diff --git a/index.html b/index.html index c55587b..d3dbe8e 100644 --- a/index.html +++ b/index.html @@ -12,6 +12,16 @@ + + + +
+ + +
+ + +

Little Sophia Control Panel

@@ -208,7 +218,7 @@ - +
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3; +var MultiplyBlending = 4; +var CustomBlending = 5; +var AddEquation = 100; +var SubtractEquation = 101; +var ReverseSubtractEquation = 102; +var MinEquation = 103; +var MaxEquation = 104; +var ZeroFactor = 200; +var OneFactor = 201; +var SrcColorFactor = 202; +var OneMinusSrcColorFactor = 203; +var SrcAlphaFactor = 204; +var OneMinusSrcAlphaFactor = 205; +var DstAlphaFactor = 206; +var OneMinusDstAlphaFactor = 207; +var DstColorFactor = 208; +var OneMinusDstColorFactor = 209; +var SrcAlphaSaturateFactor = 210; +var ConstantColorFactor = 211; +var OneMinusConstantColorFactor = 212; +var ConstantAlphaFactor = 213; +var OneMinusConstantAlphaFactor = 214; +var NeverDepth = 0; +var AlwaysDepth = 1; +var LessDepth = 2; +var LessEqualDepth = 3; +var EqualDepth = 4; +var GreaterEqualDepth = 5; +var GreaterDepth = 6; +var NotEqualDepth = 7; +var MultiplyOperation = 0; +var MixOperation = 1; +var AddOperation = 2; +var NoToneMapping = 0; +var LinearToneMapping = 1; +var ReinhardToneMapping = 2; +var CineonToneMapping = 3; +var ACESFilmicToneMapping = 4; +var CustomToneMapping = 5; +var AgXToneMapping = 6; +var NeutralToneMapping = 7; +var AttachedBindMode = "attached"; +var DetachedBindMode = "detached"; +var UVMapping = 300; +var CubeReflectionMapping = 301; +var CubeRefractionMapping = 302; +var EquirectangularReflectionMapping = 303; +var EquirectangularRefractionMapping = 304; +var CubeUVReflectionMapping = 306; +var RepeatWrapping = 1e3; +var ClampToEdgeWrapping = 1001; +var MirroredRepeatWrapping = 1002; +var NearestFilter = 1003; +var NearestMipmapNearestFilter = 1004; +var NearestMipMapNearestFilter = 1004; +var NearestMipmapLinearFilter = 1005; +var NearestMipMapLinearFilter = 1005; +var LinearFilter = 1006; +var LinearMipmapNearestFilter = 1007; +var LinearMipMapNearestFilter = 1007; +var LinearMipmapLinearFilter = 1008; +var LinearMipMapLinearFilter = 1008; +var UnsignedByteType = 1009; +var ByteType = 1010; +var ShortType = 1011; +var UnsignedShortType = 1012; +var IntType = 1013; +var UnsignedIntType = 1014; +var FloatType = 1015; +var HalfFloatType = 1016; +var UnsignedShort4444Type = 1017; +var UnsignedShort5551Type = 1018; +var UnsignedInt248Type = 1020; +var UnsignedInt5999Type = 35902; +var UnsignedInt101111Type = 35899; +var AlphaFormat = 1021; +var RGBFormat = 1022; +var RGBAFormat = 1023; +var DepthFormat = 1026; +var DepthStencilFormat = 1027; +var RedFormat = 1028; +var RedIntegerFormat = 1029; +var RGFormat = 1030; +var RGIntegerFormat = 1031; +var RGBIntegerFormat = 1032; +var RGBAIntegerFormat = 1033; +var RGB_S3TC_DXT1_Format = 33776; +var RGBA_S3TC_DXT1_Format = 33777; +var RGBA_S3TC_DXT3_Format = 33778; +var RGBA_S3TC_DXT5_Format = 33779; +var RGB_PVRTC_4BPPV1_Format = 35840; +var RGB_PVRTC_2BPPV1_Format = 35841; +var RGBA_PVRTC_4BPPV1_Format = 35842; +var RGBA_PVRTC_2BPPV1_Format = 35843; +var RGB_ETC1_Format = 36196; +var RGB_ETC2_Format = 37492; +var RGBA_ETC2_EAC_Format = 37496; +var RGBA_ASTC_4x4_Format = 37808; +var RGBA_ASTC_5x4_Format = 37809; +var RGBA_ASTC_5x5_Format = 37810; +var RGBA_ASTC_6x5_Format = 37811; +var RGBA_ASTC_6x6_Format = 37812; +var RGBA_ASTC_8x5_Format = 37813; +var RGBA_ASTC_8x6_Format = 37814; +var RGBA_ASTC_8x8_Format = 37815; +var RGBA_ASTC_10x5_Format = 37816; +var RGBA_ASTC_10x6_Format = 37817; +var RGBA_ASTC_10x8_Format = 37818; +var RGBA_ASTC_10x10_Format = 37819; +var RGBA_ASTC_12x10_Format = 37820; +var RGBA_ASTC_12x12_Format = 37821; +var RGBA_BPTC_Format = 36492; +var RGB_BPTC_SIGNED_Format = 36494; +var RGB_BPTC_UNSIGNED_Format = 36495; +var RED_RGTC1_Format = 36283; +var SIGNED_RED_RGTC1_Format = 36284; +var RED_GREEN_RGTC2_Format = 36285; +var SIGNED_RED_GREEN_RGTC2_Format = 36286; +var LoopOnce = 2200; +var LoopRepeat = 2201; +var LoopPingPong = 2202; +var InterpolateDiscrete = 2300; +var InterpolateLinear = 2301; +var InterpolateSmooth = 2302; +var ZeroCurvatureEnding = 2400; +var ZeroSlopeEnding = 2401; +var WrapAroundEnding = 2402; +var NormalAnimationBlendMode = 2500; +var AdditiveAnimationBlendMode = 2501; +var TrianglesDrawMode = 0; +var TriangleStripDrawMode = 1; +var TriangleFanDrawMode = 2; +var BasicDepthPacking = 3200; +var RGBADepthPacking = 3201; +var RGBDepthPacking = 3202; +var RGDepthPacking = 3203; +var TangentSpaceNormalMap = 0; +var ObjectSpaceNormalMap = 1; +var NoColorSpace = ""; +var SRGBColorSpace = "srgb"; +var LinearSRGBColorSpace = "srgb-linear"; +var LinearTransfer = "linear"; +var SRGBTransfer = "srgb"; +var ZeroStencilOp = 0; +var KeepStencilOp = 7680; +var ReplaceStencilOp = 7681; +var IncrementStencilOp = 7682; +var DecrementStencilOp = 7683; +var IncrementWrapStencilOp = 34055; +var DecrementWrapStencilOp = 34056; +var InvertStencilOp = 5386; +var NeverStencilFunc = 512; +var LessStencilFunc = 513; +var EqualStencilFunc = 514; +var LessEqualStencilFunc = 515; +var GreaterStencilFunc = 516; +var NotEqualStencilFunc = 517; +var GreaterEqualStencilFunc = 518; +var AlwaysStencilFunc = 519; +var NeverCompare = 512; +var LessCompare = 513; +var EqualCompare = 514; +var LessEqualCompare = 515; +var GreaterCompare = 516; +var NotEqualCompare = 517; +var GreaterEqualCompare = 518; +var AlwaysCompare = 519; +var StaticDrawUsage = 35044; +var DynamicDrawUsage = 35048; +var StreamDrawUsage = 35040; +var StaticReadUsage = 35045; +var DynamicReadUsage = 35049; +var StreamReadUsage = 35041; +var StaticCopyUsage = 35046; +var DynamicCopyUsage = 35050; +var StreamCopyUsage = 35042; +var GLSL1 = "100"; +var GLSL3 = "300 es"; +var WebGLCoordinateSystem = 2e3; +var WebGPUCoordinateSystem = 2001; +var TimestampQuery = { + COMPUTE: "compute", + RENDER: "render" +}; +var InterpolationSamplingType = { + PERSPECTIVE: "perspective", + LINEAR: "linear", + FLAT: "flat" +}; +var InterpolationSamplingMode = { + NORMAL: "normal", + CENTROID: "centroid", + SAMPLE: "sample", + FIRST: "first", + EITHER: "either" +}; +function arrayNeedsUint32(array) { + for (let i = array.length - 1; i >= 0; --i) { + if (array[i] >= 65535) return true; + } + return false; +} +var TYPED_ARRAYS = { + Int8Array, + Uint8Array, + Uint8ClampedArray, + Int16Array, + Uint16Array, + Int32Array, + Uint32Array, + Float32Array, + Float64Array +}; +function getTypedArray(type, buffer) { + return new TYPED_ARRAYS[type](buffer); +} +function createElementNS(name) { + return document.createElementNS("http://www.w3.org/1999/xhtml", name); +} +function createCanvasElement() { + const canvas = createElementNS("canvas"); + canvas.style.display = "block"; + return canvas; +} +var _cache = {}; +var _setConsoleFunction = null; +function setConsoleFunction(fn) { + _setConsoleFunction = fn; +} +function getConsoleFunction() { + return _setConsoleFunction; +} +function log(...params) { + const message = "THREE." + params.shift(); + if (_setConsoleFunction) { + _setConsoleFunction("log", message, ...params); + } else { + console.log(message, ...params); + } +} +function warn(...params) { + const message = "THREE." + params.shift(); + if (_setConsoleFunction) { + _setConsoleFunction("warn", message, ...params); + } else { + console.warn(message, ...params); + } +} +function error(...params) { + const message = "THREE." + params.shift(); + if (_setConsoleFunction) { + _setConsoleFunction("error", message, ...params); + } else { + console.error(message, ...params); + } +} +function warnOnce(...params) { + const message = params.join(" "); + if (message in _cache) return; + _cache[message] = true; + warn(...params); +} +function probeAsync(gl, sync, interval) { + return new Promise(function(resolve, reject) { + function probe() { + switch (gl.clientWaitSync(sync, gl.SYNC_FLUSH_COMMANDS_BIT, 0)) { + case gl.WAIT_FAILED: + reject(); + break; + case gl.TIMEOUT_EXPIRED: + setTimeout(probe, interval); + break; + default: + resolve(); + } + } + setTimeout(probe, interval); + }); +} +var EventDispatcher = class { + /** + * Adds the given event listener to the given event type. + * + * @param {string} type - The type of event to listen to. + * @param {Function} listener - The function that gets called when the event is fired. + */ + addEventListener(type, listener) { + if (this._listeners === void 0) this._listeners = {}; + const listeners = this._listeners; + if (listeners[type] === void 0) { + listeners[type] = []; + } + if (listeners[type].indexOf(listener) === -1) { + listeners[type].push(listener); + } + } + /** + * Returns `true` if the given event listener has been added to the given event type. + * + * @param {string} type - The type of event. + * @param {Function} listener - The listener to check. + * @return {boolean} Whether the given event listener has been added to the given event type. + */ + hasEventListener(type, listener) { + const listeners = this._listeners; + if (listeners === void 0) return false; + return listeners[type] !== void 0 && listeners[type].indexOf(listener) !== -1; + } + /** + * Removes the given event listener from the given event type. + * + * @param {string} type - The type of event. + * @param {Function} listener - The listener to remove. + */ + removeEventListener(type, listener) { + const listeners = this._listeners; + if (listeners === void 0) return; + const listenerArray = listeners[type]; + if (listenerArray !== void 0) { + const index = listenerArray.indexOf(listener); + if (index !== -1) { + listenerArray.splice(index, 1); + } + } + } + /** + * Dispatches an event object. + * + * @param {Object} event - The event that gets fired. + */ + dispatchEvent(event) { + const listeners = this._listeners; + if (listeners === void 0) return; + const listenerArray = listeners[event.type]; + if (listenerArray !== void 0) { + event.target = this; + const array = listenerArray.slice(0); + for (let i = 0, l = array.length; i < l; i++) { + array[i].call(this, event); + } + event.target = null; + } + } +}; +var _lut = ["00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0a", "0b", "0c", "0d", "0e", "0f", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1a", "1b", "1c", "1d", "1e", "1f", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2a", "2b", "2c", "2d", "2e", "2f", "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3a", "3b", "3c", "3d", "3e", "3f", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4a", "4b", "4c", "4d", "4e", "4f", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5a", "5b", "5c", "5d", "5e", "5f", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6a", "6b", "6c", "6d", "6e", "6f", "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7a", "7b", "7c", "7d", "7e", "7f", "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8a", "8b", "8c", "8d", "8e", "8f", "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9a", "9b", "9c", "9d", "9e", "9f", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "aa", "ab", "ac", "ad", "ae", "af", "b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", "b8", "b9", "ba", "bb", "bc", "bd", "be", "bf", "c0", "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8", "c9", "ca", "cb", "cc", "cd", "ce", "cf", "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8", "d9", "da", "db", "dc", "dd", "de", "df", "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8", "e9", "ea", "eb", "ec", "ed", "ee", "ef", "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "fa", "fb", "fc", "fd", "fe", "ff"]; +var _seed = 1234567; +var DEG2RAD = Math.PI / 180; +var RAD2DEG = 180 / Math.PI; +function generateUUID() { + const d0 = Math.random() * 4294967295 | 0; + const d1 = Math.random() * 4294967295 | 0; + const d2 = Math.random() * 4294967295 | 0; + const d3 = Math.random() * 4294967295 | 0; + const uuid = _lut[d0 & 255] + _lut[d0 >> 8 & 255] + _lut[d0 >> 16 & 255] + _lut[d0 >> 24 & 255] + "-" + _lut[d1 & 255] + _lut[d1 >> 8 & 255] + "-" + _lut[d1 >> 16 & 15 | 64] + _lut[d1 >> 24 & 255] + "-" + _lut[d2 & 63 | 128] + _lut[d2 >> 8 & 255] + "-" + _lut[d2 >> 16 & 255] + _lut[d2 >> 24 & 255] + _lut[d3 & 255] + _lut[d3 >> 8 & 255] + _lut[d3 >> 16 & 255] + _lut[d3 >> 24 & 255]; + return uuid.toLowerCase(); +} +function clamp(value, min, max) { + return Math.max(min, Math.min(max, value)); +} +function euclideanModulo(n, m) { + return (n % m + m) % m; +} +function mapLinear(x, a1, a2, b1, b2) { + return b1 + (x - a1) * (b2 - b1) / (a2 - a1); +} +function inverseLerp(x, y, value) { + if (x !== y) { + return (value - x) / (y - x); + } else { + return 0; + } +} +function lerp(x, y, t) { + return (1 - t) * x + t * y; +} +function damp(x, y, lambda, dt) { + return lerp(x, y, 1 - Math.exp(-lambda * dt)); +} +function pingpong(x, length = 1) { + return length - Math.abs(euclideanModulo(x, length * 2) - length); +} +function smoothstep(x, min, max) { + if (x <= min) return 0; + if (x >= max) return 1; + x = (x - min) / (max - min); + return x * x * (3 - 2 * x); +} +function smootherstep(x, min, max) { + if (x <= min) return 0; + if (x >= max) return 1; + x = (x - min) / (max - min); + return x * x * x * (x * (x * 6 - 15) + 10); +} +function randInt(low, high) { + return low + Math.floor(Math.random() * (high - low + 1)); +} +function randFloat(low, high) { + return low + Math.random() * (high - low); +} +function randFloatSpread(range) { + return range * (0.5 - Math.random()); +} +function seededRandom(s) { + if (s !== void 0) _seed = s; + let t = _seed += 1831565813; + t = Math.imul(t ^ t >>> 15, t | 1); + t ^= t + Math.imul(t ^ t >>> 7, t | 61); + return ((t ^ t >>> 14) >>> 0) / 4294967296; +} +function degToRad(degrees) { + return degrees * DEG2RAD; +} +function radToDeg(radians) { + return radians * RAD2DEG; +} +function isPowerOfTwo(value) { + return (value & value - 1) === 0 && value !== 0; +} +function ceilPowerOfTwo(value) { + return Math.pow(2, Math.ceil(Math.log(value) / Math.LN2)); +} +function floorPowerOfTwo(value) { + return Math.pow(2, Math.floor(Math.log(value) / Math.LN2)); +} +function setQuaternionFromProperEuler(q, a, b, c, order) { + const cos = Math.cos; + const sin = Math.sin; + const c2 = cos(b / 2); + const s2 = sin(b / 2); + const c13 = cos((a + c) / 2); + const s13 = sin((a + c) / 2); + const c1_3 = cos((a - c) / 2); + const s1_3 = sin((a - c) / 2); + const c3_1 = cos((c - a) / 2); + const s3_1 = sin((c - a) / 2); + switch (order) { + case "XYX": + q.set(c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13); + break; + case "YZY": + q.set(s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13); + break; + case "ZXZ": + q.set(s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13); + break; + case "XZX": + q.set(c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13); + break; + case "YXY": + q.set(s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13); + break; + case "ZYZ": + q.set(s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13); + break; + default: + warn("MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: " + order); + } +} +function denormalize(value, array) { + switch (array.constructor) { + case Float32Array: + return value; + case Uint32Array: + return value / 4294967295; + case Uint16Array: + return value / 65535; + case Uint8Array: + return value / 255; + case Int32Array: + return Math.max(value / 2147483647, -1); + case Int16Array: + return Math.max(value / 32767, -1); + case Int8Array: + return Math.max(value / 127, -1); + default: + throw new Error("Invalid component type."); + } +} +function normalize(value, array) { + switch (array.constructor) { + case Float32Array: + return value; + case Uint32Array: + return Math.round(value * 4294967295); + case Uint16Array: + return Math.round(value * 65535); + case Uint8Array: + return Math.round(value * 255); + case Int32Array: + return Math.round(value * 2147483647); + case Int16Array: + return Math.round(value * 32767); + case Int8Array: + return Math.round(value * 127); + default: + throw new Error("Invalid component type."); + } +} +var MathUtils = { + DEG2RAD, + RAD2DEG, + /** + * Generate a [UUID](https://en.wikipedia.org/wiki/Universally_unique_identifier) + * (universally unique identifier). + * + * @static + * @method + * @return {string} The UUID. + */ + generateUUID, + /** + * Clamps the given value between min and max. + * + * @static + * @method + * @param {number} value - The value to clamp. + * @param {number} min - The min value. + * @param {number} max - The max value. + * @return {number} The clamped value. + */ + clamp, + /** + * Computes the Euclidean modulo of the given parameters that + * is `( ( n % m ) + m ) % m`. + * + * @static + * @method + * @param {number} n - The first parameter. + * @param {number} m - The second parameter. + * @return {number} The Euclidean modulo. + */ + euclideanModulo, + /** + * Performs a linear mapping from range `` to range `` + * for the given value. + * + * @static + * @method + * @param {number} x - The value to be mapped. + * @param {number} a1 - Minimum value for range A. + * @param {number} a2 - Maximum value for range A. + * @param {number} b1 - Minimum value for range B. + * @param {number} b2 - Maximum value for range B. + * @return {number} The mapped value. + */ + mapLinear, + /** + * Returns the percentage in the closed interval `[0, 1]` of the given value + * between the start and end point. + * + * @static + * @method + * @param {number} x - The start point + * @param {number} y - The end point. + * @param {number} value - A value between start and end. + * @return {number} The interpolation factor. + */ + inverseLerp, + /** + * Returns a value linearly interpolated from two known points based on the given interval - + * `t = 0` will return `x` and `t = 1` will return `y`. + * + * @static + * @method + * @param {number} x - The start point + * @param {number} y - The end point. + * @param {number} t - The interpolation factor in the closed interval `[0, 1]`. + * @return {number} The interpolated value. + */ + lerp, + /** + * Smoothly interpolate a number from `x` to `y` in a spring-like manner using a delta + * time to maintain frame rate independent movement. For details, see + * [Frame rate independent damping using lerp](http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/). + * + * @static + * @method + * @param {number} x - The current point. + * @param {number} y - The target point. + * @param {number} lambda - A higher lambda value will make the movement more sudden, + * and a lower value will make the movement more gradual. + * @param {number} dt - Delta time in seconds. + * @return {number} The interpolated value. + */ + damp, + /** + * Returns a value that alternates between `0` and the given `length` parameter. + * + * @static + * @method + * @param {number} x - The value to pingpong. + * @param {number} [length=1] - The positive value the function will pingpong to. + * @return {number} The alternated value. + */ + pingpong, + /** + * Returns a value in the range `[0,1]` that represents the percentage that `x` has + * moved between `min` and `max`, but smoothed or slowed down the closer `x` is to + * the `min` and `max`. + * + * See [Smoothstep](http://en.wikipedia.org/wiki/Smoothstep) for more details. + * + * @static + * @method + * @param {number} x - The value to evaluate based on its position between min and max. + * @param {number} min - The min value. Any x value below min will be `0`. + * @param {number} max - The max value. Any x value above max will be `1`. + * @return {number} The alternated value. + */ + smoothstep, + /** + * A [variation on smoothstep](https://en.wikipedia.org/wiki/Smoothstep#Variations) + * that has zero 1st and 2nd order derivatives at x=0 and x=1. + * + * @static + * @method + * @param {number} x - The value to evaluate based on its position between min and max. + * @param {number} min - The min value. Any x value below min will be `0`. + * @param {number} max - The max value. Any x value above max will be `1`. + * @return {number} The alternated value. + */ + smootherstep, + /** + * Returns a random integer from `` interval. + * + * @static + * @method + * @param {number} low - The lower value boundary. + * @param {number} high - The upper value boundary + * @return {number} A random integer. + */ + randInt, + /** + * Returns a random float from `` interval. + * + * @static + * @method + * @param {number} low - The lower value boundary. + * @param {number} high - The upper value boundary + * @return {number} A random float. + */ + randFloat, + /** + * Returns a random integer from `<-range/2, range/2>` interval. + * + * @static + * @method + * @param {number} range - Defines the value range. + * @return {number} A random float. + */ + randFloatSpread, + /** + * Returns a deterministic pseudo-random float in the interval `[0, 1]`. + * + * @static + * @method + * @param {number} [s] - The integer seed. + * @return {number} A random float. + */ + seededRandom, + /** + * Converts degrees to radians. + * + * @static + * @method + * @param {number} degrees - A value in degrees. + * @return {number} The converted value in radians. + */ + degToRad, + /** + * Converts radians to degrees. + * + * @static + * @method + * @param {number} radians - A value in radians. + * @return {number} The converted value in degrees. + */ + radToDeg, + /** + * Returns `true` if the given number is a power of two. + * + * @static + * @method + * @param {number} value - The value to check. + * @return {boolean} Whether the given number is a power of two or not. + */ + isPowerOfTwo, + /** + * Returns the smallest power of two that is greater than or equal to the given number. + * + * @static + * @method + * @param {number} value - The value to find a POT for. + * @return {number} The smallest power of two that is greater than or equal to the given number. + */ + ceilPowerOfTwo, + /** + * Returns the largest power of two that is less than or equal to the given number. + * + * @static + * @method + * @param {number} value - The value to find a POT for. + * @return {number} The largest power of two that is less than or equal to the given number. + */ + floorPowerOfTwo, + /** + * Sets the given quaternion from the [Intrinsic Proper Euler Angles](https://en.wikipedia.org/wiki/Euler_angles) + * defined by the given angles and order. + * + * Rotations are applied to the axes in the order specified by order: + * rotation by angle `a` is applied first, then by angle `b`, then by angle `c`. + * + * @static + * @method + * @param {Quaternion} q - The quaternion to set. + * @param {number} a - The rotation applied to the first axis, in radians. + * @param {number} b - The rotation applied to the second axis, in radians. + * @param {number} c - The rotation applied to the third axis, in radians. + * @param {('XYX'|'XZX'|'YXY'|'YZY'|'ZXZ'|'ZYZ')} order - A string specifying the axes order. + */ + setQuaternionFromProperEuler, + /** + * Normalizes the given value according to the given typed array. + * + * @static + * @method + * @param {number} value - The float value in the range `[0,1]` to normalize. + * @param {TypedArray} array - The typed array that defines the data type of the value. + * @return {number} The normalize value. + */ + normalize, + /** + * Denormalizes the given value according to the given typed array. + * + * @static + * @method + * @param {number} value - The value to denormalize. + * @param {TypedArray} array - The typed array that defines the data type of the value. + * @return {number} The denormalize (float) value in the range `[0,1]`. + */ + denormalize +}; +var Vector2 = class _Vector2 { + /** + * Constructs a new 2D vector. + * + * @param {number} [x=0] - The x value of this vector. + * @param {number} [y=0] - The y value of this vector. + */ + constructor(x = 0, y = 0) { + _Vector2.prototype.isVector2 = true; + this.x = x; + this.y = y; + } + /** + * Alias for {@link Vector2#x}. + * + * @type {number} + */ + get width() { + return this.x; + } + set width(value) { + this.x = value; + } + /** + * Alias for {@link Vector2#y}. + * + * @type {number} + */ + get height() { + return this.y; + } + set height(value) { + this.y = value; + } + /** + * Sets the vector components. + * + * @param {number} x - The value of the x component. + * @param {number} y - The value of the y component. + * @return {Vector2} A reference to this vector. + */ + set(x, y) { + this.x = x; + this.y = y; + return this; + } + /** + * Sets the vector components to the same value. + * + * @param {number} scalar - The value to set for all vector components. + * @return {Vector2} A reference to this vector. + */ + setScalar(scalar) { + this.x = scalar; + this.y = scalar; + return this; + } + /** + * Sets the vector's x component to the given value + * + * @param {number} x - The value to set. + * @return {Vector2} A reference to this vector. + */ + setX(x) { + this.x = x; + return this; + } + /** + * Sets the vector's y component to the given value + * + * @param {number} y - The value to set. + * @return {Vector2} A reference to this vector. + */ + setY(y) { + this.y = y; + return this; + } + /** + * Allows to set a vector component with an index. + * + * @param {number} index - The component index. `0` equals to x, `1` equals to y. + * @param {number} value - The value to set. + * @return {Vector2} A reference to this vector. + */ + setComponent(index, value) { + switch (index) { + case 0: + this.x = value; + break; + case 1: + this.y = value; + break; + default: + throw new Error("index is out of range: " + index); + } + return this; + } + /** + * Returns the value of the vector component which matches the given index. + * + * @param {number} index - The component index. `0` equals to x, `1` equals to y. + * @return {number} A vector component value. + */ + getComponent(index) { + switch (index) { + case 0: + return this.x; + case 1: + return this.y; + default: + throw new Error("index is out of range: " + index); + } + } + /** + * Returns a new vector with copied values from this instance. + * + * @return {Vector2} A clone of this instance. + */ + clone() { + return new this.constructor(this.x, this.y); + } + /** + * Copies the values of the given vector to this instance. + * + * @param {Vector2} v - The vector to copy. + * @return {Vector2} A reference to this vector. + */ + copy(v) { + this.x = v.x; + this.y = v.y; + return this; + } + /** + * Adds the given vector to this instance. + * + * @param {Vector2} v - The vector to add. + * @return {Vector2} A reference to this vector. + */ + add(v) { + this.x += v.x; + this.y += v.y; + return this; + } + /** + * Adds the given scalar value to all components of this instance. + * + * @param {number} s - The scalar to add. + * @return {Vector2} A reference to this vector. + */ + addScalar(s) { + this.x += s; + this.y += s; + return this; + } + /** + * Adds the given vectors and stores the result in this instance. + * + * @param {Vector2} a - The first vector. + * @param {Vector2} b - The second vector. + * @return {Vector2} A reference to this vector. + */ + addVectors(a, b) { + this.x = a.x + b.x; + this.y = a.y + b.y; + return this; + } + /** + * Adds the given vector scaled by the given factor to this instance. + * + * @param {Vector2} v - The vector. + * @param {number} s - The factor that scales `v`. + * @return {Vector2} A reference to this vector. + */ + addScaledVector(v, s) { + this.x += v.x * s; + this.y += v.y * s; + return this; + } + /** + * Subtracts the given vector from this instance. + * + * @param {Vector2} v - The vector to subtract. + * @return {Vector2} A reference to this vector. + */ + sub(v) { + this.x -= v.x; + this.y -= v.y; + return this; + } + /** + * Subtracts the given scalar value from all components of this instance. + * + * @param {number} s - The scalar to subtract. + * @return {Vector2} A reference to this vector. + */ + subScalar(s) { + this.x -= s; + this.y -= s; + return this; + } + /** + * Subtracts the given vectors and stores the result in this instance. + * + * @param {Vector2} a - The first vector. + * @param {Vector2} b - The second vector. + * @return {Vector2} A reference to this vector. + */ + subVectors(a, b) { + this.x = a.x - b.x; + this.y = a.y - b.y; + return this; + } + /** + * Multiplies the given vector with this instance. + * + * @param {Vector2} v - The vector to multiply. + * @return {Vector2} A reference to this vector. + */ + multiply(v) { + this.x *= v.x; + this.y *= v.y; + return this; + } + /** + * Multiplies the given scalar value with all components of this instance. + * + * @param {number} scalar - The scalar to multiply. + * @return {Vector2} A reference to this vector. + */ + multiplyScalar(scalar) { + this.x *= scalar; + this.y *= scalar; + return this; + } + /** + * Divides this instance by the given vector. + * + * @param {Vector2} v - The vector to divide. + * @return {Vector2} A reference to this vector. + */ + divide(v) { + this.x /= v.x; + this.y /= v.y; + return this; + } + /** + * Divides this vector by the given scalar. + * + * @param {number} scalar - The scalar to divide. + * @return {Vector2} A reference to this vector. + */ + divideScalar(scalar) { + return this.multiplyScalar(1 / scalar); + } + /** + * Multiplies this vector (with an implicit 1 as the 3rd component) by + * the given 3x3 matrix. + * + * @param {Matrix3} m - The matrix to apply. + * @return {Vector2} A reference to this vector. + */ + applyMatrix3(m) { + const x = this.x, y = this.y; + const e = m.elements; + this.x = e[0] * x + e[3] * y + e[6]; + this.y = e[1] * x + e[4] * y + e[7]; + return this; + } + /** + * If this vector's x or y value is greater than the given vector's x or y + * value, replace that value with the corresponding min value. + * + * @param {Vector2} v - The vector. + * @return {Vector2} A reference to this vector. + */ + min(v) { + this.x = Math.min(this.x, v.x); + this.y = Math.min(this.y, v.y); + return this; + } + /** + * If this vector's x or y value is less than the given vector's x or y + * value, replace that value with the corresponding max value. + * + * @param {Vector2} v - The vector. + * @return {Vector2} A reference to this vector. + */ + max(v) { + this.x = Math.max(this.x, v.x); + this.y = Math.max(this.y, v.y); + return this; + } + /** + * If this vector's x or y value is greater than the max vector's x or y + * value, it is replaced by the corresponding value. + * If this vector's x or y value is less than the min vector's x or y value, + * it is replaced by the corresponding value. + * + * @param {Vector2} min - The minimum x and y values. + * @param {Vector2} max - The maximum x and y values in the desired range. + * @return {Vector2} A reference to this vector. + */ + clamp(min, max) { + this.x = clamp(this.x, min.x, max.x); + this.y = clamp(this.y, min.y, max.y); + return this; + } + /** + * If this vector's x or y values are greater than the max value, they are + * replaced by the max value. + * If this vector's x or y values are less than the min value, they are + * replaced by the min value. + * + * @param {number} minVal - The minimum value the components will be clamped to. + * @param {number} maxVal - The maximum value the components will be clamped to. + * @return {Vector2} A reference to this vector. + */ + clampScalar(minVal, maxVal) { + this.x = clamp(this.x, minVal, maxVal); + this.y = clamp(this.y, minVal, maxVal); + return this; + } + /** + * If this vector's length is greater than the max value, it is replaced by + * the max value. + * If this vector's length is less than the min value, it is replaced by the + * min value. + * + * @param {number} min - The minimum value the vector length will be clamped to. + * @param {number} max - The maximum value the vector length will be clamped to. + * @return {Vector2} A reference to this vector. + */ + clampLength(min, max) { + const length = this.length(); + return this.divideScalar(length || 1).multiplyScalar(clamp(length, min, max)); + } + /** + * The components of this vector are rounded down to the nearest integer value. + * + * @return {Vector2} A reference to this vector. + */ + floor() { + this.x = Math.floor(this.x); + this.y = Math.floor(this.y); + return this; + } + /** + * The components of this vector are rounded up to the nearest integer value. + * + * @return {Vector2} A reference to this vector. + */ + ceil() { + this.x = Math.ceil(this.x); + this.y = Math.ceil(this.y); + return this; + } + /** + * The components of this vector are rounded to the nearest integer value + * + * @return {Vector2} A reference to this vector. + */ + round() { + this.x = Math.round(this.x); + this.y = Math.round(this.y); + return this; + } + /** + * The components of this vector are rounded towards zero (up if negative, + * down if positive) to an integer value. + * + * @return {Vector2} A reference to this vector. + */ + roundToZero() { + this.x = Math.trunc(this.x); + this.y = Math.trunc(this.y); + return this; + } + /** + * Inverts this vector - i.e. sets x = -x and y = -y. + * + * @return {Vector2} A reference to this vector. + */ + negate() { + this.x = -this.x; + this.y = -this.y; + return this; + } + /** + * Calculates the dot product of the given vector with this instance. + * + * @param {Vector2} v - The vector to compute the dot product with. + * @return {number} The result of the dot product. + */ + dot(v) { + return this.x * v.x + this.y * v.y; + } + /** + * Calculates the cross product of the given vector with this instance. + * + * @param {Vector2} v - The vector to compute the cross product with. + * @return {number} The result of the cross product. + */ + cross(v) { + return this.x * v.y - this.y * v.x; + } + /** + * Computes the square of the Euclidean length (straight-line length) from + * (0, 0) to (x, y). If you are comparing the lengths of vectors, you should + * compare the length squared instead as it is slightly more efficient to calculate. + * + * @return {number} The square length of this vector. + */ + lengthSq() { + return this.x * this.x + this.y * this.y; + } + /** + * Computes the Euclidean length (straight-line length) from (0, 0) to (x, y). + * + * @return {number} The length of this vector. + */ + length() { + return Math.sqrt(this.x * this.x + this.y * this.y); + } + /** + * Computes the Manhattan length of this vector. + * + * @return {number} The length of this vector. + */ + manhattanLength() { + return Math.abs(this.x) + Math.abs(this.y); + } + /** + * Converts this vector to a unit vector - that is, sets it equal to a vector + * with the same direction as this one, but with a vector length of `1`. + * + * @return {Vector2} A reference to this vector. + */ + normalize() { + return this.divideScalar(this.length() || 1); + } + /** + * Computes the angle in radians of this vector with respect to the positive x-axis. + * + * @return {number} The angle in radians. + */ + angle() { + const angle = Math.atan2(-this.y, -this.x) + Math.PI; + return angle; + } + /** + * Returns the angle between the given vector and this instance in radians. + * + * @param {Vector2} v - The vector to compute the angle with. + * @return {number} The angle in radians. + */ + angleTo(v) { + const denominator = Math.sqrt(this.lengthSq() * v.lengthSq()); + if (denominator === 0) return Math.PI / 2; + const theta = this.dot(v) / denominator; + return Math.acos(clamp(theta, -1, 1)); + } + /** + * Computes the distance from the given vector to this instance. + * + * @param {Vector2} v - The vector to compute the distance to. + * @return {number} The distance. + */ + distanceTo(v) { + return Math.sqrt(this.distanceToSquared(v)); + } + /** + * Computes the squared distance from the given vector to this instance. + * If you are just comparing the distance with another distance, you should compare + * the distance squared instead as it is slightly more efficient to calculate. + * + * @param {Vector2} v - The vector to compute the squared distance to. + * @return {number} The squared distance. + */ + distanceToSquared(v) { + const dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; + } + /** + * Computes the Manhattan distance from the given vector to this instance. + * + * @param {Vector2} v - The vector to compute the Manhattan distance to. + * @return {number} The Manhattan distance. + */ + manhattanDistanceTo(v) { + return Math.abs(this.x - v.x) + Math.abs(this.y - v.y); + } + /** + * Sets this vector to a vector with the same direction as this one, but + * with the specified length. + * + * @param {number} length - The new length of this vector. + * @return {Vector2} A reference to this vector. + */ + setLength(length) { + return this.normalize().multiplyScalar(length); + } + /** + * Linearly interpolates between the given vector and this instance, where + * alpha is the percent distance along the line - alpha = 0 will be this + * vector, and alpha = 1 will be the given one. + * + * @param {Vector2} v - The vector to interpolate towards. + * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`. + * @return {Vector2} A reference to this vector. + */ + lerp(v, alpha) { + this.x += (v.x - this.x) * alpha; + this.y += (v.y - this.y) * alpha; + return this; + } + /** + * Linearly interpolates between the given vectors, where alpha is the percent + * distance along the line - alpha = 0 will be first vector, and alpha = 1 will + * be the second one. The result is stored in this instance. + * + * @param {Vector2} v1 - The first vector. + * @param {Vector2} v2 - The second vector. + * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`. + * @return {Vector2} A reference to this vector. + */ + lerpVectors(v1, v2, alpha) { + this.x = v1.x + (v2.x - v1.x) * alpha; + this.y = v1.y + (v2.y - v1.y) * alpha; + return this; + } + /** + * Returns `true` if this vector is equal with the given one. + * + * @param {Vector2} v - The vector to test for equality. + * @return {boolean} Whether this vector is equal with the given one. + */ + equals(v) { + return v.x === this.x && v.y === this.y; + } + /** + * Sets this vector's x value to be `array[ offset ]` and y + * value to be `array[ offset + 1 ]`. + * + * @param {Array} array - An array holding the vector component values. + * @param {number} [offset=0] - The offset into the array. + * @return {Vector2} A reference to this vector. + */ + fromArray(array, offset = 0) { + this.x = array[offset]; + this.y = array[offset + 1]; + return this; + } + /** + * Writes the components of this vector to the given array. If no array is provided, + * the method returns a new instance. + * + * @param {Array} [array=[]] - The target array holding the vector components. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Array} The vector components. + */ + toArray(array = [], offset = 0) { + array[offset] = this.x; + array[offset + 1] = this.y; + return array; + } + /** + * Sets the components of this vector from the given buffer attribute. + * + * @param {BufferAttribute} attribute - The buffer attribute holding vector data. + * @param {number} index - The index into the attribute. + * @return {Vector2} A reference to this vector. + */ + fromBufferAttribute(attribute, index) { + this.x = attribute.getX(index); + this.y = attribute.getY(index); + return this; + } + /** + * Rotates this vector around the given center by the given angle. + * + * @param {Vector2} center - The point around which to rotate. + * @param {number} angle - The angle to rotate, in radians. + * @return {Vector2} A reference to this vector. + */ + rotateAround(center, angle) { + const c = Math.cos(angle), s = Math.sin(angle); + const x = this.x - center.x; + const y = this.y - center.y; + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; + return this; + } + /** + * Sets each component of this vector to a pseudo-random value between `0` and + * `1`, excluding `1`. + * + * @return {Vector2} A reference to this vector. + */ + random() { + this.x = Math.random(); + this.y = Math.random(); + return this; + } + *[Symbol.iterator]() { + yield this.x; + yield this.y; + } +}; +var Quaternion = class { + /** + * Constructs a new quaternion. + * + * @param {number} [x=0] - The x value of this quaternion. + * @param {number} [y=0] - The y value of this quaternion. + * @param {number} [z=0] - The z value of this quaternion. + * @param {number} [w=1] - The w value of this quaternion. + */ + constructor(x = 0, y = 0, z = 0, w = 1) { + this.isQuaternion = true; + this._x = x; + this._y = y; + this._z = z; + this._w = w; + } + /** + * Interpolates between two quaternions via SLERP. This implementation assumes the + * quaternion data are managed in flat arrays. + * + * @param {Array} dst - The destination array. + * @param {number} dstOffset - An offset into the destination array. + * @param {Array} src0 - The source array of the first quaternion. + * @param {number} srcOffset0 - An offset into the first source array. + * @param {Array} src1 - The source array of the second quaternion. + * @param {number} srcOffset1 - An offset into the second source array. + * @param {number} t - The interpolation factor in the range `[0,1]`. + * @see {@link Quaternion#slerp} + */ + static slerpFlat(dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t) { + let x0 = src0[srcOffset0 + 0], y0 = src0[srcOffset0 + 1], z0 = src0[srcOffset0 + 2], w0 = src0[srcOffset0 + 3]; + let x1 = src1[srcOffset1 + 0], y1 = src1[srcOffset1 + 1], z1 = src1[srcOffset1 + 2], w1 = src1[srcOffset1 + 3]; + if (t <= 0) { + dst[dstOffset + 0] = x0; + dst[dstOffset + 1] = y0; + dst[dstOffset + 2] = z0; + dst[dstOffset + 3] = w0; + return; + } + if (t >= 1) { + dst[dstOffset + 0] = x1; + dst[dstOffset + 1] = y1; + dst[dstOffset + 2] = z1; + dst[dstOffset + 3] = w1; + return; + } + if (w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1) { + let dot = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1; + if (dot < 0) { + x1 = -x1; + y1 = -y1; + z1 = -z1; + w1 = -w1; + dot = -dot; + } + let s = 1 - t; + if (dot < 0.9995) { + const theta = Math.acos(dot); + const sin = Math.sin(theta); + s = Math.sin(s * theta) / sin; + t = Math.sin(t * theta) / sin; + x0 = x0 * s + x1 * t; + y0 = y0 * s + y1 * t; + z0 = z0 * s + z1 * t; + w0 = w0 * s + w1 * t; + } else { + x0 = x0 * s + x1 * t; + y0 = y0 * s + y1 * t; + z0 = z0 * s + z1 * t; + w0 = w0 * s + w1 * t; + const f = 1 / Math.sqrt(x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0); + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; + } + } + dst[dstOffset] = x0; + dst[dstOffset + 1] = y0; + dst[dstOffset + 2] = z0; + dst[dstOffset + 3] = w0; + } + /** + * Multiplies two quaternions. This implementation assumes the quaternion data are managed + * in flat arrays. + * + * @param {Array} dst - The destination array. + * @param {number} dstOffset - An offset into the destination array. + * @param {Array} src0 - The source array of the first quaternion. + * @param {number} srcOffset0 - An offset into the first source array. + * @param {Array} src1 - The source array of the second quaternion. + * @param {number} srcOffset1 - An offset into the second source array. + * @return {Array} The destination array. + * @see {@link Quaternion#multiplyQuaternions}. + */ + static multiplyQuaternionsFlat(dst, dstOffset, src0, srcOffset0, src1, srcOffset1) { + const x0 = src0[srcOffset0]; + const y0 = src0[srcOffset0 + 1]; + const z0 = src0[srcOffset0 + 2]; + const w0 = src0[srcOffset0 + 3]; + const x1 = src1[srcOffset1]; + const y1 = src1[srcOffset1 + 1]; + const z1 = src1[srcOffset1 + 2]; + const w1 = src1[srcOffset1 + 3]; + dst[dstOffset] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1; + dst[dstOffset + 1] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1; + dst[dstOffset + 2] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1; + dst[dstOffset + 3] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1; + return dst; + } + /** + * The x value of this quaternion. + * + * @type {number} + * @default 0 + */ + get x() { + return this._x; + } + set x(value) { + this._x = value; + this._onChangeCallback(); + } + /** + * The y value of this quaternion. + * + * @type {number} + * @default 0 + */ + get y() { + return this._y; + } + set y(value) { + this._y = value; + this._onChangeCallback(); + } + /** + * The z value of this quaternion. + * + * @type {number} + * @default 0 + */ + get z() { + return this._z; + } + set z(value) { + this._z = value; + this._onChangeCallback(); + } + /** + * The w value of this quaternion. + * + * @type {number} + * @default 1 + */ + get w() { + return this._w; + } + set w(value) { + this._w = value; + this._onChangeCallback(); + } + /** + * Sets the quaternion components. + * + * @param {number} x - The x value of this quaternion. + * @param {number} y - The y value of this quaternion. + * @param {number} z - The z value of this quaternion. + * @param {number} w - The w value of this quaternion. + * @return {Quaternion} A reference to this quaternion. + */ + set(x, y, z, w) { + this._x = x; + this._y = y; + this._z = z; + this._w = w; + this._onChangeCallback(); + return this; + } + /** + * Returns a new quaternion with copied values from this instance. + * + * @return {Quaternion} A clone of this instance. + */ + clone() { + return new this.constructor(this._x, this._y, this._z, this._w); + } + /** + * Copies the values of the given quaternion to this instance. + * + * @param {Quaternion} quaternion - The quaternion to copy. + * @return {Quaternion} A reference to this quaternion. + */ + copy(quaternion) { + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; + this._onChangeCallback(); + return this; + } + /** + * Sets this quaternion from the rotation specified by the given + * Euler angles. + * + * @param {Euler} euler - The Euler angles. + * @param {boolean} [update=true] - Whether the internal `onChange` callback should be executed or not. + * @return {Quaternion} A reference to this quaternion. + */ + setFromEuler(euler, update = true) { + const x = euler._x, y = euler._y, z = euler._z, order = euler._order; + const cos = Math.cos; + const sin = Math.sin; + const c1 = cos(x / 2); + const c2 = cos(y / 2); + const c3 = cos(z / 2); + const s1 = sin(x / 2); + const s2 = sin(y / 2); + const s3 = sin(z / 2); + switch (order) { + case "XYZ": + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case "YXZ": + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + case "ZXY": + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case "ZYX": + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + case "YZX": + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case "XZY": + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + default: + warn("Quaternion: .setFromEuler() encountered an unknown order: " + order); + } + if (update === true) this._onChangeCallback(); + return this; + } + /** + * Sets this quaternion from the given axis and angle. + * + * @param {Vector3} axis - The normalized axis. + * @param {number} angle - The angle in radians. + * @return {Quaternion} A reference to this quaternion. + */ + setFromAxisAngle(axis, angle) { + const halfAngle = angle / 2, s = Math.sin(halfAngle); + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos(halfAngle); + this._onChangeCallback(); + return this; + } + /** + * Sets this quaternion from the given rotation matrix. + * + * @param {Matrix4} m - A 4x4 matrix of which the upper 3x3 of matrix is a pure rotation matrix (i.e. unscaled). + * @return {Quaternion} A reference to this quaternion. + */ + setFromRotationMatrix(m) { + const te = m.elements, m11 = te[0], m12 = te[4], m13 = te[8], m21 = te[1], m22 = te[5], m23 = te[9], m31 = te[2], m32 = te[6], m33 = te[10], trace = m11 + m22 + m33; + if (trace > 0) { + const s = 0.5 / Math.sqrt(trace + 1); + this._w = 0.25 / s; + this._x = (m32 - m23) * s; + this._y = (m13 - m31) * s; + this._z = (m21 - m12) * s; + } else if (m11 > m22 && m11 > m33) { + const s = 2 * Math.sqrt(1 + m11 - m22 - m33); + this._w = (m32 - m23) / s; + this._x = 0.25 * s; + this._y = (m12 + m21) / s; + this._z = (m13 + m31) / s; + } else if (m22 > m33) { + const s = 2 * Math.sqrt(1 + m22 - m11 - m33); + this._w = (m13 - m31) / s; + this._x = (m12 + m21) / s; + this._y = 0.25 * s; + this._z = (m23 + m32) / s; + } else { + const s = 2 * Math.sqrt(1 + m33 - m11 - m22); + this._w = (m21 - m12) / s; + this._x = (m13 + m31) / s; + this._y = (m23 + m32) / s; + this._z = 0.25 * s; + } + this._onChangeCallback(); + return this; + } + /** + * Sets this quaternion to the rotation required to rotate the direction vector + * `vFrom` to the direction vector `vTo`. + * + * @param {Vector3} vFrom - The first (normalized) direction vector. + * @param {Vector3} vTo - The second (normalized) direction vector. + * @return {Quaternion} A reference to this quaternion. + */ + setFromUnitVectors(vFrom, vTo) { + let r = vFrom.dot(vTo) + 1; + if (r < 1e-8) { + r = 0; + if (Math.abs(vFrom.x) > Math.abs(vFrom.z)) { + this._x = -vFrom.y; + this._y = vFrom.x; + this._z = 0; + this._w = r; + } else { + this._x = 0; + this._y = -vFrom.z; + this._z = vFrom.y; + this._w = r; + } + } else { + this._x = vFrom.y * vTo.z - vFrom.z * vTo.y; + this._y = vFrom.z * vTo.x - vFrom.x * vTo.z; + this._z = vFrom.x * vTo.y - vFrom.y * vTo.x; + this._w = r; + } + return this.normalize(); + } + /** + * Returns the angle between this quaternion and the given one in radians. + * + * @param {Quaternion} q - The quaternion to compute the angle with. + * @return {number} The angle in radians. + */ + angleTo(q) { + return 2 * Math.acos(Math.abs(clamp(this.dot(q), -1, 1))); + } + /** + * Rotates this quaternion by a given angular step to the given quaternion. + * The method ensures that the final quaternion will not overshoot `q`. + * + * @param {Quaternion} q - The target quaternion. + * @param {number} step - The angular step in radians. + * @return {Quaternion} A reference to this quaternion. + */ + rotateTowards(q, step) { + const angle = this.angleTo(q); + if (angle === 0) return this; + const t = Math.min(1, step / angle); + this.slerp(q, t); + return this; + } + /** + * Sets this quaternion to the identity quaternion; that is, to the + * quaternion that represents "no rotation". + * + * @return {Quaternion} A reference to this quaternion. + */ + identity() { + return this.set(0, 0, 0, 1); + } + /** + * Inverts this quaternion via {@link Quaternion#conjugate}. The + * quaternion is assumed to have unit length. + * + * @return {Quaternion} A reference to this quaternion. + */ + invert() { + return this.conjugate(); + } + /** + * Returns the rotational conjugate of this quaternion. The conjugate of a + * quaternion represents the same rotation in the opposite direction about + * the rotational axis. + * + * @return {Quaternion} A reference to this quaternion. + */ + conjugate() { + this._x *= -1; + this._y *= -1; + this._z *= -1; + this._onChangeCallback(); + return this; + } + /** + * Calculates the dot product of this quaternion and the given one. + * + * @param {Quaternion} v - The quaternion to compute the dot product with. + * @return {number} The result of the dot product. + */ + dot(v) { + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + } + /** + * Computes the squared Euclidean length (straight-line length) of this quaternion, + * considered as a 4 dimensional vector. This can be useful if you are comparing the + * lengths of two quaternions, as this is a slightly more efficient calculation than + * {@link Quaternion#length}. + * + * @return {number} The squared Euclidean length. + */ + lengthSq() { + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + } + /** + * Computes the Euclidean length (straight-line length) of this quaternion, + * considered as a 4 dimensional vector. + * + * @return {number} The Euclidean length. + */ + length() { + return Math.sqrt(this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w); + } + /** + * Normalizes this quaternion - that is, calculated the quaternion that performs + * the same rotation as this one, but has a length equal to `1`. + * + * @return {Quaternion} A reference to this quaternion. + */ + normalize() { + let l = this.length(); + if (l === 0) { + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; + } else { + l = 1 / l; + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; + } + this._onChangeCallback(); + return this; + } + /** + * Multiplies this quaternion by the given one. + * + * @param {Quaternion} q - The quaternion. + * @return {Quaternion} A reference to this quaternion. + */ + multiply(q) { + return this.multiplyQuaternions(this, q); + } + /** + * Pre-multiplies this quaternion by the given one. + * + * @param {Quaternion} q - The quaternion. + * @return {Quaternion} A reference to this quaternion. + */ + premultiply(q) { + return this.multiplyQuaternions(q, this); + } + /** + * Multiplies the given quaternions and stores the result in this instance. + * + * @param {Quaternion} a - The first quaternion. + * @param {Quaternion} b - The second quaternion. + * @return {Quaternion} A reference to this quaternion. + */ + multiplyQuaternions(a, b) { + const qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + const qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + this._onChangeCallback(); + return this; + } + /** + * Performs a spherical linear interpolation between quaternions. + * + * @param {Quaternion} qb - The target quaternion. + * @param {number} t - The interpolation factor in the closed interval `[0, 1]`. + * @return {Quaternion} A reference to this quaternion. + */ + slerp(qb, t) { + if (t <= 0) return this; + if (t >= 1) return this.copy(qb); + let x = qb._x, y = qb._y, z = qb._z, w = qb._w; + let dot = this.dot(qb); + if (dot < 0) { + x = -x; + y = -y; + z = -z; + w = -w; + dot = -dot; + } + let s = 1 - t; + if (dot < 0.9995) { + const theta = Math.acos(dot); + const sin = Math.sin(theta); + s = Math.sin(s * theta) / sin; + t = Math.sin(t * theta) / sin; + this._x = this._x * s + x * t; + this._y = this._y * s + y * t; + this._z = this._z * s + z * t; + this._w = this._w * s + w * t; + this._onChangeCallback(); + } else { + this._x = this._x * s + x * t; + this._y = this._y * s + y * t; + this._z = this._z * s + z * t; + this._w = this._w * s + w * t; + this.normalize(); + } + return this; + } + /** + * Performs a spherical linear interpolation between the given quaternions + * and stores the result in this quaternion. + * + * @param {Quaternion} qa - The source quaternion. + * @param {Quaternion} qb - The target quaternion. + * @param {number} t - The interpolation factor in the closed interval `[0, 1]`. + * @return {Quaternion} A reference to this quaternion. + */ + slerpQuaternions(qa, qb, t) { + return this.copy(qa).slerp(qb, t); + } + /** + * Sets this quaternion to a uniformly random, normalized quaternion. + * + * @return {Quaternion} A reference to this quaternion. + */ + random() { + const theta1 = 2 * Math.PI * Math.random(); + const theta2 = 2 * Math.PI * Math.random(); + const x0 = Math.random(); + const r1 = Math.sqrt(1 - x0); + const r2 = Math.sqrt(x0); + return this.set( + r1 * Math.sin(theta1), + r1 * Math.cos(theta1), + r2 * Math.sin(theta2), + r2 * Math.cos(theta2) + ); + } + /** + * Returns `true` if this quaternion is equal with the given one. + * + * @param {Quaternion} quaternion - The quaternion to test for equality. + * @return {boolean} Whether this quaternion is equal with the given one. + */ + equals(quaternion) { + return quaternion._x === this._x && quaternion._y === this._y && quaternion._z === this._z && quaternion._w === this._w; + } + /** + * Sets this quaternion's components from the given array. + * + * @param {Array} array - An array holding the quaternion component values. + * @param {number} [offset=0] - The offset into the array. + * @return {Quaternion} A reference to this quaternion. + */ + fromArray(array, offset = 0) { + this._x = array[offset]; + this._y = array[offset + 1]; + this._z = array[offset + 2]; + this._w = array[offset + 3]; + this._onChangeCallback(); + return this; + } + /** + * Writes the components of this quaternion to the given array. If no array is provided, + * the method returns a new instance. + * + * @param {Array} [array=[]] - The target array holding the quaternion components. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Array} The quaternion components. + */ + toArray(array = [], offset = 0) { + array[offset] = this._x; + array[offset + 1] = this._y; + array[offset + 2] = this._z; + array[offset + 3] = this._w; + return array; + } + /** + * Sets the components of this quaternion from the given buffer attribute. + * + * @param {BufferAttribute} attribute - The buffer attribute holding quaternion data. + * @param {number} index - The index into the attribute. + * @return {Quaternion} A reference to this quaternion. + */ + fromBufferAttribute(attribute, index) { + this._x = attribute.getX(index); + this._y = attribute.getY(index); + this._z = attribute.getZ(index); + this._w = attribute.getW(index); + this._onChangeCallback(); + return this; + } + /** + * This methods defines the serialization result of this class. Returns the + * numerical elements of this quaternion in an array of format `[x, y, z, w]`. + * + * @return {Array} The serialized quaternion. + */ + toJSON() { + return this.toArray(); + } + _onChange(callback) { + this._onChangeCallback = callback; + return this; + } + _onChangeCallback() { + } + *[Symbol.iterator]() { + yield this._x; + yield this._y; + yield this._z; + yield this._w; + } +}; +var Vector3 = class _Vector3 { + /** + * Constructs a new 3D vector. + * + * @param {number} [x=0] - The x value of this vector. + * @param {number} [y=0] - The y value of this vector. + * @param {number} [z=0] - The z value of this vector. + */ + constructor(x = 0, y = 0, z = 0) { + _Vector3.prototype.isVector3 = true; + this.x = x; + this.y = y; + this.z = z; + } + /** + * Sets the vector components. + * + * @param {number} x - The value of the x component. + * @param {number} y - The value of the y component. + * @param {number} z - The value of the z component. + * @return {Vector3} A reference to this vector. + */ + set(x, y, z) { + if (z === void 0) z = this.z; + this.x = x; + this.y = y; + this.z = z; + return this; + } + /** + * Sets the vector components to the same value. + * + * @param {number} scalar - The value to set for all vector components. + * @return {Vector3} A reference to this vector. + */ + setScalar(scalar) { + this.x = scalar; + this.y = scalar; + this.z = scalar; + return this; + } + /** + * Sets the vector's x component to the given value + * + * @param {number} x - The value to set. + * @return {Vector3} A reference to this vector. + */ + setX(x) { + this.x = x; + return this; + } + /** + * Sets the vector's y component to the given value + * + * @param {number} y - The value to set. + * @return {Vector3} A reference to this vector. + */ + setY(y) { + this.y = y; + return this; + } + /** + * Sets the vector's z component to the given value + * + * @param {number} z - The value to set. + * @return {Vector3} A reference to this vector. + */ + setZ(z) { + this.z = z; + return this; + } + /** + * Allows to set a vector component with an index. + * + * @param {number} index - The component index. `0` equals to x, `1` equals to y, `2` equals to z. + * @param {number} value - The value to set. + * @return {Vector3} A reference to this vector. + */ + setComponent(index, value) { + switch (index) { + case 0: + this.x = value; + break; + case 1: + this.y = value; + break; + case 2: + this.z = value; + break; + default: + throw new Error("index is out of range: " + index); + } + return this; + } + /** + * Returns the value of the vector component which matches the given index. + * + * @param {number} index - The component index. `0` equals to x, `1` equals to y, `2` equals to z. + * @return {number} A vector component value. + */ + getComponent(index) { + switch (index) { + case 0: + return this.x; + case 1: + return this.y; + case 2: + return this.z; + default: + throw new Error("index is out of range: " + index); + } + } + /** + * Returns a new vector with copied values from this instance. + * + * @return {Vector3} A clone of this instance. + */ + clone() { + return new this.constructor(this.x, this.y, this.z); + } + /** + * Copies the values of the given vector to this instance. + * + * @param {Vector3} v - The vector to copy. + * @return {Vector3} A reference to this vector. + */ + copy(v) { + this.x = v.x; + this.y = v.y; + this.z = v.z; + return this; + } + /** + * Adds the given vector to this instance. + * + * @param {Vector3} v - The vector to add. + * @return {Vector3} A reference to this vector. + */ + add(v) { + this.x += v.x; + this.y += v.y; + this.z += v.z; + return this; + } + /** + * Adds the given scalar value to all components of this instance. + * + * @param {number} s - The scalar to add. + * @return {Vector3} A reference to this vector. + */ + addScalar(s) { + this.x += s; + this.y += s; + this.z += s; + return this; + } + /** + * Adds the given vectors and stores the result in this instance. + * + * @param {Vector3} a - The first vector. + * @param {Vector3} b - The second vector. + * @return {Vector3} A reference to this vector. + */ + addVectors(a, b) { + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + return this; + } + /** + * Adds the given vector scaled by the given factor to this instance. + * + * @param {Vector3|Vector4} v - The vector. + * @param {number} s - The factor that scales `v`. + * @return {Vector3} A reference to this vector. + */ + addScaledVector(v, s) { + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + return this; + } + /** + * Subtracts the given vector from this instance. + * + * @param {Vector3} v - The vector to subtract. + * @return {Vector3} A reference to this vector. + */ + sub(v) { + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + return this; + } + /** + * Subtracts the given scalar value from all components of this instance. + * + * @param {number} s - The scalar to subtract. + * @return {Vector3} A reference to this vector. + */ + subScalar(s) { + this.x -= s; + this.y -= s; + this.z -= s; + return this; + } + /** + * Subtracts the given vectors and stores the result in this instance. + * + * @param {Vector3} a - The first vector. + * @param {Vector3} b - The second vector. + * @return {Vector3} A reference to this vector. + */ + subVectors(a, b) { + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + return this; + } + /** + * Multiplies the given vector with this instance. + * + * @param {Vector3} v - The vector to multiply. + * @return {Vector3} A reference to this vector. + */ + multiply(v) { + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + return this; + } + /** + * Multiplies the given scalar value with all components of this instance. + * + * @param {number} scalar - The scalar to multiply. + * @return {Vector3} A reference to this vector. + */ + multiplyScalar(scalar) { + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + return this; + } + /** + * Multiplies the given vectors and stores the result in this instance. + * + * @param {Vector3} a - The first vector. + * @param {Vector3} b - The second vector. + * @return {Vector3} A reference to this vector. + */ + multiplyVectors(a, b) { + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; + return this; + } + /** + * Applies the given Euler rotation to this vector. + * + * @param {Euler} euler - The Euler angles. + * @return {Vector3} A reference to this vector. + */ + applyEuler(euler) { + return this.applyQuaternion(_quaternion$4.setFromEuler(euler)); + } + /** + * Applies a rotation specified by an axis and an angle to this vector. + * + * @param {Vector3} axis - A normalized vector representing the rotation axis. + * @param {number} angle - The angle in radians. + * @return {Vector3} A reference to this vector. + */ + applyAxisAngle(axis, angle) { + return this.applyQuaternion(_quaternion$4.setFromAxisAngle(axis, angle)); + } + /** + * Multiplies this vector with the given 3x3 matrix. + * + * @param {Matrix3} m - The 3x3 matrix. + * @return {Vector3} A reference to this vector. + */ + applyMatrix3(m) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + this.x = e[0] * x + e[3] * y + e[6] * z; + this.y = e[1] * x + e[4] * y + e[7] * z; + this.z = e[2] * x + e[5] * y + e[8] * z; + return this; + } + /** + * Multiplies this vector by the given normal matrix and normalizes + * the result. + * + * @param {Matrix3} m - The normal matrix. + * @return {Vector3} A reference to this vector. + */ + applyNormalMatrix(m) { + return this.applyMatrix3(m).normalize(); + } + /** + * Multiplies this vector (with an implicit 1 in the 4th dimension) by m, and + * divides by perspective. + * + * @param {Matrix4} m - The matrix to apply. + * @return {Vector3} A reference to this vector. + */ + applyMatrix4(m) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + const w = 1 / (e[3] * x + e[7] * y + e[11] * z + e[15]); + this.x = (e[0] * x + e[4] * y + e[8] * z + e[12]) * w; + this.y = (e[1] * x + e[5] * y + e[9] * z + e[13]) * w; + this.z = (e[2] * x + e[6] * y + e[10] * z + e[14]) * w; + return this; + } + /** + * Applies the given Quaternion to this vector. + * + * @param {Quaternion} q - The Quaternion. + * @return {Vector3} A reference to this vector. + */ + applyQuaternion(q) { + const vx = this.x, vy = this.y, vz = this.z; + const qx = q.x, qy = q.y, qz = q.z, qw = q.w; + const tx = 2 * (qy * vz - qz * vy); + const ty = 2 * (qz * vx - qx * vz); + const tz = 2 * (qx * vy - qy * vx); + this.x = vx + qw * tx + qy * tz - qz * ty; + this.y = vy + qw * ty + qz * tx - qx * tz; + this.z = vz + qw * tz + qx * ty - qy * tx; + return this; + } + /** + * Projects this vector from world space into the camera's normalized + * device coordinate (NDC) space. + * + * @param {Camera} camera - The camera. + * @return {Vector3} A reference to this vector. + */ + project(camera) { + return this.applyMatrix4(camera.matrixWorldInverse).applyMatrix4(camera.projectionMatrix); + } + /** + * Unprojects this vector from the camera's normalized device coordinate (NDC) + * space into world space. + * + * @param {Camera} camera - The camera. + * @return {Vector3} A reference to this vector. + */ + unproject(camera) { + return this.applyMatrix4(camera.projectionMatrixInverse).applyMatrix4(camera.matrixWorld); + } + /** + * Transforms the direction of this vector by a matrix (the upper left 3 x 3 + * subset of the given 4x4 matrix and then normalizes the result. + * + * @param {Matrix4} m - The matrix. + * @return {Vector3} A reference to this vector. + */ + transformDirection(m) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + this.x = e[0] * x + e[4] * y + e[8] * z; + this.y = e[1] * x + e[5] * y + e[9] * z; + this.z = e[2] * x + e[6] * y + e[10] * z; + return this.normalize(); + } + /** + * Divides this instance by the given vector. + * + * @param {Vector3} v - The vector to divide. + * @return {Vector3} A reference to this vector. + */ + divide(v) { + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + return this; + } + /** + * Divides this vector by the given scalar. + * + * @param {number} scalar - The scalar to divide. + * @return {Vector3} A reference to this vector. + */ + divideScalar(scalar) { + return this.multiplyScalar(1 / scalar); + } + /** + * If this vector's x, y or z value is greater than the given vector's x, y or z + * value, replace that value with the corresponding min value. + * + * @param {Vector3} v - The vector. + * @return {Vector3} A reference to this vector. + */ + min(v) { + this.x = Math.min(this.x, v.x); + this.y = Math.min(this.y, v.y); + this.z = Math.min(this.z, v.z); + return this; + } + /** + * If this vector's x, y or z value is less than the given vector's x, y or z + * value, replace that value with the corresponding max value. + * + * @param {Vector3} v - The vector. + * @return {Vector3} A reference to this vector. + */ + max(v) { + this.x = Math.max(this.x, v.x); + this.y = Math.max(this.y, v.y); + this.z = Math.max(this.z, v.z); + return this; + } + /** + * If this vector's x, y or z value is greater than the max vector's x, y or z + * value, it is replaced by the corresponding value. + * If this vector's x, y or z value is less than the min vector's x, y or z value, + * it is replaced by the corresponding value. + * + * @param {Vector3} min - The minimum x, y and z values. + * @param {Vector3} max - The maximum x, y and z values in the desired range. + * @return {Vector3} A reference to this vector. + */ + clamp(min, max) { + this.x = clamp(this.x, min.x, max.x); + this.y = clamp(this.y, min.y, max.y); + this.z = clamp(this.z, min.z, max.z); + return this; + } + /** + * If this vector's x, y or z values are greater than the max value, they are + * replaced by the max value. + * If this vector's x, y or z values are less than the min value, they are + * replaced by the min value. + * + * @param {number} minVal - The minimum value the components will be clamped to. + * @param {number} maxVal - The maximum value the components will be clamped to. + * @return {Vector3} A reference to this vector. + */ + clampScalar(minVal, maxVal) { + this.x = clamp(this.x, minVal, maxVal); + this.y = clamp(this.y, minVal, maxVal); + this.z = clamp(this.z, minVal, maxVal); + return this; + } + /** + * If this vector's length is greater than the max value, it is replaced by + * the max value. + * If this vector's length is less than the min value, it is replaced by the + * min value. + * + * @param {number} min - The minimum value the vector length will be clamped to. + * @param {number} max - The maximum value the vector length will be clamped to. + * @return {Vector3} A reference to this vector. + */ + clampLength(min, max) { + const length = this.length(); + return this.divideScalar(length || 1).multiplyScalar(clamp(length, min, max)); + } + /** + * The components of this vector are rounded down to the nearest integer value. + * + * @return {Vector3} A reference to this vector. + */ + floor() { + this.x = Math.floor(this.x); + this.y = Math.floor(this.y); + this.z = Math.floor(this.z); + return this; + } + /** + * The components of this vector are rounded up to the nearest integer value. + * + * @return {Vector3} A reference to this vector. + */ + ceil() { + this.x = Math.ceil(this.x); + this.y = Math.ceil(this.y); + this.z = Math.ceil(this.z); + return this; + } + /** + * The components of this vector are rounded to the nearest integer value + * + * @return {Vector3} A reference to this vector. + */ + round() { + this.x = Math.round(this.x); + this.y = Math.round(this.y); + this.z = Math.round(this.z); + return this; + } + /** + * The components of this vector are rounded towards zero (up if negative, + * down if positive) to an integer value. + * + * @return {Vector3} A reference to this vector. + */ + roundToZero() { + this.x = Math.trunc(this.x); + this.y = Math.trunc(this.y); + this.z = Math.trunc(this.z); + return this; + } + /** + * Inverts this vector - i.e. sets x = -x, y = -y and z = -z. + * + * @return {Vector3} A reference to this vector. + */ + negate() { + this.x = -this.x; + this.y = -this.y; + this.z = -this.z; + return this; + } + /** + * Calculates the dot product of the given vector with this instance. + * + * @param {Vector3} v - The vector to compute the dot product with. + * @return {number} The result of the dot product. + */ + dot(v) { + return this.x * v.x + this.y * v.y + this.z * v.z; + } + // TODO lengthSquared? + /** + * Computes the square of the Euclidean length (straight-line length) from + * (0, 0, 0) to (x, y, z). If you are comparing the lengths of vectors, you should + * compare the length squared instead as it is slightly more efficient to calculate. + * + * @return {number} The square length of this vector. + */ + lengthSq() { + return this.x * this.x + this.y * this.y + this.z * this.z; + } + /** + * Computes the Euclidean length (straight-line length) from (0, 0, 0) to (x, y, z). + * + * @return {number} The length of this vector. + */ + length() { + return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z); + } + /** + * Computes the Manhattan length of this vector. + * + * @return {number} The length of this vector. + */ + manhattanLength() { + return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z); + } + /** + * Converts this vector to a unit vector - that is, sets it equal to a vector + * with the same direction as this one, but with a vector length of `1`. + * + * @return {Vector3} A reference to this vector. + */ + normalize() { + return this.divideScalar(this.length() || 1); + } + /** + * Sets this vector to a vector with the same direction as this one, but + * with the specified length. + * + * @param {number} length - The new length of this vector. + * @return {Vector3} A reference to this vector. + */ + setLength(length) { + return this.normalize().multiplyScalar(length); + } + /** + * Linearly interpolates between the given vector and this instance, where + * alpha is the percent distance along the line - alpha = 0 will be this + * vector, and alpha = 1 will be the given one. + * + * @param {Vector3} v - The vector to interpolate towards. + * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`. + * @return {Vector3} A reference to this vector. + */ + lerp(v, alpha) { + this.x += (v.x - this.x) * alpha; + this.y += (v.y - this.y) * alpha; + this.z += (v.z - this.z) * alpha; + return this; + } + /** + * Linearly interpolates between the given vectors, where alpha is the percent + * distance along the line - alpha = 0 will be first vector, and alpha = 1 will + * be the second one. The result is stored in this instance. + * + * @param {Vector3} v1 - The first vector. + * @param {Vector3} v2 - The second vector. + * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`. + * @return {Vector3} A reference to this vector. + */ + lerpVectors(v1, v2, alpha) { + this.x = v1.x + (v2.x - v1.x) * alpha; + this.y = v1.y + (v2.y - v1.y) * alpha; + this.z = v1.z + (v2.z - v1.z) * alpha; + return this; + } + /** + * Calculates the cross product of the given vector with this instance. + * + * @param {Vector3} v - The vector to compute the cross product with. + * @return {Vector3} The result of the cross product. + */ + cross(v) { + return this.crossVectors(this, v); + } + /** + * Calculates the cross product of the given vectors and stores the result + * in this instance. + * + * @param {Vector3} a - The first vector. + * @param {Vector3} b - The second vector. + * @return {Vector3} A reference to this vector. + */ + crossVectors(a, b) { + const ax = a.x, ay = a.y, az = a.z; + const bx = b.x, by = b.y, bz = b.z; + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; + return this; + } + /** + * Projects this vector onto the given one. + * + * @param {Vector3} v - The vector to project to. + * @return {Vector3} A reference to this vector. + */ + projectOnVector(v) { + const denominator = v.lengthSq(); + if (denominator === 0) return this.set(0, 0, 0); + const scalar = v.dot(this) / denominator; + return this.copy(v).multiplyScalar(scalar); + } + /** + * Projects this vector onto a plane by subtracting this + * vector projected onto the plane's normal from this vector. + * + * @param {Vector3} planeNormal - The plane normal. + * @return {Vector3} A reference to this vector. + */ + projectOnPlane(planeNormal) { + _vector$c.copy(this).projectOnVector(planeNormal); + return this.sub(_vector$c); + } + /** + * Reflects this vector off a plane orthogonal to the given normal vector. + * + * @param {Vector3} normal - The (normalized) normal vector. + * @return {Vector3} A reference to this vector. + */ + reflect(normal) { + return this.sub(_vector$c.copy(normal).multiplyScalar(2 * this.dot(normal))); + } + /** + * Returns the angle between the given vector and this instance in radians. + * + * @param {Vector3} v - The vector to compute the angle with. + * @return {number} The angle in radians. + */ + angleTo(v) { + const denominator = Math.sqrt(this.lengthSq() * v.lengthSq()); + if (denominator === 0) return Math.PI / 2; + const theta = this.dot(v) / denominator; + return Math.acos(clamp(theta, -1, 1)); + } + /** + * Computes the distance from the given vector to this instance. + * + * @param {Vector3} v - The vector to compute the distance to. + * @return {number} The distance. + */ + distanceTo(v) { + return Math.sqrt(this.distanceToSquared(v)); + } + /** + * Computes the squared distance from the given vector to this instance. + * If you are just comparing the distance with another distance, you should compare + * the distance squared instead as it is slightly more efficient to calculate. + * + * @param {Vector3} v - The vector to compute the squared distance to. + * @return {number} The squared distance. + */ + distanceToSquared(v) { + const dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + return dx * dx + dy * dy + dz * dz; + } + /** + * Computes the Manhattan distance from the given vector to this instance. + * + * @param {Vector3} v - The vector to compute the Manhattan distance to. + * @return {number} The Manhattan distance. + */ + manhattanDistanceTo(v) { + return Math.abs(this.x - v.x) + Math.abs(this.y - v.y) + Math.abs(this.z - v.z); + } + /** + * Sets the vector components from the given spherical coordinates. + * + * @param {Spherical} s - The spherical coordinates. + * @return {Vector3} A reference to this vector. + */ + setFromSpherical(s) { + return this.setFromSphericalCoords(s.radius, s.phi, s.theta); + } + /** + * Sets the vector components from the given spherical coordinates. + * + * @param {number} radius - The radius. + * @param {number} phi - The phi angle in radians. + * @param {number} theta - The theta angle in radians. + * @return {Vector3} A reference to this vector. + */ + setFromSphericalCoords(radius, phi, theta) { + const sinPhiRadius = Math.sin(phi) * radius; + this.x = sinPhiRadius * Math.sin(theta); + this.y = Math.cos(phi) * radius; + this.z = sinPhiRadius * Math.cos(theta); + return this; + } + /** + * Sets the vector components from the given cylindrical coordinates. + * + * @param {Cylindrical} c - The cylindrical coordinates. + * @return {Vector3} A reference to this vector. + */ + setFromCylindrical(c) { + return this.setFromCylindricalCoords(c.radius, c.theta, c.y); + } + /** + * Sets the vector components from the given cylindrical coordinates. + * + * @param {number} radius - The radius. + * @param {number} theta - The theta angle in radians. + * @param {number} y - The y value. + * @return {Vector3} A reference to this vector. + */ + setFromCylindricalCoords(radius, theta, y) { + this.x = radius * Math.sin(theta); + this.y = y; + this.z = radius * Math.cos(theta); + return this; + } + /** + * Sets the vector components to the position elements of the + * given transformation matrix. + * + * @param {Matrix4} m - The 4x4 matrix. + * @return {Vector3} A reference to this vector. + */ + setFromMatrixPosition(m) { + const e = m.elements; + this.x = e[12]; + this.y = e[13]; + this.z = e[14]; + return this; + } + /** + * Sets the vector components to the scale elements of the + * given transformation matrix. + * + * @param {Matrix4} m - The 4x4 matrix. + * @return {Vector3} A reference to this vector. + */ + setFromMatrixScale(m) { + const sx = this.setFromMatrixColumn(m, 0).length(); + const sy = this.setFromMatrixColumn(m, 1).length(); + const sz = this.setFromMatrixColumn(m, 2).length(); + this.x = sx; + this.y = sy; + this.z = sz; + return this; + } + /** + * Sets the vector components from the specified matrix column. + * + * @param {Matrix4} m - The 4x4 matrix. + * @param {number} index - The column index. + * @return {Vector3} A reference to this vector. + */ + setFromMatrixColumn(m, index) { + return this.fromArray(m.elements, index * 4); + } + /** + * Sets the vector components from the specified matrix column. + * + * @param {Matrix3} m - The 3x3 matrix. + * @param {number} index - The column index. + * @return {Vector3} A reference to this vector. + */ + setFromMatrix3Column(m, index) { + return this.fromArray(m.elements, index * 3); + } + /** + * Sets the vector components from the given Euler angles. + * + * @param {Euler} e - The Euler angles to set. + * @return {Vector3} A reference to this vector. + */ + setFromEuler(e) { + this.x = e._x; + this.y = e._y; + this.z = e._z; + return this; + } + /** + * Sets the vector components from the RGB components of the + * given color. + * + * @param {Color} c - The color to set. + * @return {Vector3} A reference to this vector. + */ + setFromColor(c) { + this.x = c.r; + this.y = c.g; + this.z = c.b; + return this; + } + /** + * Returns `true` if this vector is equal with the given one. + * + * @param {Vector3} v - The vector to test for equality. + * @return {boolean} Whether this vector is equal with the given one. + */ + equals(v) { + return v.x === this.x && v.y === this.y && v.z === this.z; + } + /** + * Sets this vector's x value to be `array[ offset ]`, y value to be `array[ offset + 1 ]` + * and z value to be `array[ offset + 2 ]`. + * + * @param {Array} array - An array holding the vector component values. + * @param {number} [offset=0] - The offset into the array. + * @return {Vector3} A reference to this vector. + */ + fromArray(array, offset = 0) { + this.x = array[offset]; + this.y = array[offset + 1]; + this.z = array[offset + 2]; + return this; + } + /** + * Writes the components of this vector to the given array. If no array is provided, + * the method returns a new instance. + * + * @param {Array} [array=[]] - The target array holding the vector components. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Array} The vector components. + */ + toArray(array = [], offset = 0) { + array[offset] = this.x; + array[offset + 1] = this.y; + array[offset + 2] = this.z; + return array; + } + /** + * Sets the components of this vector from the given buffer attribute. + * + * @param {BufferAttribute} attribute - The buffer attribute holding vector data. + * @param {number} index - The index into the attribute. + * @return {Vector3} A reference to this vector. + */ + fromBufferAttribute(attribute, index) { + this.x = attribute.getX(index); + this.y = attribute.getY(index); + this.z = attribute.getZ(index); + return this; + } + /** + * Sets each component of this vector to a pseudo-random value between `0` and + * `1`, excluding `1`. + * + * @return {Vector3} A reference to this vector. + */ + random() { + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + return this; + } + /** + * Sets this vector to a uniformly random point on a unit sphere. + * + * @return {Vector3} A reference to this vector. + */ + randomDirection() { + const theta = Math.random() * Math.PI * 2; + const u = Math.random() * 2 - 1; + const c = Math.sqrt(1 - u * u); + this.x = c * Math.cos(theta); + this.y = u; + this.z = c * Math.sin(theta); + return this; + } + *[Symbol.iterator]() { + yield this.x; + yield this.y; + yield this.z; + } +}; +var _vector$c = new Vector3(); +var _quaternion$4 = new Quaternion(); +var Matrix3 = class _Matrix3 { + /** + * Constructs a new 3x3 matrix. The arguments are supposed to be + * in row-major order. If no arguments are provided, the constructor + * initializes the matrix as an identity matrix. + * + * @param {number} [n11] - 1-1 matrix element. + * @param {number} [n12] - 1-2 matrix element. + * @param {number} [n13] - 1-3 matrix element. + * @param {number} [n21] - 2-1 matrix element. + * @param {number} [n22] - 2-2 matrix element. + * @param {number} [n23] - 2-3 matrix element. + * @param {number} [n31] - 3-1 matrix element. + * @param {number} [n32] - 3-2 matrix element. + * @param {number} [n33] - 3-3 matrix element. + */ + constructor(n11, n12, n13, n21, n22, n23, n31, n32, n33) { + _Matrix3.prototype.isMatrix3 = true; + this.elements = [ + 1, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 1 + ]; + if (n11 !== void 0) { + this.set(n11, n12, n13, n21, n22, n23, n31, n32, n33); + } + } + /** + * Sets the elements of the matrix.The arguments are supposed to be + * in row-major order. + * + * @param {number} [n11] - 1-1 matrix element. + * @param {number} [n12] - 1-2 matrix element. + * @param {number} [n13] - 1-3 matrix element. + * @param {number} [n21] - 2-1 matrix element. + * @param {number} [n22] - 2-2 matrix element. + * @param {number} [n23] - 2-3 matrix element. + * @param {number} [n31] - 3-1 matrix element. + * @param {number} [n32] - 3-2 matrix element. + * @param {number} [n33] - 3-3 matrix element. + * @return {Matrix3} A reference to this matrix. + */ + set(n11, n12, n13, n21, n22, n23, n31, n32, n33) { + const te = this.elements; + te[0] = n11; + te[1] = n21; + te[2] = n31; + te[3] = n12; + te[4] = n22; + te[5] = n32; + te[6] = n13; + te[7] = n23; + te[8] = n33; + return this; + } + /** + * Sets this matrix to the 3x3 identity matrix. + * + * @return {Matrix3} A reference to this matrix. + */ + identity() { + this.set( + 1, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Copies the values of the given matrix to this instance. + * + * @param {Matrix3} m - The matrix to copy. + * @return {Matrix3} A reference to this matrix. + */ + copy(m) { + const te = this.elements; + const me = m.elements; + te[0] = me[0]; + te[1] = me[1]; + te[2] = me[2]; + te[3] = me[3]; + te[4] = me[4]; + te[5] = me[5]; + te[6] = me[6]; + te[7] = me[7]; + te[8] = me[8]; + return this; + } + /** + * Extracts the basis of this matrix into the three axis vectors provided. + * + * @param {Vector3} xAxis - The basis's x axis. + * @param {Vector3} yAxis - The basis's y axis. + * @param {Vector3} zAxis - The basis's z axis. + * @return {Matrix3} A reference to this matrix. + */ + extractBasis(xAxis, yAxis, zAxis) { + xAxis.setFromMatrix3Column(this, 0); + yAxis.setFromMatrix3Column(this, 1); + zAxis.setFromMatrix3Column(this, 2); + return this; + } + /** + * Set this matrix to the upper 3x3 matrix of the given 4x4 matrix. + * + * @param {Matrix4} m - The 4x4 matrix. + * @return {Matrix3} A reference to this matrix. + */ + setFromMatrix4(m) { + const me = m.elements; + this.set( + me[0], + me[4], + me[8], + me[1], + me[5], + me[9], + me[2], + me[6], + me[10] + ); + return this; + } + /** + * Post-multiplies this matrix by the given 3x3 matrix. + * + * @param {Matrix3} m - The matrix to multiply with. + * @return {Matrix3} A reference to this matrix. + */ + multiply(m) { + return this.multiplyMatrices(this, m); + } + /** + * Pre-multiplies this matrix by the given 3x3 matrix. + * + * @param {Matrix3} m - The matrix to multiply with. + * @return {Matrix3} A reference to this matrix. + */ + premultiply(m) { + return this.multiplyMatrices(m, this); + } + /** + * Multiples the given 3x3 matrices and stores the result + * in this matrix. + * + * @param {Matrix3} a - The first matrix. + * @param {Matrix3} b - The second matrix. + * @return {Matrix3} A reference to this matrix. + */ + multiplyMatrices(a, b) { + const ae = a.elements; + const be = b.elements; + const te = this.elements; + const a11 = ae[0], a12 = ae[3], a13 = ae[6]; + const a21 = ae[1], a22 = ae[4], a23 = ae[7]; + const a31 = ae[2], a32 = ae[5], a33 = ae[8]; + const b11 = be[0], b12 = be[3], b13 = be[6]; + const b21 = be[1], b22 = be[4], b23 = be[7]; + const b31 = be[2], b32 = be[5], b33 = be[8]; + te[0] = a11 * b11 + a12 * b21 + a13 * b31; + te[3] = a11 * b12 + a12 * b22 + a13 * b32; + te[6] = a11 * b13 + a12 * b23 + a13 * b33; + te[1] = a21 * b11 + a22 * b21 + a23 * b31; + te[4] = a21 * b12 + a22 * b22 + a23 * b32; + te[7] = a21 * b13 + a22 * b23 + a23 * b33; + te[2] = a31 * b11 + a32 * b21 + a33 * b31; + te[5] = a31 * b12 + a32 * b22 + a33 * b32; + te[8] = a31 * b13 + a32 * b23 + a33 * b33; + return this; + } + /** + * Multiplies every component of the matrix by the given scalar. + * + * @param {number} s - The scalar. + * @return {Matrix3} A reference to this matrix. + */ + multiplyScalar(s) { + const te = this.elements; + te[0] *= s; + te[3] *= s; + te[6] *= s; + te[1] *= s; + te[4] *= s; + te[7] *= s; + te[2] *= s; + te[5] *= s; + te[8] *= s; + return this; + } + /** + * Computes and returns the determinant of this matrix. + * + * @return {number} The determinant. + */ + determinant() { + const te = this.elements; + const a = te[0], b = te[1], c = te[2], d = te[3], e = te[4], f = te[5], g = te[6], h = te[7], i = te[8]; + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + } + /** + * Inverts this matrix, using the [analytic method](https://en.wikipedia.org/wiki/Invertible_matrix#Analytic_solution). + * You can not invert with a determinant of zero. If you attempt this, the method produces + * a zero matrix instead. + * + * @return {Matrix3} A reference to this matrix. + */ + invert() { + const te = this.elements, n11 = te[0], n21 = te[1], n31 = te[2], n12 = te[3], n22 = te[4], n32 = te[5], n13 = te[6], n23 = te[7], n33 = te[8], t11 = n33 * n22 - n32 * n23, t12 = n32 * n13 - n33 * n12, t13 = n23 * n12 - n22 * n13, det = n11 * t11 + n21 * t12 + n31 * t13; + if (det === 0) return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0); + const detInv = 1 / det; + te[0] = t11 * detInv; + te[1] = (n31 * n23 - n33 * n21) * detInv; + te[2] = (n32 * n21 - n31 * n22) * detInv; + te[3] = t12 * detInv; + te[4] = (n33 * n11 - n31 * n13) * detInv; + te[5] = (n31 * n12 - n32 * n11) * detInv; + te[6] = t13 * detInv; + te[7] = (n21 * n13 - n23 * n11) * detInv; + te[8] = (n22 * n11 - n21 * n12) * detInv; + return this; + } + /** + * Transposes this matrix in place. + * + * @return {Matrix3} A reference to this matrix. + */ + transpose() { + let tmp2; + const m = this.elements; + tmp2 = m[1]; + m[1] = m[3]; + m[3] = tmp2; + tmp2 = m[2]; + m[2] = m[6]; + m[6] = tmp2; + tmp2 = m[5]; + m[5] = m[7]; + m[7] = tmp2; + return this; + } + /** + * Computes the normal matrix which is the inverse transpose of the upper + * left 3x3 portion of the given 4x4 matrix. + * + * @param {Matrix4} matrix4 - The 4x4 matrix. + * @return {Matrix3} A reference to this matrix. + */ + getNormalMatrix(matrix4) { + return this.setFromMatrix4(matrix4).invert().transpose(); + } + /** + * Transposes this matrix into the supplied array, and returns itself unchanged. + * + * @param {Array} r - An array to store the transposed matrix elements. + * @return {Matrix3} A reference to this matrix. + */ + transposeIntoArray(r) { + const m = this.elements; + r[0] = m[0]; + r[1] = m[3]; + r[2] = m[6]; + r[3] = m[1]; + r[4] = m[4]; + r[5] = m[7]; + r[6] = m[2]; + r[7] = m[5]; + r[8] = m[8]; + return this; + } + /** + * Sets the UV transform matrix from offset, repeat, rotation, and center. + * + * @param {number} tx - Offset x. + * @param {number} ty - Offset y. + * @param {number} sx - Repeat x. + * @param {number} sy - Repeat y. + * @param {number} rotation - Rotation, in radians. Positive values rotate counterclockwise. + * @param {number} cx - Center x of rotation. + * @param {number} cy - Center y of rotation + * @return {Matrix3} A reference to this matrix. + */ + setUvTransform(tx, ty, sx, sy, rotation, cx, cy) { + const c = Math.cos(rotation); + const s = Math.sin(rotation); + this.set( + sx * c, + sx * s, + -sx * (c * cx + s * cy) + cx + tx, + -sy * s, + sy * c, + -sy * (-s * cx + c * cy) + cy + ty, + 0, + 0, + 1 + ); + return this; + } + /** + * Scales this matrix with the given scalar values. + * + * @param {number} sx - The amount to scale in the X axis. + * @param {number} sy - The amount to scale in the Y axis. + * @return {Matrix3} A reference to this matrix. + */ + scale(sx, sy) { + this.premultiply(_m3.makeScale(sx, sy)); + return this; + } + /** + * Rotates this matrix by the given angle. + * + * @param {number} theta - The rotation in radians. + * @return {Matrix3} A reference to this matrix. + */ + rotate(theta) { + this.premultiply(_m3.makeRotation(-theta)); + return this; + } + /** + * Translates this matrix by the given scalar values. + * + * @param {number} tx - The amount to translate in the X axis. + * @param {number} ty - The amount to translate in the Y axis. + * @return {Matrix3} A reference to this matrix. + */ + translate(tx, ty) { + this.premultiply(_m3.makeTranslation(tx, ty)); + return this; + } + // for 2D Transforms + /** + * Sets this matrix as a 2D translation transform. + * + * @param {number|Vector2} x - The amount to translate in the X axis or alternatively a translation vector. + * @param {number} y - The amount to translate in the Y axis. + * @return {Matrix3} A reference to this matrix. + */ + makeTranslation(x, y) { + if (x.isVector2) { + this.set( + 1, + 0, + x.x, + 0, + 1, + x.y, + 0, + 0, + 1 + ); + } else { + this.set( + 1, + 0, + x, + 0, + 1, + y, + 0, + 0, + 1 + ); + } + return this; + } + /** + * Sets this matrix as a 2D rotational transformation. + * + * @param {number} theta - The rotation in radians. + * @return {Matrix3} A reference to this matrix. + */ + makeRotation(theta) { + const c = Math.cos(theta); + const s = Math.sin(theta); + this.set( + c, + -s, + 0, + s, + c, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Sets this matrix as a 2D scale transform. + * + * @param {number} x - The amount to scale in the X axis. + * @param {number} y - The amount to scale in the Y axis. + * @return {Matrix3} A reference to this matrix. + */ + makeScale(x, y) { + this.set( + x, + 0, + 0, + 0, + y, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Returns `true` if this matrix is equal with the given one. + * + * @param {Matrix3} matrix - The matrix to test for equality. + * @return {boolean} Whether this matrix is equal with the given one. + */ + equals(matrix) { + const te = this.elements; + const me = matrix.elements; + for (let i = 0; i < 9; i++) { + if (te[i] !== me[i]) return false; + } + return true; + } + /** + * Sets the elements of the matrix from the given array. + * + * @param {Array} array - The matrix elements in column-major order. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Matrix3} A reference to this matrix. + */ + fromArray(array, offset = 0) { + for (let i = 0; i < 9; i++) { + this.elements[i] = array[i + offset]; + } + return this; + } + /** + * Writes the elements of this matrix to the given array. If no array is provided, + * the method returns a new instance. + * + * @param {Array} [array=[]] - The target array holding the matrix elements in column-major order. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Array} The matrix elements in column-major order. + */ + toArray(array = [], offset = 0) { + const te = this.elements; + array[offset] = te[0]; + array[offset + 1] = te[1]; + array[offset + 2] = te[2]; + array[offset + 3] = te[3]; + array[offset + 4] = te[4]; + array[offset + 5] = te[5]; + array[offset + 6] = te[6]; + array[offset + 7] = te[7]; + array[offset + 8] = te[8]; + return array; + } + /** + * Returns a matrix with copied values from this instance. + * + * @return {Matrix3} A clone of this instance. + */ + clone() { + return new this.constructor().fromArray(this.elements); + } +}; +var _m3 = new Matrix3(); +var LINEAR_REC709_TO_XYZ = new Matrix3().set( + 0.4123908, + 0.3575843, + 0.1804808, + 0.212639, + 0.7151687, + 0.0721923, + 0.0193308, + 0.1191948, + 0.9505322 +); +var XYZ_TO_LINEAR_REC709 = new Matrix3().set( + 3.2409699, + -1.5373832, + -0.4986108, + -0.9692436, + 1.8759675, + 0.0415551, + 0.0556301, + -0.203977, + 1.0569715 +); +function createColorManagement() { + const ColorManagement2 = { + enabled: true, + workingColorSpace: LinearSRGBColorSpace, + /** + * Implementations of supported color spaces. + * + * Required: + * - primaries: chromaticity coordinates [ rx ry gx gy bx by ] + * - whitePoint: reference white [ x y ] + * - transfer: transfer function (pre-defined) + * - toXYZ: Matrix3 RGB to XYZ transform + * - fromXYZ: Matrix3 XYZ to RGB transform + * - luminanceCoefficients: RGB luminance coefficients + * + * Optional: + * - outputColorSpaceConfig: { drawingBufferColorSpace: ColorSpace, toneMappingMode: 'extended' | 'standard' } + * - workingColorSpaceConfig: { unpackColorSpace: ColorSpace } + * + * Reference: + * - https://www.russellcottrell.com/photo/matrixCalculator.htm + */ + spaces: {}, + convert: function(color, sourceColorSpace, targetColorSpace) { + if (this.enabled === false || sourceColorSpace === targetColorSpace || !sourceColorSpace || !targetColorSpace) { + return color; + } + if (this.spaces[sourceColorSpace].transfer === SRGBTransfer) { + color.r = SRGBToLinear(color.r); + color.g = SRGBToLinear(color.g); + color.b = SRGBToLinear(color.b); + } + if (this.spaces[sourceColorSpace].primaries !== this.spaces[targetColorSpace].primaries) { + color.applyMatrix3(this.spaces[sourceColorSpace].toXYZ); + color.applyMatrix3(this.spaces[targetColorSpace].fromXYZ); + } + if (this.spaces[targetColorSpace].transfer === SRGBTransfer) { + color.r = LinearToSRGB(color.r); + color.g = LinearToSRGB(color.g); + color.b = LinearToSRGB(color.b); + } + return color; + }, + workingToColorSpace: function(color, targetColorSpace) { + return this.convert(color, this.workingColorSpace, targetColorSpace); + }, + colorSpaceToWorking: function(color, sourceColorSpace) { + return this.convert(color, sourceColorSpace, this.workingColorSpace); + }, + getPrimaries: function(colorSpace) { + return this.spaces[colorSpace].primaries; + }, + getTransfer: function(colorSpace) { + if (colorSpace === NoColorSpace) return LinearTransfer; + return this.spaces[colorSpace].transfer; + }, + getToneMappingMode: function(colorSpace) { + return this.spaces[colorSpace].outputColorSpaceConfig.toneMappingMode || "standard"; + }, + getLuminanceCoefficients: function(target, colorSpace = this.workingColorSpace) { + return target.fromArray(this.spaces[colorSpace].luminanceCoefficients); + }, + define: function(colorSpaces) { + Object.assign(this.spaces, colorSpaces); + }, + // Internal APIs + _getMatrix: function(targetMatrix, sourceColorSpace, targetColorSpace) { + return targetMatrix.copy(this.spaces[sourceColorSpace].toXYZ).multiply(this.spaces[targetColorSpace].fromXYZ); + }, + _getDrawingBufferColorSpace: function(colorSpace) { + return this.spaces[colorSpace].outputColorSpaceConfig.drawingBufferColorSpace; + }, + _getUnpackColorSpace: function(colorSpace = this.workingColorSpace) { + return this.spaces[colorSpace].workingColorSpaceConfig.unpackColorSpace; + }, + // Deprecated + fromWorkingColorSpace: function(color, targetColorSpace) { + warnOnce("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."); + return ColorManagement2.workingToColorSpace(color, targetColorSpace); + }, + toWorkingColorSpace: function(color, sourceColorSpace) { + warnOnce("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."); + return ColorManagement2.colorSpaceToWorking(color, sourceColorSpace); + } + }; + const REC709_PRIMARIES = [0.64, 0.33, 0.3, 0.6, 0.15, 0.06]; + const REC709_LUMINANCE_COEFFICIENTS = [0.2126, 0.7152, 0.0722]; + const D65 = [0.3127, 0.329]; + ColorManagement2.define({ + [LinearSRGBColorSpace]: { + primaries: REC709_PRIMARIES, + whitePoint: D65, + transfer: LinearTransfer, + toXYZ: LINEAR_REC709_TO_XYZ, + fromXYZ: XYZ_TO_LINEAR_REC709, + luminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS, + workingColorSpaceConfig: { unpackColorSpace: SRGBColorSpace }, + outputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace } + }, + [SRGBColorSpace]: { + primaries: REC709_PRIMARIES, + whitePoint: D65, + transfer: SRGBTransfer, + toXYZ: LINEAR_REC709_TO_XYZ, + fromXYZ: XYZ_TO_LINEAR_REC709, + luminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS, + outputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace } + } + }); + return ColorManagement2; +} +var ColorManagement = createColorManagement(); +function SRGBToLinear(c) { + return c < 0.04045 ? c * 0.0773993808 : Math.pow(c * 0.9478672986 + 0.0521327014, 2.4); +} +function LinearToSRGB(c) { + return c < 31308e-7 ? c * 12.92 : 1.055 * Math.pow(c, 0.41666) - 0.055; +} +var _canvas; +var ImageUtils = class { + /** + * Returns a data URI containing a representation of the given image. + * + * @param {(HTMLImageElement|HTMLCanvasElement)} image - The image object. + * @param {string} [type='image/png'] - Indicates the image format. + * @return {string} The data URI. + */ + static getDataURL(image, type = "image/png") { + if (/^data:/i.test(image.src)) { + return image.src; + } + if (typeof HTMLCanvasElement === "undefined") { + return image.src; + } + let canvas; + if (image instanceof HTMLCanvasElement) { + canvas = image; + } else { + if (_canvas === void 0) _canvas = createElementNS("canvas"); + _canvas.width = image.width; + _canvas.height = image.height; + const context = _canvas.getContext("2d"); + if (image instanceof ImageData) { + context.putImageData(image, 0, 0); + } else { + context.drawImage(image, 0, 0, image.width, image.height); + } + canvas = _canvas; + } + return canvas.toDataURL(type); + } + /** + * Converts the given sRGB image data to linear color space. + * + * @param {(HTMLImageElement|HTMLCanvasElement|ImageBitmap|Object)} image - The image object. + * @return {HTMLCanvasElement|Object} The converted image. + */ + static sRGBToLinear(image) { + if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement || typeof HTMLCanvasElement !== "undefined" && image instanceof HTMLCanvasElement || typeof ImageBitmap !== "undefined" && image instanceof ImageBitmap) { + const canvas = createElementNS("canvas"); + canvas.width = image.width; + canvas.height = image.height; + const context = canvas.getContext("2d"); + context.drawImage(image, 0, 0, image.width, image.height); + const imageData = context.getImageData(0, 0, image.width, image.height); + const data = imageData.data; + for (let i = 0; i < data.length; i++) { + data[i] = SRGBToLinear(data[i] / 255) * 255; + } + context.putImageData(imageData, 0, 0); + return canvas; + } else if (image.data) { + const data = image.data.slice(0); + for (let i = 0; i < data.length; i++) { + if (data instanceof Uint8Array || data instanceof Uint8ClampedArray) { + data[i] = Math.floor(SRGBToLinear(data[i] / 255) * 255); + } else { + data[i] = SRGBToLinear(data[i]); + } + } + return { + data, + width: image.width, + height: image.height + }; + } else { + warn("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."); + return image; + } + } +}; +var _sourceId = 0; +var Source = class { + /** + * Constructs a new video texture. + * + * @param {any} [data=null] - The data definition of a texture. + */ + constructor(data = null) { + this.isSource = true; + Object.defineProperty(this, "id", { value: _sourceId++ }); + this.uuid = generateUUID(); + this.data = data; + this.dataReady = true; + this.version = 0; + } + /** + * Returns the dimensions of the source into the given target vector. + * + * @param {(Vector2|Vector3)} target - The target object the result is written into. + * @return {(Vector2|Vector3)} The dimensions of the source. + */ + getSize(target) { + const data = this.data; + if (typeof HTMLVideoElement !== "undefined" && data instanceof HTMLVideoElement) { + target.set(data.videoWidth, data.videoHeight, 0); + } else if (data instanceof VideoFrame) { + target.set(data.displayHeight, data.displayWidth, 0); + } else if (data !== null) { + target.set(data.width, data.height, data.depth || 0); + } else { + target.set(0, 0, 0); + } + return target; + } + /** + * When the property is set to `true`, the engine allocates the memory + * for the texture (if necessary) and triggers the actual texture upload + * to the GPU next time the source is used. + * + * @type {boolean} + * @default false + * @param {boolean} value + */ + set needsUpdate(value) { + if (value === true) this.version++; + } + /** + * Serializes the source into JSON. + * + * @param {?(Object|string)} meta - An optional value holding meta information about the serialization. + * @return {Object} A JSON object representing the serialized source. + * @see {@link ObjectLoader#parse} + */ + toJSON(meta) { + const isRootObject = meta === void 0 || typeof meta === "string"; + if (!isRootObject && meta.images[this.uuid] !== void 0) { + return meta.images[this.uuid]; + } + const output = { + uuid: this.uuid, + url: "" + }; + const data = this.data; + if (data !== null) { + let url; + if (Array.isArray(data)) { + url = []; + for (let i = 0, l = data.length; i < l; i++) { + if (data[i].isDataTexture) { + url.push(serializeImage(data[i].image)); + } else { + url.push(serializeImage(data[i])); + } + } + } else { + url = serializeImage(data); + } + output.url = url; + } + if (!isRootObject) { + meta.images[this.uuid] = output; + } + return output; + } +}; +function serializeImage(image) { + if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement || typeof HTMLCanvasElement !== "undefined" && image instanceof HTMLCanvasElement || typeof ImageBitmap !== "undefined" && image instanceof ImageBitmap) { + return ImageUtils.getDataURL(image); + } else { + if (image.data) { + return { + data: Array.from(image.data), + width: image.width, + height: image.height, + type: image.data.constructor.name + }; + } else { + warn("Texture: Unable to serialize Texture."); + return {}; + } + } +} +var _textureId = 0; +var _tempVec3 = new Vector3(); +var Texture = class _Texture extends EventDispatcher { + /** + * Constructs a new texture. + * + * @param {?Object} [image=Texture.DEFAULT_IMAGE] - The image holding the texture data. + * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping. + * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value. + * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value. + * @param {number} [magFilter=LinearFilter] - The mag filter value. + * @param {number} [minFilter=LinearMipmapLinearFilter] - The min filter value. + * @param {number} [format=RGBAFormat] - The texture format. + * @param {number} [type=UnsignedByteType] - The texture type. + * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value. + * @param {string} [colorSpace=NoColorSpace] - The color space. + */ + constructor(image = _Texture.DEFAULT_IMAGE, mapping = _Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = _Texture.DEFAULT_ANISOTROPY, colorSpace = NoColorSpace) { + super(); + this.isTexture = true; + Object.defineProperty(this, "id", { value: _textureId++ }); + this.uuid = generateUUID(); + this.name = ""; + this.source = new Source(image); + this.mipmaps = []; + this.mapping = mapping; + this.channel = 0; + this.wrapS = wrapS; + this.wrapT = wrapT; + this.magFilter = magFilter; + this.minFilter = minFilter; + this.anisotropy = anisotropy; + this.format = format; + this.internalFormat = null; + this.type = type; + this.offset = new Vector2(0, 0); + this.repeat = new Vector2(1, 1); + this.center = new Vector2(0, 0); + this.rotation = 0; + this.matrixAutoUpdate = true; + this.matrix = new Matrix3(); + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; + this.colorSpace = colorSpace; + this.userData = {}; + this.updateRanges = []; + this.version = 0; + this.onUpdate = null; + this.renderTarget = null; + this.isRenderTargetTexture = false; + this.isArrayTexture = image && image.depth && image.depth > 1 ? true : false; + this.pmremVersion = 0; + } + /** + * The width of the texture in pixels. + */ + get width() { + return this.source.getSize(_tempVec3).x; + } + /** + * The height of the texture in pixels. + */ + get height() { + return this.source.getSize(_tempVec3).y; + } + /** + * The depth of the texture in pixels. + */ + get depth() { + return this.source.getSize(_tempVec3).z; + } + /** + * The image object holding the texture data. + * + * @type {?Object} + */ + get image() { + return this.source.data; + } + set image(value = null) { + this.source.data = value; + } + /** + * Updates the texture transformation matrix from the from the properties {@link Texture#offset}, + * {@link Texture#repeat}, {@link Texture#rotation}, and {@link Texture#center}. + */ + updateMatrix() { + this.matrix.setUvTransform(this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y); + } + /** + * Adds a range of data in the data texture to be updated on the GPU. + * + * @param {number} start - Position at which to start update. + * @param {number} count - The number of components to update. + */ + addUpdateRange(start, count) { + this.updateRanges.push({ start, count }); + } + /** + * Clears the update ranges. + */ + clearUpdateRanges() { + this.updateRanges.length = 0; + } + /** + * Returns a new texture with copied values from this instance. + * + * @return {Texture} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Copies the values of the given texture to this instance. + * + * @param {Texture} source - The texture to copy. + * @return {Texture} A reference to this instance. + */ + copy(source) { + this.name = source.name; + this.source = source.source; + this.mipmaps = source.mipmaps.slice(0); + this.mapping = source.mapping; + this.channel = source.channel; + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; + this.anisotropy = source.anisotropy; + this.format = source.format; + this.internalFormat = source.internalFormat; + this.type = source.type; + this.offset.copy(source.offset); + this.repeat.copy(source.repeat); + this.center.copy(source.center); + this.rotation = source.rotation; + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrix.copy(source.matrix); + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.colorSpace = source.colorSpace; + this.renderTarget = source.renderTarget; + this.isRenderTargetTexture = source.isRenderTargetTexture; + this.isArrayTexture = source.isArrayTexture; + this.userData = JSON.parse(JSON.stringify(source.userData)); + this.needsUpdate = true; + return this; + } + /** + * Sets this texture's properties based on `values`. + * @param {Object} values - A container with texture parameters. + */ + setValues(values) { + for (const key in values) { + const newValue = values[key]; + if (newValue === void 0) { + warn(`Texture.setValues(): parameter '${key}' has value of undefined.`); + continue; + } + const currentValue = this[key]; + if (currentValue === void 0) { + warn(`Texture.setValues(): property '${key}' does not exist.`); + continue; + } + if (currentValue && newValue && (currentValue.isVector2 && newValue.isVector2)) { + currentValue.copy(newValue); + } else if (currentValue && newValue && (currentValue.isVector3 && newValue.isVector3)) { + currentValue.copy(newValue); + } else if (currentValue && newValue && (currentValue.isMatrix3 && newValue.isMatrix3)) { + currentValue.copy(newValue); + } else { + this[key] = newValue; + } + } + } + /** + * Serializes the texture into JSON. + * + * @param {?(Object|string)} meta - An optional value holding meta information about the serialization. + * @return {Object} A JSON object representing the serialized texture. + * @see {@link ObjectLoader#parse} + */ + toJSON(meta) { + const isRootObject = meta === void 0 || typeof meta === "string"; + if (!isRootObject && meta.textures[this.uuid] !== void 0) { + return meta.textures[this.uuid]; + } + const output = { + metadata: { + version: 4.7, + type: "Texture", + generator: "Texture.toJSON" + }, + uuid: this.uuid, + name: this.name, + image: this.source.toJSON(meta).uuid, + mapping: this.mapping, + channel: this.channel, + repeat: [this.repeat.x, this.repeat.y], + offset: [this.offset.x, this.offset.y], + center: [this.center.x, this.center.y], + rotation: this.rotation, + wrap: [this.wrapS, this.wrapT], + format: this.format, + internalFormat: this.internalFormat, + type: this.type, + colorSpace: this.colorSpace, + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, + flipY: this.flipY, + generateMipmaps: this.generateMipmaps, + premultiplyAlpha: this.premultiplyAlpha, + unpackAlignment: this.unpackAlignment + }; + if (Object.keys(this.userData).length > 0) output.userData = this.userData; + if (!isRootObject) { + meta.textures[this.uuid] = output; + } + return output; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + * + * @fires Texture#dispose + */ + dispose() { + this.dispatchEvent({ type: "dispose" }); + } + /** + * Transforms the given uv vector with the textures uv transformation matrix. + * + * @param {Vector2} uv - The uv vector. + * @return {Vector2} The transformed uv vector. + */ + transformUv(uv) { + if (this.mapping !== UVMapping) return uv; + uv.applyMatrix3(this.matrix); + if (uv.x < 0 || uv.x > 1) { + switch (this.wrapS) { + case RepeatWrapping: + uv.x = uv.x - Math.floor(uv.x); + break; + case ClampToEdgeWrapping: + uv.x = uv.x < 0 ? 0 : 1; + break; + case MirroredRepeatWrapping: + if (Math.abs(Math.floor(uv.x) % 2) === 1) { + uv.x = Math.ceil(uv.x) - uv.x; + } else { + uv.x = uv.x - Math.floor(uv.x); + } + break; + } + } + if (uv.y < 0 || uv.y > 1) { + switch (this.wrapT) { + case RepeatWrapping: + uv.y = uv.y - Math.floor(uv.y); + break; + case ClampToEdgeWrapping: + uv.y = uv.y < 0 ? 0 : 1; + break; + case MirroredRepeatWrapping: + if (Math.abs(Math.floor(uv.y) % 2) === 1) { + uv.y = Math.ceil(uv.y) - uv.y; + } else { + uv.y = uv.y - Math.floor(uv.y); + } + break; + } + } + if (this.flipY) { + uv.y = 1 - uv.y; + } + return uv; + } + /** + * Setting this property to `true` indicates the engine the texture + * must be updated in the next render. This triggers a texture upload + * to the GPU and ensures correct texture parameter configuration. + * + * @type {boolean} + * @default false + * @param {boolean} value + */ + set needsUpdate(value) { + if (value === true) { + this.version++; + this.source.needsUpdate = true; + } + } + /** + * Setting this property to `true` indicates the engine the PMREM + * must be regenerated. + * + * @type {boolean} + * @default false + * @param {boolean} value + */ + set needsPMREMUpdate(value) { + if (value === true) { + this.pmremVersion++; + } + } +}; +Texture.DEFAULT_IMAGE = null; +Texture.DEFAULT_MAPPING = UVMapping; +Texture.DEFAULT_ANISOTROPY = 1; +var Vector4 = class _Vector4 { + /** + * Constructs a new 4D vector. + * + * @param {number} [x=0] - The x value of this vector. + * @param {number} [y=0] - The y value of this vector. + * @param {number} [z=0] - The z value of this vector. + * @param {number} [w=1] - The w value of this vector. + */ + constructor(x = 0, y = 0, z = 0, w = 1) { + _Vector4.prototype.isVector4 = true; + this.x = x; + this.y = y; + this.z = z; + this.w = w; + } + /** + * Alias for {@link Vector4#z}. + * + * @type {number} + */ + get width() { + return this.z; + } + set width(value) { + this.z = value; + } + /** + * Alias for {@link Vector4#w}. + * + * @type {number} + */ + get height() { + return this.w; + } + set height(value) { + this.w = value; + } + /** + * Sets the vector components. + * + * @param {number} x - The value of the x component. + * @param {number} y - The value of the y component. + * @param {number} z - The value of the z component. + * @param {number} w - The value of the w component. + * @return {Vector4} A reference to this vector. + */ + set(x, y, z, w) { + this.x = x; + this.y = y; + this.z = z; + this.w = w; + return this; + } + /** + * Sets the vector components to the same value. + * + * @param {number} scalar - The value to set for all vector components. + * @return {Vector4} A reference to this vector. + */ + setScalar(scalar) { + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; + return this; + } + /** + * Sets the vector's x component to the given value + * + * @param {number} x - The value to set. + * @return {Vector4} A reference to this vector. + */ + setX(x) { + this.x = x; + return this; + } + /** + * Sets the vector's y component to the given value + * + * @param {number} y - The value to set. + * @return {Vector4} A reference to this vector. + */ + setY(y) { + this.y = y; + return this; + } + /** + * Sets the vector's z component to the given value + * + * @param {number} z - The value to set. + * @return {Vector4} A reference to this vector. + */ + setZ(z) { + this.z = z; + return this; + } + /** + * Sets the vector's w component to the given value + * + * @param {number} w - The value to set. + * @return {Vector4} A reference to this vector. + */ + setW(w) { + this.w = w; + return this; + } + /** + * Allows to set a vector component with an index. + * + * @param {number} index - The component index. `0` equals to x, `1` equals to y, + * `2` equals to z, `3` equals to w. + * @param {number} value - The value to set. + * @return {Vector4} A reference to this vector. + */ + setComponent(index, value) { + switch (index) { + case 0: + this.x = value; + break; + case 1: + this.y = value; + break; + case 2: + this.z = value; + break; + case 3: + this.w = value; + break; + default: + throw new Error("index is out of range: " + index); + } + return this; + } + /** + * Returns the value of the vector component which matches the given index. + * + * @param {number} index - The component index. `0` equals to x, `1` equals to y, + * `2` equals to z, `3` equals to w. + * @return {number} A vector component value. + */ + getComponent(index) { + switch (index) { + case 0: + return this.x; + case 1: + return this.y; + case 2: + return this.z; + case 3: + return this.w; + default: + throw new Error("index is out of range: " + index); + } + } + /** + * Returns a new vector with copied values from this instance. + * + * @return {Vector4} A clone of this instance. + */ + clone() { + return new this.constructor(this.x, this.y, this.z, this.w); + } + /** + * Copies the values of the given vector to this instance. + * + * @param {Vector3|Vector4} v - The vector to copy. + * @return {Vector4} A reference to this vector. + */ + copy(v) { + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = v.w !== void 0 ? v.w : 1; + return this; + } + /** + * Adds the given vector to this instance. + * + * @param {Vector4} v - The vector to add. + * @return {Vector4} A reference to this vector. + */ + add(v) { + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; + return this; + } + /** + * Adds the given scalar value to all components of this instance. + * + * @param {number} s - The scalar to add. + * @return {Vector4} A reference to this vector. + */ + addScalar(s) { + this.x += s; + this.y += s; + this.z += s; + this.w += s; + return this; + } + /** + * Adds the given vectors and stores the result in this instance. + * + * @param {Vector4} a - The first vector. + * @param {Vector4} b - The second vector. + * @return {Vector4} A reference to this vector. + */ + addVectors(a, b) { + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; + return this; + } + /** + * Adds the given vector scaled by the given factor to this instance. + * + * @param {Vector4} v - The vector. + * @param {number} s - The factor that scales `v`. + * @return {Vector4} A reference to this vector. + */ + addScaledVector(v, s) { + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; + return this; + } + /** + * Subtracts the given vector from this instance. + * + * @param {Vector4} v - The vector to subtract. + * @return {Vector4} A reference to this vector. + */ + sub(v) { + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; + return this; + } + /** + * Subtracts the given scalar value from all components of this instance. + * + * @param {number} s - The scalar to subtract. + * @return {Vector4} A reference to this vector. + */ + subScalar(s) { + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; + return this; + } + /** + * Subtracts the given vectors and stores the result in this instance. + * + * @param {Vector4} a - The first vector. + * @param {Vector4} b - The second vector. + * @return {Vector4} A reference to this vector. + */ + subVectors(a, b) { + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; + return this; + } + /** + * Multiplies the given vector with this instance. + * + * @param {Vector4} v - The vector to multiply. + * @return {Vector4} A reference to this vector. + */ + multiply(v) { + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + this.w *= v.w; + return this; + } + /** + * Multiplies the given scalar value with all components of this instance. + * + * @param {number} scalar - The scalar to multiply. + * @return {Vector4} A reference to this vector. + */ + multiplyScalar(scalar) { + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; + return this; + } + /** + * Multiplies this vector with the given 4x4 matrix. + * + * @param {Matrix4} m - The 4x4 matrix. + * @return {Vector4} A reference to this vector. + */ + applyMatrix4(m) { + const x = this.x, y = this.y, z = this.z, w = this.w; + const e = m.elements; + this.x = e[0] * x + e[4] * y + e[8] * z + e[12] * w; + this.y = e[1] * x + e[5] * y + e[9] * z + e[13] * w; + this.z = e[2] * x + e[6] * y + e[10] * z + e[14] * w; + this.w = e[3] * x + e[7] * y + e[11] * z + e[15] * w; + return this; + } + /** + * Divides this instance by the given vector. + * + * @param {Vector4} v - The vector to divide. + * @return {Vector4} A reference to this vector. + */ + divide(v) { + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + this.w /= v.w; + return this; + } + /** + * Divides this vector by the given scalar. + * + * @param {number} scalar - The scalar to divide. + * @return {Vector4} A reference to this vector. + */ + divideScalar(scalar) { + return this.multiplyScalar(1 / scalar); + } + /** + * Sets the x, y and z components of this + * vector to the quaternion's axis and w to the angle. + * + * @param {Quaternion} q - The Quaternion to set. + * @return {Vector4} A reference to this vector. + */ + setAxisAngleFromQuaternion(q) { + this.w = 2 * Math.acos(q.w); + const s = Math.sqrt(1 - q.w * q.w); + if (s < 1e-4) { + this.x = 1; + this.y = 0; + this.z = 0; + } else { + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; + } + return this; + } + /** + * Sets the x, y and z components of this + * vector to the axis of rotation and w to the angle. + * + * @param {Matrix4} m - A 4x4 matrix of which the upper left 3x3 matrix is a pure rotation matrix. + * @return {Vector4} A reference to this vector. + */ + setAxisAngleFromRotationMatrix(m) { + let angle, x, y, z; + const epsilon = 0.01, epsilon2 = 0.1, te = m.elements, m11 = te[0], m12 = te[4], m13 = te[8], m21 = te[1], m22 = te[5], m23 = te[9], m31 = te[2], m32 = te[6], m33 = te[10]; + if (Math.abs(m12 - m21) < epsilon && Math.abs(m13 - m31) < epsilon && Math.abs(m23 - m32) < epsilon) { + if (Math.abs(m12 + m21) < epsilon2 && Math.abs(m13 + m31) < epsilon2 && Math.abs(m23 + m32) < epsilon2 && Math.abs(m11 + m22 + m33 - 3) < epsilon2) { + this.set(1, 0, 0, 0); + return this; + } + angle = Math.PI; + const xx = (m11 + 1) / 2; + const yy = (m22 + 1) / 2; + const zz = (m33 + 1) / 2; + const xy = (m12 + m21) / 4; + const xz = (m13 + m31) / 4; + const yz = (m23 + m32) / 4; + if (xx > yy && xx > zz) { + if (xx < epsilon) { + x = 0; + y = 0.707106781; + z = 0.707106781; + } else { + x = Math.sqrt(xx); + y = xy / x; + z = xz / x; + } + } else if (yy > zz) { + if (yy < epsilon) { + x = 0.707106781; + y = 0; + z = 0.707106781; + } else { + y = Math.sqrt(yy); + x = xy / y; + z = yz / y; + } + } else { + if (zz < epsilon) { + x = 0.707106781; + y = 0.707106781; + z = 0; + } else { + z = Math.sqrt(zz); + x = xz / z; + y = yz / z; + } + } + this.set(x, y, z, angle); + return this; + } + let s = Math.sqrt((m32 - m23) * (m32 - m23) + (m13 - m31) * (m13 - m31) + (m21 - m12) * (m21 - m12)); + if (Math.abs(s) < 1e-3) s = 1; + this.x = (m32 - m23) / s; + this.y = (m13 - m31) / s; + this.z = (m21 - m12) / s; + this.w = Math.acos((m11 + m22 + m33 - 1) / 2); + return this; + } + /** + * Sets the vector components to the position elements of the + * given transformation matrix. + * + * @param {Matrix4} m - The 4x4 matrix. + * @return {Vector4} A reference to this vector. + */ + setFromMatrixPosition(m) { + const e = m.elements; + this.x = e[12]; + this.y = e[13]; + this.z = e[14]; + this.w = e[15]; + return this; + } + /** + * If this vector's x, y, z or w value is greater than the given vector's x, y, z or w + * value, replace that value with the corresponding min value. + * + * @param {Vector4} v - The vector. + * @return {Vector4} A reference to this vector. + */ + min(v) { + this.x = Math.min(this.x, v.x); + this.y = Math.min(this.y, v.y); + this.z = Math.min(this.z, v.z); + this.w = Math.min(this.w, v.w); + return this; + } + /** + * If this vector's x, y, z or w value is less than the given vector's x, y, z or w + * value, replace that value with the corresponding max value. + * + * @param {Vector4} v - The vector. + * @return {Vector4} A reference to this vector. + */ + max(v) { + this.x = Math.max(this.x, v.x); + this.y = Math.max(this.y, v.y); + this.z = Math.max(this.z, v.z); + this.w = Math.max(this.w, v.w); + return this; + } + /** + * If this vector's x, y, z or w value is greater than the max vector's x, y, z or w + * value, it is replaced by the corresponding value. + * If this vector's x, y, z or w value is less than the min vector's x, y, z or w value, + * it is replaced by the corresponding value. + * + * @param {Vector4} min - The minimum x, y and z values. + * @param {Vector4} max - The maximum x, y and z values in the desired range. + * @return {Vector4} A reference to this vector. + */ + clamp(min, max) { + this.x = clamp(this.x, min.x, max.x); + this.y = clamp(this.y, min.y, max.y); + this.z = clamp(this.z, min.z, max.z); + this.w = clamp(this.w, min.w, max.w); + return this; + } + /** + * If this vector's x, y, z or w values are greater than the max value, they are + * replaced by the max value. + * If this vector's x, y, z or w values are less than the min value, they are + * replaced by the min value. + * + * @param {number} minVal - The minimum value the components will be clamped to. + * @param {number} maxVal - The maximum value the components will be clamped to. + * @return {Vector4} A reference to this vector. + */ + clampScalar(minVal, maxVal) { + this.x = clamp(this.x, minVal, maxVal); + this.y = clamp(this.y, minVal, maxVal); + this.z = clamp(this.z, minVal, maxVal); + this.w = clamp(this.w, minVal, maxVal); + return this; + } + /** + * If this vector's length is greater than the max value, it is replaced by + * the max value. + * If this vector's length is less than the min value, it is replaced by the + * min value. + * + * @param {number} min - The minimum value the vector length will be clamped to. + * @param {number} max - The maximum value the vector length will be clamped to. + * @return {Vector4} A reference to this vector. + */ + clampLength(min, max) { + const length = this.length(); + return this.divideScalar(length || 1).multiplyScalar(clamp(length, min, max)); + } + /** + * The components of this vector are rounded down to the nearest integer value. + * + * @return {Vector4} A reference to this vector. + */ + floor() { + this.x = Math.floor(this.x); + this.y = Math.floor(this.y); + this.z = Math.floor(this.z); + this.w = Math.floor(this.w); + return this; + } + /** + * The components of this vector are rounded up to the nearest integer value. + * + * @return {Vector4} A reference to this vector. + */ + ceil() { + this.x = Math.ceil(this.x); + this.y = Math.ceil(this.y); + this.z = Math.ceil(this.z); + this.w = Math.ceil(this.w); + return this; + } + /** + * The components of this vector are rounded to the nearest integer value + * + * @return {Vector4} A reference to this vector. + */ + round() { + this.x = Math.round(this.x); + this.y = Math.round(this.y); + this.z = Math.round(this.z); + this.w = Math.round(this.w); + return this; + } + /** + * The components of this vector are rounded towards zero (up if negative, + * down if positive) to an integer value. + * + * @return {Vector4} A reference to this vector. + */ + roundToZero() { + this.x = Math.trunc(this.x); + this.y = Math.trunc(this.y); + this.z = Math.trunc(this.z); + this.w = Math.trunc(this.w); + return this; + } + /** + * Inverts this vector - i.e. sets x = -x, y = -y, z = -z, w = -w. + * + * @return {Vector4} A reference to this vector. + */ + negate() { + this.x = -this.x; + this.y = -this.y; + this.z = -this.z; + this.w = -this.w; + return this; + } + /** + * Calculates the dot product of the given vector with this instance. + * + * @param {Vector4} v - The vector to compute the dot product with. + * @return {number} The result of the dot product. + */ + dot(v) { + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + } + /** + * Computes the square of the Euclidean length (straight-line length) from + * (0, 0, 0, 0) to (x, y, z, w). If you are comparing the lengths of vectors, you should + * compare the length squared instead as it is slightly more efficient to calculate. + * + * @return {number} The square length of this vector. + */ + lengthSq() { + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + } + /** + * Computes the Euclidean length (straight-line length) from (0, 0, 0, 0) to (x, y, z, w). + * + * @return {number} The length of this vector. + */ + length() { + return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w); + } + /** + * Computes the Manhattan length of this vector. + * + * @return {number} The length of this vector. + */ + manhattanLength() { + return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z) + Math.abs(this.w); + } + /** + * Converts this vector to a unit vector - that is, sets it equal to a vector + * with the same direction as this one, but with a vector length of `1`. + * + * @return {Vector4} A reference to this vector. + */ + normalize() { + return this.divideScalar(this.length() || 1); + } + /** + * Sets this vector to a vector with the same direction as this one, but + * with the specified length. + * + * @param {number} length - The new length of this vector. + * @return {Vector4} A reference to this vector. + */ + setLength(length) { + return this.normalize().multiplyScalar(length); + } + /** + * Linearly interpolates between the given vector and this instance, where + * alpha is the percent distance along the line - alpha = 0 will be this + * vector, and alpha = 1 will be the given one. + * + * @param {Vector4} v - The vector to interpolate towards. + * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`. + * @return {Vector4} A reference to this vector. + */ + lerp(v, alpha) { + this.x += (v.x - this.x) * alpha; + this.y += (v.y - this.y) * alpha; + this.z += (v.z - this.z) * alpha; + this.w += (v.w - this.w) * alpha; + return this; + } + /** + * Linearly interpolates between the given vectors, where alpha is the percent + * distance along the line - alpha = 0 will be first vector, and alpha = 1 will + * be the second one. The result is stored in this instance. + * + * @param {Vector4} v1 - The first vector. + * @param {Vector4} v2 - The second vector. + * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`. + * @return {Vector4} A reference to this vector. + */ + lerpVectors(v1, v2, alpha) { + this.x = v1.x + (v2.x - v1.x) * alpha; + this.y = v1.y + (v2.y - v1.y) * alpha; + this.z = v1.z + (v2.z - v1.z) * alpha; + this.w = v1.w + (v2.w - v1.w) * alpha; + return this; + } + /** + * Returns `true` if this vector is equal with the given one. + * + * @param {Vector4} v - The vector to test for equality. + * @return {boolean} Whether this vector is equal with the given one. + */ + equals(v) { + return v.x === this.x && v.y === this.y && v.z === this.z && v.w === this.w; + } + /** + * Sets this vector's x value to be `array[ offset ]`, y value to be `array[ offset + 1 ]`, + * z value to be `array[ offset + 2 ]`, w value to be `array[ offset + 3 ]`. + * + * @param {Array} array - An array holding the vector component values. + * @param {number} [offset=0] - The offset into the array. + * @return {Vector4} A reference to this vector. + */ + fromArray(array, offset = 0) { + this.x = array[offset]; + this.y = array[offset + 1]; + this.z = array[offset + 2]; + this.w = array[offset + 3]; + return this; + } + /** + * Writes the components of this vector to the given array. If no array is provided, + * the method returns a new instance. + * + * @param {Array} [array=[]] - The target array holding the vector components. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Array} The vector components. + */ + toArray(array = [], offset = 0) { + array[offset] = this.x; + array[offset + 1] = this.y; + array[offset + 2] = this.z; + array[offset + 3] = this.w; + return array; + } + /** + * Sets the components of this vector from the given buffer attribute. + * + * @param {BufferAttribute} attribute - The buffer attribute holding vector data. + * @param {number} index - The index into the attribute. + * @return {Vector4} A reference to this vector. + */ + fromBufferAttribute(attribute, index) { + this.x = attribute.getX(index); + this.y = attribute.getY(index); + this.z = attribute.getZ(index); + this.w = attribute.getW(index); + return this; + } + /** + * Sets each component of this vector to a pseudo-random value between `0` and + * `1`, excluding `1`. + * + * @return {Vector4} A reference to this vector. + */ + random() { + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + this.w = Math.random(); + return this; + } + *[Symbol.iterator]() { + yield this.x; + yield this.y; + yield this.z; + yield this.w; + } +}; +var RenderTarget = class extends EventDispatcher { + /** + * Render target options. + * + * @typedef {Object} RenderTarget~Options + * @property {boolean} [generateMipmaps=false] - Whether to generate mipmaps or not. + * @property {number} [magFilter=LinearFilter] - The mag filter. + * @property {number} [minFilter=LinearFilter] - The min filter. + * @property {number} [format=RGBAFormat] - The texture format. + * @property {number} [type=UnsignedByteType] - The texture type. + * @property {?string} [internalFormat=null] - The texture's internal format. + * @property {number} [wrapS=ClampToEdgeWrapping] - The texture's uv wrapping mode. + * @property {number} [wrapT=ClampToEdgeWrapping] - The texture's uv wrapping mode. + * @property {number} [anisotropy=1] - The texture's anisotropy value. + * @property {string} [colorSpace=NoColorSpace] - The texture's color space. + * @property {boolean} [depthBuffer=true] - Whether to allocate a depth buffer or not. + * @property {boolean} [stencilBuffer=false] - Whether to allocate a stencil buffer or not. + * @property {boolean} [resolveDepthBuffer=true] - Whether to resolve the depth buffer or not. + * @property {boolean} [resolveStencilBuffer=true] - Whether to resolve the stencil buffer or not. + * @property {?Texture} [depthTexture=null] - Reference to a depth texture. + * @property {number} [samples=0] - The MSAA samples count. + * @property {number} [count=1] - Defines the number of color attachments . Must be at least `1`. + * @property {number} [depth=1] - The texture depth. + * @property {boolean} [multiview=false] - Whether this target is used for multiview rendering. + */ + /** + * Constructs a new render target. + * + * @param {number} [width=1] - The width of the render target. + * @param {number} [height=1] - The height of the render target. + * @param {RenderTarget~Options} [options] - The configuration object. + */ + constructor(width = 1, height = 1, options = {}) { + super(); + options = Object.assign({ + generateMipmaps: false, + internalFormat: null, + minFilter: LinearFilter, + depthBuffer: true, + stencilBuffer: false, + resolveDepthBuffer: true, + resolveStencilBuffer: true, + depthTexture: null, + samples: 0, + count: 1, + depth: 1, + multiview: false + }, options); + this.isRenderTarget = true; + this.width = width; + this.height = height; + this.depth = options.depth; + this.scissor = new Vector4(0, 0, width, height); + this.scissorTest = false; + this.viewport = new Vector4(0, 0, width, height); + const image = { width, height, depth: options.depth }; + const texture = new Texture(image); + this.textures = []; + const count = options.count; + for (let i = 0; i < count; i++) { + this.textures[i] = texture.clone(); + this.textures[i].isRenderTargetTexture = true; + this.textures[i].renderTarget = this; + } + this._setTextureOptions(options); + this.depthBuffer = options.depthBuffer; + this.stencilBuffer = options.stencilBuffer; + this.resolveDepthBuffer = options.resolveDepthBuffer; + this.resolveStencilBuffer = options.resolveStencilBuffer; + this._depthTexture = null; + this.depthTexture = options.depthTexture; + this.samples = options.samples; + this.multiview = options.multiview; + } + _setTextureOptions(options = {}) { + const values = { + minFilter: LinearFilter, + generateMipmaps: false, + flipY: false, + internalFormat: null + }; + if (options.mapping !== void 0) values.mapping = options.mapping; + if (options.wrapS !== void 0) values.wrapS = options.wrapS; + if (options.wrapT !== void 0) values.wrapT = options.wrapT; + if (options.wrapR !== void 0) values.wrapR = options.wrapR; + if (options.magFilter !== void 0) values.magFilter = options.magFilter; + if (options.minFilter !== void 0) values.minFilter = options.minFilter; + if (options.format !== void 0) values.format = options.format; + if (options.type !== void 0) values.type = options.type; + if (options.anisotropy !== void 0) values.anisotropy = options.anisotropy; + if (options.colorSpace !== void 0) values.colorSpace = options.colorSpace; + if (options.flipY !== void 0) values.flipY = options.flipY; + if (options.generateMipmaps !== void 0) values.generateMipmaps = options.generateMipmaps; + if (options.internalFormat !== void 0) values.internalFormat = options.internalFormat; + for (let i = 0; i < this.textures.length; i++) { + const texture = this.textures[i]; + texture.setValues(values); + } + } + /** + * The texture representing the default color attachment. + * + * @type {Texture} + */ + get texture() { + return this.textures[0]; + } + set texture(value) { + this.textures[0] = value; + } + set depthTexture(current) { + if (this._depthTexture !== null) this._depthTexture.renderTarget = null; + if (current !== null) current.renderTarget = this; + this._depthTexture = current; + } + /** + * Instead of saving the depth in a renderbuffer, a texture + * can be used instead which is useful for further processing + * e.g. in context of post-processing. + * + * @type {?DepthTexture} + * @default null + */ + get depthTexture() { + return this._depthTexture; + } + /** + * Sets the size of this render target. + * + * @param {number} width - The width. + * @param {number} height - The height. + * @param {number} [depth=1] - The depth. + */ + setSize(width, height, depth = 1) { + if (this.width !== width || this.height !== height || this.depth !== depth) { + this.width = width; + this.height = height; + this.depth = depth; + for (let i = 0, il = this.textures.length; i < il; i++) { + this.textures[i].image.width = width; + this.textures[i].image.height = height; + this.textures[i].image.depth = depth; + if (this.textures[i].isData3DTexture !== true) { + this.textures[i].isArrayTexture = this.textures[i].image.depth > 1; + } + } + this.dispose(); + } + this.viewport.set(0, 0, width, height); + this.scissor.set(0, 0, width, height); + } + /** + * Returns a new render target with copied values from this instance. + * + * @return {RenderTarget} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Copies the settings of the given render target. This is a structural copy so + * no resources are shared between render targets after the copy. That includes + * all MRT textures and the depth texture. + * + * @param {RenderTarget} source - The render target to copy. + * @return {RenderTarget} A reference to this instance. + */ + copy(source) { + this.width = source.width; + this.height = source.height; + this.depth = source.depth; + this.scissor.copy(source.scissor); + this.scissorTest = source.scissorTest; + this.viewport.copy(source.viewport); + this.textures.length = 0; + for (let i = 0, il = source.textures.length; i < il; i++) { + this.textures[i] = source.textures[i].clone(); + this.textures[i].isRenderTargetTexture = true; + this.textures[i].renderTarget = this; + const image = Object.assign({}, source.textures[i].image); + this.textures[i].source = new Source(image); + } + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + this.resolveDepthBuffer = source.resolveDepthBuffer; + this.resolveStencilBuffer = source.resolveStencilBuffer; + if (source.depthTexture !== null) this.depthTexture = source.depthTexture.clone(); + this.samples = source.samples; + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + * + * @fires RenderTarget#dispose + */ + dispose() { + this.dispatchEvent({ type: "dispose" }); + } +}; +var WebGLRenderTarget = class extends RenderTarget { + /** + * Constructs a new 3D render target. + * + * @param {number} [width=1] - The width of the render target. + * @param {number} [height=1] - The height of the render target. + * @param {RenderTarget~Options} [options] - The configuration object. + */ + constructor(width = 1, height = 1, options = {}) { + super(width, height, options); + this.isWebGLRenderTarget = true; + } +}; +var DataArrayTexture = class extends Texture { + /** + * Constructs a new data array texture. + * + * @param {?TypedArray} [data=null] - The buffer data. + * @param {number} [width=1] - The width of the texture. + * @param {number} [height=1] - The height of the texture. + * @param {number} [depth=1] - The depth of the texture. + */ + constructor(data = null, width = 1, height = 1, depth = 1) { + super(null); + this.isDataArrayTexture = true; + this.image = { data, width, height, depth }; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.wrapR = ClampToEdgeWrapping; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + this.layerUpdates = /* @__PURE__ */ new Set(); + } + /** + * Describes that a specific layer of the texture needs to be updated. + * Normally when {@link Texture#needsUpdate} is set to `true`, the + * entire data texture array is sent to the GPU. Marking specific + * layers will only transmit subsets of all mipmaps associated with a + * specific depth in the array which is often much more performant. + * + * @param {number} layerIndex - The layer index that should be updated. + */ + addLayerUpdate(layerIndex) { + this.layerUpdates.add(layerIndex); + } + /** + * Resets the layer updates registry. + */ + clearLayerUpdates() { + this.layerUpdates.clear(); + } +}; +var WebGLArrayRenderTarget = class extends WebGLRenderTarget { + /** + * Constructs a new array render target. + * + * @param {number} [width=1] - The width of the render target. + * @param {number} [height=1] - The height of the render target. + * @param {number} [depth=1] - The height of the render target. + * @param {RenderTarget~Options} [options] - The configuration object. + */ + constructor(width = 1, height = 1, depth = 1, options = {}) { + super(width, height, options); + this.isWebGLArrayRenderTarget = true; + this.depth = depth; + this.texture = new DataArrayTexture(null, width, height, depth); + this._setTextureOptions(options); + this.texture.isRenderTargetTexture = true; + } +}; +var Data3DTexture = class extends Texture { + /** + * Constructs a new data array texture. + * + * @param {?TypedArray} [data=null] - The buffer data. + * @param {number} [width=1] - The width of the texture. + * @param {number} [height=1] - The height of the texture. + * @param {number} [depth=1] - The depth of the texture. + */ + constructor(data = null, width = 1, height = 1, depth = 1) { + super(null); + this.isData3DTexture = true; + this.image = { data, width, height, depth }; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.wrapR = ClampToEdgeWrapping; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + } +}; +var WebGL3DRenderTarget = class extends WebGLRenderTarget { + /** + * Constructs a new 3D render target. + * + * @param {number} [width=1] - The width of the render target. + * @param {number} [height=1] - The height of the render target. + * @param {number} [depth=1] - The height of the render target. + * @param {RenderTarget~Options} [options] - The configuration object. + */ + constructor(width = 1, height = 1, depth = 1, options = {}) { + super(width, height, options); + this.isWebGL3DRenderTarget = true; + this.depth = depth; + this.texture = new Data3DTexture(null, width, height, depth); + this._setTextureOptions(options); + this.texture.isRenderTargetTexture = true; + } +}; +var Box3 = class { + /** + * Constructs a new bounding box. + * + * @param {Vector3} [min=(Infinity,Infinity,Infinity)] - A vector representing the lower boundary of the box. + * @param {Vector3} [max=(-Infinity,-Infinity,-Infinity)] - A vector representing the upper boundary of the box. + */ + constructor(min = new Vector3(Infinity, Infinity, Infinity), max = new Vector3(-Infinity, -Infinity, -Infinity)) { + this.isBox3 = true; + this.min = min; + this.max = max; + } + /** + * Sets the lower and upper boundaries of this box. + * Please note that this method only copies the values from the given objects. + * + * @param {Vector3} min - The lower boundary of the box. + * @param {Vector3} max - The upper boundary of the box. + * @return {Box3} A reference to this bounding box. + */ + set(min, max) { + this.min.copy(min); + this.max.copy(max); + return this; + } + /** + * Sets the upper and lower bounds of this box so it encloses the position data + * in the given array. + * + * @param {Array} array - An array holding 3D position data. + * @return {Box3} A reference to this bounding box. + */ + setFromArray(array) { + this.makeEmpty(); + for (let i = 0, il = array.length; i < il; i += 3) { + this.expandByPoint(_vector$b.fromArray(array, i)); + } + return this; + } + /** + * Sets the upper and lower bounds of this box so it encloses the position data + * in the given buffer attribute. + * + * @param {BufferAttribute} attribute - A buffer attribute holding 3D position data. + * @return {Box3} A reference to this bounding box. + */ + setFromBufferAttribute(attribute) { + this.makeEmpty(); + for (let i = 0, il = attribute.count; i < il; i++) { + this.expandByPoint(_vector$b.fromBufferAttribute(attribute, i)); + } + return this; + } + /** + * Sets the upper and lower bounds of this box so it encloses the position data + * in the given array. + * + * @param {Array} points - An array holding 3D position data as instances of {@link Vector3}. + * @return {Box3} A reference to this bounding box. + */ + setFromPoints(points) { + this.makeEmpty(); + for (let i = 0, il = points.length; i < il; i++) { + this.expandByPoint(points[i]); + } + return this; + } + /** + * Centers this box on the given center vector and sets this box's width, height and + * depth to the given size values. + * + * @param {Vector3} center - The center of the box. + * @param {Vector3} size - The x, y and z dimensions of the box. + * @return {Box3} A reference to this bounding box. + */ + setFromCenterAndSize(center, size) { + const halfSize = _vector$b.copy(size).multiplyScalar(0.5); + this.min.copy(center).sub(halfSize); + this.max.copy(center).add(halfSize); + return this; + } + /** + * Computes the world-axis-aligned bounding box for the given 3D object + * (including its children), accounting for the object's, and children's, + * world transforms. The function may result in a larger box than strictly necessary. + * + * @param {Object3D} object - The 3D object to compute the bounding box for. + * @param {boolean} [precise=false] - If set to `true`, the method computes the smallest + * world-axis-aligned bounding box at the expense of more computation. + * @return {Box3} A reference to this bounding box. + */ + setFromObject(object, precise = false) { + this.makeEmpty(); + return this.expandByObject(object, precise); + } + /** + * Returns a new box with copied values from this instance. + * + * @return {Box3} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Copies the values of the given box to this instance. + * + * @param {Box3} box - The box to copy. + * @return {Box3} A reference to this bounding box. + */ + copy(box) { + this.min.copy(box.min); + this.max.copy(box.max); + return this; + } + /** + * Makes this box empty which means in encloses a zero space in 3D. + * + * @return {Box3} A reference to this bounding box. + */ + makeEmpty() { + this.min.x = this.min.y = this.min.z = Infinity; + this.max.x = this.max.y = this.max.z = -Infinity; + return this; + } + /** + * Returns true if this box includes zero points within its bounds. + * Note that a box with equal lower and upper bounds still includes one + * point, the one both bounds share. + * + * @return {boolean} Whether this box is empty or not. + */ + isEmpty() { + return this.max.x < this.min.x || this.max.y < this.min.y || this.max.z < this.min.z; + } + /** + * Returns the center point of this box. + * + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The center point. + */ + getCenter(target) { + return this.isEmpty() ? target.set(0, 0, 0) : target.addVectors(this.min, this.max).multiplyScalar(0.5); + } + /** + * Returns the dimensions of this box. + * + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The size. + */ + getSize(target) { + return this.isEmpty() ? target.set(0, 0, 0) : target.subVectors(this.max, this.min); + } + /** + * Expands the boundaries of this box to include the given point. + * + * @param {Vector3} point - The point that should be included by the bounding box. + * @return {Box3} A reference to this bounding box. + */ + expandByPoint(point) { + this.min.min(point); + this.max.max(point); + return this; + } + /** + * Expands this box equilaterally by the given vector. The width of this + * box will be expanded by the x component of the vector in both + * directions. The height of this box will be expanded by the y component of + * the vector in both directions. The depth of this box will be + * expanded by the z component of the vector in both directions. + * + * @param {Vector3} vector - The vector that should expand the bounding box. + * @return {Box3} A reference to this bounding box. + */ + expandByVector(vector) { + this.min.sub(vector); + this.max.add(vector); + return this; + } + /** + * Expands each dimension of the box by the given scalar. If negative, the + * dimensions of the box will be contracted. + * + * @param {number} scalar - The scalar value that should expand the bounding box. + * @return {Box3} A reference to this bounding box. + */ + expandByScalar(scalar) { + this.min.addScalar(-scalar); + this.max.addScalar(scalar); + return this; + } + /** + * Expands the boundaries of this box to include the given 3D object and + * its children, accounting for the object's, and children's, world + * transforms. The function may result in a larger box than strictly + * necessary (unless the precise parameter is set to true). + * + * @param {Object3D} object - The 3D object that should expand the bounding box. + * @param {boolean} precise - If set to `true`, the method expands the bounding box + * as little as necessary at the expense of more computation. + * @return {Box3} A reference to this bounding box. + */ + expandByObject(object, precise = false) { + object.updateWorldMatrix(false, false); + const geometry = object.geometry; + if (geometry !== void 0) { + const positionAttribute = geometry.getAttribute("position"); + if (precise === true && positionAttribute !== void 0 && object.isInstancedMesh !== true) { + for (let i = 0, l = positionAttribute.count; i < l; i++) { + if (object.isMesh === true) { + object.getVertexPosition(i, _vector$b); + } else { + _vector$b.fromBufferAttribute(positionAttribute, i); + } + _vector$b.applyMatrix4(object.matrixWorld); + this.expandByPoint(_vector$b); + } + } else { + if (object.boundingBox !== void 0) { + if (object.boundingBox === null) { + object.computeBoundingBox(); + } + _box$4.copy(object.boundingBox); + } else { + if (geometry.boundingBox === null) { + geometry.computeBoundingBox(); + } + _box$4.copy(geometry.boundingBox); + } + _box$4.applyMatrix4(object.matrixWorld); + this.union(_box$4); + } + } + const children = object.children; + for (let i = 0, l = children.length; i < l; i++) { + this.expandByObject(children[i], precise); + } + return this; + } + /** + * Returns `true` if the given point lies within or on the boundaries of this box. + * + * @param {Vector3} point - The point to test. + * @return {boolean} Whether the bounding box contains the given point or not. + */ + containsPoint(point) { + return point.x >= this.min.x && point.x <= this.max.x && point.y >= this.min.y && point.y <= this.max.y && point.z >= this.min.z && point.z <= this.max.z; + } + /** + * Returns `true` if this bounding box includes the entirety of the given bounding box. + * If this box and the given one are identical, this function also returns `true`. + * + * @param {Box3} box - The bounding box to test. + * @return {boolean} Whether the bounding box contains the given bounding box or not. + */ + containsBox(box) { + return this.min.x <= box.min.x && box.max.x <= this.max.x && this.min.y <= box.min.y && box.max.y <= this.max.y && this.min.z <= box.min.z && box.max.z <= this.max.z; + } + /** + * Returns a point as a proportion of this box's width, height and depth. + * + * @param {Vector3} point - A point in 3D space. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} A point as a proportion of this box's width, height and depth. + */ + getParameter(point, target) { + return target.set( + (point.x - this.min.x) / (this.max.x - this.min.x), + (point.y - this.min.y) / (this.max.y - this.min.y), + (point.z - this.min.z) / (this.max.z - this.min.z) + ); + } + /** + * Returns `true` if the given bounding box intersects with this bounding box. + * + * @param {Box3} box - The bounding box to test. + * @return {boolean} Whether the given bounding box intersects with this bounding box. + */ + intersectsBox(box) { + return box.max.x >= this.min.x && box.min.x <= this.max.x && box.max.y >= this.min.y && box.min.y <= this.max.y && box.max.z >= this.min.z && box.min.z <= this.max.z; + } + /** + * Returns `true` if the given bounding sphere intersects with this bounding box. + * + * @param {Sphere} sphere - The bounding sphere to test. + * @return {boolean} Whether the given bounding sphere intersects with this bounding box. + */ + intersectsSphere(sphere) { + this.clampPoint(sphere.center, _vector$b); + return _vector$b.distanceToSquared(sphere.center) <= sphere.radius * sphere.radius; + } + /** + * Returns `true` if the given plane intersects with this bounding box. + * + * @param {Plane} plane - The plane to test. + * @return {boolean} Whether the given plane intersects with this bounding box. + */ + intersectsPlane(plane) { + let min, max; + if (plane.normal.x > 0) { + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; + } else { + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; + } + if (plane.normal.y > 0) { + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; + } else { + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; + } + if (plane.normal.z > 0) { + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; + } else { + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; + } + return min <= -plane.constant && max >= -plane.constant; + } + /** + * Returns `true` if the given triangle intersects with this bounding box. + * + * @param {Triangle} triangle - The triangle to test. + * @return {boolean} Whether the given triangle intersects with this bounding box. + */ + intersectsTriangle(triangle) { + if (this.isEmpty()) { + return false; + } + this.getCenter(_center); + _extents.subVectors(this.max, _center); + _v0$2.subVectors(triangle.a, _center); + _v1$7.subVectors(triangle.b, _center); + _v2$4.subVectors(triangle.c, _center); + _f0.subVectors(_v1$7, _v0$2); + _f1.subVectors(_v2$4, _v1$7); + _f2.subVectors(_v0$2, _v2$4); + let axes = [ + 0, + -_f0.z, + _f0.y, + 0, + -_f1.z, + _f1.y, + 0, + -_f2.z, + _f2.y, + _f0.z, + 0, + -_f0.x, + _f1.z, + 0, + -_f1.x, + _f2.z, + 0, + -_f2.x, + -_f0.y, + _f0.x, + 0, + -_f1.y, + _f1.x, + 0, + -_f2.y, + _f2.x, + 0 + ]; + if (!satForAxes(axes, _v0$2, _v1$7, _v2$4, _extents)) { + return false; + } + axes = [1, 0, 0, 0, 1, 0, 0, 0, 1]; + if (!satForAxes(axes, _v0$2, _v1$7, _v2$4, _extents)) { + return false; + } + _triangleNormal.crossVectors(_f0, _f1); + axes = [_triangleNormal.x, _triangleNormal.y, _triangleNormal.z]; + return satForAxes(axes, _v0$2, _v1$7, _v2$4, _extents); + } + /** + * Clamps the given point within the bounds of this box. + * + * @param {Vector3} point - The point to clamp. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The clamped point. + */ + clampPoint(point, target) { + return target.copy(point).clamp(this.min, this.max); + } + /** + * Returns the euclidean distance from any edge of this box to the specified point. If + * the given point lies inside of this box, the distance will be `0`. + * + * @param {Vector3} point - The point to compute the distance to. + * @return {number} The euclidean distance. + */ + distanceToPoint(point) { + return this.clampPoint(point, _vector$b).distanceTo(point); + } + /** + * Returns a bounding sphere that encloses this bounding box. + * + * @param {Sphere} target - The target sphere that is used to store the method's result. + * @return {Sphere} The bounding sphere that encloses this bounding box. + */ + getBoundingSphere(target) { + if (this.isEmpty()) { + target.makeEmpty(); + } else { + this.getCenter(target.center); + target.radius = this.getSize(_vector$b).length() * 0.5; + } + return target; + } + /** + * Computes the intersection of this bounding box and the given one, setting the upper + * bound of this box to the lesser of the two boxes' upper bounds and the + * lower bound of this box to the greater of the two boxes' lower bounds. If + * there's no overlap, makes this box empty. + * + * @param {Box3} box - The bounding box to intersect with. + * @return {Box3} A reference to this bounding box. + */ + intersect(box) { + this.min.max(box.min); + this.max.min(box.max); + if (this.isEmpty()) this.makeEmpty(); + return this; + } + /** + * Computes the union of this box and another and the given one, setting the upper + * bound of this box to the greater of the two boxes' upper bounds and the + * lower bound of this box to the lesser of the two boxes' lower bounds. + * + * @param {Box3} box - The bounding box that will be unioned with this instance. + * @return {Box3} A reference to this bounding box. + */ + union(box) { + this.min.min(box.min); + this.max.max(box.max); + return this; + } + /** + * Transforms this bounding box by the given 4x4 transformation matrix. + * + * @param {Matrix4} matrix - The transformation matrix. + * @return {Box3} A reference to this bounding box. + */ + applyMatrix4(matrix) { + if (this.isEmpty()) return this; + _points[0].set(this.min.x, this.min.y, this.min.z).applyMatrix4(matrix); + _points[1].set(this.min.x, this.min.y, this.max.z).applyMatrix4(matrix); + _points[2].set(this.min.x, this.max.y, this.min.z).applyMatrix4(matrix); + _points[3].set(this.min.x, this.max.y, this.max.z).applyMatrix4(matrix); + _points[4].set(this.max.x, this.min.y, this.min.z).applyMatrix4(matrix); + _points[5].set(this.max.x, this.min.y, this.max.z).applyMatrix4(matrix); + _points[6].set(this.max.x, this.max.y, this.min.z).applyMatrix4(matrix); + _points[7].set(this.max.x, this.max.y, this.max.z).applyMatrix4(matrix); + this.setFromPoints(_points); + return this; + } + /** + * Adds the given offset to both the upper and lower bounds of this bounding box, + * effectively moving it in 3D space. + * + * @param {Vector3} offset - The offset that should be used to translate the bounding box. + * @return {Box3} A reference to this bounding box. + */ + translate(offset) { + this.min.add(offset); + this.max.add(offset); + return this; + } + /** + * Returns `true` if this bounding box is equal with the given one. + * + * @param {Box3} box - The box to test for equality. + * @return {boolean} Whether this bounding box is equal with the given one. + */ + equals(box) { + return box.min.equals(this.min) && box.max.equals(this.max); + } + /** + * Returns a serialized structure of the bounding box. + * + * @return {Object} Serialized structure with fields representing the object state. + */ + toJSON() { + return { + min: this.min.toArray(), + max: this.max.toArray() + }; + } + /** + * Returns a serialized structure of the bounding box. + * + * @param {Object} json - The serialized json to set the box from. + * @return {Box3} A reference to this bounding box. + */ + fromJSON(json) { + this.min.fromArray(json.min); + this.max.fromArray(json.max); + return this; + } +}; +var _points = [ + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3() +]; +var _vector$b = new Vector3(); +var _box$4 = new Box3(); +var _v0$2 = new Vector3(); +var _v1$7 = new Vector3(); +var _v2$4 = new Vector3(); +var _f0 = new Vector3(); +var _f1 = new Vector3(); +var _f2 = new Vector3(); +var _center = new Vector3(); +var _extents = new Vector3(); +var _triangleNormal = new Vector3(); +var _testAxis = new Vector3(); +function satForAxes(axes, v0, v1, v2, extents) { + for (let i = 0, j = axes.length - 3; i <= j; i += 3) { + _testAxis.fromArray(axes, i); + const r = extents.x * Math.abs(_testAxis.x) + extents.y * Math.abs(_testAxis.y) + extents.z * Math.abs(_testAxis.z); + const p0 = v0.dot(_testAxis); + const p1 = v1.dot(_testAxis); + const p2 = v2.dot(_testAxis); + if (Math.max(-Math.max(p0, p1, p2), Math.min(p0, p1, p2)) > r) { + return false; + } + } + return true; +} +var _box$3 = new Box3(); +var _v1$6 = new Vector3(); +var _v2$3 = new Vector3(); +var Sphere = class { + /** + * Constructs a new sphere. + * + * @param {Vector3} [center=(0,0,0)] - The center of the sphere + * @param {number} [radius=-1] - The radius of the sphere. + */ + constructor(center = new Vector3(), radius = -1) { + this.isSphere = true; + this.center = center; + this.radius = radius; + } + /** + * Sets the sphere's components by copying the given values. + * + * @param {Vector3} center - The center. + * @param {number} radius - The radius. + * @return {Sphere} A reference to this sphere. + */ + set(center, radius) { + this.center.copy(center); + this.radius = radius; + return this; + } + /** + * Computes the minimum bounding sphere for list of points. + * If the optional center point is given, it is used as the sphere's + * center. Otherwise, the center of the axis-aligned bounding box + * encompassing the points is calculated. + * + * @param {Array} points - A list of points in 3D space. + * @param {Vector3} [optionalCenter] - The center of the sphere. + * @return {Sphere} A reference to this sphere. + */ + setFromPoints(points, optionalCenter) { + const center = this.center; + if (optionalCenter !== void 0) { + center.copy(optionalCenter); + } else { + _box$3.setFromPoints(points).getCenter(center); + } + let maxRadiusSq = 0; + for (let i = 0, il = points.length; i < il; i++) { + maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(points[i])); + } + this.radius = Math.sqrt(maxRadiusSq); + return this; + } + /** + * Copies the values of the given sphere to this instance. + * + * @param {Sphere} sphere - The sphere to copy. + * @return {Sphere} A reference to this sphere. + */ + copy(sphere) { + this.center.copy(sphere.center); + this.radius = sphere.radius; + return this; + } + /** + * Returns `true` if the sphere is empty (the radius set to a negative number). + * + * Spheres with a radius of `0` contain only their center point and are not + * considered to be empty. + * + * @return {boolean} Whether this sphere is empty or not. + */ + isEmpty() { + return this.radius < 0; + } + /** + * Makes this sphere empty which means in encloses a zero space in 3D. + * + * @return {Sphere} A reference to this sphere. + */ + makeEmpty() { + this.center.set(0, 0, 0); + this.radius = -1; + return this; + } + /** + * Returns `true` if this sphere contains the given point inclusive of + * the surface of the sphere. + * + * @param {Vector3} point - The point to check. + * @return {boolean} Whether this sphere contains the given point or not. + */ + containsPoint(point) { + return point.distanceToSquared(this.center) <= this.radius * this.radius; + } + /** + * Returns the closest distance from the boundary of the sphere to the + * given point. If the sphere contains the point, the distance will + * be negative. + * + * @param {Vector3} point - The point to compute the distance to. + * @return {number} The distance to the point. + */ + distanceToPoint(point) { + return point.distanceTo(this.center) - this.radius; + } + /** + * Returns `true` if this sphere intersects with the given one. + * + * @param {Sphere} sphere - The sphere to test. + * @return {boolean} Whether this sphere intersects with the given one or not. + */ + intersectsSphere(sphere) { + const radiusSum = this.radius + sphere.radius; + return sphere.center.distanceToSquared(this.center) <= radiusSum * radiusSum; + } + /** + * Returns `true` if this sphere intersects with the given box. + * + * @param {Box3} box - The box to test. + * @return {boolean} Whether this sphere intersects with the given box or not. + */ + intersectsBox(box) { + return box.intersectsSphere(this); + } + /** + * Returns `true` if this sphere intersects with the given plane. + * + * @param {Plane} plane - The plane to test. + * @return {boolean} Whether this sphere intersects with the given plane or not. + */ + intersectsPlane(plane) { + return Math.abs(plane.distanceToPoint(this.center)) <= this.radius; + } + /** + * Clamps a point within the sphere. If the point is outside the sphere, it + * will clamp it to the closest point on the edge of the sphere. Points + * already inside the sphere will not be affected. + * + * @param {Vector3} point - The plane to clamp. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The clamped point. + */ + clampPoint(point, target) { + const deltaLengthSq = this.center.distanceToSquared(point); + target.copy(point); + if (deltaLengthSq > this.radius * this.radius) { + target.sub(this.center).normalize(); + target.multiplyScalar(this.radius).add(this.center); + } + return target; + } + /** + * Returns a bounding box that encloses this sphere. + * + * @param {Box3} target - The target box that is used to store the method's result. + * @return {Box3} The bounding box that encloses this sphere. + */ + getBoundingBox(target) { + if (this.isEmpty()) { + target.makeEmpty(); + return target; + } + target.set(this.center, this.center); + target.expandByScalar(this.radius); + return target; + } + /** + * Transforms this sphere with the given 4x4 transformation matrix. + * + * @param {Matrix4} matrix - The transformation matrix. + * @return {Sphere} A reference to this sphere. + */ + applyMatrix4(matrix) { + this.center.applyMatrix4(matrix); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); + return this; + } + /** + * Translates the sphere's center by the given offset. + * + * @param {Vector3} offset - The offset. + * @return {Sphere} A reference to this sphere. + */ + translate(offset) { + this.center.add(offset); + return this; + } + /** + * Expands the boundaries of this sphere to include the given point. + * + * @param {Vector3} point - The point to include. + * @return {Sphere} A reference to this sphere. + */ + expandByPoint(point) { + if (this.isEmpty()) { + this.center.copy(point); + this.radius = 0; + return this; + } + _v1$6.subVectors(point, this.center); + const lengthSq = _v1$6.lengthSq(); + if (lengthSq > this.radius * this.radius) { + const length = Math.sqrt(lengthSq); + const delta = (length - this.radius) * 0.5; + this.center.addScaledVector(_v1$6, delta / length); + this.radius += delta; + } + return this; + } + /** + * Expands this sphere to enclose both the original sphere and the given sphere. + * + * @param {Sphere} sphere - The sphere to include. + * @return {Sphere} A reference to this sphere. + */ + union(sphere) { + if (sphere.isEmpty()) { + return this; + } + if (this.isEmpty()) { + this.copy(sphere); + return this; + } + if (this.center.equals(sphere.center) === true) { + this.radius = Math.max(this.radius, sphere.radius); + } else { + _v2$3.subVectors(sphere.center, this.center).setLength(sphere.radius); + this.expandByPoint(_v1$6.copy(sphere.center).add(_v2$3)); + this.expandByPoint(_v1$6.copy(sphere.center).sub(_v2$3)); + } + return this; + } + /** + * Returns `true` if this sphere is equal with the given one. + * + * @param {Sphere} sphere - The sphere to test for equality. + * @return {boolean} Whether this bounding sphere is equal with the given one. + */ + equals(sphere) { + return sphere.center.equals(this.center) && sphere.radius === this.radius; + } + /** + * Returns a new sphere with copied values from this instance. + * + * @return {Sphere} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Returns a serialized structure of the bounding sphere. + * + * @return {Object} Serialized structure with fields representing the object state. + */ + toJSON() { + return { + radius: this.radius, + center: this.center.toArray() + }; + } + /** + * Returns a serialized structure of the bounding sphere. + * + * @param {Object} json - The serialized json to set the sphere from. + * @return {Box3} A reference to this bounding sphere. + */ + fromJSON(json) { + this.radius = json.radius; + this.center.fromArray(json.center); + return this; + } +}; +var _vector$a = new Vector3(); +var _segCenter = new Vector3(); +var _segDir = new Vector3(); +var _diff = new Vector3(); +var _edge1 = new Vector3(); +var _edge2 = new Vector3(); +var _normal$1 = new Vector3(); +var Ray = class { + /** + * Constructs a new ray. + * + * @param {Vector3} [origin=(0,0,0)] - The origin of the ray. + * @param {Vector3} [direction=(0,0,-1)] - The (normalized) direction of the ray. + */ + constructor(origin = new Vector3(), direction = new Vector3(0, 0, -1)) { + this.origin = origin; + this.direction = direction; + } + /** + * Sets the ray's components by copying the given values. + * + * @param {Vector3} origin - The origin. + * @param {Vector3} direction - The direction. + * @return {Ray} A reference to this ray. + */ + set(origin, direction) { + this.origin.copy(origin); + this.direction.copy(direction); + return this; + } + /** + * Copies the values of the given ray to this instance. + * + * @param {Ray} ray - The ray to copy. + * @return {Ray} A reference to this ray. + */ + copy(ray) { + this.origin.copy(ray.origin); + this.direction.copy(ray.direction); + return this; + } + /** + * Returns a vector that is located at a given distance along this ray. + * + * @param {number} t - The distance along the ray to retrieve a position for. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} A position on the ray. + */ + at(t, target) { + return target.copy(this.origin).addScaledVector(this.direction, t); + } + /** + * Adjusts the direction of the ray to point at the given vector in world space. + * + * @param {Vector3} v - The target position. + * @return {Ray} A reference to this ray. + */ + lookAt(v) { + this.direction.copy(v).sub(this.origin).normalize(); + return this; + } + /** + * Shift the origin of this ray along its direction by the given distance. + * + * @param {number} t - The distance along the ray to interpolate. + * @return {Ray} A reference to this ray. + */ + recast(t) { + this.origin.copy(this.at(t, _vector$a)); + return this; + } + /** + * Returns the point along this ray that is closest to the given point. + * + * @param {Vector3} point - A point in 3D space to get the closet location on the ray for. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The closest point on this ray. + */ + closestPointToPoint(point, target) { + target.subVectors(point, this.origin); + const directionDistance = target.dot(this.direction); + if (directionDistance < 0) { + return target.copy(this.origin); + } + return target.copy(this.origin).addScaledVector(this.direction, directionDistance); + } + /** + * Returns the distance of the closest approach between this ray and the given point. + * + * @param {Vector3} point - A point in 3D space to compute the distance to. + * @return {number} The distance. + */ + distanceToPoint(point) { + return Math.sqrt(this.distanceSqToPoint(point)); + } + /** + * Returns the squared distance of the closest approach between this ray and the given point. + * + * @param {Vector3} point - A point in 3D space to compute the distance to. + * @return {number} The squared distance. + */ + distanceSqToPoint(point) { + const directionDistance = _vector$a.subVectors(point, this.origin).dot(this.direction); + if (directionDistance < 0) { + return this.origin.distanceToSquared(point); + } + _vector$a.copy(this.origin).addScaledVector(this.direction, directionDistance); + return _vector$a.distanceToSquared(point); + } + /** + * Returns the squared distance between this ray and the given line segment. + * + * @param {Vector3} v0 - The start point of the line segment. + * @param {Vector3} v1 - The end point of the line segment. + * @param {Vector3} [optionalPointOnRay] - When provided, it receives the point on this ray that is closest to the segment. + * @param {Vector3} [optionalPointOnSegment] - When provided, it receives the point on the line segment that is closest to this ray. + * @return {number} The squared distance. + */ + distanceSqToSegment(v0, v1, optionalPointOnRay, optionalPointOnSegment) { + _segCenter.copy(v0).add(v1).multiplyScalar(0.5); + _segDir.copy(v1).sub(v0).normalize(); + _diff.copy(this.origin).sub(_segCenter); + const segExtent = v0.distanceTo(v1) * 0.5; + const a01 = -this.direction.dot(_segDir); + const b0 = _diff.dot(this.direction); + const b1 = -_diff.dot(_segDir); + const c = _diff.lengthSq(); + const det = Math.abs(1 - a01 * a01); + let s0, s1, sqrDist, extDet; + if (det > 0) { + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; + if (s0 >= 0) { + if (s1 >= -extDet) { + if (s1 <= extDet) { + const invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * (s0 + a01 * s1 + 2 * b0) + s1 * (a01 * s0 + s1 + 2 * b1) + c; + } else { + s1 = segExtent; + s0 = Math.max(0, -(a01 * s1 + b0)); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } + } else { + s1 = -segExtent; + s0 = Math.max(0, -(a01 * s1 + b0)); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } + } else { + if (s1 <= -extDet) { + s0 = Math.max(0, -(-a01 * segExtent + b0)); + s1 = s0 > 0 ? -segExtent : Math.min(Math.max(-segExtent, -b1), segExtent); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } else if (s1 <= extDet) { + s0 = 0; + s1 = Math.min(Math.max(-segExtent, -b1), segExtent); + sqrDist = s1 * (s1 + 2 * b1) + c; + } else { + s0 = Math.max(0, -(a01 * segExtent + b0)); + s1 = s0 > 0 ? segExtent : Math.min(Math.max(-segExtent, -b1), segExtent); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } + } + } else { + s1 = a01 > 0 ? -segExtent : segExtent; + s0 = Math.max(0, -(a01 * s1 + b0)); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } + if (optionalPointOnRay) { + optionalPointOnRay.copy(this.origin).addScaledVector(this.direction, s0); + } + if (optionalPointOnSegment) { + optionalPointOnSegment.copy(_segCenter).addScaledVector(_segDir, s1); + } + return sqrDist; + } + /** + * Intersects this ray with the given sphere, returning the intersection + * point or `null` if there is no intersection. + * + * @param {Sphere} sphere - The sphere to intersect. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The intersection point. + */ + intersectSphere(sphere, target) { + _vector$a.subVectors(sphere.center, this.origin); + const tca = _vector$a.dot(this.direction); + const d2 = _vector$a.dot(_vector$a) - tca * tca; + const radius2 = sphere.radius * sphere.radius; + if (d2 > radius2) return null; + const thc = Math.sqrt(radius2 - d2); + const t0 = tca - thc; + const t1 = tca + thc; + if (t1 < 0) return null; + if (t0 < 0) return this.at(t1, target); + return this.at(t0, target); + } + /** + * Returns `true` if this ray intersects with the given sphere. + * + * @param {Sphere} sphere - The sphere to intersect. + * @return {boolean} Whether this ray intersects with the given sphere or not. + */ + intersectsSphere(sphere) { + if (sphere.radius < 0) return false; + return this.distanceSqToPoint(sphere.center) <= sphere.radius * sphere.radius; + } + /** + * Computes the distance from the ray's origin to the given plane. Returns `null` if the ray + * does not intersect with the plane. + * + * @param {Plane} plane - The plane to compute the distance to. + * @return {?number} Whether this ray intersects with the given sphere or not. + */ + distanceToPlane(plane) { + const denominator = plane.normal.dot(this.direction); + if (denominator === 0) { + if (plane.distanceToPoint(this.origin) === 0) { + return 0; + } + return null; + } + const t = -(this.origin.dot(plane.normal) + plane.constant) / denominator; + return t >= 0 ? t : null; + } + /** + * Intersects this ray with the given plane, returning the intersection + * point or `null` if there is no intersection. + * + * @param {Plane} plane - The plane to intersect. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The intersection point. + */ + intersectPlane(plane, target) { + const t = this.distanceToPlane(plane); + if (t === null) { + return null; + } + return this.at(t, target); + } + /** + * Returns `true` if this ray intersects with the given plane. + * + * @param {Plane} plane - The plane to intersect. + * @return {boolean} Whether this ray intersects with the given plane or not. + */ + intersectsPlane(plane) { + const distToPoint = plane.distanceToPoint(this.origin); + if (distToPoint === 0) { + return true; + } + const denominator = plane.normal.dot(this.direction); + if (denominator * distToPoint < 0) { + return true; + } + return false; + } + /** + * Intersects this ray with the given bounding box, returning the intersection + * point or `null` if there is no intersection. + * + * @param {Box3} box - The box to intersect. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The intersection point. + */ + intersectBox(box, target) { + let tmin, tmax, tymin, tymax, tzmin, tzmax; + const invdirx = 1 / this.direction.x, invdiry = 1 / this.direction.y, invdirz = 1 / this.direction.z; + const origin = this.origin; + if (invdirx >= 0) { + tmin = (box.min.x - origin.x) * invdirx; + tmax = (box.max.x - origin.x) * invdirx; + } else { + tmin = (box.max.x - origin.x) * invdirx; + tmax = (box.min.x - origin.x) * invdirx; + } + if (invdiry >= 0) { + tymin = (box.min.y - origin.y) * invdiry; + tymax = (box.max.y - origin.y) * invdiry; + } else { + tymin = (box.max.y - origin.y) * invdiry; + tymax = (box.min.y - origin.y) * invdiry; + } + if (tmin > tymax || tymin > tmax) return null; + if (tymin > tmin || isNaN(tmin)) tmin = tymin; + if (tymax < tmax || isNaN(tmax)) tmax = tymax; + if (invdirz >= 0) { + tzmin = (box.min.z - origin.z) * invdirz; + tzmax = (box.max.z - origin.z) * invdirz; + } else { + tzmin = (box.max.z - origin.z) * invdirz; + tzmax = (box.min.z - origin.z) * invdirz; + } + if (tmin > tzmax || tzmin > tmax) return null; + if (tzmin > tmin || tmin !== tmin) tmin = tzmin; + if (tzmax < tmax || tmax !== tmax) tmax = tzmax; + if (tmax < 0) return null; + return this.at(tmin >= 0 ? tmin : tmax, target); + } + /** + * Returns `true` if this ray intersects with the given box. + * + * @param {Box3} box - The box to intersect. + * @return {boolean} Whether this ray intersects with the given box or not. + */ + intersectsBox(box) { + return this.intersectBox(box, _vector$a) !== null; + } + /** + * Intersects this ray with the given triangle, returning the intersection + * point or `null` if there is no intersection. + * + * @param {Vector3} a - The first vertex of the triangle. + * @param {Vector3} b - The second vertex of the triangle. + * @param {Vector3} c - The third vertex of the triangle. + * @param {boolean} backfaceCulling - Whether to use backface culling or not. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The intersection point. + */ + intersectTriangle(a, b, c, backfaceCulling, target) { + _edge1.subVectors(b, a); + _edge2.subVectors(c, a); + _normal$1.crossVectors(_edge1, _edge2); + let DdN = this.direction.dot(_normal$1); + let sign2; + if (DdN > 0) { + if (backfaceCulling) return null; + sign2 = 1; + } else if (DdN < 0) { + sign2 = -1; + DdN = -DdN; + } else { + return null; + } + _diff.subVectors(this.origin, a); + const DdQxE2 = sign2 * this.direction.dot(_edge2.crossVectors(_diff, _edge2)); + if (DdQxE2 < 0) { + return null; + } + const DdE1xQ = sign2 * this.direction.dot(_edge1.cross(_diff)); + if (DdE1xQ < 0) { + return null; + } + if (DdQxE2 + DdE1xQ > DdN) { + return null; + } + const QdN = -sign2 * _diff.dot(_normal$1); + if (QdN < 0) { + return null; + } + return this.at(QdN / DdN, target); + } + /** + * Transforms this ray with the given 4x4 transformation matrix. + * + * @param {Matrix4} matrix4 - The transformation matrix. + * @return {Ray} A reference to this ray. + */ + applyMatrix4(matrix4) { + this.origin.applyMatrix4(matrix4); + this.direction.transformDirection(matrix4); + return this; + } + /** + * Returns `true` if this ray is equal with the given one. + * + * @param {Ray} ray - The ray to test for equality. + * @return {boolean} Whether this ray is equal with the given one. + */ + equals(ray) { + return ray.origin.equals(this.origin) && ray.direction.equals(this.direction); + } + /** + * Returns a new ray with copied values from this instance. + * + * @return {Ray} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } +}; +var Matrix4 = class _Matrix4 { + /** + * Constructs a new 4x4 matrix. The arguments are supposed to be + * in row-major order. If no arguments are provided, the constructor + * initializes the matrix as an identity matrix. + * + * @param {number} [n11] - 1-1 matrix element. + * @param {number} [n12] - 1-2 matrix element. + * @param {number} [n13] - 1-3 matrix element. + * @param {number} [n14] - 1-4 matrix element. + * @param {number} [n21] - 2-1 matrix element. + * @param {number} [n22] - 2-2 matrix element. + * @param {number} [n23] - 2-3 matrix element. + * @param {number} [n24] - 2-4 matrix element. + * @param {number} [n31] - 3-1 matrix element. + * @param {number} [n32] - 3-2 matrix element. + * @param {number} [n33] - 3-3 matrix element. + * @param {number} [n34] - 3-4 matrix element. + * @param {number} [n41] - 4-1 matrix element. + * @param {number} [n42] - 4-2 matrix element. + * @param {number} [n43] - 4-3 matrix element. + * @param {number} [n44] - 4-4 matrix element. + */ + constructor(n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44) { + _Matrix4.prototype.isMatrix4 = true; + this.elements = [ + 1, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1 + ]; + if (n11 !== void 0) { + this.set(n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44); + } + } + /** + * Sets the elements of the matrix.The arguments are supposed to be + * in row-major order. + * + * @param {number} [n11] - 1-1 matrix element. + * @param {number} [n12] - 1-2 matrix element. + * @param {number} [n13] - 1-3 matrix element. + * @param {number} [n14] - 1-4 matrix element. + * @param {number} [n21] - 2-1 matrix element. + * @param {number} [n22] - 2-2 matrix element. + * @param {number} [n23] - 2-3 matrix element. + * @param {number} [n24] - 2-4 matrix element. + * @param {number} [n31] - 3-1 matrix element. + * @param {number} [n32] - 3-2 matrix element. + * @param {number} [n33] - 3-3 matrix element. + * @param {number} [n34] - 3-4 matrix element. + * @param {number} [n41] - 4-1 matrix element. + * @param {number} [n42] - 4-2 matrix element. + * @param {number} [n43] - 4-3 matrix element. + * @param {number} [n44] - 4-4 matrix element. + * @return {Matrix4} A reference to this matrix. + */ + set(n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44) { + const te = this.elements; + te[0] = n11; + te[4] = n12; + te[8] = n13; + te[12] = n14; + te[1] = n21; + te[5] = n22; + te[9] = n23; + te[13] = n24; + te[2] = n31; + te[6] = n32; + te[10] = n33; + te[14] = n34; + te[3] = n41; + te[7] = n42; + te[11] = n43; + te[15] = n44; + return this; + } + /** + * Sets this matrix to the 4x4 identity matrix. + * + * @return {Matrix4} A reference to this matrix. + */ + identity() { + this.set( + 1, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Returns a matrix with copied values from this instance. + * + * @return {Matrix4} A clone of this instance. + */ + clone() { + return new _Matrix4().fromArray(this.elements); + } + /** + * Copies the values of the given matrix to this instance. + * + * @param {Matrix4} m - The matrix to copy. + * @return {Matrix4} A reference to this matrix. + */ + copy(m) { + const te = this.elements; + const me = m.elements; + te[0] = me[0]; + te[1] = me[1]; + te[2] = me[2]; + te[3] = me[3]; + te[4] = me[4]; + te[5] = me[5]; + te[6] = me[6]; + te[7] = me[7]; + te[8] = me[8]; + te[9] = me[9]; + te[10] = me[10]; + te[11] = me[11]; + te[12] = me[12]; + te[13] = me[13]; + te[14] = me[14]; + te[15] = me[15]; + return this; + } + /** + * Copies the translation component of the given matrix + * into this matrix's translation component. + * + * @param {Matrix4} m - The matrix to copy the translation component. + * @return {Matrix4} A reference to this matrix. + */ + copyPosition(m) { + const te = this.elements, me = m.elements; + te[12] = me[12]; + te[13] = me[13]; + te[14] = me[14]; + return this; + } + /** + * Set the upper 3x3 elements of this matrix to the values of given 3x3 matrix. + * + * @param {Matrix3} m - The 3x3 matrix. + * @return {Matrix4} A reference to this matrix. + */ + setFromMatrix3(m) { + const me = m.elements; + this.set( + me[0], + me[3], + me[6], + 0, + me[1], + me[4], + me[7], + 0, + me[2], + me[5], + me[8], + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Extracts the basis of this matrix into the three axis vectors provided. + * + * @param {Vector3} xAxis - The basis's x axis. + * @param {Vector3} yAxis - The basis's y axis. + * @param {Vector3} zAxis - The basis's z axis. + * @return {Matrix4} A reference to this matrix. + */ + extractBasis(xAxis, yAxis, zAxis) { + xAxis.setFromMatrixColumn(this, 0); + yAxis.setFromMatrixColumn(this, 1); + zAxis.setFromMatrixColumn(this, 2); + return this; + } + /** + * Sets the given basis vectors to this matrix. + * + * @param {Vector3} xAxis - The basis's x axis. + * @param {Vector3} yAxis - The basis's y axis. + * @param {Vector3} zAxis - The basis's z axis. + * @return {Matrix4} A reference to this matrix. + */ + makeBasis(xAxis, yAxis, zAxis) { + this.set( + xAxis.x, + yAxis.x, + zAxis.x, + 0, + xAxis.y, + yAxis.y, + zAxis.y, + 0, + xAxis.z, + yAxis.z, + zAxis.z, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Extracts the rotation component of the given matrix + * into this matrix's rotation component. + * + * Note: This method does not support reflection matrices. + * + * @param {Matrix4} m - The matrix. + * @return {Matrix4} A reference to this matrix. + */ + extractRotation(m) { + const te = this.elements; + const me = m.elements; + const scaleX = 1 / _v1$5.setFromMatrixColumn(m, 0).length(); + const scaleY = 1 / _v1$5.setFromMatrixColumn(m, 1).length(); + const scaleZ = 1 / _v1$5.setFromMatrixColumn(m, 2).length(); + te[0] = me[0] * scaleX; + te[1] = me[1] * scaleX; + te[2] = me[2] * scaleX; + te[3] = 0; + te[4] = me[4] * scaleY; + te[5] = me[5] * scaleY; + te[6] = me[6] * scaleY; + te[7] = 0; + te[8] = me[8] * scaleZ; + te[9] = me[9] * scaleZ; + te[10] = me[10] * scaleZ; + te[11] = 0; + te[12] = 0; + te[13] = 0; + te[14] = 0; + te[15] = 1; + return this; + } + /** + * Sets the rotation component (the upper left 3x3 matrix) of this matrix to + * the rotation specified by the given Euler angles. The rest of + * the matrix is set to the identity. Depending on the {@link Euler#order}, + * there are six possible outcomes. See [this page](https://en.wikipedia.org/wiki/Euler_angles#Rotation_matrix) + * for a complete list. + * + * @param {Euler} euler - The Euler angles. + * @return {Matrix4} A reference to this matrix. + */ + makeRotationFromEuler(euler) { + const te = this.elements; + const x = euler.x, y = euler.y, z = euler.z; + const a = Math.cos(x), b = Math.sin(x); + const c = Math.cos(y), d = Math.sin(y); + const e = Math.cos(z), f = Math.sin(z); + if (euler.order === "XYZ") { + const ae = a * e, af = a * f, be = b * e, bf = b * f; + te[0] = c * e; + te[4] = -c * f; + te[8] = d; + te[1] = af + be * d; + te[5] = ae - bf * d; + te[9] = -b * c; + te[2] = bf - ae * d; + te[6] = be + af * d; + te[10] = a * c; + } else if (euler.order === "YXZ") { + const ce = c * e, cf = c * f, de = d * e, df = d * f; + te[0] = ce + df * b; + te[4] = de * b - cf; + te[8] = a * d; + te[1] = a * f; + te[5] = a * e; + te[9] = -b; + te[2] = cf * b - de; + te[6] = df + ce * b; + te[10] = a * c; + } else if (euler.order === "ZXY") { + const ce = c * e, cf = c * f, de = d * e, df = d * f; + te[0] = ce - df * b; + te[4] = -a * f; + te[8] = de + cf * b; + te[1] = cf + de * b; + te[5] = a * e; + te[9] = df - ce * b; + te[2] = -a * d; + te[6] = b; + te[10] = a * c; + } else if (euler.order === "ZYX") { + const ae = a * e, af = a * f, be = b * e, bf = b * f; + te[0] = c * e; + te[4] = be * d - af; + te[8] = ae * d + bf; + te[1] = c * f; + te[5] = bf * d + ae; + te[9] = af * d - be; + te[2] = -d; + te[6] = b * c; + te[10] = a * c; + } else if (euler.order === "YZX") { + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + te[0] = c * e; + te[4] = bd - ac * f; + te[8] = bc * f + ad; + te[1] = f; + te[5] = a * e; + te[9] = -b * e; + te[2] = -d * e; + te[6] = ad * f + bc; + te[10] = ac - bd * f; + } else if (euler.order === "XZY") { + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + te[0] = c * e; + te[4] = -f; + te[8] = d * e; + te[1] = ac * f + bd; + te[5] = a * e; + te[9] = ad * f - bc; + te[2] = bc * f - ad; + te[6] = b * e; + te[10] = bd * f + ac; + } + te[3] = 0; + te[7] = 0; + te[11] = 0; + te[12] = 0; + te[13] = 0; + te[14] = 0; + te[15] = 1; + return this; + } + /** + * Sets the rotation component of this matrix to the rotation specified by + * the given Quaternion as outlined [here](https://en.wikipedia.org/wiki/Rotation_matrix#Quaternion) + * The rest of the matrix is set to the identity. + * + * @param {Quaternion} q - The Quaternion. + * @return {Matrix4} A reference to this matrix. + */ + makeRotationFromQuaternion(q) { + return this.compose(_zero, q, _one); + } + /** + * Sets the rotation component of the transformation matrix, looking from `eye` towards + * `target`, and oriented by the up-direction. + * + * @param {Vector3} eye - The eye vector. + * @param {Vector3} target - The target vector. + * @param {Vector3} up - The up vector. + * @return {Matrix4} A reference to this matrix. + */ + lookAt(eye, target, up) { + const te = this.elements; + _z.subVectors(eye, target); + if (_z.lengthSq() === 0) { + _z.z = 1; + } + _z.normalize(); + _x.crossVectors(up, _z); + if (_x.lengthSq() === 0) { + if (Math.abs(up.z) === 1) { + _z.x += 1e-4; + } else { + _z.z += 1e-4; + } + _z.normalize(); + _x.crossVectors(up, _z); + } + _x.normalize(); + _y.crossVectors(_z, _x); + te[0] = _x.x; + te[4] = _y.x; + te[8] = _z.x; + te[1] = _x.y; + te[5] = _y.y; + te[9] = _z.y; + te[2] = _x.z; + te[6] = _y.z; + te[10] = _z.z; + return this; + } + /** + * Post-multiplies this matrix by the given 4x4 matrix. + * + * @param {Matrix4} m - The matrix to multiply with. + * @return {Matrix4} A reference to this matrix. + */ + multiply(m) { + return this.multiplyMatrices(this, m); + } + /** + * Pre-multiplies this matrix by the given 4x4 matrix. + * + * @param {Matrix4} m - The matrix to multiply with. + * @return {Matrix4} A reference to this matrix. + */ + premultiply(m) { + return this.multiplyMatrices(m, this); + } + /** + * Multiples the given 4x4 matrices and stores the result + * in this matrix. + * + * @param {Matrix4} a - The first matrix. + * @param {Matrix4} b - The second matrix. + * @return {Matrix4} A reference to this matrix. + */ + multiplyMatrices(a, b) { + const ae = a.elements; + const be = b.elements; + const te = this.elements; + const a11 = ae[0], a12 = ae[4], a13 = ae[8], a14 = ae[12]; + const a21 = ae[1], a22 = ae[5], a23 = ae[9], a24 = ae[13]; + const a31 = ae[2], a32 = ae[6], a33 = ae[10], a34 = ae[14]; + const a41 = ae[3], a42 = ae[7], a43 = ae[11], a44 = ae[15]; + const b11 = be[0], b12 = be[4], b13 = be[8], b14 = be[12]; + const b21 = be[1], b22 = be[5], b23 = be[9], b24 = be[13]; + const b31 = be[2], b32 = be[6], b33 = be[10], b34 = be[14]; + const b41 = be[3], b42 = be[7], b43 = be[11], b44 = be[15]; + te[0] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[4] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[8] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[12] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + te[1] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[5] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[9] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[13] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + te[2] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[6] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[10] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[14] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + te[3] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[7] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[11] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[15] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + return this; + } + /** + * Multiplies every component of the matrix by the given scalar. + * + * @param {number} s - The scalar. + * @return {Matrix4} A reference to this matrix. + */ + multiplyScalar(s) { + const te = this.elements; + te[0] *= s; + te[4] *= s; + te[8] *= s; + te[12] *= s; + te[1] *= s; + te[5] *= s; + te[9] *= s; + te[13] *= s; + te[2] *= s; + te[6] *= s; + te[10] *= s; + te[14] *= s; + te[3] *= s; + te[7] *= s; + te[11] *= s; + te[15] *= s; + return this; + } + /** + * Computes and returns the determinant of this matrix. + * + * Based on the method outlined [here](http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.html). + * + * @return {number} The determinant. + */ + determinant() { + const te = this.elements; + const n11 = te[0], n12 = te[4], n13 = te[8], n14 = te[12]; + const n21 = te[1], n22 = te[5], n23 = te[9], n24 = te[13]; + const n31 = te[2], n32 = te[6], n33 = te[10], n34 = te[14]; + const n41 = te[3], n42 = te[7], n43 = te[11], n44 = te[15]; + return n41 * (+n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34) + n42 * (+n11 * n23 * n34 - n11 * n24 * n33 + n14 * n21 * n33 - n13 * n21 * n34 + n13 * n24 * n31 - n14 * n23 * n31) + n43 * (+n11 * n24 * n32 - n11 * n22 * n34 - n14 * n21 * n32 + n12 * n21 * n34 + n14 * n22 * n31 - n12 * n24 * n31) + n44 * (-n13 * n22 * n31 - n11 * n23 * n32 + n11 * n22 * n33 + n13 * n21 * n32 - n12 * n21 * n33 + n12 * n23 * n31); + } + /** + * Transposes this matrix in place. + * + * @return {Matrix4} A reference to this matrix. + */ + transpose() { + const te = this.elements; + let tmp2; + tmp2 = te[1]; + te[1] = te[4]; + te[4] = tmp2; + tmp2 = te[2]; + te[2] = te[8]; + te[8] = tmp2; + tmp2 = te[6]; + te[6] = te[9]; + te[9] = tmp2; + tmp2 = te[3]; + te[3] = te[12]; + te[12] = tmp2; + tmp2 = te[7]; + te[7] = te[13]; + te[13] = tmp2; + tmp2 = te[11]; + te[11] = te[14]; + te[14] = tmp2; + return this; + } + /** + * Sets the position component for this matrix from the given vector, + * without affecting the rest of the matrix. + * + * @param {number|Vector3} x - The x component of the vector or alternatively the vector object. + * @param {number} y - The y component of the vector. + * @param {number} z - The z component of the vector. + * @return {Matrix4} A reference to this matrix. + */ + setPosition(x, y, z) { + const te = this.elements; + if (x.isVector3) { + te[12] = x.x; + te[13] = x.y; + te[14] = x.z; + } else { + te[12] = x; + te[13] = y; + te[14] = z; + } + return this; + } + /** + * Inverts this matrix, using the [analytic method](https://en.wikipedia.org/wiki/Invertible_matrix#Analytic_solution). + * You can not invert with a determinant of zero. If you attempt this, the method produces + * a zero matrix instead. + * + * @return {Matrix4} A reference to this matrix. + */ + invert() { + const te = this.elements, n11 = te[0], n21 = te[1], n31 = te[2], n41 = te[3], n12 = te[4], n22 = te[5], n32 = te[6], n42 = te[7], n13 = te[8], n23 = te[9], n33 = te[10], n43 = te[11], n14 = te[12], n24 = te[13], n34 = te[14], n44 = te[15], t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + const det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + if (det === 0) return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); + const detInv = 1 / det; + te[0] = t11 * detInv; + te[1] = (n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44) * detInv; + te[2] = (n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44) * detInv; + te[3] = (n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43) * detInv; + te[4] = t12 * detInv; + te[5] = (n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44) * detInv; + te[6] = (n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44) * detInv; + te[7] = (n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43) * detInv; + te[8] = t13 * detInv; + te[9] = (n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44) * detInv; + te[10] = (n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44) * detInv; + te[11] = (n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43) * detInv; + te[12] = t14 * detInv; + te[13] = (n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34) * detInv; + te[14] = (n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34) * detInv; + te[15] = (n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33) * detInv; + return this; + } + /** + * Multiplies the columns of this matrix by the given vector. + * + * @param {Vector3} v - The scale vector. + * @return {Matrix4} A reference to this matrix. + */ + scale(v) { + const te = this.elements; + const x = v.x, y = v.y, z = v.z; + te[0] *= x; + te[4] *= y; + te[8] *= z; + te[1] *= x; + te[5] *= y; + te[9] *= z; + te[2] *= x; + te[6] *= y; + te[10] *= z; + te[3] *= x; + te[7] *= y; + te[11] *= z; + return this; + } + /** + * Gets the maximum scale value of the three axes. + * + * @return {number} The maximum scale. + */ + getMaxScaleOnAxis() { + const te = this.elements; + const scaleXSq = te[0] * te[0] + te[1] * te[1] + te[2] * te[2]; + const scaleYSq = te[4] * te[4] + te[5] * te[5] + te[6] * te[6]; + const scaleZSq = te[8] * te[8] + te[9] * te[9] + te[10] * te[10]; + return Math.sqrt(Math.max(scaleXSq, scaleYSq, scaleZSq)); + } + /** + * Sets this matrix as a translation transform from the given vector. + * + * @param {number|Vector3} x - The amount to translate in the X axis or alternatively a translation vector. + * @param {number} y - The amount to translate in the Y axis. + * @param {number} z - The amount to translate in the z axis. + * @return {Matrix4} A reference to this matrix. + */ + makeTranslation(x, y, z) { + if (x.isVector3) { + this.set( + 1, + 0, + 0, + x.x, + 0, + 1, + 0, + x.y, + 0, + 0, + 1, + x.z, + 0, + 0, + 0, + 1 + ); + } else { + this.set( + 1, + 0, + 0, + x, + 0, + 1, + 0, + y, + 0, + 0, + 1, + z, + 0, + 0, + 0, + 1 + ); + } + return this; + } + /** + * Sets this matrix as a rotational transformation around the X axis by + * the given angle. + * + * @param {number} theta - The rotation in radians. + * @return {Matrix4} A reference to this matrix. + */ + makeRotationX(theta) { + const c = Math.cos(theta), s = Math.sin(theta); + this.set( + 1, + 0, + 0, + 0, + 0, + c, + -s, + 0, + 0, + s, + c, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Sets this matrix as a rotational transformation around the Y axis by + * the given angle. + * + * @param {number} theta - The rotation in radians. + * @return {Matrix4} A reference to this matrix. + */ + makeRotationY(theta) { + const c = Math.cos(theta), s = Math.sin(theta); + this.set( + c, + 0, + s, + 0, + 0, + 1, + 0, + 0, + -s, + 0, + c, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Sets this matrix as a rotational transformation around the Z axis by + * the given angle. + * + * @param {number} theta - The rotation in radians. + * @return {Matrix4} A reference to this matrix. + */ + makeRotationZ(theta) { + const c = Math.cos(theta), s = Math.sin(theta); + this.set( + c, + -s, + 0, + 0, + s, + c, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Sets this matrix as a rotational transformation around the given axis by + * the given angle. + * + * This is a somewhat controversial but mathematically sound alternative to + * rotating via Quaternions. See the discussion [here](https://www.gamedev.net/articles/programming/math-and-physics/do-we-really-need-quaternions-r1199). + * + * @param {Vector3} axis - The normalized rotation axis. + * @param {number} angle - The rotation in radians. + * @return {Matrix4} A reference to this matrix. + */ + makeRotationAxis(axis, angle) { + const c = Math.cos(angle); + const s = Math.sin(angle); + const t = 1 - c; + const x = axis.x, y = axis.y, z = axis.z; + const tx = t * x, ty = t * y; + this.set( + tx * x + c, + tx * y - s * z, + tx * z + s * y, + 0, + tx * y + s * z, + ty * y + c, + ty * z - s * x, + 0, + tx * z - s * y, + ty * z + s * x, + t * z * z + c, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Sets this matrix as a scale transformation. + * + * @param {number} x - The amount to scale in the X axis. + * @param {number} y - The amount to scale in the Y axis. + * @param {number} z - The amount to scale in the Z axis. + * @return {Matrix4} A reference to this matrix. + */ + makeScale(x, y, z) { + this.set( + x, + 0, + 0, + 0, + 0, + y, + 0, + 0, + 0, + 0, + z, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Sets this matrix as a shear transformation. + * + * @param {number} xy - The amount to shear X by Y. + * @param {number} xz - The amount to shear X by Z. + * @param {number} yx - The amount to shear Y by X. + * @param {number} yz - The amount to shear Y by Z. + * @param {number} zx - The amount to shear Z by X. + * @param {number} zy - The amount to shear Z by Y. + * @return {Matrix4} A reference to this matrix. + */ + makeShear(xy, xz, yx, yz, zx, zy) { + this.set( + 1, + yx, + zx, + 0, + xy, + 1, + zy, + 0, + xz, + yz, + 1, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + /** + * Sets this matrix to the transformation composed of the given position, + * rotation (Quaternion) and scale. + * + * @param {Vector3} position - The position vector. + * @param {Quaternion} quaternion - The rotation as a Quaternion. + * @param {Vector3} scale - The scale vector. + * @return {Matrix4} A reference to this matrix. + */ + compose(position, quaternion, scale) { + const te = this.elements; + const x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w; + const x2 = x + x, y2 = y + y, z2 = z + z; + const xx = x * x2, xy = x * y2, xz = x * z2; + const yy = y * y2, yz = y * z2, zz = z * z2; + const wx = w * x2, wy = w * y2, wz = w * z2; + const sx = scale.x, sy = scale.y, sz = scale.z; + te[0] = (1 - (yy + zz)) * sx; + te[1] = (xy + wz) * sx; + te[2] = (xz - wy) * sx; + te[3] = 0; + te[4] = (xy - wz) * sy; + te[5] = (1 - (xx + zz)) * sy; + te[6] = (yz + wx) * sy; + te[7] = 0; + te[8] = (xz + wy) * sz; + te[9] = (yz - wx) * sz; + te[10] = (1 - (xx + yy)) * sz; + te[11] = 0; + te[12] = position.x; + te[13] = position.y; + te[14] = position.z; + te[15] = 1; + return this; + } + /** + * Decomposes this matrix into its position, rotation and scale components + * and provides the result in the given objects. + * + * Note: Not all matrices are decomposable in this way. For example, if an + * object has a non-uniformly scaled parent, then the object's world matrix + * may not be decomposable, and this method may not be appropriate. + * + * @param {Vector3} position - The position vector. + * @param {Quaternion} quaternion - The rotation as a Quaternion. + * @param {Vector3} scale - The scale vector. + * @return {Matrix4} A reference to this matrix. + */ + decompose(position, quaternion, scale) { + const te = this.elements; + let sx = _v1$5.set(te[0], te[1], te[2]).length(); + const sy = _v1$5.set(te[4], te[5], te[6]).length(); + const sz = _v1$5.set(te[8], te[9], te[10]).length(); + const det = this.determinant(); + if (det < 0) sx = -sx; + position.x = te[12]; + position.y = te[13]; + position.z = te[14]; + _m1$2.copy(this); + const invSX = 1 / sx; + const invSY = 1 / sy; + const invSZ = 1 / sz; + _m1$2.elements[0] *= invSX; + _m1$2.elements[1] *= invSX; + _m1$2.elements[2] *= invSX; + _m1$2.elements[4] *= invSY; + _m1$2.elements[5] *= invSY; + _m1$2.elements[6] *= invSY; + _m1$2.elements[8] *= invSZ; + _m1$2.elements[9] *= invSZ; + _m1$2.elements[10] *= invSZ; + quaternion.setFromRotationMatrix(_m1$2); + scale.x = sx; + scale.y = sy; + scale.z = sz; + return this; + } + /** + * Creates a perspective projection matrix. This is used internally by + * {@link PerspectiveCamera#updateProjectionMatrix}. + + * @param {number} left - Left boundary of the viewing frustum at the near plane. + * @param {number} right - Right boundary of the viewing frustum at the near plane. + * @param {number} top - Top boundary of the viewing frustum at the near plane. + * @param {number} bottom - Bottom boundary of the viewing frustum at the near plane. + * @param {number} near - The distance from the camera to the near plane. + * @param {number} far - The distance from the camera to the far plane. + * @param {(WebGLCoordinateSystem|WebGPUCoordinateSystem)} [coordinateSystem=WebGLCoordinateSystem] - The coordinate system. + * @param {boolean} [reversedDepth=false] - Whether to use a reversed depth. + * @return {Matrix4} A reference to this matrix. + */ + makePerspective(left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem, reversedDepth = false) { + const te = this.elements; + const x = 2 * near / (right - left); + const y = 2 * near / (top - bottom); + const a = (right + left) / (right - left); + const b = (top + bottom) / (top - bottom); + let c, d; + if (reversedDepth) { + c = near / (far - near); + d = far * near / (far - near); + } else { + if (coordinateSystem === WebGLCoordinateSystem) { + c = -(far + near) / (far - near); + d = -2 * far * near / (far - near); + } else if (coordinateSystem === WebGPUCoordinateSystem) { + c = -far / (far - near); + d = -far * near / (far - near); + } else { + throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: " + coordinateSystem); + } + } + te[0] = x; + te[4] = 0; + te[8] = a; + te[12] = 0; + te[1] = 0; + te[5] = y; + te[9] = b; + te[13] = 0; + te[2] = 0; + te[6] = 0; + te[10] = c; + te[14] = d; + te[3] = 0; + te[7] = 0; + te[11] = -1; + te[15] = 0; + return this; + } + /** + * Creates a orthographic projection matrix. This is used internally by + * {@link OrthographicCamera#updateProjectionMatrix}. + + * @param {number} left - Left boundary of the viewing frustum at the near plane. + * @param {number} right - Right boundary of the viewing frustum at the near plane. + * @param {number} top - Top boundary of the viewing frustum at the near plane. + * @param {number} bottom - Bottom boundary of the viewing frustum at the near plane. + * @param {number} near - The distance from the camera to the near plane. + * @param {number} far - The distance from the camera to the far plane. + * @param {(WebGLCoordinateSystem|WebGPUCoordinateSystem)} [coordinateSystem=WebGLCoordinateSystem] - The coordinate system. + * @param {boolean} [reversedDepth=false] - Whether to use a reversed depth. + * @return {Matrix4} A reference to this matrix. + */ + makeOrthographic(left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem, reversedDepth = false) { + const te = this.elements; + const x = 2 / (right - left); + const y = 2 / (top - bottom); + const a = -(right + left) / (right - left); + const b = -(top + bottom) / (top - bottom); + let c, d; + if (reversedDepth) { + c = 1 / (far - near); + d = far / (far - near); + } else { + if (coordinateSystem === WebGLCoordinateSystem) { + c = -2 / (far - near); + d = -(far + near) / (far - near); + } else if (coordinateSystem === WebGPUCoordinateSystem) { + c = -1 / (far - near); + d = -near / (far - near); + } else { + throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: " + coordinateSystem); + } + } + te[0] = x; + te[4] = 0; + te[8] = 0; + te[12] = a; + te[1] = 0; + te[5] = y; + te[9] = 0; + te[13] = b; + te[2] = 0; + te[6] = 0; + te[10] = c; + te[14] = d; + te[3] = 0; + te[7] = 0; + te[11] = 0; + te[15] = 1; + return this; + } + /** + * Returns `true` if this matrix is equal with the given one. + * + * @param {Matrix4} matrix - The matrix to test for equality. + * @return {boolean} Whether this matrix is equal with the given one. + */ + equals(matrix) { + const te = this.elements; + const me = matrix.elements; + for (let i = 0; i < 16; i++) { + if (te[i] !== me[i]) return false; + } + return true; + } + /** + * Sets the elements of the matrix from the given array. + * + * @param {Array} array - The matrix elements in column-major order. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Matrix4} A reference to this matrix. + */ + fromArray(array, offset = 0) { + for (let i = 0; i < 16; i++) { + this.elements[i] = array[i + offset]; + } + return this; + } + /** + * Writes the elements of this matrix to the given array. If no array is provided, + * the method returns a new instance. + * + * @param {Array} [array=[]] - The target array holding the matrix elements in column-major order. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Array} The matrix elements in column-major order. + */ + toArray(array = [], offset = 0) { + const te = this.elements; + array[offset] = te[0]; + array[offset + 1] = te[1]; + array[offset + 2] = te[2]; + array[offset + 3] = te[3]; + array[offset + 4] = te[4]; + array[offset + 5] = te[5]; + array[offset + 6] = te[6]; + array[offset + 7] = te[7]; + array[offset + 8] = te[8]; + array[offset + 9] = te[9]; + array[offset + 10] = te[10]; + array[offset + 11] = te[11]; + array[offset + 12] = te[12]; + array[offset + 13] = te[13]; + array[offset + 14] = te[14]; + array[offset + 15] = te[15]; + return array; + } +}; +var _v1$5 = new Vector3(); +var _m1$2 = new Matrix4(); +var _zero = new Vector3(0, 0, 0); +var _one = new Vector3(1, 1, 1); +var _x = new Vector3(); +var _y = new Vector3(); +var _z = new Vector3(); +var _matrix$2 = new Matrix4(); +var _quaternion$3 = new Quaternion(); +var Euler = class _Euler { + /** + * Constructs a new euler instance. + * + * @param {number} [x=0] - The angle of the x axis in radians. + * @param {number} [y=0] - The angle of the y axis in radians. + * @param {number} [z=0] - The angle of the z axis in radians. + * @param {string} [order=Euler.DEFAULT_ORDER] - A string representing the order that the rotations are applied. + */ + constructor(x = 0, y = 0, z = 0, order = _Euler.DEFAULT_ORDER) { + this.isEuler = true; + this._x = x; + this._y = y; + this._z = z; + this._order = order; + } + /** + * The angle of the x axis in radians. + * + * @type {number} + * @default 0 + */ + get x() { + return this._x; + } + set x(value) { + this._x = value; + this._onChangeCallback(); + } + /** + * The angle of the y axis in radians. + * + * @type {number} + * @default 0 + */ + get y() { + return this._y; + } + set y(value) { + this._y = value; + this._onChangeCallback(); + } + /** + * The angle of the z axis in radians. + * + * @type {number} + * @default 0 + */ + get z() { + return this._z; + } + set z(value) { + this._z = value; + this._onChangeCallback(); + } + /** + * A string representing the order that the rotations are applied. + * + * @type {string} + * @default 'XYZ' + */ + get order() { + return this._order; + } + set order(value) { + this._order = value; + this._onChangeCallback(); + } + /** + * Sets the Euler components. + * + * @param {number} x - The angle of the x axis in radians. + * @param {number} y - The angle of the y axis in radians. + * @param {number} z - The angle of the z axis in radians. + * @param {string} [order] - A string representing the order that the rotations are applied. + * @return {Euler} A reference to this Euler instance. + */ + set(x, y, z, order = this._order) { + this._x = x; + this._y = y; + this._z = z; + this._order = order; + this._onChangeCallback(); + return this; + } + /** + * Returns a new Euler instance with copied values from this instance. + * + * @return {Euler} A clone of this instance. + */ + clone() { + return new this.constructor(this._x, this._y, this._z, this._order); + } + /** + * Copies the values of the given Euler instance to this instance. + * + * @param {Euler} euler - The Euler instance to copy. + * @return {Euler} A reference to this Euler instance. + */ + copy(euler) { + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; + this._onChangeCallback(); + return this; + } + /** + * Sets the angles of this Euler instance from a pure rotation matrix. + * + * @param {Matrix4} m - A 4x4 matrix of which the upper 3x3 of matrix is a pure rotation matrix (i.e. unscaled). + * @param {string} [order] - A string representing the order that the rotations are applied. + * @param {boolean} [update=true] - Whether the internal `onChange` callback should be executed or not. + * @return {Euler} A reference to this Euler instance. + */ + setFromRotationMatrix(m, order = this._order, update = true) { + const te = m.elements; + const m11 = te[0], m12 = te[4], m13 = te[8]; + const m21 = te[1], m22 = te[5], m23 = te[9]; + const m31 = te[2], m32 = te[6], m33 = te[10]; + switch (order) { + case "XYZ": + this._y = Math.asin(clamp(m13, -1, 1)); + if (Math.abs(m13) < 0.9999999) { + this._x = Math.atan2(-m23, m33); + this._z = Math.atan2(-m12, m11); + } else { + this._x = Math.atan2(m32, m22); + this._z = 0; + } + break; + case "YXZ": + this._x = Math.asin(-clamp(m23, -1, 1)); + if (Math.abs(m23) < 0.9999999) { + this._y = Math.atan2(m13, m33); + this._z = Math.atan2(m21, m22); + } else { + this._y = Math.atan2(-m31, m11); + this._z = 0; + } + break; + case "ZXY": + this._x = Math.asin(clamp(m32, -1, 1)); + if (Math.abs(m32) < 0.9999999) { + this._y = Math.atan2(-m31, m33); + this._z = Math.atan2(-m12, m22); + } else { + this._y = 0; + this._z = Math.atan2(m21, m11); + } + break; + case "ZYX": + this._y = Math.asin(-clamp(m31, -1, 1)); + if (Math.abs(m31) < 0.9999999) { + this._x = Math.atan2(m32, m33); + this._z = Math.atan2(m21, m11); + } else { + this._x = 0; + this._z = Math.atan2(-m12, m22); + } + break; + case "YZX": + this._z = Math.asin(clamp(m21, -1, 1)); + if (Math.abs(m21) < 0.9999999) { + this._x = Math.atan2(-m23, m22); + this._y = Math.atan2(-m31, m11); + } else { + this._x = 0; + this._y = Math.atan2(m13, m33); + } + break; + case "XZY": + this._z = Math.asin(-clamp(m12, -1, 1)); + if (Math.abs(m12) < 0.9999999) { + this._x = Math.atan2(m32, m22); + this._y = Math.atan2(m13, m11); + } else { + this._x = Math.atan2(-m23, m33); + this._y = 0; + } + break; + default: + warn("Euler: .setFromRotationMatrix() encountered an unknown order: " + order); + } + this._order = order; + if (update === true) this._onChangeCallback(); + return this; + } + /** + * Sets the angles of this Euler instance from a normalized quaternion. + * + * @param {Quaternion} q - A normalized Quaternion. + * @param {string} [order] - A string representing the order that the rotations are applied. + * @param {boolean} [update=true] - Whether the internal `onChange` callback should be executed or not. + * @return {Euler} A reference to this Euler instance. + */ + setFromQuaternion(q, order, update) { + _matrix$2.makeRotationFromQuaternion(q); + return this.setFromRotationMatrix(_matrix$2, order, update); + } + /** + * Sets the angles of this Euler instance from the given vector. + * + * @param {Vector3} v - The vector. + * @param {string} [order] - A string representing the order that the rotations are applied. + * @return {Euler} A reference to this Euler instance. + */ + setFromVector3(v, order = this._order) { + return this.set(v.x, v.y, v.z, order); + } + /** + * Resets the euler angle with a new order by creating a quaternion from this + * euler angle and then setting this euler angle with the quaternion and the + * new order. + * + * Warning: This discards revolution information. + * + * @param {string} [newOrder] - A string representing the new order that the rotations are applied. + * @return {Euler} A reference to this Euler instance. + */ + reorder(newOrder) { + _quaternion$3.setFromEuler(this); + return this.setFromQuaternion(_quaternion$3, newOrder); + } + /** + * Returns `true` if this Euler instance is equal with the given one. + * + * @param {Euler} euler - The Euler instance to test for equality. + * @return {boolean} Whether this Euler instance is equal with the given one. + */ + equals(euler) { + return euler._x === this._x && euler._y === this._y && euler._z === this._z && euler._order === this._order; + } + /** + * Sets this Euler instance's components to values from the given array. The first three + * entries of the array are assign to the x,y and z components. An optional fourth entry + * defines the Euler order. + * + * @param {Array} array - An array holding the Euler component values. + * @return {Euler} A reference to this Euler instance. + */ + fromArray(array) { + this._x = array[0]; + this._y = array[1]; + this._z = array[2]; + if (array[3] !== void 0) this._order = array[3]; + this._onChangeCallback(); + return this; + } + /** + * Writes the components of this Euler instance to the given array. If no array is provided, + * the method returns a new instance. + * + * @param {Array} [array=[]] - The target array holding the Euler components. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Array} The Euler components. + */ + toArray(array = [], offset = 0) { + array[offset] = this._x; + array[offset + 1] = this._y; + array[offset + 2] = this._z; + array[offset + 3] = this._order; + return array; + } + _onChange(callback) { + this._onChangeCallback = callback; + return this; + } + _onChangeCallback() { + } + *[Symbol.iterator]() { + yield this._x; + yield this._y; + yield this._z; + yield this._order; + } +}; +Euler.DEFAULT_ORDER = "XYZ"; +var Layers = class { + /** + * Constructs a new layers instance, with membership + * initially set to layer `0`. + */ + constructor() { + this.mask = 1 | 0; + } + /** + * Sets membership to the given layer, and remove membership all other layers. + * + * @param {number} layer - The layer to set. + */ + set(layer) { + this.mask = (1 << layer | 0) >>> 0; + } + /** + * Adds membership of the given layer. + * + * @param {number} layer - The layer to enable. + */ + enable(layer) { + this.mask |= 1 << layer | 0; + } + /** + * Adds membership to all layers. + */ + enableAll() { + this.mask = 4294967295 | 0; + } + /** + * Toggles the membership of the given layer. + * + * @param {number} layer - The layer to toggle. + */ + toggle(layer) { + this.mask ^= 1 << layer | 0; + } + /** + * Removes membership of the given layer. + * + * @param {number} layer - The layer to enable. + */ + disable(layer) { + this.mask &= ~(1 << layer | 0); + } + /** + * Removes the membership from all layers. + */ + disableAll() { + this.mask = 0; + } + /** + * Returns `true` if this and the given layers object have at least one + * layer in common. + * + * @param {Layers} layers - The layers to test. + * @return {boolean } Whether this and the given layers object have at least one layer in common or not. + */ + test(layers) { + return (this.mask & layers.mask) !== 0; + } + /** + * Returns `true` if the given layer is enabled. + * + * @param {number} layer - The layer to test. + * @return {boolean } Whether the given layer is enabled or not. + */ + isEnabled(layer) { + return (this.mask & (1 << layer | 0)) !== 0; + } +}; +var _object3DId = 0; +var _v1$4 = new Vector3(); +var _q1 = new Quaternion(); +var _m1$1 = new Matrix4(); +var _target = new Vector3(); +var _position$3 = new Vector3(); +var _scale$2 = new Vector3(); +var _quaternion$2 = new Quaternion(); +var _xAxis = new Vector3(1, 0, 0); +var _yAxis = new Vector3(0, 1, 0); +var _zAxis = new Vector3(0, 0, 1); +var _addedEvent = { type: "added" }; +var _removedEvent = { type: "removed" }; +var _childaddedEvent = { type: "childadded", child: null }; +var _childremovedEvent = { type: "childremoved", child: null }; +var Object3D = class _Object3D extends EventDispatcher { + /** + * Constructs a new 3D object. + */ + constructor() { + super(); + this.isObject3D = true; + Object.defineProperty(this, "id", { value: _object3DId++ }); + this.uuid = generateUUID(); + this.name = ""; + this.type = "Object3D"; + this.parent = null; + this.children = []; + this.up = _Object3D.DEFAULT_UP.clone(); + const position = new Vector3(); + const rotation = new Euler(); + const quaternion = new Quaternion(); + const scale = new Vector3(1, 1, 1); + function onRotationChange() { + quaternion.setFromEuler(rotation, false); + } + function onQuaternionChange() { + rotation.setFromQuaternion(quaternion, void 0, false); + } + rotation._onChange(onRotationChange); + quaternion._onChange(onQuaternionChange); + Object.defineProperties(this, { + /** + * Represents the object's local position. + * + * @name Object3D#position + * @type {Vector3} + * @default (0,0,0) + */ + position: { + configurable: true, + enumerable: true, + value: position + }, + /** + * Represents the object's local rotation as Euler angles, in radians. + * + * @name Object3D#rotation + * @type {Euler} + * @default (0,0,0) + */ + rotation: { + configurable: true, + enumerable: true, + value: rotation + }, + /** + * Represents the object's local rotation as Quaternions. + * + * @name Object3D#quaternion + * @type {Quaternion} + */ + quaternion: { + configurable: true, + enumerable: true, + value: quaternion + }, + /** + * Represents the object's local scale. + * + * @name Object3D#scale + * @type {Vector3} + * @default (1,1,1) + */ + scale: { + configurable: true, + enumerable: true, + value: scale + }, + /** + * Represents the object's model-view matrix. + * + * @name Object3D#modelViewMatrix + * @type {Matrix4} + */ + modelViewMatrix: { + value: new Matrix4() + }, + /** + * Represents the object's normal matrix. + * + * @name Object3D#normalMatrix + * @type {Matrix3} + */ + normalMatrix: { + value: new Matrix3() + } + }); + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); + this.matrixAutoUpdate = _Object3D.DEFAULT_MATRIX_AUTO_UPDATE; + this.matrixWorldAutoUpdate = _Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE; + this.matrixWorldNeedsUpdate = false; + this.layers = new Layers(); + this.visible = true; + this.castShadow = false; + this.receiveShadow = false; + this.frustumCulled = true; + this.renderOrder = 0; + this.animations = []; + this.customDepthMaterial = void 0; + this.customDistanceMaterial = void 0; + this.userData = {}; + } + /** + * A callback that is executed immediately before a 3D object is rendered to a shadow map. + * + * @param {Renderer|WebGLRenderer} renderer - The renderer. + * @param {Object3D} object - The 3D object. + * @param {Camera} camera - The camera that is used to render the scene. + * @param {Camera} shadowCamera - The shadow camera. + * @param {BufferGeometry} geometry - The 3D object's geometry. + * @param {Material} depthMaterial - The depth material. + * @param {Object} group - The geometry group data. + */ + onBeforeShadow() { + } + /** + * A callback that is executed immediately after a 3D object is rendered to a shadow map. + * + * @param {Renderer|WebGLRenderer} renderer - The renderer. + * @param {Object3D} object - The 3D object. + * @param {Camera} camera - The camera that is used to render the scene. + * @param {Camera} shadowCamera - The shadow camera. + * @param {BufferGeometry} geometry - The 3D object's geometry. + * @param {Material} depthMaterial - The depth material. + * @param {Object} group - The geometry group data. + */ + onAfterShadow() { + } + /** + * A callback that is executed immediately before a 3D object is rendered. + * + * @param {Renderer|WebGLRenderer} renderer - The renderer. + * @param {Object3D} object - The 3D object. + * @param {Camera} camera - The camera that is used to render the scene. + * @param {BufferGeometry} geometry - The 3D object's geometry. + * @param {Material} material - The 3D object's material. + * @param {Object} group - The geometry group data. + */ + onBeforeRender() { + } + /** + * A callback that is executed immediately after a 3D object is rendered. + * + * @param {Renderer|WebGLRenderer} renderer - The renderer. + * @param {Object3D} object - The 3D object. + * @param {Camera} camera - The camera that is used to render the scene. + * @param {BufferGeometry} geometry - The 3D object's geometry. + * @param {Material} material - The 3D object's material. + * @param {Object} group - The geometry group data. + */ + onAfterRender() { + } + /** + * Applies the given transformation matrix to the object and updates the object's position, + * rotation and scale. + * + * @param {Matrix4} matrix - The transformation matrix. + */ + applyMatrix4(matrix) { + if (this.matrixAutoUpdate) this.updateMatrix(); + this.matrix.premultiply(matrix); + this.matrix.decompose(this.position, this.quaternion, this.scale); + } + /** + * Applies a rotation represented by given the quaternion to the 3D object. + * + * @param {Quaternion} q - The quaternion. + * @return {Object3D} A reference to this instance. + */ + applyQuaternion(q) { + this.quaternion.premultiply(q); + return this; + } + /** + * Sets the given rotation represented as an axis/angle couple to the 3D object. + * + * @param {Vector3} axis - The (normalized) axis vector. + * @param {number} angle - The angle in radians. + */ + setRotationFromAxisAngle(axis, angle) { + this.quaternion.setFromAxisAngle(axis, angle); + } + /** + * Sets the given rotation represented as Euler angles to the 3D object. + * + * @param {Euler} euler - The Euler angles. + */ + setRotationFromEuler(euler) { + this.quaternion.setFromEuler(euler, true); + } + /** + * Sets the given rotation represented as rotation matrix to the 3D object. + * + * @param {Matrix4} m - Although a 4x4 matrix is expected, the upper 3x3 portion must be + * a pure rotation matrix (i.e, unscaled). + */ + setRotationFromMatrix(m) { + this.quaternion.setFromRotationMatrix(m); + } + /** + * Sets the given rotation represented as a Quaternion to the 3D object. + * + * @param {Quaternion} q - The Quaternion + */ + setRotationFromQuaternion(q) { + this.quaternion.copy(q); + } + /** + * Rotates the 3D object along an axis in local space. + * + * @param {Vector3} axis - The (normalized) axis vector. + * @param {number} angle - The angle in radians. + * @return {Object3D} A reference to this instance. + */ + rotateOnAxis(axis, angle) { + _q1.setFromAxisAngle(axis, angle); + this.quaternion.multiply(_q1); + return this; + } + /** + * Rotates the 3D object along an axis in world space. + * + * @param {Vector3} axis - The (normalized) axis vector. + * @param {number} angle - The angle in radians. + * @return {Object3D} A reference to this instance. + */ + rotateOnWorldAxis(axis, angle) { + _q1.setFromAxisAngle(axis, angle); + this.quaternion.premultiply(_q1); + return this; + } + /** + * Rotates the 3D object around its X axis in local space. + * + * @param {number} angle - The angle in radians. + * @return {Object3D} A reference to this instance. + */ + rotateX(angle) { + return this.rotateOnAxis(_xAxis, angle); + } + /** + * Rotates the 3D object around its Y axis in local space. + * + * @param {number} angle - The angle in radians. + * @return {Object3D} A reference to this instance. + */ + rotateY(angle) { + return this.rotateOnAxis(_yAxis, angle); + } + /** + * Rotates the 3D object around its Z axis in local space. + * + * @param {number} angle - The angle in radians. + * @return {Object3D} A reference to this instance. + */ + rotateZ(angle) { + return this.rotateOnAxis(_zAxis, angle); + } + /** + * Translate the 3D object by a distance along the given axis in local space. + * + * @param {Vector3} axis - The (normalized) axis vector. + * @param {number} distance - The distance in world units. + * @return {Object3D} A reference to this instance. + */ + translateOnAxis(axis, distance) { + _v1$4.copy(axis).applyQuaternion(this.quaternion); + this.position.add(_v1$4.multiplyScalar(distance)); + return this; + } + /** + * Translate the 3D object by a distance along its X-axis in local space. + * + * @param {number} distance - The distance in world units. + * @return {Object3D} A reference to this instance. + */ + translateX(distance) { + return this.translateOnAxis(_xAxis, distance); + } + /** + * Translate the 3D object by a distance along its Y-axis in local space. + * + * @param {number} distance - The distance in world units. + * @return {Object3D} A reference to this instance. + */ + translateY(distance) { + return this.translateOnAxis(_yAxis, distance); + } + /** + * Translate the 3D object by a distance along its Z-axis in local space. + * + * @param {number} distance - The distance in world units. + * @return {Object3D} A reference to this instance. + */ + translateZ(distance) { + return this.translateOnAxis(_zAxis, distance); + } + /** + * Converts the given vector from this 3D object's local space to world space. + * + * @param {Vector3} vector - The vector to convert. + * @return {Vector3} The converted vector. + */ + localToWorld(vector) { + this.updateWorldMatrix(true, false); + return vector.applyMatrix4(this.matrixWorld); + } + /** + * Converts the given vector from this 3D object's word space to local space. + * + * @param {Vector3} vector - The vector to convert. + * @return {Vector3} The converted vector. + */ + worldToLocal(vector) { + this.updateWorldMatrix(true, false); + return vector.applyMatrix4(_m1$1.copy(this.matrixWorld).invert()); + } + /** + * Rotates the object to face a point in world space. + * + * This method does not support objects having non-uniformly-scaled parent(s). + * + * @param {number|Vector3} x - The x coordinate in world space. Alternatively, a vector representing a position in world space + * @param {number} [y] - The y coordinate in world space. + * @param {number} [z] - The z coordinate in world space. + */ + lookAt(x, y, z) { + if (x.isVector3) { + _target.copy(x); + } else { + _target.set(x, y, z); + } + const parent = this.parent; + this.updateWorldMatrix(true, false); + _position$3.setFromMatrixPosition(this.matrixWorld); + if (this.isCamera || this.isLight) { + _m1$1.lookAt(_position$3, _target, this.up); + } else { + _m1$1.lookAt(_target, _position$3, this.up); + } + this.quaternion.setFromRotationMatrix(_m1$1); + if (parent) { + _m1$1.extractRotation(parent.matrixWorld); + _q1.setFromRotationMatrix(_m1$1); + this.quaternion.premultiply(_q1.invert()); + } + } + /** + * Adds the given 3D object as a child to this 3D object. An arbitrary number of + * objects may be added. Any current parent on an object passed in here will be + * removed, since an object can have at most one parent. + * + * @fires Object3D#added + * @fires Object3D#childadded + * @param {Object3D} object - The 3D object to add. + * @return {Object3D} A reference to this instance. + */ + add(object) { + if (arguments.length > 1) { + for (let i = 0; i < arguments.length; i++) { + this.add(arguments[i]); + } + return this; + } + if (object === this) { + error("Object3D.add: object can't be added as a child of itself.", object); + return this; + } + if (object && object.isObject3D) { + object.removeFromParent(); + object.parent = this; + this.children.push(object); + object.dispatchEvent(_addedEvent); + _childaddedEvent.child = object; + this.dispatchEvent(_childaddedEvent); + _childaddedEvent.child = null; + } else { + error("Object3D.add: object not an instance of THREE.Object3D.", object); + } + return this; + } + /** + * Removes the given 3D object as child from this 3D object. + * An arbitrary number of objects may be removed. + * + * @fires Object3D#removed + * @fires Object3D#childremoved + * @param {Object3D} object - The 3D object to remove. + * @return {Object3D} A reference to this instance. + */ + remove(object) { + if (arguments.length > 1) { + for (let i = 0; i < arguments.length; i++) { + this.remove(arguments[i]); + } + return this; + } + const index = this.children.indexOf(object); + if (index !== -1) { + object.parent = null; + this.children.splice(index, 1); + object.dispatchEvent(_removedEvent); + _childremovedEvent.child = object; + this.dispatchEvent(_childremovedEvent); + _childremovedEvent.child = null; + } + return this; + } + /** + * Removes this 3D object from its current parent. + * + * @fires Object3D#removed + * @fires Object3D#childremoved + * @return {Object3D} A reference to this instance. + */ + removeFromParent() { + const parent = this.parent; + if (parent !== null) { + parent.remove(this); + } + return this; + } + /** + * Removes all child objects. + * + * @fires Object3D#removed + * @fires Object3D#childremoved + * @return {Object3D} A reference to this instance. + */ + clear() { + return this.remove(...this.children); + } + /** + * Adds the given 3D object as a child of this 3D object, while maintaining the object's world + * transform. This method does not support scene graphs having non-uniformly-scaled nodes(s). + * + * @fires Object3D#added + * @fires Object3D#childadded + * @param {Object3D} object - The 3D object to attach. + * @return {Object3D} A reference to this instance. + */ + attach(object) { + this.updateWorldMatrix(true, false); + _m1$1.copy(this.matrixWorld).invert(); + if (object.parent !== null) { + object.parent.updateWorldMatrix(true, false); + _m1$1.multiply(object.parent.matrixWorld); + } + object.applyMatrix4(_m1$1); + object.removeFromParent(); + object.parent = this; + this.children.push(object); + object.updateWorldMatrix(false, true); + object.dispatchEvent(_addedEvent); + _childaddedEvent.child = object; + this.dispatchEvent(_childaddedEvent); + _childaddedEvent.child = null; + return this; + } + /** + * Searches through the 3D object and its children, starting with the 3D object + * itself, and returns the first with a matching ID. + * + * @param {number} id - The id. + * @return {Object3D|undefined} The found 3D object. Returns `undefined` if no 3D object has been found. + */ + getObjectById(id) { + return this.getObjectByProperty("id", id); + } + /** + * Searches through the 3D object and its children, starting with the 3D object + * itself, and returns the first with a matching name. + * + * @param {string} name - The name. + * @return {Object3D|undefined} The found 3D object. Returns `undefined` if no 3D object has been found. + */ + getObjectByName(name) { + return this.getObjectByProperty("name", name); + } + /** + * Searches through the 3D object and its children, starting with the 3D object + * itself, and returns the first with a matching property value. + * + * @param {string} name - The name of the property. + * @param {any} value - The value. + * @return {Object3D|undefined} The found 3D object. Returns `undefined` if no 3D object has been found. + */ + getObjectByProperty(name, value) { + if (this[name] === value) return this; + for (let i = 0, l = this.children.length; i < l; i++) { + const child = this.children[i]; + const object = child.getObjectByProperty(name, value); + if (object !== void 0) { + return object; + } + } + return void 0; + } + /** + * Searches through the 3D object and its children, starting with the 3D object + * itself, and returns all 3D objects with a matching property value. + * + * @param {string} name - The name of the property. + * @param {any} value - The value. + * @param {Array} result - The method stores the result in this array. + * @return {Array} The found 3D objects. + */ + getObjectsByProperty(name, value, result = []) { + if (this[name] === value) result.push(this); + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + children[i].getObjectsByProperty(name, value, result); + } + return result; + } + /** + * Returns a vector representing the position of the 3D object in world space. + * + * @param {Vector3} target - The target vector the result is stored to. + * @return {Vector3} The 3D object's position in world space. + */ + getWorldPosition(target) { + this.updateWorldMatrix(true, false); + return target.setFromMatrixPosition(this.matrixWorld); + } + /** + * Returns a Quaternion representing the position of the 3D object in world space. + * + * @param {Quaternion} target - The target Quaternion the result is stored to. + * @return {Quaternion} The 3D object's rotation in world space. + */ + getWorldQuaternion(target) { + this.updateWorldMatrix(true, false); + this.matrixWorld.decompose(_position$3, target, _scale$2); + return target; + } + /** + * Returns a vector representing the scale of the 3D object in world space. + * + * @param {Vector3} target - The target vector the result is stored to. + * @return {Vector3} The 3D object's scale in world space. + */ + getWorldScale(target) { + this.updateWorldMatrix(true, false); + this.matrixWorld.decompose(_position$3, _quaternion$2, target); + return target; + } + /** + * Returns a vector representing the ("look") direction of the 3D object in world space. + * + * @param {Vector3} target - The target vector the result is stored to. + * @return {Vector3} The 3D object's direction in world space. + */ + getWorldDirection(target) { + this.updateWorldMatrix(true, false); + const e = this.matrixWorld.elements; + return target.set(e[8], e[9], e[10]).normalize(); + } + /** + * Abstract method to get intersections between a casted ray and this + * 3D object. Renderable 3D objects such as {@link Mesh}, {@link Line} or {@link Points} + * implement this method in order to use raycasting. + * + * @abstract + * @param {Raycaster} raycaster - The raycaster. + * @param {Array} intersects - An array holding the result of the method. + */ + raycast() { + } + /** + * Executes the callback on this 3D object and all descendants. + * + * Note: Modifying the scene graph inside the callback is discouraged. + * + * @param {Function} callback - A callback function that allows to process the current 3D object. + */ + traverse(callback) { + callback(this); + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + children[i].traverse(callback); + } + } + /** + * Like {@link Object3D#traverse}, but the callback will only be executed for visible 3D objects. + * Descendants of invisible 3D objects are not traversed. + * + * Note: Modifying the scene graph inside the callback is discouraged. + * + * @param {Function} callback - A callback function that allows to process the current 3D object. + */ + traverseVisible(callback) { + if (this.visible === false) return; + callback(this); + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + children[i].traverseVisible(callback); + } + } + /** + * Like {@link Object3D#traverse}, but the callback will only be executed for all ancestors. + * + * Note: Modifying the scene graph inside the callback is discouraged. + * + * @param {Function} callback - A callback function that allows to process the current 3D object. + */ + traverseAncestors(callback) { + const parent = this.parent; + if (parent !== null) { + callback(parent); + parent.traverseAncestors(callback); + } + } + /** + * Updates the transformation matrix in local space by computing it from the current + * position, rotation and scale values. + */ + updateMatrix() { + this.matrix.compose(this.position, this.quaternion, this.scale); + this.matrixWorldNeedsUpdate = true; + } + /** + * Updates the transformation matrix in world space of this 3D objects and its descendants. + * + * To ensure correct results, this method also recomputes the 3D object's transformation matrix in + * local space. The computation of the local and world matrix can be controlled with the + * {@link Object3D#matrixAutoUpdate} and {@link Object3D#matrixWorldAutoUpdate} flags which are both + * `true` by default. Set these flags to `false` if you need more control over the update matrix process. + * + * @param {boolean} [force=false] - When set to `true`, a recomputation of world matrices is forced even + * when {@link Object3D#matrixWorldAutoUpdate} is set to `false`. + */ + updateMatrixWorld(force) { + if (this.matrixAutoUpdate) this.updateMatrix(); + if (this.matrixWorldNeedsUpdate || force) { + if (this.matrixWorldAutoUpdate === true) { + if (this.parent === null) { + this.matrixWorld.copy(this.matrix); + } else { + this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix); + } + } + this.matrixWorldNeedsUpdate = false; + force = true; + } + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + const child = children[i]; + child.updateMatrixWorld(force); + } + } + /** + * An alternative version of {@link Object3D#updateMatrixWorld} with more control over the + * update of ancestor and descendant nodes. + * + * @param {boolean} [updateParents=false] Whether ancestor nodes should be updated or not. + * @param {boolean} [updateChildren=false] Whether descendant nodes should be updated or not. + */ + updateWorldMatrix(updateParents, updateChildren) { + const parent = this.parent; + if (updateParents === true && parent !== null) { + parent.updateWorldMatrix(true, false); + } + if (this.matrixAutoUpdate) this.updateMatrix(); + if (this.matrixWorldAutoUpdate === true) { + if (this.parent === null) { + this.matrixWorld.copy(this.matrix); + } else { + this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix); + } + } + if (updateChildren === true) { + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + const child = children[i]; + child.updateWorldMatrix(false, true); + } + } + } + /** + * Serializes the 3D object into JSON. + * + * @param {?(Object|string)} meta - An optional value holding meta information about the serialization. + * @return {Object} A JSON object representing the serialized 3D object. + * @see {@link ObjectLoader#parse} + */ + toJSON(meta) { + const isRootObject = meta === void 0 || typeof meta === "string"; + const output = {}; + if (isRootObject) { + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {}, + shapes: {}, + skeletons: {}, + animations: {}, + nodes: {} + }; + output.metadata = { + version: 4.7, + type: "Object", + generator: "Object3D.toJSON" + }; + } + const object = {}; + object.uuid = this.uuid; + object.type = this.type; + if (this.name !== "") object.name = this.name; + if (this.castShadow === true) object.castShadow = true; + if (this.receiveShadow === true) object.receiveShadow = true; + if (this.visible === false) object.visible = false; + if (this.frustumCulled === false) object.frustumCulled = false; + if (this.renderOrder !== 0) object.renderOrder = this.renderOrder; + if (Object.keys(this.userData).length > 0) object.userData = this.userData; + object.layers = this.layers.mask; + object.matrix = this.matrix.toArray(); + object.up = this.up.toArray(); + if (this.matrixAutoUpdate === false) object.matrixAutoUpdate = false; + if (this.isInstancedMesh) { + object.type = "InstancedMesh"; + object.count = this.count; + object.instanceMatrix = this.instanceMatrix.toJSON(); + if (this.instanceColor !== null) object.instanceColor = this.instanceColor.toJSON(); + } + if (this.isBatchedMesh) { + object.type = "BatchedMesh"; + object.perObjectFrustumCulled = this.perObjectFrustumCulled; + object.sortObjects = this.sortObjects; + object.drawRanges = this._drawRanges; + object.reservedRanges = this._reservedRanges; + object.geometryInfo = this._geometryInfo.map((info) => ({ + ...info, + boundingBox: info.boundingBox ? info.boundingBox.toJSON() : void 0, + boundingSphere: info.boundingSphere ? info.boundingSphere.toJSON() : void 0 + })); + object.instanceInfo = this._instanceInfo.map((info) => ({ ...info })); + object.availableInstanceIds = this._availableInstanceIds.slice(); + object.availableGeometryIds = this._availableGeometryIds.slice(); + object.nextIndexStart = this._nextIndexStart; + object.nextVertexStart = this._nextVertexStart; + object.geometryCount = this._geometryCount; + object.maxInstanceCount = this._maxInstanceCount; + object.maxVertexCount = this._maxVertexCount; + object.maxIndexCount = this._maxIndexCount; + object.geometryInitialized = this._geometryInitialized; + object.matricesTexture = this._matricesTexture.toJSON(meta); + object.indirectTexture = this._indirectTexture.toJSON(meta); + if (this._colorsTexture !== null) { + object.colorsTexture = this._colorsTexture.toJSON(meta); + } + if (this.boundingSphere !== null) { + object.boundingSphere = this.boundingSphere.toJSON(); + } + if (this.boundingBox !== null) { + object.boundingBox = this.boundingBox.toJSON(); + } + } + function serialize(library, element) { + if (library[element.uuid] === void 0) { + library[element.uuid] = element.toJSON(meta); + } + return element.uuid; + } + if (this.isScene) { + if (this.background) { + if (this.background.isColor) { + object.background = this.background.toJSON(); + } else if (this.background.isTexture) { + object.background = this.background.toJSON(meta).uuid; + } + } + if (this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true) { + object.environment = this.environment.toJSON(meta).uuid; + } + } else if (this.isMesh || this.isLine || this.isPoints) { + object.geometry = serialize(meta.geometries, this.geometry); + const parameters = this.geometry.parameters; + if (parameters !== void 0 && parameters.shapes !== void 0) { + const shapes = parameters.shapes; + if (Array.isArray(shapes)) { + for (let i = 0, l = shapes.length; i < l; i++) { + const shape = shapes[i]; + serialize(meta.shapes, shape); + } + } else { + serialize(meta.shapes, shapes); + } + } + } + if (this.isSkinnedMesh) { + object.bindMode = this.bindMode; + object.bindMatrix = this.bindMatrix.toArray(); + if (this.skeleton !== void 0) { + serialize(meta.skeletons, this.skeleton); + object.skeleton = this.skeleton.uuid; + } + } + if (this.material !== void 0) { + if (Array.isArray(this.material)) { + const uuids = []; + for (let i = 0, l = this.material.length; i < l; i++) { + uuids.push(serialize(meta.materials, this.material[i])); + } + object.material = uuids; + } else { + object.material = serialize(meta.materials, this.material); + } + } + if (this.children.length > 0) { + object.children = []; + for (let i = 0; i < this.children.length; i++) { + object.children.push(this.children[i].toJSON(meta).object); + } + } + if (this.animations.length > 0) { + object.animations = []; + for (let i = 0; i < this.animations.length; i++) { + const animation = this.animations[i]; + object.animations.push(serialize(meta.animations, animation)); + } + } + if (isRootObject) { + const geometries = extractFromCache(meta.geometries); + const materials = extractFromCache(meta.materials); + const textures = extractFromCache(meta.textures); + const images = extractFromCache(meta.images); + const shapes = extractFromCache(meta.shapes); + const skeletons = extractFromCache(meta.skeletons); + const animations = extractFromCache(meta.animations); + const nodes = extractFromCache(meta.nodes); + if (geometries.length > 0) output.geometries = geometries; + if (materials.length > 0) output.materials = materials; + if (textures.length > 0) output.textures = textures; + if (images.length > 0) output.images = images; + if (shapes.length > 0) output.shapes = shapes; + if (skeletons.length > 0) output.skeletons = skeletons; + if (animations.length > 0) output.animations = animations; + if (nodes.length > 0) output.nodes = nodes; + } + output.object = object; + return output; + function extractFromCache(cache) { + const values = []; + for (const key in cache) { + const data = cache[key]; + delete data.metadata; + values.push(data); + } + return values; + } + } + /** + * Returns a new 3D object with copied values from this instance. + * + * @param {boolean} [recursive=true] - When set to `true`, descendants of the 3D object are also cloned. + * @return {Object3D} A clone of this instance. + */ + clone(recursive) { + return new this.constructor().copy(this, recursive); + } + /** + * Copies the values of the given 3D object to this instance. + * + * @param {Object3D} source - The 3D object to copy. + * @param {boolean} [recursive=true] - When set to `true`, descendants of the 3D object are cloned. + * @return {Object3D} A reference to this instance. + */ + copy(source, recursive = true) { + this.name = source.name; + this.up.copy(source.up); + this.position.copy(source.position); + this.rotation.order = source.rotation.order; + this.quaternion.copy(source.quaternion); + this.scale.copy(source.scale); + this.matrix.copy(source.matrix); + this.matrixWorld.copy(source.matrixWorld); + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrixWorldAutoUpdate = source.matrixWorldAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + this.layers.mask = source.layers.mask; + this.visible = source.visible; + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; + this.animations = source.animations.slice(); + this.userData = JSON.parse(JSON.stringify(source.userData)); + if (recursive === true) { + for (let i = 0; i < source.children.length; i++) { + const child = source.children[i]; + this.add(child.clone()); + } + } + return this; + } +}; +Object3D.DEFAULT_UP = new Vector3(0, 1, 0); +Object3D.DEFAULT_MATRIX_AUTO_UPDATE = true; +Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE = true; +var _v0$1 = new Vector3(); +var _v1$3 = new Vector3(); +var _v2$2 = new Vector3(); +var _v3$2 = new Vector3(); +var _vab = new Vector3(); +var _vac = new Vector3(); +var _vbc = new Vector3(); +var _vap = new Vector3(); +var _vbp = new Vector3(); +var _vcp = new Vector3(); +var _v40 = new Vector4(); +var _v41 = new Vector4(); +var _v42 = new Vector4(); +var Triangle = class _Triangle { + /** + * Constructs a new triangle. + * + * @param {Vector3} [a=(0,0,0)] - The first corner of the triangle. + * @param {Vector3} [b=(0,0,0)] - The second corner of the triangle. + * @param {Vector3} [c=(0,0,0)] - The third corner of the triangle. + */ + constructor(a = new Vector3(), b = new Vector3(), c = new Vector3()) { + this.a = a; + this.b = b; + this.c = c; + } + /** + * Computes the normal vector of a triangle. + * + * @param {Vector3} a - The first corner of the triangle. + * @param {Vector3} b - The second corner of the triangle. + * @param {Vector3} c - The third corner of the triangle. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The triangle's normal. + */ + static getNormal(a, b, c, target) { + target.subVectors(c, b); + _v0$1.subVectors(a, b); + target.cross(_v0$1); + const targetLengthSq = target.lengthSq(); + if (targetLengthSq > 0) { + return target.multiplyScalar(1 / Math.sqrt(targetLengthSq)); + } + return target.set(0, 0, 0); + } + /** + * Computes a barycentric coordinates from the given vector. + * Returns `null` if the triangle is degenerate. + * + * @param {Vector3} point - A point in 3D space. + * @param {Vector3} a - The first corner of the triangle. + * @param {Vector3} b - The second corner of the triangle. + * @param {Vector3} c - The third corner of the triangle. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The barycentric coordinates for the given point + */ + static getBarycoord(point, a, b, c, target) { + _v0$1.subVectors(c, a); + _v1$3.subVectors(b, a); + _v2$2.subVectors(point, a); + const dot00 = _v0$1.dot(_v0$1); + const dot01 = _v0$1.dot(_v1$3); + const dot02 = _v0$1.dot(_v2$2); + const dot11 = _v1$3.dot(_v1$3); + const dot12 = _v1$3.dot(_v2$2); + const denom = dot00 * dot11 - dot01 * dot01; + if (denom === 0) { + target.set(0, 0, 0); + return null; + } + const invDenom = 1 / denom; + const u = (dot11 * dot02 - dot01 * dot12) * invDenom; + const v = (dot00 * dot12 - dot01 * dot02) * invDenom; + return target.set(1 - u - v, v, u); + } + /** + * Returns `true` if the given point, when projected onto the plane of the + * triangle, lies within the triangle. + * + * @param {Vector3} point - The point in 3D space to test. + * @param {Vector3} a - The first corner of the triangle. + * @param {Vector3} b - The second corner of the triangle. + * @param {Vector3} c - The third corner of the triangle. + * @return {boolean} Whether the given point, when projected onto the plane of the + * triangle, lies within the triangle or not. + */ + static containsPoint(point, a, b, c) { + if (this.getBarycoord(point, a, b, c, _v3$2) === null) { + return false; + } + return _v3$2.x >= 0 && _v3$2.y >= 0 && _v3$2.x + _v3$2.y <= 1; + } + /** + * Computes the value barycentrically interpolated for the given point on the + * triangle. Returns `null` if the triangle is degenerate. + * + * @param {Vector3} point - Position of interpolated point. + * @param {Vector3} p1 - The first corner of the triangle. + * @param {Vector3} p2 - The second corner of the triangle. + * @param {Vector3} p3 - The third corner of the triangle. + * @param {Vector3} v1 - Value to interpolate of first vertex. + * @param {Vector3} v2 - Value to interpolate of second vertex. + * @param {Vector3} v3 - Value to interpolate of third vertex. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The interpolated value. + */ + static getInterpolation(point, p1, p2, p3, v1, v2, v3, target) { + if (this.getBarycoord(point, p1, p2, p3, _v3$2) === null) { + target.x = 0; + target.y = 0; + if ("z" in target) target.z = 0; + if ("w" in target) target.w = 0; + return null; + } + target.setScalar(0); + target.addScaledVector(v1, _v3$2.x); + target.addScaledVector(v2, _v3$2.y); + target.addScaledVector(v3, _v3$2.z); + return target; + } + /** + * Computes the value barycentrically interpolated for the given attribute and indices. + * + * @param {BufferAttribute} attr - The attribute to interpolate. + * @param {number} i1 - Index of first vertex. + * @param {number} i2 - Index of second vertex. + * @param {number} i3 - Index of third vertex. + * @param {Vector3} barycoord - The barycoordinate value to use to interpolate. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The interpolated attribute value. + */ + static getInterpolatedAttribute(attr, i1, i2, i3, barycoord, target) { + _v40.setScalar(0); + _v41.setScalar(0); + _v42.setScalar(0); + _v40.fromBufferAttribute(attr, i1); + _v41.fromBufferAttribute(attr, i2); + _v42.fromBufferAttribute(attr, i3); + target.setScalar(0); + target.addScaledVector(_v40, barycoord.x); + target.addScaledVector(_v41, barycoord.y); + target.addScaledVector(_v42, barycoord.z); + return target; + } + /** + * Returns `true` if the triangle is oriented towards the given direction. + * + * @param {Vector3} a - The first corner of the triangle. + * @param {Vector3} b - The second corner of the triangle. + * @param {Vector3} c - The third corner of the triangle. + * @param {Vector3} direction - The (normalized) direction vector. + * @return {boolean} Whether the triangle is oriented towards the given direction or not. + */ + static isFrontFacing(a, b, c, direction) { + _v0$1.subVectors(c, b); + _v1$3.subVectors(a, b); + return _v0$1.cross(_v1$3).dot(direction) < 0 ? true : false; + } + /** + * Sets the triangle's vertices by copying the given values. + * + * @param {Vector3} a - The first corner of the triangle. + * @param {Vector3} b - The second corner of the triangle. + * @param {Vector3} c - The third corner of the triangle. + * @return {Triangle} A reference to this triangle. + */ + set(a, b, c) { + this.a.copy(a); + this.b.copy(b); + this.c.copy(c); + return this; + } + /** + * Sets the triangle's vertices by copying the given array values. + * + * @param {Array} points - An array with 3D points. + * @param {number} i0 - The array index representing the first corner of the triangle. + * @param {number} i1 - The array index representing the second corner of the triangle. + * @param {number} i2 - The array index representing the third corner of the triangle. + * @return {Triangle} A reference to this triangle. + */ + setFromPointsAndIndices(points, i0, i1, i2) { + this.a.copy(points[i0]); + this.b.copy(points[i1]); + this.c.copy(points[i2]); + return this; + } + /** + * Sets the triangle's vertices by copying the given attribute values. + * + * @param {BufferAttribute} attribute - A buffer attribute with 3D points data. + * @param {number} i0 - The attribute index representing the first corner of the triangle. + * @param {number} i1 - The attribute index representing the second corner of the triangle. + * @param {number} i2 - The attribute index representing the third corner of the triangle. + * @return {Triangle} A reference to this triangle. + */ + setFromAttributeAndIndices(attribute, i0, i1, i2) { + this.a.fromBufferAttribute(attribute, i0); + this.b.fromBufferAttribute(attribute, i1); + this.c.fromBufferAttribute(attribute, i2); + return this; + } + /** + * Returns a new triangle with copied values from this instance. + * + * @return {Triangle} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Copies the values of the given triangle to this instance. + * + * @param {Triangle} triangle - The triangle to copy. + * @return {Triangle} A reference to this triangle. + */ + copy(triangle) { + this.a.copy(triangle.a); + this.b.copy(triangle.b); + this.c.copy(triangle.c); + return this; + } + /** + * Computes the area of the triangle. + * + * @return {number} The triangle's area. + */ + getArea() { + _v0$1.subVectors(this.c, this.b); + _v1$3.subVectors(this.a, this.b); + return _v0$1.cross(_v1$3).length() * 0.5; + } + /** + * Computes the midpoint of the triangle. + * + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The triangle's midpoint. + */ + getMidpoint(target) { + return target.addVectors(this.a, this.b).add(this.c).multiplyScalar(1 / 3); + } + /** + * Computes the normal of the triangle. + * + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The triangle's normal. + */ + getNormal(target) { + return _Triangle.getNormal(this.a, this.b, this.c, target); + } + /** + * Computes a plane the triangle lies within. + * + * @param {Plane} target - The target vector that is used to store the method's result. + * @return {Plane} The plane the triangle lies within. + */ + getPlane(target) { + return target.setFromCoplanarPoints(this.a, this.b, this.c); + } + /** + * Computes a barycentric coordinates from the given vector. + * Returns `null` if the triangle is degenerate. + * + * @param {Vector3} point - A point in 3D space. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The barycentric coordinates for the given point + */ + getBarycoord(point, target) { + return _Triangle.getBarycoord(point, this.a, this.b, this.c, target); + } + /** + * Computes the value barycentrically interpolated for the given point on the + * triangle. Returns `null` if the triangle is degenerate. + * + * @param {Vector3} point - Position of interpolated point. + * @param {Vector3} v1 - Value to interpolate of first vertex. + * @param {Vector3} v2 - Value to interpolate of second vertex. + * @param {Vector3} v3 - Value to interpolate of third vertex. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The interpolated value. + */ + getInterpolation(point, v1, v2, v3, target) { + return _Triangle.getInterpolation(point, this.a, this.b, this.c, v1, v2, v3, target); + } + /** + * Returns `true` if the given point, when projected onto the plane of the + * triangle, lies within the triangle. + * + * @param {Vector3} point - The point in 3D space to test. + * @return {boolean} Whether the given point, when projected onto the plane of the + * triangle, lies within the triangle or not. + */ + containsPoint(point) { + return _Triangle.containsPoint(point, this.a, this.b, this.c); + } + /** + * Returns `true` if the triangle is oriented towards the given direction. + * + * @param {Vector3} direction - The (normalized) direction vector. + * @return {boolean} Whether the triangle is oriented towards the given direction or not. + */ + isFrontFacing(direction) { + return _Triangle.isFrontFacing(this.a, this.b, this.c, direction); + } + /** + * Returns `true` if this triangle intersects with the given box. + * + * @param {Box3} box - The box to intersect. + * @return {boolean} Whether this triangle intersects with the given box or not. + */ + intersectsBox(box) { + return box.intersectsTriangle(this); + } + /** + * Returns the closest point on the triangle to the given point. + * + * @param {Vector3} p - The point to compute the closest point for. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The closest point on the triangle. + */ + closestPointToPoint(p, target) { + const a = this.a, b = this.b, c = this.c; + let v, w; + _vab.subVectors(b, a); + _vac.subVectors(c, a); + _vap.subVectors(p, a); + const d1 = _vab.dot(_vap); + const d2 = _vac.dot(_vap); + if (d1 <= 0 && d2 <= 0) { + return target.copy(a); + } + _vbp.subVectors(p, b); + const d3 = _vab.dot(_vbp); + const d4 = _vac.dot(_vbp); + if (d3 >= 0 && d4 <= d3) { + return target.copy(b); + } + const vc = d1 * d4 - d3 * d2; + if (vc <= 0 && d1 >= 0 && d3 <= 0) { + v = d1 / (d1 - d3); + return target.copy(a).addScaledVector(_vab, v); + } + _vcp.subVectors(p, c); + const d5 = _vab.dot(_vcp); + const d6 = _vac.dot(_vcp); + if (d6 >= 0 && d5 <= d6) { + return target.copy(c); + } + const vb = d5 * d2 - d1 * d6; + if (vb <= 0 && d2 >= 0 && d6 <= 0) { + w = d2 / (d2 - d6); + return target.copy(a).addScaledVector(_vac, w); + } + const va = d3 * d6 - d5 * d4; + if (va <= 0 && d4 - d3 >= 0 && d5 - d6 >= 0) { + _vbc.subVectors(c, b); + w = (d4 - d3) / (d4 - d3 + (d5 - d6)); + return target.copy(b).addScaledVector(_vbc, w); + } + const denom = 1 / (va + vb + vc); + v = vb * denom; + w = vc * denom; + return target.copy(a).addScaledVector(_vab, v).addScaledVector(_vac, w); + } + /** + * Returns `true` if this triangle is equal with the given one. + * + * @param {Triangle} triangle - The triangle to test for equality. + * @return {boolean} Whether this triangle is equal with the given one. + */ + equals(triangle) { + return triangle.a.equals(this.a) && triangle.b.equals(this.b) && triangle.c.equals(this.c); + } +}; +var _colorKeywords = { + "aliceblue": 15792383, + "antiquewhite": 16444375, + "aqua": 65535, + "aquamarine": 8388564, + "azure": 15794175, + "beige": 16119260, + "bisque": 16770244, + "black": 0, + "blanchedalmond": 16772045, + "blue": 255, + "blueviolet": 9055202, + "brown": 10824234, + "burlywood": 14596231, + "cadetblue": 6266528, + "chartreuse": 8388352, + "chocolate": 13789470, + "coral": 16744272, + "cornflowerblue": 6591981, + "cornsilk": 16775388, + "crimson": 14423100, + "cyan": 65535, + "darkblue": 139, + "darkcyan": 35723, + "darkgoldenrod": 12092939, + "darkgray": 11119017, + "darkgreen": 25600, + "darkgrey": 11119017, + "darkkhaki": 12433259, + "darkmagenta": 9109643, + "darkolivegreen": 5597999, + "darkorange": 16747520, + "darkorchid": 10040012, + "darkred": 9109504, + "darksalmon": 15308410, + "darkseagreen": 9419919, + "darkslateblue": 4734347, + "darkslategray": 3100495, + "darkslategrey": 3100495, + "darkturquoise": 52945, + "darkviolet": 9699539, + "deeppink": 16716947, + "deepskyblue": 49151, + "dimgray": 6908265, + "dimgrey": 6908265, + "dodgerblue": 2003199, + "firebrick": 11674146, + "floralwhite": 16775920, + "forestgreen": 2263842, + "fuchsia": 16711935, + "gainsboro": 14474460, + "ghostwhite": 16316671, + "gold": 16766720, + "goldenrod": 14329120, + "gray": 8421504, + "green": 32768, + "greenyellow": 11403055, + "grey": 8421504, + "honeydew": 15794160, + "hotpink": 16738740, + "indianred": 13458524, + "indigo": 4915330, + "ivory": 16777200, + "khaki": 15787660, + "lavender": 15132410, + "lavenderblush": 16773365, + "lawngreen": 8190976, + "lemonchiffon": 16775885, + "lightblue": 11393254, + "lightcoral": 15761536, + "lightcyan": 14745599, + "lightgoldenrodyellow": 16448210, + "lightgray": 13882323, + "lightgreen": 9498256, + "lightgrey": 13882323, + "lightpink": 16758465, + "lightsalmon": 16752762, + "lightseagreen": 2142890, + "lightskyblue": 8900346, + "lightslategray": 7833753, + "lightslategrey": 7833753, + "lightsteelblue": 11584734, + "lightyellow": 16777184, + "lime": 65280, + "limegreen": 3329330, + "linen": 16445670, + "magenta": 16711935, + "maroon": 8388608, + "mediumaquamarine": 6737322, + "mediumblue": 205, + "mediumorchid": 12211667, + "mediumpurple": 9662683, + "mediumseagreen": 3978097, + "mediumslateblue": 8087790, + "mediumspringgreen": 64154, + "mediumturquoise": 4772300, + "mediumvioletred": 13047173, + "midnightblue": 1644912, + "mintcream": 16121850, + "mistyrose": 16770273, + "moccasin": 16770229, + "navajowhite": 16768685, + "navy": 128, + "oldlace": 16643558, + "olive": 8421376, + "olivedrab": 7048739, + "orange": 16753920, + "orangered": 16729344, + "orchid": 14315734, + "palegoldenrod": 15657130, + "palegreen": 10025880, + "paleturquoise": 11529966, + "palevioletred": 14381203, + "papayawhip": 16773077, + "peachpuff": 16767673, + "peru": 13468991, + "pink": 16761035, + "plum": 14524637, + "powderblue": 11591910, + "purple": 8388736, + "rebeccapurple": 6697881, + "red": 16711680, + "rosybrown": 12357519, + "royalblue": 4286945, + "saddlebrown": 9127187, + "salmon": 16416882, + "sandybrown": 16032864, + "seagreen": 3050327, + "seashell": 16774638, + "sienna": 10506797, + "silver": 12632256, + "skyblue": 8900331, + "slateblue": 6970061, + "slategray": 7372944, + "slategrey": 7372944, + "snow": 16775930, + "springgreen": 65407, + "steelblue": 4620980, + "tan": 13808780, + "teal": 32896, + "thistle": 14204888, + "tomato": 16737095, + "turquoise": 4251856, + "violet": 15631086, + "wheat": 16113331, + "white": 16777215, + "whitesmoke": 16119285, + "yellow": 16776960, + "yellowgreen": 10145074 +}; +var _hslA = { h: 0, s: 0, l: 0 }; +var _hslB = { h: 0, s: 0, l: 0 }; +function hue2rgb(p, q, t) { + if (t < 0) t += 1; + if (t > 1) t -= 1; + if (t < 1 / 6) return p + (q - p) * 6 * t; + if (t < 1 / 2) return q; + if (t < 2 / 3) return p + (q - p) * 6 * (2 / 3 - t); + return p; +} +var Color = class { + /** + * Constructs a new color. + * + * Note that standard method of specifying color in three.js is with a hexadecimal triplet, + * and that method is used throughout the rest of the documentation. + * + * @param {(number|string|Color)} [r] - The red component of the color. If `g` and `b` are + * not provided, it can be hexadecimal triplet, a CSS-style string or another `Color` instance. + * @param {number} [g] - The green component. + * @param {number} [b] - The blue component. + */ + constructor(r, g, b) { + this.isColor = true; + this.r = 1; + this.g = 1; + this.b = 1; + return this.set(r, g, b); + } + /** + * Sets the colors's components from the given values. + * + * @param {(number|string|Color)} [r] - The red component of the color. If `g` and `b` are + * not provided, it can be hexadecimal triplet, a CSS-style string or another `Color` instance. + * @param {number} [g] - The green component. + * @param {number} [b] - The blue component. + * @return {Color} A reference to this color. + */ + set(r, g, b) { + if (g === void 0 && b === void 0) { + const value = r; + if (value && value.isColor) { + this.copy(value); + } else if (typeof value === "number") { + this.setHex(value); + } else if (typeof value === "string") { + this.setStyle(value); + } + } else { + this.setRGB(r, g, b); + } + return this; + } + /** + * Sets the colors's components to the given scalar value. + * + * @param {number} scalar - The scalar value. + * @return {Color} A reference to this color. + */ + setScalar(scalar) { + this.r = scalar; + this.g = scalar; + this.b = scalar; + return this; + } + /** + * Sets this color from a hexadecimal value. + * + * @param {number} hex - The hexadecimal value. + * @param {string} [colorSpace=SRGBColorSpace] - The color space. + * @return {Color} A reference to this color. + */ + setHex(hex, colorSpace = SRGBColorSpace) { + hex = Math.floor(hex); + this.r = (hex >> 16 & 255) / 255; + this.g = (hex >> 8 & 255) / 255; + this.b = (hex & 255) / 255; + ColorManagement.colorSpaceToWorking(this, colorSpace); + return this; + } + /** + * Sets this color from RGB values. + * + * @param {number} r - Red channel value between `0.0` and `1.0`. + * @param {number} g - Green channel value between `0.0` and `1.0`. + * @param {number} b - Blue channel value between `0.0` and `1.0`. + * @param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space. + * @return {Color} A reference to this color. + */ + setRGB(r, g, b, colorSpace = ColorManagement.workingColorSpace) { + this.r = r; + this.g = g; + this.b = b; + ColorManagement.colorSpaceToWorking(this, colorSpace); + return this; + } + /** + * Sets this color from RGB values. + * + * @param {number} h - Hue value between `0.0` and `1.0`. + * @param {number} s - Saturation value between `0.0` and `1.0`. + * @param {number} l - Lightness value between `0.0` and `1.0`. + * @param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space. + * @return {Color} A reference to this color. + */ + setHSL(h, s, l, colorSpace = ColorManagement.workingColorSpace) { + h = euclideanModulo(h, 1); + s = clamp(s, 0, 1); + l = clamp(l, 0, 1); + if (s === 0) { + this.r = this.g = this.b = l; + } else { + const p = l <= 0.5 ? l * (1 + s) : l + s - l * s; + const q = 2 * l - p; + this.r = hue2rgb(q, p, h + 1 / 3); + this.g = hue2rgb(q, p, h); + this.b = hue2rgb(q, p, h - 1 / 3); + } + ColorManagement.colorSpaceToWorking(this, colorSpace); + return this; + } + /** + * Sets this color from a CSS-style string. For example, `rgb(250, 0,0)`, + * `rgb(100%, 0%, 0%)`, `hsl(0, 100%, 50%)`, `#ff0000`, `#f00`, or `red` ( or + * any [X11 color name](https://en.wikipedia.org/wiki/X11_color_names#Color_name_chart) - + * all 140 color names are supported). + * + * @param {string} style - Color as a CSS-style string. + * @param {string} [colorSpace=SRGBColorSpace] - The color space. + * @return {Color} A reference to this color. + */ + setStyle(style, colorSpace = SRGBColorSpace) { + function handleAlpha(string) { + if (string === void 0) return; + if (parseFloat(string) < 1) { + warn("Color: Alpha component of " + style + " will be ignored."); + } + } + let m; + if (m = /^(\w+)\(([^\)]*)\)/.exec(style)) { + let color; + const name = m[1]; + const components = m[2]; + switch (name) { + case "rgb": + case "rgba": + if (color = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) { + handleAlpha(color[4]); + return this.setRGB( + Math.min(255, parseInt(color[1], 10)) / 255, + Math.min(255, parseInt(color[2], 10)) / 255, + Math.min(255, parseInt(color[3], 10)) / 255, + colorSpace + ); + } + if (color = /^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) { + handleAlpha(color[4]); + return this.setRGB( + Math.min(100, parseInt(color[1], 10)) / 100, + Math.min(100, parseInt(color[2], 10)) / 100, + Math.min(100, parseInt(color[3], 10)) / 100, + colorSpace + ); + } + break; + case "hsl": + case "hsla": + if (color = /^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) { + handleAlpha(color[4]); + return this.setHSL( + parseFloat(color[1]) / 360, + parseFloat(color[2]) / 100, + parseFloat(color[3]) / 100, + colorSpace + ); + } + break; + default: + warn("Color: Unknown color model " + style); + } + } else if (m = /^\#([A-Fa-f\d]+)$/.exec(style)) { + const hex = m[1]; + const size = hex.length; + if (size === 3) { + return this.setRGB( + parseInt(hex.charAt(0), 16) / 15, + parseInt(hex.charAt(1), 16) / 15, + parseInt(hex.charAt(2), 16) / 15, + colorSpace + ); + } else if (size === 6) { + return this.setHex(parseInt(hex, 16), colorSpace); + } else { + warn("Color: Invalid hex color " + style); + } + } else if (style && style.length > 0) { + return this.setColorName(style, colorSpace); + } + return this; + } + /** + * Sets this color from a color name. Faster than {@link Color#setStyle} if + * you don't need the other CSS-style formats. + * + * For convenience, the list of names is exposed in `Color.NAMES` as a hash. + * ```js + * Color.NAMES.aliceblue // returns 0xF0F8FF + * ``` + * + * @param {string} style - The color name. + * @param {string} [colorSpace=SRGBColorSpace] - The color space. + * @return {Color} A reference to this color. + */ + setColorName(style, colorSpace = SRGBColorSpace) { + const hex = _colorKeywords[style.toLowerCase()]; + if (hex !== void 0) { + this.setHex(hex, colorSpace); + } else { + warn("Color: Unknown color " + style); + } + return this; + } + /** + * Returns a new color with copied values from this instance. + * + * @return {Color} A clone of this instance. + */ + clone() { + return new this.constructor(this.r, this.g, this.b); + } + /** + * Copies the values of the given color to this instance. + * + * @param {Color} color - The color to copy. + * @return {Color} A reference to this color. + */ + copy(color) { + this.r = color.r; + this.g = color.g; + this.b = color.b; + return this; + } + /** + * Copies the given color into this color, and then converts this color from + * `SRGBColorSpace` to `LinearSRGBColorSpace`. + * + * @param {Color} color - The color to copy/convert. + * @return {Color} A reference to this color. + */ + copySRGBToLinear(color) { + this.r = SRGBToLinear(color.r); + this.g = SRGBToLinear(color.g); + this.b = SRGBToLinear(color.b); + return this; + } + /** + * Copies the given color into this color, and then converts this color from + * `LinearSRGBColorSpace` to `SRGBColorSpace`. + * + * @param {Color} color - The color to copy/convert. + * @return {Color} A reference to this color. + */ + copyLinearToSRGB(color) { + this.r = LinearToSRGB(color.r); + this.g = LinearToSRGB(color.g); + this.b = LinearToSRGB(color.b); + return this; + } + /** + * Converts this color from `SRGBColorSpace` to `LinearSRGBColorSpace`. + * + * @return {Color} A reference to this color. + */ + convertSRGBToLinear() { + this.copySRGBToLinear(this); + return this; + } + /** + * Converts this color from `LinearSRGBColorSpace` to `SRGBColorSpace`. + * + * @return {Color} A reference to this color. + */ + convertLinearToSRGB() { + this.copyLinearToSRGB(this); + return this; + } + /** + * Returns the hexadecimal value of this color. + * + * @param {string} [colorSpace=SRGBColorSpace] - The color space. + * @return {number} The hexadecimal value. + */ + getHex(colorSpace = SRGBColorSpace) { + ColorManagement.workingToColorSpace(_color.copy(this), colorSpace); + return Math.round(clamp(_color.r * 255, 0, 255)) * 65536 + Math.round(clamp(_color.g * 255, 0, 255)) * 256 + Math.round(clamp(_color.b * 255, 0, 255)); + } + /** + * Returns the hexadecimal value of this color as a string (for example, 'FFFFFF'). + * + * @param {string} [colorSpace=SRGBColorSpace] - The color space. + * @return {string} The hexadecimal value as a string. + */ + getHexString(colorSpace = SRGBColorSpace) { + return ("000000" + this.getHex(colorSpace).toString(16)).slice(-6); + } + /** + * Converts the colors RGB values into the HSL format and stores them into the + * given target object. + * + * @param {{h:number,s:number,l:number}} target - The target object that is used to store the method's result. + * @param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space. + * @return {{h:number,s:number,l:number}} The HSL representation of this color. + */ + getHSL(target, colorSpace = ColorManagement.workingColorSpace) { + ColorManagement.workingToColorSpace(_color.copy(this), colorSpace); + const r = _color.r, g = _color.g, b = _color.b; + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + let hue, saturation; + const lightness = (min + max) / 2; + if (min === max) { + hue = 0; + saturation = 0; + } else { + const delta = max - min; + saturation = lightness <= 0.5 ? delta / (max + min) : delta / (2 - max - min); + switch (max) { + case r: + hue = (g - b) / delta + (g < b ? 6 : 0); + break; + case g: + hue = (b - r) / delta + 2; + break; + case b: + hue = (r - g) / delta + 4; + break; + } + hue /= 6; + } + target.h = hue; + target.s = saturation; + target.l = lightness; + return target; + } + /** + * Returns the RGB values of this color and stores them into the given target object. + * + * @param {Color} target - The target color that is used to store the method's result. + * @param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space. + * @return {Color} The RGB representation of this color. + */ + getRGB(target, colorSpace = ColorManagement.workingColorSpace) { + ColorManagement.workingToColorSpace(_color.copy(this), colorSpace); + target.r = _color.r; + target.g = _color.g; + target.b = _color.b; + return target; + } + /** + * Returns the value of this color as a CSS style string. Example: `rgb(255,0,0)`. + * + * @param {string} [colorSpace=SRGBColorSpace] - The color space. + * @return {string} The CSS representation of this color. + */ + getStyle(colorSpace = SRGBColorSpace) { + ColorManagement.workingToColorSpace(_color.copy(this), colorSpace); + const r = _color.r, g = _color.g, b = _color.b; + if (colorSpace !== SRGBColorSpace) { + return `color(${colorSpace} ${r.toFixed(3)} ${g.toFixed(3)} ${b.toFixed(3)})`; + } + return `rgb(${Math.round(r * 255)},${Math.round(g * 255)},${Math.round(b * 255)})`; + } + /** + * Adds the given HSL values to this color's values. + * Internally, this converts the color's RGB values to HSL, adds HSL + * and then converts the color back to RGB. + * + * @param {number} h - Hue value between `0.0` and `1.0`. + * @param {number} s - Saturation value between `0.0` and `1.0`. + * @param {number} l - Lightness value between `0.0` and `1.0`. + * @return {Color} A reference to this color. + */ + offsetHSL(h, s, l) { + this.getHSL(_hslA); + return this.setHSL(_hslA.h + h, _hslA.s + s, _hslA.l + l); + } + /** + * Adds the RGB values of the given color to the RGB values of this color. + * + * @param {Color} color - The color to add. + * @return {Color} A reference to this color. + */ + add(color) { + this.r += color.r; + this.g += color.g; + this.b += color.b; + return this; + } + /** + * Adds the RGB values of the given colors and stores the result in this instance. + * + * @param {Color} color1 - The first color. + * @param {Color} color2 - The second color. + * @return {Color} A reference to this color. + */ + addColors(color1, color2) { + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; + return this; + } + /** + * Adds the given scalar value to the RGB values of this color. + * + * @param {number} s - The scalar to add. + * @return {Color} A reference to this color. + */ + addScalar(s) { + this.r += s; + this.g += s; + this.b += s; + return this; + } + /** + * Subtracts the RGB values of the given color from the RGB values of this color. + * + * @param {Color} color - The color to subtract. + * @return {Color} A reference to this color. + */ + sub(color) { + this.r = Math.max(0, this.r - color.r); + this.g = Math.max(0, this.g - color.g); + this.b = Math.max(0, this.b - color.b); + return this; + } + /** + * Multiplies the RGB values of the given color with the RGB values of this color. + * + * @param {Color} color - The color to multiply. + * @return {Color} A reference to this color. + */ + multiply(color) { + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; + return this; + } + /** + * Multiplies the given scalar value with the RGB values of this color. + * + * @param {number} s - The scalar to multiply. + * @return {Color} A reference to this color. + */ + multiplyScalar(s) { + this.r *= s; + this.g *= s; + this.b *= s; + return this; + } + /** + * Linearly interpolates this color's RGB values toward the RGB values of the + * given color. The alpha argument can be thought of as the ratio between + * the two colors, where `0.0` is this color and `1.0` is the first argument. + * + * @param {Color} color - The color to converge on. + * @param {number} alpha - The interpolation factor in the closed interval `[0,1]`. + * @return {Color} A reference to this color. + */ + lerp(color, alpha) { + this.r += (color.r - this.r) * alpha; + this.g += (color.g - this.g) * alpha; + this.b += (color.b - this.b) * alpha; + return this; + } + /** + * Linearly interpolates between the given colors and stores the result in this instance. + * The alpha argument can be thought of as the ratio between the two colors, where `0.0` + * is the first and `1.0` is the second color. + * + * @param {Color} color1 - The first color. + * @param {Color} color2 - The second color. + * @param {number} alpha - The interpolation factor in the closed interval `[0,1]`. + * @return {Color} A reference to this color. + */ + lerpColors(color1, color2, alpha) { + this.r = color1.r + (color2.r - color1.r) * alpha; + this.g = color1.g + (color2.g - color1.g) * alpha; + this.b = color1.b + (color2.b - color1.b) * alpha; + return this; + } + /** + * Linearly interpolates this color's HSL values toward the HSL values of the + * given color. It differs from {@link Color#lerp} by not interpolating straight + * from one color to the other, but instead going through all the hues in between + * those two colors. The alpha argument can be thought of as the ratio between + * the two colors, where 0.0 is this color and 1.0 is the first argument. + * + * @param {Color} color - The color to converge on. + * @param {number} alpha - The interpolation factor in the closed interval `[0,1]`. + * @return {Color} A reference to this color. + */ + lerpHSL(color, alpha) { + this.getHSL(_hslA); + color.getHSL(_hslB); + const h = lerp(_hslA.h, _hslB.h, alpha); + const s = lerp(_hslA.s, _hslB.s, alpha); + const l = lerp(_hslA.l, _hslB.l, alpha); + this.setHSL(h, s, l); + return this; + } + /** + * Sets the color's RGB components from the given 3D vector. + * + * @param {Vector3} v - The vector to set. + * @return {Color} A reference to this color. + */ + setFromVector3(v) { + this.r = v.x; + this.g = v.y; + this.b = v.z; + return this; + } + /** + * Transforms this color with the given 3x3 matrix. + * + * @param {Matrix3} m - The matrix. + * @return {Color} A reference to this color. + */ + applyMatrix3(m) { + const r = this.r, g = this.g, b = this.b; + const e = m.elements; + this.r = e[0] * r + e[3] * g + e[6] * b; + this.g = e[1] * r + e[4] * g + e[7] * b; + this.b = e[2] * r + e[5] * g + e[8] * b; + return this; + } + /** + * Returns `true` if this color is equal with the given one. + * + * @param {Color} c - The color to test for equality. + * @return {boolean} Whether this bounding color is equal with the given one. + */ + equals(c) { + return c.r === this.r && c.g === this.g && c.b === this.b; + } + /** + * Sets this color's RGB components from the given array. + * + * @param {Array} array - An array holding the RGB values. + * @param {number} [offset=0] - The offset into the array. + * @return {Color} A reference to this color. + */ + fromArray(array, offset = 0) { + this.r = array[offset]; + this.g = array[offset + 1]; + this.b = array[offset + 2]; + return this; + } + /** + * Writes the RGB components of this color to the given array. If no array is provided, + * the method returns a new instance. + * + * @param {Array} [array=[]] - The target array holding the color components. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Array} The color components. + */ + toArray(array = [], offset = 0) { + array[offset] = this.r; + array[offset + 1] = this.g; + array[offset + 2] = this.b; + return array; + } + /** + * Sets the components of this color from the given buffer attribute. + * + * @param {BufferAttribute} attribute - The buffer attribute holding color data. + * @param {number} index - The index into the attribute. + * @return {Color} A reference to this color. + */ + fromBufferAttribute(attribute, index) { + this.r = attribute.getX(index); + this.g = attribute.getY(index); + this.b = attribute.getZ(index); + return this; + } + /** + * This methods defines the serialization result of this class. Returns the color + * as a hexadecimal value. + * + * @return {number} The hexadecimal value. + */ + toJSON() { + return this.getHex(); + } + *[Symbol.iterator]() { + yield this.r; + yield this.g; + yield this.b; + } +}; +var _color = new Color(); +Color.NAMES = _colorKeywords; +var _materialId = 0; +var Material = class extends EventDispatcher { + /** + * Constructs a new material. + */ + constructor() { + super(); + this.isMaterial = true; + Object.defineProperty(this, "id", { value: _materialId++ }); + this.uuid = generateUUID(); + this.name = ""; + this.type = "Material"; + this.blending = NormalBlending; + this.side = FrontSide; + this.vertexColors = false; + this.opacity = 1; + this.transparent = false; + this.alphaHash = false; + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; + this.blendColor = new Color(0, 0, 0); + this.blendAlpha = 0; + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; + this.stencilWriteMask = 255; + this.stencilFunc = AlwaysStencilFunc; + this.stencilRef = 0; + this.stencilFuncMask = 255; + this.stencilFail = KeepStencilOp; + this.stencilZFail = KeepStencilOp; + this.stencilZPass = KeepStencilOp; + this.stencilWrite = false; + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; + this.shadowSide = null; + this.colorWrite = true; + this.precision = null; + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; + this.dithering = false; + this.alphaToCoverage = false; + this.premultipliedAlpha = false; + this.forceSinglePass = false; + this.allowOverride = true; + this.visible = true; + this.toneMapped = true; + this.userData = {}; + this.version = 0; + this._alphaTest = 0; + } + /** + * Sets the alpha value to be used when running an alpha test. The material + * will not be rendered if the opacity is lower than this value. + * + * @type {number} + * @readonly + * @default 0 + */ + get alphaTest() { + return this._alphaTest; + } + set alphaTest(value) { + if (this._alphaTest > 0 !== value > 0) { + this.version++; + } + this._alphaTest = value; + } + /** + * An optional callback that is executed immediately before the material is used to render a 3D object. + * + * This method can only be used when rendering with {@link WebGLRenderer}. + * + * @param {WebGLRenderer} renderer - The renderer. + * @param {Scene} scene - The scene. + * @param {Camera} camera - The camera that is used to render the scene. + * @param {BufferGeometry} geometry - The 3D object's geometry. + * @param {Object3D} object - The 3D object. + * @param {Object} group - The geometry group data. + */ + onBeforeRender() { + } + /** + * An optional callback that is executed immediately before the shader + * program is compiled. This function is called with the shader source code + * as a parameter. Useful for the modification of built-in materials. + * + * This method can only be used when rendering with {@link WebGLRenderer}. The + * recommended approach when customizing materials is to use `WebGPURenderer` with the new + * Node Material system and [TSL](https://github.com/mrdoob/three.js/wiki/Three.js-Shading-Language). + * + * @param {{vertexShader:string,fragmentShader:string,uniforms:Object}} shaderobject - The object holds the uniforms and the vertex and fragment shader source. + * @param {WebGLRenderer} renderer - A reference to the renderer. + */ + onBeforeCompile() { + } + /** + * In case {@link Material#onBeforeCompile} is used, this callback can be used to identify + * values of settings used in `onBeforeCompile()`, so three.js can reuse a cached + * shader or recompile the shader for this material as needed. + * + * This method can only be used when rendering with {@link WebGLRenderer}. + * + * @return {string} The custom program cache key. + */ + customProgramCacheKey() { + return this.onBeforeCompile.toString(); + } + /** + * This method can be used to set default values from parameter objects. + * It is a generic implementation so it can be used with different types + * of materials. + * + * @param {Object} [values] - The material values to set. + */ + setValues(values) { + if (values === void 0) return; + for (const key in values) { + const newValue = values[key]; + if (newValue === void 0) { + warn(`Material: parameter '${key}' has value of undefined.`); + continue; + } + const currentValue = this[key]; + if (currentValue === void 0) { + warn(`Material: '${key}' is not a property of THREE.${this.type}.`); + continue; + } + if (currentValue && currentValue.isColor) { + currentValue.set(newValue); + } else if (currentValue && currentValue.isVector3 && (newValue && newValue.isVector3)) { + currentValue.copy(newValue); + } else { + this[key] = newValue; + } + } + } + /** + * Serializes the material into JSON. + * + * @param {?(Object|string)} meta - An optional value holding meta information about the serialization. + * @return {Object} A JSON object representing the serialized material. + * @see {@link ObjectLoader#parse} + */ + toJSON(meta) { + const isRootObject = meta === void 0 || typeof meta === "string"; + if (isRootObject) { + meta = { + textures: {}, + images: {} + }; + } + const data = { + metadata: { + version: 4.7, + type: "Material", + generator: "Material.toJSON" + } + }; + data.uuid = this.uuid; + data.type = this.type; + if (this.name !== "") data.name = this.name; + if (this.color && this.color.isColor) data.color = this.color.getHex(); + if (this.roughness !== void 0) data.roughness = this.roughness; + if (this.metalness !== void 0) data.metalness = this.metalness; + if (this.sheen !== void 0) data.sheen = this.sheen; + if (this.sheenColor && this.sheenColor.isColor) data.sheenColor = this.sheenColor.getHex(); + if (this.sheenRoughness !== void 0) data.sheenRoughness = this.sheenRoughness; + if (this.emissive && this.emissive.isColor) data.emissive = this.emissive.getHex(); + if (this.emissiveIntensity !== void 0 && this.emissiveIntensity !== 1) data.emissiveIntensity = this.emissiveIntensity; + if (this.specular && this.specular.isColor) data.specular = this.specular.getHex(); + if (this.specularIntensity !== void 0) data.specularIntensity = this.specularIntensity; + if (this.specularColor && this.specularColor.isColor) data.specularColor = this.specularColor.getHex(); + if (this.shininess !== void 0) data.shininess = this.shininess; + if (this.clearcoat !== void 0) data.clearcoat = this.clearcoat; + if (this.clearcoatRoughness !== void 0) data.clearcoatRoughness = this.clearcoatRoughness; + if (this.clearcoatMap && this.clearcoatMap.isTexture) { + data.clearcoatMap = this.clearcoatMap.toJSON(meta).uuid; + } + if (this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture) { + data.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON(meta).uuid; + } + if (this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture) { + data.clearcoatNormalMap = this.clearcoatNormalMap.toJSON(meta).uuid; + data.clearcoatNormalScale = this.clearcoatNormalScale.toArray(); + } + if (this.sheenColorMap && this.sheenColorMap.isTexture) { + data.sheenColorMap = this.sheenColorMap.toJSON(meta).uuid; + } + if (this.sheenRoughnessMap && this.sheenRoughnessMap.isTexture) { + data.sheenRoughnessMap = this.sheenRoughnessMap.toJSON(meta).uuid; + } + if (this.dispersion !== void 0) data.dispersion = this.dispersion; + if (this.iridescence !== void 0) data.iridescence = this.iridescence; + if (this.iridescenceIOR !== void 0) data.iridescenceIOR = this.iridescenceIOR; + if (this.iridescenceThicknessRange !== void 0) data.iridescenceThicknessRange = this.iridescenceThicknessRange; + if (this.iridescenceMap && this.iridescenceMap.isTexture) { + data.iridescenceMap = this.iridescenceMap.toJSON(meta).uuid; + } + if (this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture) { + data.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON(meta).uuid; + } + if (this.anisotropy !== void 0) data.anisotropy = this.anisotropy; + if (this.anisotropyRotation !== void 0) data.anisotropyRotation = this.anisotropyRotation; + if (this.anisotropyMap && this.anisotropyMap.isTexture) { + data.anisotropyMap = this.anisotropyMap.toJSON(meta).uuid; + } + if (this.map && this.map.isTexture) data.map = this.map.toJSON(meta).uuid; + if (this.matcap && this.matcap.isTexture) data.matcap = this.matcap.toJSON(meta).uuid; + if (this.alphaMap && this.alphaMap.isTexture) data.alphaMap = this.alphaMap.toJSON(meta).uuid; + if (this.lightMap && this.lightMap.isTexture) { + data.lightMap = this.lightMap.toJSON(meta).uuid; + data.lightMapIntensity = this.lightMapIntensity; + } + if (this.aoMap && this.aoMap.isTexture) { + data.aoMap = this.aoMap.toJSON(meta).uuid; + data.aoMapIntensity = this.aoMapIntensity; + } + if (this.bumpMap && this.bumpMap.isTexture) { + data.bumpMap = this.bumpMap.toJSON(meta).uuid; + data.bumpScale = this.bumpScale; + } + if (this.normalMap && this.normalMap.isTexture) { + data.normalMap = this.normalMap.toJSON(meta).uuid; + data.normalMapType = this.normalMapType; + data.normalScale = this.normalScale.toArray(); + } + if (this.displacementMap && this.displacementMap.isTexture) { + data.displacementMap = this.displacementMap.toJSON(meta).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; + } + if (this.roughnessMap && this.roughnessMap.isTexture) data.roughnessMap = this.roughnessMap.toJSON(meta).uuid; + if (this.metalnessMap && this.metalnessMap.isTexture) data.metalnessMap = this.metalnessMap.toJSON(meta).uuid; + if (this.emissiveMap && this.emissiveMap.isTexture) data.emissiveMap = this.emissiveMap.toJSON(meta).uuid; + if (this.specularMap && this.specularMap.isTexture) data.specularMap = this.specularMap.toJSON(meta).uuid; + if (this.specularIntensityMap && this.specularIntensityMap.isTexture) data.specularIntensityMap = this.specularIntensityMap.toJSON(meta).uuid; + if (this.specularColorMap && this.specularColorMap.isTexture) data.specularColorMap = this.specularColorMap.toJSON(meta).uuid; + if (this.envMap && this.envMap.isTexture) { + data.envMap = this.envMap.toJSON(meta).uuid; + if (this.combine !== void 0) data.combine = this.combine; + } + if (this.envMapRotation !== void 0) data.envMapRotation = this.envMapRotation.toArray(); + if (this.envMapIntensity !== void 0) data.envMapIntensity = this.envMapIntensity; + if (this.reflectivity !== void 0) data.reflectivity = this.reflectivity; + if (this.refractionRatio !== void 0) data.refractionRatio = this.refractionRatio; + if (this.gradientMap && this.gradientMap.isTexture) { + data.gradientMap = this.gradientMap.toJSON(meta).uuid; + } + if (this.transmission !== void 0) data.transmission = this.transmission; + if (this.transmissionMap && this.transmissionMap.isTexture) data.transmissionMap = this.transmissionMap.toJSON(meta).uuid; + if (this.thickness !== void 0) data.thickness = this.thickness; + if (this.thicknessMap && this.thicknessMap.isTexture) data.thicknessMap = this.thicknessMap.toJSON(meta).uuid; + if (this.attenuationDistance !== void 0 && this.attenuationDistance !== Infinity) data.attenuationDistance = this.attenuationDistance; + if (this.attenuationColor !== void 0) data.attenuationColor = this.attenuationColor.getHex(); + if (this.size !== void 0) data.size = this.size; + if (this.shadowSide !== null) data.shadowSide = this.shadowSide; + if (this.sizeAttenuation !== void 0) data.sizeAttenuation = this.sizeAttenuation; + if (this.blending !== NormalBlending) data.blending = this.blending; + if (this.side !== FrontSide) data.side = this.side; + if (this.vertexColors === true) data.vertexColors = true; + if (this.opacity < 1) data.opacity = this.opacity; + if (this.transparent === true) data.transparent = true; + if (this.blendSrc !== SrcAlphaFactor) data.blendSrc = this.blendSrc; + if (this.blendDst !== OneMinusSrcAlphaFactor) data.blendDst = this.blendDst; + if (this.blendEquation !== AddEquation) data.blendEquation = this.blendEquation; + if (this.blendSrcAlpha !== null) data.blendSrcAlpha = this.blendSrcAlpha; + if (this.blendDstAlpha !== null) data.blendDstAlpha = this.blendDstAlpha; + if (this.blendEquationAlpha !== null) data.blendEquationAlpha = this.blendEquationAlpha; + if (this.blendColor && this.blendColor.isColor) data.blendColor = this.blendColor.getHex(); + if (this.blendAlpha !== 0) data.blendAlpha = this.blendAlpha; + if (this.depthFunc !== LessEqualDepth) data.depthFunc = this.depthFunc; + if (this.depthTest === false) data.depthTest = this.depthTest; + if (this.depthWrite === false) data.depthWrite = this.depthWrite; + if (this.colorWrite === false) data.colorWrite = this.colorWrite; + if (this.stencilWriteMask !== 255) data.stencilWriteMask = this.stencilWriteMask; + if (this.stencilFunc !== AlwaysStencilFunc) data.stencilFunc = this.stencilFunc; + if (this.stencilRef !== 0) data.stencilRef = this.stencilRef; + if (this.stencilFuncMask !== 255) data.stencilFuncMask = this.stencilFuncMask; + if (this.stencilFail !== KeepStencilOp) data.stencilFail = this.stencilFail; + if (this.stencilZFail !== KeepStencilOp) data.stencilZFail = this.stencilZFail; + if (this.stencilZPass !== KeepStencilOp) data.stencilZPass = this.stencilZPass; + if (this.stencilWrite === true) data.stencilWrite = this.stencilWrite; + if (this.rotation !== void 0 && this.rotation !== 0) data.rotation = this.rotation; + if (this.polygonOffset === true) data.polygonOffset = true; + if (this.polygonOffsetFactor !== 0) data.polygonOffsetFactor = this.polygonOffsetFactor; + if (this.polygonOffsetUnits !== 0) data.polygonOffsetUnits = this.polygonOffsetUnits; + if (this.linewidth !== void 0 && this.linewidth !== 1) data.linewidth = this.linewidth; + if (this.dashSize !== void 0) data.dashSize = this.dashSize; + if (this.gapSize !== void 0) data.gapSize = this.gapSize; + if (this.scale !== void 0) data.scale = this.scale; + if (this.dithering === true) data.dithering = true; + if (this.alphaTest > 0) data.alphaTest = this.alphaTest; + if (this.alphaHash === true) data.alphaHash = true; + if (this.alphaToCoverage === true) data.alphaToCoverage = true; + if (this.premultipliedAlpha === true) data.premultipliedAlpha = true; + if (this.forceSinglePass === true) data.forceSinglePass = true; + if (this.wireframe === true) data.wireframe = true; + if (this.wireframeLinewidth > 1) data.wireframeLinewidth = this.wireframeLinewidth; + if (this.wireframeLinecap !== "round") data.wireframeLinecap = this.wireframeLinecap; + if (this.wireframeLinejoin !== "round") data.wireframeLinejoin = this.wireframeLinejoin; + if (this.flatShading === true) data.flatShading = true; + if (this.visible === false) data.visible = false; + if (this.toneMapped === false) data.toneMapped = false; + if (this.fog === false) data.fog = false; + if (Object.keys(this.userData).length > 0) data.userData = this.userData; + function extractFromCache(cache) { + const values = []; + for (const key in cache) { + const data2 = cache[key]; + delete data2.metadata; + values.push(data2); + } + return values; + } + if (isRootObject) { + const textures = extractFromCache(meta.textures); + const images = extractFromCache(meta.images); + if (textures.length > 0) data.textures = textures; + if (images.length > 0) data.images = images; + } + return data; + } + /** + * Returns a new material with copied values from this instance. + * + * @return {Material} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Copies the values of the given material to this instance. + * + * @param {Material} source - The material to copy. + * @return {Material} A reference to this instance. + */ + copy(source) { + this.name = source.name; + this.blending = source.blending; + this.side = source.side; + this.vertexColors = source.vertexColors; + this.opacity = source.opacity; + this.transparent = source.transparent; + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; + this.blendColor.copy(source.blendColor); + this.blendAlpha = source.blendAlpha; + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; + this.stencilWriteMask = source.stencilWriteMask; + this.stencilFunc = source.stencilFunc; + this.stencilRef = source.stencilRef; + this.stencilFuncMask = source.stencilFuncMask; + this.stencilFail = source.stencilFail; + this.stencilZFail = source.stencilZFail; + this.stencilZPass = source.stencilZPass; + this.stencilWrite = source.stencilWrite; + const srcPlanes = source.clippingPlanes; + let dstPlanes = null; + if (srcPlanes !== null) { + const n = srcPlanes.length; + dstPlanes = new Array(n); + for (let i = 0; i !== n; ++i) { + dstPlanes[i] = srcPlanes[i].clone(); + } + } + this.clippingPlanes = dstPlanes; + this.clipIntersection = source.clipIntersection; + this.clipShadows = source.clipShadows; + this.shadowSide = source.shadowSide; + this.colorWrite = source.colorWrite; + this.precision = source.precision; + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; + this.dithering = source.dithering; + this.alphaTest = source.alphaTest; + this.alphaHash = source.alphaHash; + this.alphaToCoverage = source.alphaToCoverage; + this.premultipliedAlpha = source.premultipliedAlpha; + this.forceSinglePass = source.forceSinglePass; + this.visible = source.visible; + this.toneMapped = source.toneMapped; + this.userData = JSON.parse(JSON.stringify(source.userData)); + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + * + * @fires Material#dispose + */ + dispose() { + this.dispatchEvent({ type: "dispose" }); + } + /** + * Setting this property to `true` indicates the engine the material + * needs to be recompiled. + * + * @type {boolean} + * @default false + * @param {boolean} value + */ + set needsUpdate(value) { + if (value === true) this.version++; + } +}; +var MeshBasicMaterial = class extends Material { + /** + * Constructs a new mesh basic material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshBasicMaterial = true; + this.type = "MeshBasicMaterial"; + this.color = new Color(16777215); + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapRotation.copy(source.envMapRotation); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.fog = source.fog; + return this; + } +}; +var _tables = _generateTables(); +function _generateTables() { + const buffer = new ArrayBuffer(4); + const floatView = new Float32Array(buffer); + const uint32View = new Uint32Array(buffer); + const baseTable = new Uint32Array(512); + const shiftTable = new Uint32Array(512); + for (let i = 0; i < 256; ++i) { + const e = i - 127; + if (e < -27) { + baseTable[i] = 0; + baseTable[i | 256] = 32768; + shiftTable[i] = 24; + shiftTable[i | 256] = 24; + } else if (e < -14) { + baseTable[i] = 1024 >> -e - 14; + baseTable[i | 256] = 1024 >> -e - 14 | 32768; + shiftTable[i] = -e - 1; + shiftTable[i | 256] = -e - 1; + } else if (e <= 15) { + baseTable[i] = e + 15 << 10; + baseTable[i | 256] = e + 15 << 10 | 32768; + shiftTable[i] = 13; + shiftTable[i | 256] = 13; + } else if (e < 128) { + baseTable[i] = 31744; + baseTable[i | 256] = 64512; + shiftTable[i] = 24; + shiftTable[i | 256] = 24; + } else { + baseTable[i] = 31744; + baseTable[i | 256] = 64512; + shiftTable[i] = 13; + shiftTable[i | 256] = 13; + } + } + const mantissaTable = new Uint32Array(2048); + const exponentTable = new Uint32Array(64); + const offsetTable = new Uint32Array(64); + for (let i = 1; i < 1024; ++i) { + let m = i << 13; + let e = 0; + while ((m & 8388608) === 0) { + m <<= 1; + e -= 8388608; + } + m &= -8388609; + e += 947912704; + mantissaTable[i] = m | e; + } + for (let i = 1024; i < 2048; ++i) { + mantissaTable[i] = 939524096 + (i - 1024 << 13); + } + for (let i = 1; i < 31; ++i) { + exponentTable[i] = i << 23; + } + exponentTable[31] = 1199570944; + exponentTable[32] = 2147483648; + for (let i = 33; i < 63; ++i) { + exponentTable[i] = 2147483648 + (i - 32 << 23); + } + exponentTable[63] = 3347054592; + for (let i = 1; i < 64; ++i) { + if (i !== 32) { + offsetTable[i] = 1024; + } + } + return { + floatView, + uint32View, + baseTable, + shiftTable, + mantissaTable, + exponentTable, + offsetTable + }; +} +function toHalfFloat(val) { + if (Math.abs(val) > 65504) warn("DataUtils.toHalfFloat(): Value out of range."); + val = clamp(val, -65504, 65504); + _tables.floatView[0] = val; + const f = _tables.uint32View[0]; + const e = f >> 23 & 511; + return _tables.baseTable[e] + ((f & 8388607) >> _tables.shiftTable[e]); +} +function fromHalfFloat(val) { + const m = val >> 10; + _tables.uint32View[0] = _tables.mantissaTable[_tables.offsetTable[m] + (val & 1023)] + _tables.exponentTable[m]; + return _tables.floatView[0]; +} +var DataUtils = class { + /** + * Returns a half precision floating point value (FP16) from the given single + * precision floating point value (FP32). + * + * @param {number} val - A single precision floating point value. + * @return {number} The FP16 value. + */ + static toHalfFloat(val) { + return toHalfFloat(val); + } + /** + * Returns a single precision floating point value (FP32) from the given half + * precision floating point value (FP16). + * + * @param {number} val - A half precision floating point value. + * @return {number} The FP32 value. + */ + static fromHalfFloat(val) { + return fromHalfFloat(val); + } +}; +var _vector$9 = new Vector3(); +var _vector2$1 = new Vector2(); +var _id$2 = 0; +var BufferAttribute = class { + /** + * Constructs a new buffer attribute. + * + * @param {TypedArray} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized = false) { + if (Array.isArray(array)) { + throw new TypeError("THREE.BufferAttribute: array should be a Typed Array."); + } + this.isBufferAttribute = true; + Object.defineProperty(this, "id", { value: _id$2++ }); + this.name = ""; + this.array = array; + this.itemSize = itemSize; + this.count = array !== void 0 ? array.length / itemSize : 0; + this.normalized = normalized; + this.usage = StaticDrawUsage; + this.updateRanges = []; + this.gpuType = FloatType; + this.version = 0; + } + /** + * A callback function that is executed after the renderer has transferred the attribute + * array data to the GPU. + */ + onUploadCallback() { + } + /** + * Flag to indicate that this attribute has changed and should be re-sent to + * the GPU. Set this to `true` when you modify the value of the array. + * + * @type {number} + * @default false + * @param {boolean} value + */ + set needsUpdate(value) { + if (value === true) this.version++; + } + /** + * Sets the usage of this buffer attribute. + * + * @param {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)} value - The usage to set. + * @return {BufferAttribute} A reference to this buffer attribute. + */ + setUsage(value) { + this.usage = value; + return this; + } + /** + * Adds a range of data in the data array to be updated on the GPU. + * + * @param {number} start - Position at which to start update. + * @param {number} count - The number of components to update. + */ + addUpdateRange(start, count) { + this.updateRanges.push({ start, count }); + } + /** + * Clears the update ranges. + */ + clearUpdateRanges() { + this.updateRanges.length = 0; + } + /** + * Copies the values of the given buffer attribute to this instance. + * + * @param {BufferAttribute} source - The buffer attribute to copy. + * @return {BufferAttribute} A reference to this instance. + */ + copy(source) { + this.name = source.name; + this.array = new source.array.constructor(source.array); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; + this.usage = source.usage; + this.gpuType = source.gpuType; + return this; + } + /** + * Copies a vector from the given buffer attribute to this one. The start + * and destination position in the attribute buffers are represented by the + * given indices. + * + * @param {number} index1 - The destination index into this buffer attribute. + * @param {BufferAttribute} attribute - The buffer attribute to copy from. + * @param {number} index2 - The source index into the given buffer attribute. + * @return {BufferAttribute} A reference to this instance. + */ + copyAt(index1, attribute, index2) { + index1 *= this.itemSize; + index2 *= attribute.itemSize; + for (let i = 0, l = this.itemSize; i < l; i++) { + this.array[index1 + i] = attribute.array[index2 + i]; + } + return this; + } + /** + * Copies the given array data into this buffer attribute. + * + * @param {(TypedArray|Array)} array - The array to copy. + * @return {BufferAttribute} A reference to this instance. + */ + copyArray(array) { + this.array.set(array); + return this; + } + /** + * Applies the given 3x3 matrix to the given attribute. Works with + * item size `2` and `3`. + * + * @param {Matrix3} m - The matrix to apply. + * @return {BufferAttribute} A reference to this instance. + */ + applyMatrix3(m) { + if (this.itemSize === 2) { + for (let i = 0, l = this.count; i < l; i++) { + _vector2$1.fromBufferAttribute(this, i); + _vector2$1.applyMatrix3(m); + this.setXY(i, _vector2$1.x, _vector2$1.y); + } + } else if (this.itemSize === 3) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$9.fromBufferAttribute(this, i); + _vector$9.applyMatrix3(m); + this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z); + } + } + return this; + } + /** + * Applies the given 4x4 matrix to the given attribute. Only works with + * item size `3`. + * + * @param {Matrix4} m - The matrix to apply. + * @return {BufferAttribute} A reference to this instance. + */ + applyMatrix4(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$9.fromBufferAttribute(this, i); + _vector$9.applyMatrix4(m); + this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z); + } + return this; + } + /** + * Applies the given 3x3 normal matrix to the given attribute. Only works with + * item size `3`. + * + * @param {Matrix3} m - The normal matrix to apply. + * @return {BufferAttribute} A reference to this instance. + */ + applyNormalMatrix(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$9.fromBufferAttribute(this, i); + _vector$9.applyNormalMatrix(m); + this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z); + } + return this; + } + /** + * Applies the given 4x4 matrix to the given attribute. Only works with + * item size `3` and with direction vectors. + * + * @param {Matrix4} m - The matrix to apply. + * @return {BufferAttribute} A reference to this instance. + */ + transformDirection(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$9.fromBufferAttribute(this, i); + _vector$9.transformDirection(m); + this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z); + } + return this; + } + /** + * Sets the given array data in the buffer attribute. + * + * @param {(TypedArray|Array)} value - The array data to set. + * @param {number} [offset=0] - The offset in this buffer attribute's array. + * @return {BufferAttribute} A reference to this instance. + */ + set(value, offset = 0) { + this.array.set(value, offset); + return this; + } + /** + * Returns the given component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} component - The component index. + * @return {number} The returned value. + */ + getComponent(index, component) { + let value = this.array[index * this.itemSize + component]; + if (this.normalized) value = denormalize(value, this.array); + return value; + } + /** + * Sets the given value to the given component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} component - The component index. + * @param {number} value - The value to set. + * @return {BufferAttribute} A reference to this instance. + */ + setComponent(index, component, value) { + if (this.normalized) value = normalize(value, this.array); + this.array[index * this.itemSize + component] = value; + return this; + } + /** + * Returns the x component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @return {number} The x component. + */ + getX(index) { + let x = this.array[index * this.itemSize]; + if (this.normalized) x = denormalize(x, this.array); + return x; + } + /** + * Sets the x component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} x - The value to set. + * @return {BufferAttribute} A reference to this instance. + */ + setX(index, x) { + if (this.normalized) x = normalize(x, this.array); + this.array[index * this.itemSize] = x; + return this; + } + /** + * Returns the y component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @return {number} The y component. + */ + getY(index) { + let y = this.array[index * this.itemSize + 1]; + if (this.normalized) y = denormalize(y, this.array); + return y; + } + /** + * Sets the y component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} y - The value to set. + * @return {BufferAttribute} A reference to this instance. + */ + setY(index, y) { + if (this.normalized) y = normalize(y, this.array); + this.array[index * this.itemSize + 1] = y; + return this; + } + /** + * Returns the z component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @return {number} The z component. + */ + getZ(index) { + let z = this.array[index * this.itemSize + 2]; + if (this.normalized) z = denormalize(z, this.array); + return z; + } + /** + * Sets the z component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} z - The value to set. + * @return {BufferAttribute} A reference to this instance. + */ + setZ(index, z) { + if (this.normalized) z = normalize(z, this.array); + this.array[index * this.itemSize + 2] = z; + return this; + } + /** + * Returns the w component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @return {number} The w component. + */ + getW(index) { + let w = this.array[index * this.itemSize + 3]; + if (this.normalized) w = denormalize(w, this.array); + return w; + } + /** + * Sets the w component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} w - The value to set. + * @return {BufferAttribute} A reference to this instance. + */ + setW(index, w) { + if (this.normalized) w = normalize(w, this.array); + this.array[index * this.itemSize + 3] = w; + return this; + } + /** + * Sets the x and y component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} x - The value for the x component to set. + * @param {number} y - The value for the y component to set. + * @return {BufferAttribute} A reference to this instance. + */ + setXY(index, x, y) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + } + this.array[index + 0] = x; + this.array[index + 1] = y; + return this; + } + /** + * Sets the x, y and z component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} x - The value for the x component to set. + * @param {number} y - The value for the y component to set. + * @param {number} z - The value for the z component to set. + * @return {BufferAttribute} A reference to this instance. + */ + setXYZ(index, x, y, z) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + } + this.array[index + 0] = x; + this.array[index + 1] = y; + this.array[index + 2] = z; + return this; + } + /** + * Sets the x, y, z and w component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} x - The value for the x component to set. + * @param {number} y - The value for the y component to set. + * @param {number} z - The value for the z component to set. + * @param {number} w - The value for the w component to set. + * @return {BufferAttribute} A reference to this instance. + */ + setXYZW(index, x, y, z, w) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + w = normalize(w, this.array); + } + this.array[index + 0] = x; + this.array[index + 1] = y; + this.array[index + 2] = z; + this.array[index + 3] = w; + return this; + } + /** + * Sets the given callback function that is executed after the Renderer has transferred + * the attribute array data to the GPU. Can be used to perform clean-up operations after + * the upload when attribute data are not needed anymore on the CPU side. + * + * @param {Function} callback - The `onUpload()` callback. + * @return {BufferAttribute} A reference to this instance. + */ + onUpload(callback) { + this.onUploadCallback = callback; + return this; + } + /** + * Returns a new buffer attribute with copied values from this instance. + * + * @return {BufferAttribute} A clone of this instance. + */ + clone() { + return new this.constructor(this.array, this.itemSize).copy(this); + } + /** + * Serializes the buffer attribute into JSON. + * + * @return {Object} A JSON object representing the serialized buffer attribute. + */ + toJSON() { + const data = { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: Array.from(this.array), + normalized: this.normalized + }; + if (this.name !== "") data.name = this.name; + if (this.usage !== StaticDrawUsage) data.usage = this.usage; + return data; + } +}; +var Int8BufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Int8Array)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Int8Array(array), itemSize, normalized); + } +}; +var Uint8BufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Uint8Array)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Uint8Array(array), itemSize, normalized); + } +}; +var Uint8ClampedBufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Uint8ClampedArray)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Uint8ClampedArray(array), itemSize, normalized); + } +}; +var Int16BufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Int16Array)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Int16Array(array), itemSize, normalized); + } +}; +var Uint16BufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Uint16Array)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Uint16Array(array), itemSize, normalized); + } +}; +var Int32BufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Int32Array)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Int32Array(array), itemSize, normalized); + } +}; +var Uint32BufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Uint32Array)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Uint32Array(array), itemSize, normalized); + } +}; +var Float16BufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Uint16Array)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Uint16Array(array), itemSize, normalized); + this.isFloat16BufferAttribute = true; + } + getX(index) { + let x = fromHalfFloat(this.array[index * this.itemSize]); + if (this.normalized) x = denormalize(x, this.array); + return x; + } + setX(index, x) { + if (this.normalized) x = normalize(x, this.array); + this.array[index * this.itemSize] = toHalfFloat(x); + return this; + } + getY(index) { + let y = fromHalfFloat(this.array[index * this.itemSize + 1]); + if (this.normalized) y = denormalize(y, this.array); + return y; + } + setY(index, y) { + if (this.normalized) y = normalize(y, this.array); + this.array[index * this.itemSize + 1] = toHalfFloat(y); + return this; + } + getZ(index) { + let z = fromHalfFloat(this.array[index * this.itemSize + 2]); + if (this.normalized) z = denormalize(z, this.array); + return z; + } + setZ(index, z) { + if (this.normalized) z = normalize(z, this.array); + this.array[index * this.itemSize + 2] = toHalfFloat(z); + return this; + } + getW(index) { + let w = fromHalfFloat(this.array[index * this.itemSize + 3]); + if (this.normalized) w = denormalize(w, this.array); + return w; + } + setW(index, w) { + if (this.normalized) w = normalize(w, this.array); + this.array[index * this.itemSize + 3] = toHalfFloat(w); + return this; + } + setXY(index, x, y) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + } + this.array[index + 0] = toHalfFloat(x); + this.array[index + 1] = toHalfFloat(y); + return this; + } + setXYZ(index, x, y, z) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + } + this.array[index + 0] = toHalfFloat(x); + this.array[index + 1] = toHalfFloat(y); + this.array[index + 2] = toHalfFloat(z); + return this; + } + setXYZW(index, x, y, z, w) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + w = normalize(w, this.array); + } + this.array[index + 0] = toHalfFloat(x); + this.array[index + 1] = toHalfFloat(y); + this.array[index + 2] = toHalfFloat(z); + this.array[index + 3] = toHalfFloat(w); + return this; + } +}; +var Float32BufferAttribute = class extends BufferAttribute { + /** + * Constructs a new buffer attribute. + * + * @param {(Array|Float32Array)} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(array, itemSize, normalized) { + super(new Float32Array(array), itemSize, normalized); + } +}; +var _id$1 = 0; +var _m1 = new Matrix4(); +var _obj = new Object3D(); +var _offset = new Vector3(); +var _box$2 = new Box3(); +var _boxMorphTargets = new Box3(); +var _vector$8 = new Vector3(); +var BufferGeometry = class _BufferGeometry extends EventDispatcher { + /** + * Constructs a new geometry. + */ + constructor() { + super(); + this.isBufferGeometry = true; + Object.defineProperty(this, "id", { value: _id$1++ }); + this.uuid = generateUUID(); + this.name = ""; + this.type = "BufferGeometry"; + this.index = null; + this.indirect = null; + this.attributes = {}; + this.morphAttributes = {}; + this.morphTargetsRelative = false; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + this.drawRange = { start: 0, count: Infinity }; + this.userData = {}; + } + /** + * Returns the index of this geometry. + * + * @return {?BufferAttribute} The index. Returns `null` if no index is defined. + */ + getIndex() { + return this.index; + } + /** + * Sets the given index to this geometry. + * + * @param {Array|BufferAttribute} index - The index to set. + * @return {BufferGeometry} A reference to this instance. + */ + setIndex(index) { + if (Array.isArray(index)) { + this.index = new (arrayNeedsUint32(index) ? Uint32BufferAttribute : Uint16BufferAttribute)(index, 1); + } else { + this.index = index; + } + return this; + } + /** + * Sets the given indirect attribute to this geometry. + * + * @param {BufferAttribute} indirect - The attribute holding indirect draw calls. + * @return {BufferGeometry} A reference to this instance. + */ + setIndirect(indirect) { + this.indirect = indirect; + return this; + } + /** + * Returns the indirect attribute of this geometry. + * + * @return {?BufferAttribute} The indirect attribute. Returns `null` if no indirect attribute is defined. + */ + getIndirect() { + return this.indirect; + } + /** + * Returns the buffer attribute for the given name. + * + * @param {string} name - The attribute name. + * @return {BufferAttribute|InterleavedBufferAttribute|undefined} The buffer attribute. + * Returns `undefined` if not attribute has been found. + */ + getAttribute(name) { + return this.attributes[name]; + } + /** + * Sets the given attribute for the given name. + * + * @param {string} name - The attribute name. + * @param {BufferAttribute|InterleavedBufferAttribute} attribute - The attribute to set. + * @return {BufferGeometry} A reference to this instance. + */ + setAttribute(name, attribute) { + this.attributes[name] = attribute; + return this; + } + /** + * Deletes the attribute for the given name. + * + * @param {string} name - The attribute name to delete. + * @return {BufferGeometry} A reference to this instance. + */ + deleteAttribute(name) { + delete this.attributes[name]; + return this; + } + /** + * Returns `true` if this geometry has an attribute for the given name. + * + * @param {string} name - The attribute name. + * @return {boolean} Whether this geometry has an attribute for the given name or not. + */ + hasAttribute(name) { + return this.attributes[name] !== void 0; + } + /** + * Adds a group to this geometry. + * + * @param {number} start - The first element in this draw call. That is the first + * vertex for non-indexed geometry, otherwise the first triangle index. + * @param {number} count - Specifies how many vertices (or indices) are part of this group. + * @param {number} [materialIndex=0] - The material array index to use. + */ + addGroup(start, count, materialIndex = 0) { + this.groups.push({ + start, + count, + materialIndex + }); + } + /** + * Clears all groups. + */ + clearGroups() { + this.groups = []; + } + /** + * Sets the draw range for this geometry. + * + * @param {number} start - The first vertex for non-indexed geometry, otherwise the first triangle index. + * @param {number} count - For non-indexed BufferGeometry, `count` is the number of vertices to render. + * For indexed BufferGeometry, `count` is the number of indices to render. + */ + setDrawRange(start, count) { + this.drawRange.start = start; + this.drawRange.count = count; + } + /** + * Applies the given 4x4 transformation matrix to the geometry. + * + * @param {Matrix4} matrix - The matrix to apply. + * @return {BufferGeometry} A reference to this instance. + */ + applyMatrix4(matrix) { + const position = this.attributes.position; + if (position !== void 0) { + position.applyMatrix4(matrix); + position.needsUpdate = true; + } + const normal = this.attributes.normal; + if (normal !== void 0) { + const normalMatrix = new Matrix3().getNormalMatrix(matrix); + normal.applyNormalMatrix(normalMatrix); + normal.needsUpdate = true; + } + const tangent = this.attributes.tangent; + if (tangent !== void 0) { + tangent.transformDirection(matrix); + tangent.needsUpdate = true; + } + if (this.boundingBox !== null) { + this.computeBoundingBox(); + } + if (this.boundingSphere !== null) { + this.computeBoundingSphere(); + } + return this; + } + /** + * Applies the rotation represented by the Quaternion to the geometry. + * + * @param {Quaternion} q - The Quaternion to apply. + * @return {BufferGeometry} A reference to this instance. + */ + applyQuaternion(q) { + _m1.makeRotationFromQuaternion(q); + this.applyMatrix4(_m1); + return this; + } + /** + * Rotates the geometry about the X axis. This is typically done as a one time + * operation, and not during a loop. Use {@link Object3D#rotation} for typical + * real-time mesh rotation. + * + * @param {number} angle - The angle in radians. + * @return {BufferGeometry} A reference to this instance. + */ + rotateX(angle) { + _m1.makeRotationX(angle); + this.applyMatrix4(_m1); + return this; + } + /** + * Rotates the geometry about the Y axis. This is typically done as a one time + * operation, and not during a loop. Use {@link Object3D#rotation} for typical + * real-time mesh rotation. + * + * @param {number} angle - The angle in radians. + * @return {BufferGeometry} A reference to this instance. + */ + rotateY(angle) { + _m1.makeRotationY(angle); + this.applyMatrix4(_m1); + return this; + } + /** + * Rotates the geometry about the Z axis. This is typically done as a one time + * operation, and not during a loop. Use {@link Object3D#rotation} for typical + * real-time mesh rotation. + * + * @param {number} angle - The angle in radians. + * @return {BufferGeometry} A reference to this instance. + */ + rotateZ(angle) { + _m1.makeRotationZ(angle); + this.applyMatrix4(_m1); + return this; + } + /** + * Translates the geometry. This is typically done as a one time + * operation, and not during a loop. Use {@link Object3D#position} for typical + * real-time mesh rotation. + * + * @param {number} x - The x offset. + * @param {number} y - The y offset. + * @param {number} z - The z offset. + * @return {BufferGeometry} A reference to this instance. + */ + translate(x, y, z) { + _m1.makeTranslation(x, y, z); + this.applyMatrix4(_m1); + return this; + } + /** + * Scales the geometry. This is typically done as a one time + * operation, and not during a loop. Use {@link Object3D#scale} for typical + * real-time mesh rotation. + * + * @param {number} x - The x scale. + * @param {number} y - The y scale. + * @param {number} z - The z scale. + * @return {BufferGeometry} A reference to this instance. + */ + scale(x, y, z) { + _m1.makeScale(x, y, z); + this.applyMatrix4(_m1); + return this; + } + /** + * Rotates the geometry to face a point in 3D space. This is typically done as a one time + * operation, and not during a loop. Use {@link Object3D#lookAt} for typical + * real-time mesh rotation. + * + * @param {Vector3} vector - The target point. + * @return {BufferGeometry} A reference to this instance. + */ + lookAt(vector) { + _obj.lookAt(vector); + _obj.updateMatrix(); + this.applyMatrix4(_obj.matrix); + return this; + } + /** + * Center the geometry based on its bounding box. + * + * @return {BufferGeometry} A reference to this instance. + */ + center() { + this.computeBoundingBox(); + this.boundingBox.getCenter(_offset).negate(); + this.translate(_offset.x, _offset.y, _offset.z); + return this; + } + /** + * Defines a geometry by creating a `position` attribute based on the given array of points. The array + * can hold 2D or 3D vectors. When using two-dimensional data, the `z` coordinate for all vertices is + * set to `0`. + * + * If the method is used with an existing `position` attribute, the vertex data are overwritten with the + * data from the array. The length of the array must match the vertex count. + * + * @param {Array|Array} points - The points. + * @return {BufferGeometry} A reference to this instance. + */ + setFromPoints(points) { + const positionAttribute = this.getAttribute("position"); + if (positionAttribute === void 0) { + const position = []; + for (let i = 0, l = points.length; i < l; i++) { + const point = points[i]; + position.push(point.x, point.y, point.z || 0); + } + this.setAttribute("position", new Float32BufferAttribute(position, 3)); + } else { + const l = Math.min(points.length, positionAttribute.count); + for (let i = 0; i < l; i++) { + const point = points[i]; + positionAttribute.setXYZ(i, point.x, point.y, point.z || 0); + } + if (points.length > positionAttribute.count) { + warn("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."); + } + positionAttribute.needsUpdate = true; + } + return this; + } + /** + * Computes the bounding box of the geometry, and updates the `boundingBox` member. + * The bounding box is not computed by the engine; it must be computed by your app. + * You may need to recompute the bounding box if the geometry vertices are modified. + */ + computeBoundingBox() { + if (this.boundingBox === null) { + this.boundingBox = new Box3(); + } + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + if (position && position.isGLBufferAttribute) { + error("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.", this); + this.boundingBox.set( + new Vector3(-Infinity, -Infinity, -Infinity), + new Vector3(Infinity, Infinity, Infinity) + ); + return; + } + if (position !== void 0) { + this.boundingBox.setFromBufferAttribute(position); + if (morphAttributesPosition) { + for (let i = 0, il = morphAttributesPosition.length; i < il; i++) { + const morphAttribute = morphAttributesPosition[i]; + _box$2.setFromBufferAttribute(morphAttribute); + if (this.morphTargetsRelative) { + _vector$8.addVectors(this.boundingBox.min, _box$2.min); + this.boundingBox.expandByPoint(_vector$8); + _vector$8.addVectors(this.boundingBox.max, _box$2.max); + this.boundingBox.expandByPoint(_vector$8); + } else { + this.boundingBox.expandByPoint(_box$2.min); + this.boundingBox.expandByPoint(_box$2.max); + } + } + } + } else { + this.boundingBox.makeEmpty(); + } + if (isNaN(this.boundingBox.min.x) || isNaN(this.boundingBox.min.y) || isNaN(this.boundingBox.min.z)) { + error('BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this); + } + } + /** + * Computes the bounding sphere of the geometry, and updates the `boundingSphere` member. + * The engine automatically computes the bounding sphere when it is needed, e.g., for ray casting or view frustum culling. + * You may need to recompute the bounding sphere if the geometry vertices are modified. + */ + computeBoundingSphere() { + if (this.boundingSphere === null) { + this.boundingSphere = new Sphere(); + } + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + if (position && position.isGLBufferAttribute) { + error("BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.", this); + this.boundingSphere.set(new Vector3(), Infinity); + return; + } + if (position) { + const center = this.boundingSphere.center; + _box$2.setFromBufferAttribute(position); + if (morphAttributesPosition) { + for (let i = 0, il = morphAttributesPosition.length; i < il; i++) { + const morphAttribute = morphAttributesPosition[i]; + _boxMorphTargets.setFromBufferAttribute(morphAttribute); + if (this.morphTargetsRelative) { + _vector$8.addVectors(_box$2.min, _boxMorphTargets.min); + _box$2.expandByPoint(_vector$8); + _vector$8.addVectors(_box$2.max, _boxMorphTargets.max); + _box$2.expandByPoint(_vector$8); + } else { + _box$2.expandByPoint(_boxMorphTargets.min); + _box$2.expandByPoint(_boxMorphTargets.max); + } + } + } + _box$2.getCenter(center); + let maxRadiusSq = 0; + for (let i = 0, il = position.count; i < il; i++) { + _vector$8.fromBufferAttribute(position, i); + maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(_vector$8)); + } + if (morphAttributesPosition) { + for (let i = 0, il = morphAttributesPosition.length; i < il; i++) { + const morphAttribute = morphAttributesPosition[i]; + const morphTargetsRelative = this.morphTargetsRelative; + for (let j = 0, jl = morphAttribute.count; j < jl; j++) { + _vector$8.fromBufferAttribute(morphAttribute, j); + if (morphTargetsRelative) { + _offset.fromBufferAttribute(position, j); + _vector$8.add(_offset); + } + maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(_vector$8)); + } + } + } + this.boundingSphere.radius = Math.sqrt(maxRadiusSq); + if (isNaN(this.boundingSphere.radius)) { + error('BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this); + } + } + } + /** + * Calculates and adds a tangent attribute to this geometry. + * + * The computation is only supported for indexed geometries and if position, normal, and uv attributes + * are defined. When using a tangent space normal map, prefer the MikkTSpace algorithm provided by + * {@link BufferGeometryUtils#computeMikkTSpaceTangents} instead. + */ + computeTangents() { + const index = this.index; + const attributes = this.attributes; + if (index === null || attributes.position === void 0 || attributes.normal === void 0 || attributes.uv === void 0) { + error("BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)"); + return; + } + const positionAttribute = attributes.position; + const normalAttribute = attributes.normal; + const uvAttribute = attributes.uv; + if (this.hasAttribute("tangent") === false) { + this.setAttribute("tangent", new BufferAttribute(new Float32Array(4 * positionAttribute.count), 4)); + } + const tangentAttribute = this.getAttribute("tangent"); + const tan1 = [], tan2 = []; + for (let i = 0; i < positionAttribute.count; i++) { + tan1[i] = new Vector3(); + tan2[i] = new Vector3(); + } + const vA = new Vector3(), vB = new Vector3(), vC = new Vector3(), uvA = new Vector2(), uvB = new Vector2(), uvC = new Vector2(), sdir = new Vector3(), tdir = new Vector3(); + function handleTriangle(a, b, c) { + vA.fromBufferAttribute(positionAttribute, a); + vB.fromBufferAttribute(positionAttribute, b); + vC.fromBufferAttribute(positionAttribute, c); + uvA.fromBufferAttribute(uvAttribute, a); + uvB.fromBufferAttribute(uvAttribute, b); + uvC.fromBufferAttribute(uvAttribute, c); + vB.sub(vA); + vC.sub(vA); + uvB.sub(uvA); + uvC.sub(uvA); + const r = 1 / (uvB.x * uvC.y - uvC.x * uvB.y); + if (!isFinite(r)) return; + sdir.copy(vB).multiplyScalar(uvC.y).addScaledVector(vC, -uvB.y).multiplyScalar(r); + tdir.copy(vC).multiplyScalar(uvB.x).addScaledVector(vB, -uvC.x).multiplyScalar(r); + tan1[a].add(sdir); + tan1[b].add(sdir); + tan1[c].add(sdir); + tan2[a].add(tdir); + tan2[b].add(tdir); + tan2[c].add(tdir); + } + let groups = this.groups; + if (groups.length === 0) { + groups = [{ + start: 0, + count: index.count + }]; + } + for (let i = 0, il = groups.length; i < il; ++i) { + const group = groups[i]; + const start = group.start; + const count = group.count; + for (let j = start, jl = start + count; j < jl; j += 3) { + handleTriangle( + index.getX(j + 0), + index.getX(j + 1), + index.getX(j + 2) + ); + } + } + const tmp2 = new Vector3(), tmp22 = new Vector3(); + const n = new Vector3(), n2 = new Vector3(); + function handleVertex(v) { + n.fromBufferAttribute(normalAttribute, v); + n2.copy(n); + const t = tan1[v]; + tmp2.copy(t); + tmp2.sub(n.multiplyScalar(n.dot(t))).normalize(); + tmp22.crossVectors(n2, t); + const test = tmp22.dot(tan2[v]); + const w = test < 0 ? -1 : 1; + tangentAttribute.setXYZW(v, tmp2.x, tmp2.y, tmp2.z, w); + } + for (let i = 0, il = groups.length; i < il; ++i) { + const group = groups[i]; + const start = group.start; + const count = group.count; + for (let j = start, jl = start + count; j < jl; j += 3) { + handleVertex(index.getX(j + 0)); + handleVertex(index.getX(j + 1)); + handleVertex(index.getX(j + 2)); + } + } + } + /** + * Computes vertex normals for the given vertex data. For indexed geometries, the method sets + * each vertex normal to be the average of the face normals of the faces that share that vertex. + * For non-indexed geometries, vertices are not shared, and the method sets each vertex normal + * to be the same as the face normal. + */ + computeVertexNormals() { + const index = this.index; + const positionAttribute = this.getAttribute("position"); + if (positionAttribute !== void 0) { + let normalAttribute = this.getAttribute("normal"); + if (normalAttribute === void 0) { + normalAttribute = new BufferAttribute(new Float32Array(positionAttribute.count * 3), 3); + this.setAttribute("normal", normalAttribute); + } else { + for (let i = 0, il = normalAttribute.count; i < il; i++) { + normalAttribute.setXYZ(i, 0, 0, 0); + } + } + const pA = new Vector3(), pB = new Vector3(), pC = new Vector3(); + const nA = new Vector3(), nB = new Vector3(), nC = new Vector3(); + const cb = new Vector3(), ab = new Vector3(); + if (index) { + for (let i = 0, il = index.count; i < il; i += 3) { + const vA = index.getX(i + 0); + const vB = index.getX(i + 1); + const vC = index.getX(i + 2); + pA.fromBufferAttribute(positionAttribute, vA); + pB.fromBufferAttribute(positionAttribute, vB); + pC.fromBufferAttribute(positionAttribute, vC); + cb.subVectors(pC, pB); + ab.subVectors(pA, pB); + cb.cross(ab); + nA.fromBufferAttribute(normalAttribute, vA); + nB.fromBufferAttribute(normalAttribute, vB); + nC.fromBufferAttribute(normalAttribute, vC); + nA.add(cb); + nB.add(cb); + nC.add(cb); + normalAttribute.setXYZ(vA, nA.x, nA.y, nA.z); + normalAttribute.setXYZ(vB, nB.x, nB.y, nB.z); + normalAttribute.setXYZ(vC, nC.x, nC.y, nC.z); + } + } else { + for (let i = 0, il = positionAttribute.count; i < il; i += 3) { + pA.fromBufferAttribute(positionAttribute, i + 0); + pB.fromBufferAttribute(positionAttribute, i + 1); + pC.fromBufferAttribute(positionAttribute, i + 2); + cb.subVectors(pC, pB); + ab.subVectors(pA, pB); + cb.cross(ab); + normalAttribute.setXYZ(i + 0, cb.x, cb.y, cb.z); + normalAttribute.setXYZ(i + 1, cb.x, cb.y, cb.z); + normalAttribute.setXYZ(i + 2, cb.x, cb.y, cb.z); + } + } + this.normalizeNormals(); + normalAttribute.needsUpdate = true; + } + } + /** + * Ensures every normal vector in a geometry will have a magnitude of `1`. This will + * correct lighting on the geometry surfaces. + */ + normalizeNormals() { + const normals = this.attributes.normal; + for (let i = 0, il = normals.count; i < il; i++) { + _vector$8.fromBufferAttribute(normals, i); + _vector$8.normalize(); + normals.setXYZ(i, _vector$8.x, _vector$8.y, _vector$8.z); + } + } + /** + * Return a new non-index version of this indexed geometry. If the geometry + * is already non-indexed, the method is a NOOP. + * + * @return {BufferGeometry} The non-indexed version of this indexed geometry. + */ + toNonIndexed() { + function convertBufferAttribute(attribute, indices2) { + const array = attribute.array; + const itemSize = attribute.itemSize; + const normalized = attribute.normalized; + const array2 = new array.constructor(indices2.length * itemSize); + let index = 0, index2 = 0; + for (let i = 0, l = indices2.length; i < l; i++) { + if (attribute.isInterleavedBufferAttribute) { + index = indices2[i] * attribute.data.stride + attribute.offset; + } else { + index = indices2[i] * itemSize; + } + for (let j = 0; j < itemSize; j++) { + array2[index2++] = array[index++]; + } + } + return new BufferAttribute(array2, itemSize, normalized); + } + if (this.index === null) { + warn("BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."); + return this; + } + const geometry2 = new _BufferGeometry(); + const indices = this.index.array; + const attributes = this.attributes; + for (const name in attributes) { + const attribute = attributes[name]; + const newAttribute = convertBufferAttribute(attribute, indices); + geometry2.setAttribute(name, newAttribute); + } + const morphAttributes = this.morphAttributes; + for (const name in morphAttributes) { + const morphArray = []; + const morphAttribute = morphAttributes[name]; + for (let i = 0, il = morphAttribute.length; i < il; i++) { + const attribute = morphAttribute[i]; + const newAttribute = convertBufferAttribute(attribute, indices); + morphArray.push(newAttribute); + } + geometry2.morphAttributes[name] = morphArray; + } + geometry2.morphTargetsRelative = this.morphTargetsRelative; + const groups = this.groups; + for (let i = 0, l = groups.length; i < l; i++) { + const group = groups[i]; + geometry2.addGroup(group.start, group.count, group.materialIndex); + } + return geometry2; + } + /** + * Serializes the geometry into JSON. + * + * @return {Object} A JSON object representing the serialized geometry. + */ + toJSON() { + const data = { + metadata: { + version: 4.7, + type: "BufferGeometry", + generator: "BufferGeometry.toJSON" + } + }; + data.uuid = this.uuid; + data.type = this.type; + if (this.name !== "") data.name = this.name; + if (Object.keys(this.userData).length > 0) data.userData = this.userData; + if (this.parameters !== void 0) { + const parameters = this.parameters; + for (const key in parameters) { + if (parameters[key] !== void 0) data[key] = parameters[key]; + } + return data; + } + data.data = { attributes: {} }; + const index = this.index; + if (index !== null) { + data.data.index = { + type: index.array.constructor.name, + array: Array.prototype.slice.call(index.array) + }; + } + const attributes = this.attributes; + for (const key in attributes) { + const attribute = attributes[key]; + data.data.attributes[key] = attribute.toJSON(data.data); + } + const morphAttributes = {}; + let hasMorphAttributes = false; + for (const key in this.morphAttributes) { + const attributeArray = this.morphAttributes[key]; + const array = []; + for (let i = 0, il = attributeArray.length; i < il; i++) { + const attribute = attributeArray[i]; + array.push(attribute.toJSON(data.data)); + } + if (array.length > 0) { + morphAttributes[key] = array; + hasMorphAttributes = true; + } + } + if (hasMorphAttributes) { + data.data.morphAttributes = morphAttributes; + data.data.morphTargetsRelative = this.morphTargetsRelative; + } + const groups = this.groups; + if (groups.length > 0) { + data.data.groups = JSON.parse(JSON.stringify(groups)); + } + const boundingSphere = this.boundingSphere; + if (boundingSphere !== null) { + data.data.boundingSphere = boundingSphere.toJSON(); + } + return data; + } + /** + * Returns a new geometry with copied values from this instance. + * + * @return {BufferGeometry} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Copies the values of the given geometry to this instance. + * + * @param {BufferGeometry} source - The geometry to copy. + * @return {BufferGeometry} A reference to this instance. + */ + copy(source) { + this.index = null; + this.attributes = {}; + this.morphAttributes = {}; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + const data = {}; + this.name = source.name; + const index = source.index; + if (index !== null) { + this.setIndex(index.clone()); + } + const attributes = source.attributes; + for (const name in attributes) { + const attribute = attributes[name]; + this.setAttribute(name, attribute.clone(data)); + } + const morphAttributes = source.morphAttributes; + for (const name in morphAttributes) { + const array = []; + const morphAttribute = morphAttributes[name]; + for (let i = 0, l = morphAttribute.length; i < l; i++) { + array.push(morphAttribute[i].clone(data)); + } + this.morphAttributes[name] = array; + } + this.morphTargetsRelative = source.morphTargetsRelative; + const groups = source.groups; + for (let i = 0, l = groups.length; i < l; i++) { + const group = groups[i]; + this.addGroup(group.start, group.count, group.materialIndex); + } + const boundingBox = source.boundingBox; + if (boundingBox !== null) { + this.boundingBox = boundingBox.clone(); + } + const boundingSphere = source.boundingSphere; + if (boundingSphere !== null) { + this.boundingSphere = boundingSphere.clone(); + } + this.drawRange.start = source.drawRange.start; + this.drawRange.count = source.drawRange.count; + this.userData = source.userData; + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + * + * @fires BufferGeometry#dispose + */ + dispose() { + this.dispatchEvent({ type: "dispose" }); + } +}; +var _inverseMatrix$3 = new Matrix4(); +var _ray$3 = new Ray(); +var _sphere$6 = new Sphere(); +var _sphereHitAt = new Vector3(); +var _vA$1 = new Vector3(); +var _vB$1 = new Vector3(); +var _vC$1 = new Vector3(); +var _tempA = new Vector3(); +var _morphA = new Vector3(); +var _intersectionPoint = new Vector3(); +var _intersectionPointWorld = new Vector3(); +var Mesh = class extends Object3D { + /** + * Constructs a new mesh. + * + * @param {BufferGeometry} [geometry] - The mesh geometry. + * @param {Material|Array} [material] - The mesh material. + */ + constructor(geometry = new BufferGeometry(), material = new MeshBasicMaterial()) { + super(); + this.isMesh = true; + this.type = "Mesh"; + this.geometry = geometry; + this.material = material; + this.morphTargetDictionary = void 0; + this.morphTargetInfluences = void 0; + this.count = 1; + this.updateMorphTargets(); + } + copy(source, recursive) { + super.copy(source, recursive); + if (source.morphTargetInfluences !== void 0) { + this.morphTargetInfluences = source.morphTargetInfluences.slice(); + } + if (source.morphTargetDictionary !== void 0) { + this.morphTargetDictionary = Object.assign({}, source.morphTargetDictionary); + } + this.material = Array.isArray(source.material) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + /** + * Sets the values of {@link Mesh#morphTargetDictionary} and {@link Mesh#morphTargetInfluences} + * to make sure existing morph targets can influence this 3D object. + */ + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys(morphAttributes); + if (keys.length > 0) { + const morphAttribute = morphAttributes[keys[0]]; + if (morphAttribute !== void 0) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for (let m = 0, ml = morphAttribute.length; m < ml; m++) { + const name = morphAttribute[m].name || String(m); + this.morphTargetInfluences.push(0); + this.morphTargetDictionary[name] = m; + } + } + } + } + /** + * Returns the local-space position of the vertex at the given index, taking into + * account the current animation state of both morph targets and skinning. + * + * @param {number} index - The vertex index. + * @param {Vector3} target - The target object that is used to store the method's result. + * @return {Vector3} The vertex position in local space. + */ + getVertexPosition(index, target) { + const geometry = this.geometry; + const position = geometry.attributes.position; + const morphPosition = geometry.morphAttributes.position; + const morphTargetsRelative = geometry.morphTargetsRelative; + target.fromBufferAttribute(position, index); + const morphInfluences = this.morphTargetInfluences; + if (morphPosition && morphInfluences) { + _morphA.set(0, 0, 0); + for (let i = 0, il = morphPosition.length; i < il; i++) { + const influence = morphInfluences[i]; + const morphAttribute = morphPosition[i]; + if (influence === 0) continue; + _tempA.fromBufferAttribute(morphAttribute, index); + if (morphTargetsRelative) { + _morphA.addScaledVector(_tempA, influence); + } else { + _morphA.addScaledVector(_tempA.sub(target), influence); + } + } + target.add(_morphA); + } + return target; + } + /** + * Computes intersection points between a casted ray and this line. + * + * @param {Raycaster} raycaster - The raycaster. + * @param {Array} intersects - The target array that holds the intersection points. + */ + raycast(raycaster, intersects2) { + const geometry = this.geometry; + const material = this.material; + const matrixWorld = this.matrixWorld; + if (material === void 0) return; + if (geometry.boundingSphere === null) geometry.computeBoundingSphere(); + _sphere$6.copy(geometry.boundingSphere); + _sphere$6.applyMatrix4(matrixWorld); + _ray$3.copy(raycaster.ray).recast(raycaster.near); + if (_sphere$6.containsPoint(_ray$3.origin) === false) { + if (_ray$3.intersectSphere(_sphere$6, _sphereHitAt) === null) return; + if (_ray$3.origin.distanceToSquared(_sphereHitAt) > (raycaster.far - raycaster.near) ** 2) return; + } + _inverseMatrix$3.copy(matrixWorld).invert(); + _ray$3.copy(raycaster.ray).applyMatrix4(_inverseMatrix$3); + if (geometry.boundingBox !== null) { + if (_ray$3.intersectsBox(geometry.boundingBox) === false) return; + } + this._computeIntersections(raycaster, intersects2, _ray$3); + } + _computeIntersections(raycaster, intersects2, rayLocalSpace) { + let intersection; + const geometry = this.geometry; + const material = this.material; + const index = geometry.index; + const position = geometry.attributes.position; + const uv = geometry.attributes.uv; + const uv1 = geometry.attributes.uv1; + const normal = geometry.attributes.normal; + const groups = geometry.groups; + const drawRange = geometry.drawRange; + if (index !== null) { + if (Array.isArray(material)) { + for (let i = 0, il = groups.length; i < il; i++) { + const group = groups[i]; + const groupMaterial = material[group.materialIndex]; + const start = Math.max(group.start, drawRange.start); + const end = Math.min(index.count, Math.min(group.start + group.count, drawRange.start + drawRange.count)); + for (let j = start, jl = end; j < jl; j += 3) { + const a = index.getX(j); + const b = index.getX(j + 1); + const c = index.getX(j + 2); + intersection = checkGeometryIntersection(this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c); + if (intersection) { + intersection.faceIndex = Math.floor(j / 3); + intersection.face.materialIndex = group.materialIndex; + intersects2.push(intersection); + } + } + } + } else { + const start = Math.max(0, drawRange.start); + const end = Math.min(index.count, drawRange.start + drawRange.count); + for (let i = start, il = end; i < il; i += 3) { + const a = index.getX(i); + const b = index.getX(i + 1); + const c = index.getX(i + 2); + intersection = checkGeometryIntersection(this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c); + if (intersection) { + intersection.faceIndex = Math.floor(i / 3); + intersects2.push(intersection); + } + } + } + } else if (position !== void 0) { + if (Array.isArray(material)) { + for (let i = 0, il = groups.length; i < il; i++) { + const group = groups[i]; + const groupMaterial = material[group.materialIndex]; + const start = Math.max(group.start, drawRange.start); + const end = Math.min(position.count, Math.min(group.start + group.count, drawRange.start + drawRange.count)); + for (let j = start, jl = end; j < jl; j += 3) { + const a = j; + const b = j + 1; + const c = j + 2; + intersection = checkGeometryIntersection(this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c); + if (intersection) { + intersection.faceIndex = Math.floor(j / 3); + intersection.face.materialIndex = group.materialIndex; + intersects2.push(intersection); + } + } + } + } else { + const start = Math.max(0, drawRange.start); + const end = Math.min(position.count, drawRange.start + drawRange.count); + for (let i = start, il = end; i < il; i += 3) { + const a = i; + const b = i + 1; + const c = i + 2; + intersection = checkGeometryIntersection(this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c); + if (intersection) { + intersection.faceIndex = Math.floor(i / 3); + intersects2.push(intersection); + } + } + } + } + } +}; +function checkIntersection$1(object, material, raycaster, ray, pA, pB, pC, point) { + let intersect2; + if (material.side === BackSide) { + intersect2 = ray.intersectTriangle(pC, pB, pA, true, point); + } else { + intersect2 = ray.intersectTriangle(pA, pB, pC, material.side === FrontSide, point); + } + if (intersect2 === null) return null; + _intersectionPointWorld.copy(point); + _intersectionPointWorld.applyMatrix4(object.matrixWorld); + const distance = raycaster.ray.origin.distanceTo(_intersectionPointWorld); + if (distance < raycaster.near || distance > raycaster.far) return null; + return { + distance, + point: _intersectionPointWorld.clone(), + object + }; +} +function checkGeometryIntersection(object, material, raycaster, ray, uv, uv1, normal, a, b, c) { + object.getVertexPosition(a, _vA$1); + object.getVertexPosition(b, _vB$1); + object.getVertexPosition(c, _vC$1); + const intersection = checkIntersection$1(object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint); + if (intersection) { + const barycoord = new Vector3(); + Triangle.getBarycoord(_intersectionPoint, _vA$1, _vB$1, _vC$1, barycoord); + if (uv) { + intersection.uv = Triangle.getInterpolatedAttribute(uv, a, b, c, barycoord, new Vector2()); + } + if (uv1) { + intersection.uv1 = Triangle.getInterpolatedAttribute(uv1, a, b, c, barycoord, new Vector2()); + } + if (normal) { + intersection.normal = Triangle.getInterpolatedAttribute(normal, a, b, c, barycoord, new Vector3()); + if (intersection.normal.dot(ray.direction) > 0) { + intersection.normal.multiplyScalar(-1); + } + } + const face = { + a, + b, + c, + normal: new Vector3(), + materialIndex: 0 + }; + Triangle.getNormal(_vA$1, _vB$1, _vC$1, face.normal); + intersection.face = face; + intersection.barycoord = barycoord; + } + return intersection; +} +var BoxGeometry = class _BoxGeometry extends BufferGeometry { + /** + * Constructs a new box geometry. + * + * @param {number} [width=1] - The width. That is, the length of the edges parallel to the X axis. + * @param {number} [height=1] - The height. That is, the length of the edges parallel to the Y axis. + * @param {number} [depth=1] - The depth. That is, the length of the edges parallel to the Z axis. + * @param {number} [widthSegments=1] - Number of segmented rectangular faces along the width of the sides. + * @param {number} [heightSegments=1] - Number of segmented rectangular faces along the height of the sides. + * @param {number} [depthSegments=1] - Number of segmented rectangular faces along the depth of the sides. + */ + constructor(width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1) { + super(); + this.type = "BoxGeometry"; + this.parameters = { + width, + height, + depth, + widthSegments, + heightSegments, + depthSegments + }; + const scope = this; + widthSegments = Math.floor(widthSegments); + heightSegments = Math.floor(heightSegments); + depthSegments = Math.floor(depthSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let numberOfVertices = 0; + let groupStart = 0; + buildPlane("z", "y", "x", -1, -1, depth, height, width, depthSegments, heightSegments, 0); + buildPlane("z", "y", "x", 1, -1, depth, height, -width, depthSegments, heightSegments, 1); + buildPlane("x", "z", "y", 1, 1, width, depth, height, widthSegments, depthSegments, 2); + buildPlane("x", "z", "y", 1, -1, width, depth, -height, widthSegments, depthSegments, 3); + buildPlane("x", "y", "z", 1, -1, width, height, depth, widthSegments, heightSegments, 4); + buildPlane("x", "y", "z", -1, -1, width, height, -depth, widthSegments, heightSegments, 5); + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function buildPlane(u, v, w, udir, vdir, width2, height2, depth2, gridX, gridY, materialIndex) { + const segmentWidth = width2 / gridX; + const segmentHeight = height2 / gridY; + const widthHalf = width2 / 2; + const heightHalf = height2 / 2; + const depthHalf = depth2 / 2; + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + let vertexCounter = 0; + let groupCount = 0; + const vector = new Vector3(); + for (let iy = 0; iy < gridY1; iy++) { + const y = iy * segmentHeight - heightHalf; + for (let ix = 0; ix < gridX1; ix++) { + const x = ix * segmentWidth - widthHalf; + vector[u] = x * udir; + vector[v] = y * vdir; + vector[w] = depthHalf; + vertices.push(vector.x, vector.y, vector.z); + vector[u] = 0; + vector[v] = 0; + vector[w] = depth2 > 0 ? 1 : -1; + normals.push(vector.x, vector.y, vector.z); + uvs.push(ix / gridX); + uvs.push(1 - iy / gridY); + vertexCounter += 1; + } + } + for (let iy = 0; iy < gridY; iy++) { + for (let ix = 0; ix < gridX; ix++) { + const a = numberOfVertices + ix + gridX1 * iy; + const b = numberOfVertices + ix + gridX1 * (iy + 1); + const c = numberOfVertices + (ix + 1) + gridX1 * (iy + 1); + const d = numberOfVertices + (ix + 1) + gridX1 * iy; + indices.push(a, b, d); + indices.push(b, c, d); + groupCount += 6; + } + } + scope.addGroup(groupStart, groupCount, materialIndex); + groupStart += groupCount; + numberOfVertices += vertexCounter; + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {BoxGeometry} A new instance. + */ + static fromJSON(data) { + return new _BoxGeometry(data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments); + } +}; +function cloneUniforms(src) { + const dst = {}; + for (const u in src) { + dst[u] = {}; + for (const p in src[u]) { + const property = src[u][p]; + if (property && (property.isColor || property.isMatrix3 || property.isMatrix4 || property.isVector2 || property.isVector3 || property.isVector4 || property.isTexture || property.isQuaternion)) { + if (property.isRenderTargetTexture) { + warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."); + dst[u][p] = null; + } else { + dst[u][p] = property.clone(); + } + } else if (Array.isArray(property)) { + dst[u][p] = property.slice(); + } else { + dst[u][p] = property; + } + } + } + return dst; +} +function mergeUniforms(uniforms) { + const merged = {}; + for (let u = 0; u < uniforms.length; u++) { + const tmp2 = cloneUniforms(uniforms[u]); + for (const p in tmp2) { + merged[p] = tmp2[p]; + } + } + return merged; +} +function cloneUniformsGroups(src) { + const dst = []; + for (let u = 0; u < src.length; u++) { + dst.push(src[u].clone()); + } + return dst; +} +function getUnlitUniformColorSpace(renderer) { + const currentRenderTarget = renderer.getRenderTarget(); + if (currentRenderTarget === null) { + return renderer.outputColorSpace; + } + if (currentRenderTarget.isXRRenderTarget === true) { + return currentRenderTarget.texture.colorSpace; + } + return ColorManagement.workingColorSpace; +} +var UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms }; +var default_vertex = "void main() {\n gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}"; +var default_fragment = "void main() {\n gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}"; +var ShaderMaterial = class extends Material { + /** + * Constructs a new shader material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isShaderMaterial = true; + this.type = "ShaderMaterial"; + this.defines = {}; + this.uniforms = {}; + this.uniformsGroups = []; + this.vertexShader = default_vertex; + this.fragmentShader = default_fragment; + this.linewidth = 1; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.fog = false; + this.lights = false; + this.clipping = false; + this.forceSinglePass = true; + this.extensions = { + clipCullDistance: false, + // set to use vertex shader clipping + multiDraw: false + // set to use vertex shader multi_draw / enable gl_DrawID + }; + this.defaultAttributeValues = { + "color": [1, 1, 1], + "uv": [0, 0], + "uv1": [0, 0] + }; + this.index0AttributeName = void 0; + this.uniformsNeedUpdate = false; + this.glslVersion = null; + if (parameters !== void 0) { + this.setValues(parameters); + } + } + copy(source) { + super.copy(source); + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; + this.uniforms = cloneUniforms(source.uniforms); + this.uniformsGroups = cloneUniformsGroups(source.uniformsGroups); + this.defines = Object.assign({}, source.defines); + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.fog = source.fog; + this.lights = source.lights; + this.clipping = source.clipping; + this.extensions = Object.assign({}, source.extensions); + this.glslVersion = source.glslVersion; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + data.glslVersion = this.glslVersion; + data.uniforms = {}; + for (const name in this.uniforms) { + const uniform = this.uniforms[name]; + const value = uniform.value; + if (value && value.isTexture) { + data.uniforms[name] = { + type: "t", + value: value.toJSON(meta).uuid + }; + } else if (value && value.isColor) { + data.uniforms[name] = { + type: "c", + value: value.getHex() + }; + } else if (value && value.isVector2) { + data.uniforms[name] = { + type: "v2", + value: value.toArray() + }; + } else if (value && value.isVector3) { + data.uniforms[name] = { + type: "v3", + value: value.toArray() + }; + } else if (value && value.isVector4) { + data.uniforms[name] = { + type: "v4", + value: value.toArray() + }; + } else if (value && value.isMatrix3) { + data.uniforms[name] = { + type: "m3", + value: value.toArray() + }; + } else if (value && value.isMatrix4) { + data.uniforms[name] = { + type: "m4", + value: value.toArray() + }; + } else { + data.uniforms[name] = { + value + }; + } + } + if (Object.keys(this.defines).length > 0) data.defines = this.defines; + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; + data.lights = this.lights; + data.clipping = this.clipping; + const extensions = {}; + for (const key in this.extensions) { + if (this.extensions[key] === true) extensions[key] = true; + } + if (Object.keys(extensions).length > 0) data.extensions = extensions; + return data; + } +}; +var Camera = class extends Object3D { + /** + * Constructs a new camera. + */ + constructor() { + super(); + this.isCamera = true; + this.type = "Camera"; + this.matrixWorldInverse = new Matrix4(); + this.projectionMatrix = new Matrix4(); + this.projectionMatrixInverse = new Matrix4(); + this.coordinateSystem = WebGLCoordinateSystem; + this._reversedDepth = false; + } + /** + * The flag that indicates whether the camera uses a reversed depth buffer. + * + * @type {boolean} + * @default false + */ + get reversedDepth() { + return this._reversedDepth; + } + copy(source, recursive) { + super.copy(source, recursive); + this.matrixWorldInverse.copy(source.matrixWorldInverse); + this.projectionMatrix.copy(source.projectionMatrix); + this.projectionMatrixInverse.copy(source.projectionMatrixInverse); + this.coordinateSystem = source.coordinateSystem; + return this; + } + /** + * Returns a vector representing the ("look") direction of the 3D object in world space. + * + * This method is overwritten since cameras have a different forward vector compared to other + * 3D objects. A camera looks down its local, negative z-axis by default. + * + * @param {Vector3} target - The target vector the result is stored to. + * @return {Vector3} The 3D object's direction in world space. + */ + getWorldDirection(target) { + return super.getWorldDirection(target).negate(); + } + updateMatrixWorld(force) { + super.updateMatrixWorld(force); + this.matrixWorldInverse.copy(this.matrixWorld).invert(); + } + updateWorldMatrix(updateParents, updateChildren) { + super.updateWorldMatrix(updateParents, updateChildren); + this.matrixWorldInverse.copy(this.matrixWorld).invert(); + } + clone() { + return new this.constructor().copy(this); + } +}; +var _v3$1 = new Vector3(); +var _minTarget = new Vector2(); +var _maxTarget = new Vector2(); +var PerspectiveCamera = class extends Camera { + /** + * Constructs a new perspective camera. + * + * @param {number} [fov=50] - The vertical field of view. + * @param {number} [aspect=1] - The aspect ratio. + * @param {number} [near=0.1] - The camera's near plane. + * @param {number} [far=2000] - The camera's far plane. + */ + constructor(fov2 = 50, aspect2 = 1, near = 0.1, far = 2e3) { + super(); + this.isPerspectiveCamera = true; + this.type = "PerspectiveCamera"; + this.fov = fov2; + this.zoom = 1; + this.near = near; + this.far = far; + this.focus = 10; + this.aspect = aspect2; + this.view = null; + this.filmGauge = 35; + this.filmOffset = 0; + this.updateProjectionMatrix(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.fov = source.fov; + this.zoom = source.zoom; + this.near = source.near; + this.far = source.far; + this.focus = source.focus; + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign({}, source.view); + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; + return this; + } + /** + * Sets the FOV by focal length in respect to the current {@link PerspectiveCamera#filmGauge}. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * @param {number} focalLength - Values for focal length and film gauge must have the same unit. + */ + setFocalLength(focalLength) { + const vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + this.fov = RAD2DEG * 2 * Math.atan(vExtentSlope); + this.updateProjectionMatrix(); + } + /** + * Returns the focal length from the current {@link PerspectiveCamera#fov} and + * {@link PerspectiveCamera#filmGauge}. + * + * @return {number} The computed focal length. + */ + getFocalLength() { + const vExtentSlope = Math.tan(DEG2RAD * 0.5 * this.fov); + return 0.5 * this.getFilmHeight() / vExtentSlope; + } + /** + * Returns the current vertical field of view angle in degrees considering {@link PerspectiveCamera#zoom}. + * + * @return {number} The effective FOV. + */ + getEffectiveFOV() { + return RAD2DEG * 2 * Math.atan( + Math.tan(DEG2RAD * 0.5 * this.fov) / this.zoom + ); + } + /** + * Returns the width of the image on the film. If {@link PerspectiveCamera#aspect} is greater than or + * equal to one (landscape format), the result equals {@link PerspectiveCamera#filmGauge}. + * + * @return {number} The film width. + */ + getFilmWidth() { + return this.filmGauge * Math.min(this.aspect, 1); + } + /** + * Returns the height of the image on the film. If {@link PerspectiveCamera#aspect} is greater than or + * equal to one (landscape format), the result equals {@link PerspectiveCamera#filmGauge}. + * + * @return {number} The film width. + */ + getFilmHeight() { + return this.filmGauge / Math.max(this.aspect, 1); + } + /** + * Computes the 2D bounds of the camera's viewable rectangle at a given distance along the viewing direction. + * Sets `minTarget` and `maxTarget` to the coordinates of the lower-left and upper-right corners of the view rectangle. + * + * @param {number} distance - The viewing distance. + * @param {Vector2} minTarget - The lower-left corner of the view rectangle is written into this vector. + * @param {Vector2} maxTarget - The upper-right corner of the view rectangle is written into this vector. + */ + getViewBounds(distance, minTarget, maxTarget) { + _v3$1.set(-1, -1, 0.5).applyMatrix4(this.projectionMatrixInverse); + minTarget.set(_v3$1.x, _v3$1.y).multiplyScalar(-distance / _v3$1.z); + _v3$1.set(1, 1, 0.5).applyMatrix4(this.projectionMatrixInverse); + maxTarget.set(_v3$1.x, _v3$1.y).multiplyScalar(-distance / _v3$1.z); + } + /** + * Computes the width and height of the camera's viewable rectangle at a given distance along the viewing direction. + * + * @param {number} distance - The viewing distance. + * @param {Vector2} target - The target vector that is used to store result where x is width and y is height. + * @returns {Vector2} The view size. + */ + getViewSize(distance, target) { + this.getViewBounds(distance, _minTarget, _maxTarget); + return target.subVectors(_maxTarget, _minTarget); + } + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + *``` + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + *``` + * then for each monitor you would call it like this: + *```js + * const w = 1920; + * const h = 1080; + * const fullWidth = w * 3; + * const fullHeight = h * 2; + * + * // --A-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * // --B-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * // --C-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * // --D-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * // --E-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * // --F-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * ``` + * + * Note there is no reason monitors have to be the same size or in a grid. + * + * @param {number} fullWidth - The full width of multiview setup. + * @param {number} fullHeight - The full height of multiview setup. + * @param {number} x - The horizontal offset of the subcamera. + * @param {number} y - The vertical offset of the subcamera. + * @param {number} width - The width of subcamera. + * @param {number} height - The height of subcamera. + */ + setViewOffset(fullWidth, fullHeight, x, y, width, height) { + this.aspect = fullWidth / fullHeight; + if (this.view === null) { + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + } + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + this.updateProjectionMatrix(); + } + /** + * Removes the view offset from the projection matrix. + */ + clearViewOffset() { + if (this.view !== null) { + this.view.enabled = false; + } + this.updateProjectionMatrix(); + } + /** + * Updates the camera's projection matrix. Must be called after any change of + * camera properties. + */ + updateProjectionMatrix() { + const near = this.near; + let top = near * Math.tan(DEG2RAD * 0.5 * this.fov) / this.zoom; + let height = 2 * top; + let width = this.aspect * height; + let left = -0.5 * width; + const view = this.view; + if (this.view !== null && this.view.enabled) { + const fullWidth = view.fullWidth, fullHeight = view.fullHeight; + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; + } + const skew = this.filmOffset; + if (skew !== 0) left += near * skew / this.getFilmWidth(); + this.projectionMatrix.makePerspective(left, left + width, top, top - height, near, this.far, this.coordinateSystem, this.reversedDepth); + this.projectionMatrixInverse.copy(this.projectionMatrix).invert(); + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.fov = this.fov; + data.object.zoom = this.zoom; + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; + data.object.aspect = this.aspect; + if (this.view !== null) data.object.view = Object.assign({}, this.view); + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; + return data; + } +}; +var fov = -90; +var aspect = 1; +var CubeCamera = class extends Object3D { + /** + * Constructs a new cube camera. + * + * @param {number} near - The camera's near plane. + * @param {number} far - The camera's far plane. + * @param {WebGLCubeRenderTarget} renderTarget - The cube render target. + */ + constructor(near, far, renderTarget) { + super(); + this.type = "CubeCamera"; + this.renderTarget = renderTarget; + this.coordinateSystem = null; + this.activeMipmapLevel = 0; + const cameraPX = new PerspectiveCamera(fov, aspect, near, far); + cameraPX.layers = this.layers; + this.add(cameraPX); + const cameraNX = new PerspectiveCamera(fov, aspect, near, far); + cameraNX.layers = this.layers; + this.add(cameraNX); + const cameraPY = new PerspectiveCamera(fov, aspect, near, far); + cameraPY.layers = this.layers; + this.add(cameraPY); + const cameraNY = new PerspectiveCamera(fov, aspect, near, far); + cameraNY.layers = this.layers; + this.add(cameraNY); + const cameraPZ = new PerspectiveCamera(fov, aspect, near, far); + cameraPZ.layers = this.layers; + this.add(cameraPZ); + const cameraNZ = new PerspectiveCamera(fov, aspect, near, far); + cameraNZ.layers = this.layers; + this.add(cameraNZ); + } + /** + * Must be called when the coordinate system of the cube camera is changed. + */ + updateCoordinateSystem() { + const coordinateSystem = this.coordinateSystem; + const cameras = this.children.concat(); + const [cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ] = cameras; + for (const camera of cameras) this.remove(camera); + if (coordinateSystem === WebGLCoordinateSystem) { + cameraPX.up.set(0, 1, 0); + cameraPX.lookAt(1, 0, 0); + cameraNX.up.set(0, 1, 0); + cameraNX.lookAt(-1, 0, 0); + cameraPY.up.set(0, 0, -1); + cameraPY.lookAt(0, 1, 0); + cameraNY.up.set(0, 0, 1); + cameraNY.lookAt(0, -1, 0); + cameraPZ.up.set(0, 1, 0); + cameraPZ.lookAt(0, 0, 1); + cameraNZ.up.set(0, 1, 0); + cameraNZ.lookAt(0, 0, -1); + } else if (coordinateSystem === WebGPUCoordinateSystem) { + cameraPX.up.set(0, -1, 0); + cameraPX.lookAt(-1, 0, 0); + cameraNX.up.set(0, -1, 0); + cameraNX.lookAt(1, 0, 0); + cameraPY.up.set(0, 0, 1); + cameraPY.lookAt(0, 1, 0); + cameraNY.up.set(0, 0, -1); + cameraNY.lookAt(0, -1, 0); + cameraPZ.up.set(0, -1, 0); + cameraPZ.lookAt(0, 0, 1); + cameraNZ.up.set(0, -1, 0); + cameraNZ.lookAt(0, 0, -1); + } else { + throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: " + coordinateSystem); + } + for (const camera of cameras) { + this.add(camera); + camera.updateMatrixWorld(); + } + } + /** + * Calling this method will render the given scene with the given renderer + * into the cube render target of the camera. + * + * @param {(Renderer|WebGLRenderer)} renderer - The renderer. + * @param {Scene} scene - The scene to render. + */ + update(renderer, scene) { + if (this.parent === null) this.updateMatrixWorld(); + const { renderTarget, activeMipmapLevel } = this; + if (this.coordinateSystem !== renderer.coordinateSystem) { + this.coordinateSystem = renderer.coordinateSystem; + this.updateCoordinateSystem(); + } + const [cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ] = this.children; + const currentRenderTarget = renderer.getRenderTarget(); + const currentActiveCubeFace = renderer.getActiveCubeFace(); + const currentActiveMipmapLevel = renderer.getActiveMipmapLevel(); + const currentXrEnabled = renderer.xr.enabled; + renderer.xr.enabled = false; + const generateMipmaps = renderTarget.texture.generateMipmaps; + renderTarget.texture.generateMipmaps = false; + renderer.setRenderTarget(renderTarget, 0, activeMipmapLevel); + renderer.render(scene, cameraPX); + renderer.setRenderTarget(renderTarget, 1, activeMipmapLevel); + renderer.render(scene, cameraNX); + renderer.setRenderTarget(renderTarget, 2, activeMipmapLevel); + renderer.render(scene, cameraPY); + renderer.setRenderTarget(renderTarget, 3, activeMipmapLevel); + renderer.render(scene, cameraNY); + renderer.setRenderTarget(renderTarget, 4, activeMipmapLevel); + renderer.render(scene, cameraPZ); + renderTarget.texture.generateMipmaps = generateMipmaps; + renderer.setRenderTarget(renderTarget, 5, activeMipmapLevel); + renderer.render(scene, cameraNZ); + renderer.setRenderTarget(currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel); + renderer.xr.enabled = currentXrEnabled; + renderTarget.texture.needsPMREMUpdate = true; + } +}; +var CubeTexture = class extends Texture { + /** + * Constructs a new cube texture. + * + * @param {Array} [images=[]] - An array holding a image for each side of a cube. + * @param {number} [mapping=CubeReflectionMapping] - The texture mapping. + * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value. + * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value. + * @param {number} [magFilter=LinearFilter] - The mag filter value. + * @param {number} [minFilter=LinearMipmapLinearFilter] - The min filter value. + * @param {number} [format=RGBAFormat] - The texture format. + * @param {number} [type=UnsignedByteType] - The texture type. + * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value. + * @param {string} [colorSpace=NoColorSpace] - The color space value. + */ + constructor(images = [], mapping = CubeReflectionMapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace) { + super(images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace); + this.isCubeTexture = true; + this.flipY = false; + } + /** + * Alias for {@link CubeTexture#image}. + * + * @type {Array} + */ + get images() { + return this.image; + } + set images(value) { + this.image = value; + } +}; +var WebGLCubeRenderTarget = class extends WebGLRenderTarget { + /** + * Constructs a new cube render target. + * + * @param {number} [size=1] - The size of the render target. + * @param {RenderTarget~Options} [options] - The configuration object. + */ + constructor(size = 1, options = {}) { + super(size, size, options); + this.isWebGLCubeRenderTarget = true; + const image = { width: size, height: size, depth: 1 }; + const images = [image, image, image, image, image, image]; + this.texture = new CubeTexture(images); + this._setTextureOptions(options); + this.texture.isRenderTargetTexture = true; + } + /** + * Converts the given equirectangular texture to a cube map. + * + * @param {WebGLRenderer} renderer - The renderer. + * @param {Texture} texture - The equirectangular texture. + * @return {WebGLCubeRenderTarget} A reference to this cube render target. + */ + fromEquirectangularTexture(renderer, texture) { + this.texture.type = texture.type; + this.texture.colorSpace = texture.colorSpace; + this.texture.generateMipmaps = texture.generateMipmaps; + this.texture.minFilter = texture.minFilter; + this.texture.magFilter = texture.magFilter; + const shader = { + uniforms: { + tEquirect: { value: null } + }, + vertexShader: ( + /* glsl */ + ` + + varying vec3 vWorldDirection; + + vec3 transformDirection( in vec3 dir, in mat4 matrix ) { + + return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); + + } + + void main() { + + vWorldDirection = transformDirection( position, modelMatrix ); + + #include + #include + + } + ` + ), + fragmentShader: ( + /* glsl */ + ` + + uniform sampler2D tEquirect; + + varying vec3 vWorldDirection; + + #include + + void main() { + + vec3 direction = normalize( vWorldDirection ); + + vec2 sampleUV = equirectUv( direction ); + + gl_FragColor = texture2D( tEquirect, sampleUV ); + + } + ` + ) + }; + const geometry = new BoxGeometry(5, 5, 5); + const material = new ShaderMaterial({ + name: "CubemapFromEquirect", + uniforms: cloneUniforms(shader.uniforms), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader, + side: BackSide, + blending: NoBlending + }); + material.uniforms.tEquirect.value = texture; + const mesh = new Mesh(geometry, material); + const currentMinFilter = texture.minFilter; + if (texture.minFilter === LinearMipmapLinearFilter) texture.minFilter = LinearFilter; + const camera = new CubeCamera(1, 10, this); + camera.update(renderer, mesh); + texture.minFilter = currentMinFilter; + mesh.geometry.dispose(); + mesh.material.dispose(); + return this; + } + /** + * Clears this cube render target. + * + * @param {WebGLRenderer} renderer - The renderer. + * @param {boolean} [color=true] - Whether the color buffer should be cleared or not. + * @param {boolean} [depth=true] - Whether the depth buffer should be cleared or not. + * @param {boolean} [stencil=true] - Whether the stencil buffer should be cleared or not. + */ + clear(renderer, color = true, depth = true, stencil = true) { + const currentRenderTarget = renderer.getRenderTarget(); + for (let i = 0; i < 6; i++) { + renderer.setRenderTarget(this, i); + renderer.clear(color, depth, stencil); + } + renderer.setRenderTarget(currentRenderTarget); + } +}; +var Group = class extends Object3D { + constructor() { + super(); + this.isGroup = true; + this.type = "Group"; + } +}; +var _moveEvent = { type: "move" }; +var WebXRController = class { + /** + * Constructs a new XR controller. + */ + constructor() { + this._targetRay = null; + this._grip = null; + this._hand = null; + } + /** + * Returns a group representing the hand space of the XR controller. + * + * @return {Group} A group representing the hand space of the XR controller. + */ + getHandSpace() { + if (this._hand === null) { + this._hand = new Group(); + this._hand.matrixAutoUpdate = false; + this._hand.visible = false; + this._hand.joints = {}; + this._hand.inputState = { pinching: false }; + } + return this._hand; + } + /** + * Returns a group representing the target ray space of the XR controller. + * + * @return {Group} A group representing the target ray space of the XR controller. + */ + getTargetRaySpace() { + if (this._targetRay === null) { + this._targetRay = new Group(); + this._targetRay.matrixAutoUpdate = false; + this._targetRay.visible = false; + this._targetRay.hasLinearVelocity = false; + this._targetRay.linearVelocity = new Vector3(); + this._targetRay.hasAngularVelocity = false; + this._targetRay.angularVelocity = new Vector3(); + } + return this._targetRay; + } + /** + * Returns a group representing the grip space of the XR controller. + * + * @return {Group} A group representing the grip space of the XR controller. + */ + getGripSpace() { + if (this._grip === null) { + this._grip = new Group(); + this._grip.matrixAutoUpdate = false; + this._grip.visible = false; + this._grip.hasLinearVelocity = false; + this._grip.linearVelocity = new Vector3(); + this._grip.hasAngularVelocity = false; + this._grip.angularVelocity = new Vector3(); + } + return this._grip; + } + /** + * Dispatches the given event to the groups representing + * the different coordinate spaces of the XR controller. + * + * @param {Object} event - The event to dispatch. + * @return {WebXRController} A reference to this instance. + */ + dispatchEvent(event) { + if (this._targetRay !== null) { + this._targetRay.dispatchEvent(event); + } + if (this._grip !== null) { + this._grip.dispatchEvent(event); + } + if (this._hand !== null) { + this._hand.dispatchEvent(event); + } + return this; + } + /** + * Connects the controller with the given XR input source. + * + * @param {XRInputSource} inputSource - The input source. + * @return {WebXRController} A reference to this instance. + */ + connect(inputSource) { + if (inputSource && inputSource.hand) { + const hand = this._hand; + if (hand) { + for (const inputjoint of inputSource.hand.values()) { + this._getHandJoint(hand, inputjoint); + } + } + } + this.dispatchEvent({ type: "connected", data: inputSource }); + return this; + } + /** + * Disconnects the controller from the given XR input source. + * + * @param {XRInputSource} inputSource - The input source. + * @return {WebXRController} A reference to this instance. + */ + disconnect(inputSource) { + this.dispatchEvent({ type: "disconnected", data: inputSource }); + if (this._targetRay !== null) { + this._targetRay.visible = false; + } + if (this._grip !== null) { + this._grip.visible = false; + } + if (this._hand !== null) { + this._hand.visible = false; + } + return this; + } + /** + * Updates the controller with the given input source, XR frame and reference space. + * This updates the transformations of the groups that represent the different + * coordinate systems of the controller. + * + * @param {XRInputSource} inputSource - The input source. + * @param {XRFrame} frame - The XR frame. + * @param {XRReferenceSpace} referenceSpace - The reference space. + * @return {WebXRController} A reference to this instance. + */ + update(inputSource, frame, referenceSpace) { + let inputPose = null; + let gripPose = null; + let handPose = null; + const targetRay = this._targetRay; + const grip = this._grip; + const hand = this._hand; + if (inputSource && frame.session.visibilityState !== "visible-blurred") { + if (hand && inputSource.hand) { + handPose = true; + for (const inputjoint of inputSource.hand.values()) { + const jointPose = frame.getJointPose(inputjoint, referenceSpace); + const joint = this._getHandJoint(hand, inputjoint); + if (jointPose !== null) { + joint.matrix.fromArray(jointPose.transform.matrix); + joint.matrix.decompose(joint.position, joint.rotation, joint.scale); + joint.matrixWorldNeedsUpdate = true; + joint.jointRadius = jointPose.radius; + } + joint.visible = jointPose !== null; + } + const indexTip = hand.joints["index-finger-tip"]; + const thumbTip = hand.joints["thumb-tip"]; + const distance = indexTip.position.distanceTo(thumbTip.position); + const distanceToPinch = 0.02; + const threshold = 5e-3; + if (hand.inputState.pinching && distance > distanceToPinch + threshold) { + hand.inputState.pinching = false; + this.dispatchEvent({ + type: "pinchend", + handedness: inputSource.handedness, + target: this + }); + } else if (!hand.inputState.pinching && distance <= distanceToPinch - threshold) { + hand.inputState.pinching = true; + this.dispatchEvent({ + type: "pinchstart", + handedness: inputSource.handedness, + target: this + }); + } + } else { + if (grip !== null && inputSource.gripSpace) { + gripPose = frame.getPose(inputSource.gripSpace, referenceSpace); + if (gripPose !== null) { + grip.matrix.fromArray(gripPose.transform.matrix); + grip.matrix.decompose(grip.position, grip.rotation, grip.scale); + grip.matrixWorldNeedsUpdate = true; + if (gripPose.linearVelocity) { + grip.hasLinearVelocity = true; + grip.linearVelocity.copy(gripPose.linearVelocity); + } else { + grip.hasLinearVelocity = false; + } + if (gripPose.angularVelocity) { + grip.hasAngularVelocity = true; + grip.angularVelocity.copy(gripPose.angularVelocity); + } else { + grip.hasAngularVelocity = false; + } + } + } + } + if (targetRay !== null) { + inputPose = frame.getPose(inputSource.targetRaySpace, referenceSpace); + if (inputPose === null && gripPose !== null) { + inputPose = gripPose; + } + if (inputPose !== null) { + targetRay.matrix.fromArray(inputPose.transform.matrix); + targetRay.matrix.decompose(targetRay.position, targetRay.rotation, targetRay.scale); + targetRay.matrixWorldNeedsUpdate = true; + if (inputPose.linearVelocity) { + targetRay.hasLinearVelocity = true; + targetRay.linearVelocity.copy(inputPose.linearVelocity); + } else { + targetRay.hasLinearVelocity = false; + } + if (inputPose.angularVelocity) { + targetRay.hasAngularVelocity = true; + targetRay.angularVelocity.copy(inputPose.angularVelocity); + } else { + targetRay.hasAngularVelocity = false; + } + this.dispatchEvent(_moveEvent); + } + } + } + if (targetRay !== null) { + targetRay.visible = inputPose !== null; + } + if (grip !== null) { + grip.visible = gripPose !== null; + } + if (hand !== null) { + hand.visible = handPose !== null; + } + return this; + } + /** + * Returns a group representing the hand joint for the given input joint. + * + * @private + * @param {Group} hand - The group representing the hand space. + * @param {XRJointSpace} inputjoint - The hand joint data. + * @return {Group} A group representing the hand joint for the given input joint. + */ + _getHandJoint(hand, inputjoint) { + if (hand.joints[inputjoint.jointName] === void 0) { + const joint = new Group(); + joint.matrixAutoUpdate = false; + joint.visible = false; + hand.joints[inputjoint.jointName] = joint; + hand.add(joint); + } + return hand.joints[inputjoint.jointName]; + } +}; +var FogExp2 = class _FogExp2 { + /** + * Constructs a new fog. + * + * @param {number|Color} color - The fog's color. + * @param {number} [density=0.00025] - Defines how fast the fog will grow dense. + */ + constructor(color, density = 25e-5) { + this.isFogExp2 = true; + this.name = ""; + this.color = new Color(color); + this.density = density; + } + /** + * Returns a new fog with copied values from this instance. + * + * @return {FogExp2} A clone of this instance. + */ + clone() { + return new _FogExp2(this.color, this.density); + } + /** + * Serializes the fog into JSON. + * + * @param {?(Object|string)} meta - An optional value holding meta information about the serialization. + * @return {Object} A JSON object representing the serialized fog + */ + toJSON() { + return { + type: "FogExp2", + name: this.name, + color: this.color.getHex(), + density: this.density + }; + } +}; +var Fog = class _Fog { + /** + * Constructs a new fog. + * + * @param {number|Color} color - The fog's color. + * @param {number} [near=1] - The minimum distance to start applying fog. + * @param {number} [far=1000] - The maximum distance at which fog stops being calculated and applied. + */ + constructor(color, near = 1, far = 1e3) { + this.isFog = true; + this.name = ""; + this.color = new Color(color); + this.near = near; + this.far = far; + } + /** + * Returns a new fog with copied values from this instance. + * + * @return {Fog} A clone of this instance. + */ + clone() { + return new _Fog(this.color, this.near, this.far); + } + /** + * Serializes the fog into JSON. + * + * @param {?(Object|string)} meta - An optional value holding meta information about the serialization. + * @return {Object} A JSON object representing the serialized fog + */ + toJSON() { + return { + type: "Fog", + name: this.name, + color: this.color.getHex(), + near: this.near, + far: this.far + }; + } +}; +var Scene = class extends Object3D { + /** + * Constructs a new scene. + */ + constructor() { + super(); + this.isScene = true; + this.type = "Scene"; + this.background = null; + this.environment = null; + this.fog = null; + this.backgroundBlurriness = 0; + this.backgroundIntensity = 1; + this.backgroundRotation = new Euler(); + this.environmentIntensity = 1; + this.environmentRotation = new Euler(); + this.overrideMaterial = null; + if (typeof __THREE_DEVTOOLS__ !== "undefined") { + __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe", { detail: this })); + } + } + copy(source, recursive) { + super.copy(source, recursive); + if (source.background !== null) this.background = source.background.clone(); + if (source.environment !== null) this.environment = source.environment.clone(); + if (source.fog !== null) this.fog = source.fog.clone(); + this.backgroundBlurriness = source.backgroundBlurriness; + this.backgroundIntensity = source.backgroundIntensity; + this.backgroundRotation.copy(source.backgroundRotation); + this.environmentIntensity = source.environmentIntensity; + this.environmentRotation.copy(source.environmentRotation); + if (source.overrideMaterial !== null) this.overrideMaterial = source.overrideMaterial.clone(); + this.matrixAutoUpdate = source.matrixAutoUpdate; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + if (this.fog !== null) data.object.fog = this.fog.toJSON(); + if (this.backgroundBlurriness > 0) data.object.backgroundBlurriness = this.backgroundBlurriness; + if (this.backgroundIntensity !== 1) data.object.backgroundIntensity = this.backgroundIntensity; + data.object.backgroundRotation = this.backgroundRotation.toArray(); + if (this.environmentIntensity !== 1) data.object.environmentIntensity = this.environmentIntensity; + data.object.environmentRotation = this.environmentRotation.toArray(); + return data; + } +}; +var InterleavedBuffer = class { + /** + * Constructs a new interleaved buffer. + * + * @param {TypedArray} array - A typed array with a shared buffer storing attribute data. + * @param {number} stride - The number of typed-array elements per vertex. + */ + constructor(array, stride) { + this.isInterleavedBuffer = true; + this.array = array; + this.stride = stride; + this.count = array !== void 0 ? array.length / stride : 0; + this.usage = StaticDrawUsage; + this.updateRanges = []; + this.version = 0; + this.uuid = generateUUID(); + } + /** + * A callback function that is executed after the renderer has transferred the attribute array + * data to the GPU. + */ + onUploadCallback() { + } + /** + * Flag to indicate that this attribute has changed and should be re-sent to + * the GPU. Set this to `true` when you modify the value of the array. + * + * @type {number} + * @default false + * @param {boolean} value + */ + set needsUpdate(value) { + if (value === true) this.version++; + } + /** + * Sets the usage of this interleaved buffer. + * + * @param {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)} value - The usage to set. + * @return {InterleavedBuffer} A reference to this interleaved buffer. + */ + setUsage(value) { + this.usage = value; + return this; + } + /** + * Adds a range of data in the data array to be updated on the GPU. + * + * @param {number} start - Position at which to start update. + * @param {number} count - The number of components to update. + */ + addUpdateRange(start, count) { + this.updateRanges.push({ start, count }); + } + /** + * Clears the update ranges. + */ + clearUpdateRanges() { + this.updateRanges.length = 0; + } + /** + * Copies the values of the given interleaved buffer to this instance. + * + * @param {InterleavedBuffer} source - The interleaved buffer to copy. + * @return {InterleavedBuffer} A reference to this instance. + */ + copy(source) { + this.array = new source.array.constructor(source.array); + this.count = source.count; + this.stride = source.stride; + this.usage = source.usage; + return this; + } + /** + * Copies a vector from the given interleaved buffer to this one. The start + * and destination position in the attribute buffers are represented by the + * given indices. + * + * @param {number} index1 - The destination index into this interleaved buffer. + * @param {InterleavedBuffer} interleavedBuffer - The interleaved buffer to copy from. + * @param {number} index2 - The source index into the given interleaved buffer. + * @return {InterleavedBuffer} A reference to this instance. + */ + copyAt(index1, interleavedBuffer, index2) { + index1 *= this.stride; + index2 *= interleavedBuffer.stride; + for (let i = 0, l = this.stride; i < l; i++) { + this.array[index1 + i] = interleavedBuffer.array[index2 + i]; + } + return this; + } + /** + * Sets the given array data in the interleaved buffer. + * + * @param {(TypedArray|Array)} value - The array data to set. + * @param {number} [offset=0] - The offset in this interleaved buffer's array. + * @return {InterleavedBuffer} A reference to this instance. + */ + set(value, offset = 0) { + this.array.set(value, offset); + return this; + } + /** + * Returns a new interleaved buffer with copied values from this instance. + * + * @param {Object} [data] - An object with shared array buffers that allows to retain shared structures. + * @return {InterleavedBuffer} A clone of this instance. + */ + clone(data) { + if (data.arrayBuffers === void 0) { + data.arrayBuffers = {}; + } + if (this.array.buffer._uuid === void 0) { + this.array.buffer._uuid = generateUUID(); + } + if (data.arrayBuffers[this.array.buffer._uuid] === void 0) { + data.arrayBuffers[this.array.buffer._uuid] = this.array.slice(0).buffer; + } + const array = new this.array.constructor(data.arrayBuffers[this.array.buffer._uuid]); + const ib = new this.constructor(array, this.stride); + ib.setUsage(this.usage); + return ib; + } + /** + * Sets the given callback function that is executed after the Renderer has transferred + * the array data to the GPU. Can be used to perform clean-up operations after + * the upload when data are not needed anymore on the CPU side. + * + * @param {Function} callback - The `onUpload()` callback. + * @return {InterleavedBuffer} A reference to this instance. + */ + onUpload(callback) { + this.onUploadCallback = callback; + return this; + } + /** + * Serializes the interleaved buffer into JSON. + * + * @param {Object} [data] - An optional value holding meta information about the serialization. + * @return {Object} A JSON object representing the serialized interleaved buffer. + */ + toJSON(data) { + if (data.arrayBuffers === void 0) { + data.arrayBuffers = {}; + } + if (this.array.buffer._uuid === void 0) { + this.array.buffer._uuid = generateUUID(); + } + if (data.arrayBuffers[this.array.buffer._uuid] === void 0) { + data.arrayBuffers[this.array.buffer._uuid] = Array.from(new Uint32Array(this.array.buffer)); + } + return { + uuid: this.uuid, + buffer: this.array.buffer._uuid, + type: this.array.constructor.name, + stride: this.stride + }; + } +}; +var _vector$7 = new Vector3(); +var InterleavedBufferAttribute = class _InterleavedBufferAttribute { + /** + * Constructs a new interleaved buffer attribute. + * + * @param {InterleavedBuffer} interleavedBuffer - The buffer holding the interleaved data. + * @param {number} itemSize - The item size. + * @param {number} offset - The attribute offset into the buffer. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(interleavedBuffer, itemSize, offset, normalized = false) { + this.isInterleavedBufferAttribute = true; + this.name = ""; + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; + this.normalized = normalized; + } + /** + * The item count of this buffer attribute. + * + * @type {number} + * @readonly + */ + get count() { + return this.data.count; + } + /** + * The array holding the interleaved buffer attribute data. + * + * @type {TypedArray} + */ + get array() { + return this.data.array; + } + /** + * Flag to indicate that this attribute has changed and should be re-sent to + * the GPU. Set this to `true` when you modify the value of the array. + * + * @type {number} + * @default false + * @param {boolean} value + */ + set needsUpdate(value) { + this.data.needsUpdate = value; + } + /** + * Applies the given 4x4 matrix to the given attribute. Only works with + * item size `3`. + * + * @param {Matrix4} m - The matrix to apply. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + applyMatrix4(m) { + for (let i = 0, l = this.data.count; i < l; i++) { + _vector$7.fromBufferAttribute(this, i); + _vector$7.applyMatrix4(m); + this.setXYZ(i, _vector$7.x, _vector$7.y, _vector$7.z); + } + return this; + } + /** + * Applies the given 3x3 normal matrix to the given attribute. Only works with + * item size `3`. + * + * @param {Matrix3} m - The normal matrix to apply. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + applyNormalMatrix(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$7.fromBufferAttribute(this, i); + _vector$7.applyNormalMatrix(m); + this.setXYZ(i, _vector$7.x, _vector$7.y, _vector$7.z); + } + return this; + } + /** + * Applies the given 4x4 matrix to the given attribute. Only works with + * item size `3` and with direction vectors. + * + * @param {Matrix4} m - The matrix to apply. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + transformDirection(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$7.fromBufferAttribute(this, i); + _vector$7.transformDirection(m); + this.setXYZ(i, _vector$7.x, _vector$7.y, _vector$7.z); + } + return this; + } + /** + * Returns the given component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} component - The component index. + * @return {number} The returned value. + */ + getComponent(index, component) { + let value = this.array[index * this.data.stride + this.offset + component]; + if (this.normalized) value = denormalize(value, this.array); + return value; + } + /** + * Sets the given value to the given component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} component - The component index. + * @param {number} value - The value to set. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + setComponent(index, component, value) { + if (this.normalized) value = normalize(value, this.array); + this.data.array[index * this.data.stride + this.offset + component] = value; + return this; + } + /** + * Sets the x component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} x - The value to set. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + setX(index, x) { + if (this.normalized) x = normalize(x, this.array); + this.data.array[index * this.data.stride + this.offset] = x; + return this; + } + /** + * Sets the y component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} y - The value to set. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + setY(index, y) { + if (this.normalized) y = normalize(y, this.array); + this.data.array[index * this.data.stride + this.offset + 1] = y; + return this; + } + /** + * Sets the z component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} z - The value to set. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + setZ(index, z) { + if (this.normalized) z = normalize(z, this.array); + this.data.array[index * this.data.stride + this.offset + 2] = z; + return this; + } + /** + * Sets the w component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} w - The value to set. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + setW(index, w) { + if (this.normalized) w = normalize(w, this.array); + this.data.array[index * this.data.stride + this.offset + 3] = w; + return this; + } + /** + * Returns the x component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @return {number} The x component. + */ + getX(index) { + let x = this.data.array[index * this.data.stride + this.offset]; + if (this.normalized) x = denormalize(x, this.array); + return x; + } + /** + * Returns the y component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @return {number} The y component. + */ + getY(index) { + let y = this.data.array[index * this.data.stride + this.offset + 1]; + if (this.normalized) y = denormalize(y, this.array); + return y; + } + /** + * Returns the z component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @return {number} The z component. + */ + getZ(index) { + let z = this.data.array[index * this.data.stride + this.offset + 2]; + if (this.normalized) z = denormalize(z, this.array); + return z; + } + /** + * Returns the w component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @return {number} The w component. + */ + getW(index) { + let w = this.data.array[index * this.data.stride + this.offset + 3]; + if (this.normalized) w = denormalize(w, this.array); + return w; + } + /** + * Sets the x and y component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} x - The value for the x component to set. + * @param {number} y - The value for the y component to set. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + setXY(index, x, y) { + index = index * this.data.stride + this.offset; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + } + this.data.array[index + 0] = x; + this.data.array[index + 1] = y; + return this; + } + /** + * Sets the x, y and z component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} x - The value for the x component to set. + * @param {number} y - The value for the y component to set. + * @param {number} z - The value for the z component to set. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + setXYZ(index, x, y, z) { + index = index * this.data.stride + this.offset; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + } + this.data.array[index + 0] = x; + this.data.array[index + 1] = y; + this.data.array[index + 2] = z; + return this; + } + /** + * Sets the x, y, z and w component of the vector at the given index. + * + * @param {number} index - The index into the buffer attribute. + * @param {number} x - The value for the x component to set. + * @param {number} y - The value for the y component to set. + * @param {number} z - The value for the z component to set. + * @param {number} w - The value for the w component to set. + * @return {InterleavedBufferAttribute} A reference to this instance. + */ + setXYZW(index, x, y, z, w) { + index = index * this.data.stride + this.offset; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + w = normalize(w, this.array); + } + this.data.array[index + 0] = x; + this.data.array[index + 1] = y; + this.data.array[index + 2] = z; + this.data.array[index + 3] = w; + return this; + } + /** + * Returns a new buffer attribute with copied values from this instance. + * + * If no parameter is provided, cloning an interleaved buffer attribute will de-interleave buffer data. + * + * @param {Object} [data] - An object with interleaved buffers that allows to retain the interleaved property. + * @return {BufferAttribute|InterleavedBufferAttribute} A clone of this instance. + */ + clone(data) { + if (data === void 0) { + log("InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data."); + const array = []; + for (let i = 0; i < this.count; i++) { + const index = i * this.data.stride + this.offset; + for (let j = 0; j < this.itemSize; j++) { + array.push(this.data.array[index + j]); + } + } + return new BufferAttribute(new this.array.constructor(array), this.itemSize, this.normalized); + } else { + if (data.interleavedBuffers === void 0) { + data.interleavedBuffers = {}; + } + if (data.interleavedBuffers[this.data.uuid] === void 0) { + data.interleavedBuffers[this.data.uuid] = this.data.clone(data); + } + return new _InterleavedBufferAttribute(data.interleavedBuffers[this.data.uuid], this.itemSize, this.offset, this.normalized); + } + } + /** + * Serializes the buffer attribute into JSON. + * + * If no parameter is provided, cloning an interleaved buffer attribute will de-interleave buffer data. + * + * @param {Object} [data] - An optional value holding meta information about the serialization. + * @return {Object} A JSON object representing the serialized buffer attribute. + */ + toJSON(data) { + if (data === void 0) { + log("InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data."); + const array = []; + for (let i = 0; i < this.count; i++) { + const index = i * this.data.stride + this.offset; + for (let j = 0; j < this.itemSize; j++) { + array.push(this.data.array[index + j]); + } + } + return { + itemSize: this.itemSize, + type: this.array.constructor.name, + array, + normalized: this.normalized + }; + } else { + if (data.interleavedBuffers === void 0) { + data.interleavedBuffers = {}; + } + if (data.interleavedBuffers[this.data.uuid] === void 0) { + data.interleavedBuffers[this.data.uuid] = this.data.toJSON(data); + } + return { + isInterleavedBufferAttribute: true, + itemSize: this.itemSize, + data: this.data.uuid, + offset: this.offset, + normalized: this.normalized + }; + } + } +}; +var SpriteMaterial = class extends Material { + /** + * Constructs a new sprite material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isSpriteMaterial = true; + this.type = "SpriteMaterial"; + this.color = new Color(16777215); + this.map = null; + this.alphaMap = null; + this.rotation = 0; + this.sizeAttenuation = true; + this.transparent = true; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.rotation = source.rotation; + this.sizeAttenuation = source.sizeAttenuation; + this.fog = source.fog; + return this; + } +}; +var _geometry; +var _intersectPoint = new Vector3(); +var _worldScale = new Vector3(); +var _mvPosition = new Vector3(); +var _alignedPosition = new Vector2(); +var _rotatedPosition = new Vector2(); +var _viewWorldMatrix = new Matrix4(); +var _vA = new Vector3(); +var _vB = new Vector3(); +var _vC = new Vector3(); +var _uvA = new Vector2(); +var _uvB = new Vector2(); +var _uvC = new Vector2(); +var Sprite = class extends Object3D { + /** + * Constructs a new sprite. + * + * @param {(SpriteMaterial|SpriteNodeMaterial)} [material] - The sprite material. + */ + constructor(material = new SpriteMaterial()) { + super(); + this.isSprite = true; + this.type = "Sprite"; + if (_geometry === void 0) { + _geometry = new BufferGeometry(); + const float32Array = new Float32Array([ + -0.5, + -0.5, + 0, + 0, + 0, + 0.5, + -0.5, + 0, + 1, + 0, + 0.5, + 0.5, + 0, + 1, + 1, + -0.5, + 0.5, + 0, + 0, + 1 + ]); + const interleavedBuffer = new InterleavedBuffer(float32Array, 5); + _geometry.setIndex([0, 1, 2, 0, 2, 3]); + _geometry.setAttribute("position", new InterleavedBufferAttribute(interleavedBuffer, 3, 0, false)); + _geometry.setAttribute("uv", new InterleavedBufferAttribute(interleavedBuffer, 2, 3, false)); + } + this.geometry = _geometry; + this.material = material; + this.center = new Vector2(0.5, 0.5); + this.count = 1; + } + /** + * Computes intersection points between a casted ray and this sprite. + * + * @param {Raycaster} raycaster - The raycaster. + * @param {Array} intersects - The target array that holds the intersection points. + */ + raycast(raycaster, intersects2) { + if (raycaster.camera === null) { + error('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'); + } + _worldScale.setFromMatrixScale(this.matrixWorld); + _viewWorldMatrix.copy(raycaster.camera.matrixWorld); + this.modelViewMatrix.multiplyMatrices(raycaster.camera.matrixWorldInverse, this.matrixWorld); + _mvPosition.setFromMatrixPosition(this.modelViewMatrix); + if (raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false) { + _worldScale.multiplyScalar(-_mvPosition.z); + } + const rotation = this.material.rotation; + let sin, cos; + if (rotation !== 0) { + cos = Math.cos(rotation); + sin = Math.sin(rotation); + } + const center = this.center; + transformVertex(_vA.set(-0.5, -0.5, 0), _mvPosition, center, _worldScale, sin, cos); + transformVertex(_vB.set(0.5, -0.5, 0), _mvPosition, center, _worldScale, sin, cos); + transformVertex(_vC.set(0.5, 0.5, 0), _mvPosition, center, _worldScale, sin, cos); + _uvA.set(0, 0); + _uvB.set(1, 0); + _uvC.set(1, 1); + let intersect2 = raycaster.ray.intersectTriangle(_vA, _vB, _vC, false, _intersectPoint); + if (intersect2 === null) { + transformVertex(_vB.set(-0.5, 0.5, 0), _mvPosition, center, _worldScale, sin, cos); + _uvB.set(0, 1); + intersect2 = raycaster.ray.intersectTriangle(_vA, _vC, _vB, false, _intersectPoint); + if (intersect2 === null) { + return; + } + } + const distance = raycaster.ray.origin.distanceTo(_intersectPoint); + if (distance < raycaster.near || distance > raycaster.far) return; + intersects2.push({ + distance, + point: _intersectPoint.clone(), + uv: Triangle.getInterpolation(_intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2()), + face: null, + object: this + }); + } + copy(source, recursive) { + super.copy(source, recursive); + if (source.center !== void 0) this.center.copy(source.center); + this.material = source.material; + return this; + } +}; +function transformVertex(vertexPosition, mvPosition, center, scale, sin, cos) { + _alignedPosition.subVectors(vertexPosition, center).addScalar(0.5).multiply(scale); + if (sin !== void 0) { + _rotatedPosition.x = cos * _alignedPosition.x - sin * _alignedPosition.y; + _rotatedPosition.y = sin * _alignedPosition.x + cos * _alignedPosition.y; + } else { + _rotatedPosition.copy(_alignedPosition); + } + vertexPosition.copy(mvPosition); + vertexPosition.x += _rotatedPosition.x; + vertexPosition.y += _rotatedPosition.y; + vertexPosition.applyMatrix4(_viewWorldMatrix); +} +var _v1$2 = new Vector3(); +var _v2$1 = new Vector3(); +var LOD = class extends Object3D { + /** + * Constructs a new LOD. + */ + constructor() { + super(); + this.isLOD = true; + this._currentLevel = 0; + this.type = "LOD"; + Object.defineProperties(this, { + /** + * This array holds the LOD levels. + * + * @name LOD#levels + * @type {Array<{object:Object3D,distance:number,hysteresis:number}>} + */ + levels: { + enumerable: true, + value: [] + } + }); + this.autoUpdate = true; + } + copy(source) { + super.copy(source, false); + const levels = source.levels; + for (let i = 0, l = levels.length; i < l; i++) { + const level = levels[i]; + this.addLevel(level.object.clone(), level.distance, level.hysteresis); + } + this.autoUpdate = source.autoUpdate; + return this; + } + /** + * Adds a mesh that will display at a certain distance and greater. Typically + * the further away the distance, the lower the detail on the mesh. + * + * @param {Object3D} object - The 3D object to display at this level. + * @param {number} [distance=0] - The distance at which to display this level of detail. + * @param {number} [hysteresis=0] - Threshold used to avoid flickering at LOD boundaries, as a fraction of distance. + * @return {LOD} A reference to this instance. + */ + addLevel(object, distance = 0, hysteresis = 0) { + distance = Math.abs(distance); + const levels = this.levels; + let l; + for (l = 0; l < levels.length; l++) { + if (distance < levels[l].distance) { + break; + } + } + levels.splice(l, 0, { distance, hysteresis, object }); + this.add(object); + return this; + } + /** + * Removes an existing level, based on the distance from the camera. + * Returns `true` when the level has been removed. Otherwise `false`. + * + * @param {number} distance - Distance of the level to remove. + * @return {boolean} Whether the level has been removed or not. + */ + removeLevel(distance) { + const levels = this.levels; + for (let i = 0; i < levels.length; i++) { + if (levels[i].distance === distance) { + const removedElements = levels.splice(i, 1); + this.remove(removedElements[0].object); + return true; + } + } + return false; + } + /** + * Returns the currently active LOD level index. + * + * @return {number} The current active LOD level index. + */ + getCurrentLevel() { + return this._currentLevel; + } + /** + * Returns a reference to the first 3D object that is greater than + * the given distance. + * + * @param {number} distance - The LOD distance. + * @return {?Object3D} The found 3D object. `null` if no 3D object has been found. + */ + getObjectForDistance(distance) { + const levels = this.levels; + if (levels.length > 0) { + let i, l; + for (i = 1, l = levels.length; i < l; i++) { + let levelDistance = levels[i].distance; + if (levels[i].object.visible) { + levelDistance -= levelDistance * levels[i].hysteresis; + } + if (distance < levelDistance) { + break; + } + } + return levels[i - 1].object; + } + return null; + } + /** + * Computes intersection points between a casted ray and this LOD. + * + * @param {Raycaster} raycaster - The raycaster. + * @param {Array} intersects - The target array that holds the intersection points. + */ + raycast(raycaster, intersects2) { + const levels = this.levels; + if (levels.length > 0) { + _v1$2.setFromMatrixPosition(this.matrixWorld); + const distance = raycaster.ray.origin.distanceTo(_v1$2); + this.getObjectForDistance(distance).raycast(raycaster, intersects2); + } + } + /** + * Updates the LOD by computing which LOD level should be visible according + * to the current distance of the given camera. + * + * @param {Camera} camera - The camera the scene is rendered with. + */ + update(camera) { + const levels = this.levels; + if (levels.length > 1) { + _v1$2.setFromMatrixPosition(camera.matrixWorld); + _v2$1.setFromMatrixPosition(this.matrixWorld); + const distance = _v1$2.distanceTo(_v2$1) / camera.zoom; + levels[0].object.visible = true; + let i, l; + for (i = 1, l = levels.length; i < l; i++) { + let levelDistance = levels[i].distance; + if (levels[i].object.visible) { + levelDistance -= levelDistance * levels[i].hysteresis; + } + if (distance >= levelDistance) { + levels[i - 1].object.visible = false; + levels[i].object.visible = true; + } else { + break; + } + } + this._currentLevel = i - 1; + for (; i < l; i++) { + levels[i].object.visible = false; + } + } + } + toJSON(meta) { + const data = super.toJSON(meta); + if (this.autoUpdate === false) data.object.autoUpdate = false; + data.object.levels = []; + const levels = this.levels; + for (let i = 0, l = levels.length; i < l; i++) { + const level = levels[i]; + data.object.levels.push({ + object: level.object.uuid, + distance: level.distance, + hysteresis: level.hysteresis + }); + } + return data; + } +}; +var _basePosition = new Vector3(); +var _skinIndex = new Vector4(); +var _skinWeight = new Vector4(); +var _vector3 = new Vector3(); +var _matrix4 = new Matrix4(); +var _vertex = new Vector3(); +var _sphere$5 = new Sphere(); +var _inverseMatrix$2 = new Matrix4(); +var _ray$2 = new Ray(); +var SkinnedMesh = class extends Mesh { + /** + * Constructs a new skinned mesh. + * + * @param {BufferGeometry} [geometry] - The mesh geometry. + * @param {Material|Array} [material] - The mesh material. + */ + constructor(geometry, material) { + super(geometry, material); + this.isSkinnedMesh = true; + this.type = "SkinnedMesh"; + this.bindMode = AttachedBindMode; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); + this.boundingBox = null; + this.boundingSphere = null; + } + /** + * Computes the bounding box of the skinned mesh, and updates {@link SkinnedMesh#boundingBox}. + * The bounding box is not automatically computed by the engine; this method must be called by your app. + * If the skinned mesh is animated, the bounding box should be recomputed per frame in order to reflect + * the current animation state. + */ + computeBoundingBox() { + const geometry = this.geometry; + if (this.boundingBox === null) { + this.boundingBox = new Box3(); + } + this.boundingBox.makeEmpty(); + const positionAttribute = geometry.getAttribute("position"); + for (let i = 0; i < positionAttribute.count; i++) { + this.getVertexPosition(i, _vertex); + this.boundingBox.expandByPoint(_vertex); + } + } + /** + * Computes the bounding sphere of the skinned mesh, and updates {@link SkinnedMesh#boundingSphere}. + * The bounding sphere is automatically computed by the engine once when it is needed, e.g., for ray casting + * and view frustum culling. If the skinned mesh is animated, the bounding sphere should be recomputed + * per frame in order to reflect the current animation state. + */ + computeBoundingSphere() { + const geometry = this.geometry; + if (this.boundingSphere === null) { + this.boundingSphere = new Sphere(); + } + this.boundingSphere.makeEmpty(); + const positionAttribute = geometry.getAttribute("position"); + for (let i = 0; i < positionAttribute.count; i++) { + this.getVertexPosition(i, _vertex); + this.boundingSphere.expandByPoint(_vertex); + } + } + copy(source, recursive) { + super.copy(source, recursive); + this.bindMode = source.bindMode; + this.bindMatrix.copy(source.bindMatrix); + this.bindMatrixInverse.copy(source.bindMatrixInverse); + this.skeleton = source.skeleton; + if (source.boundingBox !== null) this.boundingBox = source.boundingBox.clone(); + if (source.boundingSphere !== null) this.boundingSphere = source.boundingSphere.clone(); + return this; + } + raycast(raycaster, intersects2) { + const material = this.material; + const matrixWorld = this.matrixWorld; + if (material === void 0) return; + if (this.boundingSphere === null) this.computeBoundingSphere(); + _sphere$5.copy(this.boundingSphere); + _sphere$5.applyMatrix4(matrixWorld); + if (raycaster.ray.intersectsSphere(_sphere$5) === false) return; + _inverseMatrix$2.copy(matrixWorld).invert(); + _ray$2.copy(raycaster.ray).applyMatrix4(_inverseMatrix$2); + if (this.boundingBox !== null) { + if (_ray$2.intersectsBox(this.boundingBox) === false) return; + } + this._computeIntersections(raycaster, intersects2, _ray$2); + } + getVertexPosition(index, target) { + super.getVertexPosition(index, target); + this.applyBoneTransform(index, target); + return target; + } + /** + * Binds the given skeleton to the skinned mesh. + * + * @param {Skeleton} skeleton - The skeleton to bind. + * @param {Matrix4} [bindMatrix] - The bind matrix. If no bind matrix is provided, + * the skinned mesh's world matrix will be used instead. + */ + bind(skeleton, bindMatrix) { + this.skeleton = skeleton; + if (bindMatrix === void 0) { + this.updateMatrixWorld(true); + this.skeleton.calculateInverses(); + bindMatrix = this.matrixWorld; + } + this.bindMatrix.copy(bindMatrix); + this.bindMatrixInverse.copy(bindMatrix).invert(); + } + /** + * This method sets the skinned mesh in the rest pose). + */ + pose() { + this.skeleton.pose(); + } + /** + * Normalizes the skin weights which are defined as a buffer attribute + * in the skinned mesh's geometry. + */ + normalizeSkinWeights() { + const vector = new Vector4(); + const skinWeight = this.geometry.attributes.skinWeight; + for (let i = 0, l = skinWeight.count; i < l; i++) { + vector.fromBufferAttribute(skinWeight, i); + const scale = 1 / vector.manhattanLength(); + if (scale !== Infinity) { + vector.multiplyScalar(scale); + } else { + vector.set(1, 0, 0, 0); + } + skinWeight.setXYZW(i, vector.x, vector.y, vector.z, vector.w); + } + } + updateMatrixWorld(force) { + super.updateMatrixWorld(force); + if (this.bindMode === AttachedBindMode) { + this.bindMatrixInverse.copy(this.matrixWorld).invert(); + } else if (this.bindMode === DetachedBindMode) { + this.bindMatrixInverse.copy(this.bindMatrix).invert(); + } else { + warn("SkinnedMesh: Unrecognized bindMode: " + this.bindMode); + } + } + /** + * Applies the bone transform associated with the given index to the given + * vertex position. Returns the updated vector. + * + * @param {number} index - The vertex index. + * @param {Vector3} target - The target object that is used to store the method's result. + * the skinned mesh's world matrix will be used instead. + * @return {Vector3} The updated vertex position. + */ + applyBoneTransform(index, target) { + const skeleton = this.skeleton; + const geometry = this.geometry; + _skinIndex.fromBufferAttribute(geometry.attributes.skinIndex, index); + _skinWeight.fromBufferAttribute(geometry.attributes.skinWeight, index); + _basePosition.copy(target).applyMatrix4(this.bindMatrix); + target.set(0, 0, 0); + for (let i = 0; i < 4; i++) { + const weight = _skinWeight.getComponent(i); + if (weight !== 0) { + const boneIndex = _skinIndex.getComponent(i); + _matrix4.multiplyMatrices(skeleton.bones[boneIndex].matrixWorld, skeleton.boneInverses[boneIndex]); + target.addScaledVector(_vector3.copy(_basePosition).applyMatrix4(_matrix4), weight); + } + } + return target.applyMatrix4(this.bindMatrixInverse); + } +}; +var Bone = class extends Object3D { + /** + * Constructs a new bone. + */ + constructor() { + super(); + this.isBone = true; + this.type = "Bone"; + } +}; +var DataTexture = class extends Texture { + /** + * Constructs a new data texture. + * + * @param {?TypedArray} [data=null] - The buffer data. + * @param {number} [width=1] - The width of the texture. + * @param {number} [height=1] - The height of the texture. + * @param {number} [format=RGBAFormat] - The texture format. + * @param {number} [type=UnsignedByteType] - The texture type. + * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping. + * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value. + * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value. + * @param {number} [magFilter=NearestFilter] - The mag filter value. + * @param {number} [minFilter=NearestFilter] - The min filter value. + * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value. + * @param {string} [colorSpace=NoColorSpace] - The color space. + */ + constructor(data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, colorSpace) { + super(null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace); + this.isDataTexture = true; + this.image = { data, width, height }; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + } +}; +var _offsetMatrix = new Matrix4(); +var _identityMatrix = new Matrix4(); +var Skeleton = class _Skeleton { + /** + * Constructs a new skeleton. + * + * @param {Array} [bones] - An array of bones. + * @param {Array} [boneInverses] - An array of bone inverse matrices. + * If not provided, these matrices will be computed automatically via {@link Skeleton#calculateInverses}. + */ + constructor(bones = [], boneInverses = []) { + this.uuid = generateUUID(); + this.bones = bones.slice(0); + this.boneInverses = boneInverses; + this.boneMatrices = null; + this.boneTexture = null; + this.init(); + } + /** + * Initializes the skeleton. This method gets automatically called by the constructor + * but depending on how the skeleton is created it might be necessary to call this method + * manually. + */ + init() { + const bones = this.bones; + const boneInverses = this.boneInverses; + this.boneMatrices = new Float32Array(bones.length * 16); + if (boneInverses.length === 0) { + this.calculateInverses(); + } else { + if (bones.length !== boneInverses.length) { + warn("Skeleton: Number of inverse bone matrices does not match amount of bones."); + this.boneInverses = []; + for (let i = 0, il = this.bones.length; i < il; i++) { + this.boneInverses.push(new Matrix4()); + } + } + } + } + /** + * Computes the bone inverse matrices. This method resets {@link Skeleton#boneInverses} + * and fills it with new matrices. + */ + calculateInverses() { + this.boneInverses.length = 0; + for (let i = 0, il = this.bones.length; i < il; i++) { + const inverse = new Matrix4(); + if (this.bones[i]) { + inverse.copy(this.bones[i].matrixWorld).invert(); + } + this.boneInverses.push(inverse); + } + } + /** + * Resets the skeleton to the base pose. + */ + pose() { + for (let i = 0, il = this.bones.length; i < il; i++) { + const bone = this.bones[i]; + if (bone) { + bone.matrixWorld.copy(this.boneInverses[i]).invert(); + } + } + for (let i = 0, il = this.bones.length; i < il; i++) { + const bone = this.bones[i]; + if (bone) { + if (bone.parent && bone.parent.isBone) { + bone.matrix.copy(bone.parent.matrixWorld).invert(); + bone.matrix.multiply(bone.matrixWorld); + } else { + bone.matrix.copy(bone.matrixWorld); + } + bone.matrix.decompose(bone.position, bone.quaternion, bone.scale); + } + } + } + /** + * Resets the skeleton to the base pose. + */ + update() { + const bones = this.bones; + const boneInverses = this.boneInverses; + const boneMatrices = this.boneMatrices; + const boneTexture = this.boneTexture; + for (let i = 0, il = bones.length; i < il; i++) { + const matrix = bones[i] ? bones[i].matrixWorld : _identityMatrix; + _offsetMatrix.multiplyMatrices(matrix, boneInverses[i]); + _offsetMatrix.toArray(boneMatrices, i * 16); + } + if (boneTexture !== null) { + boneTexture.needsUpdate = true; + } + } + /** + * Returns a new skeleton with copied values from this instance. + * + * @return {Skeleton} A clone of this instance. + */ + clone() { + return new _Skeleton(this.bones, this.boneInverses); + } + /** + * Computes a data texture for passing bone data to the vertex shader. + * + * @return {Skeleton} A reference of this instance. + */ + computeBoneTexture() { + let size = Math.sqrt(this.bones.length * 4); + size = Math.ceil(size / 4) * 4; + size = Math.max(size, 4); + const boneMatrices = new Float32Array(size * size * 4); + boneMatrices.set(this.boneMatrices); + const boneTexture = new DataTexture(boneMatrices, size, size, RGBAFormat, FloatType); + boneTexture.needsUpdate = true; + this.boneMatrices = boneMatrices; + this.boneTexture = boneTexture; + return this; + } + /** + * Searches through the skeleton's bone array and returns the first with a + * matching name. + * + * @param {string} name - The name of the bone. + * @return {Bone|undefined} The found bone. `undefined` if no bone has been found. + */ + getBoneByName(name) { + for (let i = 0, il = this.bones.length; i < il; i++) { + const bone = this.bones[i]; + if (bone.name === name) { + return bone; + } + } + return void 0; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + if (this.boneTexture !== null) { + this.boneTexture.dispose(); + this.boneTexture = null; + } + } + /** + * Setups the skeleton by the given JSON and bones. + * + * @param {Object} json - The skeleton as serialized JSON. + * @param {Object} bones - An array of bones. + * @return {Skeleton} A reference of this instance. + */ + fromJSON(json, bones) { + this.uuid = json.uuid; + for (let i = 0, l = json.bones.length; i < l; i++) { + const uuid = json.bones[i]; + let bone = bones[uuid]; + if (bone === void 0) { + warn("Skeleton: No bone found with UUID:", uuid); + bone = new Bone(); + } + this.bones.push(bone); + this.boneInverses.push(new Matrix4().fromArray(json.boneInverses[i])); + } + this.init(); + return this; + } + /** + * Serializes the skeleton into JSON. + * + * @return {Object} A JSON object representing the serialized skeleton. + * @see {@link ObjectLoader#parse} + */ + toJSON() { + const data = { + metadata: { + version: 4.7, + type: "Skeleton", + generator: "Skeleton.toJSON" + }, + bones: [], + boneInverses: [] + }; + data.uuid = this.uuid; + const bones = this.bones; + const boneInverses = this.boneInverses; + for (let i = 0, l = bones.length; i < l; i++) { + const bone = bones[i]; + data.bones.push(bone.uuid); + const boneInverse = boneInverses[i]; + data.boneInverses.push(boneInverse.toArray()); + } + return data; + } +}; +var InstancedBufferAttribute = class extends BufferAttribute { + /** + * Constructs a new instanced buffer attribute. + * + * @param {TypedArray} array - The array holding the attribute data. + * @param {number} itemSize - The item size. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + * @param {number} [meshPerAttribute=1] - How often a value of this buffer attribute should be repeated. + */ + constructor(array, itemSize, normalized, meshPerAttribute = 1) { + super(array, itemSize, normalized); + this.isInstancedBufferAttribute = true; + this.meshPerAttribute = meshPerAttribute; + } + copy(source) { + super.copy(source); + this.meshPerAttribute = source.meshPerAttribute; + return this; + } + toJSON() { + const data = super.toJSON(); + data.meshPerAttribute = this.meshPerAttribute; + data.isInstancedBufferAttribute = true; + return data; + } +}; +var _instanceLocalMatrix = new Matrix4(); +var _instanceWorldMatrix = new Matrix4(); +var _instanceIntersects = []; +var _box3 = new Box3(); +var _identity = new Matrix4(); +var _mesh$1 = new Mesh(); +var _sphere$4 = new Sphere(); +var InstancedMesh = class extends Mesh { + /** + * Constructs a new instanced mesh. + * + * @param {BufferGeometry} [geometry] - The mesh geometry. + * @param {Material|Array} [material] - The mesh material. + * @param {number} count - The number of instances. + */ + constructor(geometry, material, count) { + super(geometry, material); + this.isInstancedMesh = true; + this.instanceMatrix = new InstancedBufferAttribute(new Float32Array(count * 16), 16); + this.instanceColor = null; + this.morphTexture = null; + this.count = count; + this.boundingBox = null; + this.boundingSphere = null; + for (let i = 0; i < count; i++) { + this.setMatrixAt(i, _identity); + } + } + /** + * Computes the bounding box of the instanced mesh, and updates {@link InstancedMesh#boundingBox}. + * The bounding box is not automatically computed by the engine; this method must be called by your app. + * You may need to recompute the bounding box if an instance is transformed via {@link InstancedMesh#setMatrixAt}. + */ + computeBoundingBox() { + const geometry = this.geometry; + const count = this.count; + if (this.boundingBox === null) { + this.boundingBox = new Box3(); + } + if (geometry.boundingBox === null) { + geometry.computeBoundingBox(); + } + this.boundingBox.makeEmpty(); + for (let i = 0; i < count; i++) { + this.getMatrixAt(i, _instanceLocalMatrix); + _box3.copy(geometry.boundingBox).applyMatrix4(_instanceLocalMatrix); + this.boundingBox.union(_box3); + } + } + /** + * Computes the bounding sphere of the instanced mesh, and updates {@link InstancedMesh#boundingSphere} + * The engine automatically computes the bounding sphere when it is needed, e.g., for ray casting or view frustum culling. + * You may need to recompute the bounding sphere if an instance is transformed via {@link InstancedMesh#setMatrixAt}. + */ + computeBoundingSphere() { + const geometry = this.geometry; + const count = this.count; + if (this.boundingSphere === null) { + this.boundingSphere = new Sphere(); + } + if (geometry.boundingSphere === null) { + geometry.computeBoundingSphere(); + } + this.boundingSphere.makeEmpty(); + for (let i = 0; i < count; i++) { + this.getMatrixAt(i, _instanceLocalMatrix); + _sphere$4.copy(geometry.boundingSphere).applyMatrix4(_instanceLocalMatrix); + this.boundingSphere.union(_sphere$4); + } + } + copy(source, recursive) { + super.copy(source, recursive); + this.instanceMatrix.copy(source.instanceMatrix); + if (source.morphTexture !== null) this.morphTexture = source.morphTexture.clone(); + if (source.instanceColor !== null) this.instanceColor = source.instanceColor.clone(); + this.count = source.count; + if (source.boundingBox !== null) this.boundingBox = source.boundingBox.clone(); + if (source.boundingSphere !== null) this.boundingSphere = source.boundingSphere.clone(); + return this; + } + /** + * Gets the color of the defined instance. + * + * @param {number} index - The instance index. + * @param {Color} color - The target object that is used to store the method's result. + */ + getColorAt(index, color) { + color.fromArray(this.instanceColor.array, index * 3); + } + /** + * Gets the local transformation matrix of the defined instance. + * + * @param {number} index - The instance index. + * @param {Matrix4} matrix - The target object that is used to store the method's result. + */ + getMatrixAt(index, matrix) { + matrix.fromArray(this.instanceMatrix.array, index * 16); + } + /** + * Gets the morph target weights of the defined instance. + * + * @param {number} index - The instance index. + * @param {Mesh} object - The target object that is used to store the method's result. + */ + getMorphAt(index, object) { + const objectInfluences = object.morphTargetInfluences; + const array = this.morphTexture.source.data.data; + const len = objectInfluences.length + 1; + const dataIndex = index * len + 1; + for (let i = 0; i < objectInfluences.length; i++) { + objectInfluences[i] = array[dataIndex + i]; + } + } + raycast(raycaster, intersects2) { + const matrixWorld = this.matrixWorld; + const raycastTimes = this.count; + _mesh$1.geometry = this.geometry; + _mesh$1.material = this.material; + if (_mesh$1.material === void 0) return; + if (this.boundingSphere === null) this.computeBoundingSphere(); + _sphere$4.copy(this.boundingSphere); + _sphere$4.applyMatrix4(matrixWorld); + if (raycaster.ray.intersectsSphere(_sphere$4) === false) return; + for (let instanceId = 0; instanceId < raycastTimes; instanceId++) { + this.getMatrixAt(instanceId, _instanceLocalMatrix); + _instanceWorldMatrix.multiplyMatrices(matrixWorld, _instanceLocalMatrix); + _mesh$1.matrixWorld = _instanceWorldMatrix; + _mesh$1.raycast(raycaster, _instanceIntersects); + for (let i = 0, l = _instanceIntersects.length; i < l; i++) { + const intersect2 = _instanceIntersects[i]; + intersect2.instanceId = instanceId; + intersect2.object = this; + intersects2.push(intersect2); + } + _instanceIntersects.length = 0; + } + } + /** + * Sets the given color to the defined instance. Make sure you set the `needsUpdate` flag of + * {@link InstancedMesh#instanceColor} to `true` after updating all the colors. + * + * @param {number} index - The instance index. + * @param {Color} color - The instance color. + */ + setColorAt(index, color) { + if (this.instanceColor === null) { + this.instanceColor = new InstancedBufferAttribute(new Float32Array(this.instanceMatrix.count * 3).fill(1), 3); + } + color.toArray(this.instanceColor.array, index * 3); + } + /** + * Sets the given local transformation matrix to the defined instance. Make sure you set the `needsUpdate` flag of + * {@link InstancedMesh#instanceMatrix} to `true` after updating all the colors. + * + * @param {number} index - The instance index. + * @param {Matrix4} matrix - The local transformation. + */ + setMatrixAt(index, matrix) { + matrix.toArray(this.instanceMatrix.array, index * 16); + } + /** + * Sets the morph target weights to the defined instance. Make sure you set the `needsUpdate` flag of + * {@link InstancedMesh#morphTexture} to `true` after updating all the influences. + * + * @param {number} index - The instance index. + * @param {Mesh} object - A mesh which `morphTargetInfluences` property containing the morph target weights + * of a single instance. + */ + setMorphAt(index, object) { + const objectInfluences = object.morphTargetInfluences; + const len = objectInfluences.length + 1; + if (this.morphTexture === null) { + this.morphTexture = new DataTexture(new Float32Array(len * this.count), len, this.count, RedFormat, FloatType); + } + const array = this.morphTexture.source.data.data; + let morphInfluencesSum = 0; + for (let i = 0; i < objectInfluences.length; i++) { + morphInfluencesSum += objectInfluences[i]; + } + const morphBaseInfluence = this.geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + const dataIndex = len * index; + array[dataIndex] = morphBaseInfluence; + array.set(objectInfluences, dataIndex + 1); + } + updateMorphTargets() { + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.dispatchEvent({ type: "dispose" }); + if (this.morphTexture !== null) { + this.morphTexture.dispose(); + this.morphTexture = null; + } + } +}; +var _vector1 = new Vector3(); +var _vector2 = new Vector3(); +var _normalMatrix = new Matrix3(); +var Plane = class { + /** + * Constructs a new plane. + * + * @param {Vector3} [normal=(1,0,0)] - A unit length vector defining the normal of the plane. + * @param {number} [constant=0] - The signed distance from the origin to the plane. + */ + constructor(normal = new Vector3(1, 0, 0), constant = 0) { + this.isPlane = true; + this.normal = normal; + this.constant = constant; + } + /** + * Sets the plane components by copying the given values. + * + * @param {Vector3} normal - The normal. + * @param {number} constant - The constant. + * @return {Plane} A reference to this plane. + */ + set(normal, constant) { + this.normal.copy(normal); + this.constant = constant; + return this; + } + /** + * Sets the plane components by defining `x`, `y`, `z` as the + * plane normal and `w` as the constant. + * + * @param {number} x - The value for the normal's x component. + * @param {number} y - The value for the normal's y component. + * @param {number} z - The value for the normal's z component. + * @param {number} w - The constant value. + * @return {Plane} A reference to this plane. + */ + setComponents(x, y, z, w) { + this.normal.set(x, y, z); + this.constant = w; + return this; + } + /** + * Sets the plane from the given normal and coplanar point (that is a point + * that lies onto the plane). + * + * @param {Vector3} normal - The normal. + * @param {Vector3} point - A coplanar point. + * @return {Plane} A reference to this plane. + */ + setFromNormalAndCoplanarPoint(normal, point) { + this.normal.copy(normal); + this.constant = -point.dot(this.normal); + return this; + } + /** + * Sets the plane from three coplanar points. The winding order is + * assumed to be counter-clockwise, and determines the direction of + * the plane normal. + * + * @param {Vector3} a - The first coplanar point. + * @param {Vector3} b - The second coplanar point. + * @param {Vector3} c - The third coplanar point. + * @return {Plane} A reference to this plane. + */ + setFromCoplanarPoints(a, b, c) { + const normal = _vector1.subVectors(c, b).cross(_vector2.subVectors(a, b)).normalize(); + this.setFromNormalAndCoplanarPoint(normal, a); + return this; + } + /** + * Copies the values of the given plane to this instance. + * + * @param {Plane} plane - The plane to copy. + * @return {Plane} A reference to this plane. + */ + copy(plane) { + this.normal.copy(plane.normal); + this.constant = plane.constant; + return this; + } + /** + * Normalizes the plane normal and adjusts the constant accordingly. + * + * @return {Plane} A reference to this plane. + */ + normalize() { + const inverseNormalLength = 1 / this.normal.length(); + this.normal.multiplyScalar(inverseNormalLength); + this.constant *= inverseNormalLength; + return this; + } + /** + * Negates both the plane normal and the constant. + * + * @return {Plane} A reference to this plane. + */ + negate() { + this.constant *= -1; + this.normal.negate(); + return this; + } + /** + * Returns the signed distance from the given point to this plane. + * + * @param {Vector3} point - The point to compute the distance for. + * @return {number} The signed distance. + */ + distanceToPoint(point) { + return this.normal.dot(point) + this.constant; + } + /** + * Returns the signed distance from the given sphere to this plane. + * + * @param {Sphere} sphere - The sphere to compute the distance for. + * @return {number} The signed distance. + */ + distanceToSphere(sphere) { + return this.distanceToPoint(sphere.center) - sphere.radius; + } + /** + * Projects a the given point onto the plane. + * + * @param {Vector3} point - The point to project. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The projected point on the plane. + */ + projectPoint(point, target) { + return target.copy(point).addScaledVector(this.normal, -this.distanceToPoint(point)); + } + /** + * Returns the intersection point of the passed line and the plane. Returns + * `null` if the line does not intersect. Returns the line's starting point if + * the line is coplanar with the plane. + * + * @param {Line3} line - The line to compute the intersection for. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {?Vector3} The intersection point. + */ + intersectLine(line, target) { + const direction = line.delta(_vector1); + const denominator = this.normal.dot(direction); + if (denominator === 0) { + if (this.distanceToPoint(line.start) === 0) { + return target.copy(line.start); + } + return null; + } + const t = -(line.start.dot(this.normal) + this.constant) / denominator; + if (t < 0 || t > 1) { + return null; + } + return target.copy(line.start).addScaledVector(direction, t); + } + /** + * Returns `true` if the given line segment intersects with (passes through) the plane. + * + * @param {Line3} line - The line to test. + * @return {boolean} Whether the given line segment intersects with the plane or not. + */ + intersectsLine(line) { + const startSign = this.distanceToPoint(line.start); + const endSign = this.distanceToPoint(line.end); + return startSign < 0 && endSign > 0 || endSign < 0 && startSign > 0; + } + /** + * Returns `true` if the given bounding box intersects with the plane. + * + * @param {Box3} box - The bounding box to test. + * @return {boolean} Whether the given bounding box intersects with the plane or not. + */ + intersectsBox(box) { + return box.intersectsPlane(this); + } + /** + * Returns `true` if the given bounding sphere intersects with the plane. + * + * @param {Sphere} sphere - The bounding sphere to test. + * @return {boolean} Whether the given bounding sphere intersects with the plane or not. + */ + intersectsSphere(sphere) { + return sphere.intersectsPlane(this); + } + /** + * Returns a coplanar vector to the plane, by calculating the + * projection of the normal at the origin onto the plane. + * + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The coplanar point. + */ + coplanarPoint(target) { + return target.copy(this.normal).multiplyScalar(-this.constant); + } + /** + * Apply a 4x4 matrix to the plane. The matrix must be an affine, homogeneous transform. + * + * The optional normal matrix can be pre-computed like so: + * ```js + * const optionalNormalMatrix = new THREE.Matrix3().getNormalMatrix( matrix ); + * ``` + * + * @param {Matrix4} matrix - The transformation matrix. + * @param {Matrix4} [optionalNormalMatrix] - A pre-computed normal matrix. + * @return {Plane} A reference to this plane. + */ + applyMatrix4(matrix, optionalNormalMatrix) { + const normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix(matrix); + const referencePoint = this.coplanarPoint(_vector1).applyMatrix4(matrix); + const normal = this.normal.applyMatrix3(normalMatrix).normalize(); + this.constant = -referencePoint.dot(normal); + return this; + } + /** + * Translates the plane by the distance defined by the given offset vector. + * Note that this only affects the plane constant and will not affect the normal vector. + * + * @param {Vector3} offset - The offset vector. + * @return {Plane} A reference to this plane. + */ + translate(offset) { + this.constant -= offset.dot(this.normal); + return this; + } + /** + * Returns `true` if this plane is equal with the given one. + * + * @param {Plane} plane - The plane to test for equality. + * @return {boolean} Whether this plane is equal with the given one. + */ + equals(plane) { + return plane.normal.equals(this.normal) && plane.constant === this.constant; + } + /** + * Returns a new plane with copied values from this instance. + * + * @return {Plane} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } +}; +var _sphere$3 = new Sphere(); +var _defaultSpriteCenter = new Vector2(0.5, 0.5); +var _vector$6 = new Vector3(); +var Frustum = class { + /** + * Constructs a new frustum. + * + * @param {Plane} [p0] - The first plane that encloses the frustum. + * @param {Plane} [p1] - The second plane that encloses the frustum. + * @param {Plane} [p2] - The third plane that encloses the frustum. + * @param {Plane} [p3] - The fourth plane that encloses the frustum. + * @param {Plane} [p4] - The fifth plane that encloses the frustum. + * @param {Plane} [p5] - The sixth plane that encloses the frustum. + */ + constructor(p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane()) { + this.planes = [p0, p1, p2, p3, p4, p5]; + } + /** + * Sets the frustum planes by copying the given planes. + * + * @param {Plane} [p0] - The first plane that encloses the frustum. + * @param {Plane} [p1] - The second plane that encloses the frustum. + * @param {Plane} [p2] - The third plane that encloses the frustum. + * @param {Plane} [p3] - The fourth plane that encloses the frustum. + * @param {Plane} [p4] - The fifth plane that encloses the frustum. + * @param {Plane} [p5] - The sixth plane that encloses the frustum. + * @return {Frustum} A reference to this frustum. + */ + set(p0, p1, p2, p3, p4, p5) { + const planes = this.planes; + planes[0].copy(p0); + planes[1].copy(p1); + planes[2].copy(p2); + planes[3].copy(p3); + planes[4].copy(p4); + planes[5].copy(p5); + return this; + } + /** + * Copies the values of the given frustum to this instance. + * + * @param {Frustum} frustum - The frustum to copy. + * @return {Frustum} A reference to this frustum. + */ + copy(frustum) { + const planes = this.planes; + for (let i = 0; i < 6; i++) { + planes[i].copy(frustum.planes[i]); + } + return this; + } + /** + * Sets the frustum planes from the given projection matrix. + * + * @param {Matrix4} m - The projection matrix. + * @param {(WebGLCoordinateSystem|WebGPUCoordinateSystem)} coordinateSystem - The coordinate system. + * @param {boolean} [reversedDepth=false] - Whether to use a reversed depth. + * @return {Frustum} A reference to this frustum. + */ + setFromProjectionMatrix(m, coordinateSystem = WebGLCoordinateSystem, reversedDepth = false) { + const planes = this.planes; + const me = m.elements; + const me0 = me[0], me1 = me[1], me2 = me[2], me3 = me[3]; + const me4 = me[4], me5 = me[5], me6 = me[6], me7 = me[7]; + const me8 = me[8], me9 = me[9], me10 = me[10], me11 = me[11]; + const me12 = me[12], me13 = me[13], me14 = me[14], me15 = me[15]; + planes[0].setComponents(me3 - me0, me7 - me4, me11 - me8, me15 - me12).normalize(); + planes[1].setComponents(me3 + me0, me7 + me4, me11 + me8, me15 + me12).normalize(); + planes[2].setComponents(me3 + me1, me7 + me5, me11 + me9, me15 + me13).normalize(); + planes[3].setComponents(me3 - me1, me7 - me5, me11 - me9, me15 - me13).normalize(); + if (reversedDepth) { + planes[4].setComponents(me2, me6, me10, me14).normalize(); + planes[5].setComponents(me3 - me2, me7 - me6, me11 - me10, me15 - me14).normalize(); + } else { + planes[4].setComponents(me3 - me2, me7 - me6, me11 - me10, me15 - me14).normalize(); + if (coordinateSystem === WebGLCoordinateSystem) { + planes[5].setComponents(me3 + me2, me7 + me6, me11 + me10, me15 + me14).normalize(); + } else if (coordinateSystem === WebGPUCoordinateSystem) { + planes[5].setComponents(me2, me6, me10, me14).normalize(); + } else { + throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: " + coordinateSystem); + } + } + return this; + } + /** + * Returns `true` if the 3D object's bounding sphere is intersecting this frustum. + * + * Note that the 3D object must have a geometry so that the bounding sphere can be calculated. + * + * @param {Object3D} object - The 3D object to test. + * @return {boolean} Whether the 3D object's bounding sphere is intersecting this frustum or not. + */ + intersectsObject(object) { + if (object.boundingSphere !== void 0) { + if (object.boundingSphere === null) object.computeBoundingSphere(); + _sphere$3.copy(object.boundingSphere).applyMatrix4(object.matrixWorld); + } else { + const geometry = object.geometry; + if (geometry.boundingSphere === null) geometry.computeBoundingSphere(); + _sphere$3.copy(geometry.boundingSphere).applyMatrix4(object.matrixWorld); + } + return this.intersectsSphere(_sphere$3); + } + /** + * Returns `true` if the given sprite is intersecting this frustum. + * + * @param {Sprite} sprite - The sprite to test. + * @return {boolean} Whether the sprite is intersecting this frustum or not. + */ + intersectsSprite(sprite) { + _sphere$3.center.set(0, 0, 0); + const offset = _defaultSpriteCenter.distanceTo(sprite.center); + _sphere$3.radius = 0.7071067811865476 + offset; + _sphere$3.applyMatrix4(sprite.matrixWorld); + return this.intersectsSphere(_sphere$3); + } + /** + * Returns `true` if the given bounding sphere is intersecting this frustum. + * + * @param {Sphere} sphere - The bounding sphere to test. + * @return {boolean} Whether the bounding sphere is intersecting this frustum or not. + */ + intersectsSphere(sphere) { + const planes = this.planes; + const center = sphere.center; + const negRadius = -sphere.radius; + for (let i = 0; i < 6; i++) { + const distance = planes[i].distanceToPoint(center); + if (distance < negRadius) { + return false; + } + } + return true; + } + /** + * Returns `true` if the given bounding box is intersecting this frustum. + * + * @param {Box3} box - The bounding box to test. + * @return {boolean} Whether the bounding box is intersecting this frustum or not. + */ + intersectsBox(box) { + const planes = this.planes; + for (let i = 0; i < 6; i++) { + const plane = planes[i]; + _vector$6.x = plane.normal.x > 0 ? box.max.x : box.min.x; + _vector$6.y = plane.normal.y > 0 ? box.max.y : box.min.y; + _vector$6.z = plane.normal.z > 0 ? box.max.z : box.min.z; + if (plane.distanceToPoint(_vector$6) < 0) { + return false; + } + } + return true; + } + /** + * Returns `true` if the given point lies within the frustum. + * + * @param {Vector3} point - The point to test. + * @return {boolean} Whether the point lies within this frustum or not. + */ + containsPoint(point) { + const planes = this.planes; + for (let i = 0; i < 6; i++) { + if (planes[i].distanceToPoint(point) < 0) { + return false; + } + } + return true; + } + /** + * Returns a new frustum with copied values from this instance. + * + * @return {Frustum} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } +}; +var _projScreenMatrix$2 = new Matrix4(); +var _frustum$1 = new Frustum(); +var FrustumArray = class _FrustumArray { + /** + * Constructs a new frustum array. + * + */ + constructor() { + this.coordinateSystem = WebGLCoordinateSystem; + } + /** + * Returns `true` if the 3D object's bounding sphere is intersecting any frustum + * from the camera array. + * + * @param {Object3D} object - The 3D object to test. + * @param {Object} cameraArray - An object with a cameras property containing an array of cameras. + * @return {boolean} Whether the 3D object is visible in any camera. + */ + intersectsObject(object, cameraArray) { + if (!cameraArray.isArrayCamera || cameraArray.cameras.length === 0) { + return false; + } + for (let i = 0; i < cameraArray.cameras.length; i++) { + const camera = cameraArray.cameras[i]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + camera.coordinateSystem, + camera.reversedDepth + ); + if (_frustum$1.intersectsObject(object)) { + return true; + } + } + return false; + } + /** + * Returns `true` if the given sprite is intersecting any frustum + * from the camera array. + * + * @param {Sprite} sprite - The sprite to test. + * @param {Object} cameraArray - An object with a cameras property containing an array of cameras. + * @return {boolean} Whether the sprite is visible in any camera. + */ + intersectsSprite(sprite, cameraArray) { + if (!cameraArray || !cameraArray.cameras || cameraArray.cameras.length === 0) { + return false; + } + for (let i = 0; i < cameraArray.cameras.length; i++) { + const camera = cameraArray.cameras[i]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + camera.coordinateSystem, + camera.reversedDepth + ); + if (_frustum$1.intersectsSprite(sprite)) { + return true; + } + } + return false; + } + /** + * Returns `true` if the given bounding sphere is intersecting any frustum + * from the camera array. + * + * @param {Sphere} sphere - The bounding sphere to test. + * @param {Object} cameraArray - An object with a cameras property containing an array of cameras. + * @return {boolean} Whether the sphere is visible in any camera. + */ + intersectsSphere(sphere, cameraArray) { + if (!cameraArray || !cameraArray.cameras || cameraArray.cameras.length === 0) { + return false; + } + for (let i = 0; i < cameraArray.cameras.length; i++) { + const camera = cameraArray.cameras[i]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + camera.coordinateSystem, + camera.reversedDepth + ); + if (_frustum$1.intersectsSphere(sphere)) { + return true; + } + } + return false; + } + /** + * Returns `true` if the given bounding box is intersecting any frustum + * from the camera array. + * + * @param {Box3} box - The bounding box to test. + * @param {Object} cameraArray - An object with a cameras property containing an array of cameras. + * @return {boolean} Whether the box is visible in any camera. + */ + intersectsBox(box, cameraArray) { + if (!cameraArray || !cameraArray.cameras || cameraArray.cameras.length === 0) { + return false; + } + for (let i = 0; i < cameraArray.cameras.length; i++) { + const camera = cameraArray.cameras[i]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + camera.coordinateSystem, + camera.reversedDepth + ); + if (_frustum$1.intersectsBox(box)) { + return true; + } + } + return false; + } + /** + * Returns `true` if the given point lies within any frustum + * from the camera array. + * + * @param {Vector3} point - The point to test. + * @param {Object} cameraArray - An object with a cameras property containing an array of cameras. + * @return {boolean} Whether the point is visible in any camera. + */ + containsPoint(point, cameraArray) { + if (!cameraArray || !cameraArray.cameras || cameraArray.cameras.length === 0) { + return false; + } + for (let i = 0; i < cameraArray.cameras.length; i++) { + const camera = cameraArray.cameras[i]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + camera.coordinateSystem, + camera.reversedDepth + ); + if (_frustum$1.containsPoint(point)) { + return true; + } + } + return false; + } + /** + * Returns a new frustum array with copied values from this instance. + * + * @return {FrustumArray} A clone of this instance. + */ + clone() { + return new _FrustumArray(); + } +}; +function ascIdSort(a, b) { + return a - b; +} +function sortOpaque(a, b) { + return a.z - b.z; +} +function sortTransparent(a, b) { + return b.z - a.z; +} +var MultiDrawRenderList = class { + constructor() { + this.index = 0; + this.pool = []; + this.list = []; + } + push(start, count, z, index) { + const pool = this.pool; + const list = this.list; + if (this.index >= pool.length) { + pool.push({ + start: -1, + count: -1, + z: -1, + index: -1 + }); + } + const item = pool[this.index]; + list.push(item); + this.index++; + item.start = start; + item.count = count; + item.z = z; + item.index = index; + } + reset() { + this.list.length = 0; + this.index = 0; + } +}; +var _matrix$1 = new Matrix4(); +var _whiteColor = new Color(1, 1, 1); +var _frustum = new Frustum(); +var _frustumArray = new FrustumArray(); +var _box$1 = new Box3(); +var _sphere$2 = new Sphere(); +var _vector$5 = new Vector3(); +var _forward$1 = new Vector3(); +var _temp = new Vector3(); +var _renderList = new MultiDrawRenderList(); +var _mesh = new Mesh(); +var _batchIntersects = []; +function copyAttributeData(src, target, targetOffset = 0) { + const itemSize = target.itemSize; + if (src.isInterleavedBufferAttribute || src.array.constructor !== target.array.constructor) { + const vertexCount = src.count; + for (let i = 0; i < vertexCount; i++) { + for (let c = 0; c < itemSize; c++) { + target.setComponent(i + targetOffset, c, src.getComponent(i, c)); + } + } + } else { + target.array.set(src.array, targetOffset * itemSize); + } + target.needsUpdate = true; +} +function copyArrayContents(src, target) { + if (src.constructor !== target.constructor) { + const len = Math.min(src.length, target.length); + for (let i = 0; i < len; i++) { + target[i] = src[i]; + } + } else { + const len = Math.min(src.length, target.length); + target.set(new src.constructor(src.buffer, 0, len)); + } +} +var BatchedMesh = class extends Mesh { + /** + * Constructs a new batched mesh. + * + * @param {number} maxInstanceCount - The maximum number of individual instances planned to be added and rendered. + * @param {number} maxVertexCount - The maximum number of vertices to be used by all unique geometries. + * @param {number} [maxIndexCount=maxVertexCount*2] - The maximum number of indices to be used by all unique geometries + * @param {Material|Array} [material] - The mesh material. + */ + constructor(maxInstanceCount, maxVertexCount, maxIndexCount = maxVertexCount * 2, material) { + super(new BufferGeometry(), material); + this.isBatchedMesh = true; + this.perObjectFrustumCulled = true; + this.sortObjects = true; + this.boundingBox = null; + this.boundingSphere = null; + this.customSort = null; + this._instanceInfo = []; + this._geometryInfo = []; + this._availableInstanceIds = []; + this._availableGeometryIds = []; + this._nextIndexStart = 0; + this._nextVertexStart = 0; + this._geometryCount = 0; + this._visibilityChanged = true; + this._geometryInitialized = false; + this._maxInstanceCount = maxInstanceCount; + this._maxVertexCount = maxVertexCount; + this._maxIndexCount = maxIndexCount; + this._multiDrawCounts = new Int32Array(maxInstanceCount); + this._multiDrawStarts = new Int32Array(maxInstanceCount); + this._multiDrawCount = 0; + this._multiDrawInstances = null; + this._matricesTexture = null; + this._indirectTexture = null; + this._colorsTexture = null; + this._initMatricesTexture(); + this._initIndirectTexture(); + } + /** + * The maximum number of individual instances that can be stored in the batch. + * + * @type {number} + * @readonly + */ + get maxInstanceCount() { + return this._maxInstanceCount; + } + /** + * The instance count. + * + * @type {number} + * @readonly + */ + get instanceCount() { + return this._instanceInfo.length - this._availableInstanceIds.length; + } + /** + * The number of unused vertices. + * + * @type {number} + * @readonly + */ + get unusedVertexCount() { + return this._maxVertexCount - this._nextVertexStart; + } + /** + * The number of unused indices. + * + * @type {number} + * @readonly + */ + get unusedIndexCount() { + return this._maxIndexCount - this._nextIndexStart; + } + _initMatricesTexture() { + let size = Math.sqrt(this._maxInstanceCount * 4); + size = Math.ceil(size / 4) * 4; + size = Math.max(size, 4); + const matricesArray = new Float32Array(size * size * 4); + const matricesTexture = new DataTexture(matricesArray, size, size, RGBAFormat, FloatType); + this._matricesTexture = matricesTexture; + } + _initIndirectTexture() { + let size = Math.sqrt(this._maxInstanceCount); + size = Math.ceil(size); + const indirectArray = new Uint32Array(size * size); + const indirectTexture = new DataTexture(indirectArray, size, size, RedIntegerFormat, UnsignedIntType); + this._indirectTexture = indirectTexture; + } + _initColorsTexture() { + let size = Math.sqrt(this._maxInstanceCount); + size = Math.ceil(size); + const colorsArray = new Float32Array(size * size * 4).fill(1); + const colorsTexture = new DataTexture(colorsArray, size, size, RGBAFormat, FloatType); + colorsTexture.colorSpace = ColorManagement.workingColorSpace; + this._colorsTexture = colorsTexture; + } + _initializeGeometry(reference) { + const geometry = this.geometry; + const maxVertexCount = this._maxVertexCount; + const maxIndexCount = this._maxIndexCount; + if (this._geometryInitialized === false) { + for (const attributeName in reference.attributes) { + const srcAttribute = reference.getAttribute(attributeName); + const { array, itemSize, normalized } = srcAttribute; + const dstArray = new array.constructor(maxVertexCount * itemSize); + const dstAttribute = new BufferAttribute(dstArray, itemSize, normalized); + geometry.setAttribute(attributeName, dstAttribute); + } + if (reference.getIndex() !== null) { + const indexArray = maxVertexCount > 65535 ? new Uint32Array(maxIndexCount) : new Uint16Array(maxIndexCount); + geometry.setIndex(new BufferAttribute(indexArray, 1)); + } + this._geometryInitialized = true; + } + } + // Make sure the geometry is compatible with the existing combined geometry attributes + _validateGeometry(geometry) { + const batchGeometry = this.geometry; + if (Boolean(geometry.getIndex()) !== Boolean(batchGeometry.getIndex())) { + throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".'); + } + for (const attributeName in batchGeometry.attributes) { + if (!geometry.hasAttribute(attributeName)) { + throw new Error(`THREE.BatchedMesh: Added geometry missing "${attributeName}". All geometries must have consistent attributes.`); + } + const srcAttribute = geometry.getAttribute(attributeName); + const dstAttribute = batchGeometry.getAttribute(attributeName); + if (srcAttribute.itemSize !== dstAttribute.itemSize || srcAttribute.normalized !== dstAttribute.normalized) { + throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value."); + } + } + } + /** + * Validates the instance defined by the given ID. + * + * @param {number} instanceId - The instance to validate. + */ + validateInstanceId(instanceId) { + const instanceInfo = this._instanceInfo; + if (instanceId < 0 || instanceId >= instanceInfo.length || instanceInfo[instanceId].active === false) { + throw new Error(`THREE.BatchedMesh: Invalid instanceId ${instanceId}. Instance is either out of range or has been deleted.`); + } + } + /** + * Validates the geometry defined by the given ID. + * + * @param {number} geometryId - The geometry to validate. + */ + validateGeometryId(geometryId) { + const geometryInfoList = this._geometryInfo; + if (geometryId < 0 || geometryId >= geometryInfoList.length || geometryInfoList[geometryId].active === false) { + throw new Error(`THREE.BatchedMesh: Invalid geometryId ${geometryId}. Geometry is either out of range or has been deleted.`); + } + } + /** + * Takes a sort a function that is run before render. The function takes a list of instances to + * sort and a camera. The objects in the list include a "z" field to perform a depth-ordered sort with. + * + * @param {Function} func - The custom sort function. + * @return {BatchedMesh} A reference to this batched mesh. + */ + setCustomSort(func) { + this.customSort = func; + return this; + } + /** + * Computes the bounding box, updating {@link BatchedMesh#boundingBox}. + * Bounding boxes aren't computed by default. They need to be explicitly computed, + * otherwise they are `null`. + */ + computeBoundingBox() { + if (this.boundingBox === null) { + this.boundingBox = new Box3(); + } + const boundingBox = this.boundingBox; + const instanceInfo = this._instanceInfo; + boundingBox.makeEmpty(); + for (let i = 0, l = instanceInfo.length; i < l; i++) { + if (instanceInfo[i].active === false) continue; + const geometryId = instanceInfo[i].geometryIndex; + this.getMatrixAt(i, _matrix$1); + this.getBoundingBoxAt(geometryId, _box$1).applyMatrix4(_matrix$1); + boundingBox.union(_box$1); + } + } + /** + * Computes the bounding sphere, updating {@link BatchedMesh#boundingSphere}. + * Bounding spheres aren't computed by default. They need to be explicitly computed, + * otherwise they are `null`. + */ + computeBoundingSphere() { + if (this.boundingSphere === null) { + this.boundingSphere = new Sphere(); + } + const boundingSphere = this.boundingSphere; + const instanceInfo = this._instanceInfo; + boundingSphere.makeEmpty(); + for (let i = 0, l = instanceInfo.length; i < l; i++) { + if (instanceInfo[i].active === false) continue; + const geometryId = instanceInfo[i].geometryIndex; + this.getMatrixAt(i, _matrix$1); + this.getBoundingSphereAt(geometryId, _sphere$2).applyMatrix4(_matrix$1); + boundingSphere.union(_sphere$2); + } + } + /** + * Adds a new instance to the batch using the geometry of the given ID and returns + * a new id referring to the new instance to be used by other functions. + * + * @param {number} geometryId - The ID of a previously added geometry via {@link BatchedMesh#addGeometry}. + * @return {number} The instance ID. + */ + addInstance(geometryId) { + const atCapacity = this._instanceInfo.length >= this.maxInstanceCount; + if (atCapacity && this._availableInstanceIds.length === 0) { + throw new Error("THREE.BatchedMesh: Maximum item count reached."); + } + const instanceInfo = { + visible: true, + active: true, + geometryIndex: geometryId + }; + let drawId = null; + if (this._availableInstanceIds.length > 0) { + this._availableInstanceIds.sort(ascIdSort); + drawId = this._availableInstanceIds.shift(); + this._instanceInfo[drawId] = instanceInfo; + } else { + drawId = this._instanceInfo.length; + this._instanceInfo.push(instanceInfo); + } + const matricesTexture = this._matricesTexture; + _matrix$1.identity().toArray(matricesTexture.image.data, drawId * 16); + matricesTexture.needsUpdate = true; + const colorsTexture = this._colorsTexture; + if (colorsTexture) { + _whiteColor.toArray(colorsTexture.image.data, drawId * 4); + colorsTexture.needsUpdate = true; + } + this._visibilityChanged = true; + return drawId; + } + /** + * Adds the given geometry to the batch and returns the associated + * geometry id referring to it to be used in other functions. + * + * @param {BufferGeometry} geometry - The geometry to add. + * @param {number} [reservedVertexCount=-1] - Optional parameter specifying the amount of + * vertex buffer space to reserve for the added geometry. This is necessary if it is planned + * to set a new geometry at this index at a later time that is larger than the original geometry. + * Defaults to the length of the given geometry vertex buffer. + * @param {number} [reservedIndexCount=-1] - Optional parameter specifying the amount of index + * buffer space to reserve for the added geometry. This is necessary if it is planned to set a + * new geometry at this index at a later time that is larger than the original geometry. Defaults to + * the length of the given geometry index buffer. + * @return {number} The geometry ID. + */ + addGeometry(geometry, reservedVertexCount = -1, reservedIndexCount = -1) { + this._initializeGeometry(geometry); + this._validateGeometry(geometry); + const geometryInfo = { + // geometry information + vertexStart: -1, + vertexCount: -1, + reservedVertexCount: -1, + indexStart: -1, + indexCount: -1, + reservedIndexCount: -1, + // draw range information + start: -1, + count: -1, + // state + boundingBox: null, + boundingSphere: null, + active: true + }; + const geometryInfoList = this._geometryInfo; + geometryInfo.vertexStart = this._nextVertexStart; + geometryInfo.reservedVertexCount = reservedVertexCount === -1 ? geometry.getAttribute("position").count : reservedVertexCount; + const index = geometry.getIndex(); + const hasIndex = index !== null; + if (hasIndex) { + geometryInfo.indexStart = this._nextIndexStart; + geometryInfo.reservedIndexCount = reservedIndexCount === -1 ? index.count : reservedIndexCount; + } + if (geometryInfo.indexStart !== -1 && geometryInfo.indexStart + geometryInfo.reservedIndexCount > this._maxIndexCount || geometryInfo.vertexStart + geometryInfo.reservedVertexCount > this._maxVertexCount) { + throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size."); + } + let geometryId; + if (this._availableGeometryIds.length > 0) { + this._availableGeometryIds.sort(ascIdSort); + geometryId = this._availableGeometryIds.shift(); + geometryInfoList[geometryId] = geometryInfo; + } else { + geometryId = this._geometryCount; + this._geometryCount++; + geometryInfoList.push(geometryInfo); + } + this.setGeometryAt(geometryId, geometry); + this._nextIndexStart = geometryInfo.indexStart + geometryInfo.reservedIndexCount; + this._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount; + return geometryId; + } + /** + * Replaces the geometry at the given ID with the provided geometry. Throws an error if there + * is not enough space reserved for geometry. Calling this will change all instances that are + * rendering that geometry. + * + * @param {number} geometryId - The ID of the geometry that should be replaced with the given geometry. + * @param {BufferGeometry} geometry - The new geometry. + * @return {number} The geometry ID. + */ + setGeometryAt(geometryId, geometry) { + if (geometryId >= this._geometryCount) { + throw new Error("THREE.BatchedMesh: Maximum geometry count reached."); + } + this._validateGeometry(geometry); + const batchGeometry = this.geometry; + const hasIndex = batchGeometry.getIndex() !== null; + const dstIndex = batchGeometry.getIndex(); + const srcIndex = geometry.getIndex(); + const geometryInfo = this._geometryInfo[geometryId]; + if (hasIndex && srcIndex.count > geometryInfo.reservedIndexCount || geometry.attributes.position.count > geometryInfo.reservedVertexCount) { + throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry."); + } + const vertexStart = geometryInfo.vertexStart; + const reservedVertexCount = geometryInfo.reservedVertexCount; + geometryInfo.vertexCount = geometry.getAttribute("position").count; + for (const attributeName in batchGeometry.attributes) { + const srcAttribute = geometry.getAttribute(attributeName); + const dstAttribute = batchGeometry.getAttribute(attributeName); + copyAttributeData(srcAttribute, dstAttribute, vertexStart); + const itemSize = srcAttribute.itemSize; + for (let i = srcAttribute.count, l = reservedVertexCount; i < l; i++) { + const index = vertexStart + i; + for (let c = 0; c < itemSize; c++) { + dstAttribute.setComponent(index, c, 0); + } + } + dstAttribute.needsUpdate = true; + dstAttribute.addUpdateRange(vertexStart * itemSize, reservedVertexCount * itemSize); + } + if (hasIndex) { + const indexStart = geometryInfo.indexStart; + const reservedIndexCount = geometryInfo.reservedIndexCount; + geometryInfo.indexCount = geometry.getIndex().count; + for (let i = 0; i < srcIndex.count; i++) { + dstIndex.setX(indexStart + i, vertexStart + srcIndex.getX(i)); + } + for (let i = srcIndex.count, l = reservedIndexCount; i < l; i++) { + dstIndex.setX(indexStart + i, vertexStart); + } + dstIndex.needsUpdate = true; + dstIndex.addUpdateRange(indexStart, geometryInfo.reservedIndexCount); + } + geometryInfo.start = hasIndex ? geometryInfo.indexStart : geometryInfo.vertexStart; + geometryInfo.count = hasIndex ? geometryInfo.indexCount : geometryInfo.vertexCount; + geometryInfo.boundingBox = null; + if (geometry.boundingBox !== null) { + geometryInfo.boundingBox = geometry.boundingBox.clone(); + } + geometryInfo.boundingSphere = null; + if (geometry.boundingSphere !== null) { + geometryInfo.boundingSphere = geometry.boundingSphere.clone(); + } + this._visibilityChanged = true; + return geometryId; + } + /** + * Deletes the geometry defined by the given ID from this batch. Any instances referencing + * this geometry will also be removed as a side effect. + * + * @param {number} geometryId - The ID of the geometry to remove from the batch. + * @return {BatchedMesh} A reference to this batched mesh. + */ + deleteGeometry(geometryId) { + const geometryInfoList = this._geometryInfo; + if (geometryId >= geometryInfoList.length || geometryInfoList[geometryId].active === false) { + return this; + } + const instanceInfo = this._instanceInfo; + for (let i = 0, l = instanceInfo.length; i < l; i++) { + if (instanceInfo[i].active && instanceInfo[i].geometryIndex === geometryId) { + this.deleteInstance(i); + } + } + geometryInfoList[geometryId].active = false; + this._availableGeometryIds.push(geometryId); + this._visibilityChanged = true; + return this; + } + /** + * Deletes an existing instance from the batch using the given ID. + * + * @param {number} instanceId - The ID of the instance to remove from the batch. + * @return {BatchedMesh} A reference to this batched mesh. + */ + deleteInstance(instanceId) { + this.validateInstanceId(instanceId); + this._instanceInfo[instanceId].active = false; + this._availableInstanceIds.push(instanceId); + this._visibilityChanged = true; + return this; + } + /** + * Repacks the sub geometries in [name] to remove any unused space remaining from + * previously deleted geometry, freeing up space to add new geometry. + * + * @param {number} instanceId - The ID of the instance to remove from the batch. + * @return {BatchedMesh} A reference to this batched mesh. + */ + optimize() { + let nextVertexStart = 0; + let nextIndexStart = 0; + const geometryInfoList = this._geometryInfo; + const indices = geometryInfoList.map((e, i) => i).sort((a, b) => { + return geometryInfoList[a].vertexStart - geometryInfoList[b].vertexStart; + }); + const geometry = this.geometry; + for (let i = 0, l = geometryInfoList.length; i < l; i++) { + const index = indices[i]; + const geometryInfo = geometryInfoList[index]; + if (geometryInfo.active === false) { + continue; + } + if (geometry.index !== null) { + if (geometryInfo.indexStart !== nextIndexStart) { + const { indexStart, vertexStart, reservedIndexCount } = geometryInfo; + const index2 = geometry.index; + const array = index2.array; + const elementDelta = nextVertexStart - vertexStart; + for (let j = indexStart; j < indexStart + reservedIndexCount; j++) { + array[j] = array[j] + elementDelta; + } + index2.array.copyWithin(nextIndexStart, indexStart, indexStart + reservedIndexCount); + index2.addUpdateRange(nextIndexStart, reservedIndexCount); + geometryInfo.indexStart = nextIndexStart; + } + nextIndexStart += geometryInfo.reservedIndexCount; + } + if (geometryInfo.vertexStart !== nextVertexStart) { + const { vertexStart, reservedVertexCount } = geometryInfo; + const attributes = geometry.attributes; + for (const key in attributes) { + const attribute = attributes[key]; + const { array, itemSize } = attribute; + array.copyWithin(nextVertexStart * itemSize, vertexStart * itemSize, (vertexStart + reservedVertexCount) * itemSize); + attribute.addUpdateRange(nextVertexStart * itemSize, reservedVertexCount * itemSize); + } + geometryInfo.vertexStart = nextVertexStart; + } + nextVertexStart += geometryInfo.reservedVertexCount; + geometryInfo.start = geometry.index ? geometryInfo.indexStart : geometryInfo.vertexStart; + this._nextIndexStart = geometry.index ? geometryInfo.indexStart + geometryInfo.reservedIndexCount : 0; + this._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount; + } + return this; + } + /** + * Returns the bounding box for the given geometry. + * + * @param {number} geometryId - The ID of the geometry to return the bounding box for. + * @param {Box3} target - The target object that is used to store the method's result. + * @return {?Box3} The geometry's bounding box. Returns `null` if no geometry has been found for the given ID. + */ + getBoundingBoxAt(geometryId, target) { + if (geometryId >= this._geometryCount) { + return null; + } + const geometry = this.geometry; + const geometryInfo = this._geometryInfo[geometryId]; + if (geometryInfo.boundingBox === null) { + const box = new Box3(); + const index = geometry.index; + const position = geometry.attributes.position; + for (let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i++) { + let iv = i; + if (index) { + iv = index.getX(iv); + } + box.expandByPoint(_vector$5.fromBufferAttribute(position, iv)); + } + geometryInfo.boundingBox = box; + } + target.copy(geometryInfo.boundingBox); + return target; + } + /** + * Returns the bounding sphere for the given geometry. + * + * @param {number} geometryId - The ID of the geometry to return the bounding sphere for. + * @param {Sphere} target - The target object that is used to store the method's result. + * @return {?Sphere} The geometry's bounding sphere. Returns `null` if no geometry has been found for the given ID. + */ + getBoundingSphereAt(geometryId, target) { + if (geometryId >= this._geometryCount) { + return null; + } + const geometry = this.geometry; + const geometryInfo = this._geometryInfo[geometryId]; + if (geometryInfo.boundingSphere === null) { + const sphere = new Sphere(); + this.getBoundingBoxAt(geometryId, _box$1); + _box$1.getCenter(sphere.center); + const index = geometry.index; + const position = geometry.attributes.position; + let maxRadiusSq = 0; + for (let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i++) { + let iv = i; + if (index) { + iv = index.getX(iv); + } + _vector$5.fromBufferAttribute(position, iv); + maxRadiusSq = Math.max(maxRadiusSq, sphere.center.distanceToSquared(_vector$5)); + } + sphere.radius = Math.sqrt(maxRadiusSq); + geometryInfo.boundingSphere = sphere; + } + target.copy(geometryInfo.boundingSphere); + return target; + } + /** + * Sets the given local transformation matrix to the defined instance. + * Negatively scaled matrices are not supported. + * + * @param {number} instanceId - The ID of an instance to set the matrix of. + * @param {Matrix4} matrix - A 4x4 matrix representing the local transformation of a single instance. + * @return {BatchedMesh} A reference to this batched mesh. + */ + setMatrixAt(instanceId, matrix) { + this.validateInstanceId(instanceId); + const matricesTexture = this._matricesTexture; + const matricesArray = this._matricesTexture.image.data; + matrix.toArray(matricesArray, instanceId * 16); + matricesTexture.needsUpdate = true; + return this; + } + /** + * Returns the local transformation matrix of the defined instance. + * + * @param {number} instanceId - The ID of an instance to get the matrix of. + * @param {Matrix4} matrix - The target object that is used to store the method's result. + * @return {Matrix4} The instance's local transformation matrix. + */ + getMatrixAt(instanceId, matrix) { + this.validateInstanceId(instanceId); + return matrix.fromArray(this._matricesTexture.image.data, instanceId * 16); + } + /** + * Sets the given color to the defined instance. + * + * @param {number} instanceId - The ID of an instance to set the color of. + * @param {Color} color - The color to set the instance to. + * @return {BatchedMesh} A reference to this batched mesh. + */ + setColorAt(instanceId, color) { + this.validateInstanceId(instanceId); + if (this._colorsTexture === null) { + this._initColorsTexture(); + } + color.toArray(this._colorsTexture.image.data, instanceId * 4); + this._colorsTexture.needsUpdate = true; + return this; + } + /** + * Returns the color of the defined instance. + * + * @param {number} instanceId - The ID of an instance to get the color of. + * @param {Color} color - The target object that is used to store the method's result. + * @return {Color} The instance's color. + */ + getColorAt(instanceId, color) { + this.validateInstanceId(instanceId); + return color.fromArray(this._colorsTexture.image.data, instanceId * 4); + } + /** + * Sets the visibility of the instance. + * + * @param {number} instanceId - The id of the instance to set the visibility of. + * @param {boolean} visible - Whether the instance is visible or not. + * @return {BatchedMesh} A reference to this batched mesh. + */ + setVisibleAt(instanceId, visible) { + this.validateInstanceId(instanceId); + if (this._instanceInfo[instanceId].visible === visible) { + return this; + } + this._instanceInfo[instanceId].visible = visible; + this._visibilityChanged = true; + return this; + } + /** + * Returns the visibility state of the defined instance. + * + * @param {number} instanceId - The ID of an instance to get the visibility state of. + * @return {boolean} Whether the instance is visible or not. + */ + getVisibleAt(instanceId) { + this.validateInstanceId(instanceId); + return this._instanceInfo[instanceId].visible; + } + /** + * Sets the geometry ID of the instance at the given index. + * + * @param {number} instanceId - The ID of the instance to set the geometry ID of. + * @param {number} geometryId - The geometry ID to be use by the instance. + * @return {BatchedMesh} A reference to this batched mesh. + */ + setGeometryIdAt(instanceId, geometryId) { + this.validateInstanceId(instanceId); + this.validateGeometryId(geometryId); + this._instanceInfo[instanceId].geometryIndex = geometryId; + return this; + } + /** + * Returns the geometry ID of the defined instance. + * + * @param {number} instanceId - The ID of an instance to get the geometry ID of. + * @return {number} The instance's geometry ID. + */ + getGeometryIdAt(instanceId) { + this.validateInstanceId(instanceId); + return this._instanceInfo[instanceId].geometryIndex; + } + /** + * Get the range representing the subset of triangles related to the attached geometry, + * indicating the starting offset and count, or `null` if invalid. + * + * @param {number} geometryId - The id of the geometry to get the range of. + * @param {Object} [target] - The target object that is used to store the method's result. + * @return {{ + * vertexStart:number,vertexCount:number,reservedVertexCount:number, + * indexStart:number,indexCount:number,reservedIndexCount:number, + * start:number,count:number + * }} The result object with range data. + */ + getGeometryRangeAt(geometryId, target = {}) { + this.validateGeometryId(geometryId); + const geometryInfo = this._geometryInfo[geometryId]; + target.vertexStart = geometryInfo.vertexStart; + target.vertexCount = geometryInfo.vertexCount; + target.reservedVertexCount = geometryInfo.reservedVertexCount; + target.indexStart = geometryInfo.indexStart; + target.indexCount = geometryInfo.indexCount; + target.reservedIndexCount = geometryInfo.reservedIndexCount; + target.start = geometryInfo.start; + target.count = geometryInfo.count; + return target; + } + /** + * Resizes the necessary buffers to support the provided number of instances. + * If the provided arguments shrink the number of instances but there are not enough + * unused Ids at the end of the list then an error is thrown. + * + * @param {number} maxInstanceCount - The max number of individual instances that can be added and rendered by the batch. + */ + setInstanceCount(maxInstanceCount) { + const availableInstanceIds = this._availableInstanceIds; + const instanceInfo = this._instanceInfo; + availableInstanceIds.sort(ascIdSort); + while (availableInstanceIds[availableInstanceIds.length - 1] === instanceInfo.length - 1) { + instanceInfo.pop(); + availableInstanceIds.pop(); + } + if (maxInstanceCount < instanceInfo.length) { + throw new Error(`BatchedMesh: Instance ids outside the range ${maxInstanceCount} are being used. Cannot shrink instance count.`); + } + const multiDrawCounts = new Int32Array(maxInstanceCount); + const multiDrawStarts = new Int32Array(maxInstanceCount); + copyArrayContents(this._multiDrawCounts, multiDrawCounts); + copyArrayContents(this._multiDrawStarts, multiDrawStarts); + this._multiDrawCounts = multiDrawCounts; + this._multiDrawStarts = multiDrawStarts; + this._maxInstanceCount = maxInstanceCount; + const indirectTexture = this._indirectTexture; + const matricesTexture = this._matricesTexture; + const colorsTexture = this._colorsTexture; + indirectTexture.dispose(); + this._initIndirectTexture(); + copyArrayContents(indirectTexture.image.data, this._indirectTexture.image.data); + matricesTexture.dispose(); + this._initMatricesTexture(); + copyArrayContents(matricesTexture.image.data, this._matricesTexture.image.data); + if (colorsTexture) { + colorsTexture.dispose(); + this._initColorsTexture(); + copyArrayContents(colorsTexture.image.data, this._colorsTexture.image.data); + } + } + /** + * Resizes the available space in the batch's vertex and index buffer attributes to the provided sizes. + * If the provided arguments shrink the geometry buffers but there is not enough unused space at the + * end of the geometry attributes then an error is thrown. + * + * @param {number} maxVertexCount - The maximum number of vertices to be used by all unique geometries to resize to. + * @param {number} maxIndexCount - The maximum number of indices to be used by all unique geometries to resize to. + */ + setGeometrySize(maxVertexCount, maxIndexCount) { + const validRanges = [...this._geometryInfo].filter((info) => info.active); + const requiredVertexLength = Math.max(...validRanges.map((range) => range.vertexStart + range.reservedVertexCount)); + if (requiredVertexLength > maxVertexCount) { + throw new Error(`BatchedMesh: Geometry vertex values are being used outside the range ${maxIndexCount}. Cannot shrink further.`); + } + if (this.geometry.index) { + const requiredIndexLength = Math.max(...validRanges.map((range) => range.indexStart + range.reservedIndexCount)); + if (requiredIndexLength > maxIndexCount) { + throw new Error(`BatchedMesh: Geometry index values are being used outside the range ${maxIndexCount}. Cannot shrink further.`); + } + } + const oldGeometry = this.geometry; + oldGeometry.dispose(); + this._maxVertexCount = maxVertexCount; + this._maxIndexCount = maxIndexCount; + if (this._geometryInitialized) { + this._geometryInitialized = false; + this.geometry = new BufferGeometry(); + this._initializeGeometry(oldGeometry); + } + const geometry = this.geometry; + if (oldGeometry.index) { + copyArrayContents(oldGeometry.index.array, geometry.index.array); + } + for (const key in oldGeometry.attributes) { + copyArrayContents(oldGeometry.attributes[key].array, geometry.attributes[key].array); + } + } + raycast(raycaster, intersects2) { + const instanceInfo = this._instanceInfo; + const geometryInfoList = this._geometryInfo; + const matrixWorld = this.matrixWorld; + const batchGeometry = this.geometry; + _mesh.material = this.material; + _mesh.geometry.index = batchGeometry.index; + _mesh.geometry.attributes = batchGeometry.attributes; + if (_mesh.geometry.boundingBox === null) { + _mesh.geometry.boundingBox = new Box3(); + } + if (_mesh.geometry.boundingSphere === null) { + _mesh.geometry.boundingSphere = new Sphere(); + } + for (let i = 0, l = instanceInfo.length; i < l; i++) { + if (!instanceInfo[i].visible || !instanceInfo[i].active) { + continue; + } + const geometryId = instanceInfo[i].geometryIndex; + const geometryInfo = geometryInfoList[geometryId]; + _mesh.geometry.setDrawRange(geometryInfo.start, geometryInfo.count); + this.getMatrixAt(i, _mesh.matrixWorld).premultiply(matrixWorld); + this.getBoundingBoxAt(geometryId, _mesh.geometry.boundingBox); + this.getBoundingSphereAt(geometryId, _mesh.geometry.boundingSphere); + _mesh.raycast(raycaster, _batchIntersects); + for (let j = 0, l2 = _batchIntersects.length; j < l2; j++) { + const intersect2 = _batchIntersects[j]; + intersect2.object = this; + intersect2.batchId = i; + intersects2.push(intersect2); + } + _batchIntersects.length = 0; + } + _mesh.material = null; + _mesh.geometry.index = null; + _mesh.geometry.attributes = {}; + _mesh.geometry.setDrawRange(0, Infinity); + } + copy(source) { + super.copy(source); + this.geometry = source.geometry.clone(); + this.perObjectFrustumCulled = source.perObjectFrustumCulled; + this.sortObjects = source.sortObjects; + this.boundingBox = source.boundingBox !== null ? source.boundingBox.clone() : null; + this.boundingSphere = source.boundingSphere !== null ? source.boundingSphere.clone() : null; + this._geometryInfo = source._geometryInfo.map((info) => ({ + ...info, + boundingBox: info.boundingBox !== null ? info.boundingBox.clone() : null, + boundingSphere: info.boundingSphere !== null ? info.boundingSphere.clone() : null + })); + this._instanceInfo = source._instanceInfo.map((info) => ({ ...info })); + this._availableInstanceIds = source._availableInstanceIds.slice(); + this._availableGeometryIds = source._availableGeometryIds.slice(); + this._nextIndexStart = source._nextIndexStart; + this._nextVertexStart = source._nextVertexStart; + this._geometryCount = source._geometryCount; + this._maxInstanceCount = source._maxInstanceCount; + this._maxVertexCount = source._maxVertexCount; + this._maxIndexCount = source._maxIndexCount; + this._geometryInitialized = source._geometryInitialized; + this._multiDrawCounts = source._multiDrawCounts.slice(); + this._multiDrawStarts = source._multiDrawStarts.slice(); + this._indirectTexture = source._indirectTexture.clone(); + this._indirectTexture.image.data = this._indirectTexture.image.data.slice(); + this._matricesTexture = source._matricesTexture.clone(); + this._matricesTexture.image.data = this._matricesTexture.image.data.slice(); + if (this._colorsTexture !== null) { + this._colorsTexture = source._colorsTexture.clone(); + this._colorsTexture.image.data = this._colorsTexture.image.data.slice(); + } + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this._matricesTexture.dispose(); + this._matricesTexture = null; + this._indirectTexture.dispose(); + this._indirectTexture = null; + if (this._colorsTexture !== null) { + this._colorsTexture.dispose(); + this._colorsTexture = null; + } + } + onBeforeRender(renderer, scene, camera, geometry, material) { + if (!this._visibilityChanged && !this.perObjectFrustumCulled && !this.sortObjects) { + return; + } + const index = geometry.getIndex(); + const bytesPerElement = index === null ? 1 : index.array.BYTES_PER_ELEMENT; + const instanceInfo = this._instanceInfo; + const multiDrawStarts = this._multiDrawStarts; + const multiDrawCounts = this._multiDrawCounts; + const geometryInfoList = this._geometryInfo; + const perObjectFrustumCulled = this.perObjectFrustumCulled; + const indirectTexture = this._indirectTexture; + const indirectArray = indirectTexture.image.data; + const frustum = camera.isArrayCamera ? _frustumArray : _frustum; + if (perObjectFrustumCulled && !camera.isArrayCamera) { + _matrix$1.multiplyMatrices(camera.projectionMatrix, camera.matrixWorldInverse).multiply(this.matrixWorld); + _frustum.setFromProjectionMatrix( + _matrix$1, + camera.coordinateSystem, + camera.reversedDepth + ); + } + let multiDrawCount = 0; + if (this.sortObjects) { + _matrix$1.copy(this.matrixWorld).invert(); + _vector$5.setFromMatrixPosition(camera.matrixWorld).applyMatrix4(_matrix$1); + _forward$1.set(0, 0, -1).transformDirection(camera.matrixWorld).transformDirection(_matrix$1); + for (let i = 0, l = instanceInfo.length; i < l; i++) { + if (instanceInfo[i].visible && instanceInfo[i].active) { + const geometryId = instanceInfo[i].geometryIndex; + this.getMatrixAt(i, _matrix$1); + this.getBoundingSphereAt(geometryId, _sphere$2).applyMatrix4(_matrix$1); + let culled = false; + if (perObjectFrustumCulled) { + culled = !frustum.intersectsSphere(_sphere$2, camera); + } + if (!culled) { + const geometryInfo = geometryInfoList[geometryId]; + const z = _temp.subVectors(_sphere$2.center, _vector$5).dot(_forward$1); + _renderList.push(geometryInfo.start, geometryInfo.count, z, i); + } + } + } + const list = _renderList.list; + const customSort = this.customSort; + if (customSort === null) { + list.sort(material.transparent ? sortTransparent : sortOpaque); + } else { + customSort.call(this, list, camera); + } + for (let i = 0, l = list.length; i < l; i++) { + const item = list[i]; + multiDrawStarts[multiDrawCount] = item.start * bytesPerElement; + multiDrawCounts[multiDrawCount] = item.count; + indirectArray[multiDrawCount] = item.index; + multiDrawCount++; + } + _renderList.reset(); + } else { + for (let i = 0, l = instanceInfo.length; i < l; i++) { + if (instanceInfo[i].visible && instanceInfo[i].active) { + const geometryId = instanceInfo[i].geometryIndex; + let culled = false; + if (perObjectFrustumCulled) { + this.getMatrixAt(i, _matrix$1); + this.getBoundingSphereAt(geometryId, _sphere$2).applyMatrix4(_matrix$1); + culled = !frustum.intersectsSphere(_sphere$2, camera); + } + if (!culled) { + const geometryInfo = geometryInfoList[geometryId]; + multiDrawStarts[multiDrawCount] = geometryInfo.start * bytesPerElement; + multiDrawCounts[multiDrawCount] = geometryInfo.count; + indirectArray[multiDrawCount] = i; + multiDrawCount++; + } + } + } + } + indirectTexture.needsUpdate = true; + this._multiDrawCount = multiDrawCount; + this._visibilityChanged = false; + } + onBeforeShadow(renderer, object, camera, shadowCamera, geometry, depthMaterial) { + this.onBeforeRender(renderer, null, shadowCamera, geometry, depthMaterial); + } +}; +var LineBasicMaterial = class extends Material { + /** + * Constructs a new line basic material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isLineBasicMaterial = true; + this.type = "LineBasicMaterial"; + this.color = new Color(16777215); + this.map = null; + this.linewidth = 1; + this.linecap = "round"; + this.linejoin = "round"; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; + this.fog = source.fog; + return this; + } +}; +var _vStart = new Vector3(); +var _vEnd = new Vector3(); +var _inverseMatrix$1 = new Matrix4(); +var _ray$1 = new Ray(); +var _sphere$1 = new Sphere(); +var _intersectPointOnRay = new Vector3(); +var _intersectPointOnSegment = new Vector3(); +var Line = class extends Object3D { + /** + * Constructs a new line. + * + * @param {BufferGeometry} [geometry] - The line geometry. + * @param {Material|Array} [material] - The line material. + */ + constructor(geometry = new BufferGeometry(), material = new LineBasicMaterial()) { + super(); + this.isLine = true; + this.type = "Line"; + this.geometry = geometry; + this.material = material; + this.morphTargetDictionary = void 0; + this.morphTargetInfluences = void 0; + this.updateMorphTargets(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.material = Array.isArray(source.material) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + /** + * Computes an array of distance values which are necessary for rendering dashed lines. + * For each vertex in the geometry, the method calculates the cumulative length from the + * current point to the very beginning of the line. + * + * @return {Line} A reference to this line. + */ + computeLineDistances() { + const geometry = this.geometry; + if (geometry.index === null) { + const positionAttribute = geometry.attributes.position; + const lineDistances = [0]; + for (let i = 1, l = positionAttribute.count; i < l; i++) { + _vStart.fromBufferAttribute(positionAttribute, i - 1); + _vEnd.fromBufferAttribute(positionAttribute, i); + lineDistances[i] = lineDistances[i - 1]; + lineDistances[i] += _vStart.distanceTo(_vEnd); + } + geometry.setAttribute("lineDistance", new Float32BufferAttribute(lineDistances, 1)); + } else { + warn("Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry."); + } + return this; + } + /** + * Computes intersection points between a casted ray and this line. + * + * @param {Raycaster} raycaster - The raycaster. + * @param {Array} intersects - The target array that holds the intersection points. + */ + raycast(raycaster, intersects2) { + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Line.threshold; + const drawRange = geometry.drawRange; + if (geometry.boundingSphere === null) geometry.computeBoundingSphere(); + _sphere$1.copy(geometry.boundingSphere); + _sphere$1.applyMatrix4(matrixWorld); + _sphere$1.radius += threshold; + if (raycaster.ray.intersectsSphere(_sphere$1) === false) return; + _inverseMatrix$1.copy(matrixWorld).invert(); + _ray$1.copy(raycaster.ray).applyMatrix4(_inverseMatrix$1); + const localThreshold = threshold / ((this.scale.x + this.scale.y + this.scale.z) / 3); + const localThresholdSq = localThreshold * localThreshold; + const step = this.isLineSegments ? 2 : 1; + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + if (index !== null) { + const start = Math.max(0, drawRange.start); + const end = Math.min(index.count, drawRange.start + drawRange.count); + for (let i = start, l = end - 1; i < l; i += step) { + const a = index.getX(i); + const b = index.getX(i + 1); + const intersect2 = checkIntersection(this, raycaster, _ray$1, localThresholdSq, a, b, i); + if (intersect2) { + intersects2.push(intersect2); + } + } + if (this.isLineLoop) { + const a = index.getX(end - 1); + const b = index.getX(start); + const intersect2 = checkIntersection(this, raycaster, _ray$1, localThresholdSq, a, b, end - 1); + if (intersect2) { + intersects2.push(intersect2); + } + } + } else { + const start = Math.max(0, drawRange.start); + const end = Math.min(positionAttribute.count, drawRange.start + drawRange.count); + for (let i = start, l = end - 1; i < l; i += step) { + const intersect2 = checkIntersection(this, raycaster, _ray$1, localThresholdSq, i, i + 1, i); + if (intersect2) { + intersects2.push(intersect2); + } + } + if (this.isLineLoop) { + const intersect2 = checkIntersection(this, raycaster, _ray$1, localThresholdSq, end - 1, start, end - 1); + if (intersect2) { + intersects2.push(intersect2); + } + } + } + } + /** + * Sets the values of {@link Line#morphTargetDictionary} and {@link Line#morphTargetInfluences} + * to make sure existing morph targets can influence this 3D object. + */ + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys(morphAttributes); + if (keys.length > 0) { + const morphAttribute = morphAttributes[keys[0]]; + if (morphAttribute !== void 0) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for (let m = 0, ml = morphAttribute.length; m < ml; m++) { + const name = morphAttribute[m].name || String(m); + this.morphTargetInfluences.push(0); + this.morphTargetDictionary[name] = m; + } + } + } + } +}; +function checkIntersection(object, raycaster, ray, thresholdSq, a, b, i) { + const positionAttribute = object.geometry.attributes.position; + _vStart.fromBufferAttribute(positionAttribute, a); + _vEnd.fromBufferAttribute(positionAttribute, b); + const distSq = ray.distanceSqToSegment(_vStart, _vEnd, _intersectPointOnRay, _intersectPointOnSegment); + if (distSq > thresholdSq) return; + _intersectPointOnRay.applyMatrix4(object.matrixWorld); + const distance = raycaster.ray.origin.distanceTo(_intersectPointOnRay); + if (distance < raycaster.near || distance > raycaster.far) return; + return { + distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: _intersectPointOnSegment.clone().applyMatrix4(object.matrixWorld), + index: i, + face: null, + faceIndex: null, + barycoord: null, + object + }; +} +var _start = new Vector3(); +var _end = new Vector3(); +var LineSegments = class extends Line { + /** + * Constructs a new line segments. + * + * @param {BufferGeometry} [geometry] - The line geometry. + * @param {Material|Array} [material] - The line material. + */ + constructor(geometry, material) { + super(geometry, material); + this.isLineSegments = true; + this.type = "LineSegments"; + } + computeLineDistances() { + const geometry = this.geometry; + if (geometry.index === null) { + const positionAttribute = geometry.attributes.position; + const lineDistances = []; + for (let i = 0, l = positionAttribute.count; i < l; i += 2) { + _start.fromBufferAttribute(positionAttribute, i); + _end.fromBufferAttribute(positionAttribute, i + 1); + lineDistances[i] = i === 0 ? 0 : lineDistances[i - 1]; + lineDistances[i + 1] = lineDistances[i] + _start.distanceTo(_end); + } + geometry.setAttribute("lineDistance", new Float32BufferAttribute(lineDistances, 1)); + } else { + warn("LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry."); + } + return this; + } +}; +var LineLoop = class extends Line { + /** + * Constructs a new line loop. + * + * @param {BufferGeometry} [geometry] - The line geometry. + * @param {Material|Array} [material] - The line material. + */ + constructor(geometry, material) { + super(geometry, material); + this.isLineLoop = true; + this.type = "LineLoop"; + } +}; +var PointsMaterial = class extends Material { + /** + * Constructs a new points material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isPointsMaterial = true; + this.type = "PointsMaterial"; + this.color = new Color(16777215); + this.map = null; + this.alphaMap = null; + this.size = 1; + this.sizeAttenuation = true; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; + this.fog = source.fog; + return this; + } +}; +var _inverseMatrix = new Matrix4(); +var _ray = new Ray(); +var _sphere = new Sphere(); +var _position$2 = new Vector3(); +var Points = class extends Object3D { + /** + * Constructs a new point cloud. + * + * @param {BufferGeometry} [geometry] - The points geometry. + * @param {Material|Array} [material] - The points material. + */ + constructor(geometry = new BufferGeometry(), material = new PointsMaterial()) { + super(); + this.isPoints = true; + this.type = "Points"; + this.geometry = geometry; + this.material = material; + this.morphTargetDictionary = void 0; + this.morphTargetInfluences = void 0; + this.updateMorphTargets(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.material = Array.isArray(source.material) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + /** + * Computes intersection points between a casted ray and this point cloud. + * + * @param {Raycaster} raycaster - The raycaster. + * @param {Array} intersects - The target array that holds the intersection points. + */ + raycast(raycaster, intersects2) { + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Points.threshold; + const drawRange = geometry.drawRange; + if (geometry.boundingSphere === null) geometry.computeBoundingSphere(); + _sphere.copy(geometry.boundingSphere); + _sphere.applyMatrix4(matrixWorld); + _sphere.radius += threshold; + if (raycaster.ray.intersectsSphere(_sphere) === false) return; + _inverseMatrix.copy(matrixWorld).invert(); + _ray.copy(raycaster.ray).applyMatrix4(_inverseMatrix); + const localThreshold = threshold / ((this.scale.x + this.scale.y + this.scale.z) / 3); + const localThresholdSq = localThreshold * localThreshold; + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + if (index !== null) { + const start = Math.max(0, drawRange.start); + const end = Math.min(index.count, drawRange.start + drawRange.count); + for (let i = start, il = end; i < il; i++) { + const a = index.getX(i); + _position$2.fromBufferAttribute(positionAttribute, a); + testPoint(_position$2, a, localThresholdSq, matrixWorld, raycaster, intersects2, this); + } + } else { + const start = Math.max(0, drawRange.start); + const end = Math.min(positionAttribute.count, drawRange.start + drawRange.count); + for (let i = start, l = end; i < l; i++) { + _position$2.fromBufferAttribute(positionAttribute, i); + testPoint(_position$2, i, localThresholdSq, matrixWorld, raycaster, intersects2, this); + } + } + } + /** + * Sets the values of {@link Points#morphTargetDictionary} and {@link Points#morphTargetInfluences} + * to make sure existing morph targets can influence this 3D object. + */ + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys(morphAttributes); + if (keys.length > 0) { + const morphAttribute = morphAttributes[keys[0]]; + if (morphAttribute !== void 0) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for (let m = 0, ml = morphAttribute.length; m < ml; m++) { + const name = morphAttribute[m].name || String(m); + this.morphTargetInfluences.push(0); + this.morphTargetDictionary[name] = m; + } + } + } + } +}; +function testPoint(point, index, localThresholdSq, matrixWorld, raycaster, intersects2, object) { + const rayPointDistanceSq = _ray.distanceSqToPoint(point); + if (rayPointDistanceSq < localThresholdSq) { + const intersectPoint = new Vector3(); + _ray.closestPointToPoint(point, intersectPoint); + intersectPoint.applyMatrix4(matrixWorld); + const distance = raycaster.ray.origin.distanceTo(intersectPoint); + if (distance < raycaster.near || distance > raycaster.far) return; + intersects2.push({ + distance, + distanceToRay: Math.sqrt(rayPointDistanceSq), + point: intersectPoint, + index, + face: null, + faceIndex: null, + barycoord: null, + object + }); + } +} +var VideoTexture = class extends Texture { + /** + * Constructs a new video texture. + * + * @param {HTMLVideoElement} video - The video element to use as a data source for the texture. + * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping. + * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value. + * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value. + * @param {number} [magFilter=LinearFilter] - The mag filter value. + * @param {number} [minFilter=LinearFilter] - The min filter value. + * @param {number} [format=RGBAFormat] - The texture format. + * @param {number} [type=UnsignedByteType] - The texture type. + * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value. + */ + constructor(video, mapping, wrapS, wrapT, magFilter = LinearFilter, minFilter = LinearFilter, format, type, anisotropy) { + super(video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy); + this.isVideoTexture = true; + this.generateMipmaps = false; + this._requestVideoFrameCallbackId = 0; + const scope = this; + function updateVideo() { + scope.needsUpdate = true; + scope._requestVideoFrameCallbackId = video.requestVideoFrameCallback(updateVideo); + } + if ("requestVideoFrameCallback" in video) { + this._requestVideoFrameCallbackId = video.requestVideoFrameCallback(updateVideo); + } + } + clone() { + return new this.constructor(this.image).copy(this); + } + /** + * This method is called automatically by the renderer and sets {@link Texture#needsUpdate} + * to `true` every time a new frame is available. + * + * Only relevant if `requestVideoFrameCallback` is not supported in the browser. + */ + update() { + const video = this.image; + const hasVideoFrameCallback = "requestVideoFrameCallback" in video; + if (hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA) { + this.needsUpdate = true; + } + } + dispose() { + if (this._requestVideoFrameCallbackId !== 0) { + this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId); + this._requestVideoFrameCallbackId = 0; + } + super.dispose(); + } +}; +var VideoFrameTexture = class extends VideoTexture { + /** + * Constructs a new video frame texture. + * + * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping. + * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value. + * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value. + * @param {number} [magFilter=LinearFilter] - The mag filter value. + * @param {number} [minFilter=LinearFilter] - The min filter value. + * @param {number} [format=RGBAFormat] - The texture format. + * @param {number} [type=UnsignedByteType] - The texture type. + * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value. + */ + constructor(mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy) { + super({}, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy); + this.isVideoFrameTexture = true; + } + /** + * This method overwritten with an empty implementation since + * this type of texture is updated via `setFrame()`. + */ + update() { + } + clone() { + return new this.constructor().copy(this); + } + /** + * Sets the current frame of the video. This will automatically update the texture + * so the data can be used for rendering. + * + * @param {VideoFrame} frame - The video frame. + */ + setFrame(frame) { + this.image = frame; + this.needsUpdate = true; + } +}; +var FramebufferTexture = class extends Texture { + /** + * Constructs a new framebuffer texture. + * + * @param {number} [width] - The width of the texture. + * @param {number} [height] - The height of the texture. + */ + constructor(width, height) { + super({ width, height }); + this.isFramebufferTexture = true; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.generateMipmaps = false; + this.needsUpdate = true; + } +}; +var CompressedTexture = class extends Texture { + /** + * Constructs a new compressed texture. + * + * @param {Array} mipmaps - This array holds for all mipmaps (including the bases mip) + * the data and dimensions. + * @param {number} width - The width of the texture. + * @param {number} height - The height of the texture. + * @param {number} [format=RGBAFormat] - The texture format. + * @param {number} [type=UnsignedByteType] - The texture type. + * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping. + * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value. + * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value. + * @param {number} [magFilter=LinearFilter] - The mag filter value. + * @param {number} [minFilter=LinearMipmapLinearFilter] - The min filter value. + * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value. + * @param {string} [colorSpace=NoColorSpace] - The color space. + */ + constructor(mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, colorSpace) { + super(null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace); + this.isCompressedTexture = true; + this.image = { width, height }; + this.mipmaps = mipmaps; + this.flipY = false; + this.generateMipmaps = false; + } +}; +var CompressedArrayTexture = class extends CompressedTexture { + /** + * Constructs a new compressed array texture. + * + * @param {Array} mipmaps - This array holds for all mipmaps (including the bases mip) + * the data and dimensions. + * @param {number} width - The width of the texture. + * @param {number} height - The height of the texture. + * @param {number} depth - The depth of the texture. + * @param {number} [format=RGBAFormat] - The min filter value. + * @param {number} [type=UnsignedByteType] - The min filter value. + */ + constructor(mipmaps, width, height, depth, format, type) { + super(mipmaps, width, height, format, type); + this.isCompressedArrayTexture = true; + this.image.depth = depth; + this.wrapR = ClampToEdgeWrapping; + this.layerUpdates = /* @__PURE__ */ new Set(); + } + /** + * Describes that a specific layer of the texture needs to be updated. + * Normally when {@link Texture#needsUpdate} is set to `true`, the + * entire compressed texture array is sent to the GPU. Marking specific + * layers will only transmit subsets of all mipmaps associated with a + * specific depth in the array which is often much more performant. + * + * @param {number} layerIndex - The layer index that should be updated. + */ + addLayerUpdate(layerIndex) { + this.layerUpdates.add(layerIndex); + } + /** + * Resets the layer updates registry. + */ + clearLayerUpdates() { + this.layerUpdates.clear(); + } +}; +var CompressedCubeTexture = class extends CompressedTexture { + /** + * Constructs a new compressed texture. + * + * @param {Array} images - An array of compressed textures. + * @param {number} [format=RGBAFormat] - The texture format. + * @param {number} [type=UnsignedByteType] - The texture type. + */ + constructor(images, format, type) { + super(void 0, images[0].width, images[0].height, format, type, CubeReflectionMapping); + this.isCompressedCubeTexture = true; + this.isCubeTexture = true; + this.image = images; + } +}; +var CanvasTexture = class extends Texture { + /** + * Constructs a new texture. + * + * @param {HTMLCanvasElement} [canvas] - The HTML canvas element. + * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping. + * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value. + * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value. + * @param {number} [magFilter=LinearFilter] - The mag filter value. + * @param {number} [minFilter=LinearMipmapLinearFilter] - The min filter value. + * @param {number} [format=RGBAFormat] - The texture format. + * @param {number} [type=UnsignedByteType] - The texture type. + * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value. + */ + constructor(canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy) { + super(canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy); + this.isCanvasTexture = true; + this.needsUpdate = true; + } +}; +var DepthTexture = class extends Texture { + /** + * Constructs a new depth texture. + * + * @param {number} width - The width of the texture. + * @param {number} height - The height of the texture. + * @param {number} [type=UnsignedIntType] - The texture type. + * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping. + * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value. + * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value. + * @param {number} [magFilter=LinearFilter] - The mag filter value. + * @param {number} [minFilter=LinearFilter] - The min filter value. + * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value. + * @param {number} [format=DepthFormat] - The texture format. + * @param {number} [depth=1] - The depth of the texture. + */ + constructor(width, height, type = UnsignedIntType, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, format = DepthFormat, depth = 1) { + if (format !== DepthFormat && format !== DepthStencilFormat) { + throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat"); + } + const image = { width, height, depth }; + super(image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy); + this.isDepthTexture = true; + this.flipY = false; + this.generateMipmaps = false; + this.compareFunction = null; + } + copy(source) { + super.copy(source); + this.source = new Source(Object.assign({}, source.image)); + this.compareFunction = source.compareFunction; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + if (this.compareFunction !== null) data.compareFunction = this.compareFunction; + return data; + } +}; +var ExternalTexture = class extends Texture { + /** + * Creates a new raw texture. + * + * @param {?(WebGLTexture|GPUTexture)} [sourceTexture=null] - The external texture. + */ + constructor(sourceTexture = null) { + super(); + this.sourceTexture = sourceTexture; + this.isExternalTexture = true; + } + copy(source) { + super.copy(source); + this.sourceTexture = source.sourceTexture; + return this; + } +}; +var CapsuleGeometry = class _CapsuleGeometry extends BufferGeometry { + /** + * Constructs a new capsule geometry. + * + * @param {number} [radius=1] - Radius of the capsule. + * @param {number} [height=1] - Height of the middle section. + * @param {number} [capSegments=4] - Number of curve segments used to build each cap. + * @param {number} [radialSegments=8] - Number of segmented faces around the circumference of the capsule. Must be an integer >= 3. + * @param {number} [heightSegments=1] - Number of rows of faces along the height of the middle section. Must be an integer >= 1. + */ + constructor(radius = 1, height = 1, capSegments = 4, radialSegments = 8, heightSegments = 1) { + super(); + this.type = "CapsuleGeometry"; + this.parameters = { + radius, + height, + capSegments, + radialSegments, + heightSegments + }; + height = Math.max(0, height); + capSegments = Math.max(1, Math.floor(capSegments)); + radialSegments = Math.max(3, Math.floor(radialSegments)); + heightSegments = Math.max(1, Math.floor(heightSegments)); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const halfHeight = height / 2; + const capArcLength = Math.PI / 2 * radius; + const cylinderPartLength = height; + const totalArcLength = 2 * capArcLength + cylinderPartLength; + const numVerticalSegments = capSegments * 2 + heightSegments; + const verticesPerRow = radialSegments + 1; + const normal = new Vector3(); + const vertex2 = new Vector3(); + for (let iy = 0; iy <= numVerticalSegments; iy++) { + let currentArcLength = 0; + let profileY = 0; + let profileRadius = 0; + let normalYComponent = 0; + if (iy <= capSegments) { + const segmentProgress = iy / capSegments; + const angle = segmentProgress * Math.PI / 2; + profileY = -halfHeight - radius * Math.cos(angle); + profileRadius = radius * Math.sin(angle); + normalYComponent = -radius * Math.cos(angle); + currentArcLength = segmentProgress * capArcLength; + } else if (iy <= capSegments + heightSegments) { + const segmentProgress = (iy - capSegments) / heightSegments; + profileY = -halfHeight + segmentProgress * height; + profileRadius = radius; + normalYComponent = 0; + currentArcLength = capArcLength + segmentProgress * cylinderPartLength; + } else { + const segmentProgress = (iy - capSegments - heightSegments) / capSegments; + const angle = segmentProgress * Math.PI / 2; + profileY = halfHeight + radius * Math.sin(angle); + profileRadius = radius * Math.cos(angle); + normalYComponent = radius * Math.sin(angle); + currentArcLength = capArcLength + cylinderPartLength + segmentProgress * capArcLength; + } + const v = Math.max(0, Math.min(1, currentArcLength / totalArcLength)); + let uOffset = 0; + if (iy === 0) { + uOffset = 0.5 / radialSegments; + } else if (iy === numVerticalSegments) { + uOffset = -0.5 / radialSegments; + } + for (let ix = 0; ix <= radialSegments; ix++) { + const u = ix / radialSegments; + const theta = u * Math.PI * 2; + const sinTheta = Math.sin(theta); + const cosTheta = Math.cos(theta); + vertex2.x = -profileRadius * cosTheta; + vertex2.y = profileY; + vertex2.z = profileRadius * sinTheta; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normal.set( + -profileRadius * cosTheta, + normalYComponent, + profileRadius * sinTheta + ); + normal.normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(u + uOffset, v); + } + if (iy > 0) { + const prevIndexRow = (iy - 1) * verticesPerRow; + for (let ix = 0; ix < radialSegments; ix++) { + const i1 = prevIndexRow + ix; + const i2 = prevIndexRow + ix + 1; + const i3 = iy * verticesPerRow + ix; + const i4 = iy * verticesPerRow + ix + 1; + indices.push(i1, i2, i3); + indices.push(i2, i4, i3); + } + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {CapsuleGeometry} A new instance. + */ + static fromJSON(data) { + return new _CapsuleGeometry(data.radius, data.height, data.capSegments, data.radialSegments, data.heightSegments); + } +}; +var CircleGeometry = class _CircleGeometry extends BufferGeometry { + /** + * Constructs a new circle geometry. + * + * @param {number} [radius=1] - Radius of the circle. + * @param {number} [segments=32] - Number of segments (triangles), minimum = `3`. + * @param {number} [thetaStart=0] - Start angle for first segment in radians. + * @param {number} [thetaLength=Math.PI*2] - The central angle, often called theta, + * of the circular sector in radians. The default value results in a complete circle. + */ + constructor(radius = 1, segments = 32, thetaStart = 0, thetaLength = Math.PI * 2) { + super(); + this.type = "CircleGeometry"; + this.parameters = { + radius, + segments, + thetaStart, + thetaLength + }; + segments = Math.max(3, segments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const vertex2 = new Vector3(); + const uv = new Vector2(); + vertices.push(0, 0, 0); + normals.push(0, 0, 1); + uvs.push(0.5, 0.5); + for (let s = 0, i = 3; s <= segments; s++, i += 3) { + const segment = thetaStart + s / segments * thetaLength; + vertex2.x = radius * Math.cos(segment); + vertex2.y = radius * Math.sin(segment); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normals.push(0, 0, 1); + uv.x = (vertices[i] / radius + 1) / 2; + uv.y = (vertices[i + 1] / radius + 1) / 2; + uvs.push(uv.x, uv.y); + } + for (let i = 1; i <= segments; i++) { + indices.push(i, i + 1, 0); + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {CircleGeometry} A new instance. + */ + static fromJSON(data) { + return new _CircleGeometry(data.radius, data.segments, data.thetaStart, data.thetaLength); + } +}; +var CylinderGeometry = class _CylinderGeometry extends BufferGeometry { + /** + * Constructs a new cylinder geometry. + * + * @param {number} [radiusTop=1] - Radius of the cylinder at the top. + * @param {number} [radiusBottom=1] - Radius of the cylinder at the bottom. + * @param {number} [height=1] - Height of the cylinder. + * @param {number} [radialSegments=32] - Number of segmented faces around the circumference of the cylinder. + * @param {number} [heightSegments=1] - Number of rows of faces along the height of the cylinder. + * @param {boolean} [openEnded=false] - Whether the base of the cylinder is open or capped. + * @param {number} [thetaStart=0] - Start angle for first segment, in radians. + * @param {number} [thetaLength=Math.PI*2] - The central angle, often called theta, of the circular sector, in radians. + * The default value results in a complete cylinder. + */ + constructor(radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2) { + super(); + this.type = "CylinderGeometry"; + this.parameters = { + radiusTop, + radiusBottom, + height, + radialSegments, + heightSegments, + openEnded, + thetaStart, + thetaLength + }; + const scope = this; + radialSegments = Math.floor(radialSegments); + heightSegments = Math.floor(heightSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let index = 0; + const indexArray = []; + const halfHeight = height / 2; + let groupStart = 0; + generateTorso(); + if (openEnded === false) { + if (radiusTop > 0) generateCap(true); + if (radiusBottom > 0) generateCap(false); + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function generateTorso() { + const normal = new Vector3(); + const vertex2 = new Vector3(); + let groupCount = 0; + const slope = (radiusBottom - radiusTop) / height; + for (let y = 0; y <= heightSegments; y++) { + const indexRow = []; + const v = y / heightSegments; + const radius = v * (radiusBottom - radiusTop) + radiusTop; + for (let x = 0; x <= radialSegments; x++) { + const u = x / radialSegments; + const theta = u * thetaLength + thetaStart; + const sinTheta = Math.sin(theta); + const cosTheta = Math.cos(theta); + vertex2.x = radius * sinTheta; + vertex2.y = -v * height + halfHeight; + vertex2.z = radius * cosTheta; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normal.set(sinTheta, slope, cosTheta).normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(u, 1 - v); + indexRow.push(index++); + } + indexArray.push(indexRow); + } + for (let x = 0; x < radialSegments; x++) { + for (let y = 0; y < heightSegments; y++) { + const a = indexArray[y][x]; + const b = indexArray[y + 1][x]; + const c = indexArray[y + 1][x + 1]; + const d = indexArray[y][x + 1]; + if (radiusTop > 0 || y !== 0) { + indices.push(a, b, d); + groupCount += 3; + } + if (radiusBottom > 0 || y !== heightSegments - 1) { + indices.push(b, c, d); + groupCount += 3; + } + } + } + scope.addGroup(groupStart, groupCount, 0); + groupStart += groupCount; + } + function generateCap(top) { + const centerIndexStart = index; + const uv = new Vector2(); + const vertex2 = new Vector3(); + let groupCount = 0; + const radius = top === true ? radiusTop : radiusBottom; + const sign2 = top === true ? 1 : -1; + for (let x = 1; x <= radialSegments; x++) { + vertices.push(0, halfHeight * sign2, 0); + normals.push(0, sign2, 0); + uvs.push(0.5, 0.5); + index++; + } + const centerIndexEnd = index; + for (let x = 0; x <= radialSegments; x++) { + const u = x / radialSegments; + const theta = u * thetaLength + thetaStart; + const cosTheta = Math.cos(theta); + const sinTheta = Math.sin(theta); + vertex2.x = radius * sinTheta; + vertex2.y = halfHeight * sign2; + vertex2.z = radius * cosTheta; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normals.push(0, sign2, 0); + uv.x = cosTheta * 0.5 + 0.5; + uv.y = sinTheta * 0.5 * sign2 + 0.5; + uvs.push(uv.x, uv.y); + index++; + } + for (let x = 0; x < radialSegments; x++) { + const c = centerIndexStart + x; + const i = centerIndexEnd + x; + if (top === true) { + indices.push(i, i + 1, c); + } else { + indices.push(i + 1, i, c); + } + groupCount += 3; + } + scope.addGroup(groupStart, groupCount, top === true ? 1 : 2); + groupStart += groupCount; + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {CylinderGeometry} A new instance. + */ + static fromJSON(data) { + return new _CylinderGeometry(data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength); + } +}; +var ConeGeometry = class _ConeGeometry extends CylinderGeometry { + /** + * Constructs a new cone geometry. + * + * @param {number} [radius=1] - Radius of the cone base. + * @param {number} [height=1] - Height of the cone. + * @param {number} [radialSegments=32] - Number of segmented faces around the circumference of the cone. + * @param {number} [heightSegments=1] - Number of rows of faces along the height of the cone. + * @param {boolean} [openEnded=false] - Whether the base of the cone is open or capped. + * @param {number} [thetaStart=0] - Start angle for first segment, in radians. + * @param {number} [thetaLength=Math.PI*2] - The central angle, often called theta, of the circular sector, in radians. + * The default value results in a complete cone. + */ + constructor(radius = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2) { + super(0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength); + this.type = "ConeGeometry"; + this.parameters = { + radius, + height, + radialSegments, + heightSegments, + openEnded, + thetaStart, + thetaLength + }; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {ConeGeometry} A new instance. + */ + static fromJSON(data) { + return new _ConeGeometry(data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength); + } +}; +var PolyhedronGeometry = class _PolyhedronGeometry extends BufferGeometry { + /** + * Constructs a new polyhedron geometry. + * + * @param {Array} [vertices] - A flat array of vertices describing the base shape. + * @param {Array} [indices] - A flat array of indices describing the base shape. + * @param {number} [radius=1] - The radius of the shape. + * @param {number} [detail=0] - How many levels to subdivide the geometry. The more detail, the smoother the shape. + */ + constructor(vertices = [], indices = [], radius = 1, detail = 0) { + super(); + this.type = "PolyhedronGeometry"; + this.parameters = { + vertices, + indices, + radius, + detail + }; + const vertexBuffer = []; + const uvBuffer = []; + subdivide(detail); + applyRadius(radius); + generateUVs(); + this.setAttribute("position", new Float32BufferAttribute(vertexBuffer, 3)); + this.setAttribute("normal", new Float32BufferAttribute(vertexBuffer.slice(), 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvBuffer, 2)); + if (detail === 0) { + this.computeVertexNormals(); + } else { + this.normalizeNormals(); + } + function subdivide(detail2) { + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + for (let i = 0; i < indices.length; i += 3) { + getVertexByIndex(indices[i + 0], a); + getVertexByIndex(indices[i + 1], b); + getVertexByIndex(indices[i + 2], c); + subdivideFace(a, b, c, detail2); + } + } + function subdivideFace(a, b, c, detail2) { + const cols = detail2 + 1; + const v = []; + for (let i = 0; i <= cols; i++) { + v[i] = []; + const aj = a.clone().lerp(c, i / cols); + const bj = b.clone().lerp(c, i / cols); + const rows = cols - i; + for (let j = 0; j <= rows; j++) { + if (j === 0 && i === cols) { + v[i][j] = aj; + } else { + v[i][j] = aj.clone().lerp(bj, j / rows); + } + } + } + for (let i = 0; i < cols; i++) { + for (let j = 0; j < 2 * (cols - i) - 1; j++) { + const k = Math.floor(j / 2); + if (j % 2 === 0) { + pushVertex(v[i][k + 1]); + pushVertex(v[i + 1][k]); + pushVertex(v[i][k]); + } else { + pushVertex(v[i][k + 1]); + pushVertex(v[i + 1][k + 1]); + pushVertex(v[i + 1][k]); + } + } + } + } + function applyRadius(radius2) { + const vertex2 = new Vector3(); + for (let i = 0; i < vertexBuffer.length; i += 3) { + vertex2.x = vertexBuffer[i + 0]; + vertex2.y = vertexBuffer[i + 1]; + vertex2.z = vertexBuffer[i + 2]; + vertex2.normalize().multiplyScalar(radius2); + vertexBuffer[i + 0] = vertex2.x; + vertexBuffer[i + 1] = vertex2.y; + vertexBuffer[i + 2] = vertex2.z; + } + } + function generateUVs() { + const vertex2 = new Vector3(); + for (let i = 0; i < vertexBuffer.length; i += 3) { + vertex2.x = vertexBuffer[i + 0]; + vertex2.y = vertexBuffer[i + 1]; + vertex2.z = vertexBuffer[i + 2]; + const u = azimuth(vertex2) / 2 / Math.PI + 0.5; + const v = inclination(vertex2) / Math.PI + 0.5; + uvBuffer.push(u, 1 - v); + } + correctUVs(); + correctSeam(); + } + function correctSeam() { + for (let i = 0; i < uvBuffer.length; i += 6) { + const x0 = uvBuffer[i + 0]; + const x1 = uvBuffer[i + 2]; + const x2 = uvBuffer[i + 4]; + const max = Math.max(x0, x1, x2); + const min = Math.min(x0, x1, x2); + if (max > 0.9 && min < 0.1) { + if (x0 < 0.2) uvBuffer[i + 0] += 1; + if (x1 < 0.2) uvBuffer[i + 2] += 1; + if (x2 < 0.2) uvBuffer[i + 4] += 1; + } + } + } + function pushVertex(vertex2) { + vertexBuffer.push(vertex2.x, vertex2.y, vertex2.z); + } + function getVertexByIndex(index, vertex2) { + const stride = index * 3; + vertex2.x = vertices[stride + 0]; + vertex2.y = vertices[stride + 1]; + vertex2.z = vertices[stride + 2]; + } + function correctUVs() { + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + const centroid = new Vector3(); + const uvA = new Vector2(); + const uvB = new Vector2(); + const uvC = new Vector2(); + for (let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6) { + a.set(vertexBuffer[i + 0], vertexBuffer[i + 1], vertexBuffer[i + 2]); + b.set(vertexBuffer[i + 3], vertexBuffer[i + 4], vertexBuffer[i + 5]); + c.set(vertexBuffer[i + 6], vertexBuffer[i + 7], vertexBuffer[i + 8]); + uvA.set(uvBuffer[j + 0], uvBuffer[j + 1]); + uvB.set(uvBuffer[j + 2], uvBuffer[j + 3]); + uvC.set(uvBuffer[j + 4], uvBuffer[j + 5]); + centroid.copy(a).add(b).add(c).divideScalar(3); + const azi = azimuth(centroid); + correctUV(uvA, j + 0, a, azi); + correctUV(uvB, j + 2, b, azi); + correctUV(uvC, j + 4, c, azi); + } + } + function correctUV(uv, stride, vector, azimuth2) { + if (azimuth2 < 0 && uv.x === 1) { + uvBuffer[stride] = uv.x - 1; + } + if (vector.x === 0 && vector.z === 0) { + uvBuffer[stride] = azimuth2 / 2 / Math.PI + 0.5; + } + } + function azimuth(vector) { + return Math.atan2(vector.z, -vector.x); + } + function inclination(vector) { + return Math.atan2(-vector.y, Math.sqrt(vector.x * vector.x + vector.z * vector.z)); + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {PolyhedronGeometry} A new instance. + */ + static fromJSON(data) { + return new _PolyhedronGeometry(data.vertices, data.indices, data.radius, data.details); + } +}; +var DodecahedronGeometry = class _DodecahedronGeometry extends PolyhedronGeometry { + /** + * Constructs a new dodecahedron geometry. + * + * @param {number} [radius=1] - Radius of the dodecahedron. + * @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a dodecahedron. + */ + constructor(radius = 1, detail = 0) { + const t = (1 + Math.sqrt(5)) / 2; + const r = 1 / t; + const vertices = [ + // (±1, ±1, ±1) + -1, + -1, + -1, + -1, + -1, + 1, + -1, + 1, + -1, + -1, + 1, + 1, + 1, + -1, + -1, + 1, + -1, + 1, + 1, + 1, + -1, + 1, + 1, + 1, + // (0, ±1/φ, ±φ) + 0, + -r, + -t, + 0, + -r, + t, + 0, + r, + -t, + 0, + r, + t, + // (±1/φ, ±φ, 0) + -r, + -t, + 0, + -r, + t, + 0, + r, + -t, + 0, + r, + t, + 0, + // (±φ, 0, ±1/φ) + -t, + 0, + -r, + t, + 0, + -r, + -t, + 0, + r, + t, + 0, + r + ]; + const indices = [ + 3, + 11, + 7, + 3, + 7, + 15, + 3, + 15, + 13, + 7, + 19, + 17, + 7, + 17, + 6, + 7, + 6, + 15, + 17, + 4, + 8, + 17, + 8, + 10, + 17, + 10, + 6, + 8, + 0, + 16, + 8, + 16, + 2, + 8, + 2, + 10, + 0, + 12, + 1, + 0, + 1, + 18, + 0, + 18, + 16, + 6, + 10, + 2, + 6, + 2, + 13, + 6, + 13, + 15, + 2, + 16, + 18, + 2, + 18, + 3, + 2, + 3, + 13, + 18, + 1, + 9, + 18, + 9, + 11, + 18, + 11, + 3, + 4, + 14, + 12, + 4, + 12, + 0, + 4, + 0, + 8, + 11, + 9, + 5, + 11, + 5, + 19, + 11, + 19, + 7, + 19, + 5, + 14, + 19, + 14, + 4, + 19, + 4, + 17, + 1, + 12, + 14, + 1, + 14, + 5, + 1, + 5, + 9 + ]; + super(vertices, indices, radius, detail); + this.type = "DodecahedronGeometry"; + this.parameters = { + radius, + detail + }; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {DodecahedronGeometry} A new instance. + */ + static fromJSON(data) { + return new _DodecahedronGeometry(data.radius, data.detail); + } +}; +var _v0 = new Vector3(); +var _v1$1 = new Vector3(); +var _normal = new Vector3(); +var _triangle = new Triangle(); +var EdgesGeometry = class extends BufferGeometry { + /** + * Constructs a new edges geometry. + * + * @param {?BufferGeometry} [geometry=null] - The geometry. + * @param {number} [thresholdAngle=1] - An edge is only rendered if the angle (in degrees) + * between the face normals of the adjoining faces exceeds this value. + */ + constructor(geometry = null, thresholdAngle = 1) { + super(); + this.type = "EdgesGeometry"; + this.parameters = { + geometry, + thresholdAngle + }; + if (geometry !== null) { + const precisionPoints = 4; + const precision = Math.pow(10, precisionPoints); + const thresholdDot = Math.cos(DEG2RAD * thresholdAngle); + const indexAttr = geometry.getIndex(); + const positionAttr = geometry.getAttribute("position"); + const indexCount = indexAttr ? indexAttr.count : positionAttr.count; + const indexArr = [0, 0, 0]; + const vertKeys = ["a", "b", "c"]; + const hashes = new Array(3); + const edgeData = {}; + const vertices = []; + for (let i = 0; i < indexCount; i += 3) { + if (indexAttr) { + indexArr[0] = indexAttr.getX(i); + indexArr[1] = indexAttr.getX(i + 1); + indexArr[2] = indexAttr.getX(i + 2); + } else { + indexArr[0] = i; + indexArr[1] = i + 1; + indexArr[2] = i + 2; + } + const { a, b, c } = _triangle; + a.fromBufferAttribute(positionAttr, indexArr[0]); + b.fromBufferAttribute(positionAttr, indexArr[1]); + c.fromBufferAttribute(positionAttr, indexArr[2]); + _triangle.getNormal(_normal); + hashes[0] = `${Math.round(a.x * precision)},${Math.round(a.y * precision)},${Math.round(a.z * precision)}`; + hashes[1] = `${Math.round(b.x * precision)},${Math.round(b.y * precision)},${Math.round(b.z * precision)}`; + hashes[2] = `${Math.round(c.x * precision)},${Math.round(c.y * precision)},${Math.round(c.z * precision)}`; + if (hashes[0] === hashes[1] || hashes[1] === hashes[2] || hashes[2] === hashes[0]) { + continue; + } + for (let j = 0; j < 3; j++) { + const jNext = (j + 1) % 3; + const vecHash0 = hashes[j]; + const vecHash1 = hashes[jNext]; + const v0 = _triangle[vertKeys[j]]; + const v1 = _triangle[vertKeys[jNext]]; + const hash = `${vecHash0}_${vecHash1}`; + const reverseHash = `${vecHash1}_${vecHash0}`; + if (reverseHash in edgeData && edgeData[reverseHash]) { + if (_normal.dot(edgeData[reverseHash].normal) <= thresholdDot) { + vertices.push(v0.x, v0.y, v0.z); + vertices.push(v1.x, v1.y, v1.z); + } + edgeData[reverseHash] = null; + } else if (!(hash in edgeData)) { + edgeData[hash] = { + index0: indexArr[j], + index1: indexArr[jNext], + normal: _normal.clone() + }; + } + } + } + for (const key in edgeData) { + if (edgeData[key]) { + const { index0, index1 } = edgeData[key]; + _v0.fromBufferAttribute(positionAttr, index0); + _v1$1.fromBufferAttribute(positionAttr, index1); + vertices.push(_v0.x, _v0.y, _v0.z); + vertices.push(_v1$1.x, _v1$1.y, _v1$1.z); + } + } + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } +}; +var Curve = class { + /** + * Constructs a new curve. + */ + constructor() { + this.type = "Curve"; + this.arcLengthDivisions = 200; + this.needsUpdate = false; + this.cacheArcLengths = null; + } + /** + * This method returns a vector in 2D or 3D space (depending on the curve definition) + * for the given interpolation factor. + * + * @abstract + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to. + * @return {(Vector2|Vector3)} The position on the curve. It can be a 2D or 3D vector depending on the curve definition. + */ + getPoint() { + warn("Curve: .getPoint() not implemented."); + } + /** + * This method returns a vector in 2D or 3D space (depending on the curve definition) + * for the given interpolation factor. Unlike {@link Curve#getPoint}, this method honors the length + * of the curve which equidistant samples. + * + * @param {number} u - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to. + * @return {(Vector2|Vector3)} The position on the curve. It can be a 2D or 3D vector depending on the curve definition. + */ + getPointAt(u, optionalTarget) { + const t = this.getUtoTmapping(u); + return this.getPoint(t, optionalTarget); + } + /** + * This method samples the curve via {@link Curve#getPoint} and returns an array of points representing + * the curve shape. + * + * @param {number} [divisions=5] - The number of divisions. + * @return {Array<(Vector2|Vector3)>} An array holding the sampled curve values. The number of points is `divisions + 1`. + */ + getPoints(divisions = 5) { + const points = []; + for (let d = 0; d <= divisions; d++) { + points.push(this.getPoint(d / divisions)); + } + return points; + } + // Get sequence of points using getPointAt( u ) + /** + * This method samples the curve via {@link Curve#getPointAt} and returns an array of points representing + * the curve shape. Unlike {@link Curve#getPoints}, this method returns equi-spaced points across the entire + * curve. + * + * @param {number} [divisions=5] - The number of divisions. + * @return {Array<(Vector2|Vector3)>} An array holding the sampled curve values. The number of points is `divisions + 1`. + */ + getSpacedPoints(divisions = 5) { + const points = []; + for (let d = 0; d <= divisions; d++) { + points.push(this.getPointAt(d / divisions)); + } + return points; + } + /** + * Returns the total arc length of the curve. + * + * @return {number} The length of the curve. + */ + getLength() { + const lengths = this.getLengths(); + return lengths[lengths.length - 1]; + } + /** + * Returns an array of cumulative segment lengths of the curve. + * + * @param {number} [divisions=this.arcLengthDivisions] - The number of divisions. + * @return {Array} An array holding the cumulative segment lengths. + */ + getLengths(divisions = this.arcLengthDivisions) { + if (this.cacheArcLengths && this.cacheArcLengths.length === divisions + 1 && !this.needsUpdate) { + return this.cacheArcLengths; + } + this.needsUpdate = false; + const cache = []; + let current, last = this.getPoint(0); + let sum = 0; + cache.push(0); + for (let p = 1; p <= divisions; p++) { + current = this.getPoint(p / divisions); + sum += current.distanceTo(last); + cache.push(sum); + last = current; + } + this.cacheArcLengths = cache; + return cache; + } + /** + * Update the cumulative segment distance cache. The method must be called + * every time curve parameters are changed. If an updated curve is part of a + * composed curve like {@link CurvePath}, this method must be called on the + * composed curve, too. + */ + updateArcLengths() { + this.needsUpdate = true; + this.getLengths(); + } + /** + * Given an interpolation factor in the range `[0,1]`, this method returns an updated + * interpolation factor in the same range that can be ued to sample equidistant points + * from a curve. + * + * @param {number} u - The interpolation factor. + * @param {?number} distance - An optional distance on the curve. + * @return {number} The updated interpolation factor. + */ + getUtoTmapping(u, distance = null) { + const arcLengths = this.getLengths(); + let i = 0; + const il = arcLengths.length; + let targetArcLength; + if (distance) { + targetArcLength = distance; + } else { + targetArcLength = u * arcLengths[il - 1]; + } + let low = 0, high = il - 1, comparison; + while (low <= high) { + i = Math.floor(low + (high - low) / 2); + comparison = arcLengths[i] - targetArcLength; + if (comparison < 0) { + low = i + 1; + } else if (comparison > 0) { + high = i - 1; + } else { + high = i; + break; + } + } + i = high; + if (arcLengths[i] === targetArcLength) { + return i / (il - 1); + } + const lengthBefore = arcLengths[i]; + const lengthAfter = arcLengths[i + 1]; + const segmentLength = lengthAfter - lengthBefore; + const segmentFraction = (targetArcLength - lengthBefore) / segmentLength; + const t = (i + segmentFraction) / (il - 1); + return t; + } + /** + * Returns a unit vector tangent for the given interpolation factor. + * If the derived curve does not implement its tangent derivation, + * two points a small delta apart will be used to find its gradient + * which seems to give a reasonable approximation. + * + * @param {number} t - The interpolation factor. + * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to. + * @return {(Vector2|Vector3)} The tangent vector. + */ + getTangent(t, optionalTarget) { + const delta = 1e-4; + let t1 = t - delta; + let t2 = t + delta; + if (t1 < 0) t1 = 0; + if (t2 > 1) t2 = 1; + const pt1 = this.getPoint(t1); + const pt2 = this.getPoint(t2); + const tangent = optionalTarget || (pt1.isVector2 ? new Vector2() : new Vector3()); + tangent.copy(pt2).sub(pt1).normalize(); + return tangent; + } + /** + * Same as {@link Curve#getTangent} but with equidistant samples. + * + * @param {number} u - The interpolation factor. + * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to. + * @return {(Vector2|Vector3)} The tangent vector. + * @see {@link Curve#getPointAt} + */ + getTangentAt(u, optionalTarget) { + const t = this.getUtoTmapping(u); + return this.getTangent(t, optionalTarget); + } + /** + * Generates the Frenet Frames. Requires a curve definition in 3D space. Used + * in geometries like {@link TubeGeometry} or {@link ExtrudeGeometry}. + * + * @param {number} segments - The number of segments. + * @param {boolean} [closed=false] - Whether the curve is closed or not. + * @return {{tangents: Array, normals: Array, binormals: Array}} The Frenet Frames. + */ + computeFrenetFrames(segments, closed = false) { + const normal = new Vector3(); + const tangents = []; + const normals = []; + const binormals = []; + const vec = new Vector3(); + const mat = new Matrix4(); + for (let i = 0; i <= segments; i++) { + const u = i / segments; + tangents[i] = this.getTangentAt(u, new Vector3()); + } + normals[0] = new Vector3(); + binormals[0] = new Vector3(); + let min = Number.MAX_VALUE; + const tx = Math.abs(tangents[0].x); + const ty = Math.abs(tangents[0].y); + const tz = Math.abs(tangents[0].z); + if (tx <= min) { + min = tx; + normal.set(1, 0, 0); + } + if (ty <= min) { + min = ty; + normal.set(0, 1, 0); + } + if (tz <= min) { + normal.set(0, 0, 1); + } + vec.crossVectors(tangents[0], normal).normalize(); + normals[0].crossVectors(tangents[0], vec); + binormals[0].crossVectors(tangents[0], normals[0]); + for (let i = 1; i <= segments; i++) { + normals[i] = normals[i - 1].clone(); + binormals[i] = binormals[i - 1].clone(); + vec.crossVectors(tangents[i - 1], tangents[i]); + if (vec.length() > Number.EPSILON) { + vec.normalize(); + const theta = Math.acos(clamp(tangents[i - 1].dot(tangents[i]), -1, 1)); + normals[i].applyMatrix4(mat.makeRotationAxis(vec, theta)); + } + binormals[i].crossVectors(tangents[i], normals[i]); + } + if (closed === true) { + let theta = Math.acos(clamp(normals[0].dot(normals[segments]), -1, 1)); + theta /= segments; + if (tangents[0].dot(vec.crossVectors(normals[0], normals[segments])) > 0) { + theta = -theta; + } + for (let i = 1; i <= segments; i++) { + normals[i].applyMatrix4(mat.makeRotationAxis(tangents[i], theta * i)); + binormals[i].crossVectors(tangents[i], normals[i]); + } + } + return { + tangents, + normals, + binormals + }; + } + /** + * Returns a new curve with copied values from this instance. + * + * @return {Curve} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Copies the values of the given curve to this instance. + * + * @param {Curve} source - The curve to copy. + * @return {Curve} A reference to this curve. + */ + copy(source) { + this.arcLengthDivisions = source.arcLengthDivisions; + return this; + } + /** + * Serializes the curve into JSON. + * + * @return {Object} A JSON object representing the serialized curve. + * @see {@link ObjectLoader#parse} + */ + toJSON() { + const data = { + metadata: { + version: 4.7, + type: "Curve", + generator: "Curve.toJSON" + } + }; + data.arcLengthDivisions = this.arcLengthDivisions; + data.type = this.type; + return data; + } + /** + * Deserializes the curve from the given JSON. + * + * @param {Object} json - The JSON holding the serialized curve. + * @return {Curve} A reference to this curve. + */ + fromJSON(json) { + this.arcLengthDivisions = json.arcLengthDivisions; + return this; + } +}; +var EllipseCurve = class extends Curve { + /** + * Constructs a new ellipse curve. + * + * @param {number} [aX=0] - The X center of the ellipse. + * @param {number} [aY=0] - The Y center of the ellipse. + * @param {number} [xRadius=1] - The radius of the ellipse in the x direction. + * @param {number} [yRadius=1] - The radius of the ellipse in the y direction. + * @param {number} [aStartAngle=0] - The start angle of the curve in radians starting from the positive X axis. + * @param {number} [aEndAngle=Math.PI*2] - The end angle of the curve in radians starting from the positive X axis. + * @param {boolean} [aClockwise=false] - Whether the ellipse is drawn clockwise or not. + * @param {number} [aRotation=0] - The rotation angle of the ellipse in radians, counterclockwise from the positive X axis. + */ + constructor(aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0) { + super(); + this.isEllipseCurve = true; + this.type = "EllipseCurve"; + this.aX = aX; + this.aY = aY; + this.xRadius = xRadius; + this.yRadius = yRadius; + this.aStartAngle = aStartAngle; + this.aEndAngle = aEndAngle; + this.aClockwise = aClockwise; + this.aRotation = aRotation; + } + /** + * Returns a point on the curve. + * + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {Vector2} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector2} The position on the curve. + */ + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + const twoPi = Math.PI * 2; + let deltaAngle = this.aEndAngle - this.aStartAngle; + const samePoints = Math.abs(deltaAngle) < Number.EPSILON; + while (deltaAngle < 0) deltaAngle += twoPi; + while (deltaAngle > twoPi) deltaAngle -= twoPi; + if (deltaAngle < Number.EPSILON) { + if (samePoints) { + deltaAngle = 0; + } else { + deltaAngle = twoPi; + } + } + if (this.aClockwise === true && !samePoints) { + if (deltaAngle === twoPi) { + deltaAngle = -twoPi; + } else { + deltaAngle = deltaAngle - twoPi; + } + } + const angle = this.aStartAngle + t * deltaAngle; + let x = this.aX + this.xRadius * Math.cos(angle); + let y = this.aY + this.yRadius * Math.sin(angle); + if (this.aRotation !== 0) { + const cos = Math.cos(this.aRotation); + const sin = Math.sin(this.aRotation); + const tx = x - this.aX; + const ty = y - this.aY; + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; + } + return point.set(x, y); + } + copy(source) { + super.copy(source); + this.aX = source.aX; + this.aY = source.aY; + this.xRadius = source.xRadius; + this.yRadius = source.yRadius; + this.aStartAngle = source.aStartAngle; + this.aEndAngle = source.aEndAngle; + this.aClockwise = source.aClockwise; + this.aRotation = source.aRotation; + return this; + } + toJSON() { + const data = super.toJSON(); + data.aX = this.aX; + data.aY = this.aY; + data.xRadius = this.xRadius; + data.yRadius = this.yRadius; + data.aStartAngle = this.aStartAngle; + data.aEndAngle = this.aEndAngle; + data.aClockwise = this.aClockwise; + data.aRotation = this.aRotation; + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.aX = json.aX; + this.aY = json.aY; + this.xRadius = json.xRadius; + this.yRadius = json.yRadius; + this.aStartAngle = json.aStartAngle; + this.aEndAngle = json.aEndAngle; + this.aClockwise = json.aClockwise; + this.aRotation = json.aRotation; + return this; + } +}; +var ArcCurve = class extends EllipseCurve { + /** + * Constructs a new arc curve. + * + * @param {number} [aX=0] - The X center of the ellipse. + * @param {number} [aY=0] - The Y center of the ellipse. + * @param {number} [aRadius=1] - The radius of the ellipse in the x direction. + * @param {number} [aStartAngle=0] - The start angle of the curve in radians starting from the positive X axis. + * @param {number} [aEndAngle=Math.PI*2] - The end angle of the curve in radians starting from the positive X axis. + * @param {boolean} [aClockwise=false] - Whether the ellipse is drawn clockwise or not. + */ + constructor(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) { + super(aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise); + this.isArcCurve = true; + this.type = "ArcCurve"; + } +}; +function CubicPoly() { + let c0 = 0, c1 = 0, c2 = 0, c3 = 0; + function init(x0, x1, t0, t1) { + c0 = x0; + c1 = t0; + c2 = -3 * x0 + 3 * x1 - 2 * t0 - t1; + c3 = 2 * x0 - 2 * x1 + t0 + t1; + } + return { + initCatmullRom: function(x0, x1, x2, x3, tension) { + init(x1, x2, tension * (x2 - x0), tension * (x3 - x1)); + }, + initNonuniformCatmullRom: function(x0, x1, x2, x3, dt0, dt1, dt2) { + let t1 = (x1 - x0) / dt0 - (x2 - x0) / (dt0 + dt1) + (x2 - x1) / dt1; + let t2 = (x2 - x1) / dt1 - (x3 - x1) / (dt1 + dt2) + (x3 - x2) / dt2; + t1 *= dt1; + t2 *= dt1; + init(x1, x2, t1, t2); + }, + calc: function(t) { + const t2 = t * t; + const t3 = t2 * t; + return c0 + c1 * t + c2 * t2 + c3 * t3; + } + }; +} +var tmp = new Vector3(); +var px = new CubicPoly(); +var py = new CubicPoly(); +var pz = new CubicPoly(); +var CatmullRomCurve3 = class extends Curve { + /** + * Constructs a new Catmull-Rom curve. + * + * @param {Array} [points] - An array of 3D points defining the curve. + * @param {boolean} [closed=false] - Whether the curve is closed or not. + * @param {('centripetal'|'chordal'|'catmullrom')} [curveType='centripetal'] - The curve type. + * @param {number} [tension=0.5] - Tension of the curve. + */ + constructor(points = [], closed = false, curveType = "centripetal", tension = 0.5) { + super(); + this.isCatmullRomCurve3 = true; + this.type = "CatmullRomCurve3"; + this.points = points; + this.closed = closed; + this.curveType = curveType; + this.tension = tension; + } + /** + * Returns a point on the curve. + * + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {Vector3} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector3} The position on the curve. + */ + getPoint(t, optionalTarget = new Vector3()) { + const point = optionalTarget; + const points = this.points; + const l = points.length; + const p = (l - (this.closed ? 0 : 1)) * t; + let intPoint = Math.floor(p); + let weight = p - intPoint; + if (this.closed) { + intPoint += intPoint > 0 ? 0 : (Math.floor(Math.abs(intPoint) / l) + 1) * l; + } else if (weight === 0 && intPoint === l - 1) { + intPoint = l - 2; + weight = 1; + } + let p0, p3; + if (this.closed || intPoint > 0) { + p0 = points[(intPoint - 1) % l]; + } else { + tmp.subVectors(points[0], points[1]).add(points[0]); + p0 = tmp; + } + const p1 = points[intPoint % l]; + const p2 = points[(intPoint + 1) % l]; + if (this.closed || intPoint + 2 < l) { + p3 = points[(intPoint + 2) % l]; + } else { + tmp.subVectors(points[l - 1], points[l - 2]).add(points[l - 1]); + p3 = tmp; + } + if (this.curveType === "centripetal" || this.curveType === "chordal") { + const pow = this.curveType === "chordal" ? 0.5 : 0.25; + let dt0 = Math.pow(p0.distanceToSquared(p1), pow); + let dt1 = Math.pow(p1.distanceToSquared(p2), pow); + let dt2 = Math.pow(p2.distanceToSquared(p3), pow); + if (dt1 < 1e-4) dt1 = 1; + if (dt0 < 1e-4) dt0 = dt1; + if (dt2 < 1e-4) dt2 = dt1; + px.initNonuniformCatmullRom(p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2); + py.initNonuniformCatmullRom(p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2); + pz.initNonuniformCatmullRom(p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2); + } else if (this.curveType === "catmullrom") { + px.initCatmullRom(p0.x, p1.x, p2.x, p3.x, this.tension); + py.initCatmullRom(p0.y, p1.y, p2.y, p3.y, this.tension); + pz.initCatmullRom(p0.z, p1.z, p2.z, p3.z, this.tension); + } + point.set( + px.calc(weight), + py.calc(weight), + pz.calc(weight) + ); + return point; + } + copy(source) { + super.copy(source); + this.points = []; + for (let i = 0, l = source.points.length; i < l; i++) { + const point = source.points[i]; + this.points.push(point.clone()); + } + this.closed = source.closed; + this.curveType = source.curveType; + this.tension = source.tension; + return this; + } + toJSON() { + const data = super.toJSON(); + data.points = []; + for (let i = 0, l = this.points.length; i < l; i++) { + const point = this.points[i]; + data.points.push(point.toArray()); + } + data.closed = this.closed; + data.curveType = this.curveType; + data.tension = this.tension; + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.points = []; + for (let i = 0, l = json.points.length; i < l; i++) { + const point = json.points[i]; + this.points.push(new Vector3().fromArray(point)); + } + this.closed = json.closed; + this.curveType = json.curveType; + this.tension = json.tension; + return this; + } +}; +function CatmullRom(t, p0, p1, p2, p3) { + const v0 = (p2 - p0) * 0.5; + const v1 = (p3 - p1) * 0.5; + const t2 = t * t; + const t3 = t * t2; + return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (-3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1; +} +function QuadraticBezierP0(t, p) { + const k = 1 - t; + return k * k * p; +} +function QuadraticBezierP1(t, p) { + return 2 * (1 - t) * t * p; +} +function QuadraticBezierP2(t, p) { + return t * t * p; +} +function QuadraticBezier(t, p0, p1, p2) { + return QuadraticBezierP0(t, p0) + QuadraticBezierP1(t, p1) + QuadraticBezierP2(t, p2); +} +function CubicBezierP0(t, p) { + const k = 1 - t; + return k * k * k * p; +} +function CubicBezierP1(t, p) { + const k = 1 - t; + return 3 * k * k * t * p; +} +function CubicBezierP2(t, p) { + return 3 * (1 - t) * t * t * p; +} +function CubicBezierP3(t, p) { + return t * t * t * p; +} +function CubicBezier(t, p0, p1, p2, p3) { + return CubicBezierP0(t, p0) + CubicBezierP1(t, p1) + CubicBezierP2(t, p2) + CubicBezierP3(t, p3); +} +var CubicBezierCurve = class extends Curve { + /** + * Constructs a new Cubic Bezier curve. + * + * @param {Vector2} [v0] - The start point. + * @param {Vector2} [v1] - The first control point. + * @param {Vector2} [v2] - The second control point. + * @param {Vector2} [v3] - The end point. + */ + constructor(v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2()) { + super(); + this.isCubicBezierCurve = true; + this.type = "CubicBezierCurve"; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + } + /** + * Returns a point on the curve. + * + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {Vector2} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector2} The position on the curve. + */ + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + const v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + point.set( + CubicBezier(t, v0.x, v1.x, v2.x, v3.x), + CubicBezier(t, v0.y, v1.y, v2.y, v3.y) + ); + return point; + } + copy(source) { + super.copy(source); + this.v0.copy(source.v0); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + this.v3.copy(source.v3); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v0.fromArray(json.v0); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + this.v3.fromArray(json.v3); + return this; + } +}; +var CubicBezierCurve3 = class extends Curve { + /** + * Constructs a new Cubic Bezier curve. + * + * @param {Vector3} [v0] - The start point. + * @param {Vector3} [v1] - The first control point. + * @param {Vector3} [v2] - The second control point. + * @param {Vector3} [v3] - The end point. + */ + constructor(v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3()) { + super(); + this.isCubicBezierCurve3 = true; + this.type = "CubicBezierCurve3"; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + } + /** + * Returns a point on the curve. + * + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {Vector3} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector3} The position on the curve. + */ + getPoint(t, optionalTarget = new Vector3()) { + const point = optionalTarget; + const v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + point.set( + CubicBezier(t, v0.x, v1.x, v2.x, v3.x), + CubicBezier(t, v0.y, v1.y, v2.y, v3.y), + CubicBezier(t, v0.z, v1.z, v2.z, v3.z) + ); + return point; + } + copy(source) { + super.copy(source); + this.v0.copy(source.v0); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + this.v3.copy(source.v3); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v0.fromArray(json.v0); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + this.v3.fromArray(json.v3); + return this; + } +}; +var LineCurve = class extends Curve { + /** + * Constructs a new line curve. + * + * @param {Vector2} [v1] - The start point. + * @param {Vector2} [v2] - The end point. + */ + constructor(v1 = new Vector2(), v2 = new Vector2()) { + super(); + this.isLineCurve = true; + this.type = "LineCurve"; + this.v1 = v1; + this.v2 = v2; + } + /** + * Returns a point on the line. + * + * @param {number} t - A interpolation factor representing a position on the line. Must be in the range `[0,1]`. + * @param {Vector2} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector2} The position on the line. + */ + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + if (t === 1) { + point.copy(this.v2); + } else { + point.copy(this.v2).sub(this.v1); + point.multiplyScalar(t).add(this.v1); + } + return point; + } + // Line curve is linear, so we can overwrite default getPointAt + getPointAt(u, optionalTarget) { + return this.getPoint(u, optionalTarget); + } + getTangent(t, optionalTarget = new Vector2()) { + return optionalTarget.subVectors(this.v2, this.v1).normalize(); + } + getTangentAt(u, optionalTarget) { + return this.getTangent(u, optionalTarget); + } + copy(source) { + super.copy(source); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + return this; + } +}; +var LineCurve3 = class extends Curve { + /** + * Constructs a new line curve. + * + * @param {Vector3} [v1] - The start point. + * @param {Vector3} [v2] - The end point. + */ + constructor(v1 = new Vector3(), v2 = new Vector3()) { + super(); + this.isLineCurve3 = true; + this.type = "LineCurve3"; + this.v1 = v1; + this.v2 = v2; + } + /** + * Returns a point on the line. + * + * @param {number} t - A interpolation factor representing a position on the line. Must be in the range `[0,1]`. + * @param {Vector3} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector3} The position on the line. + */ + getPoint(t, optionalTarget = new Vector3()) { + const point = optionalTarget; + if (t === 1) { + point.copy(this.v2); + } else { + point.copy(this.v2).sub(this.v1); + point.multiplyScalar(t).add(this.v1); + } + return point; + } + // Line curve is linear, so we can overwrite default getPointAt + getPointAt(u, optionalTarget) { + return this.getPoint(u, optionalTarget); + } + getTangent(t, optionalTarget = new Vector3()) { + return optionalTarget.subVectors(this.v2, this.v1).normalize(); + } + getTangentAt(u, optionalTarget) { + return this.getTangent(u, optionalTarget); + } + copy(source) { + super.copy(source); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + return this; + } +}; +var QuadraticBezierCurve = class extends Curve { + /** + * Constructs a new Quadratic Bezier curve. + * + * @param {Vector2} [v0] - The start point. + * @param {Vector2} [v1] - The control point. + * @param {Vector2} [v2] - The end point. + */ + constructor(v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2()) { + super(); + this.isQuadraticBezierCurve = true; + this.type = "QuadraticBezierCurve"; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + } + /** + * Returns a point on the curve. + * + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {Vector2} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector2} The position on the curve. + */ + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + const v0 = this.v0, v1 = this.v1, v2 = this.v2; + point.set( + QuadraticBezier(t, v0.x, v1.x, v2.x), + QuadraticBezier(t, v0.y, v1.y, v2.y) + ); + return point; + } + copy(source) { + super.copy(source); + this.v0.copy(source.v0); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v0.fromArray(json.v0); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + return this; + } +}; +var QuadraticBezierCurve3 = class extends Curve { + /** + * Constructs a new Quadratic Bezier curve. + * + * @param {Vector3} [v0] - The start point. + * @param {Vector3} [v1] - The control point. + * @param {Vector3} [v2] - The end point. + */ + constructor(v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3()) { + super(); + this.isQuadraticBezierCurve3 = true; + this.type = "QuadraticBezierCurve3"; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + } + /** + * Returns a point on the curve. + * + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {Vector3} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector3} The position on the curve. + */ + getPoint(t, optionalTarget = new Vector3()) { + const point = optionalTarget; + const v0 = this.v0, v1 = this.v1, v2 = this.v2; + point.set( + QuadraticBezier(t, v0.x, v1.x, v2.x), + QuadraticBezier(t, v0.y, v1.y, v2.y), + QuadraticBezier(t, v0.z, v1.z, v2.z) + ); + return point; + } + copy(source) { + super.copy(source); + this.v0.copy(source.v0); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v0.fromArray(json.v0); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + return this; + } +}; +var SplineCurve = class extends Curve { + /** + * Constructs a new 2D spline curve. + * + * @param {Array} [points] - An array of 2D points defining the curve. + */ + constructor(points = []) { + super(); + this.isSplineCurve = true; + this.type = "SplineCurve"; + this.points = points; + } + /** + * Returns a point on the curve. + * + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {Vector2} [optionalTarget] - The optional target vector the result is written to. + * @return {Vector2} The position on the curve. + */ + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + const points = this.points; + const p = (points.length - 1) * t; + const intPoint = Math.floor(p); + const weight = p - intPoint; + const p0 = points[intPoint === 0 ? intPoint : intPoint - 1]; + const p1 = points[intPoint]; + const p2 = points[intPoint > points.length - 2 ? points.length - 1 : intPoint + 1]; + const p3 = points[intPoint > points.length - 3 ? points.length - 1 : intPoint + 2]; + point.set( + CatmullRom(weight, p0.x, p1.x, p2.x, p3.x), + CatmullRom(weight, p0.y, p1.y, p2.y, p3.y) + ); + return point; + } + copy(source) { + super.copy(source); + this.points = []; + for (let i = 0, l = source.points.length; i < l; i++) { + const point = source.points[i]; + this.points.push(point.clone()); + } + return this; + } + toJSON() { + const data = super.toJSON(); + data.points = []; + for (let i = 0, l = this.points.length; i < l; i++) { + const point = this.points[i]; + data.points.push(point.toArray()); + } + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.points = []; + for (let i = 0, l = json.points.length; i < l; i++) { + const point = json.points[i]; + this.points.push(new Vector2().fromArray(point)); + } + return this; + } +}; +var Curves = Object.freeze({ + __proto__: null, + ArcCurve, + CatmullRomCurve3, + CubicBezierCurve, + CubicBezierCurve3, + EllipseCurve, + LineCurve, + LineCurve3, + QuadraticBezierCurve, + QuadraticBezierCurve3, + SplineCurve +}); +var CurvePath = class extends Curve { + /** + * Constructs a new curve path. + */ + constructor() { + super(); + this.type = "CurvePath"; + this.curves = []; + this.autoClose = false; + } + /** + * Adds a curve to this curve path. + * + * @param {Curve} curve - The curve to add. + */ + add(curve) { + this.curves.push(curve); + } + /** + * Adds a line curve to close the path. + * + * @return {CurvePath} A reference to this curve path. + */ + closePath() { + const startPoint = this.curves[0].getPoint(0); + const endPoint = this.curves[this.curves.length - 1].getPoint(1); + if (!startPoint.equals(endPoint)) { + const lineType = startPoint.isVector2 === true ? "LineCurve" : "LineCurve3"; + this.curves.push(new Curves[lineType](endPoint, startPoint)); + } + return this; + } + /** + * This method returns a vector in 2D or 3D space (depending on the curve definitions) + * for the given interpolation factor. + * + * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`. + * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to. + * @return {?(Vector2|Vector3)} The position on the curve. It can be a 2D or 3D vector depending on the curve definition. + */ + getPoint(t, optionalTarget) { + const d = t * this.getLength(); + const curveLengths = this.getCurveLengths(); + let i = 0; + while (i < curveLengths.length) { + if (curveLengths[i] >= d) { + const diff = curveLengths[i] - d; + const curve = this.curves[i]; + const segmentLength = curve.getLength(); + const u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + return curve.getPointAt(u, optionalTarget); + } + i++; + } + return null; + } + getLength() { + const lens = this.getCurveLengths(); + return lens[lens.length - 1]; + } + updateArcLengths() { + this.needsUpdate = true; + this.cacheLengths = null; + this.getCurveLengths(); + } + /** + * Returns list of cumulative curve lengths of the defined curves. + * + * @return {Array} The curve lengths. + */ + getCurveLengths() { + if (this.cacheLengths && this.cacheLengths.length === this.curves.length) { + return this.cacheLengths; + } + const lengths = []; + let sums = 0; + for (let i = 0, l = this.curves.length; i < l; i++) { + sums += this.curves[i].getLength(); + lengths.push(sums); + } + this.cacheLengths = lengths; + return lengths; + } + getSpacedPoints(divisions = 40) { + const points = []; + for (let i = 0; i <= divisions; i++) { + points.push(this.getPoint(i / divisions)); + } + if (this.autoClose) { + points.push(points[0]); + } + return points; + } + getPoints(divisions = 12) { + const points = []; + let last; + for (let i = 0, curves = this.curves; i < curves.length; i++) { + const curve = curves[i]; + const resolution = curve.isEllipseCurve ? divisions * 2 : curve.isLineCurve || curve.isLineCurve3 ? 1 : curve.isSplineCurve ? divisions * curve.points.length : divisions; + const pts = curve.getPoints(resolution); + for (let j = 0; j < pts.length; j++) { + const point = pts[j]; + if (last && last.equals(point)) continue; + points.push(point); + last = point; + } + } + if (this.autoClose && points.length > 1 && !points[points.length - 1].equals(points[0])) { + points.push(points[0]); + } + return points; + } + copy(source) { + super.copy(source); + this.curves = []; + for (let i = 0, l = source.curves.length; i < l; i++) { + const curve = source.curves[i]; + this.curves.push(curve.clone()); + } + this.autoClose = source.autoClose; + return this; + } + toJSON() { + const data = super.toJSON(); + data.autoClose = this.autoClose; + data.curves = []; + for (let i = 0, l = this.curves.length; i < l; i++) { + const curve = this.curves[i]; + data.curves.push(curve.toJSON()); + } + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.autoClose = json.autoClose; + this.curves = []; + for (let i = 0, l = json.curves.length; i < l; i++) { + const curve = json.curves[i]; + this.curves.push(new Curves[curve.type]().fromJSON(curve)); + } + return this; + } +}; +var Path = class extends CurvePath { + /** + * Constructs a new path. + * + * @param {Array} [points] - An array of 2D points defining the path. + */ + constructor(points) { + super(); + this.type = "Path"; + this.currentPoint = new Vector2(); + if (points) { + this.setFromPoints(points); + } + } + /** + * Creates a path from the given list of points. The points are added + * to the path as instances of {@link LineCurve}. + * + * @param {Array} points - An array of 2D points. + * @return {Path} A reference to this path. + */ + setFromPoints(points) { + this.moveTo(points[0].x, points[0].y); + for (let i = 1, l = points.length; i < l; i++) { + this.lineTo(points[i].x, points[i].y); + } + return this; + } + /** + * Moves {@link Path#currentPoint} to the given point. + * + * @param {number} x - The x coordinate. + * @param {number} y - The y coordinate. + * @return {Path} A reference to this path. + */ + moveTo(x, y) { + this.currentPoint.set(x, y); + return this; + } + /** + * Adds an instance of {@link LineCurve} to the path by connecting + * the current point with the given one. + * + * @param {number} x - The x coordinate of the end point. + * @param {number} y - The y coordinate of the end point. + * @return {Path} A reference to this path. + */ + lineTo(x, y) { + const curve = new LineCurve(this.currentPoint.clone(), new Vector2(x, y)); + this.curves.push(curve); + this.currentPoint.set(x, y); + return this; + } + /** + * Adds an instance of {@link QuadraticBezierCurve} to the path by connecting + * the current point with the given one. + * + * @param {number} aCPx - The x coordinate of the control point. + * @param {number} aCPy - The y coordinate of the control point. + * @param {number} aX - The x coordinate of the end point. + * @param {number} aY - The y coordinate of the end point. + * @return {Path} A reference to this path. + */ + quadraticCurveTo(aCPx, aCPy, aX, aY) { + const curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2(aCPx, aCPy), + new Vector2(aX, aY) + ); + this.curves.push(curve); + this.currentPoint.set(aX, aY); + return this; + } + /** + * Adds an instance of {@link CubicBezierCurve} to the path by connecting + * the current point with the given one. + * + * @param {number} aCP1x - The x coordinate of the first control point. + * @param {number} aCP1y - The y coordinate of the first control point. + * @param {number} aCP2x - The x coordinate of the second control point. + * @param {number} aCP2y - The y coordinate of the second control point. + * @param {number} aX - The x coordinate of the end point. + * @param {number} aY - The y coordinate of the end point. + * @return {Path} A reference to this path. + */ + bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY) { + const curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2(aCP1x, aCP1y), + new Vector2(aCP2x, aCP2y), + new Vector2(aX, aY) + ); + this.curves.push(curve); + this.currentPoint.set(aX, aY); + return this; + } + /** + * Adds an instance of {@link SplineCurve} to the path by connecting + * the current point with the given list of points. + * + * @param {Array} pts - An array of points in 2D space. + * @return {Path} A reference to this path. + */ + splineThru(pts) { + const npts = [this.currentPoint.clone()].concat(pts); + const curve = new SplineCurve(npts); + this.curves.push(curve); + this.currentPoint.copy(pts[pts.length - 1]); + return this; + } + /** + * Adds an arc as an instance of {@link EllipseCurve} to the path, positioned relative + * to the current point. + * + * @param {number} [aX=0] - The x coordinate of the center of the arc offsetted from the previous curve. + * @param {number} [aY=0] - The y coordinate of the center of the arc offsetted from the previous curve. + * @param {number} [aRadius=1] - The radius of the arc. + * @param {number} [aStartAngle=0] - The start angle in radians. + * @param {number} [aEndAngle=Math.PI*2] - The end angle in radians. + * @param {boolean} [aClockwise=false] - Whether to sweep the arc clockwise or not. + * @return {Path} A reference to this path. + */ + arc(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) { + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + this.absarc( + aX + x0, + aY + y0, + aRadius, + aStartAngle, + aEndAngle, + aClockwise + ); + return this; + } + /** + * Adds an absolutely positioned arc as an instance of {@link EllipseCurve} to the path. + * + * @param {number} [aX=0] - The x coordinate of the center of the arc. + * @param {number} [aY=0] - The y coordinate of the center of the arc. + * @param {number} [aRadius=1] - The radius of the arc. + * @param {number} [aStartAngle=0] - The start angle in radians. + * @param {number} [aEndAngle=Math.PI*2] - The end angle in radians. + * @param {boolean} [aClockwise=false] - Whether to sweep the arc clockwise or not. + * @return {Path} A reference to this path. + */ + absarc(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) { + this.absellipse(aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise); + return this; + } + /** + * Adds an ellipse as an instance of {@link EllipseCurve} to the path, positioned relative + * to the current point + * + * @param {number} [aX=0] - The x coordinate of the center of the ellipse offsetted from the previous curve. + * @param {number} [aY=0] - The y coordinate of the center of the ellipse offsetted from the previous curve. + * @param {number} [xRadius=1] - The radius of the ellipse in the x axis. + * @param {number} [yRadius=1] - The radius of the ellipse in the y axis. + * @param {number} [aStartAngle=0] - The start angle in radians. + * @param {number} [aEndAngle=Math.PI*2] - The end angle in radians. + * @param {boolean} [aClockwise=false] - Whether to sweep the ellipse clockwise or not. + * @param {number} [aRotation=0] - The rotation angle of the ellipse in radians, counterclockwise from the positive X axis. + * @return {Path} A reference to this path. + */ + ellipse(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation) { + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + this.absellipse(aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation); + return this; + } + /** + * Adds an absolutely positioned ellipse as an instance of {@link EllipseCurve} to the path. + * + * @param {number} [aX=0] - The x coordinate of the absolute center of the ellipse. + * @param {number} [aY=0] - The y coordinate of the absolute center of the ellipse. + * @param {number} [xRadius=1] - The radius of the ellipse in the x axis. + * @param {number} [yRadius=1] - The radius of the ellipse in the y axis. + * @param {number} [aStartAngle=0] - The start angle in radians. + * @param {number} [aEndAngle=Math.PI*2] - The end angle in radians. + * @param {boolean} [aClockwise=false] - Whether to sweep the ellipse clockwise or not. + * @param {number} [aRotation=0] - The rotation angle of the ellipse in radians, counterclockwise from the positive X axis. + * @return {Path} A reference to this path. + */ + absellipse(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation) { + const curve = new EllipseCurve(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation); + if (this.curves.length > 0) { + const firstPoint = curve.getPoint(0); + if (!firstPoint.equals(this.currentPoint)) { + this.lineTo(firstPoint.x, firstPoint.y); + } + } + this.curves.push(curve); + const lastPoint = curve.getPoint(1); + this.currentPoint.copy(lastPoint); + return this; + } + copy(source) { + super.copy(source); + this.currentPoint.copy(source.currentPoint); + return this; + } + toJSON() { + const data = super.toJSON(); + data.currentPoint = this.currentPoint.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.currentPoint.fromArray(json.currentPoint); + return this; + } +}; +var Shape = class extends Path { + /** + * Constructs a new shape. + * + * @param {Array} [points] - An array of 2D points defining the shape. + */ + constructor(points) { + super(points); + this.uuid = generateUUID(); + this.type = "Shape"; + this.holes = []; + } + /** + * Returns an array representing each contour of the holes + * as a list of 2D points. + * + * @param {number} divisions - The fineness of the result. + * @return {Array>} The holes as a series of 2D points. + */ + getPointsHoles(divisions) { + const holesPts = []; + for (let i = 0, l = this.holes.length; i < l; i++) { + holesPts[i] = this.holes[i].getPoints(divisions); + } + return holesPts; + } + // get points of shape and holes (keypoints based on segments parameter) + /** + * Returns an object that holds contour data for the shape and its holes as + * arrays of 2D points. + * + * @param {number} divisions - The fineness of the result. + * @return {{shape:Array,holes:Array>}} An object with contour data. + */ + extractPoints(divisions) { + return { + shape: this.getPoints(divisions), + holes: this.getPointsHoles(divisions) + }; + } + copy(source) { + super.copy(source); + this.holes = []; + for (let i = 0, l = source.holes.length; i < l; i++) { + const hole = source.holes[i]; + this.holes.push(hole.clone()); + } + return this; + } + toJSON() { + const data = super.toJSON(); + data.uuid = this.uuid; + data.holes = []; + for (let i = 0, l = this.holes.length; i < l; i++) { + const hole = this.holes[i]; + data.holes.push(hole.toJSON()); + } + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.uuid = json.uuid; + this.holes = []; + for (let i = 0, l = json.holes.length; i < l; i++) { + const hole = json.holes[i]; + this.holes.push(new Path().fromJSON(hole)); + } + return this; + } +}; +function earcut(data, holeIndices, dim = 2) { + const hasHoles = holeIndices && holeIndices.length; + const outerLen = hasHoles ? holeIndices[0] * dim : data.length; + let outerNode = linkedList(data, 0, outerLen, dim, true); + const triangles = []; + if (!outerNode || outerNode.next === outerNode.prev) return triangles; + let minX, minY, invSize; + if (hasHoles) outerNode = eliminateHoles(data, holeIndices, outerNode, dim); + if (data.length > 80 * dim) { + minX = data[0]; + minY = data[1]; + let maxX = minX; + let maxY = minY; + for (let i = dim; i < outerLen; i += dim) { + const x = data[i]; + const y = data[i + 1]; + if (x < minX) minX = x; + if (y < minY) minY = y; + if (x > maxX) maxX = x; + if (y > maxY) maxY = y; + } + invSize = Math.max(maxX - minX, maxY - minY); + invSize = invSize !== 0 ? 32767 / invSize : 0; + } + earcutLinked(outerNode, triangles, dim, minX, minY, invSize, 0); + return triangles; +} +function linkedList(data, start, end, dim, clockwise) { + let last; + if (clockwise === signedArea(data, start, end, dim) > 0) { + for (let i = start; i < end; i += dim) last = insertNode(i / dim | 0, data[i], data[i + 1], last); + } else { + for (let i = end - dim; i >= start; i -= dim) last = insertNode(i / dim | 0, data[i], data[i + 1], last); + } + if (last && equals(last, last.next)) { + removeNode(last); + last = last.next; + } + return last; +} +function filterPoints(start, end) { + if (!start) return start; + if (!end) end = start; + let p = start, again; + do { + again = false; + if (!p.steiner && (equals(p, p.next) || area(p.prev, p, p.next) === 0)) { + removeNode(p); + p = end = p.prev; + if (p === p.next) break; + again = true; + } else { + p = p.next; + } + } while (again || p !== end); + return end; +} +function earcutLinked(ear, triangles, dim, minX, minY, invSize, pass) { + if (!ear) return; + if (!pass && invSize) indexCurve(ear, minX, minY, invSize); + let stop = ear; + while (ear.prev !== ear.next) { + const prev = ear.prev; + const next = ear.next; + if (invSize ? isEarHashed(ear, minX, minY, invSize) : isEar(ear)) { + triangles.push(prev.i, ear.i, next.i); + removeNode(ear); + ear = next.next; + stop = next.next; + continue; + } + ear = next; + if (ear === stop) { + if (!pass) { + earcutLinked(filterPoints(ear), triangles, dim, minX, minY, invSize, 1); + } else if (pass === 1) { + ear = cureLocalIntersections(filterPoints(ear), triangles); + earcutLinked(ear, triangles, dim, minX, minY, invSize, 2); + } else if (pass === 2) { + splitEarcut(ear, triangles, dim, minX, minY, invSize); + } + break; + } + } +} +function isEar(ear) { + const a = ear.prev, b = ear, c = ear.next; + if (area(a, b, c) >= 0) return false; + const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y; + const x0 = Math.min(ax, bx, cx), y0 = Math.min(ay, by, cy), x1 = Math.max(ax, bx, cx), y1 = Math.max(ay, by, cy); + let p = c.next; + while (p !== a) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false; + p = p.next; + } + return true; +} +function isEarHashed(ear, minX, minY, invSize) { + const a = ear.prev, b = ear, c = ear.next; + if (area(a, b, c) >= 0) return false; + const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y; + const x0 = Math.min(ax, bx, cx), y0 = Math.min(ay, by, cy), x1 = Math.max(ax, bx, cx), y1 = Math.max(ay, by, cy); + const minZ = zOrder(x0, y0, minX, minY, invSize), maxZ = zOrder(x1, y1, minX, minY, invSize); + let p = ear.prevZ, n = ear.nextZ; + while (p && p.z >= minZ && n && n.z <= maxZ) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c && pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false; + p = p.prevZ; + if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c && pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) return false; + n = n.nextZ; + } + while (p && p.z >= minZ) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c && pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false; + p = p.prevZ; + } + while (n && n.z <= maxZ) { + if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c && pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) return false; + n = n.nextZ; + } + return true; +} +function cureLocalIntersections(start, triangles) { + let p = start; + do { + const a = p.prev, b = p.next.next; + if (!equals(a, b) && intersects(a, p, p.next, b) && locallyInside(a, b) && locallyInside(b, a)) { + triangles.push(a.i, p.i, b.i); + removeNode(p); + removeNode(p.next); + p = start = b; + } + p = p.next; + } while (p !== start); + return filterPoints(p); +} +function splitEarcut(start, triangles, dim, minX, minY, invSize) { + let a = start; + do { + let b = a.next.next; + while (b !== a.prev) { + if (a.i !== b.i && isValidDiagonal(a, b)) { + let c = splitPolygon(a, b); + a = filterPoints(a, a.next); + c = filterPoints(c, c.next); + earcutLinked(a, triangles, dim, minX, minY, invSize, 0); + earcutLinked(c, triangles, dim, minX, minY, invSize, 0); + return; + } + b = b.next; + } + a = a.next; + } while (a !== start); +} +function eliminateHoles(data, holeIndices, outerNode, dim) { + const queue = []; + for (let i = 0, len = holeIndices.length; i < len; i++) { + const start = holeIndices[i] * dim; + const end = i < len - 1 ? holeIndices[i + 1] * dim : data.length; + const list = linkedList(data, start, end, dim, false); + if (list === list.next) list.steiner = true; + queue.push(getLeftmost(list)); + } + queue.sort(compareXYSlope); + for (let i = 0; i < queue.length; i++) { + outerNode = eliminateHole(queue[i], outerNode); + } + return outerNode; +} +function compareXYSlope(a, b) { + let result = a.x - b.x; + if (result === 0) { + result = a.y - b.y; + if (result === 0) { + const aSlope = (a.next.y - a.y) / (a.next.x - a.x); + const bSlope = (b.next.y - b.y) / (b.next.x - b.x); + result = aSlope - bSlope; + } + } + return result; +} +function eliminateHole(hole, outerNode) { + const bridge = findHoleBridge(hole, outerNode); + if (!bridge) { + return outerNode; + } + const bridgeReverse = splitPolygon(bridge, hole); + filterPoints(bridgeReverse, bridgeReverse.next); + return filterPoints(bridge, bridge.next); +} +function findHoleBridge(hole, outerNode) { + let p = outerNode; + const hx = hole.x; + const hy = hole.y; + let qx = -Infinity; + let m; + if (equals(hole, p)) return p; + do { + if (equals(hole, p.next)) return p.next; + else if (hy <= p.y && hy >= p.next.y && p.next.y !== p.y) { + const x = p.x + (hy - p.y) * (p.next.x - p.x) / (p.next.y - p.y); + if (x <= hx && x > qx) { + qx = x; + m = p.x < p.next.x ? p : p.next; + if (x === hx) return m; + } + } + p = p.next; + } while (p !== outerNode); + if (!m) return null; + const stop = m; + const mx = m.x; + const my = m.y; + let tanMin = Infinity; + p = m; + do { + if (hx >= p.x && p.x >= mx && hx !== p.x && pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y)) { + const tan = Math.abs(hy - p.y) / (hx - p.x); + if (locallyInside(p, hole) && (tan < tanMin || tan === tanMin && (p.x > m.x || p.x === m.x && sectorContainsSector(m, p)))) { + m = p; + tanMin = tan; + } + } + p = p.next; + } while (p !== stop); + return m; +} +function sectorContainsSector(m, p) { + return area(m.prev, m, p.prev) < 0 && area(p.next, m, m.next) < 0; +} +function indexCurve(start, minX, minY, invSize) { + let p = start; + do { + if (p.z === 0) p.z = zOrder(p.x, p.y, minX, minY, invSize); + p.prevZ = p.prev; + p.nextZ = p.next; + p = p.next; + } while (p !== start); + p.prevZ.nextZ = null; + p.prevZ = null; + sortLinked(p); +} +function sortLinked(list) { + let numMerges; + let inSize = 1; + do { + let p = list; + let e; + list = null; + let tail = null; + numMerges = 0; + while (p) { + numMerges++; + let q = p; + let pSize = 0; + for (let i = 0; i < inSize; i++) { + pSize++; + q = q.nextZ; + if (!q) break; + } + let qSize = inSize; + while (pSize > 0 || qSize > 0 && q) { + if (pSize !== 0 && (qSize === 0 || !q || p.z <= q.z)) { + e = p; + p = p.nextZ; + pSize--; + } else { + e = q; + q = q.nextZ; + qSize--; + } + if (tail) tail.nextZ = e; + else list = e; + e.prevZ = tail; + tail = e; + } + p = q; + } + tail.nextZ = null; + inSize *= 2; + } while (numMerges > 1); + return list; +} +function zOrder(x, y, minX, minY, invSize) { + x = (x - minX) * invSize | 0; + y = (y - minY) * invSize | 0; + x = (x | x << 8) & 16711935; + x = (x | x << 4) & 252645135; + x = (x | x << 2) & 858993459; + x = (x | x << 1) & 1431655765; + y = (y | y << 8) & 16711935; + y = (y | y << 4) & 252645135; + y = (y | y << 2) & 858993459; + y = (y | y << 1) & 1431655765; + return x | y << 1; +} +function getLeftmost(start) { + let p = start, leftmost = start; + do { + if (p.x < leftmost.x || p.x === leftmost.x && p.y < leftmost.y) leftmost = p; + p = p.next; + } while (p !== start); + return leftmost; +} +function pointInTriangle(ax, ay, bx, by, cx, cy, px2, py2) { + return (cx - px2) * (ay - py2) >= (ax - px2) * (cy - py2) && (ax - px2) * (by - py2) >= (bx - px2) * (ay - py2) && (bx - px2) * (cy - py2) >= (cx - px2) * (by - py2); +} +function pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, px2, py2) { + return !(ax === px2 && ay === py2) && pointInTriangle(ax, ay, bx, by, cx, cy, px2, py2); +} +function isValidDiagonal(a, b) { + return a.next.i !== b.i && a.prev.i !== b.i && !intersectsPolygon(a, b) && // doesn't intersect other edges + (locallyInside(a, b) && locallyInside(b, a) && middleInside(a, b) && // locally visible + (area(a.prev, a, b.prev) || area(a, b.prev, b)) || // does not create opposite-facing sectors + equals(a, b) && area(a.prev, a, a.next) > 0 && area(b.prev, b, b.next) > 0); +} +function area(p, q, r) { + return (q.y - p.y) * (r.x - q.x) - (q.x - p.x) * (r.y - q.y); +} +function equals(p1, p2) { + return p1.x === p2.x && p1.y === p2.y; +} +function intersects(p1, q1, p2, q2) { + const o1 = sign(area(p1, q1, p2)); + const o2 = sign(area(p1, q1, q2)); + const o3 = sign(area(p2, q2, p1)); + const o4 = sign(area(p2, q2, q1)); + if (o1 !== o2 && o3 !== o4) return true; + if (o1 === 0 && onSegment(p1, p2, q1)) return true; + if (o2 === 0 && onSegment(p1, q2, q1)) return true; + if (o3 === 0 && onSegment(p2, p1, q2)) return true; + if (o4 === 0 && onSegment(p2, q1, q2)) return true; + return false; +} +function onSegment(p, q, r) { + return q.x <= Math.max(p.x, r.x) && q.x >= Math.min(p.x, r.x) && q.y <= Math.max(p.y, r.y) && q.y >= Math.min(p.y, r.y); +} +function sign(num) { + return num > 0 ? 1 : num < 0 ? -1 : 0; +} +function intersectsPolygon(a, b) { + let p = a; + do { + if (p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && intersects(p, p.next, a, b)) return true; + p = p.next; + } while (p !== a); + return false; +} +function locallyInside(a, b) { + return area(a.prev, a, a.next) < 0 ? area(a, b, a.next) >= 0 && area(a, a.prev, b) >= 0 : area(a, b, a.prev) < 0 || area(a, a.next, b) < 0; +} +function middleInside(a, b) { + let p = a; + let inside = false; + const px2 = (a.x + b.x) / 2; + const py2 = (a.y + b.y) / 2; + do { + if (p.y > py2 !== p.next.y > py2 && p.next.y !== p.y && px2 < (p.next.x - p.x) * (py2 - p.y) / (p.next.y - p.y) + p.x) + inside = !inside; + p = p.next; + } while (p !== a); + return inside; +} +function splitPolygon(a, b) { + const a2 = createNode(a.i, a.x, a.y), b2 = createNode(b.i, b.x, b.y), an = a.next, bp = b.prev; + a.next = b; + b.prev = a; + a2.next = an; + an.prev = a2; + b2.next = a2; + a2.prev = b2; + bp.next = b2; + b2.prev = bp; + return b2; +} +function insertNode(i, x, y, last) { + const p = createNode(i, x, y); + if (!last) { + p.prev = p; + p.next = p; + } else { + p.next = last.next; + p.prev = last; + last.next.prev = p; + last.next = p; + } + return p; +} +function removeNode(p) { + p.next.prev = p.prev; + p.prev.next = p.next; + if (p.prevZ) p.prevZ.nextZ = p.nextZ; + if (p.nextZ) p.nextZ.prevZ = p.prevZ; +} +function createNode(i, x, y) { + return { + i, + // vertex index in coordinates array + x, + y, + // vertex coordinates + prev: null, + // previous and next vertex nodes in a polygon ring + next: null, + z: 0, + // z-order curve value + prevZ: null, + // previous and next nodes in z-order + nextZ: null, + steiner: false + // indicates whether this is a steiner point + }; +} +function signedArea(data, start, end, dim) { + let sum = 0; + for (let i = start, j = end - dim; i < end; i += dim) { + sum += (data[j] - data[i]) * (data[i + 1] + data[j + 1]); + j = i; + } + return sum; +} +var Earcut = class { + /** + * Triangulates the given shape definition by returning an array of triangles. + * + * @param {Array} data - An array with 2D points. + * @param {Array} holeIndices - An array with indices defining holes. + * @param {number} [dim=2] - The number of coordinates per vertex in the input array. + * @return {Array} An array representing the triangulated faces. Each face is defined by three consecutive numbers + * representing vertex indices. + */ + static triangulate(data, holeIndices, dim = 2) { + return earcut(data, holeIndices, dim); + } +}; +var ShapeUtils = class _ShapeUtils { + /** + * Calculate area of a ( 2D ) contour polygon. + * + * @param {Array} contour - An array of 2D points. + * @return {number} The area. + */ + static area(contour) { + const n = contour.length; + let a = 0; + for (let p = n - 1, q = 0; q < n; p = q++) { + a += contour[p].x * contour[q].y - contour[q].x * contour[p].y; + } + return a * 0.5; + } + /** + * Returns `true` if the given contour uses a clockwise winding order. + * + * @param {Array} pts - An array of 2D points defining a polygon. + * @return {boolean} Whether the given contour uses a clockwise winding order or not. + */ + static isClockWise(pts) { + return _ShapeUtils.area(pts) < 0; + } + /** + * Triangulates the given shape definition. + * + * @param {Array} contour - An array of 2D points defining the contour. + * @param {Array>} holes - An array that holds arrays of 2D points defining the holes. + * @return {Array>} An array that holds for each face definition an array with three indices. + */ + static triangulateShape(contour, holes) { + const vertices = []; + const holeIndices = []; + const faces = []; + removeDupEndPts(contour); + addContour(vertices, contour); + let holeIndex = contour.length; + holes.forEach(removeDupEndPts); + for (let i = 0; i < holes.length; i++) { + holeIndices.push(holeIndex); + holeIndex += holes[i].length; + addContour(vertices, holes[i]); + } + const triangles = Earcut.triangulate(vertices, holeIndices); + for (let i = 0; i < triangles.length; i += 3) { + faces.push(triangles.slice(i, i + 3)); + } + return faces; + } +}; +function removeDupEndPts(points) { + const l = points.length; + if (l > 2 && points[l - 1].equals(points[0])) { + points.pop(); + } +} +function addContour(vertices, contour) { + for (let i = 0; i < contour.length; i++) { + vertices.push(contour[i].x); + vertices.push(contour[i].y); + } +} +var ExtrudeGeometry = class _ExtrudeGeometry extends BufferGeometry { + /** + * Constructs a new extrude geometry. + * + * @param {Shape|Array} [shapes] - A shape or an array of shapes. + * @param {ExtrudeGeometry~Options} [options] - The extrude settings. + */ + constructor(shapes = new Shape([new Vector2(0.5, 0.5), new Vector2(-0.5, 0.5), new Vector2(-0.5, -0.5), new Vector2(0.5, -0.5)]), options = {}) { + super(); + this.type = "ExtrudeGeometry"; + this.parameters = { + shapes, + options + }; + shapes = Array.isArray(shapes) ? shapes : [shapes]; + const scope = this; + const verticesArray = []; + const uvArray = []; + for (let i = 0, l = shapes.length; i < l; i++) { + const shape = shapes[i]; + addShape(shape); + } + this.setAttribute("position", new Float32BufferAttribute(verticesArray, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvArray, 2)); + this.computeVertexNormals(); + function addShape(shape) { + const placeholder = []; + const curveSegments = options.curveSegments !== void 0 ? options.curveSegments : 12; + const steps = options.steps !== void 0 ? options.steps : 1; + const depth = options.depth !== void 0 ? options.depth : 1; + let bevelEnabled = options.bevelEnabled !== void 0 ? options.bevelEnabled : true; + let bevelThickness = options.bevelThickness !== void 0 ? options.bevelThickness : 0.2; + let bevelSize = options.bevelSize !== void 0 ? options.bevelSize : bevelThickness - 0.1; + let bevelOffset = options.bevelOffset !== void 0 ? options.bevelOffset : 0; + let bevelSegments = options.bevelSegments !== void 0 ? options.bevelSegments : 3; + const extrudePath = options.extrudePath; + const uvgen = options.UVGenerator !== void 0 ? options.UVGenerator : WorldUVGenerator; + let extrudePts, extrudeByPath = false; + let splineTube, binormal, normal, position2; + if (extrudePath) { + extrudePts = extrudePath.getSpacedPoints(steps); + extrudeByPath = true; + bevelEnabled = false; + splineTube = extrudePath.computeFrenetFrames(steps, false); + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); + } + if (!bevelEnabled) { + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; + bevelOffset = 0; + } + const shapePoints = shape.extractPoints(curveSegments); + let vertices = shapePoints.shape; + const holes = shapePoints.holes; + const reverse = !ShapeUtils.isClockWise(vertices); + if (reverse) { + vertices = vertices.reverse(); + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + if (ShapeUtils.isClockWise(ahole)) { + holes[h] = ahole.reverse(); + } + } + } + function mergeOverlappingPoints(points) { + const THRESHOLD = 1e-10; + const THRESHOLD_SQ = THRESHOLD * THRESHOLD; + let prevPos = points[0]; + for (let i = 1; i <= points.length; i++) { + const currentIndex = i % points.length; + const currentPos = points[currentIndex]; + const dx = currentPos.x - prevPos.x; + const dy = currentPos.y - prevPos.y; + const distSq = dx * dx + dy * dy; + const scalingFactorSqrt = Math.max( + Math.abs(currentPos.x), + Math.abs(currentPos.y), + Math.abs(prevPos.x), + Math.abs(prevPos.y) + ); + const thresholdSqScaled = THRESHOLD_SQ * scalingFactorSqrt * scalingFactorSqrt; + if (distSq <= thresholdSqScaled) { + points.splice(currentIndex, 1); + i--; + continue; + } + prevPos = currentPos; + } + } + mergeOverlappingPoints(vertices); + holes.forEach(mergeOverlappingPoints); + const numHoles = holes.length; + const contour = vertices; + for (let h = 0; h < numHoles; h++) { + const ahole = holes[h]; + vertices = vertices.concat(ahole); + } + function scalePt2(pt, vec, size) { + if (!vec) error("ExtrudeGeometry: vec does not exist"); + return pt.clone().addScaledVector(vec, size); + } + const vlen = vertices.length; + function getBevelVec(inPt, inPrev, inNext) { + let v_trans_x, v_trans_y, shrink_by; + const v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y; + const v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y; + const v_prev_lensq = v_prev_x * v_prev_x + v_prev_y * v_prev_y; + const collinear0 = v_prev_x * v_next_y - v_prev_y * v_next_x; + if (Math.abs(collinear0) > Number.EPSILON) { + const v_prev_len = Math.sqrt(v_prev_lensq); + const v_next_len = Math.sqrt(v_next_x * v_next_x + v_next_y * v_next_y); + const ptPrevShift_x = inPrev.x - v_prev_y / v_prev_len; + const ptPrevShift_y = inPrev.y + v_prev_x / v_prev_len; + const ptNextShift_x = inNext.x - v_next_y / v_next_len; + const ptNextShift_y = inNext.y + v_next_x / v_next_len; + const sf = ((ptNextShift_x - ptPrevShift_x) * v_next_y - (ptNextShift_y - ptPrevShift_y) * v_next_x) / (v_prev_x * v_next_y - v_prev_y * v_next_x); + v_trans_x = ptPrevShift_x + v_prev_x * sf - inPt.x; + v_trans_y = ptPrevShift_y + v_prev_y * sf - inPt.y; + const v_trans_lensq = v_trans_x * v_trans_x + v_trans_y * v_trans_y; + if (v_trans_lensq <= 2) { + return new Vector2(v_trans_x, v_trans_y); + } else { + shrink_by = Math.sqrt(v_trans_lensq / 2); + } + } else { + let direction_eq = false; + if (v_prev_x > Number.EPSILON) { + if (v_next_x > Number.EPSILON) { + direction_eq = true; + } + } else { + if (v_prev_x < -Number.EPSILON) { + if (v_next_x < -Number.EPSILON) { + direction_eq = true; + } + } else { + if (Math.sign(v_prev_y) === Math.sign(v_next_y)) { + direction_eq = true; + } + } + } + if (direction_eq) { + v_trans_x = -v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt(v_prev_lensq); + } else { + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt(v_prev_lensq / 2); + } + } + return new Vector2(v_trans_x / shrink_by, v_trans_y / shrink_by); + } + const contourMovements = []; + for (let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i++, j++, k++) { + if (j === il) j = 0; + if (k === il) k = 0; + contourMovements[i] = getBevelVec(contour[i], contour[j], contour[k]); + } + const holesMovements = []; + let oneHoleMovements, verticesMovements = contourMovements.concat(); + for (let h = 0, hl = numHoles; h < hl; h++) { + const ahole = holes[h]; + oneHoleMovements = []; + for (let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i++, j++, k++) { + if (j === il) j = 0; + if (k === il) k = 0; + oneHoleMovements[i] = getBevelVec(ahole[i], ahole[j], ahole[k]); + } + holesMovements.push(oneHoleMovements); + verticesMovements = verticesMovements.concat(oneHoleMovements); + } + let faces; + if (bevelSegments === 0) { + faces = ShapeUtils.triangulateShape(contour, holes); + } else { + const contractedContourVertices = []; + const expandedHoleVertices = []; + for (let b = 0; b < bevelSegments; b++) { + const t = b / bevelSegments; + const z = bevelThickness * Math.cos(t * Math.PI / 2); + const bs2 = bevelSize * Math.sin(t * Math.PI / 2) + bevelOffset; + for (let i = 0, il = contour.length; i < il; i++) { + const vert = scalePt2(contour[i], contourMovements[i], bs2); + v(vert.x, vert.y, -z); + if (t === 0) contractedContourVertices.push(vert); + } + for (let h = 0, hl = numHoles; h < hl; h++) { + const ahole = holes[h]; + oneHoleMovements = holesMovements[h]; + const oneHoleVertices = []; + for (let i = 0, il = ahole.length; i < il; i++) { + const vert = scalePt2(ahole[i], oneHoleMovements[i], bs2); + v(vert.x, vert.y, -z); + if (t === 0) oneHoleVertices.push(vert); + } + if (t === 0) expandedHoleVertices.push(oneHoleVertices); + } + } + faces = ShapeUtils.triangulateShape(contractedContourVertices, expandedHoleVertices); + } + const flen = faces.length; + const bs = bevelSize + bevelOffset; + for (let i = 0; i < vlen; i++) { + const vert = bevelEnabled ? scalePt2(vertices[i], verticesMovements[i], bs) : vertices[i]; + if (!extrudeByPath) { + v(vert.x, vert.y, 0); + } else { + normal.copy(splineTube.normals[0]).multiplyScalar(vert.x); + binormal.copy(splineTube.binormals[0]).multiplyScalar(vert.y); + position2.copy(extrudePts[0]).add(normal).add(binormal); + v(position2.x, position2.y, position2.z); + } + } + for (let s = 1; s <= steps; s++) { + for (let i = 0; i < vlen; i++) { + const vert = bevelEnabled ? scalePt2(vertices[i], verticesMovements[i], bs) : vertices[i]; + if (!extrudeByPath) { + v(vert.x, vert.y, depth / steps * s); + } else { + normal.copy(splineTube.normals[s]).multiplyScalar(vert.x); + binormal.copy(splineTube.binormals[s]).multiplyScalar(vert.y); + position2.copy(extrudePts[s]).add(normal).add(binormal); + v(position2.x, position2.y, position2.z); + } + } + } + for (let b = bevelSegments - 1; b >= 0; b--) { + const t = b / bevelSegments; + const z = bevelThickness * Math.cos(t * Math.PI / 2); + const bs2 = bevelSize * Math.sin(t * Math.PI / 2) + bevelOffset; + for (let i = 0, il = contour.length; i < il; i++) { + const vert = scalePt2(contour[i], contourMovements[i], bs2); + v(vert.x, vert.y, depth + z); + } + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + oneHoleMovements = holesMovements[h]; + for (let i = 0, il = ahole.length; i < il; i++) { + const vert = scalePt2(ahole[i], oneHoleMovements[i], bs2); + if (!extrudeByPath) { + v(vert.x, vert.y, depth + z); + } else { + v(vert.x, vert.y + extrudePts[steps - 1].y, extrudePts[steps - 1].x + z); + } + } + } + } + buildLidFaces(); + buildSideFaces(); + function buildLidFaces() { + const start = verticesArray.length / 3; + if (bevelEnabled) { + let layer = 0; + let offset = vlen * layer; + for (let i = 0; i < flen; i++) { + const face = faces[i]; + f3(face[2] + offset, face[1] + offset, face[0] + offset); + } + layer = steps + bevelSegments * 2; + offset = vlen * layer; + for (let i = 0; i < flen; i++) { + const face = faces[i]; + f3(face[0] + offset, face[1] + offset, face[2] + offset); + } + } else { + for (let i = 0; i < flen; i++) { + const face = faces[i]; + f3(face[2], face[1], face[0]); + } + for (let i = 0; i < flen; i++) { + const face = faces[i]; + f3(face[0] + vlen * steps, face[1] + vlen * steps, face[2] + vlen * steps); + } + } + scope.addGroup(start, verticesArray.length / 3 - start, 0); + } + function buildSideFaces() { + const start = verticesArray.length / 3; + let layeroffset = 0; + sidewalls(contour, layeroffset); + layeroffset += contour.length; + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + sidewalls(ahole, layeroffset); + layeroffset += ahole.length; + } + scope.addGroup(start, verticesArray.length / 3 - start, 1); + } + function sidewalls(contour2, layeroffset) { + let i = contour2.length; + while (--i >= 0) { + const j = i; + let k = i - 1; + if (k < 0) k = contour2.length - 1; + for (let s = 0, sl = steps + bevelSegments * 2; s < sl; s++) { + const slen1 = vlen * s; + const slen2 = vlen * (s + 1); + const a = layeroffset + j + slen1, b = layeroffset + k + slen1, c = layeroffset + k + slen2, d = layeroffset + j + slen2; + f4(a, b, c, d); + } + } + } + function v(x, y, z) { + placeholder.push(x); + placeholder.push(y); + placeholder.push(z); + } + function f3(a, b, c) { + addVertex(a); + addVertex(b); + addVertex(c); + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateTopUV(scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1); + addUV(uvs[0]); + addUV(uvs[1]); + addUV(uvs[2]); + } + function f4(a, b, c, d) { + addVertex(a); + addVertex(b); + addVertex(d); + addVertex(b); + addVertex(c); + addVertex(d); + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateSideWallUV(scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1); + addUV(uvs[0]); + addUV(uvs[1]); + addUV(uvs[3]); + addUV(uvs[1]); + addUV(uvs[2]); + addUV(uvs[3]); + } + function addVertex(index) { + verticesArray.push(placeholder[index * 3 + 0]); + verticesArray.push(placeholder[index * 3 + 1]); + verticesArray.push(placeholder[index * 3 + 2]); + } + function addUV(vector2) { + uvArray.push(vector2.x); + uvArray.push(vector2.y); + } + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + toJSON() { + const data = super.toJSON(); + const shapes = this.parameters.shapes; + const options = this.parameters.options; + return toJSON$1(shapes, options, data); + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @param {Array} shapes - An array of shapes. + * @return {ExtrudeGeometry} A new instance. + */ + static fromJSON(data, shapes) { + const geometryShapes = []; + for (let j = 0, jl = data.shapes.length; j < jl; j++) { + const shape = shapes[data.shapes[j]]; + geometryShapes.push(shape); + } + const extrudePath = data.options.extrudePath; + if (extrudePath !== void 0) { + data.options.extrudePath = new Curves[extrudePath.type]().fromJSON(extrudePath); + } + return new _ExtrudeGeometry(geometryShapes, data.options); + } +}; +var WorldUVGenerator = { + generateTopUV: function(geometry, vertices, indexA, indexB, indexC) { + const a_x = vertices[indexA * 3]; + const a_y = vertices[indexA * 3 + 1]; + const b_x = vertices[indexB * 3]; + const b_y = vertices[indexB * 3 + 1]; + const c_x = vertices[indexC * 3]; + const c_y = vertices[indexC * 3 + 1]; + return [ + new Vector2(a_x, a_y), + new Vector2(b_x, b_y), + new Vector2(c_x, c_y) + ]; + }, + generateSideWallUV: function(geometry, vertices, indexA, indexB, indexC, indexD) { + const a_x = vertices[indexA * 3]; + const a_y = vertices[indexA * 3 + 1]; + const a_z = vertices[indexA * 3 + 2]; + const b_x = vertices[indexB * 3]; + const b_y = vertices[indexB * 3 + 1]; + const b_z = vertices[indexB * 3 + 2]; + const c_x = vertices[indexC * 3]; + const c_y = vertices[indexC * 3 + 1]; + const c_z = vertices[indexC * 3 + 2]; + const d_x = vertices[indexD * 3]; + const d_y = vertices[indexD * 3 + 1]; + const d_z = vertices[indexD * 3 + 2]; + if (Math.abs(a_y - b_y) < Math.abs(a_x - b_x)) { + return [ + new Vector2(a_x, 1 - a_z), + new Vector2(b_x, 1 - b_z), + new Vector2(c_x, 1 - c_z), + new Vector2(d_x, 1 - d_z) + ]; + } else { + return [ + new Vector2(a_y, 1 - a_z), + new Vector2(b_y, 1 - b_z), + new Vector2(c_y, 1 - c_z), + new Vector2(d_y, 1 - d_z) + ]; + } + } +}; +function toJSON$1(shapes, options, data) { + data.shapes = []; + if (Array.isArray(shapes)) { + for (let i = 0, l = shapes.length; i < l; i++) { + const shape = shapes[i]; + data.shapes.push(shape.uuid); + } + } else { + data.shapes.push(shapes.uuid); + } + data.options = Object.assign({}, options); + if (options.extrudePath !== void 0) data.options.extrudePath = options.extrudePath.toJSON(); + return data; +} +var IcosahedronGeometry = class _IcosahedronGeometry extends PolyhedronGeometry { + /** + * Constructs a new icosahedron geometry. + * + * @param {number} [radius=1] - Radius of the icosahedron. + * @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a icosahedron. + */ + constructor(radius = 1, detail = 0) { + const t = (1 + Math.sqrt(5)) / 2; + const vertices = [ + -1, + t, + 0, + 1, + t, + 0, + -1, + -t, + 0, + 1, + -t, + 0, + 0, + -1, + t, + 0, + 1, + t, + 0, + -1, + -t, + 0, + 1, + -t, + t, + 0, + -1, + t, + 0, + 1, + -t, + 0, + -1, + -t, + 0, + 1 + ]; + const indices = [ + 0, + 11, + 5, + 0, + 5, + 1, + 0, + 1, + 7, + 0, + 7, + 10, + 0, + 10, + 11, + 1, + 5, + 9, + 5, + 11, + 4, + 11, + 10, + 2, + 10, + 7, + 6, + 7, + 1, + 8, + 3, + 9, + 4, + 3, + 4, + 2, + 3, + 2, + 6, + 3, + 6, + 8, + 3, + 8, + 9, + 4, + 9, + 5, + 2, + 4, + 11, + 6, + 2, + 10, + 8, + 6, + 7, + 9, + 8, + 1 + ]; + super(vertices, indices, radius, detail); + this.type = "IcosahedronGeometry"; + this.parameters = { + radius, + detail + }; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {IcosahedronGeometry} A new instance. + */ + static fromJSON(data) { + return new _IcosahedronGeometry(data.radius, data.detail); + } +}; +var LatheGeometry = class _LatheGeometry extends BufferGeometry { + /** + * Constructs a new lathe geometry. + * + * @param {Array} [points] - An array of points in 2D space. The x-coordinate of each point + * must be greater than zero. + * @param {number} [segments=12] - The number of circumference segments to generate. + * @param {number} [phiStart=0] - The starting angle in radians. + * @param {number} [phiLength=Math.PI*2] - The radian (0 to 2PI) range of the lathed section 2PI is a + * closed lathe, less than 2PI is a portion. + */ + constructor(points = [new Vector2(0, -0.5), new Vector2(0.5, 0), new Vector2(0, 0.5)], segments = 12, phiStart = 0, phiLength = Math.PI * 2) { + super(); + this.type = "LatheGeometry"; + this.parameters = { + points, + segments, + phiStart, + phiLength + }; + segments = Math.floor(segments); + phiLength = clamp(phiLength, 0, Math.PI * 2); + const indices = []; + const vertices = []; + const uvs = []; + const initNormals = []; + const normals = []; + const inverseSegments = 1 / segments; + const vertex2 = new Vector3(); + const uv = new Vector2(); + const normal = new Vector3(); + const curNormal = new Vector3(); + const prevNormal = new Vector3(); + let dx = 0; + let dy = 0; + for (let j = 0; j <= points.length - 1; j++) { + switch (j) { + case 0: + dx = points[j + 1].x - points[j].x; + dy = points[j + 1].y - points[j].y; + normal.x = dy * 1; + normal.y = -dx; + normal.z = dy * 0; + prevNormal.copy(normal); + normal.normalize(); + initNormals.push(normal.x, normal.y, normal.z); + break; + case points.length - 1: + initNormals.push(prevNormal.x, prevNormal.y, prevNormal.z); + break; + default: + dx = points[j + 1].x - points[j].x; + dy = points[j + 1].y - points[j].y; + normal.x = dy * 1; + normal.y = -dx; + normal.z = dy * 0; + curNormal.copy(normal); + normal.x += prevNormal.x; + normal.y += prevNormal.y; + normal.z += prevNormal.z; + normal.normalize(); + initNormals.push(normal.x, normal.y, normal.z); + prevNormal.copy(curNormal); + } + } + for (let i = 0; i <= segments; i++) { + const phi = phiStart + i * inverseSegments * phiLength; + const sin = Math.sin(phi); + const cos = Math.cos(phi); + for (let j = 0; j <= points.length - 1; j++) { + vertex2.x = points[j].x * sin; + vertex2.y = points[j].y; + vertex2.z = points[j].x * cos; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + uv.x = i / segments; + uv.y = j / (points.length - 1); + uvs.push(uv.x, uv.y); + const x = initNormals[3 * j + 0] * sin; + const y = initNormals[3 * j + 1]; + const z = initNormals[3 * j + 0] * cos; + normals.push(x, y, z); + } + } + for (let i = 0; i < segments; i++) { + for (let j = 0; j < points.length - 1; j++) { + const base = j + i * points.length; + const a = base; + const b = base + points.length; + const c = base + points.length + 1; + const d = base + 1; + indices.push(a, b, d); + indices.push(c, d, b); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {LatheGeometry} A new instance. + */ + static fromJSON(data) { + return new _LatheGeometry(data.points, data.segments, data.phiStart, data.phiLength); + } +}; +var OctahedronGeometry = class _OctahedronGeometry extends PolyhedronGeometry { + /** + * Constructs a new octahedron geometry. + * + * @param {number} [radius=1] - Radius of the octahedron. + * @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a octahedron. + */ + constructor(radius = 1, detail = 0) { + const vertices = [ + 1, + 0, + 0, + -1, + 0, + 0, + 0, + 1, + 0, + 0, + -1, + 0, + 0, + 0, + 1, + 0, + 0, + -1 + ]; + const indices = [ + 0, + 2, + 4, + 0, + 4, + 3, + 0, + 3, + 5, + 0, + 5, + 2, + 1, + 2, + 5, + 1, + 5, + 3, + 1, + 3, + 4, + 1, + 4, + 2 + ]; + super(vertices, indices, radius, detail); + this.type = "OctahedronGeometry"; + this.parameters = { + radius, + detail + }; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {OctahedronGeometry} A new instance. + */ + static fromJSON(data) { + return new _OctahedronGeometry(data.radius, data.detail); + } +}; +var PlaneGeometry = class _PlaneGeometry extends BufferGeometry { + /** + * Constructs a new plane geometry. + * + * @param {number} [width=1] - The width along the X axis. + * @param {number} [height=1] - The height along the Y axis + * @param {number} [widthSegments=1] - The number of segments along the X axis. + * @param {number} [heightSegments=1] - The number of segments along the Y axis. + */ + constructor(width = 1, height = 1, widthSegments = 1, heightSegments = 1) { + super(); + this.type = "PlaneGeometry"; + this.parameters = { + width, + height, + widthSegments, + heightSegments + }; + const width_half = width / 2; + const height_half = height / 2; + const gridX = Math.floor(widthSegments); + const gridY = Math.floor(heightSegments); + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + const segment_width = width / gridX; + const segment_height = height / gridY; + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + for (let iy = 0; iy < gridY1; iy++) { + const y = iy * segment_height - height_half; + for (let ix = 0; ix < gridX1; ix++) { + const x = ix * segment_width - width_half; + vertices.push(x, -y, 0); + normals.push(0, 0, 1); + uvs.push(ix / gridX); + uvs.push(1 - iy / gridY); + } + } + for (let iy = 0; iy < gridY; iy++) { + for (let ix = 0; ix < gridX; ix++) { + const a = ix + gridX1 * iy; + const b = ix + gridX1 * (iy + 1); + const c = ix + 1 + gridX1 * (iy + 1); + const d = ix + 1 + gridX1 * iy; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {PlaneGeometry} A new instance. + */ + static fromJSON(data) { + return new _PlaneGeometry(data.width, data.height, data.widthSegments, data.heightSegments); + } +}; +var RingGeometry = class _RingGeometry extends BufferGeometry { + /** + * Constructs a new ring geometry. + * + * @param {number} [innerRadius=0.5] - The inner radius of the ring. + * @param {number} [outerRadius=1] - The outer radius of the ring. + * @param {number} [thetaSegments=32] - Number of segments. A higher number means the ring will be more round. Minimum is `3`. + * @param {number} [phiSegments=1] - Number of segments per ring segment. Minimum is `1`. + * @param {number} [thetaStart=0] - Starting angle in radians. + * @param {number} [thetaLength=Math.PI*2] - Central angle in radians. + */ + constructor(innerRadius = 0.5, outerRadius = 1, thetaSegments = 32, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2) { + super(); + this.type = "RingGeometry"; + this.parameters = { + innerRadius, + outerRadius, + thetaSegments, + phiSegments, + thetaStart, + thetaLength + }; + thetaSegments = Math.max(3, thetaSegments); + phiSegments = Math.max(1, phiSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let radius = innerRadius; + const radiusStep = (outerRadius - innerRadius) / phiSegments; + const vertex2 = new Vector3(); + const uv = new Vector2(); + for (let j = 0; j <= phiSegments; j++) { + for (let i = 0; i <= thetaSegments; i++) { + const segment = thetaStart + i / thetaSegments * thetaLength; + vertex2.x = radius * Math.cos(segment); + vertex2.y = radius * Math.sin(segment); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normals.push(0, 0, 1); + uv.x = (vertex2.x / outerRadius + 1) / 2; + uv.y = (vertex2.y / outerRadius + 1) / 2; + uvs.push(uv.x, uv.y); + } + radius += radiusStep; + } + for (let j = 0; j < phiSegments; j++) { + const thetaSegmentLevel = j * (thetaSegments + 1); + for (let i = 0; i < thetaSegments; i++) { + const segment = i + thetaSegmentLevel; + const a = segment; + const b = segment + thetaSegments + 1; + const c = segment + thetaSegments + 2; + const d = segment + 1; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {RingGeometry} A new instance. + */ + static fromJSON(data) { + return new _RingGeometry(data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength); + } +}; +var ShapeGeometry = class _ShapeGeometry extends BufferGeometry { + /** + * Constructs a new shape geometry. + * + * @param {Shape|Array} [shapes] - A shape or an array of shapes. + * @param {number} [curveSegments=12] - Number of segments per shape. + */ + constructor(shapes = new Shape([new Vector2(0, 0.5), new Vector2(-0.5, -0.5), new Vector2(0.5, -0.5)]), curveSegments = 12) { + super(); + this.type = "ShapeGeometry"; + this.parameters = { + shapes, + curveSegments + }; + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let groupStart = 0; + let groupCount = 0; + if (Array.isArray(shapes) === false) { + addShape(shapes); + } else { + for (let i = 0; i < shapes.length; i++) { + addShape(shapes[i]); + this.addGroup(groupStart, groupCount, i); + groupStart += groupCount; + groupCount = 0; + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function addShape(shape) { + const indexOffset = vertices.length / 3; + const points = shape.extractPoints(curveSegments); + let shapeVertices = points.shape; + const shapeHoles = points.holes; + if (ShapeUtils.isClockWise(shapeVertices) === false) { + shapeVertices = shapeVertices.reverse(); + } + for (let i = 0, l = shapeHoles.length; i < l; i++) { + const shapeHole = shapeHoles[i]; + if (ShapeUtils.isClockWise(shapeHole) === true) { + shapeHoles[i] = shapeHole.reverse(); + } + } + const faces = ShapeUtils.triangulateShape(shapeVertices, shapeHoles); + for (let i = 0, l = shapeHoles.length; i < l; i++) { + const shapeHole = shapeHoles[i]; + shapeVertices = shapeVertices.concat(shapeHole); + } + for (let i = 0, l = shapeVertices.length; i < l; i++) { + const vertex2 = shapeVertices[i]; + vertices.push(vertex2.x, vertex2.y, 0); + normals.push(0, 0, 1); + uvs.push(vertex2.x, vertex2.y); + } + for (let i = 0, l = faces.length; i < l; i++) { + const face = faces[i]; + const a = face[0] + indexOffset; + const b = face[1] + indexOffset; + const c = face[2] + indexOffset; + indices.push(a, b, c); + groupCount += 3; + } + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + toJSON() { + const data = super.toJSON(); + const shapes = this.parameters.shapes; + return toJSON(shapes, data); + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @param {Array} shapes - An array of shapes. + * @return {ShapeGeometry} A new instance. + */ + static fromJSON(data, shapes) { + const geometryShapes = []; + for (let j = 0, jl = data.shapes.length; j < jl; j++) { + const shape = shapes[data.shapes[j]]; + geometryShapes.push(shape); + } + return new _ShapeGeometry(geometryShapes, data.curveSegments); + } +}; +function toJSON(shapes, data) { + data.shapes = []; + if (Array.isArray(shapes)) { + for (let i = 0, l = shapes.length; i < l; i++) { + const shape = shapes[i]; + data.shapes.push(shape.uuid); + } + } else { + data.shapes.push(shapes.uuid); + } + return data; +} +var SphereGeometry = class _SphereGeometry extends BufferGeometry { + /** + * Constructs a new sphere geometry. + * + * @param {number} [radius=1] - The sphere radius. + * @param {number} [widthSegments=32] - The number of horizontal segments. Minimum value is `3`. + * @param {number} [heightSegments=16] - The number of vertical segments. Minimum value is `2`. + * @param {number} [phiStart=0] - The horizontal starting angle in radians. + * @param {number} [phiLength=Math.PI*2] - The horizontal sweep angle size. + * @param {number} [thetaStart=0] - The vertical starting angle in radians. + * @param {number} [thetaLength=Math.PI] - The vertical sweep angle size. + */ + constructor(radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI) { + super(); + this.type = "SphereGeometry"; + this.parameters = { + radius, + widthSegments, + heightSegments, + phiStart, + phiLength, + thetaStart, + thetaLength + }; + widthSegments = Math.max(3, Math.floor(widthSegments)); + heightSegments = Math.max(2, Math.floor(heightSegments)); + const thetaEnd = Math.min(thetaStart + thetaLength, Math.PI); + let index = 0; + const grid = []; + const vertex2 = new Vector3(); + const normal = new Vector3(); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + for (let iy = 0; iy <= heightSegments; iy++) { + const verticesRow = []; + const v = iy / heightSegments; + let uOffset = 0; + if (iy === 0 && thetaStart === 0) { + uOffset = 0.5 / widthSegments; + } else if (iy === heightSegments && thetaEnd === Math.PI) { + uOffset = -0.5 / widthSegments; + } + for (let ix = 0; ix <= widthSegments; ix++) { + const u = ix / widthSegments; + vertex2.x = -radius * Math.cos(phiStart + u * phiLength) * Math.sin(thetaStart + v * thetaLength); + vertex2.y = radius * Math.cos(thetaStart + v * thetaLength); + vertex2.z = radius * Math.sin(phiStart + u * phiLength) * Math.sin(thetaStart + v * thetaLength); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normal.copy(vertex2).normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(u + uOffset, 1 - v); + verticesRow.push(index++); + } + grid.push(verticesRow); + } + for (let iy = 0; iy < heightSegments; iy++) { + for (let ix = 0; ix < widthSegments; ix++) { + const a = grid[iy][ix + 1]; + const b = grid[iy][ix]; + const c = grid[iy + 1][ix]; + const d = grid[iy + 1][ix + 1]; + if (iy !== 0 || thetaStart > 0) indices.push(a, b, d); + if (iy !== heightSegments - 1 || thetaEnd < Math.PI) indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {SphereGeometry} A new instance. + */ + static fromJSON(data) { + return new _SphereGeometry(data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength); + } +}; +var TetrahedronGeometry = class _TetrahedronGeometry extends PolyhedronGeometry { + /** + * Constructs a new tetrahedron geometry. + * + * @param {number} [radius=1] - Radius of the tetrahedron. + * @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a tetrahedron. + */ + constructor(radius = 1, detail = 0) { + const vertices = [ + 1, + 1, + 1, + -1, + -1, + 1, + -1, + 1, + -1, + 1, + -1, + -1 + ]; + const indices = [ + 2, + 1, + 0, + 0, + 3, + 2, + 1, + 3, + 0, + 2, + 3, + 1 + ]; + super(vertices, indices, radius, detail); + this.type = "TetrahedronGeometry"; + this.parameters = { + radius, + detail + }; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {TetrahedronGeometry} A new instance. + */ + static fromJSON(data) { + return new _TetrahedronGeometry(data.radius, data.detail); + } +}; +var TorusGeometry = class _TorusGeometry extends BufferGeometry { + /** + * Constructs a new torus geometry. + * + * @param {number} [radius=1] - Radius of the torus, from the center of the torus to the center of the tube. + * @param {number} [tube=0.4] - Radius of the tube. Must be smaller than `radius`. + * @param {number} [radialSegments=12] - The number of radial segments. + * @param {number} [tubularSegments=48] - The number of tubular segments. + * @param {number} [arc=Math.PI*2] - Central angle in radians. + */ + constructor(radius = 1, tube = 0.4, radialSegments = 12, tubularSegments = 48, arc = Math.PI * 2) { + super(); + this.type = "TorusGeometry"; + this.parameters = { + radius, + tube, + radialSegments, + tubularSegments, + arc + }; + radialSegments = Math.floor(radialSegments); + tubularSegments = Math.floor(tubularSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const center = new Vector3(); + const vertex2 = new Vector3(); + const normal = new Vector3(); + for (let j = 0; j <= radialSegments; j++) { + for (let i = 0; i <= tubularSegments; i++) { + const u = i / tubularSegments * arc; + const v = j / radialSegments * Math.PI * 2; + vertex2.x = (radius + tube * Math.cos(v)) * Math.cos(u); + vertex2.y = (radius + tube * Math.cos(v)) * Math.sin(u); + vertex2.z = tube * Math.sin(v); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + center.x = radius * Math.cos(u); + center.y = radius * Math.sin(u); + normal.subVectors(vertex2, center).normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(i / tubularSegments); + uvs.push(j / radialSegments); + } + } + for (let j = 1; j <= radialSegments; j++) { + for (let i = 1; i <= tubularSegments; i++) { + const a = (tubularSegments + 1) * j + i - 1; + const b = (tubularSegments + 1) * (j - 1) + i - 1; + const c = (tubularSegments + 1) * (j - 1) + i; + const d = (tubularSegments + 1) * j + i; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {TorusGeometry} A new instance. + */ + static fromJSON(data) { + return new _TorusGeometry(data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc); + } +}; +var TorusKnotGeometry = class _TorusKnotGeometry extends BufferGeometry { + /** + * Constructs a new torus knot geometry. + * + * @param {number} [radius=1] - Radius of the torus knot. + * @param {number} [tube=0.4] - Radius of the tube. + * @param {number} [tubularSegments=64] - The number of tubular segments. + * @param {number} [radialSegments=8] - The number of radial segments. + * @param {number} [p=2] - This value determines, how many times the geometry winds around its axis of rotational symmetry. + * @param {number} [q=3] - This value determines, how many times the geometry winds around a circle in the interior of the torus. + */ + constructor(radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3) { + super(); + this.type = "TorusKnotGeometry"; + this.parameters = { + radius, + tube, + tubularSegments, + radialSegments, + p, + q + }; + tubularSegments = Math.floor(tubularSegments); + radialSegments = Math.floor(radialSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const vertex2 = new Vector3(); + const normal = new Vector3(); + const P1 = new Vector3(); + const P2 = new Vector3(); + const B = new Vector3(); + const T = new Vector3(); + const N = new Vector3(); + for (let i = 0; i <= tubularSegments; ++i) { + const u = i / tubularSegments * p * Math.PI * 2; + calculatePositionOnCurve(u, p, q, radius, P1); + calculatePositionOnCurve(u + 0.01, p, q, radius, P2); + T.subVectors(P2, P1); + N.addVectors(P2, P1); + B.crossVectors(T, N); + N.crossVectors(B, T); + B.normalize(); + N.normalize(); + for (let j = 0; j <= radialSegments; ++j) { + const v = j / radialSegments * Math.PI * 2; + const cx = -tube * Math.cos(v); + const cy = tube * Math.sin(v); + vertex2.x = P1.x + (cx * N.x + cy * B.x); + vertex2.y = P1.y + (cx * N.y + cy * B.y); + vertex2.z = P1.z + (cx * N.z + cy * B.z); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normal.subVectors(vertex2, P1).normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(i / tubularSegments); + uvs.push(j / radialSegments); + } + } + for (let j = 1; j <= tubularSegments; j++) { + for (let i = 1; i <= radialSegments; i++) { + const a = (radialSegments + 1) * (j - 1) + (i - 1); + const b = (radialSegments + 1) * j + (i - 1); + const c = (radialSegments + 1) * j + i; + const d = (radialSegments + 1) * (j - 1) + i; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function calculatePositionOnCurve(u, p2, q2, radius2, position) { + const cu = Math.cos(u); + const su = Math.sin(u); + const quOverP = q2 / p2 * u; + const cs = Math.cos(quOverP); + position.x = radius2 * (2 + cs) * 0.5 * cu; + position.y = radius2 * (2 + cs) * su * 0.5; + position.z = radius2 * Math.sin(quOverP) * 0.5; + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {TorusKnotGeometry} A new instance. + */ + static fromJSON(data) { + return new _TorusKnotGeometry(data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q); + } +}; +var TubeGeometry = class _TubeGeometry extends BufferGeometry { + /** + * Constructs a new tube geometry. + * + * @param {Curve} [path=QuadraticBezierCurve3] - A 3D curve defining the path of the tube. + * @param {number} [tubularSegments=64] - The number of segments that make up the tube. + * @param {number} [radius=1] -The radius of the tube. + * @param {number} [radialSegments=8] - The number of segments that make up the cross-section. + * @param {boolean} [closed=false] - Whether the tube is closed or not. + */ + constructor(path = new QuadraticBezierCurve3(new Vector3(-1, -1, 0), new Vector3(-1, 1, 0), new Vector3(1, 1, 0)), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false) { + super(); + this.type = "TubeGeometry"; + this.parameters = { + path, + tubularSegments, + radius, + radialSegments, + closed + }; + const frames = path.computeFrenetFrames(tubularSegments, closed); + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; + const vertex2 = new Vector3(); + const normal = new Vector3(); + const uv = new Vector2(); + let P = new Vector3(); + const vertices = []; + const normals = []; + const uvs = []; + const indices = []; + generateBufferData(); + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function generateBufferData() { + for (let i = 0; i < tubularSegments; i++) { + generateSegment(i); + } + generateSegment(closed === false ? tubularSegments : 0); + generateUVs(); + generateIndices(); + } + function generateSegment(i) { + P = path.getPointAt(i / tubularSegments, P); + const N = frames.normals[i]; + const B = frames.binormals[i]; + for (let j = 0; j <= radialSegments; j++) { + const v = j / radialSegments * Math.PI * 2; + const sin = Math.sin(v); + const cos = -Math.cos(v); + normal.x = cos * N.x + sin * B.x; + normal.y = cos * N.y + sin * B.y; + normal.z = cos * N.z + sin * B.z; + normal.normalize(); + normals.push(normal.x, normal.y, normal.z); + vertex2.x = P.x + radius * normal.x; + vertex2.y = P.y + radius * normal.y; + vertex2.z = P.z + radius * normal.z; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + } + } + function generateIndices() { + for (let j = 1; j <= tubularSegments; j++) { + for (let i = 1; i <= radialSegments; i++) { + const a = (radialSegments + 1) * (j - 1) + (i - 1); + const b = (radialSegments + 1) * j + (i - 1); + const c = (radialSegments + 1) * j + i; + const d = (radialSegments + 1) * (j - 1) + i; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + } + function generateUVs() { + for (let i = 0; i <= tubularSegments; i++) { + for (let j = 0; j <= radialSegments; j++) { + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + uvs.push(uv.x, uv.y); + } + } + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + toJSON() { + const data = super.toJSON(); + data.path = this.parameters.path.toJSON(); + return data; + } + /** + * Factory method for creating an instance of this class from the given + * JSON object. + * + * @param {Object} data - A JSON object representing the serialized geometry. + * @return {TubeGeometry} A new instance. + */ + static fromJSON(data) { + return new _TubeGeometry( + new Curves[data.path.type]().fromJSON(data.path), + data.tubularSegments, + data.radius, + data.radialSegments, + data.closed + ); + } +}; +var WireframeGeometry = class extends BufferGeometry { + /** + * Constructs a new wireframe geometry. + * + * @param {?BufferGeometry} [geometry=null] - The geometry. + */ + constructor(geometry = null) { + super(); + this.type = "WireframeGeometry"; + this.parameters = { + geometry + }; + if (geometry !== null) { + const vertices = []; + const edges = /* @__PURE__ */ new Set(); + const start = new Vector3(); + const end = new Vector3(); + if (geometry.index !== null) { + const position = geometry.attributes.position; + const indices = geometry.index; + let groups = geometry.groups; + if (groups.length === 0) { + groups = [{ start: 0, count: indices.count, materialIndex: 0 }]; + } + for (let o = 0, ol = groups.length; o < ol; ++o) { + const group = groups[o]; + const groupStart = group.start; + const groupCount = group.count; + for (let i = groupStart, l = groupStart + groupCount; i < l; i += 3) { + for (let j = 0; j < 3; j++) { + const index1 = indices.getX(i + j); + const index2 = indices.getX(i + (j + 1) % 3); + start.fromBufferAttribute(position, index1); + end.fromBufferAttribute(position, index2); + if (isUniqueEdge(start, end, edges) === true) { + vertices.push(start.x, start.y, start.z); + vertices.push(end.x, end.y, end.z); + } + } + } + } + } else { + const position = geometry.attributes.position; + for (let i = 0, l = position.count / 3; i < l; i++) { + for (let j = 0; j < 3; j++) { + const index1 = 3 * i + j; + const index2 = 3 * i + (j + 1) % 3; + start.fromBufferAttribute(position, index1); + end.fromBufferAttribute(position, index2); + if (isUniqueEdge(start, end, edges) === true) { + vertices.push(start.x, start.y, start.z); + vertices.push(end.x, end.y, end.z); + } + } + } + } + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } +}; +function isUniqueEdge(start, end, edges) { + const hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`; + const hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; + if (edges.has(hash1) === true || edges.has(hash2) === true) { + return false; + } else { + edges.add(hash1); + edges.add(hash2); + return true; + } +} +var Geometries = Object.freeze({ + __proto__: null, + BoxGeometry, + CapsuleGeometry, + CircleGeometry, + ConeGeometry, + CylinderGeometry, + DodecahedronGeometry, + EdgesGeometry, + ExtrudeGeometry, + IcosahedronGeometry, + LatheGeometry, + OctahedronGeometry, + PlaneGeometry, + PolyhedronGeometry, + RingGeometry, + ShapeGeometry, + SphereGeometry, + TetrahedronGeometry, + TorusGeometry, + TorusKnotGeometry, + TubeGeometry, + WireframeGeometry +}); +var ShadowMaterial = class extends Material { + /** + * Constructs a new shadow material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isShadowMaterial = true; + this.type = "ShadowMaterial"; + this.color = new Color(0); + this.transparent = true; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.fog = source.fog; + return this; + } +}; +var RawShaderMaterial = class extends ShaderMaterial { + /** + * Constructs a new raw shader material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(parameters); + this.isRawShaderMaterial = true; + this.type = "RawShaderMaterial"; + } +}; +var MeshStandardMaterial = class extends Material { + /** + * Constructs a new mesh standard material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshStandardMaterial = true; + this.type = "MeshStandardMaterial"; + this.defines = { "STANDARD": "" }; + this.color = new Color(16777215); + this.roughness = 1; + this.metalness = 0; + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.emissive = new Color(0); + this.emissiveIntensity = 1; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.roughnessMap = null; + this.metalnessMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapRotation = new Euler(); + this.envMapIntensity = 1; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.flatShading = false; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.defines = { "STANDARD": "" }; + this.color.copy(source.color); + this.roughness = source.roughness; + this.metalness = source.metalness; + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy(source.emissive); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.roughnessMap = source.roughnessMap; + this.metalnessMap = source.metalnessMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapRotation.copy(source.envMapRotation); + this.envMapIntensity = source.envMapIntensity; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } +}; +var MeshPhysicalMaterial = class extends MeshStandardMaterial { + /** + * Constructs a new mesh physical material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshPhysicalMaterial = true; + this.defines = { + "STANDARD": "", + "PHYSICAL": "" + }; + this.type = "MeshPhysicalMaterial"; + this.anisotropyRotation = 0; + this.anisotropyMap = null; + this.clearcoatMap = null; + this.clearcoatRoughness = 0; + this.clearcoatRoughnessMap = null; + this.clearcoatNormalScale = new Vector2(1, 1); + this.clearcoatNormalMap = null; + this.ior = 1.5; + Object.defineProperty(this, "reflectivity", { + get: function() { + return clamp(2.5 * (this.ior - 1) / (this.ior + 1), 0, 1); + }, + set: function(reflectivity) { + this.ior = (1 + 0.4 * reflectivity) / (1 - 0.4 * reflectivity); + } + }); + this.iridescenceMap = null; + this.iridescenceIOR = 1.3; + this.iridescenceThicknessRange = [100, 400]; + this.iridescenceThicknessMap = null; + this.sheenColor = new Color(0); + this.sheenColorMap = null; + this.sheenRoughness = 1; + this.sheenRoughnessMap = null; + this.transmissionMap = null; + this.thickness = 0; + this.thicknessMap = null; + this.attenuationDistance = Infinity; + this.attenuationColor = new Color(1, 1, 1); + this.specularIntensity = 1; + this.specularIntensityMap = null; + this.specularColor = new Color(1, 1, 1); + this.specularColorMap = null; + this._anisotropy = 0; + this._clearcoat = 0; + this._dispersion = 0; + this._iridescence = 0; + this._sheen = 0; + this._transmission = 0; + this.setValues(parameters); + } + /** + * The anisotropy strength, from `0.0` to `1.0`. + * + * @type {number} + * @default 0 + */ + get anisotropy() { + return this._anisotropy; + } + set anisotropy(value) { + if (this._anisotropy > 0 !== value > 0) { + this.version++; + } + this._anisotropy = value; + } + /** + * Represents the intensity of the clear coat layer, from `0.0` to `1.0`. Use + * clear coat related properties to enable multilayer materials that have a + * thin translucent layer over the base layer. + * + * @type {number} + * @default 0 + */ + get clearcoat() { + return this._clearcoat; + } + set clearcoat(value) { + if (this._clearcoat > 0 !== value > 0) { + this.version++; + } + this._clearcoat = value; + } + /** + * The intensity of the iridescence layer, simulating RGB color shift based on the angle between + * the surface and the viewer, from `0.0` to `1.0`. + * + * @type {number} + * @default 0 + */ + get iridescence() { + return this._iridescence; + } + set iridescence(value) { + if (this._iridescence > 0 !== value > 0) { + this.version++; + } + this._iridescence = value; + } + /** + * Defines the strength of the angular separation of colors (chromatic aberration) transmitting + * through a relatively clear volume. Any value zero or larger is valid, the typical range of + * realistic values is `[0, 1]`. This property can be only be used with transmissive objects. + * + * @type {number} + * @default 0 + */ + get dispersion() { + return this._dispersion; + } + set dispersion(value) { + if (this._dispersion > 0 !== value > 0) { + this.version++; + } + this._dispersion = value; + } + /** + * The intensity of the sheen layer, from `0.0` to `1.0`. + * + * @type {number} + * @default 0 + */ + get sheen() { + return this._sheen; + } + set sheen(value) { + if (this._sheen > 0 !== value > 0) { + this.version++; + } + this._sheen = value; + } + /** + * Degree of transmission (or optical transparency), from `0.0` to `1.0`. + * + * Thin, transparent or semitransparent, plastic or glass materials remain + * largely reflective even if they are fully transmissive. The transmission + * property can be used to model these materials. + * + * When transmission is non-zero, `opacity` should be set to `1`. + * + * @type {number} + * @default 0 + */ + get transmission() { + return this._transmission; + } + set transmission(value) { + if (this._transmission > 0 !== value > 0) { + this.version++; + } + this._transmission = value; + } + copy(source) { + super.copy(source); + this.defines = { + "STANDARD": "", + "PHYSICAL": "" + }; + this.anisotropy = source.anisotropy; + this.anisotropyRotation = source.anisotropyRotation; + this.anisotropyMap = source.anisotropyMap; + this.clearcoat = source.clearcoat; + this.clearcoatMap = source.clearcoatMap; + this.clearcoatRoughness = source.clearcoatRoughness; + this.clearcoatRoughnessMap = source.clearcoatRoughnessMap; + this.clearcoatNormalMap = source.clearcoatNormalMap; + this.clearcoatNormalScale.copy(source.clearcoatNormalScale); + this.dispersion = source.dispersion; + this.ior = source.ior; + this.iridescence = source.iridescence; + this.iridescenceMap = source.iridescenceMap; + this.iridescenceIOR = source.iridescenceIOR; + this.iridescenceThicknessRange = [...source.iridescenceThicknessRange]; + this.iridescenceThicknessMap = source.iridescenceThicknessMap; + this.sheen = source.sheen; + this.sheenColor.copy(source.sheenColor); + this.sheenColorMap = source.sheenColorMap; + this.sheenRoughness = source.sheenRoughness; + this.sheenRoughnessMap = source.sheenRoughnessMap; + this.transmission = source.transmission; + this.transmissionMap = source.transmissionMap; + this.thickness = source.thickness; + this.thicknessMap = source.thicknessMap; + this.attenuationDistance = source.attenuationDistance; + this.attenuationColor.copy(source.attenuationColor); + this.specularIntensity = source.specularIntensity; + this.specularIntensityMap = source.specularIntensityMap; + this.specularColor.copy(source.specularColor); + this.specularColorMap = source.specularColorMap; + return this; + } +}; +var MeshPhongMaterial = class extends Material { + /** + * Constructs a new mesh phong material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshPhongMaterial = true; + this.type = "MeshPhongMaterial"; + this.color = new Color(16777215); + this.specular = new Color(1118481); + this.shininess = 30; + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.emissive = new Color(0); + this.emissiveIntensity = 1; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.flatShading = false; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.specular.copy(source.specular); + this.shininess = source.shininess; + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy(source.emissive); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapRotation.copy(source.envMapRotation); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } +}; +var MeshToonMaterial = class extends Material { + /** + * Constructs a new mesh toon material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshToonMaterial = true; + this.defines = { "TOON": "" }; + this.type = "MeshToonMaterial"; + this.color = new Color(16777215); + this.map = null; + this.gradientMap = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.emissive = new Color(0); + this.emissiveIntensity = 1; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.alphaMap = null; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.gradientMap = source.gradientMap; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy(source.emissive); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.alphaMap = source.alphaMap; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.fog = source.fog; + return this; + } +}; +var MeshNormalMaterial = class extends Material { + /** + * Constructs a new mesh normal material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshNormalMaterial = true; + this.type = "MeshNormalMaterial"; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.flatShading = false; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.flatShading = source.flatShading; + return this; + } +}; +var MeshLambertMaterial = class extends Material { + /** + * Constructs a new mesh lambert material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshLambertMaterial = true; + this.type = "MeshLambertMaterial"; + this.color = new Color(16777215); + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.emissive = new Color(0); + this.emissiveIntensity = 1; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.flatShading = false; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy(source.emissive); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapRotation.copy(source.envMapRotation); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } +}; +var MeshDepthMaterial = class extends Material { + /** + * Constructs a new mesh depth material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshDepthMaterial = true; + this.type = "MeshDepthMaterial"; + this.depthPacking = BasicDepthPacking; + this.map = null; + this.alphaMap = null; + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.depthPacking = source.depthPacking; + this.map = source.map; + this.alphaMap = source.alphaMap; + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + return this; + } +}; +var MeshDistanceMaterial = class extends Material { + /** + * Constructs a new mesh distance material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshDistanceMaterial = true; + this.type = "MeshDistanceMaterial"; + this.map = null; + this.alphaMap = null; + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + return this; + } +}; +var MeshMatcapMaterial = class extends Material { + /** + * Constructs a new mesh matcap material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isMeshMatcapMaterial = true; + this.defines = { "MATCAP": "" }; + this.type = "MeshMatcapMaterial"; + this.color = new Color(16777215); + this.matcap = null; + this.map = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.alphaMap = null; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.flatShading = false; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.defines = { "MATCAP": "" }; + this.color.copy(source.color); + this.matcap = source.matcap; + this.map = source.map; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.alphaMap = source.alphaMap; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } +}; +var LineDashedMaterial = class extends LineBasicMaterial { + /** + * Constructs a new line dashed material. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor(parameters) { + super(); + this.isLineDashedMaterial = true; + this.type = "LineDashedMaterial"; + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; + return this; + } +}; +function convertArray(array, type) { + if (!array || array.constructor === type) return array; + if (typeof type.BYTES_PER_ELEMENT === "number") { + return new type(array); + } + return Array.prototype.slice.call(array); +} +function isTypedArray(object) { + return ArrayBuffer.isView(object) && !(object instanceof DataView); +} +function getKeyframeOrder(times) { + function compareTime(i, j) { + return times[i] - times[j]; + } + const n = times.length; + const result = new Array(n); + for (let i = 0; i !== n; ++i) result[i] = i; + result.sort(compareTime); + return result; +} +function sortedArray(values, stride, order) { + const nValues = values.length; + const result = new values.constructor(nValues); + for (let i = 0, dstOffset = 0; dstOffset !== nValues; ++i) { + const srcOffset = order[i] * stride; + for (let j = 0; j !== stride; ++j) { + result[dstOffset++] = values[srcOffset + j]; + } + } + return result; +} +function flattenJSON(jsonKeys, times, values, valuePropertyName) { + let i = 1, key = jsonKeys[0]; + while (key !== void 0 && key[valuePropertyName] === void 0) { + key = jsonKeys[i++]; + } + if (key === void 0) return; + let value = key[valuePropertyName]; + if (value === void 0) return; + if (Array.isArray(value)) { + do { + value = key[valuePropertyName]; + if (value !== void 0) { + times.push(key.time); + values.push(...value); + } + key = jsonKeys[i++]; + } while (key !== void 0); + } else if (value.toArray !== void 0) { + do { + value = key[valuePropertyName]; + if (value !== void 0) { + times.push(key.time); + value.toArray(values, values.length); + } + key = jsonKeys[i++]; + } while (key !== void 0); + } else { + do { + value = key[valuePropertyName]; + if (value !== void 0) { + times.push(key.time); + values.push(value); + } + key = jsonKeys[i++]; + } while (key !== void 0); + } +} +function subclip(sourceClip, name, startFrame, endFrame, fps = 30) { + const clip = sourceClip.clone(); + clip.name = name; + const tracks = []; + for (let i = 0; i < clip.tracks.length; ++i) { + const track = clip.tracks[i]; + const valueSize = track.getValueSize(); + const times = []; + const values = []; + for (let j = 0; j < track.times.length; ++j) { + const frame = track.times[j] * fps; + if (frame < startFrame || frame >= endFrame) continue; + times.push(track.times[j]); + for (let k = 0; k < valueSize; ++k) { + values.push(track.values[j * valueSize + k]); + } + } + if (times.length === 0) continue; + track.times = convertArray(times, track.times.constructor); + track.values = convertArray(values, track.values.constructor); + tracks.push(track); + } + clip.tracks = tracks; + let minStartTime = Infinity; + for (let i = 0; i < clip.tracks.length; ++i) { + if (minStartTime > clip.tracks[i].times[0]) { + minStartTime = clip.tracks[i].times[0]; + } + } + for (let i = 0; i < clip.tracks.length; ++i) { + clip.tracks[i].shift(-1 * minStartTime); + } + clip.resetDuration(); + return clip; +} +function makeClipAdditive(targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30) { + if (fps <= 0) fps = 30; + const numTracks = referenceClip.tracks.length; + const referenceTime = referenceFrame / fps; + for (let i = 0; i < numTracks; ++i) { + const referenceTrack = referenceClip.tracks[i]; + const referenceTrackType = referenceTrack.ValueTypeName; + if (referenceTrackType === "bool" || referenceTrackType === "string") continue; + const targetTrack = targetClip.tracks.find(function(track) { + return track.name === referenceTrack.name && track.ValueTypeName === referenceTrackType; + }); + if (targetTrack === void 0) continue; + let referenceOffset = 0; + const referenceValueSize = referenceTrack.getValueSize(); + if (referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline) { + referenceOffset = referenceValueSize / 3; + } + let targetOffset = 0; + const targetValueSize = targetTrack.getValueSize(); + if (targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline) { + targetOffset = targetValueSize / 3; + } + const lastIndex = referenceTrack.times.length - 1; + let referenceValue; + if (referenceTime <= referenceTrack.times[0]) { + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + referenceValue = referenceTrack.values.slice(startIndex, endIndex); + } else if (referenceTime >= referenceTrack.times[lastIndex]) { + const startIndex = lastIndex * referenceValueSize + referenceOffset; + const endIndex = startIndex + referenceValueSize - referenceOffset; + referenceValue = referenceTrack.values.slice(startIndex, endIndex); + } else { + const interpolant = referenceTrack.createInterpolant(); + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + interpolant.evaluate(referenceTime); + referenceValue = interpolant.resultBuffer.slice(startIndex, endIndex); + } + if (referenceTrackType === "quaternion") { + const referenceQuat = new Quaternion().fromArray(referenceValue).normalize().conjugate(); + referenceQuat.toArray(referenceValue); + } + const numTimes = targetTrack.times.length; + for (let j = 0; j < numTimes; ++j) { + const valueStart = j * targetValueSize + targetOffset; + if (referenceTrackType === "quaternion") { + Quaternion.multiplyQuaternionsFlat( + targetTrack.values, + valueStart, + referenceValue, + 0, + targetTrack.values, + valueStart + ); + } else { + const valueEnd = targetValueSize - targetOffset * 2; + for (let k = 0; k < valueEnd; ++k) { + targetTrack.values[valueStart + k] -= referenceValue[k]; + } + } + } + } + targetClip.blendMode = AdditiveAnimationBlendMode; + return targetClip; +} +var AnimationUtils = class { + /** + * Converts an array to a specific type + * + * @static + * @param {TypedArray|Array} array - The array to convert. + * @param {TypedArray.constructor} type - The constructor of a type array. + * @return {TypedArray} The converted array + */ + static convertArray(array, type) { + return convertArray(array, type); + } + /** + * Returns `true` if the given object is a typed array. + * + * @static + * @param {any} object - The object to check. + * @return {boolean} Whether the given object is a typed array. + */ + static isTypedArray(object) { + return isTypedArray(object); + } + /** + * Returns an array by which times and values can be sorted. + * + * @static + * @param {Array} times - The keyframe time values. + * @return {Array} The array. + */ + static getKeyframeOrder(times) { + return getKeyframeOrder(times); + } + /** + * Sorts the given array by the previously computed order via `getKeyframeOrder()`. + * + * @static + * @param {Array} values - The values to sort. + * @param {number} stride - The stride. + * @param {Array} order - The sort order. + * @return {Array} The sorted values. + */ + static sortedArray(values, stride, order) { + return sortedArray(values, stride, order); + } + /** + * Used for parsing AOS keyframe formats. + * + * @static + * @param {Array} jsonKeys - A list of JSON keyframes. + * @param {Array} times - This array will be filled with keyframe times by this method. + * @param {Array} values - This array will be filled with keyframe values by this method. + * @param {string} valuePropertyName - The name of the property to use. + */ + static flattenJSON(jsonKeys, times, values, valuePropertyName) { + flattenJSON(jsonKeys, times, values, valuePropertyName); + } + /** + * Creates a new clip, containing only the segment of the original clip between the given frames. + * + * @static + * @param {AnimationClip} sourceClip - The values to sort. + * @param {string} name - The name of the clip. + * @param {number} startFrame - The start frame. + * @param {number} endFrame - The end frame. + * @param {number} [fps=30] - The FPS. + * @return {AnimationClip} The new sub clip. + */ + static subclip(sourceClip, name, startFrame, endFrame, fps = 30) { + return subclip(sourceClip, name, startFrame, endFrame, fps); + } + /** + * Converts the keyframes of the given animation clip to an additive format. + * + * @static + * @param {AnimationClip} targetClip - The clip to make additive. + * @param {number} [referenceFrame=0] - The reference frame. + * @param {AnimationClip} [referenceClip=targetClip] - The reference clip. + * @param {number} [fps=30] - The FPS. + * @return {AnimationClip} The updated clip which is now additive. + */ + static makeClipAdditive(targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30) { + return makeClipAdditive(targetClip, referenceFrame, referenceClip, fps); + } +}; +var Interpolant = class { + /** + * Constructs a new interpolant. + * + * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors. + * @param {TypedArray} sampleValues - The sample values. + * @param {number} sampleSize - The sample size + * @param {TypedArray} [resultBuffer] - The result buffer. + */ + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; + this.resultBuffer = resultBuffer !== void 0 ? resultBuffer : new sampleValues.constructor(sampleSize); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; + this.settings = null; + this.DefaultSettings_ = {}; + } + /** + * Evaluate the interpolant at position `t`. + * + * @param {number} t - The interpolation factor. + * @return {TypedArray} The result buffer. + */ + evaluate(t) { + const pp = this.parameterPositions; + let i1 = this._cachedIndex, t1 = pp[i1], t0 = pp[i1 - 1]; + validate_interval: { + seek: { + let right; + linear_scan: { + forward_scan: if (!(t < t1)) { + for (let giveUpAt = i1 + 2; ; ) { + if (t1 === void 0) { + if (t < t0) break forward_scan; + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_(i1 - 1); + } + if (i1 === giveUpAt) break; + t0 = t1; + t1 = pp[++i1]; + if (t < t1) { + break seek; + } + } + right = pp.length; + break linear_scan; + } + if (!(t >= t0)) { + const t1global = pp[1]; + if (t < t1global) { + i1 = 2; + t0 = t1global; + } + for (let giveUpAt = i1 - 2; ; ) { + if (t0 === void 0) { + this._cachedIndex = 0; + return this.copySampleValue_(0); + } + if (i1 === giveUpAt) break; + t1 = t0; + t0 = pp[--i1 - 1]; + if (t >= t0) { + break seek; + } + } + right = i1; + i1 = 0; + break linear_scan; + } + break validate_interval; + } + while (i1 < right) { + const mid = i1 + right >>> 1; + if (t < pp[mid]) { + right = mid; + } else { + i1 = mid + 1; + } + } + t1 = pp[i1]; + t0 = pp[i1 - 1]; + if (t0 === void 0) { + this._cachedIndex = 0; + return this.copySampleValue_(0); + } + if (t1 === void 0) { + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_(i1 - 1); + } + } + this._cachedIndex = i1; + this.intervalChanged_(i1, t0, t1); + } + return this.interpolate_(i1, t0, t, t1); + } + /** + * Returns the interpolation settings. + * + * @return {Object} The interpolation settings. + */ + getSettings_() { + return this.settings || this.DefaultSettings_; + } + /** + * Copies a sample value to the result buffer. + * + * @param {number} index - An index into the sample value buffer. + * @return {TypedArray} The result buffer. + */ + copySampleValue_(index) { + const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, offset = index * stride; + for (let i = 0; i !== stride; ++i) { + result[i] = values[offset + i]; + } + return result; + } + /** + * Copies a sample value to the result buffer. + * + * @abstract + * @param {number} i1 - An index into the sample value buffer. + * @param {number} t0 - The previous interpolation factor. + * @param {number} t - The current interpolation factor. + * @param {number} t1 - The next interpolation factor. + * @return {TypedArray} The result buffer. + */ + interpolate_() { + throw new Error("call to abstract method"); + } + /** + * Optional method that is executed when the interval has changed. + * + * @param {number} i1 - An index into the sample value buffer. + * @param {number} t0 - The previous interpolation factor. + * @param {number} t - The current interpolation factor. + */ + intervalChanged_() { + } +}; +var CubicInterpolant = class extends Interpolant { + /** + * Constructs a new cubic interpolant. + * + * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors. + * @param {TypedArray} sampleValues - The sample values. + * @param {number} sampleSize - The sample size + * @param {TypedArray} [resultBuffer] - The result buffer. + */ + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + this._weightPrev = -0; + this._offsetPrev = -0; + this._weightNext = -0; + this._offsetNext = -0; + this.DefaultSettings_ = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + } + intervalChanged_(i1, t0, t1) { + const pp = this.parameterPositions; + let iPrev = i1 - 2, iNext = i1 + 1, tPrev = pp[iPrev], tNext = pp[iNext]; + if (tPrev === void 0) { + switch (this.getSettings_().endingStart) { + case ZeroSlopeEnding: + iPrev = i1; + tPrev = 2 * t0 - t1; + break; + case WrapAroundEnding: + iPrev = pp.length - 2; + tPrev = t0 + pp[iPrev] - pp[iPrev + 1]; + break; + default: + iPrev = i1; + tPrev = t1; + } + } + if (tNext === void 0) { + switch (this.getSettings_().endingEnd) { + case ZeroSlopeEnding: + iNext = i1; + tNext = 2 * t1 - t0; + break; + case WrapAroundEnding: + iNext = 1; + tNext = t1 + pp[1] - pp[0]; + break; + default: + iNext = i1 - 1; + tNext = t0; + } + } + const halfDt = (t1 - t0) * 0.5, stride = this.valueSize; + this._weightPrev = halfDt / (t0 - tPrev); + this._weightNext = halfDt / (tNext - t1); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; + } + interpolate_(i1, t0, t, t1) { + const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, o1 = i1 * stride, o0 = o1 - stride, oP = this._offsetPrev, oN = this._offsetNext, wP = this._weightPrev, wN = this._weightNext, p = (t - t0) / (t1 - t0), pp = p * p, ppp = pp * p; + const sP = -wP * ppp + 2 * wP * pp - wP * p; + const s0 = (1 + wP) * ppp + (-1.5 - 2 * wP) * pp + (-0.5 + wP) * p + 1; + const s1 = (-1 - wN) * ppp + (1.5 + wN) * pp + 0.5 * p; + const sN = wN * ppp - wN * pp; + for (let i = 0; i !== stride; ++i) { + result[i] = sP * values[oP + i] + s0 * values[o0 + i] + s1 * values[o1 + i] + sN * values[oN + i]; + } + return result; + } +}; +var LinearInterpolant = class extends Interpolant { + /** + * Constructs a new linear interpolant. + * + * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors. + * @param {TypedArray} sampleValues - The sample values. + * @param {number} sampleSize - The sample size + * @param {TypedArray} [resultBuffer] - The result buffer. + */ + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + } + interpolate_(i1, t0, t, t1) { + const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, offset1 = i1 * stride, offset0 = offset1 - stride, weight1 = (t - t0) / (t1 - t0), weight0 = 1 - weight1; + for (let i = 0; i !== stride; ++i) { + result[i] = values[offset0 + i] * weight0 + values[offset1 + i] * weight1; + } + return result; + } +}; +var DiscreteInterpolant = class extends Interpolant { + /** + * Constructs a new discrete interpolant. + * + * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors. + * @param {TypedArray} sampleValues - The sample values. + * @param {number} sampleSize - The sample size + * @param {TypedArray} [resultBuffer] - The result buffer. + */ + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + } + interpolate_(i1) { + return this.copySampleValue_(i1 - 1); + } +}; +var KeyframeTrack = class { + /** + * Constructs a new keyframe track. + * + * @param {string} name - The keyframe track's name. + * @param {Array} times - A list of keyframe times. + * @param {Array} values - A list of keyframe values. + * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type. + */ + constructor(name, times, values, interpolation) { + if (name === void 0) throw new Error("THREE.KeyframeTrack: track name is undefined"); + if (times === void 0 || times.length === 0) throw new Error("THREE.KeyframeTrack: no keyframes in track named " + name); + this.name = name; + this.times = convertArray(times, this.TimeBufferType); + this.values = convertArray(values, this.ValueBufferType); + this.setInterpolation(interpolation || this.DefaultInterpolation); + } + /** + * Converts the keyframe track to JSON. + * + * @static + * @param {KeyframeTrack} track - The keyframe track to serialize. + * @return {Object} The serialized keyframe track as JSON. + */ + static toJSON(track) { + const trackType = track.constructor; + let json; + if (trackType.toJSON !== this.toJSON) { + json = trackType.toJSON(track); + } else { + json = { + "name": track.name, + "times": convertArray(track.times, Array), + "values": convertArray(track.values, Array) + }; + const interpolation = track.getInterpolation(); + if (interpolation !== track.DefaultInterpolation) { + json.interpolation = interpolation; + } + } + json.type = track.ValueTypeName; + return json; + } + /** + * Factory method for creating a new discrete interpolant. + * + * @static + * @param {TypedArray} [result] - The result buffer. + * @return {DiscreteInterpolant} The new interpolant. + */ + InterpolantFactoryMethodDiscrete(result) { + return new DiscreteInterpolant(this.times, this.values, this.getValueSize(), result); + } + /** + * Factory method for creating a new linear interpolant. + * + * @static + * @param {TypedArray} [result] - The result buffer. + * @return {LinearInterpolant} The new interpolant. + */ + InterpolantFactoryMethodLinear(result) { + return new LinearInterpolant(this.times, this.values, this.getValueSize(), result); + } + /** + * Factory method for creating a new smooth interpolant. + * + * @static + * @param {TypedArray} [result] - The result buffer. + * @return {CubicInterpolant} The new interpolant. + */ + InterpolantFactoryMethodSmooth(result) { + return new CubicInterpolant(this.times, this.values, this.getValueSize(), result); + } + /** + * Defines the interpolation factor method for this keyframe track. + * + * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} interpolation - The interpolation type. + * @return {KeyframeTrack} A reference to this keyframe track. + */ + setInterpolation(interpolation) { + let factoryMethod; + switch (interpolation) { + case InterpolateDiscrete: + factoryMethod = this.InterpolantFactoryMethodDiscrete; + break; + case InterpolateLinear: + factoryMethod = this.InterpolantFactoryMethodLinear; + break; + case InterpolateSmooth: + factoryMethod = this.InterpolantFactoryMethodSmooth; + break; + } + if (factoryMethod === void 0) { + const message = "unsupported interpolation for " + this.ValueTypeName + " keyframe track named " + this.name; + if (this.createInterpolant === void 0) { + if (interpolation !== this.DefaultInterpolation) { + this.setInterpolation(this.DefaultInterpolation); + } else { + throw new Error(message); + } + } + warn("KeyframeTrack:", message); + return this; + } + this.createInterpolant = factoryMethod; + return this; + } + /** + * Returns the current interpolation type. + * + * @return {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} The interpolation type. + */ + getInterpolation() { + switch (this.createInterpolant) { + case this.InterpolantFactoryMethodDiscrete: + return InterpolateDiscrete; + case this.InterpolantFactoryMethodLinear: + return InterpolateLinear; + case this.InterpolantFactoryMethodSmooth: + return InterpolateSmooth; + } + } + /** + * Returns the value size. + * + * @return {number} The value size. + */ + getValueSize() { + return this.values.length / this.times.length; + } + /** + * Moves all keyframes either forward or backward in time. + * + * @param {number} timeOffset - The offset to move the time values. + * @return {KeyframeTrack} A reference to this keyframe track. + */ + shift(timeOffset) { + if (timeOffset !== 0) { + const times = this.times; + for (let i = 0, n = times.length; i !== n; ++i) { + times[i] += timeOffset; + } + } + return this; + } + /** + * Scale all keyframe times by a factor (useful for frame - seconds conversions). + * + * @param {number} timeScale - The time scale. + * @return {KeyframeTrack} A reference to this keyframe track. + */ + scale(timeScale) { + if (timeScale !== 1) { + const times = this.times; + for (let i = 0, n = times.length; i !== n; ++i) { + times[i] *= timeScale; + } + } + return this; + } + /** + * Removes keyframes before and after animation without changing any values within the defined time range. + * + * Note: The method does not shift around keys to the start of the track time, because for interpolated + * keys this will change their values + * + * @param {number} startTime - The start time. + * @param {number} endTime - The end time. + * @return {KeyframeTrack} A reference to this keyframe track. + */ + trim(startTime, endTime) { + const times = this.times, nKeys = times.length; + let from = 0, to = nKeys - 1; + while (from !== nKeys && times[from] < startTime) { + ++from; + } + while (to !== -1 && times[to] > endTime) { + --to; + } + ++to; + if (from !== 0 || to !== nKeys) { + if (from >= to) { + to = Math.max(to, 1); + from = to - 1; + } + const stride = this.getValueSize(); + this.times = times.slice(from, to); + this.values = this.values.slice(from * stride, to * stride); + } + return this; + } + /** + * Performs minimal validation on the keyframe track. Returns `true` if the values + * are valid. + * + * @return {boolean} Whether the keyframes are valid or not. + */ + validate() { + let valid = true; + const valueSize = this.getValueSize(); + if (valueSize - Math.floor(valueSize) !== 0) { + error("KeyframeTrack: Invalid value size in track.", this); + valid = false; + } + const times = this.times, values = this.values, nKeys = times.length; + if (nKeys === 0) { + error("KeyframeTrack: Track is empty.", this); + valid = false; + } + let prevTime = null; + for (let i = 0; i !== nKeys; i++) { + const currTime = times[i]; + if (typeof currTime === "number" && isNaN(currTime)) { + error("KeyframeTrack: Time is not a valid number.", this, i, currTime); + valid = false; + break; + } + if (prevTime !== null && prevTime > currTime) { + error("KeyframeTrack: Out of order keys.", this, i, currTime, prevTime); + valid = false; + break; + } + prevTime = currTime; + } + if (values !== void 0) { + if (isTypedArray(values)) { + for (let i = 0, n = values.length; i !== n; ++i) { + const value = values[i]; + if (isNaN(value)) { + error("KeyframeTrack: Value is not a valid number.", this, i, value); + valid = false; + break; + } + } + } + } + return valid; + } + /** + * Optimizes this keyframe track by removing equivalent sequential keys (which are + * common in morph target sequences). + * + * @return {AnimationClip} A reference to this animation clip. + */ + optimize() { + const times = this.times.slice(), values = this.values.slice(), stride = this.getValueSize(), smoothInterpolation = this.getInterpolation() === InterpolateSmooth, lastIndex = times.length - 1; + let writeIndex = 1; + for (let i = 1; i < lastIndex; ++i) { + let keep = false; + const time = times[i]; + const timeNext = times[i + 1]; + if (time !== timeNext && (i !== 1 || time !== times[0])) { + if (!smoothInterpolation) { + const offset = i * stride, offsetP = offset - stride, offsetN = offset + stride; + for (let j = 0; j !== stride; ++j) { + const value = values[offset + j]; + if (value !== values[offsetP + j] || value !== values[offsetN + j]) { + keep = true; + break; + } + } + } else { + keep = true; + } + } + if (keep) { + if (i !== writeIndex) { + times[writeIndex] = times[i]; + const readOffset = i * stride, writeOffset = writeIndex * stride; + for (let j = 0; j !== stride; ++j) { + values[writeOffset + j] = values[readOffset + j]; + } + } + ++writeIndex; + } + } + if (lastIndex > 0) { + times[writeIndex] = times[lastIndex]; + for (let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++j) { + values[writeOffset + j] = values[readOffset + j]; + } + ++writeIndex; + } + if (writeIndex !== times.length) { + this.times = times.slice(0, writeIndex); + this.values = values.slice(0, writeIndex * stride); + } else { + this.times = times; + this.values = values; + } + return this; + } + /** + * Returns a new keyframe track with copied values from this instance. + * + * @return {KeyframeTrack} A clone of this instance. + */ + clone() { + const times = this.times.slice(); + const values = this.values.slice(); + const TypedKeyframeTrack = this.constructor; + const track = new TypedKeyframeTrack(this.name, times, values); + track.createInterpolant = this.createInterpolant; + return track; + } +}; +KeyframeTrack.prototype.ValueTypeName = ""; +KeyframeTrack.prototype.TimeBufferType = Float32Array; +KeyframeTrack.prototype.ValueBufferType = Float32Array; +KeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear; +var BooleanKeyframeTrack = class extends KeyframeTrack { + /** + * Constructs a new boolean keyframe track. + * + * This keyframe track type has no `interpolation` parameter because the + * interpolation is always discrete. + * + * @param {string} name - The keyframe track's name. + * @param {Array} times - A list of keyframe times. + * @param {Array} values - A list of keyframe values. + */ + constructor(name, times, values) { + super(name, times, values); + } +}; +BooleanKeyframeTrack.prototype.ValueTypeName = "bool"; +BooleanKeyframeTrack.prototype.ValueBufferType = Array; +BooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; +BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = void 0; +BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0; +var ColorKeyframeTrack = class extends KeyframeTrack { + /** + * Constructs a new color keyframe track. + * + * @param {string} name - The keyframe track's name. + * @param {Array} times - A list of keyframe times. + * @param {Array} values - A list of keyframe values. + * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type. + */ + constructor(name, times, values, interpolation) { + super(name, times, values, interpolation); + } +}; +ColorKeyframeTrack.prototype.ValueTypeName = "color"; +var NumberKeyframeTrack = class extends KeyframeTrack { + /** + * Constructs a new number keyframe track. + * + * @param {string} name - The keyframe track's name. + * @param {Array} times - A list of keyframe times. + * @param {Array} values - A list of keyframe values. + * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type. + */ + constructor(name, times, values, interpolation) { + super(name, times, values, interpolation); + } +}; +NumberKeyframeTrack.prototype.ValueTypeName = "number"; +var QuaternionLinearInterpolant = class extends Interpolant { + /** + * Constructs a new SLERP interpolant. + * + * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors. + * @param {TypedArray} sampleValues - The sample values. + * @param {number} sampleSize - The sample size + * @param {TypedArray} [resultBuffer] - The result buffer. + */ + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + } + interpolate_(i1, t0, t, t1) { + const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, alpha = (t - t0) / (t1 - t0); + let offset = i1 * stride; + for (let end = offset + stride; offset !== end; offset += 4) { + Quaternion.slerpFlat(result, 0, values, offset - stride, values, offset, alpha); + } + return result; + } +}; +var QuaternionKeyframeTrack = class extends KeyframeTrack { + /** + * Constructs a new Quaternion keyframe track. + * + * @param {string} name - The keyframe track's name. + * @param {Array} times - A list of keyframe times. + * @param {Array} values - A list of keyframe values. + * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type. + */ + constructor(name, times, values, interpolation) { + super(name, times, values, interpolation); + } + /** + * Overwritten so the method returns Quaternion based interpolant. + * + * @static + * @param {TypedArray} [result] - The result buffer. + * @return {QuaternionLinearInterpolant} The new interpolant. + */ + InterpolantFactoryMethodLinear(result) { + return new QuaternionLinearInterpolant(this.times, this.values, this.getValueSize(), result); + } +}; +QuaternionKeyframeTrack.prototype.ValueTypeName = "quaternion"; +QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0; +var StringKeyframeTrack = class extends KeyframeTrack { + /** + * Constructs a new string keyframe track. + * + * This keyframe track type has no `interpolation` parameter because the + * interpolation is always discrete. + * + * @param {string} name - The keyframe track's name. + * @param {Array} times - A list of keyframe times. + * @param {Array} values - A list of keyframe values. + */ + constructor(name, times, values) { + super(name, times, values); + } +}; +StringKeyframeTrack.prototype.ValueTypeName = "string"; +StringKeyframeTrack.prototype.ValueBufferType = Array; +StringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; +StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = void 0; +StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0; +var VectorKeyframeTrack = class extends KeyframeTrack { + /** + * Constructs a new vector keyframe track. + * + * @param {string} name - The keyframe track's name. + * @param {Array} times - A list of keyframe times. + * @param {Array} values - A list of keyframe values. + * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type. + */ + constructor(name, times, values, interpolation) { + super(name, times, values, interpolation); + } +}; +VectorKeyframeTrack.prototype.ValueTypeName = "vector"; +var AnimationClip = class { + /** + * Constructs a new animation clip. + * + * Note: Instead of instantiating an AnimationClip directly with the constructor, you can + * use the static interface of this class for creating clips. In most cases though, animation clips + * will automatically be created by loaders when importing animated 3D assets. + * + * @param {string} [name=''] - The clip's name. + * @param {number} [duration=-1] - The clip's duration in seconds. If a negative value is passed, + * the duration will be calculated from the passed keyframes. + * @param {Array} tracks - An array of keyframe tracks. + * @param {(NormalAnimationBlendMode|AdditiveAnimationBlendMode)} [blendMode=NormalAnimationBlendMode] - Defines how the animation + * is blended/combined when two or more animations are simultaneously played. + */ + constructor(name = "", duration = -1, tracks = [], blendMode = NormalAnimationBlendMode) { + this.name = name; + this.tracks = tracks; + this.duration = duration; + this.blendMode = blendMode; + this.uuid = generateUUID(); + this.userData = {}; + if (this.duration < 0) { + this.resetDuration(); + } + } + /** + * Factory method for creating an animation clip from the given JSON. + * + * @static + * @param {Object} json - The serialized animation clip. + * @return {AnimationClip} The new animation clip. + */ + static parse(json) { + const tracks = [], jsonTracks = json.tracks, frameTime = 1 / (json.fps || 1); + for (let i = 0, n = jsonTracks.length; i !== n; ++i) { + tracks.push(parseKeyframeTrack(jsonTracks[i]).scale(frameTime)); + } + const clip = new this(json.name, json.duration, tracks, json.blendMode); + clip.uuid = json.uuid; + clip.userData = JSON.parse(json.userData || "{}"); + return clip; + } + /** + * Serializes the given animation clip into JSON. + * + * @static + * @param {AnimationClip} clip - The animation clip to serialize. + * @return {Object} The JSON object. + */ + static toJSON(clip) { + const tracks = [], clipTracks = clip.tracks; + const json = { + "name": clip.name, + "duration": clip.duration, + "tracks": tracks, + "uuid": clip.uuid, + "blendMode": clip.blendMode, + "userData": JSON.stringify(clip.userData) + }; + for (let i = 0, n = clipTracks.length; i !== n; ++i) { + tracks.push(KeyframeTrack.toJSON(clipTracks[i])); + } + return json; + } + /** + * Returns a new animation clip from the passed morph targets array of a + * geometry, taking a name and the number of frames per second. + * + * Note: The fps parameter is required, but the animation speed can be + * overridden via {@link AnimationAction#setDuration}. + * + * @static + * @param {string} name - The name of the animation clip. + * @param {Array} morphTargetSequence - A sequence of morph targets. + * @param {number} fps - The Frames-Per-Second value. + * @param {boolean} noLoop - Whether the clip should be no loop or not. + * @return {AnimationClip} The new animation clip. + */ + static CreateFromMorphTargetSequence(name, morphTargetSequence, fps, noLoop) { + const numMorphTargets = morphTargetSequence.length; + const tracks = []; + for (let i = 0; i < numMorphTargets; i++) { + let times = []; + let values = []; + times.push( + (i + numMorphTargets - 1) % numMorphTargets, + i, + (i + 1) % numMorphTargets + ); + values.push(0, 1, 0); + const order = getKeyframeOrder(times); + times = sortedArray(times, 1, order); + values = sortedArray(values, 1, order); + if (!noLoop && times[0] === 0) { + times.push(numMorphTargets); + values.push(values[0]); + } + tracks.push( + new NumberKeyframeTrack( + ".morphTargetInfluences[" + morphTargetSequence[i].name + "]", + times, + values + ).scale(1 / fps) + ); + } + return new this(name, -1, tracks); + } + /** + * Searches for an animation clip by name, taking as its first parameter + * either an array of clips, or a mesh or geometry that contains an + * array named "animations" property. + * + * @static + * @param {(Array|Object3D)} objectOrClipArray - The array or object to search through. + * @param {string} name - The name to search for. + * @return {?AnimationClip} The found animation clip. Returns `null` if no clip has been found. + */ + static findByName(objectOrClipArray, name) { + let clipArray = objectOrClipArray; + if (!Array.isArray(objectOrClipArray)) { + const o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; + } + for (let i = 0; i < clipArray.length; i++) { + if (clipArray[i].name === name) { + return clipArray[i]; + } + } + return null; + } + /** + * Returns an array of new AnimationClips created from the morph target + * sequences of a geometry, trying to sort morph target names into + * animation-group-based patterns like "Walk_001, Walk_002, Run_001, Run_002...". + * + * See {@link MD2Loader#parse} as an example for how the method should be used. + * + * @static + * @param {Array} morphTargets - A sequence of morph targets. + * @param {number} fps - The Frames-Per-Second value. + * @param {boolean} noLoop - Whether the clip should be no loop or not. + * @return {Array} An array of new animation clips. + */ + static CreateClipsFromMorphTargetSequences(morphTargets, fps, noLoop) { + const animationToMorphTargets = {}; + const pattern = /^([\w-]*?)([\d]+)$/; + for (let i = 0, il = morphTargets.length; i < il; i++) { + const morphTarget = morphTargets[i]; + const parts = morphTarget.name.match(pattern); + if (parts && parts.length > 1) { + const name = parts[1]; + let animationMorphTargets = animationToMorphTargets[name]; + if (!animationMorphTargets) { + animationToMorphTargets[name] = animationMorphTargets = []; + } + animationMorphTargets.push(morphTarget); + } + } + const clips = []; + for (const name in animationToMorphTargets) { + clips.push(this.CreateFromMorphTargetSequence(name, animationToMorphTargets[name], fps, noLoop)); + } + return clips; + } + /** + * Parses the `animation.hierarchy` format and returns a new animation clip. + * + * @static + * @deprecated since r175. + * @param {Object} animation - A serialized animation clip as JSON. + * @param {Array} bones - An array of bones. + * @return {?AnimationClip} The new animation clip. + */ + static parseAnimation(animation, bones) { + warn("AnimationClip: parseAnimation() is deprecated and will be removed with r185"); + if (!animation) { + error("AnimationClip: No animation in JSONLoader data."); + return null; + } + const addNonemptyTrack = function(trackType, trackName, animationKeys, propertyName, destTracks) { + if (animationKeys.length !== 0) { + const times = []; + const values = []; + flattenJSON(animationKeys, times, values, propertyName); + if (times.length !== 0) { + destTracks.push(new trackType(trackName, times, values)); + } + } + }; + const tracks = []; + const clipName = animation.name || "default"; + const fps = animation.fps || 30; + const blendMode = animation.blendMode; + let duration = animation.length || -1; + const hierarchyTracks = animation.hierarchy || []; + for (let h = 0; h < hierarchyTracks.length; h++) { + const animationKeys = hierarchyTracks[h].keys; + if (!animationKeys || animationKeys.length === 0) continue; + if (animationKeys[0].morphTargets) { + const morphTargetNames = {}; + let k; + for (k = 0; k < animationKeys.length; k++) { + if (animationKeys[k].morphTargets) { + for (let m = 0; m < animationKeys[k].morphTargets.length; m++) { + morphTargetNames[animationKeys[k].morphTargets[m]] = -1; + } + } + } + for (const morphTargetName in morphTargetNames) { + const times = []; + const values = []; + for (let m = 0; m !== animationKeys[k].morphTargets.length; ++m) { + const animationKey = animationKeys[k]; + times.push(animationKey.time); + values.push(animationKey.morphTarget === morphTargetName ? 1 : 0); + } + tracks.push(new NumberKeyframeTrack(".morphTargetInfluence[" + morphTargetName + "]", times, values)); + } + duration = morphTargetNames.length * fps; + } else { + const boneName = ".bones[" + bones[h].name + "]"; + addNonemptyTrack( + VectorKeyframeTrack, + boneName + ".position", + animationKeys, + "pos", + tracks + ); + addNonemptyTrack( + QuaternionKeyframeTrack, + boneName + ".quaternion", + animationKeys, + "rot", + tracks + ); + addNonemptyTrack( + VectorKeyframeTrack, + boneName + ".scale", + animationKeys, + "scl", + tracks + ); + } + } + if (tracks.length === 0) { + return null; + } + const clip = new this(clipName, duration, tracks, blendMode); + return clip; + } + /** + * Sets the duration of this clip to the duration of its longest keyframe track. + * + * @return {AnimationClip} A reference to this animation clip. + */ + resetDuration() { + const tracks = this.tracks; + let duration = 0; + for (let i = 0, n = tracks.length; i !== n; ++i) { + const track = this.tracks[i]; + duration = Math.max(duration, track.times[track.times.length - 1]); + } + this.duration = duration; + return this; + } + /** + * Trims all tracks to the clip's duration. + * + * @return {AnimationClip} A reference to this animation clip. + */ + trim() { + for (let i = 0; i < this.tracks.length; i++) { + this.tracks[i].trim(0, this.duration); + } + return this; + } + /** + * Performs minimal validation on each track in the clip. Returns `true` if all + * tracks are valid. + * + * @return {boolean} Whether the clip's keyframes are valid or not. + */ + validate() { + let valid = true; + for (let i = 0; i < this.tracks.length; i++) { + valid = valid && this.tracks[i].validate(); + } + return valid; + } + /** + * Optimizes each track by removing equivalent sequential keys (which are + * common in morph target sequences). + * + * @return {AnimationClip} A reference to this animation clip. + */ + optimize() { + for (let i = 0; i < this.tracks.length; i++) { + this.tracks[i].optimize(); + } + return this; + } + /** + * Returns a new animation clip with copied values from this instance. + * + * @return {AnimationClip} A clone of this instance. + */ + clone() { + const tracks = []; + for (let i = 0; i < this.tracks.length; i++) { + tracks.push(this.tracks[i].clone()); + } + const clip = new this.constructor(this.name, this.duration, tracks, this.blendMode); + clip.userData = JSON.parse(JSON.stringify(this.userData)); + return clip; + } + /** + * Serializes this animation clip into JSON. + * + * @return {Object} The JSON object. + */ + toJSON() { + return this.constructor.toJSON(this); + } +}; +function getTrackTypeForValueTypeName(typeName) { + switch (typeName.toLowerCase()) { + case "scalar": + case "double": + case "float": + case "number": + case "integer": + return NumberKeyframeTrack; + case "vector": + case "vector2": + case "vector3": + case "vector4": + return VectorKeyframeTrack; + case "color": + return ColorKeyframeTrack; + case "quaternion": + return QuaternionKeyframeTrack; + case "bool": + case "boolean": + return BooleanKeyframeTrack; + case "string": + return StringKeyframeTrack; + } + throw new Error("THREE.KeyframeTrack: Unsupported typeName: " + typeName); +} +function parseKeyframeTrack(json) { + if (json.type === void 0) { + throw new Error("THREE.KeyframeTrack: track type undefined, can not parse"); + } + const trackType = getTrackTypeForValueTypeName(json.type); + if (json.times === void 0) { + const times = [], values = []; + flattenJSON(json.keys, times, values, "value"); + json.times = times; + json.values = values; + } + if (trackType.parse !== void 0) { + return trackType.parse(json); + } else { + return new trackType(json.name, json.times, json.values, json.interpolation); + } +} +var Cache = { + /** + * Whether caching is enabled or not. + * + * @static + * @type {boolean} + * @default false + */ + enabled: false, + /** + * A dictionary that holds cached files. + * + * @static + * @type {Object} + */ + files: {}, + /** + * Adds a cache entry with a key to reference the file. If this key already + * holds a file, it is overwritten. + * + * @static + * @param {string} key - The key to reference the cached file. + * @param {Object} file - The file to be cached. + */ + add: function(key, file) { + if (this.enabled === false) return; + this.files[key] = file; + }, + /** + * Gets the cached value for the given key. + * + * @static + * @param {string} key - The key to reference the cached file. + * @return {Object|undefined} The cached file. If the key does not exist `undefined` is returned. + */ + get: function(key) { + if (this.enabled === false) return; + return this.files[key]; + }, + /** + * Removes the cached file associated with the given key. + * + * @static + * @param {string} key - The key to reference the cached file. + */ + remove: function(key) { + delete this.files[key]; + }, + /** + * Remove all values from the cache. + * + * @static + */ + clear: function() { + this.files = {}; + } +}; +var LoadingManager = class { + /** + * Constructs a new loading manager. + * + * @param {Function} [onLoad] - Executes when all items have been loaded. + * @param {Function} [onProgress] - Executes when single items have been loaded. + * @param {Function} [onError] - Executes when an error occurs. + */ + constructor(onLoad, onProgress, onError) { + const scope = this; + let isLoading = false; + let itemsLoaded = 0; + let itemsTotal = 0; + let urlModifier = void 0; + const handlers = []; + this.onStart = void 0; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; + this._abortController = null; + this.itemStart = function(url) { + itemsTotal++; + if (isLoading === false) { + if (scope.onStart !== void 0) { + scope.onStart(url, itemsLoaded, itemsTotal); + } + } + isLoading = true; + }; + this.itemEnd = function(url) { + itemsLoaded++; + if (scope.onProgress !== void 0) { + scope.onProgress(url, itemsLoaded, itemsTotal); + } + if (itemsLoaded === itemsTotal) { + isLoading = false; + if (scope.onLoad !== void 0) { + scope.onLoad(); + } + } + }; + this.itemError = function(url) { + if (scope.onError !== void 0) { + scope.onError(url); + } + }; + this.resolveURL = function(url) { + if (urlModifier) { + return urlModifier(url); + } + return url; + }; + this.setURLModifier = function(transform) { + urlModifier = transform; + return this; + }; + this.addHandler = function(regex, loader) { + handlers.push(regex, loader); + return this; + }; + this.removeHandler = function(regex) { + const index = handlers.indexOf(regex); + if (index !== -1) { + handlers.splice(index, 2); + } + return this; + }; + this.getHandler = function(file) { + for (let i = 0, l = handlers.length; i < l; i += 2) { + const regex = handlers[i]; + const loader = handlers[i + 1]; + if (regex.global) regex.lastIndex = 0; + if (regex.test(file)) { + return loader; + } + } + return null; + }; + this.abort = function() { + this.abortController.abort(); + this._abortController = null; + return this; + }; + } + // TODO: Revert this back to a single member variable once this issue has been fixed + // https://github.com/cloudflare/workerd/issues/3657 + /** + * Used for aborting ongoing requests in loaders using this manager. + * + * @type {AbortController} + */ + get abortController() { + if (!this._abortController) { + this._abortController = new AbortController(); + } + return this._abortController; + } +}; +var DefaultLoadingManager = new LoadingManager(); +var Loader = class { + /** + * Constructs a new loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + this.manager = manager !== void 0 ? manager : DefaultLoadingManager; + this.crossOrigin = "anonymous"; + this.withCredentials = false; + this.path = ""; + this.resourcePath = ""; + this.requestHeader = {}; + } + /** + * This method needs to be implemented by all concrete loaders. It holds the + * logic for loading assets from the backend. + * + * @abstract + * @param {string} url - The path/URL of the file to be loaded. + * @param {Function} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} [onProgress] - Executed while the loading is in progress. + * @param {onErrorCallback} [onError] - Executed when errors occur. + */ + load() { + } + /** + * A async version of {@link Loader#load}. + * + * @param {string} url - The path/URL of the file to be loaded. + * @param {onProgressCallback} [onProgress] - Executed while the loading is in progress. + * @return {Promise} A Promise that resolves when the asset has been loaded. + */ + loadAsync(url, onProgress) { + const scope = this; + return new Promise(function(resolve, reject) { + scope.load(url, resolve, onProgress, reject); + }); + } + /** + * This method needs to be implemented by all concrete loaders. It holds the + * logic for parsing the asset into three.js entities. + * + * @abstract + * @param {any} data - The data to parse. + */ + parse() { + } + /** + * Sets the `crossOrigin` String to implement CORS for loading the URL + * from a different domain that allows CORS. + * + * @param {string} crossOrigin - The `crossOrigin` value. + * @return {Loader} A reference to this instance. + */ + setCrossOrigin(crossOrigin) { + this.crossOrigin = crossOrigin; + return this; + } + /** + * Whether the XMLHttpRequest uses credentials such as cookies, authorization + * headers or TLS client certificates, see [XMLHttpRequest.withCredentials](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/withCredentials). + * + * Note: This setting has no effect if you are loading files locally or from the same domain. + * + * @param {boolean} value - The `withCredentials` value. + * @return {Loader} A reference to this instance. + */ + setWithCredentials(value) { + this.withCredentials = value; + return this; + } + /** + * Sets the base path for the asset. + * + * @param {string} path - The base path. + * @return {Loader} A reference to this instance. + */ + setPath(path) { + this.path = path; + return this; + } + /** + * Sets the base path for dependent resources like textures. + * + * @param {string} resourcePath - The resource path. + * @return {Loader} A reference to this instance. + */ + setResourcePath(resourcePath) { + this.resourcePath = resourcePath; + return this; + } + /** + * Sets the given request header. + * + * @param {Object} requestHeader - A [request header](https://developer.mozilla.org/en-US/docs/Glossary/Request_header) + * for configuring the HTTP request. + * @return {Loader} A reference to this instance. + */ + setRequestHeader(requestHeader) { + this.requestHeader = requestHeader; + return this; + } + /** + * This method can be implemented in loaders for aborting ongoing requests. + * + * @abstract + * @return {Loader} A reference to this instance. + */ + abort() { + return this; + } +}; +Loader.DEFAULT_MATERIAL_NAME = "__DEFAULT"; +var loading = {}; +var HttpError = class extends Error { + constructor(message, response) { + super(message); + this.response = response; + } +}; +var FileLoader = class extends Loader { + /** + * Constructs a new file loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + this.mimeType = ""; + this.responseType = ""; + this._abortController = new AbortController(); + } + /** + * Starts loading from the given URL and pass the loaded response to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(any)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} [onProgress] - Executed while the loading is in progress. + * @param {onErrorCallback} [onError] - Executed when errors occur. + * @return {any|undefined} The cached resource if available. + */ + load(url, onLoad, onProgress, onError) { + if (url === void 0) url = ""; + if (this.path !== void 0) url = this.path + url; + url = this.manager.resolveURL(url); + const cached = Cache.get(`file:${url}`); + if (cached !== void 0) { + this.manager.itemStart(url); + setTimeout(() => { + if (onLoad) onLoad(cached); + this.manager.itemEnd(url); + }, 0); + return cached; + } + if (loading[url] !== void 0) { + loading[url].push({ + onLoad, + onProgress, + onError + }); + return; + } + loading[url] = []; + loading[url].push({ + onLoad, + onProgress, + onError + }); + const req = new Request(url, { + headers: new Headers(this.requestHeader), + credentials: this.withCredentials ? "include" : "same-origin", + signal: typeof AbortSignal.any === "function" ? AbortSignal.any([this._abortController.signal, this.manager.abortController.signal]) : this._abortController.signal + }); + const mimeType = this.mimeType; + const responseType = this.responseType; + fetch(req).then((response) => { + if (response.status === 200 || response.status === 0) { + if (response.status === 0) { + warn("FileLoader: HTTP Status 0 received."); + } + if (typeof ReadableStream === "undefined" || response.body === void 0 || response.body.getReader === void 0) { + return response; + } + const callbacks = loading[url]; + const reader = response.body.getReader(); + const contentLength = response.headers.get("X-File-Size") || response.headers.get("Content-Length"); + const total = contentLength ? parseInt(contentLength) : 0; + const lengthComputable = total !== 0; + let loaded = 0; + const stream = new ReadableStream({ + start(controller) { + readData(); + function readData() { + reader.read().then(({ done, value }) => { + if (done) { + controller.close(); + } else { + loaded += value.byteLength; + const event = new ProgressEvent("progress", { lengthComputable, loaded, total }); + for (let i = 0, il = callbacks.length; i < il; i++) { + const callback = callbacks[i]; + if (callback.onProgress) callback.onProgress(event); + } + controller.enqueue(value); + readData(); + } + }, (e) => { + controller.error(e); + }); + } + } + }); + return new Response(stream); + } else { + throw new HttpError(`fetch for "${response.url}" responded with ${response.status}: ${response.statusText}`, response); + } + }).then((response) => { + switch (responseType) { + case "arraybuffer": + return response.arrayBuffer(); + case "blob": + return response.blob(); + case "document": + return response.text().then((text) => { + const parser = new DOMParser(); + return parser.parseFromString(text, mimeType); + }); + case "json": + return response.json(); + default: + if (mimeType === "") { + return response.text(); + } else { + const re = /charset="?([^;"\s]*)"?/i; + const exec = re.exec(mimeType); + const label = exec && exec[1] ? exec[1].toLowerCase() : void 0; + const decoder = new TextDecoder(label); + return response.arrayBuffer().then((ab) => decoder.decode(ab)); + } + } + }).then((data) => { + Cache.add(`file:${url}`, data); + const callbacks = loading[url]; + delete loading[url]; + for (let i = 0, il = callbacks.length; i < il; i++) { + const callback = callbacks[i]; + if (callback.onLoad) callback.onLoad(data); + } + }).catch((err) => { + const callbacks = loading[url]; + if (callbacks === void 0) { + this.manager.itemError(url); + throw err; + } + delete loading[url]; + for (let i = 0, il = callbacks.length; i < il; i++) { + const callback = callbacks[i]; + if (callback.onError) callback.onError(err); + } + this.manager.itemError(url); + }).finally(() => { + this.manager.itemEnd(url); + }); + this.manager.itemStart(url); + } + /** + * Sets the expected response type. + * + * @param {('arraybuffer'|'blob'|'document'|'json'|'')} value - The response type. + * @return {FileLoader} A reference to this file loader. + */ + setResponseType(value) { + this.responseType = value; + return this; + } + /** + * Sets the expected mime type of the loaded file. + * + * @param {string} value - The mime type. + * @return {FileLoader} A reference to this file loader. + */ + setMimeType(value) { + this.mimeType = value; + return this; + } + /** + * Aborts ongoing fetch requests. + * + * @return {FileLoader} A reference to this instance. + */ + abort() { + this._abortController.abort(); + this._abortController = new AbortController(); + return this; + } +}; +var AnimationLoader = class extends Loader { + /** + * Constructs a new animation loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and pass the loaded animations as an array + * holding instances of {@link AnimationClip} to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Array)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(JSON.parse(text))); + } catch (e) { + if (onError) { + onError(e); + } else { + error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + /** + * Parses the given JSON object and returns an array of animation clips. + * + * @param {Object} json - The serialized animation clips. + * @return {Array} The parsed animation clips. + */ + parse(json) { + const animations = []; + for (let i = 0; i < json.length; i++) { + const clip = AnimationClip.parse(json[i]); + animations.push(clip); + } + return animations; + } +}; +var CompressedTextureLoader = class extends Loader { + /** + * Constructs a new compressed texture loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and passes the loaded compressed texture + * to the `onLoad()` callback. The method also returns a new texture object which can + * directly be used for material creation. If you do it this way, the texture + * may pop up in your scene once the respective loading process is finished. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(CompressedTexture)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + * @return {CompressedTexture} The compressed texture. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const images = []; + const texture = new CompressedTexture(); + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setResponseType("arraybuffer"); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(scope.withCredentials); + let loaded = 0; + function loadTexture(i) { + loader.load(url[i], function(buffer) { + const texDatas = scope.parse(buffer, true); + images[i] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; + loaded += 1; + if (loaded === 6) { + if (texDatas.mipmapCount === 1) texture.minFilter = LinearFilter; + texture.image = images; + texture.format = texDatas.format; + texture.needsUpdate = true; + if (onLoad) onLoad(texture); + } + }, onProgress, onError); + } + if (Array.isArray(url)) { + for (let i = 0, il = url.length; i < il; ++i) { + loadTexture(i); + } + } else { + loader.load(url, function(buffer) { + const texDatas = scope.parse(buffer, true); + if (texDatas.isCubemap) { + const faces = texDatas.mipmaps.length / texDatas.mipmapCount; + for (let f = 0; f < faces; f++) { + images[f] = { mipmaps: [] }; + for (let i = 0; i < texDatas.mipmapCount; i++) { + images[f].mipmaps.push(texDatas.mipmaps[f * texDatas.mipmapCount + i]); + images[f].format = texDatas.format; + images[f].width = texDatas.width; + images[f].height = texDatas.height; + } + } + texture.image = images; + } else { + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; + } + if (texDatas.mipmapCount === 1) { + texture.minFilter = LinearFilter; + } + texture.format = texDatas.format; + texture.needsUpdate = true; + if (onLoad) onLoad(texture); + }, onProgress, onError); + } + return texture; + } +}; +var _loading = /* @__PURE__ */ new WeakMap(); +var ImageLoader = class extends Loader { + /** + * Constructs a new image loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and passes the loaded image + * to the `onLoad()` callback. The method also returns a new `Image` object which can + * directly be used for texture creation. If you do it this way, the texture + * may pop up in your scene once the respective loading process is finished. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Image)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Unsupported in this loader. + * @param {onErrorCallback} onError - Executed when errors occur. + * @return {Image} The image. + */ + load(url, onLoad, onProgress, onError) { + if (this.path !== void 0) url = this.path + url; + url = this.manager.resolveURL(url); + const scope = this; + const cached = Cache.get(`image:${url}`); + if (cached !== void 0) { + if (cached.complete === true) { + scope.manager.itemStart(url); + setTimeout(function() { + if (onLoad) onLoad(cached); + scope.manager.itemEnd(url); + }, 0); + } else { + let arr = _loading.get(cached); + if (arr === void 0) { + arr = []; + _loading.set(cached, arr); + } + arr.push({ onLoad, onError }); + } + return cached; + } + const image = createElementNS("img"); + function onImageLoad() { + removeEventListeners(); + if (onLoad) onLoad(this); + const callbacks = _loading.get(this) || []; + for (let i = 0; i < callbacks.length; i++) { + const callback = callbacks[i]; + if (callback.onLoad) callback.onLoad(this); + } + _loading.delete(this); + scope.manager.itemEnd(url); + } + function onImageError(event) { + removeEventListeners(); + if (onError) onError(event); + Cache.remove(`image:${url}`); + const callbacks = _loading.get(this) || []; + for (let i = 0; i < callbacks.length; i++) { + const callback = callbacks[i]; + if (callback.onError) callback.onError(event); + } + _loading.delete(this); + scope.manager.itemError(url); + scope.manager.itemEnd(url); + } + function removeEventListeners() { + image.removeEventListener("load", onImageLoad, false); + image.removeEventListener("error", onImageError, false); + } + image.addEventListener("load", onImageLoad, false); + image.addEventListener("error", onImageError, false); + if (url.slice(0, 5) !== "data:") { + if (this.crossOrigin !== void 0) image.crossOrigin = this.crossOrigin; + } + Cache.add(`image:${url}`, image); + scope.manager.itemStart(url); + image.src = url; + return image; + } +}; +var CubeTextureLoader = class extends Loader { + /** + * Constructs a new cube texture loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and pass the fully loaded cube texture + * to the `onLoad()` callback. The method also returns a new cube texture object which can + * directly be used for material creation. If you do it this way, the cube texture + * may pop up in your scene once the respective loading process is finished. + * + * @param {Array} urls - Array of 6 URLs to images, one for each side of the + * cube texture. The urls should be specified in the following order: pos-x, + * neg-x, pos-y, neg-y, pos-z, neg-z. An array of data URIs are allowed as well. + * @param {function(CubeTexture)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Unsupported in this loader. + * @param {onErrorCallback} onError - Executed when errors occur. + * @return {CubeTexture} The cube texture. + */ + load(urls, onLoad, onProgress, onError) { + const texture = new CubeTexture(); + texture.colorSpace = SRGBColorSpace; + const loader = new ImageLoader(this.manager); + loader.setCrossOrigin(this.crossOrigin); + loader.setPath(this.path); + let loaded = 0; + function loadTexture(i) { + loader.load(urls[i], function(image) { + texture.images[i] = image; + loaded++; + if (loaded === 6) { + texture.needsUpdate = true; + if (onLoad) onLoad(texture); + } + }, void 0, onError); + } + for (let i = 0; i < urls.length; ++i) { + loadTexture(i); + } + return texture; + } +}; +var DataTextureLoader = class extends Loader { + /** + * Constructs a new data texture loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and passes the loaded data texture + * to the `onLoad()` callback. The method also returns a new texture object which can + * directly be used for material creation. If you do it this way, the texture + * may pop up in your scene once the respective loading process is finished. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(DataTexture)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + * @return {DataTexture} The data texture. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const texture = new DataTexture(); + const loader = new FileLoader(this.manager); + loader.setResponseType("arraybuffer"); + loader.setRequestHeader(this.requestHeader); + loader.setPath(this.path); + loader.setWithCredentials(scope.withCredentials); + loader.load(url, function(buffer) { + let texData; + try { + texData = scope.parse(buffer); + } catch (error2) { + if (onError !== void 0) { + onError(error2); + } else { + error2(error2); + return; + } + } + if (texData.image !== void 0) { + texture.image = texData.image; + } else if (texData.data !== void 0) { + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; + } + texture.wrapS = texData.wrapS !== void 0 ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = texData.wrapT !== void 0 ? texData.wrapT : ClampToEdgeWrapping; + texture.magFilter = texData.magFilter !== void 0 ? texData.magFilter : LinearFilter; + texture.minFilter = texData.minFilter !== void 0 ? texData.minFilter : LinearFilter; + texture.anisotropy = texData.anisotropy !== void 0 ? texData.anisotropy : 1; + if (texData.colorSpace !== void 0) { + texture.colorSpace = texData.colorSpace; + } + if (texData.flipY !== void 0) { + texture.flipY = texData.flipY; + } + if (texData.format !== void 0) { + texture.format = texData.format; + } + if (texData.type !== void 0) { + texture.type = texData.type; + } + if (texData.mipmaps !== void 0) { + texture.mipmaps = texData.mipmaps; + texture.minFilter = LinearMipmapLinearFilter; + } + if (texData.mipmapCount === 1) { + texture.minFilter = LinearFilter; + } + if (texData.generateMipmaps !== void 0) { + texture.generateMipmaps = texData.generateMipmaps; + } + texture.needsUpdate = true; + if (onLoad) onLoad(texture, texData); + }, onProgress, onError); + return texture; + } +}; +var TextureLoader = class extends Loader { + /** + * Constructs a new texture loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and pass the fully loaded texture + * to the `onLoad()` callback. The method also returns a new texture object which can + * directly be used for material creation. If you do it this way, the texture + * may pop up in your scene once the respective loading process is finished. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Texture)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Unsupported in this loader. + * @param {onErrorCallback} onError - Executed when errors occur. + * @return {Texture} The texture. + */ + load(url, onLoad, onProgress, onError) { + const texture = new Texture(); + const loader = new ImageLoader(this.manager); + loader.setCrossOrigin(this.crossOrigin); + loader.setPath(this.path); + loader.load(url, function(image) { + texture.image = image; + texture.needsUpdate = true; + if (onLoad !== void 0) { + onLoad(texture); + } + }, onProgress, onError); + return texture; + } +}; +var Light = class extends Object3D { + /** + * Constructs a new light. + * + * @param {(number|Color|string)} [color=0xffffff] - The light's color. + * @param {number} [intensity=1] - The light's strength/intensity. + */ + constructor(color, intensity = 1) { + super(); + this.isLight = true; + this.type = "Light"; + this.color = new Color(color); + this.intensity = intensity; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + } + copy(source, recursive) { + super.copy(source, recursive); + this.color.copy(source.color); + this.intensity = source.intensity; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; + if (this.groundColor !== void 0) data.object.groundColor = this.groundColor.getHex(); + if (this.distance !== void 0) data.object.distance = this.distance; + if (this.angle !== void 0) data.object.angle = this.angle; + if (this.decay !== void 0) data.object.decay = this.decay; + if (this.penumbra !== void 0) data.object.penumbra = this.penumbra; + if (this.shadow !== void 0) data.object.shadow = this.shadow.toJSON(); + if (this.target !== void 0) data.object.target = this.target.uuid; + return data; + } +}; +var HemisphereLight = class extends Light { + /** + * Constructs a new hemisphere light. + * + * @param {(number|Color|string)} [skyColor=0xffffff] - The light's sky color. + * @param {(number|Color|string)} [groundColor=0xffffff] - The light's ground color. + * @param {number} [intensity=1] - The light's strength/intensity. + */ + constructor(skyColor, groundColor, intensity) { + super(skyColor, intensity); + this.isHemisphereLight = true; + this.type = "HemisphereLight"; + this.position.copy(Object3D.DEFAULT_UP); + this.updateMatrix(); + this.groundColor = new Color(groundColor); + } + copy(source, recursive) { + super.copy(source, recursive); + this.groundColor.copy(source.groundColor); + return this; + } +}; +var _projScreenMatrix$1 = new Matrix4(); +var _lightPositionWorld$1 = new Vector3(); +var _lookTarget$1 = new Vector3(); +var LightShadow = class { + /** + * Constructs a new light shadow. + * + * @param {Camera} camera - The light's view of the world. + */ + constructor(camera) { + this.camera = camera; + this.intensity = 1; + this.bias = 0; + this.normalBias = 0; + this.radius = 1; + this.blurSamples = 8; + this.mapSize = new Vector2(512, 512); + this.mapType = UnsignedByteType; + this.map = null; + this.mapPass = null; + this.matrix = new Matrix4(); + this.autoUpdate = true; + this.needsUpdate = false; + this._frustum = new Frustum(); + this._frameExtents = new Vector2(1, 1); + this._viewportCount = 1; + this._viewports = [ + new Vector4(0, 0, 1, 1) + ]; + } + /** + * Used internally by the renderer to get the number of viewports that need + * to be rendered for this shadow. + * + * @return {number} The viewport count. + */ + getViewportCount() { + return this._viewportCount; + } + /** + * Gets the shadow cameras frustum. Used internally by the renderer to cull objects. + * + * @return {Frustum} The shadow camera frustum. + */ + getFrustum() { + return this._frustum; + } + /** + * Update the matrices for the camera and shadow, used internally by the renderer. + * + * @param {Light} light - The light for which the shadow is being rendered. + */ + updateMatrices(light) { + const shadowCamera = this.camera; + const shadowMatrix = this.matrix; + _lightPositionWorld$1.setFromMatrixPosition(light.matrixWorld); + shadowCamera.position.copy(_lightPositionWorld$1); + _lookTarget$1.setFromMatrixPosition(light.target.matrixWorld); + shadowCamera.lookAt(_lookTarget$1); + shadowCamera.updateMatrixWorld(); + _projScreenMatrix$1.multiplyMatrices(shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse); + this._frustum.setFromProjectionMatrix(_projScreenMatrix$1, shadowCamera.coordinateSystem, shadowCamera.reversedDepth); + if (shadowCamera.reversedDepth) { + shadowMatrix.set( + 0.5, + 0, + 0, + 0.5, + 0, + 0.5, + 0, + 0.5, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1 + ); + } else { + shadowMatrix.set( + 0.5, + 0, + 0, + 0.5, + 0, + 0.5, + 0, + 0.5, + 0, + 0, + 0.5, + 0.5, + 0, + 0, + 0, + 1 + ); + } + shadowMatrix.multiply(_projScreenMatrix$1); + } + /** + * Returns a viewport definition for the given viewport index. + * + * @param {number} viewportIndex - The viewport index. + * @return {Vector4} The viewport. + */ + getViewport(viewportIndex) { + return this._viewports[viewportIndex]; + } + /** + * Returns the frame extends. + * + * @return {Vector2} The frame extends. + */ + getFrameExtents() { + return this._frameExtents; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + if (this.map) { + this.map.dispose(); + } + if (this.mapPass) { + this.mapPass.dispose(); + } + } + /** + * Copies the values of the given light shadow instance to this instance. + * + * @param {LightShadow} source - The light shadow to copy. + * @return {LightShadow} A reference to this light shadow instance. + */ + copy(source) { + this.camera = source.camera.clone(); + this.intensity = source.intensity; + this.bias = source.bias; + this.radius = source.radius; + this.autoUpdate = source.autoUpdate; + this.needsUpdate = source.needsUpdate; + this.normalBias = source.normalBias; + this.blurSamples = source.blurSamples; + this.mapSize.copy(source.mapSize); + return this; + } + /** + * Returns a new light shadow instance with copied values from this instance. + * + * @return {LightShadow} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Serializes the light shadow into JSON. + * + * @return {Object} A JSON object representing the serialized light shadow. + * @see {@link ObjectLoader#parse} + */ + toJSON() { + const object = {}; + if (this.intensity !== 1) object.intensity = this.intensity; + if (this.bias !== 0) object.bias = this.bias; + if (this.normalBias !== 0) object.normalBias = this.normalBias; + if (this.radius !== 1) object.radius = this.radius; + if (this.mapSize.x !== 512 || this.mapSize.y !== 512) object.mapSize = this.mapSize.toArray(); + object.camera = this.camera.toJSON(false).object; + delete object.camera.matrix; + return object; + } +}; +var SpotLightShadow = class extends LightShadow { + /** + * Constructs a new spot light shadow. + */ + constructor() { + super(new PerspectiveCamera(50, 1, 0.5, 500)); + this.isSpotLightShadow = true; + this.focus = 1; + this.aspect = 1; + } + updateMatrices(light) { + const camera = this.camera; + const fov2 = RAD2DEG * 2 * light.angle * this.focus; + const aspect2 = this.mapSize.width / this.mapSize.height * this.aspect; + const far = light.distance || camera.far; + if (fov2 !== camera.fov || aspect2 !== camera.aspect || far !== camera.far) { + camera.fov = fov2; + camera.aspect = aspect2; + camera.far = far; + camera.updateProjectionMatrix(); + } + super.updateMatrices(light); + } + copy(source) { + super.copy(source); + this.focus = source.focus; + return this; + } +}; +var SpotLight = class extends Light { + /** + * Constructs a new spot light. + * + * @param {(number|Color|string)} [color=0xffffff] - The light's color. + * @param {number} [intensity=1] - The light's strength/intensity measured in candela (cd). + * @param {number} [distance=0] - Maximum range of the light. `0` means no limit. + * @param {number} [angle=Math.PI/3] - Maximum angle of light dispersion from its direction whose upper bound is `Math.PI/2`. + * @param {number} [penumbra=0] - Percent of the spotlight cone that is attenuated due to penumbra. Value range is `[0,1]`. + * @param {number} [decay=2] - The amount the light dims along the distance of the light. + */ + constructor(color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 2) { + super(color, intensity); + this.isSpotLight = true; + this.type = "SpotLight"; + this.position.copy(Object3D.DEFAULT_UP); + this.updateMatrix(); + this.target = new Object3D(); + this.distance = distance; + this.angle = angle; + this.penumbra = penumbra; + this.decay = decay; + this.map = null; + this.shadow = new SpotLightShadow(); + } + /** + * The light's power. Power is the luminous power of the light measured in lumens (lm). + * Changing the power will also change the light's intensity. + * + * @type {number} + */ + get power() { + return this.intensity * Math.PI; + } + set power(power) { + this.intensity = power / Math.PI; + } + dispose() { + this.shadow.dispose(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; + this.target = source.target.clone(); + this.shadow = source.shadow.clone(); + return this; + } +}; +var _projScreenMatrix = new Matrix4(); +var _lightPositionWorld = new Vector3(); +var _lookTarget = new Vector3(); +var PointLightShadow = class extends LightShadow { + /** + * Constructs a new point light shadow. + */ + constructor() { + super(new PerspectiveCamera(90, 1, 0.5, 500)); + this.isPointLightShadow = true; + this._frameExtents = new Vector2(4, 2); + this._viewportCount = 6; + this._viewports = [ + // These viewports map a cube-map onto a 2D texture with the + // following orientation: + // + // xzXZ + // y Y + // + // X - Positive x direction + // x - Negative x direction + // Y - Positive y direction + // y - Negative y direction + // Z - Positive z direction + // z - Negative z direction + // positive X + new Vector4(2, 1, 1, 1), + // negative X + new Vector4(0, 1, 1, 1), + // positive Z + new Vector4(3, 1, 1, 1), + // negative Z + new Vector4(1, 1, 1, 1), + // positive Y + new Vector4(3, 0, 1, 1), + // negative Y + new Vector4(1, 0, 1, 1) + ]; + this._cubeDirections = [ + new Vector3(1, 0, 0), + new Vector3(-1, 0, 0), + new Vector3(0, 0, 1), + new Vector3(0, 0, -1), + new Vector3(0, 1, 0), + new Vector3(0, -1, 0) + ]; + this._cubeUps = [ + new Vector3(0, 1, 0), + new Vector3(0, 1, 0), + new Vector3(0, 1, 0), + new Vector3(0, 1, 0), + new Vector3(0, 0, 1), + new Vector3(0, 0, -1) + ]; + } + /** + * Update the matrices for the camera and shadow, used internally by the renderer. + * + * @param {Light} light - The light for which the shadow is being rendered. + * @param {number} [viewportIndex=0] - The viewport index. + */ + updateMatrices(light, viewportIndex = 0) { + const camera = this.camera; + const shadowMatrix = this.matrix; + const far = light.distance || camera.far; + if (far !== camera.far) { + camera.far = far; + camera.updateProjectionMatrix(); + } + _lightPositionWorld.setFromMatrixPosition(light.matrixWorld); + camera.position.copy(_lightPositionWorld); + _lookTarget.copy(camera.position); + _lookTarget.add(this._cubeDirections[viewportIndex]); + camera.up.copy(this._cubeUps[viewportIndex]); + camera.lookAt(_lookTarget); + camera.updateMatrixWorld(); + shadowMatrix.makeTranslation(-_lightPositionWorld.x, -_lightPositionWorld.y, -_lightPositionWorld.z); + _projScreenMatrix.multiplyMatrices(camera.projectionMatrix, camera.matrixWorldInverse); + this._frustum.setFromProjectionMatrix(_projScreenMatrix, camera.coordinateSystem, camera.reversedDepth); + } +}; +var PointLight = class extends Light { + /** + * Constructs a new point light. + * + * @param {(number|Color|string)} [color=0xffffff] - The light's color. + * @param {number} [intensity=1] - The light's strength/intensity measured in candela (cd). + * @param {number} [distance=0] - Maximum range of the light. `0` means no limit. + * @param {number} [decay=2] - The amount the light dims along the distance of the light. + */ + constructor(color, intensity, distance = 0, decay = 2) { + super(color, intensity); + this.isPointLight = true; + this.type = "PointLight"; + this.distance = distance; + this.decay = decay; + this.shadow = new PointLightShadow(); + } + /** + * The light's power. Power is the luminous power of the light measured in lumens (lm). + * Changing the power will also change the light's intensity. + * + * @type {number} + */ + get power() { + return this.intensity * 4 * Math.PI; + } + set power(power) { + this.intensity = power / (4 * Math.PI); + } + dispose() { + this.shadow.dispose(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.distance = source.distance; + this.decay = source.decay; + this.shadow = source.shadow.clone(); + return this; + } +}; +var OrthographicCamera = class extends Camera { + /** + * Constructs a new orthographic camera. + * + * @param {number} [left=-1] - The left plane of the camera's frustum. + * @param {number} [right=1] - The right plane of the camera's frustum. + * @param {number} [top=1] - The top plane of the camera's frustum. + * @param {number} [bottom=-1] - The bottom plane of the camera's frustum. + * @param {number} [near=0.1] - The camera's near plane. + * @param {number} [far=2000] - The camera's far plane. + */ + constructor(left = -1, right = 1, top = 1, bottom = -1, near = 0.1, far = 2e3) { + super(); + this.isOrthographicCamera = true; + this.type = "OrthographicCamera"; + this.zoom = 1; + this.view = null; + this.left = left; + this.right = right; + this.top = top; + this.bottom = bottom; + this.near = near; + this.far = far; + this.updateProjectionMatrix(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign({}, source.view); + return this; + } + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * @param {number} fullWidth - The full width of multiview setup. + * @param {number} fullHeight - The full height of multiview setup. + * @param {number} x - The horizontal offset of the subcamera. + * @param {number} y - The vertical offset of the subcamera. + * @param {number} width - The width of subcamera. + * @param {number} height - The height of subcamera. + * @see {@link PerspectiveCamera#setViewOffset} + */ + setViewOffset(fullWidth, fullHeight, x, y, width, height) { + if (this.view === null) { + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + } + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + this.updateProjectionMatrix(); + } + /** + * Removes the view offset from the projection matrix. + */ + clearViewOffset() { + if (this.view !== null) { + this.view.enabled = false; + } + this.updateProjectionMatrix(); + } + /** + * Updates the camera's projection matrix. Must be called after any change of + * camera properties. + */ + updateProjectionMatrix() { + const dx = (this.right - this.left) / (2 * this.zoom); + const dy = (this.top - this.bottom) / (2 * this.zoom); + const cx = (this.right + this.left) / 2; + const cy = (this.top + this.bottom) / 2; + let left = cx - dx; + let right = cx + dx; + let top = cy + dy; + let bottom = cy - dy; + if (this.view !== null && this.view.enabled) { + const scaleW = (this.right - this.left) / this.view.fullWidth / this.zoom; + const scaleH = (this.top - this.bottom) / this.view.fullHeight / this.zoom; + left += scaleW * this.view.offsetX; + right = left + scaleW * this.view.width; + top -= scaleH * this.view.offsetY; + bottom = top - scaleH * this.view.height; + } + this.projectionMatrix.makeOrthographic(left, right, top, bottom, this.near, this.far, this.coordinateSystem, this.reversedDepth); + this.projectionMatrixInverse.copy(this.projectionMatrix).invert(); + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; + if (this.view !== null) data.object.view = Object.assign({}, this.view); + return data; + } +}; +var DirectionalLightShadow = class extends LightShadow { + /** + * Constructs a new directional light shadow. + */ + constructor() { + super(new OrthographicCamera(-5, 5, 5, -5, 0.5, 500)); + this.isDirectionalLightShadow = true; + } +}; +var DirectionalLight = class extends Light { + /** + * Constructs a new directional light. + * + * @param {(number|Color|string)} [color=0xffffff] - The light's color. + * @param {number} [intensity=1] - The light's strength/intensity. + */ + constructor(color, intensity) { + super(color, intensity); + this.isDirectionalLight = true; + this.type = "DirectionalLight"; + this.position.copy(Object3D.DEFAULT_UP); + this.updateMatrix(); + this.target = new Object3D(); + this.shadow = new DirectionalLightShadow(); + } + dispose() { + this.shadow.dispose(); + } + copy(source) { + super.copy(source); + this.target = source.target.clone(); + this.shadow = source.shadow.clone(); + return this; + } +}; +var AmbientLight = class extends Light { + /** + * Constructs a new ambient light. + * + * @param {(number|Color|string)} [color=0xffffff] - The light's color. + * @param {number} [intensity=1] - The light's strength/intensity. + */ + constructor(color, intensity) { + super(color, intensity); + this.isAmbientLight = true; + this.type = "AmbientLight"; + } +}; +var RectAreaLight = class extends Light { + /** + * Constructs a new area light. + * + * @param {(number|Color|string)} [color=0xffffff] - The light's color. + * @param {number} [intensity=1] - The light's strength/intensity. + * @param {number} [width=10] - The width of the light. + * @param {number} [height=10] - The height of the light. + */ + constructor(color, intensity, width = 10, height = 10) { + super(color, intensity); + this.isRectAreaLight = true; + this.type = "RectAreaLight"; + this.width = width; + this.height = height; + } + /** + * The light's power. Power is the luminous power of the light measured in lumens (lm). + * Changing the power will also change the light's intensity. + * + * @type {number} + */ + get power() { + return this.intensity * this.width * this.height * Math.PI; + } + set power(power) { + this.intensity = power / (this.width * this.height * Math.PI); + } + copy(source) { + super.copy(source); + this.width = source.width; + this.height = source.height; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.width = this.width; + data.object.height = this.height; + return data; + } +}; +var SphericalHarmonics3 = class { + /** + * Constructs a new spherical harmonics. + */ + constructor() { + this.isSphericalHarmonics3 = true; + this.coefficients = []; + for (let i = 0; i < 9; i++) { + this.coefficients.push(new Vector3()); + } + } + /** + * Sets the given SH coefficients to this instance by copying + * the values. + * + * @param {Array} coefficients - The SH coefficients. + * @return {SphericalHarmonics3} A reference to this spherical harmonics. + */ + set(coefficients) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].copy(coefficients[i]); + } + return this; + } + /** + * Sets all SH coefficients to `0`. + * + * @return {SphericalHarmonics3} A reference to this spherical harmonics. + */ + zero() { + for (let i = 0; i < 9; i++) { + this.coefficients[i].set(0, 0, 0); + } + return this; + } + /** + * Returns the radiance in the direction of the given normal. + * + * @param {Vector3} normal - The normal vector (assumed to be unit length) + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The radiance. + */ + getAt(normal, target) { + const x = normal.x, y = normal.y, z = normal.z; + const coeff = this.coefficients; + target.copy(coeff[0]).multiplyScalar(0.282095); + target.addScaledVector(coeff[1], 0.488603 * y); + target.addScaledVector(coeff[2], 0.488603 * z); + target.addScaledVector(coeff[3], 0.488603 * x); + target.addScaledVector(coeff[4], 1.092548 * (x * y)); + target.addScaledVector(coeff[5], 1.092548 * (y * z)); + target.addScaledVector(coeff[6], 0.315392 * (3 * z * z - 1)); + target.addScaledVector(coeff[7], 1.092548 * (x * z)); + target.addScaledVector(coeff[8], 0.546274 * (x * x - y * y)); + return target; + } + /** + * Returns the irradiance (radiance convolved with cosine lobe) in the + * direction of the given normal. + * + * @param {Vector3} normal - The normal vector (assumed to be unit length) + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The irradiance. + */ + getIrradianceAt(normal, target) { + const x = normal.x, y = normal.y, z = normal.z; + const coeff = this.coefficients; + target.copy(coeff[0]).multiplyScalar(0.886227); + target.addScaledVector(coeff[1], 2 * 0.511664 * y); + target.addScaledVector(coeff[2], 2 * 0.511664 * z); + target.addScaledVector(coeff[3], 2 * 0.511664 * x); + target.addScaledVector(coeff[4], 2 * 0.429043 * x * y); + target.addScaledVector(coeff[5], 2 * 0.429043 * y * z); + target.addScaledVector(coeff[6], 0.743125 * z * z - 0.247708); + target.addScaledVector(coeff[7], 2 * 0.429043 * x * z); + target.addScaledVector(coeff[8], 0.429043 * (x * x - y * y)); + return target; + } + /** + * Adds the given SH to this instance. + * + * @param {SphericalHarmonics3} sh - The SH to add. + * @return {SphericalHarmonics3} A reference to this spherical harmonics. + */ + add(sh) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].add(sh.coefficients[i]); + } + return this; + } + /** + * A convenience method for performing {@link SphericalHarmonics3#add} and + * {@link SphericalHarmonics3#scale} at once. + * + * @param {SphericalHarmonics3} sh - The SH to add. + * @param {number} s - The scale factor. + * @return {SphericalHarmonics3} A reference to this spherical harmonics. + */ + addScaledSH(sh, s) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].addScaledVector(sh.coefficients[i], s); + } + return this; + } + /** + * Scales this SH by the given scale factor. + * + * @param {number} s - The scale factor. + * @return {SphericalHarmonics3} A reference to this spherical harmonics. + */ + scale(s) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].multiplyScalar(s); + } + return this; + } + /** + * Linear interpolates between the given SH and this instance by the given + * alpha factor. + * + * @param {SphericalHarmonics3} sh - The SH to interpolate with. + * @param {number} alpha - The alpha factor. + * @return {SphericalHarmonics3} A reference to this spherical harmonics. + */ + lerp(sh, alpha) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].lerp(sh.coefficients[i], alpha); + } + return this; + } + /** + * Returns `true` if this spherical harmonics is equal with the given one. + * + * @param {SphericalHarmonics3} sh - The spherical harmonics to test for equality. + * @return {boolean} Whether this spherical harmonics is equal with the given one. + */ + equals(sh) { + for (let i = 0; i < 9; i++) { + if (!this.coefficients[i].equals(sh.coefficients[i])) { + return false; + } + } + return true; + } + /** + * Copies the values of the given spherical harmonics to this instance. + * + * @param {SphericalHarmonics3} sh - The spherical harmonics to copy. + * @return {SphericalHarmonics3} A reference to this spherical harmonics. + */ + copy(sh) { + return this.set(sh.coefficients); + } + /** + * Returns a new spherical harmonics with copied values from this instance. + * + * @return {SphericalHarmonics3} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Sets the SH coefficients of this instance from the given array. + * + * @param {Array} array - An array holding the SH coefficients. + * @param {number} [offset=0] - The array offset where to start copying. + * @return {SphericalHarmonics3} A clone of this instance. + */ + fromArray(array, offset = 0) { + const coefficients = this.coefficients; + for (let i = 0; i < 9; i++) { + coefficients[i].fromArray(array, offset + i * 3); + } + return this; + } + /** + * Returns an array with the SH coefficients, or copies them into the provided + * array. The coefficients are represented as numbers. + * + * @param {Array} [array=[]] - The target array. + * @param {number} [offset=0] - The array offset where to start copying. + * @return {Array} An array with flat SH coefficients. + */ + toArray(array = [], offset = 0) { + const coefficients = this.coefficients; + for (let i = 0; i < 9; i++) { + coefficients[i].toArray(array, offset + i * 3); + } + return array; + } + /** + * Computes the SH basis for the given normal vector. + * + * @param {Vector3} normal - The normal. + * @param {Array} shBasis - The target array holding the SH basis. + */ + static getBasisAt(normal, shBasis) { + const x = normal.x, y = normal.y, z = normal.z; + shBasis[0] = 0.282095; + shBasis[1] = 0.488603 * y; + shBasis[2] = 0.488603 * z; + shBasis[3] = 0.488603 * x; + shBasis[4] = 1.092548 * x * y; + shBasis[5] = 1.092548 * y * z; + shBasis[6] = 0.315392 * (3 * z * z - 1); + shBasis[7] = 1.092548 * x * z; + shBasis[8] = 0.546274 * (x * x - y * y); + } +}; +var LightProbe = class extends Light { + /** + * Constructs a new light probe. + * + * @param {SphericalHarmonics3} sh - The spherical harmonics which represents encoded lighting information. + * @param {number} [intensity=1] - The light's strength/intensity. + */ + constructor(sh = new SphericalHarmonics3(), intensity = 1) { + super(void 0, intensity); + this.isLightProbe = true; + this.sh = sh; + } + copy(source) { + super.copy(source); + this.sh.copy(source.sh); + return this; + } + /** + * Deserializes the light prove from the given JSON. + * + * @param {Object} json - The JSON holding the serialized light probe. + * @return {LightProbe} A reference to this light probe. + */ + fromJSON(json) { + this.intensity = json.intensity; + this.sh.fromArray(json.sh); + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.sh = this.sh.toArray(); + return data; + } +}; +var MaterialLoader = class _MaterialLoader extends Loader { + /** + * Constructs a new material loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + this.textures = {}; + } + /** + * Starts loading from the given URL and pass the loaded material to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Material)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(scope.manager); + loader.setPath(scope.path); + loader.setRequestHeader(scope.requestHeader); + loader.setWithCredentials(scope.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(JSON.parse(text))); + } catch (e) { + if (onError) { + onError(e); + } else { + error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + /** + * Parses the given JSON object and returns a material. + * + * @param {Object} json - The serialized material. + * @return {Material} The parsed material. + */ + parse(json) { + const textures = this.textures; + function getTexture(name) { + if (textures[name] === void 0) { + warn("MaterialLoader: Undefined texture", name); + } + return textures[name]; + } + const material = this.createMaterialFromType(json.type); + if (json.uuid !== void 0) material.uuid = json.uuid; + if (json.name !== void 0) material.name = json.name; + if (json.color !== void 0 && material.color !== void 0) material.color.setHex(json.color); + if (json.roughness !== void 0) material.roughness = json.roughness; + if (json.metalness !== void 0) material.metalness = json.metalness; + if (json.sheen !== void 0) material.sheen = json.sheen; + if (json.sheenColor !== void 0) material.sheenColor = new Color().setHex(json.sheenColor); + if (json.sheenRoughness !== void 0) material.sheenRoughness = json.sheenRoughness; + if (json.emissive !== void 0 && material.emissive !== void 0) material.emissive.setHex(json.emissive); + if (json.specular !== void 0 && material.specular !== void 0) material.specular.setHex(json.specular); + if (json.specularIntensity !== void 0) material.specularIntensity = json.specularIntensity; + if (json.specularColor !== void 0 && material.specularColor !== void 0) material.specularColor.setHex(json.specularColor); + if (json.shininess !== void 0) material.shininess = json.shininess; + if (json.clearcoat !== void 0) material.clearcoat = json.clearcoat; + if (json.clearcoatRoughness !== void 0) material.clearcoatRoughness = json.clearcoatRoughness; + if (json.dispersion !== void 0) material.dispersion = json.dispersion; + if (json.iridescence !== void 0) material.iridescence = json.iridescence; + if (json.iridescenceIOR !== void 0) material.iridescenceIOR = json.iridescenceIOR; + if (json.iridescenceThicknessRange !== void 0) material.iridescenceThicknessRange = json.iridescenceThicknessRange; + if (json.transmission !== void 0) material.transmission = json.transmission; + if (json.thickness !== void 0) material.thickness = json.thickness; + if (json.attenuationDistance !== void 0) material.attenuationDistance = json.attenuationDistance; + if (json.attenuationColor !== void 0 && material.attenuationColor !== void 0) material.attenuationColor.setHex(json.attenuationColor); + if (json.anisotropy !== void 0) material.anisotropy = json.anisotropy; + if (json.anisotropyRotation !== void 0) material.anisotropyRotation = json.anisotropyRotation; + if (json.fog !== void 0) material.fog = json.fog; + if (json.flatShading !== void 0) material.flatShading = json.flatShading; + if (json.blending !== void 0) material.blending = json.blending; + if (json.combine !== void 0) material.combine = json.combine; + if (json.side !== void 0) material.side = json.side; + if (json.shadowSide !== void 0) material.shadowSide = json.shadowSide; + if (json.opacity !== void 0) material.opacity = json.opacity; + if (json.transparent !== void 0) material.transparent = json.transparent; + if (json.alphaTest !== void 0) material.alphaTest = json.alphaTest; + if (json.alphaHash !== void 0) material.alphaHash = json.alphaHash; + if (json.depthFunc !== void 0) material.depthFunc = json.depthFunc; + if (json.depthTest !== void 0) material.depthTest = json.depthTest; + if (json.depthWrite !== void 0) material.depthWrite = json.depthWrite; + if (json.colorWrite !== void 0) material.colorWrite = json.colorWrite; + if (json.blendSrc !== void 0) material.blendSrc = json.blendSrc; + if (json.blendDst !== void 0) material.blendDst = json.blendDst; + if (json.blendEquation !== void 0) material.blendEquation = json.blendEquation; + if (json.blendSrcAlpha !== void 0) material.blendSrcAlpha = json.blendSrcAlpha; + if (json.blendDstAlpha !== void 0) material.blendDstAlpha = json.blendDstAlpha; + if (json.blendEquationAlpha !== void 0) material.blendEquationAlpha = json.blendEquationAlpha; + if (json.blendColor !== void 0 && material.blendColor !== void 0) material.blendColor.setHex(json.blendColor); + if (json.blendAlpha !== void 0) material.blendAlpha = json.blendAlpha; + if (json.stencilWriteMask !== void 0) material.stencilWriteMask = json.stencilWriteMask; + if (json.stencilFunc !== void 0) material.stencilFunc = json.stencilFunc; + if (json.stencilRef !== void 0) material.stencilRef = json.stencilRef; + if (json.stencilFuncMask !== void 0) material.stencilFuncMask = json.stencilFuncMask; + if (json.stencilFail !== void 0) material.stencilFail = json.stencilFail; + if (json.stencilZFail !== void 0) material.stencilZFail = json.stencilZFail; + if (json.stencilZPass !== void 0) material.stencilZPass = json.stencilZPass; + if (json.stencilWrite !== void 0) material.stencilWrite = json.stencilWrite; + if (json.wireframe !== void 0) material.wireframe = json.wireframe; + if (json.wireframeLinewidth !== void 0) material.wireframeLinewidth = json.wireframeLinewidth; + if (json.wireframeLinecap !== void 0) material.wireframeLinecap = json.wireframeLinecap; + if (json.wireframeLinejoin !== void 0) material.wireframeLinejoin = json.wireframeLinejoin; + if (json.rotation !== void 0) material.rotation = json.rotation; + if (json.linewidth !== void 0) material.linewidth = json.linewidth; + if (json.dashSize !== void 0) material.dashSize = json.dashSize; + if (json.gapSize !== void 0) material.gapSize = json.gapSize; + if (json.scale !== void 0) material.scale = json.scale; + if (json.polygonOffset !== void 0) material.polygonOffset = json.polygonOffset; + if (json.polygonOffsetFactor !== void 0) material.polygonOffsetFactor = json.polygonOffsetFactor; + if (json.polygonOffsetUnits !== void 0) material.polygonOffsetUnits = json.polygonOffsetUnits; + if (json.dithering !== void 0) material.dithering = json.dithering; + if (json.alphaToCoverage !== void 0) material.alphaToCoverage = json.alphaToCoverage; + if (json.premultipliedAlpha !== void 0) material.premultipliedAlpha = json.premultipliedAlpha; + if (json.forceSinglePass !== void 0) material.forceSinglePass = json.forceSinglePass; + if (json.visible !== void 0) material.visible = json.visible; + if (json.toneMapped !== void 0) material.toneMapped = json.toneMapped; + if (json.userData !== void 0) material.userData = json.userData; + if (json.vertexColors !== void 0) { + if (typeof json.vertexColors === "number") { + material.vertexColors = json.vertexColors > 0 ? true : false; + } else { + material.vertexColors = json.vertexColors; + } + } + if (json.uniforms !== void 0) { + for (const name in json.uniforms) { + const uniform = json.uniforms[name]; + material.uniforms[name] = {}; + switch (uniform.type) { + case "t": + material.uniforms[name].value = getTexture(uniform.value); + break; + case "c": + material.uniforms[name].value = new Color().setHex(uniform.value); + break; + case "v2": + material.uniforms[name].value = new Vector2().fromArray(uniform.value); + break; + case "v3": + material.uniforms[name].value = new Vector3().fromArray(uniform.value); + break; + case "v4": + material.uniforms[name].value = new Vector4().fromArray(uniform.value); + break; + case "m3": + material.uniforms[name].value = new Matrix3().fromArray(uniform.value); + break; + case "m4": + material.uniforms[name].value = new Matrix4().fromArray(uniform.value); + break; + default: + material.uniforms[name].value = uniform.value; + } + } + } + if (json.defines !== void 0) material.defines = json.defines; + if (json.vertexShader !== void 0) material.vertexShader = json.vertexShader; + if (json.fragmentShader !== void 0) material.fragmentShader = json.fragmentShader; + if (json.glslVersion !== void 0) material.glslVersion = json.glslVersion; + if (json.extensions !== void 0) { + for (const key in json.extensions) { + material.extensions[key] = json.extensions[key]; + } + } + if (json.lights !== void 0) material.lights = json.lights; + if (json.clipping !== void 0) material.clipping = json.clipping; + if (json.size !== void 0) material.size = json.size; + if (json.sizeAttenuation !== void 0) material.sizeAttenuation = json.sizeAttenuation; + if (json.map !== void 0) material.map = getTexture(json.map); + if (json.matcap !== void 0) material.matcap = getTexture(json.matcap); + if (json.alphaMap !== void 0) material.alphaMap = getTexture(json.alphaMap); + if (json.bumpMap !== void 0) material.bumpMap = getTexture(json.bumpMap); + if (json.bumpScale !== void 0) material.bumpScale = json.bumpScale; + if (json.normalMap !== void 0) material.normalMap = getTexture(json.normalMap); + if (json.normalMapType !== void 0) material.normalMapType = json.normalMapType; + if (json.normalScale !== void 0) { + let normalScale = json.normalScale; + if (Array.isArray(normalScale) === false) { + normalScale = [normalScale, normalScale]; + } + material.normalScale = new Vector2().fromArray(normalScale); + } + if (json.displacementMap !== void 0) material.displacementMap = getTexture(json.displacementMap); + if (json.displacementScale !== void 0) material.displacementScale = json.displacementScale; + if (json.displacementBias !== void 0) material.displacementBias = json.displacementBias; + if (json.roughnessMap !== void 0) material.roughnessMap = getTexture(json.roughnessMap); + if (json.metalnessMap !== void 0) material.metalnessMap = getTexture(json.metalnessMap); + if (json.emissiveMap !== void 0) material.emissiveMap = getTexture(json.emissiveMap); + if (json.emissiveIntensity !== void 0) material.emissiveIntensity = json.emissiveIntensity; + if (json.specularMap !== void 0) material.specularMap = getTexture(json.specularMap); + if (json.specularIntensityMap !== void 0) material.specularIntensityMap = getTexture(json.specularIntensityMap); + if (json.specularColorMap !== void 0) material.specularColorMap = getTexture(json.specularColorMap); + if (json.envMap !== void 0) material.envMap = getTexture(json.envMap); + if (json.envMapRotation !== void 0) material.envMapRotation.fromArray(json.envMapRotation); + if (json.envMapIntensity !== void 0) material.envMapIntensity = json.envMapIntensity; + if (json.reflectivity !== void 0) material.reflectivity = json.reflectivity; + if (json.refractionRatio !== void 0) material.refractionRatio = json.refractionRatio; + if (json.lightMap !== void 0) material.lightMap = getTexture(json.lightMap); + if (json.lightMapIntensity !== void 0) material.lightMapIntensity = json.lightMapIntensity; + if (json.aoMap !== void 0) material.aoMap = getTexture(json.aoMap); + if (json.aoMapIntensity !== void 0) material.aoMapIntensity = json.aoMapIntensity; + if (json.gradientMap !== void 0) material.gradientMap = getTexture(json.gradientMap); + if (json.clearcoatMap !== void 0) material.clearcoatMap = getTexture(json.clearcoatMap); + if (json.clearcoatRoughnessMap !== void 0) material.clearcoatRoughnessMap = getTexture(json.clearcoatRoughnessMap); + if (json.clearcoatNormalMap !== void 0) material.clearcoatNormalMap = getTexture(json.clearcoatNormalMap); + if (json.clearcoatNormalScale !== void 0) material.clearcoatNormalScale = new Vector2().fromArray(json.clearcoatNormalScale); + if (json.iridescenceMap !== void 0) material.iridescenceMap = getTexture(json.iridescenceMap); + if (json.iridescenceThicknessMap !== void 0) material.iridescenceThicknessMap = getTexture(json.iridescenceThicknessMap); + if (json.transmissionMap !== void 0) material.transmissionMap = getTexture(json.transmissionMap); + if (json.thicknessMap !== void 0) material.thicknessMap = getTexture(json.thicknessMap); + if (json.anisotropyMap !== void 0) material.anisotropyMap = getTexture(json.anisotropyMap); + if (json.sheenColorMap !== void 0) material.sheenColorMap = getTexture(json.sheenColorMap); + if (json.sheenRoughnessMap !== void 0) material.sheenRoughnessMap = getTexture(json.sheenRoughnessMap); + return material; + } + /** + * Textures are not embedded in the material JSON so they have + * to be injected before the loading process starts. + * + * @param {Object} value - A dictionary holding textures for material properties. + * @return {MaterialLoader} A reference to this material loader. + */ + setTextures(value) { + this.textures = value; + return this; + } + /** + * Creates a material for the given type. + * + * @param {string} type - The material type. + * @return {Material} The new material. + */ + createMaterialFromType(type) { + return _MaterialLoader.createMaterialFromType(type); + } + /** + * Creates a material for the given type. + * + * @static + * @param {string} type - The material type. + * @return {Material} The new material. + */ + static createMaterialFromType(type) { + const materialLib = { + ShadowMaterial, + SpriteMaterial, + RawShaderMaterial, + ShaderMaterial, + PointsMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MeshPhongMaterial, + MeshToonMaterial, + MeshNormalMaterial, + MeshLambertMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshBasicMaterial, + MeshMatcapMaterial, + LineDashedMaterial, + LineBasicMaterial, + Material + }; + return new materialLib[type](); + } +}; +var LoaderUtils = class { + /** + * Extracts the base URL from the given URL. + * + * @param {string} url -The URL to extract the base URL from. + * @return {string} The extracted base URL. + */ + static extractUrlBase(url) { + const index = url.lastIndexOf("/"); + if (index === -1) return "./"; + return url.slice(0, index + 1); + } + /** + * Resolves relative URLs against the given path. Absolute paths, data urls, + * and blob URLs will be returned as is. Invalid URLs will return an empty + * string. + * + * @param {string} url -The URL to resolve. + * @param {string} path - The base path for relative URLs to be resolved against. + * @return {string} The resolved URL. + */ + static resolveURL(url, path) { + if (typeof url !== "string" || url === "") return ""; + if (/^https?:\/\//i.test(path) && /^\//.test(url)) { + path = path.replace(/(^https?:\/\/[^\/]+).*/i, "$1"); + } + if (/^(https?:)?\/\//i.test(url)) return url; + if (/^data:.*,.*$/i.test(url)) return url; + if (/^blob:.*$/i.test(url)) return url; + return path + url; + } +}; +var InstancedBufferGeometry = class extends BufferGeometry { + /** + * Constructs a new instanced buffer geometry. + */ + constructor() { + super(); + this.isInstancedBufferGeometry = true; + this.type = "InstancedBufferGeometry"; + this.instanceCount = Infinity; + } + copy(source) { + super.copy(source); + this.instanceCount = source.instanceCount; + return this; + } + toJSON() { + const data = super.toJSON(); + data.instanceCount = this.instanceCount; + data.isInstancedBufferGeometry = true; + return data; + } +}; +var BufferGeometryLoader = class extends Loader { + /** + * Constructs a new geometry loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and pass the loaded geometry to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(scope.manager); + loader.setPath(scope.path); + loader.setRequestHeader(scope.requestHeader); + loader.setWithCredentials(scope.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(JSON.parse(text))); + } catch (e) { + if (onError) { + onError(e); + } else { + error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + /** + * Parses the given JSON object and returns a geometry. + * + * @param {Object} json - The serialized geometry. + * @return {BufferGeometry} The parsed geometry. + */ + parse(json) { + const interleavedBufferMap = {}; + const arrayBufferMap = {}; + function getInterleavedBuffer(json2, uuid) { + if (interleavedBufferMap[uuid] !== void 0) return interleavedBufferMap[uuid]; + const interleavedBuffers = json2.interleavedBuffers; + const interleavedBuffer = interleavedBuffers[uuid]; + const buffer = getArrayBuffer(json2, interleavedBuffer.buffer); + const array = getTypedArray(interleavedBuffer.type, buffer); + const ib = new InterleavedBuffer(array, interleavedBuffer.stride); + ib.uuid = interleavedBuffer.uuid; + interleavedBufferMap[uuid] = ib; + return ib; + } + function getArrayBuffer(json2, uuid) { + if (arrayBufferMap[uuid] !== void 0) return arrayBufferMap[uuid]; + const arrayBuffers = json2.arrayBuffers; + const arrayBuffer = arrayBuffers[uuid]; + const ab = new Uint32Array(arrayBuffer).buffer; + arrayBufferMap[uuid] = ab; + return ab; + } + const geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry(); + const index = json.data.index; + if (index !== void 0) { + const typedArray = getTypedArray(index.type, index.array); + geometry.setIndex(new BufferAttribute(typedArray, 1)); + } + const attributes = json.data.attributes; + for (const key in attributes) { + const attribute = attributes[key]; + let bufferAttribute; + if (attribute.isInterleavedBufferAttribute) { + const interleavedBuffer = getInterleavedBuffer(json.data, attribute.data); + bufferAttribute = new InterleavedBufferAttribute(interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized); + } else { + const typedArray = getTypedArray(attribute.type, attribute.array); + const bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute; + bufferAttribute = new bufferAttributeConstr(typedArray, attribute.itemSize, attribute.normalized); + } + if (attribute.name !== void 0) bufferAttribute.name = attribute.name; + if (attribute.usage !== void 0) bufferAttribute.setUsage(attribute.usage); + geometry.setAttribute(key, bufferAttribute); + } + const morphAttributes = json.data.morphAttributes; + if (morphAttributes) { + for (const key in morphAttributes) { + const attributeArray = morphAttributes[key]; + const array = []; + for (let i = 0, il = attributeArray.length; i < il; i++) { + const attribute = attributeArray[i]; + let bufferAttribute; + if (attribute.isInterleavedBufferAttribute) { + const interleavedBuffer = getInterleavedBuffer(json.data, attribute.data); + bufferAttribute = new InterleavedBufferAttribute(interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized); + } else { + const typedArray = getTypedArray(attribute.type, attribute.array); + bufferAttribute = new BufferAttribute(typedArray, attribute.itemSize, attribute.normalized); + } + if (attribute.name !== void 0) bufferAttribute.name = attribute.name; + array.push(bufferAttribute); + } + geometry.morphAttributes[key] = array; + } + } + const morphTargetsRelative = json.data.morphTargetsRelative; + if (morphTargetsRelative) { + geometry.morphTargetsRelative = true; + } + const groups = json.data.groups || json.data.drawcalls || json.data.offsets; + if (groups !== void 0) { + for (let i = 0, n = groups.length; i !== n; ++i) { + const group = groups[i]; + geometry.addGroup(group.start, group.count, group.materialIndex); + } + } + const boundingSphere = json.data.boundingSphere; + if (boundingSphere !== void 0) { + geometry.boundingSphere = new Sphere().fromJSON(boundingSphere); + } + if (json.name) geometry.name = json.name; + if (json.userData) geometry.userData = json.userData; + return geometry; + } +}; +var ObjectLoader = class extends Loader { + /** + * Constructs a new object loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and pass the loaded 3D object to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Object3D)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const path = this.path === "" ? LoaderUtils.extractUrlBase(url) : this.path; + this.resourcePath = this.resourcePath || path; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(text) { + let json = null; + try { + json = JSON.parse(text); + } catch (error2) { + if (onError !== void 0) onError(error2); + error2("ObjectLoader: Can't parse " + url + ".", error2.message); + return; + } + const metadata = json.metadata; + if (metadata === void 0 || metadata.type === void 0 || metadata.type.toLowerCase() === "geometry") { + if (onError !== void 0) onError(new Error("THREE.ObjectLoader: Can't load " + url)); + error("ObjectLoader: Can't load " + url); + return; + } + scope.parse(json, onLoad); + }, onProgress, onError); + } + /** + * Async version of {@link ObjectLoader#load}. + * + * @async + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @return {Promise} A Promise that resolves with the loaded 3D object. + */ + async loadAsync(url, onProgress) { + const scope = this; + const path = this.path === "" ? LoaderUtils.extractUrlBase(url) : this.path; + this.resourcePath = this.resourcePath || path; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + const text = await loader.loadAsync(url, onProgress); + const json = JSON.parse(text); + const metadata = json.metadata; + if (metadata === void 0 || metadata.type === void 0 || metadata.type.toLowerCase() === "geometry") { + throw new Error("THREE.ObjectLoader: Can't load " + url); + } + return await scope.parseAsync(json); + } + /** + * Parses the given JSON. This is used internally by {@link ObjectLoader#load} + * but can also be used directly to parse a previously loaded JSON structure. + * + * @param {Object} json - The serialized 3D object. + * @param {onLoad} onLoad - Executed when all resources (e.g. textures) have been fully loaded. + * @return {Object3D} The parsed 3D object. + */ + parse(json, onLoad) { + const animations = this.parseAnimations(json.animations); + const shapes = this.parseShapes(json.shapes); + const geometries = this.parseGeometries(json.geometries, shapes); + const images = this.parseImages(json.images, function() { + if (onLoad !== void 0) onLoad(object); + }); + const textures = this.parseTextures(json.textures, images); + const materials = this.parseMaterials(json.materials, textures); + const object = this.parseObject(json.object, geometries, materials, textures, animations); + const skeletons = this.parseSkeletons(json.skeletons, object); + this.bindSkeletons(object, skeletons); + this.bindLightTargets(object); + if (onLoad !== void 0) { + let hasImages = false; + for (const uuid in images) { + if (images[uuid].data instanceof HTMLImageElement) { + hasImages = true; + break; + } + } + if (hasImages === false) onLoad(object); + } + return object; + } + /** + * Async version of {@link ObjectLoader#parse}. + * + * @param {Object} json - The serialized 3D object. + * @return {Promise} A Promise that resolves with the parsed 3D object. + */ + async parseAsync(json) { + const animations = this.parseAnimations(json.animations); + const shapes = this.parseShapes(json.shapes); + const geometries = this.parseGeometries(json.geometries, shapes); + const images = await this.parseImagesAsync(json.images); + const textures = this.parseTextures(json.textures, images); + const materials = this.parseMaterials(json.materials, textures); + const object = this.parseObject(json.object, geometries, materials, textures, animations); + const skeletons = this.parseSkeletons(json.skeletons, object); + this.bindSkeletons(object, skeletons); + this.bindLightTargets(object); + return object; + } + // internals + parseShapes(json) { + const shapes = {}; + if (json !== void 0) { + for (let i = 0, l = json.length; i < l; i++) { + const shape = new Shape().fromJSON(json[i]); + shapes[shape.uuid] = shape; + } + } + return shapes; + } + parseSkeletons(json, object) { + const skeletons = {}; + const bones = {}; + object.traverse(function(child) { + if (child.isBone) bones[child.uuid] = child; + }); + if (json !== void 0) { + for (let i = 0, l = json.length; i < l; i++) { + const skeleton = new Skeleton().fromJSON(json[i], bones); + skeletons[skeleton.uuid] = skeleton; + } + } + return skeletons; + } + parseGeometries(json, shapes) { + const geometries = {}; + if (json !== void 0) { + const bufferGeometryLoader = new BufferGeometryLoader(); + for (let i = 0, l = json.length; i < l; i++) { + let geometry; + const data = json[i]; + switch (data.type) { + case "BufferGeometry": + case "InstancedBufferGeometry": + geometry = bufferGeometryLoader.parse(data); + break; + default: + if (data.type in Geometries) { + geometry = Geometries[data.type].fromJSON(data, shapes); + } else { + warn(`ObjectLoader: Unsupported geometry type "${data.type}"`); + } + } + geometry.uuid = data.uuid; + if (data.name !== void 0) geometry.name = data.name; + if (data.userData !== void 0) geometry.userData = data.userData; + geometries[data.uuid] = geometry; + } + } + return geometries; + } + parseMaterials(json, textures) { + const cache = {}; + const materials = {}; + if (json !== void 0) { + const loader = new MaterialLoader(); + loader.setTextures(textures); + for (let i = 0, l = json.length; i < l; i++) { + const data = json[i]; + if (cache[data.uuid] === void 0) { + cache[data.uuid] = loader.parse(data); + } + materials[data.uuid] = cache[data.uuid]; + } + } + return materials; + } + parseAnimations(json) { + const animations = {}; + if (json !== void 0) { + for (let i = 0; i < json.length; i++) { + const data = json[i]; + const clip = AnimationClip.parse(data); + animations[clip.uuid] = clip; + } + } + return animations; + } + parseImages(json, onLoad) { + const scope = this; + const images = {}; + let loader; + function loadImage(url) { + scope.manager.itemStart(url); + return loader.load(url, function() { + scope.manager.itemEnd(url); + }, void 0, function() { + scope.manager.itemError(url); + scope.manager.itemEnd(url); + }); + } + function deserializeImage(image) { + if (typeof image === "string") { + const url = image; + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test(url) ? url : scope.resourcePath + url; + return loadImage(path); + } else { + if (image.data) { + return { + data: getTypedArray(image.type, image.data), + width: image.width, + height: image.height + }; + } else { + return null; + } + } + } + if (json !== void 0 && json.length > 0) { + const manager = new LoadingManager(onLoad); + loader = new ImageLoader(manager); + loader.setCrossOrigin(this.crossOrigin); + for (let i = 0, il = json.length; i < il; i++) { + const image = json[i]; + const url = image.url; + if (Array.isArray(url)) { + const imageArray = []; + for (let j = 0, jl = url.length; j < jl; j++) { + const currentUrl = url[j]; + const deserializedImage = deserializeImage(currentUrl); + if (deserializedImage !== null) { + if (deserializedImage instanceof HTMLImageElement) { + imageArray.push(deserializedImage); + } else { + imageArray.push(new DataTexture(deserializedImage.data, deserializedImage.width, deserializedImage.height)); + } + } + } + images[image.uuid] = new Source(imageArray); + } else { + const deserializedImage = deserializeImage(image.url); + images[image.uuid] = new Source(deserializedImage); + } + } + } + return images; + } + async parseImagesAsync(json) { + const scope = this; + const images = {}; + let loader; + async function deserializeImage(image) { + if (typeof image === "string") { + const url = image; + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test(url) ? url : scope.resourcePath + url; + return await loader.loadAsync(path); + } else { + if (image.data) { + return { + data: getTypedArray(image.type, image.data), + width: image.width, + height: image.height + }; + } else { + return null; + } + } + } + if (json !== void 0 && json.length > 0) { + loader = new ImageLoader(this.manager); + loader.setCrossOrigin(this.crossOrigin); + for (let i = 0, il = json.length; i < il; i++) { + const image = json[i]; + const url = image.url; + if (Array.isArray(url)) { + const imageArray = []; + for (let j = 0, jl = url.length; j < jl; j++) { + const currentUrl = url[j]; + const deserializedImage = await deserializeImage(currentUrl); + if (deserializedImage !== null) { + if (deserializedImage instanceof HTMLImageElement) { + imageArray.push(deserializedImage); + } else { + imageArray.push(new DataTexture(deserializedImage.data, deserializedImage.width, deserializedImage.height)); + } + } + } + images[image.uuid] = new Source(imageArray); + } else { + const deserializedImage = await deserializeImage(image.url); + images[image.uuid] = new Source(deserializedImage); + } + } + } + return images; + } + parseTextures(json, images) { + function parseConstant(value, type) { + if (typeof value === "number") return value; + warn("ObjectLoader.parseTexture: Constant should be in numeric form.", value); + return type[value]; + } + const textures = {}; + if (json !== void 0) { + for (let i = 0, l = json.length; i < l; i++) { + const data = json[i]; + if (data.image === void 0) { + warn('ObjectLoader: No "image" specified for', data.uuid); + } + if (images[data.image] === void 0) { + warn("ObjectLoader: Undefined image", data.image); + } + const source = images[data.image]; + const image = source.data; + let texture; + if (Array.isArray(image)) { + texture = new CubeTexture(); + if (image.length === 6) texture.needsUpdate = true; + } else { + if (image && image.data) { + texture = new DataTexture(); + } else { + texture = new Texture(); + } + if (image) texture.needsUpdate = true; + } + texture.source = source; + texture.uuid = data.uuid; + if (data.name !== void 0) texture.name = data.name; + if (data.mapping !== void 0) texture.mapping = parseConstant(data.mapping, TEXTURE_MAPPING); + if (data.channel !== void 0) texture.channel = data.channel; + if (data.offset !== void 0) texture.offset.fromArray(data.offset); + if (data.repeat !== void 0) texture.repeat.fromArray(data.repeat); + if (data.center !== void 0) texture.center.fromArray(data.center); + if (data.rotation !== void 0) texture.rotation = data.rotation; + if (data.wrap !== void 0) { + texture.wrapS = parseConstant(data.wrap[0], TEXTURE_WRAPPING); + texture.wrapT = parseConstant(data.wrap[1], TEXTURE_WRAPPING); + } + if (data.format !== void 0) texture.format = data.format; + if (data.internalFormat !== void 0) texture.internalFormat = data.internalFormat; + if (data.type !== void 0) texture.type = data.type; + if (data.colorSpace !== void 0) texture.colorSpace = data.colorSpace; + if (data.minFilter !== void 0) texture.minFilter = parseConstant(data.minFilter, TEXTURE_FILTER); + if (data.magFilter !== void 0) texture.magFilter = parseConstant(data.magFilter, TEXTURE_FILTER); + if (data.anisotropy !== void 0) texture.anisotropy = data.anisotropy; + if (data.flipY !== void 0) texture.flipY = data.flipY; + if (data.generateMipmaps !== void 0) texture.generateMipmaps = data.generateMipmaps; + if (data.premultiplyAlpha !== void 0) texture.premultiplyAlpha = data.premultiplyAlpha; + if (data.unpackAlignment !== void 0) texture.unpackAlignment = data.unpackAlignment; + if (data.compareFunction !== void 0) texture.compareFunction = data.compareFunction; + if (data.userData !== void 0) texture.userData = data.userData; + textures[data.uuid] = texture; + } + } + return textures; + } + parseObject(data, geometries, materials, textures, animations) { + let object; + function getGeometry(name) { + if (geometries[name] === void 0) { + warn("ObjectLoader: Undefined geometry", name); + } + return geometries[name]; + } + function getMaterial(name) { + if (name === void 0) return void 0; + if (Array.isArray(name)) { + const array = []; + for (let i = 0, l = name.length; i < l; i++) { + const uuid = name[i]; + if (materials[uuid] === void 0) { + warn("ObjectLoader: Undefined material", uuid); + } + array.push(materials[uuid]); + } + return array; + } + if (materials[name] === void 0) { + warn("ObjectLoader: Undefined material", name); + } + return materials[name]; + } + function getTexture(uuid) { + if (textures[uuid] === void 0) { + warn("ObjectLoader: Undefined texture", uuid); + } + return textures[uuid]; + } + let geometry, material; + switch (data.type) { + case "Scene": + object = new Scene(); + if (data.background !== void 0) { + if (Number.isInteger(data.background)) { + object.background = new Color(data.background); + } else { + object.background = getTexture(data.background); + } + } + if (data.environment !== void 0) { + object.environment = getTexture(data.environment); + } + if (data.fog !== void 0) { + if (data.fog.type === "Fog") { + object.fog = new Fog(data.fog.color, data.fog.near, data.fog.far); + } else if (data.fog.type === "FogExp2") { + object.fog = new FogExp2(data.fog.color, data.fog.density); + } + if (data.fog.name !== "") { + object.fog.name = data.fog.name; + } + } + if (data.backgroundBlurriness !== void 0) object.backgroundBlurriness = data.backgroundBlurriness; + if (data.backgroundIntensity !== void 0) object.backgroundIntensity = data.backgroundIntensity; + if (data.backgroundRotation !== void 0) object.backgroundRotation.fromArray(data.backgroundRotation); + if (data.environmentIntensity !== void 0) object.environmentIntensity = data.environmentIntensity; + if (data.environmentRotation !== void 0) object.environmentRotation.fromArray(data.environmentRotation); + break; + case "PerspectiveCamera": + object = new PerspectiveCamera(data.fov, data.aspect, data.near, data.far); + if (data.focus !== void 0) object.focus = data.focus; + if (data.zoom !== void 0) object.zoom = data.zoom; + if (data.filmGauge !== void 0) object.filmGauge = data.filmGauge; + if (data.filmOffset !== void 0) object.filmOffset = data.filmOffset; + if (data.view !== void 0) object.view = Object.assign({}, data.view); + break; + case "OrthographicCamera": + object = new OrthographicCamera(data.left, data.right, data.top, data.bottom, data.near, data.far); + if (data.zoom !== void 0) object.zoom = data.zoom; + if (data.view !== void 0) object.view = Object.assign({}, data.view); + break; + case "AmbientLight": + object = new AmbientLight(data.color, data.intensity); + break; + case "DirectionalLight": + object = new DirectionalLight(data.color, data.intensity); + object.target = data.target || ""; + break; + case "PointLight": + object = new PointLight(data.color, data.intensity, data.distance, data.decay); + break; + case "RectAreaLight": + object = new RectAreaLight(data.color, data.intensity, data.width, data.height); + break; + case "SpotLight": + object = new SpotLight(data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay); + object.target = data.target || ""; + break; + case "HemisphereLight": + object = new HemisphereLight(data.color, data.groundColor, data.intensity); + break; + case "LightProbe": + object = new LightProbe().fromJSON(data); + break; + case "SkinnedMesh": + geometry = getGeometry(data.geometry); + material = getMaterial(data.material); + object = new SkinnedMesh(geometry, material); + if (data.bindMode !== void 0) object.bindMode = data.bindMode; + if (data.bindMatrix !== void 0) object.bindMatrix.fromArray(data.bindMatrix); + if (data.skeleton !== void 0) object.skeleton = data.skeleton; + break; + case "Mesh": + geometry = getGeometry(data.geometry); + material = getMaterial(data.material); + object = new Mesh(geometry, material); + break; + case "InstancedMesh": + geometry = getGeometry(data.geometry); + material = getMaterial(data.material); + const count = data.count; + const instanceMatrix = data.instanceMatrix; + const instanceColor = data.instanceColor; + object = new InstancedMesh(geometry, material, count); + object.instanceMatrix = new InstancedBufferAttribute(new Float32Array(instanceMatrix.array), 16); + if (instanceColor !== void 0) object.instanceColor = new InstancedBufferAttribute(new Float32Array(instanceColor.array), instanceColor.itemSize); + break; + case "BatchedMesh": + geometry = getGeometry(data.geometry); + material = getMaterial(data.material); + object = new BatchedMesh(data.maxInstanceCount, data.maxVertexCount, data.maxIndexCount, material); + object.geometry = geometry; + object.perObjectFrustumCulled = data.perObjectFrustumCulled; + object.sortObjects = data.sortObjects; + object._drawRanges = data.drawRanges; + object._reservedRanges = data.reservedRanges; + object._geometryInfo = data.geometryInfo.map((info) => { + let box = null; + let sphere = null; + if (info.boundingBox !== void 0) { + box = new Box3().fromJSON(info.boundingBox); + } + if (info.boundingSphere !== void 0) { + sphere = new Sphere().fromJSON(info.boundingSphere); + } + return { + ...info, + boundingBox: box, + boundingSphere: sphere + }; + }); + object._instanceInfo = data.instanceInfo; + object._availableInstanceIds = data._availableInstanceIds; + object._availableGeometryIds = data._availableGeometryIds; + object._nextIndexStart = data.nextIndexStart; + object._nextVertexStart = data.nextVertexStart; + object._geometryCount = data.geometryCount; + object._maxInstanceCount = data.maxInstanceCount; + object._maxVertexCount = data.maxVertexCount; + object._maxIndexCount = data.maxIndexCount; + object._geometryInitialized = data.geometryInitialized; + object._matricesTexture = getTexture(data.matricesTexture.uuid); + object._indirectTexture = getTexture(data.indirectTexture.uuid); + if (data.colorsTexture !== void 0) { + object._colorsTexture = getTexture(data.colorsTexture.uuid); + } + if (data.boundingSphere !== void 0) { + object.boundingSphere = new Sphere().fromJSON(data.boundingSphere); + } + if (data.boundingBox !== void 0) { + object.boundingBox = new Box3().fromJSON(data.boundingBox); + } + break; + case "LOD": + object = new LOD(); + break; + case "Line": + object = new Line(getGeometry(data.geometry), getMaterial(data.material)); + break; + case "LineLoop": + object = new LineLoop(getGeometry(data.geometry), getMaterial(data.material)); + break; + case "LineSegments": + object = new LineSegments(getGeometry(data.geometry), getMaterial(data.material)); + break; + case "PointCloud": + case "Points": + object = new Points(getGeometry(data.geometry), getMaterial(data.material)); + break; + case "Sprite": + object = new Sprite(getMaterial(data.material)); + break; + case "Group": + object = new Group(); + break; + case "Bone": + object = new Bone(); + break; + default: + object = new Object3D(); + } + object.uuid = data.uuid; + if (data.name !== void 0) object.name = data.name; + if (data.matrix !== void 0) { + object.matrix.fromArray(data.matrix); + if (data.matrixAutoUpdate !== void 0) object.matrixAutoUpdate = data.matrixAutoUpdate; + if (object.matrixAutoUpdate) object.matrix.decompose(object.position, object.quaternion, object.scale); + } else { + if (data.position !== void 0) object.position.fromArray(data.position); + if (data.rotation !== void 0) object.rotation.fromArray(data.rotation); + if (data.quaternion !== void 0) object.quaternion.fromArray(data.quaternion); + if (data.scale !== void 0) object.scale.fromArray(data.scale); + } + if (data.up !== void 0) object.up.fromArray(data.up); + if (data.castShadow !== void 0) object.castShadow = data.castShadow; + if (data.receiveShadow !== void 0) object.receiveShadow = data.receiveShadow; + if (data.shadow) { + if (data.shadow.intensity !== void 0) object.shadow.intensity = data.shadow.intensity; + if (data.shadow.bias !== void 0) object.shadow.bias = data.shadow.bias; + if (data.shadow.normalBias !== void 0) object.shadow.normalBias = data.shadow.normalBias; + if (data.shadow.radius !== void 0) object.shadow.radius = data.shadow.radius; + if (data.shadow.mapSize !== void 0) object.shadow.mapSize.fromArray(data.shadow.mapSize); + if (data.shadow.camera !== void 0) object.shadow.camera = this.parseObject(data.shadow.camera); + } + if (data.visible !== void 0) object.visible = data.visible; + if (data.frustumCulled !== void 0) object.frustumCulled = data.frustumCulled; + if (data.renderOrder !== void 0) object.renderOrder = data.renderOrder; + if (data.userData !== void 0) object.userData = data.userData; + if (data.layers !== void 0) object.layers.mask = data.layers; + if (data.children !== void 0) { + const children = data.children; + for (let i = 0; i < children.length; i++) { + object.add(this.parseObject(children[i], geometries, materials, textures, animations)); + } + } + if (data.animations !== void 0) { + const objectAnimations = data.animations; + for (let i = 0; i < objectAnimations.length; i++) { + const uuid = objectAnimations[i]; + object.animations.push(animations[uuid]); + } + } + if (data.type === "LOD") { + if (data.autoUpdate !== void 0) object.autoUpdate = data.autoUpdate; + const levels = data.levels; + for (let l = 0; l < levels.length; l++) { + const level = levels[l]; + const child = object.getObjectByProperty("uuid", level.object); + if (child !== void 0) { + object.addLevel(child, level.distance, level.hysteresis); + } + } + } + return object; + } + bindSkeletons(object, skeletons) { + if (Object.keys(skeletons).length === 0) return; + object.traverse(function(child) { + if (child.isSkinnedMesh === true && child.skeleton !== void 0) { + const skeleton = skeletons[child.skeleton]; + if (skeleton === void 0) { + warn("ObjectLoader: No skeleton found with UUID:", child.skeleton); + } else { + child.bind(skeleton, child.bindMatrix); + } + } + }); + } + bindLightTargets(object) { + object.traverse(function(child) { + if (child.isDirectionalLight || child.isSpotLight) { + const uuid = child.target; + const target = object.getObjectByProperty("uuid", uuid); + if (target !== void 0) { + child.target = target; + } else { + child.target = new Object3D(); + } + } + }); + } +}; +var TEXTURE_MAPPING = { + UVMapping, + CubeReflectionMapping, + CubeRefractionMapping, + EquirectangularReflectionMapping, + EquirectangularRefractionMapping, + CubeUVReflectionMapping +}; +var TEXTURE_WRAPPING = { + RepeatWrapping, + ClampToEdgeWrapping, + MirroredRepeatWrapping +}; +var TEXTURE_FILTER = { + NearestFilter, + NearestMipmapNearestFilter, + NearestMipmapLinearFilter, + LinearFilter, + LinearMipmapNearestFilter, + LinearMipmapLinearFilter +}; +var _errorMap = /* @__PURE__ */ new WeakMap(); +var ImageBitmapLoader = class extends Loader { + /** + * Constructs a new image bitmap loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + this.isImageBitmapLoader = true; + if (typeof createImageBitmap === "undefined") { + warn("ImageBitmapLoader: createImageBitmap() not supported."); + } + if (typeof fetch === "undefined") { + warn("ImageBitmapLoader: fetch() not supported."); + } + this.options = { premultiplyAlpha: "none" }; + this._abortController = new AbortController(); + } + /** + * Sets the given loader options. The structure of the object must match the `options` parameter of + * [createImageBitmap](https://developer.mozilla.org/en-US/docs/Web/API/Window/createImageBitmap). + * + * @param {Object} options - The loader options to set. + * @return {ImageBitmapLoader} A reference to this image bitmap loader. + */ + setOptions(options) { + this.options = options; + return this; + } + /** + * Starts loading from the given URL and pass the loaded image bitmap to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(ImageBitmap)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Unsupported in this loader. + * @param {onErrorCallback} onError - Executed when errors occur. + * @return {ImageBitmap|undefined} The image bitmap. + */ + load(url, onLoad, onProgress, onError) { + if (url === void 0) url = ""; + if (this.path !== void 0) url = this.path + url; + url = this.manager.resolveURL(url); + const scope = this; + const cached = Cache.get(`image-bitmap:${url}`); + if (cached !== void 0) { + scope.manager.itemStart(url); + if (cached.then) { + cached.then((imageBitmap) => { + if (_errorMap.has(cached) === true) { + if (onError) onError(_errorMap.get(cached)); + scope.manager.itemError(url); + scope.manager.itemEnd(url); + } else { + if (onLoad) onLoad(imageBitmap); + scope.manager.itemEnd(url); + return imageBitmap; + } + }); + return; + } + setTimeout(function() { + if (onLoad) onLoad(cached); + scope.manager.itemEnd(url); + }, 0); + return cached; + } + const fetchOptions = {}; + fetchOptions.credentials = this.crossOrigin === "anonymous" ? "same-origin" : "include"; + fetchOptions.headers = this.requestHeader; + fetchOptions.signal = typeof AbortSignal.any === "function" ? AbortSignal.any([this._abortController.signal, this.manager.abortController.signal]) : this._abortController.signal; + const promise = fetch(url, fetchOptions).then(function(res) { + return res.blob(); + }).then(function(blob) { + return createImageBitmap(blob, Object.assign(scope.options, { colorSpaceConversion: "none" })); + }).then(function(imageBitmap) { + Cache.add(`image-bitmap:${url}`, imageBitmap); + if (onLoad) onLoad(imageBitmap); + scope.manager.itemEnd(url); + return imageBitmap; + }).catch(function(e) { + if (onError) onError(e); + _errorMap.set(promise, e); + Cache.remove(`image-bitmap:${url}`); + scope.manager.itemError(url); + scope.manager.itemEnd(url); + }); + Cache.add(`image-bitmap:${url}`, promise); + scope.manager.itemStart(url); + } + /** + * Aborts ongoing fetch requests. + * + * @return {ImageBitmapLoader} A reference to this instance. + */ + abort() { + this._abortController.abort(); + this._abortController = new AbortController(); + return this; + } +}; +var _context; +var AudioContext = class { + /** + * Returns the global native audio context. + * + * @return {AudioContext} The native audio context. + */ + static getContext() { + if (_context === void 0) { + _context = new (window.AudioContext || window.webkitAudioContext)(); + } + return _context; + } + /** + * Allows to set the global native audio context from outside. + * + * @param {AudioContext} value - The native context to set. + */ + static setContext(value) { + _context = value; + } +}; +var AudioLoader = class extends Loader { + /** + * Constructs a new audio loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and passes the loaded audio buffer + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(AudioBuffer)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(this.manager); + loader.setResponseType("arraybuffer"); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(buffer) { + try { + const bufferCopy = buffer.slice(0); + const context = AudioContext.getContext(); + context.decodeAudioData(bufferCopy, function(audioBuffer) { + onLoad(audioBuffer); + }).catch(handleError); + } catch (e) { + handleError(e); + } + }, onProgress, onError); + function handleError(e) { + if (onError) { + onError(e); + } else { + error(e); + } + scope.manager.itemError(url); + } + } +}; +var _eyeRight = new Matrix4(); +var _eyeLeft = new Matrix4(); +var _projectionMatrix = new Matrix4(); +var StereoCamera = class { + /** + * Constructs a new stereo camera. + */ + constructor() { + this.type = "StereoCamera"; + this.aspect = 1; + this.eyeSep = 0.064; + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable(1); + this.cameraL.matrixAutoUpdate = false; + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable(2); + this.cameraR.matrixAutoUpdate = false; + this._cache = { + focus: null, + fov: null, + aspect: null, + near: null, + far: null, + zoom: null, + eyeSep: null + }; + } + /** + * Updates the stereo camera based on the given perspective camera. + * + * @param {PerspectiveCamera} camera - The perspective camera. + */ + update(camera) { + const cache = this._cache; + const needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov || cache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near || cache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep; + if (needsUpdate) { + cache.focus = camera.focus; + cache.fov = camera.fov; + cache.aspect = camera.aspect * this.aspect; + cache.near = camera.near; + cache.far = camera.far; + cache.zoom = camera.zoom; + cache.eyeSep = this.eyeSep; + _projectionMatrix.copy(camera.projectionMatrix); + const eyeSepHalf = cache.eyeSep / 2; + const eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus; + const ymax = cache.near * Math.tan(DEG2RAD * cache.fov * 0.5) / cache.zoom; + let xmin, xmax; + _eyeLeft.elements[12] = -eyeSepHalf; + _eyeRight.elements[12] = eyeSepHalf; + xmin = -ymax * cache.aspect + eyeSepOnProjection; + xmax = ymax * cache.aspect + eyeSepOnProjection; + _projectionMatrix.elements[0] = 2 * cache.near / (xmax - xmin); + _projectionMatrix.elements[8] = (xmax + xmin) / (xmax - xmin); + this.cameraL.projectionMatrix.copy(_projectionMatrix); + xmin = -ymax * cache.aspect - eyeSepOnProjection; + xmax = ymax * cache.aspect - eyeSepOnProjection; + _projectionMatrix.elements[0] = 2 * cache.near / (xmax - xmin); + _projectionMatrix.elements[8] = (xmax + xmin) / (xmax - xmin); + this.cameraR.projectionMatrix.copy(_projectionMatrix); + } + this.cameraL.matrixWorld.copy(camera.matrixWorld).multiply(_eyeLeft); + this.cameraR.matrixWorld.copy(camera.matrixWorld).multiply(_eyeRight); + } +}; +var ArrayCamera = class extends PerspectiveCamera { + /** + * Constructs a new array camera. + * + * @param {Array} [array=[]] - An array of perspective sub cameras. + */ + constructor(array = []) { + super(); + this.isArrayCamera = true; + this.isMultiViewCamera = false; + this.cameras = array; + } +}; +var Clock = class { + /** + * Constructs a new clock. + * + * @param {boolean} [autoStart=true] - Whether to automatically start the clock when + * `getDelta()` is called for the first time. + */ + constructor(autoStart = true) { + this.autoStart = autoStart; + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; + this.running = false; + } + /** + * Starts the clock. When `autoStart` is set to `true`, the method is automatically + * called by the class. + */ + start() { + this.startTime = performance.now(); + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; + } + /** + * Stops the clock. + */ + stop() { + this.getElapsedTime(); + this.running = false; + this.autoStart = false; + } + /** + * Returns the elapsed time in seconds. + * + * @return {number} The elapsed time. + */ + getElapsedTime() { + this.getDelta(); + return this.elapsedTime; + } + /** + * Returns the delta time in seconds. + * + * @return {number} The delta time. + */ + getDelta() { + let diff = 0; + if (this.autoStart && !this.running) { + this.start(); + return 0; + } + if (this.running) { + const newTime = performance.now(); + diff = (newTime - this.oldTime) / 1e3; + this.oldTime = newTime; + this.elapsedTime += diff; + } + return diff; + } +}; +var _position$1 = new Vector3(); +var _quaternion$1 = new Quaternion(); +var _scale$1 = new Vector3(); +var _forward = new Vector3(); +var _up = new Vector3(); +var AudioListener = class extends Object3D { + /** + * Constructs a new audio listener. + */ + constructor() { + super(); + this.type = "AudioListener"; + this.context = AudioContext.getContext(); + this.gain = this.context.createGain(); + this.gain.connect(this.context.destination); + this.filter = null; + this.timeDelta = 0; + this._clock = new Clock(); + } + /** + * Returns the listener's input node. + * + * This method is used by other audio nodes to connect to this listener. + * + * @return {GainNode} The input node. + */ + getInput() { + return this.gain; + } + /** + * Removes the current filter from this listener. + * + * @return {AudioListener} A reference to this listener. + */ + removeFilter() { + if (this.filter !== null) { + this.gain.disconnect(this.filter); + this.filter.disconnect(this.context.destination); + this.gain.connect(this.context.destination); + this.filter = null; + } + return this; + } + /** + * Returns the current set filter. + * + * @return {?AudioNode} The filter. + */ + getFilter() { + return this.filter; + } + /** + * Sets the given filter to this listener. + * + * @param {AudioNode} value - The filter to set. + * @return {AudioListener} A reference to this listener. + */ + setFilter(value) { + if (this.filter !== null) { + this.gain.disconnect(this.filter); + this.filter.disconnect(this.context.destination); + } else { + this.gain.disconnect(this.context.destination); + } + this.filter = value; + this.gain.connect(this.filter); + this.filter.connect(this.context.destination); + return this; + } + /** + * Returns the applications master volume. + * + * @return {number} The master volume. + */ + getMasterVolume() { + return this.gain.gain.value; + } + /** + * Sets the applications master volume. This volume setting affects + * all audio nodes in the scene. + * + * @param {number} value - The master volume to set. + * @return {AudioListener} A reference to this listener. + */ + setMasterVolume(value) { + this.gain.gain.setTargetAtTime(value, this.context.currentTime, 0.01); + return this; + } + updateMatrixWorld(force) { + super.updateMatrixWorld(force); + const listener = this.context.listener; + this.timeDelta = this._clock.getDelta(); + this.matrixWorld.decompose(_position$1, _quaternion$1, _scale$1); + _forward.set(0, 0, -1).applyQuaternion(_quaternion$1); + _up.set(0, 1, 0).applyQuaternion(_quaternion$1); + if (listener.positionX) { + const endTime = this.context.currentTime + this.timeDelta; + listener.positionX.linearRampToValueAtTime(_position$1.x, endTime); + listener.positionY.linearRampToValueAtTime(_position$1.y, endTime); + listener.positionZ.linearRampToValueAtTime(_position$1.z, endTime); + listener.forwardX.linearRampToValueAtTime(_forward.x, endTime); + listener.forwardY.linearRampToValueAtTime(_forward.y, endTime); + listener.forwardZ.linearRampToValueAtTime(_forward.z, endTime); + listener.upX.linearRampToValueAtTime(_up.x, endTime); + listener.upY.linearRampToValueAtTime(_up.y, endTime); + listener.upZ.linearRampToValueAtTime(_up.z, endTime); + } else { + listener.setPosition(_position$1.x, _position$1.y, _position$1.z); + listener.setOrientation(_forward.x, _forward.y, _forward.z, _up.x, _up.y, _up.z); + } + } +}; +var Audio = class extends Object3D { + /** + * Constructs a new audio. + * + * @param {AudioListener} listener - The global audio listener. + */ + constructor(listener) { + super(); + this.type = "Audio"; + this.listener = listener; + this.context = listener.context; + this.gain = this.context.createGain(); + this.gain.connect(listener.getInput()); + this.autoplay = false; + this.buffer = null; + this.detune = 0; + this.loop = false; + this.loopStart = 0; + this.loopEnd = 0; + this.offset = 0; + this.duration = void 0; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.source = null; + this.sourceType = "empty"; + this._startedAt = 0; + this._progress = 0; + this._connected = false; + this.filters = []; + } + /** + * Returns the output audio node. + * + * @return {GainNode} The output node. + */ + getOutput() { + return this.gain; + } + /** + * Sets the given audio node as the source of this instance. + * + * {@link Audio#sourceType} is set to `audioNode` and {@link Audio#hasPlaybackControl} to `false`. + * + * @param {AudioNode} audioNode - The audio node like an instance of `OscillatorNode`. + * @return {Audio} A reference to this instance. + */ + setNodeSource(audioNode) { + this.hasPlaybackControl = false; + this.sourceType = "audioNode"; + this.source = audioNode; + this.connect(); + return this; + } + /** + * Sets the given media element as the source of this instance. + * + * {@link Audio#sourceType} is set to `mediaNode` and {@link Audio#hasPlaybackControl} to `false`. + * + * @param {HTMLMediaElement} mediaElement - The media element. + * @return {Audio} A reference to this instance. + */ + setMediaElementSource(mediaElement) { + this.hasPlaybackControl = false; + this.sourceType = "mediaNode"; + this.source = this.context.createMediaElementSource(mediaElement); + this.connect(); + return this; + } + /** + * Sets the given media stream as the source of this instance. + * + * {@link Audio#sourceType} is set to `mediaStreamNode` and {@link Audio#hasPlaybackControl} to `false`. + * + * @param {MediaStream} mediaStream - The media stream. + * @return {Audio} A reference to this instance. + */ + setMediaStreamSource(mediaStream) { + this.hasPlaybackControl = false; + this.sourceType = "mediaStreamNode"; + this.source = this.context.createMediaStreamSource(mediaStream); + this.connect(); + return this; + } + /** + * Sets the given audio buffer as the source of this instance. + * + * {@link Audio#sourceType} is set to `buffer` and {@link Audio#hasPlaybackControl} to `true`. + * + * @param {AudioBuffer} audioBuffer - The audio buffer. + * @return {Audio} A reference to this instance. + */ + setBuffer(audioBuffer) { + this.buffer = audioBuffer; + this.sourceType = "buffer"; + if (this.autoplay) this.play(); + return this; + } + /** + * Starts the playback of the audio. + * + * Can only be used with compatible audio sources that allow playback control. + * + * @param {number} [delay=0] - The delay, in seconds, at which the audio should start playing. + * @return {Audio|undefined} A reference to this instance. + */ + play(delay = 0) { + if (this.isPlaying === true) { + warn("Audio: Audio is already playing."); + return; + } + if (this.hasPlaybackControl === false) { + warn("Audio: this Audio has no playback control."); + return; + } + this._startedAt = this.context.currentTime + delay; + const source = this.context.createBufferSource(); + source.buffer = this.buffer; + source.loop = this.loop; + source.loopStart = this.loopStart; + source.loopEnd = this.loopEnd; + source.onended = this.onEnded.bind(this); + source.start(this._startedAt, this._progress + this.offset, this.duration); + this.isPlaying = true; + this.source = source; + this.setDetune(this.detune); + this.setPlaybackRate(this.playbackRate); + return this.connect(); + } + /** + * Pauses the playback of the audio. + * + * Can only be used with compatible audio sources that allow playback control. + * + * @return {Audio|undefined} A reference to this instance. + */ + pause() { + if (this.hasPlaybackControl === false) { + warn("Audio: this Audio has no playback control."); + return; + } + if (this.isPlaying === true) { + this._progress += Math.max(this.context.currentTime - this._startedAt, 0) * this.playbackRate; + if (this.loop === true) { + this._progress = this._progress % (this.duration || this.buffer.duration); + } + this.source.stop(); + this.source.onended = null; + this.isPlaying = false; + } + return this; + } + /** + * Stops the playback of the audio. + * + * Can only be used with compatible audio sources that allow playback control. + * + * @param {number} [delay=0] - The delay, in seconds, at which the audio should stop playing. + * @return {Audio|undefined} A reference to this instance. + */ + stop(delay = 0) { + if (this.hasPlaybackControl === false) { + warn("Audio: this Audio has no playback control."); + return; + } + this._progress = 0; + if (this.source !== null) { + this.source.stop(this.context.currentTime + delay); + this.source.onended = null; + } + this.isPlaying = false; + return this; + } + /** + * Connects to the audio source. This is used internally on + * initialisation and when setting / removing filters. + * + * @return {Audio} A reference to this instance. + */ + connect() { + if (this.filters.length > 0) { + this.source.connect(this.filters[0]); + for (let i = 1, l = this.filters.length; i < l; i++) { + this.filters[i - 1].connect(this.filters[i]); + } + this.filters[this.filters.length - 1].connect(this.getOutput()); + } else { + this.source.connect(this.getOutput()); + } + this._connected = true; + return this; + } + /** + * Disconnects to the audio source. This is used internally on + * initialisation and when setting / removing filters. + * + * @return {Audio|undefined} A reference to this instance. + */ + disconnect() { + if (this._connected === false) { + return; + } + if (this.filters.length > 0) { + this.source.disconnect(this.filters[0]); + for (let i = 1, l = this.filters.length; i < l; i++) { + this.filters[i - 1].disconnect(this.filters[i]); + } + this.filters[this.filters.length - 1].disconnect(this.getOutput()); + } else { + this.source.disconnect(this.getOutput()); + } + this._connected = false; + return this; + } + /** + * Returns the current set filters. + * + * @return {Array} The list of filters. + */ + getFilters() { + return this.filters; + } + /** + * Sets an array of filters and connects them with the audio source. + * + * @param {Array} [value] - A list of filters. + * @return {Audio} A reference to this instance. + */ + setFilters(value) { + if (!value) value = []; + if (this._connected === true) { + this.disconnect(); + this.filters = value.slice(); + this.connect(); + } else { + this.filters = value.slice(); + } + return this; + } + /** + * Defines the detuning of oscillation in cents. + * + * @param {number} value - The detuning of oscillation in cents. + * @return {Audio} A reference to this instance. + */ + setDetune(value) { + this.detune = value; + if (this.isPlaying === true && this.source.detune !== void 0) { + this.source.detune.setTargetAtTime(this.detune, this.context.currentTime, 0.01); + } + return this; + } + /** + * Returns the detuning of oscillation in cents. + * + * @return {number} The detuning of oscillation in cents. + */ + getDetune() { + return this.detune; + } + /** + * Returns the first filter in the list of filters. + * + * @return {AudioNode|undefined} The first filter in the list of filters. + */ + getFilter() { + return this.getFilters()[0]; + } + /** + * Applies a single filter node to the audio. + * + * @param {AudioNode} [filter] - The filter to set. + * @return {Audio} A reference to this instance. + */ + setFilter(filter) { + return this.setFilters(filter ? [filter] : []); + } + /** + * Sets the playback rate. + * + * Can only be used with compatible audio sources that allow playback control. + * + * @param {number} [value] - The playback rate to set. + * @return {Audio|undefined} A reference to this instance. + */ + setPlaybackRate(value) { + if (this.hasPlaybackControl === false) { + warn("Audio: this Audio has no playback control."); + return; + } + this.playbackRate = value; + if (this.isPlaying === true) { + this.source.playbackRate.setTargetAtTime(this.playbackRate, this.context.currentTime, 0.01); + } + return this; + } + /** + * Returns the current playback rate. + + * @return {number} The playback rate. + */ + getPlaybackRate() { + return this.playbackRate; + } + /** + * Automatically called when playback finished. + */ + onEnded() { + this.isPlaying = false; + this._progress = 0; + } + /** + * Returns the loop flag. + * + * Can only be used with compatible audio sources that allow playback control. + * + * @return {boolean} Whether the audio should loop or not. + */ + getLoop() { + if (this.hasPlaybackControl === false) { + warn("Audio: this Audio has no playback control."); + return false; + } + return this.loop; + } + /** + * Sets the loop flag. + * + * Can only be used with compatible audio sources that allow playback control. + * + * @param {boolean} value - Whether the audio should loop or not. + * @return {Audio|undefined} A reference to this instance. + */ + setLoop(value) { + if (this.hasPlaybackControl === false) { + warn("Audio: this Audio has no playback control."); + return; + } + this.loop = value; + if (this.isPlaying === true) { + this.source.loop = this.loop; + } + return this; + } + /** + * Sets the loop start value which defines where in the audio buffer the replay should + * start, in seconds. + * + * @param {number} value - The loop start value. + * @return {Audio} A reference to this instance. + */ + setLoopStart(value) { + this.loopStart = value; + return this; + } + /** + * Sets the loop end value which defines where in the audio buffer the replay should + * stop, in seconds. + * + * @param {number} value - The loop end value. + * @return {Audio} A reference to this instance. + */ + setLoopEnd(value) { + this.loopEnd = value; + return this; + } + /** + * Returns the volume. + * + * @return {number} The volume. + */ + getVolume() { + return this.gain.gain.value; + } + /** + * Sets the volume. + * + * @param {number} value - The volume to set. + * @return {Audio} A reference to this instance. + */ + setVolume(value) { + this.gain.gain.setTargetAtTime(value, this.context.currentTime, 0.01); + return this; + } + copy(source, recursive) { + super.copy(source, recursive); + if (source.sourceType !== "buffer") { + warn("Audio: Audio source type cannot be copied."); + return this; + } + this.autoplay = source.autoplay; + this.buffer = source.buffer; + this.detune = source.detune; + this.loop = source.loop; + this.loopStart = source.loopStart; + this.loopEnd = source.loopEnd; + this.offset = source.offset; + this.duration = source.duration; + this.playbackRate = source.playbackRate; + this.hasPlaybackControl = source.hasPlaybackControl; + this.sourceType = source.sourceType; + this.filters = source.filters.slice(); + return this; + } + clone(recursive) { + return new this.constructor(this.listener).copy(this, recursive); + } +}; +var _position = new Vector3(); +var _quaternion = new Quaternion(); +var _scale = new Vector3(); +var _orientation = new Vector3(); +var PositionalAudio = class extends Audio { + /** + * Constructs a positional audio. + * + * @param {AudioListener} listener - The global audio listener. + */ + constructor(listener) { + super(listener); + this.panner = this.context.createPanner(); + this.panner.panningModel = "HRTF"; + this.panner.connect(this.gain); + } + connect() { + super.connect(); + this.panner.connect(this.gain); + return this; + } + disconnect() { + super.disconnect(); + this.panner.disconnect(this.gain); + return this; + } + getOutput() { + return this.panner; + } + /** + * Returns the current reference distance. + * + * @return {number} The reference distance. + */ + getRefDistance() { + return this.panner.refDistance; + } + /** + * Defines the reference distance for reducing volume as the audio source moves + * further from the listener – i.e. the distance at which the volume reduction + * starts taking effect. + * + * @param {number} value - The reference distance to set. + * @return {PositionalAudio} A reference to this instance. + */ + setRefDistance(value) { + this.panner.refDistance = value; + return this; + } + /** + * Returns the current rolloff factor. + * + * @return {number} The rolloff factor. + */ + getRolloffFactor() { + return this.panner.rolloffFactor; + } + /** + * Defines how quickly the volume is reduced as the source moves away from the listener. + * + * @param {number} value - The rolloff factor. + * @return {PositionalAudio} A reference to this instance. + */ + setRolloffFactor(value) { + this.panner.rolloffFactor = value; + return this; + } + /** + * Returns the current distance model. + * + * @return {('linear'|'inverse'|'exponential')} The distance model. + */ + getDistanceModel() { + return this.panner.distanceModel; + } + /** + * Defines which algorithm to use to reduce the volume of the audio source + * as it moves away from the listener. + * + * Read [the spec](https://www.w3.org/TR/webaudio-1.1/#enumdef-distancemodeltype) + * for more details. + * + * @param {('linear'|'inverse'|'exponential')} value - The distance model to set. + * @return {PositionalAudio} A reference to this instance. + */ + setDistanceModel(value) { + this.panner.distanceModel = value; + return this; + } + /** + * Returns the current max distance. + * + * @return {number} The max distance. + */ + getMaxDistance() { + return this.panner.maxDistance; + } + /** + * Defines the maximum distance between the audio source and the listener, + * after which the volume is not reduced any further. + * + * This value is used only by the `linear` distance model. + * + * @param {number} value - The max distance. + * @return {PositionalAudio} A reference to this instance. + */ + setMaxDistance(value) { + this.panner.maxDistance = value; + return this; + } + /** + * Sets the directional cone in which the audio can be listened. + * + * @param {number} coneInnerAngle - An angle, in degrees, of a cone inside of which there will be no volume reduction. + * @param {number} coneOuterAngle - An angle, in degrees, of a cone outside of which the volume will be reduced by a constant value, defined by the `coneOuterGain` parameter. + * @param {number} coneOuterGain - The amount of volume reduction outside the cone defined by the `coneOuterAngle`. When set to `0`, no sound can be heard. + * @return {PositionalAudio} A reference to this instance. + */ + setDirectionalCone(coneInnerAngle, coneOuterAngle, coneOuterGain) { + this.panner.coneInnerAngle = coneInnerAngle; + this.panner.coneOuterAngle = coneOuterAngle; + this.panner.coneOuterGain = coneOuterGain; + return this; + } + updateMatrixWorld(force) { + super.updateMatrixWorld(force); + if (this.hasPlaybackControl === true && this.isPlaying === false) return; + this.matrixWorld.decompose(_position, _quaternion, _scale); + _orientation.set(0, 0, 1).applyQuaternion(_quaternion); + const panner = this.panner; + if (panner.positionX) { + const endTime = this.context.currentTime + this.listener.timeDelta; + panner.positionX.linearRampToValueAtTime(_position.x, endTime); + panner.positionY.linearRampToValueAtTime(_position.y, endTime); + panner.positionZ.linearRampToValueAtTime(_position.z, endTime); + panner.orientationX.linearRampToValueAtTime(_orientation.x, endTime); + panner.orientationY.linearRampToValueAtTime(_orientation.y, endTime); + panner.orientationZ.linearRampToValueAtTime(_orientation.z, endTime); + } else { + panner.setPosition(_position.x, _position.y, _position.z); + panner.setOrientation(_orientation.x, _orientation.y, _orientation.z); + } + } +}; +var AudioAnalyser = class { + /** + * Constructs a new audio analyzer. + * + * @param {Audio} audio - The audio to analyze. + * @param {number} [fftSize=2048] - The window size in samples that is used when performing a Fast Fourier Transform (FFT) to get frequency domain data. + */ + constructor(audio, fftSize = 2048) { + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize; + this.data = new Uint8Array(this.analyser.frequencyBinCount); + audio.getOutput().connect(this.analyser); + } + /** + * Returns an array with frequency data of the audio. + * + * Each item in the array represents the decibel value for a specific frequency. + * The frequencies are spread linearly from 0 to 1/2 of the sample rate. + * For example, for 48000 sample rate, the last item of the array will represent + * the decibel value for 24000 Hz. + * + * @return {Uint8Array} The frequency data. + */ + getFrequencyData() { + this.analyser.getByteFrequencyData(this.data); + return this.data; + } + /** + * Returns the average of the frequencies returned by {@link AudioAnalyser#getFrequencyData}. + * + * @return {number} The average frequency. + */ + getAverageFrequency() { + let value = 0; + const data = this.getFrequencyData(); + for (let i = 0; i < data.length; i++) { + value += data[i]; + } + return value / data.length; + } +}; +var PropertyMixer = class { + /** + * Constructs a new property mixer. + * + * @param {PropertyBinding} binding - The property binding. + * @param {string} typeName - The keyframe track type name. + * @param {number} valueSize - The keyframe track value size. + */ + constructor(binding, typeName, valueSize) { + this.binding = binding; + this.valueSize = valueSize; + let mixFunction, mixFunctionAdditive, setIdentity; + switch (typeName) { + case "quaternion": + mixFunction = this._slerp; + mixFunctionAdditive = this._slerpAdditive; + setIdentity = this._setAdditiveIdentityQuaternion; + this.buffer = new Float64Array(valueSize * 6); + this._workIndex = 5; + break; + case "string": + case "bool": + mixFunction = this._select; + mixFunctionAdditive = this._select; + setIdentity = this._setAdditiveIdentityOther; + this.buffer = new Array(valueSize * 5); + break; + default: + mixFunction = this._lerp; + mixFunctionAdditive = this._lerpAdditive; + setIdentity = this._setAdditiveIdentityNumeric; + this.buffer = new Float64Array(valueSize * 5); + } + this._mixBufferRegion = mixFunction; + this._mixBufferRegionAdditive = mixFunctionAdditive; + this._setIdentity = setIdentity; + this._origIndex = 3; + this._addIndex = 4; + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + this.useCount = 0; + this.referenceCount = 0; + } + /** + * Accumulates data in the `incoming` region into `accu`. + * + * @param {number} accuIndex - The accumulation index. + * @param {number} weight - The weight. + */ + accumulate(accuIndex, weight) { + const buffer = this.buffer, stride = this.valueSize, offset = accuIndex * stride + stride; + let currentWeight = this.cumulativeWeight; + if (currentWeight === 0) { + for (let i = 0; i !== stride; ++i) { + buffer[offset + i] = buffer[i]; + } + currentWeight = weight; + } else { + currentWeight += weight; + const mix = weight / currentWeight; + this._mixBufferRegion(buffer, offset, 0, mix, stride); + } + this.cumulativeWeight = currentWeight; + } + /** + * Accumulates data in the `incoming` region into `add`. + * + * @param {number} weight - The weight. + */ + accumulateAdditive(weight) { + const buffer = this.buffer, stride = this.valueSize, offset = stride * this._addIndex; + if (this.cumulativeWeightAdditive === 0) { + this._setIdentity(); + } + this._mixBufferRegionAdditive(buffer, offset, 0, weight, stride); + this.cumulativeWeightAdditive += weight; + } + /** + * Applies the state of `accu` to the binding when accus differ. + * + * @param {number} accuIndex - The accumulation index. + */ + apply(accuIndex) { + const stride = this.valueSize, buffer = this.buffer, offset = accuIndex * stride + stride, weight = this.cumulativeWeight, weightAdditive = this.cumulativeWeightAdditive, binding = this.binding; + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + if (weight < 1) { + const originalValueOffset = stride * this._origIndex; + this._mixBufferRegion( + buffer, + offset, + originalValueOffset, + 1 - weight, + stride + ); + } + if (weightAdditive > 0) { + this._mixBufferRegionAdditive(buffer, offset, this._addIndex * stride, 1, stride); + } + for (let i = stride, e = stride + stride; i !== e; ++i) { + if (buffer[i] !== buffer[i + stride]) { + binding.setValue(buffer, offset); + break; + } + } + } + /** + * Remembers the state of the bound property and copy it to both accus. + */ + saveOriginalState() { + const binding = this.binding; + const buffer = this.buffer, stride = this.valueSize, originalValueOffset = stride * this._origIndex; + binding.getValue(buffer, originalValueOffset); + for (let i = stride, e = originalValueOffset; i !== e; ++i) { + buffer[i] = buffer[originalValueOffset + i % stride]; + } + this._setIdentity(); + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + } + /** + * Applies the state previously taken via {@link PropertyMixer#saveOriginalState} to the binding. + */ + restoreOriginalState() { + const originalValueOffset = this.valueSize * 3; + this.binding.setValue(this.buffer, originalValueOffset); + } + // internals + _setAdditiveIdentityNumeric() { + const startIndex = this._addIndex * this.valueSize; + const endIndex = startIndex + this.valueSize; + for (let i = startIndex; i < endIndex; i++) { + this.buffer[i] = 0; + } + } + _setAdditiveIdentityQuaternion() { + this._setAdditiveIdentityNumeric(); + this.buffer[this._addIndex * this.valueSize + 3] = 1; + } + _setAdditiveIdentityOther() { + const startIndex = this._origIndex * this.valueSize; + const targetIndex = this._addIndex * this.valueSize; + for (let i = 0; i < this.valueSize; i++) { + this.buffer[targetIndex + i] = this.buffer[startIndex + i]; + } + } + // mix functions + _select(buffer, dstOffset, srcOffset, t, stride) { + if (t >= 0.5) { + for (let i = 0; i !== stride; ++i) { + buffer[dstOffset + i] = buffer[srcOffset + i]; + } + } + } + _slerp(buffer, dstOffset, srcOffset, t) { + Quaternion.slerpFlat(buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t); + } + _slerpAdditive(buffer, dstOffset, srcOffset, t, stride) { + const workOffset = this._workIndex * stride; + Quaternion.multiplyQuaternionsFlat(buffer, workOffset, buffer, dstOffset, buffer, srcOffset); + Quaternion.slerpFlat(buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t); + } + _lerp(buffer, dstOffset, srcOffset, t, stride) { + const s = 1 - t; + for (let i = 0; i !== stride; ++i) { + const j = dstOffset + i; + buffer[j] = buffer[j] * s + buffer[srcOffset + i] * t; + } + } + _lerpAdditive(buffer, dstOffset, srcOffset, t, stride) { + for (let i = 0; i !== stride; ++i) { + const j = dstOffset + i; + buffer[j] = buffer[j] + buffer[srcOffset + i] * t; + } + } +}; +var _RESERVED_CHARS_RE = "\\[\\]\\.:\\/"; +var _reservedRe = new RegExp("[" + _RESERVED_CHARS_RE + "]", "g"); +var _wordChar = "[^" + _RESERVED_CHARS_RE + "]"; +var _wordCharOrDot = "[^" + _RESERVED_CHARS_RE.replace("\\.", "") + "]"; +var _directoryRe = /((?:WC+[\/:])*)/.source.replace("WC", _wordChar); +var _nodeRe = /(WCOD+)?/.source.replace("WCOD", _wordCharOrDot); +var _objectRe = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC", _wordChar); +var _propertyRe = /\.(WC+)(?:\[(.+)\])?/.source.replace("WC", _wordChar); +var _trackRe = new RegExp( + "^" + _directoryRe + _nodeRe + _objectRe + _propertyRe + "$" +); +var _supportedObjectNames = ["material", "materials", "bones", "map"]; +var Composite = class { + constructor(targetGroup, path, optionalParsedPath) { + const parsedPath = optionalParsedPath || PropertyBinding.parseTrackName(path); + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_(path, parsedPath); + } + getValue(array, offset) { + this.bind(); + const firstValidIndex = this._targetGroup.nCachedObjects_, binding = this._bindings[firstValidIndex]; + if (binding !== void 0) binding.getValue(array, offset); + } + setValue(array, offset) { + const bindings = this._bindings; + for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) { + bindings[i].setValue(array, offset); + } + } + bind() { + const bindings = this._bindings; + for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) { + bindings[i].bind(); + } + } + unbind() { + const bindings = this._bindings; + for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) { + bindings[i].unbind(); + } + } +}; +var PropertyBinding = class _PropertyBinding { + /** + * Constructs a new property binding. + * + * @param {Object} rootNode - The root node. + * @param {string} path - The path. + * @param {?Object} [parsedPath] - The parsed path. + */ + constructor(rootNode, path, parsedPath) { + this.path = path; + this.parsedPath = parsedPath || _PropertyBinding.parseTrackName(path); + this.node = _PropertyBinding.findNode(rootNode, this.parsedPath.nodeName); + this.rootNode = rootNode; + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + } + /** + * Factory method for creating a property binding from the given parameters. + * + * @static + * @param {Object} root - The root node. + * @param {string} path - The path. + * @param {?Object} [parsedPath] - The parsed path. + * @return {PropertyBinding|Composite} The created property binding or composite. + */ + static create(root, path, parsedPath) { + if (!(root && root.isAnimationObjectGroup)) { + return new _PropertyBinding(root, path, parsedPath); + } else { + return new _PropertyBinding.Composite(root, path, parsedPath); + } + } + /** + * Replaces spaces with underscores and removes unsupported characters from + * node names, to ensure compatibility with parseTrackName(). + * + * @param {string} name - Node name to be sanitized. + * @return {string} The sanitized node name. + */ + static sanitizeNodeName(name) { + return name.replace(/\s/g, "_").replace(_reservedRe, ""); + } + /** + * Parses the given track name (an object path to an animated property) and + * returns an object with information about the path. Matches strings in the following forms: + * + * - nodeName.property + * - nodeName.property[accessor] + * - nodeName.material.property[accessor] + * - uuid.property[accessor] + * - uuid.objectName[objectIndex].propertyName[propertyIndex] + * - parentName/nodeName.property + * - parentName/parentName/nodeName.property[index] + * - .bone[Armature.DEF_cog].position + * - scene:helium_balloon_model:helium_balloon_model.position + * + * @static + * @param {string} trackName - The track name to parse. + * @return {Object} The parsed track name as an object. + */ + static parseTrackName(trackName) { + const matches = _trackRe.exec(trackName); + if (matches === null) { + throw new Error("PropertyBinding: Cannot parse trackName: " + trackName); + } + const results = { + // directoryName: matches[ 1 ], // (tschw) currently unused + nodeName: matches[2], + objectName: matches[3], + objectIndex: matches[4], + propertyName: matches[5], + // required + propertyIndex: matches[6] + }; + const lastDot = results.nodeName && results.nodeName.lastIndexOf("."); + if (lastDot !== void 0 && lastDot !== -1) { + const objectName = results.nodeName.substring(lastDot + 1); + if (_supportedObjectNames.indexOf(objectName) !== -1) { + results.nodeName = results.nodeName.substring(0, lastDot); + results.objectName = objectName; + } + } + if (results.propertyName === null || results.propertyName.length === 0) { + throw new Error("PropertyBinding: can not parse propertyName from trackName: " + trackName); + } + return results; + } + /** + * Searches for a node in the hierarchy of the given root object by the given + * node name. + * + * @static + * @param {Object} root - The root object. + * @param {string|number} nodeName - The name of the node. + * @return {?Object} The found node. Returns `null` if no object was found. + */ + static findNode(root, nodeName) { + if (nodeName === void 0 || nodeName === "" || nodeName === "." || nodeName === -1 || nodeName === root.name || nodeName === root.uuid) { + return root; + } + if (root.skeleton) { + const bone = root.skeleton.getBoneByName(nodeName); + if (bone !== void 0) { + return bone; + } + } + if (root.children) { + const searchNodeSubtree = function(children) { + for (let i = 0; i < children.length; i++) { + const childNode = children[i]; + if (childNode.name === nodeName || childNode.uuid === nodeName) { + return childNode; + } + const result = searchNodeSubtree(childNode.children); + if (result) return result; + } + return null; + }; + const subTreeNode = searchNodeSubtree(root.children); + if (subTreeNode) { + return subTreeNode; + } + } + return null; + } + // these are used to "bind" a nonexistent property + _getValue_unavailable() { + } + _setValue_unavailable() { + } + // Getters + _getValue_direct(buffer, offset) { + buffer[offset] = this.targetObject[this.propertyName]; + } + _getValue_array(buffer, offset) { + const source = this.resolvedProperty; + for (let i = 0, n = source.length; i !== n; ++i) { + buffer[offset++] = source[i]; + } + } + _getValue_arrayElement(buffer, offset) { + buffer[offset] = this.resolvedProperty[this.propertyIndex]; + } + _getValue_toArray(buffer, offset) { + this.resolvedProperty.toArray(buffer, offset); + } + // Direct + _setValue_direct(buffer, offset) { + this.targetObject[this.propertyName] = buffer[offset]; + } + _setValue_direct_setNeedsUpdate(buffer, offset) { + this.targetObject[this.propertyName] = buffer[offset]; + this.targetObject.needsUpdate = true; + } + _setValue_direct_setMatrixWorldNeedsUpdate(buffer, offset) { + this.targetObject[this.propertyName] = buffer[offset]; + this.targetObject.matrixWorldNeedsUpdate = true; + } + // EntireArray + _setValue_array(buffer, offset) { + const dest = this.resolvedProperty; + for (let i = 0, n = dest.length; i !== n; ++i) { + dest[i] = buffer[offset++]; + } + } + _setValue_array_setNeedsUpdate(buffer, offset) { + const dest = this.resolvedProperty; + for (let i = 0, n = dest.length; i !== n; ++i) { + dest[i] = buffer[offset++]; + } + this.targetObject.needsUpdate = true; + } + _setValue_array_setMatrixWorldNeedsUpdate(buffer, offset) { + const dest = this.resolvedProperty; + for (let i = 0, n = dest.length; i !== n; ++i) { + dest[i] = buffer[offset++]; + } + this.targetObject.matrixWorldNeedsUpdate = true; + } + // ArrayElement + _setValue_arrayElement(buffer, offset) { + this.resolvedProperty[this.propertyIndex] = buffer[offset]; + } + _setValue_arrayElement_setNeedsUpdate(buffer, offset) { + this.resolvedProperty[this.propertyIndex] = buffer[offset]; + this.targetObject.needsUpdate = true; + } + _setValue_arrayElement_setMatrixWorldNeedsUpdate(buffer, offset) { + this.resolvedProperty[this.propertyIndex] = buffer[offset]; + this.targetObject.matrixWorldNeedsUpdate = true; + } + // HasToFromArray + _setValue_fromArray(buffer, offset) { + this.resolvedProperty.fromArray(buffer, offset); + } + _setValue_fromArray_setNeedsUpdate(buffer, offset) { + this.resolvedProperty.fromArray(buffer, offset); + this.targetObject.needsUpdate = true; + } + _setValue_fromArray_setMatrixWorldNeedsUpdate(buffer, offset) { + this.resolvedProperty.fromArray(buffer, offset); + this.targetObject.matrixWorldNeedsUpdate = true; + } + _getValue_unbound(targetArray, offset) { + this.bind(); + this.getValue(targetArray, offset); + } + _setValue_unbound(sourceArray, offset) { + this.bind(); + this.setValue(sourceArray, offset); + } + /** + * Creates a getter / setter pair for the property tracked by this binding. + */ + bind() { + let targetObject = this.node; + const parsedPath = this.parsedPath; + const objectName = parsedPath.objectName; + const propertyName = parsedPath.propertyName; + let propertyIndex = parsedPath.propertyIndex; + if (!targetObject) { + targetObject = _PropertyBinding.findNode(this.rootNode, parsedPath.nodeName); + this.node = targetObject; + } + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; + if (!targetObject) { + warn("PropertyBinding: No target node found for track: " + this.path + "."); + return; + } + if (objectName) { + let objectIndex = parsedPath.objectIndex; + switch (objectName) { + case "materials": + if (!targetObject.material) { + error("PropertyBinding: Can not bind to material as node does not have a material.", this); + return; + } + if (!targetObject.material.materials) { + error("PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.", this); + return; + } + targetObject = targetObject.material.materials; + break; + case "bones": + if (!targetObject.skeleton) { + error("PropertyBinding: Can not bind to bones as node does not have a skeleton.", this); + return; + } + targetObject = targetObject.skeleton.bones; + for (let i = 0; i < targetObject.length; i++) { + if (targetObject[i].name === objectIndex) { + objectIndex = i; + break; + } + } + break; + case "map": + if ("map" in targetObject) { + targetObject = targetObject.map; + break; + } + if (!targetObject.material) { + error("PropertyBinding: Can not bind to material as node does not have a material.", this); + return; + } + if (!targetObject.material.map) { + error("PropertyBinding: Can not bind to material.map as node.material does not have a map.", this); + return; + } + targetObject = targetObject.material.map; + break; + default: + if (targetObject[objectName] === void 0) { + error("PropertyBinding: Can not bind to objectName of node undefined.", this); + return; + } + targetObject = targetObject[objectName]; + } + if (objectIndex !== void 0) { + if (targetObject[objectIndex] === void 0) { + error("PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.", this, targetObject); + return; + } + targetObject = targetObject[objectIndex]; + } + } + const nodeProperty = targetObject[propertyName]; + if (nodeProperty === void 0) { + const nodeName = parsedPath.nodeName; + error("PropertyBinding: Trying to update property for track: " + nodeName + "." + propertyName + " but it wasn't found.", targetObject); + return; + } + let versioning = this.Versioning.None; + this.targetObject = targetObject; + if (targetObject.isMaterial === true) { + versioning = this.Versioning.NeedsUpdate; + } else if (targetObject.isObject3D === true) { + versioning = this.Versioning.MatrixWorldNeedsUpdate; + } + let bindingType = this.BindingType.Direct; + if (propertyIndex !== void 0) { + if (propertyName === "morphTargetInfluences") { + if (!targetObject.geometry) { + error("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.", this); + return; + } + if (!targetObject.geometry.morphAttributes) { + error("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.", this); + return; + } + if (targetObject.morphTargetDictionary[propertyIndex] !== void 0) { + propertyIndex = targetObject.morphTargetDictionary[propertyIndex]; + } + } + bindingType = this.BindingType.ArrayElement; + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; + } else if (nodeProperty.fromArray !== void 0 && nodeProperty.toArray !== void 0) { + bindingType = this.BindingType.HasFromToArray; + this.resolvedProperty = nodeProperty; + } else if (Array.isArray(nodeProperty)) { + bindingType = this.BindingType.EntireArray; + this.resolvedProperty = nodeProperty; + } else { + this.propertyName = propertyName; + } + this.getValue = this.GetterByBindingType[bindingType]; + this.setValue = this.SetterByBindingTypeAndVersioning[bindingType][versioning]; + } + /** + * Unbinds the property. + */ + unbind() { + this.node = null; + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + } +}; +PropertyBinding.Composite = Composite; +PropertyBinding.prototype.BindingType = { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 +}; +PropertyBinding.prototype.Versioning = { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 +}; +PropertyBinding.prototype.GetterByBindingType = [ + PropertyBinding.prototype._getValue_direct, + PropertyBinding.prototype._getValue_array, + PropertyBinding.prototype._getValue_arrayElement, + PropertyBinding.prototype._getValue_toArray +]; +PropertyBinding.prototype.SetterByBindingTypeAndVersioning = [ + [ + // Direct + PropertyBinding.prototype._setValue_direct, + PropertyBinding.prototype._setValue_direct_setNeedsUpdate, + PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate + ], + [ + // EntireArray + PropertyBinding.prototype._setValue_array, + PropertyBinding.prototype._setValue_array_setNeedsUpdate, + PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate + ], + [ + // ArrayElement + PropertyBinding.prototype._setValue_arrayElement, + PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate, + PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate + ], + [ + // HasToFromArray + PropertyBinding.prototype._setValue_fromArray, + PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate, + PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate + ] +]; +var AnimationObjectGroup = class { + /** + * Constructs a new animation group. + * + * @param {...Object3D} arguments - An arbitrary number of 3D objects that share the same animation state. + */ + constructor() { + this.isAnimationObjectGroup = true; + this.uuid = generateUUID(); + this._objects = Array.prototype.slice.call(arguments); + this.nCachedObjects_ = 0; + const indices = {}; + this._indicesByUUID = indices; + for (let i = 0, n = arguments.length; i !== n; ++i) { + indices[arguments[i].uuid] = i; + } + this._paths = []; + this._parsedPaths = []; + this._bindings = []; + this._bindingsIndicesByPath = {}; + const scope = this; + this.stats = { + objects: { + get total() { + return scope._objects.length; + }, + get inUse() { + return this.total - scope.nCachedObjects_; + } + }, + get bindingsPerObject() { + return scope._bindings.length; + } + }; + } + /** + * Adds an arbitrary number of objects to this animation group. + * + * @param {...Object3D} arguments - The 3D objects to add. + */ + add() { + const objects = this._objects, indicesByUUID = this._indicesByUUID, paths = this._paths, parsedPaths = this._parsedPaths, bindings = this._bindings, nBindings = bindings.length; + let knownObject = void 0, nObjects = objects.length, nCachedObjects = this.nCachedObjects_; + for (let i = 0, n = arguments.length; i !== n; ++i) { + const object = arguments[i], uuid = object.uuid; + let index = indicesByUUID[uuid]; + if (index === void 0) { + index = nObjects++; + indicesByUUID[uuid] = index; + objects.push(object); + for (let j = 0, m = nBindings; j !== m; ++j) { + bindings[j].push(new PropertyBinding(object, paths[j], parsedPaths[j])); + } + } else if (index < nCachedObjects) { + knownObject = objects[index]; + const firstActiveIndex = --nCachedObjects, lastCachedObject = objects[firstActiveIndex]; + indicesByUUID[lastCachedObject.uuid] = index; + objects[index] = lastCachedObject; + indicesByUUID[uuid] = firstActiveIndex; + objects[firstActiveIndex] = object; + for (let j = 0, m = nBindings; j !== m; ++j) { + const bindingsForPath = bindings[j], lastCached = bindingsForPath[firstActiveIndex]; + let binding = bindingsForPath[index]; + bindingsForPath[index] = lastCached; + if (binding === void 0) { + binding = new PropertyBinding(object, paths[j], parsedPaths[j]); + } + bindingsForPath[firstActiveIndex] = binding; + } + } else if (objects[index] !== knownObject) { + error("AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes."); + } + } + this.nCachedObjects_ = nCachedObjects; + } + /** + * Removes an arbitrary number of objects to this animation group + * + * @param {...Object3D} arguments - The 3D objects to remove. + */ + remove() { + const objects = this._objects, indicesByUUID = this._indicesByUUID, bindings = this._bindings, nBindings = bindings.length; + let nCachedObjects = this.nCachedObjects_; + for (let i = 0, n = arguments.length; i !== n; ++i) { + const object = arguments[i], uuid = object.uuid, index = indicesByUUID[uuid]; + if (index !== void 0 && index >= nCachedObjects) { + const lastCachedIndex = nCachedObjects++, firstActiveObject = objects[lastCachedIndex]; + indicesByUUID[firstActiveObject.uuid] = index; + objects[index] = firstActiveObject; + indicesByUUID[uuid] = lastCachedIndex; + objects[lastCachedIndex] = object; + for (let j = 0, m = nBindings; j !== m; ++j) { + const bindingsForPath = bindings[j], firstActive = bindingsForPath[lastCachedIndex], binding = bindingsForPath[index]; + bindingsForPath[index] = firstActive; + bindingsForPath[lastCachedIndex] = binding; + } + } + } + this.nCachedObjects_ = nCachedObjects; + } + /** + * Deallocates all memory resources for the passed 3D objects of this animation group. + * + * @param {...Object3D} arguments - The 3D objects to uncache. + */ + uncache() { + const objects = this._objects, indicesByUUID = this._indicesByUUID, bindings = this._bindings, nBindings = bindings.length; + let nCachedObjects = this.nCachedObjects_, nObjects = objects.length; + for (let i = 0, n = arguments.length; i !== n; ++i) { + const object = arguments[i], uuid = object.uuid, index = indicesByUUID[uuid]; + if (index !== void 0) { + delete indicesByUUID[uuid]; + if (index < nCachedObjects) { + const firstActiveIndex = --nCachedObjects, lastCachedObject = objects[firstActiveIndex], lastIndex = --nObjects, lastObject = objects[lastIndex]; + indicesByUUID[lastCachedObject.uuid] = index; + objects[index] = lastCachedObject; + indicesByUUID[lastObject.uuid] = firstActiveIndex; + objects[firstActiveIndex] = lastObject; + objects.pop(); + for (let j = 0, m = nBindings; j !== m; ++j) { + const bindingsForPath = bindings[j], lastCached = bindingsForPath[firstActiveIndex], last = bindingsForPath[lastIndex]; + bindingsForPath[index] = lastCached; + bindingsForPath[firstActiveIndex] = last; + bindingsForPath.pop(); + } + } else { + const lastIndex = --nObjects, lastObject = objects[lastIndex]; + if (lastIndex > 0) { + indicesByUUID[lastObject.uuid] = index; + } + objects[index] = lastObject; + objects.pop(); + for (let j = 0, m = nBindings; j !== m; ++j) { + const bindingsForPath = bindings[j]; + bindingsForPath[index] = bindingsForPath[lastIndex]; + bindingsForPath.pop(); + } + } + } + } + this.nCachedObjects_ = nCachedObjects; + } + // Internal interface used by befriended PropertyBinding.Composite: + subscribe_(path, parsedPath) { + const indicesByPath = this._bindingsIndicesByPath; + let index = indicesByPath[path]; + const bindings = this._bindings; + if (index !== void 0) return bindings[index]; + const paths = this._paths, parsedPaths = this._parsedPaths, objects = this._objects, nObjects = objects.length, nCachedObjects = this.nCachedObjects_, bindingsForPath = new Array(nObjects); + index = bindings.length; + indicesByPath[path] = index; + paths.push(path); + parsedPaths.push(parsedPath); + bindings.push(bindingsForPath); + for (let i = nCachedObjects, n = objects.length; i !== n; ++i) { + const object = objects[i]; + bindingsForPath[i] = new PropertyBinding(object, path, parsedPath); + } + return bindingsForPath; + } + unsubscribe_(path) { + const indicesByPath = this._bindingsIndicesByPath, index = indicesByPath[path]; + if (index !== void 0) { + const paths = this._paths, parsedPaths = this._parsedPaths, bindings = this._bindings, lastBindingsIndex = bindings.length - 1, lastBindings = bindings[lastBindingsIndex], lastBindingsPath = path[lastBindingsIndex]; + indicesByPath[lastBindingsPath] = index; + bindings[index] = lastBindings; + bindings.pop(); + parsedPaths[index] = parsedPaths[lastBindingsIndex]; + parsedPaths.pop(); + paths[index] = paths[lastBindingsIndex]; + paths.pop(); + } + } +}; +var AnimationAction = class { + /** + * Constructs a new animation action. + * + * @param {AnimationMixer} mixer - The mixer that is controlled by this action. + * @param {AnimationClip} clip - The animation clip that holds the actual keyframes. + * @param {?Object3D} [localRoot=null] - The root object on which this action is performed. + * @param {(NormalAnimationBlendMode|AdditiveAnimationBlendMode)} [blendMode] - The blend mode. + */ + constructor(mixer, clip, localRoot = null, blendMode = clip.blendMode) { + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot; + this.blendMode = blendMode; + const tracks = clip.tracks, nTracks = tracks.length, interpolants = new Array(nTracks); + const interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + for (let i = 0; i !== nTracks; ++i) { + const interpolant = tracks[i].createInterpolant(null); + interpolants[i] = interpolant; + interpolant.settings = interpolantSettings; + } + this._interpolantSettings = interpolantSettings; + this._interpolants = interpolants; + this._propertyBindings = new Array(nTracks); + this._cacheIndex = null; + this._byClipCacheIndex = null; + this._timeScaleInterpolant = null; + this._weightInterpolant = null; + this.loop = LoopRepeat; + this._loopCount = -1; + this._startTime = null; + this.time = 0; + this.timeScale = 1; + this._effectiveTimeScale = 1; + this.weight = 1; + this._effectiveWeight = 1; + this.repetitions = Infinity; + this.paused = false; + this.enabled = true; + this.clampWhenFinished = false; + this.zeroSlopeAtStart = true; + this.zeroSlopeAtEnd = true; + } + /** + * Starts the playback of the animation. + * + * @return {AnimationAction} A reference to this animation action. + */ + play() { + this._mixer._activateAction(this); + return this; + } + /** + * Stops the playback of the animation. + * + * @return {AnimationAction} A reference to this animation action. + */ + stop() { + this._mixer._deactivateAction(this); + return this.reset(); + } + /** + * Resets the playback of the animation. + * + * @return {AnimationAction} A reference to this animation action. + */ + reset() { + this.paused = false; + this.enabled = true; + this.time = 0; + this._loopCount = -1; + this._startTime = null; + return this.stopFading().stopWarping(); + } + /** + * Returns `true` if the animation is running. + * + * @return {boolean} Whether the animation is running or not. + */ + isRunning() { + return this.enabled && !this.paused && this.timeScale !== 0 && this._startTime === null && this._mixer._isActiveAction(this); + } + /** + * Returns `true` when {@link AnimationAction#play} has been called. + * + * @return {boolean} Whether the animation is scheduled or not. + */ + isScheduled() { + return this._mixer._isActiveAction(this); + } + /** + * Defines the time when the animation should start. + * + * @param {number} time - The start time in seconds. + * @return {AnimationAction} A reference to this animation action. + */ + startAt(time) { + this._startTime = time; + return this; + } + /** + * Configures the loop settings for this action. + * + * @param {(LoopRepeat|LoopOnce|LoopPingPong)} mode - The loop mode. + * @param {number} repetitions - The number of repetitions. + * @return {AnimationAction} A reference to this animation action. + */ + setLoop(mode, repetitions) { + this.loop = mode; + this.repetitions = repetitions; + return this; + } + /** + * Sets the effective weight of this action. + * + * An action has no effect and thus an effective weight of zero when the + * action is disabled. + * + * @param {number} weight - The weight to set. + * @return {AnimationAction} A reference to this animation action. + */ + setEffectiveWeight(weight) { + this.weight = weight; + this._effectiveWeight = this.enabled ? weight : 0; + return this.stopFading(); + } + /** + * Returns the effective weight of this action. + * + * @return {number} The effective weight. + */ + getEffectiveWeight() { + return this._effectiveWeight; + } + /** + * Fades the animation in by increasing its weight gradually from `0` to `1`, + * within the passed time interval. + * + * @param {number} duration - The duration of the fade. + * @return {AnimationAction} A reference to this animation action. + */ + fadeIn(duration) { + return this._scheduleFading(duration, 0, 1); + } + /** + * Fades the animation out by decreasing its weight gradually from `1` to `0`, + * within the passed time interval. + * + * @param {number} duration - The duration of the fade. + * @return {AnimationAction} A reference to this animation action. + */ + fadeOut(duration) { + return this._scheduleFading(duration, 1, 0); + } + /** + * Causes this action to fade in and the given action to fade out, + * within the passed time interval. + * + * @param {AnimationAction} fadeOutAction - The animation action to fade out. + * @param {number} duration - The duration of the fade. + * @param {boolean} [warp=false] - Whether warping should be used or not. + * @return {AnimationAction} A reference to this animation action. + */ + crossFadeFrom(fadeOutAction, duration, warp = false) { + fadeOutAction.fadeOut(duration); + this.fadeIn(duration); + if (warp === true) { + const fadeInDuration = this._clip.duration, fadeOutDuration = fadeOutAction._clip.duration, startEndRatio = fadeOutDuration / fadeInDuration, endStartRatio = fadeInDuration / fadeOutDuration; + fadeOutAction.warp(1, startEndRatio, duration); + this.warp(endStartRatio, 1, duration); + } + return this; + } + /** + * Causes this action to fade out and the given action to fade in, + * within the passed time interval. + * + * @param {AnimationAction} fadeInAction - The animation action to fade in. + * @param {number} duration - The duration of the fade. + * @param {boolean} [warp=false] - Whether warping should be used or not. + * @return {AnimationAction} A reference to this animation action. + */ + crossFadeTo(fadeInAction, duration, warp = false) { + return fadeInAction.crossFadeFrom(this, duration, warp); + } + /** + * Stops any fading which is applied to this action. + * + * @return {AnimationAction} A reference to this animation action. + */ + stopFading() { + const weightInterpolant = this._weightInterpolant; + if (weightInterpolant !== null) { + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant(weightInterpolant); + } + return this; + } + /** + * Sets the effective time scale of this action. + * + * An action has no effect and thus an effective time scale of zero when the + * action is paused. + * + * @param {number} timeScale - The time scale to set. + * @return {AnimationAction} A reference to this animation action. + */ + setEffectiveTimeScale(timeScale) { + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 : timeScale; + return this.stopWarping(); + } + /** + * Returns the effective time scale of this action. + * + * @return {number} The effective time scale. + */ + getEffectiveTimeScale() { + return this._effectiveTimeScale; + } + /** + * Sets the duration for a single loop of this action. + * + * @param {number} duration - The duration to set. + * @return {AnimationAction} A reference to this animation action. + */ + setDuration(duration) { + this.timeScale = this._clip.duration / duration; + return this.stopWarping(); + } + /** + * Synchronizes this action with the passed other action. + * + * @param {AnimationAction} action - The action to sync with. + * @return {AnimationAction} A reference to this animation action. + */ + syncWith(action) { + this.time = action.time; + this.timeScale = action.timeScale; + return this.stopWarping(); + } + /** + * Decelerates this animation's speed to `0` within the passed time interval. + * + * @param {number} duration - The duration. + * @return {AnimationAction} A reference to this animation action. + */ + halt(duration) { + return this.warp(this._effectiveTimeScale, 0, duration); + } + /** + * Changes the playback speed, within the passed time interval, by modifying + * {@link AnimationAction#timeScale} gradually from `startTimeScale` to + * `endTimeScale`. + * + * @param {number} startTimeScale - The start time scale. + * @param {number} endTimeScale - The end time scale. + * @param {number} duration - The duration. + * @return {AnimationAction} A reference to this animation action. + */ + warp(startTimeScale, endTimeScale, duration) { + const mixer = this._mixer, now = mixer.time, timeScale = this.timeScale; + let interpolant = this._timeScaleInterpolant; + if (interpolant === null) { + interpolant = mixer._lendControlInterpolant(); + this._timeScaleInterpolant = interpolant; + } + const times = interpolant.parameterPositions, values = interpolant.sampleValues; + times[0] = now; + times[1] = now + duration; + values[0] = startTimeScale / timeScale; + values[1] = endTimeScale / timeScale; + return this; + } + /** + * Stops any scheduled warping which is applied to this action. + * + * @return {AnimationAction} A reference to this animation action. + */ + stopWarping() { + const timeScaleInterpolant = this._timeScaleInterpolant; + if (timeScaleInterpolant !== null) { + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant(timeScaleInterpolant); + } + return this; + } + /** + * Returns the animation mixer of this animation action. + * + * @return {AnimationMixer} The animation mixer. + */ + getMixer() { + return this._mixer; + } + /** + * Returns the animation clip of this animation action. + * + * @return {AnimationClip} The animation clip. + */ + getClip() { + return this._clip; + } + /** + * Returns the root object of this animation action. + * + * @return {Object3D} The root object. + */ + getRoot() { + return this._localRoot || this._mixer._root; + } + // Interna + _update(time, deltaTime, timeDirection, accuIndex) { + if (!this.enabled) { + this._updateWeight(time); + return; + } + const startTime = this._startTime; + if (startTime !== null) { + const timeRunning = (time - startTime) * timeDirection; + if (timeRunning < 0 || timeDirection === 0) { + deltaTime = 0; + } else { + this._startTime = null; + deltaTime = timeDirection * timeRunning; + } + } + deltaTime *= this._updateTimeScale(time); + const clipTime = this._updateTime(deltaTime); + const weight = this._updateWeight(time); + if (weight > 0) { + const interpolants = this._interpolants; + const propertyMixers = this._propertyBindings; + switch (this.blendMode) { + case AdditiveAnimationBlendMode: + for (let j = 0, m = interpolants.length; j !== m; ++j) { + interpolants[j].evaluate(clipTime); + propertyMixers[j].accumulateAdditive(weight); + } + break; + case NormalAnimationBlendMode: + default: + for (let j = 0, m = interpolants.length; j !== m; ++j) { + interpolants[j].evaluate(clipTime); + propertyMixers[j].accumulate(accuIndex, weight); + } + } + } + } + _updateWeight(time) { + let weight = 0; + if (this.enabled) { + weight = this.weight; + const interpolant = this._weightInterpolant; + if (interpolant !== null) { + const interpolantValue = interpolant.evaluate(time)[0]; + weight *= interpolantValue; + if (time > interpolant.parameterPositions[1]) { + this.stopFading(); + if (interpolantValue === 0) { + this.enabled = false; + } + } + } + } + this._effectiveWeight = weight; + return weight; + } + _updateTimeScale(time) { + let timeScale = 0; + if (!this.paused) { + timeScale = this.timeScale; + const interpolant = this._timeScaleInterpolant; + if (interpolant !== null) { + const interpolantValue = interpolant.evaluate(time)[0]; + timeScale *= interpolantValue; + if (time > interpolant.parameterPositions[1]) { + this.stopWarping(); + if (timeScale === 0) { + this.paused = true; + } else { + this.timeScale = timeScale; + } + } + } + } + this._effectiveTimeScale = timeScale; + return timeScale; + } + _updateTime(deltaTime) { + const duration = this._clip.duration; + const loop = this.loop; + let time = this.time + deltaTime; + let loopCount = this._loopCount; + const pingPong = loop === LoopPingPong; + if (deltaTime === 0) { + if (loopCount === -1) return time; + return pingPong && (loopCount & 1) === 1 ? duration - time : time; + } + if (loop === LoopOnce) { + if (loopCount === -1) { + this._loopCount = 0; + this._setEndings(true, true, false); + } + handle_stop: { + if (time >= duration) { + time = duration; + } else if (time < 0) { + time = 0; + } else { + this.time = time; + break handle_stop; + } + if (this.clampWhenFinished) this.paused = true; + else this.enabled = false; + this.time = time; + this._mixer.dispatchEvent({ + type: "finished", + action: this, + direction: deltaTime < 0 ? -1 : 1 + }); + } + } else { + if (loopCount === -1) { + if (deltaTime >= 0) { + loopCount = 0; + this._setEndings(true, this.repetitions === 0, pingPong); + } else { + this._setEndings(this.repetitions === 0, true, pingPong); + } + } + if (time >= duration || time < 0) { + const loopDelta = Math.floor(time / duration); + time -= duration * loopDelta; + loopCount += Math.abs(loopDelta); + const pending = this.repetitions - loopCount; + if (pending <= 0) { + if (this.clampWhenFinished) this.paused = true; + else this.enabled = false; + time = deltaTime > 0 ? duration : 0; + this.time = time; + this._mixer.dispatchEvent({ + type: "finished", + action: this, + direction: deltaTime > 0 ? 1 : -1 + }); + } else { + if (pending === 1) { + const atStart = deltaTime < 0; + this._setEndings(atStart, !atStart, pingPong); + } else { + this._setEndings(false, false, pingPong); + } + this._loopCount = loopCount; + this.time = time; + this._mixer.dispatchEvent({ + type: "loop", + action: this, + loopDelta + }); + } + } else { + this.time = time; + } + if (pingPong && (loopCount & 1) === 1) { + return duration - time; + } + } + return time; + } + _setEndings(atStart, atEnd, pingPong) { + const settings = this._interpolantSettings; + if (pingPong) { + settings.endingStart = ZeroSlopeEnding; + settings.endingEnd = ZeroSlopeEnding; + } else { + if (atStart) { + settings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding; + } else { + settings.endingStart = WrapAroundEnding; + } + if (atEnd) { + settings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding; + } else { + settings.endingEnd = WrapAroundEnding; + } + } + } + _scheduleFading(duration, weightNow, weightThen) { + const mixer = this._mixer, now = mixer.time; + let interpolant = this._weightInterpolant; + if (interpolant === null) { + interpolant = mixer._lendControlInterpolant(); + this._weightInterpolant = interpolant; + } + const times = interpolant.parameterPositions, values = interpolant.sampleValues; + times[0] = now; + values[0] = weightNow; + times[1] = now + duration; + values[1] = weightThen; + return this; + } +}; +var _controlInterpolantsResultBuffer = new Float32Array(1); +var AnimationMixer = class extends EventDispatcher { + /** + * Constructs a new animation mixer. + * + * @param {Object3D} root - The object whose animations shall be played by this mixer. + */ + constructor(root) { + super(); + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; + this.time = 0; + this.timeScale = 1; + } + _bindAction(action, prototypeAction) { + const root = action._localRoot || this._root, tracks = action._clip.tracks, nTracks = tracks.length, bindings = action._propertyBindings, interpolants = action._interpolants, rootUuid = root.uuid, bindingsByRoot = this._bindingsByRootAndName; + let bindingsByName = bindingsByRoot[rootUuid]; + if (bindingsByName === void 0) { + bindingsByName = {}; + bindingsByRoot[rootUuid] = bindingsByName; + } + for (let i = 0; i !== nTracks; ++i) { + const track = tracks[i], trackName = track.name; + let binding = bindingsByName[trackName]; + if (binding !== void 0) { + ++binding.referenceCount; + bindings[i] = binding; + } else { + binding = bindings[i]; + if (binding !== void 0) { + if (binding._cacheIndex === null) { + ++binding.referenceCount; + this._addInactiveBinding(binding, rootUuid, trackName); + } + continue; + } + const path = prototypeAction && prototypeAction._propertyBindings[i].binding.parsedPath; + binding = new PropertyMixer( + PropertyBinding.create(root, trackName, path), + track.ValueTypeName, + track.getValueSize() + ); + ++binding.referenceCount; + this._addInactiveBinding(binding, rootUuid, trackName); + bindings[i] = binding; + } + interpolants[i].resultBuffer = binding.buffer; + } + } + _activateAction(action) { + if (!this._isActiveAction(action)) { + if (action._cacheIndex === null) { + const rootUuid = (action._localRoot || this._root).uuid, clipUuid = action._clip.uuid, actionsForClip = this._actionsByClip[clipUuid]; + this._bindAction( + action, + actionsForClip && actionsForClip.knownActions[0] + ); + this._addInactiveAction(action, clipUuid, rootUuid); + } + const bindings = action._propertyBindings; + for (let i = 0, n = bindings.length; i !== n; ++i) { + const binding = bindings[i]; + if (binding.useCount++ === 0) { + this._lendBinding(binding); + binding.saveOriginalState(); + } + } + this._lendAction(action); + } + } + _deactivateAction(action) { + if (this._isActiveAction(action)) { + const bindings = action._propertyBindings; + for (let i = 0, n = bindings.length; i !== n; ++i) { + const binding = bindings[i]; + if (--binding.useCount === 0) { + binding.restoreOriginalState(); + this._takeBackBinding(binding); + } + } + this._takeBackAction(action); + } + } + // Memory manager + _initMemoryManager() { + this._actions = []; + this._nActiveActions = 0; + this._actionsByClip = {}; + this._bindings = []; + this._nActiveBindings = 0; + this._bindingsByRootAndName = {}; + this._controlInterpolants = []; + this._nActiveControlInterpolants = 0; + const scope = this; + this.stats = { + actions: { + get total() { + return scope._actions.length; + }, + get inUse() { + return scope._nActiveActions; + } + }, + bindings: { + get total() { + return scope._bindings.length; + }, + get inUse() { + return scope._nActiveBindings; + } + }, + controlInterpolants: { + get total() { + return scope._controlInterpolants.length; + }, + get inUse() { + return scope._nActiveControlInterpolants; + } + } + }; + } + // Memory management for AnimationAction objects + _isActiveAction(action) { + const index = action._cacheIndex; + return index !== null && index < this._nActiveActions; + } + _addInactiveAction(action, clipUuid, rootUuid) { + const actions = this._actions, actionsByClip = this._actionsByClip; + let actionsForClip = actionsByClip[clipUuid]; + if (actionsForClip === void 0) { + actionsForClip = { + knownActions: [action], + actionByRoot: {} + }; + action._byClipCacheIndex = 0; + actionsByClip[clipUuid] = actionsForClip; + } else { + const knownActions = actionsForClip.knownActions; + action._byClipCacheIndex = knownActions.length; + knownActions.push(action); + } + action._cacheIndex = actions.length; + actions.push(action); + actionsForClip.actionByRoot[rootUuid] = action; + } + _removeInactiveAction(action) { + const actions = this._actions, lastInactiveAction = actions[actions.length - 1], cacheIndex = action._cacheIndex; + lastInactiveAction._cacheIndex = cacheIndex; + actions[cacheIndex] = lastInactiveAction; + actions.pop(); + action._cacheIndex = null; + const clipUuid = action._clip.uuid, actionsByClip = this._actionsByClip, actionsForClip = actionsByClip[clipUuid], knownActionsForClip = actionsForClip.knownActions, lastKnownAction = knownActionsForClip[knownActionsForClip.length - 1], byClipCacheIndex = action._byClipCacheIndex; + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[byClipCacheIndex] = lastKnownAction; + knownActionsForClip.pop(); + action._byClipCacheIndex = null; + const actionByRoot = actionsForClip.actionByRoot, rootUuid = (action._localRoot || this._root).uuid; + delete actionByRoot[rootUuid]; + if (knownActionsForClip.length === 0) { + delete actionsByClip[clipUuid]; + } + this._removeInactiveBindingsForAction(action); + } + _removeInactiveBindingsForAction(action) { + const bindings = action._propertyBindings; + for (let i = 0, n = bindings.length; i !== n; ++i) { + const binding = bindings[i]; + if (--binding.referenceCount === 0) { + this._removeInactiveBinding(binding); + } + } + } + _lendAction(action) { + const actions = this._actions, prevIndex = action._cacheIndex, lastActiveIndex = this._nActiveActions++, firstInactiveAction = actions[lastActiveIndex]; + action._cacheIndex = lastActiveIndex; + actions[lastActiveIndex] = action; + firstInactiveAction._cacheIndex = prevIndex; + actions[prevIndex] = firstInactiveAction; + } + _takeBackAction(action) { + const actions = this._actions, prevIndex = action._cacheIndex, firstInactiveIndex = --this._nActiveActions, lastActiveAction = actions[firstInactiveIndex]; + action._cacheIndex = firstInactiveIndex; + actions[firstInactiveIndex] = action; + lastActiveAction._cacheIndex = prevIndex; + actions[prevIndex] = lastActiveAction; + } + // Memory management for PropertyMixer objects + _addInactiveBinding(binding, rootUuid, trackName) { + const bindingsByRoot = this._bindingsByRootAndName, bindings = this._bindings; + let bindingByName = bindingsByRoot[rootUuid]; + if (bindingByName === void 0) { + bindingByName = {}; + bindingsByRoot[rootUuid] = bindingByName; + } + bindingByName[trackName] = binding; + binding._cacheIndex = bindings.length; + bindings.push(binding); + } + _removeInactiveBinding(binding) { + const bindings = this._bindings, propBinding = binding.binding, rootUuid = propBinding.rootNode.uuid, trackName = propBinding.path, bindingsByRoot = this._bindingsByRootAndName, bindingByName = bindingsByRoot[rootUuid], lastInactiveBinding = bindings[bindings.length - 1], cacheIndex = binding._cacheIndex; + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[cacheIndex] = lastInactiveBinding; + bindings.pop(); + delete bindingByName[trackName]; + if (Object.keys(bindingByName).length === 0) { + delete bindingsByRoot[rootUuid]; + } + } + _lendBinding(binding) { + const bindings = this._bindings, prevIndex = binding._cacheIndex, lastActiveIndex = this._nActiveBindings++, firstInactiveBinding = bindings[lastActiveIndex]; + binding._cacheIndex = lastActiveIndex; + bindings[lastActiveIndex] = binding; + firstInactiveBinding._cacheIndex = prevIndex; + bindings[prevIndex] = firstInactiveBinding; + } + _takeBackBinding(binding) { + const bindings = this._bindings, prevIndex = binding._cacheIndex, firstInactiveIndex = --this._nActiveBindings, lastActiveBinding = bindings[firstInactiveIndex]; + binding._cacheIndex = firstInactiveIndex; + bindings[firstInactiveIndex] = binding; + lastActiveBinding._cacheIndex = prevIndex; + bindings[prevIndex] = lastActiveBinding; + } + // Memory management of Interpolants for weight and time scale + _lendControlInterpolant() { + const interpolants = this._controlInterpolants, lastActiveIndex = this._nActiveControlInterpolants++; + let interpolant = interpolants[lastActiveIndex]; + if (interpolant === void 0) { + interpolant = new LinearInterpolant( + new Float32Array(2), + new Float32Array(2), + 1, + _controlInterpolantsResultBuffer + ); + interpolant.__cacheIndex = lastActiveIndex; + interpolants[lastActiveIndex] = interpolant; + } + return interpolant; + } + _takeBackControlInterpolant(interpolant) { + const interpolants = this._controlInterpolants, prevIndex = interpolant.__cacheIndex, firstInactiveIndex = --this._nActiveControlInterpolants, lastActiveInterpolant = interpolants[firstInactiveIndex]; + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[firstInactiveIndex] = interpolant; + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[prevIndex] = lastActiveInterpolant; + } + /** + * Returns an instance of {@link AnimationAction} for the passed clip. + * + * If an action fitting the clip and root parameters doesn't yet exist, it + * will be created by this method. Calling this method several times with the + * same clip and root parameters always returns the same action. + * + * @param {AnimationClip|string} clip - An animation clip or alternatively the name of the animation clip. + * @param {Object3D} [optionalRoot] - An alternative root object. + * @param {(NormalAnimationBlendMode|AdditiveAnimationBlendMode)} [blendMode] - The blend mode. + * @return {?AnimationAction} The animation action. + */ + clipAction(clip, optionalRoot, blendMode) { + const root = optionalRoot || this._root, rootUuid = root.uuid; + let clipObject = typeof clip === "string" ? AnimationClip.findByName(root, clip) : clip; + const clipUuid = clipObject !== null ? clipObject.uuid : clip; + const actionsForClip = this._actionsByClip[clipUuid]; + let prototypeAction = null; + if (blendMode === void 0) { + if (clipObject !== null) { + blendMode = clipObject.blendMode; + } else { + blendMode = NormalAnimationBlendMode; + } + } + if (actionsForClip !== void 0) { + const existingAction = actionsForClip.actionByRoot[rootUuid]; + if (existingAction !== void 0 && existingAction.blendMode === blendMode) { + return existingAction; + } + prototypeAction = actionsForClip.knownActions[0]; + if (clipObject === null) + clipObject = prototypeAction._clip; + } + if (clipObject === null) return null; + const newAction = new AnimationAction(this, clipObject, optionalRoot, blendMode); + this._bindAction(newAction, prototypeAction); + this._addInactiveAction(newAction, clipUuid, rootUuid); + return newAction; + } + /** + * Returns an existing animation action for the passed clip. + * + * @param {AnimationClip|string} clip - An animation clip or alternatively the name of the animation clip. + * @param {Object3D} [optionalRoot] - An alternative root object. + * @return {?AnimationAction} The animation action. Returns `null` if no action was found. + */ + existingAction(clip, optionalRoot) { + const root = optionalRoot || this._root, rootUuid = root.uuid, clipObject = typeof clip === "string" ? AnimationClip.findByName(root, clip) : clip, clipUuid = clipObject ? clipObject.uuid : clip, actionsForClip = this._actionsByClip[clipUuid]; + if (actionsForClip !== void 0) { + return actionsForClip.actionByRoot[rootUuid] || null; + } + return null; + } + /** + * Deactivates all previously scheduled actions on this mixer. + * + * @return {AnimationMixer} A reference to this animation mixer. + */ + stopAllAction() { + const actions = this._actions, nActions = this._nActiveActions; + for (let i = nActions - 1; i >= 0; --i) { + actions[i].stop(); + } + return this; + } + /** + * Advances the global mixer time and updates the animation. + * + * This is usually done in the render loop by passing the delta + * time from {@link Clock} or {@link Timer}. + * + * @param {number} deltaTime - The delta time in seconds. + * @return {AnimationMixer} A reference to this animation mixer. + */ + update(deltaTime) { + deltaTime *= this.timeScale; + const actions = this._actions, nActions = this._nActiveActions, time = this.time += deltaTime, timeDirection = Math.sign(deltaTime), accuIndex = this._accuIndex ^= 1; + for (let i = 0; i !== nActions; ++i) { + const action = actions[i]; + action._update(time, deltaTime, timeDirection, accuIndex); + } + const bindings = this._bindings, nBindings = this._nActiveBindings; + for (let i = 0; i !== nBindings; ++i) { + bindings[i].apply(accuIndex); + } + return this; + } + /** + * Sets the global mixer to a specific time and updates the animation accordingly. + * + * This is useful when you need to jump to an exact time in an animation. The + * input parameter will be scaled by {@link AnimationMixer#timeScale} + * + * @param {number} time - The time to set in seconds. + * @return {AnimationMixer} A reference to this animation mixer. + */ + setTime(time) { + this.time = 0; + for (let i = 0; i < this._actions.length; i++) { + this._actions[i].time = 0; + } + return this.update(time); + } + /** + * Returns this mixer's root object. + * + * @return {Object3D} The mixer's root object. + */ + getRoot() { + return this._root; + } + /** + * Deallocates all memory resources for a clip. Before using this method make + * sure to call {@link AnimationAction#stop} for all related actions. + * + * @param {AnimationClip} clip - The clip to uncache. + */ + uncacheClip(clip) { + const actions = this._actions, clipUuid = clip.uuid, actionsByClip = this._actionsByClip, actionsForClip = actionsByClip[clipUuid]; + if (actionsForClip !== void 0) { + const actionsToRemove = actionsForClip.knownActions; + for (let i = 0, n = actionsToRemove.length; i !== n; ++i) { + const action = actionsToRemove[i]; + this._deactivateAction(action); + const cacheIndex = action._cacheIndex, lastInactiveAction = actions[actions.length - 1]; + action._cacheIndex = null; + action._byClipCacheIndex = null; + lastInactiveAction._cacheIndex = cacheIndex; + actions[cacheIndex] = lastInactiveAction; + actions.pop(); + this._removeInactiveBindingsForAction(action); + } + delete actionsByClip[clipUuid]; + } + } + /** + * Deallocates all memory resources for a root object. Before using this + * method make sure to call {@link AnimationAction#stop} for all related + * actions or alternatively {@link AnimationMixer#stopAllAction} when the + * mixer operates on a single root. + * + * @param {Object3D} root - The root object to uncache. + */ + uncacheRoot(root) { + const rootUuid = root.uuid, actionsByClip = this._actionsByClip; + for (const clipUuid in actionsByClip) { + const actionByRoot = actionsByClip[clipUuid].actionByRoot, action = actionByRoot[rootUuid]; + if (action !== void 0) { + this._deactivateAction(action); + this._removeInactiveAction(action); + } + } + const bindingsByRoot = this._bindingsByRootAndName, bindingByName = bindingsByRoot[rootUuid]; + if (bindingByName !== void 0) { + for (const trackName in bindingByName) { + const binding = bindingByName[trackName]; + binding.restoreOriginalState(); + this._removeInactiveBinding(binding); + } + } + } + /** + * Deallocates all memory resources for an action. The action is identified by the + * given clip and an optional root object. Before using this method make + * sure to call {@link AnimationAction#stop} to deactivate the action. + * + * @param {AnimationClip|string} clip - An animation clip or alternatively the name of the animation clip. + * @param {Object3D} [optionalRoot] - An alternative root object. + */ + uncacheAction(clip, optionalRoot) { + const action = this.existingAction(clip, optionalRoot); + if (action !== null) { + this._deactivateAction(action); + this._removeInactiveAction(action); + } + } +}; +var RenderTarget3D = class extends RenderTarget { + /** + * Constructs a new 3D render target. + * + * @param {number} [width=1] - The width of the render target. + * @param {number} [height=1] - The height of the render target. + * @param {number} [depth=1] - The height of the render target. + * @param {RenderTarget~Options} [options] - The configuration object. + */ + constructor(width = 1, height = 1, depth = 1, options = {}) { + super(width, height, options); + this.isRenderTarget3D = true; + this.depth = depth; + this.texture = new Data3DTexture(null, width, height, depth); + this._setTextureOptions(options); + this.texture.isRenderTargetTexture = true; + } +}; +var Uniform = class _Uniform { + /** + * Constructs a new uniform. + * + * @param {any} value - The uniform value. + */ + constructor(value) { + this.value = value; + } + /** + * Returns a new uniform with copied values from this instance. + * If the value has a `clone()` method, the value is cloned as well. + * + * @return {Uniform} A clone of this instance. + */ + clone() { + return new _Uniform(this.value.clone === void 0 ? this.value : this.value.clone()); + } +}; +var _id = 0; +var UniformsGroup = class extends EventDispatcher { + /** + * Constructs a new uniforms group. + */ + constructor() { + super(); + this.isUniformsGroup = true; + Object.defineProperty(this, "id", { value: _id++ }); + this.name = ""; + this.usage = StaticDrawUsage; + this.uniforms = []; + } + /** + * Adds the given uniform to this uniforms group. + * + * @param {Uniform} uniform - The uniform to add. + * @return {UniformsGroup} A reference to this uniforms group. + */ + add(uniform) { + this.uniforms.push(uniform); + return this; + } + /** + * Removes the given uniform from this uniforms group. + * + * @param {Uniform} uniform - The uniform to remove. + * @return {UniformsGroup} A reference to this uniforms group. + */ + remove(uniform) { + const index = this.uniforms.indexOf(uniform); + if (index !== -1) this.uniforms.splice(index, 1); + return this; + } + /** + * Sets the name of this uniforms group. + * + * @param {string} name - The name to set. + * @return {UniformsGroup} A reference to this uniforms group. + */ + setName(name) { + this.name = name; + return this; + } + /** + * Sets the usage of this uniforms group. + * + * @param {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)} value - The usage to set. + * @return {UniformsGroup} A reference to this uniforms group. + */ + setUsage(value) { + this.usage = value; + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + * + * @fires Texture#dispose + */ + dispose() { + this.dispatchEvent({ type: "dispose" }); + } + /** + * Copies the values of the given uniforms group to this instance. + * + * @param {UniformsGroup} source - The uniforms group to copy. + * @return {UniformsGroup} A reference to this uniforms group. + */ + copy(source) { + this.name = source.name; + this.usage = source.usage; + const uniformsSource = source.uniforms; + this.uniforms.length = 0; + for (let i = 0, l = uniformsSource.length; i < l; i++) { + const uniforms = Array.isArray(uniformsSource[i]) ? uniformsSource[i] : [uniformsSource[i]]; + for (let j = 0; j < uniforms.length; j++) { + this.uniforms.push(uniforms[j].clone()); + } + } + return this; + } + /** + * Returns a new uniforms group with copied values from this instance. + * + * @return {UniformsGroup} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } +}; +var InstancedInterleavedBuffer = class extends InterleavedBuffer { + /** + * Constructs a new instanced interleaved buffer. + * + * @param {TypedArray} array - A typed array with a shared buffer storing attribute data. + * @param {number} stride - The number of typed-array elements per vertex. + * @param {number} [meshPerAttribute=1] - Defines how often a value of this interleaved buffer should be repeated. + */ + constructor(array, stride, meshPerAttribute = 1) { + super(array, stride); + this.isInstancedInterleavedBuffer = true; + this.meshPerAttribute = meshPerAttribute; + } + copy(source) { + super.copy(source); + this.meshPerAttribute = source.meshPerAttribute; + return this; + } + clone(data) { + const ib = super.clone(data); + ib.meshPerAttribute = this.meshPerAttribute; + return ib; + } + toJSON(data) { + const json = super.toJSON(data); + json.isInstancedInterleavedBuffer = true; + json.meshPerAttribute = this.meshPerAttribute; + return json; + } +}; +var GLBufferAttribute = class { + /** + * Constructs a new GL buffer attribute. + * + * @param {WebGLBuffer} buffer - The native WebGL buffer. + * @param {number} type - The native data type (e.g. `gl.FLOAT`). + * @param {number} itemSize - The item size. + * @param {number} elementSize - The corresponding size (in bytes) for the given `type` parameter. + * @param {number} count - The expected number of vertices in VBO. + * @param {boolean} [normalized=false] - Whether the data are normalized or not. + */ + constructor(buffer, type, itemSize, elementSize, count, normalized = false) { + this.isGLBufferAttribute = true; + this.name = ""; + this.buffer = buffer; + this.type = type; + this.itemSize = itemSize; + this.elementSize = elementSize; + this.count = count; + this.normalized = normalized; + this.version = 0; + } + /** + * Flag to indicate that this attribute has changed and should be re-sent to + * the GPU. Set this to `true` when you modify the value of the array. + * + * @type {number} + * @default false + * @param {boolean} value + */ + set needsUpdate(value) { + if (value === true) this.version++; + } + /** + * Sets the given native WebGL buffer. + * + * @param {WebGLBuffer} buffer - The buffer to set. + * @return {BufferAttribute} A reference to this instance. + */ + setBuffer(buffer) { + this.buffer = buffer; + return this; + } + /** + * Sets the given native data type and element size. + * + * @param {number} type - The native data type (e.g. `gl.FLOAT`). + * @param {number} elementSize - The corresponding size (in bytes) for the given `type` parameter. + * @return {BufferAttribute} A reference to this instance. + */ + setType(type, elementSize) { + this.type = type; + this.elementSize = elementSize; + return this; + } + /** + * Sets the item size. + * + * @param {number} itemSize - The item size. + * @return {BufferAttribute} A reference to this instance. + */ + setItemSize(itemSize) { + this.itemSize = itemSize; + return this; + } + /** + * Sets the count (the expected number of vertices in VBO). + * + * @param {number} count - The count. + * @return {BufferAttribute} A reference to this instance. + */ + setCount(count) { + this.count = count; + return this; + } +}; +var _matrix = new Matrix4(); +var Raycaster = class { + /** + * Constructs a new raycaster. + * + * @param {Vector3} origin - The origin vector where the ray casts from. + * @param {Vector3} direction - The (normalized) direction vector that gives direction to the ray. + * @param {number} [near=0] - All results returned are further away than near. Near can't be negative. + * @param {number} [far=Infinity] - All results returned are closer than far. Far can't be lower than near. + */ + constructor(origin, direction, near = 0, far = Infinity) { + this.ray = new Ray(origin, direction); + this.near = near; + this.far = far; + this.camera = null; + this.layers = new Layers(); + this.params = { + Mesh: {}, + Line: { threshold: 1 }, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; + } + /** + * Updates the ray with a new origin and direction by copying the values from the arguments. + * + * @param {Vector3} origin - The origin vector where the ray casts from. + * @param {Vector3} direction - The (normalized) direction vector that gives direction to the ray. + */ + set(origin, direction) { + this.ray.set(origin, direction); + } + /** + * Uses the given coordinates and camera to compute a new origin and direction for the internal ray. + * + * @param {Vector2} coords - 2D coordinates of the mouse, in normalized device coordinates (NDC). + * X and Y components should be between `-1` and `1`. + * @param {Camera} camera - The camera from which the ray should originate. + */ + setFromCamera(coords, camera) { + if (camera.isPerspectiveCamera) { + this.ray.origin.setFromMatrixPosition(camera.matrixWorld); + this.ray.direction.set(coords.x, coords.y, 0.5).unproject(camera).sub(this.ray.origin).normalize(); + this.camera = camera; + } else if (camera.isOrthographicCamera) { + this.ray.origin.set(coords.x, coords.y, (camera.near + camera.far) / (camera.near - camera.far)).unproject(camera); + this.ray.direction.set(0, 0, -1).transformDirection(camera.matrixWorld); + this.camera = camera; + } else { + error("Raycaster: Unsupported camera type: " + camera.type); + } + } + /** + * Uses the given WebXR controller to compute a new origin and direction for the internal ray. + * + * @param {WebXRController} controller - The controller to copy the position and direction from. + * @return {Raycaster} A reference to this raycaster. + */ + setFromXRController(controller) { + _matrix.identity().extractRotation(controller.matrixWorld); + this.ray.origin.setFromMatrixPosition(controller.matrixWorld); + this.ray.direction.set(0, 0, -1).applyMatrix4(_matrix); + return this; + } + /** + * The intersection point of a raycaster intersection test. + * @typedef {Object} Raycaster~Intersection + * @property {number} distance - The distance from the ray's origin to the intersection point. + * @property {number} distanceToRay - Some 3D objects e.g. {@link Points} provide the distance of the + * intersection to the nearest point on the ray. For other objects it will be `undefined`. + * @property {Vector3} point - The intersection point, in world coordinates. + * @property {Object} face - The face that has been intersected. + * @property {number} faceIndex - The face index. + * @property {Object3D} object - The 3D object that has been intersected. + * @property {Vector2} uv - U,V coordinates at point of intersection. + * @property {Vector2} uv1 - Second set of U,V coordinates at point of intersection. + * @property {Vector3} uv1 - Interpolated normal vector at point of intersection. + * @property {number} instanceId - The index number of the instance where the ray + * intersects the {@link InstancedMesh}. + */ + /** + * Checks all intersection between the ray and the object with or without the + * descendants. Intersections are returned sorted by distance, closest first. + * + * `Raycaster` delegates to the `raycast()` method of the passed 3D object, when + * evaluating whether the ray intersects the object or not. This allows meshes to respond + * differently to ray casting than lines or points. + * + * Note that for meshes, faces must be pointed towards the origin of the ray in order + * to be detected; intersections of the ray passing through the back of a face will not + * be detected. To raycast against both faces of an object, you'll want to set {@link Material#side} + * to `THREE.DoubleSide`. + * + * @param {Object3D} object - The 3D object to check for intersection with the ray. + * @param {boolean} [recursive=true] - If set to `true`, it also checks all descendants. + * Otherwise it only checks intersection with the object. + * @param {Array} [intersects=[]] The target array that holds the result of the method. + * @return {Array} An array holding the intersection points. + */ + intersectObject(object, recursive = true, intersects2 = []) { + intersect(object, this, intersects2, recursive); + intersects2.sort(ascSort); + return intersects2; + } + /** + * Checks all intersection between the ray and the objects with or without + * the descendants. Intersections are returned sorted by distance, closest first. + * + * @param {Array} objects - The 3D objects to check for intersection with the ray. + * @param {boolean} [recursive=true] - If set to `true`, it also checks all descendants. + * Otherwise it only checks intersection with the object. + * @param {Array} [intersects=[]] The target array that holds the result of the method. + * @return {Array} An array holding the intersection points. + */ + intersectObjects(objects, recursive = true, intersects2 = []) { + for (let i = 0, l = objects.length; i < l; i++) { + intersect(objects[i], this, intersects2, recursive); + } + intersects2.sort(ascSort); + return intersects2; + } +}; +function ascSort(a, b) { + return a.distance - b.distance; +} +function intersect(object, raycaster, intersects2, recursive) { + let propagate = true; + if (object.layers.test(raycaster.layers)) { + const result = object.raycast(raycaster, intersects2); + if (result === false) propagate = false; + } + if (propagate === true && recursive === true) { + const children = object.children; + for (let i = 0, l = children.length; i < l; i++) { + intersect(children[i], raycaster, intersects2, true); + } + } +} +var Timer = class { + /** + * Constructs a new timer. + */ + constructor() { + this._previousTime = 0; + this._currentTime = 0; + this._startTime = performance.now(); + this._delta = 0; + this._elapsed = 0; + this._timescale = 1; + this._document = null; + this._pageVisibilityHandler = null; + } + /** + * Connect the timer to the given document.Calling this method is not mandatory to + * use the timer but enables the usage of the Page Visibility API to avoid large time + * delta values. + * + * @param {Document} document - The document. + */ + connect(document2) { + this._document = document2; + if (document2.hidden !== void 0) { + this._pageVisibilityHandler = handleVisibilityChange.bind(this); + document2.addEventListener("visibilitychange", this._pageVisibilityHandler, false); + } + } + /** + * Disconnects the timer from the DOM and also disables the usage of the Page Visibility API. + */ + disconnect() { + if (this._pageVisibilityHandler !== null) { + this._document.removeEventListener("visibilitychange", this._pageVisibilityHandler); + this._pageVisibilityHandler = null; + } + this._document = null; + } + /** + * Returns the time delta in seconds. + * + * @return {number} The time delta in second. + */ + getDelta() { + return this._delta / 1e3; + } + /** + * Returns the elapsed time in seconds. + * + * @return {number} The elapsed time in second. + */ + getElapsed() { + return this._elapsed / 1e3; + } + /** + * Returns the timescale. + * + * @return {number} The timescale. + */ + getTimescale() { + return this._timescale; + } + /** + * Sets the given timescale which scale the time delta computation + * in `update()`. + * + * @param {number} timescale - The timescale to set. + * @return {Timer} A reference to this timer. + */ + setTimescale(timescale) { + this._timescale = timescale; + return this; + } + /** + * Resets the time computation for the current simulation step. + * + * @return {Timer} A reference to this timer. + */ + reset() { + this._currentTime = performance.now() - this._startTime; + return this; + } + /** + * Can be used to free all internal resources. Usually called when + * the timer instance isn't required anymore. + */ + dispose() { + this.disconnect(); + } + /** + * Updates the internal state of the timer. This method should be called + * once per simulation step and before you perform queries against the timer + * (e.g. via `getDelta()`). + * + * @param {number} timestamp - The current time in milliseconds. Can be obtained + * from the `requestAnimationFrame` callback argument. If not provided, the current + * time will be determined with `performance.now`. + * @return {Timer} A reference to this timer. + */ + update(timestamp) { + if (this._pageVisibilityHandler !== null && this._document.hidden === true) { + this._delta = 0; + } else { + this._previousTime = this._currentTime; + this._currentTime = (timestamp !== void 0 ? timestamp : performance.now()) - this._startTime; + this._delta = (this._currentTime - this._previousTime) * this._timescale; + this._elapsed += this._delta; + } + return this; + } +}; +function handleVisibilityChange() { + if (this._document.hidden === false) this.reset(); +} +var Spherical = class { + /** + * Constructs a new spherical. + * + * @param {number} [radius=1] - The radius, or the Euclidean distance (straight-line distance) from the point to the origin. + * @param {number} [phi=0] - The polar angle in radians from the y (up) axis. + * @param {number} [theta=0] - The equator/azimuthal angle in radians around the y (up) axis. + */ + constructor(radius = 1, phi = 0, theta = 0) { + this.radius = radius; + this.phi = phi; + this.theta = theta; + } + /** + * Sets the spherical components by copying the given values. + * + * @param {number} radius - The radius. + * @param {number} phi - The polar angle. + * @param {number} theta - The azimuthal angle. + * @return {Spherical} A reference to this spherical. + */ + set(radius, phi, theta) { + this.radius = radius; + this.phi = phi; + this.theta = theta; + return this; + } + /** + * Copies the values of the given spherical to this instance. + * + * @param {Spherical} other - The spherical to copy. + * @return {Spherical} A reference to this spherical. + */ + copy(other) { + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; + return this; + } + /** + * Restricts the polar angle [page:.phi phi] to be between `0.000001` and pi - + * `0.000001`. + * + * @return {Spherical} A reference to this spherical. + */ + makeSafe() { + const EPS = 1e-6; + this.phi = clamp(this.phi, EPS, Math.PI - EPS); + return this; + } + /** + * Sets the spherical components from the given vector which is assumed to hold + * Cartesian coordinates. + * + * @param {Vector3} v - The vector to set. + * @return {Spherical} A reference to this spherical. + */ + setFromVector3(v) { + return this.setFromCartesianCoords(v.x, v.y, v.z); + } + /** + * Sets the spherical components from the given Cartesian coordinates. + * + * @param {number} x - The x value. + * @param {number} y - The y value. + * @param {number} z - The z value. + * @return {Spherical} A reference to this spherical. + */ + setFromCartesianCoords(x, y, z) { + this.radius = Math.sqrt(x * x + y * y + z * z); + if (this.radius === 0) { + this.theta = 0; + this.phi = 0; + } else { + this.theta = Math.atan2(x, z); + this.phi = Math.acos(clamp(y / this.radius, -1, 1)); + } + return this; + } + /** + * Returns a new spherical with copied values from this instance. + * + * @return {Spherical} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } +}; +var Cylindrical = class { + /** + * Constructs a new cylindrical. + * + * @param {number} [radius=1] - The distance from the origin to a point in the x-z plane. + * @param {number} [theta=0] - A counterclockwise angle in the x-z plane measured in radians from the positive z-axis. + * @param {number} [y=0] - The height above the x-z plane. + */ + constructor(radius = 1, theta = 0, y = 0) { + this.radius = radius; + this.theta = theta; + this.y = y; + } + /** + * Sets the cylindrical components by copying the given values. + * + * @param {number} radius - The radius. + * @param {number} theta - The theta angle. + * @param {number} y - The height value. + * @return {Cylindrical} A reference to this cylindrical. + */ + set(radius, theta, y) { + this.radius = radius; + this.theta = theta; + this.y = y; + return this; + } + /** + * Copies the values of the given cylindrical to this instance. + * + * @param {Cylindrical} other - The cylindrical to copy. + * @return {Cylindrical} A reference to this cylindrical. + */ + copy(other) { + this.radius = other.radius; + this.theta = other.theta; + this.y = other.y; + return this; + } + /** + * Sets the cylindrical components from the given vector which is assumed to hold + * Cartesian coordinates. + * + * @param {Vector3} v - The vector to set. + * @return {Cylindrical} A reference to this cylindrical. + */ + setFromVector3(v) { + return this.setFromCartesianCoords(v.x, v.y, v.z); + } + /** + * Sets the cylindrical components from the given Cartesian coordinates. + * + * @param {number} x - The x value. + * @param {number} y - The x value. + * @param {number} z - The x value. + * @return {Cylindrical} A reference to this cylindrical. + */ + setFromCartesianCoords(x, y, z) { + this.radius = Math.sqrt(x * x + z * z); + this.theta = Math.atan2(x, z); + this.y = y; + return this; + } + /** + * Returns a new cylindrical with copied values from this instance. + * + * @return {Cylindrical} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } +}; +var Matrix2 = class _Matrix2 { + /** + * Constructs a new 2x2 matrix. The arguments are supposed to be + * in row-major order. If no arguments are provided, the constructor + * initializes the matrix as an identity matrix. + * + * @param {number} [n11] - 1-1 matrix element. + * @param {number} [n12] - 1-2 matrix element. + * @param {number} [n21] - 2-1 matrix element. + * @param {number} [n22] - 2-2 matrix element. + */ + constructor(n11, n12, n21, n22) { + _Matrix2.prototype.isMatrix2 = true; + this.elements = [ + 1, + 0, + 0, + 1 + ]; + if (n11 !== void 0) { + this.set(n11, n12, n21, n22); + } + } + /** + * Sets this matrix to the 2x2 identity matrix. + * + * @return {Matrix2} A reference to this matrix. + */ + identity() { + this.set( + 1, + 0, + 0, + 1 + ); + return this; + } + /** + * Sets the elements of the matrix from the given array. + * + * @param {Array} array - The matrix elements in column-major order. + * @param {number} [offset=0] - Index of the first element in the array. + * @return {Matrix2} A reference to this matrix. + */ + fromArray(array, offset = 0) { + for (let i = 0; i < 4; i++) { + this.elements[i] = array[i + offset]; + } + return this; + } + /** + * Sets the elements of the matrix.The arguments are supposed to be + * in row-major order. + * + * @param {number} n11 - 1-1 matrix element. + * @param {number} n12 - 1-2 matrix element. + * @param {number} n21 - 2-1 matrix element. + * @param {number} n22 - 2-2 matrix element. + * @return {Matrix2} A reference to this matrix. + */ + set(n11, n12, n21, n22) { + const te = this.elements; + te[0] = n11; + te[2] = n12; + te[1] = n21; + te[3] = n22; + return this; + } +}; +var _vector$4 = new Vector2(); +var Box2 = class { + /** + * Constructs a new bounding box. + * + * @param {Vector2} [min=(Infinity,Infinity)] - A vector representing the lower boundary of the box. + * @param {Vector2} [max=(-Infinity,-Infinity)] - A vector representing the upper boundary of the box. + */ + constructor(min = new Vector2(Infinity, Infinity), max = new Vector2(-Infinity, -Infinity)) { + this.isBox2 = true; + this.min = min; + this.max = max; + } + /** + * Sets the lower and upper boundaries of this box. + * Please note that this method only copies the values from the given objects. + * + * @param {Vector2} min - The lower boundary of the box. + * @param {Vector2} max - The upper boundary of the box. + * @return {Box2} A reference to this bounding box. + */ + set(min, max) { + this.min.copy(min); + this.max.copy(max); + return this; + } + /** + * Sets the upper and lower bounds of this box so it encloses the position data + * in the given array. + * + * @param {Array} points - An array holding 2D position data as instances of {@link Vector2}. + * @return {Box2} A reference to this bounding box. + */ + setFromPoints(points) { + this.makeEmpty(); + for (let i = 0, il = points.length; i < il; i++) { + this.expandByPoint(points[i]); + } + return this; + } + /** + * Centers this box on the given center vector and sets this box's width, height and + * depth to the given size values. + * + * @param {Vector2} center - The center of the box. + * @param {Vector2} size - The x and y dimensions of the box. + * @return {Box2} A reference to this bounding box. + */ + setFromCenterAndSize(center, size) { + const halfSize = _vector$4.copy(size).multiplyScalar(0.5); + this.min.copy(center).sub(halfSize); + this.max.copy(center).add(halfSize); + return this; + } + /** + * Returns a new box with copied values from this instance. + * + * @return {Box2} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } + /** + * Copies the values of the given box to this instance. + * + * @param {Box2} box - The box to copy. + * @return {Box2} A reference to this bounding box. + */ + copy(box) { + this.min.copy(box.min); + this.max.copy(box.max); + return this; + } + /** + * Makes this box empty which means in encloses a zero space in 2D. + * + * @return {Box2} A reference to this bounding box. + */ + makeEmpty() { + this.min.x = this.min.y = Infinity; + this.max.x = this.max.y = -Infinity; + return this; + } + /** + * Returns true if this box includes zero points within its bounds. + * Note that a box with equal lower and upper bounds still includes one + * point, the one both bounds share. + * + * @return {boolean} Whether this box is empty or not. + */ + isEmpty() { + return this.max.x < this.min.x || this.max.y < this.min.y; + } + /** + * Returns the center point of this box. + * + * @param {Vector2} target - The target vector that is used to store the method's result. + * @return {Vector2} The center point. + */ + getCenter(target) { + return this.isEmpty() ? target.set(0, 0) : target.addVectors(this.min, this.max).multiplyScalar(0.5); + } + /** + * Returns the dimensions of this box. + * + * @param {Vector2} target - The target vector that is used to store the method's result. + * @return {Vector2} The size. + */ + getSize(target) { + return this.isEmpty() ? target.set(0, 0) : target.subVectors(this.max, this.min); + } + /** + * Expands the boundaries of this box to include the given point. + * + * @param {Vector2} point - The point that should be included by the bounding box. + * @return {Box2} A reference to this bounding box. + */ + expandByPoint(point) { + this.min.min(point); + this.max.max(point); + return this; + } + /** + * Expands this box equilaterally by the given vector. The width of this + * box will be expanded by the x component of the vector in both + * directions. The height of this box will be expanded by the y component of + * the vector in both directions. + * + * @param {Vector2} vector - The vector that should expand the bounding box. + * @return {Box2} A reference to this bounding box. + */ + expandByVector(vector) { + this.min.sub(vector); + this.max.add(vector); + return this; + } + /** + * Expands each dimension of the box by the given scalar. If negative, the + * dimensions of the box will be contracted. + * + * @param {number} scalar - The scalar value that should expand the bounding box. + * @return {Box2} A reference to this bounding box. + */ + expandByScalar(scalar) { + this.min.addScalar(-scalar); + this.max.addScalar(scalar); + return this; + } + /** + * Returns `true` if the given point lies within or on the boundaries of this box. + * + * @param {Vector2} point - The point to test. + * @return {boolean} Whether the bounding box contains the given point or not. + */ + containsPoint(point) { + return point.x >= this.min.x && point.x <= this.max.x && point.y >= this.min.y && point.y <= this.max.y; + } + /** + * Returns `true` if this bounding box includes the entirety of the given bounding box. + * If this box and the given one are identical, this function also returns `true`. + * + * @param {Box2} box - The bounding box to test. + * @return {boolean} Whether the bounding box contains the given bounding box or not. + */ + containsBox(box) { + return this.min.x <= box.min.x && box.max.x <= this.max.x && this.min.y <= box.min.y && box.max.y <= this.max.y; + } + /** + * Returns a point as a proportion of this box's width and height. + * + * @param {Vector2} point - A point in 2D space. + * @param {Vector2} target - The target vector that is used to store the method's result. + * @return {Vector2} A point as a proportion of this box's width and height. + */ + getParameter(point, target) { + return target.set( + (point.x - this.min.x) / (this.max.x - this.min.x), + (point.y - this.min.y) / (this.max.y - this.min.y) + ); + } + /** + * Returns `true` if the given bounding box intersects with this bounding box. + * + * @param {Box2} box - The bounding box to test. + * @return {boolean} Whether the given bounding box intersects with this bounding box. + */ + intersectsBox(box) { + return box.max.x >= this.min.x && box.min.x <= this.max.x && box.max.y >= this.min.y && box.min.y <= this.max.y; + } + /** + * Clamps the given point within the bounds of this box. + * + * @param {Vector2} point - The point to clamp. + * @param {Vector2} target - The target vector that is used to store the method's result. + * @return {Vector2} The clamped point. + */ + clampPoint(point, target) { + return target.copy(point).clamp(this.min, this.max); + } + /** + * Returns the euclidean distance from any edge of this box to the specified point. If + * the given point lies inside of this box, the distance will be `0`. + * + * @param {Vector2} point - The point to compute the distance to. + * @return {number} The euclidean distance. + */ + distanceToPoint(point) { + return this.clampPoint(point, _vector$4).distanceTo(point); + } + /** + * Computes the intersection of this bounding box and the given one, setting the upper + * bound of this box to the lesser of the two boxes' upper bounds and the + * lower bound of this box to the greater of the two boxes' lower bounds. If + * there's no overlap, makes this box empty. + * + * @param {Box2} box - The bounding box to intersect with. + * @return {Box2} A reference to this bounding box. + */ + intersect(box) { + this.min.max(box.min); + this.max.min(box.max); + if (this.isEmpty()) this.makeEmpty(); + return this; + } + /** + * Computes the union of this box and another and the given one, setting the upper + * bound of this box to the greater of the two boxes' upper bounds and the + * lower bound of this box to the lesser of the two boxes' lower bounds. + * + * @param {Box2} box - The bounding box that will be unioned with this instance. + * @return {Box2} A reference to this bounding box. + */ + union(box) { + this.min.min(box.min); + this.max.max(box.max); + return this; + } + /** + * Adds the given offset to both the upper and lower bounds of this bounding box, + * effectively moving it in 2D space. + * + * @param {Vector2} offset - The offset that should be used to translate the bounding box. + * @return {Box2} A reference to this bounding box. + */ + translate(offset) { + this.min.add(offset); + this.max.add(offset); + return this; + } + /** + * Returns `true` if this bounding box is equal with the given one. + * + * @param {Box2} box - The box to test for equality. + * @return {boolean} Whether this bounding box is equal with the given one. + */ + equals(box) { + return box.min.equals(this.min) && box.max.equals(this.max); + } +}; +var _startP = new Vector3(); +var _startEnd = new Vector3(); +var _d1 = new Vector3(); +var _d2 = new Vector3(); +var _r = new Vector3(); +var _c1 = new Vector3(); +var _c2 = new Vector3(); +var Line3 = class { + /** + * Constructs a new line segment. + * + * @param {Vector3} [start=(0,0,0)] - Start of the line segment. + * @param {Vector3} [end=(0,0,0)] - End of the line segment. + */ + constructor(start = new Vector3(), end = new Vector3()) { + this.start = start; + this.end = end; + } + /** + * Sets the start and end values by copying the given vectors. + * + * @param {Vector3} start - The start point. + * @param {Vector3} end - The end point. + * @return {Line3} A reference to this line segment. + */ + set(start, end) { + this.start.copy(start); + this.end.copy(end); + return this; + } + /** + * Copies the values of the given line segment to this instance. + * + * @param {Line3} line - The line segment to copy. + * @return {Line3} A reference to this line segment. + */ + copy(line) { + this.start.copy(line.start); + this.end.copy(line.end); + return this; + } + /** + * Returns the center of the line segment. + * + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The center point. + */ + getCenter(target) { + return target.addVectors(this.start, this.end).multiplyScalar(0.5); + } + /** + * Returns the delta vector of the line segment's start and end point. + * + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The delta vector. + */ + delta(target) { + return target.subVectors(this.end, this.start); + } + /** + * Returns the squared Euclidean distance between the line' start and end point. + * + * @return {number} The squared Euclidean distance. + */ + distanceSq() { + return this.start.distanceToSquared(this.end); + } + /** + * Returns the Euclidean distance between the line' start and end point. + * + * @return {number} The Euclidean distance. + */ + distance() { + return this.start.distanceTo(this.end); + } + /** + * Returns a vector at a certain position along the line segment. + * + * @param {number} t - A value between `[0,1]` to represent a position along the line segment. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The delta vector. + */ + at(t, target) { + return this.delta(target).multiplyScalar(t).add(this.start); + } + /** + * Returns a point parameter based on the closest point as projected on the line segment. + * + * @param {Vector3} point - The point for which to return a point parameter. + * @param {boolean} clampToLine - Whether to clamp the result to the range `[0,1]` or not. + * @return {number} The point parameter. + */ + closestPointToPointParameter(point, clampToLine) { + _startP.subVectors(point, this.start); + _startEnd.subVectors(this.end, this.start); + const startEnd2 = _startEnd.dot(_startEnd); + const startEnd_startP = _startEnd.dot(_startP); + let t = startEnd_startP / startEnd2; + if (clampToLine) { + t = clamp(t, 0, 1); + } + return t; + } + /** + * Returns the closest point on the line for a given point. + * + * @param {Vector3} point - The point to compute the closest point on the line for. + * @param {boolean} clampToLine - Whether to clamp the result to the range `[0,1]` or not. + * @param {Vector3} target - The target vector that is used to store the method's result. + * @return {Vector3} The closest point on the line. + */ + closestPointToPoint(point, clampToLine, target) { + const t = this.closestPointToPointParameter(point, clampToLine); + return this.delta(target).multiplyScalar(t).add(this.start); + } + /** + * Returns the closest squared distance between this line segment and the given one. + * + * @param {Line3} line - The line segment to compute the closest squared distance to. + * @param {Vector3} [c1] - The closest point on this line segment. + * @param {Vector3} [c2] - The closest point on the given line segment. + * @return {number} The squared distance between this line segment and the given one. + */ + distanceSqToLine3(line, c1 = _c1, c2 = _c2) { + const EPSILON = 1e-8 * 1e-8; + let s, t; + const p1 = this.start; + const p2 = line.start; + const q1 = this.end; + const q2 = line.end; + _d1.subVectors(q1, p1); + _d2.subVectors(q2, p2); + _r.subVectors(p1, p2); + const a = _d1.dot(_d1); + const e = _d2.dot(_d2); + const f = _d2.dot(_r); + if (a <= EPSILON && e <= EPSILON) { + c1.copy(p1); + c2.copy(p2); + c1.sub(c2); + return c1.dot(c1); + } + if (a <= EPSILON) { + s = 0; + t = f / e; + t = clamp(t, 0, 1); + } else { + const c = _d1.dot(_r); + if (e <= EPSILON) { + t = 0; + s = clamp(-c / a, 0, 1); + } else { + const b = _d1.dot(_d2); + const denom = a * e - b * b; + if (denom !== 0) { + s = clamp((b * f - c * e) / denom, 0, 1); + } else { + s = 0; + } + t = (b * s + f) / e; + if (t < 0) { + t = 0; + s = clamp(-c / a, 0, 1); + } else if (t > 1) { + t = 1; + s = clamp((b - c) / a, 0, 1); + } + } + } + c1.copy(p1).add(_d1.multiplyScalar(s)); + c2.copy(p2).add(_d2.multiplyScalar(t)); + c1.sub(c2); + return c1.dot(c1); + } + /** + * Applies a 4x4 transformation matrix to this line segment. + * + * @param {Matrix4} matrix - The transformation matrix. + * @return {Line3} A reference to this line segment. + */ + applyMatrix4(matrix) { + this.start.applyMatrix4(matrix); + this.end.applyMatrix4(matrix); + return this; + } + /** + * Returns `true` if this line segment is equal with the given one. + * + * @param {Line3} line - The line segment to test for equality. + * @return {boolean} Whether this line segment is equal with the given one. + */ + equals(line) { + return line.start.equals(this.start) && line.end.equals(this.end); + } + /** + * Returns a new line segment with copied values from this instance. + * + * @return {Line3} A clone of this instance. + */ + clone() { + return new this.constructor().copy(this); + } +}; +var _vector$3 = new Vector3(); +var SpotLightHelper = class extends Object3D { + /** + * Constructs a new spot light helper. + * + * @param {HemisphereLight} light - The light to be visualized. + * @param {number|Color|string} [color] - The helper's color. If not set, the helper will take + * the color of the light. + */ + constructor(light, color) { + super(); + this.light = light; + this.matrixAutoUpdate = false; + this.color = color; + this.type = "SpotLightHelper"; + const geometry = new BufferGeometry(); + const positions = [ + 0, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 1, + 0, + 1, + 0, + 0, + 0, + -1, + 0, + 1, + 0, + 0, + 0, + 0, + 1, + 1, + 0, + 0, + 0, + 0, + -1, + 1 + ]; + for (let i = 0, j = 1, l = 32; i < l; i++, j++) { + const p1 = i / l * Math.PI * 2; + const p2 = j / l * Math.PI * 2; + positions.push( + Math.cos(p1), + Math.sin(p1), + 1, + Math.cos(p2), + Math.sin(p2), + 1 + ); + } + geometry.setAttribute("position", new Float32BufferAttribute(positions, 3)); + const material = new LineBasicMaterial({ fog: false, toneMapped: false }); + this.cone = new LineSegments(geometry, material); + this.add(this.cone); + this.update(); + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.cone.geometry.dispose(); + this.cone.material.dispose(); + } + /** + * Updates the helper to match the position and direction of the + * light being visualized. + */ + update() { + this.light.updateWorldMatrix(true, false); + this.light.target.updateWorldMatrix(true, false); + if (this.parent) { + this.parent.updateWorldMatrix(true); + this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld); + } else { + this.matrix.copy(this.light.matrixWorld); + } + this.matrixWorld.copy(this.light.matrixWorld); + const coneLength = this.light.distance ? this.light.distance : 1e3; + const coneWidth = coneLength * Math.tan(this.light.angle); + this.cone.scale.set(coneWidth, coneWidth, coneLength); + _vector$3.setFromMatrixPosition(this.light.target.matrixWorld); + this.cone.lookAt(_vector$3); + if (this.color !== void 0) { + this.cone.material.color.set(this.color); + } else { + this.cone.material.color.copy(this.light.color); + } + } +}; +var _vector$2 = new Vector3(); +var _boneMatrix = new Matrix4(); +var _matrixWorldInv = new Matrix4(); +var SkeletonHelper = class extends LineSegments { + /** + * Constructs a new skeleton helper. + * + * @param {Object3D} object - Usually an instance of {@link SkinnedMesh}. However, any 3D object + * can be used if it represents a hierarchy of bones (see {@link Bone}). + */ + constructor(object) { + const bones = getBoneList(object); + const geometry = new BufferGeometry(); + const vertices = []; + const colors = []; + for (let i = 0; i < bones.length; i++) { + const bone = bones[i]; + if (bone.parent && bone.parent.isBone) { + vertices.push(0, 0, 0); + vertices.push(0, 0, 0); + colors.push(0, 0, 0); + colors.push(0, 0, 0); + } + } + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + const material = new LineBasicMaterial({ vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true }); + super(geometry, material); + this.isSkeletonHelper = true; + this.type = "SkeletonHelper"; + this.root = object; + this.bones = bones; + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; + const color1 = new Color(255); + const color2 = new Color(65280); + this.setColors(color1, color2); + } + updateMatrixWorld(force) { + const bones = this.bones; + const geometry = this.geometry; + const position = geometry.getAttribute("position"); + _matrixWorldInv.copy(this.root.matrixWorld).invert(); + for (let i = 0, j = 0; i < bones.length; i++) { + const bone = bones[i]; + if (bone.parent && bone.parent.isBone) { + _boneMatrix.multiplyMatrices(_matrixWorldInv, bone.matrixWorld); + _vector$2.setFromMatrixPosition(_boneMatrix); + position.setXYZ(j, _vector$2.x, _vector$2.y, _vector$2.z); + _boneMatrix.multiplyMatrices(_matrixWorldInv, bone.parent.matrixWorld); + _vector$2.setFromMatrixPosition(_boneMatrix); + position.setXYZ(j + 1, _vector$2.x, _vector$2.y, _vector$2.z); + j += 2; + } + } + geometry.getAttribute("position").needsUpdate = true; + super.updateMatrixWorld(force); + } + /** + * Defines the colors of the helper. + * + * @param {Color} color1 - The first line color for each bone. + * @param {Color} color2 - The second line color for each bone. + * @return {SkeletonHelper} A reference to this helper. + */ + setColors(color1, color2) { + const geometry = this.geometry; + const colorAttribute = geometry.getAttribute("color"); + for (let i = 0; i < colorAttribute.count; i += 2) { + colorAttribute.setXYZ(i, color1.r, color1.g, color1.b); + colorAttribute.setXYZ(i + 1, color2.r, color2.g, color2.b); + } + colorAttribute.needsUpdate = true; + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +}; +function getBoneList(object) { + const boneList = []; + if (object.isBone === true) { + boneList.push(object); + } + for (let i = 0; i < object.children.length; i++) { + boneList.push(...getBoneList(object.children[i])); + } + return boneList; +} +var PointLightHelper = class extends Mesh { + /** + * Constructs a new point light helper. + * + * @param {PointLight} light - The light to be visualized. + * @param {number} [sphereSize=1] - The size of the sphere helper. + * @param {number|Color|string} [color] - The helper's color. If not set, the helper will take + * the color of the light. + */ + constructor(light, sphereSize, color) { + const geometry = new SphereGeometry(sphereSize, 4, 2); + const material = new MeshBasicMaterial({ wireframe: true, fog: false, toneMapped: false }); + super(geometry, material); + this.light = light; + this.color = color; + this.type = "PointLightHelper"; + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; + this.update(); + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + /** + * Updates the helper to match the position of the + * light being visualized. + */ + update() { + this.light.updateWorldMatrix(true, false); + if (this.color !== void 0) { + this.material.color.set(this.color); + } else { + this.material.color.copy(this.light.color); + } + } +}; +var _vector$1 = new Vector3(); +var _color1 = new Color(); +var _color2 = new Color(); +var HemisphereLightHelper = class extends Object3D { + /** + * Constructs a new hemisphere light helper. + * + * @param {HemisphereLight} light - The light to be visualized. + * @param {number} [size=1] - The size of the mesh used to visualize the light. + * @param {number|Color|string} [color] - The helper's color. If not set, the helper will take + * the color of the light. + */ + constructor(light, size, color) { + super(); + this.light = light; + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + this.color = color; + this.type = "HemisphereLightHelper"; + const geometry = new OctahedronGeometry(size); + geometry.rotateY(Math.PI * 0.5); + this.material = new MeshBasicMaterial({ wireframe: true, fog: false, toneMapped: false }); + if (this.color === void 0) this.material.vertexColors = true; + const position = geometry.getAttribute("position"); + const colors = new Float32Array(position.count * 3); + geometry.setAttribute("color", new BufferAttribute(colors, 3)); + this.add(new Mesh(geometry, this.material)); + this.update(); + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.children[0].geometry.dispose(); + this.children[0].material.dispose(); + } + /** + * Updates the helper to match the position and direction of the + * light being visualized. + */ + update() { + const mesh = this.children[0]; + if (this.color !== void 0) { + this.material.color.set(this.color); + } else { + const colors = mesh.geometry.getAttribute("color"); + _color1.copy(this.light.color); + _color2.copy(this.light.groundColor); + for (let i = 0, l = colors.count; i < l; i++) { + const color = i < l / 2 ? _color1 : _color2; + colors.setXYZ(i, color.r, color.g, color.b); + } + colors.needsUpdate = true; + } + this.light.updateWorldMatrix(true, false); + mesh.lookAt(_vector$1.setFromMatrixPosition(this.light.matrixWorld).negate()); + } +}; +var GridHelper = class extends LineSegments { + /** + * Constructs a new grid helper. + * + * @param {number} [size=10] - The size of the grid. + * @param {number} [divisions=10] - The number of divisions across the grid. + * @param {number|Color|string} [color1=0x444444] - The color of the center line. + * @param {number|Color|string} [color2=0x888888] - The color of the lines of the grid. + */ + constructor(size = 10, divisions = 10, color1 = 4473924, color2 = 8947848) { + color1 = new Color(color1); + color2 = new Color(color2); + const center = divisions / 2; + const step = size / divisions; + const halfSize = size / 2; + const vertices = [], colors = []; + for (let i = 0, j = 0, k = -halfSize; i <= divisions; i++, k += step) { + vertices.push(-halfSize, 0, k, halfSize, 0, k); + vertices.push(k, 0, -halfSize, k, 0, halfSize); + const color = i === center ? color1 : color2; + color.toArray(colors, j); + j += 3; + color.toArray(colors, j); + j += 3; + color.toArray(colors, j); + j += 3; + color.toArray(colors, j); + j += 3; + } + const geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + const material = new LineBasicMaterial({ vertexColors: true, toneMapped: false }); + super(geometry, material); + this.type = "GridHelper"; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +}; +var PolarGridHelper = class extends LineSegments { + /** + * Constructs a new polar grid helper. + * + * @param {number} [radius=10] - The radius of the polar grid. This can be any positive number. + * @param {number} [sectors=16] - The number of sectors the grid will be divided into. This can be any positive integer. + * @param {number} [rings=16] - The number of rings. This can be any positive integer. + * @param {number} [divisions=64] - The number of line segments used for each circle. This can be any positive integer. + * @param {number|Color|string} [color1=0x444444] - The first color used for grid elements. + * @param {number|Color|string} [color2=0x888888] - The second color used for grid elements. + */ + constructor(radius = 10, sectors = 16, rings = 8, divisions = 64, color1 = 4473924, color2 = 8947848) { + color1 = new Color(color1); + color2 = new Color(color2); + const vertices = []; + const colors = []; + if (sectors > 1) { + for (let i = 0; i < sectors; i++) { + const v = i / sectors * (Math.PI * 2); + const x = Math.sin(v) * radius; + const z = Math.cos(v) * radius; + vertices.push(0, 0, 0); + vertices.push(x, 0, z); + const color = i & 1 ? color1 : color2; + colors.push(color.r, color.g, color.b); + colors.push(color.r, color.g, color.b); + } + } + for (let i = 0; i < rings; i++) { + const color = i & 1 ? color1 : color2; + const r = radius - radius / rings * i; + for (let j = 0; j < divisions; j++) { + let v = j / divisions * (Math.PI * 2); + let x = Math.sin(v) * r; + let z = Math.cos(v) * r; + vertices.push(x, 0, z); + colors.push(color.r, color.g, color.b); + v = (j + 1) / divisions * (Math.PI * 2); + x = Math.sin(v) * r; + z = Math.cos(v) * r; + vertices.push(x, 0, z); + colors.push(color.r, color.g, color.b); + } + } + const geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + const material = new LineBasicMaterial({ vertexColors: true, toneMapped: false }); + super(geometry, material); + this.type = "PolarGridHelper"; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +}; +var _v1 = new Vector3(); +var _v2 = new Vector3(); +var _v3 = new Vector3(); +var DirectionalLightHelper = class extends Object3D { + /** + * Constructs a new directional light helper. + * + * @param {DirectionalLight} light - The light to be visualized. + * @param {number} [size=1] - The dimensions of the plane. + * @param {number|Color|string} [color] - The helper's color. If not set, the helper will take + * the color of the light. + */ + constructor(light, size, color) { + super(); + this.light = light; + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + this.color = color; + this.type = "DirectionalLightHelper"; + if (size === void 0) size = 1; + let geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute([ + -size, + size, + 0, + size, + size, + 0, + size, + -size, + 0, + -size, + -size, + 0, + -size, + size, + 0 + ], 3)); + const material = new LineBasicMaterial({ fog: false, toneMapped: false }); + this.lightPlane = new Line(geometry, material); + this.add(this.lightPlane); + geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute([0, 0, 0, 0, 0, 1], 3)); + this.targetLine = new Line(geometry, material); + this.add(this.targetLine); + this.update(); + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.lightPlane.geometry.dispose(); + this.lightPlane.material.dispose(); + this.targetLine.geometry.dispose(); + this.targetLine.material.dispose(); + } + /** + * Updates the helper to match the position and direction of the + * light being visualized. + */ + update() { + this.light.updateWorldMatrix(true, false); + this.light.target.updateWorldMatrix(true, false); + _v1.setFromMatrixPosition(this.light.matrixWorld); + _v2.setFromMatrixPosition(this.light.target.matrixWorld); + _v3.subVectors(_v2, _v1); + this.lightPlane.lookAt(_v2); + if (this.color !== void 0) { + this.lightPlane.material.color.set(this.color); + this.targetLine.material.color.set(this.color); + } else { + this.lightPlane.material.color.copy(this.light.color); + this.targetLine.material.color.copy(this.light.color); + } + this.targetLine.lookAt(_v2); + this.targetLine.scale.z = _v3.length(); + } +}; +var _vector = new Vector3(); +var _camera = new Camera(); +var CameraHelper = class extends LineSegments { + /** + * Constructs a new arrow helper. + * + * @param {Camera} camera - The camera to visualize. + */ + constructor(camera) { + const geometry = new BufferGeometry(); + const material = new LineBasicMaterial({ color: 16777215, vertexColors: true, toneMapped: false }); + const vertices = []; + const colors = []; + const pointMap = {}; + addLine("n1", "n2"); + addLine("n2", "n4"); + addLine("n4", "n3"); + addLine("n3", "n1"); + addLine("f1", "f2"); + addLine("f2", "f4"); + addLine("f4", "f3"); + addLine("f3", "f1"); + addLine("n1", "f1"); + addLine("n2", "f2"); + addLine("n3", "f3"); + addLine("n4", "f4"); + addLine("p", "n1"); + addLine("p", "n2"); + addLine("p", "n3"); + addLine("p", "n4"); + addLine("u1", "u2"); + addLine("u2", "u3"); + addLine("u3", "u1"); + addLine("c", "t"); + addLine("p", "c"); + addLine("cn1", "cn2"); + addLine("cn3", "cn4"); + addLine("cf1", "cf2"); + addLine("cf3", "cf4"); + function addLine(a, b) { + addPoint(a); + addPoint(b); + } + function addPoint(id) { + vertices.push(0, 0, 0); + colors.push(0, 0, 0); + if (pointMap[id] === void 0) { + pointMap[id] = []; + } + pointMap[id].push(vertices.length / 3 - 1); + } + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + super(geometry, material); + this.type = "CameraHelper"; + this.camera = camera; + if (this.camera.updateProjectionMatrix) this.camera.updateProjectionMatrix(); + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; + this.pointMap = pointMap; + this.update(); + const colorFrustum = new Color(16755200); + const colorCone = new Color(16711680); + const colorUp = new Color(43775); + const colorTarget = new Color(16777215); + const colorCross = new Color(3355443); + this.setColors(colorFrustum, colorCone, colorUp, colorTarget, colorCross); + } + /** + * Defines the colors of the helper. + * + * @param {Color} frustum - The frustum line color. + * @param {Color} cone - The cone line color. + * @param {Color} up - The up line color. + * @param {Color} target - The target line color. + * @param {Color} cross - The cross line color. + * @return {CameraHelper} A reference to this helper. + */ + setColors(frustum, cone, up, target, cross) { + const geometry = this.geometry; + const colorAttribute = geometry.getAttribute("color"); + colorAttribute.setXYZ(0, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(1, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(2, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(3, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(4, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(5, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(6, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(7, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(8, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(9, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(10, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(11, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(12, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(13, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(14, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(15, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(16, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(17, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(18, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(19, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(20, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(21, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(22, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(23, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(24, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(25, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(26, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(27, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(28, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(29, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(30, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(31, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(32, up.r, up.g, up.b); + colorAttribute.setXYZ(33, up.r, up.g, up.b); + colorAttribute.setXYZ(34, up.r, up.g, up.b); + colorAttribute.setXYZ(35, up.r, up.g, up.b); + colorAttribute.setXYZ(36, up.r, up.g, up.b); + colorAttribute.setXYZ(37, up.r, up.g, up.b); + colorAttribute.setXYZ(38, target.r, target.g, target.b); + colorAttribute.setXYZ(39, target.r, target.g, target.b); + colorAttribute.setXYZ(40, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(41, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(42, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(43, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(44, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(45, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(46, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(47, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(48, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(49, cross.r, cross.g, cross.b); + colorAttribute.needsUpdate = true; + return this; + } + /** + * Updates the helper based on the projection matrix of the camera. + */ + update() { + const geometry = this.geometry; + const pointMap = this.pointMap; + const w = 1, h = 1; + let nearZ, farZ; + _camera.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse); + if (this.camera.reversedDepth === true) { + nearZ = 1; + farZ = 0; + } else { + if (this.camera.coordinateSystem === WebGLCoordinateSystem) { + nearZ = -1; + farZ = 1; + } else if (this.camera.coordinateSystem === WebGPUCoordinateSystem) { + nearZ = 0; + farZ = 1; + } else { + throw new Error("THREE.CameraHelper.update(): Invalid coordinate system: " + this.camera.coordinateSystem); + } + } + setPoint("c", pointMap, geometry, _camera, 0, 0, nearZ); + setPoint("t", pointMap, geometry, _camera, 0, 0, farZ); + setPoint("n1", pointMap, geometry, _camera, -w, -h, nearZ); + setPoint("n2", pointMap, geometry, _camera, w, -h, nearZ); + setPoint("n3", pointMap, geometry, _camera, -w, h, nearZ); + setPoint("n4", pointMap, geometry, _camera, w, h, nearZ); + setPoint("f1", pointMap, geometry, _camera, -w, -h, farZ); + setPoint("f2", pointMap, geometry, _camera, w, -h, farZ); + setPoint("f3", pointMap, geometry, _camera, -w, h, farZ); + setPoint("f4", pointMap, geometry, _camera, w, h, farZ); + setPoint("u1", pointMap, geometry, _camera, w * 0.7, h * 1.1, nearZ); + setPoint("u2", pointMap, geometry, _camera, -w * 0.7, h * 1.1, nearZ); + setPoint("u3", pointMap, geometry, _camera, 0, h * 2, nearZ); + setPoint("cf1", pointMap, geometry, _camera, -w, 0, farZ); + setPoint("cf2", pointMap, geometry, _camera, w, 0, farZ); + setPoint("cf3", pointMap, geometry, _camera, 0, -h, farZ); + setPoint("cf4", pointMap, geometry, _camera, 0, h, farZ); + setPoint("cn1", pointMap, geometry, _camera, -w, 0, nearZ); + setPoint("cn2", pointMap, geometry, _camera, w, 0, nearZ); + setPoint("cn3", pointMap, geometry, _camera, 0, -h, nearZ); + setPoint("cn4", pointMap, geometry, _camera, 0, h, nearZ); + geometry.getAttribute("position").needsUpdate = true; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +}; +function setPoint(point, pointMap, geometry, camera, x, y, z) { + _vector.set(x, y, z).unproject(camera); + const points = pointMap[point]; + if (points !== void 0) { + const position = geometry.getAttribute("position"); + for (let i = 0, l = points.length; i < l; i++) { + position.setXYZ(points[i], _vector.x, _vector.y, _vector.z); + } + } +} +var _box = new Box3(); +var BoxHelper = class extends LineSegments { + /** + * Constructs a new box helper. + * + * @param {Object3D} [object] - The 3D object to show the world-axis-aligned bounding box. + * @param {number|Color|string} [color=0xffff00] - The box's color. + */ + constructor(object, color = 16776960) { + const indices = new Uint16Array([0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7]); + const positions = new Float32Array(8 * 3); + const geometry = new BufferGeometry(); + geometry.setIndex(new BufferAttribute(indices, 1)); + geometry.setAttribute("position", new BufferAttribute(positions, 3)); + super(geometry, new LineBasicMaterial({ color, toneMapped: false })); + this.object = object; + this.type = "BoxHelper"; + this.matrixAutoUpdate = false; + this.update(); + } + /** + * Updates the helper's geometry to match the dimensions of the object, + * including any children. + */ + update() { + if (this.object !== void 0) { + _box.setFromObject(this.object); + } + if (_box.isEmpty()) return; + const min = _box.min; + const max = _box.max; + const position = this.geometry.attributes.position; + const array = position.array; + array[0] = max.x; + array[1] = max.y; + array[2] = max.z; + array[3] = min.x; + array[4] = max.y; + array[5] = max.z; + array[6] = min.x; + array[7] = min.y; + array[8] = max.z; + array[9] = max.x; + array[10] = min.y; + array[11] = max.z; + array[12] = max.x; + array[13] = max.y; + array[14] = min.z; + array[15] = min.x; + array[16] = max.y; + array[17] = min.z; + array[18] = min.x; + array[19] = min.y; + array[20] = min.z; + array[21] = max.x; + array[22] = min.y; + array[23] = min.z; + position.needsUpdate = true; + this.geometry.computeBoundingSphere(); + } + /** + * Updates the wireframe box for the passed object. + * + * @param {Object3D} object - The 3D object to create the helper for. + * @return {BoxHelper} A reference to this instance. + */ + setFromObject(object) { + this.object = object; + this.update(); + return this; + } + copy(source, recursive) { + super.copy(source, recursive); + this.object = source.object; + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +}; +var Box3Helper = class extends LineSegments { + /** + * Constructs a new box3 helper. + * + * @param {Box3} box - The box to visualize. + * @param {number|Color|string} [color=0xffff00] - The box's color. + */ + constructor(box, color = 16776960) { + const indices = new Uint16Array([0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7]); + const positions = [1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1]; + const geometry = new BufferGeometry(); + geometry.setIndex(new BufferAttribute(indices, 1)); + geometry.setAttribute("position", new Float32BufferAttribute(positions, 3)); + super(geometry, new LineBasicMaterial({ color, toneMapped: false })); + this.box = box; + this.type = "Box3Helper"; + this.geometry.computeBoundingSphere(); + } + updateMatrixWorld(force) { + const box = this.box; + if (box.isEmpty()) return; + box.getCenter(this.position); + box.getSize(this.scale); + this.scale.multiplyScalar(0.5); + super.updateMatrixWorld(force); + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +}; +var PlaneHelper = class extends Line { + /** + * Constructs a new plane helper. + * + * @param {Plane} plane - The plane to be visualized. + * @param {number} [size=1] - The side length of plane helper. + * @param {number|Color|string} [hex=0xffff00] - The helper's color. + */ + constructor(plane, size = 1, hex = 16776960) { + const color = hex; + const positions = [1, -1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, 1, 0, -1, -1, 0, 1, -1, 0, 1, 1, 0]; + const geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute(positions, 3)); + geometry.computeBoundingSphere(); + super(geometry, new LineBasicMaterial({ color, toneMapped: false })); + this.type = "PlaneHelper"; + this.plane = plane; + this.size = size; + const positions2 = [1, 1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, -1, 0]; + const geometry2 = new BufferGeometry(); + geometry2.setAttribute("position", new Float32BufferAttribute(positions2, 3)); + geometry2.computeBoundingSphere(); + this.add(new Mesh(geometry2, new MeshBasicMaterial({ color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false }))); + } + updateMatrixWorld(force) { + this.position.set(0, 0, 0); + this.scale.set(0.5 * this.size, 0.5 * this.size, 1); + this.lookAt(this.plane.normal); + this.translateZ(-this.plane.constant); + super.updateMatrixWorld(force); + } + /** + * Updates the helper to match the position and direction of the + * light being visualized. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + this.children[0].geometry.dispose(); + this.children[0].material.dispose(); + } +}; +var _axis = new Vector3(); +var _lineGeometry; +var _coneGeometry; +var ArrowHelper = class extends Object3D { + /** + * Constructs a new arrow helper. + * + * @param {Vector3} [dir=(0, 0, 1)] - The (normalized) direction vector. + * @param {Vector3} [origin=(0, 0, 0)] - Point at which the arrow starts. + * @param {number} [length=1] - Length of the arrow in world units. + * @param {(number|Color|string)} [color=0xffff00] - Color of the arrow. + * @param {number} [headLength=length*0.2] - The length of the head of the arrow. + * @param {number} [headWidth=headLength*0.2] - The width of the head of the arrow. + */ + constructor(dir = new Vector3(0, 0, 1), origin = new Vector3(0, 0, 0), length = 1, color = 16776960, headLength = length * 0.2, headWidth = headLength * 0.2) { + super(); + this.type = "ArrowHelper"; + if (_lineGeometry === void 0) { + _lineGeometry = new BufferGeometry(); + _lineGeometry.setAttribute("position", new Float32BufferAttribute([0, 0, 0, 0, 1, 0], 3)); + _coneGeometry = new ConeGeometry(0.5, 1, 5, 1); + _coneGeometry.translate(0, -0.5, 0); + } + this.position.copy(origin); + this.line = new Line(_lineGeometry, new LineBasicMaterial({ color, toneMapped: false })); + this.line.matrixAutoUpdate = false; + this.add(this.line); + this.cone = new Mesh(_coneGeometry, new MeshBasicMaterial({ color, toneMapped: false })); + this.cone.matrixAutoUpdate = false; + this.add(this.cone); + this.setDirection(dir); + this.setLength(length, headLength, headWidth); + } + /** + * Sets the direction of the helper. + * + * @param {Vector3} dir - The normalized direction vector. + */ + setDirection(dir) { + if (dir.y > 0.99999) { + this.quaternion.set(0, 0, 0, 1); + } else if (dir.y < -0.99999) { + this.quaternion.set(1, 0, 0, 0); + } else { + _axis.set(dir.z, 0, -dir.x).normalize(); + const radians = Math.acos(dir.y); + this.quaternion.setFromAxisAngle(_axis, radians); + } + } + /** + * Sets the length of the helper. + * + * @param {number} length - Length of the arrow in world units. + * @param {number} [headLength=length*0.2] - The length of the head of the arrow. + * @param {number} [headWidth=headLength*0.2] - The width of the head of the arrow. + */ + setLength(length, headLength = length * 0.2, headWidth = headLength * 0.2) { + this.line.scale.set(1, Math.max(1e-4, length - headLength), 1); + this.line.updateMatrix(); + this.cone.scale.set(headWidth, headLength, headWidth); + this.cone.position.y = length; + this.cone.updateMatrix(); + } + /** + * Sets the color of the helper. + * + * @param {number|Color|string} color - The color to set. + */ + setColor(color) { + this.line.material.color.set(color); + this.cone.material.color.set(color); + } + copy(source) { + super.copy(source, false); + this.line.copy(source.line); + this.cone.copy(source.cone); + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.line.geometry.dispose(); + this.line.material.dispose(); + this.cone.geometry.dispose(); + this.cone.material.dispose(); + } +}; +var AxesHelper = class extends LineSegments { + /** + * Constructs a new axes helper. + * + * @param {number} [size=1] - Size of the lines representing the axes. + */ + constructor(size = 1) { + const vertices = [ + 0, + 0, + 0, + size, + 0, + 0, + 0, + 0, + 0, + 0, + size, + 0, + 0, + 0, + 0, + 0, + 0, + size + ]; + const colors = [ + 1, + 0, + 0, + 1, + 0.6, + 0, + 0, + 1, + 0, + 0.6, + 1, + 0, + 0, + 0, + 1, + 0, + 0.6, + 1 + ]; + const geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + const material = new LineBasicMaterial({ vertexColors: true, toneMapped: false }); + super(geometry, material); + this.type = "AxesHelper"; + } + /** + * Defines the colors of the axes helper. + * + * @param {number|Color|string} xAxisColor - The color for the x axis. + * @param {number|Color|string} yAxisColor - The color for the y axis. + * @param {number|Color|string} zAxisColor - The color for the z axis. + * @return {AxesHelper} A reference to this axes helper. + */ + setColors(xAxisColor, yAxisColor, zAxisColor) { + const color = new Color(); + const array = this.geometry.attributes.color.array; + color.set(xAxisColor); + color.toArray(array, 0); + color.toArray(array, 3); + color.set(yAxisColor); + color.toArray(array, 6); + color.toArray(array, 9); + color.set(zAxisColor); + color.toArray(array, 12); + color.toArray(array, 15); + this.geometry.attributes.color.needsUpdate = true; + return this; + } + /** + * Frees the GPU-related resources allocated by this instance. Call this + * method whenever this instance is no longer used in your app. + */ + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +}; +var ShapePath = class { + /** + * Constructs a new shape path. + */ + constructor() { + this.type = "ShapePath"; + this.color = new Color(); + this.subPaths = []; + this.currentPath = null; + } + /** + * Creates a new path and moves it current point to the given one. + * + * @param {number} x - The x coordinate. + * @param {number} y - The y coordinate. + * @return {ShapePath} A reference to this shape path. + */ + moveTo(x, y) { + this.currentPath = new Path(); + this.subPaths.push(this.currentPath); + this.currentPath.moveTo(x, y); + return this; + } + /** + * Adds an instance of {@link LineCurve} to the path by connecting + * the current point with the given one. + * + * @param {number} x - The x coordinate of the end point. + * @param {number} y - The y coordinate of the end point. + * @return {ShapePath} A reference to this shape path. + */ + lineTo(x, y) { + this.currentPath.lineTo(x, y); + return this; + } + /** + * Adds an instance of {@link QuadraticBezierCurve} to the path by connecting + * the current point with the given one. + * + * @param {number} aCPx - The x coordinate of the control point. + * @param {number} aCPy - The y coordinate of the control point. + * @param {number} aX - The x coordinate of the end point. + * @param {number} aY - The y coordinate of the end point. + * @return {ShapePath} A reference to this shape path. + */ + quadraticCurveTo(aCPx, aCPy, aX, aY) { + this.currentPath.quadraticCurveTo(aCPx, aCPy, aX, aY); + return this; + } + /** + * Adds an instance of {@link CubicBezierCurve} to the path by connecting + * the current point with the given one. + * + * @param {number} aCP1x - The x coordinate of the first control point. + * @param {number} aCP1y - The y coordinate of the first control point. + * @param {number} aCP2x - The x coordinate of the second control point. + * @param {number} aCP2y - The y coordinate of the second control point. + * @param {number} aX - The x coordinate of the end point. + * @param {number} aY - The y coordinate of the end point. + * @return {ShapePath} A reference to this shape path. + */ + bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY) { + this.currentPath.bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY); + return this; + } + /** + * Adds an instance of {@link SplineCurve} to the path by connecting + * the current point with the given list of points. + * + * @param {Array} pts - An array of points in 2D space. + * @return {ShapePath} A reference to this shape path. + */ + splineThru(pts) { + this.currentPath.splineThru(pts); + return this; + } + /** + * Converts the paths into an array of shapes. + * + * @param {boolean} isCCW - By default solid shapes are defined clockwise (CW) and holes are defined counterclockwise (CCW). + * If this flag is set to `true`, then those are flipped. + * @return {Array} An array of shapes. + */ + toShapes(isCCW) { + function toShapesNoHoles(inSubpaths) { + const shapes2 = []; + for (let i = 0, l = inSubpaths.length; i < l; i++) { + const tmpPath2 = inSubpaths[i]; + const tmpShape2 = new Shape(); + tmpShape2.curves = tmpPath2.curves; + shapes2.push(tmpShape2); + } + return shapes2; + } + function isPointInsidePolygon(inPt, inPolygon) { + const polyLen = inPolygon.length; + let inside = false; + for (let p = polyLen - 1, q = 0; q < polyLen; p = q++) { + let edgeLowPt = inPolygon[p]; + let edgeHighPt = inPolygon[q]; + let edgeDx = edgeHighPt.x - edgeLowPt.x; + let edgeDy = edgeHighPt.y - edgeLowPt.y; + if (Math.abs(edgeDy) > Number.EPSILON) { + if (edgeDy < 0) { + edgeLowPt = inPolygon[q]; + edgeDx = -edgeDx; + edgeHighPt = inPolygon[p]; + edgeDy = -edgeDy; + } + if (inPt.y < edgeLowPt.y || inPt.y > edgeHighPt.y) continue; + if (inPt.y === edgeLowPt.y) { + if (inPt.x === edgeLowPt.x) return true; + } else { + const perpEdge = edgeDy * (inPt.x - edgeLowPt.x) - edgeDx * (inPt.y - edgeLowPt.y); + if (perpEdge === 0) return true; + if (perpEdge < 0) continue; + inside = !inside; + } + } else { + if (inPt.y !== edgeLowPt.y) continue; + if (edgeHighPt.x <= inPt.x && inPt.x <= edgeLowPt.x || edgeLowPt.x <= inPt.x && inPt.x <= edgeHighPt.x) return true; + } + } + return inside; + } + const isClockWise = ShapeUtils.isClockWise; + const subPaths = this.subPaths; + if (subPaths.length === 0) return []; + let solid, tmpPath, tmpShape; + const shapes = []; + if (subPaths.length === 1) { + tmpPath = subPaths[0]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push(tmpShape); + return shapes; + } + let holesFirst = !isClockWise(subPaths[0].getPoints()); + holesFirst = isCCW ? !holesFirst : holesFirst; + const betterShapeHoles = []; + const newShapes = []; + let newShapeHoles = []; + let mainIdx = 0; + let tmpPoints; + newShapes[mainIdx] = void 0; + newShapeHoles[mainIdx] = []; + for (let i = 0, l = subPaths.length; i < l; i++) { + tmpPath = subPaths[i]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise(tmpPoints); + solid = isCCW ? !solid : solid; + if (solid) { + if (!holesFirst && newShapes[mainIdx]) mainIdx++; + newShapes[mainIdx] = { s: new Shape(), p: tmpPoints }; + newShapes[mainIdx].s.curves = tmpPath.curves; + if (holesFirst) mainIdx++; + newShapeHoles[mainIdx] = []; + } else { + newShapeHoles[mainIdx].push({ h: tmpPath, p: tmpPoints[0] }); + } + } + if (!newShapes[0]) return toShapesNoHoles(subPaths); + if (newShapes.length > 1) { + let ambiguous = false; + let toChange = 0; + for (let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx++) { + betterShapeHoles[sIdx] = []; + } + for (let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx++) { + const sho = newShapeHoles[sIdx]; + for (let hIdx = 0; hIdx < sho.length; hIdx++) { + const ho = sho[hIdx]; + let hole_unassigned = true; + for (let s2Idx = 0; s2Idx < newShapes.length; s2Idx++) { + if (isPointInsidePolygon(ho.p, newShapes[s2Idx].p)) { + if (sIdx !== s2Idx) toChange++; + if (hole_unassigned) { + hole_unassigned = false; + betterShapeHoles[s2Idx].push(ho); + } else { + ambiguous = true; + } + } + } + if (hole_unassigned) { + betterShapeHoles[sIdx].push(ho); + } + } + } + if (toChange > 0 && ambiguous === false) { + newShapeHoles = betterShapeHoles; + } + } + let tmpHoles; + for (let i = 0, il = newShapes.length; i < il; i++) { + tmpShape = newShapes[i].s; + shapes.push(tmpShape); + tmpHoles = newShapeHoles[i]; + for (let j = 0, jl = tmpHoles.length; j < jl; j++) { + tmpShape.holes.push(tmpHoles[j].h); + } + } + return shapes; + } +}; +var Controls = class extends EventDispatcher { + /** + * Constructs a new controls instance. + * + * @param {Object3D} object - The object that is managed by the controls. + * @param {?HTMLElement} domElement - The HTML element used for event listeners. + */ + constructor(object, domElement = null) { + super(); + this.object = object; + this.domElement = domElement; + this.enabled = true; + this.state = -1; + this.keys = {}; + this.mouseButtons = { LEFT: null, MIDDLE: null, RIGHT: null }; + this.touches = { ONE: null, TWO: null }; + } + /** + * Connects the controls to the DOM. This method has so called "side effects" since + * it adds the module's event listeners to the DOM. + * + * @param {HTMLElement} element - The DOM element to connect to. + */ + connect(element) { + if (element === void 0) { + warn("Controls: connect() now requires an element."); + return; + } + if (this.domElement !== null) this.disconnect(); + this.domElement = element; + } + /** + * Disconnects the controls from the DOM. + */ + disconnect() { + } + /** + * Call this method if you no longer want use to the controls. It frees all internal + * resources and removes all event listeners. + */ + dispose() { + } + /** + * Controls should implement this method if they have to update their internal state + * per simulation step. + * + * @param {number} [delta] - The time delta in seconds. + */ + update() { + } +}; +function contain(texture, aspect2) { + const imageAspect = texture.image && texture.image.width ? texture.image.width / texture.image.height : 1; + if (imageAspect > aspect2) { + texture.repeat.x = 1; + texture.repeat.y = imageAspect / aspect2; + texture.offset.x = 0; + texture.offset.y = (1 - texture.repeat.y) / 2; + } else { + texture.repeat.x = aspect2 / imageAspect; + texture.repeat.y = 1; + texture.offset.x = (1 - texture.repeat.x) / 2; + texture.offset.y = 0; + } + return texture; +} +function cover(texture, aspect2) { + const imageAspect = texture.image && texture.image.width ? texture.image.width / texture.image.height : 1; + if (imageAspect > aspect2) { + texture.repeat.x = aspect2 / imageAspect; + texture.repeat.y = 1; + texture.offset.x = (1 - texture.repeat.x) / 2; + texture.offset.y = 0; + } else { + texture.repeat.x = 1; + texture.repeat.y = imageAspect / aspect2; + texture.offset.x = 0; + texture.offset.y = (1 - texture.repeat.y) / 2; + } + return texture; +} +function fill(texture) { + texture.repeat.x = 1; + texture.repeat.y = 1; + texture.offset.x = 0; + texture.offset.y = 0; + return texture; +} +function getByteLength(width, height, format, type) { + const typeByteLength = getTextureTypeByteLength(type); + switch (format) { + // https://registry.khronos.org/OpenGL-Refpages/es3.0/html/glTexImage2D.xhtml + case AlphaFormat: + return width * height; + case RedFormat: + return width * height / typeByteLength.components * typeByteLength.byteLength; + case RedIntegerFormat: + return width * height / typeByteLength.components * typeByteLength.byteLength; + case RGFormat: + return width * height * 2 / typeByteLength.components * typeByteLength.byteLength; + case RGIntegerFormat: + return width * height * 2 / typeByteLength.components * typeByteLength.byteLength; + case RGBFormat: + return width * height * 3 / typeByteLength.components * typeByteLength.byteLength; + case RGBAFormat: + return width * height * 4 / typeByteLength.components * typeByteLength.byteLength; + case RGBAIntegerFormat: + return width * height * 4 / typeByteLength.components * typeByteLength.byteLength; + // https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_s3tc_srgb/ + case RGB_S3TC_DXT1_Format: + case RGBA_S3TC_DXT1_Format: + return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 8; + case RGBA_S3TC_DXT3_Format: + case RGBA_S3TC_DXT5_Format: + return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 16; + // https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_pvrtc/ + case RGB_PVRTC_2BPPV1_Format: + case RGBA_PVRTC_2BPPV1_Format: + return Math.max(width, 16) * Math.max(height, 8) / 4; + case RGB_PVRTC_4BPPV1_Format: + case RGBA_PVRTC_4BPPV1_Format: + return Math.max(width, 8) * Math.max(height, 8) / 2; + // https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_etc/ + case RGB_ETC1_Format: + case RGB_ETC2_Format: + return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 8; + case RGBA_ETC2_EAC_Format: + return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 16; + // https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_astc/ + case RGBA_ASTC_4x4_Format: + return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 16; + case RGBA_ASTC_5x4_Format: + return Math.floor((width + 4) / 5) * Math.floor((height + 3) / 4) * 16; + case RGBA_ASTC_5x5_Format: + return Math.floor((width + 4) / 5) * Math.floor((height + 4) / 5) * 16; + case RGBA_ASTC_6x5_Format: + return Math.floor((width + 5) / 6) * Math.floor((height + 4) / 5) * 16; + case RGBA_ASTC_6x6_Format: + return Math.floor((width + 5) / 6) * Math.floor((height + 5) / 6) * 16; + case RGBA_ASTC_8x5_Format: + return Math.floor((width + 7) / 8) * Math.floor((height + 4) / 5) * 16; + case RGBA_ASTC_8x6_Format: + return Math.floor((width + 7) / 8) * Math.floor((height + 5) / 6) * 16; + case RGBA_ASTC_8x8_Format: + return Math.floor((width + 7) / 8) * Math.floor((height + 7) / 8) * 16; + case RGBA_ASTC_10x5_Format: + return Math.floor((width + 9) / 10) * Math.floor((height + 4) / 5) * 16; + case RGBA_ASTC_10x6_Format: + return Math.floor((width + 9) / 10) * Math.floor((height + 5) / 6) * 16; + case RGBA_ASTC_10x8_Format: + return Math.floor((width + 9) / 10) * Math.floor((height + 7) / 8) * 16; + case RGBA_ASTC_10x10_Format: + return Math.floor((width + 9) / 10) * Math.floor((height + 9) / 10) * 16; + case RGBA_ASTC_12x10_Format: + return Math.floor((width + 11) / 12) * Math.floor((height + 9) / 10) * 16; + case RGBA_ASTC_12x12_Format: + return Math.floor((width + 11) / 12) * Math.floor((height + 11) / 12) * 16; + // https://registry.khronos.org/webgl/extensions/EXT_texture_compression_bptc/ + case RGBA_BPTC_Format: + case RGB_BPTC_SIGNED_Format: + case RGB_BPTC_UNSIGNED_Format: + return Math.ceil(width / 4) * Math.ceil(height / 4) * 16; + // https://registry.khronos.org/webgl/extensions/EXT_texture_compression_rgtc/ + case RED_RGTC1_Format: + case SIGNED_RED_RGTC1_Format: + return Math.ceil(width / 4) * Math.ceil(height / 4) * 8; + case RED_GREEN_RGTC2_Format: + case SIGNED_RED_GREEN_RGTC2_Format: + return Math.ceil(width / 4) * Math.ceil(height / 4) * 16; + } + throw new Error( + `Unable to determine texture byte length for ${format} format.` + ); +} +function getTextureTypeByteLength(type) { + switch (type) { + case UnsignedByteType: + case ByteType: + return { byteLength: 1, components: 1 }; + case UnsignedShortType: + case ShortType: + case HalfFloatType: + return { byteLength: 2, components: 1 }; + case UnsignedShort4444Type: + case UnsignedShort5551Type: + return { byteLength: 2, components: 4 }; + case UnsignedIntType: + case IntType: + case FloatType: + return { byteLength: 4, components: 1 }; + case UnsignedInt5999Type: + case UnsignedInt101111Type: + return { byteLength: 4, components: 3 }; + } + throw new Error(`Unknown texture type ${type}.`); +} +var TextureUtils = class { + /** + * Scales the texture as large as possible within its surface without cropping + * or stretching the texture. The method preserves the original aspect ratio of + * the texture. Akin to CSS `object-fit: contain` + * + * @param {Texture} texture - The texture. + * @param {number} aspect - The texture's aspect ratio. + * @return {Texture} The updated texture. + */ + static contain(texture, aspect2) { + return contain(texture, aspect2); + } + /** + * Scales the texture to the smallest possible size to fill the surface, leaving + * no empty space. The method preserves the original aspect ratio of the texture. + * Akin to CSS `object-fit: cover`. + * + * @param {Texture} texture - The texture. + * @param {number} aspect - The texture's aspect ratio. + * @return {Texture} The updated texture. + */ + static cover(texture, aspect2) { + return cover(texture, aspect2); + } + /** + * Configures the texture to the default transformation. Akin to CSS `object-fit: fill`. + * + * @param {Texture} texture - The texture. + * @return {Texture} The updated texture. + */ + static fill(texture) { + return fill(texture); + } + /** + * Determines how many bytes must be used to represent the texture. + * + * @param {number} width - The width of the texture. + * @param {number} height - The height of the texture. + * @param {number} format - The texture's format. + * @param {number} type - The texture's type. + * @return {number} The byte length. + */ + static getByteLength(width, height, format, type) { + return getByteLength(width, height, format, type); + } +}; +if (typeof __THREE_DEVTOOLS__ !== "undefined") { + __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register", { detail: { + revision: REVISION + } })); +} +if (typeof window !== "undefined") { + if (window.__THREE__) { + warn("WARNING: Multiple instances of Three.js being imported."); + } else { + window.__THREE__ = REVISION; + } +} + +// node_modules/three/build/three.module.js +function WebGLAnimation() { + let context = null; + let isAnimating = false; + let animationLoop = null; + let requestId = null; + function onAnimationFrame(time, frame) { + animationLoop(time, frame); + requestId = context.requestAnimationFrame(onAnimationFrame); + } + return { + start: function() { + if (isAnimating === true) return; + if (animationLoop === null) return; + requestId = context.requestAnimationFrame(onAnimationFrame); + isAnimating = true; + }, + stop: function() { + context.cancelAnimationFrame(requestId); + isAnimating = false; + }, + setAnimationLoop: function(callback) { + animationLoop = callback; + }, + setContext: function(value) { + context = value; + } + }; +} +function WebGLAttributes(gl) { + const buffers = /* @__PURE__ */ new WeakMap(); + function createBuffer(attribute, bufferType) { + const array = attribute.array; + const usage = attribute.usage; + const size = array.byteLength; + const buffer = gl.createBuffer(); + gl.bindBuffer(bufferType, buffer); + gl.bufferData(bufferType, array, usage); + attribute.onUploadCallback(); + let type; + if (array instanceof Float32Array) { + type = gl.FLOAT; + } else if (typeof Float16Array !== "undefined" && array instanceof Float16Array) { + type = gl.HALF_FLOAT; + } else if (array instanceof Uint16Array) { + if (attribute.isFloat16BufferAttribute) { + type = gl.HALF_FLOAT; + } else { + type = gl.UNSIGNED_SHORT; + } + } else if (array instanceof Int16Array) { + type = gl.SHORT; + } else if (array instanceof Uint32Array) { + type = gl.UNSIGNED_INT; + } else if (array instanceof Int32Array) { + type = gl.INT; + } else if (array instanceof Int8Array) { + type = gl.BYTE; + } else if (array instanceof Uint8Array) { + type = gl.UNSIGNED_BYTE; + } else if (array instanceof Uint8ClampedArray) { + type = gl.UNSIGNED_BYTE; + } else { + throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: " + array); + } + return { + buffer, + type, + bytesPerElement: array.BYTES_PER_ELEMENT, + version: attribute.version, + size + }; + } + function updateBuffer(buffer, attribute, bufferType) { + const array = attribute.array; + const updateRanges = attribute.updateRanges; + gl.bindBuffer(bufferType, buffer); + if (updateRanges.length === 0) { + gl.bufferSubData(bufferType, 0, array); + } else { + updateRanges.sort((a, b) => a.start - b.start); + let mergeIndex = 0; + for (let i = 1; i < updateRanges.length; i++) { + const previousRange = updateRanges[mergeIndex]; + const range = updateRanges[i]; + if (range.start <= previousRange.start + previousRange.count + 1) { + previousRange.count = Math.max( + previousRange.count, + range.start + range.count - previousRange.start + ); + } else { + ++mergeIndex; + updateRanges[mergeIndex] = range; + } + } + updateRanges.length = mergeIndex + 1; + for (let i = 0, l = updateRanges.length; i < l; i++) { + const range = updateRanges[i]; + gl.bufferSubData( + bufferType, + range.start * array.BYTES_PER_ELEMENT, + array, + range.start, + range.count + ); + } + attribute.clearUpdateRanges(); + } + attribute.onUploadCallback(); + } + function get(attribute) { + if (attribute.isInterleavedBufferAttribute) attribute = attribute.data; + return buffers.get(attribute); + } + function remove(attribute) { + if (attribute.isInterleavedBufferAttribute) attribute = attribute.data; + const data = buffers.get(attribute); + if (data) { + gl.deleteBuffer(data.buffer); + buffers.delete(attribute); + } + } + function update(attribute, bufferType) { + if (attribute.isInterleavedBufferAttribute) attribute = attribute.data; + if (attribute.isGLBufferAttribute) { + const cached = buffers.get(attribute); + if (!cached || cached.version < attribute.version) { + buffers.set(attribute, { + buffer: attribute.buffer, + type: attribute.type, + bytesPerElement: attribute.elementSize, + version: attribute.version + }); + } + return; + } + const data = buffers.get(attribute); + if (data === void 0) { + buffers.set(attribute, createBuffer(attribute, bufferType)); + } else if (data.version < attribute.version) { + if (data.size !== attribute.array.byteLength) { + throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported."); + } + updateBuffer(data.buffer, attribute, bufferType); + data.version = attribute.version; + } + } + return { + get, + remove, + update + }; +} +var alphahash_fragment = "#ifdef USE_ALPHAHASH\n if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif"; +var alphahash_pars_fragment = "#ifdef USE_ALPHAHASH\n const float ALPHA_HASH_SCALE = 0.05;\n float hash2D( vec2 value ) {\n return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n }\n float hash3D( vec3 value ) {\n return hash2D( vec2( hash2D( value.xy ), value.z ) );\n }\n float getAlphaHashThreshold( vec3 position ) {\n float maxDeriv = max(\n length( dFdx( position.xyz ) ),\n length( dFdy( position.xyz ) )\n );\n float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n vec2 pixScales = vec2(\n exp2( floor( log2( pixScale ) ) ),\n exp2( ceil( log2( pixScale ) ) )\n );\n vec2 alpha = vec2(\n hash3D( floor( pixScales.x * position.xyz ) ),\n hash3D( floor( pixScales.y * position.xyz ) )\n );\n float lerpFactor = fract( log2( pixScale ) );\n float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n float a = min( lerpFactor, 1.0 - lerpFactor );\n vec3 cases = vec3(\n x * x / ( 2.0 * a * ( 1.0 - a ) ),\n ( x - 0.5 * a ) / ( 1.0 - a ),\n 1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n );\n float threshold = ( x < ( 1.0 - a ) )\n ? ( ( x < a ) ? cases.x : cases.y )\n : cases.z;\n return clamp( threshold , 1.0e-6, 1.0 );\n }\n#endif"; +var alphamap_fragment = "#ifdef USE_ALPHAMAP\n diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif"; +var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n uniform sampler2D alphaMap;\n#endif"; +var alphatest_fragment = "#ifdef USE_ALPHATEST\n #ifdef ALPHA_TO_COVERAGE\n diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n if ( diffuseColor.a == 0.0 ) discard;\n #else\n if ( diffuseColor.a < alphaTest ) discard;\n #endif\n#endif"; +var alphatest_pars_fragment = "#ifdef USE_ALPHATEST\n uniform float alphaTest;\n#endif"; +var aomap_fragment = "#ifdef USE_AOMAP\n float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n reflectedLight.indirectDiffuse *= ambientOcclusion;\n #if defined( USE_CLEARCOAT ) \n clearcoatSpecularIndirect *= ambientOcclusion;\n #endif\n #if defined( USE_SHEEN ) \n sheenSpecularIndirect *= ambientOcclusion;\n #endif\n #if defined( USE_ENVMAP ) && defined( STANDARD )\n float dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n #endif\n#endif"; +var aomap_pars_fragment = "#ifdef USE_AOMAP\n uniform sampler2D aoMap;\n uniform float aoMapIntensity;\n#endif"; +var batching_pars_vertex = "#ifdef USE_BATCHING\n #if ! defined( GL_ANGLE_multi_draw )\n #define gl_DrawID _gl_DrawID\n uniform int _gl_DrawID;\n #endif\n uniform highp sampler2D batchingTexture;\n uniform highp usampler2D batchingIdTexture;\n mat4 getBatchingMatrix( const in float i ) {\n int size = textureSize( batchingTexture, 0 ).x;\n int j = int( i ) * 4;\n int x = j % size;\n int y = j / size;\n vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n return mat4( v1, v2, v3, v4 );\n }\n float getIndirectIndex( const in int i ) {\n int size = textureSize( batchingIdTexture, 0 ).x;\n int x = i % size;\n int y = i / size;\n return float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\n }\n#endif\n#ifdef USE_BATCHING_COLOR\n uniform sampler2D batchingColorTexture;\n vec3 getBatchingColor( const in float i ) {\n int size = textureSize( batchingColorTexture, 0 ).x;\n int j = int( i );\n int x = j % size;\n int y = j / size;\n return texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;\n }\n#endif"; +var batching_vertex = "#ifdef USE_BATCHING\n mat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\n#endif"; +var begin_vertex = "vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n vPosition = vec3( position );\n#endif"; +var beginnormal_vertex = "vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n vec3 objectTangent = vec3( tangent.xyz );\n#endif"; +var bsdfs = "float G_BlinnPhong_Implicit( ) {\n return 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( specularColor, 1.0, dotVH );\n float G = G_BlinnPhong_Implicit( );\n float D = D_BlinnPhong( shininess, dotNH );\n return F * ( G * D );\n} // validated"; +var iridescence_fragment = "#ifdef USE_IRIDESCENCE\n const mat3 XYZ_TO_REC709 = mat3(\n 3.2404542, -0.9692660, 0.0556434,\n -1.5371385, 1.8760108, -0.2040259,\n -0.4985314, 0.0415560, 1.0572252\n );\n vec3 Fresnel0ToIor( vec3 fresnel0 ) {\n vec3 sqrtF0 = sqrt( fresnel0 );\n return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n }\n vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n }\n float IorToFresnel0( float transmittedIor, float incidentIor ) {\n return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n }\n vec3 evalSensitivity( float OPD, vec3 shift ) {\n float phase = 2.0 * PI * OPD * 1.0e-9;\n vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n xyz /= 1.0685e-7;\n vec3 rgb = XYZ_TO_REC709 * xyz;\n return rgb;\n }\n vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n vec3 I;\n float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n float cosTheta2Sq = 1.0 - sinTheta2Sq;\n if ( cosTheta2Sq < 0.0 ) {\n return vec3( 1.0 );\n }\n float cosTheta2 = sqrt( cosTheta2Sq );\n float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n float R12 = F_Schlick( R0, 1.0, cosTheta1 );\n float T121 = 1.0 - R12;\n float phi12 = 0.0;\n if ( iridescenceIOR < outsideIOR ) phi12 = PI;\n float phi21 = PI - phi12;\n vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) ); vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n vec3 phi23 = vec3( 0.0 );\n if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n vec3 phi = vec3( phi21 ) + phi23;\n vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n vec3 r123 = sqrt( R123 );\n vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n vec3 C0 = R12 + Rs;\n I = C0;\n vec3 Cm = Rs - T121;\n for ( int m = 1; m <= 2; ++ m ) {\n Cm *= r123;\n vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n I += Cm * Sm;\n }\n return max( I, vec3( 0.0 ) );\n }\n#endif"; +var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n uniform sampler2D bumpMap;\n uniform float bumpScale;\n vec2 dHdxy_fwd() {\n vec2 dSTdx = dFdx( vBumpMapUv );\n vec2 dSTdy = dFdy( vBumpMapUv );\n float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n return vec2( dBx, dBy );\n }\n vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\n vec3 vN = surf_norm;\n vec3 R1 = cross( vSigmaY, vN );\n vec3 R2 = cross( vN, vSigmaX );\n float fDet = dot( vSigmaX, R1 ) * faceDirection;\n vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n return normalize( abs( fDet ) * surf_norm - vGrad );\n }\n#endif"; +var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n vec4 plane;\n #ifdef ALPHA_TO_COVERAGE\n float distanceToPlane, distanceGradient;\n float clipOpacity = 1.0;\n #pragma unroll_loop_start\n for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n distanceGradient = fwidth( distanceToPlane ) / 2.0;\n clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n if ( clipOpacity == 0.0 ) discard;\n }\n #pragma unroll_loop_end\n #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n float unionClipOpacity = 1.0;\n #pragma unroll_loop_start\n for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n distanceGradient = fwidth( distanceToPlane ) / 2.0;\n unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n }\n #pragma unroll_loop_end\n clipOpacity *= 1.0 - unionClipOpacity;\n #endif\n diffuseColor.a *= clipOpacity;\n if ( diffuseColor.a == 0.0 ) discard;\n #else\n #pragma unroll_loop_start\n for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n }\n #pragma unroll_loop_end\n #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n bool clipped = true;\n #pragma unroll_loop_start\n for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n }\n #pragma unroll_loop_end\n if ( clipped ) discard;\n #endif\n #endif\n#endif"; +var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n varying vec3 vClipPosition;\n uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif"; +var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0\n varying vec3 vClipPosition;\n#endif"; +var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0\n vClipPosition = - mvPosition.xyz;\n#endif"; +var color_fragment = "#if defined( USE_COLOR_ALPHA )\n diffuseColor *= vColor;\n#elif defined( USE_COLOR )\n diffuseColor.rgb *= vColor;\n#endif"; +var color_pars_fragment = "#if defined( USE_COLOR_ALPHA )\n varying vec4 vColor;\n#elif defined( USE_COLOR )\n varying vec3 vColor;\n#endif"; +var color_pars_vertex = "#if defined( USE_COLOR_ALPHA )\n varying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n varying vec3 vColor;\n#endif"; +var color_vertex = "#if defined( USE_COLOR_ALPHA )\n vColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n vColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n vColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n vColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n vec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n vColor.xyz *= batchingColor.xyz;\n#endif"; +var common = "#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n return fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n float precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n float precisionSafeLength( vec3 v ) {\n float maxComponent = max3( abs( v ) );\n return length( v / maxComponent ) * maxComponent;\n }\n#endif\nstruct IncidentLight {\n vec3 color;\n vec3 direction;\n bool visible;\n};\nstruct ReflectedLight {\n vec3 directDiffuse;\n vec3 directSpecular;\n vec3 indirectDiffuse;\n vec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n varying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n return m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n return vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n return RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated"; +var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n #define cubeUV_minMipLevel 4.0\n #define cubeUV_minTileSize 16.0\n float getFace( vec3 direction ) {\n vec3 absDirection = abs( direction );\n float face = - 1.0;\n if ( absDirection.x > absDirection.z ) {\n if ( absDirection.x > absDirection.y )\n face = direction.x > 0.0 ? 0.0 : 3.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n } else {\n if ( absDirection.z > absDirection.y )\n face = direction.z > 0.0 ? 2.0 : 5.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n }\n return face;\n }\n vec2 getUV( vec3 direction, float face ) {\n vec2 uv;\n if ( face == 0.0 ) {\n uv = vec2( direction.z, direction.y ) / abs( direction.x );\n } else if ( face == 1.0 ) {\n uv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n } else if ( face == 2.0 ) {\n uv = vec2( - direction.x, direction.y ) / abs( direction.z );\n } else if ( face == 3.0 ) {\n uv = vec2( - direction.z, direction.y ) / abs( direction.x );\n } else if ( face == 4.0 ) {\n uv = vec2( - direction.x, direction.z ) / abs( direction.y );\n } else {\n uv = vec2( direction.x, direction.y ) / abs( direction.z );\n }\n return 0.5 * ( uv + 1.0 );\n }\n vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n float face = getFace( direction );\n float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n mipInt = max( mipInt, cubeUV_minMipLevel );\n float faceSize = exp2( mipInt );\n highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n if ( face > 2.0 ) {\n uv.y += faceSize;\n face -= 3.0;\n }\n uv.x += face * faceSize;\n uv.x += filterInt * 3.0 * cubeUV_minTileSize;\n uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n uv.x *= CUBEUV_TEXEL_WIDTH;\n uv.y *= CUBEUV_TEXEL_HEIGHT;\n #ifdef texture2DGradEXT\n return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n #else\n return texture2D( envMap, uv ).rgb;\n #endif\n }\n #define cubeUV_r0 1.0\n #define cubeUV_m0 - 2.0\n #define cubeUV_r1 0.8\n #define cubeUV_m1 - 1.0\n #define cubeUV_r4 0.4\n #define cubeUV_m4 2.0\n #define cubeUV_r5 0.305\n #define cubeUV_m5 3.0\n #define cubeUV_r6 0.21\n #define cubeUV_m6 4.0\n float roughnessToMip( float roughness ) {\n float mip = 0.0;\n if ( roughness >= cubeUV_r1 ) {\n mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n } else if ( roughness >= cubeUV_r4 ) {\n mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n } else if ( roughness >= cubeUV_r5 ) {\n mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n } else if ( roughness >= cubeUV_r6 ) {\n mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n } else {\n mip = - 2.0 * log2( 1.16 * roughness ); }\n return mip;\n }\n vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n float mipF = fract( mip );\n float mipInt = floor( mip );\n vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n if ( mipF == 0.0 ) {\n return vec4( color0, 1.0 );\n } else {\n vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n return vec4( mix( color0, color1, mipF ), 1.0 );\n }\n }\n#endif"; +var defaultnormal_vertex = "vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n vec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n mat3 bm = mat3( batchingMatrix );\n transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n transformedNormal = bm * transformedNormal;\n #ifdef USE_TANGENT\n transformedTangent = bm * transformedTangent;\n #endif\n#endif\n#ifdef USE_INSTANCING\n mat3 im = mat3( instanceMatrix );\n transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n transformedNormal = im * transformedNormal;\n #ifdef USE_TANGENT\n transformedTangent = im * transformedTangent;\n #endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n transformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n #ifdef FLIP_SIDED\n transformedTangent = - transformedTangent;\n #endif\n#endif"; +var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n uniform sampler2D displacementMap;\n uniform float displacementScale;\n uniform float displacementBias;\n#endif"; +var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif"; +var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n #ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\n emissiveColor = sRGBTransferEOTF( emissiveColor );\n #endif\n totalEmissiveRadiance *= emissiveColor.rgb;\n#endif"; +var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n uniform sampler2D emissiveMap;\n#endif"; +var colorspace_fragment = "gl_FragColor = linearToOutputTexel( gl_FragColor );"; +var colorspace_pars_fragment = "vec4 LinearTransferOETF( in vec4 value ) {\n return value;\n}\nvec4 sRGBTransferEOTF( in vec4 value ) {\n return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}"; +var envmap_fragment = "#ifdef USE_ENVMAP\n #ifdef ENV_WORLDPOS\n vec3 cameraToFrag;\n if ( isOrthographic ) {\n cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n } else {\n cameraToFrag = normalize( vWorldPosition - cameraPosition );\n }\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n #ifdef ENVMAP_MODE_REFLECTION\n vec3 reflectVec = reflect( cameraToFrag, worldNormal );\n #else\n vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n #endif\n #else\n vec3 reflectVec = vReflect;\n #endif\n #ifdef ENVMAP_TYPE_CUBE\n vec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n #else\n vec4 envColor = vec4( 0.0 );\n #endif\n #ifdef ENVMAP_BLENDING_MULTIPLY\n outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n #elif defined( ENVMAP_BLENDING_MIX )\n outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n #elif defined( ENVMAP_BLENDING_ADD )\n outgoingLight += envColor.xyz * specularStrength * reflectivity;\n #endif\n#endif"; +var envmap_common_pars_fragment = "#ifdef USE_ENVMAP\n uniform float envMapIntensity;\n uniform float flipEnvMap;\n uniform mat3 envMapRotation;\n #ifdef ENVMAP_TYPE_CUBE\n uniform samplerCube envMap;\n #else\n uniform sampler2D envMap;\n #endif\n#endif"; +var envmap_pars_fragment = "#ifdef USE_ENVMAP\n uniform float reflectivity;\n #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n #define ENV_WORLDPOS\n #endif\n #ifdef ENV_WORLDPOS\n varying vec3 vWorldPosition;\n uniform float refractionRatio;\n #else\n varying vec3 vReflect;\n #endif\n#endif"; +var envmap_pars_vertex = "#ifdef USE_ENVMAP\n #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n #define ENV_WORLDPOS\n #endif\n #ifdef ENV_WORLDPOS\n \n varying vec3 vWorldPosition;\n #else\n varying vec3 vReflect;\n uniform float refractionRatio;\n #endif\n#endif"; +var envmap_vertex = "#ifdef USE_ENVMAP\n #ifdef ENV_WORLDPOS\n vWorldPosition = worldPosition.xyz;\n #else\n vec3 cameraToVertex;\n if ( isOrthographic ) {\n cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n } else {\n cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n }\n vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n #ifdef ENVMAP_MODE_REFLECTION\n vReflect = reflect( cameraToVertex, worldNormal );\n #else\n vReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n #endif\n #endif\n#endif"; +var fog_vertex = "#ifdef USE_FOG\n vFogDepth = - mvPosition.z;\n#endif"; +var fog_pars_vertex = "#ifdef USE_FOG\n varying float vFogDepth;\n#endif"; +var fog_fragment = "#ifdef USE_FOG\n #ifdef FOG_EXP2\n float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n #else\n float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n #endif\n gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif"; +var fog_pars_fragment = "#ifdef USE_FOG\n uniform vec3 fogColor;\n varying float vFogDepth;\n #ifdef FOG_EXP2\n uniform float fogDensity;\n #else\n uniform float fogNear;\n uniform float fogFar;\n #endif\n#endif"; +var gradientmap_pars_fragment = "#ifdef USE_GRADIENTMAP\n uniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n float dotNL = dot( normal, lightDirection );\n vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n #ifdef USE_GRADIENTMAP\n return vec3( texture2D( gradientMap, coord ).r );\n #else\n vec2 fw = fwidth( coord ) * 0.5;\n return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n #endif\n}"; +var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n uniform sampler2D lightMap;\n uniform float lightMapIntensity;\n#endif"; +var lights_lambert_fragment = "LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;"; +var lights_lambert_pars_fragment = "varying vec3 vViewPosition;\nstruct LambertMaterial {\n vec3 diffuseColor;\n float specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_Lambert\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Lambert"; +var lights_pars_begin = "uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n uniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n float x = normal.x, y = normal.y, z = normal.z;\n vec3 result = shCoefficients[ 0 ] * 0.886227;\n result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n return result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n return irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n vec3 irradiance = ambientLightColor;\n return irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n if ( cutoffDistance > 0.0 ) {\n distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n }\n return distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n return smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n struct DirectionalLight {\n vec3 direction;\n vec3 color;\n };\n uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n light.color = directionalLight.color;\n light.direction = directionalLight.direction;\n light.visible = true;\n }\n#endif\n#if NUM_POINT_LIGHTS > 0\n struct PointLight {\n vec3 position;\n vec3 color;\n float distance;\n float decay;\n };\n uniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n vec3 lVector = pointLight.position - geometryPosition;\n light.direction = normalize( lVector );\n float lightDistance = length( lVector );\n light.color = pointLight.color;\n light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n light.visible = ( light.color != vec3( 0.0 ) );\n }\n#endif\n#if NUM_SPOT_LIGHTS > 0\n struct SpotLight {\n vec3 position;\n vec3 direction;\n vec3 color;\n float distance;\n float decay;\n float coneCos;\n float penumbraCos;\n };\n uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n vec3 lVector = spotLight.position - geometryPosition;\n light.direction = normalize( lVector );\n float angleCos = dot( light.direction, spotLight.direction );\n float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n if ( spotAttenuation > 0.0 ) {\n float lightDistance = length( lVector );\n light.color = spotLight.color * spotAttenuation;\n light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n light.visible = ( light.color != vec3( 0.0 ) );\n } else {\n light.color = vec3( 0.0 );\n light.visible = false;\n }\n }\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n struct RectAreaLight {\n vec3 color;\n vec3 position;\n vec3 halfWidth;\n vec3 halfHeight;\n };\n uniform sampler2D ltc_1; uniform sampler2D ltc_2;\n uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n struct HemisphereLight {\n vec3 direction;\n vec3 skyColor;\n vec3 groundColor;\n };\n uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n float dotNL = dot( normal, hemiLight.direction );\n float hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n return irradiance;\n }\n#endif"; +var envmap_physical_pars_fragment = "#ifdef USE_ENVMAP\n vec3 getIBLIrradiance( const in vec3 normal ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n vec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n return PI * envMapColor.rgb * envMapIntensity;\n #else\n return vec3( 0.0 );\n #endif\n }\n vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 reflectVec = reflect( - viewDir, normal );\n reflectVec = normalize( mix( reflectVec, normal, pow4( roughness ) ) );\n reflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n return envMapColor.rgb * envMapIntensity;\n #else\n return vec3( 0.0 );\n #endif\n }\n #ifdef USE_ANISOTROPY\n vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 bentNormal = cross( bitangent, viewDir );\n bentNormal = normalize( cross( bentNormal, bitangent ) );\n bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n return getIBLRadiance( viewDir, bentNormal, roughness );\n #else\n return vec3( 0.0 );\n #endif\n }\n #endif\n#endif"; +var lights_toon_fragment = "ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;"; +var lights_toon_pars_fragment = "varying vec3 vViewPosition;\nstruct ToonMaterial {\n vec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_Toon\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon"; +var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;"; +var lights_phong_pars_fragment = "varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n vec3 diffuseColor;\n vec3 specularColor;\n float specularShininess;\n float specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_BlinnPhong\n#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong"; +var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n material.ior = ior;\n #ifdef USE_SPECULAR\n float specularIntensityFactor = specularIntensity;\n vec3 specularColorFactor = specularColor;\n #ifdef USE_SPECULAR_COLORMAP\n specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n #endif\n #ifdef USE_SPECULAR_INTENSITYMAP\n specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n #endif\n material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n #else\n float specularIntensityFactor = 1.0;\n vec3 specularColorFactor = vec3( 1.0 );\n material.specularF90 = 1.0;\n #endif\n material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n material.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n material.clearcoat = clearcoat;\n material.clearcoatRoughness = clearcoatRoughness;\n material.clearcoatF0 = vec3( 0.04 );\n material.clearcoatF90 = 1.0;\n #ifdef USE_CLEARCOATMAP\n material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n #endif\n #ifdef USE_CLEARCOAT_ROUGHNESSMAP\n material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n #endif\n material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n material.clearcoatRoughness += geometryRoughness;\n material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n material.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n material.iridescence = iridescence;\n material.iridescenceIOR = iridescenceIOR;\n #ifdef USE_IRIDESCENCEMAP\n material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n #endif\n #ifdef USE_IRIDESCENCE_THICKNESSMAP\n material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n #else\n material.iridescenceThickness = iridescenceThicknessMaximum;\n #endif\n#endif\n#ifdef USE_SHEEN\n material.sheenColor = sheenColor;\n #ifdef USE_SHEEN_COLORMAP\n material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n #endif\n material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n #ifdef USE_SHEEN_ROUGHNESSMAP\n material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n #endif\n#endif\n#ifdef USE_ANISOTROPY\n #ifdef USE_ANISOTROPYMAP\n mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n #else\n vec2 anisotropyV = anisotropyVector;\n #endif\n material.anisotropy = length( anisotropyV );\n if( material.anisotropy == 0.0 ) {\n anisotropyV = vec2( 1.0, 0.0 );\n } else {\n anisotropyV /= material.anisotropy;\n material.anisotropy = saturate( material.anisotropy );\n }\n material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif"; +var lights_physical_pars_fragment = "uniform sampler2D dfgLUT;\nstruct PhysicalMaterial {\n vec3 diffuseColor;\n float roughness;\n vec3 specularColor;\n float specularF90;\n float dispersion;\n #ifdef USE_CLEARCOAT\n float clearcoat;\n float clearcoatRoughness;\n vec3 clearcoatF0;\n float clearcoatF90;\n #endif\n #ifdef USE_IRIDESCENCE\n float iridescence;\n float iridescenceIOR;\n float iridescenceThickness;\n vec3 iridescenceFresnel;\n vec3 iridescenceF0;\n #endif\n #ifdef USE_SHEEN\n vec3 sheenColor;\n float sheenRoughness;\n #endif\n #ifdef IOR\n float ior;\n #endif\n #ifdef USE_TRANSMISSION\n float transmission;\n float transmissionAlpha;\n float thickness;\n float attenuationDistance;\n vec3 attenuationColor;\n #endif\n #ifdef USE_ANISOTROPY\n float anisotropy;\n float alphaT;\n vec3 anisotropyT;\n vec3 anisotropyB;\n #endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n float a2 = pow2( alpha );\n float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n return 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n float a2 = pow2( alpha );\n float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n return RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n float v = 0.5 / ( gv + gl );\n return saturate(v);\n }\n float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n float a2 = alphaT * alphaB;\n highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n highp float v2 = dot( v, v );\n float w2 = a2 / v2;\n return RECIPROCAL_PI * a2 * pow2 ( w2 );\n }\n#endif\n#ifdef USE_CLEARCOAT\n vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n vec3 f0 = material.clearcoatF0;\n float f90 = material.clearcoatF90;\n float roughness = material.clearcoatRoughness;\n float alpha = pow2( roughness );\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( f0, f90, dotVH );\n float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n float D = D_GGX( alpha, dotNH );\n return F * ( V * D );\n }\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n vec3 f0 = material.specularColor;\n float f90 = material.specularF90;\n float roughness = material.roughness;\n float alpha = pow2( roughness );\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( f0, f90, dotVH );\n #ifdef USE_IRIDESCENCE\n F = mix( F, material.iridescenceFresnel, material.iridescence );\n #endif\n #ifdef USE_ANISOTROPY\n float dotTL = dot( material.anisotropyT, lightDir );\n float dotTV = dot( material.anisotropyT, viewDir );\n float dotTH = dot( material.anisotropyT, halfDir );\n float dotBL = dot( material.anisotropyB, lightDir );\n float dotBV = dot( material.anisotropyB, viewDir );\n float dotBH = dot( material.anisotropyB, halfDir );\n float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n #else\n float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n float D = D_GGX( alpha, dotNH );\n #endif\n return F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n const float LUT_SIZE = 64.0;\n const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n const float LUT_BIAS = 0.5 / LUT_SIZE;\n float dotNV = saturate( dot( N, V ) );\n vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n uv = uv * LUT_SCALE + LUT_BIAS;\n return uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n float l = length( f );\n return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n float x = dot( v1, v2 );\n float y = abs( x );\n float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n float b = 3.4175940 + ( 4.1616724 + y ) * y;\n float v = a / b;\n float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n return cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n vec3 lightNormal = cross( v1, v2 );\n if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n vec3 T1, T2;\n T1 = normalize( V - N * dot( V, N ) );\n T2 = - cross( N, T1 );\n mat3 mat = mInv * transpose( mat3( T1, T2, N ) );\n vec3 coords[ 4 ];\n coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n coords[ 0 ] = normalize( coords[ 0 ] );\n coords[ 1 ] = normalize( coords[ 1 ] );\n coords[ 2 ] = normalize( coords[ 2 ] );\n coords[ 3 ] = normalize( coords[ 3 ] );\n vec3 vectorFormFactor = vec3( 0.0 );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n float result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n return vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n float alpha = pow2( roughness );\n float invAlpha = 1.0 / alpha;\n float cos2h = dotNH * dotNH;\n float sin2h = max( 1.0 - cos2h, 0.0078125 );\n return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float D = D_Charlie( sheenRoughness, dotNH );\n float V = V_Neubelt( dotNV, dotNL );\n return sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n float dotNV = saturate( dot( normal, viewDir ) );\n float r2 = roughness * roughness;\n float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n return saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n float dotNV = saturate( dot( normal, viewDir ) );\n vec2 uv = vec2( roughness, dotNV );\n return texture2D( dfgLUT, uv ).rg;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n vec2 fab = DFGApprox( normal, viewDir, roughness );\n return specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n vec2 fab = DFGApprox( normal, viewDir, roughness );\n #ifdef USE_IRIDESCENCE\n vec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n #else\n vec3 Fr = specularColor;\n #endif\n vec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n float Ess = fab.x + fab.y;\n float Ems = 1.0 - Ess;\n vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n singleScatter += FssEss;\n multiScatter += Fms * Ems;\n}\nvec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n vec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n vec2 dfgV = DFGApprox( vec3(0.0, 0.0, 1.0), vec3(sqrt(1.0 - dotNV * dotNV), 0.0, dotNV), material.roughness );\n vec2 dfgL = DFGApprox( vec3(0.0, 0.0, 1.0), vec3(sqrt(1.0 - dotNL * dotNL), 0.0, dotNL), material.roughness );\n vec3 FssEss_V = material.specularColor * dfgV.x + material.specularF90 * dfgV.y;\n vec3 FssEss_L = material.specularColor * dfgL.x + material.specularF90 * dfgL.y;\n float Ess_V = dfgV.x + dfgV.y;\n float Ess_L = dfgL.x + dfgL.y;\n float Ems_V = 1.0 - Ess_V;\n float Ems_L = 1.0 - Ess_L;\n vec3 Favg = material.specularColor + ( 1.0 - material.specularColor ) * 0.047619;\n vec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg * Favg + EPSILON );\n float compensationFactor = Ems_V * Ems_L;\n vec3 multiScatter = Fms * compensationFactor;\n return singleScatter + multiScatter;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n vec3 normal = geometryNormal;\n vec3 viewDir = geometryViewDir;\n vec3 position = geometryPosition;\n vec3 lightPos = rectAreaLight.position;\n vec3 halfWidth = rectAreaLight.halfWidth;\n vec3 halfHeight = rectAreaLight.halfHeight;\n vec3 lightColor = rectAreaLight.color;\n float roughness = material.roughness;\n vec3 rectCoords[ 4 ];\n rectCoords[ 0 ] = lightPos + halfWidth - halfHeight; rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n vec2 uv = LTC_Uv( normal, viewDir, roughness );\n vec4 t1 = texture2D( ltc_1, uv );\n vec4 t2 = texture2D( ltc_2, uv );\n mat3 mInv = mat3(\n vec3( t1.x, 0, t1.y ),\n vec3( 0, 1, 0 ),\n vec3( t1.z, 0, t1.w )\n );\n vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n }\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n #ifdef USE_CLEARCOAT\n float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n vec3 ccIrradiance = dotNLcc * directLight.color;\n clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n #endif\n #ifdef USE_SHEEN\n sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n #endif\n reflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n #ifdef USE_CLEARCOAT\n clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n #endif\n #ifdef USE_SHEEN\n sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n #endif\n vec3 singleScattering = vec3( 0.0 );\n vec3 multiScattering = vec3( 0.0 );\n vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n #ifdef USE_IRIDESCENCE\n computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n #else\n computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n #endif\n vec3 totalScattering = singleScattering + multiScattering;\n vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n reflectedLight.indirectSpecular += radiance * singleScattering;\n reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct RE_Direct_Physical\n#define RE_Direct_RectArea RE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular RE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}"; +var lights_fragment_begin = "\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n geometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n float dotNVi = saturate( dot( normal, geometryViewDir ) );\n if ( material.iridescenceThickness == 0.0 ) {\n material.iridescence = 0.0;\n } else {\n material.iridescence = saturate( material.iridescence );\n }\n if ( material.iridescence > 0.0 ) {\n material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n }\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n PointLight pointLight;\n #if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n PointLightShadow pointLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n pointLight = pointLights[ i ];\n getPointLightInfo( pointLight, geometryPosition, directLight );\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n pointLightShadow = pointLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n SpotLight spotLight;\n vec4 spotColor;\n vec3 spotLightCoord;\n bool inSpotLightMap;\n #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n SpotLightShadow spotLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n spotLight = spotLights[ i ];\n getSpotLightInfo( spotLight, geometryPosition, directLight );\n #if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n #define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n #elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n #define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n #else\n #define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n #endif\n #if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n #endif\n #undef SPOT_LIGHT_MAP_INDEX\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n spotLightShadow = spotLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n DirectionalLight directionalLight;\n #if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n DirectionalLightShadow directionalLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n directionalLight = directionalLights[ i ];\n getDirectionalLightInfo( directionalLight, directLight );\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n directionalLightShadow = directionalLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n RectAreaLight rectAreaLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n rectAreaLight = rectAreaLights[ i ];\n RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n vec3 iblIrradiance = vec3( 0.0 );\n vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n #if defined( USE_LIGHT_PROBES )\n irradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n #endif\n #if ( NUM_HEMI_LIGHTS > 0 )\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n }\n #pragma unroll_loop_end\n #endif\n#endif\n#if defined( RE_IndirectSpecular )\n vec3 radiance = vec3( 0.0 );\n vec3 clearcoatRadiance = vec3( 0.0 );\n#endif"; +var lights_fragment_maps = "#if defined( RE_IndirectDiffuse )\n #ifdef USE_LIGHTMAP\n vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n irradiance += lightMapIrradiance;\n #endif\n #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n iblIrradiance += getIBLIrradiance( geometryNormal );\n #endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n #ifdef USE_ANISOTROPY\n radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n #else\n radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n #endif\n #ifdef USE_CLEARCOAT\n clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n #endif\n#endif"; +var lights_fragment_end = "#if defined( RE_IndirectDiffuse )\n RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif"; +var logdepthbuf_fragment = "#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n gl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif"; +var logdepthbuf_pars_fragment = "#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n uniform float logDepthBufFC;\n varying float vFragDepth;\n varying float vIsPerspective;\n#endif"; +var logdepthbuf_pars_vertex = "#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n varying float vFragDepth;\n varying float vIsPerspective;\n#endif"; +var logdepthbuf_vertex = "#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n vFragDepth = 1.0 + gl_Position.w;\n vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif"; +var map_fragment = "#ifdef USE_MAP\n vec4 sampledDiffuseColor = texture2D( map, vMapUv );\n #ifdef DECODE_VIDEO_TEXTURE\n sampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\n #endif\n diffuseColor *= sampledDiffuseColor;\n#endif"; +var map_pars_fragment = "#ifdef USE_MAP\n uniform sampler2D map;\n#endif"; +var map_particle_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n #if defined( USE_POINTS_UV )\n vec2 uv = vUv;\n #else\n vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n #endif\n#endif\n#ifdef USE_MAP\n diffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n diffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif"; +var map_particle_pars_fragment = "#if defined( USE_POINTS_UV )\n varying vec2 vUv;\n#else\n #if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n uniform mat3 uvTransform;\n #endif\n#endif\n#ifdef USE_MAP\n uniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n uniform sampler2D alphaMap;\n#endif"; +var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n metalnessFactor *= texelMetalness.b;\n#endif"; +var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n uniform sampler2D metalnessMap;\n#endif"; +var morphinstance_vertex = "#ifdef USE_INSTANCING_MORPH\n float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n morphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n }\n#endif"; +var morphcolor_vertex = "#if defined( USE_MORPHCOLORS )\n vColor *= morphTargetBaseInfluence;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n #if defined( USE_COLOR_ALPHA )\n if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n #elif defined( USE_COLOR )\n if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n #endif\n }\n#endif"; +var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n objectNormal *= morphTargetBaseInfluence;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n }\n#endif"; +var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n #ifndef USE_INSTANCING_MORPH\n uniform float morphTargetBaseInfluence;\n uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n #endif\n uniform sampler2DArray morphTargetsTexture;\n uniform ivec2 morphTargetsTextureSize;\n vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n int y = texelIndex / morphTargetsTextureSize.x;\n int x = texelIndex - y * morphTargetsTextureSize.x;\n ivec3 morphUV = ivec3( x, y, morphTargetIndex );\n return texelFetch( morphTargetsTexture, morphUV, 0 );\n }\n#endif"; +var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n transformed *= morphTargetBaseInfluence;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n }\n#endif"; +var normal_fragment_begin = "float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n vec3 fdx = dFdx( vViewPosition );\n vec3 fdy = dFdy( vViewPosition );\n vec3 normal = normalize( cross( fdx, fdy ) );\n#else\n vec3 normal = normalize( vNormal );\n #ifdef DOUBLE_SIDED\n normal *= faceDirection;\n #endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n #ifdef USE_TANGENT\n mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n #else\n mat3 tbn = getTangentFrame( - vViewPosition, normal,\n #if defined( USE_NORMALMAP )\n vNormalMapUv\n #elif defined( USE_CLEARCOAT_NORMALMAP )\n vClearcoatNormalMapUv\n #else\n vUv\n #endif\n );\n #endif\n #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n tbn[0] *= faceDirection;\n tbn[1] *= faceDirection;\n #endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n #ifdef USE_TANGENT\n mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n #else\n mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n #endif\n #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n tbn2[0] *= faceDirection;\n tbn2[1] *= faceDirection;\n #endif\n#endif\nvec3 nonPerturbedNormal = normal;"; +var normal_fragment_maps = "#ifdef USE_NORMALMAP_OBJECTSPACE\n normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n #ifdef FLIP_SIDED\n normal = - normal;\n #endif\n #ifdef DOUBLE_SIDED\n normal = normal * faceDirection;\n #endif\n normal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n mapN.xy *= normalScale;\n normal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif"; +var normal_pars_fragment = "#ifndef FLAT_SHADED\n varying vec3 vNormal;\n #ifdef USE_TANGENT\n varying vec3 vTangent;\n varying vec3 vBitangent;\n #endif\n#endif"; +var normal_pars_vertex = "#ifndef FLAT_SHADED\n varying vec3 vNormal;\n #ifdef USE_TANGENT\n varying vec3 vTangent;\n varying vec3 vBitangent;\n #endif\n#endif"; +var normal_vertex = "#ifndef FLAT_SHADED\n vNormal = normalize( transformedNormal );\n #ifdef USE_TANGENT\n vTangent = normalize( transformedTangent );\n vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n #endif\n#endif"; +var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n uniform sampler2D normalMap;\n uniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n uniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n vec3 q0 = dFdx( eye_pos.xyz );\n vec3 q1 = dFdy( eye_pos.xyz );\n vec2 st0 = dFdx( uv.st );\n vec2 st1 = dFdy( uv.st );\n vec3 N = surf_norm;\n vec3 q1perp = cross( q1, N );\n vec3 q0perp = cross( N, q0 );\n vec3 T = q1perp * st0.x + q0perp * st1.x;\n vec3 B = q1perp * st0.y + q0perp * st1.y;\n float det = max( dot( T, T ), dot( B, B ) );\n float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n return mat3( T * scale, B * scale, N );\n }\n#endif"; +var clearcoat_normal_fragment_begin = "#ifdef USE_CLEARCOAT\n vec3 clearcoatNormal = nonPerturbedNormal;\n#endif"; +var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n clearcoatMapN.xy *= clearcoatNormalScale;\n clearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif"; +var clearcoat_pars_fragment = "#ifdef USE_CLEARCOATMAP\n uniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n uniform sampler2D clearcoatNormalMap;\n uniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n uniform sampler2D clearcoatRoughnessMap;\n#endif"; +var iridescence_pars_fragment = "#ifdef USE_IRIDESCENCEMAP\n uniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n uniform sampler2D iridescenceThicknessMap;\n#endif"; +var opaque_fragment = "#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );"; +var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n return 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\nconst float Inv255 = 1. / 255.;\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\nvec4 packDepthToRGBA( const in float v ) {\n if( v <= 0.0 )\n return vec4( 0., 0., 0., 0. );\n if( v >= 1.0 )\n return vec4( 1., 1., 1., 1. );\n float vuf;\n float af = modf( v * PackFactors.a, vuf );\n float bf = modf( vuf * ShiftRight8, vuf );\n float gf = modf( vuf * ShiftRight8, vuf );\n return vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\n}\nvec3 packDepthToRGB( const in float v ) {\n if( v <= 0.0 )\n return vec3( 0., 0., 0. );\n if( v >= 1.0 )\n return vec3( 1., 1., 1. );\n float vuf;\n float bf = modf( v * PackFactors.b, vuf );\n float gf = modf( vuf * ShiftRight8, vuf );\n return vec3( vuf * Inv255, gf * PackUpscale, bf );\n}\nvec2 packDepthToRG( const in float v ) {\n if( v <= 0.0 )\n return vec2( 0., 0. );\n if( v >= 1.0 )\n return vec2( 1., 1. );\n float vuf;\n float gf = modf( v * 256., vuf );\n return vec2( vuf * Inv255, gf );\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n return dot( v, UnpackFactors4 );\n}\nfloat unpackRGBToDepth( const in vec3 v ) {\n return dot( v, UnpackFactors3 );\n}\nfloat unpackRGToDepth( const in vec2 v ) {\n return v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\n}\nvec4 pack2HalfToRGBA( const in vec2 v ) {\n vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( const in vec4 v ) {\n return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n return depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n return ( near * far ) / ( ( far - near ) * depth - far );\n}"; +var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n gl_FragColor.rgb *= gl_FragColor.a;\n#endif"; +var project_vertex = "vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n mvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n mvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;"; +var dithering_fragment = "#ifdef DITHERING\n gl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif"; +var dithering_pars_fragment = "#ifdef DITHERING\n vec3 dithering( vec3 color ) {\n float grid_position = rand( gl_FragCoord.xy );\n vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n return color + dither_shift_RGB;\n }\n#endif"; +var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n roughnessFactor *= texelRoughness.g;\n#endif"; +var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n uniform sampler2D roughnessMap;\n#endif"; +var shadowmap_pars_fragment = "#if NUM_SPOT_LIGHT_COORDS > 0\n varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n struct DirectionalLightShadow {\n float shadowIntensity;\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n struct SpotLightShadow {\n float shadowIntensity;\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n struct PointLightShadow {\n float shadowIntensity;\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n float shadowCameraNear;\n float shadowCameraFar;\n };\n uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n #endif\n float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n float depth = unpackRGBAToDepth( texture2D( depths, uv ) );\n #ifdef USE_REVERSED_DEPTH_BUFFER\n return step( depth, compare );\n #else\n return step( compare, depth );\n #endif\n }\n vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n return unpackRGBATo2Half( texture2D( shadow, uv ) );\n }\n float VSMShadow( sampler2D shadow, vec2 uv, float compare ) {\n float occlusion = 1.0;\n vec2 distribution = texture2DDistribution( shadow, uv );\n #ifdef USE_REVERSED_DEPTH_BUFFER\n float hard_shadow = step( distribution.x, compare );\n #else\n float hard_shadow = step( compare, distribution.x );\n #endif\n if ( hard_shadow != 1.0 ) {\n float distance = compare - distribution.x;\n float variance = max( 0.00000, distribution.y * distribution.y );\n float softness_probability = variance / (variance + distance * distance ); softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n }\n return occlusion;\n }\n float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n float shadow = 1.0;\n shadowCoord.xyz /= shadowCoord.w;\n shadowCoord.z += shadowBias;\n bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n bool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n if ( frustumTest ) {\n #if defined( SHADOWMAP_TYPE_PCF )\n vec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n float dx0 = - texelSize.x * shadowRadius;\n float dy0 = - texelSize.y * shadowRadius;\n float dx1 = + texelSize.x * shadowRadius;\n float dy1 = + texelSize.y * shadowRadius;\n float dx2 = dx0 / 2.0;\n float dy2 = dy0 / 2.0;\n float dx3 = dx1 / 2.0;\n float dy3 = dy1 / 2.0;\n shadow = (\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n ) * ( 1.0 / 17.0 );\n #elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n vec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n float dx = texelSize.x;\n float dy = texelSize.y;\n vec2 uv = shadowCoord.xy;\n vec2 f = fract( uv * shadowMapSize + 0.5 );\n uv -= f * texelSize;\n shadow = (\n texture2DCompare( shadowMap, uv, shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n f.x ) +\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n f.x ) +\n mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n f.y ) +\n mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n f.y ) +\n mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n f.x ),\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n f.x ),\n f.y )\n ) * ( 1.0 / 9.0 );\n #elif defined( SHADOWMAP_TYPE_VSM )\n shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n #else\n shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n #endif\n }\n return mix( 1.0, shadow, shadowIntensity );\n }\n vec2 cubeToUV( vec3 v, float texelSizeY ) {\n vec3 absV = abs( v );\n float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n absV *= scaleToCube;\n v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n vec2 planar = v.xy;\n float almostATexel = 1.5 * texelSizeY;\n float almostOne = 1.0 - almostATexel;\n if ( absV.z >= almostOne ) {\n if ( v.z > 0.0 )\n planar.x = 4.0 - v.x;\n } else if ( absV.x >= almostOne ) {\n float signX = sign( v.x );\n planar.x = v.z * signX + 2.0 * signX;\n } else if ( absV.y >= almostOne ) {\n float signY = sign( v.y );\n planar.x = v.x + 2.0 * signY + 2.0;\n planar.y = v.z * signY - 2.0;\n }\n return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n }\n float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n float shadow = 1.0;\n vec3 lightToPosition = shadowCoord.xyz;\n \n float lightToPositionLength = length( lightToPosition );\n if ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n float dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias;\n vec3 bd3D = normalize( lightToPosition );\n vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n shadow = (\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n ) * ( 1.0 / 9.0 );\n #else\n shadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n #endif\n }\n return mix( 1.0, shadow, shadowIntensity );\n }\n#endif"; +var shadowmap_pars_vertex = "#if NUM_SPOT_LIGHT_COORDS > 0\n uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n struct DirectionalLightShadow {\n float shadowIntensity;\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n struct SpotLightShadow {\n float shadowIntensity;\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n struct PointLightShadow {\n float shadowIntensity;\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n float shadowCameraNear;\n float shadowCameraFar;\n };\n uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n #endif\n#endif"; +var shadowmap_vertex = "#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n vec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n #if NUM_DIR_LIGHT_SHADOWS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n #endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n shadowWorldPosition = worldPosition;\n #if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n #endif\n vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n#endif"; +var shadowmask_pars_fragment = "float getShadowMask() {\n float shadow = 1.0;\n #ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n DirectionalLightShadow directionalLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n directionalLight = directionalLightShadows[ i ];\n shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n SpotLightShadow spotLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n spotLight = spotLightShadows[ i ];\n shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n PointLightShadow pointLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n pointLight = pointLightShadows[ i ];\n shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #endif\n return shadow;\n}"; +var skinbase_vertex = "#ifdef USE_SKINNING\n mat4 boneMatX = getBoneMatrix( skinIndex.x );\n mat4 boneMatY = getBoneMatrix( skinIndex.y );\n mat4 boneMatZ = getBoneMatrix( skinIndex.z );\n mat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; +var skinning_pars_vertex = "#ifdef USE_SKINNING\n uniform mat4 bindMatrix;\n uniform mat4 bindMatrixInverse;\n uniform highp sampler2D boneTexture;\n mat4 getBoneMatrix( const in float i ) {\n int size = textureSize( boneTexture, 0 ).x;\n int j = int( i ) * 4;\n int x = j % size;\n int y = j / size;\n vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n return mat4( v1, v2, v3, v4 );\n }\n#endif"; +var skinning_vertex = "#ifdef USE_SKINNING\n vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n vec4 skinned = vec4( 0.0 );\n skinned += boneMatX * skinVertex * skinWeight.x;\n skinned += boneMatY * skinVertex * skinWeight.y;\n skinned += boneMatZ * skinVertex * skinWeight.z;\n skinned += boneMatW * skinVertex * skinWeight.w;\n transformed = ( bindMatrixInverse * skinned ).xyz;\n#endif"; +var skinnormal_vertex = "#ifdef USE_SKINNING\n mat4 skinMatrix = mat4( 0.0 );\n skinMatrix += skinWeight.x * boneMatX;\n skinMatrix += skinWeight.y * boneMatY;\n skinMatrix += skinWeight.z * boneMatZ;\n skinMatrix += skinWeight.w * boneMatW;\n skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n #ifdef USE_TANGENT\n objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n #endif\n#endif"; +var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n specularStrength = texelSpecular.r;\n#else\n specularStrength = 1.0;\n#endif"; +var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n uniform sampler2D specularMap;\n#endif"; +var tonemapping_fragment = "#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif"; +var tonemapping_pars_fragment = "#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n return saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 CineonToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n color = max( vec3( 0.0 ), color - 0.004 );\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n vec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n return a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n const mat3 ACESInputMat = mat3(\n vec3( 0.59719, 0.07600, 0.02840 ), vec3( 0.35458, 0.90834, 0.13383 ),\n vec3( 0.04823, 0.01566, 0.83777 )\n );\n const mat3 ACESOutputMat = mat3(\n vec3( 1.60475, -0.10208, -0.00327 ), vec3( -0.53108, 1.10813, -0.07276 ),\n vec3( -0.07367, -0.00605, 1.07602 )\n );\n color *= toneMappingExposure / 0.6;\n color = ACESInputMat * color;\n color = RRTAndODTFit( color );\n color = ACESOutputMat * color;\n return saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n vec3( 1.6605, - 0.1246, - 0.0182 ),\n vec3( - 0.5876, 1.1329, - 0.1006 ),\n vec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n vec3( 0.6274, 0.0691, 0.0164 ),\n vec3( 0.3293, 0.9195, 0.0880 ),\n vec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n vec3 x2 = x * x;\n vec3 x4 = x2 * x2;\n return + 15.5 * x4 * x2\n - 40.14 * x4 * x\n + 31.96 * x4\n - 6.868 * x2 * x\n + 0.4298 * x2\n + 0.1191 * x\n - 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n const mat3 AgXInsetMatrix = mat3(\n vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n );\n const mat3 AgXOutsetMatrix = mat3(\n vec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n vec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n vec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n );\n const float AgxMinEv = - 12.47393; const float AgxMaxEv = 4.026069;\n color *= toneMappingExposure;\n color = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n color = AgXInsetMatrix * color;\n color = max( color, 1e-10 ); color = log2( color );\n color = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n color = clamp( color, 0.0, 1.0 );\n color = agxDefaultContrastApprox( color );\n color = AgXOutsetMatrix * color;\n color = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n color = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n color = clamp( color, 0.0, 1.0 );\n return color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n const float StartCompression = 0.8 - 0.04;\n const float Desaturation = 0.15;\n color *= toneMappingExposure;\n float x = min( color.r, min( color.g, color.b ) );\n float offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n color -= offset;\n float peak = max( color.r, max( color.g, color.b ) );\n if ( peak < StartCompression ) return color;\n float d = 1. - StartCompression;\n float newPeak = 1. - d * d / ( peak + d - StartCompression );\n color *= newPeak / peak;\n float g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n return mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }"; +var transmission_fragment = "#ifdef USE_TRANSMISSION\n material.transmission = transmission;\n material.transmissionAlpha = 1.0;\n material.thickness = thickness;\n material.attenuationDistance = attenuationDistance;\n material.attenuationColor = attenuationColor;\n #ifdef USE_TRANSMISSIONMAP\n material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n #endif\n #ifdef USE_THICKNESSMAP\n material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n #endif\n vec3 pos = vWorldPosition;\n vec3 v = normalize( cameraPosition - pos );\n vec3 n = inverseTransformDirection( normal, viewMatrix );\n vec4 transmitted = getIBLVolumeRefraction(\n n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n pos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n material.attenuationColor, material.attenuationDistance );\n material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif"; +var transmission_pars_fragment = "#ifdef USE_TRANSMISSION\n uniform float transmission;\n uniform float thickness;\n uniform float attenuationDistance;\n uniform vec3 attenuationColor;\n #ifdef USE_TRANSMISSIONMAP\n uniform sampler2D transmissionMap;\n #endif\n #ifdef USE_THICKNESSMAP\n uniform sampler2D thicknessMap;\n #endif\n uniform vec2 transmissionSamplerSize;\n uniform sampler2D transmissionSamplerMap;\n uniform mat4 modelMatrix;\n uniform mat4 projectionMatrix;\n varying vec3 vWorldPosition;\n float w0( float a ) {\n return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n }\n float w1( float a ) {\n return ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n }\n float w2( float a ){\n return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n }\n float w3( float a ) {\n return ( 1.0 / 6.0 ) * ( a * a * a );\n }\n float g0( float a ) {\n return w0( a ) + w1( a );\n }\n float g1( float a ) {\n return w2( a ) + w3( a );\n }\n float h0( float a ) {\n return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n }\n float h1( float a ) {\n return 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n }\n vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n uv = uv * texelSize.zw + 0.5;\n vec2 iuv = floor( uv );\n vec2 fuv = fract( uv );\n float g0x = g0( fuv.x );\n float g1x = g1( fuv.x );\n float h0x = h0( fuv.x );\n float h1x = h1( fuv.x );\n float h0y = h0( fuv.y );\n float h1y = h1( fuv.y );\n vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n }\n vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n vec2 fLodSizeInv = 1.0 / fLodSize;\n vec2 cLodSizeInv = 1.0 / cLodSize;\n vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n return mix( fSample, cSample, fract( lod ) );\n }\n vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n vec3 modelScale;\n modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n return normalize( refractionVector ) * thickness * modelScale;\n }\n float applyIorToRoughness( const in float roughness, const in float ior ) {\n return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n }\n vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n }\n vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n if ( isinf( attenuationDistance ) ) {\n return vec3( 1.0 );\n } else {\n vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance;\n }\n }\n vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n const in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n const in vec3 attenuationColor, const in float attenuationDistance ) {\n vec4 transmittedLight;\n vec3 transmittance;\n #ifdef USE_DISPERSION\n float halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n vec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n for ( int i = 0; i < 3; i ++ ) {\n vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n vec3 refractedRayExit = position + transmissionRay;\n vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n vec2 refractionCoords = ndcPos.xy / ndcPos.w;\n refractionCoords += 1.0;\n refractionCoords /= 2.0;\n vec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n transmittedLight[ i ] = transmissionSample[ i ];\n transmittedLight.a += transmissionSample.a;\n transmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n }\n transmittedLight.a /= 3.0;\n #else\n vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n vec3 refractedRayExit = position + transmissionRay;\n vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n vec2 refractionCoords = ndcPos.xy / ndcPos.w;\n refractionCoords += 1.0;\n refractionCoords /= 2.0;\n transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n #endif\n vec3 attenuatedColor = transmittance * transmittedLight.rgb;\n vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n }\n#endif"; +var uv_pars_fragment = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n varying vec2 vUv;\n#endif\n#ifdef USE_MAP\n varying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n varying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n varying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n varying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n varying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n varying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n varying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n varying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n varying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n varying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n varying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n varying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n varying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n varying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n varying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n varying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n varying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n varying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n varying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n varying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n uniform mat3 transmissionMapTransform;\n varying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n uniform mat3 thicknessMapTransform;\n varying vec2 vThicknessMapUv;\n#endif"; +var uv_pars_vertex = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n varying vec2 vUv;\n#endif\n#ifdef USE_MAP\n uniform mat3 mapTransform;\n varying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n uniform mat3 alphaMapTransform;\n varying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n uniform mat3 lightMapTransform;\n varying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n uniform mat3 aoMapTransform;\n varying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n uniform mat3 bumpMapTransform;\n varying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n uniform mat3 normalMapTransform;\n varying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n uniform mat3 displacementMapTransform;\n varying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n uniform mat3 emissiveMapTransform;\n varying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n uniform mat3 metalnessMapTransform;\n varying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n uniform mat3 roughnessMapTransform;\n varying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n uniform mat3 anisotropyMapTransform;\n varying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n uniform mat3 clearcoatMapTransform;\n varying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n uniform mat3 clearcoatNormalMapTransform;\n varying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n uniform mat3 clearcoatRoughnessMapTransform;\n varying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n uniform mat3 sheenColorMapTransform;\n varying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n uniform mat3 sheenRoughnessMapTransform;\n varying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n uniform mat3 iridescenceMapTransform;\n varying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n uniform mat3 iridescenceThicknessMapTransform;\n varying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n uniform mat3 specularMapTransform;\n varying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n uniform mat3 specularColorMapTransform;\n varying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n uniform mat3 specularIntensityMapTransform;\n varying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n uniform mat3 transmissionMapTransform;\n varying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n uniform mat3 thicknessMapTransform;\n varying vec2 vThicknessMapUv;\n#endif"; +var uv_vertex = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n vUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif"; +var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n vec4 worldPosition = vec4( transformed, 1.0 );\n #ifdef USE_BATCHING\n worldPosition = batchingMatrix * worldPosition;\n #endif\n #ifdef USE_INSTANCING\n worldPosition = instanceMatrix * worldPosition;\n #endif\n worldPosition = modelMatrix * worldPosition;\n#endif"; +var vertex$h = "varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n vUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n gl_Position = vec4( position.xy, 1.0, 1.0 );\n}"; +var fragment$h = "uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n vec4 texColor = texture2D( t2D, vUv );\n #ifdef DECODE_VIDEO_TEXTURE\n texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n #endif\n texColor.rgb *= backgroundIntensity;\n gl_FragColor = texColor;\n #include \n #include \n}"; +var vertex$g = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include \n #include \n gl_Position.z = gl_Position.w;\n}"; +var fragment$g = "#ifdef ENVMAP_TYPE_CUBE\n uniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n uniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n #ifdef ENVMAP_TYPE_CUBE\n vec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n #elif defined( ENVMAP_TYPE_CUBE_UV )\n vec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n #else\n vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n #endif\n texColor.rgb *= backgroundIntensity;\n gl_FragColor = texColor;\n #include \n #include \n}"; +var vertex$f = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include \n #include \n gl_Position.z = gl_Position.w;\n}"; +var fragment$f = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n gl_FragColor = texColor;\n gl_FragColor.a *= opacity;\n #include \n #include \n}"; +var vertex$e = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n #include \n #include \n #include \n #include \n #ifdef USE_DISPLACEMENTMAP\n #include \n #include \n #include \n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vHighPrecisionZW = gl_Position.zw;\n}"; +var fragment$e = "#if DEPTH_PACKING == 3200\n uniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n vec4 diffuseColor = vec4( 1.0 );\n #include \n #if DEPTH_PACKING == 3200\n diffuseColor.a = opacity;\n #endif\n #include \n #include \n #include \n #include \n #include \n #ifdef USE_REVERSED_DEPTH_BUFFER\n float fragCoordZ = vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ];\n #else\n float fragCoordZ = 0.5 * vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ] + 0.5;\n #endif\n #if DEPTH_PACKING == 3200\n gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n #elif DEPTH_PACKING == 3201\n gl_FragColor = packDepthToRGBA( fragCoordZ );\n #elif DEPTH_PACKING == 3202\n gl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\n #elif DEPTH_PACKING == 3203\n gl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\n #endif\n}"; +var vertex$d = "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #ifdef USE_DISPLACEMENTMAP\n #include \n #include \n #include \n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vWorldPosition = worldPosition.xyz;\n}"; +var fragment$d = "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n vec4 diffuseColor = vec4( 1.0 );\n #include \n #include \n #include \n #include \n #include \n float dist = length( vWorldPosition - referencePosition );\n dist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n dist = saturate( dist );\n gl_FragColor = packDepthToRGBA( dist );\n}"; +var vertex$c = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include \n #include \n}"; +var fragment$c = "uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n vec3 direction = normalize( vWorldDirection );\n vec2 sampleUV = equirectUv( direction );\n gl_FragColor = texture2D( tEquirect, sampleUV );\n #include \n #include \n}"; +var vertex$b = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vLineDistance = scale * lineDistance;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var fragment$b = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n if ( mod( vLineDistance, totalSize ) > dashSize ) {\n discard;\n }\n vec3 outgoingLight = vec3( 0.0 );\n #include \n #include \n #include \n outgoingLight = diffuseColor.rgb;\n #include \n #include \n #include \n #include \n #include \n}"; +var vertex$a = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n #include \n #include \n #include \n #include \n #include \n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var fragment$a = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n varying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n #ifdef USE_LIGHTMAP\n vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n #else\n reflectedLight.indirectDiffuse += vec3( 1.0 );\n #endif\n #include \n reflectedLight.indirectDiffuse *= diffuseColor.rgb;\n vec3 outgoingLight = reflectedLight.indirectDiffuse;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var vertex$9 = "#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n #include \n #include \n #include \n #include \n}"; +var fragment$9 = "#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var vertex$8 = "#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n}"; +var fragment$8 = "#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 viewDir = normalize( vViewPosition );\n vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n vec3 y = cross( viewDir, x );\n vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n #ifdef USE_MATCAP\n vec4 matcapColor = texture2D( matcap, uv );\n #else\n vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n #endif\n vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var vertex$7 = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n varying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n vViewPosition = - mvPosition.xyz;\n#endif\n}"; +var fragment$7 = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n varying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n #include \n #include \n #include \n #include \n gl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n #ifdef OPAQUE\n gl_FragColor.a = 1.0;\n #endif\n}"; +var vertex$6 = "#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n #include \n #include \n #include \n #include \n}"; +var fragment$6 = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var vertex$5 = "#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n varying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n #include \n #include \n #include \n#ifdef USE_TRANSMISSION\n vWorldPosition = worldPosition.xyz;\n#endif\n}"; +var fragment$5 = "#define STANDARD\n#ifdef PHYSICAL\n #define IOR\n #define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n uniform float ior;\n#endif\n#ifdef USE_SPECULAR\n uniform float specularIntensity;\n uniform vec3 specularColor;\n #ifdef USE_SPECULAR_COLORMAP\n uniform sampler2D specularColorMap;\n #endif\n #ifdef USE_SPECULAR_INTENSITYMAP\n uniform sampler2D specularIntensityMap;\n #endif\n#endif\n#ifdef USE_CLEARCOAT\n uniform float clearcoat;\n uniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n uniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n uniform float iridescence;\n uniform float iridescenceIOR;\n uniform float iridescenceThicknessMinimum;\n uniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n uniform vec3 sheenColor;\n uniform float sheenRoughness;\n #ifdef USE_SHEEN_COLORMAP\n uniform sampler2D sheenColorMap;\n #endif\n #ifdef USE_SHEEN_ROUGHNESSMAP\n uniform sampler2D sheenRoughnessMap;\n #endif\n#endif\n#ifdef USE_ANISOTROPY\n uniform vec2 anisotropyVector;\n #ifdef USE_ANISOTROPYMAP\n uniform sampler2D anisotropyMap;\n #endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n #include \n vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n #ifdef USE_SHEEN\n float sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n outgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n #endif\n #ifdef USE_CLEARCOAT\n float dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var vertex$4 = "#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n #include \n #include \n #include \n}"; +var fragment$4 = "#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var vertex$3 = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n varying vec2 vUv;\n uniform mat3 uvTransform;\n#endif\nvoid main() {\n #ifdef USE_POINTS_UV\n vUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n gl_PointSize = size;\n #ifdef USE_SIZEATTENUATION\n bool isPerspective = isPerspectiveMatrix( projectionMatrix );\n if ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n #endif\n #include \n #include \n #include \n #include \n}"; +var fragment$3 = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n vec3 outgoingLight = vec3( 0.0 );\n #include \n #include \n #include \n #include \n #include \n outgoingLight = diffuseColor.rgb;\n #include \n #include \n #include \n #include \n #include \n}"; +var vertex$2 = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +var fragment$2 = "uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n gl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n #include \n #include \n #include \n}"; +var vertex$1 = "uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec4 mvPosition = modelViewMatrix[ 3 ];\n vec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\n #ifndef USE_SIZEATTENUATION\n bool isPerspective = isPerspectiveMatrix( projectionMatrix );\n if ( isPerspective ) scale *= - mvPosition.z;\n #endif\n vec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n vec2 rotatedPosition;\n rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n mvPosition.xy += rotatedPosition;\n gl_Position = projectionMatrix * mvPosition;\n #include \n #include \n #include \n}"; +var fragment$1 = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n vec3 outgoingLight = vec3( 0.0 );\n #include \n #include \n #include \n #include \n #include \n outgoingLight = diffuseColor.rgb;\n #include \n #include \n #include \n #include \n}"; +var ShaderChunk = { + alphahash_fragment, + alphahash_pars_fragment, + alphamap_fragment, + alphamap_pars_fragment, + alphatest_fragment, + alphatest_pars_fragment, + aomap_fragment, + aomap_pars_fragment, + batching_pars_vertex, + batching_vertex, + begin_vertex, + beginnormal_vertex, + bsdfs, + iridescence_fragment, + bumpmap_pars_fragment, + clipping_planes_fragment, + clipping_planes_pars_fragment, + clipping_planes_pars_vertex, + clipping_planes_vertex, + color_fragment, + color_pars_fragment, + color_pars_vertex, + color_vertex, + common, + cube_uv_reflection_fragment, + defaultnormal_vertex, + displacementmap_pars_vertex, + displacementmap_vertex, + emissivemap_fragment, + emissivemap_pars_fragment, + colorspace_fragment, + colorspace_pars_fragment, + envmap_fragment, + envmap_common_pars_fragment, + envmap_pars_fragment, + envmap_pars_vertex, + envmap_physical_pars_fragment, + envmap_vertex, + fog_vertex, + fog_pars_vertex, + fog_fragment, + fog_pars_fragment, + gradientmap_pars_fragment, + lightmap_pars_fragment, + lights_lambert_fragment, + lights_lambert_pars_fragment, + lights_pars_begin, + lights_toon_fragment, + lights_toon_pars_fragment, + lights_phong_fragment, + lights_phong_pars_fragment, + lights_physical_fragment, + lights_physical_pars_fragment, + lights_fragment_begin, + lights_fragment_maps, + lights_fragment_end, + logdepthbuf_fragment, + logdepthbuf_pars_fragment, + logdepthbuf_pars_vertex, + logdepthbuf_vertex, + map_fragment, + map_pars_fragment, + map_particle_fragment, + map_particle_pars_fragment, + metalnessmap_fragment, + metalnessmap_pars_fragment, + morphinstance_vertex, + morphcolor_vertex, + morphnormal_vertex, + morphtarget_pars_vertex, + morphtarget_vertex, + normal_fragment_begin, + normal_fragment_maps, + normal_pars_fragment, + normal_pars_vertex, + normal_vertex, + normalmap_pars_fragment, + clearcoat_normal_fragment_begin, + clearcoat_normal_fragment_maps, + clearcoat_pars_fragment, + iridescence_pars_fragment, + opaque_fragment, + packing, + premultiplied_alpha_fragment, + project_vertex, + dithering_fragment, + dithering_pars_fragment, + roughnessmap_fragment, + roughnessmap_pars_fragment, + shadowmap_pars_fragment, + shadowmap_pars_vertex, + shadowmap_vertex, + shadowmask_pars_fragment, + skinbase_vertex, + skinning_pars_vertex, + skinning_vertex, + skinnormal_vertex, + specularmap_fragment, + specularmap_pars_fragment, + tonemapping_fragment, + tonemapping_pars_fragment, + transmission_fragment, + transmission_pars_fragment, + uv_pars_fragment, + uv_pars_vertex, + uv_vertex, + worldpos_vertex, + background_vert: vertex$h, + background_frag: fragment$h, + backgroundCube_vert: vertex$g, + backgroundCube_frag: fragment$g, + cube_vert: vertex$f, + cube_frag: fragment$f, + depth_vert: vertex$e, + depth_frag: fragment$e, + distanceRGBA_vert: vertex$d, + distanceRGBA_frag: fragment$d, + equirect_vert: vertex$c, + equirect_frag: fragment$c, + linedashed_vert: vertex$b, + linedashed_frag: fragment$b, + meshbasic_vert: vertex$a, + meshbasic_frag: fragment$a, + meshlambert_vert: vertex$9, + meshlambert_frag: fragment$9, + meshmatcap_vert: vertex$8, + meshmatcap_frag: fragment$8, + meshnormal_vert: vertex$7, + meshnormal_frag: fragment$7, + meshphong_vert: vertex$6, + meshphong_frag: fragment$6, + meshphysical_vert: vertex$5, + meshphysical_frag: fragment$5, + meshtoon_vert: vertex$4, + meshtoon_frag: fragment$4, + points_vert: vertex$3, + points_frag: fragment$3, + shadow_vert: vertex$2, + shadow_frag: fragment$2, + sprite_vert: vertex$1, + sprite_frag: fragment$1 +}; +var UniformsLib = { + common: { + diffuse: { value: new Color(16777215) }, + opacity: { value: 1 }, + map: { value: null }, + mapTransform: { value: new Matrix3() }, + alphaMap: { value: null }, + alphaMapTransform: { value: new Matrix3() }, + alphaTest: { value: 0 } + }, + specularmap: { + specularMap: { value: null }, + specularMapTransform: { value: new Matrix3() } + }, + envmap: { + envMap: { value: null }, + envMapRotation: { value: new Matrix3() }, + flipEnvMap: { value: -1 }, + reflectivity: { value: 1 }, + // basic, lambert, phong + ior: { value: 1.5 }, + // physical + refractionRatio: { value: 0.98 }, + // basic, lambert, phong + dfgLUT: { value: null } + // DFG LUT for physically-based rendering + }, + aomap: { + aoMap: { value: null }, + aoMapIntensity: { value: 1 }, + aoMapTransform: { value: new Matrix3() } + }, + lightmap: { + lightMap: { value: null }, + lightMapIntensity: { value: 1 }, + lightMapTransform: { value: new Matrix3() } + }, + bumpmap: { + bumpMap: { value: null }, + bumpMapTransform: { value: new Matrix3() }, + bumpScale: { value: 1 } + }, + normalmap: { + normalMap: { value: null }, + normalMapTransform: { value: new Matrix3() }, + normalScale: { value: new Vector2(1, 1) } + }, + displacementmap: { + displacementMap: { value: null }, + displacementMapTransform: { value: new Matrix3() }, + displacementScale: { value: 1 }, + displacementBias: { value: 0 } + }, + emissivemap: { + emissiveMap: { value: null }, + emissiveMapTransform: { value: new Matrix3() } + }, + metalnessmap: { + metalnessMap: { value: null }, + metalnessMapTransform: { value: new Matrix3() } + }, + roughnessmap: { + roughnessMap: { value: null }, + roughnessMapTransform: { value: new Matrix3() } + }, + gradientmap: { + gradientMap: { value: null } + }, + fog: { + fogDensity: { value: 25e-5 }, + fogNear: { value: 1 }, + fogFar: { value: 2e3 }, + fogColor: { value: new Color(16777215) } + }, + lights: { + ambientLightColor: { value: [] }, + lightProbe: { value: [] }, + directionalLights: { value: [], properties: { + direction: {}, + color: {} + } }, + directionalLightShadows: { value: [], properties: { + shadowIntensity: 1, + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {} + } }, + spotLightShadows: { value: [], properties: { + shadowIntensity: 1, + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + spotLightMap: { value: [] }, + spotShadowMap: { value: [] }, + spotLightMatrix: { value: [] }, + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {} + } }, + pointLightShadows: { value: [], properties: { + shadowIntensity: 1, + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {}, + shadowCameraNear: {}, + shadowCameraFar: {} + } }, + pointShadowMap: { value: [] }, + pointShadowMatrix: { value: [] }, + hemisphereLights: { value: [], properties: { + direction: {}, + skyColor: {}, + groundColor: {} + } }, + // TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src + rectAreaLights: { value: [], properties: { + color: {}, + position: {}, + width: {}, + height: {} + } }, + ltc_1: { value: null }, + ltc_2: { value: null } + }, + points: { + diffuse: { value: new Color(16777215) }, + opacity: { value: 1 }, + size: { value: 1 }, + scale: { value: 1 }, + map: { value: null }, + alphaMap: { value: null }, + alphaMapTransform: { value: new Matrix3() }, + alphaTest: { value: 0 }, + uvTransform: { value: new Matrix3() } + }, + sprite: { + diffuse: { value: new Color(16777215) }, + opacity: { value: 1 }, + center: { value: new Vector2(0.5, 0.5) }, + rotation: { value: 0 }, + map: { value: null }, + mapTransform: { value: new Matrix3() }, + alphaMap: { value: null }, + alphaMapTransform: { value: new Matrix3() }, + alphaTest: { value: 0 } + } +}; +var ShaderLib = { + basic: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.fog + ]), + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag + }, + lambert: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color(0) } + } + ]), + vertexShader: ShaderChunk.meshlambert_vert, + fragmentShader: ShaderChunk.meshlambert_frag + }, + phong: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color(0) }, + specular: { value: new Color(1118481) }, + shininess: { value: 30 } + } + ]), + vertexShader: ShaderChunk.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag + }, + standard: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.roughnessmap, + UniformsLib.metalnessmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color(0) }, + roughness: { value: 1 }, + metalness: { value: 0 }, + envMapIntensity: { value: 1 } + } + ]), + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + }, + toon: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.gradientmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color(0) } + } + ]), + vertexShader: ShaderChunk.meshtoon_vert, + fragmentShader: ShaderChunk.meshtoon_frag + }, + matcap: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + { + matcap: { value: null } + } + ]), + vertexShader: ShaderChunk.meshmatcap_vert, + fragmentShader: ShaderChunk.meshmatcap_frag + }, + points: { + uniforms: mergeUniforms([ + UniformsLib.points, + UniformsLib.fog + ]), + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag + }, + dashed: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.fog, + { + scale: { value: 1 }, + dashSize: { value: 1 }, + totalSize: { value: 2 } + } + ]), + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag + }, + depth: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.displacementmap + ]), + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag + }, + normal: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + { + opacity: { value: 1 } + } + ]), + vertexShader: ShaderChunk.meshnormal_vert, + fragmentShader: ShaderChunk.meshnormal_frag + }, + sprite: { + uniforms: mergeUniforms([ + UniformsLib.sprite, + UniformsLib.fog + ]), + vertexShader: ShaderChunk.sprite_vert, + fragmentShader: ShaderChunk.sprite_frag + }, + background: { + uniforms: { + uvTransform: { value: new Matrix3() }, + t2D: { value: null }, + backgroundIntensity: { value: 1 } + }, + vertexShader: ShaderChunk.background_vert, + fragmentShader: ShaderChunk.background_frag + }, + backgroundCube: { + uniforms: { + envMap: { value: null }, + flipEnvMap: { value: -1 }, + backgroundBlurriness: { value: 0 }, + backgroundIntensity: { value: 1 }, + backgroundRotation: { value: new Matrix3() } + }, + vertexShader: ShaderChunk.backgroundCube_vert, + fragmentShader: ShaderChunk.backgroundCube_frag + }, + cube: { + uniforms: { + tCube: { value: null }, + tFlip: { value: -1 }, + opacity: { value: 1 } + }, + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag + }, + equirect: { + uniforms: { + tEquirect: { value: null } + }, + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag + }, + distanceRGBA: { + uniforms: mergeUniforms([ + UniformsLib.common, + UniformsLib.displacementmap, + { + referencePosition: { value: new Vector3() }, + nearDistance: { value: 1 }, + farDistance: { value: 1e3 } + } + ]), + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag + }, + shadow: { + uniforms: mergeUniforms([ + UniformsLib.lights, + UniformsLib.fog, + { + color: { value: new Color(0) }, + opacity: { value: 1 } + } + ]), + vertexShader: ShaderChunk.shadow_vert, + fragmentShader: ShaderChunk.shadow_frag + } +}; +ShaderLib.physical = { + uniforms: mergeUniforms([ + ShaderLib.standard.uniforms, + { + clearcoat: { value: 0 }, + clearcoatMap: { value: null }, + clearcoatMapTransform: { value: new Matrix3() }, + clearcoatNormalMap: { value: null }, + clearcoatNormalMapTransform: { value: new Matrix3() }, + clearcoatNormalScale: { value: new Vector2(1, 1) }, + clearcoatRoughness: { value: 0 }, + clearcoatRoughnessMap: { value: null }, + clearcoatRoughnessMapTransform: { value: new Matrix3() }, + dispersion: { value: 0 }, + iridescence: { value: 0 }, + iridescenceMap: { value: null }, + iridescenceMapTransform: { value: new Matrix3() }, + iridescenceIOR: { value: 1.3 }, + iridescenceThicknessMinimum: { value: 100 }, + iridescenceThicknessMaximum: { value: 400 }, + iridescenceThicknessMap: { value: null }, + iridescenceThicknessMapTransform: { value: new Matrix3() }, + sheen: { value: 0 }, + sheenColor: { value: new Color(0) }, + sheenColorMap: { value: null }, + sheenColorMapTransform: { value: new Matrix3() }, + sheenRoughness: { value: 1 }, + sheenRoughnessMap: { value: null }, + sheenRoughnessMapTransform: { value: new Matrix3() }, + transmission: { value: 0 }, + transmissionMap: { value: null }, + transmissionMapTransform: { value: new Matrix3() }, + transmissionSamplerSize: { value: new Vector2() }, + transmissionSamplerMap: { value: null }, + thickness: { value: 0 }, + thicknessMap: { value: null }, + thicknessMapTransform: { value: new Matrix3() }, + attenuationDistance: { value: 0 }, + attenuationColor: { value: new Color(0) }, + specularColor: { value: new Color(1, 1, 1) }, + specularColorMap: { value: null }, + specularColorMapTransform: { value: new Matrix3() }, + specularIntensity: { value: 1 }, + specularIntensityMap: { value: null }, + specularIntensityMapTransform: { value: new Matrix3() }, + anisotropyVector: { value: new Vector2() }, + anisotropyMap: { value: null }, + anisotropyMapTransform: { value: new Matrix3() } + } + ]), + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag +}; +var _rgb = { r: 0, b: 0, g: 0 }; +var _e1$1 = new Euler(); +var _m1$12 = new Matrix4(); +function WebGLBackground(renderer, cubemaps, cubeuvmaps, state, objects, alpha, premultipliedAlpha) { + const clearColor = new Color(0); + let clearAlpha = alpha === true ? 0 : 1; + let planeMesh; + let boxMesh; + let currentBackground = null; + let currentBackgroundVersion = 0; + let currentTonemapping = null; + function getBackground(scene) { + let background = scene.isScene === true ? scene.background : null; + if (background && background.isTexture) { + const usePMREM = scene.backgroundBlurriness > 0; + background = (usePMREM ? cubeuvmaps : cubemaps).get(background); + } + return background; + } + function render(scene) { + let forceClear = false; + const background = getBackground(scene); + if (background === null) { + setClear(clearColor, clearAlpha); + } else if (background && background.isColor) { + setClear(background, 1); + forceClear = true; + } + const environmentBlendMode = renderer.xr.getEnvironmentBlendMode(); + if (environmentBlendMode === "additive") { + state.buffers.color.setClear(0, 0, 0, 1, premultipliedAlpha); + } else if (environmentBlendMode === "alpha-blend") { + state.buffers.color.setClear(0, 0, 0, 0, premultipliedAlpha); + } + if (renderer.autoClear || forceClear) { + state.buffers.depth.setTest(true); + state.buffers.depth.setMask(true); + state.buffers.color.setMask(true); + renderer.clear(renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil); + } + } + function addToRenderList(renderList, scene) { + const background = getBackground(scene); + if (background && (background.isCubeTexture || background.mapping === CubeUVReflectionMapping)) { + if (boxMesh === void 0) { + boxMesh = new Mesh( + new BoxGeometry(1, 1, 1), + new ShaderMaterial({ + name: "BackgroundCubeMaterial", + uniforms: cloneUniforms(ShaderLib.backgroundCube.uniforms), + vertexShader: ShaderLib.backgroundCube.vertexShader, + fragmentShader: ShaderLib.backgroundCube.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false, + allowOverride: false + }) + ); + boxMesh.geometry.deleteAttribute("normal"); + boxMesh.geometry.deleteAttribute("uv"); + boxMesh.onBeforeRender = function(renderer2, scene2, camera) { + this.matrixWorld.copyPosition(camera.matrixWorld); + }; + Object.defineProperty(boxMesh.material, "envMap", { + get: function() { + return this.uniforms.envMap.value; + } + }); + objects.update(boxMesh); + } + _e1$1.copy(scene.backgroundRotation); + _e1$1.x *= -1; + _e1$1.y *= -1; + _e1$1.z *= -1; + if (background.isCubeTexture && background.isRenderTargetTexture === false) { + _e1$1.y *= -1; + _e1$1.z *= -1; + } + boxMesh.material.uniforms.envMap.value = background; + boxMesh.material.uniforms.flipEnvMap.value = background.isCubeTexture && background.isRenderTargetTexture === false ? -1 : 1; + boxMesh.material.uniforms.backgroundBlurriness.value = scene.backgroundBlurriness; + boxMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity; + boxMesh.material.uniforms.backgroundRotation.value.setFromMatrix4(_m1$12.makeRotationFromEuler(_e1$1)); + boxMesh.material.toneMapped = ColorManagement.getTransfer(background.colorSpace) !== SRGBTransfer; + if (currentBackground !== background || currentBackgroundVersion !== background.version || currentTonemapping !== renderer.toneMapping) { + boxMesh.material.needsUpdate = true; + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + } + boxMesh.layers.enableAll(); + renderList.unshift(boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null); + } else if (background && background.isTexture) { + if (planeMesh === void 0) { + planeMesh = new Mesh( + new PlaneGeometry(2, 2), + new ShaderMaterial({ + name: "BackgroundMaterial", + uniforms: cloneUniforms(ShaderLib.background.uniforms), + vertexShader: ShaderLib.background.vertexShader, + fragmentShader: ShaderLib.background.fragmentShader, + side: FrontSide, + depthTest: false, + depthWrite: false, + fog: false, + allowOverride: false + }) + ); + planeMesh.geometry.deleteAttribute("normal"); + Object.defineProperty(planeMesh.material, "map", { + get: function() { + return this.uniforms.t2D.value; + } + }); + objects.update(planeMesh); + } + planeMesh.material.uniforms.t2D.value = background; + planeMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity; + planeMesh.material.toneMapped = ColorManagement.getTransfer(background.colorSpace) !== SRGBTransfer; + if (background.matrixAutoUpdate === true) { + background.updateMatrix(); + } + planeMesh.material.uniforms.uvTransform.value.copy(background.matrix); + if (currentBackground !== background || currentBackgroundVersion !== background.version || currentTonemapping !== renderer.toneMapping) { + planeMesh.material.needsUpdate = true; + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + } + planeMesh.layers.enableAll(); + renderList.unshift(planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null); + } + } + function setClear(color, alpha2) { + color.getRGB(_rgb, getUnlitUniformColorSpace(renderer)); + state.buffers.color.setClear(_rgb.r, _rgb.g, _rgb.b, alpha2, premultipliedAlpha); + } + function dispose() { + if (boxMesh !== void 0) { + boxMesh.geometry.dispose(); + boxMesh.material.dispose(); + boxMesh = void 0; + } + if (planeMesh !== void 0) { + planeMesh.geometry.dispose(); + planeMesh.material.dispose(); + planeMesh = void 0; + } + } + return { + getClearColor: function() { + return clearColor; + }, + setClearColor: function(color, alpha2 = 1) { + clearColor.set(color); + clearAlpha = alpha2; + setClear(clearColor, clearAlpha); + }, + getClearAlpha: function() { + return clearAlpha; + }, + setClearAlpha: function(alpha2) { + clearAlpha = alpha2; + setClear(clearColor, clearAlpha); + }, + render, + addToRenderList, + dispose + }; +} +function WebGLBindingStates(gl, attributes) { + const maxVertexAttributes = gl.getParameter(gl.MAX_VERTEX_ATTRIBS); + const bindingStates = {}; + const defaultState = createBindingState(null); + let currentState = defaultState; + let forceUpdate = false; + function setup(object, material, program, geometry, index) { + let updateBuffers = false; + const state = getBindingState(geometry, program, material); + if (currentState !== state) { + currentState = state; + bindVertexArrayObject(currentState.object); + } + updateBuffers = needsUpdate(object, geometry, program, index); + if (updateBuffers) saveCache(object, geometry, program, index); + if (index !== null) { + attributes.update(index, gl.ELEMENT_ARRAY_BUFFER); + } + if (updateBuffers || forceUpdate) { + forceUpdate = false; + setupVertexAttributes(object, material, program, geometry); + if (index !== null) { + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, attributes.get(index).buffer); + } + } + } + function createVertexArrayObject() { + return gl.createVertexArray(); + } + function bindVertexArrayObject(vao) { + return gl.bindVertexArray(vao); + } + function deleteVertexArrayObject(vao) { + return gl.deleteVertexArray(vao); + } + function getBindingState(geometry, program, material) { + const wireframe = material.wireframe === true; + let programMap = bindingStates[geometry.id]; + if (programMap === void 0) { + programMap = {}; + bindingStates[geometry.id] = programMap; + } + let stateMap = programMap[program.id]; + if (stateMap === void 0) { + stateMap = {}; + programMap[program.id] = stateMap; + } + let state = stateMap[wireframe]; + if (state === void 0) { + state = createBindingState(createVertexArrayObject()); + stateMap[wireframe] = state; + } + return state; + } + function createBindingState(vao) { + const newAttributes = []; + const enabledAttributes = []; + const attributeDivisors = []; + for (let i = 0; i < maxVertexAttributes; i++) { + newAttributes[i] = 0; + enabledAttributes[i] = 0; + attributeDivisors[i] = 0; + } + return { + // for backward compatibility on non-VAO support browser + geometry: null, + program: null, + wireframe: false, + newAttributes, + enabledAttributes, + attributeDivisors, + object: vao, + attributes: {}, + index: null + }; + } + function needsUpdate(object, geometry, program, index) { + const cachedAttributes = currentState.attributes; + const geometryAttributes = geometry.attributes; + let attributesNum = 0; + const programAttributes = program.getAttributes(); + for (const name in programAttributes) { + const programAttribute = programAttributes[name]; + if (programAttribute.location >= 0) { + const cachedAttribute = cachedAttributes[name]; + let geometryAttribute = geometryAttributes[name]; + if (geometryAttribute === void 0) { + if (name === "instanceMatrix" && object.instanceMatrix) geometryAttribute = object.instanceMatrix; + if (name === "instanceColor" && object.instanceColor) geometryAttribute = object.instanceColor; + } + if (cachedAttribute === void 0) return true; + if (cachedAttribute.attribute !== geometryAttribute) return true; + if (geometryAttribute && cachedAttribute.data !== geometryAttribute.data) return true; + attributesNum++; + } + } + if (currentState.attributesNum !== attributesNum) return true; + if (currentState.index !== index) return true; + return false; + } + function saveCache(object, geometry, program, index) { + const cache = {}; + const attributes2 = geometry.attributes; + let attributesNum = 0; + const programAttributes = program.getAttributes(); + for (const name in programAttributes) { + const programAttribute = programAttributes[name]; + if (programAttribute.location >= 0) { + let attribute = attributes2[name]; + if (attribute === void 0) { + if (name === "instanceMatrix" && object.instanceMatrix) attribute = object.instanceMatrix; + if (name === "instanceColor" && object.instanceColor) attribute = object.instanceColor; + } + const data = {}; + data.attribute = attribute; + if (attribute && attribute.data) { + data.data = attribute.data; + } + cache[name] = data; + attributesNum++; + } + } + currentState.attributes = cache; + currentState.attributesNum = attributesNum; + currentState.index = index; + } + function initAttributes() { + const newAttributes = currentState.newAttributes; + for (let i = 0, il = newAttributes.length; i < il; i++) { + newAttributes[i] = 0; + } + } + function enableAttribute(attribute) { + enableAttributeAndDivisor(attribute, 0); + } + function enableAttributeAndDivisor(attribute, meshPerAttribute) { + const newAttributes = currentState.newAttributes; + const enabledAttributes = currentState.enabledAttributes; + const attributeDivisors = currentState.attributeDivisors; + newAttributes[attribute] = 1; + if (enabledAttributes[attribute] === 0) { + gl.enableVertexAttribArray(attribute); + enabledAttributes[attribute] = 1; + } + if (attributeDivisors[attribute] !== meshPerAttribute) { + gl.vertexAttribDivisor(attribute, meshPerAttribute); + attributeDivisors[attribute] = meshPerAttribute; + } + } + function disableUnusedAttributes() { + const newAttributes = currentState.newAttributes; + const enabledAttributes = currentState.enabledAttributes; + for (let i = 0, il = enabledAttributes.length; i < il; i++) { + if (enabledAttributes[i] !== newAttributes[i]) { + gl.disableVertexAttribArray(i); + enabledAttributes[i] = 0; + } + } + } + function vertexAttribPointer(index, size, type, normalized, stride, offset, integer) { + if (integer === true) { + gl.vertexAttribIPointer(index, size, type, stride, offset); + } else { + gl.vertexAttribPointer(index, size, type, normalized, stride, offset); + } + } + function setupVertexAttributes(object, material, program, geometry) { + initAttributes(); + const geometryAttributes = geometry.attributes; + const programAttributes = program.getAttributes(); + const materialDefaultAttributeValues = material.defaultAttributeValues; + for (const name in programAttributes) { + const programAttribute = programAttributes[name]; + if (programAttribute.location >= 0) { + let geometryAttribute = geometryAttributes[name]; + if (geometryAttribute === void 0) { + if (name === "instanceMatrix" && object.instanceMatrix) geometryAttribute = object.instanceMatrix; + if (name === "instanceColor" && object.instanceColor) geometryAttribute = object.instanceColor; + } + if (geometryAttribute !== void 0) { + const normalized = geometryAttribute.normalized; + const size = geometryAttribute.itemSize; + const attribute = attributes.get(geometryAttribute); + if (attribute === void 0) continue; + const buffer = attribute.buffer; + const type = attribute.type; + const bytesPerElement = attribute.bytesPerElement; + const integer = type === gl.INT || type === gl.UNSIGNED_INT || geometryAttribute.gpuType === IntType; + if (geometryAttribute.isInterleavedBufferAttribute) { + const data = geometryAttribute.data; + const stride = data.stride; + const offset = geometryAttribute.offset; + if (data.isInstancedInterleavedBuffer) { + for (let i = 0; i < programAttribute.locationSize; i++) { + enableAttributeAndDivisor(programAttribute.location + i, data.meshPerAttribute); + } + if (object.isInstancedMesh !== true && geometry._maxInstanceCount === void 0) { + geometry._maxInstanceCount = data.meshPerAttribute * data.count; + } + } else { + for (let i = 0; i < programAttribute.locationSize; i++) { + enableAttribute(programAttribute.location + i); + } + } + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + for (let i = 0; i < programAttribute.locationSize; i++) { + vertexAttribPointer( + programAttribute.location + i, + size / programAttribute.locationSize, + type, + normalized, + stride * bytesPerElement, + (offset + size / programAttribute.locationSize * i) * bytesPerElement, + integer + ); + } + } else { + if (geometryAttribute.isInstancedBufferAttribute) { + for (let i = 0; i < programAttribute.locationSize; i++) { + enableAttributeAndDivisor(programAttribute.location + i, geometryAttribute.meshPerAttribute); + } + if (object.isInstancedMesh !== true && geometry._maxInstanceCount === void 0) { + geometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + } + } else { + for (let i = 0; i < programAttribute.locationSize; i++) { + enableAttribute(programAttribute.location + i); + } + } + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + for (let i = 0; i < programAttribute.locationSize; i++) { + vertexAttribPointer( + programAttribute.location + i, + size / programAttribute.locationSize, + type, + normalized, + size * bytesPerElement, + size / programAttribute.locationSize * i * bytesPerElement, + integer + ); + } + } + } else if (materialDefaultAttributeValues !== void 0) { + const value = materialDefaultAttributeValues[name]; + if (value !== void 0) { + switch (value.length) { + case 2: + gl.vertexAttrib2fv(programAttribute.location, value); + break; + case 3: + gl.vertexAttrib3fv(programAttribute.location, value); + break; + case 4: + gl.vertexAttrib4fv(programAttribute.location, value); + break; + default: + gl.vertexAttrib1fv(programAttribute.location, value); + } + } + } + } + } + disableUnusedAttributes(); + } + function dispose() { + reset(); + for (const geometryId in bindingStates) { + const programMap = bindingStates[geometryId]; + for (const programId in programMap) { + const stateMap = programMap[programId]; + for (const wireframe in stateMap) { + deleteVertexArrayObject(stateMap[wireframe].object); + delete stateMap[wireframe]; + } + delete programMap[programId]; + } + delete bindingStates[geometryId]; + } + } + function releaseStatesOfGeometry(geometry) { + if (bindingStates[geometry.id] === void 0) return; + const programMap = bindingStates[geometry.id]; + for (const programId in programMap) { + const stateMap = programMap[programId]; + for (const wireframe in stateMap) { + deleteVertexArrayObject(stateMap[wireframe].object); + delete stateMap[wireframe]; + } + delete programMap[programId]; + } + delete bindingStates[geometry.id]; + } + function releaseStatesOfProgram(program) { + for (const geometryId in bindingStates) { + const programMap = bindingStates[geometryId]; + if (programMap[program.id] === void 0) continue; + const stateMap = programMap[program.id]; + for (const wireframe in stateMap) { + deleteVertexArrayObject(stateMap[wireframe].object); + delete stateMap[wireframe]; + } + delete programMap[program.id]; + } + } + function reset() { + resetDefaultState(); + forceUpdate = true; + if (currentState === defaultState) return; + currentState = defaultState; + bindVertexArrayObject(currentState.object); + } + function resetDefaultState() { + defaultState.geometry = null; + defaultState.program = null; + defaultState.wireframe = false; + } + return { + setup, + reset, + resetDefaultState, + dispose, + releaseStatesOfGeometry, + releaseStatesOfProgram, + initAttributes, + enableAttribute, + disableUnusedAttributes + }; +} +function WebGLBufferRenderer(gl, extensions, info) { + let mode; + function setMode(value) { + mode = value; + } + function render(start, count) { + gl.drawArrays(mode, start, count); + info.update(count, mode, 1); + } + function renderInstances(start, count, primcount) { + if (primcount === 0) return; + gl.drawArraysInstanced(mode, start, count, primcount); + info.update(count, mode, primcount); + } + function renderMultiDraw(starts, counts, drawCount) { + if (drawCount === 0) return; + const extension = extensions.get("WEBGL_multi_draw"); + extension.multiDrawArraysWEBGL(mode, starts, 0, counts, 0, drawCount); + let elementCount = 0; + for (let i = 0; i < drawCount; i++) { + elementCount += counts[i]; + } + info.update(elementCount, mode, 1); + } + function renderMultiDrawInstances(starts, counts, drawCount, primcount) { + if (drawCount === 0) return; + const extension = extensions.get("WEBGL_multi_draw"); + if (extension === null) { + for (let i = 0; i < starts.length; i++) { + renderInstances(starts[i], counts[i], primcount[i]); + } + } else { + extension.multiDrawArraysInstancedWEBGL(mode, starts, 0, counts, 0, primcount, 0, drawCount); + let elementCount = 0; + for (let i = 0; i < drawCount; i++) { + elementCount += counts[i] * primcount[i]; + } + info.update(elementCount, mode, 1); + } + } + this.setMode = setMode; + this.render = render; + this.renderInstances = renderInstances; + this.renderMultiDraw = renderMultiDraw; + this.renderMultiDrawInstances = renderMultiDrawInstances; +} +function WebGLCapabilities(gl, extensions, parameters, utils) { + let maxAnisotropy; + function getMaxAnisotropy() { + if (maxAnisotropy !== void 0) return maxAnisotropy; + if (extensions.has("EXT_texture_filter_anisotropic") === true) { + const extension = extensions.get("EXT_texture_filter_anisotropic"); + maxAnisotropy = gl.getParameter(extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT); + } else { + maxAnisotropy = 0; + } + return maxAnisotropy; + } + function textureFormatReadable(textureFormat) { + if (textureFormat !== RGBAFormat && utils.convert(textureFormat) !== gl.getParameter(gl.IMPLEMENTATION_COLOR_READ_FORMAT)) { + return false; + } + return true; + } + function textureTypeReadable(textureType) { + const halfFloatSupportedByExt = textureType === HalfFloatType && (extensions.has("EXT_color_buffer_half_float") || extensions.has("EXT_color_buffer_float")); + if (textureType !== UnsignedByteType && utils.convert(textureType) !== gl.getParameter(gl.IMPLEMENTATION_COLOR_READ_TYPE) && // Edge and Chrome Mac < 52 (#9513) + textureType !== FloatType && !halfFloatSupportedByExt) { + return false; + } + return true; + } + function getMaxPrecision(precision2) { + if (precision2 === "highp") { + if (gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.HIGH_FLOAT).precision > 0 && gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_FLOAT).precision > 0) { + return "highp"; + } + precision2 = "mediump"; + } + if (precision2 === "mediump") { + if (gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.MEDIUM_FLOAT).precision > 0 && gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT).precision > 0) { + return "mediump"; + } + } + return "lowp"; + } + let precision = parameters.precision !== void 0 ? parameters.precision : "highp"; + const maxPrecision = getMaxPrecision(precision); + if (maxPrecision !== precision) { + warn("WebGLRenderer:", precision, "not supported, using", maxPrecision, "instead."); + precision = maxPrecision; + } + const logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true; + const reversedDepthBuffer = parameters.reversedDepthBuffer === true && extensions.has("EXT_clip_control"); + const maxTextures = gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS); + const maxVertexTextures = gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS); + const maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE); + const maxCubemapSize = gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE); + const maxAttributes = gl.getParameter(gl.MAX_VERTEX_ATTRIBS); + const maxVertexUniforms = gl.getParameter(gl.MAX_VERTEX_UNIFORM_VECTORS); + const maxVaryings = gl.getParameter(gl.MAX_VARYING_VECTORS); + const maxFragmentUniforms = gl.getParameter(gl.MAX_FRAGMENT_UNIFORM_VECTORS); + const vertexTextures = maxVertexTextures > 0; + const maxSamples = gl.getParameter(gl.MAX_SAMPLES); + return { + isWebGL2: true, + // keeping this for backwards compatibility + getMaxAnisotropy, + getMaxPrecision, + textureFormatReadable, + textureTypeReadable, + precision, + logarithmicDepthBuffer, + reversedDepthBuffer, + maxTextures, + maxVertexTextures, + maxTextureSize, + maxCubemapSize, + maxAttributes, + maxVertexUniforms, + maxVaryings, + maxFragmentUniforms, + vertexTextures, + maxSamples + }; +} +function WebGLClipping(properties) { + const scope = this; + let globalState = null, numGlobalPlanes = 0, localClippingEnabled = false, renderingShadows = false; + const plane = new Plane(), viewNormalMatrix = new Matrix3(), uniform = { value: null, needsUpdate: false }; + this.uniform = uniform; + this.numPlanes = 0; + this.numIntersection = 0; + this.init = function(planes, enableLocalClipping) { + const enabled = planes.length !== 0 || enableLocalClipping || // enable state of previous frame - the clipping code has to + // run another frame in order to reset the state: + numGlobalPlanes !== 0 || localClippingEnabled; + localClippingEnabled = enableLocalClipping; + numGlobalPlanes = planes.length; + return enabled; + }; + this.beginShadows = function() { + renderingShadows = true; + projectPlanes(null); + }; + this.endShadows = function() { + renderingShadows = false; + }; + this.setGlobalState = function(planes, camera) { + globalState = projectPlanes(planes, camera, 0); + }; + this.setState = function(material, camera, useCache) { + const planes = material.clippingPlanes, clipIntersection = material.clipIntersection, clipShadows = material.clipShadows; + const materialProperties = properties.get(material); + if (!localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && !clipShadows) { + if (renderingShadows) { + projectPlanes(null); + } else { + resetGlobalState(); + } + } else { + const nGlobal = renderingShadows ? 0 : numGlobalPlanes, lGlobal = nGlobal * 4; + let dstArray = materialProperties.clippingState || null; + uniform.value = dstArray; + dstArray = projectPlanes(planes, camera, lGlobal, useCache); + for (let i = 0; i !== lGlobal; ++i) { + dstArray[i] = globalState[i]; + } + materialProperties.clippingState = dstArray; + this.numIntersection = clipIntersection ? this.numPlanes : 0; + this.numPlanes += nGlobal; + } + }; + function resetGlobalState() { + if (uniform.value !== globalState) { + uniform.value = globalState; + uniform.needsUpdate = numGlobalPlanes > 0; + } + scope.numPlanes = numGlobalPlanes; + scope.numIntersection = 0; + } + function projectPlanes(planes, camera, dstOffset, skipTransform) { + const nPlanes = planes !== null ? planes.length : 0; + let dstArray = null; + if (nPlanes !== 0) { + dstArray = uniform.value; + if (skipTransform !== true || dstArray === null) { + const flatSize = dstOffset + nPlanes * 4, viewMatrix = camera.matrixWorldInverse; + viewNormalMatrix.getNormalMatrix(viewMatrix); + if (dstArray === null || dstArray.length < flatSize) { + dstArray = new Float32Array(flatSize); + } + for (let i = 0, i4 = dstOffset; i !== nPlanes; ++i, i4 += 4) { + plane.copy(planes[i]).applyMatrix4(viewMatrix, viewNormalMatrix); + plane.normal.toArray(dstArray, i4); + dstArray[i4 + 3] = plane.constant; + } + } + uniform.value = dstArray; + uniform.needsUpdate = true; + } + scope.numPlanes = nPlanes; + scope.numIntersection = 0; + return dstArray; + } +} +function WebGLCubeMaps(renderer) { + let cubemaps = /* @__PURE__ */ new WeakMap(); + function mapTextureMapping(texture, mapping) { + if (mapping === EquirectangularReflectionMapping) { + texture.mapping = CubeReflectionMapping; + } else if (mapping === EquirectangularRefractionMapping) { + texture.mapping = CubeRefractionMapping; + } + return texture; + } + function get(texture) { + if (texture && texture.isTexture) { + const mapping = texture.mapping; + if (mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping) { + if (cubemaps.has(texture)) { + const cubemap = cubemaps.get(texture).texture; + return mapTextureMapping(cubemap, texture.mapping); + } else { + const image = texture.image; + if (image && image.height > 0) { + const renderTarget = new WebGLCubeRenderTarget(image.height); + renderTarget.fromEquirectangularTexture(renderer, texture); + cubemaps.set(texture, renderTarget); + texture.addEventListener("dispose", onTextureDispose); + return mapTextureMapping(renderTarget.texture, texture.mapping); + } else { + return null; + } + } + } + } + return texture; + } + function onTextureDispose(event) { + const texture = event.target; + texture.removeEventListener("dispose", onTextureDispose); + const cubemap = cubemaps.get(texture); + if (cubemap !== void 0) { + cubemaps.delete(texture); + cubemap.dispose(); + } + } + function dispose() { + cubemaps = /* @__PURE__ */ new WeakMap(); + } + return { + get, + dispose + }; +} +var LOD_MIN = 4; +var EXTRA_LOD_SIGMA = [0.125, 0.215, 0.35, 0.446, 0.526, 0.582]; +var MAX_SAMPLES = 20; +var GGX_SAMPLES = 256; +var _flatCamera = new OrthographicCamera(); +var _clearColor = new Color(); +var _oldTarget = null; +var _oldActiveCubeFace = 0; +var _oldActiveMipmapLevel = 0; +var _oldXrEnabled = false; +var _origin = new Vector3(); +var PMREMGenerator = class { + /** + * Constructs a new PMREM generator. + * + * @param {WebGLRenderer} renderer - The renderer. + */ + constructor(renderer) { + this._renderer = renderer; + this._pingPongRenderTarget = null; + this._lodMax = 0; + this._cubeSize = 0; + this._sizeLods = []; + this._sigmas = []; + this._lodMeshes = []; + this._backgroundBox = null; + this._cubemapMaterial = null; + this._equirectMaterial = null; + this._blurMaterial = null; + this._ggxMaterial = null; + } + /** + * Generates a PMREM from a supplied Scene, which can be faster than using an + * image if networking bandwidth is low. Optional sigma specifies a blur radius + * in radians to be applied to the scene before PMREM generation. Optional near + * and far planes ensure the scene is rendered in its entirety. + * + * @param {Scene} scene - The scene to be captured. + * @param {number} [sigma=0] - The blur radius in radians. + * @param {number} [near=0.1] - The near plane distance. + * @param {number} [far=100] - The far plane distance. + * @param {Object} [options={}] - The configuration options. + * @param {number} [options.size=256] - The texture size of the PMREM. + * @param {Vector3} [options.renderTarget=origin] - The position of the internal cube camera that renders the scene. + * @return {WebGLRenderTarget} The resulting PMREM. + */ + fromScene(scene, sigma = 0, near = 0.1, far = 100, options = {}) { + const { + size = 256, + position = _origin + } = options; + _oldTarget = this._renderer.getRenderTarget(); + _oldActiveCubeFace = this._renderer.getActiveCubeFace(); + _oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel(); + _oldXrEnabled = this._renderer.xr.enabled; + this._renderer.xr.enabled = false; + this._setSize(size); + const cubeUVRenderTarget = this._allocateTargets(); + cubeUVRenderTarget.depthBuffer = true; + this._sceneToCubeUV(scene, near, far, cubeUVRenderTarget, position); + if (sigma > 0) { + this._blur(cubeUVRenderTarget, 0, 0, sigma); + } + this._applyPMREM(cubeUVRenderTarget); + this._cleanup(cubeUVRenderTarget); + return cubeUVRenderTarget; + } + /** + * Generates a PMREM from an equirectangular texture, which can be either LDR + * or HDR. The ideal input image size is 1k (1024 x 512), + * as this matches best with the 256 x 256 cubemap output. + * + * @param {Texture} equirectangular - The equirectangular texture to be converted. + * @param {?WebGLRenderTarget} [renderTarget=null] - The render target to use. + * @return {WebGLRenderTarget} The resulting PMREM. + */ + fromEquirectangular(equirectangular, renderTarget = null) { + return this._fromTexture(equirectangular, renderTarget); + } + /** + * Generates a PMREM from an cubemap texture, which can be either LDR + * or HDR. The ideal input cube size is 256 x 256, + * as this matches best with the 256 x 256 cubemap output. + * + * @param {Texture} cubemap - The cubemap texture to be converted. + * @param {?WebGLRenderTarget} [renderTarget=null] - The render target to use. + * @return {WebGLRenderTarget} The resulting PMREM. + */ + fromCubemap(cubemap, renderTarget = null) { + return this._fromTexture(cubemap, renderTarget); + } + /** + * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileCubemapShader() { + if (this._cubemapMaterial === null) { + this._cubemapMaterial = _getCubemapMaterial(); + this._compileMaterial(this._cubemapMaterial); + } + } + /** + * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileEquirectangularShader() { + if (this._equirectMaterial === null) { + this._equirectMaterial = _getEquirectMaterial(); + this._compileMaterial(this._equirectMaterial); + } + } + /** + * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class, + * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on + * one of them will cause any others to also become unusable. + */ + dispose() { + this._dispose(); + if (this._cubemapMaterial !== null) this._cubemapMaterial.dispose(); + if (this._equirectMaterial !== null) this._equirectMaterial.dispose(); + if (this._backgroundBox !== null) { + this._backgroundBox.geometry.dispose(); + this._backgroundBox.material.dispose(); + } + } + // private interface + _setSize(cubeSize) { + this._lodMax = Math.floor(Math.log2(cubeSize)); + this._cubeSize = Math.pow(2, this._lodMax); + } + _dispose() { + if (this._blurMaterial !== null) this._blurMaterial.dispose(); + if (this._ggxMaterial !== null) this._ggxMaterial.dispose(); + if (this._pingPongRenderTarget !== null) this._pingPongRenderTarget.dispose(); + for (let i = 0; i < this._lodMeshes.length; i++) { + this._lodMeshes[i].geometry.dispose(); + } + } + _cleanup(outputTarget) { + this._renderer.setRenderTarget(_oldTarget, _oldActiveCubeFace, _oldActiveMipmapLevel); + this._renderer.xr.enabled = _oldXrEnabled; + outputTarget.scissorTest = false; + _setViewport(outputTarget, 0, 0, outputTarget.width, outputTarget.height); + } + _fromTexture(texture, renderTarget) { + if (texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping) { + this._setSize(texture.image.length === 0 ? 16 : texture.image[0].width || texture.image[0].image.width); + } else { + this._setSize(texture.image.width / 4); + } + _oldTarget = this._renderer.getRenderTarget(); + _oldActiveCubeFace = this._renderer.getActiveCubeFace(); + _oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel(); + _oldXrEnabled = this._renderer.xr.enabled; + this._renderer.xr.enabled = false; + const cubeUVRenderTarget = renderTarget || this._allocateTargets(); + this._textureToCubeUV(texture, cubeUVRenderTarget); + this._applyPMREM(cubeUVRenderTarget); + this._cleanup(cubeUVRenderTarget); + return cubeUVRenderTarget; + } + _allocateTargets() { + const width = 3 * Math.max(this._cubeSize, 16 * 7); + const height = 4 * this._cubeSize; + const params = { + magFilter: LinearFilter, + minFilter: LinearFilter, + generateMipmaps: false, + type: HalfFloatType, + format: RGBAFormat, + colorSpace: LinearSRGBColorSpace, + depthBuffer: false + }; + const cubeUVRenderTarget = _createRenderTarget(width, height, params); + if (this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width || this._pingPongRenderTarget.height !== height) { + if (this._pingPongRenderTarget !== null) { + this._dispose(); + } + this._pingPongRenderTarget = _createRenderTarget(width, height, params); + const { _lodMax } = this; + ({ lodMeshes: this._lodMeshes, sizeLods: this._sizeLods, sigmas: this._sigmas } = _createPlanes(_lodMax)); + this._blurMaterial = _getBlurShader(_lodMax, width, height); + this._ggxMaterial = _getGGXShader(_lodMax, width, height); + } + return cubeUVRenderTarget; + } + _compileMaterial(material) { + const mesh = new Mesh(new BufferGeometry(), material); + this._renderer.compile(mesh, _flatCamera); + } + _sceneToCubeUV(scene, near, far, cubeUVRenderTarget, position) { + const fov2 = 90; + const aspect2 = 1; + const cubeCamera = new PerspectiveCamera(fov2, aspect2, near, far); + const upSign = [1, -1, 1, 1, 1, 1]; + const forwardSign = [1, 1, 1, -1, -1, -1]; + const renderer = this._renderer; + const originalAutoClear = renderer.autoClear; + const toneMapping = renderer.toneMapping; + renderer.getClearColor(_clearColor); + renderer.toneMapping = NoToneMapping; + renderer.autoClear = false; + const reversedDepthBuffer = renderer.state.buffers.depth.getReversed(); + if (reversedDepthBuffer) { + renderer.setRenderTarget(cubeUVRenderTarget); + renderer.clearDepth(); + renderer.setRenderTarget(null); + } + if (this._backgroundBox === null) { + this._backgroundBox = new Mesh( + new BoxGeometry(), + new MeshBasicMaterial({ + name: "PMREM.Background", + side: BackSide, + depthWrite: false, + depthTest: false + }) + ); + } + const backgroundBox = this._backgroundBox; + const backgroundMaterial = backgroundBox.material; + let useSolidColor = false; + const background = scene.background; + if (background) { + if (background.isColor) { + backgroundMaterial.color.copy(background); + scene.background = null; + useSolidColor = true; + } + } else { + backgroundMaterial.color.copy(_clearColor); + useSolidColor = true; + } + for (let i = 0; i < 6; i++) { + const col = i % 3; + if (col === 0) { + cubeCamera.up.set(0, upSign[i], 0); + cubeCamera.position.set(position.x, position.y, position.z); + cubeCamera.lookAt(position.x + forwardSign[i], position.y, position.z); + } else if (col === 1) { + cubeCamera.up.set(0, 0, upSign[i]); + cubeCamera.position.set(position.x, position.y, position.z); + cubeCamera.lookAt(position.x, position.y + forwardSign[i], position.z); + } else { + cubeCamera.up.set(0, upSign[i], 0); + cubeCamera.position.set(position.x, position.y, position.z); + cubeCamera.lookAt(position.x, position.y, position.z + forwardSign[i]); + } + const size = this._cubeSize; + _setViewport(cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size); + renderer.setRenderTarget(cubeUVRenderTarget); + if (useSolidColor) { + renderer.render(backgroundBox, cubeCamera); + } + renderer.render(scene, cubeCamera); + } + renderer.toneMapping = toneMapping; + renderer.autoClear = originalAutoClear; + scene.background = background; + } + _textureToCubeUV(texture, cubeUVRenderTarget) { + const renderer = this._renderer; + const isCubeTexture = texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping; + if (isCubeTexture) { + if (this._cubemapMaterial === null) { + this._cubemapMaterial = _getCubemapMaterial(); + } + this._cubemapMaterial.uniforms.flipEnvMap.value = texture.isRenderTargetTexture === false ? -1 : 1; + } else { + if (this._equirectMaterial === null) { + this._equirectMaterial = _getEquirectMaterial(); + } + } + const material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial; + const mesh = this._lodMeshes[0]; + mesh.material = material; + const uniforms = material.uniforms; + uniforms["envMap"].value = texture; + const size = this._cubeSize; + _setViewport(cubeUVRenderTarget, 0, 0, 3 * size, 2 * size); + renderer.setRenderTarget(cubeUVRenderTarget); + renderer.render(mesh, _flatCamera); + } + _applyPMREM(cubeUVRenderTarget) { + const renderer = this._renderer; + const autoClear = renderer.autoClear; + renderer.autoClear = false; + const n = this._lodMeshes.length; + for (let i = 1; i < n; i++) { + this._applyGGXFilter(cubeUVRenderTarget, i - 1, i); + } + renderer.autoClear = autoClear; + } + /** + * Applies GGX VNDF importance sampling filter to generate a prefiltered environment map. + * Uses Monte Carlo integration with VNDF importance sampling to accurately represent the + * GGX BRDF for physically-based rendering. Reads from the previous LOD level and + * applies incremental roughness filtering to avoid over-blurring. + * + * @private + * @param {WebGLRenderTarget} cubeUVRenderTarget + * @param {number} lodIn - Source LOD level to read from + * @param {number} lodOut - Target LOD level to write to + */ + _applyGGXFilter(cubeUVRenderTarget, lodIn, lodOut) { + const renderer = this._renderer; + const pingPongRenderTarget = this._pingPongRenderTarget; + const ggxMaterial = this._ggxMaterial; + const ggxMesh = this._lodMeshes[lodOut]; + ggxMesh.material = ggxMaterial; + const ggxUniforms = ggxMaterial.uniforms; + const targetRoughness = lodOut / (this._lodMeshes.length - 1); + const sourceRoughness = lodIn / (this._lodMeshes.length - 1); + const incrementalRoughness = Math.sqrt(targetRoughness * targetRoughness - sourceRoughness * sourceRoughness); + const blurStrength = 0.05 + targetRoughness * 0.95; + const adjustedRoughness = incrementalRoughness * blurStrength; + const { _lodMax } = this; + const outputSize = this._sizeLods[lodOut]; + const x = 3 * outputSize * (lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0); + const y = 4 * (this._cubeSize - outputSize); + ggxUniforms["envMap"].value = cubeUVRenderTarget.texture; + ggxUniforms["roughness"].value = adjustedRoughness; + ggxUniforms["mipInt"].value = _lodMax - lodIn; + _setViewport(pingPongRenderTarget, x, y, 3 * outputSize, 2 * outputSize); + renderer.setRenderTarget(pingPongRenderTarget); + renderer.render(ggxMesh, _flatCamera); + ggxUniforms["envMap"].value = pingPongRenderTarget.texture; + ggxUniforms["roughness"].value = 0; + ggxUniforms["mipInt"].value = _lodMax - lodOut; + _setViewport(cubeUVRenderTarget, x, y, 3 * outputSize, 2 * outputSize); + renderer.setRenderTarget(cubeUVRenderTarget); + renderer.render(ggxMesh, _flatCamera); + } + /** + * This is a two-pass Gaussian blur for a cubemap. Normally this is done + * vertically and horizontally, but this breaks down on a cube. Here we apply + * the blur latitudinally (around the poles), and then longitudinally (towards + * the poles) to approximate the orthogonally-separable blur. It is least + * accurate at the poles, but still does a decent job. + * + * Used for initial scene blur in fromScene() method when sigma > 0. + * + * @private + * @param {WebGLRenderTarget} cubeUVRenderTarget + * @param {number} lodIn + * @param {number} lodOut + * @param {number} sigma + * @param {Vector3} [poleAxis] + */ + _blur(cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis) { + const pingPongRenderTarget = this._pingPongRenderTarget; + this._halfBlur( + cubeUVRenderTarget, + pingPongRenderTarget, + lodIn, + lodOut, + sigma, + "latitudinal", + poleAxis + ); + this._halfBlur( + pingPongRenderTarget, + cubeUVRenderTarget, + lodOut, + lodOut, + sigma, + "longitudinal", + poleAxis + ); + } + _halfBlur(targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis) { + const renderer = this._renderer; + const blurMaterial = this._blurMaterial; + if (direction !== "latitudinal" && direction !== "longitudinal") { + error( + "blur direction must be either latitudinal or longitudinal!" + ); + } + const STANDARD_DEVIATIONS = 3; + const blurMesh = this._lodMeshes[lodOut]; + blurMesh.material = blurMaterial; + const blurUniforms = blurMaterial.uniforms; + const pixels = this._sizeLods[lodIn] - 1; + const radiansPerPixel = isFinite(sigmaRadians) ? Math.PI / (2 * pixels) : 2 * Math.PI / (2 * MAX_SAMPLES - 1); + const sigmaPixels = sigmaRadians / radiansPerPixel; + const samples = isFinite(sigmaRadians) ? 1 + Math.floor(STANDARD_DEVIATIONS * sigmaPixels) : MAX_SAMPLES; + if (samples > MAX_SAMPLES) { + warn(`sigmaRadians, ${sigmaRadians}, is too large and will clip, as it requested ${samples} samples when the maximum is set to ${MAX_SAMPLES}`); + } + const weights = []; + let sum = 0; + for (let i = 0; i < MAX_SAMPLES; ++i) { + const x2 = i / sigmaPixels; + const weight = Math.exp(-x2 * x2 / 2); + weights.push(weight); + if (i === 0) { + sum += weight; + } else if (i < samples) { + sum += 2 * weight; + } + } + for (let i = 0; i < weights.length; i++) { + weights[i] = weights[i] / sum; + } + blurUniforms["envMap"].value = targetIn.texture; + blurUniforms["samples"].value = samples; + blurUniforms["weights"].value = weights; + blurUniforms["latitudinal"].value = direction === "latitudinal"; + if (poleAxis) { + blurUniforms["poleAxis"].value = poleAxis; + } + const { _lodMax } = this; + blurUniforms["dTheta"].value = radiansPerPixel; + blurUniforms["mipInt"].value = _lodMax - lodIn; + const outputSize = this._sizeLods[lodOut]; + const x = 3 * outputSize * (lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0); + const y = 4 * (this._cubeSize - outputSize); + _setViewport(targetOut, x, y, 3 * outputSize, 2 * outputSize); + renderer.setRenderTarget(targetOut); + renderer.render(blurMesh, _flatCamera); + } +}; +function _createPlanes(lodMax) { + const sizeLods = []; + const sigmas = []; + const lodMeshes = []; + let lod = lodMax; + const totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length; + for (let i = 0; i < totalLods; i++) { + const sizeLod = Math.pow(2, lod); + sizeLods.push(sizeLod); + let sigma = 1 / sizeLod; + if (i > lodMax - LOD_MIN) { + sigma = EXTRA_LOD_SIGMA[i - lodMax + LOD_MIN - 1]; + } else if (i === 0) { + sigma = 0; + } + sigmas.push(sigma); + const texelSize = 1 / (sizeLod - 2); + const min = -texelSize; + const max = 1 + texelSize; + const uv1 = [min, min, max, min, max, max, min, min, max, max, min, max]; + const cubeFaces = 6; + const vertices = 6; + const positionSize = 3; + const uvSize = 2; + const faceIndexSize = 1; + const position = new Float32Array(positionSize * vertices * cubeFaces); + const uv = new Float32Array(uvSize * vertices * cubeFaces); + const faceIndex = new Float32Array(faceIndexSize * vertices * cubeFaces); + for (let face = 0; face < cubeFaces; face++) { + const x = face % 3 * 2 / 3 - 1; + const y = face > 2 ? 0 : -1; + const coordinates = [ + x, + y, + 0, + x + 2 / 3, + y, + 0, + x + 2 / 3, + y + 1, + 0, + x, + y, + 0, + x + 2 / 3, + y + 1, + 0, + x, + y + 1, + 0 + ]; + position.set(coordinates, positionSize * vertices * face); + uv.set(uv1, uvSize * vertices * face); + const fill2 = [face, face, face, face, face, face]; + faceIndex.set(fill2, faceIndexSize * vertices * face); + } + const planes = new BufferGeometry(); + planes.setAttribute("position", new BufferAttribute(position, positionSize)); + planes.setAttribute("uv", new BufferAttribute(uv, uvSize)); + planes.setAttribute("faceIndex", new BufferAttribute(faceIndex, faceIndexSize)); + lodMeshes.push(new Mesh(planes, null)); + if (lod > LOD_MIN) { + lod--; + } + } + return { lodMeshes, sizeLods, sigmas }; +} +function _createRenderTarget(width, height, params) { + const cubeUVRenderTarget = new WebGLRenderTarget(width, height, params); + cubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping; + cubeUVRenderTarget.texture.name = "PMREM.cubeUv"; + cubeUVRenderTarget.scissorTest = true; + return cubeUVRenderTarget; +} +function _setViewport(target, x, y, width, height) { + target.viewport.set(x, y, width, height); + target.scissor.set(x, y, width, height); +} +function _getGGXShader(lodMax, width, height) { + const shaderMaterial = new ShaderMaterial({ + name: "PMREMGGXConvolution", + defines: { + "GGX_SAMPLES": GGX_SAMPLES, + "CUBEUV_TEXEL_WIDTH": 1 / width, + "CUBEUV_TEXEL_HEIGHT": 1 / height, + "CUBEUV_MAX_MIP": `${lodMax}.0` + }, + uniforms: { + "envMap": { value: null }, + "roughness": { value: 0 }, + "mipInt": { value: 0 } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ( + /* glsl */ + ` + + precision highp float; + precision highp int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + uniform float roughness; + uniform float mipInt; + + #define ENVMAP_TYPE_CUBE_UV + #include + + #define PI 3.14159265359 + + // Van der Corput radical inverse + float radicalInverse_VdC(uint bits) { + bits = (bits << 16u) | (bits >> 16u); + bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u); + bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u); + bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u); + bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u); + return float(bits) * 2.3283064365386963e-10; // / 0x100000000 + } + + // Hammersley sequence + vec2 hammersley(uint i, uint N) { + return vec2(float(i) / float(N), radicalInverse_VdC(i)); + } + + // GGX VNDF importance sampling (Eric Heitz 2018) + // "Sampling the GGX Distribution of Visible Normals" + // https://jcgt.org/published/0007/04/01/ + vec3 importanceSampleGGX_VNDF(vec2 Xi, vec3 V, float roughness) { + float alpha = roughness * roughness; + + // Section 3.2: Transform view direction to hemisphere configuration + vec3 Vh = normalize(vec3(alpha * V.x, alpha * V.y, V.z)); + + // Section 4.1: Orthonormal basis + float lensq = Vh.x * Vh.x + Vh.y * Vh.y; + vec3 T1 = lensq > 0.0 ? vec3(-Vh.y, Vh.x, 0.0) / sqrt(lensq) : vec3(1.0, 0.0, 0.0); + vec3 T2 = cross(Vh, T1); + + // Section 4.2: Parameterization of projected area + float r = sqrt(Xi.x); + float phi = 2.0 * PI * Xi.y; + float t1 = r * cos(phi); + float t2 = r * sin(phi); + float s = 0.5 * (1.0 + Vh.z); + t2 = (1.0 - s) * sqrt(1.0 - t1 * t1) + s * t2; + + // Section 4.3: Reprojection onto hemisphere + vec3 Nh = t1 * T1 + t2 * T2 + sqrt(max(0.0, 1.0 - t1 * t1 - t2 * t2)) * Vh; + + // Section 3.4: Transform back to ellipsoid configuration + return normalize(vec3(alpha * Nh.x, alpha * Nh.y, max(0.0, Nh.z))); + } + + void main() { + vec3 N = normalize(vOutputDirection); + vec3 V = N; // Assume view direction equals normal for pre-filtering + + vec3 prefilteredColor = vec3(0.0); + float totalWeight = 0.0; + + // For very low roughness, just sample the environment directly + if (roughness < 0.001) { + gl_FragColor = vec4(bilinearCubeUV(envMap, N, mipInt), 1.0); + return; + } + + // Tangent space basis for VNDF sampling + vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0); + vec3 tangent = normalize(cross(up, N)); + vec3 bitangent = cross(N, tangent); + + for(uint i = 0u; i < uint(GGX_SAMPLES); i++) { + vec2 Xi = hammersley(i, uint(GGX_SAMPLES)); + + // For PMREM, V = N, so in tangent space V is always (0, 0, 1) + vec3 H_tangent = importanceSampleGGX_VNDF(Xi, vec3(0.0, 0.0, 1.0), roughness); + + // Transform H back to world space + vec3 H = normalize(tangent * H_tangent.x + bitangent * H_tangent.y + N * H_tangent.z); + vec3 L = normalize(2.0 * dot(V, H) * H - V); + + float NdotL = max(dot(N, L), 0.0); + + if(NdotL > 0.0) { + // Sample environment at fixed mip level + // VNDF importance sampling handles the distribution filtering + vec3 sampleColor = bilinearCubeUV(envMap, L, mipInt); + + // Weight by NdotL for the split-sum approximation + // VNDF PDF naturally accounts for the visible microfacet distribution + prefilteredColor += sampleColor * NdotL; + totalWeight += NdotL; + } + } + + if (totalWeight > 0.0) { + prefilteredColor = prefilteredColor / totalWeight; + } + + gl_FragColor = vec4(prefilteredColor, 1.0); + } + ` + ), + blending: NoBlending, + depthTest: false, + depthWrite: false + }); + return shaderMaterial; +} +function _getBlurShader(lodMax, width, height) { + const weights = new Float32Array(MAX_SAMPLES); + const poleAxis = new Vector3(0, 1, 0); + const shaderMaterial = new ShaderMaterial({ + name: "SphericalGaussianBlur", + defines: { + "n": MAX_SAMPLES, + "CUBEUV_TEXEL_WIDTH": 1 / width, + "CUBEUV_TEXEL_HEIGHT": 1 / height, + "CUBEUV_MAX_MIP": `${lodMax}.0` + }, + uniforms: { + "envMap": { value: null }, + "samples": { value: 1 }, + "weights": { value: weights }, + "latitudinal": { value: false }, + "dTheta": { value: 0 }, + "mipInt": { value: 0 }, + "poleAxis": { value: poleAxis } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ( + /* glsl */ + ` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + uniform int samples; + uniform float weights[ n ]; + uniform bool latitudinal; + uniform float dTheta; + uniform float mipInt; + uniform vec3 poleAxis; + + #define ENVMAP_TYPE_CUBE_UV + #include + + vec3 getSample( float theta, vec3 axis ) { + + float cosTheta = cos( theta ); + // Rodrigues' axis-angle rotation + vec3 sampleDirection = vOutputDirection * cosTheta + + cross( axis, vOutputDirection ) * sin( theta ) + + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta ); + + return bilinearCubeUV( envMap, sampleDirection, mipInt ); + + } + + void main() { + + vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection ); + + if ( all( equal( axis, vec3( 0.0 ) ) ) ) { + + axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x ); + + } + + axis = normalize( axis ); + + gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis ); + + for ( int i = 1; i < n; i++ ) { + + if ( i >= samples ) { + + break; + + } + + float theta = dTheta * float( i ); + gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis ); + gl_FragColor.rgb += weights[ i ] * getSample( theta, axis ); + + } + + } + ` + ), + blending: NoBlending, + depthTest: false, + depthWrite: false + }); + return shaderMaterial; +} +function _getEquirectMaterial() { + return new ShaderMaterial({ + name: "EquirectangularToCubeUV", + uniforms: { + "envMap": { value: null } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ( + /* glsl */ + ` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + + #include + + void main() { + + vec3 outputDirection = normalize( vOutputDirection ); + vec2 uv = equirectUv( outputDirection ); + + gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); + + } + ` + ), + blending: NoBlending, + depthTest: false, + depthWrite: false + }); +} +function _getCubemapMaterial() { + return new ShaderMaterial({ + name: "CubemapToCubeUV", + uniforms: { + "envMap": { value: null }, + "flipEnvMap": { value: -1 } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ( + /* glsl */ + ` + + precision mediump float; + precision mediump int; + + uniform float flipEnvMap; + + varying vec3 vOutputDirection; + + uniform samplerCube envMap; + + void main() { + + gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); + + } + ` + ), + blending: NoBlending, + depthTest: false, + depthWrite: false + }); +} +function _getCommonVertexShader() { + return ( + /* glsl */ + ` + + precision mediump float; + precision mediump int; + + attribute float faceIndex; + + varying vec3 vOutputDirection; + + // RH coordinate system; PMREM face-indexing convention + vec3 getDirection( vec2 uv, float face ) { + + uv = 2.0 * uv - 1.0; + + vec3 direction = vec3( uv, 1.0 ); + + if ( face == 0.0 ) { + + direction = direction.zyx; // ( 1, v, u ) pos x + + } else if ( face == 1.0 ) { + + direction = direction.xzy; + direction.xz *= -1.0; // ( -u, 1, -v ) pos y + + } else if ( face == 2.0 ) { + + direction.x *= -1.0; // ( -u, v, 1 ) pos z + + } else if ( face == 3.0 ) { + + direction = direction.zyx; + direction.xz *= -1.0; // ( -1, v, -u ) neg x + + } else if ( face == 4.0 ) { + + direction = direction.xzy; + direction.xy *= -1.0; // ( -u, -1, v ) neg y + + } else if ( face == 5.0 ) { + + direction.z *= -1.0; // ( u, v, -1 ) neg z + + } + + return direction; + + } + + void main() { + + vOutputDirection = getDirection( uv, faceIndex ); + gl_Position = vec4( position, 1.0 ); + + } + ` + ); +} +function WebGLCubeUVMaps(renderer) { + let cubeUVmaps = /* @__PURE__ */ new WeakMap(); + let pmremGenerator = null; + function get(texture) { + if (texture && texture.isTexture) { + const mapping = texture.mapping; + const isEquirectMap = mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping; + const isCubeMap = mapping === CubeReflectionMapping || mapping === CubeRefractionMapping; + if (isEquirectMap || isCubeMap) { + let renderTarget = cubeUVmaps.get(texture); + const currentPMREMVersion = renderTarget !== void 0 ? renderTarget.texture.pmremVersion : 0; + if (texture.isRenderTargetTexture && texture.pmremVersion !== currentPMREMVersion) { + if (pmremGenerator === null) pmremGenerator = new PMREMGenerator(renderer); + renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular(texture, renderTarget) : pmremGenerator.fromCubemap(texture, renderTarget); + renderTarget.texture.pmremVersion = texture.pmremVersion; + cubeUVmaps.set(texture, renderTarget); + return renderTarget.texture; + } else { + if (renderTarget !== void 0) { + return renderTarget.texture; + } else { + const image = texture.image; + if (isEquirectMap && image && image.height > 0 || isCubeMap && image && isCubeTextureComplete(image)) { + if (pmremGenerator === null) pmremGenerator = new PMREMGenerator(renderer); + renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular(texture) : pmremGenerator.fromCubemap(texture); + renderTarget.texture.pmremVersion = texture.pmremVersion; + cubeUVmaps.set(texture, renderTarget); + texture.addEventListener("dispose", onTextureDispose); + return renderTarget.texture; + } else { + return null; + } + } + } + } + } + return texture; + } + function isCubeTextureComplete(image) { + let count = 0; + const length = 6; + for (let i = 0; i < length; i++) { + if (image[i] !== void 0) count++; + } + return count === length; + } + function onTextureDispose(event) { + const texture = event.target; + texture.removeEventListener("dispose", onTextureDispose); + const cubemapUV = cubeUVmaps.get(texture); + if (cubemapUV !== void 0) { + cubeUVmaps.delete(texture); + cubemapUV.dispose(); + } + } + function dispose() { + cubeUVmaps = /* @__PURE__ */ new WeakMap(); + if (pmremGenerator !== null) { + pmremGenerator.dispose(); + pmremGenerator = null; + } + } + return { + get, + dispose + }; +} +function WebGLExtensions(gl) { + const extensions = {}; + function getExtension(name) { + if (extensions[name] !== void 0) { + return extensions[name]; + } + const extension = gl.getExtension(name); + extensions[name] = extension; + return extension; + } + return { + has: function(name) { + return getExtension(name) !== null; + }, + init: function() { + getExtension("EXT_color_buffer_float"); + getExtension("WEBGL_clip_cull_distance"); + getExtension("OES_texture_float_linear"); + getExtension("EXT_color_buffer_half_float"); + getExtension("WEBGL_multisampled_render_to_texture"); + getExtension("WEBGL_render_shared_exponent"); + }, + get: function(name) { + const extension = getExtension(name); + if (extension === null) { + warnOnce("WebGLRenderer: " + name + " extension not supported."); + } + return extension; + } + }; +} +function WebGLGeometries(gl, attributes, info, bindingStates) { + const geometries = {}; + const wireframeAttributes = /* @__PURE__ */ new WeakMap(); + function onGeometryDispose(event) { + const geometry = event.target; + if (geometry.index !== null) { + attributes.remove(geometry.index); + } + for (const name in geometry.attributes) { + attributes.remove(geometry.attributes[name]); + } + geometry.removeEventListener("dispose", onGeometryDispose); + delete geometries[geometry.id]; + const attribute = wireframeAttributes.get(geometry); + if (attribute) { + attributes.remove(attribute); + wireframeAttributes.delete(geometry); + } + bindingStates.releaseStatesOfGeometry(geometry); + if (geometry.isInstancedBufferGeometry === true) { + delete geometry._maxInstanceCount; + } + info.memory.geometries--; + } + function get(object, geometry) { + if (geometries[geometry.id] === true) return geometry; + geometry.addEventListener("dispose", onGeometryDispose); + geometries[geometry.id] = true; + info.memory.geometries++; + return geometry; + } + function update(geometry) { + const geometryAttributes = geometry.attributes; + for (const name in geometryAttributes) { + attributes.update(geometryAttributes[name], gl.ARRAY_BUFFER); + } + } + function updateWireframeAttribute(geometry) { + const indices = []; + const geometryIndex = geometry.index; + const geometryPosition = geometry.attributes.position; + let version = 0; + if (geometryIndex !== null) { + const array = geometryIndex.array; + version = geometryIndex.version; + for (let i = 0, l = array.length; i < l; i += 3) { + const a = array[i + 0]; + const b = array[i + 1]; + const c = array[i + 2]; + indices.push(a, b, b, c, c, a); + } + } else if (geometryPosition !== void 0) { + const array = geometryPosition.array; + version = geometryPosition.version; + for (let i = 0, l = array.length / 3 - 1; i < l; i += 3) { + const a = i + 0; + const b = i + 1; + const c = i + 2; + indices.push(a, b, b, c, c, a); + } + } else { + return; + } + const attribute = new (arrayNeedsUint32(indices) ? Uint32BufferAttribute : Uint16BufferAttribute)(indices, 1); + attribute.version = version; + const previousAttribute = wireframeAttributes.get(geometry); + if (previousAttribute) attributes.remove(previousAttribute); + wireframeAttributes.set(geometry, attribute); + } + function getWireframeAttribute(geometry) { + const currentAttribute = wireframeAttributes.get(geometry); + if (currentAttribute) { + const geometryIndex = geometry.index; + if (geometryIndex !== null) { + if (currentAttribute.version < geometryIndex.version) { + updateWireframeAttribute(geometry); + } + } + } else { + updateWireframeAttribute(geometry); + } + return wireframeAttributes.get(geometry); + } + return { + get, + update, + getWireframeAttribute + }; +} +function WebGLIndexedBufferRenderer(gl, extensions, info) { + let mode; + function setMode(value) { + mode = value; + } + let type, bytesPerElement; + function setIndex(value) { + type = value.type; + bytesPerElement = value.bytesPerElement; + } + function render(start, count) { + gl.drawElements(mode, count, type, start * bytesPerElement); + info.update(count, mode, 1); + } + function renderInstances(start, count, primcount) { + if (primcount === 0) return; + gl.drawElementsInstanced(mode, count, type, start * bytesPerElement, primcount); + info.update(count, mode, primcount); + } + function renderMultiDraw(starts, counts, drawCount) { + if (drawCount === 0) return; + const extension = extensions.get("WEBGL_multi_draw"); + extension.multiDrawElementsWEBGL(mode, counts, 0, type, starts, 0, drawCount); + let elementCount = 0; + for (let i = 0; i < drawCount; i++) { + elementCount += counts[i]; + } + info.update(elementCount, mode, 1); + } + function renderMultiDrawInstances(starts, counts, drawCount, primcount) { + if (drawCount === 0) return; + const extension = extensions.get("WEBGL_multi_draw"); + if (extension === null) { + for (let i = 0; i < starts.length; i++) { + renderInstances(starts[i] / bytesPerElement, counts[i], primcount[i]); + } + } else { + extension.multiDrawElementsInstancedWEBGL(mode, counts, 0, type, starts, 0, primcount, 0, drawCount); + let elementCount = 0; + for (let i = 0; i < drawCount; i++) { + elementCount += counts[i] * primcount[i]; + } + info.update(elementCount, mode, 1); + } + } + this.setMode = setMode; + this.setIndex = setIndex; + this.render = render; + this.renderInstances = renderInstances; + this.renderMultiDraw = renderMultiDraw; + this.renderMultiDrawInstances = renderMultiDrawInstances; +} +function WebGLInfo(gl) { + const memory = { + geometries: 0, + textures: 0 + }; + const render = { + frame: 0, + calls: 0, + triangles: 0, + points: 0, + lines: 0 + }; + function update(count, mode, instanceCount) { + render.calls++; + switch (mode) { + case gl.TRIANGLES: + render.triangles += instanceCount * (count / 3); + break; + case gl.LINES: + render.lines += instanceCount * (count / 2); + break; + case gl.LINE_STRIP: + render.lines += instanceCount * (count - 1); + break; + case gl.LINE_LOOP: + render.lines += instanceCount * count; + break; + case gl.POINTS: + render.points += instanceCount * count; + break; + default: + error("WebGLInfo: Unknown draw mode:", mode); + break; + } + } + function reset() { + render.calls = 0; + render.triangles = 0; + render.points = 0; + render.lines = 0; + } + return { + memory, + render, + programs: null, + autoReset: true, + reset, + update + }; +} +function WebGLMorphtargets(gl, capabilities, textures) { + const morphTextures = /* @__PURE__ */ new WeakMap(); + const morph = new Vector4(); + function update(object, geometry, program) { + const objectInfluences = object.morphTargetInfluences; + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = morphAttribute !== void 0 ? morphAttribute.length : 0; + let entry = morphTextures.get(geometry); + if (entry === void 0 || entry.count !== morphTargetsCount) { + let disposeTexture = function() { + texture.dispose(); + morphTextures.delete(geometry); + geometry.removeEventListener("dispose", disposeTexture); + }; + if (entry !== void 0) entry.texture.dispose(); + const hasMorphPosition = geometry.morphAttributes.position !== void 0; + const hasMorphNormals = geometry.morphAttributes.normal !== void 0; + const hasMorphColors = geometry.morphAttributes.color !== void 0; + const morphTargets = geometry.morphAttributes.position || []; + const morphNormals = geometry.morphAttributes.normal || []; + const morphColors = geometry.morphAttributes.color || []; + let vertexDataCount = 0; + if (hasMorphPosition === true) vertexDataCount = 1; + if (hasMorphNormals === true) vertexDataCount = 2; + if (hasMorphColors === true) vertexDataCount = 3; + let width = geometry.attributes.position.count * vertexDataCount; + let height = 1; + if (width > capabilities.maxTextureSize) { + height = Math.ceil(width / capabilities.maxTextureSize); + width = capabilities.maxTextureSize; + } + const buffer = new Float32Array(width * height * 4 * morphTargetsCount); + const texture = new DataArrayTexture(buffer, width, height, morphTargetsCount); + texture.type = FloatType; + texture.needsUpdate = true; + const vertexDataStride = vertexDataCount * 4; + for (let i = 0; i < morphTargetsCount; i++) { + const morphTarget = morphTargets[i]; + const morphNormal = morphNormals[i]; + const morphColor = morphColors[i]; + const offset = width * height * 4 * i; + for (let j = 0; j < morphTarget.count; j++) { + const stride = j * vertexDataStride; + if (hasMorphPosition === true) { + morph.fromBufferAttribute(morphTarget, j); + buffer[offset + stride + 0] = morph.x; + buffer[offset + stride + 1] = morph.y; + buffer[offset + stride + 2] = morph.z; + buffer[offset + stride + 3] = 0; + } + if (hasMorphNormals === true) { + morph.fromBufferAttribute(morphNormal, j); + buffer[offset + stride + 4] = morph.x; + buffer[offset + stride + 5] = morph.y; + buffer[offset + stride + 6] = morph.z; + buffer[offset + stride + 7] = 0; + } + if (hasMorphColors === true) { + morph.fromBufferAttribute(morphColor, j); + buffer[offset + stride + 8] = morph.x; + buffer[offset + stride + 9] = morph.y; + buffer[offset + stride + 10] = morph.z; + buffer[offset + stride + 11] = morphColor.itemSize === 4 ? morph.w : 1; + } + } + } + entry = { + count: morphTargetsCount, + texture, + size: new Vector2(width, height) + }; + morphTextures.set(geometry, entry); + geometry.addEventListener("dispose", disposeTexture); + } + if (object.isInstancedMesh === true && object.morphTexture !== null) { + program.getUniforms().setValue(gl, "morphTexture", object.morphTexture, textures); + } else { + let morphInfluencesSum = 0; + for (let i = 0; i < objectInfluences.length; i++) { + morphInfluencesSum += objectInfluences[i]; + } + const morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + program.getUniforms().setValue(gl, "morphTargetBaseInfluence", morphBaseInfluence); + program.getUniforms().setValue(gl, "morphTargetInfluences", objectInfluences); + } + program.getUniforms().setValue(gl, "morphTargetsTexture", entry.texture, textures); + program.getUniforms().setValue(gl, "morphTargetsTextureSize", entry.size); + } + return { + update + }; +} +function WebGLObjects(gl, geometries, attributes, info) { + let updateMap = /* @__PURE__ */ new WeakMap(); + function update(object) { + const frame = info.render.frame; + const geometry = object.geometry; + const buffergeometry = geometries.get(object, geometry); + if (updateMap.get(buffergeometry) !== frame) { + geometries.update(buffergeometry); + updateMap.set(buffergeometry, frame); + } + if (object.isInstancedMesh) { + if (object.hasEventListener("dispose", onInstancedMeshDispose) === false) { + object.addEventListener("dispose", onInstancedMeshDispose); + } + if (updateMap.get(object) !== frame) { + attributes.update(object.instanceMatrix, gl.ARRAY_BUFFER); + if (object.instanceColor !== null) { + attributes.update(object.instanceColor, gl.ARRAY_BUFFER); + } + updateMap.set(object, frame); + } + } + if (object.isSkinnedMesh) { + const skeleton = object.skeleton; + if (updateMap.get(skeleton) !== frame) { + skeleton.update(); + updateMap.set(skeleton, frame); + } + } + return buffergeometry; + } + function dispose() { + updateMap = /* @__PURE__ */ new WeakMap(); + } + function onInstancedMeshDispose(event) { + const instancedMesh = event.target; + instancedMesh.removeEventListener("dispose", onInstancedMeshDispose); + attributes.remove(instancedMesh.instanceMatrix); + if (instancedMesh.instanceColor !== null) attributes.remove(instancedMesh.instanceColor); + } + return { + update, + dispose + }; +} +var emptyTexture = new Texture(); +var emptyShadowTexture = new DepthTexture(1, 1); +var emptyArrayTexture = new DataArrayTexture(); +var empty3dTexture = new Data3DTexture(); +var emptyCubeTexture = new CubeTexture(); +var arrayCacheF32 = []; +var arrayCacheI32 = []; +var mat4array = new Float32Array(16); +var mat3array = new Float32Array(9); +var mat2array = new Float32Array(4); +function flatten(array, nBlocks, blockSize) { + const firstElem = array[0]; + if (firstElem <= 0 || firstElem > 0) return array; + const n = nBlocks * blockSize; + let r = arrayCacheF32[n]; + if (r === void 0) { + r = new Float32Array(n); + arrayCacheF32[n] = r; + } + if (nBlocks !== 0) { + firstElem.toArray(r, 0); + for (let i = 1, offset = 0; i !== nBlocks; ++i) { + offset += blockSize; + array[i].toArray(r, offset); + } + } + return r; +} +function arraysEqual(a, b) { + if (a.length !== b.length) return false; + for (let i = 0, l = a.length; i < l; i++) { + if (a[i] !== b[i]) return false; + } + return true; +} +function copyArray(a, b) { + for (let i = 0, l = b.length; i < l; i++) { + a[i] = b[i]; + } +} +function allocTexUnits(textures, n) { + let r = arrayCacheI32[n]; + if (r === void 0) { + r = new Int32Array(n); + arrayCacheI32[n] = r; + } + for (let i = 0; i !== n; ++i) { + r[i] = textures.allocateTextureUnit(); + } + return r; +} +function setValueV1f(gl, v) { + const cache = this.cache; + if (cache[0] === v) return; + gl.uniform1f(this.addr, v); + cache[0] = v; +} +function setValueV2f(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y) { + gl.uniform2f(this.addr, v.x, v.y); + cache[0] = v.x; + cache[1] = v.y; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform2fv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV3f(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z) { + gl.uniform3f(this.addr, v.x, v.y, v.z); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + } + } else if (v.r !== void 0) { + if (cache[0] !== v.r || cache[1] !== v.g || cache[2] !== v.b) { + gl.uniform3f(this.addr, v.r, v.g, v.b); + cache[0] = v.r; + cache[1] = v.g; + cache[2] = v.b; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform3fv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV4f(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z || cache[3] !== v.w) { + gl.uniform4f(this.addr, v.x, v.y, v.z, v.w); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + cache[3] = v.w; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform4fv(this.addr, v); + copyArray(cache, v); + } +} +function setValueM2(gl, v) { + const cache = this.cache; + const elements = v.elements; + if (elements === void 0) { + if (arraysEqual(cache, v)) return; + gl.uniformMatrix2fv(this.addr, false, v); + copyArray(cache, v); + } else { + if (arraysEqual(cache, elements)) return; + mat2array.set(elements); + gl.uniformMatrix2fv(this.addr, false, mat2array); + copyArray(cache, elements); + } +} +function setValueM3(gl, v) { + const cache = this.cache; + const elements = v.elements; + if (elements === void 0) { + if (arraysEqual(cache, v)) return; + gl.uniformMatrix3fv(this.addr, false, v); + copyArray(cache, v); + } else { + if (arraysEqual(cache, elements)) return; + mat3array.set(elements); + gl.uniformMatrix3fv(this.addr, false, mat3array); + copyArray(cache, elements); + } +} +function setValueM4(gl, v) { + const cache = this.cache; + const elements = v.elements; + if (elements === void 0) { + if (arraysEqual(cache, v)) return; + gl.uniformMatrix4fv(this.addr, false, v); + copyArray(cache, v); + } else { + if (arraysEqual(cache, elements)) return; + mat4array.set(elements); + gl.uniformMatrix4fv(this.addr, false, mat4array); + copyArray(cache, elements); + } +} +function setValueV1i(gl, v) { + const cache = this.cache; + if (cache[0] === v) return; + gl.uniform1i(this.addr, v); + cache[0] = v; +} +function setValueV2i(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y) { + gl.uniform2i(this.addr, v.x, v.y); + cache[0] = v.x; + cache[1] = v.y; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform2iv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV3i(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z) { + gl.uniform3i(this.addr, v.x, v.y, v.z); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform3iv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV4i(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z || cache[3] !== v.w) { + gl.uniform4i(this.addr, v.x, v.y, v.z, v.w); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + cache[3] = v.w; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform4iv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV1ui(gl, v) { + const cache = this.cache; + if (cache[0] === v) return; + gl.uniform1ui(this.addr, v); + cache[0] = v; +} +function setValueV2ui(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y) { + gl.uniform2ui(this.addr, v.x, v.y); + cache[0] = v.x; + cache[1] = v.y; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform2uiv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV3ui(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z) { + gl.uniform3ui(this.addr, v.x, v.y, v.z); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform3uiv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV4ui(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z || cache[3] !== v.w) { + gl.uniform4ui(this.addr, v.x, v.y, v.z, v.w); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + cache[3] = v.w; + } + } else { + if (arraysEqual(cache, v)) return; + gl.uniform4uiv(this.addr, v); + copyArray(cache, v); + } +} +function setValueT1(gl, v, textures) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if (cache[0] !== unit) { + gl.uniform1i(this.addr, unit); + cache[0] = unit; + } + let emptyTexture2D; + if (this.type === gl.SAMPLER_2D_SHADOW) { + emptyShadowTexture.compareFunction = LessEqualCompare; + emptyTexture2D = emptyShadowTexture; + } else { + emptyTexture2D = emptyTexture; + } + textures.setTexture2D(v || emptyTexture2D, unit); +} +function setValueT3D1(gl, v, textures) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if (cache[0] !== unit) { + gl.uniform1i(this.addr, unit); + cache[0] = unit; + } + textures.setTexture3D(v || empty3dTexture, unit); +} +function setValueT6(gl, v, textures) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if (cache[0] !== unit) { + gl.uniform1i(this.addr, unit); + cache[0] = unit; + } + textures.setTextureCube(v || emptyCubeTexture, unit); +} +function setValueT2DArray1(gl, v, textures) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if (cache[0] !== unit) { + gl.uniform1i(this.addr, unit); + cache[0] = unit; + } + textures.setTexture2DArray(v || emptyArrayTexture, unit); +} +function getSingularSetter(type) { + switch (type) { + case 5126: + return setValueV1f; + // FLOAT + case 35664: + return setValueV2f; + // _VEC2 + case 35665: + return setValueV3f; + // _VEC3 + case 35666: + return setValueV4f; + // _VEC4 + case 35674: + return setValueM2; + // _MAT2 + case 35675: + return setValueM3; + // _MAT3 + case 35676: + return setValueM4; + // _MAT4 + case 5124: + case 35670: + return setValueV1i; + // INT, BOOL + case 35667: + case 35671: + return setValueV2i; + // _VEC2 + case 35668: + case 35672: + return setValueV3i; + // _VEC3 + case 35669: + case 35673: + return setValueV4i; + // _VEC4 + case 5125: + return setValueV1ui; + // UINT + case 36294: + return setValueV2ui; + // _VEC2 + case 36295: + return setValueV3ui; + // _VEC3 + case 36296: + return setValueV4ui; + // _VEC4 + case 35678: + // SAMPLER_2D + case 36198: + // SAMPLER_EXTERNAL_OES + case 36298: + // INT_SAMPLER_2D + case 36306: + // UNSIGNED_INT_SAMPLER_2D + case 35682: + return setValueT1; + case 35679: + // SAMPLER_3D + case 36299: + // INT_SAMPLER_3D + case 36307: + return setValueT3D1; + case 35680: + // SAMPLER_CUBE + case 36300: + // INT_SAMPLER_CUBE + case 36308: + // UNSIGNED_INT_SAMPLER_CUBE + case 36293: + return setValueT6; + case 36289: + // SAMPLER_2D_ARRAY + case 36303: + // INT_SAMPLER_2D_ARRAY + case 36311: + // UNSIGNED_INT_SAMPLER_2D_ARRAY + case 36292: + return setValueT2DArray1; + } +} +function setValueV1fArray(gl, v) { + gl.uniform1fv(this.addr, v); +} +function setValueV2fArray(gl, v) { + const data = flatten(v, this.size, 2); + gl.uniform2fv(this.addr, data); +} +function setValueV3fArray(gl, v) { + const data = flatten(v, this.size, 3); + gl.uniform3fv(this.addr, data); +} +function setValueV4fArray(gl, v) { + const data = flatten(v, this.size, 4); + gl.uniform4fv(this.addr, data); +} +function setValueM2Array(gl, v) { + const data = flatten(v, this.size, 4); + gl.uniformMatrix2fv(this.addr, false, data); +} +function setValueM3Array(gl, v) { + const data = flatten(v, this.size, 9); + gl.uniformMatrix3fv(this.addr, false, data); +} +function setValueM4Array(gl, v) { + const data = flatten(v, this.size, 16); + gl.uniformMatrix4fv(this.addr, false, data); +} +function setValueV1iArray(gl, v) { + gl.uniform1iv(this.addr, v); +} +function setValueV2iArray(gl, v) { + gl.uniform2iv(this.addr, v); +} +function setValueV3iArray(gl, v) { + gl.uniform3iv(this.addr, v); +} +function setValueV4iArray(gl, v) { + gl.uniform4iv(this.addr, v); +} +function setValueV1uiArray(gl, v) { + gl.uniform1uiv(this.addr, v); +} +function setValueV2uiArray(gl, v) { + gl.uniform2uiv(this.addr, v); +} +function setValueV3uiArray(gl, v) { + gl.uniform3uiv(this.addr, v); +} +function setValueV4uiArray(gl, v) { + gl.uniform4uiv(this.addr, v); +} +function setValueT1Array(gl, v, textures) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits(textures, n); + if (!arraysEqual(cache, units)) { + gl.uniform1iv(this.addr, units); + copyArray(cache, units); + } + for (let i = 0; i !== n; ++i) { + textures.setTexture2D(v[i] || emptyTexture, units[i]); + } +} +function setValueT3DArray(gl, v, textures) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits(textures, n); + if (!arraysEqual(cache, units)) { + gl.uniform1iv(this.addr, units); + copyArray(cache, units); + } + for (let i = 0; i !== n; ++i) { + textures.setTexture3D(v[i] || empty3dTexture, units[i]); + } +} +function setValueT6Array(gl, v, textures) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits(textures, n); + if (!arraysEqual(cache, units)) { + gl.uniform1iv(this.addr, units); + copyArray(cache, units); + } + for (let i = 0; i !== n; ++i) { + textures.setTextureCube(v[i] || emptyCubeTexture, units[i]); + } +} +function setValueT2DArrayArray(gl, v, textures) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits(textures, n); + if (!arraysEqual(cache, units)) { + gl.uniform1iv(this.addr, units); + copyArray(cache, units); + } + for (let i = 0; i !== n; ++i) { + textures.setTexture2DArray(v[i] || emptyArrayTexture, units[i]); + } +} +function getPureArraySetter(type) { + switch (type) { + case 5126: + return setValueV1fArray; + // FLOAT + case 35664: + return setValueV2fArray; + // _VEC2 + case 35665: + return setValueV3fArray; + // _VEC3 + case 35666: + return setValueV4fArray; + // _VEC4 + case 35674: + return setValueM2Array; + // _MAT2 + case 35675: + return setValueM3Array; + // _MAT3 + case 35676: + return setValueM4Array; + // _MAT4 + case 5124: + case 35670: + return setValueV1iArray; + // INT, BOOL + case 35667: + case 35671: + return setValueV2iArray; + // _VEC2 + case 35668: + case 35672: + return setValueV3iArray; + // _VEC3 + case 35669: + case 35673: + return setValueV4iArray; + // _VEC4 + case 5125: + return setValueV1uiArray; + // UINT + case 36294: + return setValueV2uiArray; + // _VEC2 + case 36295: + return setValueV3uiArray; + // _VEC3 + case 36296: + return setValueV4uiArray; + // _VEC4 + case 35678: + // SAMPLER_2D + case 36198: + // SAMPLER_EXTERNAL_OES + case 36298: + // INT_SAMPLER_2D + case 36306: + // UNSIGNED_INT_SAMPLER_2D + case 35682: + return setValueT1Array; + case 35679: + // SAMPLER_3D + case 36299: + // INT_SAMPLER_3D + case 36307: + return setValueT3DArray; + case 35680: + // SAMPLER_CUBE + case 36300: + // INT_SAMPLER_CUBE + case 36308: + // UNSIGNED_INT_SAMPLER_CUBE + case 36293: + return setValueT6Array; + case 36289: + // SAMPLER_2D_ARRAY + case 36303: + // INT_SAMPLER_2D_ARRAY + case 36311: + // UNSIGNED_INT_SAMPLER_2D_ARRAY + case 36292: + return setValueT2DArrayArray; + } +} +var SingleUniform = class { + constructor(id, activeInfo, addr) { + this.id = id; + this.addr = addr; + this.cache = []; + this.type = activeInfo.type; + this.setValue = getSingularSetter(activeInfo.type); + } +}; +var PureArrayUniform = class { + constructor(id, activeInfo, addr) { + this.id = id; + this.addr = addr; + this.cache = []; + this.type = activeInfo.type; + this.size = activeInfo.size; + this.setValue = getPureArraySetter(activeInfo.type); + } +}; +var StructuredUniform = class { + constructor(id) { + this.id = id; + this.seq = []; + this.map = {}; + } + setValue(gl, value, textures) { + const seq = this.seq; + for (let i = 0, n = seq.length; i !== n; ++i) { + const u = seq[i]; + u.setValue(gl, value[u.id], textures); + } + } +}; +var RePathPart = /(\w+)(\])?(\[|\.)?/g; +function addUniform(container, uniformObject) { + container.seq.push(uniformObject); + container.map[uniformObject.id] = uniformObject; +} +function parseUniform(activeInfo, addr, container) { + const path = activeInfo.name, pathLength = path.length; + RePathPart.lastIndex = 0; + while (true) { + const match = RePathPart.exec(path), matchEnd = RePathPart.lastIndex; + let id = match[1]; + const idIsIndex = match[2] === "]", subscript = match[3]; + if (idIsIndex) id = id | 0; + if (subscript === void 0 || subscript === "[" && matchEnd + 2 === pathLength) { + addUniform(container, subscript === void 0 ? new SingleUniform(id, activeInfo, addr) : new PureArrayUniform(id, activeInfo, addr)); + break; + } else { + const map = container.map; + let next = map[id]; + if (next === void 0) { + next = new StructuredUniform(id); + addUniform(container, next); + } + container = next; + } + } +} +var WebGLUniforms = class { + constructor(gl, program) { + this.seq = []; + this.map = {}; + const n = gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS); + for (let i = 0; i < n; ++i) { + const info = gl.getActiveUniform(program, i), addr = gl.getUniformLocation(program, info.name); + parseUniform(info, addr, this); + } + } + setValue(gl, name, value, textures) { + const u = this.map[name]; + if (u !== void 0) u.setValue(gl, value, textures); + } + setOptional(gl, object, name) { + const v = object[name]; + if (v !== void 0) this.setValue(gl, name, v); + } + static upload(gl, seq, values, textures) { + for (let i = 0, n = seq.length; i !== n; ++i) { + const u = seq[i], v = values[u.id]; + if (v.needsUpdate !== false) { + u.setValue(gl, v.value, textures); + } + } + } + static seqWithValue(seq, values) { + const r = []; + for (let i = 0, n = seq.length; i !== n; ++i) { + const u = seq[i]; + if (u.id in values) r.push(u); + } + return r; + } +}; +function WebGLShader(gl, type, string) { + const shader = gl.createShader(type); + gl.shaderSource(shader, string); + gl.compileShader(shader); + return shader; +} +var COMPLETION_STATUS_KHR = 37297; +var programIdCount = 0; +function handleSource(string, errorLine) { + const lines = string.split("\n"); + const lines2 = []; + const from = Math.max(errorLine - 6, 0); + const to = Math.min(errorLine + 6, lines.length); + for (let i = from; i < to; i++) { + const line = i + 1; + lines2.push(`${line === errorLine ? ">" : " "} ${line}: ${lines[i]}`); + } + return lines2.join("\n"); +} +var _m0 = new Matrix3(); +function getEncodingComponents(colorSpace) { + ColorManagement._getMatrix(_m0, ColorManagement.workingColorSpace, colorSpace); + const encodingMatrix = `mat3( ${_m0.elements.map((v) => v.toFixed(4))} )`; + switch (ColorManagement.getTransfer(colorSpace)) { + case LinearTransfer: + return [encodingMatrix, "LinearTransferOETF"]; + case SRGBTransfer: + return [encodingMatrix, "sRGBTransferOETF"]; + default: + warn("WebGLProgram: Unsupported color space: ", colorSpace); + return [encodingMatrix, "LinearTransferOETF"]; + } +} +function getShaderErrors(gl, shader, type) { + const status = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + const shaderInfoLog = gl.getShaderInfoLog(shader) || ""; + const errors = shaderInfoLog.trim(); + if (status && errors === "") return ""; + const errorMatches = /ERROR: 0:(\d+)/.exec(errors); + if (errorMatches) { + const errorLine = parseInt(errorMatches[1]); + return type.toUpperCase() + "\n\n" + errors + "\n\n" + handleSource(gl.getShaderSource(shader), errorLine); + } else { + return errors; + } +} +function getTexelEncodingFunction(functionName, colorSpace) { + const components = getEncodingComponents(colorSpace); + return [ + `vec4 ${functionName}( vec4 value ) {`, + ` return ${components[1]}( vec4( value.rgb * ${components[0]}, value.a ) );`, + "}" + ].join("\n"); +} +function getToneMappingFunction(functionName, toneMapping) { + let toneMappingName; + switch (toneMapping) { + case LinearToneMapping: + toneMappingName = "Linear"; + break; + case ReinhardToneMapping: + toneMappingName = "Reinhard"; + break; + case CineonToneMapping: + toneMappingName = "Cineon"; + break; + case ACESFilmicToneMapping: + toneMappingName = "ACESFilmic"; + break; + case AgXToneMapping: + toneMappingName = "AgX"; + break; + case NeutralToneMapping: + toneMappingName = "Neutral"; + break; + case CustomToneMapping: + toneMappingName = "Custom"; + break; + default: + warn("WebGLProgram: Unsupported toneMapping:", toneMapping); + toneMappingName = "Linear"; + } + return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }"; +} +var _v02 = new Vector3(); +function getLuminanceFunction() { + ColorManagement.getLuminanceCoefficients(_v02); + const r = _v02.x.toFixed(4); + const g = _v02.y.toFixed(4); + const b = _v02.z.toFixed(4); + return [ + "float luminance( const in vec3 rgb ) {", + ` const vec3 weights = vec3( ${r}, ${g}, ${b} );`, + " return dot( weights, rgb );", + "}" + ].join("\n"); +} +function generateVertexExtensions(parameters) { + const chunks = [ + parameters.extensionClipCullDistance ? "#extension GL_ANGLE_clip_cull_distance : require" : "", + parameters.extensionMultiDraw ? "#extension GL_ANGLE_multi_draw : require" : "" + ]; + return chunks.filter(filterEmptyLine).join("\n"); +} +function generateDefines(defines) { + const chunks = []; + for (const name in defines) { + const value = defines[name]; + if (value === false) continue; + chunks.push("#define " + name + " " + value); + } + return chunks.join("\n"); +} +function fetchAttributeLocations(gl, program) { + const attributes = {}; + const n = gl.getProgramParameter(program, gl.ACTIVE_ATTRIBUTES); + for (let i = 0; i < n; i++) { + const info = gl.getActiveAttrib(program, i); + const name = info.name; + let locationSize = 1; + if (info.type === gl.FLOAT_MAT2) locationSize = 2; + if (info.type === gl.FLOAT_MAT3) locationSize = 3; + if (info.type === gl.FLOAT_MAT4) locationSize = 4; + attributes[name] = { + type: info.type, + location: gl.getAttribLocation(program, name), + locationSize + }; + } + return attributes; +} +function filterEmptyLine(string) { + return string !== ""; +} +function replaceLightNums(string, parameters) { + const numSpotLightCoords = parameters.numSpotLightShadows + parameters.numSpotLightMaps - parameters.numSpotLightShadowsWithMaps; + return string.replace(/NUM_DIR_LIGHTS/g, parameters.numDirLights).replace(/NUM_SPOT_LIGHTS/g, parameters.numSpotLights).replace(/NUM_SPOT_LIGHT_MAPS/g, parameters.numSpotLightMaps).replace(/NUM_SPOT_LIGHT_COORDS/g, numSpotLightCoords).replace(/NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g, parameters.numPointLights).replace(/NUM_HEMI_LIGHTS/g, parameters.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g, parameters.numSpotLightShadowsWithMaps).replace(/NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows); +} +function replaceClippingPlaneNums(string, parameters) { + return string.replace(/NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g, parameters.numClippingPlanes - parameters.numClipIntersection); +} +var includePattern = /^[ \t]*#include +<([\w\d./]+)>/gm; +function resolveIncludes(string) { + return string.replace(includePattern, includeReplacer); +} +var shaderChunkMap = /* @__PURE__ */ new Map(); +function includeReplacer(match, include) { + let string = ShaderChunk[include]; + if (string === void 0) { + const newInclude = shaderChunkMap.get(include); + if (newInclude !== void 0) { + string = ShaderChunk[newInclude]; + warn('WebGLRenderer: Shader chunk "%s" has been deprecated. Use "%s" instead.', include, newInclude); + } else { + throw new Error("Can not resolve #include <" + include + ">"); + } + } + return resolveIncludes(string); +} +var unrollLoopPattern = /#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g; +function unrollLoops(string) { + return string.replace(unrollLoopPattern, loopReplacer); +} +function loopReplacer(match, start, end, snippet) { + let string = ""; + for (let i = parseInt(start); i < parseInt(end); i++) { + string += snippet.replace(/\[\s*i\s*\]/g, "[ " + i + " ]").replace(/UNROLLED_LOOP_INDEX/g, i); + } + return string; +} +function generatePrecision(parameters) { + let precisionstring = `precision ${parameters.precision} float; + precision ${parameters.precision} int; + precision ${parameters.precision} sampler2D; + precision ${parameters.precision} samplerCube; + precision ${parameters.precision} sampler3D; + precision ${parameters.precision} sampler2DArray; + precision ${parameters.precision} sampler2DShadow; + precision ${parameters.precision} samplerCubeShadow; + precision ${parameters.precision} sampler2DArrayShadow; + precision ${parameters.precision} isampler2D; + precision ${parameters.precision} isampler3D; + precision ${parameters.precision} isamplerCube; + precision ${parameters.precision} isampler2DArray; + precision ${parameters.precision} usampler2D; + precision ${parameters.precision} usampler3D; + precision ${parameters.precision} usamplerCube; + precision ${parameters.precision} usampler2DArray; + `; + if (parameters.precision === "highp") { + precisionstring += "\n#define HIGH_PRECISION"; + } else if (parameters.precision === "mediump") { + precisionstring += "\n#define MEDIUM_PRECISION"; + } else if (parameters.precision === "lowp") { + precisionstring += "\n#define LOW_PRECISION"; + } + return precisionstring; +} +function generateShadowMapTypeDefine(parameters) { + let shadowMapTypeDefine = "SHADOWMAP_TYPE_BASIC"; + if (parameters.shadowMapType === PCFShadowMap) { + shadowMapTypeDefine = "SHADOWMAP_TYPE_PCF"; + } else if (parameters.shadowMapType === PCFSoftShadowMap) { + shadowMapTypeDefine = "SHADOWMAP_TYPE_PCF_SOFT"; + } else if (parameters.shadowMapType === VSMShadowMap) { + shadowMapTypeDefine = "SHADOWMAP_TYPE_VSM"; + } + return shadowMapTypeDefine; +} +function generateEnvMapTypeDefine(parameters) { + let envMapTypeDefine = "ENVMAP_TYPE_CUBE"; + if (parameters.envMap) { + switch (parameters.envMapMode) { + case CubeReflectionMapping: + case CubeRefractionMapping: + envMapTypeDefine = "ENVMAP_TYPE_CUBE"; + break; + case CubeUVReflectionMapping: + envMapTypeDefine = "ENVMAP_TYPE_CUBE_UV"; + break; + } + } + return envMapTypeDefine; +} +function generateEnvMapModeDefine(parameters) { + let envMapModeDefine = "ENVMAP_MODE_REFLECTION"; + if (parameters.envMap) { + switch (parameters.envMapMode) { + case CubeRefractionMapping: + envMapModeDefine = "ENVMAP_MODE_REFRACTION"; + break; + } + } + return envMapModeDefine; +} +function generateEnvMapBlendingDefine(parameters) { + let envMapBlendingDefine = "ENVMAP_BLENDING_NONE"; + if (parameters.envMap) { + switch (parameters.combine) { + case MultiplyOperation: + envMapBlendingDefine = "ENVMAP_BLENDING_MULTIPLY"; + break; + case MixOperation: + envMapBlendingDefine = "ENVMAP_BLENDING_MIX"; + break; + case AddOperation: + envMapBlendingDefine = "ENVMAP_BLENDING_ADD"; + break; + } + } + return envMapBlendingDefine; +} +function generateCubeUVSize(parameters) { + const imageHeight = parameters.envMapCubeUVHeight; + if (imageHeight === null) return null; + const maxMip = Math.log2(imageHeight) - 2; + const texelHeight = 1 / imageHeight; + const texelWidth = 1 / (3 * Math.max(Math.pow(2, maxMip), 7 * 16)); + return { texelWidth, texelHeight, maxMip }; +} +function WebGLProgram(renderer, cacheKey, parameters, bindingStates) { + const gl = renderer.getContext(); + const defines = parameters.defines; + let vertexShader = parameters.vertexShader; + let fragmentShader = parameters.fragmentShader; + const shadowMapTypeDefine = generateShadowMapTypeDefine(parameters); + const envMapTypeDefine = generateEnvMapTypeDefine(parameters); + const envMapModeDefine = generateEnvMapModeDefine(parameters); + const envMapBlendingDefine = generateEnvMapBlendingDefine(parameters); + const envMapCubeUVSize = generateCubeUVSize(parameters); + const customVertexExtensions = generateVertexExtensions(parameters); + const customDefines = generateDefines(defines); + const program = gl.createProgram(); + let prefixVertex, prefixFragment; + let versionString = parameters.glslVersion ? "#version " + parameters.glslVersion + "\n" : ""; + if (parameters.isRawShaderMaterial) { + prefixVertex = [ + "#define SHADER_TYPE " + parameters.shaderType, + "#define SHADER_NAME " + parameters.shaderName, + customDefines + ].filter(filterEmptyLine).join("\n"); + if (prefixVertex.length > 0) { + prefixVertex += "\n"; + } + prefixFragment = [ + "#define SHADER_TYPE " + parameters.shaderType, + "#define SHADER_NAME " + parameters.shaderName, + customDefines + ].filter(filterEmptyLine).join("\n"); + if (prefixFragment.length > 0) { + prefixFragment += "\n"; + } + } else { + prefixVertex = [ + generatePrecision(parameters), + "#define SHADER_TYPE " + parameters.shaderType, + "#define SHADER_NAME " + parameters.shaderName, + customDefines, + parameters.extensionClipCullDistance ? "#define USE_CLIP_DISTANCE" : "", + parameters.batching ? "#define USE_BATCHING" : "", + parameters.batchingColor ? "#define USE_BATCHING_COLOR" : "", + parameters.instancing ? "#define USE_INSTANCING" : "", + parameters.instancingColor ? "#define USE_INSTANCING_COLOR" : "", + parameters.instancingMorph ? "#define USE_INSTANCING_MORPH" : "", + parameters.useFog && parameters.fog ? "#define USE_FOG" : "", + parameters.useFog && parameters.fogExp2 ? "#define FOG_EXP2" : "", + parameters.map ? "#define USE_MAP" : "", + parameters.envMap ? "#define USE_ENVMAP" : "", + parameters.envMap ? "#define " + envMapModeDefine : "", + parameters.lightMap ? "#define USE_LIGHTMAP" : "", + parameters.aoMap ? "#define USE_AOMAP" : "", + parameters.bumpMap ? "#define USE_BUMPMAP" : "", + parameters.normalMap ? "#define USE_NORMALMAP" : "", + parameters.normalMapObjectSpace ? "#define USE_NORMALMAP_OBJECTSPACE" : "", + parameters.normalMapTangentSpace ? "#define USE_NORMALMAP_TANGENTSPACE" : "", + parameters.displacementMap ? "#define USE_DISPLACEMENTMAP" : "", + parameters.emissiveMap ? "#define USE_EMISSIVEMAP" : "", + parameters.anisotropy ? "#define USE_ANISOTROPY" : "", + parameters.anisotropyMap ? "#define USE_ANISOTROPYMAP" : "", + parameters.clearcoatMap ? "#define USE_CLEARCOATMAP" : "", + parameters.clearcoatRoughnessMap ? "#define USE_CLEARCOAT_ROUGHNESSMAP" : "", + parameters.clearcoatNormalMap ? "#define USE_CLEARCOAT_NORMALMAP" : "", + parameters.iridescenceMap ? "#define USE_IRIDESCENCEMAP" : "", + parameters.iridescenceThicknessMap ? "#define USE_IRIDESCENCE_THICKNESSMAP" : "", + parameters.specularMap ? "#define USE_SPECULARMAP" : "", + parameters.specularColorMap ? "#define USE_SPECULAR_COLORMAP" : "", + parameters.specularIntensityMap ? "#define USE_SPECULAR_INTENSITYMAP" : "", + parameters.roughnessMap ? "#define USE_ROUGHNESSMAP" : "", + parameters.metalnessMap ? "#define USE_METALNESSMAP" : "", + parameters.alphaMap ? "#define USE_ALPHAMAP" : "", + parameters.alphaHash ? "#define USE_ALPHAHASH" : "", + parameters.transmission ? "#define USE_TRANSMISSION" : "", + parameters.transmissionMap ? "#define USE_TRANSMISSIONMAP" : "", + parameters.thicknessMap ? "#define USE_THICKNESSMAP" : "", + parameters.sheenColorMap ? "#define USE_SHEEN_COLORMAP" : "", + parameters.sheenRoughnessMap ? "#define USE_SHEEN_ROUGHNESSMAP" : "", + // + parameters.mapUv ? "#define MAP_UV " + parameters.mapUv : "", + parameters.alphaMapUv ? "#define ALPHAMAP_UV " + parameters.alphaMapUv : "", + parameters.lightMapUv ? "#define LIGHTMAP_UV " + parameters.lightMapUv : "", + parameters.aoMapUv ? "#define AOMAP_UV " + parameters.aoMapUv : "", + parameters.emissiveMapUv ? "#define EMISSIVEMAP_UV " + parameters.emissiveMapUv : "", + parameters.bumpMapUv ? "#define BUMPMAP_UV " + parameters.bumpMapUv : "", + parameters.normalMapUv ? "#define NORMALMAP_UV " + parameters.normalMapUv : "", + parameters.displacementMapUv ? "#define DISPLACEMENTMAP_UV " + parameters.displacementMapUv : "", + parameters.metalnessMapUv ? "#define METALNESSMAP_UV " + parameters.metalnessMapUv : "", + parameters.roughnessMapUv ? "#define ROUGHNESSMAP_UV " + parameters.roughnessMapUv : "", + parameters.anisotropyMapUv ? "#define ANISOTROPYMAP_UV " + parameters.anisotropyMapUv : "", + parameters.clearcoatMapUv ? "#define CLEARCOATMAP_UV " + parameters.clearcoatMapUv : "", + parameters.clearcoatNormalMapUv ? "#define CLEARCOAT_NORMALMAP_UV " + parameters.clearcoatNormalMapUv : "", + parameters.clearcoatRoughnessMapUv ? "#define CLEARCOAT_ROUGHNESSMAP_UV " + parameters.clearcoatRoughnessMapUv : "", + parameters.iridescenceMapUv ? "#define IRIDESCENCEMAP_UV " + parameters.iridescenceMapUv : "", + parameters.iridescenceThicknessMapUv ? "#define IRIDESCENCE_THICKNESSMAP_UV " + parameters.iridescenceThicknessMapUv : "", + parameters.sheenColorMapUv ? "#define SHEEN_COLORMAP_UV " + parameters.sheenColorMapUv : "", + parameters.sheenRoughnessMapUv ? "#define SHEEN_ROUGHNESSMAP_UV " + parameters.sheenRoughnessMapUv : "", + parameters.specularMapUv ? "#define SPECULARMAP_UV " + parameters.specularMapUv : "", + parameters.specularColorMapUv ? "#define SPECULAR_COLORMAP_UV " + parameters.specularColorMapUv : "", + parameters.specularIntensityMapUv ? "#define SPECULAR_INTENSITYMAP_UV " + parameters.specularIntensityMapUv : "", + parameters.transmissionMapUv ? "#define TRANSMISSIONMAP_UV " + parameters.transmissionMapUv : "", + parameters.thicknessMapUv ? "#define THICKNESSMAP_UV " + parameters.thicknessMapUv : "", + // + parameters.vertexTangents && parameters.flatShading === false ? "#define USE_TANGENT" : "", + parameters.vertexColors ? "#define USE_COLOR" : "", + parameters.vertexAlphas ? "#define USE_COLOR_ALPHA" : "", + parameters.vertexUv1s ? "#define USE_UV1" : "", + parameters.vertexUv2s ? "#define USE_UV2" : "", + parameters.vertexUv3s ? "#define USE_UV3" : "", + parameters.pointsUvs ? "#define USE_POINTS_UV" : "", + parameters.flatShading ? "#define FLAT_SHADED" : "", + parameters.skinning ? "#define USE_SKINNING" : "", + parameters.morphTargets ? "#define USE_MORPHTARGETS" : "", + parameters.morphNormals && parameters.flatShading === false ? "#define USE_MORPHNORMALS" : "", + parameters.morphColors ? "#define USE_MORPHCOLORS" : "", + parameters.morphTargetsCount > 0 ? "#define MORPHTARGETS_TEXTURE_STRIDE " + parameters.morphTextureStride : "", + parameters.morphTargetsCount > 0 ? "#define MORPHTARGETS_COUNT " + parameters.morphTargetsCount : "", + parameters.doubleSided ? "#define DOUBLE_SIDED" : "", + parameters.flipSided ? "#define FLIP_SIDED" : "", + parameters.shadowMapEnabled ? "#define USE_SHADOWMAP" : "", + parameters.shadowMapEnabled ? "#define " + shadowMapTypeDefine : "", + parameters.sizeAttenuation ? "#define USE_SIZEATTENUATION" : "", + parameters.numLightProbes > 0 ? "#define USE_LIGHT_PROBES" : "", + parameters.logarithmicDepthBuffer ? "#define USE_LOGARITHMIC_DEPTH_BUFFER" : "", + parameters.reversedDepthBuffer ? "#define USE_REVERSED_DEPTH_BUFFER" : "", + "uniform mat4 modelMatrix;", + "uniform mat4 modelViewMatrix;", + "uniform mat4 projectionMatrix;", + "uniform mat4 viewMatrix;", + "uniform mat3 normalMatrix;", + "uniform vec3 cameraPosition;", + "uniform bool isOrthographic;", + "#ifdef USE_INSTANCING", + " attribute mat4 instanceMatrix;", + "#endif", + "#ifdef USE_INSTANCING_COLOR", + " attribute vec3 instanceColor;", + "#endif", + "#ifdef USE_INSTANCING_MORPH", + " uniform sampler2D morphTexture;", + "#endif", + "attribute vec3 position;", + "attribute vec3 normal;", + "attribute vec2 uv;", + "#ifdef USE_UV1", + " attribute vec2 uv1;", + "#endif", + "#ifdef USE_UV2", + " attribute vec2 uv2;", + "#endif", + "#ifdef USE_UV3", + " attribute vec2 uv3;", + "#endif", + "#ifdef USE_TANGENT", + " attribute vec4 tangent;", + "#endif", + "#if defined( USE_COLOR_ALPHA )", + " attribute vec4 color;", + "#elif defined( USE_COLOR )", + " attribute vec3 color;", + "#endif", + "#ifdef USE_SKINNING", + " attribute vec4 skinIndex;", + " attribute vec4 skinWeight;", + "#endif", + "\n" + ].filter(filterEmptyLine).join("\n"); + prefixFragment = [ + generatePrecision(parameters), + "#define SHADER_TYPE " + parameters.shaderType, + "#define SHADER_NAME " + parameters.shaderName, + customDefines, + parameters.useFog && parameters.fog ? "#define USE_FOG" : "", + parameters.useFog && parameters.fogExp2 ? "#define FOG_EXP2" : "", + parameters.alphaToCoverage ? "#define ALPHA_TO_COVERAGE" : "", + parameters.map ? "#define USE_MAP" : "", + parameters.matcap ? "#define USE_MATCAP" : "", + parameters.envMap ? "#define USE_ENVMAP" : "", + parameters.envMap ? "#define " + envMapTypeDefine : "", + parameters.envMap ? "#define " + envMapModeDefine : "", + parameters.envMap ? "#define " + envMapBlendingDefine : "", + envMapCubeUVSize ? "#define CUBEUV_TEXEL_WIDTH " + envMapCubeUVSize.texelWidth : "", + envMapCubeUVSize ? "#define CUBEUV_TEXEL_HEIGHT " + envMapCubeUVSize.texelHeight : "", + envMapCubeUVSize ? "#define CUBEUV_MAX_MIP " + envMapCubeUVSize.maxMip + ".0" : "", + parameters.lightMap ? "#define USE_LIGHTMAP" : "", + parameters.aoMap ? "#define USE_AOMAP" : "", + parameters.bumpMap ? "#define USE_BUMPMAP" : "", + parameters.normalMap ? "#define USE_NORMALMAP" : "", + parameters.normalMapObjectSpace ? "#define USE_NORMALMAP_OBJECTSPACE" : "", + parameters.normalMapTangentSpace ? "#define USE_NORMALMAP_TANGENTSPACE" : "", + parameters.emissiveMap ? "#define USE_EMISSIVEMAP" : "", + parameters.anisotropy ? "#define USE_ANISOTROPY" : "", + parameters.anisotropyMap ? "#define USE_ANISOTROPYMAP" : "", + parameters.clearcoat ? "#define USE_CLEARCOAT" : "", + parameters.clearcoatMap ? "#define USE_CLEARCOATMAP" : "", + parameters.clearcoatRoughnessMap ? "#define USE_CLEARCOAT_ROUGHNESSMAP" : "", + parameters.clearcoatNormalMap ? "#define USE_CLEARCOAT_NORMALMAP" : "", + parameters.dispersion ? "#define USE_DISPERSION" : "", + parameters.iridescence ? "#define USE_IRIDESCENCE" : "", + parameters.iridescenceMap ? "#define USE_IRIDESCENCEMAP" : "", + parameters.iridescenceThicknessMap ? "#define USE_IRIDESCENCE_THICKNESSMAP" : "", + parameters.specularMap ? "#define USE_SPECULARMAP" : "", + parameters.specularColorMap ? "#define USE_SPECULAR_COLORMAP" : "", + parameters.specularIntensityMap ? "#define USE_SPECULAR_INTENSITYMAP" : "", + parameters.roughnessMap ? "#define USE_ROUGHNESSMAP" : "", + parameters.metalnessMap ? "#define USE_METALNESSMAP" : "", + parameters.alphaMap ? "#define USE_ALPHAMAP" : "", + parameters.alphaTest ? "#define USE_ALPHATEST" : "", + parameters.alphaHash ? "#define USE_ALPHAHASH" : "", + parameters.sheen ? "#define USE_SHEEN" : "", + parameters.sheenColorMap ? "#define USE_SHEEN_COLORMAP" : "", + parameters.sheenRoughnessMap ? "#define USE_SHEEN_ROUGHNESSMAP" : "", + parameters.transmission ? "#define USE_TRANSMISSION" : "", + parameters.transmissionMap ? "#define USE_TRANSMISSIONMAP" : "", + parameters.thicknessMap ? "#define USE_THICKNESSMAP" : "", + parameters.vertexTangents && parameters.flatShading === false ? "#define USE_TANGENT" : "", + parameters.vertexColors || parameters.instancingColor || parameters.batchingColor ? "#define USE_COLOR" : "", + parameters.vertexAlphas ? "#define USE_COLOR_ALPHA" : "", + parameters.vertexUv1s ? "#define USE_UV1" : "", + parameters.vertexUv2s ? "#define USE_UV2" : "", + parameters.vertexUv3s ? "#define USE_UV3" : "", + parameters.pointsUvs ? "#define USE_POINTS_UV" : "", + parameters.gradientMap ? "#define USE_GRADIENTMAP" : "", + parameters.flatShading ? "#define FLAT_SHADED" : "", + parameters.doubleSided ? "#define DOUBLE_SIDED" : "", + parameters.flipSided ? "#define FLIP_SIDED" : "", + parameters.shadowMapEnabled ? "#define USE_SHADOWMAP" : "", + parameters.shadowMapEnabled ? "#define " + shadowMapTypeDefine : "", + parameters.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : "", + parameters.numLightProbes > 0 ? "#define USE_LIGHT_PROBES" : "", + parameters.decodeVideoTexture ? "#define DECODE_VIDEO_TEXTURE" : "", + parameters.decodeVideoTextureEmissive ? "#define DECODE_VIDEO_TEXTURE_EMISSIVE" : "", + parameters.logarithmicDepthBuffer ? "#define USE_LOGARITHMIC_DEPTH_BUFFER" : "", + parameters.reversedDepthBuffer ? "#define USE_REVERSED_DEPTH_BUFFER" : "", + "uniform mat4 viewMatrix;", + "uniform vec3 cameraPosition;", + "uniform bool isOrthographic;", + parameters.toneMapping !== NoToneMapping ? "#define TONE_MAPPING" : "", + parameters.toneMapping !== NoToneMapping ? ShaderChunk["tonemapping_pars_fragment"] : "", + // this code is required here because it is used by the toneMapping() function defined below + parameters.toneMapping !== NoToneMapping ? getToneMappingFunction("toneMapping", parameters.toneMapping) : "", + parameters.dithering ? "#define DITHERING" : "", + parameters.opaque ? "#define OPAQUE" : "", + ShaderChunk["colorspace_pars_fragment"], + // this code is required here because it is used by the various encoding/decoding function defined below + getTexelEncodingFunction("linearToOutputTexel", parameters.outputColorSpace), + getLuminanceFunction(), + parameters.useDepthPacking ? "#define DEPTH_PACKING " + parameters.depthPacking : "", + "\n" + ].filter(filterEmptyLine).join("\n"); + } + vertexShader = resolveIncludes(vertexShader); + vertexShader = replaceLightNums(vertexShader, parameters); + vertexShader = replaceClippingPlaneNums(vertexShader, parameters); + fragmentShader = resolveIncludes(fragmentShader); + fragmentShader = replaceLightNums(fragmentShader, parameters); + fragmentShader = replaceClippingPlaneNums(fragmentShader, parameters); + vertexShader = unrollLoops(vertexShader); + fragmentShader = unrollLoops(fragmentShader); + if (parameters.isRawShaderMaterial !== true) { + versionString = "#version 300 es\n"; + prefixVertex = [ + customVertexExtensions, + "#define attribute in", + "#define varying out", + "#define texture2D texture" + ].join("\n") + "\n" + prefixVertex; + prefixFragment = [ + "#define varying in", + parameters.glslVersion === GLSL3 ? "" : "layout(location = 0) out highp vec4 pc_fragColor;", + parameters.glslVersion === GLSL3 ? "" : "#define gl_FragColor pc_fragColor", + "#define gl_FragDepthEXT gl_FragDepth", + "#define texture2D texture", + "#define textureCube texture", + "#define texture2DProj textureProj", + "#define texture2DLodEXT textureLod", + "#define texture2DProjLodEXT textureProjLod", + "#define textureCubeLodEXT textureLod", + "#define texture2DGradEXT textureGrad", + "#define texture2DProjGradEXT textureProjGrad", + "#define textureCubeGradEXT textureGrad" + ].join("\n") + "\n" + prefixFragment; + } + const vertexGlsl = versionString + prefixVertex + vertexShader; + const fragmentGlsl = versionString + prefixFragment + fragmentShader; + const glVertexShader = WebGLShader(gl, gl.VERTEX_SHADER, vertexGlsl); + const glFragmentShader = WebGLShader(gl, gl.FRAGMENT_SHADER, fragmentGlsl); + gl.attachShader(program, glVertexShader); + gl.attachShader(program, glFragmentShader); + if (parameters.index0AttributeName !== void 0) { + gl.bindAttribLocation(program, 0, parameters.index0AttributeName); + } else if (parameters.morphTargets === true) { + gl.bindAttribLocation(program, 0, "position"); + } + gl.linkProgram(program); + function onFirstUse(self2) { + if (renderer.debug.checkShaderErrors) { + const programInfoLog = gl.getProgramInfoLog(program) || ""; + const vertexShaderInfoLog = gl.getShaderInfoLog(glVertexShader) || ""; + const fragmentShaderInfoLog = gl.getShaderInfoLog(glFragmentShader) || ""; + const programLog = programInfoLog.trim(); + const vertexLog = vertexShaderInfoLog.trim(); + const fragmentLog = fragmentShaderInfoLog.trim(); + let runnable = true; + let haveDiagnostics = true; + if (gl.getProgramParameter(program, gl.LINK_STATUS) === false) { + runnable = false; + if (typeof renderer.debug.onShaderError === "function") { + renderer.debug.onShaderError(gl, program, glVertexShader, glFragmentShader); + } else { + const vertexErrors = getShaderErrors(gl, glVertexShader, "vertex"); + const fragmentErrors = getShaderErrors(gl, glFragmentShader, "fragment"); + error( + "THREE.WebGLProgram: Shader Error " + gl.getError() + " - VALIDATE_STATUS " + gl.getProgramParameter(program, gl.VALIDATE_STATUS) + "\n\nMaterial Name: " + self2.name + "\nMaterial Type: " + self2.type + "\n\nProgram Info Log: " + programLog + "\n" + vertexErrors + "\n" + fragmentErrors + ); + } + } else if (programLog !== "") { + warn("WebGLProgram: Program Info Log:", programLog); + } else if (vertexLog === "" || fragmentLog === "") { + haveDiagnostics = false; + } + if (haveDiagnostics) { + self2.diagnostics = { + runnable, + programLog, + vertexShader: { + log: vertexLog, + prefix: prefixVertex + }, + fragmentShader: { + log: fragmentLog, + prefix: prefixFragment + } + }; + } + } + gl.deleteShader(glVertexShader); + gl.deleteShader(glFragmentShader); + cachedUniforms = new WebGLUniforms(gl, program); + cachedAttributes = fetchAttributeLocations(gl, program); + } + let cachedUniforms; + this.getUniforms = function() { + if (cachedUniforms === void 0) { + onFirstUse(this); + } + return cachedUniforms; + }; + let cachedAttributes; + this.getAttributes = function() { + if (cachedAttributes === void 0) { + onFirstUse(this); + } + return cachedAttributes; + }; + let programReady = parameters.rendererExtensionParallelShaderCompile === false; + this.isReady = function() { + if (programReady === false) { + programReady = gl.getProgramParameter(program, COMPLETION_STATUS_KHR); + } + return programReady; + }; + this.destroy = function() { + bindingStates.releaseStatesOfProgram(this); + gl.deleteProgram(program); + this.program = void 0; + }; + this.type = parameters.shaderType; + this.name = parameters.shaderName; + this.id = programIdCount++; + this.cacheKey = cacheKey; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; + return this; +} +var _id2 = 0; +var WebGLShaderCache = class { + constructor() { + this.shaderCache = /* @__PURE__ */ new Map(); + this.materialCache = /* @__PURE__ */ new Map(); + } + update(material) { + const vertexShader = material.vertexShader; + const fragmentShader = material.fragmentShader; + const vertexShaderStage = this._getShaderStage(vertexShader); + const fragmentShaderStage = this._getShaderStage(fragmentShader); + const materialShaders = this._getShaderCacheForMaterial(material); + if (materialShaders.has(vertexShaderStage) === false) { + materialShaders.add(vertexShaderStage); + vertexShaderStage.usedTimes++; + } + if (materialShaders.has(fragmentShaderStage) === false) { + materialShaders.add(fragmentShaderStage); + fragmentShaderStage.usedTimes++; + } + return this; + } + remove(material) { + const materialShaders = this.materialCache.get(material); + for (const shaderStage of materialShaders) { + shaderStage.usedTimes--; + if (shaderStage.usedTimes === 0) this.shaderCache.delete(shaderStage.code); + } + this.materialCache.delete(material); + return this; + } + getVertexShaderID(material) { + return this._getShaderStage(material.vertexShader).id; + } + getFragmentShaderID(material) { + return this._getShaderStage(material.fragmentShader).id; + } + dispose() { + this.shaderCache.clear(); + this.materialCache.clear(); + } + _getShaderCacheForMaterial(material) { + const cache = this.materialCache; + let set = cache.get(material); + if (set === void 0) { + set = /* @__PURE__ */ new Set(); + cache.set(material, set); + } + return set; + } + _getShaderStage(code) { + const cache = this.shaderCache; + let stage = cache.get(code); + if (stage === void 0) { + stage = new WebGLShaderStage(code); + cache.set(code, stage); + } + return stage; + } +}; +var WebGLShaderStage = class { + constructor(code) { + this.id = _id2++; + this.code = code; + this.usedTimes = 0; + } +}; +function WebGLPrograms(renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping) { + const _programLayers = new Layers(); + const _customShaders = new WebGLShaderCache(); + const _activeChannels = /* @__PURE__ */ new Set(); + const programs = []; + const logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer; + const SUPPORTS_VERTEX_TEXTURES = capabilities.vertexTextures; + let precision = capabilities.precision; + const shaderIDs = { + MeshDepthMaterial: "depth", + MeshDistanceMaterial: "distanceRGBA", + MeshNormalMaterial: "normal", + MeshBasicMaterial: "basic", + MeshLambertMaterial: "lambert", + MeshPhongMaterial: "phong", + MeshToonMaterial: "toon", + MeshStandardMaterial: "physical", + MeshPhysicalMaterial: "physical", + MeshMatcapMaterial: "matcap", + LineBasicMaterial: "basic", + LineDashedMaterial: "dashed", + PointsMaterial: "points", + ShadowMaterial: "shadow", + SpriteMaterial: "sprite" + }; + function getChannel(value) { + _activeChannels.add(value); + if (value === 0) return "uv"; + return `uv${value}`; + } + function getParameters(material, lights, shadows, scene, object) { + const fog = scene.fog; + const geometry = object.geometry; + const environment = material.isMeshStandardMaterial ? scene.environment : null; + const envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || environment); + const envMapCubeUVHeight = !!envMap && envMap.mapping === CubeUVReflectionMapping ? envMap.image.height : null; + const shaderID = shaderIDs[material.type]; + if (material.precision !== null) { + precision = capabilities.getMaxPrecision(material.precision); + if (precision !== material.precision) { + warn("WebGLProgram.getParameters:", material.precision, "not supported, using", precision, "instead."); + } + } + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = morphAttribute !== void 0 ? morphAttribute.length : 0; + let morphTextureStride = 0; + if (geometry.morphAttributes.position !== void 0) morphTextureStride = 1; + if (geometry.morphAttributes.normal !== void 0) morphTextureStride = 2; + if (geometry.morphAttributes.color !== void 0) morphTextureStride = 3; + let vertexShader, fragmentShader; + let customVertexShaderID, customFragmentShaderID; + if (shaderID) { + const shader = ShaderLib[shaderID]; + vertexShader = shader.vertexShader; + fragmentShader = shader.fragmentShader; + } else { + vertexShader = material.vertexShader; + fragmentShader = material.fragmentShader; + _customShaders.update(material); + customVertexShaderID = _customShaders.getVertexShaderID(material); + customFragmentShaderID = _customShaders.getFragmentShaderID(material); + } + const currentRenderTarget = renderer.getRenderTarget(); + const reversedDepthBuffer = renderer.state.buffers.depth.getReversed(); + const IS_INSTANCEDMESH = object.isInstancedMesh === true; + const IS_BATCHEDMESH = object.isBatchedMesh === true; + const HAS_MAP = !!material.map; + const HAS_MATCAP = !!material.matcap; + const HAS_ENVMAP = !!envMap; + const HAS_AOMAP = !!material.aoMap; + const HAS_LIGHTMAP = !!material.lightMap; + const HAS_BUMPMAP = !!material.bumpMap; + const HAS_NORMALMAP = !!material.normalMap; + const HAS_DISPLACEMENTMAP = !!material.displacementMap; + const HAS_EMISSIVEMAP = !!material.emissiveMap; + const HAS_METALNESSMAP = !!material.metalnessMap; + const HAS_ROUGHNESSMAP = !!material.roughnessMap; + const HAS_ANISOTROPY = material.anisotropy > 0; + const HAS_CLEARCOAT = material.clearcoat > 0; + const HAS_DISPERSION = material.dispersion > 0; + const HAS_IRIDESCENCE = material.iridescence > 0; + const HAS_SHEEN = material.sheen > 0; + const HAS_TRANSMISSION = material.transmission > 0; + const HAS_ANISOTROPYMAP = HAS_ANISOTROPY && !!material.anisotropyMap; + const HAS_CLEARCOATMAP = HAS_CLEARCOAT && !!material.clearcoatMap; + const HAS_CLEARCOAT_NORMALMAP = HAS_CLEARCOAT && !!material.clearcoatNormalMap; + const HAS_CLEARCOAT_ROUGHNESSMAP = HAS_CLEARCOAT && !!material.clearcoatRoughnessMap; + const HAS_IRIDESCENCEMAP = HAS_IRIDESCENCE && !!material.iridescenceMap; + const HAS_IRIDESCENCE_THICKNESSMAP = HAS_IRIDESCENCE && !!material.iridescenceThicknessMap; + const HAS_SHEEN_COLORMAP = HAS_SHEEN && !!material.sheenColorMap; + const HAS_SHEEN_ROUGHNESSMAP = HAS_SHEEN && !!material.sheenRoughnessMap; + const HAS_SPECULARMAP = !!material.specularMap; + const HAS_SPECULAR_COLORMAP = !!material.specularColorMap; + const HAS_SPECULAR_INTENSITYMAP = !!material.specularIntensityMap; + const HAS_TRANSMISSIONMAP = HAS_TRANSMISSION && !!material.transmissionMap; + const HAS_THICKNESSMAP = HAS_TRANSMISSION && !!material.thicknessMap; + const HAS_GRADIENTMAP = !!material.gradientMap; + const HAS_ALPHAMAP = !!material.alphaMap; + const HAS_ALPHATEST = material.alphaTest > 0; + const HAS_ALPHAHASH = !!material.alphaHash; + const HAS_EXTENSIONS = !!material.extensions; + let toneMapping = NoToneMapping; + if (material.toneMapped) { + if (currentRenderTarget === null || currentRenderTarget.isXRRenderTarget === true) { + toneMapping = renderer.toneMapping; + } + } + const parameters = { + shaderID, + shaderType: material.type, + shaderName: material.name, + vertexShader, + fragmentShader, + defines: material.defines, + customVertexShaderID, + customFragmentShaderID, + isRawShaderMaterial: material.isRawShaderMaterial === true, + glslVersion: material.glslVersion, + precision, + batching: IS_BATCHEDMESH, + batchingColor: IS_BATCHEDMESH && object._colorsTexture !== null, + instancing: IS_INSTANCEDMESH, + instancingColor: IS_INSTANCEDMESH && object.instanceColor !== null, + instancingMorph: IS_INSTANCEDMESH && object.morphTexture !== null, + supportsVertexTextures: SUPPORTS_VERTEX_TEXTURES, + outputColorSpace: currentRenderTarget === null ? renderer.outputColorSpace : currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace, + alphaToCoverage: !!material.alphaToCoverage, + map: HAS_MAP, + matcap: HAS_MATCAP, + envMap: HAS_ENVMAP, + envMapMode: HAS_ENVMAP && envMap.mapping, + envMapCubeUVHeight, + aoMap: HAS_AOMAP, + lightMap: HAS_LIGHTMAP, + bumpMap: HAS_BUMPMAP, + normalMap: HAS_NORMALMAP, + displacementMap: SUPPORTS_VERTEX_TEXTURES && HAS_DISPLACEMENTMAP, + emissiveMap: HAS_EMISSIVEMAP, + normalMapObjectSpace: HAS_NORMALMAP && material.normalMapType === ObjectSpaceNormalMap, + normalMapTangentSpace: HAS_NORMALMAP && material.normalMapType === TangentSpaceNormalMap, + metalnessMap: HAS_METALNESSMAP, + roughnessMap: HAS_ROUGHNESSMAP, + anisotropy: HAS_ANISOTROPY, + anisotropyMap: HAS_ANISOTROPYMAP, + clearcoat: HAS_CLEARCOAT, + clearcoatMap: HAS_CLEARCOATMAP, + clearcoatNormalMap: HAS_CLEARCOAT_NORMALMAP, + clearcoatRoughnessMap: HAS_CLEARCOAT_ROUGHNESSMAP, + dispersion: HAS_DISPERSION, + iridescence: HAS_IRIDESCENCE, + iridescenceMap: HAS_IRIDESCENCEMAP, + iridescenceThicknessMap: HAS_IRIDESCENCE_THICKNESSMAP, + sheen: HAS_SHEEN, + sheenColorMap: HAS_SHEEN_COLORMAP, + sheenRoughnessMap: HAS_SHEEN_ROUGHNESSMAP, + specularMap: HAS_SPECULARMAP, + specularColorMap: HAS_SPECULAR_COLORMAP, + specularIntensityMap: HAS_SPECULAR_INTENSITYMAP, + transmission: HAS_TRANSMISSION, + transmissionMap: HAS_TRANSMISSIONMAP, + thicknessMap: HAS_THICKNESSMAP, + gradientMap: HAS_GRADIENTMAP, + opaque: material.transparent === false && material.blending === NormalBlending && material.alphaToCoverage === false, + alphaMap: HAS_ALPHAMAP, + alphaTest: HAS_ALPHATEST, + alphaHash: HAS_ALPHAHASH, + combine: material.combine, + // + mapUv: HAS_MAP && getChannel(material.map.channel), + aoMapUv: HAS_AOMAP && getChannel(material.aoMap.channel), + lightMapUv: HAS_LIGHTMAP && getChannel(material.lightMap.channel), + bumpMapUv: HAS_BUMPMAP && getChannel(material.bumpMap.channel), + normalMapUv: HAS_NORMALMAP && getChannel(material.normalMap.channel), + displacementMapUv: HAS_DISPLACEMENTMAP && getChannel(material.displacementMap.channel), + emissiveMapUv: HAS_EMISSIVEMAP && getChannel(material.emissiveMap.channel), + metalnessMapUv: HAS_METALNESSMAP && getChannel(material.metalnessMap.channel), + roughnessMapUv: HAS_ROUGHNESSMAP && getChannel(material.roughnessMap.channel), + anisotropyMapUv: HAS_ANISOTROPYMAP && getChannel(material.anisotropyMap.channel), + clearcoatMapUv: HAS_CLEARCOATMAP && getChannel(material.clearcoatMap.channel), + clearcoatNormalMapUv: HAS_CLEARCOAT_NORMALMAP && getChannel(material.clearcoatNormalMap.channel), + clearcoatRoughnessMapUv: HAS_CLEARCOAT_ROUGHNESSMAP && getChannel(material.clearcoatRoughnessMap.channel), + iridescenceMapUv: HAS_IRIDESCENCEMAP && getChannel(material.iridescenceMap.channel), + iridescenceThicknessMapUv: HAS_IRIDESCENCE_THICKNESSMAP && getChannel(material.iridescenceThicknessMap.channel), + sheenColorMapUv: HAS_SHEEN_COLORMAP && getChannel(material.sheenColorMap.channel), + sheenRoughnessMapUv: HAS_SHEEN_ROUGHNESSMAP && getChannel(material.sheenRoughnessMap.channel), + specularMapUv: HAS_SPECULARMAP && getChannel(material.specularMap.channel), + specularColorMapUv: HAS_SPECULAR_COLORMAP && getChannel(material.specularColorMap.channel), + specularIntensityMapUv: HAS_SPECULAR_INTENSITYMAP && getChannel(material.specularIntensityMap.channel), + transmissionMapUv: HAS_TRANSMISSIONMAP && getChannel(material.transmissionMap.channel), + thicknessMapUv: HAS_THICKNESSMAP && getChannel(material.thicknessMap.channel), + alphaMapUv: HAS_ALPHAMAP && getChannel(material.alphaMap.channel), + // + vertexTangents: !!geometry.attributes.tangent && (HAS_NORMALMAP || HAS_ANISOTROPY), + vertexColors: material.vertexColors, + vertexAlphas: material.vertexColors === true && !!geometry.attributes.color && geometry.attributes.color.itemSize === 4, + pointsUvs: object.isPoints === true && !!geometry.attributes.uv && (HAS_MAP || HAS_ALPHAMAP), + fog: !!fog, + useFog: material.fog === true, + fogExp2: !!fog && fog.isFogExp2, + flatShading: material.flatShading === true && material.wireframe === false, + sizeAttenuation: material.sizeAttenuation === true, + logarithmicDepthBuffer, + reversedDepthBuffer, + skinning: object.isSkinnedMesh === true, + morphTargets: geometry.morphAttributes.position !== void 0, + morphNormals: geometry.morphAttributes.normal !== void 0, + morphColors: geometry.morphAttributes.color !== void 0, + morphTargetsCount, + morphTextureStride, + numDirLights: lights.directional.length, + numPointLights: lights.point.length, + numSpotLights: lights.spot.length, + numSpotLightMaps: lights.spotLightMap.length, + numRectAreaLights: lights.rectArea.length, + numHemiLights: lights.hemi.length, + numDirLightShadows: lights.directionalShadowMap.length, + numPointLightShadows: lights.pointShadowMap.length, + numSpotLightShadows: lights.spotShadowMap.length, + numSpotLightShadowsWithMaps: lights.numSpotLightShadowsWithMaps, + numLightProbes: lights.numLightProbes, + numClippingPlanes: clipping.numPlanes, + numClipIntersection: clipping.numIntersection, + dithering: material.dithering, + shadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0, + shadowMapType: renderer.shadowMap.type, + toneMapping, + decodeVideoTexture: HAS_MAP && material.map.isVideoTexture === true && ColorManagement.getTransfer(material.map.colorSpace) === SRGBTransfer, + decodeVideoTextureEmissive: HAS_EMISSIVEMAP && material.emissiveMap.isVideoTexture === true && ColorManagement.getTransfer(material.emissiveMap.colorSpace) === SRGBTransfer, + premultipliedAlpha: material.premultipliedAlpha, + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, + useDepthPacking: material.depthPacking >= 0, + depthPacking: material.depthPacking || 0, + index0AttributeName: material.index0AttributeName, + extensionClipCullDistance: HAS_EXTENSIONS && material.extensions.clipCullDistance === true && extensions.has("WEBGL_clip_cull_distance"), + extensionMultiDraw: (HAS_EXTENSIONS && material.extensions.multiDraw === true || IS_BATCHEDMESH) && extensions.has("WEBGL_multi_draw"), + rendererExtensionParallelShaderCompile: extensions.has("KHR_parallel_shader_compile"), + customProgramCacheKey: material.customProgramCacheKey() + }; + parameters.vertexUv1s = _activeChannels.has(1); + parameters.vertexUv2s = _activeChannels.has(2); + parameters.vertexUv3s = _activeChannels.has(3); + _activeChannels.clear(); + return parameters; + } + function getProgramCacheKey(parameters) { + const array = []; + if (parameters.shaderID) { + array.push(parameters.shaderID); + } else { + array.push(parameters.customVertexShaderID); + array.push(parameters.customFragmentShaderID); + } + if (parameters.defines !== void 0) { + for (const name in parameters.defines) { + array.push(name); + array.push(parameters.defines[name]); + } + } + if (parameters.isRawShaderMaterial === false) { + getProgramCacheKeyParameters(array, parameters); + getProgramCacheKeyBooleans(array, parameters); + array.push(renderer.outputColorSpace); + } + array.push(parameters.customProgramCacheKey); + return array.join(); + } + function getProgramCacheKeyParameters(array, parameters) { + array.push(parameters.precision); + array.push(parameters.outputColorSpace); + array.push(parameters.envMapMode); + array.push(parameters.envMapCubeUVHeight); + array.push(parameters.mapUv); + array.push(parameters.alphaMapUv); + array.push(parameters.lightMapUv); + array.push(parameters.aoMapUv); + array.push(parameters.bumpMapUv); + array.push(parameters.normalMapUv); + array.push(parameters.displacementMapUv); + array.push(parameters.emissiveMapUv); + array.push(parameters.metalnessMapUv); + array.push(parameters.roughnessMapUv); + array.push(parameters.anisotropyMapUv); + array.push(parameters.clearcoatMapUv); + array.push(parameters.clearcoatNormalMapUv); + array.push(parameters.clearcoatRoughnessMapUv); + array.push(parameters.iridescenceMapUv); + array.push(parameters.iridescenceThicknessMapUv); + array.push(parameters.sheenColorMapUv); + array.push(parameters.sheenRoughnessMapUv); + array.push(parameters.specularMapUv); + array.push(parameters.specularColorMapUv); + array.push(parameters.specularIntensityMapUv); + array.push(parameters.transmissionMapUv); + array.push(parameters.thicknessMapUv); + array.push(parameters.combine); + array.push(parameters.fogExp2); + array.push(parameters.sizeAttenuation); + array.push(parameters.morphTargetsCount); + array.push(parameters.morphAttributeCount); + array.push(parameters.numDirLights); + array.push(parameters.numPointLights); + array.push(parameters.numSpotLights); + array.push(parameters.numSpotLightMaps); + array.push(parameters.numHemiLights); + array.push(parameters.numRectAreaLights); + array.push(parameters.numDirLightShadows); + array.push(parameters.numPointLightShadows); + array.push(parameters.numSpotLightShadows); + array.push(parameters.numSpotLightShadowsWithMaps); + array.push(parameters.numLightProbes); + array.push(parameters.shadowMapType); + array.push(parameters.toneMapping); + array.push(parameters.numClippingPlanes); + array.push(parameters.numClipIntersection); + array.push(parameters.depthPacking); + } + function getProgramCacheKeyBooleans(array, parameters) { + _programLayers.disableAll(); + if (parameters.supportsVertexTextures) + _programLayers.enable(0); + if (parameters.instancing) + _programLayers.enable(1); + if (parameters.instancingColor) + _programLayers.enable(2); + if (parameters.instancingMorph) + _programLayers.enable(3); + if (parameters.matcap) + _programLayers.enable(4); + if (parameters.envMap) + _programLayers.enable(5); + if (parameters.normalMapObjectSpace) + _programLayers.enable(6); + if (parameters.normalMapTangentSpace) + _programLayers.enable(7); + if (parameters.clearcoat) + _programLayers.enable(8); + if (parameters.iridescence) + _programLayers.enable(9); + if (parameters.alphaTest) + _programLayers.enable(10); + if (parameters.vertexColors) + _programLayers.enable(11); + if (parameters.vertexAlphas) + _programLayers.enable(12); + if (parameters.vertexUv1s) + _programLayers.enable(13); + if (parameters.vertexUv2s) + _programLayers.enable(14); + if (parameters.vertexUv3s) + _programLayers.enable(15); + if (parameters.vertexTangents) + _programLayers.enable(16); + if (parameters.anisotropy) + _programLayers.enable(17); + if (parameters.alphaHash) + _programLayers.enable(18); + if (parameters.batching) + _programLayers.enable(19); + if (parameters.dispersion) + _programLayers.enable(20); + if (parameters.batchingColor) + _programLayers.enable(21); + if (parameters.gradientMap) + _programLayers.enable(22); + array.push(_programLayers.mask); + _programLayers.disableAll(); + if (parameters.fog) + _programLayers.enable(0); + if (parameters.useFog) + _programLayers.enable(1); + if (parameters.flatShading) + _programLayers.enable(2); + if (parameters.logarithmicDepthBuffer) + _programLayers.enable(3); + if (parameters.reversedDepthBuffer) + _programLayers.enable(4); + if (parameters.skinning) + _programLayers.enable(5); + if (parameters.morphTargets) + _programLayers.enable(6); + if (parameters.morphNormals) + _programLayers.enable(7); + if (parameters.morphColors) + _programLayers.enable(8); + if (parameters.premultipliedAlpha) + _programLayers.enable(9); + if (parameters.shadowMapEnabled) + _programLayers.enable(10); + if (parameters.doubleSided) + _programLayers.enable(11); + if (parameters.flipSided) + _programLayers.enable(12); + if (parameters.useDepthPacking) + _programLayers.enable(13); + if (parameters.dithering) + _programLayers.enable(14); + if (parameters.transmission) + _programLayers.enable(15); + if (parameters.sheen) + _programLayers.enable(16); + if (parameters.opaque) + _programLayers.enable(17); + if (parameters.pointsUvs) + _programLayers.enable(18); + if (parameters.decodeVideoTexture) + _programLayers.enable(19); + if (parameters.decodeVideoTextureEmissive) + _programLayers.enable(20); + if (parameters.alphaToCoverage) + _programLayers.enable(21); + array.push(_programLayers.mask); + } + function getUniforms(material) { + const shaderID = shaderIDs[material.type]; + let uniforms; + if (shaderID) { + const shader = ShaderLib[shaderID]; + uniforms = UniformsUtils.clone(shader.uniforms); + } else { + uniforms = material.uniforms; + } + return uniforms; + } + function acquireProgram(parameters, cacheKey) { + let program; + for (let p = 0, pl = programs.length; p < pl; p++) { + const preexistingProgram = programs[p]; + if (preexistingProgram.cacheKey === cacheKey) { + program = preexistingProgram; + ++program.usedTimes; + break; + } + } + if (program === void 0) { + program = new WebGLProgram(renderer, cacheKey, parameters, bindingStates); + programs.push(program); + } + return program; + } + function releaseProgram(program) { + if (--program.usedTimes === 0) { + const i = programs.indexOf(program); + programs[i] = programs[programs.length - 1]; + programs.pop(); + program.destroy(); + } + } + function releaseShaderCache(material) { + _customShaders.remove(material); + } + function dispose() { + _customShaders.dispose(); + } + return { + getParameters, + getProgramCacheKey, + getUniforms, + acquireProgram, + releaseProgram, + releaseShaderCache, + // Exposed for resource monitoring & error feedback via renderer.info: + programs, + dispose + }; +} +function WebGLProperties() { + let properties = /* @__PURE__ */ new WeakMap(); + function has(object) { + return properties.has(object); + } + function get(object) { + let map = properties.get(object); + if (map === void 0) { + map = {}; + properties.set(object, map); + } + return map; + } + function remove(object) { + properties.delete(object); + } + function update(object, key, value) { + properties.get(object)[key] = value; + } + function dispose() { + properties = /* @__PURE__ */ new WeakMap(); + } + return { + has, + get, + remove, + update, + dispose + }; +} +function painterSortStable(a, b) { + if (a.groupOrder !== b.groupOrder) { + return a.groupOrder - b.groupOrder; + } else if (a.renderOrder !== b.renderOrder) { + return a.renderOrder - b.renderOrder; + } else if (a.material.id !== b.material.id) { + return a.material.id - b.material.id; + } else if (a.z !== b.z) { + return a.z - b.z; + } else { + return a.id - b.id; + } +} +function reversePainterSortStable(a, b) { + if (a.groupOrder !== b.groupOrder) { + return a.groupOrder - b.groupOrder; + } else if (a.renderOrder !== b.renderOrder) { + return a.renderOrder - b.renderOrder; + } else if (a.z !== b.z) { + return b.z - a.z; + } else { + return a.id - b.id; + } +} +function WebGLRenderList() { + const renderItems = []; + let renderItemsIndex = 0; + const opaque = []; + const transmissive = []; + const transparent = []; + function init() { + renderItemsIndex = 0; + opaque.length = 0; + transmissive.length = 0; + transparent.length = 0; + } + function getNextRenderItem(object, geometry, material, groupOrder, z, group) { + let renderItem = renderItems[renderItemsIndex]; + if (renderItem === void 0) { + renderItem = { + id: object.id, + object, + geometry, + material, + groupOrder, + renderOrder: object.renderOrder, + z, + group + }; + renderItems[renderItemsIndex] = renderItem; + } else { + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.groupOrder = groupOrder; + renderItem.renderOrder = object.renderOrder; + renderItem.z = z; + renderItem.group = group; + } + renderItemsIndex++; + return renderItem; + } + function push(object, geometry, material, groupOrder, z, group) { + const renderItem = getNextRenderItem(object, geometry, material, groupOrder, z, group); + if (material.transmission > 0) { + transmissive.push(renderItem); + } else if (material.transparent === true) { + transparent.push(renderItem); + } else { + opaque.push(renderItem); + } + } + function unshift(object, geometry, material, groupOrder, z, group) { + const renderItem = getNextRenderItem(object, geometry, material, groupOrder, z, group); + if (material.transmission > 0) { + transmissive.unshift(renderItem); + } else if (material.transparent === true) { + transparent.unshift(renderItem); + } else { + opaque.unshift(renderItem); + } + } + function sort(customOpaqueSort, customTransparentSort) { + if (opaque.length > 1) opaque.sort(customOpaqueSort || painterSortStable); + if (transmissive.length > 1) transmissive.sort(customTransparentSort || reversePainterSortStable); + if (transparent.length > 1) transparent.sort(customTransparentSort || reversePainterSortStable); + } + function finish() { + for (let i = renderItemsIndex, il = renderItems.length; i < il; i++) { + const renderItem = renderItems[i]; + if (renderItem.id === null) break; + renderItem.id = null; + renderItem.object = null; + renderItem.geometry = null; + renderItem.material = null; + renderItem.group = null; + } + } + return { + opaque, + transmissive, + transparent, + init, + push, + unshift, + finish, + sort + }; +} +function WebGLRenderLists() { + let lists = /* @__PURE__ */ new WeakMap(); + function get(scene, renderCallDepth) { + const listArray = lists.get(scene); + let list; + if (listArray === void 0) { + list = new WebGLRenderList(); + lists.set(scene, [list]); + } else { + if (renderCallDepth >= listArray.length) { + list = new WebGLRenderList(); + listArray.push(list); + } else { + list = listArray[renderCallDepth]; + } + } + return list; + } + function dispose() { + lists = /* @__PURE__ */ new WeakMap(); + } + return { + get, + dispose + }; +} +function UniformsCache() { + const lights = {}; + return { + get: function(light) { + if (lights[light.id] !== void 0) { + return lights[light.id]; + } + let uniforms; + switch (light.type) { + case "DirectionalLight": + uniforms = { + direction: new Vector3(), + color: new Color() + }; + break; + case "SpotLight": + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0 + }; + break; + case "PointLight": + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0 + }; + break; + case "HemisphereLight": + uniforms = { + direction: new Vector3(), + skyColor: new Color(), + groundColor: new Color() + }; + break; + case "RectAreaLight": + uniforms = { + color: new Color(), + position: new Vector3(), + halfWidth: new Vector3(), + halfHeight: new Vector3() + }; + break; + } + lights[light.id] = uniforms; + return uniforms; + } + }; +} +function ShadowUniformsCache() { + const lights = {}; + return { + get: function(light) { + if (lights[light.id] !== void 0) { + return lights[light.id]; + } + let uniforms; + switch (light.type) { + case "DirectionalLight": + uniforms = { + shadowIntensity: 1, + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + case "SpotLight": + uniforms = { + shadowIntensity: 1, + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + case "PointLight": + uniforms = { + shadowIntensity: 1, + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2(), + shadowCameraNear: 1, + shadowCameraFar: 1e3 + }; + break; + } + lights[light.id] = uniforms; + return uniforms; + } + }; +} +var nextVersion = 0; +function shadowCastingAndTexturingLightsFirst(lightA, lightB) { + return (lightB.castShadow ? 2 : 0) - (lightA.castShadow ? 2 : 0) + (lightB.map ? 1 : 0) - (lightA.map ? 1 : 0); +} +function WebGLLights(extensions) { + const cache = new UniformsCache(); + const shadowCache = ShadowUniformsCache(); + const state = { + version: 0, + hash: { + directionalLength: -1, + pointLength: -1, + spotLength: -1, + rectAreaLength: -1, + hemiLength: -1, + numDirectionalShadows: -1, + numPointShadows: -1, + numSpotShadows: -1, + numSpotMaps: -1, + numLightProbes: -1 + }, + ambient: [0, 0, 0], + probe: [], + directional: [], + directionalShadow: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotLightMap: [], + spotShadow: [], + spotShadowMap: [], + spotLightMatrix: [], + rectArea: [], + rectAreaLTC1: null, + rectAreaLTC2: null, + point: [], + pointShadow: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [], + numSpotLightShadowsWithMaps: 0, + numLightProbes: 0 + }; + for (let i = 0; i < 9; i++) state.probe.push(new Vector3()); + const vector3 = new Vector3(); + const matrix4 = new Matrix4(); + const matrix42 = new Matrix4(); + function setup(lights) { + let r = 0, g = 0, b = 0; + for (let i = 0; i < 9; i++) state.probe[i].set(0, 0, 0); + let directionalLength = 0; + let pointLength = 0; + let spotLength = 0; + let rectAreaLength = 0; + let hemiLength = 0; + let numDirectionalShadows = 0; + let numPointShadows = 0; + let numSpotShadows = 0; + let numSpotMaps = 0; + let numSpotShadowsWithMaps = 0; + let numLightProbes = 0; + lights.sort(shadowCastingAndTexturingLightsFirst); + for (let i = 0, l = lights.length; i < l; i++) { + const light = lights[i]; + const color = light.color; + const intensity = light.intensity; + const distance = light.distance; + const shadowMap = light.shadow && light.shadow.map ? light.shadow.map.texture : null; + if (light.isAmbientLight) { + r += color.r * intensity; + g += color.g * intensity; + b += color.b * intensity; + } else if (light.isLightProbe) { + for (let j = 0; j < 9; j++) { + state.probe[j].addScaledVector(light.sh.coefficients[j], intensity); + } + numLightProbes++; + } else if (light.isDirectionalLight) { + const uniforms = cache.get(light); + uniforms.color.copy(light.color).multiplyScalar(light.intensity); + if (light.castShadow) { + const shadow = light.shadow; + const shadowUniforms = shadowCache.get(light); + shadowUniforms.shadowIntensity = shadow.intensity; + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + state.directionalShadow[directionalLength] = shadowUniforms; + state.directionalShadowMap[directionalLength] = shadowMap; + state.directionalShadowMatrix[directionalLength] = light.shadow.matrix; + numDirectionalShadows++; + } + state.directional[directionalLength] = uniforms; + directionalLength++; + } else if (light.isSpotLight) { + const uniforms = cache.get(light); + uniforms.position.setFromMatrixPosition(light.matrixWorld); + uniforms.color.copy(color).multiplyScalar(intensity); + uniforms.distance = distance; + uniforms.coneCos = Math.cos(light.angle); + uniforms.penumbraCos = Math.cos(light.angle * (1 - light.penumbra)); + uniforms.decay = light.decay; + state.spot[spotLength] = uniforms; + const shadow = light.shadow; + if (light.map) { + state.spotLightMap[numSpotMaps] = light.map; + numSpotMaps++; + shadow.updateMatrices(light); + if (light.castShadow) numSpotShadowsWithMaps++; + } + state.spotLightMatrix[spotLength] = shadow.matrix; + if (light.castShadow) { + const shadowUniforms = shadowCache.get(light); + shadowUniforms.shadowIntensity = shadow.intensity; + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + state.spotShadow[spotLength] = shadowUniforms; + state.spotShadowMap[spotLength] = shadowMap; + numSpotShadows++; + } + spotLength++; + } else if (light.isRectAreaLight) { + const uniforms = cache.get(light); + uniforms.color.copy(color).multiplyScalar(intensity); + uniforms.halfWidth.set(light.width * 0.5, 0, 0); + uniforms.halfHeight.set(0, light.height * 0.5, 0); + state.rectArea[rectAreaLength] = uniforms; + rectAreaLength++; + } else if (light.isPointLight) { + const uniforms = cache.get(light); + uniforms.color.copy(light.color).multiplyScalar(light.intensity); + uniforms.distance = light.distance; + uniforms.decay = light.decay; + if (light.castShadow) { + const shadow = light.shadow; + const shadowUniforms = shadowCache.get(light); + shadowUniforms.shadowIntensity = shadow.intensity; + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + shadowUniforms.shadowCameraNear = shadow.camera.near; + shadowUniforms.shadowCameraFar = shadow.camera.far; + state.pointShadow[pointLength] = shadowUniforms; + state.pointShadowMap[pointLength] = shadowMap; + state.pointShadowMatrix[pointLength] = light.shadow.matrix; + numPointShadows++; + } + state.point[pointLength] = uniforms; + pointLength++; + } else if (light.isHemisphereLight) { + const uniforms = cache.get(light); + uniforms.skyColor.copy(light.color).multiplyScalar(intensity); + uniforms.groundColor.copy(light.groundColor).multiplyScalar(intensity); + state.hemi[hemiLength] = uniforms; + hemiLength++; + } + } + if (rectAreaLength > 0) { + if (extensions.has("OES_texture_float_linear") === true) { + state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1; + state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2; + } else { + state.rectAreaLTC1 = UniformsLib.LTC_HALF_1; + state.rectAreaLTC2 = UniformsLib.LTC_HALF_2; + } + } + state.ambient[0] = r; + state.ambient[1] = g; + state.ambient[2] = b; + const hash = state.hash; + if (hash.directionalLength !== directionalLength || hash.pointLength !== pointLength || hash.spotLength !== spotLength || hash.rectAreaLength !== rectAreaLength || hash.hemiLength !== hemiLength || hash.numDirectionalShadows !== numDirectionalShadows || hash.numPointShadows !== numPointShadows || hash.numSpotShadows !== numSpotShadows || hash.numSpotMaps !== numSpotMaps || hash.numLightProbes !== numLightProbes) { + state.directional.length = directionalLength; + state.spot.length = spotLength; + state.rectArea.length = rectAreaLength; + state.point.length = pointLength; + state.hemi.length = hemiLength; + state.directionalShadow.length = numDirectionalShadows; + state.directionalShadowMap.length = numDirectionalShadows; + state.pointShadow.length = numPointShadows; + state.pointShadowMap.length = numPointShadows; + state.spotShadow.length = numSpotShadows; + state.spotShadowMap.length = numSpotShadows; + state.directionalShadowMatrix.length = numDirectionalShadows; + state.pointShadowMatrix.length = numPointShadows; + state.spotLightMatrix.length = numSpotShadows + numSpotMaps - numSpotShadowsWithMaps; + state.spotLightMap.length = numSpotMaps; + state.numSpotLightShadowsWithMaps = numSpotShadowsWithMaps; + state.numLightProbes = numLightProbes; + hash.directionalLength = directionalLength; + hash.pointLength = pointLength; + hash.spotLength = spotLength; + hash.rectAreaLength = rectAreaLength; + hash.hemiLength = hemiLength; + hash.numDirectionalShadows = numDirectionalShadows; + hash.numPointShadows = numPointShadows; + hash.numSpotShadows = numSpotShadows; + hash.numSpotMaps = numSpotMaps; + hash.numLightProbes = numLightProbes; + state.version = nextVersion++; + } + } + function setupView(lights, camera) { + let directionalLength = 0; + let pointLength = 0; + let spotLength = 0; + let rectAreaLength = 0; + let hemiLength = 0; + const viewMatrix = camera.matrixWorldInverse; + for (let i = 0, l = lights.length; i < l; i++) { + const light = lights[i]; + if (light.isDirectionalLight) { + const uniforms = state.directional[directionalLength]; + uniforms.direction.setFromMatrixPosition(light.matrixWorld); + vector3.setFromMatrixPosition(light.target.matrixWorld); + uniforms.direction.sub(vector3); + uniforms.direction.transformDirection(viewMatrix); + directionalLength++; + } else if (light.isSpotLight) { + const uniforms = state.spot[spotLength]; + uniforms.position.setFromMatrixPosition(light.matrixWorld); + uniforms.position.applyMatrix4(viewMatrix); + uniforms.direction.setFromMatrixPosition(light.matrixWorld); + vector3.setFromMatrixPosition(light.target.matrixWorld); + uniforms.direction.sub(vector3); + uniforms.direction.transformDirection(viewMatrix); + spotLength++; + } else if (light.isRectAreaLight) { + const uniforms = state.rectArea[rectAreaLength]; + uniforms.position.setFromMatrixPosition(light.matrixWorld); + uniforms.position.applyMatrix4(viewMatrix); + matrix42.identity(); + matrix4.copy(light.matrixWorld); + matrix4.premultiply(viewMatrix); + matrix42.extractRotation(matrix4); + uniforms.halfWidth.set(light.width * 0.5, 0, 0); + uniforms.halfHeight.set(0, light.height * 0.5, 0); + uniforms.halfWidth.applyMatrix4(matrix42); + uniforms.halfHeight.applyMatrix4(matrix42); + rectAreaLength++; + } else if (light.isPointLight) { + const uniforms = state.point[pointLength]; + uniforms.position.setFromMatrixPosition(light.matrixWorld); + uniforms.position.applyMatrix4(viewMatrix); + pointLength++; + } else if (light.isHemisphereLight) { + const uniforms = state.hemi[hemiLength]; + uniforms.direction.setFromMatrixPosition(light.matrixWorld); + uniforms.direction.transformDirection(viewMatrix); + hemiLength++; + } + } + } + return { + setup, + setupView, + state + }; +} +function WebGLRenderState(extensions) { + const lights = new WebGLLights(extensions); + const lightsArray = []; + const shadowsArray = []; + function init(camera) { + state.camera = camera; + lightsArray.length = 0; + shadowsArray.length = 0; + } + function pushLight(light) { + lightsArray.push(light); + } + function pushShadow(shadowLight) { + shadowsArray.push(shadowLight); + } + function setupLights() { + lights.setup(lightsArray); + } + function setupLightsView(camera) { + lights.setupView(lightsArray, camera); + } + const state = { + lightsArray, + shadowsArray, + camera: null, + lights, + transmissionRenderTarget: {} + }; + return { + init, + state, + setupLights, + setupLightsView, + pushLight, + pushShadow + }; +} +function WebGLRenderStates(extensions) { + let renderStates = /* @__PURE__ */ new WeakMap(); + function get(scene, renderCallDepth = 0) { + const renderStateArray = renderStates.get(scene); + let renderState; + if (renderStateArray === void 0) { + renderState = new WebGLRenderState(extensions); + renderStates.set(scene, [renderState]); + } else { + if (renderCallDepth >= renderStateArray.length) { + renderState = new WebGLRenderState(extensions); + renderStateArray.push(renderState); + } else { + renderState = renderStateArray[renderCallDepth]; + } + } + return renderState; + } + function dispose() { + renderStates = /* @__PURE__ */ new WeakMap(); + } + return { + get, + dispose + }; +} +var vertex = "void main() {\n gl_Position = vec4( position, 1.0 );\n}"; +var fragment = "uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n const float samples = float( VSM_SAMPLES );\n float mean = 0.0;\n float squared_mean = 0.0;\n float uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n float uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n for ( float i = 0.0; i < samples; i ++ ) {\n float uvOffset = uvStart + i * uvStride;\n #ifdef HORIZONTAL_PASS\n vec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n mean += distribution.x;\n squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n #else\n float depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n mean += depth;\n squared_mean += depth * depth;\n #endif\n }\n mean = mean / samples;\n squared_mean = squared_mean / samples;\n float std_dev = sqrt( squared_mean - mean * mean );\n gl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"; +function WebGLShadowMap(renderer, objects, capabilities) { + let _frustum2 = new Frustum(); + const _shadowMapSize = new Vector2(), _viewportSize = new Vector2(), _viewport = new Vector4(), _depthMaterial = new MeshDepthMaterial({ depthPacking: RGBADepthPacking }), _distanceMaterial = new MeshDistanceMaterial(), _materialCache = {}, _maxTextureSize = capabilities.maxTextureSize; + const shadowSide = { [FrontSide]: BackSide, [BackSide]: FrontSide, [DoubleSide]: DoubleSide }; + const shadowMaterialVertical = new ShaderMaterial({ + defines: { + VSM_SAMPLES: 8 + }, + uniforms: { + shadow_pass: { value: null }, + resolution: { value: new Vector2() }, + radius: { value: 4 } + }, + vertexShader: vertex, + fragmentShader: fragment + }); + const shadowMaterialHorizontal = shadowMaterialVertical.clone(); + shadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1; + const fullScreenTri = new BufferGeometry(); + fullScreenTri.setAttribute( + "position", + new BufferAttribute( + new Float32Array([-1, -1, 0.5, 3, -1, 0.5, -1, 3, 0.5]), + 3 + ) + ); + const fullScreenMesh = new Mesh(fullScreenTri, shadowMaterialVertical); + const scope = this; + this.enabled = false; + this.autoUpdate = true; + this.needsUpdate = false; + this.type = PCFShadowMap; + let _previousType = this.type; + this.render = function(lights, scene, camera) { + if (scope.enabled === false) return; + if (scope.autoUpdate === false && scope.needsUpdate === false) return; + if (lights.length === 0) return; + const currentRenderTarget = renderer.getRenderTarget(); + const activeCubeFace = renderer.getActiveCubeFace(); + const activeMipmapLevel = renderer.getActiveMipmapLevel(); + const _state = renderer.state; + _state.setBlending(NoBlending); + if (_state.buffers.depth.getReversed() === true) { + _state.buffers.color.setClear(0, 0, 0, 0); + } else { + _state.buffers.color.setClear(1, 1, 1, 1); + } + _state.buffers.depth.setTest(true); + _state.setScissorTest(false); + const toVSM = _previousType !== VSMShadowMap && this.type === VSMShadowMap; + const fromVSM = _previousType === VSMShadowMap && this.type !== VSMShadowMap; + for (let i = 0, il = lights.length; i < il; i++) { + const light = lights[i]; + const shadow = light.shadow; + if (shadow === void 0) { + warn("WebGLShadowMap:", light, "has no shadow."); + continue; + } + if (shadow.autoUpdate === false && shadow.needsUpdate === false) continue; + _shadowMapSize.copy(shadow.mapSize); + const shadowFrameExtents = shadow.getFrameExtents(); + _shadowMapSize.multiply(shadowFrameExtents); + _viewportSize.copy(shadow.mapSize); + if (_shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize) { + if (_shadowMapSize.x > _maxTextureSize) { + _viewportSize.x = Math.floor(_maxTextureSize / shadowFrameExtents.x); + _shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x; + shadow.mapSize.x = _viewportSize.x; + } + if (_shadowMapSize.y > _maxTextureSize) { + _viewportSize.y = Math.floor(_maxTextureSize / shadowFrameExtents.y); + _shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y; + shadow.mapSize.y = _viewportSize.y; + } + } + if (shadow.map === null || toVSM === true || fromVSM === true) { + const pars = this.type !== VSMShadowMap ? { minFilter: NearestFilter, magFilter: NearestFilter } : {}; + if (shadow.map !== null) { + shadow.map.dispose(); + } + shadow.map = new WebGLRenderTarget(_shadowMapSize.x, _shadowMapSize.y, pars); + shadow.map.texture.name = light.name + ".shadowMap"; + shadow.camera.updateProjectionMatrix(); + } + renderer.setRenderTarget(shadow.map); + renderer.clear(); + const viewportCount = shadow.getViewportCount(); + for (let vp = 0; vp < viewportCount; vp++) { + const viewport = shadow.getViewport(vp); + _viewport.set( + _viewportSize.x * viewport.x, + _viewportSize.y * viewport.y, + _viewportSize.x * viewport.z, + _viewportSize.y * viewport.w + ); + _state.viewport(_viewport); + shadow.updateMatrices(light, vp); + _frustum2 = shadow.getFrustum(); + renderObject(scene, camera, shadow.camera, light, this.type); + } + if (shadow.isPointLightShadow !== true && this.type === VSMShadowMap) { + VSMPass(shadow, camera); + } + shadow.needsUpdate = false; + } + _previousType = this.type; + scope.needsUpdate = false; + renderer.setRenderTarget(currentRenderTarget, activeCubeFace, activeMipmapLevel); + }; + function VSMPass(shadow, camera) { + const geometry = objects.update(fullScreenMesh); + if (shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples) { + shadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples; + shadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples; + shadowMaterialVertical.needsUpdate = true; + shadowMaterialHorizontal.needsUpdate = true; + } + if (shadow.mapPass === null) { + shadow.mapPass = new WebGLRenderTarget(_shadowMapSize.x, _shadowMapSize.y); + } + shadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture; + shadowMaterialVertical.uniforms.resolution.value = shadow.mapSize; + shadowMaterialVertical.uniforms.radius.value = shadow.radius; + renderer.setRenderTarget(shadow.mapPass); + renderer.clear(); + renderer.renderBufferDirect(camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null); + shadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture; + shadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize; + shadowMaterialHorizontal.uniforms.radius.value = shadow.radius; + renderer.setRenderTarget(shadow.map); + renderer.clear(); + renderer.renderBufferDirect(camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null); + } + function getDepthMaterial(object, material, light, type) { + let result = null; + const customMaterial = light.isPointLight === true ? object.customDistanceMaterial : object.customDepthMaterial; + if (customMaterial !== void 0) { + result = customMaterial; + } else { + result = light.isPointLight === true ? _distanceMaterial : _depthMaterial; + if (renderer.localClippingEnabled && material.clipShadows === true && Array.isArray(material.clippingPlanes) && material.clippingPlanes.length !== 0 || material.displacementMap && material.displacementScale !== 0 || material.alphaMap && material.alphaTest > 0 || material.map && material.alphaTest > 0 || material.alphaToCoverage === true) { + const keyA = result.uuid, keyB = material.uuid; + let materialsForVariant = _materialCache[keyA]; + if (materialsForVariant === void 0) { + materialsForVariant = {}; + _materialCache[keyA] = materialsForVariant; + } + let cachedMaterial = materialsForVariant[keyB]; + if (cachedMaterial === void 0) { + cachedMaterial = result.clone(); + materialsForVariant[keyB] = cachedMaterial; + material.addEventListener("dispose", onMaterialDispose); + } + result = cachedMaterial; + } + } + result.visible = material.visible; + result.wireframe = material.wireframe; + if (type === VSMShadowMap) { + result.side = material.shadowSide !== null ? material.shadowSide : material.side; + } else { + result.side = material.shadowSide !== null ? material.shadowSide : shadowSide[material.side]; + } + result.alphaMap = material.alphaMap; + result.alphaTest = material.alphaToCoverage === true ? 0.5 : material.alphaTest; + result.map = material.map; + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; + result.clipIntersection = material.clipIntersection; + result.displacementMap = material.displacementMap; + result.displacementScale = material.displacementScale; + result.displacementBias = material.displacementBias; + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; + if (light.isPointLight === true && result.isMeshDistanceMaterial === true) { + const materialProperties = renderer.properties.get(result); + materialProperties.light = light; + } + return result; + } + function renderObject(object, camera, shadowCamera, light, type) { + if (object.visible === false) return; + const visible = object.layers.test(camera.layers); + if (visible && (object.isMesh || object.isLine || object.isPoints)) { + if ((object.castShadow || object.receiveShadow && type === VSMShadowMap) && (!object.frustumCulled || _frustum2.intersectsObject(object))) { + object.modelViewMatrix.multiplyMatrices(shadowCamera.matrixWorldInverse, object.matrixWorld); + const geometry = objects.update(object); + const material = object.material; + if (Array.isArray(material)) { + const groups = geometry.groups; + for (let k = 0, kl = groups.length; k < kl; k++) { + const group = groups[k]; + const groupMaterial = material[group.materialIndex]; + if (groupMaterial && groupMaterial.visible) { + const depthMaterial = getDepthMaterial(object, groupMaterial, light, type); + object.onBeforeShadow(renderer, object, camera, shadowCamera, geometry, depthMaterial, group); + renderer.renderBufferDirect(shadowCamera, null, geometry, depthMaterial, object, group); + object.onAfterShadow(renderer, object, camera, shadowCamera, geometry, depthMaterial, group); + } + } + } else if (material.visible) { + const depthMaterial = getDepthMaterial(object, material, light, type); + object.onBeforeShadow(renderer, object, camera, shadowCamera, geometry, depthMaterial, null); + renderer.renderBufferDirect(shadowCamera, null, geometry, depthMaterial, object, null); + object.onAfterShadow(renderer, object, camera, shadowCamera, geometry, depthMaterial, null); + } + } + } + const children = object.children; + for (let i = 0, l = children.length; i < l; i++) { + renderObject(children[i], camera, shadowCamera, light, type); + } + } + function onMaterialDispose(event) { + const material = event.target; + material.removeEventListener("dispose", onMaterialDispose); + for (const id in _materialCache) { + const cache = _materialCache[id]; + const uuid = event.target.uuid; + if (uuid in cache) { + const shadowMaterial = cache[uuid]; + shadowMaterial.dispose(); + delete cache[uuid]; + } + } + } +} +var reversedFuncs = { + [NeverDepth]: AlwaysDepth, + [LessDepth]: GreaterDepth, + [EqualDepth]: NotEqualDepth, + [LessEqualDepth]: GreaterEqualDepth, + [AlwaysDepth]: NeverDepth, + [GreaterDepth]: LessDepth, + [NotEqualDepth]: EqualDepth, + [GreaterEqualDepth]: LessEqualDepth +}; +function WebGLState(gl, extensions) { + function ColorBuffer() { + let locked = false; + const color = new Vector4(); + let currentColorMask = null; + const currentColorClear = new Vector4(0, 0, 0, 0); + return { + setMask: function(colorMask) { + if (currentColorMask !== colorMask && !locked) { + gl.colorMask(colorMask, colorMask, colorMask, colorMask); + currentColorMask = colorMask; + } + }, + setLocked: function(lock) { + locked = lock; + }, + setClear: function(r, g, b, a, premultipliedAlpha) { + if (premultipliedAlpha === true) { + r *= a; + g *= a; + b *= a; + } + color.set(r, g, b, a); + if (currentColorClear.equals(color) === false) { + gl.clearColor(r, g, b, a); + currentColorClear.copy(color); + } + }, + reset: function() { + locked = false; + currentColorMask = null; + currentColorClear.set(-1, 0, 0, 0); + } + }; + } + function DepthBuffer() { + let locked = false; + let currentReversed = false; + let currentDepthMask = null; + let currentDepthFunc = null; + let currentDepthClear = null; + return { + setReversed: function(reversed) { + if (currentReversed !== reversed) { + const ext = extensions.get("EXT_clip_control"); + if (reversed) { + ext.clipControlEXT(ext.LOWER_LEFT_EXT, ext.ZERO_TO_ONE_EXT); + } else { + ext.clipControlEXT(ext.LOWER_LEFT_EXT, ext.NEGATIVE_ONE_TO_ONE_EXT); + } + currentReversed = reversed; + const oldDepth = currentDepthClear; + currentDepthClear = null; + this.setClear(oldDepth); + } + }, + getReversed: function() { + return currentReversed; + }, + setTest: function(depthTest) { + if (depthTest) { + enable(gl.DEPTH_TEST); + } else { + disable(gl.DEPTH_TEST); + } + }, + setMask: function(depthMask) { + if (currentDepthMask !== depthMask && !locked) { + gl.depthMask(depthMask); + currentDepthMask = depthMask; + } + }, + setFunc: function(depthFunc) { + if (currentReversed) depthFunc = reversedFuncs[depthFunc]; + if (currentDepthFunc !== depthFunc) { + switch (depthFunc) { + case NeverDepth: + gl.depthFunc(gl.NEVER); + break; + case AlwaysDepth: + gl.depthFunc(gl.ALWAYS); + break; + case LessDepth: + gl.depthFunc(gl.LESS); + break; + case LessEqualDepth: + gl.depthFunc(gl.LEQUAL); + break; + case EqualDepth: + gl.depthFunc(gl.EQUAL); + break; + case GreaterEqualDepth: + gl.depthFunc(gl.GEQUAL); + break; + case GreaterDepth: + gl.depthFunc(gl.GREATER); + break; + case NotEqualDepth: + gl.depthFunc(gl.NOTEQUAL); + break; + default: + gl.depthFunc(gl.LEQUAL); + } + currentDepthFunc = depthFunc; + } + }, + setLocked: function(lock) { + locked = lock; + }, + setClear: function(depth) { + if (currentDepthClear !== depth) { + if (currentReversed) { + depth = 1 - depth; + } + gl.clearDepth(depth); + currentDepthClear = depth; + } + }, + reset: function() { + locked = false; + currentDepthMask = null; + currentDepthFunc = null; + currentDepthClear = null; + currentReversed = false; + } + }; + } + function StencilBuffer() { + let locked = false; + let currentStencilMask = null; + let currentStencilFunc = null; + let currentStencilRef = null; + let currentStencilFuncMask = null; + let currentStencilFail = null; + let currentStencilZFail = null; + let currentStencilZPass = null; + let currentStencilClear = null; + return { + setTest: function(stencilTest) { + if (!locked) { + if (stencilTest) { + enable(gl.STENCIL_TEST); + } else { + disable(gl.STENCIL_TEST); + } + } + }, + setMask: function(stencilMask) { + if (currentStencilMask !== stencilMask && !locked) { + gl.stencilMask(stencilMask); + currentStencilMask = stencilMask; + } + }, + setFunc: function(stencilFunc, stencilRef, stencilMask) { + if (currentStencilFunc !== stencilFunc || currentStencilRef !== stencilRef || currentStencilFuncMask !== stencilMask) { + gl.stencilFunc(stencilFunc, stencilRef, stencilMask); + currentStencilFunc = stencilFunc; + currentStencilRef = stencilRef; + currentStencilFuncMask = stencilMask; + } + }, + setOp: function(stencilFail, stencilZFail, stencilZPass) { + if (currentStencilFail !== stencilFail || currentStencilZFail !== stencilZFail || currentStencilZPass !== stencilZPass) { + gl.stencilOp(stencilFail, stencilZFail, stencilZPass); + currentStencilFail = stencilFail; + currentStencilZFail = stencilZFail; + currentStencilZPass = stencilZPass; + } + }, + setLocked: function(lock) { + locked = lock; + }, + setClear: function(stencil) { + if (currentStencilClear !== stencil) { + gl.clearStencil(stencil); + currentStencilClear = stencil; + } + }, + reset: function() { + locked = false; + currentStencilMask = null; + currentStencilFunc = null; + currentStencilRef = null; + currentStencilFuncMask = null; + currentStencilFail = null; + currentStencilZFail = null; + currentStencilZPass = null; + currentStencilClear = null; + } + }; + } + const colorBuffer = new ColorBuffer(); + const depthBuffer = new DepthBuffer(); + const stencilBuffer = new StencilBuffer(); + const uboBindings = /* @__PURE__ */ new WeakMap(); + const uboProgramMap = /* @__PURE__ */ new WeakMap(); + let enabledCapabilities = {}; + let currentBoundFramebuffers = {}; + let currentDrawbuffers = /* @__PURE__ */ new WeakMap(); + let defaultDrawbuffers = []; + let currentProgram = null; + let currentBlendingEnabled = false; + let currentBlending = null; + let currentBlendEquation = null; + let currentBlendSrc = null; + let currentBlendDst = null; + let currentBlendEquationAlpha = null; + let currentBlendSrcAlpha = null; + let currentBlendDstAlpha = null; + let currentBlendColor = new Color(0, 0, 0); + let currentBlendAlpha = 0; + let currentPremultipledAlpha = false; + let currentFlipSided = null; + let currentCullFace = null; + let currentLineWidth = null; + let currentPolygonOffsetFactor = null; + let currentPolygonOffsetUnits = null; + const maxTextures = gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS); + let lineWidthAvailable = false; + let version = 0; + const glVersion = gl.getParameter(gl.VERSION); + if (glVersion.indexOf("WebGL") !== -1) { + version = parseFloat(/^WebGL (\d)/.exec(glVersion)[1]); + lineWidthAvailable = version >= 1; + } else if (glVersion.indexOf("OpenGL ES") !== -1) { + version = parseFloat(/^OpenGL ES (\d)/.exec(glVersion)[1]); + lineWidthAvailable = version >= 2; + } + let currentTextureSlot = null; + let currentBoundTextures = {}; + const scissorParam = gl.getParameter(gl.SCISSOR_BOX); + const viewportParam = gl.getParameter(gl.VIEWPORT); + const currentScissor = new Vector4().fromArray(scissorParam); + const currentViewport = new Vector4().fromArray(viewportParam); + function createTexture(type, target, count, dimensions) { + const data = new Uint8Array(4); + const texture = gl.createTexture(); + gl.bindTexture(type, texture); + gl.texParameteri(type, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(type, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + for (let i = 0; i < count; i++) { + if (type === gl.TEXTURE_3D || type === gl.TEXTURE_2D_ARRAY) { + gl.texImage3D(target, 0, gl.RGBA, 1, 1, dimensions, 0, gl.RGBA, gl.UNSIGNED_BYTE, data); + } else { + gl.texImage2D(target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data); + } + } + return texture; + } + const emptyTextures = {}; + emptyTextures[gl.TEXTURE_2D] = createTexture(gl.TEXTURE_2D, gl.TEXTURE_2D, 1); + emptyTextures[gl.TEXTURE_CUBE_MAP] = createTexture(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6); + emptyTextures[gl.TEXTURE_2D_ARRAY] = createTexture(gl.TEXTURE_2D_ARRAY, gl.TEXTURE_2D_ARRAY, 1, 1); + emptyTextures[gl.TEXTURE_3D] = createTexture(gl.TEXTURE_3D, gl.TEXTURE_3D, 1, 1); + colorBuffer.setClear(0, 0, 0, 1); + depthBuffer.setClear(1); + stencilBuffer.setClear(0); + enable(gl.DEPTH_TEST); + depthBuffer.setFunc(LessEqualDepth); + setFlipSided(false); + setCullFace(CullFaceBack); + enable(gl.CULL_FACE); + setBlending(NoBlending); + function enable(id) { + if (enabledCapabilities[id] !== true) { + gl.enable(id); + enabledCapabilities[id] = true; + } + } + function disable(id) { + if (enabledCapabilities[id] !== false) { + gl.disable(id); + enabledCapabilities[id] = false; + } + } + function bindFramebuffer(target, framebuffer) { + if (currentBoundFramebuffers[target] !== framebuffer) { + gl.bindFramebuffer(target, framebuffer); + currentBoundFramebuffers[target] = framebuffer; + if (target === gl.DRAW_FRAMEBUFFER) { + currentBoundFramebuffers[gl.FRAMEBUFFER] = framebuffer; + } + if (target === gl.FRAMEBUFFER) { + currentBoundFramebuffers[gl.DRAW_FRAMEBUFFER] = framebuffer; + } + return true; + } + return false; + } + function drawBuffers(renderTarget, framebuffer) { + let drawBuffers2 = defaultDrawbuffers; + let needsUpdate = false; + if (renderTarget) { + drawBuffers2 = currentDrawbuffers.get(framebuffer); + if (drawBuffers2 === void 0) { + drawBuffers2 = []; + currentDrawbuffers.set(framebuffer, drawBuffers2); + } + const textures = renderTarget.textures; + if (drawBuffers2.length !== textures.length || drawBuffers2[0] !== gl.COLOR_ATTACHMENT0) { + for (let i = 0, il = textures.length; i < il; i++) { + drawBuffers2[i] = gl.COLOR_ATTACHMENT0 + i; + } + drawBuffers2.length = textures.length; + needsUpdate = true; + } + } else { + if (drawBuffers2[0] !== gl.BACK) { + drawBuffers2[0] = gl.BACK; + needsUpdate = true; + } + } + if (needsUpdate) { + gl.drawBuffers(drawBuffers2); + } + } + function useProgram(program) { + if (currentProgram !== program) { + gl.useProgram(program); + currentProgram = program; + return true; + } + return false; + } + const equationToGL = { + [AddEquation]: gl.FUNC_ADD, + [SubtractEquation]: gl.FUNC_SUBTRACT, + [ReverseSubtractEquation]: gl.FUNC_REVERSE_SUBTRACT + }; + equationToGL[MinEquation] = gl.MIN; + equationToGL[MaxEquation] = gl.MAX; + const factorToGL = { + [ZeroFactor]: gl.ZERO, + [OneFactor]: gl.ONE, + [SrcColorFactor]: gl.SRC_COLOR, + [SrcAlphaFactor]: gl.SRC_ALPHA, + [SrcAlphaSaturateFactor]: gl.SRC_ALPHA_SATURATE, + [DstColorFactor]: gl.DST_COLOR, + [DstAlphaFactor]: gl.DST_ALPHA, + [OneMinusSrcColorFactor]: gl.ONE_MINUS_SRC_COLOR, + [OneMinusSrcAlphaFactor]: gl.ONE_MINUS_SRC_ALPHA, + [OneMinusDstColorFactor]: gl.ONE_MINUS_DST_COLOR, + [OneMinusDstAlphaFactor]: gl.ONE_MINUS_DST_ALPHA, + [ConstantColorFactor]: gl.CONSTANT_COLOR, + [OneMinusConstantColorFactor]: gl.ONE_MINUS_CONSTANT_COLOR, + [ConstantAlphaFactor]: gl.CONSTANT_ALPHA, + [OneMinusConstantAlphaFactor]: gl.ONE_MINUS_CONSTANT_ALPHA + }; + function setBlending(blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, blendColor, blendAlpha, premultipliedAlpha) { + if (blending === NoBlending) { + if (currentBlendingEnabled === true) { + disable(gl.BLEND); + currentBlendingEnabled = false; + } + return; + } + if (currentBlendingEnabled === false) { + enable(gl.BLEND); + currentBlendingEnabled = true; + } + if (blending !== CustomBlending) { + if (blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha) { + if (currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation) { + gl.blendEquation(gl.FUNC_ADD); + currentBlendEquation = AddEquation; + currentBlendEquationAlpha = AddEquation; + } + if (premultipliedAlpha) { + switch (blending) { + case NormalBlending: + gl.blendFuncSeparate(gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + break; + case AdditiveBlending: + gl.blendFunc(gl.ONE, gl.ONE); + break; + case SubtractiveBlending: + gl.blendFuncSeparate(gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE); + break; + case MultiplyBlending: + gl.blendFuncSeparate(gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA, gl.ZERO, gl.ONE); + break; + default: + error("WebGLState: Invalid blending: ", blending); + break; + } + } else { + switch (blending) { + case NormalBlending: + gl.blendFuncSeparate(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + break; + case AdditiveBlending: + gl.blendFuncSeparate(gl.SRC_ALPHA, gl.ONE, gl.ONE, gl.ONE); + break; + case SubtractiveBlending: + error("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true"); + break; + case MultiplyBlending: + error("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true"); + break; + default: + error("WebGLState: Invalid blending: ", blending); + break; + } + } + currentBlendSrc = null; + currentBlendDst = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + currentBlendColor.set(0, 0, 0); + currentBlendAlpha = 0; + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; + } + return; + } + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; + if (blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha) { + gl.blendEquationSeparate(equationToGL[blendEquation], equationToGL[blendEquationAlpha]); + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; + } + if (blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha) { + gl.blendFuncSeparate(factorToGL[blendSrc], factorToGL[blendDst], factorToGL[blendSrcAlpha], factorToGL[blendDstAlpha]); + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; + } + if (blendColor.equals(currentBlendColor) === false || blendAlpha !== currentBlendAlpha) { + gl.blendColor(blendColor.r, blendColor.g, blendColor.b, blendAlpha); + currentBlendColor.copy(blendColor); + currentBlendAlpha = blendAlpha; + } + currentBlending = blending; + currentPremultipledAlpha = false; + } + function setMaterial(material, frontFaceCW) { + material.side === DoubleSide ? disable(gl.CULL_FACE) : enable(gl.CULL_FACE); + let flipSided = material.side === BackSide; + if (frontFaceCW) flipSided = !flipSided; + setFlipSided(flipSided); + material.blending === NormalBlending && material.transparent === false ? setBlending(NoBlending) : setBlending(material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.blendColor, material.blendAlpha, material.premultipliedAlpha); + depthBuffer.setFunc(material.depthFunc); + depthBuffer.setTest(material.depthTest); + depthBuffer.setMask(material.depthWrite); + colorBuffer.setMask(material.colorWrite); + const stencilWrite = material.stencilWrite; + stencilBuffer.setTest(stencilWrite); + if (stencilWrite) { + stencilBuffer.setMask(material.stencilWriteMask); + stencilBuffer.setFunc(material.stencilFunc, material.stencilRef, material.stencilFuncMask); + stencilBuffer.setOp(material.stencilFail, material.stencilZFail, material.stencilZPass); + } + setPolygonOffset(material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits); + material.alphaToCoverage === true ? enable(gl.SAMPLE_ALPHA_TO_COVERAGE) : disable(gl.SAMPLE_ALPHA_TO_COVERAGE); + } + function setFlipSided(flipSided) { + if (currentFlipSided !== flipSided) { + if (flipSided) { + gl.frontFace(gl.CW); + } else { + gl.frontFace(gl.CCW); + } + currentFlipSided = flipSided; + } + } + function setCullFace(cullFace) { + if (cullFace !== CullFaceNone) { + enable(gl.CULL_FACE); + if (cullFace !== currentCullFace) { + if (cullFace === CullFaceBack) { + gl.cullFace(gl.BACK); + } else if (cullFace === CullFaceFront) { + gl.cullFace(gl.FRONT); + } else { + gl.cullFace(gl.FRONT_AND_BACK); + } + } + } else { + disable(gl.CULL_FACE); + } + currentCullFace = cullFace; + } + function setLineWidth(width) { + if (width !== currentLineWidth) { + if (lineWidthAvailable) gl.lineWidth(width); + currentLineWidth = width; + } + } + function setPolygonOffset(polygonOffset, factor, units) { + if (polygonOffset) { + enable(gl.POLYGON_OFFSET_FILL); + if (currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units) { + gl.polygonOffset(factor, units); + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; + } + } else { + disable(gl.POLYGON_OFFSET_FILL); + } + } + function setScissorTest(scissorTest) { + if (scissorTest) { + enable(gl.SCISSOR_TEST); + } else { + disable(gl.SCISSOR_TEST); + } + } + function activeTexture(webglSlot) { + if (webglSlot === void 0) webglSlot = gl.TEXTURE0 + maxTextures - 1; + if (currentTextureSlot !== webglSlot) { + gl.activeTexture(webglSlot); + currentTextureSlot = webglSlot; + } + } + function bindTexture(webglType, webglTexture, webglSlot) { + if (webglSlot === void 0) { + if (currentTextureSlot === null) { + webglSlot = gl.TEXTURE0 + maxTextures - 1; + } else { + webglSlot = currentTextureSlot; + } + } + let boundTexture = currentBoundTextures[webglSlot]; + if (boundTexture === void 0) { + boundTexture = { type: void 0, texture: void 0 }; + currentBoundTextures[webglSlot] = boundTexture; + } + if (boundTexture.type !== webglType || boundTexture.texture !== webglTexture) { + if (currentTextureSlot !== webglSlot) { + gl.activeTexture(webglSlot); + currentTextureSlot = webglSlot; + } + gl.bindTexture(webglType, webglTexture || emptyTextures[webglType]); + boundTexture.type = webglType; + boundTexture.texture = webglTexture; + } + } + function unbindTexture() { + const boundTexture = currentBoundTextures[currentTextureSlot]; + if (boundTexture !== void 0 && boundTexture.type !== void 0) { + gl.bindTexture(boundTexture.type, null); + boundTexture.type = void 0; + boundTexture.texture = void 0; + } + } + function compressedTexImage2D() { + try { + gl.compressedTexImage2D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function compressedTexImage3D() { + try { + gl.compressedTexImage3D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function texSubImage2D() { + try { + gl.texSubImage2D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function texSubImage3D() { + try { + gl.texSubImage3D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function compressedTexSubImage2D() { + try { + gl.compressedTexSubImage2D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function compressedTexSubImage3D() { + try { + gl.compressedTexSubImage3D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function texStorage2D() { + try { + gl.texStorage2D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function texStorage3D() { + try { + gl.texStorage3D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function texImage2D() { + try { + gl.texImage2D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function texImage3D() { + try { + gl.texImage3D(...arguments); + } catch (error2) { + error2("WebGLState:", error2); + } + } + function scissor(scissor2) { + if (currentScissor.equals(scissor2) === false) { + gl.scissor(scissor2.x, scissor2.y, scissor2.z, scissor2.w); + currentScissor.copy(scissor2); + } + } + function viewport(viewport2) { + if (currentViewport.equals(viewport2) === false) { + gl.viewport(viewport2.x, viewport2.y, viewport2.z, viewport2.w); + currentViewport.copy(viewport2); + } + } + function updateUBOMapping(uniformsGroup, program) { + let mapping = uboProgramMap.get(program); + if (mapping === void 0) { + mapping = /* @__PURE__ */ new WeakMap(); + uboProgramMap.set(program, mapping); + } + let blockIndex = mapping.get(uniformsGroup); + if (blockIndex === void 0) { + blockIndex = gl.getUniformBlockIndex(program, uniformsGroup.name); + mapping.set(uniformsGroup, blockIndex); + } + } + function uniformBlockBinding(uniformsGroup, program) { + const mapping = uboProgramMap.get(program); + const blockIndex = mapping.get(uniformsGroup); + if (uboBindings.get(program) !== blockIndex) { + gl.uniformBlockBinding(program, blockIndex, uniformsGroup.__bindingPointIndex); + uboBindings.set(program, blockIndex); + } + } + function reset() { + gl.disable(gl.BLEND); + gl.disable(gl.CULL_FACE); + gl.disable(gl.DEPTH_TEST); + gl.disable(gl.POLYGON_OFFSET_FILL); + gl.disable(gl.SCISSOR_TEST); + gl.disable(gl.STENCIL_TEST); + gl.disable(gl.SAMPLE_ALPHA_TO_COVERAGE); + gl.blendEquation(gl.FUNC_ADD); + gl.blendFunc(gl.ONE, gl.ZERO); + gl.blendFuncSeparate(gl.ONE, gl.ZERO, gl.ONE, gl.ZERO); + gl.blendColor(0, 0, 0, 0); + gl.colorMask(true, true, true, true); + gl.clearColor(0, 0, 0, 0); + gl.depthMask(true); + gl.depthFunc(gl.LESS); + depthBuffer.setReversed(false); + gl.clearDepth(1); + gl.stencilMask(4294967295); + gl.stencilFunc(gl.ALWAYS, 0, 4294967295); + gl.stencilOp(gl.KEEP, gl.KEEP, gl.KEEP); + gl.clearStencil(0); + gl.cullFace(gl.BACK); + gl.frontFace(gl.CCW); + gl.polygonOffset(0, 0); + gl.activeTexture(gl.TEXTURE0); + gl.bindFramebuffer(gl.FRAMEBUFFER, null); + gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, null); + gl.bindFramebuffer(gl.READ_FRAMEBUFFER, null); + gl.useProgram(null); + gl.lineWidth(1); + gl.scissor(0, 0, gl.canvas.width, gl.canvas.height); + gl.viewport(0, 0, gl.canvas.width, gl.canvas.height); + enabledCapabilities = {}; + currentTextureSlot = null; + currentBoundTextures = {}; + currentBoundFramebuffers = {}; + currentDrawbuffers = /* @__PURE__ */ new WeakMap(); + defaultDrawbuffers = []; + currentProgram = null; + currentBlendingEnabled = false; + currentBlending = null; + currentBlendEquation = null; + currentBlendSrc = null; + currentBlendDst = null; + currentBlendEquationAlpha = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + currentBlendColor = new Color(0, 0, 0); + currentBlendAlpha = 0; + currentPremultipledAlpha = false; + currentFlipSided = null; + currentCullFace = null; + currentLineWidth = null; + currentPolygonOffsetFactor = null; + currentPolygonOffsetUnits = null; + currentScissor.set(0, 0, gl.canvas.width, gl.canvas.height); + currentViewport.set(0, 0, gl.canvas.width, gl.canvas.height); + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); + } + return { + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, + enable, + disable, + bindFramebuffer, + drawBuffers, + useProgram, + setBlending, + setMaterial, + setFlipSided, + setCullFace, + setLineWidth, + setPolygonOffset, + setScissorTest, + activeTexture, + bindTexture, + unbindTexture, + compressedTexImage2D, + compressedTexImage3D, + texImage2D, + texImage3D, + updateUBOMapping, + uniformBlockBinding, + texStorage2D, + texStorage3D, + texSubImage2D, + texSubImage3D, + compressedTexSubImage2D, + compressedTexSubImage3D, + scissor, + viewport, + reset + }; +} +function WebGLTextures(_gl, extensions, state, properties, capabilities, utils, info) { + const multisampledRTTExt = extensions.has("WEBGL_multisampled_render_to_texture") ? extensions.get("WEBGL_multisampled_render_to_texture") : null; + const supportsInvalidateFramebuffer = typeof navigator === "undefined" ? false : /OculusBrowser/g.test(navigator.userAgent); + const _imageDimensions = new Vector2(); + const _videoTextures = /* @__PURE__ */ new WeakMap(); + let _canvas2; + const _sources = /* @__PURE__ */ new WeakMap(); + let useOffscreenCanvas = false; + try { + useOffscreenCanvas = typeof OffscreenCanvas !== "undefined" && new OffscreenCanvas(1, 1).getContext("2d") !== null; + } catch (err) { + } + function createCanvas(width, height) { + return useOffscreenCanvas ? ( + // eslint-disable-next-line compat/compat + new OffscreenCanvas(width, height) + ) : createElementNS("canvas"); + } + function resizeImage(image, needsNewCanvas, maxSize) { + let scale = 1; + const dimensions = getDimensions(image); + if (dimensions.width > maxSize || dimensions.height > maxSize) { + scale = maxSize / Math.max(dimensions.width, dimensions.height); + } + if (scale < 1) { + if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement || typeof HTMLCanvasElement !== "undefined" && image instanceof HTMLCanvasElement || typeof ImageBitmap !== "undefined" && image instanceof ImageBitmap || typeof VideoFrame !== "undefined" && image instanceof VideoFrame) { + const width = Math.floor(scale * dimensions.width); + const height = Math.floor(scale * dimensions.height); + if (_canvas2 === void 0) _canvas2 = createCanvas(width, height); + const canvas = needsNewCanvas ? createCanvas(width, height) : _canvas2; + canvas.width = width; + canvas.height = height; + const context = canvas.getContext("2d"); + context.drawImage(image, 0, 0, width, height); + warn("WebGLRenderer: Texture has been resized from (" + dimensions.width + "x" + dimensions.height + ") to (" + width + "x" + height + ")."); + return canvas; + } else { + if ("data" in image) { + warn("WebGLRenderer: Image in DataTexture is too big (" + dimensions.width + "x" + dimensions.height + ")."); + } + return image; + } + } + return image; + } + function textureNeedsGenerateMipmaps(texture) { + return texture.generateMipmaps; + } + function generateMipmap(target) { + _gl.generateMipmap(target); + } + function getTargetType(texture) { + if (texture.isWebGLCubeRenderTarget) return _gl.TEXTURE_CUBE_MAP; + if (texture.isWebGL3DRenderTarget) return _gl.TEXTURE_3D; + if (texture.isWebGLArrayRenderTarget || texture.isCompressedArrayTexture) return _gl.TEXTURE_2D_ARRAY; + return _gl.TEXTURE_2D; + } + function getInternalFormat(internalFormatName, glFormat, glType, colorSpace, forceLinearTransfer = false) { + if (internalFormatName !== null) { + if (_gl[internalFormatName] !== void 0) return _gl[internalFormatName]; + warn("WebGLRenderer: Attempt to use non-existing WebGL internal format '" + internalFormatName + "'"); + } + let internalFormat = glFormat; + if (glFormat === _gl.RED) { + if (glType === _gl.FLOAT) internalFormat = _gl.R32F; + if (glType === _gl.HALF_FLOAT) internalFormat = _gl.R16F; + if (glType === _gl.UNSIGNED_BYTE) internalFormat = _gl.R8; + } + if (glFormat === _gl.RED_INTEGER) { + if (glType === _gl.UNSIGNED_BYTE) internalFormat = _gl.R8UI; + if (glType === _gl.UNSIGNED_SHORT) internalFormat = _gl.R16UI; + if (glType === _gl.UNSIGNED_INT) internalFormat = _gl.R32UI; + if (glType === _gl.BYTE) internalFormat = _gl.R8I; + if (glType === _gl.SHORT) internalFormat = _gl.R16I; + if (glType === _gl.INT) internalFormat = _gl.R32I; + } + if (glFormat === _gl.RG) { + if (glType === _gl.FLOAT) internalFormat = _gl.RG32F; + if (glType === _gl.HALF_FLOAT) internalFormat = _gl.RG16F; + if (glType === _gl.UNSIGNED_BYTE) internalFormat = _gl.RG8; + } + if (glFormat === _gl.RG_INTEGER) { + if (glType === _gl.UNSIGNED_BYTE) internalFormat = _gl.RG8UI; + if (glType === _gl.UNSIGNED_SHORT) internalFormat = _gl.RG16UI; + if (glType === _gl.UNSIGNED_INT) internalFormat = _gl.RG32UI; + if (glType === _gl.BYTE) internalFormat = _gl.RG8I; + if (glType === _gl.SHORT) internalFormat = _gl.RG16I; + if (glType === _gl.INT) internalFormat = _gl.RG32I; + } + if (glFormat === _gl.RGB_INTEGER) { + if (glType === _gl.UNSIGNED_BYTE) internalFormat = _gl.RGB8UI; + if (glType === _gl.UNSIGNED_SHORT) internalFormat = _gl.RGB16UI; + if (glType === _gl.UNSIGNED_INT) internalFormat = _gl.RGB32UI; + if (glType === _gl.BYTE) internalFormat = _gl.RGB8I; + if (glType === _gl.SHORT) internalFormat = _gl.RGB16I; + if (glType === _gl.INT) internalFormat = _gl.RGB32I; + } + if (glFormat === _gl.RGBA_INTEGER) { + if (glType === _gl.UNSIGNED_BYTE) internalFormat = _gl.RGBA8UI; + if (glType === _gl.UNSIGNED_SHORT) internalFormat = _gl.RGBA16UI; + if (glType === _gl.UNSIGNED_INT) internalFormat = _gl.RGBA32UI; + if (glType === _gl.BYTE) internalFormat = _gl.RGBA8I; + if (glType === _gl.SHORT) internalFormat = _gl.RGBA16I; + if (glType === _gl.INT) internalFormat = _gl.RGBA32I; + } + if (glFormat === _gl.RGB) { + if (glType === _gl.UNSIGNED_INT_5_9_9_9_REV) internalFormat = _gl.RGB9_E5; + if (glType === _gl.UNSIGNED_INT_10F_11F_11F_REV) internalFormat = _gl.R11F_G11F_B10F; + } + if (glFormat === _gl.RGBA) { + const transfer = forceLinearTransfer ? LinearTransfer : ColorManagement.getTransfer(colorSpace); + if (glType === _gl.FLOAT) internalFormat = _gl.RGBA32F; + if (glType === _gl.HALF_FLOAT) internalFormat = _gl.RGBA16F; + if (glType === _gl.UNSIGNED_BYTE) internalFormat = transfer === SRGBTransfer ? _gl.SRGB8_ALPHA8 : _gl.RGBA8; + if (glType === _gl.UNSIGNED_SHORT_4_4_4_4) internalFormat = _gl.RGBA4; + if (glType === _gl.UNSIGNED_SHORT_5_5_5_1) internalFormat = _gl.RGB5_A1; + } + if (internalFormat === _gl.R16F || internalFormat === _gl.R32F || internalFormat === _gl.RG16F || internalFormat === _gl.RG32F || internalFormat === _gl.RGBA16F || internalFormat === _gl.RGBA32F) { + extensions.get("EXT_color_buffer_float"); + } + return internalFormat; + } + function getInternalDepthFormat(useStencil, depthType) { + let glInternalFormat; + if (useStencil) { + if (depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type) { + glInternalFormat = _gl.DEPTH24_STENCIL8; + } else if (depthType === FloatType) { + glInternalFormat = _gl.DEPTH32F_STENCIL8; + } else if (depthType === UnsignedShortType) { + glInternalFormat = _gl.DEPTH24_STENCIL8; + warn("DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment."); + } + } else { + if (depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type) { + glInternalFormat = _gl.DEPTH_COMPONENT24; + } else if (depthType === FloatType) { + glInternalFormat = _gl.DEPTH_COMPONENT32F; + } else if (depthType === UnsignedShortType) { + glInternalFormat = _gl.DEPTH_COMPONENT16; + } + } + return glInternalFormat; + } + function getMipLevels(texture, image) { + if (textureNeedsGenerateMipmaps(texture) === true || texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter) { + return Math.log2(Math.max(image.width, image.height)) + 1; + } else if (texture.mipmaps !== void 0 && texture.mipmaps.length > 0) { + return texture.mipmaps.length; + } else if (texture.isCompressedTexture && Array.isArray(texture.image)) { + return image.mipmaps.length; + } else { + return 1; + } + } + function onTextureDispose(event) { + const texture = event.target; + texture.removeEventListener("dispose", onTextureDispose); + deallocateTexture(texture); + if (texture.isVideoTexture) { + _videoTextures.delete(texture); + } + } + function onRenderTargetDispose(event) { + const renderTarget = event.target; + renderTarget.removeEventListener("dispose", onRenderTargetDispose); + deallocateRenderTarget(renderTarget); + } + function deallocateTexture(texture) { + const textureProperties = properties.get(texture); + if (textureProperties.__webglInit === void 0) return; + const source = texture.source; + const webglTextures = _sources.get(source); + if (webglTextures) { + const webglTexture = webglTextures[textureProperties.__cacheKey]; + webglTexture.usedTimes--; + if (webglTexture.usedTimes === 0) { + deleteTexture(texture); + } + if (Object.keys(webglTextures).length === 0) { + _sources.delete(source); + } + } + properties.remove(texture); + } + function deleteTexture(texture) { + const textureProperties = properties.get(texture); + _gl.deleteTexture(textureProperties.__webglTexture); + const source = texture.source; + const webglTextures = _sources.get(source); + delete webglTextures[textureProperties.__cacheKey]; + info.memory.textures--; + } + function deallocateRenderTarget(renderTarget) { + const renderTargetProperties = properties.get(renderTarget); + if (renderTarget.depthTexture) { + renderTarget.depthTexture.dispose(); + properties.remove(renderTarget.depthTexture); + } + if (renderTarget.isWebGLCubeRenderTarget) { + for (let i = 0; i < 6; i++) { + if (Array.isArray(renderTargetProperties.__webglFramebuffer[i])) { + for (let level = 0; level < renderTargetProperties.__webglFramebuffer[i].length; level++) _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[i][level]); + } else { + _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[i]); + } + if (renderTargetProperties.__webglDepthbuffer) _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer[i]); + } + } else { + if (Array.isArray(renderTargetProperties.__webglFramebuffer)) { + for (let level = 0; level < renderTargetProperties.__webglFramebuffer.length; level++) _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[level]); + } else { + _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer); + } + if (renderTargetProperties.__webglDepthbuffer) _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer); + if (renderTargetProperties.__webglMultisampledFramebuffer) _gl.deleteFramebuffer(renderTargetProperties.__webglMultisampledFramebuffer); + if (renderTargetProperties.__webglColorRenderbuffer) { + for (let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i++) { + if (renderTargetProperties.__webglColorRenderbuffer[i]) _gl.deleteRenderbuffer(renderTargetProperties.__webglColorRenderbuffer[i]); + } + } + if (renderTargetProperties.__webglDepthRenderbuffer) _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthRenderbuffer); + } + const textures = renderTarget.textures; + for (let i = 0, il = textures.length; i < il; i++) { + const attachmentProperties = properties.get(textures[i]); + if (attachmentProperties.__webglTexture) { + _gl.deleteTexture(attachmentProperties.__webglTexture); + info.memory.textures--; + } + properties.remove(textures[i]); + } + properties.remove(renderTarget); + } + let textureUnits = 0; + function resetTextureUnits() { + textureUnits = 0; + } + function allocateTextureUnit() { + const textureUnit = textureUnits; + if (textureUnit >= capabilities.maxTextures) { + warn("WebGLTextures: Trying to use " + textureUnit + " texture units while this GPU supports only " + capabilities.maxTextures); + } + textureUnits += 1; + return textureUnit; + } + function getTextureCacheKey(texture) { + const array = []; + array.push(texture.wrapS); + array.push(texture.wrapT); + array.push(texture.wrapR || 0); + array.push(texture.magFilter); + array.push(texture.minFilter); + array.push(texture.anisotropy); + array.push(texture.internalFormat); + array.push(texture.format); + array.push(texture.type); + array.push(texture.generateMipmaps); + array.push(texture.premultiplyAlpha); + array.push(texture.flipY); + array.push(texture.unpackAlignment); + array.push(texture.colorSpace); + return array.join(); + } + function setTexture2D(texture, slot) { + const textureProperties = properties.get(texture); + if (texture.isVideoTexture) updateVideoTexture(texture); + if (texture.isRenderTargetTexture === false && texture.isExternalTexture !== true && texture.version > 0 && textureProperties.__version !== texture.version) { + const image = texture.image; + if (image === null) { + warn("WebGLRenderer: Texture marked for update but no image data found."); + } else if (image.complete === false) { + warn("WebGLRenderer: Texture marked for update but image is incomplete"); + } else { + uploadTexture(textureProperties, texture, slot); + return; + } + } else if (texture.isExternalTexture) { + textureProperties.__webglTexture = texture.sourceTexture ? texture.sourceTexture : null; + } + state.bindTexture(_gl.TEXTURE_2D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + } + function setTexture2DArray(texture, slot) { + const textureProperties = properties.get(texture); + if (texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version) { + uploadTexture(textureProperties, texture, slot); + return; + } else if (texture.isExternalTexture) { + textureProperties.__webglTexture = texture.sourceTexture ? texture.sourceTexture : null; + } + state.bindTexture(_gl.TEXTURE_2D_ARRAY, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + } + function setTexture3D(texture, slot) { + const textureProperties = properties.get(texture); + if (texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version) { + uploadTexture(textureProperties, texture, slot); + return; + } + state.bindTexture(_gl.TEXTURE_3D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + } + function setTextureCube(texture, slot) { + const textureProperties = properties.get(texture); + if (texture.version > 0 && textureProperties.__version !== texture.version) { + uploadCubeTexture(textureProperties, texture, slot); + return; + } + state.bindTexture(_gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + } + const wrappingToGL = { + [RepeatWrapping]: _gl.REPEAT, + [ClampToEdgeWrapping]: _gl.CLAMP_TO_EDGE, + [MirroredRepeatWrapping]: _gl.MIRRORED_REPEAT + }; + const filterToGL = { + [NearestFilter]: _gl.NEAREST, + [NearestMipmapNearestFilter]: _gl.NEAREST_MIPMAP_NEAREST, + [NearestMipmapLinearFilter]: _gl.NEAREST_MIPMAP_LINEAR, + [LinearFilter]: _gl.LINEAR, + [LinearMipmapNearestFilter]: _gl.LINEAR_MIPMAP_NEAREST, + [LinearMipmapLinearFilter]: _gl.LINEAR_MIPMAP_LINEAR + }; + const compareToGL = { + [NeverCompare]: _gl.NEVER, + [AlwaysCompare]: _gl.ALWAYS, + [LessCompare]: _gl.LESS, + [LessEqualCompare]: _gl.LEQUAL, + [EqualCompare]: _gl.EQUAL, + [GreaterEqualCompare]: _gl.GEQUAL, + [GreaterCompare]: _gl.GREATER, + [NotEqualCompare]: _gl.NOTEQUAL + }; + function setTextureParameters(textureType, texture) { + if (texture.type === FloatType && extensions.has("OES_texture_float_linear") === false && (texture.magFilter === LinearFilter || texture.magFilter === LinearMipmapNearestFilter || texture.magFilter === NearestMipmapLinearFilter || texture.magFilter === LinearMipmapLinearFilter || texture.minFilter === LinearFilter || texture.minFilter === LinearMipmapNearestFilter || texture.minFilter === NearestMipmapLinearFilter || texture.minFilter === LinearMipmapLinearFilter)) { + warn("WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device."); + } + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_S, wrappingToGL[texture.wrapS]); + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_T, wrappingToGL[texture.wrapT]); + if (textureType === _gl.TEXTURE_3D || textureType === _gl.TEXTURE_2D_ARRAY) { + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_R, wrappingToGL[texture.wrapR]); + } + _gl.texParameteri(textureType, _gl.TEXTURE_MAG_FILTER, filterToGL[texture.magFilter]); + _gl.texParameteri(textureType, _gl.TEXTURE_MIN_FILTER, filterToGL[texture.minFilter]); + if (texture.compareFunction) { + _gl.texParameteri(textureType, _gl.TEXTURE_COMPARE_MODE, _gl.COMPARE_REF_TO_TEXTURE); + _gl.texParameteri(textureType, _gl.TEXTURE_COMPARE_FUNC, compareToGL[texture.compareFunction]); + } + if (extensions.has("EXT_texture_filter_anisotropic") === true) { + if (texture.magFilter === NearestFilter) return; + if (texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter) return; + if (texture.type === FloatType && extensions.has("OES_texture_float_linear") === false) return; + if (texture.anisotropy > 1 || properties.get(texture).__currentAnisotropy) { + const extension = extensions.get("EXT_texture_filter_anisotropic"); + _gl.texParameterf(textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min(texture.anisotropy, capabilities.getMaxAnisotropy())); + properties.get(texture).__currentAnisotropy = texture.anisotropy; + } + } + } + function initTexture(textureProperties, texture) { + let forceUpload = false; + if (textureProperties.__webglInit === void 0) { + textureProperties.__webglInit = true; + texture.addEventListener("dispose", onTextureDispose); + } + const source = texture.source; + let webglTextures = _sources.get(source); + if (webglTextures === void 0) { + webglTextures = {}; + _sources.set(source, webglTextures); + } + const textureCacheKey = getTextureCacheKey(texture); + if (textureCacheKey !== textureProperties.__cacheKey) { + if (webglTextures[textureCacheKey] === void 0) { + webglTextures[textureCacheKey] = { + texture: _gl.createTexture(), + usedTimes: 0 + }; + info.memory.textures++; + forceUpload = true; + } + webglTextures[textureCacheKey].usedTimes++; + const webglTexture = webglTextures[textureProperties.__cacheKey]; + if (webglTexture !== void 0) { + webglTextures[textureProperties.__cacheKey].usedTimes--; + if (webglTexture.usedTimes === 0) { + deleteTexture(texture); + } + } + textureProperties.__cacheKey = textureCacheKey; + textureProperties.__webglTexture = webglTextures[textureCacheKey].texture; + } + return forceUpload; + } + function getRow(index, rowLength, componentStride) { + return Math.floor(Math.floor(index / componentStride) / rowLength); + } + function updateTexture(texture, image, glFormat, glType) { + const componentStride = 4; + const updateRanges = texture.updateRanges; + if (updateRanges.length === 0) { + state.texSubImage2D(_gl.TEXTURE_2D, 0, 0, 0, image.width, image.height, glFormat, glType, image.data); + } else { + updateRanges.sort((a, b) => a.start - b.start); + let mergeIndex = 0; + for (let i = 1; i < updateRanges.length; i++) { + const previousRange = updateRanges[mergeIndex]; + const range = updateRanges[i]; + const previousEnd = previousRange.start + previousRange.count; + const currentRow = getRow(range.start, image.width, componentStride); + const previousRow = getRow(previousRange.start, image.width, componentStride); + if (range.start <= previousEnd + 1 && currentRow === previousRow && getRow(range.start + range.count - 1, image.width, componentStride) === currentRow) { + previousRange.count = Math.max( + previousRange.count, + range.start + range.count - previousRange.start + ); + } else { + ++mergeIndex; + updateRanges[mergeIndex] = range; + } + } + updateRanges.length = mergeIndex + 1; + const currentUnpackRowLen = _gl.getParameter(_gl.UNPACK_ROW_LENGTH); + const currentUnpackSkipPixels = _gl.getParameter(_gl.UNPACK_SKIP_PIXELS); + const currentUnpackSkipRows = _gl.getParameter(_gl.UNPACK_SKIP_ROWS); + _gl.pixelStorei(_gl.UNPACK_ROW_LENGTH, image.width); + for (let i = 0, l = updateRanges.length; i < l; i++) { + const range = updateRanges[i]; + const pixelStart = Math.floor(range.start / componentStride); + const pixelCount = Math.ceil(range.count / componentStride); + const x = pixelStart % image.width; + const y = Math.floor(pixelStart / image.width); + const width = pixelCount; + const height = 1; + _gl.pixelStorei(_gl.UNPACK_SKIP_PIXELS, x); + _gl.pixelStorei(_gl.UNPACK_SKIP_ROWS, y); + state.texSubImage2D(_gl.TEXTURE_2D, 0, x, y, width, height, glFormat, glType, image.data); + } + texture.clearUpdateRanges(); + _gl.pixelStorei(_gl.UNPACK_ROW_LENGTH, currentUnpackRowLen); + _gl.pixelStorei(_gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels); + _gl.pixelStorei(_gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows); + } + } + function uploadTexture(textureProperties, texture, slot) { + let textureType = _gl.TEXTURE_2D; + if (texture.isDataArrayTexture || texture.isCompressedArrayTexture) textureType = _gl.TEXTURE_2D_ARRAY; + if (texture.isData3DTexture) textureType = _gl.TEXTURE_3D; + const forceUpload = initTexture(textureProperties, texture); + const source = texture.source; + state.bindTexture(textureType, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + const sourceProperties = properties.get(source); + if (source.version !== sourceProperties.__version || forceUpload === true) { + state.activeTexture(_gl.TEXTURE0 + slot); + const workingPrimaries = ColorManagement.getPrimaries(ColorManagement.workingColorSpace); + const texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries(texture.colorSpace); + const unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL; + _gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL, texture.flipY); + _gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha); + _gl.pixelStorei(_gl.UNPACK_ALIGNMENT, texture.unpackAlignment); + _gl.pixelStorei(_gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion); + let image = resizeImage(texture.image, false, capabilities.maxTextureSize); + image = verifyColorSpace(texture, image); + const glFormat = utils.convert(texture.format, texture.colorSpace); + const glType = utils.convert(texture.type); + let glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.colorSpace, texture.isVideoTexture); + setTextureParameters(textureType, texture); + let mipmap; + const mipmaps = texture.mipmaps; + const useTexStorage = texture.isVideoTexture !== true; + const allocateMemory = sourceProperties.__version === void 0 || forceUpload === true; + const dataReady = source.dataReady; + const levels = getMipLevels(texture, image); + if (texture.isDepthTexture) { + glInternalFormat = getInternalDepthFormat(texture.format === DepthStencilFormat, texture.type); + if (allocateMemory) { + if (useTexStorage) { + state.texStorage2D(_gl.TEXTURE_2D, 1, glInternalFormat, image.width, image.height); + } else { + state.texImage2D(_gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null); + } + } + } else if (texture.isDataTexture) { + if (mipmaps.length > 0) { + if (useTexStorage && allocateMemory) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[0].width, mipmaps[0].height); + } + for (let i = 0, il = mipmaps.length; i < il; i++) { + mipmap = mipmaps[i]; + if (useTexStorage) { + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data); + } + } else { + state.texImage2D(_gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data); + } + } + texture.generateMipmaps = false; + } else { + if (useTexStorage) { + if (allocateMemory) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height); + } + if (dataReady) { + updateTexture(texture, image, glFormat, glType); + } + } else { + state.texImage2D(_gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data); + } + } + } else if (texture.isCompressedTexture) { + if (texture.isCompressedArrayTexture) { + if (useTexStorage && allocateMemory) { + state.texStorage3D(_gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, mipmaps[0].width, mipmaps[0].height, image.depth); + } + for (let i = 0, il = mipmaps.length; i < il; i++) { + mipmap = mipmaps[i]; + if (texture.format !== RGBAFormat) { + if (glFormat !== null) { + if (useTexStorage) { + if (dataReady) { + if (texture.layerUpdates.size > 0) { + const layerByteLength = getByteLength(mipmap.width, mipmap.height, texture.format, texture.type); + for (const layerIndex of texture.layerUpdates) { + const layerData = mipmap.data.subarray( + layerIndex * layerByteLength / mipmap.data.BYTES_PER_ELEMENT, + (layerIndex + 1) * layerByteLength / mipmap.data.BYTES_PER_ELEMENT + ); + state.compressedTexSubImage3D(_gl.TEXTURE_2D_ARRAY, i, 0, 0, layerIndex, mipmap.width, mipmap.height, 1, glFormat, layerData); + } + texture.clearLayerUpdates(); + } else { + state.compressedTexSubImage3D(_gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, mipmap.data); + } + } + } else { + state.compressedTexImage3D(_gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, mipmap.data, 0, 0); + } + } else { + warn("WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"); + } + } else { + if (useTexStorage) { + if (dataReady) { + state.texSubImage3D(_gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, glType, mipmap.data); + } + } else { + state.texImage3D(_gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, glFormat, glType, mipmap.data); + } + } + } + } else { + if (useTexStorage && allocateMemory) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[0].width, mipmaps[0].height); + } + for (let i = 0, il = mipmaps.length; i < il; i++) { + mipmap = mipmaps[i]; + if (texture.format !== RGBAFormat) { + if (glFormat !== null) { + if (useTexStorage) { + if (dataReady) { + state.compressedTexSubImage2D(_gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data); + } + } else { + state.compressedTexImage2D(_gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data); + } + } else { + warn("WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"); + } + } else { + if (useTexStorage) { + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data); + } + } else { + state.texImage2D(_gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data); + } + } + } + } + } else if (texture.isDataArrayTexture) { + if (useTexStorage) { + if (allocateMemory) { + state.texStorage3D(_gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, image.width, image.height, image.depth); + } + if (dataReady) { + if (texture.layerUpdates.size > 0) { + const layerByteLength = getByteLength(image.width, image.height, texture.format, texture.type); + for (const layerIndex of texture.layerUpdates) { + const layerData = image.data.subarray( + layerIndex * layerByteLength / image.data.BYTES_PER_ELEMENT, + (layerIndex + 1) * layerByteLength / image.data.BYTES_PER_ELEMENT + ); + state.texSubImage3D(_gl.TEXTURE_2D_ARRAY, 0, 0, 0, layerIndex, image.width, image.height, 1, glFormat, glType, layerData); + } + texture.clearLayerUpdates(); + } else { + state.texSubImage3D(_gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data); + } + } + } else { + state.texImage3D(_gl.TEXTURE_2D_ARRAY, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data); + } + } else if (texture.isData3DTexture) { + if (useTexStorage) { + if (allocateMemory) { + state.texStorage3D(_gl.TEXTURE_3D, levels, glInternalFormat, image.width, image.height, image.depth); + } + if (dataReady) { + state.texSubImage3D(_gl.TEXTURE_3D, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data); + } + } else { + state.texImage3D(_gl.TEXTURE_3D, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data); + } + } else if (texture.isFramebufferTexture) { + if (allocateMemory) { + if (useTexStorage) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height); + } else { + let width = image.width, height = image.height; + for (let i = 0; i < levels; i++) { + state.texImage2D(_gl.TEXTURE_2D, i, glInternalFormat, width, height, 0, glFormat, glType, null); + width >>= 1; + height >>= 1; + } + } + } + } else { + if (mipmaps.length > 0) { + if (useTexStorage && allocateMemory) { + const dimensions = getDimensions(mipmaps[0]); + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height); + } + for (let i = 0, il = mipmaps.length; i < il; i++) { + mipmap = mipmaps[i]; + if (useTexStorage) { + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_2D, i, 0, 0, glFormat, glType, mipmap); + } + } else { + state.texImage2D(_gl.TEXTURE_2D, i, glInternalFormat, glFormat, glType, mipmap); + } + } + texture.generateMipmaps = false; + } else { + if (useTexStorage) { + if (allocateMemory) { + const dimensions = getDimensions(image); + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height); + } + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_2D, 0, 0, 0, glFormat, glType, image); + } + } else { + state.texImage2D(_gl.TEXTURE_2D, 0, glInternalFormat, glFormat, glType, image); + } + } + } + if (textureNeedsGenerateMipmaps(texture)) { + generateMipmap(textureType); + } + sourceProperties.__version = source.version; + if (texture.onUpdate) texture.onUpdate(texture); + } + textureProperties.__version = texture.version; + } + function uploadCubeTexture(textureProperties, texture, slot) { + if (texture.image.length !== 6) return; + const forceUpload = initTexture(textureProperties, texture); + const source = texture.source; + state.bindTexture(_gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + const sourceProperties = properties.get(source); + if (source.version !== sourceProperties.__version || forceUpload === true) { + state.activeTexture(_gl.TEXTURE0 + slot); + const workingPrimaries = ColorManagement.getPrimaries(ColorManagement.workingColorSpace); + const texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries(texture.colorSpace); + const unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL; + _gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL, texture.flipY); + _gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha); + _gl.pixelStorei(_gl.UNPACK_ALIGNMENT, texture.unpackAlignment); + _gl.pixelStorei(_gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion); + const isCompressed = texture.isCompressedTexture || texture.image[0].isCompressedTexture; + const isDataTexture = texture.image[0] && texture.image[0].isDataTexture; + const cubeImage = []; + for (let i = 0; i < 6; i++) { + if (!isCompressed && !isDataTexture) { + cubeImage[i] = resizeImage(texture.image[i], true, capabilities.maxCubemapSize); + } else { + cubeImage[i] = isDataTexture ? texture.image[i].image : texture.image[i]; + } + cubeImage[i] = verifyColorSpace(texture, cubeImage[i]); + } + const image = cubeImage[0], glFormat = utils.convert(texture.format, texture.colorSpace), glType = utils.convert(texture.type), glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.colorSpace); + const useTexStorage = texture.isVideoTexture !== true; + const allocateMemory = sourceProperties.__version === void 0 || forceUpload === true; + const dataReady = source.dataReady; + let levels = getMipLevels(texture, image); + setTextureParameters(_gl.TEXTURE_CUBE_MAP, texture); + let mipmaps; + if (isCompressed) { + if (useTexStorage && allocateMemory) { + state.texStorage2D(_gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, image.width, image.height); + } + for (let i = 0; i < 6; i++) { + mipmaps = cubeImage[i].mipmaps; + for (let j = 0; j < mipmaps.length; j++) { + const mipmap = mipmaps[j]; + if (texture.format !== RGBAFormat) { + if (glFormat !== null) { + if (useTexStorage) { + if (dataReady) { + state.compressedTexSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data); + } + } else { + state.compressedTexImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data); + } + } else { + warn("WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"); + } + } else { + if (useTexStorage) { + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data); + } + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data); + } + } + } + } + } else { + mipmaps = texture.mipmaps; + if (useTexStorage && allocateMemory) { + if (mipmaps.length > 0) levels++; + const dimensions = getDimensions(cubeImage[0]); + state.texStorage2D(_gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, dimensions.width, dimensions.height); + } + for (let i = 0; i < 6; i++) { + if (isDataTexture) { + if (useTexStorage) { + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, cubeImage[i].width, cubeImage[i].height, glFormat, glType, cubeImage[i].data); + } + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, cubeImage[i].width, cubeImage[i].height, 0, glFormat, glType, cubeImage[i].data); + } + for (let j = 0; j < mipmaps.length; j++) { + const mipmap = mipmaps[j]; + const mipmapImage = mipmap.image[i].image; + if (useTexStorage) { + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data); + } + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data); + } + } + } else { + if (useTexStorage) { + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, glFormat, glType, cubeImage[i]); + } + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, glFormat, glType, cubeImage[i]); + } + for (let j = 0; j < mipmaps.length; j++) { + const mipmap = mipmaps[j]; + if (useTexStorage) { + if (dataReady) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, glFormat, glType, mipmap.image[i]); + } + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[i]); + } + } + } + } + } + if (textureNeedsGenerateMipmaps(texture)) { + generateMipmap(_gl.TEXTURE_CUBE_MAP); + } + sourceProperties.__version = source.version; + if (texture.onUpdate) texture.onUpdate(texture); + } + textureProperties.__version = texture.version; + } + function setupFrameBufferTexture(framebuffer, renderTarget, texture, attachment, textureTarget, level) { + const glFormat = utils.convert(texture.format, texture.colorSpace); + const glType = utils.convert(texture.type); + const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.colorSpace); + const renderTargetProperties = properties.get(renderTarget); + const textureProperties = properties.get(texture); + textureProperties.__renderTarget = renderTarget; + if (!renderTargetProperties.__hasExternalTextures) { + const width = Math.max(1, renderTarget.width >> level); + const height = Math.max(1, renderTarget.height >> level); + if (textureTarget === _gl.TEXTURE_3D || textureTarget === _gl.TEXTURE_2D_ARRAY) { + state.texImage3D(textureTarget, level, glInternalFormat, width, height, renderTarget.depth, 0, glFormat, glType, null); + } else { + state.texImage2D(textureTarget, level, glInternalFormat, width, height, 0, glFormat, glType, null); + } + } + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, 0, getRenderTargetSamples(renderTarget)); + } else if (textureTarget === _gl.TEXTURE_2D || textureTarget >= _gl.TEXTURE_CUBE_MAP_POSITIVE_X && textureTarget <= _gl.TEXTURE_CUBE_MAP_NEGATIVE_Z) { + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, level); + } + state.bindFramebuffer(_gl.FRAMEBUFFER, null); + } + function setupRenderBufferStorage(renderbuffer, renderTarget, isMultisample) { + _gl.bindRenderbuffer(_gl.RENDERBUFFER, renderbuffer); + if (renderTarget.depthBuffer) { + const depthTexture = renderTarget.depthTexture; + const depthType = depthTexture && depthTexture.isDepthTexture ? depthTexture.type : null; + const glInternalFormat = getInternalDepthFormat(renderTarget.stencilBuffer, depthType); + const glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const samples = getRenderTargetSamples(renderTarget); + const isUseMultisampledRTT = useMultisampledRTT(renderTarget); + if (isUseMultisampledRTT) { + multisampledRTTExt.renderbufferStorageMultisampleEXT(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + } else if (isMultisample) { + _gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + } else { + _gl.renderbufferStorage(_gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height); + } + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer); + } else { + const textures = renderTarget.textures; + for (let i = 0; i < textures.length; i++) { + const texture = textures[i]; + const glFormat = utils.convert(texture.format, texture.colorSpace); + const glType = utils.convert(texture.type); + const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.colorSpace); + const samples = getRenderTargetSamples(renderTarget); + if (isMultisample && useMultisampledRTT(renderTarget) === false) { + _gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + } else if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.renderbufferStorageMultisampleEXT(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + } else { + _gl.renderbufferStorage(_gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height); + } + } + } + _gl.bindRenderbuffer(_gl.RENDERBUFFER, null); + } + function setupDepthTexture(framebuffer, renderTarget) { + const isCube = renderTarget && renderTarget.isWebGLCubeRenderTarget; + if (isCube) throw new Error("Depth Texture with cube render targets is not supported"); + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + if (!(renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture)) { + throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture"); + } + const textureProperties = properties.get(renderTarget.depthTexture); + textureProperties.__renderTarget = renderTarget; + if (!textureProperties.__webglTexture || renderTarget.depthTexture.image.width !== renderTarget.width || renderTarget.depthTexture.image.height !== renderTarget.height) { + renderTarget.depthTexture.image.width = renderTarget.width; + renderTarget.depthTexture.image.height = renderTarget.height; + renderTarget.depthTexture.needsUpdate = true; + } + setTexture2D(renderTarget.depthTexture, 0); + const webglDepthTexture = textureProperties.__webglTexture; + const samples = getRenderTargetSamples(renderTarget); + if (renderTarget.depthTexture.format === DepthFormat) { + if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples); + } else { + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0); + } + } else if (renderTarget.depthTexture.format === DepthStencilFormat) { + if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples); + } else { + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0); + } + } else { + throw new Error("Unknown depthTexture format"); + } + } + function setupDepthRenderbuffer(renderTarget) { + const renderTargetProperties = properties.get(renderTarget); + const isCube = renderTarget.isWebGLCubeRenderTarget === true; + if (renderTargetProperties.__boundDepthTexture !== renderTarget.depthTexture) { + const depthTexture = renderTarget.depthTexture; + if (renderTargetProperties.__depthDisposeCallback) { + renderTargetProperties.__depthDisposeCallback(); + } + if (depthTexture) { + const disposeEvent = () => { + delete renderTargetProperties.__boundDepthTexture; + delete renderTargetProperties.__depthDisposeCallback; + depthTexture.removeEventListener("dispose", disposeEvent); + }; + depthTexture.addEventListener("dispose", disposeEvent); + renderTargetProperties.__depthDisposeCallback = disposeEvent; + } + renderTargetProperties.__boundDepthTexture = depthTexture; + } + if (renderTarget.depthTexture && !renderTargetProperties.__autoAllocateDepthBuffer) { + if (isCube) throw new Error("target.depthTexture not supported in Cube render targets"); + const mipmaps = renderTarget.texture.mipmaps; + if (mipmaps && mipmaps.length > 0) { + setupDepthTexture(renderTargetProperties.__webglFramebuffer[0], renderTarget); + } else { + setupDepthTexture(renderTargetProperties.__webglFramebuffer, renderTarget); + } + } else { + if (isCube) { + renderTargetProperties.__webglDepthbuffer = []; + for (let i = 0; i < 6; i++) { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[i]); + if (renderTargetProperties.__webglDepthbuffer[i] === void 0) { + renderTargetProperties.__webglDepthbuffer[i] = _gl.createRenderbuffer(); + setupRenderBufferStorage(renderTargetProperties.__webglDepthbuffer[i], renderTarget, false); + } else { + const glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const renderbuffer = renderTargetProperties.__webglDepthbuffer[i]; + _gl.bindRenderbuffer(_gl.RENDERBUFFER, renderbuffer); + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer); + } + } + } else { + const mipmaps = renderTarget.texture.mipmaps; + if (mipmaps && mipmaps.length > 0) { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[0]); + } else { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer); + } + if (renderTargetProperties.__webglDepthbuffer === void 0) { + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage(renderTargetProperties.__webglDepthbuffer, renderTarget, false); + } else { + const glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const renderbuffer = renderTargetProperties.__webglDepthbuffer; + _gl.bindRenderbuffer(_gl.RENDERBUFFER, renderbuffer); + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer); + } + } + } + state.bindFramebuffer(_gl.FRAMEBUFFER, null); + } + function rebindTextures(renderTarget, colorTexture, depthTexture) { + const renderTargetProperties = properties.get(renderTarget); + if (colorTexture !== void 0) { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, 0); + } + if (depthTexture !== void 0) { + setupDepthRenderbuffer(renderTarget); + } + } + function setupRenderTarget(renderTarget) { + const texture = renderTarget.texture; + const renderTargetProperties = properties.get(renderTarget); + const textureProperties = properties.get(texture); + renderTarget.addEventListener("dispose", onRenderTargetDispose); + const textures = renderTarget.textures; + const isCube = renderTarget.isWebGLCubeRenderTarget === true; + const isMultipleRenderTargets = textures.length > 1; + if (!isMultipleRenderTargets) { + if (textureProperties.__webglTexture === void 0) { + textureProperties.__webglTexture = _gl.createTexture(); + } + textureProperties.__version = texture.version; + info.memory.textures++; + } + if (isCube) { + renderTargetProperties.__webglFramebuffer = []; + for (let i = 0; i < 6; i++) { + if (texture.mipmaps && texture.mipmaps.length > 0) { + renderTargetProperties.__webglFramebuffer[i] = []; + for (let level = 0; level < texture.mipmaps.length; level++) { + renderTargetProperties.__webglFramebuffer[i][level] = _gl.createFramebuffer(); + } + } else { + renderTargetProperties.__webglFramebuffer[i] = _gl.createFramebuffer(); + } + } + } else { + if (texture.mipmaps && texture.mipmaps.length > 0) { + renderTargetProperties.__webglFramebuffer = []; + for (let level = 0; level < texture.mipmaps.length; level++) { + renderTargetProperties.__webglFramebuffer[level] = _gl.createFramebuffer(); + } + } else { + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + } + if (isMultipleRenderTargets) { + for (let i = 0, il = textures.length; i < il; i++) { + const attachmentProperties = properties.get(textures[i]); + if (attachmentProperties.__webglTexture === void 0) { + attachmentProperties.__webglTexture = _gl.createTexture(); + info.memory.textures++; + } + } + } + if (renderTarget.samples > 0 && useMultisampledRTT(renderTarget) === false) { + renderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer(); + renderTargetProperties.__webglColorRenderbuffer = []; + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + for (let i = 0; i < textures.length; i++) { + const texture2 = textures[i]; + renderTargetProperties.__webglColorRenderbuffer[i] = _gl.createRenderbuffer(); + _gl.bindRenderbuffer(_gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[i]); + const glFormat = utils.convert(texture2.format, texture2.colorSpace); + const glType = utils.convert(texture2.type); + const glInternalFormat = getInternalFormat(texture2.internalFormat, glFormat, glType, texture2.colorSpace, renderTarget.isXRRenderTarget === true); + const samples = getRenderTargetSamples(renderTarget); + _gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[i]); + } + _gl.bindRenderbuffer(_gl.RENDERBUFFER, null); + if (renderTarget.depthBuffer) { + renderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage(renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true); + } + state.bindFramebuffer(_gl.FRAMEBUFFER, null); + } + } + if (isCube) { + state.bindTexture(_gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture); + setTextureParameters(_gl.TEXTURE_CUBE_MAP, texture); + for (let i = 0; i < 6; i++) { + if (texture.mipmaps && texture.mipmaps.length > 0) { + for (let level = 0; level < texture.mipmaps.length; level++) { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer[i][level], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level); + } + } else { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer[i], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0); + } + } + if (textureNeedsGenerateMipmaps(texture)) { + generateMipmap(_gl.TEXTURE_CUBE_MAP); + } + state.unbindTexture(); + } else if (isMultipleRenderTargets) { + for (let i = 0, il = textures.length; i < il; i++) { + const attachment = textures[i]; + const attachmentProperties = properties.get(attachment); + let glTextureType = _gl.TEXTURE_2D; + if (renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget) { + glTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY; + } + state.bindTexture(glTextureType, attachmentProperties.__webglTexture); + setTextureParameters(glTextureType, attachment); + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer, renderTarget, attachment, _gl.COLOR_ATTACHMENT0 + i, glTextureType, 0); + if (textureNeedsGenerateMipmaps(attachment)) { + generateMipmap(glTextureType); + } + } + state.unbindTexture(); + } else { + let glTextureType = _gl.TEXTURE_2D; + if (renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget) { + glTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY; + } + state.bindTexture(glTextureType, textureProperties.__webglTexture); + setTextureParameters(glTextureType, texture); + if (texture.mipmaps && texture.mipmaps.length > 0) { + for (let level = 0; level < texture.mipmaps.length; level++) { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer[level], renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, level); + } + } else { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer, renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, 0); + } + if (textureNeedsGenerateMipmaps(texture)) { + generateMipmap(glTextureType); + } + state.unbindTexture(); + } + if (renderTarget.depthBuffer) { + setupDepthRenderbuffer(renderTarget); + } + } + function updateRenderTargetMipmap(renderTarget) { + const textures = renderTarget.textures; + for (let i = 0, il = textures.length; i < il; i++) { + const texture = textures[i]; + if (textureNeedsGenerateMipmaps(texture)) { + const targetType = getTargetType(renderTarget); + const webglTexture = properties.get(texture).__webglTexture; + state.bindTexture(targetType, webglTexture); + generateMipmap(targetType); + state.unbindTexture(); + } + } + } + const invalidationArrayRead = []; + const invalidationArrayDraw = []; + function updateMultisampleRenderTarget(renderTarget) { + if (renderTarget.samples > 0) { + if (useMultisampledRTT(renderTarget) === false) { + const textures = renderTarget.textures; + const width = renderTarget.width; + const height = renderTarget.height; + let mask = _gl.COLOR_BUFFER_BIT; + const depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const renderTargetProperties = properties.get(renderTarget); + const isMultipleRenderTargets = textures.length > 1; + if (isMultipleRenderTargets) { + for (let i = 0; i < textures.length; i++) { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, null); + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer); + _gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, null, 0); + } + } + state.bindFramebuffer(_gl.READ_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + const mipmaps = renderTarget.texture.mipmaps; + if (mipmaps && mipmaps.length > 0) { + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[0]); + } else { + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer); + } + for (let i = 0; i < textures.length; i++) { + if (renderTarget.resolveDepthBuffer) { + if (renderTarget.depthBuffer) mask |= _gl.DEPTH_BUFFER_BIT; + if (renderTarget.stencilBuffer && renderTarget.resolveStencilBuffer) mask |= _gl.STENCIL_BUFFER_BIT; + } + if (isMultipleRenderTargets) { + _gl.framebufferRenderbuffer(_gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[i]); + const webglTexture = properties.get(textures[i]).__webglTexture; + _gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, webglTexture, 0); + } + _gl.blitFramebuffer(0, 0, width, height, 0, 0, width, height, mask, _gl.NEAREST); + if (supportsInvalidateFramebuffer === true) { + invalidationArrayRead.length = 0; + invalidationArrayDraw.length = 0; + invalidationArrayRead.push(_gl.COLOR_ATTACHMENT0 + i); + if (renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false) { + invalidationArrayRead.push(depthStyle); + invalidationArrayDraw.push(depthStyle); + _gl.invalidateFramebuffer(_gl.DRAW_FRAMEBUFFER, invalidationArrayDraw); + } + _gl.invalidateFramebuffer(_gl.READ_FRAMEBUFFER, invalidationArrayRead); + } + } + state.bindFramebuffer(_gl.READ_FRAMEBUFFER, null); + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, null); + if (isMultipleRenderTargets) { + for (let i = 0; i < textures.length; i++) { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[i]); + const webglTexture = properties.get(textures[i]).__webglTexture; + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer); + _gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, webglTexture, 0); + } + } + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + } else { + if (renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false && supportsInvalidateFramebuffer) { + const depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + _gl.invalidateFramebuffer(_gl.DRAW_FRAMEBUFFER, [depthStyle]); + } + } + } + } + function getRenderTargetSamples(renderTarget) { + return Math.min(capabilities.maxSamples, renderTarget.samples); + } + function useMultisampledRTT(renderTarget) { + const renderTargetProperties = properties.get(renderTarget); + return renderTarget.samples > 0 && extensions.has("WEBGL_multisampled_render_to_texture") === true && renderTargetProperties.__useRenderToTexture !== false; + } + function updateVideoTexture(texture) { + const frame = info.render.frame; + if (_videoTextures.get(texture) !== frame) { + _videoTextures.set(texture, frame); + texture.update(); + } + } + function verifyColorSpace(texture, image) { + const colorSpace = texture.colorSpace; + const format = texture.format; + const type = texture.type; + if (texture.isCompressedTexture === true || texture.isVideoTexture === true) return image; + if (colorSpace !== LinearSRGBColorSpace && colorSpace !== NoColorSpace) { + if (ColorManagement.getTransfer(colorSpace) === SRGBTransfer) { + if (format !== RGBAFormat || type !== UnsignedByteType) { + warn("WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."); + } + } else { + error("WebGLTextures: Unsupported texture color space:", colorSpace); + } + } + return image; + } + function getDimensions(image) { + if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement) { + _imageDimensions.width = image.naturalWidth || image.width; + _imageDimensions.height = image.naturalHeight || image.height; + } else if (typeof VideoFrame !== "undefined" && image instanceof VideoFrame) { + _imageDimensions.width = image.displayWidth; + _imageDimensions.height = image.displayHeight; + } else { + _imageDimensions.width = image.width; + _imageDimensions.height = image.height; + } + return _imageDimensions; + } + this.allocateTextureUnit = allocateTextureUnit; + this.resetTextureUnits = resetTextureUnits; + this.setTexture2D = setTexture2D; + this.setTexture2DArray = setTexture2DArray; + this.setTexture3D = setTexture3D; + this.setTextureCube = setTextureCube; + this.rebindTextures = rebindTextures; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; + this.updateMultisampleRenderTarget = updateMultisampleRenderTarget; + this.setupDepthRenderbuffer = setupDepthRenderbuffer; + this.setupFrameBufferTexture = setupFrameBufferTexture; + this.useMultisampledRTT = useMultisampledRTT; +} +function WebGLUtils(gl, extensions) { + function convert(p, colorSpace = NoColorSpace) { + let extension; + const transfer = ColorManagement.getTransfer(colorSpace); + if (p === UnsignedByteType) return gl.UNSIGNED_BYTE; + if (p === UnsignedShort4444Type) return gl.UNSIGNED_SHORT_4_4_4_4; + if (p === UnsignedShort5551Type) return gl.UNSIGNED_SHORT_5_5_5_1; + if (p === UnsignedInt5999Type) return gl.UNSIGNED_INT_5_9_9_9_REV; + if (p === UnsignedInt101111Type) return gl.UNSIGNED_INT_10F_11F_11F_REV; + if (p === ByteType) return gl.BYTE; + if (p === ShortType) return gl.SHORT; + if (p === UnsignedShortType) return gl.UNSIGNED_SHORT; + if (p === IntType) return gl.INT; + if (p === UnsignedIntType) return gl.UNSIGNED_INT; + if (p === FloatType) return gl.FLOAT; + if (p === HalfFloatType) return gl.HALF_FLOAT; + if (p === AlphaFormat) return gl.ALPHA; + if (p === RGBFormat) return gl.RGB; + if (p === RGBAFormat) return gl.RGBA; + if (p === DepthFormat) return gl.DEPTH_COMPONENT; + if (p === DepthStencilFormat) return gl.DEPTH_STENCIL; + if (p === RedFormat) return gl.RED; + if (p === RedIntegerFormat) return gl.RED_INTEGER; + if (p === RGFormat) return gl.RG; + if (p === RGIntegerFormat) return gl.RG_INTEGER; + if (p === RGBAIntegerFormat) return gl.RGBA_INTEGER; + if (p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format) { + if (transfer === SRGBTransfer) { + extension = extensions.get("WEBGL_compressed_texture_s3tc_srgb"); + if (extension !== null) { + if (p === RGB_S3TC_DXT1_Format) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT; + if (p === RGBA_S3TC_DXT1_Format) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; + if (p === RGBA_S3TC_DXT3_Format) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; + if (p === RGBA_S3TC_DXT5_Format) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; + } else { + return null; + } + } else { + extension = extensions.get("WEBGL_compressed_texture_s3tc"); + if (extension !== null) { + if (p === RGB_S3TC_DXT1_Format) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if (p === RGBA_S3TC_DXT1_Format) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if (p === RGBA_S3TC_DXT3_Format) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if (p === RGBA_S3TC_DXT5_Format) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + } else { + return null; + } + } + } + if (p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format) { + extension = extensions.get("WEBGL_compressed_texture_pvrtc"); + if (extension !== null) { + if (p === RGB_PVRTC_4BPPV1_Format) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if (p === RGB_PVRTC_2BPPV1_Format) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if (p === RGBA_PVRTC_4BPPV1_Format) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if (p === RGBA_PVRTC_2BPPV1_Format) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + } else { + return null; + } + } + if (p === RGB_ETC1_Format || p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format) { + extension = extensions.get("WEBGL_compressed_texture_etc"); + if (extension !== null) { + if (p === RGB_ETC1_Format || p === RGB_ETC2_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2; + if (p === RGBA_ETC2_EAC_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC; + } else { + return null; + } + } + if (p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format || p === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format || p === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format || p === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format || p === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format) { + extension = extensions.get("WEBGL_compressed_texture_astc"); + if (extension !== null) { + if (p === RGBA_ASTC_4x4_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR; + if (p === RGBA_ASTC_5x4_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR; + if (p === RGBA_ASTC_5x5_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR; + if (p === RGBA_ASTC_6x5_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR; + if (p === RGBA_ASTC_6x6_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR; + if (p === RGBA_ASTC_8x5_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR; + if (p === RGBA_ASTC_8x6_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR; + if (p === RGBA_ASTC_8x8_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR; + if (p === RGBA_ASTC_10x5_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR; + if (p === RGBA_ASTC_10x6_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR; + if (p === RGBA_ASTC_10x8_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR; + if (p === RGBA_ASTC_10x10_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR; + if (p === RGBA_ASTC_12x10_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR; + if (p === RGBA_ASTC_12x12_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR; + } else { + return null; + } + } + if (p === RGBA_BPTC_Format || p === RGB_BPTC_SIGNED_Format || p === RGB_BPTC_UNSIGNED_Format) { + extension = extensions.get("EXT_texture_compression_bptc"); + if (extension !== null) { + if (p === RGBA_BPTC_Format) return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT; + if (p === RGB_BPTC_SIGNED_Format) return extension.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT; + if (p === RGB_BPTC_UNSIGNED_Format) return extension.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT; + } else { + return null; + } + } + if (p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format) { + extension = extensions.get("EXT_texture_compression_rgtc"); + if (extension !== null) { + if (p === RED_RGTC1_Format) return extension.COMPRESSED_RED_RGTC1_EXT; + if (p === SIGNED_RED_RGTC1_Format) return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT; + if (p === RED_GREEN_RGTC2_Format) return extension.COMPRESSED_RED_GREEN_RGTC2_EXT; + if (p === SIGNED_RED_GREEN_RGTC2_Format) return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT; + } else { + return null; + } + } + if (p === UnsignedInt248Type) return gl.UNSIGNED_INT_24_8; + return gl[p] !== void 0 ? gl[p] : null; + } + return { convert }; +} +var _occlusion_vertex = ` +void main() { + + gl_Position = vec4( position, 1.0 ); + +}`; +var _occlusion_fragment = ` +uniform sampler2DArray depthColor; +uniform float depthWidth; +uniform float depthHeight; + +void main() { + + vec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight ); + + if ( coord.x >= 1.0 ) { + + gl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r; + + } else { + + gl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r; + + } + +}`; +var WebXRDepthSensing = class { + /** + * Constructs a new depth sensing module. + */ + constructor() { + this.texture = null; + this.mesh = null; + this.depthNear = 0; + this.depthFar = 0; + } + /** + * Inits the depth sensing module + * + * @param {XRWebGLDepthInformation} depthData - The XR depth data. + * @param {XRRenderState} renderState - The XR render state. + */ + init(depthData, renderState) { + if (this.texture === null) { + const texture = new ExternalTexture(depthData.texture); + if (depthData.depthNear !== renderState.depthNear || depthData.depthFar !== renderState.depthFar) { + this.depthNear = depthData.depthNear; + this.depthFar = depthData.depthFar; + } + this.texture = texture; + } + } + /** + * Returns a plane mesh that visualizes the depth texture. + * + * @param {ArrayCamera} cameraXR - The XR camera. + * @return {?Mesh} The plane mesh. + */ + getMesh(cameraXR) { + if (this.texture !== null) { + if (this.mesh === null) { + const viewport = cameraXR.cameras[0].viewport; + const material = new ShaderMaterial({ + vertexShader: _occlusion_vertex, + fragmentShader: _occlusion_fragment, + uniforms: { + depthColor: { value: this.texture }, + depthWidth: { value: viewport.z }, + depthHeight: { value: viewport.w } + } + }); + this.mesh = new Mesh(new PlaneGeometry(20, 20), material); + } + } + return this.mesh; + } + /** + * Resets the module + */ + reset() { + this.texture = null; + this.mesh = null; + } + /** + * Returns a texture representing the depth of the user's environment. + * + * @return {?ExternalTexture} The depth texture. + */ + getDepthTexture() { + return this.texture; + } +}; +var WebXRManager = class extends EventDispatcher { + /** + * Constructs a new WebGL renderer. + * + * @param {WebGLRenderer} renderer - The renderer. + * @param {WebGL2RenderingContext} gl - The rendering context. + */ + constructor(renderer, gl) { + super(); + const scope = this; + let session = null; + let framebufferScaleFactor = 1; + let referenceSpace = null; + let referenceSpaceType = "local-floor"; + let foveation = 1; + let customReferenceSpace = null; + let pose = null; + let glBinding = null; + let glProjLayer = null; + let glBaseLayer = null; + let xrFrame = null; + const supportsGlBinding = typeof XRWebGLBinding !== "undefined"; + const depthSensing = new WebXRDepthSensing(); + const cameraAccessTextures = {}; + const attributes = gl.getContextAttributes(); + let initialRenderTarget = null; + let newRenderTarget = null; + const controllers = []; + const controllerInputSources = []; + const currentSize = new Vector2(); + let currentPixelRatio = null; + const cameraL = new PerspectiveCamera(); + cameraL.viewport = new Vector4(); + const cameraR = new PerspectiveCamera(); + cameraR.viewport = new Vector4(); + const cameras = [cameraL, cameraR]; + const cameraXR = new ArrayCamera(); + let _currentDepthNear = null; + let _currentDepthFar = null; + this.cameraAutoUpdate = true; + this.enabled = false; + this.isPresenting = false; + this.getController = function(index) { + let controller = controllers[index]; + if (controller === void 0) { + controller = new WebXRController(); + controllers[index] = controller; + } + return controller.getTargetRaySpace(); + }; + this.getControllerGrip = function(index) { + let controller = controllers[index]; + if (controller === void 0) { + controller = new WebXRController(); + controllers[index] = controller; + } + return controller.getGripSpace(); + }; + this.getHand = function(index) { + let controller = controllers[index]; + if (controller === void 0) { + controller = new WebXRController(); + controllers[index] = controller; + } + return controller.getHandSpace(); + }; + function onSessionEvent(event) { + const controllerIndex = controllerInputSources.indexOf(event.inputSource); + if (controllerIndex === -1) { + return; + } + const controller = controllers[controllerIndex]; + if (controller !== void 0) { + controller.update(event.inputSource, event.frame, customReferenceSpace || referenceSpace); + controller.dispatchEvent({ type: event.type, data: event.inputSource }); + } + } + function onSessionEnd() { + session.removeEventListener("select", onSessionEvent); + session.removeEventListener("selectstart", onSessionEvent); + session.removeEventListener("selectend", onSessionEvent); + session.removeEventListener("squeeze", onSessionEvent); + session.removeEventListener("squeezestart", onSessionEvent); + session.removeEventListener("squeezeend", onSessionEvent); + session.removeEventListener("end", onSessionEnd); + session.removeEventListener("inputsourceschange", onInputSourcesChange); + for (let i = 0; i < controllers.length; i++) { + const inputSource = controllerInputSources[i]; + if (inputSource === null) continue; + controllerInputSources[i] = null; + controllers[i].disconnect(inputSource); + } + _currentDepthNear = null; + _currentDepthFar = null; + depthSensing.reset(); + for (const key in cameraAccessTextures) { + delete cameraAccessTextures[key]; + } + renderer.setRenderTarget(initialRenderTarget); + glBaseLayer = null; + glProjLayer = null; + glBinding = null; + session = null; + newRenderTarget = null; + animation.stop(); + scope.isPresenting = false; + renderer.setPixelRatio(currentPixelRatio); + renderer.setSize(currentSize.width, currentSize.height, false); + scope.dispatchEvent({ type: "sessionend" }); + } + this.setFramebufferScaleFactor = function(value) { + framebufferScaleFactor = value; + if (scope.isPresenting === true) { + warn("WebXRManager: Cannot change framebuffer scale while presenting."); + } + }; + this.setReferenceSpaceType = function(value) { + referenceSpaceType = value; + if (scope.isPresenting === true) { + warn("WebXRManager: Cannot change reference space type while presenting."); + } + }; + this.getReferenceSpace = function() { + return customReferenceSpace || referenceSpace; + }; + this.setReferenceSpace = function(space) { + customReferenceSpace = space; + }; + this.getBaseLayer = function() { + return glProjLayer !== null ? glProjLayer : glBaseLayer; + }; + this.getBinding = function() { + if (glBinding === null && supportsGlBinding) { + glBinding = new XRWebGLBinding(session, gl); + } + return glBinding; + }; + this.getFrame = function() { + return xrFrame; + }; + this.getSession = function() { + return session; + }; + this.setSession = async function(value) { + session = value; + if (session !== null) { + initialRenderTarget = renderer.getRenderTarget(); + session.addEventListener("select", onSessionEvent); + session.addEventListener("selectstart", onSessionEvent); + session.addEventListener("selectend", onSessionEvent); + session.addEventListener("squeeze", onSessionEvent); + session.addEventListener("squeezestart", onSessionEvent); + session.addEventListener("squeezeend", onSessionEvent); + session.addEventListener("end", onSessionEnd); + session.addEventListener("inputsourceschange", onInputSourcesChange); + if (attributes.xrCompatible !== true) { + await gl.makeXRCompatible(); + } + currentPixelRatio = renderer.getPixelRatio(); + renderer.getSize(currentSize); + const supportsLayers = supportsGlBinding && "createProjectionLayer" in XRWebGLBinding.prototype; + if (!supportsLayers) { + const layerInit = { + antialias: attributes.antialias, + alpha: true, + depth: attributes.depth, + stencil: attributes.stencil, + framebufferScaleFactor + }; + glBaseLayer = new XRWebGLLayer(session, gl, layerInit); + session.updateRenderState({ baseLayer: glBaseLayer }); + renderer.setPixelRatio(1); + renderer.setSize(glBaseLayer.framebufferWidth, glBaseLayer.framebufferHeight, false); + newRenderTarget = new WebGLRenderTarget( + glBaseLayer.framebufferWidth, + glBaseLayer.framebufferHeight, + { + format: RGBAFormat, + type: UnsignedByteType, + colorSpace: renderer.outputColorSpace, + stencilBuffer: attributes.stencil, + resolveDepthBuffer: glBaseLayer.ignoreDepthValues === false, + resolveStencilBuffer: glBaseLayer.ignoreDepthValues === false + } + ); + } else { + let depthFormat = null; + let depthType = null; + let glDepthFormat = null; + if (attributes.depth) { + glDepthFormat = attributes.stencil ? gl.DEPTH24_STENCIL8 : gl.DEPTH_COMPONENT24; + depthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat; + depthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType; + } + const projectionlayerInit = { + colorFormat: gl.RGBA8, + depthFormat: glDepthFormat, + scaleFactor: framebufferScaleFactor + }; + glBinding = this.getBinding(); + glProjLayer = glBinding.createProjectionLayer(projectionlayerInit); + session.updateRenderState({ layers: [glProjLayer] }); + renderer.setPixelRatio(1); + renderer.setSize(glProjLayer.textureWidth, glProjLayer.textureHeight, false); + newRenderTarget = new WebGLRenderTarget( + glProjLayer.textureWidth, + glProjLayer.textureHeight, + { + format: RGBAFormat, + type: UnsignedByteType, + depthTexture: new DepthTexture(glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, void 0, void 0, void 0, void 0, void 0, void 0, depthFormat), + stencilBuffer: attributes.stencil, + colorSpace: renderer.outputColorSpace, + samples: attributes.antialias ? 4 : 0, + resolveDepthBuffer: glProjLayer.ignoreDepthValues === false, + resolveStencilBuffer: glProjLayer.ignoreDepthValues === false + } + ); + } + newRenderTarget.isXRRenderTarget = true; + this.setFoveation(foveation); + customReferenceSpace = null; + referenceSpace = await session.requestReferenceSpace(referenceSpaceType); + animation.setContext(session); + animation.start(); + scope.isPresenting = true; + scope.dispatchEvent({ type: "sessionstart" }); + } + }; + this.getEnvironmentBlendMode = function() { + if (session !== null) { + return session.environmentBlendMode; + } + }; + this.getDepthTexture = function() { + return depthSensing.getDepthTexture(); + }; + function onInputSourcesChange(event) { + for (let i = 0; i < event.removed.length; i++) { + const inputSource = event.removed[i]; + const index = controllerInputSources.indexOf(inputSource); + if (index >= 0) { + controllerInputSources[index] = null; + controllers[index].disconnect(inputSource); + } + } + for (let i = 0; i < event.added.length; i++) { + const inputSource = event.added[i]; + let controllerIndex = controllerInputSources.indexOf(inputSource); + if (controllerIndex === -1) { + for (let i2 = 0; i2 < controllers.length; i2++) { + if (i2 >= controllerInputSources.length) { + controllerInputSources.push(inputSource); + controllerIndex = i2; + break; + } else if (controllerInputSources[i2] === null) { + controllerInputSources[i2] = inputSource; + controllerIndex = i2; + break; + } + } + if (controllerIndex === -1) break; + } + const controller = controllers[controllerIndex]; + if (controller) { + controller.connect(inputSource); + } + } + } + const cameraLPos = new Vector3(); + const cameraRPos = new Vector3(); + function setProjectionFromUnion(camera, cameraL2, cameraR2) { + cameraLPos.setFromMatrixPosition(cameraL2.matrixWorld); + cameraRPos.setFromMatrixPosition(cameraR2.matrixWorld); + const ipd = cameraLPos.distanceTo(cameraRPos); + const projL = cameraL2.projectionMatrix.elements; + const projR = cameraR2.projectionMatrix.elements; + const near = projL[14] / (projL[10] - 1); + const far = projL[14] / (projL[10] + 1); + const topFov = (projL[9] + 1) / projL[5]; + const bottomFov = (projL[9] - 1) / projL[5]; + const leftFov = (projL[8] - 1) / projL[0]; + const rightFov = (projR[8] + 1) / projR[0]; + const left = near * leftFov; + const right = near * rightFov; + const zOffset = ipd / (-leftFov + rightFov); + const xOffset = zOffset * -leftFov; + cameraL2.matrixWorld.decompose(camera.position, camera.quaternion, camera.scale); + camera.translateX(xOffset); + camera.translateZ(zOffset); + camera.matrixWorld.compose(camera.position, camera.quaternion, camera.scale); + camera.matrixWorldInverse.copy(camera.matrixWorld).invert(); + if (projL[10] === -1) { + camera.projectionMatrix.copy(cameraL2.projectionMatrix); + camera.projectionMatrixInverse.copy(cameraL2.projectionMatrixInverse); + } else { + const near2 = near + zOffset; + const far2 = far + zOffset; + const left2 = left - xOffset; + const right2 = right + (ipd - xOffset); + const top2 = topFov * far / far2 * near2; + const bottom2 = bottomFov * far / far2 * near2; + camera.projectionMatrix.makePerspective(left2, right2, top2, bottom2, near2, far2); + camera.projectionMatrixInverse.copy(camera.projectionMatrix).invert(); + } + } + function updateCamera(camera, parent) { + if (parent === null) { + camera.matrixWorld.copy(camera.matrix); + } else { + camera.matrixWorld.multiplyMatrices(parent.matrixWorld, camera.matrix); + } + camera.matrixWorldInverse.copy(camera.matrixWorld).invert(); + } + this.updateCamera = function(camera) { + if (session === null) return; + let depthNear = camera.near; + let depthFar = camera.far; + if (depthSensing.texture !== null) { + if (depthSensing.depthNear > 0) depthNear = depthSensing.depthNear; + if (depthSensing.depthFar > 0) depthFar = depthSensing.depthFar; + } + cameraXR.near = cameraR.near = cameraL.near = depthNear; + cameraXR.far = cameraR.far = cameraL.far = depthFar; + if (_currentDepthNear !== cameraXR.near || _currentDepthFar !== cameraXR.far) { + session.updateRenderState({ + depthNear: cameraXR.near, + depthFar: cameraXR.far + }); + _currentDepthNear = cameraXR.near; + _currentDepthFar = cameraXR.far; + } + cameraXR.layers.mask = camera.layers.mask | 6; + cameraL.layers.mask = cameraXR.layers.mask & 3; + cameraR.layers.mask = cameraXR.layers.mask & 5; + const parent = camera.parent; + const cameras2 = cameraXR.cameras; + updateCamera(cameraXR, parent); + for (let i = 0; i < cameras2.length; i++) { + updateCamera(cameras2[i], parent); + } + if (cameras2.length === 2) { + setProjectionFromUnion(cameraXR, cameraL, cameraR); + } else { + cameraXR.projectionMatrix.copy(cameraL.projectionMatrix); + } + updateUserCamera(camera, cameraXR, parent); + }; + function updateUserCamera(camera, cameraXR2, parent) { + if (parent === null) { + camera.matrix.copy(cameraXR2.matrixWorld); + } else { + camera.matrix.copy(parent.matrixWorld); + camera.matrix.invert(); + camera.matrix.multiply(cameraXR2.matrixWorld); + } + camera.matrix.decompose(camera.position, camera.quaternion, camera.scale); + camera.updateMatrixWorld(true); + camera.projectionMatrix.copy(cameraXR2.projectionMatrix); + camera.projectionMatrixInverse.copy(cameraXR2.projectionMatrixInverse); + if (camera.isPerspectiveCamera) { + camera.fov = RAD2DEG * 2 * Math.atan(1 / camera.projectionMatrix.elements[5]); + camera.zoom = 1; + } + } + this.getCamera = function() { + return cameraXR; + }; + this.getFoveation = function() { + if (glProjLayer === null && glBaseLayer === null) { + return void 0; + } + return foveation; + }; + this.setFoveation = function(value) { + foveation = value; + if (glProjLayer !== null) { + glProjLayer.fixedFoveation = value; + } + if (glBaseLayer !== null && glBaseLayer.fixedFoveation !== void 0) { + glBaseLayer.fixedFoveation = value; + } + }; + this.hasDepthSensing = function() { + return depthSensing.texture !== null; + }; + this.getDepthSensingMesh = function() { + return depthSensing.getMesh(cameraXR); + }; + this.getCameraTexture = function(xrCamera) { + return cameraAccessTextures[xrCamera]; + }; + let onAnimationFrameCallback = null; + function onAnimationFrame(time, frame) { + pose = frame.getViewerPose(customReferenceSpace || referenceSpace); + xrFrame = frame; + if (pose !== null) { + const views = pose.views; + if (glBaseLayer !== null) { + renderer.setRenderTargetFramebuffer(newRenderTarget, glBaseLayer.framebuffer); + renderer.setRenderTarget(newRenderTarget); + } + let cameraXRNeedsUpdate = false; + if (views.length !== cameraXR.cameras.length) { + cameraXR.cameras.length = 0; + cameraXRNeedsUpdate = true; + } + for (let i = 0; i < views.length; i++) { + const view = views[i]; + let viewport = null; + if (glBaseLayer !== null) { + viewport = glBaseLayer.getViewport(view); + } else { + const glSubImage = glBinding.getViewSubImage(glProjLayer, view); + viewport = glSubImage.viewport; + if (i === 0) { + renderer.setRenderTargetTextures( + newRenderTarget, + glSubImage.colorTexture, + glSubImage.depthStencilTexture + ); + renderer.setRenderTarget(newRenderTarget); + } + } + let camera = cameras[i]; + if (camera === void 0) { + camera = new PerspectiveCamera(); + camera.layers.enable(i); + camera.viewport = new Vector4(); + cameras[i] = camera; + } + camera.matrix.fromArray(view.transform.matrix); + camera.matrix.decompose(camera.position, camera.quaternion, camera.scale); + camera.projectionMatrix.fromArray(view.projectionMatrix); + camera.projectionMatrixInverse.copy(camera.projectionMatrix).invert(); + camera.viewport.set(viewport.x, viewport.y, viewport.width, viewport.height); + if (i === 0) { + cameraXR.matrix.copy(camera.matrix); + cameraXR.matrix.decompose(cameraXR.position, cameraXR.quaternion, cameraXR.scale); + } + if (cameraXRNeedsUpdate === true) { + cameraXR.cameras.push(camera); + } + } + const enabledFeatures = session.enabledFeatures; + const gpuDepthSensingEnabled = enabledFeatures && enabledFeatures.includes("depth-sensing") && session.depthUsage == "gpu-optimized"; + if (gpuDepthSensingEnabled && supportsGlBinding) { + glBinding = scope.getBinding(); + const depthData = glBinding.getDepthInformation(views[0]); + if (depthData && depthData.isValid && depthData.texture) { + depthSensing.init(depthData, session.renderState); + } + } + const cameraAccessEnabled = enabledFeatures && enabledFeatures.includes("camera-access"); + if (cameraAccessEnabled && supportsGlBinding) { + renderer.state.unbindTexture(); + glBinding = scope.getBinding(); + for (let i = 0; i < views.length; i++) { + const camera = views[i].camera; + if (camera) { + let cameraTex = cameraAccessTextures[camera]; + if (!cameraTex) { + cameraTex = new ExternalTexture(); + cameraAccessTextures[camera] = cameraTex; + } + const glTexture = glBinding.getCameraImage(camera); + cameraTex.sourceTexture = glTexture; + } + } + } + } + for (let i = 0; i < controllers.length; i++) { + const inputSource = controllerInputSources[i]; + const controller = controllers[i]; + if (inputSource !== null && controller !== void 0) { + controller.update(inputSource, frame, customReferenceSpace || referenceSpace); + } + } + if (onAnimationFrameCallback) onAnimationFrameCallback(time, frame); + if (frame.detectedPlanes) { + scope.dispatchEvent({ type: "planesdetected", data: frame }); + } + xrFrame = null; + } + const animation = new WebGLAnimation(); + animation.setAnimationLoop(onAnimationFrame); + this.setAnimationLoop = function(callback) { + onAnimationFrameCallback = callback; + }; + this.dispose = function() { + }; + } +}; +var _e1 = new Euler(); +var _m12 = new Matrix4(); +function WebGLMaterials(renderer, properties) { + function refreshTransformUniform(map, uniform) { + if (map.matrixAutoUpdate === true) { + map.updateMatrix(); + } + uniform.value.copy(map.matrix); + } + function refreshFogUniforms(uniforms, fog) { + fog.color.getRGB(uniforms.fogColor.value, getUnlitUniformColorSpace(renderer)); + if (fog.isFog) { + uniforms.fogNear.value = fog.near; + uniforms.fogFar.value = fog.far; + } else if (fog.isFogExp2) { + uniforms.fogDensity.value = fog.density; + } + } + function refreshMaterialUniforms(uniforms, material, pixelRatio, height, transmissionRenderTarget) { + if (material.isMeshBasicMaterial) { + refreshUniformsCommon(uniforms, material); + } else if (material.isMeshLambertMaterial) { + refreshUniformsCommon(uniforms, material); + } else if (material.isMeshToonMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsToon(uniforms, material); + } else if (material.isMeshPhongMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsPhong(uniforms, material); + } else if (material.isMeshStandardMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsStandard(uniforms, material); + if (material.isMeshPhysicalMaterial) { + refreshUniformsPhysical(uniforms, material, transmissionRenderTarget); + } + } else if (material.isMeshMatcapMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsMatcap(uniforms, material); + } else if (material.isMeshDepthMaterial) { + refreshUniformsCommon(uniforms, material); + } else if (material.isMeshDistanceMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsDistance(uniforms, material); + } else if (material.isMeshNormalMaterial) { + refreshUniformsCommon(uniforms, material); + } else if (material.isLineBasicMaterial) { + refreshUniformsLine(uniforms, material); + if (material.isLineDashedMaterial) { + refreshUniformsDash(uniforms, material); + } + } else if (material.isPointsMaterial) { + refreshUniformsPoints(uniforms, material, pixelRatio, height); + } else if (material.isSpriteMaterial) { + refreshUniformsSprites(uniforms, material); + } else if (material.isShadowMaterial) { + uniforms.color.value.copy(material.color); + uniforms.opacity.value = material.opacity; + } else if (material.isShaderMaterial) { + material.uniformsNeedUpdate = false; + } + } + function refreshUniformsCommon(uniforms, material) { + uniforms.opacity.value = material.opacity; + if (material.color) { + uniforms.diffuse.value.copy(material.color); + } + if (material.emissive) { + uniforms.emissive.value.copy(material.emissive).multiplyScalar(material.emissiveIntensity); + } + if (material.map) { + uniforms.map.value = material.map; + refreshTransformUniform(material.map, uniforms.mapTransform); + } + if (material.alphaMap) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform(material.alphaMap, uniforms.alphaMapTransform); + } + if (material.bumpMap) { + uniforms.bumpMap.value = material.bumpMap; + refreshTransformUniform(material.bumpMap, uniforms.bumpMapTransform); + uniforms.bumpScale.value = material.bumpScale; + if (material.side === BackSide) { + uniforms.bumpScale.value *= -1; + } + } + if (material.normalMap) { + uniforms.normalMap.value = material.normalMap; + refreshTransformUniform(material.normalMap, uniforms.normalMapTransform); + uniforms.normalScale.value.copy(material.normalScale); + if (material.side === BackSide) { + uniforms.normalScale.value.negate(); + } + } + if (material.displacementMap) { + uniforms.displacementMap.value = material.displacementMap; + refreshTransformUniform(material.displacementMap, uniforms.displacementMapTransform); + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + } + if (material.emissiveMap) { + uniforms.emissiveMap.value = material.emissiveMap; + refreshTransformUniform(material.emissiveMap, uniforms.emissiveMapTransform); + } + if (material.specularMap) { + uniforms.specularMap.value = material.specularMap; + refreshTransformUniform(material.specularMap, uniforms.specularMapTransform); + } + if (material.alphaTest > 0) { + uniforms.alphaTest.value = material.alphaTest; + } + const materialProperties = properties.get(material); + const envMap = materialProperties.envMap; + const envMapRotation = materialProperties.envMapRotation; + if (envMap) { + uniforms.envMap.value = envMap; + _e1.copy(envMapRotation); + _e1.x *= -1; + _e1.y *= -1; + _e1.z *= -1; + if (envMap.isCubeTexture && envMap.isRenderTargetTexture === false) { + _e1.y *= -1; + _e1.z *= -1; + } + uniforms.envMapRotation.value.setFromMatrix4(_m12.makeRotationFromEuler(_e1)); + uniforms.flipEnvMap.value = envMap.isCubeTexture && envMap.isRenderTargetTexture === false ? -1 : 1; + uniforms.reflectivity.value = material.reflectivity; + uniforms.ior.value = material.ior; + uniforms.refractionRatio.value = material.refractionRatio; + } + if (material.lightMap) { + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; + refreshTransformUniform(material.lightMap, uniforms.lightMapTransform); + } + if (material.aoMap) { + uniforms.aoMap.value = material.aoMap; + uniforms.aoMapIntensity.value = material.aoMapIntensity; + refreshTransformUniform(material.aoMap, uniforms.aoMapTransform); + } + } + function refreshUniformsLine(uniforms, material) { + uniforms.diffuse.value.copy(material.color); + uniforms.opacity.value = material.opacity; + if (material.map) { + uniforms.map.value = material.map; + refreshTransformUniform(material.map, uniforms.mapTransform); + } + } + function refreshUniformsDash(uniforms, material) { + uniforms.dashSize.value = material.dashSize; + uniforms.totalSize.value = material.dashSize + material.gapSize; + uniforms.scale.value = material.scale; + } + function refreshUniformsPoints(uniforms, material, pixelRatio, height) { + uniforms.diffuse.value.copy(material.color); + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * pixelRatio; + uniforms.scale.value = height * 0.5; + if (material.map) { + uniforms.map.value = material.map; + refreshTransformUniform(material.map, uniforms.uvTransform); + } + if (material.alphaMap) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform(material.alphaMap, uniforms.alphaMapTransform); + } + if (material.alphaTest > 0) { + uniforms.alphaTest.value = material.alphaTest; + } + } + function refreshUniformsSprites(uniforms, material) { + uniforms.diffuse.value.copy(material.color); + uniforms.opacity.value = material.opacity; + uniforms.rotation.value = material.rotation; + if (material.map) { + uniforms.map.value = material.map; + refreshTransformUniform(material.map, uniforms.mapTransform); + } + if (material.alphaMap) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform(material.alphaMap, uniforms.alphaMapTransform); + } + if (material.alphaTest > 0) { + uniforms.alphaTest.value = material.alphaTest; + } + } + function refreshUniformsPhong(uniforms, material) { + uniforms.specular.value.copy(material.specular); + uniforms.shininess.value = Math.max(material.shininess, 1e-4); + } + function refreshUniformsToon(uniforms, material) { + if (material.gradientMap) { + uniforms.gradientMap.value = material.gradientMap; + } + } + function refreshUniformsStandard(uniforms, material) { + uniforms.metalness.value = material.metalness; + if (material.metalnessMap) { + uniforms.metalnessMap.value = material.metalnessMap; + refreshTransformUniform(material.metalnessMap, uniforms.metalnessMapTransform); + } + uniforms.roughness.value = material.roughness; + if (material.roughnessMap) { + uniforms.roughnessMap.value = material.roughnessMap; + refreshTransformUniform(material.roughnessMap, uniforms.roughnessMapTransform); + } + if (material.envMap) { + uniforms.envMapIntensity.value = material.envMapIntensity; + } + } + function refreshUniformsPhysical(uniforms, material, transmissionRenderTarget) { + uniforms.ior.value = material.ior; + if (material.sheen > 0) { + uniforms.sheenColor.value.copy(material.sheenColor).multiplyScalar(material.sheen); + uniforms.sheenRoughness.value = material.sheenRoughness; + if (material.sheenColorMap) { + uniforms.sheenColorMap.value = material.sheenColorMap; + refreshTransformUniform(material.sheenColorMap, uniforms.sheenColorMapTransform); + } + if (material.sheenRoughnessMap) { + uniforms.sheenRoughnessMap.value = material.sheenRoughnessMap; + refreshTransformUniform(material.sheenRoughnessMap, uniforms.sheenRoughnessMapTransform); + } + } + if (material.clearcoat > 0) { + uniforms.clearcoat.value = material.clearcoat; + uniforms.clearcoatRoughness.value = material.clearcoatRoughness; + if (material.clearcoatMap) { + uniforms.clearcoatMap.value = material.clearcoatMap; + refreshTransformUniform(material.clearcoatMap, uniforms.clearcoatMapTransform); + } + if (material.clearcoatRoughnessMap) { + uniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap; + refreshTransformUniform(material.clearcoatRoughnessMap, uniforms.clearcoatRoughnessMapTransform); + } + if (material.clearcoatNormalMap) { + uniforms.clearcoatNormalMap.value = material.clearcoatNormalMap; + refreshTransformUniform(material.clearcoatNormalMap, uniforms.clearcoatNormalMapTransform); + uniforms.clearcoatNormalScale.value.copy(material.clearcoatNormalScale); + if (material.side === BackSide) { + uniforms.clearcoatNormalScale.value.negate(); + } + } + } + if (material.dispersion > 0) { + uniforms.dispersion.value = material.dispersion; + } + if (material.iridescence > 0) { + uniforms.iridescence.value = material.iridescence; + uniforms.iridescenceIOR.value = material.iridescenceIOR; + uniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[0]; + uniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[1]; + if (material.iridescenceMap) { + uniforms.iridescenceMap.value = material.iridescenceMap; + refreshTransformUniform(material.iridescenceMap, uniforms.iridescenceMapTransform); + } + if (material.iridescenceThicknessMap) { + uniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap; + refreshTransformUniform(material.iridescenceThicknessMap, uniforms.iridescenceThicknessMapTransform); + } + } + if (material.transmission > 0) { + uniforms.transmission.value = material.transmission; + uniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture; + uniforms.transmissionSamplerSize.value.set(transmissionRenderTarget.width, transmissionRenderTarget.height); + if (material.transmissionMap) { + uniforms.transmissionMap.value = material.transmissionMap; + refreshTransformUniform(material.transmissionMap, uniforms.transmissionMapTransform); + } + uniforms.thickness.value = material.thickness; + if (material.thicknessMap) { + uniforms.thicknessMap.value = material.thicknessMap; + refreshTransformUniform(material.thicknessMap, uniforms.thicknessMapTransform); + } + uniforms.attenuationDistance.value = material.attenuationDistance; + uniforms.attenuationColor.value.copy(material.attenuationColor); + } + if (material.anisotropy > 0) { + uniforms.anisotropyVector.value.set(material.anisotropy * Math.cos(material.anisotropyRotation), material.anisotropy * Math.sin(material.anisotropyRotation)); + if (material.anisotropyMap) { + uniforms.anisotropyMap.value = material.anisotropyMap; + refreshTransformUniform(material.anisotropyMap, uniforms.anisotropyMapTransform); + } + } + uniforms.specularIntensity.value = material.specularIntensity; + uniforms.specularColor.value.copy(material.specularColor); + if (material.specularColorMap) { + uniforms.specularColorMap.value = material.specularColorMap; + refreshTransformUniform(material.specularColorMap, uniforms.specularColorMapTransform); + } + if (material.specularIntensityMap) { + uniforms.specularIntensityMap.value = material.specularIntensityMap; + refreshTransformUniform(material.specularIntensityMap, uniforms.specularIntensityMapTransform); + } + } + function refreshUniformsMatcap(uniforms, material) { + if (material.matcap) { + uniforms.matcap.value = material.matcap; + } + } + function refreshUniformsDistance(uniforms, material) { + const light = properties.get(material).light; + uniforms.referencePosition.value.setFromMatrixPosition(light.matrixWorld); + uniforms.nearDistance.value = light.shadow.camera.near; + uniforms.farDistance.value = light.shadow.camera.far; + } + return { + refreshFogUniforms, + refreshMaterialUniforms + }; +} +function WebGLUniformsGroups(gl, info, capabilities, state) { + let buffers = {}; + let updateList = {}; + let allocatedBindingPoints = []; + const maxBindingPoints = gl.getParameter(gl.MAX_UNIFORM_BUFFER_BINDINGS); + function bind(uniformsGroup, program) { + const webglProgram = program.program; + state.uniformBlockBinding(uniformsGroup, webglProgram); + } + function update(uniformsGroup, program) { + let buffer = buffers[uniformsGroup.id]; + if (buffer === void 0) { + prepareUniformsGroup(uniformsGroup); + buffer = createBuffer(uniformsGroup); + buffers[uniformsGroup.id] = buffer; + uniformsGroup.addEventListener("dispose", onUniformsGroupsDispose); + } + const webglProgram = program.program; + state.updateUBOMapping(uniformsGroup, webglProgram); + const frame = info.render.frame; + if (updateList[uniformsGroup.id] !== frame) { + updateBufferData(uniformsGroup); + updateList[uniformsGroup.id] = frame; + } + } + function createBuffer(uniformsGroup) { + const bindingPointIndex = allocateBindingPointIndex(); + uniformsGroup.__bindingPointIndex = bindingPointIndex; + const buffer = gl.createBuffer(); + const size = uniformsGroup.__size; + const usage = uniformsGroup.usage; + gl.bindBuffer(gl.UNIFORM_BUFFER, buffer); + gl.bufferData(gl.UNIFORM_BUFFER, size, usage); + gl.bindBuffer(gl.UNIFORM_BUFFER, null); + gl.bindBufferBase(gl.UNIFORM_BUFFER, bindingPointIndex, buffer); + return buffer; + } + function allocateBindingPointIndex() { + for (let i = 0; i < maxBindingPoints; i++) { + if (allocatedBindingPoints.indexOf(i) === -1) { + allocatedBindingPoints.push(i); + return i; + } + } + error("WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached."); + return 0; + } + function updateBufferData(uniformsGroup) { + const buffer = buffers[uniformsGroup.id]; + const uniforms = uniformsGroup.uniforms; + const cache = uniformsGroup.__cache; + gl.bindBuffer(gl.UNIFORM_BUFFER, buffer); + for (let i = 0, il = uniforms.length; i < il; i++) { + const uniformArray = Array.isArray(uniforms[i]) ? uniforms[i] : [uniforms[i]]; + for (let j = 0, jl = uniformArray.length; j < jl; j++) { + const uniform = uniformArray[j]; + if (hasUniformChanged(uniform, i, j, cache) === true) { + const offset = uniform.__offset; + const values = Array.isArray(uniform.value) ? uniform.value : [uniform.value]; + let arrayOffset = 0; + for (let k = 0; k < values.length; k++) { + const value = values[k]; + const info2 = getUniformSize(value); + if (typeof value === "number" || typeof value === "boolean") { + uniform.__data[0] = value; + gl.bufferSubData(gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data); + } else if (value.isMatrix3) { + uniform.__data[0] = value.elements[0]; + uniform.__data[1] = value.elements[1]; + uniform.__data[2] = value.elements[2]; + uniform.__data[3] = 0; + uniform.__data[4] = value.elements[3]; + uniform.__data[5] = value.elements[4]; + uniform.__data[6] = value.elements[5]; + uniform.__data[7] = 0; + uniform.__data[8] = value.elements[6]; + uniform.__data[9] = value.elements[7]; + uniform.__data[10] = value.elements[8]; + uniform.__data[11] = 0; + } else { + value.toArray(uniform.__data, arrayOffset); + arrayOffset += info2.storage / Float32Array.BYTES_PER_ELEMENT; + } + } + gl.bufferSubData(gl.UNIFORM_BUFFER, offset, uniform.__data); + } + } + } + gl.bindBuffer(gl.UNIFORM_BUFFER, null); + } + function hasUniformChanged(uniform, index, indexArray, cache) { + const value = uniform.value; + const indexString = index + "_" + indexArray; + if (cache[indexString] === void 0) { + if (typeof value === "number" || typeof value === "boolean") { + cache[indexString] = value; + } else { + cache[indexString] = value.clone(); + } + return true; + } else { + const cachedObject = cache[indexString]; + if (typeof value === "number" || typeof value === "boolean") { + if (cachedObject !== value) { + cache[indexString] = value; + return true; + } + } else { + if (cachedObject.equals(value) === false) { + cachedObject.copy(value); + return true; + } + } + } + return false; + } + function prepareUniformsGroup(uniformsGroup) { + const uniforms = uniformsGroup.uniforms; + let offset = 0; + const chunkSize = 16; + for (let i = 0, l = uniforms.length; i < l; i++) { + const uniformArray = Array.isArray(uniforms[i]) ? uniforms[i] : [uniforms[i]]; + for (let j = 0, jl = uniformArray.length; j < jl; j++) { + const uniform = uniformArray[j]; + const values = Array.isArray(uniform.value) ? uniform.value : [uniform.value]; + for (let k = 0, kl = values.length; k < kl; k++) { + const value = values[k]; + const info2 = getUniformSize(value); + const chunkOffset2 = offset % chunkSize; + const chunkPadding = chunkOffset2 % info2.boundary; + const chunkStart = chunkOffset2 + chunkPadding; + offset += chunkPadding; + if (chunkStart !== 0 && chunkSize - chunkStart < info2.storage) { + offset += chunkSize - chunkStart; + } + uniform.__data = new Float32Array(info2.storage / Float32Array.BYTES_PER_ELEMENT); + uniform.__offset = offset; + offset += info2.storage; + } + } + } + const chunkOffset = offset % chunkSize; + if (chunkOffset > 0) offset += chunkSize - chunkOffset; + uniformsGroup.__size = offset; + uniformsGroup.__cache = {}; + return this; + } + function getUniformSize(value) { + const info2 = { + boundary: 0, + // bytes + storage: 0 + // bytes + }; + if (typeof value === "number" || typeof value === "boolean") { + info2.boundary = 4; + info2.storage = 4; + } else if (value.isVector2) { + info2.boundary = 8; + info2.storage = 8; + } else if (value.isVector3 || value.isColor) { + info2.boundary = 16; + info2.storage = 12; + } else if (value.isVector4) { + info2.boundary = 16; + info2.storage = 16; + } else if (value.isMatrix3) { + info2.boundary = 48; + info2.storage = 48; + } else if (value.isMatrix4) { + info2.boundary = 64; + info2.storage = 64; + } else if (value.isTexture) { + warn("WebGLRenderer: Texture samplers can not be part of an uniforms group."); + } else { + warn("WebGLRenderer: Unsupported uniform value type.", value); + } + return info2; + } + function onUniformsGroupsDispose(event) { + const uniformsGroup = event.target; + uniformsGroup.removeEventListener("dispose", onUniformsGroupsDispose); + const index = allocatedBindingPoints.indexOf(uniformsGroup.__bindingPointIndex); + allocatedBindingPoints.splice(index, 1); + gl.deleteBuffer(buffers[uniformsGroup.id]); + delete buffers[uniformsGroup.id]; + delete updateList[uniformsGroup.id]; + } + function dispose() { + for (const id in buffers) { + gl.deleteBuffer(buffers[id]); + } 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32, 32, RGFormat, HalfFloatType); + lut.minFilter = LinearFilter; + lut.magFilter = LinearFilter; + lut.wrapS = ClampToEdgeWrapping; + lut.wrapT = ClampToEdgeWrapping; + lut.generateMipmaps = false; + lut.needsUpdate = true; + } + return lut; +} +var WebGLRenderer = class { + /** + * Constructs a new WebGL renderer. + * + * @param {WebGLRenderer~Options} [parameters] - The configuration parameter. + */ + constructor(parameters = {}) { + const { + canvas = createCanvasElement(), + context = null, + depth = true, + stencil = false, + alpha = false, + antialias = false, + premultipliedAlpha = true, + preserveDrawingBuffer = false, + powerPreference = "default", + failIfMajorPerformanceCaveat = false, + reversedDepthBuffer = false + } = parameters; + this.isWebGLRenderer = true; + let _alpha; + if (context !== null) { + if (typeof WebGLRenderingContext !== "undefined" && context instanceof WebGLRenderingContext) { + throw new Error("THREE.WebGLRenderer: WebGL 1 is not supported since r163."); + } + _alpha = context.getContextAttributes().alpha; + } else { + _alpha = alpha; + } + const INTEGER_FORMATS = /* @__PURE__ */ new Set([ + RGBAIntegerFormat, + RGIntegerFormat, + RedIntegerFormat + ]); + const UNSIGNED_TYPES = /* @__PURE__ */ new Set([ + UnsignedByteType, + UnsignedIntType, + UnsignedShortType, + UnsignedInt248Type, + UnsignedShort4444Type, + UnsignedShort5551Type + ]); + const uintClearColor = new Uint32Array(4); + const intClearColor = new Int32Array(4); + let currentRenderList = null; + let currentRenderState = null; + const renderListStack = []; + const renderStateStack = []; + this.domElement = canvas; + this.debug = { + /** + * Enables error checking and reporting when shader programs are being compiled. + * @type {boolean} + */ + checkShaderErrors: true, + /** + * Callback for custom error reporting. + * @type {?Function} + */ + onShaderError: null + }; + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; + this.sortObjects = true; + this.clippingPlanes = []; + this.localClippingEnabled = false; + this.toneMapping = NoToneMapping; + this.toneMappingExposure = 1; + this.transmissionResolutionScale = 1; + const _this = this; + let _isContextLost = false; + this._outputColorSpace = SRGBColorSpace; + let _currentActiveCubeFace = 0; + let _currentActiveMipmapLevel = 0; + let _currentRenderTarget = null; + let _currentMaterialId = -1; + let _currentCamera = null; + const _currentViewport = new Vector4(); + const _currentScissor = new Vector4(); + let _currentScissorTest = null; + const _currentClearColor = new Color(0); + let _currentClearAlpha = 0; + let _width = canvas.width; + let _height = canvas.height; + let _pixelRatio = 1; + let _opaqueSort = null; + let _transparentSort = null; + const _viewport = new Vector4(0, 0, _width, _height); + const _scissor = new Vector4(0, 0, _width, _height); + let _scissorTest = false; + const _frustum2 = new Frustum(); + let _clippingEnabled = false; + let _localClippingEnabled = false; + const _projScreenMatrix2 = new Matrix4(); + const _vector32 = new Vector3(); + const _vector4 = new Vector4(); + const _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true }; + let _renderBackground = false; + function getTargetPixelRatio() { + return _currentRenderTarget === null ? _pixelRatio : 1; + } + let _gl = context; + function getContext(contextName, contextAttributes) { + return canvas.getContext(contextName, contextAttributes); + } + try { + const contextAttributes = { + alpha: true, + depth, + stencil, + antialias, + premultipliedAlpha, + preserveDrawingBuffer, + powerPreference, + failIfMajorPerformanceCaveat + }; + if ("setAttribute" in canvas) canvas.setAttribute("data-engine", `three.js r${REVISION}`); + canvas.addEventListener("webglcontextlost", onContextLost, false); + canvas.addEventListener("webglcontextrestored", onContextRestore, false); + canvas.addEventListener("webglcontextcreationerror", onContextCreationError, false); + if (_gl === null) { + const contextName = "webgl2"; + _gl = getContext(contextName, contextAttributes); + if (_gl === null) { + if (getContext(contextName)) { + throw new Error("Error creating WebGL context with your selected attributes."); + } else { + throw new Error("Error creating WebGL context."); + } + } + } + } catch (error2) { + error2("WebGLRenderer: " + error2.message); + throw error2; + } + let extensions, capabilities, state, info; + let properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects; + let programCache, materials, renderLists, renderStates, clipping, shadowMap; + let background, morphtargets, bufferRenderer, indexedBufferRenderer; + let utils, bindingStates, uniformsGroups; + function initGLContext() { + extensions = new WebGLExtensions(_gl); + extensions.init(); + utils = new WebGLUtils(_gl, extensions); + capabilities = new WebGLCapabilities(_gl, extensions, parameters, utils); + state = new WebGLState(_gl, extensions); + if (capabilities.reversedDepthBuffer && reversedDepthBuffer) { + state.buffers.depth.setReversed(true); + } + info = new WebGLInfo(_gl); + properties = new WebGLProperties(); + textures = new WebGLTextures(_gl, extensions, state, properties, capabilities, utils, info); + cubemaps = new WebGLCubeMaps(_this); + cubeuvmaps = new WebGLCubeUVMaps(_this); + attributes = new WebGLAttributes(_gl); + bindingStates = new WebGLBindingStates(_gl, attributes); + geometries = new WebGLGeometries(_gl, attributes, info, bindingStates); + objects = new WebGLObjects(_gl, geometries, attributes, info); + morphtargets = new WebGLMorphtargets(_gl, capabilities, textures); + clipping = new WebGLClipping(properties); + programCache = new WebGLPrograms(_this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping); + materials = new WebGLMaterials(_this, properties); + renderLists = new WebGLRenderLists(); + renderStates = new WebGLRenderStates(extensions); + background = new WebGLBackground(_this, cubemaps, cubeuvmaps, state, objects, _alpha, premultipliedAlpha); + shadowMap = new WebGLShadowMap(_this, objects, capabilities); + uniformsGroups = new WebGLUniformsGroups(_gl, info, capabilities, state); + bufferRenderer = new WebGLBufferRenderer(_gl, extensions, info); + indexedBufferRenderer = new WebGLIndexedBufferRenderer(_gl, extensions, info); + info.programs = programCache.programs; + _this.capabilities = capabilities; + _this.extensions = extensions; + _this.properties = properties; + _this.renderLists = renderLists; + _this.shadowMap = shadowMap; + _this.state = state; + _this.info = info; + } + initGLContext(); + const xr = new WebXRManager(_this, _gl); + this.xr = xr; + this.getContext = function() { + return _gl; + }; + this.getContextAttributes = function() { + return _gl.getContextAttributes(); + }; + this.forceContextLoss = function() { + const extension = extensions.get("WEBGL_lose_context"); + if (extension) extension.loseContext(); + }; + this.forceContextRestore = function() { + const extension = extensions.get("WEBGL_lose_context"); + if (extension) extension.restoreContext(); + }; + this.getPixelRatio = function() { + return _pixelRatio; + }; + this.setPixelRatio = function(value) { + if (value === void 0) return; + _pixelRatio = value; + this.setSize(_width, _height, false); + }; + this.getSize = function(target) { + return target.set(_width, _height); + }; + this.setSize = function(width, height, updateStyle = true) { + if (xr.isPresenting) { + warn("WebGLRenderer: Can't change size while VR device is presenting."); + return; + } + _width = width; + _height = height; + canvas.width = Math.floor(width * _pixelRatio); + canvas.height = Math.floor(height * _pixelRatio); + if (updateStyle === true) { + canvas.style.width = width + "px"; + canvas.style.height = height + "px"; + } + this.setViewport(0, 0, width, height); + }; + this.getDrawingBufferSize = function(target) { + return target.set(_width * _pixelRatio, _height * _pixelRatio).floor(); + }; + this.setDrawingBufferSize = function(width, height, pixelRatio) { + _width = width; + _height = height; + _pixelRatio = pixelRatio; + canvas.width = Math.floor(width * pixelRatio); + canvas.height = Math.floor(height * pixelRatio); + this.setViewport(0, 0, width, height); + }; + this.getCurrentViewport = function(target) { + return target.copy(_currentViewport); + }; + this.getViewport = function(target) { + return target.copy(_viewport); + }; + this.setViewport = function(x, y, width, height) { + if (x.isVector4) { + _viewport.set(x.x, x.y, x.z, x.w); + } else { + _viewport.set(x, y, width, height); + } + state.viewport(_currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).round()); + }; + this.getScissor = function(target) { + return target.copy(_scissor); + }; + this.setScissor = function(x, y, width, height) { + if (x.isVector4) { + _scissor.set(x.x, x.y, x.z, x.w); + } else { + _scissor.set(x, y, width, height); + } + state.scissor(_currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).round()); + }; + this.getScissorTest = function() { + return _scissorTest; + }; + this.setScissorTest = function(boolean) { + state.setScissorTest(_scissorTest = boolean); + }; + this.setOpaqueSort = function(method) { + _opaqueSort = method; + }; + this.setTransparentSort = function(method) { + _transparentSort = method; + }; + this.getClearColor = function(target) { + return target.copy(background.getClearColor()); + }; + this.setClearColor = function() { + background.setClearColor(...arguments); + }; + this.getClearAlpha = function() { + return background.getClearAlpha(); + }; + this.setClearAlpha = function() { + background.setClearAlpha(...arguments); + }; + this.clear = function(color = true, depth2 = true, stencil2 = true) { + let bits = 0; + if (color) { + let isIntegerFormat = false; + if (_currentRenderTarget !== null) { + const targetFormat = _currentRenderTarget.texture.format; + isIntegerFormat = INTEGER_FORMATS.has(targetFormat); + } + if (isIntegerFormat) { + const targetType = _currentRenderTarget.texture.type; + const isUnsignedType = UNSIGNED_TYPES.has(targetType); + const clearColor = background.getClearColor(); + const a = background.getClearAlpha(); + const r = clearColor.r; + const g = clearColor.g; + const b = clearColor.b; + if (isUnsignedType) { + uintClearColor[0] = r; + uintClearColor[1] = g; + uintClearColor[2] = b; + uintClearColor[3] = a; + _gl.clearBufferuiv(_gl.COLOR, 0, uintClearColor); + } else { + intClearColor[0] = r; + intClearColor[1] = g; + intClearColor[2] = b; + intClearColor[3] = a; + _gl.clearBufferiv(_gl.COLOR, 0, intClearColor); + } + } else { + bits |= _gl.COLOR_BUFFER_BIT; + } + } + if (depth2) { + bits |= _gl.DEPTH_BUFFER_BIT; + } + if (stencil2) { + bits |= _gl.STENCIL_BUFFER_BIT; + this.state.buffers.stencil.setMask(4294967295); + } + _gl.clear(bits); + }; + this.clearColor = function() { + this.clear(true, false, false); + }; + this.clearDepth = function() { + this.clear(false, true, false); + }; + this.clearStencil = function() { + this.clear(false, false, true); + }; + this.dispose = function() { + canvas.removeEventListener("webglcontextlost", onContextLost, false); + canvas.removeEventListener("webglcontextrestored", onContextRestore, false); + canvas.removeEventListener("webglcontextcreationerror", onContextCreationError, false); + background.dispose(); + renderLists.dispose(); + renderStates.dispose(); + properties.dispose(); + cubemaps.dispose(); + cubeuvmaps.dispose(); + objects.dispose(); + bindingStates.dispose(); + uniformsGroups.dispose(); + programCache.dispose(); + xr.dispose(); + xr.removeEventListener("sessionstart", onXRSessionStart); + xr.removeEventListener("sessionend", onXRSessionEnd); + animation.stop(); + }; + function onContextLost(event) { + event.preventDefault(); + log("WebGLRenderer: Context Lost."); + _isContextLost = true; + } + function onContextRestore() { + log("WebGLRenderer: Context Restored."); + _isContextLost = false; + const infoAutoReset = info.autoReset; + const shadowMapEnabled = shadowMap.enabled; + const shadowMapAutoUpdate = shadowMap.autoUpdate; + const shadowMapNeedsUpdate = shadowMap.needsUpdate; + const shadowMapType = shadowMap.type; + initGLContext(); + info.autoReset = infoAutoReset; + shadowMap.enabled = shadowMapEnabled; + shadowMap.autoUpdate = shadowMapAutoUpdate; + shadowMap.needsUpdate = shadowMapNeedsUpdate; + shadowMap.type = shadowMapType; + } + function onContextCreationError(event) { + error("WebGLRenderer: A WebGL context could not be created. Reason: ", event.statusMessage); + } + function onMaterialDispose(event) { + const material = event.target; + material.removeEventListener("dispose", onMaterialDispose); + deallocateMaterial(material); + } + function deallocateMaterial(material) { + releaseMaterialProgramReferences(material); + properties.remove(material); + } + function releaseMaterialProgramReferences(material) { + const programs = properties.get(material).programs; + if (programs !== void 0) { + programs.forEach(function(program) { + programCache.releaseProgram(program); + }); + if (material.isShaderMaterial) { + programCache.releaseShaderCache(material); + } + } + } + this.renderBufferDirect = function(camera, scene, geometry, material, object, group) { + if (scene === null) scene = _emptyScene; + const frontFaceCW = object.isMesh && object.matrixWorld.determinant() < 0; + const program = setProgram(camera, scene, geometry, material, object); + state.setMaterial(material, frontFaceCW); + let index = geometry.index; + let rangeFactor = 1; + if (material.wireframe === true) { + index = geometries.getWireframeAttribute(geometry); + if (index === void 0) return; + rangeFactor = 2; + } + const drawRange = geometry.drawRange; + const position = geometry.attributes.position; + let drawStart = drawRange.start * rangeFactor; + let drawEnd = (drawRange.start + drawRange.count) * rangeFactor; + if (group !== null) { + drawStart = Math.max(drawStart, group.start * rangeFactor); + drawEnd = Math.min(drawEnd, (group.start + group.count) * rangeFactor); + } + if (index !== null) { + drawStart = Math.max(drawStart, 0); + drawEnd = Math.min(drawEnd, index.count); + } else if (position !== void 0 && position !== null) { + drawStart = Math.max(drawStart, 0); + drawEnd = Math.min(drawEnd, position.count); + } + const drawCount = drawEnd - drawStart; + if (drawCount < 0 || drawCount === Infinity) return; + bindingStates.setup(object, material, program, geometry, index); + let attribute; + let renderer = bufferRenderer; + if (index !== null) { + attribute = attributes.get(index); + renderer = indexedBufferRenderer; + renderer.setIndex(attribute); + } + if (object.isMesh) { + if (material.wireframe === true) { + state.setLineWidth(material.wireframeLinewidth * getTargetPixelRatio()); + renderer.setMode(_gl.LINES); + } else { + renderer.setMode(_gl.TRIANGLES); + } + } else if (object.isLine) { + let lineWidth = material.linewidth; + if (lineWidth === void 0) lineWidth = 1; + state.setLineWidth(lineWidth * getTargetPixelRatio()); + if (object.isLineSegments) { + renderer.setMode(_gl.LINES); + } else if (object.isLineLoop) { + renderer.setMode(_gl.LINE_LOOP); + } else { + renderer.setMode(_gl.LINE_STRIP); + } + } else if (object.isPoints) { + renderer.setMode(_gl.POINTS); + } else if (object.isSprite) { + renderer.setMode(_gl.TRIANGLES); + } + if (object.isBatchedMesh) { + if (object._multiDrawInstances !== null) { + warnOnce("WebGLRenderer: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."); + renderer.renderMultiDrawInstances(object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances); + } else { + if (!extensions.get("WEBGL_multi_draw")) { + const starts = object._multiDrawStarts; + const counts = object._multiDrawCounts; + const drawCount2 = object._multiDrawCount; + const bytesPerElement = index ? attributes.get(index).bytesPerElement : 1; + const uniforms = properties.get(material).currentProgram.getUniforms(); + for (let i = 0; i < drawCount2; i++) { + uniforms.setValue(_gl, "_gl_DrawID", i); + renderer.render(starts[i] / bytesPerElement, counts[i]); + } + } else { + renderer.renderMultiDraw(object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount); + } + } + } else if (object.isInstancedMesh) { + renderer.renderInstances(drawStart, drawCount, object.count); + } else if (geometry.isInstancedBufferGeometry) { + const maxInstanceCount = geometry._maxInstanceCount !== void 0 ? geometry._maxInstanceCount : Infinity; + const instanceCount = Math.min(geometry.instanceCount, maxInstanceCount); + renderer.renderInstances(drawStart, drawCount, instanceCount); + } else { + renderer.render(drawStart, drawCount); + } + }; + function prepareMaterial(material, scene, object) { + if (material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false) { + material.side = BackSide; + material.needsUpdate = true; + getProgram(material, scene, object); + material.side = FrontSide; + material.needsUpdate = true; + getProgram(material, scene, object); + material.side = DoubleSide; + } else { + getProgram(material, scene, object); + } + } + this.compile = function(scene, camera, targetScene = null) { + if (targetScene === null) targetScene = scene; + currentRenderState = renderStates.get(targetScene); + currentRenderState.init(camera); + renderStateStack.push(currentRenderState); + targetScene.traverseVisible(function(object) { + if (object.isLight && object.layers.test(camera.layers)) { + currentRenderState.pushLight(object); + if (object.castShadow) { + currentRenderState.pushShadow(object); + } + } + }); + if (scene !== targetScene) { + scene.traverseVisible(function(object) { + if (object.isLight && object.layers.test(camera.layers)) { + currentRenderState.pushLight(object); + if (object.castShadow) { + currentRenderState.pushShadow(object); + } + } + }); + } + currentRenderState.setupLights(); + const materials2 = /* @__PURE__ */ new Set(); + scene.traverse(function(object) { + if (!(object.isMesh || object.isPoints || object.isLine || object.isSprite)) { + return; + } + const material = object.material; + if (material) { + if (Array.isArray(material)) { + for (let i = 0; i < material.length; i++) { + const material2 = material[i]; + prepareMaterial(material2, targetScene, object); + materials2.add(material2); + } + } else { + prepareMaterial(material, targetScene, object); + materials2.add(material); + } + } + }); + currentRenderState = renderStateStack.pop(); + return materials2; + }; + this.compileAsync = function(scene, camera, targetScene = null) { + const materials2 = this.compile(scene, camera, targetScene); + return new Promise((resolve) => { + function checkMaterialsReady() { + materials2.forEach(function(material) { + const materialProperties = properties.get(material); + const program = materialProperties.currentProgram; + if (program.isReady()) { + materials2.delete(material); + } + }); + if (materials2.size === 0) { + resolve(scene); + return; + } + setTimeout(checkMaterialsReady, 10); + } + if (extensions.get("KHR_parallel_shader_compile") !== null) { + checkMaterialsReady(); + } else { + setTimeout(checkMaterialsReady, 10); + } + }); + }; + let onAnimationFrameCallback = null; + function onAnimationFrame(time) { + if (onAnimationFrameCallback) onAnimationFrameCallback(time); + } + function onXRSessionStart() { + animation.stop(); + } + function onXRSessionEnd() { + animation.start(); + } + const animation = new WebGLAnimation(); + animation.setAnimationLoop(onAnimationFrame); + if (typeof self !== "undefined") animation.setContext(self); + this.setAnimationLoop = function(callback) { + onAnimationFrameCallback = callback; + xr.setAnimationLoop(callback); + callback === null ? animation.stop() : animation.start(); + }; + xr.addEventListener("sessionstart", onXRSessionStart); + xr.addEventListener("sessionend", onXRSessionEnd); + this.render = function(scene, camera) { + if (camera !== void 0 && camera.isCamera !== true) { + error("WebGLRenderer.render: camera is not an instance of THREE.Camera."); + return; + } + if (_isContextLost === true) return; + if (scene.matrixWorldAutoUpdate === true) scene.updateMatrixWorld(); + if (camera.parent === null && camera.matrixWorldAutoUpdate === true) camera.updateMatrixWorld(); + if (xr.enabled === true && xr.isPresenting === true) { + if (xr.cameraAutoUpdate === true) xr.updateCamera(camera); + camera = xr.getCamera(); + } + if (scene.isScene === true) scene.onBeforeRender(_this, scene, camera, _currentRenderTarget); + currentRenderState = renderStates.get(scene, renderStateStack.length); + currentRenderState.init(camera); + renderStateStack.push(currentRenderState); + _projScreenMatrix2.multiplyMatrices(camera.projectionMatrix, camera.matrixWorldInverse); + _frustum2.setFromProjectionMatrix(_projScreenMatrix2, WebGLCoordinateSystem, camera.reversedDepth); + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = clipping.init(this.clippingPlanes, _localClippingEnabled); + currentRenderList = renderLists.get(scene, renderListStack.length); + currentRenderList.init(); + renderListStack.push(currentRenderList); + if (xr.enabled === true && xr.isPresenting === true) { + const depthSensingMesh = _this.xr.getDepthSensingMesh(); + if (depthSensingMesh !== null) { + projectObject(depthSensingMesh, camera, -Infinity, _this.sortObjects); + } + } + projectObject(scene, camera, 0, _this.sortObjects); + currentRenderList.finish(); + if (_this.sortObjects === true) { + currentRenderList.sort(_opaqueSort, _transparentSort); + } + _renderBackground = xr.enabled === false || xr.isPresenting === false || xr.hasDepthSensing() === false; + if (_renderBackground) { + background.addToRenderList(currentRenderList, scene); + } + this.info.render.frame++; + if (_clippingEnabled === true) clipping.beginShadows(); + const shadowsArray = currentRenderState.state.shadowsArray; + shadowMap.render(shadowsArray, scene, camera); + if (_clippingEnabled === true) clipping.endShadows(); + if (this.info.autoReset === true) this.info.reset(); + const opaqueObjects = currentRenderList.opaque; + const transmissiveObjects = currentRenderList.transmissive; + currentRenderState.setupLights(); + if (camera.isArrayCamera) { + const cameras = camera.cameras; + if (transmissiveObjects.length > 0) { + for (let i = 0, l = cameras.length; i < l; i++) { + const camera2 = cameras[i]; + renderTransmissionPass(opaqueObjects, transmissiveObjects, scene, camera2); + } + } + if (_renderBackground) background.render(scene); + for (let i = 0, l = cameras.length; i < l; i++) { + const camera2 = cameras[i]; + renderScene(currentRenderList, scene, camera2, camera2.viewport); + } + } else { + if (transmissiveObjects.length > 0) renderTransmissionPass(opaqueObjects, transmissiveObjects, scene, camera); + if (_renderBackground) background.render(scene); + renderScene(currentRenderList, scene, camera); + } + if (_currentRenderTarget !== null && _currentActiveMipmapLevel === 0) { + textures.updateMultisampleRenderTarget(_currentRenderTarget); + textures.updateRenderTargetMipmap(_currentRenderTarget); + } + if (scene.isScene === true) scene.onAfterRender(_this, scene, camera); + bindingStates.resetDefaultState(); + _currentMaterialId = -1; + _currentCamera = null; + renderStateStack.pop(); + if (renderStateStack.length > 0) { + currentRenderState = renderStateStack[renderStateStack.length - 1]; + if (_clippingEnabled === true) clipping.setGlobalState(_this.clippingPlanes, currentRenderState.state.camera); + } else { + currentRenderState = null; + } + renderListStack.pop(); + if (renderListStack.length > 0) { + currentRenderList = renderListStack[renderListStack.length - 1]; + } else { + currentRenderList = null; + } + }; + function projectObject(object, camera, groupOrder, sortObjects) { + if (object.visible === false) return; + const visible = object.layers.test(camera.layers); + if (visible) { + if (object.isGroup) { + groupOrder = object.renderOrder; + } else if (object.isLOD) { + if (object.autoUpdate === true) object.update(camera); + } else if (object.isLight) { + currentRenderState.pushLight(object); + if (object.castShadow) { + currentRenderState.pushShadow(object); + } + } else if (object.isSprite) { + if (!object.frustumCulled || _frustum2.intersectsSprite(object)) { + if (sortObjects) { + _vector4.setFromMatrixPosition(object.matrixWorld).applyMatrix4(_projScreenMatrix2); + } + const geometry = objects.update(object); + const material = object.material; + if (material.visible) { + currentRenderList.push(object, geometry, material, groupOrder, _vector4.z, null); + } + } + } else if (object.isMesh || object.isLine || object.isPoints) { + if (!object.frustumCulled || _frustum2.intersectsObject(object)) { + const geometry = objects.update(object); + const material = object.material; + if (sortObjects) { + if (object.boundingSphere !== void 0) { + if (object.boundingSphere === null) object.computeBoundingSphere(); + _vector4.copy(object.boundingSphere.center); + } else { + if (geometry.boundingSphere === null) geometry.computeBoundingSphere(); + _vector4.copy(geometry.boundingSphere.center); + } + _vector4.applyMatrix4(object.matrixWorld).applyMatrix4(_projScreenMatrix2); + } + if (Array.isArray(material)) { + const groups = geometry.groups; + for (let i = 0, l = groups.length; i < l; i++) { + const group = groups[i]; + const groupMaterial = material[group.materialIndex]; + if (groupMaterial && groupMaterial.visible) { + currentRenderList.push(object, geometry, groupMaterial, groupOrder, _vector4.z, group); + } + } + } else if (material.visible) { + currentRenderList.push(object, geometry, material, groupOrder, _vector4.z, null); + } + } + } + } + const children = object.children; + for (let i = 0, l = children.length; i < l; i++) { + projectObject(children[i], camera, groupOrder, sortObjects); + } + } + function renderScene(currentRenderList2, scene, camera, viewport) { + const { opaque: opaqueObjects, transmissive: transmissiveObjects, transparent: transparentObjects } = currentRenderList2; + currentRenderState.setupLightsView(camera); + if (_clippingEnabled === true) clipping.setGlobalState(_this.clippingPlanes, camera); + if (viewport) state.viewport(_currentViewport.copy(viewport)); + if (opaqueObjects.length > 0) renderObjects(opaqueObjects, scene, camera); + if (transmissiveObjects.length > 0) renderObjects(transmissiveObjects, scene, camera); + if (transparentObjects.length > 0) renderObjects(transparentObjects, scene, camera); + state.buffers.depth.setTest(true); + state.buffers.depth.setMask(true); + state.buffers.color.setMask(true); + state.setPolygonOffset(false); + } + function renderTransmissionPass(opaqueObjects, transmissiveObjects, scene, camera) { + const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null; + if (overrideMaterial !== null) { + return; + } + if (currentRenderState.state.transmissionRenderTarget[camera.id] === void 0) { + currentRenderState.state.transmissionRenderTarget[camera.id] = new WebGLRenderTarget(1, 1, { + generateMipmaps: true, + type: extensions.has("EXT_color_buffer_half_float") || extensions.has("EXT_color_buffer_float") ? HalfFloatType : UnsignedByteType, + minFilter: LinearMipmapLinearFilter, + samples: 4, + stencilBuffer: stencil, + resolveDepthBuffer: false, + resolveStencilBuffer: false, + colorSpace: ColorManagement.workingColorSpace + }); + } + const transmissionRenderTarget = currentRenderState.state.transmissionRenderTarget[camera.id]; + const activeViewport = camera.viewport || _currentViewport; + transmissionRenderTarget.setSize(activeViewport.z * _this.transmissionResolutionScale, activeViewport.w * _this.transmissionResolutionScale); + const currentRenderTarget = _this.getRenderTarget(); + const currentActiveCubeFace = _this.getActiveCubeFace(); + const currentActiveMipmapLevel = _this.getActiveMipmapLevel(); + _this.setRenderTarget(transmissionRenderTarget); + _this.getClearColor(_currentClearColor); + _currentClearAlpha = _this.getClearAlpha(); + if (_currentClearAlpha < 1) _this.setClearColor(16777215, 0.5); + _this.clear(); + if (_renderBackground) background.render(scene); + const currentToneMapping = _this.toneMapping; + _this.toneMapping = NoToneMapping; + const currentCameraViewport = camera.viewport; + if (camera.viewport !== void 0) camera.viewport = void 0; + currentRenderState.setupLightsView(camera); + if (_clippingEnabled === true) clipping.setGlobalState(_this.clippingPlanes, camera); + renderObjects(opaqueObjects, scene, camera); + textures.updateMultisampleRenderTarget(transmissionRenderTarget); + textures.updateRenderTargetMipmap(transmissionRenderTarget); + if (extensions.has("WEBGL_multisampled_render_to_texture") === false) { + let renderTargetNeedsUpdate = false; + for (let i = 0, l = transmissiveObjects.length; i < l; i++) { + const renderItem = transmissiveObjects[i]; + const { object, geometry, material, group } = renderItem; + if (material.side === DoubleSide && object.layers.test(camera.layers)) { + const currentSide = material.side; + material.side = BackSide; + material.needsUpdate = true; + renderObject(object, scene, camera, geometry, material, group); + material.side = currentSide; + material.needsUpdate = true; + renderTargetNeedsUpdate = true; + } + } + if (renderTargetNeedsUpdate === true) { + textures.updateMultisampleRenderTarget(transmissionRenderTarget); + textures.updateRenderTargetMipmap(transmissionRenderTarget); + } + } + _this.setRenderTarget(currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel); + _this.setClearColor(_currentClearColor, _currentClearAlpha); + if (currentCameraViewport !== void 0) camera.viewport = currentCameraViewport; + _this.toneMapping = currentToneMapping; + } + function renderObjects(renderList, scene, camera) { + const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null; + for (let i = 0, l = renderList.length; i < l; i++) { + const renderItem = renderList[i]; + const { object, geometry, group } = renderItem; + let material = renderItem.material; + if (material.allowOverride === true && overrideMaterial !== null) { + material = overrideMaterial; + } + if (object.layers.test(camera.layers)) { + renderObject(object, scene, camera, geometry, material, group); + } + } + } + function renderObject(object, scene, camera, geometry, material, group) { + object.onBeforeRender(_this, scene, camera, geometry, material, group); + object.modelViewMatrix.multiplyMatrices(camera.matrixWorldInverse, object.matrixWorld); + object.normalMatrix.getNormalMatrix(object.modelViewMatrix); + material.onBeforeRender(_this, scene, camera, geometry, object, group); + if (material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false) { + material.side = BackSide; + material.needsUpdate = true; + _this.renderBufferDirect(camera, scene, geometry, material, object, group); + material.side = FrontSide; + material.needsUpdate = true; + _this.renderBufferDirect(camera, scene, geometry, material, object, group); + material.side = DoubleSide; + } else { + _this.renderBufferDirect(camera, scene, geometry, material, object, group); + } + object.onAfterRender(_this, scene, camera, geometry, material, group); + } + function getProgram(material, scene, object) { + if (scene.isScene !== true) scene = _emptyScene; + const materialProperties = properties.get(material); + const lights = currentRenderState.state.lights; + const shadowsArray = currentRenderState.state.shadowsArray; + const lightsStateVersion = lights.state.version; + const parameters2 = programCache.getParameters(material, lights.state, shadowsArray, scene, object); + const programCacheKey = programCache.getProgramCacheKey(parameters2); + let programs = materialProperties.programs; + materialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null; + materialProperties.fog = scene.fog; + materialProperties.envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || materialProperties.environment); + materialProperties.envMapRotation = materialProperties.environment !== null && material.envMap === null ? scene.environmentRotation : material.envMapRotation; + if (programs === void 0) { + material.addEventListener("dispose", onMaterialDispose); + programs = /* @__PURE__ */ new Map(); + materialProperties.programs = programs; + } + let program = programs.get(programCacheKey); + if (program !== void 0) { + if (materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion) { + updateCommonMaterialProperties(material, parameters2); + return program; + } + } else { + parameters2.uniforms = programCache.getUniforms(material); + material.onBeforeCompile(parameters2, _this); + program = programCache.acquireProgram(parameters2, programCacheKey); + programs.set(programCacheKey, program); + materialProperties.uniforms = parameters2.uniforms; + } + const uniforms = materialProperties.uniforms; + if (!material.isShaderMaterial && !material.isRawShaderMaterial || material.clipping === true) { + uniforms.clippingPlanes = clipping.uniform; + } + updateCommonMaterialProperties(material, parameters2); + materialProperties.needsLights = materialNeedsLights(material); + materialProperties.lightsStateVersion = lightsStateVersion; + if (materialProperties.needsLights) { + uniforms.ambientLightColor.value = lights.state.ambient; + uniforms.lightProbe.value = lights.state.probe; + uniforms.directionalLights.value = lights.state.directional; + uniforms.directionalLightShadows.value = lights.state.directionalShadow; + uniforms.spotLights.value = lights.state.spot; + uniforms.spotLightShadows.value = lights.state.spotShadow; + uniforms.rectAreaLights.value = lights.state.rectArea; + uniforms.ltc_1.value = lights.state.rectAreaLTC1; + uniforms.ltc_2.value = lights.state.rectAreaLTC2; + uniforms.pointLights.value = lights.state.point; + uniforms.pointLightShadows.value = lights.state.pointShadow; + uniforms.hemisphereLights.value = lights.state.hemi; + uniforms.directionalShadowMap.value = lights.state.directionalShadowMap; + uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix; + uniforms.spotShadowMap.value = lights.state.spotShadowMap; + uniforms.spotLightMatrix.value = lights.state.spotLightMatrix; + uniforms.spotLightMap.value = lights.state.spotLightMap; + uniforms.pointShadowMap.value = lights.state.pointShadowMap; + uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix; + } + materialProperties.currentProgram = program; + materialProperties.uniformsList = null; + return program; + } + function getUniformList(materialProperties) { + if (materialProperties.uniformsList === null) { + const progUniforms = materialProperties.currentProgram.getUniforms(); + materialProperties.uniformsList = WebGLUniforms.seqWithValue(progUniforms.seq, materialProperties.uniforms); + } + return materialProperties.uniformsList; + } + function updateCommonMaterialProperties(material, parameters2) { + const materialProperties = properties.get(material); + materialProperties.outputColorSpace = parameters2.outputColorSpace; + materialProperties.batching = parameters2.batching; + materialProperties.batchingColor = parameters2.batchingColor; + materialProperties.instancing = parameters2.instancing; + materialProperties.instancingColor = parameters2.instancingColor; + materialProperties.instancingMorph = parameters2.instancingMorph; + materialProperties.skinning = parameters2.skinning; + materialProperties.morphTargets = parameters2.morphTargets; + materialProperties.morphNormals = parameters2.morphNormals; + materialProperties.morphColors = parameters2.morphColors; + materialProperties.morphTargetsCount = parameters2.morphTargetsCount; + materialProperties.numClippingPlanes = parameters2.numClippingPlanes; + materialProperties.numIntersection = parameters2.numClipIntersection; + materialProperties.vertexAlphas = parameters2.vertexAlphas; + materialProperties.vertexTangents = parameters2.vertexTangents; + materialProperties.toneMapping = parameters2.toneMapping; + } + function setProgram(camera, scene, geometry, material, object) { + if (scene.isScene !== true) scene = _emptyScene; + textures.resetTextureUnits(); + const fog = scene.fog; + const environment = material.isMeshStandardMaterial ? scene.environment : null; + const colorSpace = _currentRenderTarget === null ? _this.outputColorSpace : _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace; + const envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || environment); + const vertexAlphas = material.vertexColors === true && !!geometry.attributes.color && geometry.attributes.color.itemSize === 4; + const vertexTangents = !!geometry.attributes.tangent && (!!material.normalMap || material.anisotropy > 0); + const morphTargets = !!geometry.morphAttributes.position; + const morphNormals = !!geometry.morphAttributes.normal; + const morphColors = !!geometry.morphAttributes.color; + let toneMapping = NoToneMapping; + if (material.toneMapped) { + if (_currentRenderTarget === null || _currentRenderTarget.isXRRenderTarget === true) { + toneMapping = _this.toneMapping; + } + } + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = morphAttribute !== void 0 ? morphAttribute.length : 0; + const materialProperties = properties.get(material); + const lights = currentRenderState.state.lights; + if (_clippingEnabled === true) { + if (_localClippingEnabled === true || camera !== _currentCamera) { + const useCache = camera === _currentCamera && material.id === _currentMaterialId; + clipping.setState(material, camera, useCache); + } + } + let needsProgramChange = false; + if (material.version === materialProperties.__version) { + if (materialProperties.needsLights && materialProperties.lightsStateVersion !== lights.state.version) { + needsProgramChange = true; + } else if (materialProperties.outputColorSpace !== colorSpace) { + needsProgramChange = true; + } else if (object.isBatchedMesh && materialProperties.batching === false) { + needsProgramChange = true; + } else if (!object.isBatchedMesh && materialProperties.batching === true) { + needsProgramChange = true; + } else if (object.isBatchedMesh && materialProperties.batchingColor === true && object.colorTexture === null) { + needsProgramChange = true; + } else if (object.isBatchedMesh && materialProperties.batchingColor === false && object.colorTexture !== null) { + needsProgramChange = true; + } else if (object.isInstancedMesh && materialProperties.instancing === false) { + needsProgramChange = true; + } else if (!object.isInstancedMesh && materialProperties.instancing === true) { + needsProgramChange = true; + } else if (object.isSkinnedMesh && materialProperties.skinning === false) { + needsProgramChange = true; + } else if (!object.isSkinnedMesh && materialProperties.skinning === true) { + needsProgramChange = true; + } else if (object.isInstancedMesh && materialProperties.instancingColor === true && object.instanceColor === null) { + needsProgramChange = true; + } else if (object.isInstancedMesh && materialProperties.instancingColor === false && object.instanceColor !== null) { + needsProgramChange = true; + } else if (object.isInstancedMesh && materialProperties.instancingMorph === true && object.morphTexture === null) { + needsProgramChange = true; + } else if (object.isInstancedMesh && materialProperties.instancingMorph === false && object.morphTexture !== null) { + needsProgramChange = true; + } else if (materialProperties.envMap !== envMap) { + needsProgramChange = true; + } else if (material.fog === true && materialProperties.fog !== fog) { + needsProgramChange = true; + } else if (materialProperties.numClippingPlanes !== void 0 && (materialProperties.numClippingPlanes !== clipping.numPlanes || materialProperties.numIntersection !== clipping.numIntersection)) { + needsProgramChange = true; + } else if (materialProperties.vertexAlphas !== vertexAlphas) { + needsProgramChange = true; + } else if (materialProperties.vertexTangents !== vertexTangents) { + needsProgramChange = true; + } else if (materialProperties.morphTargets !== morphTargets) { + needsProgramChange = true; + } else if (materialProperties.morphNormals !== morphNormals) { + needsProgramChange = true; + } else if (materialProperties.morphColors !== morphColors) { + needsProgramChange = true; + } else if (materialProperties.toneMapping !== toneMapping) { + needsProgramChange = true; + } else if (materialProperties.morphTargetsCount !== morphTargetsCount) { + needsProgramChange = true; + } + } else { + needsProgramChange = true; + materialProperties.__version = material.version; + } + let program = materialProperties.currentProgram; + if (needsProgramChange === true) { + program = getProgram(material, scene, object); + } + let refreshProgram = false; + let refreshMaterial = false; + let refreshLights = false; + const p_uniforms = program.getUniforms(), m_uniforms = materialProperties.uniforms; + if (state.useProgram(program.program)) { + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; + } + if (material.id !== _currentMaterialId) { + _currentMaterialId = material.id; + refreshMaterial = true; + } + if (refreshProgram || _currentCamera !== camera) { + const reversedDepthBuffer2 = state.buffers.depth.getReversed(); + if (reversedDepthBuffer2 && camera.reversedDepth !== true) { + camera._reversedDepth = true; + camera.updateProjectionMatrix(); + } + p_uniforms.setValue(_gl, "projectionMatrix", camera.projectionMatrix); + p_uniforms.setValue(_gl, "viewMatrix", camera.matrixWorldInverse); + const uCamPos = p_uniforms.map.cameraPosition; + if (uCamPos !== void 0) { + uCamPos.setValue(_gl, _vector32.setFromMatrixPosition(camera.matrixWorld)); + } + if (capabilities.logarithmicDepthBuffer) { + p_uniforms.setValue( + _gl, + "logDepthBufFC", + 2 / (Math.log(camera.far + 1) / Math.LN2) + ); + } + if (material.isMeshPhongMaterial || material.isMeshToonMaterial || material.isMeshLambertMaterial || material.isMeshBasicMaterial || material.isMeshStandardMaterial || material.isShaderMaterial) { + p_uniforms.setValue(_gl, "isOrthographic", camera.isOrthographicCamera === true); + } + if (_currentCamera !== camera) { + _currentCamera = camera; + refreshMaterial = true; + refreshLights = true; + } + } + if (object.isSkinnedMesh) { + p_uniforms.setOptional(_gl, object, "bindMatrix"); + p_uniforms.setOptional(_gl, object, "bindMatrixInverse"); + const skeleton = object.skeleton; + if (skeleton) { + if (skeleton.boneTexture === null) skeleton.computeBoneTexture(); + p_uniforms.setValue(_gl, "boneTexture", skeleton.boneTexture, textures); + } + } + if (object.isBatchedMesh) { + p_uniforms.setOptional(_gl, object, "batchingTexture"); + p_uniforms.setValue(_gl, "batchingTexture", object._matricesTexture, textures); + p_uniforms.setOptional(_gl, object, "batchingIdTexture"); + p_uniforms.setValue(_gl, "batchingIdTexture", object._indirectTexture, textures); + p_uniforms.setOptional(_gl, object, "batchingColorTexture"); + if (object._colorsTexture !== null) { + p_uniforms.setValue(_gl, "batchingColorTexture", object._colorsTexture, textures); + } + } + const morphAttributes = geometry.morphAttributes; + if (morphAttributes.position !== void 0 || morphAttributes.normal !== void 0 || morphAttributes.color !== void 0) { + morphtargets.update(object, geometry, program); + } + if (refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow) { + materialProperties.receiveShadow = object.receiveShadow; + p_uniforms.setValue(_gl, "receiveShadow", object.receiveShadow); + } + if (material.isMeshGouraudMaterial && material.envMap !== null) { + m_uniforms.envMap.value = envMap; + m_uniforms.flipEnvMap.value = envMap.isCubeTexture && envMap.isRenderTargetTexture === false ? -1 : 1; + } + if (material.isMeshStandardMaterial && material.envMap === null && scene.environment !== null) { + m_uniforms.envMapIntensity.value = scene.environmentIntensity; + } + if (m_uniforms.dfgLUT !== void 0) { + m_uniforms.dfgLUT.value = getDFGLUT(); + } + if (refreshMaterial) { + p_uniforms.setValue(_gl, "toneMappingExposure", _this.toneMappingExposure); + if (materialProperties.needsLights) { + markUniformsLightsNeedsUpdate(m_uniforms, refreshLights); + } + if (fog && material.fog === true) { + materials.refreshFogUniforms(m_uniforms, fog); + } + materials.refreshMaterialUniforms(m_uniforms, material, _pixelRatio, _height, currentRenderState.state.transmissionRenderTarget[camera.id]); + WebGLUniforms.upload(_gl, getUniformList(materialProperties), m_uniforms, textures); + } + if (material.isShaderMaterial && material.uniformsNeedUpdate === true) { + WebGLUniforms.upload(_gl, getUniformList(materialProperties), m_uniforms, textures); + material.uniformsNeedUpdate = false; + } + if (material.isSpriteMaterial) { + p_uniforms.setValue(_gl, "center", object.center); + } + p_uniforms.setValue(_gl, "modelViewMatrix", object.modelViewMatrix); + p_uniforms.setValue(_gl, "normalMatrix", object.normalMatrix); + p_uniforms.setValue(_gl, "modelMatrix", object.matrixWorld); + if (material.isShaderMaterial || material.isRawShaderMaterial) { + const groups = material.uniformsGroups; + for (let i = 0, l = groups.length; i < l; i++) { + const group = groups[i]; + uniformsGroups.update(group, program); + uniformsGroups.bind(group, program); + } + } + return program; + } + function markUniformsLightsNeedsUpdate(uniforms, value) { + uniforms.ambientLightColor.needsUpdate = value; + uniforms.lightProbe.needsUpdate = value; + uniforms.directionalLights.needsUpdate = value; + uniforms.directionalLightShadows.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.pointLightShadows.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.spotLightShadows.needsUpdate = value; + uniforms.rectAreaLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; + } + function materialNeedsLights(material) { + return material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial || material.isMeshStandardMaterial || material.isShadowMaterial || material.isShaderMaterial && material.lights === true; + } + this.getActiveCubeFace = function() { + return _currentActiveCubeFace; + }; + this.getActiveMipmapLevel = function() { + return _currentActiveMipmapLevel; + }; + this.getRenderTarget = function() { + return _currentRenderTarget; + }; + this.setRenderTargetTextures = function(renderTarget, colorTexture, depthTexture) { + const renderTargetProperties = properties.get(renderTarget); + renderTargetProperties.__autoAllocateDepthBuffer = renderTarget.resolveDepthBuffer === false; + if (renderTargetProperties.__autoAllocateDepthBuffer === false) { + renderTargetProperties.__useRenderToTexture = false; + } + properties.get(renderTarget.texture).__webglTexture = colorTexture; + properties.get(renderTarget.depthTexture).__webglTexture = renderTargetProperties.__autoAllocateDepthBuffer ? void 0 : depthTexture; + renderTargetProperties.__hasExternalTextures = true; + }; + this.setRenderTargetFramebuffer = function(renderTarget, defaultFramebuffer) { + const renderTargetProperties = properties.get(renderTarget); + renderTargetProperties.__webglFramebuffer = defaultFramebuffer; + renderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === void 0; + }; + const _scratchFrameBuffer = _gl.createFramebuffer(); + this.setRenderTarget = function(renderTarget, activeCubeFace = 0, activeMipmapLevel = 0) { + _currentRenderTarget = renderTarget; + _currentActiveCubeFace = activeCubeFace; + _currentActiveMipmapLevel = activeMipmapLevel; + let useDefaultFramebuffer = true; + let framebuffer = null; + let isCube = false; + let isRenderTarget3D = false; + if (renderTarget) { + const renderTargetProperties = properties.get(renderTarget); + if (renderTargetProperties.__useDefaultFramebuffer !== void 0) { + state.bindFramebuffer(_gl.FRAMEBUFFER, null); + useDefaultFramebuffer = false; + } else if (renderTargetProperties.__webglFramebuffer === void 0) { + textures.setupRenderTarget(renderTarget); + } else if (renderTargetProperties.__hasExternalTextures) { + textures.rebindTextures(renderTarget, properties.get(renderTarget.texture).__webglTexture, properties.get(renderTarget.depthTexture).__webglTexture); + } else if (renderTarget.depthBuffer) { + const depthTexture = renderTarget.depthTexture; + if (renderTargetProperties.__boundDepthTexture !== depthTexture) { + if (depthTexture !== null && properties.has(depthTexture) && (renderTarget.width !== depthTexture.image.width || renderTarget.height !== depthTexture.image.height)) { + throw new Error("WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size."); + } + textures.setupDepthRenderbuffer(renderTarget); + } + } + const texture = renderTarget.texture; + if (texture.isData3DTexture || texture.isDataArrayTexture || texture.isCompressedArrayTexture) { + isRenderTarget3D = true; + } + const __webglFramebuffer = properties.get(renderTarget).__webglFramebuffer; + if (renderTarget.isWebGLCubeRenderTarget) { + if (Array.isArray(__webglFramebuffer[activeCubeFace])) { + framebuffer = __webglFramebuffer[activeCubeFace][activeMipmapLevel]; + } else { + framebuffer = __webglFramebuffer[activeCubeFace]; + } + isCube = true; + } else if (renderTarget.samples > 0 && textures.useMultisampledRTT(renderTarget) === false) { + framebuffer = properties.get(renderTarget).__webglMultisampledFramebuffer; + } else { + if (Array.isArray(__webglFramebuffer)) { + framebuffer = __webglFramebuffer[activeMipmapLevel]; + } else { + framebuffer = __webglFramebuffer; + } + } + _currentViewport.copy(renderTarget.viewport); + _currentScissor.copy(renderTarget.scissor); + _currentScissorTest = renderTarget.scissorTest; + } else { + _currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor(); + _currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor(); + _currentScissorTest = _scissorTest; + } + if (activeMipmapLevel !== 0) { + framebuffer = _scratchFrameBuffer; + } + const framebufferBound = state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + if (framebufferBound && useDefaultFramebuffer) { + state.drawBuffers(renderTarget, framebuffer); + } + state.viewport(_currentViewport); + state.scissor(_currentScissor); + state.setScissorTest(_currentScissorTest); + if (isCube) { + const textureProperties = properties.get(renderTarget.texture); + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel); + } else if (isRenderTarget3D) { + const layer = activeCubeFace; + for (let i = 0; i < renderTarget.textures.length; i++) { + const textureProperties = properties.get(renderTarget.textures[i]); + _gl.framebufferTextureLayer(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, textureProperties.__webglTexture, activeMipmapLevel, layer); + } + } else if (renderTarget !== null && activeMipmapLevel !== 0) { + const textureProperties = properties.get(renderTarget.texture); + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, textureProperties.__webglTexture, activeMipmapLevel); + } + _currentMaterialId = -1; + }; + this.readRenderTargetPixels = function(renderTarget, x, y, width, height, buffer, activeCubeFaceIndex, textureIndex = 0) { + if (!(renderTarget && renderTarget.isWebGLRenderTarget)) { + error("WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget."); + return; + } + let framebuffer = properties.get(renderTarget).__webglFramebuffer; + if (renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== void 0) { + framebuffer = framebuffer[activeCubeFaceIndex]; + } + if (framebuffer) { + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + try { + const texture = renderTarget.textures[textureIndex]; + const textureFormat = texture.format; + const textureType = texture.type; + if (!capabilities.textureFormatReadable(textureFormat)) { + error("WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format."); + return; + } + if (!capabilities.textureTypeReadable(textureType)) { + error("WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type."); + return; + } + if (x >= 0 && x <= renderTarget.width - width && (y >= 0 && y <= renderTarget.height - height)) { + if (renderTarget.textures.length > 1) _gl.readBuffer(_gl.COLOR_ATTACHMENT0 + textureIndex); + _gl.readPixels(x, y, width, height, utils.convert(textureFormat), utils.convert(textureType), buffer); + } + } finally { + const framebuffer2 = _currentRenderTarget !== null ? properties.get(_currentRenderTarget).__webglFramebuffer : null; + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer2); + } + } + }; + this.readRenderTargetPixelsAsync = async function(renderTarget, x, y, width, height, buffer, activeCubeFaceIndex, textureIndex = 0) { + if (!(renderTarget && renderTarget.isWebGLRenderTarget)) { + throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget."); + } + let framebuffer = properties.get(renderTarget).__webglFramebuffer; + if (renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== void 0) { + framebuffer = framebuffer[activeCubeFaceIndex]; + } + if (framebuffer) { + if (x >= 0 && x <= renderTarget.width - width && (y >= 0 && y <= renderTarget.height - height)) { + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + const texture = renderTarget.textures[textureIndex]; + const textureFormat = texture.format; + const textureType = texture.type; + if (!capabilities.textureFormatReadable(textureFormat)) { + throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format."); + } + if (!capabilities.textureTypeReadable(textureType)) { + throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type."); + } + const glBuffer = _gl.createBuffer(); + _gl.bindBuffer(_gl.PIXEL_PACK_BUFFER, glBuffer); + _gl.bufferData(_gl.PIXEL_PACK_BUFFER, buffer.byteLength, _gl.STREAM_READ); + if (renderTarget.textures.length > 1) _gl.readBuffer(_gl.COLOR_ATTACHMENT0 + textureIndex); + _gl.readPixels(x, y, width, height, utils.convert(textureFormat), utils.convert(textureType), 0); + const currFramebuffer = _currentRenderTarget !== null ? properties.get(_currentRenderTarget).__webglFramebuffer : null; + state.bindFramebuffer(_gl.FRAMEBUFFER, currFramebuffer); + const sync = _gl.fenceSync(_gl.SYNC_GPU_COMMANDS_COMPLETE, 0); + _gl.flush(); + await probeAsync(_gl, sync, 4); + _gl.bindBuffer(_gl.PIXEL_PACK_BUFFER, glBuffer); + _gl.getBufferSubData(_gl.PIXEL_PACK_BUFFER, 0, buffer); + _gl.deleteBuffer(glBuffer); + _gl.deleteSync(sync); + return buffer; + } else { + throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range."); + } + } + }; + this.copyFramebufferToTexture = function(texture, position = null, level = 0) { + const levelScale = Math.pow(2, -level); + const width = Math.floor(texture.image.width * levelScale); + const height = Math.floor(texture.image.height * levelScale); + const x = position !== null ? position.x : 0; + const y = position !== null ? position.y : 0; + textures.setTexture2D(texture, 0); + _gl.copyTexSubImage2D(_gl.TEXTURE_2D, level, 0, 0, x, y, width, height); + state.unbindTexture(); + }; + const _srcFramebuffer = _gl.createFramebuffer(); + const _dstFramebuffer = _gl.createFramebuffer(); + this.copyTextureToTexture = function(srcTexture, dstTexture, srcRegion = null, dstPosition = null, srcLevel = 0, dstLevel = null) { + if (dstLevel === null) { + if (srcLevel !== 0) { + warnOnce("WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels."); + dstLevel = srcLevel; + srcLevel = 0; + } else { + dstLevel = 0; + } + } + let width, height, depth2, minX, minY, minZ; + let dstX, dstY, dstZ; + const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[dstLevel] : srcTexture.image; + if (srcRegion !== null) { + width = srcRegion.max.x - srcRegion.min.x; + height = srcRegion.max.y - srcRegion.min.y; + depth2 = srcRegion.isBox3 ? srcRegion.max.z - srcRegion.min.z : 1; + minX = srcRegion.min.x; + minY = srcRegion.min.y; + minZ = srcRegion.isBox3 ? srcRegion.min.z : 0; + } else { + const levelScale = Math.pow(2, -srcLevel); + width = Math.floor(image.width * levelScale); + height = Math.floor(image.height * levelScale); + if (srcTexture.isDataArrayTexture) { + depth2 = image.depth; + } else if (srcTexture.isData3DTexture) { + depth2 = Math.floor(image.depth * levelScale); + } else { + depth2 = 1; + } + minX = 0; + minY = 0; + minZ = 0; + } + if (dstPosition !== null) { + dstX = dstPosition.x; + dstY = dstPosition.y; + dstZ = dstPosition.z; + } else { + dstX = 0; + dstY = 0; + dstZ = 0; + } + const glFormat = utils.convert(dstTexture.format); + const glType = utils.convert(dstTexture.type); + let glTarget; + if (dstTexture.isData3DTexture) { + textures.setTexture3D(dstTexture, 0); + glTarget = _gl.TEXTURE_3D; + } else if (dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture) { + textures.setTexture2DArray(dstTexture, 0); + glTarget = _gl.TEXTURE_2D_ARRAY; + } else { + textures.setTexture2D(dstTexture, 0); + glTarget = _gl.TEXTURE_2D; + } + _gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY); + _gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha); + _gl.pixelStorei(_gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment); + const currentUnpackRowLen = _gl.getParameter(_gl.UNPACK_ROW_LENGTH); + const currentUnpackImageHeight = _gl.getParameter(_gl.UNPACK_IMAGE_HEIGHT); + const currentUnpackSkipPixels = _gl.getParameter(_gl.UNPACK_SKIP_PIXELS); + const currentUnpackSkipRows = _gl.getParameter(_gl.UNPACK_SKIP_ROWS); + const currentUnpackSkipImages = _gl.getParameter(_gl.UNPACK_SKIP_IMAGES); + _gl.pixelStorei(_gl.UNPACK_ROW_LENGTH, image.width); + _gl.pixelStorei(_gl.UNPACK_IMAGE_HEIGHT, image.height); + _gl.pixelStorei(_gl.UNPACK_SKIP_PIXELS, minX); + _gl.pixelStorei(_gl.UNPACK_SKIP_ROWS, minY); + _gl.pixelStorei(_gl.UNPACK_SKIP_IMAGES, minZ); + const isSrc3D = srcTexture.isDataArrayTexture || srcTexture.isData3DTexture; + const isDst3D = dstTexture.isDataArrayTexture || dstTexture.isData3DTexture; + if (srcTexture.isDepthTexture) { + const srcTextureProperties = properties.get(srcTexture); + const dstTextureProperties = properties.get(dstTexture); + const srcRenderTargetProperties = properties.get(srcTextureProperties.__renderTarget); + const dstRenderTargetProperties = properties.get(dstTextureProperties.__renderTarget); + state.bindFramebuffer(_gl.READ_FRAMEBUFFER, srcRenderTargetProperties.__webglFramebuffer); + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, dstRenderTargetProperties.__webglFramebuffer); + for (let i = 0; i < depth2; i++) { + if (isSrc3D) { + _gl.framebufferTextureLayer(_gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get(srcTexture).__webglTexture, srcLevel, minZ + i); + _gl.framebufferTextureLayer(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get(dstTexture).__webglTexture, dstLevel, dstZ + i); + } + _gl.blitFramebuffer(minX, minY, width, height, dstX, dstY, width, height, _gl.DEPTH_BUFFER_BIT, _gl.NEAREST); + } + state.bindFramebuffer(_gl.READ_FRAMEBUFFER, null); + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, null); + } else if (srcLevel !== 0 || srcTexture.isRenderTargetTexture || properties.has(srcTexture)) { + const srcTextureProperties = properties.get(srcTexture); + const dstTextureProperties = properties.get(dstTexture); + state.bindFramebuffer(_gl.READ_FRAMEBUFFER, _srcFramebuffer); + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, _dstFramebuffer); + for (let i = 0; i < depth2; i++) { + if (isSrc3D) { + _gl.framebufferTextureLayer(_gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, srcTextureProperties.__webglTexture, srcLevel, minZ + i); + } else { + _gl.framebufferTexture2D(_gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, srcTextureProperties.__webglTexture, srcLevel); + } + if (isDst3D) { + _gl.framebufferTextureLayer(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, dstTextureProperties.__webglTexture, dstLevel, dstZ + i); + } else { + _gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, dstTextureProperties.__webglTexture, dstLevel); + } + if (srcLevel !== 0) { + _gl.blitFramebuffer(minX, minY, width, height, dstX, dstY, width, height, _gl.COLOR_BUFFER_BIT, _gl.NEAREST); + } else if (isDst3D) { + _gl.copyTexSubImage3D(glTarget, dstLevel, dstX, dstY, dstZ + i, minX, minY, width, height); + } else { + _gl.copyTexSubImage2D(glTarget, dstLevel, dstX, dstY, minX, minY, width, height); + } + } + state.bindFramebuffer(_gl.READ_FRAMEBUFFER, null); + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, null); + } else { + if (isDst3D) { + if (srcTexture.isDataTexture || srcTexture.isData3DTexture) { + _gl.texSubImage3D(glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth2, glFormat, glType, image.data); + } else if (dstTexture.isCompressedArrayTexture) { + _gl.compressedTexSubImage3D(glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth2, glFormat, image.data); + } else { + _gl.texSubImage3D(glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth2, glFormat, glType, image); + } + } else { + if (srcTexture.isDataTexture) { + _gl.texSubImage2D(_gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image.data); + } else if (srcTexture.isCompressedTexture) { + _gl.compressedTexSubImage2D(_gl.TEXTURE_2D, dstLevel, dstX, dstY, image.width, image.height, glFormat, image.data); + } else { + _gl.texSubImage2D(_gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image); + } + } + } + _gl.pixelStorei(_gl.UNPACK_ROW_LENGTH, currentUnpackRowLen); + _gl.pixelStorei(_gl.UNPACK_IMAGE_HEIGHT, currentUnpackImageHeight); + _gl.pixelStorei(_gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels); + _gl.pixelStorei(_gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows); + _gl.pixelStorei(_gl.UNPACK_SKIP_IMAGES, currentUnpackSkipImages); + if (dstLevel === 0 && dstTexture.generateMipmaps) { + _gl.generateMipmap(glTarget); + } + state.unbindTexture(); + }; + this.initRenderTarget = function(target) { + if (properties.get(target).__webglFramebuffer === void 0) { + textures.setupRenderTarget(target); + } + }; + this.initTexture = function(texture) { + if (texture.isCubeTexture) { + textures.setTextureCube(texture, 0); + } else if (texture.isData3DTexture) { + textures.setTexture3D(texture, 0); + } else if (texture.isDataArrayTexture || texture.isCompressedArrayTexture) { + textures.setTexture2DArray(texture, 0); + } else { + textures.setTexture2D(texture, 0); + } + state.unbindTexture(); + }; + this.resetState = function() { + _currentActiveCubeFace = 0; + _currentActiveMipmapLevel = 0; + _currentRenderTarget = null; + state.reset(); + bindingStates.reset(); + }; + if (typeof __THREE_DEVTOOLS__ !== "undefined") { + __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe", { detail: this })); + } + } + /** + * Defines the coordinate system of the renderer. + * + * In `WebGLRenderer`, the value is always `WebGLCoordinateSystem`. + * + * @type {WebGLCoordinateSystem|WebGPUCoordinateSystem} + * @default WebGLCoordinateSystem + * @readonly + */ + get coordinateSystem() { + return WebGLCoordinateSystem; + } + /** + * Defines the output color space of the renderer. + * + * @type {SRGBColorSpace|LinearSRGBColorSpace} + * @default SRGBColorSpace + */ + get outputColorSpace() { + return this._outputColorSpace; + } + set outputColorSpace(colorSpace) { + this._outputColorSpace = colorSpace; + const gl = this.getContext(); + gl.drawingBufferColorSpace = ColorManagement._getDrawingBufferColorSpace(colorSpace); + gl.unpackColorSpace = ColorManagement._getUnpackColorSpace(); + } +}; + +export { + REVISION, + MOUSE, + TOUCH, + CullFaceNone, + CullFaceBack, + CullFaceFront, + CullFaceFrontBack, + BasicShadowMap, + PCFShadowMap, + PCFSoftShadowMap, + VSMShadowMap, + FrontSide, + BackSide, + DoubleSide, + NoBlending, + NormalBlending, + AdditiveBlending, + SubtractiveBlending, + MultiplyBlending, + CustomBlending, + AddEquation, + SubtractEquation, + ReverseSubtractEquation, + MinEquation, + MaxEquation, + ZeroFactor, + OneFactor, + SrcColorFactor, + OneMinusSrcColorFactor, + SrcAlphaFactor, + OneMinusSrcAlphaFactor, + DstAlphaFactor, + OneMinusDstAlphaFactor, + DstColorFactor, + OneMinusDstColorFactor, + SrcAlphaSaturateFactor, + ConstantColorFactor, + OneMinusConstantColorFactor, + ConstantAlphaFactor, + OneMinusConstantAlphaFactor, + NeverDepth, + AlwaysDepth, + LessDepth, + LessEqualDepth, + EqualDepth, + GreaterEqualDepth, + GreaterDepth, + NotEqualDepth, + MultiplyOperation, + MixOperation, + AddOperation, + NoToneMapping, + LinearToneMapping, + ReinhardToneMapping, + CineonToneMapping, + ACESFilmicToneMapping, + CustomToneMapping, + AgXToneMapping, + NeutralToneMapping, + AttachedBindMode, + DetachedBindMode, + UVMapping, + CubeReflectionMapping, + CubeRefractionMapping, + EquirectangularReflectionMapping, + EquirectangularRefractionMapping, + CubeUVReflectionMapping, + RepeatWrapping, + ClampToEdgeWrapping, + MirroredRepeatWrapping, + NearestFilter, + NearestMipmapNearestFilter, + NearestMipMapNearestFilter, + NearestMipmapLinearFilter, + NearestMipMapLinearFilter, + LinearFilter, + LinearMipmapNearestFilter, + LinearMipMapNearestFilter, + LinearMipmapLinearFilter, + LinearMipMapLinearFilter, + UnsignedByteType, + ByteType, + ShortType, + UnsignedShortType, + IntType, + UnsignedIntType, + FloatType, + HalfFloatType, + UnsignedShort4444Type, + UnsignedShort5551Type, + UnsignedInt248Type, + UnsignedInt5999Type, + UnsignedInt101111Type, + AlphaFormat, + RGBFormat, + RGBAFormat, + DepthFormat, + DepthStencilFormat, + RedFormat, + RedIntegerFormat, + RGFormat, + RGIntegerFormat, + RGBIntegerFormat, + RGBAIntegerFormat, + RGB_S3TC_DXT1_Format, + RGBA_S3TC_DXT1_Format, + RGBA_S3TC_DXT3_Format, + RGBA_S3TC_DXT5_Format, + RGB_PVRTC_4BPPV1_Format, + RGB_PVRTC_2BPPV1_Format, + RGBA_PVRTC_4BPPV1_Format, + RGBA_PVRTC_2BPPV1_Format, + RGB_ETC1_Format, + RGB_ETC2_Format, + RGBA_ETC2_EAC_Format, + RGBA_ASTC_4x4_Format, + RGBA_ASTC_5x4_Format, + RGBA_ASTC_5x5_Format, + RGBA_ASTC_6x5_Format, + RGBA_ASTC_6x6_Format, + RGBA_ASTC_8x5_Format, + RGBA_ASTC_8x6_Format, + RGBA_ASTC_8x8_Format, + RGBA_ASTC_10x5_Format, + RGBA_ASTC_10x6_Format, + RGBA_ASTC_10x8_Format, + RGBA_ASTC_10x10_Format, + RGBA_ASTC_12x10_Format, + RGBA_ASTC_12x12_Format, + RGBA_BPTC_Format, + RGB_BPTC_SIGNED_Format, + RGB_BPTC_UNSIGNED_Format, + RED_RGTC1_Format, + SIGNED_RED_RGTC1_Format, + RED_GREEN_RGTC2_Format, + SIGNED_RED_GREEN_RGTC2_Format, + LoopOnce, + LoopRepeat, + LoopPingPong, + InterpolateDiscrete, + InterpolateLinear, + InterpolateSmooth, + ZeroCurvatureEnding, + ZeroSlopeEnding, + WrapAroundEnding, + NormalAnimationBlendMode, + AdditiveAnimationBlendMode, + TrianglesDrawMode, + TriangleStripDrawMode, + TriangleFanDrawMode, + BasicDepthPacking, + RGBADepthPacking, + RGBDepthPacking, + RGDepthPacking, + TangentSpaceNormalMap, + ObjectSpaceNormalMap, + NoColorSpace, + SRGBColorSpace, + LinearSRGBColorSpace, + LinearTransfer, + SRGBTransfer, + ZeroStencilOp, + KeepStencilOp, + ReplaceStencilOp, + IncrementStencilOp, + DecrementStencilOp, + IncrementWrapStencilOp, + DecrementWrapStencilOp, + InvertStencilOp, + NeverStencilFunc, + LessStencilFunc, + EqualStencilFunc, + LessEqualStencilFunc, + GreaterStencilFunc, + NotEqualStencilFunc, + GreaterEqualStencilFunc, + AlwaysStencilFunc, + NeverCompare, + LessCompare, + EqualCompare, + LessEqualCompare, + GreaterCompare, + NotEqualCompare, + GreaterEqualCompare, + AlwaysCompare, + StaticDrawUsage, + DynamicDrawUsage, + StreamDrawUsage, + StaticReadUsage, + DynamicReadUsage, + StreamReadUsage, + StaticCopyUsage, + DynamicCopyUsage, + StreamCopyUsage, + GLSL1, + GLSL3, + WebGLCoordinateSystem, + WebGPUCoordinateSystem, + TimestampQuery, + InterpolationSamplingType, + InterpolationSamplingMode, + createCanvasElement, + setConsoleFunction, + getConsoleFunction, + log, + warn, + error, + warnOnce, + EventDispatcher, + MathUtils, + Vector2, + Quaternion, + Vector3, + Matrix3, + ColorManagement, + ImageUtils, + Source, + Texture, + Vector4, + RenderTarget, + WebGLRenderTarget, + DataArrayTexture, + WebGLArrayRenderTarget, + Data3DTexture, + WebGL3DRenderTarget, + Box3, + Sphere, + Ray, + Matrix4, + Euler, + Layers, + Object3D, + Triangle, + Color, + Material, + MeshBasicMaterial, + DataUtils, + BufferAttribute, + Int8BufferAttribute, + Uint8BufferAttribute, + Uint8ClampedBufferAttribute, + Int16BufferAttribute, + Uint16BufferAttribute, + Int32BufferAttribute, + Uint32BufferAttribute, + Float16BufferAttribute, + Float32BufferAttribute, + BufferGeometry, + Mesh, + BoxGeometry, + UniformsUtils, + ShaderMaterial, + Camera, + PerspectiveCamera, + CubeCamera, + CubeTexture, + WebGLCubeRenderTarget, + Group, + WebXRController, + FogExp2, + Fog, + Scene, + InterleavedBuffer, + InterleavedBufferAttribute, + SpriteMaterial, + Sprite, + LOD, + SkinnedMesh, + Bone, + DataTexture, + Skeleton, + InstancedBufferAttribute, + InstancedMesh, + Plane, + Frustum, + FrustumArray, + BatchedMesh, + LineBasicMaterial, + Line, + LineSegments, + LineLoop, + PointsMaterial, + Points, + VideoTexture, + VideoFrameTexture, + FramebufferTexture, + CompressedTexture, + CompressedArrayTexture, + CompressedCubeTexture, + CanvasTexture, + DepthTexture, + ExternalTexture, + CapsuleGeometry, + CircleGeometry, + CylinderGeometry, + ConeGeometry, + PolyhedronGeometry, + DodecahedronGeometry, + EdgesGeometry, + Curve, + EllipseCurve, + ArcCurve, + CatmullRomCurve3, + CubicBezierCurve, + CubicBezierCurve3, + LineCurve, + LineCurve3, + QuadraticBezierCurve, + QuadraticBezierCurve3, + SplineCurve, + CurvePath, + Path, + Shape, + ShapeUtils, + ExtrudeGeometry, + IcosahedronGeometry, + LatheGeometry, + OctahedronGeometry, + PlaneGeometry, + RingGeometry, + ShapeGeometry, + SphereGeometry, + TetrahedronGeometry, + TorusGeometry, + TorusKnotGeometry, + TubeGeometry, + WireframeGeometry, + ShadowMaterial, + RawShaderMaterial, + MeshStandardMaterial, + MeshPhysicalMaterial, + MeshPhongMaterial, + MeshToonMaterial, + MeshNormalMaterial, + MeshLambertMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshMatcapMaterial, + LineDashedMaterial, + AnimationUtils, + Interpolant, + CubicInterpolant, + LinearInterpolant, + DiscreteInterpolant, + KeyframeTrack, + BooleanKeyframeTrack, + ColorKeyframeTrack, + NumberKeyframeTrack, + QuaternionLinearInterpolant, + QuaternionKeyframeTrack, + StringKeyframeTrack, + VectorKeyframeTrack, + AnimationClip, + Cache, + LoadingManager, + DefaultLoadingManager, + Loader, + FileLoader, + AnimationLoader, + CompressedTextureLoader, + ImageLoader, + CubeTextureLoader, + DataTextureLoader, + TextureLoader, + Light, + HemisphereLight, + SpotLight, + PointLight, + OrthographicCamera, + DirectionalLight, + AmbientLight, + RectAreaLight, + SphericalHarmonics3, + LightProbe, + MaterialLoader, + LoaderUtils, + InstancedBufferGeometry, + BufferGeometryLoader, + ObjectLoader, + ImageBitmapLoader, + AudioContext, + AudioLoader, + StereoCamera, + ArrayCamera, + Clock, + AudioListener, + Audio, + PositionalAudio, + AudioAnalyser, + PropertyMixer, + PropertyBinding, + AnimationObjectGroup, + AnimationAction, + AnimationMixer, + RenderTarget3D, + Uniform, + UniformsGroup, + InstancedInterleavedBuffer, + GLBufferAttribute, + Raycaster, + Timer, + Spherical, + Cylindrical, + Matrix2, + Box2, + Line3, + SpotLightHelper, + SkeletonHelper, + PointLightHelper, + HemisphereLightHelper, + GridHelper, + PolarGridHelper, + DirectionalLightHelper, + CameraHelper, + BoxHelper, + Box3Helper, + PlaneHelper, + ArrowHelper, + AxesHelper, + ShapePath, + Controls, + TextureUtils, + ShaderChunk, + UniformsLib, + ShaderLib, + PMREMGenerator, + WebGLUtils, + WebGLRenderer +}; +//# sourceMappingURL=chunk-4JECOO4M.js.map diff --git a/node_modules/.vite/deps/chunk-4JECOO4M.js.map b/node_modules/.vite/deps/chunk-4JECOO4M.js.map new file mode 100644 index 0000000..c314ccb --- /dev/null +++ b/node_modules/.vite/deps/chunk-4JECOO4M.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["../../three/build/three.core.js", "../../three/build/three.module.js"], + "sourcesContent": ["/**\n * @license\n * Copyright 2010-2025 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '181';\n\n/**\n * Represents mouse buttons and interaction types in context of controls.\n *\n * @type {ConstantsMouse}\n * @constant\n */\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\n\n/**\n * Represents touch interaction types in context of controls.\n *\n * @type {ConstantsTouch}\n * @constant\n */\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\n\n/**\n * Disables face culling.\n *\n * @type {number}\n * @constant\n */\nconst CullFaceNone = 0;\n\n/**\n * Culls back faces.\n *\n * @type {number}\n * @constant\n */\nconst CullFaceBack = 1;\n\n/**\n * Culls front faces.\n *\n * @type {number}\n * @constant\n */\nconst CullFaceFront = 2;\n\n/**\n * Culls both front and back faces.\n *\n * @type {number}\n * @constant\n */\nconst CullFaceFrontBack = 3;\n\n/**\n * Gives unfiltered shadow maps - fastest, but lowest quality.\n *\n * @type {number}\n * @constant\n */\nconst BasicShadowMap = 0;\n\n/**\n * Filters shadow maps using the Percentage-Closer Filtering (PCF) algorithm.\n *\n * @type {number}\n * @constant\n */\nconst PCFShadowMap = 1;\n\n/**\n * Filters shadow maps using the Percentage-Closer Filtering (PCF) algorithm with\n * better soft shadows especially when using low-resolution shadow maps.\n *\n * @type {number}\n * @constant\n */\nconst PCFSoftShadowMap = 2;\n\n/**\n * Filters shadow maps using the Variance Shadow Map (VSM) algorithm.\n * When using VSMShadowMap all shadow receivers will also cast shadows.\n *\n * @type {number}\n * @constant\n */\nconst VSMShadowMap = 3;\n\n/**\n * Only front faces are rendered.\n *\n * @type {number}\n * @constant\n */\nconst FrontSide = 0;\n\n/**\n * Only back faces are rendered.\n *\n * @type {number}\n * @constant\n */\nconst BackSide = 1;\n\n/**\n * Both front and back faces are rendered.\n *\n * @type {number}\n * @constant\n */\nconst DoubleSide = 2;\n\n/**\n * No blending is performed which effectively disables\n * alpha transparency.\n *\n * @type {number}\n * @constant\n */\nconst NoBlending = 0;\n\n/**\n * The default blending.\n *\n * @type {number}\n * @constant\n */\nconst NormalBlending = 1;\n\n/**\n * Represents additive blending.\n *\n * @type {number}\n * @constant\n */\nconst AdditiveBlending = 2;\n\n/**\n * Represents subtractive blending.\n *\n * @type {number}\n * @constant\n */\nconst SubtractiveBlending = 3;\n\n/**\n * Represents multiply blending.\n *\n * @type {number}\n * @constant\n */\nconst MultiplyBlending = 4;\n\n/**\n * Represents custom blending.\n *\n * @type {number}\n * @constant\n */\nconst CustomBlending = 5;\n\n/**\n * A `source + destination` blending equation.\n *\n * @type {number}\n * @constant\n */\nconst AddEquation = 100;\n\n/**\n * A `source - destination` blending equation.\n *\n * @type {number}\n * @constant\n */\nconst SubtractEquation = 101;\n\n/**\n * A `destination - source` blending equation.\n *\n * @type {number}\n * @constant\n */\nconst ReverseSubtractEquation = 102;\n\n/**\n * A blend equation that uses the minimum of source and destination.\n *\n * @type {number}\n * @constant\n */\nconst MinEquation = 103;\n\n/**\n * A blend equation that uses the maximum of source and destination.\n *\n * @type {number}\n * @constant\n */\nconst MaxEquation = 104;\n\n/**\n * Multiplies all colors by `0`.\n *\n * @type {number}\n * @constant\n */\nconst ZeroFactor = 200;\n\n/**\n * Multiplies all colors by `1`.\n *\n * @type {number}\n * @constant\n */\nconst OneFactor = 201;\n\n/**\n * Multiplies all colors by the source colors.\n *\n * @type {number}\n * @constant\n */\nconst SrcColorFactor = 202;\n\n/**\n * Multiplies all colors by `1` minus each source color.\n *\n * @type {number}\n * @constant\n */\nconst OneMinusSrcColorFactor = 203;\n\n/**\n * Multiplies all colors by the source alpha value.\n *\n * @type {number}\n * @constant\n */\nconst SrcAlphaFactor = 204;\n\n/**\n * Multiplies all colors by 1 minus the source alpha value.\n *\n * @type {number}\n * @constant\n */\nconst OneMinusSrcAlphaFactor = 205;\n\n/**\n * Multiplies all colors by the destination alpha value.\n *\n * @type {number}\n * @constant\n */\nconst DstAlphaFactor = 206;\n\n/**\n * Multiplies all colors by `1` minus the destination alpha value.\n *\n * @type {number}\n * @constant\n */\nconst OneMinusDstAlphaFactor = 207;\n\n/**\n * Multiplies all colors by the destination color.\n *\n * @type {number}\n * @constant\n */\nconst DstColorFactor = 208;\n\n/**\n * Multiplies all colors by `1` minus each destination color.\n *\n * @type {number}\n * @constant\n */\nconst OneMinusDstColorFactor = 209;\n\n/**\n * Multiplies the RGB colors by the smaller of either the source alpha\n * value or the value of `1` minus the destination alpha value. The alpha\n * value is multiplied by `1`.\n *\n * @type {number}\n * @constant\n */\nconst SrcAlphaSaturateFactor = 210;\n\n/**\n * Multiplies all colors by a constant color.\n *\n * @type {number}\n * @constant\n */\nconst ConstantColorFactor = 211;\n\n/**\n * Multiplies all colors by `1` minus a constant color.\n *\n * @type {number}\n * @constant\n */\nconst OneMinusConstantColorFactor = 212;\n\n/**\n * Multiplies all colors by a constant alpha value.\n *\n * @type {number}\n * @constant\n */\nconst ConstantAlphaFactor = 213;\n\n/**\n * Multiplies all colors by 1 minus a constant alpha value.\n *\n * @type {number}\n * @constant\n */\nconst OneMinusConstantAlphaFactor = 214;\n\n/**\n * Never pass.\n *\n * @type {number}\n * @constant\n */\nconst NeverDepth = 0;\n\n/**\n * Always pass.\n *\n * @type {number}\n * @constant\n */\nconst AlwaysDepth = 1;\n\n/**\n * Pass if the incoming value is less than the depth buffer value.\n *\n * @type {number}\n * @constant\n */\nconst LessDepth = 2;\n\n/**\n * Pass if the incoming value is less than or equal to the depth buffer value.\n *\n * @type {number}\n * @constant\n */\nconst LessEqualDepth = 3;\n\n/**\n * Pass if the incoming value equals the depth buffer value.\n *\n * @type {number}\n * @constant\n */\nconst EqualDepth = 4;\n\n/**\n * Pass if the incoming value is greater than or equal to the depth buffer value.\n *\n * @type {number}\n * @constant\n */\nconst GreaterEqualDepth = 5;\n\n/**\n * Pass if the incoming value is greater than the depth buffer value.\n *\n * @type {number}\n * @constant\n */\nconst GreaterDepth = 6;\n\n/**\n * Pass if the incoming value is not equal to the depth buffer value.\n *\n * @type {number}\n * @constant\n */\nconst NotEqualDepth = 7;\n\n/**\n * Multiplies the environment map color with the surface color.\n *\n * @type {number}\n * @constant\n */\nconst MultiplyOperation = 0;\n\n/**\n * Uses reflectivity to blend between the two colors.\n *\n * @type {number}\n * @constant\n */\nconst MixOperation = 1;\n\n/**\n * Adds the two colors.\n *\n * @type {number}\n * @constant\n */\nconst AddOperation = 2;\n\n/**\n * No tone mapping is applied.\n *\n * @type {number}\n * @constant\n */\nconst NoToneMapping = 0;\n\n/**\n * Linear tone mapping.\n *\n * @type {number}\n * @constant\n */\nconst LinearToneMapping = 1;\n\n/**\n * Reinhard tone mapping.\n *\n * @type {number}\n * @constant\n */\nconst ReinhardToneMapping = 2;\n\n/**\n * Cineon tone mapping.\n *\n * @type {number}\n * @constant\n */\nconst CineonToneMapping = 3;\n\n/**\n * ACES Filmic tone mapping.\n *\n * @type {number}\n * @constant\n */\nconst ACESFilmicToneMapping = 4;\n\n/**\n * Custom tone mapping.\n *\n * Expects a custom implementation by modifying shader code of the material's fragment shader.\n *\n * @type {number}\n * @constant\n */\nconst CustomToneMapping = 5;\n\n/**\n * AgX tone mapping.\n *\n * @type {number}\n * @constant\n */\nconst AgXToneMapping = 6;\n\n/**\n * Neutral tone mapping.\n *\n * Implementation based on the Khronos 3D Commerce Group standard tone mapping.\n *\n * @type {number}\n * @constant\n */\nconst NeutralToneMapping = 7;\n\n/**\n * The skinned mesh shares the same world space as the skeleton.\n *\n * @type {string}\n * @constant\n */\nconst AttachedBindMode = 'attached';\n\n/**\n * The skinned mesh does not share the same world space as the skeleton.\n * This is useful when a skeleton is shared across multiple skinned meshes.\n *\n * @type {string}\n * @constant\n */\nconst DetachedBindMode = 'detached';\n\n/**\n * Maps textures using the geometry's UV coordinates.\n *\n * @type {number}\n * @constant\n */\nconst UVMapping = 300;\n\n/**\n * Reflection mapping for cube textures.\n *\n * @type {number}\n * @constant\n */\nconst CubeReflectionMapping = 301;\n\n/**\n * Refraction mapping for cube textures.\n *\n * @type {number}\n * @constant\n */\nconst CubeRefractionMapping = 302;\n\n/**\n * Reflection mapping for equirectangular textures.\n *\n * @type {number}\n * @constant\n */\nconst EquirectangularReflectionMapping = 303;\n\n/**\n * Refraction mapping for equirectangular textures.\n *\n * @type {number}\n * @constant\n */\nconst EquirectangularRefractionMapping = 304;\n\n/**\n * Reflection mapping for PMREM textures.\n *\n * @type {number}\n * @constant\n */\nconst CubeUVReflectionMapping = 306;\n\n/**\n * The texture will simply repeat to infinity.\n *\n * @type {number}\n * @constant\n */\nconst RepeatWrapping = 1000;\n\n/**\n * The last pixel of the texture stretches to the edge of the mesh.\n *\n * @type {number}\n * @constant\n */\nconst ClampToEdgeWrapping = 1001;\n\n/**\n * The texture will repeats to infinity, mirroring on each repeat.\n *\n * @type {number}\n * @constant\n */\nconst MirroredRepeatWrapping = 1002;\n\n/**\n * Returns the value of the texture element that is nearest (in Manhattan distance)\n * to the specified texture coordinates.\n *\n * @type {number}\n * @constant\n */\nconst NearestFilter = 1003;\n\n/**\n * Chooses the mipmap that most closely matches the size of the pixel being textured\n * and uses the `NearestFilter` criterion (the texel nearest to the center of the pixel)\n * to produce a texture value.\n *\n * @type {number}\n * @constant\n */\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004; // legacy\n\n/**\n * Chooses the two mipmaps that most closely match the size of the pixel being textured and\n * uses the `NearestFilter` criterion to produce a texture value from each mipmap.\n * The final texture value is a weighted average of those two values.\n *\n * @type {number}\n * @constant\n */\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005; // legacy\n\n/**\n * Returns the weighted average of the four texture elements that are closest to the specified\n * texture coordinates, and can include items wrapped or repeated from other parts of a texture,\n * depending on the values of `wrapS` and `wrapT`, and on the exact mapping.\n *\n * @type {number}\n * @constant\n */\nconst LinearFilter = 1006;\n\n/**\n * Chooses the mipmap that most closely matches the size of the pixel being textured and uses\n * the `LinearFilter` criterion (a weighted average of the four texels that are closest to the\n * center of the pixel) to produce a texture value.\n *\n * @type {number}\n * @constant\n */\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007; // legacy\n\n/**\n * Chooses the two mipmaps that most closely match the size of the pixel being textured and uses\n * the `LinearFilter` criterion to produce a texture value from each mipmap. The final texture value\n * is a weighted average of those two values.\n *\n * @type {number}\n * @constant\n */\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008; // legacy\n\n/**\n * An unsigned byte data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst UnsignedByteType = 1009;\n\n/**\n * A byte data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst ByteType = 1010;\n\n/**\n * A short data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst ShortType = 1011;\n\n/**\n * An unsigned short data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst UnsignedShortType = 1012;\n\n/**\n * An int data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst IntType = 1013;\n\n/**\n * An unsigned int data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst UnsignedIntType = 1014;\n\n/**\n * A float data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst FloatType = 1015;\n\n/**\n * A half float data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst HalfFloatType = 1016;\n\n/**\n * An unsigned short 4_4_4_4 (packed) data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst UnsignedShort4444Type = 1017;\n\n/**\n * An unsigned short 5_5_5_1 (packed) data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst UnsignedShort5551Type = 1018;\n\n/**\n * An unsigned int 24_8 data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst UnsignedInt248Type = 1020;\n\n/**\n * An unsigned int 5_9_9_9 (packed) data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst UnsignedInt5999Type = 35902;\n\n/**\n * An unsigned int 10_11_11 (packed) data type for textures.\n *\n * @type {number}\n * @constant\n */\nconst UnsignedInt101111Type = 35899;\n\n/**\n * Discards the red, green and blue components and reads just the alpha component.\n *\n * @type {number}\n * @constant\n */\nconst AlphaFormat = 1021;\n\n/**\n * Discards the alpha component and reads the red, green and blue component.\n *\n * @type {number}\n * @constant\n */\nconst RGBFormat = 1022;\n\n/**\n * Reads the red, green, blue and alpha components.\n *\n * @type {number}\n * @constant\n */\nconst RGBAFormat = 1023;\n\n/**\n * Reads each element as a single depth value, converts it to floating point, and clamps to the range `[0,1]`.\n *\n * @type {number}\n * @constant\n */\nconst DepthFormat = 1026;\n\n/**\n * Reads each element is a pair of depth and stencil values. The depth component of the pair is interpreted as\n * in `DepthFormat`. The stencil component is interpreted based on the depth + stencil internal format.\n *\n * @type {number}\n * @constant\n */\nconst DepthStencilFormat = 1027;\n\n/**\n * Discards the green, blue and alpha components and reads just the red component.\n *\n * @type {number}\n * @constant\n */\nconst RedFormat = 1028;\n\n/**\n * Discards the green, blue and alpha components and reads just the red component. The texels are read as integers instead of floating point.\n *\n * @type {number}\n * @constant\n */\nconst RedIntegerFormat = 1029;\n\n/**\n * Discards the alpha, and blue components and reads the red, and green components.\n *\n * @type {number}\n * @constant\n */\nconst RGFormat = 1030;\n\n/**\n * Discards the alpha, and blue components and reads the red, and green components. The texels are read as integers instead of floating point.\n *\n * @type {number}\n * @constant\n */\nconst RGIntegerFormat = 1031;\n\n/**\n * Discards the alpha component and reads the red, green and blue component. The texels are read as integers instead of floating point.\n *\n * @type {number}\n * @constant\n */\nconst RGBIntegerFormat = 1032;\n\n/**\n * Reads the red, green, blue and alpha components. The texels are read as integers instead of floating point.\n *\n * @type {number}\n * @constant\n */\nconst RGBAIntegerFormat = 1033;\n\n/**\n * A DXT1-compressed image in an RGB image format.\n *\n * @type {number}\n * @constant\n */\nconst RGB_S3TC_DXT1_Format = 33776;\n\n/**\n * A DXT1-compressed image in an RGB image format with a simple on/off alpha value.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_S3TC_DXT1_Format = 33777;\n\n/**\n * A DXT3-compressed image in an RGBA image format. Compared to a 32-bit RGBA texture, it offers 4:1 compression.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_S3TC_DXT3_Format = 33778;\n\n/**\n * A DXT5-compressed image in an RGBA image format. It also provides a 4:1 compression, but differs to the DXT3\n * compression in how the alpha compression is done.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_S3TC_DXT5_Format = 33779;\n\n/**\n * PVRTC RGB compression in 4-bit mode. One block for each 4×4 pixels.\n *\n * @type {number}\n * @constant\n */\nconst RGB_PVRTC_4BPPV1_Format = 35840;\n\n/**\n * PVRTC RGB compression in 2-bit mode. One block for each 8×4 pixels.\n *\n * @type {number}\n * @constant\n */\nconst RGB_PVRTC_2BPPV1_Format = 35841;\n\n/**\n * PVRTC RGBA compression in 4-bit mode. One block for each 4×4 pixels.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\n\n/**\n * PVRTC RGBA compression in 2-bit mode. One block for each 8×4 pixels.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\n\n/**\n * ETC1 RGB format.\n *\n * @type {number}\n * @constant\n */\nconst RGB_ETC1_Format = 36196;\n\n/**\n * ETC2 RGB format.\n *\n * @type {number}\n * @constant\n */\nconst RGB_ETC2_Format = 37492;\n\n/**\n * ETC2 RGBA format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ETC2_EAC_Format = 37496;\n\n/**\n * ASTC RGBA 4x4 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_4x4_Format = 37808;\n\n/**\n * ASTC RGBA 5x4 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_5x4_Format = 37809;\n\n/**\n * ASTC RGBA 5x5 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_5x5_Format = 37810;\n\n/**\n * ASTC RGBA 6x5 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_6x5_Format = 37811;\n\n/**\n * ASTC RGBA 6x6 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_6x6_Format = 37812;\n\n/**\n * ASTC RGBA 8x5 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_8x5_Format = 37813;\n\n/**\n * ASTC RGBA 8x6 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_8x6_Format = 37814;\n\n/**\n * ASTC RGBA 8x8 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_8x8_Format = 37815;\n\n/**\n * ASTC RGBA 10x5 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_10x5_Format = 37816;\n\n/**\n * ASTC RGBA 10x6 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_10x6_Format = 37817;\n\n/**\n * ASTC RGBA 10x8 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_10x8_Format = 37818;\n\n/**\n * ASTC RGBA 10x10 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_10x10_Format = 37819;\n\n/**\n * ASTC RGBA 12x10 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_12x10_Format = 37820;\n\n/**\n * ASTC RGBA 12x12 format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_ASTC_12x12_Format = 37821;\n\n/**\n * BPTC RGBA format.\n *\n * @type {number}\n * @constant\n */\nconst RGBA_BPTC_Format = 36492;\n\n/**\n * BPTC Signed RGB format.\n *\n * @type {number}\n * @constant\n */\nconst RGB_BPTC_SIGNED_Format = 36494;\n\n/**\n * BPTC Unsigned RGB format.\n *\n * @type {number}\n * @constant\n */\nconst RGB_BPTC_UNSIGNED_Format = 36495;\n\n/**\n * RGTC1 Red format.\n *\n * @type {number}\n * @constant\n */\nconst RED_RGTC1_Format = 36283;\n\n/**\n * RGTC1 Signed Red format.\n *\n * @type {number}\n * @constant\n */\nconst SIGNED_RED_RGTC1_Format = 36284;\n\n/**\n * RGTC2 Red Green format.\n *\n * @type {number}\n * @constant\n */\nconst RED_GREEN_RGTC2_Format = 36285;\n\n/**\n * RGTC2 Signed Red Green format.\n *\n * @type {number}\n * @constant\n */\nconst SIGNED_RED_GREEN_RGTC2_Format = 36286;\n\n/**\n * Animations are played once.\n *\n * @type {number}\n * @constant\n */\nconst LoopOnce = 2200;\n\n/**\n * Animations are played with a chosen number of repetitions, each time jumping from\n * the end of the clip directly to its beginning.\n *\n * @type {number}\n * @constant\n */\nconst LoopRepeat = 2201;\n\n/**\n * Animations are played with a chosen number of repetitions, alternately playing forward\n * and backward.\n *\n * @type {number}\n * @constant\n */\nconst LoopPingPong = 2202;\n\n/**\n * Discrete interpolation mode for keyframe tracks.\n *\n * @type {number}\n * @constant\n */\nconst InterpolateDiscrete = 2300;\n\n/**\n * Linear interpolation mode for keyframe tracks.\n *\n * @type {number}\n * @constant\n */\nconst InterpolateLinear = 2301;\n\n/**\n * Smooth interpolation mode for keyframe tracks.\n *\n * @type {number}\n * @constant\n */\nconst InterpolateSmooth = 2302;\n\n/**\n * Zero curvature ending for animations.\n *\n * @type {number}\n * @constant\n */\nconst ZeroCurvatureEnding = 2400;\n\n/**\n * Zero slope ending for animations.\n *\n * @type {number}\n * @constant\n */\nconst ZeroSlopeEnding = 2401;\n\n/**\n * Wrap around ending for animations.\n *\n * @type {number}\n * @constant\n */\nconst WrapAroundEnding = 2402;\n\n/**\n * Default animation blend mode.\n *\n * @type {number}\n * @constant\n */\nconst NormalAnimationBlendMode = 2500;\n\n/**\n * Additive animation blend mode. Can be used to layer motions on top of\n * each other to build complex performances from smaller re-usable assets.\n *\n * @type {number}\n * @constant\n */\nconst AdditiveAnimationBlendMode = 2501;\n\n/**\n * For every three vertices draw a single triangle.\n *\n * @type {number}\n * @constant\n */\nconst TrianglesDrawMode = 0;\n\n/**\n * For each vertex draw a triangle from the last three vertices.\n *\n * @type {number}\n * @constant\n */\nconst TriangleStripDrawMode = 1;\n\n/**\n * For each vertex draw a triangle from the first vertex and the last two vertices.\n *\n * @type {number}\n * @constant\n */\nconst TriangleFanDrawMode = 2;\n\n/**\n * Basic depth packing.\n *\n * @type {number}\n * @constant\n */\nconst BasicDepthPacking = 3200;\n\n/**\n * A depth value is packed into 32 bit RGBA.\n *\n * @type {number}\n * @constant\n */\nconst RGBADepthPacking = 3201;\n\n/**\n * A depth value is packed into 24 bit RGB.\n *\n * @type {number}\n * @constant\n */\nconst RGBDepthPacking = 3202;\n\n/**\n * A depth value is packed into 16 bit RG.\n *\n * @type {number}\n * @constant\n */\nconst RGDepthPacking = 3203;\n\n/**\n * Normal information is relative to the underlying surface.\n *\n * @type {number}\n * @constant\n */\nconst TangentSpaceNormalMap = 0;\n\n/**\n * Normal information is relative to the object orientation.\n *\n * @type {number}\n * @constant\n */\nconst ObjectSpaceNormalMap = 1;\n\n// Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available.\n\n/**\n * No color space.\n *\n * @type {string}\n * @constant\n */\nconst NoColorSpace = '';\n\n/**\n * sRGB color space.\n *\n * @type {string}\n * @constant\n */\nconst SRGBColorSpace = 'srgb';\n\n/**\n * sRGB-linear color space.\n *\n * @type {string}\n * @constant\n */\nconst LinearSRGBColorSpace = 'srgb-linear';\n\n/**\n * Linear transfer function.\n *\n * @type {string}\n * @constant\n */\nconst LinearTransfer = 'linear';\n\n/**\n * sRGB transfer function.\n *\n * @type {string}\n * @constant\n */\nconst SRGBTransfer = 'srgb';\n\n/**\n * Sets the stencil buffer value to `0`.\n *\n * @type {number}\n * @constant\n */\nconst ZeroStencilOp = 0;\n\n/**\n * Keeps the current value.\n *\n * @type {number}\n * @constant\n */\nconst KeepStencilOp = 7680;\n\n/**\n * Sets the stencil buffer value to the specified reference value.\n *\n * @type {number}\n * @constant\n */\nconst ReplaceStencilOp = 7681;\n\n/**\n * Increments the current stencil buffer value. Clamps to the maximum representable unsigned value.\n *\n * @type {number}\n * @constant\n */\nconst IncrementStencilOp = 7682;\n\n/**\n * Decrements the current stencil buffer value. Clamps to `0`.\n *\n * @type {number}\n * @constant\n */\nconst DecrementStencilOp = 7683;\n\n/**\n * Increments the current stencil buffer value. Wraps stencil buffer value to zero when incrementing\n * the maximum representable unsigned value.\n *\n * @type {number}\n * @constant\n */\nconst IncrementWrapStencilOp = 34055;\n\n/**\n * Decrements the current stencil buffer value. Wraps stencil buffer value to the maximum representable\n * unsigned value when decrementing a stencil buffer value of `0`.\n *\n * @type {number}\n * @constant\n */\nconst DecrementWrapStencilOp = 34056;\n\n/**\n * Inverts the current stencil buffer value bitwise.\n *\n * @type {number}\n * @constant\n */\nconst InvertStencilOp = 5386;\n\n/**\n * Will never return true.\n *\n * @type {number}\n * @constant\n */\nconst NeverStencilFunc = 512;\n\n/**\n * Will return true if the stencil reference value is less than the current stencil value.\n *\n * @type {number}\n * @constant\n */\nconst LessStencilFunc = 513;\n\n/**\n * Will return true if the stencil reference value is equal to the current stencil value.\n *\n * @type {number}\n * @constant\n */\nconst EqualStencilFunc = 514;\n\n/**\n * Will return true if the stencil reference value is less than or equal to the current stencil value.\n *\n * @type {number}\n * @constant\n */\nconst LessEqualStencilFunc = 515;\n\n/**\n * Will return true if the stencil reference value is greater than the current stencil value.\n *\n * @type {number}\n * @constant\n */\nconst GreaterStencilFunc = 516;\n\n/**\n * Will return true if the stencil reference value is not equal to the current stencil value.\n *\n * @type {number}\n * @constant\n */\nconst NotEqualStencilFunc = 517;\n\n/**\n * Will return true if the stencil reference value is greater than or equal to the current stencil value.\n *\n * @type {number}\n * @constant\n */\nconst GreaterEqualStencilFunc = 518;\n\n/**\n * Will always return true.\n *\n * @type {number}\n * @constant\n */\nconst AlwaysStencilFunc = 519;\n\n/**\n * Never pass.\n *\n * @type {number}\n * @constant\n */\nconst NeverCompare = 512;\n\n/**\n * Pass if the incoming value is less than the texture value.\n *\n * @type {number}\n * @constant\n */\nconst LessCompare = 513;\n\n/**\n * Pass if the incoming value equals the texture value.\n *\n * @type {number}\n * @constant\n */\nconst EqualCompare = 514;\n\n/**\n * Pass if the incoming value is less than or equal to the texture value.\n *\n * @type {number}\n * @constant\n */\nconst LessEqualCompare = 515;\n\n/**\n * Pass if the incoming value is greater than the texture value.\n *\n * @type {number}\n * @constant\n */\nconst GreaterCompare = 516;\n\n/**\n * Pass if the incoming value is not equal to the texture value.\n *\n * @type {number}\n * @constant\n */\nconst NotEqualCompare = 517;\n\n/**\n * Pass if the incoming value is greater than or equal to the texture value.\n *\n * @type {number}\n * @constant\n */\nconst GreaterEqualCompare = 518;\n\n/**\n * Always pass.\n *\n * @type {number}\n * @constant\n */\nconst AlwaysCompare = 519;\n\n/**\n * The contents are intended to be specified once by the application, and used many\n * times as the source for drawing and image specification commands.\n *\n * @type {number}\n * @constant\n */\nconst StaticDrawUsage = 35044;\n\n/**\n * The contents are intended to be respecified repeatedly by the application, and\n * used many times as the source for drawing and image specification commands.\n *\n * @type {number}\n * @constant\n */\nconst DynamicDrawUsage = 35048;\n\n/**\n * The contents are intended to be specified once by the application, and used at most\n * a few times as the source for drawing and image specification commands.\n *\n * @type {number}\n * @constant\n */\nconst StreamDrawUsage = 35040;\n\n/**\n * The contents are intended to be specified once by reading data from the 3D API, and queried\n * many times by the application.\n *\n * @type {number}\n * @constant\n */\nconst StaticReadUsage = 35045;\n\n/**\n * The contents are intended to be respecified repeatedly by reading data from the 3D API, and queried\n * many times by the application.\n *\n * @type {number}\n * @constant\n */\nconst DynamicReadUsage = 35049;\n\n/**\n * The contents are intended to be specified once by reading data from the 3D API, and queried at most\n * a few times by the application\n *\n * @type {number}\n * @constant\n */\nconst StreamReadUsage = 35041;\n\n/**\n * The contents are intended to be specified once by reading data from the 3D API, and used many times as\n * the source for WebGL drawing and image specification commands.\n *\n * @type {number}\n * @constant\n */\nconst StaticCopyUsage = 35046;\n\n/**\n * The contents are intended to be respecified repeatedly by reading data from the 3D API, and used many times\n * as the source for WebGL drawing and image specification commands.\n *\n * @type {number}\n * @constant\n */\nconst DynamicCopyUsage = 35050;\n\n/**\n * The contents are intended to be specified once by reading data from the 3D API, and used at most a few times\n * as the source for WebGL drawing and image specification commands.\n *\n * @type {number}\n * @constant\n */\nconst StreamCopyUsage = 35042;\n\n/**\n * GLSL 1 shader code.\n *\n * @type {string}\n * @constant\n */\nconst GLSL1 = '100';\n\n/**\n * GLSL 3 shader code.\n *\n * @type {string}\n * @constant\n */\nconst GLSL3 = '300 es';\n\n/**\n * WebGL coordinate system.\n *\n * @type {number}\n * @constant\n */\nconst WebGLCoordinateSystem = 2000;\n\n/**\n * WebGPU coordinate system.\n *\n * @type {number}\n * @constant\n */\nconst WebGPUCoordinateSystem = 2001;\n\n/**\n * Represents the different timestamp query types.\n *\n * @type {ConstantsTimestampQuery}\n * @constant\n */\nconst TimestampQuery = {\n\tCOMPUTE: 'compute',\n\tRENDER: 'render'\n};\n\n/**\n * Represents mouse buttons and interaction types in context of controls.\n *\n * @type {ConstantsInterpolationSamplingType}\n * @constant\n */\nconst InterpolationSamplingType = {\n\tPERSPECTIVE: 'perspective',\n\tLINEAR: 'linear',\n\tFLAT: 'flat'\n};\n\n/**\n * Represents the different interpolation sampling modes.\n *\n * @type {ConstantsInterpolationSamplingMode}\n * @constant\n */\nconst InterpolationSamplingMode = {\n\tNORMAL: 'normal',\n\tCENTROID: 'centroid',\n\tSAMPLE: 'sample',\n\tFIRST: 'first',\n\tEITHER: 'either'\n};\n\n/**\n * This type represents mouse buttons and interaction types in context of controls.\n *\n * @typedef {Object} ConstantsMouse\n * @property {number} MIDDLE - The left mouse button.\n * @property {number} LEFT - The middle mouse button.\n * @property {number} RIGHT - The right mouse button.\n * @property {number} ROTATE - A rotate interaction.\n * @property {number} DOLLY - A dolly interaction.\n * @property {number} PAN - A pan interaction.\n **/\n\n/**\n * This type represents touch interaction types in context of controls.\n *\n * @typedef {Object} ConstantsTouch\n * @property {number} ROTATE - A rotate interaction.\n * @property {number} PAN - A pan interaction.\n * @property {number} DOLLY_PAN - The dolly-pan interaction.\n * @property {number} DOLLY_ROTATE - A dolly-rotate interaction.\n **/\n\n/**\n * This type represents the different timestamp query types.\n *\n * @typedef {Object} ConstantsTimestampQuery\n * @property {string} COMPUTE - A `compute` timestamp query.\n * @property {string} RENDER - A `render` timestamp query.\n **/\n\n/**\n * Represents the different interpolation sampling types.\n *\n * @typedef {Object} ConstantsInterpolationSamplingType\n * @property {string} PERSPECTIVE - Perspective-correct interpolation.\n * @property {string} LINEAR - Linear interpolation.\n * @property {string} FLAT - Flat interpolation.\n */\n\n/**\n * Represents the different interpolation sampling modes.\n *\n * @typedef {Object} ConstantsInterpolationSamplingMode\n * @property {string} NORMAL - Normal sampling mode.\n * @property {string} CENTROID - Centroid sampling mode.\n * @property {string} SAMPLE - Sample-specific sampling mode.\n * @property {string} FIRST - Flat interpolation using the first vertex.\n * @property {string} EITHER - Flat interpolation using either vertex.\n */\n\nfunction arrayNeedsUint32( array ) {\n\n\t// assumes larger values usually on last\n\n\tfor ( let i = array.length - 1; i >= 0; -- i ) {\n\n\t\tif ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565\n\n\t}\n\n\treturn false;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nconst _cache = {};\n\nlet _setConsoleFunction = null;\n\nfunction setConsoleFunction( fn ) {\n\n\t_setConsoleFunction = fn;\n\n}\n\nfunction getConsoleFunction() {\n\n\treturn _setConsoleFunction;\n\n}\n\nfunction log( ...params ) {\n\n\tconst message = 'THREE.' + params.shift();\n\n\tif ( _setConsoleFunction ) {\n\n\t\t_setConsoleFunction( 'log', message, ...params );\n\n\t} else {\n\n\t\tconsole.log( message, ...params );\n\n\t}\n\n}\n\nfunction warn( ...params ) {\n\n\tconst message = 'THREE.' + params.shift();\n\n\tif ( _setConsoleFunction ) {\n\n\t\t_setConsoleFunction( 'warn', message, ...params );\n\n\t} else {\n\n\t\tconsole.warn( message, ...params );\n\n\t}\n\n}\n\nfunction error( ...params ) {\n\n\tconst message = 'THREE.' + params.shift();\n\n\tif ( _setConsoleFunction ) {\n\n\t\t_setConsoleFunction( 'error', message, ...params );\n\n\t} else {\n\n\t\tconsole.error( message, ...params );\n\n\t}\n\n}\n\nfunction warnOnce( ...params ) {\n\n\tconst message = params.join( ' ' );\n\n\tif ( message in _cache ) return;\n\n\t_cache[ message ] = true;\n\n\twarn( ...params );\n\n}\n\nfunction probeAsync( gl, sync, interval ) {\n\n\treturn new Promise( function ( resolve, reject ) {\n\n\t\tfunction probe() {\n\n\t\t\tswitch ( gl.clientWaitSync( sync, gl.SYNC_FLUSH_COMMANDS_BIT, 0 ) ) {\n\n\t\t\t\tcase gl.WAIT_FAILED:\n\t\t\t\t\treject();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase gl.TIMEOUT_EXPIRED:\n\t\t\t\t\tsetTimeout( probe, interval );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tresolve();\n\n\t\t\t}\n\n\t\t}\n\n\t\tsetTimeout( probe, interval );\n\n\t} );\n\n}\n\n/**\n * This modules allows to dispatch event objects on custom JavaScript objects.\n *\n * Main repository: [eventdispatcher.js](https://github.com/mrdoob/eventdispatcher.js/)\n *\n * Code Example:\n * ```js\n * class Car extends EventDispatcher {\n * \tstart() {\n *\t\tthis.dispatchEvent( { type: 'start', message: 'vroom vroom!' } );\n *\t}\n *};\n *\n * // Using events with the custom object\n * const car = new Car();\n * car.addEventListener( 'start', function ( event ) {\n * \talert( event.message );\n * } );\n *\n * car.start();\n * ```\n */\nclass EventDispatcher {\n\n\t/**\n\t * Adds the given event listener to the given event type.\n\t *\n\t * @param {string} type - The type of event to listen to.\n\t * @param {Function} listener - The function that gets called when the event is fired.\n\t */\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === -1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns `true` if the given event listener has been added to the given event type.\n\t *\n\t * @param {string} type - The type of event.\n\t * @param {Function} listener - The listener to check.\n\t * @return {boolean} Whether the given event listener has been added to the given event type.\n\t */\n\thasEventListener( type, listener ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return false;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== -1;\n\n\t}\n\n\t/**\n\t * Removes the given event listener from the given event type.\n\t *\n\t * @param {string} type - The type of event.\n\t * @param {Function} listener - The listener to remove.\n\t */\n\tremoveEventListener( type, listener ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return;\n\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== -1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Dispatches an event object.\n\t *\n\t * @param {Object} event - The event that gets fired.\n\t */\n\tdispatchEvent( event ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return;\n\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [ '00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '0a', '0b', '0c', '0d', '0e', '0f', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '1a', '1b', '1c', '1d', '1e', '1f', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '2a', '2b', '2c', '2d', '2e', '2f', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '3a', '3b', '3c', '3d', '3e', '3f', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '4a', '4b', '4c', '4d', '4e', '4f', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '5a', '5b', '5c', '5d', '5e', '5f', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '6a', '6b', '6c', '6d', '6e', '6f', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '7a', '7b', '7c', '7d', '7e', '7f', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '8a', '8b', '8c', '8d', '8e', '8f', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '9a', '9b', '9c', '9d', '9e', '9f', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'aa', 'ab', 'ac', 'ad', 'ae', 'af', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'ba', 'bb', 'bc', 'bd', 'be', 'bf', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8', 'c9', 'ca', 'cb', 'cc', 'cd', 'ce', 'cf', 'd0', 'd1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8', 'd9', 'da', 'db', 'dc', 'dd', 'de', 'df', 'e0', 'e1', 'e2', 'e3', 'e4', 'e5', 'e6', 'e7', 'e8', 'e9', 'ea', 'eb', 'ec', 'ed', 'ee', 'ef', 'f0', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'fa', 'fb', 'fc', 'fd', 'fe', 'ff' ];\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n/**\n * Generate a [UUID](https://en.wikipedia.org/wiki/Universally_unique_identifier)\n * (universally unique identifier).\n *\n * @return {string} The UUID.\n */\nfunction generateUUID() {\n\n\t// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toLowerCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toLowerCase();\n\n}\n\n/**\n * Clamps the given value between min and max.\n *\n * @param {number} value - The value to clamp.\n * @param {number} min - The min value.\n * @param {number} max - The max value.\n * @return {number} The clamped value.\n */\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n/**\n * Computes the Euclidean modulo of the given parameters that\n * is `( ( n % m ) + m ) % m`.\n *\n * @param {number} n - The first parameter.\n * @param {number} m - The second parameter.\n * @return {number} The Euclidean modulo.\n */\nfunction euclideanModulo( n, m ) {\n\n\t// https://en.wikipedia.org/wiki/Modulo_operation\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n/**\n * Performs a linear mapping from range `` to range ``\n * for the given value.\n *\n * @param {number} x - The value to be mapped.\n * @param {number} a1 - Minimum value for range A.\n * @param {number} a2 - Maximum value for range A.\n * @param {number} b1 - Minimum value for range B.\n * @param {number} b2 - Maximum value for range B.\n * @return {number} The mapped value.\n */\nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n/**\n * Returns the percentage in the closed interval `[0, 1]` of the given value\n * between the start and end point.\n *\n * @param {number} x - The start point\n * @param {number} y - The end point.\n * @param {number} value - A value between start and end.\n * @return {number} The interpolation factor.\n */\nfunction inverseLerp( x, y, value ) {\n\n\t// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n/**\n * Returns a value linearly interpolated from two known points based on the given interval -\n * `t = 0` will return `x` and `t = 1` will return `y`.\n *\n * @param {number} x - The start point\n * @param {number} y - The end point.\n * @param {number} t - The interpolation factor in the closed interval `[0, 1]`.\n * @return {number} The interpolated value.\n */\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n/**\n * Smoothly interpolate a number from `x` to `y` in a spring-like manner using a delta\n * time to maintain frame rate independent movement. For details, see\n * [Frame rate independent damping using lerp](http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/).\n *\n * @param {number} x - The current point.\n * @param {number} y - The target point.\n * @param {number} lambda - A higher lambda value will make the movement more sudden,\n * and a lower value will make the movement more gradual.\n * @param {number} dt - Delta time in seconds.\n * @return {number} The interpolated value.\n */\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n/**\n * Returns a value that alternates between `0` and the given `length` parameter.\n *\n * @param {number} x - The value to pingpong.\n * @param {number} [length=1] - The positive value the function will pingpong to.\n * @return {number} The alternated value.\n */\nfunction pingpong( x, length = 1 ) {\n\n\t// https://www.desmos.com/calculator/vcsjnyz7x4\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n/**\n * Returns a value in the range `[0,1]` that represents the percentage that `x` has\n * moved between `min` and `max`, but smoothed or slowed down the closer `x` is to\n * the `min` and `max`.\n *\n * See [Smoothstep](http://en.wikipedia.org/wiki/Smoothstep) for more details.\n *\n * @param {number} x - The value to evaluate based on its position between min and max.\n * @param {number} min - The min value. Any x value below min will be `0`.\n * @param {number} max - The max value. Any x value above max will be `1`.\n * @return {number} The alternated value.\n */\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\n/**\n * A [variation on smoothstep](https://en.wikipedia.org/wiki/Smoothstep#Variations)\n * that has zero 1st and 2nd order derivatives at x=0 and x=1.\n *\n * @param {number} x - The value to evaluate based on its position between min and max.\n * @param {number} min - The min value. Any x value below min will be `0`.\n * @param {number} max - The max value. Any x value above max will be `1`.\n * @return {number} The alternated value.\n */\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n/**\n * Returns a random integer from `` interval.\n *\n * @param {number} low - The lower value boundary.\n * @param {number} high - The upper value boundary\n * @return {number} A random integer.\n */\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n/**\n * Returns a random float from `` interval.\n *\n * @param {number} low - The lower value boundary.\n * @param {number} high - The upper value boundary\n * @return {number} A random float.\n */\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n/**\n * Returns a random integer from `<-range/2, range/2>` interval.\n *\n * @param {number} range - Defines the value range.\n * @return {number} A random float.\n */\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n/**\n * Returns a deterministic pseudo-random float in the interval `[0, 1]`.\n *\n * @param {number} [s] - The integer seed.\n * @return {number} A random float.\n */\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s;\n\n\t// Mulberry32 generator\n\n\tlet t = _seed += 0x6D2B79F5;\n\n\tt = Math.imul( t ^ t >>> 15, t | 1 );\n\n\tt ^= t + Math.imul( t ^ t >>> 7, t | 61 );\n\n\treturn ( ( t ^ t >>> 14 ) >>> 0 ) / 4294967296;\n\n}\n\n/**\n * Converts degrees to radians.\n *\n * @param {number} degrees - A value in degrees.\n * @return {number} The converted value in radians.\n */\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\n/**\n * Converts radians to degrees.\n *\n * @param {number} radians - A value in radians.\n * @return {number} The converted value in degrees.\n */\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\n/**\n * Returns `true` if the given number is a power of two.\n *\n * @param {number} value - The value to check.\n * @return {boolean} Whether the given number is a power of two or not.\n */\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\n/**\n * Returns the smallest power of two that is greater than or equal to the given number.\n *\n * @param {number} value - The value to find a POT for.\n * @return {number} The smallest power of two that is greater than or equal to the given number.\n */\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\n/**\n * Returns the largest power of two that is less than or equal to the given number.\n *\n * @param {number} value - The value to find a POT for.\n * @return {number} The largest power of two that is less than or equal to the given number.\n */\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\n/**\n * Sets the given quaternion from the [Intrinsic Proper Euler Angles](https://en.wikipedia.org/wiki/Euler_angles)\n * defined by the given angles and order.\n *\n * Rotations are applied to the axes in the order specified by order:\n * rotation by angle `a` is applied first, then by angle `b`, then by angle `c`.\n *\n * @param {Quaternion} q - The quaternion to set.\n * @param {number} a - The rotation applied to the first axis, in radians.\n * @param {number} b - The rotation applied to the second axis, in radians.\n * @param {number} c - The rotation applied to the third axis, in radians.\n * @param {('XYX'|'XZX'|'YXY'|'YZY'|'ZXZ'|'ZYZ')} order - A string specifying the axes order.\n */\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\twarn( 'MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\n/**\n * Denormalizes the given value according to the given typed array.\n *\n * @param {number} value - The value to denormalize.\n * @param {TypedArray} array - The typed array that defines the data type of the value.\n * @return {number} The denormalize (float) value in the range `[0,1]`.\n */\nfunction denormalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint32Array:\n\n\t\t\treturn value / 4294967295.0;\n\n\t\tcase Uint16Array:\n\n\t\t\treturn value / 65535.0;\n\n\t\tcase Uint8Array:\n\n\t\t\treturn value / 255.0;\n\n\t\tcase Int32Array:\n\n\t\t\treturn Math.max( value / 2147483647.0, -1 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.max( value / 32767.0, -1 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.max( value / 127.0, -1 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\n/**\n * Normalizes the given value according to the given typed array.\n *\n * @param {number} value - The float value in the range `[0,1]` to normalize.\n * @param {TypedArray} array - The typed array that defines the data type of the value.\n * @return {number} The normalize value.\n */\nfunction normalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint32Array:\n\n\t\t\treturn Math.round( value * 4294967295.0 );\n\n\t\tcase Uint16Array:\n\n\t\t\treturn Math.round( value * 65535.0 );\n\n\t\tcase Uint8Array:\n\n\t\t\treturn Math.round( value * 255.0 );\n\n\t\tcase Int32Array:\n\n\t\t\treturn Math.round( value * 2147483647.0 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.round( value * 32767.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.round( value * 127.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\n/**\n * @class\n * @classdesc A collection of math utility functions.\n * @hideconstructor\n */\nconst MathUtils = {\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\t/**\n\t * Generate a [UUID](https://en.wikipedia.org/wiki/Universally_unique_identifier)\n\t * (universally unique identifier).\n\t *\n\t * @static\n\t * @method\n\t * @return {string} The UUID.\n\t */\n\tgenerateUUID: generateUUID,\n\t/**\n\t * Clamps the given value between min and max.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} value - The value to clamp.\n\t * @param {number} min - The min value.\n\t * @param {number} max - The max value.\n\t * @return {number} The clamped value.\n\t */\n\tclamp: clamp,\n\t/**\n\t * Computes the Euclidean modulo of the given parameters that\n\t * is `( ( n % m ) + m ) % m`.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} n - The first parameter.\n\t * @param {number} m - The second parameter.\n\t * @return {number} The Euclidean modulo.\n\t */\n\teuclideanModulo: euclideanModulo,\n\t/**\n\t * Performs a linear mapping from range `` to range ``\n\t * for the given value.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} x - The value to be mapped.\n\t * @param {number} a1 - Minimum value for range A.\n\t * @param {number} a2 - Maximum value for range A.\n\t * @param {number} b1 - Minimum value for range B.\n\t * @param {number} b2 - Maximum value for range B.\n\t * @return {number} The mapped value.\n\t */\n\tmapLinear: mapLinear,\n\t/**\n\t * Returns the percentage in the closed interval `[0, 1]` of the given value\n\t * between the start and end point.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} x - The start point\n\t * @param {number} y - The end point.\n\t * @param {number} value - A value between start and end.\n\t * @return {number} The interpolation factor.\n\t */\n\tinverseLerp: inverseLerp,\n\t/**\n\t * Returns a value linearly interpolated from two known points based on the given interval -\n\t * `t = 0` will return `x` and `t = 1` will return `y`.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} x - The start point\n\t * @param {number} y - The end point.\n\t * @param {number} t - The interpolation factor in the closed interval `[0, 1]`.\n\t * @return {number} The interpolated value.\n\t */\n\tlerp: lerp,\n\t/**\n\t * Smoothly interpolate a number from `x` to `y` in a spring-like manner using a delta\n\t * time to maintain frame rate independent movement. For details, see\n\t * [Frame rate independent damping using lerp](http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/).\n\t *\n\t * @static\n\t * @method\n\t * @param {number} x - The current point.\n\t * @param {number} y - The target point.\n\t * @param {number} lambda - A higher lambda value will make the movement more sudden,\n\t * and a lower value will make the movement more gradual.\n\t * @param {number} dt - Delta time in seconds.\n\t * @return {number} The interpolated value.\n\t */\n\tdamp: damp,\n\t/**\n\t * Returns a value that alternates between `0` and the given `length` parameter.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} x - The value to pingpong.\n\t * @param {number} [length=1] - The positive value the function will pingpong to.\n\t * @return {number} The alternated value.\n\t */\n\tpingpong: pingpong,\n\t/**\n\t * Returns a value in the range `[0,1]` that represents the percentage that `x` has\n\t * moved between `min` and `max`, but smoothed or slowed down the closer `x` is to\n\t * the `min` and `max`.\n\t *\n\t * See [Smoothstep](http://en.wikipedia.org/wiki/Smoothstep) for more details.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} x - The value to evaluate based on its position between min and max.\n\t * @param {number} min - The min value. Any x value below min will be `0`.\n\t * @param {number} max - The max value. Any x value above max will be `1`.\n\t * @return {number} The alternated value.\n\t */\n\tsmoothstep: smoothstep,\n\t/**\n\t * A [variation on smoothstep](https://en.wikipedia.org/wiki/Smoothstep#Variations)\n\t * that has zero 1st and 2nd order derivatives at x=0 and x=1.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} x - The value to evaluate based on its position between min and max.\n\t * @param {number} min - The min value. Any x value below min will be `0`.\n\t * @param {number} max - The max value. Any x value above max will be `1`.\n\t * @return {number} The alternated value.\n\t */\n\tsmootherstep: smootherstep,\n\t/**\n\t * Returns a random integer from `` interval.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} low - The lower value boundary.\n\t * @param {number} high - The upper value boundary\n\t * @return {number} A random integer.\n\t */\n\trandInt: randInt,\n\t/**\n\t * Returns a random float from `` interval.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} low - The lower value boundary.\n\t * @param {number} high - The upper value boundary\n\t * @return {number} A random float.\n\t */\n\trandFloat: randFloat,\n\t/**\n\t * Returns a random integer from `<-range/2, range/2>` interval.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} range - Defines the value range.\n\t * @return {number} A random float.\n\t */\n\trandFloatSpread: randFloatSpread,\n\t/**\n\t * Returns a deterministic pseudo-random float in the interval `[0, 1]`.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} [s] - The integer seed.\n\t * @return {number} A random float.\n\t */\n\tseededRandom: seededRandom,\n\t/**\n\t * Converts degrees to radians.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} degrees - A value in degrees.\n\t * @return {number} The converted value in radians.\n\t */\n\tdegToRad: degToRad,\n\t/**\n\t * Converts radians to degrees.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} radians - A value in radians.\n\t * @return {number} The converted value in degrees.\n\t */\n\tradToDeg: radToDeg,\n\t/**\n\t * Returns `true` if the given number is a power of two.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} value - The value to check.\n\t * @return {boolean} Whether the given number is a power of two or not.\n\t */\n\tisPowerOfTwo: isPowerOfTwo,\n\t/**\n\t * Returns the smallest power of two that is greater than or equal to the given number.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} value - The value to find a POT for.\n\t * @return {number} The smallest power of two that is greater than or equal to the given number.\n\t */\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\t/**\n\t * Returns the largest power of two that is less than or equal to the given number.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} value - The value to find a POT for.\n\t * @return {number} The largest power of two that is less than or equal to the given number.\n\t */\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\t/**\n\t * Sets the given quaternion from the [Intrinsic Proper Euler Angles](https://en.wikipedia.org/wiki/Euler_angles)\n\t * defined by the given angles and order.\n\t *\n\t * Rotations are applied to the axes in the order specified by order:\n\t * rotation by angle `a` is applied first, then by angle `b`, then by angle `c`.\n\t *\n\t * @static\n\t * @method\n\t * @param {Quaternion} q - The quaternion to set.\n\t * @param {number} a - The rotation applied to the first axis, in radians.\n\t * @param {number} b - The rotation applied to the second axis, in radians.\n\t * @param {number} c - The rotation applied to the third axis, in radians.\n\t * @param {('XYX'|'XZX'|'YXY'|'YZY'|'ZXZ'|'ZYZ')} order - A string specifying the axes order.\n\t */\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler,\n\t/**\n\t * Normalizes the given value according to the given typed array.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} value - The float value in the range `[0,1]` to normalize.\n\t * @param {TypedArray} array - The typed array that defines the data type of the value.\n\t * @return {number} The normalize value.\n\t */\n\tnormalize: normalize,\n\t/**\n\t * Denormalizes the given value according to the given typed array.\n\t *\n\t * @static\n\t * @method\n\t * @param {number} value - The value to denormalize.\n\t * @param {TypedArray} array - The typed array that defines the data type of the value.\n\t * @return {number} The denormalize (float) value in the range `[0,1]`.\n\t */\n\tdenormalize: denormalize\n};\n\n/**\n * Class representing a 2D vector. A 2D vector is an ordered pair of numbers\n * (labeled x and y), which can be used to represent a number of things, such as:\n *\n * - A point in 2D space (i.e. a position on a plane).\n * - A direction and length across a plane. In three.js the length will\n * always be the Euclidean distance(straight-line distance) from `(0, 0)` to `(x, y)`\n * and the direction is also measured from `(0, 0)` towards `(x, y)`.\n * - Any arbitrary ordered pair of numbers.\n *\n * There are other things a 2D vector can be used to represent, such as\n * momentum vectors, complex numbers and so on, however these are the most\n * common uses in three.js.\n *\n * Iterating through a vector instance will yield its components `(x, y)` in\n * the corresponding order.\n * ```js\n * const a = new THREE.Vector2( 0, 1 );\n *\n * //no arguments; will be initialised to (0, 0)\n * const b = new THREE.Vector2( );\n *\n * const d = a.distanceTo( b );\n * ```\n */\nclass Vector2 {\n\n\t/**\n\t * Constructs a new 2D vector.\n\t *\n\t * @param {number} [x=0] - The x value of this vector.\n\t * @param {number} [y=0] - The y value of this vector.\n\t */\n\tconstructor( x = 0, y = 0 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tVector2.prototype.isVector2 = true;\n\n\t\t/**\n\t\t * The x value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.x = x;\n\n\t\t/**\n\t\t * The y value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.y = y;\n\n\t}\n\n\t/**\n\t * Alias for {@link Vector2#x}.\n\t *\n\t * @type {number}\n\t */\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\t/**\n\t * Alias for {@link Vector2#y}.\n\t *\n\t * @type {number}\n\t */\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\t/**\n\t * Sets the vector components.\n\t *\n\t * @param {number} x - The value of the x component.\n\t * @param {number} y - The value of the y component.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components to the same value.\n\t *\n\t * @param {number} scalar - The value to set for all vector components.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's x component to the given value\n\t *\n\t * @param {number} x - The value to set.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's y component to the given value\n\t *\n\t * @param {number} y - The value to set.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Allows to set a vector component with an index.\n\t *\n\t * @param {number} index - The component index. `0` equals to x, `1` equals to y.\n\t * @param {number} value - The value to set.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the value of the vector component which matches the given index.\n\t *\n\t * @param {number} index - The component index. `0` equals to x, `1` equals to y.\n\t * @return {number} A vector component value.\n\t */\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns a new vector with copied values from this instance.\n\t *\n\t * @return {Vector2} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\t/**\n\t * Copies the values of the given vector to this instance.\n\t *\n\t * @param {Vector2} v - The vector to copy.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vector to this instance.\n\t *\n\t * @param {Vector2} v - The vector to add.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given scalar value to all components of this instance.\n\t *\n\t * @param {number} s - The scalar to add.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vectors and stores the result in this instance.\n\t *\n\t * @param {Vector2} a - The first vector.\n\t * @param {Vector2} b - The second vector.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vector scaled by the given factor to this instance.\n\t *\n\t * @param {Vector2} v - The vector.\n\t * @param {number} s - The factor that scales `v`.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given vector from this instance.\n\t *\n\t * @param {Vector2} v - The vector to subtract.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given scalar value from all components of this instance.\n\t *\n\t * @param {number} s - The scalar to subtract.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given vectors and stores the result in this instance.\n\t *\n\t * @param {Vector2} a - The first vector.\n\t * @param {Vector2} b - The second vector.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the given vector with this instance.\n\t *\n\t * @param {Vector2} v - The vector to multiply.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the given scalar value with all components of this instance.\n\t *\n\t * @param {number} scalar - The scalar to multiply.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Divides this instance by the given vector.\n\t *\n\t * @param {Vector2} v - The vector to divide.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Divides this vector by the given scalar.\n\t *\n\t * @param {number} scalar - The scalar to divide.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\t/**\n\t * Multiplies this vector (with an implicit 1 as the 3rd component) by\n\t * the given 3x3 matrix.\n\t *\n\t * @param {Matrix3} m - The matrix to apply.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x or y value is greater than the given vector's x or y\n\t * value, replace that value with the corresponding min value.\n\t *\n\t * @param {Vector2} v - The vector.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x or y value is less than the given vector's x or y\n\t * value, replace that value with the corresponding max value.\n\t *\n\t * @param {Vector2} v - The vector.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x or y value is greater than the max vector's x or y\n\t * value, it is replaced by the corresponding value.\n\t * If this vector's x or y value is less than the min vector's x or y value,\n\t * it is replaced by the corresponding value.\n\t *\n\t * @param {Vector2} min - The minimum x and y values.\n\t * @param {Vector2} max - The maximum x and y values in the desired range.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x or y values are greater than the max value, they are\n\t * replaced by the max value.\n\t * If this vector's x or y values are less than the min value, they are\n\t * replaced by the min value.\n\t *\n\t * @param {number} minVal - The minimum value the components will be clamped to.\n\t * @param {number} maxVal - The maximum value the components will be clamped to.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's length is greater than the max value, it is replaced by\n\t * the max value.\n\t * If this vector's length is less than the min value, it is replaced by the\n\t * min value.\n\t *\n\t * @param {number} min - The minimum value the vector length will be clamped to.\n\t * @param {number} max - The maximum value the vector length will be clamped to.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded down to the nearest integer value.\n\t *\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded up to the nearest integer value.\n\t *\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded to the nearest integer value\n\t *\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded towards zero (up if negative,\n\t * down if positive) to an integer value.\n\t *\n\t * @return {Vector2} A reference to this vector.\n\t */\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Inverts this vector - i.e. sets x = -x and y = -y.\n\t *\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Calculates the dot product of the given vector with this instance.\n\t *\n\t * @param {Vector2} v - The vector to compute the dot product with.\n\t * @return {number} The result of the dot product.\n\t */\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\t/**\n\t * Calculates the cross product of the given vector with this instance.\n\t *\n\t * @param {Vector2} v - The vector to compute the cross product with.\n\t * @return {number} The result of the cross product.\n\t */\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\t/**\n\t * Computes the square of the Euclidean length (straight-line length) from\n\t * (0, 0) to (x, y). If you are comparing the lengths of vectors, you should\n\t * compare the length squared instead as it is slightly more efficient to calculate.\n\t *\n\t * @return {number} The square length of this vector.\n\t */\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\t/**\n\t * Computes the Euclidean length (straight-line length) from (0, 0) to (x, y).\n\t *\n\t * @return {number} The length of this vector.\n\t */\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\t/**\n\t * Computes the Manhattan length of this vector.\n\t *\n\t * @return {number} The length of this vector.\n\t */\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\t/**\n\t * Converts this vector to a unit vector - that is, sets it equal to a vector\n\t * with the same direction as this one, but with a vector length of `1`.\n\t *\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\t/**\n\t * Computes the angle in radians of this vector with respect to the positive x-axis.\n\t *\n\t * @return {number} The angle in radians.\n\t */\n\tangle() {\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\t/**\n\t * Returns the angle between the given vector and this instance in radians.\n\t *\n\t * @param {Vector2} v - The vector to compute the angle with.\n\t * @return {number} The angle in radians.\n\t */\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, -1, 1 ) );\n\n\t}\n\n\t/**\n\t * Computes the distance from the given vector to this instance.\n\t *\n\t * @param {Vector2} v - The vector to compute the distance to.\n\t * @return {number} The distance.\n\t */\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\t/**\n\t * Computes the squared distance from the given vector to this instance.\n\t * If you are just comparing the distance with another distance, you should compare\n\t * the distance squared instead as it is slightly more efficient to calculate.\n\t *\n\t * @param {Vector2} v - The vector to compute the squared distance to.\n\t * @return {number} The squared distance.\n\t */\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\t/**\n\t * Computes the Manhattan distance from the given vector to this instance.\n\t *\n\t * @param {Vector2} v - The vector to compute the Manhattan distance to.\n\t * @return {number} The Manhattan distance.\n\t */\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\t/**\n\t * Sets this vector to a vector with the same direction as this one, but\n\t * with the specified length.\n\t *\n\t * @param {number} length - The new length of this vector.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\t/**\n\t * Linearly interpolates between the given vector and this instance, where\n\t * alpha is the percent distance along the line - alpha = 0 will be this\n\t * vector, and alpha = 1 will be the given one.\n\t *\n\t * @param {Vector2} v - The vector to interpolate towards.\n\t * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Linearly interpolates between the given vectors, where alpha is the percent\n\t * distance along the line - alpha = 0 will be first vector, and alpha = 1 will\n\t * be the second one. The result is stored in this instance.\n\t *\n\t * @param {Vector2} v1 - The first vector.\n\t * @param {Vector2} v2 - The second vector.\n\t * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this vector is equal with the given one.\n\t *\n\t * @param {Vector2} v - The vector to test for equality.\n\t * @return {boolean} Whether this vector is equal with the given one.\n\t */\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\t/**\n\t * Sets this vector's x value to be `array[ offset ]` and y\n\t * value to be `array[ offset + 1 ]`.\n\t *\n\t * @param {Array} array - An array holding the vector component values.\n\t * @param {number} [offset=0] - The offset into the array.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Writes the components of this vector to the given array. If no array is provided,\n\t * the method returns a new instance.\n\t *\n\t * @param {Array} [array=[]] - The target array holding the vector components.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Array} The vector components.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\t/**\n\t * Sets the components of this vector from the given buffer attribute.\n\t *\n\t * @param {BufferAttribute} attribute - The buffer attribute holding vector data.\n\t * @param {number} index - The index into the attribute.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Rotates this vector around the given center by the given angle.\n\t *\n\t * @param {Vector2} center - The point around which to rotate.\n\t * @param {number} angle - The angle to rotate, in radians.\n\t * @return {Vector2} A reference to this vector.\n\t */\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets each component of this vector to a pseudo-random value between `0` and\n\t * `1`, excluding `1`.\n\t *\n\t * @return {Vector2} A reference to this vector.\n\t */\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\n/**\n * Class for representing a Quaternion. Quaternions are used in three.js to represent rotations.\n *\n * Iterating through a vector instance will yield its components `(x, y, z, w)` in\n * the corresponding order.\n *\n * Note that three.js expects Quaternions to be normalized.\n * ```js\n * const quaternion = new THREE.Quaternion();\n * quaternion.setFromAxisAngle( new THREE.Vector3( 0, 1, 0 ), Math.PI / 2 );\n *\n * const vector = new THREE.Vector3( 1, 0, 0 );\n * vector.applyQuaternion( quaternion );\n * ```\n */\nclass Quaternion {\n\n\t/**\n\t * Constructs a new quaternion.\n\t *\n\t * @param {number} [x=0] - The x value of this quaternion.\n\t * @param {number} [y=0] - The y value of this quaternion.\n\t * @param {number} [z=0] - The z value of this quaternion.\n\t * @param {number} [w=1] - The w value of this quaternion.\n\t */\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isQuaternion = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\t/**\n\t * Interpolates between two quaternions via SLERP. This implementation assumes the\n\t * quaternion data are managed in flat arrays.\n\t *\n\t * @param {Array} dst - The destination array.\n\t * @param {number} dstOffset - An offset into the destination array.\n\t * @param {Array} src0 - The source array of the first quaternion.\n\t * @param {number} srcOffset0 - An offset into the first source array.\n\t * @param {Array} src1 - The source array of the second quaternion.\n\t * @param {number} srcOffset1 - An offset into the second source array.\n\t * @param {number} t - The interpolation factor in the range `[0,1]`.\n\t * @see {@link Quaternion#slerp}\n\t */\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tlet x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t <= 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t >= 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet dot = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1;\n\n\t\t\tif ( dot < 0 ) {\n\n\t\t\t\tx1 = - x1;\n\t\t\t\ty1 = - y1;\n\t\t\t\tz1 = - z1;\n\t\t\t\tw1 = - w1;\n\n\t\t\t\tdot = - dot;\n\n\t\t\t}\n\n\t\t\tlet s = 1 - t;\n\n\t\t\tif ( dot < 0.9995 ) {\n\n\t\t\t\t// slerp\n\n\t\t\t\tconst theta = Math.acos( dot );\n\t\t\t\tconst sin = Math.sin( theta );\n\n\t\t\t\ts = Math.sin( s * theta ) / sin;\n\t\t\t\tt = Math.sin( t * theta ) / sin;\n\n\t\t\t\tx0 = x0 * s + x1 * t;\n\t\t\t\ty0 = y0 * s + y1 * t;\n\t\t\t\tz0 = z0 * s + z1 * t;\n\t\t\t\tw0 = w0 * s + w1 * t;\n\n\t\t\t} else {\n\n\t\t\t\t// for small angles, lerp then normalize\n\n\t\t\t\tx0 = x0 * s + x1 * t;\n\t\t\t\ty0 = y0 * s + y1 * t;\n\t\t\t\tz0 = z0 * s + z1 * t;\n\t\t\t\tw0 = w0 * s + w1 * t;\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\t/**\n\t * Multiplies two quaternions. This implementation assumes the quaternion data are managed\n\t * in flat arrays.\n\t *\n\t * @param {Array} dst - The destination array.\n\t * @param {number} dstOffset - An offset into the destination array.\n\t * @param {Array} src0 - The source array of the first quaternion.\n\t * @param {number} srcOffset0 - An offset into the first source array.\n\t * @param {Array} src1 - The source array of the second quaternion.\n\t * @param {number} srcOffset1 - An offset into the second source array.\n\t * @return {Array} The destination array.\n\t * @see {@link Quaternion#multiplyQuaternions}.\n\t */\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\t/**\n\t * The x value of this quaternion.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\t/**\n\t * The y value of this quaternion.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\t/**\n\t * The z value of this quaternion.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\t/**\n\t * The w value of this quaternion.\n\t *\n\t * @type {number}\n\t * @default 1\n\t */\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\t/**\n\t * Sets the quaternion components.\n\t *\n\t * @param {number} x - The x value of this quaternion.\n\t * @param {number} y - The y value of this quaternion.\n\t * @param {number} z - The z value of this quaternion.\n\t * @param {number} w - The w value of this quaternion.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new quaternion with copied values from this instance.\n\t *\n\t * @return {Quaternion} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\t/**\n\t * Copies the values of the given quaternion to this instance.\n\t *\n\t * @param {Quaternion} quaternion - The quaternion to copy.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this quaternion from the rotation specified by the given\n\t * Euler angles.\n\t *\n\t * @param {Euler} euler - The Euler angles.\n\t * @param {boolean} [update=true] - Whether the internal `onChange` callback should be executed or not.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tsetFromEuler( euler, update = true ) {\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\twarn( 'Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this quaternion from the given axis and angle.\n\t *\n\t * @param {Vector3} axis - The normalized axis.\n\t * @param {number} angle - The angle in radians.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this quaternion from the given rotation matrix.\n\t *\n\t * @param {Matrix4} m - A 4x4 matrix of which the upper 3x3 of matrix is a pure rotation matrix (i.e. unscaled).\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this quaternion to the rotation required to rotate the direction vector\n\t * `vFrom` to the direction vector `vTo`.\n\t *\n\t * @param {Vector3} vFrom - The first (normalized) direction vector.\n\t * @param {Vector3} vTo - The second (normalized) direction vector.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < 1e-8 ) { // the epsilon value has been discussed in #31286\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\t/**\n\t * Returns the angle between this quaternion and the given one in radians.\n\t *\n\t * @param {Quaternion} q - The quaternion to compute the angle with.\n\t * @return {number} The angle in radians.\n\t */\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), -1, 1 ) ) );\n\n\t}\n\n\t/**\n\t * Rotates this quaternion by a given angular step to the given quaternion.\n\t * The method ensures that the final quaternion will not overshoot `q`.\n\t *\n\t * @param {Quaternion} q - The target quaternion.\n\t * @param {number} step - The angular step in radians.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this quaternion to the identity quaternion; that is, to the\n\t * quaternion that represents \"no rotation\".\n\t *\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\t/**\n\t * Inverts this quaternion via {@link Quaternion#conjugate}. The\n\t * quaternion is assumed to have unit length.\n\t *\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tinvert() {\n\n\t\treturn this.conjugate();\n\n\t}\n\n\t/**\n\t * Returns the rotational conjugate of this quaternion. The conjugate of a\n\t * quaternion represents the same rotation in the opposite direction about\n\t * the rotational axis.\n\t *\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tconjugate() {\n\n\t\tthis._x *= -1;\n\t\tthis._y *= -1;\n\t\tthis._z *= -1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Calculates the dot product of this quaternion and the given one.\n\t *\n\t * @param {Quaternion} v - The quaternion to compute the dot product with.\n\t * @return {number} The result of the dot product.\n\t */\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\t/**\n\t * Computes the squared Euclidean length (straight-line length) of this quaternion,\n\t * considered as a 4 dimensional vector. This can be useful if you are comparing the\n\t * lengths of two quaternions, as this is a slightly more efficient calculation than\n\t * {@link Quaternion#length}.\n\t *\n\t * @return {number} The squared Euclidean length.\n\t */\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\t/**\n\t * Computes the Euclidean length (straight-line length) of this quaternion,\n\t * considered as a 4 dimensional vector.\n\t *\n\t * @return {number} The Euclidean length.\n\t */\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\t/**\n\t * Normalizes this quaternion - that is, calculated the quaternion that performs\n\t * the same rotation as this one, but has a length equal to `1`.\n\t *\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies this quaternion by the given one.\n\t *\n\t * @param {Quaternion} q - The quaternion.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tmultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\t/**\n\t * Pre-multiplies this quaternion by the given one.\n\t *\n\t * @param {Quaternion} q - The quaternion.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\t/**\n\t * Multiplies the given quaternions and stores the result in this instance.\n\t *\n\t * @param {Quaternion} a - The first quaternion.\n\t * @param {Quaternion} b - The second quaternion.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Performs a spherical linear interpolation between quaternions.\n\t *\n\t * @param {Quaternion} qb - The target quaternion.\n\t * @param {number} t - The interpolation factor in the closed interval `[0, 1]`.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tslerp( qb, t ) {\n\n\t\tif ( t <= 0 ) return this;\n\n\t\tif ( t >= 1 ) return this.copy( qb ); // copy calls _onChangeCallback()\n\n\t\tlet x = qb._x, y = qb._y, z = qb._z, w = qb._w;\n\n\t\tlet dot = this.dot( qb );\n\n\t\tif ( dot < 0 ) {\n\n\t\t\tx = - x;\n\t\t\ty = - y;\n\t\t\tz = - z;\n\t\t\tw = - w;\n\n\t\t\tdot = - dot;\n\n\t\t}\n\n\t\tlet s = 1 - t;\n\n\t\tif ( dot < 0.9995 ) {\n\n\t\t\t// slerp\n\n\t\t\tconst theta = Math.acos( dot );\n\t\t\tconst sin = Math.sin( theta );\n\n\t\t\ts = Math.sin( s * theta ) / sin;\n\t\t\tt = Math.sin( t * theta ) / sin;\n\n\t\t\tthis._x = this._x * s + x * t;\n\t\t\tthis._y = this._y * s + y * t;\n\t\t\tthis._z = this._z * s + z * t;\n\t\t\tthis._w = this._w * s + w * t;\n\n\t\t\tthis._onChangeCallback();\n\n\t\t} else {\n\n\t\t\t// for small angles, lerp then normalize\n\n\t\t\tthis._x = this._x * s + x * t;\n\t\t\tthis._y = this._y * s + y * t;\n\t\t\tthis._z = this._z * s + z * t;\n\t\t\tthis._w = this._w * s + w * t;\n\n\t\t\tthis.normalize(); // normalize calls _onChangeCallback()\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Performs a spherical linear interpolation between the given quaternions\n\t * and stores the result in this quaternion.\n\t *\n\t * @param {Quaternion} qa - The source quaternion.\n\t * @param {Quaternion} qb - The target quaternion.\n\t * @param {number} t - The interpolation factor in the closed interval `[0, 1]`.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\treturn this.copy( qa ).slerp( qb, t );\n\n\t}\n\n\t/**\n\t * Sets this quaternion to a uniformly random, normalized quaternion.\n\t *\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\trandom() {\n\n\t\t// Ken Shoemake\n\t\t// Uniform random rotations\n\t\t// D. Kirk, editor, Graphics Gems III, pages 124-132. Academic Press, New York, 1992.\n\n\t\tconst theta1 = 2 * Math.PI * Math.random();\n\t\tconst theta2 = 2 * Math.PI * Math.random();\n\n\t\tconst x0 = Math.random();\n\t\tconst r1 = Math.sqrt( 1 - x0 );\n\t\tconst r2 = Math.sqrt( x0 );\n\n\t\treturn this.set(\n\t\t\tr1 * Math.sin( theta1 ),\n\t\t\tr1 * Math.cos( theta1 ),\n\t\t\tr2 * Math.sin( theta2 ),\n\t\t\tr2 * Math.cos( theta2 ),\n\t\t);\n\n\t}\n\n\t/**\n\t * Returns `true` if this quaternion is equal with the given one.\n\t *\n\t * @param {Quaternion} quaternion - The quaternion to test for equality.\n\t * @return {boolean} Whether this quaternion is equal with the given one.\n\t */\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\t/**\n\t * Sets this quaternion's components from the given array.\n\t *\n\t * @param {Array} array - An array holding the quaternion component values.\n\t * @param {number} [offset=0] - The offset into the array.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Writes the components of this quaternion to the given array. If no array is provided,\n\t * the method returns a new instance.\n\t *\n\t * @param {Array} [array=[]] - The target array holding the quaternion components.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Array} The quaternion components.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\t/**\n\t * Sets the components of this quaternion from the given buffer attribute.\n\t *\n\t * @param {BufferAttribute} attribute - The buffer attribute holding quaternion data.\n\t * @param {number} index - The index into the attribute.\n\t * @return {Quaternion} A reference to this quaternion.\n\t */\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * This methods defines the serialization result of this class. Returns the\n\t * numerical elements of this quaternion in an array of format `[x, y, z, w]`.\n\t *\n\t * @return {Array} The serialized quaternion.\n\t */\n\ttoJSON() {\n\n\t\treturn this.toArray();\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._w;\n\n\t}\n\n}\n\n/**\n * Class representing a 3D vector. A 3D vector is an ordered triplet of numbers\n * (labeled x, y and z), which can be used to represent a number of things, such as:\n *\n * - A point in 3D space.\n * - A direction and length in 3D space. In three.js the length will\n * always be the Euclidean distance(straight-line distance) from `(0, 0, 0)` to `(x, y, z)`\n * and the direction is also measured from `(0, 0, 0)` towards `(x, y, z)`.\n * - Any arbitrary ordered triplet of numbers.\n *\n * There are other things a 3D vector can be used to represent, such as\n * momentum vectors and so on, however these are the most\n * common uses in three.js.\n *\n * Iterating through a vector instance will yield its components `(x, y, z)` in\n * the corresponding order.\n * ```js\n * const a = new THREE.Vector3( 0, 1, 0 );\n *\n * //no arguments; will be initialised to (0, 0, 0)\n * const b = new THREE.Vector3( );\n *\n * const d = a.distanceTo( b );\n * ```\n */\nclass Vector3 {\n\n\t/**\n\t * Constructs a new 3D vector.\n\t *\n\t * @param {number} [x=0] - The x value of this vector.\n\t * @param {number} [y=0] - The y value of this vector.\n\t * @param {number} [z=0] - The z value of this vector.\n\t */\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tVector3.prototype.isVector3 = true;\n\n\t\t/**\n\t\t * The x value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.x = x;\n\n\t\t/**\n\t\t * The y value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.y = y;\n\n\t\t/**\n\t\t * The z value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.z = z;\n\n\t}\n\n\t/**\n\t * Sets the vector components.\n\t *\n\t * @param {number} x - The value of the x component.\n\t * @param {number} y - The value of the y component.\n\t * @param {number} z - The value of the z component.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components to the same value.\n\t *\n\t * @param {number} scalar - The value to set for all vector components.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's x component to the given value\n\t *\n\t * @param {number} x - The value to set.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's y component to the given value\n\t *\n\t * @param {number} y - The value to set.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's z component to the given value\n\t *\n\t * @param {number} z - The value to set.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Allows to set a vector component with an index.\n\t *\n\t * @param {number} index - The component index. `0` equals to x, `1` equals to y, `2` equals to z.\n\t * @param {number} value - The value to set.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the value of the vector component which matches the given index.\n\t *\n\t * @param {number} index - The component index. `0` equals to x, `1` equals to y, `2` equals to z.\n\t * @return {number} A vector component value.\n\t */\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns a new vector with copied values from this instance.\n\t *\n\t * @return {Vector3} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\t/**\n\t * Copies the values of the given vector to this instance.\n\t *\n\t * @param {Vector3} v - The vector to copy.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vector to this instance.\n\t *\n\t * @param {Vector3} v - The vector to add.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given scalar value to all components of this instance.\n\t *\n\t * @param {number} s - The scalar to add.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vectors and stores the result in this instance.\n\t *\n\t * @param {Vector3} a - The first vector.\n\t * @param {Vector3} b - The second vector.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vector scaled by the given factor to this instance.\n\t *\n\t * @param {Vector3|Vector4} v - The vector.\n\t * @param {number} s - The factor that scales `v`.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given vector from this instance.\n\t *\n\t * @param {Vector3} v - The vector to subtract.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given scalar value from all components of this instance.\n\t *\n\t * @param {number} s - The scalar to subtract.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given vectors and stores the result in this instance.\n\t *\n\t * @param {Vector3} a - The first vector.\n\t * @param {Vector3} b - The second vector.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the given vector with this instance.\n\t *\n\t * @param {Vector3} v - The vector to multiply.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the given scalar value with all components of this instance.\n\t *\n\t * @param {number} scalar - The scalar to multiply.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the given vectors and stores the result in this instance.\n\t *\n\t * @param {Vector3} a - The first vector.\n\t * @param {Vector3} b - The second vector.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the given Euler rotation to this vector.\n\t *\n\t * @param {Euler} euler - The Euler angles.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tapplyEuler( euler ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\t/**\n\t * Applies a rotation specified by an axis and an angle to this vector.\n\t *\n\t * @param {Vector3} axis - A normalized vector representing the rotation axis.\n\t * @param {number} angle - The angle in radians.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\t/**\n\t * Multiplies this vector with the given 3x3 matrix.\n\t *\n\t * @param {Matrix3} m - The 3x3 matrix.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies this vector by the given normal matrix and normalizes\n\t * the result.\n\t *\n\t * @param {Matrix3} m - The normal matrix.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\t/**\n\t * Multiplies this vector (with an implicit 1 in the 4th dimension) by m, and\n\t * divides by perspective.\n\t *\n\t * @param {Matrix4} m - The matrix to apply.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the given Quaternion to this vector.\n\t *\n\t * @param {Quaternion} q - The Quaternion.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tapplyQuaternion( q ) {\n\n\t\t// quaternion q is assumed to have unit length\n\n\t\tconst vx = this.x, vy = this.y, vz = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// t = 2 * cross( q.xyz, v );\n\t\tconst tx = 2 * ( qy * vz - qz * vy );\n\t\tconst ty = 2 * ( qz * vx - qx * vz );\n\t\tconst tz = 2 * ( qx * vy - qy * vx );\n\n\t\t// v + q.w * t + cross( q.xyz, t );\n\t\tthis.x = vx + qw * tx + qy * tz - qz * ty;\n\t\tthis.y = vy + qw * ty + qz * tx - qx * tz;\n\t\tthis.z = vz + qw * tz + qx * ty - qy * tx;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Projects this vector from world space into the camera's normalized\n\t * device coordinate (NDC) space.\n\t *\n\t * @param {Camera} camera - The camera.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\t/**\n\t * Unprojects this vector from the camera's normalized device coordinate (NDC)\n\t * space into world space.\n\t *\n\t * @param {Camera} camera - The camera.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\t/**\n\t * Transforms the direction of this vector by a matrix (the upper left 3 x 3\n\t * subset of the given 4x4 matrix and then normalizes the result.\n\t *\n\t * @param {Matrix4} m - The matrix.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\t/**\n\t * Divides this instance by the given vector.\n\t *\n\t * @param {Vector3} v - The vector to divide.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Divides this vector by the given scalar.\n\t *\n\t * @param {number} scalar - The scalar to divide.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\t/**\n\t * If this vector's x, y or z value is greater than the given vector's x, y or z\n\t * value, replace that value with the corresponding min value.\n\t *\n\t * @param {Vector3} v - The vector.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x, y or z value is less than the given vector's x, y or z\n\t * value, replace that value with the corresponding max value.\n\t *\n\t * @param {Vector3} v - The vector.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x, y or z value is greater than the max vector's x, y or z\n\t * value, it is replaced by the corresponding value.\n\t * If this vector's x, y or z value is less than the min vector's x, y or z value,\n\t * it is replaced by the corresponding value.\n\t *\n\t * @param {Vector3} min - The minimum x, y and z values.\n\t * @param {Vector3} max - The maximum x, y and z values in the desired range.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\t\tthis.z = clamp( this.z, min.z, max.z );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x, y or z values are greater than the max value, they are\n\t * replaced by the max value.\n\t * If this vector's x, y or z values are less than the min value, they are\n\t * replaced by the min value.\n\t *\n\t * @param {number} minVal - The minimum value the components will be clamped to.\n\t * @param {number} maxVal - The maximum value the components will be clamped to.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\t\tthis.z = clamp( this.z, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's length is greater than the max value, it is replaced by\n\t * the max value.\n\t * If this vector's length is less than the min value, it is replaced by the\n\t * min value.\n\t *\n\t * @param {number} min - The minimum value the vector length will be clamped to.\n\t * @param {number} max - The maximum value the vector length will be clamped to.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded down to the nearest integer value.\n\t *\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded up to the nearest integer value.\n\t *\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded to the nearest integer value\n\t *\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded towards zero (up if negative,\n\t * down if positive) to an integer value.\n\t *\n\t * @return {Vector3} A reference to this vector.\n\t */\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\t\tthis.z = Math.trunc( this.z );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Inverts this vector - i.e. sets x = -x, y = -y and z = -z.\n\t *\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Calculates the dot product of the given vector with this instance.\n\t *\n\t * @param {Vector3} v - The vector to compute the dot product with.\n\t * @return {number} The result of the dot product.\n\t */\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\t/**\n\t * Computes the square of the Euclidean length (straight-line length) from\n\t * (0, 0, 0) to (x, y, z). If you are comparing the lengths of vectors, you should\n\t * compare the length squared instead as it is slightly more efficient to calculate.\n\t *\n\t * @return {number} The square length of this vector.\n\t */\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\t/**\n\t * Computes the Euclidean length (straight-line length) from (0, 0, 0) to (x, y, z).\n\t *\n\t * @return {number} The length of this vector.\n\t */\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\t/**\n\t * Computes the Manhattan length of this vector.\n\t *\n\t * @return {number} The length of this vector.\n\t */\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\t/**\n\t * Converts this vector to a unit vector - that is, sets it equal to a vector\n\t * with the same direction as this one, but with a vector length of `1`.\n\t *\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\t/**\n\t * Sets this vector to a vector with the same direction as this one, but\n\t * with the specified length.\n\t *\n\t * @param {number} length - The new length of this vector.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\t/**\n\t * Linearly interpolates between the given vector and this instance, where\n\t * alpha is the percent distance along the line - alpha = 0 will be this\n\t * vector, and alpha = 1 will be the given one.\n\t *\n\t * @param {Vector3} v - The vector to interpolate towards.\n\t * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Linearly interpolates between the given vectors, where alpha is the percent\n\t * distance along the line - alpha = 0 will be first vector, and alpha = 1 will\n\t * be the second one. The result is stored in this instance.\n\t *\n\t * @param {Vector3} v1 - The first vector.\n\t * @param {Vector3} v2 - The second vector.\n\t * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Calculates the cross product of the given vector with this instance.\n\t *\n\t * @param {Vector3} v - The vector to compute the cross product with.\n\t * @return {Vector3} The result of the cross product.\n\t */\n\tcross( v ) {\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\t/**\n\t * Calculates the cross product of the given vectors and stores the result\n\t * in this instance.\n\t *\n\t * @param {Vector3} a - The first vector.\n\t * @param {Vector3} b - The second vector.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Projects this vector onto the given one.\n\t *\n\t * @param {Vector3} v - The vector to project to.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\t/**\n\t * Projects this vector onto a plane by subtracting this\n\t * vector projected onto the plane's normal from this vector.\n\t *\n\t * @param {Vector3} planeNormal - The plane normal.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\t/**\n\t * Reflects this vector off a plane orthogonal to the given normal vector.\n\t *\n\t * @param {Vector3} normal - The (normalized) normal vector.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\treflect( normal ) {\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\t/**\n\t * Returns the angle between the given vector and this instance in radians.\n\t *\n\t * @param {Vector3} v - The vector to compute the angle with.\n\t * @return {number} The angle in radians.\n\t */\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, -1, 1 ) );\n\n\t}\n\n\t/**\n\t * Computes the distance from the given vector to this instance.\n\t *\n\t * @param {Vector3} v - The vector to compute the distance to.\n\t * @return {number} The distance.\n\t */\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\t/**\n\t * Computes the squared distance from the given vector to this instance.\n\t * If you are just comparing the distance with another distance, you should compare\n\t * the distance squared instead as it is slightly more efficient to calculate.\n\t *\n\t * @param {Vector3} v - The vector to compute the squared distance to.\n\t * @return {number} The squared distance.\n\t */\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\t/**\n\t * Computes the Manhattan distance from the given vector to this instance.\n\t *\n\t * @param {Vector3} v - The vector to compute the Manhattan distance to.\n\t * @return {number} The Manhattan distance.\n\t */\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\t/**\n\t * Sets the vector components from the given spherical coordinates.\n\t *\n\t * @param {Spherical} s - The spherical coordinates.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\t/**\n\t * Sets the vector components from the given spherical coordinates.\n\t *\n\t * @param {number} radius - The radius.\n\t * @param {number} phi - The phi angle in radians.\n\t * @param {number} theta - The theta angle in radians.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components from the given cylindrical coordinates.\n\t *\n\t * @param {Cylindrical} c - The cylindrical coordinates.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\t/**\n\t * Sets the vector components from the given cylindrical coordinates.\n\t *\n\t * @param {number} radius - The radius.\n\t * @param {number} theta - The theta angle in radians.\n\t * @param {number} y - The y value.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components to the position elements of the\n\t * given transformation matrix.\n\t *\n\t * @param {Matrix4} m - The 4x4 matrix.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components to the scale elements of the\n\t * given transformation matrix.\n\t *\n\t * @param {Matrix4} m - The 4x4 matrix.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components from the specified matrix column.\n\t *\n\t * @param {Matrix4} m - The 4x4 matrix.\n\t * @param {number} index - The column index.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\t/**\n\t * Sets the vector components from the specified matrix column.\n\t *\n\t * @param {Matrix3} m - The 3x3 matrix.\n\t * @param {number} index - The column index.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\t/**\n\t * Sets the vector components from the given Euler angles.\n\t *\n\t * @param {Euler} e - The Euler angles to set.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromEuler( e ) {\n\n\t\tthis.x = e._x;\n\t\tthis.y = e._y;\n\t\tthis.z = e._z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components from the RGB components of the\n\t * given color.\n\t *\n\t * @param {Color} c - The color to set.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tsetFromColor( c ) {\n\n\t\tthis.x = c.r;\n\t\tthis.y = c.g;\n\t\tthis.z = c.b;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this vector is equal with the given one.\n\t *\n\t * @param {Vector3} v - The vector to test for equality.\n\t * @return {boolean} Whether this vector is equal with the given one.\n\t */\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\t/**\n\t * Sets this vector's x value to be `array[ offset ]`, y value to be `array[ offset + 1 ]`\n\t * and z value to be `array[ offset + 2 ]`.\n\t *\n\t * @param {Array} array - An array holding the vector component values.\n\t * @param {number} [offset=0] - The offset into the array.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Writes the components of this vector to the given array. If no array is provided,\n\t * the method returns a new instance.\n\t *\n\t * @param {Array} [array=[]] - The target array holding the vector components.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Array} The vector components.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\t/**\n\t * Sets the components of this vector from the given buffer attribute.\n\t *\n\t * @param {BufferAttribute} attribute - The buffer attribute holding vector data.\n\t * @param {number} index - The index into the attribute.\n\t * @return {Vector3} A reference to this vector.\n\t */\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets each component of this vector to a pseudo-random value between `0` and\n\t * `1`, excluding `1`.\n\t *\n\t * @return {Vector3} A reference to this vector.\n\t */\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this vector to a uniformly random point on a unit sphere.\n\t *\n\t * @return {Vector3} A reference to this vector.\n\t */\n\trandomDirection() {\n\n\t\t// https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst theta = Math.random() * Math.PI * 2;\n\t\tconst u = Math.random() * 2 - 1;\n\t\tconst c = Math.sqrt( 1 - u * u );\n\n\t\tthis.x = c * Math.cos( theta );\n\t\tthis.y = u;\n\t\tthis.z = c * Math.sin( theta );\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\n/**\n * Represents a 3x3 matrix.\n *\n * A Note on Row-Major and Column-Major Ordering:\n *\n * The constructor and {@link Matrix3#set} method take arguments in\n * [row-major](https://en.wikipedia.org/wiki/Row-_and_column-major_order#Column-major_order)\n * order, while internally they are stored in the {@link Matrix3#elements} array in column-major order.\n * This means that calling:\n * ```js\n * const m = new THREE.Matrix();\n * m.set( 11, 12, 13,\n * 21, 22, 23,\n * 31, 32, 33 );\n * ```\n * will result in the elements array containing:\n * ```js\n * m.elements = [ 11, 21, 31,\n * 12, 22, 32,\n * 13, 23, 33 ];\n * ```\n * and internally all calculations are performed using column-major ordering.\n * However, as the actual ordering makes no difference mathematically and\n * most people are used to thinking about matrices in row-major order, the\n * three.js documentation shows matrices in row-major order. Just bear in\n * mind that if you are reading the source code, you'll have to take the\n * transpose of any matrices outlined here to make sense of the calculations.\n */\nclass Matrix3 {\n\n\t/**\n\t * Constructs a new 3x3 matrix. The arguments are supposed to be\n\t * in row-major order. If no arguments are provided, the constructor\n\t * initializes the matrix as an identity matrix.\n\t *\n\t * @param {number} [n11] - 1-1 matrix element.\n\t * @param {number} [n12] - 1-2 matrix element.\n\t * @param {number} [n13] - 1-3 matrix element.\n\t * @param {number} [n21] - 2-1 matrix element.\n\t * @param {number} [n22] - 2-2 matrix element.\n\t * @param {number} [n23] - 2-3 matrix element.\n\t * @param {number} [n31] - 3-1 matrix element.\n\t * @param {number} [n32] - 3-2 matrix element.\n\t * @param {number} [n33] - 3-3 matrix element.\n\t */\n\tconstructor( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tMatrix3.prototype.isMatrix3 = true;\n\n\t\t/**\n\t\t * A column-major list of matrix values.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n13, n21, n22, n23, n31, n32, n33 );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Sets the elements of the matrix.The arguments are supposed to be\n\t * in row-major order.\n\t *\n\t * @param {number} [n11] - 1-1 matrix element.\n\t * @param {number} [n12] - 1-2 matrix element.\n\t * @param {number} [n13] - 1-3 matrix element.\n\t * @param {number} [n21] - 2-1 matrix element.\n\t * @param {number} [n22] - 2-2 matrix element.\n\t * @param {number} [n23] - 2-3 matrix element.\n\t * @param {number} [n31] - 3-1 matrix element.\n\t * @param {number} [n32] - 3-2 matrix element.\n\t * @param {number} [n33] - 3-3 matrix element.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix to the 3x3 identity matrix.\n\t *\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the values of the given matrix to this instance.\n\t *\n\t * @param {Matrix3} m - The matrix to copy.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Extracts the basis of this matrix into the three axis vectors provided.\n\t *\n\t * @param {Vector3} xAxis - The basis's x axis.\n\t * @param {Vector3} yAxis - The basis's y axis.\n\t * @param {Vector3} zAxis - The basis's z axis.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Set this matrix to the upper 3x3 matrix of the given 4x4 matrix.\n\t *\n\t * @param {Matrix4} m - The 4x4 matrix.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Post-multiplies this matrix by the given 3x3 matrix.\n\t *\n\t * @param {Matrix3} m - The matrix to multiply with.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\t/**\n\t * Pre-multiplies this matrix by the given 3x3 matrix.\n\t *\n\t * @param {Matrix3} m - The matrix to multiply with.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\t/**\n\t * Multiples the given 3x3 matrices and stores the result\n\t * in this matrix.\n\t *\n\t * @param {Matrix3} a - The first matrix.\n\t * @param {Matrix3} b - The second matrix.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies every component of the matrix by the given scalar.\n\t *\n\t * @param {number} s - The scalar.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes and returns the determinant of this matrix.\n\t *\n\t * @return {number} The determinant.\n\t */\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\t/**\n\t * Inverts this matrix, using the [analytic method](https://en.wikipedia.org/wiki/Invertible_matrix#Analytic_solution).\n\t * You can not invert with a determinant of zero. If you attempt this, the method produces\n\t * a zero matrix instead.\n\t *\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Transposes this matrix in place.\n\t *\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes the normal matrix which is the inverse transpose of the upper\n\t * left 3x3 portion of the given 4x4 matrix.\n\t *\n\t * @param {Matrix4} matrix4 - The 4x4 matrix.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\t/**\n\t * Transposes this matrix into the supplied array, and returns itself unchanged.\n\t *\n\t * @param {Array} r - An array to store the transposed matrix elements.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the UV transform matrix from offset, repeat, rotation, and center.\n\t *\n\t * @param {number} tx - Offset x.\n\t * @param {number} ty - Offset y.\n\t * @param {number} sx - Repeat x.\n\t * @param {number} sy - Repeat y.\n\t * @param {number} rotation - Rotation, in radians. Positive values rotate counterclockwise.\n\t * @param {number} cx - Center x of rotation.\n\t * @param {number} cy - Center y of rotation\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Scales this matrix with the given scalar values.\n\t *\n\t * @param {number} sx - The amount to scale in the X axis.\n\t * @param {number} sy - The amount to scale in the Y axis.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tscale( sx, sy ) {\n\n\t\tthis.premultiply( _m3.makeScale( sx, sy ) );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Rotates this matrix by the given angle.\n\t *\n\t * @param {number} theta - The rotation in radians.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\trotate( theta ) {\n\n\t\tthis.premultiply( _m3.makeRotation( - theta ) );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Translates this matrix by the given scalar values.\n\t *\n\t * @param {number} tx - The amount to translate in the X axis.\n\t * @param {number} ty - The amount to translate in the Y axis.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\ttranslate( tx, ty ) {\n\n\t\tthis.premultiply( _m3.makeTranslation( tx, ty ) );\n\n\t\treturn this;\n\n\t}\n\n\t// for 2D Transforms\n\n\t/**\n\t * Sets this matrix as a 2D translation transform.\n\t *\n\t * @param {number|Vector2} x - The amount to translate in the X axis or alternatively a translation vector.\n\t * @param {number} y - The amount to translate in the Y axis.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tmakeTranslation( x, y ) {\n\n\t\tif ( x.isVector2 ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, x.x,\n\t\t\t\t0, 1, x.y,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, x,\n\t\t\t\t0, 1, y,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix as a 2D rotational transformation.\n\t *\n\t * @param {number} theta - The rotation in radians.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tmakeRotation( theta ) {\n\n\t\t// counterclockwise\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0,\n\t\t\ts, c, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix as a 2D scale transform.\n\t *\n\t * @param {number} x - The amount to scale in the X axis.\n\t * @param {number} y - The amount to scale in the Y axis.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tmakeScale( x, y ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0,\n\t\t\t0, y, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this matrix is equal with the given one.\n\t *\n\t * @param {Matrix3} matrix - The matrix to test for equality.\n\t * @return {boolean} Whether this matrix is equal with the given one.\n\t */\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\t/**\n\t * Sets the elements of the matrix from the given array.\n\t *\n\t * @param {Array} array - The matrix elements in column-major order.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Matrix3} A reference to this matrix.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Writes the elements of this matrix to the given array. If no array is provided,\n\t * the method returns a new instance.\n\t *\n\t * @param {Array} [array=[]] - The target array holding the matrix elements in column-major order.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Array} The matrix elements in column-major order.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\t/**\n\t * Returns a matrix with copied values from this instance.\n\t *\n\t * @return {Matrix3} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nconst _m3 = /*@__PURE__*/ new Matrix3();\n\nconst LINEAR_REC709_TO_XYZ = /*@__PURE__*/ new Matrix3().set(\n\t0.4123908, 0.3575843, 0.1804808,\n\t0.2126390, 0.7151687, 0.0721923,\n\t0.0193308, 0.1191948, 0.9505322\n);\n\nconst XYZ_TO_LINEAR_REC709 = /*@__PURE__*/ new Matrix3().set(\n\t3.2409699, -1.5373832, -0.4986108,\n\t-0.9692436, 1.8759675, 0.0415551,\n\t0.0556301, -0.203977, 1.0569715\n);\n\nfunction createColorManagement() {\n\n\tconst ColorManagement = {\n\n\t\tenabled: true,\n\n\t\tworkingColorSpace: LinearSRGBColorSpace,\n\n\t\t/**\n\t\t * Implementations of supported color spaces.\n\t\t *\n\t\t * Required:\n\t\t *\t- primaries: chromaticity coordinates [ rx ry gx gy bx by ]\n\t\t *\t- whitePoint: reference white [ x y ]\n\t\t *\t- transfer: transfer function (pre-defined)\n\t\t *\t- toXYZ: Matrix3 RGB to XYZ transform\n\t\t *\t- fromXYZ: Matrix3 XYZ to RGB transform\n\t\t *\t- luminanceCoefficients: RGB luminance coefficients\n\t\t *\n\t\t * Optional:\n\t\t * - outputColorSpaceConfig: { drawingBufferColorSpace: ColorSpace, toneMappingMode: 'extended' | 'standard' }\n\t\t * - workingColorSpaceConfig: { unpackColorSpace: ColorSpace }\n\t\t *\n\t\t * Reference:\n\t\t * - https://www.russellcottrell.com/photo/matrixCalculator.htm\n\t\t */\n\t\tspaces: {},\n\n\t\tconvert: function ( color, sourceColorSpace, targetColorSpace ) {\n\n\t\t\tif ( this.enabled === false || sourceColorSpace === targetColorSpace || ! sourceColorSpace || ! targetColorSpace ) {\n\n\t\t\t\treturn color;\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ sourceColorSpace ].transfer === SRGBTransfer ) {\n\n\t\t\t\tcolor.r = SRGBToLinear( color.r );\n\t\t\t\tcolor.g = SRGBToLinear( color.g );\n\t\t\t\tcolor.b = SRGBToLinear( color.b );\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ sourceColorSpace ].primaries !== this.spaces[ targetColorSpace ].primaries ) {\n\n\t\t\t\tcolor.applyMatrix3( this.spaces[ sourceColorSpace ].toXYZ );\n\t\t\t\tcolor.applyMatrix3( this.spaces[ targetColorSpace ].fromXYZ );\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ targetColorSpace ].transfer === SRGBTransfer ) {\n\n\t\t\t\tcolor.r = LinearToSRGB( color.r );\n\t\t\t\tcolor.g = LinearToSRGB( color.g );\n\t\t\t\tcolor.b = LinearToSRGB( color.b );\n\n\t\t\t}\n\n\t\t\treturn color;\n\n\t\t},\n\n\t\tworkingToColorSpace: function ( color, targetColorSpace ) {\n\n\t\t\treturn this.convert( color, this.workingColorSpace, targetColorSpace );\n\n\t\t},\n\n\t\tcolorSpaceToWorking: function ( color, sourceColorSpace ) {\n\n\t\t\treturn this.convert( color, sourceColorSpace, this.workingColorSpace );\n\n\t\t},\n\n\t\tgetPrimaries: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].primaries;\n\n\t\t},\n\n\t\tgetTransfer: function ( colorSpace ) {\n\n\t\t\tif ( colorSpace === NoColorSpace ) return LinearTransfer;\n\n\t\t\treturn this.spaces[ colorSpace ].transfer;\n\n\t\t},\n\n\t\tgetToneMappingMode: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].outputColorSpaceConfig.toneMappingMode || 'standard';\n\n\t\t},\n\n\t\tgetLuminanceCoefficients: function ( target, colorSpace = this.workingColorSpace ) {\n\n\t\t\treturn target.fromArray( this.spaces[ colorSpace ].luminanceCoefficients );\n\n\t\t},\n\n\t\tdefine: function ( colorSpaces ) {\n\n\t\t\tObject.assign( this.spaces, colorSpaces );\n\n\t\t},\n\n\t\t// Internal APIs\n\n\t\t_getMatrix: function ( targetMatrix, sourceColorSpace, targetColorSpace ) {\n\n\t\t\treturn targetMatrix\n\t\t\t\t.copy( this.spaces[ sourceColorSpace ].toXYZ )\n\t\t\t\t.multiply( this.spaces[ targetColorSpace ].fromXYZ );\n\n\t\t},\n\n\t\t_getDrawingBufferColorSpace: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].outputColorSpaceConfig.drawingBufferColorSpace;\n\n\t\t},\n\n\t\t_getUnpackColorSpace: function ( colorSpace = this.workingColorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].workingColorSpaceConfig.unpackColorSpace;\n\n\t\t},\n\n\t\t// Deprecated\n\n\t\tfromWorkingColorSpace: function ( color, targetColorSpace ) {\n\n\t\t\twarnOnce( 'ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace().' ); // @deprecated, r177\n\n\t\t\treturn ColorManagement.workingToColorSpace( color, targetColorSpace );\n\n\t\t},\n\n\t\ttoWorkingColorSpace: function ( color, sourceColorSpace ) {\n\n\t\t\twarnOnce( 'ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking().' ); // @deprecated, r177\n\n\t\t\treturn ColorManagement.colorSpaceToWorking( color, sourceColorSpace );\n\n\t\t},\n\n\t};\n\n\t/******************************************************************************\n\t * sRGB definitions\n\t */\n\n\tconst REC709_PRIMARIES = [ 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 ];\n\tconst REC709_LUMINANCE_COEFFICIENTS = [ 0.2126, 0.7152, 0.0722 ];\n\tconst D65 = [ 0.3127, 0.3290 ];\n\n\tColorManagement.define( {\n\n\t\t[ LinearSRGBColorSpace ]: {\n\t\t\tprimaries: REC709_PRIMARIES,\n\t\t\twhitePoint: D65,\n\t\t\ttransfer: LinearTransfer,\n\t\t\ttoXYZ: LINEAR_REC709_TO_XYZ,\n\t\t\tfromXYZ: XYZ_TO_LINEAR_REC709,\n\t\t\tluminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS,\n\t\t\tworkingColorSpaceConfig: { unpackColorSpace: SRGBColorSpace },\n\t\t\toutputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace }\n\t\t},\n\n\t\t[ SRGBColorSpace ]: {\n\t\t\tprimaries: REC709_PRIMARIES,\n\t\t\twhitePoint: D65,\n\t\t\ttransfer: SRGBTransfer,\n\t\t\ttoXYZ: LINEAR_REC709_TO_XYZ,\n\t\t\tfromXYZ: XYZ_TO_LINEAR_REC709,\n\t\t\tluminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS,\n\t\t\toutputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace }\n\t\t},\n\n\t} );\n\n\treturn ColorManagement;\n\n}\n\nconst ColorManagement = /*@__PURE__*/ createColorManagement();\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nlet _canvas;\n\n/**\n * A class containing utility functions for images.\n *\n * @hideconstructor\n */\nclass ImageUtils {\n\n\t/**\n\t * Returns a data URI containing a representation of the given image.\n\t *\n\t * @param {(HTMLImageElement|HTMLCanvasElement)} image - The image object.\n\t * @param {string} [type='image/png'] - Indicates the image format.\n\t * @return {string} The data URI.\n\t */\n\tstatic getDataURL( image, type = 'image/png' ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement === 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\treturn canvas.toDataURL( type );\n\n\t}\n\n\t/**\n\t * Converts the given sRGB image data to linear color space.\n\t *\n\t * @param {(HTMLImageElement|HTMLCanvasElement|ImageBitmap|Object)} image - The image object.\n\t * @return {HTMLCanvasElement|Object} The converted image.\n\t */\n\tstatic sRGBToLinear( image ) {\n\n\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\tconst canvas = createElementNS( 'canvas' );\n\n\t\t\tcanvas.width = image.width;\n\t\t\tcanvas.height = image.height;\n\n\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\tconst imageData = context.getImageData( 0, 0, image.width, image.height );\n\t\t\tconst data = imageData.data;\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] / 255 ) * 255;\n\n\t\t\t}\n\n\t\t\tcontext.putImageData( imageData, 0, 0 );\n\n\t\t\treturn canvas;\n\n\t\t} else if ( image.data ) {\n\n\t\t\tconst data = image.data.slice( 0 );\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tif ( data instanceof Uint8Array || data instanceof Uint8ClampedArray ) {\n\n\t\t\t\t\tdata[ i ] = Math.floor( SRGBToLinear( data[ i ] / 255 ) * 255 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assuming float\n\n\t\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tdata: data,\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height\n\t\t\t};\n\n\t\t} else {\n\n\t\t\twarn( 'ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.' );\n\t\t\treturn image;\n\n\t\t}\n\n\t}\n\n}\n\nlet _sourceId = 0;\n\n/**\n * Represents the data source of a texture.\n *\n * The main purpose of this class is to decouple the data definition from the texture\n * definition so the same data can be used with multiple texture instances.\n */\nclass Source {\n\n\t/**\n\t * Constructs a new video texture.\n\t *\n\t * @param {any} [data=null] - The data definition of a texture.\n\t */\n\tconstructor( data = null ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSource = true;\n\n\t\t/**\n\t\t * The ID of the source.\n\t\t *\n\t\t * @name Source#id\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tObject.defineProperty( this, 'id', { value: _sourceId ++ } );\n\n\t\t/**\n\t\t * The UUID of the source.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t\t/**\n\t\t * The data definition of a texture.\n\t\t *\n\t\t * @type {any}\n\t\t */\n\t\tthis.data = data;\n\n\t\t/**\n\t\t * This property is only relevant when {@link Source#needsUpdate} is set to `true` and\n\t\t * provides more control on how texture data should be processed. When `dataReady` is set\n\t\t * to `false`, the engine performs the memory allocation (if necessary) but does not transfer\n\t\t * the data into the GPU memory.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.dataReady = true;\n\n\t\t/**\n\t\t * This starts at `0` and counts how many times {@link Source#needsUpdate} is set to `true`.\n\t\t *\n\t\t * @type {number}\n\t\t * @readonly\n\t\t * @default 0\n\t\t */\n\t\tthis.version = 0;\n\n\t}\n\n\t/**\n\t * Returns the dimensions of the source into the given target vector.\n\t *\n\t * @param {(Vector2|Vector3)} target - The target object the result is written into.\n\t * @return {(Vector2|Vector3)} The dimensions of the source.\n\t */\n\tgetSize( target ) {\n\n\t\tconst data = this.data;\n\n\t\tif ( ( typeof HTMLVideoElement !== 'undefined' ) && ( data instanceof HTMLVideoElement ) ) {\n\n\t\t\ttarget.set( data.videoWidth, data.videoHeight, 0 );\n\n\t\t} else if ( data instanceof VideoFrame ) {\n\n\t\t\ttarget.set( data.displayHeight, data.displayWidth, 0 );\n\n\t\t} else if ( data !== null ) {\n\n\t\t\ttarget.set( data.width, data.height, data.depth || 0 );\n\n\t\t} else {\n\n\t\t\ttarget.set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * When the property is set to `true`, the engine allocates the memory\n\t * for the texture (if necessary) and triggers the actual texture upload\n\t * to the GPU next time the source is used.\n\t *\n\t * @type {boolean}\n\t * @default false\n\t * @param {boolean} value\n\t */\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\t/**\n\t * Serializes the source into JSON.\n\t *\n\t * @param {?(Object|string)} meta - An optional value holding meta information about the serialization.\n\t * @return {Object} A JSON object representing the serialized source.\n\t * @see {@link ObjectLoader#parse}\n\t */\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.images[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\t\t\tuuid: this.uuid,\n\t\t\turl: ''\n\t\t};\n\n\t\tconst data = this.data;\n\n\t\tif ( data !== null ) {\n\n\t\t\tlet url;\n\n\t\t\tif ( Array.isArray( data ) ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\turl = [];\n\n\t\t\t\tfor ( let i = 0, l = data.length; i < l; i ++ ) {\n\n\t\t\t\t\tif ( data[ i ].isDataTexture ) {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ].image ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// texture\n\n\t\t\t\turl = serializeImage( data );\n\n\t\t\t}\n\n\t\t\toutput.url = url;\n\n\t\t}\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.images[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n}\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.from( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\twarn( 'Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nlet _textureId = 0;\n\nconst _tempVec3 = /*@__PURE__*/ new Vector3();\n\n/**\n * Base class for all textures.\n *\n * Note: After the initial use of a texture, its dimensions, format, and type\n * cannot be changed. Instead, call {@link Texture#dispose} on the texture and instantiate a new one.\n *\n * @augments EventDispatcher\n */\nclass Texture extends EventDispatcher {\n\n\t/**\n\t * Constructs a new texture.\n\t *\n\t * @param {?Object} [image=Texture.DEFAULT_IMAGE] - The image holding the texture data.\n\t * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping.\n\t * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.\n\t * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.\n\t * @param {number} [magFilter=LinearFilter] - The mag filter value.\n\t * @param {number} [minFilter=LinearMipmapLinearFilter] - The min filter value.\n\t * @param {number} [format=RGBAFormat] - The texture format.\n\t * @param {number} [type=UnsignedByteType] - The texture type.\n\t * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.\n\t * @param {string} [colorSpace=NoColorSpace] - The color space.\n\t */\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = Texture.DEFAULT_ANISOTROPY, colorSpace = NoColorSpace ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isTexture = true;\n\n\t\t/**\n\t\t * The ID of the texture.\n\t\t *\n\t\t * @name Texture#id\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tObject.defineProperty( this, 'id', { value: _textureId ++ } );\n\n\t\t/**\n\t\t * The UUID of the material.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t\t/**\n\t\t * The name of the material.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The data definition of a texture. A reference to the data source can be\n\t\t * shared across textures. This is often useful in context of spritesheets\n\t\t * where multiple textures render the same data but with different texture\n\t\t * transformations.\n\t\t *\n\t\t * @type {Source}\n\t\t */\n\t\tthis.source = new Source( image );\n\n\t\t/**\n\t\t * An array holding user-defined mipmaps.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.mipmaps = [];\n\n\t\t/**\n\t\t * How the texture is applied to the object. The value `UVMapping`\n\t\t * is the default, where texture or uv coordinates are used to apply the map.\n\t\t *\n\t\t * @type {(UVMapping|CubeReflectionMapping|CubeRefractionMapping|EquirectangularReflectionMapping|EquirectangularRefractionMapping|CubeUVReflectionMapping)}\n\t\t * @default UVMapping\n\t\t*/\n\t\tthis.mapping = mapping;\n\n\t\t/**\n\t\t * Lets you select the uv attribute to map the texture to. `0` for `uv`,\n\t\t * `1` for `uv1`, `2` for `uv2` and `3` for `uv3`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.channel = 0;\n\n\t\t/**\n\t\t * This defines how the texture is wrapped horizontally and corresponds to\n\t\t * *U* in UV mapping.\n\t\t *\n\t\t * @type {(RepeatWrapping|ClampToEdgeWrapping|MirroredRepeatWrapping)}\n\t\t * @default ClampToEdgeWrapping\n\t\t */\n\t\tthis.wrapS = wrapS;\n\n\t\t/**\n\t\t * This defines how the texture is wrapped horizontally and corresponds to\n\t\t * *V* in UV mapping.\n\t\t *\n\t\t * @type {(RepeatWrapping|ClampToEdgeWrapping|MirroredRepeatWrapping)}\n\t\t * @default ClampToEdgeWrapping\n\t\t */\n\t\tthis.wrapT = wrapT;\n\n\t\t/**\n\t\t * How the texture is sampled when a texel covers more than one pixel.\n\t\t *\n\t\t * @type {(NearestFilter|NearestMipmapNearestFilter|NearestMipmapLinearFilter|LinearFilter|LinearMipmapNearestFilter|LinearMipmapLinearFilter)}\n\t\t * @default LinearFilter\n\t\t */\n\t\tthis.magFilter = magFilter;\n\n\t\t/**\n\t\t * How the texture is sampled when a texel covers less than one pixel.\n\t\t *\n\t\t * @type {(NearestFilter|NearestMipmapNearestFilter|NearestMipmapLinearFilter|LinearFilter|LinearMipmapNearestFilter|LinearMipmapLinearFilter)}\n\t\t * @default LinearMipmapLinearFilter\n\t\t */\n\t\tthis.minFilter = minFilter;\n\n\t\t/**\n\t\t * The number of samples taken along the axis through the pixel that has the\n\t\t * highest density of texels. By default, this value is `1`. A higher value\n\t\t * gives a less blurry result than a basic mipmap, at the cost of more\n\t\t * texture samples being used.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.anisotropy = anisotropy;\n\n\t\t/**\n\t\t * The format of the texture.\n\t\t *\n\t\t * @type {number}\n\t\t * @default RGBAFormat\n\t\t */\n\t\tthis.format = format;\n\n\t\t/**\n\t\t * The default internal format is derived from {@link Texture#format} and {@link Texture#type} and\n\t\t * defines how the texture data is going to be stored on the GPU.\n\t\t *\n\t\t * This property allows to overwrite the default format.\n\t\t *\n\t\t * @type {?string}\n\t\t * @default null\n\t\t */\n\t\tthis.internalFormat = null;\n\n\t\t/**\n\t\t * The data type of the texture.\n\t\t *\n\t\t * @type {number}\n\t\t * @default UnsignedByteType\n\t\t */\n\t\tthis.type = type;\n\n\t\t/**\n\t\t * How much a single repetition of the texture is offset from the beginning,\n\t\t * in each direction U and V. Typical range is `0.0` to `1.0`.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (0,0)\n\t\t */\n\t\tthis.offset = new Vector2( 0, 0 );\n\n\t\t/**\n\t\t * How many times the texture is repeated across the surface, in each\n\t\t * direction U and V. If repeat is set greater than `1` in either direction,\n\t\t * the corresponding wrap parameter should also be set to `RepeatWrapping`\n\t\t * or `MirroredRepeatWrapping` to achieve the desired tiling effect.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (1,1)\n\t\t */\n\t\tthis.repeat = new Vector2( 1, 1 );\n\n\t\t/**\n\t\t * The point around which rotation occurs. A value of `(0.5, 0.5)` corresponds\n\t\t * to the center of the texture. Default is `(0, 0)`, the lower left.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (0,0)\n\t\t */\n\t\tthis.center = new Vector2( 0, 0 );\n\n\t\t/**\n\t\t * How much the texture is rotated around the center point, in radians.\n\t\t * Positive values are counter-clockwise.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.rotation = 0;\n\n\t\t/**\n\t\t * Whether to update the texture's uv-transformation {@link Texture#matrix}\n\t\t * from the properties {@link Texture#offset}, {@link Texture#repeat},\n\t\t * {@link Texture#rotation}, and {@link Texture#center}.\n\t\t *\n\t\t * Set this to `false` if you are specifying the uv-transform matrix directly.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.matrixAutoUpdate = true;\n\n\t\t/**\n\t\t * The uv-transformation matrix of the texture.\n\t\t *\n\t\t * @type {Matrix3}\n\t\t */\n\t\tthis.matrix = new Matrix3();\n\n\t\t/**\n\t\t * Whether to generate mipmaps (if possible) for a texture.\n\t\t *\n\t\t * Set this to `false` if you are creating mipmaps manually.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.generateMipmaps = true;\n\n\t\t/**\n\t\t * If set to `true`, the alpha channel, if present, is multiplied into the\n\t\t * color channels when the texture is uploaded to the GPU.\n\t\t *\n\t\t * Note that this property has no effect when using `ImageBitmap`. You need to\n\t\t * configure premultiply alpha on bitmap creation instead.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.premultiplyAlpha = false;\n\n\t\t/**\n\t\t * If set to `true`, the texture is flipped along the vertical axis when\n\t\t * uploaded to the GPU.\n\t\t *\n\t\t * Note that this property has no effect when using `ImageBitmap`. You need to\n\t\t * configure the flip on bitmap creation instead.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.flipY = true;\n\n\t\t/**\n\t\t * Specifies the alignment requirements for the start of each pixel row in memory.\n\t\t * The allowable values are `1` (byte-alignment), `2` (rows aligned to even-numbered bytes),\n\t\t * `4` (word-alignment), and `8` (rows start on double-word boundaries).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 4\n\t\t */\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\t/**\n\t\t * Textures containing color data should be annotated with `SRGBColorSpace` or `LinearSRGBColorSpace`.\n\t\t *\n\t\t * @type {string}\n\t\t * @default NoColorSpace\n\t\t */\n\t\tthis.colorSpace = colorSpace;\n\n\t\t/**\n\t\t * An object that can be used to store custom data about the texture. It\n\t\t * should not hold references to functions as these will not be cloned.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.userData = {};\n\n\t\t/**\n\t\t * This can be used to only update a subregion or specific rows of the texture (for example, just the\n\t\t * first 3 rows). Use the `addUpdateRange()` function to add ranges to this array.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.updateRanges = [];\n\n\t\t/**\n\t\t * This starts at `0` and counts how many times {@link Texture#needsUpdate} is set to `true`.\n\t\t *\n\t\t * @type {number}\n\t\t * @readonly\n\t\t * @default 0\n\t\t */\n\t\tthis.version = 0;\n\n\t\t/**\n\t\t * A callback function, called when the texture is updated (e.g., when\n\t\t * {@link Texture#needsUpdate} has been set to true and then the texture is used).\n\t\t *\n\t\t * @type {?Function}\n\t\t * @default null\n\t\t */\n\t\tthis.onUpdate = null;\n\n\t\t/**\n\t\t * An optional back reference to the textures render target.\n\t\t *\n\t\t * @type {?(RenderTarget|WebGLRenderTarget)}\n\t\t * @default null\n\t\t */\n\t\tthis.renderTarget = null;\n\n\t\t/**\n\t\t * Indicates whether a texture belongs to a render target or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default false\n\t\t */\n\t\tthis.isRenderTargetTexture = false;\n\n\t\t/**\n\t\t * Indicates if a texture should be handled like a texture array.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default false\n\t\t */\n\t\tthis.isArrayTexture = image && image.depth && image.depth > 1 ? true : false;\n\n\t\t/**\n\t\t * Indicates whether this texture should be processed by `PMREMGenerator` or not\n\t\t * (only relevant for render target textures).\n\t\t *\n\t\t * @type {number}\n\t\t * @readonly\n\t\t * @default 0\n\t\t */\n\t\tthis.pmremVersion = 0;\n\n\t}\n\n\t/**\n\t * The width of the texture in pixels.\n\t */\n\tget width() {\n\n\t\treturn this.source.getSize( _tempVec3 ).x;\n\n\t}\n\n\t/**\n\t * The height of the texture in pixels.\n\t */\n\tget height() {\n\n\t\treturn this.source.getSize( _tempVec3 ).y;\n\n\t}\n\n\t/**\n\t * The depth of the texture in pixels.\n\t */\n\tget depth() {\n\n\t\treturn this.source.getSize( _tempVec3 ).z;\n\n\t}\n\n\t/**\n\t * The image object holding the texture data.\n\t *\n\t * @type {?Object}\n\t */\n\tget image() {\n\n\t\treturn this.source.data;\n\n\t}\n\n\tset image( value = null ) {\n\n\t\tthis.source.data = value;\n\n\t}\n\n\t/**\n\t * Updates the texture transformation matrix from the from the properties {@link Texture#offset},\n\t * {@link Texture#repeat}, {@link Texture#rotation}, and {@link Texture#center}.\n\t */\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\t/**\n\t * Adds a range of data in the data texture to be updated on the GPU.\n\t *\n\t * @param {number} start - Position at which to start update.\n\t * @param {number} count - The number of components to update.\n\t */\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\t/**\n\t * Clears the update ranges.\n\t */\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\t/**\n\t * Returns a new texture with copied values from this instance.\n\t *\n\t * @return {Texture} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Copies the values of the given texture to this instance.\n\t *\n\t * @param {Texture} source - The texture to copy.\n\t * @return {Texture} A reference to this instance.\n\t */\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.source = source.source;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\t\tthis.channel = source.channel;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.colorSpace = source.colorSpace;\n\n\t\tthis.renderTarget = source.renderTarget;\n\t\tthis.isRenderTargetTexture = source.isRenderTargetTexture;\n\t\tthis.isArrayTexture = source.isArrayTexture;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tthis.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this texture's properties based on `values`.\n\t * @param {Object} values - A container with texture parameters.\n\t */\n\tsetValues( values ) {\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\twarn( `Texture.setValues(): parameter '${ key }' has value of undefined.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\twarn( `Texture.setValues(): property '${ key }' does not exist.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( ( currentValue && newValue ) && ( currentValue.isVector2 && newValue.isVector2 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else if ( ( currentValue && newValue ) && ( currentValue.isVector3 && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else if ( ( currentValue && newValue ) && ( currentValue.isMatrix3 && newValue.isMatrix3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Serializes the texture into JSON.\n\t *\n\t * @param {?(Object|string)} meta - An optional value holding meta information about the serialization.\n\t * @return {Object} A JSON object representing the serialized texture.\n\t * @see {@link ObjectLoader#parse}\n\t */\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.7,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\timage: this.source.toJSON( meta ).uuid,\n\n\t\t\tmapping: this.mapping,\n\t\t\tchannel: this.channel,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\tinternalFormat: this.internalFormat,\n\t\t\ttype: this.type,\n\t\t\tcolorSpace: this.colorSpace,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tgenerateMipmaps: this.generateMipmaps,\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( Object.keys( this.userData ).length > 0 ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t *\n\t * @fires Texture#dispose\n\t */\n\tdispose() {\n\n\t\t/**\n\t\t * Fires when the texture has been disposed of.\n\t\t *\n\t\t * @event Texture#dispose\n\t\t * @type {Object}\n\t\t */\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\t/**\n\t * Transforms the given uv vector with the textures uv transformation matrix.\n\t *\n\t * @param {Vector2} uv - The uv vector.\n\t * @return {Vector2} The transformed uv vector.\n\t */\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\t/**\n\t * Setting this property to `true` indicates the engine the texture\n\t * must be updated in the next render. This triggers a texture upload\n\t * to the GPU and ensures correct texture parameter configuration.\n\t *\n\t * @type {boolean}\n\t * @default false\n\t * @param {boolean} value\n\t */\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.version ++;\n\t\t\tthis.source.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Setting this property to `true` indicates the engine the PMREM\n\t * must be regenerated.\n\t *\n\t * @type {boolean}\n\t * @default false\n\t * @param {boolean} value\n\t */\n\tset needsPMREMUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.pmremVersion ++;\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * The default image for all textures.\n *\n * @static\n * @type {?Image}\n * @default null\n */\nTexture.DEFAULT_IMAGE = null;\n\n/**\n * The default mapping for all textures.\n *\n * @static\n * @type {number}\n * @default UVMapping\n */\nTexture.DEFAULT_MAPPING = UVMapping;\n\n/**\n * The default anisotropy value for all textures.\n *\n * @static\n * @type {number}\n * @default 1\n */\nTexture.DEFAULT_ANISOTROPY = 1;\n\n/**\n * Class representing a 4D vector. A 4D vector is an ordered quadruplet of numbers\n * (labeled x, y, z and w), which can be used to represent a number of things, such as:\n *\n * - A point in 4D space.\n * - A direction and length in 4D space. In three.js the length will\n * always be the Euclidean distance(straight-line distance) from `(0, 0, 0, 0)` to `(x, y, z, w)`\n * and the direction is also measured from `(0, 0, 0, 0)` towards `(x, y, z, w)`.\n * - Any arbitrary ordered quadruplet of numbers.\n *\n * There are other things a 4D vector can be used to represent, however these\n * are the most common uses in *three.js*.\n *\n * Iterating through a vector instance will yield its components `(x, y, z, w)` in\n * the corresponding order.\n * ```js\n * const a = new THREE.Vector4( 0, 1, 0, 0 );\n *\n * //no arguments; will be initialised to (0, 0, 0, 1)\n * const b = new THREE.Vector4( );\n *\n * const d = a.dot( b );\n * ```\n */\nclass Vector4 {\n\n\t/**\n\t * Constructs a new 4D vector.\n\t *\n\t * @param {number} [x=0] - The x value of this vector.\n\t * @param {number} [y=0] - The y value of this vector.\n\t * @param {number} [z=0] - The z value of this vector.\n\t * @param {number} [w=1] - The w value of this vector.\n\t */\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tVector4.prototype.isVector4 = true;\n\n\t\t/**\n\t\t * The x value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.x = x;\n\n\t\t/**\n\t\t * The y value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.y = y;\n\n\t\t/**\n\t\t * The z value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.z = z;\n\n\t\t/**\n\t\t * The w value of this vector.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.w = w;\n\n\t}\n\n\t/**\n\t * Alias for {@link Vector4#z}.\n\t *\n\t * @type {number}\n\t */\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\t/**\n\t * Alias for {@link Vector4#w}.\n\t *\n\t * @type {number}\n\t */\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\t/**\n\t * Sets the vector components.\n\t *\n\t * @param {number} x - The value of the x component.\n\t * @param {number} y - The value of the y component.\n\t * @param {number} z - The value of the z component.\n\t * @param {number} w - The value of the w component.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components to the same value.\n\t *\n\t * @param {number} scalar - The value to set for all vector components.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's x component to the given value\n\t *\n\t * @param {number} x - The value to set.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's y component to the given value\n\t *\n\t * @param {number} y - The value to set.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's z component to the given value\n\t *\n\t * @param {number} z - The value to set.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector's w component to the given value\n\t *\n\t * @param {number} w - The value to set.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Allows to set a vector component with an index.\n\t *\n\t * @param {number} index - The component index. `0` equals to x, `1` equals to y,\n\t * `2` equals to z, `3` equals to w.\n\t * @param {number} value - The value to set.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the value of the vector component which matches the given index.\n\t *\n\t * @param {number} index - The component index. `0` equals to x, `1` equals to y,\n\t * `2` equals to z, `3` equals to w.\n\t * @return {number} A vector component value.\n\t */\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns a new vector with copied values from this instance.\n\t *\n\t * @return {Vector4} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\t/**\n\t * Copies the values of the given vector to this instance.\n\t *\n\t * @param {Vector3|Vector4} v - The vector to copy.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vector to this instance.\n\t *\n\t * @param {Vector4} v - The vector to add.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given scalar value to all components of this instance.\n\t *\n\t * @param {number} s - The scalar to add.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vectors and stores the result in this instance.\n\t *\n\t * @param {Vector4} a - The first vector.\n\t * @param {Vector4} b - The second vector.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given vector scaled by the given factor to this instance.\n\t *\n\t * @param {Vector4} v - The vector.\n\t * @param {number} s - The factor that scales `v`.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given vector from this instance.\n\t *\n\t * @param {Vector4} v - The vector to subtract.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given scalar value from all components of this instance.\n\t *\n\t * @param {number} s - The scalar to subtract.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the given vectors and stores the result in this instance.\n\t *\n\t * @param {Vector4} a - The first vector.\n\t * @param {Vector4} b - The second vector.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the given vector with this instance.\n\t *\n\t * @param {Vector4} v - The vector to multiply.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the given scalar value with all components of this instance.\n\t *\n\t * @param {number} scalar - The scalar to multiply.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies this vector with the given 4x4 matrix.\n\t *\n\t * @param {Matrix4} m - The 4x4 matrix.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Divides this instance by the given vector.\n\t *\n\t * @param {Vector4} v - The vector to divide.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\t\tthis.w /= v.w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Divides this vector by the given scalar.\n\t *\n\t * @param {number} scalar - The scalar to divide.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\t/**\n\t * Sets the x, y and z components of this\n\t * vector to the quaternion's axis and w to the angle.\n\t *\n\t * @param {Quaternion} q - The Quaternion to set.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the x, y and z components of this\n\t * vector to the axis of rotation and w to the angle.\n\t *\n\t * @param {Matrix4} m - A 4x4 matrix of which the upper left 3x3 matrix is a pure rotation matrix.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the vector components to the position elements of the\n\t * given transformation matrix.\n\t *\n\t * @param {Matrix4} m - The 4x4 matrix.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\t\tthis.w = e[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x, y, z or w value is greater than the given vector's x, y, z or w\n\t * value, replace that value with the corresponding min value.\n\t *\n\t * @param {Vector4} v - The vector.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x, y, z or w value is less than the given vector's x, y, z or w\n\t * value, replace that value with the corresponding max value.\n\t *\n\t * @param {Vector4} v - The vector.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x, y, z or w value is greater than the max vector's x, y, z or w\n\t * value, it is replaced by the corresponding value.\n\t * If this vector's x, y, z or w value is less than the min vector's x, y, z or w value,\n\t * it is replaced by the corresponding value.\n\t *\n\t * @param {Vector4} min - The minimum x, y and z values.\n\t * @param {Vector4} max - The maximum x, y and z values in the desired range.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\t\tthis.z = clamp( this.z, min.z, max.z );\n\t\tthis.w = clamp( this.w, min.w, max.w );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's x, y, z or w values are greater than the max value, they are\n\t * replaced by the max value.\n\t * If this vector's x, y, z or w values are less than the min value, they are\n\t * replaced by the min value.\n\t *\n\t * @param {number} minVal - The minimum value the components will be clamped to.\n\t * @param {number} maxVal - The maximum value the components will be clamped to.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\t\tthis.z = clamp( this.z, minVal, maxVal );\n\t\tthis.w = clamp( this.w, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * If this vector's length is greater than the max value, it is replaced by\n\t * the max value.\n\t * If this vector's length is less than the min value, it is replaced by the\n\t * min value.\n\t *\n\t * @param {number} min - The minimum value the vector length will be clamped to.\n\t * @param {number} max - The maximum value the vector length will be clamped to.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded down to the nearest integer value.\n\t *\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded up to the nearest integer value.\n\t *\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded to the nearest integer value\n\t *\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The components of this vector are rounded towards zero (up if negative,\n\t * down if positive) to an integer value.\n\t *\n\t * @return {Vector4} A reference to this vector.\n\t */\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\t\tthis.z = Math.trunc( this.z );\n\t\tthis.w = Math.trunc( this.w );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Inverts this vector - i.e. sets x = -x, y = -y, z = -z, w = -w.\n\t *\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Calculates the dot product of the given vector with this instance.\n\t *\n\t * @param {Vector4} v - The vector to compute the dot product with.\n\t * @return {number} The result of the dot product.\n\t */\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\t/**\n\t * Computes the square of the Euclidean length (straight-line length) from\n\t * (0, 0, 0, 0) to (x, y, z, w). If you are comparing the lengths of vectors, you should\n\t * compare the length squared instead as it is slightly more efficient to calculate.\n\t *\n\t * @return {number} The square length of this vector.\n\t */\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\t/**\n\t * Computes the Euclidean length (straight-line length) from (0, 0, 0, 0) to (x, y, z, w).\n\t *\n\t * @return {number} The length of this vector.\n\t */\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\t/**\n\t * Computes the Manhattan length of this vector.\n\t *\n\t * @return {number} The length of this vector.\n\t */\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\t/**\n\t * Converts this vector to a unit vector - that is, sets it equal to a vector\n\t * with the same direction as this one, but with a vector length of `1`.\n\t *\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\t/**\n\t * Sets this vector to a vector with the same direction as this one, but\n\t * with the specified length.\n\t *\n\t * @param {number} length - The new length of this vector.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\t/**\n\t * Linearly interpolates between the given vector and this instance, where\n\t * alpha is the percent distance along the line - alpha = 0 will be this\n\t * vector, and alpha = 1 will be the given one.\n\t *\n\t * @param {Vector4} v - The vector to interpolate towards.\n\t * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Linearly interpolates between the given vectors, where alpha is the percent\n\t * distance along the line - alpha = 0 will be first vector, and alpha = 1 will\n\t * be the second one. The result is stored in this instance.\n\t *\n\t * @param {Vector4} v1 - The first vector.\n\t * @param {Vector4} v2 - The second vector.\n\t * @param {number} alpha - The interpolation factor, typically in the closed interval `[0, 1]`.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this vector is equal with the given one.\n\t *\n\t * @param {Vector4} v - The vector to test for equality.\n\t * @return {boolean} Whether this vector is equal with the given one.\n\t */\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\t/**\n\t * Sets this vector's x value to be `array[ offset ]`, y value to be `array[ offset + 1 ]`,\n\t * z value to be `array[ offset + 2 ]`, w value to be `array[ offset + 3 ]`.\n\t *\n\t * @param {Array} array - An array holding the vector component values.\n\t * @param {number} [offset=0] - The offset into the array.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Writes the components of this vector to the given array. If no array is provided,\n\t * the method returns a new instance.\n\t *\n\t * @param {Array} [array=[]] - The target array holding the vector components.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Array} The vector components.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\t/**\n\t * Sets the components of this vector from the given buffer attribute.\n\t *\n\t * @param {BufferAttribute} attribute - The buffer attribute holding vector data.\n\t * @param {number} index - The index into the attribute.\n\t * @return {Vector4} A reference to this vector.\n\t */\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets each component of this vector to a pseudo-random value between `0` and\n\t * `1`, excluding `1`.\n\t *\n\t * @return {Vector4} A reference to this vector.\n\t */\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\n/**\n * A render target is a buffer where the video card draws pixels for a scene\n * that is being rendered in the background. It is used in different effects,\n * such as applying postprocessing to a rendered image before displaying it\n * on the screen.\n *\n * @augments EventDispatcher\n */\nclass RenderTarget extends EventDispatcher {\n\n\t/**\n\t * Render target options.\n\t *\n\t * @typedef {Object} RenderTarget~Options\n\t * @property {boolean} [generateMipmaps=false] - Whether to generate mipmaps or not.\n\t * @property {number} [magFilter=LinearFilter] - The mag filter.\n\t * @property {number} [minFilter=LinearFilter] - The min filter.\n\t * @property {number} [format=RGBAFormat] - The texture format.\n\t * @property {number} [type=UnsignedByteType] - The texture type.\n\t * @property {?string} [internalFormat=null] - The texture's internal format.\n\t * @property {number} [wrapS=ClampToEdgeWrapping] - The texture's uv wrapping mode.\n\t * @property {number} [wrapT=ClampToEdgeWrapping] - The texture's uv wrapping mode.\n\t * @property {number} [anisotropy=1] - The texture's anisotropy value.\n\t * @property {string} [colorSpace=NoColorSpace] - The texture's color space.\n\t * @property {boolean} [depthBuffer=true] - Whether to allocate a depth buffer or not.\n\t * @property {boolean} [stencilBuffer=false] - Whether to allocate a stencil buffer or not.\n\t * @property {boolean} [resolveDepthBuffer=true] - Whether to resolve the depth buffer or not.\n\t * @property {boolean} [resolveStencilBuffer=true] - Whether to resolve the stencil buffer or not.\n\t * @property {?Texture} [depthTexture=null] - Reference to a depth texture.\n\t * @property {number} [samples=0] - The MSAA samples count.\n\t * @property {number} [count=1] - Defines the number of color attachments . Must be at least `1`.\n\t * @property {number} [depth=1] - The texture depth.\n\t * @property {boolean} [multiview=false] - Whether this target is used for multiview rendering.\n\t */\n\n\t/**\n\t * Constructs a new render target.\n\t *\n\t * @param {number} [width=1] - The width of the render target.\n\t * @param {number} [height=1] - The height of the render target.\n\t * @param {RenderTarget~Options} [options] - The configuration object.\n\t */\n\tconstructor( width = 1, height = 1, options = {} ) {\n\n\t\tsuper();\n\n\t\toptions = Object.assign( {\n\t\t\tgenerateMipmaps: false,\n\t\t\tinternalFormat: null,\n\t\t\tminFilter: LinearFilter,\n\t\t\tdepthBuffer: true,\n\t\t\tstencilBuffer: false,\n\t\t\tresolveDepthBuffer: true,\n\t\t\tresolveStencilBuffer: true,\n\t\t\tdepthTexture: null,\n\t\t\tsamples: 0,\n\t\t\tcount: 1,\n\t\t\tdepth: 1,\n\t\t\tmultiview: false\n\t\t}, options );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isRenderTarget = true;\n\n\t\t/**\n\t\t * The width of the render target.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.width = width;\n\n\t\t/**\n\t\t * The height of the render target.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.height = height;\n\n\t\t/**\n\t\t * The depth of the render target.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.depth = options.depth;\n\n\t\t/**\n\t\t * A rectangular area inside the render target's viewport. Fragments that are\n\t\t * outside the area will be discarded.\n\t\t *\n\t\t * @type {Vector4}\n\t\t * @default (0,0,width,height)\n\t\t */\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\n\t\t/**\n\t\t * Indicates whether the scissor test should be enabled when rendering into\n\t\t * this render target or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.scissorTest = false;\n\n\t\t/**\n\t\t * A rectangular area representing the render target's viewport.\n\t\t *\n\t\t * @type {Vector4}\n\t\t * @default (0,0,width,height)\n\t\t */\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tconst image = { width: width, height: height, depth: options.depth };\n\n\t\tconst texture = new Texture( image );\n\n\t\t/**\n\t\t * An array of textures. Each color attachment is represented as a separate texture.\n\t\t * Has at least a single entry for the default color attachment.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.textures = [];\n\n\t\tconst count = options.count;\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.textures[ i ] = texture.clone();\n\t\t\tthis.textures[ i ].isRenderTargetTexture = true;\n\t\t\tthis.textures[ i ].renderTarget = this;\n\n\t\t}\n\n\t\tthis._setTextureOptions( options );\n\n\t\t/**\n\t\t * Whether to allocate a depth buffer or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.depthBuffer = options.depthBuffer;\n\n\t\t/**\n\t\t * Whether to allocate a stencil buffer or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.stencilBuffer = options.stencilBuffer;\n\n\t\t/**\n\t\t * Whether to resolve the depth buffer or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.resolveDepthBuffer = options.resolveDepthBuffer;\n\n\t\t/**\n\t\t * Whether to resolve the stencil buffer or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.resolveStencilBuffer = options.resolveStencilBuffer;\n\n\t\tthis._depthTexture = null;\n\t\tthis.depthTexture = options.depthTexture;\n\n\t\t/**\n\t\t * The number of MSAA samples.\n\t\t *\n\t\t * A value of `0` disables MSAA.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.samples = options.samples;\n\n\t\t/**\n\t\t * Whether to this target is used in multiview rendering.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.multiview = options.multiview;\n\n\t}\n\n\t_setTextureOptions( options = {} ) {\n\n\t\tconst values = {\n\t\t\tminFilter: LinearFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\tflipY: false,\n\t\t\tinternalFormat: null\n\t\t};\n\n\t\tif ( options.mapping !== undefined ) values.mapping = options.mapping;\n\t\tif ( options.wrapS !== undefined ) values.wrapS = options.wrapS;\n\t\tif ( options.wrapT !== undefined ) values.wrapT = options.wrapT;\n\t\tif ( options.wrapR !== undefined ) values.wrapR = options.wrapR;\n\t\tif ( options.magFilter !== undefined ) values.magFilter = options.magFilter;\n\t\tif ( options.minFilter !== undefined ) values.minFilter = options.minFilter;\n\t\tif ( options.format !== undefined ) values.format = options.format;\n\t\tif ( options.type !== undefined ) values.type = options.type;\n\t\tif ( options.anisotropy !== undefined ) values.anisotropy = options.anisotropy;\n\t\tif ( options.colorSpace !== undefined ) values.colorSpace = options.colorSpace;\n\t\tif ( options.flipY !== undefined ) values.flipY = options.flipY;\n\t\tif ( options.generateMipmaps !== undefined ) values.generateMipmaps = options.generateMipmaps;\n\t\tif ( options.internalFormat !== undefined ) values.internalFormat = options.internalFormat;\n\n\t\tfor ( let i = 0; i < this.textures.length; i ++ ) {\n\n\t\t\tconst texture = this.textures[ i ];\n\t\t\ttexture.setValues( values );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * The texture representing the default color attachment.\n\t *\n\t * @type {Texture}\n\t */\n\tget texture() {\n\n\t\treturn this.textures[ 0 ];\n\n\t}\n\n\tset texture( value ) {\n\n\t\tthis.textures[ 0 ] = value;\n\n\t}\n\n\tset depthTexture( current ) {\n\n\t\tif ( this._depthTexture !== null ) this._depthTexture.renderTarget = null;\n\t\tif ( current !== null ) current.renderTarget = this;\n\n\t\tthis._depthTexture = current;\n\n\t}\n\n\t/**\n\t * Instead of saving the depth in a renderbuffer, a texture\n\t * can be used instead which is useful for further processing\n\t * e.g. in context of post-processing.\n\t *\n\t * @type {?DepthTexture}\n\t * @default null\n\t */\n\tget depthTexture() {\n\n\t\treturn this._depthTexture;\n\n\t}\n\n\t/**\n\t * Sets the size of this render target.\n\t *\n\t * @param {number} width - The width.\n\t * @param {number} height - The height.\n\t * @param {number} [depth=1] - The depth.\n\t */\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.textures.length; i < il; i ++ ) {\n\n\t\t\t\tthis.textures[ i ].image.width = width;\n\t\t\t\tthis.textures[ i ].image.height = height;\n\t\t\t\tthis.textures[ i ].image.depth = depth;\n\n\t\t\t\tif ( this.textures[ i ].isData3DTexture !== true ) { // Fix for #31693\n\n\t\t\t\t\t// TODO: Reconsider setting isArrayTexture flag here and in the ctor of Texture.\n\t\t\t\t\t// Maybe a method `isArrayTexture()` or just a getter could replace a flag since\n\t\t\t\t\t// both are evaluated on each call?\n\n\t\t\t\t\tthis.textures[ i ].isArrayTexture = this.textures[ i ].image.depth > 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\t/**\n\t * Returns a new render target with copied values from this instance.\n\t *\n\t * @return {RenderTarget} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Copies the settings of the given render target. This is a structural copy so\n\t * no resources are shared between render targets after the copy. That includes\n\t * all MRT textures and the depth texture.\n\t *\n\t * @param {RenderTarget} source - The render target to copy.\n\t * @return {RenderTarget} A reference to this instance.\n\t */\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.scissor.copy( source.scissor );\n\t\tthis.scissorTest = source.scissorTest;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.textures.length = 0;\n\n\t\tfor ( let i = 0, il = source.textures.length; i < il; i ++ ) {\n\n\t\t\tthis.textures[ i ] = source.textures[ i ].clone();\n\t\t\tthis.textures[ i ].isRenderTargetTexture = true;\n\t\t\tthis.textures[ i ].renderTarget = this;\n\n\t\t\t// ensure image object is not shared, see #20328\n\n\t\t\tconst image = Object.assign( {}, source.textures[ i ].image );\n\t\t\tthis.textures[ i ].source = new Source( image );\n\n\t\t}\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\n\t\tthis.resolveDepthBuffer = source.resolveDepthBuffer;\n\t\tthis.resolveStencilBuffer = source.resolveStencilBuffer;\n\n\t\tif ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone();\n\n\t\tthis.samples = source.samples;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t *\n\t * @fires RenderTarget#dispose\n\t */\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\n/**\n * A render target used in context of {@link WebGLRenderer}.\n *\n * @augments RenderTarget\n */\nclass WebGLRenderTarget extends RenderTarget {\n\n\t/**\n\t * Constructs a new 3D render target.\n\t *\n\t * @param {number} [width=1] - The width of the render target.\n\t * @param {number} [height=1] - The height of the render target.\n\t * @param {RenderTarget~Options} [options] - The configuration object.\n\t */\n\tconstructor( width = 1, height = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isWebGLRenderTarget = true;\n\n\t}\n\n}\n\n/**\n * Creates an array of textures directly from raw buffer data.\n *\n * @augments Texture\n */\nclass DataArrayTexture extends Texture {\n\n\t/**\n\t * Constructs a new data array texture.\n\t *\n\t * @param {?TypedArray} [data=null] - The buffer data.\n\t * @param {number} [width=1] - The width of the texture.\n\t * @param {number} [height=1] - The height of the texture.\n\t * @param {number} [depth=1] - The depth of the texture.\n\t */\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isDataArrayTexture = true;\n\n\t\t/**\n\t\t * The image definition of a data texture.\n\t\t *\n\t\t * @type {{data:TypedArray,width:number,height:number,depth:number}}\n\t\t */\n\t\tthis.image = { data, width, height, depth };\n\n\t\t/**\n\t\t * How the texture is sampled when a texel covers more than one pixel.\n\t\t *\n\t\t * Overwritten and set to `NearestFilter` by default.\n\t\t *\n\t\t * @type {(NearestFilter|NearestMipmapNearestFilter|NearestMipmapLinearFilter|LinearFilter|LinearMipmapNearestFilter|LinearMipmapLinearFilter)}\n\t\t * @default NearestFilter\n\t\t */\n\t\tthis.magFilter = NearestFilter;\n\n\t\t/**\n\t\t * How the texture is sampled when a texel covers less than one pixel.\n\t\t *\n\t\t * Overwritten and set to `NearestFilter` by default.\n\t\t *\n\t\t * @type {(NearestFilter|NearestMipmapNearestFilter|NearestMipmapLinearFilter|LinearFilter|LinearMipmapNearestFilter|LinearMipmapLinearFilter)}\n\t\t * @default NearestFilter\n\t\t */\n\t\tthis.minFilter = NearestFilter;\n\n\t\t/**\n\t\t * This defines how the texture is wrapped in the depth and corresponds to\n\t\t * *W* in UVW mapping.\n\t\t *\n\t\t * @type {(RepeatWrapping|ClampToEdgeWrapping|MirroredRepeatWrapping)}\n\t\t * @default ClampToEdgeWrapping\n\t\t */\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\t/**\n\t\t * Whether to generate mipmaps (if possible) for a texture.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.generateMipmaps = false;\n\n\t\t/**\n\t\t * If set to `true`, the texture is flipped along the vertical axis when\n\t\t * uploaded to the GPU.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flipY = false;\n\n\t\t/**\n\t\t * Specifies the alignment requirements for the start of each pixel row in memory.\n\t\t *\n\t\t * Overwritten and set to `1` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default 1\n\t\t */\n\t\tthis.unpackAlignment = 1;\n\n\t\t/**\n\t\t * A set of all layers which need to be updated in the texture.\n\t\t *\n\t\t * @type {Set}\n\t\t */\n\t\tthis.layerUpdates = new Set();\n\n\t}\n\n\t/**\n\t * Describes that a specific layer of the texture needs to be updated.\n\t * Normally when {@link Texture#needsUpdate} is set to `true`, the\n\t * entire data texture array is sent to the GPU. Marking specific\n\t * layers will only transmit subsets of all mipmaps associated with a\n\t * specific depth in the array which is often much more performant.\n\t *\n\t * @param {number} layerIndex - The layer index that should be updated.\n\t */\n\taddLayerUpdate( layerIndex ) {\n\n\t\tthis.layerUpdates.add( layerIndex );\n\n\t}\n\n\t/**\n\t * Resets the layer updates registry.\n\t */\n\tclearLayerUpdates() {\n\n\t\tthis.layerUpdates.clear();\n\n\t}\n\n}\n\n/**\n * An array render target used in context of {@link WebGLRenderer}.\n *\n * @augments WebGLRenderTarget\n */\nclass WebGLArrayRenderTarget extends WebGLRenderTarget {\n\n\t/**\n\t * Constructs a new array render target.\n\t *\n\t * @param {number} [width=1] - The width of the render target.\n\t * @param {number} [height=1] - The height of the render target.\n\t * @param {number} [depth=1] - The height of the render target.\n\t * @param {RenderTarget~Options} [options] - The configuration object.\n\t */\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isWebGLArrayRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\t/**\n\t\t * Overwritten with a different texture type.\n\t\t *\n\t\t * @type {DataArrayTexture}\n\t\t */\n\t\tthis.texture = new DataArrayTexture( null, width, height, depth );\n\t\tthis._setTextureOptions( options );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\n/**\n * Creates a three-dimensional texture from raw data, with parameters to\n * divide it into width, height, and depth.\n *\n * @augments Texture\n */\nclass Data3DTexture extends Texture {\n\n\t/**\n\t * Constructs a new data array texture.\n\t *\n\t * @param {?TypedArray} [data=null] - The buffer data.\n\t * @param {number} [width=1] - The width of the texture.\n\t * @param {number} [height=1] - The height of the texture.\n\t * @param {number} [depth=1] - The depth of the texture.\n\t */\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in Data3DTexture directly.\n\t\t//\n\t\t//\tconst texture = new THREE.Data3DTexture( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isData3DTexture = true;\n\n\t\t/**\n\t\t * The image definition of a data texture.\n\t\t *\n\t\t * @type {{data:TypedArray,width:number,height:number,depth:number}}\n\t\t */\n\t\tthis.image = { data, width, height, depth };\n\n\t\t/**\n\t\t * How the texture is sampled when a texel covers more than one pixel.\n\t\t *\n\t\t * Overwritten and set to `NearestFilter` by default.\n\t\t *\n\t\t * @type {(NearestFilter|NearestMipmapNearestFilter|NearestMipmapLinearFilter|LinearFilter|LinearMipmapNearestFilter|LinearMipmapLinearFilter)}\n\t\t * @default NearestFilter\n\t\t */\n\t\tthis.magFilter = NearestFilter;\n\n\t\t/**\n\t\t * How the texture is sampled when a texel covers less than one pixel.\n\t\t *\n\t\t * Overwritten and set to `NearestFilter` by default.\n\t\t *\n\t\t * @type {(NearestFilter|NearestMipmapNearestFilter|NearestMipmapLinearFilter|LinearFilter|LinearMipmapNearestFilter|LinearMipmapLinearFilter)}\n\t\t * @default NearestFilter\n\t\t */\n\t\tthis.minFilter = NearestFilter;\n\n\t\t/**\n\t\t * This defines how the texture is wrapped in the depth and corresponds to\n\t\t * *W* in UVW mapping.\n\t\t *\n\t\t * @type {(RepeatWrapping|ClampToEdgeWrapping|MirroredRepeatWrapping)}\n\t\t * @default ClampToEdgeWrapping\n\t\t */\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\t/**\n\t\t * Whether to generate mipmaps (if possible) for a texture.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.generateMipmaps = false;\n\n\t\t/**\n\t\t * If set to `true`, the texture is flipped along the vertical axis when\n\t\t * uploaded to the GPU.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flipY = false;\n\n\t\t/**\n\t\t * Specifies the alignment requirements for the start of each pixel row in memory.\n\t\t *\n\t\t * Overwritten and set to `1` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default 1\n\t\t */\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\n/**\n * A 3D render target used in context of {@link WebGLRenderer}.\n *\n * @augments WebGLRenderTarget\n */\nclass WebGL3DRenderTarget extends WebGLRenderTarget {\n\n\t/**\n\t * Constructs a new 3D render target.\n\t *\n\t * @param {number} [width=1] - The width of the render target.\n\t * @param {number} [height=1] - The height of the render target.\n\t * @param {number} [depth=1] - The height of the render target.\n\t * @param {RenderTarget~Options} [options] - The configuration object.\n\t */\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isWebGL3DRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\t/**\n\t\t * Overwritten with a different texture type.\n\t\t *\n\t\t * @type {Data3DTexture}\n\t\t */\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\t\tthis._setTextureOptions( options );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\n/**\n * Represents an axis-aligned bounding box (AABB) in 3D space.\n */\nclass Box3 {\n\n\t/**\n\t * Constructs a new bounding box.\n\t *\n\t * @param {Vector3} [min=(Infinity,Infinity,Infinity)] - A vector representing the lower boundary of the box.\n\t * @param {Vector3} [max=(-Infinity,-Infinity,-Infinity)] - A vector representing the upper boundary of the box.\n\t */\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isBox3 = true;\n\n\t\t/**\n\t\t * The lower boundary of the box.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.min = min;\n\n\t\t/**\n\t\t * The upper boundary of the box.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.max = max;\n\n\t}\n\n\t/**\n\t * Sets the lower and upper boundaries of this box.\n\t * Please note that this method only copies the values from the given objects.\n\t *\n\t * @param {Vector3} min - The lower boundary of the box.\n\t * @param {Vector3} max - The upper boundary of the box.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the upper and lower bounds of this box so it encloses the position data\n\t * in the given array.\n\t *\n\t * @param {Array} array - An array holding 3D position data.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tsetFromArray( array ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\tthis.expandByPoint( _vector$b.fromArray( array, i ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the upper and lower bounds of this box so it encloses the position data\n\t * in the given buffer attribute.\n\t *\n\t * @param {BufferAttribute} attribute - A buffer attribute holding 3D position data.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = attribute.count; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( _vector$b.fromBufferAttribute( attribute, i ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the upper and lower bounds of this box so it encloses the position data\n\t * in the given array.\n\t *\n\t * @param {Array} points - An array holding 3D position data as instances of {@link Vector3}.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Centers this box on the given center vector and sets this box's width, height and\n\t * depth to the given size values.\n\t *\n\t * @param {Vector3} center - The center of the box.\n\t * @param {Vector3} size - The x, y and z dimensions of the box.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes the world-axis-aligned bounding box for the given 3D object\n\t * (including its children), accounting for the object's, and children's,\n\t * world transforms. The function may result in a larger box than strictly necessary.\n\t *\n\t * @param {Object3D} object - The 3D object to compute the bounding box for.\n\t * @param {boolean} [precise=false] - If set to `true`, the method computes the smallest\n\t * world-axis-aligned bounding box at the expense of more computation.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tsetFromObject( object, precise = false ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object, precise );\n\n\t}\n\n\t/**\n\t * Returns a new box with copied values from this instance.\n\t *\n\t * @return {Box3} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Copies the values of the given box to this instance.\n\t *\n\t * @param {Box3} box - The box to copy.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Makes this box empty which means in encloses a zero space in 3D.\n\t *\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns true if this box includes zero points within its bounds.\n\t * Note that a box with equal lower and upper bounds still includes one\n\t * point, the one both bounds share.\n\t *\n\t * @return {boolean} Whether this box is empty or not.\n\t */\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\t/**\n\t * Returns the center point of this box.\n\t *\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The center point.\n\t */\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\t/**\n\t * Returns the dimensions of this box.\n\t *\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The size.\n\t */\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\t/**\n\t * Expands the boundaries of this box to include the given point.\n\t *\n\t * @param {Vector3} point - The point that should be included by the bounding box.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Expands this box equilaterally by the given vector. The width of this\n\t * box will be expanded by the x component of the vector in both\n\t * directions. The height of this box will be expanded by the y component of\n\t * the vector in both directions. The depth of this box will be\n\t * expanded by the z component of the vector in both directions.\n\t *\n\t * @param {Vector3} vector - The vector that should expand the bounding box.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Expands each dimension of the box by the given scalar. If negative, the\n\t * dimensions of the box will be contracted.\n\t *\n\t * @param {number} scalar - The scalar value that should expand the bounding box.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Expands the boundaries of this box to include the given 3D object and\n\t * its children, accounting for the object's, and children's, world\n\t * transforms. The function may result in a larger box than strictly\n\t * necessary (unless the precise parameter is set to true).\n\t *\n\t * @param {Object3D} object - The 3D object that should expand the bounding box.\n\t * @param {boolean} precise - If set to `true`, the method expands the bounding box\n\t * as little as necessary at the expense of more computation.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\texpandByObject( object, precise = false ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\t\t// precise AABB computation based on vertex data requires at least a position attribute.\n\t\t\t// instancing isn't supported so far and uses the normal (conservative) code path.\n\n\t\t\tif ( precise === true && positionAttribute !== undefined && object.isInstancedMesh !== true ) {\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\tif ( object.isMesh === true ) {\n\n\t\t\t\t\t\tobject.getVertexPosition( i, _vector$b );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_vector$b.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_vector$b.applyMatrix4( object.matrixWorld );\n\t\t\t\t\tthis.expandByPoint( _vector$b );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( object.boundingBox !== undefined ) {\n\n\t\t\t\t\t// object-level bounding box\n\n\t\t\t\t\tif ( object.boundingBox === null ) {\n\n\t\t\t\t\t\tobject.computeBoundingBox();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_box$4.copy( object.boundingBox );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// geometry-level bounding box\n\n\t\t\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_box$4.copy( geometry.boundingBox );\n\n\t\t\t\t}\n\n\t\t\t\t_box$4.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tthis.union( _box$4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ], precise );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if the given point lies within or on the boundaries of this box.\n\t *\n\t * @param {Vector3} point - The point to test.\n\t * @return {boolean} Whether the bounding box contains the given point or not.\n\t */\n\tcontainsPoint( point ) {\n\n\t\treturn point.x >= this.min.x && point.x <= this.max.x &&\n\t\t\tpoint.y >= this.min.y && point.y <= this.max.y &&\n\t\t\tpoint.z >= this.min.z && point.z <= this.max.z;\n\n\t}\n\n\t/**\n\t * Returns `true` if this bounding box includes the entirety of the given bounding box.\n\t * If this box and the given one are identical, this function also returns `true`.\n\t *\n\t * @param {Box3} box - The bounding box to test.\n\t * @return {boolean} Whether the bounding box contains the given bounding box or not.\n\t */\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\t/**\n\t * Returns a point as a proportion of this box's width, height and depth.\n\t *\n\t * @param {Vector3} point - A point in 3D space.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} A point as a proportion of this box's width, height and depth.\n\t */\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding box intersects with this bounding box.\n\t *\n\t * @param {Box3} box - The bounding box to test.\n\t * @return {boolean} Whether the given bounding box intersects with this bounding box.\n\t */\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x >= this.min.x && box.min.x <= this.max.x &&\n\t\t\tbox.max.y >= this.min.y && box.min.y <= this.max.y &&\n\t\t\tbox.max.z >= this.min.z && box.min.z <= this.max.z;\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding sphere intersects with this bounding box.\n\t *\n\t * @param {Sphere} sphere - The bounding sphere to test.\n\t * @return {boolean} Whether the given bounding sphere intersects with this bounding box.\n\t */\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given plane intersects with this bounding box.\n\t *\n\t * @param {Plane} plane - The plane to test.\n\t * @return {boolean} Whether the given plane intersects with this bounding box.\n\t */\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given triangle intersects with this bounding box.\n\t *\n\t * @param {Triangle} triangle - The triangle to test.\n\t * @return {boolean} Whether the given triangle intersects with this bounding box.\n\t */\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$4.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$4, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$4 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents );\n\n\t}\n\n\t/**\n\t * Clamps the given point within the bounds of this box.\n\t *\n\t * @param {Vector3} point - The point to clamp.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The clamped point.\n\t */\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\t/**\n\t * Returns the euclidean distance from any edge of this box to the specified point. If\n\t * the given point lies inside of this box, the distance will be `0`.\n\t *\n\t * @param {Vector3} point - The point to compute the distance to.\n\t * @return {number} The euclidean distance.\n\t */\n\tdistanceToPoint( point ) {\n\n\t\treturn this.clampPoint( point, _vector$b ).distanceTo( point );\n\n\t}\n\n\t/**\n\t * Returns a bounding sphere that encloses this bounding box.\n\t *\n\t * @param {Sphere} target - The target sphere that is used to store the method's result.\n\t * @return {Sphere} The bounding sphere that encloses this bounding box.\n\t */\n\tgetBoundingSphere( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\ttarget.makeEmpty();\n\n\t\t} else {\n\n\t\t\tthis.getCenter( target.center );\n\n\t\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Computes the intersection of this bounding box and the given one, setting the upper\n\t * bound of this box to the lesser of the two boxes' upper bounds and the\n\t * lower bound of this box to the greater of the two boxes' lower bounds. If\n\t * there's no overlap, makes this box empty.\n\t *\n\t * @param {Box3} box - The bounding box to intersect with.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes the union of this box and another and the given one, setting the upper\n\t * bound of this box to the greater of the two boxes' upper bounds and the\n\t * lower bound of this box to the lesser of the two boxes' lower bounds.\n\t *\n\t * @param {Box3} box - The bounding box that will be unioned with this instance.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Transforms this bounding box by the given 4x4 transformation matrix.\n\t *\n\t * @param {Matrix4} matrix - The transformation matrix.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given offset to both the upper and lower bounds of this bounding box,\n\t * effectively moving it in 3D space.\n\t *\n\t * @param {Vector3} offset - The offset that should be used to translate the bounding box.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this bounding box is equal with the given one.\n\t *\n\t * @param {Box3} box - The box to test for equality.\n\t * @return {boolean} Whether this bounding box is equal with the given one.\n\t */\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n\t/**\n\t * Returns a serialized structure of the bounding box.\n\t *\n\t * @return {Object} Serialized structure with fields representing the object state.\n\t */\n\ttoJSON() {\n\n\t\treturn {\n\t\t\tmin: this.min.toArray(),\n\t\t\tmax: this.max.toArray()\n\t\t};\n\n\t}\n\n\t/**\n\t * Returns a serialized structure of the bounding box.\n\t *\n\t * @param {Object} json - The serialized json to set the box from.\n\t * @return {Box3} A reference to this bounding box.\n\t */\n\tfromJSON( json ) {\n\n\t\tthis.min.fromArray( json.min );\n\t\tthis.max.fromArray( json.max );\n\t\treturn this;\n\n\t}\n\n}\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$4 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$4 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the separating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the separating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is separating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$3 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\n/**\n * An analytical 3D sphere defined by a center and radius. This class is mainly\n * used as a Bounding Sphere for 3D objects.\n */\nclass Sphere {\n\n\t/**\n\t * Constructs a new sphere.\n\t *\n\t * @param {Vector3} [center=(0,0,0)] - The center of the sphere\n\t * @param {number} [radius=-1] - The radius of the sphere.\n\t */\n\tconstructor( center = new Vector3(), radius = -1 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSphere = true;\n\n\t\t/**\n\t\t * The center of the sphere\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.center = center;\n\n\t\t/**\n\t\t * The radius of the sphere.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.radius = radius;\n\n\t}\n\n\t/**\n\t * Sets the sphere's components by copying the given values.\n\t *\n\t * @param {Vector3} center - The center.\n\t * @param {number} radius - The radius.\n\t * @return {Sphere} A reference to this sphere.\n\t */\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes the minimum bounding sphere for list of points.\n\t * If the optional center point is given, it is used as the sphere's\n\t * center. Otherwise, the center of the axis-aligned bounding box\n\t * encompassing the points is calculated.\n\t *\n\t * @param {Array} points - A list of points in 3D space.\n\t * @param {Vector3} [optionalCenter] - The center of the sphere.\n\t * @return {Sphere} A reference to this sphere.\n\t */\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$3.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the values of the given sphere to this instance.\n\t *\n\t * @param {Sphere} sphere - The sphere to copy.\n\t * @return {Sphere} A reference to this sphere.\n\t */\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if the sphere is empty (the radius set to a negative number).\n\t *\n\t * Spheres with a radius of `0` contain only their center point and are not\n\t * considered to be empty.\n\t *\n\t * @return {boolean} Whether this sphere is empty or not.\n\t */\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\t/**\n\t * Makes this sphere empty which means in encloses a zero space in 3D.\n\t *\n\t * @return {Sphere} A reference to this sphere.\n\t */\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = -1;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this sphere contains the given point inclusive of\n\t * the surface of the sphere.\n\t *\n\t * @param {Vector3} point - The point to check.\n\t * @return {boolean} Whether this sphere contains the given point or not.\n\t */\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\t/**\n\t * Returns the closest distance from the boundary of the sphere to the\n\t * given point. If the sphere contains the point, the distance will\n\t * be negative.\n\t *\n\t * @param {Vector3} point - The point to compute the distance to.\n\t * @return {number} The distance to the point.\n\t */\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\t/**\n\t * Returns `true` if this sphere intersects with the given one.\n\t *\n\t * @param {Sphere} sphere - The sphere to test.\n\t * @return {boolean} Whether this sphere intersects with the given one or not.\n\t */\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\t/**\n\t * Returns `true` if this sphere intersects with the given box.\n\t *\n\t * @param {Box3} box - The box to test.\n\t * @return {boolean} Whether this sphere intersects with the given box or not.\n\t */\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\t/**\n\t * Returns `true` if this sphere intersects with the given plane.\n\t *\n\t * @param {Plane} plane - The plane to test.\n\t * @return {boolean} Whether this sphere intersects with the given plane or not.\n\t */\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\t/**\n\t * Clamps a point within the sphere. If the point is outside the sphere, it\n\t * will clamp it to the closest point on the edge of the sphere. Points\n\t * already inside the sphere will not be affected.\n\t *\n\t * @param {Vector3} point - The plane to clamp.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The clamped point.\n\t */\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Returns a bounding box that encloses this sphere.\n\t *\n\t * @param {Box3} target - The target box that is used to store the method's result.\n\t * @return {Box3} The bounding box that encloses this sphere.\n\t */\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Transforms this sphere with the given 4x4 transformation matrix.\n\t *\n\t * @param {Matrix4} matrix - The transformation matrix.\n\t * @return {Sphere} A reference to this sphere.\n\t */\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Translates the sphere's center by the given offset.\n\t *\n\t * @param {Vector3} offset - The offset.\n\t * @return {Sphere} A reference to this sphere.\n\t */\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Expands the boundaries of this sphere to include the given point.\n\t *\n\t * @param {Vector3} point - The point to include.\n\t * @return {Sphere} A reference to this sphere.\n\t */\n\texpandByPoint( point ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\tthis.center.copy( point );\n\n\t\t\tthis.radius = 0;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\t_v1$6.subVectors( point, this.center );\n\n\t\tconst lengthSq = _v1$6.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t// calculate the minimal sphere\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\n\t\t\tconst delta = ( length - this.radius ) * 0.5;\n\n\t\t\tthis.center.addScaledVector( _v1$6, delta / length );\n\n\t\t\tthis.radius += delta;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Expands this sphere to enclose both the original sphere and the given sphere.\n\t *\n\t * @param {Sphere} sphere - The sphere to include.\n\t * @return {Sphere} A reference to this sphere.\n\t */\n\tunion( sphere ) {\n\n\t\tif ( sphere.isEmpty() ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\tthis.copy( sphere );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( this.center.equals( sphere.center ) === true ) {\n\n\t\t\t this.radius = Math.max( this.radius, sphere.radius );\n\n\t\t} else {\n\n\t\t\t_v2$3.subVectors( sphere.center, this.center ).setLength( sphere.radius );\n\n\t\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _v2$3 ) );\n\n\t\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _v2$3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this sphere is equal with the given one.\n\t *\n\t * @param {Sphere} sphere - The sphere to test for equality.\n\t * @return {boolean} Whether this bounding sphere is equal with the given one.\n\t */\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\t/**\n\t * Returns a new sphere with copied values from this instance.\n\t *\n\t * @return {Sphere} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Returns a serialized structure of the bounding sphere.\n\t *\n\t * @return {Object} Serialized structure with fields representing the object state.\n\t */\n\ttoJSON() {\n\n\t\treturn {\n\t\t\tradius: this.radius,\n\t\t\tcenter: this.center.toArray()\n\t\t};\n\n\t}\n\n\t/**\n\t * Returns a serialized structure of the bounding sphere.\n\t *\n\t * @param {Object} json - The serialized json to set the sphere from.\n\t * @return {Box3} A reference to this bounding sphere.\n\t */\n\tfromJSON( json ) {\n\n\t\tthis.radius = json.radius;\n\t\tthis.center.fromArray( json.center );\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\n/**\n * A ray that emits from an origin in a certain direction. The class is used by\n * {@link Raycaster} to assist with raycasting. Raycasting is used for\n * mouse picking (working out what objects in the 3D space the mouse is over)\n * amongst other things.\n */\nclass Ray {\n\n\t/**\n\t * Constructs a new ray.\n\t *\n\t * @param {Vector3} [origin=(0,0,0)] - The origin of the ray.\n\t * @param {Vector3} [direction=(0,0,-1)] - The (normalized) direction of the ray.\n\t */\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, -1 ) ) {\n\n\t\t/**\n\t\t * The origin of the ray.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.origin = origin;\n\n\t\t/**\n\t\t * The (normalized) direction of the ray.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.direction = direction;\n\n\t}\n\n\t/**\n\t * Sets the ray's components by copying the given values.\n\t *\n\t * @param {Vector3} origin - The origin.\n\t * @param {Vector3} direction - The direction.\n\t * @return {Ray} A reference to this ray.\n\t */\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the values of the given ray to this instance.\n\t *\n\t * @param {Ray} ray - The ray to copy.\n\t * @return {Ray} A reference to this ray.\n\t */\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a vector that is located at a given distance along this ray.\n\t *\n\t * @param {number} t - The distance along the ray to retrieve a position for.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} A position on the ray.\n\t */\n\tat( t, target ) {\n\n\t\treturn target.copy( this.origin ).addScaledVector( this.direction, t );\n\n\t}\n\n\t/**\n\t * Adjusts the direction of the ray to point at the given vector in world space.\n\t *\n\t * @param {Vector3} v - The target position.\n\t * @return {Ray} A reference to this ray.\n\t */\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Shift the origin of this ray along its direction by the given distance.\n\t *\n\t * @param {number} t - The distance along the ray to interpolate.\n\t * @return {Ray} A reference to this ray.\n\t */\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the point along this ray that is closest to the given point.\n\t *\n\t * @param {Vector3} point - A point in 3D space to get the closet location on the ray for.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The closest point on this ray.\n\t */\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.origin ).addScaledVector( this.direction, directionDistance );\n\n\t}\n\n\t/**\n\t * Returns the distance of the closest approach between this ray and the given point.\n\t *\n\t * @param {Vector3} point - A point in 3D space to compute the distance to.\n\t * @return {number} The distance.\n\t */\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\t/**\n\t * Returns the squared distance of the closest approach between this ray and the given point.\n\t *\n\t * @param {Vector3} point - A point in 3D space to compute the distance to.\n\t * @return {number} The squared distance.\n\t */\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.origin ).addScaledVector( this.direction, directionDistance );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\t/**\n\t * Returns the squared distance between this ray and the given line segment.\n\t *\n\t * @param {Vector3} v0 - The start point of the line segment.\n\t * @param {Vector3} v1 - The end point of the line segment.\n\t * @param {Vector3} [optionalPointOnRay] - When provided, it receives the point on this ray that is closest to the segment.\n\t * @param {Vector3} [optionalPointOnSegment] - When provided, it receives the point on the line segment that is closest to this ray.\n\t * @return {number} The squared distance.\n\t */\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.origin ).addScaledVector( this.direction, s0 );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segCenter ).addScaledVector( _segDir, s1 );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\t/**\n\t * Intersects this ray with the given sphere, returning the intersection\n\t * point or `null` if there is no intersection.\n\t *\n\t * @param {Sphere} sphere - The sphere to intersect.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The intersection point.\n\t */\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if t1 is behind the ray - if so, return null\n\t\tif ( t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\t/**\n\t * Returns `true` if this ray intersects with the given sphere.\n\t *\n\t * @param {Sphere} sphere - The sphere to intersect.\n\t * @return {boolean} Whether this ray intersects with the given sphere or not.\n\t */\n\tintersectsSphere( sphere ) {\n\n\t\tif ( sphere.radius < 0 ) return false; // handle empty spheres, see #31187\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\t/**\n\t * Computes the distance from the ray's origin to the given plane. Returns `null` if the ray\n\t * does not intersect with the plane.\n\t *\n\t * @param {Plane} plane - The plane to compute the distance to.\n\t * @return {?number} Whether this ray intersects with the given sphere or not.\n\t */\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\t/**\n\t * Intersects this ray with the given plane, returning the intersection\n\t * point or `null` if there is no intersection.\n\t *\n\t * @param {Plane} plane - The plane to intersect.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The intersection point.\n\t */\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\t/**\n\t * Returns `true` if this ray intersects with the given plane.\n\t *\n\t * @param {Plane} plane - The plane to intersect.\n\t * @return {boolean} Whether this ray intersects with the given plane or not.\n\t */\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\t/**\n\t * Intersects this ray with the given bounding box, returning the intersection\n\t * point or `null` if there is no intersection.\n\t *\n\t * @param {Box3} box - The box to intersect.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The intersection point.\n\t */\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\tif ( tymin > tmin || isNaN( tmin ) ) tmin = tymin;\n\n\t\tif ( tymax < tmax || isNaN( tmax ) ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\t/**\n\t * Returns `true` if this ray intersects with the given box.\n\t *\n\t * @param {Box3} box - The box to intersect.\n\t * @return {boolean} Whether this ray intersects with the given box or not.\n\t */\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\t/**\n\t * Intersects this ray with the given triangle, returning the intersection\n\t * point or `null` if there is no intersection.\n\t *\n\t * @param {Vector3} a - The first vertex of the triangle.\n\t * @param {Vector3} b - The second vertex of the triangle.\n\t * @param {Vector3} c - The third vertex of the triangle.\n\t * @param {boolean} backfaceCulling - Whether to use backface culling or not.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The intersection point.\n\t */\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = -1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\t/**\n\t * Transforms this ray with the given 4x4 transformation matrix.\n\t *\n\t * @param {Matrix4} matrix4 - The transformation matrix.\n\t * @return {Ray} A reference to this ray.\n\t */\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this ray is equal with the given one.\n\t *\n\t * @param {Ray} ray - The ray to test for equality.\n\t * @return {boolean} Whether this ray is equal with the given one.\n\t */\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\t/**\n\t * Returns a new ray with copied values from this instance.\n\t *\n\t * @return {Ray} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Represents a 4x4 matrix.\n *\n * The most common use of a 4x4 matrix in 3D computer graphics is as a transformation matrix.\n * For an introduction to transformation matrices as used in WebGL, check out [this tutorial](https://www.opengl-tutorial.org/beginners-tutorials/tutorial-3-matrices)\n *\n * This allows a 3D vector representing a point in 3D space to undergo\n * transformations such as translation, rotation, shear, scale, reflection,\n * orthogonal or perspective projection and so on, by being multiplied by the\n * matrix. This is known as `applying` the matrix to the vector.\n *\n * A Note on Row-Major and Column-Major Ordering:\n *\n * The constructor and {@link Matrix3#set} method take arguments in\n * [row-major](https://en.wikipedia.org/wiki/Row-_and_column-major_order#Column-major_order)\n * order, while internally they are stored in the {@link Matrix3#elements} array in column-major order.\n * This means that calling:\n * ```js\n * const m = new THREE.Matrix4();\n * m.set( 11, 12, 13, 14,\n * 21, 22, 23, 24,\n * 31, 32, 33, 34,\n * 41, 42, 43, 44 );\n * ```\n * will result in the elements array containing:\n * ```js\n * m.elements = [ 11, 21, 31, 41,\n * 12, 22, 32, 42,\n * 13, 23, 33, 43,\n * 14, 24, 34, 44 ];\n * ```\n * and internally all calculations are performed using column-major ordering.\n * However, as the actual ordering makes no difference mathematically and\n * most people are used to thinking about matrices in row-major order, the\n * three.js documentation shows matrices in row-major order. Just bear in\n * mind that if you are reading the source code, you'll have to take the\n * transpose of any matrices outlined here to make sense of the calculations.\n */\nclass Matrix4 {\n\n\t/**\n\t * Constructs a new 4x4 matrix. The arguments are supposed to be\n\t * in row-major order. If no arguments are provided, the constructor\n\t * initializes the matrix as an identity matrix.\n\t *\n\t * @param {number} [n11] - 1-1 matrix element.\n\t * @param {number} [n12] - 1-2 matrix element.\n\t * @param {number} [n13] - 1-3 matrix element.\n\t * @param {number} [n14] - 1-4 matrix element.\n\t * @param {number} [n21] - 2-1 matrix element.\n\t * @param {number} [n22] - 2-2 matrix element.\n\t * @param {number} [n23] - 2-3 matrix element.\n\t * @param {number} [n24] - 2-4 matrix element.\n\t * @param {number} [n31] - 3-1 matrix element.\n\t * @param {number} [n32] - 3-2 matrix element.\n\t * @param {number} [n33] - 3-3 matrix element.\n\t * @param {number} [n34] - 3-4 matrix element.\n\t * @param {number} [n41] - 4-1 matrix element.\n\t * @param {number} [n42] - 4-2 matrix element.\n\t * @param {number} [n43] - 4-3 matrix element.\n\t * @param {number} [n44] - 4-4 matrix element.\n\t */\n\tconstructor( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tMatrix4.prototype.isMatrix4 = true;\n\n\t\t/**\n\t\t * A column-major list of matrix values.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Sets the elements of the matrix.The arguments are supposed to be\n\t * in row-major order.\n\t *\n\t * @param {number} [n11] - 1-1 matrix element.\n\t * @param {number} [n12] - 1-2 matrix element.\n\t * @param {number} [n13] - 1-3 matrix element.\n\t * @param {number} [n14] - 1-4 matrix element.\n\t * @param {number} [n21] - 2-1 matrix element.\n\t * @param {number} [n22] - 2-2 matrix element.\n\t * @param {number} [n23] - 2-3 matrix element.\n\t * @param {number} [n24] - 2-4 matrix element.\n\t * @param {number} [n31] - 3-1 matrix element.\n\t * @param {number} [n32] - 3-2 matrix element.\n\t * @param {number} [n33] - 3-3 matrix element.\n\t * @param {number} [n34] - 3-4 matrix element.\n\t * @param {number} [n41] - 4-1 matrix element.\n\t * @param {number} [n42] - 4-2 matrix element.\n\t * @param {number} [n43] - 4-3 matrix element.\n\t * @param {number} [n44] - 4-4 matrix element.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix to the 4x4 identity matrix.\n\t *\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a matrix with copied values from this instance.\n\t *\n\t * @return {Matrix4} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\t/**\n\t * Copies the values of the given matrix to this instance.\n\t *\n\t * @param {Matrix4} m - The matrix to copy.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the translation component of the given matrix\n\t * into this matrix's translation component.\n\t *\n\t * @param {Matrix4} m - The matrix to copy the translation component.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Set the upper 3x3 elements of this matrix to the values of given 3x3 matrix.\n\t *\n\t * @param {Matrix3} m - The 3x3 matrix.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Extracts the basis of this matrix into the three axis vectors provided.\n\t *\n\t * @param {Vector3} xAxis - The basis's x axis.\n\t * @param {Vector3} yAxis - The basis's y axis.\n\t * @param {Vector3} zAxis - The basis's z axis.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given basis vectors to this matrix.\n\t *\n\t * @param {Vector3} xAxis - The basis's x axis.\n\t * @param {Vector3} yAxis - The basis's y axis.\n\t * @param {Vector3} zAxis - The basis's z axis.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Extracts the rotation component of the given matrix\n\t * into this matrix's rotation component.\n\t *\n\t * Note: This method does not support reflection matrices.\n\t *\n\t * @param {Matrix4} m - The matrix.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\textractRotation( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the rotation component (the upper left 3x3 matrix) of this matrix to\n\t * the rotation specified by the given Euler angles. The rest of\n\t * the matrix is set to the identity. Depending on the {@link Euler#order},\n\t * there are six possible outcomes. See [this page](https://en.wikipedia.org/wiki/Euler_angles#Rotation_matrix)\n\t * for a complete list.\n\t *\n\t * @param {Euler} euler - The Euler angles.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeRotationFromEuler( euler ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the rotation component of this matrix to the rotation specified by\n\t * the given Quaternion as outlined [here](https://en.wikipedia.org/wiki/Rotation_matrix#Quaternion)\n\t * The rest of the matrix is set to the identity.\n\t *\n\t * @param {Quaternion} q - The Quaternion.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\t/**\n\t * Sets the rotation component of the transformation matrix, looking from `eye` towards\n\t * `target`, and oriented by the up-direction.\n\t *\n\t * @param {Vector3} eye - The eye vector.\n\t * @param {Vector3} target - The target vector.\n\t * @param {Vector3} up - The up vector.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Post-multiplies this matrix by the given 4x4 matrix.\n\t *\n\t * @param {Matrix4} m - The matrix to multiply with.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\t/**\n\t * Pre-multiplies this matrix by the given 4x4 matrix.\n\t *\n\t * @param {Matrix4} m - The matrix to multiply with.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\t/**\n\t * Multiples the given 4x4 matrices and stores the result\n\t * in this matrix.\n\t *\n\t * @param {Matrix4} a - The first matrix.\n\t * @param {Matrix4} b - The second matrix.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies every component of the matrix by the given scalar.\n\t *\n\t * @param {number} s - The scalar.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes and returns the determinant of this matrix.\n\t *\n\t * Based on the method outlined [here](http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.html).\n\t *\n\t * @return {number} The determinant.\n\t */\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\t/**\n\t * Transposes this matrix in place.\n\t *\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the position component for this matrix from the given vector,\n\t * without affecting the rest of the matrix.\n\t *\n\t * @param {number|Vector3} x - The x component of the vector or alternatively the vector object.\n\t * @param {number} y - The y component of the vector.\n\t * @param {number} z - The z component of the vector.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Inverts this matrix, using the [analytic method](https://en.wikipedia.org/wiki/Invertible_matrix#Analytic_solution).\n\t * You can not invert with a determinant of zero. If you attempt this, the method produces\n\t * a zero matrix instead.\n\t *\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the columns of this matrix by the given vector.\n\t *\n\t * @param {Vector3} v - The scale vector.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Gets the maximum scale value of the three axes.\n\t *\n\t * @return {number} The maximum scale.\n\t */\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\t/**\n\t * Sets this matrix as a translation transform from the given vector.\n\t *\n\t * @param {number|Vector3} x - The amount to translate in the X axis or alternatively a translation vector.\n\t * @param {number} y - The amount to translate in the Y axis.\n\t * @param {number} z - The amount to translate in the z axis.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeTranslation( x, y, z ) {\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x.x,\n\t\t\t\t0, 1, 0, x.y,\n\t\t\t\t0, 0, 1, x.z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix as a rotational transformation around the X axis by\n\t * the given angle.\n\t *\n\t * @param {number} theta - The rotation in radians.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix as a rotational transformation around the Y axis by\n\t * the given angle.\n\t *\n\t * @param {number} theta - The rotation in radians.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix as a rotational transformation around the Z axis by\n\t * the given angle.\n\t *\n\t * @param {number} theta - The rotation in radians.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix as a rotational transformation around the given axis by\n\t * the given angle.\n\t *\n\t * This is a somewhat controversial but mathematically sound alternative to\n\t * rotating via Quaternions. See the discussion [here](https://www.gamedev.net/articles/programming/math-and-physics/do-we-really-need-quaternions-r1199).\n\t *\n\t * @param {Vector3} axis - The normalized rotation axis.\n\t * @param {number} angle - The rotation in radians.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix as a scale transformation.\n\t *\n\t * @param {number} x - The amount to scale in the X axis.\n\t * @param {number} y - The amount to scale in the Y axis.\n\t * @param {number} z - The amount to scale in the Z axis.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix as a shear transformation.\n\t *\n\t * @param {number} xy - The amount to shear X by Y.\n\t * @param {number} xz - The amount to shear X by Z.\n\t * @param {number} yx - The amount to shear Y by X.\n\t * @param {number} yz - The amount to shear Y by Z.\n\t * @param {number} zx - The amount to shear Z by X.\n\t * @param {number} zy - The amount to shear Z by Y.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this matrix to the transformation composed of the given position,\n\t * rotation (Quaternion) and scale.\n\t *\n\t * @param {Vector3} position - The position vector.\n\t * @param {Quaternion} quaternion - The rotation as a Quaternion.\n\t * @param {Vector3} scale - The scale vector.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Decomposes this matrix into its position, rotation and scale components\n\t * and provides the result in the given objects.\n\t *\n\t * Note: Not all matrices are decomposable in this way. For example, if an\n\t * object has a non-uniformly scaled parent, then the object's world matrix\n\t * may not be decomposable, and this method may not be appropriate.\n\t *\n\t * @param {Vector3} position - The position vector.\n\t * @param {Quaternion} quaternion - The rotation as a Quaternion.\n\t * @param {Vector3} scale - The scale vector.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Creates a perspective projection matrix. This is used internally by\n\t * {@link PerspectiveCamera#updateProjectionMatrix}.\n\n\t * @param {number} left - Left boundary of the viewing frustum at the near plane.\n\t * @param {number} right - Right boundary of the viewing frustum at the near plane.\n\t * @param {number} top - Top boundary of the viewing frustum at the near plane.\n\t * @param {number} bottom - Bottom boundary of the viewing frustum at the near plane.\n\t * @param {number} near - The distance from the camera to the near plane.\n\t * @param {number} far - The distance from the camera to the far plane.\n\t * @param {(WebGLCoordinateSystem|WebGPUCoordinateSystem)} [coordinateSystem=WebGLCoordinateSystem] - The coordinate system.\n\t * @param {boolean} [reversedDepth=false] - Whether to use a reversed depth.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakePerspective( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem, reversedDepth = false ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\n\t\tlet c, d;\n\n\t\tif ( reversedDepth ) {\n\n\t\t\tc = near / ( far - near );\n\t\t\td = ( far * near ) / ( far - near );\n\n\t\t} else {\n\n\t\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\t\tc = - ( far + near ) / ( far - near );\n\t\t\t\td = ( -2 * far * near ) / ( far - near );\n\n\t\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\t\tc = - far / ( far - near );\n\t\t\t\td = ( - far * near ) / ( far - near );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error( 'THREE.Matrix4.makePerspective(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t\t}\n\n\t\t}\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a; \tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b; \tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c; \tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = -1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Creates a orthographic projection matrix. This is used internally by\n\t * {@link OrthographicCamera#updateProjectionMatrix}.\n\n\t * @param {number} left - Left boundary of the viewing frustum at the near plane.\n\t * @param {number} right - Right boundary of the viewing frustum at the near plane.\n\t * @param {number} top - Top boundary of the viewing frustum at the near plane.\n\t * @param {number} bottom - Bottom boundary of the viewing frustum at the near plane.\n\t * @param {number} near - The distance from the camera to the near plane.\n\t * @param {number} far - The distance from the camera to the far plane.\n\t * @param {(WebGLCoordinateSystem|WebGPUCoordinateSystem)} [coordinateSystem=WebGLCoordinateSystem] - The coordinate system.\n\t * @param {boolean} [reversedDepth=false] - Whether to use a reversed depth.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tmakeOrthographic( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem, reversedDepth = false ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = 2 / ( right - left );\n\t\tconst y = 2 / ( top - bottom );\n\n\t\tconst a = - ( right + left ) / ( right - left );\n\t\tconst b = - ( top + bottom ) / ( top - bottom );\n\n\t\tlet c, d;\n\n\t\tif ( reversedDepth ) {\n\n\t\t\tc = 1 / ( far - near );\n\t\t\td = far / ( far - near );\n\n\t\t} else {\n\n\t\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\t\tc = -2 / ( far - near );\n\t\t\t\td = - ( far + near ) / ( far - near );\n\n\t\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\t\tc = -1 / ( far - near );\n\t\t\t\td = - near / ( far - near );\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error( 'THREE.Matrix4.makeOrthographic(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t\t}\n\n\t\t}\n\n\t\tte[ 0 ] = x;\t\tte[ 4 ] = 0;\t\tte[ 8 ] = 0; \t\tte[ 12 ] = a;\n\t\tte[ 1 ] = 0; \t\tte[ 5 ] = y;\t\tte[ 9 ] = 0; \t\tte[ 13 ] = b;\n\t\tte[ 2 ] = 0; \t\tte[ 6 ] = 0;\t\tte[ 10 ] = c;\t\tte[ 14 ] = d;\n\t\tte[ 3 ] = 0; \t\tte[ 7 ] = 0;\t\tte[ 11 ] = 0;\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this matrix is equal with the given one.\n\t *\n\t * @param {Matrix4} matrix - The matrix to test for equality.\n\t * @return {boolean} Whether this matrix is equal with the given one.\n\t */\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\t/**\n\t * Sets the elements of the matrix from the given array.\n\t *\n\t * @param {Array} array - The matrix elements in column-major order.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Matrix4} A reference to this matrix.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Writes the elements of this matrix to the given array. If no array is provided,\n\t * the method returns a new instance.\n\t *\n\t * @param {Array} [array=[]] - The target array holding the matrix elements in column-major order.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Array} The matrix elements in column-major order.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$2 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\n/**\n * A class representing Euler angles.\n *\n * Euler angles describe a rotational transformation by rotating an object on\n * its various axes in specified amounts per axis, and a specified axis\n * order.\n *\n * Iterating through an instance will yield its components (x, y, z,\n * order) in the corresponding order.\n *\n * ```js\n * const a = new THREE.Euler( 0, 1, 1.57, 'XYZ' );\n * const b = new THREE.Vector3( 1, 0, 1 );\n * b.applyEuler(a);\n * ```\n */\nclass Euler {\n\n\t/**\n\t * Constructs a new euler instance.\n\t *\n\t * @param {number} [x=0] - The angle of the x axis in radians.\n\t * @param {number} [y=0] - The angle of the y axis in radians.\n\t * @param {number} [z=0] - The angle of the z axis in radians.\n\t * @param {string} [order=Euler.DEFAULT_ORDER] - A string representing the order that the rotations are applied.\n\t */\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DEFAULT_ORDER ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isEuler = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\t/**\n\t * The angle of the x axis in radians.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\t/**\n\t * The angle of the y axis in radians.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\t/**\n\t * The angle of the z axis in radians.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\t/**\n\t * A string representing the order that the rotations are applied.\n\t *\n\t * @type {string}\n\t * @default 'XYZ'\n\t */\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\t/**\n\t * Sets the Euler components.\n\t *\n\t * @param {number} x - The angle of the x axis in radians.\n\t * @param {number} y - The angle of the y axis in radians.\n\t * @param {number} z - The angle of the z axis in radians.\n\t * @param {string} [order] - A string representing the order that the rotations are applied.\n\t * @return {Euler} A reference to this Euler instance.\n\t */\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new Euler instance with copied values from this instance.\n\t *\n\t * @return {Euler} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\t/**\n\t * Copies the values of the given Euler instance to this instance.\n\t *\n\t * @param {Euler} euler - The Euler instance to copy.\n\t * @return {Euler} A reference to this Euler instance.\n\t */\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the angles of this Euler instance from a pure rotation matrix.\n\t *\n\t * @param {Matrix4} m - A 4x4 matrix of which the upper 3x3 of matrix is a pure rotation matrix (i.e. unscaled).\n\t * @param {string} [order] - A string representing the order that the rotations are applied.\n\t * @param {boolean} [update=true] - Whether the internal `onChange` callback should be executed or not.\n\t * @return {Euler} A reference to this Euler instance.\n\t */\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, -1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, -1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, -1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, -1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, -1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, -1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\twarn( 'Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the angles of this Euler instance from a normalized quaternion.\n\t *\n\t * @param {Quaternion} q - A normalized Quaternion.\n\t * @param {string} [order] - A string representing the order that the rotations are applied.\n\t * @param {boolean} [update=true] - Whether the internal `onChange` callback should be executed or not.\n\t * @return {Euler} A reference to this Euler instance.\n\t */\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$2.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$2, order, update );\n\n\t}\n\n\t/**\n\t * Sets the angles of this Euler instance from the given vector.\n\t *\n\t * @param {Vector3} v - The vector.\n\t * @param {string} [order] - A string representing the order that the rotations are applied.\n\t * @return {Euler} A reference to this Euler instance.\n\t */\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\t/**\n\t * Resets the euler angle with a new order by creating a quaternion from this\n\t * euler angle and then setting this euler angle with the quaternion and the\n\t * new order.\n\t *\n\t * Warning: This discards revolution information.\n\t *\n\t * @param {string} [newOrder] - A string representing the new order that the rotations are applied.\n\t * @return {Euler} A reference to this Euler instance.\n\t */\n\treorder( newOrder ) {\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\t/**\n\t * Returns `true` if this Euler instance is equal with the given one.\n\t *\n\t * @param {Euler} euler - The Euler instance to test for equality.\n\t * @return {boolean} Whether this Euler instance is equal with the given one.\n\t */\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\t/**\n\t * Sets this Euler instance's components to values from the given array. The first three\n\t * entries of the array are assign to the x,y and z components. An optional fourth entry\n\t * defines the Euler order.\n\t *\n\t * @param {Array} array - An array holding the Euler component values.\n\t * @return {Euler} A reference to this Euler instance.\n\t */\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Writes the components of this Euler instance to the given array. If no array is provided,\n\t * the method returns a new instance.\n\t *\n\t * @param {Array} [array=[]] - The target array holding the Euler components.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Array} The Euler components.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._order;\n\n\t}\n\n}\n\n/**\n * The default Euler angle order.\n *\n * @static\n * @type {string}\n * @default 'XYZ'\n */\nEuler.DEFAULT_ORDER = 'XYZ';\n\n/**\n * A layers object assigns an 3D object to 1 or more of 32\n * layers numbered `0` to `31` - internally the layers are stored as a\n * bit mask], and by default all 3D objects are a member of layer `0`.\n *\n * This can be used to control visibility - an object must share a layer with\n * a camera to be visible when that camera's view is\n * rendered.\n *\n * All classes that inherit from {@link Object3D} have an `layers` property which\n * is an instance of this class.\n */\nclass Layers {\n\n\t/**\n\t * Constructs a new layers instance, with membership\n\t * initially set to layer `0`.\n\t */\n\tconstructor() {\n\n\t\t/**\n\t\t * A bit mask storing which of the 32 layers this layers object is currently\n\t\t * a member of.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\t/**\n\t * Sets membership to the given layer, and remove membership all other layers.\n\t *\n\t * @param {number} layer - The layer to set.\n\t */\n\tset( layer ) {\n\n\t\tthis.mask = ( 1 << layer | 0 ) >>> 0;\n\n\t}\n\n\t/**\n\t * Adds membership of the given layer.\n\t *\n\t * @param {number} layer - The layer to enable.\n\t */\n\tenable( layer ) {\n\n\t\tthis.mask |= 1 << layer | 0;\n\n\t}\n\n\t/**\n\t * Adds membership to all layers.\n\t */\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\t/**\n\t * Toggles the membership of the given layer.\n\t *\n\t * @param {number} layer - The layer to toggle.\n\t */\n\ttoggle( layer ) {\n\n\t\tthis.mask ^= 1 << layer | 0;\n\n\t}\n\n\t/**\n\t * Removes membership of the given layer.\n\t *\n\t * @param {number} layer - The layer to enable.\n\t */\n\tdisable( layer ) {\n\n\t\tthis.mask &= ~ ( 1 << layer | 0 );\n\n\t}\n\n\t/**\n\t * Removes the membership from all layers.\n\t */\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\t/**\n\t * Returns `true` if this and the given layers object have at least one\n\t * layer in common.\n\t *\n\t * @param {Layers} layers - The layers to test.\n\t * @return {boolean } Whether this and the given layers object have at least one layer in common or not.\n\t */\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\t/**\n\t * Returns `true` if the given layer is enabled.\n\t *\n\t * @param {number} layer - The layer to test.\n\t * @return {boolean } Whether the given layer is enabled or not.\n\t */\n\tisEnabled( layer ) {\n\n\t\treturn ( this.mask & ( 1 << layer | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\n/**\n * Fires when the object has been added to its parent object.\n *\n * @event Object3D#added\n * @type {Object}\n */\nconst _addedEvent = { type: 'added' };\n\n/**\n * Fires when the object has been removed from its parent object.\n *\n * @event Object3D#removed\n * @type {Object}\n */\nconst _removedEvent = { type: 'removed' };\n\n/**\n * Fires when a new child object has been added.\n *\n * @event Object3D#childadded\n * @type {Object}\n */\nconst _childaddedEvent = { type: 'childadded', child: null };\n\n/**\n * Fires when a child object has been removed.\n *\n * @event Object3D#childremoved\n * @type {Object}\n */\nconst _childremovedEvent = { type: 'childremoved', child: null };\n\n/**\n * This is the base class for most objects in three.js and provides a set of\n * properties and methods for manipulating objects in 3D space.\n *\n * @augments EventDispatcher\n */\nclass Object3D extends EventDispatcher {\n\n\t/**\n\t * Constructs a new 3D object.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isObject3D = true;\n\n\t\t/**\n\t\t * The ID of the 3D object.\n\t\t *\n\t\t * @name Object3D#id\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\t/**\n\t\t * The UUID of the 3D object.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t\t/**\n\t\t * The name of the 3D object.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The type property is used for detecting the object type\n\t\t * in context of serialization/deserialization.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.type = 'Object3D';\n\n\t\t/**\n\t\t * A reference to the parent object.\n\t\t *\n\t\t * @type {?Object3D}\n\t\t * @default null\n\t\t */\n\t\tthis.parent = null;\n\n\t\t/**\n\t\t * An array holding the child 3D objects of this instance.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.children = [];\n\n\t\t/**\n\t\t * Defines the `up` direction of the 3D object which influences\n\t\t * the orientation via methods like {@link Object3D#lookAt}.\n\t\t *\n\t\t * The default values for all 3D objects is defined by `Object3D.DEFAULT_UP`.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.up = Object3D.DEFAULT_UP.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\t/**\n\t\t\t * Represents the object's local position.\n\t\t\t *\n\t\t\t * @name Object3D#position\n\t\t\t * @type {Vector3}\n\t\t\t * @default (0,0,0)\n\t\t\t */\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\t/**\n\t\t\t * Represents the object's local rotation as Euler angles, in radians.\n\t\t\t *\n\t\t\t * @name Object3D#rotation\n\t\t\t * @type {Euler}\n\t\t\t * @default (0,0,0)\n\t\t\t */\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\t/**\n\t\t\t * Represents the object's local rotation as Quaternions.\n\t\t\t *\n\t\t\t * @name Object3D#quaternion\n\t\t\t * @type {Quaternion}\n\t\t\t */\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\t/**\n\t\t\t * Represents the object's local scale.\n\t\t\t *\n\t\t\t * @name Object3D#scale\n\t\t\t * @type {Vector3}\n\t\t\t * @default (1,1,1)\n\t\t\t */\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\t/**\n\t\t\t * Represents the object's model-view matrix.\n\t\t\t *\n\t\t\t * @name Object3D#modelViewMatrix\n\t\t\t * @type {Matrix4}\n\t\t\t */\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\t/**\n\t\t\t * Represents the object's normal matrix.\n\t\t\t *\n\t\t\t * @name Object3D#normalMatrix\n\t\t\t * @type {Matrix3}\n\t\t\t */\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * Represents the object's transformation matrix in local space.\n\t\t *\n\t\t * @type {Matrix4}\n\t\t */\n\t\tthis.matrix = new Matrix4();\n\n\t\t/**\n\t\t * Represents the object's transformation matrix in world space.\n\t\t * If the 3D object has no parent, then it's identical to the local transformation matrix\n\t\t *\n\t\t * @type {Matrix4}\n\t\t */\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\t/**\n\t\t * When set to `true`, the engine automatically computes the local matrix from position,\n\t\t * rotation and scale every frame.\n\t\t *\n\t\t * The default values for all 3D objects is defined by `Object3D.DEFAULT_MATRIX_AUTO_UPDATE`.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.matrixAutoUpdate = Object3D.DEFAULT_MATRIX_AUTO_UPDATE;\n\n\t\t/**\n\t\t * When set to `true`, the engine automatically computes the world matrix from the current local\n\t\t * matrix and the object's transformation hierarchy.\n\t\t *\n\t\t * The default values for all 3D objects is defined by `Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE`.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.matrixWorldAutoUpdate = Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE; // checked by the renderer\n\n\t\t/**\n\t\t * When set to `true`, it calculates the world matrix in that frame and resets this property\n\t\t * to `false`.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t/**\n\t\t * The layer membership of the 3D object. The 3D object is only visible if it has\n\t\t * at least one layer in common with the camera in use. This property can also be\n\t\t * used to filter out unwanted objects in ray-intersection tests when using {@link Raycaster}.\n\t\t *\n\t\t * @type {Layers}\n\t\t */\n\t\tthis.layers = new Layers();\n\n\t\t/**\n\t\t * When set to `true`, the 3D object gets rendered.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.visible = true;\n\n\t\t/**\n\t\t * When set to `true`, the 3D object gets rendered into shadow maps.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.castShadow = false;\n\n\t\t/**\n\t\t * When set to `true`, the 3D object is affected by shadows in the scene.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.receiveShadow = false;\n\n\t\t/**\n\t\t * When set to `true`, the 3D object is honored by view frustum culling.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.frustumCulled = true;\n\n\t\t/**\n\t\t * This value allows the default rendering order of scene graph objects to be\n\t\t * overridden although opaque and transparent objects remain sorted independently.\n\t\t * When this property is set for an instance of {@link Group},all descendants\n\t\t * objects will be sorted and rendered together. Sorting is from lowest to highest\n\t\t * render order.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.renderOrder = 0;\n\n\t\t/**\n\t\t * An array holding the animation clips of the 3D object.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.animations = [];\n\n\t\t/**\n\t\t * Custom depth material to be used when rendering to the depth map. Can only be used\n\t\t * in context of meshes. When shadow-casting with a {@link DirectionalLight} or {@link SpotLight},\n\t\t * if you are modifying vertex positions in the vertex shader you must specify a custom depth\n\t\t * material for proper shadows.\n\t\t *\n\t\t * Only relevant in context of {@link WebGLRenderer}.\n\t\t *\n\t\t * @type {(Material|undefined)}\n\t\t * @default undefined\n\t\t */\n\t\tthis.customDepthMaterial = undefined;\n\n\t\t/**\n\t\t * Same as {@link Object3D#customDepthMaterial}, but used with {@link PointLight}.\n\t\t *\n\t\t * Only relevant in context of {@link WebGLRenderer}.\n\t\t *\n\t\t * @type {(Material|undefined)}\n\t\t * @default undefined\n\t\t */\n\t\tthis.customDistanceMaterial = undefined;\n\n\t\t/**\n\t\t * An object that can be used to store custom data about the 3D object. It\n\t\t * should not hold references to functions as these will not be cloned.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.userData = {};\n\n\t}\n\n\t/**\n\t * A callback that is executed immediately before a 3D object is rendered to a shadow map.\n\t *\n\t * @param {Renderer|WebGLRenderer} renderer - The renderer.\n\t * @param {Object3D} object - The 3D object.\n\t * @param {Camera} camera - The camera that is used to render the scene.\n\t * @param {Camera} shadowCamera - The shadow camera.\n\t * @param {BufferGeometry} geometry - The 3D object's geometry.\n\t * @param {Material} depthMaterial - The depth material.\n\t * @param {Object} group - The geometry group data.\n\t */\n\tonBeforeShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {}\n\n\t/**\n\t * A callback that is executed immediately after a 3D object is rendered to a shadow map.\n\t *\n\t * @param {Renderer|WebGLRenderer} renderer - The renderer.\n\t * @param {Object3D} object - The 3D object.\n\t * @param {Camera} camera - The camera that is used to render the scene.\n\t * @param {Camera} shadowCamera - The shadow camera.\n\t * @param {BufferGeometry} geometry - The 3D object's geometry.\n\t * @param {Material} depthMaterial - The depth material.\n\t * @param {Object} group - The geometry group data.\n\t */\n\tonAfterShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {}\n\n\t/**\n\t * A callback that is executed immediately before a 3D object is rendered.\n\t *\n\t * @param {Renderer|WebGLRenderer} renderer - The renderer.\n\t * @param {Object3D} object - The 3D object.\n\t * @param {Camera} camera - The camera that is used to render the scene.\n\t * @param {BufferGeometry} geometry - The 3D object's geometry.\n\t * @param {Material} material - The 3D object's material.\n\t * @param {Object} group - The geometry group data.\n\t */\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\t/**\n\t * A callback that is executed immediately after a 3D object is rendered.\n\t *\n\t * @param {Renderer|WebGLRenderer} renderer - The renderer.\n\t * @param {Object3D} object - The 3D object.\n\t * @param {Camera} camera - The camera that is used to render the scene.\n\t * @param {BufferGeometry} geometry - The 3D object's geometry.\n\t * @param {Material} material - The 3D object's material.\n\t * @param {Object} group - The geometry group data.\n\t */\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\t/**\n\t * Applies the given transformation matrix to the object and updates the object's position,\n\t * rotation and scale.\n\t *\n\t * @param {Matrix4} matrix - The transformation matrix.\n\t */\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\t/**\n\t * Applies a rotation represented by given the quaternion to the 3D object.\n\t *\n\t * @param {Quaternion} q - The quaternion.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given rotation represented as an axis/angle couple to the 3D object.\n\t *\n\t * @param {Vector3} axis - The (normalized) axis vector.\n\t * @param {number} angle - The angle in radians.\n\t */\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\t/**\n\t * Sets the given rotation represented as Euler angles to the 3D object.\n\t *\n\t * @param {Euler} euler - The Euler angles.\n\t */\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\t/**\n\t * Sets the given rotation represented as rotation matrix to the 3D object.\n\t *\n\t * @param {Matrix4} m - Although a 4x4 matrix is expected, the upper 3x3 portion must be\n\t * a pure rotation matrix (i.e, unscaled).\n\t */\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\t/**\n\t * Sets the given rotation represented as a Quaternion to the 3D object.\n\t *\n\t * @param {Quaternion} q - The Quaternion\n\t */\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\t/**\n\t * Rotates the 3D object along an axis in local space.\n\t *\n\t * @param {Vector3} axis - The (normalized) axis vector.\n\t * @param {number} angle - The angle in radians.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Rotates the 3D object along an axis in world space.\n\t *\n\t * @param {Vector3} axis - The (normalized) axis vector.\n\t * @param {number} angle - The angle in radians.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Rotates the 3D object around its X axis in local space.\n\t *\n\t * @param {number} angle - The angle in radians.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\t/**\n\t * Rotates the 3D object around its Y axis in local space.\n\t *\n\t * @param {number} angle - The angle in radians.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\t/**\n\t * Rotates the 3D object around its Z axis in local space.\n\t *\n\t * @param {number} angle - The angle in radians.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\t/**\n\t * Translate the 3D object by a distance along the given axis in local space.\n\t *\n\t * @param {Vector3} axis - The (normalized) axis vector.\n\t * @param {number} distance - The distance in world units.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Translate the 3D object by a distance along its X-axis in local space.\n\t *\n\t * @param {number} distance - The distance in world units.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\t/**\n\t * Translate the 3D object by a distance along its Y-axis in local space.\n\t *\n\t * @param {number} distance - The distance in world units.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\t/**\n\t * Translate the 3D object by a distance along its Z-axis in local space.\n\t *\n\t * @param {number} distance - The distance in world units.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\t/**\n\t * Converts the given vector from this 3D object's local space to world space.\n\t *\n\t * @param {Vector3} vector - The vector to convert.\n\t * @return {Vector3} The converted vector.\n\t */\n\tlocalToWorld( vector ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\t/**\n\t * Converts the given vector from this 3D object's word space to local space.\n\t *\n\t * @param {Vector3} vector - The vector to convert.\n\t * @return {Vector3} The converted vector.\n\t */\n\tworldToLocal( vector ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\t/**\n\t * Rotates the object to face a point in world space.\n\t *\n\t * This method does not support objects having non-uniformly-scaled parent(s).\n\t *\n\t * @param {number|Vector3} x - The x coordinate in world space. Alternatively, a vector representing a position in world space\n\t * @param {number} [y] - The y coordinate in world space.\n\t * @param {number} [z] - The z coordinate in world space.\n\t */\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Adds the given 3D object as a child to this 3D object. An arbitrary number of\n\t * objects may be added. Any current parent on an object passed in here will be\n\t * removed, since an object can have at most one parent.\n\t *\n\t * @fires Object3D#added\n\t * @fires Object3D#childadded\n\t * @param {Object3D} object - The 3D object to add.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\terror( 'Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tobject.removeFromParent();\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t\t_childaddedEvent.child = object;\n\t\t\tthis.dispatchEvent( _childaddedEvent );\n\t\t\t_childaddedEvent.child = null;\n\n\t\t} else {\n\n\t\t\terror( 'Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Removes the given 3D object as child from this 3D object.\n\t * An arbitrary number of objects may be removed.\n\t *\n\t * @fires Object3D#removed\n\t * @fires Object3D#childremoved\n\t * @param {Object3D} object - The 3D object to remove.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== -1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t\t_childremovedEvent.child = object;\n\t\t\tthis.dispatchEvent( _childremovedEvent );\n\t\t\t_childremovedEvent.child = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Removes this 3D object from its current parent.\n\t *\n\t * @fires Object3D#removed\n\t * @fires Object3D#childremoved\n\t * @return {Object3D} A reference to this instance.\n\t */\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Removes all child objects.\n\t *\n\t * @fires Object3D#removed\n\t * @fires Object3D#childremoved\n\t * @return {Object3D} A reference to this instance.\n\t */\n\tclear() {\n\n\t\treturn this.remove( ... this.children );\n\n\t}\n\n\t/**\n\t * Adds the given 3D object as a child of this 3D object, while maintaining the object's world\n\t * transform. This method does not support scene graphs having non-uniformly-scaled nodes(s).\n\t *\n\t * @fires Object3D#added\n\t * @fires Object3D#childadded\n\t * @param {Object3D} object - The 3D object to attach.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tobject.removeFromParent();\n\t\tobject.parent = this;\n\t\tthis.children.push( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t_childaddedEvent.child = object;\n\t\tthis.dispatchEvent( _childaddedEvent );\n\t\t_childaddedEvent.child = null;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Searches through the 3D object and its children, starting with the 3D object\n\t * itself, and returns the first with a matching ID.\n\t *\n\t * @param {number} id - The id.\n\t * @return {Object3D|undefined} The found 3D object. Returns `undefined` if no 3D object has been found.\n\t */\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\t/**\n\t * Searches through the 3D object and its children, starting with the 3D object\n\t * itself, and returns the first with a matching name.\n\t *\n\t * @param {string} name - The name.\n\t * @return {Object3D|undefined} The found 3D object. Returns `undefined` if no 3D object has been found.\n\t */\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\t/**\n\t * Searches through the 3D object and its children, starting with the 3D object\n\t * itself, and returns the first with a matching property value.\n\t *\n\t * @param {string} name - The name of the property.\n\t * @param {any} value - The value.\n\t * @return {Object3D|undefined} The found 3D object. Returns `undefined` if no 3D object has been found.\n\t */\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\t/**\n\t * Searches through the 3D object and its children, starting with the 3D object\n\t * itself, and returns all 3D objects with a matching property value.\n\t *\n\t * @param {string} name - The name of the property.\n\t * @param {any} value - The value.\n\t * @param {Array} result - The method stores the result in this array.\n\t * @return {Array} The found 3D objects.\n\t */\n\tgetObjectsByProperty( name, value, result = [] ) {\n\n\t\tif ( this[ name ] === value ) result.push( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].getObjectsByProperty( name, value, result );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t/**\n\t * Returns a vector representing the position of the 3D object in world space.\n\t *\n\t * @param {Vector3} target - The target vector the result is stored to.\n\t * @return {Vector3} The 3D object's position in world space.\n\t */\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\t/**\n\t * Returns a Quaternion representing the position of the 3D object in world space.\n\t *\n\t * @param {Quaternion} target - The target Quaternion the result is stored to.\n\t * @return {Quaternion} The 3D object's rotation in world space.\n\t */\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Returns a vector representing the scale of the 3D object in world space.\n\t *\n\t * @param {Vector3} target - The target vector the result is stored to.\n\t * @return {Vector3} The 3D object's scale in world space.\n\t */\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Returns a vector representing the (\"look\") direction of the 3D object in world space.\n\t *\n\t * @param {Vector3} target - The target vector the result is stored to.\n\t * @return {Vector3} The 3D object's direction in world space.\n\t */\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\t/**\n\t * Abstract method to get intersections between a casted ray and this\n\t * 3D object. Renderable 3D objects such as {@link Mesh}, {@link Line} or {@link Points}\n\t * implement this method in order to use raycasting.\n\t *\n\t * @abstract\n\t * @param {Raycaster} raycaster - The raycaster.\n\t * @param {Array} intersects - An array holding the result of the method.\n\t */\n\traycast( /* raycaster, intersects */ ) {}\n\n\t/**\n\t * Executes the callback on this 3D object and all descendants.\n\t *\n\t * Note: Modifying the scene graph inside the callback is discouraged.\n\t *\n\t * @param {Function} callback - A callback function that allows to process the current 3D object.\n\t */\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Like {@link Object3D#traverse}, but the callback will only be executed for visible 3D objects.\n\t * Descendants of invisible 3D objects are not traversed.\n\t *\n\t * Note: Modifying the scene graph inside the callback is discouraged.\n\t *\n\t * @param {Function} callback - A callback function that allows to process the current 3D object.\n\t */\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Like {@link Object3D#traverse}, but the callback will only be executed for all ancestors.\n\t *\n\t * Note: Modifying the scene graph inside the callback is discouraged.\n\t *\n\t * @param {Function} callback - A callback function that allows to process the current 3D object.\n\t */\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the transformation matrix in local space by computing it from the current\n\t * position, rotation and scale values.\n\t */\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t/**\n\t * Updates the transformation matrix in world space of this 3D objects and its descendants.\n\t *\n\t * To ensure correct results, this method also recomputes the 3D object's transformation matrix in\n\t * local space. The computation of the local and world matrix can be controlled with the\n\t * {@link Object3D#matrixAutoUpdate} and {@link Object3D#matrixWorldAutoUpdate} flags which are both\n\t * `true` by default. Set these flags to `false` if you need more control over the update matrix process.\n\t *\n\t * @param {boolean} [force=false] - When set to `true`, a recomputation of world matrices is forced even\n\t * when {@link Object3D#matrixWorldAutoUpdate} is set to `false`.\n\t */\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.matrixWorldAutoUpdate === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// make sure descendants are updated if required\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tconst child = children[ i ];\n\n\t\t\tchild.updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * An alternative version of {@link Object3D#updateMatrixWorld} with more control over the\n\t * update of ancestor and descendant nodes.\n\t *\n\t * @param {boolean} [updateParents=false] Whether ancestor nodes should be updated or not.\n\t * @param {boolean} [updateChildren=false] Whether descendant nodes should be updated or not.\n\t */\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldAutoUpdate === true ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// make sure descendants are updated\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = children[ i ];\n\n\t\t\t\tchild.updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Serializes the 3D object into JSON.\n\t *\n\t * @param {?(Object|string)} meta - An optional value holding meta information about the serialization.\n\t * @return {Object} A JSON object representing the serialized 3D object.\n\t * @see {@link ObjectLoader#parse}\n\t */\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {},\n\t\t\t\tnodes: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.7,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( Object.keys( this.userData ).length > 0 ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\t\tobject.up = this.up.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\tif ( this.isBatchedMesh ) {\n\n\t\t\tobject.type = 'BatchedMesh';\n\t\t\tobject.perObjectFrustumCulled = this.perObjectFrustumCulled;\n\t\t\tobject.sortObjects = this.sortObjects;\n\n\t\t\tobject.drawRanges = this._drawRanges;\n\t\t\tobject.reservedRanges = this._reservedRanges;\n\n\t\t\tobject.geometryInfo = this._geometryInfo.map( info => ( {\n\t\t\t\t...info,\n\t\t\t\tboundingBox: info.boundingBox ? info.boundingBox.toJSON() : undefined,\n\t\t\t\tboundingSphere: info.boundingSphere ? info.boundingSphere.toJSON() : undefined\n\t\t\t} ) );\n\t\t\tobject.instanceInfo = this._instanceInfo.map( info => ( { ...info } ) );\n\n\t\t\tobject.availableInstanceIds = this._availableInstanceIds.slice();\n\t\t\tobject.availableGeometryIds = this._availableGeometryIds.slice();\n\n\t\t\tobject.nextIndexStart = this._nextIndexStart;\n\t\t\tobject.nextVertexStart = this._nextVertexStart;\n\t\t\tobject.geometryCount = this._geometryCount;\n\n\t\t\tobject.maxInstanceCount = this._maxInstanceCount;\n\t\t\tobject.maxVertexCount = this._maxVertexCount;\n\t\t\tobject.maxIndexCount = this._maxIndexCount;\n\n\t\t\tobject.geometryInitialized = this._geometryInitialized;\n\n\t\t\tobject.matricesTexture = this._matricesTexture.toJSON( meta );\n\n\t\t\tobject.indirectTexture = this._indirectTexture.toJSON( meta );\n\n\t\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\t\tobject.colorsTexture = this._colorsTexture.toJSON( meta );\n\n\t\t\t}\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tobject.boundingSphere = this.boundingSphere.toJSON();\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tobject.boundingBox = this.boundingBox.toJSON();\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\t\t\tconst nodes = extractFromCache( meta.nodes );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\t\t\tif ( nodes.length > 0 ) output.nodes = nodes;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns a new 3D object with copied values from this instance.\n\t *\n\t * @param {boolean} [recursive=true] - When set to `true`, descendants of the 3D object are also cloned.\n\t * @return {Object3D} A clone of this instance.\n\t */\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\t/**\n\t * Copies the values of the given 3D object to this instance.\n\t *\n\t * @param {Object3D} source - The 3D object to copy.\n\t * @param {boolean} [recursive=true] - When set to `true`, descendants of the 3D object are cloned.\n\t * @return {Object3D} A reference to this instance.\n\t */\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\tthis.matrixWorldAutoUpdate = source.matrixWorldAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.animations = source.animations.slice();\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * The default up direction for objects, also used as the default\n * position for {@link DirectionalLight} and {@link HemisphereLight}.\n *\n * @static\n * @type {Vector3}\n * @default (0,1,0)\n */\nObject3D.DEFAULT_UP = /*@__PURE__*/ new Vector3( 0, 1, 0 );\n\n/**\n * The default setting for {@link Object3D#matrixAutoUpdate} for\n * newly created 3D objects.\n *\n * @static\n * @type {boolean}\n * @default true\n */\nObject3D.DEFAULT_MATRIX_AUTO_UPDATE = true;\n\n/**\n * The default setting for {@link Object3D#matrixWorldAutoUpdate} for\n * newly created 3D objects.\n *\n * @static\n * @type {boolean}\n * @default true\n */\nObject3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$2 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nconst _v40 = /*@__PURE__*/ new Vector4();\nconst _v41 = /*@__PURE__*/ new Vector4();\nconst _v42 = /*@__PURE__*/ new Vector4();\n\n/**\n * A geometric triangle as defined by three vectors representing its three corners.\n */\nclass Triangle {\n\n\t/**\n\t * Constructs a new triangle.\n\t *\n\t * @param {Vector3} [a=(0,0,0)] - The first corner of the triangle.\n\t * @param {Vector3} [b=(0,0,0)] - The second corner of the triangle.\n\t * @param {Vector3} [c=(0,0,0)] - The third corner of the triangle.\n\t */\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\t/**\n\t\t * The first corner of the triangle.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.a = a;\n\n\t\t/**\n\t\t * The second corner of the triangle.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.b = b;\n\n\t\t/**\n\t\t * The third corner of the triangle.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.c = c;\n\n\t}\n\n\t/**\n\t * Computes the normal vector of a triangle.\n\t *\n\t * @param {Vector3} a - The first corner of the triangle.\n\t * @param {Vector3} b - The second corner of the triangle.\n\t * @param {Vector3} c - The third corner of the triangle.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The triangle's normal.\n\t */\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t/**\n\t * Computes a barycentric coordinates from the given vector.\n\t * Returns `null` if the triangle is degenerate.\n\t *\n\t * @param {Vector3} point - A point in 3D space.\n\t * @param {Vector3} a - The first corner of the triangle.\n\t * @param {Vector3} b - The second corner of the triangle.\n\t * @param {Vector3} c - The third corner of the triangle.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The barycentric coordinates for the given point\n\t */\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\ttarget.set( 0, 0, 0 );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given point, when projected onto the plane of the\n\t * triangle, lies within the triangle.\n\t *\n\t * @param {Vector3} point - The point in 3D space to test.\n\t * @param {Vector3} a - The first corner of the triangle.\n\t * @param {Vector3} b - The second corner of the triangle.\n\t * @param {Vector3} c - The third corner of the triangle.\n\t * @return {boolean} Whether the given point, when projected onto the plane of the\n\t * triangle, lies within the triangle or not.\n\t */\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\t// if the triangle is degenerate then we can't contain a point\n\t\tif ( this.getBarycoord( point, a, b, c, _v3$2 ) === null ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn ( _v3$2.x >= 0 ) && ( _v3$2.y >= 0 ) && ( ( _v3$2.x + _v3$2.y ) <= 1 );\n\n\t}\n\n\t/**\n\t * Computes the value barycentrically interpolated for the given point on the\n\t * triangle. Returns `null` if the triangle is degenerate.\n\t *\n\t * @param {Vector3} point - Position of interpolated point.\n\t * @param {Vector3} p1 - The first corner of the triangle.\n\t * @param {Vector3} p2 - The second corner of the triangle.\n\t * @param {Vector3} p3 - The third corner of the triangle.\n\t * @param {Vector3} v1 - Value to interpolate of first vertex.\n\t * @param {Vector3} v2 - Value to interpolate of second vertex.\n\t * @param {Vector3} v3 - Value to interpolate of third vertex.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The interpolated value.\n\t */\n\tstatic getInterpolation( point, p1, p2, p3, v1, v2, v3, target ) {\n\n\t\tif ( this.getBarycoord( point, p1, p2, p3, _v3$2 ) === null ) {\n\n\t\t\ttarget.x = 0;\n\t\t\ttarget.y = 0;\n\t\t\tif ( 'z' in target ) target.z = 0;\n\t\t\tif ( 'w' in target ) target.w = 0;\n\t\t\treturn null;\n\n\t\t}\n\n\t\ttarget.setScalar( 0 );\n\t\ttarget.addScaledVector( v1, _v3$2.x );\n\t\ttarget.addScaledVector( v2, _v3$2.y );\n\t\ttarget.addScaledVector( v3, _v3$2.z );\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Computes the value barycentrically interpolated for the given attribute and indices.\n\t *\n\t * @param {BufferAttribute} attr - The attribute to interpolate.\n\t * @param {number} i1 - Index of first vertex.\n\t * @param {number} i2 - Index of second vertex.\n\t * @param {number} i3 - Index of third vertex.\n\t * @param {Vector3} barycoord - The barycoordinate value to use to interpolate.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The interpolated attribute value.\n\t */\n\tstatic getInterpolatedAttribute( attr, i1, i2, i3, barycoord, target ) {\n\n\t\t_v40.setScalar( 0 );\n\t\t_v41.setScalar( 0 );\n\t\t_v42.setScalar( 0 );\n\n\t\t_v40.fromBufferAttribute( attr, i1 );\n\t\t_v41.fromBufferAttribute( attr, i2 );\n\t\t_v42.fromBufferAttribute( attr, i3 );\n\n\t\ttarget.setScalar( 0 );\n\t\ttarget.addScaledVector( _v40, barycoord.x );\n\t\ttarget.addScaledVector( _v41, barycoord.y );\n\t\ttarget.addScaledVector( _v42, barycoord.z );\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Returns `true` if the triangle is oriented towards the given direction.\n\t *\n\t * @param {Vector3} a - The first corner of the triangle.\n\t * @param {Vector3} b - The second corner of the triangle.\n\t * @param {Vector3} c - The third corner of the triangle.\n\t * @param {Vector3} direction - The (normalized) direction vector.\n\t * @return {boolean} Whether the triangle is oriented towards the given direction or not.\n\t */\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\t/**\n\t * Sets the triangle's vertices by copying the given values.\n\t *\n\t * @param {Vector3} a - The first corner of the triangle.\n\t * @param {Vector3} b - The second corner of the triangle.\n\t * @param {Vector3} c - The third corner of the triangle.\n\t * @return {Triangle} A reference to this triangle.\n\t */\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the triangle's vertices by copying the given array values.\n\t *\n\t * @param {Array} points - An array with 3D points.\n\t * @param {number} i0 - The array index representing the first corner of the triangle.\n\t * @param {number} i1 - The array index representing the second corner of the triangle.\n\t * @param {number} i2 - The array index representing the third corner of the triangle.\n\t * @return {Triangle} A reference to this triangle.\n\t */\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the triangle's vertices by copying the given attribute values.\n\t *\n\t * @param {BufferAttribute} attribute - A buffer attribute with 3D points data.\n\t * @param {number} i0 - The attribute index representing the first corner of the triangle.\n\t * @param {number} i1 - The attribute index representing the second corner of the triangle.\n\t * @param {number} i2 - The attribute index representing the third corner of the triangle.\n\t * @return {Triangle} A reference to this triangle.\n\t */\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new triangle with copied values from this instance.\n\t *\n\t * @return {Triangle} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Copies the values of the given triangle to this instance.\n\t *\n\t * @param {Triangle} triangle - The triangle to copy.\n\t * @return {Triangle} A reference to this triangle.\n\t */\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes the area of the triangle.\n\t *\n\t * @return {number} The triangle's area.\n\t */\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\t/**\n\t * Computes the midpoint of the triangle.\n\t *\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The triangle's midpoint.\n\t */\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\t/**\n\t * Computes the normal of the triangle.\n\t *\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The triangle's normal.\n\t */\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\t/**\n\t * Computes a plane the triangle lies within.\n\t *\n\t * @param {Plane} target - The target vector that is used to store the method's result.\n\t * @return {Plane} The plane the triangle lies within.\n\t */\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\t/**\n\t * Computes a barycentric coordinates from the given vector.\n\t * Returns `null` if the triangle is degenerate.\n\t *\n\t * @param {Vector3} point - A point in 3D space.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The barycentric coordinates for the given point\n\t */\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\t/**\n\t * Computes the value barycentrically interpolated for the given point on the\n\t * triangle. Returns `null` if the triangle is degenerate.\n\t *\n\t * @param {Vector3} point - Position of interpolated point.\n\t * @param {Vector3} v1 - Value to interpolate of first vertex.\n\t * @param {Vector3} v2 - Value to interpolate of second vertex.\n\t * @param {Vector3} v3 - Value to interpolate of third vertex.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The interpolated value.\n\t */\n\tgetInterpolation( point, v1, v2, v3, target ) {\n\n\t\treturn Triangle.getInterpolation( point, this.a, this.b, this.c, v1, v2, v3, target );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given point, when projected onto the plane of the\n\t * triangle, lies within the triangle.\n\t *\n\t * @param {Vector3} point - The point in 3D space to test.\n\t * @return {boolean} Whether the given point, when projected onto the plane of the\n\t * triangle, lies within the triangle or not.\n\t */\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\t/**\n\t * Returns `true` if the triangle is oriented towards the given direction.\n\t *\n\t * @param {Vector3} direction - The (normalized) direction vector.\n\t * @return {boolean} Whether the triangle is oriented towards the given direction or not.\n\t */\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\t/**\n\t * Returns `true` if this triangle intersects with the given box.\n\t *\n\t * @param {Box3} box - The box to intersect.\n\t * @return {boolean} Whether this triangle intersects with the given box or not.\n\t */\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\t/**\n\t * Returns the closest point on the triangle to the given point.\n\t *\n\t * @param {Vector3} p - The point to compute the closest point for.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The closest point on the triangle.\n\t */\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\t/**\n\t * Returns `true` if this triangle is equal with the given one.\n\t *\n\t * @param {Triangle} triangle - The triangle to test for equality.\n\t * @return {boolean} Whether this triangle is equal with the given one.\n\t */\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\n/**\n * A Color instance is represented by RGB components in the linear working\n * color space, which defaults to `LinearSRGBColorSpace`. Inputs\n * conventionally using `SRGBColorSpace` (such as hexadecimals and CSS\n * strings) are converted to the working color space automatically.\n *\n * ```js\n * // converted automatically from SRGBColorSpace to LinearSRGBColorSpace\n * const color = new THREE.Color().setHex( 0x112233 );\n * ```\n * Source color spaces may be specified explicitly, to ensure correct conversions.\n * ```js\n * // assumed already LinearSRGBColorSpace; no conversion\n * const color = new THREE.Color().setRGB( 0.5, 0.5, 0.5 );\n *\n * // converted explicitly from SRGBColorSpace to LinearSRGBColorSpace\n * const color = new THREE.Color().setRGB( 0.5, 0.5, 0.5, SRGBColorSpace );\n * ```\n * If THREE.ColorManagement is disabled, no conversions occur. For details,\n * see Color management. Iterating through a Color instance will yield\n * its components (r, g, b) in the corresponding order. A Color can be initialised\n * in any of the following ways:\n * ```js\n * //empty constructor - will default white\n * const color1 = new THREE.Color();\n *\n * //Hexadecimal color (recommended)\n * const color2 = new THREE.Color( 0xff0000 );\n *\n * //RGB string\n * const color3 = new THREE.Color(\"rgb(255, 0, 0)\");\n * const color4 = new THREE.Color(\"rgb(100%, 0%, 0%)\");\n *\n * //X11 color name - all 140 color names are supported.\n * //Note the lack of CamelCase in the name\n * const color5 = new THREE.Color( 'skyblue' );\n * //HSL string\n * const color6 = new THREE.Color(\"hsl(0, 100%, 50%)\");\n *\n * //Separate RGB values between 0 and 1\n * const color7 = new THREE.Color( 1, 0, 0 );\n * ```\n */\nclass Color {\n\n\t/**\n\t * Constructs a new color.\n\t *\n\t * Note that standard method of specifying color in three.js is with a hexadecimal triplet,\n\t * and that method is used throughout the rest of the documentation.\n\t *\n\t * @param {(number|string|Color)} [r] - The red component of the color. If `g` and `b` are\n\t * not provided, it can be hexadecimal triplet, a CSS-style string or another `Color` instance.\n\t * @param {number} [g] - The green component.\n\t * @param {number} [b] - The blue component.\n\t */\n\tconstructor( r, g, b ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isColor = true;\n\n\t\t/**\n\t\t * The red component.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.r = 1;\n\n\t\t/**\n\t\t * The green component.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.g = 1;\n\n\t\t/**\n\t\t * The blue component.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.b = 1;\n\n\t\treturn this.set( r, g, b );\n\n\t}\n\n\t/**\n\t * Sets the colors's components from the given values.\n\t *\n\t * @param {(number|string|Color)} [r] - The red component of the color. If `g` and `b` are\n\t * not provided, it can be hexadecimal triplet, a CSS-style string or another `Color` instance.\n\t * @param {number} [g] - The green component.\n\t * @param {number} [b] - The blue component.\n\t * @return {Color} A reference to this color.\n\t */\n\tset( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\n\t\t\tconst value = r;\n\n\t\t\tif ( value && value.isColor ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.setRGB( r, g, b );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the colors's components to the given scalar value.\n\t *\n\t * @param {number} scalar - The scalar value.\n\t * @return {Color} A reference to this color.\n\t */\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this color from a hexadecimal value.\n\t *\n\t * @param {number} hex - The hexadecimal value.\n\t * @param {string} [colorSpace=SRGBColorSpace] - The color space.\n\t * @return {Color} A reference to this color.\n\t */\n\tsetHex( hex, colorSpace = SRGBColorSpace ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\tColorManagement.colorSpaceToWorking( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this color from RGB values.\n\t *\n\t * @param {number} r - Red channel value between `0.0` and `1.0`.\n\t * @param {number} g - Green channel value between `0.0` and `1.0`.\n\t * @param {number} b - Blue channel value between `0.0` and `1.0`.\n\t * @param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space.\n\t * @return {Color} A reference to this color.\n\t */\n\tsetRGB( r, g, b, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\tColorManagement.colorSpaceToWorking( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this color from RGB values.\n\t *\n\t * @param {number} h - Hue value between `0.0` and `1.0`.\n\t * @param {number} s - Saturation value between `0.0` and `1.0`.\n\t * @param {number} l - Lightness value between `0.0` and `1.0`.\n\t * @param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space.\n\t * @return {Color} A reference to this color.\n\t */\n\tsetHSL( h, s, l, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\tColorManagement.colorSpaceToWorking( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this color from a CSS-style string. For example, `rgb(250, 0,0)`,\n\t * `rgb(100%, 0%, 0%)`, `hsl(0, 100%, 50%)`, `#ff0000`, `#f00`, or `red` ( or\n\t * any [X11 color name](https://en.wikipedia.org/wiki/X11_color_names#Color_name_chart) -\n\t * all 140 color names are supported).\n\t *\n\t * @param {string} style - Color as a CSS-style string.\n\t * @param {string} [colorSpace=SRGBColorSpace] - The color space.\n\t * @return {Color} A reference to this color.\n\t */\n\tsetStyle( style, colorSpace = SRGBColorSpace ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\twarn( 'Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^(\\w+)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setRGB(\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 1 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 2 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 3 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setRGB(\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 1 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 2 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 3 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d*\\.?\\d+)\\%\\s*,\\s*(\\d*\\.?\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL(\n\t\t\t\t\t\t\tparseFloat( color[ 1 ] ) / 360,\n\t\t\t\t\t\t\tparseFloat( color[ 2 ] ) / 100,\n\t\t\t\t\t\t\tparseFloat( color[ 3 ] ) / 100,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\twarn( 'Color: Unknown color model ' + style );\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\treturn this.setRGB(\n\t\t\t\t\tparseInt( hex.charAt( 0 ), 16 ) / 15,\n\t\t\t\t\tparseInt( hex.charAt( 1 ), 16 ) / 15,\n\t\t\t\t\tparseInt( hex.charAt( 2 ), 16 ) / 15,\n\t\t\t\t\tcolorSpace\n\t\t\t\t);\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\treturn this.setHex( parseInt( hex, 16 ), colorSpace );\n\n\t\t\t} else {\n\n\t\t\t\twarn( 'Color: Invalid hex color ' + style );\n\n\t\t\t}\n\n\t\t} else if ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style, colorSpace );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets this color from a color name. Faster than {@link Color#setStyle} if\n\t * you don't need the other CSS-style formats.\n\t *\n\t * For convenience, the list of names is exposed in `Color.NAMES` as a hash.\n\t * ```js\n\t * Color.NAMES.aliceblue // returns 0xF0F8FF\n\t * ```\n\t *\n\t * @param {string} style - The color name.\n\t * @param {string} [colorSpace=SRGBColorSpace] - The color space.\n\t * @return {Color} A reference to this color.\n\t */\n\tsetColorName( style, colorSpace = SRGBColorSpace ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex, colorSpace );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\twarn( 'Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new color with copied values from this instance.\n\t *\n\t * @return {Color} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\t/**\n\t * Copies the values of the given color to this instance.\n\t *\n\t * @param {Color} color - The color to copy.\n\t * @return {Color} A reference to this color.\n\t */\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the given color into this color, and then converts this color from\n\t * `SRGBColorSpace` to `LinearSRGBColorSpace`.\n\t *\n\t * @param {Color} color - The color to copy/convert.\n\t * @return {Color} A reference to this color.\n\t */\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the given color into this color, and then converts this color from\n\t * `LinearSRGBColorSpace` to `SRGBColorSpace`.\n\t *\n\t * @param {Color} color - The color to copy/convert.\n\t * @return {Color} A reference to this color.\n\t */\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Converts this color from `SRGBColorSpace` to `LinearSRGBColorSpace`.\n\t *\n\t * @return {Color} A reference to this color.\n\t */\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Converts this color from `LinearSRGBColorSpace` to `SRGBColorSpace`.\n\t *\n\t * @return {Color} A reference to this color.\n\t */\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the hexadecimal value of this color.\n\t *\n\t * @param {string} [colorSpace=SRGBColorSpace] - The color space.\n\t * @return {number} The hexadecimal value.\n\t */\n\tgetHex( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.workingToColorSpace( _color.copy( this ), colorSpace );\n\n\t\treturn Math.round( clamp( _color.r * 255, 0, 255 ) ) * 65536 + Math.round( clamp( _color.g * 255, 0, 255 ) ) * 256 + Math.round( clamp( _color.b * 255, 0, 255 ) );\n\n\t}\n\n\t/**\n\t * Returns the hexadecimal value of this color as a string (for example, 'FFFFFF').\n\t *\n\t * @param {string} [colorSpace=SRGBColorSpace] - The color space.\n\t * @return {string} The hexadecimal value as a string.\n\t */\n\tgetHexString( colorSpace = SRGBColorSpace ) {\n\n\t\treturn ( '000000' + this.getHex( colorSpace ).toString( 16 ) ).slice( -6 );\n\n\t}\n\n\t/**\n\t * Converts the colors RGB values into the HSL format and stores them into the\n\t * given target object.\n\t *\n\t * @param {{h:number,s:number,l:number}} target - The target object that is used to store the method's result.\n\t * @param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space.\n\t * @return {{h:number,s:number,l:number}} The HSL representation of this color.\n\t */\n\tgetHSL( target, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tColorManagement.workingToColorSpace( _color.copy( this ), colorSpace );\n\n\t\tconst r = _color.r, g = _color.g, b = _color.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Returns the RGB values of this color and stores them into the given target object.\n\t *\n\t * @param {Color} target - The target color that is used to store the method's result.\n\t * @param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space.\n\t * @return {Color} The RGB representation of this color.\n\t */\n\tgetRGB( target, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\tColorManagement.workingToColorSpace( _color.copy( this ), colorSpace );\n\n\t\ttarget.r = _color.r;\n\t\ttarget.g = _color.g;\n\t\ttarget.b = _color.b;\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Returns the value of this color as a CSS style string. Example: `rgb(255,0,0)`.\n\t *\n\t * @param {string} [colorSpace=SRGBColorSpace] - The color space.\n\t * @return {string} The CSS representation of this color.\n\t */\n\tgetStyle( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.workingToColorSpace( _color.copy( this ), colorSpace );\n\n\t\tconst r = _color.r, g = _color.g, b = _color.b;\n\n\t\tif ( colorSpace !== SRGBColorSpace ) {\n\n\t\t\t// Requires CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/).\n\t\t\treturn `color(${ colorSpace } ${ r.toFixed( 3 ) } ${ g.toFixed( 3 ) } ${ b.toFixed( 3 ) })`;\n\n\t\t}\n\n\t\treturn `rgb(${ Math.round( r * 255 ) },${ Math.round( g * 255 ) },${ Math.round( b * 255 ) })`;\n\n\t}\n\n\t/**\n\t * Adds the given HSL values to this color's values.\n\t * Internally, this converts the color's RGB values to HSL, adds HSL\n\t * and then converts the color back to RGB.\n\t *\n\t * @param {number} h - Hue value between `0.0` and `1.0`.\n\t * @param {number} s - Saturation value between `0.0` and `1.0`.\n\t * @param {number} l - Lightness value between `0.0` and `1.0`.\n\t * @return {Color} A reference to this color.\n\t */\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\treturn this.setHSL( _hslA.h + h, _hslA.s + s, _hslA.l + l );\n\n\t}\n\n\t/**\n\t * Adds the RGB values of the given color to the RGB values of this color.\n\t *\n\t * @param {Color} color - The color to add.\n\t * @return {Color} A reference to this color.\n\t */\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the RGB values of the given colors and stores the result in this instance.\n\t *\n\t * @param {Color} color1 - The first color.\n\t * @param {Color} color2 - The second color.\n\t * @return {Color} A reference to this color.\n\t */\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given scalar value to the RGB values of this color.\n\t *\n\t * @param {number} s - The scalar to add.\n\t * @return {Color} A reference to this color.\n\t */\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Subtracts the RGB values of the given color from the RGB values of this color.\n\t *\n\t * @param {Color} color - The color to subtract.\n\t * @return {Color} A reference to this color.\n\t */\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the RGB values of the given color with the RGB values of this color.\n\t *\n\t * @param {Color} color - The color to multiply.\n\t * @return {Color} A reference to this color.\n\t */\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Multiplies the given scalar value with the RGB values of this color.\n\t *\n\t * @param {number} s - The scalar to multiply.\n\t * @return {Color} A reference to this color.\n\t */\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Linearly interpolates this color's RGB values toward the RGB values of the\n\t * given color. The alpha argument can be thought of as the ratio between\n\t * the two colors, where `0.0` is this color and `1.0` is the first argument.\n\t *\n\t * @param {Color} color - The color to converge on.\n\t * @param {number} alpha - The interpolation factor in the closed interval `[0,1]`.\n\t * @return {Color} A reference to this color.\n\t */\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Linearly interpolates between the given colors and stores the result in this instance.\n\t * The alpha argument can be thought of as the ratio between the two colors, where `0.0`\n\t * is the first and `1.0` is the second color.\n\t *\n\t * @param {Color} color1 - The first color.\n\t * @param {Color} color2 - The second color.\n\t * @param {number} alpha - The interpolation factor in the closed interval `[0,1]`.\n\t * @return {Color} A reference to this color.\n\t */\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Linearly interpolates this color's HSL values toward the HSL values of the\n\t * given color. It differs from {@link Color#lerp} by not interpolating straight\n\t * from one color to the other, but instead going through all the hues in between\n\t * those two colors. The alpha argument can be thought of as the ratio between\n\t * the two colors, where 0.0 is this color and 1.0 is the first argument.\n\t *\n\t * @param {Color} color - The color to converge on.\n\t * @param {number} alpha - The interpolation factor in the closed interval `[0,1]`.\n\t * @return {Color} A reference to this color.\n\t */\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the color's RGB components from the given 3D vector.\n\t *\n\t * @param {Vector3} v - The vector to set.\n\t * @return {Color} A reference to this color.\n\t */\n\tsetFromVector3( v ) {\n\n\t\tthis.r = v.x;\n\t\tthis.g = v.y;\n\t\tthis.b = v.z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Transforms this color with the given 3x3 matrix.\n\t *\n\t * @param {Matrix3} m - The matrix.\n\t * @return {Color} A reference to this color.\n\t */\n\tapplyMatrix3( m ) {\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\t\tconst e = m.elements;\n\n\t\tthis.r = e[ 0 ] * r + e[ 3 ] * g + e[ 6 ] * b;\n\t\tthis.g = e[ 1 ] * r + e[ 4 ] * g + e[ 7 ] * b;\n\t\tthis.b = e[ 2 ] * r + e[ 5 ] * g + e[ 8 ] * b;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this color is equal with the given one.\n\t *\n\t * @param {Color} c - The color to test for equality.\n\t * @return {boolean} Whether this bounding color is equal with the given one.\n\t */\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\t/**\n\t * Sets this color's RGB components from the given array.\n\t *\n\t * @param {Array} array - An array holding the RGB values.\n\t * @param {number} [offset=0] - The offset into the array.\n\t * @return {Color} A reference to this color.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Writes the RGB components of this color to the given array. If no array is provided,\n\t * the method returns a new instance.\n\t *\n\t * @param {Array} [array=[]] - The target array holding the color components.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Array} The color components.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\t/**\n\t * Sets the components of this color from the given buffer attribute.\n\t *\n\t * @param {BufferAttribute} attribute - The buffer attribute holding color data.\n\t * @param {number} index - The index into the attribute.\n\t * @return {Color} A reference to this color.\n\t */\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * This methods defines the serialization result of this class. Returns the color\n\t * as a hexadecimal value.\n\t *\n\t * @return {number} The hexadecimal value.\n\t */\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.r;\n\t\tyield this.g;\n\t\tyield this.b;\n\n\t}\n\n}\n\nconst _color = /*@__PURE__*/ new Color();\n\n/**\n * A dictionary with X11 color names.\n *\n * Note that multiple words such as Dark Orange become the string 'darkorange'.\n *\n * @static\n * @type {Object}\n */\nColor.NAMES = _colorKeywords;\n\nlet _materialId = 0;\n\n/**\n * Abstract base class for materials.\n *\n * Materials define the appearance of renderable 3D objects.\n *\n * @abstract\n * @augments EventDispatcher\n */\nclass Material extends EventDispatcher {\n\n\t/**\n\t * Constructs a new material.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMaterial = true;\n\n\t\t/**\n\t\t * The ID of the material.\n\t\t *\n\t\t * @name Material#id\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tObject.defineProperty( this, 'id', { value: _materialId ++ } );\n\n\t\t/**\n\t\t * The UUID of the material.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t\t/**\n\t\t * The name of the material.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The type property is used for detecting the object type\n\t\t * in context of serialization/deserialization.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.type = 'Material';\n\n\t\t/**\n\t\t * Defines the blending type of the material.\n\t\t *\n\t\t * It must be set to `CustomBlending` if custom blending properties like\n\t\t * {@link Material#blendSrc}, {@link Material#blendDst} or {@link Material#blendEquation}\n\t\t * should have any effect.\n\t\t *\n\t\t * @type {(NoBlending|NormalBlending|AdditiveBlending|SubtractiveBlending|MultiplyBlending|CustomBlending)}\n\t\t * @default NormalBlending\n\t\t */\n\t\tthis.blending = NormalBlending;\n\n\t\t/**\n\t\t * Defines which side of faces will be rendered - front, back or both.\n\t\t *\n\t\t * @type {(FrontSide|BackSide|DoubleSide)}\n\t\t * @default FrontSide\n\t\t */\n\t\tthis.side = FrontSide;\n\n\t\t/**\n\t\t * If set to `true`, vertex colors should be used.\n\t\t *\n\t\t * The engine supports RGB and RGBA vertex colors depending on whether a three (RGB) or\n\t\t * four (RGBA) component color buffer attribute is used.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.vertexColors = false;\n\n\t\t/**\n\t\t * Defines how transparent the material is.\n\t\t * A value of `0.0` indicates fully transparent, `1.0` is fully opaque.\n\t\t *\n\t\t * If the {@link Material#transparent} is not set to `true`,\n\t\t * the material will remain fully opaque and this value will only affect its color.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.opacity = 1;\n\n\t\t/**\n\t\t * Defines whether this material is transparent. This has an effect on\n\t\t * rendering as transparent objects need special treatment and are rendered\n\t\t * after non-transparent objects.\n\t\t *\n\t\t * When set to true, the extent to which the material is transparent is\n\t\t * controlled by {@link Material#opacity}.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.transparent = false;\n\n\t\t/**\n\t\t * Enables alpha hashed transparency, an alternative to {@link Material#transparent} or\n\t\t * {@link Material#alphaTest}. The material will not be rendered if opacity is lower than\n\t\t * a random threshold. Randomization introduces some grain or noise, but approximates alpha\n\t\t * blending without the associated problems of sorting. Using TAA can reduce the resulting noise.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.alphaHash = false;\n\n\t\t/**\n\t\t * Defines the blending source factor.\n\t\t *\n\t\t * @type {(ZeroFactor|OneFactor|SrcColorFactor|OneMinusSrcColorFactor|SrcAlphaFactor|OneMinusSrcAlphaFactor|DstAlphaFactor|OneMinusDstAlphaFactor|DstColorFactor|OneMinusDstColorFactor|SrcAlphaSaturateFactor|ConstantColorFactor|OneMinusConstantColorFactor|ConstantAlphaFactor|OneMinusConstantAlphaFactor)}\n\t\t * @default SrcAlphaFactor\n\t\t */\n\t\tthis.blendSrc = SrcAlphaFactor;\n\n\t\t/**\n\t\t * Defines the blending destination factor.\n\t\t *\n\t\t * @type {(ZeroFactor|OneFactor|SrcColorFactor|OneMinusSrcColorFactor|SrcAlphaFactor|OneMinusSrcAlphaFactor|DstAlphaFactor|OneMinusDstAlphaFactor|DstColorFactor|OneMinusDstColorFactor|SrcAlphaSaturateFactor|ConstantColorFactor|OneMinusConstantColorFactor|ConstantAlphaFactor|OneMinusConstantAlphaFactor)}\n\t\t * @default OneMinusSrcAlphaFactor\n\t\t */\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\n\t\t/**\n\t\t * Defines the blending equation.\n\t\t *\n\t\t * @type {(AddEquation|SubtractEquation|ReverseSubtractEquation|MinEquation|MaxEquation)}\n\t\t * @default AddEquation\n\t\t */\n\t\tthis.blendEquation = AddEquation;\n\n\t\t/**\n\t\t * Defines the blending source alpha factor.\n\t\t *\n\t\t * @type {?(ZeroFactor|OneFactor|SrcColorFactor|OneMinusSrcColorFactor|SrcAlphaFactor|OneMinusSrcAlphaFactor|DstAlphaFactor|OneMinusDstAlphaFactor|DstColorFactor|OneMinusDstColorFactor|SrcAlphaSaturateFactor|ConstantColorFactor|OneMinusConstantColorFactor|ConstantAlphaFactor|OneMinusConstantAlphaFactor)}\n\t\t * @default null\n\t\t */\n\t\tthis.blendSrcAlpha = null;\n\n\t\t/**\n\t\t * Defines the blending destination alpha factor.\n\t\t *\n\t\t * @type {?(ZeroFactor|OneFactor|SrcColorFactor|OneMinusSrcColorFactor|SrcAlphaFactor|OneMinusSrcAlphaFactor|DstAlphaFactor|OneMinusDstAlphaFactor|DstColorFactor|OneMinusDstColorFactor|SrcAlphaSaturateFactor|ConstantColorFactor|OneMinusConstantColorFactor|ConstantAlphaFactor|OneMinusConstantAlphaFactor)}\n\t\t * @default null\n\t\t */\n\t\tthis.blendDstAlpha = null;\n\n\t\t/**\n\t\t * Defines the blending equation of the alpha channel.\n\t\t *\n\t\t * @type {?(AddEquation|SubtractEquation|ReverseSubtractEquation|MinEquation|MaxEquation)}\n\t\t * @default null\n\t\t */\n\t\tthis.blendEquationAlpha = null;\n\n\t\t/**\n\t\t * Represents the RGB values of the constant blend color.\n\t\t *\n\t\t * This property has only an effect when using custom blending with `ConstantColor` or `OneMinusConstantColor`.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.blendColor = new Color( 0, 0, 0 );\n\n\t\t/**\n\t\t * Represents the alpha value of the constant blend color.\n\t\t *\n\t\t * This property has only an effect when using custom blending with `ConstantAlpha` or `OneMinusConstantAlpha`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.blendAlpha = 0;\n\n\t\t/**\n\t\t * Defines the depth function.\n\t\t *\n\t\t * @type {(NeverDepth|AlwaysDepth|LessDepth|LessEqualDepth|EqualDepth|GreaterEqualDepth|GreaterDepth|NotEqualDepth)}\n\t\t * @default LessEqualDepth\n\t\t */\n\t\tthis.depthFunc = LessEqualDepth;\n\n\t\t/**\n\t\t * Whether to have depth test enabled when rendering this material.\n\t\t * When the depth test is disabled, the depth write will also be implicitly disabled.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.depthTest = true;\n\n\t\t/**\n\t\t * Whether rendering this material has any effect on the depth buffer.\n\t\t *\n\t\t * When drawing 2D overlays it can be useful to disable the depth writing in\n\t\t * order to layer several things together without creating z-index artifacts.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.depthWrite = true;\n\n\t\t/**\n\t\t * The bit mask to use when writing to the stencil buffer.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0xff\n\t\t */\n\t\tthis.stencilWriteMask = 0xff;\n\n\t\t/**\n\t\t * The stencil comparison function to use.\n\t\t *\n\t\t * @type {NeverStencilFunc|LessStencilFunc|EqualStencilFunc|LessEqualStencilFunc|GreaterStencilFunc|NotEqualStencilFunc|GreaterEqualStencilFunc|AlwaysStencilFunc}\n\t\t * @default AlwaysStencilFunc\n\t\t */\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\n\t\t/**\n\t\t * The value to use when performing stencil comparisons or stencil operations.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.stencilRef = 0;\n\n\t\t/**\n\t\t * The bit mask to use when comparing against the stencil buffer.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0xff\n\t\t */\n\t\tthis.stencilFuncMask = 0xff;\n\n\t\t/**\n\t\t * Which stencil operation to perform when the comparison function returns `false`.\n\t\t *\n\t\t * @type {ZeroStencilOp|KeepStencilOp|ReplaceStencilOp|IncrementStencilOp|DecrementStencilOp|IncrementWrapStencilOp|DecrementWrapStencilOp|InvertStencilOp}\n\t\t * @default KeepStencilOp\n\t\t */\n\t\tthis.stencilFail = KeepStencilOp;\n\n\t\t/**\n\t\t * Which stencil operation to perform when the comparison function returns\n\t\t * `true` but the depth test fails.\n\t\t *\n\t\t * @type {ZeroStencilOp|KeepStencilOp|ReplaceStencilOp|IncrementStencilOp|DecrementStencilOp|IncrementWrapStencilOp|DecrementWrapStencilOp|InvertStencilOp}\n\t\t * @default KeepStencilOp\n\t\t */\n\t\tthis.stencilZFail = KeepStencilOp;\n\n\t\t/**\n\t\t * Which stencil operation to perform when the comparison function returns\n\t\t * `true` and the depth test passes.\n\t\t *\n\t\t * @type {ZeroStencilOp|KeepStencilOp|ReplaceStencilOp|IncrementStencilOp|DecrementStencilOp|IncrementWrapStencilOp|DecrementWrapStencilOp|InvertStencilOp}\n\t\t * @default KeepStencilOp\n\t\t */\n\t\tthis.stencilZPass = KeepStencilOp;\n\n\t\t/**\n\t\t * Whether stencil operations are performed against the stencil buffer. In\n\t\t * order to perform writes or comparisons against the stencil buffer this\n\t\t * value must be `true`.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.stencilWrite = false;\n\n\t\t/**\n\t\t * User-defined clipping planes specified as THREE.Plane objects in world\n\t\t * space. These planes apply to the objects this material is attached to.\n\t\t * Points in space whose signed distance to the plane is negative are clipped\n\t\t * (not rendered). This requires {@link WebGLRenderer#localClippingEnabled} to\n\t\t * be `true`.\n\t\t *\n\t\t * @type {?Array}\n\t\t * @default null\n\t\t */\n\t\tthis.clippingPlanes = null;\n\n\t\t/**\n\t\t * Changes the behavior of clipping planes so that only their intersection is\n\t\t * clipped, rather than their union.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.clipIntersection = false;\n\n\t\t/**\n\t\t * Defines whether to clip shadows according to the clipping planes specified\n\t\t * on this material.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.clipShadows = false;\n\n\t\t/**\n\t\t * Defines which side of faces cast shadows. If `null`, the side casting shadows\n\t\t * is determined as follows:\n\t\t *\n\t\t * - When {@link Material#side} is set to `FrontSide`, the back side cast shadows.\n\t\t * - When {@link Material#side} is set to `BackSide`, the front side cast shadows.\n\t\t * - When {@link Material#side} is set to `DoubleSide`, both sides cast shadows.\n\t\t *\n\t\t * @type {?(FrontSide|BackSide|DoubleSide)}\n\t\t * @default null\n\t\t */\n\t\tthis.shadowSide = null;\n\n\t\t/**\n\t\t * Whether to render the material's color.\n\t\t *\n\t\t * This can be used in conjunction with {@link Object3D#renderOder} to create invisible\n\t\t * objects that occlude other objects.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.colorWrite = true;\n\n\t\t/**\n\t\t * Override the renderer's default precision for this material.\n\t\t *\n\t\t * @type {?('highp'|'mediump'|'lowp')}\n\t\t * @default null\n\t\t */\n\t\tthis.precision = null;\n\n\t\t/**\n\t\t * Whether to use polygon offset or not. When enabled, each fragment's depth value will\n\t\t * be offset after it is interpolated from the depth values of the appropriate vertices.\n\t\t * The offset is added before the depth test is performed and before the value is written\n\t\t * into the depth buffer.\n\t\t *\n\t\t * Can be useful for rendering hidden-line images, for applying decals to surfaces, and for\n\t\t * rendering solids with highlighted edges.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.polygonOffset = false;\n\n\t\t/**\n\t\t * Specifies a scale factor that is used to create a variable depth offset for each polygon.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.polygonOffsetFactor = 0;\n\n\t\t/**\n\t\t * Is multiplied by an implementation-specific value to create a constant depth offset.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\t/**\n\t\t * Whether to apply dithering to the color to remove the appearance of banding.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.dithering = false;\n\n\t\t/**\n\t\t * Whether alpha to coverage should be enabled or not. Can only be used with MSAA-enabled contexts\n\t\t * (meaning when the renderer was created with *antialias* parameter set to `true`). Enabling this\n\t\t * will smooth aliasing on clip plane edges and alphaTest-clipped edges.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.alphaToCoverage = false;\n\n\t\t/**\n\t\t * Whether to premultiply the alpha (transparency) value.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.premultipliedAlpha = false;\n\n\t\t/**\n\t\t * Whether double-sided, transparent objects should be rendered with a single pass or not.\n\t\t *\n\t\t * The engine renders double-sided, transparent objects with two draw calls (back faces first,\n\t\t * then front faces) to mitigate transparency artifacts. There are scenarios however where this\n\t\t * approach produces no quality gains but still doubles draw calls e.g. when rendering flat\n\t\t * vegetation like grass sprites. In these cases, set the `forceSinglePass` flag to `true` to\n\t\t * disable the two pass rendering to avoid performance issues.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.forceSinglePass = false;\n\n\t\t/**\n\t\t * Whether it's possible to override the material with {@link Scene#overrideMaterial} or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.allowOverride = true;\n\n\t\t/**\n\t\t * Defines whether 3D objects using this material are visible.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.visible = true;\n\n\t\t/**\n\t\t * Defines whether this material is tone mapped according to the renderer's tone mapping setting.\n\t\t *\n\t\t * It is ignored when rendering to a render target or using post processing or when using\n\t\t * `WebGPURenderer`. In all these cases, all materials are honored by tone mapping.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.toneMapped = true;\n\n\t\t/**\n\t\t * An object that can be used to store custom data about the Material. It\n\t\t * should not hold references to functions as these will not be cloned.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.userData = {};\n\n\t\t/**\n\t\t * This starts at `0` and counts how many times {@link Material#needsUpdate} is set to `true`.\n\t\t *\n\t\t * @type {number}\n\t\t * @readonly\n\t\t * @default 0\n\t\t */\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\t/**\n\t * Sets the alpha value to be used when running an alpha test. The material\n\t * will not be rendered if the opacity is lower than this value.\n\t *\n\t * @type {number}\n\t * @readonly\n\t * @default 0\n\t */\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\t/**\n\t * An optional callback that is executed immediately before the material is used to render a 3D object.\n\t *\n\t * This method can only be used when rendering with {@link WebGLRenderer}.\n\t *\n\t * @param {WebGLRenderer} renderer - The renderer.\n\t * @param {Scene} scene - The scene.\n\t * @param {Camera} camera - The camera that is used to render the scene.\n\t * @param {BufferGeometry} geometry - The 3D object's geometry.\n\t * @param {Object3D} object - The 3D object.\n\t * @param {Object} group - The geometry group data.\n\t */\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\t/**\n\t * An optional callback that is executed immediately before the shader\n\t * program is compiled. This function is called with the shader source code\n\t * as a parameter. Useful for the modification of built-in materials.\n\t *\n\t * This method can only be used when rendering with {@link WebGLRenderer}. The\n\t * recommended approach when customizing materials is to use `WebGPURenderer` with the new\n\t * Node Material system and [TSL](https://github.com/mrdoob/three.js/wiki/Three.js-Shading-Language).\n\t *\n\t * @param {{vertexShader:string,fragmentShader:string,uniforms:Object}} shaderobject - The object holds the uniforms and the vertex and fragment shader source.\n\t * @param {WebGLRenderer} renderer - A reference to the renderer.\n\t */\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\t/**\n\t * In case {@link Material#onBeforeCompile} is used, this callback can be used to identify\n\t * values of settings used in `onBeforeCompile()`, so three.js can reuse a cached\n\t * shader or recompile the shader for this material as needed.\n\t *\n\t * This method can only be used when rendering with {@link WebGLRenderer}.\n\t *\n\t * @return {string} The custom program cache key.\n\t */\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\t/**\n\t * This method can be used to set default values from parameter objects.\n\t * It is a generic implementation so it can be used with different types\n\t * of materials.\n\t *\n\t * @param {Object} [values] - The material values to set.\n\t */\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\twarn( `Material: parameter '${ key }' has value of undefined.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\twarn( `Material: '${ key }' is not a property of THREE.${ this.type }.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Serializes the material into JSON.\n\t *\n\t * @param {?(Object|string)} meta - An optional value holding meta information about the serialization.\n\t * @return {Object} A JSON object representing the serialized material.\n\t * @see {@link ObjectLoader#parse}\n\t */\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRootObject ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.7,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity !== undefined && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.sheenColorMap && this.sheenColorMap.isTexture ) {\n\n\t\t\tdata.sheenColorMap = this.sheenColorMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.sheenRoughnessMap && this.sheenRoughnessMap.isTexture ) {\n\n\t\t\tdata.sheenRoughnessMap = this.sheenRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.dispersion !== undefined ) data.dispersion = this.dispersion;\n\n\t\tif ( this.iridescence !== undefined ) data.iridescence = this.iridescence;\n\t\tif ( this.iridescenceIOR !== undefined ) data.iridescenceIOR = this.iridescenceIOR;\n\t\tif ( this.iridescenceThicknessRange !== undefined ) data.iridescenceThicknessRange = this.iridescenceThicknessRange;\n\n\t\tif ( this.iridescenceMap && this.iridescenceMap.isTexture ) {\n\n\t\t\tdata.iridescenceMap = this.iridescenceMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture ) {\n\n\t\t\tdata.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.anisotropy !== undefined ) data.anisotropy = this.anisotropy;\n\t\tif ( this.anisotropyRotation !== undefined ) data.anisotropyRotation = this.anisotropyRotation;\n\n\t\tif ( this.anisotropyMap && this.anisotropyMap.isTexture ) {\n\n\t\t\tdata.anisotropyMap = this.anisotropyMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapRotation !== undefined ) data.envMapRotation = this.envMapRotation.toArray();\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined && this.attenuationDistance !== Infinity ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors === true ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.transparent === true ) data.transparent = true;\n\n\t\tif ( this.blendSrc !== SrcAlphaFactor ) data.blendSrc = this.blendSrc;\n\t\tif ( this.blendDst !== OneMinusSrcAlphaFactor ) data.blendDst = this.blendDst;\n\t\tif ( this.blendEquation !== AddEquation ) data.blendEquation = this.blendEquation;\n\t\tif ( this.blendSrcAlpha !== null ) data.blendSrcAlpha = this.blendSrcAlpha;\n\t\tif ( this.blendDstAlpha !== null ) data.blendDstAlpha = this.blendDstAlpha;\n\t\tif ( this.blendEquationAlpha !== null ) data.blendEquationAlpha = this.blendEquationAlpha;\n\t\tif ( this.blendColor && this.blendColor.isColor ) data.blendColor = this.blendColor.getHex();\n\t\tif ( this.blendAlpha !== 0 ) data.blendAlpha = this.blendAlpha;\n\n\t\tif ( this.depthFunc !== LessEqualDepth ) data.depthFunc = this.depthFunc;\n\t\tif ( this.depthTest === false ) data.depthTest = this.depthTest;\n\t\tif ( this.depthWrite === false ) data.depthWrite = this.depthWrite;\n\t\tif ( this.colorWrite === false ) data.colorWrite = this.colorWrite;\n\n\t\tif ( this.stencilWriteMask !== 0xff ) data.stencilWriteMask = this.stencilWriteMask;\n\t\tif ( this.stencilFunc !== AlwaysStencilFunc ) data.stencilFunc = this.stencilFunc;\n\t\tif ( this.stencilRef !== 0 ) data.stencilRef = this.stencilRef;\n\t\tif ( this.stencilFuncMask !== 0xff ) data.stencilFuncMask = this.stencilFuncMask;\n\t\tif ( this.stencilFail !== KeepStencilOp ) data.stencilFail = this.stencilFail;\n\t\tif ( this.stencilZFail !== KeepStencilOp ) data.stencilZFail = this.stencilZFail;\n\t\tif ( this.stencilZPass !== KeepStencilOp ) data.stencilZPass = this.stencilZPass;\n\t\tif ( this.stencilWrite === true ) data.stencilWrite = this.stencilWrite;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth !== undefined && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaHash === true ) data.alphaHash = true;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = true;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = true;\n\t\tif ( this.forceSinglePass === true ) data.forceSinglePass = true;\n\n\t\tif ( this.wireframe === true ) data.wireframe = true;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = true;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( this.fog === false ) data.fog = false;\n\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\t/**\n\t * Returns a new material with copied values from this instance.\n\t *\n\t * @return {Material} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Copies the values of the given material to this instance.\n\t *\n\t * @param {Material} source - The material to copy.\n\t * @return {Material} A reference to this instance.\n\t */\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\t\tthis.blendColor.copy( source.blendColor );\n\t\tthis.blendAlpha = source.blendAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaHash = source.alphaHash;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\t\tthis.forceSinglePass = source.forceSinglePass;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t *\n\t * @fires Material#dispose\n\t */\n\tdispose() {\n\n\t\t/**\n\t\t * Fires when the material has been disposed of.\n\t\t *\n\t\t * @event Material#dispose\n\t\t * @type {Object}\n\t\t */\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\t/**\n\t * Setting this property to `true` indicates the engine the material\n\t * needs to be recompiled.\n\t *\n\t * @type {boolean}\n\t * @default false\n\t * @param {boolean} value\n\t */\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\n/**\n * A material for drawing geometries in a simple shaded (flat or wireframe) way.\n *\n * This material is not affected by lights.\n *\n * @augments Material\n * @demo scenes/material-browser.html#MeshBasicMaterial\n */\nclass MeshBasicMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh basic material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshBasicMaterial = true;\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The light map. Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.lightMap = null;\n\n\t\t/**\n\t\t * Intensity of the baked light.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\t/**\n\t\t * The red channel of this texture is used as the ambient occlusion map.\n\t\t * Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.aoMap = null;\n\n\t\t/**\n\t\t * Intensity of the ambient occlusion effect. Range is `[0,1]`, where `0`\n\t\t * disables ambient occlusion. Where intensity is `1` and the AO map's\n\t\t * red channel is also `1`, ambient light is fully occluded on a surface.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\t/**\n\t\t * Specular map used by the material.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.specularMap = null;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * The environment map.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.envMap = null;\n\n\t\t/**\n\t\t * The rotation of the environment map in radians.\n\t\t *\n\t\t * @type {Euler}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.envMapRotation = new Euler();\n\n\t\t/**\n\t\t * How to combine the result of the surface's color with the environment map, if any.\n\t\t *\n\t\t * When set to `MixOperation`, the {@link MeshBasicMaterial#reflectivity} is used to\n\t\t * blend between the two colors.\n\t\t *\n\t\t * @type {(MultiplyOperation|MixOperation|AddOperation)}\n\t\t * @default MultiplyOperation\n\t\t */\n\t\tthis.combine = MultiplyOperation;\n\n\t\t/**\n\t\t * How much the environment map affects the surface.\n\t\t * The valid range is between `0` (no reflections) and `1` (full reflections).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.reflectivity = 1;\n\n\t\t/**\n\t\t * The index of refraction (IOR) of air (approximately 1) divided by the\n\t\t * index of refraction of the material. It is used with environment mapping\n\t\t * modes {@link CubeRefractionMapping} and {@link EquirectangularRefractionMapping}.\n\t\t * The refraction ratio should not exceed `1`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.98\n\t\t */\n\t\tthis.refractionRatio = 0.98;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\t/**\n\t\t * Defines appearance of wireframe ends.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinecap = 'round';\n\n\t\t/**\n\t\t * Defines appearance of wireframe joints.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n// Fast Half Float Conversions, http://www.fox-toolkit.org/ftp/fasthalffloatconversion.pdf\n\nconst _tables = /*@__PURE__*/ _generateTables();\n\nfunction _generateTables() {\n\n\t// float32 to float16 helpers\n\n\tconst buffer = new ArrayBuffer( 4 );\n\tconst floatView = new Float32Array( buffer );\n\tconst uint32View = new Uint32Array( buffer );\n\n\tconst baseTable = new Uint32Array( 512 );\n\tconst shiftTable = new Uint32Array( 512 );\n\n\tfor ( let i = 0; i < 256; ++ i ) {\n\n\t\tconst e = i - 127;\n\n\t\t// very small number (0, -0)\n\n\t\tif ( e < -27 ) {\n\n\t\t\tbaseTable[ i ] = 0x0000;\n\t\t\tbaseTable[ i | 0x100 ] = 0x8000;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// small number (denorm)\n\n\t\t} else if ( e < -14 ) {\n\n\t\t\tbaseTable[ i ] = 0x0400 >> ( - e - 14 );\n\t\t\tbaseTable[ i | 0x100 ] = ( 0x0400 >> ( - e - 14 ) ) | 0x8000;\n\t\t\tshiftTable[ i ] = - e - 1;\n\t\t\tshiftTable[ i | 0x100 ] = - e - 1;\n\n\t\t\t// normal number\n\n\t\t} else if ( e <= 15 ) {\n\n\t\t\tbaseTable[ i ] = ( e + 15 ) << 10;\n\t\t\tbaseTable[ i | 0x100 ] = ( ( e + 15 ) << 10 ) | 0x8000;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t\t// large number (Infinity, -Infinity)\n\n\t\t} else if ( e < 128 ) {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// stay (NaN, Infinity, -Infinity)\n\n\t\t} else {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t}\n\n\t}\n\n\t// float16 to float32 helpers\n\n\tconst mantissaTable = new Uint32Array( 2048 );\n\tconst exponentTable = new Uint32Array( 64 );\n\tconst offsetTable = new Uint32Array( 64 );\n\n\tfor ( let i = 1; i < 1024; ++ i ) {\n\n\t\tlet m = i << 13; // zero pad mantissa bits\n\t\tlet e = 0; // zero exponent\n\n\t\t// normalized\n\t\twhile ( ( m & 0x00800000 ) === 0 ) {\n\n\t\t\tm <<= 1;\n\t\t\te -= 0x00800000; // decrement exponent\n\n\t\t}\n\n\t\tm &= -8388609; // clear leading 1 bit\n\t\te += 0x38800000; // adjust bias\n\n\t\tmantissaTable[ i ] = m | e;\n\n\t}\n\n\tfor ( let i = 1024; i < 2048; ++ i ) {\n\n\t\tmantissaTable[ i ] = 0x38000000 + ( ( i - 1024 ) << 13 );\n\n\t}\n\n\tfor ( let i = 1; i < 31; ++ i ) {\n\n\t\texponentTable[ i ] = i << 23;\n\n\t}\n\n\texponentTable[ 31 ] = 0x47800000;\n\texponentTable[ 32 ] = 0x80000000;\n\n\tfor ( let i = 33; i < 63; ++ i ) {\n\n\t\texponentTable[ i ] = 0x80000000 + ( ( i - 32 ) << 23 );\n\n\t}\n\n\texponentTable[ 63 ] = 0xc7800000;\n\n\tfor ( let i = 1; i < 64; ++ i ) {\n\n\t\tif ( i !== 32 ) {\n\n\t\t\toffsetTable[ i ] = 1024;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tfloatView: floatView,\n\t\tuint32View: uint32View,\n\t\tbaseTable: baseTable,\n\t\tshiftTable: shiftTable,\n\t\tmantissaTable: mantissaTable,\n\t\texponentTable: exponentTable,\n\t\toffsetTable: offsetTable\n\t};\n\n}\n\n/**\n * Returns a half precision floating point value (FP16) from the given single\n * precision floating point value (FP32).\n *\n * @param {number} val - A single precision floating point value.\n * @return {number} The FP16 value.\n */\nfunction toHalfFloat( val ) {\n\n\tif ( Math.abs( val ) > 65504 ) warn( 'DataUtils.toHalfFloat(): Value out of range.' );\n\n\tval = clamp( val, -65504, 65504 );\n\n\t_tables.floatView[ 0 ] = val;\n\tconst f = _tables.uint32View[ 0 ];\n\tconst e = ( f >> 23 ) & 0x1ff;\n\treturn _tables.baseTable[ e ] + ( ( f & 0x007fffff ) >> _tables.shiftTable[ e ] );\n\n}\n\n/**\n * Returns a single precision floating point value (FP32) from the given half\n * precision floating point value (FP16).\n *\n * @param {number} val - A half precision floating point value.\n * @return {number} The FP32 value.\n */\nfunction fromHalfFloat( val ) {\n\n\tconst m = val >> 10;\n\t_tables.uint32View[ 0 ] = _tables.mantissaTable[ _tables.offsetTable[ m ] + ( val & 0x3ff ) ] + _tables.exponentTable[ m ];\n\treturn _tables.floatView[ 0 ];\n\n}\n\n/**\n * A class containing utility functions for data.\n *\n * @hideconstructor\n */\nclass DataUtils {\n\n\t/**\n\t * Returns a half precision floating point value (FP16) from the given single\n\t * precision floating point value (FP32).\n\t *\n\t * @param {number} val - A single precision floating point value.\n\t * @return {number} The FP16 value.\n\t */\n\tstatic toHalfFloat( val ) {\n\n\t\treturn toHalfFloat( val );\n\n\t}\n\n\t/**\n\t * Returns a single precision floating point value (FP32) from the given half\n\t * precision floating point value (FP16).\n\t *\n\t * @param {number} val - A half precision floating point value.\n\t * @return {number} The FP32 value.\n\t */\n\tstatic fromHalfFloat( val ) {\n\n\t\treturn fromHalfFloat( val );\n\n\t}\n\n}\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nlet _id$2 = 0;\n\n/**\n * This class stores data for an attribute (such as vertex positions, face\n * indices, normals, colors, UVs, and any custom attributes ) associated with\n * a geometry, which allows for more efficient passing of data to the GPU.\n *\n * When working with vector-like data, the `fromBufferAttribute( attribute, index )`\n * helper methods on vector and color class might be helpful. E.g. {@link Vector3#fromBufferAttribute}.\n */\nclass BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {TypedArray} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized = false ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isBufferAttribute = true;\n\n\t\t/**\n\t\t * The ID of the buffer attribute.\n\t\t *\n\t\t * @name BufferAttribute#id\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tObject.defineProperty( this, 'id', { value: _id$2 ++ } );\n\n\t\t/**\n\t\t * The name of the buffer attribute.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The array holding the attribute data. It should have `itemSize * numVertices`\n\t\t * elements, where `numVertices` is the number of vertices in the associated geometry.\n\t\t *\n\t\t * @type {TypedArray}\n\t\t */\n\t\tthis.array = array;\n\n\t\t/**\n\t\t * The number of values of the array that should be associated with a particular vertex.\n\t\t * For instance, if this attribute is storing a 3-component vector (such as a position,\n\t\t * normal, or color), then the value should be `3`.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.itemSize = itemSize;\n\n\t\t/**\n\t\t * Represents the number of items this buffer attribute stores. It is internally computed\n\t\t * by dividing the `array` length by the `itemSize`.\n\t\t *\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\n\t\t/**\n\t\t * Applies to integer data only. Indicates how the underlying data in the buffer maps to\n\t\t * the values in the GLSL code. For instance, if `array` is an instance of `UInt16Array`,\n\t\t * and `normalized` is `true`, the values `0 - +65535` in the array data will be mapped to\n\t\t * `0.0f - +1.0f` in the GLSL attribute. If `normalized` is `false`, the values will be converted\n\t\t * to floats unmodified, i.e. `65535` becomes `65535.0f`.\n\t\t *\n\t\t * @type {boolean}\n\t\t */\n\t\tthis.normalized = normalized;\n\n\t\t/**\n\t\t * Defines the intended usage pattern of the data store for optimization purposes.\n\t\t *\n\t\t * Note: After the initial use of a buffer, its usage cannot be changed. Instead,\n\t\t * instantiate a new one and set the desired usage before the next render.\n\t\t *\n\t\t * @type {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)}\n\t\t * @default StaticDrawUsage\n\t\t */\n\t\tthis.usage = StaticDrawUsage;\n\n\t\t/**\n\t\t * This can be used to only update some components of stored vectors (for example, just the\n\t\t * component related to color). Use the `addUpdateRange()` function to add ranges to this array.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.updateRanges = [];\n\n\t\t/**\n\t\t * Configures the bound GPU type for use in shaders.\n\t\t *\n\t\t * Note: this only has an effect for integer arrays and is not configurable for float arrays.\n\t\t * For lower precision float types, use `Float16BufferAttribute`.\n\t\t *\n\t\t * @type {(FloatType|IntType)}\n\t\t * @default FloatType\n\t\t */\n\t\tthis.gpuType = FloatType;\n\n\t\t/**\n\t\t * A version number, incremented every time the `needsUpdate` is set to `true`.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.version = 0;\n\n\t}\n\n\t/**\n\t * A callback function that is executed after the renderer has transferred the attribute\n\t * array data to the GPU.\n\t */\n\tonUploadCallback() {}\n\n\t/**\n\t * Flag to indicate that this attribute has changed and should be re-sent to\n\t * the GPU. Set this to `true` when you modify the value of the array.\n\t *\n\t * @type {number}\n\t * @default false\n\t * @param {boolean} value\n\t */\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\t/**\n\t * Sets the usage of this buffer attribute.\n\t *\n\t * @param {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)} value - The usage to set.\n\t * @return {BufferAttribute} A reference to this buffer attribute.\n\t */\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds a range of data in the data array to be updated on the GPU.\n\t *\n\t * @param {number} start - Position at which to start update.\n\t * @param {number} count - The number of components to update.\n\t */\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\t/**\n\t * Clears the update ranges.\n\t */\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\t/**\n\t * Copies the values of the given buffer attribute to this instance.\n\t *\n\t * @param {BufferAttribute} source - The buffer attribute to copy.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\t\tthis.gpuType = source.gpuType;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies a vector from the given buffer attribute to this one. The start\n\t * and destination position in the attribute buffers are represented by the\n\t * given indices.\n\t *\n\t * @param {number} index1 - The destination index into this buffer attribute.\n\t * @param {BufferAttribute} attribute - The buffer attribute to copy from.\n\t * @param {number} index2 - The source index into the given buffer attribute.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the given array data into this buffer attribute.\n\t *\n\t * @param {(TypedArray|Array)} array - The array to copy.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the given 3x3 matrix to the given attribute. Works with\n\t * item size `2` and `3`.\n\t *\n\t * @param {Matrix3} m - The matrix to apply.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the given 4x4 matrix to the given attribute. Only works with\n\t * item size `3`.\n\t *\n\t * @param {Matrix4} m - The matrix to apply.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the given 3x3 normal matrix to the given attribute. Only works with\n\t * item size `3`.\n\t *\n\t * @param {Matrix3} m - The normal matrix to apply.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the given 4x4 matrix to the given attribute. Only works with\n\t * item size `3` and with direction vectors.\n\t *\n\t * @param {Matrix4} m - The matrix to apply.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given array data in the buffer attribute.\n\t *\n\t * @param {(TypedArray|Array)} value - The array data to set.\n\t * @param {number} [offset=0] - The offset in this buffer attribute's array.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tset( value, offset = 0 ) {\n\n\t\t// Matching BufferAttribute constructor, do not normalize the array.\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the given component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} component - The component index.\n\t * @return {number} The returned value.\n\t */\n\tgetComponent( index, component ) {\n\n\t\tlet value = this.array[ index * this.itemSize + component ];\n\n\t\tif ( this.normalized ) value = denormalize( value, this.array );\n\n\t\treturn value;\n\n\t}\n\n\t/**\n\t * Sets the given value to the given component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} component - The component index.\n\t * @param {number} value - The value to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetComponent( index, component, value ) {\n\n\t\tif ( this.normalized ) value = normalize( value, this.array );\n\n\t\tthis.array[ index * this.itemSize + component ] = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the x component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @return {number} The x component.\n\t */\n\tgetX( index ) {\n\n\t\tlet x = this.array[ index * this.itemSize ];\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\t/**\n\t * Sets the x component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} x - The value to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the y component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @return {number} The y component.\n\t */\n\tgetY( index ) {\n\n\t\tlet y = this.array[ index * this.itemSize + 1 ];\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\t/**\n\t * Sets the y component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} y - The value to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the z component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @return {number} The z component.\n\t */\n\tgetZ( index ) {\n\n\t\tlet z = this.array[ index * this.itemSize + 2 ];\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\t/**\n\t * Sets the z component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} z - The value to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the w component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @return {number} The w component.\n\t */\n\tgetW( index ) {\n\n\t\tlet w = this.array[ index * this.itemSize + 3 ];\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\t/**\n\t * Sets the w component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} w - The value to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the x and y component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} x - The value for the x component to set.\n\t * @param {number} y - The value for the y component to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the x, y and z component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} x - The value for the x component to set.\n\t * @param {number} y - The value for the y component to set.\n\t * @param {number} z - The value for the z component to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the x, y, z and w component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} x - The value for the x component to set.\n\t * @param {number} y - The value for the y component to set.\n\t * @param {number} z - The value for the z component to set.\n\t * @param {number} w - The value for the w component to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given callback function that is executed after the Renderer has transferred\n\t * the attribute array data to the GPU. Can be used to perform clean-up operations after\n\t * the upload when attribute data are not needed anymore on the CPU side.\n\t *\n\t * @param {Function} callback - The `onUpload()` callback.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new buffer attribute with copied values from this instance.\n\t *\n\t * @return {BufferAttribute} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\t/**\n\t * Serializes the buffer attribute into JSON.\n\t *\n\t * @return {Object} A JSON object representing the serialized buffer attribute.\n\t */\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.from( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `Int8` buffer attribute with\n * a plain `Array` instance.\n *\n * @augments BufferAttribute\n */\nclass Int8BufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Int8Array)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `UInt8` buffer attribute with\n * a plain `Array` instance.\n *\n * @augments BufferAttribute\n */\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Uint8Array)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `UInt8Clamped` buffer attribute with\n * a plain `Array` instance.\n *\n * @augments BufferAttribute\n */\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Uint8ClampedArray)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `Int16` buffer attribute with\n * a plain `Array` instance.\n *\n * @augments BufferAttribute\n */\nclass Int16BufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Int16Array)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `UInt16` buffer attribute with\n * a plain `Array` instance.\n *\n * @augments BufferAttribute\n */\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Uint16Array)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `Int32` buffer attribute with\n * a plain `Array` instance.\n *\n * @augments BufferAttribute\n */\nclass Int32BufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Int32Array)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `UInt32` buffer attribute with\n * a plain `Array` instance.\n *\n * @augments BufferAttribute\n */\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Uint32Array)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `Float16` buffer attribute with\n * a plain `Array` instance.\n *\n * This class automatically converts to and from FP16 via `Uint16Array` since `Float16Array`\n * browser support is still problematic.\n *\n * @augments BufferAttribute\n */\nclass Float16BufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Uint16Array)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t\tthis.isFloat16BufferAttribute = true;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = fromHalfFloat( this.array[ index * this.itemSize ] );\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.array[ index * this.itemSize ] = toHalfFloat( x );\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = fromHalfFloat( this.array[ index * this.itemSize + 1 ] );\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.array[ index * this.itemSize + 1 ] = toHalfFloat( y );\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = fromHalfFloat( this.array[ index * this.itemSize + 2 ] );\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.array[ index * this.itemSize + 2 ] = toHalfFloat( z );\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = fromHalfFloat( this.array[ index * this.itemSize + 3 ] );\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.array[ index * this.itemSize + 3 ] = toHalfFloat( w );\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\t\tthis.array[ index + 2 ] = toHalfFloat( z );\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\t\tthis.array[ index + 2 ] = toHalfFloat( z );\n\t\tthis.array[ index + 3 ] = toHalfFloat( w );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Convenient class that can be used when creating a `Float32` buffer attribute with\n * a plain `Array` instance.\n *\n * @augments BufferAttribute\n */\nclass Float32BufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new buffer attribute.\n\t *\n\t * @param {(Array|Float32Array)} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id$1 = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\n/**\n * A representation of mesh, line, or point geometry. Includes vertex\n * positions, face indices, normals, colors, UVs, and custom attributes\n * within buffers, reducing the cost of passing all this data to the GPU.\n *\n * ```js\n * const geometry = new THREE.BufferGeometry();\n * // create a simple square shape. We duplicate the top left and bottom right\n * // vertices because each vertex needs to appear once per triangle.\n * const vertices = new Float32Array( [\n * \t-1.0, -1.0, 1.0, // v0\n * \t 1.0, -1.0, 1.0, // v1\n * \t 1.0, 1.0, 1.0, // v2\n *\n * \t 1.0, 1.0, 1.0, // v3\n * \t-1.0, 1.0, 1.0, // v4\n * \t-1.0, -1.0, 1.0 // v5\n * ] );\n * // itemSize = 3 because there are 3 values (components) per vertex\n * geometry.setAttribute( 'position', new THREE.BufferAttribute( vertices, 3 ) );\n * const material = new THREE.MeshBasicMaterial( { color: 0xff0000 } );\n * const mesh = new THREE.Mesh( geometry, material );\n * ```\n *\n * @augments EventDispatcher\n */\nclass BufferGeometry extends EventDispatcher {\n\n\t/**\n\t * Constructs a new geometry.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isBufferGeometry = true;\n\n\t\t/**\n\t\t * The ID of the geometry.\n\t\t *\n\t\t * @name BufferGeometry#id\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tObject.defineProperty( this, 'id', { value: _id$1 ++ } );\n\n\t\t/**\n\t\t * The UUID of the geometry.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t\t/**\n\t\t * The name of the geometry.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\t/**\n\t\t * Allows for vertices to be re-used across multiple triangles; this is\n\t\t * called using \"indexed triangles\". Each triangle is associated with the\n\t\t * indices of three vertices. This attribute therefore stores the index of\n\t\t * each vertex for each triangular face. If this attribute is not set, the\n\t\t * renderer assumes that each three contiguous positions represent a single triangle.\n\t\t *\n\t\t * @type {?BufferAttribute}\n\t\t * @default null\n\t\t */\n\t\tthis.index = null;\n\n\t\t/**\n\t\t * A (storage) buffer attribute which was generated with a compute shader and\n\t\t * now defines indirect draw calls.\n\t\t *\n\t\t * Can only be used with {@link WebGPURenderer} and a WebGPU backend.\n\t\t *\n\t\t * @type {?BufferAttribute}\n\t\t * @default null\n\t\t */\n\t\tthis.indirect = null;\n\n\t\t/**\n\t\t * This dictionary has as id the name of the attribute to be set and as value\n\t\t * the buffer attribute to set it to. Rather than accessing this property directly,\n\t\t * use `setAttribute()` and `getAttribute()` to access attributes of this geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.attributes = {};\n\n\t\t/**\n\t\t * This dictionary holds the morph targets of the geometry.\n\t\t *\n\t\t * Note: Once the geometry has been rendered, the morph attribute data cannot\n\t\t * be changed. You will have to call `dispose()?, and create a new geometry instance.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.morphAttributes = {};\n\n\t\t/**\n\t\t * Used to control the morph target behavior; when set to `true`, the morph\n\t\t * target data is treated as relative offsets, rather than as absolute\n\t\t * positions/normals.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.morphTargetsRelative = false;\n\n\t\t/**\n\t\t * Split the geometry into groups, each of which will be rendered in a\n\t\t * separate draw call. This allows an array of materials to be used with the geometry.\n\t\t *\n\t\t * Use `addGroup()` and `clearGroups()` to edit groups, rather than modifying this array directly.\n\t\t *\n\t\t * Every vertex and index must belong to exactly one group — groups must not share vertices or\n\t\t * indices, and must not leave vertices or indices unused.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.groups = [];\n\n\t\t/**\n\t\t * Bounding box for the geometry which can be calculated with `computeBoundingBox()`.\n\t\t *\n\t\t * @type {?Box3}\n\t\t * @default null\n\t\t */\n\t\tthis.boundingBox = null;\n\n\t\t/**\n\t\t * Bounding sphere for the geometry which can be calculated with `computeBoundingSphere()`.\n\t\t *\n\t\t * @type {?Sphere}\n\t\t * @default null\n\t\t */\n\t\tthis.boundingSphere = null;\n\n\t\t/**\n\t\t * Determines the part of the geometry to render. This should not be set directly,\n\t\t * instead use `setDrawRange()`.\n\t\t *\n\t\t * @type {{start:number,count:number}}\n\t\t */\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\t/**\n\t\t * An object that can be used to store custom data about the geometry.\n\t\t * It should not hold references to functions as these will not be cloned.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.userData = {};\n\n\t}\n\n\t/**\n\t * Returns the index of this geometry.\n\t *\n\t * @return {?BufferAttribute} The index. Returns `null` if no index is defined.\n\t */\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\t/**\n\t * Sets the given index to this geometry.\n\t *\n\t * @param {Array|BufferAttribute} index - The index to set.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayNeedsUint32( index ) ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given indirect attribute to this geometry.\n\t *\n\t * @param {BufferAttribute} indirect - The attribute holding indirect draw calls.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tsetIndirect( indirect ) {\n\n\t\tthis.indirect = indirect;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the indirect attribute of this geometry.\n\t *\n\t * @return {?BufferAttribute} The indirect attribute. Returns `null` if no indirect attribute is defined.\n\t */\n\tgetIndirect() {\n\n\t\treturn this.indirect;\n\n\t}\n\n\t/**\n\t * Returns the buffer attribute for the given name.\n\t *\n\t * @param {string} name - The attribute name.\n\t * @return {BufferAttribute|InterleavedBufferAttribute|undefined} The buffer attribute.\n\t * Returns `undefined` if not attribute has been found.\n\t */\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\t/**\n\t * Sets the given attribute for the given name.\n\t *\n\t * @param {string} name - The attribute name.\n\t * @param {BufferAttribute|InterleavedBufferAttribute} attribute - The attribute to set.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Deletes the attribute for the given name.\n\t *\n\t * @param {string} name - The attribute name to delete.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this geometry has an attribute for the given name.\n\t *\n\t * @param {string} name - The attribute name.\n\t * @return {boolean} Whether this geometry has an attribute for the given name or not.\n\t */\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\t/**\n\t * Adds a group to this geometry.\n\t *\n\t * @param {number} start - The first element in this draw call. That is the first\n\t * vertex for non-indexed geometry, otherwise the first triangle index.\n\t * @param {number} count - Specifies how many vertices (or indices) are part of this group.\n\t * @param {number} [materialIndex=0] - The material array index to use.\n\t */\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Clears all groups.\n\t */\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\t/**\n\t * Sets the draw range for this geometry.\n\t *\n\t * @param {number} start - The first vertex for non-indexed geometry, otherwise the first triangle index.\n\t * @param {number} count - For non-indexed BufferGeometry, `count` is the number of vertices to render.\n\t * For indexed BufferGeometry, `count` is the number of indices to render.\n\t */\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\t/**\n\t * Applies the given 4x4 transformation matrix to the geometry.\n\t *\n\t * @param {Matrix4} matrix - The matrix to apply.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the rotation represented by the Quaternion to the geometry.\n\t *\n\t * @param {Quaternion} q - The Quaternion to apply.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Rotates the geometry about the X axis. This is typically done as a one time\n\t * operation, and not during a loop. Use {@link Object3D#rotation} for typical\n\t * real-time mesh rotation.\n\t *\n\t * @param {number} angle - The angle in radians.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Rotates the geometry about the Y axis. This is typically done as a one time\n\t * operation, and not during a loop. Use {@link Object3D#rotation} for typical\n\t * real-time mesh rotation.\n\t *\n\t * @param {number} angle - The angle in radians.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Rotates the geometry about the Z axis. This is typically done as a one time\n\t * operation, and not during a loop. Use {@link Object3D#rotation} for typical\n\t * real-time mesh rotation.\n\t *\n\t * @param {number} angle - The angle in radians.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Translates the geometry. This is typically done as a one time\n\t * operation, and not during a loop. Use {@link Object3D#position} for typical\n\t * real-time mesh rotation.\n\t *\n\t * @param {number} x - The x offset.\n\t * @param {number} y - The y offset.\n\t * @param {number} z - The z offset.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Scales the geometry. This is typically done as a one time\n\t * operation, and not during a loop. Use {@link Object3D#scale} for typical\n\t * real-time mesh rotation.\n\t *\n\t * @param {number} x - The x scale.\n\t * @param {number} y - The y scale.\n\t * @param {number} z - The z scale.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Rotates the geometry to face a point in 3D space. This is typically done as a one time\n\t * operation, and not during a loop. Use {@link Object3D#lookAt} for typical\n\t * real-time mesh rotation.\n\t *\n\t * @param {Vector3} vector - The target point.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Center the geometry based on its bounding box.\n\t *\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Defines a geometry by creating a `position` attribute based on the given array of points. The array\n\t * can hold 2D or 3D vectors. When using two-dimensional data, the `z` coordinate for all vertices is\n\t * set to `0`.\n\t *\n\t * If the method is used with an existing `position` attribute, the vertex data are overwritten with the\n\t * data from the array. The length of the array must match the vertex count.\n\t *\n\t * @param {Array|Array} points - The points.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tsetFromPoints( points ) {\n\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute === undefined ) {\n\n\t\t\tconst position = [];\n\n\t\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tconst point = points[ i ];\n\t\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\t} else {\n\n\t\t\tconst l = Math.min( points.length, positionAttribute.count ); // make sure data do not exceed buffer size\n\n\t\t\tfor ( let i = 0; i < l; i ++ ) {\n\n\t\t\t\tconst point = points[ i ];\n\t\t\t\tpositionAttribute.setXYZ( i, point.x, point.y, point.z || 0 );\n\n\t\t\t}\n\n\t\t\tif ( points.length > positionAttribute.count ) {\n\n\t\t\t\twarn( 'BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry.' );\n\n\t\t\t}\n\n\t\t\tpositionAttribute.needsUpdate = true;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes the bounding box of the geometry, and updates the `boundingBox` member.\n\t * The bounding box is not computed by the engine; it must be computed by your app.\n\t * You may need to recompute the bounding box if the geometry vertices are modified.\n\t */\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\terror( 'BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$2.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$2.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$2.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$2.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$2.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\terror( 'BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Computes the bounding sphere of the geometry, and updates the `boundingSphere` member.\n\t * The engine automatically computes the bounding sphere when it is needed, e.g., for ray casting or view frustum culling.\n\t * You may need to recompute the bounding sphere if the geometry vertices are modified.\n\t */\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\terror( 'BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$2.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$2.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$2.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$2.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$2.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$2.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$2.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$2.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\terror( 'BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Calculates and adds a tangent attribute to this geometry.\n\t *\n\t * The computation is only supported for indexed geometries and if position, normal, and uv attributes\n\t * are defined. When using a tangent space normal map, prefer the MikkTSpace algorithm provided by\n\t * {@link BufferGeometryUtils#computeMikkTSpaceTangents} instead.\n\t */\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\terror( 'BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst positionAttribute = attributes.position;\n\t\tconst normalAttribute = attributes.normal;\n\t\tconst uvAttribute = attributes.uv;\n\n\t\tif ( this.hasAttribute( 'tangent' ) === false ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * positionAttribute.count ), 4 ) );\n\n\t\t}\n\n\t\tconst tangentAttribute = this.getAttribute( 'tangent' );\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromBufferAttribute( positionAttribute, a );\n\t\t\tvB.fromBufferAttribute( positionAttribute, b );\n\t\t\tvC.fromBufferAttribute( positionAttribute, c );\n\n\t\t\tuvA.fromBufferAttribute( uvAttribute, a );\n\t\t\tuvB.fromBufferAttribute( uvAttribute, b );\n\t\t\tuvC.fromBufferAttribute( uvAttribute, c );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: index.count\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindex.getX( j + 0 ),\n\t\t\t\t\tindex.getX( j + 1 ),\n\t\t\t\t\tindex.getX( j + 2 )\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromBufferAttribute( normalAttribute, v );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? -1 : 1.0;\n\n\t\t\ttangentAttribute.setXYZW( v, tmp.x, tmp.y, tmp.z, w );\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( index.getX( j + 0 ) );\n\t\t\t\thandleVertex( index.getX( j + 1 ) );\n\t\t\t\thandleVertex( index.getX( j + 2 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Computes vertex normals for the given vertex data. For indexed geometries, the method sets\n\t * each vertex normal to be the average of the face normals of the faces that share that vertex.\n\t * For non-indexed geometries, vertices are not shared, and the method sets each vertex normal\n\t * to be the same as the face normal.\n\t */\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Ensures every normal vector in a geometry will have a magnitude of `1`. This will\n\t * correct lighting on the geometry surfaces.\n\t */\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Return a new non-index version of this indexed geometry. If the geometry\n\t * is already non-indexed, the method is a NOOP.\n\t *\n\t * @return {BufferGeometry} The non-indexed version of this indexed geometry.\n\t */\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\twarn( 'BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\t/**\n\t * Serializes the geometry into JSON.\n\t *\n\t * @return {Object} A JSON object representing the serialized geometry.\n\t */\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.7,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = boundingSphere.toJSON();\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\t/**\n\t * Returns a new geometry with copied values from this instance.\n\t *\n\t * @return {BufferGeometry} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Copies the values of the given geometry to this instance.\n\t *\n\t * @param {BufferGeometry} source - The geometry to copy.\n\t * @return {BufferGeometry} A reference to this instance.\n\t */\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone() );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t *\n\t * @fires BufferGeometry#dispose\n\t */\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nconst _inverseMatrix$3 = /*@__PURE__*/ new Matrix4();\nconst _ray$3 = /*@__PURE__*/ new Ray();\nconst _sphere$6 = /*@__PURE__*/ new Sphere();\nconst _sphereHitAt = /*@__PURE__*/ new Vector3();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _morphA = /*@__PURE__*/ new Vector3();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\n/**\n * Class representing triangular polygon mesh based objects.\n *\n * ```js\n * const geometry = new THREE.BoxGeometry( 1, 1, 1 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const mesh = new THREE.Mesh( geometry, material );\n * scene.add( mesh );\n * ```\n *\n * @augments Object3D\n */\nclass Mesh extends Object3D {\n\n\t/**\n\t * Constructs a new mesh.\n\t *\n\t * @param {BufferGeometry} [geometry] - The mesh geometry.\n\t * @param {Material|Array} [material] - The mesh material.\n\t */\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMesh = true;\n\n\t\tthis.type = 'Mesh';\n\n\t\t/**\n\t\t * The mesh geometry.\n\t\t *\n\t\t * @type {BufferGeometry}\n\t\t */\n\t\tthis.geometry = geometry;\n\n\t\t/**\n\t\t * The mesh material.\n\t\t *\n\t\t * @type {Material|Array}\n\t\t * @default MeshBasicMaterial\n\t\t */\n\t\tthis.material = material;\n\n\t\t/**\n\t\t * A dictionary representing the morph targets in the geometry. The key is the\n\t\t * morph targets name, the value its attribute index. This member is `undefined`\n\t\t * by default and only set when morph targets are detected in the geometry.\n\t\t *\n\t\t * @type {Object|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.morphTargetDictionary = undefined;\n\n\t\t/**\n\t\t * An array of weights typically in the range `[0,1]` that specify how much of the morph\n\t\t * is applied. This member is `undefined` by default and only set when morph targets are\n\t\t * detected in the geometry.\n\t\t *\n\t\t * @type {Array|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.morphTargetInfluences = undefined;\n\n\t\t/**\n\t\t * The number of instances of this mesh.\n\t\t * Can only be used with {@link WebGPURenderer}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.count = 1;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the values of {@link Mesh#morphTargetDictionary} and {@link Mesh#morphTargetInfluences}\n\t * to make sure existing morph targets can influence this 3D object.\n\t */\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns the local-space position of the vertex at the given index, taking into\n\t * account the current animation state of both morph targets and skinning.\n\t *\n\t * @param {number} index - The vertex index.\n\t * @param {Vector3} target - The target object that is used to store the method's result.\n\t * @return {Vector3} The vertex position in local space.\n\t */\n\tgetVertexPosition( index, target ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.attributes.position;\n\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\n\t\ttarget.fromBufferAttribute( position, index );\n\n\t\tconst morphInfluences = this.morphTargetInfluences;\n\n\t\tif ( morphPosition && morphInfluences ) {\n\n\t\t\t_morphA.set( 0, 0, 0 );\n\n\t\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\t\tconst influence = morphInfluences[ i ];\n\t\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t_tempA.fromBufferAttribute( morphAttribute, index );\n\n\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA.sub( target ), influence );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttarget.add( _morphA );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Computes intersection points between a casted ray and this line.\n\t *\n\t * @param {Raycaster} raycaster - The raycaster.\n\t * @param {Array} intersects - The target array that holds the intersection points.\n\t */\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// test with bounding sphere in world space\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$6.copy( geometry.boundingSphere );\n\t\t_sphere$6.applyMatrix4( matrixWorld );\n\n\t\t// check distance from ray origin to bounding sphere\n\n\t\t_ray$3.copy( raycaster.ray ).recast( raycaster.near );\n\n\t\tif ( _sphere$6.containsPoint( _ray$3.origin ) === false ) {\n\n\t\t\tif ( _ray$3.intersectSphere( _sphere$6, _sphereHitAt ) === null ) return;\n\n\t\t\tif ( _ray$3.origin.distanceToSquared( _sphereHitAt ) > ( raycaster.far - raycaster.near ) ** 2 ) return;\n\n\t\t}\n\n\t\t// convert ray to local space of mesh\n\n\t\t_inverseMatrix$3.copy( matrixWorld ).invert();\n\t\t_ray$3.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$3 );\n\n\t\t// test with bounding box in local space\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$3.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\t// test for intersections with geometry\n\n\t\tthis._computeIntersections( raycaster, intersects, _ray$3 );\n\n\t}\n\n\t_computeIntersections( raycaster, intersects, rayLocalSpace ) {\n\n\t\tlet intersection;\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\n\t\tconst index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\t\tconst uv = geometry.attributes.uv;\n\t\tconst uv1 = geometry.attributes.uv1;\n\t\tconst normal = geometry.attributes.normal;\n\t\tconst groups = geometry.groups;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\tif ( index !== null ) {\n\n\t\t\t// indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\tintersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\tintersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( position !== undefined ) {\n\n\t\t\t// non-indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\tintersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = i;\n\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\tintersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection$1( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, ( material.side === FrontSide ), point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkGeometryIntersection( object, material, raycaster, ray, uv, uv1, normal, a, b, c ) {\n\n\tobject.getVertexPosition( a, _vA$1 );\n\tobject.getVertexPosition( b, _vB$1 );\n\tobject.getVertexPosition( c, _vC$1 );\n\n\tconst intersection = checkIntersection$1( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tconst barycoord = new Vector3();\n\t\tTriangle.getBarycoord( _intersectionPoint, _vA$1, _vB$1, _vC$1, barycoord );\n\n\t\tif ( uv ) {\n\n\t\t\tintersection.uv = Triangle.getInterpolatedAttribute( uv, a, b, c, barycoord, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv1 ) {\n\n\t\t\tintersection.uv1 = Triangle.getInterpolatedAttribute( uv1, a, b, c, barycoord, new Vector2() );\n\n\t\t}\n\n\t\tif ( normal ) {\n\n\t\t\tintersection.normal = Triangle.getInterpolatedAttribute( normal, a, b, c, barycoord, new Vector3() );\n\n\t\t\tif ( intersection.normal.dot( ray.direction ) > 0 ) {\n\n\t\t\t\tintersection.normal.multiplyScalar( -1 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\t\tintersection.barycoord = barycoord;\n\n\t}\n\n\treturn intersection;\n\n}\n\n/**\n * A geometry class for a rectangular cuboid with a given width, height, and depth.\n * On creation, the cuboid is centred on the origin, with each edge parallel to one\n * of the axes.\n *\n * ```js\n * const geometry = new THREE.BoxGeometry( 1, 1, 1 );\n * const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );\n * const cube = new THREE.Mesh( geometry, material );\n * scene.add( cube );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#BoxGeometry\n */\nclass BoxGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new box geometry.\n\t *\n\t * @param {number} [width=1] - The width. That is, the length of the edges parallel to the X axis.\n\t * @param {number} [height=1] - The height. That is, the length of the edges parallel to the Y axis.\n\t * @param {number} [depth=1] - The depth. That is, the length of the edges parallel to the Z axis.\n\t * @param {number} [widthSegments=1] - Number of segmented rectangular faces along the width of the sides.\n\t * @param {number} [heightSegments=1] - Number of segmented rectangular faces along the height of the sides.\n\t * @param {number} [depthSegments=1] - Number of segmented rectangular faces along the depth of the sides.\n\t */\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', -1, -1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, -1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, -1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, -1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', -1, -1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : -1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {BoxGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Provides utility functions for managing uniforms.\n *\n * @module UniformsUtils\n */\n\n/**\n * Clones the given uniform definitions by performing a deep-copy. That means\n * if the value of a uniform refers to an object like a Vector3 or Texture,\n * the cloned uniform will refer to a new object reference.\n *\n * @param {Object} src - An object representing uniform definitions.\n * @return {Object} The cloned uniforms.\n */\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tif ( property.isRenderTargetTexture ) {\n\n\t\t\t\t\twarn( 'UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms().' );\n\t\t\t\t\tdst[ u ][ p ] = null;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\n/**\n * Merges the given uniform definitions into a single object. Since the\n * method internally uses cloneUniforms(), it performs a deep-copy when\n * producing the merged uniform definitions.\n *\n * @param {Array} uniforms - An array of objects containing uniform definitions.\n * @return {Object} The merged uniforms.\n */\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\nfunction cloneUniformsGroups( src ) {\n\n\tconst dst = [];\n\n\tfor ( let u = 0; u < src.length; u ++ ) {\n\n\t\tdst.push( src[ u ].clone() );\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction getUnlitUniformColorSpace( renderer ) {\n\n\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\tif ( currentRenderTarget === null ) {\n\n\t\t// https://github.com/mrdoob/three.js/pull/23937#issuecomment-1111067398\n\t\treturn renderer.outputColorSpace;\n\n\t}\n\n\t// https://github.com/mrdoob/three.js/issues/27868\n\tif ( currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\treturn currentRenderTarget.texture.colorSpace;\n\n\t}\n\n\treturn ColorManagement.workingColorSpace;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\n/**\n * A material rendered with custom shaders. A shader is a small program written in GLSL.\n * that runs on the GPU. You may want to use a custom shader if you need to implement an\n * effect not included with any of the built-in materials.\n *\n * There are the following notes to bear in mind when using a `ShaderMaterial`:\n *\n * - `ShaderMaterial` can only be used with {@link WebGLRenderer}.\n * - Built in attributes and uniforms are passed to the shaders along with your code. If\n * you don't want that, use {@link RawShaderMaterial} instead.\n * - You can use the directive `#pragma unroll_loop_start` and `#pragma unroll_loop_end`\n * in order to unroll a `for` loop in GLSL by the shader preprocessor. The directive has\n * to be placed right above the loop. The loop formatting has to correspond to a defined standard.\n * - The loop has to be [normalized](https://en.wikipedia.org/wiki/Normalized_loop).\n * - The loop variable has to be *i*.\n * - The value `UNROLLED_LOOP_INDEX` will be replaced with the explicitly\n * value of *i* for the given iteration and can be used in preprocessor\n * statements.\n *\n * ```js\n * const material = new THREE.ShaderMaterial( {\n * \tuniforms: {\n * \t\ttime: { value: 1.0 },\n * \t\tresolution: { value: new THREE.Vector2() }\n * \t},\n * \tvertexShader: document.getElementById( 'vertexShader' ).textContent,\n * \tfragmentShader: document.getElementById( 'fragmentShader' ).textContent\n * } );\n * ```\n *\n * @augments Material\n */\nclass ShaderMaterial extends Material {\n\n\t/**\n\t * Constructs a new shader material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isShaderMaterial = true;\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\t/**\n\t\t * Defines custom constants using `#define` directives within the GLSL code\n\t\t * for both the vertex shader and the fragment shader; each key/value pair\n\t\t * yields another directive.\n\t\t * ```js\n\t\t * defines: {\n\t\t * \tFOO: 15,\n\t\t * \tBAR: true\n\t\t * }\n\t\t * ```\n\t\t * Yields the lines:\n\t\t * ```\n\t\t * #define FOO 15\n\t\t * #define BAR true\n\t\t * ```\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.defines = {};\n\n\t\t/**\n\t\t * An object of the form:\n\t\t * ```js\n\t\t * {\n\t\t * \t\"uniform1\": { value: 1.0 },\n\t\t * \t\"uniform2\": { value: 2 }\n\t\t * }\n\t\t * ```\n\t\t * specifying the uniforms to be passed to the shader code; keys are uniform\n\t\t * names, values are definitions of the form\n\t\t * ```\n\t\t * {\n\t\t * \tvalue: 1.0\n\t\t * }\n\t\t * ```\n\t\t * where `value` is the value of the uniform. Names must match the name of\n\t\t * the uniform, as defined in the GLSL code. Note that uniforms are refreshed\n\t\t * on every frame, so updating the value of the uniform will immediately\n\t\t * update the value available to the GLSL code.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.uniforms = {};\n\n\t\t/**\n\t\t * An array holding uniforms groups for configuring UBOs.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.uniformsGroups = [];\n\n\t\t/**\n\t\t * Vertex shader GLSL code. This is the actual code for the shader.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.vertexShader = default_vertex;\n\n\t\t/**\n\t\t * Fragment shader GLSL code. This is the actual code for the shader.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.fragmentShader = default_fragment;\n\n\t\t/**\n\t\t * Controls line thickness or lines.\n\t\t *\n\t\t * WebGL and WebGPU ignore this setting and always render line primitives with a\n\t\t * width of one pixel.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.linewidth = 1;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * WebGL and WebGPU ignore this property and always render\n\t\t * 1 pixel wide lines.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\t/**\n\t\t * Define whether the material color is affected by global fog settings; `true`\n\t\t * to pass fog uniforms to the shader.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.fog = false;\n\n\t\t/**\n\t\t * Defines whether this material uses lighting; `true` to pass uniform data\n\t\t * related to lighting to this shader.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.lights = false;\n\n\t\t/**\n\t\t * Defines whether this material supports clipping; `true` to let the renderer\n\t\t * pass the clippingPlanes uniform.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.clipping = false;\n\n\t\t/**\n\t\t * Overwritten and set to `true` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.forceSinglePass = true;\n\n\t\t/**\n\t\t * This object allows to enable certain WebGL 2 extensions.\n\t\t *\n\t\t * - clipCullDistance: set to `true` to use vertex shader clipping\n\t\t * - multiDraw: set to `true` to use vertex shader multi_draw / enable gl_DrawID\n\t\t *\n\t\t * @type {{clipCullDistance:false,multiDraw:false}}\n\t\t */\n\t\tthis.extensions = {\n\t\t\tclipCullDistance: false, // set to use vertex shader clipping\n\t\t\tmultiDraw: false // set to use vertex shader multi_draw / enable gl_DrawID\n\t\t};\n\n\t\t/**\n\t\t * When the rendered geometry doesn't include these attributes but the\n\t\t * material does, these default values will be passed to the shaders. This\n\t\t * avoids errors when buffer data is missing.\n\t\t *\n\t\t * - color: [ 1, 1, 1 ]\n\t\t * - uv: [ 0, 0 ]\n\t\t * - uv1: [ 0, 0 ]\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv1': [ 0, 0 ]\n\t\t};\n\n\t\t/**\n\t\t * If set, this calls [gl.bindAttribLocation](https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/bindAttribLocation)\n\t\t * to bind a generic vertex index to an attribute variable.\n\t\t *\n\t\t * @type {string|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.index0AttributeName = undefined;\n\n\t\t/**\n\t\t * Can be used to force a uniform update while changing uniforms in\n\t\t * {@link Object3D#onBeforeRender}.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\t/**\n\t\t * Defines the GLSL version of custom shader code.\n\t\t *\n\t\t * @type {?(GLSL1|GLSL3)}\n\t\t * @default null\n\t\t */\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\t\tthis.uniformsGroups = cloneUniformsGroups( source.uniformsGroups );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.fog = source.fog;\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tdata.lights = this.lights;\n\t\tdata.clipping = this.clipping;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Abstract base class for cameras. This class should always be inherited\n * when you build a new camera.\n *\n * @abstract\n * @augments Object3D\n */\nclass Camera extends Object3D {\n\n\t/**\n\t * Constructs a new camera.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCamera = true;\n\n\t\tthis.type = 'Camera';\n\n\t\t/**\n\t\t * The inverse of the camera's world matrix.\n\t\t *\n\t\t * @type {Matrix4}\n\t\t */\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\t/**\n\t\t * The camera's projection matrix.\n\t\t *\n\t\t * @type {Matrix4}\n\t\t */\n\t\tthis.projectionMatrix = new Matrix4();\n\n\t\t/**\n\t\t * The inverse of the camera's projection matrix.\n\t\t *\n\t\t * @type {Matrix4}\n\t\t */\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t\t/**\n\t\t * The coordinate system in which the camera is used.\n\t\t *\n\t\t * @type {(WebGLCoordinateSystem|WebGPUCoordinateSystem)}\n\t\t */\n\t\tthis.coordinateSystem = WebGLCoordinateSystem;\n\n\t\tthis._reversedDepth = false;\n\n\t}\n\n\t/**\n\t * The flag that indicates whether the camera uses a reversed depth buffer.\n\t *\n\t * @type {boolean}\n\t * @default false\n\t */\n\tget reversedDepth() {\n\n\t\treturn this._reversedDepth;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\tthis.coordinateSystem = source.coordinateSystem;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a vector representing the (\"look\") direction of the 3D object in world space.\n\t *\n\t * This method is overwritten since cameras have a different forward vector compared to other\n\t * 3D objects. A camera looks down its local, negative z-axis by default.\n\t *\n\t * @param {Vector3} target - The target vector the result is stored to.\n\t * @return {Vector3} The 3D object's direction in world space.\n\t */\n\tgetWorldDirection( target ) {\n\n\t\treturn super.getWorldDirection( target ).negate();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _v3$1 = /*@__PURE__*/ new Vector3();\nconst _minTarget = /*@__PURE__*/ new Vector2();\nconst _maxTarget = /*@__PURE__*/ new Vector2();\n\n/**\n * Camera that uses [perspective projection](https://en.wikipedia.org/wiki/Perspective_(graphical)).\n *\n * This projection mode is designed to mimic the way the human eye sees. It\n * is the most common projection mode used for rendering a 3D scene.\n *\n * ```js\n * const camera = new THREE.PerspectiveCamera( 45, width / height, 1, 1000 );\n * scene.add( camera );\n * ```\n *\n * @augments Camera\n */\nclass PerspectiveCamera extends Camera {\n\n\t/**\n\t * Constructs a new perspective camera.\n\t *\n\t * @param {number} [fov=50] - The vertical field of view.\n\t * @param {number} [aspect=1] - The aspect ratio.\n\t * @param {number} [near=0.1] - The camera's near plane.\n\t * @param {number} [far=2000] - The camera's far plane.\n\t */\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isPerspectiveCamera = true;\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\t/**\n\t\t * The vertical field of view, from bottom to top of view,\n\t\t * in degrees.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 50\n\t\t */\n\t\tthis.fov = fov;\n\n\t\t/**\n\t\t * The zoom factor of the camera.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.zoom = 1;\n\n\t\t/**\n\t\t * The camera's near plane. The valid range is greater than `0`\n\t\t * and less than the current value of {@link PerspectiveCamera#far}.\n\t\t *\n\t\t * Note that, unlike for the {@link OrthographicCamera}, `0` is not a\n\t\t * valid value for a perspective camera's near plane.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.1\n\t\t */\n\t\tthis.near = near;\n\n\t\t/**\n\t\t * The camera's far plane. Must be greater than the\n\t\t * current value of {@link PerspectiveCamera#near}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 2000\n\t\t */\n\t\tthis.far = far;\n\n\t\t/**\n\t\t * Object distance used for stereoscopy and depth-of-field effects. This\n\t\t * parameter does not influence the projection matrix unless a\n\t\t * {@link StereoCamera} is being used.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 10\n\t\t */\n\t\tthis.focus = 10;\n\n\t\t/**\n\t\t * The aspect ratio, usually the canvas width / canvas height.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.aspect = aspect;\n\n\t\t/**\n\t\t * Represents the frustum window specification. This property should not be edited\n\t\t * directly but via {@link PerspectiveCamera#setViewOffset} and {@link PerspectiveCamera#clearViewOffset}.\n\t\t *\n\t\t * @type {?Object}\n\t\t * @default null\n\t\t */\n\t\tthis.view = null;\n\n\t\t/**\n\t\t * Film size used for the larger axis. Default is `35` (millimeters). This\n\t\t * parameter does not influence the projection matrix unless {@link PerspectiveCamera#filmOffset}\n\t\t * is set to a nonzero value.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 35\n\t\t */\n\t\tthis.filmGauge = 35;\n\n\t\t/**\n\t\t * Horizontal off-center offset in the same unit as {@link PerspectiveCamera#filmGauge}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.filmOffset = 0;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current {@link PerspectiveCamera#filmGauge}.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * @param {number} focalLength - Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Returns the focal length from the current {@link PerspectiveCamera#fov} and\n\t * {@link PerspectiveCamera#filmGauge}.\n\t *\n\t * @return {number} The computed focal length.\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\t/**\n\t * Returns the current vertical field of view angle in degrees considering {@link PerspectiveCamera#zoom}.\n\t *\n\t * @return {number} The effective FOV.\n\t */\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\t/**\n\t * Returns the width of the image on the film. If {@link PerspectiveCamera#aspect} is greater than or\n\t * equal to one (landscape format), the result equals {@link PerspectiveCamera#filmGauge}.\n\t *\n\t * @return {number} The film width.\n\t */\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Returns the height of the image on the film. If {@link PerspectiveCamera#aspect} is greater than or\n\t * equal to one (landscape format), the result equals {@link PerspectiveCamera#filmGauge}.\n\t *\n\t * @return {number} The film width.\n\t */\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Computes the 2D bounds of the camera's viewable rectangle at a given distance along the viewing direction.\n\t * Sets `minTarget` and `maxTarget` to the coordinates of the lower-left and upper-right corners of the view rectangle.\n\t *\n\t * @param {number} distance - The viewing distance.\n\t * @param {Vector2} minTarget - The lower-left corner of the view rectangle is written into this vector.\n\t * @param {Vector2} maxTarget - The upper-right corner of the view rectangle is written into this vector.\n\t */\n\tgetViewBounds( distance, minTarget, maxTarget ) {\n\n\t\t_v3$1.set( -1, -1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );\n\n\t\tminTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );\n\n\t\t_v3$1.set( 1, 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );\n\n\t\tmaxTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );\n\n\t}\n\n\t/**\n\t * Computes the width and height of the camera's viewable rectangle at a given distance along the viewing direction.\n\t *\n\t * @param {number} distance - The viewing distance.\n\t * @param {Vector2} target - The target vector that is used to store result where x is width and y is height.\n\t * @returns {Vector2} The view size.\n\t */\n\tgetViewSize( distance, target ) {\n\n\t\tthis.getViewBounds( distance, _minTarget, _maxTarget );\n\n\t\treturn target.subVectors( _maxTarget, _minTarget );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *```\n\t * +---+---+---+\n\t * | A | B | C |\n\t * +---+---+---+\n\t * | D | E | F |\n\t * +---+---+---+\n\t *```\n\t * then for each monitor you would call it like this:\n\t *```js\n\t * const w = 1920;\n\t * const h = 1080;\n\t * const fullWidth = w * 3;\n\t * const fullHeight = h * 2;\n\t *\n\t * // --A--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t * // --B--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t * // --C--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t * // --D--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t * // --E--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t * // --F--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t * ```\n\t *\n\t * Note there is no reason monitors have to be the same size or in a grid.\n\t *\n\t * @param {number} fullWidth - The full width of multiview setup.\n\t * @param {number} fullHeight - The full height of multiview setup.\n\t * @param {number} x - The horizontal offset of the subcamera.\n\t * @param {number} y - The vertical offset of the subcamera.\n\t * @param {number} width - The width of subcamera.\n\t * @param {number} height - The height of subcamera.\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Removes the view offset from the projection matrix.\n\t */\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Updates the camera's projection matrix. Must be called after any change of\n\t * camera properties.\n\t */\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = -0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far, this.coordinateSystem, this.reversedDepth );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst fov = -90; // negative fov is not an error\nconst aspect = 1;\n\n/**\n * A special type of camera that is positioned in 3D space to render its surroundings into a\n * cube render target. The render target can then be used as an environment map for rendering\n * realtime reflections in your scene.\n *\n * ```js\n * // Create cube render target\n * const cubeRenderTarget = new THREE.WebGLCubeRenderTarget( 256, { generateMipmaps: true, minFilter: THREE.LinearMipmapLinearFilter } );\n *\n * // Create cube camera\n * const cubeCamera = new THREE.CubeCamera( 1, 100000, cubeRenderTarget );\n * scene.add( cubeCamera );\n *\n * // Create car\n * const chromeMaterial = new THREE.MeshLambertMaterial( { color: 0xffffff, envMap: cubeRenderTarget.texture } );\n * const car = new THREE.Mesh( carGeometry, chromeMaterial );\n * scene.add( car );\n *\n * // Update the render target cube\n * car.visible = false;\n * cubeCamera.position.copy( car.position );\n * cubeCamera.update( renderer, scene );\n *\n * // Render the scene\n * car.visible = true;\n * renderer.render( scene, camera );\n * ```\n *\n * @augments Object3D\n */\nclass CubeCamera extends Object3D {\n\n\t/**\n\t * Constructs a new cube camera.\n\t *\n\t * @param {number} near - The camera's near plane.\n\t * @param {number} far - The camera's far plane.\n\t * @param {WebGLCubeRenderTarget} renderTarget - The cube render target.\n\t */\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\t/**\n\t\t * A reference to the cube render target.\n\t\t *\n\t\t * @type {WebGLCubeRenderTarget}\n\t\t */\n\t\tthis.renderTarget = renderTarget;\n\n\t\t/**\n\t\t * The current active coordinate system.\n\t\t *\n\t\t * @type {?(WebGLCoordinateSystem|WebGPUCoordinateSystem)}\n\t\t * @default null\n\t\t */\n\t\tthis.coordinateSystem = null;\n\n\t\t/**\n\t\t * The current active mipmap level\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.activeMipmapLevel = 0;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\t/**\n\t * Must be called when the coordinate system of the cube camera is changed.\n\t */\n\tupdateCoordinateSystem() {\n\n\t\tconst coordinateSystem = this.coordinateSystem;\n\n\t\tconst cameras = this.children.concat();\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = cameras;\n\n\t\tfor ( const camera of cameras ) this.remove( camera );\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tcameraPX.up.set( 0, 1, 0 );\n\t\t\tcameraPX.lookAt( 1, 0, 0 );\n\n\t\t\tcameraNX.up.set( 0, 1, 0 );\n\t\t\tcameraNX.lookAt( -1, 0, 0 );\n\n\t\t\tcameraPY.up.set( 0, 0, -1 );\n\t\t\tcameraPY.lookAt( 0, 1, 0 );\n\n\t\t\tcameraNY.up.set( 0, 0, 1 );\n\t\t\tcameraNY.lookAt( 0, -1, 0 );\n\n\t\t\tcameraPZ.up.set( 0, 1, 0 );\n\t\t\tcameraPZ.lookAt( 0, 0, 1 );\n\n\t\t\tcameraNZ.up.set( 0, 1, 0 );\n\t\t\tcameraNZ.lookAt( 0, 0, -1 );\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tcameraPX.up.set( 0, -1, 0 );\n\t\t\tcameraPX.lookAt( -1, 0, 0 );\n\n\t\t\tcameraNX.up.set( 0, -1, 0 );\n\t\t\tcameraNX.lookAt( 1, 0, 0 );\n\n\t\t\tcameraPY.up.set( 0, 0, 1 );\n\t\t\tcameraPY.lookAt( 0, 1, 0 );\n\n\t\t\tcameraNY.up.set( 0, 0, -1 );\n\t\t\tcameraNY.lookAt( 0, -1, 0 );\n\n\t\t\tcameraPZ.up.set( 0, -1, 0 );\n\t\t\tcameraPZ.lookAt( 0, 0, 1 );\n\n\t\t\tcameraNZ.up.set( 0, -1, 0 );\n\t\t\tcameraNZ.lookAt( 0, 0, -1 );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tfor ( const camera of cameras ) {\n\n\t\t\tthis.add( camera );\n\n\t\t\tcamera.updateMatrixWorld();\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Calling this method will render the given scene with the given renderer\n\t * into the cube render target of the camera.\n\t *\n\t * @param {(Renderer|WebGLRenderer)} renderer - The renderer.\n\t * @param {Scene} scene - The scene to render.\n\t */\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst { renderTarget, activeMipmapLevel } = this;\n\n\t\tif ( this.coordinateSystem !== renderer.coordinateSystem ) {\n\n\t\t\tthis.coordinateSystem = renderer.coordinateSystem;\n\n\t\t\tthis.updateCoordinateSystem();\n\n\t\t}\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst currentActiveCubeFace = renderer.getActiveCubeFace();\n\t\tconst currentActiveMipmapLevel = renderer.getActiveMipmapLevel();\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\t// mipmaps are generated during the last call of render()\n\t\t// at this point, all sides of the cube render target are defined\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t\trenderTarget.texture.needsPMREMUpdate = true;\n\n\t}\n\n}\n\n/**\n * Creates a cube texture made up of six images.\n *\n * ```js\n * const loader = new THREE.CubeTextureLoader();\n * loader.setPath( 'textures/cube/pisa/' );\n *\n * const textureCube = loader.load( [\n * \t'px.png', 'nx.png', 'py.png', 'ny.png', 'pz.png', 'nz.png'\n * ] );\n *\n * const material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube } );\n * ```\n *\n * @augments Texture\n */\nclass CubeTexture extends Texture {\n\n\t/**\n\t * Constructs a new cube texture.\n\t *\n\t * @param {Array} [images=[]] - An array holding a image for each side of a cube.\n\t * @param {number} [mapping=CubeReflectionMapping] - The texture mapping.\n\t * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.\n\t * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.\n\t * @param {number} [magFilter=LinearFilter] - The mag filter value.\n\t * @param {number} [minFilter=LinearMipmapLinearFilter] - The min filter value.\n\t * @param {number} [format=RGBAFormat] - The texture format.\n\t * @param {number} [type=UnsignedByteType] - The texture type.\n\t * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.\n\t * @param {string} [colorSpace=NoColorSpace] - The color space value.\n\t */\n\tconstructor( images = [], mapping = CubeReflectionMapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ) {\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCubeTexture = true;\n\n\t\t/**\n\t\t * If set to `true`, the texture is flipped along the vertical axis when\n\t\t * uploaded to the GPU.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flipY = false;\n\n\t}\n\n\t/**\n\t * Alias for {@link CubeTexture#image}.\n\t *\n\t * @type {Array}\n\t */\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\n/**\n * A cube render target used in context of {@link WebGLRenderer}.\n *\n * @augments WebGLRenderTarget\n */\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\t/**\n\t * Constructs a new cube render target.\n\t *\n\t * @param {number} [size=1] - The size of the render target.\n\t * @param {RenderTarget~Options} [options] - The configuration object.\n\t */\n\tconstructor( size = 1, options = {} ) {\n\n\t\tsuper( size, size, options );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isWebGLCubeRenderTarget = true;\n\n\t\tconst image = { width: size, height: size, depth: 1 };\n\t\tconst images = [ image, image, image, image, image, image ];\n\n\t\t/**\n\t\t * Overwritten with a different texture type.\n\t\t *\n\t\t * @type {DataArrayTexture}\n\t\t */\n\t\tthis.texture = new CubeTexture( images );\n\t\tthis._setTextureOptions( options );\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n\t/**\n\t * Converts the given equirectangular texture to a cube map.\n\t *\n\t * @param {WebGLRenderer} renderer - The renderer.\n\t * @param {Texture} texture - The equirectangular texture.\n\t * @return {WebGLCubeRenderTarget} A reference to this cube render target.\n\t */\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.colorSpace = texture.colorSpace;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Clears this cube render target.\n\t *\n\t * @param {WebGLRenderer} renderer - The renderer.\n\t * @param {boolean} [color=true] - Whether the color buffer should be cleared or not.\n\t * @param {boolean} [depth=true] - Whether the depth buffer should be cleared or not.\n\t * @param {boolean} [stencil=true] - Whether the stencil buffer should be cleared or not.\n\t */\n\tclear( renderer, color = true, depth = true, stencil = true ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\n/**\n * This is almost identical to an {@link Object3D}. Its purpose is to\n * make working with groups of objects syntactically clearer.\n *\n * ```js\n * // Create a group and add the two cubes.\n * // These cubes can now be rotated / scaled etc as a group.\n * const group = new THREE.Group();\n *\n * group.add( meshA );\n * group.add( meshB );\n *\n * scene.add( group );\n * ```\n *\n * @augments Object3D\n */\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isGroup = true;\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nconst _moveEvent = { type: 'move' };\n\n/**\n * Class for representing a XR controller with its\n * different coordinate systems.\n *\n * @private\n */\nclass WebXRController {\n\n\t/**\n\t * Constructs a new XR controller.\n\t */\n\tconstructor() {\n\n\t\t/**\n\t\t * A group representing the target ray space\n\t\t * of the XR controller.\n\t\t *\n\t\t * @private\n\t\t * @type {?Group}\n\t\t * @default null\n\t\t */\n\t\tthis._targetRay = null;\n\n\t\t/**\n\t\t * A group representing the grip space\n\t\t * of the XR controller.\n\t\t *\n\t\t * @private\n\t\t * @type {?Group}\n\t\t * @default null\n\t\t */\n\t\tthis._grip = null;\n\n\t\t/**\n\t\t * A group representing the hand space\n\t\t * of the XR controller.\n\t\t *\n\t\t * @private\n\t\t * @type {?Group}\n\t\t * @default null\n\t\t */\n\t\tthis._hand = null;\n\n\t}\n\n\t/**\n\t * Returns a group representing the hand space of the XR controller.\n\t *\n\t * @return {Group} A group representing the hand space of the XR controller.\n\t */\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\t/**\n\t * Returns a group representing the target ray space of the XR controller.\n\t *\n\t * @return {Group} A group representing the target ray space of the XR controller.\n\t */\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\t/**\n\t * Returns a group representing the grip space of the XR controller.\n\t *\n\t * @return {Group} A group representing the grip space of the XR controller.\n\t */\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\t/**\n\t * Dispatches the given event to the groups representing\n\t * the different coordinate spaces of the XR controller.\n\t *\n\t * @param {Object} event - The event to dispatch.\n\t * @return {WebXRController} A reference to this instance.\n\t */\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Connects the controller with the given XR input source.\n\t *\n\t * @param {XRInputSource} inputSource - The input source.\n\t * @return {WebXRController} A reference to this instance.\n\t */\n\tconnect( inputSource ) {\n\n\t\tif ( inputSource && inputSource.hand ) {\n\n\t\t\tconst hand = this._hand;\n\n\t\t\tif ( hand ) {\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Initialize hand with joints when connected\n\t\t\t\t\tthis._getHandJoint( hand, inputjoint );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Disconnects the controller from the given XR input source.\n\t *\n\t * @param {XRInputSource} inputSource - The input source.\n\t * @return {WebXRController} A reference to this instance.\n\t */\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Updates the controller with the given input source, XR frame and reference space.\n\t * This updates the transformations of the groups that represent the different\n\t * coordinate systems of the controller.\n\t *\n\t * @param {XRInputSource} inputSource - The input source.\n\t * @param {XRFrame} frame - The XR frame.\n\t * @param {XRReferenceSpace} referenceSpace - The reference space.\n\t * @return {WebXRController} A reference to this instance.\n\t */\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\tconst joint = this._getHandJoint( hand, inputjoint );\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.matrixWorldNeedsUpdate = true;\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\t\t\t\t\t\tgrip.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\t// Some runtimes (namely Vive Cosmos with Vive OpenXR Runtime) have only grip space and ray space is equal to it\n\t\t\t\tif ( inputPose === null && gripPose !== null ) {\n\n\t\t\t\t\tinputPose = gripPose;\n\n\t\t\t\t}\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\t\t\t\t\ttargetRay.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a group representing the hand joint for the given input joint.\n\t *\n\t * @private\n\t * @param {Group} hand - The group representing the hand space.\n\t * @param {XRJointSpace} inputjoint - The hand joint data.\n\t * @return {Group} A group representing the hand joint for the given input joint.\n\t */\n\t_getHandJoint( hand, inputjoint ) {\n\n\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\tconst joint = new Group();\n\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\tjoint.visible = false;\n\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\n\t\t\thand.add( joint );\n\n\t\t}\n\n\t\treturn hand.joints[ inputjoint.jointName ];\n\n\t}\n\n}\n\n/**\n * This class can be used to define an exponential squared fog,\n * which gives a clear view near the camera and a faster than exponentially\n * densening fog farther from the camera.\n *\n * ```js\n * const scene = new THREE.Scene();\n * scene.fog = new THREE.FogExp2( 0xcccccc, 0.002 );\n * ```\n */\nclass FogExp2 {\n\n\t/**\n\t * Constructs a new fog.\n\t *\n\t * @param {number|Color} color - The fog's color.\n\t * @param {number} [density=0.00025] - Defines how fast the fog will grow dense.\n\t */\n\tconstructor( color, density = 0.00025 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isFogExp2 = true;\n\n\t\t/**\n\t\t * The name of the fog.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The fog's color.\n\t\t *\n\t\t * @type {Color}\n\t\t */\n\t\tthis.color = new Color( color );\n\n\t\t/**\n\t\t * Defines how fast the fog will grow dense.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.00025\n\t\t */\n\t\tthis.density = density;\n\n\t}\n\n\t/**\n\t * Returns a new fog with copied values from this instance.\n\t *\n\t * @return {FogExp2} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\t/**\n\t * Serializes the fog into JSON.\n\t *\n\t * @param {?(Object|string)} meta - An optional value holding meta information about the serialization.\n\t * @return {Object} A JSON object representing the serialized fog\n\t */\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tname: this.name,\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\n/**\n * This class can be used to define a linear fog that grows linearly denser\n * with the distance.\n *\n * ```js\n * const scene = new THREE.Scene();\n * scene.fog = new THREE.Fog( 0xcccccc, 10, 15 );\n * ```\n */\nclass Fog {\n\n\t/**\n\t * Constructs a new fog.\n\t *\n\t * @param {number|Color} color - The fog's color.\n\t * @param {number} [near=1] - The minimum distance to start applying fog.\n\t * @param {number} [far=1000] - The maximum distance at which fog stops being calculated and applied.\n\t */\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isFog = true;\n\n\t\t/**\n\t\t * The name of the fog.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The fog's color.\n\t\t *\n\t\t * @type {Color}\n\t\t */\n\t\tthis.color = new Color( color );\n\n\t\t/**\n\t\t * The minimum distance to start applying fog. Objects that are less than\n\t\t * `near` units from the active camera won't be affected by fog.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.near = near;\n\n\t\t/**\n\t\t * The maximum distance at which fog stops being calculated and applied.\n\t\t * Objects that are more than `far` units away from the active camera won't\n\t\t * be affected by fog.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1000\n\t\t */\n\t\tthis.far = far;\n\n\t}\n\n\t/**\n\t * Returns a new fog with copied values from this instance.\n\t *\n\t * @return {Fog} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\t/**\n\t * Serializes the fog into JSON.\n\t *\n\t * @param {?(Object|string)} meta - An optional value holding meta information about the serialization.\n\t * @return {Object} A JSON object representing the serialized fog\n\t */\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tname: this.name,\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\n/**\n * Scenes allow you to set up what is to be rendered and where by three.js.\n * This is where you place 3D objects like meshes, lines or lights.\n *\n * @augments Object3D\n */\nclass Scene extends Object3D {\n\n\t/**\n\t * Constructs a new scene.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isScene = true;\n\n\t\tthis.type = 'Scene';\n\n\t\t/**\n\t\t * Defines the background of the scene. Valid inputs are:\n\t\t *\n\t\t * - A color for defining a uniform colored background.\n\t\t * - A texture for defining a (flat) textured background.\n\t\t * - Cube textures or equirectangular textures for defining a skybox.\n\t\t *\n\t\t * @type {?(Color|Texture)}\n\t\t * @default null\n\t\t */\n\t\tthis.background = null;\n\n\t\t/**\n\t\t * Sets the environment map for all physical materials in the scene. However,\n\t\t * it's not possible to overwrite an existing texture assigned to the `envMap`\n\t\t * material property.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.environment = null;\n\n\t\t/**\n\t\t * A fog instance defining the type of fog that affects everything\n\t\t * rendered in the scene.\n\t\t *\n\t\t * @type {?(Fog|FogExp2)}\n\t\t * @default null\n\t\t */\n\t\tthis.fog = null;\n\n\t\t/**\n\t\t * Sets the blurriness of the background. Only influences environment maps\n\t\t * assigned to {@link Scene#background}. Valid input is a float between `0`\n\t\t * and `1`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.backgroundBlurriness = 0;\n\n\t\t/**\n\t\t * Attenuates the color of the background. Only applies to background textures.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.backgroundIntensity = 1;\n\n\t\t/**\n\t\t * The rotation of the background in radians. Only influences environment maps\n\t\t * assigned to {@link Scene#background}.\n\t\t *\n\t\t * @type {Euler}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.backgroundRotation = new Euler();\n\n\t\t/**\n\t\t * Attenuates the color of the environment. Only influences environment maps\n\t\t * assigned to {@link Scene#environment}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.environmentIntensity = 1;\n\n\t\t/**\n\t\t * The rotation of the environment map in radians. Only influences physical materials\n\t\t * in the scene when {@link Scene#environment} is used.\n\t\t *\n\t\t * @type {Euler}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.environmentRotation = new Euler();\n\n\t\t/**\n\t\t * Forces everything in the scene to be rendered with the defined material. It is possible\n\t\t * to exclude materials from override by setting {@link Material#allowOverride} to `false`.\n\t\t *\n\t\t * @type {?Material}\n\t\t * @default null\n\t\t */\n\t\tthis.overrideMaterial = null;\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tthis.backgroundBlurriness = source.backgroundBlurriness;\n\t\tthis.backgroundIntensity = source.backgroundIntensity;\n\t\tthis.backgroundRotation.copy( source.backgroundRotation );\n\n\t\tthis.environmentIntensity = source.environmentIntensity;\n\t\tthis.environmentRotation.copy( source.environmentRotation );\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\tif ( this.backgroundBlurriness > 0 ) data.object.backgroundBlurriness = this.backgroundBlurriness;\n\t\tif ( this.backgroundIntensity !== 1 ) data.object.backgroundIntensity = this.backgroundIntensity;\n\t\tdata.object.backgroundRotation = this.backgroundRotation.toArray();\n\n\t\tif ( this.environmentIntensity !== 1 ) data.object.environmentIntensity = this.environmentIntensity;\n\t\tdata.object.environmentRotation = this.environmentRotation.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * \"Interleaved\" means that multiple attributes, possibly of different types,\n * (e.g., position, normal, uv, color) are packed into a single array buffer.\n *\n * An introduction into interleaved arrays can be found here: [Interleaved array basics](https://blog.tojicode.com/2011/05/interleaved-array-basics.html)\n */\nclass InterleavedBuffer {\n\n\t/**\n\t * Constructs a new interleaved buffer.\n\t *\n\t * @param {TypedArray} array - A typed array with a shared buffer storing attribute data.\n\t * @param {number} stride - The number of typed-array elements per vertex.\n\t */\n\tconstructor( array, stride ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isInterleavedBuffer = true;\n\n\t\t/**\n\t\t * A typed array with a shared buffer storing attribute data.\n\t\t *\n\t\t * @type {TypedArray}\n\t\t */\n\t\tthis.array = array;\n\n\t\t/**\n\t\t * The number of typed-array elements per vertex.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.stride = stride;\n\n\t\t/**\n\t\t * The total number of elements in the array\n\t\t *\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\t/**\n\t\t * Defines the intended usage pattern of the data store for optimization purposes.\n\t\t *\n\t\t * Note: After the initial use of a buffer, its usage cannot be changed. Instead,\n\t\t * instantiate a new one and set the desired usage before the next render.\n\t\t *\n\t\t * @type {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)}\n\t\t * @default StaticDrawUsage\n\t\t */\n\t\tthis.usage = StaticDrawUsage;\n\n\t\t/**\n\t\t * This can be used to only update some components of stored vectors (for example, just the\n\t\t * component related to color). Use the `addUpdateRange()` function to add ranges to this array.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.updateRanges = [];\n\n\t\t/**\n\t\t * A version number, incremented every time the `needsUpdate` is set to `true`.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.version = 0;\n\n\t\t/**\n\t\t * The UUID of the interleaved buffer.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\t/**\n\t * A callback function that is executed after the renderer has transferred the attribute array\n\t * data to the GPU.\n\t */\n\tonUploadCallback() {}\n\n\t/**\n\t * Flag to indicate that this attribute has changed and should be re-sent to\n\t * the GPU. Set this to `true` when you modify the value of the array.\n\t *\n\t * @type {number}\n\t * @default false\n\t * @param {boolean} value\n\t */\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\t/**\n\t * Sets the usage of this interleaved buffer.\n\t *\n\t * @param {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)} value - The usage to set.\n\t * @return {InterleavedBuffer} A reference to this interleaved buffer.\n\t */\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds a range of data in the data array to be updated on the GPU.\n\t *\n\t * @param {number} start - Position at which to start update.\n\t * @param {number} count - The number of components to update.\n\t */\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\t/**\n\t * Clears the update ranges.\n\t */\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\t/**\n\t * Copies the values of the given interleaved buffer to this instance.\n\t *\n\t * @param {InterleavedBuffer} source - The interleaved buffer to copy.\n\t * @return {InterleavedBuffer} A reference to this instance.\n\t */\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies a vector from the given interleaved buffer to this one. The start\n\t * and destination position in the attribute buffers are represented by the\n\t * given indices.\n\t *\n\t * @param {number} index1 - The destination index into this interleaved buffer.\n\t * @param {InterleavedBuffer} interleavedBuffer - The interleaved buffer to copy from.\n\t * @param {number} index2 - The source index into the given interleaved buffer.\n\t * @return {InterleavedBuffer} A reference to this instance.\n\t */\n\tcopyAt( index1, interleavedBuffer, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= interleavedBuffer.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = interleavedBuffer.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given array data in the interleaved buffer.\n\t *\n\t * @param {(TypedArray|Array)} value - The array data to set.\n\t * @param {number} [offset=0] - The offset in this interleaved buffer's array.\n\t * @return {InterleavedBuffer} A reference to this instance.\n\t */\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new interleaved buffer with copied values from this instance.\n\t *\n\t * @param {Object} [data] - An object with shared array buffers that allows to retain shared structures.\n\t * @return {InterleavedBuffer} A clone of this instance.\n\t */\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\t/**\n\t * Sets the given callback function that is executed after the Renderer has transferred\n\t * the array data to the GPU. Can be used to perform clean-up operations after\n\t * the upload when data are not needed anymore on the CPU side.\n\t *\n\t * @param {Function} callback - The `onUpload()` callback.\n\t * @return {InterleavedBuffer} A reference to this instance.\n\t */\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Serializes the interleaved buffer into JSON.\n\t *\n\t * @param {Object} [data] - An optional value holding meta information about the serialization.\n\t * @return {Object} A JSON object representing the serialized interleaved buffer.\n\t */\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.from( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\n/**\n * An alternative version of a buffer attribute with interleaved data. Interleaved\n * attributes share a common interleaved data storage ({@link InterleavedBuffer}) and refer with\n * different offsets into the buffer.\n */\nclass InterleavedBufferAttribute {\n\n\t/**\n\t * Constructs a new interleaved buffer attribute.\n\t *\n\t * @param {InterleavedBuffer} interleavedBuffer - The buffer holding the interleaved data.\n\t * @param {number} itemSize - The item size.\n\t * @param {number} offset - The attribute offset into the buffer.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isInterleavedBufferAttribute = true;\n\n\t\t/**\n\t\t * The name of the buffer attribute.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The buffer holding the interleaved data.\n\t\t *\n\t\t * @type {InterleavedBuffer}\n\t\t */\n\t\tthis.data = interleavedBuffer;\n\n\t\t/**\n\t\t * The item size, see {@link BufferAttribute#itemSize}.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.itemSize = itemSize;\n\n\t\t/**\n\t\t * The attribute offset into the buffer.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.offset = offset;\n\n\t\t/**\n\t\t * Whether the data are normalized or not, see {@link BufferAttribute#normalized}\n\t\t *\n\t\t * @type {InterleavedBuffer}\n\t\t */\n\t\tthis.normalized = normalized;\n\n\t}\n\n\t/**\n\t * The item count of this buffer attribute.\n\t *\n\t * @type {number}\n\t * @readonly\n\t */\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\t/**\n\t * The array holding the interleaved buffer attribute data.\n\t *\n\t * @type {TypedArray}\n\t */\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\t/**\n\t * Flag to indicate that this attribute has changed and should be re-sent to\n\t * the GPU. Set this to `true` when you modify the value of the array.\n\t *\n\t * @type {number}\n\t * @default false\n\t * @param {boolean} value\n\t */\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\t/**\n\t * Applies the given 4x4 matrix to the given attribute. Only works with\n\t * item size `3`.\n\t *\n\t * @param {Matrix4} m - The matrix to apply.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the given 3x3 normal matrix to the given attribute. Only works with\n\t * item size `3`.\n\t *\n\t * @param {Matrix3} m - The normal matrix to apply.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Applies the given 4x4 matrix to the given attribute. Only works with\n\t * item size `3` and with direction vectors.\n\t *\n\t * @param {Matrix4} m - The matrix to apply.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the given component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} component - The component index.\n\t * @return {number} The returned value.\n\t */\n\tgetComponent( index, component ) {\n\n\t\tlet value = this.array[ index * this.data.stride + this.offset + component ];\n\n\t\tif ( this.normalized ) value = denormalize( value, this.array );\n\n\t\treturn value;\n\n\t}\n\n\t/**\n\t * Sets the given value to the given component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} component - The component index.\n\t * @param {number} value - The value to set.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tsetComponent( index, component, value ) {\n\n\t\tif ( this.normalized ) value = normalize( value, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + component ] = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the x component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} x - The value to set.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the y component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} y - The value to set.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the z component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} z - The value to set.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the w component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} w - The value to set.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the x component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @return {number} The x component.\n\t */\n\tgetX( index ) {\n\n\t\tlet x = this.data.array[ index * this.data.stride + this.offset ];\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\t/**\n\t * Returns the y component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @return {number} The y component.\n\t */\n\tgetY( index ) {\n\n\t\tlet y = this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\t/**\n\t * Returns the z component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @return {number} The z component.\n\t */\n\tgetZ( index ) {\n\n\t\tlet z = this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\t/**\n\t * Returns the w component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @return {number} The w component.\n\t */\n\tgetW( index ) {\n\n\t\tlet w = this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\t/**\n\t * Sets the x and y component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} x - The value for the x component to set.\n\t * @param {number} y - The value for the y component to set.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the x, y and z component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} x - The value for the x component to set.\n\t * @param {number} y - The value for the y component to set.\n\t * @param {number} z - The value for the z component to set.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the x, y, z and w component of the vector at the given index.\n\t *\n\t * @param {number} index - The index into the buffer attribute.\n\t * @param {number} x - The value for the x component to set.\n\t * @param {number} y - The value for the y component to set.\n\t * @param {number} z - The value for the z component to set.\n\t * @param {number} w - The value for the w component to set.\n\t * @return {InterleavedBufferAttribute} A reference to this instance.\n\t */\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new buffer attribute with copied values from this instance.\n\t *\n\t * If no parameter is provided, cloning an interleaved buffer attribute will de-interleave buffer data.\n\t *\n\t * @param {Object} [data] - An object with interleaved buffers that allows to retain the interleaved property.\n\t * @return {BufferAttribute|InterleavedBufferAttribute} A clone of this instance.\n\t */\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tlog( 'InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Serializes the buffer attribute into JSON.\n\t *\n\t * If no parameter is provided, cloning an interleaved buffer attribute will de-interleave buffer data.\n\t *\n\t * @param {Object} [data] - An optional value holding meta information about the serialization.\n\t * @return {Object} A JSON object representing the serialized buffer attribute.\n\t */\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tlog( 'InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// de-interleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interleaved attribute\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * A material for rendering instances of {@link Sprite}.\n *\n * ```js\n * const map = new THREE.TextureLoader().load( 'textures/sprite.png' );\n * const material = new THREE.SpriteMaterial( { map: map, color: 0xffffff } );\n *\n * const sprite = new THREE.Sprite( material );\n * sprite.scale.set(200, 200, 1)\n * scene.add( sprite );\n * ```\n *\n * @augments Material\n */\nclass SpriteMaterial extends Material {\n\n\t/**\n\t * Constructs a new sprite material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSpriteMaterial = true;\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff );\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * The rotation of the sprite in radians.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.rotation = 0;\n\n\t\t/**\n\t\t * Specifies whether size of the sprite is attenuated by the camera depth (perspective camera only).\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.sizeAttenuation = true;\n\n\t\t/**\n\t\t * Overwritten since sprite materials are transparent\n\t\t * by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.transparent = true;\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\n/**\n * A sprite is a plane that always faces towards the camera, generally with a\n * partially transparent texture applied.\n *\n * Sprites do not cast shadows, setting {@link Object3D#castShadow} to `true` will\n * have no effect.\n *\n * ```js\n * const map = new THREE.TextureLoader().load( 'sprite.png' );\n * const material = new THREE.SpriteMaterial( { map: map } );\n *\n * const sprite = new THREE.Sprite( material );\n * scene.add( sprite );\n * ```\n *\n * @augments Object3D\n */\nclass Sprite extends Object3D {\n\n\t/**\n\t * Constructs a new sprite.\n\t *\n\t * @param {(SpriteMaterial|SpriteNodeMaterial)} [material] - The sprite material.\n\t */\n\tconstructor( material = new SpriteMaterial() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSprite = true;\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t-0.5, -0.5, 0, 0, 0,\n\t\t\t\t0.5, -0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t-0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\t/**\n\t\t * The sprite geometry.\n\t\t *\n\t\t * @type {BufferGeometry}\n\t\t */\n\t\tthis.geometry = _geometry;\n\n\t\t/**\n\t\t * The sprite material.\n\t\t *\n\t\t * @type {(SpriteMaterial|SpriteNodeMaterial)}\n\t\t */\n\t\tthis.material = material;\n\n\t\t/**\n\t\t * The sprite's anchor point, and the point around which the sprite rotates.\n\t\t * A value of `(0.5, 0.5)` corresponds to the midpoint of the sprite. A value\n\t\t * of `(0, 0)` corresponds to the lower left corner of the sprite.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (0.5,0.5)\n\t\t */\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t\t/**\n\t\t * The number of instances of this sprite.\n\t\t * Can only be used with {@link WebGPURenderer}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.count = 1;\n\n\t}\n\n\t/**\n\t * Computes intersection points between a casted ray and this sprite.\n\t *\n\t * @param {Raycaster} raycaster - The raycaster.\n\t * @param {Array} intersects - The target array that holds the intersection points.\n\t */\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\terror( 'Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( -0.5, -0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, -0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( -0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getInterpolation( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\n/**\n * A component for providing a basic Level of Detail (LOD) mechanism.\n *\n * Every LOD level is associated with an object, and rendering can be switched\n * between them at the distances specified. Typically you would create, say,\n * three meshes, one for far away (low detail), one for mid range (medium\n * detail) and one for close up (high detail).\n *\n * ```js\n * const lod = new THREE.LOD();\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n *\n * //Create spheres with 3 levels of detail and create new LOD levels for them\n * for( let i = 0; i < 3; i++ ) {\n *\n * \tconst geometry = new THREE.IcosahedronGeometry( 10, 3 - i );\n * \tconst mesh = new THREE.Mesh( geometry, material );\n * \tlod.addLevel( mesh, i * 75 );\n *\n * }\n *\n * scene.add( lod );\n * ```\n *\n * @augments Object3D\n */\nclass LOD extends Object3D {\n\n\t/**\n\t * Constructs a new LOD.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLOD = true;\n\n\t\t/**\n\t\t * The current LOD index.\n\t\t *\n\t\t * @private\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\t/**\n\t\t\t * This array holds the LOD levels.\n\t\t\t *\n\t\t\t * @name LOD#levels\n\t\t\t * @type {Array<{object:Object3D,distance:number,hysteresis:number}>}\n\t\t\t */\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * Whether the LOD object is updated automatically by the renderer per frame\n\t\t * or not. If set to `false`, you have to call {@link LOD#update} in the\n\t\t * render loop by yourself.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance, level.hysteresis );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds a mesh that will display at a certain distance and greater. Typically\n\t * the further away the distance, the lower the detail on the mesh.\n\t *\n\t * @param {Object3D} object - The 3D object to display at this level.\n\t * @param {number} [distance=0] - The distance at which to display this level of detail.\n\t * @param {number} [hysteresis=0] - Threshold used to avoid flickering at LOD boundaries, as a fraction of distance.\n\t * @return {LOD} A reference to this instance.\n\t */\n\taddLevel( object, distance = 0, hysteresis = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, hysteresis: hysteresis, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Removes an existing level, based on the distance from the camera.\n\t * Returns `true` when the level has been removed. Otherwise `false`.\n\t *\n\t * @param {number} distance - Distance of the level to remove.\n\t * @return {boolean} Whether the level has been removed or not.\n\t */\n\tremoveLevel( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0; i < levels.length; i ++ ) {\n\n\t\t\tif ( levels[ i ].distance === distance ) {\n\n\t\t\t\tconst removedElements = levels.splice( i, 1 );\n\t\t\t\tthis.remove( removedElements[ 0 ].object );\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t/**\n\t * Returns the currently active LOD level index.\n\t *\n\t * @return {number} The current active LOD level index.\n\t */\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\t/**\n\t * Returns a reference to the first 3D object that is greater than\n\t * the given distance.\n\t *\n\t * @param {number} distance - The LOD distance.\n\t * @return {?Object3D} The found 3D object. `null` if no 3D object has been found.\n\t */\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tlet levelDistance = levels[ i ].distance;\n\n\t\t\t\tif ( levels[ i ].object.visible ) {\n\n\t\t\t\t\tlevelDistance -= levelDistance * levels[ i ].hysteresis;\n\n\t\t\t\t}\n\n\t\t\t\tif ( distance < levelDistance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t/**\n\t * Computes intersection points between a casted ray and this LOD.\n\t *\n\t * @param {Raycaster} raycaster - The raycaster.\n\t * @param {Array} intersects - The target array that holds the intersection points.\n\t */\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the LOD by computing which LOD level should be visible according\n\t * to the current distance of the given camera.\n\t *\n\t * @param {Camera} camera - The camera the scene is rendered with.\n\t */\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tlet levelDistance = levels[ i ].distance;\n\n\t\t\t\tif ( levels[ i ].object.visible ) {\n\n\t\t\t\t\tlevelDistance -= levelDistance * levels[ i ].hysteresis;\n\n\t\t\t\t}\n\n\t\t\t\tif ( distance >= levelDistance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance,\n\t\t\t\thysteresis: level.hysteresis\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector3 = /*@__PURE__*/ new Vector3();\nconst _matrix4 = /*@__PURE__*/ new Matrix4();\nconst _vertex = /*@__PURE__*/ new Vector3();\n\nconst _sphere$5 = /*@__PURE__*/ new Sphere();\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\n\n/**\n * A mesh that has a {@link Skeleton} that can then be used to animate the\n * vertices of the geometry with skinning/skeleton animation.\n *\n * Next to a valid skeleton, the skinned mesh requires skin indices and weights\n * as buffer attributes in its geometry. These attribute define which bones affect a single\n * vertex to a certain extend.\n *\n * Typically skinned meshes are not created manually but loaders like {@link GLTFLoader}\n * or {@link FBXLoader } import respective models.\n *\n * @augments Mesh\n * @demo scenes/bones-browser.html\n */\nclass SkinnedMesh extends Mesh {\n\n\t/**\n\t * Constructs a new skinned mesh.\n\t *\n\t * @param {BufferGeometry} [geometry] - The mesh geometry.\n\t * @param {Material|Array} [material] - The mesh material.\n\t */\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSkinnedMesh = true;\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\t/**\n\t\t * `AttachedBindMode` means the skinned mesh shares the same world space as the skeleton.\n\t\t * This is not true when using `DetachedBindMode` which is useful when sharing a skeleton\n\t\t * across multiple skinned meshes.\n\t\t *\n\t\t * @type {(AttachedBindMode|DetachedBindMode)}\n\t\t * @default AttachedBindMode\n\t\t */\n\t\tthis.bindMode = AttachedBindMode;\n\n\t\t/**\n\t\t * The base matrix that is used for the bound bone transforms.\n\t\t *\n\t\t * @type {Matrix4}\n\t\t */\n\t\tthis.bindMatrix = new Matrix4();\n\n\t\t/**\n\t\t * The base matrix that is used for resetting the bound bone transforms.\n\t\t *\n\t\t * @type {Matrix4}\n\t\t */\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\t/**\n\t\t * The bounding box of the skinned mesh. Can be computed via {@link SkinnedMesh#computeBoundingBox}.\n\t\t *\n\t\t * @type {?Box3}\n\t\t * @default null\n\t\t */\n\t\tthis.boundingBox = null;\n\n\t\t/**\n\t\t * The bounding sphere of the skinned mesh. Can be computed via {@link SkinnedMesh#computeBoundingSphere}.\n\t\t *\n\t\t * @type {?Sphere}\n\t\t * @default null\n\t\t */\n\t\tthis.boundingSphere = null;\n\n\t}\n\n\t/**\n\t * Computes the bounding box of the skinned mesh, and updates {@link SkinnedMesh#boundingBox}.\n\t * The bounding box is not automatically computed by the engine; this method must be called by your app.\n\t * If the skinned mesh is animated, the bounding box should be recomputed per frame in order to reflect\n\t * the current animation state.\n\t */\n\tcomputeBoundingBox() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tthis.boundingBox.makeEmpty();\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\tthis.getVertexPosition( i, _vertex );\n\t\t\tthis.boundingBox.expandByPoint( _vertex );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Computes the bounding sphere of the skinned mesh, and updates {@link SkinnedMesh#boundingSphere}.\n\t * The bounding sphere is automatically computed by the engine once when it is needed, e.g., for ray casting\n\t * and view frustum culling. If the skinned mesh is animated, the bounding sphere should be recomputed\n\t * per frame in order to reflect the current animation state.\n\t */\n\tcomputeBoundingSphere() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tthis.boundingSphere.makeEmpty();\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\tthis.getVertexPosition( i, _vertex );\n\t\t\tthis.boundingSphere.expandByPoint( _vertex );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\tif ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone();\n\t\tif ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone();\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// test with bounding sphere in world space\n\n\t\tif ( this.boundingSphere === null ) this.computeBoundingSphere();\n\n\t\t_sphere$5.copy( this.boundingSphere );\n\t\t_sphere$5.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$5 ) === false ) return;\n\n\t\t// convert ray to local space of skinned mesh\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// test with bounding box in local space\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( this.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\t// test for intersections with geometry\n\n\t\tthis._computeIntersections( raycaster, intersects, _ray$2 );\n\n\t}\n\n\tgetVertexPosition( index, target ) {\n\n\t\tsuper.getVertexPosition( index, target );\n\n\t\tthis.applyBoneTransform( index, target );\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Binds the given skeleton to the skinned mesh.\n\t *\n\t * @param {Skeleton} skeleton - The skeleton to bind.\n\t * @param {Matrix4} [bindMatrix] - The bind matrix. If no bind matrix is provided,\n\t * the skinned mesh's world matrix will be used instead.\n\t */\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\t/**\n\t * This method sets the skinned mesh in the rest pose).\n\t */\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\t/**\n\t * Normalizes the skin weights which are defined as a buffer attribute\n\t * in the skinned mesh's geometry.\n\t */\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.fromBufferAttribute( skinWeight, i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === AttachedBindMode ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === DetachedBindMode ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\twarn( 'SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Applies the bone transform associated with the given index to the given\n\t * vertex position. Returns the updated vector.\n\t *\n\t * @param {number} index - The vertex index.\n\t * @param {Vector3} target - The target object that is used to store the method's result.\n\t * the skinned mesh's world matrix will be used instead.\n\t * @return {Vector3} The updated vertex position.\n\t */\n\tapplyBoneTransform( index, target ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( target ).applyMatrix4( this.bindMatrix );\n\n\t\ttarget.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix4.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\ttarget.addScaledVector( _vector3.copy( _basePosition ).applyMatrix4( _matrix4 ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn target.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\n/**\n * A bone which is part of a {@link Skeleton}. The skeleton in turn is used by\n * the {@link SkinnedMesh}.\n *\n * ```js\n * const root = new THREE.Bone();\n * const child = new THREE.Bone();\n *\n * root.add( child );\n * child.position.y = 5;\n * ```\n *\n * @augments Object3D\n */\nclass Bone extends Object3D {\n\n\t/**\n\t * Constructs a new bone.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isBone = true;\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\n/**\n * Creates a texture directly from raw buffer data.\n *\n * The interpretation of the data depends on type and format: If the type is\n * `UnsignedByteType`, a `Uint8Array` will be useful for addressing the\n * texel data. If the format is `RGBAFormat`, data needs four values for\n * one texel; Red, Green, Blue and Alpha (typically the opacity).\n *\n * @augments Texture\n */\nclass DataTexture extends Texture {\n\n\t/**\n\t * Constructs a new data texture.\n\t *\n\t * @param {?TypedArray} [data=null] - The buffer data.\n\t * @param {number} [width=1] - The width of the texture.\n\t * @param {number} [height=1] - The height of the texture.\n\t * @param {number} [format=RGBAFormat] - The texture format.\n\t * @param {number} [type=UnsignedByteType] - The texture type.\n\t * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping.\n\t * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.\n\t * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.\n\t * @param {number} [magFilter=NearestFilter] - The mag filter value.\n\t * @param {number} [minFilter=NearestFilter] - The min filter value.\n\t * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.\n\t * @param {string} [colorSpace=NoColorSpace] - The color space.\n\t */\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, colorSpace ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isDataTexture = true;\n\n\t\t/**\n\t\t * The image definition of a data texture.\n\t\t *\n\t\t * @type {{data:TypedArray,width:number,height:number}}\n\t\t */\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\t/**\n\t\t * Whether to generate mipmaps (if possible) for a texture.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.generateMipmaps = false;\n\n\t\t/**\n\t\t * If set to `true`, the texture is flipped along the vertical axis when\n\t\t * uploaded to the GPU.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flipY = false;\n\n\t\t/**\n\t\t * Specifies the alignment requirements for the start of each pixel row in memory.\n\t\t *\n\t\t * Overwritten and set to `1` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default 1\n\t\t */\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\n/**\n * Class for representing the armatures in `three.js`. The skeleton\n * is defined by a hierarchy of bones.\n *\n * ```js\n * const bones = [];\n *\n * const shoulder = new THREE.Bone();\n * const elbow = new THREE.Bone();\n * const hand = new THREE.Bone();\n *\n * shoulder.add( elbow );\n * elbow.add( hand );\n *\n * bones.push( shoulder , elbow, hand);\n *\n * shoulder.position.y = -5;\n * elbow.position.y = 0;\n * hand.position.y = 5;\n *\n * const armSkeleton = new THREE.Skeleton( bones );\n * ```\n */\nclass Skeleton {\n\n\t/**\n\t * Constructs a new skeleton.\n\t *\n\t * @param {Array} [bones] - An array of bones.\n\t * @param {Array} [boneInverses] - An array of bone inverse matrices.\n\t * If not provided, these matrices will be computed automatically via {@link Skeleton#calculateInverses}.\n\t */\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\t/**\n\t\t * An array of bones defining the skeleton.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.bones = bones.slice( 0 );\n\n\t\t/**\n\t\t * An array of bone inverse matrices.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.boneInverses = boneInverses;\n\n\t\t/**\n\t\t * An array buffer holding the bone data.\n\t\t * Input data for {@link Skeleton#boneTexture}.\n\t\t *\n\t\t * @type {?Float32Array}\n\t\t * @default null\n\t\t */\n\t\tthis.boneMatrices = null;\n\n\t\t/**\n\t\t * A texture holding the bone data for use\n\t\t * in the vertex shader.\n\t\t *\n\t\t * @type {?DataTexture}\n\t\t * @default null\n\t\t */\n\t\tthis.boneTexture = null;\n\n\t\tthis.init();\n\n\t}\n\n\t/**\n\t * Initializes the skeleton. This method gets automatically called by the constructor\n\t * but depending on how the skeleton is created it might be necessary to call this method\n\t * manually.\n\t */\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\twarn( 'Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Computes the bone inverse matrices. This method resets {@link Skeleton#boneInverses}\n\t * and fills it with new matrices.\n\t */\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Resets the skeleton to the base pose.\n\t */\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Resets the skeleton to the base pose.\n\t */\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns a new skeleton with copied values from this instance.\n\t *\n\t * @return {Skeleton} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\t/**\n\t * Computes a data texture for passing bone data to the vertex shader.\n\t *\n\t * @return {Skeleton} A reference of this instance.\n\t */\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = Math.ceil( size / 4 ) * 4;\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\t\tboneTexture.needsUpdate = true;\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Searches through the skeleton's bone array and returns the first with a\n\t * matching name.\n\t *\n\t * @param {string} name - The name of the bone.\n\t * @return {Bone|undefined} The found bone. `undefined` if no bone has been found.\n\t */\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Setups the skeleton by the given JSON and bones.\n\t *\n\t * @param {Object} json - The skeleton as serialized JSON.\n\t * @param {Object} bones - An array of bones.\n\t * @return {Skeleton} A reference of this instance.\n\t */\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\twarn( 'Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Serializes the skeleton into JSON.\n\t *\n\t * @return {Object} A JSON object representing the serialized skeleton.\n\t * @see {@link ObjectLoader#parse}\n\t */\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.7,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * An instanced version of a buffer attribute.\n *\n * @augments BufferAttribute\n */\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\t/**\n\t * Constructs a new instanced buffer attribute.\n\t *\n\t * @param {TypedArray} array - The array holding the attribute data.\n\t * @param {number} itemSize - The item size.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t * @param {number} [meshPerAttribute=1] - How often a value of this buffer attribute should be repeated.\n\t */\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isInstancedBufferAttribute = true;\n\n\t\t/**\n\t\t * Defines how often a value of this buffer attribute should be repeated. A\n\t\t * value of one means that each value of the instanced attribute is used for\n\t\t * a single instance. A value of two means that each value is used for two\n\t\t * consecutive instances (and so on).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _box3 = /*@__PURE__*/ new Box3();\nconst _identity = /*@__PURE__*/ new Matrix4();\nconst _mesh$1 = /*@__PURE__*/ new Mesh();\nconst _sphere$4 = /*@__PURE__*/ new Sphere();\n\n/**\n * A special version of a mesh with instanced rendering support. Use\n * this class if you have to render a large number of objects with the same\n * geometry and material(s) but with different world transformations. The usage\n * of 'InstancedMesh' will help you to reduce the number of draw calls and thus\n * improve the overall rendering performance in your application.\n *\n * @augments Mesh\n */\nclass InstancedMesh extends Mesh {\n\n\t/**\n\t * Constructs a new instanced mesh.\n\t *\n\t * @param {BufferGeometry} [geometry] - The mesh geometry.\n\t * @param {Material|Array} [material] - The mesh material.\n\t * @param {number} count - The number of instances.\n\t */\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isInstancedMesh = true;\n\n\t\t/**\n\t\t * Represents the local transformation of all instances. You have to set its\n\t\t * {@link BufferAttribute#needsUpdate} flag to true if you modify instanced data\n\t\t * via {@link InstancedMesh#setMatrixAt}.\n\t\t *\n\t\t * @type {InstancedBufferAttribute}\n\t\t */\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\n\t\t/**\n\t\t * Represents the color of all instances. You have to set its\n\t\t * {@link BufferAttribute#needsUpdate} flag to true if you modify instanced data\n\t\t * via {@link InstancedMesh#setColorAt}.\n\t\t *\n\t\t * @type {?InstancedBufferAttribute}\n\t\t * @default null\n\t\t */\n\t\tthis.instanceColor = null;\n\n\t\t/**\n\t\t * Represents the morph target weights of all instances. You have to set its\n\t\t * {@link Texture#needsUpdate} flag to true if you modify instanced data\n\t\t * via {@link InstancedMesh#setMorphAt}.\n\t\t *\n\t\t * @type {?DataTexture}\n\t\t * @default null\n\t\t */\n\t\tthis.morphTexture = null;\n\n\t\t/**\n\t\t * The number of instances.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.count = count;\n\n\t\t/**\n\t\t * The bounding box of the instanced mesh. Can be computed via {@link InstancedMesh#computeBoundingBox}.\n\t\t *\n\t\t * @type {?Box3}\n\t\t * @default null\n\t\t */\n\t\tthis.boundingBox = null;\n\n\t\t/**\n\t\t * The bounding sphere of the instanced mesh. Can be computed via {@link InstancedMesh#computeBoundingSphere}.\n\t\t *\n\t\t * @type {?Sphere}\n\t\t * @default null\n\t\t */\n\t\tthis.boundingSphere = null;\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.setMatrixAt( i, _identity );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Computes the bounding box of the instanced mesh, and updates {@link InstancedMesh#boundingBox}.\n\t * The bounding box is not automatically computed by the engine; this method must be called by your app.\n\t * You may need to recompute the bounding box if an instance is transformed via {@link InstancedMesh#setMatrixAt}.\n\t */\n\tcomputeBoundingBox() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst count = this.count;\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\tgeometry.computeBoundingBox();\n\n\t\t}\n\n\t\tthis.boundingBox.makeEmpty();\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.getMatrixAt( i, _instanceLocalMatrix );\n\n\t\t\t_box3.copy( geometry.boundingBox ).applyMatrix4( _instanceLocalMatrix );\n\n\t\t\tthis.boundingBox.union( _box3 );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Computes the bounding sphere of the instanced mesh, and updates {@link InstancedMesh#boundingSphere}\n\t * The engine automatically computes the bounding sphere when it is needed, e.g., for ray casting or view frustum culling.\n\t * You may need to recompute the bounding sphere if an instance is transformed via {@link InstancedMesh#setMatrixAt}.\n\t */\n\tcomputeBoundingSphere() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst count = this.count;\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tif ( geometry.boundingSphere === null ) {\n\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t}\n\n\t\tthis.boundingSphere.makeEmpty();\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.getMatrixAt( i, _instanceLocalMatrix );\n\n\t\t\t_sphere$4.copy( geometry.boundingSphere ).applyMatrix4( _instanceLocalMatrix );\n\n\t\t\tthis.boundingSphere.union( _sphere$4 );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.morphTexture !== null ) this.morphTexture = source.morphTexture.clone();\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\tif ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone();\n\t\tif ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Gets the color of the defined instance.\n\t *\n\t * @param {number} index - The instance index.\n\t * @param {Color} color - The target object that is used to store the method's result.\n\t */\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\t/**\n\t * Gets the local transformation matrix of the defined instance.\n\t *\n\t * @param {number} index - The instance index.\n\t * @param {Matrix4} matrix - The target object that is used to store the method's result.\n\t */\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\t/**\n\t * Gets the morph target weights of the defined instance.\n\t *\n\t * @param {number} index - The instance index.\n\t * @param {Mesh} object - The target object that is used to store the method's result.\n\t */\n\tgetMorphAt( index, object ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tconst array = this.morphTexture.source.data.data;\n\n\t\tconst len = objectInfluences.length + 1; // All influences + the baseInfluenceSum\n\n\t\tconst dataIndex = index * len + 1; // Skip the baseInfluenceSum at the beginning\n\n\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\tobjectInfluences[ i ] = array[ dataIndex + i ];\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh$1.geometry = this.geometry;\n\t\t_mesh$1.material = this.material;\n\n\t\tif ( _mesh$1.material === undefined ) return;\n\n\t\t// test with bounding sphere first\n\n\t\tif ( this.boundingSphere === null ) this.computeBoundingSphere();\n\n\t\t_sphere$4.copy( this.boundingSphere );\n\t\t_sphere$4.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$4 ) === false ) return;\n\n\t\t// now test each instance\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh$1.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh$1.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Sets the given color to the defined instance. Make sure you set the `needsUpdate` flag of\n\t * {@link InstancedMesh#instanceColor} to `true` after updating all the colors.\n\t *\n\t * @param {number} index - The instance index.\n\t * @param {Color} color - The instance color.\n\t */\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ).fill( 1 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\t/**\n\t * Sets the given local transformation matrix to the defined instance. Make sure you set the `needsUpdate` flag of\n\t * {@link InstancedMesh#instanceMatrix} to `true` after updating all the colors.\n\t *\n\t * @param {number} index - The instance index.\n\t * @param {Matrix4} matrix - The local transformation.\n\t */\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\t/**\n\t * Sets the morph target weights to the defined instance. Make sure you set the `needsUpdate` flag of\n\t * {@link InstancedMesh#morphTexture} to `true` after updating all the influences.\n\t *\n\t * @param {number} index - The instance index.\n\t * @param {Mesh} object - A mesh which `morphTargetInfluences` property containing the morph target weights\n\t * of a single instance.\n\t */\n\tsetMorphAt( index, object ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tconst len = objectInfluences.length + 1; // morphBaseInfluence + all influences\n\n\t\tif ( this.morphTexture === null ) {\n\n\t\t\tthis.morphTexture = new DataTexture( new Float32Array( len * this.count ), len, this.count, RedFormat, FloatType );\n\n\t\t}\n\n\t\tconst array = this.morphTexture.source.data.data;\n\n\t\tlet morphInfluencesSum = 0;\n\n\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t}\n\n\t\tconst morphBaseInfluence = this.geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\tconst dataIndex = len * index;\n\n\t\tarray[ dataIndex ] = morphBaseInfluence;\n\n\t\tarray.set( objectInfluences, dataIndex + 1 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\tif ( this.morphTexture !== null ) {\n\n\t\t\tthis.morphTexture.dispose();\n\t\t\tthis.morphTexture = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\n/**\n * A two dimensional surface that extends infinitely in 3D space, represented\n * in [Hessian normal form](http://mathworld.wolfram.com/HessianNormalForm.html)\n * by a unit length normal vector and a constant.\n */\nclass Plane {\n\n\t/**\n\t * Constructs a new plane.\n\t *\n\t * @param {Vector3} [normal=(1,0,0)] - A unit length vector defining the normal of the plane.\n\t * @param {number} [constant=0] - The signed distance from the origin to the plane.\n\t */\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isPlane = true;\n\n\t\t/**\n\t\t * A unit length vector defining the normal of the plane.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.normal = normal;\n\n\t\t/**\n\t\t * The signed distance from the origin to the plane.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.constant = constant;\n\n\t}\n\n\t/**\n\t * Sets the plane components by copying the given values.\n\t *\n\t * @param {Vector3} normal - The normal.\n\t * @param {number} constant - The constant.\n\t * @return {Plane} A reference to this plane.\n\t */\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the plane components by defining `x`, `y`, `z` as the\n\t * plane normal and `w` as the constant.\n\t *\n\t * @param {number} x - The value for the normal's x component.\n\t * @param {number} y - The value for the normal's y component.\n\t * @param {number} z - The value for the normal's z component.\n\t * @param {number} w - The constant value.\n\t * @return {Plane} A reference to this plane.\n\t */\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the plane from the given normal and coplanar point (that is a point\n\t * that lies onto the plane).\n\t *\n\t * @param {Vector3} normal - The normal.\n\t * @param {Vector3} point - A coplanar point.\n\t * @return {Plane} A reference to this plane.\n\t */\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the plane from three coplanar points. The winding order is\n\t * assumed to be counter-clockwise, and determines the direction of\n\t * the plane normal.\n\t *\n\t * @param {Vector3} a - The first coplanar point.\n\t * @param {Vector3} b - The second coplanar point.\n\t * @param {Vector3} c - The third coplanar point.\n\t * @return {Plane} A reference to this plane.\n\t */\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the values of the given plane to this instance.\n\t *\n\t * @param {Plane} plane - The plane to copy.\n\t * @return {Plane} A reference to this plane.\n\t */\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Normalizes the plane normal and adjusts the constant accordingly.\n\t *\n\t * @return {Plane} A reference to this plane.\n\t */\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Negates both the plane normal and the constant.\n\t *\n\t * @return {Plane} A reference to this plane.\n\t */\n\tnegate() {\n\n\t\tthis.constant *= -1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the signed distance from the given point to this plane.\n\t *\n\t * @param {Vector3} point - The point to compute the distance for.\n\t * @return {number} The signed distance.\n\t */\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\t/**\n\t * Returns the signed distance from the given sphere to this plane.\n\t *\n\t * @param {Sphere} sphere - The sphere to compute the distance for.\n\t * @return {number} The signed distance.\n\t */\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\t/**\n\t * Projects a the given point onto the plane.\n\t *\n\t * @param {Vector3} point - The point to project.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The projected point on the plane.\n\t */\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( point ).addScaledVector( this.normal, - this.distanceToPoint( point ) );\n\n\t}\n\n\t/**\n\t * Returns the intersection point of the passed line and the plane. Returns\n\t * `null` if the line does not intersect. Returns the line's starting point if\n\t * the line is coplanar with the plane.\n\t *\n\t * @param {Line3} line - The line to compute the intersection for.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {?Vector3} The intersection point.\n\t */\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( line.start ).addScaledVector( direction, t );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given line segment intersects with (passes through) the plane.\n\t *\n\t * @param {Line3} line - The line to test.\n\t * @return {boolean} Whether the given line segment intersects with the plane or not.\n\t */\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding box intersects with the plane.\n\t *\n\t * @param {Box3} box - The bounding box to test.\n\t * @return {boolean} Whether the given bounding box intersects with the plane or not.\n\t */\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding sphere intersects with the plane.\n\t *\n\t * @param {Sphere} sphere - The bounding sphere to test.\n\t * @return {boolean} Whether the given bounding sphere intersects with the plane or not.\n\t */\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\t/**\n\t * Returns a coplanar vector to the plane, by calculating the\n\t * projection of the normal at the origin onto the plane.\n\t *\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The coplanar point.\n\t */\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\t/**\n\t * Apply a 4x4 matrix to the plane. The matrix must be an affine, homogeneous transform.\n\t *\n\t * The optional normal matrix can be pre-computed like so:\n\t * ```js\n\t * const optionalNormalMatrix = new THREE.Matrix3().getNormalMatrix( matrix );\n\t * ```\n\t *\n\t * @param {Matrix4} matrix - The transformation matrix.\n\t * @param {Matrix4} [optionalNormalMatrix] - A pre-computed normal matrix.\n\t * @return {Plane} A reference to this plane.\n\t */\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Translates the plane by the distance defined by the given offset vector.\n\t * Note that this only affects the plane constant and will not affect the normal vector.\n\t *\n\t * @param {Vector3} offset - The offset vector.\n\t * @return {Plane} A reference to this plane.\n\t */\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this plane is equal with the given one.\n\t *\n\t * @param {Plane} plane - The plane to test for equality.\n\t * @return {boolean} Whether this plane is equal with the given one.\n\t */\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\t/**\n\t * Returns a new plane with copied values from this instance.\n\t *\n\t * @return {Plane} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\nconst _defaultSpriteCenter = /*@__PURE__*/ new Vector2( 0.5, 0.5 );\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\n/**\n * Frustums are used to determine what is inside the camera's field of view.\n * They help speed up the rendering process - objects which lie outside a camera's\n * frustum can safely be excluded from rendering.\n *\n * This class is mainly intended for use internally by a renderer.\n */\nclass Frustum {\n\n\t/**\n\t * Constructs a new frustum.\n\t *\n\t * @param {Plane} [p0] - The first plane that encloses the frustum.\n\t * @param {Plane} [p1] - The second plane that encloses the frustum.\n\t * @param {Plane} [p2] - The third plane that encloses the frustum.\n\t * @param {Plane} [p3] - The fourth plane that encloses the frustum.\n\t * @param {Plane} [p4] - The fifth plane that encloses the frustum.\n\t * @param {Plane} [p5] - The sixth plane that encloses the frustum.\n\t */\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\t/**\n\t\t * This array holds the planes that enclose the frustum.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\t/**\n\t * Sets the frustum planes by copying the given planes.\n\t *\n\t * @param {Plane} [p0] - The first plane that encloses the frustum.\n\t * @param {Plane} [p1] - The second plane that encloses the frustum.\n\t * @param {Plane} [p2] - The third plane that encloses the frustum.\n\t * @param {Plane} [p3] - The fourth plane that encloses the frustum.\n\t * @param {Plane} [p4] - The fifth plane that encloses the frustum.\n\t * @param {Plane} [p5] - The sixth plane that encloses the frustum.\n\t * @return {Frustum} A reference to this frustum.\n\t */\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the values of the given frustum to this instance.\n\t *\n\t * @param {Frustum} frustum - The frustum to copy.\n\t * @return {Frustum} A reference to this frustum.\n\t */\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the frustum planes from the given projection matrix.\n\t *\n\t * @param {Matrix4} m - The projection matrix.\n\t * @param {(WebGLCoordinateSystem|WebGPUCoordinateSystem)} coordinateSystem - The coordinate system.\n\t * @param {boolean} [reversedDepth=false] - Whether to use a reversed depth.\n\t * @return {Frustum} A reference to this frustum.\n\t */\n\tsetFromProjectionMatrix( m, coordinateSystem = WebGLCoordinateSystem, reversedDepth = false ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\n\t\tif ( reversedDepth ) {\n\n\t\t\tplanes[ 4 ].setComponents( me2, me6, me10, me14 ).normalize(); // far\n\t\t\tplanes[ 5 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); // near\n\n\t\t} else {\n\n\t\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); // far\n\n\t\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); // near\n\n\t\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\t\tplanes[ 5 ].setComponents( me2, me6, me10, me14 ).normalize(); // near\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error( 'THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if the 3D object's bounding sphere is intersecting this frustum.\n\t *\n\t * Note that the 3D object must have a geometry so that the bounding sphere can be calculated.\n\t *\n\t * @param {Object3D} object - The 3D object to test.\n\t * @return {boolean} Whether the 3D object's bounding sphere is intersecting this frustum or not.\n\t */\n\tintersectsObject( object ) {\n\n\t\tif ( object.boundingSphere !== undefined ) {\n\n\t\t\tif ( object.boundingSphere === null ) object.computeBoundingSphere();\n\n\t\t\t_sphere$3.copy( object.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\t} else {\n\n\t\t\tconst geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t_sphere$3.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\t}\n\n\t\treturn this.intersectsSphere( _sphere$3 );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given sprite is intersecting this frustum.\n\t *\n\t * @param {Sprite} sprite - The sprite to test.\n\t * @return {boolean} Whether the sprite is intersecting this frustum or not.\n\t */\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$3.center.set( 0, 0, 0 );\n\n\t\tconst offset = _defaultSpriteCenter.distanceTo( sprite.center );\n\n\t\t_sphere$3.radius = 0.7071067811865476 + offset;\n\t\t_sphere$3.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$3 );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding sphere is intersecting this frustum.\n\t *\n\t * @param {Sphere} sphere - The bounding sphere to test.\n\t * @return {boolean} Whether the bounding sphere is intersecting this frustum or not.\n\t */\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding box is intersecting this frustum.\n\t *\n\t * @param {Box3} box - The bounding box to test.\n\t * @return {boolean} Whether the bounding box is intersecting this frustum or not.\n\t */\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$6.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$6.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$6.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$6 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\t/**\n\t * Returns `true` if the given point lies within the frustum.\n\t *\n\t * @param {Vector3} point - The point to test.\n\t * @return {boolean} Whether the point lies within this frustum or not.\n\t */\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\t/**\n\t * Returns a new frustum with copied values from this instance.\n\t *\n\t * @return {Frustum} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _projScreenMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _frustum$1 = /*@__PURE__*/ new Frustum();\n\n/**\n * FrustumArray is used to determine if an object is visible in at least one camera\n * from an array of cameras. This is particularly useful for multi-view renderers.\n*/\nclass FrustumArray {\n\n\t/**\n\t * Constructs a new frustum array.\n\t *\n\t */\n\tconstructor() {\n\n\t\t/**\n\t\t * The coordinate system to use.\n\t\t *\n\t\t * @type {WebGLCoordinateSystem|WebGPUCoordinateSystem}\n\t\t * @default WebGLCoordinateSystem\n\t\t */\n\t\tthis.coordinateSystem = WebGLCoordinateSystem;\n\n\t}\n\n\t/**\n\t * Returns `true` if the 3D object's bounding sphere is intersecting any frustum\n\t * from the camera array.\n\t *\n\t * @param {Object3D} object - The 3D object to test.\n\t * @param {Object} cameraArray - An object with a cameras property containing an array of cameras.\n\t * @return {boolean} Whether the 3D object is visible in any camera.\n\t */\n\tintersectsObject( object, cameraArray ) {\n\n\t\tif ( ! cameraArray.isArrayCamera || cameraArray.cameras.length === 0 ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < cameraArray.cameras.length; i ++ ) {\n\n\t\t\tconst camera = cameraArray.cameras[ i ];\n\n\t\t\t_projScreenMatrix$2.multiplyMatrices(\n\t\t\t\tcamera.projectionMatrix,\n\t\t\t\tcamera.matrixWorldInverse\n\t\t\t);\n\n\t\t\t_frustum$1.setFromProjectionMatrix(\n\t\t\t\t_projScreenMatrix$2,\n\t\t\t\tcamera.coordinateSystem,\n\t\t\t\tcamera.reversedDepth\n\t\t\t);\n\n\t\t\tif ( _frustum$1.intersectsObject( object ) ) {\n\n\t\t\t\treturn true; // Object is visible in at least one camera\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false; // Not visible in any camera\n\n\t}\n\n\t/**\n\t * Returns `true` if the given sprite is intersecting any frustum\n\t * from the camera array.\n\t *\n\t * @param {Sprite} sprite - The sprite to test.\n\t * @param {Object} cameraArray - An object with a cameras property containing an array of cameras.\n\t * @return {boolean} Whether the sprite is visible in any camera.\n\t */\n\tintersectsSprite( sprite, cameraArray ) {\n\n\t\tif ( ! cameraArray || ! cameraArray.cameras || cameraArray.cameras.length === 0 ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < cameraArray.cameras.length; i ++ ) {\n\n\t\t\tconst camera = cameraArray.cameras[ i ];\n\n\t\t\t_projScreenMatrix$2.multiplyMatrices(\n\t\t\t\tcamera.projectionMatrix,\n\t\t\t\tcamera.matrixWorldInverse\n\t\t\t);\n\n\t\t\t_frustum$1.setFromProjectionMatrix(\n\t\t\t\t_projScreenMatrix$2,\n\t\t\t\tcamera.coordinateSystem,\n\t\t\t\tcamera.reversedDepth\n\t\t\t);\n\n\t\t\tif ( _frustum$1.intersectsSprite( sprite ) ) {\n\n\t\t\t\treturn true; // Sprite is visible in at least one camera\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false; // Not visible in any camera\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding sphere is intersecting any frustum\n\t * from the camera array.\n\t *\n\t * @param {Sphere} sphere - The bounding sphere to test.\n\t * @param {Object} cameraArray - An object with a cameras property containing an array of cameras.\n\t * @return {boolean} Whether the sphere is visible in any camera.\n\t */\n\tintersectsSphere( sphere, cameraArray ) {\n\n\t\tif ( ! cameraArray || ! cameraArray.cameras || cameraArray.cameras.length === 0 ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < cameraArray.cameras.length; i ++ ) {\n\n\t\t\tconst camera = cameraArray.cameras[ i ];\n\n\t\t\t_projScreenMatrix$2.multiplyMatrices(\n\t\t\t\tcamera.projectionMatrix,\n\t\t\t\tcamera.matrixWorldInverse\n\t\t\t);\n\n\t\t\t_frustum$1.setFromProjectionMatrix(\n\t\t\t\t_projScreenMatrix$2,\n\t\t\t\tcamera.coordinateSystem,\n\t\t\t\tcamera.reversedDepth\n\t\t\t);\n\n\t\t\tif ( _frustum$1.intersectsSphere( sphere ) ) {\n\n\t\t\t\treturn true; // Sphere is visible in at least one camera\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false; // Not visible in any camera\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding box is intersecting any frustum\n\t * from the camera array.\n\t *\n\t * @param {Box3} box - The bounding box to test.\n\t * @param {Object} cameraArray - An object with a cameras property containing an array of cameras.\n\t * @return {boolean} Whether the box is visible in any camera.\n\t */\n\tintersectsBox( box, cameraArray ) {\n\n\t\tif ( ! cameraArray || ! cameraArray.cameras || cameraArray.cameras.length === 0 ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < cameraArray.cameras.length; i ++ ) {\n\n\t\t\tconst camera = cameraArray.cameras[ i ];\n\n\t\t\t_projScreenMatrix$2.multiplyMatrices(\n\t\t\t\tcamera.projectionMatrix,\n\t\t\t\tcamera.matrixWorldInverse\n\t\t\t);\n\n\t\t\t_frustum$1.setFromProjectionMatrix(\n\t\t\t\t_projScreenMatrix$2,\n\t\t\t\tcamera.coordinateSystem,\n\t\t\t\tcamera.reversedDepth\n\t\t\t);\n\n\t\t\tif ( _frustum$1.intersectsBox( box ) ) {\n\n\t\t\t\treturn true; // Box is visible in at least one camera\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false; // Not visible in any camera\n\n\t}\n\n\t/**\n\t * Returns `true` if the given point lies within any frustum\n\t * from the camera array.\n\t *\n\t * @param {Vector3} point - The point to test.\n\t * @param {Object} cameraArray - An object with a cameras property containing an array of cameras.\n\t * @return {boolean} Whether the point is visible in any camera.\n\t */\n\tcontainsPoint( point, cameraArray ) {\n\n\t\tif ( ! cameraArray || ! cameraArray.cameras || cameraArray.cameras.length === 0 ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < cameraArray.cameras.length; i ++ ) {\n\n\t\t\tconst camera = cameraArray.cameras[ i ];\n\n\t\t\t_projScreenMatrix$2.multiplyMatrices(\n\t\t\t\tcamera.projectionMatrix,\n\t\t\t\tcamera.matrixWorldInverse\n\t\t\t);\n\n\t\t\t_frustum$1.setFromProjectionMatrix(\n\t\t\t\t_projScreenMatrix$2,\n\t\t\t\tcamera.coordinateSystem,\n\t\t\t\tcamera.reversedDepth\n\t\t\t);\n\n\t\t\tif ( _frustum$1.containsPoint( point ) ) {\n\n\t\t\t\treturn true; // Point is visible in at least one camera\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false; // Not visible in any camera\n\n\t}\n\n\t/**\n\t * Returns a new frustum array with copied values from this instance.\n\t *\n\t * @return {FrustumArray} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new FrustumArray();\n\n\t}\n\n}\n\nfunction ascIdSort( a, b ) {\n\n\treturn a - b;\n\n}\n\nfunction sortOpaque( a, b ) {\n\n\treturn a.z - b.z;\n\n}\n\nfunction sortTransparent( a, b ) {\n\n\treturn b.z - a.z;\n\n}\n\nclass MultiDrawRenderList {\n\n\tconstructor() {\n\n\t\tthis.index = 0;\n\t\tthis.pool = [];\n\t\tthis.list = [];\n\n\t}\n\n\tpush( start, count, z, index ) {\n\n\t\tconst pool = this.pool;\n\t\tconst list = this.list;\n\t\tif ( this.index >= pool.length ) {\n\n\t\t\tpool.push( {\n\n\t\t\t\tstart: -1,\n\t\t\t\tcount: -1,\n\t\t\t\tz: -1,\n\t\t\t\tindex: -1,\n\n\t\t\t} );\n\n\t\t}\n\n\t\tconst item = pool[ this.index ];\n\t\tlist.push( item );\n\t\tthis.index ++;\n\n\t\titem.start = start;\n\t\titem.count = count;\n\t\titem.z = z;\n\t\titem.index = index;\n\n\t}\n\n\treset() {\n\n\t\tthis.list.length = 0;\n\t\tthis.index = 0;\n\n\t}\n\n}\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _whiteColor = /*@__PURE__*/ new Color( 1, 1, 1 );\nconst _frustum = /*@__PURE__*/ new Frustum();\nconst _frustumArray = /*@__PURE__*/ new FrustumArray();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _forward$1 = /*@__PURE__*/ new Vector3();\nconst _temp = /*@__PURE__*/ new Vector3();\nconst _renderList = /*@__PURE__*/ new MultiDrawRenderList();\nconst _mesh = /*@__PURE__*/ new Mesh();\nconst _batchIntersects = [];\n\n// copies data from attribute \"src\" into \"target\" starting at \"targetOffset\"\nfunction copyAttributeData( src, target, targetOffset = 0 ) {\n\n\tconst itemSize = target.itemSize;\n\tif ( src.isInterleavedBufferAttribute || src.array.constructor !== target.array.constructor ) {\n\n\t\t// use the component getters and setters if the array data cannot\n\t\t// be copied directly\n\t\tconst vertexCount = src.count;\n\t\tfor ( let i = 0; i < vertexCount; i ++ ) {\n\n\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\ttarget.setComponent( i + targetOffset, c, src.getComponent( i, c ) );\n\n\t\t\t}\n\n\t\t}\n\n\t} else {\n\n\t\t// faster copy approach using typed array set function\n\t\ttarget.array.set( src.array, targetOffset * itemSize );\n\n\t}\n\n\ttarget.needsUpdate = true;\n\n}\n\n// safely copies array contents to a potentially smaller array\nfunction copyArrayContents( src, target ) {\n\n\tif ( src.constructor !== target.constructor ) {\n\n\t\t// if arrays are of a different type (eg due to index size increasing) then data must be per-element copied\n\t\tconst len = Math.min( src.length, target.length );\n\t\tfor ( let i = 0; i < len; i ++ ) {\n\n\t\t\ttarget[ i ] = src[ i ];\n\n\t\t}\n\n\t} else {\n\n\t\t// if the arrays use the same data layout we can use a fast block copy\n\t\tconst len = Math.min( src.length, target.length );\n\t\ttarget.set( new src.constructor( src.buffer, 0, len ) );\n\n\t}\n\n}\n\n/**\n * A special version of a mesh with multi draw batch rendering support. Use\n * this class if you have to render a large number of objects with the same\n * material but with different geometries or world transformations. The usage of\n * `BatchedMesh` will help you to reduce the number of draw calls and thus improve the overall\n * rendering performance in your application.\n *\n * ```js\n * const box = new THREE.BoxGeometry( 1, 1, 1 );\n * const sphere = new THREE.SphereGeometry( 1, 12, 12 );\n * const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );\n *\n * // initialize and add geometries into the batched mesh\n * const batchedMesh = new BatchedMesh( 10, 5000, 10000, material );\n * const boxGeometryId = batchedMesh.addGeometry( box );\n * const sphereGeometryId = batchedMesh.addGeometry( sphere );\n *\n * // create instances of those geometries\n * const boxInstancedId1 = batchedMesh.addInstance( boxGeometryId );\n * const boxInstancedId2 = batchedMesh.addInstance( boxGeometryId );\n *\n * const sphereInstancedId1 = batchedMesh.addInstance( sphereGeometryId );\n * const sphereInstancedId2 = batchedMesh.addInstance( sphereGeometryId );\n *\n * // position the geometries\n * batchedMesh.setMatrixAt( boxInstancedId1, boxMatrix1 );\n * batchedMesh.setMatrixAt( boxInstancedId2, boxMatrix2 );\n *\n * batchedMesh.setMatrixAt( sphereInstancedId1, sphereMatrix1 );\n * batchedMesh.setMatrixAt( sphereInstancedId2, sphereMatrix2 );\n *\n * scene.add( batchedMesh );\n * ```\n *\n * @augments Mesh\n */\nclass BatchedMesh extends Mesh {\n\n\t/**\n\t * Constructs a new batched mesh.\n\t *\n\t * @param {number} maxInstanceCount - The maximum number of individual instances planned to be added and rendered.\n\t * @param {number} maxVertexCount - The maximum number of vertices to be used by all unique geometries.\n\t * @param {number} [maxIndexCount=maxVertexCount*2] - The maximum number of indices to be used by all unique geometries\n\t * @param {Material|Array} [material] - The mesh material.\n\t */\n\tconstructor( maxInstanceCount, maxVertexCount, maxIndexCount = maxVertexCount * 2, material ) {\n\n\t\tsuper( new BufferGeometry(), material );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isBatchedMesh = true;\n\n\t\t/**\n\t\t * When set ot `true`, the individual objects of a batch are frustum culled.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.perObjectFrustumCulled = true;\n\n\t\t/**\n\t\t * When set to `true`, the individual objects of a batch are sorted to improve overdraw-related artifacts.\n\t\t * If the material is marked as \"transparent\" objects are rendered back to front and if not then they are\n\t\t * rendered front to back.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.sortObjects = true;\n\n\t\t/**\n\t\t * The bounding box of the batched mesh. Can be computed via {@link BatchedMesh#computeBoundingBox}.\n\t\t *\n\t\t * @type {?Box3}\n\t\t * @default null\n\t\t */\n\t\tthis.boundingBox = null;\n\n\t\t/**\n\t\t * The bounding sphere of the batched mesh. Can be computed via {@link BatchedMesh#computeBoundingSphere}.\n\t\t *\n\t\t * @type {?Sphere}\n\t\t * @default null\n\t\t */\n\t\tthis.boundingSphere = null;\n\n\t\t/**\n\t\t * Takes a sort a function that is run before render. The function takes a list of instances to\n\t\t * sort and a camera. The objects in the list include a \"z\" field to perform a depth-ordered\n\t\t * sort with.\n\t\t *\n\t\t * @type {?Function}\n\t\t * @default null\n\t\t */\n\t\tthis.customSort = null;\n\n\t\t// stores visible, active, and geometry id per instance and reserved buffer ranges for geometries\n\t\tthis._instanceInfo = [];\n\t\tthis._geometryInfo = [];\n\n\t\t// instance, geometry ids that have been set as inactive, and are available to be overwritten\n\t\tthis._availableInstanceIds = [];\n\t\tthis._availableGeometryIds = [];\n\n\t\t// used to track where the next point is that geometry should be inserted\n\t\tthis._nextIndexStart = 0;\n\t\tthis._nextVertexStart = 0;\n\t\tthis._geometryCount = 0;\n\n\t\t// flags\n\t\tthis._visibilityChanged = true;\n\t\tthis._geometryInitialized = false;\n\n\t\t// cached user options\n\t\tthis._maxInstanceCount = maxInstanceCount;\n\t\tthis._maxVertexCount = maxVertexCount;\n\t\tthis._maxIndexCount = maxIndexCount;\n\n\t\t// buffers for multi draw\n\t\tthis._multiDrawCounts = new Int32Array( maxInstanceCount );\n\t\tthis._multiDrawStarts = new Int32Array( maxInstanceCount );\n\t\tthis._multiDrawCount = 0;\n\t\tthis._multiDrawInstances = null;\n\n\t\t// Local matrix per geometry by using data texture\n\t\tthis._matricesTexture = null;\n\t\tthis._indirectTexture = null;\n\t\tthis._colorsTexture = null;\n\n\t\tthis._initMatricesTexture();\n\t\tthis._initIndirectTexture();\n\n\t}\n\n\t/**\n\t * The maximum number of individual instances that can be stored in the batch.\n\t *\n\t * @type {number}\n\t * @readonly\n\t */\n\tget maxInstanceCount() {\n\n\t\treturn this._maxInstanceCount;\n\n\t}\n\n\t/**\n\t * The instance count.\n\t *\n\t * @type {number}\n\t * @readonly\n\t */\n\tget instanceCount() {\n\n\t\treturn this._instanceInfo.length - this._availableInstanceIds.length;\n\n\t}\n\n\t/**\n\t * The number of unused vertices.\n\t *\n\t * @type {number}\n\t * @readonly\n\t */\n\tget unusedVertexCount() {\n\n\t\treturn this._maxVertexCount - this._nextVertexStart;\n\n\t}\n\n\t/**\n\t * The number of unused indices.\n\t *\n\t * @type {number}\n\t * @readonly\n\t */\n\tget unusedIndexCount() {\n\n\t\treturn this._maxIndexCount - this._nextIndexStart;\n\n\t}\n\n\t_initMatricesTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 matrices * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 matrices * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 matrices * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 matrices * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = Math.ceil( size / 4 ) * 4;\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst matricesArray = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tconst matricesTexture = new DataTexture( matricesArray, size, size, RGBAFormat, FloatType );\n\n\t\tthis._matricesTexture = matricesTexture;\n\n\t}\n\n\t_initIndirectTexture() {\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount );\n\t\tsize = Math.ceil( size );\n\n\t\tconst indirectArray = new Uint32Array( size * size );\n\t\tconst indirectTexture = new DataTexture( indirectArray, size, size, RedIntegerFormat, UnsignedIntType );\n\n\t\tthis._indirectTexture = indirectTexture;\n\n\t}\n\n\t_initColorsTexture() {\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount );\n\t\tsize = Math.ceil( size );\n\n\t\t// 4 floats per RGBA pixel initialized to white\n\t\tconst colorsArray = new Float32Array( size * size * 4 ).fill( 1 );\n\t\tconst colorsTexture = new DataTexture( colorsArray, size, size, RGBAFormat, FloatType );\n\t\tcolorsTexture.colorSpace = ColorManagement.workingColorSpace;\n\n\t\tthis._colorsTexture = colorsTexture;\n\n\t}\n\n\t_initializeGeometry( reference ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst maxVertexCount = this._maxVertexCount;\n\t\tconst maxIndexCount = this._maxIndexCount;\n\t\tif ( this._geometryInitialized === false ) {\n\n\t\t\tfor ( const attributeName in reference.attributes ) {\n\n\t\t\t\tconst srcAttribute = reference.getAttribute( attributeName );\n\t\t\t\tconst { array, itemSize, normalized } = srcAttribute;\n\n\t\t\t\tconst dstArray = new array.constructor( maxVertexCount * itemSize );\n\t\t\t\tconst dstAttribute = new BufferAttribute( dstArray, itemSize, normalized );\n\n\t\t\t\tgeometry.setAttribute( attributeName, dstAttribute );\n\n\t\t\t}\n\n\t\t\tif ( reference.getIndex() !== null ) {\n\n\t\t\t\t// Reserve last u16 index for primitive restart.\n\t\t\t\tconst indexArray = maxVertexCount > 65535\n\t\t\t\t\t? new Uint32Array( maxIndexCount )\n\t\t\t\t\t: new Uint16Array( maxIndexCount );\n\n\t\t\t\tgeometry.setIndex( new BufferAttribute( indexArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tthis._geometryInitialized = true;\n\n\t\t}\n\n\t}\n\n\t// Make sure the geometry is compatible with the existing combined geometry attributes\n\t_validateGeometry( geometry ) {\n\n\t\t// check to ensure the geometries are using consistent attributes and indices\n\t\tconst batchGeometry = this.geometry;\n\t\tif ( Boolean( geometry.getIndex() ) !== Boolean( batchGeometry.getIndex() ) ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: All geometries must consistently have \"index\".' );\n\n\t\t}\n\n\t\tfor ( const attributeName in batchGeometry.attributes ) {\n\n\t\t\tif ( ! geometry.hasAttribute( attributeName ) ) {\n\n\t\t\t\tthrow new Error( `THREE.BatchedMesh: Added geometry missing \"${ attributeName }\". All geometries must have consistent attributes.` );\n\n\t\t\t}\n\n\t\t\tconst srcAttribute = geometry.getAttribute( attributeName );\n\t\t\tconst dstAttribute = batchGeometry.getAttribute( attributeName );\n\t\t\tif ( srcAttribute.itemSize !== dstAttribute.itemSize || srcAttribute.normalized !== dstAttribute.normalized ) {\n\n\t\t\t\tthrow new Error( 'THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Validates the instance defined by the given ID.\n\t *\n\t * @param {number} instanceId - The instance to validate.\n\t */\n\tvalidateInstanceId( instanceId ) {\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tif ( instanceId < 0 || instanceId >= instanceInfo.length || instanceInfo[ instanceId ].active === false ) {\n\n\t\t\tthrow new Error( `THREE.BatchedMesh: Invalid instanceId ${instanceId}. Instance is either out of range or has been deleted.` );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Validates the geometry defined by the given ID.\n\t *\n\t * @param {number} geometryId - The geometry to validate.\n\t */\n\tvalidateGeometryId( geometryId ) {\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tif ( geometryId < 0 || geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) {\n\n\t\t\tthrow new Error( `THREE.BatchedMesh: Invalid geometryId ${geometryId}. Geometry is either out of range or has been deleted.` );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Takes a sort a function that is run before render. The function takes a list of instances to\n\t * sort and a camera. The objects in the list include a \"z\" field to perform a depth-ordered sort with.\n\t *\n\t * @param {Function} func - The custom sort function.\n\t * @return {BatchedMesh} A reference to this batched mesh.\n\t */\n\tsetCustomSort( func ) {\n\n\t\tthis.customSort = func;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes the bounding box, updating {@link BatchedMesh#boundingBox}.\n\t * Bounding boxes aren't computed by default. They need to be explicitly computed,\n\t * otherwise they are `null`.\n\t */\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst boundingBox = this.boundingBox;\n\t\tconst instanceInfo = this._instanceInfo;\n\n\t\tboundingBox.makeEmpty();\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active === false ) continue;\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\tthis.getBoundingBoxAt( geometryId, _box$1 ).applyMatrix4( _matrix$1 );\n\t\t\tboundingBox.union( _box$1 );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Computes the bounding sphere, updating {@link BatchedMesh#boundingSphere}.\n\t * Bounding spheres aren't computed by default. They need to be explicitly computed,\n\t * otherwise they are `null`.\n\t */\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\t\tconst instanceInfo = this._instanceInfo;\n\n\t\tboundingSphere.makeEmpty();\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active === false ) continue;\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\t\t\tboundingSphere.union( _sphere$2 );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Adds a new instance to the batch using the geometry of the given ID and returns\n\t * a new id referring to the new instance to be used by other functions.\n\t *\n\t * @param {number} geometryId - The ID of a previously added geometry via {@link BatchedMesh#addGeometry}.\n\t * @return {number} The instance ID.\n\t */\n\taddInstance( geometryId ) {\n\n\t\tconst atCapacity = this._instanceInfo.length >= this.maxInstanceCount;\n\n\t\t// ensure we're not over geometry\n\t\tif ( atCapacity && this._availableInstanceIds.length === 0 ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Maximum item count reached.' );\n\n\t\t}\n\n\t\tconst instanceInfo = {\n\t\t\tvisible: true,\n\t\t\tactive: true,\n\t\t\tgeometryIndex: geometryId,\n\t\t};\n\n\t\tlet drawId = null;\n\n\t\t// Prioritize using previously freed instance ids\n\t\tif ( this._availableInstanceIds.length > 0 ) {\n\n\t\t\tthis._availableInstanceIds.sort( ascIdSort );\n\n\t\t\tdrawId = this._availableInstanceIds.shift();\n\t\t\tthis._instanceInfo[ drawId ] = instanceInfo;\n\n\t\t} else {\n\n\t\t\tdrawId = this._instanceInfo.length;\n\t\t\tthis._instanceInfo.push( instanceInfo );\n\n\t\t}\n\n\t\tconst matricesTexture = this._matricesTexture;\n\t\t_matrix$1.identity().toArray( matricesTexture.image.data, drawId * 16 );\n\t\tmatricesTexture.needsUpdate = true;\n\n\t\tconst colorsTexture = this._colorsTexture;\n\t\tif ( colorsTexture ) {\n\n\t\t\t_whiteColor.toArray( colorsTexture.image.data, drawId * 4 );\n\t\t\tcolorsTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis._visibilityChanged = true;\n\t\treturn drawId;\n\n\t}\n\n\t/**\n\t * Adds the given geometry to the batch and returns the associated\n\t * geometry id referring to it to be used in other functions.\n\t *\n\t * @param {BufferGeometry} geometry - The geometry to add.\n\t * @param {number} [reservedVertexCount=-1] - Optional parameter specifying the amount of\n\t * vertex buffer space to reserve for the added geometry. This is necessary if it is planned\n\t * to set a new geometry at this index at a later time that is larger than the original geometry.\n\t * Defaults to the length of the given geometry vertex buffer.\n\t * @param {number} [reservedIndexCount=-1] - Optional parameter specifying the amount of index\n\t * buffer space to reserve for the added geometry. This is necessary if it is planned to set a\n\t * new geometry at this index at a later time that is larger than the original geometry. Defaults to\n\t * the length of the given geometry index buffer.\n\t * @return {number} The geometry ID.\n\t */\n\taddGeometry( geometry, reservedVertexCount = -1, reservedIndexCount = -1 ) {\n\n\t\tthis._initializeGeometry( geometry );\n\n\t\tthis._validateGeometry( geometry );\n\n\t\tconst geometryInfo = {\n\t\t\t// geometry information\n\t\t\tvertexStart: -1,\n\t\t\tvertexCount: -1,\n\t\t\treservedVertexCount: -1,\n\n\t\t\tindexStart: -1,\n\t\t\tindexCount: -1,\n\t\t\treservedIndexCount: -1,\n\n\t\t\t// draw range information\n\t\t\tstart: -1,\n\t\t\tcount: -1,\n\n\t\t\t// state\n\t\t\tboundingBox: null,\n\t\t\tboundingSphere: null,\n\t\t\tactive: true,\n\t\t};\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tgeometryInfo.vertexStart = this._nextVertexStart;\n\t\tgeometryInfo.reservedVertexCount = reservedVertexCount === -1 ? geometry.getAttribute( 'position' ).count : reservedVertexCount;\n\n\t\tconst index = geometry.getIndex();\n\t\tconst hasIndex = index !== null;\n\t\tif ( hasIndex ) {\n\n\t\t\tgeometryInfo.indexStart = this._nextIndexStart;\n\t\t\tgeometryInfo.reservedIndexCount = reservedIndexCount === -1 ? index.count : reservedIndexCount;\n\n\t\t}\n\n\t\tif (\n\t\t\tgeometryInfo.indexStart !== -1 &&\n\t\t\tgeometryInfo.indexStart + geometryInfo.reservedIndexCount > this._maxIndexCount ||\n\t\t\tgeometryInfo.vertexStart + geometryInfo.reservedVertexCount > this._maxVertexCount\n\t\t) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.' );\n\n\t\t}\n\n\t\t// update id\n\t\tlet geometryId;\n\t\tif ( this._availableGeometryIds.length > 0 ) {\n\n\t\t\tthis._availableGeometryIds.sort( ascIdSort );\n\n\t\t\tgeometryId = this._availableGeometryIds.shift();\n\t\t\tgeometryInfoList[ geometryId ] = geometryInfo;\n\n\n\t\t} else {\n\n\t\t\tgeometryId = this._geometryCount;\n\t\t\tthis._geometryCount ++;\n\t\t\tgeometryInfoList.push( geometryInfo );\n\n\t\t}\n\n\t\t// update the geometry\n\t\tthis.setGeometryAt( geometryId, geometry );\n\n\t\t// increment the next geometry position\n\t\tthis._nextIndexStart = geometryInfo.indexStart + geometryInfo.reservedIndexCount;\n\t\tthis._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount;\n\n\t\treturn geometryId;\n\n\t}\n\n\t/**\n\t * Replaces the geometry at the given ID with the provided geometry. Throws an error if there\n\t * is not enough space reserved for geometry. Calling this will change all instances that are\n\t * rendering that geometry.\n\t *\n\t * @param {number} geometryId - The ID of the geometry that should be replaced with the given geometry.\n\t * @param {BufferGeometry} geometry - The new geometry.\n\t * @return {number} The geometry ID.\n\t */\n\tsetGeometryAt( geometryId, geometry ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Maximum geometry count reached.' );\n\n\t\t}\n\n\t\tthis._validateGeometry( geometry );\n\n\t\tconst batchGeometry = this.geometry;\n\t\tconst hasIndex = batchGeometry.getIndex() !== null;\n\t\tconst dstIndex = batchGeometry.getIndex();\n\t\tconst srcIndex = geometry.getIndex();\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif (\n\t\t\thasIndex &&\n\t\t\tsrcIndex.count > geometryInfo.reservedIndexCount ||\n\t\t\tgeometry.attributes.position.count > geometryInfo.reservedVertexCount\n\t\t) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Reserved space not large enough for provided geometry.' );\n\n\t\t}\n\n\t\t// copy geometry buffer data over\n\t\tconst vertexStart = geometryInfo.vertexStart;\n\t\tconst reservedVertexCount = geometryInfo.reservedVertexCount;\n\t\tgeometryInfo.vertexCount = geometry.getAttribute( 'position' ).count;\n\n\t\tfor ( const attributeName in batchGeometry.attributes ) {\n\n\t\t\t// copy attribute data\n\t\t\tconst srcAttribute = geometry.getAttribute( attributeName );\n\t\t\tconst dstAttribute = batchGeometry.getAttribute( attributeName );\n\t\t\tcopyAttributeData( srcAttribute, dstAttribute, vertexStart );\n\n\t\t\t// fill the rest in with zeroes\n\t\t\tconst itemSize = srcAttribute.itemSize;\n\t\t\tfor ( let i = srcAttribute.count, l = reservedVertexCount; i < l; i ++ ) {\n\n\t\t\t\tconst index = vertexStart + i;\n\t\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\t\tdstAttribute.setComponent( index, c, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdstAttribute.needsUpdate = true;\n\t\t\tdstAttribute.addUpdateRange( vertexStart * itemSize, reservedVertexCount * itemSize );\n\n\t\t}\n\n\t\t// copy index\n\t\tif ( hasIndex ) {\n\n\t\t\tconst indexStart = geometryInfo.indexStart;\n\t\t\tconst reservedIndexCount = geometryInfo.reservedIndexCount;\n\t\t\tgeometryInfo.indexCount = geometry.getIndex().count;\n\n\t\t\t// copy index data over\n\t\t\tfor ( let i = 0; i < srcIndex.count; i ++ ) {\n\n\t\t\t\tdstIndex.setX( indexStart + i, vertexStart + srcIndex.getX( i ) );\n\n\t\t\t}\n\n\t\t\t// fill the rest in with zeroes\n\t\t\tfor ( let i = srcIndex.count, l = reservedIndexCount; i < l; i ++ ) {\n\n\t\t\t\tdstIndex.setX( indexStart + i, vertexStart );\n\n\t\t\t}\n\n\t\t\tdstIndex.needsUpdate = true;\n\t\t\tdstIndex.addUpdateRange( indexStart, geometryInfo.reservedIndexCount );\n\n\t\t}\n\n\t\t// update the draw range\n\t\tgeometryInfo.start = hasIndex ? geometryInfo.indexStart : geometryInfo.vertexStart;\n\t\tgeometryInfo.count = hasIndex ? geometryInfo.indexCount : geometryInfo.vertexCount;\n\n\t\t// store the bounding boxes\n\t\tgeometryInfo.boundingBox = null;\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tgeometryInfo.boundingBox = geometry.boundingBox.clone();\n\n\t\t}\n\n\t\tgeometryInfo.boundingSphere = null;\n\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\tgeometryInfo.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t}\n\n\t\tthis._visibilityChanged = true;\n\t\treturn geometryId;\n\n\t}\n\n\t/**\n\t * Deletes the geometry defined by the given ID from this batch. Any instances referencing\n\t * this geometry will also be removed as a side effect.\n\t *\n\t * @param {number} geometryId - The ID of the geometry to remove from the batch.\n\t * @return {BatchedMesh} A reference to this batched mesh.\n\t */\n\tdeleteGeometry( geometryId ) {\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tif ( geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\t// delete any instances associated with this geometry\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active && instanceInfo[ i ].geometryIndex === geometryId ) {\n\n\t\t\t\tthis.deleteInstance( i );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometryInfoList[ geometryId ].active = false;\n\t\tthis._availableGeometryIds.push( geometryId );\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Deletes an existing instance from the batch using the given ID.\n\t *\n\t * @param {number} instanceId - The ID of the instance to remove from the batch.\n\t * @return {BatchedMesh} A reference to this batched mesh.\n\t */\n\tdeleteInstance( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tthis._instanceInfo[ instanceId ].active = false;\n\t\tthis._availableInstanceIds.push( instanceId );\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Repacks the sub geometries in [name] to remove any unused space remaining from\n\t * previously deleted geometry, freeing up space to add new geometry.\n\t *\n\t * @param {number} instanceId - The ID of the instance to remove from the batch.\n\t * @return {BatchedMesh} A reference to this batched mesh.\n\t */\n\toptimize() {\n\n\t\t// track the next indices to copy data to\n\t\tlet nextVertexStart = 0;\n\t\tlet nextIndexStart = 0;\n\n\t\t// Iterate over all geometry ranges in order sorted from earliest in the geometry buffer to latest\n\t\t// in the geometry buffer. Because draw range objects can be reused there is no guarantee of their order.\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst indices = geometryInfoList\n\t\t\t.map( ( e, i ) => i )\n\t\t\t.sort( ( a, b ) => {\n\n\t\t\t\treturn geometryInfoList[ a ].vertexStart - geometryInfoList[ b ].vertexStart;\n\n\t\t\t} );\n\n\t\tconst geometry = this.geometry;\n\t\tfor ( let i = 0, l = geometryInfoList.length; i < l; i ++ ) {\n\n\t\t\t// if a geometry range is inactive then don't copy anything\n\t\t\tconst index = indices[ i ];\n\t\t\tconst geometryInfo = geometryInfoList[ index ];\n\t\t\tif ( geometryInfo.active === false ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// if a geometry contains an index buffer then shift it, as well\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\tif ( geometryInfo.indexStart !== nextIndexStart ) {\n\n\t\t\t\t\tconst { indexStart, vertexStart, reservedIndexCount } = geometryInfo;\n\t\t\t\t\tconst index = geometry.index;\n\t\t\t\t\tconst array = index.array;\n\n\t\t\t\t\t// shift the index pointers based on how the vertex data will shift\n\t\t\t\t\t// adjusting the index must happen first so the original vertex start value is available\n\t\t\t\t\tconst elementDelta = nextVertexStart - vertexStart;\n\t\t\t\t\tfor ( let j = indexStart; j < indexStart + reservedIndexCount; j ++ ) {\n\n\t\t\t\t\t\tarray[ j ] = array[ j ] + elementDelta;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tindex.array.copyWithin( nextIndexStart, indexStart, indexStart + reservedIndexCount );\n\t\t\t\t\tindex.addUpdateRange( nextIndexStart, reservedIndexCount );\n\n\t\t\t\t\tgeometryInfo.indexStart = nextIndexStart;\n\n\t\t\t\t}\n\n\t\t\t\tnextIndexStart += geometryInfo.reservedIndexCount;\n\n\t\t\t}\n\n\t\t\t// if a geometry needs to be moved then copy attribute data to overwrite unused space\n\t\t\tif ( geometryInfo.vertexStart !== nextVertexStart ) {\n\n\t\t\t\tconst { vertexStart, reservedVertexCount } = geometryInfo;\n\t\t\t\tconst attributes = geometry.attributes;\n\t\t\t\tfor ( const key in attributes ) {\n\n\t\t\t\t\tconst attribute = attributes[ key ];\n\t\t\t\t\tconst { array, itemSize } = attribute;\n\t\t\t\t\tarray.copyWithin( nextVertexStart * itemSize, vertexStart * itemSize, ( vertexStart + reservedVertexCount ) * itemSize );\n\t\t\t\t\tattribute.addUpdateRange( nextVertexStart * itemSize, reservedVertexCount * itemSize );\n\n\t\t\t\t}\n\n\t\t\t\tgeometryInfo.vertexStart = nextVertexStart;\n\n\t\t\t}\n\n\t\t\tnextVertexStart += geometryInfo.reservedVertexCount;\n\t\t\tgeometryInfo.start = geometry.index ? geometryInfo.indexStart : geometryInfo.vertexStart;\n\n\t\t\t// step the next geometry points to the shifted position\n\t\t\tthis._nextIndexStart = geometry.index ? geometryInfo.indexStart + geometryInfo.reservedIndexCount : 0;\n\t\t\tthis._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the bounding box for the given geometry.\n\t *\n\t * @param {number} geometryId - The ID of the geometry to return the bounding box for.\n\t * @param {Box3} target - The target object that is used to store the method's result.\n\t * @return {?Box3} The geometry's bounding box. Returns `null` if no geometry has been found for the given ID.\n\t */\n\tgetBoundingBoxAt( geometryId, target ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// compute bounding box\n\t\tconst geometry = this.geometry;\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif ( geometryInfo.boundingBox === null ) {\n\n\t\t\tconst box = new Box3();\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tfor ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) {\n\n\t\t\t\tlet iv = i;\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tiv = index.getX( iv );\n\n\t\t\t\t}\n\n\t\t\t\tbox.expandByPoint( _vector$5.fromBufferAttribute( position, iv ) );\n\n\t\t\t}\n\n\t\t\tgeometryInfo.boundingBox = box;\n\n\t\t}\n\n\t\ttarget.copy( geometryInfo.boundingBox );\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Returns the bounding sphere for the given geometry.\n\t *\n\t * @param {number} geometryId - The ID of the geometry to return the bounding sphere for.\n\t * @param {Sphere} target - The target object that is used to store the method's result.\n\t * @return {?Sphere} The geometry's bounding sphere. Returns `null` if no geometry has been found for the given ID.\n\t */\n\tgetBoundingSphereAt( geometryId, target ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// compute bounding sphere\n\t\tconst geometry = this.geometry;\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif ( geometryInfo.boundingSphere === null ) {\n\n\t\t\tconst sphere = new Sphere();\n\t\t\tthis.getBoundingBoxAt( geometryId, _box$1 );\n\t\t\t_box$1.getCenter( sphere.center );\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tlet maxRadiusSq = 0;\n\t\t\tfor ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) {\n\n\t\t\t\tlet iv = i;\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tiv = index.getX( iv );\n\n\t\t\t\t}\n\n\t\t\t\t_vector$5.fromBufferAttribute( position, iv );\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, sphere.center.distanceToSquared( _vector$5 ) );\n\n\t\t\t}\n\n\t\t\tsphere.radius = Math.sqrt( maxRadiusSq );\n\t\t\tgeometryInfo.boundingSphere = sphere;\n\n\t\t}\n\n\t\ttarget.copy( geometryInfo.boundingSphere );\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Sets the given local transformation matrix to the defined instance.\n\t * Negatively scaled matrices are not supported.\n\t *\n\t * @param {number} instanceId - The ID of an instance to set the matrix of.\n\t * @param {Matrix4} matrix - A 4x4 matrix representing the local transformation of a single instance.\n\t * @return {BatchedMesh} A reference to this batched mesh.\n\t */\n\tsetMatrixAt( instanceId, matrix ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tconst matricesTexture = this._matricesTexture;\n\t\tconst matricesArray = this._matricesTexture.image.data;\n\t\tmatrix.toArray( matricesArray, instanceId * 16 );\n\t\tmatricesTexture.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the local transformation matrix of the defined instance.\n\t *\n\t * @param {number} instanceId - The ID of an instance to get the matrix of.\n\t * @param {Matrix4} matrix - The target object that is used to store the method's result.\n\t * @return {Matrix4} The instance's local transformation matrix.\n\t */\n\tgetMatrixAt( instanceId, matrix ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\treturn matrix.fromArray( this._matricesTexture.image.data, instanceId * 16 );\n\n\t}\n\n\t/**\n\t * Sets the given color to the defined instance.\n\t *\n\t * @param {number} instanceId - The ID of an instance to set the color of.\n\t * @param {Color} color - The color to set the instance to.\n\t * @return {BatchedMesh} A reference to this batched mesh.\n\t */\n\tsetColorAt( instanceId, color ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tif ( this._colorsTexture === null ) {\n\n\t\t\tthis._initColorsTexture();\n\n\t\t}\n\n\t\tcolor.toArray( this._colorsTexture.image.data, instanceId * 4 );\n\t\tthis._colorsTexture.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the color of the defined instance.\n\t *\n\t * @param {number} instanceId - The ID of an instance to get the color of.\n\t * @param {Color} color - The target object that is used to store the method's result.\n\t * @return {Color} The instance's color.\n\t */\n\tgetColorAt( instanceId, color ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\treturn color.fromArray( this._colorsTexture.image.data, instanceId * 4 );\n\n\t}\n\n\t/**\n\t * Sets the visibility of the instance.\n\t *\n\t * @param {number} instanceId - The id of the instance to set the visibility of.\n\t * @param {boolean} visible - Whether the instance is visible or not.\n\t * @return {BatchedMesh} A reference to this batched mesh.\n\t */\n\tsetVisibleAt( instanceId, visible ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tif ( this._instanceInfo[ instanceId ].visible === visible ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis._instanceInfo[ instanceId ].visible = visible;\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the visibility state of the defined instance.\n\t *\n\t * @param {number} instanceId - The ID of an instance to get the visibility state of.\n\t * @return {boolean} Whether the instance is visible or not.\n\t */\n\tgetVisibleAt( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\treturn this._instanceInfo[ instanceId ].visible;\n\n\t}\n\n\t/**\n\t * Sets the geometry ID of the instance at the given index.\n\t *\n\t * @param {number} instanceId - The ID of the instance to set the geometry ID of.\n\t * @param {number} geometryId - The geometry ID to be use by the instance.\n\t * @return {BatchedMesh} A reference to this batched mesh.\n\t */\n\tsetGeometryIdAt( instanceId, geometryId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\tthis.validateGeometryId( geometryId );\n\n\t\tthis._instanceInfo[ instanceId ].geometryIndex = geometryId;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the geometry ID of the defined instance.\n\t *\n\t * @param {number} instanceId - The ID of an instance to get the geometry ID of.\n\t * @return {number} The instance's geometry ID.\n\t */\n\tgetGeometryIdAt( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\treturn this._instanceInfo[ instanceId ].geometryIndex;\n\n\t}\n\n\t/**\n\t * Get the range representing the subset of triangles related to the attached geometry,\n\t * indicating the starting offset and count, or `null` if invalid.\n\t *\n\t * @param {number} geometryId - The id of the geometry to get the range of.\n\t * @param {Object} [target] - The target object that is used to store the method's result.\n\t * @return {{\n\t * \tvertexStart:number,vertexCount:number,reservedVertexCount:number,\n\t * \tindexStart:number,indexCount:number,reservedIndexCount:number,\n\t * \tstart:number,count:number\n\t * }} The result object with range data.\n\t */\n\tgetGeometryRangeAt( geometryId, target = {} ) {\n\n\t\tthis.validateGeometryId( geometryId );\n\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\ttarget.vertexStart = geometryInfo.vertexStart;\n\t\ttarget.vertexCount = geometryInfo.vertexCount;\n\t\ttarget.reservedVertexCount = geometryInfo.reservedVertexCount;\n\n\t\ttarget.indexStart = geometryInfo.indexStart;\n\t\ttarget.indexCount = geometryInfo.indexCount;\n\t\ttarget.reservedIndexCount = geometryInfo.reservedIndexCount;\n\n\t\ttarget.start = geometryInfo.start;\n\t\ttarget.count = geometryInfo.count;\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Resizes the necessary buffers to support the provided number of instances.\n\t * If the provided arguments shrink the number of instances but there are not enough\n\t * unused Ids at the end of the list then an error is thrown.\n\t *\n\t * @param {number} maxInstanceCount - The max number of individual instances that can be added and rendered by the batch.\n\t*/\n\tsetInstanceCount( maxInstanceCount ) {\n\n\t\t// shrink the available instances as much as possible\n\t\tconst availableInstanceIds = this._availableInstanceIds;\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tavailableInstanceIds.sort( ascIdSort );\n\t\twhile ( availableInstanceIds[ availableInstanceIds.length - 1 ] === instanceInfo.length - 1 ) {\n\n\t\t\tinstanceInfo.pop();\n\t\t\tavailableInstanceIds.pop();\n\n\t\t}\n\n\t\t// throw an error if it can't be shrunk to the desired size\n\t\tif ( maxInstanceCount < instanceInfo.length ) {\n\n\t\t\tthrow new Error( `BatchedMesh: Instance ids outside the range ${ maxInstanceCount } are being used. Cannot shrink instance count.` );\n\n\t\t}\n\n\t\t// copy the multi draw counts\n\t\tconst multiDrawCounts = new Int32Array( maxInstanceCount );\n\t\tconst multiDrawStarts = new Int32Array( maxInstanceCount );\n\t\tcopyArrayContents( this._multiDrawCounts, multiDrawCounts );\n\t\tcopyArrayContents( this._multiDrawStarts, multiDrawStarts );\n\n\t\tthis._multiDrawCounts = multiDrawCounts;\n\t\tthis._multiDrawStarts = multiDrawStarts;\n\t\tthis._maxInstanceCount = maxInstanceCount;\n\n\t\t// update texture data for instance sampling\n\t\tconst indirectTexture = this._indirectTexture;\n\t\tconst matricesTexture = this._matricesTexture;\n\t\tconst colorsTexture = this._colorsTexture;\n\n\t\tindirectTexture.dispose();\n\t\tthis._initIndirectTexture();\n\t\tcopyArrayContents( indirectTexture.image.data, this._indirectTexture.image.data );\n\n\t\tmatricesTexture.dispose();\n\t\tthis._initMatricesTexture();\n\t\tcopyArrayContents( matricesTexture.image.data, this._matricesTexture.image.data );\n\n\t\tif ( colorsTexture ) {\n\n\t\t\tcolorsTexture.dispose();\n\t\t\tthis._initColorsTexture();\n\t\t\tcopyArrayContents( colorsTexture.image.data, this._colorsTexture.image.data );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Resizes the available space in the batch's vertex and index buffer attributes to the provided sizes.\n\t * If the provided arguments shrink the geometry buffers but there is not enough unused space at the\n\t * end of the geometry attributes then an error is thrown.\n\t *\n\t * @param {number} maxVertexCount - The maximum number of vertices to be used by all unique geometries to resize to.\n\t * @param {number} maxIndexCount - The maximum number of indices to be used by all unique geometries to resize to.\n\t*/\n\tsetGeometrySize( maxVertexCount, maxIndexCount ) {\n\n\t\t// Check if we can shrink to the requested vertex attribute size\n\t\tconst validRanges = [ ...this._geometryInfo ].filter( info => info.active );\n\t\tconst requiredVertexLength = Math.max( ...validRanges.map( range => range.vertexStart + range.reservedVertexCount ) );\n\t\tif ( requiredVertexLength > maxVertexCount ) {\n\n\t\t\tthrow new Error( `BatchedMesh: Geometry vertex values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` );\n\n\t\t}\n\n\t\t// Check if we can shrink to the requested index attribute size\n\t\tif ( this.geometry.index ) {\n\n\t\t\tconst requiredIndexLength = Math.max( ...validRanges.map( range => range.indexStart + range.reservedIndexCount ) );\n\t\t\tif ( requiredIndexLength > maxIndexCount ) {\n\n\t\t\t\tthrow new Error( `BatchedMesh: Geometry index values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\t// dispose of the previous geometry\n\t\tconst oldGeometry = this.geometry;\n\t\toldGeometry.dispose();\n\n\t\t// recreate the geometry needed based on the previous variant\n\t\tthis._maxVertexCount = maxVertexCount;\n\t\tthis._maxIndexCount = maxIndexCount;\n\n\t\tif ( this._geometryInitialized ) {\n\n\t\t\tthis._geometryInitialized = false;\n\t\t\tthis.geometry = new BufferGeometry();\n\t\t\tthis._initializeGeometry( oldGeometry );\n\n\t\t}\n\n\t\t// copy data from the previous geometry\n\t\tconst geometry = this.geometry;\n\t\tif ( oldGeometry.index ) {\n\n\t\t\tcopyArrayContents( oldGeometry.index.array, geometry.index.array );\n\n\t\t}\n\n\t\tfor ( const key in oldGeometry.attributes ) {\n\n\t\t\tcopyArrayContents( oldGeometry.attributes[ key ].array, geometry.attributes[ key ].array );\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst batchGeometry = this.geometry;\n\n\t\t// iterate over each geometry\n\t\t_mesh.material = this.material;\n\t\t_mesh.geometry.index = batchGeometry.index;\n\t\t_mesh.geometry.attributes = batchGeometry.attributes;\n\t\tif ( _mesh.geometry.boundingBox === null ) {\n\n\t\t\t_mesh.geometry.boundingBox = new Box3();\n\n\t\t}\n\n\t\tif ( _mesh.geometry.boundingSphere === null ) {\n\n\t\t\t_mesh.geometry.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( ! instanceInfo[ i ].visible || ! instanceInfo[ i ].active ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t_mesh.geometry.setDrawRange( geometryInfo.start, geometryInfo.count );\n\n\t\t\t// get the intersects\n\t\t\tthis.getMatrixAt( i, _mesh.matrixWorld ).premultiply( matrixWorld );\n\t\t\tthis.getBoundingBoxAt( geometryId, _mesh.geometry.boundingBox );\n\t\t\tthis.getBoundingSphereAt( geometryId, _mesh.geometry.boundingSphere );\n\t\t\t_mesh.raycast( raycaster, _batchIntersects );\n\n\t\t\t// add batch id to the intersects\n\t\t\tfor ( let j = 0, l = _batchIntersects.length; j < l; j ++ ) {\n\n\t\t\t\tconst intersect = _batchIntersects[ j ];\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersect.batchId = i;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_batchIntersects.length = 0;\n\n\t\t}\n\n\t\t_mesh.material = null;\n\t\t_mesh.geometry.index = null;\n\t\t_mesh.geometry.attributes = {};\n\t\t_mesh.geometry.setDrawRange( 0, Infinity );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.geometry = source.geometry.clone();\n\t\tthis.perObjectFrustumCulled = source.perObjectFrustumCulled;\n\t\tthis.sortObjects = source.sortObjects;\n\t\tthis.boundingBox = source.boundingBox !== null ? source.boundingBox.clone() : null;\n\t\tthis.boundingSphere = source.boundingSphere !== null ? source.boundingSphere.clone() : null;\n\n\t\tthis._geometryInfo = source._geometryInfo.map( info => ( {\n\t\t\t...info,\n\n\t\t\tboundingBox: info.boundingBox !== null ? info.boundingBox.clone() : null,\n\t\t\tboundingSphere: info.boundingSphere !== null ? info.boundingSphere.clone() : null,\n\t\t} ) );\n\t\tthis._instanceInfo = source._instanceInfo.map( info => ( { ...info } ) );\n\n\t\tthis._availableInstanceIds = source._availableInstanceIds.slice();\n\t\tthis._availableGeometryIds = source._availableGeometryIds.slice();\n\n\t\tthis._nextIndexStart = source._nextIndexStart;\n\t\tthis._nextVertexStart = source._nextVertexStart;\n\t\tthis._geometryCount = source._geometryCount;\n\n\t\tthis._maxInstanceCount = source._maxInstanceCount;\n\t\tthis._maxVertexCount = source._maxVertexCount;\n\t\tthis._maxIndexCount = source._maxIndexCount;\n\n\t\tthis._geometryInitialized = source._geometryInitialized;\n\t\tthis._multiDrawCounts = source._multiDrawCounts.slice();\n\t\tthis._multiDrawStarts = source._multiDrawStarts.slice();\n\n\t\tthis._indirectTexture = source._indirectTexture.clone();\n\t\tthis._indirectTexture.image.data = this._indirectTexture.image.data.slice();\n\n\t\tthis._matricesTexture = source._matricesTexture.clone();\n\t\tthis._matricesTexture.image.data = this._matricesTexture.image.data.slice();\n\n\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\tthis._colorsTexture = source._colorsTexture.clone();\n\t\t\tthis._colorsTexture.image.data = this._colorsTexture.image.data.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\t// Assuming the geometry is not shared with other meshes\n\t\tthis.geometry.dispose();\n\n\t\tthis._matricesTexture.dispose();\n\t\tthis._matricesTexture = null;\n\n\t\tthis._indirectTexture.dispose();\n\t\tthis._indirectTexture = null;\n\n\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\tthis._colorsTexture.dispose();\n\t\t\tthis._colorsTexture = null;\n\n\t\t}\n\n\t}\n\n\tonBeforeRender( renderer, scene, camera, geometry, material/*, _group*/ ) {\n\n\t\t// if visibility has not changed and frustum culling and object sorting is not required\n\t\t// then skip iterating over all items\n\t\tif ( ! this._visibilityChanged && ! this.perObjectFrustumCulled && ! this.sortObjects ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// the indexed version of the multi draw function requires specifying the start\n\t\t// offset in bytes.\n\t\tconst index = geometry.getIndex();\n\t\tconst bytesPerElement = index === null ? 1 : index.array.BYTES_PER_ELEMENT;\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tconst multiDrawStarts = this._multiDrawStarts;\n\t\tconst multiDrawCounts = this._multiDrawCounts;\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst perObjectFrustumCulled = this.perObjectFrustumCulled;\n\t\tconst indirectTexture = this._indirectTexture;\n\t\tconst indirectArray = indirectTexture.image.data;\n\n\t\tconst frustum = camera.isArrayCamera ? _frustumArray : _frustum;\n\t\t// prepare the frustum in the local frame\n\t\tif ( perObjectFrustumCulled && ! camera.isArrayCamera ) {\n\n\t\t\t_matrix$1\n\t\t\t\t.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse )\n\t\t\t\t.multiply( this.matrixWorld );\n\n\t\t\t_frustum.setFromProjectionMatrix(\n\t\t\t\t_matrix$1,\n\t\t\t\tcamera.coordinateSystem,\n\t\t\t\tcamera.reversedDepth\n\t\t\t);\n\n\t\t}\n\n\t\tlet multiDrawCount = 0;\n\t\tif ( this.sortObjects ) {\n\n\t\t\t// get the camera position in the local frame\n\t\t\t_matrix$1.copy( this.matrixWorld ).invert();\n\t\t\t_vector$5.setFromMatrixPosition( camera.matrixWorld ).applyMatrix4( _matrix$1 );\n\t\t\t_forward$1.set( 0, 0, -1 ).transformDirection( camera.matrixWorld ).transformDirection( _matrix$1 );\n\n\t\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\t\tif ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) {\n\n\t\t\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\n\t\t\t\t\t// get the bounds in world space\n\t\t\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\n\t\t\t\t\t// determine whether the batched geometry is within the frustum\n\t\t\t\t\tlet culled = false;\n\t\t\t\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t\t\t\tculled = ! frustum.intersectsSphere( _sphere$2, camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! culled ) {\n\n\t\t\t\t\t\t// get the distance from camera used for sorting\n\t\t\t\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t\t\t\tconst z = _temp.subVectors( _sphere$2.center, _vector$5 ).dot( _forward$1 );\n\t\t\t\t\t\t_renderList.push( geometryInfo.start, geometryInfo.count, z, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Sort the draw ranges and prep for rendering\n\t\t\tconst list = _renderList.list;\n\t\t\tconst customSort = this.customSort;\n\t\t\tif ( customSort === null ) {\n\n\t\t\t\tlist.sort( material.transparent ? sortTransparent : sortOpaque );\n\n\t\t\t} else {\n\n\t\t\t\tcustomSort.call( this, list, camera );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = list.length; i < l; i ++ ) {\n\n\t\t\t\tconst item = list[ i ];\n\t\t\t\tmultiDrawStarts[ multiDrawCount ] = item.start * bytesPerElement;\n\t\t\t\tmultiDrawCounts[ multiDrawCount ] = item.count;\n\t\t\t\tindirectArray[ multiDrawCount ] = item.index;\n\t\t\t\tmultiDrawCount ++;\n\n\t\t\t}\n\n\t\t\t_renderList.reset();\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\t\tif ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) {\n\n\t\t\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\n\t\t\t\t\t// determine whether the batched geometry is within the frustum\n\t\t\t\t\tlet culled = false;\n\t\t\t\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t\t\t\t// get the bounds in world space\n\t\t\t\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\t\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\t\t\t\t\t\tculled = ! frustum.intersectsSphere( _sphere$2, camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! culled ) {\n\n\t\t\t\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t\t\t\tmultiDrawStarts[ multiDrawCount ] = geometryInfo.start * bytesPerElement;\n\t\t\t\t\t\tmultiDrawCounts[ multiDrawCount ] = geometryInfo.count;\n\t\t\t\t\t\tindirectArray[ multiDrawCount ] = i;\n\t\t\t\t\t\tmultiDrawCount ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tindirectTexture.needsUpdate = true;\n\t\tthis._multiDrawCount = multiDrawCount;\n\t\tthis._visibilityChanged = false;\n\n\t}\n\n\tonBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial/* , group */ ) {\n\n\t\tthis.onBeforeRender( renderer, null, shadowCamera, geometry, depthMaterial );\n\n\t}\n\n}\n\n/**\n * A material for rendering line primitives.\n *\n * Materials define the appearance of renderable 3D objects.\n *\n * ```js\n * const material = new THREE.LineBasicMaterial( { color: 0xffffff } );\n * ```\n *\n * @augments Material\n */\nclass LineBasicMaterial extends Material {\n\n\t/**\n\t * Constructs a new line basic material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLineBasicMaterial = true;\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff );\n\n\t\t/**\n\t\t * Sets the color of the lines using data from a texture. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * Controls line thickness or lines.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}. WebGL and WebGPU\n\t\t * ignore this setting and always render line primitives with a\n\t\t * width of one pixel.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.linewidth = 1;\n\n\t\t/**\n\t\t * Defines appearance of line ends.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('butt'|'round'|'square')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.linecap = 'round';\n\n\t\t/**\n\t\t * Defines appearance of line joints.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.linejoin = 'round';\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vStart = /*@__PURE__*/ new Vector3();\nconst _vEnd = /*@__PURE__*/ new Vector3();\n\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nconst _intersectPointOnRay = /*@__PURE__*/ new Vector3();\nconst _intersectPointOnSegment = /*@__PURE__*/ new Vector3();\n\n/**\n * A continuous line. The line are rendered by connecting consecutive\n * vertices with straight lines.\n *\n * ```js\n * const material = new THREE.LineBasicMaterial( { color: 0x0000ff } );\n *\n * const points = [];\n * points.push( new THREE.Vector3( - 10, 0, 0 ) );\n * points.push( new THREE.Vector3( 0, 10, 0 ) );\n * points.push( new THREE.Vector3( 10, 0, 0 ) );\n *\n * const geometry = new THREE.BufferGeometry().setFromPoints( points );\n *\n * const line = new THREE.Line( geometry, material );\n * scene.add( line );\n * ```\n *\n * @augments Object3D\n */\nclass Line extends Object3D {\n\n\t/**\n\t * Constructs a new line.\n\t *\n\t * @param {BufferGeometry} [geometry] - The line geometry.\n\t * @param {Material|Array} [material] - The line material.\n\t */\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLine = true;\n\n\t\tthis.type = 'Line';\n\n\t\t/**\n\t\t * The line geometry.\n\t\t *\n\t\t * @type {BufferGeometry}\n\t\t */\n\t\tthis.geometry = geometry;\n\n\t\t/**\n\t\t * The line material.\n\t\t *\n\t\t * @type {Material|Array}\n\t\t * @default LineBasicMaterial\n\t\t */\n\t\tthis.material = material;\n\n\t\t/**\n\t\t * A dictionary representing the morph targets in the geometry. The key is the\n\t\t * morph targets name, the value its attribute index. This member is `undefined`\n\t\t * by default and only set when morph targets are detected in the geometry.\n\t\t *\n\t\t * @type {Object|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.morphTargetDictionary = undefined;\n\n\t\t/**\n\t\t * An array of weights typically in the range `[0,1]` that specify how much of the morph\n\t\t * is applied. This member is `undefined` by default and only set when morph targets are\n\t\t * detected in the geometry.\n\t\t *\n\t\t * @type {Array|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.morphTargetInfluences = undefined;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes an array of distance values which are necessary for rendering dashed lines.\n\t * For each vertex in the geometry, the method calculates the cumulative length from the\n\t * current point to the very beginning of the line.\n\t *\n\t * @return {Line} A reference to this line.\n\t */\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t_vStart.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t_vEnd.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i ] += _vStart.distanceTo( _vEnd );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\twarn( 'Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes intersection points between a casted ray and this line.\n\t *\n\t * @param {Raycaster} raycaster - The raycaster.\n\t * @param {Array} intersects - The target array that holds the intersection points.\n\t */\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst a = index.getX( i );\n\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, i );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.isLineLoop ) {\n\n\t\t\t\tconst a = index.getX( end - 1 );\n\t\t\t\tconst b = index.getX( start );\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, end - 1 );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, i, i + 1, i );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.isLineLoop ) {\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, end - 1, start, end - 1 );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Sets the values of {@link Line#morphTargetDictionary} and {@link Line#morphTargetInfluences}\n\t * to make sure existing morph targets can influence this 3D object.\n\t */\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection( object, raycaster, ray, thresholdSq, a, b, i ) {\n\n\tconst positionAttribute = object.geometry.attributes.position;\n\n\t_vStart.fromBufferAttribute( positionAttribute, a );\n\t_vEnd.fromBufferAttribute( positionAttribute, b );\n\n\tconst distSq = ray.distanceSqToSegment( _vStart, _vEnd, _intersectPointOnRay, _intersectPointOnSegment );\n\n\tif ( distSq > thresholdSq ) return;\n\n\t_intersectPointOnRay.applyMatrix4( object.matrixWorld ); // Move back to world space for distance calculation\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectPointOnRay );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\treturn {\n\n\t\tdistance: distance,\n\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t// point: raycaster.ray.at( distance ),\n\t\tpoint: _intersectPointOnSegment.clone().applyMatrix4( object.matrixWorld ),\n\t\tindex: i,\n\t\tface: null,\n\t\tfaceIndex: null,\n\t\tbarycoord: null,\n\t\tobject: object\n\n\t};\n\n}\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\n/**\n * A series of lines drawn between pairs of vertices.\n *\n * @augments Line\n */\nclass LineSegments extends Line {\n\n\t/**\n\t * Constructs a new line segments.\n\t *\n\t * @param {BufferGeometry} [geometry] - The line geometry.\n\t * @param {Material|Array} [material] - The line material.\n\t */\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLineSegments = true;\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [];\n\n\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\twarn( 'LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A continuous line. This is nearly the same as {@link Line} the only difference\n * is that the last vertex is connected with the first vertex in order to close\n * the line to form a loop.\n *\n * @augments Line\n */\nclass LineLoop extends Line {\n\n\t/**\n\t * Constructs a new line loop.\n\t *\n\t * @param {BufferGeometry} [geometry] - The line geometry.\n\t * @param {Material|Array} [material] - The line material.\n\t */\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLineLoop = true;\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\n/**\n * A material for rendering point primitives.\n *\n * Materials define the appearance of renderable 3D objects.\n *\n * ```js\n * const vertices = [];\n *\n * for ( let i = 0; i < 10000; i ++ ) {\n * \tconst x = THREE.MathUtils.randFloatSpread( 2000 );\n * \tconst y = THREE.MathUtils.randFloatSpread( 2000 );\n * \tconst z = THREE.MathUtils.randFloatSpread( 2000 );\n *\n * \tvertices.push( x, y, z );\n * }\n *\n * const geometry = new THREE.BufferGeometry();\n * geometry.setAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );\n * const material = new THREE.PointsMaterial( { color: 0x888888 } );\n * const points = new THREE.Points( geometry, material );\n * scene.add( points );\n * ```\n *\n * @augments Material\n */\nclass PointsMaterial extends Material {\n\n\t/**\n\t * Constructs a new points material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isPointsMaterial = true;\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff );\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * Defines the size of the points in pixels.\n\t\t *\n\t\t * Might be capped if the value exceeds hardware dependent parameters like [gl.ALIASED_POINT_SIZE_RANGE](https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getParamete).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.size = 1;\n\n\t\t/**\n\t\t * Specifies whether size of individual points is attenuated by the camera depth (perspective camera only).\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.sizeAttenuation = true;\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\n/**\n * A class for displaying points or point clouds.\n *\n * @augments Object3D\n */\nclass Points extends Object3D {\n\n\t/**\n\t * Constructs a new point cloud.\n\t *\n\t * @param {BufferGeometry} [geometry] - The points geometry.\n\t * @param {Material|Array} [material] - The points material.\n\t */\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isPoints = true;\n\n\t\tthis.type = 'Points';\n\n\t\t/**\n\t\t * The points geometry.\n\t\t *\n\t\t * @type {BufferGeometry}\n\t\t */\n\t\tthis.geometry = geometry;\n\n\t\t/**\n\t\t * The line material.\n\t\t *\n\t\t * @type {Material|Array}\n\t\t * @default PointsMaterial\n\t\t */\n\t\tthis.material = material;\n\n\t\t/**\n\t\t * A dictionary representing the morph targets in the geometry. The key is the\n\t\t * morph targets name, the value its attribute index. This member is `undefined`\n\t\t * by default and only set when morph targets are detected in the geometry.\n\t\t *\n\t\t * @type {Object|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.morphTargetDictionary = undefined;\n\n\t\t/**\n\t\t * An array of weights typically in the range `[0,1]` that specify how much of the morph\n\t\t * is applied. This member is `undefined` by default and only set when morph targets are\n\t\t * detected in the geometry.\n\t\t *\n\t\t * @type {Array|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.morphTargetInfluences = undefined;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes intersection points between a casted ray and this point cloud.\n\t *\n\t * @param {Raycaster} raycaster - The raycaster.\n\t * @param {Array} intersects - The target array that holds the intersection points.\n\t */\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Sets the values of {@link Points#morphTargetDictionary} and {@link Points#morphTargetInfluences}\n\t * to make sure existing morph targets can influence this 3D object.\n\t */\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tfaceIndex: null,\n\t\t\tbarycoord: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\n/**\n * A texture for use with a video.\n *\n * ```js\n * // assuming you have created a HTML video element with id=\"video\"\n * const video = document.getElementById( 'video' );\n * const texture = new THREE.VideoTexture( video );\n * ```\n *\n * Note: When using video textures with {@link WebGPURenderer}, {@link Texture#colorSpace} must be\n * set to THREE.SRGBColorSpace.\n *\n * Note: After the initial use of a texture, its dimensions, format, and type\n * cannot be changed. Instead, call {@link Texture#dispose} on the texture and instantiate a new one.\n *\n * @augments Texture\n */\nclass VideoTexture extends Texture {\n\n\t/**\n\t * Constructs a new video texture.\n\t *\n\t * @param {HTMLVideoElement} video - The video element to use as a data source for the texture.\n\t * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping.\n\t * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.\n\t * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.\n\t * @param {number} [magFilter=LinearFilter] - The mag filter value.\n\t * @param {number} [minFilter=LinearFilter] - The min filter value.\n\t * @param {number} [format=RGBAFormat] - The texture format.\n\t * @param {number} [type=UnsignedByteType] - The texture type.\n\t * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.\n\t */\n\tconstructor( video, mapping, wrapS, wrapT, magFilter = LinearFilter, minFilter = LinearFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isVideoTexture = true;\n\n\t\t/**\n\t\t * Whether to generate mipmaps (if possible) for a texture.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.generateMipmaps = false;\n\n\t\t/**\n\t\t * The video frame request callback identifier, which is a positive integer.\n\t\t *\n\t\t * Value of 0 represents no scheduled rVFC.\n\t\t *\n\t\t * @private\n\t\t * @type {number}\n\t\t */\n\t\tthis._requestVideoFrameCallbackId = 0;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tscope._requestVideoFrameCallbackId = video.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tthis._requestVideoFrameCallbackId = video.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\t/**\n\t * This method is called automatically by the renderer and sets {@link Texture#needsUpdate}\n\t * to `true` every time a new frame is available.\n\t *\n\t * Only relevant if `requestVideoFrameCallback` is not supported in the browser.\n\t */\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this._requestVideoFrameCallbackId !== 0 ) {\n\n\t\t\tthis.source.data.cancelVideoFrameCallback( this._requestVideoFrameCallbackId );\n\n\t\t\tthis._requestVideoFrameCallbackId = 0;\n\n\t\t}\n\n\t\tsuper.dispose();\n\n\t}\n\n}\n\n/**\n * This class can be used as an alternative way to define video data. Instead of using\n * an instance of `HTMLVideoElement` like with `VideoTexture`, `VideoFrameTexture` expects each frame is\n * defined manually via {@link VideoFrameTexture#setFrame}. A typical use case for this module is when\n * video frames are decoded with the WebCodecs API.\n *\n * ```js\n * const texture = new THREE.VideoFrameTexture();\n * texture.setFrame( frame );\n * ```\n *\n * @augments VideoTexture\n */\nclass VideoFrameTexture extends VideoTexture {\n\n\t/**\n\t * Constructs a new video frame texture.\n\t *\n\t * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping.\n\t * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.\n\t * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.\n\t * @param {number} [magFilter=LinearFilter] - The mag filter value.\n\t * @param {number} [minFilter=LinearFilter] - The min filter value.\n\t * @param {number} [format=RGBAFormat] - The texture format.\n\t * @param {number} [type=UnsignedByteType] - The texture type.\n\t * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.\n\t */\n\tconstructor( mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( {}, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isVideoFrameTexture = true;\n\n\t}\n\n\t/**\n\t * This method overwritten with an empty implementation since\n\t * this type of texture is updated via `setFrame()`.\n\t */\n\tupdate() {}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this ); // restoring Texture.clone()\n\n\t}\n\n\t/**\n\t * Sets the current frame of the video. This will automatically update the texture\n\t * so the data can be used for rendering.\n\t *\n\t * @param {VideoFrame} frame - The video frame.\n\t */\n\tsetFrame( frame ) {\n\n\t\tthis.image = frame;\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\n/**\n * This class can only be used in combination with `copyFramebufferToTexture()` methods\n * of renderers. It extracts the contents of the current bound framebuffer and provides it\n * as a texture for further usage.\n *\n * ```js\n * const pixelRatio = window.devicePixelRatio;\n * const textureSize = 128 * pixelRatio;\n *\n * const frameTexture = new FramebufferTexture( textureSize, textureSize );\n *\n * // calculate start position for copying part of the frame data\n * const vector = new Vector2();\n * vector.x = ( window.innerWidth * pixelRatio / 2 ) - ( textureSize / 2 );\n * vector.y = ( window.innerHeight * pixelRatio / 2 ) - ( textureSize / 2 );\n *\n * renderer.render( scene, camera );\n *\n * // copy part of the rendered frame into the framebuffer texture\n * renderer.copyFramebufferToTexture( frameTexture, vector );\n * ```\n *\n * @augments Texture\n */\nclass FramebufferTexture extends Texture {\n\n\t/**\n\t * Constructs a new framebuffer texture.\n\t *\n\t * @param {number} [width] - The width of the texture.\n\t * @param {number} [height] - The height of the texture.\n\t */\n\tconstructor( width, height ) {\n\n\t\tsuper( { width, height } );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isFramebufferTexture = true;\n\n\t\t/**\n\t\t * How the texture is sampled when a texel covers more than one pixel.\n\t\t *\n\t\t * Overwritten and set to `NearestFilter` by default to disable filtering.\n\t\t *\n\t\t * @type {(NearestFilter|NearestMipmapNearestFilter|NearestMipmapLinearFilter|LinearFilter|LinearMipmapNearestFilter|LinearMipmapLinearFilter)}\n\t\t * @default NearestFilter\n\t\t */\n\t\tthis.magFilter = NearestFilter;\n\n\t\t/**\n\t\t * How the texture is sampled when a texel covers less than one pixel.\n\t\t *\n\t\t * Overwritten and set to `NearestFilter` by default to disable filtering.\n\t\t *\n\t\t * @type {(NearestFilter|NearestMipmapNearestFilter|NearestMipmapLinearFilter|LinearFilter|LinearMipmapNearestFilter|LinearMipmapLinearFilter)}\n\t\t * @default NearestFilter\n\t\t */\n\t\tthis.minFilter = NearestFilter;\n\n\t\t/**\n\t\t * Whether to generate mipmaps (if possible) for a texture.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.generateMipmaps = false;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\n/**\n * Creates a texture based on data in compressed form.\n *\n * These texture are usually loaded with {@link CompressedTextureLoader}.\n *\n * @augments Texture\n */\nclass CompressedTexture extends Texture {\n\n\t/**\n\t * Constructs a new compressed texture.\n\t *\n\t * @param {Array} mipmaps - This array holds for all mipmaps (including the bases mip)\n\t * the data and dimensions.\n\t * @param {number} width - The width of the texture.\n\t * @param {number} height - The height of the texture.\n\t * @param {number} [format=RGBAFormat] - The texture format.\n\t * @param {number} [type=UnsignedByteType] - The texture type.\n\t * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping.\n\t * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.\n\t * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.\n\t * @param {number} [magFilter=LinearFilter] - The mag filter value.\n\t * @param {number} [minFilter=LinearMipmapLinearFilter] - The min filter value.\n\t * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.\n\t * @param {string} [colorSpace=NoColorSpace] - The color space.\n\t */\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, colorSpace ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCompressedTexture = true;\n\n\t\t/**\n\t\t * The image property of a compressed texture just defines its dimensions.\n\t\t *\n\t\t * @type {{width:number,height:number}}\n\t\t */\n\t\tthis.image = { width: width, height: height };\n\n\t\t/**\n\t\t * This array holds for all mipmaps (including the bases mip) the data and dimensions.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.mipmaps = mipmaps;\n\n\t\t/**\n\t\t * If set to `true`, the texture is flipped along the vertical axis when\n\t\t * uploaded to the GPU.\n\t\t *\n\t\t * Overwritten and set to `false` by default since it is not possible to\n\t\t * flip compressed textures.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t * @readonly\n\t\t */\n\t\tthis.flipY = false;\n\n\t\t/**\n\t\t * Whether to generate mipmaps (if possible) for a texture.\n\t\t *\n\t\t * Overwritten and set to `false` by default since it is not\n\t\t * possible to generate mipmaps for compressed data. Mipmaps\n\t\t * must be embedded in the compressed texture file.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t * @readonly\n\t\t */\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\n/**\n * Creates a texture 2D array based on data in compressed form.\n *\n * These texture are usually loaded with {@link CompressedTextureLoader}.\n *\n * @augments CompressedTexture\n */\nclass CompressedArrayTexture extends CompressedTexture {\n\n\t/**\n\t * Constructs a new compressed array texture.\n\t *\n\t * @param {Array} mipmaps - This array holds for all mipmaps (including the bases mip)\n\t * the data and dimensions.\n\t * @param {number} width - The width of the texture.\n\t * @param {number} height - The height of the texture.\n\t * @param {number} depth - The depth of the texture.\n\t * @param {number} [format=RGBAFormat] - The min filter value.\n\t * @param {number} [type=UnsignedByteType] - The min filter value.\n\t */\n\tconstructor( mipmaps, width, height, depth, format, type ) {\n\n\t\tsuper( mipmaps, width, height, format, type );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCompressedArrayTexture = true;\n\n\t\t/**\n\t\t * The image property of a compressed texture just defines its dimensions.\n\t\t *\n\t\t * @name CompressedArrayTexture#image\n\t\t * @type {{width:number,height:number,depth:number}}\n\t\t */\n\t\tthis.image.depth = depth;\n\n\t\t/**\n\t\t * This defines how the texture is wrapped in the depth and corresponds to\n\t\t * *W* in UVW mapping.\n\t\t *\n\t\t * @type {(RepeatWrapping|ClampToEdgeWrapping|MirroredRepeatWrapping)}\n\t\t * @default ClampToEdgeWrapping\n\t\t */\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\t/**\n\t\t * A set of all layers which need to be updated in the texture.\n\t\t *\n\t\t * @type {Set}\n\t\t */\n\t\tthis.layerUpdates = new Set();\n\n\t}\n\n\t/**\n\t * Describes that a specific layer of the texture needs to be updated.\n\t * Normally when {@link Texture#needsUpdate} is set to `true`, the\n\t * entire compressed texture array is sent to the GPU. Marking specific\n\t * layers will only transmit subsets of all mipmaps associated with a\n\t * specific depth in the array which is often much more performant.\n\t *\n\t * @param {number} layerIndex - The layer index that should be updated.\n\t */\n\taddLayerUpdate( layerIndex ) {\n\n\t\tthis.layerUpdates.add( layerIndex );\n\n\t}\n\n\t/**\n\t * Resets the layer updates registry.\n\t */\n\tclearLayerUpdates() {\n\n\t\tthis.layerUpdates.clear();\n\n\t}\n\n}\n\n/**\n * Creates a cube texture based on data in compressed form.\n *\n * These texture are usually loaded with {@link CompressedTextureLoader}.\n *\n * @augments CompressedTexture\n */\nclass CompressedCubeTexture extends CompressedTexture {\n\n\t/**\n\t * Constructs a new compressed texture.\n\t *\n\t * @param {Array} images - An array of compressed textures.\n\t * @param {number} [format=RGBAFormat] - The texture format.\n\t * @param {number} [type=UnsignedByteType] - The texture type.\n\t */\n\tconstructor( images, format, type ) {\n\n\t\tsuper( undefined, images[ 0 ].width, images[ 0 ].height, format, type, CubeReflectionMapping );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCompressedCubeTexture = true;\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCubeTexture = true;\n\n\t\tthis.image = images;\n\n\t}\n\n}\n\n/**\n * Creates a texture from a canvas element.\n *\n * This is almost the same as the base texture class, except that it sets {@link Texture#needsUpdate}\n * to `true` immediately since a canvas can directly be used for rendering.\n *\n * @augments Texture\n */\nclass CanvasTexture extends Texture {\n\n\t/**\n\t * Constructs a new texture.\n\t *\n\t * @param {HTMLCanvasElement} [canvas] - The HTML canvas element.\n\t * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping.\n\t * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.\n\t * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.\n\t * @param {number} [magFilter=LinearFilter] - The mag filter value.\n\t * @param {number} [minFilter=LinearMipmapLinearFilter] - The min filter value.\n\t * @param {number} [format=RGBAFormat] - The texture format.\n\t * @param {number} [type=UnsignedByteType] - The texture type.\n\t * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.\n\t */\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCanvasTexture = true;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\n/**\n * This class can be used to automatically save the depth information of a\n * rendering into a texture.\n *\n * @augments Texture\n */\nclass DepthTexture extends Texture {\n\n\t/**\n\t * Constructs a new depth texture.\n\t *\n\t * @param {number} width - The width of the texture.\n\t * @param {number} height - The height of the texture.\n\t * @param {number} [type=UnsignedIntType] - The texture type.\n\t * @param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping.\n\t * @param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.\n\t * @param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.\n\t * @param {number} [magFilter=LinearFilter] - The mag filter value.\n\t * @param {number} [minFilter=LinearFilter] - The min filter value.\n\t * @param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.\n\t * @param {number} [format=DepthFormat] - The texture format.\n\t * @param {number} [depth=1] - The depth of the texture.\n\t */\n\tconstructor( width, height, type = UnsignedIntType, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, format = DepthFormat, depth = 1 ) {\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tconst image = { width: width, height: height, depth: depth };\n\n\t\tsuper( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isDepthTexture = true;\n\n\t\t/**\n\t\t * If set to `true`, the texture is flipped along the vertical axis when\n\t\t * uploaded to the GPU.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flipY = false;\n\n\t\t/**\n\t\t * Whether to generate mipmaps (if possible) for a texture.\n\t\t *\n\t\t * Overwritten and set to `false` by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.generateMipmaps = false;\n\n\t\t/**\n\t\t * Code corresponding to the depth compare function.\n\t\t *\n\t\t * @type {?(NeverCompare|LessCompare|EqualCompare|LessEqualCompare|GreaterCompare|NotEqualCompare|GreaterEqualCompare|AlwaysCompare)}\n\t\t * @default null\n\t\t */\n\t\tthis.compareFunction = null;\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.source = new Source( Object.assign( {}, source.image ) ); // see #30540\n\t\tthis.compareFunction = source.compareFunction;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.compareFunction !== null ) data.compareFunction = this.compareFunction;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Represents a texture created externally with the same renderer context.\n *\n * This may be a texture from a protected media stream, device camera feed,\n * or other data feeds like a depth sensor.\n *\n * Note that this class is only supported in {@link WebGLRenderer}, and in\n * the {@link WebGPURenderer} WebGPU backend.\n *\n * @augments Texture\n */\nclass ExternalTexture extends Texture {\n\n\t/**\n\t * Creates a new raw texture.\n\t *\n\t * @param {?(WebGLTexture|GPUTexture)} [sourceTexture=null] - The external texture.\n\t */\n\tconstructor( sourceTexture = null ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * The external source texture.\n\t\t *\n\t\t * @type {?(WebGLTexture|GPUTexture)}\n\t\t * @default null\n\t\t */\n\t\tthis.sourceTexture = sourceTexture;\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isExternalTexture = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sourceTexture = source.sourceTexture;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A geometry class for representing a capsule.\n *\n * ```js\n * const geometry = new THREE.CapsuleGeometry( 1, 1, 4, 8, 1 );\n * const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );\n * const capsule = new THREE.Mesh( geometry, material );\n * scene.add( capsule );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#CapsuleGeometry\n */\nclass CapsuleGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new capsule geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the capsule.\n\t * @param {number} [height=1] - Height of the middle section.\n\t * @param {number} [capSegments=4] - Number of curve segments used to build each cap.\n\t * @param {number} [radialSegments=8] - Number of segmented faces around the circumference of the capsule. Must be an integer >= 3.\n\t * @param {number} [heightSegments=1] - Number of rows of faces along the height of the middle section. Must be an integer >= 1.\n\t */\n\tconstructor( radius = 1, height = 1, capSegments = 4, radialSegments = 8, heightSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CapsuleGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tcapSegments: capSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t};\n\n\t\theight = Math.max( 0, height );\n\t\tcapSegments = Math.max( 1, Math.floor( capSegments ) );\n\t\tradialSegments = Math.max( 3, Math.floor( radialSegments ) );\n\t\theightSegments = Math.max( 1, Math.floor( heightSegments ) );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst halfHeight = height / 2;\n\t\tconst capArcLength = ( Math.PI / 2 ) * radius;\n\t\tconst cylinderPartLength = height;\n\t\tconst totalArcLength = 2 * capArcLength + cylinderPartLength;\n\n\t\tconst numVerticalSegments = capSegments * 2 + heightSegments;\n\t\tconst verticesPerRow = radialSegments + 1;\n\n\t\tconst normal = new Vector3();\n\t\tconst vertex = new Vector3();\n\n\t\t// generate vertices, normals, and uvs\n\n\t\tfor ( let iy = 0; iy <= numVerticalSegments; iy ++ ) {\n\n\t\t\tlet currentArcLength = 0;\n\t\t\tlet profileY = 0;\n\t\t\tlet profileRadius = 0;\n\t\t\tlet normalYComponent = 0;\n\n\t\t\tif ( iy <= capSegments ) {\n\n\t\t\t\t// bottom cap\n\t\t\t\tconst segmentProgress = iy / capSegments;\n\t\t\t\tconst angle = ( segmentProgress * Math.PI ) / 2;\n\t\t\t\tprofileY = - halfHeight - radius * Math.cos( angle );\n\t\t\t\tprofileRadius = radius * Math.sin( angle );\n\t\t\t\tnormalYComponent = - radius * Math.cos( angle );\n\t\t\t\tcurrentArcLength = segmentProgress * capArcLength;\n\n\t\t\t} else if ( iy <= capSegments + heightSegments ) {\n\n\t\t\t\t// middle section\n\t\t\t\tconst segmentProgress = ( iy - capSegments ) / heightSegments;\n\t\t\t\tprofileY = - halfHeight + segmentProgress * height;\n\t\t\t\tprofileRadius = radius;\n\t\t\t\tnormalYComponent = 0;\n\t\t\t\tcurrentArcLength = capArcLength + segmentProgress * cylinderPartLength;\n\n\t\t\t} else {\n\n\t\t\t\t// top cap\n\t\t\t\tconst segmentProgress =\n\t\t\t\t\t( iy - capSegments - heightSegments ) / capSegments;\n\t\t\t\tconst angle = ( segmentProgress * Math.PI ) / 2;\n\t\t\t\tprofileY = halfHeight + radius * Math.sin( angle );\n\t\t\t\tprofileRadius = radius * Math.cos( angle );\n\t\t\t\tnormalYComponent = radius * Math.sin( angle );\n\t\t\t\tcurrentArcLength =\n\t\t\t\t\tcapArcLength + cylinderPartLength + segmentProgress * capArcLength;\n\n\t\t\t}\n\n\t\t\tconst v = Math.max( 0, Math.min( 1, currentArcLength / totalArcLength ) );\n\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy === 0 ) {\n\n\t\t\t\tuOffset = 0.5 / radialSegments;\n\n\t\t\t} else if ( iy === numVerticalSegments ) {\n\n\t\t\t\tuOffset = -0.5 / radialSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= radialSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / radialSegments;\n\t\t\t\tconst theta = u * Math.PI * 2;\n\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - profileRadius * cosTheta;\n\t\t\t\tvertex.y = profileY;\n\t\t\t\tvertex.z = profileRadius * sinTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.set(\n\t\t\t\t\t- profileRadius * cosTheta,\n\t\t\t\t\tnormalYComponent,\n\t\t\t\t\tprofileRadius * sinTheta\n\t\t\t\t);\n\t\t\t\tnormal.normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, v );\n\n\t\t\t}\n\n\t\t\tif ( iy > 0 ) {\n\n\t\t\t\tconst prevIndexRow = ( iy - 1 ) * verticesPerRow;\n\t\t\t\tfor ( let ix = 0; ix < radialSegments; ix ++ ) {\n\n\t\t\t\t\tconst i1 = prevIndexRow + ix;\n\t\t\t\t\tconst i2 = prevIndexRow + ix + 1;\n\t\t\t\t\tconst i3 = iy * verticesPerRow + ix;\n\t\t\t\t\tconst i4 = iy * verticesPerRow + ix + 1;\n\n\t\t\t\t\tindices.push( i1, i2, i3 );\n\t\t\t\t\tindices.push( i2, i4, i3 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {CapsuleGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new CapsuleGeometry( data.radius, data.height, data.capSegments, data.radialSegments, data.heightSegments );\n\n\t}\n\n}\n\n/**\n * A simple shape of Euclidean geometry. It is constructed from a\n * number of triangular segments that are oriented around a central point and\n * extend as far out as a given radius. It is built counter-clockwise from a\n * start angle and a given central angle. It can also be used to create\n * regular polygons, where the number of segments determines the number of\n * sides.\n *\n * ```js\n * const geometry = new THREE.CircleGeometry( 5, 32 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const circle = new THREE.Mesh( geometry, material );\n * scene.add( circle )\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#CircleGeometry\n */\nclass CircleGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new circle geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the circle.\n\t * @param {number} [segments=32] - Number of segments (triangles), minimum = `3`.\n\t * @param {number} [thetaStart=0] - Start angle for first segment in radians.\n\t * @param {number} [thetaLength=Math.PI*2] - The central angle, often called theta,\n\t * of the circular sector in radians. The default value results in a complete circle.\n\t */\n\tconstructor( radius = 1, segments = 32, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {CircleGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\n/**\n * A geometry class for representing a cylinder.\n *\n * ```js\n * const geometry = new THREE.CylinderGeometry( 5, 5, 20, 32 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const cylinder = new THREE.Mesh( geometry, material );\n * scene.add( cylinder );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#CylinderGeometry\n */\nclass CylinderGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new cylinder geometry.\n\t *\n\t * @param {number} [radiusTop=1] - Radius of the cylinder at the top.\n\t * @param {number} [radiusBottom=1] - Radius of the cylinder at the bottom.\n\t * @param {number} [height=1] - Height of the cylinder.\n\t * @param {number} [radialSegments=32] - Number of segmented faces around the circumference of the cylinder.\n\t * @param {number} [heightSegments=1] - Number of rows of faces along the height of the cylinder.\n\t * @param {boolean} [openEnded=false] - Whether the base of the cylinder is open or capped.\n\t * @param {number} [thetaStart=0] - Start angle for first segment, in radians.\n\t * @param {number} [thetaLength=Math.PI*2] - The central angle, often called theta, of the circular sector, in radians.\n\t * The default value results in a complete cylinder.\n\t */\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tif ( radiusTop > 0 || y !== 0 ) {\n\n\t\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\t\tgroupCount += 3;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( radiusBottom > 0 || y !== heightSegments - 1 ) {\n\n\t\t\t\t\t\tindices.push( b, c, d );\n\t\t\t\t\t\tgroupCount += 3;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : -1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {CylinderGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\n/**\n * A geometry class for representing a cone.\n *\n * ```js\n * const geometry = new THREE.ConeGeometry( 5, 20, 32 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const cone = new THREE.Mesh(geometry, material );\n * scene.add( cone );\n * ```\n *\n * @augments CylinderGeometry\n * @demo scenes/geometry-browser.html#ConeGeometry\n */\nclass ConeGeometry extends CylinderGeometry {\n\n\t/**\n\t * Constructs a new cone geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the cone base.\n\t * @param {number} [height=1] - Height of the cone.\n\t * @param {number} [radialSegments=32] - Number of segmented faces around the circumference of the cone.\n\t * @param {number} [heightSegments=1] - Number of rows of faces along the height of the cone.\n\t * @param {boolean} [openEnded=false] - Whether the base of the cone is open or capped.\n\t * @param {number} [thetaStart=0] - Start angle for first segment, in radians.\n\t * @param {number} [thetaLength=Math.PI*2] - The central angle, often called theta, of the circular sector, in radians.\n\t * The default value results in a complete cone.\n\t */\n\tconstructor( radius = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {ConeGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\n/**\n * A polyhedron is a solid in three dimensions with flat faces. This class\n * will take an array of vertices, project them onto a sphere, and then\n * divide them up to the desired level of detail.\n *\n * @augments BufferGeometry\n */\nclass PolyhedronGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new polyhedron geometry.\n\t *\n\t * @param {Array} [vertices] - A flat array of vertices describing the base shape.\n\t * @param {Array} [indices] - A flat array of indices describing the base shape.\n\t * @param {number} [radius=1] - The radius of the shape.\n\t * @param {number} [detail=0] - How many levels to subdivide the geometry. The more detail, the smoother the shape.\n\t */\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivision with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {PolyhedronGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\n/**\n * A geometry class for representing a dodecahedron.\n *\n * ```js\n * const geometry = new THREE.DodecahedronGeometry();\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const dodecahedron = new THREE.Mesh( geometry, material );\n * scene.add( dodecahedron );\n * ```\n *\n * @augments PolyhedronGeometry\n * @demo scenes/geometry-browser.html#DodecahedronGeometry\n */\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\t/**\n\t * Constructs a new dodecahedron geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the dodecahedron.\n\t * @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a dodecahedron.\n\t */\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (±1, ±1, ±1)\n\t\t\t-1, -1, -1,\t-1, -1, 1,\n\t\t\t-1, 1, -1, -1, 1, 1,\n\t\t\t1, -1, -1, 1, -1, 1,\n\t\t\t1, 1, -1, 1, 1, 1,\n\n\t\t\t// (0, ±1/φ, ±φ)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (±1/φ, ±φ, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (±φ, 0, ±1/φ)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {DodecahedronGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\nconst _v1$1 = /*@__PURE__*/ new Vector3();\nconst _normal = /*@__PURE__*/ new Vector3();\nconst _triangle = /*@__PURE__*/ new Triangle();\n\n/**\n * Can be used as a helper object to view the edges of a geometry.\n *\n * ```js\n * const geometry = new THREE.BoxGeometry();\n * const edges = new THREE.EdgesGeometry( geometry );\n * const line = new THREE.LineSegments( edges );\n * scene.add( line );\n * ```\n *\n * Note: It is not yet possible to serialize/deserialize instances of this class.\n *\n * @augments BufferGeometry\n */\nclass EdgesGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new edges geometry.\n\t *\n\t * @param {?BufferGeometry} [geometry=null] - The geometry.\n\t * @param {number} [thresholdAngle=1] - An edge is only rendered if the angle (in degrees)\n\t * between the face normals of the adjoining faces exceeds this value.\n\t */\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EdgesGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * An abstract base class for creating an analytic curve object that contains methods\n * for interpolation.\n *\n * @abstract\n */\nclass Curve {\n\n\t/**\n\t * Constructs a new curve.\n\t */\n\tconstructor() {\n\n\t\t/**\n\t\t * The type property is used for detecting the object type\n\t\t * in context of serialization/deserialization.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.type = 'Curve';\n\n\t\t/**\n\t\t * This value determines the amount of divisions when calculating the\n\t\t * cumulative segment lengths of a curve via {@link Curve#getLengths}. To ensure\n\t\t * precision when using methods like {@link Curve#getSpacedPoints}, it is\n\t\t * recommended to increase the value of this property if the curve is very large.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 200\n\t\t */\n\t\tthis.arcLengthDivisions = 200;\n\n\t\t/**\n\t\t * Must be set to `true` if the curve parameters have changed.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.needsUpdate = false;\n\n\t\t/**\n\t\t * An internal cache that holds precomputed curve length values.\n\t\t *\n\t\t * @private\n\t\t * @type {?Array}\n\t\t * @default null\n\t\t */\n\t\tthis.cacheArcLengths = null;\n\n\t}\n\n\t/**\n\t * This method returns a vector in 2D or 3D space (depending on the curve definition)\n\t * for the given interpolation factor.\n\t *\n\t * @abstract\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {(Vector2|Vector3)} The position on the curve. It can be a 2D or 3D vector depending on the curve definition.\n\t */\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\twarn( 'Curve: .getPoint() not implemented.' );\n\n\t}\n\n\t/**\n\t * This method returns a vector in 2D or 3D space (depending on the curve definition)\n\t * for the given interpolation factor. Unlike {@link Curve#getPoint}, this method honors the length\n\t * of the curve which equidistant samples.\n\t *\n\t * @param {number} u - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {(Vector2|Vector3)} The position on the curve. It can be a 2D or 3D vector depending on the curve definition.\n\t */\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t/**\n\t * This method samples the curve via {@link Curve#getPoint} and returns an array of points representing\n\t * the curve shape.\n\t *\n\t * @param {number} [divisions=5] - The number of divisions.\n\t * @return {Array<(Vector2|Vector3)>} An array holding the sampled curve values. The number of points is `divisions + 1`.\n\t */\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\t/**\n\t * This method samples the curve via {@link Curve#getPointAt} and returns an array of points representing\n\t * the curve shape. Unlike {@link Curve#getPoints}, this method returns equi-spaced points across the entire\n\t * curve.\n\t *\n\t * @param {number} [divisions=5] - The number of divisions.\n\t * @return {Array<(Vector2|Vector3)>} An array holding the sampled curve values. The number of points is `divisions + 1`.\n\t */\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t/**\n\t * Returns the total arc length of the curve.\n\t *\n\t * @return {number} The length of the curve.\n\t */\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t/**\n\t * Returns an array of cumulative segment lengths of the curve.\n\t *\n\t * @param {number} [divisions=this.arcLengthDivisions] - The number of divisions.\n\t * @return {Array} An array holding the cumulative segment lengths.\n\t */\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\t/**\n\t * Update the cumulative segment distance cache. The method must be called\n\t * every time curve parameters are changed. If an updated curve is part of a\n\t * composed curve like {@link CurvePath}, this method must be called on the\n\t * composed curve, too.\n\t */\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t/**\n\t * Given an interpolation factor in the range `[0,1]`, this method returns an updated\n\t * interpolation factor in the same range that can be ued to sample equidistant points\n\t * from a curve.\n\t *\n\t * @param {number} u - The interpolation factor.\n\t * @param {?number} distance - An optional distance on the curve.\n\t * @return {number} The updated interpolation factor.\n\t */\n\tgetUtoTmapping( u, distance = null ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t/**\n\t * Returns a unit vector tangent for the given interpolation factor.\n\t * If the derived curve does not implement its tangent derivation,\n\t * two points a small delta apart will be used to find its gradient\n\t * which seems to give a reasonable approximation.\n\t *\n\t * @param {number} t - The interpolation factor.\n\t * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {(Vector2|Vector3)} The tangent vector.\n\t */\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\t/**\n\t * Same as {@link Curve#getTangent} but with equidistant samples.\n\t *\n\t * @param {number} u - The interpolation factor.\n\t * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {(Vector2|Vector3)} The tangent vector.\n\t * @see {@link Curve#getPointAt}\n\t */\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\t/**\n\t * Generates the Frenet Frames. Requires a curve definition in 3D space. Used\n\t * in geometries like {@link TubeGeometry} or {@link ExtrudeGeometry}.\n\t *\n\t * @param {number} segments - The number of segments.\n\t * @param {boolean} [closed=false] - Whether the curve is closed or not.\n\t * @return {{tangents: Array, normals: Array, binormals: Array}} The Frenet Frames.\n\t */\n\tcomputeFrenetFrames( segments, closed = false ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), -1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), -1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\t/**\n\t * Returns a new curve with copied values from this instance.\n\t *\n\t * @return {Curve} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Copies the values of the given curve to this instance.\n\t *\n\t * @param {Curve} source - The curve to copy.\n\t * @return {Curve} A reference to this curve.\n\t */\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Serializes the curve into JSON.\n\t *\n\t * @return {Object} A JSON object representing the serialized curve.\n\t * @see {@link ObjectLoader#parse}\n\t */\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.7,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\t/**\n\t * Deserializes the curve from the given JSON.\n\t *\n\t * @param {Object} json - The JSON holding the serialized curve.\n\t * @return {Curve} A reference to this curve.\n\t */\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A curve representing an ellipse.\n *\n * ```js\n * const curve = new THREE.EllipseCurve(\n * \t0, 0,\n * \t10, 10,\n * \t0, 2 * Math.PI,\n * \tfalse,\n * \t0\n * );\n *\n * const points = curve.getPoints( 50 );\n * const geometry = new THREE.BufferGeometry().setFromPoints( points );\n *\n * const material = new THREE.LineBasicMaterial( { color: 0xff0000 } );\n *\n * // Create the final object to add to the scene\n * const ellipse = new THREE.Line( geometry, material );\n * ```\n *\n * @augments Curve\n */\nclass EllipseCurve extends Curve {\n\n\t/**\n\t * Constructs a new ellipse curve.\n\t *\n\t * @param {number} [aX=0] - The X center of the ellipse.\n\t * @param {number} [aY=0] - The Y center of the ellipse.\n\t * @param {number} [xRadius=1] - The radius of the ellipse in the x direction.\n\t * @param {number} [yRadius=1] - The radius of the ellipse in the y direction.\n\t * @param {number} [aStartAngle=0] - The start angle of the curve in radians starting from the positive X axis.\n\t * @param {number} [aEndAngle=Math.PI*2] - The end angle of the curve in radians starting from the positive X axis.\n\t * @param {boolean} [aClockwise=false] - Whether the ellipse is drawn clockwise or not.\n\t * @param {number} [aRotation=0] - The rotation angle of the ellipse in radians, counterclockwise from the positive X axis.\n\t */\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isEllipseCurve = true;\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\t/**\n\t\t * The X center of the ellipse.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.aX = aX;\n\n\t\t/**\n\t\t * The Y center of the ellipse.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.aY = aY;\n\n\t\t/**\n\t\t * The radius of the ellipse in the x direction.\n\t\t * Setting the this value equal to the {@link EllipseCurve#yRadius} will result in a circle.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.xRadius = xRadius;\n\n\t\t/**\n\t\t * The radius of the ellipse in the y direction.\n\t\t * Setting the this value equal to the {@link EllipseCurve#xRadius} will result in a circle.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.yRadius = yRadius;\n\n\t\t/**\n\t\t * The start angle of the curve in radians starting from the positive X axis.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.aStartAngle = aStartAngle;\n\n\t\t/**\n\t\t * The end angle of the curve in radians starting from the positive X axis.\n\t\t *\n\t\t * @type {number}\n\t\t * @default Math.PI*2\n\t\t */\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\t/**\n\t\t * Whether the ellipse is drawn clockwise or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.aClockwise = aClockwise;\n\n\t\t/**\n\t\t * The rotation angle of the ellipse in radians, counterclockwise from the positive X axis.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\t/**\n\t * Returns a point on the curve.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {Vector2} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector2} The position on the curve.\n\t */\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A curve representing an arc.\n *\n * @augments EllipseCurve\n */\nclass ArcCurve extends EllipseCurve {\n\n\t/**\n\t * Constructs a new arc curve.\n\t *\n\t * @param {number} [aX=0] - The X center of the ellipse.\n\t * @param {number} [aY=0] - The Y center of the ellipse.\n\t * @param {number} [aRadius=1] - The radius of the ellipse in the x direction.\n\t * @param {number} [aStartAngle=0] - The start angle of the curve in radians starting from the positive X axis.\n\t * @param {number} [aEndAngle=Math.PI*2] - The end angle of the curve in radians starting from the positive X axis.\n\t * @param {boolean} [aClockwise=false] - Whether the ellipse is drawn clockwise or not.\n\t */\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isArcCurve = true;\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\nfunction CubicPoly() {\n\n\t/**\n\t * Centripetal CatmullRom Curve - which is useful for avoiding\n\t* cusps and self-intersections in non-uniform catmull rom curves.\n\t* http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n\t*\n\t* curve.type accepts centripetal(default), chordal and catmullrom\n\t* curve.tension is used for catmullrom which defaults to 0.5\n\t*/\n\n\t/*\n\tBased on an optimized c++ solution in\n\t- http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n\t- http://ideone.com/NoEbVM\n\n\tThis CubicPoly class could be used for reusing some variables and calculations,\n\tbut for three.js curve use, it could be possible inlined and flatten into a single function call\n\twhich can be placed in CurveUtils.\n\t*/\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t * p(0) = x0, p(1) = x1\n\t * and\n\t * p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = -3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = /*@__PURE__*/ new Vector3();\nconst px = /*@__PURE__*/ new CubicPoly();\nconst py = /*@__PURE__*/ new CubicPoly();\nconst pz = /*@__PURE__*/ new CubicPoly();\n\n/**\n * A curve representing a Catmull-Rom spline.\n *\n * ```js\n * //Create a closed wavey loop\n * const curve = new THREE.CatmullRomCurve3( [\n * \tnew THREE.Vector3( -10, 0, 10 ),\n * \tnew THREE.Vector3( -5, 5, 5 ),\n * \tnew THREE.Vector3( 0, 0, 0 ),\n * \tnew THREE.Vector3( 5, -5, 5 ),\n * \tnew THREE.Vector3( 10, 0, 10 )\n * ] );\n *\n * const points = curve.getPoints( 50 );\n * const geometry = new THREE.BufferGeometry().setFromPoints( points );\n *\n * const material = new THREE.LineBasicMaterial( { color: 0xff0000 } );\n *\n * // Create the final object to add to the scene\n * const curveObject = new THREE.Line( geometry, material );\n * ```\n *\n * @augments Curve\n */\nclass CatmullRomCurve3 extends Curve {\n\n\t/**\n\t * Constructs a new Catmull-Rom curve.\n\t *\n\t * @param {Array} [points] - An array of 3D points defining the curve.\n\t * @param {boolean} [closed=false] - Whether the curve is closed or not.\n\t * @param {('centripetal'|'chordal'|'catmullrom')} [curveType='centripetal'] - The curve type.\n\t * @param {number} [tension=0.5] - Tension of the curve.\n\t */\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCatmullRomCurve3 = true;\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\t/**\n\t\t * An array of 3D points defining the curve.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.points = points;\n\n\t\t/**\n\t\t * Whether the curve is closed or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.closed = closed;\n\n\t\t/**\n\t\t * The curve type.\n\t\t *\n\t\t * @type {('centripetal'|'chordal'|'catmullrom')}\n\t\t * @default 'centripetal'\n\t\t */\n\t\tthis.curveType = curveType;\n\n\t\t/**\n\t\t * Tension of the curve.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.5\n\t\t */\n\t\tthis.tension = tension;\n\n\t}\n\n\t/**\n\t * Returns a point on the curve.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {Vector3} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector3} The position on the curve.\n\t */\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Interpolations contains spline and Bézier functions internally used by concrete curve classes.\n *\n * Bezier Curves formulas obtained from: https://en.wikipedia.org/wiki/B%C3%A9zier_curve\n *\n * @module Interpolations\n */\n\n/**\n * Computes a point on a Catmull-Rom spline.\n *\n * @param {number} t - The interpolation factor.\n * @param {number} p0 - The first control point.\n * @param {number} p1 - The second control point.\n * @param {number} p2 - The third control point.\n * @param {number} p3 - The fourth control point.\n * @return {number} The calculated point on a Catmull-Rom spline.\n */\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( -3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\n/**\n * Computes a point on a Quadratic Bezier curve.\n *\n * @param {number} t - The interpolation factor.\n * @param {number} p0 - The first control point.\n * @param {number} p1 - The second control point.\n * @param {number} p2 - The third control point.\n * @return {number} The calculated point on a Quadratic Bezier curve.\n */\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\n/**\n * Computes a point on a Cubic Bezier curve.\n *\n * @param {number} t - The interpolation factor.\n * @param {number} p0 - The first control point.\n * @param {number} p1 - The second control point.\n * @param {number} p2 - The third control point.\n * @param {number} p3 - The fourth control point.\n * @return {number} The calculated point on a Cubic Bezier curve.\n */\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\n/**\n * A curve representing a 2D Cubic Bezier curve.\n *\n * ```js\n * const curve = new THREE.CubicBezierCurve(\n * \tnew THREE.Vector2( - 0, 0 ),\n * \tnew THREE.Vector2( - 5, 15 ),\n * \tnew THREE.Vector2( 20, 15 ),\n * \tnew THREE.Vector2( 10, 0 )\n * );\n *\n * const points = curve.getPoints( 50 );\n * const geometry = new THREE.BufferGeometry().setFromPoints( points );\n *\n * const material = new THREE.LineBasicMaterial( { color: 0xff0000 } );\n *\n * // Create the final object to add to the scene\n * const curveObject = new THREE.Line( geometry, material );\n * ```\n *\n * @augments Curve\n */\nclass CubicBezierCurve extends Curve {\n\n\t/**\n\t * Constructs a new Cubic Bezier curve.\n\t *\n\t * @param {Vector2} [v0] - The start point.\n\t * @param {Vector2} [v1] - The first control point.\n\t * @param {Vector2} [v2] - The second control point.\n\t * @param {Vector2} [v3] - The end point.\n\t */\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCubicBezierCurve = true;\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\t/**\n\t\t * The start point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v0 = v0;\n\n\t\t/**\n\t\t * The first control point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v1 = v1;\n\n\t\t/**\n\t\t * The second control point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v2 = v2;\n\n\t\t/**\n\t\t * The end point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v3 = v3;\n\n\t}\n\n\t/**\n\t * Returns a point on the curve.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {Vector2} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector2} The position on the curve.\n\t */\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A curve representing a 3D Cubic Bezier curve.\n *\n * @augments Curve\n */\nclass CubicBezierCurve3 extends Curve {\n\n\t/**\n\t * Constructs a new Cubic Bezier curve.\n\t *\n\t * @param {Vector3} [v0] - The start point.\n\t * @param {Vector3} [v1] - The first control point.\n\t * @param {Vector3} [v2] - The second control point.\n\t * @param {Vector3} [v3] - The end point.\n\t */\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isCubicBezierCurve3 = true;\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\t/**\n\t\t * The start point.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.v0 = v0;\n\n\t\t/**\n\t\t * The first control point.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.v1 = v1;\n\n\t\t/**\n\t\t * The second control point.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.v2 = v2;\n\n\t\t/**\n\t\t * The end point.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.v3 = v3;\n\n\t}\n\n\t/**\n\t * Returns a point on the curve.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {Vector3} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector3} The position on the curve.\n\t */\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A curve representing a 2D line segment.\n *\n * @augments Curve\n */\nclass LineCurve extends Curve {\n\n\t/**\n\t * Constructs a new line curve.\n\t *\n\t * @param {Vector2} [v1] - The start point.\n\t * @param {Vector2} [v2] - The end point.\n\t */\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLineCurve = true;\n\n\t\tthis.type = 'LineCurve';\n\n\t\t/**\n\t\t * The start point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v1 = v1;\n\n\t\t/**\n\t\t * The end point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v2 = v2;\n\n\t}\n\n\t/**\n\t * Returns a point on the line.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the line. Must be in the range `[0,1]`.\n\t * @param {Vector2} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector2} The position on the line.\n\t */\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector2() ) {\n\n\t\treturn optionalTarget.subVectors( this.v2, this.v1 ).normalize();\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\treturn this.getTangent( u, optionalTarget );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A curve representing a 3D line segment.\n *\n * @augments Curve\n */\nclass LineCurve3 extends Curve {\n\n\t/**\n\t * Constructs a new line curve.\n\t *\n\t * @param {Vector3} [v1] - The start point.\n\t * @param {Vector3} [v2] - The end point.\n\t */\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.type = 'LineCurve3';\n\n\t\t/**\n\t\t * The start point.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.v1 = v1;\n\n\t\t/**\n\t\t * The end point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v2 = v2;\n\n\t}\n\n\t/**\n\t * Returns a point on the line.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the line. Must be in the range `[0,1]`.\n\t * @param {Vector3} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector3} The position on the line.\n\t */\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector3() ) {\n\n\t\treturn optionalTarget.subVectors( this.v2, this.v1 ).normalize();\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\treturn this.getTangent( u, optionalTarget );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A curve representing a 2D Quadratic Bezier curve.\n *\n * ```js\n * const curve = new THREE.QuadraticBezierCurve(\n * \tnew THREE.Vector2( - 10, 0 ),\n * \tnew THREE.Vector2( 20, 15 ),\n * \tnew THREE.Vector2( 10, 0 )\n * )\n *\n * const points = curve.getPoints( 50 );\n * const geometry = new THREE.BufferGeometry().setFromPoints( points );\n *\n * const material = new THREE.LineBasicMaterial( { color: 0xff0000 } );\n *\n * // Create the final object to add to the scene\n * const curveObject = new THREE.Line( geometry, material );\n * ```\n *\n * @augments Curve\n */\nclass QuadraticBezierCurve extends Curve {\n\n\t/**\n\t * Constructs a new Quadratic Bezier curve.\n\t *\n\t * @param {Vector2} [v0] - The start point.\n\t * @param {Vector2} [v1] - The control point.\n\t * @param {Vector2} [v2] - The end point.\n\t */\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isQuadraticBezierCurve = true;\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\t/**\n\t\t * The start point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v0 = v0;\n\n\t\t/**\n\t\t * The control point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v1 = v1;\n\n\t\t/**\n\t\t * The end point.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.v2 = v2;\n\n\t}\n\n\t/**\n\t * Returns a point on the curve.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {Vector2} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector2} The position on the curve.\n\t */\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A curve representing a 3D Quadratic Bezier curve.\n *\n * @augments Curve\n */\nclass QuadraticBezierCurve3 extends Curve {\n\n\t/**\n\t * Constructs a new Quadratic Bezier curve.\n\t *\n\t * @param {Vector3} [v0] - The start point.\n\t * @param {Vector3} [v1] - The control point.\n\t * @param {Vector3} [v2] - The end point.\n\t */\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isQuadraticBezierCurve3 = true;\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\t/**\n\t\t * The start point.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.v0 = v0;\n\n\t\t/**\n\t\t * The control point.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.v1 = v1;\n\n\t\t/**\n\t\t * The end point.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.v2 = v2;\n\n\t}\n\n\t/**\n\t * Returns a point on the curve.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {Vector3} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector3} The position on the curve.\n\t */\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A curve representing a 2D spline curve.\n *\n * ```js\n * // Create a sine-like wave\n * const curve = new THREE.SplineCurve( [\n * \tnew THREE.Vector2( -10, 0 ),\n * \tnew THREE.Vector2( -5, 5 ),\n * \tnew THREE.Vector2( 0, 0 ),\n * \tnew THREE.Vector2( 5, -5 ),\n * \tnew THREE.Vector2( 10, 0 )\n * ] );\n *\n * const points = curve.getPoints( 50 );\n * const geometry = new THREE.BufferGeometry().setFromPoints( points );\n *\n * const material = new THREE.LineBasicMaterial( { color: 0xff0000 } );\n *\n * // Create the final object to add to the scene\n * const splineObject = new THREE.Line( geometry, material );\n * ```\n *\n * @augments Curve\n */\nclass SplineCurve extends Curve {\n\n\t/**\n\t * Constructs a new 2D spline curve.\n\t *\n\t * @param {Array} [points] - An array of 2D points defining the curve.\n\t */\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSplineCurve = true;\n\n\t\tthis.type = 'SplineCurve';\n\n\t\t/**\n\t\t * An array of 2D points defining the curve.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.points = points;\n\n\t}\n\n\t/**\n\t * Returns a point on the curve.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {Vector2} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {Vector2} The position on the curve.\n\t */\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**\n * A base class extending {@link Curve}. `CurvePath` is simply an\n * array of connected curves, but retains the API of a curve.\n *\n * @augments Curve\n */\nclass CurvePath extends Curve {\n\n\t/**\n\t * Constructs a new curve path.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\t/**\n\t\t * An array of curves defining the\n\t\t * path.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.curves = [];\n\n\t\t/**\n\t\t * Whether the path should automatically be closed\n\t\t * by a line curve.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.autoClose = false;\n\n\t}\n\n\t/**\n\t * Adds a curve to this curve path.\n\t *\n\t * @param {Curve} curve - The curve to add.\n\t */\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\t/**\n\t * Adds a line curve to close the path.\n\t *\n\t * @return {CurvePath} A reference to this curve path.\n\t */\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tconst lineType = ( startPoint.isVector2 === true ) ? 'LineCurve' : 'LineCurve3';\n\t\t\tthis.curves.push( new Curves[ lineType ]( endPoint, startPoint ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * This method returns a vector in 2D or 3D space (depending on the curve definitions)\n\t * for the given interpolation factor.\n\t *\n\t * @param {number} t - A interpolation factor representing a position on the curve. Must be in the range `[0,1]`.\n\t * @param {(Vector2|Vector3)} [optionalTarget] - The optional target vector the result is written to.\n\t * @return {?(Vector2|Vector3)} The position on the curve. It can be a 2D or 3D vector depending on the curve definition.\n\t */\n\tgetPoint( t, optionalTarget ) {\n\n\t\t// To get accurate point with reference to\n\t\t// entire path distance at time t,\n\t\t// following has to be done:\n\n\t\t// 1. Length of each sub path have to be known\n\t\t// 2. Locate and identify type of curve\n\t\t// 3. Get t for the curve\n\t\t// 4. Return curve.getPointAt(t')\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 } The curve lengths.\n\t */\n\tgetCurveLengths() {\n\n\t\t// Compute lengths and cache them\n\t\t// We cannot overwrite getLengths() because UtoT mapping uses it.\n\t\t// We use cache values if curves and cache array are same length\n\n\t\tif ( this.cacheLengths && this.cacheLengths.length === this.curves.length ) {\n\n\t\t\treturn this.cacheLengths;\n\n\t\t}\n\n\t\t// Get length of sub-curve\n\t\t// Push sums into cached array\n\n\t\tconst lengths = [];\n\t\tlet sums = 0;\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tsums += this.curves[ i ].getLength();\n\t\t\tlengths.push( sums );\n\n\t\t}\n\n\t\tthis.cacheLengths = lengths;\n\n\t\treturn lengths;\n\n\t}\n\n\tgetSpacedPoints( divisions = 40 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let i = 0; i <= divisions; i ++ ) {\n\n\t\t\tpoints.push( this.getPoint( i / divisions ) );\n\n\t\t}\n\n\t\tif ( this.autoClose ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tgetPoints( divisions = 12 ) {\n\n\t\tconst points = [];\n\t\tlet last;\n\n\t\tfor ( let i = 0, curves = this.curves; i < curves.length; i ++ ) {\n\n\t\t\tconst curve = curves[ i ];\n\t\t\tconst resolution = curve.isEllipseCurve ? divisions * 2\n\t\t\t\t: ( curve.isLineCurve || curve.isLineCurve3 ) ? 1\n\t\t\t\t\t: curve.isSplineCurve ? divisions * curve.points.length\n\t\t\t\t\t\t: divisions;\n\n\t\t\tconst pts = curve.getPoints( resolution );\n\n\t\t\tfor ( let j = 0; j < pts.length; j ++ ) {\n\n\t\t\t\tconst point = pts[ j ];\n\n\t\t\t\tif ( last && last.equals( point ) ) continue; // ensures no consecutive points are duplicates\n\n\t\t\t\tpoints.push( point );\n\t\t\t\tlast = point;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.autoClose && points.length > 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A 2D path representation. The class provides methods for creating paths\n * and contours of 2D shapes similar to the 2D Canvas API.\n *\n * ```js\n * const path = new THREE.Path();\n *\n * path.lineTo( 0, 0.8 );\n * path.quadraticCurveTo( 0, 1, 0.2, 1 );\n * path.lineTo( 1, 1 );\n *\n * const points = path.getPoints();\n *\n * const geometry = new THREE.BufferGeometry().setFromPoints( points );\n * const material = new THREE.LineBasicMaterial( { color: 0xffffff } );\n *\n * const line = new THREE.Line( geometry, material );\n * scene.add( line );\n * ```\n *\n * @augments CurvePath\n */\nclass Path extends CurvePath {\n\n\t/**\n\t * Constructs a new path.\n\t *\n\t * @param {Array} [points] - An array of 2D points defining the path.\n\t */\n\tconstructor( points ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Path';\n\n\t\t/**\n\t\t * The current offset of the path. Any new curve added will start here.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Creates a path from the given list of points. The points are added\n\t * to the path as instances of {@link LineCurve}.\n\t *\n\t * @param {Array} points - An array of 2D points.\n\t * @return {Path} A reference to this path.\n\t */\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Moves {@link Path#currentPoint} to the given point.\n\t *\n\t * @param {number} x - The x coordinate.\n\t * @param {number} y - The y coordinate.\n\t * @return {Path} A reference to this path.\n\t */\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an instance of {@link LineCurve} to the path by connecting\n\t * the current point with the given one.\n\t *\n\t * @param {number} x - The x coordinate of the end point.\n\t * @param {number} y - The y coordinate of the end point.\n\t * @return {Path} A reference to this path.\n\t */\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an instance of {@link QuadraticBezierCurve} to the path by connecting\n\t * the current point with the given one.\n\t *\n\t * @param {number} aCPx - The x coordinate of the control point.\n\t * @param {number} aCPy - The y coordinate of the control point.\n\t * @param {number} aX - The x coordinate of the end point.\n\t * @param {number} aY - The y coordinate of the end point.\n\t * @return {Path} A reference to this path.\n\t */\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an instance of {@link CubicBezierCurve} to the path by connecting\n\t * the current point with the given one.\n\t *\n\t * @param {number} aCP1x - The x coordinate of the first control point.\n\t * @param {number} aCP1y - The y coordinate of the first control point.\n\t * @param {number} aCP2x - The x coordinate of the second control point.\n\t * @param {number} aCP2y - The y coordinate of the second control point.\n\t * @param {number} aX - The x coordinate of the end point.\n\t * @param {number} aY - The y coordinate of the end point.\n\t * @return {Path} A reference to this path.\n\t */\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an instance of {@link SplineCurve} to the path by connecting\n\t * the current point with the given list of points.\n\t *\n\t * @param {Array} pts - An array of points in 2D space.\n\t * @return {Path} A reference to this path.\n\t */\n\tsplineThru( pts ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an arc as an instance of {@link EllipseCurve} to the path, positioned relative\n\t * to the current point.\n\t *\n\t * @param {number} [aX=0] - The x coordinate of the center of the arc offsetted from the previous curve.\n\t * @param {number} [aY=0] - The y coordinate of the center of the arc offsetted from the previous curve.\n\t * @param {number} [aRadius=1] - The radius of the arc.\n\t * @param {number} [aStartAngle=0] - The start angle in radians.\n\t * @param {number} [aEndAngle=Math.PI*2] - The end angle in radians.\n\t * @param {boolean} [aClockwise=false] - Whether to sweep the arc clockwise or not.\n\t * @return {Path} A reference to this path.\n\t */\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an absolutely positioned arc as an instance of {@link EllipseCurve} to the path.\n\t *\n\t * @param {number} [aX=0] - The x coordinate of the center of the arc.\n\t * @param {number} [aY=0] - The y coordinate of the center of the arc.\n\t * @param {number} [aRadius=1] - The radius of the arc.\n\t * @param {number} [aStartAngle=0] - The start angle in radians.\n\t * @param {number} [aEndAngle=Math.PI*2] - The end angle in radians.\n\t * @param {boolean} [aClockwise=false] - Whether to sweep the arc clockwise or not.\n\t * @return {Path} A reference to this path.\n\t */\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an ellipse as an instance of {@link EllipseCurve} to the path, positioned relative\n\t * to the current point\n\t *\n\t * @param {number} [aX=0] - The x coordinate of the center of the ellipse offsetted from the previous curve.\n\t * @param {number} [aY=0] - The y coordinate of the center of the ellipse offsetted from the previous curve.\n\t * @param {number} [xRadius=1] - The radius of the ellipse in the x axis.\n\t * @param {number} [yRadius=1] - The radius of the ellipse in the y axis.\n\t * @param {number} [aStartAngle=0] - The start angle in radians.\n\t * @param {number} [aEndAngle=Math.PI*2] - The end angle in radians.\n\t * @param {boolean} [aClockwise=false] - Whether to sweep the ellipse clockwise or not.\n\t * @param {number} [aRotation=0] - The rotation angle of the ellipse in radians, counterclockwise from the positive X axis.\n\t * @return {Path} A reference to this path.\n\t */\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an absolutely positioned ellipse as an instance of {@link EllipseCurve} to the path.\n\t *\n\t * @param {number} [aX=0] - The x coordinate of the absolute center of the ellipse.\n\t * @param {number} [aY=0] - The y coordinate of the absolute center of the ellipse.\n\t * @param {number} [xRadius=1] - The radius of the ellipse in the x axis.\n\t * @param {number} [yRadius=1] - The radius of the ellipse in the y axis.\n\t * @param {number} [aStartAngle=0] - The start angle in radians.\n\t * @param {number} [aEndAngle=Math.PI*2] - The end angle in radians.\n\t * @param {boolean} [aClockwise=false] - Whether to sweep the ellipse clockwise or not.\n\t * @param {number} [aRotation=0] - The rotation angle of the ellipse in radians, counterclockwise from the positive X axis.\n\t * @return {Path} A reference to this path.\n\t */\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Defines an arbitrary 2d shape plane using paths with optional holes. It\n * can be used with {@link ExtrudeGeometry}, {@link ShapeGeometry}, to get\n * points, or to get triangulated faces.\n *\n * ```js\n * const heartShape = new THREE.Shape();\n *\n * heartShape.moveTo( 25, 25 );\n * heartShape.bezierCurveTo( 25, 25, 20, 0, 0, 0 );\n * heartShape.bezierCurveTo( - 30, 0, - 30, 35, - 30, 35 );\n * heartShape.bezierCurveTo( - 30, 55, - 10, 77, 25, 95 );\n * heartShape.bezierCurveTo( 60, 77, 80, 55, 80, 35 );\n * heartShape.bezierCurveTo( 80, 35, 80, 0, 50, 0 );\n * heartShape.bezierCurveTo( 35, 0, 25, 25, 25, 25 );\n *\n * const extrudeSettings = {\n * \tdepth: 8,\n * \tbevelEnabled: true,\n * \tbevelSegments: 2,\n * \tsteps: 2,\n * \tbevelSize: 1,\n * \tbevelThickness: 1\n * };\n *\n * const geometry = new THREE.ExtrudeGeometry( heartShape, extrudeSettings );\n * const mesh = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial() );\n * ```\n *\n * @augments Path\n */\nclass Shape extends Path {\n\n\t/**\n\t * Constructs a new shape.\n\t *\n\t * @param {Array} [points] - An array of 2D points defining the shape.\n\t */\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\t/**\n\t\t * The UUID of the shape.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\t/**\n\t\t * Defines the holes in the shape. Hole definitions must use the\n\t\t * opposite winding order (CW/CCW) than the outer shape.\n\t\t *\n\t\t * @type {Array}\n\t\t * @readonly\n\t\t */\n\t\tthis.holes = [];\n\n\t}\n\n\t/**\n\t * Returns an array representing each contour of the holes\n\t * as a list of 2D points.\n\t *\n\t * @param {number} divisions - The fineness of the result.\n\t * @return {Array>} The holes as a series of 2D points.\n\t */\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\t/**\n\t * Returns an object that holds contour data for the shape and its holes as\n\t * arrays of 2D points.\n\t *\n\t * @param {number} divisions - The fineness of the result.\n\t * @return {{shape:Array,holes:Array>}} An object with contour data.\n\t */\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/* eslint-disable */\n// copy of mapbox/earcut version 3.0.2\n// https://github.com/mapbox/earcut/tree/v3.0.2\n\nfunction earcut(data, holeIndices, dim = 2) {\n\n const hasHoles = holeIndices && holeIndices.length;\n const outerLen = hasHoles ? holeIndices[0] * dim : data.length;\n let outerNode = linkedList(data, 0, outerLen, dim, true);\n const triangles = [];\n\n if (!outerNode || outerNode.next === outerNode.prev) return triangles;\n\n let minX, minY, invSize;\n\n if (hasHoles) outerNode = eliminateHoles(data, holeIndices, outerNode, dim);\n\n // if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n if (data.length > 80 * dim) {\n minX = data[0];\n minY = data[1];\n let maxX = minX;\n let maxY = minY;\n\n for (let i = dim; i < outerLen; i += dim) {\n const x = data[i];\n const y = data[i + 1];\n if (x < minX) minX = x;\n if (y < minY) minY = y;\n if (x > maxX) maxX = x;\n if (y > maxY) maxY = y;\n }\n\n // minX, minY and invSize are later used to transform coords into integers for z-order calculation\n invSize = Math.max(maxX - minX, maxY - minY);\n invSize = invSize !== 0 ? 32767 / invSize : 0;\n }\n\n earcutLinked(outerNode, triangles, dim, minX, minY, invSize, 0);\n\n return triangles;\n}\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList(data, start, end, dim, clockwise) {\n let last;\n\n if (clockwise === (signedArea(data, start, end, dim) > 0)) {\n for (let i = start; i < end; i += dim) last = insertNode(i / dim | 0, data[i], data[i + 1], last);\n } else {\n for (let i = end - dim; i >= start; i -= dim) last = insertNode(i / dim | 0, data[i], data[i + 1], last);\n }\n\n if (last && equals(last, last.next)) {\n removeNode(last);\n last = last.next;\n }\n\n return last;\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints(start, end) {\n if (!start) return start;\n if (!end) end = start;\n\n let p = start,\n again;\n do {\n again = false;\n\n if (!p.steiner && (equals(p, p.next) || area(p.prev, p, p.next) === 0)) {\n removeNode(p);\n p = end = p.prev;\n if (p === p.next) break;\n again = true;\n\n } else {\n p = p.next;\n }\n } while (again || p !== end);\n\n return end;\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked(ear, triangles, dim, minX, minY, invSize, pass) {\n if (!ear) return;\n\n // interlink polygon nodes in z-order\n if (!pass && invSize) indexCurve(ear, minX, minY, invSize);\n\n let stop = ear;\n\n // iterate through ears, slicing them one by one\n while (ear.prev !== ear.next) {\n const prev = ear.prev;\n const next = ear.next;\n\n if (invSize ? isEarHashed(ear, minX, minY, invSize) : isEar(ear)) {\n triangles.push(prev.i, ear.i, next.i); // cut off the triangle\n\n removeNode(ear);\n\n // skipping the next vertex leads to less sliver triangles\n ear = next.next;\n stop = next.next;\n\n continue;\n }\n\n ear = next;\n\n // if we looped through the whole remaining polygon and can't find any more ears\n if (ear === stop) {\n // try filtering points and slicing again\n if (!pass) {\n earcutLinked(filterPoints(ear), triangles, dim, minX, minY, invSize, 1);\n\n // if this didn't work, try curing all small self-intersections locally\n } else if (pass === 1) {\n ear = cureLocalIntersections(filterPoints(ear), triangles);\n earcutLinked(ear, triangles, dim, minX, minY, invSize, 2);\n\n // as a last resort, try splitting the remaining polygon into two\n } else if (pass === 2) {\n splitEarcut(ear, triangles, dim, minX, minY, invSize);\n }\n\n break;\n }\n }\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar(ear) {\n const a = ear.prev,\n b = ear,\n c = ear.next;\n\n if (area(a, b, c) >= 0) return false; // reflex, can't be an ear\n\n // now make sure we don't have other points inside the potential ear\n const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n // triangle bbox\n const x0 = Math.min(ax, bx, cx),\n y0 = Math.min(ay, by, cy),\n x1 = Math.max(ax, bx, cx),\n y1 = Math.max(ay, by, cy);\n\n let p = c.next;\n while (p !== a) {\n if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 &&\n pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) &&\n area(p.prev, p, p.next) >= 0) return false;\n p = p.next;\n }\n\n return true;\n}\n\nfunction isEarHashed(ear, minX, minY, invSize) {\n const a = ear.prev,\n b = ear,\n c = ear.next;\n\n if (area(a, b, c) >= 0) return false; // reflex, can't be an ear\n\n const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n // triangle bbox\n const x0 = Math.min(ax, bx, cx),\n y0 = Math.min(ay, by, cy),\n x1 = Math.max(ax, bx, cx),\n y1 = Math.max(ay, by, cy);\n\n // z-order range for the current triangle bbox;\n const minZ = zOrder(x0, y0, minX, minY, invSize),\n maxZ = zOrder(x1, y1, minX, minY, invSize);\n\n let p = ear.prevZ,\n n = ear.nextZ;\n\n // look for points inside the triangle in both directions\n while (p && p.z >= minZ && n && n.z <= maxZ) {\n if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;\n p = p.prevZ;\n\n if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) return false;\n n = n.nextZ;\n }\n\n // look for remaining points in decreasing z-order\n while (p && p.z >= minZ) {\n if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;\n p = p.prevZ;\n }\n\n // look for remaining points in increasing z-order\n while (n && n.z <= maxZ) {\n if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) return false;\n n = n.nextZ;\n }\n\n return true;\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections(start, triangles) {\n let p = start;\n do {\n const a = p.prev,\n b = p.next.next;\n\n if (!equals(a, b) && intersects(a, p, p.next, b) && locallyInside(a, b) && locallyInside(b, a)) {\n\n triangles.push(a.i, p.i, b.i);\n\n // remove two nodes involved\n removeNode(p);\n removeNode(p.next);\n\n p = start = b;\n }\n p = p.next;\n } while (p !== start);\n\n return filterPoints(p);\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut(start, triangles, dim, minX, minY, invSize) {\n // look for a valid diagonal that divides the polygon into two\n let a = start;\n do {\n let b = a.next.next;\n while (b !== a.prev) {\n if (a.i !== b.i && isValidDiagonal(a, b)) {\n // split the polygon in two by the diagonal\n let c = splitPolygon(a, b);\n\n // filter colinear points around the cuts\n a = filterPoints(a, a.next);\n c = filterPoints(c, c.next);\n\n // run earcut on each half\n earcutLinked(a, triangles, dim, minX, minY, invSize, 0);\n earcutLinked(c, triangles, dim, minX, minY, invSize, 0);\n return;\n }\n b = b.next;\n }\n a = a.next;\n } while (a !== start);\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles(data, holeIndices, outerNode, dim) {\n const queue = [];\n\n for (let i = 0, len = holeIndices.length; i < len; i++) {\n const start = holeIndices[i] * dim;\n const end = i < len - 1 ? holeIndices[i + 1] * dim : data.length;\n const list = linkedList(data, start, end, dim, false);\n if (list === list.next) list.steiner = true;\n queue.push(getLeftmost(list));\n }\n\n queue.sort(compareXYSlope);\n\n // process holes from left to right\n for (let i = 0; i < queue.length; i++) {\n outerNode = eliminateHole(queue[i], outerNode);\n }\n\n return outerNode;\n}\n\nfunction compareXYSlope(a, b) {\n let result = a.x - b.x;\n // when the left-most point of 2 holes meet at a vertex, sort the holes counterclockwise so that when we find\n // the bridge to the outer shell is always the point that they meet at.\n if (result === 0) {\n result = a.y - b.y;\n if (result === 0) {\n const aSlope = (a.next.y - a.y) / (a.next.x - a.x);\n const bSlope = (b.next.y - b.y) / (b.next.x - b.x);\n result = aSlope - bSlope;\n }\n }\n return result;\n}\n\n// find a bridge between vertices that connects hole with an outer ring and link it\nfunction eliminateHole(hole, outerNode) {\n const bridge = findHoleBridge(hole, outerNode);\n if (!bridge) {\n return outerNode;\n }\n\n const bridgeReverse = splitPolygon(bridge, hole);\n\n // filter collinear points around the cuts\n filterPoints(bridgeReverse, bridgeReverse.next);\n return filterPoints(bridge, bridge.next);\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge(hole, outerNode) {\n let p = outerNode;\n const hx = hole.x;\n const hy = hole.y;\n let qx = -Infinity;\n let m;\n\n // find a segment intersected by a ray from the hole's leftmost point to the left;\n // segment's endpoint with lesser x will be potential connection point\n // unless they intersect at a vertex, then choose the vertex\n if (equals(hole, p)) return p;\n do {\n if (equals(hole, p.next)) return p.next;\n else if (hy <= p.y && hy >= p.next.y && p.next.y !== p.y) {\n const x = p.x + (hy - p.y) * (p.next.x - p.x) / (p.next.y - p.y);\n if (x <= hx && x > qx) {\n qx = x;\n m = p.x < p.next.x ? p : p.next;\n if (x === hx) return m; // hole touches outer segment; pick leftmost endpoint\n }\n }\n p = p.next;\n } while (p !== outerNode);\n\n if (!m) return null;\n\n // look for points inside the triangle of hole point, segment intersection and endpoint;\n // if there are no points found, we have a valid connection;\n // otherwise choose the point of the minimum angle with the ray as connection point\n\n const stop = m;\n const mx = m.x;\n const my = m.y;\n let tanMin = Infinity;\n\n p = m;\n\n do {\n if (hx >= p.x && p.x >= mx && hx !== p.x &&\n pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y)) {\n\n const tan = Math.abs(hy - p.y) / (hx - p.x); // tangential\n\n if (locallyInside(p, hole) &&\n (tan < tanMin || (tan === tanMin && (p.x > m.x || (p.x === m.x && sectorContainsSector(m, p)))))) {\n m = p;\n tanMin = tan;\n }\n }\n\n p = p.next;\n } while (p !== stop);\n\n return m;\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector(m, p) {\n return area(m.prev, m, p.prev) < 0 && area(p.next, m, m.next) < 0;\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve(start, minX, minY, invSize) {\n let p = start;\n do {\n if (p.z === 0) p.z = zOrder(p.x, p.y, minX, minY, invSize);\n p.prevZ = p.prev;\n p.nextZ = p.next;\n p = p.next;\n } while (p !== start);\n\n p.prevZ.nextZ = null;\n p.prevZ = null;\n\n sortLinked(p);\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked(list) {\n let numMerges;\n let inSize = 1;\n\n do {\n let p = list;\n let e;\n list = null;\n let tail = null;\n numMerges = 0;\n\n while (p) {\n numMerges++;\n let q = p;\n let pSize = 0;\n for (let i = 0; i < inSize; i++) {\n pSize++;\n q = q.nextZ;\n if (!q) break;\n }\n let qSize = inSize;\n\n while (pSize > 0 || (qSize > 0 && q)) {\n\n if (pSize !== 0 && (qSize === 0 || !q || p.z <= q.z)) {\n e = p;\n p = p.nextZ;\n pSize--;\n } else {\n e = q;\n q = q.nextZ;\n qSize--;\n }\n\n if (tail) tail.nextZ = e;\n else list = e;\n\n e.prevZ = tail;\n tail = e;\n }\n\n p = q;\n }\n\n tail.nextZ = null;\n inSize *= 2;\n\n } while (numMerges > 1);\n\n return list;\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder(x, y, minX, minY, invSize) {\n // coords are transformed into non-negative 15-bit integer range\n x = (x - minX) * invSize | 0;\n y = (y - minY) * invSize | 0;\n\n x = (x | (x << 8)) & 0x00FF00FF;\n x = (x | (x << 4)) & 0x0F0F0F0F;\n x = (x | (x << 2)) & 0x33333333;\n x = (x | (x << 1)) & 0x55555555;\n\n y = (y | (y << 8)) & 0x00FF00FF;\n y = (y | (y << 4)) & 0x0F0F0F0F;\n y = (y | (y << 2)) & 0x33333333;\n y = (y | (y << 1)) & 0x55555555;\n\n return x | (y << 1);\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost(start) {\n let p = start,\n leftmost = start;\n do {\n if (p.x < leftmost.x || (p.x === leftmost.x && p.y < leftmost.y)) leftmost = p;\n p = p.next;\n } while (p !== start);\n\n return leftmost;\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle(ax, ay, bx, by, cx, cy, px, py) {\n return (cx - px) * (ay - py) >= (ax - px) * (cy - py) &&\n (ax - px) * (by - py) >= (bx - px) * (ay - py) &&\n (bx - px) * (cy - py) >= (cx - px) * (by - py);\n}\n\n// check if a point lies within a convex triangle but false if its equal to the first point of the triangle\nfunction pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, px, py) {\n return !(ax === px && ay === py) && pointInTriangle(ax, ay, bx, by, cx, cy, px, py);\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal(a, b) {\n return a.next.i !== b.i && a.prev.i !== b.i && !intersectsPolygon(a, b) && // doesn't intersect other edges\n (locallyInside(a, b) && locallyInside(b, a) && middleInside(a, b) && // locally visible\n (area(a.prev, a, b.prev) || area(a, b.prev, b)) || // does not create opposite-facing sectors\n equals(a, b) && area(a.prev, a, a.next) > 0 && area(b.prev, b, b.next) > 0); // special zero-length case\n}\n\n// signed area of a triangle\nfunction area(p, q, r) {\n return (q.y - p.y) * (r.x - q.x) - (q.x - p.x) * (r.y - q.y);\n}\n\n// check if two points are equal\nfunction equals(p1, p2) {\n return p1.x === p2.x && p1.y === p2.y;\n}\n\n// check if two segments intersect\nfunction intersects(p1, q1, p2, q2) {\n const o1 = sign(area(p1, q1, p2));\n const o2 = sign(area(p1, q1, q2));\n const o3 = sign(area(p2, q2, p1));\n const o4 = sign(area(p2, q2, q1));\n\n if (o1 !== o2 && o3 !== o4) return true; // general case\n\n if (o1 === 0 && onSegment(p1, p2, q1)) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n if (o2 === 0 && onSegment(p1, q2, q1)) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n if (o3 === 0 && onSegment(p2, p1, q2)) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n if (o4 === 0 && onSegment(p2, q1, q2)) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n return false;\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment(p, q, r) {\n return q.x <= Math.max(p.x, r.x) && q.x >= Math.min(p.x, r.x) && q.y <= Math.max(p.y, r.y) && q.y >= Math.min(p.y, r.y);\n}\n\nfunction sign(num) {\n return num > 0 ? 1 : num < 0 ? -1 : 0;\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon(a, b) {\n let p = a;\n do {\n if (p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n intersects(p, p.next, a, b)) return true;\n p = p.next;\n } while (p !== a);\n\n return false;\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside(a, b) {\n return area(a.prev, a, a.next) < 0 ?\n area(a, b, a.next) >= 0 && area(a, a.prev, b) >= 0 :\n area(a, b, a.prev) < 0 || area(a, a.next, b) < 0;\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside(a, b) {\n let p = a;\n let inside = false;\n const px = (a.x + b.x) / 2;\n const py = (a.y + b.y) / 2;\n do {\n if (((p.y > py) !== (p.next.y > py)) && p.next.y !== p.y &&\n (px < (p.next.x - p.x) * (py - p.y) / (p.next.y - p.y) + p.x))\n inside = !inside;\n p = p.next;\n } while (p !== a);\n\n return inside;\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon(a, b) {\n const a2 = createNode(a.i, a.x, a.y),\n b2 = createNode(b.i, b.x, b.y),\n an = a.next,\n bp = b.prev;\n\n a.next = b;\n b.prev = a;\n\n a2.next = an;\n an.prev = a2;\n\n b2.next = a2;\n a2.prev = b2;\n\n bp.next = b2;\n b2.prev = bp;\n\n return b2;\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode(i, x, y, last) {\n const p = createNode(i, x, y);\n\n if (!last) {\n p.prev = p;\n p.next = p;\n\n } else {\n p.next = last.next;\n p.prev = last;\n last.next.prev = p;\n last.next = p;\n }\n return p;\n}\n\nfunction removeNode(p) {\n p.next.prev = p.prev;\n p.prev.next = p.next;\n\n if (p.prevZ) p.prevZ.nextZ = p.nextZ;\n if (p.nextZ) p.nextZ.prevZ = p.prevZ;\n}\n\nfunction createNode(i, x, y) {\n return {\n i, // vertex index in coordinates array\n x, y, // vertex coordinates\n prev: null, // previous and next vertex nodes in a polygon ring\n next: null,\n z: 0, // z-order curve value\n prevZ: null, // previous and next nodes in z-order\n nextZ: null,\n steiner: false // indicates whether this is a steiner point\n };\n}\n\nfunction signedArea(data, start, end, dim) {\n let sum = 0;\n for (let i = start, j = end - dim; i < end; i += dim) {\n sum += (data[j] - data[i]) * (data[i + 1] + data[j + 1]);\n j = i;\n }\n return sum;\n}\n\n/**\n * An implementation of the earcut polygon triangulation algorithm.\n * The code is a port of [mapbox/earcut](https://github.com/mapbox/earcut).\n *\n * @see https://github.com/mapbox/earcut\n */\nclass Earcut {\n\n\t/**\n\t * Triangulates the given shape definition by returning an array of triangles.\n\t *\n\t * @param {Array} data - An array with 2D points.\n\t * @param {Array} holeIndices - An array with indices defining holes.\n\t * @param {number} [dim=2] - The number of coordinates per vertex in the input array.\n\t * @return {Array} An array representing the triangulated faces. Each face is defined by three consecutive numbers\n\t * representing vertex indices.\n\t */\n\tstatic triangulate( data, holeIndices, dim = 2 ) {\n\n\t\treturn earcut( data, holeIndices, dim );\n\n\t}\n\n}\n\n/**\n * A class containing utility functions for shapes.\n *\n * @hideconstructor\n */\nclass ShapeUtils {\n\n\t/**\n\t * Calculate area of a ( 2D ) contour polygon.\n\t *\n\t * @param {Array} contour - An array of 2D points.\n\t * @return {number} The area.\n\t */\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\t/**\n\t * Returns `true` if the given contour uses a clockwise winding order.\n\t *\n\t * @param {Array} pts - An array of 2D points defining a polygon.\n\t * @return {boolean} Whether the given contour uses a clockwise winding order or not.\n\t */\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\t/**\n\t * Triangulates the given shape definition.\n\t *\n\t * @param {Array} contour - An array of 2D points defining the contour.\n\t * @param {Array>} holes - An array that holds arrays of 2D points defining the holes.\n\t * @return {Array>} An array that holds for each face definition an array with three indices.\n\t */\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * ```js\n * const length = 12, width = 8;\n *\n * const shape = new THREE.Shape();\n * shape.moveTo( 0,0 );\n * shape.lineTo( 0, width );\n * shape.lineTo( length, width );\n * shape.lineTo( length, 0 );\n * shape.lineTo( 0, 0 );\n *\n * const geometry = new THREE.ExtrudeGeometry( shape );\n * const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );\n * const mesh = new THREE.Mesh( geometry, material ) ;\n * scene.add( mesh );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#ExtrudeGeometry\n */\nclass ExtrudeGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new extrude geometry.\n\t *\n\t * @param {Shape|Array} [shapes] - A shape or an array of shapes.\n\t * @param {ExtrudeGeometry~Options} [options] - The extrude settings.\n\t */\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( -0.5, 0.5 ), new Vector2( -0.5, -0.5 ), new Vector2( 0.5, -0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tconst depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/**Merges index-adjacent points that are within a threshold distance of each other. Array is modified in-place. Threshold distance is empirical, and scaled based on the magnitude of point coordinates.\n\t\t\t * @param {Array} points\n\t\t\t*/\n\t\t\tfunction mergeOverlappingPoints( points ) {\n\n\t\t\t\tconst THRESHOLD = 1e-10;\n\t\t\t\tconst THRESHOLD_SQ = THRESHOLD * THRESHOLD;\n\t\t\t\tlet prevPos = points[ 0 ];\n\t\t\t\tfor ( let i = 1; i <= points.length; i ++ ) {\n\n\t\t\t\t\tconst currentIndex = i % points.length;\n\t\t\t\t\tconst currentPos = points[ currentIndex ];\n\t\t\t\t\tconst dx = currentPos.x - prevPos.x;\n\t\t\t\t\tconst dy = currentPos.y - prevPos.y;\n\t\t\t\t\tconst distSq = dx * dx + dy * dy;\n\n\t\t\t\t\tconst scalingFactorSqrt = Math.max(\n\t\t\t\t\t\tMath.abs( currentPos.x ),\n\t\t\t\t\t\tMath.abs( currentPos.y ),\n\t\t\t\t\t\tMath.abs( prevPos.x ),\n\t\t\t\t\t\tMath.abs( prevPos.y )\n\t\t\t\t\t);\n\t\t\t\t\tconst thresholdSqScaled = THRESHOLD_SQ * scalingFactorSqrt * scalingFactorSqrt;\n\t\t\t\t\tif ( distSq <= thresholdSqScaled ) {\n\n\t\t\t\t\t\tpoints.splice( currentIndex, 1 );\n\t\t\t\t\t\ti --;\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tprevPos = currentPos;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tmergeOverlappingPoints( vertices );\n\t\t\tholes.forEach( mergeOverlappingPoints );\n\n\t\t\tconst numHoles = holes.length;\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0; h < numHoles; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) error( 'ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn pt.clone().addScaledVector( vec, size );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t// but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t// log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = numHoles; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\t\t\tlet faces;\n\n\t\t\tif ( bevelSegments === 0 ) {\n\n\t\t\t\tfaces = ShapeUtils.triangulateShape( contour, holes );\n\n\t\t\t} else {\n\n\t\t\t\tconst contractedContourVertices = [];\n\t\t\t\tconst expandedHoleVertices = [];\n\n\t\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t\t// contract shape\n\n\t\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\t\t\t\t\t\tif ( t === 0 ) contractedContourVertices.push( vert );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// expand holes\n\n\t\t\t\t\tfor ( let h = 0, hl = numHoles; h < hl; h ++ ) {\n\n\t\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\t\t\t\t\t\tconst oneHoleVertices = [];\n\t\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\t\t\t\t\t\t\tif ( t === 0 ) oneHoleVertices.push( vert );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( t === 0 ) expandedHoleVertices.push( oneHoleVertices );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfaces = ShapeUtils.triangulateShape( contractedContourVertices, expandedHoleVertices );\n\n\t\t\t}\n\n\t\t\tconst flen = faces.length;\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t///// Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @param {Array} shapes - An array of shapes.\n\t * @return {ExtrudeGeometry} A new instance.\n\t */\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tdata.options = Object.assign( {}, options );\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\n/**\n * A geometry class for representing an icosahedron.\n *\n * ```js\n * const geometry = new THREE.IcosahedronGeometry();\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const icosahedron = new THREE.Mesh( geometry, material );\n * scene.add( icosahedron );\n * ```\n *\n * @augments PolyhedronGeometry\n * @demo scenes/geometry-browser.html#IcosahedronGeometry\n */\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\t/**\n\t * Constructs a new icosahedron geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the icosahedron.\n\t * @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a icosahedron.\n\t */\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t-1, t, 0, \t1, t, 0, \t-1, - t, 0, \t1, - t, 0,\n\t\t\t0, -1, t, \t0, 1, t,\t0, -1, - t, \t0, 1, - t,\n\t\t\tt, 0, -1, \tt, 0, 1, \t- t, 0, -1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {IcosahedronGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\n/**\n * Creates meshes with axial symmetry like vases. The lathe rotates around the Y axis.\n *\n * ```js\n * const points = [];\n * for ( let i = 0; i < 10; i ++ ) {\n * \tpoints.push( new THREE.Vector2( Math.sin( i * 0.2 ) * 10 + 5, ( i - 5 ) * 2 ) );\n * }\n * const geometry = new THREE.LatheGeometry( points );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const lathe = new THREE.Mesh( geometry, material );\n * scene.add( lathe );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#LatheGeometry\n */\nclass LatheGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new lathe geometry.\n\t *\n\t * @param {Array} [points] - An array of points in 2D space. The x-coordinate of each point\n\t * must be greater than zero.\n\t * @param {number} [segments=12] - The number of circumference segments to generate.\n\t * @param {number} [phiStart=0] - The starting angle in radians.\n\t * @param {number} [phiLength=Math.PI*2] - The radian (0 to 2PI) range of the lathed section 2PI is a\n\t * closed lathe, less than 2PI is a portion.\n\t */\n\tconstructor( points = [ new Vector2( 0, -0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\t\tconst initNormals = [];\n\t\tconst normals = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tconst normal = new Vector3();\n\t\tconst curNormal = new Vector3();\n\t\tconst prevNormal = new Vector3();\n\t\tlet dx = 0;\n\t\tlet dy = 0;\n\n\t\t// pre-compute normals for initial \"meridian\"\n\n\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\tswitch ( j ) {\n\n\t\t\t\tcase 0:\t\t\t\t// special handling for 1st vertex on path\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tprevNormal.copy( normal );\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ( points.length - 1 ):\t// special handling for last Vertex on path\n\n\t\t\t\t\tinitNormals.push( prevNormal.x, prevNormal.y, prevNormal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\t\t\t// default handling for all vertices in between\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tcurNormal.copy( normal );\n\n\t\t\t\t\tnormal.x += prevNormal.x;\n\t\t\t\t\tnormal.y += prevNormal.y;\n\t\t\t\t\tnormal.z += prevNormal.z;\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tprevNormal.copy( curNormal );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate vertices, uvs and normals\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// normal\n\n\t\t\t\tconst x = initNormals[ 3 * j + 0 ] * sin;\n\t\t\t\tconst y = initNormals[ 3 * j + 1 ];\n\t\t\t\tconst z = initNormals[ 3 * j + 0 ] * cos;\n\n\t\t\t\tnormals.push( x, y, z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( c, d, b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {LatheGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\n/**\n * A geometry class for representing an octahedron.\n *\n * ```js\n * const geometry = new THREE.OctahedronGeometry();\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const octahedron = new THREE.Mesh( geometry, material );\n * scene.add( octahedron );\n * ```\n *\n * @augments PolyhedronGeometry\n * @demo scenes/geometry-browser.html#OctahedronGeometry\n */\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\t/**\n\t * Constructs a new octahedron geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the octahedron.\n\t * @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a octahedron.\n\t */\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t-1, 0, 0,\t0, 1, 0,\n\t\t\t0, -1, 0, \t0, 0, 1,\t0, 0, -1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {OctahedronGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\n/**\n * A geometry class for representing a plane.\n *\n * ```js\n * const geometry = new THREE.PlaneGeometry( 1, 1 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00, side: THREE.DoubleSide } );\n * const plane = new THREE.Mesh( geometry, material );\n * scene.add( plane );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#PlaneGeometry\n */\nclass PlaneGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new plane geometry.\n\t *\n\t * @param {number} [width=1] - The width along the X axis.\n\t * @param {number} [height=1] - The height along the Y axis\n\t * @param {number} [widthSegments=1] - The number of segments along the X axis.\n\t * @param {number} [heightSegments=1] - The number of segments along the Y axis.\n\t */\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {PlaneGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\n/**\n * A class for generating a two-dimensional ring geometry.\n *\n * ```js\n * const geometry = new THREE.RingGeometry( 1, 5, 32 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00, side: THREE.DoubleSide } );\n * const mesh = new THREE.Mesh( geometry, material );\n * scene.add( mesh );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#RingGeometry\n */\nclass RingGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new ring geometry.\n\t *\n\t * @param {number} [innerRadius=0.5] - The inner radius of the ring.\n\t * @param {number} [outerRadius=1] - The outer radius of the ring.\n\t * @param {number} [thetaSegments=32] - Number of segments. A higher number means the ring will be more round. Minimum is `3`.\n\t * @param {number} [phiSegments=1] - Number of segments per ring segment. Minimum is `1`.\n\t * @param {number} [thetaStart=0] - Starting angle in radians.\n\t * @param {number} [thetaLength=Math.PI*2] - Central angle in radians.\n\t */\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 32, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {RingGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\n/**\n * Creates an one-sided polygonal geometry from one or more path shapes.\n *\n * ```js\n * const arcShape = new THREE.Shape()\n *\t.moveTo( 5, 1 )\n *\t.absarc( 1, 1, 4, 0, Math.PI * 2, false );\n *\n * const geometry = new THREE.ShapeGeometry( arcShape );\n * const material = new THREE.MeshBasicMaterial( { color: 0x00ff00, side: THREE.DoubleSide } );\n * const mesh = new THREE.Mesh( geometry, material ) ;\n * scene.add( mesh );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#ShapeGeometry\n */\nclass ShapeGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new shape geometry.\n\t *\n\t * @param {Shape|Array} [shapes] - A shape or an array of shapes.\n\t * @param {number} [curveSegments=12] - Number of segments per shape.\n\t */\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( -0.5, -0.5 ), new Vector2( 0.5, -0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @param {Array} shapes - An array of shapes.\n\t * @return {ShapeGeometry} A new instance.\n\t */\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\n/**\n * A class for generating a sphere geometry.\n *\n * ```js\n * const geometry = new THREE.SphereGeometry( 15, 32, 16 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const sphere = new THREE.Mesh( geometry, material );\n * scene.add( sphere );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#SphereGeometry\n */\nclass SphereGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new sphere geometry.\n\t *\n\t * @param {number} [radius=1] - The sphere radius.\n\t * @param {number} [widthSegments=32] - The number of horizontal segments. Minimum value is `3`.\n\t * @param {number} [heightSegments=16] - The number of vertical segments. Minimum value is `2`.\n\t * @param {number} [phiStart=0] - The horizontal starting angle in radians.\n\t * @param {number} [phiLength=Math.PI*2] - The horizontal sweep angle size.\n\t * @param {number} [thetaStart=0] - The vertical starting angle in radians.\n\t * @param {number} [thetaLength=Math.PI] - The vertical sweep angle size.\n\t */\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy === 0 && thetaStart === 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy === heightSegments && thetaEnd === Math.PI ) {\n\n\t\t\t\tuOffset = -0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {SphereGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\n/**\n * A geometry class for representing an tetrahedron.\n *\n * ```js\n * const geometry = new THREE.TetrahedronGeometry();\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const tetrahedron = new THREE.Mesh( geometry, material );\n * scene.add( tetrahedron );\n * ```\n *\n * @augments PolyhedronGeometry\n * @demo scenes/geometry-browser.html#TetrahedronGeometry\n */\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\t/**\n\t * Constructs a new tetrahedron geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the tetrahedron.\n\t * @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a tetrahedron.\n\t */\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t-1, -1, 1, \t-1, 1, -1, \t1, -1, -1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {TetrahedronGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\n/**\n * A geometry class for representing an torus.\n *\n * ```js\n * const geometry = new THREE.TorusGeometry( 10, 3, 16, 100 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const torus = new THREE.Mesh( geometry, material );\n * scene.add( torus );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#TorusGeometry\n */\nclass TorusGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new torus geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the torus, from the center of the torus to the center of the tube.\n\t * @param {number} [tube=0.4] - Radius of the tube. Must be smaller than `radius`.\n\t * @param {number} [radialSegments=12] - The number of radial segments.\n\t * @param {number} [tubularSegments=48] - The number of tubular segments.\n\t * @param {number} [arc=Math.PI*2] - Central angle in radians.\n\t */\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 12, tubularSegments = 48, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {TorusGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\n/**\n * Creates a torus knot, the particular shape of which is defined by a pair\n * of coprime integers, p and q. If p and q are not coprime, the result will\n * be a torus link.\n *\n * ```js\n * const geometry = new THREE.TorusKnotGeometry( 10, 3, 100, 16 );\n * const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );\n * const torusKnot = new THREE.Mesh( geometry, material );\n * scene.add( torusKnot );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#TorusKnotGeometry\n */\nclass TorusKnotGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new torus knot geometry.\n\t *\n\t * @param {number} [radius=1] - Radius of the torus knot.\n\t * @param {number} [tube=0.4] - Radius of the tube.\n\t * @param {number} [tubularSegments=64] - The number of tubular segments.\n\t * @param {number} [radialSegments=8] - The number of radial segments.\n\t * @param {number} [p=2] - This value determines, how many times the geometry winds around its axis of rotational symmetry.\n\t * @param {number} [q=3] - This value determines, how many times the geometry winds around a circle in the interior of the torus.\n\t */\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segment\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectors, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {TorusKnotGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\n/**\n * Creates a tube that extrudes along a 3D curve.\n *\n * ```js\n * class CustomSinCurve extends THREE.Curve {\n *\n * \tgetPoint( t, optionalTarget = new THREE.Vector3() ) {\n *\n * \t\tconst tx = t * 3 - 1.5;\n * \t\tconst ty = Math.sin( 2 * Math.PI * t );\n * \t\tconst tz = 0;\n *\n * \t\treturn optionalTarget.set( tx, ty, tz );\n * \t}\n *\n * }\n *\n * const path = new CustomSinCurve( 10 );\n * const geometry = new THREE.TubeGeometry( path, 20, 2, 8, false );\n * const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );\n * const mesh = new THREE.Mesh( geometry, material );\n * scene.add( mesh );\n * ```\n *\n * @augments BufferGeometry\n * @demo scenes/geometry-browser.html#TubeGeometry\n */\nclass TubeGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new tube geometry.\n\t *\n\t * @param {Curve} [path=QuadraticBezierCurve3] - A 3D curve defining the path of the tube.\n\t * @param {number} [tubularSegments=64] - The number of segments that make up the tube.\n\t * @param {number} [radius=1] -The radius of the tube.\n\t * @param {number} [radialSegments=8] - The number of segments that make up the cross-section.\n\t * @param {boolean} [closed=false] - Whether the tube is closed or not.\n\t */\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( -1, -1, 0 ), new Vector3( -1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\t/**\n\t * Factory method for creating an instance of this class from the given\n\t * JSON object.\n\t *\n\t * @param {Object} data - A JSON object representing the serialized geometry.\n\t * @return {TubeGeometry} A new instance.\n\t */\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\n/**\n * Can be used as a helper object to visualize a geometry as a wireframe.\n *\n * ```js\n * const geometry = new THREE.SphereGeometry();\n *\n * const wireframe = new THREE.WireframeGeometry( geometry );\n *\n * const line = new THREE.LineSegments( wireframe );\n * line.material.depthWrite = false;\n * line.material.opacity = 0.25;\n * line.material.transparent = true;\n *\n * scene.add( line );\n * ```\n *\n * Note: It is not yet possible to serialize/deserialize instances of this class.\n *\n * @augments BufferGeometry\n */\nclass WireframeGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new wireframe geometry.\n\t *\n\t * @param {?BufferGeometry} [geometry=null] - The geometry.\n\t */\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'WireframeGeometry';\n\n\t\t/**\n\t\t * Holds the constructor parameters that have been\n\t\t * used to generate the geometry. Any modification\n\t\t * after instantiation does not change the geometry.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all edges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1 );\n\t\tedges.add( hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tCapsuleGeometry: CapsuleGeometry,\n\tCircleGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\n/**\n * This material can receive shadows, but otherwise is completely transparent.\n *\n * ```js\n * const geometry = new THREE.PlaneGeometry( 2000, 2000 );\n * geometry.rotateX( - Math.PI / 2 );\n *\n * const material = new THREE.ShadowMaterial();\n * material.opacity = 0.2;\n *\n * const plane = new THREE.Mesh( geometry, material );\n * plane.position.y = -200;\n * plane.receiveShadow = true;\n * scene.add( plane );\n * ```\n *\n * @augments Material\n */\nclass ShadowMaterial extends Material {\n\n\t/**\n\t * Constructs a new shadow material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isShadowMaterial = true;\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.color = new Color( 0x000000 );\n\n\t\t/**\n\t\t * Overwritten since shadow materials are transparent\n\t\t * by default.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.transparent = true;\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * This class works just like {@link ShaderMaterial}, except that definitions\n * of built-in uniforms and attributes are not automatically prepended to the\n * GLSL shader code.\n *\n * `RawShaderMaterial` can only be used with {@link WebGLRenderer}.\n *\n * @augments ShaderMaterial\n */\nclass RawShaderMaterial extends ShaderMaterial {\n\n\t/**\n\t * Constructs a new raw shader material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isRawShaderMaterial = true;\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\n/**\n * A standard physically based material, using Metallic-Roughness workflow.\n *\n * Physically based rendering (PBR) has recently become the standard in many\n * 3D applications, such as [Unity](https://blogs.unity3d.com/2014/10/29/physically-based-shading-in-unity-5-a-primer/),\n * [Unreal](https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/PhysicallyBased/) and\n * [3D Studio Max](http://area.autodesk.com/blogs/the-3ds-max-blog/what039s-new-for-rendering-in-3ds-max-2017).\n *\n * This approach differs from older approaches in that instead of using\n * approximations for the way in which light interacts with a surface, a\n * physically correct model is used. The idea is that, instead of tweaking\n * materials to look good under specific lighting, a material can be created\n * that will react 'correctly' under all lighting scenarios.\n *\n * In practice this gives a more accurate and realistic looking result than\n * the {@link MeshLambertMaterial} or {@link MeshPhongMaterial}, at the cost of\n * being somewhat more computationally expensive. `MeshStandardMaterial` uses per-fragment\n * shading.\n *\n * Note that for best results you should always specify an environment map when using this material.\n *\n * For a non-technical introduction to the concept of PBR and how to set up a\n * PBR material, check out these articles by the people at [marmoset](https://www.marmoset.co):\n *\n * - [Basic Theory of Physically Based Rendering](https://www.marmoset.co/posts/basic-theory-of-physically-based-rendering/)\n * - [Physically Based Rendering and You Can Too](https://www.marmoset.co/posts/physically-based-rendering-and-you-can-too/)\n *\n * Technical details of the approach used in three.js (and most other PBR systems) can be found is this\n * [paper from Disney](https://media.disneyanimation.com/uploads/production/publication_asset/48/asset/s2012_pbs_disney_brdf_notes_v3.pdf)\n * (pdf), by Brent Burley.\n *\n * @augments Material\n * @demo scenes/material-browser.html#MeshStandardMaterial\n */\nclass MeshStandardMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh standard material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshStandardMaterial = true;\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\t/**\n\t\t * How rough the material appears. `0.0` means a smooth mirror reflection, `1.0`\n\t\t * means fully diffuse. If `roughnessMap` is also provided,\n\t\t * both values are multiplied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.roughness = 1.0;\n\n\t\t/**\n\t\t * How much the material is like a metal. Non-metallic materials such as wood\n\t\t * or stone use `0.0`, metallic use `1.0`, with nothing (usually) in between.\n\t\t * A value between `0.0` and `1.0` could be used for a rusty metal look.\n\t\t * If `metalnessMap` is also provided, both values are multiplied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.metalness = 0.0;\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The light map. Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.lightMap = null;\n\n\t\t/**\n\t\t * Intensity of the baked light.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\t/**\n\t\t * The red channel of this texture is used as the ambient occlusion map.\n\t\t * Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.aoMap = null;\n\n\t\t/**\n\t\t * Intensity of the ambient occlusion effect. Range is `[0,1]`, where `0`\n\t\t * disables ambient occlusion. Where intensity is `1` and the AO map's\n\t\t * red channel is also `1`, ambient light is fully occluded on a surface.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\t/**\n\t\t * Emissive (light) color of the material, essentially a solid color\n\t\t * unaffected by other lighting.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.emissive = new Color( 0x000000 );\n\n\t\t/**\n\t\t * Intensity of the emissive light. Modulates the emissive color.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.emissiveIntensity = 1.0;\n\n\t\t/**\n\t\t * Set emissive (glow) map. The emissive map color is modulated by the\n\t\t * emissive color and the emissive intensity. If you have an emissive map,\n\t\t * be sure to set the emissive color to something other than black.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.emissiveMap = null;\n\n\t\t/**\n\t\t * The texture to create a bump map. The black and white values map to the\n\t\t * perceived depth in relation to the lights. Bump doesn't actually affect\n\t\t * the geometry of the object, only the lighting. If a normal map is defined\n\t\t * this will be ignored.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.bumpMap = null;\n\n\t\t/**\n\t\t * How much the bump map affects the material. Typical range is `[0,1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.bumpScale = 1;\n\n\t\t/**\n\t\t * The texture to create a normal map. The RGB values affect the surface\n\t\t * normal for each pixel fragment and change the way the color is lit. Normal\n\t\t * maps do not change the actual shape of the surface, only the lighting. In\n\t\t * case the material has a normal map authored using the left handed\n\t\t * convention, the `y` component of `normalScale` should be negated to compensate\n\t\t * for the different handedness.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.normalMap = null;\n\n\t\t/**\n\t\t * The type of normal map.\n\t\t *\n\t\t * @type {(TangentSpaceNormalMap|ObjectSpaceNormalMap)}\n\t\t * @default TangentSpaceNormalMap\n\t\t */\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\n\t\t/**\n\t\t * How much the normal map affects the material. Typical value range is `[0,1]`.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (1,1)\n\t\t */\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\t/**\n\t\t * The displacement map affects the position of the mesh's vertices. Unlike\n\t\t * other maps which only affect the light and shade of the material the\n\t\t * displaced vertices can cast shadows, block other objects, and otherwise\n\t\t * act as real geometry. The displacement texture is an image where the value\n\t\t * of each pixel (white being the highest) is mapped against, and\n\t\t * repositions, the vertices of the mesh.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.displacementMap = null;\n\n\t\t/**\n\t\t * How much the displacement map affects the mesh (where black is no\n\t\t * displacement, and white is maximum displacement). Without a displacement\n\t\t * map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementScale = 1;\n\n\t\t/**\n\t\t * The offset of the displacement map's values on the mesh's vertices.\n\t\t * The bias is added to the scaled sample of the displacement map.\n\t\t * Without a displacement map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementBias = 0;\n\n\t\t/**\n\t\t * The green channel of this texture is used to alter the roughness of the\n\t\t * material.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.roughnessMap = null;\n\n\t\t/**\n\t\t * The blue channel of this texture is used to alter the metalness of the\n\t\t * material.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.metalnessMap = null;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * The environment map. To ensure a physically correct rendering, environment maps\n\t\t * are internally pre-processed with {@link PMREMGenerator}.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.envMap = null;\n\n\t\t/**\n\t\t * The rotation of the environment map in radians.\n\t\t *\n\t\t * @type {Euler}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.envMapRotation = new Euler();\n\n\t\t/**\n\t\t * Scales the effect of the environment map by multiplying its color.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.envMapIntensity = 1.0;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\t/**\n\t\t * Defines appearance of wireframe ends.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinecap = 'round';\n\n\t\t/**\n\t\t * Defines appearance of wireframe joints.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\t/**\n\t\t * Whether the material is rendered with flat shading or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flatShading = false;\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * An extension of the {@link MeshStandardMaterial}, providing more advanced\n * physically-based rendering properties:\n *\n * - Anisotropy: Ability to represent the anisotropic property of materials\n * as observable with brushed metals.\n * - Clearcoat: Some materials — like car paints, carbon fiber, and wet surfaces — require\n * a clear, reflective layer on top of another layer that may be irregular or rough.\n * Clearcoat approximates this effect, without the need for a separate transparent surface.\n * - Iridescence: Allows to render the effect where hue varies depending on the viewing\n * angle and illumination angle. This can be seen on soap bubbles, oil films, or on the\n * wings of many insects.\n * - Physically-based transparency: One limitation of {@link Material#opacity} is that highly\n * transparent materials are less reflective. Physically-based transmission provides a more\n * realistic option for thin, transparent surfaces like glass.\n * - Advanced reflectivity: More flexible reflectivity for non-metallic materials.\n * - Sheen: Can be used for representing cloth and fabric materials.\n *\n * As a result of these complex shading features, `MeshPhysicalMaterial` has a\n * higher performance cost, per pixel, than other three.js materials. Most\n * effects are disabled by default, and add cost as they are enabled. For\n * best results, always specify an environment map when using this material.\n *\n * @augments MeshStandardMaterial\n * @demo scenes/material-browser.html#MeshPhysicalMaterial\n */\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\t/**\n\t * Constructs a new mesh physical material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshPhysicalMaterial = true;\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\t/**\n\t\t * The rotation of the anisotropy in tangent, bitangent space, measured in radians\n\t\t * counter-clockwise from the tangent. When `anisotropyMap` is present, this\n\t\t * property provides additional rotation to the vectors in the texture.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.anisotropyRotation = 0;\n\n\t\t/**\n\t\t * Red and green channels represent the anisotropy direction in `[-1, 1]` tangent,\n\t\t * bitangent space, to be rotated by `anisotropyRotation`. The blue channel\n\t\t * contains strength as `[0, 1]` to be multiplied by `anisotropy`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.anisotropyMap = null;\n\n\t\t/**\n\t\t * The red channel of this texture is multiplied against `clearcoat`,\n\t\t * for per-pixel control over a coating's intensity.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.clearcoatMap = null;\n\n\t\t/**\n\t\t * Roughness of the clear coat layer, from `0.0` to `1.0`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.clearcoatRoughness = 0.0;\n\n\t\t/**\n\t\t * The green channel of this texture is multiplied against\n\t\t * `clearcoatRoughness`, for per-pixel control over a coating's roughness.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.clearcoatRoughnessMap = null;\n\n\t\t/**\n\t\t * How much `clearcoatNormalMap` affects the clear coat layer, from\n\t\t * `(0,0)` to `(1,1)`.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (1,1)\n\t\t */\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\n\t\t/**\n\t\t * Can be used to enable independent normals for the clear coat layer.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.clearcoatNormalMap = null;\n\n\t\t/**\n\t\t * Index-of-refraction for non-metallic materials, from `1.0` to `2.333`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1.5\n\t\t */\n\t\tthis.ior = 1.5;\n\n\t\t/**\n\t\t * Degree of reflectivity, from `0.0` to `1.0`. Default is `0.5`, which\n\t\t * corresponds to an index-of-refraction of `1.5`.\n\t\t *\n\t\t * This models the reflectivity of non-metallic materials. It has no effect\n\t\t * when `metalness` is `1.0`\n\t\t *\n\t\t * @name MeshPhysicalMaterial#reflectivity\n\t\t * @type {number}\n\t\t * @default 0.5\n\t\t */\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * The red channel of this texture is multiplied against `iridescence`, for per-pixel\n\t\t * control over iridescence.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.iridescenceMap = null;\n\n\t\t/**\n\t\t * Strength of the iridescence RGB color shift effect, represented by an index-of-refraction.\n\t\t * Between `1.0` to `2.333`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1.3\n\t\t */\n\t\tthis.iridescenceIOR = 1.3;\n\n\t\t/**\n\t\t *Array of exactly 2 elements, specifying minimum and maximum thickness of the iridescence layer.\n\t\t Thickness of iridescence layer has an equivalent effect of the one `thickness` has on `ior`.\n\t\t *\n\t\t * @type {Array}\n\t\t * @default [100,400]\n\t\t */\n\t\tthis.iridescenceThicknessRange = [ 100, 400 ];\n\n\t\t/**\n\t\t * A texture that defines the thickness of the iridescence layer, stored in the green channel.\n\t\t * Minimum and maximum values of thickness are defined by `iridescenceThicknessRange` array:\n\t\t * - `0.0` in the green channel will result in thickness equal to first element of the array.\n\t\t * - `1.0` in the green channel will result in thickness equal to second element of the array.\n\t\t * - Values in-between will linearly interpolate between the elements of the array.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.iridescenceThicknessMap = null;\n\n\t\t/**\n\t\t * The sheen tint.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.sheenColor = new Color( 0x000000 );\n\n\t\t/**\n\t\t * The RGB channels of this texture are multiplied against `sheenColor`, for per-pixel control\n\t\t * over sheen tint.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.sheenColorMap = null;\n\n\t\t/**\n\t\t * Roughness of the sheen layer, from `0.0` to `1.0`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.sheenRoughness = 1.0;\n\n\t\t/**\n\t\t * The alpha channel of this texture is multiplied against `sheenRoughness`, for per-pixel control\n\t\t * over sheen roughness.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.sheenRoughnessMap = null;\n\n\t\t/**\n\t\t * The red channel of this texture is multiplied against `transmission`, for per-pixel control over\n\t\t * optical transparency.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.transmissionMap = null;\n\n\t\t/**\n\t\t * The thickness of the volume beneath the surface. The value is given in the\n\t\t * coordinate space of the mesh. If the value is `0` the material is\n\t\t * thin-walled. Otherwise the material is a volume boundary.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.thickness = 0;\n\n\t\t/**\n\t\t * A texture that defines the thickness, stored in the green channel. This will\n\t\t * be multiplied by `thickness`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.thicknessMap = null;\n\n\t\t/**\n\t\t * Density of the medium given as the average distance that light travels in\n\t\t * the medium before interacting with a particle. The value is given in world\n\t\t * space units, and must be greater than zero.\n\t\t *\n\t\t * @type {number}\n\t\t * @default Infinity\n\t\t */\n\t\tthis.attenuationDistance = Infinity;\n\n\t\t/**\n\t\t * The color that white light turns into due to absorption when reaching the\n\t\t * attenuation distance.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\t/**\n\t\t * A float that scales the amount of specular reflection for non-metals only.\n\t\t * When set to zero, the model is effectively Lambertian. From `0.0` to `1.0`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.specularIntensity = 1.0;\n\n\t\t/**\n\t\t * The alpha channel of this texture is multiplied against `specularIntensity`,\n\t\t * for per-pixel control over specular intensity.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.specularIntensityMap = null;\n\n\t\t/**\n\t\t * Tints the specular reflection at normal incidence for non-metals only.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\n\t\t/**\n\t\t * The RGB channels of this texture are multiplied against `specularColor`,\n\t\t * for per-pixel control over specular color.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.specularColorMap = null;\n\n\t\tthis._anisotropy = 0;\n\t\tthis._clearcoat = 0;\n\t\tthis._dispersion = 0;\n\t\tthis._iridescence = 0;\n\t\tthis._sheen = 0.0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\t/**\n\t * The anisotropy strength, from `0.0` to `1.0`.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget anisotropy() {\n\n\t\treturn this._anisotropy;\n\n\t}\n\n\tset anisotropy( value ) {\n\n\t\tif ( this._anisotropy > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._anisotropy = value;\n\n\t}\n\n\t/**\n\t * Represents the intensity of the clear coat layer, from `0.0` to `1.0`. Use\n\t * clear coat related properties to enable multilayer materials that have a\n\t * thin translucent layer over the base layer.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\t/**\n\t * The intensity of the iridescence layer, simulating RGB color shift based on the angle between\n\t * the surface and the viewer, from `0.0` to `1.0`.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget iridescence() {\n\n\t\treturn this._iridescence;\n\n\t}\n\n\tset iridescence( value ) {\n\n\t\tif ( this._iridescence > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._iridescence = value;\n\n\t}\n\n\t/**\n\t * Defines the strength of the angular separation of colors (chromatic aberration) transmitting\n\t * through a relatively clear volume. Any value zero or larger is valid, the typical range of\n\t * realistic values is `[0, 1]`. This property can be only be used with transmissive objects.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget dispersion() {\n\n\t\treturn this._dispersion;\n\n\t}\n\n\tset dispersion( value ) {\n\n\t\tif ( this._dispersion > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._dispersion = value;\n\n\t}\n\n\t/**\n\t * The intensity of the sheen layer, from `0.0` to `1.0`.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\t/**\n\t * Degree of transmission (or optical transparency), from `0.0` to `1.0`.\n\t *\n\t * Thin, transparent or semitransparent, plastic or glass materials remain\n\t * largely reflective even if they are fully transmissive. The transmission\n\t * property can be used to model these materials.\n\t *\n\t * When transmission is non-zero, `opacity` should be set to `1`.\n\t *\n\t * @type {number}\n\t * @default 0\n\t */\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.anisotropy = source.anisotropy;\n\t\tthis.anisotropyRotation = source.anisotropyRotation;\n\t\tthis.anisotropyMap = source.anisotropyMap;\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.dispersion = source.dispersion;\n\t\tthis.ior = source.ior;\n\n\t\tthis.iridescence = source.iridescence;\n\t\tthis.iridescenceMap = source.iridescenceMap;\n\t\tthis.iridescenceIOR = source.iridescenceIOR;\n\t\tthis.iridescenceThicknessRange = [ ...source.iridescenceThicknessRange ];\n\t\tthis.iridescenceThicknessMap = source.iridescenceThicknessMap;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A material for shiny surfaces with specular highlights.\n *\n * The material uses a non-physically based [Blinn-Phong](https://en.wikipedia.org/wiki/Blinn-Phong_shading_model)\n * model for calculating reflectance. Unlike the Lambertian model used in the\n * {@link MeshLambertMaterial} this can simulate shiny surfaces with specular\n * highlights (such as varnished wood). `MeshPhongMaterial` uses per-fragment shading.\n *\n * Performance will generally be greater when using this material over the\n * {@link MeshStandardMaterial} or {@link MeshPhysicalMaterial}, at the cost of\n * some graphical accuracy.\n *\n * @augments Material\n * @demo scenes/material-browser.html#MeshPhongMaterial\n */\nclass MeshPhongMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh phong material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshPhongMaterial = true;\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\t/**\n\t\t * Specular color of the material. The default color is set to `0x111111` (very dark grey)\n\t\t *\n\t\t * This defines how shiny the material is and the color of its shine.\n\t\t *\n\t\t * @type {Color}\n\t\t */\n\t\tthis.specular = new Color( 0x111111 );\n\n\t\t/**\n\t\t * How shiny the specular highlight is; a higher value gives a sharper highlight.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 30\n\t\t */\n\t\tthis.shininess = 30;\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The light map. Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.lightMap = null;\n\n\t\t/**\n\t\t * Intensity of the baked light.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\t/**\n\t\t * The red channel of this texture is used as the ambient occlusion map.\n\t\t * Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.aoMap = null;\n\n\t\t/**\n\t\t * Intensity of the ambient occlusion effect. Range is `[0,1]`, where `0`\n\t\t * disables ambient occlusion. Where intensity is `1` and the AO map's\n\t\t * red channel is also `1`, ambient light is fully occluded on a surface.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\t/**\n\t\t * Emissive (light) color of the material, essentially a solid color\n\t\t * unaffected by other lighting.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.emissive = new Color( 0x000000 );\n\n\t\t/**\n\t\t * Intensity of the emissive light. Modulates the emissive color.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.emissiveIntensity = 1.0;\n\n\t\t/**\n\t\t * Set emissive (glow) map. The emissive map color is modulated by the\n\t\t * emissive color and the emissive intensity. If you have an emissive map,\n\t\t * be sure to set the emissive color to something other than black.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.emissiveMap = null;\n\n\t\t/**\n\t\t * The texture to create a bump map. The black and white values map to the\n\t\t * perceived depth in relation to the lights. Bump doesn't actually affect\n\t\t * the geometry of the object, only the lighting. If a normal map is defined\n\t\t * this will be ignored.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.bumpMap = null;\n\n\t\t/**\n\t\t * How much the bump map affects the material. Typical range is `[0,1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.bumpScale = 1;\n\n\t\t/**\n\t\t * The texture to create a normal map. The RGB values affect the surface\n\t\t * normal for each pixel fragment and change the way the color is lit. Normal\n\t\t * maps do not change the actual shape of the surface, only the lighting. In\n\t\t * case the material has a normal map authored using the left handed\n\t\t * convention, the `y` component of `normalScale` should be negated to compensate\n\t\t * for the different handedness.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.normalMap = null;\n\n\t\t/**\n\t\t * The type of normal map.\n\t\t *\n\t\t * @type {(TangentSpaceNormalMap|ObjectSpaceNormalMap)}\n\t\t * @default TangentSpaceNormalMap\n\t\t */\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\n\t\t/**\n\t\t * How much the normal map affects the material. Typical value range is `[0,1]`.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (1,1)\n\t\t */\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\t/**\n\t\t * The displacement map affects the position of the mesh's vertices. Unlike\n\t\t * other maps which only affect the light and shade of the material the\n\t\t * displaced vertices can cast shadows, block other objects, and otherwise\n\t\t * act as real geometry. The displacement texture is an image where the value\n\t\t * of each pixel (white being the highest) is mapped against, and\n\t\t * repositions, the vertices of the mesh.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.displacementMap = null;\n\n\t\t/**\n\t\t * How much the displacement map affects the mesh (where black is no\n\t\t * displacement, and white is maximum displacement). Without a displacement\n\t\t * map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementScale = 1;\n\n\t\t/**\n\t\t * The offset of the displacement map's values on the mesh's vertices.\n\t\t * The bias is added to the scaled sample of the displacement map.\n\t\t * Without a displacement map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementBias = 0;\n\n\t\t/**\n\t\t * The specular map value affects both how much the specular surface\n\t\t * highlight contributes and how much of the environment map affects the\n\t\t * surface.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.specularMap = null;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * The environment map.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.envMap = null;\n\n\t\t/**\n\t\t * The rotation of the environment map in radians.\n\t\t *\n\t\t * @type {Euler}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.envMapRotation = new Euler();\n\n\t\t/**\n\t\t * How to combine the result of the surface's color with the environment map, if any.\n\t\t *\n\t\t * When set to `MixOperation`, the {@link MeshBasicMaterial#reflectivity} is used to\n\t\t * blend between the two colors.\n\t\t *\n\t\t * @type {(MultiplyOperation|MixOperation|AddOperation)}\n\t\t * @default MultiplyOperation\n\t\t */\n\t\tthis.combine = MultiplyOperation;\n\n\t\t/**\n\t\t * How much the environment map affects the surface.\n\t\t * The valid range is between `0` (no reflections) and `1` (full reflections).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.reflectivity = 1;\n\n\t\t/**\n\t\t * The index of refraction (IOR) of air (approximately 1) divided by the\n\t\t * index of refraction of the material. It is used with environment mapping\n\t\t * modes {@link CubeRefractionMapping} and {@link EquirectangularRefractionMapping}.\n\t\t * The refraction ratio should not exceed `1`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.98\n\t\t */\n\t\tthis.refractionRatio = 0.98;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\t/**\n\t\t * Defines appearance of wireframe ends.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinecap = 'round';\n\n\t\t/**\n\t\t * Defines appearance of wireframe joints.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\t/**\n\t\t * Whether the material is rendered with flat shading or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flatShading = false;\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A material implementing toon shading.\n *\n * @augments Material\n * @demo scenes/material-browser.html#MeshToonMaterial\n */\nclass MeshToonMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh toon material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshToonMaterial = true;\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff );\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * Gradient map for toon shading. It's required to set\n\t\t * {@link Texture#minFilter} and {@link Texture#magFilter} to {@linkNearestFilter}\n\t\t * when using this type of texture.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.gradientMap = null;\n\n\t\t/**\n\t\t * The light map. Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.lightMap = null;\n\n\t\t/**\n\t\t * Intensity of the baked light.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\t/**\n\t\t * The red channel of this texture is used as the ambient occlusion map.\n\t\t * Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.aoMap = null;\n\n\t\t/**\n\t\t * Intensity of the ambient occlusion effect. Range is `[0,1]`, where `0`\n\t\t * disables ambient occlusion. Where intensity is `1` and the AO map's\n\t\t * red channel is also `1`, ambient light is fully occluded on a surface.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\t/**\n\t\t * Emissive (light) color of the material, essentially a solid color\n\t\t * unaffected by other lighting.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.emissive = new Color( 0x000000 );\n\n\t\t/**\n\t\t * Intensity of the emissive light. Modulates the emissive color.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.emissiveIntensity = 1.0;\n\n\t\t/**\n\t\t * Set emissive (glow) map. The emissive map color is modulated by the\n\t\t * emissive color and the emissive intensity. If you have an emissive map,\n\t\t * be sure to set the emissive color to something other than black.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.emissiveMap = null;\n\n\t\t/**\n\t\t * The texture to create a bump map. The black and white values map to the\n\t\t * perceived depth in relation to the lights. Bump doesn't actually affect\n\t\t * the geometry of the object, only the lighting. If a normal map is defined\n\t\t * this will be ignored.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.bumpMap = null;\n\n\t\t/**\n\t\t * How much the bump map affects the material. Typical range is `[0,1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.bumpScale = 1;\n\n\t\t/**\n\t\t * The texture to create a normal map. The RGB values affect the surface\n\t\t * normal for each pixel fragment and change the way the color is lit. Normal\n\t\t * maps do not change the actual shape of the surface, only the lighting. In\n\t\t * case the material has a normal map authored using the left handed\n\t\t * convention, the `y` component of `normalScale` should be negated to compensate\n\t\t * for the different handedness.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.normalMap = null;\n\n\t\t/**\n\t\t * The type of normal map.\n\t\t *\n\t\t * @type {(TangentSpaceNormalMap|ObjectSpaceNormalMap)}\n\t\t * @default TangentSpaceNormalMap\n\t\t */\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\n\t\t/**\n\t\t * How much the normal map affects the material. Typical value range is `[0,1]`.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (1,1)\n\t\t */\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\t/**\n\t\t * The displacement map affects the position of the mesh's vertices. Unlike\n\t\t * other maps which only affect the light and shade of the material the\n\t\t * displaced vertices can cast shadows, block other objects, and otherwise\n\t\t * act as real geometry. The displacement texture is an image where the value\n\t\t * of each pixel (white being the highest) is mapped against, and\n\t\t * repositions, the vertices of the mesh.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.displacementMap = null;\n\n\t\t/**\n\t\t * How much the displacement map affects the mesh (where black is no\n\t\t * displacement, and white is maximum displacement). Without a displacement\n\t\t * map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementScale = 1;\n\n\t\t/**\n\t\t * The offset of the displacement map's values on the mesh's vertices.\n\t\t * The bias is added to the scaled sample of the displacement map.\n\t\t * Without a displacement map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementBias = 0;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\t/**\n\t\t * Defines appearance of wireframe ends.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinecap = 'round';\n\n\t\t/**\n\t\t * Defines appearance of wireframe joints.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A material that maps the normal vectors to RGB colors.\n *\n * @augments Material\n * @demo scenes/material-browser.html#MeshNormalMaterial\n */\nclass MeshNormalMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh normal material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshNormalMaterial = true;\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\t/**\n\t\t * The texture to create a bump map. The black and white values map to the\n\t\t * perceived depth in relation to the lights. Bump doesn't actually affect\n\t\t * the geometry of the object, only the lighting. If a normal map is defined\n\t\t * this will be ignored.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.bumpMap = null;\n\n\t\t/**\n\t\t * How much the bump map affects the material. Typical range is `[0,1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.bumpScale = 1;\n\n\t\t/**\n\t\t * The texture to create a normal map. The RGB values affect the surface\n\t\t * normal for each pixel fragment and change the way the color is lit. Normal\n\t\t * maps do not change the actual shape of the surface, only the lighting. In\n\t\t * case the material has a normal map authored using the left handed\n\t\t * convention, the `y` component of `normalScale` should be negated to compensate\n\t\t * for the different handedness.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.normalMap = null;\n\n\t\t/**\n\t\t * The type of normal map.\n\t\t *\n\t\t * @type {(TangentSpaceNormalMap|ObjectSpaceNormalMap)}\n\t\t * @default TangentSpaceNormalMap\n\t\t */\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\n\t\t/**\n\t\t * How much the normal map affects the material. Typical value range is `[0,1]`.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (1,1)\n\t\t */\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\t/**\n\t\t * The displacement map affects the position of the mesh's vertices. Unlike\n\t\t * other maps which only affect the light and shade of the material the\n\t\t * displaced vertices can cast shadows, block other objects, and otherwise\n\t\t * act as real geometry. The displacement texture is an image where the value\n\t\t * of each pixel (white being the highest) is mapped against, and\n\t\t * repositions, the vertices of the mesh.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.displacementMap = null;\n\n\t\t/**\n\t\t * How much the displacement map affects the mesh (where black is no\n\t\t * displacement, and white is maximum displacement). Without a displacement\n\t\t * map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementScale = 1;\n\n\t\t/**\n\t\t * The offset of the displacement map's values on the mesh's vertices.\n\t\t * The bias is added to the scaled sample of the displacement map.\n\t\t * Without a displacement map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementBias = 0;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * WebGL and WebGPU ignore this property and always render\n\t\t * 1 pixel wide lines.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\t/**\n\t\t * Whether the material is rendered with flat shading or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A material for non-shiny surfaces, without specular highlights.\n *\n * The material uses a non-physically based [Lambertian](https://en.wikipedia.org/wiki/Lambertian_reflectance)\n * model for calculating reflectance. This can simulate some surfaces (such\n * as untreated wood or stone) well, but cannot simulate shiny surfaces with\n * specular highlights (such as varnished wood). `MeshLambertMaterial` uses per-fragment\n * shading.\n *\n * Due to the simplicity of the reflectance and illumination models,\n * performance will be greater when using this material over the\n * {@link MeshPhongMaterial}, {@link MeshStandardMaterial} or\n * {@link MeshPhysicalMaterial}, at the cost of some graphical accuracy.\n *\n * @augments Material\n * @demo scenes/material-browser.html#MeshLambertMaterial\n */\nclass MeshLambertMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh lambert material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshLambertMaterial = true;\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The light map. Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.lightMap = null;\n\n\t\t/**\n\t\t * Intensity of the baked light.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\t/**\n\t\t * The red channel of this texture is used as the ambient occlusion map.\n\t\t * Requires a second set of UVs.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.aoMap = null;\n\n\t\t/**\n\t\t * Intensity of the ambient occlusion effect. Range is `[0,1]`, where `0`\n\t\t * disables ambient occlusion. Where intensity is `1` and the AO map's\n\t\t * red channel is also `1`, ambient light is fully occluded on a surface.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\t/**\n\t\t * Emissive (light) color of the material, essentially a solid color\n\t\t * unaffected by other lighting.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.emissive = new Color( 0x000000 );\n\n\t\t/**\n\t\t * Intensity of the emissive light. Modulates the emissive color.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.emissiveIntensity = 1.0;\n\n\t\t/**\n\t\t * Set emissive (glow) map. The emissive map color is modulated by the\n\t\t * emissive color and the emissive intensity. If you have an emissive map,\n\t\t * be sure to set the emissive color to something other than black.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.emissiveMap = null;\n\n\t\t/**\n\t\t * The texture to create a bump map. The black and white values map to the\n\t\t * perceived depth in relation to the lights. Bump doesn't actually affect\n\t\t * the geometry of the object, only the lighting. If a normal map is defined\n\t\t * this will be ignored.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.bumpMap = null;\n\n\t\t/**\n\t\t * How much the bump map affects the material. Typical range is `[0,1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.bumpScale = 1;\n\n\t\t/**\n\t\t * The texture to create a normal map. The RGB values affect the surface\n\t\t * normal for each pixel fragment and change the way the color is lit. Normal\n\t\t * maps do not change the actual shape of the surface, only the lighting. In\n\t\t * case the material has a normal map authored using the left handed\n\t\t * convention, the `y` component of `normalScale` should be negated to compensate\n\t\t * for the different handedness.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.normalMap = null;\n\n\t\t/**\n\t\t * The type of normal map.\n\t\t *\n\t\t * @type {(TangentSpaceNormalMap|ObjectSpaceNormalMap)}\n\t\t * @default TangentSpaceNormalMap\n\t\t */\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\n\t\t/**\n\t\t * How much the normal map affects the material. Typical value range is `[0,1]`.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (1,1)\n\t\t */\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\t/**\n\t\t * The displacement map affects the position of the mesh's vertices. Unlike\n\t\t * other maps which only affect the light and shade of the material the\n\t\t * displaced vertices can cast shadows, block other objects, and otherwise\n\t\t * act as real geometry. The displacement texture is an image where the value\n\t\t * of each pixel (white being the highest) is mapped against, and\n\t\t * repositions, the vertices of the mesh.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.displacementMap = null;\n\n\t\t/**\n\t\t * How much the displacement map affects the mesh (where black is no\n\t\t * displacement, and white is maximum displacement). Without a displacement\n\t\t * map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementScale = 1;\n\n\t\t/**\n\t\t * The offset of the displacement map's values on the mesh's vertices.\n\t\t * The bias is added to the scaled sample of the displacement map.\n\t\t * Without a displacement map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementBias = 0;\n\n\t\t/**\n\t\t * Specular map used by the material.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.specularMap = null;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * The environment map.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.envMap = null;\n\n\t\t/**\n\t\t * The rotation of the environment map in radians.\n\t\t *\n\t\t * @type {Euler}\n\t\t * @default (0,0,0)\n\t\t */\n\t\tthis.envMapRotation = new Euler();\n\n\t\t/**\n\t\t * How to combine the result of the surface's color with the environment map, if any.\n\t\t *\n\t\t * When set to `MixOperation`, the {@link MeshBasicMaterial#reflectivity} is used to\n\t\t * blend between the two colors.\n\t\t *\n\t\t * @type {(MultiplyOperation|MixOperation|AddOperation)}\n\t\t * @default MultiplyOperation\n\t\t */\n\t\tthis.combine = MultiplyOperation;\n\n\t\t/**\n\t\t * How much the environment map affects the surface.\n\t\t * The valid range is between `0` (no reflections) and `1` (full reflections).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.reflectivity = 1;\n\n\t\t/**\n\t\t * The index of refraction (IOR) of air (approximately 1) divided by the\n\t\t * index of refraction of the material. It is used with environment mapping\n\t\t * modes {@link CubeRefractionMapping} and {@link EquirectangularRefractionMapping}.\n\t\t * The refraction ratio should not exceed `1`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.98\n\t\t */\n\t\tthis.refractionRatio = 0.98;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\t/**\n\t\t * Defines appearance of wireframe ends.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinecap = 'round';\n\n\t\t/**\n\t\t * Defines appearance of wireframe joints.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {('round'|'bevel'|'miter')}\n\t\t * @default 'round'\n\t\t */\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\t/**\n\t\t * Whether the material is rendered with flat shading or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flatShading = false;\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A material for drawing geometry by depth. Depth is based off of the camera\n * near and far plane. White is nearest, black is farthest.\n *\n * @augments Material\n * @demo scenes/material-browser.html#MeshDepthMaterial\n */\nclass MeshDepthMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh depth material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshDepthMaterial = true;\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\t/**\n\t\t * Type for depth packing.\n\t\t *\n\t\t * @type {(BasicDepthPacking|RGBADepthPacking|RGBDepthPacking|RGDepthPacking)}\n\t\t * @default BasicDepthPacking\n\t\t */\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * The displacement map affects the position of the mesh's vertices. Unlike\n\t\t * other maps which only affect the light and shade of the material the\n\t\t * displaced vertices can cast shadows, block other objects, and otherwise\n\t\t * act as real geometry. The displacement texture is an image where the value\n\t\t * of each pixel (white being the highest) is mapped against, and\n\t\t * repositions, the vertices of the mesh.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.displacementMap = null;\n\n\t\t/**\n\t\t * How much the displacement map affects the mesh (where black is no\n\t\t * displacement, and white is maximum displacement). Without a displacement\n\t\t * map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementScale = 1;\n\n\t\t/**\n\t\t * The offset of the displacement map's values on the mesh's vertices.\n\t\t * The bias is added to the scaled sample of the displacement map.\n\t\t * Without a displacement map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementBias = 0;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * WebGL and WebGPU ignore this property and always render\n\t\t * 1 pixel wide lines.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A material used internally for implementing shadow mapping with\n * point lights.\n *\n * Can also be used to customize the shadow casting of an object by assigning\n * an instance of `MeshDistanceMaterial` to {@link Object3D#customDistanceMaterial}.\n * The following examples demonstrates this approach in order to ensure\n * transparent parts of objects do not cast shadows.\n *\n * @augments Material\n */\nclass MeshDistanceMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh distance material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshDistanceMaterial = true;\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * The displacement map affects the position of the mesh's vertices. Unlike\n\t\t * other maps which only affect the light and shade of the material the\n\t\t * displaced vertices can cast shadows, block other objects, and otherwise\n\t\t * act as real geometry. The displacement texture is an image where the value\n\t\t * of each pixel (white being the highest) is mapped against, and\n\t\t * repositions, the vertices of the mesh.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.displacementMap = null;\n\n\t\t/**\n\t\t * How much the displacement map affects the mesh (where black is no\n\t\t * displacement, and white is maximum displacement). Without a displacement\n\t\t * map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementScale = 1;\n\n\t\t/**\n\t\t * The offset of the displacement map's values on the mesh's vertices.\n\t\t * The bias is added to the scaled sample of the displacement map.\n\t\t * Without a displacement map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementBias = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * This material is defined by a MatCap (or Lit Sphere) texture, which encodes the\n * material color and shading.\n *\n * `MeshMatcapMaterial` does not respond to lights since the matcap image file encodes\n * baked lighting. It will cast a shadow onto an object that receives shadows\n * (and shadow clipping works), but it will not self-shadow or receive\n * shadows.\n *\n * @augments Material\n * @demo scenes/material-browser.html#MeshMatcapMaterial\n */\nclass MeshMatcapMaterial extends Material {\n\n\t/**\n\t * Constructs a new mesh matcap material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isMeshMatcapMaterial = true;\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\t/**\n\t\t * Color of the material.\n\t\t *\n\t\t * @type {Color}\n\t\t * @default (1,1,1)\n\t\t */\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\t/**\n\t\t * The matcap map.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.matcap = null;\n\n\t\t/**\n\t\t * The color map. May optionally include an alpha channel, typically combined\n\t\t * with {@link Material#transparent} or {@link Material#alphaTest}. The texture map\n\t\t * color is modulated by the diffuse `color`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The texture to create a bump map. The black and white values map to the\n\t\t * perceived depth in relation to the lights. Bump doesn't actually affect\n\t\t * the geometry of the object, only the lighting. If a normal map is defined\n\t\t * this will be ignored.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.bumpMap = null;\n\n\t\t/**\n\t\t * How much the bump map affects the material. Typical range is `[0,1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.bumpScale = 1;\n\n\t\t/**\n\t\t * The texture to create a normal map. The RGB values affect the surface\n\t\t * normal for each pixel fragment and change the way the color is lit. Normal\n\t\t * maps do not change the actual shape of the surface, only the lighting. In\n\t\t * case the material has a normal map authored using the left handed\n\t\t * convention, the `y` component of `normalScale` should be negated to compensate\n\t\t * for the different handedness.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.normalMap = null;\n\n\t\t/**\n\t\t * The type of normal map.\n\t\t *\n\t\t * @type {(TangentSpaceNormalMap|ObjectSpaceNormalMap)}\n\t\t * @default TangentSpaceNormalMap\n\t\t */\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\n\t\t/**\n\t\t * How much the normal map affects the material. Typical value range is `[0,1]`.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (1,1)\n\t\t */\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\t/**\n\t\t * The displacement map affects the position of the mesh's vertices. Unlike\n\t\t * other maps which only affect the light and shade of the material the\n\t\t * displaced vertices can cast shadows, block other objects, and otherwise\n\t\t * act as real geometry. The displacement texture is an image where the value\n\t\t * of each pixel (white being the highest) is mapped against, and\n\t\t * repositions, the vertices of the mesh.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.displacementMap = null;\n\n\t\t/**\n\t\t * How much the displacement map affects the mesh (where black is no\n\t\t * displacement, and white is maximum displacement). Without a displacement\n\t\t * map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementScale = 1;\n\n\t\t/**\n\t\t * The offset of the displacement map's values on the mesh's vertices.\n\t\t * The bias is added to the scaled sample of the displacement map.\n\t\t * Without a displacement map set, this value is not applied.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.displacementBias = 0;\n\n\t\t/**\n\t\t * The alpha map is a grayscale texture that controls the opacity across the\n\t\t * surface (black: fully transparent; white: fully opaque).\n\t\t *\n\t\t * Only the color of the texture is used, ignoring the alpha channel if one\n\t\t * exists. For RGB and RGBA textures, the renderer will use the green channel\n\t\t * when sampling this texture due to the extra bit of precision provided for\n\t\t * green in DXT-compressed and uncompressed RGB 565 formats. Luminance-only and\n\t\t * luminance/alpha textures will also still work as expected.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.alphaMap = null;\n\n\t\t/**\n\t\t * Renders the geometry as a wireframe.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.wireframe = false;\n\n\t\t/**\n\t\t * Controls the thickness of the wireframe.\n\t\t *\n\t\t * Can only be used with {@link SVGRenderer}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.wireframeLinewidth = 1;\n\n\t\t/**\n\t\t * Whether the material is rendered with flat shading or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.flatShading = false;\n\n\t\t/**\n\t\t * Whether the material is affected by fog or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * A material for rendering line primitives.\n *\n * Materials define the appearance of renderable 3D objects.\n *\n * ```js\n * const material = new THREE.LineDashedMaterial( {\n * \tcolor: 0xffffff,\n * \tscale: 1,\n * \tdashSize: 3,\n * \tgapSize: 1,\n * } );\n * ```\n *\n * @augments LineBasicMaterial\n */\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\t/**\n\t * Constructs a new line dashed material.\n\t *\n\t * @param {Object} [parameters] - An object with one or more properties\n\t * defining the material's appearance. Any property of the material\n\t * (including any property from inherited materials) can be passed\n\t * in here. Color values can be passed any type of value accepted\n\t * by {@link Color#set}.\n\t */\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLineDashedMaterial = true;\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\t/**\n\t\t * The scale of the dashed part of a line.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.scale = 1;\n\n\t\t/**\n\t\t * The size of the dash. This is both the gap with the stroke.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 3\n\t\t */\n\t\tthis.dashSize = 3;\n\n\t\t/**\n\t\t * The size of the gap.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Converts an array to a specific type.\n *\n * @param {TypedArray|Array} array - The array to convert.\n * @param {TypedArray.constructor} type - The constructor of a typed array that defines the new type.\n * @return {TypedArray} The converted array.\n */\nfunction convertArray( array, type ) {\n\n\tif ( ! array || array.constructor === type ) return array;\n\n\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\treturn new type( array ); // create typed array\n\n\t}\n\n\treturn Array.prototype.slice.call( array ); // create Array\n\n}\n\n/**\n * Returns `true` if the given object is a typed array.\n *\n * @param {any} object - The object to check.\n * @return {boolean} Whether the given object is a typed array.\n */\nfunction isTypedArray( object ) {\n\n\treturn ArrayBuffer.isView( object ) && ! ( object instanceof DataView );\n\n}\n\n/**\n * Returns an array by which times and values can be sorted.\n *\n * @param {Array} times - The keyframe time values.\n * @return {Array} The array.\n */\nfunction getKeyframeOrder( times ) {\n\n\tfunction compareTime( i, j ) {\n\n\t\treturn times[ i ] - times[ j ];\n\n\t}\n\n\tconst n = times.length;\n\tconst result = new Array( n );\n\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\tresult.sort( compareTime );\n\n\treturn result;\n\n}\n\n/**\n * Sorts the given array by the previously computed order via `getKeyframeOrder()`.\n *\n * @param {Array} values - The values to sort.\n * @param {number} stride - The stride.\n * @param {Array} order - The sort order.\n * @return {Array} The sorted values.\n */\nfunction sortedArray( values, stride, order ) {\n\n\tconst nValues = values.length;\n\tconst result = new values.constructor( nValues );\n\n\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\tconst srcOffset = order[ i ] * stride;\n\n\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t}\n\n\t}\n\n\treturn result;\n\n}\n\n/**\n * Used for parsing AOS keyframe formats.\n *\n * @param {Array} jsonKeys - A list of JSON keyframes.\n * @param {Array} times - This array will be filled with keyframe times by this function.\n * @param {Array} values - This array will be filled with keyframe values by this function.\n * @param {string} valuePropertyName - The name of the property to use.\n */\nfunction flattenJSON( jsonKeys, times, values, valuePropertyName ) {\n\n\tlet i = 1, key = jsonKeys[ 0 ];\n\n\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\tkey = jsonKeys[ i ++ ];\n\n\t}\n\n\tif ( key === undefined ) return; // no data\n\n\tlet value = key[ valuePropertyName ];\n\tif ( value === undefined ) return; // no data\n\n\tif ( Array.isArray( value ) ) {\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push( ...value ); // push all elements\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else if ( value.toArray !== undefined ) {\n\n\t\t// ...assume THREE.Math-ish\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else {\n\n\t\t// otherwise push as-is\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push( value );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t}\n\n}\n\n/**\n * Creates a new clip, containing only the segment of the original clip between the given frames.\n *\n * @param {AnimationClip} sourceClip - The values to sort.\n * @param {string} name - The name of the clip.\n * @param {number} startFrame - The start frame.\n * @param {number} endFrame - The end frame.\n * @param {number} [fps=30] - The FPS.\n * @return {AnimationClip} The new sub clip.\n */\nfunction subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\tconst clip = sourceClip.clone();\n\n\tclip.name = name;\n\n\tconst tracks = [];\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tconst track = clip.tracks[ i ];\n\t\tconst valueSize = track.getValueSize();\n\n\t\tconst times = [];\n\t\tconst values = [];\n\n\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( times.length === 0 ) continue;\n\n\t\ttrack.times = convertArray( times, track.times.constructor );\n\t\ttrack.values = convertArray( values, track.values.constructor );\n\n\t\ttracks.push( track );\n\n\t}\n\n\tclip.tracks = tracks;\n\n\t// find minimum .times value across all tracks in the trimmed clip\n\n\tlet minStartTime = Infinity;\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t}\n\n\t}\n\n\t// shift all tracks such that clip begins at t=0\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tclip.tracks[ i ].shift( -1 * minStartTime );\n\n\t}\n\n\tclip.resetDuration();\n\n\treturn clip;\n\n}\n\n/**\n * Converts the keyframes of the given animation clip to an additive format.\n *\n * @param {AnimationClip} targetClip - The clip to make additive.\n * @param {number} [referenceFrame=0] - The reference frame.\n * @param {AnimationClip} [referenceClip=targetClip] - The reference clip.\n * @param {number} [fps=30] - The FPS.\n * @return {AnimationClip} The updated clip which is now additive.\n */\nfunction makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\tif ( fps <= 0 ) fps = 30;\n\n\tconst numTracks = referenceClip.tracks.length;\n\tconst referenceTime = referenceFrame / fps;\n\n\t// Make each track's values relative to the values at the reference frame\n\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t// Skip this track if it's non-numeric\n\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t} );\n\n\t\tif ( targetTrack === undefined ) continue;\n\n\t\tlet referenceOffset = 0;\n\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t}\n\n\t\tlet targetOffset = 0;\n\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t}\n\n\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\tlet referenceValue;\n\n\t\t// Find the value to subtract out of the track\n\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\treferenceValue = referenceTrack.values.slice( startIndex, endIndex );\n\n\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\treferenceValue = referenceTrack.values.slice( startIndex, endIndex );\n\n\t\t} else {\n\n\t\t\t// Interpolate to the reference value\n\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\treferenceValue = interpolant.resultBuffer.slice( startIndex, endIndex );\n\n\t\t}\n\n\t\t// Conjugate the quaternion\n\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t}\n\n\t\t// Subtract the reference value from all of the track values\n\n\t\tconst numTimes = targetTrack.times.length;\n\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart,\n\t\t\t\t\treferenceValue,\n\t\t\t\t\t0,\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart\n\t\t\t\t);\n\n\t\t\t} else {\n\n\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\treturn targetClip;\n\n}\n\n/**\n * A class with various methods to assist with animations.\n *\n * @hideconstructor\n */\nclass AnimationUtils {\n\n\t/**\n\t * Converts an array to a specific type\n\t *\n\t * @static\n\t * @param {TypedArray|Array} array - The array to convert.\n\t * @param {TypedArray.constructor} type - The constructor of a type array.\n\t * @return {TypedArray} The converted array\n\t */\n\tstatic convertArray( array, type ) {\n\n\t\treturn convertArray( array, type );\n\n\t}\n\n\t/**\n\t * Returns `true` if the given object is a typed array.\n\t *\n\t * @static\n\t * @param {any} object - The object to check.\n\t * @return {boolean} Whether the given object is a typed array.\n\t */\n\tstatic isTypedArray( object ) {\n\n\t\treturn isTypedArray( object );\n\n\t}\n\n\t/**\n\t * Returns an array by which times and values can be sorted.\n\t *\n\t * @static\n\t * @param {Array} times - The keyframe time values.\n\t * @return {Array} The array.\n\t */\n\tstatic getKeyframeOrder( times ) {\n\n\t\treturn getKeyframeOrder( times );\n\n\t}\n\n\t/**\n\t * Sorts the given array by the previously computed order via `getKeyframeOrder()`.\n\t *\n\t * @static\n\t * @param {Array} values - The values to sort.\n\t * @param {number} stride - The stride.\n\t * @param {Array} order - The sort order.\n\t * @return {Array} The sorted values.\n\t */\n\tstatic sortedArray( values, stride, order ) {\n\n\t\treturn sortedArray( values, stride, order );\n\n\t}\n\n\t/**\n\t * Used for parsing AOS keyframe formats.\n\t *\n\t * @static\n\t * @param {Array} jsonKeys - A list of JSON keyframes.\n\t * @param {Array} times - This array will be filled with keyframe times by this method.\n\t * @param {Array} values - This array will be filled with keyframe values by this method.\n\t * @param {string} valuePropertyName - The name of the property to use.\n\t */\n\tstatic flattenJSON( jsonKeys, times, values, valuePropertyName ) {\n\n\t\tflattenJSON( jsonKeys, times, values, valuePropertyName );\n\n\t}\n\n\t/**\n\t * Creates a new clip, containing only the segment of the original clip between the given frames.\n\t *\n\t * @static\n\t * @param {AnimationClip} sourceClip - The values to sort.\n\t * @param {string} name - The name of the clip.\n\t * @param {number} startFrame - The start frame.\n\t * @param {number} endFrame - The end frame.\n\t * @param {number} [fps=30] - The FPS.\n\t * @return {AnimationClip} The new sub clip.\n\t */\n\tstatic subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\t\treturn subclip( sourceClip, name, startFrame, endFrame, fps );\n\n\t}\n\n\t/**\n\t * Converts the keyframes of the given animation clip to an additive format.\n\t *\n\t * @static\n\t * @param {AnimationClip} targetClip - The clip to make additive.\n\t * @param {number} [referenceFrame=0] - The reference frame.\n\t * @param {AnimationClip} [referenceClip=targetClip] - The reference clip.\n\t * @param {number} [fps=30] - The FPS.\n\t * @return {AnimationClip} The updated clip which is now additive.\n\t */\n\tstatic makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\t\treturn makeClipAdditive( targetClip, referenceFrame, referenceClip, fps );\n\n\t}\n\n}\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References: {@link http://www.oodesign.com/template-method-pattern.html}\n *\n * @abstract\n */\nclass Interpolant {\n\n\t/**\n\t * Constructs a new interpolant.\n\t *\n\t * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors.\n\t * @param {TypedArray} sampleValues - The sample values.\n\t * @param {number} sampleSize - The sample size\n\t * @param {TypedArray} [resultBuffer] - The result buffer.\n\t */\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\t/**\n\t\t * The parameter positions.\n\t\t *\n\t\t * @type {TypedArray}\n\t\t */\n\t\tthis.parameterPositions = parameterPositions;\n\n\t\t/**\n\t\t * A cache index.\n\t\t *\n\t\t * @private\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis._cachedIndex = 0;\n\n\t\t/**\n\t\t * The result buffer.\n\t\t *\n\t\t * @type {TypedArray}\n\t\t */\n\t\tthis.resultBuffer = resultBuffer !== undefined ? resultBuffer : new sampleValues.constructor( sampleSize );\n\n\t\t/**\n\t\t * The sample values.\n\t\t *\n\t\t * @type {TypedArray}\n\t\t */\n\t\tthis.sampleValues = sampleValues;\n\n\t\t/**\n\t\t * The value size.\n\t\t *\n\t\t * @type {TypedArray}\n\t\t */\n\t\tthis.valueSize = sampleSize;\n\n\t\t/**\n\t\t * The interpolation settings.\n\t\t *\n\t\t * @type {?Object}\n\t\t * @default null\n\t\t */\n\t\tthis.settings = null;\n\n\t\t/**\n\t\t * The default settings object.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\t/**\n\t * Evaluate the interpolant at position `t`.\n\t *\n\t * @param {number} t - The interpolation factor.\n\t * @return {TypedArray} The result buffer.\n\t */\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\t/**\n\t * Returns the interpolation settings.\n\t *\n\t * @return {Object} The interpolation settings.\n\t */\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\t/**\n\t * Copies a sample value to the result buffer.\n\t *\n\t * @param {number} index - An index into the sample value buffer.\n\t * @return {TypedArray} The result buffer.\n\t */\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t/**\n\t * Copies a sample value to the result buffer.\n\t *\n\t * @abstract\n\t * @param {number} i1 - An index into the sample value buffer.\n\t * @param {number} t0 - The previous interpolation factor.\n\t * @param {number} t - The current interpolation factor.\n\t * @param {number} t1 - The next interpolation factor.\n\t * @return {TypedArray} The result buffer.\n\t */\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\t/**\n\t * Optional method that is executed when the interval has changed.\n\t *\n\t * @param {number} i1 - An index into the sample value buffer.\n\t * @param {number} t0 - The previous interpolation factor.\n\t * @param {number} t - The current interpolation factor.\n\t */\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n *\n * @augments Interpolant\n */\nclass CubicInterpolant extends Interpolant {\n\n\t/**\n\t * Constructs a new cubic interpolant.\n\t *\n\t * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors.\n\t * @param {TypedArray} sampleValues - The sample values.\n\t * @param {number} sampleSize - The sample size\n\t * @param {TypedArray} [resultBuffer] - The result buffer.\n\t */\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = -0;\n\t\tthis._offsetPrev = -0;\n\t\tthis._weightNext = -0;\n\t\tthis._offsetNext = -0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( -1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1;\n\t\tconst s1 = ( -1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A basic linear interpolant.\n *\n * @augments Interpolant\n */\nclass LinearInterpolant extends Interpolant {\n\n\t/**\n\t * Constructs a new linear interpolant.\n\t *\n\t * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors.\n\t * @param {TypedArray} sampleValues - The sample values.\n\t * @param {number} sampleSize - The sample size\n\t * @param {TypedArray} [resultBuffer] - The result buffer.\n\t */\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * Interpolant that evaluates to the sample value at the position preceding\n * the parameter.\n *\n * @augments Interpolant\n */\nclass DiscreteInterpolant extends Interpolant {\n\n\t/**\n\t * Constructs a new discrete interpolant.\n\t *\n\t * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors.\n\t * @param {TypedArray} sampleValues - The sample values.\n\t * @param {number} sampleSize - The sample size\n\t * @param {TypedArray} [resultBuffer] - The result buffer.\n\t */\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\n/**\n * Represents s a timed sequence of keyframes, which are composed of lists of\n * times and related values, and which are used to animate a specific property\n * of an object.\n */\nclass KeyframeTrack {\n\n\t/**\n\t * Constructs a new keyframe track.\n\t *\n\t * @param {string} name - The keyframe track's name.\n\t * @param {Array} times - A list of keyframe times.\n\t * @param {Array} values - A list of keyframe values.\n\t * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type.\n\t */\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\t/**\n\t\t * The track's name can refer to morph targets or bones or\n\t\t * possibly other values within an animated object. See {@link PropertyBinding#parseTrackName}\n\t\t * for the forms of strings that can be parsed for property binding.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * The keyframe times.\n\t\t *\n\t\t * @type {Float32Array}\n\t\t */\n\t\tthis.times = convertArray( times, this.TimeBufferType );\n\n\t\t/**\n\t\t * The keyframe values.\n\t\t *\n\t\t * @type {Float32Array}\n\t\t */\n\t\tthis.values = convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t/**\n\t * Converts the keyframe track to JSON.\n\t *\n\t * @static\n\t * @param {KeyframeTrack} track - The keyframe track to serialize.\n\t * @return {Object} The serialized keyframe track as JSON.\n\t */\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': convertArray( track.times, Array ),\n\t\t\t\t'values': convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\t/**\n\t * Factory method for creating a new discrete interpolant.\n\t *\n\t * @static\n\t * @param {TypedArray} [result] - The result buffer.\n\t * @return {DiscreteInterpolant} The new interpolant.\n\t */\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\t/**\n\t * Factory method for creating a new linear interpolant.\n\t *\n\t * @static\n\t * @param {TypedArray} [result] - The result buffer.\n\t * @return {LinearInterpolant} The new interpolant.\n\t */\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\t/**\n\t * Factory method for creating a new smooth interpolant.\n\t *\n\t * @static\n\t * @param {TypedArray} [result] - The result buffer.\n\t * @return {CubicInterpolant} The new interpolant.\n\t */\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\t/**\n\t * Defines the interpolation factor method for this keyframe track.\n\t *\n\t * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} interpolation - The interpolation type.\n\t * @return {KeyframeTrack} A reference to this keyframe track.\n\t */\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\twarn( 'KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the current interpolation type.\n\t *\n\t * @return {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} The interpolation type.\n\t */\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns the value size.\n\t *\n\t * @return {number} The value size.\n\t */\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t/**\n\t * Moves all keyframes either forward or backward in time.\n\t *\n\t * @param {number} timeOffset - The offset to move the time values.\n\t * @return {KeyframeTrack} A reference to this keyframe track.\n\t */\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Scale all keyframe times by a factor (useful for frame - seconds conversions).\n\t *\n\t * @param {number} timeScale - The time scale.\n\t * @return {KeyframeTrack} A reference to this keyframe track.\n\t */\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Removes keyframes before and after animation without changing any values within the defined time range.\n\t *\n\t * Note: The method does not shift around keys to the start of the track time, because for interpolated\n\t * keys this will change their values\n\t *\n\t * @param {number} startTime - The start time.\n\t * @param {number} endTime - The end time.\n\t * @return {KeyframeTrack} A reference to this keyframe track.\n\t */\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== -1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = times.slice( from, to );\n\t\t\tthis.values = this.values.slice( from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Performs minimal validation on the keyframe track. Returns `true` if the values\n\t * are valid.\n\t *\n\t * @return {boolean} Whether the keyframes are valid or not.\n\t */\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\terror( 'KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\terror( 'KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\terror( 'KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\terror( 'KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\terror( 'KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t/**\n\t * Optimizes this keyframe track by removing equivalent sequential keys (which are\n\t * common in morph target sequences).\n\t *\n\t * @return {AnimationClip} A reference to this animation clip.\n\t */\n\toptimize() {\n\n\t\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = this.times.slice(),\n\t\t\tvalues = this.values.slice(),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = times.slice( 0, writeIndex );\n\t\t\tthis.values = values.slice( 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new keyframe track with copied values from this instance.\n\t *\n\t * @return {KeyframeTrack} A clone of this instance.\n\t */\n\tclone() {\n\n\t\tconst times = this.times.slice();\n\t\tconst values = this.values.slice();\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\n/**\n * The value type name.\n *\n * @type {String}\n * @default ''\n */\nKeyframeTrack.prototype.ValueTypeName = '';\n\n/**\n * The time buffer type of this keyframe track.\n *\n * @type {TypedArray|Array}\n * @default Float32Array.constructor\n */\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\n\n/**\n * The value buffer type of this keyframe track.\n *\n * @type {TypedArray|Array}\n * @default Float32Array.constructor\n */\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\n\n/**\n * The default interpolation type of this keyframe track.\n *\n * @type {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)}\n * @default InterpolateLinear\n */\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A track for boolean keyframe values.\n *\n * @augments KeyframeTrack\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {\n\n\t/**\n\t * Constructs a new boolean keyframe track.\n\t *\n\t * This keyframe track type has no `interpolation` parameter because the\n\t * interpolation is always discrete.\n\t *\n\t * @param {string} name - The keyframe track's name.\n\t * @param {Array} times - A list of keyframe times.\n\t * @param {Array} values - A list of keyframe values.\n\t */\n\tconstructor( name, times, values ) {\n\n\t\tsuper( name, times, values );\n\n\t}\n\n}\n\n/**\n * The value type name.\n *\n * @type {String}\n * @default 'bool'\n */\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\n\n/**\n * The value buffer type of this keyframe track.\n *\n * @type {TypedArray|Array}\n * @default Array.constructor\n */\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\n\n/**\n * The default interpolation type of this keyframe track.\n *\n * @type {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)}\n * @default InterpolateDiscrete\n */\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A track for color keyframe values.\n *\n * @augments KeyframeTrack\n */\nclass ColorKeyframeTrack extends KeyframeTrack {\n\n\t/**\n\t * Constructs a new color keyframe track.\n\t *\n\t * @param {string} name - The keyframe track's name.\n\t * @param {Array} times - A list of keyframe times.\n\t * @param {Array} values - A list of keyframe values.\n\t * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type.\n\t */\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tsuper( name, times, values, interpolation );\n\n\t}\n\n}\n\n/**\n * The value type name.\n *\n * @type {String}\n * @default 'color'\n */\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A track for numeric keyframe values.\n *\n * @augments KeyframeTrack\n */\nclass NumberKeyframeTrack extends KeyframeTrack {\n\n\t/**\n\t * Constructs a new number keyframe track.\n\t *\n\t * @param {string} name - The keyframe track's name.\n\t * @param {Array} times - A list of keyframe times.\n\t * @param {Array} values - A list of keyframe values.\n\t * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type.\n\t */\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tsuper( name, times, values, interpolation );\n\n\t}\n\n}\n\n/**\n * The value type name.\n *\n * @type {String}\n * @default 'number'\n */\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n *\n * @augments Interpolant\n */\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\t/**\n\t * Constructs a new SLERP interpolant.\n\t *\n\t * @param {TypedArray} parameterPositions - The parameter positions hold the interpolation factors.\n\t * @param {TypedArray} sampleValues - The sample values.\n\t * @param {number} sampleSize - The sample size\n\t * @param {TypedArray} [resultBuffer] - The result buffer.\n\t */\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A track for Quaternion keyframe values.\n *\n * @augments KeyframeTrack\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\t/**\n\t * Constructs a new Quaternion keyframe track.\n\t *\n\t * @param {string} name - The keyframe track's name.\n\t * @param {Array} times - A list of keyframe times.\n\t * @param {Array} values - A list of keyframe values.\n\t * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type.\n\t */\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tsuper( name, times, values, interpolation );\n\n\t}\n\n\t/**\n\t * Overwritten so the method returns Quaternion based interpolant.\n\t *\n\t * @static\n\t * @param {TypedArray} [result] - The result buffer.\n\t * @return {QuaternionLinearInterpolant} The new interpolant.\n\t */\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\n/**\n * The value type name.\n *\n * @type {String}\n * @default 'quaternion'\n */\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\n// DefaultInterpolation is inherited;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A track for string keyframe values.\n *\n * @augments KeyframeTrack\n */\nclass StringKeyframeTrack extends KeyframeTrack {\n\n\t/**\n\t * Constructs a new string keyframe track.\n\t *\n\t * This keyframe track type has no `interpolation` parameter because the\n\t * interpolation is always discrete.\n\t *\n\t * @param {string} name - The keyframe track's name.\n\t * @param {Array} times - A list of keyframe times.\n\t * @param {Array} values - A list of keyframe values.\n\t */\n\tconstructor( name, times, values ) {\n\n\t\tsuper( name, times, values );\n\n\t}\n\n}\n\n/**\n * The value type name.\n *\n * @type {String}\n * @default 'string'\n */\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\n\n/**\n * The value buffer type of this keyframe track.\n *\n * @type {TypedArray|Array}\n * @default Array.constructor\n */\nStringKeyframeTrack.prototype.ValueBufferType = Array;\n\n/**\n * The default interpolation type of this keyframe track.\n *\n * @type {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)}\n * @default InterpolateDiscrete\n */\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A track for vector keyframe values.\n *\n * @augments KeyframeTrack\n */\nclass VectorKeyframeTrack extends KeyframeTrack {\n\n\t/**\n\t * Constructs a new vector keyframe track.\n\t *\n\t * @param {string} name - The keyframe track's name.\n\t * @param {Array} times - A list of keyframe times.\n\t * @param {Array} values - A list of keyframe values.\n\t * @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type.\n\t */\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tsuper( name, times, values, interpolation );\n\n\t}\n\n}\n\n/**\n * The value type name.\n *\n * @type {String}\n * @default 'vector'\n */\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\n/**\n * A reusable set of keyframe tracks which represent an animation.\n */\nclass AnimationClip {\n\n\t/**\n\t * Constructs a new animation clip.\n\t *\n\t * Note: Instead of instantiating an AnimationClip directly with the constructor, you can\n\t * use the static interface of this class for creating clips. In most cases though, animation clips\n\t * will automatically be created by loaders when importing animated 3D assets.\n\t *\n\t * @param {string} [name=''] - The clip's name.\n\t * @param {number} [duration=-1] - The clip's duration in seconds. If a negative value is passed,\n\t * the duration will be calculated from the passed keyframes.\n\t * @param {Array} tracks - An array of keyframe tracks.\n\t * @param {(NormalAnimationBlendMode|AdditiveAnimationBlendMode)} [blendMode=NormalAnimationBlendMode] - Defines how the animation\n\t * is blended/combined when two or more animations are simultaneously played.\n\t */\n\tconstructor( name = '', duration = -1, tracks = [], blendMode = NormalAnimationBlendMode ) {\n\n\t\t/**\n\t\t * The clip's name.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = name;\n\n\t\t/**\n\t\t * An array of keyframe tracks.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.tracks = tracks;\n\n\t\t/**\n\t\t * The clip's duration in seconds.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.duration = duration;\n\n\t\t/**\n\t\t * Defines how the animation is blended/combined when two or more animations\n\t\t * are simultaneously played.\n\t\t *\n\t\t * @type {(NormalAnimationBlendMode|AdditiveAnimationBlendMode)}\n\t\t */\n\t\tthis.blendMode = blendMode;\n\n\t\t/**\n\t\t * The UUID of the animation clip.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t\t/**\n\t\t * An object that can be used to store custom data about the animation clip.\n\t\t * It should not hold references to functions as these will not be cloned.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.userData = {};\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Factory method for creating an animation clip from the given JSON.\n\t *\n\t * @static\n\t * @param {Object} json - The serialized animation clip.\n\t * @return {AnimationClip} The new animation clip.\n\t */\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\tclip.userData = JSON.parse( json.userData || '{}' );\n\n\t\treturn clip;\n\n\t}\n\n\t/**\n\t * Serializes the given animation clip into JSON.\n\t *\n\t * @static\n\t * @param {AnimationClip} clip - The animation clip to serialize.\n\t * @return {Object} The JSON object.\n\t */\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode,\n\t\t\t'userData': JSON.stringify( clip.userData ),\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\t/**\n\t * Returns a new animation clip from the passed morph targets array of a\n\t * geometry, taking a name and the number of frames per second.\n\t *\n\t * Note: The fps parameter is required, but the animation speed can be\n\t * overridden via {@link AnimationAction#setDuration}.\n\t *\n\t * @static\n\t * @param {string} name - The name of the animation clip.\n\t * @param {Array} morphTargetSequence - A sequence of morph targets.\n\t * @param {number} fps - The Frames-Per-Second value.\n\t * @param {boolean} noLoop - Whether the clip should be no loop or not.\n\t * @return {AnimationClip} The new animation clip.\n\t */\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = getKeyframeOrder( times );\n\t\t\ttimes = sortedArray( times, 1, order );\n\t\t\tvalues = sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, -1, tracks );\n\n\t}\n\n\t/**\n\t * Searches for an animation clip by name, taking as its first parameter\n\t * either an array of clips, or a mesh or geometry that contains an\n\t * array named \"animations\" property.\n\t *\n\t * @static\n\t * @param {(Array|Object3D)} objectOrClipArray - The array or object to search through.\n\t * @param {string} name - The name to search for.\n\t * @return {?AnimationClip} The found animation clip. Returns `null` if no clip has been found.\n\t */\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t/**\n\t * Returns an array of new AnimationClips created from the morph target\n\t * sequences of a geometry, trying to sort morph target names into\n\t * animation-group-based patterns like \"Walk_001, Walk_002, Run_001, Run_002...\".\n\t *\n\t * See {@link MD2Loader#parse} as an example for how the method should be used.\n\t *\n\t * @static\n\t * @param {Array} morphTargets - A sequence of morph targets.\n\t * @param {number} fps - The Frames-Per-Second value.\n\t * @param {boolean} noLoop - Whether the clip should be no loop or not.\n\t * @return {Array} An array of new animation clips.\n\t */\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t/**\n\t * Parses the `animation.hierarchy` format and returns a new animation clip.\n\t *\n\t * @static\n\t * @deprecated since r175.\n\t * @param {Object} animation - A serialized animation clip as JSON.\n\t * @param {Array} bones - An array of bones.\n\t * @return {?AnimationClip} The new animation clip.\n\t */\n\tstatic parseAnimation( animation, bones ) {\n\n\t\twarn( 'AnimationClip: parseAnimation() is deprecated and will be removed with r185' );\n\n\t\tif ( ! animation ) {\n\n\t\t\terror( 'AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tflattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || -1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = -1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * fps;\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\t/**\n\t * Sets the duration of this clip to the duration of its longest keyframe track.\n\t *\n\t * @return {AnimationClip} A reference to this animation clip.\n\t */\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Trims all tracks to the clip's duration.\n\t *\n\t * @return {AnimationClip} A reference to this animation clip.\n\t */\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Performs minimal validation on each track in the clip. Returns `true` if all\n\t * tracks are valid.\n\t *\n\t * @return {boolean} Whether the clip's keyframes are valid or not.\n\t */\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t/**\n\t * Optimizes each track by removing equivalent sequential keys (which are\n\t * common in morph target sequences).\n\t *\n\t * @return {AnimationClip} A reference to this animation clip.\n\t */\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new animation clip with copied values from this instance.\n\t *\n\t * @return {AnimationClip} A clone of this instance.\n\t */\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\tconst clip = new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t\tclip.userData = JSON.parse( JSON.stringify( this.userData ) );\n\n\t\treturn clip;\n\n\t}\n\n\t/**\n\t * Serializes this animation clip into JSON.\n\t *\n\t * @return {Object} The JSON object.\n\t */\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tflattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\n/**\n * @class\n * @classdesc A simple caching system, used internally by {@link FileLoader}.\n * To enable caching across all loaders that use {@link FileLoader}, add `THREE.Cache.enabled = true.` once in your app.\n * @hideconstructor\n */\nconst Cache = {\n\n\t/**\n\t * Whether caching is enabled or not.\n\t *\n\t * @static\n\t * @type {boolean}\n\t * @default false\n\t */\n\tenabled: false,\n\n\t/**\n\t * A dictionary that holds cached files.\n\t *\n\t * @static\n\t * @type {Object}\n\t */\n\tfiles: {},\n\n\t/**\n\t * Adds a cache entry with a key to reference the file. If this key already\n\t * holds a file, it is overwritten.\n\t *\n\t * @static\n\t * @param {string} key - The key to reference the cached file.\n\t * @param {Object} file - The file to be cached.\n\t */\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// log( 'Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\t/**\n\t * Gets the cached value for the given key.\n\t *\n\t * @static\n\t * @param {string} key - The key to reference the cached file.\n\t * @return {Object|undefined} The cached file. If the key does not exist `undefined` is returned.\n\t */\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// log( 'Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\t/**\n\t * Removes the cached file associated with the given key.\n\t *\n\t * @static\n\t * @param {string} key - The key to reference the cached file.\n\t */\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\t/**\n\t * Remove all values from the cache.\n\t *\n\t * @static\n\t */\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\n/**\n * Handles and keeps track of loaded and pending data. A default global\n * instance of this class is created and used by loaders if not supplied\n * manually.\n *\n * In general that should be sufficient, however there are times when it can\n * be useful to have separate loaders - for example if you want to show\n * separate loading bars for objects and textures.\n *\n * ```js\n * const manager = new THREE.LoadingManager();\n * manager.onLoad = () => console.log( 'Loading complete!' );\n *\n * const loader1 = new OBJLoader( manager );\n * const loader2 = new ColladaLoader( manager );\n * ```\n */\nclass LoadingManager {\n\n\t/**\n\t * Constructs a new loading manager.\n\t *\n\t * @param {Function} [onLoad] - Executes when all items have been loaded.\n\t * @param {Function} [onProgress] - Executes when single items have been loaded.\n\t * @param {Function} [onError] - Executes when an error occurs.\n\t */\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\t/**\n\t\t * Executes when an item starts loading.\n\t\t *\n\t\t * @type {Function|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.onStart = undefined;\n\n\t\t/**\n\t\t * Executes when all items have been loaded.\n\t\t *\n\t\t * @type {Function|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.onLoad = onLoad;\n\n\t\t/**\n\t\t * Executes when single items have been loaded.\n\t\t *\n\t\t * @type {Function|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.onProgress = onProgress;\n\n\t\t/**\n\t\t * Executes when an error occurs.\n\t\t *\n\t\t * @type {Function|undefined}\n\t\t * @default undefined\n\t\t */\n\t\tthis.onError = onError;\n\n\t\t/**\n\t\t * Used for aborting ongoing requests in loaders using this manager.\n\t\t *\n\t\t * @private\n\t\t * @type {AbortController | null}\n\t\t */\n\t\tthis._abortController = null;\n\n\t\t/**\n\t\t * This should be called by any loader using the manager when the loader\n\t\t * starts loading an item.\n\t\t *\n\t\t * @param {string} url - The URL to load.\n\t\t */\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\t/**\n\t\t * This should be called by any loader using the manager when the loader\n\t\t * ended loading an item.\n\t\t *\n\t\t * @param {string} url - The URL of the loaded item.\n\t\t */\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * This should be called by any loader using the manager when the loader\n\t\t * encounters an error when loading an item.\n\t\t *\n\t\t * @param {string} url - The URL of the item that produces an error.\n\t\t */\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Given a URL, uses the URL modifier callback (if any) and returns a\n\t\t * resolved URL. If no URL modifier is set, returns the original URL.\n\t\t *\n\t\t * @param {string} url - The URL to load.\n\t\t * @return {string} The resolved URL.\n\t\t */\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\t/**\n\t\t * If provided, the callback will be passed each resource URL before a\n\t\t * request is sent. The callback may return the original URL, or a new URL to\n\t\t * override loading behavior. This behavior can be used to load assets from\n\t\t * .ZIP files, drag-and-drop APIs, and Data URIs.\n\t\t *\n\t\t * ```js\n\t\t * const blobs = {'fish.gltf': blob1, 'diffuse.png': blob2, 'normal.png': blob3};\n\t\t *\n\t\t * const manager = new THREE.LoadingManager();\n\t\t *\n\t\t * // Initialize loading manager with URL callback.\n\t\t * const objectURLs = [];\n\t\t * manager.setURLModifier( ( url ) => {\n\t\t *\n\t\t * \turl = URL.createObjectURL( blobs[ url ] );\n\t\t * \tobjectURLs.push( url );\n\t\t * \treturn url;\n\t\t *\n\t\t * } );\n\t\t *\n\t\t * // Load as usual, then revoke the blob URLs.\n\t\t * const loader = new GLTFLoader( manager );\n\t\t * loader.load( 'fish.gltf', (gltf) => {\n\t\t *\n\t\t * \tscene.add( gltf.scene );\n\t\t * \tobjectURLs.forEach( ( url ) => URL.revokeObjectURL( url ) );\n\t\t *\n\t\t * } );\n\t\t * ```\n\t\t *\n\t\t * @param {function(string):string} transform - URL modifier callback. Called with an URL and must return a resolved URL.\n\t\t * @return {LoadingManager} A reference to this loading manager.\n\t\t */\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\t/**\n\t\t * Registers a loader with the given regular expression. Can be used to\n\t\t * define what loader should be used in order to load specific files. A\n\t\t * typical use case is to overwrite the default loader for textures.\n\t\t *\n\t\t * ```js\n\t\t * // add handler for TGA textures\n\t\t * manager.addHandler( /\\.tga$/i, new TGALoader() );\n\t\t * ```\n\t\t *\n\t\t * @param {string} regex - A regular expression.\n\t\t * @param {Loader} loader - A loader that should handle matched cases.\n\t\t * @return {LoadingManager} A reference to this loading manager.\n\t\t */\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\t/**\n\t\t * Removes the loader for the given regular expression.\n\t\t *\n\t\t * @param {string} regex - A regular expression.\n\t\t * @return {LoadingManager} A reference to this loading manager.\n\t\t */\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== -1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\t/**\n\t\t * Can be used to retrieve the registered loader for the given file path.\n\t\t *\n\t\t * @param {string} file - The file path.\n\t\t * @return {?Loader} The registered loader. Returns `null` if no loader was found.\n\t\t */\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t\t/**\n\t\t * Can be used to abort ongoing loading requests in loaders using this manager.\n\t\t * The abort only works if the loaders implement {@link Loader#abort} and `AbortSignal.any()`\n\t\t * is supported in the browser.\n\t\t *\n\t\t * @return {LoadingManager} A reference to this loading manager.\n\t\t */\n\t\tthis.abort = function () {\n\n\n\t\t\tthis.abortController.abort();\n\t\t\tthis._abortController = null;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t}\n\n\t// TODO: Revert this back to a single member variable once this issue has been fixed\n\t// https://github.com/cloudflare/workerd/issues/3657\n\n\t/**\n\t * Used for aborting ongoing requests in loaders using this manager.\n\t *\n\t * @type {AbortController}\n\t */\n\tget abortController() {\n\n\t\tif ( ! this._abortController ) {\n\n\t\t\tthis._abortController = new AbortController();\n\n\t\t}\n\n\t\treturn this._abortController;\n\n\t}\n\n}\n\n/**\n * The global default loading manager.\n *\n * @constant\n * @type {LoadingManager}\n */\nconst DefaultLoadingManager = /*@__PURE__*/ new LoadingManager();\n\n/**\n * Abstract base class for loaders.\n *\n * @abstract\n */\nclass Loader {\n\n\t/**\n\t * Constructs a new loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\t/**\n\t\t * The loading manager.\n\t\t *\n\t\t * @type {LoadingManager}\n\t\t * @default DefaultLoadingManager\n\t\t */\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\t/**\n\t\t * The crossOrigin string to implement CORS for loading the url from a\n\t\t * different domain that allows CORS.\n\t\t *\n\t\t * @type {string}\n\t\t * @default 'anonymous'\n\t\t */\n\t\tthis.crossOrigin = 'anonymous';\n\n\t\t/**\n\t\t * Whether the XMLHttpRequest uses credentials.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.withCredentials = false;\n\n\t\t/**\n\t\t * The base path from which the asset will be loaded.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.path = '';\n\n\t\t/**\n\t\t * The base path from which additional resources like textures will be loaded.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.resourcePath = '';\n\n\t\t/**\n\t\t * The [request header](https://developer.mozilla.org/en-US/docs/Glossary/Request_header)\n\t\t * used in HTTP request.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.requestHeader = {};\n\n\t}\n\n\t/**\n\t * This method needs to be implemented by all concrete loaders. It holds the\n\t * logic for loading assets from the backend.\n\t *\n\t * @abstract\n\t * @param {string} url - The path/URL of the file to be loaded.\n\t * @param {Function} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} [onProgress] - Executed while the loading is in progress.\n\t * @param {onErrorCallback} [onError] - Executed when errors occur.\n\t */\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\t/**\n\t * A async version of {@link Loader#load}.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded.\n\t * @param {onProgressCallback} [onProgress] - Executed while the loading is in progress.\n\t * @return {Promise} A Promise that resolves when the asset has been loaded.\n\t */\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * This method needs to be implemented by all concrete loaders. It holds the\n\t * logic for parsing the asset into three.js entities.\n\t *\n\t * @abstract\n\t * @param {any} data - The data to parse.\n\t */\n\tparse( /* data */ ) {}\n\n\t/**\n\t * Sets the `crossOrigin` String to implement CORS for loading the URL\n\t * from a different domain that allows CORS.\n\t *\n\t * @param {string} crossOrigin - The `crossOrigin` value.\n\t * @return {Loader} A reference to this instance.\n\t */\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Whether the XMLHttpRequest uses credentials such as cookies, authorization\n\t * headers or TLS client certificates, see [XMLHttpRequest.withCredentials](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/withCredentials).\n\t *\n\t * Note: This setting has no effect if you are loading files locally or from the same domain.\n\t *\n\t * @param {boolean} value - The `withCredentials` value.\n\t * @return {Loader} A reference to this instance.\n\t */\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the base path for the asset.\n\t *\n\t * @param {string} path - The base path.\n\t * @return {Loader} A reference to this instance.\n\t */\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the base path for dependent resources like textures.\n\t *\n\t * @param {string} resourcePath - The resource path.\n\t * @return {Loader} A reference to this instance.\n\t */\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given request header.\n\t *\n\t * @param {Object} requestHeader - A [request header](https://developer.mozilla.org/en-US/docs/Glossary/Request_header)\n\t * for configuring the HTTP request.\n\t * @return {Loader} A reference to this instance.\n\t */\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * This method can be implemented in loaders for aborting ongoing requests.\n\t *\n\t * @abstract\n\t * @return {Loader} A reference to this instance.\n\t */\n\tabort() {\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Callback for onProgress in loaders.\n *\n * @callback onProgressCallback\n * @param {ProgressEvent} event - An instance of `ProgressEvent` that represents the current loading status.\n */\n\n/**\n * Callback for onError in loaders.\n *\n * @callback onErrorCallback\n * @param {Error} error - The error which occurred during the loading process.\n */\n\n/**\n * The default material name that is used by loaders\n * when creating materials for loaded 3D objects.\n *\n * Note: Not all loaders might honor this setting.\n *\n * @static\n * @type {string}\n * @default '__DEFAULT'\n */\nLoader.DEFAULT_MATERIAL_NAME = '__DEFAULT';\n\nconst loading = {};\n\nclass HttpError extends Error {\n\n\tconstructor( message, response ) {\n\n\t\tsuper( message );\n\t\tthis.response = response;\n\n\t}\n\n}\n\n/**\n * A low level class for loading resources with the Fetch API, used internally by\n * most loaders. It can also be used directly to load any file type that does\n * not have a loader.\n *\n * This loader supports caching. If you want to use it, add `THREE.Cache.enabled = true;`\n * once to your application.\n *\n * ```js\n * const loader = new THREE.FileLoader();\n * const data = await loader.loadAsync( 'example.txt' );\n * ```\n *\n * @augments Loader\n */\nclass FileLoader extends Loader {\n\n\t/**\n\t * Constructs a new file loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\t/**\n\t\t * The expected mime type. Valid values can be found\n\t\t * [here](hhttps://developer.mozilla.org/en-US/docs/Web/API/DOMParser/parseFromString#mimetype)\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.mimeType = '';\n\n\t\t/**\n\t\t * The expected response type.\n\t\t *\n\t\t * @type {('arraybuffer'|'blob'|'document'|'json'|'')}\n\t\t * @default ''\n\t\t */\n\t\tthis.responseType = '';\n\n\t\t/**\n\t\t * Used for aborting requests.\n\t\t *\n\t\t * @private\n\t\t * @type {AbortController}\n\t\t */\n\t\tthis._abortController = new AbortController();\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and pass the loaded response to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(any)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} [onProgress] - Executed while the loading is in progress.\n\t * @param {onErrorCallback} [onError] - Executed when errors occur.\n\t * @return {any|undefined} The cached resource if available.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( `file:${url}` );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\tsignal: ( typeof AbortSignal.any === 'function' ) ? AbortSignal.any( [ this._abortController.signal, this.manager.abortController.signal ] ) : this._abortController.signal\n\t\t} );\n\n\t\t// record states ( avoid data race )\n\t\tconst mimeType = this.mimeType;\n\t\tconst responseType = this.responseType;\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\twarn( 'FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Workaround: Checking if response.body === undefined for Alipay browser #23548\n\n\t\t\t\t\tif ( typeof ReadableStream === 'undefined' || response.body === undefined || response.body.getReader === undefined ) {\n\n\t\t\t\t\t\treturn response;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\n\t\t\t\t\t// Nginx needs X-File-Size check\n\t\t\t\t\t// https://serverfault.com/questions/482875/why-does-nginx-remove-content-length-header-for-chunked-content\n\t\t\t\t\tconst contentLength = response.headers.get( 'X-File-Size' ) || response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\tconst stream = new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}, ( e ) => {\n\n\t\t\t\t\t\t\t\t\tcontroller.error( e );\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn new Response( stream );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new HttpError( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}`, response );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( response => {\n\n\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( mimeType === '' ) {\n\n\t\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// sniff encoding\n\t\t\t\t\t\t\tconst re = /charset=\"?([^;\"\\s]*)\"?/i;\n\t\t\t\t\t\t\tconst exec = re.exec( mimeType );\n\t\t\t\t\t\t\tconst label = exec && exec[ 1 ] ? exec[ 1 ].toLowerCase() : undefined;\n\t\t\t\t\t\t\tconst decoder = new TextDecoder( label );\n\t\t\t\t\t\t\treturn response.arrayBuffer().then( ab => decoder.decode( ab ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( `file:${url}`, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tif ( callbacks === undefined ) {\n\n\t\t\t\t\t// When onLoad was called and url was deleted in `loading`\n\t\t\t\t\tthis.manager.itemError( url );\n\t\t\t\t\tthrow err;\n\n\t\t\t\t}\n\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\n\t\t\t} )\n\t\t\t.finally( () => {\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\t/**\n\t * Sets the expected response type.\n\t *\n\t * @param {('arraybuffer'|'blob'|'document'|'json'|'')} value - The response type.\n\t * @return {FileLoader} A reference to this file loader.\n\t */\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the expected mime type of the loaded file.\n\t *\n\t * @param {string} value - The mime type.\n\t * @return {FileLoader} A reference to this file loader.\n\t */\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Aborts ongoing fetch requests.\n\t *\n\t * @return {FileLoader} A reference to this instance.\n\t */\n\tabort() {\n\n\t\tthis._abortController.abort();\n\t\tthis._abortController = new AbortController();\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Class for loading animation clips in the JSON format. The files are internally\n * loaded via {@link FileLoader}.\n *\n * ```js\n * const loader = new THREE.AnimationLoader();\n * const animations = await loader.loadAsync( 'animations/animation.js' );\n * ```\n *\n * @augments Loader\n */\nclass AnimationLoader extends Loader {\n\n\t/**\n\t * Constructs a new animation loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and pass the loaded animations as an array\n\t * holding instances of {@link AnimationClip} to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(Array)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\terror( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\t/**\n\t * Parses the given JSON object and returns an array of animation clips.\n\t *\n\t * @param {Object} json - The serialized animation clips.\n\t * @return {Array} The parsed animation clips.\n\t */\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract base class for loading compressed texture formats S3TC, ASTC or ETC.\n * Textures are internally loaded via {@link FileLoader}.\n *\n * Derived classes have to implement the `parse()` method which holds the parsing\n * for the respective format.\n *\n * @abstract\n * @augments Loader\n */\nclass CompressedTextureLoader extends Loader {\n\n\t/**\n\t * Constructs a new compressed texture loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded compressed texture\n\t * to the `onLoad()` callback. The method also returns a new texture object which can\n\t * directly be used for material creation. If you do it this way, the texture\n\t * may pop up in your scene once the respective loading process is finished.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(CompressedTexture)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t * @return {CompressedTexture} The compressed texture.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nconst _loading = new WeakMap();\n\n/**\n * A loader for loading images. The class loads images with the HTML `Image` API.\n *\n * ```js\n * const loader = new THREE.ImageLoader();\n * const image = await loader.loadAsync( 'image.png' );\n * ```\n * Please note that `ImageLoader` has dropped support for progress\n * events in `r84`. For an `ImageLoader` that supports progress events, see\n * [this thread](https://github.com/mrdoob/three.js/issues/10439#issuecomment-275785639).\n *\n * @augments Loader\n */\nclass ImageLoader extends Loader {\n\n\t/**\n\t * Constructs a new image loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded image\n\t * to the `onLoad()` callback. The method also returns a new `Image` object which can\n\t * directly be used for texture creation. If you do it this way, the texture\n\t * may pop up in your scene once the respective loading process is finished.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(Image)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Unsupported in this loader.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t * @return {Image} The image.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( `image:${url}` );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tif ( cached.complete === true ) {\n\n\t\t\t\tscope.manager.itemStart( url );\n\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tlet arr = _loading.get( cached );\n\n\t\t\t\tif ( arr === undefined ) {\n\n\t\t\t\t\tarr = [];\n\t\t\t\t\t_loading.set( cached, arr );\n\n\t\t\t\t}\n\n\t\t\t\tarr.push( { onLoad, onError } );\n\n\t\t\t}\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\t//\n\n\t\t\tconst callbacks = _loading.get( this ) || [];\n\n\t\t\tfor ( let i = 0; i < callbacks.length; i ++ ) {\n\n\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\tif ( callback.onLoad ) callback.onLoad( this );\n\n\t\t\t}\n\n\t\t\t_loading.delete( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tCache.remove( `image:${url}` );\n\n\t\t\t//\n\n\t\t\tconst callbacks = _loading.get( this ) || [];\n\n\t\t\tfor ( let i = 0; i < callbacks.length; i ++ ) {\n\n\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\tif ( callback.onError ) callback.onError( event );\n\n\t\t\t}\n\n\t\t\t_loading.delete( this );\n\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.slice( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tCache.add( `image:${url}`, image );\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\n/**\n * Class for loading cube textures. Images are internally loaded via {@link ImageLoader}.\n *\n * The loader returns an instance of {@link CubeTexture} and expects the cube map to\n * be defined as six separate images representing the sides of a cube. Other cube map definitions\n * like vertical and horizontal cross, column and row layouts are not supported.\n *\n * Note that, by convention, cube maps are specified in a coordinate system\n * in which positive-x is to the right when looking up the positive-z axis --\n * in other words, using a left-handed coordinate system. Since three.js uses\n * a right-handed coordinate system, environment maps used in three.js will\n * have pos-x and neg-x swapped.\n *\n * The loaded cube texture is in sRGB color space. Meaning {@link Texture#colorSpace}\n * is set to `SRGBColorSpace` by default.\n *\n * ```js\n * const loader = new THREE.CubeTextureLoader().setPath( 'textures/cubeMaps/' );\n * const cubeTexture = await loader.loadAsync( [\n * \t'px.png', 'nx.png', 'py.png', 'ny.png', 'pz.png', 'nz.png'\n * ] );\n * scene.background = cubeTexture;\n * ```\n *\n * @augments Loader\n */\nclass CubeTextureLoader extends Loader {\n\n\t/**\n\t * Constructs a new cube texture loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and pass the fully loaded cube texture\n\t * to the `onLoad()` callback. The method also returns a new cube texture object which can\n\t * directly be used for material creation. If you do it this way, the cube texture\n\t * may pop up in your scene once the respective loading process is finished.\n\t *\n\t * @param {Array} urls - Array of 6 URLs to images, one for each side of the\n\t * cube texture. The urls should be specified in the following order: pos-x,\n\t * neg-x, pos-y, neg-y, pos-z, neg-z. An array of data URIs are allowed as well.\n\t * @param {function(CubeTexture)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Unsupported in this loader.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t * @return {CubeTexture} The cube texture.\n\t */\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\t\ttexture.colorSpace = SRGBColorSpace;\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract base class for loading binary texture formats RGBE, EXR or TGA.\n * Textures are internally loaded via {@link FileLoader}.\n *\n * Derived classes have to implement the `parse()` method which holds the parsing\n * for the respective format.\n *\n * @abstract\n * @augments Loader\n */\nclass DataTextureLoader extends Loader {\n\n\t/**\n\t * Constructs a new data texture loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded data texture\n\t * to the `onLoad()` callback. The method also returns a new texture object which can\n\t * directly be used for material creation. If you do it this way, the texture\n\t * may pop up in your scene once the respective loading process is finished.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(DataTexture)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t * @return {DataTexture} The data texture.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tlet texData;\n\n\t\t\ttry {\n\n\t\t\t\ttexData = scope.parse( buffer );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) {\n\n\t\t\t\t\tonError( error );\n\n\t\t\t\t} else {\n\n\t\t\t\t\terror( error );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.colorSpace !== undefined ) {\n\n\t\t\t\ttexture.colorSpace = texData.colorSpace;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Class for loading textures. Images are internally\n * loaded via {@link ImageLoader}.\n *\n * ```js\n * const loader = new THREE.TextureLoader();\n * const texture = await loader.loadAsync( 'textures/land_ocean_ice_cloud_2048.jpg' );\n *\n * const material = new THREE.MeshBasicMaterial( { map:texture } );\n * ```\n * Please note that `TextureLoader` has dropped support for progress\n * events in `r84`. For a `TextureLoader` that supports progress events, see\n * [this thread](https://github.com/mrdoob/three.js/issues/10439#issuecomment-293260145).\n *\n * @augments Loader\n */\nclass TextureLoader extends Loader {\n\n\t/**\n\t * Constructs a new texture loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and pass the fully loaded texture\n\t * to the `onLoad()` callback. The method also returns a new texture object which can\n\t * directly be used for material creation. If you do it this way, the texture\n\t * may pop up in your scene once the respective loading process is finished.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(Texture)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Unsupported in this loader.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t * @return {Texture} The texture.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract base class for lights - all other light types inherit the\n * properties and methods described here.\n *\n * @abstract\n * @augments Object3D\n */\nclass Light extends Object3D {\n\n\t/**\n\t * Constructs a new light.\n\t *\n\t * @param {(number|Color|string)} [color=0xffffff] - The light's color.\n\t * @param {number} [intensity=1] - The light's strength/intensity.\n\t */\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLight = true;\n\n\t\tthis.type = 'Light';\n\n\t\t/**\n\t\t * The light's color.\n\t\t *\n\t\t * @type {Color}\n\t\t */\n\t\tthis.color = new Color( color );\n\n\t\t/**\n\t\t * The light's intensity.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.intensity = intensity;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\t\tif ( this.target !== undefined ) data.object.target = this.target.uuid;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * A light source positioned directly above the scene, with color fading from\n * the sky color to the ground color.\n *\n * This light cannot be used to cast shadows.\n *\n * ```js\n * const light = new THREE.HemisphereLight( 0xffffbb, 0x080820, 1 );\n * scene.add( light );\n * ```\n *\n * @augments Light\n */\nclass HemisphereLight extends Light {\n\n\t/**\n\t * Constructs a new hemisphere light.\n\t *\n\t * @param {(number|Color|string)} [skyColor=0xffffff] - The light's sky color.\n\t * @param {(number|Color|string)} [groundColor=0xffffff] - The light's ground color.\n\t * @param {number} [intensity=1] - The light's strength/intensity.\n\t */\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isHemisphereLight = true;\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\t/**\n\t\t * The light's ground color.\n\t\t *\n\t\t * @type {Color}\n\t\t */\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\n/**\n * Abstract base class for light shadow classes. These classes\n * represent the shadow configuration for different light types.\n *\n * @abstract\n */\nclass LightShadow {\n\n\t/**\n\t * Constructs a new light shadow.\n\t *\n\t * @param {Camera} camera - The light's view of the world.\n\t */\n\tconstructor( camera ) {\n\n\t\t/**\n\t\t * The light's view of the world.\n\t\t *\n\t\t * @type {Camera}\n\t\t */\n\t\tthis.camera = camera;\n\n\t\t/**\n\t\t * The intensity of the shadow. The default is `1`.\n\t\t * Valid values are in the range `[0, 1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.intensity = 1;\n\n\t\t/**\n\t\t * Shadow map bias, how much to add or subtract from the normalized depth\n\t\t * when deciding whether a surface is in shadow.\n\t\t *\n\t\t * The default is `0`. Very tiny adjustments here (in the order of `0.0001`)\n\t\t * may help reduce artifacts in shadows.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.bias = 0;\n\n\t\t/**\n\t\t * Defines how much the position used to query the shadow map is offset along\n\t\t * the object normal. The default is `0`. Increasing this value can be used to\n\t\t * reduce shadow acne especially in large scenes where light shines onto\n\t\t * geometry at a shallow angle. The cost is that shadows may appear distorted.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.normalBias = 0;\n\n\t\t/**\n\t\t * Setting this to values greater than 1 will blur the edges of the shadow.\n\t\t * High values will cause unwanted banding effects in the shadows - a greater\n\t\t * map size will allow for a higher value to be used here before these effects\n\t\t * become visible.\n\t\t *\n\t\t * The property has no effect when the shadow map type is `PCFSoftShadowMap` and\n\t\t * and it is recommended to increase softness by decreasing the shadow map size instead.\n\t\t *\n\t\t * The property has no effect when the shadow map type is `BasicShadowMap`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.radius = 1;\n\n\t\t/**\n\t\t * The amount of samples to use when blurring a VSM shadow map.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 8\n\t\t */\n\t\tthis.blurSamples = 8;\n\n\t\t/**\n\t\t * Defines the width and height of the shadow map. Higher values give better quality\n\t\t * shadows at the cost of computation time. Values must be powers of two.\n\t\t *\n\t\t * @type {Vector2}\n\t\t * @default (512,512)\n\t\t */\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\t/**\n\t\t * The type of shadow texture. The default is `UnsignedByteType`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default UnsignedByteType\n\t\t */\n\t\tthis.mapType = UnsignedByteType;\n\n\t\t/**\n\t\t * The depth map generated using the internal camera; a location beyond a\n\t\t * pixel's depth is in shadow. Computed internally during rendering.\n\t\t *\n\t\t * @type {?RenderTarget}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * The distribution map generated using the internal camera; an occlusion is\n\t\t * calculated based on the distribution of depths. Computed internally during\n\t\t * rendering.\n\t\t *\n\t\t * @type {?RenderTarget}\n\t\t * @default null\n\t\t */\n\t\tthis.mapPass = null;\n\n\t\t/**\n\t\t * Model to shadow camera space, to compute location and depth in shadow map.\n\t\t * This is computed internally during rendering.\n\t\t *\n\t\t * @type {Matrix4}\n\t\t */\n\t\tthis.matrix = new Matrix4();\n\n\t\t/**\n\t\t * Enables automatic updates of the light's shadow. If you do not require dynamic\n\t\t * lighting / shadows, you may set this to `false`.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.autoUpdate = true;\n\n\t\t/**\n\t\t * When set to `true`, shadow maps will be updated in the next `render` call.\n\t\t * If you have set {@link LightShadow#autoUpdate} to `false`, you will need to\n\t\t * set this property to `true` and then make a render call to update the light's shadow.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\t/**\n\t * Used internally by the renderer to get the number of viewports that need\n\t * to be rendered for this shadow.\n\t *\n\t * @return {number} The viewport count.\n\t */\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\t/**\n\t * Gets the shadow cameras frustum. Used internally by the renderer to cull objects.\n\t *\n\t * @return {Frustum} The shadow camera frustum.\n\t */\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\t/**\n\t * Update the matrices for the camera and shadow, used internally by the renderer.\n\t *\n\t * @param {Light} light - The light for which the shadow is being rendered.\n\t */\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1, shadowCamera.coordinateSystem, shadowCamera.reversedDepth );\n\n\t\tif ( shadowCamera.reversedDepth ) {\n\n\t\t\tshadowMatrix.set(\n\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t0.0, 0.0, 1.0, 0.0,\n\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tshadowMatrix.set(\n\t\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t\t);\n\n\t\t}\n\n\t\tshadowMatrix.multiply( _projScreenMatrix$1 );\n\n\t}\n\n\t/**\n\t * Returns a viewport definition for the given viewport index.\n\t *\n\t * @param {number} viewportIndex - The viewport index.\n\t * @return {Vector4} The viewport.\n\t */\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\t/**\n\t * Returns the frame extends.\n\t *\n\t * @return {Vector2} The frame extends.\n\t */\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Copies the values of the given light shadow instance to this instance.\n\t *\n\t * @param {LightShadow} source - The light shadow to copy.\n\t * @return {LightShadow} A reference to this light shadow instance.\n\t */\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.intensity = source.intensity;\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.needsUpdate = source.needsUpdate;\n\t\tthis.normalBias = source.normalBias;\n\t\tthis.blurSamples = source.blurSamples;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new light shadow instance with copied values from this instance.\n\t *\n\t * @return {LightShadow} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Serializes the light shadow into JSON.\n\t *\n\t * @return {Object} A JSON object representing the serialized light shadow.\n\t * @see {@link ObjectLoader#parse}\n\t */\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.intensity !== 1 ) object.intensity = this.intensity;\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\n/**\n * Represents the shadow configuration of directional lights.\n *\n * @augments LightShadow\n */\nclass SpotLightShadow extends LightShadow {\n\n\t/**\n\t * Constructs a new spot light shadow.\n\t */\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSpotLightShadow = true;\n\n\t\t/**\n\t\t * Used to focus the shadow camera. The camera's field of view is set as a\n\t\t * percentage of the spotlight's field-of-view. Range is `[0, 1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.focus = 1;\n\n\t\t/**\n\t\t * Texture aspect ratio.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.aspect = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = ( this.mapSize.width / this.mapSize.height ) * this.aspect;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * This light gets emitted from a single point in one direction, along a cone\n * that increases in size the further from the light it gets.\n *\n * This light can cast shadows - see the {@link SpotLightShadow} for details.\n *\n * ```js\n * // white spotlight shining from the side, modulated by a texture\n * const spotLight = new THREE.SpotLight( 0xffffff );\n * spotLight.position.set( 100, 1000, 100 );\n * spotLight.map = new THREE.TextureLoader().load( url );\n *\n * spotLight.castShadow = true;\n * spotLight.shadow.mapSize.width = 1024;\n * spotLight.shadow.mapSize.height = 1024;\n * spotLight.shadow.camera.near = 500;\n * spotLight.shadow.camera.far = 4000;\n * spotLight.shadow.camera.fov = 30;s\n * ```\n *\n * @augments Light\n */\nclass SpotLight extends Light {\n\n\t/**\n\t * Constructs a new spot light.\n\t *\n\t * @param {(number|Color|string)} [color=0xffffff] - The light's color.\n\t * @param {number} [intensity=1] - The light's strength/intensity measured in candela (cd).\n\t * @param {number} [distance=0] - Maximum range of the light. `0` means no limit.\n\t * @param {number} [angle=Math.PI/3] - Maximum angle of light dispersion from its direction whose upper bound is `Math.PI/2`.\n\t * @param {number} [penumbra=0] - Percent of the spotlight cone that is attenuated due to penumbra. Value range is `[0,1]`.\n\t * @param {number} [decay=2] - The amount the light dims along the distance of the light.\n\t */\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 2 ) {\n\n\t\tsuper( color, intensity );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSpotLight = true;\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\t/**\n\t\t * The spot light points from its position to the\n\t\t * target's position.\n\t\t *\n\t\t * For the target's position to be changed to anything other\n\t\t * than the default, it must be added to the scene.\n\t\t *\n\t\t * It is also possible to set the target to be another 3D object\n\t\t * in the scene. The light will now track the target object.\n\t\t *\n\t\t * @type {Object3D}\n\t\t */\n\t\tthis.target = new Object3D();\n\n\t\t/**\n\t\t * Maximum range of the light. `0` means no limit.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.distance = distance;\n\n\t\t/**\n\t\t * Maximum angle of light dispersion from its direction whose upper bound is `Math.PI/2`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default Math.PI/3\n\t\t */\n\t\tthis.angle = angle;\n\n\t\t/**\n\t\t * Percent of the spotlight cone that is attenuated due to penumbra.\n\t\t * Value range is `[0,1]`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.penumbra = penumbra;\n\n\t\t/**\n\t\t * The amount the light dims along the distance of the light. In context of\n\t\t * physically-correct rendering the default value should not be changed.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 2\n\t\t */\n\t\tthis.decay = decay;\n\n\t\t/**\n\t\t * A texture used to modulate the color of the light. The spot light\n\t\t * color is mixed with the RGB value of this texture, with a ratio\n\t\t * corresponding to its alpha value. The cookie-like masking effect is\n\t\t * reproduced using pixel values (0, 0, 0, 1-cookie_value).\n\t\t *\n\t\t * *Warning*: This property is disabled if {@link Object3D#castShadow} is set to `false`.\n\t\t *\n\t\t * @type {?Texture}\n\t\t * @default null\n\t\t */\n\t\tthis.map = null;\n\n\t\t/**\n\t\t * This property holds the light's shadow configuration.\n\t\t *\n\t\t * @type {SpotLightShadow}\n\t\t */\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\t/**\n\t * The light's power. Power is the luminous power of the light measured in lumens (lm).\n\t * Changing the power will also change the light's intensity.\n\t *\n\t * @type {number}\n\t */\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = π * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\n/**\n * Represents the shadow configuration of point lights.\n *\n * @augments LightShadow\n */\nclass PointLightShadow extends LightShadow {\n\n\t/**\n\t * Constructs a new point light shadow.\n\t */\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isPointLightShadow = true;\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t// xzXZ\n\t\t\t// y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( -1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, -1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, -1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, -1 )\n\t\t];\n\n\t}\n\n\t/**\n\t * Update the matrices for the camera and shadow, used internally by the renderer.\n\t *\n\t * @param {Light} light - The light for which the shadow is being rendered.\n\t * @param {number} [viewportIndex=0] - The viewport index.\n\t */\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix, camera.coordinateSystem, camera.reversedDepth );\n\n\t}\n\n}\n\n/**\n * A light that gets emitted from a single point in all directions. A common\n * use case for this is to replicate the light emitted from a bare\n * lightbulb.\n *\n * This light can cast shadows - see the {@link PointLightShadow} for details.\n *\n * ```js\n * const light = new THREE.PointLight( 0xff0000, 1, 100 );\n * light.position.set( 50, 50, 50 );\n * scene.add( light );\n * ```\n *\n * @augments Light\n */\nclass PointLight extends Light {\n\n\t/**\n\t * Constructs a new point light.\n\t *\n\t * @param {(number|Color|string)} [color=0xffffff] - The light's color.\n\t * @param {number} [intensity=1] - The light's strength/intensity measured in candela (cd).\n\t * @param {number} [distance=0] - Maximum range of the light. `0` means no limit.\n\t * @param {number} [decay=2] - The amount the light dims along the distance of the light.\n\t */\n\tconstructor( color, intensity, distance = 0, decay = 2 ) {\n\n\t\tsuper( color, intensity );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isPointLight = true;\n\n\t\tthis.type = 'PointLight';\n\n\t\t/**\n\t\t * When distance is zero, light will attenuate according to inverse-square\n\t\t * law to infinite distance. When distance is non-zero, light will attenuate\n\t\t * according to inverse-square law until near the distance cutoff, where it\n\t\t * will then attenuate quickly and smoothly to 0. Inherently, cutoffs are not\n\t\t * physically correct.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.distance = distance;\n\n\t\t/**\n\t\t * The amount the light dims along the distance of the light. In context of\n\t\t * physically-correct rendering the default value should not be changed.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 2\n\t\t */\n\t\tthis.decay = decay;\n\n\t\t/**\n\t\t * This property holds the light's shadow configuration.\n\t\t *\n\t\t * @type {PointLightShadow}\n\t\t */\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\t/**\n\t * The light's power. Power is the luminous power of the light measured in lumens (lm).\n\t * Changing the power will also change the light's intensity.\n\t *\n\t * @type {number}\n\t */\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 π luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Camera that uses [orthographic projection](https://en.wikipedia.org/wiki/Orthographic_projection).\n *\n * In this projection mode, an object's size in the rendered image stays\n * constant regardless of its distance from the camera. This can be useful\n * for rendering 2D scenes and UI elements, amongst other things.\n *\n * ```js\n * const camera = new THREE.OrthographicCamera( width / - 2, width / 2, height / 2, height / - 2, 1, 1000 );\n * scene.add( camera );\n * ```\n *\n * @augments Camera\n */\nclass OrthographicCamera extends Camera {\n\n\t/**\n\t * Constructs a new orthographic camera.\n\t *\n\t * @param {number} [left=-1] - The left plane of the camera's frustum.\n\t * @param {number} [right=1] - The right plane of the camera's frustum.\n\t * @param {number} [top=1] - The top plane of the camera's frustum.\n\t * @param {number} [bottom=-1] - The bottom plane of the camera's frustum.\n\t * @param {number} [near=0.1] - The camera's near plane.\n\t * @param {number} [far=2000] - The camera's far plane.\n\t */\n\tconstructor( left = -1, right = 1, top = 1, bottom = -1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isOrthographicCamera = true;\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\t/**\n\t\t * The zoom factor of the camera.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.zoom = 1;\n\n\t\t/**\n\t\t * Represents the frustum window specification. This property should not be edited\n\t\t * directly but via {@link PerspectiveCamera#setViewOffset} and {@link PerspectiveCamera#clearViewOffset}.\n\t\t *\n\t\t * @type {?Object}\n\t\t * @default null\n\t\t */\n\t\tthis.view = null;\n\n\t\t/**\n\t\t * The left plane of the camera's frustum.\n\t\t *\n\t\t * @type {number}\n\t\t * @default -1\n\t\t */\n\t\tthis.left = left;\n\n\t\t/**\n\t\t * The right plane of the camera's frustum.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.right = right;\n\n\t\t/**\n\t\t * The top plane of the camera's frustum.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.top = top;\n\n\t\t/**\n\t\t * The bottom plane of the camera's frustum.\n\t\t *\n\t\t * @type {number}\n\t\t * @default -1\n\t\t */\n\t\tthis.bottom = bottom;\n\n\t\t/**\n\t\t * The camera's near plane. The valid range is greater than `0`\n\t\t * and less than the current value of {@link OrthographicCamera#far}.\n\t\t *\n\t\t * Note that, unlike for the {@link PerspectiveCamera}, `0` is a\n\t\t * valid value for an orthographic camera's near plane.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.1\n\t\t */\n\t\tthis.near = near;\n\n\t\t/**\n\t\t * The camera's far plane. Must be greater than the\n\t\t * current value of {@link OrthographicCamera#near}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 2000\n\t\t */\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * @param {number} fullWidth - The full width of multiview setup.\n\t * @param {number} fullHeight - The full height of multiview setup.\n\t * @param {number} x - The horizontal offset of the subcamera.\n\t * @param {number} y - The vertical offset of the subcamera.\n\t * @param {number} width - The width of subcamera.\n\t * @param {number} height - The height of subcamera.\n\t * @see {@link PerspectiveCamera#setViewOffset}\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Removes the view offset from the projection matrix.\n\t */\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Updates the camera's projection matrix. Must be called after any change of\n\t * camera properties.\n\t */\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far, this.coordinateSystem, this.reversedDepth );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Represents the shadow configuration of directional lights.\n *\n * @augments LightShadow\n */\nclass DirectionalLightShadow extends LightShadow {\n\n\t/**\n\t * Constructs a new directional light shadow.\n\t */\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( -5, 5, 5, -5, 0.5, 500 ) );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isDirectionalLightShadow = true;\n\n\t}\n\n}\n\n/**\n * A light that gets emitted in a specific direction. This light will behave\n * as though it is infinitely far away and the rays produced from it are all\n * parallel. The common use case for this is to simulate daylight; the sun is\n * far enough away that its position can be considered to be infinite, and\n * all light rays coming from it are parallel.\n *\n * A common point of confusion for directional lights is that setting the\n * rotation has no effect. This is because three.js's DirectionalLight is the\n * equivalent to what is often called a 'Target Direct Light' in other\n * applications.\n *\n * This means that its direction is calculated as pointing from the light's\n * {@link Object3D#position} to the {@link DirectionalLight#target} position\n * (as opposed to a 'Free Direct Light' that just has a rotation\n * component).\n *\n * This light can cast shadows - see the {@link DirectionalLightShadow} for details.\n *\n * ```js\n * // White directional light at half intensity shining from the top.\n * const directionalLight = new THREE.DirectionalLight( 0xffffff, 0.5 );\n * scene.add( directionalLight );\n * ```\n *\n * @augments Light\n */\nclass DirectionalLight extends Light {\n\n\t/**\n\t * Constructs a new directional light.\n\t *\n\t * @param {(number|Color|string)} [color=0xffffff] - The light's color.\n\t * @param {number} [intensity=1] - The light's strength/intensity.\n\t */\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isDirectionalLight = true;\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\t/**\n\t\t * The directional light points from its position to the\n\t\t * target's position.\n\t\t *\n\t\t * For the target's position to be changed to anything other\n\t\t * than the default, it must be added to the scene.\n\t\t *\n\t\t * It is also possible to set the target to be another 3D object\n\t\t * in the scene. The light will now track the target object.\n\t\t *\n\t\t * @type {Object3D}\n\t\t */\n\t\tthis.target = new Object3D();\n\n\t\t/**\n\t\t * This property holds the light's shadow configuration.\n\t\t *\n\t\t * @type {DirectionalLightShadow}\n\t\t */\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * This light globally illuminates all objects in the scene equally.\n *\n * It cannot be used to cast shadows as it does not have a direction.\n *\n * ```js\n * const light = new THREE.AmbientLight( 0x404040 ); // soft white light\n * scene.add( light );\n * ```\n *\n * @augments Light\n */\nclass AmbientLight extends Light {\n\n\t/**\n\t * Constructs a new ambient light.\n\t *\n\t * @param {(number|Color|string)} [color=0xffffff] - The light's color.\n\t * @param {number} [intensity=1] - The light's strength/intensity.\n\t */\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isAmbientLight = true;\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\n/**\n * This class emits light uniformly across the face a rectangular plane.\n * This light type can be used to simulate light sources such as bright\n * windows or strip lighting.\n *\n * Important Notes:\n *\n * - There is no shadow support.\n * - Only PBR materials are supported.\n * - You have to include `RectAreaLightUniformsLib` (`WebGLRenderer`) or `RectAreaLightTexturesLib` (`WebGPURenderer`)\n * into your app and init the uniforms/textures.\n *\n * ```js\n * RectAreaLightUniformsLib.init(); // only relevant for WebGLRenderer\n * THREE.RectAreaLightNode.setLTC( RectAreaLightTexturesLib.init() ); // only relevant for WebGPURenderer\n *\n * const intensity = 1; const width = 10; const height = 10;\n * const rectLight = new THREE.RectAreaLight( 0xffffff, intensity, width, height );\n * rectLight.position.set( 5, 5, 0 );\n * rectLight.lookAt( 0, 0, 0 );\n * scene.add( rectLight )\n * ```\n *\n * @augments Light\n */\nclass RectAreaLight extends Light {\n\n\t/**\n\t * Constructs a new area light.\n\t *\n\t * @param {(number|Color|string)} [color=0xffffff] - The light's color.\n\t * @param {number} [intensity=1] - The light's strength/intensity.\n\t * @param {number} [width=10] - The width of the light.\n\t * @param {number} [height=10] - The height of the light.\n\t */\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isRectAreaLight = true;\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\t/**\n\t\t * The width of the light.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 10\n\t\t */\n\t\tthis.width = width;\n\n\t\t/**\n\t\t * The height of the light.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 10\n\t\t */\n\t\tthis.height = height;\n\n\t}\n\n\t/**\n\t * The light's power. Power is the luminous power of the light measured in lumens (lm).\n\t * Changing the power will also change the light's intensity.\n\t *\n\t * @type {number}\n\t */\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Represents a third-order spherical harmonics (SH). Light probes use this class\n * to encode lighting information.\n *\n * - Primary reference: {@link https://graphics.stanford.edu/papers/envmap/envmap.pdf}\n * - Secondary reference: {@link https://www.ppsloan.org/publications/StupidSH36.pdf}\n */\nclass SphericalHarmonics3 {\n\n\t/**\n\t * Constructs a new spherical harmonics.\n\t */\n\tconstructor() {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSphericalHarmonics3 = true;\n\n\t\t/**\n\t\t * An array holding the (9) SH coefficients.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Sets the given SH coefficients to this instance by copying\n\t * the values.\n\t *\n\t * @param {Array} coefficients - The SH coefficients.\n\t * @return {SphericalHarmonics3} A reference to this spherical harmonics.\n\t */\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets all SH coefficients to `0`.\n\t *\n\t * @return {SphericalHarmonics3} A reference to this spherical harmonics.\n\t */\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the radiance in the direction of the given normal.\n\t *\n\t * @param {Vector3} normal - The normal vector (assumed to be unit length)\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The radiance.\n\t */\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Returns the irradiance (radiance convolved with cosine lobe) in the\n\t * direction of the given normal.\n\t *\n\t * @param {Vector3} normal - The normal vector (assumed to be unit length)\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The irradiance.\n\t */\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // π * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * π / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( π / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( π / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( π / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\t/**\n\t * Adds the given SH to this instance.\n\t *\n\t * @param {SphericalHarmonics3} sh - The SH to add.\n\t * @return {SphericalHarmonics3} A reference to this spherical harmonics.\n\t */\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * A convenience method for performing {@link SphericalHarmonics3#add} and\n\t * {@link SphericalHarmonics3#scale} at once.\n\t *\n\t * @param {SphericalHarmonics3} sh - The SH to add.\n\t * @param {number} s - The scale factor.\n\t * @return {SphericalHarmonics3} A reference to this spherical harmonics.\n\t */\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Scales this SH by the given scale factor.\n\t *\n\t * @param {number} s - The scale factor.\n\t * @return {SphericalHarmonics3} A reference to this spherical harmonics.\n\t */\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Linear interpolates between the given SH and this instance by the given\n\t * alpha factor.\n\t *\n\t * @param {SphericalHarmonics3} sh - The SH to interpolate with.\n\t * @param {number} alpha - The alpha factor.\n\t * @return {SphericalHarmonics3} A reference to this spherical harmonics.\n\t */\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this spherical harmonics is equal with the given one.\n\t *\n\t * @param {SphericalHarmonics3} sh - The spherical harmonics to test for equality.\n\t * @return {boolean} Whether this spherical harmonics is equal with the given one.\n\t */\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\t/**\n\t * Copies the values of the given spherical harmonics to this instance.\n\t *\n\t * @param {SphericalHarmonics3} sh - The spherical harmonics to copy.\n\t * @return {SphericalHarmonics3} A reference to this spherical harmonics.\n\t */\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\t/**\n\t * Returns a new spherical harmonics with copied values from this instance.\n\t *\n\t * @return {SphericalHarmonics3} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Sets the SH coefficients of this instance from the given array.\n\t *\n\t * @param {Array} array - An array holding the SH coefficients.\n\t * @param {number} [offset=0] - The array offset where to start copying.\n\t * @return {SphericalHarmonics3} A clone of this instance.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns an array with the SH coefficients, or copies them into the provided\n\t * array. The coefficients are represented as numbers.\n\t *\n\t * @param {Array} [array=[]] - The target array.\n\t * @param {number} [offset=0] - The array offset where to start copying.\n\t * @return {Array} An array with flat SH coefficients.\n\t */\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t/**\n\t * Computes the SH basis for the given normal vector.\n\t *\n\t * @param {Vector3} normal - The normal.\n\t * @param {Array} shBasis - The target array holding the SH basis.\n\t */\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\n/**\n * Light probes are an alternative way of adding light to a 3D scene. Unlike\n * classical light sources (e.g. directional, point or spot lights), light\n * probes do not emit light. Instead they store information about light\n * passing through 3D space. During rendering, the light that hits a 3D\n * object is approximated by using the data from the light probe.\n *\n * Light probes are usually created from (radiance) environment maps. The\n * class {@link LightProbeGenerator} can be used to create light probes from\n * cube textures or render targets. However, light estimation data could also\n * be provided in other forms e.g. by WebXR. This enables the rendering of\n * augmented reality content that reacts to real world lighting.\n *\n * The current probe implementation in three.js supports so-called diffuse\n * light probes. This type of light probe is functionally equivalent to an\n * irradiance environment map.\n *\n * @augments Light\n */\nclass LightProbe extends Light {\n\n\t/**\n\t * Constructs a new light probe.\n\t *\n\t * @param {SphericalHarmonics3} sh - The spherical harmonics which represents encoded lighting information.\n\t * @param {number} [intensity=1] - The light's strength/intensity.\n\t */\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isLightProbe = true;\n\n\t\t/**\n\t\t * A light probe uses spherical harmonics to encode lighting information.\n\t\t *\n\t\t * @type {SphericalHarmonics3}\n\t\t */\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Deserializes the light prove from the given JSON.\n\t *\n\t * @param {Object} json - The JSON holding the serialized light probe.\n\t * @return {LightProbe} A reference to this light probe.\n\t */\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Class for loading geometries. The files are internally\n * loaded via {@link FileLoader}.\n *\n * ```js\n * const loader = new THREE.MaterialLoader();\n * const material = await loader.loadAsync( 'material.json' );\n * ```\n * This loader does not support node materials. Use {@link NodeMaterialLoader} instead.\n *\n * @augments Loader\n */\nclass MaterialLoader extends Loader {\n\n\t/**\n\t * Constructs a new material loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\t/**\n\t\t * A dictionary holding textures used by the material.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.textures = {};\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and pass the loaded material to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(Material)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\terror( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\t/**\n\t * Parses the given JSON object and returns a material.\n\t *\n\t * @param {Object} json - The serialized material.\n\t * @return {Material} The parsed material.\n\t */\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\twarn( 'MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = this.createMaterialFromType( json.type );\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.dispersion !== undefined ) material.dispersion = json.dispersion;\n\t\tif ( json.iridescence !== undefined ) material.iridescence = json.iridescence;\n\t\tif ( json.iridescenceIOR !== undefined ) material.iridescenceIOR = json.iridescenceIOR;\n\t\tif ( json.iridescenceThicknessRange !== undefined ) material.iridescenceThicknessRange = json.iridescenceThicknessRange;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.anisotropy !== undefined ) material.anisotropy = json.anisotropy;\n\t\tif ( json.anisotropyRotation !== undefined ) material.anisotropyRotation = json.anisotropyRotation;\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.alphaHash !== undefined ) material.alphaHash = json.alphaHash;\n\t\tif ( json.depthFunc !== undefined ) material.depthFunc = json.depthFunc;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\tif ( json.blendSrc !== undefined ) material.blendSrc = json.blendSrc;\n\t\tif ( json.blendDst !== undefined ) material.blendDst = json.blendDst;\n\t\tif ( json.blendEquation !== undefined ) material.blendEquation = json.blendEquation;\n\t\tif ( json.blendSrcAlpha !== undefined ) material.blendSrcAlpha = json.blendSrcAlpha;\n\t\tif ( json.blendDstAlpha !== undefined ) material.blendDstAlpha = json.blendDstAlpha;\n\t\tif ( json.blendEquationAlpha !== undefined ) material.blendEquationAlpha = json.blendEquationAlpha;\n\t\tif ( json.blendColor !== undefined && material.blendColor !== undefined ) material.blendColor.setHex( json.blendColor );\n\t\tif ( json.blendAlpha !== undefined ) material.blendAlpha = json.blendAlpha;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== undefined ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\t\tif ( json.forceSinglePass !== undefined ) material.forceSinglePass = json.forceSinglePass;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\tif ( json.glslVersion !== undefined ) material.glslVersion = json.glslVersion;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.lights !== undefined ) material.lights = json.lights;\n\t\tif ( json.clipping !== undefined ) material.clipping = json.clipping;\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapRotation !== undefined ) material.envMapRotation.fromArray( json.envMapRotation );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.iridescenceMap !== undefined ) material.iridescenceMap = getTexture( json.iridescenceMap );\n\t\tif ( json.iridescenceThicknessMap !== undefined ) material.iridescenceThicknessMap = getTexture( json.iridescenceThicknessMap );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.anisotropyMap !== undefined ) material.anisotropyMap = getTexture( json.anisotropyMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\t/**\n\t * Textures are not embedded in the material JSON so they have\n\t * to be injected before the loading process starts.\n\t *\n\t * @param {Object} value - A dictionary holding textures for material properties.\n\t * @return {MaterialLoader} A reference to this material loader.\n\t */\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Creates a material for the given type.\n\t *\n\t * @param {string} type - The material type.\n\t * @return {Material} The new material.\n\t */\n\tcreateMaterialFromType( type ) {\n\n\t\treturn MaterialLoader.createMaterialFromType( type );\n\n\t}\n\n\t/**\n\t * Creates a material for the given type.\n\t *\n\t * @static\n\t * @param {string} type - The material type.\n\t * @return {Material} The new material.\n\t */\n\tstatic createMaterialFromType( type ) {\n\n\t\tconst materialLib = {\n\t\t\tShadowMaterial,\n\t\t\tSpriteMaterial,\n\t\t\tRawShaderMaterial,\n\t\t\tShaderMaterial,\n\t\t\tPointsMaterial,\n\t\t\tMeshPhysicalMaterial,\n\t\t\tMeshStandardMaterial,\n\t\t\tMeshPhongMaterial,\n\t\t\tMeshToonMaterial,\n\t\t\tMeshNormalMaterial,\n\t\t\tMeshLambertMaterial,\n\t\t\tMeshDepthMaterial,\n\t\t\tMeshDistanceMaterial,\n\t\t\tMeshBasicMaterial,\n\t\t\tMeshMatcapMaterial,\n\t\t\tLineDashedMaterial,\n\t\t\tLineBasicMaterial,\n\t\t\tMaterial\n\t\t};\n\n\t\treturn new materialLib[ type ]();\n\n\t}\n\n}\n\n/**\n * A class with loader utility functions.\n */\nclass LoaderUtils {\n\n\t/**\n\t * Extracts the base URL from the given URL.\n\t *\n\t * @param {string} url -The URL to extract the base URL from.\n\t * @return {string} The extracted base URL.\n\t */\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === -1 ) return './';\n\n\t\treturn url.slice( 0, index + 1 );\n\n\t}\n\n\t/**\n\t * Resolves relative URLs against the given path. Absolute paths, data urls,\n\t * and blob URLs will be returned as is. Invalid URLs will return an empty\n\t * string.\n\t *\n\t * @param {string} url -The URL to resolve.\n\t * @param {string} path - The base path for relative URLs to be resolved against.\n\t * @return {string} The resolved URL.\n\t */\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\n/**\n * An instanced version of a geometry.\n */\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\t/**\n\t * Constructs a new instanced buffer geometry.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isInstancedBufferGeometry = true;\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\n\t\t/**\n\t\t * The instance count.\n\t\t *\n\t\t * @type {number}\n\t\t * @default Infinity\n\t\t */\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Class for loading geometries. The files are internally\n * loaded via {@link FileLoader}.\n *\n * ```js\n * const loader = new THREE.BufferGeometryLoader();\n * const geometry = await loader.loadAsync( 'models/json/pressure.json' );\n *\n * const material = new THREE.MeshBasicMaterial( { color: 0xF5F5F5 } );\n * const object = new THREE.Mesh( geometry, material );\n * scene.add( object );\n * ```\n *\n * @augments Loader\n */\nclass BufferGeometryLoader extends Loader {\n\n\t/**\n\t * Constructs a new geometry loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and pass the loaded geometry to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\terror( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\t/**\n\t * Parses the given JSON object and returns a geometry.\n\t *\n\t * @param {Object} json - The serialized geometry.\n\t * @return {BufferGeometry} The parsed geometry.\n\t */\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tgeometry.boundingSphere = new Sphere().fromJSON( boundingSphere );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\n/**\n * A loader for loading a JSON resource in the [JSON Object/Scene format](https://github.com/mrdoob/three.js/wiki/JSON-Object-Scene-format-4).\n * The files are internally loaded via {@link FileLoader}.\n *\n * ```js\n * const loader = new THREE.ObjectLoader();\n * const obj = await loader.loadAsync( 'models/json/example.json' );\n * scene.add( obj );\n *\n * // Alternatively, to parse a previously loaded JSON structure\n * const object = await loader.parseAsync( a_json_object );\n * scene.add( object );\n * ```\n *\n * @augments Loader\n */\nclass ObjectLoader extends Loader {\n\n\t/**\n\t * Constructs a new object loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and pass the loaded 3D object to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(Object3D)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\terror( 'ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( new Error( 'THREE.ObjectLoader: Can\\'t load ' + url ) );\n\n\t\t\t\terror( 'ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\t/**\n\t * Async version of {@link ObjectLoader#load}.\n\t *\n\t * @async\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @return {Promise} A Promise that resolves with the loaded 3D object.\n\t */\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\t/**\n\t * Parses the given JSON. This is used internally by {@link ObjectLoader#load}\n\t * but can also be used directly to parse a previously loaded JSON structure.\n\t *\n\t * @param {Object} json - The serialized 3D object.\n\t * @param {onLoad} onLoad - Executed when all resources (e.g. textures) have been fully loaded.\n\t * @return {Object3D} The parsed 3D object.\n\t */\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\t\tthis.bindLightTargets( object );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ].data instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\t/**\n\t * Async version of {@link ObjectLoader#parse}.\n\t *\n\t * @param {Object} json - The serialized 3D object.\n\t * @return {Promise} A Promise that resolves with the parsed 3D object.\n\t */\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\t\tthis.bindLightTargets( object );\n\n\t\treturn object;\n\n\t}\n\n\t// internals\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\twarn( `ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t}\n\n\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\twarn( 'ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\twarn( 'ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\twarn( 'ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tconst source = images[ data.image ];\n\t\t\t\tconst image = source.data;\n\n\t\t\t\tlet texture;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture();\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.source = source;\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\t\t\t\tif ( data.channel !== undefined ) texture.channel = data.channel;\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.internalFormat !== undefined ) texture.internalFormat = data.internalFormat;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.colorSpace !== undefined ) texture.colorSpace = data.colorSpace;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.generateMipmaps !== undefined ) texture.generateMipmaps = data.generateMipmaps;\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\t\t\t\tif ( data.compareFunction !== undefined ) texture.compareFunction = data.compareFunction;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\twarn( 'ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\twarn( 'ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\twarn( 'ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\twarn( 'ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.fog.name !== '' ) {\n\n\t\t\t\t\t\tobject.fog.name = data.fog.name;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.backgroundBlurriness !== undefined ) object.backgroundBlurriness = data.backgroundBlurriness;\n\t\t\t\tif ( data.backgroundIntensity !== undefined ) object.backgroundIntensity = data.backgroundIntensity;\n\t\t\t\tif ( data.backgroundRotation !== undefined ) object.backgroundRotation.fromArray( data.backgroundRotation );\n\n\t\t\t\tif ( data.environmentIntensity !== undefined ) object.environmentIntensity = data.environmentIntensity;\n\t\t\t\tif ( data.environmentRotation !== undefined ) object.environmentRotation.fromArray( data.environmentRotation );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\t\t\t\tobject.target = data.target || '';\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\t\t\t\tobject.target = data.target || '';\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'BatchedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new BatchedMesh( data.maxInstanceCount, data.maxVertexCount, data.maxIndexCount, material );\n\t\t\t\tobject.geometry = geometry;\n\t\t\t\tobject.perObjectFrustumCulled = data.perObjectFrustumCulled;\n\t\t\t\tobject.sortObjects = data.sortObjects;\n\n\t\t\t\tobject._drawRanges = data.drawRanges;\n\t\t\t\tobject._reservedRanges = data.reservedRanges;\n\n\t\t\t\tobject._geometryInfo = data.geometryInfo.map( info => {\n\n\t\t\t\t\tlet box = null;\n\t\t\t\t\tlet sphere = null;\n\t\t\t\t\tif ( info.boundingBox !== undefined ) {\n\n\t\t\t\t\t\tbox = new Box3().fromJSON( info.boundingBox );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( info.boundingSphere !== undefined ) {\n\n\t\t\t\t\t\tsphere = new Sphere().fromJSON( info.boundingSphere );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\t...info,\n\t\t\t\t\t\tboundingBox: box,\n\t\t\t\t\t\tboundingSphere: sphere\n\t\t\t\t\t};\n\n\t\t\t\t} );\n\t\t\t\tobject._instanceInfo = data.instanceInfo;\n\n\t\t\t\tobject._availableInstanceIds = data._availableInstanceIds;\n\t\t\t\tobject._availableGeometryIds = data._availableGeometryIds;\n\n\t\t\t\tobject._nextIndexStart = data.nextIndexStart;\n\t\t\t\tobject._nextVertexStart = data.nextVertexStart;\n\t\t\t\tobject._geometryCount = data.geometryCount;\n\n\t\t\t\tobject._maxInstanceCount = data.maxInstanceCount;\n\t\t\t\tobject._maxVertexCount = data.maxVertexCount;\n\t\t\t\tobject._maxIndexCount = data.maxIndexCount;\n\n\t\t\t\tobject._geometryInitialized = data.geometryInitialized;\n\n\t\t\t\tobject._matricesTexture = getTexture( data.matricesTexture.uuid );\n\n\t\t\t\tobject._indirectTexture = getTexture( data.indirectTexture.uuid );\n\n\t\t\t\tif ( data.colorsTexture !== undefined ) {\n\n\t\t\t\t\tobject._colorsTexture = getTexture( data.colorsTexture.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.boundingSphere !== undefined ) {\n\n\t\t\t\t\tobject.boundingSphere = new Sphere().fromJSON( data.boundingSphere );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.boundingBox !== undefined ) {\n\n\t\t\t\t\tobject.boundingBox = new Box3().fromJSON( data.boundingBox );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.up !== undefined ) object.up.fromArray( data.up );\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.intensity !== undefined ) object.shadow.intensity = data.shadow.intensity;\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance, level.hysteresis );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\twarn( 'ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tbindLightTargets( object ) {\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isDirectionalLight || child.isSpotLight ) {\n\n\t\t\t\tconst uuid = child.target;\n\n\t\t\t\tconst target = object.getObjectByProperty( 'uuid', uuid );\n\n\t\t\t\tif ( target !== undefined ) {\n\n\t\t\t\t\tchild.target = target;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.target = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nconst _errorMap = new WeakMap();\n\n/**\n * A loader for loading images as an [ImageBitmap](https://developer.mozilla.org/en-US/docs/Web/API/ImageBitmap).\n * An `ImageBitmap` provides an asynchronous and resource efficient pathway to prepare\n * textures for rendering.\n *\n * Note that {@link Texture#flipY} and {@link Texture#premultiplyAlpha} are ignored with image bitmaps.\n * They needs these configuration on bitmap creation unlike regular images need them on uploading to GPU.\n *\n * You need to set the equivalent options via {@link ImageBitmapLoader#setOptions} instead.\n *\n * Also note that unlike {@link FileLoader}, this loader avoids multiple concurrent requests to the same URL only if `Cache` is enabled.\n *\n * ```js\n * const loader = new THREE.ImageBitmapLoader();\n * loader.setOptions( { imageOrientation: 'flipY' } ); // set options if needed\n * const imageBitmap = await loader.loadAsync( 'image.png' );\n *\n * const texture = new THREE.Texture( imageBitmap );\n * texture.needsUpdate = true;\n * ```\n *\n * @augments Loader\n */\nclass ImageBitmapLoader extends Loader {\n\n\t/**\n\t * Constructs a new image bitmap loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isImageBitmapLoader = true;\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\twarn( 'ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\twarn( 'ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\t/**\n\t\t * Represents the loader options.\n\t\t *\n\t\t * @type {Object}\n\t\t * @default {premultiplyAlpha:'none'}\n\t\t */\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t\t/**\n\t\t * Used for aborting requests.\n\t\t *\n\t\t * @private\n\t\t * @type {AbortController}\n\t\t */\n\t\tthis._abortController = new AbortController();\n\n\t}\n\n\t/**\n\t * Sets the given loader options. The structure of the object must match the `options` parameter of\n\t * [createImageBitmap](https://developer.mozilla.org/en-US/docs/Web/API/Window/createImageBitmap).\n\t *\n\t * @param {Object} options - The loader options to set.\n\t * @return {ImageBitmapLoader} A reference to this image bitmap loader.\n\t */\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and pass the loaded image bitmap to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(ImageBitmap)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Unsupported in this loader.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t * @return {ImageBitmap|undefined} The image bitmap.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( `image-bitmap:${url}` );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\t// If cached is a promise, wait for it to resolve\n\t\t\tif ( cached.then ) {\n\n\t\t\t\tcached.then( imageBitmap => {\n\n\t\t\t\t\t// check if there is an error for the cached promise\n\n\t\t\t\t\tif ( _errorMap.has( cached ) === true ) {\n\n\t\t\t\t\t\tif ( onError ) onError( _errorMap.get( cached ) );\n\n\t\t\t\t\t\tscope.manager.itemError( url );\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t\t\treturn imageBitmap;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// If cached is not a promise (i.e., it's already an imageBitmap)\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\t\tfetchOptions.signal = ( typeof AbortSignal.any === 'function' ) ? AbortSignal.any( [ this._abortController.signal, this.manager.abortController.signal ] ) : this._abortController.signal;\n\n\t\tconst promise = fetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( `image-bitmap:${url}`, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t\treturn imageBitmap;\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\t_errorMap.set( promise, e );\n\n\t\t\tCache.remove( `image-bitmap:${url}` );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tCache.add( `image-bitmap:${url}`, promise );\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n\t/**\n\t * Aborts ongoing fetch requests.\n\t *\n\t * @return {ImageBitmapLoader} A reference to this instance.\n\t */\n\tabort() {\n\n\t\tthis._abortController.abort();\n\t\tthis._abortController = new AbortController();\n\n\t\treturn this;\n\n\t}\n\n}\n\nlet _context;\n\n/**\n * Manages the global audio context in the engine.\n *\n * @hideconstructor\n */\nclass AudioContext {\n\n\t/**\n\t * Returns the global native audio context.\n\t *\n\t * @return {AudioContext} The native audio context.\n\t */\n\tstatic getContext() {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t}\n\n\t/**\n\t * Allows to set the global native audio context from outside.\n\t *\n\t * @param {AudioContext} value - The native context to set.\n\t */\n\tstatic setContext( value ) {\n\n\t\t_context = value;\n\n\t}\n\n}\n\n/**\n * Class for loading audio buffers. Audios are internally\n * loaded via {@link FileLoader}.\n *\n * ```js\n * const audioListener = new THREE.AudioListener();\n * const ambientSound = new THREE.Audio( audioListener );\n *\n * const loader = new THREE.AudioLoader();\n * const audioBuffer = await loader.loadAsync( 'audio/ambient_ocean.ogg' );\n *\n * ambientSound.setBuffer( audioBuffer );\n * ambientSound.play();\n * ```\n *\n * @augments Loader\n */\nclass AudioLoader extends Loader {\n\n\t/**\n\t * Constructs a new audio loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded audio buffer\n\t * to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(AudioBuffer)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} ).catch( handleError );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\thandleError( e );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\tfunction handleError( e ) {\n\n\t\t\tif ( onError ) {\n\n\t\t\t\tonError( e );\n\n\t\t\t} else {\n\n\t\t\t\terror( e );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemError( url );\n\n\t\t}\n\n\t}\n\n}\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\n/**\n * A special type of camera that uses two perspective cameras with\n * stereoscopic projection. Can be used for rendering stereo effects\n * like [3D Anaglyph](https://en.wikipedia.org/wiki/Anaglyph_3D) or\n * [Parallax Barrier](https://en.wikipedia.org/wiki/parallax_barrier).\n */\nclass StereoCamera {\n\n\t/**\n\t * Constructs a new stereo camera.\n\t */\n\tconstructor() {\n\n\t\t/**\n\t\t * The type property is used for detecting the object type\n\t\t * in context of serialization/deserialization.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.type = 'StereoCamera';\n\n\t\t/**\n\t\t * The aspect.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.aspect = 1;\n\n\t\t/**\n\t\t * The eye separation which represents the distance\n\t\t * between the left and right camera.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.064\n\t\t */\n\t\tthis.eyeSep = 0.064;\n\n\t\t/**\n\t\t * The camera representing the left eye. This is added to layer `1` so objects to be\n\t\t * rendered by the left camera must also be added to this layer.\n\t\t *\n\t\t * @type {PerspectiveCamera}\n\t\t */\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\t/**\n\t\t * The camera representing the right eye. This is added to layer `2` so objects to be\n\t\t * rendered by the right camera must also be added to this layer.\n\t\t *\n\t\t * @type {PerspectiveCamera}\n\t\t */\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\t/**\n\t * Updates the stereo camera based on the given perspective camera.\n\t *\n\t * @param {PerspectiveCamera} camera - The perspective camera.\n\t */\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\n/**\n * This type of camera can be used in order to efficiently render a scene with a\n * predefined set of cameras. This is an important performance aspect for\n * rendering VR scenes.\n *\n * An instance of `ArrayCamera` always has an array of sub cameras. It's mandatory\n * to define for each sub camera the `viewport` property which determines the\n * part of the viewport that is rendered with this camera.\n *\n * @augments PerspectiveCamera\n */\nclass ArrayCamera extends PerspectiveCamera {\n\n\t/**\n\t * Constructs a new array camera.\n\t *\n\t * @param {Array} [array=[]] - An array of perspective sub cameras.\n\t */\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isArrayCamera = true;\n\n\t\t/**\n\t\t * Whether this camera is used with multiview rendering or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default false\n\t\t */\n\t\tthis.isMultiViewCamera = false;\n\n\t\t/**\n\t\t * An array of perspective sub cameras.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.cameras = array;\n\n\t}\n\n}\n\n/**\n * Class for keeping track of time.\n */\nclass Clock {\n\n\t/**\n\t * Constructs a new clock.\n\t *\n\t * @param {boolean} [autoStart=true] - Whether to automatically start the clock when\n\t * `getDelta()` is called for the first time.\n\t */\n\tconstructor( autoStart = true ) {\n\n\t\t/**\n\t\t * If set to `true`, the clock starts automatically when `getDelta()` is called\n\t\t * for the first time.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.autoStart = autoStart;\n\n\t\t/**\n\t\t * Holds the time at which the clock's `start()` method was last called.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.startTime = 0;\n\n\t\t/**\n\t\t * Holds the time at which the clock's `start()`, `getElapsedTime()` or\n\t\t * `getDelta()` methods were last called.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.oldTime = 0;\n\n\t\t/**\n\t\t * Keeps track of the total time that the clock has been running.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.elapsedTime = 0;\n\n\t\t/**\n\t\t * Whether the clock is running or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.running = false;\n\n\t}\n\n\t/**\n\t * Starts the clock. When `autoStart` is set to `true`, the method is automatically\n\t * called by the class.\n\t */\n\tstart() {\n\n\t\tthis.startTime = performance.now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\t/**\n\t * Stops the clock.\n\t */\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\t/**\n\t * Returns the elapsed time in seconds.\n\t *\n\t * @return {number} The elapsed time.\n\t */\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\t/**\n\t * Returns the delta time in seconds.\n\t *\n\t * @return {number} The delta time.\n\t */\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = performance.now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\n\nconst _forward = /*@__PURE__*/ new Vector3();\nconst _up = /*@__PURE__*/ new Vector3();\n\n/**\n * The class represents a virtual listener of the all positional and non-positional audio effects\n * in the scene. A three.js application usually creates a single listener. It is a mandatory\n * constructor parameter for audios entities like {@link Audio} and {@link PositionalAudio}.\n *\n * In most cases, the listener object is a child of the camera. So the 3D transformation of the\n * camera represents the 3D transformation of the listener.\n *\n * @augments Object3D\n */\nclass AudioListener extends Object3D {\n\n\t/**\n\t * Constructs a new audio listener.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\t/**\n\t\t * The native audio context.\n\t\t *\n\t\t * @type {AudioContext}\n\t\t * @readonly\n\t\t */\n\t\tthis.context = AudioContext.getContext();\n\n\t\t/**\n\t\t * The gain node used for volume control.\n\t\t *\n\t\t * @type {GainNode}\n\t\t * @readonly\n\t\t */\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\t/**\n\t\t * An optional filter.\n\t\t *\n\t\t * Defined via {@link AudioListener#setFilter}.\n\t\t *\n\t\t * @type {?AudioNode}\n\t\t * @default null\n\t\t * @readonly\n\t\t */\n\t\tthis.filter = null;\n\n\t\t/**\n\t\t * Time delta values required for `linearRampToValueAtTime()` usage.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t * @readonly\n\t\t */\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\t/**\n\t * Returns the listener's input node.\n\t *\n\t * This method is used by other audio nodes to connect to this listener.\n\t *\n\t * @return {GainNode} The input node.\n\t */\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\t/**\n\t * Removes the current filter from this listener.\n\t *\n\t * @return {AudioListener} A reference to this listener.\n\t */\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the current set filter.\n\t *\n\t * @return {?AudioNode} The filter.\n\t */\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\t/**\n\t * Sets the given filter to this listener.\n\t *\n\t * @param {AudioNode} value - The filter to set.\n\t * @return {AudioListener} A reference to this listener.\n\t */\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the applications master volume.\n\t *\n\t * @return {number} The master volume.\n\t */\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\t/**\n\t * Sets the applications master volume. This volume setting affects\n\t * all audio nodes in the scene.\n\t *\n\t * @param {number} value - The master volume to set.\n\t * @return {AudioListener} A reference to this listener.\n\t */\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t// the initial forward and up directions must be orthogonal\n\t\t_forward.set( 0, 0, -1 ).applyQuaternion( _quaternion$1 );\n\t\t_up.set( 0, 1, 0 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _forward.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _forward.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _forward.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( _up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( _up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( _up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _forward.x, _forward.y, _forward.z, _up.x, _up.y, _up.z );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Represents a non-positional ( global ) audio object.\n *\n * This and related audio modules make use of the [Web Audio API](https://www.w3.org/TR/webaudio-1.1/).\n *\n * ```js\n * // create an AudioListener and add it to the camera\n * const listener = new THREE.AudioListener();\n * camera.add( listener );\n *\n * // create a global audio source\n * const sound = new THREE.Audio( listener );\n *\n * // load a sound and set it as the Audio object's buffer\n * const audioLoader = new THREE.AudioLoader();\n * audioLoader.load( 'sounds/ambient.ogg', function( buffer ) {\n * \tsound.setBuffer( buffer );\n * \tsound.setLoop( true );\n * \tsound.setVolume( 0.5 );\n * \tsound.play();\n * });\n * ```\n *\n * @augments Object3D\n */\nclass Audio extends Object3D {\n\n\t/**\n\t * Constructs a new audio.\n\t *\n\t * @param {AudioListener} listener - The global audio listener.\n\t */\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\t/**\n\t\t * The global audio listener.\n\t\t *\n\t\t * @type {AudioListener}\n\t\t * @readonly\n\t\t */\n\t\tthis.listener = listener;\n\n\t\t/**\n\t\t * The audio context.\n\t\t *\n\t\t * @type {AudioContext}\n\t\t * @readonly\n\t\t */\n\t\tthis.context = listener.context;\n\n\t\t/**\n\t\t * The gain node used for volume control.\n\t\t *\n\t\t * @type {GainNode}\n\t\t * @readonly\n\t\t */\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\t/**\n\t\t * Whether to start playback automatically or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.autoplay = false;\n\n\t\t/**\n\t\t * A reference to an audio buffer.\n\t\t *\n\t\t * Defined via {@link Audio#setBuffer}.\n\t\t *\n\t\t * @type {?AudioBuffer}\n\t\t * @default null\n\t\t * @readonly\n\t\t */\n\t\tthis.buffer = null;\n\n\t\t/**\n\t\t * Modify pitch, measured in cents. +/- 100 is a semitone.\n\t\t * +/- 1200 is an octave.\n\t\t *\n\t\t * Defined via {@link Audio#setDetune}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t * @readonly\n\t\t */\n\t\tthis.detune = 0;\n\n\t\t/**\n\t\t * Whether the audio should loop or not.\n\t\t *\n\t\t * Defined via {@link Audio#setLoop}.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t * @readonly\n\t\t */\n\t\tthis.loop = false;\n\n\t\t/**\n\t\t * Defines where in the audio buffer the replay should\n\t\t * start, in seconds.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.loopStart = 0;\n\n\t\t/**\n\t\t * Defines where in the audio buffer the replay should\n\t\t * stop, in seconds.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.loopEnd = 0;\n\n\t\t/**\n\t\t * An offset to the time within the audio buffer the playback\n\t\t * should begin, in seconds.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.offset = 0;\n\n\t\t/**\n\t\t * Overrides the default duration of the audio.\n\t\t *\n\t\t * @type {undefined|number}\n\t\t * @default undefined\n\t\t */\n\t\tthis.duration = undefined;\n\n\t\t/**\n\t\t * The playback speed.\n\t\t *\n\t\t * Defined via {@link Audio#setPlaybackRate}.\n\t\t *\n\t\t * @type {number}\n\t\t * @readonly\n\t\t * @default 1\n\t\t */\n\t\tthis.playbackRate = 1;\n\n\t\t/**\n\t\t * Indicates whether the audio is playing or not.\n\t\t *\n\t\t * This flag will be automatically set when using {@link Audio#play},\n\t\t * {@link Audio#pause}, {@link Audio#stop}.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default false\n\t\t */\n\t\tthis.isPlaying = false;\n\n\t\t/**\n\t\t * Indicates whether the audio playback can be controlled\n\t\t * with method like {@link Audio#play} or {@link Audio#pause}.\n\t\t *\n\t\t * This flag will be automatically set when audio sources are\n\t\t * defined.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.hasPlaybackControl = true;\n\n\t\t/**\n\t\t * Holds a reference to the current audio source.\n\t\t *\n\t\t * The property is automatically by one of the `set*()` methods.\n\t\t *\n\t\t * @type {?AudioNode}\n\t\t * @readonly\n\t\t * @default null\n\t\t */\n\t\tthis.source = null;\n\n\t\t/**\n\t\t * Defines the source type.\n\t\t *\n\t\t * The property is automatically by one of the `set*()` methods.\n\t\t *\n\t\t * @type {('empty'|'audioNode'|'mediaNode'|'mediaStreamNode'|'buffer')}\n\t\t * @readonly\n\t\t * @default 'empty'\n\t\t */\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\t/**\n\t\t * Can be used to apply a variety of low-order filters to create\n\t\t * more complex sound effects e.g. via `BiquadFilterNode`.\n\t\t *\n\t\t * The property is automatically set by {@link Audio#setFilters}.\n\t\t *\n\t\t * @type {Array}\n\t\t * @readonly\n\t\t */\n\t\tthis.filters = [];\n\n\t}\n\n\t/**\n\t * Returns the output audio node.\n\t *\n\t * @return {GainNode} The output node.\n\t */\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\t/**\n\t * Sets the given audio node as the source of this instance.\n\t *\n\t * {@link Audio#sourceType} is set to `audioNode` and {@link Audio#hasPlaybackControl} to `false`.\n\t *\n\t * @param {AudioNode} audioNode - The audio node like an instance of `OscillatorNode`.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given media element as the source of this instance.\n\t *\n\t * {@link Audio#sourceType} is set to `mediaNode` and {@link Audio#hasPlaybackControl} to `false`.\n\t *\n\t * @param {HTMLMediaElement} mediaElement - The media element.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given media stream as the source of this instance.\n\t *\n\t * {@link Audio#sourceType} is set to `mediaStreamNode` and {@link Audio#hasPlaybackControl} to `false`.\n\t *\n\t * @param {MediaStream} mediaStream - The media stream.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given audio buffer as the source of this instance.\n\t *\n\t * {@link Audio#sourceType} is set to `buffer` and {@link Audio#hasPlaybackControl} to `true`.\n\t *\n\t * @param {AudioBuffer} audioBuffer - The audio buffer.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Starts the playback of the audio.\n\t *\n\t * Can only be used with compatible audio sources that allow playback control.\n\t *\n\t * @param {number} [delay=0] - The delay, in seconds, at which the audio should start playing.\n\t * @return {Audio|undefined} A reference to this instance.\n\t */\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\twarn( 'Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\twarn( 'Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\t/**\n\t * Pauses the playback of the audio.\n\t *\n\t * Can only be used with compatible audio sources that allow playback control.\n\t *\n\t * @return {Audio|undefined} A reference to this instance.\n\t */\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\twarn( 'Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Stops the playback of the audio.\n\t *\n\t * Can only be used with compatible audio sources that allow playback control.\n\t *\n\t * @param {number} [delay=0] - The delay, in seconds, at which the audio should stop playing.\n\t * @return {Audio|undefined} A reference to this instance.\n\t */\n\tstop( delay = 0 ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\twarn( 'Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tif ( this.source !== null ) {\n\n\t\t\tthis.source.stop( this.context.currentTime + delay );\n\t\t\tthis.source.onended = null;\n\n\t\t}\n\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Connects to the audio source. This is used internally on\n\t * initialisation and when setting / removing filters.\n\t *\n\t * @return {Audio} A reference to this instance.\n\t */\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Disconnects to the audio source. This is used internally on\n\t * initialisation and when setting / removing filters.\n\t *\n\t * @return {Audio|undefined} A reference to this instance.\n\t */\n\tdisconnect() {\n\n\t\tif ( this._connected === false ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the current set filters.\n\t *\n\t * @return {Array} The list of filters.\n\t */\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\t/**\n\t * Sets an array of filters and connects them with the audio source.\n\t *\n\t * @param {Array} [value] - A list of filters.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Defines the detuning of oscillation in cents.\n\t *\n\t * @param {number} value - The detuning of oscillation in cents.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.isPlaying === true && this.source.detune !== undefined ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the detuning of oscillation in cents.\n\t *\n\t * @return {number} The detuning of oscillation in cents.\n\t */\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\t/**\n\t * Returns the first filter in the list of filters.\n\t *\n\t * @return {AudioNode|undefined} The first filter in the list of filters.\n\t */\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\t/**\n\t * Applies a single filter node to the audio.\n\t *\n\t * @param {AudioNode} [filter] - The filter to set.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\t/**\n\t * Sets the playback rate.\n\t *\n\t * Can only be used with compatible audio sources that allow playback control.\n\t *\n\t * @param {number} [value] - The playback rate to set.\n\t * @return {Audio|undefined} A reference to this instance.\n\t */\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\twarn( 'Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the current playback rate.\n\n\t * @return {number} The playback rate.\n\t */\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\t/**\n\t * Automatically called when playback finished.\n\t */\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\t\tthis._progress = 0;\n\n\t}\n\n\t/**\n\t * Returns the loop flag.\n\t *\n\t * Can only be used with compatible audio sources that allow playback control.\n\t *\n\t * @return {boolean} Whether the audio should loop or not.\n\t */\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\twarn( 'Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\t/**\n\t * Sets the loop flag.\n\t *\n\t * Can only be used with compatible audio sources that allow playback control.\n\t *\n\t * @param {boolean} value - Whether the audio should loop or not.\n\t * @return {Audio|undefined} A reference to this instance.\n\t */\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\twarn( 'Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the loop start value which defines where in the audio buffer the replay should\n\t * start, in seconds.\n\t *\n\t * @param {number} value - The loop start value.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the loop end value which defines where in the audio buffer the replay should\n\t * stop, in seconds.\n\t *\n\t * @param {number} value - The loop end value.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the volume.\n\t *\n\t * @return {number} The volume.\n\t */\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\t/**\n\t * Sets the volume.\n\t *\n\t * @param {number} value - The volume to set.\n\t * @return {Audio} A reference to this instance.\n\t */\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.sourceType !== 'buffer' ) {\n\n\t\t\twarn( 'Audio: Audio source type cannot be copied.' );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.autoplay = source.autoplay;\n\n\t\tthis.buffer = source.buffer;\n\t\tthis.detune = source.detune;\n\t\tthis.loop = source.loop;\n\t\tthis.loopStart = source.loopStart;\n\t\tthis.loopEnd = source.loopEnd;\n\t\tthis.offset = source.offset;\n\t\tthis.duration = source.duration;\n\t\tthis.playbackRate = source.playbackRate;\n\t\tthis.hasPlaybackControl = source.hasPlaybackControl;\n\t\tthis.sourceType = source.sourceType;\n\n\t\tthis.filters = source.filters.slice();\n\n\t\treturn this;\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor( this.listener ).copy( this, recursive );\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\n/**\n * Represents a positional audio object.\n *\n * ```js\n * // create an AudioListener and add it to the camera\n * const listener = new THREE.AudioListener();\n * camera.add( listener );\n *\n * // create the PositionalAudio object (passing in the listener)\n * const sound = new THREE.PositionalAudio( listener );\n *\n * // load a sound and set it as the PositionalAudio object's buffer\n * const audioLoader = new THREE.AudioLoader();\n * audioLoader.load( 'sounds/song.ogg', function( buffer ) {\n * \tsound.setBuffer( buffer );\n * \tsound.setRefDistance( 20 );\n * \tsound.play();\n * });\n *\n * // create an object for the sound to play from\n * const sphere = new THREE.SphereGeometry( 20, 32, 16 );\n * const material = new THREE.MeshPhongMaterial( { color: 0xff2200 } );\n * const mesh = new THREE.Mesh( sphere, material );\n * scene.add( mesh );\n *\n * // finally add the sound to the mesh\n * mesh.add( sound );\n *\n * @augments Audio\n */\nclass PositionalAudio extends Audio {\n\n\t/**\n\t * Constructs a positional audio.\n\t *\n\t * @param {AudioListener} listener - The global audio listener.\n\t */\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\t/**\n\t\t * The panner node represents the location, direction, and behavior of an audio\n\t\t * source in 3D space.\n\t\t *\n\t\t * @type {PannerNode}\n\t\t * @readonly\n\t\t */\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tconnect() {\n\n\t\tsuper.connect();\n\n\t\tthis.panner.connect( this.gain );\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tsuper.disconnect();\n\n\t\tthis.panner.disconnect( this.gain );\n\n\t\treturn this;\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\t/**\n\t * Returns the current reference distance.\n\t *\n\t * @return {number} The reference distance.\n\t */\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\t/**\n\t * Defines the reference distance for reducing volume as the audio source moves\n\t * further from the listener – i.e. the distance at which the volume reduction\n\t * starts taking effect.\n\t *\n\t * @param {number} value - The reference distance to set.\n\t * @return {PositionalAudio} A reference to this instance.\n\t */\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the current rolloff factor.\n\t *\n\t * @return {number} The rolloff factor.\n\t */\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\t/**\n\t * Defines how quickly the volume is reduced as the source moves away from the listener.\n\t *\n\t * @param {number} value - The rolloff factor.\n\t * @return {PositionalAudio} A reference to this instance.\n\t */\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the current distance model.\n\t *\n\t * @return {('linear'|'inverse'|'exponential')} The distance model.\n\t */\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\t/**\n\t * Defines which algorithm to use to reduce the volume of the audio source\n\t * as it moves away from the listener.\n\t *\n\t * Read [the spec](https://www.w3.org/TR/webaudio-1.1/#enumdef-distancemodeltype)\n\t * for more details.\n\t *\n\t * @param {('linear'|'inverse'|'exponential')} value - The distance model to set.\n\t * @return {PositionalAudio} A reference to this instance.\n\t */\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the current max distance.\n\t *\n\t * @return {number} The max distance.\n\t */\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\t/**\n\t * Defines the maximum distance between the audio source and the listener,\n\t * after which the volume is not reduced any further.\n\t *\n\t * This value is used only by the `linear` distance model.\n\t *\n\t * @param {number} value - The max distance.\n\t * @return {PositionalAudio} A reference to this instance.\n\t */\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the directional cone in which the audio can be listened.\n\t *\n\t * @param {number} coneInnerAngle - An angle, in degrees, of a cone inside of which there will be no volume reduction.\n\t * @param {number} coneOuterAngle - An angle, in degrees, of a cone outside of which the volume will be reduced by a constant value, defined by the `coneOuterGain` parameter.\n\t * @param {number} coneOuterGain - The amount of volume reduction outside the cone defined by the `coneOuterAngle`. When set to `0`, no sound can be heard.\n\t * @return {PositionalAudio} A reference to this instance.\n\t */\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * This class can be used to analyse audio data.\n *\n * ```js\n * // create an AudioListener and add it to the camera\n * const listener = new THREE.AudioListener();\n * camera.add( listener );\n *\n * // create an Audio source\n * const sound = new THREE.Audio( listener );\n *\n * // load a sound and set it as the Audio object's buffer\n * const audioLoader = new THREE.AudioLoader();\n * audioLoader.load( 'sounds/ambient.ogg', function( buffer ) {\n * \tsound.setBuffer( buffer );\n * \tsound.setLoop(true);\n * \tsound.setVolume(0.5);\n * \tsound.play();\n * });\n *\n * // create an AudioAnalyser, passing in the sound and desired fftSize\n * const analyser = new THREE.AudioAnalyser( sound, 32 );\n *\n * // get the average frequency of the sound\n * const data = analyser.getAverageFrequency();\n * ```\n */\nclass AudioAnalyser {\n\n\t/**\n\t * Constructs a new audio analyzer.\n\t *\n\t * @param {Audio} audio - The audio to analyze.\n\t * @param {number} [fftSize=2048] - The window size in samples that is used when performing a Fast Fourier Transform (FFT) to get frequency domain data.\n\t */\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\t/**\n\t\t * The global audio listener.\n\t\t *\n\t\t * @type {AnalyserNode}\n\t\t */\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\t/**\n\t\t * Holds the analyzed data.\n\t\t *\n\t\t * @type {Uint8Array}\n\t\t */\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\t/**\n\t * Returns an array with frequency data of the audio.\n\t *\n\t * Each item in the array represents the decibel value for a specific frequency.\n\t * The frequencies are spread linearly from 0 to 1/2 of the sample rate.\n\t * For example, for 48000 sample rate, the last item of the array will represent\n\t * the decibel value for 24000 Hz.\n\t *\n\t * @return {Uint8Array} The frequency data.\n\t */\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\t/**\n\t * Returns the average of the frequencies returned by {@link AudioAnalyser#getFrequencyData}.\n\t *\n\t * @return {number} The average frequency.\n\t */\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\n/**\n * Buffered scene graph property that allows weighted accumulation; used internally.\n */\nclass PropertyMixer {\n\n\t/**\n\t * Constructs a new property mixer.\n\t *\n\t * @param {PropertyBinding} binding - The property binding.\n\t * @param {string} typeName - The keyframe track type name.\n\t * @param {number} valueSize - The keyframe track value size.\n\t */\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\t/**\n\t\t * The property binding.\n\t\t *\n\t\t * @type {PropertyBinding}\n\t\t */\n\t\tthis.binding = binding;\n\n\t\t/**\n\t\t * The keyframe track value size.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\t/**\n\t\t * TODO\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.cumulativeWeight = 0;\n\n\t\t/**\n\t\t * TODO\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\t/**\n\t\t * TODO\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.useCount = 0;\n\n\t\t/**\n\t\t * TODO\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t/**\n\t * Accumulates data in the `incoming` region into `accu`.\n\t *\n\t * @param {number} accuIndex - The accumulation index.\n\t * @param {number} weight - The weight.\n\t */\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t/**\n\t * Accumulates data in the `incoming` region into `add`.\n\t *\n\t * @param {number} weight - The weight.\n\t */\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t/**\n\t * Applies the state of `accu` to the binding when accus differ.\n\t *\n\t * @param {number} accuIndex - The accumulation index.\n\t */\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\n\t/**\n\t * Remembers the state of the bound property and copy it to both accus.\n\t */\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t/**\n\t * Applies the state previously taken via {@link PropertyMixer#saveOriginalState} to the binding.\n\t */\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t// internals\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /*@__PURE__*/ /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /*@__PURE__*/ /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /*@__PURE__*/ /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /*@__PURE__*/ /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones', 'map' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\n\n\n/**\n * This holds a reference to a real property in the scene graph; used internally.\n */\nclass PropertyBinding {\n\n\t/**\n\t * Constructs a new property binding.\n\t *\n\t * @param {Object} rootNode - The root node.\n\t * @param {string} path - The path.\n\t * @param {?Object} [parsedPath] - The parsed path.\n\t */\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\t/**\n\t\t * The object path to the animated property.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.path = path;\n\n\t\t/**\n\t\t * An object holding information about the path.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\t/**\n\t\t * The object owns the animated property.\n\t\t *\n\t\t * @type {?Object}\n\t\t */\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName );\n\n\t\t/**\n\t\t * The root node.\n\t\t *\n\t\t * @type {Object3D|Skeleton}\n\t\t */\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\t/**\n\t * Factory method for creating a property binding from the given parameters.\n\t *\n\t * @static\n\t * @param {Object} root - The root node.\n\t * @param {string} path - The path.\n\t * @param {?Object} [parsedPath] - The parsed path.\n\t * @return {PropertyBinding|Composite} The created property binding or composite.\n\t */\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name - Node name to be sanitized.\n\t * @return {string} The sanitized node name.\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\t/**\n\t * Parses the given track name (an object path to an animated property) and\n\t * returns an object with information about the path. Matches strings in the following forms:\n\t *\n\t * - nodeName.property\n\t * - nodeName.property[accessor]\n\t * - nodeName.material.property[accessor]\n\t * - uuid.property[accessor]\n\t * - uuid.objectName[objectIndex].propertyName[propertyIndex]\n\t * - parentName/nodeName.property\n\t * - parentName/parentName/nodeName.property[index]\n\t * - .bone[Armature.DEF_cog].position\n\t * - scene:helium_balloon_model:helium_balloon_model.position\n\t *\n\t * @static\n\t * @param {string} trackName - The track name to parse.\n\t * @return {Object} The parsed track name as an object.\n\t */\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( matches === null ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== -1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== -1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\t/**\n\t * Searches for a node in the hierarchy of the given root object by the given\n\t * node name.\n\t *\n\t * @static\n\t * @param {Object} root - The root object.\n\t * @param {string|number} nodeName - The name of the node.\n\t * @return {?Object} The found node. Returns `null` if no object was found.\n\t */\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( nodeName === undefined || nodeName === '' || nodeName === '.' || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t/**\n\t * Creates a getter / setter pair for the property tracked by this binding.\n\t */\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName );\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\twarn( 'PropertyBinding: No target node found for track: ' + this.path + '.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\terror( 'PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\terror( 'PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\terror( 'PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map':\n\n\t\t\t\t\tif ( 'map' in targetObject ) {\n\n\t\t\t\t\t\ttargetObject = targetObject.map;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\terror( 'PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.map ) {\n\n\t\t\t\t\t\terror( 'PropertyBinding: Can not bind to material.map as node.material does not have a map.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.map;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\terror( 'PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\terror( 'PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\terror( 'PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.isMaterial === true ) {\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.isObject3D === true ) {\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\terror( 'PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\terror( 'PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\t/**\n\t * Unbinds the property.\n\t */\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n * - Add objects you would otherwise pass as 'root' to the\n * constructor or the .clipAction method of AnimationMixer.\n * - Instead pass this object as 'root'.\n * - You can also add and remove objects later when the mixer is running.\n *\n * Note:\n *\n * - Objects of this class appear as one object to the mixer,\n * so cache control of the individual objects must be done on the group.\n *\n * Limitation:\n *\n * - The animated properties must be compatible among the all objects in the group.\n * - A single property can either be controlled through a target group or directly, but not both.\n */\nclass AnimationObjectGroup {\n\n\t/**\n\t * Constructs a new animation group.\n\t *\n\t * @param {...Object3D} arguments - An arbitrary number of 3D objects that share the same animation state.\n\t */\n\tconstructor() {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isAnimationObjectGroup = true;\n\n\t\t/**\n\t\t * The UUID of the 3D object.\n\t\t *\n\t\t * @type {string}\n\t\t * @readonly\n\t\t */\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t/**\n\t * Adds an arbitrary number of objects to this animation group.\n\t *\n\t * @param {...Object3D} arguments - The 3D objects to add.\n\t */\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\terror( 'AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t/**\n\t * Removes an arbitrary number of objects to this animation group\n\t *\n\t * @param {...Object3D} arguments - The 3D objects to remove.\n\t */\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t/**\n\t * Deallocates all memory resources for the passed 3D objects of this animation group.\n\t *\n\t * @param {...Object3D} arguments - The 3D objects to uncache.\n\t */\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * An instance of `AnimationAction` schedules the playback of an animation which is\n * stored in {@link AnimationClip}.\n */\nclass AnimationAction {\n\n\t/**\n\t * Constructs a new animation action.\n\t *\n\t * @param {AnimationMixer} mixer - The mixer that is controlled by this action.\n\t * @param {AnimationClip} clip - The animation clip that holds the actual keyframes.\n\t * @param {?Object3D} [localRoot=null] - The root object on which this action is performed.\n\t * @param {(NormalAnimationBlendMode|AdditiveAnimationBlendMode)} [blendMode] - The blend mode.\n\t */\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\n\t\t/**\n\t\t * Defines how the animation is blended/combined when two or more animations\n\t\t * are simultaneously played.\n\t\t *\n\t\t * @type {(NormalAnimationBlendMode|AdditiveAnimationBlendMode)}\n\t\t */\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\t/**\n\t\t * The loop mode, set via {@link AnimationAction#setLoop}.\n\t\t *\n\t\t * @type {(LoopRepeat|LoopOnce|LoopPingPong)}\n\t\t * @default LoopRepeat\n\t\t */\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = -1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t/**\n\t\t * The local time of this action (in seconds, starting with `0`).\n\t\t *\n\t\t * The value gets clamped or wrapped to `[0,clip.duration]` (according to the\n\t\t * loop state).\n\t\t *\n\t\t * @type {number}\n\t\t * @default Infinity\n\t\t */\n\t\tthis.time = 0;\n\n\t\t/**\n\t\t * Scaling factor for the {@link AnimationAction#time}. A value of `0` causes the\n\t\t * animation to pause. Negative values cause the animation to play backwards.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\t/**\n\t\t * The degree of influence of this action (in the interval `[0, 1]`). Values\n\t\t * between `0` (no impact) and `1` (full impact) can be used to blend between\n\t\t * several actions.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\t/**\n\t\t * The number of repetitions of the performed clip over the course of this action.\n\t\t * Can be set via {@link AnimationAction#setLoop}.\n\t\t *\n\t\t * Setting this number has no effect if {@link AnimationAction#loop} is set to\n\t\t * `THREE:LoopOnce`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default Infinity\n\t\t */\n\t\tthis.repetitions = Infinity;\n\n\t\t/**\n\t\t * If set to `true`, the playback of the action is paused.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.paused = false;\n\n\t\t/**\n\t\t * If set to `false`, the action is disabled so it has no impact.\n\t\t *\n\t\t * When the action is re-enabled, the animation continues from its current\n\t\t * time (setting `enabled` to `false` doesn't reset the action).\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.enabled = true;\n\n\t\t/**\n\t\t * If set to true the animation will automatically be paused on its last frame.\n\t\t *\n\t\t * If set to false, {@link AnimationAction#enabled} will automatically be switched\n\t\t * to `false` when the last loop of the action has finished, so that this action has\n\t\t * no further impact.\n\t\t *\n\t\t * Note: This member has no impact if the action is interrupted (it\n\t\t * has only an effect if its last loop has really finished).\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.clampWhenFinished = false;\n\n\t\t/**\n\t\t * Enables smooth interpolation without separate clips for start, loop and end.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.zeroSlopeAtStart = true;\n\n\t\t/**\n\t\t * Enables smooth interpolation without separate clips for start, loop and end.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.zeroSlopeAtEnd = true;\n\n\t}\n\n\t/**\n\t * Starts the playback of the animation.\n\t *\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Stops the playback of the animation.\n\t *\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\t/**\n\t * Resets the playback of the animation.\n\t *\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = -1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\t/**\n\t * Returns `true` if the animation is running.\n\t *\n\t * @return {boolean} Whether the animation is running or not.\n\t */\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t/**\n\t * Returns `true` when {@link AnimationAction#play} has been called.\n\t *\n\t * @return {boolean} Whether the animation is scheduled or not.\n\t */\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\t/**\n\t * Defines the time when the animation should start.\n\t *\n\t * @param {number} time - The start time in seconds.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Configures the loop settings for this action.\n\t *\n\t * @param {(LoopRepeat|LoopOnce|LoopPingPong)} mode - The loop mode.\n\t * @param {number} repetitions - The number of repetitions.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the effective weight of this action.\n\t *\n\t * An action has no effect and thus an effective weight of zero when the\n\t * action is disabled.\n\t *\n\t * @param {number} weight - The weight to set.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t/**\n\t * Returns the effective weight of this action.\n\t *\n\t * @return {number} The effective weight.\n\t */\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\t/**\n\t * Fades the animation in by increasing its weight gradually from `0` to `1`,\n\t * within the passed time interval.\n\t *\n\t * @param {number} duration - The duration of the fade.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\t/**\n\t * Fades the animation out by decreasing its weight gradually from `1` to `0`,\n\t * within the passed time interval.\n\t *\n\t * @param {number} duration - The duration of the fade.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\t/**\n\t * Causes this action to fade in and the given action to fade out,\n\t * within the passed time interval.\n\t *\n\t * @param {AnimationAction} fadeOutAction - The animation action to fade out.\n\t * @param {number} duration - The duration of the fade.\n\t * @param {boolean} [warp=false] - Whether warping should be used or not.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tcrossFadeFrom( fadeOutAction, duration, warp = false ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp === true ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Causes this action to fade out and the given action to fade in,\n\t * within the passed time interval.\n\t *\n\t * @param {AnimationAction} fadeInAction - The animation action to fade in.\n\t * @param {number} duration - The duration of the fade.\n\t * @param {boolean} [warp=false] - Whether warping should be used or not.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tcrossFadeTo( fadeInAction, duration, warp = false ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\t/**\n\t * Stops any fading which is applied to this action.\n\t *\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the effective time scale of this action.\n\t *\n\t * An action has no effect and thus an effective time scale of zero when the\n\t * action is paused.\n\t *\n\t * @param {number} timeScale - The time scale to set.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t/**\n\t * Returns the effective time scale of this action.\n\t *\n\t * @return {number} The effective time scale.\n\t */\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\t/**\n\t * Sets the duration for a single loop of this action.\n\t *\n\t * @param {number} duration - The duration to set.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t/**\n\t * Synchronizes this action with the passed other action.\n\t *\n\t * @param {AnimationAction} action - The action to sync with.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t/**\n\t * Decelerates this animation's speed to `0` within the passed time interval.\n\t *\n\t * @param {number} duration - The duration.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\t/**\n\t * Changes the playback speed, within the passed time interval, by modifying\n\t * {@link AnimationAction#timeScale} gradually from `startTimeScale` to\n\t * `endTimeScale`.\n\t *\n\t * @param {number} startTimeScale - The start time scale.\n\t * @param {number} endTimeScale - The end time scale.\n\t * @param {number} duration - The duration.\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Stops any scheduled warping which is applied to this action.\n\t *\n\t * @return {AnimationAction} A reference to this animation action.\n\t */\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the animation mixer of this animation action.\n\t *\n\t * @return {AnimationMixer} The animation mixer.\n\t */\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\t/**\n\t * Returns the animation clip of this animation action.\n\t *\n\t * @return {AnimationClip} The animation clip.\n\t */\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\t/**\n\t * Returns the root object of this animation action.\n\t *\n\t * @return {Object3D} The root object.\n\t */\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\tdeltaTime = 0;\n\n\t\t\t} else {\n\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === -1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === -1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? -1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === -1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : -1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _controlInterpolantsResultBuffer = new Float32Array( 1 );\n\n/**\n * `AnimationMixer` is a player for animations on a particular object in\n * the scene. When multiple objects in the scene are animated independently,\n * one `AnimationMixer` may be used for each object.\n */\nclass AnimationMixer extends EventDispatcher {\n\n\t/**\n\t * Constructs a new animation mixer.\n\t *\n\t * @param {Object3D} root - The object whose animations shall be played by this mixer.\n\t */\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\n\t\t/**\n\t\t * The global mixer time (in seconds; starting with `0` on the mixer's creation).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.time = 0;\n\n\t\t/**\n\t\t * A scaling factor for the global time.\n\t\t *\n\t\t * Note: Setting this member to `0` and later back to `1` is a\n\t\t * possibility to pause/unpause all actions that are controlled by this\n\t\t * mixer.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions >| inactive actions ]\n\t\t// s a\n\t\t// <-swap->\n\t\t// a s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions |< inactive actions ]\n\t\t// a s\n\t\t// <-swap->\n\t\t// s a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, _controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t/**\n\t * Returns an instance of {@link AnimationAction} for the passed clip.\n\t *\n\t * If an action fitting the clip and root parameters doesn't yet exist, it\n\t * will be created by this method. Calling this method several times with the\n\t * same clip and root parameters always returns the same action.\n\t *\n\t * @param {AnimationClip|string} clip - An animation clip or alternatively the name of the animation clip.\n\t * @param {Object3D} [optionalRoot] - An alternative root object.\n\t * @param {(NormalAnimationBlendMode|AdditiveAnimationBlendMode)} [blendMode] - The blend mode.\n\t * @return {?AnimationAction} The animation action.\n\t */\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t/**\n\t * Returns an existing animation action for the passed clip.\n\t *\n\t * @param {AnimationClip|string} clip - An animation clip or alternatively the name of the animation clip.\n\t * @param {Object3D} [optionalRoot] - An alternative root object.\n\t * @return {?AnimationAction} The animation action. Returns `null` if no action was found.\n\t */\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t/**\n\t * Deactivates all previously scheduled actions on this mixer.\n\t *\n\t * @return {AnimationMixer} A reference to this animation mixer.\n\t */\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Advances the global mixer time and updates the animation.\n\t *\n\t * This is usually done in the render loop by passing the delta\n\t * time from {@link Clock} or {@link Timer}.\n\t *\n\t * @param {number} deltaTime - The delta time in seconds.\n\t * @return {AnimationMixer} A reference to this animation mixer.\n\t */\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the global mixer to a specific time and updates the animation accordingly.\n\t *\n\t * This is useful when you need to jump to an exact time in an animation. The\n\t * input parameter will be scaled by {@link AnimationMixer#timeScale}\n\t *\n\t * @param {number} time - The time to set in seconds.\n\t * @return {AnimationMixer} A reference to this animation mixer.\n\t */\n\tsetTime( time ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( time ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t/**\n\t * Returns this mixer's root object.\n\t *\n\t * @return {Object3D} The mixer's root object.\n\t */\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t/**\n\t * Deallocates all memory resources for a clip. Before using this method make\n\t * sure to call {@link AnimationAction#stop} for all related actions.\n\t *\n\t * @param {AnimationClip} clip - The clip to uncache.\n\t */\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Deallocates all memory resources for a root object. Before using this\n\t * method make sure to call {@link AnimationAction#stop} for all related\n\t * actions or alternatively {@link AnimationMixer#stopAllAction} when the\n\t * mixer operates on a single root.\n\t *\n\t * @param {Object3D} root - The root object to uncache.\n\t */\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Deallocates all memory resources for an action. The action is identified by the\n\t * given clip and an optional root object. Before using this method make\n\t * sure to call {@link AnimationAction#stop} to deactivate the action.\n\t *\n\t * @param {AnimationClip|string} clip - An animation clip or alternatively the name of the animation clip.\n\t * @param {Object3D} [optionalRoot] - An alternative root object.\n\t */\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Represents a 3D render target.\n *\n * @augments RenderTarget\n */\nclass RenderTarget3D extends RenderTarget {\n\n\t/**\n\t * Constructs a new 3D render target.\n\t *\n\t * @param {number} [width=1] - The width of the render target.\n\t * @param {number} [height=1] - The height of the render target.\n\t * @param {number} [depth=1] - The height of the render target.\n\t * @param {RenderTarget~Options} [options] - The configuration object.\n\t */\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isRenderTarget3D = true;\n\n\t\tthis.depth = depth;\n\n\t\t/**\n\t\t * Overwritten with a different texture type.\n\t\t *\n\t\t * @type {Data3DTexture}\n\t\t */\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\t\tthis._setTextureOptions( options );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\n/**\n * Represents a uniform which is a global shader variable. They are passed to shader programs.\n *\n * When declaring a uniform of a {@link ShaderMaterial}, it is declared by value or by object.\n * ```js\n * uniforms: {\n * \ttime: { value: 1.0 },\n * \tresolution: new Uniform( new Vector2() )\n * };\n * ```\n * Since this class can only be used in context of {@link ShaderMaterial}, it is only supported\n * in {@link WebGLRenderer}.\n */\nclass Uniform {\n\n\t/**\n\t * Constructs a new uniform.\n\t *\n\t * @param {any} value - The uniform value.\n\t */\n\tconstructor( value ) {\n\n\t\t/**\n\t\t * The uniform value.\n\t\t *\n\t\t * @type {any}\n\t\t */\n\t\tthis.value = value;\n\n\t}\n\n\t/**\n\t * Returns a new uniform with copied values from this instance.\n\t * If the value has a `clone()` method, the value is cloned as well.\n\t *\n\t * @return {Uniform} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nlet _id = 0;\n\n/**\n * A class for managing multiple uniforms in a single group. The renderer will process\n * such a definition as a single UBO.\n *\n * Since this class can only be used in context of {@link ShaderMaterial}, it is only supported\n * in {@link WebGLRenderer}.\n *\n * @augments EventDispatcher\n */\nclass UniformsGroup extends EventDispatcher {\n\n\t/**\n\t * Constructs a new uniforms group.\n\t */\n\tconstructor() {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isUniformsGroup = true;\n\n\t\t/**\n\t\t * The ID of the 3D object.\n\t\t *\n\t\t * @name UniformsGroup#id\n\t\t * @type {number}\n\t\t * @readonly\n\t\t */\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\t/**\n\t\t * The name of the uniforms group.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The buffer usage.\n\t\t *\n\t\t * @type {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)}\n\t\t * @default StaticDrawUsage\n\t\t */\n\t\tthis.usage = StaticDrawUsage;\n\n\t\t/**\n\t\t * An array holding the uniforms.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.uniforms = [];\n\n\t}\n\n\t/**\n\t * Adds the given uniform to this uniforms group.\n\t *\n\t * @param {Uniform} uniform - The uniform to add.\n\t * @return {UniformsGroup} A reference to this uniforms group.\n\t */\n\tadd( uniform ) {\n\n\t\tthis.uniforms.push( uniform );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Removes the given uniform from this uniforms group.\n\t *\n\t * @param {Uniform} uniform - The uniform to remove.\n\t * @return {UniformsGroup} A reference to this uniforms group.\n\t */\n\tremove( uniform ) {\n\n\t\tconst index = this.uniforms.indexOf( uniform );\n\n\t\tif ( index !== -1 ) this.uniforms.splice( index, 1 );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the name of this uniforms group.\n\t *\n\t * @param {string} name - The name to set.\n\t * @return {UniformsGroup} A reference to this uniforms group.\n\t */\n\tsetName( name ) {\n\n\t\tthis.name = name;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the usage of this uniforms group.\n\t *\n\t * @param {(StaticDrawUsage|DynamicDrawUsage|StreamDrawUsage|StaticReadUsage|DynamicReadUsage|StreamReadUsage|StaticCopyUsage|DynamicCopyUsage|StreamCopyUsage)} value - The usage to set.\n\t * @return {UniformsGroup} A reference to this uniforms group.\n\t */\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t *\n\t * @fires Texture#dispose\n\t */\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\t/**\n\t * Copies the values of the given uniforms group to this instance.\n\t *\n\t * @param {UniformsGroup} source - The uniforms group to copy.\n\t * @return {UniformsGroup} A reference to this uniforms group.\n\t */\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.usage = source.usage;\n\n\t\tconst uniformsSource = source.uniforms;\n\n\t\tthis.uniforms.length = 0;\n\n\t\tfor ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {\n\n\t\t\tconst uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ];\n\n\t\t\tfor ( let j = 0; j < uniforms.length; j ++ ) {\n\n\t\t\t\tthis.uniforms.push( uniforms[ j ].clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new uniforms group with copied values from this instance.\n\t *\n\t * @return {UniformsGroup} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * An instanced version of an interleaved buffer.\n *\n * @augments InterleavedBuffer\n */\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\t/**\n\t * Constructs a new instanced interleaved buffer.\n\t *\n\t * @param {TypedArray} array - A typed array with a shared buffer storing attribute data.\n\t * @param {number} stride - The number of typed-array elements per vertex.\n\t * @param {number} [meshPerAttribute=1] - Defines how often a value of this interleaved buffer should be repeated.\n\t */\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isInstancedInterleavedBuffer = true;\n\n\t\t/**\n\t\t * Defines how often a value of this buffer attribute should be repeated,\n\t\t * see {@link InstancedBufferAttribute#meshPerAttribute}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\n/**\n * An alternative version of a buffer attribute with more control over the VBO.\n *\n * The renderer does not construct a VBO for this kind of attribute. Instead, it uses\n * whatever VBO is passed in constructor and can later be altered via the `buffer` property.\n *\n * The most common use case for this class is when some kind of GPGPU calculation interferes\n * or even produces the VBOs in question.\n *\n * Notice that this class can only be used with {@link WebGLRenderer}.\n */\nclass GLBufferAttribute {\n\n\t/**\n\t * Constructs a new GL buffer attribute.\n\t *\n\t * @param {WebGLBuffer} buffer - The native WebGL buffer.\n\t * @param {number} type - The native data type (e.g. `gl.FLOAT`).\n\t * @param {number} itemSize - The item size.\n\t * @param {number} elementSize - The corresponding size (in bytes) for the given `type` parameter.\n\t * @param {number} count - The expected number of vertices in VBO.\n\t * @param {boolean} [normalized=false] - Whether the data are normalized or not.\n\t */\n\tconstructor( buffer, type, itemSize, elementSize, count, normalized = false ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isGLBufferAttribute = true;\n\n\t\t/**\n\t\t * The name of the buffer attribute.\n\t\t *\n\t\t * @type {string}\n\t\t */\n\t\tthis.name = '';\n\n\t\t/**\n\t\t * The native WebGL buffer.\n\t\t *\n\t\t * @type {WebGLBuffer}\n\t\t */\n\t\tthis.buffer = buffer;\n\n\t\t/**\n\t\t * The native data type.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.type = type;\n\n\t\t/**\n\t\t * The item size, see {@link BufferAttribute#itemSize}.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.itemSize = itemSize;\n\n\t\t/**\n\t\t * The corresponding size (in bytes) for the given `type` parameter.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.elementSize = elementSize;\n\n\t\t/**\n\t\t * The expected number of vertices in VBO.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.count = count;\n\n\t\t/**\n\t\t * Applies to integer data only. Indicates how the underlying data in the buffer maps to\n\t\t * the values in the GLSL code. For instance, if `buffer` contains data of `gl.UNSIGNED_SHORT`,\n\t\t * and `normalized` is `true`, the values `0 - +65535` in the buffer data will be mapped to\n\t\t * `0.0f - +1.0f` in the GLSL attribute. If `normalized` is `false`, the values will be converted\n\t\t * to floats unmodified, i.e. `65535` becomes `65535.0f`.\n\t\t *\n\t\t * @type {boolean}\n\t\t */\n\t\tthis.normalized = normalized;\n\n\t\t/**\n\t\t * A version number, incremented every time the `needsUpdate` is set to `true`.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.version = 0;\n\n\t}\n\n\t/**\n\t * Flag to indicate that this attribute has changed and should be re-sent to\n\t * the GPU. Set this to `true` when you modify the value of the array.\n\t *\n\t * @type {number}\n\t * @default false\n\t * @param {boolean} value\n\t */\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\t/**\n\t * Sets the given native WebGL buffer.\n\t *\n\t * @param {WebGLBuffer} buffer - The buffer to set.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given native data type and element size.\n\t *\n\t * @param {number} type - The native data type (e.g. `gl.FLOAT`).\n\t * @param {number} elementSize - The corresponding size (in bytes) for the given `type` parameter.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the item size.\n\t *\n\t * @param {number} itemSize - The item size.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the count (the expected number of vertices in VBO).\n\t *\n\t * @param {number} count - The count.\n\t * @return {BufferAttribute} A reference to this instance.\n\t */\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\n/**\n * This class is designed to assist with raycasting. Raycasting is used for\n * mouse picking (working out what objects in the 3d space the mouse is over)\n * amongst other things.\n */\nclass Raycaster {\n\n\t/**\n\t * Constructs a new raycaster.\n\t *\n\t * @param {Vector3} origin - The origin vector where the ray casts from.\n\t * @param {Vector3} direction - The (normalized) direction vector that gives direction to the ray.\n\t * @param {number} [near=0] - All results returned are further away than near. Near can't be negative.\n\t * @param {number} [far=Infinity] - All results returned are closer than far. Far can't be lower than near.\n\t */\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\t/**\n\t\t * The ray used for raycasting.\n\t\t *\n\t\t * @type {Ray}\n\t\t */\n\t\tthis.ray = new Ray( origin, direction );\n\n\t\t/**\n\t\t * All results returned are further away than near. Near can't be negative.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.near = near;\n\n\t\t/**\n\t\t * All results returned are further away than near. Near can't be negative.\n\t\t *\n\t\t * @type {number}\n\t\t * @default Infinity\n\t\t */\n\t\tthis.far = far;\n\n\t\t/**\n\t\t * The camera to use when raycasting against view-dependent objects such as\n\t\t * billboarded objects like sprites. This field can be set manually or\n\t\t * is set when calling `setFromCamera()`.\n\t\t *\n\t\t * @type {?Camera}\n\t\t * @default null\n\t\t */\n\t\tthis.camera = null;\n\n\t\t/**\n\t\t * Allows to selectively ignore 3D objects when performing intersection tests.\n\t\t * The following code example ensures that only 3D objects on layer `1` will be\n\t\t * honored by raycaster.\n\t\t * ```js\n\t\t * raycaster.layers.set( 1 );\n\t\t * object.layers.enable( 1 );\n\t\t * ```\n\t\t *\n\t\t * @type {Layers}\n\t\t */\n\t\tthis.layers = new Layers();\n\n\n\t\t/**\n\t\t * A parameter object that configures the raycasting. It has the structure:\n\t\t *\n\t\t * ```\n\t\t * {\n\t\t * \tMesh: {},\n\t\t * \tLine: { threshold: 1 },\n\t\t * \tLOD: {},\n\t\t * \tPoints: { threshold: 1 },\n\t\t * \tSprite: {}\n\t\t * }\n\t\t * ```\n\t\t * Where `threshold` is the precision of the raycaster when intersecting objects, in world units.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\t/**\n\t * Updates the ray with a new origin and direction by copying the values from the arguments.\n\t *\n\t * @param {Vector3} origin - The origin vector where the ray casts from.\n\t * @param {Vector3} direction - The (normalized) direction vector that gives direction to the ray.\n\t */\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\t/**\n\t * Uses the given coordinates and camera to compute a new origin and direction for the internal ray.\n\t *\n\t * @param {Vector2} coords - 2D coordinates of the mouse, in normalized device coordinates (NDC).\n\t * X and Y components should be between `-1` and `1`.\n\t * @param {Camera} camera - The camera from which the ray should originate.\n\t */\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, -1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\terror( 'Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Uses the given WebXR controller to compute a new origin and direction for the internal ray.\n\t *\n\t * @param {WebXRController} controller - The controller to copy the position and direction from.\n\t * @return {Raycaster} A reference to this raycaster.\n\t */\n\tsetFromXRController( controller ) {\n\n\t\t_matrix.identity().extractRotation( controller.matrixWorld );\n\n\t\tthis.ray.origin.setFromMatrixPosition( controller.matrixWorld );\n\t\tthis.ray.direction.set( 0, 0, -1 ).applyMatrix4( _matrix );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * The intersection point of a raycaster intersection test.\n\t * @typedef {Object} Raycaster~Intersection\n\t * @property {number} distance - The distance from the ray's origin to the intersection point.\n\t * @property {number} distanceToRay - Some 3D objects e.g. {@link Points} provide the distance of the\n\t * intersection to the nearest point on the ray. For other objects it will be `undefined`.\n\t * @property {Vector3} point - The intersection point, in world coordinates.\n\t * @property {Object} face - The face that has been intersected.\n\t * @property {number} faceIndex - The face index.\n\t * @property {Object3D} object - The 3D object that has been intersected.\n\t * @property {Vector2} uv - U,V coordinates at point of intersection.\n\t * @property {Vector2} uv1 - Second set of U,V coordinates at point of intersection.\n\t * @property {Vector3} uv1 - Interpolated normal vector at point of intersection.\n\t * @property {number} instanceId - The index number of the instance where the ray\n\t * intersects the {@link InstancedMesh}.\n\t */\n\n\t/**\n\t * Checks all intersection between the ray and the object with or without the\n\t * descendants. Intersections are returned sorted by distance, closest first.\n\t *\n\t * `Raycaster` delegates to the `raycast()` method of the passed 3D object, when\n\t * evaluating whether the ray intersects the object or not. This allows meshes to respond\n\t * differently to ray casting than lines or points.\n\t *\n\t * Note that for meshes, faces must be pointed towards the origin of the ray in order\n\t * to be detected; intersections of the ray passing through the back of a face will not\n\t * be detected. To raycast against both faces of an object, you'll want to set {@link Material#side}\n\t * to `THREE.DoubleSide`.\n\t *\n\t * @param {Object3D} object - The 3D object to check for intersection with the ray.\n\t * @param {boolean} [recursive=true] - If set to `true`, it also checks all descendants.\n\t * Otherwise it only checks intersection with the object.\n\t * @param {Array} [intersects=[]] The target array that holds the result of the method.\n\t * @return {Array} An array holding the intersection points.\n\t */\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersect( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\t/**\n\t * Checks all intersection between the ray and the objects with or without\n\t * the descendants. Intersections are returned sorted by distance, closest first.\n\t *\n\t * @param {Array} objects - The 3D objects to check for intersection with the ray.\n\t * @param {boolean} [recursive=true] - If set to `true`, it also checks all descendants.\n\t * Otherwise it only checks intersection with the object.\n\t * @param {Array} [intersects=[]] The target array that holds the result of the method.\n\t * @return {Array} An array holding the intersection points.\n\t */\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersect( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersect( object, raycaster, intersects, recursive ) {\n\n\tlet propagate = true;\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tconst result = object.raycast( raycaster, intersects );\n\n\t\tif ( result === false ) propagate = false;\n\n\t}\n\n\tif ( propagate === true && recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersect( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * This class is an alternative to {@link Clock} with a different API design and behavior.\n * The goal is to avoid the conceptual flaws that became apparent in `Clock` over time.\n *\n * - `Timer` has an `update()` method that updates its internal state. That makes it possible to\n * call `getDelta()` and `getElapsed()` multiple times per simulation step without getting different values.\n * - The class can make use of the Page Visibility API to avoid large time delta values when the app\n * is inactive (e.g. tab switched or browser hidden).\n *\n * ```js\n * const timer = new Timer();\n * timer.connect( document ); // use Page Visibility API\n * ```\n */\nclass Timer {\n\n\t/**\n\t * Constructs a new timer.\n\t */\n\tconstructor() {\n\n\t\tthis._previousTime = 0;\n\t\tthis._currentTime = 0;\n\t\tthis._startTime = performance.now();\n\n\t\tthis._delta = 0;\n\t\tthis._elapsed = 0;\n\n\t\tthis._timescale = 1;\n\n\t\tthis._document = null;\n\t\tthis._pageVisibilityHandler = null;\n\n\t}\n\n\t/**\n\t * Connect the timer to the given document.Calling this method is not mandatory to\n\t * use the timer but enables the usage of the Page Visibility API to avoid large time\n\t * delta values.\n\t *\n\t * @param {Document} document - The document.\n\t */\n\tconnect( document ) {\n\n\t\tthis._document = document;\n\n\t\t// use Page Visibility API to avoid large time delta values\n\n\t\tif ( document.hidden !== undefined ) {\n\n\t\t\tthis._pageVisibilityHandler = handleVisibilityChange.bind( this );\n\n\t\t\tdocument.addEventListener( 'visibilitychange', this._pageVisibilityHandler, false );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disconnects the timer from the DOM and also disables the usage of the Page Visibility API.\n\t */\n\tdisconnect() {\n\n\t\tif ( this._pageVisibilityHandler !== null ) {\n\n\t\t\tthis._document.removeEventListener( 'visibilitychange', this._pageVisibilityHandler );\n\t\t\tthis._pageVisibilityHandler = null;\n\n\t\t}\n\n\t\tthis._document = null;\n\n\t}\n\n\t/**\n\t * Returns the time delta in seconds.\n\t *\n\t * @return {number} The time delta in second.\n\t */\n\tgetDelta() {\n\n\t\treturn this._delta / 1000;\n\n\t}\n\n\t/**\n\t * Returns the elapsed time in seconds.\n\t *\n\t * @return {number} The elapsed time in second.\n\t */\n\tgetElapsed() {\n\n\t\treturn this._elapsed / 1000;\n\n\t}\n\n\t/**\n\t * Returns the timescale.\n\t *\n\t * @return {number} The timescale.\n\t */\n\tgetTimescale() {\n\n\t\treturn this._timescale;\n\n\t}\n\n\t/**\n\t * Sets the given timescale which scale the time delta computation\n\t * in `update()`.\n\t *\n\t * @param {number} timescale - The timescale to set.\n\t * @return {Timer} A reference to this timer.\n\t */\n\tsetTimescale( timescale ) {\n\n\t\tthis._timescale = timescale;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Resets the time computation for the current simulation step.\n\t *\n\t * @return {Timer} A reference to this timer.\n\t */\n\treset() {\n\n\t\tthis._currentTime = performance.now() - this._startTime;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Can be used to free all internal resources. Usually called when\n\t * the timer instance isn't required anymore.\n\t */\n\tdispose() {\n\n\t\tthis.disconnect();\n\n\t}\n\n\t/**\n\t * Updates the internal state of the timer. This method should be called\n\t * once per simulation step and before you perform queries against the timer\n\t * (e.g. via `getDelta()`).\n\t *\n\t * @param {number} timestamp - The current time in milliseconds. Can be obtained\n\t * from the `requestAnimationFrame` callback argument. If not provided, the current\n\t * time will be determined with `performance.now`.\n\t * @return {Timer} A reference to this timer.\n\t */\n\tupdate( timestamp ) {\n\n\t\tif ( this._pageVisibilityHandler !== null && this._document.hidden === true ) {\n\n\t\t\tthis._delta = 0;\n\n\t\t} else {\n\n\t\t\tthis._previousTime = this._currentTime;\n\t\t\tthis._currentTime = ( timestamp !== undefined ? timestamp : performance.now() ) - this._startTime;\n\n\t\t\tthis._delta = ( this._currentTime - this._previousTime ) * this._timescale;\n\t\t\tthis._elapsed += this._delta; // _elapsed is the accumulation of all previous deltas\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction handleVisibilityChange() {\n\n\tif ( this._document.hidden === false ) this.reset();\n\n}\n\n/**\n * This class can be used to represent points in 3D space as\n * [Spherical coordinates](https://en.wikipedia.org/wiki/Spherical_coordinate_system).\n */\nclass Spherical {\n\n\t/**\n\t * Constructs a new spherical.\n\t *\n\t * @param {number} [radius=1] - The radius, or the Euclidean distance (straight-line distance) from the point to the origin.\n\t * @param {number} [phi=0] - The polar angle in radians from the y (up) axis.\n\t * @param {number} [theta=0] - The equator/azimuthal angle in radians around the y (up) axis.\n\t */\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\t/**\n\t\t * The radius, or the Euclidean distance (straight-line distance) from the point to the origin.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.radius = radius;\n\n\t\t/**\n\t\t * The polar angle in radians from the y (up) axis.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.phi = phi;\n\n\t\t/**\n\t\t * The equator/azimuthal angle in radians around the y (up) axis.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.theta = theta;\n\n\t}\n\n\t/**\n\t * Sets the spherical components by copying the given values.\n\t *\n\t * @param {number} radius - The radius.\n\t * @param {number} phi - The polar angle.\n\t * @param {number} theta - The azimuthal angle.\n\t * @return {Spherical} A reference to this spherical.\n\t */\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the values of the given spherical to this instance.\n\t *\n\t * @param {Spherical} other - The spherical to copy.\n\t * @return {Spherical} A reference to this spherical.\n\t */\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Restricts the polar angle [page:.phi phi] to be between `0.000001` and pi -\n\t * `0.000001`.\n\t *\n\t * @return {Spherical} A reference to this spherical.\n\t */\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = clamp( this.phi, EPS, Math.PI - EPS );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the spherical components from the given vector which is assumed to hold\n\t * Cartesian coordinates.\n\t *\n\t * @param {Vector3} v - The vector to set.\n\t * @return {Spherical} A reference to this spherical.\n\t */\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\t/**\n\t * Sets the spherical components from the given Cartesian coordinates.\n\t *\n\t * @param {number} x - The x value.\n\t * @param {number} y - The y value.\n\t * @param {number} z - The z value.\n\t * @return {Spherical} A reference to this spherical.\n\t */\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, -1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new spherical with copied values from this instance.\n\t *\n\t * @return {Spherical} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * This class can be used to represent points in 3D space as\n * [Cylindrical coordinates](https://en.wikipedia.org/wiki/Cylindrical_coordinate_system).\n */\nclass Cylindrical {\n\n\t/**\n\t * Constructs a new cylindrical.\n\t *\n\t * @param {number} [radius=1] - The distance from the origin to a point in the x-z plane.\n\t * @param {number} [theta=0] - A counterclockwise angle in the x-z plane measured in radians from the positive z-axis.\n\t * @param {number} [y=0] - The height above the x-z plane.\n\t */\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\t/**\n\t\t * The distance from the origin to a point in the x-z plane.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.radius = radius;\n\n\t\t/**\n\t\t * A counterclockwise angle in the x-z plane measured in radians from the positive z-axis.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.theta = theta;\n\n\t\t/**\n\t\t * The height above the x-z plane.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.y = y;\n\n\t}\n\n\t/**\n\t * Sets the cylindrical components by copying the given values.\n\t *\n\t * @param {number} radius - The radius.\n\t * @param {number} theta - The theta angle.\n\t * @param {number} y - The height value.\n\t * @return {Cylindrical} A reference to this cylindrical.\n\t */\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the values of the given cylindrical to this instance.\n\t *\n\t * @param {Cylindrical} other - The cylindrical to copy.\n\t * @return {Cylindrical} A reference to this cylindrical.\n\t */\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the cylindrical components from the given vector which is assumed to hold\n\t * Cartesian coordinates.\n\t *\n\t * @param {Vector3} v - The vector to set.\n\t * @return {Cylindrical} A reference to this cylindrical.\n\t */\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\t/**\n\t * Sets the cylindrical components from the given Cartesian coordinates.\n\t *\n\t * @param {number} x - The x value.\n\t * @param {number} y - The x value.\n\t * @param {number} z - The x value.\n\t * @return {Cylindrical} A reference to this cylindrical.\n\t */\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new cylindrical with copied values from this instance.\n\t *\n\t * @return {Cylindrical} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Represents a 2x2 matrix.\n *\n * A Note on Row-Major and Column-Major Ordering:\n *\n * The constructor and {@link Matrix2#set} method take arguments in\n * [row-major](https://en.wikipedia.org/wiki/Row-_and_column-major_order#Column-major_order)\n * order, while internally they are stored in the {@link Matrix2#elements} array in column-major order.\n * This means that calling:\n * ```js\n * const m = new THREE.Matrix2();\n * m.set( 11, 12,\n * 21, 22 );\n * ```\n * will result in the elements array containing:\n * ```js\n * m.elements = [ 11, 21,\n * 12, 22 ];\n * ```\n * and internally all calculations are performed using column-major ordering.\n * However, as the actual ordering makes no difference mathematically and\n * most people are used to thinking about matrices in row-major order, the\n * three.js documentation shows matrices in row-major order. Just bear in\n * mind that if you are reading the source code, you'll have to take the\n * transpose of any matrices outlined here to make sense of the calculations.\n */\nclass Matrix2 {\n\n\t/**\n\t * Constructs a new 2x2 matrix. The arguments are supposed to be\n\t * in row-major order. If no arguments are provided, the constructor\n\t * initializes the matrix as an identity matrix.\n\t *\n\t * @param {number} [n11] - 1-1 matrix element.\n\t * @param {number} [n12] - 1-2 matrix element.\n\t * @param {number} [n21] - 2-1 matrix element.\n\t * @param {number} [n22] - 2-2 matrix element.\n\t */\n\tconstructor( n11, n12, n21, n22 ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tMatrix2.prototype.isMatrix2 = true;\n\n\t\t/**\n\t\t * A column-major list of matrix values.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.elements = [\n\t\t\t1, 0,\n\t\t\t0, 1,\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n21, n22 );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Sets this matrix to the 2x2 identity matrix.\n\t *\n\t * @return {Matrix2} A reference to this matrix.\n\t */\n\tidentity() {\n\n\t\tthis.set(\n\t\t\t1, 0,\n\t\t\t0, 1,\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the elements of the matrix from the given array.\n\t *\n\t * @param {Array} array - The matrix elements in column-major order.\n\t * @param {number} [offset=0] - Index of the first element in the array.\n\t * @return {Matrix2} A reference to this matrix.\n\t */\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the elements of the matrix.The arguments are supposed to be\n\t * in row-major order.\n\t *\n\t * @param {number} n11 - 1-1 matrix element.\n\t * @param {number} n12 - 1-2 matrix element.\n\t * @param {number} n21 - 2-1 matrix element.\n\t * @param {number} n22 - 2-2 matrix element.\n\t * @return {Matrix2} A reference to this matrix.\n\t */\n\tset( n11, n12, n21, n22 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 2 ] = n12;\n\t\tte[ 1 ] = n21; te[ 3 ] = n22;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\n/**\n * Represents an axis-aligned bounding box (AABB) in 2D space.\n */\nclass Box2 {\n\n\t/**\n\t * Constructs a new bounding box.\n\t *\n\t * @param {Vector2} [min=(Infinity,Infinity)] - A vector representing the lower boundary of the box.\n\t * @param {Vector2} [max=(-Infinity,-Infinity)] - A vector representing the upper boundary of the box.\n\t */\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isBox2 = true;\n\n\t\t/**\n\t\t * The lower boundary of the box.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.min = min;\n\n\t\t/**\n\t\t * The upper boundary of the box.\n\t\t *\n\t\t * @type {Vector2}\n\t\t */\n\t\tthis.max = max;\n\n\t}\n\n\t/**\n\t * Sets the lower and upper boundaries of this box.\n\t * Please note that this method only copies the values from the given objects.\n\t *\n\t * @param {Vector2} min - The lower boundary of the box.\n\t * @param {Vector2} max - The upper boundary of the box.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the upper and lower bounds of this box so it encloses the position data\n\t * in the given array.\n\t *\n\t * @param {Array} points - An array holding 2D position data as instances of {@link Vector2}.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Centers this box on the given center vector and sets this box's width, height and\n\t * depth to the given size values.\n\t *\n\t * @param {Vector2} center - The center of the box.\n\t * @param {Vector2} size - The x and y dimensions of the box.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns a new box with copied values from this instance.\n\t *\n\t * @return {Box2} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\t/**\n\t * Copies the values of the given box to this instance.\n\t *\n\t * @param {Box2} box - The box to copy.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Makes this box empty which means in encloses a zero space in 2D.\n\t *\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns true if this box includes zero points within its bounds.\n\t * Note that a box with equal lower and upper bounds still includes one\n\t * point, the one both bounds share.\n\t *\n\t * @return {boolean} Whether this box is empty or not.\n\t */\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\t/**\n\t * Returns the center point of this box.\n\t *\n\t * @param {Vector2} target - The target vector that is used to store the method's result.\n\t * @return {Vector2} The center point.\n\t */\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\t/**\n\t * Returns the dimensions of this box.\n\t *\n\t * @param {Vector2} target - The target vector that is used to store the method's result.\n\t * @return {Vector2} The size.\n\t */\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\t/**\n\t * Expands the boundaries of this box to include the given point.\n\t *\n\t * @param {Vector2} point - The point that should be included by the bounding box.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Expands this box equilaterally by the given vector. The width of this\n\t * box will be expanded by the x component of the vector in both\n\t * directions. The height of this box will be expanded by the y component of\n\t * the vector in both directions.\n\t *\n\t * @param {Vector2} vector - The vector that should expand the bounding box.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Expands each dimension of the box by the given scalar. If negative, the\n\t * dimensions of the box will be contracted.\n\t *\n\t * @param {number} scalar - The scalar value that should expand the bounding box.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if the given point lies within or on the boundaries of this box.\n\t *\n\t * @param {Vector2} point - The point to test.\n\t * @return {boolean} Whether the bounding box contains the given point or not.\n\t */\n\tcontainsPoint( point ) {\n\n\t\treturn point.x >= this.min.x && point.x <= this.max.x &&\n\t\t\tpoint.y >= this.min.y && point.y <= this.max.y;\n\n\t}\n\n\t/**\n\t * Returns `true` if this bounding box includes the entirety of the given bounding box.\n\t * If this box and the given one are identical, this function also returns `true`.\n\t *\n\t * @param {Box2} box - The bounding box to test.\n\t * @return {boolean} Whether the bounding box contains the given bounding box or not.\n\t */\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\t/**\n\t * Returns a point as a proportion of this box's width and height.\n\t *\n\t * @param {Vector2} point - A point in 2D space.\n\t * @param {Vector2} target - The target vector that is used to store the method's result.\n\t * @return {Vector2} A point as a proportion of this box's width and height.\n\t */\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\t/**\n\t * Returns `true` if the given bounding box intersects with this bounding box.\n\t *\n\t * @param {Box2} box - The bounding box to test.\n\t * @return {boolean} Whether the given bounding box intersects with this bounding box.\n\t */\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x >= this.min.x && box.min.x <= this.max.x &&\n\t\t\tbox.max.y >= this.min.y && box.min.y <= this.max.y;\n\n\t}\n\n\t/**\n\t * Clamps the given point within the bounds of this box.\n\t *\n\t * @param {Vector2} point - The point to clamp.\n\t * @param {Vector2} target - The target vector that is used to store the method's result.\n\t * @return {Vector2} The clamped point.\n\t */\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\t/**\n\t * Returns the euclidean distance from any edge of this box to the specified point. If\n\t * the given point lies inside of this box, the distance will be `0`.\n\t *\n\t * @param {Vector2} point - The point to compute the distance to.\n\t * @return {number} The euclidean distance.\n\t */\n\tdistanceToPoint( point ) {\n\n\t\treturn this.clampPoint( point, _vector$4 ).distanceTo( point );\n\n\t}\n\n\t/**\n\t * Computes the intersection of this bounding box and the given one, setting the upper\n\t * bound of this box to the lesser of the two boxes' upper bounds and the\n\t * lower bound of this box to the greater of the two boxes' lower bounds. If\n\t * there's no overlap, makes this box empty.\n\t *\n\t * @param {Box2} box - The bounding box to intersect with.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Computes the union of this box and another and the given one, setting the upper\n\t * bound of this box to the greater of the two boxes' upper bounds and the\n\t * lower bound of this box to the lesser of the two boxes' lower bounds.\n\t *\n\t * @param {Box2} box - The bounding box that will be unioned with this instance.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds the given offset to both the upper and lower bounds of this bounding box,\n\t * effectively moving it in 2D space.\n\t *\n\t * @param {Vector2} offset - The offset that should be used to translate the bounding box.\n\t * @return {Box2} A reference to this bounding box.\n\t */\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this bounding box is equal with the given one.\n\t *\n\t * @param {Box2} box - The box to test for equality.\n\t * @return {boolean} Whether this bounding box is equal with the given one.\n\t */\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nconst _d1 = /*@__PURE__*/ new Vector3();\nconst _d2 = /*@__PURE__*/ new Vector3();\nconst _r = /*@__PURE__*/ new Vector3();\nconst _c1 = /*@__PURE__*/ new Vector3();\nconst _c2 = /*@__PURE__*/ new Vector3();\n\n/**\n * An analytical line segment in 3D space represented by a start and end point.\n */\nclass Line3 {\n\n\t/**\n\t * Constructs a new line segment.\n\t *\n\t * @param {Vector3} [start=(0,0,0)] - Start of the line segment.\n\t * @param {Vector3} [end=(0,0,0)] - End of the line segment.\n\t */\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\t/**\n\t\t * Start of the line segment.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.start = start;\n\n\t\t/**\n\t\t * End of the line segment.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.end = end;\n\n\t}\n\n\t/**\n\t * Sets the start and end values by copying the given vectors.\n\t *\n\t * @param {Vector3} start - The start point.\n\t * @param {Vector3} end - The end point.\n\t * @return {Line3} A reference to this line segment.\n\t */\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Copies the values of the given line segment to this instance.\n\t *\n\t * @param {Line3} line - The line segment to copy.\n\t * @return {Line3} A reference to this line segment.\n\t */\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns the center of the line segment.\n\t *\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The center point.\n\t */\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\t/**\n\t * Returns the delta vector of the line segment's start and end point.\n\t *\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The delta vector.\n\t */\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\t/**\n\t * Returns the squared Euclidean distance between the line' start and end point.\n\t *\n\t * @return {number} The squared Euclidean distance.\n\t */\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\t/**\n\t * Returns the Euclidean distance between the line' start and end point.\n\t *\n\t * @return {number} The Euclidean distance.\n\t */\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\t/**\n\t * Returns a vector at a certain position along the line segment.\n\t *\n\t * @param {number} t - A value between `[0,1]` to represent a position along the line segment.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The delta vector.\n\t */\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\t/**\n\t * Returns a point parameter based on the closest point as projected on the line segment.\n\t *\n\t * @param {Vector3} point - The point for which to return a point parameter.\n\t * @param {boolean} clampToLine - Whether to clamp the result to the range `[0,1]` or not.\n\t * @return {number} The point parameter.\n\t */\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\t/**\n\t * Returns the closest point on the line for a given point.\n\t *\n\t * @param {Vector3} point - The point to compute the closest point on the line for.\n\t * @param {boolean} clampToLine - Whether to clamp the result to the range `[0,1]` or not.\n\t * @param {Vector3} target - The target vector that is used to store the method's result.\n\t * @return {Vector3} The closest point on the line.\n\t */\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\t/**\n\t * Returns the closest squared distance between this line segment and the given one.\n\t *\n\t * @param {Line3} line - The line segment to compute the closest squared distance to.\n\t * @param {Vector3} [c1] - The closest point on this line segment.\n\t * @param {Vector3} [c2] - The closest point on the given line segment.\n\t * @return {number} The squared distance between this line segment and the given one.\n\t */\n\tdistanceSqToLine3( line, c1 = _c1, c2 = _c2 ) {\n\n\t\t// from Real-Time Collision Detection by Christer Ericson, chapter 5.1.9\n\n\t\t// Computes closest points C1 and C2 of S1(s)=P1+s*(Q1-P1) and\n\t\t// S2(t)=P2+t*(Q2-P2), returning s and t. Function result is squared\n\t\t// distance between between S1(s) and S2(t)\n\n\t\tconst EPSILON = 1e-8 * 1e-8; // must be squared since we compare squared length\n\t\tlet s, t;\n\n\t\tconst p1 = this.start;\n\t\tconst p2 = line.start;\n\t\tconst q1 = this.end;\n\t\tconst q2 = line.end;\n\n\t\t_d1.subVectors( q1, p1 ); // Direction vector of segment S1\n\t\t_d2.subVectors( q2, p2 ); // Direction vector of segment S2\n\t\t_r.subVectors( p1, p2 );\n\n\t\tconst a = _d1.dot( _d1 ); // Squared length of segment S1, always nonnegative\n\t\tconst e = _d2.dot( _d2 ); // Squared length of segment S2, always nonnegative\n\t\tconst f = _d2.dot( _r );\n\n\t\t// Check if either or both segments degenerate into points\n\n\t\tif ( a <= EPSILON && e <= EPSILON ) {\n\n\t\t\t// Both segments degenerate into points\n\n\t\t\tc1.copy( p1 );\n\t\t\tc2.copy( p2 );\n\n\t\t\tc1.sub( c2 );\n\n\t\t\treturn c1.dot( c1 );\n\n\t\t}\n\n\t\tif ( a <= EPSILON ) {\n\n\t\t\t// First segment degenerates into a point\n\n\t\t\ts = 0;\n\t\t\tt = f / e; // s = 0 => t = (b*s + f) / e = f / e\n\t\t\tt = clamp( t, 0, 1 );\n\n\n\t\t} else {\n\n\t\t\tconst c = _d1.dot( _r );\n\n\t\t\tif ( e <= EPSILON ) {\n\n\t\t\t\t// Second segment degenerates into a point\n\n\t\t\t\tt = 0;\n\t\t\t\ts = clamp( - c / a, 0, 1 ); // t = 0 => s = (b*t - c) / a = -c / a\n\n\t\t\t} else {\n\n\t\t\t\t// The general nondegenerate case starts here\n\n\t\t\t\tconst b = _d1.dot( _d2 );\n\t\t\t\tconst denom = a * e - b * b; // Always nonnegative\n\n\t\t\t\t// If segments not parallel, compute closest point on L1 to L2 and\n\t\t\t\t// clamp to segment S1. Else pick arbitrary s (here 0)\n\n\t\t\t\tif ( denom !== 0 ) {\n\n\t\t\t\t\ts = clamp( ( b * f - c * e ) / denom, 0, 1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\ts = 0;\n\n\t\t\t\t}\n\n\t\t\t\t// Compute point on L2 closest to S1(s) using\n\t\t\t\t// t = Dot((P1 + D1*s) - P2,D2) / Dot(D2,D2) = (b*s + f) / e\n\n\t\t\t\tt = ( b * s + f ) / e;\n\n\t\t\t\t// If t in [0,1] done. Else clamp t, recompute s for the new value\n\t\t\t\t// of t using s = Dot((P2 + D2*t) - P1,D1) / Dot(D1,D1)= (t*b - c) / a\n\t\t\t\t// and clamp s to [0, 1]\n\n\t\t\t\tif ( t < 0 ) {\n\n\t\t\t\t\tt = 0.;\n\t\t\t\t\ts = clamp( - c / a, 0, 1 );\n\n\t\t\t\t} else if ( t > 1 ) {\n\n\t\t\t\t\tt = 1;\n\t\t\t\t\ts = clamp( ( b - c ) / a, 0, 1 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tc1.copy( p1 ).add( _d1.multiplyScalar( s ) );\n\t\tc2.copy( p2 ).add( _d2.multiplyScalar( t ) );\n\n\t\tc1.sub( c2 );\n\n\t\treturn c1.dot( c1 );\n\n\t}\n\n\t/**\n\t * Applies a 4x4 transformation matrix to this line segment.\n\t *\n\t * @param {Matrix4} matrix - The transformation matrix.\n\t * @return {Line3} A reference to this line segment.\n\t */\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Returns `true` if this line segment is equal with the given one.\n\t *\n\t * @param {Line3} line - The line segment to test for equality.\n\t * @return {boolean} Whether this line segment is equal with the given one.\n\t */\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\t/**\n\t * Returns a new line segment with copied values from this instance.\n\t *\n\t * @return {Line3} A clone of this instance.\n\t */\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\n/**\n * This displays a cone shaped helper object for a {@link SpotLight}.\n *\n * ```js\n * const spotLight = new THREE.SpotLight( 0xffffff );\n * spotLight.position.set( 10, 10, 10 );\n * scene.add( spotLight );\n *\n * const spotLightHelper = new THREE.SpotLightHelper( spotLight );\n * scene.add( spotLightHelper );\n * ```\n *\n * @augments Object3D\n */\nclass SpotLightHelper extends Object3D {\n\n\t/**\n\t * Constructs a new spot light helper.\n\t *\n\t * @param {HemisphereLight} light - The light to be visualized.\n\t * @param {number|Color|string} [color] - The helper's color. If not set, the helper will take\n\t * the color of the light.\n\t */\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * The light being visualized.\n\t\t *\n\t\t * @type {SpotLight}\n\t\t */\n\t\tthis.light = light;\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/**\n\t\t * The color parameter passed in the constructor.\n\t\t * If not set, the helper will take the color of the light.\n\t\t *\n\t\t * @type {number|Color|string}\n\t\t */\n\t\tthis.color = color;\n\n\t\tthis.type = 'SpotLightHelper';\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t-1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, -1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\t/**\n\t * Updates the helper to match the position and direction of the\n\t * light being visualized.\n\t */\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\t\tthis.light.target.updateWorldMatrix( true, false );\n\n\t\t// update the local matrix based on the parent and light target transforms\n\t\tif ( this.parent ) {\n\n\t\t\tthis.parent.updateWorldMatrix( true );\n\n\t\t\tthis.matrix\n\t\t\t\t.copy( this.parent.matrixWorld )\n\t\t\t\t.invert()\n\t\t\t\t.multiply( this.light.matrixWorld );\n\n\t\t} else {\n\n\t\t\tthis.matrix.copy( this.light.matrixWorld );\n\n\t\t}\n\n\t\tthis.matrixWorld.copy( this.light.matrixWorld );\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n/**\n * A helper object to assist with visualizing a {@link Skeleton}.\n *\n * ```js\n * const helper = new THREE.SkeletonHelper( skinnedMesh );\n * scene.add( helper );\n * ```\n *\n * @augments LineSegments\n */\nclass SkeletonHelper extends LineSegments {\n\n\t/**\n\t * Constructs a new skeleton helper.\n\t *\n\t * @param {Object3D} object - Usually an instance of {@link SkinnedMesh}. However, any 3D object\n\t * can be used if it represents a hierarchy of bones (see {@link Bone}).\n\t */\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( 0, 0, 0 );\n\t\t\t\tcolors.push( 0, 0, 0 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.type = 'SkeletonHelper';\n\n\t\t/**\n\t\t * The object being visualized.\n\t\t *\n\t\t * @type {Object3D}\n\t\t */\n\t\tthis.root = object;\n\n\t\t/**\n\t\t * The list of bones that the helper visualizes.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t// colors\n\n\t\tconst color1 = new Color( 0x0000ff );\n\t\tconst color2 = new Color( 0x00ff00 );\n\n\t\tthis.setColors( color1, color2 );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\t/**\n\t * Defines the colors of the helper.\n\t *\n\t * @param {Color} color1 - The first line color for each bone.\n\t * @param {Color} color2 - The second line color for each bone.\n\t * @return {SkeletonHelper} A reference to this helper.\n\t */\n\tsetColors( color1, color2 ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst colorAttribute = geometry.getAttribute( 'color' );\n\n\t\tfor ( let i = 0; i < colorAttribute.count; i += 2 ) {\n\n\t\t\tcolorAttribute.setXYZ( i, color1.r, color1.g, color1.b );\n\t\t\tcolorAttribute.setXYZ( i + 1, color2.r, color2.g, color2.b );\n\n\t\t}\n\n\t\tcolorAttribute.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object.isBone === true ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push( ...getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\n/**\n * This displays a helper object consisting of a spherical mesh for\n * visualizing an instance of {@link PointLight}.\n *\n * ```js\n * const pointLight = new THREE.PointLight( 0xff0000, 1, 100 );\n * pointLight.position.set( 10, 10, 10 );\n * scene.add( pointLight );\n *\n * const sphereSize = 1;\n * const pointLightHelper = new THREE.PointLightHelper( pointLight, sphereSize );\n * scene.add( pointLightHelper );\n * ```\n *\n * @augments Mesh\n */\nclass PointLightHelper extends Mesh {\n\n\t/**\n\t * Constructs a new point light helper.\n\t *\n\t * @param {PointLight} light - The light to be visualized.\n\t * @param {number} [sphereSize=1] - The size of the sphere helper.\n\t * @param {number|Color|string} [color] - The helper's color. If not set, the helper will take\n\t * the color of the light.\n\t */\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\t/**\n\t\t * The light being visualized.\n\t\t *\n\t\t * @type {HemisphereLight}\n\t\t */\n\t\tthis.light = light;\n\n\t\t/**\n\t\t * The color parameter passed in the constructor.\n\t\t * If not set, the helper will take the color of the light.\n\t\t *\n\t\t * @type {number|Color|string}\n\t\t */\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\t/**\n\t * Updates the helper to match the position of the\n\t * light being visualized.\n\t */\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\n/**\n * Creates a visual aid consisting of a spherical mesh for a\n * given {@link HemisphereLight}.\n *\n * ```js\n * const light = new THREE.HemisphereLight( 0xffffbb, 0x080820, 1 );\n * const helper = new THREE.HemisphereLightHelper( light, 5 );\n * scene.add( helper );\n * ```\n *\n * @augments Object3D\n */\nclass HemisphereLightHelper extends Object3D {\n\n\t/**\n\t * Constructs a new hemisphere light helper.\n\t *\n\t * @param {HemisphereLight} light - The light to be visualized.\n\t * @param {number} [size=1] - The size of the mesh used to visualize the light.\n\t * @param {number|Color|string} [color] - The helper's color. If not set, the helper will take\n\t * the color of the light.\n\t */\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * The light being visualized.\n\t\t *\n\t\t * @type {HemisphereLight}\n\t\t */\n\t\tthis.light = light;\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/**\n\t\t * The color parameter passed in the constructor.\n\t\t * If not set, the helper will take the color of the light.\n\t\t *\n\t\t * @type {number|Color|string}\n\t\t */\n\t\tthis.color = color;\n\n\t\tthis.type = 'HemisphereLightHelper';\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\t/**\n\t * Updates the helper to match the position and direction of the\n\t * light being visualized.\n\t */\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\n/**\n * The helper is an object to define grids. Grids are two-dimensional\n * arrays of lines.\n *\n * ```js\n * const size = 10;\n * const divisions = 10;\n *\n * const gridHelper = new THREE.GridHelper( size, divisions );\n * scene.add( gridHelper );\n * ```\n *\n * @augments LineSegments\n */\nclass GridHelper extends LineSegments {\n\n\t/**\n\t * Constructs a new grid helper.\n\t *\n\t * @param {number} [size=10] - The size of the grid.\n\t * @param {number} [divisions=10] - The number of divisions across the grid.\n\t * @param {number|Color|string} [color1=0x444444] - The color of the center line.\n\t * @param {number|Color|string} [color2=0x888888] - The color of the lines of the grid.\n\t */\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n/**\n * This helper is an object to define polar grids. Grids are\n * two-dimensional arrays of lines.\n *\n * ```js\n * const radius = 10;\n * const sectors = 16;\n * const rings = 8;\n * const divisions = 64;\n *\n * const helper = new THREE.PolarGridHelper( radius, sectors, rings, divisions );\n * scene.add( helper );\n * ```\n *\n * @augments LineSegments\n */\nclass PolarGridHelper extends LineSegments {\n\n\t/**\n\t * Constructs a new polar grid helper.\n\t *\n\t * @param {number} [radius=10] - The radius of the polar grid. This can be any positive number.\n\t * @param {number} [sectors=16] - The number of sectors the grid will be divided into. This can be any positive integer.\n\t * @param {number} [rings=16] - The number of rings. This can be any positive integer.\n\t * @param {number} [divisions=64] - The number of line segments used for each circle. This can be any positive integer.\n\t * @param {number|Color|string} [color1=0x444444] - The first color used for grid elements.\n\t * @param {number|Color|string} [color2=0x888888] - The second color used for grid elements.\n\t */\n\tconstructor( radius = 10, sectors = 16, rings = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the sectors\n\n\t\tif ( sectors > 1 ) {\n\n\t\t\tfor ( let i = 0; i < sectors; i ++ ) {\n\n\t\t\t\tconst v = ( i / sectors ) * ( Math.PI * 2 );\n\n\t\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( x, 0, z );\n\n\t\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// create the rings\n\n\t\tfor ( let i = 0; i < rings; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / rings * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\n/**\n * Helper object to assist with visualizing a {@link DirectionalLight}'s\n * effect on the scene. This consists of plane and a line representing the\n * light's position and direction.\n *\n * ```js\n * const light = new THREE.DirectionalLight( 0xFFFFFF );\n * scene.add( light );\n *\n * const helper = new THREE.DirectionalLightHelper( light, 5 );\n * scene.add( helper );\n * ```\n *\n * @augments Object3D\n */\nclass DirectionalLightHelper extends Object3D {\n\n\t/**\n\t * Constructs a new directional light helper.\n\t *\n\t * @param {DirectionalLight} light - The light to be visualized.\n\t * @param {number} [size=1] - The dimensions of the plane.\n\t * @param {number|Color|string} [color] - The helper's color. If not set, the helper will take\n\t * the color of the light.\n\t */\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * The light being visualized.\n\t\t *\n\t\t * @type {DirectionalLight}\n\t\t */\n\t\tthis.light = light;\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/**\n\t\t * The color parameter passed in the constructor.\n\t\t * If not set, the helper will take the color of the light.\n\t\t *\n\t\t * @type {number|Color|string}\n\t\t */\n\t\tthis.color = color;\n\n\t\tthis.type = 'DirectionalLightHelper';\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\t/**\n\t\t * Contains the line showing the location of the directional light.\n\t\t *\n\t\t * @type {Line}\n\t\t */\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\t/**\n\t\t * Represents the target line of the directional light.\n\t\t *\n\t\t * @type {Line}\n\t\t */\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\t/**\n\t * Updates the helper to match the position and direction of the\n\t * light being visualized.\n\t */\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\t\tthis.light.target.updateWorldMatrix( true, false );\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n * This helps with visualizing what a camera contains in its frustum. It\n * visualizes the frustum of a camera using a line segments.\n *\n * Based on frustum visualization in [lightgl.js shadowmap example](https://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html).\n *\n * `CameraHelper` must be a child of the scene.\n *\n * ```js\n * const camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 0.1, 1000 );\n * const helper = new THREE.CameraHelper( camera );\n * scene.add( helper );\n * ```\n *\n * @augments LineSegments\n */\nclass CameraHelper extends LineSegments {\n\n\t/**\n\t * Constructs a new arrow helper.\n\t *\n\t * @param {Camera} camera - The camera to visualize.\n\t */\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2' );\n\t\taddLine( 'n2', 'n4' );\n\t\taddLine( 'n4', 'n3' );\n\t\taddLine( 'n3', 'n1' );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2' );\n\t\taddLine( 'f2', 'f4' );\n\t\taddLine( 'f4', 'f3' );\n\t\taddLine( 'f3', 'f1' );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1' );\n\t\taddLine( 'n2', 'f2' );\n\t\taddLine( 'n3', 'f3' );\n\t\taddLine( 'n4', 'f4' );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1' );\n\t\taddLine( 'p', 'n2' );\n\t\taddLine( 'p', 'n3' );\n\t\taddLine( 'p', 'n4' );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2' );\n\t\taddLine( 'u2', 'u3' );\n\t\taddLine( 'u3', 'u1' );\n\n\t\t// target\n\n\t\taddLine( 'c', 't' );\n\t\taddLine( 'p', 'c' );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2' );\n\t\taddLine( 'cn3', 'cn4' );\n\n\t\taddLine( 'cf1', 'cf2' );\n\t\taddLine( 'cf3', 'cf4' );\n\n\t\tfunction addLine( a, b ) {\n\n\t\t\taddPoint( a );\n\t\t\taddPoint( b );\n\n\t\t}\n\n\t\tfunction addPoint( id ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( 0, 0, 0 );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\t/**\n\t\t * The camera being visualized.\n\t\t *\n\t\t * @type {Camera}\n\t\t */\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\t/**\n\t\t * This contains the points used to visualize the camera.\n\t\t *\n\t\t * @type {Object>}\n\t\t */\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\tthis.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross );\n\n\t}\n\n\t/**\n\t * Defines the colors of the helper.\n\t *\n\t * @param {Color} frustum - The frustum line color.\n\t * @param {Color} cone - The cone line color.\n\t * @param {Color} up - The up line color.\n\t * @param {Color} target - The target line color.\n\t * @param {Color} cross - The cross line color.\n\t * @return {CameraHelper} A reference to this helper.\n\t */\n\tsetColors( frustum, cone, up, target, cross ) {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst colorAttribute = geometry.getAttribute( 'color' );\n\n\t\t// near\n\n\t\tcolorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); // n1, n2\n\t\tcolorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); // n2, n4\n\t\tcolorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); // n4, n3\n\t\tcolorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); // n3, n1\n\n\t\t// far\n\n\t\tcolorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); // f1, f2\n\t\tcolorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); // f2, f4\n\t\tcolorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); // f4, f3\n\t\tcolorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); // f3, f1\n\n\t\t// sides\n\n\t\tcolorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); // n1, f1\n\t\tcolorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); // n2, f2\n\t\tcolorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); // n3, f3\n\t\tcolorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); // n4, f4\n\n\t\t// cone\n\n\t\tcolorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); // p, n1\n\t\tcolorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); // p, n2\n\t\tcolorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); // p, n3\n\t\tcolorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); // p, n4\n\n\t\t// up\n\n\t\tcolorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); // u1, u2\n\t\tcolorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); // u2, u3\n\t\tcolorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); // u3, u1\n\n\t\t// target\n\n\t\tcolorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); // c, t\n\t\tcolorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); // p, c\n\n\t\t// cross\n\n\t\tcolorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); // cn1, cn2\n\t\tcolorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); // cn3, cn4\n\n\t\tcolorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); // cf1, cf2\n\t\tcolorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); // cf3, cf4\n\n\t\tcolorAttribute.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Updates the helper based on the projection matrix of the camera.\n\t */\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\tlet nearZ, farZ;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// Adjust z values based on coordinate system\n\n\t\tif ( this.camera.reversedDepth === true ) {\n\n\t\t\tnearZ = 1;\n\t\t\tfarZ = 0;\n\n\t\t} else {\n\n\t\t\tif ( this.camera.coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\t\tnearZ = -1;\n\t\t\t\tfarZ = 1;\n\n\t\t\t} else if ( this.camera.coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\t\tnearZ = 0;\n\t\t\t\tfarZ = 1;\n\n\t\t\t} else {\n\n\t\t\t\tthrow new Error( 'THREE.CameraHelper.update(): Invalid coordinate system: ' + this.camera.coordinateSystem );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\t// center / target\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, nearZ );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, farZ );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, nearZ );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, nearZ );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, nearZ );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, nearZ );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, farZ );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, farZ );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, farZ );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, farZ );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, nearZ );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, nearZ );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, nearZ );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, farZ );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, farZ );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, farZ );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, farZ );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, nearZ );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, nearZ );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, nearZ );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, nearZ );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\n/**\n * Helper object to graphically show the world-axis-aligned bounding box\n * around an object. The actual bounding box is handled with {@link Box3},\n * this is just a visual helper for debugging. It can be automatically\n * resized with {@link BoxHelper#update} when the object it's created from\n * is transformed. Note that the object must have a geometry for this to work,\n * so it won't work with sprites.\n *\n * ```js\n * const sphere = new THREE.SphereGeometry();\n * const object = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( 0xff0000 ) );\n * const box = new THREE.BoxHelper( object, 0xffff00 );\n * scene.add( box );\n * ```\n *\n * @augments LineSegments\n */\nclass BoxHelper extends LineSegments {\n\n\t/**\n\t * Constructs a new box helper.\n\t *\n\t * @param {Object3D} [object] - The 3D object to show the world-axis-aligned bounding box.\n\t * @param {number|Color|string} [color=0xffff00] - The box's color.\n\t */\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\t/**\n\t\t * The 3D object being visualized.\n\t\t *\n\t\t * @type {Object3D}\n\t\t */\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\t/**\n\t * Updates the helper's geometry to match the dimensions of the object,\n\t * including any children.\n\t */\n\tupdate() {\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\t/**\n\t * Updates the wireframe box for the passed object.\n\t *\n\t * @param {Object3D} object - The 3D object to create the helper for.\n\t * @return {BoxHelper} A reference to this instance.\n\t */\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n/**\n * A helper object to visualize an instance of {@link Box3}.\n *\n * ```js\n * const box = new THREE.Box3();\n * box.setFromCenterAndSize( new THREE.Vector3( 1, 1, 1 ), new THREE.Vector3( 2, 1, 3 ) );\n *\n * const helper = new THREE.Box3Helper( box, 0xffff00 );\n * scene.add( helper )\n * ```\n *\n * @augments LineSegments\n */\nclass Box3Helper extends LineSegments {\n\n\t/**\n\t * Constructs a new box3 helper.\n\t *\n\t * @param {Box3} box - The box to visualize.\n\t * @param {number|Color|string} [color=0xffff00] - The box's color.\n\t */\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\t/**\n\t\t * The box being visualized.\n\t\t *\n\t\t * @type {Box3}\n\t\t */\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n/**\n * A helper object to visualize an instance of {@link Plane}.\n *\n * ```js\n * const plane = new THREE.Plane( new THREE.Vector3( 1, 1, 0.2 ), 3 );\n * const helper = new THREE.PlaneHelper( plane, 1, 0xffff00 );\n * scene.add( helper );\n * ```\n *\n * @augments Line\n */\nclass PlaneHelper extends Line {\n\n\t/**\n\t * Constructs a new plane helper.\n\t *\n\t * @param {Plane} plane - The plane to be visualized.\n\t * @param {number} [size=1] - The side length of plane helper.\n\t * @param {number|Color|string} [hex=0xffff00] - The helper's color.\n\t */\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, -1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, 1, 0, -1, -1, 0, 1, -1, 0, 1, 1, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\t/**\n\t\t * The plane being visualized.\n\t\t *\n\t\t * @type {Plane}\n\t\t */\n\t\tthis.plane = plane;\n\n\t\t/**\n\t\t * The side length of plane helper.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, -1, 0 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tthis.position.set( 0, 0, 0 );\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, 1 );\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tthis.translateZ( - this.plane.constant );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\t/**\n\t * Updates the helper to match the position and direction of the\n\t * light being visualized.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\n/**\n * An 3D arrow object for visualizing directions.\n *\n * ```js\n * const dir = new THREE.Vector3( 1, 2, 0 );\n *\n * //normalize the direction vector (convert to vector of length 1)\n * dir.normalize();\n *\n * const origin = new THREE.Vector3( 0, 0, 0 );\n * const length = 1;\n * const hex = 0xffff00;\n *\n * const arrowHelper = new THREE.ArrowHelper( dir, origin, length, hex );\n * scene.add( arrowHelper );\n * ```\n *\n * @augments Object3D\n */\nclass ArrowHelper extends Object3D {\n\n\t/**\n\t * Constructs a new arrow helper.\n\t *\n\t * @param {Vector3} [dir=(0, 0, 1)] - The (normalized) direction vector.\n\t * @param {Vector3} [origin=(0, 0, 0)] - Point at which the arrow starts.\n\t * @param {number} [length=1] - Length of the arrow in world units.\n\t * @param {(number|Color|string)} [color=0xffff00] - Color of the arrow.\n\t * @param {number} [headLength=length*0.2] - The length of the head of the arrow.\n\t * @param {number} [headWidth=headLength*0.2] - The width of the head of the arrow.\n\t */\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new ConeGeometry( 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, -0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\t/**\n\t\t * The line part of the arrow helper.\n\t\t *\n\t\t * @type {Line}\n\t\t */\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\t/**\n\t\t * The cone part of the arrow helper.\n\t\t *\n\t\t * @type {Mesh}\n\t\t */\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\t/**\n\t * Sets the direction of the helper.\n\t *\n\t * @param {Vector3} dir - The normalized direction vector.\n\t */\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < -0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Sets the length of the helper.\n\t *\n\t * @param {number} length - Length of the arrow in world units.\n\t * @param {number} [headLength=length*0.2] - The length of the head of the arrow.\n\t * @param {number} [headWidth=headLength*0.2] - The width of the head of the arrow.\n\t */\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\t/**\n\t * Sets the color of the helper.\n\t *\n\t * @param {number|Color|string} color - The color to set.\n\t */\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.line.geometry.dispose();\n\t\tthis.line.material.dispose();\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n}\n\n/**\n * An axis object to visualize the 3 axes in a simple way.\n * The X axis is red. The Y axis is green. The Z axis is blue.\n *\n * ```js\n * const axesHelper = new THREE.AxesHelper( 5 );\n * scene.add( axesHelper );\n * ```\n *\n * @augments LineSegments\n */\nclass AxesHelper extends LineSegments {\n\n\t/**\n\t * Constructs a new axes helper.\n\t *\n\t * @param {number} [size=1] - Size of the lines representing the axes.\n\t */\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\t/**\n\t * Defines the colors of the axes helper.\n\t *\n\t * @param {number|Color|string} xAxisColor - The color for the x axis.\n\t * @param {number|Color|string} yAxisColor - The color for the y axis.\n\t * @param {number|Color|string} zAxisColor - The color for the z axis.\n\t * @return {AxesHelper} A reference to this axes helper.\n\t */\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Frees the GPU-related resources allocated by this instance. Call this\n\t * method whenever this instance is no longer used in your app.\n\t */\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n/**\n * This class is used to convert a series of paths to an array of\n * shapes. It is specifically used in context of fonts and SVG.\n */\nclass ShapePath {\n\n\t/**\n\t * Constructs a new shape path.\n\t */\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\t/**\n\t\t * The color of the shape.\n\t\t *\n\t\t * @type {Color}\n\t\t */\n\t\tthis.color = new Color();\n\n\t\t/**\n\t\t * The paths that have been generated for this shape.\n\t\t *\n\t\t * @type {Array}\n\t\t * @default null\n\t\t */\n\t\tthis.subPaths = [];\n\n\t\t/**\n\t\t * The current path that is being generated.\n\t\t *\n\t\t * @type {?Path}\n\t\t * @default null\n\t\t */\n\t\tthis.currentPath = null;\n\n\t}\n\n\t/**\n\t * Creates a new path and moves it current point to the given one.\n\t *\n\t * @param {number} x - The x coordinate.\n\t * @param {number} y - The y coordinate.\n\t * @return {ShapePath} A reference to this shape path.\n\t */\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an instance of {@link LineCurve} to the path by connecting\n\t * the current point with the given one.\n\t *\n\t * @param {number} x - The x coordinate of the end point.\n\t * @param {number} y - The y coordinate of the end point.\n\t * @return {ShapePath} A reference to this shape path.\n\t */\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an instance of {@link QuadraticBezierCurve} to the path by connecting\n\t * the current point with the given one.\n\t *\n\t * @param {number} aCPx - The x coordinate of the control point.\n\t * @param {number} aCPy - The y coordinate of the control point.\n\t * @param {number} aX - The x coordinate of the end point.\n\t * @param {number} aY - The y coordinate of the end point.\n\t * @return {ShapePath} A reference to this shape path.\n\t */\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an instance of {@link CubicBezierCurve} to the path by connecting\n\t * the current point with the given one.\n\t *\n\t * @param {number} aCP1x - The x coordinate of the first control point.\n\t * @param {number} aCP1y - The y coordinate of the first control point.\n\t * @param {number} aCP2x - The x coordinate of the second control point.\n\t * @param {number} aCP2y - The y coordinate of the second control point.\n\t * @param {number} aX - The x coordinate of the end point.\n\t * @param {number} aY - The y coordinate of the end point.\n\t * @return {ShapePath} A reference to this shape path.\n\t */\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Adds an instance of {@link SplineCurve} to the path by connecting\n\t * the current point with the given list of points.\n\t *\n\t * @param {Array} pts - An array of points in 2D space.\n\t * @return {ShapePath} A reference to this shape path.\n\t */\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Converts the paths into an array of shapes.\n\t *\n\t * @param {boolean} isCCW - By default solid shapes are defined clockwise (CW) and holes are defined counterclockwise (CCW).\n\t * If this flag is set to `true`, then those are flipped.\n\t * @return {Array} An array of shapes.\n\t */\n\ttoShapes( isCCW ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tlet toChange = 0;\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange ++;\n\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( toChange > 0 && ambiguous === false ) {\n\n\t\t\t\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\n/**\n * Abstract base class for controls.\n *\n * @abstract\n * @augments EventDispatcher\n */\nclass Controls extends EventDispatcher {\n\n\t/**\n\t * Constructs a new controls instance.\n\t *\n\t * @param {Object3D} object - The object that is managed by the controls.\n\t * @param {?HTMLElement} domElement - The HTML element used for event listeners.\n\t */\n\tconstructor( object, domElement = null ) {\n\n\t\tsuper();\n\n\t\t/**\n\t\t * The object that is managed by the controls.\n\t\t *\n\t\t * @type {Object3D}\n\t\t */\n\t\tthis.object = object;\n\n\t\t/**\n\t\t * The HTML element used for event listeners.\n\t\t *\n\t\t * @type {?HTMLElement}\n\t\t * @default null\n\t\t */\n\t\tthis.domElement = domElement;\n\n\t\t/**\n\t\t * Whether the controls responds to user input or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.enabled = true;\n\n\t\t/**\n\t\t * The internal state of the controls.\n\t\t *\n\t\t * @type {number}\n\t\t * @default -1\n\t\t */\n\t\tthis.state = -1;\n\n\t\t/**\n\t\t * This object defines the keyboard input of the controls.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.keys = {};\n\n\t\t/**\n\t\t * This object defines what type of actions are assigned to the available mouse buttons.\n\t\t * It depends on the control implementation what kind of mouse buttons and actions are supported.\n\t\t *\n\t\t * @type {{LEFT: ?number, MIDDLE: ?number, RIGHT: ?number}}\n\t\t */\n\t\tthis.mouseButtons = { LEFT: null, MIDDLE: null, RIGHT: null };\n\n\t\t/**\n\t\t * This object defines what type of actions are assigned to what kind of touch interaction.\n\t\t * It depends on the control implementation what kind of touch interaction and actions are supported.\n\t\t *\n\t\t * @type {{ONE: ?number, TWO: ?number}}\n\t\t */\n\t\tthis.touches = { ONE: null, TWO: null };\n\n\t}\n\n\t/**\n\t * Connects the controls to the DOM. This method has so called \"side effects\" since\n\t * it adds the module's event listeners to the DOM.\n\t *\n\t * @param {HTMLElement} element - The DOM element to connect to.\n\t */\n\tconnect( element ) {\n\n\t\tif ( element === undefined ) {\n\n\t\t\twarn( 'Controls: connect() now requires an element.' ); // @deprecated, the warning can be removed with r185\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.domElement !== null ) this.disconnect();\n\n\t\tthis.domElement = element;\n\n\t}\n\n\t/**\n\t * Disconnects the controls from the DOM.\n\t */\n\tdisconnect() {}\n\n\t/**\n\t * Call this method if you no longer want use to the controls. It frees all internal\n\t * resources and removes all event listeners.\n\t */\n\tdispose() {}\n\n\t/**\n\t * Controls should implement this method if they have to update their internal state\n\t * per simulation step.\n\t *\n\t * @param {number} [delta] - The time delta in seconds.\n\t */\n\tupdate( /* delta */ ) {}\n\n}\n\n/**\n * Scales the texture as large as possible within its surface without cropping\n * or stretching the texture. The method preserves the original aspect ratio of\n * the texture. Akin to CSS `object-fit: contain`\n *\n * @param {Texture} texture - The texture.\n * @param {number} aspect - The texture's aspect ratio.\n * @return {Texture} The updated texture.\n */\nfunction contain( texture, aspect ) {\n\n\tconst imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1;\n\n\tif ( imageAspect > aspect ) {\n\n\t\ttexture.repeat.x = 1;\n\t\ttexture.repeat.y = imageAspect / aspect;\n\n\t\ttexture.offset.x = 0;\n\t\ttexture.offset.y = ( 1 - texture.repeat.y ) / 2;\n\n\t} else {\n\n\t\ttexture.repeat.x = aspect / imageAspect;\n\t\ttexture.repeat.y = 1;\n\n\t\ttexture.offset.x = ( 1 - texture.repeat.x ) / 2;\n\t\ttexture.offset.y = 0;\n\n\t}\n\n\treturn texture;\n\n}\n\n/**\n * Scales the texture to the smallest possible size to fill the surface, leaving\n * no empty space. The method preserves the original aspect ratio of the texture.\n * Akin to CSS `object-fit: cover`.\n *\n * @param {Texture} texture - The texture.\n * @param {number} aspect - The texture's aspect ratio.\n * @return {Texture} The updated texture.\n */\nfunction cover( texture, aspect ) {\n\n\tconst imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1;\n\n\tif ( imageAspect > aspect ) {\n\n\t\ttexture.repeat.x = aspect / imageAspect;\n\t\ttexture.repeat.y = 1;\n\n\t\ttexture.offset.x = ( 1 - texture.repeat.x ) / 2;\n\t\ttexture.offset.y = 0;\n\n\t} else {\n\n\t\ttexture.repeat.x = 1;\n\t\ttexture.repeat.y = imageAspect / aspect;\n\n\t\ttexture.offset.x = 0;\n\t\ttexture.offset.y = ( 1 - texture.repeat.y ) / 2;\n\n\t}\n\n\treturn texture;\n\n}\n\n/**\n * Configures the texture to the default transformation. Akin to CSS `object-fit: fill`.\n *\n * @param {Texture} texture - The texture.\n * @return {Texture} The updated texture.\n */\nfunction fill( texture ) {\n\n\ttexture.repeat.x = 1;\n\ttexture.repeat.y = 1;\n\n\ttexture.offset.x = 0;\n\ttexture.offset.y = 0;\n\n\treturn texture;\n\n}\n\n/**\n * Determines how many bytes must be used to represent the texture.\n *\n * @param {number} width - The width of the texture.\n * @param {number} height - The height of the texture.\n * @param {number} format - The texture's format.\n * @param {number} type - The texture's type.\n * @return {number} The byte length.\n */\nfunction getByteLength( width, height, format, type ) {\n\n\tconst typeByteLength = getTextureTypeByteLength( type );\n\n\tswitch ( format ) {\n\n\t\t// https://registry.khronos.org/OpenGL-Refpages/es3.0/html/glTexImage2D.xhtml\n\t\tcase AlphaFormat:\n\t\t\treturn width * height;\n\t\tcase RedFormat:\n\t\t\treturn ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RedIntegerFormat:\n\t\t\treturn ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGFormat:\n\t\t\treturn ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGIntegerFormat:\n\t\t\treturn ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBFormat:\n\t\t\treturn ( ( width * height * 3 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBAFormat:\n\t\t\treturn ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBAIntegerFormat:\n\t\t\treturn ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_s3tc_srgb/\n\t\tcase RGB_S3TC_DXT1_Format:\n\t\tcase RGBA_S3TC_DXT1_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8;\n\t\tcase RGBA_S3TC_DXT3_Format:\n\t\tcase RGBA_S3TC_DXT5_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_pvrtc/\n\t\tcase RGB_PVRTC_2BPPV1_Format:\n\t\tcase RGBA_PVRTC_2BPPV1_Format:\n\t\t\treturn ( Math.max( width, 16 ) * Math.max( height, 8 ) ) / 4;\n\t\tcase RGB_PVRTC_4BPPV1_Format:\n\t\tcase RGBA_PVRTC_4BPPV1_Format:\n\t\t\treturn ( Math.max( width, 8 ) * Math.max( height, 8 ) ) / 2;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_etc/\n\t\tcase RGB_ETC1_Format:\n\t\tcase RGB_ETC2_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8;\n\t\tcase RGBA_ETC2_EAC_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_astc/\n\t\tcase RGBA_ASTC_4x4_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\t\tcase RGBA_ASTC_5x4_Format:\n\t\t\treturn Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\t\tcase RGBA_ASTC_5x5_Format:\n\t\t\treturn Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_6x5_Format:\n\t\t\treturn Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_6x6_Format:\n\t\t\treturn Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_8x5_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_8x6_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_8x8_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 7 ) / 8 ) * 16;\n\t\tcase RGBA_ASTC_10x5_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_10x6_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_10x8_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 7 ) / 8 ) * 16;\n\t\tcase RGBA_ASTC_10x10_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 9 ) / 10 ) * 16;\n\t\tcase RGBA_ASTC_12x10_Format:\n\t\t\treturn Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 9 ) / 10 ) * 16;\n\t\tcase RGBA_ASTC_12x12_Format:\n\t\t\treturn Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 11 ) / 12 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/EXT_texture_compression_bptc/\n\t\tcase RGBA_BPTC_Format:\n\t\tcase RGB_BPTC_SIGNED_Format:\n\t\tcase RGB_BPTC_UNSIGNED_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/EXT_texture_compression_rgtc/\n\t\tcase RED_RGTC1_Format:\n\t\tcase SIGNED_RED_RGTC1_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 8;\n\t\tcase RED_GREEN_RGTC2_Format:\n\t\tcase SIGNED_RED_GREEN_RGTC2_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16;\n\n\t}\n\n\tthrow new Error(\n\t\t`Unable to determine texture byte length for ${format} format.`,\n\t);\n\n}\n\nfunction getTextureTypeByteLength( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase UnsignedByteType:\n\t\tcase ByteType:\n\t\t\treturn { byteLength: 1, components: 1 };\n\t\tcase UnsignedShortType:\n\t\tcase ShortType:\n\t\tcase HalfFloatType:\n\t\t\treturn { byteLength: 2, components: 1 };\n\t\tcase UnsignedShort4444Type:\n\t\tcase UnsignedShort5551Type:\n\t\t\treturn { byteLength: 2, components: 4 };\n\t\tcase UnsignedIntType:\n\t\tcase IntType:\n\t\tcase FloatType:\n\t\t\treturn { byteLength: 4, components: 1 };\n\t\tcase UnsignedInt5999Type:\n\t\tcase UnsignedInt101111Type:\n\t\t\treturn { byteLength: 4, components: 3 };\n\n\t}\n\n\tthrow new Error( `Unknown texture type ${type}.` );\n\n}\n\n/**\n * A class containing utility functions for textures.\n *\n * @hideconstructor\n */\nclass TextureUtils {\n\n\t/**\n\t * Scales the texture as large as possible within its surface without cropping\n\t * or stretching the texture. The method preserves the original aspect ratio of\n\t * the texture. Akin to CSS `object-fit: contain`\n\t *\n\t * @param {Texture} texture - The texture.\n\t * @param {number} aspect - The texture's aspect ratio.\n\t * @return {Texture} The updated texture.\n\t */\n\tstatic contain( texture, aspect ) {\n\n\t\treturn contain( texture, aspect );\n\n\t}\n\n\t/**\n\t * Scales the texture to the smallest possible size to fill the surface, leaving\n\t * no empty space. The method preserves the original aspect ratio of the texture.\n\t * Akin to CSS `object-fit: cover`.\n\t *\n\t * @param {Texture} texture - The texture.\n\t * @param {number} aspect - The texture's aspect ratio.\n\t * @return {Texture} The updated texture.\n\t */\n\tstatic cover( texture, aspect ) {\n\n\t\treturn cover( texture, aspect );\n\n\t}\n\n\t/**\n\t * Configures the texture to the default transformation. Akin to CSS `object-fit: fill`.\n\t *\n\t * @param {Texture} texture - The texture.\n\t * @return {Texture} The updated texture.\n\t */\n\tstatic fill( texture ) {\n\n\t\treturn fill( texture );\n\n\t}\n\n\t/**\n\t * Determines how many bytes must be used to represent the texture.\n\t *\n\t * @param {number} width - The width of the texture.\n\t * @param {number} height - The height of the texture.\n\t * @param {number} format - The texture's format.\n\t * @param {number} type - The texture's type.\n\t * @return {number} The byte length.\n\t */\n\tstatic getByteLength( width, height, format, type ) {\n\n\t\treturn getByteLength( width, height, format, type );\n\n\t}\n\n}\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\twarn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BackSide, BasicDepthPacking, BasicShadowMap, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, ColorManagement, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualCompare, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExternalTexture, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FramebufferTexture, FrontSide, Frustum, FrustumArray, GLBufferAttribute, GLSL1, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InterpolationSamplingMode, InterpolationSamplingType, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, Material, MaterialLoader, MathUtils, Matrix2, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, Path, PerspectiveCamera, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RAD2DEG, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDepthPacking, RGBFormat, RGBIntegerFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGDepthPacking, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RenderTarget, RenderTarget3D, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, Scene, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry, Texture, TextureLoader, TextureUtils, Timer, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, UniformsUtils, UnsignedByteType, UnsignedInt101111Type, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLRenderTarget, WebGPUCoordinateSystem, WebXRController, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, arrayNeedsUint32, cloneUniforms, createCanvasElement, createElementNS, error, getByteLength, getConsoleFunction, getUnlitUniformColorSpace, log, mergeUniforms, probeAsync, setConsoleFunction, warn, warnOnce };\n", "/**\n * @license\n * Copyright 2010-2025 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nimport { Matrix3, Vector2, Color, mergeUniforms, Vector3, CubeUVReflectionMapping, Mesh, BoxGeometry, ShaderMaterial, BackSide, cloneUniforms, Euler, Matrix4, ColorManagement, SRGBTransfer, PlaneGeometry, FrontSide, getUnlitUniformColorSpace, IntType, warn, HalfFloatType, UnsignedByteType, FloatType, RGBAFormat, Plane, EquirectangularReflectionMapping, EquirectangularRefractionMapping, WebGLCubeRenderTarget, CubeReflectionMapping, CubeRefractionMapping, BufferGeometry, OrthographicCamera, PerspectiveCamera, NoToneMapping, MeshBasicMaterial, error, NoBlending, WebGLRenderTarget, BufferAttribute, LinearSRGBColorSpace, LinearFilter, warnOnce, Uint32BufferAttribute, Uint16BufferAttribute, arrayNeedsUint32, Vector4, DataArrayTexture, CubeTexture, Data3DTexture, LessEqualCompare, DepthTexture, Texture, GLSL3, PCFShadowMap, PCFSoftShadowMap, VSMShadowMap, CustomToneMapping, NeutralToneMapping, AgXToneMapping, ACESFilmicToneMapping, CineonToneMapping, ReinhardToneMapping, LinearToneMapping, LinearTransfer, AddOperation, MixOperation, MultiplyOperation, UniformsUtils, DoubleSide, NormalBlending, TangentSpaceNormalMap, ObjectSpaceNormalMap, Layers, Frustum, MeshDepthMaterial, RGBADepthPacking, MeshDistanceMaterial, NearestFilter, LessEqualDepth, ReverseSubtractEquation, SubtractEquation, AddEquation, OneMinusConstantAlphaFactor, ConstantAlphaFactor, OneMinusConstantColorFactor, ConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, DstAlphaFactor, DstColorFactor, SrcAlphaSaturateFactor, SrcAlphaFactor, SrcColorFactor, OneFactor, ZeroFactor, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessDepth, AlwaysDepth, NeverDepth, CullFaceNone, CullFaceBack, CullFaceFront, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, MinEquation, MaxEquation, MirroredRepeatWrapping, ClampToEdgeWrapping, RepeatWrapping, LinearMipmapLinearFilter, LinearMipmapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NotEqualCompare, GreaterCompare, GreaterEqualCompare, EqualCompare, LessCompare, AlwaysCompare, NeverCompare, NoColorSpace, DepthStencilFormat, getByteLength, DepthFormat, UnsignedIntType, UnsignedInt248Type, UnsignedShortType, createElementNS, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, UnsignedInt101111Type, ByteType, ShortType, AlphaFormat, RGBFormat, RedFormat, RedIntegerFormat, RGFormat, RGIntegerFormat, RGBAIntegerFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, ExternalTexture, EventDispatcher, ArrayCamera, WebXRController, RAD2DEG, DataTexture, createCanvasElement, SRGBColorSpace, REVISION, log, WebGLCoordinateSystem, probeAsync } from './three.core.js';\nexport { AdditiveAnimationBlendMode, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BasicShadowMap, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, Controls, CubeCamera, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CylinderGeometry, Cylindrical, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualStencilFunc, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, Fog, FogExp2, FramebufferTexture, FrustumArray, GLBufferAttribute, GLSL1, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InterpolationSamplingMode, InterpolationSamplingType, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, Material, MaterialLoader, MathUtils, Matrix2, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NeverStencilFunc, NormalAnimationBlendMode, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, OctahedronGeometry, Path, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBDepthPacking, RGBIntegerFormat, RGDepthPacking, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RenderTarget, RenderTarget3D, ReplaceStencilOp, RingGeometry, Scene, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, Timer, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGPUCoordinateSystem, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding, ZeroStencilOp, getConsoleFunction, setConsoleFunction } from './three.core.js';\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl ) {\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\t\tconst size = array.byteLength;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = gl.FLOAT;\n\n\t\t} else if ( typeof Float16Array !== 'undefined' && array instanceof Float16Array ) {\n\n\t\t\ttype = gl.HALF_FLOAT;\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\ttype = gl.HALF_FLOAT;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = gl.SHORT;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = gl.UNSIGNED_INT;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = gl.INT;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = gl.BYTE;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = gl.UNSIGNED_BYTE;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = gl.UNSIGNED_BYTE;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.WebGLAttributes: Unsupported buffer data format: ' + array );\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version,\n\t\t\tsize: size\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRanges = attribute.updateRanges;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRanges.length === 0 ) {\n\n\t\t\t// Not using update ranges\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\t// Before applying update ranges, we merge any adjacent / overlapping\n\t\t\t// ranges to reduce load on `gl.bufferSubData`. Empirically, this has led\n\t\t\t// to performance improvements for applications which make heavy use of\n\t\t\t// update ranges. Likely due to GPU command overhead.\n\t\t\t//\n\t\t\t// Note that to reduce garbage collection between frames, we merge the\n\t\t\t// update ranges in-place. This is safe because this method will clear the\n\t\t\t// update ranges once updated.\n\n\t\t\tupdateRanges.sort( ( a, b ) => a.start - b.start );\n\n\t\t\t// To merge the update ranges in-place, we work from left to right in the\n\t\t\t// existing updateRanges array, merging ranges. This may result in a final\n\t\t\t// array which is smaller than the original. This index tracks the last\n\t\t\t// index representing a merged range, any data after this index can be\n\t\t\t// trimmed once the merge algorithm is completed.\n\t\t\tlet mergeIndex = 0;\n\n\t\t\tfor ( let i = 1; i < updateRanges.length; i ++ ) {\n\n\t\t\t\tconst previousRange = updateRanges[ mergeIndex ];\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\t// We add one here to merge adjacent ranges. This is safe because ranges\n\t\t\t\t// operate over positive integers.\n\t\t\t\tif ( range.start <= previousRange.start + previousRange.count + 1 ) {\n\n\t\t\t\t\tpreviousRange.count = Math.max(\n\t\t\t\t\t\tpreviousRange.count,\n\t\t\t\t\t\trange.start + range.count - previousRange.start\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\t++ mergeIndex;\n\t\t\t\t\tupdateRanges[ mergeIndex ] = range;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Trim the array to only contain the merged ranges.\n\t\t\tupdateRanges.length = mergeIndex + 1;\n\n\t\t\tfor ( let i = 0, l = updateRanges.length; i < l; i ++ ) {\n\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\tgl.bufferSubData( bufferType, range.start * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, range.start, range.count );\n\n\t\t\t}\n\n\t\t\tattribute.clearUpdateRanges();\n\n\t\t}\n\n\t\tattribute.onUploadCallback();\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tif ( data.size !== attribute.array.byteLength ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLAttributes: The size of the buffer attribute\\'s array buffer does not match the original size. Resizing buffer attributes is not supported.' );\n\n\t\t\t}\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nvar alphahash_fragment = \"#ifdef USE_ALPHAHASH\\n\\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\\n#endif\";\n\nvar alphahash_pars_fragment = \"#ifdef USE_ALPHAHASH\\n\\tconst float ALPHA_HASH_SCALE = 0.05;\\n\\tfloat hash2D( vec2 value ) {\\n\\t\\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\\n\\t}\\n\\tfloat hash3D( vec3 value ) {\\n\\t\\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\\n\\t}\\n\\tfloat getAlphaHashThreshold( vec3 position ) {\\n\\t\\tfloat maxDeriv = max(\\n\\t\\t\\tlength( dFdx( position.xyz ) ),\\n\\t\\t\\tlength( dFdy( position.xyz ) )\\n\\t\\t);\\n\\t\\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\\n\\t\\tvec2 pixScales = vec2(\\n\\t\\t\\texp2( floor( log2( pixScale ) ) ),\\n\\t\\t\\texp2( ceil( log2( pixScale ) ) )\\n\\t\\t);\\n\\t\\tvec2 alpha = vec2(\\n\\t\\t\\thash3D( floor( pixScales.x * position.xyz ) ),\\n\\t\\t\\thash3D( floor( pixScales.y * position.xyz ) )\\n\\t\\t);\\n\\t\\tfloat lerpFactor = fract( log2( pixScale ) );\\n\\t\\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\\n\\t\\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\\n\\t\\tvec3 cases = vec3(\\n\\t\\t\\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\\n\\t\\t\\t( x - 0.5 * a ) / ( 1.0 - a ),\\n\\t\\t\\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\\n\\t\\t);\\n\\t\\tfloat threshold = ( x < ( 1.0 - a ) )\\n\\t\\t\\t? ( ( x < a ) ? cases.x : cases.y )\\n\\t\\t\\t: cases.z;\\n\\t\\treturn clamp( threshold , 1.0e-6, 1.0 );\\n\\t}\\n#endif\";\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\t#ifdef ALPHA_TO_COVERAGE\\n\\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\\n\\tif ( diffuseColor.a == 0.0 ) discard;\\n\\t#else\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n\\t#endif\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_CLEARCOAT ) \\n\\t\\tclearcoatSpecularIndirect *= ambientOcclusion;\\n\\t#endif\\n\\t#if defined( USE_SHEEN ) \\n\\t\\tsheenSpecularIndirect *= ambientOcclusion;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar batching_pars_vertex = \"#ifdef USE_BATCHING\\n\\t#if ! defined( GL_ANGLE_multi_draw )\\n\\t#define gl_DrawID _gl_DrawID\\n\\tuniform int _gl_DrawID;\\n\\t#endif\\n\\tuniform highp sampler2D batchingTexture;\\n\\tuniform highp usampler2D batchingIdTexture;\\n\\tmat4 getBatchingMatrix( const in float i ) {\\n\\t\\tint size = textureSize( batchingTexture, 0 ).x;\\n\\t\\tint j = int( i ) * 4;\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\\n\\t\\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\\n\\t\\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\\n\\t\\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\\n\\t\\treturn mat4( v1, v2, v3, v4 );\\n\\t}\\n\\tfloat getIndirectIndex( const in int i ) {\\n\\t\\tint size = textureSize( batchingIdTexture, 0 ).x;\\n\\t\\tint x = i % size;\\n\\t\\tint y = i / size;\\n\\t\\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\\n\\t}\\n#endif\\n#ifdef USE_BATCHING_COLOR\\n\\tuniform sampler2D batchingColorTexture;\\n\\tvec3 getBatchingColor( const in float i ) {\\n\\t\\tint size = textureSize( batchingColorTexture, 0 ).x;\\n\\t\\tint j = int( i );\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;\\n\\t}\\n#endif\";\n\nvar batching_vertex = \"#ifdef USE_BATCHING\\n\\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\\n#ifdef USE_ALPHAHASH\\n\\tvPosition = vec3( position );\\n#endif\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"float G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n} // validated\";\n\nvar iridescence_fragment = \"#ifdef USE_IRIDESCENCE\\n\\tconst mat3 XYZ_TO_REC709 = mat3(\\n\\t\\t 3.2404542, -0.9692660, 0.0556434,\\n\\t\\t-1.5371385, 1.8760108, -0.2040259,\\n\\t\\t-0.4985314, 0.0415560, 1.0572252\\n\\t);\\n\\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\\n\\t\\tvec3 sqrtF0 = sqrt( fresnel0 );\\n\\t\\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\\n\\t}\\n\\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\\n\\t}\\n\\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\\n\\t}\\n\\tvec3 evalSensitivity( float OPD, vec3 shift ) {\\n\\t\\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\\n\\t\\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\\n\\t\\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\\n\\t\\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\\n\\t\\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\\n\\t\\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\\n\\t\\txyz /= 1.0685e-7;\\n\\t\\tvec3 rgb = XYZ_TO_REC709 * xyz;\\n\\t\\treturn rgb;\\n\\t}\\n\\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\\n\\t\\tvec3 I;\\n\\t\\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\\n\\t\\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\\n\\t\\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\\n\\t\\tif ( cosTheta2Sq < 0.0 ) {\\n\\t\\t\\treturn vec3( 1.0 );\\n\\t\\t}\\n\\t\\tfloat cosTheta2 = sqrt( cosTheta2Sq );\\n\\t\\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\\n\\t\\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\\n\\t\\tfloat T121 = 1.0 - R12;\\n\\t\\tfloat phi12 = 0.0;\\n\\t\\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\\n\\t\\tfloat phi21 = PI - phi12;\\n\\t\\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\\t\\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\\n\\t\\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\\n\\t\\tvec3 phi23 = vec3( 0.0 );\\n\\t\\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\\n\\t\\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\\n\\t\\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\\n\\t\\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\\n\\t\\tvec3 phi = vec3( phi21 ) + phi23;\\n\\t\\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\\n\\t\\tvec3 r123 = sqrt( R123 );\\n\\t\\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\\n\\t\\tvec3 C0 = R12 + Rs;\\n\\t\\tI = C0;\\n\\t\\tvec3 Cm = Rs - T121;\\n\\t\\tfor ( int m = 1; m <= 2; ++ m ) {\\n\\t\\t\\tCm *= r123;\\n\\t\\t\\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\\n\\t\\t\\tI += Cm * Sm;\\n\\t\\t}\\n\\t\\treturn max( I, vec3( 0.0 ) );\\n\\t}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vBumpMapUv );\\n\\t\\tvec2 dSTdy = dFdy( vBumpMapUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\\n\\t\\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#ifdef ALPHA_TO_COVERAGE\\n\\t\\tfloat distanceToPlane, distanceGradient;\\n\\t\\tfloat clipOpacity = 1.0;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\\n\\t\\t\\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\\n\\t\\t\\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\\n\\t\\t\\tif ( clipOpacity == 0.0 ) discard;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\t\\tfloat unionClipOpacity = 1.0;\\n\\t\\t\\t#pragma unroll_loop_start\\n\\t\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\t\\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\\n\\t\\t\\t\\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\\n\\t\\t\\t\\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\\n\\t\\t\\t}\\n\\t\\t\\t#pragma unroll_loop_end\\n\\t\\t\\tclipOpacity *= 1.0 - unionClipOpacity;\\n\\t\\t#endif\\n\\t\\tdiffuseColor.a *= clipOpacity;\\n\\t\\tif ( diffuseColor.a == 0.0 ) discard;\\n\\t#else\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\t\\tbool clipped = true;\\n\\t\\t\\t#pragma unroll_loop_start\\n\\t\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t\\t}\\n\\t\\t\\t#pragma unroll_loop_end\\n\\t\\t\\tif ( clipped ) discard;\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\\n#ifdef USE_BATCHING_COLOR\\n\\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\\n\\tvColor.xyz *= batchingColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nvec3 pow2( const in vec3 x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\n#ifdef USE_ALPHAHASH\\n\\tvarying vec3 vPosition;\\n#endif\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n} // validated\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\\n\\t\\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\\n\\t\\tuv.x *= CUBEUV_TEXEL_WIDTH;\\n\\t\\tuv.y *= CUBEUV_TEXEL_HEIGHT;\\n\\t\\t#ifdef texture2DGradEXT\\n\\t\\t\\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( envMap, uv ).rgb;\\n\\t\\t#endif\\n\\t}\\n\\t#define cubeUV_r0 1.0\\n\\t#define cubeUV_m0 - 2.0\\n\\t#define cubeUV_r1 0.8\\n\\t#define cubeUV_m1 - 1.0\\n\\t#define cubeUV_r4 0.4\\n\\t#define cubeUV_m4 2.0\\n\\t#define cubeUV_r5 0.305\\n\\t#define cubeUV_m5 3.0\\n\\t#define cubeUV_r6 0.21\\n\\t#define cubeUV_m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= cubeUV_r1 ) {\\n\\t\\t\\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\\n\\t\\t} else if ( roughness >= cubeUV_r4 ) {\\n\\t\\t\\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\\n\\t\\t} else if ( roughness >= cubeUV_r5 ) {\\n\\t\\t\\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\\n\\t\\t} else if ( roughness >= cubeUV_r6 ) {\\n\\t\\t\\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = objectTangent;\\n#endif\\n#ifdef USE_BATCHING\\n\\tmat3 bm = mat3( batchingMatrix );\\n\\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\\n\\ttransformedNormal = bm * transformedNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\ttransformedTangent = bm * transformedTangent;\\n\\t#endif\\n#endif\\n#ifdef USE_INSTANCING\\n\\tmat3 im = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\\n\\ttransformedNormal = im * transformedNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\ttransformedTangent = im * transformedTangent;\\n\\t#endif\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\\n\\t\\temissiveColor = sRGBTransferEOTF( emissiveColor );\\n\\t#endif\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar colorspace_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar colorspace_pars_fragment = \"vec4 LinearTransferOETF( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 sRGBTransferEOTF( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 sRGBTransferOETF( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\tuniform mat3 envMapRotation;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn vec3( texture2D( gradientMap, coord ).r );\\n\\t#else\\n\\t\\tvec2 fw = fwidth( coord ) * 0.5;\\n\\t\\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\\n\\t#endif\\n}\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_fragment = \"LambertMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_lambert_pars_fragment = \"varying vec3 vViewPosition;\\nstruct LambertMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Lambert\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Lambert\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\n#if defined( USE_LIGHT_PROBES )\\n\\tuniform vec3 lightProbe[ 9 ];\\n#endif\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t}\\n\\treturn distanceFalloff;\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometryPosition;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometryPosition;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\tvec3 reflectVec = reflect( - viewDir, normal );\\n\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, pow4( roughness ) ) );\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\\n\\t\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\t\\tvec3 bentNormal = cross( bitangent, viewDir );\\n\\t\\t\\t\\tbentNormal = normalize( cross( bentNormal, bitangent ) );\\n\\t\\t\\t\\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\\n\\t\\t\\t\\treturn getIBLRadiance( viewDir, bentNormal, roughness );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\tmaterial.ior = ior;\\n\\t#ifdef USE_SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULAR_COLORMAP\\n\\t\\t\\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULAR_INTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_DISPERSION\\n\\tmaterial.dispersion = dispersion;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tmaterial.iridescence = iridescence;\\n\\tmaterial.iridescenceIOR = iridescenceIOR;\\n\\t#ifdef USE_IRIDESCENCEMAP\\n\\t\\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\t\\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\\n\\t#else\\n\\t\\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\\n\\t#endif\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEEN_COLORMAP\\n\\t\\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\\n\\t#endif\\n#endif\\n#ifdef USE_ANISOTROPY\\n\\t#ifdef USE_ANISOTROPYMAP\\n\\t\\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\\n\\t\\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\\n\\t\\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\\n\\t#else\\n\\t\\tvec2 anisotropyV = anisotropyVector;\\n\\t#endif\\n\\tmaterial.anisotropy = length( anisotropyV );\\n\\tif( material.anisotropy == 0.0 ) {\\n\\t\\tanisotropyV = vec2( 1.0, 0.0 );\\n\\t} else {\\n\\t\\tanisotropyV /= material.anisotropy;\\n\\t\\tmaterial.anisotropy = saturate( material.anisotropy );\\n\\t}\\n\\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\\n\\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\\n\\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\\n#endif\";\n\nvar lights_physical_pars_fragment = \"uniform sampler2D dfgLUT;\\nstruct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\tfloat dispersion;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tfloat iridescence;\\n\\t\\tfloat iridescenceIOR;\\n\\t\\tfloat iridescenceThickness;\\n\\t\\tvec3 iridescenceFresnel;\\n\\t\\tvec3 iridescenceF0;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n\\t#ifdef IOR\\n\\t\\tfloat ior;\\n\\t#endif\\n\\t#ifdef USE_TRANSMISSION\\n\\t\\tfloat transmission;\\n\\t\\tfloat transmissionAlpha;\\n\\t\\tfloat thickness;\\n\\t\\tfloat attenuationDistance;\\n\\t\\tvec3 attenuationColor;\\n\\t#endif\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tfloat anisotropy;\\n\\t\\tfloat alphaT;\\n\\t\\tvec3 anisotropyT;\\n\\t\\tvec3 anisotropyB;\\n\\t#endif\\n};\\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\\nvec3 sheenSpecularDirect = vec3( 0.0 );\\nvec3 sheenSpecularIndirect = vec3(0.0 );\\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\\n float x2 = x * x;\\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\n#ifdef USE_ANISOTROPY\\n\\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\\n\\t\\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\\n\\t\\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\\n\\t\\tfloat v = 0.5 / ( gv + gl );\\n\\t\\treturn saturate(v);\\n\\t}\\n\\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\\n\\t\\tfloat a2 = alphaT * alphaB;\\n\\t\\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\\n\\t\\thighp float v2 = dot( v, v );\\n\\t\\tfloat w2 = a2 / v2;\\n\\t\\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\\n\\t}\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\\n\\t\\tvec3 f0 = material.clearcoatF0;\\n\\t\\tfloat f90 = material.clearcoatF90;\\n\\t\\tfloat roughness = material.clearcoatRoughness;\\n\\t\\tfloat alpha = pow2( roughness );\\n\\t\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\t\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\t\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\t\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\t\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\t\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t\\treturn F * ( V * D );\\n\\t}\\n#endif\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\\n\\tvec3 f0 = material.specularColor;\\n\\tfloat f90 = material.specularF90;\\n\\tfloat roughness = material.roughness;\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tF = mix( F, material.iridescenceFresnel, material.iridescence );\\n\\t#endif\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tfloat dotTL = dot( material.anisotropyT, lightDir );\\n\\t\\tfloat dotTV = dot( material.anisotropyT, viewDir );\\n\\t\\tfloat dotTH = dot( material.anisotropyT, halfDir );\\n\\t\\tfloat dotBL = dot( material.anisotropyB, lightDir );\\n\\t\\tfloat dotBV = dot( material.anisotropyB, viewDir );\\n\\t\\tfloat dotBH = dot( material.anisotropyB, halfDir );\\n\\t\\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\\n\\t\\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\\n\\t#else\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t#endif\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transpose( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat r2 = roughness * roughness;\\n\\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\\n\\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\\n\\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\\n\\treturn saturate( DG * RECIPROCAL_PI );\\n}\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tvec2 uv = vec2( roughness, dotNV );\\n\\treturn texture2D( dfgLUT, uv ).rg;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\n#ifdef USE_IRIDESCENCE\\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#else\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#endif\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\\n\\t#else\\n\\t\\tvec3 Fr = specularColor;\\n\\t#endif\\n\\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\nvec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\\n\\tvec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tvec2 dfgV = DFGApprox( vec3(0.0, 0.0, 1.0), vec3(sqrt(1.0 - dotNV * dotNV), 0.0, dotNV), material.roughness );\\n\\tvec2 dfgL = DFGApprox( vec3(0.0, 0.0, 1.0), vec3(sqrt(1.0 - dotNL * dotNL), 0.0, dotNL), material.roughness );\\n\\tvec3 FssEss_V = material.specularColor * dfgV.x + material.specularF90 * dfgV.y;\\n\\tvec3 FssEss_L = material.specularColor * dfgL.x + material.specularF90 * dfgL.y;\\n\\tfloat Ess_V = dfgV.x + dfgV.y;\\n\\tfloat Ess_L = dfgL.x + dfgL.y;\\n\\tfloat Ems_V = 1.0 - Ess_V;\\n\\tfloat Ems_L = 1.0 - Ess_L;\\n\\tvec3 Favg = material.specularColor + ( 1.0 - material.specularColor ) * 0.047619;\\n\\tvec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg * Favg + EPSILON );\\n\\tfloat compensationFactor = Ems_V * Ems_L;\\n\\tvec3 multiScatter = Fms * compensationFactor;\\n\\treturn singleScatter + multiScatter;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometryNormal;\\n\\t\\tvec3 viewDir = geometryViewDir;\\n\\t\\tvec3 position = geometryPosition;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3( 0, 1, 0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\treflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\\n\\t#else\\n\\t\\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\t#endif\\n\\tvec3 totalScattering = singleScattering + multiScattering;\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nvec3 geometryPosition = - vViewPosition;\\nvec3 geometryNormal = normal;\\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\nvec3 geometryClearcoatNormal = vec3( 0.0 );\\n#ifdef USE_CLEARCOAT\\n\\tgeometryClearcoatNormal = clearcoatNormal;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\\n\\tif ( material.iridescenceThickness == 0.0 ) {\\n\\t\\tmaterial.iridescence = 0.0;\\n\\t} else {\\n\\t\\tmaterial.iridescence = saturate( material.iridescence );\\n\\t}\\n\\tif ( material.iridescence > 0.0 ) {\\n\\t\\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\\n\\t\\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\\n\\t}\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometryPosition, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tvec4 spotColor;\\n\\tvec3 spotLightCoord;\\n\\tbool inSpotLightMap;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\\n\\t\\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\\n\\t\\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\\n\\t\\t#else\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\\n\\t\\t#endif\\n\\t\\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\\n\\t\\t\\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\\n\\t\\t\\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\\n\\t\\t\\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\\n\\t\\t\\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\\n\\t\\t#endif\\n\\t\\t#undef SPOT_LIGHT_MAP_INDEX\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#if defined( USE_LIGHT_PROBES )\\n\\t\\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometryNormal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\\n\\t#else\\n\\t\\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\\n\\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\\n\\tvFragDepth = 1.0 + gl_Position.w;\\n\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\\n\\t#endif\\n\\tdiffuseColor *= sampledDiffuseColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\t#if defined( USE_POINTS_UV )\\n\\t\\tvec2 uv = vUv;\\n\\t#else\\n\\t\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n\\t#endif\\n#endif\\n#ifdef USE_MAP\\n\\tdiffuseColor *= texture2D( map, uv );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_POINTS_UV )\\n\\tvarying vec2 vUv;\\n#else\\n\\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\t\\tuniform mat3 uvTransform;\\n\\t#endif\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphinstance_vertex = \"#ifdef USE_INSTANCING_MORPH\\n\\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\\n\\t}\\n#endif\";\n\nvar morphcolor_vertex = \"#if defined( USE_MORPHCOLORS )\\n\\tvColor *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t#if defined( USE_COLOR_ALPHA )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t#elif defined( USE_COLOR )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\\n\\t}\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_INSTANCING_MORPH\\n\\t\\tuniform float morphTargetBaseInfluence;\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t#endif\\n\\tuniform sampler2DArray morphTargetsTexture;\\n\\tuniform ivec2 morphTargetsTextureSize;\\n\\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\\n\\t\\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\\n\\t\\tint y = texelIndex / morphTargetsTextureSize.x;\\n\\t\\tint x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\\n\\t\\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\\n\\t}\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\\n\\t}\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = dFdx( vViewPosition );\\n\\tvec3 fdy = dFdy( vViewPosition );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal *= faceDirection;\\n\\t#endif\\n#endif\\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\\n\\t#ifdef USE_TANGENT\\n\\t\\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\\n\\t#else\\n\\t\\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\\n\\t\\t#if defined( USE_NORMALMAP )\\n\\t\\t\\tvNormalMapUv\\n\\t\\t#elif defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tvClearcoatNormalMapUv\\n\\t\\t#else\\n\\t\\t\\tvUv\\n\\t\\t#endif\\n\\t\\t);\\n\\t#endif\\n\\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\\n\\t\\ttbn[0] *= faceDirection;\\n\\t\\ttbn[1] *= faceDirection;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\t#ifdef USE_TANGENT\\n\\t\\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\\n\\t#else\\n\\t\\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\\n\\t#endif\\n\\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\\n\\t\\ttbn2[0] *= faceDirection;\\n\\t\\ttbn2[1] *= faceDirection;\\n\\t#endif\\n#endif\\nvec3 nonPerturbedNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef USE_NORMALMAP_OBJECTSPACE\\n\\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\tnormal = normalize( tbn * mapN );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef USE_NORMALMAP_OBJECTSPACE\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\\n\\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( uv.st );\\n\\t\\tvec2 st1 = dFdy( uv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\\n\\t\\treturn mat3( T * scale, B * scale, N );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = nonPerturbedNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\";\n\nvar iridescence_pars_fragment = \"#ifdef USE_IRIDESCENCEMAP\\n\\tuniform sampler2D iridescenceMap;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform sampler2D iridescenceThicknessMap;\\n#endif\";\n\nvar opaque_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= material.transmissionAlpha;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\\nconst float Inv255 = 1. / 255.;\\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec4( 0., 0., 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec4( 1., 1., 1., 1. );\\n\\tfloat vuf;\\n\\tfloat af = modf( v * PackFactors.a, vuf );\\n\\tfloat bf = modf( vuf * ShiftRight8, vuf );\\n\\tfloat gf = modf( vuf * ShiftRight8, vuf );\\n\\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\\n}\\nvec3 packDepthToRGB( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec3( 0., 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec3( 1., 1., 1. );\\n\\tfloat vuf;\\n\\tfloat bf = modf( v * PackFactors.b, vuf );\\n\\tfloat gf = modf( vuf * ShiftRight8, vuf );\\n\\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\\n}\\nvec2 packDepthToRG( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec2( 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec2( 1., 1. );\\n\\tfloat vuf;\\n\\tfloat gf = modf( v * 256., vuf );\\n\\treturn vec2( vuf * Inv255, gf );\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors4 );\\n}\\nfloat unpackRGBToDepth( const in vec3 v ) {\\n\\treturn dot( v, UnpackFactors3 );\\n}\\nfloat unpackRGToDepth( const in vec2 v ) {\\n\\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\\n}\\nvec4 pack2HalfToRGBA( const in vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( const in vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\\n\\treturn depth * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * depth - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_BATCHING\\n\\tmvPosition = batchingMatrix * mvPosition;\\n#endif\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#if NUM_SPOT_LIGHT_COORDS > 0\\n\\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\\n#endif\\n#if NUM_SPOT_LIGHT_MAPS > 0\\n\\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\\n#endif\\n#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\tfloat depth = unpackRGBAToDepth( texture2D( depths, uv ) );\\n\\t\\t#ifdef USE_REVERSED_DEPTH_BUFFER\\n\\t\\t\\treturn step( depth, compare );\\n\\t\\t#else\\n\\t\\t\\treturn step( compare, depth );\\n\\t\\t#endif\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow( sampler2D shadow, vec2 uv, float compare ) {\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\t#ifdef USE_REVERSED_DEPTH_BUFFER\\n\\t\\t\\tfloat hard_shadow = step( distribution.x, compare );\\n\\t\\t#else\\n\\t\\t\\tfloat hard_shadow = step( compare, distribution.x );\\n\\t\\t#endif\\n\\t\\tif ( hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\\n\\t\\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn mix( 1.0, shadow, shadowIntensity );\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\t\\n\\t\\tfloat lightToPositionLength = length( lightToPosition );\\n\\t\\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\\n\\t\\t\\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\t\\tdp += shadowBias;\\n\\t\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\t\\tshadow = (\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn mix( 1.0, shadow, shadowIntensity );\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#if NUM_SPOT_LIGHT_COORDS > 0\\n\\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\\n\\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\\n#endif\\n#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\\n\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\tvec4 shadowWorldPosition;\\n#endif\\n#if defined( USE_SHADOWMAP )\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if NUM_SPOT_LIGHT_COORDS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition;\\n\\t\\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\t\\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\\n\\t\\t#endif\\n\\t\\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\tuniform highp sampler2D boneTexture;\\n\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\tint size = textureSize( boneTexture, 0 ).x;\\n\\t\\tint j = int( i ) * 4;\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\\n\\t\\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\\n\\t\\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\\n\\t\\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\\n\\t\\treturn mat4( v1, v2, v3, v4 );\\n\\t}\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn saturate( toneMappingExposure * color );\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 CineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3( 1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108, 1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605, 1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\\n\\tvec3( 1.6605, - 0.1246, - 0.0182 ),\\n\\tvec3( - 0.5876, 1.1329, - 0.1006 ),\\n\\tvec3( - 0.0728, - 0.0083, 1.1187 )\\n);\\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\\n\\tvec3( 0.6274, 0.0691, 0.0164 ),\\n\\tvec3( 0.3293, 0.9195, 0.0880 ),\\n\\tvec3( 0.0433, 0.0113, 0.8956 )\\n);\\nvec3 agxDefaultContrastApprox( vec3 x ) {\\n\\tvec3 x2 = x * x;\\n\\tvec3 x4 = x2 * x2;\\n\\treturn + 15.5 * x4 * x2\\n\\t\\t- 40.14 * x4 * x\\n\\t\\t+ 31.96 * x4\\n\\t\\t- 6.868 * x2 * x\\n\\t\\t+ 0.4298 * x2\\n\\t\\t+ 0.1191 * x\\n\\t\\t- 0.00232;\\n}\\nvec3 AgXToneMapping( vec3 color ) {\\n\\tconst mat3 AgXInsetMatrix = mat3(\\n\\t\\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\\n\\t\\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\\n\\t\\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\\n\\t);\\n\\tconst mat3 AgXOutsetMatrix = mat3(\\n\\t\\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\\n\\t\\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\\n\\t\\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\\n\\t);\\n\\tconst float AgxMinEv = - 12.47393;\\tconst float AgxMaxEv = 4.026069;\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\\n\\tcolor = AgXInsetMatrix * color;\\n\\tcolor = max( color, 1e-10 );\\tcolor = log2( color );\\n\\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\\n\\tcolor = clamp( color, 0.0, 1.0 );\\n\\tcolor = agxDefaultContrastApprox( color );\\n\\tcolor = AgXOutsetMatrix * color;\\n\\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\\n\\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\\n\\tcolor = clamp( color, 0.0, 1.0 );\\n\\treturn color;\\n}\\nvec3 NeutralToneMapping( vec3 color ) {\\n\\tconst float StartCompression = 0.8 - 0.04;\\n\\tconst float Desaturation = 0.15;\\n\\tcolor *= toneMappingExposure;\\n\\tfloat x = min( color.r, min( color.g, color.b ) );\\n\\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\\n\\tcolor -= offset;\\n\\tfloat peak = max( color.r, max( color.g, color.b ) );\\n\\tif ( peak < StartCompression ) return color;\\n\\tfloat d = 1. - StartCompression;\\n\\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\\n\\tcolor *= newPeak / peak;\\n\\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\\n\\treturn mix( color, vec3( newPeak ), g );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tmaterial.transmission = transmission;\\n\\tmaterial.transmissionAlpha = 1.0;\\n\\tmaterial.thickness = thickness;\\n\\tmaterial.attenuationDistance = attenuationDistance;\\n\\tmaterial.attenuationColor = attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmitted = getIBLVolumeRefraction(\\n\\t\\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\\n\\t\\tmaterial.attenuationColor, material.attenuationDistance );\\n\\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\\n\\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tfloat w0( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\\n\\t}\\n\\tfloat w1( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\\n\\t}\\n\\tfloat w2( float a ){\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\\n\\t}\\n\\tfloat w3( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * a * a );\\n\\t}\\n\\tfloat g0( float a ) {\\n\\t\\treturn w0( a ) + w1( a );\\n\\t}\\n\\tfloat g1( float a ) {\\n\\t\\treturn w2( a ) + w3( a );\\n\\t}\\n\\tfloat h0( float a ) {\\n\\t\\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\\n\\t}\\n\\tfloat h1( float a ) {\\n\\t\\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\\n\\t}\\n\\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\\n\\t\\tuv = uv * texelSize.zw + 0.5;\\n\\t\\tvec2 iuv = floor( uv );\\n\\t\\tvec2 fuv = fract( uv );\\n\\t\\tfloat g0x = g0( fuv.x );\\n\\t\\tfloat g1x = g1( fuv.x );\\n\\t\\tfloat h0x = h0( fuv.x );\\n\\t\\tfloat h1x = h1( fuv.x );\\n\\t\\tfloat h0y = h0( fuv.y );\\n\\t\\tfloat h1y = h1( fuv.y );\\n\\t\\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\\n\\t\\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\\n\\t\\t\\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\\n\\t}\\n\\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\\n\\t\\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\\n\\t\\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\\n\\t\\tvec2 fLodSizeInv = 1.0 / fLodSize;\\n\\t\\tvec2 cLodSizeInv = 1.0 / cLodSize;\\n\\t\\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\\n\\t\\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\\n\\t\\treturn mix( fSample, cSample, fract( lod ) );\\n\\t}\\n\\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\\n\\t\\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\\n\\t}\\n\\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tif ( isinf( attenuationDistance ) ) {\\n\\t\\t\\treturn vec3( 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\\n\\t\\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\\n\\t\\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\\n\\t\\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tvec4 transmittedLight;\\n\\t\\tvec3 transmittance;\\n\\t\\t#ifdef USE_DISPERSION\\n\\t\\t\\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\\n\\t\\t\\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\\n\\t\\t\\tfor ( int i = 0; i < 3; i ++ ) {\\n\\t\\t\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\\n\\t\\t\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\t\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\t\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\t\\t\\trefractionCoords += 1.0;\\n\\t\\t\\t\\trefractionCoords /= 2.0;\\n\\t\\t\\t\\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\\n\\t\\t\\t\\ttransmittedLight[ i ] = transmissionSample[ i ];\\n\\t\\t\\t\\ttransmittedLight.a += transmissionSample.a;\\n\\t\\t\\t\\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\\n\\t\\t\\t}\\n\\t\\t\\ttransmittedLight.a /= 3.0;\\n\\t\\t#else\\n\\t\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\t\\trefractionCoords += 1.0;\\n\\t\\t\\trefractionCoords /= 2.0;\\n\\t\\t\\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\t\\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\t#endif\\n\\t\\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvarying vec2 vUv;\\n#endif\\n#ifdef USE_MAP\\n\\tvarying vec2 vMapUv;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tvarying vec2 vAlphaMapUv;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tvarying vec2 vLightMapUv;\\n#endif\\n#ifdef USE_AOMAP\\n\\tvarying vec2 vAoMapUv;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tvarying vec2 vBumpMapUv;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tvarying vec2 vNormalMapUv;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tvarying vec2 vEmissiveMapUv;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tvarying vec2 vMetalnessMapUv;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tvarying vec2 vRoughnessMapUv;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tvarying vec2 vAnisotropyMapUv;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tvarying vec2 vClearcoatMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvarying vec2 vClearcoatNormalMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tvarying vec2 vClearcoatRoughnessMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tvarying vec2 vIridescenceMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tvarying vec2 vIridescenceThicknessMapUv;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tvarying vec2 vSheenColorMapUv;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tvarying vec2 vSheenRoughnessMapUv;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tvarying vec2 vSpecularMapUv;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tvarying vec2 vSpecularColorMapUv;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tvarying vec2 vSpecularIntensityMapUv;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tuniform mat3 transmissionMapTransform;\\n\\tvarying vec2 vTransmissionMapUv;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tuniform mat3 thicknessMapTransform;\\n\\tvarying vec2 vThicknessMapUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvarying vec2 vUv;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform mat3 mapTransform;\\n\\tvarying vec2 vMapUv;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform mat3 alphaMapTransform;\\n\\tvarying vec2 vAlphaMapUv;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tuniform mat3 lightMapTransform;\\n\\tvarying vec2 vLightMapUv;\\n#endif\\n#ifdef USE_AOMAP\\n\\tuniform mat3 aoMapTransform;\\n\\tvarying vec2 vAoMapUv;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tuniform mat3 bumpMapTransform;\\n\\tvarying vec2 vBumpMapUv;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tuniform mat3 normalMapTransform;\\n\\tvarying vec2 vNormalMapUv;\\n#endif\\n#ifdef USE_DISPLACEMENTMAP\\n\\tuniform mat3 displacementMapTransform;\\n\\tvarying vec2 vDisplacementMapUv;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tuniform mat3 emissiveMapTransform;\\n\\tvarying vec2 vEmissiveMapUv;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tuniform mat3 metalnessMapTransform;\\n\\tvarying vec2 vMetalnessMapUv;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tuniform mat3 roughnessMapTransform;\\n\\tvarying vec2 vRoughnessMapUv;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tuniform mat3 anisotropyMapTransform;\\n\\tvarying vec2 vAnisotropyMapUv;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tuniform mat3 clearcoatMapTransform;\\n\\tvarying vec2 vClearcoatMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform mat3 clearcoatNormalMapTransform;\\n\\tvarying vec2 vClearcoatNormalMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform mat3 clearcoatRoughnessMapTransform;\\n\\tvarying vec2 vClearcoatRoughnessMapUv;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tuniform mat3 sheenColorMapTransform;\\n\\tvarying vec2 vSheenColorMapUv;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tuniform mat3 sheenRoughnessMapTransform;\\n\\tvarying vec2 vSheenRoughnessMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tuniform mat3 iridescenceMapTransform;\\n\\tvarying vec2 vIridescenceMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform mat3 iridescenceThicknessMapTransform;\\n\\tvarying vec2 vIridescenceThicknessMapUv;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tuniform mat3 specularMapTransform;\\n\\tvarying vec2 vSpecularMapUv;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tuniform mat3 specularColorMapTransform;\\n\\tvarying vec2 vSpecularColorMapUv;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tuniform mat3 specularIntensityMapTransform;\\n\\tvarying vec2 vSpecularIntensityMapUv;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tuniform mat3 transmissionMapTransform;\\n\\tvarying vec2 vTransmissionMapUv;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tuniform mat3 thicknessMapTransform;\\n\\tvarying vec2 vThicknessMapUv;\\n#endif\";\n\nvar uv_vertex = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvUv = vec3( uv, 1 ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_AOMAP\\n\\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_DISPLACEMENTMAP\\n\\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_BATCHING\\n\\t\\tworldPosition = batchingMatrix * worldPosition;\\n\\t#endif\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$h = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$h = \"uniform sampler2D t2D;\\nuniform float backgroundIntensity;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\\n\\t#endif\\n\\ttexColor.rgb *= backgroundIntensity;\\n\\tgl_FragColor = texColor;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$g = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$g = \"#ifdef ENVMAP_TYPE_CUBE\\n\\tuniform samplerCube envMap;\\n#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\tuniform sampler2D envMap;\\n#endif\\nuniform float flipEnvMap;\\nuniform float backgroundBlurriness;\\nuniform float backgroundIntensity;\\nuniform mat3 backgroundRotation;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\\n\\t#else\\n\\t\\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\t#endif\\n\\ttexColor.rgb *= backgroundIntensity;\\n\\tgl_FragColor = texColor;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\nvoid main() {\\n\\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\\n\\tgl_FragColor = texColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$e = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_REVERSED_DEPTH_BUFFER\\n\\t\\tfloat fragCoordZ = vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ];\\n\\t#else\\n\\t\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ] + 0.5;\\n\\t#endif\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#elif DEPTH_PACKING == 3202\\n\\t\\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\\n\\t#elif DEPTH_PACKING == 3203\\n\\t\\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main () {\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$a = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$9 = \"#define LAMBERT\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\\n\\t#ifdef OPAQUE\\n\\t\\tgl_FragColor.a = 1.0;\\n\\t#endif\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define USE_SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef USE_SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULAR_COLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULAR_INTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_DISPERSION\\n\\tuniform float dispersion;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tuniform float iridescence;\\n\\tuniform float iridescenceIOR;\\n\\tuniform float iridescenceThicknessMinimum;\\n\\tuniform float iridescenceThicknessMaximum;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEEN_COLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\n#ifdef USE_ANISOTROPY\\n\\tuniform vec2 anisotropyVector;\\n\\t#ifdef USE_ANISOTROPYMAP\\n\\t\\tuniform sampler2D anisotropyMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include \\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_SHEEN\\n\\t\\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\\n\\t\\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#ifdef USE_POINTS_UV\\n\\tvarying vec2 vUv;\\n\\tuniform mat3 uvTransform;\\n#endif\\nvoid main() {\\n\\t#ifdef USE_POINTS_UV\\n\\t\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$2 = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 mvPosition = modelViewMatrix[ 3 ];\\n\\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst ShaderChunk = {\n\talphahash_fragment: alphahash_fragment,\n\talphahash_pars_fragment: alphahash_pars_fragment,\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbatching_pars_vertex: batching_pars_vertex,\n\tbatching_vertex: batching_vertex,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tiridescence_fragment: iridescence_fragment,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tcolorspace_fragment: colorspace_fragment,\n\tcolorspace_pars_fragment: colorspace_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_fragment: lights_lambert_fragment,\n\tlights_lambert_pars_fragment: lights_lambert_pars_fragment,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphinstance_vertex: morphinstance_vertex,\n\tmorphcolor_vertex: morphcolor_vertex,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\tiridescence_pars_fragment: iridescence_pars_fragment,\n\topaque_fragment: opaque_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$h,\n\tbackground_frag: fragment$h,\n\tbackgroundCube_vert: vertex$g,\n\tbackgroundCube_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n// Uniforms library for shared webgl shaders\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tmapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\t\tspecularMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tenvMapRotation: { value: /*@__PURE__*/ new Matrix3() },\n\t\tflipEnvMap: { value: -1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // physical\n\t\trefractionRatio: { value: 0.98 }, // basic, lambert, phong\n\t\tdfgLUT: { value: null } // DFG LUT for physically-based rendering\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 },\n\t\taoMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 },\n\t\tlightMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tnormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null },\n\t\temissiveMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null },\n\t\tmetalnessMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null },\n\t\troughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: /*@__PURE__*/ new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotLightMap: { value: [] },\n\t\tspotShadowMap: { value: [] },\n\t\tspotLightMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: /*@__PURE__*/ new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\tmapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaTest: { value: 0 }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: /*@__PURE__*/ new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t\tbackgroundIntensity: { value: 1 }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\n\tbackgroundCube: {\n\n\t\tuniforms: {\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: -1 },\n\t\t\tbackgroundBlurriness: { value: 0 },\n\t\t\tbackgroundIntensity: { value: 1 },\n\t\t\tbackgroundRotation: { value: /*@__PURE__*/ new Matrix3() }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.backgroundCube_vert,\n\t\tfragmentShader: ShaderChunk.backgroundCube_frag\n\n\t},\n\n\tcube: {\n\n\t\tuniforms: {\n\t\t\ttCube: { value: null },\n\t\t\ttFlip: { value: -1 },\n\t\t\topacity: { value: 1.0 }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: /*@__PURE__*/ new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: /*@__PURE__*/ new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tclearcoatNormalMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tclearcoatNormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatRoughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tdispersion: { value: 0 },\n\t\t\tiridescence: { value: 0 },\n\t\t\tiridescenceMap: { value: null },\n\t\t\tiridescenceMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tiridescenceIOR: { value: 1.3 },\n\t\t\tiridescenceThicknessMinimum: { value: 100 },\n\t\t\tiridescenceThicknessMaximum: { value: 400 },\n\t\t\tiridescenceThicknessMap: { value: null },\n\t\t\tiridescenceThicknessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenColorMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tsheenRoughness: { value: 1 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\tsheenRoughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\ttransmissionSamplerSize: { value: /*@__PURE__*/ new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tthicknessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tspecularColor: { value: /*@__PURE__*/ new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t\tspecularColorMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tspecularIntensity: { value: 1 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularIntensityMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tanisotropyVector: { value: /*@__PURE__*/ new Vector2() },\n\t\t\tanisotropyMap: { value: null },\n\t\t\tanisotropyMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nconst _rgb = { r: 0, b: 0, g: 0 };\nconst _e1$1 = /*@__PURE__*/ new Euler();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\n\nfunction WebGLBackground( renderer, cubemaps, cubeuvmaps, state, objects, alpha, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = alpha === true ? 0 : 1;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction getBackground( scene ) {\n\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tconst usePMREM = scene.backgroundBlurriness > 0; // use PMREM if the user wants to blur the background\n\t\t\tbackground = ( usePMREM ? cubeuvmaps : cubemaps ).get( background );\n\n\t\t}\n\n\t\treturn background;\n\n\t}\n\n\tfunction render( scene ) {\n\n\t\tlet forceClear = false;\n\t\tconst background = getBackground( scene );\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tconst environmentBlendMode = renderer.xr.getEnvironmentBlendMode();\n\n\t\tif ( environmentBlendMode === 'additive' ) {\n\n\t\t\tstate.buffers.color.setClear( 0, 0, 0, 1, premultipliedAlpha );\n\n\t\t} else if ( environmentBlendMode === 'alpha-blend' ) {\n\n\t\t\tstate.buffers.color.setClear( 0, 0, 0, 0, premultipliedAlpha );\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\t// buffers might not be writable which is required to ensure a correct clear\n\n\t\t\tstate.buffers.depth.setTest( true );\n\t\t\tstate.buffers.depth.setMask( true );\n\t\t\tstate.buffers.color.setMask( true );\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t}\n\n\tfunction addToRenderList( renderList, scene ) {\n\n\t\tconst background = getBackground( scene );\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.backgroundCube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.backgroundCube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.backgroundCube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false,\n\t\t\t\t\t\tallowOverride: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// add \"envMap\" material property so the renderer can evaluate it like for built-in materials\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\t_e1$1.copy( scene.backgroundRotation );\n\n\t\t\t// accommodate left-handed frame\n\t\t\t_e1$1.x *= -1; _e1$1.y *= -1; _e1$1.z *= -1;\n\n\t\t\tif ( background.isCubeTexture && background.isRenderTargetTexture === false ) {\n\n\t\t\t\t// environment maps which are not cube render targets or PMREMs follow a different convention\n\t\t\t\t_e1$1.y *= -1;\n\t\t\t\t_e1$1.z *= -1;\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? -1 : 1;\n\t\t\tboxMesh.material.uniforms.backgroundBlurriness.value = scene.backgroundBlurriness;\n\t\t\tboxMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity;\n\t\t\tboxMesh.material.uniforms.backgroundRotation.value.setFromMatrix4( _m1$1.makeRotationFromEuler( _e1$1 ) );\n\t\t\tboxMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tboxMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false,\n\t\t\t\t\t\tallowOverride: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// add \"map\" material property so the renderer can evaluate it like for built-in materials\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\t\t\tplaneMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity;\n\t\t\tplaneMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tplaneMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tcolor.getRGB( _rgb, getUnlitUniformColorSpace( renderer ) );\n\n\t\tstate.buffers.color.setClear( _rgb.r, _rgb.g, _rgb.b, alpha, premultipliedAlpha );\n\n\t}\n\n\tfunction dispose() {\n\n\t\tif ( boxMesh !== undefined ) {\n\n\t\t\tboxMesh.geometry.dispose();\n\t\t\tboxMesh.material.dispose();\n\n\t\t\tboxMesh = undefined;\n\n\t\t}\n\n\t\tif ( planeMesh !== undefined ) {\n\n\t\t\tplaneMesh.geometry.dispose();\n\t\t\tplaneMesh.material.dispose();\n\n\t\t\tplaneMesh = undefined;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render,\n\t\taddToRenderList: addToRenderList,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, attributes ) {\n\n\tconst maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\tlet forceUpdate = false;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tconst state = getBindingState( geometry, program, material );\n\n\t\tif ( currentState !== state ) {\n\n\t\t\tcurrentState = state;\n\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t}\n\n\t\tupdateBuffers = needsUpdate( object, geometry, program, index );\n\n\t\tif ( updateBuffers ) saveCache( object, geometry, program, index );\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t}\n\n\t\tif ( updateBuffers || forceUpdate ) {\n\n\t\t\tforceUpdate = false;\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\treturn gl.createVertexArray();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\treturn gl.bindVertexArray( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\treturn gl.deleteVertexArray( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( object, geometry, program, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tconst cachedAttribute = cachedAttributes[ name ];\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\t\tif ( geometryAttribute && cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( object, geometry, program, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet attribute = attributes[ name ];\n\n\t\t\t\tif ( attribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) attribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) attribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tconst data = {};\n\t\t\t\tdata.attribute = attribute;\n\n\t\t\t\tif ( attribute && attribute.data ) {\n\n\t\t\t\t\tdata.data = attribute.data;\n\n\t\t\t\t}\n\n\t\t\t\tcache[ name ] = data;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tgl.vertexAttribDivisor( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset, integer ) {\n\n\t\tif ( integer === true ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\t// check for integer attributes\n\n\t\t\t\t\tconst integer = ( type === gl.INT || type === gl.UNSIGNED_INT || geometryAttribute.gpuType === IntType );\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement,\n\t\t\t\t\t\t\t\tinteger\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement,\n\t\t\t\t\t\t\t\tinteger\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\t\tforceUpdate = true;\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatibility\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info ) {\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tgl.drawArraysInstanced( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\tfunction renderMultiDraw( starts, counts, drawCount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\t\textension.multiDrawArraysWEBGL( mode, starts, 0, counts, 0, drawCount );\n\n\t\tlet elementCount = 0;\n\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\telementCount += counts[ i ];\n\n\t\t}\n\n\t\tinfo.update( elementCount, mode, 1 );\n\n\t}\n\n\tfunction renderMultiDrawInstances( starts, counts, drawCount, primcount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\n\t\tif ( extension === null ) {\n\n\t\t\tfor ( let i = 0; i < starts.length; i ++ ) {\n\n\t\t\t\trenderInstances( starts[ i ], counts[ i ], primcount[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\textension.multiDrawArraysInstancedWEBGL( mode, starts, 0, counts, 0, primcount, 0, drawCount );\n\n\t\t\tlet elementCount = 0;\n\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\telementCount += counts[ i ] * primcount[ i ];\n\n\t\t\t}\n\n\t\t\tinfo.update( elementCount, mode, 1 );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\tthis.renderMultiDraw = renderMultiDraw;\n\tthis.renderMultiDrawInstances = renderMultiDrawInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters, utils ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction textureFormatReadable( textureFormat ) {\n\n\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfunction textureTypeReadable( textureType ) {\n\n\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) );\n\n\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\ttextureType !== FloatType && ! halfFloatSupportedByExt ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\twarn( 'WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\tconst reversedDepthBuffer = parameters.reversedDepthBuffer === true && extensions.has( 'EXT_clip_control' );\n\n\tconst maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\tconst maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\tconst maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\tconst maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\tconst maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\tconst maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\tconst maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\tconst maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\n\tconst maxSamples = gl.getParameter( gl.MAX_SAMPLES );\n\n\treturn {\n\n\t\tisWebGL2: true, // keeping this for backwards compatibility\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\ttextureFormatReadable: textureFormatReadable,\n\t\ttextureTypeReadable: textureTypeReadable,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\t\treversedDepthBuffer: reversedDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\n\t};\n\n\tthis.setGlobalState = function ( planes, camera ) {\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nconst LOD_MIN = 4;\n\n// The standard deviations (radians) associated with the extra mips.\n// Used for scene blur in fromScene() method.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\n// Used for scene blur in fromScene() method.\nconst MAX_SAMPLES = 20;\n\n// GGX VNDF importance sampling configuration\nconst GGX_SAMPLES = 256;\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\nlet _oldActiveCubeFace = 0;\nlet _oldActiveMipmapLevel = 0;\nlet _oldXrEnabled = false;\n\nconst _origin = /*@__PURE__*/ new Vector3();\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * The prefiltering uses GGX VNDF (Visible Normal Distribution Function)\n * importance sampling based on \"Sampling the GGX Distribution of Visible Normals\"\n * (Heitz, 2018) to generate environment maps that accurately match the GGX BRDF\n * used in material rendering for physically-based image-based lighting.\n */\nclass PMREMGenerator {\n\n\t/**\n\t * Constructs a new PMREM generator.\n\t *\n\t * @param {WebGLRenderer} renderer - The renderer.\n\t */\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._lodMax = 0;\n\t\tthis._cubeSize = 0;\n\t\tthis._sizeLods = [];\n\t\tthis._sigmas = [];\n\t\tthis._lodMeshes = [];\n\n\t\tthis._backgroundBox = null;\n\n\t\tthis._cubemapMaterial = null;\n\t\tthis._equirectMaterial = null;\n\n\t\tthis._blurMaterial = null;\n\t\tthis._ggxMaterial = null;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety.\n\t *\n\t * @param {Scene} scene - The scene to be captured.\n\t * @param {number} [sigma=0] - The blur radius in radians.\n\t * @param {number} [near=0.1] - The near plane distance.\n\t * @param {number} [far=100] - The far plane distance.\n\t * @param {Object} [options={}] - The configuration options.\n\t * @param {number} [options.size=256] - The texture size of the PMREM.\n\t * @param {Vector3} [options.renderTarget=origin] - The position of the internal cube camera that renders the scene.\n\t * @return {WebGLRenderTarget} The resulting PMREM.\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100, options = {} ) {\n\n\t\tconst {\n\t\t\tsize = 256,\n\t\t\tposition = _origin,\n\t\t} = options;\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\t_oldActiveCubeFace = this._renderer.getActiveCubeFace();\n\t\t_oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel();\n\t\t_oldXrEnabled = this._renderer.xr.enabled;\n\n\t\tthis._renderer.xr.enabled = false;\n\n\t\tthis._setSize( size );\n\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\t\tcubeUVRenderTarget.depthBuffer = true;\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget, position );\n\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * or HDR. The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t *\n\t * @param {Texture} equirectangular - The equirectangular texture to be converted.\n\t * @param {?WebGLRenderTarget} [renderTarget=null] - The render target to use.\n\t * @return {WebGLRenderTarget} The resulting PMREM.\n\t */\n\tfromEquirectangular( equirectangular, renderTarget = null ) {\n\n\t\treturn this._fromTexture( equirectangular, renderTarget );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * or HDR. The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t *\n\t * @param {Texture} cubemap - The cubemap texture to be converted.\n\t * @param {?WebGLRenderTarget} [renderTarget=null] - The render target to use.\n\t * @return {WebGLRenderTarget} The resulting PMREM.\n\t */\n\tfromCubemap( cubemap, renderTarget = null ) {\n\n\t\treturn this._fromTexture( cubemap, renderTarget );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\t\t\tthis._compileMaterial( this._cubemapMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\t\t\tthis._compileMaterial( this._equirectMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._dispose();\n\n\t\tif ( this._cubemapMaterial !== null ) this._cubemapMaterial.dispose();\n\t\tif ( this._equirectMaterial !== null ) this._equirectMaterial.dispose();\n\n\t\tif ( this._backgroundBox !== null ) {\n\n\t\t\tthis._backgroundBox.geometry.dispose();\n\t\t\tthis._backgroundBox.material.dispose();\n\n\t\t}\n\n\t}\n\n\t// private interface\n\n\t_setSize( cubeSize ) {\n\n\t\tthis._lodMax = Math.floor( Math.log2( cubeSize ) );\n\t\tthis._cubeSize = Math.pow( 2, this._lodMax );\n\n\t}\n\n\t_dispose() {\n\n\t\tif ( this._blurMaterial !== null ) this._blurMaterial.dispose();\n\t\tif ( this._ggxMaterial !== null ) this._ggxMaterial.dispose();\n\n\t\tif ( this._pingPongRenderTarget !== null ) this._pingPongRenderTarget.dispose();\n\n\t\tfor ( let i = 0; i < this._lodMeshes.length; i ++ ) {\n\n\t\t\tthis._lodMeshes[ i ].geometry.dispose();\n\n\t\t}\n\n\t}\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._renderer.setRenderTarget( _oldTarget, _oldActiveCubeFace, _oldActiveMipmapLevel );\n\t\tthis._renderer.xr.enabled = _oldXrEnabled;\n\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture, renderTarget ) {\n\n\t\tif ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ) {\n\n\t\t\tthis._setSize( texture.image.length === 0 ? 16 : ( texture.image[ 0 ].width || texture.image[ 0 ].image.width ) );\n\n\t\t} else { // Equirectangular\n\n\t\t\tthis._setSize( texture.image.width / 4 );\n\n\t\t}\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\t_oldActiveCubeFace = this._renderer.getActiveCubeFace();\n\t\t_oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel();\n\t\t_oldXrEnabled = this._renderer.xr.enabled;\n\n\t\tthis._renderer.xr.enabled = false;\n\n\t\tconst cubeUVRenderTarget = renderTarget || this._allocateTargets();\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets() {\n\n\t\tconst width = 3 * Math.max( this._cubeSize, 16 * 7 );\n\t\tconst height = 4 * this._cubeSize;\n\n\t\tconst params = {\n\t\t\tmagFilter: LinearFilter,\n\t\t\tminFilter: LinearFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: HalfFloatType,\n\t\t\tformat: RGBAFormat,\n\t\t\tcolorSpace: LinearSRGBColorSpace,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( width, height, params );\n\n\t\tif ( this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width || this._pingPongRenderTarget.height !== height ) {\n\n\t\t\tif ( this._pingPongRenderTarget !== null ) {\n\n\t\t\t\tthis._dispose();\n\n\t\t\t}\n\n\t\t\tthis._pingPongRenderTarget = _createRenderTarget( width, height, params );\n\n\t\t\tconst { _lodMax } = this;\n\t\t\t( { lodMeshes: this._lodMeshes, sizeLods: this._sizeLods, sigmas: this._sigmas } = _createPlanes( _lodMax ) );\n\n\t\t\tthis._blurMaterial = _getBlurShader( _lodMax, width, height );\n\t\t\tthis._ggxMaterial = _getGGXShader( _lodMax, width, height );\n\n\t\t}\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst mesh = new Mesh( new BufferGeometry(), material );\n\t\tthis._renderer.compile( mesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget, position ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, -1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, -1, -1, -1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.autoClear = false;\n\n\t\t// https://github.com/mrdoob/three.js/issues/31413#issuecomment-3095966812\n\t\tconst reversedDepthBuffer = renderer.state.buffers.depth.getReversed();\n\n\t\tif ( reversedDepthBuffer ) {\n\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\t\trenderer.clearDepth();\n\t\t\trenderer.setRenderTarget( null );\n\n\t\t}\n\n\t\tif ( this._backgroundBox === null ) {\n\n\t\t\tthis._backgroundBox = new Mesh(\n\t\t\t\tnew BoxGeometry(),\n\t\t\t\tnew MeshBasicMaterial( {\n\t\t\t\t\tname: 'PMREM.Background',\n\t\t\t\t\tside: BackSide,\n\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\tdepthTest: false,\n\t\t\t\t} )\n\t\t\t);\n\n\t\t}\n\n\t\tconst backgroundBox = this._backgroundBox;\n\t\tconst backgroundMaterial = backgroundBox.material;\n\n\t\tlet useSolidColor = false;\n\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\n\t\t\tif ( col === 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.position.set( position.x, position.y, position.z );\n\t\t\t\tcubeCamera.lookAt( position.x + forwardSign[ i ], position.y, position.z );\n\n\t\t\t} else if ( col === 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.position.set( position.x, position.y, position.z );\n\t\t\t\tcubeCamera.lookAt( position.x, position.y + forwardSign[ i ], position.z );\n\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.position.set( position.x, position.y, position.z );\n\t\t\t\tcubeCamera.lookAt( position.x, position.y, position.z + forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\tconst size = this._cubeSize;\n\n\t\t\t_setViewport( cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size );\n\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\n\t\t\t}\n\n\t\t\tthis._cubemapMaterial.uniforms.flipEnvMap.value = ( texture.isRenderTargetTexture === false ) ? -1 : 1;\n\n\t\t} else {\n\n\t\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial;\n\n\t\tconst mesh = this._lodMeshes[ 0 ];\n\t\tmesh.material = material;\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tconst size = this._cubeSize;\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * size, 2 * size );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\n\t\tconst n = this._lodMeshes.length;\n\n\t\t// Use GGX VNDF importance sampling\n\t\tfor ( let i = 1; i < n; i ++ ) {\n\n\t\t\tthis._applyGGXFilter( cubeUVRenderTarget, i - 1, i );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * Applies GGX VNDF importance sampling filter to generate a prefiltered environment map.\n\t * Uses Monte Carlo integration with VNDF importance sampling to accurately represent the\n\t * GGX BRDF for physically-based rendering. Reads from the previous LOD level and\n\t * applies incremental roughness filtering to avoid over-blurring.\n\t *\n\t * @private\n\t * @param {WebGLRenderTarget} cubeUVRenderTarget\n\t * @param {number} lodIn - Source LOD level to read from\n\t * @param {number} lodOut - Target LOD level to write to\n\t */\n\t_applyGGXFilter( cubeUVRenderTarget, lodIn, lodOut ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tconst ggxMaterial = this._ggxMaterial;\n\t\tconst ggxMesh = this._lodMeshes[ lodOut ];\n\t\tggxMesh.material = ggxMaterial;\n\n\t\tconst ggxUniforms = ggxMaterial.uniforms;\n\n\t\t// Calculate incremental roughness between LOD levels\n\t\tconst targetRoughness = lodOut / ( this._lodMeshes.length - 1 );\n\t\tconst sourceRoughness = lodIn / ( this._lodMeshes.length - 1 );\n\t\tconst incrementalRoughness = Math.sqrt( targetRoughness * targetRoughness - sourceRoughness * sourceRoughness );\n\n\t\t// Apply blur strength mapping for better quality across the roughness range\n\t\tconst blurStrength = 0.05 + targetRoughness * 0.95;\n\t\tconst adjustedRoughness = incrementalRoughness * blurStrength;\n\n\t\t// Calculate viewport position based on output LOD level\n\t\tconst { _lodMax } = this;\n\t\tconst outputSize = this._sizeLods[ lodOut ];\n\t\tconst x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 );\n\t\tconst y = 4 * ( this._cubeSize - outputSize );\n\n\t\t// Read from previous LOD with incremental roughness\n\t\tggxUniforms[ 'envMap' ].value = cubeUVRenderTarget.texture;\n\t\tggxUniforms[ 'roughness' ].value = adjustedRoughness;\n\t\tggxUniforms[ 'mipInt' ].value = _lodMax - lodIn; // Sample from input LOD\n\n\t\t_setViewport( pingPongRenderTarget, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( pingPongRenderTarget );\n\t\trenderer.render( ggxMesh, _flatCamera );\n\n\t\t// Copy from pingPong back to cubeUV (simple direct copy)\n\t\tggxUniforms[ 'envMap' ].value = pingPongRenderTarget.texture;\n\t\tggxUniforms[ 'roughness' ].value = 0.0; // Direct copy\n\t\tggxUniforms[ 'mipInt' ].value = _lodMax - lodOut; // Read from the level we just wrote\n\n\t\t_setViewport( cubeUVRenderTarget, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( ggxMesh, _flatCamera );\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t *\n\t * Used for initial scene blur in fromScene() method when sigma > 0.\n\t *\n\t * @private\n\t * @param {WebGLRenderTarget} cubeUVRenderTarget\n\t * @param {number} lodIn\n\t * @param {number} lodOut\n\t * @param {number} sigma\n\t * @param {Vector3} [poleAxis]\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\terror(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = this._lodMeshes[ lodOut ];\n\t\tblurMesh.material = blurMaterial;\n\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = this._sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\twarn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i === 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tconst { _lodMax } = this;\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = _lodMax - lodIn;\n\n\t\tconst outputSize = this._sizeLods[ lodOut ];\n\t\tconst x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 );\n\t\tconst y = 4 * ( this._cubeSize - outputSize );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\n\n\nfunction _createPlanes( lodMax ) {\n\n\tconst sizeLods = [];\n\tconst sigmas = [];\n\tconst lodMeshes = [];\n\n\tlet lod = lodMax;\n\n\tconst totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n\tfor ( let i = 0; i < totalLods; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\tsizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > lodMax - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - lodMax + LOD_MIN - 1 ];\n\n\t\t} else if ( i === 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\tsigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 2 );\n\t\tconst min = - texelSize;\n\t\tconst max = 1 + texelSize;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : -1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\tlodMeshes.push( new Mesh( planes, null ) );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { lodMeshes, sizeLods, sigmas };\n\n}\n\nfunction _createRenderTarget( width, height, params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( width, height, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getGGXShader( lodMax, width, height ) {\n\n\tconst shaderMaterial = new ShaderMaterial( {\n\n\t\tname: 'PMREMGGXConvolution',\n\n\t\tdefines: {\n\t\t\t'GGX_SAMPLES': GGX_SAMPLES,\n\t\t\t'CUBEUV_TEXEL_WIDTH': 1.0 / width,\n\t\t\t'CUBEUV_TEXEL_HEIGHT': 1.0 / height,\n\t\t\t'CUBEUV_MAX_MIP': `${lodMax}.0`,\n\t\t},\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'roughness': { value: 0.0 },\n\t\t\t'mipInt': { value: 0 }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision highp float;\n\t\t\tprecision highp int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform float roughness;\n\t\t\tuniform float mipInt;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\t#define PI 3.14159265359\n\n\t\t\t// Van der Corput radical inverse\n\t\t\tfloat radicalInverse_VdC(uint bits) {\n\t\t\t\tbits = (bits << 16u) | (bits >> 16u);\n\t\t\t\tbits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\n\t\t\t\tbits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\n\t\t\t\tbits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\n\t\t\t\tbits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\n\t\t\t\treturn float(bits) * 2.3283064365386963e-10; // / 0x100000000\n\t\t\t}\n\n\t\t\t// Hammersley sequence\n\t\t\tvec2 hammersley(uint i, uint N) {\n\t\t\t\treturn vec2(float(i) / float(N), radicalInverse_VdC(i));\n\t\t\t}\n\n\t\t\t// GGX VNDF importance sampling (Eric Heitz 2018)\n\t\t\t// \"Sampling the GGX Distribution of Visible Normals\"\n\t\t\t// https://jcgt.org/published/0007/04/01/\n\t\t\tvec3 importanceSampleGGX_VNDF(vec2 Xi, vec3 V, float roughness) {\n\t\t\t\tfloat alpha = roughness * roughness;\n\n\t\t\t\t// Section 3.2: Transform view direction to hemisphere configuration\n\t\t\t\tvec3 Vh = normalize(vec3(alpha * V.x, alpha * V.y, V.z));\n\n\t\t\t\t// Section 4.1: Orthonormal basis\n\t\t\t\tfloat lensq = Vh.x * Vh.x + Vh.y * Vh.y;\n\t\t\t\tvec3 T1 = lensq > 0.0 ? vec3(-Vh.y, Vh.x, 0.0) / sqrt(lensq) : vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 T2 = cross(Vh, T1);\n\n\t\t\t\t// Section 4.2: Parameterization of projected area\n\t\t\t\tfloat r = sqrt(Xi.x);\n\t\t\t\tfloat phi = 2.0 * PI * Xi.y;\n\t\t\t\tfloat t1 = r * cos(phi);\n\t\t\t\tfloat t2 = r * sin(phi);\n\t\t\t\tfloat s = 0.5 * (1.0 + Vh.z);\n\t\t\t\tt2 = (1.0 - s) * sqrt(1.0 - t1 * t1) + s * t2;\n\n\t\t\t\t// Section 4.3: Reprojection onto hemisphere\n\t\t\t\tvec3 Nh = t1 * T1 + t2 * T2 + sqrt(max(0.0, 1.0 - t1 * t1 - t2 * t2)) * Vh;\n\n\t\t\t\t// Section 3.4: Transform back to ellipsoid configuration\n\t\t\t\treturn normalize(vec3(alpha * Nh.x, alpha * Nh.y, max(0.0, Nh.z)));\n\t\t\t}\n\n\t\t\tvoid main() {\n\t\t\t\tvec3 N = normalize(vOutputDirection);\n\t\t\t\tvec3 V = N; // Assume view direction equals normal for pre-filtering\n\n\t\t\t\tvec3 prefilteredColor = vec3(0.0);\n\t\t\t\tfloat totalWeight = 0.0;\n\n\t\t\t\t// For very low roughness, just sample the environment directly\n\t\t\t\tif (roughness < 0.001) {\n\t\t\t\t\tgl_FragColor = vec4(bilinearCubeUV(envMap, N, mipInt), 1.0);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Tangent space basis for VNDF sampling\n\t\t\t\tvec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 tangent = normalize(cross(up, N));\n\t\t\t\tvec3 bitangent = cross(N, tangent);\n\n\t\t\t\tfor(uint i = 0u; i < uint(GGX_SAMPLES); i++) {\n\t\t\t\t\tvec2 Xi = hammersley(i, uint(GGX_SAMPLES));\n\n\t\t\t\t\t// For PMREM, V = N, so in tangent space V is always (0, 0, 1)\n\t\t\t\t\tvec3 H_tangent = importanceSampleGGX_VNDF(Xi, vec3(0.0, 0.0, 1.0), roughness);\n\n\t\t\t\t\t// Transform H back to world space\n\t\t\t\t\tvec3 H = normalize(tangent * H_tangent.x + bitangent * H_tangent.y + N * H_tangent.z);\n\t\t\t\t\tvec3 L = normalize(2.0 * dot(V, H) * H - V);\n\n\t\t\t\t\tfloat NdotL = max(dot(N, L), 0.0);\n\n\t\t\t\t\tif(NdotL > 0.0) {\n\t\t\t\t\t\t// Sample environment at fixed mip level\n\t\t\t\t\t\t// VNDF importance sampling handles the distribution filtering\n\t\t\t\t\t\tvec3 sampleColor = bilinearCubeUV(envMap, L, mipInt);\n\n\t\t\t\t\t\t// Weight by NdotL for the split-sum approximation\n\t\t\t\t\t\t// VNDF PDF naturally accounts for the visible microfacet distribution\n\t\t\t\t\t\tprefilteredColor += sampleColor * NdotL;\n\t\t\t\t\t\ttotalWeight += NdotL;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif (totalWeight > 0.0) {\n\t\t\t\t\tprefilteredColor = prefilteredColor / totalWeight;\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = vec4(prefilteredColor, 1.0);\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getBlurShader( lodMax, width, height ) {\n\n\tconst weights = new Float32Array( MAX_SAMPLES );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new ShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: {\n\t\t\t'n': MAX_SAMPLES,\n\t\t\t'CUBEUV_TEXEL_WIDTH': 1.0 / width,\n\t\t\t'CUBEUV_TEXEL_HEIGHT': 1.0 / height,\n\t\t\t'CUBEUV_MAX_MIP': `${lodMax}.0`,\n\t\t},\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCubemapMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'flipEnvMap': { value: -1 }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\tlet renderTarget = cubeUVmaps.get( texture );\n\n\t\t\t\tconst currentPMREMVersion = renderTarget !== undefined ? renderTarget.texture.pmremVersion : 0;\n\n\t\t\t\tif ( texture.isRenderTargetTexture && texture.pmremVersion !== currentPMREMVersion ) {\n\n\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture, renderTarget ) : pmremGenerator.fromCubemap( texture, renderTarget );\n\t\t\t\t\trenderTarget.texture.pmremVersion = texture.pmremVersion;\n\n\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( renderTarget !== undefined ) {\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\t\trenderTarget.texture.pmremVersion = texture.pmremVersion;\n\n\t\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tconst extension = gl.getExtension( name );\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function () {\n\n\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\t\t\tgetExtension( 'WEBGL_clip_cull_distance' );\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\t\t\tgetExtension( 'WEBGL_render_shared_exponent' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\twarnOnce( 'WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else if ( geometryPosition !== undefined ) {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info ) {\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tgl.drawElementsInstanced( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\tfunction renderMultiDraw( starts, counts, drawCount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\t\textension.multiDrawElementsWEBGL( mode, counts, 0, type, starts, 0, drawCount );\n\n\t\tlet elementCount = 0;\n\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\telementCount += counts[ i ];\n\n\t\t}\n\n\t\tinfo.update( elementCount, mode, 1 );\n\n\n\t}\n\n\tfunction renderMultiDrawInstances( starts, counts, drawCount, primcount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\n\t\tif ( extension === null ) {\n\n\t\t\tfor ( let i = 0; i < starts.length; i ++ ) {\n\n\t\t\t\trenderInstances( starts[ i ] / bytesPerElement, counts[ i ], primcount[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\textension.multiDrawElementsInstancedWEBGL( mode, counts, 0, type, starts, 0, primcount, 0, drawCount );\n\n\t\t\tlet elementCount = 0;\n\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\telementCount += counts[ i ] * primcount[ i ];\n\n\t\t\t}\n\n\t\t\tinfo.update( elementCount, mode, 1 );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\tthis.renderMultiDraw = renderMultiDraw;\n\tthis.renderMultiDrawInstances = renderMultiDrawInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase gl.TRIANGLES:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINES:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINE_STRIP:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINE_LOOP:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase gl.POINTS:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\terror( 'WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector4();\n\n\tfunction update( object, geometry, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\t// the following encodes morph targets into an array of data textures. Each layer represents a single morph target.\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet entry = morphTextures.get( geometry );\n\n\t\tif ( entry === undefined || entry.count !== morphTargetsCount ) {\n\n\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\tconst hasMorphPosition = geometry.morphAttributes.position !== undefined;\n\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\t\t\tconst hasMorphColors = geometry.morphAttributes.color !== undefined;\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position || [];\n\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\t\t\tconst morphColors = geometry.morphAttributes.color || [];\n\n\t\t\tlet vertexDataCount = 0;\n\n\t\t\tif ( hasMorphPosition === true ) vertexDataCount = 1;\n\t\t\tif ( hasMorphNormals === true ) vertexDataCount = 2;\n\t\t\tif ( hasMorphColors === true ) vertexDataCount = 3;\n\n\t\t\tlet width = geometry.attributes.position.count * vertexDataCount;\n\t\t\tlet height = 1;\n\n\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t}\n\n\t\t\tconst buffer = new Float32Array( width * height * 4 * morphTargetsCount );\n\n\t\t\tconst texture = new DataArrayTexture( buffer, width, height, morphTargetsCount );\n\t\t\ttexture.type = FloatType;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\t// fill buffer\n\n\t\t\tconst vertexDataStride = vertexDataCount * 4;\n\n\t\t\tfor ( let i = 0; i < morphTargetsCount; i ++ ) {\n\n\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\tconst morphNormal = morphNormals[ i ];\n\t\t\t\tconst morphColor = morphColors[ i ];\n\n\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\tif ( hasMorphPosition === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hasMorphColors === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphColor, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 8 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 9 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 10 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morph.w : 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tentry = {\n\t\t\t\tcount: morphTargetsCount,\n\t\t\t\ttexture: texture,\n\t\t\t\tsize: new Vector2( width, height )\n\t\t\t};\n\n\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\tfunction disposeTexture() {\n\n\t\t\t\ttexture.dispose();\n\n\t\t\t\tmorphTextures.delete( geometry );\n\n\t\t\t\tgeometry.removeEventListener( 'dispose', disposeTexture );\n\n\t\t\t}\n\n\t\t\tgeometry.addEventListener( 'dispose', disposeTexture );\n\n\t\t}\n\n\t\t//\n\t\tif ( object.isInstancedMesh === true && object.morphTexture !== null ) {\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTexture', object.morphTexture, textures );\n\n\t\t} else {\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t}\n\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tif ( updateMap.get( object ) !== frame ) {\n\n\t\t\t\tattributes.update( object.instanceMatrix, gl.ARRAY_BUFFER );\n\n\t\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\t\tattributes.update( object.instanceColor, gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t\tupdateMap.set( object, frame );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( updateMap.get( skeleton ) !== frame ) {\n\n\t\t\t\tskeleton.update();\n\n\t\t\t\tupdateMap.set( skeleton, frame );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n * \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\n\nconst emptyTexture = /*@__PURE__*/ new Texture();\n\nconst emptyShadowTexture = /*@__PURE__*/ new DepthTexture( 1, 1 );\n\nconst emptyArrayTexture = /*@__PURE__*/ new DataArrayTexture();\nconst empty3dTexture = /*@__PURE__*/ new Data3DTexture();\nconst emptyCubeTexture = /*@__PURE__*/ new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array or THREE.VectorN)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2i( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3i( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4i( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array or THREE.VectorN)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2ui( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3ui( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4ui( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\tlet emptyTexture2D;\n\n\tif ( this.type === gl.SAMPLER_2D_SHADOW ) {\n\n\t\temptyShadowTexture.compareFunction = LessEqualCompare; // #28670\n\t\temptyTexture2D = emptyShadowTexture;\n\n\t} else {\n\n\t\temptyTexture2D = emptyTexture;\n\n\t}\n\n\ttextures.setTexture2D( v || emptyTexture2D, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || empty3dTexture, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyArrayTexture, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || empty3dTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyArrayTexture, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nclass SingleUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.type = activeInfo.type;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass PureArrayUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.type = activeInfo.type;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass StructuredUniform {\n\n\tconstructor( id ) {\n\n\t\tthis.id = id;\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\tsetValue( gl, value, textures ) {\n\n\t\tconst seq = this.seq;\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t\t}\n\n\t}\n\n}\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n// - followed by an optional right bracket (found when array index)\n// - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nclass WebGLUniforms {\n\n\tconstructor( gl, program ) {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t\tconst n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tsetValue( gl, name, value, textures ) {\n\n\t\tconst u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n\t}\n\n\tsetOptional( gl, object, name ) {\n\n\t\tconst v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t}\n\n\tstatic upload( gl, seq, values, textures ) {\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic seqWithValue( seq, values ) {\n\n\t\tconst r = [];\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n}\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\n// From https://www.khronos.org/registry/webgl/extensions/KHR_parallel_shader_compile/\nconst COMPLETION_STATUS_KHR = 0x91B1;\n\nlet programIdCount = 0;\n\nfunction handleSource( string, errorLine ) {\n\n\tconst lines = string.split( '\\n' );\n\tconst lines2 = [];\n\n\tconst from = Math.max( errorLine - 6, 0 );\n\tconst to = Math.min( errorLine + 6, lines.length );\n\n\tfor ( let i = from; i < to; i ++ ) {\n\n\t\tconst line = i + 1;\n\t\tlines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` );\n\n\t}\n\n\treturn lines2.join( '\\n' );\n\n}\n\nconst _m0 = /*@__PURE__*/ new Matrix3();\n\nfunction getEncodingComponents( colorSpace ) {\n\n\tColorManagement._getMatrix( _m0, ColorManagement.workingColorSpace, colorSpace );\n\n\tconst encodingMatrix = `mat3( ${ _m0.elements.map( ( v ) => v.toFixed( 4 ) ) } )`;\n\n\tswitch ( ColorManagement.getTransfer( colorSpace ) ) {\n\n\t\tcase LinearTransfer:\n\t\t\treturn [ encodingMatrix, 'LinearTransferOETF' ];\n\n\t\tcase SRGBTransfer:\n\t\t\treturn [ encodingMatrix, 'sRGBTransferOETF' ];\n\n\t\tdefault:\n\t\t\twarn( 'WebGLProgram: Unsupported color space: ', colorSpace );\n\t\t\treturn [ encodingMatrix, 'LinearTransferOETF' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, gl.COMPILE_STATUS );\n\n\tconst shaderInfoLog = gl.getShaderInfoLog( shader ) || '';\n\tconst errors = shaderInfoLog.trim();\n\n\tif ( status && errors === '' ) return '';\n\n\tconst errorMatches = /ERROR: 0:(\\d+)/.exec( errors );\n\tif ( errorMatches ) {\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\tconst errorLine = parseInt( errorMatches[ 1 ] );\n\t\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + handleSource( gl.getShaderSource( shader ), errorLine );\n\n\t} else {\n\n\t\treturn errors;\n\n\t}\n\n}\n\nfunction getTexelEncodingFunction( functionName, colorSpace ) {\n\n\tconst components = getEncodingComponents( colorSpace );\n\n\treturn [\n\n\t\t`vec4 ${functionName}( vec4 value ) {`,\n\n\t\t`\treturn ${components[ 1 ]}( vec4( value.rgb * ${components[ 0 ]}, value.a ) );`,\n\n\t\t'}',\n\n\t].join( '\\n' );\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'Cineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase AgXToneMapping:\n\t\t\ttoneMappingName = 'AgX';\n\t\t\tbreak;\n\n\t\tcase NeutralToneMapping:\n\t\t\ttoneMappingName = 'Neutral';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\twarn( 'WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\n\nfunction getLuminanceFunction() {\n\n\tColorManagement.getLuminanceCoefficients( _v0 );\n\n\tconst r = _v0.x.toFixed( 4 );\n\tconst g = _v0.y.toFixed( 4 );\n\tconst b = _v0.z.toFixed( 4 );\n\n\treturn [\n\n\t\t'float luminance( const in vec3 rgb ) {',\n\n\t\t`\tconst vec3 weights = vec3( ${ r }, ${ g }, ${ b } );`,\n\n\t\t'\treturn dot( weights, rgb );',\n\n\t\t'}'\n\n\t].join( '\\n' );\n\n}\n\nfunction generateVertexExtensions( parameters ) {\n\n\tconst chunks = [\n\t\tparameters.extensionClipCullDistance ? '#extension GL_ANGLE_clip_cull_distance : require' : '',\n\t\tparameters.extensionMultiDraw ? '#extension GL_ANGLE_multi_draw : require' : '',\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === gl.FLOAT_MAT2 ) locationSize = 2;\n\t\tif ( info.type === gl.FLOAT_MAT3 ) locationSize = 3;\n\t\tif ( info.type === gl.FLOAT_MAT4 ) locationSize = 4;\n\n\t\t// log( 'WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\tconst numSpotLightCoords = parameters.numSpotLightShadows + parameters.numSpotLightMaps - parameters.numSpotLightShadowsWithMaps;\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_SPOT_LIGHT_MAPS/g, parameters.numSpotLightMaps )\n\t\t.replace( /NUM_SPOT_LIGHT_COORDS/g, numSpotLightCoords )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g, parameters.numSpotLightShadowsWithMaps )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nconst shaderChunkMap = new Map();\n\nfunction includeReplacer( match, include ) {\n\n\tlet string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tconst newInclude = shaderChunkMap.get( include );\n\n\t\tif ( newInclude !== undefined ) {\n\n\t\t\tstring = ShaderChunk[ newInclude ];\n\t\t\twarn( 'WebGLRenderer: Shader chunk \"%s\" has been deprecated. Use \"%s\" instead.', include, newInclude );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t}\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string.replace( unrollLoopPattern, loopReplacer );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = `precision ${parameters.precision} float;\n\tprecision ${parameters.precision} int;\n\tprecision ${parameters.precision} sampler2D;\n\tprecision ${parameters.precision} samplerCube;\n\tprecision ${parameters.precision} sampler3D;\n\tprecision ${parameters.precision} sampler2DArray;\n\tprecision ${parameters.precision} sampler2DShadow;\n\tprecision ${parameters.precision} samplerCubeShadow;\n\tprecision ${parameters.precision} sampler2DArrayShadow;\n\tprecision ${parameters.precision} isampler2D;\n\tprecision ${parameters.precision} isampler3D;\n\tprecision ${parameters.precision} isamplerCube;\n\tprecision ${parameters.precision} isampler2DArray;\n\tprecision ${parameters.precision} usampler2D;\n\tprecision ${parameters.precision} usampler3D;\n\tprecision ${parameters.precision} usamplerCube;\n\tprecision ${parameters.precision} usampler2DArray;\n\t`;\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction generateCubeUVSize( parameters ) {\n\n\tconst imageHeight = parameters.envMapCubeUVHeight;\n\n\tif ( imageHeight === null ) return null;\n\n\tconst maxMip = Math.log2( imageHeight ) - 2;\n\n\tconst texelHeight = 1.0 / imageHeight;\n\n\tconst texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) );\n\n\treturn { texelWidth, texelHeight, maxMip };\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\tconst envMapCubeUVSize = generateCubeUVSize( parameters );\n\n\tconst customVertexExtensions = generateVertexExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.extensionClipCullDistance ? '#define USE_CLIP_DISTANCE' : '',\n\t\t\tparameters.batching ? '#define USE_BATCHING' : '',\n\t\t\tparameters.batchingColor ? '#define USE_BATCHING_COLOR' : '',\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\t\t\tparameters.instancingMorph ? '#define USE_INSTANCING_MORPH' : '',\n\n\t\t\tparameters.useFog && parameters.fog ? '#define USE_FOG' : '',\n\t\t\tparameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\tparameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '',\n\t\t\tparameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '',\n\t\t\tparameters.displacementMap ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\n\t\t\tparameters.anisotropy ? '#define USE_ANISOTROPY' : '',\n\t\t\tparameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaHash ? '#define USE_ALPHAHASH' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',\n\n\t\t\t//\n\n\t\t\tparameters.mapUv ? '#define MAP_UV ' + parameters.mapUv : '',\n\t\t\tparameters.alphaMapUv ? '#define ALPHAMAP_UV ' + parameters.alphaMapUv : '',\n\t\t\tparameters.lightMapUv ? '#define LIGHTMAP_UV ' + parameters.lightMapUv : '',\n\t\t\tparameters.aoMapUv ? '#define AOMAP_UV ' + parameters.aoMapUv : '',\n\t\t\tparameters.emissiveMapUv ? '#define EMISSIVEMAP_UV ' + parameters.emissiveMapUv : '',\n\t\t\tparameters.bumpMapUv ? '#define BUMPMAP_UV ' + parameters.bumpMapUv : '',\n\t\t\tparameters.normalMapUv ? '#define NORMALMAP_UV ' + parameters.normalMapUv : '',\n\t\t\tparameters.displacementMapUv ? '#define DISPLACEMENTMAP_UV ' + parameters.displacementMapUv : '',\n\n\t\t\tparameters.metalnessMapUv ? '#define METALNESSMAP_UV ' + parameters.metalnessMapUv : '',\n\t\t\tparameters.roughnessMapUv ? '#define ROUGHNESSMAP_UV ' + parameters.roughnessMapUv : '',\n\n\t\t\tparameters.anisotropyMapUv ? '#define ANISOTROPYMAP_UV ' + parameters.anisotropyMapUv : '',\n\n\t\t\tparameters.clearcoatMapUv ? '#define CLEARCOATMAP_UV ' + parameters.clearcoatMapUv : '',\n\t\t\tparameters.clearcoatNormalMapUv ? '#define CLEARCOAT_NORMALMAP_UV ' + parameters.clearcoatNormalMapUv : '',\n\t\t\tparameters.clearcoatRoughnessMapUv ? '#define CLEARCOAT_ROUGHNESSMAP_UV ' + parameters.clearcoatRoughnessMapUv : '',\n\n\t\t\tparameters.iridescenceMapUv ? '#define IRIDESCENCEMAP_UV ' + parameters.iridescenceMapUv : '',\n\t\t\tparameters.iridescenceThicknessMapUv ? '#define IRIDESCENCE_THICKNESSMAP_UV ' + parameters.iridescenceThicknessMapUv : '',\n\n\t\t\tparameters.sheenColorMapUv ? '#define SHEEN_COLORMAP_UV ' + parameters.sheenColorMapUv : '',\n\t\t\tparameters.sheenRoughnessMapUv ? '#define SHEEN_ROUGHNESSMAP_UV ' + parameters.sheenRoughnessMapUv : '',\n\n\t\t\tparameters.specularMapUv ? '#define SPECULARMAP_UV ' + parameters.specularMapUv : '',\n\t\t\tparameters.specularColorMapUv ? '#define SPECULAR_COLORMAP_UV ' + parameters.specularColorMapUv : '',\n\t\t\tparameters.specularIntensityMapUv ? '#define SPECULAR_INTENSITYMAP_UV ' + parameters.specularIntensityMapUv : '',\n\n\t\t\tparameters.transmissionMapUv ? '#define TRANSMISSIONMAP_UV ' + parameters.transmissionMapUv : '',\n\t\t\tparameters.thicknessMapUv ? '#define THICKNESSMAP_UV ' + parameters.thicknessMapUv : '',\n\n\t\t\t//\n\n\t\t\tparameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUv1s ? '#define USE_UV1' : '',\n\t\t\tparameters.vertexUv2s ? '#define USE_UV2' : '',\n\t\t\tparameters.vertexUv3s ? '#define USE_UV3' : '',\n\n\t\t\tparameters.pointsUvs ? '#define USE_POINTS_UV' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphColors ) ? '#define USE_MORPHCOLORS' : '',\n\t\t\t( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '',\n\t\t\t( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGARITHMIC_DEPTH_BUFFER' : '',\n\t\t\tparameters.reversedDepthBuffer ? '#define USE_REVERSED_DEPTH_BUFFER' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_MORPH',\n\n\t\t\t'\tuniform sampler2D morphTexture;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_UV1',\n\n\t\t\t'\tattribute vec2 uv1;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_UV2',\n\n\t\t\t'\tattribute vec2 uv2;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_UV3',\n\n\t\t\t'\tattribute vec2 uv3;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.useFog && parameters.fog ? '#define USE_FOG' : '',\n\t\t\tparameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.alphaToCoverage ? '#define ALPHA_TO_COVERAGE' : '',\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_WIDTH ' + envMapCubeUVSize.texelWidth : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_HEIGHT ' + envMapCubeUVSize.texelHeight : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_MAX_MIP ' + envMapCubeUVSize.maxMip + '.0' : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\tparameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '',\n\t\t\tparameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\n\t\t\tparameters.anisotropy ? '#define USE_ANISOTROPY' : '',\n\t\t\tparameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.dispersion ? '#define USE_DISPERSION' : '',\n\n\t\t\tparameters.iridescence ? '#define USE_IRIDESCENCE' : '',\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\t\t\tparameters.alphaHash ? '#define USE_ALPHAHASH' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor || parameters.batchingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUv1s ? '#define USE_UV1' : '',\n\t\t\tparameters.vertexUv2s ? '#define USE_UV2' : '',\n\t\t\tparameters.vertexUv3s ? '#define USE_UV3' : '',\n\n\t\t\tparameters.pointsUvs ? '#define USE_POINTS_UV' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',\n\n\t\t\tparameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '',\n\t\t\tparameters.decodeVideoTextureEmissive ? '#define DECODE_VIDEO_TEXTURE_EMISSIVE' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGARITHMIC_DEPTH_BUFFER' : '',\n\t\t\tparameters.reversedDepthBuffer ? '#define USE_REVERSED_DEPTH_BUFFER' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.opaque ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'colorspace_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputColorSpace ),\n\t\t\tgetLuminanceFunction(),\n\n\t\t\tparameters.useDepthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\tcustomVertexExtensions,\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'layout(location = 0) out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// log( '*VERTEX*', vertexGlsl );\n\t// log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\tfunction onFirstUse( self ) {\n\n\t\t// check for link errors\n\t\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\t\tconst programInfoLog = gl.getProgramInfoLog( program ) || '';\n\t\t\tconst vertexShaderInfoLog = gl.getShaderInfoLog( glVertexShader ) || '';\n\t\t\tconst fragmentShaderInfoLog = gl.getShaderInfoLog( glFragmentShader ) || '';\n\n\t\t\tconst programLog = programInfoLog.trim();\n\t\t\tconst vertexLog = vertexShaderInfoLog.trim();\n\t\t\tconst fragmentLog = fragmentShaderInfoLog.trim();\n\n\t\t\tlet runnable = true;\n\t\t\tlet haveDiagnostics = true;\n\n\t\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\t\trunnable = false;\n\n\t\t\t\tif ( typeof renderer.debug.onShaderError === 'function' ) {\n\n\t\t\t\t\trenderer.debug.onShaderError( gl, program, glVertexShader, glFragmentShader );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// default error reporting\n\n\t\t\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\t\t\terror(\n\t\t\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, gl.VALIDATE_STATUS ) + '\\n\\n' +\n\t\t\t\t\t\t'Material Name: ' + self.name + '\\n' +\n\t\t\t\t\t\t'Material Type: ' + self.type + '\\n\\n' +\n\t\t\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\t\t\tfragmentErrors\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( programLog !== '' ) {\n\n\t\t\t\twarn( 'WebGLProgram: Program Info Log:', programLog );\n\n\t\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\t\thaveDiagnostics = false;\n\n\t\t\t}\n\n\t\t\tif ( haveDiagnostics ) {\n\n\t\t\t\tself.diagnostics = {\n\n\t\t\t\t\trunnable: runnable,\n\n\t\t\t\t\tprogramLog: programLog,\n\n\t\t\t\t\tvertexShader: {\n\n\t\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t\t},\n\n\t\t\t\t\tfragmentShader: {\n\n\t\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t\t}\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Clean up\n\n\t\t// Crashes in iOS9 and iOS10. #18402\n\t\t// gl.detachShader( program, glVertexShader );\n\t\t// gl.detachShader( program, glFragmentShader );\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t}\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t// Populates cachedUniforms and cachedAttributes\n\t\t\tonFirstUse( this );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t// Populates cachedAttributes and cachedUniforms\n\t\t\tonFirstUse( this );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// indicate when the program is ready to be used. if the KHR_parallel_shader_compile extension isn't supported,\n\t// flag the program as ready immediately. It may cause a stall when it's first used.\n\n\tlet programReady = ( parameters.rendererExtensionParallelShaderCompile === false );\n\n\tthis.isReady = function () {\n\n\t\tif ( programReady === false ) {\n\n\t\t\tprogramReady = gl.getProgramParameter( program, COMPLETION_STATUS_KHR );\n\n\t\t}\n\n\t\treturn programReady;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.type = parameters.shaderType;\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nlet _id = 0;\n\nclass WebGLShaderCache {\n\n\tconstructor() {\n\n\t\tthis.shaderCache = new Map();\n\t\tthis.materialCache = new Map();\n\n\t}\n\n\tupdate( material ) {\n\n\t\tconst vertexShader = material.vertexShader;\n\t\tconst fragmentShader = material.fragmentShader;\n\n\t\tconst vertexShaderStage = this._getShaderStage( vertexShader );\n\t\tconst fragmentShaderStage = this._getShaderStage( fragmentShader );\n\n\t\tconst materialShaders = this._getShaderCacheForMaterial( material );\n\n\t\tif ( materialShaders.has( vertexShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( vertexShaderStage );\n\t\t\tvertexShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\tif ( materialShaders.has( fragmentShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( fragmentShaderStage );\n\t\t\tfragmentShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( material ) {\n\n\t\tconst materialShaders = this.materialCache.get( material );\n\n\t\tfor ( const shaderStage of materialShaders ) {\n\n\t\t\tshaderStage.usedTimes --;\n\n\t\t\tif ( shaderStage.usedTimes === 0 ) this.shaderCache.delete( shaderStage.code );\n\n\t\t}\n\n\t\tthis.materialCache.delete( material );\n\n\t\treturn this;\n\n\t}\n\n\tgetVertexShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.vertexShader ).id;\n\n\t}\n\n\tgetFragmentShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.fragmentShader ).id;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shaderCache.clear();\n\t\tthis.materialCache.clear();\n\n\t}\n\n\t_getShaderCacheForMaterial( material ) {\n\n\t\tconst cache = this.materialCache;\n\t\tlet set = cache.get( material );\n\n\t\tif ( set === undefined ) {\n\n\t\t\tset = new Set();\n\t\t\tcache.set( material, set );\n\n\t\t}\n\n\t\treturn set;\n\n\t}\n\n\t_getShaderStage( code ) {\n\n\t\tconst cache = this.shaderCache;\n\t\tlet stage = cache.get( code );\n\n\t\tif ( stage === undefined ) {\n\n\t\t\tstage = new WebGLShaderStage( code );\n\t\t\tcache.set( code, stage );\n\n\t\t}\n\n\t\treturn stage;\n\n\t}\n\n}\n\nclass WebGLShaderStage {\n\n\tconstructor( code ) {\n\n\t\tthis.id = _id ++;\n\n\t\tthis.code = code;\n\t\tthis.usedTimes = 0;\n\n\t}\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst _programLayers = new Layers();\n\tconst _customShaders = new WebGLShaderCache();\n\tconst _activeChannels = new Set();\n\tconst programs = [];\n\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst SUPPORTS_VERTEX_TEXTURES = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tfunction getChannel( value ) {\n\n\t\t_activeChannels.add( value );\n\n\t\tif ( value === 0 ) return 'uv';\n\n\t\treturn `uv${ value }`;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst geometry = object.geometry;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst envMapCubeUVHeight = ( !! envMap ) && ( envMap.mapping === CubeUVReflectionMapping ) ? envMap.image.height : null;\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\twarn( 'WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet morphTextureStride = 0;\n\n\t\tif ( geometry.morphAttributes.position !== undefined ) morphTextureStride = 1;\n\t\tif ( geometry.morphAttributes.normal !== undefined ) morphTextureStride = 2;\n\t\tif ( geometry.morphAttributes.color !== undefined ) morphTextureStride = 3;\n\n\t\t//\n\n\t\tlet vertexShader, fragmentShader;\n\t\tlet customVertexShaderID, customFragmentShaderID;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t\t_customShaders.update( material );\n\n\t\t\tcustomVertexShaderID = _customShaders.getVertexShaderID( material );\n\t\t\tcustomFragmentShaderID = _customShaders.getFragmentShaderID( material );\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst reversedDepthBuffer = renderer.state.buffers.depth.getReversed();\n\n\t\tconst IS_INSTANCEDMESH = object.isInstancedMesh === true;\n\t\tconst IS_BATCHEDMESH = object.isBatchedMesh === true;\n\n\t\tconst HAS_MAP = !! material.map;\n\t\tconst HAS_MATCAP = !! material.matcap;\n\t\tconst HAS_ENVMAP = !! envMap;\n\t\tconst HAS_AOMAP = !! material.aoMap;\n\t\tconst HAS_LIGHTMAP = !! material.lightMap;\n\t\tconst HAS_BUMPMAP = !! material.bumpMap;\n\t\tconst HAS_NORMALMAP = !! material.normalMap;\n\t\tconst HAS_DISPLACEMENTMAP = !! material.displacementMap;\n\t\tconst HAS_EMISSIVEMAP = !! material.emissiveMap;\n\n\t\tconst HAS_METALNESSMAP = !! material.metalnessMap;\n\t\tconst HAS_ROUGHNESSMAP = !! material.roughnessMap;\n\n\t\tconst HAS_ANISOTROPY = material.anisotropy > 0;\n\t\tconst HAS_CLEARCOAT = material.clearcoat > 0;\n\t\tconst HAS_DISPERSION = material.dispersion > 0;\n\t\tconst HAS_IRIDESCENCE = material.iridescence > 0;\n\t\tconst HAS_SHEEN = material.sheen > 0;\n\t\tconst HAS_TRANSMISSION = material.transmission > 0;\n\n\t\tconst HAS_ANISOTROPYMAP = HAS_ANISOTROPY && !! material.anisotropyMap;\n\n\t\tconst HAS_CLEARCOATMAP = HAS_CLEARCOAT && !! material.clearcoatMap;\n\t\tconst HAS_CLEARCOAT_NORMALMAP = HAS_CLEARCOAT && !! material.clearcoatNormalMap;\n\t\tconst HAS_CLEARCOAT_ROUGHNESSMAP = HAS_CLEARCOAT && !! material.clearcoatRoughnessMap;\n\n\t\tconst HAS_IRIDESCENCEMAP = HAS_IRIDESCENCE && !! material.iridescenceMap;\n\t\tconst HAS_IRIDESCENCE_THICKNESSMAP = HAS_IRIDESCENCE && !! material.iridescenceThicknessMap;\n\n\t\tconst HAS_SHEEN_COLORMAP = HAS_SHEEN && !! material.sheenColorMap;\n\t\tconst HAS_SHEEN_ROUGHNESSMAP = HAS_SHEEN && !! material.sheenRoughnessMap;\n\n\t\tconst HAS_SPECULARMAP = !! material.specularMap;\n\t\tconst HAS_SPECULAR_COLORMAP = !! material.specularColorMap;\n\t\tconst HAS_SPECULAR_INTENSITYMAP = !! material.specularIntensityMap;\n\n\t\tconst HAS_TRANSMISSIONMAP = HAS_TRANSMISSION && !! material.transmissionMap;\n\t\tconst HAS_THICKNESSMAP = HAS_TRANSMISSION && !! material.thicknessMap;\n\n\t\tconst HAS_GRADIENTMAP = !! material.gradientMap;\n\n\t\tconst HAS_ALPHAMAP = !! material.alphaMap;\n\n\t\tconst HAS_ALPHATEST = material.alphaTest > 0;\n\n\t\tconst HAS_ALPHAHASH = !! material.alphaHash;\n\n\t\tconst HAS_EXTENSIONS = !! material.extensions;\n\n\t\tlet toneMapping = NoToneMapping;\n\n\t\tif ( material.toneMapped ) {\n\n\t\t\tif ( currentRenderTarget === null || currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\t\t\ttoneMapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst parameters = {\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderType: material.type,\n\t\t\tshaderName: material.name,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tcustomVertexShaderID: customVertexShaderID,\n\t\t\tcustomFragmentShaderID: customFragmentShaderID,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tbatching: IS_BATCHEDMESH,\n\t\t\tbatchingColor: IS_BATCHEDMESH && object._colorsTexture !== null,\n\t\t\tinstancing: IS_INSTANCEDMESH,\n\t\t\tinstancingColor: IS_INSTANCEDMESH && object.instanceColor !== null,\n\t\t\tinstancingMorph: IS_INSTANCEDMESH && object.morphTexture !== null,\n\n\t\t\tsupportsVertexTextures: SUPPORTS_VERTEX_TEXTURES,\n\t\t\toutputColorSpace: ( currentRenderTarget === null ) ? renderer.outputColorSpace : ( currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace ),\n\t\t\talphaToCoverage: !! material.alphaToCoverage,\n\n\t\t\tmap: HAS_MAP,\n\t\t\tmatcap: HAS_MATCAP,\n\t\t\tenvMap: HAS_ENVMAP,\n\t\t\tenvMapMode: HAS_ENVMAP && envMap.mapping,\n\t\t\tenvMapCubeUVHeight: envMapCubeUVHeight,\n\t\t\taoMap: HAS_AOMAP,\n\t\t\tlightMap: HAS_LIGHTMAP,\n\t\t\tbumpMap: HAS_BUMPMAP,\n\t\t\tnormalMap: HAS_NORMALMAP,\n\t\t\tdisplacementMap: SUPPORTS_VERTEX_TEXTURES && HAS_DISPLACEMENTMAP,\n\t\t\temissiveMap: HAS_EMISSIVEMAP,\n\n\t\t\tnormalMapObjectSpace: HAS_NORMALMAP && material.normalMapType === ObjectSpaceNormalMap,\n\t\t\tnormalMapTangentSpace: HAS_NORMALMAP && material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tmetalnessMap: HAS_METALNESSMAP,\n\t\t\troughnessMap: HAS_ROUGHNESSMAP,\n\n\t\t\tanisotropy: HAS_ANISOTROPY,\n\t\t\tanisotropyMap: HAS_ANISOTROPYMAP,\n\n\t\t\tclearcoat: HAS_CLEARCOAT,\n\t\t\tclearcoatMap: HAS_CLEARCOATMAP,\n\t\t\tclearcoatNormalMap: HAS_CLEARCOAT_NORMALMAP,\n\t\t\tclearcoatRoughnessMap: HAS_CLEARCOAT_ROUGHNESSMAP,\n\n\t\t\tdispersion: HAS_DISPERSION,\n\n\t\t\tiridescence: HAS_IRIDESCENCE,\n\t\t\tiridescenceMap: HAS_IRIDESCENCEMAP,\n\t\t\tiridescenceThicknessMap: HAS_IRIDESCENCE_THICKNESSMAP,\n\n\t\t\tsheen: HAS_SHEEN,\n\t\t\tsheenColorMap: HAS_SHEEN_COLORMAP,\n\t\t\tsheenRoughnessMap: HAS_SHEEN_ROUGHNESSMAP,\n\n\t\t\tspecularMap: HAS_SPECULARMAP,\n\t\t\tspecularColorMap: HAS_SPECULAR_COLORMAP,\n\t\t\tspecularIntensityMap: HAS_SPECULAR_INTENSITYMAP,\n\n\t\t\ttransmission: HAS_TRANSMISSION,\n\t\t\ttransmissionMap: HAS_TRANSMISSIONMAP,\n\t\t\tthicknessMap: HAS_THICKNESSMAP,\n\n\t\t\tgradientMap: HAS_GRADIENTMAP,\n\n\t\t\topaque: material.transparent === false && material.blending === NormalBlending && material.alphaToCoverage === false,\n\n\t\t\talphaMap: HAS_ALPHAMAP,\n\t\t\talphaTest: HAS_ALPHATEST,\n\t\t\talphaHash: HAS_ALPHAHASH,\n\n\t\t\tcombine: material.combine,\n\n\t\t\t//\n\n\t\t\tmapUv: HAS_MAP && getChannel( material.map.channel ),\n\t\t\taoMapUv: HAS_AOMAP && getChannel( material.aoMap.channel ),\n\t\t\tlightMapUv: HAS_LIGHTMAP && getChannel( material.lightMap.channel ),\n\t\t\tbumpMapUv: HAS_BUMPMAP && getChannel( material.bumpMap.channel ),\n\t\t\tnormalMapUv: HAS_NORMALMAP && getChannel( material.normalMap.channel ),\n\t\t\tdisplacementMapUv: HAS_DISPLACEMENTMAP && getChannel( material.displacementMap.channel ),\n\t\t\temissiveMapUv: HAS_EMISSIVEMAP && getChannel( material.emissiveMap.channel ),\n\n\t\t\tmetalnessMapUv: HAS_METALNESSMAP && getChannel( material.metalnessMap.channel ),\n\t\t\troughnessMapUv: HAS_ROUGHNESSMAP && getChannel( material.roughnessMap.channel ),\n\n\t\t\tanisotropyMapUv: HAS_ANISOTROPYMAP && getChannel( material.anisotropyMap.channel ),\n\n\t\t\tclearcoatMapUv: HAS_CLEARCOATMAP && getChannel( material.clearcoatMap.channel ),\n\t\t\tclearcoatNormalMapUv: HAS_CLEARCOAT_NORMALMAP && getChannel( material.clearcoatNormalMap.channel ),\n\t\t\tclearcoatRoughnessMapUv: HAS_CLEARCOAT_ROUGHNESSMAP && getChannel( material.clearcoatRoughnessMap.channel ),\n\n\t\t\tiridescenceMapUv: HAS_IRIDESCENCEMAP && getChannel( material.iridescenceMap.channel ),\n\t\t\tiridescenceThicknessMapUv: HAS_IRIDESCENCE_THICKNESSMAP && getChannel( material.iridescenceThicknessMap.channel ),\n\n\t\t\tsheenColorMapUv: HAS_SHEEN_COLORMAP && getChannel( material.sheenColorMap.channel ),\n\t\t\tsheenRoughnessMapUv: HAS_SHEEN_ROUGHNESSMAP && getChannel( material.sheenRoughnessMap.channel ),\n\n\t\t\tspecularMapUv: HAS_SPECULARMAP && getChannel( material.specularMap.channel ),\n\t\t\tspecularColorMapUv: HAS_SPECULAR_COLORMAP && getChannel( material.specularColorMap.channel ),\n\t\t\tspecularIntensityMapUv: HAS_SPECULAR_INTENSITYMAP && getChannel( material.specularIntensityMap.channel ),\n\n\t\t\ttransmissionMapUv: HAS_TRANSMISSIONMAP && getChannel( material.transmissionMap.channel ),\n\t\t\tthicknessMapUv: HAS_THICKNESSMAP && getChannel( material.thicknessMap.channel ),\n\n\t\t\talphaMapUv: HAS_ALPHAMAP && getChannel( material.alphaMap.channel ),\n\n\t\t\t//\n\n\t\t\tvertexTangents: !! geometry.attributes.tangent && ( HAS_NORMALMAP || HAS_ANISOTROPY ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4,\n\n\t\t\tpointsUvs: object.isPoints === true && !! geometry.attributes.uv && ( HAS_MAP || HAS_ALPHAMAP ),\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog === true,\n\t\t\tfogExp2: ( !! fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: ( material.flatShading === true && material.wireframe === false ),\n\n\t\t\tsizeAttenuation: material.sizeAttenuation === true,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\t\t\treversedDepthBuffer: reversedDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true,\n\n\t\t\tmorphTargets: geometry.morphAttributes.position !== undefined,\n\t\t\tmorphNormals: geometry.morphAttributes.normal !== undefined,\n\t\t\tmorphColors: geometry.morphAttributes.color !== undefined,\n\t\t\tmorphTargetsCount: morphTargetsCount,\n\t\t\tmorphTextureStride: morphTextureStride,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumSpotLightMaps: lights.spotLightMap.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\t\t\tnumSpotLightShadowsWithMaps: lights.numSpotLightShadowsWithMaps,\n\n\t\t\tnumLightProbes: lights.numLightProbes,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: toneMapping,\n\n\t\t\tdecodeVideoTexture: HAS_MAP && ( material.map.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.map.colorSpace ) === SRGBTransfer ),\n\t\t\tdecodeVideoTextureEmissive: HAS_EMISSIVEMAP && ( material.emissiveMap.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.emissiveMap.colorSpace ) === SRGBTransfer ),\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tuseDepthPacking: material.depthPacking >= 0,\n\t\t\tdepthPacking: material.depthPacking || 0,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionClipCullDistance: HAS_EXTENSIONS && material.extensions.clipCullDistance === true && extensions.has( 'WEBGL_clip_cull_distance' ),\n\t\t\textensionMultiDraw: ( HAS_EXTENSIONS && material.extensions.multiDraw === true || IS_BATCHEDMESH ) && extensions.has( 'WEBGL_multi_draw' ),\n\n\t\t\trendererExtensionParallelShaderCompile: extensions.has( 'KHR_parallel_shader_compile' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\t// the usage of getChannel() determines the active texture channels for this shader\n\n\t\tparameters.vertexUv1s = _activeChannels.has( 1 );\n\t\tparameters.vertexUv2s = _activeChannels.has( 2 );\n\t\tparameters.vertexUv3s = _activeChannels.has( 3 );\n\n\t\t_activeChannels.clear();\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( parameters.customVertexShaderID );\n\t\t\tarray.push( parameters.customFragmentShaderID );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tgetProgramCacheKeyParameters( array, parameters );\n\t\t\tgetProgramCacheKeyBooleans( array, parameters );\n\t\t\tarray.push( renderer.outputColorSpace );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getProgramCacheKeyParameters( array, parameters ) {\n\n\t\tarray.push( parameters.precision );\n\t\tarray.push( parameters.outputColorSpace );\n\t\tarray.push( parameters.envMapMode );\n\t\tarray.push( parameters.envMapCubeUVHeight );\n\t\tarray.push( parameters.mapUv );\n\t\tarray.push( parameters.alphaMapUv );\n\t\tarray.push( parameters.lightMapUv );\n\t\tarray.push( parameters.aoMapUv );\n\t\tarray.push( parameters.bumpMapUv );\n\t\tarray.push( parameters.normalMapUv );\n\t\tarray.push( parameters.displacementMapUv );\n\t\tarray.push( parameters.emissiveMapUv );\n\t\tarray.push( parameters.metalnessMapUv );\n\t\tarray.push( parameters.roughnessMapUv );\n\t\tarray.push( parameters.anisotropyMapUv );\n\t\tarray.push( parameters.clearcoatMapUv );\n\t\tarray.push( parameters.clearcoatNormalMapUv );\n\t\tarray.push( parameters.clearcoatRoughnessMapUv );\n\t\tarray.push( parameters.iridescenceMapUv );\n\t\tarray.push( parameters.iridescenceThicknessMapUv );\n\t\tarray.push( parameters.sheenColorMapUv );\n\t\tarray.push( parameters.sheenRoughnessMapUv );\n\t\tarray.push( parameters.specularMapUv );\n\t\tarray.push( parameters.specularColorMapUv );\n\t\tarray.push( parameters.specularIntensityMapUv );\n\t\tarray.push( parameters.transmissionMapUv );\n\t\tarray.push( parameters.thicknessMapUv );\n\t\tarray.push( parameters.combine );\n\t\tarray.push( parameters.fogExp2 );\n\t\tarray.push( parameters.sizeAttenuation );\n\t\tarray.push( parameters.morphTargetsCount );\n\t\tarray.push( parameters.morphAttributeCount );\n\t\tarray.push( parameters.numDirLights );\n\t\tarray.push( parameters.numPointLights );\n\t\tarray.push( parameters.numSpotLights );\n\t\tarray.push( parameters.numSpotLightMaps );\n\t\tarray.push( parameters.numHemiLights );\n\t\tarray.push( parameters.numRectAreaLights );\n\t\tarray.push( parameters.numDirLightShadows );\n\t\tarray.push( parameters.numPointLightShadows );\n\t\tarray.push( parameters.numSpotLightShadows );\n\t\tarray.push( parameters.numSpotLightShadowsWithMaps );\n\t\tarray.push( parameters.numLightProbes );\n\t\tarray.push( parameters.shadowMapType );\n\t\tarray.push( parameters.toneMapping );\n\t\tarray.push( parameters.numClippingPlanes );\n\t\tarray.push( parameters.numClipIntersection );\n\t\tarray.push( parameters.depthPacking );\n\n\t}\n\n\tfunction getProgramCacheKeyBooleans( array, parameters ) {\n\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.supportsVertexTextures )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.instancing )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.instancingColor )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.instancingMorph )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.matcap )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.envMap )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.normalMapObjectSpace )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.normalMapTangentSpace )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.clearcoat )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.iridescence )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.alphaTest )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.vertexColors )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.vertexAlphas )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.vertexUv1s )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.vertexUv2s )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.vertexUv3s )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.vertexTangents )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.anisotropy )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.alphaHash )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.batching )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.dispersion )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.batchingColor )\n\t\t\t_programLayers.enable( 21 );\n\t\tif ( parameters.gradientMap )\n\t\t\t_programLayers.enable( 22 );\n\n\t\tarray.push( _programLayers.mask );\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.fog )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.useFog )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.flatShading )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.logarithmicDepthBuffer )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.reversedDepthBuffer )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.skinning )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.morphTargets )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.morphNormals )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.morphColors )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.premultipliedAlpha )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.shadowMapEnabled )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.doubleSided )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.flipSided )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.useDepthPacking )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.dithering )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.transmission )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.sheen )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.opaque )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.pointsUvs )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.decodeVideoTexture )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.decodeVideoTextureEmissive )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.alphaToCoverage )\n\t\t\t_programLayers.enable( 21 );\n\n\t\tarray.push( _programLayers.mask );\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\tfunction releaseShaderCache( material ) {\n\n\t\t_customShaders.remove( material );\n\n\t}\n\n\tfunction dispose() {\n\n\t\t_customShaders.dispose();\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\treleaseShaderCache: releaseShaderCache,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction has( object ) {\n\n\t\treturn properties.has( object );\n\n\t}\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\thas: has,\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList() {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists() {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tconst listArray = lists.get( scene );\n\t\tlet list;\n\n\t\tif ( listArray === undefined ) {\n\n\t\t\tlist = new WebGLRenderList();\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= listArray.length ) {\n\n\t\t\t\tlist = new WebGLRenderList();\n\t\t\t\tlistArray.push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = listArray[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingAndTexturingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 2 : 0 ) - ( lightA.castShadow ? 2 : 0 ) + ( lightB.map ? 1 : 0 ) - ( lightA.map ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: -1,\n\t\t\tpointLength: -1,\n\t\t\tspotLength: -1,\n\t\t\trectAreaLength: -1,\n\t\t\themiLength: -1,\n\n\t\t\tnumDirectionalShadows: -1,\n\t\t\tnumPointShadows: -1,\n\t\t\tnumSpotShadows: -1,\n\t\t\tnumSpotMaps: -1,\n\n\t\t\tnumLightProbes: -1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotLightMap: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotLightMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: [],\n\t\tnumSpotLightShadowsWithMaps: 0,\n\t\tnumLightProbes: 0\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\t\tlet numSpotMaps = 0;\n\t\tlet numSpotShadowsWithMaps = 0;\n\n\t\tlet numLightProbes = 0;\n\n\t\t// ordering : [shadow casting + map texturing, map texturing, shadow casting, none ]\n\t\tlights.sort( shadowCastingAndTexturingLightsFirst );\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity;\n\t\t\t\tg += color.g * intensity;\n\t\t\t\tb += color.b * intensity;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t\tnumLightProbes ++;\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\tif ( light.map ) {\n\n\t\t\t\t\tstate.spotLightMap[ numSpotMaps ] = light.map;\n\t\t\t\t\tnumSpotMaps ++;\n\n\t\t\t\t\t// make sure the lightMatrix is up to date\n\t\t\t\t\t// TODO : do it if required only\n\t\t\t\t\tshadow.updateMatrices( light );\n\n\t\t\t\t\tif ( light.castShadow ) numSpotShadowsWithMaps ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spotLightMatrix[ spotLength ] = shadow.matrix;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ||\n\t\t\thash.numSpotMaps !== numSpotMaps ||\n\t\t\thash.numLightProbes !== numLightProbes ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotLightMatrix.length = numSpotShadows + numSpotMaps - numSpotShadowsWithMaps;\n\t\t\tstate.spotLightMap.length = numSpotMaps;\n\t\t\tstate.numSpotLightShadowsWithMaps = numSpotShadowsWithMaps;\n\t\t\tstate.numLightProbes = numLightProbes;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\t\t\thash.numSpotMaps = numSpotMaps;\n\n\t\t\thash.numLightProbes = numLightProbes;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions ) {\n\n\tconst lights = new WebGLLights( extensions );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init( camera ) {\n\n\t\tstate.camera = camera;\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights() {\n\n\t\tlights.setup( lightsArray );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tcamera: null,\n\n\t\tlights: lights,\n\n\t\ttransmissionRenderTarget: {}\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tconst renderStateArray = renderStates.get( scene );\n\t\tlet renderState;\n\n\t\tif ( renderStateArray === undefined ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStateArray.length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions );\n\t\t\t\trenderStateArray.push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStateArray[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include \\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( renderer, objects, capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = capabilities.maxTextureSize;\n\n\tconst shadowSide = { [ FrontSide ]: BackSide, [ BackSide ]: FrontSide, [ DoubleSide ]: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ -1, -1, 0.5, 3, -1, 0.5, -1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\tlet _previousType = this.type;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst activeCubeFace = renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = renderer.getActiveMipmapLevel();\n\n\t\tconst _state = renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\n\t\tif ( _state.buffers.depth.getReversed() === true ) {\n\n\t\t\t_state.buffers.color.setClear( 0, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\n\t\t}\n\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// check for shadow map type changes\n\n\t\tconst toVSM = ( _previousType !== VSMShadowMap && this.type === VSMShadowMap );\n\t\tconst fromVSM = ( _previousType === VSMShadowMap && this.type !== VSMShadowMap );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\twarn( 'WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null || toVSM === true || fromVSM === true ) {\n\n\t\t\t\tconst pars = ( this.type !== VSMShadowMap ) ? { minFilter: NearestFilter, magFilter: NearestFilter } : {};\n\n\t\t\t\tif ( shadow.map !== null ) {\n\n\t\t\t\t\tshadow.map.dispose();\n\n\t\t\t\t}\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\trenderer.setRenderTarget( shadow.map );\n\t\t\trenderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( shadow.isPointLightShadow !== true && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\t_previousType = this.type;\n\n\t\tscope.needsUpdate = false;\n\n\t\trenderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( shadow.mapPass === null ) {\n\n\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y );\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\trenderer.setRenderTarget( shadow.mapPass );\n\t\trenderer.clear();\n\t\trenderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\trenderer.setRenderTarget( shadow.map );\n\t\trenderer.clear();\n\t\trenderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, material, light, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t\tif ( ( renderer.localClippingEnabled && material.clipShadows === true && Array.isArray( material.clippingPlanes ) && material.clippingPlanes.length !== 0 ) ||\n\t\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t\t( material.alphaMap && material.alphaTest > 0 ) ||\n\t\t\t\t( material.map && material.alphaTest > 0 ) ||\n\t\t\t\t( material.alphaToCoverage === true ) ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\t\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = ( material.alphaToCoverage === true ) ? 0.5 : material.alphaTest; // approximate alphaToCoverage by using a fixed alphaTest value\n\t\tresult.map = material.map;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tconst materialProperties = renderer.properties.get( result );\n\t\t\tmaterialProperties.light = light;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, groupMaterial, light, type );\n\n\t\t\t\t\t\t\tobject.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group );\n\n\t\t\t\t\t\t\trenderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\tobject.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, material, light, type );\n\n\t\t\t\t\tobject.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null );\n\n\t\t\t\t\trenderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\tobject.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t// make sure to remove the unique distance/depth materials used for shadow map rendering\n\n\t\tfor ( const id in _materialCache ) {\n\n\t\t\tconst cache = _materialCache[ id ];\n\n\t\t\tconst uuid = event.target.uuid;\n\n\t\t\tif ( uuid in cache ) {\n\n\t\t\t\tconst shadowMaterial = cache[ uuid ];\n\t\t\t\tshadowMaterial.dispose();\n\t\t\t\tdelete cache[ uuid ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nconst reversedFuncs = {\n\t[ NeverDepth ]: AlwaysDepth,\n\t[ LessDepth ]: GreaterDepth,\n\t[ EqualDepth ]: NotEqualDepth,\n\t[ LessEqualDepth ]: GreaterEqualDepth,\n\n\t[ AlwaysDepth ]: NeverDepth,\n\t[ GreaterDepth ]: LessDepth,\n\t[ NotEqualDepth ]: EqualDepth,\n\t[ GreaterEqualDepth ]: LessEqualDepth,\n};\n\nfunction WebGLState( gl, extensions ) {\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( -1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentReversed = false;\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetReversed: function ( reversed ) {\n\n\t\t\t\tif ( currentReversed !== reversed ) {\n\n\t\t\t\t\tconst ext = extensions.get( 'EXT_clip_control' );\n\n\t\t\t\t\tif ( reversed ) {\n\n\t\t\t\t\t\text.clipControlEXT( ext.LOWER_LEFT_EXT, ext.ZERO_TO_ONE_EXT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\text.clipControlEXT( ext.LOWER_LEFT_EXT, ext.NEGATIVE_ONE_TO_ONE_EXT );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentReversed = reversed;\n\n\t\t\t\t\tconst oldDepth = currentDepthClear;\n\t\t\t\t\tcurrentDepthClear = null;\n\t\t\t\t\tthis.setClear( oldDepth );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tgetReversed: function () {\n\n\t\t\t\treturn currentReversed;\n\n\t\t\t},\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( currentReversed ) depthFunc = reversedFuncs[ depthFunc ];\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tif ( currentReversed ) {\n\n\t\t\t\t\t\tdepth = 1 - depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\t\t\t\tcurrentReversed = false;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t currentStencilRef !== stencilRef ||\n\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tconst uboBindings = new WeakMap();\n\tconst uboProgramMap = new WeakMap();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\tlet currentDrawbuffers = new WeakMap();\n\tlet defaultDrawbuffers = [];\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentBlendColor = new Color( 0, 0, 0 );\n\tlet currentBlendAlpha = 0;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( gl.VERSION );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== -1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== -1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( gl.SCISSOR_BOX );\n\tconst viewportParam = gl.getParameter( gl.VIEWPORT );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count, dimensions ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tif ( type === gl.TEXTURE_3D || type === gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t\tgl.texImage3D( target, 0, gl.RGBA, 1, 1, dimensions, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t} else {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\temptyTextures[ gl.TEXTURE_2D_ARRAY ] = createTexture( gl.TEXTURE_2D_ARRAY, gl.TEXTURE_2D_ARRAY, 1, 1 );\n\temptyTextures[ gl.TEXTURE_3D ] = createTexture( gl.TEXTURE_3D, gl.TEXTURE_3D, 1, 1 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( gl.DEPTH_TEST );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( gl.CULL_FACE );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\t// gl.DRAW_FRAMEBUFFER is equivalent to gl.FRAMEBUFFER\n\n\t\t\tif ( target === gl.DRAW_FRAMEBUFFER ) {\n\n\t\t\t\tcurrentBoundFramebuffers[ gl.FRAMEBUFFER ] = framebuffer;\n\n\t\t\t}\n\n\t\t\tif ( target === gl.FRAMEBUFFER ) {\n\n\t\t\t\tcurrentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] = framebuffer;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction drawBuffers( renderTarget, framebuffer ) {\n\n\t\tlet drawBuffers = defaultDrawbuffers;\n\n\t\tlet needsUpdate = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tdrawBuffers = currentDrawbuffers.get( framebuffer );\n\n\t\t\tif ( drawBuffers === undefined ) {\n\n\t\t\t\tdrawBuffers = [];\n\t\t\t\tcurrentDrawbuffers.set( framebuffer, drawBuffers );\n\n\t\t\t}\n\n\t\t\tconst textures = renderTarget.textures;\n\n\t\t\tif ( drawBuffers.length !== textures.length || drawBuffers[ 0 ] !== gl.COLOR_ATTACHMENT0 ) {\n\n\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\tdrawBuffers[ i ] = gl.COLOR_ATTACHMENT0 + i;\n\n\t\t\t\t}\n\n\t\t\t\tdrawBuffers.length = textures.length;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( drawBuffers[ 0 ] !== gl.BACK ) {\n\n\t\t\t\tdrawBuffers[ 0 ] = gl.BACK;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tgl.drawBuffers( drawBuffers );\n\n\t\t}\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: gl.FUNC_ADD,\n\t\t[ SubtractEquation ]: gl.FUNC_SUBTRACT,\n\t\t[ ReverseSubtractEquation ]: gl.FUNC_REVERSE_SUBTRACT\n\t};\n\n\tequationToGL[ MinEquation ] = gl.MIN;\n\tequationToGL[ MaxEquation ] = gl.MAX;\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: gl.ZERO,\n\t\t[ OneFactor ]: gl.ONE,\n\t\t[ SrcColorFactor ]: gl.SRC_COLOR,\n\t\t[ SrcAlphaFactor ]: gl.SRC_ALPHA,\n\t\t[ SrcAlphaSaturateFactor ]: gl.SRC_ALPHA_SATURATE,\n\t\t[ DstColorFactor ]: gl.DST_COLOR,\n\t\t[ DstAlphaFactor ]: gl.DST_ALPHA,\n\t\t[ OneMinusSrcColorFactor ]: gl.ONE_MINUS_SRC_COLOR,\n\t\t[ OneMinusSrcAlphaFactor ]: gl.ONE_MINUS_SRC_ALPHA,\n\t\t[ OneMinusDstColorFactor ]: gl.ONE_MINUS_DST_COLOR,\n\t\t[ OneMinusDstAlphaFactor ]: gl.ONE_MINUS_DST_ALPHA,\n\t\t[ ConstantColorFactor ]: gl.CONSTANT_COLOR,\n\t\t[ OneMinusConstantColorFactor ]: gl.ONE_MINUS_CONSTANT_COLOR,\n\t\t[ ConstantAlphaFactor ]: gl.CONSTANT_ALPHA,\n\t\t[ OneMinusConstantAlphaFactor ]: gl.ONE_MINUS_CONSTANT_ALPHA\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, blendColor, blendAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( gl.BLEND );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( gl.BLEND );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.ONE, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA, gl.ZERO, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\terror( 'WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE, gl.ONE, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\terror( 'WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true' );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\terror( 'WebGLState: MultiplyBlending requires material.premultipliedAlpha = true' );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\terror( 'WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\t\t\t\tcurrentBlendColor.set( 0, 0, 0 );\n\t\t\t\tcurrentBlendAlpha = 0;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tif ( blendColor.equals( currentBlendColor ) === false || blendAlpha !== currentBlendAlpha ) {\n\n\t\t\tgl.blendColor( blendColor.r, blendColor.g, blendColor.b, blendAlpha );\n\n\t\t\tcurrentBlendColor.copy( blendColor );\n\t\t\tcurrentBlendAlpha = blendAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = false;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( gl.CULL_FACE )\n\t\t\t: enable( gl.CULL_FACE );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.blendColor, material.blendAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( gl.SAMPLE_ALPHA_TO_COVERAGE )\n\t\t\t: disable( gl.SAMPLE_ALPHA_TO_COVERAGE );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( gl.CULL_FACE );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t} else {\n\n\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture, webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\twebglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\t} else {\n\n\t\t\t\twebglSlot = currentTextureSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ webglSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ webglSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage3D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage3D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage2D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage3D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage3D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D( ...arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\tfunction updateUBOMapping( uniformsGroup, program ) {\n\n\t\tlet mapping = uboProgramMap.get( program );\n\n\t\tif ( mapping === undefined ) {\n\n\t\t\tmapping = new WeakMap();\n\n\t\t\tuboProgramMap.set( program, mapping );\n\n\t\t}\n\n\t\tlet blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( blockIndex === undefined ) {\n\n\t\t\tblockIndex = gl.getUniformBlockIndex( program, uniformsGroup.name );\n\n\t\t\tmapping.set( uniformsGroup, blockIndex );\n\n\t\t}\n\n\t}\n\n\tfunction uniformBlockBinding( uniformsGroup, program ) {\n\n\t\tconst mapping = uboProgramMap.get( program );\n\t\tconst blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( uboBindings.get( program ) !== blockIndex ) {\n\n\t\t\t// bind shader specific block index to global block point\n\t\t\tgl.uniformBlockBinding( program, blockIndex, uniformsGroup.__bindingPointIndex );\n\n\t\t\tuboBindings.set( program, blockIndex );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( gl.BLEND );\n\t\tgl.disable( gl.CULL_FACE );\n\t\tgl.disable( gl.DEPTH_TEST );\n\t\tgl.disable( gl.POLYGON_OFFSET_FILL );\n\t\tgl.disable( gl.SCISSOR_TEST );\n\t\tgl.disable( gl.STENCIL_TEST );\n\t\tgl.disable( gl.SAMPLE_ALPHA_TO_COVERAGE );\n\n\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\tgl.blendFunc( gl.ONE, gl.ZERO );\n\t\tgl.blendFuncSeparate( gl.ONE, gl.ZERO, gl.ONE, gl.ZERO );\n\t\tgl.blendColor( 0, 0, 0, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( gl.LESS );\n\n\t\tdepthBuffer.setReversed( false );\n\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( gl.ALWAYS, 0, 0xffffffff );\n\t\tgl.stencilOp( gl.KEEP, gl.KEEP, gl.KEEP );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( gl.BACK );\n\t\tgl.frontFace( gl.CCW );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( gl.TEXTURE0 );\n\n\t\tgl.bindFramebuffer( gl.FRAMEBUFFER, null );\n\t\tgl.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null );\n\t\tgl.bindFramebuffer( gl.READ_FRAMEBUFFER, null );\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\t\tcurrentDrawbuffers = new WeakMap();\n\t\tdefaultDrawbuffers = [];\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentBlendColor = new Color( 0, 0, 0 );\n\t\tcurrentBlendAlpha = 0;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\t\tdrawBuffers: drawBuffers,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\tcompressedTexImage3D: compressedTexImage3D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\tupdateUBOMapping: updateUBOMapping,\n\t\tuniformBlockBinding: uniformBlockBinding,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexStorage3D: texStorage3D,\n\t\ttexSubImage2D: texSubImage2D,\n\t\ttexSubImage3D: texSubImage3D,\n\t\tcompressedTexSubImage2D: compressedTexSubImage2D,\n\t\tcompressedTexSubImage3D: compressedTexSubImage3D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst multisampledRTTExt = extensions.has( 'WEBGL_multisampled_render_to_texture' ) ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : null;\n\tconst supportsInvalidateFramebuffer = typeof navigator === 'undefined' ? false : /OculusBrowser/g.test( navigator.userAgent );\n\n\tconst _imageDimensions = new Vector2();\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\tconst _sources = new WeakMap(); // maps WebglTexture objects to instances of Source\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\tconst dimensions = getDimensions( image );\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( dimensions.width > maxSize || dimensions.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( dimensions.width, dimensions.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ||\n\t\t\t\t( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) ) {\n\n\t\t\t\tconst width = Math.floor( scale * dimensions.width );\n\t\t\t\tconst height = Math.floor( scale * dimensions.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\twarn( 'WebGLRenderer: Texture has been resized from (' + dimensions.width + 'x' + dimensions.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\twarn( 'WebGLRenderer: Image in DataTexture is too big (' + dimensions.width + 'x' + dimensions.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture ) {\n\n\t\treturn texture.generateMipmaps;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getTargetType( texture ) {\n\n\t\tif ( texture.isWebGLCubeRenderTarget ) return _gl.TEXTURE_CUBE_MAP;\n\t\tif ( texture.isWebGL3DRenderTarget ) return _gl.TEXTURE_3D;\n\t\tif ( texture.isWebGLArrayRenderTarget || texture.isCompressedArrayTexture ) return _gl.TEXTURE_2D_ARRAY;\n\t\treturn _gl.TEXTURE_2D;\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType, colorSpace, forceLinearTransfer = false ) {\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\twarn( 'WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === _gl.RED ) {\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.R32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.R16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RED_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.R16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.R32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.R8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.R16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.R32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RG ) {\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.RG32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RG16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RG_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RG16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RG32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RG8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RG16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RG32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGB_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGB8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGB16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGB32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RGB8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RGB16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RGB32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGBA_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGBA8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGBA16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGBA32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RGBA8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RGBA16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RGBA32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGB ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_INT_5_9_9_9_REV ) internalFormat = _gl.RGB9_E5;\n\t\t\tif ( glType === _gl.UNSIGNED_INT_10F_11F_11F_REV ) internalFormat = _gl.R11F_G11F_B10F;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGBA ) {\n\n\t\t\tconst transfer = forceLinearTransfer ? LinearTransfer : ColorManagement.getTransfer( colorSpace );\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.RGBA32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RGBA16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = ( transfer === SRGBTransfer ) ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT_4_4_4_4 ) internalFormat = _gl.RGBA4;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT_5_5_5_1 ) internalFormat = _gl.RGB5_A1;\n\n\t\t}\n\n\t\tif ( internalFormat === _gl.R16F || internalFormat === _gl.R32F ||\n\t\t\tinternalFormat === _gl.RG16F || internalFormat === _gl.RG32F ||\n\t\t\tinternalFormat === _gl.RGBA16F || internalFormat === _gl.RGBA32F ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getInternalDepthFormat( useStencil, depthType ) {\n\n\t\tlet glInternalFormat;\n\t\tif ( useStencil ) {\n\n\t\t\tif ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH24_STENCIL8;\n\n\t\t\t} else if ( depthType === FloatType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH32F_STENCIL8;\n\n\t\t\t} else if ( depthType === UnsignedShortType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH24_STENCIL8;\n\t\t\t\twarn( 'DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.' );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT24;\n\n\t\t\t} else if ( depthType === FloatType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t} else if ( depthType === UnsignedShortType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn glInternalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture ) === true || ( texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) ) {\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps !== undefined && texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else if ( texture.isCompressedTexture && Array.isArray( texture.image ) ) {\n\n\t\t\treturn image.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t// check if it's necessary to remove the WebGLTexture object\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures ) {\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\t\t\twebglTexture.usedTimes --;\n\n\t\t\t// the WebGLTexture object is not used anymore, remove it\n\n\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\tdeleteTexture( texture );\n\n\t\t\t}\n\n\t\t\t// remove the weak map entry if no WebGLTexture uses the source anymore\n\n\t\t\tif ( Object.keys( webglTextures ).length === 0 ) {\n\n\t\t\t\t_sources.delete( source );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deleteTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\t\tdelete webglTextures[ textureProperties.__cacheKey ];\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\tproperties.remove( renderTarget.depthTexture );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( Array.isArray( renderTargetProperties.__webglFramebuffer[ i ] ) ) {\n\n\t\t\t\t\tfor ( let level = 0; level < renderTargetProperties.__webglFramebuffer[ i ].length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ][ level ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( Array.isArray( renderTargetProperties.__webglFramebuffer ) ) {\n\n\t\t\t\tfor ( let level = 0; level < renderTargetProperties.__webglFramebuffer.length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ level ] );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) {\n\n\t\t\t\tfor ( let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer[ i ] ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\tinfo.memory.textures --;\n\n\t\t\t}\n\n\t\t\tproperties.remove( textures[ i ] );\n\n\t\t}\n\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\twarn( 'WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\tfunction getTextureCacheKey( texture ) {\n\n\t\tconst array = [];\n\n\t\tarray.push( texture.wrapS );\n\t\tarray.push( texture.wrapT );\n\t\tarray.push( texture.wrapR || 0 );\n\t\tarray.push( texture.magFilter );\n\t\tarray.push( texture.minFilter );\n\t\tarray.push( texture.anisotropy );\n\t\tarray.push( texture.internalFormat );\n\t\tarray.push( texture.format );\n\t\tarray.push( texture.type );\n\t\tarray.push( texture.generateMipmaps );\n\t\tarray.push( texture.premultiplyAlpha );\n\t\tarray.push( texture.flipY );\n\t\tarray.push( texture.unpackAlignment );\n\t\tarray.push( texture.colorSpace );\n\n\t\treturn array.join();\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.isRenderTargetTexture === false && texture.isExternalTexture !== true && texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === null ) {\n\n\t\t\t\twarn( 'WebGLRenderer: Texture marked for update but no image data found.' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\twarn( 'WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t} else if ( texture.isExternalTexture ) {\n\n\t\t\ttextureProperties.__webglTexture = texture.sourceTexture ? texture.sourceTexture : null;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t} else if ( texture.isExternalTexture ) {\n\n\t\t\ttextureProperties.__webglTexture = texture.sourceTexture ? texture.sourceTexture : null;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_2D_ARRAY, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_3D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: _gl.REPEAT,\n\t\t[ ClampToEdgeWrapping ]: _gl.CLAMP_TO_EDGE,\n\t\t[ MirroredRepeatWrapping ]: _gl.MIRRORED_REPEAT\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: _gl.NEAREST,\n\t\t[ NearestMipmapNearestFilter ]: _gl.NEAREST_MIPMAP_NEAREST,\n\t\t[ NearestMipmapLinearFilter ]: _gl.NEAREST_MIPMAP_LINEAR,\n\n\t\t[ LinearFilter ]: _gl.LINEAR,\n\t\t[ LinearMipmapNearestFilter ]: _gl.LINEAR_MIPMAP_NEAREST,\n\t\t[ LinearMipmapLinearFilter ]: _gl.LINEAR_MIPMAP_LINEAR\n\t};\n\n\tconst compareToGL = {\n\t\t[ NeverCompare ]: _gl.NEVER,\n\t\t[ AlwaysCompare ]: _gl.ALWAYS,\n\t\t[ LessCompare ]: _gl.LESS,\n\t\t[ LessEqualCompare ]: _gl.LEQUAL,\n\t\t[ EqualCompare ]: _gl.EQUAL,\n\t\t[ GreaterEqualCompare ]: _gl.GEQUAL,\n\t\t[ GreaterCompare ]: _gl.GREATER,\n\t\t[ NotEqualCompare ]: _gl.NOTEQUAL\n\t};\n\n\tfunction setTextureParameters( textureType, texture ) {\n\n\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false &&\n\t\t\t( texture.magFilter === LinearFilter || texture.magFilter === LinearMipmapNearestFilter || texture.magFilter === NearestMipmapLinearFilter || texture.magFilter === LinearMipmapLinearFilter ||\n\t\t\ttexture.minFilter === LinearFilter || texture.minFilter === LinearMipmapNearestFilter || texture.minFilter === NearestMipmapLinearFilter || texture.minFilter === LinearMipmapLinearFilter ) ) {\n\n\t\t\twarn( 'WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device.' );\n\n\t\t}\n\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, wrappingToGL[ texture.wrapS ] );\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, wrappingToGL[ texture.wrapT ] );\n\n\t\tif ( textureType === _gl.TEXTURE_3D || textureType === _gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_R, wrappingToGL[ texture.wrapR ] );\n\n\t\t}\n\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterToGL[ texture.magFilter ] );\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterToGL[ texture.minFilter ] );\n\n\t\tif ( texture.compareFunction ) {\n\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_MODE, _gl.COMPARE_REF_TO_TEXTURE );\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_FUNC, compareToGL[ texture.compareFunction ] );\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tif ( texture.magFilter === NearestFilter ) return;\n\t\t\tif ( texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter ) return;\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tlet forceUpload = false;\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t}\n\n\t\t// create Source <-> WebGLTextures mapping if necessary\n\n\t\tconst source = texture.source;\n\t\tlet webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures === undefined ) {\n\n\t\t\twebglTextures = {};\n\t\t\t_sources.set( source, webglTextures );\n\n\t\t}\n\n\t\t// check if there is already a WebGLTexture object for the given texture parameters\n\n\t\tconst textureCacheKey = getTextureCacheKey( texture );\n\n\t\tif ( textureCacheKey !== textureProperties.__cacheKey ) {\n\n\t\t\t// if not, create a new instance of WebGLTexture\n\n\t\t\tif ( webglTextures[ textureCacheKey ] === undefined ) {\n\n\t\t\t\t// create new entry\n\n\t\t\t\twebglTextures[ textureCacheKey ] = {\n\t\t\t\t\ttexture: _gl.createTexture(),\n\t\t\t\t\tusedTimes: 0\n\t\t\t\t};\n\n\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t// when a new instance of WebGLTexture was created, a texture upload is required\n\t\t\t\t// even if the image contents are identical\n\n\t\t\t\tforceUpload = true;\n\n\t\t\t}\n\n\t\t\twebglTextures[ textureCacheKey ].usedTimes ++;\n\n\t\t\t// every time the texture cache key changes, it's necessary to check if an instance of\n\t\t\t// WebGLTexture can be deleted in order to avoid a memory leak.\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\n\t\t\tif ( webglTexture !== undefined ) {\n\n\t\t\t\twebglTextures[ textureProperties.__cacheKey ].usedTimes --;\n\n\t\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\t\tdeleteTexture( texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// store references to cache key and WebGLTexture object\n\n\t\t\ttextureProperties.__cacheKey = textureCacheKey;\n\t\t\ttextureProperties.__webglTexture = webglTextures[ textureCacheKey ].texture;\n\n\t\t}\n\n\t\treturn forceUpload;\n\n\t}\n\n\tfunction getRow( index, rowLength, componentStride ) {\n\n\t\treturn Math.floor( Math.floor( index / componentStride ) / rowLength );\n\n\t}\n\n\tfunction updateTexture( texture, image, glFormat, glType ) {\n\n\t\tconst componentStride = 4; // only RGBA supported\n\n\t\tconst updateRanges = texture.updateRanges;\n\n\t\tif ( updateRanges.length === 0 ) {\n\n\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, image.width, image.height, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\t// Before applying update ranges, we merge any adjacent / overlapping\n\t\t\t// ranges to reduce load on `gl.texSubImage2D`. Empirically, this has led\n\t\t\t// to performance improvements for applications which make heavy use of\n\t\t\t// update ranges. Likely due to GPU command overhead.\n\t\t\t//\n\t\t\t// Note that to reduce garbage collection between frames, we merge the\n\t\t\t// update ranges in-place. This is safe because this method will clear the\n\t\t\t// update ranges once updated.\n\n\t\t\tupdateRanges.sort( ( a, b ) => a.start - b.start );\n\n\t\t\t// To merge the update ranges in-place, we work from left to right in the\n\t\t\t// existing updateRanges array, merging ranges. This may result in a final\n\t\t\t// array which is smaller than the original. This index tracks the last\n\t\t\t// index representing a merged range, any data after this index can be\n\t\t\t// trimmed once the merge algorithm is completed.\n\t\t\tlet mergeIndex = 0;\n\n\t\t\tfor ( let i = 1; i < updateRanges.length; i ++ ) {\n\n\t\t\t\tconst previousRange = updateRanges[ mergeIndex ];\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\t// Only merge if in the same row and overlapping/adjacent\n\t\t\t\tconst previousEnd = previousRange.start + previousRange.count;\n\t\t\t\tconst currentRow = getRow( range.start, image.width, componentStride );\n\t\t\t\tconst previousRow = getRow( previousRange.start, image.width, componentStride );\n\n\t\t\t\t// We add one here to merge adjacent ranges. This is safe because ranges\n\t\t\t\t// operate over positive integers.\n\t\t\t\tif (\n\t\t\t\t\trange.start <= previousEnd + 1 &&\n\t\t\t\t\tcurrentRow === previousRow &&\n\t\t\t\t\tgetRow( range.start + range.count - 1, image.width, componentStride ) === currentRow // ensure range doesn't spill\n\t\t\t\t) {\n\n\t\t\t\t\tpreviousRange.count = Math.max(\n\t\t\t\t\t\tpreviousRange.count,\n\t\t\t\t\t\trange.start + range.count - previousRange.start\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\t++ mergeIndex;\n\t\t\t\t\tupdateRanges[ mergeIndex ] = range;\n\n\t\t\t\t}\n\n\n\t\t\t}\n\n\t\t\t// Trim the array to only contain the merged ranges.\n\t\t\tupdateRanges.length = mergeIndex + 1;\n\n\t\t\tconst currentUnpackRowLen = _gl.getParameter( _gl.UNPACK_ROW_LENGTH );\n\t\t\tconst currentUnpackSkipPixels = _gl.getParameter( _gl.UNPACK_SKIP_PIXELS );\n\t\t\tconst currentUnpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width );\n\n\t\t\tfor ( let i = 0, l = updateRanges.length; i < l; i ++ ) {\n\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\tconst pixelStart = Math.floor( range.start / componentStride );\n\t\t\t\tconst pixelCount = Math.ceil( range.count / componentStride );\n\n\t\t\t\tconst x = pixelStart % image.width;\n\t\t\t\tconst y = Math.floor( pixelStart / image.width );\n\n\t\t\t\t// Assumes update ranges refer to contiguous memory\n\t\t\t\tconst width = pixelCount;\n\t\t\t\tconst height = 1;\n\n\t\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, x );\n\t\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, y );\n\n\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, x, y, width, height, glFormat, glType, image.data );\n\n\t\t\t}\n\n\t\t\ttexture.clearUpdateRanges();\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, currentUnpackRowLen );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows );\n\n\t\t}\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = _gl.TEXTURE_2D;\n\n\t\tif ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) textureType = _gl.TEXTURE_2D_ARRAY;\n\t\tif ( texture.isData3DTexture ) textureType = _gl.TEXTURE_3D;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t\tconst sourceProperties = properties.get( source );\n\n\t\tif ( source.version !== sourceProperties.__version || forceUpload === true ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\n\t\t\tconst workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace );\n\t\t\tconst texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace );\n\t\t\tconst unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL;\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion );\n\n\t\t\tlet image = resizeImage( texture.image, false, capabilities.maxTextureSize );\n\t\t\timage = verifyColorSpace( texture, image );\n\n\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tlet glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, texture.isVideoTexture );\n\n\t\t\tsetTextureParameters( textureType, texture );\n\n\t\t\tlet mipmap;\n\t\t\tconst mipmaps = texture.mipmaps;\n\n\t\t\tconst useTexStorage = ( texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true );\n\t\t\tconst dataReady = source.dataReady;\n\t\t\tconst levels = getMipLevels( texture, image );\n\n\t\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t\tglInternalFormat = getInternalDepthFormat( texture.format === DepthStencilFormat, texture.type );\n\n\t\t\t\t//\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, 1, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\tupdateTexture( texture, image, glFormat, glType );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\t\tif ( texture.isCompressedArrayTexture ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tif ( texture.layerUpdates.size > 0 ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst layerByteLength = getByteLength( mipmap.width, mipmap.height, texture.format, texture.type );\n\n\t\t\t\t\t\t\t\t\t\t\tfor ( const layerIndex of texture.layerUpdates ) {\n\n\t\t\t\t\t\t\t\t\t\t\t\tconst layerData = mipmap.data.subarray(\n\t\t\t\t\t\t\t\t\t\t\t\t\tlayerIndex * layerByteLength / mipmap.data.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t\t\t\t\t\t( layerIndex + 1 ) * layerByteLength / mipmap.data.BYTES_PER_ELEMENT\n\t\t\t\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, layerIndex, mipmap.width, mipmap.height, 1, glFormat, layerData );\n\n\t\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\t\ttexture.clearLayerUpdates();\n\n\t\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, mipmap.data, 0, 0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\twarn( 'WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\twarn( 'WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataArrayTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\tif ( texture.layerUpdates.size > 0 ) {\n\n\t\t\t\t\t\t\tconst layerByteLength = getByteLength( image.width, image.height, texture.format, texture.type );\n\n\t\t\t\t\t\t\tfor ( const layerIndex of texture.layerUpdates ) {\n\n\t\t\t\t\t\t\t\tconst layerData = image.data.subarray(\n\t\t\t\t\t\t\t\t\tlayerIndex * layerByteLength / image.data.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t\t( layerIndex + 1 ) * layerByteLength / image.data.BYTES_PER_ELEMENT\n\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, layerIndex, image.width, image.height, 1, glFormat, glType, layerData );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\ttexture.clearLayerUpdates();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_2D_ARRAY, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_3D, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_3D, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_3D, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isFramebufferTexture ) {\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tlet width = image.width, height = image.height;\n\n\t\t\t\t\t\tfor ( let i = 0; i < levels; i ++ ) {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t\t\t\t\twidth >>= 1;\n\t\t\t\t\t\t\theight >>= 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tconst dimensions = getDimensions( mipmaps[ 0 ] );\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tconst dimensions = getDimensions( image );\n\n\t\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( textureType );\n\n\t\t\t}\n\n\t\t\tsourceProperties.__version = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t\tconst sourceProperties = properties.get( source );\n\n\t\tif ( source.version !== sourceProperties.__version || forceUpload === true ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\n\t\t\tconst workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace );\n\t\t\tconst texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace );\n\t\t\tconst unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL;\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion );\n\n\t\t\tconst isCompressed = ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture );\n\t\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\t\tconst cubeImage = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], true, capabilities.maxCubemapSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcubeImage[ i ] = verifyColorSpace( texture, cubeImage[ i ] );\n\n\t\t\t}\n\n\t\t\tconst image = cubeImage[ 0 ],\n\t\t\t\tglFormat = utils.convert( texture.format, texture.colorSpace ),\n\t\t\t\tglType = utils.convert( texture.type ),\n\t\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\n\t\t\tconst useTexStorage = ( texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true );\n\t\t\tconst dataReady = source.dataReady;\n\t\t\tlet levels = getMipLevels( texture, image );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture );\n\n\t\t\tlet mipmaps;\n\n\t\t\tif ( isCompressed ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\twarn( 'WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t// TODO: Uniformly handle mipmap definitions\n\t\t\t\t\t// Normal textures and compressed cube textures define base level + mips with their mipmap array\n\t\t\t\t\t// Uncompressed cube textures use their mipmap array only for mips (no base level)\n\n\t\t\t\t\tif ( mipmaps.length > 0 ) levels ++;\n\n\t\t\t\t\tconst dimensions = getDimensions( cubeImage[ 0 ] );\n\n\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, cubeImage[ i ].width, cubeImage[ i ].height, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\t// We assume images for cube map have the same size.\n\t\t\t\tgenerateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t}\n\n\t\t\tsourceProperties.__version = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget, level ) {\n\n\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\ttextureProperties.__renderTarget = renderTarget;\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tconst width = Math.max( 1, renderTarget.width >> level );\n\t\t\tconst height = Math.max( 1, renderTarget.height >> level );\n\n\t\t\tif ( textureTarget === _gl.TEXTURE_3D || textureTarget === _gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, level, glInternalFormat, width, height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, level, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else if ( textureTarget === _gl.TEXTURE_2D || ( textureTarget >= _gl.TEXTURE_CUBE_MAP_POSITIVE_X && textureTarget <= _gl.TEXTURE_CUBE_MAP_NEGATIVE_Z ) ) { // see #24753\n\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, level );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t}\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t// retrieve the depth attachment types\n\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\tconst depthType = depthTexture && depthTexture.isDepthTexture ? depthTexture.type : null;\n\t\t\tconst glInternalFormat = getInternalDepthFormat( renderTarget.stencilBuffer, depthType );\n\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\n\t\t\t// set up the attachment\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\tconst isUseMultisampledRTT = useMultisampledRTT( renderTarget );\n\t\t\tif ( isUseMultisampledRTT ) {\n\n\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( isMultisample ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t} else {\n\n\t\t\tconst textures = renderTarget.textures;\n\n\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\tconst texture = textures[ i ];\n\n\t\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( isMultisample && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else if ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\tconst textureProperties = properties.get( renderTarget.depthTexture );\n\t\ttextureProperties.__renderTarget = renderTarget;\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! textureProperties.__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = textureProperties.__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\t// if the bound depth texture has changed\n\t\tif ( renderTargetProperties.__boundDepthTexture !== renderTarget.depthTexture ) {\n\n\t\t\t// fire the dispose event to get rid of stored state associated with the previously bound depth buffer\n\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\tif ( renderTargetProperties.__depthDisposeCallback ) {\n\n\t\t\t\trenderTargetProperties.__depthDisposeCallback();\n\n\t\t\t}\n\n\t\t\t// set up dispose listeners to track when the currently attached buffer is implicitly unbound\n\t\t\tif ( depthTexture ) {\n\n\t\t\t\tconst disposeEvent = () => {\n\n\t\t\t\t\tdelete renderTargetProperties.__boundDepthTexture;\n\t\t\t\t\tdelete renderTargetProperties.__depthDisposeCallback;\n\t\t\t\t\tdepthTexture.removeEventListener( 'dispose', disposeEvent );\n\n\t\t\t\t};\n\n\t\t\t\tdepthTexture.addEventListener( 'dispose', disposeEvent );\n\t\t\t\trenderTargetProperties.__depthDisposeCallback = disposeEvent;\n\n\t\t\t}\n\n\t\t\trenderTargetProperties.__boundDepthTexture = depthTexture;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tconst mipmaps = renderTarget.texture.mipmaps;\n\n\t\t\tif ( mipmaps && mipmaps.length > 0 ) {\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer[ 0 ], renderTarget );\n\n\t\t\t} else {\n\n\t\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer[ i ] === undefined ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// attach buffer if it's been created already\n\t\t\t\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\t\t\tconst renderbuffer = renderTargetProperties.__webglDepthbuffer[ i ];\n\t\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst mipmaps = renderTarget.texture.mipmaps;\n\n\t\t\t\tif ( mipmaps && mipmaps.length > 0 ) {\n\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ 0 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer === undefined ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// attach buffer if it's been created already\n\t\t\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\t\tconst renderbuffer = renderTargetProperties.__webglDepthbuffer;\n\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, 0 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( textures.length > 1 );\n\n\t\tif ( ! isMultipleRenderTargets ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = [];\n\n\t\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ][ level ] = _gl.createFramebuffer();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ level ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ( renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = [];\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tconst texture = textures[ i ];\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer[ i ] = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, renderTarget.isXRRenderTarget === true );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ][ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tlet glTextureType = _gl.TEXTURE_2D;\n\n\t\t\t\tif ( renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget ) {\n\n\t\t\t\t\tglTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindTexture( glTextureType, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( glTextureType, attachment );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, _gl.COLOR_ATTACHMENT0 + i, glTextureType, 0 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment ) ) {\n\n\t\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = _gl.TEXTURE_2D;\n\n\t\t\tif ( renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget ) {\n\n\t\t\t\tglTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture );\n\n\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, level );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, 0 );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tconst targetType = getTargetType( renderTarget );\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( targetType, webglTexture );\n\t\t\t\tgenerateMipmap( targetType );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tconst invalidationArrayRead = [];\n\tconst invalidationArrayDraw = [];\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.samples > 0 ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\tconst textures = renderTarget.textures;\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = _gl.COLOR_BUFFER_BIT;\n\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\t\tconst isMultipleRenderTargets = ( textures.length > 1 );\n\n\t\t\t\t// If MRT we need to remove FBO attachments\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, null );\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, null, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t\tconst mipmaps = renderTarget.texture.mipmaps;\n\n\t\t\t\tif ( mipmaps && mipmaps.length > 0 ) {\n\n\t\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ 0 ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTarget.resolveDepthBuffer ) {\n\n\t\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= _gl.DEPTH_BUFFER_BIT;\n\n\t\t\t\t\t\t// resolving stencil is slow with a D3D backend. disable it for all transmission render targets (see #27799)\n\n\t\t\t\t\t\tif ( renderTarget.stencilBuffer && renderTarget.resolveStencilBuffer ) mask |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, webglTexture, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, _gl.NEAREST );\n\n\t\t\t\t\tif ( supportsInvalidateFramebuffer === true ) {\n\n\t\t\t\t\t\tinvalidationArrayRead.length = 0;\n\t\t\t\t\t\tinvalidationArrayDraw.length = 0;\n\n\t\t\t\t\t\tinvalidationArrayRead.push( _gl.COLOR_ATTACHMENT0 + i );\n\n\t\t\t\t\t\tif ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false ) {\n\n\t\t\t\t\t\t\tinvalidationArrayRead.push( depthStyle );\n\t\t\t\t\t\t\tinvalidationArrayDraw.push( depthStyle );\n\n\t\t\t\t\t\t\t_gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, invalidationArrayDraw );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_gl.invalidateFramebuffer( _gl.READ_FRAMEBUFFER, invalidationArrayRead );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t\t// If MRT since pre-blit we removed the FBO we need to reconstruct the attachments\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, webglTexture, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tif ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false && supportsInvalidateFramebuffer ) {\n\n\t\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\n\t\t\t\t\t_gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn Math.min( capabilities.maxSamples, renderTarget.samples );\n\n\t}\n\n\tfunction useMultisampledRTT( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\treturn renderTarget.samples > 0 && extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true && renderTargetProperties.__useRenderToTexture !== false;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\tfunction verifyColorSpace( texture, image ) {\n\n\t\tconst colorSpace = texture.colorSpace;\n\t\tconst format = texture.format;\n\t\tconst type = texture.type;\n\n\t\tif ( texture.isCompressedTexture === true || texture.isVideoTexture === true ) return image;\n\n\t\tif ( colorSpace !== LinearSRGBColorSpace && colorSpace !== NoColorSpace ) {\n\n\t\t\t// sRGB\n\n\t\t\tif ( ColorManagement.getTransfer( colorSpace ) === SRGBTransfer ) {\n\n\t\t\t\t// in WebGL 2 uncompressed textures can only be sRGB encoded if they have the RGBA8 format\n\n\t\t\t\tif ( format !== RGBAFormat || type !== UnsignedByteType ) {\n\n\t\t\t\t\twarn( 'WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\terror( 'WebGLTextures: Unsupported texture color space:', colorSpace );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction getDimensions( image ) {\n\n\t\tif ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) {\n\n\t\t\t// if intrinsic data are not available, fallback to width/height\n\n\t\t\t_imageDimensions.width = image.naturalWidth || image.width;\n\t\t\t_imageDimensions.height = image.naturalHeight || image.height;\n\n\t\t} else if ( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) {\n\n\t\t\t_imageDimensions.width = image.displayWidth;\n\t\t\t_imageDimensions.height = image.displayHeight;\n\n\t\t} else {\n\n\t\t\t_imageDimensions.width = image.width;\n\t\t\t_imageDimensions.height = image.height;\n\n\t\t}\n\n\t\treturn _imageDimensions;\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\tthis.useMultisampledRTT = useMultisampledRTT;\n\n}\n\nfunction WebGLUtils( gl, extensions ) {\n\n\tfunction convert( p, colorSpace = NoColorSpace ) {\n\n\t\tlet extension;\n\n\t\tconst transfer = ColorManagement.getTransfer( colorSpace );\n\n\t\tif ( p === UnsignedByteType ) return gl.UNSIGNED_BYTE;\n\t\tif ( p === UnsignedShort4444Type ) return gl.UNSIGNED_SHORT_4_4_4_4;\n\t\tif ( p === UnsignedShort5551Type ) return gl.UNSIGNED_SHORT_5_5_5_1;\n\t\tif ( p === UnsignedInt5999Type ) return gl.UNSIGNED_INT_5_9_9_9_REV;\n\t\tif ( p === UnsignedInt101111Type ) return gl.UNSIGNED_INT_10F_11F_11F_REV;\n\n\t\tif ( p === ByteType ) return gl.BYTE;\n\t\tif ( p === ShortType ) return gl.SHORT;\n\t\tif ( p === UnsignedShortType ) return gl.UNSIGNED_SHORT;\n\t\tif ( p === IntType ) return gl.INT;\n\t\tif ( p === UnsignedIntType ) return gl.UNSIGNED_INT;\n\t\tif ( p === FloatType ) return gl.FLOAT;\n\t\tif ( p === HalfFloatType ) return gl.HALF_FLOAT;\n\n\t\tif ( p === AlphaFormat ) return gl.ALPHA;\n\t\tif ( p === RGBFormat ) return gl.RGB;\n\t\tif ( p === RGBAFormat ) return gl.RGBA;\n\t\tif ( p === DepthFormat ) return gl.DEPTH_COMPONENT;\n\t\tif ( p === DepthStencilFormat ) return gl.DEPTH_STENCIL;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedFormat ) return gl.RED;\n\t\tif ( p === RedIntegerFormat ) return gl.RED_INTEGER;\n\t\tif ( p === RGFormat ) return gl.RG;\n\t\tif ( p === RGIntegerFormat ) return gl.RG_INTEGER;\n\t\tif ( p === RGBAIntegerFormat ) return gl.RGBA_INTEGER;\n\n\t\t// S3TC\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\tif ( transfer === SRGBTransfer ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// PVRTC\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ETC\n\n\t\tif ( p === RGB_ETC1_Format || p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC1_Format || p === RGB_ETC2_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ASTC\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_ASTC_4x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x12_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// BPTC\n\n\t\tif ( p === RGBA_BPTC_Format || p === RGB_BPTC_SIGNED_Format || p === RGB_BPTC_UNSIGNED_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_BPTC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT;\n\t\t\t\tif ( p === RGB_BPTC_SIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;\n\t\t\t\tif ( p === RGB_BPTC_UNSIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// RGTC\n\n\t\tif ( p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_rgtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RED_RGTC1_Format ) return extension.COMPRESSED_RED_RGTC1_EXT;\n\t\t\t\tif ( p === SIGNED_RED_RGTC1_Format ) return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT;\n\t\t\t\tif ( p === RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_RED_GREEN_RGTC2_EXT;\n\t\t\t\tif ( p === SIGNED_RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( p === UnsignedInt248Type ) return gl.UNSIGNED_INT_24_8;\n\n\t\t// if \"p\" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats)\n\n\t\treturn ( gl[ p ] !== undefined ) ? gl[ p ] : null;\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nconst _occlusion_vertex = `\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}`;\n\nconst _occlusion_fragment = `\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}`;\n\n/**\n * A XR module that manages the access to the Depth Sensing API.\n */\nclass WebXRDepthSensing {\n\n\t/**\n\t * Constructs a new depth sensing module.\n\t */\n\tconstructor() {\n\n\t\t/**\n\t\t * An opaque texture representing the depth of the user's environment.\n\t\t *\n\t\t * @type {?ExternalTexture}\n\t\t */\n\t\tthis.texture = null;\n\n\t\t/**\n\t\t * A plane mesh for visualizing the depth texture.\n\t\t *\n\t\t * @type {?Mesh}\n\t\t */\n\t\tthis.mesh = null;\n\n\t\t/**\n\t\t * The depth near value.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.depthNear = 0;\n\n\t\t/**\n\t\t * The depth near far.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.depthFar = 0;\n\n\t}\n\n\t/**\n\t * Inits the depth sensing module\n\t *\n\t * @param {XRWebGLDepthInformation} depthData - The XR depth data.\n\t * @param {XRRenderState} renderState - The XR render state.\n\t */\n\tinit( depthData, renderState ) {\n\n\t\tif ( this.texture === null ) {\n\n\t\t\tconst texture = new ExternalTexture( depthData.texture );\n\n\t\t\tif ( ( depthData.depthNear !== renderState.depthNear ) || ( depthData.depthFar !== renderState.depthFar ) ) {\n\n\t\t\t\tthis.depthNear = depthData.depthNear;\n\t\t\t\tthis.depthFar = depthData.depthFar;\n\n\t\t\t}\n\n\t\t\tthis.texture = texture;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns a plane mesh that visualizes the depth texture.\n\t *\n\t * @param {ArrayCamera} cameraXR - The XR camera.\n\t * @return {?Mesh} The plane mesh.\n\t */\n\tgetMesh( cameraXR ) {\n\n\t\tif ( this.texture !== null ) {\n\n\t\t\tif ( this.mesh === null ) {\n\n\t\t\t\tconst viewport = cameraXR.cameras[ 0 ].viewport;\n\t\t\t\tconst material = new ShaderMaterial( {\n\t\t\t\t\tvertexShader: _occlusion_vertex,\n\t\t\t\t\tfragmentShader: _occlusion_fragment,\n\t\t\t\t\tuniforms: {\n\t\t\t\t\t\tdepthColor: { value: this.texture },\n\t\t\t\t\t\tdepthWidth: { value: viewport.z },\n\t\t\t\t\t\tdepthHeight: { value: viewport.w }\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\t\tthis.mesh = new Mesh( new PlaneGeometry( 20, 20 ), material );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this.mesh;\n\n\t}\n\n\t/**\n\t * Resets the module\n\t */\n\treset() {\n\n\t\tthis.texture = null;\n\t\tthis.mesh = null;\n\n\t}\n\n\t/**\n\t * Returns a texture representing the depth of the user's environment.\n\t *\n\t * @return {?ExternalTexture} The depth texture.\n\t */\n\tgetDepthTexture() {\n\n\t\treturn this.texture;\n\n\t}\n\n}\n\n/**\n * This class represents an abstraction of the WebXR Device API and is\n * internally used by {@link WebGLRenderer}. `WebXRManager` also provides a public\n * interface that allows users to enable/disable XR and perform XR related\n * tasks like for instance retrieving controllers.\n *\n * @augments EventDispatcher\n * @hideconstructor\n */\nclass WebXRManager extends EventDispatcher {\n\n\t/**\n\t * Constructs a new WebGL renderer.\n\t *\n\t * @param {WebGLRenderer} renderer - The renderer.\n\t * @param {WebGL2RenderingContext} gl - The rendering context.\n\t */\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\t// Set default foveation to maximum.\n\t\tlet foveation = 1.0;\n\t\tlet customReferenceSpace = null;\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet xrFrame = null;\n\n\t\tconst supportsGlBinding = typeof XRWebGLBinding !== 'undefined';\n\n\t\tconst depthSensing = new WebXRDepthSensing();\n\t\tconst cameraAccessTextures = {};\n\t\tconst attributes = gl.getContextAttributes();\n\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst controllerInputSources = [];\n\n\t\tconst currentSize = new Vector2();\n\t\tlet currentPixelRatio = null;\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraXR = new ArrayCamera();\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\t/**\n\t\t * Whether the manager's XR camera should be automatically updated or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.cameraAutoUpdate = true;\n\n\t\t/**\n\t\t * This flag notifies the renderer to be ready for XR rendering. Set it to `true`\n\t\t * if you are going to use XR in your app.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.enabled = false;\n\n\t\t/**\n\t\t * Whether XR presentation is active or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default false\n\t\t */\n\t\tthis.isPresenting = false;\n\n\t\t/**\n\t\t * Returns a group representing the `target ray` space of the XR controller.\n\t\t * Use this space for visualizing 3D objects that support the user in pointing\n\t\t * tasks like UI interaction.\n\t\t *\n\t\t * @param {number} index - The index of the controller.\n\t\t * @return {Group} A group representing the `target ray` space.\n\t\t */\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\t/**\n\t\t * Returns a group representing the `grip` space of the XR controller.\n\t\t * Use this space for visualizing 3D objects that support the user in pointing\n\t\t * tasks like UI interaction.\n\t\t *\n\t\t * Note: If you want to show something in the user's hand AND offer a\n\t\t * pointing ray at the same time, you'll want to attached the handheld object\n\t\t * to the group returned by `getControllerGrip()` and the ray to the\n\t\t * group returned by `getController()`. The idea is to have two\n\t\t * different groups in two different coordinate spaces for the same WebXR\n\t\t * controller.\n\t\t *\n\t\t * @param {number} index - The index of the controller.\n\t\t * @return {Group} A group representing the `grip` space.\n\t\t */\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\t/**\n\t\t * Returns a group representing the `hand` space of the XR controller.\n\t\t * Use this space for visualizing 3D objects that support the user in pointing\n\t\t * tasks like UI interaction.\n\t\t *\n\t\t * @param {number} index - The index of the controller.\n\t\t * @return {Group} A group representing the `hand` space.\n\t\t */\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controllerIndex = controllerInputSources.indexOf( event.inputSource );\n\n\t\t\tif ( controllerIndex === -1 ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\tif ( controller !== undefined ) {\n\n\t\t\t\tcontroller.update( event.inputSource, event.frame, customReferenceSpace || referenceSpace );\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tsession.removeEventListener( 'select', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectstart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeeze', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezestart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezeend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'end', onSessionEnd );\n\t\t\tsession.removeEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\n\t\t\t\tif ( inputSource === null ) continue;\n\n\t\t\t\tcontrollerInputSources[ i ] = null;\n\n\t\t\t\tcontrollers[ i ].disconnect( inputSource );\n\n\t\t\t}\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\tdepthSensing.reset();\n\t\t\tfor ( const key in cameraAccessTextures ) {\n\n\t\t\t\tdelete cameraAccessTextures[ key ];\n\n\t\t\t}\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\trenderer.setPixelRatio( currentPixelRatio );\n\t\t\trenderer.setSize( currentSize.width, currentSize.height, false );\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\t/**\n\t\t * Sets the framebuffer scale factor.\n\t\t *\n\t\t * This method can not be used during a XR session.\n\t\t *\n\t\t * @param {number} value - The framebuffer scale factor.\n\t\t */\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\twarn( 'WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Sets the reference space type. Can be used to configure a spatial relationship with the user's physical\n\t\t * environment. Depending on how the user moves in 3D space, setting an appropriate reference space can\n\t\t * improve tracking. Default is `local-floor`. Valid values can be found here\n\t\t * https://developer.mozilla.org/en-US/docs/Web/API/XRReferenceSpace#reference_space_types.\n\t\t *\n\t\t * This method can not be used during a XR session.\n\t\t *\n\t\t * @param {string} value - The reference space type.\n\t\t */\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\twarn( 'WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the XR reference space.\n\t\t *\n\t\t * @return {XRReferenceSpace} The XR reference space.\n\t\t */\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn customReferenceSpace || referenceSpace;\n\n\t\t};\n\n\t\t/**\n\t\t * Sets a custom XR reference space.\n\t\t *\n\t\t * @param {XRReferenceSpace} space - The XR reference space.\n\t\t */\n\t\tthis.setReferenceSpace = function ( space ) {\n\n\t\t\tcustomReferenceSpace = space;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the current base layer.\n\t\t *\n\t\t * This is an `XRProjectionLayer` when the targeted XR device supports the\n\t\t * WebXR Layers API, or an `XRWebGLLayer` otherwise.\n\t\t *\n\t\t * @return {?(XRWebGLLayer|XRProjectionLayer)} The XR base layer.\n\t\t */\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the current XR binding.\n\t\t *\n\t\t * Creates a new binding if needed and the browser is\n\t\t * capable of doing so.\n\t\t *\n\t\t * @return {?XRWebGLBinding} The XR binding. Returns `null` if one cannot be created.\n\t\t */\n\t\tthis.getBinding = function () {\n\n\t\t\tif ( glBinding === null && supportsGlBinding ) {\n\n\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t}\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the current XR frame.\n\t\t *\n\t\t * @return {?XRFrame} The XR frame. Returns `null` when used outside a XR session.\n\t\t */\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the current XR session.\n\t\t *\n\t\t * @return {?XRSession} The XR session. Returns `null` when used outside a XR session.\n\t\t */\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\t/**\n\t\t * After a XR session has been requested usually with one of the `*Button` modules, it\n\t\t * is injected into the renderer with this method. This method triggers the start of\n\t\t * the actual XR rendering.\n\t\t *\n\t\t * @async\n\t\t * @param {XRSession} value - The XR session to set.\n\t\t * @return {Promise} A Promise that resolves when the session has been set.\n\t\t */\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tcurrentPixelRatio = renderer.getPixelRatio();\n\t\t\t\trenderer.getSize( currentSize );\n\n\n\t\t\t\t// Check that the browser implements the necessary APIs to use an\n\t\t\t\t// XRProjectionLayer rather than an XRWebGLLayer\n\t\t\t\tconst supportsLayers = supportsGlBinding && 'createProjectionLayer' in XRWebGLBinding.prototype;\n\n\t\t\t\tif ( ! supportsLayers ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: attributes.antialias,\n\t\t\t\t\t\talpha: true,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\trenderer.setPixelRatio( 1 );\n\t\t\t\t\trenderer.setSize( glBaseLayer.framebufferWidth, glBaseLayer.framebufferHeight, false );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tcolorSpace: renderer.outputColorSpace,\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\tresolveDepthBuffer: ( glBaseLayer.ignoreDepthValues === false ),\n\t\t\t\t\t\t\tresolveStencilBuffer: ( glBaseLayer.ignoreDepthValues === false )\n\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? gl.DEPTH24_STENCIL8 : gl.DEPTH_COMPONENT24;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: gl.RGBA8,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = this.getBinding();\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\trenderer.setPixelRatio( 1 );\n\t\t\t\t\trenderer.setSize( glProjLayer.textureWidth, glProjLayer.textureHeight, false );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\tcolorSpace: renderer.outputColorSpace,\n\t\t\t\t\t\t\tsamples: attributes.antialias ? 4 : 0,\n\t\t\t\t\t\t\tresolveDepthBuffer: ( glProjLayer.ignoreDepthValues === false ),\n\t\t\t\t\t\t\tresolveStencilBuffer: ( glProjLayer.ignoreDepthValues === false )\n\t\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\tnewRenderTarget.isXRRenderTarget = true; // TODO Remove this when possible, see #23278\n\n\t\t\t\tthis.setFoveation( foveation );\n\n\t\t\t\tcustomReferenceSpace = null;\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the environment blend mode from the current XR session.\n\t\t *\n\t\t * @return {'opaque'|'additive'|'alpha-blend'|undefined} The environment blend mode. Returns `undefined` when used outside of a XR session.\n\t\t */\n\t\tthis.getEnvironmentBlendMode = function () {\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\treturn session.environmentBlendMode;\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the current depth texture computed via depth sensing.\n\t\t *\n\t\t * See {@link WebXRDepthSensing#getDepthTexture}.\n\t\t *\n\t\t * @return {?Texture} The depth texture.\n\t\t */\n\t\tthis.getDepthTexture = function () {\n\n\t\t\treturn depthSensing.getDepthTexture();\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst index = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( index >= 0 ) {\n\n\t\t\t\t\tcontrollerInputSources[ index ] = null;\n\t\t\t\t\tcontrollers[ index ].disconnect( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\n\t\t\t\tlet controllerIndex = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( controllerIndex === -1 ) {\n\n\t\t\t\t\t// Assign input source a controller that currently has no input source\n\n\t\t\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\t\t\tif ( i >= controllerInputSources.length ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources.push( inputSource );\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t} else if ( controllerInputSources[ i ] === null ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources[ i ] = inputSource;\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// If all controllers do currently receive input we ignore new ones\n\n\t\t\t\t\tif ( controllerIndex === -1 ) break;\n\n\t\t\t\t}\n\n\t\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.connect( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t *\n\t\t * @param {ArrayCamera} camera - The camera to update.\n\t\t * @param {PerspectiveCamera} cameraL - The left camera.\n\t\t * @param {PerspectiveCamera} cameraR - The right camera.\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Check if the projection uses an infinite far plane.\n\t\t\tif ( projL[ 10 ] === -1 ) {\n\n\t\t\t\t// Use the projection matrix from the left eye.\n\t\t\t\t// The camera offset is sufficient to include the view volumes\n\t\t\t\t// of both eyes (assuming symmetric projections).\n\t\t\t\tcamera.projectionMatrix.copy( cameraL.projectionMatrix );\n\t\t\t\tcamera.projectionMatrixInverse.copy( cameraL.projectionMatrixInverse );\n\n\t\t\t} else {\n\n\t\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t\t// although must now be relative to the new union camera.\n\t\t\t\tconst near2 = near + zOffset;\n\t\t\t\tconst far2 = far + zOffset;\n\t\t\t\tconst left2 = left - xOffset;\n\t\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\t\t\t\tcamera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\t/**\n\t\t * Updates the state of the XR camera. Use this method on app level if you\n\t\t * set `cameraAutoUpdate` to `false`. The method requires the non-XR\n\t\t * camera of the scene as a parameter. The passed in camera's transformation\n\t\t * is automatically adjusted to the position of the XR camera when calling\n\t\t * this method.\n\t\t *\n\t\t * @param {Camera} camera - The camera.\n\t\t */\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tlet depthNear = camera.near;\n\t\t\tlet depthFar = camera.far;\n\n\t\t\tif ( depthSensing.texture !== null ) {\n\n\t\t\t\tif ( depthSensing.depthNear > 0 ) depthNear = depthSensing.depthNear;\n\t\t\t\tif ( depthSensing.depthFar > 0 ) depthFar = depthSensing.depthFar;\n\n\t\t\t}\n\n\t\t\tcameraXR.near = cameraR.near = cameraL.near = depthNear;\n\t\t\tcameraXR.far = cameraR.far = cameraL.far = depthFar;\n\n\t\t\tif ( _currentDepthNear !== cameraXR.near || _currentDepthFar !== cameraXR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraXR.near,\n\t\t\t\t\tdepthFar: cameraXR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraXR.near;\n\t\t\t\t_currentDepthFar = cameraXR.far;\n\n\t\t\t}\n\n\t\t\t// inherit camera layers and enable eye layers (1 = left, 2 = right)\n\t\t\tcameraXR.layers.mask = camera.layers.mask | 0b110;\n\t\t\tcameraL.layers.mask = cameraXR.layers.mask & 0b011;\n\t\t\tcameraR.layers.mask = cameraXR.layers.mask & 0b101;\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraXR.cameras;\n\n\t\t\tupdateCamera( cameraXR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraXR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraXR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t\t// update user camera and its children\n\n\t\t\tupdateUserCamera( camera, cameraXR, parent );\n\n\t\t};\n\n\t\tfunction updateUserCamera( camera, cameraXR, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrix.copy( cameraXR.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrix.copy( parent.matrixWorld );\n\t\t\t\tcamera.matrix.invert();\n\t\t\t\tcamera.matrix.multiply( cameraXR.matrixWorld );\n\n\t\t\t}\n\n\t\t\tcamera.matrix.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.updateMatrixWorld( true );\n\n\t\t\tcamera.projectionMatrix.copy( cameraXR.projectionMatrix );\n\t\t\tcamera.projectionMatrixInverse.copy( cameraXR.projectionMatrixInverse );\n\n\t\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\t\tcamera.fov = RAD2DEG * 2 * Math.atan( 1 / camera.projectionMatrix.elements[ 5 ] );\n\t\t\t\tcamera.zoom = 1;\n\n\t\t\t}\n\n\t\t}\n\n\t\t/**\n\t\t * Returns an instance of {@link ArrayCamera} which represents the XR camera\n\t\t * of the active XR session. For each view it holds a separate camera object.\n\t\t *\n\t\t * The camera's `fov` is currently not used and does not reflect the fov of\n\t\t * the XR camera. If you need the fov on app level, you have to compute in\n\t\t * manually from the XR camera's projection matrices.\n\t\t *\n\t\t * @return {ArrayCamera} The XR camera.\n\t\t */\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraXR;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the amount of foveation used by the XR compositor for the projection layer.\n\t\t *\n\t\t * @return {number|undefined} The amount of foveation.\n\t\t */\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer === null && glBaseLayer === null ) {\n\n\t\t\t\treturn undefined;\n\n\t\t\t}\n\n\t\t\treturn foveation;\n\n\t\t};\n\n\t\t/**\n\t\t * Sets the foveation value.\n\t\t *\n\t\t * @param {number} value - A number in the range `[0,1]` where `0` means no foveation (full resolution)\n\t\t * and `1` means maximum foveation (the edges render at lower resolution).\n\t\t */\n\t\tthis.setFoveation = function ( value ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tfoveation = value;\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = value;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = value;\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Returns `true` if depth sensing is supported.\n\t\t *\n\t\t * @return {boolean} Whether depth sensing is supported or not.\n\t\t */\n\t\tthis.hasDepthSensing = function () {\n\n\t\t\treturn depthSensing.texture !== null;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the depth sensing mesh.\n\t\t *\n\t\t * See {@link WebXRDepthSensing#getMesh}.\n\t\t *\n\t\t * @return {Mesh} The depth sensing mesh.\n\t\t */\n\t\tthis.getDepthSensingMesh = function () {\n\n\t\t\treturn depthSensing.getMesh( cameraXR );\n\n\t\t};\n\n\t\t/**\n\t\t * Retrieves an opaque texture from the view-aligned {@link XRCamera}.\n\t\t * Only available during the current animation loop.\n\t\t *\n\t\t * @param {XRCamera} xrCamera - The camera to query.\n\t\t * @return {?Texture} An opaque texture representing the current raw camera frame.\n\t\t */\n\t\tthis.getCameraTexture = function ( xrCamera ) {\n\n\t\t\treturn cameraAccessTextures[ xrCamera ];\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( customReferenceSpace || referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraXRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraXR's camera list\n\n\t\t\t\tif ( views.length !== cameraXR.cameras.length ) {\n\n\t\t\t\t\tcameraXR.cameras.length = 0;\n\t\t\t\t\tcameraXRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlet camera = cameras[ i ];\n\n\t\t\t\t\tif ( camera === undefined ) {\n\n\t\t\t\t\t\tcamera = new PerspectiveCamera();\n\t\t\t\t\t\tcamera.layers.enable( i );\n\t\t\t\t\t\tcamera.viewport = new Vector4();\n\t\t\t\t\t\tcameras[ i ] = camera;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.matrix.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert();\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraXR.matrix.copy( camera.matrix );\n\t\t\t\t\t\tcameraXR.matrix.decompose( cameraXR.position, cameraXR.quaternion, cameraXR.scale );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraXRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraXR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tconst enabledFeatures = session.enabledFeatures;\n\t\t\t\tconst gpuDepthSensingEnabled = enabledFeatures &&\n\t\t\t\t\tenabledFeatures.includes( 'depth-sensing' ) &&\n\t\t\t\t\tsession.depthUsage == 'gpu-optimized';\n\n\t\t\t\tif ( gpuDepthSensingEnabled && supportsGlBinding ) {\n\n\t\t\t\t\tglBinding = scope.getBinding();\n\n\t\t\t\t\tconst depthData = glBinding.getDepthInformation( views[ 0 ] );\n\n\t\t\t\t\tif ( depthData && depthData.isValid && depthData.texture ) {\n\n\t\t\t\t\t\tdepthSensing.init( depthData, session.renderState );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst cameraAccessEnabled = enabledFeatures &&\n\t\t\t\t enabledFeatures.includes( 'camera-access' );\n\n\t\t\t\tif ( cameraAccessEnabled && supportsGlBinding ) {\n\n\t\t\t\t\trenderer.state.unbindTexture();\n\n\t\t\t\t\tglBinding = scope.getBinding();\n\n\t\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\t\tconst camera = views[ i ].camera;\n\n\t\t\t\t\t\tif ( camera ) {\n\n\t\t\t\t\t\t\tlet cameraTex = cameraAccessTextures[ camera ];\n\n\t\t\t\t\t\t\tif ( ! cameraTex ) {\n\n\t\t\t\t\t\t\t\tcameraTex = new ExternalTexture();\n\t\t\t\t\t\t\t\tcameraAccessTextures[ camera ] = cameraTex;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tconst glTexture = glBinding.getCameraImage( camera );\n\t\t\t\t\t\t\tcameraTex.sourceTexture = glTexture;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\t\t\t\tconst controller = controllers[ i ];\n\n\t\t\t\tif ( inputSource !== null && controller !== undefined ) {\n\n\t\t\t\t\tcontroller.update( inputSource, frame, customReferenceSpace || referenceSpace );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\tif ( frame.detectedPlanes ) {\n\n\t\t\t\tscope.dispatchEvent( { type: 'planesdetected', data: frame } );\n\n\t\t\t}\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nconst _e1 = /*@__PURE__*/ new Euler();\nconst _m1 = /*@__PURE__*/ new Matrix4();\n\nfunction WebGLMaterials( renderer, properties ) {\n\n\tfunction refreshTransformUniform( map, uniform ) {\n\n\t\tif ( map.matrixAutoUpdate === true ) {\n\n\t\t\tmap.updateMatrix();\n\n\t\t}\n\n\t\tuniform.value.copy( map.matrix );\n\n\t}\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tfog.color.getRGB( uniforms.fogColor.value, getUnlitUniformColorSpace( renderer ) );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\n\t\t\trefreshTransformUniform( material.bumpMap, uniforms.bumpMapTransform );\n\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\tuniforms.bumpScale.value *= -1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\n\t\t\trefreshTransformUniform( material.normalMap, uniforms.normalMapTransform );\n\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\tuniforms.normalScale.value.negate();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\n\t\t\trefreshTransformUniform( material.displacementMap, uniforms.displacementMapTransform );\n\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\trefreshTransformUniform( material.emissiveMap, uniforms.emissiveMapTransform );\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t\trefreshTransformUniform( material.specularMap, uniforms.specularMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst envMap = materialProperties.envMap;\n\t\tconst envMapRotation = materialProperties.envMapRotation;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\t_e1.copy( envMapRotation );\n\n\t\t\t// accommodate left-handed frame\n\t\t\t_e1.x *= -1; _e1.y *= -1; _e1.z *= -1;\n\n\t\t\tif ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) {\n\n\t\t\t\t// environment maps which are not cube render targets or PMREMs follow a different convention\n\t\t\t\t_e1.y *= -1;\n\t\t\t\t_e1.z *= -1;\n\n\t\t\t}\n\n\t\t\tuniforms.envMapRotation.value.setFromMatrix4( _m1.makeRotationFromEuler( _e1 ) );\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? -1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\trefreshTransformUniform( material.lightMap, uniforms.lightMapTransform );\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\trefreshTransformUniform( material.aoMap, uniforms.aoMapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.uvTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\trefreshTransformUniform( material.metalnessMap, uniforms.metalnessMapTransform );\n\n\t\t}\n\n\t\tuniforms.roughness.value = material.roughness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\trefreshTransformUniform( material.roughnessMap, uniforms.roughnessMapTransform );\n\n\t\t}\n\n\t\tif ( material.envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t\trefreshTransformUniform( material.sheenColorMap, uniforms.sheenColorMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t\trefreshTransformUniform( material.sheenRoughnessMap, uniforms.sheenRoughnessMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatMap, uniforms.clearcoatMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatRoughnessMap, uniforms.clearcoatRoughnessMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatNormalMap, uniforms.clearcoatNormalMapTransform );\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.dispersion > 0 ) {\n\n\t\t\tuniforms.dispersion.value = material.dispersion;\n\n\t\t}\n\n\t\tif ( material.iridescence > 0 ) {\n\n\t\t\tuniforms.iridescence.value = material.iridescence;\n\t\t\tuniforms.iridescenceIOR.value = material.iridescenceIOR;\n\t\t\tuniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[ 0 ];\n\t\t\tuniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[ 1 ];\n\n\t\t\tif ( material.iridescenceMap ) {\n\n\t\t\t\tuniforms.iridescenceMap.value = material.iridescenceMap;\n\n\t\t\t\trefreshTransformUniform( material.iridescenceMap, uniforms.iridescenceMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.iridescenceThicknessMap ) {\n\n\t\t\t\tuniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap;\n\n\t\t\t\trefreshTransformUniform( material.iridescenceThicknessMap, uniforms.iridescenceThicknessMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t\trefreshTransformUniform( material.transmissionMap, uniforms.transmissionMapTransform );\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t\trefreshTransformUniform( material.thicknessMap, uniforms.thicknessMapTransform );\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tif ( material.anisotropy > 0 ) {\n\n\t\t\tuniforms.anisotropyVector.value.set( material.anisotropy * Math.cos( material.anisotropyRotation ), material.anisotropy * Math.sin( material.anisotropyRotation ) );\n\n\t\t\tif ( material.anisotropyMap ) {\n\n\t\t\t\tuniforms.anisotropyMap.value = material.anisotropyMap;\n\n\t\t\t\trefreshTransformUniform( material.anisotropyMap, uniforms.anisotropyMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t\trefreshTransformUniform( material.specularColorMap, uniforms.specularColorMapTransform );\n\n\t\t}\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t\trefreshTransformUniform( material.specularIntensityMap, uniforms.specularIntensityMapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tconst light = properties.get( material ).light;\n\n\t\tuniforms.referencePosition.value.setFromMatrixPosition( light.matrixWorld );\n\t\tuniforms.nearDistance.value = light.shadow.camera.near;\n\t\tuniforms.farDistance.value = light.shadow.camera.far;\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction WebGLUniformsGroups( gl, info, capabilities, state ) {\n\n\tlet buffers = {};\n\tlet updateList = {};\n\tlet allocatedBindingPoints = [];\n\n\tconst maxBindingPoints = gl.getParameter( gl.MAX_UNIFORM_BUFFER_BINDINGS ); // binding points are global whereas block indices are per shader program\n\n\tfunction bind( uniformsGroup, program ) {\n\n\t\tconst webglProgram = program.program;\n\t\tstate.uniformBlockBinding( uniformsGroup, webglProgram );\n\n\t}\n\n\tfunction update( uniformsGroup, program ) {\n\n\t\tlet buffer = buffers[ uniformsGroup.id ];\n\n\t\tif ( buffer === undefined ) {\n\n\t\t\tprepareUniformsGroup( uniformsGroup );\n\n\t\t\tbuffer = createBuffer( uniformsGroup );\n\t\t\tbuffers[ uniformsGroup.id ] = buffer;\n\n\t\t\tuniformsGroup.addEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\t}\n\n\t\t// ensure to update the binding points/block indices mapping for this program\n\n\t\tconst webglProgram = program.program;\n\t\tstate.updateUBOMapping( uniformsGroup, webglProgram );\n\n\t\t// update UBO once per frame\n\n\t\tconst frame = info.render.frame;\n\n\t\tif ( updateList[ uniformsGroup.id ] !== frame ) {\n\n\t\t\tupdateBufferData( uniformsGroup );\n\n\t\t\tupdateList[ uniformsGroup.id ] = frame;\n\n\t\t}\n\n\t}\n\n\tfunction createBuffer( uniformsGroup ) {\n\n\t\t// the setup of an UBO is independent of a particular shader program but global\n\n\t\tconst bindingPointIndex = allocateBindingPointIndex();\n\t\tuniformsGroup.__bindingPointIndex = bindingPointIndex;\n\n\t\tconst buffer = gl.createBuffer();\n\t\tconst size = uniformsGroup.__size;\n\t\tconst usage = uniformsGroup.usage;\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, buffer );\n\t\tgl.bufferData( gl.UNIFORM_BUFFER, size, usage );\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, null );\n\t\tgl.bindBufferBase( gl.UNIFORM_BUFFER, bindingPointIndex, buffer );\n\n\t\treturn buffer;\n\n\t}\n\n\tfunction allocateBindingPointIndex() {\n\n\t\tfor ( let i = 0; i < maxBindingPoints; i ++ ) {\n\n\t\t\tif ( allocatedBindingPoints.indexOf( i ) === -1 ) {\n\n\t\t\t\tallocatedBindingPoints.push( i );\n\t\t\t\treturn i;\n\n\t\t\t}\n\n\t\t}\n\n\t\terror( 'WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached.' );\n\n\t\treturn 0;\n\n\t}\n\n\tfunction updateBufferData( uniformsGroup ) {\n\n\t\tconst buffer = buffers[ uniformsGroup.id ];\n\t\tconst uniforms = uniformsGroup.uniforms;\n\t\tconst cache = uniformsGroup.__cache;\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, buffer );\n\n\t\tfor ( let i = 0, il = uniforms.length; i < il; i ++ ) {\n\n\t\t\tconst uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];\n\n\t\t\tfor ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {\n\n\t\t\t\tconst uniform = uniformArray[ j ];\n\n\t\t\t\tif ( hasUniformChanged( uniform, i, j, cache ) === true ) {\n\n\t\t\t\t\tconst offset = uniform.__offset;\n\n\t\t\t\t\tconst values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];\n\n\t\t\t\t\tlet arrayOffset = 0;\n\n\t\t\t\t\tfor ( let k = 0; k < values.length; k ++ ) {\n\n\t\t\t\t\t\tconst value = values[ k ];\n\n\t\t\t\t\t\tconst info = getUniformSize( value );\n\n\t\t\t\t\t\t// TODO add integer and struct support\n\t\t\t\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\t\t\t\tuniform.__data[ 0 ] = value;\n\t\t\t\t\t\t\tgl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );\n\n\t\t\t\t\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t\t\t\t\t// manually converting 3x3 to 3x4\n\n\t\t\t\t\t\t\tuniform.__data[ 0 ] = value.elements[ 0 ];\n\t\t\t\t\t\t\tuniform.__data[ 1 ] = value.elements[ 1 ];\n\t\t\t\t\t\t\tuniform.__data[ 2 ] = value.elements[ 2 ];\n\t\t\t\t\t\t\tuniform.__data[ 3 ] = 0;\n\t\t\t\t\t\t\tuniform.__data[ 4 ] = value.elements[ 3 ];\n\t\t\t\t\t\t\tuniform.__data[ 5 ] = value.elements[ 4 ];\n\t\t\t\t\t\t\tuniform.__data[ 6 ] = value.elements[ 5 ];\n\t\t\t\t\t\t\tuniform.__data[ 7 ] = 0;\n\t\t\t\t\t\t\tuniform.__data[ 8 ] = value.elements[ 6 ];\n\t\t\t\t\t\t\tuniform.__data[ 9 ] = value.elements[ 7 ];\n\t\t\t\t\t\t\tuniform.__data[ 10 ] = value.elements[ 8 ];\n\t\t\t\t\t\t\tuniform.__data[ 11 ] = 0;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvalue.toArray( uniform.__data, arrayOffset );\n\n\t\t\t\t\t\t\tarrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, null );\n\n\t}\n\n\tfunction hasUniformChanged( uniform, index, indexArray, cache ) {\n\n\t\tconst value = uniform.value;\n\t\tconst indexString = index + '_' + indexArray;\n\n\t\tif ( cache[ indexString ] === undefined ) {\n\n\t\t\t// cache entry does not exist so far\n\n\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\tcache[ indexString ] = value;\n\n\t\t\t} else {\n\n\t\t\t\tcache[ indexString ] = value.clone();\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t} else {\n\n\t\t\tconst cachedObject = cache[ indexString ];\n\n\t\t\t// compare current value with cached entry\n\n\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\tif ( cachedObject !== value ) {\n\n\t\t\t\t\tcache[ indexString ] = value;\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( cachedObject.equals( value ) === false ) {\n\n\t\t\t\t\tcachedObject.copy( value );\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction prepareUniformsGroup( uniformsGroup ) {\n\n\t\t// determine total buffer size according to the STD140 layout\n\t\t// Hint: STD140 is the only supported layout in WebGL 2\n\n\t\tconst uniforms = uniformsGroup.uniforms;\n\n\t\tlet offset = 0; // global buffer offset in bytes\n\t\tconst chunkSize = 16; // size of a chunk in bytes\n\n\t\tfor ( let i = 0, l = uniforms.length; i < l; i ++ ) {\n\n\t\t\tconst uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];\n\n\t\t\tfor ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {\n\n\t\t\t\tconst uniform = uniformArray[ j ];\n\n\t\t\t\tconst values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];\n\n\t\t\t\tfor ( let k = 0, kl = values.length; k < kl; k ++ ) {\n\n\t\t\t\t\tconst value = values[ k ];\n\n\t\t\t\t\tconst info = getUniformSize( value );\n\n\t\t\t\t\tconst chunkOffset = offset % chunkSize; // offset in the current chunk\n\t\t\t\t\tconst chunkPadding = chunkOffset % info.boundary; // required padding to match boundary\n\t\t\t\t\tconst chunkStart = chunkOffset + chunkPadding; // the start position in the current chunk for the data\n\n\t\t\t\t\toffset += chunkPadding;\n\n\t\t\t\t\t// Check for chunk overflow\n\t\t\t\t\tif ( chunkStart !== 0 && ( chunkSize - chunkStart ) < info.storage ) {\n\n\t\t\t\t\t\t// Add padding and adjust offset\n\t\t\t\t\t\toffset += ( chunkSize - chunkStart );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the following two properties will be used for partial buffer updates\n\t\t\t\t\tuniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT );\n\t\t\t\t\tuniform.__offset = offset;\n\n\t\t\t\t\t// Update the global offset\n\t\t\t\t\toffset += info.storage;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ensure correct final padding\n\n\t\tconst chunkOffset = offset % chunkSize;\n\n\t\tif ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset );\n\n\t\t//\n\n\t\tuniformsGroup.__size = offset;\n\t\tuniformsGroup.__cache = {};\n\n\t\treturn this;\n\n\t}\n\n\tfunction getUniformSize( value ) {\n\n\t\tconst info = {\n\t\t\tboundary: 0, // bytes\n\t\t\tstorage: 0 // bytes\n\t\t};\n\n\t\t// determine sizes according to STD140\n\n\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t// float/int/bool\n\n\t\t\tinfo.boundary = 4;\n\t\t\tinfo.storage = 4;\n\n\t\t} else if ( value.isVector2 ) {\n\n\t\t\t// vec2\n\n\t\t\tinfo.boundary = 8;\n\t\t\tinfo.storage = 8;\n\n\t\t} else if ( value.isVector3 || value.isColor ) {\n\n\t\t\t// vec3\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 12; // evil: vec3 must start on a 16-byte boundary but it only consumes 12 bytes\n\n\t\t} else if ( value.isVector4 ) {\n\n\t\t\t// vec4\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 16;\n\n\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t// mat3 (in STD140 a 3x3 matrix is represented as 3x4)\n\n\t\t\tinfo.boundary = 48;\n\t\t\tinfo.storage = 48;\n\n\t\t} else if ( value.isMatrix4 ) {\n\n\t\t\t// mat4\n\n\t\t\tinfo.boundary = 64;\n\t\t\tinfo.storage = 64;\n\n\t\t} else if ( value.isTexture ) {\n\n\t\t\twarn( 'WebGLRenderer: Texture samplers can not be part of an uniforms group.' );\n\n\t\t} else {\n\n\t\t\twarn( 'WebGLRenderer: Unsupported uniform value type.', value );\n\n\t\t}\n\n\t\treturn info;\n\n\t}\n\n\tfunction onUniformsGroupsDispose( event ) {\n\n\t\tconst uniformsGroup = event.target;\n\n\t\tuniformsGroup.removeEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\tconst index = allocatedBindingPoints.indexOf( uniformsGroup.__bindingPointIndex );\n\t\tallocatedBindingPoints.splice( index, 1 );\n\n\t\tgl.deleteBuffer( buffers[ uniformsGroup.id ] );\n\n\t\tdelete buffers[ uniformsGroup.id ];\n\t\tdelete updateList[ uniformsGroup.id ];\n\n\t}\n\n\tfunction dispose() {\n\n\t\tfor ( const id in buffers ) {\n\n\t\t\tgl.deleteBuffer( buffers[ id ] );\n\n\t\t}\n\n\t\tallocatedBindingPoints = [];\n\t\tbuffers = {};\n\t\tupdateList = {};\n\n\t}\n\n\treturn {\n\n\t\tbind: bind,\n\t\tupdate: update,\n\n\t\tdispose: dispose\n\n\t};\n\n}\n\n/**\n * Precomputed DFG LUT for Image-Based Lighting\n * Resolution: 32x32\n * Samples: 4096 per texel\n * Format: RG16F (2 half floats per texel: scale, bias)\n */\n\n\nconst DATA = new Uint16Array( [\n\t0x2cd9, 0x3b64, 0x2d0e, 0x3b43, 0x2e20, 0x3aa7, 0x3061, 0x39fb, 0x325e, 0x397c, 0x3454, 0x3908, 0x357d, 0x3893, 0x3698, 0x381e, 0x379d, 0x375b, 0x3845, 0x3689, 0x38af, 0x35ca, 0x390d, 0x351e, 0x395f, 0x3484, 0x39a8, 0x33f9, 0x39e6, 0x330a, 0x3a1c, 0x3239, 0x3a4b, 0x3183, 0x3a73, 0x30e5, 0x3a95, 0x305b, 0x3ab1, 0x2fc6, 0x3ac9, 0x2ef7, 0x3ade, 0x2e43, 0x3aee, 0x2da7, 0x3afc, 0x2d1f, 0x3b07, 0x2ca9, 0x3b10, 0x2c42, 0x3b17, 0x2bd1, 0x3b1c, 0x2b34, 0x3b1f, 0x2aaa, 0x3b22, 0x2a31, 0x3b23, 0x29c7, 0x3b23, 0x2968,\n\t0x32d4, 0x3a4b, 0x32dc, 0x3a45, 0x3308, 0x3a26, 0x3378, 0x39d0, 0x3425, 0x394a, 0x34c9, 0x38be, 0x359c, 0x383e, 0x3688, 0x3796, 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RGFormat, HalfFloatType );\n\t\tlut.minFilter = LinearFilter;\n\t\tlut.magFilter = LinearFilter;\n\t\tlut.wrapS = ClampToEdgeWrapping;\n\t\tlut.wrapT = ClampToEdgeWrapping;\n\t\tlut.generateMipmaps = false;\n\t\tlut.needsUpdate = true;\n\n\t}\n\n\treturn lut;\n\n}\n\n/**\n * This renderer uses WebGL 2 to display scenes.\n *\n * WebGL 1 is not supported since `r163`.\n */\nclass WebGLRenderer {\n\n\t/**\n\t * Constructs a new WebGL renderer.\n\t *\n\t * @param {WebGLRenderer~Options} [parameters] - The configuration parameter.\n\t */\n\tconstructor( parameters = {} ) {\n\n\t\tconst {\n\t\t\tcanvas = createCanvasElement(),\n\t\t\tcontext = null,\n\t\t\tdepth = true,\n\t\t\tstencil = false,\n\t\t\talpha = false,\n\t\t\tantialias = false,\n\t\t\tpremultipliedAlpha = true,\n\t\t\tpreserveDrawingBuffer = false,\n\t\t\tpowerPreference = 'default',\n\t\t\tfailIfMajorPerformanceCaveat = false,\n\t\t\treversedDepthBuffer = false,\n\t\t} = parameters;\n\n\t\t/**\n\t\t * This flag can be used for type testing.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @readonly\n\t\t * @default true\n\t\t */\n\t\tthis.isWebGLRenderer = true;\n\n\t\tlet _alpha;\n\n\t\tif ( context !== null ) {\n\n\t\t\tif ( typeof WebGLRenderingContext !== 'undefined' && context instanceof WebGLRenderingContext ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLRenderer: WebGL 1 is not supported since r163.' );\n\n\t\t\t}\n\n\t\t\t_alpha = context.getContextAttributes().alpha;\n\n\t\t} else {\n\n\t\t\t_alpha = alpha;\n\n\t\t}\n\n\t\tconst INTEGER_FORMATS = new Set( [\n\t\t\tRGBAIntegerFormat,\n\t\t\tRGIntegerFormat,\n\t\t\tRedIntegerFormat\n\t\t] );\n\n\t\tconst UNSIGNED_TYPES = new Set( [\n\t\t\tUnsignedByteType,\n\t\t\tUnsignedIntType,\n\t\t\tUnsignedShortType,\n\t\t\tUnsignedInt248Type,\n\t\t\tUnsignedShort4444Type,\n\t\t\tUnsignedShort5551Type\n\t\t] );\n\n\t\tconst uintClearColor = new Uint32Array( 4 );\n\t\tconst intClearColor = new Int32Array( 4 );\n\n\t\tlet currentRenderList = null;\n\t\tlet currentRenderState = null;\n\n\t\t// render() can be called from within a callback triggered by another render.\n\t\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\t\tconst renderListStack = [];\n\t\tconst renderStateStack = [];\n\n\t\t// public properties\n\n\t\t/**\n\t\t * A canvas where the renderer draws its output.This is automatically created by the renderer\n\t\t * in the constructor (if not provided already); you just need to add it to your page like so:\n\t\t * ```js\n\t\t * document.body.appendChild( renderer.domElement );\n\t\t * ```\n\t\t *\n\t\t * @type {HTMLCanvasElement|OffscreenCanvas}\n\t\t */\n\t\tthis.domElement = canvas;\n\n\t\t/**\n\t\t * A object with debug configuration settings.\n\t\t *\n\t\t * - `checkShaderErrors`: If it is `true`, defines whether material shader programs are\n\t\t * checked for errors during compilation and linkage process. It may be useful to disable\n\t\t * this check in production for performance gain. It is strongly recommended to keep these\n\t\t * checks enabled during development. If the shader does not compile and link - it will not\n\t\t * work and associated material will not render.\n\t\t * - `onShaderError(gl, program, glVertexShader,glFragmentShader)`: A callback function that\n\t\t * can be used for custom error reporting. The callback receives the WebGL context, an instance\n\t\t * of WebGLProgram as well two instances of WebGLShader representing the vertex and fragment shader.\n\t\t * Assigning a custom function disables the default error reporting.\n\t\t *\n\t\t * @type {Object}\n\t\t */\n\t\tthis.debug = {\n\n\t\t\t/**\n\t\t\t * Enables error checking and reporting when shader programs are being compiled.\n\t\t\t * @type {boolean}\n\t\t\t */\n\t\t\tcheckShaderErrors: true,\n\t\t\t/**\n\t\t\t * Callback for custom error reporting.\n\t\t\t * @type {?Function}\n\t\t\t */\n\t\t\tonShaderError: null\n\t\t};\n\n\t\t// clearing\n\n\t\t/**\n\t\t * Whether the renderer should automatically clear its output before rendering a frame or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.autoClear = true;\n\n\t\t/**\n\t\t * If {@link WebGLRenderer#autoClear} set to `true`, whether the renderer should clear\n\t\t * the color buffer or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.autoClearColor = true;\n\n\t\t/**\n\t\t * If {@link WebGLRenderer#autoClear} set to `true`, whether the renderer should clear\n\t\t * the depth buffer or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.autoClearDepth = true;\n\n\t\t/**\n\t\t * If {@link WebGLRenderer#autoClear} set to `true`, whether the renderer should clear\n\t\t * the stencil buffer or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\t/**\n\t\t * Whether the renderer should sort objects or not.\n\t\t *\n\t\t * Note: Sorting is used to attempt to properly render objects that have some\n\t\t * degree of transparency. By definition, sorting objects may not work in all\n\t\t * cases. Depending on the needs of application, it may be necessary to turn\n\t\t * off sorting and use other methods to deal with transparency rendering e.g.\n\t\t * manually determining each object's rendering order.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\t/**\n\t\t * User-defined clipping planes specified in world space. These planes apply globally.\n\t\t * Points in space whose dot product with the plane is negative are cut away.\n\t\t *\n\t\t * @type {Array}\n\t\t */\n\t\tthis.clippingPlanes = [];\n\n\t\t/**\n\t\t * Whether the renderer respects object-level clipping planes or not.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.localClippingEnabled = false;\n\n\t\t// tone mapping\n\n\t\t/**\n\t\t * The tone mapping technique of the renderer.\n\t\t *\n\t\t * @type {(NoToneMapping|LinearToneMapping|ReinhardToneMapping|CineonToneMapping|ACESFilmicToneMapping|CustomToneMapping|AgXToneMapping|NeutralToneMapping)}\n\t\t * @default NoToneMapping\n\t\t */\n\t\tthis.toneMapping = NoToneMapping;\n\n\t\t/**\n\t\t * Exposure level of tone mapping.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.toneMappingExposure = 1.0;\n\n\t\t// transmission\n\n\t\t/**\n\t\t * The normalized resolution scale for the transmission render target, measured in percentage\n\t\t * of viewport dimensions. Lowering this value can result in significant performance improvements\n\t\t * when using {@link MeshPhysicalMaterial#transmission}.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.transmissionResolutionScale = 1.0;\n\n\t\t// internal properties\n\n\t\tconst _this = this;\n\n\t\tlet _isContextLost = false;\n\n\t\t// internal state cache\n\n\t\tthis._outputColorSpace = SRGBColorSpace;\n\n\t\tlet _currentActiveCubeFace = 0;\n\t\tlet _currentActiveMipmapLevel = 0;\n\t\tlet _currentRenderTarget = null;\n\t\tlet _currentMaterialId = -1;\n\n\t\tlet _currentCamera = null;\n\n\t\tconst _currentViewport = new Vector4();\n\t\tconst _currentScissor = new Vector4();\n\t\tlet _currentScissorTest = null;\n\n\t\tconst _currentClearColor = new Color( 0x000000 );\n\t\tlet _currentClearAlpha = 0;\n\n\t\t//\n\n\t\tlet _width = canvas.width;\n\t\tlet _height = canvas.height;\n\n\t\tlet _pixelRatio = 1;\n\t\tlet _opaqueSort = null;\n\t\tlet _transparentSort = null;\n\n\t\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\t\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\t\tlet _scissorTest = false;\n\n\t\t// frustum\n\n\t\tconst _frustum = new Frustum();\n\n\t\t// clipping\n\n\t\tlet _clippingEnabled = false;\n\t\tlet _localClippingEnabled = false;\n\n\t\t// camera matrices cache\n\n\t\tconst _projScreenMatrix = new Matrix4();\n\n\t\tconst _vector3 = new Vector3();\n\n\t\tconst _vector4 = new Vector4();\n\n\t\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\t\tlet _renderBackground = false;\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\t// initialize\n\n\t\tlet _gl = context;\n\n\t\tfunction getContext( contextName, contextAttributes ) {\n\n\t\t\treturn canvas.getContext( contextName, contextAttributes );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\tconst contextAttributes = {\n\t\t\t\talpha: true,\n\t\t\t\tdepth,\n\t\t\t\tstencil,\n\t\t\t\tantialias,\n\t\t\t\tpremultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer,\n\t\t\t\tpowerPreference,\n\t\t\t\tfailIfMajorPerformanceCaveat,\n\t\t\t};\n\n\t\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\t\tif ( 'setAttribute' in canvas ) canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t\tcanvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t\tcanvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t\tcanvas.addEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tconst contextName = 'webgl2';\n\n\t\t\t\t_gl = getContext( contextName, contextAttributes );\n\n\t\t\t\tif ( _gl === null ) {\n\n\t\t\t\t\tif ( getContext( contextName ) ) {\n\n\t\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} catch ( error ) {\n\n\t\t\terror( 'WebGLRenderer: ' + error.message );\n\t\t\tthrow error;\n\n\t\t}\n\n\t\tlet extensions, capabilities, state, info;\n\t\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\t\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\t\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\t\tlet utils, bindingStates, uniformsGroups;\n\n\t\tfunction initGLContext() {\n\n\t\t\textensions = new WebGLExtensions( _gl );\n\t\t\textensions.init();\n\n\t\t\tutils = new WebGLUtils( _gl, extensions );\n\n\t\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters, utils );\n\n\t\t\tstate = new WebGLState( _gl, extensions );\n\n\t\t\tif ( capabilities.reversedDepthBuffer && reversedDepthBuffer ) {\n\n\t\t\t\tstate.buffers.depth.setReversed( true );\n\n\t\t\t}\n\n\t\t\tinfo = new WebGLInfo( _gl );\n\t\t\tproperties = new WebGLProperties();\n\t\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\t\tattributes = new WebGLAttributes( _gl );\n\t\t\tbindingStates = new WebGLBindingStates( _gl, attributes );\n\t\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\t\tclipping = new WebGLClipping( properties );\n\t\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\t\tmaterials = new WebGLMaterials( _this, properties );\n\t\t\trenderLists = new WebGLRenderLists();\n\t\t\trenderStates = new WebGLRenderStates( extensions );\n\t\t\tbackground = new WebGLBackground( _this, cubemaps, cubeuvmaps, state, objects, _alpha, premultipliedAlpha );\n\t\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\t\t\tuniformsGroups = new WebGLUniformsGroups( _gl, info, capabilities, state );\n\n\t\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info );\n\t\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info );\n\n\t\t\tinfo.programs = programCache.programs;\n\n\t\t\t/**\n\t\t\t * Holds details about the capabilities of the current rendering context.\n\t\t\t *\n\t\t\t * @name WebGLRenderer#capabilities\n\t\t\t * @type {WebGLRenderer~Capabilities}\n\t\t\t */\n\t\t\t_this.capabilities = capabilities;\n\n\t\t\t/**\n\t\t\t * Provides methods for retrieving and testing WebGL extensions.\n\t\t\t *\n\t\t\t * - `get(extensionName:string)`: Used to check whether a WebGL extension is supported\n\t\t\t * and return the extension object if available.\n\t\t\t * - `has(extensionName:string)`: returns `true` if the extension is supported.\n\t\t\t *\n\t\t\t * @name WebGLRenderer#extensions\n\t\t\t * @type {Object}\n\t\t\t */\n\t\t\t_this.extensions = extensions;\n\n\t\t\t/**\n\t\t\t * Used to track properties of other objects like native WebGL objects.\n\t\t\t *\n\t\t\t * @name WebGLRenderer#properties\n\t\t\t * @type {Object}\n\t\t\t */\n\t\t\t_this.properties = properties;\n\n\t\t\t/**\n\t\t\t * Manages the render lists of the renderer.\n\t\t\t *\n\t\t\t * @name WebGLRenderer#renderLists\n\t\t\t * @type {Object}\n\t\t\t */\n\t\t\t_this.renderLists = renderLists;\n\n\n\n\t\t\t/**\n\t\t\t * Interface for managing shadows.\n\t\t\t *\n\t\t\t * @name WebGLRenderer#shadowMap\n\t\t\t * @type {WebGLRenderer~ShadowMap}\n\t\t\t */\n\t\t\t_this.shadowMap = shadowMap;\n\n\t\t\t/**\n\t\t\t * Interface for managing the WebGL state.\n\t\t\t *\n\t\t\t * @name WebGLRenderer#state\n\t\t\t * @type {Object}\n\t\t\t */\n\t\t\t_this.state = state;\n\n\t\t\t/**\n\t\t\t * Holds a series of statistical information about the GPU memory\n\t\t\t * and the rendering process. Useful for debugging and monitoring.\n\t\t\t *\n\t\t\t * By default these data are reset at each render call but when having\n\t\t\t * multiple render passes per frame (e.g. when using post processing) it can\n\t\t\t * be preferred to reset with a custom pattern. First, set `autoReset` to\n\t\t\t * `false`.\n\t\t\t * ```js\n\t\t\t * renderer.info.autoReset = false;\n\t\t\t * ```\n\t\t\t * Call `reset()` whenever you have finished to render a single frame.\n\t\t\t * ```js\n\t\t\t * renderer.info.reset();\n\t\t\t * ```\n\t\t\t *\n\t\t\t * @name WebGLRenderer#info\n\t\t\t * @type {WebGLRenderer~Info}\n\t\t\t */\n\t\t\t_this.info = info;\n\n\t\t}\n\n\t\tinitGLContext();\n\n\t\t// xr\n\n\t\tconst xr = new WebXRManager( _this, _gl );\n\n\t\t/**\n\t\t * A reference to the XR manager.\n\t\t *\n\t\t * @type {WebXRManager}\n\t\t */\n\t\tthis.xr = xr;\n\n\t\t/**\n\t\t * Returns the rendering context.\n\t\t *\n\t\t * @return {WebGL2RenderingContext} The rendering context.\n\t\t */\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the rendering context attributes.\n\t\t *\n\t\t * @return {WebGLContextAttributes} The rendering context attributes.\n\t\t */\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\t/**\n\t\t * Simulates a loss of the WebGL context. This requires support for the `WEBGL_lose_context` extension.\n\t\t */\n\t\tthis.forceContextLoss = function () {\n\n\t\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\t\tif ( extension ) extension.loseContext();\n\n\t\t};\n\n\t\t/**\n\t\t * Simulates a restore of the WebGL context. This requires support for the `WEBGL_lose_context` extension.\n\t\t */\n\t\tthis.forceContextRestore = function () {\n\n\t\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\t\tif ( extension ) extension.restoreContext();\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the pixel ratio.\n\t\t *\n\t\t * @return {number} The pixel ratio.\n\t\t */\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\t/**\n\t\t * Sets the given pixel ratio and resizes the canvas if necessary.\n\t\t *\n\t\t * @param {number} value - The pixel ratio.\n\t\t */\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _width, _height, false );\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the renderer's size in logical pixels. This method does not honor the pixel ratio.\n\t\t *\n\t\t * @param {Vector2} target - The method writes the result in this target object.\n\t\t * @return {Vector2} The renderer's size in logical pixels.\n\t\t */\n\t\tthis.getSize = function ( target ) {\n\n\t\t\treturn target.set( _width, _height );\n\n\t\t};\n\n\t\t/**\n\t\t * Resizes the output canvas to (width, height) with device pixel ratio taken\n\t\t * into account, and also sets the viewport to fit that size, starting in (0,\n\t\t * 0). Setting `updateStyle` to false prevents any style changes to the output canvas.\n\t\t *\n\t\t * @param {number} width - The width in logical pixels.\n\t\t * @param {number} height - The height in logical pixels.\n\t\t * @param {boolean} [updateStyle=true] - Whether to update the `style` attribute of the canvas or not.\n\t\t */\n\t\tthis.setSize = function ( width, height, updateStyle = true ) {\n\n\t\t\tif ( xr.isPresenting ) {\n\n\t\t\t\twarn( 'WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\tcanvas.width = Math.floor( width * _pixelRatio );\n\t\t\tcanvas.height = Math.floor( height * _pixelRatio );\n\n\t\t\tif ( updateStyle === true ) {\n\n\t\t\t\tcanvas.style.width = width + 'px';\n\t\t\t\tcanvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the drawing buffer size in physical pixels. This method honors the pixel ratio.\n\t\t *\n\t\t * @param {Vector2} target - The method writes the result in this target object.\n\t\t * @return {Vector2} The drawing buffer size.\n\t\t */\n\t\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t\t};\n\n\t\t/**\n\t\t * This method allows to define the drawing buffer size by specifying\n\t\t * width, height and pixel ratio all at once. The size of the drawing\n\t\t * buffer is computed with this formula:\n\t\t * ```js\n\t\t * size.x = width * pixelRatio;\n\t\t * size.y = height * pixelRatio;\n\t\t * ```\n\t\t *\n\t\t * @param {number} width - The width in logical pixels.\n\t\t * @param {number} height - The height in logical pixels.\n\t\t * @param {number} pixelRatio - The pixel ratio.\n\t\t */\n\t\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_pixelRatio = pixelRatio;\n\n\t\t\tcanvas.width = Math.floor( width * pixelRatio );\n\t\t\tcanvas.height = Math.floor( height * pixelRatio );\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the current viewport definition.\n\t\t *\n\t\t * @param {Vector2} target - The method writes the result in this target object.\n\t\t * @return {Vector2} The current viewport definition.\n\t\t */\n\t\tthis.getCurrentViewport = function ( target ) {\n\n\t\t\treturn target.copy( _currentViewport );\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the viewport definition.\n\t\t *\n\t\t * @param {Vector4} target - The method writes the result in this target object.\n\t\t * @return {Vector4} The viewport definition.\n\t\t */\n\t\tthis.getViewport = function ( target ) {\n\n\t\t\treturn target.copy( _viewport );\n\n\t\t};\n\n\t\t/**\n\t\t * Sets the viewport to render from `(x, y)` to `(x + width, y + height)`.\n\t\t *\n\t\t * @param {number | Vector4} x - The horizontal coordinate for the lower left corner of the viewport origin in logical pixel unit.\n\t\t * Or alternatively a four-component vector specifying all the parameters of the viewport.\n\t\t * @param {number} y - The vertical coordinate for the lower left corner of the viewport origin in logical pixel unit.\n\t\t * @param {number} width - The width of the viewport in logical pixel unit.\n\t\t * @param {number} height - The height of the viewport in logical pixel unit.\n\t\t */\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tif ( x.isVector4 ) {\n\n\t\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t\t} else {\n\n\t\t\t\t_viewport.set( x, y, width, height );\n\n\t\t\t}\n\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).round() );\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the scissor region.\n\t\t *\n\t\t * @param {Vector4} target - The method writes the result in this target object.\n\t\t * @return {Vector4} The scissor region.\n\t\t */\n\t\tthis.getScissor = function ( target ) {\n\n\t\t\treturn target.copy( _scissor );\n\n\t\t};\n\n\t\t/**\n\t\t * Sets the scissor region to render from `(x, y)` to `(x + width, y + height)`.\n\t\t *\n\t\t * @param {number | Vector4} x - The horizontal coordinate for the lower left corner of the scissor region origin in logical pixel unit.\n\t\t * Or alternatively a four-component vector specifying all the parameters of the scissor region.\n\t\t * @param {number} y - The vertical coordinate for the lower left corner of the scissor region origin in logical pixel unit.\n\t\t * @param {number} width - The width of the scissor region in logical pixel unit.\n\t\t * @param {number} height - The height of the scissor region in logical pixel unit.\n\t\t */\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tif ( x.isVector4 ) {\n\n\t\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t\t} else {\n\n\t\t\t\t_scissor.set( x, y, width, height );\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).round() );\n\n\t\t};\n\n\t\t/**\n\t\t * Returns `true` if the scissor test is enabled.\n\t\t *\n\t\t * @return {boolean} Whether the scissor test is enabled or not.\n\t\t */\n\t\tthis.getScissorTest = function () {\n\n\t\t\treturn _scissorTest;\n\n\t\t};\n\n\t\t/**\n\t\t * Enable or disable the scissor test. When this is enabled, only the pixels\n\t\t * within the defined scissor area will be affected by further renderer\n\t\t * actions.\n\t\t *\n\t\t * @param {boolean} boolean - Whether the scissor test is enabled or not.\n\t\t */\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\t/**\n\t\t * Sets a custom opaque sort function for the render lists. Pass `null`\n\t\t * to use the default `painterSortStable` function.\n\t\t *\n\t\t * @param {?Function} method - The opaque sort function.\n\t\t */\n\t\tthis.setOpaqueSort = function ( method ) {\n\n\t\t\t_opaqueSort = method;\n\n\t\t};\n\n\t\t/**\n\t\t * Sets a custom transparent sort function for the render lists. Pass `null`\n\t\t * to use the default `reversePainterSortStable` function.\n\t\t *\n\t\t * @param {?Function} method - The opaque sort function.\n\t\t */\n\t\tthis.setTransparentSort = function ( method ) {\n\n\t\t\t_transparentSort = method;\n\n\t\t};\n\n\t\t// Clearing\n\n\t\t/**\n\t\t * Returns the clear color.\n\t\t *\n\t\t * @param {Color} target - The method writes the result in this target object.\n\t\t * @return {Color} The clear color.\n\t\t */\n\t\tthis.getClearColor = function ( target ) {\n\n\t\t\treturn target.copy( background.getClearColor() );\n\n\t\t};\n\n\t\t/**\n\t\t * Sets the clear color and alpha.\n\t\t *\n\t\t * @param {Color} color - The clear color.\n\t\t * @param {number} [alpha=1] - The clear alpha.\n\t\t */\n\t\tthis.setClearColor = function () {\n\n\t\t\tbackground.setClearColor( ...arguments );\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the clear alpha. Ranges within `[0,1]`.\n\t\t *\n\t\t * @return {number} The clear alpha.\n\t\t */\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn background.getClearAlpha();\n\n\t\t};\n\n\t\t/**\n\t\t * Sets the clear alpha.\n\t\t *\n\t\t * @param {number} alpha - The clear alpha.\n\t\t */\n\t\tthis.setClearAlpha = function () {\n\n\t\t\tbackground.setClearAlpha( ...arguments );\n\n\t\t};\n\n\t\t/**\n\t\t * Tells the renderer to clear its color, depth or stencil drawing buffer(s).\n\t\t * This method initializes the buffers to the current clear color values.\n\t\t *\n\t\t * @param {boolean} [color=true] - Whether the color buffer should be cleared or not.\n\t\t * @param {boolean} [depth=true] - Whether the depth buffer should be cleared or not.\n\t\t * @param {boolean} [stencil=true] - Whether the stencil buffer should be cleared or not.\n\t\t */\n\t\tthis.clear = function ( color = true, depth = true, stencil = true ) {\n\n\t\t\tlet bits = 0;\n\n\t\t\tif ( color ) {\n\n\t\t\t\t// check if we're trying to clear an integer target\n\t\t\t\tlet isIntegerFormat = false;\n\t\t\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t\t\tconst targetFormat = _currentRenderTarget.texture.format;\n\t\t\t\t\tisIntegerFormat = INTEGER_FORMATS.has( targetFormat );\n\n\t\t\t\t}\n\n\t\t\t\t// use the appropriate clear functions to clear the target if it's a signed\n\t\t\t\t// or unsigned integer target\n\t\t\t\tif ( isIntegerFormat ) {\n\n\t\t\t\t\tconst targetType = _currentRenderTarget.texture.type;\n\t\t\t\t\tconst isUnsignedType = UNSIGNED_TYPES.has( targetType );\n\n\t\t\t\t\tconst clearColor = background.getClearColor();\n\t\t\t\t\tconst a = background.getClearAlpha();\n\t\t\t\t\tconst r = clearColor.r;\n\t\t\t\t\tconst g = clearColor.g;\n\t\t\t\t\tconst b = clearColor.b;\n\n\t\t\t\t\tif ( isUnsignedType ) {\n\n\t\t\t\t\t\tuintClearColor[ 0 ] = r;\n\t\t\t\t\t\tuintClearColor[ 1 ] = g;\n\t\t\t\t\t\tuintClearColor[ 2 ] = b;\n\t\t\t\t\t\tuintClearColor[ 3 ] = a;\n\t\t\t\t\t\t_gl.clearBufferuiv( _gl.COLOR, 0, uintClearColor );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tintClearColor[ 0 ] = r;\n\t\t\t\t\t\tintClearColor[ 1 ] = g;\n\t\t\t\t\t\tintClearColor[ 2 ] = b;\n\t\t\t\t\t\tintClearColor[ 3 ] = a;\n\t\t\t\t\t\t_gl.clearBufferiv( _gl.COLOR, 0, intClearColor );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbits |= _gl.COLOR_BUFFER_BIT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( depth ) {\n\n\t\t\t\tbits |= _gl.DEPTH_BUFFER_BIT;\n\n\t\t\t}\n\n\t\t\tif ( stencil ) {\n\n\t\t\t\tbits |= _gl.STENCIL_BUFFER_BIT;\n\t\t\t\tthis.state.buffers.stencil.setMask( 0xffffffff );\n\n\t\t\t}\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\t/**\n\t\t * Clears the color buffer. Equivalent to calling `renderer.clear( true, false, false )`.\n\t\t */\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\t/**\n\t\t * Clears the depth buffer. Equivalent to calling `renderer.clear( false, true, false )`.\n\t\t */\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\t/**\n\t\t * Clears the stencil buffer. Equivalent to calling `renderer.clear( false, false, true )`.\n\t\t */\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\t/**\n\t\t * Frees the GPU-related resources allocated by this instance. Call this\n\t\t * method whenever this instance is no longer used in your app.\n\t\t */\n\t\tthis.dispose = function () {\n\n\t\t\tcanvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t\tcanvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t\tcanvas.removeEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\t\tbackground.dispose();\n\t\t\trenderLists.dispose();\n\t\t\trenderStates.dispose();\n\t\t\tproperties.dispose();\n\t\t\tcubemaps.dispose();\n\t\t\tcubeuvmaps.dispose();\n\t\t\tobjects.dispose();\n\t\t\tbindingStates.dispose();\n\t\t\tuniformsGroups.dispose();\n\t\t\tprogramCache.dispose();\n\n\t\t\txr.dispose();\n\n\t\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\t\tanimation.stop();\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tlog( 'WebGLRenderer: Context Lost.' );\n\n\t\t\t_isContextLost = true;\n\n\t\t}\n\n\t\tfunction onContextRestore( /* event */ ) {\n\n\t\t\tlog( 'WebGLRenderer: Context Restored.' );\n\n\t\t\t_isContextLost = false;\n\n\t\t\tconst infoAutoReset = info.autoReset;\n\t\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\t\tconst shadowMapType = shadowMap.type;\n\n\t\t\tinitGLContext();\n\n\t\t\tinfo.autoReset = infoAutoReset;\n\t\t\tshadowMap.enabled = shadowMapEnabled;\n\t\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\t\tshadowMap.type = shadowMapType;\n\n\t\t}\n\n\t\tfunction onContextCreationError( event ) {\n\n\t\t\terror( 'WebGLRenderer: A WebGL context could not be created. Reason: ', event.statusMessage );\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tconst material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReferences( material );\n\n\t\t\tproperties.remove( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\t\tconst programs = properties.get( material ).programs;\n\n\t\t\tif ( programs !== undefined ) {\n\n\t\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t\t} );\n\n\t\t\t\tif ( material.isShaderMaterial ) {\n\n\t\t\t\t\tprogramCache.releaseShaderCache( material );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t\t//\n\n\t\t\tlet index = geometry.index;\n\t\t\tlet rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\n\t\t\t\tif ( index === undefined ) return;\n\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst drawRange = geometry.drawRange;\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tlet drawStart = drawRange.start * rangeFactor;\n\t\t\tlet drawEnd = ( drawRange.start + drawRange.count ) * rangeFactor;\n\n\t\t\tif ( group !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, group.start * rangeFactor );\n\t\t\t\tdrawEnd = Math.min( drawEnd, ( group.start + group.count ) * rangeFactor );\n\n\t\t\t}\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, 0 );\n\t\t\t\tdrawEnd = Math.min( drawEnd, index.count );\n\n\t\t\t} else if ( position !== undefined && position !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, 0 );\n\t\t\t\tdrawEnd = Math.min( drawEnd, position.count );\n\n\t\t\t}\n\n\t\t\tconst drawCount = drawEnd - drawStart;\n\n\t\t\tif ( drawCount < 0 || drawCount === Infinity ) return;\n\n\t\t\t//\n\n\t\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\t\tlet attribute;\n\t\t\tlet renderer = bufferRenderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tattribute = attributes.get( index );\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( attribute );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_LOOP );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\n\t\t\t}\n\n\t\t\tif ( object.isBatchedMesh ) {\n\n\t\t\t\tif ( object._multiDrawInstances !== null ) {\n\n\t\t\t\t\t// @deprecated, r174\n\t\t\t\t\twarnOnce( 'WebGLRenderer: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.' );\n\t\t\t\t\trenderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( ! extensions.get( 'WEBGL_multi_draw' ) ) {\n\n\t\t\t\t\t\tconst starts = object._multiDrawStarts;\n\t\t\t\t\t\tconst counts = object._multiDrawCounts;\n\t\t\t\t\t\tconst drawCount = object._multiDrawCount;\n\t\t\t\t\t\tconst bytesPerElement = index ? attributes.get( index ).bytesPerElement : 1;\n\t\t\t\t\t\tconst uniforms = properties.get( material ).currentProgram.getUniforms();\n\t\t\t\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\t\t\t\tuniforms.setValue( _gl, '_gl_DrawID', i );\n\t\t\t\t\t\t\trenderer.render( starts[ i ] / bytesPerElement, counts[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\trenderer.renderMultiDraw( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isInstancedMesh ) {\n\n\t\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tconst maxInstanceCount = geometry._maxInstanceCount !== undefined ? geometry._maxInstanceCount : Infinity;\n\t\t\t\tconst instanceCount = Math.min( geometry.instanceCount, maxInstanceCount );\n\n\t\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Compile\n\n\t\tfunction prepareMaterial( material, scene, object ) {\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t/**\n\t\t * Compiles all materials in the scene with the camera. This is useful to precompile shaders\n\t\t * before the first rendering. If you want to add a 3D object to an existing scene, use the third\n\t\t * optional parameter for applying the target scene.\n\t\t *\n\t\t * Note that the (target) scene's lighting and environment must be configured before calling this method.\n\t\t *\n\t\t * @param {Object3D} scene - The scene or another type of 3D object to precompile.\n\t\t * @param {Camera} camera - The camera.\n\t\t * @param {?Scene} [targetScene=null] - The target scene.\n\t\t * @return {Set} The precompiled materials.\n\t\t */\n\t\tthis.compile = function ( scene, camera, targetScene = null ) {\n\n\t\t\tif ( targetScene === null ) targetScene = scene;\n\n\t\t\tcurrentRenderState = renderStates.get( targetScene );\n\t\t\tcurrentRenderState.init( camera );\n\n\t\t\trenderStateStack.push( currentRenderState );\n\n\t\t\t// gather lights from both the target scene and the new object that will be added to the scene.\n\n\t\t\ttargetScene.traverseVisible( function ( object ) {\n\n\t\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\tif ( scene !== targetScene ) {\n\n\t\t\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tcurrentRenderState.setupLights();\n\n\t\t\t// Only initialize materials in the new scene, not the targetScene.\n\n\t\t\tconst materials = new Set();\n\n\t\t\tscene.traverse( function ( object ) {\n\n\t\t\t\tif ( ! ( object.isMesh || object.isPoints || object.isLine || object.isSprite ) ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( material ) {\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\t\tprepareMaterial( material2, targetScene, object );\n\t\t\t\t\t\t\tmaterials.add( material2 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tprepareMaterial( material, targetScene, object );\n\t\t\t\t\t\tmaterials.add( material );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\tcurrentRenderState = renderStateStack.pop();\n\n\t\t\treturn materials;\n\n\t\t};\n\n\t\t// compileAsync\n\n\t\t/**\n\t\t * Asynchronous version of {@link WebGLRenderer#compile}.\n\t\t *\n\t\t * This method makes use of the `KHR_parallel_shader_compile` WebGL extension. Hence,\n\t\t * it is recommended to use this version of `compile()` whenever possible.\n\t\t *\n\t\t * @async\n\t\t * @param {Object3D} scene - The scene or another type of 3D object to precompile.\n\t\t * @param {Camera} camera - The camera.\n\t\t * @param {?Scene} [targetScene=null] - The target scene.\n\t\t * @return {Promise} A Promise that resolves when the given scene can be rendered without unnecessary stalling due to shader compilation.\n\t\t */\n\t\tthis.compileAsync = function ( scene, camera, targetScene = null ) {\n\n\t\t\tconst materials = this.compile( scene, camera, targetScene );\n\n\t\t\t// Wait for all the materials in the new object to indicate that they're\n\t\t\t// ready to be used before resolving the promise.\n\n\t\t\treturn new Promise( ( resolve ) => {\n\n\t\t\t\tfunction checkMaterialsReady() {\n\n\t\t\t\t\tmaterials.forEach( function ( material ) {\n\n\t\t\t\t\t\tconst materialProperties = properties.get( material );\n\t\t\t\t\t\tconst program = materialProperties.currentProgram;\n\n\t\t\t\t\t\tif ( program.isReady() ) {\n\n\t\t\t\t\t\t\t// remove any programs that report they're ready to use from the list\n\t\t\t\t\t\t\tmaterials.delete( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\t// once the list of compiling materials is empty, call the callback\n\n\t\t\t\t\tif ( materials.size === 0 ) {\n\n\t\t\t\t\t\tresolve( scene );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// if some materials are still not ready, wait a bit and check again\n\n\t\t\t\t\tsetTimeout( checkMaterialsReady, 10 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extensions.get( 'KHR_parallel_shader_compile' ) !== null ) {\n\n\t\t\t\t\t// If we can check the compilation status of the materials without\n\t\t\t\t\t// blocking then do so right away.\n\n\t\t\t\t\tcheckMaterialsReady();\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Otherwise start by waiting a bit to give the materials we just\n\t\t\t\t\t// initialized a chance to finish.\n\n\t\t\t\t\tsetTimeout( checkMaterialsReady, 10 );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time ) {\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t\t}\n\n\t\tfunction onXRSessionStart() {\n\n\t\t\tanimation.stop();\n\n\t\t}\n\n\t\tfunction onXRSessionEnd() {\n\n\t\t\tanimation.start();\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tif ( typeof self !== 'undefined' ) animation.setContext( self );\n\n\t\t/**\n\t\t * Applications are advised to always define the animation loop\n\t\t * with this method and not manually with `requestAnimationFrame()`\n\t\t * for best compatibility.\n\t\t *\n\t\t * @param {?onAnimationCallback} callback - The application's animation loop.\n\t\t */\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\t\t\txr.setAnimationLoop( callback );\n\n\t\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t\t};\n\n\t\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t\t// Rendering\n\n\t\t/**\n\t\t * Renders the given scene (or other type of 3D object) using the given camera.\n\t\t *\n\t\t * The render is done to a previously specified render target set by calling {@link WebGLRenderer#setRenderTarget}\n\t\t * or to the canvas as usual.\n\t\t *\n\t\t * By default render buffers are cleared before rendering but you can prevent\n\t\t * this by setting the property `autoClear` to `false`. If you want to prevent\n\t\t * only certain buffers being cleared you can `autoClearColor`, `autoClearDepth`\n\t\t * or `autoClearStencil` to `false`. To force a clear, use {@link WebGLRenderer#clear}.\n\t\t *\n\t\t * @param {Object3D} scene - The scene to render.\n\t\t * @param {Camera} camera - The camera.\n\t\t */\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\terror( 'WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( _isContextLost === true ) return;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.matrixWorldAutoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null && camera.matrixWorldAutoUpdate === true ) camera.updateMatrixWorld();\n\n\t\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t\t}\n\n\t\t\t//\n\t\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\t\tcurrentRenderState.init( camera );\n\n\t\t\trenderStateStack.push( currentRenderState );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix, WebGLCoordinateSystem, camera.reversedDepth );\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled );\n\n\t\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\t\tcurrentRenderList.init();\n\n\t\t\trenderListStack.push( currentRenderList );\n\n\t\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\t\tconst depthSensingMesh = _this.xr.getDepthSensingMesh();\n\n\t\t\t\tif ( depthSensingMesh !== null ) {\n\n\t\t\t\t\tprojectObject( depthSensingMesh, camera, - Infinity, _this.sortObjects );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\t\tcurrentRenderList.finish();\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t\t}\n\n\t\t\t_renderBackground = xr.enabled === false || xr.isPresenting === false || xr.hasDepthSensing() === false;\n\t\t\tif ( _renderBackground ) {\n\n\t\t\t\tbackground.addToRenderList( currentRenderList, scene );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tthis.info.render.frame ++;\n\n\t\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t\t//\n\n\t\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t\t// render scene\n\n\t\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\n\t\t\tcurrentRenderState.setupLights();\n\n\t\t\tif ( camera.isArrayCamera ) {\n\n\t\t\t\tconst cameras = camera.cameras;\n\n\t\t\t\tif ( transmissiveObjects.length > 0 ) {\n\n\t\t\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\t\t\trenderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera );\n\n\t\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _currentRenderTarget !== null && _currentActiveMipmapLevel === 0 ) {\n\n\t\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t\t// _gl.finish();\n\n\t\t\tbindingStates.resetDefaultState();\n\t\t\t_currentMaterialId = -1;\n\t\t\t_currentCamera = null;\n\n\t\t\trenderStateStack.pop();\n\n\t\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, currentRenderState.state.camera );\n\n\t\t\t} else {\n\n\t\t\t\tcurrentRenderState = null;\n\n\t\t\t}\n\n\t\t\trenderListStack.pop();\n\n\t\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t\t} else {\n\n\t\t\t\tcurrentRenderList = null;\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tconst visible = object.layers.test( camera.layers );\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isGroup ) {\n\n\t\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t\t_vector4.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t\tif ( object.boundingSphere !== undefined ) {\n\n\t\t\t\t\t\t\t\tif ( object.boundingSphere === null ) object.computeBoundingSphere();\n\t\t\t\t\t\t\t\t_vector4.copy( object.boundingSphere.center );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\t\t\t\t\t\t\t\t_vector4.copy( geometry.boundingSphere.center );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_vector4\n\t\t\t\t\t\t\t\t.applyMatrix4( object.matrixWorld )\n\t\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector4.z, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst children = object.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\t\tconst { opaque: opaqueObjects, transmissive: transmissiveObjects, transparent: transparentObjects } = currentRenderList;\n\n\t\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );\n\n\t\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.buffers.depth.setTest( true );\n\t\t\tstate.buffers.depth.setMask( true );\n\t\t\tstate.buffers.color.setMask( true );\n\n\t\t\tstate.setPolygonOffset( false );\n\n\t\t}\n\n\t\tfunction renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera ) {\n\n\t\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\t\tif ( overrideMaterial !== null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( currentRenderState.state.transmissionRenderTarget[ camera.id ] === undefined ) {\n\n\t\t\t\tcurrentRenderState.state.transmissionRenderTarget[ camera.id ] = new WebGLRenderTarget( 1, 1, {\n\t\t\t\t\tgenerateMipmaps: true,\n\t\t\t\t\ttype: ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) ) ? HalfFloatType : UnsignedByteType,\n\t\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\t\tsamples: 4,\n\t\t\t\t\tstencilBuffer: stencil,\n\t\t\t\t\tresolveDepthBuffer: false,\n\t\t\t\t\tresolveStencilBuffer: false,\n\t\t\t\t\tcolorSpace: ColorManagement.workingColorSpace,\n\t\t\t\t} );\n\n\t\t\t\t// debug\n\n\t\t\t\t/*\n\t\t\t\tconst geometry = new PlaneGeometry();\n\t\t\t\tconst material = new MeshBasicMaterial( { map: _transmissionRenderTarget.texture } );\n\n\t\t\t\tconst mesh = new Mesh( geometry, material );\n\t\t\t\tscene.add( mesh );\n\t\t\t\t*/\n\n\t\t\t}\n\n\t\t\tconst transmissionRenderTarget = currentRenderState.state.transmissionRenderTarget[ camera.id ];\n\n\t\t\tconst activeViewport = camera.viewport || _currentViewport;\n\t\t\ttransmissionRenderTarget.setSize( activeViewport.z * _this.transmissionResolutionScale, activeViewport.w * _this.transmissionResolutionScale );\n\n\t\t\t//\n\n\t\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t\tconst currentActiveCubeFace = _this.getActiveCubeFace();\n\t\t\tconst currentActiveMipmapLevel = _this.getActiveMipmapLevel();\n\n\t\t\t_this.setRenderTarget( transmissionRenderTarget );\n\n\t\t\t_this.getClearColor( _currentClearColor );\n\t\t\t_currentClearAlpha = _this.getClearAlpha();\n\t\t\tif ( _currentClearAlpha < 1 ) _this.setClearColor( 0xffffff, 0.5 );\n\n\t\t\t_this.clear();\n\n\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\t\tconst currentToneMapping = _this.toneMapping;\n\t\t\t_this.toneMapping = NoToneMapping;\n\n\t\t\t// Remove viewport from camera to avoid nested render calls resetting viewport to it (e.g Reflector).\n\t\t\t// Transmission render pass requires viewport to match the transmissionRenderTarget.\n\t\t\tconst currentCameraViewport = camera.viewport;\n\t\t\tif ( camera.viewport !== undefined ) camera.viewport = undefined;\n\n\t\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );\n\n\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\ttextures.updateMultisampleRenderTarget( transmissionRenderTarget );\n\t\t\ttextures.updateRenderTargetMipmap( transmissionRenderTarget );\n\n\t\t\tif ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === false ) { // see #28131\n\n\t\t\t\tlet renderTargetNeedsUpdate = false;\n\n\t\t\t\tfor ( let i = 0, l = transmissiveObjects.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst renderItem = transmissiveObjects[ i ];\n\n\t\t\t\t\tconst { object, geometry, material, group } = renderItem;\n\n\t\t\t\t\tif ( material.side === DoubleSide && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\t\tconst currentSide = material.side;\n\n\t\t\t\t\t\tmaterial.side = BackSide;\n\t\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t\t\t\tmaterial.side = currentSide;\n\t\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t\t\trenderTargetNeedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetNeedsUpdate === true ) {\n\n\t\t\t\t\ttextures.updateMultisampleRenderTarget( transmissionRenderTarget );\n\t\t\t\t\ttextures.updateRenderTargetMipmap( transmissionRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_this.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel );\n\n\t\t\t_this.setClearColor( _currentClearColor, _currentClearAlpha );\n\n\t\t\tif ( currentCameraViewport !== undefined ) camera.viewport = currentCameraViewport;\n\n\t\t\t_this.toneMapping = currentToneMapping;\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\t\tconst { object, geometry, group } = renderItem;\n\t\t\t\tlet material = renderItem.material;\n\n\t\t\t\tif ( material.allowOverride === true && overrideMaterial !== null ) {\n\n\t\t\t\t\tmaterial = overrideMaterial;\n\n\t\t\t\t}\n\n\t\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t}\n\n\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t\t}\n\n\t\tfunction getProgram( material, scene, object ) {\n\n\t\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\t\tconst materialProperties = properties.get( material );\n\n\t\t\tconst lights = currentRenderState.state.lights;\n\t\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\t\tconst lightsStateVersion = lights.state.version;\n\n\t\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\t\tlet programs = materialProperties.programs;\n\n\t\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\t\tmaterialProperties.fog = scene.fog;\n\t\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\t\t\tmaterialProperties.envMapRotation = ( materialProperties.environment !== null && material.envMap === null ) ? scene.environmentRotation : material.envMapRotation;\n\n\t\t\tif ( programs === undefined ) {\n\n\t\t\t\t// new material\n\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t\tprograms = new Map();\n\t\t\t\tmaterialProperties.programs = programs;\n\n\t\t\t}\n\n\t\t\tlet program = programs.get( programCacheKey );\n\n\t\t\tif ( program !== undefined ) {\n\n\t\t\t\t// early out if program and light state is identical\n\n\t\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\t\treturn program;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t\t}\n\n\t\t\tconst uniforms = materialProperties.uniforms;\n\n\t\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t\t}\n\n\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\t\tuniforms.spotLightMatrix.value = lights.state.spotLightMatrix;\n\t\t\t\tuniforms.spotLightMap.value = lights.state.spotLightMap;\n\t\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t\t}\n\n\t\t\tmaterialProperties.currentProgram = program;\n\t\t\tmaterialProperties.uniformsList = null;\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction getUniformList( materialProperties ) {\n\n\t\t\tif ( materialProperties.uniformsList === null ) {\n\n\t\t\t\tconst progUniforms = materialProperties.currentProgram.getUniforms();\n\t\t\t\tmaterialProperties.uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, materialProperties.uniforms );\n\n\t\t\t}\n\n\t\t\treturn materialProperties.uniformsList;\n\n\t\t}\n\n\t\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\t\tconst materialProperties = properties.get( material );\n\n\t\t\tmaterialProperties.outputColorSpace = parameters.outputColorSpace;\n\t\t\tmaterialProperties.batching = parameters.batching;\n\t\t\tmaterialProperties.batchingColor = parameters.batchingColor;\n\t\t\tmaterialProperties.instancing = parameters.instancing;\n\t\t\tmaterialProperties.instancingColor = parameters.instancingColor;\n\t\t\tmaterialProperties.instancingMorph = parameters.instancingMorph;\n\t\t\tmaterialProperties.skinning = parameters.skinning;\n\t\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\t\tmaterialProperties.morphColors = parameters.morphColors;\n\t\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\t\t\tmaterialProperties.toneMapping = parameters.toneMapping;\n\n\t\t}\n\n\t\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\t\ttextures.resetTextureUnits();\n\n\t\t\tconst fog = scene.fog;\n\t\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\t\tconst colorSpace = ( _currentRenderTarget === null ) ? _this.outputColorSpace : ( _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace );\n\t\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\t\tconst vertexTangents = !! geometry.attributes.tangent && ( !! material.normalMap || material.anisotropy > 0 );\n\t\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\t\tconst morphColors = !! geometry.morphAttributes.color;\n\n\t\t\tlet toneMapping = NoToneMapping;\n\n\t\t\tif ( material.toneMapped ) {\n\n\t\t\t\tif ( _currentRenderTarget === null || _currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\t\t\t\ttoneMapping = _this.toneMapping;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\t\tconst materialProperties = properties.get( material );\n\t\t\tconst lights = currentRenderState.state.lights;\n\n\t\t\tif ( _clippingEnabled === true ) {\n\n\t\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\t\tconst useCache =\n\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet needsProgramChange = false;\n\n\t\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.outputColorSpace !== colorSpace ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batching === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isBatchedMesh && materialProperties.batching === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batchingColor === true && object.colorTexture === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batchingColor === false && object.colorTexture !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingColor === true && object.instanceColor === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingColor === false && object.instanceColor !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingMorph === true && object.morphTexture === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingMorph === false && object.morphTexture !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( material.fog === true && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphColors !== morphColors ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.toneMapping !== toneMapping ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tneedsProgramChange = true;\n\t\t\t\tmaterialProperties.__version = material.version;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet program = materialProperties.currentProgram;\n\n\t\t\tif ( needsProgramChange === true ) {\n\n\t\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t\t}\n\n\t\t\tlet refreshProgram = false;\n\t\t\tlet refreshMaterial = false;\n\t\t\tlet refreshLights = false;\n\n\t\t\tconst p_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\t\t// common camera uniforms\n\n\t\t\t\tconst reversedDepthBuffer = state.buffers.depth.getReversed();\n\n\t\t\t\tif ( reversedDepthBuffer && camera.reversedDepth !== true ) {\n\n\t\t\t\t\tcamera._reversedDepth = true;\n\t\t\t\t\tcamera.updateProjectionMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl, _vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// consider moving isOrthographic to UniformLib and WebGLMaterials, see https://github.com/mrdoob/three.js/pull/26467#issuecomment-1645185067\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t\t}\n\n\t\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tconst skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( object.isBatchedMesh ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingTexture' );\n\t\t\t\tp_uniforms.setValue( _gl, 'batchingTexture', object._matricesTexture, textures );\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingIdTexture' );\n\t\t\t\tp_uniforms.setValue( _gl, 'batchingIdTexture', object._indirectTexture, textures );\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingColorTexture' );\n\t\t\t\tif ( object._colorsTexture !== null ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'batchingColorTexture', object._colorsTexture, textures );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\t\tif ( morphAttributes.position !== undefined || morphAttributes.normal !== undefined || ( morphAttributes.color !== undefined ) ) {\n\n\t\t\t\tmorphtargets.update( object, geometry, program );\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t\t}\n\n\t\t\t// https://github.com/mrdoob/three.js/pull/24467#issuecomment-1209031512\n\n\t\t\tif ( material.isMeshGouraudMaterial && material.envMap !== null ) {\n\n\t\t\t\tm_uniforms.envMap.value = envMap;\n\n\t\t\t\tm_uniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? -1 : 1;\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshStandardMaterial && material.envMap === null && scene.environment !== null ) {\n\n\t\t\t\tm_uniforms.envMapIntensity.value = scene.environmentIntensity;\n\n\t\t\t}\n\n\t\t\t// Set DFG LUT for physically-based materials\n\t\t\tif ( m_uniforms.dfgLUT !== undefined ) {\n\n\t\t\t\tm_uniforms.dfgLUT.value = getDFGLUT();\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog === true ) {\n\n\t\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, currentRenderState.state.transmissionRenderTarget[ camera.id ] );\n\n\t\t\t\tWebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );\n\n\t\t\t}\n\n\t\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\t\tWebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );\n\t\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t\t}\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\t// UBOs\n\n\t\t\tif ( material.isShaderMaterial || material.isRawShaderMaterial ) {\n\n\t\t\t\tconst groups = material.uniformsGroups;\n\n\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\t\tuniformsGroups.update( group, program );\n\t\t\t\t\tuniformsGroups.bind( group, program );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\tfunction materialNeedsLights( material ) {\n\n\t\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t\t}\n\n\t\t/**\n\t\t * Returns the active cube face.\n\t\t *\n\t\t * @return {number} The active cube face.\n\t\t */\n\t\tthis.getActiveCubeFace = function () {\n\n\t\t\treturn _currentActiveCubeFace;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the active mipmap level.\n\t\t *\n\t\t * @return {number} The active mipmap level.\n\t\t */\n\t\tthis.getActiveMipmapLevel = function () {\n\n\t\t\treturn _currentActiveMipmapLevel;\n\n\t\t};\n\n\t\t/**\n\t\t * Returns the active render target.\n\t\t *\n\t\t * @return {?WebGLRenderTarget} The active render target. Returns `null` if no render target\n\t\t * is currently set.\n\t\t */\n\t\tthis.getRenderTarget = function () {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = renderTarget.resolveDepthBuffer === false;\n\t\t\tif ( renderTargetProperties.__autoAllocateDepthBuffer === false ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\trenderTargetProperties.__useRenderToTexture = false;\n\n\t\t\t}\n\n\t\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = renderTargetProperties.__autoAllocateDepthBuffer ? undefined : depthTexture;\n\n\t\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\t};\n\n\t\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t\t};\n\n\t\tconst _scratchFrameBuffer = _gl.createFramebuffer();\n\n\t\t/**\n\t\t * Sets the active rendertarget.\n\t\t *\n\t\t * @param {?WebGLRenderTarget} renderTarget - The render target to set. When `null` is given,\n\t\t * the canvas is set as the active render target instead.\n\t\t * @param {number} [activeCubeFace=0] - The active cube face when using a cube render target.\n\t\t * Indicates the z layer to render in to when using 3D or array render targets.\n\t\t * @param {number} [activeMipmapLevel=0] - The active mipmap level.\n\t\t */\n\t\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\t\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\n\t\t\tlet useDefaultFramebuffer = true;\n\t\t\tlet framebuffer = null;\n\t\t\tlet isCube = false;\n\t\t\tlet isRenderTarget3D = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\t\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t\t} else if ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t// check if the depth texture is already bound to the frame buffer and that it's been initialized\n\t\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\t\t\tif ( renderTargetProperties.__boundDepthTexture !== depthTexture ) {\n\n\t\t\t\t\t\t// check if the depth texture is compatible\n\t\t\t\t\t\tif (\n\t\t\t\t\t\t\tdepthTexture !== null &&\n\t\t\t\t\t\t\tproperties.has( depthTexture ) &&\n\t\t\t\t\t\t\t( renderTarget.width !== depthTexture.image.width || renderTarget.height !== depthTexture.image.height )\n\t\t\t\t\t\t) {\n\n\t\t\t\t\t\t\tthrow new Error( 'WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size.' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Swap the depth buffer to the currently attached one\n\t\t\t\t\t\ttextures.setupDepthRenderbuffer( renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst texture = renderTarget.texture;\n\n\t\t\t\tif ( texture.isData3DTexture || texture.isDataArrayTexture || texture.isCompressedArrayTexture ) {\n\n\t\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\t\tif ( Array.isArray( __webglFramebuffer[ activeCubeFace ] ) ) {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ][ activeMipmapLevel ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tisCube = true;\n\n\t\t\t\t} else if ( ( renderTarget.samples > 0 ) && textures.useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( Array.isArray( __webglFramebuffer ) ) {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeMipmapLevel ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t} else {\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t}\n\n\t\t\t// Use a scratch frame buffer if rendering to a mip level to avoid depth buffers\n\t\t\t// being bound that are different sizes.\n\t\t\tif ( activeMipmapLevel !== 0 ) {\n\n\t\t\t\tframebuffer = _scratchFrameBuffer;\n\n\t\t\t}\n\n\t\t\tconst framebufferBound = state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( framebufferBound && useDefaultFramebuffer ) {\n\n\t\t\t\tstate.drawBuffers( renderTarget, framebuffer );\n\n\t\t\t}\n\n\t\t\tstate.viewport( _currentViewport );\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\t\tconst layer = activeCubeFace;\n\n\t\t\t\tfor ( let i = 0; i < renderTarget.textures.length; i ++ ) {\n\n\t\t\t\t\tconst textureProperties = properties.get( renderTarget.textures[ i ] );\n\n\t\t\t\t\t_gl.framebufferTextureLayer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, textureProperties.__webglTexture, activeMipmapLevel, layer );\n\n\t\t\t\t}\n\n\t\t\t} else if ( renderTarget !== null && activeMipmapLevel !== 0 ) {\n\n\t\t\t\t// Only bind the frame buffer if we are using a scratch frame buffer to render to a mipmap.\n\t\t\t\t// If we rebind the texture when using a multi sample buffer then an error about inconsistent samples will be thrown.\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t\t}\n\n\t\t\t_currentMaterialId = -1; // reset current material to ensure correct uniform bindings\n\n\t\t};\n\n\t\t/**\n\t\t * Reads the pixel data from the given render target into the given buffer.\n\t\t *\n\t\t * @param {WebGLRenderTarget} renderTarget - The render target to read from.\n\t\t * @param {number} x - The `x` coordinate of the copy region's origin.\n\t\t * @param {number} y - The `y` coordinate of the copy region's origin.\n\t\t * @param {number} width - The width of the copy region.\n\t\t * @param {number} height - The height of the copy region.\n\t\t * @param {TypedArray} buffer - The result buffer.\n\t\t * @param {number} [activeCubeFaceIndex] - The active cube face index.\n\t\t * @param {number} [textureIndex=0] - The texture index of an MRT render target.\n\t\t */\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex, textureIndex = 0 ) {\n\n\t\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\t\terror( 'WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t\t}\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\ttry {\n\n\t\t\t\t\tconst texture = renderTarget.textures[ textureIndex ];\n\t\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\t\tif ( ! capabilities.textureFormatReadable( textureFormat ) ) {\n\n\t\t\t\t\t\terror( 'WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! capabilities.textureTypeReadable( textureType ) ) {\n\n\t\t\t\t\t\terror( 'WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t// when using MRT, select the correct color buffer for the subsequent read command\n\n\t\t\t\t\t\tif ( renderTarget.textures.length > 1 ) _gl.readBuffer( _gl.COLOR_ATTACHMENT0 + textureIndex );\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Asynchronous, non-blocking version of {@link WebGLRenderer#readRenderTargetPixels}.\n\t\t *\n\t\t * It is recommended to use this version of `readRenderTargetPixels()` whenever possible.\n\t\t *\n\t\t * @async\n\t\t * @param {WebGLRenderTarget} renderTarget - The render target to read from.\n\t\t * @param {number} x - The `x` coordinate of the copy region's origin.\n\t\t * @param {number} y - The `y` coordinate of the copy region's origin.\n\t\t * @param {number} width - The width of the copy region.\n\t\t * @param {number} height - The height of the copy region.\n\t\t * @param {TypedArray} buffer - The result buffer.\n\t\t * @param {number} [activeCubeFaceIndex] - The active cube face index.\n\t\t * @param {number} [textureIndex=0] - The texture index of an MRT render target.\n\t\t * @return {Promise} A Promise that resolves when the read has been finished. The resolve provides the read data as a typed array.\n\t\t */\n\t\tthis.readRenderTargetPixelsAsync = async function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex, textureIndex = 0 ) {\n\n\t\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\n\t\t\t}\n\n\t\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t\t}\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t// set the active frame buffer to the one we want to read\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\tconst texture = renderTarget.textures[ textureIndex ];\n\t\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\t\tif ( ! capabilities.textureFormatReadable( textureFormat ) ) {\n\n\t\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! capabilities.textureTypeReadable( textureType ) ) {\n\n\t\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst glBuffer = _gl.createBuffer();\n\t\t\t\t\t_gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer );\n\t\t\t\t\t_gl.bufferData( _gl.PIXEL_PACK_BUFFER, buffer.byteLength, _gl.STREAM_READ );\n\n\t\t\t\t\t// when using MRT, select the correct color buffer for the subsequent read command\n\n\t\t\t\t\tif ( renderTarget.textures.length > 1 ) _gl.readBuffer( _gl.COLOR_ATTACHMENT0 + textureIndex );\n\n\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), 0 );\n\n\t\t\t\t\t// reset the frame buffer to the currently set buffer before waiting\n\t\t\t\t\tconst currFramebuffer = _currentRenderTarget !== null ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, currFramebuffer );\n\n\t\t\t\t\t// check if the commands have finished every 8 ms\n\t\t\t\t\tconst sync = _gl.fenceSync( _gl.SYNC_GPU_COMMANDS_COMPLETE, 0 );\n\n\t\t\t\t\t_gl.flush();\n\n\t\t\t\t\tawait probeAsync( _gl, sync, 4 );\n\n\t\t\t\t\t// read the data and delete the buffer\n\t\t\t\t\t_gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer );\n\t\t\t\t\t_gl.getBufferSubData( _gl.PIXEL_PACK_BUFFER, 0, buffer );\n\t\t\t\t\t_gl.deleteBuffer( glBuffer );\n\t\t\t\t\t_gl.deleteSync( sync );\n\n\t\t\t\t\treturn buffer;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Copies pixels from the current bound framebuffer into the given texture.\n\t\t *\n\t\t * @param {FramebufferTexture} texture - The texture.\n\t\t * @param {?Vector2} [position=null] - The start position of the copy operation.\n\t\t * @param {number} [level=0] - The mip level. The default represents the base mip.\n\t\t */\n\t\tthis.copyFramebufferToTexture = function ( texture, position = null, level = 0 ) {\n\n\t\t\tconst levelScale = Math.pow( 2, - level );\n\t\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\t\tconst x = position !== null ? position.x : 0;\n\t\t\tconst y = position !== null ? position.y : 0;\n\n\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t\t_gl.copyTexSubImage2D( _gl.TEXTURE_2D, level, 0, 0, x, y, width, height );\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tconst _srcFramebuffer = _gl.createFramebuffer();\n\t\tconst _dstFramebuffer = _gl.createFramebuffer();\n\n\t\t/**\n\t\t * Copies data of the given source texture into a destination texture.\n\t\t *\n\t\t * When using render target textures as `srcTexture` and `dstTexture`, you must make sure both render targets are initialized\n\t\t * {@link WebGLRenderer#initRenderTarget}.\n\t\t *\n\t\t * @param {Texture} srcTexture - The source texture.\n\t\t * @param {Texture} dstTexture - The destination texture.\n\t\t * @param {?(Box2|Box3)} [srcRegion=null] - A bounding box which describes the source region. Can be two or three-dimensional.\n\t\t * @param {?(Vector2|Vector3)} [dstPosition=null] - A vector that represents the origin of the destination region. Can be two or three-dimensional.\n\t\t * @param {number} [srcLevel=0] - The source mipmap level to copy.\n\t\t * @param {?number} [dstLevel=null] - The destination mipmap level.\n\t\t */\n\t\tthis.copyTextureToTexture = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, srcLevel = 0, dstLevel = null ) {\n\n\t\t\t// support the previous signature with just a single dst mipmap level\n\t\t\tif ( dstLevel === null ) {\n\n\t\t\t\tif ( srcLevel !== 0 ) {\n\n\t\t\t\t\t// @deprecated, r171\n\t\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels.' );\n\t\t\t\t\tdstLevel = srcLevel;\n\t\t\t\t\tsrcLevel = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdstLevel = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// gather the necessary dimensions to copy\n\t\t\tlet width, height, depth, minX, minY, minZ;\n\t\t\tlet dstX, dstY, dstZ;\n\t\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ dstLevel ] : srcTexture.image;\n\t\t\tif ( srcRegion !== null ) {\n\n\t\t\t\twidth = srcRegion.max.x - srcRegion.min.x;\n\t\t\t\theight = srcRegion.max.y - srcRegion.min.y;\n\t\t\t\tdepth = srcRegion.isBox3 ? srcRegion.max.z - srcRegion.min.z : 1;\n\t\t\t\tminX = srcRegion.min.x;\n\t\t\t\tminY = srcRegion.min.y;\n\t\t\t\tminZ = srcRegion.isBox3 ? srcRegion.min.z : 0;\n\n\t\t\t} else {\n\n\t\t\t\tconst levelScale = Math.pow( 2, - srcLevel );\n\t\t\t\twidth = Math.floor( image.width * levelScale );\n\t\t\t\theight = Math.floor( image.height * levelScale );\n\t\t\t\tif ( srcTexture.isDataArrayTexture ) {\n\n\t\t\t\t\tdepth = image.depth;\n\n\t\t\t\t} else if ( srcTexture.isData3DTexture ) {\n\n\t\t\t\t\tdepth = Math.floor( image.depth * levelScale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdepth = 1;\n\n\t\t\t\t}\n\n\t\t\t\tminX = 0;\n\t\t\t\tminY = 0;\n\t\t\t\tminZ = 0;\n\n\t\t\t}\n\n\t\t\tif ( dstPosition !== null ) {\n\n\t\t\t\tdstX = dstPosition.x;\n\t\t\t\tdstY = dstPosition.y;\n\t\t\t\tdstZ = dstPosition.z;\n\n\t\t\t} else {\n\n\t\t\t\tdstX = 0;\n\t\t\t\tdstY = 0;\n\t\t\t\tdstZ = 0;\n\n\t\t\t}\n\n\t\t\t// Set up the destination target\n\t\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\t\tconst glType = utils.convert( dstTexture.type );\n\t\t\tlet glTarget;\n\n\t\t\tif ( dstTexture.isData3DTexture ) {\n\n\t\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_3D;\n\n\t\t\t} else if ( dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture ) {\n\n\t\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t} else {\n\n\t\t\t\ttextures.setTexture2D( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_2D;\n\n\t\t\t}\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment );\n\n\t\t\t// used for copying data from cpu\n\t\t\tconst currentUnpackRowLen = _gl.getParameter( _gl.UNPACK_ROW_LENGTH );\n\t\t\tconst currentUnpackImageHeight = _gl.getParameter( _gl.UNPACK_IMAGE_HEIGHT );\n\t\t\tconst currentUnpackSkipPixels = _gl.getParameter( _gl.UNPACK_SKIP_PIXELS );\n\t\t\tconst currentUnpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS );\n\t\t\tconst currentUnpackSkipImages = _gl.getParameter( _gl.UNPACK_SKIP_IMAGES );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, image.height );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, minX );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, minY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, minZ );\n\n\t\t\t// set up the src texture\n\t\t\tconst isSrc3D = srcTexture.isDataArrayTexture || srcTexture.isData3DTexture;\n\t\t\tconst isDst3D = dstTexture.isDataArrayTexture || dstTexture.isData3DTexture;\n\t\t\tif ( srcTexture.isDepthTexture ) {\n\n\t\t\t\tconst srcTextureProperties = properties.get( srcTexture );\n\t\t\t\tconst dstTextureProperties = properties.get( dstTexture );\n\t\t\t\tconst srcRenderTargetProperties = properties.get( srcTextureProperties.__renderTarget );\n\t\t\t\tconst dstRenderTargetProperties = properties.get( dstTextureProperties.__renderTarget );\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, srcRenderTargetProperties.__webglFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, dstRenderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < depth; i ++ ) {\n\n\t\t\t\t\t// if the source or destination are a 3d target then a layer needs to be bound\n\t\t\t\t\tif ( isSrc3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( srcTexture ).__webglTexture, srcLevel, minZ + i );\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( dstTexture ).__webglTexture, dstLevel, dstZ + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.DEPTH_BUFFER_BIT, _gl.NEAREST );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t} else if ( srcLevel !== 0 || srcTexture.isRenderTargetTexture || properties.has( srcTexture ) ) {\n\n\t\t\t\t// get the appropriate frame buffers\n\t\t\t\tconst srcTextureProperties = properties.get( srcTexture );\n\t\t\t\tconst dstTextureProperties = properties.get( dstTexture );\n\n\t\t\t\t// bind the frame buffer targets\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, _srcFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, _dstFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < depth; i ++ ) {\n\n\t\t\t\t\t// assign the correct layers and mip maps to the frame buffers\n\t\t\t\t\tif ( isSrc3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, srcTextureProperties.__webglTexture, srcLevel, minZ + i );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, srcTextureProperties.__webglTexture, srcLevel );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isDst3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, dstTextureProperties.__webglTexture, dstLevel, dstZ + i );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, dstTextureProperties.__webglTexture, dstLevel );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// copy the data using the fastest function that can achieve the copy\n\t\t\t\t\tif ( srcLevel !== 0 ) {\n\n\t\t\t\t\t\t_gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.COLOR_BUFFER_BIT, _gl.NEAREST );\n\n\t\t\t\t\t} else if ( isDst3D ) {\n\n\t\t\t\t\t\t_gl.copyTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ + i, minX, minY, width, height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.copyTexSubImage2D( glTarget, dstLevel, dstX, dstY, minX, minY, width, height );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// unbind read, draw buffers\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isDst3D ) {\n\n\t\t\t\t\t// copy data into the 3d texture\n\t\t\t\t\tif ( srcTexture.isDataTexture || srcTexture.isData3DTexture ) {\n\n\t\t\t\t\t\t_gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image.data );\n\n\t\t\t\t\t} else if ( dstTexture.isCompressedArrayTexture ) {\n\n\t\t\t\t\t\t_gl.compressedTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// copy data into the 2d texture\n\t\t\t\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t\t\t\t_gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image.data );\n\n\t\t\t\t\t} else if ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t\t\t_gl.compressedTexSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, image.width, image.height, glFormat, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// reset values\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, currentUnpackRowLen );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, currentUnpackImageHeight );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, currentUnpackSkipImages );\n\n\t\t\t// Generate mipmaps only when copying level 0\n\t\t\tif ( dstLevel === 0 && dstTexture.generateMipmaps ) {\n\n\t\t\t\t_gl.generateMipmap( glTarget );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\t/**\n\t\t * Initializes the given WebGLRenderTarget memory. Useful for initializing a render target so data\n\t\t * can be copied into it using {@link WebGLRenderer#copyTextureToTexture} before it has been\n\t\t * rendered to.\n\t\t *\n\t\t * @param {WebGLRenderTarget} target - The render target.\n\t\t */\n\t\tthis.initRenderTarget = function ( target ) {\n\n\t\t\tif ( properties.get( target ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( target );\n\n\t\t\t}\n\n\t\t};\n\n\t\t/**\n\t\t * Initializes the given texture. Useful for preloading a texture rather than waiting until first\n\t\t * render (which can cause noticeable lags due to decode and GPU upload overhead).\n\t\t *\n\t\t * @param {Texture} texture - The texture.\n\t\t */\n\t\tthis.initTexture = function ( texture ) {\n\n\t\t\tif ( texture.isCubeTexture ) {\n\n\t\t\t\ttextures.setTextureCube( texture, 0 );\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\ttextures.setTexture3D( texture, 0 );\n\n\t\t\t} else if ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) {\n\n\t\t\t\ttextures.setTexture2DArray( texture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\t/**\n\t\t * Can be used to reset the internal WebGL state. This method is mostly\n\t\t * relevant for applications which share a single WebGL context across\n\t\t * multiple WebGL libraries.\n\t\t */\n\t\tthis.resetState = function () {\n\n\t\t\t_currentActiveCubeFace = 0;\n\t\t\t_currentActiveMipmapLevel = 0;\n\t\t\t_currentRenderTarget = null;\n\n\t\t\tstate.reset();\n\t\t\tbindingStates.reset();\n\n\t\t};\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Defines the coordinate system of the renderer.\n\t *\n\t * In `WebGLRenderer`, the value is always `WebGLCoordinateSystem`.\n\t *\n\t * @type {WebGLCoordinateSystem|WebGPUCoordinateSystem}\n\t * @default WebGLCoordinateSystem\n\t * @readonly\n\t */\n\tget coordinateSystem() {\n\n\t\treturn WebGLCoordinateSystem;\n\n\t}\n\n\t/**\n\t * Defines the output color space of the renderer.\n\t *\n\t * @type {SRGBColorSpace|LinearSRGBColorSpace}\n\t * @default SRGBColorSpace\n\t */\n\tget outputColorSpace() {\n\n\t\treturn this._outputColorSpace;\n\n\t}\n\n\tset outputColorSpace( colorSpace ) {\n\n\t\tthis._outputColorSpace = colorSpace;\n\n\t\tconst gl = this.getContext();\n\t\tgl.drawingBufferColorSpace = ColorManagement._getDrawingBufferColorSpace( colorSpace );\n\t\tgl.unpackColorSpace = ColorManagement._getUnpackColorSpace();\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, ArrayCamera, BackSide, BoxGeometry, BufferAttribute, BufferGeometry, ByteType, CineonToneMapping, ClampToEdgeWrapping, Color, ColorManagement, ConstantAlphaFactor, ConstantColorFactor, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeUVReflectionMapping, CullFaceBack, CullFaceFront, CullFaceNone, CustomBlending, CustomToneMapping, Data3DTexture, DataArrayTexture, DataTexture, DepthFormat, DepthStencilFormat, DepthTexture, DoubleSide, DstAlphaFactor, DstColorFactor, EqualCompare, EqualDepth, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExternalTexture, FloatType, FrontSide, Frustum, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, HalfFloatType, IntType, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LinearFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NoBlending, NoColorSpace, NoToneMapping, NormalBlending, NotEqualCompare, NotEqualDepth, ObjectSpaceNormalMap, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, PerspectiveCamera, Plane, PlaneGeometry, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReverseSubtractEquation, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, ShaderChunk, ShaderLib, ShaderMaterial, ShortType, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, SubtractEquation, SubtractiveBlending, TangentSpaceNormalMap, Texture, Uint16BufferAttribute, Uint32BufferAttribute, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt101111Type, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLRenderTarget, WebGLRenderer, WebGLUtils, WebXRController, ZeroFactor, createCanvasElement, error, log, warn, warnOnce };\n"], + "mappings": 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+ "names": ["tmp", "ColorManagement", "sign", "data", "tmp2", "indices", "intersects", "intersect", "width", "height", "depth", "fov", "aspect", "index", "l", "vertex", "detail", "radius", "azimuth", "px", "py", "bs", "contour", "p", "q", "error", "json", "document", "shapes", "tmpPath", "tmpShape", "_m1$1", "renderer", "scene", "alpha", "attributes", "precision", "fov", "aspect", "x", "fill", "_v0", "self", "_id", "_frustum", "drawBuffers", "error", "scissor", "viewport", "_canvas", "texture", "i", "cameraL", "cameraR", "cameras", "cameraXR", "_m1", "info", "chunkOffset", "_projScreenMatrix", "_vector3", "depth", "stencil", "drawCount", "materials", "currentRenderList", "parameters", "reversedDepthBuffer", "framebuffer"] +} diff --git a/node_modules/.vite/deps/package.json b/node_modules/.vite/deps/package.json new file mode 100644 index 0000000..3dbc1ca --- /dev/null +++ b/node_modules/.vite/deps/package.json @@ -0,0 +1,3 @@ +{ + "type": "module" +} diff --git a/node_modules/.vite/deps/three.js b/node_modules/.vite/deps/three.js new file mode 100644 index 0000000..5021420 --- /dev/null +++ b/node_modules/.vite/deps/three.js @@ -0,0 +1,860 @@ +import { + ACESFilmicToneMapping, + AddEquation, + AddOperation, + AdditiveAnimationBlendMode, + AdditiveBlending, + AgXToneMapping, + AlphaFormat, + AlwaysCompare, + AlwaysDepth, + AlwaysStencilFunc, + AmbientLight, + AnimationAction, + AnimationClip, + AnimationLoader, + AnimationMixer, + AnimationObjectGroup, + AnimationUtils, + ArcCurve, + ArrayCamera, + ArrowHelper, + AttachedBindMode, + Audio, + AudioAnalyser, + AudioContext, + AudioListener, + AudioLoader, + AxesHelper, + BackSide, + BasicDepthPacking, + BasicShadowMap, + BatchedMesh, + Bone, + BooleanKeyframeTrack, + Box2, + Box3, + Box3Helper, + BoxGeometry, + BoxHelper, + BufferAttribute, + BufferGeometry, + BufferGeometryLoader, + ByteType, + Cache, + Camera, + CameraHelper, + CanvasTexture, + CapsuleGeometry, + CatmullRomCurve3, + CineonToneMapping, + CircleGeometry, + ClampToEdgeWrapping, + Clock, + Color, + ColorKeyframeTrack, + ColorManagement, + CompressedArrayTexture, + CompressedCubeTexture, + CompressedTexture, + CompressedTextureLoader, + ConeGeometry, + ConstantAlphaFactor, + ConstantColorFactor, + Controls, + CubeCamera, + CubeReflectionMapping, + CubeRefractionMapping, + CubeTexture, + CubeTextureLoader, + CubeUVReflectionMapping, + CubicBezierCurve, + CubicBezierCurve3, + CubicInterpolant, + CullFaceBack, + CullFaceFront, + CullFaceFrontBack, + CullFaceNone, + Curve, + CurvePath, + CustomBlending, + CustomToneMapping, + CylinderGeometry, + Cylindrical, + Data3DTexture, + DataArrayTexture, + DataTexture, + DataTextureLoader, + DataUtils, + DecrementStencilOp, + DecrementWrapStencilOp, + DefaultLoadingManager, + DepthFormat, + DepthStencilFormat, + DepthTexture, + DetachedBindMode, + DirectionalLight, + DirectionalLightHelper, + DiscreteInterpolant, + DodecahedronGeometry, + DoubleSide, + DstAlphaFactor, + DstColorFactor, + DynamicCopyUsage, + DynamicDrawUsage, + DynamicReadUsage, + EdgesGeometry, + EllipseCurve, + EqualCompare, + EqualDepth, + EqualStencilFunc, + EquirectangularReflectionMapping, + EquirectangularRefractionMapping, + Euler, + EventDispatcher, + ExternalTexture, + ExtrudeGeometry, + FileLoader, + Float16BufferAttribute, + Float32BufferAttribute, + FloatType, + Fog, + FogExp2, + FramebufferTexture, + FrontSide, + Frustum, + FrustumArray, + GLBufferAttribute, + GLSL1, + GLSL3, + GreaterCompare, + GreaterDepth, + GreaterEqualCompare, + GreaterEqualDepth, + GreaterEqualStencilFunc, + GreaterStencilFunc, + GridHelper, + Group, + HalfFloatType, + HemisphereLight, + HemisphereLightHelper, + IcosahedronGeometry, + ImageBitmapLoader, + ImageLoader, + ImageUtils, + IncrementStencilOp, + IncrementWrapStencilOp, + InstancedBufferAttribute, + InstancedBufferGeometry, + InstancedInterleavedBuffer, + InstancedMesh, + Int16BufferAttribute, + Int32BufferAttribute, + Int8BufferAttribute, + IntType, + InterleavedBuffer, + InterleavedBufferAttribute, + Interpolant, + InterpolateDiscrete, + InterpolateLinear, + InterpolateSmooth, + InterpolationSamplingMode, + InterpolationSamplingType, + InvertStencilOp, + KeepStencilOp, + KeyframeTrack, + LOD, + LatheGeometry, + Layers, + LessCompare, + LessDepth, + LessEqualCompare, + LessEqualDepth, + LessEqualStencilFunc, + LessStencilFunc, + Light, + LightProbe, + Line, + Line3, + LineBasicMaterial, + LineCurve, + LineCurve3, + LineDashedMaterial, + LineLoop, + LineSegments, + LinearFilter, + LinearInterpolant, + LinearMipMapLinearFilter, + LinearMipMapNearestFilter, + LinearMipmapLinearFilter, + LinearMipmapNearestFilter, + LinearSRGBColorSpace, + LinearToneMapping, + LinearTransfer, + Loader, + LoaderUtils, + LoadingManager, + LoopOnce, + LoopPingPong, + LoopRepeat, + MOUSE, + Material, + MaterialLoader, + MathUtils, + Matrix2, + Matrix3, + Matrix4, + MaxEquation, + Mesh, + MeshBasicMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshLambertMaterial, + MeshMatcapMaterial, + MeshNormalMaterial, + MeshPhongMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MeshToonMaterial, + MinEquation, + MirroredRepeatWrapping, + MixOperation, + MultiplyBlending, + MultiplyOperation, + NearestFilter, + NearestMipMapLinearFilter, + NearestMipMapNearestFilter, + NearestMipmapLinearFilter, + NearestMipmapNearestFilter, + NeutralToneMapping, + NeverCompare, + NeverDepth, + NeverStencilFunc, + NoBlending, + NoColorSpace, + NoToneMapping, + NormalAnimationBlendMode, + NormalBlending, + NotEqualCompare, + NotEqualDepth, + NotEqualStencilFunc, + NumberKeyframeTrack, + Object3D, + ObjectLoader, + ObjectSpaceNormalMap, + OctahedronGeometry, + OneFactor, + OneMinusConstantAlphaFactor, + OneMinusConstantColorFactor, + OneMinusDstAlphaFactor, + OneMinusDstColorFactor, + OneMinusSrcAlphaFactor, + OneMinusSrcColorFactor, + OrthographicCamera, + PCFShadowMap, + PCFSoftShadowMap, + PMREMGenerator, + Path, + PerspectiveCamera, + Plane, + PlaneGeometry, + PlaneHelper, + PointLight, + PointLightHelper, + Points, + PointsMaterial, + PolarGridHelper, + PolyhedronGeometry, + PositionalAudio, + PropertyBinding, + PropertyMixer, + QuadraticBezierCurve, + QuadraticBezierCurve3, + Quaternion, + QuaternionKeyframeTrack, + QuaternionLinearInterpolant, + RED_GREEN_RGTC2_Format, + RED_RGTC1_Format, + REVISION, + RGBADepthPacking, + RGBAFormat, + RGBAIntegerFormat, + RGBA_ASTC_10x10_Format, + RGBA_ASTC_10x5_Format, + RGBA_ASTC_10x6_Format, + RGBA_ASTC_10x8_Format, + RGBA_ASTC_12x10_Format, + RGBA_ASTC_12x12_Format, + RGBA_ASTC_4x4_Format, + RGBA_ASTC_5x4_Format, + RGBA_ASTC_5x5_Format, + RGBA_ASTC_6x5_Format, + RGBA_ASTC_6x6_Format, + RGBA_ASTC_8x5_Format, + RGBA_ASTC_8x6_Format, + RGBA_ASTC_8x8_Format, + RGBA_BPTC_Format, + RGBA_ETC2_EAC_Format, + RGBA_PVRTC_2BPPV1_Format, + RGBA_PVRTC_4BPPV1_Format, + RGBA_S3TC_DXT1_Format, + RGBA_S3TC_DXT3_Format, + RGBA_S3TC_DXT5_Format, + RGBDepthPacking, + RGBFormat, + RGBIntegerFormat, + RGB_BPTC_SIGNED_Format, + RGB_BPTC_UNSIGNED_Format, + RGB_ETC1_Format, + RGB_ETC2_Format, + RGB_PVRTC_2BPPV1_Format, + RGB_PVRTC_4BPPV1_Format, + RGB_S3TC_DXT1_Format, + RGDepthPacking, + RGFormat, + RGIntegerFormat, + RawShaderMaterial, + Ray, + Raycaster, + RectAreaLight, + RedFormat, + RedIntegerFormat, + ReinhardToneMapping, + RenderTarget, + RenderTarget3D, + RepeatWrapping, + ReplaceStencilOp, + ReverseSubtractEquation, + RingGeometry, + SIGNED_RED_GREEN_RGTC2_Format, + SIGNED_RED_RGTC1_Format, + SRGBColorSpace, + SRGBTransfer, + Scene, + ShaderChunk, + ShaderLib, + ShaderMaterial, + ShadowMaterial, + Shape, + ShapeGeometry, + ShapePath, + ShapeUtils, + ShortType, + Skeleton, + SkeletonHelper, + SkinnedMesh, + Source, + Sphere, + SphereGeometry, + Spherical, + SphericalHarmonics3, + SplineCurve, + SpotLight, + SpotLightHelper, + Sprite, + SpriteMaterial, + SrcAlphaFactor, + SrcAlphaSaturateFactor, + SrcColorFactor, + StaticCopyUsage, + StaticDrawUsage, + StaticReadUsage, + StereoCamera, + StreamCopyUsage, + StreamDrawUsage, + StreamReadUsage, + StringKeyframeTrack, + SubtractEquation, + SubtractiveBlending, + TOUCH, + TangentSpaceNormalMap, + TetrahedronGeometry, + Texture, + TextureLoader, + TextureUtils, + Timer, + TimestampQuery, + TorusGeometry, + TorusKnotGeometry, + Triangle, + TriangleFanDrawMode, + TriangleStripDrawMode, + TrianglesDrawMode, + TubeGeometry, + UVMapping, + Uint16BufferAttribute, + Uint32BufferAttribute, + Uint8BufferAttribute, + Uint8ClampedBufferAttribute, + Uniform, + UniformsGroup, + UniformsLib, + UniformsUtils, + UnsignedByteType, + UnsignedInt101111Type, + UnsignedInt248Type, + UnsignedInt5999Type, + UnsignedIntType, + UnsignedShort4444Type, + UnsignedShort5551Type, + UnsignedShortType, + VSMShadowMap, + Vector2, + Vector3, + Vector4, + VectorKeyframeTrack, + VideoFrameTexture, + VideoTexture, + WebGL3DRenderTarget, + WebGLArrayRenderTarget, + WebGLCoordinateSystem, + WebGLCubeRenderTarget, + WebGLRenderTarget, + WebGLRenderer, + WebGLUtils, + WebGPUCoordinateSystem, + WebXRController, + WireframeGeometry, + WrapAroundEnding, + ZeroCurvatureEnding, + ZeroFactor, + ZeroSlopeEnding, + ZeroStencilOp, + createCanvasElement, + error, + getConsoleFunction, + log, + setConsoleFunction, + warn, + warnOnce +} from "./chunk-4JECOO4M.js"; +export { + ACESFilmicToneMapping, + AddEquation, + AddOperation, + AdditiveAnimationBlendMode, + AdditiveBlending, + AgXToneMapping, + AlphaFormat, + AlwaysCompare, + AlwaysDepth, + AlwaysStencilFunc, + AmbientLight, + AnimationAction, + AnimationClip, + AnimationLoader, + AnimationMixer, + AnimationObjectGroup, + AnimationUtils, + ArcCurve, + ArrayCamera, + ArrowHelper, + AttachedBindMode, + Audio, + AudioAnalyser, + AudioContext, + AudioListener, + AudioLoader, + AxesHelper, + BackSide, + BasicDepthPacking, + BasicShadowMap, + BatchedMesh, + Bone, + BooleanKeyframeTrack, + Box2, + Box3, + Box3Helper, + BoxGeometry, + BoxHelper, + BufferAttribute, + BufferGeometry, + BufferGeometryLoader, + ByteType, + Cache, + Camera, + CameraHelper, + CanvasTexture, + CapsuleGeometry, + CatmullRomCurve3, + CineonToneMapping, + CircleGeometry, + ClampToEdgeWrapping, + Clock, + Color, + ColorKeyframeTrack, + ColorManagement, + CompressedArrayTexture, + CompressedCubeTexture, + CompressedTexture, + CompressedTextureLoader, + ConeGeometry, + ConstantAlphaFactor, + ConstantColorFactor, + Controls, + CubeCamera, + CubeReflectionMapping, + CubeRefractionMapping, + CubeTexture, + CubeTextureLoader, + CubeUVReflectionMapping, + CubicBezierCurve, + CubicBezierCurve3, + CubicInterpolant, + CullFaceBack, + CullFaceFront, + CullFaceFrontBack, + CullFaceNone, + Curve, + CurvePath, + CustomBlending, + CustomToneMapping, + CylinderGeometry, + Cylindrical, + Data3DTexture, + DataArrayTexture, + DataTexture, + DataTextureLoader, + DataUtils, + DecrementStencilOp, + DecrementWrapStencilOp, + DefaultLoadingManager, + DepthFormat, + DepthStencilFormat, + DepthTexture, + DetachedBindMode, + DirectionalLight, + DirectionalLightHelper, + DiscreteInterpolant, + DodecahedronGeometry, + DoubleSide, + DstAlphaFactor, + DstColorFactor, + DynamicCopyUsage, + DynamicDrawUsage, + DynamicReadUsage, + EdgesGeometry, + EllipseCurve, + EqualCompare, + EqualDepth, + EqualStencilFunc, + EquirectangularReflectionMapping, + EquirectangularRefractionMapping, + Euler, + EventDispatcher, + ExternalTexture, + ExtrudeGeometry, + FileLoader, + Float16BufferAttribute, + Float32BufferAttribute, + FloatType, + Fog, + FogExp2, + FramebufferTexture, + FrontSide, + Frustum, + FrustumArray, + GLBufferAttribute, + GLSL1, + GLSL3, + GreaterCompare, + GreaterDepth, + GreaterEqualCompare, + GreaterEqualDepth, + GreaterEqualStencilFunc, + GreaterStencilFunc, + GridHelper, + Group, + HalfFloatType, + HemisphereLight, + HemisphereLightHelper, + IcosahedronGeometry, + ImageBitmapLoader, + ImageLoader, + ImageUtils, + IncrementStencilOp, + IncrementWrapStencilOp, + InstancedBufferAttribute, + InstancedBufferGeometry, + InstancedInterleavedBuffer, + InstancedMesh, + Int16BufferAttribute, + Int32BufferAttribute, + Int8BufferAttribute, + IntType, + InterleavedBuffer, + InterleavedBufferAttribute, + Interpolant, + InterpolateDiscrete, + InterpolateLinear, + InterpolateSmooth, + InterpolationSamplingMode, + InterpolationSamplingType, + InvertStencilOp, + KeepStencilOp, + KeyframeTrack, + LOD, + LatheGeometry, + Layers, + LessCompare, + LessDepth, + LessEqualCompare, + LessEqualDepth, + LessEqualStencilFunc, + LessStencilFunc, + Light, + LightProbe, + Line, + Line3, + LineBasicMaterial, + LineCurve, + LineCurve3, + LineDashedMaterial, + LineLoop, + LineSegments, + LinearFilter, + LinearInterpolant, + LinearMipMapLinearFilter, + LinearMipMapNearestFilter, + LinearMipmapLinearFilter, + LinearMipmapNearestFilter, + LinearSRGBColorSpace, + LinearToneMapping, + LinearTransfer, + Loader, + LoaderUtils, + LoadingManager, + LoopOnce, + LoopPingPong, + LoopRepeat, + MOUSE, + Material, + MaterialLoader, + MathUtils, + Matrix2, + Matrix3, + Matrix4, + MaxEquation, + Mesh, + MeshBasicMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshLambertMaterial, + MeshMatcapMaterial, + MeshNormalMaterial, + MeshPhongMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MeshToonMaterial, + MinEquation, + MirroredRepeatWrapping, + MixOperation, + MultiplyBlending, + MultiplyOperation, + NearestFilter, + NearestMipMapLinearFilter, + NearestMipMapNearestFilter, + NearestMipmapLinearFilter, + NearestMipmapNearestFilter, + NeutralToneMapping, + NeverCompare, + NeverDepth, + NeverStencilFunc, + NoBlending, + NoColorSpace, + NoToneMapping, + NormalAnimationBlendMode, + NormalBlending, + NotEqualCompare, + NotEqualDepth, + NotEqualStencilFunc, + NumberKeyframeTrack, + Object3D, + ObjectLoader, + ObjectSpaceNormalMap, + OctahedronGeometry, + OneFactor, + OneMinusConstantAlphaFactor, + OneMinusConstantColorFactor, + OneMinusDstAlphaFactor, + OneMinusDstColorFactor, + OneMinusSrcAlphaFactor, + OneMinusSrcColorFactor, + OrthographicCamera, + PCFShadowMap, + PCFSoftShadowMap, + PMREMGenerator, + Path, + PerspectiveCamera, + Plane, + PlaneGeometry, + PlaneHelper, + PointLight, + PointLightHelper, + Points, + PointsMaterial, + PolarGridHelper, + PolyhedronGeometry, + PositionalAudio, + PropertyBinding, + PropertyMixer, + QuadraticBezierCurve, + QuadraticBezierCurve3, + Quaternion, + QuaternionKeyframeTrack, + QuaternionLinearInterpolant, + RED_GREEN_RGTC2_Format, + RED_RGTC1_Format, + REVISION, + RGBADepthPacking, + RGBAFormat, + RGBAIntegerFormat, + RGBA_ASTC_10x10_Format, + RGBA_ASTC_10x5_Format, + RGBA_ASTC_10x6_Format, + RGBA_ASTC_10x8_Format, + RGBA_ASTC_12x10_Format, + RGBA_ASTC_12x12_Format, + RGBA_ASTC_4x4_Format, + RGBA_ASTC_5x4_Format, + RGBA_ASTC_5x5_Format, + RGBA_ASTC_6x5_Format, + RGBA_ASTC_6x6_Format, + RGBA_ASTC_8x5_Format, + RGBA_ASTC_8x6_Format, + RGBA_ASTC_8x8_Format, + RGBA_BPTC_Format, + RGBA_ETC2_EAC_Format, + RGBA_PVRTC_2BPPV1_Format, + RGBA_PVRTC_4BPPV1_Format, + RGBA_S3TC_DXT1_Format, + RGBA_S3TC_DXT3_Format, + RGBA_S3TC_DXT5_Format, + RGBDepthPacking, + RGBFormat, + RGBIntegerFormat, + RGB_BPTC_SIGNED_Format, + RGB_BPTC_UNSIGNED_Format, + RGB_ETC1_Format, + RGB_ETC2_Format, + RGB_PVRTC_2BPPV1_Format, + RGB_PVRTC_4BPPV1_Format, + RGB_S3TC_DXT1_Format, + RGDepthPacking, + RGFormat, + RGIntegerFormat, + RawShaderMaterial, + Ray, + Raycaster, + RectAreaLight, + RedFormat, + RedIntegerFormat, + ReinhardToneMapping, + RenderTarget, + RenderTarget3D, + RepeatWrapping, + ReplaceStencilOp, + ReverseSubtractEquation, + RingGeometry, + SIGNED_RED_GREEN_RGTC2_Format, + SIGNED_RED_RGTC1_Format, + SRGBColorSpace, + SRGBTransfer, + Scene, + ShaderChunk, + ShaderLib, + ShaderMaterial, + ShadowMaterial, + Shape, + ShapeGeometry, + ShapePath, + ShapeUtils, + ShortType, + Skeleton, + SkeletonHelper, + SkinnedMesh, + Source, + Sphere, + SphereGeometry, + Spherical, + SphericalHarmonics3, + SplineCurve, + SpotLight, + SpotLightHelper, + Sprite, + SpriteMaterial, + SrcAlphaFactor, + SrcAlphaSaturateFactor, + SrcColorFactor, + StaticCopyUsage, + StaticDrawUsage, + StaticReadUsage, + StereoCamera, + StreamCopyUsage, + StreamDrawUsage, + StreamReadUsage, + StringKeyframeTrack, + SubtractEquation, + SubtractiveBlending, + TOUCH, + TangentSpaceNormalMap, + TetrahedronGeometry, + Texture, + TextureLoader, + TextureUtils, + Timer, + TimestampQuery, + TorusGeometry, + TorusKnotGeometry, + Triangle, + TriangleFanDrawMode, + TriangleStripDrawMode, + TrianglesDrawMode, + TubeGeometry, + UVMapping, + Uint16BufferAttribute, + Uint32BufferAttribute, + Uint8BufferAttribute, + Uint8ClampedBufferAttribute, + Uniform, + UniformsGroup, + UniformsLib, + UniformsUtils, + UnsignedByteType, + UnsignedInt101111Type, + UnsignedInt248Type, + UnsignedInt5999Type, + UnsignedIntType, + UnsignedShort4444Type, + UnsignedShort5551Type, + UnsignedShortType, + VSMShadowMap, + Vector2, + Vector3, + Vector4, + VectorKeyframeTrack, + VideoFrameTexture, + VideoTexture, + WebGL3DRenderTarget, + WebGLArrayRenderTarget, + WebGLCoordinateSystem, + WebGLCubeRenderTarget, + WebGLRenderTarget, + WebGLRenderer, + WebGLUtils, + WebGPUCoordinateSystem, + WebXRController, + WireframeGeometry, + WrapAroundEnding, + ZeroCurvatureEnding, + ZeroFactor, + ZeroSlopeEnding, + ZeroStencilOp, + createCanvasElement, + error, + getConsoleFunction, + log, + setConsoleFunction, + warn, + warnOnce +}; diff --git a/node_modules/.vite/deps/three.js.map b/node_modules/.vite/deps/three.js.map new file mode 100644 index 0000000..9865211 --- /dev/null +++ b/node_modules/.vite/deps/three.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": [], + "sourcesContent": [], + "mappings": "", + "names": [] +} diff --git a/node_modules/.vite/deps/three_examples_jsm_controls_OrbitControls__js.js b/node_modules/.vite/deps/three_examples_jsm_controls_OrbitControls__js.js new file mode 100644 index 0000000..60cc7e1 --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_controls_OrbitControls__js.js @@ -0,0 +1,856 @@ +import { + Controls, + MOUSE, + MathUtils, + Plane, + Quaternion, + Ray, + Spherical, + TOUCH, + Vector2, + Vector3 +} from "./chunk-4JECOO4M.js"; + +// node_modules/three/examples/jsm/controls/OrbitControls.js +var _changeEvent = { type: "change" }; +var _startEvent = { type: "start" }; +var _endEvent = { type: "end" }; +var _ray = new Ray(); +var _plane = new Plane(); +var _TILT_LIMIT = Math.cos(70 * MathUtils.DEG2RAD); +var _v = new Vector3(); +var _twoPI = 2 * Math.PI; +var _STATE = { + NONE: -1, + ROTATE: 0, + DOLLY: 1, + PAN: 2, + TOUCH_ROTATE: 3, + TOUCH_PAN: 4, + TOUCH_DOLLY_PAN: 5, + TOUCH_DOLLY_ROTATE: 6 +}; +var _EPS = 1e-6; +var OrbitControls = class extends Controls { + /** + * Constructs a new controls instance. + * + * @param {Object3D} object - The object that is managed by the controls. + * @param {?HTMLElement} domElement - The HTML element used for event listeners. + */ + constructor(object, domElement = null) { + super(object, domElement); + this.state = _STATE.NONE; + this.target = new Vector3(); + this.cursor = new Vector3(); + this.minDistance = 0; + this.maxDistance = Infinity; + this.minZoom = 0; + this.maxZoom = Infinity; + this.minTargetRadius = 0; + this.maxTargetRadius = Infinity; + this.minPolarAngle = 0; + this.maxPolarAngle = Math.PI; + this.minAzimuthAngle = -Infinity; + this.maxAzimuthAngle = Infinity; + this.enableDamping = false; + this.dampingFactor = 0.05; + this.enableZoom = true; + this.zoomSpeed = 1; + this.enableRotate = true; + this.rotateSpeed = 1; + this.keyRotateSpeed = 1; + this.enablePan = true; + this.panSpeed = 1; + this.screenSpacePanning = true; + this.keyPanSpeed = 7; + this.zoomToCursor = false; + this.autoRotate = false; + this.autoRotateSpeed = 2; + this.keys = { LEFT: "ArrowLeft", UP: "ArrowUp", RIGHT: "ArrowRight", BOTTOM: "ArrowDown" }; + this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN }; + this.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN }; + this.target0 = this.target.clone(); + this.position0 = this.object.position.clone(); + this.zoom0 = this.object.zoom; + this._domElementKeyEvents = null; + this._lastPosition = new Vector3(); + this._lastQuaternion = new Quaternion(); + this._lastTargetPosition = new Vector3(); + this._quat = new Quaternion().setFromUnitVectors(object.up, new Vector3(0, 1, 0)); + this._quatInverse = this._quat.clone().invert(); + this._spherical = new Spherical(); + this._sphericalDelta = new Spherical(); + this._scale = 1; + this._panOffset = new Vector3(); + this._rotateStart = new Vector2(); + this._rotateEnd = new Vector2(); + this._rotateDelta = new Vector2(); + this._panStart = new Vector2(); + this._panEnd = new Vector2(); + this._panDelta = new Vector2(); + this._dollyStart = new Vector2(); + this._dollyEnd = new Vector2(); + this._dollyDelta = new Vector2(); + this._dollyDirection = new Vector3(); + this._mouse = new Vector2(); + this._performCursorZoom = false; + this._pointers = []; + this._pointerPositions = {}; + this._controlActive = false; + this._onPointerMove = onPointerMove.bind(this); + this._onPointerDown = onPointerDown.bind(this); + this._onPointerUp = onPointerUp.bind(this); + this._onContextMenu = onContextMenu.bind(this); + this._onMouseWheel = onMouseWheel.bind(this); + this._onKeyDown = onKeyDown.bind(this); + this._onTouchStart = onTouchStart.bind(this); + this._onTouchMove = onTouchMove.bind(this); + this._onMouseDown = onMouseDown.bind(this); + this._onMouseMove = onMouseMove.bind(this); + this._interceptControlDown = interceptControlDown.bind(this); + this._interceptControlUp = interceptControlUp.bind(this); + if (this.domElement !== null) { + this.connect(this.domElement); + } + this.update(); + } + connect(element) { + super.connect(element); + this.domElement.addEventListener("pointerdown", this._onPointerDown); + this.domElement.addEventListener("pointercancel", this._onPointerUp); + this.domElement.addEventListener("contextmenu", this._onContextMenu); + this.domElement.addEventListener("wheel", this._onMouseWheel, { passive: false }); + const document = this.domElement.getRootNode(); + document.addEventListener("keydown", this._interceptControlDown, { passive: true, capture: true }); + this.domElement.style.touchAction = "none"; + } + disconnect() { + this.domElement.removeEventListener("pointerdown", this._onPointerDown); + this.domElement.removeEventListener("pointermove", this._onPointerMove); + this.domElement.removeEventListener("pointerup", this._onPointerUp); + this.domElement.removeEventListener("pointercancel", this._onPointerUp); + this.domElement.removeEventListener("wheel", this._onMouseWheel); + this.domElement.removeEventListener("contextmenu", this._onContextMenu); + this.stopListenToKeyEvents(); + const document = this.domElement.getRootNode(); + document.removeEventListener("keydown", this._interceptControlDown, { capture: true }); + this.domElement.style.touchAction = "auto"; + } + dispose() { + this.disconnect(); + } + /** + * Get the current vertical rotation, in radians. + * + * @return {number} The current vertical rotation, in radians. + */ + getPolarAngle() { + return this._spherical.phi; + } + /** + * Get the current horizontal rotation, in radians. + * + * @return {number} The current horizontal rotation, in radians. + */ + getAzimuthalAngle() { + return this._spherical.theta; + } + /** + * Returns the distance from the camera to the target. + * + * @return {number} The distance from the camera to the target. + */ + getDistance() { + return this.object.position.distanceTo(this.target); + } + /** + * Adds key event listeners to the given DOM element. + * `window` is a recommended argument for using this method. + * + * @param {HTMLElement} domElement - The DOM element + */ + listenToKeyEvents(domElement) { + domElement.addEventListener("keydown", this._onKeyDown); + this._domElementKeyEvents = domElement; + } + /** + * Removes the key event listener previously defined with `listenToKeyEvents()`. + */ + stopListenToKeyEvents() { + if (this._domElementKeyEvents !== null) { + this._domElementKeyEvents.removeEventListener("keydown", this._onKeyDown); + this._domElementKeyEvents = null; + } + } + /** + * Save the current state of the controls. This can later be recovered with `reset()`. + */ + saveState() { + this.target0.copy(this.target); + this.position0.copy(this.object.position); + this.zoom0 = this.object.zoom; + } + /** + * Reset the controls to their state from either the last time the `saveState()` + * was called, or the initial state. + */ + reset() { + this.target.copy(this.target0); + this.object.position.copy(this.position0); + this.object.zoom = this.zoom0; + this.object.updateProjectionMatrix(); + this.dispatchEvent(_changeEvent); + this.update(); + this.state = _STATE.NONE; + } + update(deltaTime = null) { + const position = this.object.position; + _v.copy(position).sub(this.target); + _v.applyQuaternion(this._quat); + this._spherical.setFromVector3(_v); + if (this.autoRotate && this.state === _STATE.NONE) { + this._rotateLeft(this._getAutoRotationAngle(deltaTime)); + } + if (this.enableDamping) { + this._spherical.theta += this._sphericalDelta.theta * this.dampingFactor; + this._spherical.phi += this._sphericalDelta.phi * this.dampingFactor; + } else { + this._spherical.theta += this._sphericalDelta.theta; + this._spherical.phi += this._sphericalDelta.phi; + } + let min = this.minAzimuthAngle; + let max = this.maxAzimuthAngle; + if (isFinite(min) && isFinite(max)) { + if (min < -Math.PI) min += _twoPI; + else if (min > Math.PI) min -= _twoPI; + if (max < -Math.PI) max += _twoPI; + else if (max > Math.PI) max -= _twoPI; + if (min <= max) { + this._spherical.theta = Math.max(min, Math.min(max, this._spherical.theta)); + } else { + this._spherical.theta = this._spherical.theta > (min + max) / 2 ? Math.max(min, this._spherical.theta) : Math.min(max, this._spherical.theta); + } + } + this._spherical.phi = Math.max(this.minPolarAngle, Math.min(this.maxPolarAngle, this._spherical.phi)); + this._spherical.makeSafe(); + if (this.enableDamping === true) { + this.target.addScaledVector(this._panOffset, this.dampingFactor); + } else { + this.target.add(this._panOffset); + } + this.target.sub(this.cursor); + this.target.clampLength(this.minTargetRadius, this.maxTargetRadius); + this.target.add(this.cursor); + let zoomChanged = false; + if (this.zoomToCursor && this._performCursorZoom || this.object.isOrthographicCamera) { + this._spherical.radius = this._clampDistance(this._spherical.radius); + } else { + const prevRadius = this._spherical.radius; + this._spherical.radius = this._clampDistance(this._spherical.radius * this._scale); + zoomChanged = prevRadius != this._spherical.radius; + } + _v.setFromSpherical(this._spherical); + _v.applyQuaternion(this._quatInverse); + position.copy(this.target).add(_v); + this.object.lookAt(this.target); + if (this.enableDamping === true) { + this._sphericalDelta.theta *= 1 - this.dampingFactor; + this._sphericalDelta.phi *= 1 - this.dampingFactor; + this._panOffset.multiplyScalar(1 - this.dampingFactor); + } else { + this._sphericalDelta.set(0, 0, 0); + this._panOffset.set(0, 0, 0); + } + if (this.zoomToCursor && this._performCursorZoom) { + let newRadius = null; + if (this.object.isPerspectiveCamera) { + const prevRadius = _v.length(); + newRadius = this._clampDistance(prevRadius * this._scale); + const radiusDelta = prevRadius - newRadius; + this.object.position.addScaledVector(this._dollyDirection, radiusDelta); + this.object.updateMatrixWorld(); + zoomChanged = !!radiusDelta; + } else if (this.object.isOrthographicCamera) { + const mouseBefore = new Vector3(this._mouse.x, this._mouse.y, 0); + mouseBefore.unproject(this.object); + const prevZoom = this.object.zoom; + this.object.zoom = Math.max(this.minZoom, Math.min(this.maxZoom, this.object.zoom / this._scale)); + this.object.updateProjectionMatrix(); + zoomChanged = prevZoom !== this.object.zoom; + const mouseAfter = new Vector3(this._mouse.x, this._mouse.y, 0); + mouseAfter.unproject(this.object); + this.object.position.sub(mouseAfter).add(mouseBefore); + this.object.updateMatrixWorld(); + newRadius = _v.length(); + } else { + console.warn("WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled."); + this.zoomToCursor = false; + } + if (newRadius !== null) { + if (this.screenSpacePanning) { + this.target.set(0, 0, -1).transformDirection(this.object.matrix).multiplyScalar(newRadius).add(this.object.position); + } else { + _ray.origin.copy(this.object.position); + _ray.direction.set(0, 0, -1).transformDirection(this.object.matrix); + if (Math.abs(this.object.up.dot(_ray.direction)) < _TILT_LIMIT) { + this.object.lookAt(this.target); + } else { + _plane.setFromNormalAndCoplanarPoint(this.object.up, this.target); + _ray.intersectPlane(_plane, this.target); + } + } + } + } else if (this.object.isOrthographicCamera) { + const prevZoom = this.object.zoom; + this.object.zoom = Math.max(this.minZoom, Math.min(this.maxZoom, this.object.zoom / this._scale)); + if (prevZoom !== this.object.zoom) { + this.object.updateProjectionMatrix(); + zoomChanged = true; + } + } + this._scale = 1; + this._performCursorZoom = false; + if (zoomChanged || this._lastPosition.distanceToSquared(this.object.position) > _EPS || 8 * (1 - this._lastQuaternion.dot(this.object.quaternion)) > _EPS || this._lastTargetPosition.distanceToSquared(this.target) > _EPS) { + this.dispatchEvent(_changeEvent); + this._lastPosition.copy(this.object.position); + this._lastQuaternion.copy(this.object.quaternion); + this._lastTargetPosition.copy(this.target); + return true; + } + return false; + } + _getAutoRotationAngle(deltaTime) { + if (deltaTime !== null) { + return _twoPI / 60 * this.autoRotateSpeed * deltaTime; + } else { + return _twoPI / 60 / 60 * this.autoRotateSpeed; + } + } + _getZoomScale(delta) { + const normalizedDelta = Math.abs(delta * 0.01); + return Math.pow(0.95, this.zoomSpeed * normalizedDelta); + } + _rotateLeft(angle) { + this._sphericalDelta.theta -= angle; + } + _rotateUp(angle) { + this._sphericalDelta.phi -= angle; + } + _panLeft(distance, objectMatrix) { + _v.setFromMatrixColumn(objectMatrix, 0); + _v.multiplyScalar(-distance); + this._panOffset.add(_v); + } + _panUp(distance, objectMatrix) { + if (this.screenSpacePanning === true) { + _v.setFromMatrixColumn(objectMatrix, 1); + } else { + _v.setFromMatrixColumn(objectMatrix, 0); + _v.crossVectors(this.object.up, _v); + } + _v.multiplyScalar(distance); + this._panOffset.add(_v); + } + // deltaX and deltaY are in pixels; right and down are positive + _pan(deltaX, deltaY) { + const element = this.domElement; + if (this.object.isPerspectiveCamera) { + const position = this.object.position; + _v.copy(position).sub(this.target); + let targetDistance = _v.length(); + targetDistance *= Math.tan(this.object.fov / 2 * Math.PI / 180); + this._panLeft(2 * deltaX * targetDistance / element.clientHeight, this.object.matrix); + this._panUp(2 * deltaY * targetDistance / element.clientHeight, this.object.matrix); + } else if (this.object.isOrthographicCamera) { + this._panLeft(deltaX * (this.object.right - this.object.left) / this.object.zoom / element.clientWidth, this.object.matrix); + this._panUp(deltaY * (this.object.top - this.object.bottom) / this.object.zoom / element.clientHeight, this.object.matrix); + } else { + console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."); + this.enablePan = false; + } + } + _dollyOut(dollyScale) { + if (this.object.isPerspectiveCamera || this.object.isOrthographicCamera) { + this._scale /= dollyScale; + } else { + console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."); + this.enableZoom = false; + } + } + _dollyIn(dollyScale) { + if (this.object.isPerspectiveCamera || this.object.isOrthographicCamera) { + this._scale *= dollyScale; + } else { + console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."); + this.enableZoom = false; + } + } + _updateZoomParameters(x, y) { + if (!this.zoomToCursor) { + return; + } + this._performCursorZoom = true; + const rect = this.domElement.getBoundingClientRect(); + const dx = x - rect.left; + const dy = y - rect.top; + const w = rect.width; + const h = rect.height; + this._mouse.x = dx / w * 2 - 1; + this._mouse.y = -(dy / h) * 2 + 1; + this._dollyDirection.set(this._mouse.x, this._mouse.y, 1).unproject(this.object).sub(this.object.position).normalize(); + } + _clampDistance(dist) { + return Math.max(this.minDistance, Math.min(this.maxDistance, dist)); + } + // + // event callbacks - update the object state + // + _handleMouseDownRotate(event) { + this._rotateStart.set(event.clientX, event.clientY); + } + _handleMouseDownDolly(event) { + this._updateZoomParameters(event.clientX, event.clientX); + this._dollyStart.set(event.clientX, event.clientY); + } + _handleMouseDownPan(event) { + this._panStart.set(event.clientX, event.clientY); + } + _handleMouseMoveRotate(event) { + this._rotateEnd.set(event.clientX, event.clientY); + this._rotateDelta.subVectors(this._rotateEnd, this._rotateStart).multiplyScalar(this.rotateSpeed); + const element = this.domElement; + this._rotateLeft(_twoPI * this._rotateDelta.x / element.clientHeight); + this._rotateUp(_twoPI * this._rotateDelta.y / element.clientHeight); + this._rotateStart.copy(this._rotateEnd); + this.update(); + } + _handleMouseMoveDolly(event) { + this._dollyEnd.set(event.clientX, event.clientY); + this._dollyDelta.subVectors(this._dollyEnd, this._dollyStart); + if (this._dollyDelta.y > 0) { + this._dollyOut(this._getZoomScale(this._dollyDelta.y)); + } else if (this._dollyDelta.y < 0) { + this._dollyIn(this._getZoomScale(this._dollyDelta.y)); + } + this._dollyStart.copy(this._dollyEnd); + this.update(); + } + _handleMouseMovePan(event) { + this._panEnd.set(event.clientX, event.clientY); + this._panDelta.subVectors(this._panEnd, this._panStart).multiplyScalar(this.panSpeed); + this._pan(this._panDelta.x, this._panDelta.y); + this._panStart.copy(this._panEnd); + this.update(); + } + _handleMouseWheel(event) { + this._updateZoomParameters(event.clientX, event.clientY); + if (event.deltaY < 0) { + this._dollyIn(this._getZoomScale(event.deltaY)); + } else if (event.deltaY > 0) { + this._dollyOut(this._getZoomScale(event.deltaY)); + } + this.update(); + } + _handleKeyDown(event) { + let needsUpdate = false; + switch (event.code) { + case this.keys.UP: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (this.enableRotate) { + this._rotateUp(_twoPI * this.keyRotateSpeed / this.domElement.clientHeight); + } + } else { + if (this.enablePan) { + this._pan(0, this.keyPanSpeed); + } + } + needsUpdate = true; + break; + case this.keys.BOTTOM: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (this.enableRotate) { + this._rotateUp(-_twoPI * this.keyRotateSpeed / this.domElement.clientHeight); + } + } else { + if (this.enablePan) { + this._pan(0, -this.keyPanSpeed); + } + } + needsUpdate = true; + break; + case this.keys.LEFT: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (this.enableRotate) { + this._rotateLeft(_twoPI * this.keyRotateSpeed / this.domElement.clientHeight); + } + } else { + if (this.enablePan) { + this._pan(this.keyPanSpeed, 0); + } + } + needsUpdate = true; + break; + case this.keys.RIGHT: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (this.enableRotate) { + this._rotateLeft(-_twoPI * this.keyRotateSpeed / this.domElement.clientHeight); + } + } else { + if (this.enablePan) { + this._pan(-this.keyPanSpeed, 0); + } + } + needsUpdate = true; + break; + } + if (needsUpdate) { + event.preventDefault(); + this.update(); + } + } + _handleTouchStartRotate(event) { + if (this._pointers.length === 1) { + this._rotateStart.set(event.pageX, event.pageY); + } else { + const position = this._getSecondPointerPosition(event); + const x = 0.5 * (event.pageX + position.x); + const y = 0.5 * (event.pageY + position.y); + this._rotateStart.set(x, y); + } + } + _handleTouchStartPan(event) { + if (this._pointers.length === 1) { + this._panStart.set(event.pageX, event.pageY); + } else { + const position = this._getSecondPointerPosition(event); + const x = 0.5 * (event.pageX + position.x); + const y = 0.5 * (event.pageY + position.y); + this._panStart.set(x, y); + } + } + _handleTouchStartDolly(event) { + const position = this._getSecondPointerPosition(event); + const dx = event.pageX - position.x; + const dy = event.pageY - position.y; + const distance = Math.sqrt(dx * dx + dy * dy); + this._dollyStart.set(0, distance); + } + _handleTouchStartDollyPan(event) { + if (this.enableZoom) this._handleTouchStartDolly(event); + if (this.enablePan) this._handleTouchStartPan(event); + } + _handleTouchStartDollyRotate(event) { + if (this.enableZoom) this._handleTouchStartDolly(event); + if (this.enableRotate) this._handleTouchStartRotate(event); + } + _handleTouchMoveRotate(event) { + if (this._pointers.length == 1) { + this._rotateEnd.set(event.pageX, event.pageY); + } else { + const position = this._getSecondPointerPosition(event); + const x = 0.5 * (event.pageX + position.x); + const y = 0.5 * (event.pageY + position.y); + this._rotateEnd.set(x, y); + } + this._rotateDelta.subVectors(this._rotateEnd, this._rotateStart).multiplyScalar(this.rotateSpeed); + const element = this.domElement; + this._rotateLeft(_twoPI * this._rotateDelta.x / element.clientHeight); + this._rotateUp(_twoPI * this._rotateDelta.y / element.clientHeight); + this._rotateStart.copy(this._rotateEnd); + } + _handleTouchMovePan(event) { + if (this._pointers.length === 1) { + this._panEnd.set(event.pageX, event.pageY); + } else { + const position = this._getSecondPointerPosition(event); + const x = 0.5 * (event.pageX + position.x); + const y = 0.5 * (event.pageY + position.y); + this._panEnd.set(x, y); + } + this._panDelta.subVectors(this._panEnd, this._panStart).multiplyScalar(this.panSpeed); + this._pan(this._panDelta.x, this._panDelta.y); + this._panStart.copy(this._panEnd); + } + _handleTouchMoveDolly(event) { + const position = this._getSecondPointerPosition(event); + const dx = event.pageX - position.x; + const dy = event.pageY - position.y; + const distance = Math.sqrt(dx * dx + dy * dy); + this._dollyEnd.set(0, distance); + this._dollyDelta.set(0, Math.pow(this._dollyEnd.y / this._dollyStart.y, this.zoomSpeed)); + this._dollyOut(this._dollyDelta.y); + this._dollyStart.copy(this._dollyEnd); + const centerX = (event.pageX + position.x) * 0.5; + const centerY = (event.pageY + position.y) * 0.5; + this._updateZoomParameters(centerX, centerY); + } + _handleTouchMoveDollyPan(event) { + if (this.enableZoom) this._handleTouchMoveDolly(event); + if (this.enablePan) this._handleTouchMovePan(event); + } + _handleTouchMoveDollyRotate(event) { + if (this.enableZoom) this._handleTouchMoveDolly(event); + if (this.enableRotate) this._handleTouchMoveRotate(event); + } + // pointers + _addPointer(event) { + this._pointers.push(event.pointerId); + } + _removePointer(event) { + delete this._pointerPositions[event.pointerId]; + for (let i = 0; i < this._pointers.length; i++) { + if (this._pointers[i] == event.pointerId) { + this._pointers.splice(i, 1); + return; + } + } + } + _isTrackingPointer(event) { + for (let i = 0; i < this._pointers.length; i++) { + if (this._pointers[i] == event.pointerId) return true; + } + return false; + } + _trackPointer(event) { + let position = this._pointerPositions[event.pointerId]; + if (position === void 0) { + position = new Vector2(); + this._pointerPositions[event.pointerId] = position; + } + position.set(event.pageX, event.pageY); + } + _getSecondPointerPosition(event) { + const pointerId = event.pointerId === this._pointers[0] ? this._pointers[1] : this._pointers[0]; + return this._pointerPositions[pointerId]; + } + // + _customWheelEvent(event) { + const mode = event.deltaMode; + const newEvent = { + clientX: event.clientX, + clientY: event.clientY, + deltaY: event.deltaY + }; + switch (mode) { + case 1: + newEvent.deltaY *= 16; + break; + case 2: + newEvent.deltaY *= 100; + break; + } + if (event.ctrlKey && !this._controlActive) { + newEvent.deltaY *= 10; + } + return newEvent; + } +}; +function onPointerDown(event) { + if (this.enabled === false) return; + if (this._pointers.length === 0) { + this.domElement.setPointerCapture(event.pointerId); + this.domElement.addEventListener("pointermove", this._onPointerMove); + this.domElement.addEventListener("pointerup", this._onPointerUp); + } + if (this._isTrackingPointer(event)) return; + this._addPointer(event); + if (event.pointerType === "touch") { + this._onTouchStart(event); + } else { + this._onMouseDown(event); + } +} +function onPointerMove(event) { + if (this.enabled === false) return; + if (event.pointerType === "touch") { + this._onTouchMove(event); + } else { + this._onMouseMove(event); + } +} +function onPointerUp(event) { + this._removePointer(event); + switch (this._pointers.length) { + case 0: + this.domElement.releasePointerCapture(event.pointerId); + this.domElement.removeEventListener("pointermove", this._onPointerMove); + this.domElement.removeEventListener("pointerup", this._onPointerUp); + this.dispatchEvent(_endEvent); + this.state = _STATE.NONE; + break; + case 1: + const pointerId = this._pointers[0]; + const position = this._pointerPositions[pointerId]; + this._onTouchStart({ pointerId, pageX: position.x, pageY: position.y }); + break; + } +} +function onMouseDown(event) { + let mouseAction; + switch (event.button) { + case 0: + mouseAction = this.mouseButtons.LEFT; + break; + case 1: + mouseAction = this.mouseButtons.MIDDLE; + break; + case 2: + mouseAction = this.mouseButtons.RIGHT; + break; + default: + mouseAction = -1; + } + switch (mouseAction) { + case MOUSE.DOLLY: + if (this.enableZoom === false) return; + this._handleMouseDownDolly(event); + this.state = _STATE.DOLLY; + break; + case MOUSE.ROTATE: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (this.enablePan === false) return; + this._handleMouseDownPan(event); + this.state = _STATE.PAN; + } else { + if (this.enableRotate === false) return; + this._handleMouseDownRotate(event); + this.state = _STATE.ROTATE; + } + break; + case MOUSE.PAN: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (this.enableRotate === false) return; + this._handleMouseDownRotate(event); + this.state = _STATE.ROTATE; + } else { + if (this.enablePan === false) return; + this._handleMouseDownPan(event); + this.state = _STATE.PAN; + } + break; + default: + this.state = _STATE.NONE; + } + if (this.state !== _STATE.NONE) { + this.dispatchEvent(_startEvent); + } +} +function onMouseMove(event) { + switch (this.state) { + case _STATE.ROTATE: + if (this.enableRotate === false) return; + this._handleMouseMoveRotate(event); + break; + case _STATE.DOLLY: + if (this.enableZoom === false) return; + this._handleMouseMoveDolly(event); + break; + case _STATE.PAN: + if (this.enablePan === false) return; + this._handleMouseMovePan(event); + break; + } +} +function onMouseWheel(event) { + if (this.enabled === false || this.enableZoom === false || this.state !== _STATE.NONE) return; + event.preventDefault(); + this.dispatchEvent(_startEvent); + this._handleMouseWheel(this._customWheelEvent(event)); + this.dispatchEvent(_endEvent); +} +function onKeyDown(event) { + if (this.enabled === false) return; + this._handleKeyDown(event); +} +function onTouchStart(event) { + this._trackPointer(event); + switch (this._pointers.length) { + case 1: + switch (this.touches.ONE) { + case TOUCH.ROTATE: + if (this.enableRotate === false) return; + this._handleTouchStartRotate(event); + this.state = _STATE.TOUCH_ROTATE; + break; + case TOUCH.PAN: + if (this.enablePan === false) return; + this._handleTouchStartPan(event); + this.state = _STATE.TOUCH_PAN; + break; + default: + this.state = _STATE.NONE; + } + break; + case 2: + switch (this.touches.TWO) { + case TOUCH.DOLLY_PAN: + if (this.enableZoom === false && this.enablePan === false) return; + this._handleTouchStartDollyPan(event); + this.state = _STATE.TOUCH_DOLLY_PAN; + break; + case TOUCH.DOLLY_ROTATE: + if (this.enableZoom === false && this.enableRotate === false) return; + this._handleTouchStartDollyRotate(event); + this.state = _STATE.TOUCH_DOLLY_ROTATE; + break; + default: + this.state = _STATE.NONE; + } + break; + default: + this.state = _STATE.NONE; + } + if (this.state !== _STATE.NONE) { + this.dispatchEvent(_startEvent); + } +} +function onTouchMove(event) { + this._trackPointer(event); + switch (this.state) { + case _STATE.TOUCH_ROTATE: + if (this.enableRotate === false) return; + this._handleTouchMoveRotate(event); + this.update(); + break; + case _STATE.TOUCH_PAN: + if (this.enablePan === false) return; + this._handleTouchMovePan(event); + this.update(); + break; + case _STATE.TOUCH_DOLLY_PAN: + if (this.enableZoom === false && this.enablePan === false) return; + this._handleTouchMoveDollyPan(event); + this.update(); + break; + case _STATE.TOUCH_DOLLY_ROTATE: + if (this.enableZoom === false && this.enableRotate === false) return; + this._handleTouchMoveDollyRotate(event); + this.update(); + break; + default: + this.state = _STATE.NONE; + } +} +function onContextMenu(event) { + if (this.enabled === false) return; + event.preventDefault(); +} +function interceptControlDown(event) { + if (event.key === "Control") { + this._controlActive = true; + const document = this.domElement.getRootNode(); + document.addEventListener("keyup", this._interceptControlUp, { passive: true, capture: true }); + } +} +function interceptControlUp(event) { + if (event.key === "Control") { + this._controlActive = false; + const document = this.domElement.getRootNode(); + document.removeEventListener("keyup", this._interceptControlUp, { passive: true, capture: true }); + } +} +export { + OrbitControls +}; +//# sourceMappingURL=three_examples_jsm_controls_OrbitControls__js.js.map diff --git a/node_modules/.vite/deps/three_examples_jsm_controls_OrbitControls__js.js.map b/node_modules/.vite/deps/three_examples_jsm_controls_OrbitControls__js.js.map new file mode 100644 index 0000000..65cc654 --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_controls_OrbitControls__js.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["../../three/examples/jsm/controls/OrbitControls.js"], + "sourcesContent": ["import {\n\tControls,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3,\n\tPlane,\n\tRay,\n\tMathUtils\n} from 'three';\n\n/**\n * Fires when the camera has been transformed by the controls.\n *\n * @event OrbitControls#change\n * @type {Object}\n */\nconst _changeEvent = { type: 'change' };\n\n/**\n * Fires when an interaction was initiated.\n *\n * @event OrbitControls#start\n * @type {Object}\n */\nconst _startEvent = { type: 'start' };\n\n/**\n * Fires when an interaction has finished.\n *\n * @event OrbitControls#end\n * @type {Object}\n */\nconst _endEvent = { type: 'end' };\n\nconst _ray = new Ray();\nconst _plane = new Plane();\nconst _TILT_LIMIT = Math.cos( 70 * MathUtils.DEG2RAD );\n\nconst _v = new Vector3();\nconst _twoPI = 2 * Math.PI;\n\nconst _STATE = {\n\tNONE: - 1,\n\tROTATE: 0,\n\tDOLLY: 1,\n\tPAN: 2,\n\tTOUCH_ROTATE: 3,\n\tTOUCH_PAN: 4,\n\tTOUCH_DOLLY_PAN: 5,\n\tTOUCH_DOLLY_ROTATE: 6\n};\nconst _EPS = 0.000001;\n\n\n/**\n * Orbit controls allow the camera to orbit around a target.\n *\n * OrbitControls performs orbiting, dollying (zooming), and panning. Unlike {@link TrackballControls},\n * it maintains the \"up\" direction `object.up` (+Y by default).\n *\n * - Orbit: Left mouse / touch: one-finger move.\n * - Zoom: Middle mouse, or mousewheel / touch: two-finger spread or squish.\n * - Pan: Right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move.\n *\n * ```js\n * const controls = new OrbitControls( camera, renderer.domElement );\n *\n * // controls.update() must be called after any manual changes to the camera's transform\n * camera.position.set( 0, 20, 100 );\n * controls.update();\n *\n * function animate() {\n *\n * \t// required if controls.enableDamping or controls.autoRotate are set to true\n * \tcontrols.update();\n *\n * \trenderer.render( scene, camera );\n *\n * }\n * ```\n *\n * @augments Controls\n * @three_import import { OrbitControls } from 'three/addons/controls/OrbitControls.js';\n */\nclass OrbitControls extends Controls {\n\n\t/**\n\t * Constructs a new controls instance.\n\t *\n\t * @param {Object3D} object - The object that is managed by the controls.\n\t * @param {?HTMLElement} domElement - The HTML element used for event listeners.\n\t */\n\tconstructor( object, domElement = null ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.state = _STATE.NONE;\n\n\t\t/**\n\t\t * The focus point of the controls, the `object` orbits around this.\n\t\t * It can be updated manually at any point to change the focus of the controls.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.target = new Vector3();\n\n\t\t/**\n\t\t * The focus point of the `minTargetRadius` and `maxTargetRadius` limits.\n\t\t * It can be updated manually at any point to change the center of interest\n\t\t * for the `target`.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.cursor = new Vector3();\n\n\t\t/**\n\t\t * How far you can dolly in (perspective camera only).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.minDistance = 0;\n\n\t\t/**\n\t\t * How far you can dolly out (perspective camera only).\n\t\t *\n\t\t * @type {number}\n\t\t * @default Infinity\n\t\t */\n\t\tthis.maxDistance = Infinity;\n\n\t\t/**\n\t\t * How far you can zoom in (orthographic camera only).\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.minZoom = 0;\n\n\t\t/**\n\t\t * How far you can zoom out (orthographic camera only).\n\t\t *\n\t\t * @type {number}\n\t\t * @default Infinity\n\t\t */\n\t\tthis.maxZoom = Infinity;\n\n\t\t/**\n\t\t * How close you can get the target to the 3D `cursor`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.minTargetRadius = 0;\n\n\t\t/**\n\t\t * How far you can move the target from the 3D `cursor`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default Infinity\n\t\t */\n\t\tthis.maxTargetRadius = Infinity;\n\n\t\t/**\n\t\t * How far you can orbit vertically, lower limit. Range is `[0, Math.PI]` radians.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0\n\t\t */\n\t\tthis.minPolarAngle = 0;\n\n\t\t/**\n\t\t * How far you can orbit vertically, upper limit. Range is `[0, Math.PI]` radians.\n\t\t *\n\t\t * @type {number}\n\t\t * @default Math.PI\n\t\t */\n\t\tthis.maxPolarAngle = Math.PI;\n\n\t\t/**\n\t\t * How far you can orbit horizontally, lower limit. If set, the interval `[ min, max ]`\n\t\t * must be a sub-interval of `[ - 2 PI, 2 PI ]`, with `( max - min < 2 PI )`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default -Infinity\n\t\t */\n\t\tthis.minAzimuthAngle = - Infinity;\n\n\t\t/**\n\t\t * How far you can orbit horizontally, upper limit. If set, the interval `[ min, max ]`\n\t\t * must be a sub-interval of `[ - 2 PI, 2 PI ]`, with `( max - min < 2 PI )`.\n\t\t *\n\t\t * @type {number}\n\t\t * @default -Infinity\n\t\t */\n\t\tthis.maxAzimuthAngle = Infinity;\n\n\t\t/**\n\t\t * Set to `true` to enable damping (inertia), which can be used to give a sense of weight\n\t\t * to the controls. Note that if this is enabled, you must call `update()` in your animation\n\t\t * loop.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.enableDamping = false;\n\n\t\t/**\n\t\t * The damping inertia used if `enableDamping` is set to `true`.\n\t\t *\n\t\t * Note that for this to work, you must call `update()` in your animation loop.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 0.05\n\t\t */\n\t\tthis.dampingFactor = 0.05;\n\n\t\t/**\n\t\t * Enable or disable zooming (dollying) of the camera.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.enableZoom = true;\n\n\t\t/**\n\t\t * Speed of zooming / dollying.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t/**\n\t\t * Enable or disable horizontal and vertical rotation of the camera.\n\t\t *\n\t\t * Note that it is possible to disable a single axis by setting the min and max of the\n\t\t * `minPolarAngle` or `minAzimuthAngle` to the same value, which will cause the vertical\n\t\t * or horizontal rotation to be fixed at that value.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.enableRotate = true;\n\n\t\t/**\n\t\t * Speed of rotation.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t/**\n\t\t * How fast to rotate the camera when the keyboard is used.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.keyRotateSpeed = 1.0;\n\n\t\t/**\n\t\t * Enable or disable camera panning.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.enablePan = true;\n\n\t\t/**\n\t\t * Speed of panning.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 1\n\t\t */\n\t\tthis.panSpeed = 1.0;\n\n\t\t/**\n\t\t * Defines how the camera's position is translated when panning. If `true`, the camera pans\n\t\t * in screen space. Otherwise, the camera pans in the plane orthogonal to the camera's up\n\t\t * direction.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default true\n\t\t */\n\t\tthis.screenSpacePanning = true;\n\n\t\t/**\n\t\t * How fast to pan the camera when the keyboard is used in\n\t\t * pixels per keypress.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 7\n\t\t */\n\t\tthis.keyPanSpeed = 7.0;\n\n\t\t/**\n\t\t * Setting this property to `true` allows to zoom to the cursor's position.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.zoomToCursor = false;\n\n\t\t/**\n\t\t * Set to true to automatically rotate around the target\n\t\t *\n\t\t * Note that if this is enabled, you must call `update()` in your animation loop.\n\t\t * If you want the auto-rotate speed to be independent of the frame rate (the refresh\n\t\t * rate of the display), you must pass the time `deltaTime`, in seconds, to `update()`.\n\t\t *\n\t\t * @type {boolean}\n\t\t * @default false\n\t\t */\n\t\tthis.autoRotate = false;\n\n\t\t/**\n\t\t * How fast to rotate around the target if `autoRotate` is `true`. The default equates to 30 seconds\n\t\t * per orbit at 60fps.\n\t\t *\n\t\t * Note that if `autoRotate` is enabled, you must call `update()` in your animation loop.\n\t\t *\n\t\t * @type {number}\n\t\t * @default 2\n\t\t */\n\t\tthis.autoRotateSpeed = 2.0;\n\n\t\t/**\n\t\t * This object contains references to the keycodes for controlling camera panning.\n\t\t *\n\t\t * ```js\n\t\t * controls.keys = {\n\t\t * \tLEFT: 'ArrowLeft', //left arrow\n\t\t * \tUP: 'ArrowUp', // up arrow\n\t\t * \tRIGHT: 'ArrowRight', // right arrow\n\t\t * \tBOTTOM: 'ArrowDown' // down arrow\n\t\t * }\n\t\t * ```\n\t\t * @type {Object}\n\t\t */\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t/**\n\t\t * This object contains references to the mouse actions used by the controls.\n\t\t *\n\t\t * ```js\n\t\t * controls.mouseButtons = {\n\t\t * \tLEFT: THREE.MOUSE.ROTATE,\n\t\t * \tMIDDLE: THREE.MOUSE.DOLLY,\n\t\t * \tRIGHT: THREE.MOUSE.PAN\n\t\t * }\n\t\t * ```\n\t\t * @type {Object}\n\t\t */\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t/**\n\t\t * This object contains references to the touch actions used by the controls.\n\t\t *\n\t\t * ```js\n\t\t * controls.mouseButtons = {\n\t\t * \tONE: THREE.TOUCH.ROTATE,\n\t\t * \tTWO: THREE.TOUCH.DOLLY_PAN\n\t\t * }\n\t\t * ```\n\t\t * @type {Object}\n\t\t */\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t/**\n\t\t * Used internally by `saveState()` and `reset()`.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.target0 = this.target.clone();\n\n\t\t/**\n\t\t * Used internally by `saveState()` and `reset()`.\n\t\t *\n\t\t * @type {Vector3}\n\t\t */\n\t\tthis.position0 = this.object.position.clone();\n\n\t\t/**\n\t\t * Used internally by `saveState()` and `reset()`.\n\t\t *\n\t\t * @type {number}\n\t\t */\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t// internals\n\n\t\tthis._lastPosition = new Vector3();\n\t\tthis._lastQuaternion = new Quaternion();\n\t\tthis._lastTargetPosition = new Vector3();\n\n\t\t// so camera.up is the orbit axis\n\t\tthis._quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\tthis._quatInverse = this._quat.clone().invert();\n\n\t\t// current position in spherical coordinates\n\t\tthis._spherical = new Spherical();\n\t\tthis._sphericalDelta = new Spherical();\n\n\t\tthis._scale = 1;\n\t\tthis._panOffset = new Vector3();\n\n\t\tthis._rotateStart = new Vector2();\n\t\tthis._rotateEnd = new Vector2();\n\t\tthis._rotateDelta = new Vector2();\n\n\t\tthis._panStart = new Vector2();\n\t\tthis._panEnd = new Vector2();\n\t\tthis._panDelta = new Vector2();\n\n\t\tthis._dollyStart = new Vector2();\n\t\tthis._dollyEnd = new Vector2();\n\t\tthis._dollyDelta = new Vector2();\n\n\t\tthis._dollyDirection = new Vector3();\n\t\tthis._mouse = new Vector2();\n\t\tthis._performCursorZoom = false;\n\n\t\tthis._pointers = [];\n\t\tthis._pointerPositions = {};\n\n\t\tthis._controlActive = false;\n\n\t\t// event listeners\n\n\t\tthis._onPointerMove = onPointerMove.bind( this );\n\t\tthis._onPointerDown = onPointerDown.bind( this );\n\t\tthis._onPointerUp = onPointerUp.bind( this );\n\t\tthis._onContextMenu = onContextMenu.bind( this );\n\t\tthis._onMouseWheel = onMouseWheel.bind( this );\n\t\tthis._onKeyDown = onKeyDown.bind( this );\n\n\t\tthis._onTouchStart = onTouchStart.bind( this );\n\t\tthis._onTouchMove = onTouchMove.bind( this );\n\n\t\tthis._onMouseDown = onMouseDown.bind( this );\n\t\tthis._onMouseMove = onMouseMove.bind( this );\n\n\t\tthis._interceptControlDown = interceptControlDown.bind( this );\n\t\tthis._interceptControlUp = interceptControlUp.bind( this );\n\n\t\t//\n\n\t\tif ( this.domElement !== null ) {\n\n\t\t\tthis.connect( this.domElement );\n\n\t\t}\n\n\t\tthis.update();\n\n\t}\n\n\tconnect( element ) {\n\n\t\tsuper.connect( element );\n\n\t\tthis.domElement.addEventListener( 'pointerdown', this._onPointerDown );\n\t\tthis.domElement.addEventListener( 'pointercancel', this._onPointerUp );\n\n\t\tthis.domElement.addEventListener( 'contextmenu', this._onContextMenu );\n\t\tthis.domElement.addEventListener( 'wheel', this._onMouseWheel, { passive: false } );\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\t\tdocument.addEventListener( 'keydown', this._interceptControlDown, { passive: true, capture: true } );\n\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t}\n\n\tdisconnect() {\n\n\t\tthis.domElement.removeEventListener( 'pointerdown', this._onPointerDown );\n\t\tthis.domElement.removeEventListener( 'pointermove', this._onPointerMove );\n\t\tthis.domElement.removeEventListener( 'pointerup', this._onPointerUp );\n\t\tthis.domElement.removeEventListener( 'pointercancel', this._onPointerUp );\n\n\t\tthis.domElement.removeEventListener( 'wheel', this._onMouseWheel );\n\t\tthis.domElement.removeEventListener( 'contextmenu', this._onContextMenu );\n\n\t\tthis.stopListenToKeyEvents();\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\t\tdocument.removeEventListener( 'keydown', this._interceptControlDown, { capture: true } );\n\n\t\tthis.domElement.style.touchAction = 'auto';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.disconnect();\n\n\t}\n\n\t/**\n\t * Get the current vertical rotation, in radians.\n\t *\n\t * @return {number} The current vertical rotation, in radians.\n\t */\n\tgetPolarAngle() {\n\n\t\treturn this._spherical.phi;\n\n\t}\n\n\t/**\n\t * Get the current horizontal rotation, in radians.\n\t *\n\t * @return {number} The current horizontal rotation, in radians.\n\t */\n\tgetAzimuthalAngle() {\n\n\t\treturn this._spherical.theta;\n\n\t}\n\n\t/**\n\t * Returns the distance from the camera to the target.\n\t *\n\t * @return {number} The distance from the camera to the target.\n\t */\n\tgetDistance() {\n\n\t\treturn this.object.position.distanceTo( this.target );\n\n\t}\n\n\t/**\n\t * Adds key event listeners to the given DOM element.\n\t * `window` is a recommended argument for using this method.\n\t *\n\t * @param {HTMLElement} domElement - The DOM element\n\t */\n\tlistenToKeyEvents( domElement ) {\n\n\t\tdomElement.addEventListener( 'keydown', this._onKeyDown );\n\t\tthis._domElementKeyEvents = domElement;\n\n\t}\n\n\t/**\n\t * Removes the key event listener previously defined with `listenToKeyEvents()`.\n\t */\n\tstopListenToKeyEvents() {\n\n\t\tif ( this._domElementKeyEvents !== null ) {\n\n\t\t\tthis._domElementKeyEvents.removeEventListener( 'keydown', this._onKeyDown );\n\t\t\tthis._domElementKeyEvents = null;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Save the current state of the controls. This can later be recovered with `reset()`.\n\t */\n\tsaveState() {\n\n\t\tthis.target0.copy( this.target );\n\t\tthis.position0.copy( this.object.position );\n\t\tthis.zoom0 = this.object.zoom;\n\n\t}\n\n\t/**\n\t * Reset the controls to their state from either the last time the `saveState()`\n\t * was called, or the initial state.\n\t */\n\treset() {\n\n\t\tthis.target.copy( this.target0 );\n\t\tthis.object.position.copy( this.position0 );\n\t\tthis.object.zoom = this.zoom0;\n\n\t\tthis.object.updateProjectionMatrix();\n\t\tthis.dispatchEvent( _changeEvent );\n\n\t\tthis.update();\n\n\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tupdate( deltaTime = null ) {\n\n\t\tconst position = this.object.position;\n\n\t\t_v.copy( position ).sub( this.target );\n\n\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t_v.applyQuaternion( this._quat );\n\n\t\t// angle from z-axis around y-axis\n\t\tthis._spherical.setFromVector3( _v );\n\n\t\tif ( this.autoRotate && this.state === _STATE.NONE ) {\n\n\t\t\tthis._rotateLeft( this._getAutoRotationAngle( deltaTime ) );\n\n\t\t}\n\n\t\tif ( this.enableDamping ) {\n\n\t\t\tthis._spherical.theta += this._sphericalDelta.theta * this.dampingFactor;\n\t\t\tthis._spherical.phi += this._sphericalDelta.phi * this.dampingFactor;\n\n\t\t} else {\n\n\t\t\tthis._spherical.theta += this._sphericalDelta.theta;\n\t\t\tthis._spherical.phi += this._sphericalDelta.phi;\n\n\t\t}\n\n\t\t// restrict theta to be between desired limits\n\n\t\tlet min = this.minAzimuthAngle;\n\t\tlet max = this.maxAzimuthAngle;\n\n\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\tif ( min < - Math.PI ) min += _twoPI; else if ( min > Math.PI ) min -= _twoPI;\n\n\t\t\tif ( max < - Math.PI ) max += _twoPI; else if ( max > Math.PI ) max -= _twoPI;\n\n\t\t\tif ( min <= max ) {\n\n\t\t\t\tthis._spherical.theta = Math.max( min, Math.min( max, this._spherical.theta ) );\n\n\t\t\t} else {\n\n\t\t\t\tthis._spherical.theta = ( this._spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\tMath.max( min, this._spherical.theta ) :\n\t\t\t\t\tMath.min( max, this._spherical.theta );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// restrict phi to be between desired limits\n\t\tthis._spherical.phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, this._spherical.phi ) );\n\n\t\tthis._spherical.makeSafe();\n\n\n\t\t// move target to panned location\n\n\t\tif ( this.enableDamping === true ) {\n\n\t\t\tthis.target.addScaledVector( this._panOffset, this.dampingFactor );\n\n\t\t} else {\n\n\t\t\tthis.target.add( this._panOffset );\n\n\t\t}\n\n\t\t// Limit the target distance from the cursor to create a sphere around the center of interest\n\t\tthis.target.sub( this.cursor );\n\t\tthis.target.clampLength( this.minTargetRadius, this.maxTargetRadius );\n\t\tthis.target.add( this.cursor );\n\n\t\tlet zoomChanged = false;\n\t\t// adjust the camera position based on zoom only if we're not zooming to the cursor or if it's an ortho camera\n\t\t// we adjust zoom later in these cases\n\t\tif ( this.zoomToCursor && this._performCursorZoom || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._spherical.radius = this._clampDistance( this._spherical.radius );\n\n\t\t} else {\n\n\t\t\tconst prevRadius = this._spherical.radius;\n\t\t\tthis._spherical.radius = this._clampDistance( this._spherical.radius * this._scale );\n\t\t\tzoomChanged = prevRadius != this._spherical.radius;\n\n\t\t}\n\n\t\t_v.setFromSpherical( this._spherical );\n\n\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t_v.applyQuaternion( this._quatInverse );\n\n\t\tposition.copy( this.target ).add( _v );\n\n\t\tthis.object.lookAt( this.target );\n\n\t\tif ( this.enableDamping === true ) {\n\n\t\t\tthis._sphericalDelta.theta *= ( 1 - this.dampingFactor );\n\t\t\tthis._sphericalDelta.phi *= ( 1 - this.dampingFactor );\n\n\t\t\tthis._panOffset.multiplyScalar( 1 - this.dampingFactor );\n\n\t\t} else {\n\n\t\t\tthis._sphericalDelta.set( 0, 0, 0 );\n\n\t\t\tthis._panOffset.set( 0, 0, 0 );\n\n\t\t}\n\n\t\t// adjust camera position\n\t\tif ( this.zoomToCursor && this._performCursorZoom ) {\n\n\t\t\tlet newRadius = null;\n\t\t\tif ( this.object.isPerspectiveCamera ) {\n\n\t\t\t\t// move the camera down the pointer ray\n\t\t\t\t// this method avoids floating point error\n\t\t\t\tconst prevRadius = _v.length();\n\t\t\t\tnewRadius = this._clampDistance( prevRadius * this._scale );\n\n\t\t\t\tconst radiusDelta = prevRadius - newRadius;\n\t\t\t\tthis.object.position.addScaledVector( this._dollyDirection, radiusDelta );\n\t\t\t\tthis.object.updateMatrixWorld();\n\n\t\t\t\tzoomChanged = !! radiusDelta;\n\n\t\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\t\t// adjust the ortho camera position based on zoom changes\n\t\t\t\tconst mouseBefore = new Vector3( this._mouse.x, this._mouse.y, 0 );\n\t\t\t\tmouseBefore.unproject( this.object );\n\n\t\t\t\tconst prevZoom = this.object.zoom;\n\t\t\t\tthis.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / this._scale ) );\n\t\t\t\tthis.object.updateProjectionMatrix();\n\n\t\t\t\tzoomChanged = prevZoom !== this.object.zoom;\n\n\t\t\t\tconst mouseAfter = new Vector3( this._mouse.x, this._mouse.y, 0 );\n\t\t\t\tmouseAfter.unproject( this.object );\n\n\t\t\t\tthis.object.position.sub( mouseAfter ).add( mouseBefore );\n\t\t\t\tthis.object.updateMatrixWorld();\n\n\t\t\t\tnewRadius = _v.length();\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled.' );\n\t\t\t\tthis.zoomToCursor = false;\n\n\t\t\t}\n\n\t\t\t// handle the placement of the target\n\t\t\tif ( newRadius !== null ) {\n\n\t\t\t\tif ( this.screenSpacePanning ) {\n\n\t\t\t\t\t// position the orbit target in front of the new camera position\n\t\t\t\t\tthis.target.set( 0, 0, - 1 )\n\t\t\t\t\t\t.transformDirection( this.object.matrix )\n\t\t\t\t\t\t.multiplyScalar( newRadius )\n\t\t\t\t\t\t.add( this.object.position );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// get the ray and translation plane to compute target\n\t\t\t\t\t_ray.origin.copy( this.object.position );\n\t\t\t\t\t_ray.direction.set( 0, 0, - 1 ).transformDirection( this.object.matrix );\n\n\t\t\t\t\t// if the camera is 20 degrees above the horizon then don't adjust the focus target to avoid\n\t\t\t\t\t// extremely large values\n\t\t\t\t\tif ( Math.abs( this.object.up.dot( _ray.direction ) ) < _TILT_LIMIT ) {\n\n\t\t\t\t\t\tthis.object.lookAt( this.target );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_plane.setFromNormalAndCoplanarPoint( this.object.up, this.target );\n\t\t\t\t\t\t_ray.intersectPlane( _plane, this.target );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\tconst prevZoom = this.object.zoom;\n\t\t\tthis.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / this._scale ) );\n\n\t\t\tif ( prevZoom !== this.object.zoom ) {\n\n\t\t\t\tthis.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._scale = 1;\n\t\tthis._performCursorZoom = false;\n\n\t\t// update condition is:\n\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\tif ( zoomChanged ||\n\t\t\tthis._lastPosition.distanceToSquared( this.object.position ) > _EPS ||\n\t\t\t8 * ( 1 - this._lastQuaternion.dot( this.object.quaternion ) ) > _EPS ||\n\t\t\tthis._lastTargetPosition.distanceToSquared( this.target ) > _EPS ) {\n\n\t\t\tthis.dispatchEvent( _changeEvent );\n\n\t\t\tthis._lastPosition.copy( this.object.position );\n\t\t\tthis._lastQuaternion.copy( this.object.quaternion );\n\t\t\tthis._lastTargetPosition.copy( this.target );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t_getAutoRotationAngle( deltaTime ) {\n\n\t\tif ( deltaTime !== null ) {\n\n\t\t\treturn ( _twoPI / 60 * this.autoRotateSpeed ) * deltaTime;\n\n\t\t} else {\n\n\t\t\treturn _twoPI / 60 / 60 * this.autoRotateSpeed;\n\n\t\t}\n\n\t}\n\n\t_getZoomScale( delta ) {\n\n\t\tconst normalizedDelta = Math.abs( delta * 0.01 );\n\t\treturn Math.pow( 0.95, this.zoomSpeed * normalizedDelta );\n\n\t}\n\n\t_rotateLeft( angle ) {\n\n\t\tthis._sphericalDelta.theta -= angle;\n\n\t}\n\n\t_rotateUp( angle ) {\n\n\t\tthis._sphericalDelta.phi -= angle;\n\n\t}\n\n\t_panLeft( distance, objectMatrix ) {\n\n\t\t_v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t_v.multiplyScalar( - distance );\n\n\t\tthis._panOffset.add( _v );\n\n\t}\n\n\t_panUp( distance, objectMatrix ) {\n\n\t\tif ( this.screenSpacePanning === true ) {\n\n\t\t\t_v.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t} else {\n\n\t\t\t_v.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t_v.crossVectors( this.object.up, _v );\n\n\t\t}\n\n\t\t_v.multiplyScalar( distance );\n\n\t\tthis._panOffset.add( _v );\n\n\t}\n\n\t// deltaX and deltaY are in pixels; right and down are positive\n\t_pan( deltaX, deltaY ) {\n\n\t\tconst element = this.domElement;\n\n\t\tif ( this.object.isPerspectiveCamera ) {\n\n\t\t\t// perspective\n\t\t\tconst position = this.object.position;\n\t\t\t_v.copy( position ).sub( this.target );\n\t\t\tlet targetDistance = _v.length();\n\n\t\t\t// half of the fov is center to top of screen\n\t\t\ttargetDistance *= Math.tan( ( this.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\tthis._panLeft( 2 * deltaX * targetDistance / element.clientHeight, this.object.matrix );\n\t\t\tthis._panUp( 2 * deltaY * targetDistance / element.clientHeight, this.object.matrix );\n\n\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\t// orthographic\n\t\t\tthis._panLeft( deltaX * ( this.object.right - this.object.left ) / this.object.zoom / element.clientWidth, this.object.matrix );\n\t\t\tthis._panUp( deltaY * ( this.object.top - this.object.bottom ) / this.object.zoom / element.clientHeight, this.object.matrix );\n\n\t\t} else {\n\n\t\t\t// camera neither orthographic nor perspective\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\tthis.enablePan = false;\n\n\t\t}\n\n\t}\n\n\t_dollyOut( dollyScale ) {\n\n\t\tif ( this.object.isPerspectiveCamera || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._scale /= dollyScale;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\tthis.enableZoom = false;\n\n\t\t}\n\n\t}\n\n\t_dollyIn( dollyScale ) {\n\n\t\tif ( this.object.isPerspectiveCamera || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._scale *= dollyScale;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\tthis.enableZoom = false;\n\n\t\t}\n\n\t}\n\n\t_updateZoomParameters( x, y ) {\n\n\t\tif ( ! this.zoomToCursor ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._performCursorZoom = true;\n\n\t\tconst rect = this.domElement.getBoundingClientRect();\n\t\tconst dx = x - rect.left;\n\t\tconst dy = y - rect.top;\n\t\tconst w = rect.width;\n\t\tconst h = rect.height;\n\n\t\tthis._mouse.x = ( dx / w ) * 2 - 1;\n\t\tthis._mouse.y = - ( dy / h ) * 2 + 1;\n\n\t\tthis._dollyDirection.set( this._mouse.x, this._mouse.y, 1 ).unproject( this.object ).sub( this.object.position ).normalize();\n\n\t}\n\n\t_clampDistance( dist ) {\n\n\t\treturn Math.max( this.minDistance, Math.min( this.maxDistance, dist ) );\n\n\t}\n\n\t//\n\t// event callbacks - update the object state\n\t//\n\n\t_handleMouseDownRotate( event ) {\n\n\t\tthis._rotateStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseDownDolly( event ) {\n\n\t\tthis._updateZoomParameters( event.clientX, event.clientX );\n\t\tthis._dollyStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseDownPan( event ) {\n\n\t\tthis._panStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseMoveRotate( event ) {\n\n\t\tthis._rotateEnd.set( event.clientX, event.clientY );\n\n\t\tthis._rotateDelta.subVectors( this._rotateEnd, this._rotateStart ).multiplyScalar( this.rotateSpeed );\n\n\t\tconst element = this.domElement;\n\n\t\tthis._rotateLeft( _twoPI * this._rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\tthis._rotateUp( _twoPI * this._rotateDelta.y / element.clientHeight );\n\n\t\tthis._rotateStart.copy( this._rotateEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseMoveDolly( event ) {\n\n\t\tthis._dollyEnd.set( event.clientX, event.clientY );\n\n\t\tthis._dollyDelta.subVectors( this._dollyEnd, this._dollyStart );\n\n\t\tif ( this._dollyDelta.y > 0 ) {\n\n\t\t\tthis._dollyOut( this._getZoomScale( this._dollyDelta.y ) );\n\n\t\t} else if ( this._dollyDelta.y < 0 ) {\n\n\t\t\tthis._dollyIn( this._getZoomScale( this._dollyDelta.y ) );\n\n\t\t}\n\n\t\tthis._dollyStart.copy( this._dollyEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseMovePan( event ) {\n\n\t\tthis._panEnd.set( event.clientX, event.clientY );\n\n\t\tthis._panDelta.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.panSpeed );\n\n\t\tthis._pan( this._panDelta.x, this._panDelta.y );\n\n\t\tthis._panStart.copy( this._panEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseWheel( event ) {\n\n\t\tthis._updateZoomParameters( event.clientX, event.clientY );\n\n\t\tif ( event.deltaY < 0 ) {\n\n\t\t\tthis._dollyIn( this._getZoomScale( event.deltaY ) );\n\n\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\tthis._dollyOut( this._getZoomScale( event.deltaY ) );\n\n\t\t}\n\n\t\tthis.update();\n\n\t}\n\n\t_handleKeyDown( event ) {\n\n\t\tlet needsUpdate = false;\n\n\t\tswitch ( event.code ) {\n\n\t\t\tcase this.keys.UP:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateUp( _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( 0, this.keyPanSpeed );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.BOTTOM:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateUp( - _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( 0, - this.keyPanSpeed );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.LEFT:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateLeft( _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( this.keyPanSpeed, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.RIGHT:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateLeft( - _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( - this.keyPanSpeed, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\tevent.preventDefault();\n\n\t\t\tthis.update();\n\n\t\t}\n\n\n\t}\n\n\t_handleTouchStartRotate( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._rotateStart.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._rotateStart.set( x, y );\n\n\t\t}\n\n\t}\n\n\t_handleTouchStartPan( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._panStart.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._panStart.set( x, y );\n\n\t\t}\n\n\t}\n\n\t_handleTouchStartDolly( event ) {\n\n\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\tconst dx = event.pageX - position.x;\n\t\tconst dy = event.pageY - position.y;\n\n\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\tthis._dollyStart.set( 0, distance );\n\n\t}\n\n\t_handleTouchStartDollyPan( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchStartDolly( event );\n\n\t\tif ( this.enablePan ) this._handleTouchStartPan( event );\n\n\t}\n\n\t_handleTouchStartDollyRotate( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchStartDolly( event );\n\n\t\tif ( this.enableRotate ) this._handleTouchStartRotate( event );\n\n\t}\n\n\t_handleTouchMoveRotate( event ) {\n\n\t\tif ( this._pointers.length == 1 ) {\n\n\t\t\tthis._rotateEnd.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._rotateEnd.set( x, y );\n\n\t\t}\n\n\t\tthis._rotateDelta.subVectors( this._rotateEnd, this._rotateStart ).multiplyScalar( this.rotateSpeed );\n\n\t\tconst element = this.domElement;\n\n\t\tthis._rotateLeft( _twoPI * this._rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\tthis._rotateUp( _twoPI * this._rotateDelta.y / element.clientHeight );\n\n\t\tthis._rotateStart.copy( this._rotateEnd );\n\n\t}\n\n\t_handleTouchMovePan( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._panEnd.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._panEnd.set( x, y );\n\n\t\t}\n\n\t\tthis._panDelta.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.panSpeed );\n\n\t\tthis._pan( this._panDelta.x, this._panDelta.y );\n\n\t\tthis._panStart.copy( this._panEnd );\n\n\t}\n\n\t_handleTouchMoveDolly( event ) {\n\n\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\tconst dx = event.pageX - position.x;\n\t\tconst dy = event.pageY - position.y;\n\n\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\tthis._dollyEnd.set( 0, distance );\n\n\t\tthis._dollyDelta.set( 0, Math.pow( this._dollyEnd.y / this._dollyStart.y, this.zoomSpeed ) );\n\n\t\tthis._dollyOut( this._dollyDelta.y );\n\n\t\tthis._dollyStart.copy( this._dollyEnd );\n\n\t\tconst centerX = ( event.pageX + position.x ) * 0.5;\n\t\tconst centerY = ( event.pageY + position.y ) * 0.5;\n\n\t\tthis._updateZoomParameters( centerX, centerY );\n\n\t}\n\n\t_handleTouchMoveDollyPan( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchMoveDolly( event );\n\n\t\tif ( this.enablePan ) this._handleTouchMovePan( event );\n\n\t}\n\n\t_handleTouchMoveDollyRotate( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchMoveDolly( event );\n\n\t\tif ( this.enableRotate ) this._handleTouchMoveRotate( event );\n\n\t}\n\n\t// pointers\n\n\t_addPointer( event ) {\n\n\t\tthis._pointers.push( event.pointerId );\n\n\t}\n\n\t_removePointer( event ) {\n\n\t\tdelete this._pointerPositions[ event.pointerId ];\n\n\t\tfor ( let i = 0; i < this._pointers.length; i ++ ) {\n\n\t\t\tif ( this._pointers[ i ] == event.pointerId ) {\n\n\t\t\t\tthis._pointers.splice( i, 1 );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_isTrackingPointer( event ) {\n\n\t\tfor ( let i = 0; i < this._pointers.length; i ++ ) {\n\n\t\t\tif ( this._pointers[ i ] == event.pointerId ) return true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t_trackPointer( event ) {\n\n\t\tlet position = this._pointerPositions[ event.pointerId ];\n\n\t\tif ( position === undefined ) {\n\n\t\t\tposition = new Vector2();\n\t\t\tthis._pointerPositions[ event.pointerId ] = position;\n\n\t\t}\n\n\t\tposition.set( event.pageX, event.pageY );\n\n\t}\n\n\t_getSecondPointerPosition( event ) {\n\n\t\tconst pointerId = ( event.pointerId === this._pointers[ 0 ] ) ? this._pointers[ 1 ] : this._pointers[ 0 ];\n\n\t\treturn this._pointerPositions[ pointerId ];\n\n\t}\n\n\t//\n\n\t_customWheelEvent( event ) {\n\n\t\tconst mode = event.deltaMode;\n\n\t\t// minimal wheel event altered to meet delta-zoom demand\n\t\tconst newEvent = {\n\t\t\tclientX: event.clientX,\n\t\t\tclientY: event.clientY,\n\t\t\tdeltaY: event.deltaY,\n\t\t};\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 1: // LINE_MODE\n\t\t\t\tnewEvent.deltaY *= 16;\n\t\t\t\tbreak;\n\n\t\t\tcase 2: // PAGE_MODE\n\t\t\t\tnewEvent.deltaY *= 100;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\t// detect if event was triggered by pinching\n\t\tif ( event.ctrlKey && ! this._controlActive ) {\n\n\t\t\tnewEvent.deltaY *= 10;\n\n\t\t}\n\n\t\treturn newEvent;\n\n\t}\n\n}\n\nfunction onPointerDown( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tif ( this._pointers.length === 0 ) {\n\n\t\tthis.domElement.setPointerCapture( event.pointerId );\n\n\t\tthis.domElement.addEventListener( 'pointermove', this._onPointerMove );\n\t\tthis.domElement.addEventListener( 'pointerup', this._onPointerUp );\n\n\t}\n\n\t//\n\n\tif ( this._isTrackingPointer( event ) ) return;\n\n\t//\n\n\tthis._addPointer( event );\n\n\tif ( event.pointerType === 'touch' ) {\n\n\t\tthis._onTouchStart( event );\n\n\t} else {\n\n\t\tthis._onMouseDown( event );\n\n\t}\n\n}\n\nfunction onPointerMove( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tif ( event.pointerType === 'touch' ) {\n\n\t\tthis._onTouchMove( event );\n\n\t} else {\n\n\t\tthis._onMouseMove( event );\n\n\t}\n\n}\n\nfunction onPointerUp( event ) {\n\n\tthis._removePointer( event );\n\n\tswitch ( this._pointers.length ) {\n\n\t\tcase 0:\n\n\t\t\tthis.domElement.releasePointerCapture( event.pointerId );\n\n\t\t\tthis.domElement.removeEventListener( 'pointermove', this._onPointerMove );\n\t\t\tthis.domElement.removeEventListener( 'pointerup', this._onPointerUp );\n\n\t\t\tthis.dispatchEvent( _endEvent );\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t\t\tbreak;\n\n\t\tcase 1:\n\n\t\t\tconst pointerId = this._pointers[ 0 ];\n\t\t\tconst position = this._pointerPositions[ pointerId ];\n\n\t\t\t// minimal placeholder event - allows state correction on pointer-up\n\t\t\tthis._onTouchStart( { pointerId: pointerId, pageX: position.x, pageY: position.y } );\n\n\t\t\tbreak;\n\n\t}\n\n}\n\nfunction onMouseDown( event ) {\n\n\tlet mouseAction;\n\n\tswitch ( event.button ) {\n\n\t\tcase 0:\n\n\t\t\tmouseAction = this.mouseButtons.LEFT;\n\t\t\tbreak;\n\n\t\tcase 1:\n\n\t\t\tmouseAction = this.mouseButtons.MIDDLE;\n\t\t\tbreak;\n\n\t\tcase 2:\n\n\t\t\tmouseAction = this.mouseButtons.RIGHT;\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tmouseAction = - 1;\n\n\t}\n\n\tswitch ( mouseAction ) {\n\n\t\tcase MOUSE.DOLLY:\n\n\t\t\tif ( this.enableZoom === false ) return;\n\n\t\t\tthis._handleMouseDownDolly( event );\n\n\t\t\tthis.state = _STATE.DOLLY;\n\n\t\t\tbreak;\n\n\t\tcase MOUSE.ROTATE:\n\n\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\tthis._handleMouseDownPan( event );\n\n\t\t\t\tthis.state = _STATE.PAN;\n\n\t\t\t} else {\n\n\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\tthis._handleMouseDownRotate( event );\n\n\t\t\t\tthis.state = _STATE.ROTATE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tcase MOUSE.PAN:\n\n\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\tthis._handleMouseDownRotate( event );\n\n\t\t\t\tthis.state = _STATE.ROTATE;\n\n\t\t\t} else {\n\n\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\tthis._handleMouseDownPan( event );\n\n\t\t\t\tthis.state = _STATE.PAN;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tif ( this.state !== _STATE.NONE ) {\n\n\t\tthis.dispatchEvent( _startEvent );\n\n\t}\n\n}\n\nfunction onMouseMove( event ) {\n\n\tswitch ( this.state ) {\n\n\t\tcase _STATE.ROTATE:\n\n\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\tthis._handleMouseMoveRotate( event );\n\n\t\t\tbreak;\n\n\t\tcase _STATE.DOLLY:\n\n\t\t\tif ( this.enableZoom === false ) return;\n\n\t\t\tthis._handleMouseMoveDolly( event );\n\n\t\t\tbreak;\n\n\t\tcase _STATE.PAN:\n\n\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\tthis._handleMouseMovePan( event );\n\n\t\t\tbreak;\n\n\t}\n\n}\n\nfunction onMouseWheel( event ) {\n\n\tif ( this.enabled === false || 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+ "names": [] +} diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_ColladaLoader__js.js b/node_modules/.vite/deps/three_examples_jsm_loaders_ColladaLoader__js.js new file mode 100644 index 0000000..68391b6 --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_ColladaLoader__js.js @@ -0,0 +1,2703 @@ +import { + AmbientLight, + AnimationClip, + Bone, + BufferGeometry, + ClampToEdgeWrapping, + Color, + ColorManagement, + DataTextureLoader, + DirectionalLight, + DoubleSide, + FileLoader, + Float32BufferAttribute, + FrontSide, + Group, + Line, + LineBasicMaterial, + LineSegments, + LinearMipmapLinearFilter, + Loader, + LoaderUtils, + MathUtils, + Matrix4, + Mesh, + MeshBasicMaterial, + MeshLambertMaterial, + MeshPhongMaterial, + OrthographicCamera, + PerspectiveCamera, + PointLight, + Quaternion, + QuaternionKeyframeTrack, + RepeatWrapping, + SRGBColorSpace, + Scene, + Skeleton, + SkinnedMesh, + SpotLight, + TextureLoader, + Vector2, + Vector3, + VectorKeyframeTrack +} from "./chunk-4JECOO4M.js"; + +// node_modules/three/examples/jsm/loaders/TGALoader.js +var TGALoader = class extends DataTextureLoader { + /** + * Constructs a new TGA loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Parses the given TGA texture data. + * + * @param {ArrayBuffer} buffer - The raw texture data. + * @return {DataTextureLoader~TexData} An object representing the parsed texture data. + */ + parse(buffer) { + function tgaCheckHeader(header2) { + switch (header2.image_type) { + // check indexed type + case TGA_TYPE_INDEXED: + case TGA_TYPE_RLE_INDEXED: + if (header2.colormap_length > 256 || header2.colormap_size !== 24 || header2.colormap_type !== 1) { + throw new Error("THREE.TGALoader: Invalid type colormap data for indexed type."); + } + break; + // check colormap type + case TGA_TYPE_RGB: + case TGA_TYPE_GREY: + case TGA_TYPE_RLE_RGB: + case TGA_TYPE_RLE_GREY: + if (header2.colormap_type) { + throw new Error("THREE.TGALoader: Invalid type colormap data for colormap type."); + } + break; + // What the need of a file without data ? + case TGA_TYPE_NO_DATA: + throw new Error("THREE.TGALoader: No data."); + // Invalid type ? + default: + throw new Error("THREE.TGALoader: Invalid type " + header2.image_type); + } + if (header2.width <= 0 || header2.height <= 0) { + throw new Error("THREE.TGALoader: Invalid image size."); + } + if (header2.pixel_size !== 8 && header2.pixel_size !== 16 && header2.pixel_size !== 24 && header2.pixel_size !== 32) { + throw new Error("THREE.TGALoader: Invalid pixel size " + header2.pixel_size); + } + } + function tgaParse(use_rle2, use_pal2, header2, offset2, data) { + let pixel_data, palettes; + const pixel_size = header2.pixel_size >> 3; + const pixel_total = header2.width * header2.height * pixel_size; + if (use_pal2) { + palettes = data.subarray(offset2, offset2 += header2.colormap_length * (header2.colormap_size >> 3)); + } + if (use_rle2) { + pixel_data = new Uint8Array(pixel_total); + let c, count, i; + let shift = 0; + const pixels = new Uint8Array(pixel_size); + while (shift < pixel_total) { + c = data[offset2++]; + count = (c & 127) + 1; + if (c & 128) { + for (i = 0; i < pixel_size; ++i) { + pixels[i] = data[offset2++]; + } + for (i = 0; i < count; ++i) { + pixel_data.set(pixels, shift + i * pixel_size); + } + shift += pixel_size * count; + } else { + count *= pixel_size; + for (i = 0; i < count; ++i) { + pixel_data[shift + i] = data[offset2++]; + } + shift += count; + } + } + } else { + pixel_data = data.subarray( + offset2, + offset2 += use_pal2 ? header2.width * header2.height : pixel_total + ); + } + return { + pixel_data, + palettes + }; + } + function tgaGetImageData8bits(imageData2, y_start, y_step, y_end, x_start, x_step, x_end, image, palettes) { + const colormap = palettes; + let color, i = 0, x, y; + const width = header.width; + for (y = y_start; y !== y_end; y += y_step) { + for (x = x_start; x !== x_end; x += x_step, i++) { + color = image[i]; + imageData2[(x + width * y) * 4 + 3] = 255; + imageData2[(x + width * y) * 4 + 2] = colormap[color * 3 + 0]; + imageData2[(x + width * y) * 4 + 1] = colormap[color * 3 + 1]; + imageData2[(x + width * y) * 4 + 0] = colormap[color * 3 + 2]; + } + } + return imageData2; + } + function tgaGetImageData16bits(imageData2, y_start, y_step, y_end, x_start, x_step, x_end, image) { + let color, i = 0, x, y; + const width = header.width; + for (y = y_start; y !== y_end; y += y_step) { + for (x = x_start; x !== x_end; x += x_step, i += 2) { + color = image[i + 0] + (image[i + 1] << 8); + imageData2[(x + width * y) * 4 + 0] = (color & 31744) >> 7; + imageData2[(x + width * y) * 4 + 1] = (color & 992) >> 2; + imageData2[(x + width * y) * 4 + 2] = (color & 31) << 3; + imageData2[(x + width * y) * 4 + 3] = color & 32768 ? 0 : 255; + } + } + return imageData2; + } + function tgaGetImageData24bits(imageData2, y_start, y_step, y_end, x_start, x_step, x_end, image) { + let i = 0, x, y; + const width = header.width; + for (y = y_start; y !== y_end; y += y_step) { + for (x = x_start; x !== x_end; x += x_step, i += 3) { + imageData2[(x + width * y) * 4 + 3] = 255; + imageData2[(x + width * y) * 4 + 2] = image[i + 0]; + imageData2[(x + width * y) * 4 + 1] = image[i + 1]; + imageData2[(x + width * y) * 4 + 0] = image[i + 2]; + } + } + return imageData2; + } + function tgaGetImageData32bits(imageData2, y_start, y_step, y_end, x_start, x_step, x_end, image) { + let i = 0, x, y; + const width = header.width; + for (y = y_start; y !== y_end; y += y_step) { + for (x = x_start; x !== x_end; x += x_step, i += 4) { + imageData2[(x + width * y) * 4 + 2] = image[i + 0]; + imageData2[(x + width * y) * 4 + 1] = image[i + 1]; + imageData2[(x + width * y) * 4 + 0] = image[i + 2]; + imageData2[(x + width * y) * 4 + 3] = image[i + 3]; + } + } + return imageData2; + } + function tgaGetImageDataGrey8bits(imageData2, y_start, y_step, y_end, x_start, x_step, x_end, image) { + let color, i = 0, x, y; + const width = header.width; + for (y = y_start; y !== y_end; y += y_step) { + for (x = x_start; x !== x_end; x += x_step, i++) { + color = image[i]; + imageData2[(x + width * y) * 4 + 0] = color; + imageData2[(x + width * y) * 4 + 1] = color; + imageData2[(x + width * y) * 4 + 2] = color; + imageData2[(x + width * y) * 4 + 3] = 255; + } + } + return imageData2; + } + function tgaGetImageDataGrey16bits(imageData2, y_start, y_step, y_end, x_start, x_step, x_end, image) { + let i = 0, x, y; + const width = header.width; + for (y = y_start; y !== y_end; y += y_step) { + for (x = x_start; x !== x_end; x += x_step, i += 2) { + imageData2[(x + width * y) * 4 + 0] = image[i + 0]; + imageData2[(x + width * y) * 4 + 1] = image[i + 0]; + imageData2[(x + width * y) * 4 + 2] = image[i + 0]; + imageData2[(x + width * y) * 4 + 3] = image[i + 1]; + } + } + return imageData2; + } + function getTgaRGBA(data, width, height, image, palette) { + let x_start, y_start, x_step, y_step, x_end, y_end; + switch ((header.flags & TGA_ORIGIN_MASK) >> TGA_ORIGIN_SHIFT) { + default: + case TGA_ORIGIN_UL: + x_start = 0; + x_step = 1; + x_end = width; + y_start = 0; + y_step = 1; + y_end = height; + break; + case TGA_ORIGIN_BL: + x_start = 0; + x_step = 1; + x_end = width; + y_start = height - 1; + y_step = -1; + y_end = -1; + break; + case TGA_ORIGIN_UR: + x_start = width - 1; + x_step = -1; + x_end = -1; + y_start = 0; + y_step = 1; + y_end = height; + break; + case TGA_ORIGIN_BR: + x_start = width - 1; + x_step = -1; + x_end = -1; + y_start = height - 1; + y_step = -1; + y_end = -1; + break; + } + if (use_grey) { + switch (header.pixel_size) { + case 8: + tgaGetImageDataGrey8bits(data, y_start, y_step, y_end, x_start, x_step, x_end, image); + break; + case 16: + tgaGetImageDataGrey16bits(data, y_start, y_step, y_end, x_start, x_step, x_end, image); + break; + default: + throw new Error("THREE.TGALoader: Format not supported."); + break; + } + } else { + switch (header.pixel_size) { + case 8: + tgaGetImageData8bits(data, y_start, y_step, y_end, x_start, x_step, x_end, image, palette); + break; + case 16: + tgaGetImageData16bits(data, y_start, y_step, y_end, x_start, x_step, x_end, image); + break; + case 24: + tgaGetImageData24bits(data, y_start, y_step, y_end, x_start, x_step, x_end, image); + break; + case 32: + tgaGetImageData32bits(data, y_start, y_step, y_end, x_start, x_step, x_end, image); + break; + default: + throw new Error("THREE.TGALoader: Format not supported."); + break; + } + } + return data; + } + const TGA_TYPE_NO_DATA = 0, TGA_TYPE_INDEXED = 1, TGA_TYPE_RGB = 2, TGA_TYPE_GREY = 3, TGA_TYPE_RLE_INDEXED = 9, TGA_TYPE_RLE_RGB = 10, TGA_TYPE_RLE_GREY = 11, TGA_ORIGIN_MASK = 48, TGA_ORIGIN_SHIFT = 4, TGA_ORIGIN_BL = 0, TGA_ORIGIN_BR = 1, TGA_ORIGIN_UL = 2, TGA_ORIGIN_UR = 3; + if (buffer.length < 19) throw new Error("THREE.TGALoader: Not enough data to contain header."); + let offset = 0; + const content = new Uint8Array(buffer), header = { + id_length: content[offset++], + colormap_type: content[offset++], + image_type: content[offset++], + colormap_index: content[offset++] | content[offset++] << 8, + colormap_length: content[offset++] | content[offset++] << 8, + colormap_size: content[offset++], + origin: [ + content[offset++] | content[offset++] << 8, + content[offset++] | content[offset++] << 8 + ], + width: content[offset++] | content[offset++] << 8, + height: content[offset++] | content[offset++] << 8, + pixel_size: content[offset++], + flags: content[offset++] + }; + tgaCheckHeader(header); + if (header.id_length + offset > buffer.length) { + throw new Error("THREE.TGALoader: No data."); + } + offset += header.id_length; + let use_rle = false, use_pal = false, use_grey = false; + switch (header.image_type) { + case TGA_TYPE_RLE_INDEXED: + use_rle = true; + use_pal = true; + break; + case TGA_TYPE_INDEXED: + use_pal = true; + break; + case TGA_TYPE_RLE_RGB: + use_rle = true; + break; + case TGA_TYPE_RGB: + break; + case TGA_TYPE_RLE_GREY: + use_rle = true; + use_grey = true; + break; + case TGA_TYPE_GREY: + use_grey = true; + break; + } + const imageData = new Uint8Array(header.width * header.height * 4); + const result = tgaParse(use_rle, use_pal, header, offset, content); + getTgaRGBA(imageData, header.width, header.height, result.pixel_data, result.palettes); + return { + data: imageData, + width: header.width, + height: header.height, + flipY: true, + generateMipmaps: true, + minFilter: LinearMipmapLinearFilter + }; + } +}; + +// node_modules/three/examples/jsm/loaders/ColladaLoader.js +var ColladaLoader = class extends Loader { + /** + * Starts loading from the given URL and passes the loaded Collada asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({scene:Group,animations:Array,kinematics:Object})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const path = scope.path === "" ? LoaderUtils.extractUrlBase(url) : scope.path; + const loader = new FileLoader(scope.manager); + loader.setPath(scope.path); + loader.setRequestHeader(scope.requestHeader); + loader.setWithCredentials(scope.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(text, path)); + } catch (e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + /** + * Parses the given Collada data and returns a result object holding the parsed scene, + * an array of animation clips and kinematics. + * + * @param {string} text - The raw Collada data as a string. + * @param {string} [path] - The asset path. + * @return {?{scene:Group,animations:Array,kinematics:Object}} An object representing the parsed asset. + */ + parse(text, path) { + function getElementsByTagName(xml2, name) { + const array = []; + const childNodes = xml2.childNodes; + for (let i = 0, l = childNodes.length; i < l; i++) { + const child = childNodes[i]; + if (child.nodeName === name) { + array.push(child); + } + } + return array; + } + function parseStrings(text2) { + if (text2.length === 0) return []; + const parts = text2.trim().split(/\s+/); + const array = new Array(parts.length); + for (let i = 0, l = parts.length; i < l; i++) { + array[i] = parts[i]; + } + return array; + } + function parseFloats(text2) { + if (text2.length === 0) return []; + const parts = text2.trim().split(/\s+/); + const array = new Array(parts.length); + for (let i = 0, l = parts.length; i < l; i++) { + array[i] = parseFloat(parts[i]); + } + return array; + } + function parseInts(text2) { + if (text2.length === 0) return []; + const parts = text2.trim().split(/\s+/); + const array = new Array(parts.length); + for (let i = 0, l = parts.length; i < l; i++) { + array[i] = parseInt(parts[i]); + } + return array; + } + function parseId(text2) { + return text2.substring(1); + } + function generateId() { + return "three_default_" + count++; + } + function isEmpty(object) { + return Object.keys(object).length === 0; + } + function parseAsset(xml2) { + return { + unit: parseAssetUnit(getElementsByTagName(xml2, "unit")[0]), + upAxis: parseAssetUpAxis(getElementsByTagName(xml2, "up_axis")[0]) + }; + } + function parseAssetUnit(xml2) { + if (xml2 !== void 0 && xml2.hasAttribute("meter") === true) { + return parseFloat(xml2.getAttribute("meter")); + } else { + return 1; + } + } + function parseAssetUpAxis(xml2) { + return xml2 !== void 0 ? xml2.textContent : "Y_UP"; + } + function parseLibrary(xml2, libraryName, nodeName, parser) { + const library2 = getElementsByTagName(xml2, libraryName)[0]; + if (library2 !== void 0) { + const elements = getElementsByTagName(library2, nodeName); + for (let i = 0; i < elements.length; i++) { + parser(elements[i]); + } + } + } + function buildLibrary(data, builder) { + for (const name in data) { + const object = data[name]; + object.build = builder(data[name]); + } + } + function getBuild(data, builder) { + if (data.build !== void 0) return data.build; + data.build = builder(data); + return data.build; + } + function parseAnimation(xml2) { + const data = { + sources: {}, + samplers: {}, + channels: {} + }; + let hasChildren = false; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + let id; + switch (child.nodeName) { + case "source": + id = child.getAttribute("id"); + data.sources[id] = parseSource(child); + break; + case "sampler": + id = child.getAttribute("id"); + data.samplers[id] = parseAnimationSampler(child); + break; + case "channel": + id = child.getAttribute("target"); + data.channels[id] = parseAnimationChannel(child); + break; + case "animation": + parseAnimation(child); + hasChildren = true; + break; + default: + console.log(child); + } + } + if (hasChildren === false) { + library.animations[xml2.getAttribute("id") || MathUtils.generateUUID()] = data; + } + } + function parseAnimationSampler(xml2) { + const data = { + inputs: {} + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "input": + const id = parseId(child.getAttribute("source")); + const semantic = child.getAttribute("semantic"); + data.inputs[semantic] = id; + break; + } + } + return data; + } + function parseAnimationChannel(xml2) { + const data = {}; + const target = xml2.getAttribute("target"); + let parts = target.split("/"); + const id = parts.shift(); + let sid = parts.shift(); + const arraySyntax = sid.indexOf("(") !== -1; + const memberSyntax = sid.indexOf(".") !== -1; + if (memberSyntax) { + parts = sid.split("."); + sid = parts.shift(); + data.member = parts.shift(); + } else if (arraySyntax) { + const indices = sid.split("("); + sid = indices.shift(); + for (let i = 0; i < indices.length; i++) { + indices[i] = parseInt(indices[i].replace(/\)/, "")); + } + data.indices = indices; + } + data.id = id; + data.sid = sid; + data.arraySyntax = arraySyntax; + data.memberSyntax = memberSyntax; + data.sampler = parseId(xml2.getAttribute("source")); + return data; + } + function buildAnimation(data) { + const tracks = []; + const channels = data.channels; + const samplers = data.samplers; + const sources = data.sources; + for (const target in channels) { + if (channels.hasOwnProperty(target)) { + const channel = channels[target]; + const sampler = samplers[channel.sampler]; + const inputId = sampler.inputs.INPUT; + const outputId = sampler.inputs.OUTPUT; + const inputSource = sources[inputId]; + const outputSource = sources[outputId]; + const animation = buildAnimationChannel(channel, inputSource, outputSource); + createKeyframeTracks(animation, tracks); + } + } + return tracks; + } + function getAnimation(id) { + return getBuild(library.animations[id], buildAnimation); + } + function buildAnimationChannel(channel, inputSource, outputSource) { + const node = library.nodes[channel.id]; + const object3D = getNode(node.id); + const transform = node.transforms[channel.sid]; + const defaultMatrix = node.matrix.clone().transpose(); + let time, stride; + let i, il, j, jl; + const data = {}; + switch (transform) { + case "matrix": + for (i = 0, il = inputSource.array.length; i < il; i++) { + time = inputSource.array[i]; + stride = i * outputSource.stride; + if (data[time] === void 0) data[time] = {}; + if (channel.arraySyntax === true) { + const value = outputSource.array[stride]; + const index = channel.indices[0] + 4 * channel.indices[1]; + data[time][index] = value; + } else { + for (j = 0, jl = outputSource.stride; j < jl; j++) { + data[time][j] = outputSource.array[stride + j]; + } + } + } + break; + case "translate": + console.warn('THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform); + break; + case "rotate": + console.warn('THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform); + break; + case "scale": + console.warn('THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform); + break; + } + const keyframes = prepareAnimationData(data, defaultMatrix); + const animation = { + name: object3D.uuid, + keyframes + }; + return animation; + } + function prepareAnimationData(data, defaultMatrix) { + const keyframes = []; + for (const time in data) { + keyframes.push({ time: parseFloat(time), value: data[time] }); + } + keyframes.sort(ascending); + for (let i = 0; i < 16; i++) { + transformAnimationData(keyframes, i, defaultMatrix.elements[i]); + } + return keyframes; + function ascending(a, b) { + return a.time - b.time; + } + } + const position = new Vector3(); + const scale = new Vector3(); + const quaternion = new Quaternion(); + function createKeyframeTracks(animation, tracks) { + const keyframes = animation.keyframes; + const name = animation.name; + const times = []; + const positionData = []; + const quaternionData = []; + const scaleData = []; + for (let i = 0, l = keyframes.length; i < l; i++) { + const keyframe = keyframes[i]; + const time = keyframe.time; + const value = keyframe.value; + matrix.fromArray(value).transpose(); + matrix.decompose(position, quaternion, scale); + times.push(time); + positionData.push(position.x, position.y, position.z); + quaternionData.push(quaternion.x, quaternion.y, quaternion.z, quaternion.w); + scaleData.push(scale.x, scale.y, scale.z); + } + if (positionData.length > 0) tracks.push(new VectorKeyframeTrack(name + ".position", times, positionData)); + if (quaternionData.length > 0) tracks.push(new QuaternionKeyframeTrack(name + ".quaternion", times, quaternionData)); + if (scaleData.length > 0) tracks.push(new VectorKeyframeTrack(name + ".scale", times, scaleData)); + return tracks; + } + function transformAnimationData(keyframes, property, defaultValue) { + let keyframe; + let empty = true; + let i, l; + for (i = 0, l = keyframes.length; i < l; i++) { + keyframe = keyframes[i]; + if (keyframe.value[property] === void 0) { + keyframe.value[property] = null; + } else { + empty = false; + } + } + if (empty === true) { + for (i = 0, l = keyframes.length; i < l; i++) { + keyframe = keyframes[i]; + keyframe.value[property] = defaultValue; + } + } else { + createMissingKeyframes(keyframes, property); + } + } + function createMissingKeyframes(keyframes, property) { + let prev, next; + for (let i = 0, l = keyframes.length; i < l; i++) { + const keyframe = keyframes[i]; + if (keyframe.value[property] === null) { + prev = getPrev(keyframes, i, property); + next = getNext(keyframes, i, property); + if (prev === null) { + keyframe.value[property] = next.value[property]; + continue; + } + if (next === null) { + keyframe.value[property] = prev.value[property]; + continue; + } + interpolate(keyframe, prev, next, property); + } + } + } + function getPrev(keyframes, i, property) { + while (i >= 0) { + const keyframe = keyframes[i]; + if (keyframe.value[property] !== null) return keyframe; + i--; + } + return null; + } + function getNext(keyframes, i, property) { + while (i < keyframes.length) { + const keyframe = keyframes[i]; + if (keyframe.value[property] !== null) return keyframe; + i++; + } + return null; + } + function interpolate(key, prev, next, property) { + if (next.time - prev.time === 0) { + key.value[property] = prev.value[property]; + return; + } + key.value[property] = (key.time - prev.time) * (next.value[property] - prev.value[property]) / (next.time - prev.time) + prev.value[property]; + } + function parseAnimationClip(xml2) { + const data = { + name: xml2.getAttribute("id") || "default", + start: parseFloat(xml2.getAttribute("start") || 0), + end: parseFloat(xml2.getAttribute("end") || 0), + animations: [] + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "instance_animation": + data.animations.push(parseId(child.getAttribute("url"))); + break; + } + } + library.clips[xml2.getAttribute("id")] = data; + } + function buildAnimationClip(data) { + const tracks = []; + const name = data.name; + const duration = data.end - data.start || -1; + const animations2 = data.animations; + for (let i = 0, il = animations2.length; i < il; i++) { + const animationTracks = getAnimation(animations2[i]); + for (let j = 0, jl = animationTracks.length; j < jl; j++) { + tracks.push(animationTracks[j]); + } + } + return new AnimationClip(name, duration, tracks); + } + function getAnimationClip(id) { + return getBuild(library.clips[id], buildAnimationClip); + } + function parseController(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "skin": + data.id = parseId(child.getAttribute("source")); + data.skin = parseSkin(child); + break; + case "morph": + data.id = parseId(child.getAttribute("source")); + console.warn("THREE.ColladaLoader: Morph target animation not supported yet."); + break; + } + } + library.controllers[xml2.getAttribute("id")] = data; + } + function parseSkin(xml2) { + const data = { + sources: {} + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "bind_shape_matrix": + data.bindShapeMatrix = parseFloats(child.textContent); + break; + case "source": + const id = child.getAttribute("id"); + data.sources[id] = parseSource(child); + break; + case "joints": + data.joints = parseJoints(child); + break; + case "vertex_weights": + data.vertexWeights = parseVertexWeights(child); + break; + } + } + return data; + } + function parseJoints(xml2) { + const data = { + inputs: {} + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "input": + const semantic = child.getAttribute("semantic"); + const id = parseId(child.getAttribute("source")); + data.inputs[semantic] = id; + break; + } + } + return data; + } + function parseVertexWeights(xml2) { + const data = { + inputs: {} + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "input": + const semantic = child.getAttribute("semantic"); + const id = parseId(child.getAttribute("source")); + const offset = parseInt(child.getAttribute("offset")); + data.inputs[semantic] = { id, offset }; + break; + case "vcount": + data.vcount = parseInts(child.textContent); + break; + case "v": + data.v = parseInts(child.textContent); + break; + } + } + return data; + } + function buildController(data) { + const build = { + id: data.id + }; + const geometry = library.geometries[build.id]; + if (data.skin !== void 0) { + build.skin = buildSkin(data.skin); + geometry.sources.skinIndices = build.skin.indices; + geometry.sources.skinWeights = build.skin.weights; + } + return build; + } + function buildSkin(data) { + const BONE_LIMIT = 4; + const build = { + joints: [], + // this must be an array to preserve the joint order + indices: { + array: [], + stride: BONE_LIMIT + }, + weights: { + array: [], + stride: BONE_LIMIT + } + }; + const sources = data.sources; + const vertexWeights = data.vertexWeights; + const vcount = vertexWeights.vcount; + const v = vertexWeights.v; + const jointOffset = vertexWeights.inputs.JOINT.offset; + const weightOffset = vertexWeights.inputs.WEIGHT.offset; + const jointSource = data.sources[data.joints.inputs.JOINT]; + const inverseSource = data.sources[data.joints.inputs.INV_BIND_MATRIX]; + const weights = sources[vertexWeights.inputs.WEIGHT.id].array; + let stride = 0; + let i, j, l; + for (i = 0, l = vcount.length; i < l; i++) { + const jointCount = vcount[i]; + const vertexSkinData = []; + for (j = 0; j < jointCount; j++) { + const skinIndex = v[stride + jointOffset]; + const weightId = v[stride + weightOffset]; + const skinWeight = weights[weightId]; + vertexSkinData.push({ index: skinIndex, weight: skinWeight }); + stride += 2; + } + vertexSkinData.sort(descending); + for (j = 0; j < BONE_LIMIT; j++) { + const d = vertexSkinData[j]; + if (d !== void 0) { + build.indices.array.push(d.index); + build.weights.array.push(d.weight); + } else { + build.indices.array.push(0); + build.weights.array.push(0); + } + } + } + if (data.bindShapeMatrix) { + build.bindMatrix = new Matrix4().fromArray(data.bindShapeMatrix).transpose(); + } else { + build.bindMatrix = new Matrix4().identity(); + } + for (i = 0, l = jointSource.array.length; i < l; i++) { + const name = jointSource.array[i]; + const boneInverse = new Matrix4().fromArray(inverseSource.array, i * inverseSource.stride).transpose(); + build.joints.push({ name, boneInverse }); + } + return build; + function descending(a, b) { + return b.weight - a.weight; + } + } + function getController(id) { + return getBuild(library.controllers[id], buildController); + } + function parseImage(xml2) { + const data = { + init_from: getElementsByTagName(xml2, "init_from")[0].textContent + }; + library.images[xml2.getAttribute("id")] = data; + } + function buildImage(data) { + if (data.build !== void 0) return data.build; + return data.init_from; + } + function getImage(id) { + const data = library.images[id]; + if (data !== void 0) { + return getBuild(data, buildImage); + } + console.warn("THREE.ColladaLoader: Couldn't find image with ID:", id); + return null; + } + function parseEffect(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "profile_COMMON": + data.profile = parseEffectProfileCOMMON(child); + break; + } + } + library.effects[xml2.getAttribute("id")] = data; + } + function parseEffectProfileCOMMON(xml2) { + const data = { + surfaces: {}, + samplers: {} + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "newparam": + parseEffectNewparam(child, data); + break; + case "technique": + data.technique = parseEffectTechnique(child); + break; + case "extra": + data.extra = parseEffectExtra(child); + break; + } + } + return data; + } + function parseEffectNewparam(xml2, data) { + const sid = xml2.getAttribute("sid"); + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "surface": + data.surfaces[sid] = parseEffectSurface(child); + break; + case "sampler2D": + data.samplers[sid] = parseEffectSampler(child); + break; + } + } + } + function parseEffectSurface(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "init_from": + data.init_from = child.textContent; + break; + } + } + return data; + } + function parseEffectSampler(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "source": + data.source = child.textContent; + break; + } + } + return data; + } + function parseEffectTechnique(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "constant": + case "lambert": + case "blinn": + case "phong": + data.type = child.nodeName; + data.parameters = parseEffectParameters(child); + break; + case "extra": + data.extra = parseEffectExtra(child); + break; + } + } + return data; + } + function parseEffectParameters(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "emission": + case "diffuse": + case "specular": + case "bump": + case "ambient": + case "shininess": + case "transparency": + data[child.nodeName] = parseEffectParameter(child); + break; + case "transparent": + data[child.nodeName] = { + opaque: child.hasAttribute("opaque") ? child.getAttribute("opaque") : "A_ONE", + data: parseEffectParameter(child) + }; + break; + } + } + return data; + } + function parseEffectParameter(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "color": + data[child.nodeName] = parseFloats(child.textContent); + break; + case "float": + data[child.nodeName] = parseFloat(child.textContent); + break; + case "texture": + data[child.nodeName] = { id: child.getAttribute("texture"), extra: parseEffectParameterTexture(child) }; + break; + } + } + return data; + } + function parseEffectParameterTexture(xml2) { + const data = { + technique: {} + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "extra": + parseEffectParameterTextureExtra(child, data); + break; + } + } + return data; + } + function parseEffectParameterTextureExtra(xml2, data) { + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "technique": + parseEffectParameterTextureExtraTechnique(child, data); + break; + } + } + } + function parseEffectParameterTextureExtraTechnique(xml2, data) { + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "repeatU": + case "repeatV": + case "offsetU": + case "offsetV": + data.technique[child.nodeName] = parseFloat(child.textContent); + break; + case "wrapU": + case "wrapV": + if (child.textContent.toUpperCase() === "TRUE") { + data.technique[child.nodeName] = 1; + } else if (child.textContent.toUpperCase() === "FALSE") { + data.technique[child.nodeName] = 0; + } else { + data.technique[child.nodeName] = parseInt(child.textContent); + } + break; + case "bump": + data[child.nodeName] = parseEffectExtraTechniqueBump(child); + break; + } + } + } + function parseEffectExtra(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "technique": + data.technique = parseEffectExtraTechnique(child); + break; + } + } + return data; + } + function parseEffectExtraTechnique(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "double_sided": + data[child.nodeName] = parseInt(child.textContent); + break; + case "bump": + data[child.nodeName] = parseEffectExtraTechniqueBump(child); + break; + } + } + return data; + } + function parseEffectExtraTechniqueBump(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "texture": + data[child.nodeName] = { id: child.getAttribute("texture"), texcoord: child.getAttribute("texcoord"), extra: parseEffectParameterTexture(child) }; + break; + } + } + return data; + } + function buildEffect(data) { + return data; + } + function getEffect(id) { + return getBuild(library.effects[id], buildEffect); + } + function parseMaterial(xml2) { + const data = { + name: xml2.getAttribute("name") + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "instance_effect": + data.url = parseId(child.getAttribute("url")); + break; + } + } + library.materials[xml2.getAttribute("id")] = data; + } + function getTextureLoader(image) { + let loader; + let extension = image.slice((image.lastIndexOf(".") - 1 >>> 0) + 2); + extension = extension.toLowerCase(); + switch (extension) { + case "tga": + loader = tgaLoader; + break; + default: + loader = textureLoader; + } + return loader; + } + function buildMaterial(data) { + const effect = getEffect(data.url); + const technique = effect.profile.technique; + let material; + switch (technique.type) { + case "phong": + case "blinn": + material = new MeshPhongMaterial(); + break; + case "lambert": + material = new MeshLambertMaterial(); + break; + default: + material = new MeshBasicMaterial(); + break; + } + material.name = data.name || ""; + function getTexture(textureObject, colorSpace = null) { + const sampler = effect.profile.samplers[textureObject.id]; + let image = null; + if (sampler !== void 0) { + const surface = effect.profile.surfaces[sampler.source]; + image = getImage(surface.init_from); + } else { + console.warn("THREE.ColladaLoader: Undefined sampler. Access image directly (see #12530)."); + image = getImage(textureObject.id); + } + if (image !== null) { + const loader = getTextureLoader(image); + if (loader !== void 0) { + const texture = loader.load(image); + const extra = textureObject.extra; + if (extra !== void 0 && extra.technique !== void 0 && isEmpty(extra.technique) === false) { + const technique2 = extra.technique; + texture.wrapS = technique2.wrapU ? RepeatWrapping : ClampToEdgeWrapping; + texture.wrapT = technique2.wrapV ? RepeatWrapping : ClampToEdgeWrapping; + texture.offset.set(technique2.offsetU || 0, technique2.offsetV || 0); + texture.repeat.set(technique2.repeatU || 1, technique2.repeatV || 1); + } else { + texture.wrapS = RepeatWrapping; + texture.wrapT = RepeatWrapping; + } + if (colorSpace !== null) { + texture.colorSpace = colorSpace; + } + return texture; + } else { + console.warn("THREE.ColladaLoader: Loader for texture %s not found.", image); + return null; + } + } else { + console.warn("THREE.ColladaLoader: Couldn't create texture with ID:", textureObject.id); + return null; + } + } + const parameters = technique.parameters; + for (const key in parameters) { + const parameter = parameters[key]; + switch (key) { + case "diffuse": + if (parameter.color) material.color.fromArray(parameter.color); + if (parameter.texture) material.map = getTexture(parameter.texture, SRGBColorSpace); + break; + case "specular": + if (parameter.color && material.specular) material.specular.fromArray(parameter.color); + if (parameter.texture) material.specularMap = getTexture(parameter.texture); + break; + case "bump": + if (parameter.texture) material.normalMap = getTexture(parameter.texture); + break; + case "ambient": + if (parameter.texture) material.lightMap = getTexture(parameter.texture, SRGBColorSpace); + break; + case "shininess": + if (parameter.float && material.shininess) material.shininess = parameter.float; + break; + case "emission": + if (parameter.color && material.emissive) material.emissive.fromArray(parameter.color); + if (parameter.texture) material.emissiveMap = getTexture(parameter.texture, SRGBColorSpace); + break; + } + } + ColorManagement.colorSpaceToWorking(material.color, SRGBColorSpace); + if (material.specular) ColorManagement.colorSpaceToWorking(material.specular, SRGBColorSpace); + if (material.emissive) ColorManagement.colorSpaceToWorking(material.emissive, SRGBColorSpace); + let transparent = parameters["transparent"]; + let transparency = parameters["transparency"]; + if (transparency === void 0 && transparent) { + transparency = { + float: 1 + }; + } + if (transparent === void 0 && transparency) { + transparent = { + opaque: "A_ONE", + data: { + color: [1, 1, 1, 1] + } + }; + } + if (transparent && transparency) { + if (transparent.data.texture) { + material.transparent = true; + } else { + const color = transparent.data.color; + switch (transparent.opaque) { + case "A_ONE": + material.opacity = color[3] * transparency.float; + break; + case "RGB_ZERO": + material.opacity = 1 - color[0] * transparency.float; + break; + case "A_ZERO": + material.opacity = 1 - color[3] * transparency.float; + break; + case "RGB_ONE": + material.opacity = color[0] * transparency.float; + break; + default: + console.warn('THREE.ColladaLoader: Invalid opaque type "%s" of transparent tag.', transparent.opaque); + } + if (material.opacity < 1) material.transparent = true; + } + } + if (technique.extra !== void 0 && technique.extra.technique !== void 0) { + const techniques = technique.extra.technique; + for (const k in techniques) { + const v = techniques[k]; + switch (k) { + case "double_sided": + material.side = v === 1 ? DoubleSide : FrontSide; + break; + case "bump": + material.normalMap = getTexture(v.texture); + material.normalScale = new Vector2(1, 1); + break; + } + } + } + return material; + } + function getMaterial(id) { + return getBuild(library.materials[id], buildMaterial); + } + function parseCamera(xml2) { + const data = { + name: xml2.getAttribute("name") + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "optics": + data.optics = parseCameraOptics(child); + break; + } + } + library.cameras[xml2.getAttribute("id")] = data; + } + function parseCameraOptics(xml2) { + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + switch (child.nodeName) { + case "technique_common": + return parseCameraTechnique(child); + } + } + return {}; + } + function parseCameraTechnique(xml2) { + const data = {}; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + switch (child.nodeName) { + case "perspective": + case "orthographic": + data.technique = child.nodeName; + data.parameters = parseCameraParameters(child); + break; + } + } + return data; + } + function parseCameraParameters(xml2) { + const data = {}; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + switch (child.nodeName) { + case "xfov": + case "yfov": + case "xmag": + case "ymag": + case "znear": + case "zfar": + case "aspect_ratio": + data[child.nodeName] = parseFloat(child.textContent); + break; + } + } + return data; + } + function buildCamera(data) { + let camera; + switch (data.optics.technique) { + case "perspective": + camera = new PerspectiveCamera( + data.optics.parameters.yfov, + data.optics.parameters.aspect_ratio, + data.optics.parameters.znear, + data.optics.parameters.zfar + ); + break; + case "orthographic": + let ymag = data.optics.parameters.ymag; + let xmag = data.optics.parameters.xmag; + const aspectRatio = data.optics.parameters.aspect_ratio; + xmag = xmag === void 0 ? ymag * aspectRatio : xmag; + ymag = ymag === void 0 ? xmag / aspectRatio : ymag; + xmag *= 0.5; + ymag *= 0.5; + camera = new OrthographicCamera( + -xmag, + xmag, + ymag, + -ymag, + // left, right, top, bottom + data.optics.parameters.znear, + data.optics.parameters.zfar + ); + break; + default: + camera = new PerspectiveCamera(); + break; + } + camera.name = data.name || ""; + return camera; + } + function getCamera(id) { + const data = library.cameras[id]; + if (data !== void 0) { + return getBuild(data, buildCamera); + } + console.warn("THREE.ColladaLoader: Couldn't find camera with ID:", id); + return null; + } + function parseLight(xml2) { + let data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "technique_common": + data = parseLightTechnique(child); + break; + } + } + library.lights[xml2.getAttribute("id")] = data; + } + function parseLightTechnique(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "directional": + case "point": + case "spot": + case "ambient": + data.technique = child.nodeName; + data.parameters = parseLightParameters(child); + } + } + return data; + } + function parseLightParameters(xml2) { + const data = {}; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "color": + const array = parseFloats(child.textContent); + data.color = new Color().fromArray(array); + ColorManagement.colorSpaceToWorking(data.color, SRGBColorSpace); + break; + case "falloff_angle": + data.falloffAngle = parseFloat(child.textContent); + break; + case "quadratic_attenuation": + const f = parseFloat(child.textContent); + data.distance = f ? Math.sqrt(1 / f) : 0; + break; + } + } + return data; + } + function buildLight(data) { + let light; + switch (data.technique) { + case "directional": + light = new DirectionalLight(); + break; + case "point": + light = new PointLight(); + break; + case "spot": + light = new SpotLight(); + break; + case "ambient": + light = new AmbientLight(); + break; + } + if (data.parameters.color) light.color.copy(data.parameters.color); + if (data.parameters.distance) light.distance = data.parameters.distance; + return light; + } + function getLight(id) { + const data = library.lights[id]; + if (data !== void 0) { + return getBuild(data, buildLight); + } + console.warn("THREE.ColladaLoader: Couldn't find light with ID:", id); + return null; + } + function parseGeometry(xml2) { + const data = { + name: xml2.getAttribute("name"), + sources: {}, + vertices: {}, + primitives: [] + }; + const mesh = getElementsByTagName(xml2, "mesh")[0]; + if (mesh === void 0) return; + for (let i = 0; i < mesh.childNodes.length; i++) { + const child = mesh.childNodes[i]; + if (child.nodeType !== 1) continue; + const id = child.getAttribute("id"); + switch (child.nodeName) { + case "source": + data.sources[id] = parseSource(child); + break; + case "vertices": + data.vertices = parseGeometryVertices(child); + break; + case "polygons": + console.warn("THREE.ColladaLoader: Unsupported primitive type: ", child.nodeName); + break; + case "lines": + case "linestrips": + case "polylist": + case "triangles": + data.primitives.push(parseGeometryPrimitive(child)); + break; + default: + console.log(child); + } + } + library.geometries[xml2.getAttribute("id")] = data; + } + function parseSource(xml2) { + const data = { + array: [], + stride: 3 + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "float_array": + data.array = parseFloats(child.textContent); + break; + case "Name_array": + data.array = parseStrings(child.textContent); + break; + case "technique_common": + const accessor = getElementsByTagName(child, "accessor")[0]; + if (accessor !== void 0) { + data.stride = parseInt(accessor.getAttribute("stride")); + } + break; + } + } + return data; + } + function parseGeometryVertices(xml2) { + const data = {}; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + data[child.getAttribute("semantic")] = parseId(child.getAttribute("source")); + } + return data; + } + function parseGeometryPrimitive(xml2) { + const primitive = { + type: xml2.nodeName, + material: xml2.getAttribute("material"), + count: parseInt(xml2.getAttribute("count")), + inputs: {}, + stride: 0, + hasUV: false + }; + for (let i = 0, l = xml2.childNodes.length; i < l; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "input": + const id = parseId(child.getAttribute("source")); + const semantic = child.getAttribute("semantic"); + const offset = parseInt(child.getAttribute("offset")); + const set = parseInt(child.getAttribute("set")); + const inputname = set > 0 ? semantic + set : semantic; + primitive.inputs[inputname] = { id, offset }; + primitive.stride = Math.max(primitive.stride, offset + 1); + if (semantic === "TEXCOORD") primitive.hasUV = true; + break; + case "vcount": + primitive.vcount = parseInts(child.textContent); + break; + case "p": + primitive.p = parseInts(child.textContent); + break; + } + } + return primitive; + } + function groupPrimitives(primitives) { + const build = {}; + for (let i = 0; i < primitives.length; i++) { + const primitive = primitives[i]; + if (build[primitive.type] === void 0) build[primitive.type] = []; + build[primitive.type].push(primitive); + } + return build; + } + function checkUVCoordinates(primitives) { + let count2 = 0; + for (let i = 0, l = primitives.length; i < l; i++) { + const primitive = primitives[i]; + if (primitive.hasUV === true) { + count2++; + } + } + if (count2 > 0 && count2 < primitives.length) { + primitives.uvsNeedsFix = true; + } + } + function buildGeometry(data) { + const build = {}; + const sources = data.sources; + const vertices = data.vertices; + const primitives = data.primitives; + if (primitives.length === 0) return {}; + const groupedPrimitives = groupPrimitives(primitives); + for (const type in groupedPrimitives) { + const primitiveType = groupedPrimitives[type]; + checkUVCoordinates(primitiveType); + build[type] = buildGeometryType(primitiveType, sources, vertices); + } + return build; + } + function buildGeometryType(primitives, sources, vertices) { + const build = {}; + const position2 = { array: [], stride: 0 }; + const normal = { array: [], stride: 0 }; + const uv = { array: [], stride: 0 }; + const uv1 = { array: [], stride: 0 }; + const color = { array: [], stride: 0 }; + const skinIndex = { array: [], stride: 4 }; + const skinWeight = { array: [], stride: 4 }; + const geometry = new BufferGeometry(); + const materialKeys = []; + let start = 0; + for (let p = 0; p < primitives.length; p++) { + const primitive = primitives[p]; + const inputs = primitive.inputs; + let count2 = 0; + switch (primitive.type) { + case "lines": + case "linestrips": + count2 = primitive.count * 2; + break; + case "triangles": + count2 = primitive.count * 3; + break; + case "polylist": + for (let g = 0; g < primitive.count; g++) { + const vc = primitive.vcount[g]; + switch (vc) { + case 3: + count2 += 3; + break; + case 4: + count2 += 6; + break; + default: + count2 += (vc - 2) * 3; + break; + } + } + break; + default: + console.warn("THREE.ColladaLoader: Unknown primitive type:", primitive.type); + } + geometry.addGroup(start, count2, p); + start += count2; + if (primitive.material) { + materialKeys.push(primitive.material); + } + for (const name in inputs) { + const input = inputs[name]; + switch (name) { + case "VERTEX": + for (const key in vertices) { + const id = vertices[key]; + switch (key) { + case "POSITION": + const prevLength = position2.array.length; + buildGeometryData(primitive, sources[id], input.offset, position2.array); + position2.stride = sources[id].stride; + if (sources.skinWeights && sources.skinIndices) { + buildGeometryData(primitive, sources.skinIndices, input.offset, skinIndex.array); + buildGeometryData(primitive, sources.skinWeights, input.offset, skinWeight.array); + } + if (primitive.hasUV === false && primitives.uvsNeedsFix === true) { + const count3 = (position2.array.length - prevLength) / position2.stride; + for (let i = 0; i < count3; i++) { + uv.array.push(0, 0); + } + } + break; + case "NORMAL": + buildGeometryData(primitive, sources[id], input.offset, normal.array); + normal.stride = sources[id].stride; + break; + case "COLOR": + buildGeometryData(primitive, sources[id], input.offset, color.array); + color.stride = sources[id].stride; + break; + case "TEXCOORD": + buildGeometryData(primitive, sources[id], input.offset, uv.array); + uv.stride = sources[id].stride; + break; + case "TEXCOORD1": + buildGeometryData(primitive, sources[id], input.offset, uv1.array); + uv.stride = sources[id].stride; + break; + default: + console.warn('THREE.ColladaLoader: Semantic "%s" not handled in geometry build process.', key); + } + } + break; + case "NORMAL": + buildGeometryData(primitive, sources[input.id], input.offset, normal.array); + normal.stride = sources[input.id].stride; + break; + case "COLOR": + buildGeometryData(primitive, sources[input.id], input.offset, color.array, true); + color.stride = sources[input.id].stride; + break; + case "TEXCOORD": + buildGeometryData(primitive, sources[input.id], input.offset, uv.array); + uv.stride = sources[input.id].stride; + break; + case "TEXCOORD1": + buildGeometryData(primitive, sources[input.id], input.offset, uv1.array); + uv1.stride = sources[input.id].stride; + break; + } + } + } + if (position2.array.length > 0) geometry.setAttribute("position", new Float32BufferAttribute(position2.array, position2.stride)); + if (normal.array.length > 0) geometry.setAttribute("normal", new Float32BufferAttribute(normal.array, normal.stride)); + if (color.array.length > 0) geometry.setAttribute("color", new Float32BufferAttribute(color.array, color.stride)); + if (uv.array.length > 0) geometry.setAttribute("uv", new Float32BufferAttribute(uv.array, uv.stride)); + if (uv1.array.length > 0) geometry.setAttribute("uv1", new Float32BufferAttribute(uv1.array, uv1.stride)); + if (skinIndex.array.length > 0) geometry.setAttribute("skinIndex", new Float32BufferAttribute(skinIndex.array, skinIndex.stride)); + if (skinWeight.array.length > 0) geometry.setAttribute("skinWeight", new Float32BufferAttribute(skinWeight.array, skinWeight.stride)); + build.data = geometry; + build.type = primitives[0].type; + build.materialKeys = materialKeys; + return build; + } + function buildGeometryData(primitive, source, offset, array, isColor = false) { + const indices = primitive.p; + const stride = primitive.stride; + const vcount = primitive.vcount; + function pushVector(i) { + let index = indices[i + offset] * sourceStride; + const length = index + sourceStride; + for (; index < length; index++) { + array.push(sourceArray[index]); + } + if (isColor) { + const startIndex = array.length - sourceStride - 1; + tempColor.setRGB( + array[startIndex + 0], + array[startIndex + 1], + array[startIndex + 2], + SRGBColorSpace + ); + array[startIndex + 0] = tempColor.r; + array[startIndex + 1] = tempColor.g; + array[startIndex + 2] = tempColor.b; + } + } + const sourceArray = source.array; + const sourceStride = source.stride; + if (primitive.vcount !== void 0) { + let index = 0; + for (let i = 0, l = vcount.length; i < l; i++) { + const count2 = vcount[i]; + if (count2 === 4) { + const a = index + stride * 0; + const b = index + stride * 1; + const c = index + stride * 2; + const d = index + stride * 3; + pushVector(a); + pushVector(b); + pushVector(d); + pushVector(b); + pushVector(c); + pushVector(d); + } else if (count2 === 3) { + const a = index + stride * 0; + const b = index + stride * 1; + const c = index + stride * 2; + pushVector(a); + pushVector(b); + pushVector(c); + } else if (count2 > 4) { + for (let k = 1, kl = count2 - 2; k <= kl; k++) { + const a = index + stride * 0; + const b = index + stride * k; + const c = index + stride * (k + 1); + pushVector(a); + pushVector(b); + pushVector(c); + } + } + index += stride * count2; + } + } else { + for (let i = 0, l = indices.length; i < l; i += stride) { + pushVector(i); + } + } + } + function getGeometry(id) { + return getBuild(library.geometries[id], buildGeometry); + } + function parseKinematicsModel(xml2) { + const data = { + name: xml2.getAttribute("name") || "", + joints: {}, + links: [] + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "technique_common": + parseKinematicsTechniqueCommon(child, data); + break; + } + } + library.kinematicsModels[xml2.getAttribute("id")] = data; + } + function buildKinematicsModel(data) { + if (data.build !== void 0) return data.build; + return data; + } + function getKinematicsModel(id) { + return getBuild(library.kinematicsModels[id], buildKinematicsModel); + } + function parseKinematicsTechniqueCommon(xml2, data) { + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "joint": + data.joints[child.getAttribute("sid")] = parseKinematicsJoint(child); + break; + case "link": + data.links.push(parseKinematicsLink(child)); + break; + } + } + } + function parseKinematicsJoint(xml2) { + let data; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "prismatic": + case "revolute": + data = parseKinematicsJointParameter(child); + break; + } + } + return data; + } + function parseKinematicsJointParameter(xml2) { + const data = { + sid: xml2.getAttribute("sid"), + name: xml2.getAttribute("name") || "", + axis: new Vector3(), + limits: { + min: 0, + max: 0 + }, + type: xml2.nodeName, + static: false, + zeroPosition: 0, + middlePosition: 0 + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "axis": + const array = parseFloats(child.textContent); + data.axis.fromArray(array); + break; + case "limits": + const max = child.getElementsByTagName("max")[0]; + const min = child.getElementsByTagName("min")[0]; + data.limits.max = parseFloat(max.textContent); + data.limits.min = parseFloat(min.textContent); + break; + } + } + if (data.limits.min >= data.limits.max) { + data.static = true; + } + data.middlePosition = (data.limits.min + data.limits.max) / 2; + return data; + } + function parseKinematicsLink(xml2) { + const data = { + sid: xml2.getAttribute("sid"), + name: xml2.getAttribute("name") || "", + attachments: [], + transforms: [] + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "attachment_full": + data.attachments.push(parseKinematicsAttachment(child)); + break; + case "matrix": + case "translate": + case "rotate": + data.transforms.push(parseKinematicsTransform(child)); + break; + } + } + return data; + } + function parseKinematicsAttachment(xml2) { + const data = { + joint: xml2.getAttribute("joint").split("/").pop(), + transforms: [], + links: [] + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "link": + data.links.push(parseKinematicsLink(child)); + break; + case "matrix": + case "translate": + case "rotate": + data.transforms.push(parseKinematicsTransform(child)); + break; + } + } + return data; + } + function parseKinematicsTransform(xml2) { + const data = { + type: xml2.nodeName + }; + const array = parseFloats(xml2.textContent); + switch (data.type) { + case "matrix": + data.obj = new Matrix4(); + data.obj.fromArray(array).transpose(); + break; + case "translate": + data.obj = new Vector3(); + data.obj.fromArray(array); + break; + case "rotate": + data.obj = new Vector3(); + data.obj.fromArray(array); + data.angle = MathUtils.degToRad(array[3]); + break; + } + return data; + } + function parsePhysicsModel(xml2) { + const data = { + name: xml2.getAttribute("name") || "", + rigidBodies: {} + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "rigid_body": + data.rigidBodies[child.getAttribute("name")] = {}; + parsePhysicsRigidBody(child, data.rigidBodies[child.getAttribute("name")]); + break; + } + } + library.physicsModels[xml2.getAttribute("id")] = data; + } + function parsePhysicsRigidBody(xml2, data) { + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "technique_common": + parsePhysicsTechniqueCommon(child, data); + break; + } + } + } + function parsePhysicsTechniqueCommon(xml2, data) { + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "inertia": + data.inertia = parseFloats(child.textContent); + break; + case "mass": + data.mass = parseFloats(child.textContent)[0]; + break; + } + } + } + function parseKinematicsScene(xml2) { + const data = { + bindJointAxis: [] + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "bind_joint_axis": + data.bindJointAxis.push(parseKinematicsBindJointAxis(child)); + break; + } + } + library.kinematicsScenes[parseId(xml2.getAttribute("url"))] = data; + } + function parseKinematicsBindJointAxis(xml2) { + const data = { + target: xml2.getAttribute("target").split("/").pop() + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + switch (child.nodeName) { + case "axis": + const param = child.getElementsByTagName("param")[0]; + data.axis = param.textContent; + const tmpJointIndex = data.axis.split("inst_").pop().split("axis")[0]; + data.jointIndex = tmpJointIndex.substring(0, tmpJointIndex.length - 1); + break; + } + } + return data; + } + function buildKinematicsScene(data) { + if (data.build !== void 0) return data.build; + return data; + } + function getKinematicsScene(id) { + return getBuild(library.kinematicsScenes[id], buildKinematicsScene); + } + function setupKinematics() { + const kinematicsModelId = Object.keys(library.kinematicsModels)[0]; + const kinematicsSceneId = Object.keys(library.kinematicsScenes)[0]; + const visualSceneId = Object.keys(library.visualScenes)[0]; + if (kinematicsModelId === void 0 || kinematicsSceneId === void 0) return; + const kinematicsModel = getKinematicsModel(kinematicsModelId); + const kinematicsScene = getKinematicsScene(kinematicsSceneId); + const visualScene = getVisualScene(visualSceneId); + const bindJointAxis = kinematicsScene.bindJointAxis; + const jointMap = {}; + for (let i = 0, l = bindJointAxis.length; i < l; i++) { + const axis = bindJointAxis[i]; + const targetElement = collada.querySelector('[sid="' + axis.target + '"]'); + if (targetElement) { + const parentVisualElement = targetElement.parentElement; + connect(axis.jointIndex, parentVisualElement); + } + } + function connect(jointIndex, visualElement) { + const visualElementName = visualElement.getAttribute("name"); + const joint = kinematicsModel.joints[jointIndex]; + visualScene.traverse(function(object) { + if (object.name === visualElementName) { + jointMap[jointIndex] = { + object, + transforms: buildTransformList(visualElement), + joint, + position: joint.zeroPosition + }; + } + }); + } + const m0 = new Matrix4(); + kinematics = { + joints: kinematicsModel && kinematicsModel.joints, + getJointValue: function(jointIndex) { + const jointData = jointMap[jointIndex]; + if (jointData) { + return jointData.position; + } else { + console.warn("THREE.ColladaLoader: Joint " + jointIndex + " doesn't exist."); + } + }, + setJointValue: function(jointIndex, value) { + const jointData = jointMap[jointIndex]; + if (jointData) { + const joint = jointData.joint; + if (value > joint.limits.max || value < joint.limits.min) { + console.warn("THREE.ColladaLoader: Joint " + jointIndex + " value " + value + " outside of limits (min: " + joint.limits.min + ", max: " + joint.limits.max + ")."); + } else if (joint.static) { + console.warn("THREE.ColladaLoader: Joint " + jointIndex + " is static."); + } else { + const object = jointData.object; + const axis = joint.axis; + const transforms = jointData.transforms; + matrix.identity(); + for (let i = 0; i < transforms.length; i++) { + const transform = transforms[i]; + if (transform.sid && transform.sid.indexOf(jointIndex) !== -1) { + switch (joint.type) { + case "revolute": + matrix.multiply(m0.makeRotationAxis(axis, MathUtils.degToRad(value))); + break; + case "prismatic": + matrix.multiply(m0.makeTranslation(axis.x * value, axis.y * value, axis.z * value)); + break; + default: + console.warn("THREE.ColladaLoader: Unknown joint type: " + joint.type); + break; + } + } else { + switch (transform.type) { + case "matrix": + matrix.multiply(transform.obj); + break; + case "translate": + matrix.multiply(m0.makeTranslation(transform.obj.x, transform.obj.y, transform.obj.z)); + break; + case "scale": + matrix.scale(transform.obj); + break; + case "rotate": + matrix.multiply(m0.makeRotationAxis(transform.obj, transform.angle)); + break; + } + } + } + object.matrix.copy(matrix); + object.matrix.decompose(object.position, object.quaternion, object.scale); + jointMap[jointIndex].position = value; + } + } else { + console.log("THREE.ColladaLoader: " + jointIndex + " does not exist."); + } + } + }; + } + function buildTransformList(node) { + const transforms = []; + const xml2 = collada.querySelector('[id="' + node.id + '"]'); + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + let array, vector2; + switch (child.nodeName) { + case "matrix": + array = parseFloats(child.textContent); + const matrix2 = new Matrix4().fromArray(array).transpose(); + transforms.push({ + sid: child.getAttribute("sid"), + type: child.nodeName, + obj: matrix2 + }); + break; + case "translate": + case "scale": + array = parseFloats(child.textContent); + vector2 = new Vector3().fromArray(array); + transforms.push({ + sid: child.getAttribute("sid"), + type: child.nodeName, + obj: vector2 + }); + break; + case "rotate": + array = parseFloats(child.textContent); + vector2 = new Vector3().fromArray(array); + const angle = MathUtils.degToRad(array[3]); + transforms.push({ + sid: child.getAttribute("sid"), + type: child.nodeName, + obj: vector2, + angle + }); + break; + } + } + return transforms; + } + function prepareNodes(xml2) { + const elements = xml2.getElementsByTagName("node"); + for (let i = 0; i < elements.length; i++) { + const element = elements[i]; + if (element.hasAttribute("id") === false) { + element.setAttribute("id", generateId()); + } + } + } + const matrix = new Matrix4(); + const vector = new Vector3(); + function parseNode(xml2) { + const data = { + name: xml2.getAttribute("name") || "", + type: xml2.getAttribute("type"), + id: xml2.getAttribute("id"), + sid: xml2.getAttribute("sid"), + matrix: new Matrix4(), + nodes: [], + instanceCameras: [], + instanceControllers: [], + instanceLights: [], + instanceGeometries: [], + instanceNodes: [], + transforms: {} + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + if (child.nodeType !== 1) continue; + let array; + switch (child.nodeName) { + case "node": + data.nodes.push(child.getAttribute("id")); + parseNode(child); + break; + case "instance_camera": + data.instanceCameras.push(parseId(child.getAttribute("url"))); + break; + case "instance_controller": + data.instanceControllers.push(parseNodeInstance(child)); + break; + case "instance_light": + data.instanceLights.push(parseId(child.getAttribute("url"))); + break; + case "instance_geometry": + data.instanceGeometries.push(parseNodeInstance(child)); + break; + case "instance_node": + data.instanceNodes.push(parseId(child.getAttribute("url"))); + break; + case "matrix": + array = parseFloats(child.textContent); + data.matrix.multiply(matrix.fromArray(array).transpose()); + data.transforms[child.getAttribute("sid")] = child.nodeName; + break; + case "translate": + array = parseFloats(child.textContent); + vector.fromArray(array); + data.matrix.multiply(matrix.makeTranslation(vector.x, vector.y, vector.z)); + data.transforms[child.getAttribute("sid")] = child.nodeName; + break; + case "rotate": + array = parseFloats(child.textContent); + const angle = MathUtils.degToRad(array[3]); + data.matrix.multiply(matrix.makeRotationAxis(vector.fromArray(array), angle)); + data.transforms[child.getAttribute("sid")] = child.nodeName; + break; + case "scale": + array = parseFloats(child.textContent); + data.matrix.scale(vector.fromArray(array)); + data.transforms[child.getAttribute("sid")] = child.nodeName; + break; + case "extra": + break; + default: + console.log(child); + } + } + if (hasNode(data.id)) { + console.warn("THREE.ColladaLoader: There is already a node with ID %s. Exclude current node from further processing.", data.id); + } else { + library.nodes[data.id] = data; + } + return data; + } + function parseNodeInstance(xml2) { + const data = { + id: parseId(xml2.getAttribute("url")), + materials: {}, + skeletons: [] + }; + for (let i = 0; i < xml2.childNodes.length; i++) { + const child = xml2.childNodes[i]; + switch (child.nodeName) { + case "bind_material": + const instances = child.getElementsByTagName("instance_material"); + for (let j = 0; j < instances.length; j++) { + const instance = instances[j]; + const symbol = instance.getAttribute("symbol"); + const target = instance.getAttribute("target"); + data.materials[symbol] = parseId(target); + } + break; + case "skeleton": + data.skeletons.push(parseId(child.textContent)); + break; + default: + break; + } + } + return data; + } + function buildSkeleton(skeletons, joints) { + const boneData = []; + const sortedBoneData = []; + let i, j, data; + for (i = 0; i < skeletons.length; i++) { + const skeleton = skeletons[i]; + let root; + if (hasNode(skeleton)) { + root = getNode(skeleton); + buildBoneHierarchy(root, joints, boneData); + } else if (hasVisualScene(skeleton)) { + const visualScene = library.visualScenes[skeleton]; + const children = visualScene.children; + for (let j2 = 0; j2 < children.length; j2++) { + const child = children[j2]; + if (child.type === "JOINT") { + const root2 = getNode(child.id); + buildBoneHierarchy(root2, joints, boneData); + } + } + } else { + console.error("THREE.ColladaLoader: Unable to find root bone of skeleton with ID:", skeleton); + } + } + for (i = 0; i < joints.length; i++) { + for (j = 0; j < boneData.length; j++) { + data = boneData[j]; + if (data.bone.name === joints[i].name) { + sortedBoneData[i] = data; + data.processed = true; + break; + } + } + } + for (i = 0; i < boneData.length; i++) { + data = boneData[i]; + if (data.processed === false) { + sortedBoneData.push(data); + data.processed = true; + } + } + const bones = []; + const boneInverses = []; + for (i = 0; i < sortedBoneData.length; i++) { + data = sortedBoneData[i]; + bones.push(data.bone); + boneInverses.push(data.boneInverse); + } + return new Skeleton(bones, boneInverses); + } + function buildBoneHierarchy(root, joints, boneData) { + root.traverse(function(object) { + if (object.isBone === true) { + let boneInverse; + for (let i = 0; i < joints.length; i++) { + const joint = joints[i]; + if (joint.name === object.name) { + boneInverse = joint.boneInverse; + break; + } + } + if (boneInverse === void 0) { + boneInverse = new Matrix4(); + } + boneData.push({ bone: object, boneInverse, processed: false }); + } + }); + } + function buildNode(data) { + const objects = []; + const matrix2 = data.matrix; + const nodes = data.nodes; + const type = data.type; + const instanceCameras = data.instanceCameras; + const instanceControllers = data.instanceControllers; + const instanceLights = data.instanceLights; + const instanceGeometries = data.instanceGeometries; + const instanceNodes = data.instanceNodes; + for (let i = 0, l = nodes.length; i < l; i++) { + objects.push(getNode(nodes[i])); + } + for (let i = 0, l = instanceCameras.length; i < l; i++) { + const instanceCamera = getCamera(instanceCameras[i]); + if (instanceCamera !== null) { + objects.push(instanceCamera.clone()); + } + } + for (let i = 0, l = instanceControllers.length; i < l; i++) { + const instance = instanceControllers[i]; + const controller = getController(instance.id); + const geometries = getGeometry(controller.id); + const newObjects = buildObjects(geometries, instance.materials); + const skeletons = instance.skeletons; + const joints = controller.skin.joints; + const skeleton = buildSkeleton(skeletons, joints); + for (let j = 0, jl = newObjects.length; j < jl; j++) { + const object2 = newObjects[j]; + if (object2.isSkinnedMesh) { + object2.bind(skeleton, controller.skin.bindMatrix); + object2.normalizeSkinWeights(); + } + objects.push(object2); + } + } + for (let i = 0, l = instanceLights.length; i < l; i++) { + const instanceLight = getLight(instanceLights[i]); + if (instanceLight !== null) { + objects.push(instanceLight.clone()); + } + } + for (let i = 0, l = instanceGeometries.length; i < l; i++) { + const instance = instanceGeometries[i]; + const geometries = getGeometry(instance.id); + const newObjects = buildObjects(geometries, instance.materials); + for (let j = 0, jl = newObjects.length; j < jl; j++) { + objects.push(newObjects[j]); + } + } + for (let i = 0, l = instanceNodes.length; i < l; i++) { + objects.push(getNode(instanceNodes[i]).clone()); + } + let object; + if (nodes.length === 0 && objects.length === 1) { + object = objects[0]; + } else { + object = type === "JOINT" ? new Bone() : new Group(); + for (let i = 0; i < objects.length; i++) { + object.add(objects[i]); + } + } + object.name = type === "JOINT" ? data.sid : data.name; + object.matrix.copy(matrix2); + object.matrix.decompose(object.position, object.quaternion, object.scale); + return object; + } + const fallbackMaterial = new MeshBasicMaterial({ + name: Loader.DEFAULT_MATERIAL_NAME, + color: 16711935 + }); + function resolveMaterialBinding(keys, instanceMaterials) { + const materials = []; + for (let i = 0, l = keys.length; i < l; i++) { + const id = instanceMaterials[keys[i]]; + if (id === void 0) { + console.warn("THREE.ColladaLoader: Material with key %s not found. Apply fallback material.", keys[i]); + materials.push(fallbackMaterial); + } else { + materials.push(getMaterial(id)); + } + } + return materials; + } + function buildObjects(geometries, instanceMaterials) { + const objects = []; + for (const type in geometries) { + const geometry = geometries[type]; + const materials = resolveMaterialBinding(geometry.materialKeys, instanceMaterials); + if (materials.length === 0) { + if (type === "lines" || type === "linestrips") { + materials.push(new LineBasicMaterial()); + } else { + materials.push(new MeshPhongMaterial()); + } + } + if (type === "lines" || type === "linestrips") { + for (let i = 0, l = materials.length; i < l; i++) { + const material2 = materials[i]; + if (material2.isMeshPhongMaterial === true || material2.isMeshLambertMaterial === true) { + const lineMaterial = new LineBasicMaterial(); + lineMaterial.color.copy(material2.color); + lineMaterial.opacity = material2.opacity; + lineMaterial.transparent = material2.transparent; + materials[i] = lineMaterial; + } + } + } + const skinning = geometry.data.attributes.skinIndex !== void 0; + const material = materials.length === 1 ? materials[0] : materials; + let object; + switch (type) { + case "lines": + object = new LineSegments(geometry.data, material); + break; + case "linestrips": + object = new Line(geometry.data, material); + break; + case "triangles": + case "polylist": + if (skinning) { + object = new SkinnedMesh(geometry.data, material); + } else { + object = new Mesh(geometry.data, material); + } + break; + } + objects.push(object); + } + return objects; + } + function hasNode(id) { + return library.nodes[id] !== void 0; + } + function getNode(id) { + return getBuild(library.nodes[id], buildNode); + } + function parseVisualScene(xml2) { + const data = { + name: xml2.getAttribute("name"), + children: [] + }; + prepareNodes(xml2); + const elements = getElementsByTagName(xml2, "node"); + for (let i = 0; i < elements.length; i++) { + data.children.push(parseNode(elements[i])); + } + library.visualScenes[xml2.getAttribute("id")] = data; + } + function buildVisualScene(data) { + const group = new Group(); + group.name = data.name; + const children = data.children; + for (let i = 0; i < children.length; i++) { + const child = children[i]; + group.add(getNode(child.id)); + } + return group; + } + function hasVisualScene(id) { + return library.visualScenes[id] !== void 0; + } + function getVisualScene(id) { + return getBuild(library.visualScenes[id], buildVisualScene); + } + function parseScene(xml2) { + const instance = getElementsByTagName(xml2, "instance_visual_scene")[0]; + return getVisualScene(parseId(instance.getAttribute("url"))); + } + function setupAnimations() { + const clips = library.clips; + if (isEmpty(clips) === true) { + if (isEmpty(library.animations) === false) { + const tracks = []; + for (const id in library.animations) { + const animationTracks = getAnimation(id); + for (let i = 0, l = animationTracks.length; i < l; i++) { + tracks.push(animationTracks[i]); + } + } + animations.push(new AnimationClip("default", -1, tracks)); + } + } else { + for (const id in clips) { + animations.push(getAnimationClip(id)); + } + } + } + function parserErrorToText(parserError2) { + let result = ""; + const stack = [parserError2]; + while (stack.length) { + const node = stack.shift(); + if (node.nodeType === Node.TEXT_NODE) { + result += node.textContent; + } else { + result += "\n"; + stack.push(...node.childNodes); + } + } + return result.trim(); + } + if (text.length === 0) { + return { scene: new Scene() }; + } + const xml = new DOMParser().parseFromString(text, "application/xml"); + const collada = getElementsByTagName(xml, "COLLADA")[0]; + const parserError = xml.getElementsByTagName("parsererror")[0]; + if (parserError !== void 0) { + const errorElement = getElementsByTagName(parserError, "div")[0]; + let errorText; + if (errorElement) { + errorText = errorElement.textContent; + } else { + errorText = parserErrorToText(parserError); + } + console.error("THREE.ColladaLoader: Failed to parse collada file.\n", errorText); + return null; + } + const version = collada.getAttribute("version"); + console.debug("THREE.ColladaLoader: File version", version); + const asset = parseAsset(getElementsByTagName(collada, "asset")[0]); + const textureLoader = new TextureLoader(this.manager); + textureLoader.setPath(this.resourcePath || path).setCrossOrigin(this.crossOrigin); + let tgaLoader; + if (TGALoader) { + tgaLoader = new TGALoader(this.manager); + tgaLoader.setPath(this.resourcePath || path); + } + const tempColor = new Color(); + const animations = []; + let kinematics = {}; + let count = 0; + const library = { + animations: {}, + clips: {}, + controllers: {}, + images: {}, + effects: {}, + materials: {}, + cameras: {}, + lights: {}, + geometries: {}, + nodes: {}, + visualScenes: {}, + kinematicsModels: {}, + physicsModels: {}, + kinematicsScenes: {} + }; + parseLibrary(collada, "library_animations", "animation", parseAnimation); + parseLibrary(collada, "library_animation_clips", "animation_clip", parseAnimationClip); + parseLibrary(collada, "library_controllers", "controller", parseController); + parseLibrary(collada, "library_images", "image", parseImage); + parseLibrary(collada, "library_effects", "effect", parseEffect); + parseLibrary(collada, "library_materials", "material", parseMaterial); + parseLibrary(collada, "library_cameras", "camera", parseCamera); + parseLibrary(collada, "library_lights", "light", parseLight); + parseLibrary(collada, "library_geometries", "geometry", parseGeometry); + parseLibrary(collada, "library_nodes", "node", parseNode); + parseLibrary(collada, "library_visual_scenes", "visual_scene", parseVisualScene); + parseLibrary(collada, "library_kinematics_models", "kinematics_model", parseKinematicsModel); + parseLibrary(collada, "library_physics_models", "physics_model", parsePhysicsModel); + parseLibrary(collada, "scene", "instance_kinematics_scene", parseKinematicsScene); + buildLibrary(library.animations, buildAnimation); + buildLibrary(library.clips, buildAnimationClip); + buildLibrary(library.controllers, buildController); + buildLibrary(library.images, buildImage); + buildLibrary(library.effects, buildEffect); + buildLibrary(library.materials, buildMaterial); + buildLibrary(library.cameras, buildCamera); + buildLibrary(library.lights, buildLight); + buildLibrary(library.geometries, buildGeometry); + buildLibrary(library.visualScenes, buildVisualScene); + setupAnimations(); + setupKinematics(); + const scene = parseScene(getElementsByTagName(collada, "scene")[0]); + scene.animations = animations; + if (asset.upAxis === "Z_UP") { + console.warn("THREE.ColladaLoader: You are loading an asset with a Z-UP coordinate system. The loader just rotates the asset to transform it into Y-UP. The vertex data are not converted, see #24289."); + scene.rotation.set(-Math.PI / 2, 0, 0); + } + scene.scale.multiplyScalar(asset.unit); + return { + get animations() { + console.warn("THREE.ColladaLoader: Please access animations over scene.animations now."); + return animations; + }, + kinematics, + library, + scene + }; + } +}; +export { + ColladaLoader +}; +//# sourceMappingURL=three_examples_jsm_loaders_ColladaLoader__js.js.map diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_ColladaLoader__js.js.map b/node_modules/.vite/deps/three_examples_jsm_loaders_ColladaLoader__js.js.map new file mode 100644 index 0000000..c97c1ac --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_ColladaLoader__js.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["../../three/examples/jsm/loaders/TGALoader.js", "../../three/examples/jsm/loaders/ColladaLoader.js"], + "sourcesContent": ["import {\n\tDataTextureLoader,\n\tLinearMipmapLinearFilter\n} from 'three';\n\n/**\n * A loader for the TGA texture format.\n *\n * ```js\n * const loader = new TGALoader();\n * const texture = await loader.loadAsync( 'textures/crate_color8.tga' );\n * texture.colorSpace = THREE.SRGBColorSpace; // only for color textures\n * ```\n *\n * @augments DataTextureLoader\n * @three_import import { TGALoader } from 'three/addons/loaders/TGALoader.js';\n */\nclass TGALoader extends DataTextureLoader {\n\n\t/**\n\t * Constructs a new TGA loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Parses the given TGA texture data.\n\t *\n\t * @param {ArrayBuffer} buffer - The raw texture data.\n\t * @return {DataTextureLoader~TexData} An object representing the parsed texture data.\n\t */\n\tparse( buffer ) {\n\n\t\t// reference from vthibault, https://github.com/vthibault/roBrowser/blob/master/src/Loaders/Targa.js\n\n\t\tfunction tgaCheckHeader( header ) {\n\n\t\t\tswitch ( header.image_type ) {\n\n\t\t\t\t// check indexed type\n\n\t\t\t\tcase TGA_TYPE_INDEXED:\n\t\t\t\tcase TGA_TYPE_RLE_INDEXED:\n\t\t\t\t\tif ( header.colormap_length > 256 || header.colormap_size !== 24 || header.colormap_type !== 1 ) {\n\n\t\t\t\t\t\tthrow new Error( 'THREE.TGALoader: Invalid type colormap data for indexed type.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// check colormap type\n\n\t\t\t\tcase TGA_TYPE_RGB:\n\t\t\t\tcase TGA_TYPE_GREY:\n\t\t\t\tcase TGA_TYPE_RLE_RGB:\n\t\t\t\tcase TGA_TYPE_RLE_GREY:\n\t\t\t\t\tif ( header.colormap_type ) {\n\n\t\t\t\t\t\tthrow new Error( 'THREE.TGALoader: Invalid type colormap data for colormap type.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t\t// What the need of a file without data ?\n\n\t\t\t\tcase TGA_TYPE_NO_DATA:\n\t\t\t\t\tthrow new Error( 'THREE.TGALoader: No data.' );\n\n\t\t\t\t\t// Invalid type ?\n\n\t\t\t\tdefault:\n\t\t\t\t\tthrow new Error( 'THREE.TGALoader: Invalid type ' + header.image_type );\n\n\t\t\t}\n\n\t\t\t// check image width and height\n\n\t\t\tif ( header.width <= 0 || header.height <= 0 ) {\n\n\t\t\t\tthrow new Error( 'THREE.TGALoader: Invalid image size.' );\n\n\t\t\t}\n\n\t\t\t// check image pixel size\n\n\t\t\tif ( header.pixel_size !== 8 && header.pixel_size !== 16 &&\n\t\t\t\theader.pixel_size !== 24 && header.pixel_size !== 32 ) {\n\n\t\t\t\tthrow new Error( 'THREE.TGALoader: Invalid pixel size ' + header.pixel_size );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// parse tga image buffer\n\n\t\tfunction tgaParse( use_rle, use_pal, header, offset, data ) {\n\n\t\t\tlet pixel_data,\n\t\t\t\tpalettes;\n\n\t\t\tconst pixel_size = header.pixel_size >> 3;\n\t\t\tconst pixel_total = header.width * header.height * pixel_size;\n\n\t\t\t // read palettes\n\n\t\t\t if ( use_pal ) {\n\n\t\t\t\t palettes = data.subarray( offset, offset += header.colormap_length * ( header.colormap_size >> 3 ) );\n\n\t\t\t }\n\n\t\t\t // read RLE\n\n\t\t\t if ( use_rle ) {\n\n\t\t\t\t pixel_data = new Uint8Array( pixel_total );\n\n\t\t\t\tlet c, count, i;\n\t\t\t\tlet shift = 0;\n\t\t\t\tconst pixels = new Uint8Array( pixel_size );\n\n\t\t\t\twhile ( shift < pixel_total ) {\n\n\t\t\t\t\tc = data[ offset ++ ];\n\t\t\t\t\tcount = ( c & 0x7f ) + 1;\n\n\t\t\t\t\t// RLE pixels\n\n\t\t\t\t\tif ( c & 0x80 ) {\n\n\t\t\t\t\t\t// bind pixel tmp array\n\n\t\t\t\t\t\tfor ( i = 0; i < pixel_size; ++ i ) {\n\n\t\t\t\t\t\t\tpixels[ i ] = data[ offset ++ ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// copy pixel array\n\n\t\t\t\t\t\tfor ( i = 0; i < count; ++ i ) {\n\n\t\t\t\t\t\t\tpixel_data.set( pixels, shift + i * pixel_size );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tshift += pixel_size * count;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// raw pixels\n\n\t\t\t\t\t\tcount *= pixel_size;\n\n\t\t\t\t\t\tfor ( i = 0; i < count; ++ i ) {\n\n\t\t\t\t\t\t\tpixel_data[ shift + i ] = data[ offset ++ ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tshift += count;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t } else {\n\n\t\t\t\t// raw pixels\n\n\t\t\t\tpixel_data = data.subarray(\n\t\t\t\t\t offset, offset += ( use_pal ? header.width * header.height : pixel_total )\n\t\t\t\t);\n\n\t\t\t }\n\n\t\t\t return {\n\t\t\t\tpixel_data: pixel_data,\n\t\t\t\tpalettes: palettes\n\t\t\t };\n\n\t\t}\n\n\t\tfunction tgaGetImageData8bits( imageData, y_start, y_step, y_end, x_start, x_step, x_end, image, palettes ) {\n\n\t\t\tconst colormap = palettes;\n\t\t\tlet color, i = 0, x, y;\n\t\t\tconst width = header.width;\n\n\t\t\tfor ( y = y_start; y !== y_end; y += y_step ) {\n\n\t\t\t\tfor ( x = x_start; x !== x_end; x += x_step, i ++ ) {\n\n\t\t\t\t\tcolor = image[ i ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 3 ] = 255;\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 2 ] = colormap[ ( color * 3 ) + 0 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 1 ] = colormap[ ( color * 3 ) + 1 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 0 ] = colormap[ ( color * 3 ) + 2 ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn imageData;\n\n\t\t}\n\n\t\tfunction tgaGetImageData16bits( imageData, y_start, y_step, y_end, x_start, x_step, x_end, image ) {\n\n\t\t\tlet color, i = 0, x, y;\n\t\t\tconst width = header.width;\n\n\t\t\tfor ( y = y_start; y !== y_end; y += y_step ) {\n\n\t\t\t\tfor ( x = x_start; x !== x_end; x += x_step, i += 2 ) {\n\n\t\t\t\t\tcolor = image[ i + 0 ] + ( image[ i + 1 ] << 8 );\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 0 ] = ( color & 0x7C00 ) >> 7;\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 1 ] = ( color & 0x03E0 ) >> 2;\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 2 ] = ( color & 0x001F ) << 3;\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 3 ] = ( color & 0x8000 ) ? 0 : 255;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn imageData;\n\n\t\t}\n\n\t\tfunction tgaGetImageData24bits( imageData, y_start, y_step, y_end, x_start, x_step, x_end, image ) {\n\n\t\t\tlet i = 0, x, y;\n\t\t\tconst width = header.width;\n\n\t\t\tfor ( y = y_start; y !== y_end; y += y_step ) {\n\n\t\t\t\tfor ( x = x_start; x !== x_end; x += x_step, i += 3 ) {\n\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 3 ] = 255;\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 2 ] = image[ i + 0 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 1 ] = image[ i + 1 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 0 ] = image[ i + 2 ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn imageData;\n\n\t\t}\n\n\t\tfunction tgaGetImageData32bits( imageData, y_start, y_step, y_end, x_start, x_step, x_end, image ) {\n\n\t\t\tlet i = 0, x, y;\n\t\t\tconst width = header.width;\n\n\t\t\tfor ( y = y_start; y !== y_end; y += y_step ) {\n\n\t\t\t\tfor ( x = x_start; x !== x_end; x += x_step, i += 4 ) {\n\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 2 ] = image[ i + 0 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 1 ] = image[ i + 1 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 0 ] = image[ i + 2 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 3 ] = image[ i + 3 ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn imageData;\n\n\t\t}\n\n\t\tfunction tgaGetImageDataGrey8bits( imageData, y_start, y_step, y_end, x_start, x_step, x_end, image ) {\n\n\t\t\tlet color, i = 0, x, y;\n\t\t\tconst width = header.width;\n\n\t\t\tfor ( y = y_start; y !== y_end; y += y_step ) {\n\n\t\t\t\tfor ( x = x_start; x !== x_end; x += x_step, i ++ ) {\n\n\t\t\t\t\tcolor = image[ i ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 0 ] = color;\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 1 ] = color;\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 2 ] = color;\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 3 ] = 255;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn imageData;\n\n\t\t}\n\n\t\tfunction tgaGetImageDataGrey16bits( imageData, y_start, y_step, y_end, x_start, x_step, x_end, image ) {\n\n\t\t\tlet i = 0, x, y;\n\t\t\tconst width = header.width;\n\n\t\t\tfor ( y = y_start; y !== y_end; y += y_step ) {\n\n\t\t\t\tfor ( x = x_start; x !== x_end; x += x_step, i += 2 ) {\n\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 0 ] = image[ i + 0 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 1 ] = image[ i + 0 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 2 ] = image[ i + 0 ];\n\t\t\t\t\timageData[ ( x + width * y ) * 4 + 3 ] = image[ i + 1 ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn imageData;\n\n\t\t}\n\n\t\tfunction getTgaRGBA( data, width, height, image, palette ) {\n\n\t\t\tlet x_start,\n\t\t\t\ty_start,\n\t\t\t\tx_step,\n\t\t\t\ty_step,\n\t\t\t\tx_end,\n\t\t\t\ty_end;\n\n\t\t\tswitch ( ( header.flags & TGA_ORIGIN_MASK ) >> TGA_ORIGIN_SHIFT ) {\n\n\t\t\t\tdefault:\n\t\t\t\tcase TGA_ORIGIN_UL:\n\t\t\t\t\tx_start = 0;\n\t\t\t\t\tx_step = 1;\n\t\t\t\t\tx_end = width;\n\t\t\t\t\ty_start = 0;\n\t\t\t\t\ty_step = 1;\n\t\t\t\t\ty_end = height;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TGA_ORIGIN_BL:\n\t\t\t\t\tx_start = 0;\n\t\t\t\t\tx_step = 1;\n\t\t\t\t\tx_end = width;\n\t\t\t\t\ty_start = height - 1;\n\t\t\t\t\ty_step = - 1;\n\t\t\t\t\ty_end = - 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TGA_ORIGIN_UR:\n\t\t\t\t\tx_start = width - 1;\n\t\t\t\t\tx_step = - 1;\n\t\t\t\t\tx_end = - 1;\n\t\t\t\t\ty_start = 0;\n\t\t\t\t\ty_step = 1;\n\t\t\t\t\ty_end = height;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TGA_ORIGIN_BR:\n\t\t\t\t\tx_start = width - 1;\n\t\t\t\t\tx_step = - 1;\n\t\t\t\t\tx_end = - 1;\n\t\t\t\t\ty_start = height - 1;\n\t\t\t\t\ty_step = - 1;\n\t\t\t\t\ty_end = - 1;\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( use_grey ) {\n\n\t\t\t\tswitch ( header.pixel_size ) {\n\n\t\t\t\t\tcase 8:\n\t\t\t\t\t\ttgaGetImageDataGrey8bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 16:\n\t\t\t\t\t\ttgaGetImageDataGrey16bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tthrow new Error( 'THREE.TGALoader: Format not supported.' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tswitch ( header.pixel_size ) {\n\n\t\t\t\t\tcase 8:\n\t\t\t\t\t\ttgaGetImageData8bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image, palette );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 16:\n\t\t\t\t\t\ttgaGetImageData16bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 24:\n\t\t\t\t\t\ttgaGetImageData24bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 32:\n\t\t\t\t\t\ttgaGetImageData32bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tthrow new Error( 'THREE.TGALoader: Format not supported.' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Load image data according to specific method\n\t\t\t// let func = 'tgaGetImageData' + (use_grey ? 'Grey' : '') + (header.pixel_size) + 'bits';\n\t\t\t// func(data, y_start, y_step, y_end, x_start, x_step, x_end, width, image, palette );\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// TGA constants\n\n\t\tconst TGA_TYPE_NO_DATA = 0,\n\t\t\tTGA_TYPE_INDEXED = 1,\n\t\t\tTGA_TYPE_RGB = 2,\n\t\t\tTGA_TYPE_GREY = 3,\n\t\t\tTGA_TYPE_RLE_INDEXED = 9,\n\t\t\tTGA_TYPE_RLE_RGB = 10,\n\t\t\tTGA_TYPE_RLE_GREY = 11,\n\n\t\t\tTGA_ORIGIN_MASK = 0x30,\n\t\t\tTGA_ORIGIN_SHIFT = 0x04,\n\t\t\tTGA_ORIGIN_BL = 0x00,\n\t\t\tTGA_ORIGIN_BR = 0x01,\n\t\t\tTGA_ORIGIN_UL = 0x02,\n\t\t\tTGA_ORIGIN_UR = 0x03;\n\n\t\tif ( buffer.length < 19 ) throw new Error( 'THREE.TGALoader: Not enough data to contain header.' );\n\n\t\tlet offset = 0;\n\n\t\tconst content = new Uint8Array( buffer ),\n\t\t\theader = {\n\t\t\t\tid_length: content[ offset ++ ],\n\t\t\t\tcolormap_type: content[ offset ++ ],\n\t\t\t\timage_type: content[ offset ++ ],\n\t\t\t\tcolormap_index: content[ offset ++ ] | content[ offset ++ ] << 8,\n\t\t\t\tcolormap_length: content[ offset ++ ] | content[ offset ++ ] << 8,\n\t\t\t\tcolormap_size: content[ offset ++ ],\n\t\t\t\torigin: [\n\t\t\t\t\tcontent[ offset ++ ] | content[ offset ++ ] << 8,\n\t\t\t\t\tcontent[ offset ++ ] | content[ offset ++ ] << 8\n\t\t\t\t],\n\t\t\t\twidth: content[ offset ++ ] | content[ offset ++ ] << 8,\n\t\t\t\theight: content[ offset ++ ] | content[ offset ++ ] << 8,\n\t\t\t\tpixel_size: content[ offset ++ ],\n\t\t\t\tflags: content[ offset ++ ]\n\t\t\t};\n\n\t\t// check tga if it is valid format\n\n\t\ttgaCheckHeader( header );\n\n\t\tif ( header.id_length + offset > buffer.length ) {\n\n\t\t\tthrow new Error( 'THREE.TGALoader: No data.' );\n\n\t\t}\n\n\t\t// skip the needn't data\n\n\t\toffset += header.id_length;\n\n\t\t// get targa information about RLE compression and palette\n\n\t\tlet use_rle = false,\n\t\t\tuse_pal = false,\n\t\t\tuse_grey = false;\n\n\t\tswitch ( header.image_type ) {\n\n\t\t\tcase TGA_TYPE_RLE_INDEXED:\n\t\t\t\tuse_rle = true;\n\t\t\t\tuse_pal = true;\n\t\t\t\tbreak;\n\n\t\t\tcase TGA_TYPE_INDEXED:\n\t\t\t\tuse_pal = true;\n\t\t\t\tbreak;\n\n\t\t\tcase TGA_TYPE_RLE_RGB:\n\t\t\t\tuse_rle = true;\n\t\t\t\tbreak;\n\n\t\t\tcase TGA_TYPE_RGB:\n\t\t\t\tbreak;\n\n\t\t\tcase TGA_TYPE_RLE_GREY:\n\t\t\t\tuse_rle = true;\n\t\t\t\tuse_grey = true;\n\t\t\t\tbreak;\n\n\t\t\tcase TGA_TYPE_GREY:\n\t\t\t\tuse_grey = true;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\t//\n\n\t\tconst imageData = new Uint8Array( header.width * header.height * 4 );\n\t\tconst result = tgaParse( use_rle, use_pal, header, offset, content );\n\t\tgetTgaRGBA( imageData, header.width, header.height, result.pixel_data, result.palettes );\n\n\t\treturn {\n\n\t\t\tdata: imageData,\n\t\t\twidth: header.width,\n\t\t\theight: header.height,\n\t\t\tflipY: true,\n\t\t\tgenerateMipmaps: true,\n\t\t\tminFilter: LinearMipmapLinearFilter,\n\n\t\t};\n\n\t}\n\n}\n\nexport { TGALoader };\n", "import {\n\tAmbientLight,\n\tAnimationClip,\n\tBone,\n\tBufferGeometry,\n\tClampToEdgeWrapping,\n\tColor,\n\tColorManagement,\n\tDirectionalLight,\n\tDoubleSide,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tFrontSide,\n\tGroup,\n\tLine,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tLoaderUtils,\n\tMathUtils,\n\tMatrix4,\n\tMesh,\n\tMeshBasicMaterial,\n\tMeshLambertMaterial,\n\tMeshPhongMaterial,\n\tOrthographicCamera,\n\tPerspectiveCamera,\n\tPointLight,\n\tQuaternion,\n\tQuaternionKeyframeTrack,\n\tRepeatWrapping,\n\tScene,\n\tSkeleton,\n\tSkinnedMesh,\n\tSpotLight,\n\tTextureLoader,\n\tVector2,\n\tVector3,\n\tVectorKeyframeTrack,\n\tSRGBColorSpace\n} from 'three';\nimport { TGALoader } from '../loaders/TGALoader.js';\n\n/**\n * A loader for the Collada format.\n *\n * The Collada format is very complex so this loader only supports a subset of what\n * is defined in the [official specification](https://www.khronos.org/files/collada_spec_1_5.pdf).\n *\n * Assets with a Z-UP coordinate system are transformed it into Y-UP by a simple rotation.\n * The vertex data are not converted.\n *\n * ```js\n * const loader = new ColladaLoader();\n *\n * const result = await loader.loadAsync( './models/collada/elf/elf.dae' );\n * scene.add( result.scene );\n * ```\n *\n * @augments Loader\n * @three_import import { ColladaLoader } from 'three/addons/loaders/ColladaLoader.js';\n */\nclass ColladaLoader extends Loader {\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded Collada asset\n\t * to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function({scene:Group,animations:Array,kinematics:Object})} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( scope.path === '' ) ? LoaderUtils.extractUrlBase( url ) : scope.path;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text, path ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\t/**\n\t * Parses the given Collada data and returns a result object holding the parsed scene,\n\t * an array of animation clips and kinematics.\n\t *\n\t * @param {string} text - The raw Collada data as a string.\n\t * @param {string} [path] - The asset path.\n\t * @return {?{scene:Group,animations:Array,kinematics:Object}} An object representing the parsed asset.\n\t */\n\tparse( text, path ) {\n\n\t\tfunction getElementsByTagName( xml, name ) {\n\n\t\t\t// Non recursive xml.getElementsByTagName() ...\n\n\t\t\tconst array = [];\n\t\t\tconst childNodes = xml.childNodes;\n\n\t\t\tfor ( let i = 0, l = childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = childNodes[ i ];\n\n\t\t\t\tif ( child.nodeName === name ) {\n\n\t\t\t\t\tarray.push( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t}\n\n\t\tfunction parseStrings( text ) {\n\n\t\t\tif ( text.length === 0 ) return [];\n\n\t\t\tconst parts = text.trim().split( /\\s+/ );\n\t\t\tconst array = new Array( parts.length );\n\n\t\t\tfor ( let i = 0, l = parts.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ] = parts[ i ];\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t}\n\n\t\tfunction parseFloats( text ) {\n\n\t\t\tif ( text.length === 0 ) return [];\n\n\t\t\tconst parts = text.trim().split( /\\s+/ );\n\t\t\tconst array = new Array( parts.length );\n\n\t\t\tfor ( let i = 0, l = parts.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ] = parseFloat( parts[ i ] );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t}\n\n\t\tfunction parseInts( text ) {\n\n\t\t\tif ( text.length === 0 ) return [];\n\n\t\t\tconst parts = text.trim().split( /\\s+/ );\n\t\t\tconst array = new Array( parts.length );\n\n\t\t\tfor ( let i = 0, l = parts.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ] = parseInt( parts[ i ] );\n\n\t\t\t}\n\n\t\t\treturn array;\n\n\t\t}\n\n\t\tfunction parseId( text ) {\n\n\t\t\treturn text.substring( 1 );\n\n\t\t}\n\n\t\tfunction generateId() {\n\n\t\t\treturn 'three_default_' + ( count ++ );\n\n\t\t}\n\n\t\tfunction isEmpty( object ) {\n\n\t\t\treturn Object.keys( object ).length === 0;\n\n\t\t}\n\n\t\t// asset\n\n\t\tfunction parseAsset( xml ) {\n\n\t\t\treturn {\n\t\t\t\tunit: parseAssetUnit( getElementsByTagName( xml, 'unit' )[ 0 ] ),\n\t\t\t\tupAxis: parseAssetUpAxis( getElementsByTagName( xml, 'up_axis' )[ 0 ] )\n\t\t\t};\n\n\t\t}\n\n\t\tfunction parseAssetUnit( xml ) {\n\n\t\t\tif ( ( xml !== undefined ) && ( xml.hasAttribute( 'meter' ) === true ) ) {\n\n\t\t\t\treturn parseFloat( xml.getAttribute( 'meter' ) );\n\n\t\t\t} else {\n\n\t\t\t\treturn 1; // default 1 meter\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseAssetUpAxis( xml ) {\n\n\t\t\treturn xml !== undefined ? xml.textContent : 'Y_UP';\n\n\t\t}\n\n\t\t// library\n\n\t\tfunction parseLibrary( xml, libraryName, nodeName, parser ) {\n\n\t\t\tconst library = getElementsByTagName( xml, libraryName )[ 0 ];\n\n\t\t\tif ( library !== undefined ) {\n\n\t\t\t\tconst elements = getElementsByTagName( library, nodeName );\n\n\t\t\t\tfor ( let i = 0; i < elements.length; i ++ ) {\n\n\t\t\t\t\tparser( elements[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction buildLibrary( data, builder ) {\n\n\t\t\tfor ( const name in data ) {\n\n\t\t\t\tconst object = data[ name ];\n\t\t\t\tobject.build = builder( data[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// get\n\n\t\tfunction getBuild( data, builder ) {\n\n\t\t\tif ( data.build !== undefined ) return data.build;\n\n\t\t\tdata.build = builder( data );\n\n\t\t\treturn data.build;\n\n\t\t}\n\n\t\t// animation\n\n\t\tfunction parseAnimation( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsources: {},\n\t\t\t\tsamplers: {},\n\t\t\t\tchannels: {}\n\t\t\t};\n\n\t\t\tlet hasChildren = false;\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tlet id;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'source':\n\t\t\t\t\t\tid = child.getAttribute( 'id' );\n\t\t\t\t\t\tdata.sources[ id ] = parseSource( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'sampler':\n\t\t\t\t\t\tid = child.getAttribute( 'id' );\n\t\t\t\t\t\tdata.samplers[ id ] = parseAnimationSampler( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'channel':\n\t\t\t\t\t\tid = child.getAttribute( 'target' );\n\t\t\t\t\t\tdata.channels[ id ] = parseAnimationChannel( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'animation':\n\t\t\t\t\t\t// hierarchy of related animations\n\t\t\t\t\t\tparseAnimation( child );\n\t\t\t\t\t\thasChildren = true;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tconsole.log( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasChildren === false ) {\n\n\t\t\t\t// since 'id' attributes can be optional, it's necessary to generate a UUID for unique assignment\n\n\t\t\t\tlibrary.animations[ xml.getAttribute( 'id' ) || MathUtils.generateUUID() ] = data;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseAnimationSampler( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tinputs: {},\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'input':\n\t\t\t\t\t\tconst id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tconst semantic = child.getAttribute( 'semantic' );\n\t\t\t\t\t\tdata.inputs[ semantic ] = id;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseAnimationChannel( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tconst target = xml.getAttribute( 'target' );\n\n\t\t\t// parsing SID Addressing Syntax\n\n\t\t\tlet parts = target.split( '/' );\n\n\t\t\tconst id = parts.shift();\n\t\t\tlet sid = parts.shift();\n\n\t\t\t// check selection syntax\n\n\t\t\tconst arraySyntax = ( sid.indexOf( '(' ) !== - 1 );\n\t\t\tconst memberSyntax = ( sid.indexOf( '.' ) !== - 1 );\n\n\t\t\tif ( memberSyntax ) {\n\n\t\t\t\t// member selection access\n\n\t\t\t\tparts = sid.split( '.' );\n\t\t\t\tsid = parts.shift();\n\t\t\t\tdata.member = parts.shift();\n\n\t\t\t} else if ( arraySyntax ) {\n\n\t\t\t\t// array-access syntax. can be used to express fields in one-dimensional vectors or two-dimensional matrices.\n\n\t\t\t\tconst indices = sid.split( '(' );\n\t\t\t\tsid = indices.shift();\n\n\t\t\t\tfor ( let i = 0; i < indices.length; i ++ ) {\n\n\t\t\t\t\tindices[ i ] = parseInt( indices[ i ].replace( /\\)/, '' ) );\n\n\t\t\t\t}\n\n\t\t\t\tdata.indices = indices;\n\n\t\t\t}\n\n\t\t\tdata.id = id;\n\t\t\tdata.sid = sid;\n\n\t\t\tdata.arraySyntax = arraySyntax;\n\t\t\tdata.memberSyntax = memberSyntax;\n\n\t\t\tdata.sampler = parseId( xml.getAttribute( 'source' ) );\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildAnimation( data ) {\n\n\t\t\tconst tracks = [];\n\n\t\t\tconst channels = data.channels;\n\t\t\tconst samplers = data.samplers;\n\t\t\tconst sources = data.sources;\n\n\t\t\tfor ( const target in channels ) {\n\n\t\t\t\tif ( channels.hasOwnProperty( target ) ) {\n\n\t\t\t\t\tconst channel = channels[ target ];\n\t\t\t\t\tconst sampler = samplers[ channel.sampler ];\n\n\t\t\t\t\tconst inputId = sampler.inputs.INPUT;\n\t\t\t\t\tconst outputId = sampler.inputs.OUTPUT;\n\n\t\t\t\t\tconst inputSource = sources[ inputId ];\n\t\t\t\t\tconst outputSource = sources[ outputId ];\n\n\t\t\t\t\tconst animation = buildAnimationChannel( channel, inputSource, outputSource );\n\n\t\t\t\t\tcreateKeyframeTracks( animation, tracks );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn tracks;\n\n\t\t}\n\n\t\tfunction getAnimation( id ) {\n\n\t\t\treturn getBuild( library.animations[ id ], buildAnimation );\n\n\t\t}\n\n\t\tfunction buildAnimationChannel( channel, inputSource, outputSource ) {\n\n\t\t\tconst node = library.nodes[ channel.id ];\n\t\t\tconst object3D = getNode( node.id );\n\n\t\t\tconst transform = node.transforms[ channel.sid ];\n\t\t\tconst defaultMatrix = node.matrix.clone().transpose();\n\n\t\t\tlet time, stride;\n\t\t\tlet i, il, j, jl;\n\n\t\t\tconst data = {};\n\n\t\t\t// the collada spec allows the animation of data in various ways.\n\t\t\t// depending on the transform type (matrix, translate, rotate, scale), we execute different logic\n\n\t\t\tswitch ( transform ) {\n\n\t\t\t\tcase 'matrix':\n\n\t\t\t\t\tfor ( i = 0, il = inputSource.array.length; i < il; i ++ ) {\n\n\t\t\t\t\t\ttime = inputSource.array[ i ];\n\t\t\t\t\t\tstride = i * outputSource.stride;\n\n\t\t\t\t\t\tif ( data[ time ] === undefined ) data[ time ] = {};\n\n\t\t\t\t\t\tif ( channel.arraySyntax === true ) {\n\n\t\t\t\t\t\t\tconst value = outputSource.array[ stride ];\n\t\t\t\t\t\t\tconst index = channel.indices[ 0 ] + 4 * channel.indices[ 1 ];\n\n\t\t\t\t\t\t\tdata[ time ][ index ] = value;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( j = 0, jl = outputSource.stride; j < jl; j ++ ) {\n\n\t\t\t\t\t\t\t\tdata[ time ][ j ] = outputSource.array[ stride + j ];\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'translate':\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Animation transform type \"%s\" not yet implemented.', transform );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'rotate':\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Animation transform type \"%s\" not yet implemented.', transform );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'scale':\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Animation transform type \"%s\" not yet implemented.', transform );\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tconst keyframes = prepareAnimationData( data, defaultMatrix );\n\n\t\t\tconst animation = {\n\t\t\t\tname: object3D.uuid,\n\t\t\t\tkeyframes: keyframes\n\t\t\t};\n\n\t\t\treturn animation;\n\n\t\t}\n\n\t\tfunction prepareAnimationData( data, defaultMatrix ) {\n\n\t\t\tconst keyframes = [];\n\n\t\t\t// transfer data into a sortable array\n\n\t\t\tfor ( const time in data ) {\n\n\t\t\t\tkeyframes.push( { time: parseFloat( time ), value: data[ time ] } );\n\n\t\t\t}\n\n\t\t\t// ensure keyframes are sorted by time\n\n\t\t\tkeyframes.sort( ascending );\n\n\t\t\t// now we clean up all animation data, so we can use them for keyframe tracks\n\n\t\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\t\ttransformAnimationData( keyframes, i, defaultMatrix.elements[ i ] );\n\n\t\t\t}\n\n\t\t\treturn keyframes;\n\n\t\t\t// array sort function\n\n\t\t\tfunction ascending( a, b ) {\n\n\t\t\t\treturn a.time - b.time;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst position = new Vector3();\n\t\tconst scale = new Vector3();\n\t\tconst quaternion = new Quaternion();\n\n\t\tfunction createKeyframeTracks( animation, tracks ) {\n\n\t\t\tconst keyframes = animation.keyframes;\n\t\t\tconst name = animation.name;\n\n\t\t\tconst times = [];\n\t\t\tconst positionData = [];\n\t\t\tconst quaternionData = [];\n\t\t\tconst scaleData = [];\n\n\t\t\tfor ( let i = 0, l = keyframes.length; i < l; i ++ ) {\n\n\t\t\t\tconst keyframe = keyframes[ i ];\n\n\t\t\t\tconst time = keyframe.time;\n\t\t\t\tconst value = keyframe.value;\n\n\t\t\t\tmatrix.fromArray( value ).transpose();\n\t\t\t\tmatrix.decompose( position, quaternion, scale );\n\n\t\t\t\ttimes.push( time );\n\t\t\t\tpositionData.push( position.x, position.y, position.z );\n\t\t\t\tquaternionData.push( quaternion.x, quaternion.y, quaternion.z, quaternion.w );\n\t\t\t\tscaleData.push( scale.x, scale.y, scale.z );\n\n\t\t\t}\n\n\t\t\tif ( positionData.length > 0 ) tracks.push( new VectorKeyframeTrack( name + '.position', times, positionData ) );\n\t\t\tif ( quaternionData.length > 0 ) tracks.push( new QuaternionKeyframeTrack( name + '.quaternion', times, quaternionData ) );\n\t\t\tif ( scaleData.length > 0 ) tracks.push( new VectorKeyframeTrack( name + '.scale', times, scaleData ) );\n\n\t\t\treturn tracks;\n\n\t\t}\n\n\t\tfunction transformAnimationData( keyframes, property, defaultValue ) {\n\n\t\t\tlet keyframe;\n\n\t\t\tlet empty = true;\n\t\t\tlet i, l;\n\n\t\t\t// check, if values of a property are missing in our keyframes\n\n\t\t\tfor ( i = 0, l = keyframes.length; i < l; i ++ ) {\n\n\t\t\t\tkeyframe = keyframes[ i ];\n\n\t\t\t\tif ( keyframe.value[ property ] === undefined ) {\n\n\t\t\t\t\tkeyframe.value[ property ] = null; // mark as missing\n\n\t\t\t\t} else {\n\n\t\t\t\t\tempty = false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( empty === true ) {\n\n\t\t\t\t// no values at all, so we set a default value\n\n\t\t\t\tfor ( i = 0, l = keyframes.length; i < l; i ++ ) {\n\n\t\t\t\t\tkeyframe = keyframes[ i ];\n\n\t\t\t\t\tkeyframe.value[ property ] = defaultValue;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// filling gaps\n\n\t\t\t\tcreateMissingKeyframes( keyframes, property );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction createMissingKeyframes( keyframes, property ) {\n\n\t\t\tlet prev, next;\n\n\t\t\tfor ( let i = 0, l = keyframes.length; i < l; i ++ ) {\n\n\t\t\t\tconst keyframe = keyframes[ i ];\n\n\t\t\t\tif ( keyframe.value[ property ] === null ) {\n\n\t\t\t\t\tprev = getPrev( keyframes, i, property );\n\t\t\t\t\tnext = getNext( keyframes, i, property );\n\n\t\t\t\t\tif ( prev === null ) {\n\n\t\t\t\t\t\tkeyframe.value[ property ] = next.value[ property ];\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( next === null ) {\n\n\t\t\t\t\t\tkeyframe.value[ property ] = prev.value[ property ];\n\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tinterpolate( keyframe, prev, next, property );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getPrev( keyframes, i, property ) {\n\n\t\t\twhile ( i >= 0 ) {\n\n\t\t\t\tconst keyframe = keyframes[ i ];\n\n\t\t\t\tif ( keyframe.value[ property ] !== null ) return keyframe;\n\n\t\t\t\ti --;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tfunction getNext( keyframes, i, property ) {\n\n\t\t\twhile ( i < keyframes.length ) {\n\n\t\t\t\tconst keyframe = keyframes[ i ];\n\n\t\t\t\tif ( keyframe.value[ property ] !== null ) return keyframe;\n\n\t\t\t\ti ++;\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tfunction interpolate( key, prev, next, property ) {\n\n\t\t\tif ( ( next.time - prev.time ) === 0 ) {\n\n\t\t\t\tkey.value[ property ] = prev.value[ property ];\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tkey.value[ property ] = ( ( key.time - prev.time ) * ( next.value[ property ] - prev.value[ property ] ) / ( next.time - prev.time ) ) + prev.value[ property ];\n\n\t\t}\n\n\t\t// animation clips\n\n\t\tfunction parseAnimationClip( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'id' ) || 'default',\n\t\t\t\tstart: parseFloat( xml.getAttribute( 'start' ) || 0 ),\n\t\t\t\tend: parseFloat( xml.getAttribute( 'end' ) || 0 ),\n\t\t\t\tanimations: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'instance_animation':\n\t\t\t\t\t\tdata.animations.push( parseId( child.getAttribute( 'url' ) ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.clips[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction buildAnimationClip( data ) {\n\n\t\t\tconst tracks = [];\n\n\t\t\tconst name = data.name;\n\t\t\tconst duration = ( data.end - data.start ) || - 1;\n\t\t\tconst animations = data.animations;\n\n\t\t\tfor ( let i = 0, il = animations.length; i < il; i ++ ) {\n\n\t\t\t\tconst animationTracks = getAnimation( animations[ i ] );\n\n\t\t\t\tfor ( let j = 0, jl = animationTracks.length; j < jl; j ++ ) {\n\n\t\t\t\t\ttracks.push( animationTracks[ j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( name, duration, tracks );\n\n\t\t}\n\n\t\tfunction getAnimationClip( id ) {\n\n\t\t\treturn getBuild( library.clips[ id ], buildAnimationClip );\n\n\t\t}\n\n\t\t// controller\n\n\t\tfunction parseController( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'skin':\n\t\t\t\t\t\t// there is exactly one skin per controller\n\t\t\t\t\t\tdata.id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tdata.skin = parseSkin( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'morph':\n\t\t\t\t\t\tdata.id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Morph target animation not supported yet.' );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.controllers[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseSkin( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsources: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'bind_shape_matrix':\n\t\t\t\t\t\tdata.bindShapeMatrix = parseFloats( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'source':\n\t\t\t\t\t\tconst id = child.getAttribute( 'id' );\n\t\t\t\t\t\tdata.sources[ id ] = parseSource( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'joints':\n\t\t\t\t\t\tdata.joints = parseJoints( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'vertex_weights':\n\t\t\t\t\t\tdata.vertexWeights = parseVertexWeights( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseJoints( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tinputs: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'input':\n\t\t\t\t\t\tconst semantic = child.getAttribute( 'semantic' );\n\t\t\t\t\t\tconst id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tdata.inputs[ semantic ] = id;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseVertexWeights( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tinputs: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'input':\n\t\t\t\t\t\tconst semantic = child.getAttribute( 'semantic' );\n\t\t\t\t\t\tconst id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tconst offset = parseInt( child.getAttribute( 'offset' ) );\n\t\t\t\t\t\tdata.inputs[ semantic ] = { id: id, offset: offset };\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'vcount':\n\t\t\t\t\t\tdata.vcount = parseInts( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tdata.v = parseInts( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildController( data ) {\n\n\t\t\tconst build = {\n\t\t\t\tid: data.id\n\t\t\t};\n\n\t\t\tconst geometry = library.geometries[ build.id ];\n\n\t\t\tif ( data.skin !== undefined ) {\n\n\t\t\t\tbuild.skin = buildSkin( data.skin );\n\n\t\t\t\t// we enhance the 'sources' property of the corresponding geometry with our skin data\n\n\t\t\t\tgeometry.sources.skinIndices = build.skin.indices;\n\t\t\t\tgeometry.sources.skinWeights = build.skin.weights;\n\n\t\t\t}\n\n\t\t\treturn build;\n\n\t\t}\n\n\t\tfunction buildSkin( data ) {\n\n\t\t\tconst BONE_LIMIT = 4;\n\n\t\t\tconst build = {\n\t\t\t\tjoints: [], // this must be an array to preserve the joint order\n\t\t\t\tindices: {\n\t\t\t\t\tarray: [],\n\t\t\t\t\tstride: BONE_LIMIT\n\t\t\t\t},\n\t\t\t\tweights: {\n\t\t\t\t\tarray: [],\n\t\t\t\t\tstride: BONE_LIMIT\n\t\t\t\t}\n\t\t\t};\n\n\t\t\tconst sources = data.sources;\n\t\t\tconst vertexWeights = data.vertexWeights;\n\n\t\t\tconst vcount = vertexWeights.vcount;\n\t\t\tconst v = vertexWeights.v;\n\t\t\tconst jointOffset = vertexWeights.inputs.JOINT.offset;\n\t\t\tconst weightOffset = vertexWeights.inputs.WEIGHT.offset;\n\n\t\t\tconst jointSource = data.sources[ data.joints.inputs.JOINT ];\n\t\t\tconst inverseSource = data.sources[ data.joints.inputs.INV_BIND_MATRIX ];\n\n\t\t\tconst weights = sources[ vertexWeights.inputs.WEIGHT.id ].array;\n\t\t\tlet stride = 0;\n\n\t\t\tlet i, j, l;\n\n\t\t\t// process skin data for each vertex\n\n\t\t\tfor ( i = 0, l = vcount.length; i < l; i ++ ) {\n\n\t\t\t\tconst jointCount = vcount[ i ]; // this is the amount of joints that affect a single vertex\n\t\t\t\tconst vertexSkinData = [];\n\n\t\t\t\tfor ( j = 0; j < jointCount; j ++ ) {\n\n\t\t\t\t\tconst skinIndex = v[ stride + jointOffset ];\n\t\t\t\t\tconst weightId = v[ stride + weightOffset ];\n\t\t\t\t\tconst skinWeight = weights[ weightId ];\n\n\t\t\t\t\tvertexSkinData.push( { index: skinIndex, weight: skinWeight } );\n\n\t\t\t\t\tstride += 2;\n\n\t\t\t\t}\n\n\t\t\t\t// we sort the joints in descending order based on the weights.\n\t\t\t\t// this ensures, we only proceed the most important joints of the vertex\n\n\t\t\t\tvertexSkinData.sort( descending );\n\n\t\t\t\t// now we provide for each vertex a set of four index and weight values.\n\t\t\t\t// the order of the skin data matches the order of vertices\n\n\t\t\t\tfor ( j = 0; j < BONE_LIMIT; j ++ ) {\n\n\t\t\t\t\tconst d = vertexSkinData[ j ];\n\n\t\t\t\t\tif ( d !== undefined ) {\n\n\t\t\t\t\t\tbuild.indices.array.push( d.index );\n\t\t\t\t\t\tbuild.weights.array.push( d.weight );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tbuild.indices.array.push( 0 );\n\t\t\t\t\t\tbuild.weights.array.push( 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// setup bind matrix\n\n\t\t\tif ( data.bindShapeMatrix ) {\n\n\t\t\t\tbuild.bindMatrix = new Matrix4().fromArray( data.bindShapeMatrix ).transpose();\n\n\t\t\t} else {\n\n\t\t\t\tbuild.bindMatrix = new Matrix4().identity();\n\n\t\t\t}\n\n\t\t\t// process bones and inverse bind matrix data\n\n\t\t\tfor ( i = 0, l = jointSource.array.length; i < l; i ++ ) {\n\n\t\t\t\tconst name = jointSource.array[ i ];\n\t\t\t\tconst boneInverse = new Matrix4().fromArray( inverseSource.array, i * inverseSource.stride ).transpose();\n\n\t\t\t\tbuild.joints.push( { name: name, boneInverse: boneInverse } );\n\n\t\t\t}\n\n\t\t\treturn build;\n\n\t\t\t// array sort function\n\n\t\t\tfunction descending( a, b ) {\n\n\t\t\t\treturn b.weight - a.weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getController( id ) {\n\n\t\t\treturn getBuild( library.controllers[ id ], buildController );\n\n\t\t}\n\n\t\t// image\n\n\t\tfunction parseImage( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tinit_from: getElementsByTagName( xml, 'init_from' )[ 0 ].textContent\n\t\t\t};\n\n\t\t\tlibrary.images[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction buildImage( data ) {\n\n\t\t\tif ( data.build !== undefined ) return data.build;\n\n\t\t\treturn data.init_from;\n\n\t\t}\n\n\t\tfunction getImage( id ) {\n\n\t\t\tconst data = library.images[ id ];\n\n\t\t\tif ( data !== undefined ) {\n\n\t\t\t\treturn getBuild( data, buildImage );\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.ColladaLoader: Couldn\\'t find image with ID:', id );\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// effect\n\n\t\tfunction parseEffect( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'profile_COMMON':\n\t\t\t\t\t\tdata.profile = parseEffectProfileCOMMON( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.effects[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseEffectProfileCOMMON( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsurfaces: {},\n\t\t\t\tsamplers: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'newparam':\n\t\t\t\t\t\tparseEffectNewparam( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'technique':\n\t\t\t\t\t\tdata.technique = parseEffectTechnique( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'extra':\n\t\t\t\t\t\tdata.extra = parseEffectExtra( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectNewparam( xml, data ) {\n\n\t\t\tconst sid = xml.getAttribute( 'sid' );\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'surface':\n\t\t\t\t\t\tdata.surfaces[ sid ] = parseEffectSurface( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'sampler2D':\n\t\t\t\t\t\tdata.samplers[ sid ] = parseEffectSampler( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseEffectSurface( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'init_from':\n\t\t\t\t\t\tdata.init_from = child.textContent;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectSampler( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'source':\n\t\t\t\t\t\tdata.source = child.textContent;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectTechnique( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'constant':\n\t\t\t\t\tcase 'lambert':\n\t\t\t\t\tcase 'blinn':\n\t\t\t\t\tcase 'phong':\n\t\t\t\t\t\tdata.type = child.nodeName;\n\t\t\t\t\t\tdata.parameters = parseEffectParameters( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'extra':\n\t\t\t\t\t\tdata.extra = parseEffectExtra( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectParameters( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'emission':\n\t\t\t\t\tcase 'diffuse':\n\t\t\t\t\tcase 'specular':\n\t\t\t\t\tcase 'bump':\n\t\t\t\t\tcase 'ambient':\n\t\t\t\t\tcase 'shininess':\n\t\t\t\t\tcase 'transparency':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseEffectParameter( child );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'transparent':\n\t\t\t\t\t\tdata[ child.nodeName ] = {\n\t\t\t\t\t\t\topaque: child.hasAttribute( 'opaque' ) ? child.getAttribute( 'opaque' ) : 'A_ONE',\n\t\t\t\t\t\t\tdata: parseEffectParameter( child )\n\t\t\t\t\t\t};\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectParameter( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'color':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseFloats( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'float':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseFloat( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'texture':\n\t\t\t\t\t\tdata[ child.nodeName ] = { id: child.getAttribute( 'texture' ), extra: parseEffectParameterTexture( child ) };\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectParameterTexture( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\ttechnique: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'extra':\n\t\t\t\t\t\tparseEffectParameterTextureExtra( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectParameterTextureExtra( xml, data ) {\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique':\n\t\t\t\t\t\tparseEffectParameterTextureExtraTechnique( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseEffectParameterTextureExtraTechnique( xml, data ) {\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'repeatU':\n\t\t\t\t\tcase 'repeatV':\n\t\t\t\t\tcase 'offsetU':\n\t\t\t\t\tcase 'offsetV':\n\t\t\t\t\t\tdata.technique[ child.nodeName ] = parseFloat( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'wrapU':\n\t\t\t\t\tcase 'wrapV':\n\n\t\t\t\t\t\t// some files have values for wrapU/wrapV which become NaN via parseInt\n\n\t\t\t\t\t\tif ( child.textContent.toUpperCase() === 'TRUE' ) {\n\n\t\t\t\t\t\t\tdata.technique[ child.nodeName ] = 1;\n\n\t\t\t\t\t\t} else if ( child.textContent.toUpperCase() === 'FALSE' ) {\n\n\t\t\t\t\t\t\tdata.technique[ child.nodeName ] = 0;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tdata.technique[ child.nodeName ] = parseInt( child.textContent );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bump':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseEffectExtraTechniqueBump( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseEffectExtra( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique':\n\t\t\t\t\t\tdata.technique = parseEffectExtraTechnique( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectExtraTechnique( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'double_sided':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseInt( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'bump':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseEffectExtraTechniqueBump( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseEffectExtraTechniqueBump( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'texture':\n\t\t\t\t\t\tdata[ child.nodeName ] = { id: child.getAttribute( 'texture' ), texcoord: child.getAttribute( 'texcoord' ), extra: parseEffectParameterTexture( child ) };\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildEffect( data ) {\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction getEffect( id ) {\n\n\t\t\treturn getBuild( library.effects[ id ], buildEffect );\n\n\t\t}\n\n\t\t// material\n\n\t\tfunction parseMaterial( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' )\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'instance_effect':\n\t\t\t\t\t\tdata.url = parseId( child.getAttribute( 'url' ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.materials[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction getTextureLoader( image ) {\n\n\t\t\tlet loader;\n\n\t\t\tlet extension = image.slice( ( image.lastIndexOf( '.' ) - 1 >>> 0 ) + 2 ); // http://www.jstips.co/en/javascript/get-file-extension/\n\t\t\textension = extension.toLowerCase();\n\n\t\t\tswitch ( extension ) {\n\n\t\t\t\tcase 'tga':\n\t\t\t\t\tloader = tgaLoader;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tloader = textureLoader;\n\n\t\t\t}\n\n\t\t\treturn loader;\n\n\t\t}\n\n\t\tfunction buildMaterial( data ) {\n\n\t\t\tconst effect = getEffect( data.url );\n\t\t\tconst technique = effect.profile.technique;\n\n\t\t\tlet material;\n\n\t\t\tswitch ( technique.type ) {\n\n\t\t\t\tcase 'phong':\n\t\t\t\tcase 'blinn':\n\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'lambert':\n\t\t\t\t\tmaterial = new MeshLambertMaterial();\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tmaterial = new MeshBasicMaterial();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tmaterial.name = data.name || '';\n\n\t\t\tfunction getTexture( textureObject, colorSpace = null ) {\n\n\t\t\t\tconst sampler = effect.profile.samplers[ textureObject.id ];\n\t\t\t\tlet image = null;\n\n\t\t\t\t// get image\n\n\t\t\t\tif ( sampler !== undefined ) {\n\n\t\t\t\t\tconst surface = effect.profile.surfaces[ sampler.source ];\n\t\t\t\t\timage = getImage( surface.init_from );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Undefined sampler. Access image directly (see #12530).' );\n\t\t\t\t\timage = getImage( textureObject.id );\n\n\t\t\t\t}\n\n\t\t\t\t// create texture if image is available\n\n\t\t\t\tif ( image !== null ) {\n\n\t\t\t\t\tconst loader = getTextureLoader( image );\n\n\t\t\t\t\tif ( loader !== undefined ) {\n\n\t\t\t\t\t\tconst texture = loader.load( image );\n\n\t\t\t\t\t\tconst extra = textureObject.extra;\n\n\t\t\t\t\t\tif ( extra !== undefined && extra.technique !== undefined && isEmpty( extra.technique ) === false ) {\n\n\t\t\t\t\t\t\tconst technique = extra.technique;\n\n\t\t\t\t\t\t\ttexture.wrapS = technique.wrapU ? RepeatWrapping : ClampToEdgeWrapping;\n\t\t\t\t\t\t\ttexture.wrapT = technique.wrapV ? RepeatWrapping : ClampToEdgeWrapping;\n\n\t\t\t\t\t\t\ttexture.offset.set( technique.offsetU || 0, technique.offsetV || 0 );\n\t\t\t\t\t\t\ttexture.repeat.set( technique.repeatU || 1, technique.repeatV || 1 );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\ttexture.wrapS = RepeatWrapping;\n\t\t\t\t\t\t\ttexture.wrapT = RepeatWrapping;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( colorSpace !== null ) {\n\n\t\t\t\t\t\t\ttexture.colorSpace = colorSpace;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\treturn texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Loader for texture %s not found.', image );\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Couldn\\'t create texture with ID:', textureObject.id );\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst parameters = technique.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tconst parameter = parameters[ key ];\n\n\t\t\t\tswitch ( key ) {\n\n\t\t\t\t\tcase 'diffuse':\n\t\t\t\t\t\tif ( parameter.color ) material.color.fromArray( parameter.color );\n\t\t\t\t\t\tif ( parameter.texture ) material.map = getTexture( parameter.texture, SRGBColorSpace );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'specular':\n\t\t\t\t\t\tif ( parameter.color && material.specular ) material.specular.fromArray( parameter.color );\n\t\t\t\t\t\tif ( parameter.texture ) material.specularMap = getTexture( parameter.texture );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'bump':\n\t\t\t\t\t\tif ( parameter.texture ) material.normalMap = getTexture( parameter.texture );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'ambient':\n\t\t\t\t\t\tif ( parameter.texture ) material.lightMap = getTexture( parameter.texture, SRGBColorSpace );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'shininess':\n\t\t\t\t\t\tif ( parameter.float && material.shininess ) material.shininess = parameter.float;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'emission':\n\t\t\t\t\t\tif ( parameter.color && material.emissive ) material.emissive.fromArray( parameter.color );\n\t\t\t\t\t\tif ( parameter.texture ) material.emissiveMap = getTexture( parameter.texture, SRGBColorSpace );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tColorManagement.colorSpaceToWorking( material.color, SRGBColorSpace );\n\t\t\tif ( material.specular ) ColorManagement.colorSpaceToWorking( material.specular, SRGBColorSpace );\n\t\t\tif ( material.emissive ) ColorManagement.colorSpaceToWorking( material.emissive, SRGBColorSpace );\n\n\t\t\t//\n\n\t\t\tlet transparent = parameters[ 'transparent' ];\n\t\t\tlet transparency = parameters[ 'transparency' ];\n\n\t\t\t// does not exist but \n\n\t\t\tif ( transparency === undefined && transparent ) {\n\n\t\t\t\ttransparency = {\n\t\t\t\t\tfloat: 1\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\t// does not exist but \n\n\t\t\tif ( transparent === undefined && transparency ) {\n\n\t\t\t\ttransparent = {\n\t\t\t\t\topaque: 'A_ONE',\n\t\t\t\t\tdata: {\n\t\t\t\t\t\tcolor: [ 1, 1, 1, 1 ]\n\t\t\t\t\t} };\n\n\t\t\t}\n\n\t\t\tif ( transparent && transparency ) {\n\n\t\t\t\t// handle case if a texture exists but no color\n\n\t\t\t\tif ( transparent.data.texture ) {\n\n\t\t\t\t\t// we do not set an alpha map (see #13792)\n\n\t\t\t\t\tmaterial.transparent = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst color = transparent.data.color;\n\n\t\t\t\t\tswitch ( transparent.opaque ) {\n\n\t\t\t\t\t\tcase 'A_ONE':\n\t\t\t\t\t\t\tmaterial.opacity = color[ 3 ] * transparency.float;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'RGB_ZERO':\n\t\t\t\t\t\t\tmaterial.opacity = 1 - ( color[ 0 ] * transparency.float );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'A_ZERO':\n\t\t\t\t\t\t\tmaterial.opacity = 1 - ( color[ 3 ] * transparency.float );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tcase 'RGB_ONE':\n\t\t\t\t\t\t\tmaterial.opacity = color[ 0 ] * transparency.float;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Invalid opaque type \"%s\" of transparent tag.', transparent.opaque );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material.opacity < 1 ) material.transparent = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\n\t\t\tif ( technique.extra !== undefined && technique.extra.technique !== undefined ) {\n\n\t\t\t\tconst techniques = technique.extra.technique;\n\n\t\t\t\tfor ( const k in techniques ) {\n\n\t\t\t\t\tconst v = techniques[ k ];\n\n\t\t\t\t\tswitch ( k ) {\n\n\t\t\t\t\t\tcase 'double_sided':\n\t\t\t\t\t\t\tmaterial.side = ( v === 1 ? DoubleSide : FrontSide );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'bump':\n\t\t\t\t\t\t\tmaterial.normalMap = getTexture( v.texture );\n\t\t\t\t\t\t\tmaterial.normalScale = new Vector2( 1, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn material;\n\n\t\t}\n\n\t\tfunction getMaterial( id ) {\n\n\t\t\treturn getBuild( library.materials[ id ], buildMaterial );\n\n\t\t}\n\n\t\t// camera\n\n\t\tfunction parseCamera( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' )\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'optics':\n\t\t\t\t\t\tdata.optics = parseCameraOptics( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.cameras[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseCameraOptics( xml ) {\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\treturn parseCameraTechnique( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {};\n\n\t\t}\n\n\t\tfunction parseCameraTechnique( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'perspective':\n\t\t\t\t\tcase 'orthographic':\n\n\t\t\t\t\t\tdata.technique = child.nodeName;\n\t\t\t\t\t\tdata.parameters = parseCameraParameters( child );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseCameraParameters( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'xfov':\n\t\t\t\t\tcase 'yfov':\n\t\t\t\t\tcase 'xmag':\n\t\t\t\t\tcase 'ymag':\n\t\t\t\t\tcase 'znear':\n\t\t\t\t\tcase 'zfar':\n\t\t\t\t\tcase 'aspect_ratio':\n\t\t\t\t\t\tdata[ child.nodeName ] = parseFloat( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildCamera( data ) {\n\n\t\t\tlet camera;\n\n\t\t\tswitch ( data.optics.technique ) {\n\n\t\t\t\tcase 'perspective':\n\t\t\t\t\tcamera = new PerspectiveCamera(\n\t\t\t\t\t\tdata.optics.parameters.yfov,\n\t\t\t\t\t\tdata.optics.parameters.aspect_ratio,\n\t\t\t\t\t\tdata.optics.parameters.znear,\n\t\t\t\t\t\tdata.optics.parameters.zfar\n\t\t\t\t\t);\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'orthographic':\n\t\t\t\t\tlet ymag = data.optics.parameters.ymag;\n\t\t\t\t\tlet xmag = data.optics.parameters.xmag;\n\t\t\t\t\tconst aspectRatio = data.optics.parameters.aspect_ratio;\n\n\t\t\t\t\txmag = ( xmag === undefined ) ? ( ymag * aspectRatio ) : xmag;\n\t\t\t\t\tymag = ( ymag === undefined ) ? ( xmag / aspectRatio ) : ymag;\n\n\t\t\t\t\txmag *= 0.5;\n\t\t\t\t\tymag *= 0.5;\n\n\t\t\t\t\tcamera = new OrthographicCamera(\n\t\t\t\t\t\t- xmag, xmag, ymag, - ymag, // left, right, top, bottom\n\t\t\t\t\t\tdata.optics.parameters.znear,\n\t\t\t\t\t\tdata.optics.parameters.zfar\n\t\t\t\t\t);\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tcamera = new PerspectiveCamera();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tcamera.name = data.name || '';\n\n\t\t\treturn camera;\n\n\t\t}\n\n\t\tfunction getCamera( id ) {\n\n\t\t\tconst data = library.cameras[ id ];\n\n\t\t\tif ( data !== undefined ) {\n\n\t\t\t\treturn getBuild( data, buildCamera );\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.ColladaLoader: Couldn\\'t find camera with ID:', id );\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// light\n\n\t\tfunction parseLight( xml ) {\n\n\t\t\tlet data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\tdata = parseLightTechnique( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.lights[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseLightTechnique( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'directional':\n\t\t\t\t\tcase 'point':\n\t\t\t\t\tcase 'spot':\n\t\t\t\t\tcase 'ambient':\n\n\t\t\t\t\t\tdata.technique = child.nodeName;\n\t\t\t\t\t\tdata.parameters = parseLightParameters( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseLightParameters( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'color':\n\t\t\t\t\t\tconst array = parseFloats( child.textContent );\n\t\t\t\t\t\tdata.color = new Color().fromArray( array );\n\t\t\t\t\t\tColorManagement.colorSpaceToWorking( data.color, SRGBColorSpace );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'falloff_angle':\n\t\t\t\t\t\tdata.falloffAngle = parseFloat( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'quadratic_attenuation':\n\t\t\t\t\t\tconst f = parseFloat( child.textContent );\n\t\t\t\t\t\tdata.distance = f ? Math.sqrt( 1 / f ) : 0;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildLight( data ) {\n\n\t\t\tlet light;\n\n\t\t\tswitch ( data.technique ) {\n\n\t\t\t\tcase 'directional':\n\t\t\t\t\tlight = new DirectionalLight();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'point':\n\t\t\t\t\tlight = new PointLight();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'spot':\n\t\t\t\t\tlight = new SpotLight();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'ambient':\n\t\t\t\t\tlight = new AmbientLight();\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( data.parameters.color ) light.color.copy( data.parameters.color );\n\t\t\tif ( data.parameters.distance ) light.distance = data.parameters.distance;\n\n\t\t\treturn light;\n\n\t\t}\n\n\t\tfunction getLight( id ) {\n\n\t\t\tconst data = library.lights[ id ];\n\n\t\t\tif ( data !== undefined ) {\n\n\t\t\t\treturn getBuild( data, buildLight );\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.ColladaLoader: Couldn\\'t find light with ID:', id );\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// geometry\n\n\t\tfunction parseGeometry( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ),\n\t\t\t\tsources: {},\n\t\t\t\tvertices: {},\n\t\t\t\tprimitives: []\n\t\t\t};\n\n\t\t\tconst mesh = getElementsByTagName( xml, 'mesh' )[ 0 ];\n\n\t\t\t// the following tags inside geometry are not supported yet (see https://github.com/mrdoob/three.js/pull/12606): convex_mesh, spline, brep\n\t\t\tif ( mesh === undefined ) return;\n\n\t\t\tfor ( let i = 0; i < mesh.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = mesh.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tconst id = child.getAttribute( 'id' );\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'source':\n\t\t\t\t\t\tdata.sources[ id ] = parseSource( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'vertices':\n\t\t\t\t\t\t// data.sources[ id ] = data.sources[ parseId( getElementsByTagName( child, 'input' )[ 0 ].getAttribute( 'source' ) ) ];\n\t\t\t\t\t\tdata.vertices = parseGeometryVertices( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'polygons':\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Unsupported primitive type: ', child.nodeName );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'lines':\n\t\t\t\t\tcase 'linestrips':\n\t\t\t\t\tcase 'polylist':\n\t\t\t\t\tcase 'triangles':\n\t\t\t\t\t\tdata.primitives.push( parseGeometryPrimitive( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tconsole.log( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.geometries[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parseSource( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tarray: [],\n\t\t\t\tstride: 3\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'float_array':\n\t\t\t\t\t\tdata.array = parseFloats( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Name_array':\n\t\t\t\t\t\tdata.array = parseStrings( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\tconst accessor = getElementsByTagName( child, 'accessor' )[ 0 ];\n\n\t\t\t\t\t\tif ( accessor !== undefined ) {\n\n\t\t\t\t\t\t\tdata.stride = parseInt( accessor.getAttribute( 'stride' ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseGeometryVertices( xml ) {\n\n\t\t\tconst data = {};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tdata[ child.getAttribute( 'semantic' ) ] = parseId( child.getAttribute( 'source' ) );\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseGeometryPrimitive( xml ) {\n\n\t\t\tconst primitive = {\n\t\t\t\ttype: xml.nodeName,\n\t\t\t\tmaterial: xml.getAttribute( 'material' ),\n\t\t\t\tcount: parseInt( xml.getAttribute( 'count' ) ),\n\t\t\t\tinputs: {},\n\t\t\t\tstride: 0,\n\t\t\t\thasUV: false\n\t\t\t};\n\n\t\t\tfor ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'input':\n\t\t\t\t\t\tconst id = parseId( child.getAttribute( 'source' ) );\n\t\t\t\t\t\tconst semantic = child.getAttribute( 'semantic' );\n\t\t\t\t\t\tconst offset = parseInt( child.getAttribute( 'offset' ) );\n\t\t\t\t\t\tconst set = parseInt( child.getAttribute( 'set' ) );\n\t\t\t\t\t\tconst inputname = ( set > 0 ? semantic + set : semantic );\n\t\t\t\t\t\tprimitive.inputs[ inputname ] = { id: id, offset: offset };\n\t\t\t\t\t\tprimitive.stride = Math.max( primitive.stride, offset + 1 );\n\t\t\t\t\t\tif ( semantic === 'TEXCOORD' ) primitive.hasUV = true;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'vcount':\n\t\t\t\t\t\tprimitive.vcount = parseInts( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'p':\n\t\t\t\t\t\tprimitive.p = parseInts( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn primitive;\n\n\t\t}\n\n\t\tfunction groupPrimitives( primitives ) {\n\n\t\t\tconst build = {};\n\n\t\t\tfor ( let i = 0; i < primitives.length; i ++ ) {\n\n\t\t\t\tconst primitive = primitives[ i ];\n\n\t\t\t\tif ( build[ primitive.type ] === undefined ) build[ primitive.type ] = [];\n\n\t\t\t\tbuild[ primitive.type ].push( primitive );\n\n\t\t\t}\n\n\t\t\treturn build;\n\n\t\t}\n\n\t\tfunction checkUVCoordinates( primitives ) {\n\n\t\t\tlet count = 0;\n\n\t\t\tfor ( let i = 0, l = primitives.length; i < l; i ++ ) {\n\n\t\t\t\tconst primitive = primitives[ i ];\n\n\t\t\t\tif ( primitive.hasUV === true ) {\n\n\t\t\t\t\tcount ++;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( count > 0 && count < primitives.length ) {\n\n\t\t\t\tprimitives.uvsNeedsFix = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction buildGeometry( data ) {\n\n\t\t\tconst build = {};\n\n\t\t\tconst sources = data.sources;\n\t\t\tconst vertices = data.vertices;\n\t\t\tconst primitives = data.primitives;\n\n\t\t\tif ( primitives.length === 0 ) return {};\n\n\t\t\t// our goal is to create one buffer geometry for a single type of primitives\n\t\t\t// first, we group all primitives by their type\n\n\t\t\tconst groupedPrimitives = groupPrimitives( primitives );\n\n\t\t\tfor ( const type in groupedPrimitives ) {\n\n\t\t\t\tconst primitiveType = groupedPrimitives[ type ];\n\n\t\t\t\t// second, ensure consistent uv coordinates for each type of primitives (polylist,triangles or lines)\n\n\t\t\t\tcheckUVCoordinates( primitiveType );\n\n\t\t\t\t// third, create a buffer geometry for each type of primitives\n\n\t\t\t\tbuild[ type ] = buildGeometryType( primitiveType, sources, vertices );\n\n\t\t\t}\n\n\t\t\treturn build;\n\n\t\t}\n\n\t\tfunction buildGeometryType( primitives, sources, vertices ) {\n\n\t\t\tconst build = {};\n\n\t\t\tconst position = { array: [], stride: 0 };\n\t\t\tconst normal = { array: [], stride: 0 };\n\t\t\tconst uv = { array: [], stride: 0 };\n\t\t\tconst uv1 = { array: [], stride: 0 };\n\t\t\tconst color = { array: [], stride: 0 };\n\n\t\t\tconst skinIndex = { array: [], stride: 4 };\n\t\t\tconst skinWeight = { array: [], stride: 4 };\n\n\t\t\tconst geometry = new BufferGeometry();\n\n\t\t\tconst materialKeys = [];\n\n\t\t\tlet start = 0;\n\n\t\t\tfor ( let p = 0; p < primitives.length; p ++ ) {\n\n\t\t\t\tconst primitive = primitives[ p ];\n\t\t\t\tconst inputs = primitive.inputs;\n\n\t\t\t\t// groups\n\n\t\t\t\tlet count = 0;\n\n\t\t\t\tswitch ( primitive.type ) {\n\n\t\t\t\t\tcase 'lines':\n\t\t\t\t\tcase 'linestrips':\n\t\t\t\t\t\tcount = primitive.count * 2;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'triangles':\n\t\t\t\t\t\tcount = primitive.count * 3;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'polylist':\n\n\t\t\t\t\t\tfor ( let g = 0; g < primitive.count; g ++ ) {\n\n\t\t\t\t\t\t\tconst vc = primitive.vcount[ g ];\n\n\t\t\t\t\t\t\tswitch ( vc ) {\n\n\t\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\t\tcount += 3; // single triangle\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\t\tcount += 6; // quad, subdivided into two triangles\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\tcount += ( vc - 2 ) * 3; // polylist with more than four vertices\n\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Unknown primitive type:', primitive.type );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.addGroup( start, count, p );\n\t\t\t\tstart += count;\n\n\t\t\t\t// material\n\n\t\t\t\tif ( primitive.material ) {\n\n\t\t\t\t\tmaterialKeys.push( primitive.material );\n\n\t\t\t\t}\n\n\t\t\t\t// geometry data\n\n\t\t\t\tfor ( const name in inputs ) {\n\n\t\t\t\t\tconst input = inputs[ name ];\n\n\t\t\t\t\tswitch ( name )\t{\n\n\t\t\t\t\t\tcase 'VERTEX':\n\t\t\t\t\t\t\tfor ( const key in vertices ) {\n\n\t\t\t\t\t\t\t\tconst id = vertices[ key ];\n\n\t\t\t\t\t\t\t\tswitch ( key ) {\n\n\t\t\t\t\t\t\t\t\tcase 'POSITION':\n\t\t\t\t\t\t\t\t\t\tconst prevLength = position.array.length;\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, position.array );\n\t\t\t\t\t\t\t\t\t\tposition.stride = sources[ id ].stride;\n\n\t\t\t\t\t\t\t\t\t\tif ( sources.skinWeights && sources.skinIndices ) {\n\n\t\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources.skinIndices, input.offset, skinIndex.array );\n\t\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources.skinWeights, input.offset, skinWeight.array );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\t// see #3803\n\n\t\t\t\t\t\t\t\t\t\tif ( primitive.hasUV === false && primitives.uvsNeedsFix === true ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst count = ( position.array.length - prevLength ) / position.stride;\n\n\t\t\t\t\t\t\t\t\t\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\t\t// fill missing uv coordinates\n\n\t\t\t\t\t\t\t\t\t\t\t\tuv.array.push( 0, 0 );\n\n\t\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tcase 'NORMAL':\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, normal.array );\n\t\t\t\t\t\t\t\t\t\tnormal.stride = sources[ id ].stride;\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tcase 'COLOR':\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, color.array );\n\t\t\t\t\t\t\t\t\t\tcolor.stride = sources[ id ].stride;\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tcase 'TEXCOORD':\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, uv.array );\n\t\t\t\t\t\t\t\t\t\tuv.stride = sources[ id ].stride;\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tcase 'TEXCOORD1':\n\t\t\t\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ id ], input.offset, uv1.array );\n\t\t\t\t\t\t\t\t\t\tuv.stride = sources[ id ].stride;\n\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Semantic \"%s\" not handled in geometry build process.', key );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'NORMAL':\n\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ input.id ], input.offset, normal.array );\n\t\t\t\t\t\t\tnormal.stride = sources[ input.id ].stride;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'COLOR':\n\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ input.id ], input.offset, color.array, true );\n\t\t\t\t\t\t\tcolor.stride = sources[ input.id ].stride;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TEXCOORD':\n\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ input.id ], input.offset, uv.array );\n\t\t\t\t\t\t\tuv.stride = sources[ input.id ].stride;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase 'TEXCOORD1':\n\t\t\t\t\t\t\tbuildGeometryData( primitive, sources[ input.id ], input.offset, uv1.array );\n\t\t\t\t\t\t\tuv1.stride = sources[ input.id ].stride;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tif ( position.array.length > 0 ) geometry.setAttribute( 'position', new Float32BufferAttribute( position.array, position.stride ) );\n\t\t\tif ( normal.array.length > 0 ) geometry.setAttribute( 'normal', new Float32BufferAttribute( normal.array, normal.stride ) );\n\t\t\tif ( color.array.length > 0 ) geometry.setAttribute( 'color', new Float32BufferAttribute( color.array, color.stride ) );\n\t\t\tif ( uv.array.length > 0 ) geometry.setAttribute( 'uv', new Float32BufferAttribute( uv.array, uv.stride ) );\n\t\t\tif ( uv1.array.length > 0 ) geometry.setAttribute( 'uv1', new Float32BufferAttribute( uv1.array, uv1.stride ) );\n\n\t\t\tif ( skinIndex.array.length > 0 ) geometry.setAttribute( 'skinIndex', new Float32BufferAttribute( skinIndex.array, skinIndex.stride ) );\n\t\t\tif ( skinWeight.array.length > 0 ) geometry.setAttribute( 'skinWeight', new Float32BufferAttribute( skinWeight.array, skinWeight.stride ) );\n\n\t\t\tbuild.data = geometry;\n\t\t\tbuild.type = primitives[ 0 ].type;\n\t\t\tbuild.materialKeys = materialKeys;\n\n\t\t\treturn build;\n\n\t\t}\n\n\t\tfunction buildGeometryData( primitive, source, offset, array, isColor = false ) {\n\n\t\t\tconst indices = primitive.p;\n\t\t\tconst stride = primitive.stride;\n\t\t\tconst vcount = primitive.vcount;\n\n\t\t\tfunction pushVector( i ) {\n\n\t\t\t\tlet index = indices[ i + offset ] * sourceStride;\n\t\t\t\tconst length = index + sourceStride;\n\n\t\t\t\tfor ( ; index < length; index ++ ) {\n\n\t\t\t\t\tarray.push( sourceArray[ index ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( isColor ) {\n\n\t\t\t\t\t// convert the vertex colors from srgb to linear if present\n\t\t\t\t\tconst startIndex = array.length - sourceStride - 1;\n\t\t\t\t\ttempColor.setRGB(\n\t\t\t\t\t\tarray[ startIndex + 0 ],\n\t\t\t\t\t\tarray[ startIndex + 1 ],\n\t\t\t\t\t\tarray[ startIndex + 2 ],\n\t\t\t\t\t\tSRGBColorSpace\n\t\t\t\t\t);\n\n\t\t\t\t\tarray[ startIndex + 0 ] = tempColor.r;\n\t\t\t\t\tarray[ startIndex + 1 ] = tempColor.g;\n\t\t\t\t\tarray[ startIndex + 2 ] = tempColor.b;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst sourceArray = source.array;\n\t\t\tconst sourceStride = source.stride;\n\n\t\t\tif ( primitive.vcount !== undefined ) {\n\n\t\t\t\tlet index = 0;\n\n\t\t\t\tfor ( let i = 0, l = vcount.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst count = vcount[ i ];\n\n\t\t\t\t\tif ( count === 4 ) {\n\n\t\t\t\t\t\tconst a = index + stride * 0;\n\t\t\t\t\t\tconst b = index + stride * 1;\n\t\t\t\t\t\tconst c = index + stride * 2;\n\t\t\t\t\t\tconst d = index + stride * 3;\n\n\t\t\t\t\t\tpushVector( a ); pushVector( b ); pushVector( d );\n\t\t\t\t\t\tpushVector( b ); pushVector( c ); pushVector( d );\n\n\t\t\t\t\t} else if ( count === 3 ) {\n\n\t\t\t\t\t\tconst a = index + stride * 0;\n\t\t\t\t\t\tconst b = index + stride * 1;\n\t\t\t\t\t\tconst c = index + stride * 2;\n\n\t\t\t\t\t\tpushVector( a ); pushVector( b ); pushVector( c );\n\n\t\t\t\t\t} else if ( count > 4 ) {\n\n\t\t\t\t\t\tfor ( let k = 1, kl = ( count - 2 ); k <= kl; k ++ ) {\n\n\t\t\t\t\t\t\tconst a = index + stride * 0;\n\t\t\t\t\t\t\tconst b = index + stride * k;\n\t\t\t\t\t\t\tconst c = index + stride * ( k + 1 );\n\n\t\t\t\t\t\t\tpushVector( a ); pushVector( b ); pushVector( c );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tindex += stride * count;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( let i = 0, l = indices.length; i < l; i += stride ) {\n\n\t\t\t\t\tpushVector( i );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction getGeometry( id ) {\n\n\t\t\treturn getBuild( library.geometries[ id ], buildGeometry );\n\n\t\t}\n\n\t\t// kinematics\n\n\t\tfunction parseKinematicsModel( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\tjoints: {},\n\t\t\t\tlinks: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\tparseKinematicsTechniqueCommon( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.kinematicsModels[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction buildKinematicsModel( data ) {\n\n\t\t\tif ( data.build !== undefined ) return data.build;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction getKinematicsModel( id ) {\n\n\t\t\treturn getBuild( library.kinematicsModels[ id ], buildKinematicsModel );\n\n\t\t}\n\n\t\tfunction parseKinematicsTechniqueCommon( xml, data ) {\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'joint':\n\t\t\t\t\t\tdata.joints[ child.getAttribute( 'sid' ) ] = parseKinematicsJoint( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'link':\n\t\t\t\t\t\tdata.links.push( parseKinematicsLink( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parseKinematicsJoint( xml ) {\n\n\t\t\tlet data;\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'prismatic':\n\t\t\t\t\tcase 'revolute':\n\t\t\t\t\t\tdata = parseKinematicsJointParameter( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseKinematicsJointParameter( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsid: xml.getAttribute( 'sid' ),\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\taxis: new Vector3(),\n\t\t\t\tlimits: {\n\t\t\t\t\tmin: 0,\n\t\t\t\t\tmax: 0\n\t\t\t\t},\n\t\t\t\ttype: xml.nodeName,\n\t\t\t\tstatic: false,\n\t\t\t\tzeroPosition: 0,\n\t\t\t\tmiddlePosition: 0\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'axis':\n\t\t\t\t\t\tconst array = parseFloats( child.textContent );\n\t\t\t\t\t\tdata.axis.fromArray( array );\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'limits':\n\t\t\t\t\t\tconst max = child.getElementsByTagName( 'max' )[ 0 ];\n\t\t\t\t\t\tconst min = child.getElementsByTagName( 'min' )[ 0 ];\n\n\t\t\t\t\t\tdata.limits.max = parseFloat( max.textContent );\n\t\t\t\t\t\tdata.limits.min = parseFloat( min.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// if min is equal to or greater than max, consider the joint static\n\n\t\t\tif ( data.limits.min >= data.limits.max ) {\n\n\t\t\t\tdata.static = true;\n\n\t\t\t}\n\n\t\t\t// calculate middle position\n\n\t\t\tdata.middlePosition = ( data.limits.min + data.limits.max ) / 2.0;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseKinematicsLink( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tsid: xml.getAttribute( 'sid' ),\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\tattachments: [],\n\t\t\t\ttransforms: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'attachment_full':\n\t\t\t\t\t\tdata.attachments.push( parseKinematicsAttachment( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'matrix':\n\t\t\t\t\tcase 'translate':\n\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\tdata.transforms.push( parseKinematicsTransform( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseKinematicsAttachment( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tjoint: xml.getAttribute( 'joint' ).split( '/' ).pop(),\n\t\t\t\ttransforms: [],\n\t\t\t\tlinks: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'link':\n\t\t\t\t\t\tdata.links.push( parseKinematicsLink( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'matrix':\n\t\t\t\t\tcase 'translate':\n\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\tdata.transforms.push( parseKinematicsTransform( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseKinematicsTransform( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\ttype: xml.nodeName\n\t\t\t};\n\n\t\t\tconst array = parseFloats( xml.textContent );\n\n\t\t\tswitch ( data.type ) {\n\n\t\t\t\tcase 'matrix':\n\t\t\t\t\tdata.obj = new Matrix4();\n\t\t\t\t\tdata.obj.fromArray( array ).transpose();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'translate':\n\t\t\t\t\tdata.obj = new Vector3();\n\t\t\t\t\tdata.obj.fromArray( array );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'rotate':\n\t\t\t\t\tdata.obj = new Vector3();\n\t\t\t\t\tdata.obj.fromArray( array );\n\t\t\t\t\tdata.angle = MathUtils.degToRad( array[ 3 ] );\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// physics\n\n\t\tfunction parsePhysicsModel( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\trigidBodies: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'rigid_body':\n\t\t\t\t\t\tdata.rigidBodies[ child.getAttribute( 'name' ) ] = {};\n\t\t\t\t\t\tparsePhysicsRigidBody( child, data.rigidBodies[ child.getAttribute( 'name' ) ] );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.physicsModels[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction parsePhysicsRigidBody( xml, data ) {\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'technique_common':\n\t\t\t\t\t\tparsePhysicsTechniqueCommon( child, data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction parsePhysicsTechniqueCommon( xml, data ) {\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'inertia':\n\t\t\t\t\t\tdata.inertia = parseFloats( child.textContent );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'mass':\n\t\t\t\t\t\tdata.mass = parseFloats( child.textContent )[ 0 ];\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// scene\n\n\t\tfunction parseKinematicsScene( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tbindJointAxis: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'bind_joint_axis':\n\t\t\t\t\t\tdata.bindJointAxis.push( parseKinematicsBindJointAxis( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tlibrary.kinematicsScenes[ parseId( xml.getAttribute( 'url' ) ) ] = data;\n\n\t\t}\n\n\t\tfunction parseKinematicsBindJointAxis( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\ttarget: xml.getAttribute( 'target' ).split( '/' ).pop()\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'axis':\n\t\t\t\t\t\tconst param = child.getElementsByTagName( 'param' )[ 0 ];\n\t\t\t\t\t\tdata.axis = param.textContent;\n\t\t\t\t\t\tconst tmpJointIndex = data.axis.split( 'inst_' ).pop().split( 'axis' )[ 0 ];\n\t\t\t\t\t\tdata.jointIndex = tmpJointIndex.substring( 0, tmpJointIndex.length - 1 );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildKinematicsScene( data ) {\n\n\t\t\tif ( data.build !== undefined ) return data.build;\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction getKinematicsScene( id ) {\n\n\t\t\treturn getBuild( library.kinematicsScenes[ id ], buildKinematicsScene );\n\n\t\t}\n\n\t\tfunction setupKinematics() {\n\n\t\t\tconst kinematicsModelId = Object.keys( library.kinematicsModels )[ 0 ];\n\t\t\tconst kinematicsSceneId = Object.keys( library.kinematicsScenes )[ 0 ];\n\t\t\tconst visualSceneId = Object.keys( library.visualScenes )[ 0 ];\n\n\t\t\tif ( kinematicsModelId === undefined || kinematicsSceneId === undefined ) return;\n\n\t\t\tconst kinematicsModel = getKinematicsModel( kinematicsModelId );\n\t\t\tconst kinematicsScene = getKinematicsScene( kinematicsSceneId );\n\t\t\tconst visualScene = getVisualScene( visualSceneId );\n\n\t\t\tconst bindJointAxis = kinematicsScene.bindJointAxis;\n\t\t\tconst jointMap = {};\n\n\t\t\tfor ( let i = 0, l = bindJointAxis.length; i < l; i ++ ) {\n\n\t\t\t\tconst axis = bindJointAxis[ i ];\n\n\t\t\t\t// the result of the following query is an element of type 'translate', 'rotate','scale' or 'matrix'\n\n\t\t\t\tconst targetElement = collada.querySelector( '[sid=\"' + axis.target + '\"]' );\n\n\t\t\t\tif ( targetElement ) {\n\n\t\t\t\t\t// get the parent of the transform element\n\n\t\t\t\t\tconst parentVisualElement = targetElement.parentElement;\n\n\t\t\t\t\t// connect the joint of the kinematics model with the element in the visual scene\n\n\t\t\t\t\tconnect( axis.jointIndex, parentVisualElement );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction connect( jointIndex, visualElement ) {\n\n\t\t\t\tconst visualElementName = visualElement.getAttribute( 'name' );\n\t\t\t\tconst joint = kinematicsModel.joints[ jointIndex ];\n\n\t\t\t\tvisualScene.traverse( function ( object ) {\n\n\t\t\t\t\tif ( object.name === visualElementName ) {\n\n\t\t\t\t\t\tjointMap[ jointIndex ] = {\n\t\t\t\t\t\t\tobject: object,\n\t\t\t\t\t\t\ttransforms: buildTransformList( visualElement ),\n\t\t\t\t\t\t\tjoint: joint,\n\t\t\t\t\t\t\tposition: joint.zeroPosition\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tconst m0 = new Matrix4();\n\n\t\t\tkinematics = {\n\n\t\t\t\tjoints: kinematicsModel && kinematicsModel.joints,\n\n\t\t\t\tgetJointValue: function ( jointIndex ) {\n\n\t\t\t\t\tconst jointData = jointMap[ jointIndex ];\n\n\t\t\t\t\tif ( jointData ) {\n\n\t\t\t\t\t\treturn jointData.position;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' doesn\\'t exist.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t},\n\n\t\t\t\tsetJointValue: function ( jointIndex, value ) {\n\n\t\t\t\t\tconst jointData = jointMap[ jointIndex ];\n\n\t\t\t\t\tif ( jointData ) {\n\n\t\t\t\t\t\tconst joint = jointData.joint;\n\n\t\t\t\t\t\tif ( value > joint.limits.max || value < joint.limits.min ) {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' value ' + value + ' outside of limits (min: ' + joint.limits.min + ', max: ' + joint.limits.max + ').' );\n\n\t\t\t\t\t\t} else if ( joint.static ) {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' is static.' );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconst object = jointData.object;\n\t\t\t\t\t\t\tconst axis = joint.axis;\n\t\t\t\t\t\t\tconst transforms = jointData.transforms;\n\n\t\t\t\t\t\t\tmatrix.identity();\n\n\t\t\t\t\t\t\t// each update, we have to apply all transforms in the correct order\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < transforms.length; i ++ ) {\n\n\t\t\t\t\t\t\t\tconst transform = transforms[ i ];\n\n\t\t\t\t\t\t\t\t// if there is a connection of the transform node with a joint, apply the joint value\n\n\t\t\t\t\t\t\t\tif ( transform.sid && transform.sid.indexOf( jointIndex ) !== - 1 ) {\n\n\t\t\t\t\t\t\t\t\tswitch ( joint.type ) {\n\n\t\t\t\t\t\t\t\t\t\tcase 'revolute':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( m0.makeRotationAxis( axis, MathUtils.degToRad( value ) ) );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tcase 'prismatic':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( m0.makeTranslation( axis.x * value, axis.y * value, axis.z * value ) );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Unknown joint type: ' + joint.type );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tswitch ( transform.type ) {\n\n\t\t\t\t\t\t\t\t\t\tcase 'matrix':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( transform.obj );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tcase 'translate':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( m0.makeTranslation( transform.obj.x, transform.obj.y, transform.obj.z ) );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tcase 'scale':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.scale( transform.obj );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\t\t\t\t\t\tmatrix.multiply( m0.makeRotationAxis( transform.obj, transform.angle ) );\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tobject.matrix.copy( matrix );\n\t\t\t\t\t\t\tobject.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\t\t\t\t\tjointMap[ jointIndex ].position = value;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.log( 'THREE.ColladaLoader: ' + jointIndex + ' does not exist.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t\tfunction buildTransformList( node ) {\n\n\t\t\tconst transforms = [];\n\n\t\t\tconst xml = collada.querySelector( '[id=\"' + node.id + '\"]' );\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tlet array, vector;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'matrix':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tconst matrix = new Matrix4().fromArray( array ).transpose();\n\t\t\t\t\t\ttransforms.push( {\n\t\t\t\t\t\t\tsid: child.getAttribute( 'sid' ),\n\t\t\t\t\t\t\ttype: child.nodeName,\n\t\t\t\t\t\t\tobj: matrix\n\t\t\t\t\t\t} );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'translate':\n\t\t\t\t\tcase 'scale':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tvector = new Vector3().fromArray( array );\n\t\t\t\t\t\ttransforms.push( {\n\t\t\t\t\t\t\tsid: child.getAttribute( 'sid' ),\n\t\t\t\t\t\t\ttype: child.nodeName,\n\t\t\t\t\t\t\tobj: vector\n\t\t\t\t\t\t} );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tvector = new Vector3().fromArray( array );\n\t\t\t\t\t\tconst angle = MathUtils.degToRad( array[ 3 ] );\n\t\t\t\t\t\ttransforms.push( {\n\t\t\t\t\t\t\tsid: child.getAttribute( 'sid' ),\n\t\t\t\t\t\t\ttype: child.nodeName,\n\t\t\t\t\t\t\tobj: vector,\n\t\t\t\t\t\t\tangle: angle\n\t\t\t\t\t\t} );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn transforms;\n\n\t\t}\n\n\t\t// nodes\n\n\t\tfunction prepareNodes( xml ) {\n\n\t\t\tconst elements = xml.getElementsByTagName( 'node' );\n\n\t\t\t// ensure all node elements have id attributes\n\n\t\t\tfor ( let i = 0; i < elements.length; i ++ ) {\n\n\t\t\t\tconst element = elements[ i ];\n\n\t\t\t\tif ( element.hasAttribute( 'id' ) === false ) {\n\n\t\t\t\t\telement.setAttribute( 'id', generateId() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst matrix = new Matrix4();\n\t\tconst vector = new Vector3();\n\n\t\tfunction parseNode( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ) || '',\n\t\t\t\ttype: xml.getAttribute( 'type' ),\n\t\t\t\tid: xml.getAttribute( 'id' ),\n\t\t\t\tsid: xml.getAttribute( 'sid' ),\n\t\t\t\tmatrix: new Matrix4(),\n\t\t\t\tnodes: [],\n\t\t\t\tinstanceCameras: [],\n\t\t\t\tinstanceControllers: [],\n\t\t\t\tinstanceLights: [],\n\t\t\t\tinstanceGeometries: [],\n\t\t\t\tinstanceNodes: [],\n\t\t\t\ttransforms: {}\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tif ( child.nodeType !== 1 ) continue;\n\n\t\t\t\tlet array;\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'node':\n\t\t\t\t\t\tdata.nodes.push( child.getAttribute( 'id' ) );\n\t\t\t\t\t\tparseNode( child );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_camera':\n\t\t\t\t\t\tdata.instanceCameras.push( parseId( child.getAttribute( 'url' ) ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_controller':\n\t\t\t\t\t\tdata.instanceControllers.push( parseNodeInstance( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_light':\n\t\t\t\t\t\tdata.instanceLights.push( parseId( child.getAttribute( 'url' ) ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_geometry':\n\t\t\t\t\t\tdata.instanceGeometries.push( parseNodeInstance( child ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'instance_node':\n\t\t\t\t\t\tdata.instanceNodes.push( parseId( child.getAttribute( 'url' ) ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'matrix':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tdata.matrix.multiply( matrix.fromArray( array ).transpose() );\n\t\t\t\t\t\tdata.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'translate':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tvector.fromArray( array );\n\t\t\t\t\t\tdata.matrix.multiply( matrix.makeTranslation( vector.x, vector.y, vector.z ) );\n\t\t\t\t\t\tdata.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'rotate':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tconst angle = MathUtils.degToRad( array[ 3 ] );\n\t\t\t\t\t\tdata.matrix.multiply( matrix.makeRotationAxis( vector.fromArray( array ), angle ) );\n\t\t\t\t\t\tdata.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'scale':\n\t\t\t\t\t\tarray = parseFloats( child.textContent );\n\t\t\t\t\t\tdata.matrix.scale( vector.fromArray( array ) );\n\t\t\t\t\t\tdata.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'extra':\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tconsole.log( child );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasNode( data.id ) ) {\n\n\t\t\t\tconsole.warn( 'THREE.ColladaLoader: There is already a node with ID %s. Exclude current node from further processing.', data.id );\n\n\t\t\t} else {\n\n\t\t\t\tlibrary.nodes[ data.id ] = data;\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction parseNodeInstance( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tid: parseId( xml.getAttribute( 'url' ) ),\n\t\t\t\tmaterials: {},\n\t\t\t\tskeletons: []\n\t\t\t};\n\n\t\t\tfor ( let i = 0; i < xml.childNodes.length; i ++ ) {\n\n\t\t\t\tconst child = xml.childNodes[ i ];\n\n\t\t\t\tswitch ( child.nodeName ) {\n\n\t\t\t\t\tcase 'bind_material':\n\t\t\t\t\t\tconst instances = child.getElementsByTagName( 'instance_material' );\n\n\t\t\t\t\t\tfor ( let j = 0; j < instances.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst instance = instances[ j ];\n\t\t\t\t\t\t\tconst symbol = instance.getAttribute( 'symbol' );\n\t\t\t\t\t\t\tconst target = instance.getAttribute( 'target' );\n\n\t\t\t\t\t\t\tdata.materials[ symbol ] = parseId( target );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'skeleton':\n\t\t\t\t\t\tdata.skeletons.push( parseId( child.textContent ) );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\tfunction buildSkeleton( skeletons, joints ) {\n\n\t\t\tconst boneData = [];\n\t\t\tconst sortedBoneData = [];\n\n\t\t\tlet i, j, data;\n\n\t\t\t// a skeleton can have multiple root bones. collada expresses this\n\t\t\t// situation with multiple \"skeleton\" tags per controller instance\n\n\t\t\tfor ( i = 0; i < skeletons.length; i ++ ) {\n\n\t\t\t\tconst skeleton = skeletons[ i ];\n\n\t\t\t\tlet root;\n\n\t\t\t\tif ( hasNode( skeleton ) ) {\n\n\t\t\t\t\troot = getNode( skeleton );\n\t\t\t\t\tbuildBoneHierarchy( root, joints, boneData );\n\n\t\t\t\t} else if ( hasVisualScene( skeleton ) ) {\n\n\t\t\t\t\t// handle case where the skeleton refers to the visual scene (#13335)\n\n\t\t\t\t\tconst visualScene = library.visualScenes[ skeleton ];\n\t\t\t\t\tconst children = visualScene.children;\n\n\t\t\t\t\tfor ( let j = 0; j < children.length; j ++ ) {\n\n\t\t\t\t\t\tconst child = children[ j ];\n\n\t\t\t\t\t\tif ( child.type === 'JOINT' ) {\n\n\t\t\t\t\t\t\tconst root = getNode( child.id );\n\t\t\t\t\t\t\tbuildBoneHierarchy( root, joints, boneData );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.ColladaLoader: Unable to find root bone of skeleton with ID:', skeleton );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// sort bone data (the order is defined in the corresponding controller)\n\n\t\t\tfor ( i = 0; i < joints.length; i ++ ) {\n\n\t\t\t\tfor ( j = 0; j < boneData.length; j ++ ) {\n\n\t\t\t\t\tdata = boneData[ j ];\n\n\t\t\t\t\tif ( data.bone.name === joints[ i ].name ) {\n\n\t\t\t\t\t\tsortedBoneData[ i ] = data;\n\t\t\t\t\t\tdata.processed = true;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add unprocessed bone data at the end of the list\n\n\t\t\tfor ( i = 0; i < boneData.length; i ++ ) {\n\n\t\t\t\tdata = boneData[ i ];\n\n\t\t\t\tif ( data.processed === false ) {\n\n\t\t\t\t\tsortedBoneData.push( data );\n\t\t\t\t\tdata.processed = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// setup arrays for skeleton creation\n\n\t\t\tconst bones = [];\n\t\t\tconst boneInverses = [];\n\n\t\t\tfor ( i = 0; i < sortedBoneData.length; i ++ ) {\n\n\t\t\t\tdata = sortedBoneData[ i ];\n\n\t\t\t\tbones.push( data.bone );\n\t\t\t\tboneInverses.push( data.boneInverse );\n\n\t\t\t}\n\n\t\t\treturn new Skeleton( bones, boneInverses );\n\n\t\t}\n\n\t\tfunction buildBoneHierarchy( root, joints, boneData ) {\n\n\t\t\t// setup bone data from visual scene\n\n\t\t\troot.traverse( function ( object ) {\n\n\t\t\t\tif ( object.isBone === true ) {\n\n\t\t\t\t\tlet boneInverse;\n\n\t\t\t\t\t// retrieve the boneInverse from the controller data\n\n\t\t\t\t\tfor ( let i = 0; i < joints.length; i ++ ) {\n\n\t\t\t\t\t\tconst joint = joints[ i ];\n\n\t\t\t\t\t\tif ( joint.name === object.name ) {\n\n\t\t\t\t\t\t\tboneInverse = joint.boneInverse;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( boneInverse === undefined ) {\n\n\t\t\t\t\t\t// Unfortunately, there can be joints in the visual scene that are not part of the\n\t\t\t\t\t\t// corresponding controller. In this case, we have to create a dummy boneInverse matrix\n\t\t\t\t\t\t// for the respective bone. This bone won't affect any vertices, because there are no skin indices\n\t\t\t\t\t\t// and weights defined for it. But we still have to add the bone to the sorted bone list in order to\n\t\t\t\t\t\t// ensure a correct animation of the model.\n\n\t\t\t\t\t\tboneInverse = new Matrix4();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tboneData.push( { bone: object, boneInverse: boneInverse, processed: false } );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction buildNode( data ) {\n\n\t\t\tconst objects = [];\n\n\t\t\tconst matrix = data.matrix;\n\t\t\tconst nodes = data.nodes;\n\t\t\tconst type = data.type;\n\t\t\tconst instanceCameras = data.instanceCameras;\n\t\t\tconst instanceControllers = data.instanceControllers;\n\t\t\tconst instanceLights = data.instanceLights;\n\t\t\tconst instanceGeometries = data.instanceGeometries;\n\t\t\tconst instanceNodes = data.instanceNodes;\n\n\t\t\t// nodes\n\n\t\t\tfor ( let i = 0, l = nodes.length; i < l; i ++ ) {\n\n\t\t\t\tobjects.push( getNode( nodes[ i ] ) );\n\n\t\t\t}\n\n\t\t\t// instance cameras\n\n\t\t\tfor ( let i = 0, l = instanceCameras.length; i < l; i ++ ) {\n\n\t\t\t\tconst instanceCamera = getCamera( instanceCameras[ i ] );\n\n\t\t\t\tif ( instanceCamera !== null ) {\n\n\t\t\t\t\tobjects.push( instanceCamera.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// instance controllers\n\n\t\t\tfor ( let i = 0, l = instanceControllers.length; i < l; i ++ ) {\n\n\t\t\t\tconst instance = instanceControllers[ i ];\n\t\t\t\tconst controller = getController( instance.id );\n\t\t\t\tconst geometries = getGeometry( controller.id );\n\t\t\t\tconst newObjects = buildObjects( geometries, instance.materials );\n\n\t\t\t\tconst skeletons = instance.skeletons;\n\t\t\t\tconst joints = controller.skin.joints;\n\n\t\t\t\tconst skeleton = buildSkeleton( skeletons, joints );\n\n\t\t\t\tfor ( let j = 0, jl = newObjects.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst object = newObjects[ j ];\n\n\t\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t\tobject.bind( skeleton, controller.skin.bindMatrix );\n\t\t\t\t\t\tobject.normalizeSkinWeights();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects.push( object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// instance lights\n\n\t\t\tfor ( let i = 0, l = instanceLights.length; i < l; i ++ ) {\n\n\t\t\t\tconst instanceLight = getLight( instanceLights[ i ] );\n\n\t\t\t\tif ( instanceLight !== null ) {\n\n\t\t\t\t\tobjects.push( instanceLight.clone() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// instance geometries\n\n\t\t\tfor ( let i = 0, l = instanceGeometries.length; i < l; i ++ ) {\n\n\t\t\t\tconst instance = instanceGeometries[ i ];\n\n\t\t\t\t// a single geometry instance in collada can lead to multiple object3Ds.\n\t\t\t\t// this is the case when primitives are combined like triangles and lines\n\n\t\t\t\tconst geometries = getGeometry( instance.id );\n\t\t\t\tconst newObjects = buildObjects( geometries, instance.materials );\n\n\t\t\t\tfor ( let j = 0, jl = newObjects.length; j < jl; j ++ ) {\n\n\t\t\t\t\tobjects.push( newObjects[ j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// instance nodes\n\n\t\t\tfor ( let i = 0, l = instanceNodes.length; i < l; i ++ ) {\n\n\t\t\t\tobjects.push( getNode( instanceNodes[ i ] ).clone() );\n\n\t\t\t}\n\n\t\t\tlet object;\n\n\t\t\tif ( nodes.length === 0 && objects.length === 1 ) {\n\n\t\t\t\tobject = objects[ 0 ];\n\n\t\t\t} else {\n\n\t\t\t\tobject = ( type === 'JOINT' ) ? new Bone() : new Group();\n\n\t\t\t\tfor ( let i = 0; i < objects.length; i ++ ) {\n\n\t\t\t\t\tobject.add( objects[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tobject.name = ( type === 'JOINT' ) ? data.sid : data.name;\n\t\t\tobject.matrix.copy( matrix );\n\t\t\tobject.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t\treturn object;\n\n\t\t}\n\n\t\tconst fallbackMaterial = new MeshBasicMaterial( {\n\t\t\tname: Loader.DEFAULT_MATERIAL_NAME,\n\t\t\tcolor: 0xff00ff\n\t\t} );\n\n\t\tfunction resolveMaterialBinding( keys, instanceMaterials ) {\n\n\t\t\tconst materials = [];\n\n\t\t\tfor ( let i = 0, l = keys.length; i < l; i ++ ) {\n\n\t\t\t\tconst id = instanceMaterials[ keys[ i ] ];\n\n\t\t\t\tif ( id === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Material with key %s not found. Apply fallback material.', keys[ i ] );\n\t\t\t\t\tmaterials.push( fallbackMaterial );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tmaterials.push( getMaterial( id ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn materials;\n\n\t\t}\n\n\t\tfunction buildObjects( geometries, instanceMaterials ) {\n\n\t\t\tconst objects = [];\n\n\t\t\tfor ( const type in geometries ) {\n\n\t\t\t\tconst geometry = geometries[ type ];\n\n\t\t\t\tconst materials = resolveMaterialBinding( geometry.materialKeys, instanceMaterials );\n\n\t\t\t\t// handle case if no materials are defined\n\n\t\t\t\tif ( materials.length === 0 ) {\n\n\t\t\t\t\tif ( type === 'lines' || type === 'linestrips' ) {\n\n\t\t\t\t\t\tmaterials.push( new LineBasicMaterial() );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmaterials.push( new MeshPhongMaterial() );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Collada allows to use phong and lambert materials with lines. Replacing these cases with LineBasicMaterial.\n\n\t\t\t\tif ( type === 'lines' || type === 'linestrips' ) {\n\n\t\t\t\t\tfor ( let i = 0, l = materials.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst material = materials[ i ];\n\n\t\t\t\t\t\tif ( material.isMeshPhongMaterial === true || material.isMeshLambertMaterial === true ) {\n\n\t\t\t\t\t\t\tconst lineMaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t\t// copy compatible properties\n\n\t\t\t\t\t\t\tlineMaterial.color.copy( material.color );\n\t\t\t\t\t\t\tlineMaterial.opacity = material.opacity;\n\t\t\t\t\t\t\tlineMaterial.transparent = material.transparent;\n\n\t\t\t\t\t\t\t// replace material\n\n\t\t\t\t\t\t\tmaterials[ i ] = lineMaterial;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// regard skinning\n\n\t\t\t\tconst skinning = ( geometry.data.attributes.skinIndex !== undefined );\n\n\t\t\t\t// choose between a single or multi materials (material array)\n\n\t\t\t\tconst material = ( materials.length === 1 ) ? materials[ 0 ] : materials;\n\n\t\t\t\t// now create a specific 3D object\n\n\t\t\t\tlet object;\n\n\t\t\t\tswitch ( type ) {\n\n\t\t\t\t\tcase 'lines':\n\t\t\t\t\t\tobject = new LineSegments( geometry.data, material );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'linestrips':\n\t\t\t\t\t\tobject = new Line( geometry.data, material );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'triangles':\n\t\t\t\t\tcase 'polylist':\n\t\t\t\t\t\tif ( skinning ) {\n\n\t\t\t\t\t\t\tobject = new SkinnedMesh( geometry.data, material );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tobject = new Mesh( geometry.data, material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tobjects.push( object );\n\n\t\t\t}\n\n\t\t\treturn objects;\n\n\t\t}\n\n\t\tfunction hasNode( id ) {\n\n\t\t\treturn library.nodes[ id ] !== undefined;\n\n\t\t}\n\n\t\tfunction getNode( id ) {\n\n\t\t\treturn getBuild( library.nodes[ id ], buildNode );\n\n\t\t}\n\n\t\t// visual scenes\n\n\t\tfunction parseVisualScene( xml ) {\n\n\t\t\tconst data = {\n\t\t\t\tname: xml.getAttribute( 'name' ),\n\t\t\t\tchildren: []\n\t\t\t};\n\n\t\t\tprepareNodes( xml );\n\n\t\t\tconst elements = getElementsByTagName( xml, 'node' );\n\n\t\t\tfor ( let i = 0; i < elements.length; i ++ ) {\n\n\t\t\t\tdata.children.push( parseNode( elements[ i ] ) );\n\n\t\t\t}\n\n\t\t\tlibrary.visualScenes[ xml.getAttribute( 'id' ) ] = data;\n\n\t\t}\n\n\t\tfunction buildVisualScene( data ) {\n\n\t\t\tconst group = new Group();\n\t\t\tgroup.name = data.name;\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tconst child = children[ i ];\n\n\t\t\t\tgroup.add( getNode( child.id ) );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t}\n\n\t\tfunction hasVisualScene( id ) {\n\n\t\t\treturn library.visualScenes[ id ] !== undefined;\n\n\t\t}\n\n\t\tfunction getVisualScene( id ) {\n\n\t\t\treturn getBuild( library.visualScenes[ id ], buildVisualScene );\n\n\t\t}\n\n\t\t// scenes\n\n\t\tfunction parseScene( xml ) {\n\n\t\t\tconst instance = getElementsByTagName( xml, 'instance_visual_scene' )[ 0 ];\n\t\t\treturn getVisualScene( parseId( instance.getAttribute( 'url' ) ) );\n\n\t\t}\n\n\t\tfunction setupAnimations() {\n\n\t\t\tconst clips = library.clips;\n\n\t\t\tif ( isEmpty( clips ) === true ) {\n\n\t\t\t\tif ( isEmpty( library.animations ) === false ) {\n\n\t\t\t\t\t// if there are animations but no clips, we create a default clip for playback\n\n\t\t\t\t\tconst tracks = [];\n\n\t\t\t\t\tfor ( const id in library.animations ) {\n\n\t\t\t\t\t\tconst animationTracks = getAnimation( id );\n\n\t\t\t\t\t\tfor ( let i = 0, l = animationTracks.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\ttracks.push( animationTracks[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tanimations.push( new AnimationClip( 'default', - 1, tracks ) );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tfor ( const id in clips ) {\n\n\t\t\t\t\tanimations.push( getAnimationClip( id ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// convert the parser error element into text with each child elements text\n\t\t// separated by new lines.\n\n\t\tfunction parserErrorToText( parserError ) {\n\n\t\t\tlet result = '';\n\t\t\tconst stack = [ parserError ];\n\n\t\t\twhile ( stack.length ) {\n\n\t\t\t\tconst node = stack.shift();\n\n\t\t\t\tif ( node.nodeType === Node.TEXT_NODE ) {\n\n\t\t\t\t\tresult += node.textContent;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tresult += '\\n';\n\t\t\t\t\tstack.push( ...node.childNodes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn result.trim();\n\n\t\t}\n\n\t\tif ( text.length === 0 ) {\n\n\t\t\treturn { scene: new Scene() };\n\n\t\t}\n\n\t\tconst xml = new DOMParser().parseFromString( text, 'application/xml' );\n\n\t\tconst collada = getElementsByTagName( xml, 'COLLADA' )[ 0 ];\n\n\t\tconst parserError = xml.getElementsByTagName( 'parsererror' )[ 0 ];\n\t\tif ( parserError !== undefined ) {\n\n\t\t\t// Chrome will return parser error with a div in it\n\n\t\t\tconst errorElement = getElementsByTagName( parserError, 'div' )[ 0 ];\n\t\t\tlet errorText;\n\n\t\t\tif ( errorElement ) {\n\n\t\t\t\terrorText = errorElement.textContent;\n\n\t\t\t} else {\n\n\t\t\t\terrorText = parserErrorToText( parserError );\n\n\t\t\t}\n\n\t\t\tconsole.error( 'THREE.ColladaLoader: Failed to parse collada file.\\n', errorText );\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// metadata\n\n\t\tconst version = collada.getAttribute( 'version' );\n\t\tconsole.debug( 'THREE.ColladaLoader: File version', version );\n\n\t\tconst asset = parseAsset( getElementsByTagName( collada, 'asset' )[ 0 ] );\n\t\tconst textureLoader = new TextureLoader( this.manager );\n\t\ttextureLoader.setPath( this.resourcePath || path ).setCrossOrigin( this.crossOrigin );\n\n\t\tlet tgaLoader;\n\n\t\tif ( TGALoader ) {\n\n\t\t\ttgaLoader = new TGALoader( this.manager );\n\t\t\ttgaLoader.setPath( this.resourcePath || path );\n\n\t\t}\n\n\t\t//\n\n\t\tconst tempColor = new Color();\n\t\tconst animations = [];\n\t\tlet kinematics = {};\n\t\tlet count = 0;\n\n\t\t//\n\n\t\tconst library = {\n\t\t\tanimations: {},\n\t\t\tclips: {},\n\t\t\tcontrollers: {},\n\t\t\timages: {},\n\t\t\teffects: {},\n\t\t\tmaterials: {},\n\t\t\tcameras: {},\n\t\t\tlights: {},\n\t\t\tgeometries: {},\n\t\t\tnodes: {},\n\t\t\tvisualScenes: {},\n\t\t\tkinematicsModels: {},\n\t\t\tphysicsModels: {},\n\t\t\tkinematicsScenes: {}\n\t\t};\n\n\t\tparseLibrary( collada, 'library_animations', 'animation', parseAnimation );\n\t\tparseLibrary( collada, 'library_animation_clips', 'animation_clip', parseAnimationClip );\n\t\tparseLibrary( collada, 'library_controllers', 'controller', parseController );\n\t\tparseLibrary( collada, 'library_images', 'image', parseImage );\n\t\tparseLibrary( collada, 'library_effects', 'effect', parseEffect );\n\t\tparseLibrary( collada, 'library_materials', 'material', parseMaterial );\n\t\tparseLibrary( collada, 'library_cameras', 'camera', parseCamera );\n\t\tparseLibrary( collada, 'library_lights', 'light', parseLight );\n\t\tparseLibrary( collada, 'library_geometries', 'geometry', parseGeometry );\n\t\tparseLibrary( collada, 'library_nodes', 'node', parseNode );\n\t\tparseLibrary( collada, 'library_visual_scenes', 'visual_scene', parseVisualScene );\n\t\tparseLibrary( collada, 'library_kinematics_models', 'kinematics_model', parseKinematicsModel );\n\t\tparseLibrary( collada, 'library_physics_models', 'physics_model', parsePhysicsModel );\n\t\tparseLibrary( collada, 'scene', 'instance_kinematics_scene', parseKinematicsScene );\n\n\t\tbuildLibrary( library.animations, buildAnimation );\n\t\tbuildLibrary( library.clips, buildAnimationClip );\n\t\tbuildLibrary( library.controllers, buildController );\n\t\tbuildLibrary( library.images, buildImage );\n\t\tbuildLibrary( library.effects, buildEffect );\n\t\tbuildLibrary( library.materials, buildMaterial );\n\t\tbuildLibrary( library.cameras, buildCamera );\n\t\tbuildLibrary( library.lights, buildLight );\n\t\tbuildLibrary( library.geometries, buildGeometry );\n\t\tbuildLibrary( library.visualScenes, buildVisualScene );\n\n\t\tsetupAnimations();\n\t\tsetupKinematics();\n\n\t\tconst scene = parseScene( getElementsByTagName( collada, 'scene' )[ 0 ] );\n\t\tscene.animations = animations;\n\n\t\tif ( asset.upAxis === 'Z_UP' ) {\n\n\t\t\tconsole.warn( 'THREE.ColladaLoader: You are loading an asset with a Z-UP coordinate system. The loader just rotates the asset to transform it into Y-UP. The vertex data are not converted, see #24289.' );\n\t\t\tscene.rotation.set( - Math.PI / 2, 0, 0 );\n\n\t\t}\n\n\t\tscene.scale.multiplyScalar( asset.unit );\n\n\t\treturn {\n\t\t\tget animations() {\n\n\t\t\t\tconsole.warn( 'THREE.ColladaLoader: Please access animations over scene.animations now.' );\n\t\t\t\treturn animations;\n\n\t\t\t},\n\t\t\tkinematics: kinematics,\n\t\t\tlibrary: library,\n\t\t\tscene: scene\n\t\t};\n\n\t}\n\n}\n\nexport { ColladaLoader };\n"], + "mappings": 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+ "names": ["header", "use_rle", "use_pal", "offset", "imageData", "xml", "text", "library", "animations", "technique", "count", "position", "vector", "matrix", "j", "root", "object", "material", "parserError"] +} diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_GLTFLoader__js.js b/node_modules/.vite/deps/three_examples_jsm_loaders_GLTFLoader__js.js new file mode 100644 index 0000000..25ea164 --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_GLTFLoader__js.js @@ -0,0 +1,2695 @@ +import { + AnimationClip, + Bone, + Box3, + BufferAttribute, + BufferGeometry, + ClampToEdgeWrapping, + Color, + ColorManagement, + DirectionalLight, + DoubleSide, + FileLoader, + FrontSide, + Group, + ImageBitmapLoader, + InstancedBufferAttribute, + InstancedMesh, + InterleavedBuffer, + InterleavedBufferAttribute, + Interpolant, + InterpolateDiscrete, + InterpolateLinear, + Line, + LineBasicMaterial, + LineLoop, + LineSegments, + LinearFilter, + LinearMipmapLinearFilter, + LinearMipmapNearestFilter, + LinearSRGBColorSpace, + Loader, + LoaderUtils, + Material, + MathUtils, + Matrix4, + Mesh, + MeshBasicMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MirroredRepeatWrapping, + NearestFilter, + NearestMipmapLinearFilter, + NearestMipmapNearestFilter, + NumberKeyframeTrack, + Object3D, + OrthographicCamera, + PerspectiveCamera, + PointLight, + Points, + PointsMaterial, + PropertyBinding, + Quaternion, + QuaternionKeyframeTrack, + RepeatWrapping, + SRGBColorSpace, + Skeleton, + SkinnedMesh, + Sphere, + SpotLight, + Texture, + TextureLoader, + TriangleFanDrawMode, + TriangleStripDrawMode, + TrianglesDrawMode, + Vector2, + Vector3, + VectorKeyframeTrack +} from "./chunk-4JECOO4M.js"; + +// node_modules/three/examples/jsm/utils/BufferGeometryUtils.js +function toTrianglesDrawMode(geometry, drawMode) { + if (drawMode === TrianglesDrawMode) { + console.warn("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles."); + return geometry; + } + if (drawMode === TriangleFanDrawMode || drawMode === TriangleStripDrawMode) { + let index = geometry.getIndex(); + if (index === null) { + const indices = []; + const position = geometry.getAttribute("position"); + if (position !== void 0) { + for (let i = 0; i < position.count; i++) { + indices.push(i); + } + geometry.setIndex(indices); + index = geometry.getIndex(); + } else { + console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible."); + return geometry; + } + } + const numberOfTriangles = index.count - 2; + const newIndices = []; + if (drawMode === TriangleFanDrawMode) { + for (let i = 1; i <= numberOfTriangles; i++) { + newIndices.push(index.getX(0)); + newIndices.push(index.getX(i)); + newIndices.push(index.getX(i + 1)); + } + } else { + for (let i = 0; i < numberOfTriangles; i++) { + if (i % 2 === 0) { + newIndices.push(index.getX(i)); + newIndices.push(index.getX(i + 1)); + newIndices.push(index.getX(i + 2)); + } else { + newIndices.push(index.getX(i + 2)); + newIndices.push(index.getX(i + 1)); + newIndices.push(index.getX(i)); + } + } + } + if (newIndices.length / 3 !== numberOfTriangles) { + console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles."); + } + const newGeometry = geometry.clone(); + newGeometry.setIndex(newIndices); + newGeometry.clearGroups(); + return newGeometry; + } else { + console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:", drawMode); + return geometry; + } +} + +// node_modules/three/examples/jsm/loaders/GLTFLoader.js +var GLTFLoader = class extends Loader { + /** + * Constructs a new glTF loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + this.dracoLoader = null; + this.ktx2Loader = null; + this.meshoptDecoder = null; + this.pluginCallbacks = []; + this.register(function(parser) { + return new GLTFMaterialsClearcoatExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsDispersionExtension(parser); + }); + this.register(function(parser) { + return new GLTFTextureBasisUExtension(parser); + }); + this.register(function(parser) { + return new GLTFTextureWebPExtension(parser); + }); + this.register(function(parser) { + return new GLTFTextureAVIFExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsSheenExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsTransmissionExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsVolumeExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsIorExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsEmissiveStrengthExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsSpecularExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsIridescenceExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsAnisotropyExtension(parser); + }); + this.register(function(parser) { + return new GLTFMaterialsBumpExtension(parser); + }); + this.register(function(parser) { + return new GLTFLightsExtension(parser); + }); + this.register(function(parser) { + return new GLTFMeshoptCompression(parser); + }); + this.register(function(parser) { + return new GLTFMeshGpuInstancing(parser); + }); + } + /** + * Starts loading from the given URL and passes the loaded glTF asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(GLTFLoader~LoadObject)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + let resourcePath; + if (this.resourcePath !== "") { + resourcePath = this.resourcePath; + } else if (this.path !== "") { + const relativeUrl = LoaderUtils.extractUrlBase(url); + resourcePath = LoaderUtils.resolveURL(relativeUrl, this.path); + } else { + resourcePath = LoaderUtils.extractUrlBase(url); + } + this.manager.itemStart(url); + const _onError = function(e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + scope.manager.itemEnd(url); + }; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setResponseType("arraybuffer"); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(data) { + try { + scope.parse(data, resourcePath, function(gltf) { + onLoad(gltf); + scope.manager.itemEnd(url); + }, _onError); + } catch (e) { + _onError(e); + } + }, onProgress, _onError); + } + /** + * Sets the given Draco loader to this loader. Required for decoding assets + * compressed with the `KHR_draco_mesh_compression` extension. + * + * @param {DRACOLoader} dracoLoader - The Draco loader to set. + * @return {GLTFLoader} A reference to this loader. + */ + setDRACOLoader(dracoLoader) { + this.dracoLoader = dracoLoader; + return this; + } + /** + * Sets the given KTX2 loader to this loader. Required for loading KTX2 + * compressed textures. + * + * @param {KTX2Loader} ktx2Loader - The KTX2 loader to set. + * @return {GLTFLoader} A reference to this loader. + */ + setKTX2Loader(ktx2Loader) { + this.ktx2Loader = ktx2Loader; + return this; + } + /** + * Sets the given meshopt decoder. Required for decoding assets + * compressed with the `EXT_meshopt_compression` extension. + * + * @param {Object} meshoptDecoder - The meshopt decoder to set. + * @return {GLTFLoader} A reference to this loader. + */ + setMeshoptDecoder(meshoptDecoder) { + this.meshoptDecoder = meshoptDecoder; + return this; + } + /** + * Registers a plugin callback. This API is internally used to implement the various + * glTF extensions but can also used by third-party code to add additional logic + * to the loader. + * + * @param {function(parser:GLTFParser)} callback - The callback function to register. + * @return {GLTFLoader} A reference to this loader. + */ + register(callback) { + if (this.pluginCallbacks.indexOf(callback) === -1) { + this.pluginCallbacks.push(callback); + } + return this; + } + /** + * Unregisters a plugin callback. + * + * @param {Function} callback - The callback function to unregister. + * @return {GLTFLoader} A reference to this loader. + */ + unregister(callback) { + if (this.pluginCallbacks.indexOf(callback) !== -1) { + this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(callback), 1); + } + return this; + } + /** + * Parses the given FBX data and returns the resulting group. + * + * @param {string|ArrayBuffer} data - The raw glTF data. + * @param {string} path - The URL base path. + * @param {function(GLTFLoader~LoadObject)} onLoad - Executed when the loading process has been finished. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + parse(data, path, onLoad, onError) { + let json; + const extensions = {}; + const plugins = {}; + const textDecoder = new TextDecoder(); + if (typeof data === "string") { + json = JSON.parse(data); + } else if (data instanceof ArrayBuffer) { + const magic = textDecoder.decode(new Uint8Array(data, 0, 4)); + if (magic === BINARY_EXTENSION_HEADER_MAGIC) { + try { + extensions[EXTENSIONS.KHR_BINARY_GLTF] = new GLTFBinaryExtension(data); + } catch (error) { + if (onError) onError(error); + return; + } + json = JSON.parse(extensions[EXTENSIONS.KHR_BINARY_GLTF].content); + } else { + json = JSON.parse(textDecoder.decode(data)); + } + } else { + json = data; + } + if (json.asset === void 0 || json.asset.version[0] < 2) { + if (onError) onError(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.")); + return; + } + const parser = new GLTFParser(json, { + path: path || this.resourcePath || "", + crossOrigin: this.crossOrigin, + requestHeader: this.requestHeader, + manager: this.manager, + ktx2Loader: this.ktx2Loader, + meshoptDecoder: this.meshoptDecoder + }); + parser.fileLoader.setRequestHeader(this.requestHeader); + for (let i = 0; i < this.pluginCallbacks.length; i++) { + const plugin = this.pluginCallbacks[i](parser); + if (!plugin.name) console.error("THREE.GLTFLoader: Invalid plugin found: missing name"); + plugins[plugin.name] = plugin; + extensions[plugin.name] = true; + } + if (json.extensionsUsed) { + for (let i = 0; i < json.extensionsUsed.length; ++i) { + const extensionName = json.extensionsUsed[i]; + const extensionsRequired = json.extensionsRequired || []; + switch (extensionName) { + case EXTENSIONS.KHR_MATERIALS_UNLIT: + extensions[extensionName] = new GLTFMaterialsUnlitExtension(); + break; + case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION: + extensions[extensionName] = new GLTFDracoMeshCompressionExtension(json, this.dracoLoader); + break; + case EXTENSIONS.KHR_TEXTURE_TRANSFORM: + extensions[extensionName] = new GLTFTextureTransformExtension(); + break; + case EXTENSIONS.KHR_MESH_QUANTIZATION: + extensions[extensionName] = new GLTFMeshQuantizationExtension(); + break; + default: + if (extensionsRequired.indexOf(extensionName) >= 0 && plugins[extensionName] === void 0) { + console.warn('THREE.GLTFLoader: Unknown extension "' + extensionName + '".'); + } + } + } + } + parser.setExtensions(extensions); + parser.setPlugins(plugins); + parser.parse(onLoad, onError); + } + /** + * Async version of {@link GLTFLoader#parse}. + * + * @async + * @param {string|ArrayBuffer} data - The raw glTF data. + * @param {string} path - The URL base path. + * @return {Promise} A Promise that resolves with the loaded glTF when the parsing has been finished. + */ + parseAsync(data, path) { + const scope = this; + return new Promise(function(resolve, reject) { + scope.parse(data, path, resolve, reject); + }); + } +}; +function GLTFRegistry() { + let objects = {}; + return { + get: function(key) { + return objects[key]; + }, + add: function(key, object) { + objects[key] = object; + }, + remove: function(key) { + delete objects[key]; + }, + removeAll: function() { + objects = {}; + } + }; +} +var EXTENSIONS = { + KHR_BINARY_GLTF: "KHR_binary_glTF", + KHR_DRACO_MESH_COMPRESSION: "KHR_draco_mesh_compression", + KHR_LIGHTS_PUNCTUAL: "KHR_lights_punctual", + KHR_MATERIALS_CLEARCOAT: "KHR_materials_clearcoat", + KHR_MATERIALS_DISPERSION: "KHR_materials_dispersion", + KHR_MATERIALS_IOR: "KHR_materials_ior", + KHR_MATERIALS_SHEEN: "KHR_materials_sheen", + KHR_MATERIALS_SPECULAR: "KHR_materials_specular", + KHR_MATERIALS_TRANSMISSION: "KHR_materials_transmission", + KHR_MATERIALS_IRIDESCENCE: "KHR_materials_iridescence", + KHR_MATERIALS_ANISOTROPY: "KHR_materials_anisotropy", + KHR_MATERIALS_UNLIT: "KHR_materials_unlit", + KHR_MATERIALS_VOLUME: "KHR_materials_volume", + KHR_TEXTURE_BASISU: "KHR_texture_basisu", + KHR_TEXTURE_TRANSFORM: "KHR_texture_transform", + KHR_MESH_QUANTIZATION: "KHR_mesh_quantization", + KHR_MATERIALS_EMISSIVE_STRENGTH: "KHR_materials_emissive_strength", + EXT_MATERIALS_BUMP: "EXT_materials_bump", + EXT_TEXTURE_WEBP: "EXT_texture_webp", + EXT_TEXTURE_AVIF: "EXT_texture_avif", + EXT_MESHOPT_COMPRESSION: "EXT_meshopt_compression", + EXT_MESH_GPU_INSTANCING: "EXT_mesh_gpu_instancing" +}; +var GLTFLightsExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL; + this.cache = { refs: {}, uses: {} }; + } + _markDefs() { + const parser = this.parser; + const nodeDefs = this.parser.json.nodes || []; + for (let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex++) { + const nodeDef = nodeDefs[nodeIndex]; + if (nodeDef.extensions && nodeDef.extensions[this.name] && nodeDef.extensions[this.name].light !== void 0) { + parser._addNodeRef(this.cache, nodeDef.extensions[this.name].light); + } + } + } + _loadLight(lightIndex) { + const parser = this.parser; + const cacheKey = "light:" + lightIndex; + let dependency = parser.cache.get(cacheKey); + if (dependency) return dependency; + const json = parser.json; + const extensions = json.extensions && json.extensions[this.name] || {}; + const lightDefs = extensions.lights || []; + const lightDef = lightDefs[lightIndex]; + let lightNode; + const color = new Color(16777215); + if (lightDef.color !== void 0) color.setRGB(lightDef.color[0], lightDef.color[1], lightDef.color[2], LinearSRGBColorSpace); + const range = lightDef.range !== void 0 ? lightDef.range : 0; + switch (lightDef.type) { + case "directional": + lightNode = new DirectionalLight(color); + lightNode.target.position.set(0, 0, -1); + lightNode.add(lightNode.target); + break; + case "point": + lightNode = new PointLight(color); + lightNode.distance = range; + break; + case "spot": + lightNode = new SpotLight(color); + lightNode.distance = range; + lightDef.spot = lightDef.spot || {}; + lightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== void 0 ? lightDef.spot.innerConeAngle : 0; + lightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== void 0 ? lightDef.spot.outerConeAngle : Math.PI / 4; + lightNode.angle = lightDef.spot.outerConeAngle; + lightNode.penumbra = 1 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle; + lightNode.target.position.set(0, 0, -1); + lightNode.add(lightNode.target); + break; + default: + throw new Error("THREE.GLTFLoader: Unexpected light type: " + lightDef.type); + } + lightNode.position.set(0, 0, 0); + assignExtrasToUserData(lightNode, lightDef); + if (lightDef.intensity !== void 0) lightNode.intensity = lightDef.intensity; + lightNode.name = parser.createUniqueName(lightDef.name || "light_" + lightIndex); + dependency = Promise.resolve(lightNode); + parser.cache.add(cacheKey, dependency); + return dependency; + } + getDependency(type, index) { + if (type !== "light") return; + return this._loadLight(index); + } + createNodeAttachment(nodeIndex) { + const self2 = this; + const parser = this.parser; + const json = parser.json; + const nodeDef = json.nodes[nodeIndex]; + const lightDef = nodeDef.extensions && nodeDef.extensions[this.name] || {}; + const lightIndex = lightDef.light; + if (lightIndex === void 0) return null; + return this._loadLight(lightIndex).then(function(light) { + return parser._getNodeRef(self2.cache, lightIndex, light); + }); + } +}; +var GLTFMaterialsUnlitExtension = class { + constructor() { + this.name = EXTENSIONS.KHR_MATERIALS_UNLIT; + } + getMaterialType() { + return MeshBasicMaterial; + } + extendParams(materialParams, materialDef, parser) { + const pending = []; + materialParams.color = new Color(1, 1, 1); + materialParams.opacity = 1; + const metallicRoughness = materialDef.pbrMetallicRoughness; + if (metallicRoughness) { + if (Array.isArray(metallicRoughness.baseColorFactor)) { + const array = metallicRoughness.baseColorFactor; + materialParams.color.setRGB(array[0], array[1], array[2], LinearSRGBColorSpace); + materialParams.opacity = array[3]; + } + if (metallicRoughness.baseColorTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "map", metallicRoughness.baseColorTexture, SRGBColorSpace)); + } + } + return Promise.all(pending); + } +}; +var GLTFMaterialsEmissiveStrengthExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_EMISSIVE_STRENGTH; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const emissiveStrength = materialDef.extensions[this.name].emissiveStrength; + if (emissiveStrength !== void 0) { + materialParams.emissiveIntensity = emissiveStrength; + } + return Promise.resolve(); + } +}; +var GLTFMaterialsClearcoatExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const pending = []; + const extension = materialDef.extensions[this.name]; + if (extension.clearcoatFactor !== void 0) { + materialParams.clearcoat = extension.clearcoatFactor; + } + if (extension.clearcoatTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "clearcoatMap", extension.clearcoatTexture)); + } + if (extension.clearcoatRoughnessFactor !== void 0) { + materialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor; + } + if (extension.clearcoatRoughnessTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "clearcoatRoughnessMap", extension.clearcoatRoughnessTexture)); + } + if (extension.clearcoatNormalTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "clearcoatNormalMap", extension.clearcoatNormalTexture)); + if (extension.clearcoatNormalTexture.scale !== void 0) { + const scale = extension.clearcoatNormalTexture.scale; + materialParams.clearcoatNormalScale = new Vector2(scale, scale); + } + } + return Promise.all(pending); + } +}; +var GLTFMaterialsDispersionExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_DISPERSION; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const extension = materialDef.extensions[this.name]; + materialParams.dispersion = extension.dispersion !== void 0 ? extension.dispersion : 0; + return Promise.resolve(); + } +}; +var GLTFMaterialsIridescenceExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_IRIDESCENCE; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const pending = []; + const extension = materialDef.extensions[this.name]; + if (extension.iridescenceFactor !== void 0) { + materialParams.iridescence = extension.iridescenceFactor; + } + if (extension.iridescenceTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "iridescenceMap", extension.iridescenceTexture)); + } + if (extension.iridescenceIor !== void 0) { + materialParams.iridescenceIOR = extension.iridescenceIor; + } + if (materialParams.iridescenceThicknessRange === void 0) { + materialParams.iridescenceThicknessRange = [100, 400]; + } + if (extension.iridescenceThicknessMinimum !== void 0) { + materialParams.iridescenceThicknessRange[0] = extension.iridescenceThicknessMinimum; + } + if (extension.iridescenceThicknessMaximum !== void 0) { + materialParams.iridescenceThicknessRange[1] = extension.iridescenceThicknessMaximum; + } + if (extension.iridescenceThicknessTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "iridescenceThicknessMap", extension.iridescenceThicknessTexture)); + } + return Promise.all(pending); + } +}; +var GLTFMaterialsSheenExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_SHEEN; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const pending = []; + materialParams.sheenColor = new Color(0, 0, 0); + materialParams.sheenRoughness = 0; + materialParams.sheen = 1; + const extension = materialDef.extensions[this.name]; + if (extension.sheenColorFactor !== void 0) { + const colorFactor = extension.sheenColorFactor; + materialParams.sheenColor.setRGB(colorFactor[0], colorFactor[1], colorFactor[2], LinearSRGBColorSpace); + } + if (extension.sheenRoughnessFactor !== void 0) { + materialParams.sheenRoughness = extension.sheenRoughnessFactor; + } + if (extension.sheenColorTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "sheenColorMap", extension.sheenColorTexture, SRGBColorSpace)); + } + if (extension.sheenRoughnessTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "sheenRoughnessMap", extension.sheenRoughnessTexture)); + } + return Promise.all(pending); + } +}; +var GLTFMaterialsTransmissionExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const pending = []; + const extension = materialDef.extensions[this.name]; + if (extension.transmissionFactor !== void 0) { + materialParams.transmission = extension.transmissionFactor; + } + if (extension.transmissionTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "transmissionMap", extension.transmissionTexture)); + } + return Promise.all(pending); + } +}; +var GLTFMaterialsVolumeExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_VOLUME; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const pending = []; + const extension = materialDef.extensions[this.name]; + materialParams.thickness = extension.thicknessFactor !== void 0 ? extension.thicknessFactor : 0; + if (extension.thicknessTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "thicknessMap", extension.thicknessTexture)); + } + materialParams.attenuationDistance = extension.attenuationDistance || Infinity; + const colorArray = extension.attenuationColor || [1, 1, 1]; + materialParams.attenuationColor = new Color().setRGB(colorArray[0], colorArray[1], colorArray[2], LinearSRGBColorSpace); + return Promise.all(pending); + } +}; +var GLTFMaterialsIorExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_IOR; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const extension = materialDef.extensions[this.name]; + materialParams.ior = extension.ior !== void 0 ? extension.ior : 1.5; + return Promise.resolve(); + } +}; +var GLTFMaterialsSpecularExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_SPECULAR; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const pending = []; + const extension = materialDef.extensions[this.name]; + materialParams.specularIntensity = extension.specularFactor !== void 0 ? extension.specularFactor : 1; + if (extension.specularTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "specularIntensityMap", extension.specularTexture)); + } + const colorArray = extension.specularColorFactor || [1, 1, 1]; + materialParams.specularColor = new Color().setRGB(colorArray[0], colorArray[1], colorArray[2], LinearSRGBColorSpace); + if (extension.specularColorTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "specularColorMap", extension.specularColorTexture, SRGBColorSpace)); + } + return Promise.all(pending); + } +}; +var GLTFMaterialsBumpExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.EXT_MATERIALS_BUMP; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const pending = []; + const extension = materialDef.extensions[this.name]; + materialParams.bumpScale = extension.bumpFactor !== void 0 ? extension.bumpFactor : 1; + if (extension.bumpTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "bumpMap", extension.bumpTexture)); + } + return Promise.all(pending); + } +}; +var GLTFMaterialsAnisotropyExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_ANISOTROPY; + } + getMaterialType(materialIndex) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) return null; + return MeshPhysicalMaterial; + } + extendMaterialParams(materialIndex, materialParams) { + const parser = this.parser; + const materialDef = parser.json.materials[materialIndex]; + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } + const pending = []; + const extension = materialDef.extensions[this.name]; + if (extension.anisotropyStrength !== void 0) { + materialParams.anisotropy = extension.anisotropyStrength; + } + if (extension.anisotropyRotation !== void 0) { + materialParams.anisotropyRotation = extension.anisotropyRotation; + } + if (extension.anisotropyTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "anisotropyMap", extension.anisotropyTexture)); + } + return Promise.all(pending); + } +}; +var GLTFTextureBasisUExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_TEXTURE_BASISU; + } + loadTexture(textureIndex) { + const parser = this.parser; + const json = parser.json; + const textureDef = json.textures[textureIndex]; + if (!textureDef.extensions || !textureDef.extensions[this.name]) { + return null; + } + const extension = textureDef.extensions[this.name]; + const loader = parser.options.ktx2Loader; + if (!loader) { + if (json.extensionsRequired && json.extensionsRequired.indexOf(this.name) >= 0) { + throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures"); + } else { + return null; + } + } + return parser.loadTextureImage(textureIndex, extension.source, loader); + } +}; +var GLTFTextureWebPExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.EXT_TEXTURE_WEBP; + } + loadTexture(textureIndex) { + const name = this.name; + const parser = this.parser; + const json = parser.json; + const textureDef = json.textures[textureIndex]; + if (!textureDef.extensions || !textureDef.extensions[name]) { + return null; + } + const extension = textureDef.extensions[name]; + const source = json.images[extension.source]; + let loader = parser.textureLoader; + if (source.uri) { + const handler = parser.options.manager.getHandler(source.uri); + if (handler !== null) loader = handler; + } + return parser.loadTextureImage(textureIndex, extension.source, loader); + } +}; +var GLTFTextureAVIFExtension = class { + constructor(parser) { + this.parser = parser; + this.name = EXTENSIONS.EXT_TEXTURE_AVIF; + } + loadTexture(textureIndex) { + const name = this.name; + const parser = this.parser; + const json = parser.json; + const textureDef = json.textures[textureIndex]; + if (!textureDef.extensions || !textureDef.extensions[name]) { + return null; + } + const extension = textureDef.extensions[name]; + const source = json.images[extension.source]; + let loader = parser.textureLoader; + if (source.uri) { + const handler = parser.options.manager.getHandler(source.uri); + if (handler !== null) loader = handler; + } + return parser.loadTextureImage(textureIndex, extension.source, loader); + } +}; +var GLTFMeshoptCompression = class { + constructor(parser) { + this.name = EXTENSIONS.EXT_MESHOPT_COMPRESSION; + this.parser = parser; + } + loadBufferView(index) { + const json = this.parser.json; + const bufferView = json.bufferViews[index]; + if (bufferView.extensions && bufferView.extensions[this.name]) { + const extensionDef = bufferView.extensions[this.name]; + const buffer = this.parser.getDependency("buffer", extensionDef.buffer); + const decoder = this.parser.options.meshoptDecoder; + if (!decoder || !decoder.supported) { + if (json.extensionsRequired && json.extensionsRequired.indexOf(this.name) >= 0) { + throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files"); + } else { + return null; + } + } + return buffer.then(function(res) { + const byteOffset = extensionDef.byteOffset || 0; + const byteLength = extensionDef.byteLength || 0; + const count = extensionDef.count; + const stride = extensionDef.byteStride; + const source = new Uint8Array(res, byteOffset, byteLength); + if (decoder.decodeGltfBufferAsync) { + return decoder.decodeGltfBufferAsync(count, stride, source, extensionDef.mode, extensionDef.filter).then(function(res2) { + return res2.buffer; + }); + } else { + return decoder.ready.then(function() { + const result = new ArrayBuffer(count * stride); + decoder.decodeGltfBuffer(new Uint8Array(result), count, stride, source, extensionDef.mode, extensionDef.filter); + return result; + }); + } + }); + } else { + return null; + } + } +}; +var GLTFMeshGpuInstancing = class { + constructor(parser) { + this.name = EXTENSIONS.EXT_MESH_GPU_INSTANCING; + this.parser = parser; + } + createNodeMesh(nodeIndex) { + const json = this.parser.json; + const nodeDef = json.nodes[nodeIndex]; + if (!nodeDef.extensions || !nodeDef.extensions[this.name] || nodeDef.mesh === void 0) { + return null; + } + const meshDef = json.meshes[nodeDef.mesh]; + for (const primitive of meshDef.primitives) { + if (primitive.mode !== WEBGL_CONSTANTS.TRIANGLES && primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_STRIP && primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_FAN && primitive.mode !== void 0) { + return null; + } + } + const extensionDef = nodeDef.extensions[this.name]; + const attributesDef = extensionDef.attributes; + const pending = []; + const attributes = {}; + for (const key in attributesDef) { + pending.push(this.parser.getDependency("accessor", attributesDef[key]).then((accessor) => { + attributes[key] = accessor; + return attributes[key]; + })); + } + if (pending.length < 1) { + return null; + } + pending.push(this.parser.createNodeMesh(nodeIndex)); + return Promise.all(pending).then((results) => { + const nodeObject = results.pop(); + const meshes = nodeObject.isGroup ? nodeObject.children : [nodeObject]; + const count = results[0].count; + const instancedMeshes = []; + for (const mesh of meshes) { + const m = new Matrix4(); + const p = new Vector3(); + const q = new Quaternion(); + const s = new Vector3(1, 1, 1); + const instancedMesh = new InstancedMesh(mesh.geometry, mesh.material, count); + for (let i = 0; i < count; i++) { + if (attributes.TRANSLATION) { + p.fromBufferAttribute(attributes.TRANSLATION, i); + } + if (attributes.ROTATION) { + q.fromBufferAttribute(attributes.ROTATION, i); + } + if (attributes.SCALE) { + s.fromBufferAttribute(attributes.SCALE, i); + } + instancedMesh.setMatrixAt(i, m.compose(p, q, s)); + } + for (const attributeName in attributes) { + if (attributeName === "_COLOR_0") { + const attr = attributes[attributeName]; + instancedMesh.instanceColor = new InstancedBufferAttribute(attr.array, attr.itemSize, attr.normalized); + } else if (attributeName !== "TRANSLATION" && attributeName !== "ROTATION" && attributeName !== "SCALE") { + mesh.geometry.setAttribute(attributeName, attributes[attributeName]); + } + } + Object3D.prototype.copy.call(instancedMesh, mesh); + this.parser.assignFinalMaterial(instancedMesh); + instancedMeshes.push(instancedMesh); + } + if (nodeObject.isGroup) { + nodeObject.clear(); + nodeObject.add(...instancedMeshes); + return nodeObject; + } + return instancedMeshes[0]; + }); + } +}; +var BINARY_EXTENSION_HEADER_MAGIC = "glTF"; +var BINARY_EXTENSION_HEADER_LENGTH = 12; +var BINARY_EXTENSION_CHUNK_TYPES = { JSON: 1313821514, BIN: 5130562 }; +var GLTFBinaryExtension = class { + constructor(data) { + this.name = EXTENSIONS.KHR_BINARY_GLTF; + this.content = null; + this.body = null; + const headerView = new DataView(data, 0, BINARY_EXTENSION_HEADER_LENGTH); + const textDecoder = new TextDecoder(); + this.header = { + magic: textDecoder.decode(new Uint8Array(data.slice(0, 4))), + version: headerView.getUint32(4, true), + length: headerView.getUint32(8, true) + }; + if (this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC) { + throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header."); + } else if (this.header.version < 2) { + throw new Error("THREE.GLTFLoader: Legacy binary file detected."); + } + const chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH; + const chunkView = new DataView(data, BINARY_EXTENSION_HEADER_LENGTH); + let chunkIndex = 0; + while (chunkIndex < chunkContentsLength) { + const chunkLength = chunkView.getUint32(chunkIndex, true); + chunkIndex += 4; + const chunkType = chunkView.getUint32(chunkIndex, true); + chunkIndex += 4; + if (chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON) { + const contentArray = new Uint8Array(data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength); + this.content = textDecoder.decode(contentArray); + } else if (chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN) { + const byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex; + this.body = data.slice(byteOffset, byteOffset + chunkLength); + } + chunkIndex += chunkLength; + } + if (this.content === null) { + throw new Error("THREE.GLTFLoader: JSON content not found."); + } + } +}; +var GLTFDracoMeshCompressionExtension = class { + constructor(json, dracoLoader) { + if (!dracoLoader) { + throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided."); + } + this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION; + this.json = json; + this.dracoLoader = dracoLoader; + this.dracoLoader.preload(); + } + decodePrimitive(primitive, parser) { + const json = this.json; + const dracoLoader = this.dracoLoader; + const bufferViewIndex = primitive.extensions[this.name].bufferView; + const gltfAttributeMap = primitive.extensions[this.name].attributes; + const threeAttributeMap = {}; + const attributeNormalizedMap = {}; + const attributeTypeMap = {}; + for (const attributeName in gltfAttributeMap) { + const threeAttributeName = ATTRIBUTES[attributeName] || attributeName.toLowerCase(); + threeAttributeMap[threeAttributeName] = gltfAttributeMap[attributeName]; + } + for (const attributeName in primitive.attributes) { + const threeAttributeName = ATTRIBUTES[attributeName] || attributeName.toLowerCase(); + if (gltfAttributeMap[attributeName] !== void 0) { + const accessorDef = json.accessors[primitive.attributes[attributeName]]; + const componentType = WEBGL_COMPONENT_TYPES[accessorDef.componentType]; + attributeTypeMap[threeAttributeName] = componentType.name; + attributeNormalizedMap[threeAttributeName] = accessorDef.normalized === true; + } + } + return parser.getDependency("bufferView", bufferViewIndex).then(function(bufferView) { + return new Promise(function(resolve, reject) { + dracoLoader.decodeDracoFile(bufferView, function(geometry) { + for (const attributeName in geometry.attributes) { + const attribute = geometry.attributes[attributeName]; + const normalized = attributeNormalizedMap[attributeName]; + if (normalized !== void 0) attribute.normalized = normalized; + } + resolve(geometry); + }, threeAttributeMap, attributeTypeMap, LinearSRGBColorSpace, reject); + }); + }); + } +}; +var GLTFTextureTransformExtension = class { + constructor() { + this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM; + } + extendTexture(texture, transform) { + if ((transform.texCoord === void 0 || transform.texCoord === texture.channel) && transform.offset === void 0 && transform.rotation === void 0 && transform.scale === void 0) { + return texture; + } + texture = texture.clone(); + if (transform.texCoord !== void 0) { + texture.channel = transform.texCoord; + } + if (transform.offset !== void 0) { + texture.offset.fromArray(transform.offset); + } + if (transform.rotation !== void 0) { + texture.rotation = transform.rotation; + } + if (transform.scale !== void 0) { + texture.repeat.fromArray(transform.scale); + } + texture.needsUpdate = true; + return texture; + } +}; +var GLTFMeshQuantizationExtension = class { + constructor() { + this.name = EXTENSIONS.KHR_MESH_QUANTIZATION; + } +}; +var GLTFCubicSplineInterpolant = class extends Interpolant { + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + } + copySampleValue_(index) { + const result = this.resultBuffer, values = this.sampleValues, valueSize = this.valueSize, offset = index * valueSize * 3 + valueSize; + for (let i = 0; i !== valueSize; i++) { + result[i] = values[offset + i]; + } + return result; + } + interpolate_(i1, t0, t, t1) { + const result = this.resultBuffer; + const values = this.sampleValues; + const stride = this.valueSize; + const stride2 = stride * 2; + const stride3 = stride * 3; + const td = t1 - t0; + const p = (t - t0) / td; + const pp = p * p; + const ppp = pp * p; + const offset1 = i1 * stride3; + const offset0 = offset1 - stride3; + const s2 = -2 * ppp + 3 * pp; + const s3 = ppp - pp; + const s0 = 1 - s2; + const s1 = s3 - pp + p; + for (let i = 0; i !== stride; i++) { + const p0 = values[offset0 + i + stride]; + const m0 = values[offset0 + i + stride2] * td; + const p1 = values[offset1 + i + stride]; + const m1 = values[offset1 + i] * td; + result[i] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1; + } + return result; + } +}; +var _quaternion = new Quaternion(); +var GLTFCubicSplineQuaternionInterpolant = class extends GLTFCubicSplineInterpolant { + interpolate_(i1, t0, t, t1) { + const result = super.interpolate_(i1, t0, t, t1); + _quaternion.fromArray(result).normalize().toArray(result); + return result; + } +}; +var WEBGL_CONSTANTS = { + FLOAT: 5126, + //FLOAT_MAT2: 35674, + FLOAT_MAT3: 35675, + FLOAT_MAT4: 35676, + FLOAT_VEC2: 35664, + FLOAT_VEC3: 35665, + FLOAT_VEC4: 35666, + LINEAR: 9729, + REPEAT: 10497, + SAMPLER_2D: 35678, + POINTS: 0, + LINES: 1, + LINE_LOOP: 2, + LINE_STRIP: 3, + TRIANGLES: 4, + TRIANGLE_STRIP: 5, + TRIANGLE_FAN: 6, + UNSIGNED_BYTE: 5121, + UNSIGNED_SHORT: 5123 +}; +var WEBGL_COMPONENT_TYPES = { + 5120: Int8Array, + 5121: Uint8Array, + 5122: Int16Array, + 5123: Uint16Array, + 5125: Uint32Array, + 5126: Float32Array +}; +var WEBGL_FILTERS = { + 9728: NearestFilter, + 9729: LinearFilter, + 9984: NearestMipmapNearestFilter, + 9985: LinearMipmapNearestFilter, + 9986: NearestMipmapLinearFilter, + 9987: LinearMipmapLinearFilter +}; +var WEBGL_WRAPPINGS = { + 33071: ClampToEdgeWrapping, + 33648: MirroredRepeatWrapping, + 10497: RepeatWrapping +}; +var WEBGL_TYPE_SIZES = { + "SCALAR": 1, + "VEC2": 2, + "VEC3": 3, + "VEC4": 4, + "MAT2": 4, + "MAT3": 9, + "MAT4": 16 +}; +var ATTRIBUTES = { + POSITION: "position", + NORMAL: "normal", + TANGENT: "tangent", + TEXCOORD_0: "uv", + TEXCOORD_1: "uv1", + TEXCOORD_2: "uv2", + TEXCOORD_3: "uv3", + COLOR_0: "color", + WEIGHTS_0: "skinWeight", + JOINTS_0: "skinIndex" +}; +var PATH_PROPERTIES = { + scale: "scale", + translation: "position", + rotation: "quaternion", + weights: "morphTargetInfluences" +}; +var INTERPOLATION = { + CUBICSPLINE: void 0, + // We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each + // keyframe track will be initialized with a default interpolation type, then modified. + LINEAR: InterpolateLinear, + STEP: InterpolateDiscrete +}; +var ALPHA_MODES = { + OPAQUE: "OPAQUE", + MASK: "MASK", + BLEND: "BLEND" +}; +function createDefaultMaterial(cache) { + if (cache["DefaultMaterial"] === void 0) { + cache["DefaultMaterial"] = new MeshStandardMaterial({ + color: 16777215, + emissive: 0, + metalness: 1, + roughness: 1, + transparent: false, + depthTest: true, + side: FrontSide + }); + } + return cache["DefaultMaterial"]; +} +function addUnknownExtensionsToUserData(knownExtensions, object, objectDef) { + for (const name in objectDef.extensions) { + if (knownExtensions[name] === void 0) { + object.userData.gltfExtensions = object.userData.gltfExtensions || {}; + object.userData.gltfExtensions[name] = objectDef.extensions[name]; + } + } +} +function assignExtrasToUserData(object, gltfDef) { + if (gltfDef.extras !== void 0) { + if (typeof gltfDef.extras === "object") { + Object.assign(object.userData, gltfDef.extras); + } else { + console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, " + gltfDef.extras); + } + } +} +function addMorphTargets(geometry, targets, parser) { + let hasMorphPosition = false; + let hasMorphNormal = false; + let hasMorphColor = false; + for (let i = 0, il = targets.length; i < il; i++) { + const target = targets[i]; + if (target.POSITION !== void 0) hasMorphPosition = true; + if (target.NORMAL !== void 0) hasMorphNormal = true; + if (target.COLOR_0 !== void 0) hasMorphColor = true; + if (hasMorphPosition && hasMorphNormal && hasMorphColor) break; + } + if (!hasMorphPosition && !hasMorphNormal && !hasMorphColor) return Promise.resolve(geometry); + const pendingPositionAccessors = []; + const pendingNormalAccessors = []; + const pendingColorAccessors = []; + for (let i = 0, il = targets.length; i < il; i++) { + const target = targets[i]; + if (hasMorphPosition) { + const pendingAccessor = target.POSITION !== void 0 ? parser.getDependency("accessor", target.POSITION) : geometry.attributes.position; + pendingPositionAccessors.push(pendingAccessor); + } + if (hasMorphNormal) { + const pendingAccessor = target.NORMAL !== void 0 ? parser.getDependency("accessor", target.NORMAL) : geometry.attributes.normal; + pendingNormalAccessors.push(pendingAccessor); + } + if (hasMorphColor) { + const pendingAccessor = target.COLOR_0 !== void 0 ? parser.getDependency("accessor", target.COLOR_0) : geometry.attributes.color; + pendingColorAccessors.push(pendingAccessor); + } + } + return Promise.all([ + Promise.all(pendingPositionAccessors), + Promise.all(pendingNormalAccessors), + Promise.all(pendingColorAccessors) + ]).then(function(accessors) { + const morphPositions = accessors[0]; + const morphNormals = accessors[1]; + const morphColors = accessors[2]; + if (hasMorphPosition) geometry.morphAttributes.position = morphPositions; + if (hasMorphNormal) geometry.morphAttributes.normal = morphNormals; + if (hasMorphColor) geometry.morphAttributes.color = morphColors; + geometry.morphTargetsRelative = true; + return geometry; + }); +} +function updateMorphTargets(mesh, meshDef) { + mesh.updateMorphTargets(); + if (meshDef.weights !== void 0) { + for (let i = 0, il = meshDef.weights.length; i < il; i++) { + mesh.morphTargetInfluences[i] = meshDef.weights[i]; + } + } + if (meshDef.extras && Array.isArray(meshDef.extras.targetNames)) { + const targetNames = meshDef.extras.targetNames; + if (mesh.morphTargetInfluences.length === targetNames.length) { + mesh.morphTargetDictionary = {}; + for (let i = 0, il = targetNames.length; i < il; i++) { + mesh.morphTargetDictionary[targetNames[i]] = i; + } + } else { + console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names."); + } + } +} +function createPrimitiveKey(primitiveDef) { + let geometryKey; + const dracoExtension = primitiveDef.extensions && primitiveDef.extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION]; + if (dracoExtension) { + geometryKey = "draco:" + dracoExtension.bufferView + ":" + dracoExtension.indices + ":" + createAttributesKey(dracoExtension.attributes); + } else { + geometryKey = primitiveDef.indices + ":" + createAttributesKey(primitiveDef.attributes) + ":" + primitiveDef.mode; + } + if (primitiveDef.targets !== void 0) { + for (let i = 0, il = primitiveDef.targets.length; i < il; i++) { + geometryKey += ":" + createAttributesKey(primitiveDef.targets[i]); + } + } + return geometryKey; +} +function createAttributesKey(attributes) { + let attributesKey = ""; + const keys = Object.keys(attributes).sort(); + for (let i = 0, il = keys.length; i < il; i++) { + attributesKey += keys[i] + ":" + attributes[keys[i]] + ";"; + } + return attributesKey; +} +function getNormalizedComponentScale(constructor) { + switch (constructor) { + case Int8Array: + return 1 / 127; + case Uint8Array: + return 1 / 255; + case Int16Array: + return 1 / 32767; + case Uint16Array: + return 1 / 65535; + default: + throw new Error("THREE.GLTFLoader: Unsupported normalized accessor component type."); + } +} +function getImageURIMimeType(uri) { + if (uri.search(/\.jpe?g($|\?)/i) > 0 || uri.search(/^data\:image\/jpeg/) === 0) return "image/jpeg"; + if (uri.search(/\.webp($|\?)/i) > 0 || uri.search(/^data\:image\/webp/) === 0) return "image/webp"; + if (uri.search(/\.ktx2($|\?)/i) > 0 || uri.search(/^data\:image\/ktx2/) === 0) return "image/ktx2"; + return "image/png"; +} +var _identityMatrix = new Matrix4(); +var GLTFParser = class { + constructor(json = {}, options = {}) { + this.json = json; + this.extensions = {}; + this.plugins = {}; + this.options = options; + this.cache = new GLTFRegistry(); + this.associations = /* @__PURE__ */ new Map(); + this.primitiveCache = {}; + this.nodeCache = {}; + this.meshCache = { refs: {}, uses: {} }; + this.cameraCache = { refs: {}, uses: {} }; + this.lightCache = { refs: {}, uses: {} }; + this.sourceCache = {}; + this.textureCache = {}; + this.nodeNamesUsed = {}; + let isSafari = false; + let safariVersion = -1; + let isFirefox = false; + let firefoxVersion = -1; + if (typeof navigator !== "undefined") { + const userAgent = navigator.userAgent; + isSafari = /^((?!chrome|android).)*safari/i.test(userAgent) === true; + const safariMatch = userAgent.match(/Version\/(\d+)/); + safariVersion = isSafari && safariMatch ? parseInt(safariMatch[1], 10) : -1; + isFirefox = userAgent.indexOf("Firefox") > -1; + firefoxVersion = isFirefox ? userAgent.match(/Firefox\/([0-9]+)\./)[1] : -1; + } + if (typeof createImageBitmap === "undefined" || isSafari && safariVersion < 17 || isFirefox && firefoxVersion < 98) { + this.textureLoader = new TextureLoader(this.options.manager); + } else { + this.textureLoader = new ImageBitmapLoader(this.options.manager); + } + this.textureLoader.setCrossOrigin(this.options.crossOrigin); + this.textureLoader.setRequestHeader(this.options.requestHeader); + this.fileLoader = new FileLoader(this.options.manager); + this.fileLoader.setResponseType("arraybuffer"); + if (this.options.crossOrigin === "use-credentials") { + this.fileLoader.setWithCredentials(true); + } + } + setExtensions(extensions) { + this.extensions = extensions; + } + setPlugins(plugins) { + this.plugins = plugins; + } + parse(onLoad, onError) { + const parser = this; + const json = this.json; + const extensions = this.extensions; + this.cache.removeAll(); + this.nodeCache = {}; + this._invokeAll(function(ext) { + return ext._markDefs && ext._markDefs(); + }); + Promise.all(this._invokeAll(function(ext) { + return ext.beforeRoot && ext.beforeRoot(); + })).then(function() { + return Promise.all([ + parser.getDependencies("scene"), + parser.getDependencies("animation"), + parser.getDependencies("camera") + ]); + }).then(function(dependencies) { + const result = { + scene: dependencies[0][json.scene || 0], + scenes: dependencies[0], + animations: dependencies[1], + cameras: dependencies[2], + asset: json.asset, + parser, + userData: {} + }; + addUnknownExtensionsToUserData(extensions, result, json); + assignExtrasToUserData(result, json); + return Promise.all(parser._invokeAll(function(ext) { + return ext.afterRoot && ext.afterRoot(result); + })).then(function() { + for (const scene of result.scenes) { + scene.updateMatrixWorld(); + } + onLoad(result); + }); + }).catch(onError); + } + /** + * Marks the special nodes/meshes in json for efficient parse. + * + * @private + */ + _markDefs() { + const nodeDefs = this.json.nodes || []; + const skinDefs = this.json.skins || []; + const meshDefs = this.json.meshes || []; + for (let skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex++) { + const joints = skinDefs[skinIndex].joints; + for (let i = 0, il = joints.length; i < il; i++) { + nodeDefs[joints[i]].isBone = true; + } + } + for (let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex++) { + const nodeDef = nodeDefs[nodeIndex]; + if (nodeDef.mesh !== void 0) { + this._addNodeRef(this.meshCache, nodeDef.mesh); + if (nodeDef.skin !== void 0) { + meshDefs[nodeDef.mesh].isSkinnedMesh = true; + } + } + if (nodeDef.camera !== void 0) { + this._addNodeRef(this.cameraCache, nodeDef.camera); + } + } + } + /** + * Counts references to shared node / Object3D resources. These resources + * can be reused, or "instantiated", at multiple nodes in the scene + * hierarchy. Mesh, Camera, and Light instances are instantiated and must + * be marked. Non-scenegraph resources (like Materials, Geometries, and + * Textures) can be reused directly and are not marked here. + * + * Example: CesiumMilkTruck sample model reuses "Wheel" meshes. + * + * @private + * @param {Object} cache + * @param {Object3D} index + */ + _addNodeRef(cache, index) { + if (index === void 0) return; + if (cache.refs[index] === void 0) { + cache.refs[index] = cache.uses[index] = 0; + } + cache.refs[index]++; + } + /** + * Returns a reference to a shared resource, cloning it if necessary. + * + * @private + * @param {Object} cache + * @param {number} index + * @param {Object} object + * @return {Object} + */ + _getNodeRef(cache, index, object) { + if (cache.refs[index] <= 1) return object; + const ref = object.clone(); + const updateMappings = (original, clone) => { + const mappings = this.associations.get(original); + if (mappings != null) { + this.associations.set(clone, mappings); + } + for (const [i, child] of original.children.entries()) { + updateMappings(child, clone.children[i]); + } + }; + updateMappings(object, ref); + ref.name += "_instance_" + cache.uses[index]++; + return ref; + } + _invokeOne(func) { + const extensions = Object.values(this.plugins); + extensions.push(this); + for (let i = 0; i < extensions.length; i++) { + const result = func(extensions[i]); + if (result) return result; + } + return null; + } + _invokeAll(func) { + const extensions = Object.values(this.plugins); + extensions.unshift(this); + const pending = []; + for (let i = 0; i < extensions.length; i++) { + const result = func(extensions[i]); + if (result) pending.push(result); + } + return pending; + } + /** + * Requests the specified dependency asynchronously, with caching. + * + * @private + * @param {string} type + * @param {number} index + * @return {Promise} + */ + getDependency(type, index) { + const cacheKey = type + ":" + index; + let dependency = this.cache.get(cacheKey); + if (!dependency) { + switch (type) { + case "scene": + dependency = this.loadScene(index); + break; + case "node": + dependency = this._invokeOne(function(ext) { + return ext.loadNode && ext.loadNode(index); + }); + break; + case "mesh": + dependency = this._invokeOne(function(ext) { + return ext.loadMesh && ext.loadMesh(index); + }); + break; + case "accessor": + dependency = this.loadAccessor(index); + break; + case "bufferView": + dependency = this._invokeOne(function(ext) { + return ext.loadBufferView && ext.loadBufferView(index); + }); + break; + case "buffer": + dependency = this.loadBuffer(index); + break; + case "material": + dependency = this._invokeOne(function(ext) { + return ext.loadMaterial && ext.loadMaterial(index); + }); + break; + case "texture": + dependency = this._invokeOne(function(ext) { + return ext.loadTexture && ext.loadTexture(index); + }); + break; + case "skin": + dependency = this.loadSkin(index); + break; + case "animation": + dependency = this._invokeOne(function(ext) { + return ext.loadAnimation && ext.loadAnimation(index); + }); + break; + case "camera": + dependency = this.loadCamera(index); + break; + default: + dependency = this._invokeOne(function(ext) { + return ext != this && ext.getDependency && ext.getDependency(type, index); + }); + if (!dependency) { + throw new Error("Unknown type: " + type); + } + break; + } + this.cache.add(cacheKey, dependency); + } + return dependency; + } + /** + * Requests all dependencies of the specified type asynchronously, with caching. + * + * @private + * @param {string} type + * @return {Promise>} + */ + getDependencies(type) { + let dependencies = this.cache.get(type); + if (!dependencies) { + const parser = this; + const defs = this.json[type + (type === "mesh" ? "es" : "s")] || []; + dependencies = Promise.all(defs.map(function(def, index) { + return parser.getDependency(type, index); + })); + this.cache.add(type, dependencies); + } + return dependencies; + } + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views + * + * @private + * @param {number} bufferIndex + * @return {Promise} + */ + loadBuffer(bufferIndex) { + const bufferDef = this.json.buffers[bufferIndex]; + const loader = this.fileLoader; + if (bufferDef.type && bufferDef.type !== "arraybuffer") { + throw new Error("THREE.GLTFLoader: " + bufferDef.type + " buffer type is not supported."); + } + if (bufferDef.uri === void 0 && bufferIndex === 0) { + return Promise.resolve(this.extensions[EXTENSIONS.KHR_BINARY_GLTF].body); + } + const options = this.options; + return new Promise(function(resolve, reject) { + loader.load(LoaderUtils.resolveURL(bufferDef.uri, options.path), resolve, void 0, function() { + reject(new Error('THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".')); + }); + }); + } + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views + * + * @private + * @param {number} bufferViewIndex + * @return {Promise} + */ + loadBufferView(bufferViewIndex) { + const bufferViewDef = this.json.bufferViews[bufferViewIndex]; + return this.getDependency("buffer", bufferViewDef.buffer).then(function(buffer) { + const byteLength = bufferViewDef.byteLength || 0; + const byteOffset = bufferViewDef.byteOffset || 0; + return buffer.slice(byteOffset, byteOffset + byteLength); + }); + } + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors + * + * @private + * @param {number} accessorIndex + * @return {Promise} + */ + loadAccessor(accessorIndex) { + const parser = this; + const json = this.json; + const accessorDef = this.json.accessors[accessorIndex]; + if (accessorDef.bufferView === void 0 && accessorDef.sparse === void 0) { + const itemSize = WEBGL_TYPE_SIZES[accessorDef.type]; + const TypedArray = WEBGL_COMPONENT_TYPES[accessorDef.componentType]; + const normalized = accessorDef.normalized === true; + const array = new TypedArray(accessorDef.count * itemSize); + return Promise.resolve(new BufferAttribute(array, itemSize, normalized)); + } + const pendingBufferViews = []; + if (accessorDef.bufferView !== void 0) { + pendingBufferViews.push(this.getDependency("bufferView", accessorDef.bufferView)); + } else { + pendingBufferViews.push(null); + } + if (accessorDef.sparse !== void 0) { + pendingBufferViews.push(this.getDependency("bufferView", accessorDef.sparse.indices.bufferView)); + pendingBufferViews.push(this.getDependency("bufferView", accessorDef.sparse.values.bufferView)); + } + return Promise.all(pendingBufferViews).then(function(bufferViews) { + const bufferView = bufferViews[0]; + const itemSize = WEBGL_TYPE_SIZES[accessorDef.type]; + const TypedArray = WEBGL_COMPONENT_TYPES[accessorDef.componentType]; + const elementBytes = TypedArray.BYTES_PER_ELEMENT; + const itemBytes = elementBytes * itemSize; + const byteOffset = accessorDef.byteOffset || 0; + const byteStride = accessorDef.bufferView !== void 0 ? json.bufferViews[accessorDef.bufferView].byteStride : void 0; + const normalized = accessorDef.normalized === true; + let array, bufferAttribute; + if (byteStride && byteStride !== itemBytes) { + const ibSlice = Math.floor(byteOffset / byteStride); + const ibCacheKey = "InterleavedBuffer:" + accessorDef.bufferView + ":" + accessorDef.componentType + ":" + ibSlice + ":" + accessorDef.count; + let ib = parser.cache.get(ibCacheKey); + if (!ib) { + array = new TypedArray(bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes); + ib = new InterleavedBuffer(array, byteStride / elementBytes); + parser.cache.add(ibCacheKey, ib); + } + bufferAttribute = new InterleavedBufferAttribute(ib, itemSize, byteOffset % byteStride / elementBytes, normalized); + } else { + if (bufferView === null) { + array = new TypedArray(accessorDef.count * itemSize); + } else { + array = new TypedArray(bufferView, byteOffset, accessorDef.count * itemSize); + } + bufferAttribute = new BufferAttribute(array, itemSize, normalized); + } + if (accessorDef.sparse !== void 0) { + const itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR; + const TypedArrayIndices = WEBGL_COMPONENT_TYPES[accessorDef.sparse.indices.componentType]; + const byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0; + const byteOffsetValues = accessorDef.sparse.values.byteOffset || 0; + const sparseIndices = new TypedArrayIndices(bufferViews[1], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices); + const sparseValues = new TypedArray(bufferViews[2], byteOffsetValues, accessorDef.sparse.count * itemSize); + if (bufferView !== null) { + bufferAttribute = new BufferAttribute(bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized); + } + bufferAttribute.normalized = false; + for (let i = 0, il = sparseIndices.length; i < il; i++) { + const index = sparseIndices[i]; + bufferAttribute.setX(index, sparseValues[i * itemSize]); + if (itemSize >= 2) bufferAttribute.setY(index, sparseValues[i * itemSize + 1]); + if (itemSize >= 3) bufferAttribute.setZ(index, sparseValues[i * itemSize + 2]); + if (itemSize >= 4) bufferAttribute.setW(index, sparseValues[i * itemSize + 3]); + if (itemSize >= 5) throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute."); + } + bufferAttribute.normalized = normalized; + } + return bufferAttribute; + }); + } + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures + * + * @private + * @param {number} textureIndex + * @return {Promise} + */ + loadTexture(textureIndex) { + const json = this.json; + const options = this.options; + const textureDef = json.textures[textureIndex]; + const sourceIndex = textureDef.source; + const sourceDef = json.images[sourceIndex]; + let loader = this.textureLoader; + if (sourceDef.uri) { + const handler = options.manager.getHandler(sourceDef.uri); + if (handler !== null) loader = handler; + } + return this.loadTextureImage(textureIndex, sourceIndex, loader); + } + loadTextureImage(textureIndex, sourceIndex, loader) { + const parser = this; + const json = this.json; + const textureDef = json.textures[textureIndex]; + const sourceDef = json.images[sourceIndex]; + const cacheKey = (sourceDef.uri || sourceDef.bufferView) + ":" + textureDef.sampler; + if (this.textureCache[cacheKey]) { + return this.textureCache[cacheKey]; + } + const promise = this.loadImageSource(sourceIndex, loader).then(function(texture) { + texture.flipY = false; + texture.name = textureDef.name || sourceDef.name || ""; + if (texture.name === "" && typeof sourceDef.uri === "string" && sourceDef.uri.startsWith("data:image/") === false) { + texture.name = sourceDef.uri; + } + const samplers = json.samplers || {}; + const sampler = samplers[textureDef.sampler] || {}; + texture.magFilter = WEBGL_FILTERS[sampler.magFilter] || LinearFilter; + texture.minFilter = WEBGL_FILTERS[sampler.minFilter] || LinearMipmapLinearFilter; + texture.wrapS = WEBGL_WRAPPINGS[sampler.wrapS] || RepeatWrapping; + texture.wrapT = WEBGL_WRAPPINGS[sampler.wrapT] || RepeatWrapping; + texture.generateMipmaps = !texture.isCompressedTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter; + parser.associations.set(texture, { textures: textureIndex }); + return texture; + }).catch(function() { + return null; + }); + this.textureCache[cacheKey] = promise; + return promise; + } + loadImageSource(sourceIndex, loader) { + const parser = this; + const json = this.json; + const options = this.options; + if (this.sourceCache[sourceIndex] !== void 0) { + return this.sourceCache[sourceIndex].then((texture) => texture.clone()); + } + const sourceDef = json.images[sourceIndex]; + const URL = self.URL || self.webkitURL; + let sourceURI = sourceDef.uri || ""; + let isObjectURL = false; + if (sourceDef.bufferView !== void 0) { + sourceURI = parser.getDependency("bufferView", sourceDef.bufferView).then(function(bufferView) { + isObjectURL = true; + const blob = new Blob([bufferView], { type: sourceDef.mimeType }); + sourceURI = URL.createObjectURL(blob); + return sourceURI; + }); + } else if (sourceDef.uri === void 0) { + throw new Error("THREE.GLTFLoader: Image " + sourceIndex + " is missing URI and bufferView"); + } + const promise = Promise.resolve(sourceURI).then(function(sourceURI2) { + return new Promise(function(resolve, reject) { + let onLoad = resolve; + if (loader.isImageBitmapLoader === true) { + onLoad = function(imageBitmap) { + const texture = new Texture(imageBitmap); + texture.needsUpdate = true; + resolve(texture); + }; + } + loader.load(LoaderUtils.resolveURL(sourceURI2, options.path), onLoad, void 0, reject); + }); + }).then(function(texture) { + if (isObjectURL === true) { + URL.revokeObjectURL(sourceURI); + } + assignExtrasToUserData(texture, sourceDef); + texture.userData.mimeType = sourceDef.mimeType || getImageURIMimeType(sourceDef.uri); + return texture; + }).catch(function(error) { + console.error("THREE.GLTFLoader: Couldn't load texture", sourceURI); + throw error; + }); + this.sourceCache[sourceIndex] = promise; + return promise; + } + /** + * Asynchronously assigns a texture to the given material parameters. + * + * @private + * @param {Object} materialParams + * @param {string} mapName + * @param {Object} mapDef + * @param {string} [colorSpace] + * @return {Promise} + */ + assignTexture(materialParams, mapName, mapDef, colorSpace) { + const parser = this; + return this.getDependency("texture", mapDef.index).then(function(texture) { + if (!texture) return null; + if (mapDef.texCoord !== void 0 && mapDef.texCoord > 0) { + texture = texture.clone(); + texture.channel = mapDef.texCoord; + } + if (parser.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM]) { + const transform = mapDef.extensions !== void 0 ? mapDef.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM] : void 0; + if (transform) { + const gltfReference = parser.associations.get(texture); + texture = parser.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM].extendTexture(texture, transform); + parser.associations.set(texture, gltfReference); + } + } + if (colorSpace !== void 0) { + texture.colorSpace = colorSpace; + } + materialParams[mapName] = texture; + return texture; + }); + } + /** + * Assigns final material to a Mesh, Line, or Points instance. The instance + * already has a material (generated from the glTF material options alone) + * but reuse of the same glTF material may require multiple threejs materials + * to accommodate different primitive types, defines, etc. New materials will + * be created if necessary, and reused from a cache. + * + * @private + * @param {Object3D} mesh Mesh, Line, or Points instance. + */ + assignFinalMaterial(mesh) { + const geometry = mesh.geometry; + let material = mesh.material; + const useDerivativeTangents = geometry.attributes.tangent === void 0; + const useVertexColors = geometry.attributes.color !== void 0; + const useFlatShading = geometry.attributes.normal === void 0; + if (mesh.isPoints) { + const cacheKey = "PointsMaterial:" + material.uuid; + let pointsMaterial = this.cache.get(cacheKey); + if (!pointsMaterial) { + pointsMaterial = new PointsMaterial(); + Material.prototype.copy.call(pointsMaterial, material); + pointsMaterial.color.copy(material.color); + pointsMaterial.map = material.map; + pointsMaterial.sizeAttenuation = false; + this.cache.add(cacheKey, pointsMaterial); + } + material = pointsMaterial; + } else if (mesh.isLine) { + const cacheKey = "LineBasicMaterial:" + material.uuid; + let lineMaterial = this.cache.get(cacheKey); + if (!lineMaterial) { + lineMaterial = new LineBasicMaterial(); + Material.prototype.copy.call(lineMaterial, material); + lineMaterial.color.copy(material.color); + lineMaterial.map = material.map; + this.cache.add(cacheKey, lineMaterial); + } + material = lineMaterial; + } + if (useDerivativeTangents || useVertexColors || useFlatShading) { + let cacheKey = "ClonedMaterial:" + material.uuid + ":"; + if (useDerivativeTangents) cacheKey += "derivative-tangents:"; + if (useVertexColors) cacheKey += "vertex-colors:"; + if (useFlatShading) cacheKey += "flat-shading:"; + let cachedMaterial = this.cache.get(cacheKey); + if (!cachedMaterial) { + cachedMaterial = material.clone(); + if (useVertexColors) cachedMaterial.vertexColors = true; + if (useFlatShading) cachedMaterial.flatShading = true; + if (useDerivativeTangents) { + if (cachedMaterial.normalScale) cachedMaterial.normalScale.y *= -1; + if (cachedMaterial.clearcoatNormalScale) cachedMaterial.clearcoatNormalScale.y *= -1; + } + this.cache.add(cacheKey, cachedMaterial); + this.associations.set(cachedMaterial, this.associations.get(material)); + } + material = cachedMaterial; + } + mesh.material = material; + } + getMaterialType() { + return MeshStandardMaterial; + } + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials + * + * @private + * @param {number} materialIndex + * @return {Promise} + */ + loadMaterial(materialIndex) { + const parser = this; + const json = this.json; + const extensions = this.extensions; + const materialDef = json.materials[materialIndex]; + let materialType; + const materialParams = {}; + const materialExtensions = materialDef.extensions || {}; + const pending = []; + if (materialExtensions[EXTENSIONS.KHR_MATERIALS_UNLIT]) { + const kmuExtension = extensions[EXTENSIONS.KHR_MATERIALS_UNLIT]; + materialType = kmuExtension.getMaterialType(); + pending.push(kmuExtension.extendParams(materialParams, materialDef, parser)); + } else { + const metallicRoughness = materialDef.pbrMetallicRoughness || {}; + materialParams.color = new Color(1, 1, 1); + materialParams.opacity = 1; + if (Array.isArray(metallicRoughness.baseColorFactor)) { + const array = metallicRoughness.baseColorFactor; + materialParams.color.setRGB(array[0], array[1], array[2], LinearSRGBColorSpace); + materialParams.opacity = array[3]; + } + if (metallicRoughness.baseColorTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "map", metallicRoughness.baseColorTexture, SRGBColorSpace)); + } + materialParams.metalness = metallicRoughness.metallicFactor !== void 0 ? metallicRoughness.metallicFactor : 1; + materialParams.roughness = metallicRoughness.roughnessFactor !== void 0 ? metallicRoughness.roughnessFactor : 1; + if (metallicRoughness.metallicRoughnessTexture !== void 0) { + pending.push(parser.assignTexture(materialParams, "metalnessMap", metallicRoughness.metallicRoughnessTexture)); + pending.push(parser.assignTexture(materialParams, "roughnessMap", metallicRoughness.metallicRoughnessTexture)); + } + materialType = this._invokeOne(function(ext) { + return ext.getMaterialType && ext.getMaterialType(materialIndex); + }); + pending.push(Promise.all(this._invokeAll(function(ext) { + return ext.extendMaterialParams && ext.extendMaterialParams(materialIndex, materialParams); + }))); + } + if (materialDef.doubleSided === true) { + materialParams.side = DoubleSide; + } + const alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE; + if (alphaMode === ALPHA_MODES.BLEND) { + materialParams.transparent = true; + materialParams.depthWrite = false; + } else { + materialParams.transparent = false; + if (alphaMode === ALPHA_MODES.MASK) { + materialParams.alphaTest = materialDef.alphaCutoff !== void 0 ? materialDef.alphaCutoff : 0.5; + } + } + if (materialDef.normalTexture !== void 0 && materialType !== MeshBasicMaterial) { + pending.push(parser.assignTexture(materialParams, "normalMap", materialDef.normalTexture)); + materialParams.normalScale = new Vector2(1, 1); + if (materialDef.normalTexture.scale !== void 0) { + const scale = materialDef.normalTexture.scale; + materialParams.normalScale.set(scale, scale); + } + } + if (materialDef.occlusionTexture !== void 0 && materialType !== MeshBasicMaterial) { + pending.push(parser.assignTexture(materialParams, "aoMap", materialDef.occlusionTexture)); + if (materialDef.occlusionTexture.strength !== void 0) { + materialParams.aoMapIntensity = materialDef.occlusionTexture.strength; + } + } + if (materialDef.emissiveFactor !== void 0 && materialType !== MeshBasicMaterial) { + const emissiveFactor = materialDef.emissiveFactor; + materialParams.emissive = new Color().setRGB(emissiveFactor[0], emissiveFactor[1], emissiveFactor[2], LinearSRGBColorSpace); + } + if (materialDef.emissiveTexture !== void 0 && materialType !== MeshBasicMaterial) { + pending.push(parser.assignTexture(materialParams, "emissiveMap", materialDef.emissiveTexture, SRGBColorSpace)); + } + return Promise.all(pending).then(function() { + const material = new materialType(materialParams); + if (materialDef.name) material.name = materialDef.name; + assignExtrasToUserData(material, materialDef); + parser.associations.set(material, { materials: materialIndex }); + if (materialDef.extensions) addUnknownExtensionsToUserData(extensions, material, materialDef); + return material; + }); + } + /** + * When Object3D instances are targeted by animation, they need unique names. + * + * @private + * @param {string} originalName + * @return {string} + */ + createUniqueName(originalName) { + const sanitizedName = PropertyBinding.sanitizeNodeName(originalName || ""); + if (sanitizedName in this.nodeNamesUsed) { + return sanitizedName + "_" + ++this.nodeNamesUsed[sanitizedName]; + } else { + this.nodeNamesUsed[sanitizedName] = 0; + return sanitizedName; + } + } + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry + * + * Creates BufferGeometries from primitives. + * + * @private + * @param {Array} primitives + * @return {Promise>} + */ + loadGeometries(primitives) { + const parser = this; + const extensions = this.extensions; + const cache = this.primitiveCache; + function createDracoPrimitive(primitive) { + return extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(primitive, parser).then(function(geometry) { + return addPrimitiveAttributes(geometry, primitive, parser); + }); + } + const pending = []; + for (let i = 0, il = primitives.length; i < il; i++) { + const primitive = primitives[i]; + const cacheKey = createPrimitiveKey(primitive); + const cached = cache[cacheKey]; + if (cached) { + pending.push(cached.promise); + } else { + let geometryPromise; + if (primitive.extensions && primitive.extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION]) { + geometryPromise = createDracoPrimitive(primitive); + } else { + geometryPromise = addPrimitiveAttributes(new BufferGeometry(), primitive, parser); + } + cache[cacheKey] = { primitive, promise: geometryPromise }; + pending.push(geometryPromise); + } + } + return Promise.all(pending); + } + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes + * + * @private + * @param {number} meshIndex + * @return {Promise} + */ + loadMesh(meshIndex) { + const parser = this; + const json = this.json; + const extensions = this.extensions; + const meshDef = json.meshes[meshIndex]; + const primitives = meshDef.primitives; + const pending = []; + for (let i = 0, il = primitives.length; i < il; i++) { + const material = primitives[i].material === void 0 ? createDefaultMaterial(this.cache) : this.getDependency("material", primitives[i].material); + pending.push(material); + } + pending.push(parser.loadGeometries(primitives)); + return Promise.all(pending).then(function(results) { + const materials = results.slice(0, results.length - 1); + const geometries = results[results.length - 1]; + const meshes = []; + for (let i = 0, il = geometries.length; i < il; i++) { + const geometry = geometries[i]; + const primitive = primitives[i]; + let mesh; + const material = materials[i]; + if (primitive.mode === WEBGL_CONSTANTS.TRIANGLES || primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP || primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN || primitive.mode === void 0) { + mesh = meshDef.isSkinnedMesh === true ? new SkinnedMesh(geometry, material) : new Mesh(geometry, material); + if (mesh.isSkinnedMesh === true) { + mesh.normalizeSkinWeights(); + } + if (primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP) { + mesh.geometry = toTrianglesDrawMode(mesh.geometry, TriangleStripDrawMode); + } else if (primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN) { + mesh.geometry = toTrianglesDrawMode(mesh.geometry, TriangleFanDrawMode); + } + } else if (primitive.mode === WEBGL_CONSTANTS.LINES) { + mesh = new LineSegments(geometry, material); + } else if (primitive.mode === WEBGL_CONSTANTS.LINE_STRIP) { + mesh = new Line(geometry, material); + } else if (primitive.mode === WEBGL_CONSTANTS.LINE_LOOP) { + mesh = new LineLoop(geometry, material); + } else if (primitive.mode === WEBGL_CONSTANTS.POINTS) { + mesh = new Points(geometry, material); + } else { + throw new Error("THREE.GLTFLoader: Primitive mode unsupported: " + primitive.mode); + } + if (Object.keys(mesh.geometry.morphAttributes).length > 0) { + updateMorphTargets(mesh, meshDef); + } + mesh.name = parser.createUniqueName(meshDef.name || "mesh_" + meshIndex); + assignExtrasToUserData(mesh, meshDef); + if (primitive.extensions) addUnknownExtensionsToUserData(extensions, mesh, primitive); + parser.assignFinalMaterial(mesh); + meshes.push(mesh); + } + for (let i = 0, il = meshes.length; i < il; i++) { + parser.associations.set(meshes[i], { + meshes: meshIndex, + primitives: i + }); + } + if (meshes.length === 1) { + if (meshDef.extensions) addUnknownExtensionsToUserData(extensions, meshes[0], meshDef); + return meshes[0]; + } + const group = new Group(); + if (meshDef.extensions) addUnknownExtensionsToUserData(extensions, group, meshDef); + parser.associations.set(group, { meshes: meshIndex }); + for (let i = 0, il = meshes.length; i < il; i++) { + group.add(meshes[i]); + } + return group; + }); + } + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras + * + * @private + * @param {number} cameraIndex + * @return {Promise|undefined} + */ + loadCamera(cameraIndex) { + let camera; + const cameraDef = this.json.cameras[cameraIndex]; + const params = cameraDef[cameraDef.type]; + if (!params) { + console.warn("THREE.GLTFLoader: Missing camera parameters."); + return; + } + if (cameraDef.type === "perspective") { + camera = new PerspectiveCamera(MathUtils.radToDeg(params.yfov), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6); + } else if (cameraDef.type === "orthographic") { + camera = new OrthographicCamera(-params.xmag, params.xmag, params.ymag, -params.ymag, params.znear, params.zfar); + } + if (cameraDef.name) camera.name = this.createUniqueName(cameraDef.name); + assignExtrasToUserData(camera, cameraDef); + return Promise.resolve(camera); + } + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins + * + * @private + * @param {number} skinIndex + * @return {Promise} + */ + loadSkin(skinIndex) { + const skinDef = this.json.skins[skinIndex]; + const pending = []; + for (let i = 0, il = skinDef.joints.length; i < il; i++) { + pending.push(this._loadNodeShallow(skinDef.joints[i])); + } + if (skinDef.inverseBindMatrices !== void 0) { + pending.push(this.getDependency("accessor", skinDef.inverseBindMatrices)); + } else { + pending.push(null); + } + return Promise.all(pending).then(function(results) { + const inverseBindMatrices = results.pop(); + const jointNodes = results; + const bones = []; + const boneInverses = []; + for (let i = 0, il = jointNodes.length; i < il; i++) { + const jointNode = jointNodes[i]; + if (jointNode) { + bones.push(jointNode); + const mat = new Matrix4(); + if (inverseBindMatrices !== null) { + mat.fromArray(inverseBindMatrices.array, i * 16); + } + boneInverses.push(mat); + } else { + console.warn('THREE.GLTFLoader: Joint "%s" could not be found.', skinDef.joints[i]); + } + } + return new Skeleton(bones, boneInverses); + }); + } + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations + * + * @private + * @param {number} animationIndex + * @return {Promise} + */ + loadAnimation(animationIndex) { + const json = this.json; + const parser = this; + const animationDef = json.animations[animationIndex]; + const animationName = animationDef.name ? animationDef.name : "animation_" + animationIndex; + const pendingNodes = []; + const pendingInputAccessors = []; + const pendingOutputAccessors = []; + const pendingSamplers = []; + const pendingTargets = []; + for (let i = 0, il = animationDef.channels.length; i < il; i++) { + const channel = animationDef.channels[i]; + const sampler = animationDef.samplers[channel.sampler]; + const target = channel.target; + const name = target.node; + const input = animationDef.parameters !== void 0 ? animationDef.parameters[sampler.input] : sampler.input; + const output = animationDef.parameters !== void 0 ? animationDef.parameters[sampler.output] : sampler.output; + if (target.node === void 0) continue; + pendingNodes.push(this.getDependency("node", name)); + pendingInputAccessors.push(this.getDependency("accessor", input)); + pendingOutputAccessors.push(this.getDependency("accessor", output)); + pendingSamplers.push(sampler); + pendingTargets.push(target); + } + return Promise.all([ + Promise.all(pendingNodes), + Promise.all(pendingInputAccessors), + Promise.all(pendingOutputAccessors), + Promise.all(pendingSamplers), + Promise.all(pendingTargets) + ]).then(function(dependencies) { + const nodes = dependencies[0]; + const inputAccessors = dependencies[1]; + const outputAccessors = dependencies[2]; + const samplers = dependencies[3]; + const targets = dependencies[4]; + const tracks = []; + for (let i = 0, il = nodes.length; i < il; i++) { + const node = nodes[i]; + const inputAccessor = inputAccessors[i]; + const outputAccessor = outputAccessors[i]; + const sampler = samplers[i]; + const target = targets[i]; + if (node === void 0) continue; + if (node.updateMatrix) { + node.updateMatrix(); + } + const createdTracks = parser._createAnimationTracks(node, inputAccessor, outputAccessor, sampler, target); + if (createdTracks) { + for (let k = 0; k < createdTracks.length; k++) { + tracks.push(createdTracks[k]); + } + } + } + const animation = new AnimationClip(animationName, void 0, tracks); + assignExtrasToUserData(animation, animationDef); + return animation; + }); + } + createNodeMesh(nodeIndex) { + const json = this.json; + const parser = this; + const nodeDef = json.nodes[nodeIndex]; + if (nodeDef.mesh === void 0) return null; + return parser.getDependency("mesh", nodeDef.mesh).then(function(mesh) { + const node = parser._getNodeRef(parser.meshCache, nodeDef.mesh, mesh); + if (nodeDef.weights !== void 0) { + node.traverse(function(o) { + if (!o.isMesh) return; + for (let i = 0, il = nodeDef.weights.length; i < il; i++) { + o.morphTargetInfluences[i] = nodeDef.weights[i]; + } + }); + } + return node; + }); + } + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy + * + * @private + * @param {number} nodeIndex + * @return {Promise} + */ + loadNode(nodeIndex) { + const json = this.json; + const parser = this; + const nodeDef = json.nodes[nodeIndex]; + const nodePending = parser._loadNodeShallow(nodeIndex); + const childPending = []; + const childrenDef = nodeDef.children || []; + for (let i = 0, il = childrenDef.length; i < il; i++) { + childPending.push(parser.getDependency("node", childrenDef[i])); + } + const skeletonPending = nodeDef.skin === void 0 ? Promise.resolve(null) : parser.getDependency("skin", nodeDef.skin); + return Promise.all([ + nodePending, + Promise.all(childPending), + skeletonPending + ]).then(function(results) { + const node = results[0]; + const children = results[1]; + const skeleton = results[2]; + if (skeleton !== null) { + node.traverse(function(mesh) { + if (!mesh.isSkinnedMesh) return; + mesh.bind(skeleton, _identityMatrix); + }); + } + for (let i = 0, il = children.length; i < il; i++) { + node.add(children[i]); + } + return node; + }); + } + // ._loadNodeShallow() parses a single node. + // skin and child nodes are created and added in .loadNode() (no '_' prefix). + _loadNodeShallow(nodeIndex) { + const json = this.json; + const extensions = this.extensions; + const parser = this; + if (this.nodeCache[nodeIndex] !== void 0) { + return this.nodeCache[nodeIndex]; + } + const nodeDef = json.nodes[nodeIndex]; + const nodeName = nodeDef.name ? parser.createUniqueName(nodeDef.name) : ""; + const pending = []; + const meshPromise = parser._invokeOne(function(ext) { + return ext.createNodeMesh && ext.createNodeMesh(nodeIndex); + }); + if (meshPromise) { + pending.push(meshPromise); + } + if (nodeDef.camera !== void 0) { + pending.push(parser.getDependency("camera", nodeDef.camera).then(function(camera) { + return parser._getNodeRef(parser.cameraCache, nodeDef.camera, camera); + })); + } + parser._invokeAll(function(ext) { + return ext.createNodeAttachment && ext.createNodeAttachment(nodeIndex); + }).forEach(function(promise) { + pending.push(promise); + }); + this.nodeCache[nodeIndex] = Promise.all(pending).then(function(objects) { + let node; + if (nodeDef.isBone === true) { + node = new Bone(); + } else if (objects.length > 1) { + node = new Group(); + } else if (objects.length === 1) { + node = objects[0]; + } else { + node = new Object3D(); + } + if (node !== objects[0]) { + for (let i = 0, il = objects.length; i < il; i++) { + node.add(objects[i]); + } + } + if (nodeDef.name) { + node.userData.name = nodeDef.name; + node.name = nodeName; + } + assignExtrasToUserData(node, nodeDef); + if (nodeDef.extensions) addUnknownExtensionsToUserData(extensions, node, nodeDef); + if (nodeDef.matrix !== void 0) { + const matrix = new Matrix4(); + matrix.fromArray(nodeDef.matrix); + node.applyMatrix4(matrix); + } else { + if (nodeDef.translation !== void 0) { + node.position.fromArray(nodeDef.translation); + } + if (nodeDef.rotation !== void 0) { + node.quaternion.fromArray(nodeDef.rotation); + } + if (nodeDef.scale !== void 0) { + node.scale.fromArray(nodeDef.scale); + } + } + if (!parser.associations.has(node)) { + parser.associations.set(node, {}); + } else if (nodeDef.mesh !== void 0 && parser.meshCache.refs[nodeDef.mesh] > 1) { + const mapping = parser.associations.get(node); + parser.associations.set(node, { ...mapping }); + } + parser.associations.get(node).nodes = nodeIndex; + return node; + }); + return this.nodeCache[nodeIndex]; + } + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes + * + * @private + * @param {number} sceneIndex + * @return {Promise} + */ + loadScene(sceneIndex) { + const extensions = this.extensions; + const sceneDef = this.json.scenes[sceneIndex]; + const parser = this; + const scene = new Group(); + if (sceneDef.name) scene.name = parser.createUniqueName(sceneDef.name); + assignExtrasToUserData(scene, sceneDef); + if (sceneDef.extensions) addUnknownExtensionsToUserData(extensions, scene, sceneDef); + const nodeIds = sceneDef.nodes || []; + const pending = []; + for (let i = 0, il = nodeIds.length; i < il; i++) { + pending.push(parser.getDependency("node", nodeIds[i])); + } + return Promise.all(pending).then(function(nodes) { + for (let i = 0, il = nodes.length; i < il; i++) { + scene.add(nodes[i]); + } + const reduceAssociations = (node) => { + const reducedAssociations = /* @__PURE__ */ new Map(); + for (const [key, value] of parser.associations) { + if (key instanceof Material || key instanceof Texture) { + reducedAssociations.set(key, value); + } + } + node.traverse((node2) => { + const mappings = parser.associations.get(node2); + if (mappings != null) { + reducedAssociations.set(node2, mappings); + } + }); + return reducedAssociations; + }; + parser.associations = reduceAssociations(scene); + return scene; + }); + } + _createAnimationTracks(node, inputAccessor, outputAccessor, sampler, target) { + const tracks = []; + const targetName = node.name ? node.name : node.uuid; + const targetNames = []; + if (PATH_PROPERTIES[target.path] === PATH_PROPERTIES.weights) { + node.traverse(function(object) { + if (object.morphTargetInfluences) { + targetNames.push(object.name ? object.name : object.uuid); + } + }); + } else { + targetNames.push(targetName); + } + let TypedKeyframeTrack; + switch (PATH_PROPERTIES[target.path]) { + case PATH_PROPERTIES.weights: + TypedKeyframeTrack = NumberKeyframeTrack; + break; + case PATH_PROPERTIES.rotation: + TypedKeyframeTrack = QuaternionKeyframeTrack; + break; + case PATH_PROPERTIES.translation: + case PATH_PROPERTIES.scale: + TypedKeyframeTrack = VectorKeyframeTrack; + break; + default: + switch (outputAccessor.itemSize) { + case 1: + TypedKeyframeTrack = NumberKeyframeTrack; + break; + case 2: + case 3: + default: + TypedKeyframeTrack = VectorKeyframeTrack; + break; + } + break; + } + const interpolation = sampler.interpolation !== void 0 ? INTERPOLATION[sampler.interpolation] : InterpolateLinear; + const outputArray = this._getArrayFromAccessor(outputAccessor); + for (let j = 0, jl = targetNames.length; j < jl; j++) { + const track = new TypedKeyframeTrack( + targetNames[j] + "." + PATH_PROPERTIES[target.path], + inputAccessor.array, + outputArray, + interpolation + ); + if (sampler.interpolation === "CUBICSPLINE") { + this._createCubicSplineTrackInterpolant(track); + } + tracks.push(track); + } + return tracks; + } + _getArrayFromAccessor(accessor) { + let outputArray = accessor.array; + if (accessor.normalized) { + const scale = getNormalizedComponentScale(outputArray.constructor); + const scaled = new Float32Array(outputArray.length); + for (let j = 0, jl = outputArray.length; j < jl; j++) { + scaled[j] = outputArray[j] * scale; + } + outputArray = scaled; + } + return outputArray; + } + _createCubicSplineTrackInterpolant(track) { + track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline(result) { + const interpolantType = this instanceof QuaternionKeyframeTrack ? GLTFCubicSplineQuaternionInterpolant : GLTFCubicSplineInterpolant; + return new interpolantType(this.times, this.values, this.getValueSize() / 3, result); + }; + track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true; + } +}; +function computeBounds(geometry, primitiveDef, parser) { + const attributes = primitiveDef.attributes; + const box = new Box3(); + if (attributes.POSITION !== void 0) { + const accessor = parser.json.accessors[attributes.POSITION]; + const min = accessor.min; + const max = accessor.max; + if (min !== void 0 && max !== void 0) { + box.set( + new Vector3(min[0], min[1], min[2]), + new Vector3(max[0], max[1], max[2]) + ); + if (accessor.normalized) { + const boxScale = getNormalizedComponentScale(WEBGL_COMPONENT_TYPES[accessor.componentType]); + box.min.multiplyScalar(boxScale); + box.max.multiplyScalar(boxScale); + } + } else { + console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION."); + return; + } + } else { + return; + } + const targets = primitiveDef.targets; + if (targets !== void 0) { + const maxDisplacement = new Vector3(); + const vector = new Vector3(); + for (let i = 0, il = targets.length; i < il; i++) { + const target = targets[i]; + if (target.POSITION !== void 0) { + const accessor = parser.json.accessors[target.POSITION]; + const min = accessor.min; + const max = accessor.max; + if (min !== void 0 && max !== void 0) { + vector.setX(Math.max(Math.abs(min[0]), Math.abs(max[0]))); + vector.setY(Math.max(Math.abs(min[1]), Math.abs(max[1]))); + vector.setZ(Math.max(Math.abs(min[2]), Math.abs(max[2]))); + if (accessor.normalized) { + const boxScale = getNormalizedComponentScale(WEBGL_COMPONENT_TYPES[accessor.componentType]); + vector.multiplyScalar(boxScale); + } + maxDisplacement.max(vector); + } else { + console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION."); + } + } + } + box.expandByVector(maxDisplacement); + } + geometry.boundingBox = box; + const sphere = new Sphere(); + box.getCenter(sphere.center); + sphere.radius = box.min.distanceTo(box.max) / 2; + geometry.boundingSphere = sphere; +} +function addPrimitiveAttributes(geometry, primitiveDef, parser) { + const attributes = primitiveDef.attributes; + const pending = []; + function assignAttributeAccessor(accessorIndex, attributeName) { + return parser.getDependency("accessor", accessorIndex).then(function(accessor) { + geometry.setAttribute(attributeName, accessor); + }); + } + for (const gltfAttributeName in attributes) { + const threeAttributeName = ATTRIBUTES[gltfAttributeName] || gltfAttributeName.toLowerCase(); + if (threeAttributeName in geometry.attributes) continue; + pending.push(assignAttributeAccessor(attributes[gltfAttributeName], threeAttributeName)); + } + if (primitiveDef.indices !== void 0 && !geometry.index) { + const accessor = parser.getDependency("accessor", primitiveDef.indices).then(function(accessor2) { + geometry.setIndex(accessor2); + }); + pending.push(accessor); + } + if (ColorManagement.workingColorSpace !== LinearSRGBColorSpace && "COLOR_0" in attributes) { + console.warn(`THREE.GLTFLoader: Converting vertex colors from "srgb-linear" to "${ColorManagement.workingColorSpace}" not supported.`); + } + assignExtrasToUserData(geometry, primitiveDef); + computeBounds(geometry, primitiveDef, parser); + return Promise.all(pending).then(function() { + return primitiveDef.targets !== void 0 ? addMorphTargets(geometry, primitiveDef.targets, parser) : geometry; + }); +} +export { + GLTFLoader +}; +//# sourceMappingURL=three_examples_jsm_loaders_GLTFLoader__js.js.map diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_GLTFLoader__js.js.map b/node_modules/.vite/deps/three_examples_jsm_loaders_GLTFLoader__js.js.map new file mode 100644 index 0000000..f05c5bf --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_GLTFLoader__js.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["../../three/examples/jsm/utils/BufferGeometryUtils.js", "../../three/examples/jsm/loaders/GLTFLoader.js"], + "sourcesContent": ["import {\n\tBufferAttribute,\n\tBufferGeometry,\n\tFloat32BufferAttribute,\n\tInstancedBufferAttribute,\n\tInterleavedBuffer,\n\tInterleavedBufferAttribute,\n\tTriangleFanDrawMode,\n\tTriangleStripDrawMode,\n\tTrianglesDrawMode,\n\tVector3,\n} from 'three';\n\n/**\n * @module BufferGeometryUtils\n * @three_import import * as BufferGeometryUtils from 'three/addons/utils/BufferGeometryUtils.js';\n */\n\n/**\n * Computes vertex tangents using the MikkTSpace algorithm. MikkTSpace generates the same tangents consistently,\n * and is used in most modelling tools and normal map bakers. Use MikkTSpace for materials with normal maps,\n * because inconsistent tangents may lead to subtle visual issues in the normal map, particularly around mirrored\n * UV seams.\n *\n * In comparison to this method, {@link BufferGeometry#computeTangents} (a custom algorithm) generates tangents that\n * probably will not match the tangents in other software. The custom algorithm is sufficient for general use with a\n * custom material, and may be faster than MikkTSpace.\n *\n * Returns the original BufferGeometry. Indexed geometries will be de-indexed. Requires position, normal, and uv attributes.\n *\n * @param {BufferGeometry} geometry - The geometry to compute tangents for.\n * @param {Object} MikkTSpace - Instance of `examples/jsm/libs/mikktspace.module.js`, or `mikktspace` npm package.\n * Await `MikkTSpace.ready` before use.\n * @param {boolean} [negateSign=true] - Whether to negate the sign component (.w) of each tangent.\n * Required for normal map conventions in some formats, including glTF.\n * @return {BufferGeometry} The updated geometry.\n */\nfunction computeMikkTSpaceTangents( geometry, MikkTSpace, negateSign = true ) {\n\n\tif ( ! MikkTSpace || ! MikkTSpace.isReady ) {\n\n\t\tthrow new Error( 'BufferGeometryUtils: Initialized MikkTSpace library required.' );\n\n\t}\n\n\tif ( ! geometry.hasAttribute( 'position' ) || ! geometry.hasAttribute( 'normal' ) || ! geometry.hasAttribute( 'uv' ) ) {\n\n\t\tthrow new Error( 'BufferGeometryUtils: Tangents require \"position\", \"normal\", and \"uv\" attributes.' );\n\n\t}\n\n\tfunction getAttributeArray( attribute ) {\n\n\t\tif ( attribute.normalized || attribute.isInterleavedBufferAttribute ) {\n\n\t\t\tconst dstArray = new Float32Array( attribute.count * attribute.itemSize );\n\n\t\t\tfor ( let i = 0, j = 0; i < attribute.count; i ++ ) {\n\n\t\t\t\tdstArray[ j ++ ] = attribute.getX( i );\n\t\t\t\tdstArray[ j ++ ] = attribute.getY( i );\n\n\t\t\t\tif ( attribute.itemSize > 2 ) {\n\n\t\t\t\t\tdstArray[ j ++ ] = attribute.getZ( i );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t\tif ( attribute.array instanceof Float32Array ) {\n\n\t\t\treturn attribute.array;\n\n\t\t}\n\n\t\treturn new Float32Array( attribute.array );\n\n\t}\n\n\t// MikkTSpace algorithm requires non-indexed input.\n\n\tconst _geometry = geometry.index ? geometry.toNonIndexed() : geometry;\n\n\t// Compute vertex tangents.\n\n\tconst tangents = MikkTSpace.generateTangents(\n\n\t\tgetAttributeArray( _geometry.attributes.position ),\n\t\tgetAttributeArray( _geometry.attributes.normal ),\n\t\tgetAttributeArray( _geometry.attributes.uv )\n\n\t);\n\n\t// Texture coordinate convention of glTF differs from the apparent\n\t// default of the MikkTSpace library; .w component must be flipped.\n\n\tif ( negateSign ) {\n\n\t\tfor ( let i = 3; i < tangents.length; i += 4 ) {\n\n\t\t\ttangents[ i ] *= - 1;\n\n\t\t}\n\n\t}\n\n\t//\n\n\t_geometry.setAttribute( 'tangent', new BufferAttribute( tangents, 4 ) );\n\n\tif ( geometry !== _geometry ) {\n\n\t\tgeometry.copy( _geometry );\n\n\t}\n\n\treturn geometry;\n\n}\n\n/**\n * Merges a set of geometries into a single instance. All geometries must have compatible attributes.\n *\n * @param {Array} geometries - The geometries to merge.\n * @param {boolean} [useGroups=false] - Whether to use groups or not.\n * @return {?BufferGeometry} The merged geometry. Returns `null` if the merge does not succeed.\n */\nfunction mergeGeometries( geometries, useGroups = false ) {\n\n\tconst isIndexed = geometries[ 0 ].index !== null;\n\n\tconst attributesUsed = new Set( Object.keys( geometries[ 0 ].attributes ) );\n\tconst morphAttributesUsed = new Set( Object.keys( geometries[ 0 ].morphAttributes ) );\n\n\tconst attributes = {};\n\tconst morphAttributes = {};\n\n\tconst morphTargetsRelative = geometries[ 0 ].morphTargetsRelative;\n\n\tconst mergedGeometry = new BufferGeometry();\n\n\tlet offset = 0;\n\n\tfor ( let i = 0; i < geometries.length; ++ i ) {\n\n\t\tconst geometry = geometries[ i ];\n\t\tlet attributesCount = 0;\n\n\t\t// ensure that all geometries are indexed, or none\n\n\t\tif ( isIndexed !== ( geometry.index !== null ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. All geometries must have compatible attributes; make sure index attribute exists among all geometries, or in none of them.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// gather attributes, exit early if they're different\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tif ( ! attributesUsed.has( name ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. All geometries must have compatible attributes; make sure \"' + name + '\" attribute exists among all geometries, or in none of them.' );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tif ( attributes[ name ] === undefined ) attributes[ name ] = [];\n\n\t\t\tattributes[ name ].push( geometry.attributes[ name ] );\n\n\t\t\tattributesCount ++;\n\n\t\t}\n\n\t\t// ensure geometries have the same number of attributes\n\n\t\tif ( attributesCount !== attributesUsed.size ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. Make sure all geometries have the same number of attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// gather morph attributes, exit early if they're different\n\n\t\tif ( morphTargetsRelative !== geometry.morphTargetsRelative ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. .morphTargetsRelative must be consistent throughout all geometries.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tfor ( const name in geometry.morphAttributes ) {\n\n\t\t\tif ( ! morphAttributesUsed.has( name ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. .morphAttributes must be consistent throughout all geometries.' );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tif ( morphAttributes[ name ] === undefined ) morphAttributes[ name ] = [];\n\n\t\t\tmorphAttributes[ name ].push( geometry.morphAttributes[ name ] );\n\n\t\t}\n\n\t\tif ( useGroups ) {\n\n\t\t\tlet count;\n\n\t\t\tif ( isIndexed ) {\n\n\t\t\t\tcount = geometry.index.count;\n\n\t\t\t} else if ( geometry.attributes.position !== undefined ) {\n\n\t\t\t\tcount = geometry.attributes.position.count;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. The geometry must have either an index or a position attribute' );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tmergedGeometry.addGroup( offset, count, i );\n\n\t\t\toffset += count;\n\n\t\t}\n\n\t}\n\n\t// merge indices\n\n\tif ( isIndexed ) {\n\n\t\tlet indexOffset = 0;\n\t\tconst mergedIndex = [];\n\n\t\tfor ( let i = 0; i < geometries.length; ++ i ) {\n\n\t\t\tconst index = geometries[ i ].index;\n\n\t\t\tfor ( let j = 0; j < index.count; ++ j ) {\n\n\t\t\t\tmergedIndex.push( index.getX( j ) + indexOffset );\n\n\t\t\t}\n\n\t\t\tindexOffset += geometries[ i ].attributes.position.count;\n\n\t\t}\n\n\t\tmergedGeometry.setIndex( mergedIndex );\n\n\t}\n\n\t// merge attributes\n\n\tfor ( const name in attributes ) {\n\n\t\tconst mergedAttribute = mergeAttributes( attributes[ name ] );\n\n\t\tif ( ! mergedAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed while trying to merge the ' + name + ' attribute.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tmergedGeometry.setAttribute( name, mergedAttribute );\n\n\t}\n\n\t// merge morph attributes\n\n\tfor ( const name in morphAttributes ) {\n\n\t\tconst numMorphTargets = morphAttributes[ name ][ 0 ].length;\n\n\t\tif ( numMorphTargets === 0 ) break;\n\n\t\tmergedGeometry.morphAttributes = mergedGeometry.morphAttributes || {};\n\t\tmergedGeometry.morphAttributes[ name ] = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; ++ i ) {\n\n\t\t\tconst morphAttributesToMerge = [];\n\n\t\t\tfor ( let j = 0; j < morphAttributes[ name ].length; ++ j ) {\n\n\t\t\t\tmorphAttributesToMerge.push( morphAttributes[ name ][ j ][ i ] );\n\n\t\t\t}\n\n\t\t\tconst mergedMorphAttribute = mergeAttributes( morphAttributesToMerge );\n\n\t\t\tif ( ! mergedMorphAttribute ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed while trying to merge the ' + name + ' morphAttribute.' );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tmergedGeometry.morphAttributes[ name ].push( mergedMorphAttribute );\n\n\t\t}\n\n\t}\n\n\treturn mergedGeometry;\n\n}\n\n/**\n * Merges a set of attributes into a single instance. All attributes must have compatible properties and types.\n * Instances of {@link InterleavedBufferAttribute} are not supported.\n *\n * @param {Array} attributes - The attributes to merge.\n * @return {?BufferAttribute} The merged attribute. Returns `null` if the merge does not succeed.\n */\nfunction mergeAttributes( attributes ) {\n\n\tlet TypedArray;\n\tlet itemSize;\n\tlet normalized;\n\tlet gpuType = - 1;\n\tlet arrayLength = 0;\n\n\tfor ( let i = 0; i < attributes.length; ++ i ) {\n\n\t\tconst attribute = attributes[ i ];\n\n\t\tif ( TypedArray === undefined ) TypedArray = attribute.array.constructor;\n\t\tif ( TypedArray !== attribute.array.constructor ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.array must be of consistent array types across matching attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( itemSize === undefined ) itemSize = attribute.itemSize;\n\t\tif ( itemSize !== attribute.itemSize ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.itemSize must be consistent across matching attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( normalized === undefined ) normalized = attribute.normalized;\n\t\tif ( normalized !== attribute.normalized ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.normalized must be consistent across matching attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( gpuType === - 1 ) gpuType = attribute.gpuType;\n\t\tif ( gpuType !== attribute.gpuType ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.gpuType must be consistent across matching attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tarrayLength += attribute.count * itemSize;\n\n\t}\n\n\tconst array = new TypedArray( arrayLength );\n\tconst result = new BufferAttribute( array, itemSize, normalized );\n\tlet offset = 0;\n\n\tfor ( let i = 0; i < attributes.length; ++ i ) {\n\n\t\tconst attribute = attributes[ i ];\n\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\tconst tupleOffset = offset / itemSize;\n\t\t\tfor ( let j = 0, l = attribute.count; j < l; j ++ ) {\n\n\t\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\t\tconst value = attribute.getComponent( j, c );\n\t\t\t\t\tresult.setComponent( j + tupleOffset, c, value );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tarray.set( attribute.array, offset );\n\n\t\t}\n\n\t\toffset += attribute.count * itemSize;\n\n\t}\n\n\tif ( gpuType !== undefined ) {\n\n\t\tresult.gpuType = gpuType;\n\n\t}\n\n\treturn result;\n\n}\n\n/**\n * Performs a deep clone of the given buffer attribute.\n *\n * @param {BufferAttribute} attribute - The attribute to clone.\n * @return {BufferAttribute} The cloned attribute.\n */\nfunction deepCloneAttribute( attribute ) {\n\n\tif ( attribute.isInstancedInterleavedBufferAttribute || attribute.isInterleavedBufferAttribute ) {\n\n\t\treturn deinterleaveAttribute( attribute );\n\n\t}\n\n\tif ( attribute.isInstancedBufferAttribute ) {\n\n\t\treturn new InstancedBufferAttribute().copy( attribute );\n\n\t}\n\n\treturn new BufferAttribute().copy( attribute );\n\n}\n\n/**\n * Interleaves a set of attributes and returns a new array of corresponding attributes that share a\n * single {@link InterleavedBuffer} instance. All attributes must have compatible types.\n *\n * @param {Array} attributes - The attributes to interleave.\n * @return {?Array} An array of interleaved attributes. If interleave does not succeed, the method returns `null`.\n */\nfunction interleaveAttributes( attributes ) {\n\n\t// Interleaves the provided attributes into an InterleavedBuffer and returns\n\t// a set of InterleavedBufferAttributes for each attribute\n\tlet TypedArray;\n\tlet arrayLength = 0;\n\tlet stride = 0;\n\n\t// calculate the length and type of the interleavedBuffer\n\tfor ( let i = 0, l = attributes.length; i < l; ++ i ) {\n\n\t\tconst attribute = attributes[ i ];\n\n\t\tif ( TypedArray === undefined ) TypedArray = attribute.array.constructor;\n\t\tif ( TypedArray !== attribute.array.constructor ) {\n\n\t\t\tconsole.error( 'AttributeBuffers of different types cannot be interleaved' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tarrayLength += attribute.array.length;\n\t\tstride += attribute.itemSize;\n\n\t}\n\n\t// Create the set of buffer attributes\n\tconst interleavedBuffer = new InterleavedBuffer( new TypedArray( arrayLength ), stride );\n\tlet offset = 0;\n\tconst res = [];\n\tconst getters = [ 'getX', 'getY', 'getZ', 'getW' ];\n\tconst setters = [ 'setX', 'setY', 'setZ', 'setW' ];\n\n\tfor ( let j = 0, l = attributes.length; j < l; j ++ ) {\n\n\t\tconst attribute = attributes[ j ];\n\t\tconst itemSize = attribute.itemSize;\n\t\tconst count = attribute.count;\n\t\tconst iba = new InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, attribute.normalized );\n\t\tres.push( iba );\n\n\t\toffset += itemSize;\n\n\t\t// Move the data for each attribute into the new interleavedBuffer\n\t\t// at the appropriate offset\n\t\tfor ( let c = 0; c < count; c ++ ) {\n\n\t\t\tfor ( let k = 0; k < itemSize; k ++ ) {\n\n\t\t\t\tiba[ setters[ k ] ]( c, attribute[ getters[ k ] ]( c ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn res;\n\n}\n\n/**\n * Returns a new, non-interleaved version of the given attribute.\n *\n * @param {InterleavedBufferAttribute} attribute - The interleaved attribute.\n * @return {BufferAttribute} The non-interleaved attribute.\n */\nfunction deinterleaveAttribute( attribute ) {\n\n\tconst cons = attribute.data.array.constructor;\n\tconst count = attribute.count;\n\tconst itemSize = attribute.itemSize;\n\tconst normalized = attribute.normalized;\n\n\tconst array = new cons( count * itemSize );\n\tlet newAttribute;\n\tif ( attribute.isInstancedInterleavedBufferAttribute ) {\n\n\t\tnewAttribute = new InstancedBufferAttribute( array, itemSize, normalized, attribute.meshPerAttribute );\n\n\t} else {\n\n\t\tnewAttribute = new BufferAttribute( array, itemSize, normalized );\n\n\t}\n\n\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\tnewAttribute.setX( i, attribute.getX( i ) );\n\n\t\tif ( itemSize >= 2 ) {\n\n\t\t\tnewAttribute.setY( i, attribute.getY( i ) );\n\n\t\t}\n\n\t\tif ( itemSize >= 3 ) {\n\n\t\t\tnewAttribute.setZ( i, attribute.getZ( i ) );\n\n\t\t}\n\n\t\tif ( itemSize >= 4 ) {\n\n\t\t\tnewAttribute.setW( i, attribute.getW( i ) );\n\n\t\t}\n\n\t}\n\n\treturn newAttribute;\n\n}\n\n/**\n * Deinterleaves all attributes on the given geometry.\n *\n * @param {BufferGeometry} geometry - The geometry to deinterleave.\n */\nfunction deinterleaveGeometry( geometry ) {\n\n\tconst attributes = geometry.attributes;\n\tconst morphTargets = geometry.morphTargets;\n\tconst attrMap = new Map();\n\n\tfor ( const key in attributes ) {\n\n\t\tconst attr = attributes[ key ];\n\t\tif ( attr.isInterleavedBufferAttribute ) {\n\n\t\t\tif ( ! attrMap.has( attr ) ) {\n\n\t\t\t\tattrMap.set( attr, deinterleaveAttribute( attr ) );\n\n\t\t\t}\n\n\t\t\tattributes[ key ] = attrMap.get( attr );\n\n\t\t}\n\n\t}\n\n\tfor ( const key in morphTargets ) {\n\n\t\tconst attr = morphTargets[ key ];\n\t\tif ( attr.isInterleavedBufferAttribute ) {\n\n\t\t\tif ( ! attrMap.has( attr ) ) {\n\n\t\t\t\tattrMap.set( attr, deinterleaveAttribute( attr ) );\n\n\t\t\t}\n\n\t\t\tmorphTargets[ key ] = attrMap.get( attr );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Returns the amount of bytes used by all attributes to represent the geometry.\n *\n * @param {BufferGeometry} geometry - The geometry.\n * @return {number} The estimate bytes used.\n */\nfunction estimateBytesUsed( geometry ) {\n\n\t// Return the estimated memory used by this geometry in bytes\n\t// Calculate using itemSize, count, and BYTES_PER_ELEMENT to account\n\t// for InterleavedBufferAttributes.\n\tlet mem = 0;\n\tfor ( const name in geometry.attributes ) {\n\n\t\tconst attr = geometry.getAttribute( name );\n\t\tmem += attr.count * attr.itemSize * attr.array.BYTES_PER_ELEMENT;\n\n\t}\n\n\tconst indices = geometry.getIndex();\n\tmem += indices ? indices.count * indices.itemSize * indices.array.BYTES_PER_ELEMENT : 0;\n\treturn mem;\n\n}\n\n/**\n * Returns a new geometry with vertices for which all similar vertex attributes (within tolerance) are merged.\n *\n * @param {BufferGeometry} geometry - The geometry to merge vertices for.\n * @param {number} [tolerance=1e-4] - The tolerance value.\n * @return {BufferGeometry} - The new geometry with merged vertices.\n */\nfunction mergeVertices( geometry, tolerance = 1e-4 ) {\n\n\ttolerance = Math.max( tolerance, Number.EPSILON );\n\n\t// Generate an index buffer if the geometry doesn't have one, or optimize it\n\t// if it's already available.\n\tconst hashToIndex = {};\n\tconst indices = geometry.getIndex();\n\tconst positions = geometry.getAttribute( 'position' );\n\tconst vertexCount = indices ? indices.count : positions.count;\n\n\t// next value for triangle indices\n\tlet nextIndex = 0;\n\n\t// attributes and new attribute arrays\n\tconst attributeNames = Object.keys( geometry.attributes );\n\tconst tmpAttributes = {};\n\tconst tmpMorphAttributes = {};\n\tconst newIndices = [];\n\tconst getters = [ 'getX', 'getY', 'getZ', 'getW' ];\n\tconst setters = [ 'setX', 'setY', 'setZ', 'setW' ];\n\n\t// Initialize the arrays, allocating space conservatively. Extra\n\t// space will be trimmed in the last step.\n\tfor ( let i = 0, l = attributeNames.length; i < l; i ++ ) {\n\n\t\tconst name = attributeNames[ i ];\n\t\tconst attr = geometry.attributes[ name ];\n\n\t\ttmpAttributes[ name ] = new attr.constructor(\n\t\t\tnew attr.array.constructor( attr.count * attr.itemSize ),\n\t\t\tattr.itemSize,\n\t\t\tattr.normalized\n\t\t);\n\n\t\tconst morphAttributes = geometry.morphAttributes[ name ];\n\t\tif ( morphAttributes ) {\n\n\t\t\tif ( ! tmpMorphAttributes[ name ] ) tmpMorphAttributes[ name ] = [];\n\t\t\tmorphAttributes.forEach( ( morphAttr, i ) => {\n\n\t\t\t\tconst array = new morphAttr.array.constructor( morphAttr.count * morphAttr.itemSize );\n\t\t\t\ttmpMorphAttributes[ name ][ i ] = new morphAttr.constructor( array, morphAttr.itemSize, morphAttr.normalized );\n\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\t// convert the error tolerance to an amount of decimal places to truncate to\n\tconst halfTolerance = tolerance * 0.5;\n\tconst exponent = Math.log10( 1 / tolerance );\n\tconst hashMultiplier = Math.pow( 10, exponent );\n\tconst hashAdditive = halfTolerance * hashMultiplier;\n\tfor ( let i = 0; i < vertexCount; i ++ ) {\n\n\t\tconst index = indices ? indices.getX( i ) : i;\n\n\t\t// Generate a hash for the vertex attributes at the current index 'i'\n\t\tlet hash = '';\n\t\tfor ( let j = 0, l = attributeNames.length; j < l; j ++ ) {\n\n\t\t\tconst name = attributeNames[ j ];\n\t\t\tconst attribute = geometry.getAttribute( name );\n\t\t\tconst itemSize = attribute.itemSize;\n\n\t\t\tfor ( let k = 0; k < itemSize; k ++ ) {\n\n\t\t\t\t// double tilde truncates the decimal value\n\t\t\t\thash += `${ ~ ~ ( attribute[ getters[ k ] ]( index ) * hashMultiplier + hashAdditive ) },`;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add another reference to the vertex if it's already\n\t\t// used by another index\n\t\tif ( hash in hashToIndex ) {\n\n\t\t\tnewIndices.push( hashToIndex[ hash ] );\n\n\t\t} else {\n\n\t\t\t// copy data to the new index in the temporary attributes\n\t\t\tfor ( let j = 0, l = attributeNames.length; j < l; j ++ ) {\n\n\t\t\t\tconst name = attributeNames[ j ];\n\t\t\t\tconst attribute = geometry.getAttribute( name );\n\t\t\t\tconst morphAttributes = geometry.morphAttributes[ name ];\n\t\t\t\tconst itemSize = attribute.itemSize;\n\t\t\t\tconst newArray = tmpAttributes[ name ];\n\t\t\t\tconst newMorphArrays = tmpMorphAttributes[ name ];\n\n\t\t\t\tfor ( let k = 0; k < itemSize; k ++ ) {\n\n\t\t\t\t\tconst getterFunc = getters[ k ];\n\t\t\t\t\tconst setterFunc = setters[ k ];\n\t\t\t\t\tnewArray[ setterFunc ]( nextIndex, attribute[ getterFunc ]( index ) );\n\n\t\t\t\t\tif ( morphAttributes ) {\n\n\t\t\t\t\t\tfor ( let m = 0, ml = morphAttributes.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\t\tnewMorphArrays[ m ][ setterFunc ]( nextIndex, morphAttributes[ m ][ getterFunc ]( index ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\thashToIndex[ hash ] = nextIndex;\n\t\t\tnewIndices.push( nextIndex );\n\t\t\tnextIndex ++;\n\n\t\t}\n\n\t}\n\n\t// generate result BufferGeometry\n\tconst result = geometry.clone();\n\tfor ( const name in geometry.attributes ) {\n\n\t\tconst tmpAttribute = tmpAttributes[ name ];\n\n\t\tresult.setAttribute( name, new tmpAttribute.constructor(\n\t\t\ttmpAttribute.array.slice( 0, nextIndex * tmpAttribute.itemSize ),\n\t\t\ttmpAttribute.itemSize,\n\t\t\ttmpAttribute.normalized,\n\t\t) );\n\n\t\tif ( ! ( name in tmpMorphAttributes ) ) continue;\n\n\t\tfor ( let j = 0; j < tmpMorphAttributes[ name ].length; j ++ ) {\n\n\t\t\tconst tmpMorphAttribute = tmpMorphAttributes[ name ][ j ];\n\n\t\t\tresult.morphAttributes[ name ][ j ] = new tmpMorphAttribute.constructor(\n\t\t\t\ttmpMorphAttribute.array.slice( 0, nextIndex * tmpMorphAttribute.itemSize ),\n\t\t\t\ttmpMorphAttribute.itemSize,\n\t\t\t\ttmpMorphAttribute.normalized,\n\t\t\t);\n\n\t\t}\n\n\t}\n\n\t// indices\n\n\tresult.setIndex( newIndices );\n\n\treturn result;\n\n}\n\n/**\n * Returns a new indexed geometry based on `TrianglesDrawMode` draw mode.\n * This mode corresponds to the `gl.TRIANGLES` primitive in WebGL.\n *\n * @param {BufferGeometry} geometry - The geometry to convert.\n * @param {number} drawMode - The current draw mode.\n * @return {BufferGeometry} The new geometry using `TrianglesDrawMode`.\n */\nfunction toTrianglesDrawMode( geometry, drawMode ) {\n\n\tif ( drawMode === TrianglesDrawMode ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles.' );\n\t\treturn geometry;\n\n\t}\n\n\tif ( drawMode === TriangleFanDrawMode || drawMode === TriangleStripDrawMode ) {\n\n\t\tlet index = geometry.getIndex();\n\n\t\t// generate index if not present\n\n\t\tif ( index === null ) {\n\n\t\t\tconst indices = [];\n\n\t\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tfor ( let i = 0; i < position.count; i ++ ) {\n\n\t\t\t\t\tindices.push( i );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setIndex( indices );\n\t\t\t\tindex = geometry.getIndex();\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst numberOfTriangles = index.count - 2;\n\t\tconst newIndices = [];\n\n\t\tif ( drawMode === TriangleFanDrawMode ) {\n\n\t\t\t// gl.TRIANGLE_FAN\n\n\t\t\tfor ( let i = 1; i <= numberOfTriangles; i ++ ) {\n\n\t\t\t\tnewIndices.push( index.getX( 0 ) );\n\t\t\t\tnewIndices.push( index.getX( i ) );\n\t\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// gl.TRIANGLE_STRIP\n\n\t\t\tfor ( let i = 0; i < numberOfTriangles; i ++ ) {\n\n\t\t\t\tif ( i % 2 === 0 ) {\n\n\t\t\t\t\tnewIndices.push( index.getX( i ) );\n\t\t\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\t\t\t\t\tnewIndices.push( index.getX( i + 2 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewIndices.push( index.getX( i + 2 ) );\n\t\t\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\t\t\t\t\tnewIndices.push( index.getX( i ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( ( newIndices.length / 3 ) !== numberOfTriangles ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.' );\n\n\t\t}\n\n\t\t// build final geometry\n\n\t\tconst newGeometry = geometry.clone();\n\t\tnewGeometry.setIndex( newIndices );\n\t\tnewGeometry.clearGroups();\n\n\t\treturn newGeometry;\n\n\t} else {\n\n\t\tconsole.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:', drawMode );\n\t\treturn geometry;\n\n\t}\n\n}\n\n/**\n * Calculates the morphed attributes of a morphed/skinned BufferGeometry.\n *\n * Helpful for Raytracing or Decals (i.e. a `DecalGeometry` applied to a morphed Object with a `BufferGeometry`\n * will use the original `BufferGeometry`, not the morphed/skinned one, generating an incorrect result.\n * Using this function to create a shadow `Object3`D the `DecalGeometry` can be correctly generated).\n *\n * @param {Mesh|Line|Points} object - The 3D object to compute morph attributes for.\n * @return {Object} An object with original position/normal attributes and morphed ones.\n */\nfunction computeMorphedAttributes( object ) {\n\n\tconst _vA = new Vector3();\n\tconst _vB = new Vector3();\n\tconst _vC = new Vector3();\n\n\tconst _tempA = new Vector3();\n\tconst _tempB = new Vector3();\n\tconst _tempC = new Vector3();\n\n\tconst _morphA = new Vector3();\n\tconst _morphB = new Vector3();\n\tconst _morphC = new Vector3();\n\n\tfunction _calculateMorphedAttributeData(\n\t\tobject,\n\t\tattribute,\n\t\tmorphAttribute,\n\t\tmorphTargetsRelative,\n\t\ta,\n\t\tb,\n\t\tc,\n\t\tmodifiedAttributeArray\n\t) {\n\n\t\t_vA.fromBufferAttribute( attribute, a );\n\t\t_vB.fromBufferAttribute( attribute, b );\n\t\t_vC.fromBufferAttribute( attribute, c );\n\n\t\tconst morphInfluences = object.morphTargetInfluences;\n\n\t\tif ( morphAttribute && morphInfluences ) {\n\n\t\t\t_morphA.set( 0, 0, 0 );\n\t\t\t_morphB.set( 0, 0, 0 );\n\t\t\t_morphC.set( 0, 0, 0 );\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst influence = morphInfluences[ i ];\n\t\t\t\tconst morph = morphAttribute[ i ];\n\n\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t_tempA.fromBufferAttribute( morph, a );\n\t\t\t\t_tempB.fromBufferAttribute( morph, b );\n\t\t\t\t_tempC.fromBufferAttribute( morph, c );\n\n\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\t\t\t\t\t_morphB.addScaledVector( _tempB, influence );\n\t\t\t\t\t_morphC.addScaledVector( _tempC, influence );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA.sub( _vA ), influence );\n\t\t\t\t\t_morphB.addScaledVector( _tempB.sub( _vB ), influence );\n\t\t\t\t\t_morphC.addScaledVector( _tempC.sub( _vC ), influence );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_vA.add( _morphA );\n\t\t\t_vB.add( _morphB );\n\t\t\t_vC.add( _morphC );\n\n\t\t}\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tobject.applyBoneTransform( a, _vA );\n\t\t\tobject.applyBoneTransform( b, _vB );\n\t\t\tobject.applyBoneTransform( c, _vC );\n\n\t\t}\n\n\t\tmodifiedAttributeArray[ a * 3 + 0 ] = _vA.x;\n\t\tmodifiedAttributeArray[ a * 3 + 1 ] = _vA.y;\n\t\tmodifiedAttributeArray[ a * 3 + 2 ] = _vA.z;\n\t\tmodifiedAttributeArray[ b * 3 + 0 ] = _vB.x;\n\t\tmodifiedAttributeArray[ b * 3 + 1 ] = _vB.y;\n\t\tmodifiedAttributeArray[ b * 3 + 2 ] = _vB.z;\n\t\tmodifiedAttributeArray[ c * 3 + 0 ] = _vC.x;\n\t\tmodifiedAttributeArray[ c * 3 + 1 ] = _vC.y;\n\t\tmodifiedAttributeArray[ c * 3 + 2 ] = _vC.z;\n\n\t}\n\n\tconst geometry = object.geometry;\n\tconst material = object.material;\n\n\tlet a, b, c;\n\tconst index = geometry.index;\n\tconst positionAttribute = geometry.attributes.position;\n\tconst morphPosition = geometry.morphAttributes.position;\n\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\tconst normalAttribute = geometry.attributes.normal;\n\tconst morphNormal = geometry.morphAttributes.position;\n\n\tconst groups = geometry.groups;\n\tconst drawRange = geometry.drawRange;\n\tlet i, j, il, jl;\n\tlet group;\n\tlet start, end;\n\n\tconst modifiedPosition = new Float32Array( positionAttribute.count * positionAttribute.itemSize );\n\tconst modifiedNormal = new Float32Array( normalAttribute.count * normalAttribute.itemSize );\n\n\tif ( index !== null ) {\n\n\t\t// indexed buffer geometry\n\n\t\tif ( Array.isArray( material ) ) {\n\n\t\t\tfor ( i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\tgroup = groups[ i ];\n\n\t\t\t\tstart = Math.max( group.start, drawRange.start );\n\t\t\t\tend = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\ta = index.getX( j );\n\t\t\t\t\tb = index.getX( j + 1 );\n\t\t\t\t\tc = index.getX( j + 2 );\n\n\t\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\t\tobject,\n\t\t\t\t\t\tpositionAttribute,\n\t\t\t\t\t\tmorphPosition,\n\t\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\t\ta, b, c,\n\t\t\t\t\t\tmodifiedPosition\n\t\t\t\t\t);\n\n\t\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\t\tobject,\n\t\t\t\t\t\tnormalAttribute,\n\t\t\t\t\t\tmorphNormal,\n\t\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\t\ta, b, c,\n\t\t\t\t\t\tmodifiedNormal\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tstart = Math.max( 0, drawRange.start );\n\t\t\tend = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\ta = index.getX( i );\n\t\t\t\tb = index.getX( i + 1 );\n\t\t\t\tc = index.getX( i + 2 );\n\n\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\tobject,\n\t\t\t\t\tpositionAttribute,\n\t\t\t\t\tmorphPosition,\n\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\ta, b, c,\n\t\t\t\t\tmodifiedPosition\n\t\t\t\t);\n\n\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\tobject,\n\t\t\t\t\tnormalAttribute,\n\t\t\t\t\tmorphNormal,\n\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\ta, b, c,\n\t\t\t\t\tmodifiedNormal\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t} else {\n\n\t\t// non-indexed buffer geometry\n\n\t\tif ( Array.isArray( material ) ) {\n\n\t\t\tfor ( i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\tgroup = groups[ i ];\n\n\t\t\t\tstart = Math.max( group.start, drawRange.start );\n\t\t\t\tend = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\ta = j;\n\t\t\t\t\tb = j + 1;\n\t\t\t\t\tc = j + 2;\n\n\t\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\t\tobject,\n\t\t\t\t\t\tpositionAttribute,\n\t\t\t\t\t\tmorphPosition,\n\t\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\t\ta, b, c,\n\t\t\t\t\t\tmodifiedPosition\n\t\t\t\t\t);\n\n\t\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\t\tobject,\n\t\t\t\t\t\tnormalAttribute,\n\t\t\t\t\t\tmorphNormal,\n\t\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\t\ta, b, c,\n\t\t\t\t\t\tmodifiedNormal\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tstart = Math.max( 0, drawRange.start );\n\t\t\tend = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\ta = i;\n\t\t\t\tb = i + 1;\n\t\t\t\tc = i + 2;\n\n\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\tobject,\n\t\t\t\t\tpositionAttribute,\n\t\t\t\t\tmorphPosition,\n\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\ta, b, c,\n\t\t\t\t\tmodifiedPosition\n\t\t\t\t);\n\n\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\tobject,\n\t\t\t\t\tnormalAttribute,\n\t\t\t\t\tmorphNormal,\n\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\ta, b, c,\n\t\t\t\t\tmodifiedNormal\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tconst morphedPositionAttribute = new Float32BufferAttribute( modifiedPosition, 3 );\n\tconst morphedNormalAttribute = new Float32BufferAttribute( modifiedNormal, 3 );\n\n\treturn {\n\n\t\tpositionAttribute: positionAttribute,\n\t\tnormalAttribute: normalAttribute,\n\t\tmorphedPositionAttribute: morphedPositionAttribute,\n\t\tmorphedNormalAttribute: morphedNormalAttribute\n\n\t};\n\n}\n\n/**\n * Merges the {@link BufferGeometry#groups} for the given geometry.\n *\n * @param {BufferGeometry} geometry - The geometry to modify.\n * @return {BufferGeometry} - The updated geometry\n */\nfunction mergeGroups( geometry ) {\n\n\tif ( geometry.groups.length === 0 ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometryUtils.mergeGroups(): No groups are defined. Nothing to merge.' );\n\t\treturn geometry;\n\n\t}\n\n\tlet groups = geometry.groups;\n\n\t// sort groups by material index\n\n\tgroups = groups.sort( ( a, b ) => {\n\n\t\tif ( a.materialIndex !== b.materialIndex ) return a.materialIndex - b.materialIndex;\n\n\t\treturn a.start - b.start;\n\n\t} );\n\n\t// create index for non-indexed geometries\n\n\tif ( geometry.getIndex() === null ) {\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\t\tconst indices = [];\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i += 3 ) {\n\n\t\t\tindices.push( i, i + 1, i + 2 );\n\n\t\t}\n\n\t\tgeometry.setIndex( indices );\n\n\t}\n\n\t// sort index\n\n\tconst index = geometry.getIndex();\n\n\tconst newIndices = [];\n\n\tfor ( let i = 0; i < groups.length; i ++ ) {\n\n\t\tconst group = groups[ i ];\n\n\t\tconst groupStart = group.start;\n\t\tconst groupLength = groupStart + group.count;\n\n\t\tfor ( let j = groupStart; j < groupLength; j ++ ) {\n\n\t\t\tnewIndices.push( index.getX( j ) );\n\n\t\t}\n\n\t}\n\n\tgeometry.dispose(); // Required to force buffer recreation\n\tgeometry.setIndex( newIndices );\n\n\t// update groups indices\n\n\tlet start = 0;\n\n\tfor ( let i = 0; i < groups.length; i ++ ) {\n\n\t\tconst group = groups[ i ];\n\n\t\tgroup.start = start;\n\t\tstart += group.count;\n\n\t}\n\n\t// merge groups\n\n\tlet currentGroup = groups[ 0 ];\n\n\tgeometry.groups = [ currentGroup ];\n\n\tfor ( let i = 1; i < groups.length; i ++ ) {\n\n\t\tconst group = groups[ i ];\n\n\t\tif ( currentGroup.materialIndex === group.materialIndex ) {\n\n\t\t\tcurrentGroup.count += group.count;\n\n\t\t} else {\n\n\t\t\tcurrentGroup = group;\n\t\t\tgeometry.groups.push( currentGroup );\n\n\t\t}\n\n\t}\n\n\treturn geometry;\n\n}\n\n/**\n * Modifies the supplied geometry if it is non-indexed, otherwise creates a new,\n * non-indexed geometry. Returns the geometry with smooth normals everywhere except\n * faces that meet at an angle greater than the crease angle.\n *\n * @param {BufferGeometry} geometry - The geometry to modify.\n * @param {number} [creaseAngle=Math.PI/3] - The crease angle in radians.\n * @return {BufferGeometry} - The updated geometry\n */\nfunction toCreasedNormals( geometry, creaseAngle = Math.PI / 3 /* 60 degrees */ ) {\n\n\tconst creaseDot = Math.cos( creaseAngle );\n\tconst hashMultiplier = ( 1 + 1e-10 ) * 1e2;\n\n\t// reusable vectors\n\tconst verts = [ new Vector3(), new Vector3(), new Vector3() ];\n\tconst tempVec1 = new Vector3();\n\tconst tempVec2 = new Vector3();\n\tconst tempNorm = new Vector3();\n\tconst tempNorm2 = new Vector3();\n\n\t// hashes a vector\n\tfunction hashVertex( v ) {\n\n\t\tconst x = ~ ~ ( v.x * hashMultiplier );\n\t\tconst y = ~ ~ ( v.y * hashMultiplier );\n\t\tconst z = ~ ~ ( v.z * hashMultiplier );\n\t\treturn `${x},${y},${z}`;\n\n\t}\n\n\t// BufferGeometry.toNonIndexed() warns if the geometry is non-indexed\n\t// and returns the original geometry\n\tconst resultGeometry = geometry.index ? geometry.toNonIndexed() : geometry;\n\tconst posAttr = resultGeometry.attributes.position;\n\tconst vertexMap = {};\n\n\t// find all the normals shared by commonly located vertices\n\tfor ( let i = 0, l = posAttr.count / 3; i < l; i ++ ) {\n\n\t\tconst i3 = 3 * i;\n\t\tconst a = verts[ 0 ].fromBufferAttribute( posAttr, i3 + 0 );\n\t\tconst b = verts[ 1 ].fromBufferAttribute( posAttr, i3 + 1 );\n\t\tconst c = verts[ 2 ].fromBufferAttribute( posAttr, i3 + 2 );\n\n\t\ttempVec1.subVectors( c, b );\n\t\ttempVec2.subVectors( a, b );\n\n\t\t// add the normal to the map for all vertices\n\t\tconst normal = new Vector3().crossVectors( tempVec1, tempVec2 ).normalize();\n\t\tfor ( let n = 0; n < 3; n ++ ) {\n\n\t\t\tconst vert = verts[ n ];\n\t\t\tconst hash = hashVertex( vert );\n\t\t\tif ( ! ( hash in vertexMap ) ) {\n\n\t\t\t\tvertexMap[ hash ] = [];\n\n\t\t\t}\n\n\t\t\tvertexMap[ hash ].push( normal );\n\n\t\t}\n\n\t}\n\n\t// average normals from all vertices that share a common location if they are within the\n\t// provided crease threshold\n\tconst normalArray = new Float32Array( posAttr.count * 3 );\n\tconst normAttr = new BufferAttribute( normalArray, 3, false );\n\tfor ( let i = 0, l = posAttr.count / 3; i < l; i ++ ) {\n\n\t\t// get the face normal for this vertex\n\t\tconst i3 = 3 * i;\n\t\tconst a = verts[ 0 ].fromBufferAttribute( posAttr, i3 + 0 );\n\t\tconst b = verts[ 1 ].fromBufferAttribute( posAttr, i3 + 1 );\n\t\tconst c = verts[ 2 ].fromBufferAttribute( posAttr, i3 + 2 );\n\n\t\ttempVec1.subVectors( c, b );\n\t\ttempVec2.subVectors( a, b );\n\n\t\ttempNorm.crossVectors( tempVec1, tempVec2 ).normalize();\n\n\t\t// average all normals that meet the threshold and set the normal value\n\t\tfor ( let n = 0; n < 3; n ++ ) {\n\n\t\t\tconst vert = verts[ n ];\n\t\t\tconst hash = hashVertex( vert );\n\t\t\tconst otherNormals = vertexMap[ hash ];\n\t\t\ttempNorm2.set( 0, 0, 0 );\n\n\t\t\tfor ( let k = 0, lk = otherNormals.length; k < lk; k ++ ) {\n\n\t\t\t\tconst otherNorm = otherNormals[ k ];\n\t\t\t\tif ( tempNorm.dot( otherNorm ) > creaseDot ) {\n\n\t\t\t\t\ttempNorm2.add( otherNorm );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttempNorm2.normalize();\n\t\t\tnormAttr.setXYZ( i3 + n, tempNorm2.x, tempNorm2.y, tempNorm2.z );\n\n\t\t}\n\n\t}\n\n\tresultGeometry.setAttribute( 'normal', normAttr );\n\treturn resultGeometry;\n\n}\n\nexport {\n\tcomputeMikkTSpaceTangents,\n\tmergeGeometries,\n\tmergeAttributes,\n\tdeepCloneAttribute,\n\tdeinterleaveAttribute,\n\tdeinterleaveGeometry,\n\tinterleaveAttributes,\n\testimateBytesUsed,\n\tmergeVertices,\n\ttoTrianglesDrawMode,\n\tcomputeMorphedAttributes,\n\tmergeGroups,\n\ttoCreasedNormals\n};\n", "import {\n\tAnimationClip,\n\tBone,\n\tBox3,\n\tBufferAttribute,\n\tBufferGeometry,\n\tClampToEdgeWrapping,\n\tColor,\n\tColorManagement,\n\tDirectionalLight,\n\tDoubleSide,\n\tFileLoader,\n\tFrontSide,\n\tGroup,\n\tImageBitmapLoader,\n\tInstancedMesh,\n\tInterleavedBuffer,\n\tInterleavedBufferAttribute,\n\tInterpolant,\n\tInterpolateDiscrete,\n\tInterpolateLinear,\n\tLine,\n\tLineBasicMaterial,\n\tLineLoop,\n\tLineSegments,\n\tLinearFilter,\n\tLinearMipmapLinearFilter,\n\tLinearMipmapNearestFilter,\n\tLinearSRGBColorSpace,\n\tLoader,\n\tLoaderUtils,\n\tMaterial,\n\tMathUtils,\n\tMatrix4,\n\tMesh,\n\tMeshBasicMaterial,\n\tMeshPhysicalMaterial,\n\tMeshStandardMaterial,\n\tMirroredRepeatWrapping,\n\tNearestFilter,\n\tNearestMipmapLinearFilter,\n\tNearestMipmapNearestFilter,\n\tNumberKeyframeTrack,\n\tObject3D,\n\tOrthographicCamera,\n\tPerspectiveCamera,\n\tPointLight,\n\tPoints,\n\tPointsMaterial,\n\tPropertyBinding,\n\tQuaternion,\n\tQuaternionKeyframeTrack,\n\tRepeatWrapping,\n\tSkeleton,\n\tSkinnedMesh,\n\tSphere,\n\tSpotLight,\n\tTexture,\n\tTextureLoader,\n\tTriangleFanDrawMode,\n\tTriangleStripDrawMode,\n\tVector2,\n\tVector3,\n\tVectorKeyframeTrack,\n\tSRGBColorSpace,\n\tInstancedBufferAttribute\n} from 'three';\nimport { toTrianglesDrawMode } from '../utils/BufferGeometryUtils.js';\n\n/**\n * A loader for the glTF 2.0 format.\n *\n * [glTF](https://www.khronos.org/gltf/} (GL Transmission Format) is an [open format specification]{@link https://github.com/KhronosGroup/glTF/tree/main/specification/2.0)\n * for efficient delivery and loading of 3D content. Assets may be provided either in JSON (.gltf) or binary (.glb)\n * format. External files store textures (.jpg, .png) and additional binary data (.bin). A glTF asset may deliver\n * one or more scenes, including meshes, materials, textures, skins, skeletons, morph targets, animations, lights,\n * and/or cameras.\n *\n * `GLTFLoader` uses {@link ImageBitmapLoader} whenever possible. Be advised that image bitmaps are not\n * automatically GC-collected when they are no longer referenced, and they require special handling during\n * the disposal process.\n *\n * `GLTFLoader` supports the following glTF 2.0 extensions:\n * - KHR_draco_mesh_compression\n * - KHR_materials_clearcoat\n * - KHR_materials_dispersion\n * - KHR_materials_ior\n * - KHR_materials_specular\n * - KHR_materials_transmission\n * - KHR_materials_iridescence\n * - KHR_materials_unlit\n * - KHR_materials_volume\n * - KHR_mesh_quantization\n * - KHR_lights_punctual\n * - KHR_texture_basisu\n * - KHR_texture_transform\n * - EXT_texture_webp\n * - EXT_meshopt_compression\n * - EXT_mesh_gpu_instancing\n *\n * The following glTF 2.0 extension is supported by an external user plugin:\n * - [KHR_materials_variants](https://github.com/takahirox/three-gltf-extensions)\n * - [MSFT_texture_dds](https://github.com/takahirox/three-gltf-extensions)\n * - [KHR_animation_pointer](https://github.com/needle-tools/three-animation-pointer)\n * - [NEEDLE_progressive](https://github.com/needle-tools/gltf-progressive)\n *\n * ```js\n * const loader = new GLTFLoader();\n *\n * // Optional: Provide a DRACOLoader instance to decode compressed mesh data\n * const dracoLoader = new DRACOLoader();\n * dracoLoader.setDecoderPath( '/examples/jsm/libs/draco/' );\n * loader.setDRACOLoader( dracoLoader );\n *\n * const gltf = await loader.loadAsync( 'models/gltf/duck/duck.gltf' );\n * scene.add( gltf.scene );\n * ```\n *\n * @augments Loader\n * @three_import import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';\n */\nclass GLTFLoader extends Loader {\n\n\t/**\n\t * Constructs a new glTF loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.dracoLoader = null;\n\t\tthis.ktx2Loader = null;\n\t\tthis.meshoptDecoder = null;\n\n\t\tthis.pluginCallbacks = [];\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsClearcoatExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsDispersionExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFTextureBasisUExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFTextureWebPExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFTextureAVIFExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsSheenExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsTransmissionExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsVolumeExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsIorExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsEmissiveStrengthExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsSpecularExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsIridescenceExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsAnisotropyExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsBumpExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFLightsExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMeshoptCompression( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMeshGpuInstancing( parser );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded glTF asset\n\t * to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(GLTFLoader~LoadObject)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet resourcePath;\n\n\t\tif ( this.resourcePath !== '' ) {\n\n\t\t\tresourcePath = this.resourcePath;\n\n\t\t} else if ( this.path !== '' ) {\n\n\t\t\t// If a base path is set, resources will be relative paths from that plus the relative path of the gltf file\n\t\t\t// Example path = 'https://my-cnd-server.com/', url = 'assets/models/model.gltf'\n\t\t\t// resourcePath = 'https://my-cnd-server.com/assets/models/'\n\t\t\t// referenced resource 'model.bin' will be loaded from 'https://my-cnd-server.com/assets/models/model.bin'\n\t\t\t// referenced resource '../textures/texture.png' will be loaded from 'https://my-cnd-server.com/assets/textures/texture.png'\n\t\t\tconst relativeUrl = LoaderUtils.extractUrlBase( url );\n\t\t\tresourcePath = LoaderUtils.resolveURL( relativeUrl, this.path );\n\n\t\t} else {\n\n\t\t\tresourcePath = LoaderUtils.extractUrlBase( url );\n\n\t\t}\n\n\t\t// Tells the LoadingManager to track an extra item, which resolves after\n\t\t// the model is fully loaded. This means the count of items loaded will\n\t\t// be incorrect, but ensures manager.onLoad() does not fire early.\n\t\tthis.manager.itemStart( url );\n\n\t\tconst _onError = function ( e ) {\n\n\t\t\tif ( onError ) {\n\n\t\t\t\tonError( e );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( e );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t};\n\n\t\tconst loader = new FileLoader( this.manager );\n\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tloader.load( url, function ( data ) {\n\n\t\t\ttry {\n\n\t\t\t\tscope.parse( data, resourcePath, function ( gltf ) {\n\n\t\t\t\t\tonLoad( gltf );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, _onError );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\t_onError( e );\n\n\t\t\t}\n\n\t\t}, onProgress, _onError );\n\n\t}\n\n\t/**\n\t * Sets the given Draco loader to this loader. Required for decoding assets\n\t * compressed with the `KHR_draco_mesh_compression` extension.\n\t *\n\t * @param {DRACOLoader} dracoLoader - The Draco loader to set.\n\t * @return {GLTFLoader} A reference to this loader.\n\t */\n\tsetDRACOLoader( dracoLoader ) {\n\n\t\tthis.dracoLoader = dracoLoader;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given KTX2 loader to this loader. Required for loading KTX2\n\t * compressed textures.\n\t *\n\t * @param {KTX2Loader} ktx2Loader - The KTX2 loader to set.\n\t * @return {GLTFLoader} A reference to this loader.\n\t */\n\tsetKTX2Loader( ktx2Loader ) {\n\n\t\tthis.ktx2Loader = ktx2Loader;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the given meshopt decoder. Required for decoding assets\n\t * compressed with the `EXT_meshopt_compression` extension.\n\t *\n\t * @param {Object} meshoptDecoder - The meshopt decoder to set.\n\t * @return {GLTFLoader} A reference to this loader.\n\t */\n\tsetMeshoptDecoder( meshoptDecoder ) {\n\n\t\tthis.meshoptDecoder = meshoptDecoder;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Registers a plugin callback. This API is internally used to implement the various\n\t * glTF extensions but can also used by third-party code to add additional logic\n\t * to the loader.\n\t *\n\t * @param {function(parser:GLTFParser)} callback - The callback function to register.\n\t * @return {GLTFLoader} A reference to this loader.\n\t */\n\tregister( callback ) {\n\n\t\tif ( this.pluginCallbacks.indexOf( callback ) === - 1 ) {\n\n\t\t\tthis.pluginCallbacks.push( callback );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Unregisters a plugin callback.\n\t *\n\t * @param {Function} callback - The callback function to unregister.\n\t * @return {GLTFLoader} A reference to this loader.\n\t */\n\tunregister( callback ) {\n\n\t\tif ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) {\n\n\t\t\tthis.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Parses the given FBX data and returns the resulting group.\n\t *\n\t * @param {string|ArrayBuffer} data - The raw glTF data.\n\t * @param {string} path - The URL base path.\n\t * @param {function(GLTFLoader~LoadObject)} onLoad - Executed when the loading process has been finished.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tparse( data, path, onLoad, onError ) {\n\n\t\tlet json;\n\t\tconst extensions = {};\n\t\tconst plugins = {};\n\t\tconst textDecoder = new TextDecoder();\n\n\t\tif ( typeof data === 'string' ) {\n\n\t\t\tjson = JSON.parse( data );\n\n\t\t} else if ( data instanceof ArrayBuffer ) {\n\n\t\t\tconst magic = textDecoder.decode( new Uint8Array( data, 0, 4 ) );\n\n\t\t\tif ( magic === BINARY_EXTENSION_HEADER_MAGIC ) {\n\n\t\t\t\ttry {\n\n\t\t\t\t\textensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\tif ( onError ) onError( error );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tjson = JSON.parse( extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content );\n\n\t\t\t} else {\n\n\t\t\t\tjson = JSON.parse( textDecoder.decode( data ) );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tjson = data;\n\n\t\t}\n\n\t\tif ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) {\n\n\t\t\tif ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.' ) );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst parser = new GLTFParser( json, {\n\n\t\t\tpath: path || this.resourcePath || '',\n\t\t\tcrossOrigin: this.crossOrigin,\n\t\t\trequestHeader: this.requestHeader,\n\t\t\tmanager: this.manager,\n\t\t\tktx2Loader: this.ktx2Loader,\n\t\t\tmeshoptDecoder: this.meshoptDecoder\n\n\t\t} );\n\n\t\tparser.fileLoader.setRequestHeader( this.requestHeader );\n\n\t\tfor ( let i = 0; i < this.pluginCallbacks.length; i ++ ) {\n\n\t\t\tconst plugin = this.pluginCallbacks[ i ]( parser );\n\n\t\t\tif ( ! plugin.name ) console.error( 'THREE.GLTFLoader: Invalid plugin found: missing name' );\n\n\t\t\tplugins[ plugin.name ] = plugin;\n\n\t\t\t// Workaround to avoid determining as unknown extension\n\t\t\t// in addUnknownExtensionsToUserData().\n\t\t\t// Remove this workaround if we move all the existing\n\t\t\t// extension handlers to plugin system\n\t\t\textensions[ plugin.name ] = true;\n\n\t\t}\n\n\t\tif ( json.extensionsUsed ) {\n\n\t\t\tfor ( let i = 0; i < json.extensionsUsed.length; ++ i ) {\n\n\t\t\t\tconst extensionName = json.extensionsUsed[ i ];\n\t\t\t\tconst extensionsRequired = json.extensionsRequired || [];\n\n\t\t\t\tswitch ( extensionName ) {\n\n\t\t\t\t\tcase EXTENSIONS.KHR_MATERIALS_UNLIT:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFMaterialsUnlitExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_TEXTURE_TRANSFORM:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFTextureTransformExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_MESH_QUANTIZATION:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFMeshQuantizationExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( extensionsRequired.indexOf( extensionName ) >= 0 && plugins[ extensionName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Unknown extension \"' + extensionName + '\".' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tparser.setExtensions( extensions );\n\t\tparser.setPlugins( plugins );\n\t\tparser.parse( onLoad, onError );\n\n\t}\n\n\t/**\n\t * Async version of {@link GLTFLoader#parse}.\n\t *\n\t * @async\n\t * @param {string|ArrayBuffer} data - The raw glTF data.\n\t * @param {string} path - The URL base path.\n\t * @return {Promise} A Promise that resolves with the loaded glTF when the parsing has been finished.\n\t */\n\tparseAsync( data, path ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.parse( data, path, resolve, reject );\n\n\t\t} );\n\n\t}\n\n}\n\n/* GLTFREGISTRY */\n\nfunction GLTFRegistry() {\n\n\tlet objects = {};\n\n\treturn\t{\n\n\t\tget: function ( key ) {\n\n\t\t\treturn objects[ key ];\n\n\t\t},\n\n\t\tadd: function ( key, object ) {\n\n\t\t\tobjects[ key ] = object;\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete objects[ key ];\n\n\t\t},\n\n\t\tremoveAll: function () {\n\n\t\t\tobjects = {};\n\n\t\t}\n\n\t};\n\n}\n\n/*********************************/\n/********** EXTENSIONS ***********/\n/*********************************/\n\nconst EXTENSIONS = {\n\tKHR_BINARY_GLTF: 'KHR_binary_glTF',\n\tKHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',\n\tKHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',\n\tKHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat',\n\tKHR_MATERIALS_DISPERSION: 'KHR_materials_dispersion',\n\tKHR_MATERIALS_IOR: 'KHR_materials_ior',\n\tKHR_MATERIALS_SHEEN: 'KHR_materials_sheen',\n\tKHR_MATERIALS_SPECULAR: 'KHR_materials_specular',\n\tKHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission',\n\tKHR_MATERIALS_IRIDESCENCE: 'KHR_materials_iridescence',\n\tKHR_MATERIALS_ANISOTROPY: 'KHR_materials_anisotropy',\n\tKHR_MATERIALS_UNLIT: 'KHR_materials_unlit',\n\tKHR_MATERIALS_VOLUME: 'KHR_materials_volume',\n\tKHR_TEXTURE_BASISU: 'KHR_texture_basisu',\n\tKHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',\n\tKHR_MESH_QUANTIZATION: 'KHR_mesh_quantization',\n\tKHR_MATERIALS_EMISSIVE_STRENGTH: 'KHR_materials_emissive_strength',\n\tEXT_MATERIALS_BUMP: 'EXT_materials_bump',\n\tEXT_TEXTURE_WEBP: 'EXT_texture_webp',\n\tEXT_TEXTURE_AVIF: 'EXT_texture_avif',\n\tEXT_MESHOPT_COMPRESSION: 'EXT_meshopt_compression',\n\tEXT_MESH_GPU_INSTANCING: 'EXT_mesh_gpu_instancing'\n};\n\n/**\n * Punctual Lights Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual\n *\n * @private\n */\nclass GLTFLightsExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL;\n\n\t\t// Object3D instance caches\n\t\tthis.cache = { refs: {}, uses: {} };\n\n\t}\n\n\t_markDefs() {\n\n\t\tconst parser = this.parser;\n\t\tconst nodeDefs = this.parser.json.nodes || [];\n\n\t\tfor ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {\n\n\t\t\tconst nodeDef = nodeDefs[ nodeIndex ];\n\n\t\t\tif ( nodeDef.extensions\n\t\t\t\t\t&& nodeDef.extensions[ this.name ]\n\t\t\t\t\t&& nodeDef.extensions[ this.name ].light !== undefined ) {\n\n\t\t\t\tparser._addNodeRef( this.cache, nodeDef.extensions[ this.name ].light );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_loadLight( lightIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst cacheKey = 'light:' + lightIndex;\n\t\tlet dependency = parser.cache.get( cacheKey );\n\n\t\tif ( dependency ) return dependency;\n\n\t\tconst json = parser.json;\n\t\tconst extensions = ( json.extensions && json.extensions[ this.name ] ) || {};\n\t\tconst lightDefs = extensions.lights || [];\n\t\tconst lightDef = lightDefs[ lightIndex ];\n\t\tlet lightNode;\n\n\t\tconst color = new Color( 0xffffff );\n\n\t\tif ( lightDef.color !== undefined ) color.setRGB( lightDef.color[ 0 ], lightDef.color[ 1 ], lightDef.color[ 2 ], LinearSRGBColorSpace );\n\n\t\tconst range = lightDef.range !== undefined ? lightDef.range : 0;\n\n\t\tswitch ( lightDef.type ) {\n\n\t\t\tcase 'directional':\n\t\t\t\tlightNode = new DirectionalLight( color );\n\t\t\t\tlightNode.target.position.set( 0, 0, - 1 );\n\t\t\t\tlightNode.add( lightNode.target );\n\t\t\t\tbreak;\n\n\t\t\tcase 'point':\n\t\t\t\tlightNode = new PointLight( color );\n\t\t\t\tlightNode.distance = range;\n\t\t\t\tbreak;\n\n\t\t\tcase 'spot':\n\t\t\t\tlightNode = new SpotLight( color );\n\t\t\t\tlightNode.distance = range;\n\t\t\t\t// Handle spotlight properties.\n\t\t\t\tlightDef.spot = lightDef.spot || {};\n\t\t\t\tlightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;\n\t\t\t\tlightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;\n\t\t\t\tlightNode.angle = lightDef.spot.outerConeAngle;\n\t\t\t\tlightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;\n\t\t\t\tlightNode.target.position.set( 0, 0, - 1 );\n\t\t\t\tlightNode.add( lightNode.target );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: Unexpected light type: ' + lightDef.type );\n\n\t\t}\n\n\t\t// Some lights (e.g. spot) default to a position other than the origin. Reset the position\n\t\t// here, because node-level parsing will only override position if explicitly specified.\n\t\tlightNode.position.set( 0, 0, 0 );\n\n\t\tassignExtrasToUserData( lightNode, lightDef );\n\n\t\tif ( lightDef.intensity !== undefined ) lightNode.intensity = lightDef.intensity;\n\n\t\tlightNode.name = parser.createUniqueName( lightDef.name || ( 'light_' + lightIndex ) );\n\n\t\tdependency = Promise.resolve( lightNode );\n\n\t\tparser.cache.add( cacheKey, dependency );\n\n\t\treturn dependency;\n\n\t}\n\n\tgetDependency( type, index ) {\n\n\t\tif ( type !== 'light' ) return;\n\n\t\treturn this._loadLight( index );\n\n\t}\n\n\tcreateNodeAttachment( nodeIndex ) {\n\n\t\tconst self = this;\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\t\tconst lightDef = ( nodeDef.extensions && nodeDef.extensions[ this.name ] ) || {};\n\t\tconst lightIndex = lightDef.light;\n\n\t\tif ( lightIndex === undefined ) return null;\n\n\t\treturn this._loadLight( lightIndex ).then( function ( light ) {\n\n\t\t\treturn parser._getNodeRef( self.cache, lightIndex, light );\n\n\t\t} );\n\n\t}\n\n}\n\n/**\n * Unlit Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit\n *\n * @private\n */\nclass GLTFMaterialsUnlitExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_UNLIT;\n\n\t}\n\n\tgetMaterialType() {\n\n\t\treturn MeshBasicMaterial;\n\n\t}\n\n\textendParams( materialParams, materialDef, parser ) {\n\n\t\tconst pending = [];\n\n\t\tmaterialParams.color = new Color( 1.0, 1.0, 1.0 );\n\t\tmaterialParams.opacity = 1.0;\n\n\t\tconst metallicRoughness = materialDef.pbrMetallicRoughness;\n\n\t\tif ( metallicRoughness ) {\n\n\t\t\tif ( Array.isArray( metallicRoughness.baseColorFactor ) ) {\n\n\t\t\t\tconst array = metallicRoughness.baseColorFactor;\n\n\t\t\t\tmaterialParams.color.setRGB( array[ 0 ], array[ 1 ], array[ 2 ], LinearSRGBColorSpace );\n\t\t\t\tmaterialParams.opacity = array[ 3 ];\n\n\t\t\t}\n\n\t\t\tif ( metallicRoughness.baseColorTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, SRGBColorSpace ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials Emissive Strength Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/blob/5768b3ce0ef32bc39cdf1bef10b948586635ead3/extensions/2.0/Khronos/KHR_materials_emissive_strength/README.md\n *\n * @private\n */\nclass GLTFMaterialsEmissiveStrengthExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_EMISSIVE_STRENGTH;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst emissiveStrength = materialDef.extensions[ this.name ].emissiveStrength;\n\n\t\tif ( emissiveStrength !== undefined ) {\n\n\t\t\tmaterialParams.emissiveIntensity = emissiveStrength;\n\n\t\t}\n\n\t\treturn Promise.resolve();\n\n\t}\n\n}\n\n/**\n * Clearcoat Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat\n *\n * @private\n */\nclass GLTFMaterialsClearcoatExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.clearcoatFactor !== undefined ) {\n\n\t\t\tmaterialParams.clearcoat = extension.clearcoatFactor;\n\n\t\t}\n\n\t\tif ( extension.clearcoatTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatMap', extension.clearcoatTexture ) );\n\n\t\t}\n\n\t\tif ( extension.clearcoatRoughnessFactor !== undefined ) {\n\n\t\t\tmaterialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor;\n\n\t\t}\n\n\t\tif ( extension.clearcoatRoughnessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture ) );\n\n\t\t}\n\n\t\tif ( extension.clearcoatNormalTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture ) );\n\n\t\t\tif ( extension.clearcoatNormalTexture.scale !== undefined ) {\n\n\t\t\t\tconst scale = extension.clearcoatNormalTexture.scale;\n\n\t\t\t\tmaterialParams.clearcoatNormalScale = new Vector2( scale, scale );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials dispersion Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_dispersion\n *\n * @private\n */\nclass GLTFMaterialsDispersionExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_DISPERSION;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.dispersion = extension.dispersion !== undefined ? extension.dispersion : 0;\n\n\t\treturn Promise.resolve();\n\n\t}\n\n}\n\n/**\n * Iridescence Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_iridescence\n *\n * @private\n */\nclass GLTFMaterialsIridescenceExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_IRIDESCENCE;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.iridescenceFactor !== undefined ) {\n\n\t\t\tmaterialParams.iridescence = extension.iridescenceFactor;\n\n\t\t}\n\n\t\tif ( extension.iridescenceTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'iridescenceMap', extension.iridescenceTexture ) );\n\n\t\t}\n\n\t\tif ( extension.iridescenceIor !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceIOR = extension.iridescenceIor;\n\n\t\t}\n\n\t\tif ( materialParams.iridescenceThicknessRange === undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange = [ 100, 400 ];\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessMinimum !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange[ 0 ] = extension.iridescenceThicknessMinimum;\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessMaximum !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange[ 1 ] = extension.iridescenceThicknessMaximum;\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'iridescenceThicknessMap', extension.iridescenceThicknessTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Sheen Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_sheen\n *\n * @private\n */\nclass GLTFMaterialsSheenExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_SHEEN;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tmaterialParams.sheenColor = new Color( 0, 0, 0 );\n\t\tmaterialParams.sheenRoughness = 0;\n\t\tmaterialParams.sheen = 1;\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.sheenColorFactor !== undefined ) {\n\n\t\t\tconst colorFactor = extension.sheenColorFactor;\n\t\t\tmaterialParams.sheenColor.setRGB( colorFactor[ 0 ], colorFactor[ 1 ], colorFactor[ 2 ], LinearSRGBColorSpace );\n\n\t\t}\n\n\t\tif ( extension.sheenRoughnessFactor !== undefined ) {\n\n\t\t\tmaterialParams.sheenRoughness = extension.sheenRoughnessFactor;\n\n\t\t}\n\n\t\tif ( extension.sheenColorTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'sheenColorMap', extension.sheenColorTexture, SRGBColorSpace ) );\n\n\t\t}\n\n\t\tif ( extension.sheenRoughnessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'sheenRoughnessMap', extension.sheenRoughnessTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Transmission Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission\n * Draft: https://github.com/KhronosGroup/glTF/pull/1698\n *\n * @private\n */\nclass GLTFMaterialsTransmissionExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.transmissionFactor !== undefined ) {\n\n\t\t\tmaterialParams.transmission = extension.transmissionFactor;\n\n\t\t}\n\n\t\tif ( extension.transmissionTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'transmissionMap', extension.transmissionTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials Volume Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_volume\n *\n * @private\n */\nclass GLTFMaterialsVolumeExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_VOLUME;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.thickness = extension.thicknessFactor !== undefined ? extension.thicknessFactor : 0;\n\n\t\tif ( extension.thicknessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'thicknessMap', extension.thicknessTexture ) );\n\n\t\t}\n\n\t\tmaterialParams.attenuationDistance = extension.attenuationDistance || Infinity;\n\n\t\tconst colorArray = extension.attenuationColor || [ 1, 1, 1 ];\n\t\tmaterialParams.attenuationColor = new Color().setRGB( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ], LinearSRGBColorSpace );\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials ior Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_ior\n *\n * @private\n */\nclass GLTFMaterialsIorExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_IOR;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.ior = extension.ior !== undefined ? extension.ior : 1.5;\n\n\t\treturn Promise.resolve();\n\n\t}\n\n}\n\n/**\n * Materials specular Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_specular\n *\n * @private\n */\nclass GLTFMaterialsSpecularExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_SPECULAR;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.specularIntensity = extension.specularFactor !== undefined ? extension.specularFactor : 1.0;\n\n\t\tif ( extension.specularTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'specularIntensityMap', extension.specularTexture ) );\n\n\t\t}\n\n\t\tconst colorArray = extension.specularColorFactor || [ 1, 1, 1 ];\n\t\tmaterialParams.specularColor = new Color().setRGB( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ], LinearSRGBColorSpace );\n\n\t\tif ( extension.specularColorTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'specularColorMap', extension.specularColorTexture, SRGBColorSpace ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n\n/**\n * Materials bump Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/EXT_materials_bump\n *\n * @private\n */\nclass GLTFMaterialsBumpExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.EXT_MATERIALS_BUMP;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.bumpScale = extension.bumpFactor !== undefined ? extension.bumpFactor : 1.0;\n\n\t\tif ( extension.bumpTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'bumpMap', extension.bumpTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials anisotropy Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_anisotropy\n *\n * @private\n */\nclass GLTFMaterialsAnisotropyExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_ANISOTROPY;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.anisotropyStrength !== undefined ) {\n\n\t\t\tmaterialParams.anisotropy = extension.anisotropyStrength;\n\n\t\t}\n\n\t\tif ( extension.anisotropyRotation !== undefined ) {\n\n\t\t\tmaterialParams.anisotropyRotation = extension.anisotropyRotation;\n\n\t\t}\n\n\t\tif ( extension.anisotropyTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'anisotropyMap', extension.anisotropyTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * BasisU Texture Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu\n *\n * @private\n */\nclass GLTFTextureBasisUExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_TEXTURE_BASISU;\n\n\t}\n\n\tloadTexture( textureIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\n\t\tif ( ! textureDef.extensions || ! textureDef.extensions[ this.name ] ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst extension = textureDef.extensions[ this.name ];\n\t\tconst loader = parser.options.ktx2Loader;\n\n\t\tif ( ! loader ) {\n\n\t\t\tif ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) {\n\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures' );\n\n\t\t\t} else {\n\n\t\t\t\t// Assumes that the extension is optional and that a fallback texture is present\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn parser.loadTextureImage( textureIndex, extension.source, loader );\n\n\t}\n\n}\n\n/**\n * WebP Texture Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_webp\n *\n * @private\n */\nclass GLTFTextureWebPExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.EXT_TEXTURE_WEBP;\n\n\t}\n\n\tloadTexture( textureIndex ) {\n\n\t\tconst name = this.name;\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\n\t\tif ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst extension = textureDef.extensions[ name ];\n\t\tconst source = json.images[ extension.source ];\n\n\t\tlet loader = parser.textureLoader;\n\t\tif ( source.uri ) {\n\n\t\t\tconst handler = parser.options.manager.getHandler( source.uri );\n\t\t\tif ( handler !== null ) loader = handler;\n\n\t\t}\n\n\t\treturn parser.loadTextureImage( textureIndex, extension.source, loader );\n\n\t}\n\n}\n\n/**\n * AVIF Texture Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_avif\n *\n * @private\n */\nclass GLTFTextureAVIFExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.EXT_TEXTURE_AVIF;\n\n\t}\n\n\tloadTexture( textureIndex ) {\n\n\t\tconst name = this.name;\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\n\t\tif ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst extension = textureDef.extensions[ name ];\n\t\tconst source = json.images[ extension.source ];\n\n\t\tlet loader = parser.textureLoader;\n\t\tif ( source.uri ) {\n\n\t\t\tconst handler = parser.options.manager.getHandler( source.uri );\n\t\t\tif ( handler !== null ) loader = handler;\n\n\t\t}\n\n\t\treturn parser.loadTextureImage( textureIndex, extension.source, loader );\n\n\t}\n\n}\n\n/**\n * meshopt BufferView Compression Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_meshopt_compression\n *\n * @private\n */\nclass GLTFMeshoptCompression {\n\n\tconstructor( parser ) {\n\n\t\tthis.name = EXTENSIONS.EXT_MESHOPT_COMPRESSION;\n\t\tthis.parser = parser;\n\n\t}\n\n\tloadBufferView( index ) {\n\n\t\tconst json = this.parser.json;\n\t\tconst bufferView = json.bufferViews[ index ];\n\n\t\tif ( bufferView.extensions && bufferView.extensions[ this.name ] ) {\n\n\t\t\tconst extensionDef = bufferView.extensions[ this.name ];\n\n\t\t\tconst buffer = this.parser.getDependency( 'buffer', extensionDef.buffer );\n\t\t\tconst decoder = this.parser.options.meshoptDecoder;\n\n\t\t\tif ( ! decoder || ! decoder.supported ) {\n\n\t\t\t\tif ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Assumes that the extension is optional and that fallback buffer data is present\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn buffer.then( function ( res ) {\n\n\t\t\t\tconst byteOffset = extensionDef.byteOffset || 0;\n\t\t\t\tconst byteLength = extensionDef.byteLength || 0;\n\n\t\t\t\tconst count = extensionDef.count;\n\t\t\t\tconst stride = extensionDef.byteStride;\n\n\t\t\t\tconst source = new Uint8Array( res, byteOffset, byteLength );\n\n\t\t\t\tif ( decoder.decodeGltfBufferAsync ) {\n\n\t\t\t\t\treturn decoder.decodeGltfBufferAsync( count, stride, source, extensionDef.mode, extensionDef.filter ).then( function ( res ) {\n\n\t\t\t\t\t\treturn res.buffer;\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Support for MeshoptDecoder 0.18 or earlier, without decodeGltfBufferAsync\n\t\t\t\t\treturn decoder.ready.then( function () {\n\n\t\t\t\t\t\tconst result = new ArrayBuffer( count * stride );\n\t\t\t\t\t\tdecoder.decodeGltfBuffer( new Uint8Array( result ), count, stride, source, extensionDef.mode, extensionDef.filter );\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * GPU Instancing Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_mesh_gpu_instancing\n *\n * @private\n */\nclass GLTFMeshGpuInstancing {\n\n\tconstructor( parser ) {\n\n\t\tthis.name = EXTENSIONS.EXT_MESH_GPU_INSTANCING;\n\t\tthis.parser = parser;\n\n\t}\n\n\tcreateNodeMesh( nodeIndex ) {\n\n\t\tconst json = this.parser.json;\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\tif ( ! nodeDef.extensions || ! nodeDef.extensions[ this.name ] ||\n\t\t\tnodeDef.mesh === undefined ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst meshDef = json.meshes[ nodeDef.mesh ];\n\n\t\t// No Points or Lines + Instancing support yet\n\n\t\tfor ( const primitive of meshDef.primitives ) {\n\n\t\t\tif ( primitive.mode !== WEBGL_CONSTANTS.TRIANGLES &&\n\t\t\t\t primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_STRIP &&\n\t\t\t\t primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_FAN &&\n\t\t\t\t primitive.mode !== undefined ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst extensionDef = nodeDef.extensions[ this.name ];\n\t\tconst attributesDef = extensionDef.attributes;\n\n\t\t// @TODO: Can we support InstancedMesh + SkinnedMesh?\n\n\t\tconst pending = [];\n\t\tconst attributes = {};\n\n\t\tfor ( const key in attributesDef ) {\n\n\t\t\tpending.push( this.parser.getDependency( 'accessor', attributesDef[ key ] ).then( accessor => {\n\n\t\t\t\tattributes[ key ] = accessor;\n\t\t\t\treturn attributes[ key ];\n\n\t\t\t} ) );\n\n\t\t}\n\n\t\tif ( pending.length < 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tpending.push( this.parser.createNodeMesh( nodeIndex ) );\n\n\t\treturn Promise.all( pending ).then( results => {\n\n\t\t\tconst nodeObject = results.pop();\n\t\t\tconst meshes = nodeObject.isGroup ? nodeObject.children : [ nodeObject ];\n\t\t\tconst count = results[ 0 ].count; // All attribute counts should be same\n\t\t\tconst instancedMeshes = [];\n\n\t\t\tfor ( const mesh of meshes ) {\n\n\t\t\t\t// Temporal variables\n\t\t\t\tconst m = new Matrix4();\n\t\t\t\tconst p = new Vector3();\n\t\t\t\tconst q = new Quaternion();\n\t\t\t\tconst s = new Vector3( 1, 1, 1 );\n\n\t\t\t\tconst instancedMesh = new InstancedMesh( mesh.geometry, mesh.material, count );\n\n\t\t\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\t\t\tif ( attributes.TRANSLATION ) {\n\n\t\t\t\t\t\tp.fromBufferAttribute( attributes.TRANSLATION, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attributes.ROTATION ) {\n\n\t\t\t\t\t\tq.fromBufferAttribute( attributes.ROTATION, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attributes.SCALE ) {\n\n\t\t\t\t\t\ts.fromBufferAttribute( attributes.SCALE, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tinstancedMesh.setMatrixAt( i, m.compose( p, q, s ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Add instance attributes to the geometry, excluding TRS.\n\t\t\t\tfor ( const attributeName in attributes ) {\n\n\t\t\t\t\tif ( attributeName === '_COLOR_0' ) {\n\n\t\t\t\t\t\tconst attr = attributes[ attributeName ];\n\t\t\t\t\t\tinstancedMesh.instanceColor = new InstancedBufferAttribute( attr.array, attr.itemSize, attr.normalized );\n\n\t\t\t\t\t} else if ( attributeName !== 'TRANSLATION' &&\n\t\t\t\t\t\t attributeName !== 'ROTATION' &&\n\t\t\t\t\t\t attributeName !== 'SCALE' ) {\n\n\t\t\t\t\t\tmesh.geometry.setAttribute( attributeName, attributes[ attributeName ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Just in case\n\t\t\t\tObject3D.prototype.copy.call( instancedMesh, mesh );\n\n\t\t\t\tthis.parser.assignFinalMaterial( instancedMesh );\n\n\t\t\t\tinstancedMeshes.push( instancedMesh );\n\n\t\t\t}\n\n\t\t\tif ( nodeObject.isGroup ) {\n\n\t\t\t\tnodeObject.clear();\n\n\t\t\t\tnodeObject.add( ... instancedMeshes );\n\n\t\t\t\treturn nodeObject;\n\n\t\t\t}\n\n\t\t\treturn instancedMeshes[ 0 ];\n\n\t\t} );\n\n\t}\n\n}\n\n/* BINARY EXTENSION */\nconst BINARY_EXTENSION_HEADER_MAGIC = 'glTF';\nconst BINARY_EXTENSION_HEADER_LENGTH = 12;\nconst BINARY_EXTENSION_CHUNK_TYPES = { JSON: 0x4E4F534A, BIN: 0x004E4942 };\n\nclass GLTFBinaryExtension {\n\n\tconstructor( data ) {\n\n\t\tthis.name = EXTENSIONS.KHR_BINARY_GLTF;\n\t\tthis.content = null;\n\t\tthis.body = null;\n\n\t\tconst headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );\n\t\tconst textDecoder = new TextDecoder();\n\n\t\tthis.header = {\n\t\t\tmagic: textDecoder.decode( new Uint8Array( data.slice( 0, 4 ) ) ),\n\t\t\tversion: headerView.getUint32( 4, true ),\n\t\t\tlength: headerView.getUint32( 8, true )\n\t\t};\n\n\t\tif ( this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Unsupported glTF-Binary header.' );\n\n\t\t} else if ( this.header.version < 2.0 ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Legacy binary file detected.' );\n\n\t\t}\n\n\t\tconst chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH;\n\t\tconst chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH );\n\t\tlet chunkIndex = 0;\n\n\t\twhile ( chunkIndex < chunkContentsLength ) {\n\n\t\t\tconst chunkLength = chunkView.getUint32( chunkIndex, true );\n\t\t\tchunkIndex += 4;\n\n\t\t\tconst chunkType = chunkView.getUint32( chunkIndex, true );\n\t\t\tchunkIndex += 4;\n\n\t\t\tif ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) {\n\n\t\t\t\tconst contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength );\n\t\t\t\tthis.content = textDecoder.decode( contentArray );\n\n\t\t\t} else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) {\n\n\t\t\t\tconst byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;\n\t\t\t\tthis.body = data.slice( byteOffset, byteOffset + chunkLength );\n\n\t\t\t}\n\n\t\t\t// Clients must ignore chunks with unknown types.\n\n\t\t\tchunkIndex += chunkLength;\n\n\t\t}\n\n\t\tif ( this.content === null ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: JSON content not found.' );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * DRACO Mesh Compression Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression\n *\n * @private\n */\nclass GLTFDracoMeshCompressionExtension {\n\n\tconstructor( json, dracoLoader ) {\n\n\t\tif ( ! dracoLoader ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: No DRACOLoader instance provided.' );\n\n\t\t}\n\n\t\tthis.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;\n\t\tthis.json = json;\n\t\tthis.dracoLoader = dracoLoader;\n\t\tthis.dracoLoader.preload();\n\n\t}\n\n\tdecodePrimitive( primitive, parser ) {\n\n\t\tconst json = this.json;\n\t\tconst dracoLoader = this.dracoLoader;\n\t\tconst bufferViewIndex = primitive.extensions[ this.name ].bufferView;\n\t\tconst gltfAttributeMap = primitive.extensions[ this.name ].attributes;\n\t\tconst threeAttributeMap = {};\n\t\tconst attributeNormalizedMap = {};\n\t\tconst attributeTypeMap = {};\n\n\t\tfor ( const attributeName in gltfAttributeMap ) {\n\n\t\t\tconst threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();\n\n\t\t\tthreeAttributeMap[ threeAttributeName ] = gltfAttributeMap[ attributeName ];\n\n\t\t}\n\n\t\tfor ( const attributeName in primitive.attributes ) {\n\n\t\t\tconst threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();\n\n\t\t\tif ( gltfAttributeMap[ attributeName ] !== undefined ) {\n\n\t\t\t\tconst accessorDef = json.accessors[ primitive.attributes[ attributeName ] ];\n\t\t\t\tconst componentType = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];\n\n\t\t\t\tattributeTypeMap[ threeAttributeName ] = componentType.name;\n\t\t\t\tattributeNormalizedMap[ threeAttributeName ] = accessorDef.normalized === true;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn parser.getDependency( 'bufferView', bufferViewIndex ).then( function ( bufferView ) {\n\n\t\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\t\tdracoLoader.decodeDracoFile( bufferView, function ( geometry ) {\n\n\t\t\t\t\tfor ( const attributeName in geometry.attributes ) {\n\n\t\t\t\t\t\tconst attribute = geometry.attributes[ attributeName ];\n\t\t\t\t\t\tconst normalized = attributeNormalizedMap[ attributeName ];\n\n\t\t\t\t\t\tif ( normalized !== undefined ) attribute.normalized = normalized;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tresolve( geometry );\n\n\t\t\t\t}, threeAttributeMap, attributeTypeMap, LinearSRGBColorSpace, reject );\n\n\t\t\t} );\n\n\t\t} );\n\n\t}\n\n}\n\n/**\n * Texture Transform Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform\n *\n * @private\n */\nclass GLTFTextureTransformExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;\n\n\t}\n\n\textendTexture( texture, transform ) {\n\n\t\tif ( ( transform.texCoord === undefined || transform.texCoord === texture.channel )\n\t\t\t&& transform.offset === undefined\n\t\t\t&& transform.rotation === undefined\n\t\t\t&& transform.scale === undefined ) {\n\n\t\t\t// See https://github.com/mrdoob/three.js/issues/21819.\n\t\t\treturn texture;\n\n\t\t}\n\n\t\ttexture = texture.clone();\n\n\t\tif ( transform.texCoord !== undefined ) {\n\n\t\t\ttexture.channel = transform.texCoord;\n\n\t\t}\n\n\t\tif ( transform.offset !== undefined ) {\n\n\t\t\ttexture.offset.fromArray( transform.offset );\n\n\t\t}\n\n\t\tif ( transform.rotation !== undefined ) {\n\n\t\t\ttexture.rotation = transform.rotation;\n\n\t\t}\n\n\t\tif ( transform.scale !== undefined ) {\n\n\t\t\ttexture.repeat.fromArray( transform.scale );\n\n\t\t}\n\n\t\ttexture.needsUpdate = true;\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Mesh Quantization Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization\n *\n * @private\n */\nclass GLTFMeshQuantizationExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_MESH_QUANTIZATION;\n\n\t}\n\n}\n\n/*********************************/\n/********** INTERPOLATION ********/\n/*********************************/\n\n// Spline Interpolation\n// Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation\nclass GLTFCubicSplineInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// Copies a sample value to the result buffer. See description of glTF\n\t\t// CUBICSPLINE values layout in interpolate_() function below.\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tvalueSize = this.valueSize,\n\t\t\toffset = index * valueSize * 3 + valueSize;\n\n\t\tfor ( let i = 0; i !== valueSize; i ++ ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer;\n\t\tconst values = this.sampleValues;\n\t\tconst stride = this.valueSize;\n\n\t\tconst stride2 = stride * 2;\n\t\tconst stride3 = stride * 3;\n\n\t\tconst td = t1 - t0;\n\n\t\tconst p = ( t - t0 ) / td;\n\t\tconst pp = p * p;\n\t\tconst ppp = pp * p;\n\n\t\tconst offset1 = i1 * stride3;\n\t\tconst offset0 = offset1 - stride3;\n\n\t\tconst s2 = - 2 * ppp + 3 * pp;\n\t\tconst s3 = ppp - pp;\n\t\tconst s0 = 1 - s2;\n\t\tconst s1 = s3 - pp + p;\n\n\t\t// Layout of keyframe output values for CUBICSPLINE animations:\n\t\t// [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]\n\t\tfor ( let i = 0; i !== stride; i ++ ) {\n\n\t\t\tconst p0 = values[ offset0 + i + stride ]; // splineVertex_k\n\t\t\tconst m0 = values[ offset0 + i + stride2 ] * td; // outTangent_k * (t_k+1 - t_k)\n\t\t\tconst p1 = values[ offset1 + i + stride ]; // splineVertex_k+1\n\t\t\tconst m1 = values[ offset1 + i ] * td; // inTangent_k+1 * (t_k+1 - t_k)\n\n\t\t\tresult[ i ] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nconst _quaternion = new Quaternion();\n\nclass GLTFCubicSplineQuaternionInterpolant extends GLTFCubicSplineInterpolant {\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = super.interpolate_( i1, t0, t, t1 );\n\n\t\t_quaternion.fromArray( result ).normalize().toArray( result );\n\n\t\treturn result;\n\n\t}\n\n}\n\n\n/*********************************/\n/********** INTERNALS ************/\n/*********************************/\n\n/* CONSTANTS */\n\nconst WEBGL_CONSTANTS = {\n\tFLOAT: 5126,\n\t//FLOAT_MAT2: 35674,\n\tFLOAT_MAT3: 35675,\n\tFLOAT_MAT4: 35676,\n\tFLOAT_VEC2: 35664,\n\tFLOAT_VEC3: 35665,\n\tFLOAT_VEC4: 35666,\n\tLINEAR: 9729,\n\tREPEAT: 10497,\n\tSAMPLER_2D: 35678,\n\tPOINTS: 0,\n\tLINES: 1,\n\tLINE_LOOP: 2,\n\tLINE_STRIP: 3,\n\tTRIANGLES: 4,\n\tTRIANGLE_STRIP: 5,\n\tTRIANGLE_FAN: 6,\n\tUNSIGNED_BYTE: 5121,\n\tUNSIGNED_SHORT: 5123\n};\n\nconst WEBGL_COMPONENT_TYPES = {\n\t5120: Int8Array,\n\t5121: Uint8Array,\n\t5122: Int16Array,\n\t5123: Uint16Array,\n\t5125: Uint32Array,\n\t5126: Float32Array\n};\n\nconst WEBGL_FILTERS = {\n\t9728: NearestFilter,\n\t9729: LinearFilter,\n\t9984: NearestMipmapNearestFilter,\n\t9985: LinearMipmapNearestFilter,\n\t9986: NearestMipmapLinearFilter,\n\t9987: LinearMipmapLinearFilter\n};\n\nconst WEBGL_WRAPPINGS = {\n\t33071: ClampToEdgeWrapping,\n\t33648: MirroredRepeatWrapping,\n\t10497: RepeatWrapping\n};\n\nconst WEBGL_TYPE_SIZES = {\n\t'SCALAR': 1,\n\t'VEC2': 2,\n\t'VEC3': 3,\n\t'VEC4': 4,\n\t'MAT2': 4,\n\t'MAT3': 9,\n\t'MAT4': 16\n};\n\nconst ATTRIBUTES = {\n\tPOSITION: 'position',\n\tNORMAL: 'normal',\n\tTANGENT: 'tangent',\n\tTEXCOORD_0: 'uv',\n\tTEXCOORD_1: 'uv1',\n\tTEXCOORD_2: 'uv2',\n\tTEXCOORD_3: 'uv3',\n\tCOLOR_0: 'color',\n\tWEIGHTS_0: 'skinWeight',\n\tJOINTS_0: 'skinIndex',\n};\n\nconst PATH_PROPERTIES = {\n\tscale: 'scale',\n\ttranslation: 'position',\n\trotation: 'quaternion',\n\tweights: 'morphTargetInfluences'\n};\n\nconst INTERPOLATION = {\n\tCUBICSPLINE: undefined, // We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each\n\t\t // keyframe track will be initialized with a default interpolation type, then modified.\n\tLINEAR: InterpolateLinear,\n\tSTEP: InterpolateDiscrete\n};\n\nconst ALPHA_MODES = {\n\tOPAQUE: 'OPAQUE',\n\tMASK: 'MASK',\n\tBLEND: 'BLEND'\n};\n\n/**\n * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material\n *\n * @private\n * @param {Object} cache\n * @return {Material}\n */\nfunction createDefaultMaterial( cache ) {\n\n\tif ( cache[ 'DefaultMaterial' ] === undefined ) {\n\n\t\tcache[ 'DefaultMaterial' ] = new MeshStandardMaterial( {\n\t\t\tcolor: 0xFFFFFF,\n\t\t\temissive: 0x000000,\n\t\t\tmetalness: 1,\n\t\t\troughness: 1,\n\t\t\ttransparent: false,\n\t\t\tdepthTest: true,\n\t\t\tside: FrontSide\n\t\t} );\n\n\t}\n\n\treturn cache[ 'DefaultMaterial' ];\n\n}\n\nfunction addUnknownExtensionsToUserData( knownExtensions, object, objectDef ) {\n\n\t// Add unknown glTF extensions to an object's userData.\n\n\tfor ( const name in objectDef.extensions ) {\n\n\t\tif ( knownExtensions[ name ] === undefined ) {\n\n\t\t\tobject.userData.gltfExtensions = object.userData.gltfExtensions || {};\n\t\t\tobject.userData.gltfExtensions[ name ] = objectDef.extensions[ name ];\n\n\t\t}\n\n\t}\n\n}\n\n/**\n *\n * @private\n * @param {Object3D|Material|BufferGeometry|Object|AnimationClip} object\n * @param {GLTF.definition} gltfDef\n */\nfunction assignExtrasToUserData( object, gltfDef ) {\n\n\tif ( gltfDef.extras !== undefined ) {\n\n\t\tif ( typeof gltfDef.extras === 'object' ) {\n\n\t\t\tObject.assign( object.userData, gltfDef.extras );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets\n *\n * @private\n * @param {BufferGeometry} geometry\n * @param {Array} targets\n * @param {GLTFParser} parser\n * @return {Promise}\n */\nfunction addMorphTargets( geometry, targets, parser ) {\n\n\tlet hasMorphPosition = false;\n\tlet hasMorphNormal = false;\n\tlet hasMorphColor = false;\n\n\tfor ( let i = 0, il = targets.length; i < il; i ++ ) {\n\n\t\tconst target = targets[ i ];\n\n\t\tif ( target.POSITION !== undefined ) hasMorphPosition = true;\n\t\tif ( target.NORMAL !== undefined ) hasMorphNormal = true;\n\t\tif ( target.COLOR_0 !== undefined ) hasMorphColor = true;\n\n\t\tif ( hasMorphPosition && hasMorphNormal && hasMorphColor ) break;\n\n\t}\n\n\tif ( ! hasMorphPosition && ! hasMorphNormal && ! hasMorphColor ) return Promise.resolve( geometry );\n\n\tconst pendingPositionAccessors = [];\n\tconst pendingNormalAccessors = [];\n\tconst pendingColorAccessors = [];\n\n\tfor ( let i = 0, il = targets.length; i < il; i ++ ) {\n\n\t\tconst target = targets[ i ];\n\n\t\tif ( hasMorphPosition ) {\n\n\t\t\tconst pendingAccessor = target.POSITION !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.POSITION )\n\t\t\t\t: geometry.attributes.position;\n\n\t\t\tpendingPositionAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t\tif ( hasMorphNormal ) {\n\n\t\t\tconst pendingAccessor = target.NORMAL !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.NORMAL )\n\t\t\t\t: geometry.attributes.normal;\n\n\t\t\tpendingNormalAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t\tif ( hasMorphColor ) {\n\n\t\t\tconst pendingAccessor = target.COLOR_0 !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.COLOR_0 )\n\t\t\t\t: geometry.attributes.color;\n\n\t\t\tpendingColorAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t}\n\n\treturn Promise.all( [\n\t\tPromise.all( pendingPositionAccessors ),\n\t\tPromise.all( pendingNormalAccessors ),\n\t\tPromise.all( pendingColorAccessors )\n\t] ).then( function ( accessors ) {\n\n\t\tconst morphPositions = accessors[ 0 ];\n\t\tconst morphNormals = accessors[ 1 ];\n\t\tconst morphColors = accessors[ 2 ];\n\n\t\tif ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions;\n\t\tif ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals;\n\t\tif ( hasMorphColor ) geometry.morphAttributes.color = morphColors;\n\t\tgeometry.morphTargetsRelative = true;\n\n\t\treturn geometry;\n\n\t} );\n\n}\n\n/**\n *\n * @private\n * @param {Mesh} mesh\n * @param {GLTF.Mesh} meshDef\n */\nfunction updateMorphTargets( mesh, meshDef ) {\n\n\tmesh.updateMorphTargets();\n\n\tif ( meshDef.weights !== undefined ) {\n\n\t\tfor ( let i = 0, il = meshDef.weights.length; i < il; i ++ ) {\n\n\t\t\tmesh.morphTargetInfluences[ i ] = meshDef.weights[ i ];\n\n\t\t}\n\n\t}\n\n\t// .extras has user-defined data, so check that .extras.targetNames is an array.\n\tif ( meshDef.extras && Array.isArray( meshDef.extras.targetNames ) ) {\n\n\t\tconst targetNames = meshDef.extras.targetNames;\n\n\t\tif ( mesh.morphTargetInfluences.length === targetNames.length ) {\n\n\t\t\tmesh.morphTargetDictionary = {};\n\n\t\t\tfor ( let i = 0, il = targetNames.length; i < il; i ++ ) {\n\n\t\t\t\tmesh.morphTargetDictionary[ targetNames[ i ] ] = i;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.' );\n\n\t\t}\n\n\t}\n\n}\n\nfunction createPrimitiveKey( primitiveDef ) {\n\n\tlet geometryKey;\n\n\tconst dracoExtension = primitiveDef.extensions && primitiveDef.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ];\n\n\tif ( dracoExtension ) {\n\n\t\tgeometryKey = 'draco:' + dracoExtension.bufferView\n\t\t\t\t+ ':' + dracoExtension.indices\n\t\t\t\t+ ':' + createAttributesKey( dracoExtension.attributes );\n\n\t} else {\n\n\t\tgeometryKey = primitiveDef.indices + ':' + createAttributesKey( primitiveDef.attributes ) + ':' + primitiveDef.mode;\n\n\t}\n\n\tif ( primitiveDef.targets !== undefined ) {\n\n\t\tfor ( let i = 0, il = primitiveDef.targets.length; i < il; i ++ ) {\n\n\t\t\tgeometryKey += ':' + createAttributesKey( primitiveDef.targets[ i ] );\n\n\t\t}\n\n\t}\n\n\treturn geometryKey;\n\n}\n\nfunction createAttributesKey( attributes ) {\n\n\tlet attributesKey = '';\n\n\tconst keys = Object.keys( attributes ).sort();\n\n\tfor ( let i = 0, il = keys.length; i < il; i ++ ) {\n\n\t\tattributesKey += keys[ i ] + ':' + attributes[ keys[ i ] ] + ';';\n\n\t}\n\n\treturn attributesKey;\n\n}\n\nfunction getNormalizedComponentScale( constructor ) {\n\n\t// Reference:\n\t// https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization#encoding-quantized-data\n\n\tswitch ( constructor ) {\n\n\t\tcase Int8Array:\n\t\t\treturn 1 / 127;\n\n\t\tcase Uint8Array:\n\t\t\treturn 1 / 255;\n\n\t\tcase Int16Array:\n\t\t\treturn 1 / 32767;\n\n\t\tcase Uint16Array:\n\t\t\treturn 1 / 65535;\n\n\t\tdefault:\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Unsupported normalized accessor component type.' );\n\n\t}\n\n}\n\nfunction getImageURIMimeType( uri ) {\n\n\tif ( uri.search( /\\.jpe?g($|\\?)/i ) > 0 || uri.search( /^data\\:image\\/jpeg/ ) === 0 ) return 'image/jpeg';\n\tif ( uri.search( /\\.webp($|\\?)/i ) > 0 || uri.search( /^data\\:image\\/webp/ ) === 0 ) return 'image/webp';\n\tif ( uri.search( /\\.ktx2($|\\?)/i ) > 0 || uri.search( /^data\\:image\\/ktx2/ ) === 0 ) return 'image/ktx2';\n\n\treturn 'image/png';\n\n}\n\nconst _identityMatrix = new Matrix4();\n\n/* GLTF PARSER */\n\nclass GLTFParser {\n\n\tconstructor( json = {}, options = {} ) {\n\n\t\tthis.json = json;\n\t\tthis.extensions = {};\n\t\tthis.plugins = {};\n\t\tthis.options = options;\n\n\t\t// loader object cache\n\t\tthis.cache = new GLTFRegistry();\n\n\t\t// associations between Three.js objects and glTF elements\n\t\tthis.associations = new Map();\n\n\t\t// BufferGeometry caching\n\t\tthis.primitiveCache = {};\n\n\t\t// Node cache\n\t\tthis.nodeCache = {};\n\n\t\t// Object3D instance caches\n\t\tthis.meshCache = { refs: {}, uses: {} };\n\t\tthis.cameraCache = { refs: {}, uses: {} };\n\t\tthis.lightCache = { refs: {}, uses: {} };\n\n\t\tthis.sourceCache = {};\n\t\tthis.textureCache = {};\n\n\t\t// Track node names, to ensure no duplicates\n\t\tthis.nodeNamesUsed = {};\n\n\t\t// Use an ImageBitmapLoader if imageBitmaps are supported. Moves much of the\n\t\t// expensive work of uploading a texture to the GPU off the main thread.\n\n\t\tlet isSafari = false;\n\t\tlet safariVersion = - 1;\n\t\tlet isFirefox = false;\n\t\tlet firefoxVersion = - 1;\n\n\t\tif ( typeof navigator !== 'undefined' ) {\n\n\t\t\tconst userAgent = navigator.userAgent;\n\n\t\t\tisSafari = /^((?!chrome|android).)*safari/i.test( userAgent ) === true;\n\t\t\tconst safariMatch = userAgent.match( /Version\\/(\\d+)/ );\n\t\t\tsafariVersion = isSafari && safariMatch ? parseInt( safariMatch[ 1 ], 10 ) : - 1;\n\n\t\t\tisFirefox = userAgent.indexOf( 'Firefox' ) > - 1;\n\t\t\tfirefoxVersion = isFirefox ? userAgent.match( /Firefox\\/([0-9]+)\\./ )[ 1 ] : - 1;\n\n\t\t}\n\n\t\tif ( typeof createImageBitmap === 'undefined' || ( isSafari && safariVersion < 17 ) || ( isFirefox && firefoxVersion < 98 ) ) {\n\n\t\t\tthis.textureLoader = new TextureLoader( this.options.manager );\n\n\t\t} else {\n\n\t\t\tthis.textureLoader = new ImageBitmapLoader( this.options.manager );\n\n\t\t}\n\n\t\tthis.textureLoader.setCrossOrigin( this.options.crossOrigin );\n\t\tthis.textureLoader.setRequestHeader( this.options.requestHeader );\n\n\t\tthis.fileLoader = new FileLoader( this.options.manager );\n\t\tthis.fileLoader.setResponseType( 'arraybuffer' );\n\n\t\tif ( this.options.crossOrigin === 'use-credentials' ) {\n\n\t\t\tthis.fileLoader.setWithCredentials( true );\n\n\t\t}\n\n\t}\n\n\tsetExtensions( extensions ) {\n\n\t\tthis.extensions = extensions;\n\n\t}\n\n\tsetPlugins( plugins ) {\n\n\t\tthis.plugins = plugins;\n\n\t}\n\n\tparse( onLoad, onError ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\n\t\t// Clear the loader cache\n\t\tthis.cache.removeAll();\n\t\tthis.nodeCache = {};\n\n\t\t// Mark the special nodes/meshes in json for efficient parse\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\treturn ext._markDefs && ext._markDefs();\n\n\t\t} );\n\n\t\tPromise.all( this._invokeAll( function ( ext ) {\n\n\t\t\treturn ext.beforeRoot && ext.beforeRoot();\n\n\t\t} ) ).then( function () {\n\n\t\t\treturn Promise.all( [\n\n\t\t\t\tparser.getDependencies( 'scene' ),\n\t\t\t\tparser.getDependencies( 'animation' ),\n\t\t\t\tparser.getDependencies( 'camera' ),\n\n\t\t\t] );\n\n\t\t} ).then( function ( dependencies ) {\n\n\t\t\tconst result = {\n\t\t\t\tscene: dependencies[ 0 ][ json.scene || 0 ],\n\t\t\t\tscenes: dependencies[ 0 ],\n\t\t\t\tanimations: dependencies[ 1 ],\n\t\t\t\tcameras: dependencies[ 2 ],\n\t\t\t\tasset: json.asset,\n\t\t\t\tparser: parser,\n\t\t\t\tuserData: {}\n\t\t\t};\n\n\t\t\taddUnknownExtensionsToUserData( extensions, result, json );\n\n\t\t\tassignExtrasToUserData( result, json );\n\n\t\t\treturn Promise.all( parser._invokeAll( function ( ext ) {\n\n\t\t\t\treturn ext.afterRoot && ext.afterRoot( result );\n\n\t\t\t} ) ).then( function () {\n\n\t\t\t\tfor ( const scene of result.scenes ) {\n\n\t\t\t\t\tscene.updateMatrixWorld();\n\n\t\t\t\t}\n\n\t\t\t\tonLoad( result );\n\n\t\t\t} );\n\n\t\t} ).catch( onError );\n\n\t}\n\n\t/**\n\t * Marks the special nodes/meshes in json for efficient parse.\n\t *\n\t * @private\n\t */\n\t_markDefs() {\n\n\t\tconst nodeDefs = this.json.nodes || [];\n\t\tconst skinDefs = this.json.skins || [];\n\t\tconst meshDefs = this.json.meshes || [];\n\n\t\t// Nothing in the node definition indicates whether it is a Bone or an\n\t\t// Object3D. Use the skins' joint references to mark bones.\n\t\tfor ( let skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) {\n\n\t\t\tconst joints = skinDefs[ skinIndex ].joints;\n\n\t\t\tfor ( let i = 0, il = joints.length; i < il; i ++ ) {\n\n\t\t\t\tnodeDefs[ joints[ i ] ].isBone = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Iterate over all nodes, marking references to shared resources,\n\t\t// as well as skeleton joints.\n\t\tfor ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {\n\n\t\t\tconst nodeDef = nodeDefs[ nodeIndex ];\n\n\t\t\tif ( nodeDef.mesh !== undefined ) {\n\n\t\t\t\tthis._addNodeRef( this.meshCache, nodeDef.mesh );\n\n\t\t\t\t// Nothing in the mesh definition indicates whether it is\n\t\t\t\t// a SkinnedMesh or Mesh. Use the node's mesh reference\n\t\t\t\t// to mark SkinnedMesh if node has skin.\n\t\t\t\tif ( nodeDef.skin !== undefined ) {\n\n\t\t\t\t\tmeshDefs[ nodeDef.mesh ].isSkinnedMesh = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( nodeDef.camera !== undefined ) {\n\n\t\t\t\tthis._addNodeRef( this.cameraCache, nodeDef.camera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Counts references to shared node / Object3D resources. These resources\n\t * can be reused, or \"instantiated\", at multiple nodes in the scene\n\t * hierarchy. Mesh, Camera, and Light instances are instantiated and must\n\t * be marked. Non-scenegraph resources (like Materials, Geometries, and\n\t * Textures) can be reused directly and are not marked here.\n\t *\n\t * Example: CesiumMilkTruck sample model reuses \"Wheel\" meshes.\n\t *\n\t * @private\n\t * @param {Object} cache\n\t * @param {Object3D} index\n\t */\n\t_addNodeRef( cache, index ) {\n\n\t\tif ( index === undefined ) return;\n\n\t\tif ( cache.refs[ index ] === undefined ) {\n\n\t\t\tcache.refs[ index ] = cache.uses[ index ] = 0;\n\n\t\t}\n\n\t\tcache.refs[ index ] ++;\n\n\t}\n\n\t/**\n\t * Returns a reference to a shared resource, cloning it if necessary.\n\t *\n\t * @private\n\t * @param {Object} cache\n\t * @param {number} index\n\t * @param {Object} object\n\t * @return {Object}\n\t */\n\t_getNodeRef( cache, index, object ) {\n\n\t\tif ( cache.refs[ index ] <= 1 ) return object;\n\n\t\tconst ref = object.clone();\n\n\t\t// Propagates mappings to the cloned object, prevents mappings on the\n\t\t// original object from being lost.\n\t\tconst updateMappings = ( original, clone ) => {\n\n\t\t\tconst mappings = this.associations.get( original );\n\t\t\tif ( mappings != null ) {\n\n\t\t\t\tthis.associations.set( clone, mappings );\n\n\t\t\t}\n\n\t\t\tfor ( const [ i, child ] of original.children.entries() ) {\n\n\t\t\t\tupdateMappings( child, clone.children[ i ] );\n\n\t\t\t}\n\n\t\t};\n\n\t\tupdateMappings( object, ref );\n\n\t\tref.name += '_instance_' + ( cache.uses[ index ] ++ );\n\n\t\treturn ref;\n\n\t}\n\n\t_invokeOne( func ) {\n\n\t\tconst extensions = Object.values( this.plugins );\n\t\textensions.push( this );\n\n\t\tfor ( let i = 0; i < extensions.length; i ++ ) {\n\n\t\t\tconst result = func( extensions[ i ] );\n\n\t\t\tif ( result ) return result;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t_invokeAll( func ) {\n\n\t\tconst extensions = Object.values( this.plugins );\n\t\textensions.unshift( this );\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0; i < extensions.length; i ++ ) {\n\n\t\t\tconst result = func( extensions[ i ] );\n\n\t\t\tif ( result ) pending.push( result );\n\n\t\t}\n\n\t\treturn pending;\n\n\t}\n\n\t/**\n\t * Requests the specified dependency asynchronously, with caching.\n\t *\n\t * @private\n\t * @param {string} type\n\t * @param {number} index\n\t * @return {Promise}\n\t */\n\tgetDependency( type, index ) {\n\n\t\tconst cacheKey = type + ':' + index;\n\t\tlet dependency = this.cache.get( cacheKey );\n\n\t\tif ( ! dependency ) {\n\n\t\t\tswitch ( type ) {\n\n\t\t\t\tcase 'scene':\n\t\t\t\t\tdependency = this.loadScene( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'node':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadNode && ext.loadNode( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'mesh':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadMesh && ext.loadMesh( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'accessor':\n\t\t\t\t\tdependency = this.loadAccessor( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bufferView':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadBufferView && ext.loadBufferView( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'buffer':\n\t\t\t\t\tdependency = this.loadBuffer( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'material':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadMaterial && ext.loadMaterial( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'texture':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadTexture && ext.loadTexture( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'skin':\n\t\t\t\t\tdependency = this.loadSkin( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'animation':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadAnimation && ext.loadAnimation( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'camera':\n\t\t\t\t\tdependency = this.loadCamera( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext != this && ext.getDependency && ext.getDependency( type, index );\n\n\t\t\t\t\t} );\n\n\t\t\t\t\tif ( ! dependency ) {\n\n\t\t\t\t\t\tthrow new Error( 'Unknown type: ' + type );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tthis.cache.add( cacheKey, dependency );\n\n\t\t}\n\n\t\treturn dependency;\n\n\t}\n\n\t/**\n\t * Requests all dependencies of the specified type asynchronously, with caching.\n\t *\n\t * @private\n\t * @param {string} type\n\t * @return {Promise>}\n\t */\n\tgetDependencies( type ) {\n\n\t\tlet dependencies = this.cache.get( type );\n\n\t\tif ( ! dependencies ) {\n\n\t\t\tconst parser = this;\n\t\t\tconst defs = this.json[ type + ( type === 'mesh' ? 'es' : 's' ) ] || [];\n\n\t\t\tdependencies = Promise.all( defs.map( function ( def, index ) {\n\n\t\t\t\treturn parser.getDependency( type, index );\n\n\t\t\t} ) );\n\n\t\t\tthis.cache.add( type, dependencies );\n\n\t\t}\n\n\t\treturn dependencies;\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views\n\t *\n\t * @private\n\t * @param {number} bufferIndex\n\t * @return {Promise}\n\t */\n\tloadBuffer( bufferIndex ) {\n\n\t\tconst bufferDef = this.json.buffers[ bufferIndex ];\n\t\tconst loader = this.fileLoader;\n\n\t\tif ( bufferDef.type && bufferDef.type !== 'arraybuffer' ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' );\n\n\t\t}\n\n\t\t// If present, GLB container is required to be the first buffer.\n\t\tif ( bufferDef.uri === undefined && bufferIndex === 0 ) {\n\n\t\t\treturn Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body );\n\n\t\t}\n\n\t\tconst options = this.options;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tloader.load( LoaderUtils.resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () {\n\n\t\t\t\treject( new Error( 'THREE.GLTFLoader: Failed to load buffer \"' + bufferDef.uri + '\".' ) );\n\n\t\t\t} );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views\n\t *\n\t * @private\n\t * @param {number} bufferViewIndex\n\t * @return {Promise}\n\t */\n\tloadBufferView( bufferViewIndex ) {\n\n\t\tconst bufferViewDef = this.json.bufferViews[ bufferViewIndex ];\n\n\t\treturn this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) {\n\n\t\t\tconst byteLength = bufferViewDef.byteLength || 0;\n\t\t\tconst byteOffset = bufferViewDef.byteOffset || 0;\n\t\t\treturn buffer.slice( byteOffset, byteOffset + byteLength );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors\n\t *\n\t * @private\n\t * @param {number} accessorIndex\n\t * @return {Promise}\n\t */\n\tloadAccessor( accessorIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\n\t\tconst accessorDef = this.json.accessors[ accessorIndex ];\n\n\t\tif ( accessorDef.bufferView === undefined && accessorDef.sparse === undefined ) {\n\n\t\t\tconst itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];\n\t\t\tconst TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];\n\t\t\tconst normalized = accessorDef.normalized === true;\n\n\t\t\tconst array = new TypedArray( accessorDef.count * itemSize );\n\t\t\treturn Promise.resolve( new BufferAttribute( array, itemSize, normalized ) );\n\n\t\t}\n\n\t\tconst pendingBufferViews = [];\n\n\t\tif ( accessorDef.bufferView !== undefined ) {\n\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.bufferView ) );\n\n\t\t} else {\n\n\t\t\tpendingBufferViews.push( null );\n\n\t\t}\n\n\t\tif ( accessorDef.sparse !== undefined ) {\n\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.indices.bufferView ) );\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.values.bufferView ) );\n\n\t\t}\n\n\t\treturn Promise.all( pendingBufferViews ).then( function ( bufferViews ) {\n\n\t\t\tconst bufferView = bufferViews[ 0 ];\n\n\t\t\tconst itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];\n\t\t\tconst TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];\n\n\t\t\t// For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.\n\t\t\tconst elementBytes = TypedArray.BYTES_PER_ELEMENT;\n\t\t\tconst itemBytes = elementBytes * itemSize;\n\t\t\tconst byteOffset = accessorDef.byteOffset || 0;\n\t\t\tconst byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[ accessorDef.bufferView ].byteStride : undefined;\n\t\t\tconst normalized = accessorDef.normalized === true;\n\t\t\tlet array, bufferAttribute;\n\n\t\t\t// The buffer is not interleaved if the stride is the item size in bytes.\n\t\t\tif ( byteStride && byteStride !== itemBytes ) {\n\n\t\t\t\t// Each \"slice\" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own InterleavedBuffer\n\t\t\t\t// This makes sure that IBA.count reflects accessor.count properly\n\t\t\t\tconst ibSlice = Math.floor( byteOffset / byteStride );\n\t\t\t\tconst ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;\n\t\t\t\tlet ib = parser.cache.get( ibCacheKey );\n\n\t\t\t\tif ( ! ib ) {\n\n\t\t\t\t\tarray = new TypedArray( bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes );\n\n\t\t\t\t\t// Integer parameters to IB/IBA are in array elements, not bytes.\n\t\t\t\t\tib = new InterleavedBuffer( array, byteStride / elementBytes );\n\n\t\t\t\t\tparser.cache.add( ibCacheKey, ib );\n\n\t\t\t\t}\n\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( ib, itemSize, ( byteOffset % byteStride ) / elementBytes, normalized );\n\n\t\t\t} else {\n\n\t\t\t\tif ( bufferView === null ) {\n\n\t\t\t\t\tarray = new TypedArray( accessorDef.count * itemSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tarray = new TypedArray( bufferView, byteOffset, accessorDef.count * itemSize );\n\n\t\t\t\t}\n\n\t\t\t\tbufferAttribute = new BufferAttribute( array, itemSize, normalized );\n\n\t\t\t}\n\n\t\t\t// https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors\n\t\t\tif ( accessorDef.sparse !== undefined ) {\n\n\t\t\t\tconst itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;\n\t\t\t\tconst TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ];\n\n\t\t\t\tconst byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;\n\t\t\t\tconst byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;\n\n\t\t\t\tconst sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices );\n\t\t\t\tconst sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize );\n\n\t\t\t\tif ( bufferView !== null ) {\n\n\t\t\t\t\t// Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.\n\t\t\t\t\tbufferAttribute = new BufferAttribute( bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized );\n\n\t\t\t\t}\n\n\t\t\t\t// Ignore normalized since we copy from sparse\n\t\t\t\tbufferAttribute.normalized = false;\n\n\t\t\t\tfor ( let i = 0, il = sparseIndices.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst index = sparseIndices[ i ];\n\n\t\t\t\t\tbufferAttribute.setX( index, sparseValues[ i * itemSize ] );\n\t\t\t\t\tif ( itemSize >= 2 ) bufferAttribute.setY( index, sparseValues[ i * itemSize + 1 ] );\n\t\t\t\t\tif ( itemSize >= 3 ) bufferAttribute.setZ( index, sparseValues[ i * itemSize + 2 ] );\n\t\t\t\t\tif ( itemSize >= 4 ) bufferAttribute.setW( index, sparseValues[ i * itemSize + 3 ] );\n\t\t\t\t\tif ( itemSize >= 5 ) throw new Error( 'THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.' );\n\n\t\t\t\t}\n\n\t\t\t\tbufferAttribute.normalized = normalized;\n\n\t\t\t}\n\n\t\t\treturn bufferAttribute;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures\n\t *\n\t * @private\n\t * @param {number} textureIndex\n\t * @return {Promise}\n\t */\n\tloadTexture( textureIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst options = this.options;\n\t\tconst textureDef = json.textures[ textureIndex ];\n\t\tconst sourceIndex = textureDef.source;\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tlet loader = this.textureLoader;\n\n\t\tif ( sourceDef.uri ) {\n\n\t\t\tconst handler = options.manager.getHandler( sourceDef.uri );\n\t\t\tif ( handler !== null ) loader = handler;\n\n\t\t}\n\n\t\treturn this.loadTextureImage( textureIndex, sourceIndex, loader );\n\n\t}\n\n\tloadTextureImage( textureIndex, sourceIndex, loader ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tconst cacheKey = ( sourceDef.uri || sourceDef.bufferView ) + ':' + textureDef.sampler;\n\n\t\tif ( this.textureCache[ cacheKey ] ) {\n\n\t\t\t// See https://github.com/mrdoob/three.js/issues/21559.\n\t\t\treturn this.textureCache[ cacheKey ];\n\n\t\t}\n\n\t\tconst promise = this.loadImageSource( sourceIndex, loader ).then( function ( texture ) {\n\n\t\t\ttexture.flipY = false;\n\n\t\t\ttexture.name = textureDef.name || sourceDef.name || '';\n\n\t\t\tif ( texture.name === '' && typeof sourceDef.uri === 'string' && sourceDef.uri.startsWith( 'data:image/' ) === false ) {\n\n\t\t\t\ttexture.name = sourceDef.uri;\n\n\t\t\t}\n\n\t\t\tconst samplers = json.samplers || {};\n\t\t\tconst sampler = samplers[ textureDef.sampler ] || {};\n\n\t\t\ttexture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || LinearFilter;\n\t\t\ttexture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || LinearMipmapLinearFilter;\n\t\t\ttexture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || RepeatWrapping;\n\t\t\ttexture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || RepeatWrapping;\n\t\t\ttexture.generateMipmaps = ! texture.isCompressedTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;\n\n\t\t\tparser.associations.set( texture, { textures: textureIndex } );\n\n\t\t\treturn texture;\n\n\t\t} ).catch( function () {\n\n\t\t\treturn null;\n\n\t\t} );\n\n\t\tthis.textureCache[ cacheKey ] = promise;\n\n\t\treturn promise;\n\n\t}\n\n\tloadImageSource( sourceIndex, loader ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst options = this.options;\n\n\t\tif ( this.sourceCache[ sourceIndex ] !== undefined ) {\n\n\t\t\treturn this.sourceCache[ sourceIndex ].then( ( texture ) => texture.clone() );\n\n\t\t}\n\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tconst URL = self.URL || self.webkitURL;\n\n\t\tlet sourceURI = sourceDef.uri || '';\n\t\tlet isObjectURL = false;\n\n\t\tif ( sourceDef.bufferView !== undefined ) {\n\n\t\t\t// Load binary image data from bufferView, if provided.\n\n\t\t\tsourceURI = parser.getDependency( 'bufferView', sourceDef.bufferView ).then( function ( bufferView ) {\n\n\t\t\t\tisObjectURL = true;\n\t\t\t\tconst blob = new Blob( [ bufferView ], { type: sourceDef.mimeType } );\n\t\t\t\tsourceURI = URL.createObjectURL( blob );\n\t\t\t\treturn sourceURI;\n\n\t\t\t} );\n\n\t\t} else if ( sourceDef.uri === undefined ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Image ' + sourceIndex + ' is missing URI and bufferView' );\n\n\t\t}\n\n\t\tconst promise = Promise.resolve( sourceURI ).then( function ( sourceURI ) {\n\n\t\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\t\tlet onLoad = resolve;\n\n\t\t\t\tif ( loader.isImageBitmapLoader === true ) {\n\n\t\t\t\t\tonLoad = function ( imageBitmap ) {\n\n\t\t\t\t\t\tconst texture = new Texture( imageBitmap );\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tresolve( texture );\n\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tloader.load( LoaderUtils.resolveURL( sourceURI, options.path ), onLoad, undefined, reject );\n\n\t\t\t} );\n\n\t\t} ).then( function ( texture ) {\n\n\t\t\t// Clean up resources and configure Texture.\n\n\t\t\tif ( isObjectURL === true ) {\n\n\t\t\t\tURL.revokeObjectURL( sourceURI );\n\n\t\t\t}\n\n\t\t\tassignExtrasToUserData( texture, sourceDef );\n\n\t\t\ttexture.userData.mimeType = sourceDef.mimeType || getImageURIMimeType( sourceDef.uri );\n\n\t\t\treturn texture;\n\n\t\t} ).catch( function ( error ) {\n\n\t\t\tconsole.error( 'THREE.GLTFLoader: Couldn\\'t load texture', sourceURI );\n\t\t\tthrow error;\n\n\t\t} );\n\n\t\tthis.sourceCache[ sourceIndex ] = promise;\n\t\treturn promise;\n\n\t}\n\n\t/**\n\t * Asynchronously assigns a texture to the given material parameters.\n\t *\n\t * @private\n\t * @param {Object} materialParams\n\t * @param {string} mapName\n\t * @param {Object} mapDef\n\t * @param {string} [colorSpace]\n\t * @return {Promise}\n\t */\n\tassignTexture( materialParams, mapName, mapDef, colorSpace ) {\n\n\t\tconst parser = this;\n\n\t\treturn this.getDependency( 'texture', mapDef.index ).then( function ( texture ) {\n\n\t\t\tif ( ! texture ) return null;\n\n\t\t\tif ( mapDef.texCoord !== undefined && mapDef.texCoord > 0 ) {\n\n\t\t\t\ttexture = texture.clone();\n\t\t\t\ttexture.channel = mapDef.texCoord;\n\n\t\t\t}\n\n\t\t\tif ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) {\n\n\t\t\t\tconst transform = mapDef.extensions !== undefined ? mapDef.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] : undefined;\n\n\t\t\t\tif ( transform ) {\n\n\t\t\t\t\tconst gltfReference = parser.associations.get( texture );\n\t\t\t\t\ttexture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, transform );\n\t\t\t\t\tparser.associations.set( texture, gltfReference );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( colorSpace !== undefined ) {\n\n\t\t\t\ttexture.colorSpace = colorSpace;\n\n\t\t\t}\n\n\t\t\tmaterialParams[ mapName ] = texture;\n\n\t\t\treturn texture;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Assigns final material to a Mesh, Line, or Points instance. The instance\n\t * already has a material (generated from the glTF material options alone)\n\t * but reuse of the same glTF material may require multiple threejs materials\n\t * to accommodate different primitive types, defines, etc. New materials will\n\t * be created if necessary, and reused from a cache.\n\t *\n\t * @private\n\t * @param {Object3D} mesh Mesh, Line, or Points instance.\n\t */\n\tassignFinalMaterial( mesh ) {\n\n\t\tconst geometry = mesh.geometry;\n\t\tlet material = mesh.material;\n\n\t\tconst useDerivativeTangents = geometry.attributes.tangent === undefined;\n\t\tconst useVertexColors = geometry.attributes.color !== undefined;\n\t\tconst useFlatShading = geometry.attributes.normal === undefined;\n\n\t\tif ( mesh.isPoints ) {\n\n\t\t\tconst cacheKey = 'PointsMaterial:' + material.uuid;\n\n\t\t\tlet pointsMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! pointsMaterial ) {\n\n\t\t\t\tpointsMaterial = new PointsMaterial();\n\t\t\t\tMaterial.prototype.copy.call( pointsMaterial, material );\n\t\t\t\tpointsMaterial.color.copy( material.color );\n\t\t\t\tpointsMaterial.map = material.map;\n\t\t\t\tpointsMaterial.sizeAttenuation = false; // glTF spec says points should be 1px\n\n\t\t\t\tthis.cache.add( cacheKey, pointsMaterial );\n\n\t\t\t}\n\n\t\t\tmaterial = pointsMaterial;\n\n\t\t} else if ( mesh.isLine ) {\n\n\t\t\tconst cacheKey = 'LineBasicMaterial:' + material.uuid;\n\n\t\t\tlet lineMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! lineMaterial ) {\n\n\t\t\t\tlineMaterial = new LineBasicMaterial();\n\t\t\t\tMaterial.prototype.copy.call( lineMaterial, material );\n\t\t\t\tlineMaterial.color.copy( material.color );\n\t\t\t\tlineMaterial.map = material.map;\n\n\t\t\t\tthis.cache.add( cacheKey, lineMaterial );\n\n\t\t\t}\n\n\t\t\tmaterial = lineMaterial;\n\n\t\t}\n\n\t\t// Clone the material if it will be modified\n\t\tif ( useDerivativeTangents || useVertexColors || useFlatShading ) {\n\n\t\t\tlet cacheKey = 'ClonedMaterial:' + material.uuid + ':';\n\n\t\t\tif ( useDerivativeTangents ) cacheKey += 'derivative-tangents:';\n\t\t\tif ( useVertexColors ) cacheKey += 'vertex-colors:';\n\t\t\tif ( useFlatShading ) cacheKey += 'flat-shading:';\n\n\t\t\tlet cachedMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! cachedMaterial ) {\n\n\t\t\t\tcachedMaterial = material.clone();\n\n\t\t\t\tif ( useVertexColors ) cachedMaterial.vertexColors = true;\n\t\t\t\tif ( useFlatShading ) cachedMaterial.flatShading = true;\n\n\t\t\t\tif ( useDerivativeTangents ) {\n\n\t\t\t\t\t// https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995\n\t\t\t\t\tif ( cachedMaterial.normalScale ) cachedMaterial.normalScale.y *= - 1;\n\t\t\t\t\tif ( cachedMaterial.clearcoatNormalScale ) cachedMaterial.clearcoatNormalScale.y *= - 1;\n\n\t\t\t\t}\n\n\t\t\t\tthis.cache.add( cacheKey, cachedMaterial );\n\n\t\t\t\tthis.associations.set( cachedMaterial, this.associations.get( material ) );\n\n\t\t\t}\n\n\t\t\tmaterial = cachedMaterial;\n\n\t\t}\n\n\t\tmesh.material = material;\n\n\t}\n\n\tgetMaterialType( /* materialIndex */ ) {\n\n\t\treturn MeshStandardMaterial;\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials\n\t *\n\t * @private\n\t * @param {number} materialIndex\n\t * @return {Promise}\n\t */\n\tloadMaterial( materialIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\t\tconst materialDef = json.materials[ materialIndex ];\n\n\t\tlet materialType;\n\t\tconst materialParams = {};\n\t\tconst materialExtensions = materialDef.extensions || {};\n\n\t\tconst pending = [];\n\n\t\tif ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) {\n\n\t\t\tconst kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ];\n\t\t\tmaterialType = kmuExtension.getMaterialType();\n\t\t\tpending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) );\n\n\t\t} else {\n\n\t\t\t// Specification:\n\t\t\t// https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material\n\n\t\t\tconst metallicRoughness = materialDef.pbrMetallicRoughness || {};\n\n\t\t\tmaterialParams.color = new Color( 1.0, 1.0, 1.0 );\n\t\t\tmaterialParams.opacity = 1.0;\n\n\t\t\tif ( Array.isArray( metallicRoughness.baseColorFactor ) ) {\n\n\t\t\t\tconst array = metallicRoughness.baseColorFactor;\n\n\t\t\t\tmaterialParams.color.setRGB( array[ 0 ], array[ 1 ], array[ 2 ], LinearSRGBColorSpace );\n\t\t\t\tmaterialParams.opacity = array[ 3 ];\n\n\t\t\t}\n\n\t\t\tif ( metallicRoughness.baseColorTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, SRGBColorSpace ) );\n\n\t\t\t}\n\n\t\t\tmaterialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;\n\t\t\tmaterialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;\n\n\t\t\tif ( metallicRoughness.metallicRoughnessTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture ) );\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture ) );\n\n\t\t\t}\n\n\t\t\tmaterialType = this._invokeOne( function ( ext ) {\n\n\t\t\t\treturn ext.getMaterialType && ext.getMaterialType( materialIndex );\n\n\t\t\t} );\n\n\t\t\tpending.push( Promise.all( this._invokeAll( function ( ext ) {\n\n\t\t\t\treturn ext.extendMaterialParams && ext.extendMaterialParams( materialIndex, materialParams );\n\n\t\t\t} ) ) );\n\n\t\t}\n\n\t\tif ( materialDef.doubleSided === true ) {\n\n\t\t\tmaterialParams.side = DoubleSide;\n\n\t\t}\n\n\t\tconst alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;\n\n\t\tif ( alphaMode === ALPHA_MODES.BLEND ) {\n\n\t\t\tmaterialParams.transparent = true;\n\n\t\t\t// See: https://github.com/mrdoob/three.js/issues/17706\n\t\t\tmaterialParams.depthWrite = false;\n\n\t\t} else {\n\n\t\t\tmaterialParams.transparent = false;\n\n\t\t\tif ( alphaMode === ALPHA_MODES.MASK ) {\n\n\t\t\t\tmaterialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.normalTexture !== undefined && materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture ) );\n\n\t\t\tmaterialParams.normalScale = new Vector2( 1, 1 );\n\n\t\t\tif ( materialDef.normalTexture.scale !== undefined ) {\n\n\t\t\t\tconst scale = materialDef.normalTexture.scale;\n\n\t\t\t\tmaterialParams.normalScale.set( scale, scale );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.occlusionTexture !== undefined && materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture ) );\n\n\t\t\tif ( materialDef.occlusionTexture.strength !== undefined ) {\n\n\t\t\t\tmaterialParams.aoMapIntensity = materialDef.occlusionTexture.strength;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.emissiveFactor !== undefined && materialType !== MeshBasicMaterial ) {\n\n\t\t\tconst emissiveFactor = materialDef.emissiveFactor;\n\t\t\tmaterialParams.emissive = new Color().setRGB( emissiveFactor[ 0 ], emissiveFactor[ 1 ], emissiveFactor[ 2 ], LinearSRGBColorSpace );\n\n\t\t}\n\n\t\tif ( materialDef.emissiveTexture !== undefined && materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture, SRGBColorSpace ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending ).then( function () {\n\n\t\t\tconst material = new materialType( materialParams );\n\n\t\t\tif ( materialDef.name ) material.name = materialDef.name;\n\n\t\t\tassignExtrasToUserData( material, materialDef );\n\n\t\t\tparser.associations.set( material, { materials: materialIndex } );\n\n\t\t\tif ( materialDef.extensions ) addUnknownExtensionsToUserData( extensions, material, materialDef );\n\n\t\t\treturn material;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * When Object3D instances are targeted by animation, they need unique names.\n\t *\n\t * @private\n\t * @param {string} originalName\n\t * @return {string}\n\t */\n\tcreateUniqueName( originalName ) {\n\n\t\tconst sanitizedName = PropertyBinding.sanitizeNodeName( originalName || '' );\n\n\t\tif ( sanitizedName in this.nodeNamesUsed ) {\n\n\t\t\treturn sanitizedName + '_' + ( ++ this.nodeNamesUsed[ sanitizedName ] );\n\n\t\t} else {\n\n\t\t\tthis.nodeNamesUsed[ sanitizedName ] = 0;\n\n\t\t\treturn sanitizedName;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry\n\t *\n\t * Creates BufferGeometries from primitives.\n\t *\n\t * @private\n\t * @param {Array} primitives\n\t * @return {Promise>}\n\t */\n\tloadGeometries( primitives ) {\n\n\t\tconst parser = this;\n\t\tconst extensions = this.extensions;\n\t\tconst cache = this.primitiveCache;\n\n\t\tfunction createDracoPrimitive( primitive ) {\n\n\t\t\treturn extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ]\n\t\t\t\t.decodePrimitive( primitive, parser )\n\t\t\t\t.then( function ( geometry ) {\n\n\t\t\t\t\treturn addPrimitiveAttributes( geometry, primitive, parser );\n\n\t\t\t\t} );\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = primitives.length; i < il; i ++ ) {\n\n\t\t\tconst primitive = primitives[ i ];\n\t\t\tconst cacheKey = createPrimitiveKey( primitive );\n\n\t\t\t// See if we've already created this geometry\n\t\t\tconst cached = cache[ cacheKey ];\n\n\t\t\tif ( cached ) {\n\n\t\t\t\t// Use the cached geometry if it exists\n\t\t\t\tpending.push( cached.promise );\n\n\t\t\t} else {\n\n\t\t\t\tlet geometryPromise;\n\n\t\t\t\tif ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) {\n\n\t\t\t\t\t// Use DRACO geometry if available\n\t\t\t\t\tgeometryPromise = createDracoPrimitive( primitive );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Otherwise create a new geometry\n\t\t\t\t\tgeometryPromise = addPrimitiveAttributes( new BufferGeometry(), primitive, parser );\n\n\t\t\t\t}\n\n\t\t\t\t// Cache this geometry\n\t\t\t\tcache[ cacheKey ] = { primitive: primitive, promise: geometryPromise };\n\n\t\t\t\tpending.push( geometryPromise );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes\n\t *\n\t * @private\n\t * @param {number} meshIndex\n\t * @return {Promise}\n\t */\n\tloadMesh( meshIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\n\t\tconst meshDef = json.meshes[ meshIndex ];\n\t\tconst primitives = meshDef.primitives;\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = primitives.length; i < il; i ++ ) {\n\n\t\t\tconst material = primitives[ i ].material === undefined\n\t\t\t\t? createDefaultMaterial( this.cache )\n\t\t\t\t: this.getDependency( 'material', primitives[ i ].material );\n\n\t\t\tpending.push( material );\n\n\t\t}\n\n\t\tpending.push( parser.loadGeometries( primitives ) );\n\n\t\treturn Promise.all( pending ).then( function ( results ) {\n\n\t\t\tconst materials = results.slice( 0, results.length - 1 );\n\t\t\tconst geometries = results[ results.length - 1 ];\n\n\t\t\tconst meshes = [];\n\n\t\t\tfor ( let i = 0, il = geometries.length; i < il; i ++ ) {\n\n\t\t\t\tconst geometry = geometries[ i ];\n\t\t\t\tconst primitive = primitives[ i ];\n\n\t\t\t\t// 1. create Mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tconst material = materials[ i ];\n\n\t\t\t\tif ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES ||\n\t\t\t\t\t\tprimitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ||\n\t\t\t\t\t\tprimitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ||\n\t\t\t\t\t\tprimitive.mode === undefined ) {\n\n\t\t\t\t\t// .isSkinnedMesh isn't in glTF spec. See ._markDefs()\n\t\t\t\t\tmesh = meshDef.isSkinnedMesh === true\n\t\t\t\t\t\t? new SkinnedMesh( geometry, material )\n\t\t\t\t\t\t: new Mesh( geometry, material );\n\n\t\t\t\t\tif ( mesh.isSkinnedMesh === true ) {\n\n\t\t\t\t\t\t// normalize skin weights to fix malformed assets (see #15319)\n\t\t\t\t\t\tmesh.normalizeSkinWeights();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) {\n\n\t\t\t\t\t\tmesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleStripDrawMode );\n\n\t\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) {\n\n\t\t\t\t\t\tmesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleFanDrawMode );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {\n\n\t\t\t\t\tmesh = new LineSegments( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) {\n\n\t\t\t\t\tmesh = new Line( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) {\n\n\t\t\t\t\tmesh = new LineLoop( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) {\n\n\t\t\t\t\tmesh = new Points( geometry, material );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode );\n\n\t\t\t\t}\n\n\t\t\t\tif ( Object.keys( mesh.geometry.morphAttributes ).length > 0 ) {\n\n\t\t\t\t\tupdateMorphTargets( mesh, meshDef );\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = parser.createUniqueName( meshDef.name || ( 'mesh_' + meshIndex ) );\n\n\t\t\t\tassignExtrasToUserData( mesh, meshDef );\n\n\t\t\t\tif ( primitive.extensions ) addUnknownExtensionsToUserData( extensions, mesh, primitive );\n\n\t\t\t\tparser.assignFinalMaterial( mesh );\n\n\t\t\t\tmeshes.push( mesh );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, il = meshes.length; i < il; i ++ ) {\n\n\t\t\t\tparser.associations.set( meshes[ i ], {\n\t\t\t\t\tmeshes: meshIndex,\n\t\t\t\t\tprimitives: i\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( meshes.length === 1 ) {\n\n\t\t\t\tif ( meshDef.extensions ) addUnknownExtensionsToUserData( extensions, meshes[ 0 ], meshDef );\n\n\t\t\t\treturn meshes[ 0 ];\n\n\t\t\t}\n\n\t\t\tconst group = new Group();\n\n\t\t\tif ( meshDef.extensions ) addUnknownExtensionsToUserData( extensions, group, meshDef );\n\n\t\t\tparser.associations.set( group, { meshes: meshIndex } );\n\n\t\t\tfor ( let i = 0, il = meshes.length; i < il; i ++ ) {\n\n\t\t\t\tgroup.add( meshes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras\n\t *\n\t * @private\n\t * @param {number} cameraIndex\n\t * @return {Promise|undefined}\n\t */\n\tloadCamera( cameraIndex ) {\n\n\t\tlet camera;\n\t\tconst cameraDef = this.json.cameras[ cameraIndex ];\n\t\tconst params = cameraDef[ cameraDef.type ];\n\n\t\tif ( ! params ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Missing camera parameters.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( cameraDef.type === 'perspective' ) {\n\n\t\t\tcamera = new PerspectiveCamera( MathUtils.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 );\n\n\t\t} else if ( cameraDef.type === 'orthographic' ) {\n\n\t\t\tcamera = new OrthographicCamera( - params.xmag, params.xmag, params.ymag, - params.ymag, params.znear, params.zfar );\n\n\t\t}\n\n\t\tif ( cameraDef.name ) camera.name = this.createUniqueName( cameraDef.name );\n\n\t\tassignExtrasToUserData( camera, cameraDef );\n\n\t\treturn Promise.resolve( camera );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins\n\t *\n\t * @private\n\t * @param {number} skinIndex\n\t * @return {Promise}\n\t */\n\tloadSkin( skinIndex ) {\n\n\t\tconst skinDef = this.json.skins[ skinIndex ];\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = skinDef.joints.length; i < il; i ++ ) {\n\n\t\t\tpending.push( this._loadNodeShallow( skinDef.joints[ i ] ) );\n\n\t\t}\n\n\t\tif ( skinDef.inverseBindMatrices !== undefined ) {\n\n\t\t\tpending.push( this.getDependency( 'accessor', skinDef.inverseBindMatrices ) );\n\n\t\t} else {\n\n\t\t\tpending.push( null );\n\n\t\t}\n\n\t\treturn Promise.all( pending ).then( function ( results ) {\n\n\t\t\tconst inverseBindMatrices = results.pop();\n\t\t\tconst jointNodes = results;\n\n\t\t\t// Note that bones (joint nodes) may or may not be in the\n\t\t\t// scene graph at this time.\n\n\t\t\tconst bones = [];\n\t\t\tconst boneInverses = [];\n\n\t\t\tfor ( let i = 0, il = jointNodes.length; i < il; i ++ ) {\n\n\t\t\t\tconst jointNode = jointNodes[ i ];\n\n\t\t\t\tif ( jointNode ) {\n\n\t\t\t\t\tbones.push( jointNode );\n\n\t\t\t\t\tconst mat = new Matrix4();\n\n\t\t\t\t\tif ( inverseBindMatrices !== null ) {\n\n\t\t\t\t\t\tmat.fromArray( inverseBindMatrices.array, i * 16 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tboneInverses.push( mat );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Joint \"%s\" could not be found.', skinDef.joints[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new Skeleton( bones, boneInverses );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations\n\t *\n\t * @private\n\t * @param {number} animationIndex\n\t * @return {Promise}\n\t */\n\tloadAnimation( animationIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst parser = this;\n\n\t\tconst animationDef = json.animations[ animationIndex ];\n\t\tconst animationName = animationDef.name ? animationDef.name : 'animation_' + animationIndex;\n\n\t\tconst pendingNodes = [];\n\t\tconst pendingInputAccessors = [];\n\t\tconst pendingOutputAccessors = [];\n\t\tconst pendingSamplers = [];\n\t\tconst pendingTargets = [];\n\n\t\tfor ( let i = 0, il = animationDef.channels.length; i < il; i ++ ) {\n\n\t\t\tconst channel = animationDef.channels[ i ];\n\t\t\tconst sampler = animationDef.samplers[ channel.sampler ];\n\t\t\tconst target = channel.target;\n\t\t\tconst name = target.node;\n\t\t\tconst input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input;\n\t\t\tconst output = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.output ] : sampler.output;\n\n\t\t\tif ( target.node === undefined ) continue;\n\n\t\t\tpendingNodes.push( this.getDependency( 'node', name ) );\n\t\t\tpendingInputAccessors.push( this.getDependency( 'accessor', input ) );\n\t\t\tpendingOutputAccessors.push( this.getDependency( 'accessor', output ) );\n\t\t\tpendingSamplers.push( sampler );\n\t\t\tpendingTargets.push( target );\n\n\t\t}\n\n\t\treturn Promise.all( [\n\n\t\t\tPromise.all( pendingNodes ),\n\t\t\tPromise.all( pendingInputAccessors ),\n\t\t\tPromise.all( pendingOutputAccessors ),\n\t\t\tPromise.all( pendingSamplers ),\n\t\t\tPromise.all( pendingTargets )\n\n\t\t] ).then( function ( dependencies ) {\n\n\t\t\tconst nodes = dependencies[ 0 ];\n\t\t\tconst inputAccessors = dependencies[ 1 ];\n\t\t\tconst outputAccessors = dependencies[ 2 ];\n\t\t\tconst samplers = dependencies[ 3 ];\n\t\t\tconst targets = dependencies[ 4 ];\n\n\t\t\tconst tracks = [];\n\n\t\t\tfor ( let i = 0, il = nodes.length; i < il; i ++ ) {\n\n\t\t\t\tconst node = nodes[ i ];\n\t\t\t\tconst inputAccessor = inputAccessors[ i ];\n\t\t\t\tconst outputAccessor = outputAccessors[ i ];\n\t\t\t\tconst sampler = samplers[ i ];\n\t\t\t\tconst target = targets[ i ];\n\n\t\t\t\tif ( node === undefined ) continue;\n\n\t\t\t\tif ( node.updateMatrix ) {\n\n\t\t\t\t\tnode.updateMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tconst createdTracks = parser._createAnimationTracks( node, inputAccessor, outputAccessor, sampler, target );\n\n\t\t\t\tif ( createdTracks ) {\n\n\t\t\t\t\tfor ( let k = 0; k < createdTracks.length; k ++ ) {\n\n\t\t\t\t\t\ttracks.push( createdTracks[ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst animation = new AnimationClip( animationName, undefined, tracks );\n\n\t\t\tassignExtrasToUserData( animation, animationDef );\n\n\t\t\treturn animation;\n\n\t\t} );\n\n\t}\n\n\tcreateNodeMesh( nodeIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst parser = this;\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\tif ( nodeDef.mesh === undefined ) return null;\n\n\t\treturn parser.getDependency( 'mesh', nodeDef.mesh ).then( function ( mesh ) {\n\n\t\t\tconst node = parser._getNodeRef( parser.meshCache, nodeDef.mesh, mesh );\n\n\t\t\t// if weights are provided on the node, override weights on the mesh.\n\t\t\tif ( nodeDef.weights !== undefined ) {\n\n\t\t\t\tnode.traverse( function ( o ) {\n\n\t\t\t\t\tif ( ! o.isMesh ) return;\n\n\t\t\t\t\tfor ( let i = 0, il = nodeDef.weights.length; i < il; i ++ ) {\n\n\t\t\t\t\t\to.morphTargetInfluences[ i ] = nodeDef.weights[ i ];\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy\n\t *\n\t * @private\n\t * @param {number} nodeIndex\n\t * @return {Promise}\n\t */\n\tloadNode( nodeIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst parser = this;\n\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\tconst nodePending = parser._loadNodeShallow( nodeIndex );\n\n\t\tconst childPending = [];\n\t\tconst childrenDef = nodeDef.children || [];\n\n\t\tfor ( let i = 0, il = childrenDef.length; i < il; i ++ ) {\n\n\t\t\tchildPending.push( parser.getDependency( 'node', childrenDef[ i ] ) );\n\n\t\t}\n\n\t\tconst skeletonPending = nodeDef.skin === undefined\n\t\t\t? Promise.resolve( null )\n\t\t\t: parser.getDependency( 'skin', nodeDef.skin );\n\n\t\treturn Promise.all( [\n\t\t\tnodePending,\n\t\t\tPromise.all( childPending ),\n\t\t\tskeletonPending\n\t\t] ).then( function ( results ) {\n\n\t\t\tconst node = results[ 0 ];\n\t\t\tconst children = results[ 1 ];\n\t\t\tconst skeleton = results[ 2 ];\n\n\t\t\tif ( skeleton !== null ) {\n\n\t\t\t\t// This full traverse should be fine because\n\t\t\t\t// child glTF nodes have not been added to this node yet.\n\t\t\t\tnode.traverse( function ( mesh ) {\n\n\t\t\t\t\tif ( ! mesh.isSkinnedMesh ) return;\n\n\t\t\t\t\tmesh.bind( skeleton, _identityMatrix );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, il = children.length; i < il; i ++ ) {\n\n\t\t\t\tnode.add( children[ i ] );\n\n\t\t\t}\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t}\n\n\t// ._loadNodeShallow() parses a single node.\n\t// skin and child nodes are created and added in .loadNode() (no '_' prefix).\n\t_loadNodeShallow( nodeIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\t\tconst parser = this;\n\n\t\t// This method is called from .loadNode() and .loadSkin().\n\t\t// Cache a node to avoid duplication.\n\n\t\tif ( this.nodeCache[ nodeIndex ] !== undefined ) {\n\n\t\t\treturn this.nodeCache[ nodeIndex ];\n\n\t\t}\n\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\t// reserve node's name before its dependencies, so the root has the intended name.\n\t\tconst nodeName = nodeDef.name ? parser.createUniqueName( nodeDef.name ) : '';\n\n\t\tconst pending = [];\n\n\t\tconst meshPromise = parser._invokeOne( function ( ext ) {\n\n\t\t\treturn ext.createNodeMesh && ext.createNodeMesh( nodeIndex );\n\n\t\t} );\n\n\t\tif ( meshPromise ) {\n\n\t\t\tpending.push( meshPromise );\n\n\t\t}\n\n\t\tif ( nodeDef.camera !== undefined ) {\n\n\t\t\tpending.push( parser.getDependency( 'camera', nodeDef.camera ).then( function ( camera ) {\n\n\t\t\t\treturn parser._getNodeRef( parser.cameraCache, nodeDef.camera, camera );\n\n\t\t\t} ) );\n\n\t\t}\n\n\t\tparser._invokeAll( function ( ext ) {\n\n\t\t\treturn ext.createNodeAttachment && ext.createNodeAttachment( nodeIndex );\n\n\t\t} ).forEach( function ( promise ) {\n\n\t\t\tpending.push( promise );\n\n\t\t} );\n\n\t\tthis.nodeCache[ nodeIndex ] = Promise.all( pending ).then( function ( objects ) {\n\n\t\t\tlet node;\n\n\t\t\t// .isBone isn't in glTF spec. See ._markDefs\n\t\t\tif ( nodeDef.isBone === true ) {\n\n\t\t\t\tnode = new Bone();\n\n\t\t\t} else if ( objects.length > 1 ) {\n\n\t\t\t\tnode = new Group();\n\n\t\t\t} else if ( objects.length === 1 ) {\n\n\t\t\t\tnode = objects[ 0 ];\n\n\t\t\t} else {\n\n\t\t\t\tnode = new Object3D();\n\n\t\t\t}\n\n\t\t\tif ( node !== objects[ 0 ] ) {\n\n\t\t\t\tfor ( let i = 0, il = objects.length; i < il; i ++ ) {\n\n\t\t\t\t\tnode.add( objects[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( nodeDef.name ) {\n\n\t\t\t\tnode.userData.name = nodeDef.name;\n\t\t\t\tnode.name = nodeName;\n\n\t\t\t}\n\n\t\t\tassignExtrasToUserData( node, nodeDef );\n\n\t\t\tif ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef );\n\n\t\t\tif ( nodeDef.matrix !== undefined ) {\n\n\t\t\t\tconst matrix = new Matrix4();\n\t\t\t\tmatrix.fromArray( nodeDef.matrix );\n\t\t\t\tnode.applyMatrix4( matrix );\n\n\t\t\t} else {\n\n\t\t\t\tif ( nodeDef.translation !== undefined ) {\n\n\t\t\t\t\tnode.position.fromArray( nodeDef.translation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( nodeDef.rotation !== undefined ) {\n\n\t\t\t\t\tnode.quaternion.fromArray( nodeDef.rotation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( nodeDef.scale !== undefined ) {\n\n\t\t\t\t\tnode.scale.fromArray( nodeDef.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ! parser.associations.has( node ) ) {\n\n\t\t\t\tparser.associations.set( node, {} );\n\n\t\t\t} else if ( nodeDef.mesh !== undefined && parser.meshCache.refs[ nodeDef.mesh ] > 1 ) {\n\n\t\t\t\tconst mapping = parser.associations.get( node );\n\t\t\t\tparser.associations.set( node, { ...mapping } );\n\n\t\t\t}\n\n\t\t\tparser.associations.get( node ).nodes = nodeIndex;\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t\treturn this.nodeCache[ nodeIndex ];\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes\n\t *\n\t * @private\n\t * @param {number} sceneIndex\n\t * @return {Promise}\n\t */\n\tloadScene( sceneIndex ) {\n\n\t\tconst extensions = this.extensions;\n\t\tconst sceneDef = this.json.scenes[ sceneIndex ];\n\t\tconst parser = this;\n\n\t\t// Loader returns Group, not Scene.\n\t\t// See: https://github.com/mrdoob/three.js/issues/18342#issuecomment-578981172\n\t\tconst scene = new Group();\n\t\tif ( sceneDef.name ) scene.name = parser.createUniqueName( sceneDef.name );\n\n\t\tassignExtrasToUserData( scene, sceneDef );\n\n\t\tif ( sceneDef.extensions ) addUnknownExtensionsToUserData( extensions, scene, sceneDef );\n\n\t\tconst nodeIds = sceneDef.nodes || [];\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = nodeIds.length; i < il; i ++ ) {\n\n\t\t\tpending.push( parser.getDependency( 'node', nodeIds[ i ] ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending ).then( function ( nodes ) {\n\n\t\t\tfor ( let i = 0, il = nodes.length; i < il; i ++ ) {\n\n\t\t\t\tscene.add( nodes[ i ] );\n\n\t\t\t}\n\n\t\t\t// Removes dangling associations, associations that reference a node that\n\t\t\t// didn't make it into the scene.\n\t\t\tconst reduceAssociations = ( node ) => {\n\n\t\t\t\tconst reducedAssociations = new Map();\n\n\t\t\t\tfor ( const [ key, value ] of parser.associations ) {\n\n\t\t\t\t\tif ( key instanceof Material || key instanceof Texture ) {\n\n\t\t\t\t\t\treducedAssociations.set( key, value );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tnode.traverse( ( node ) => {\n\n\t\t\t\t\tconst mappings = parser.associations.get( node );\n\n\t\t\t\t\tif ( mappings != null ) {\n\n\t\t\t\t\t\treducedAssociations.set( node, mappings );\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn reducedAssociations;\n\n\t\t\t};\n\n\t\t\tparser.associations = reduceAssociations( scene );\n\n\t\t\treturn scene;\n\n\t\t} );\n\n\t}\n\n\t_createAnimationTracks( node, inputAccessor, outputAccessor, sampler, target ) {\n\n\t\tconst tracks = [];\n\n\t\tconst targetName = node.name ? node.name : node.uuid;\n\t\tconst targetNames = [];\n\n\t\tif ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) {\n\n\t\t\tnode.traverse( function ( object ) {\n\n\t\t\t\tif ( object.morphTargetInfluences ) {\n\n\t\t\t\t\ttargetNames.push( object.name ? object.name : object.uuid );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t} else {\n\n\t\t\ttargetNames.push( targetName );\n\n\t\t}\n\n\t\tlet TypedKeyframeTrack;\n\n\t\tswitch ( PATH_PROPERTIES[ target.path ] ) {\n\n\t\t\tcase PATH_PROPERTIES.weights:\n\n\t\t\t\tTypedKeyframeTrack = NumberKeyframeTrack;\n\t\t\t\tbreak;\n\n\t\t\tcase PATH_PROPERTIES.rotation:\n\n\t\t\t\tTypedKeyframeTrack = QuaternionKeyframeTrack;\n\t\t\t\tbreak;\n\n\t\t\tcase PATH_PROPERTIES.translation:\n\t\t\tcase PATH_PROPERTIES.scale:\n\n\t\t\t\tTypedKeyframeTrack = VectorKeyframeTrack;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tswitch ( outputAccessor.itemSize ) {\n\n\t\t\t\t\tcase 1:\n\t\t\t\t\t\tTypedKeyframeTrack = NumberKeyframeTrack;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 2:\n\t\t\t\t\tcase 3:\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tTypedKeyframeTrack = VectorKeyframeTrack;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tconst interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : InterpolateLinear;\n\n\n\t\tconst outputArray = this._getArrayFromAccessor( outputAccessor );\n\n\t\tfor ( let j = 0, jl = targetNames.length; j < jl; j ++ ) {\n\n\t\t\tconst track = new TypedKeyframeTrack(\n\t\t\t\ttargetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ],\n\t\t\t\tinputAccessor.array,\n\t\t\t\toutputArray,\n\t\t\t\tinterpolation\n\t\t\t);\n\n\t\t\t// Override interpolation with custom factory method.\n\t\t\tif ( sampler.interpolation === 'CUBICSPLINE' ) {\n\n\t\t\t\tthis._createCubicSplineTrackInterpolant( track );\n\n\t\t\t}\n\n\t\t\ttracks.push( track );\n\n\t\t}\n\n\t\treturn tracks;\n\n\t}\n\n\t_getArrayFromAccessor( accessor ) {\n\n\t\tlet outputArray = accessor.array;\n\n\t\tif ( accessor.normalized ) {\n\n\t\t\tconst scale = getNormalizedComponentScale( outputArray.constructor );\n\t\t\tconst scaled = new Float32Array( outputArray.length );\n\n\t\t\tfor ( let j = 0, jl = outputArray.length; j < jl; j ++ ) {\n\n\t\t\t\tscaled[ j ] = outputArray[ j ] * scale;\n\n\t\t\t}\n\n\t\t\toutputArray = scaled;\n\n\t\t}\n\n\t\treturn outputArray;\n\n\t}\n\n\t_createCubicSplineTrackInterpolant( track ) {\n\n\t\ttrack.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) {\n\n\t\t\t// A CUBICSPLINE keyframe in glTF has three output values for each input value,\n\t\t\t// representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize()\n\t\t\t// must be divided by three to get the interpolant's sampleSize argument.\n\n\t\t\tconst interpolantType = ( this instanceof QuaternionKeyframeTrack ) ? 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This isn't quite correct - it's more conservative\n\t\t\t\t\t// to assume that each target can have a max weight of 1. However, for some use cases - notably, when morph targets\n\t\t\t\t\t// are used to implement key-frame animations and as such only two are active at a time - this results in very large\n\t\t\t\t\t// boxes. 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+ "names": ["self", "res", "sourceURI", "node", "accessor"] +} diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_MTLLoader__js.js b/node_modules/.vite/deps/three_examples_jsm_loaders_MTLLoader__js.js new file mode 100644 index 0000000..6633436 --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_MTLLoader__js.js @@ -0,0 +1,319 @@ +import { + Color, + ColorManagement, + DefaultLoadingManager, + FileLoader, + FrontSide, + Loader, + LoaderUtils, + MeshPhongMaterial, + RepeatWrapping, + SRGBColorSpace, + TextureLoader, + Vector2 +} from "./chunk-4JECOO4M.js"; + +// node_modules/three/examples/jsm/loaders/MTLLoader.js +var MTLLoader = class extends Loader { + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and passes the loaded MTL asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(MaterialCreator)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const path = this.path === "" ? LoaderUtils.extractUrlBase(url) : this.path; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(text, path)); + } catch (e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + /** + * Sets the material options. + * + * @param {MTLLoader~MaterialOptions} value - The material options. + * @return {MTLLoader} A reference to this loader. + */ + setMaterialOptions(value) { + this.materialOptions = value; + return this; + } + /** + * Parses the given MTL data and returns the resulting material creator. + * + * @param {string} text - The raw MTL data as a string. + * @param {string} path - The URL base path. + * @return {MaterialCreator} The material creator. + */ + parse(text, path) { + const lines = text.split("\n"); + let info = {}; + const delimiter_pattern = /\s+/; + const materialsInfo = {}; + for (let i = 0; i < lines.length; i++) { + let line = lines[i]; + line = line.trim(); + if (line.length === 0 || line.charAt(0) === "#") { + continue; + } + const pos = line.indexOf(" "); + let key = pos >= 0 ? line.substring(0, pos) : line; + key = key.toLowerCase(); + let value = pos >= 0 ? line.substring(pos + 1) : ""; + value = value.trim(); + if (key === "newmtl") { + info = { name: value }; + materialsInfo[value] = info; + } else { + if (key === "ka" || key === "kd" || key === "ks" || key === "ke") { + const ss = value.split(delimiter_pattern, 3); + info[key] = [parseFloat(ss[0]), parseFloat(ss[1]), parseFloat(ss[2])]; + } else { + info[key] = value; + } + } + } + const materialCreator = new MaterialCreator(this.resourcePath || path, this.materialOptions); + materialCreator.setCrossOrigin(this.crossOrigin); + materialCreator.setManager(this.manager); + materialCreator.setMaterials(materialsInfo); + return materialCreator; + } +}; +var MaterialCreator = class { + constructor(baseUrl = "", options = {}) { + this.baseUrl = baseUrl; + this.options = options; + this.materialsInfo = {}; + this.materials = {}; + this.materialsArray = []; + this.nameLookup = {}; + this.crossOrigin = "anonymous"; + this.side = this.options.side !== void 0 ? this.options.side : FrontSide; + this.wrap = this.options.wrap !== void 0 ? this.options.wrap : RepeatWrapping; + } + setCrossOrigin(value) { + this.crossOrigin = value; + return this; + } + setManager(value) { + this.manager = value; + } + setMaterials(materialsInfo) { + this.materialsInfo = this.convert(materialsInfo); + this.materials = {}; + this.materialsArray = []; + this.nameLookup = {}; + } + convert(materialsInfo) { + if (!this.options) return materialsInfo; + const converted = {}; + for (const mn in materialsInfo) { + const mat = materialsInfo[mn]; + const covmat = {}; + converted[mn] = covmat; + for (const prop in mat) { + let save = true; + let value = mat[prop]; + const lprop = prop.toLowerCase(); + switch (lprop) { + case "kd": + case "ka": + case "ks": + if (this.options && this.options.normalizeRGB) { + value = [value[0] / 255, value[1] / 255, value[2] / 255]; + } + if (this.options && this.options.ignoreZeroRGBs) { + if (value[0] === 0 && value[1] === 0 && value[2] === 0) { + save = false; + } + } + break; + default: + break; + } + if (save) { + covmat[lprop] = value; + } + } + } + return converted; + } + preload() { + for (const mn in this.materialsInfo) { + this.create(mn); + } + } + getIndex(materialName) { + return this.nameLookup[materialName]; + } + getAsArray() { + let index = 0; + for (const mn in this.materialsInfo) { + this.materialsArray[index] = this.create(mn); + this.nameLookup[mn] = index; + index++; + } + return this.materialsArray; + } + create(materialName) { + if (this.materials[materialName] === void 0) { + this.createMaterial_(materialName); + } + return this.materials[materialName]; + } + createMaterial_(materialName) { + const scope = this; + const mat = this.materialsInfo[materialName]; + const params = { + name: materialName, + side: this.side + }; + function resolveURL(baseUrl, url) { + if (typeof url !== "string" || url === "") + return ""; + if (/^https?:\/\//i.test(url)) return url; + return baseUrl + url; + } + function setMapForType(mapType, value) { + if (params[mapType]) return; + const texParams = scope.getTextureParams(value, params); + const map = scope.loadTexture(resolveURL(scope.baseUrl, texParams.url)); + map.repeat.copy(texParams.scale); + map.offset.copy(texParams.offset); + map.wrapS = scope.wrap; + map.wrapT = scope.wrap; + if (mapType === "map" || mapType === "emissiveMap") { + map.colorSpace = SRGBColorSpace; + } + params[mapType] = map; + } + for (const prop in mat) { + const value = mat[prop]; + let n; + if (value === "") continue; + switch (prop.toLowerCase()) { + // Ns is material specular exponent + case "kd": + params.color = ColorManagement.colorSpaceToWorking(new Color().fromArray(value), SRGBColorSpace); + break; + case "ks": + params.specular = ColorManagement.colorSpaceToWorking(new Color().fromArray(value), SRGBColorSpace); + break; + case "ke": + params.emissive = ColorManagement.colorSpaceToWorking(new Color().fromArray(value), SRGBColorSpace); + break; + case "map_kd": + setMapForType("map", value); + break; + case "map_ks": + setMapForType("specularMap", value); + break; + case "map_ke": + setMapForType("emissiveMap", value); + break; + case "norm": + setMapForType("normalMap", value); + break; + case "map_bump": + case "bump": + setMapForType("bumpMap", value); + break; + case "disp": + setMapForType("displacementMap", value); + break; + case "map_d": + setMapForType("alphaMap", value); + params.transparent = true; + break; + case "ns": + params.shininess = parseFloat(value); + break; + case "d": + n = parseFloat(value); + if (n < 1) { + params.opacity = n; + params.transparent = true; + } + break; + case "tr": + n = parseFloat(value); + if (this.options && this.options.invertTrProperty) n = 1 - n; + if (n > 0) { + params.opacity = 1 - n; + params.transparent = true; + } + break; + default: + break; + } + } + this.materials[materialName] = new MeshPhongMaterial(params); + return this.materials[materialName]; + } + getTextureParams(value, matParams) { + const texParams = { + scale: new Vector2(1, 1), + offset: new Vector2(0, 0) + }; + const items = value.split(/\s+/); + let pos; + pos = items.indexOf("-bm"); + if (pos >= 0) { + matParams.bumpScale = parseFloat(items[pos + 1]); + items.splice(pos, 2); + } + pos = items.indexOf("-mm"); + if (pos >= 0) { + matParams.displacementBias = parseFloat(items[pos + 1]); + matParams.displacementScale = parseFloat(items[pos + 2]); + items.splice(pos, 3); + } + pos = items.indexOf("-s"); + if (pos >= 0) { + texParams.scale.set(parseFloat(items[pos + 1]), parseFloat(items[pos + 2])); + items.splice(pos, 4); + } + pos = items.indexOf("-o"); + if (pos >= 0) { + texParams.offset.set(parseFloat(items[pos + 1]), parseFloat(items[pos + 2])); + items.splice(pos, 4); + } + texParams.url = items.join(" ").trim(); + return texParams; + } + loadTexture(url, mapping, onLoad, onProgress, onError) { + const manager = this.manager !== void 0 ? this.manager : DefaultLoadingManager; + let loader = manager.getHandler(url); + if (loader === null) { + loader = new TextureLoader(manager); + } + if (loader.setCrossOrigin) loader.setCrossOrigin(this.crossOrigin); + const texture = loader.load(url, onLoad, onProgress, onError); + if (mapping !== void 0) texture.mapping = mapping; + return texture; + } +}; +export { + MTLLoader +}; +//# sourceMappingURL=three_examples_jsm_loaders_MTLLoader__js.js.map diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_MTLLoader__js.js.map b/node_modules/.vite/deps/three_examples_jsm_loaders_MTLLoader__js.js.map new file mode 100644 index 0000000..9141b04 --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_MTLLoader__js.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["../../three/examples/jsm/loaders/MTLLoader.js"], + "sourcesContent": ["import {\n\tColor,\n\tColorManagement,\n\tDefaultLoadingManager,\n\tFileLoader,\n\tFrontSide,\n\tLoader,\n\tLoaderUtils,\n\tMeshPhongMaterial,\n\tRepeatWrapping,\n\tTextureLoader,\n\tVector2,\n\tSRGBColorSpace\n} from 'three';\n\n/**\n * A loader for the MTL format.\n *\n * The Material Template Library format (MTL) or .MTL File Format is a companion file format\n * to OBJ that describes surface shading (material) properties of objects within one or more\n * OBJ files.\n *\n * ```js\n * const loader = new MTLLoader();\n * const materials = await loader.loadAsync( 'models/obj/male02/male02.mtl' );\n *\n * const objLoader = new OBJLoader();\n * objLoader.setMaterials( materials );\n * ```\n *\n * @augments Loader\n * @three_import import { MTLLoader } from 'three/addons/loaders/MTLLoader.js';\n */\nclass MTLLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded MTL asset\n\t * to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(MaterialCreator)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text, path ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\t/**\n\t * Sets the material options.\n\t *\n\t * @param {MTLLoader~MaterialOptions} value - The material options.\n\t * @return {MTLLoader} A reference to this loader.\n\t */\n\tsetMaterialOptions( value ) {\n\n\t\tthis.materialOptions = value;\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Parses the given MTL data and returns the resulting material creator.\n\t *\n\t * @param {string} text - The raw MTL data as a string.\n\t * @param {string} path - The URL base path.\n\t * @return {MaterialCreator} The material creator.\n\t */\n\tparse( text, path ) {\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet info = {};\n\t\tconst delimiter_pattern = /\\s+/;\n\t\tconst materialsInfo = {};\n\n\t\tfor ( let i = 0; i < lines.length; i ++ ) {\n\n\t\t\tlet line = lines[ i ];\n\t\t\tline = line.trim();\n\n\t\t\tif ( line.length === 0 || line.charAt( 0 ) === '#' ) {\n\n\t\t\t\t// Blank line or comment ignore\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst pos = line.indexOf( ' ' );\n\n\t\t\tlet key = ( pos >= 0 ) ? line.substring( 0, pos ) : line;\n\t\t\tkey = key.toLowerCase();\n\n\t\t\tlet value = ( pos >= 0 ) ? line.substring( pos + 1 ) : '';\n\t\t\tvalue = value.trim();\n\n\t\t\tif ( key === 'newmtl' ) {\n\n\t\t\t\t// New material\n\n\t\t\t\tinfo = { name: value };\n\t\t\t\tmaterialsInfo[ value ] = info;\n\n\t\t\t} else {\n\n\t\t\t\tif ( key === 'ka' || key === 'kd' || key === 'ks' || key === 'ke' ) {\n\n\t\t\t\t\tconst ss = value.split( delimiter_pattern, 3 );\n\t\t\t\t\tinfo[ key ] = [ parseFloat( ss[ 0 ] ), parseFloat( ss[ 1 ] ), parseFloat( ss[ 2 ] ) ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tinfo[ key ] = value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst materialCreator = new MaterialCreator( this.resourcePath || path, this.materialOptions );\n\t\tmaterialCreator.setCrossOrigin( this.crossOrigin );\n\t\tmaterialCreator.setManager( this.manager );\n\t\tmaterialCreator.setMaterials( materialsInfo );\n\t\treturn materialCreator;\n\n\t}\n\n}\n\n/**\n * Material options of `MTLLoader`.\n *\n * @typedef {Object} MTLLoader~MaterialOptions\n * @property {(FrontSide|BackSide|DoubleSide)} [side=FrontSide] - Which side to apply the material.\n * @property {(RepeatWrapping|ClampToEdgeWrapping|MirroredRepeatWrapping)} [wrap=RepeatWrapping] - What type of wrapping to apply for textures.\n * @property {boolean} [normalizeRGB=false] - Whether RGB colors should be normalized to `0-1` from `0-255`.\n * @property {boolean} [ignoreZeroRGBs=false] - Ignore values of RGBs (Ka,Kd,Ks) that are all 0's.\n */\n\nclass MaterialCreator {\n\n\tconstructor( baseUrl = '', options = {} ) {\n\n\t\tthis.baseUrl = baseUrl;\n\t\tthis.options = options;\n\t\tthis.materialsInfo = {};\n\t\tthis.materials = {};\n\t\tthis.materialsArray = [];\n\t\tthis.nameLookup = {};\n\n\t\tthis.crossOrigin = 'anonymous';\n\n\t\tthis.side = ( this.options.side !== undefined ) ? this.options.side : FrontSide;\n\t\tthis.wrap = ( this.options.wrap !== undefined ) ? this.options.wrap : RepeatWrapping;\n\n\t}\n\n\tsetCrossOrigin( value ) {\n\n\t\tthis.crossOrigin = value;\n\t\treturn this;\n\n\t}\n\n\tsetManager( value ) {\n\n\t\tthis.manager = value;\n\n\t}\n\n\tsetMaterials( materialsInfo ) {\n\n\t\tthis.materialsInfo = this.convert( materialsInfo );\n\t\tthis.materials = {};\n\t\tthis.materialsArray = [];\n\t\tthis.nameLookup = {};\n\n\t}\n\n\tconvert( materialsInfo ) {\n\n\t\tif ( ! this.options ) return materialsInfo;\n\n\t\tconst converted = {};\n\n\t\tfor ( const mn in materialsInfo ) {\n\n\t\t\t// Convert materials info into normalized form based on options\n\n\t\t\tconst mat = materialsInfo[ mn ];\n\n\t\t\tconst covmat = {};\n\n\t\t\tconverted[ mn ] = covmat;\n\n\t\t\tfor ( const prop in mat ) {\n\n\t\t\t\tlet save = true;\n\t\t\t\tlet value = mat[ prop ];\n\t\t\t\tconst lprop = prop.toLowerCase();\n\n\t\t\t\tswitch ( lprop ) {\n\n\t\t\t\t\tcase 'kd':\n\t\t\t\t\tcase 'ka':\n\t\t\t\t\tcase 'ks':\n\n\t\t\t\t\t\t// Diffuse color (color under white light) using RGB values\n\n\t\t\t\t\t\tif ( this.options && this.options.normalizeRGB ) {\n\n\t\t\t\t\t\t\tvalue = [ value[ 0 ] / 255, value[ 1 ] / 255, value[ 2 ] / 255 ];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( this.options && this.options.ignoreZeroRGBs ) {\n\n\t\t\t\t\t\t\tif ( value[ 0 ] === 0 && value[ 1 ] === 0 && value[ 2 ] === 0 ) {\n\n\t\t\t\t\t\t\t\t// ignore\n\n\t\t\t\t\t\t\t\tsave = false;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tif ( save ) {\n\n\t\t\t\t\tcovmat[ lprop ] = value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn converted;\n\n\t}\n\n\tpreload() {\n\n\t\tfor ( const mn in this.materialsInfo ) {\n\n\t\t\tthis.create( mn );\n\n\t\t}\n\n\t}\n\n\tgetIndex( materialName ) {\n\n\t\treturn this.nameLookup[ materialName ];\n\n\t}\n\n\tgetAsArray() {\n\n\t\tlet index = 0;\n\n\t\tfor ( const mn in this.materialsInfo ) {\n\n\t\t\tthis.materialsArray[ index ] = this.create( mn );\n\t\t\tthis.nameLookup[ mn ] = index;\n\t\t\tindex ++;\n\n\t\t}\n\n\t\treturn this.materialsArray;\n\n\t}\n\n\tcreate( materialName ) {\n\n\t\tif ( this.materials[ materialName ] === undefined ) {\n\n\t\t\tthis.createMaterial_( materialName );\n\n\t\t}\n\n\t\treturn this.materials[ materialName ];\n\n\t}\n\n\tcreateMaterial_( materialName ) {\n\n\t\t// Create material\n\n\t\tconst scope = this;\n\t\tconst mat = this.materialsInfo[ materialName ];\n\t\tconst params = {\n\n\t\t\tname: materialName,\n\t\t\tside: this.side\n\n\t\t};\n\n\t\tfunction resolveURL( baseUrl, url ) {\n\n\t\t\tif ( typeof url !== 'string' || url === '' )\n\t\t\t\treturn '';\n\n\t\t\t// Absolute URL\n\t\t\tif ( /^https?:\\/\\//i.test( url ) ) return url;\n\n\t\t\treturn baseUrl + url;\n\n\t\t}\n\n\t\tfunction setMapForType( mapType, value ) {\n\n\t\t\tif ( params[ mapType ] ) return; // Keep the first encountered texture\n\n\t\t\tconst texParams = scope.getTextureParams( value, params );\n\t\t\tconst map = scope.loadTexture( resolveURL( scope.baseUrl, texParams.url ) );\n\n\t\t\tmap.repeat.copy( texParams.scale );\n\t\t\tmap.offset.copy( texParams.offset );\n\n\t\t\tmap.wrapS = scope.wrap;\n\t\t\tmap.wrapT = scope.wrap;\n\n\t\t\tif ( mapType === 'map' || mapType === 'emissiveMap' ) {\n\n\t\t\t\tmap.colorSpace = SRGBColorSpace;\n\n\t\t\t}\n\n\t\t\tparams[ mapType ] = map;\n\n\t\t}\n\n\t\tfor ( const prop in mat ) {\n\n\t\t\tconst value = mat[ prop ];\n\t\t\tlet n;\n\n\t\t\tif ( value === '' ) continue;\n\n\t\t\tswitch ( prop.toLowerCase() ) {\n\n\t\t\t\t// Ns is material specular exponent\n\n\t\t\t\tcase 'kd':\n\n\t\t\t\t\t// Diffuse color (color under white light) using RGB values\n\n\t\t\t\t\tparams.color = ColorManagement.colorSpaceToWorking( new Color().fromArray( value ), SRGBColorSpace );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'ks':\n\n\t\t\t\t\t// Specular color (color when light is reflected from shiny surface) using RGB values\n\t\t\t\t\tparams.specular = ColorManagement.colorSpaceToWorking( new Color().fromArray( value ), SRGBColorSpace );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'ke':\n\n\t\t\t\t\t// Emissive using RGB values\n\t\t\t\t\tparams.emissive = ColorManagement.colorSpaceToWorking( new Color().fromArray( value ), SRGBColorSpace );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map_kd':\n\n\t\t\t\t\t// Diffuse texture map\n\n\t\t\t\t\tsetMapForType( 'map', value );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map_ks':\n\n\t\t\t\t\t// Specular map\n\n\t\t\t\t\tsetMapForType( 'specularMap', value );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map_ke':\n\n\t\t\t\t\t// Emissive map\n\n\t\t\t\t\tsetMapForType( 'emissiveMap', value );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'norm':\n\n\t\t\t\t\tsetMapForType( 'normalMap', value );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map_bump':\n\t\t\t\tcase 'bump':\n\n\t\t\t\t\t// Bump texture map\n\n\t\t\t\t\tsetMapForType( 'bumpMap', value );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'disp':\n\n\t\t\t\t\t// Displacement texture map\n\n\t\t\t\t\tsetMapForType( 'displacementMap', value );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map_d':\n\n\t\t\t\t\t// Alpha map\n\n\t\t\t\t\tsetMapForType( 'alphaMap', value );\n\t\t\t\t\tparams.transparent = true;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'ns':\n\n\t\t\t\t\t// The specular exponent (defines the focus of the specular highlight)\n\t\t\t\t\t// A high exponent results in a tight, concentrated highlight. Ns values normally range from 0 to 1000.\n\n\t\t\t\t\tparams.shininess = parseFloat( value );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'd':\n\t\t\t\t\tn = parseFloat( value );\n\n\t\t\t\t\tif ( n < 1 ) {\n\n\t\t\t\t\t\tparams.opacity = n;\n\t\t\t\t\t\tparams.transparent = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'tr':\n\t\t\t\t\tn = parseFloat( value );\n\n\t\t\t\t\tif ( this.options && this.options.invertTrProperty ) n = 1 - n;\n\n\t\t\t\t\tif ( n > 0 ) {\n\n\t\t\t\t\t\tparams.opacity = 1 - n;\n\t\t\t\t\t\tparams.transparent = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.materials[ materialName ] = new MeshPhongMaterial( params );\n\t\treturn this.materials[ materialName ];\n\n\t}\n\n\tgetTextureParams( value, matParams ) {\n\n\t\tconst texParams = {\n\n\t\t\tscale: new Vector2( 1, 1 ),\n\t\t\toffset: new Vector2( 0, 0 )\n\n\t\t };\n\n\t\tconst items = value.split( /\\s+/ );\n\t\tlet pos;\n\n\t\tpos = items.indexOf( '-bm' );\n\n\t\tif ( pos >= 0 ) {\n\n\t\t\tmatParams.bumpScale = parseFloat( items[ pos + 1 ] );\n\t\t\titems.splice( pos, 2 );\n\n\t\t}\n\n\t\tpos = items.indexOf( '-mm' );\n\n\t\tif ( pos >= 0 ) {\n\n\t\t\tmatParams.displacementBias = parseFloat( items[ pos + 1 ] );\n\t\t\tmatParams.displacementScale = parseFloat( items[ pos + 2 ] );\n\t\t\titems.splice( pos, 3 );\n\n\t\t}\n\n\t\tpos = items.indexOf( '-s' );\n\n\t\tif ( pos >= 0 ) {\n\n\t\t\ttexParams.scale.set( parseFloat( items[ pos + 1 ] ), parseFloat( items[ pos + 2 ] ) );\n\t\t\titems.splice( pos, 4 ); // we expect 3 parameters here!\n\n\t\t}\n\n\t\tpos = items.indexOf( '-o' );\n\n\t\tif ( pos >= 0 ) {\n\n\t\t\ttexParams.offset.set( parseFloat( items[ pos + 1 ] ), parseFloat( items[ pos + 2 ] ) );\n\t\t\titems.splice( pos, 4 ); // we expect 3 parameters here!\n\n\t\t}\n\n\t\ttexParams.url = items.join( ' ' ).trim();\n\t\treturn texParams;\n\n\t}\n\n\tloadTexture( url, mapping, onLoad, onProgress, onError ) {\n\n\t\tconst manager = ( this.manager !== undefined ) ? this.manager : DefaultLoadingManager;\n\t\tlet loader = manager.getHandler( url );\n\n\t\tif ( loader === null ) {\n\n\t\t\tloader = new TextureLoader( manager );\n\n\t\t}\n\n\t\tif ( loader.setCrossOrigin ) loader.setCrossOrigin( this.crossOrigin );\n\n\t\tconst texture = loader.load( url, onLoad, onProgress, onError );\n\n\t\tif ( mapping !== undefined ) texture.mapping = mapping;\n\n\t\treturn texture;\n\n\t}\n\n}\n\nexport { MTLLoader };\n"], + "mappings": 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+ "names": [] +} diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_OBJLoader__js.js b/node_modules/.vite/deps/three_examples_jsm_loaders_OBJLoader__js.js new file mode 100644 index 0000000..953b44c --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_OBJLoader__js.js @@ -0,0 +1,539 @@ +import { + BufferGeometry, + Color, + FileLoader, + Float32BufferAttribute, + Group, + LineBasicMaterial, + LineSegments, + Loader, + Material, + Mesh, + MeshPhongMaterial, + Points, + PointsMaterial, + SRGBColorSpace, + Vector3 +} from "./chunk-4JECOO4M.js"; + +// node_modules/three/examples/jsm/loaders/OBJLoader.js +var _object_pattern = /^[og]\s*(.+)?/; +var _material_library_pattern = /^mtllib /; +var _material_use_pattern = /^usemtl /; +var _map_use_pattern = /^usemap /; +var _face_vertex_data_separator_pattern = /\s+/; +var _vA = new Vector3(); +var _vB = new Vector3(); +var _vC = new Vector3(); +var _ab = new Vector3(); +var _cb = new Vector3(); +var _color = new Color(); +function ParserState() { + const state = { + objects: [], + object: {}, + vertices: [], + normals: [], + colors: [], + uvs: [], + materials: {}, + materialLibraries: [], + startObject: function(name, fromDeclaration) { + if (this.object && this.object.fromDeclaration === false) { + this.object.name = name; + this.object.fromDeclaration = fromDeclaration !== false; + return; + } + const previousMaterial = this.object && typeof this.object.currentMaterial === "function" ? this.object.currentMaterial() : void 0; + if (this.object && typeof this.object._finalize === "function") { + this.object._finalize(true); + } + this.object = { + name: name || "", + fromDeclaration: fromDeclaration !== false, + geometry: { + vertices: [], + normals: [], + colors: [], + uvs: [], + hasUVIndices: false + }, + materials: [], + smooth: true, + startMaterial: function(name2, libraries) { + const previous = this._finalize(false); + if (previous && (previous.inherited || previous.groupCount <= 0)) { + this.materials.splice(previous.index, 1); + } + const material = { + index: this.materials.length, + name: name2 || "", + mtllib: Array.isArray(libraries) && libraries.length > 0 ? libraries[libraries.length - 1] : "", + smooth: previous !== void 0 ? previous.smooth : this.smooth, + groupStart: previous !== void 0 ? previous.groupEnd : 0, + groupEnd: -1, + groupCount: -1, + inherited: false, + clone: function(index) { + const cloned = { + index: typeof index === "number" ? index : this.index, + name: this.name, + mtllib: this.mtllib, + smooth: this.smooth, + groupStart: 0, + groupEnd: -1, + groupCount: -1, + inherited: false + }; + cloned.clone = this.clone.bind(cloned); + return cloned; + } + }; + this.materials.push(material); + return material; + }, + currentMaterial: function() { + if (this.materials.length > 0) { + return this.materials[this.materials.length - 1]; + } + return void 0; + }, + _finalize: function(end) { + const lastMultiMaterial = this.currentMaterial(); + if (lastMultiMaterial && lastMultiMaterial.groupEnd === -1) { + lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3; + lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart; + lastMultiMaterial.inherited = false; + } + if (end && this.materials.length > 1) { + for (let mi = this.materials.length - 1; mi >= 0; mi--) { + if (this.materials[mi].groupCount <= 0) { + this.materials.splice(mi, 1); + } + } + } + if (end && this.materials.length === 0) { + this.materials.push({ + name: "", + smooth: this.smooth + }); + } + return lastMultiMaterial; + } + }; + if (previousMaterial && previousMaterial.name && typeof previousMaterial.clone === "function") { + const declared = previousMaterial.clone(0); + declared.inherited = true; + this.object.materials.push(declared); + } + this.objects.push(this.object); + }, + finalize: function() { + if (this.object && typeof this.object._finalize === "function") { + this.object._finalize(true); + } + }, + parseVertexIndex: function(value, len) { + const index = parseInt(value, 10); + return (index >= 0 ? index - 1 : index + len / 3) * 3; + }, + parseNormalIndex: function(value, len) { + const index = parseInt(value, 10); + return (index >= 0 ? index - 1 : index + len / 3) * 3; + }, + parseUVIndex: function(value, len) { + const index = parseInt(value, 10); + return (index >= 0 ? index - 1 : index + len / 2) * 2; + }, + addVertex: function(a, b, c) { + const src = this.vertices; + const dst = this.object.geometry.vertices; + dst.push(src[a + 0], src[a + 1], src[a + 2]); + dst.push(src[b + 0], src[b + 1], src[b + 2]); + dst.push(src[c + 0], src[c + 1], src[c + 2]); + }, + addVertexPoint: function(a) { + const src = this.vertices; + const dst = this.object.geometry.vertices; + dst.push(src[a + 0], src[a + 1], src[a + 2]); + }, + addVertexLine: function(a) { + const src = this.vertices; + const dst = this.object.geometry.vertices; + dst.push(src[a + 0], src[a + 1], src[a + 2]); + }, + addNormal: function(a, b, c) { + const src = this.normals; + const dst = this.object.geometry.normals; + dst.push(src[a + 0], src[a + 1], src[a + 2]); + dst.push(src[b + 0], src[b + 1], src[b + 2]); + dst.push(src[c + 0], src[c + 1], src[c + 2]); + }, + addFaceNormal: function(a, b, c) { + const src = this.vertices; + const dst = this.object.geometry.normals; + _vA.fromArray(src, a); + _vB.fromArray(src, b); + _vC.fromArray(src, c); + _cb.subVectors(_vC, _vB); + _ab.subVectors(_vA, _vB); + _cb.cross(_ab); + _cb.normalize(); + dst.push(_cb.x, _cb.y, _cb.z); + dst.push(_cb.x, _cb.y, _cb.z); + dst.push(_cb.x, _cb.y, _cb.z); + }, + addColor: function(a, b, c) { + const src = this.colors; + const dst = this.object.geometry.colors; + if (src[a] !== void 0) dst.push(src[a + 0], src[a + 1], src[a + 2]); + if (src[b] !== void 0) dst.push(src[b + 0], src[b + 1], src[b + 2]); + if (src[c] !== void 0) dst.push(src[c + 0], src[c + 1], src[c + 2]); + }, + addUV: function(a, b, c) { + const src = this.uvs; + const dst = this.object.geometry.uvs; + dst.push(src[a + 0], src[a + 1]); + dst.push(src[b + 0], src[b + 1]); + dst.push(src[c + 0], src[c + 1]); + }, + addDefaultUV: function() { + const dst = this.object.geometry.uvs; + dst.push(0, 0); + dst.push(0, 0); + dst.push(0, 0); + }, + addUVLine: function(a) { + const src = this.uvs; + const dst = this.object.geometry.uvs; + dst.push(src[a + 0], src[a + 1]); + }, + addFace: function(a, b, c, ua, ub, uc, na, nb, nc) { + const vLen = this.vertices.length; + let ia = this.parseVertexIndex(a, vLen); + let ib = this.parseVertexIndex(b, vLen); + let ic = this.parseVertexIndex(c, vLen); + this.addVertex(ia, ib, ic); + this.addColor(ia, ib, ic); + if (na !== void 0 && na !== "") { + const nLen = this.normals.length; + ia = this.parseNormalIndex(na, nLen); + ib = this.parseNormalIndex(nb, nLen); + ic = this.parseNormalIndex(nc, nLen); + this.addNormal(ia, ib, ic); + } else { + this.addFaceNormal(ia, ib, ic); + } + if (ua !== void 0 && ua !== "") { + const uvLen = this.uvs.length; + ia = this.parseUVIndex(ua, uvLen); + ib = this.parseUVIndex(ub, uvLen); + ic = this.parseUVIndex(uc, uvLen); + this.addUV(ia, ib, ic); + this.object.geometry.hasUVIndices = true; + } else { + this.addDefaultUV(); + } + }, + addPointGeometry: function(vertices) { + this.object.geometry.type = "Points"; + const vLen = this.vertices.length; + for (let vi = 0, l = vertices.length; vi < l; vi++) { + const index = this.parseVertexIndex(vertices[vi], vLen); + this.addVertexPoint(index); + this.addColor(index); + } + }, + addLineGeometry: function(vertices, uvs) { + this.object.geometry.type = "Line"; + const vLen = this.vertices.length; + const uvLen = this.uvs.length; + for (let vi = 0, l = vertices.length; vi < l; vi++) { + this.addVertexLine(this.parseVertexIndex(vertices[vi], vLen)); + } + for (let uvi = 0, l = uvs.length; uvi < l; uvi++) { + this.addUVLine(this.parseUVIndex(uvs[uvi], uvLen)); + } + } + }; + state.startObject("", false); + return state; +} +var OBJLoader = class extends Loader { + /** + * Constructs a new OBJ loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + this.materials = null; + } + /** + * Starts loading from the given URL and passes the loaded OBJ asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Group)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(text)); + } catch (e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + /** + * Sets the material creator for this OBJ. This object is loaded via {@link MTLLoader}. + * + * @param {MaterialCreator} materials - An object that creates the materials for this OBJ. + * @return {OBJLoader} A reference to this loader. + */ + setMaterials(materials) { + this.materials = materials; + return this; + } + /** + * Parses the given OBJ data and returns the resulting group. + * + * @param {string} text - The raw OBJ data as a string. + * @return {Group} The parsed OBJ. + */ + parse(text) { + const state = new ParserState(); + if (text.indexOf("\r\n") !== -1) { + text = text.replace(/\r\n/g, "\n"); + } + if (text.indexOf("\\\n") !== -1) { + text = text.replace(/\\\n/g, ""); + } + const lines = text.split("\n"); + let result = []; + for (let i = 0, l = lines.length; i < l; i++) { + const line = lines[i].trimStart(); + if (line.length === 0) continue; + const lineFirstChar = line.charAt(0); + if (lineFirstChar === "#") continue; + if (lineFirstChar === "v") { + const data = line.split(_face_vertex_data_separator_pattern); + switch (data[0]) { + case "v": + state.vertices.push( + parseFloat(data[1]), + parseFloat(data[2]), + parseFloat(data[3]) + ); + if (data.length >= 7) { + _color.setRGB( + parseFloat(data[4]), + parseFloat(data[5]), + parseFloat(data[6]), + SRGBColorSpace + ); + state.colors.push(_color.r, _color.g, _color.b); + } else { + state.colors.push(void 0, void 0, void 0); + } + break; + case "vn": + state.normals.push( + parseFloat(data[1]), + parseFloat(data[2]), + parseFloat(data[3]) + ); + break; + case "vt": + state.uvs.push( + parseFloat(data[1]), + parseFloat(data[2]) + ); + break; + } + } else if (lineFirstChar === "f") { + const lineData = line.slice(1).trim(); + const vertexData = lineData.split(_face_vertex_data_separator_pattern); + const faceVertices = []; + for (let j = 0, jl = vertexData.length; j < jl; j++) { + const vertex = vertexData[j]; + if (vertex.length > 0) { + const vertexParts = vertex.split("/"); + faceVertices.push(vertexParts); + } + } + const v1 = faceVertices[0]; + for (let j = 1, jl = faceVertices.length - 1; j < jl; j++) { + const v2 = faceVertices[j]; + const v3 = faceVertices[j + 1]; + state.addFace( + v1[0], + v2[0], + v3[0], + v1[1], + v2[1], + v3[1], + v1[2], + v2[2], + v3[2] + ); + } + } else if (lineFirstChar === "l") { + const lineParts = line.substring(1).trim().split(" "); + let lineVertices = []; + const lineUVs = []; + if (line.indexOf("/") === -1) { + lineVertices = lineParts; + } else { + for (let li = 0, llen = lineParts.length; li < llen; li++) { + const parts = lineParts[li].split("/"); + if (parts[0] !== "") lineVertices.push(parts[0]); + if (parts[1] !== "") lineUVs.push(parts[1]); + } + } + state.addLineGeometry(lineVertices, lineUVs); + } else if (lineFirstChar === "p") { + const lineData = line.slice(1).trim(); + const pointData = lineData.split(" "); + state.addPointGeometry(pointData); + } else if ((result = _object_pattern.exec(line)) !== null) { + const name = (" " + result[0].slice(1).trim()).slice(1); + state.startObject(name); + } else if (_material_use_pattern.test(line)) { + state.object.startMaterial(line.substring(7).trim(), state.materialLibraries); + } else if (_material_library_pattern.test(line)) { + state.materialLibraries.push(line.substring(7).trim()); + } else if (_map_use_pattern.test(line)) { + console.warn('THREE.OBJLoader: Rendering identifier "usemap" not supported. Textures must be defined in MTL files.'); + } else if (lineFirstChar === "s") { + result = line.split(" "); + if (result.length > 1) { + const value = result[1].trim().toLowerCase(); + state.object.smooth = value !== "0" && value !== "off"; + } else { + state.object.smooth = true; + } + const material = state.object.currentMaterial(); + if (material) material.smooth = state.object.smooth; + } else { + if (line === "\0") continue; + console.warn('THREE.OBJLoader: Unexpected line: "' + line + '"'); + } + } + state.finalize(); + const container = new Group(); + container.materialLibraries = [].concat(state.materialLibraries); + const hasPrimitives = !(state.objects.length === 1 && state.objects[0].geometry.vertices.length === 0); + if (hasPrimitives === true) { + for (let i = 0, l = state.objects.length; i < l; i++) { + const object = state.objects[i]; + const geometry = object.geometry; + const materials = object.materials; + const isLine = geometry.type === "Line"; + const isPoints = geometry.type === "Points"; + let hasVertexColors = false; + if (geometry.vertices.length === 0) continue; + const buffergeometry = new BufferGeometry(); + buffergeometry.setAttribute("position", new Float32BufferAttribute(geometry.vertices, 3)); + if (geometry.normals.length > 0) { + buffergeometry.setAttribute("normal", new Float32BufferAttribute(geometry.normals, 3)); + } + if (geometry.colors.length > 0) { + hasVertexColors = true; + buffergeometry.setAttribute("color", new Float32BufferAttribute(geometry.colors, 3)); + } + if (geometry.hasUVIndices === true) { + buffergeometry.setAttribute("uv", new Float32BufferAttribute(geometry.uvs, 2)); + } + const createdMaterials = []; + for (let mi = 0, miLen = materials.length; mi < miLen; mi++) { + const sourceMaterial = materials[mi]; + const materialHash = sourceMaterial.name + "_" + sourceMaterial.smooth + "_" + hasVertexColors; + let material = state.materials[materialHash]; + if (this.materials !== null) { + material = this.materials.create(sourceMaterial.name); + if (isLine && material && !(material instanceof LineBasicMaterial)) { + const materialLine = new LineBasicMaterial(); + Material.prototype.copy.call(materialLine, material); + materialLine.color.copy(material.color); + material = materialLine; + } else if (isPoints && material && !(material instanceof PointsMaterial)) { + const materialPoints = new PointsMaterial({ size: 10, sizeAttenuation: false }); + Material.prototype.copy.call(materialPoints, material); + materialPoints.color.copy(material.color); + materialPoints.map = material.map; + material = materialPoints; + } + } + if (material === void 0) { + if (isLine) { + material = new LineBasicMaterial(); + } else if (isPoints) { + material = new PointsMaterial({ size: 1, sizeAttenuation: false }); + } else { + material = new MeshPhongMaterial(); + } + material.name = sourceMaterial.name; + material.flatShading = sourceMaterial.smooth ? false : true; + material.vertexColors = hasVertexColors; + state.materials[materialHash] = material; + } + createdMaterials.push(material); + } + let mesh; + if (createdMaterials.length > 1) { + for (let mi = 0, miLen = materials.length; mi < miLen; mi++) { + const sourceMaterial = materials[mi]; + buffergeometry.addGroup(sourceMaterial.groupStart, sourceMaterial.groupCount, mi); + } + if (isLine) { + mesh = new LineSegments(buffergeometry, createdMaterials); + } else if (isPoints) { + mesh = new Points(buffergeometry, createdMaterials); + } else { + mesh = new Mesh(buffergeometry, createdMaterials); + } + } else { + if (isLine) { + mesh = new LineSegments(buffergeometry, createdMaterials[0]); + } else if (isPoints) { + mesh = new Points(buffergeometry, createdMaterials[0]); + } else { + mesh = new Mesh(buffergeometry, createdMaterials[0]); + } + } + mesh.name = object.name; + container.add(mesh); + } + } else { + if (state.vertices.length > 0) { + const material = new PointsMaterial({ size: 1, sizeAttenuation: false }); + const buffergeometry = new BufferGeometry(); + buffergeometry.setAttribute("position", new Float32BufferAttribute(state.vertices, 3)); + if (state.colors.length > 0 && state.colors[0] !== void 0) { + buffergeometry.setAttribute("color", new Float32BufferAttribute(state.colors, 3)); + material.vertexColors = true; + } + const points = new Points(buffergeometry, material); + container.add(points); + } + } + return container; + } +}; +export { + OBJLoader +}; +//# sourceMappingURL=three_examples_jsm_loaders_OBJLoader__js.js.map diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_OBJLoader__js.js.map b/node_modules/.vite/deps/three_examples_jsm_loaders_OBJLoader__js.js.map new file mode 100644 index 0000000..36f82a9 --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_OBJLoader__js.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["../../three/examples/jsm/loaders/OBJLoader.js"], + "sourcesContent": ["import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3,\n\tColor,\n\tSRGBColorSpace\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\nconst _face_vertex_data_separator_pattern = /\\s+/;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nconst _color = new Color();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n\n/**\n * A loader for the OBJ format.\n *\n * The [OBJ format](https://en.wikipedia.org/wiki/Wavefront_.obj_file) is a simple data-format that\n * represents 3D geometry in a human readable format as the position of each vertex, the UV position of\n * each texture coordinate vertex, vertex normals, and the faces that make each polygon defined as a list\n * of vertices, and texture vertices.\n *\n * ```js\n * const loader = new OBJLoader();\n * const object = await loader.loadAsync( 'models/monster.obj' );\n * scene.add( object );\n * ```\n *\n * @augments Loader\n * @three_import import { OBJLoader } from 'three/addons/loaders/OBJLoader.js';\n */\nclass OBJLoader extends Loader {\n\n\t/**\n\t * Constructs a new OBJ loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\t/**\n\t\t * A reference to a material creator.\n\t\t *\n\t\t * @type {?MaterialCreator}\n\t\t * @default null\n\t\t */\n\t\tthis.materials = null;\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded OBJ asset\n\t * to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(Group)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\t/**\n\t * Sets the material creator for this OBJ. This object is loaded via {@link MTLLoader}.\n\t *\n\t * @param {MaterialCreator} materials - An object that creates the materials for this OBJ.\n\t * @return {OBJLoader} A reference to this loader.\n\t */\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Parses the given OBJ data and returns the resulting group.\n\t *\n\t * @param {string} text - The raw OBJ data as a string.\n\t * @return {Group} The parsed OBJ.\n\t */\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet result = [];\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tconst line = lines[ i ].trimStart();\n\n\t\t\tif ( line.length === 0 ) continue;\n\n\t\t\tconst lineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue; // skip comments\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( _face_vertex_data_separator_pattern );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\t_color.setRGB(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] ),\n\t\t\t\t\t\t\t\tSRGBColorSpace\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tstate.colors.push( _color.r, _color.g, _color.b );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( _face_vertex_data_separator_pattern );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].slice( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n"], + "mappings": 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+ "names": ["name"] +} diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_STLLoader__js.js b/node_modules/.vite/deps/three_examples_jsm_loaders_STLLoader__js.js new file mode 100644 index 0000000..d465daf --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_STLLoader__js.js @@ -0,0 +1,222 @@ +import { + BufferAttribute, + BufferGeometry, + Color, + FileLoader, + Float32BufferAttribute, + Loader, + SRGBColorSpace, + Vector3 +} from "./chunk-4JECOO4M.js"; + +// node_modules/three/examples/jsm/loaders/STLLoader.js +var STLLoader = class extends Loader { + /** + * Constructs a new STL loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor(manager) { + super(manager); + } + /** + * Starts loading from the given URL and passes the loaded STL asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setResponseType("arraybuffer"); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(text)); + } catch (e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + /** + * Parses the given STL data and returns the resulting geometry. + * + * @param {ArrayBuffer} data - The raw STL data as an array buffer. + * @return {BufferGeometry} The parsed geometry. + */ + parse(data) { + function isBinary(data2) { + const reader = new DataView(data2); + const face_size = 32 / 8 * 3 + 32 / 8 * 3 * 3 + 16 / 8; + const n_faces = reader.getUint32(80, true); + const expect = 80 + 32 / 8 + n_faces * face_size; + if (expect === reader.byteLength) { + return true; + } + const solid = [115, 111, 108, 105, 100]; + for (let off = 0; off < 5; off++) { + if (matchDataViewAt(solid, reader, off)) return false; + } + return true; + } + function matchDataViewAt(query, reader, offset) { + for (let i = 0, il = query.length; i < il; i++) { + if (query[i] !== reader.getUint8(offset + i)) return false; + } + return true; + } + function parseBinary(data2) { + const reader = new DataView(data2); + const faces = reader.getUint32(80, true); + let r, g, b, hasColors = false, colors; + let defaultR, defaultG, defaultB, alpha; + for (let index = 0; index < 80 - 10; index++) { + if (reader.getUint32(index, false) == 1129270351 && reader.getUint8(index + 4) == 82 && reader.getUint8(index + 5) == 61) { + hasColors = true; + colors = new Float32Array(faces * 3 * 3); + defaultR = reader.getUint8(index + 6) / 255; + defaultG = reader.getUint8(index + 7) / 255; + defaultB = reader.getUint8(index + 8) / 255; + alpha = reader.getUint8(index + 9) / 255; + } + } + const dataOffset = 84; + const faceLength = 12 * 4 + 2; + const geometry = new BufferGeometry(); + const vertices = new Float32Array(faces * 3 * 3); + const normals = new Float32Array(faces * 3 * 3); + const color = new Color(); + for (let face = 0; face < faces; face++) { + const start = dataOffset + face * faceLength; + const normalX = reader.getFloat32(start, true); + const normalY = reader.getFloat32(start + 4, true); + const normalZ = reader.getFloat32(start + 8, true); + if (hasColors) { + const packedColor = reader.getUint16(start + 48, true); + if ((packedColor & 32768) === 0) { + r = (packedColor & 31) / 31; + g = (packedColor >> 5 & 31) / 31; + b = (packedColor >> 10 & 31) / 31; + } else { + r = defaultR; + g = defaultG; + b = defaultB; + } + } + for (let i = 1; i <= 3; i++) { + const vertexstart = start + i * 12; + const componentIdx = face * 3 * 3 + (i - 1) * 3; + vertices[componentIdx] = reader.getFloat32(vertexstart, true); + vertices[componentIdx + 1] = reader.getFloat32(vertexstart + 4, true); + vertices[componentIdx + 2] = reader.getFloat32(vertexstart + 8, true); + normals[componentIdx] = normalX; + normals[componentIdx + 1] = normalY; + normals[componentIdx + 2] = normalZ; + if (hasColors) { + color.setRGB(r, g, b, SRGBColorSpace); + colors[componentIdx] = color.r; + colors[componentIdx + 1] = color.g; + colors[componentIdx + 2] = color.b; + } + } + } + geometry.setAttribute("position", new BufferAttribute(vertices, 3)); + geometry.setAttribute("normal", new BufferAttribute(normals, 3)); + if (hasColors) { + geometry.setAttribute("color", new BufferAttribute(colors, 3)); + geometry.hasColors = true; + geometry.alpha = alpha; + } + return geometry; + } + function parseASCII(data2) { + const geometry = new BufferGeometry(); + const patternSolid = /solid([\s\S]*?)endsolid/g; + const patternFace = /facet([\s\S]*?)endfacet/g; + const patternName = /solid\s(.+)/; + let faceCounter = 0; + const patternFloat = /[\s]+([+-]?(?:\d*)(?:\.\d*)?(?:[eE][+-]?\d+)?)/.source; + const patternVertex = new RegExp("vertex" + patternFloat + patternFloat + patternFloat, "g"); + const patternNormal = new RegExp("normal" + patternFloat + patternFloat + patternFloat, "g"); + const vertices = []; + const normals = []; + const groupNames = []; + const normal = new Vector3(); + let result; + let groupCount = 0; + let startVertex = 0; + let endVertex = 0; + while ((result = patternSolid.exec(data2)) !== null) { + startVertex = endVertex; + const solid = result[0]; + const name = (result = patternName.exec(solid)) !== null ? result[1] : ""; + groupNames.push(name); + while ((result = patternFace.exec(solid)) !== null) { + let vertexCountPerFace = 0; + let normalCountPerFace = 0; + const text = result[0]; + while ((result = patternNormal.exec(text)) !== null) { + normal.x = parseFloat(result[1]); + normal.y = parseFloat(result[2]); + normal.z = parseFloat(result[3]); + normalCountPerFace++; + } + while ((result = patternVertex.exec(text)) !== null) { + vertices.push(parseFloat(result[1]), parseFloat(result[2]), parseFloat(result[3])); + normals.push(normal.x, normal.y, normal.z); + vertexCountPerFace++; + endVertex++; + } + if (normalCountPerFace !== 1) { + console.error("THREE.STLLoader: Something isn't right with the normal of face number " + faceCounter); + } + if (vertexCountPerFace !== 3) { + console.error("THREE.STLLoader: Something isn't right with the vertices of face number " + faceCounter); + } + faceCounter++; + } + const start = startVertex; + const count = endVertex - startVertex; + geometry.userData.groupNames = groupNames; + geometry.addGroup(start, count, groupCount); + groupCount++; + } + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + return geometry; + } + function ensureString(buffer) { + if (typeof buffer !== "string") { + return new TextDecoder().decode(buffer); + } + return buffer; + } + function ensureBinary(buffer) { + if (typeof buffer === "string") { + const array_buffer = new Uint8Array(buffer.length); + for (let i = 0; i < buffer.length; i++) { + array_buffer[i] = buffer.charCodeAt(i) & 255; + } + return array_buffer.buffer || array_buffer; + } else { + return buffer; + } + } + const binData = ensureBinary(data); + return isBinary(binData) ? parseBinary(binData) : parseASCII(ensureString(data)); + } +}; +export { + STLLoader +}; +//# sourceMappingURL=three_examples_jsm_loaders_STLLoader__js.js.map diff --git a/node_modules/.vite/deps/three_examples_jsm_loaders_STLLoader__js.js.map b/node_modules/.vite/deps/three_examples_jsm_loaders_STLLoader__js.js.map new file mode 100644 index 0000000..29fe0a6 --- /dev/null +++ b/node_modules/.vite/deps/three_examples_jsm_loaders_STLLoader__js.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["../../three/examples/jsm/loaders/STLLoader.js"], + "sourcesContent": ["import {\n\tBufferAttribute,\n\tBufferGeometry,\n\tColor,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tLoader,\n\tVector3,\n\tSRGBColorSpace\n} from 'three';\n\n/**\n * A loader for the STL format, as created by Solidworks and other CAD programs.\n *\n * Supports both binary and ASCII encoded files. The loader returns a non-indexed buffer geometry.\n *\n * Limitations:\n * - Binary decoding supports \"Magics\" color format (http://en.wikipedia.org/wiki/STL_(file_format)#Color_in_binary_STL).\n * - There is perhaps some question as to how valid it is to always assume little-endian-ness.\n * - ASCII decoding assumes file is UTF-8.\n *\n * ```js\n * const loader = new STLLoader();\n * const geometry = await loader.loadAsync( './models/stl/slotted_disk.stl' )\n * scene.add( new THREE.Mesh( geometry ) );\n * ```\n * For binary STLs geometry might contain colors for vertices. To use it:\n * ```js\n * // use the same code to load STL as above\n * if ( geometry.hasColors ) {\n * \tmaterial = new THREE.MeshPhongMaterial( { opacity: geometry.alpha, vertexColors: true } );\n * }\n * const mesh = new THREE.Mesh( geometry, material );\n * ```\n * For ASCII STLs containing multiple solids, each solid is assigned to a different group.\n * Groups can be used to assign a different color by defining an array of materials with the same length of\n * geometry.groups and passing it to the Mesh constructor:\n *\n * ```js\n * const materials = [];\n * const nGeometryGroups = geometry.groups.length;\n *\n * for ( let i = 0; i < nGeometryGroups; i ++ ) {\n * \tconst material = new THREE.MeshPhongMaterial( { color: colorMap[ i ], wireframe: false } );\n * \tmaterials.push( material );\n * }\n *\n * const mesh = new THREE.Mesh(geometry, materials);\n * ```\n *\n * @augments Loader\n * @three_import import { STLLoader } from 'three/addons/loaders/STLLoader.js';\n */\nclass STLLoader extends Loader {\n\n\t/**\n\t * Constructs a new STL loader.\n\t *\n\t * @param {LoadingManager} [manager] - The loading manager.\n\t */\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\t/**\n\t * Starts loading from the given URL and passes the loaded STL asset\n\t * to the `onLoad()` callback.\n\t *\n\t * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.\n\t * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished.\n\t * @param {onProgressCallback} onProgress - Executed while the loading is in progress.\n\t * @param {onErrorCallback} onError - Executed when errors occur.\n\t */\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\t/**\n\t * Parses the given STL data and returns the resulting geometry.\n\t *\n\t * @param {ArrayBuffer} data - The raw STL data as an array buffer.\n\t * @return {BufferGeometry} The parsed geometry.\n\t */\n\tparse( data ) {\n\n\t\tfunction isBinary( data ) {\n\n\t\t\tconst reader = new DataView( data );\n\t\t\tconst face_size = ( 32 / 8 * 3 ) + ( ( 32 / 8 * 3 ) * 3 ) + ( 16 / 8 );\n\t\t\tconst n_faces = reader.getUint32( 80, true );\n\t\t\tconst expect = 80 + ( 32 / 8 ) + ( n_faces * face_size );\n\n\t\t\tif ( expect === reader.byteLength ) {\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t\t// An ASCII STL data must begin with 'solid ' as the first six bytes.\n\t\t\t// However, ASCII STLs lacking the SPACE after the 'd' are known to be\n\t\t\t// plentiful. So, check the first 5 bytes for 'solid'.\n\n\t\t\t// Several encodings, such as UTF-8, precede the text with up to 5 bytes:\n\t\t\t// https://en.wikipedia.org/wiki/Byte_order_mark#Byte_order_marks_by_encoding\n\t\t\t// Search for \"solid\" to start anywhere after those prefixes.\n\n\t\t\t// US-ASCII ordinal values for 's', 'o', 'l', 'i', 'd'\n\n\t\t\tconst solid = [ 115, 111, 108, 105, 100 ];\n\n\t\t\tfor ( let off = 0; off < 5; off ++ ) {\n\n\t\t\t\t// If \"solid\" text is matched to the current offset, declare it to be an ASCII STL.\n\n\t\t\t\tif ( matchDataViewAt( solid, reader, off ) ) return false;\n\n\t\t\t}\n\n\t\t\t// Couldn't find \"solid\" text at the beginning; it is binary STL.\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction matchDataViewAt( query, reader, offset ) {\n\n\t\t\t// Check if each byte in query matches the corresponding byte from the current offset\n\n\t\t\tfor ( let i = 0, il = query.length; i < il; i ++ ) {\n\n\t\t\t\tif ( query[ i ] !== reader.getUint8( offset + i ) ) return false;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tfunction parseBinary( data ) {\n\n\t\t\tconst reader = new DataView( data );\n\t\t\tconst faces = reader.getUint32( 80, true );\n\n\t\t\tlet r, g, b, hasColors = false, colors;\n\t\t\tlet defaultR, defaultG, defaultB, alpha;\n\n\t\t\t// process STL header\n\t\t\t// check for default color in header (\"COLOR=rgba\" sequence).\n\n\t\t\tfor ( let index = 0; index < 80 - 10; index ++ ) {\n\n\t\t\t\tif ( ( reader.getUint32( index, false ) == 0x434F4C4F /*COLO*/ ) &&\n\t\t\t\t\t( reader.getUint8( index + 4 ) == 0x52 /*'R'*/ ) &&\n\t\t\t\t\t( reader.getUint8( index + 5 ) == 0x3D /*'='*/ ) ) {\n\n\t\t\t\t\thasColors = true;\n\t\t\t\t\tcolors = new Float32Array( faces * 3 * 3 );\n\n\t\t\t\t\tdefaultR = reader.getUint8( index + 6 ) / 255;\n\t\t\t\t\tdefaultG = reader.getUint8( index + 7 ) / 255;\n\t\t\t\t\tdefaultB = reader.getUint8( index + 8 ) / 255;\n\t\t\t\t\talpha = reader.getUint8( index + 9 ) / 255;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst dataOffset = 84;\n\t\t\tconst faceLength = 12 * 4 + 2;\n\n\t\t\tconst geometry = new BufferGeometry();\n\n\t\t\tconst vertices = new Float32Array( faces * 3 * 3 );\n\t\t\tconst normals = new Float32Array( faces * 3 * 3 );\n\n\t\t\tconst color = new Color();\n\n\t\t\tfor ( let face = 0; face < faces; face ++ ) {\n\n\t\t\t\tconst start = dataOffset + face * faceLength;\n\t\t\t\tconst normalX = reader.getFloat32( start, true );\n\t\t\t\tconst normalY = reader.getFloat32( start + 4, true );\n\t\t\t\tconst normalZ = reader.getFloat32( start + 8, true );\n\n\t\t\t\tif ( hasColors ) {\n\n\t\t\t\t\tconst packedColor = reader.getUint16( start + 48, true );\n\n\t\t\t\t\tif ( ( packedColor & 0x8000 ) === 0 ) {\n\n\t\t\t\t\t\t// facet has its own unique color\n\n\t\t\t\t\t\tr = ( packedColor & 0x1F ) / 31;\n\t\t\t\t\t\tg = ( ( packedColor >> 5 ) & 0x1F ) / 31;\n\t\t\t\t\t\tb = ( ( packedColor >> 10 ) & 0x1F ) / 31;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tr = defaultR;\n\t\t\t\t\t\tg = defaultG;\n\t\t\t\t\t\tb = defaultB;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 1; i <= 3; i ++ ) {\n\n\t\t\t\t\tconst vertexstart = start + i * 12;\n\t\t\t\t\tconst componentIdx = ( face * 3 * 3 ) + ( ( i - 1 ) * 3 );\n\n\t\t\t\t\tvertices[ componentIdx ] = reader.getFloat32( vertexstart, true );\n\t\t\t\t\tvertices[ componentIdx + 1 ] = reader.getFloat32( vertexstart + 4, true );\n\t\t\t\t\tvertices[ componentIdx + 2 ] = reader.getFloat32( vertexstart + 8, true );\n\n\t\t\t\t\tnormals[ componentIdx ] = normalX;\n\t\t\t\t\tnormals[ componentIdx + 1 ] = normalY;\n\t\t\t\t\tnormals[ componentIdx + 2 ] = normalZ;\n\n\t\t\t\t\tif ( hasColors ) {\n\n\t\t\t\t\t\tcolor.setRGB( r, g, b, SRGBColorSpace );\n\n\t\t\t\t\t\tcolors[ componentIdx ] = color.r;\n\t\t\t\t\t\tcolors[ componentIdx + 1 ] = color.g;\n\t\t\t\t\t\tcolors[ componentIdx + 2 ] = color.b;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'position', new BufferAttribute( vertices, 3 ) );\n\t\t\tgeometry.setAttribute( 'normal', new BufferAttribute( normals, 3 ) );\n\n\t\t\tif ( hasColors ) {\n\n\t\t\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\t\t\t\tgeometry.hasColors = true;\n\t\t\t\tgeometry.alpha = alpha;\n\n\t\t\t}\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction parseASCII( data ) {\n\n\t\t\tconst geometry = new BufferGeometry();\n\t\t\tconst patternSolid = /solid([\\s\\S]*?)endsolid/g;\n\t\t\tconst patternFace = /facet([\\s\\S]*?)endfacet/g;\n\t\t\tconst patternName = /solid\\s(.+)/;\n\t\t\tlet faceCounter = 0;\n\n\t\t\tconst patternFloat = /[\\s]+([+-]?(?:\\d*)(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)/.source;\n\t\t\tconst patternVertex = new RegExp( 'vertex' + patternFloat + patternFloat + patternFloat, 'g' );\n\t\t\tconst patternNormal = new RegExp( 'normal' + patternFloat + patternFloat + patternFloat, 'g' );\n\n\t\t\tconst vertices = [];\n\t\t\tconst normals = [];\n\t\t\tconst groupNames = [];\n\n\t\t\tconst normal = new Vector3();\n\n\t\t\tlet result;\n\n\t\t\tlet groupCount = 0;\n\t\t\tlet startVertex = 0;\n\t\t\tlet endVertex = 0;\n\n\t\t\twhile ( ( result = patternSolid.exec( data ) ) !== null ) {\n\n\t\t\t\tstartVertex = endVertex;\n\n\t\t\t\tconst solid = result[ 0 ];\n\n\t\t\t\tconst name = ( result = patternName.exec( solid ) ) !== null ? result[ 1 ] : '';\n\t\t\t\tgroupNames.push( name );\n\n\t\t\t\twhile ( ( result = patternFace.exec( solid ) ) !== null ) {\n\n\t\t\t\t\tlet vertexCountPerFace = 0;\n\t\t\t\t\tlet normalCountPerFace = 0;\n\n\t\t\t\t\tconst text = result[ 0 ];\n\n\t\t\t\t\twhile ( ( result = patternNormal.exec( text ) ) !== null ) {\n\n\t\t\t\t\t\tnormal.x = parseFloat( result[ 1 ] );\n\t\t\t\t\t\tnormal.y = parseFloat( result[ 2 ] );\n\t\t\t\t\t\tnormal.z = parseFloat( result[ 3 ] );\n\t\t\t\t\t\tnormalCountPerFace ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\twhile ( ( result = patternVertex.exec( text ) ) !== null ) {\n\n\t\t\t\t\t\tvertices.push( parseFloat( result[ 1 ] ), parseFloat( result[ 2 ] ), parseFloat( result[ 3 ] ) );\n\t\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\t\t\t\t\t\tvertexCountPerFace ++;\n\t\t\t\t\t\tendVertex ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// every face have to own ONE valid normal\n\n\t\t\t\t\tif ( normalCountPerFace !== 1 ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.STLLoader: Something isn\\'t right with the normal of face number ' + faceCounter );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// each face have to own THREE valid vertices\n\n\t\t\t\t\tif ( vertexCountPerFace !== 3 ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.STLLoader: Something isn\\'t right with the vertices of face number ' + faceCounter );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfaceCounter ++;\n\n\t\t\t\t}\n\n\t\t\t\tconst start = startVertex;\n\t\t\t\tconst count = endVertex - startVertex;\n\n\t\t\t\tgeometry.userData.groupNames = groupNames;\n\n\t\t\t\tgeometry.addGroup( start, count, groupCount );\n\t\t\t\tgroupCount ++;\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\t\tgeometry.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\n\t\t\treturn geometry;\n\n\t\t}\n\n\t\tfunction ensureString( buffer ) {\n\n\t\t\tif ( typeof buffer !== 'string' ) {\n\n\t\t\t\treturn new TextDecoder().decode( buffer );\n\n\t\t\t}\n\n\t\t\treturn buffer;\n\n\t\t}\n\n\t\tfunction ensureBinary( buffer ) {\n\n\t\t\tif ( typeof buffer === 'string' ) {\n\n\t\t\t\tconst array_buffer = new Uint8Array( buffer.length );\n\t\t\t\tfor ( let i = 0; i < buffer.length; i ++ ) {\n\n\t\t\t\t\tarray_buffer[ i ] = buffer.charCodeAt( i ) & 0xff; // implicitly assumes little-endian\n\n\t\t\t\t}\n\n\t\t\t\treturn array_buffer.buffer || array_buffer;\n\n\t\t\t} else {\n\n\t\t\t\treturn buffer;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// start\n\n\t\tconst binData = ensureBinary( data );\n\n\t\treturn isBinary( binData ) ? parseBinary( binData ) : parseASCII( ensureString( data ) );\n\n\t}\n\n}\n\nexport { STLLoader };\n"], + "mappings": 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+ "names": ["data"] +} diff --git a/node_modules/@esbuild/linux-x64/README.md b/node_modules/@esbuild/linux-x64/README.md new file mode 100644 index 0000000..b2f1930 --- /dev/null +++ b/node_modules/@esbuild/linux-x64/README.md @@ -0,0 +1,3 @@ +# esbuild + +This is the Linux 64-bit binary for esbuild, a JavaScript bundler and minifier. See https://github.com/evanw/esbuild for details. diff --git a/node_modules/@esbuild/linux-x64/bin/esbuild b/node_modules/@esbuild/linux-x64/bin/esbuild new file mode 100755 index 0000000..49cca62 Binary files /dev/null and b/node_modules/@esbuild/linux-x64/bin/esbuild differ diff --git a/node_modules/@esbuild/linux-x64/package.json b/node_modules/@esbuild/linux-x64/package.json new file mode 100644 index 0000000..cf36fa7 --- /dev/null +++ b/node_modules/@esbuild/linux-x64/package.json @@ -0,0 +1,20 @@ +{ + "name": "@esbuild/linux-x64", + "version": "0.25.12", + "description": "The Linux 64-bit binary for esbuild, a JavaScript bundler.", + "repository": { + "type": "git", + "url": "git+https://github.com/evanw/esbuild.git" + }, + "license": "MIT", + "preferUnplugged": true, + "engines": { + "node": ">=18" + }, + "os": [ + "linux" + ], + "cpu": [ + "x64" + ] +} diff --git a/node_modules/@rollup/rollup-linux-x64-gnu/README.md b/node_modules/@rollup/rollup-linux-x64-gnu/README.md new file mode 100644 index 0000000..cabe280 --- /dev/null +++ b/node_modules/@rollup/rollup-linux-x64-gnu/README.md @@ -0,0 +1,3 @@ +# `@rollup/rollup-linux-x64-gnu` + +This is the **x86_64-unknown-linux-gnu** binary for `rollup` diff --git a/node_modules/@rollup/rollup-linux-x64-gnu/package.json b/node_modules/@rollup/rollup-linux-x64-gnu/package.json new file mode 100644 index 0000000..8bd324f --- /dev/null +++ b/node_modules/@rollup/rollup-linux-x64-gnu/package.json @@ -0,0 +1,25 @@ +{ + "name": "@rollup/rollup-linux-x64-gnu", + "version": "4.53.3", + "os": [ + "linux" + ], + "cpu": [ + "x64" + ], + "files": [ + "rollup.linux-x64-gnu.node" + ], + "description": "Native bindings for Rollup", + "author": "Lukas Taegert-Atkinson", + "homepage": "https://rollupjs.org/", + "license": "MIT", + "repository": { + "type": "git", + "url": "git+https://github.com/rollup/rollup.git" + }, + "libc": [ + "glibc" + ], + "main": "./rollup.linux-x64-gnu.node" +} \ No newline at end of file diff --git a/node_modules/@rollup/rollup-linux-x64-gnu/rollup.linux-x64-gnu.node b/node_modules/@rollup/rollup-linux-x64-gnu/rollup.linux-x64-gnu.node new file mode 100644 index 0000000..2dede93 Binary files /dev/null and b/node_modules/@rollup/rollup-linux-x64-gnu/rollup.linux-x64-gnu.node differ diff --git a/node_modules/@types/estree/LICENSE b/node_modules/@types/estree/LICENSE new file mode 100644 index 0000000..9e841e7 --- /dev/null +++ b/node_modules/@types/estree/LICENSE @@ -0,0 +1,21 @@ + MIT License + + Copyright (c) Microsoft Corporation. + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in all + copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE diff --git a/node_modules/@types/estree/README.md b/node_modules/@types/estree/README.md new file mode 100644 index 0000000..2af760b --- /dev/null +++ b/node_modules/@types/estree/README.md @@ -0,0 +1,15 @@ +# Installation +> `npm install --save @types/estree` + +# Summary +This package contains type definitions for estree (https://github.com/estree/estree). + +# Details +Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/estree. + +### Additional Details + * Last updated: Fri, 06 Jun 2025 00:04:33 GMT + * Dependencies: none + +# Credits +These definitions were written by [RReverser](https://github.com/RReverser). diff --git a/node_modules/@types/estree/flow.d.ts b/node_modules/@types/estree/flow.d.ts new file mode 100644 index 0000000..9d001a9 --- /dev/null +++ b/node_modules/@types/estree/flow.d.ts @@ -0,0 +1,167 @@ +declare namespace ESTree { + interface FlowTypeAnnotation extends Node {} + + interface FlowBaseTypeAnnotation extends FlowTypeAnnotation {} + + interface FlowLiteralTypeAnnotation extends FlowTypeAnnotation, Literal {} + + interface FlowDeclaration extends Declaration {} + + interface AnyTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface ArrayTypeAnnotation extends FlowTypeAnnotation { + elementType: FlowTypeAnnotation; + } + + interface BooleanLiteralTypeAnnotation extends FlowLiteralTypeAnnotation {} + + interface BooleanTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface ClassImplements extends Node { + id: Identifier; + typeParameters?: TypeParameterInstantiation | null; + } + + interface ClassProperty { + key: Expression; + value?: Expression | null; + typeAnnotation?: TypeAnnotation | null; + computed: boolean; + static: boolean; + } + + interface DeclareClass extends FlowDeclaration { + id: Identifier; + typeParameters?: TypeParameterDeclaration | null; + body: ObjectTypeAnnotation; + extends: InterfaceExtends[]; + } + + interface DeclareFunction extends FlowDeclaration { + id: Identifier; + } + + interface DeclareModule extends FlowDeclaration { + id: Literal | Identifier; + body: BlockStatement; + } + + interface DeclareVariable extends FlowDeclaration { + id: Identifier; + } + + interface FunctionTypeAnnotation extends FlowTypeAnnotation { + params: FunctionTypeParam[]; + returnType: FlowTypeAnnotation; + rest?: FunctionTypeParam | null; + typeParameters?: TypeParameterDeclaration | null; + } + + interface FunctionTypeParam { + name: Identifier; + typeAnnotation: FlowTypeAnnotation; + optional: boolean; + } + + interface GenericTypeAnnotation extends FlowTypeAnnotation { + id: Identifier | QualifiedTypeIdentifier; + typeParameters?: TypeParameterInstantiation | null; + } + + interface InterfaceExtends extends Node { + id: Identifier | QualifiedTypeIdentifier; + typeParameters?: TypeParameterInstantiation | null; + } + + interface InterfaceDeclaration extends FlowDeclaration { + id: Identifier; + typeParameters?: TypeParameterDeclaration | null; + extends: InterfaceExtends[]; + body: ObjectTypeAnnotation; + } + + interface IntersectionTypeAnnotation extends FlowTypeAnnotation { + types: FlowTypeAnnotation[]; + } + + interface MixedTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface NullableTypeAnnotation extends FlowTypeAnnotation { + typeAnnotation: TypeAnnotation; + } + + interface NumberLiteralTypeAnnotation extends FlowLiteralTypeAnnotation {} + + interface NumberTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface StringLiteralTypeAnnotation extends FlowLiteralTypeAnnotation {} + + interface StringTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface TupleTypeAnnotation extends FlowTypeAnnotation { + types: FlowTypeAnnotation[]; + } + + interface TypeofTypeAnnotation extends FlowTypeAnnotation { + argument: FlowTypeAnnotation; + } + + interface TypeAlias extends FlowDeclaration { + id: Identifier; + typeParameters?: TypeParameterDeclaration | null; + right: FlowTypeAnnotation; + } + + interface TypeAnnotation extends Node { + typeAnnotation: FlowTypeAnnotation; + } + + interface TypeCastExpression extends Expression { + expression: Expression; + typeAnnotation: TypeAnnotation; + } + + interface TypeParameterDeclaration extends Node { + params: Identifier[]; + } + + interface TypeParameterInstantiation extends Node { + params: FlowTypeAnnotation[]; + } + + interface ObjectTypeAnnotation extends FlowTypeAnnotation { + properties: ObjectTypeProperty[]; + indexers: ObjectTypeIndexer[]; + callProperties: ObjectTypeCallProperty[]; + } + + interface ObjectTypeCallProperty extends Node { + value: FunctionTypeAnnotation; + static: boolean; + } + + interface ObjectTypeIndexer extends Node { + id: Identifier; + key: FlowTypeAnnotation; + value: FlowTypeAnnotation; + static: boolean; + } + + interface ObjectTypeProperty extends Node { + key: Expression; + value: FlowTypeAnnotation; + optional: boolean; + static: boolean; + } + + interface QualifiedTypeIdentifier extends Node { + qualification: Identifier | QualifiedTypeIdentifier; + id: Identifier; + } + + interface UnionTypeAnnotation extends FlowTypeAnnotation { + types: FlowTypeAnnotation[]; + } + + interface VoidTypeAnnotation extends FlowBaseTypeAnnotation {} +} diff --git a/node_modules/@types/estree/index.d.ts b/node_modules/@types/estree/index.d.ts new file mode 100644 index 0000000..2bc66fb --- /dev/null +++ b/node_modules/@types/estree/index.d.ts @@ -0,0 +1,694 @@ +// This definition file follows a somewhat unusual format. ESTree allows +// runtime type checks based on the `type` parameter. In order to explain this +// to typescript we want to use discriminated union types: +// https://github.com/Microsoft/TypeScript/pull/9163 +// +// For ESTree this is a bit tricky because the high level interfaces like +// Node or Function are pulling double duty. We want to pass common fields down +// to the interfaces that extend them (like Identifier or +// ArrowFunctionExpression), but you can't extend a type union or enforce +// common fields on them. So we've split the high level interfaces into two +// types, a base type which passes down inherited fields, and a type union of +// all types which extend the base type. Only the type union is exported, and +// the union is how other types refer to the collection of inheriting types. +// +// This makes the definitions file here somewhat more difficult to maintain, +// but it has the notable advantage of making ESTree much easier to use as +// an end user. + +export interface BaseNodeWithoutComments { + // Every leaf interface that extends BaseNode must specify a type property. + // The type property should be a string literal. For example, Identifier + // has: `type: "Identifier"` + type: string; + loc?: SourceLocation | null | undefined; + range?: [number, number] | undefined; +} + +export interface BaseNode extends BaseNodeWithoutComments { + leadingComments?: Comment[] | undefined; + trailingComments?: Comment[] | undefined; +} + +export interface NodeMap { + AssignmentProperty: AssignmentProperty; + CatchClause: CatchClause; + Class: Class; + ClassBody: ClassBody; + Expression: Expression; + Function: Function; + Identifier: Identifier; + Literal: Literal; + MethodDefinition: MethodDefinition; + ModuleDeclaration: ModuleDeclaration; + ModuleSpecifier: ModuleSpecifier; + Pattern: Pattern; + PrivateIdentifier: PrivateIdentifier; + Program: Program; + Property: Property; + PropertyDefinition: PropertyDefinition; + SpreadElement: SpreadElement; + Statement: Statement; + Super: Super; + SwitchCase: SwitchCase; + TemplateElement: TemplateElement; + VariableDeclarator: VariableDeclarator; +} + +export type Node = NodeMap[keyof NodeMap]; + +export interface Comment extends BaseNodeWithoutComments { + type: "Line" | "Block"; + value: string; +} + +export interface SourceLocation { + source?: string | null | undefined; + start: Position; + end: Position; +} + +export interface Position { + /** >= 1 */ + line: number; + /** >= 0 */ + column: number; +} + +export interface Program extends BaseNode { + type: "Program"; + sourceType: "script" | "module"; + body: Array; + comments?: Comment[] | undefined; +} + +export interface Directive extends BaseNode { + type: "ExpressionStatement"; + expression: Literal; + directive: string; +} + +export interface BaseFunction extends BaseNode { + params: Pattern[]; + generator?: boolean | undefined; + async?: boolean | undefined; + // The body is either BlockStatement or Expression because arrow functions + // can have a body that's either. FunctionDeclarations and + // FunctionExpressions have only BlockStatement bodies. + body: BlockStatement | Expression; +} + +export type Function = FunctionDeclaration | FunctionExpression | ArrowFunctionExpression; + +export type Statement = + | ExpressionStatement + | BlockStatement + | StaticBlock + | EmptyStatement + | DebuggerStatement + | WithStatement + | ReturnStatement + | LabeledStatement + | BreakStatement + | ContinueStatement + | IfStatement + | SwitchStatement + | ThrowStatement + | TryStatement + | WhileStatement + | DoWhileStatement + | ForStatement + | ForInStatement + | ForOfStatement + | Declaration; + +export interface BaseStatement extends BaseNode {} + +export interface EmptyStatement extends BaseStatement { + type: "EmptyStatement"; +} + +export interface BlockStatement extends BaseStatement { + type: "BlockStatement"; + body: Statement[]; + innerComments?: Comment[] | undefined; +} + +export interface StaticBlock extends Omit { + type: "StaticBlock"; +} + +export interface ExpressionStatement extends BaseStatement { + type: "ExpressionStatement"; + expression: Expression; +} + +export interface IfStatement extends BaseStatement { + type: "IfStatement"; + test: Expression; + consequent: Statement; + alternate?: Statement | null | undefined; +} + +export interface LabeledStatement extends BaseStatement { + type: "LabeledStatement"; + label: Identifier; + body: Statement; +} + +export interface BreakStatement extends BaseStatement { + type: "BreakStatement"; + label?: Identifier | null | undefined; +} + +export interface ContinueStatement extends BaseStatement { + type: "ContinueStatement"; + label?: Identifier | null | undefined; +} + +export interface WithStatement extends BaseStatement { + type: "WithStatement"; + object: Expression; + body: Statement; +} + +export interface SwitchStatement extends BaseStatement { + type: "SwitchStatement"; + discriminant: Expression; + cases: SwitchCase[]; +} + +export interface ReturnStatement extends BaseStatement { + type: "ReturnStatement"; + argument?: Expression | null | undefined; +} + +export interface ThrowStatement extends BaseStatement { + type: "ThrowStatement"; + argument: Expression; +} + +export interface TryStatement extends BaseStatement { + type: "TryStatement"; + block: BlockStatement; + handler?: CatchClause | null | undefined; + finalizer?: BlockStatement | null | undefined; +} + +export interface WhileStatement extends BaseStatement { + type: "WhileStatement"; + test: Expression; + body: Statement; +} + +export interface DoWhileStatement extends BaseStatement { + type: "DoWhileStatement"; + body: Statement; + test: Expression; +} + +export interface ForStatement extends BaseStatement { + type: "ForStatement"; + init?: VariableDeclaration | Expression | null | undefined; + test?: Expression | null | undefined; + update?: Expression | null | undefined; + body: Statement; +} + +export interface BaseForXStatement extends BaseStatement { + left: VariableDeclaration | Pattern; + right: Expression; + body: Statement; +} + +export interface ForInStatement extends BaseForXStatement { + type: "ForInStatement"; +} + +export interface DebuggerStatement extends BaseStatement { + type: "DebuggerStatement"; +} + +export type Declaration = FunctionDeclaration | VariableDeclaration | ClassDeclaration; + +export interface BaseDeclaration extends BaseStatement {} + +export interface MaybeNamedFunctionDeclaration extends BaseFunction, BaseDeclaration { + type: "FunctionDeclaration"; + /** It is null when a function declaration is a part of the `export default function` statement */ + id: Identifier | null; + body: BlockStatement; +} + +export interface FunctionDeclaration extends MaybeNamedFunctionDeclaration { + id: Identifier; +} + +export interface VariableDeclaration extends BaseDeclaration { + type: "VariableDeclaration"; + declarations: VariableDeclarator[]; + kind: "var" | "let" | "const" | "using" | "await using"; +} + +export interface VariableDeclarator extends BaseNode { + type: "VariableDeclarator"; + id: Pattern; + init?: Expression | null | undefined; +} + +export interface ExpressionMap { + ArrayExpression: ArrayExpression; + ArrowFunctionExpression: ArrowFunctionExpression; + AssignmentExpression: AssignmentExpression; + AwaitExpression: AwaitExpression; + BinaryExpression: BinaryExpression; + CallExpression: CallExpression; + ChainExpression: ChainExpression; + ClassExpression: ClassExpression; + ConditionalExpression: ConditionalExpression; + FunctionExpression: FunctionExpression; + Identifier: Identifier; + ImportExpression: ImportExpression; + Literal: Literal; + LogicalExpression: LogicalExpression; + MemberExpression: MemberExpression; + MetaProperty: MetaProperty; + NewExpression: NewExpression; + ObjectExpression: ObjectExpression; + SequenceExpression: SequenceExpression; + TaggedTemplateExpression: TaggedTemplateExpression; + TemplateLiteral: TemplateLiteral; + ThisExpression: ThisExpression; + UnaryExpression: UnaryExpression; + UpdateExpression: UpdateExpression; + YieldExpression: YieldExpression; +} + +export type Expression = ExpressionMap[keyof ExpressionMap]; + +export interface BaseExpression extends BaseNode {} + +export type ChainElement = SimpleCallExpression | MemberExpression; + +export interface ChainExpression extends BaseExpression { + type: "ChainExpression"; + expression: ChainElement; +} + +export interface ThisExpression extends BaseExpression { + type: "ThisExpression"; +} + +export interface ArrayExpression extends BaseExpression { + type: "ArrayExpression"; + elements: Array; +} + +export interface ObjectExpression extends BaseExpression { + type: "ObjectExpression"; + properties: Array; +} + +export interface PrivateIdentifier extends BaseNode { + type: "PrivateIdentifier"; + name: string; +} + +export interface Property extends BaseNode { + type: "Property"; + key: Expression | PrivateIdentifier; + value: Expression | Pattern; // Could be an AssignmentProperty + kind: "init" | "get" | "set"; + method: boolean; + shorthand: boolean; + computed: boolean; +} + +export interface PropertyDefinition extends BaseNode { + type: "PropertyDefinition"; + key: Expression | PrivateIdentifier; + value?: Expression | null | undefined; + computed: boolean; + static: boolean; +} + +export interface FunctionExpression extends BaseFunction, BaseExpression { + id?: Identifier | null | undefined; + type: "FunctionExpression"; + body: BlockStatement; +} + +export interface SequenceExpression extends BaseExpression { + type: "SequenceExpression"; + expressions: Expression[]; +} + +export interface UnaryExpression extends BaseExpression { + type: "UnaryExpression"; + operator: UnaryOperator; + prefix: true; + argument: Expression; +} + +export interface BinaryExpression extends BaseExpression { + type: "BinaryExpression"; + operator: BinaryOperator; + left: Expression | PrivateIdentifier; + right: Expression; +} + +export interface AssignmentExpression extends BaseExpression { + type: "AssignmentExpression"; + operator: AssignmentOperator; + left: Pattern | MemberExpression; + right: Expression; +} + +export interface UpdateExpression extends BaseExpression { + type: "UpdateExpression"; + operator: UpdateOperator; + argument: Expression; + prefix: boolean; +} + +export interface LogicalExpression extends BaseExpression { + type: "LogicalExpression"; + operator: LogicalOperator; + left: Expression; + right: Expression; +} + +export interface ConditionalExpression extends BaseExpression { + type: "ConditionalExpression"; + test: Expression; + alternate: Expression; + consequent: Expression; +} + +export interface BaseCallExpression extends BaseExpression { + callee: Expression | Super; + arguments: Array; +} +export type CallExpression = SimpleCallExpression | NewExpression; + +export interface SimpleCallExpression extends BaseCallExpression { + type: "CallExpression"; + optional: boolean; +} + +export interface NewExpression extends BaseCallExpression { + type: "NewExpression"; +} + +export interface MemberExpression extends BaseExpression, BasePattern { + type: "MemberExpression"; + object: Expression | Super; + property: Expression | PrivateIdentifier; + computed: boolean; + optional: boolean; +} + +export type Pattern = Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression; + +export interface BasePattern extends BaseNode {} + +export interface SwitchCase extends BaseNode { + type: "SwitchCase"; + test?: Expression | null | undefined; + consequent: Statement[]; +} + +export interface CatchClause extends BaseNode { + type: "CatchClause"; + param: Pattern | null; + body: BlockStatement; +} + +export interface Identifier extends BaseNode, BaseExpression, BasePattern { + type: "Identifier"; + name: string; +} + +export type Literal = SimpleLiteral | RegExpLiteral | BigIntLiteral; + +export interface SimpleLiteral extends BaseNode, BaseExpression { + type: "Literal"; + value: string | boolean | number | null; + raw?: string | undefined; +} + +export interface RegExpLiteral extends BaseNode, BaseExpression { + type: "Literal"; + value?: RegExp | null | undefined; + regex: { + pattern: string; + flags: string; + }; + raw?: string | undefined; +} + +export interface BigIntLiteral extends BaseNode, BaseExpression { + type: "Literal"; + value?: bigint | null | undefined; + bigint: string; + raw?: string | undefined; +} + +export type UnaryOperator = "-" | "+" | "!" | "~" | "typeof" | "void" | "delete"; + +export type BinaryOperator = + | "==" + | "!=" + | "===" + | "!==" + | "<" + | "<=" + | ">" + | ">=" + | "<<" + | ">>" + | ">>>" + | "+" + | "-" + | "*" + | "/" + | "%" + | "**" + | "|" + | "^" + | "&" + | "in" + | "instanceof"; + +export type LogicalOperator = "||" | "&&" | "??"; + +export type AssignmentOperator = + | "=" + | "+=" + | "-=" + | "*=" + | "/=" + | "%=" + | "**=" + | "<<=" + | ">>=" + | ">>>=" + | "|=" + | "^=" + | "&=" + | "||=" + | "&&=" + | "??="; + +export type UpdateOperator = "++" | "--"; + +export interface ForOfStatement extends BaseForXStatement { + type: "ForOfStatement"; + await: boolean; +} + +export interface Super extends BaseNode { + type: "Super"; +} + +export interface SpreadElement extends BaseNode { + type: "SpreadElement"; + argument: Expression; +} + +export interface ArrowFunctionExpression extends BaseExpression, BaseFunction { + type: "ArrowFunctionExpression"; + expression: boolean; + body: BlockStatement | Expression; +} + +export interface YieldExpression extends BaseExpression { + type: "YieldExpression"; + argument?: Expression | null | undefined; + delegate: boolean; +} + +export interface TemplateLiteral extends BaseExpression { + type: "TemplateLiteral"; + quasis: TemplateElement[]; + expressions: Expression[]; +} + +export interface TaggedTemplateExpression extends BaseExpression { + type: "TaggedTemplateExpression"; + tag: Expression; + quasi: TemplateLiteral; +} + +export interface TemplateElement extends BaseNode { + type: "TemplateElement"; + tail: boolean; + value: { + /** It is null when the template literal is tagged and the text has an invalid escape (e.g. - tag`\unicode and \u{55}`) */ + cooked?: string | null | undefined; + raw: string; + }; +} + +export interface AssignmentProperty extends Property { + value: Pattern; + kind: "init"; + method: boolean; // false +} + +export interface ObjectPattern extends BasePattern { + type: "ObjectPattern"; + properties: Array; +} + +export interface ArrayPattern extends BasePattern { + type: "ArrayPattern"; + elements: Array; +} + +export interface RestElement extends BasePattern { + type: "RestElement"; + argument: Pattern; +} + +export interface AssignmentPattern extends BasePattern { + type: "AssignmentPattern"; + left: Pattern; + right: Expression; +} + +export type Class = ClassDeclaration | ClassExpression; +export interface BaseClass extends BaseNode { + superClass?: Expression | null | undefined; + body: ClassBody; +} + +export interface ClassBody extends BaseNode { + type: "ClassBody"; + body: Array; +} + +export interface MethodDefinition extends BaseNode { + type: "MethodDefinition"; + key: Expression | PrivateIdentifier; + value: FunctionExpression; + kind: "constructor" | "method" | "get" | "set"; + computed: boolean; + static: boolean; +} + +export interface MaybeNamedClassDeclaration extends BaseClass, BaseDeclaration { + type: "ClassDeclaration"; + /** It is null when a class declaration is a part of the `export default class` statement */ + id: Identifier | null; +} + +export interface ClassDeclaration extends MaybeNamedClassDeclaration { + id: Identifier; +} + +export interface ClassExpression extends BaseClass, BaseExpression { + type: "ClassExpression"; + id?: Identifier | null | undefined; +} + +export interface MetaProperty extends BaseExpression { + type: "MetaProperty"; + meta: Identifier; + property: Identifier; +} + +export type ModuleDeclaration = + | ImportDeclaration + | ExportNamedDeclaration + | ExportDefaultDeclaration + | ExportAllDeclaration; +export interface BaseModuleDeclaration extends BaseNode {} + +export type ModuleSpecifier = ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier; +export interface BaseModuleSpecifier extends BaseNode { + local: Identifier; +} + +export interface ImportDeclaration extends BaseModuleDeclaration { + type: "ImportDeclaration"; + specifiers: Array; + attributes: ImportAttribute[]; + source: Literal; +} + +export interface ImportSpecifier extends BaseModuleSpecifier { + type: "ImportSpecifier"; + imported: Identifier | Literal; +} + +export interface ImportAttribute extends BaseNode { + type: "ImportAttribute"; + key: Identifier | Literal; + value: Literal; +} + +export interface ImportExpression extends BaseExpression { + type: "ImportExpression"; + source: Expression; + options?: Expression | null | undefined; +} + +export interface ImportDefaultSpecifier extends BaseModuleSpecifier { + type: "ImportDefaultSpecifier"; +} + +export interface ImportNamespaceSpecifier extends BaseModuleSpecifier { + type: "ImportNamespaceSpecifier"; +} + +export interface ExportNamedDeclaration extends BaseModuleDeclaration { + type: "ExportNamedDeclaration"; + declaration?: Declaration | null | undefined; + specifiers: ExportSpecifier[]; + attributes: ImportAttribute[]; + source?: Literal | null | undefined; +} + +export interface ExportSpecifier extends Omit { + type: "ExportSpecifier"; + local: Identifier | Literal; + exported: Identifier | Literal; +} + +export interface ExportDefaultDeclaration extends BaseModuleDeclaration { + type: "ExportDefaultDeclaration"; + declaration: MaybeNamedFunctionDeclaration | MaybeNamedClassDeclaration | Expression; +} + +export interface ExportAllDeclaration extends BaseModuleDeclaration { + type: "ExportAllDeclaration"; + exported: Identifier | Literal | null; + attributes: ImportAttribute[]; + source: Literal; +} + +export interface AwaitExpression extends BaseExpression { + type: "AwaitExpression"; + argument: Expression; +} diff --git a/node_modules/@types/estree/package.json b/node_modules/@types/estree/package.json new file mode 100644 index 0000000..68c0782 --- /dev/null +++ b/node_modules/@types/estree/package.json @@ -0,0 +1,27 @@ +{ + "name": "@types/estree", + "version": "1.0.8", + "description": "TypeScript definitions for estree", + "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/estree", + "license": "MIT", + "contributors": [ + { + "name": "RReverser", + "githubUsername": "RReverser", + "url": "https://github.com/RReverser" + } + ], + "main": "", + "types": "index.d.ts", + "repository": { + "type": "git", + "url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git", + "directory": "types/estree" + }, + "scripts": {}, + "dependencies": {}, + "peerDependencies": {}, + "typesPublisherContentHash": "7a167b6e4a4d9f6e9a2cb9fd3fc45c885f89cbdeb44b3e5961bb057a45c082fd", + "typeScriptVersion": "5.1", + "nonNpm": true +} \ No newline at end of file diff --git a/node_modules/esbuild/LICENSE.md b/node_modules/esbuild/LICENSE.md new file mode 100644 index 0000000..2027e8d --- /dev/null +++ b/node_modules/esbuild/LICENSE.md @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2020 Evan Wallace + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/node_modules/esbuild/README.md b/node_modules/esbuild/README.md new file mode 100644 index 0000000..93863d1 --- /dev/null +++ b/node_modules/esbuild/README.md @@ -0,0 +1,3 @@ +# esbuild + +This is a JavaScript bundler and minifier. See https://github.com/evanw/esbuild and the [JavaScript API documentation](https://esbuild.github.io/api/) for details. diff --git a/node_modules/esbuild/bin/esbuild b/node_modules/esbuild/bin/esbuild new file mode 100755 index 0000000..49cca62 Binary files /dev/null and b/node_modules/esbuild/bin/esbuild differ diff --git a/node_modules/esbuild/install.js b/node_modules/esbuild/install.js new file mode 100644 index 0000000..1019e62 --- /dev/null +++ b/node_modules/esbuild/install.js @@ -0,0 +1,289 @@ +"use strict"; +var __create = Object.create; +var __defProp = Object.defineProperty; +var __getOwnPropDesc = Object.getOwnPropertyDescriptor; +var __getOwnPropNames = Object.getOwnPropertyNames; +var __getProtoOf = Object.getPrototypeOf; +var __hasOwnProp = Object.prototype.hasOwnProperty; +var __copyProps = (to, from, except, desc) => { + if (from && typeof from === "object" || typeof from === "function") { + for (let key of __getOwnPropNames(from)) + if (!__hasOwnProp.call(to, key) && key !== except) + __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable }); + } + return to; +}; +var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps( + // If the importer is in node compatibility mode or this is not an ESM + // file that has been converted to a CommonJS file using a Babel- + // compatible transform (i.e. "__esModule" has not been set), then set + // "default" to the CommonJS "module.exports" for node compatibility. + isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target, + mod +)); + +// lib/npm/node-platform.ts +var fs = require("fs"); +var os = require("os"); +var path = require("path"); +var ESBUILD_BINARY_PATH = process.env.ESBUILD_BINARY_PATH || ESBUILD_BINARY_PATH; +var isValidBinaryPath = (x) => !!x && x !== "/usr/bin/esbuild"; +var knownWindowsPackages = { + "win32 arm64 LE": "@esbuild/win32-arm64", + "win32 ia32 LE": "@esbuild/win32-ia32", + "win32 x64 LE": "@esbuild/win32-x64" +}; +var knownUnixlikePackages = { + "aix ppc64 BE": "@esbuild/aix-ppc64", + "android arm64 LE": "@esbuild/android-arm64", + "darwin arm64 LE": "@esbuild/darwin-arm64", + "darwin x64 LE": "@esbuild/darwin-x64", + "freebsd arm64 LE": "@esbuild/freebsd-arm64", + "freebsd x64 LE": "@esbuild/freebsd-x64", + "linux arm LE": "@esbuild/linux-arm", + "linux arm64 LE": "@esbuild/linux-arm64", + "linux ia32 LE": "@esbuild/linux-ia32", + "linux mips64el LE": "@esbuild/linux-mips64el", + "linux ppc64 LE": "@esbuild/linux-ppc64", + "linux riscv64 LE": "@esbuild/linux-riscv64", + "linux s390x BE": "@esbuild/linux-s390x", + "linux x64 LE": "@esbuild/linux-x64", + "linux loong64 LE": "@esbuild/linux-loong64", + "netbsd arm64 LE": "@esbuild/netbsd-arm64", + "netbsd x64 LE": "@esbuild/netbsd-x64", + "openbsd arm64 LE": "@esbuild/openbsd-arm64", + "openbsd x64 LE": "@esbuild/openbsd-x64", + "sunos x64 LE": "@esbuild/sunos-x64" +}; +var knownWebAssemblyFallbackPackages = { + "android arm LE": "@esbuild/android-arm", + "android x64 LE": "@esbuild/android-x64", + "openharmony arm64 LE": "@esbuild/openharmony-arm64" +}; +function pkgAndSubpathForCurrentPlatform() { + let pkg; + let subpath; + let isWASM = false; + let platformKey = `${process.platform} ${os.arch()} ${os.endianness()}`; + if (platformKey in knownWindowsPackages) { + pkg = knownWindowsPackages[platformKey]; + subpath = "esbuild.exe"; + } else if (platformKey in knownUnixlikePackages) { + pkg = knownUnixlikePackages[platformKey]; + subpath = "bin/esbuild"; + } else if (platformKey in knownWebAssemblyFallbackPackages) { + pkg = knownWebAssemblyFallbackPackages[platformKey]; + subpath = "bin/esbuild"; + isWASM = true; + } else { + throw new Error(`Unsupported platform: ${platformKey}`); + } + return { pkg, subpath, isWASM }; +} +function downloadedBinPath(pkg, subpath) { + const esbuildLibDir = path.dirname(require.resolve("esbuild")); + return path.join(esbuildLibDir, `downloaded-${pkg.replace("/", "-")}-${path.basename(subpath)}`); +} + +// lib/npm/node-install.ts +var fs2 = require("fs"); +var os2 = require("os"); +var path2 = require("path"); +var zlib = require("zlib"); +var https = require("https"); +var child_process = require("child_process"); +var versionFromPackageJSON = require(path2.join(__dirname, "package.json")).version; +var toPath = path2.join(__dirname, "bin", "esbuild"); +var isToPathJS = true; +function validateBinaryVersion(...command) { + command.push("--version"); + let stdout; + try { + stdout = child_process.execFileSync(command.shift(), command, { + // Without this, this install script strangely crashes with the error + // "EACCES: permission denied, write" but only on Ubuntu Linux when node is + // installed from the Snap Store. This is not a problem when you download + // the official version of node. The problem appears to be that stderr + // (i.e. file descriptor 2) isn't writable? + // + // More info: + // - https://snapcraft.io/ (what the Snap Store is) + // - https://nodejs.org/dist/ (download the official version of node) + // - https://github.com/evanw/esbuild/issues/1711#issuecomment-1027554035 + // + stdio: "pipe" + }).toString().trim(); + } catch (err) { + if (os2.platform() === "darwin" && /_SecTrustEvaluateWithError/.test(err + "")) { + let os3 = "this version of macOS"; + try { + os3 = "macOS " + child_process.execFileSync("sw_vers", ["-productVersion"]).toString().trim(); + } catch { + } + throw new Error(`The "esbuild" package cannot be installed because ${os3} is too outdated. + +The Go compiler (which esbuild relies on) no longer supports ${os3}, +which means the "esbuild" binary executable can't be run. You can either: + + * Update your version of macOS to one that the Go compiler supports + * Use the "esbuild-wasm" package instead of the "esbuild" package + * Build esbuild yourself using an older version of the Go compiler +`); + } + throw err; + } + if (stdout !== versionFromPackageJSON) { + throw new Error(`Expected ${JSON.stringify(versionFromPackageJSON)} but got ${JSON.stringify(stdout)}`); + } +} +function isYarn() { + const { npm_config_user_agent } = process.env; + if (npm_config_user_agent) { + return /\byarn\//.test(npm_config_user_agent); + } + return false; +} +function fetch(url) { + return new Promise((resolve, reject) => { + https.get(url, (res) => { + if ((res.statusCode === 301 || res.statusCode === 302) && res.headers.location) + return fetch(res.headers.location).then(resolve, reject); + if (res.statusCode !== 200) + return reject(new Error(`Server responded with ${res.statusCode}`)); + let chunks = []; + res.on("data", (chunk) => chunks.push(chunk)); + res.on("end", () => resolve(Buffer.concat(chunks))); + }).on("error", reject); + }); +} +function extractFileFromTarGzip(buffer, subpath) { + try { + buffer = zlib.unzipSync(buffer); + } catch (err) { + throw new Error(`Invalid gzip data in archive: ${err && err.message || err}`); + } + let str = (i, n) => String.fromCharCode(...buffer.subarray(i, i + n)).replace(/\0.*$/, ""); + let offset = 0; + subpath = `package/${subpath}`; + while (offset < buffer.length) { + let name = str(offset, 100); + let size = parseInt(str(offset + 124, 12), 8); + offset += 512; + if (!isNaN(size)) { + if (name === subpath) return buffer.subarray(offset, offset + size); + offset += size + 511 & ~511; + } + } + throw new Error(`Could not find ${JSON.stringify(subpath)} in archive`); +} +function installUsingNPM(pkg, subpath, binPath) { + const env = { ...process.env, npm_config_global: void 0 }; + const esbuildLibDir = path2.dirname(require.resolve("esbuild")); + const installDir = path2.join(esbuildLibDir, "npm-install"); + fs2.mkdirSync(installDir); + try { + fs2.writeFileSync(path2.join(installDir, "package.json"), "{}"); + child_process.execSync( + `npm install --loglevel=error --prefer-offline --no-audit --progress=false ${pkg}@${versionFromPackageJSON}`, + { cwd: installDir, stdio: "pipe", env } + ); + const installedBinPath = path2.join(installDir, "node_modules", pkg, subpath); + fs2.renameSync(installedBinPath, binPath); + } finally { + try { + removeRecursive(installDir); + } catch { + } + } +} +function removeRecursive(dir) { + for (const entry of fs2.readdirSync(dir)) { + const entryPath = path2.join(dir, entry); + let stats; + try { + stats = fs2.lstatSync(entryPath); + } catch { + continue; + } + if (stats.isDirectory()) removeRecursive(entryPath); + else fs2.unlinkSync(entryPath); + } + fs2.rmdirSync(dir); +} +function applyManualBinaryPathOverride(overridePath) { + const pathString = JSON.stringify(overridePath); + fs2.writeFileSync(toPath, `#!/usr/bin/env node +require('child_process').execFileSync(${pathString}, process.argv.slice(2), { stdio: 'inherit' }); +`); + const libMain = path2.join(__dirname, "lib", "main.js"); + const code = fs2.readFileSync(libMain, "utf8"); + fs2.writeFileSync(libMain, `var ESBUILD_BINARY_PATH = ${pathString}; +${code}`); +} +function maybeOptimizePackage(binPath) { + const { isWASM } = pkgAndSubpathForCurrentPlatform(); + if (os2.platform() !== "win32" && !isYarn() && !isWASM) { + const tempPath = path2.join(__dirname, "bin-esbuild"); + try { + fs2.linkSync(binPath, tempPath); + fs2.renameSync(tempPath, toPath); + isToPathJS = false; + fs2.unlinkSync(tempPath); + } catch { + } + } +} +async function downloadDirectlyFromNPM(pkg, subpath, binPath) { + const url = `https://registry.npmjs.org/${pkg}/-/${pkg.replace("@esbuild/", "")}-${versionFromPackageJSON}.tgz`; + console.error(`[esbuild] Trying to download ${JSON.stringify(url)}`); + try { + fs2.writeFileSync(binPath, extractFileFromTarGzip(await fetch(url), subpath)); + fs2.chmodSync(binPath, 493); + } catch (e) { + console.error(`[esbuild] Failed to download ${JSON.stringify(url)}: ${e && e.message || e}`); + throw e; + } +} +async function checkAndPreparePackage() { + if (isValidBinaryPath(ESBUILD_BINARY_PATH)) { + if (!fs2.existsSync(ESBUILD_BINARY_PATH)) { + console.warn(`[esbuild] Ignoring bad configuration: ESBUILD_BINARY_PATH=${ESBUILD_BINARY_PATH}`); + } else { + applyManualBinaryPathOverride(ESBUILD_BINARY_PATH); + return; + } + } + const { pkg, subpath } = pkgAndSubpathForCurrentPlatform(); + let binPath; + try { + binPath = require.resolve(`${pkg}/${subpath}`); + } catch (e) { + console.error(`[esbuild] Failed to find package "${pkg}" on the file system + +This can happen if you use the "--no-optional" flag. The "optionalDependencies" +package.json feature is used by esbuild to install the correct binary executable +for your current platform. This install script will now attempt to work around +this. If that fails, you need to remove the "--no-optional" flag to use esbuild. +`); + binPath = downloadedBinPath(pkg, subpath); + try { + console.error(`[esbuild] Trying to install package "${pkg}" using npm`); + installUsingNPM(pkg, subpath, binPath); + } catch (e2) { + console.error(`[esbuild] Failed to install package "${pkg}" using npm: ${e2 && e2.message || e2}`); + try { + await downloadDirectlyFromNPM(pkg, subpath, binPath); + } catch (e3) { + throw new Error(`Failed to install package "${pkg}"`); + } + } + } + maybeOptimizePackage(binPath); +} +checkAndPreparePackage().then(() => { + if (isToPathJS) { + validateBinaryVersion(process.execPath, toPath); + } else { + validateBinaryVersion(toPath); + } +}); diff --git a/node_modules/esbuild/lib/main.d.ts b/node_modules/esbuild/lib/main.d.ts new file mode 100644 index 0000000..9e69c39 --- /dev/null +++ b/node_modules/esbuild/lib/main.d.ts @@ -0,0 +1,716 @@ +export type Platform = 'browser' | 'node' | 'neutral' +export type Format = 'iife' | 'cjs' | 'esm' +export type Loader = 'base64' | 'binary' | 'copy' | 'css' | 'dataurl' | 'default' | 'empty' | 'file' | 'js' | 'json' | 'jsx' | 'local-css' | 'text' | 'ts' | 'tsx' +export type LogLevel = 'verbose' | 'debug' | 'info' | 'warning' | 'error' | 'silent' +export type Charset = 'ascii' | 'utf8' +export type Drop = 'console' | 'debugger' +export type AbsPaths = 'code' | 'log' | 'metafile' + +interface CommonOptions { + /** Documentation: https://esbuild.github.io/api/#sourcemap */ + sourcemap?: boolean | 'linked' | 'inline' | 'external' | 'both' + /** Documentation: https://esbuild.github.io/api/#legal-comments */ + legalComments?: 'none' | 'inline' | 'eof' | 'linked' | 'external' + /** Documentation: https://esbuild.github.io/api/#source-root */ + sourceRoot?: string + /** Documentation: https://esbuild.github.io/api/#sources-content */ + sourcesContent?: boolean + + /** Documentation: https://esbuild.github.io/api/#format */ + format?: Format + /** Documentation: https://esbuild.github.io/api/#global-name */ + globalName?: string + /** Documentation: https://esbuild.github.io/api/#target */ + target?: string | string[] + /** Documentation: https://esbuild.github.io/api/#supported */ + supported?: Record + /** Documentation: https://esbuild.github.io/api/#platform */ + platform?: Platform + + /** Documentation: https://esbuild.github.io/api/#mangle-props */ + mangleProps?: RegExp + /** Documentation: https://esbuild.github.io/api/#mangle-props */ + reserveProps?: RegExp + /** Documentation: https://esbuild.github.io/api/#mangle-props */ + mangleQuoted?: boolean + /** Documentation: https://esbuild.github.io/api/#mangle-props */ + mangleCache?: Record + /** Documentation: https://esbuild.github.io/api/#drop */ + drop?: Drop[] + /** Documentation: https://esbuild.github.io/api/#drop-labels */ + dropLabels?: string[] + /** Documentation: https://esbuild.github.io/api/#minify */ + minify?: boolean + /** Documentation: https://esbuild.github.io/api/#minify */ + minifyWhitespace?: boolean + /** Documentation: https://esbuild.github.io/api/#minify */ + minifyIdentifiers?: boolean + /** Documentation: https://esbuild.github.io/api/#minify */ + minifySyntax?: boolean + /** Documentation: https://esbuild.github.io/api/#line-limit */ + lineLimit?: number + /** Documentation: https://esbuild.github.io/api/#charset */ + charset?: Charset + /** Documentation: https://esbuild.github.io/api/#tree-shaking */ + treeShaking?: boolean + /** Documentation: https://esbuild.github.io/api/#ignore-annotations */ + ignoreAnnotations?: boolean + + /** Documentation: https://esbuild.github.io/api/#jsx */ + jsx?: 'transform' | 'preserve' | 'automatic' + /** Documentation: https://esbuild.github.io/api/#jsx-factory */ + jsxFactory?: string + /** Documentation: https://esbuild.github.io/api/#jsx-fragment */ + jsxFragment?: string + /** Documentation: https://esbuild.github.io/api/#jsx-import-source */ + jsxImportSource?: string + /** Documentation: https://esbuild.github.io/api/#jsx-development */ + jsxDev?: boolean + /** Documentation: https://esbuild.github.io/api/#jsx-side-effects */ + jsxSideEffects?: boolean + + /** Documentation: https://esbuild.github.io/api/#define */ + define?: { [key: string]: string } + /** Documentation: https://esbuild.github.io/api/#pure */ + pure?: string[] + /** Documentation: https://esbuild.github.io/api/#keep-names */ + keepNames?: boolean + + /** Documentation: https://esbuild.github.io/api/#abs-paths */ + absPaths?: AbsPaths[] + /** Documentation: https://esbuild.github.io/api/#color */ + color?: boolean + /** Documentation: https://esbuild.github.io/api/#log-level */ + logLevel?: LogLevel + /** Documentation: https://esbuild.github.io/api/#log-limit */ + logLimit?: number + /** Documentation: https://esbuild.github.io/api/#log-override */ + logOverride?: Record + + /** Documentation: https://esbuild.github.io/api/#tsconfig-raw */ + tsconfigRaw?: string | TsconfigRaw +} + +export interface TsconfigRaw { + compilerOptions?: { + alwaysStrict?: boolean + baseUrl?: string + experimentalDecorators?: boolean + importsNotUsedAsValues?: 'remove' | 'preserve' | 'error' + jsx?: 'preserve' | 'react-native' | 'react' | 'react-jsx' | 'react-jsxdev' + jsxFactory?: string + jsxFragmentFactory?: string + jsxImportSource?: string + paths?: Record + preserveValueImports?: boolean + strict?: boolean + target?: string + useDefineForClassFields?: boolean + verbatimModuleSyntax?: boolean + } +} + +export interface BuildOptions extends CommonOptions { + /** Documentation: https://esbuild.github.io/api/#bundle */ + bundle?: boolean + /** Documentation: https://esbuild.github.io/api/#splitting */ + splitting?: boolean + /** Documentation: https://esbuild.github.io/api/#preserve-symlinks */ + preserveSymlinks?: boolean + /** Documentation: https://esbuild.github.io/api/#outfile */ + outfile?: string + /** Documentation: https://esbuild.github.io/api/#metafile */ + metafile?: boolean + /** Documentation: https://esbuild.github.io/api/#outdir */ + outdir?: string + /** Documentation: https://esbuild.github.io/api/#outbase */ + outbase?: string + /** Documentation: https://esbuild.github.io/api/#external */ + external?: string[] + /** Documentation: https://esbuild.github.io/api/#packages */ + packages?: 'bundle' | 'external' + /** Documentation: https://esbuild.github.io/api/#alias */ + alias?: Record + /** Documentation: https://esbuild.github.io/api/#loader */ + loader?: { [ext: string]: Loader } + /** Documentation: https://esbuild.github.io/api/#resolve-extensions */ + resolveExtensions?: string[] + /** Documentation: https://esbuild.github.io/api/#main-fields */ + mainFields?: string[] + /** Documentation: https://esbuild.github.io/api/#conditions */ + conditions?: string[] + /** Documentation: https://esbuild.github.io/api/#write */ + write?: boolean + /** Documentation: https://esbuild.github.io/api/#allow-overwrite */ + allowOverwrite?: boolean + /** Documentation: https://esbuild.github.io/api/#tsconfig */ + tsconfig?: string + /** Documentation: https://esbuild.github.io/api/#out-extension */ + outExtension?: { [ext: string]: string } + /** Documentation: https://esbuild.github.io/api/#public-path */ + publicPath?: string + /** Documentation: https://esbuild.github.io/api/#entry-names */ + entryNames?: string + /** Documentation: https://esbuild.github.io/api/#chunk-names */ + chunkNames?: string + /** Documentation: https://esbuild.github.io/api/#asset-names */ + assetNames?: string + /** Documentation: https://esbuild.github.io/api/#inject */ + inject?: string[] + /** Documentation: https://esbuild.github.io/api/#banner */ + banner?: { [type: string]: string } + /** Documentation: https://esbuild.github.io/api/#footer */ + footer?: { [type: string]: string } + /** Documentation: https://esbuild.github.io/api/#entry-points */ + entryPoints?: (string | { in: string, out: string })[] | Record + /** Documentation: https://esbuild.github.io/api/#stdin */ + stdin?: StdinOptions + /** Documentation: https://esbuild.github.io/plugins/ */ + plugins?: Plugin[] + /** Documentation: https://esbuild.github.io/api/#working-directory */ + absWorkingDir?: string + /** Documentation: https://esbuild.github.io/api/#node-paths */ + nodePaths?: string[]; // The "NODE_PATH" variable from Node.js +} + +export interface StdinOptions { + contents: string | Uint8Array + resolveDir?: string + sourcefile?: string + loader?: Loader +} + +export interface Message { + id: string + pluginName: string + text: string + location: Location | null + notes: Note[] + + /** + * Optional user-specified data that is passed through unmodified. You can + * use this to stash the original error, for example. + */ + detail: any +} + +export interface Note { + text: string + location: Location | null +} + +export interface Location { + file: string + namespace: string + /** 1-based */ + line: number + /** 0-based, in bytes */ + column: number + /** in bytes */ + length: number + lineText: string + suggestion: string +} + +export interface OutputFile { + path: string + contents: Uint8Array + hash: string + /** "contents" as text (changes automatically with "contents") */ + readonly text: string +} + +export interface BuildResult { + errors: Message[] + warnings: Message[] + /** Only when "write: false" */ + outputFiles: OutputFile[] | (ProvidedOptions['write'] extends false ? never : undefined) + /** Only when "metafile: true" */ + metafile: Metafile | (ProvidedOptions['metafile'] extends true ? never : undefined) + /** Only when "mangleCache" is present */ + mangleCache: Record | (ProvidedOptions['mangleCache'] extends Object ? never : undefined) +} + +export interface BuildFailure extends Error { + errors: Message[] + warnings: Message[] +} + +/** Documentation: https://esbuild.github.io/api/#serve-arguments */ +export interface ServeOptions { + port?: number + host?: string + servedir?: string + keyfile?: string + certfile?: string + fallback?: string + cors?: CORSOptions + onRequest?: (args: ServeOnRequestArgs) => void +} + +/** Documentation: https://esbuild.github.io/api/#cors */ +export interface CORSOptions { + origin?: string | string[] +} + +export interface ServeOnRequestArgs { + remoteAddress: string + method: string + path: string + status: number + /** The time to generate the response, not to send it */ + timeInMS: number +} + +/** Documentation: https://esbuild.github.io/api/#serve-return-values */ +export interface ServeResult { + port: number + hosts: string[] +} + +export interface TransformOptions extends CommonOptions { + /** Documentation: https://esbuild.github.io/api/#sourcefile */ + sourcefile?: string + /** Documentation: https://esbuild.github.io/api/#loader */ + loader?: Loader + /** Documentation: https://esbuild.github.io/api/#banner */ + banner?: string + /** Documentation: https://esbuild.github.io/api/#footer */ + footer?: string +} + +export interface TransformResult { + code: string + map: string + warnings: Message[] + /** Only when "mangleCache" is present */ + mangleCache: Record | (ProvidedOptions['mangleCache'] extends Object ? never : undefined) + /** Only when "legalComments" is "external" */ + legalComments: string | (ProvidedOptions['legalComments'] extends 'external' ? never : undefined) +} + +export interface TransformFailure extends Error { + errors: Message[] + warnings: Message[] +} + +export interface Plugin { + name: string + setup: (build: PluginBuild) => (void | Promise) +} + +export interface PluginBuild { + /** Documentation: https://esbuild.github.io/plugins/#build-options */ + initialOptions: BuildOptions + + /** Documentation: https://esbuild.github.io/plugins/#resolve */ + resolve(path: string, options?: ResolveOptions): Promise + + /** Documentation: https://esbuild.github.io/plugins/#on-start */ + onStart(callback: () => + (OnStartResult | null | void | Promise)): void + + /** Documentation: https://esbuild.github.io/plugins/#on-end */ + onEnd(callback: (result: BuildResult) => + (OnEndResult | null | void | Promise)): void + + /** Documentation: https://esbuild.github.io/plugins/#on-resolve */ + onResolve(options: OnResolveOptions, callback: (args: OnResolveArgs) => + (OnResolveResult | null | undefined | Promise)): void + + /** Documentation: https://esbuild.github.io/plugins/#on-load */ + onLoad(options: OnLoadOptions, callback: (args: OnLoadArgs) => + (OnLoadResult | null | undefined | Promise)): void + + /** Documentation: https://esbuild.github.io/plugins/#on-dispose */ + onDispose(callback: () => void): void + + // This is a full copy of the esbuild library in case you need it + esbuild: { + context: typeof context, + build: typeof build, + buildSync: typeof buildSync, + transform: typeof transform, + transformSync: typeof transformSync, + formatMessages: typeof formatMessages, + formatMessagesSync: typeof formatMessagesSync, + analyzeMetafile: typeof analyzeMetafile, + analyzeMetafileSync: typeof analyzeMetafileSync, + initialize: typeof initialize, + version: typeof version, + } +} + +/** Documentation: https://esbuild.github.io/plugins/#resolve-options */ +export interface ResolveOptions { + pluginName?: string + importer?: string + namespace?: string + resolveDir?: string + kind?: ImportKind + pluginData?: any + with?: Record +} + +/** Documentation: https://esbuild.github.io/plugins/#resolve-results */ +export interface ResolveResult { + errors: Message[] + warnings: Message[] + + path: string + external: boolean + sideEffects: boolean + namespace: string + suffix: string + pluginData: any +} + +export interface OnStartResult { + errors?: PartialMessage[] + warnings?: PartialMessage[] +} + +export interface OnEndResult { + errors?: PartialMessage[] + warnings?: PartialMessage[] +} + +/** Documentation: https://esbuild.github.io/plugins/#on-resolve-options */ +export interface OnResolveOptions { + filter: RegExp + namespace?: string +} + +/** Documentation: https://esbuild.github.io/plugins/#on-resolve-arguments */ +export interface OnResolveArgs { + path: string + importer: string + namespace: string + resolveDir: string + kind: ImportKind + pluginData: any + with: Record +} + +export type ImportKind = + | 'entry-point' + + // JS + | 'import-statement' + | 'require-call' + | 'dynamic-import' + | 'require-resolve' + + // CSS + | 'import-rule' + | 'composes-from' + | 'url-token' + +/** Documentation: https://esbuild.github.io/plugins/#on-resolve-results */ +export interface OnResolveResult { + pluginName?: string + + errors?: PartialMessage[] + warnings?: PartialMessage[] + + path?: string + external?: boolean + sideEffects?: boolean + namespace?: string + suffix?: string + pluginData?: any + + watchFiles?: string[] + watchDirs?: string[] +} + +/** Documentation: https://esbuild.github.io/plugins/#on-load-options */ +export interface OnLoadOptions { + filter: RegExp + namespace?: string +} + +/** Documentation: https://esbuild.github.io/plugins/#on-load-arguments */ +export interface OnLoadArgs { + path: string + namespace: string + suffix: string + pluginData: any + with: Record +} + +/** Documentation: https://esbuild.github.io/plugins/#on-load-results */ +export interface OnLoadResult { + pluginName?: string + + errors?: PartialMessage[] + warnings?: PartialMessage[] + + contents?: string | Uint8Array + resolveDir?: string + loader?: Loader + pluginData?: any + + watchFiles?: string[] + watchDirs?: string[] +} + +export interface PartialMessage { + id?: string + pluginName?: string + text?: string + location?: Partial | null + notes?: PartialNote[] + detail?: any +} + +export interface PartialNote { + text?: string + location?: Partial | null +} + +/** Documentation: https://esbuild.github.io/api/#metafile */ +export interface Metafile { + inputs: { + [path: string]: { + bytes: number + imports: { + path: string + kind: ImportKind + external?: boolean + original?: string + with?: Record + }[] + format?: 'cjs' | 'esm' + with?: Record + } + } + outputs: { + [path: string]: { + bytes: number + inputs: { + [path: string]: { + bytesInOutput: number + } + } + imports: { + path: string + kind: ImportKind | 'file-loader' + external?: boolean + }[] + exports: string[] + entryPoint?: string + cssBundle?: string + } + } +} + +export interface FormatMessagesOptions { + kind: 'error' | 'warning' + color?: boolean + terminalWidth?: number +} + +export interface AnalyzeMetafileOptions { + color?: boolean + verbose?: boolean +} + +/** Documentation: https://esbuild.github.io/api/#watch-arguments */ +export interface WatchOptions { + delay?: number // In milliseconds +} + +export interface BuildContext { + /** Documentation: https://esbuild.github.io/api/#rebuild */ + rebuild(): Promise> + + /** Documentation: https://esbuild.github.io/api/#watch */ + watch(options?: WatchOptions): Promise + + /** Documentation: https://esbuild.github.io/api/#serve */ + serve(options?: ServeOptions): Promise + + cancel(): Promise + dispose(): Promise +} + +// This is a TypeScript type-level function which replaces any keys in "In" +// that aren't in "Out" with "never". We use this to reject properties with +// typos in object literals. See: https://stackoverflow.com/questions/49580725 +type SameShape = In & { [Key in Exclude]: never } + +/** + * This function invokes the "esbuild" command-line tool for you. It returns a + * promise that either resolves with a "BuildResult" object or rejects with a + * "BuildFailure" object. + * + * - Works in node: yes + * - Works in browser: yes + * + * Documentation: https://esbuild.github.io/api/#build + */ +export declare function build(options: SameShape): Promise> + +/** + * This is the advanced long-running form of "build" that supports additional + * features such as watch mode and a local development server. + * + * - Works in node: yes + * - Works in browser: no + * + * Documentation: https://esbuild.github.io/api/#build + */ +export declare function context(options: SameShape): Promise> + +/** + * This function transforms a single JavaScript file. It can be used to minify + * JavaScript, convert TypeScript/JSX to JavaScript, or convert newer JavaScript + * to older JavaScript. It returns a promise that is either resolved with a + * "TransformResult" object or rejected with a "TransformFailure" object. + * + * - Works in node: yes + * - Works in browser: yes + * + * Documentation: https://esbuild.github.io/api/#transform + */ +export declare function transform(input: string | Uint8Array, options?: SameShape): Promise> + +/** + * Converts log messages to formatted message strings suitable for printing in + * the terminal. This allows you to reuse the built-in behavior of esbuild's + * log message formatter. This is a batch-oriented API for efficiency. + * + * - Works in node: yes + * - Works in browser: yes + */ +export declare function formatMessages(messages: PartialMessage[], options: FormatMessagesOptions): Promise + +/** + * Pretty-prints an analysis of the metafile JSON to a string. This is just for + * convenience to be able to match esbuild's pretty-printing exactly. If you want + * to customize it, you can just inspect the data in the metafile yourself. + * + * - Works in node: yes + * - Works in browser: yes + * + * Documentation: https://esbuild.github.io/api/#analyze + */ +export declare function analyzeMetafile(metafile: Metafile | string, options?: AnalyzeMetafileOptions): Promise + +/** + * A synchronous version of "build". + * + * - Works in node: yes + * - Works in browser: no + * + * Documentation: https://esbuild.github.io/api/#build + */ +export declare function buildSync(options: SameShape): BuildResult + +/** + * A synchronous version of "transform". + * + * - Works in node: yes + * - Works in browser: no + * + * Documentation: https://esbuild.github.io/api/#transform + */ +export declare function transformSync(input: string | Uint8Array, options?: SameShape): TransformResult + +/** + * A synchronous version of "formatMessages". + * + * - Works in node: yes + * - Works in browser: no + */ +export declare function formatMessagesSync(messages: PartialMessage[], options: FormatMessagesOptions): string[] + +/** + * A synchronous version of "analyzeMetafile". + * + * - Works in node: yes + * - Works in browser: no + * + * Documentation: https://esbuild.github.io/api/#analyze + */ +export declare function analyzeMetafileSync(metafile: Metafile | string, options?: AnalyzeMetafileOptions): string + +/** + * This configures the browser-based version of esbuild. It is necessary to + * call this first and wait for the returned promise to be resolved before + * making other API calls when using esbuild in the browser. + * + * - Works in node: yes + * - Works in browser: yes ("options" is required) + * + * Documentation: https://esbuild.github.io/api/#browser + */ +export declare function initialize(options: InitializeOptions): Promise + +export interface InitializeOptions { + /** + * The URL of the "esbuild.wasm" file. This must be provided when running + * esbuild in the browser. + */ + wasmURL?: string | URL + + /** + * The result of calling "new WebAssembly.Module(buffer)" where "buffer" + * is a typed array or ArrayBuffer containing the binary code of the + * "esbuild.wasm" file. + * + * You can use this as an alternative to "wasmURL" for environments where it's + * not possible to download the WebAssembly module. + */ + wasmModule?: WebAssembly.Module + + /** + * By default esbuild runs the WebAssembly-based browser API in a web worker + * to avoid blocking the UI thread. This can be disabled by setting "worker" + * to false. + */ + worker?: boolean +} + +export let version: string + +// Call this function to terminate esbuild's child process. The child process +// is not terminated and re-created after each API call because it's more +// efficient to keep it around when there are multiple API calls. +// +// In node this happens automatically before the parent node process exits. So +// you only need to call this if you know you will not make any more esbuild +// API calls and you want to clean up resources. +// +// Unlike node, Deno lacks the necessary APIs to clean up child processes +// automatically. You must manually call stop() in Deno when you're done +// using esbuild or Deno will continue running forever. +// +// Another reason you might want to call this is if you are using esbuild from +// within a Deno test. Deno fails tests that create a child process without +// killing it before the test ends, so you have to call this function (and +// await the returned promise) in every Deno test that uses esbuild. +export declare function stop(): Promise + +// Note: These declarations exist to avoid type errors when you omit "dom" from +// "lib" in your "tsconfig.json" file. TypeScript confusingly declares the +// global "WebAssembly" type in "lib.dom.d.ts" even though it has nothing to do +// with the browser DOM and is present in many non-browser JavaScript runtimes +// (e.g. node and deno). Declaring it here allows esbuild's API to be used in +// these scenarios. +// +// There's an open issue about getting this problem corrected (although these +// declarations will need to remain even if this is fixed for backward +// compatibility with older TypeScript versions): +// +// https://github.com/microsoft/TypeScript-DOM-lib-generator/issues/826 +// +declare global { + namespace WebAssembly { + interface Module { + } + } + interface URL { + } +} diff --git a/node_modules/esbuild/lib/main.js b/node_modules/esbuild/lib/main.js new file mode 100644 index 0000000..87aa87b --- /dev/null +++ b/node_modules/esbuild/lib/main.js @@ -0,0 +1,2242 @@ +"use strict"; +var __create = Object.create; +var __defProp = Object.defineProperty; +var __getOwnPropDesc = Object.getOwnPropertyDescriptor; +var __getOwnPropNames = Object.getOwnPropertyNames; +var __getProtoOf = Object.getPrototypeOf; +var __hasOwnProp = Object.prototype.hasOwnProperty; +var __export = (target, all) => { + for (var name in all) + __defProp(target, name, { get: all[name], enumerable: true }); +}; +var __copyProps = (to, from, except, desc) => { + if (from && typeof from === "object" || typeof from === "function") { + for (let key of __getOwnPropNames(from)) + if (!__hasOwnProp.call(to, key) && key !== except) + __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable }); + } + return to; +}; +var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps( + // If the importer is in node compatibility mode or this is not an ESM + // file that has been converted to a CommonJS file using a Babel- + // compatible transform (i.e. "__esModule" has not been set), then set + // "default" to the CommonJS "module.exports" for node compatibility. + isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target, + mod +)); +var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod); + +// lib/npm/node.ts +var node_exports = {}; +__export(node_exports, { + analyzeMetafile: () => analyzeMetafile, + analyzeMetafileSync: () => analyzeMetafileSync, + build: () => build, + buildSync: () => buildSync, + context: () => context, + default: () => node_default, + formatMessages: () => formatMessages, + formatMessagesSync: () => formatMessagesSync, + initialize: () => initialize, + stop: () => stop, + transform: () => transform, + transformSync: () => transformSync, + version: () => version +}); +module.exports = __toCommonJS(node_exports); + +// lib/shared/stdio_protocol.ts +function encodePacket(packet) { + let visit = (value) => { + if (value === null) { + bb.write8(0); + } else if (typeof value === "boolean") { + bb.write8(1); + bb.write8(+value); + } else if (typeof value === "number") { + bb.write8(2); + bb.write32(value | 0); + } else if (typeof value === "string") { + bb.write8(3); + bb.write(encodeUTF8(value)); + } else if (value instanceof Uint8Array) { + bb.write8(4); + bb.write(value); + } else if (value instanceof Array) { + bb.write8(5); + bb.write32(value.length); + for (let item of value) { + visit(item); + } + } else { + let keys = Object.keys(value); + bb.write8(6); + bb.write32(keys.length); + for (let key of keys) { + bb.write(encodeUTF8(key)); + visit(value[key]); + } + } + }; + let bb = new ByteBuffer(); + bb.write32(0); + bb.write32(packet.id << 1 | +!packet.isRequest); + visit(packet.value); + writeUInt32LE(bb.buf, bb.len - 4, 0); + return bb.buf.subarray(0, bb.len); +} +function decodePacket(bytes) { + let visit = () => { + switch (bb.read8()) { + case 0: + return null; + case 1: + return !!bb.read8(); + case 2: + return bb.read32(); + case 3: + return decodeUTF8(bb.read()); + case 4: + return bb.read(); + case 5: { + let count = bb.read32(); + let value2 = []; + for (let i = 0; i < count; i++) { + value2.push(visit()); + } + return value2; + } + case 6: { + let count = bb.read32(); + let value2 = {}; + for (let i = 0; i < count; i++) { + value2[decodeUTF8(bb.read())] = visit(); + } + return value2; + } + default: + throw new Error("Invalid packet"); + } + }; + let bb = new ByteBuffer(bytes); + let id = bb.read32(); + let isRequest = (id & 1) === 0; + id >>>= 1; + let value = visit(); + if (bb.ptr !== bytes.length) { + throw new Error("Invalid packet"); + } + return { id, isRequest, value }; +} +var ByteBuffer = class { + constructor(buf = new Uint8Array(1024)) { + this.buf = buf; + this.len = 0; + this.ptr = 0; + } + _write(delta) { + if (this.len + delta > this.buf.length) { + let clone = new Uint8Array((this.len + delta) * 2); + clone.set(this.buf); + this.buf = clone; + } + this.len += delta; + return this.len - delta; + } + write8(value) { + let offset = this._write(1); + this.buf[offset] = value; + } + write32(value) { + let offset = this._write(4); + writeUInt32LE(this.buf, value, offset); + } + write(bytes) { + let offset = this._write(4 + bytes.length); + writeUInt32LE(this.buf, bytes.length, offset); + this.buf.set(bytes, offset + 4); + } + _read(delta) { + if (this.ptr + delta > this.buf.length) { + throw new Error("Invalid packet"); + } + this.ptr += delta; + return this.ptr - delta; + } + read8() { + return this.buf[this._read(1)]; + } + read32() { + return readUInt32LE(this.buf, this._read(4)); + } + read() { + let length = this.read32(); + let bytes = new Uint8Array(length); + let ptr = this._read(bytes.length); + bytes.set(this.buf.subarray(ptr, ptr + length)); + return bytes; + } +}; +var encodeUTF8; +var decodeUTF8; +var encodeInvariant; +if (typeof TextEncoder !== "undefined" && typeof TextDecoder !== "undefined") { + let encoder = new TextEncoder(); + let decoder = new TextDecoder(); + encodeUTF8 = (text) => encoder.encode(text); + decodeUTF8 = (bytes) => decoder.decode(bytes); + encodeInvariant = 'new TextEncoder().encode("")'; +} else if (typeof Buffer !== "undefined") { + encodeUTF8 = (text) => Buffer.from(text); + decodeUTF8 = (bytes) => { + let { buffer, byteOffset, byteLength } = bytes; + return Buffer.from(buffer, byteOffset, byteLength).toString(); + }; + encodeInvariant = 'Buffer.from("")'; +} else { + throw new Error("No UTF-8 codec found"); +} +if (!(encodeUTF8("") instanceof Uint8Array)) + throw new Error(`Invariant violation: "${encodeInvariant} instanceof Uint8Array" is incorrectly false + +This indicates that your JavaScript environment is broken. You cannot use +esbuild in this environment because esbuild relies on this invariant. This +is not a problem with esbuild. You need to fix your environment instead. +`); +function readUInt32LE(buffer, offset) { + return buffer[offset++] | buffer[offset++] << 8 | buffer[offset++] << 16 | buffer[offset++] << 24; +} +function writeUInt32LE(buffer, value, offset) { + buffer[offset++] = value; + buffer[offset++] = value >> 8; + buffer[offset++] = value >> 16; + buffer[offset++] = value >> 24; +} + +// lib/shared/common.ts +var quote = JSON.stringify; +var buildLogLevelDefault = "warning"; +var transformLogLevelDefault = "silent"; +function validateAndJoinStringArray(values, what) { + const toJoin = []; + for (const value of values) { + validateStringValue(value, what); + if (value.indexOf(",") >= 0) throw new Error(`Invalid ${what}: ${value}`); + toJoin.push(value); + } + return toJoin.join(","); +} +var canBeAnything = () => null; +var mustBeBoolean = (value) => typeof value === "boolean" ? null : "a boolean"; +var mustBeString = (value) => typeof value === "string" ? null : "a string"; +var mustBeRegExp = (value) => value instanceof RegExp ? null : "a RegExp object"; +var mustBeInteger = (value) => typeof value === "number" && value === (value | 0) ? null : "an integer"; +var mustBeValidPortNumber = (value) => typeof value === "number" && value === (value | 0) && value >= 0 && value <= 65535 ? null : "a valid port number"; +var mustBeFunction = (value) => typeof value === "function" ? null : "a function"; +var mustBeArray = (value) => Array.isArray(value) ? null : "an array"; +var mustBeArrayOfStrings = (value) => Array.isArray(value) && value.every((x) => typeof x === "string") ? null : "an array of strings"; +var mustBeObject = (value) => typeof value === "object" && value !== null && !Array.isArray(value) ? null : "an object"; +var mustBeEntryPoints = (value) => typeof value === "object" && value !== null ? null : "an array or an object"; +var mustBeWebAssemblyModule = (value) => value instanceof WebAssembly.Module ? null : "a WebAssembly.Module"; +var mustBeObjectOrNull = (value) => typeof value === "object" && !Array.isArray(value) ? null : "an object or null"; +var mustBeStringOrBoolean = (value) => typeof value === "string" || typeof value === "boolean" ? null : "a string or a boolean"; +var mustBeStringOrObject = (value) => typeof value === "string" || typeof value === "object" && value !== null && !Array.isArray(value) ? null : "a string or an object"; +var mustBeStringOrArrayOfStrings = (value) => typeof value === "string" || Array.isArray(value) && value.every((x) => typeof x === "string") ? null : "a string or an array of strings"; +var mustBeStringOrUint8Array = (value) => typeof value === "string" || value instanceof Uint8Array ? null : "a string or a Uint8Array"; +var mustBeStringOrURL = (value) => typeof value === "string" || value instanceof URL ? null : "a string or a URL"; +function getFlag(object, keys, key, mustBeFn) { + let value = object[key]; + keys[key + ""] = true; + if (value === void 0) return void 0; + let mustBe = mustBeFn(value); + if (mustBe !== null) throw new Error(`${quote(key)} must be ${mustBe}`); + return value; +} +function checkForInvalidFlags(object, keys, where) { + for (let key in object) { + if (!(key in keys)) { + throw new Error(`Invalid option ${where}: ${quote(key)}`); + } + } +} +function validateInitializeOptions(options) { + let keys = /* @__PURE__ */ Object.create(null); + let wasmURL = getFlag(options, keys, "wasmURL", mustBeStringOrURL); + let wasmModule = getFlag(options, keys, "wasmModule", mustBeWebAssemblyModule); + let worker = getFlag(options, keys, "worker", mustBeBoolean); + checkForInvalidFlags(options, keys, "in initialize() call"); + return { + wasmURL, + wasmModule, + worker + }; +} +function validateMangleCache(mangleCache) { + let validated; + if (mangleCache !== void 0) { + validated = /* @__PURE__ */ Object.create(null); + for (let key in mangleCache) { + let value = mangleCache[key]; + if (typeof value === "string" || value === false) { + validated[key] = value; + } else { + throw new Error(`Expected ${quote(key)} in mangle cache to map to either a string or false`); + } + } + } + return validated; +} +function pushLogFlags(flags, options, keys, isTTY2, logLevelDefault) { + let color = getFlag(options, keys, "color", mustBeBoolean); + let logLevel = getFlag(options, keys, "logLevel", mustBeString); + let logLimit = getFlag(options, keys, "logLimit", mustBeInteger); + if (color !== void 0) flags.push(`--color=${color}`); + else if (isTTY2) flags.push(`--color=true`); + flags.push(`--log-level=${logLevel || logLevelDefault}`); + flags.push(`--log-limit=${logLimit || 0}`); +} +function validateStringValue(value, what, key) { + if (typeof value !== "string") { + throw new Error(`Expected value for ${what}${key !== void 0 ? " " + quote(key) : ""} to be a string, got ${typeof value} instead`); + } + return value; +} +function pushCommonFlags(flags, options, keys) { + let legalComments = getFlag(options, keys, "legalComments", mustBeString); + let sourceRoot = getFlag(options, keys, "sourceRoot", mustBeString); + let sourcesContent = getFlag(options, keys, "sourcesContent", mustBeBoolean); + let target = getFlag(options, keys, "target", mustBeStringOrArrayOfStrings); + let format = getFlag(options, keys, "format", mustBeString); + let globalName = getFlag(options, keys, "globalName", mustBeString); + let mangleProps = getFlag(options, keys, "mangleProps", mustBeRegExp); + let reserveProps = getFlag(options, keys, "reserveProps", mustBeRegExp); + let mangleQuoted = getFlag(options, keys, "mangleQuoted", mustBeBoolean); + let minify = getFlag(options, keys, "minify", mustBeBoolean); + let minifySyntax = getFlag(options, keys, "minifySyntax", mustBeBoolean); + let minifyWhitespace = getFlag(options, keys, "minifyWhitespace", mustBeBoolean); + let minifyIdentifiers = getFlag(options, keys, "minifyIdentifiers", mustBeBoolean); + let lineLimit = getFlag(options, keys, "lineLimit", mustBeInteger); + let drop = getFlag(options, keys, "drop", mustBeArrayOfStrings); + let dropLabels = getFlag(options, keys, "dropLabels", mustBeArrayOfStrings); + let charset = getFlag(options, keys, "charset", mustBeString); + let treeShaking = getFlag(options, keys, "treeShaking", mustBeBoolean); + let ignoreAnnotations = getFlag(options, keys, "ignoreAnnotations", mustBeBoolean); + let jsx = getFlag(options, keys, "jsx", mustBeString); + let jsxFactory = getFlag(options, keys, "jsxFactory", mustBeString); + let jsxFragment = getFlag(options, keys, "jsxFragment", mustBeString); + let jsxImportSource = getFlag(options, keys, "jsxImportSource", mustBeString); + let jsxDev = getFlag(options, keys, "jsxDev", mustBeBoolean); + let jsxSideEffects = getFlag(options, keys, "jsxSideEffects", mustBeBoolean); + let define = getFlag(options, keys, "define", mustBeObject); + let logOverride = getFlag(options, keys, "logOverride", mustBeObject); + let supported = getFlag(options, keys, "supported", mustBeObject); + let pure = getFlag(options, keys, "pure", mustBeArrayOfStrings); + let keepNames = getFlag(options, keys, "keepNames", mustBeBoolean); + let platform = getFlag(options, keys, "platform", mustBeString); + let tsconfigRaw = getFlag(options, keys, "tsconfigRaw", mustBeStringOrObject); + let absPaths = getFlag(options, keys, "absPaths", mustBeArrayOfStrings); + if (legalComments) flags.push(`--legal-comments=${legalComments}`); + if (sourceRoot !== void 0) flags.push(`--source-root=${sourceRoot}`); + if (sourcesContent !== void 0) flags.push(`--sources-content=${sourcesContent}`); + if (target) flags.push(`--target=${validateAndJoinStringArray(Array.isArray(target) ? target : [target], "target")}`); + if (format) flags.push(`--format=${format}`); + if (globalName) flags.push(`--global-name=${globalName}`); + if (platform) flags.push(`--platform=${platform}`); + if (tsconfigRaw) flags.push(`--tsconfig-raw=${typeof tsconfigRaw === "string" ? tsconfigRaw : JSON.stringify(tsconfigRaw)}`); + if (minify) flags.push("--minify"); + if (minifySyntax) flags.push("--minify-syntax"); + if (minifyWhitespace) flags.push("--minify-whitespace"); + if (minifyIdentifiers) flags.push("--minify-identifiers"); + if (lineLimit) flags.push(`--line-limit=${lineLimit}`); + if (charset) flags.push(`--charset=${charset}`); + if (treeShaking !== void 0) flags.push(`--tree-shaking=${treeShaking}`); + if (ignoreAnnotations) flags.push(`--ignore-annotations`); + if (drop) for (let what of drop) flags.push(`--drop:${validateStringValue(what, "drop")}`); + if (dropLabels) flags.push(`--drop-labels=${validateAndJoinStringArray(dropLabels, "drop label")}`); + if (absPaths) flags.push(`--abs-paths=${validateAndJoinStringArray(absPaths, "abs paths")}`); + if (mangleProps) flags.push(`--mangle-props=${jsRegExpToGoRegExp(mangleProps)}`); + if (reserveProps) flags.push(`--reserve-props=${jsRegExpToGoRegExp(reserveProps)}`); + if (mangleQuoted !== void 0) flags.push(`--mangle-quoted=${mangleQuoted}`); + if (jsx) flags.push(`--jsx=${jsx}`); + if (jsxFactory) flags.push(`--jsx-factory=${jsxFactory}`); + if (jsxFragment) flags.push(`--jsx-fragment=${jsxFragment}`); + if (jsxImportSource) flags.push(`--jsx-import-source=${jsxImportSource}`); + if (jsxDev) flags.push(`--jsx-dev`); + if (jsxSideEffects) flags.push(`--jsx-side-effects`); + if (define) { + for (let key in define) { + if (key.indexOf("=") >= 0) throw new Error(`Invalid define: ${key}`); + flags.push(`--define:${key}=${validateStringValue(define[key], "define", key)}`); + } + } + if (logOverride) { + for (let key in logOverride) { + if (key.indexOf("=") >= 0) throw new Error(`Invalid log override: ${key}`); + flags.push(`--log-override:${key}=${validateStringValue(logOverride[key], "log override", key)}`); + } + } + if (supported) { + for (let key in supported) { + if (key.indexOf("=") >= 0) throw new Error(`Invalid supported: ${key}`); + const value = supported[key]; + if (typeof value !== "boolean") throw new Error(`Expected value for supported ${quote(key)} to be a boolean, got ${typeof value} instead`); + flags.push(`--supported:${key}=${value}`); + } + } + if (pure) for (let fn of pure) flags.push(`--pure:${validateStringValue(fn, "pure")}`); + if (keepNames) flags.push(`--keep-names`); +} +function flagsForBuildOptions(callName, options, isTTY2, logLevelDefault, writeDefault) { + var _a2; + let flags = []; + let entries = []; + let keys = /* @__PURE__ */ Object.create(null); + let stdinContents = null; + let stdinResolveDir = null; + pushLogFlags(flags, options, keys, isTTY2, logLevelDefault); + pushCommonFlags(flags, options, keys); + let sourcemap = getFlag(options, keys, "sourcemap", mustBeStringOrBoolean); + let bundle = getFlag(options, keys, "bundle", mustBeBoolean); + let splitting = getFlag(options, keys, "splitting", mustBeBoolean); + let preserveSymlinks = getFlag(options, keys, "preserveSymlinks", mustBeBoolean); + let metafile = getFlag(options, keys, "metafile", mustBeBoolean); + let outfile = getFlag(options, keys, "outfile", mustBeString); + let outdir = getFlag(options, keys, "outdir", mustBeString); + let outbase = getFlag(options, keys, "outbase", mustBeString); + let tsconfig = getFlag(options, keys, "tsconfig", mustBeString); + let resolveExtensions = getFlag(options, keys, "resolveExtensions", mustBeArrayOfStrings); + let nodePathsInput = getFlag(options, keys, "nodePaths", mustBeArrayOfStrings); + let mainFields = getFlag(options, keys, "mainFields", mustBeArrayOfStrings); + let conditions = getFlag(options, keys, "conditions", mustBeArrayOfStrings); + let external = getFlag(options, keys, "external", mustBeArrayOfStrings); + let packages = getFlag(options, keys, "packages", mustBeString); + let alias = getFlag(options, keys, "alias", mustBeObject); + let loader = getFlag(options, keys, "loader", mustBeObject); + let outExtension = getFlag(options, keys, "outExtension", mustBeObject); + let publicPath = getFlag(options, keys, "publicPath", mustBeString); + let entryNames = getFlag(options, keys, "entryNames", mustBeString); + let chunkNames = getFlag(options, keys, "chunkNames", mustBeString); + let assetNames = getFlag(options, keys, "assetNames", mustBeString); + let inject = getFlag(options, keys, "inject", mustBeArrayOfStrings); + let banner = getFlag(options, keys, "banner", mustBeObject); + let footer = getFlag(options, keys, "footer", mustBeObject); + let entryPoints = getFlag(options, keys, "entryPoints", mustBeEntryPoints); + let absWorkingDir = getFlag(options, keys, "absWorkingDir", mustBeString); + let stdin = getFlag(options, keys, "stdin", mustBeObject); + let write = (_a2 = getFlag(options, keys, "write", mustBeBoolean)) != null ? _a2 : writeDefault; + let allowOverwrite = getFlag(options, keys, "allowOverwrite", mustBeBoolean); + let mangleCache = getFlag(options, keys, "mangleCache", mustBeObject); + keys.plugins = true; + checkForInvalidFlags(options, keys, `in ${callName}() call`); + if (sourcemap) flags.push(`--sourcemap${sourcemap === true ? "" : `=${sourcemap}`}`); + if (bundle) flags.push("--bundle"); + if (allowOverwrite) flags.push("--allow-overwrite"); + if (splitting) flags.push("--splitting"); + if (preserveSymlinks) flags.push("--preserve-symlinks"); + if (metafile) flags.push(`--metafile`); + if (outfile) flags.push(`--outfile=${outfile}`); + if (outdir) flags.push(`--outdir=${outdir}`); + if (outbase) flags.push(`--outbase=${outbase}`); + if (tsconfig) flags.push(`--tsconfig=${tsconfig}`); + if (packages) flags.push(`--packages=${packages}`); + if (resolveExtensions) flags.push(`--resolve-extensions=${validateAndJoinStringArray(resolveExtensions, "resolve extension")}`); + if (publicPath) flags.push(`--public-path=${publicPath}`); + if (entryNames) flags.push(`--entry-names=${entryNames}`); + if (chunkNames) flags.push(`--chunk-names=${chunkNames}`); + if (assetNames) flags.push(`--asset-names=${assetNames}`); + if (mainFields) flags.push(`--main-fields=${validateAndJoinStringArray(mainFields, "main field")}`); + if (conditions) flags.push(`--conditions=${validateAndJoinStringArray(conditions, "condition")}`); + if (external) for (let name of external) flags.push(`--external:${validateStringValue(name, "external")}`); + if (alias) { + for (let old in alias) { + if (old.indexOf("=") >= 0) throw new Error(`Invalid package name in alias: ${old}`); + flags.push(`--alias:${old}=${validateStringValue(alias[old], "alias", old)}`); + } + } + if (banner) { + for (let type in banner) { + if (type.indexOf("=") >= 0) throw new Error(`Invalid banner file type: ${type}`); + flags.push(`--banner:${type}=${validateStringValue(banner[type], "banner", type)}`); + } + } + if (footer) { + for (let type in footer) { + if (type.indexOf("=") >= 0) throw new Error(`Invalid footer file type: ${type}`); + flags.push(`--footer:${type}=${validateStringValue(footer[type], "footer", type)}`); + } + } + if (inject) for (let path3 of inject) flags.push(`--inject:${validateStringValue(path3, "inject")}`); + if (loader) { + for (let ext in loader) { + if (ext.indexOf("=") >= 0) throw new Error(`Invalid loader extension: ${ext}`); + flags.push(`--loader:${ext}=${validateStringValue(loader[ext], "loader", ext)}`); + } + } + if (outExtension) { + for (let ext in outExtension) { + if (ext.indexOf("=") >= 0) throw new Error(`Invalid out extension: ${ext}`); + flags.push(`--out-extension:${ext}=${validateStringValue(outExtension[ext], "out extension", ext)}`); + } + } + if (entryPoints) { + if (Array.isArray(entryPoints)) { + for (let i = 0, n = entryPoints.length; i < n; i++) { + let entryPoint = entryPoints[i]; + if (typeof entryPoint === "object" && entryPoint !== null) { + let entryPointKeys = /* @__PURE__ */ Object.create(null); + let input = getFlag(entryPoint, entryPointKeys, "in", mustBeString); + let output = getFlag(entryPoint, entryPointKeys, "out", mustBeString); + checkForInvalidFlags(entryPoint, entryPointKeys, "in entry point at index " + i); + if (input === void 0) throw new Error('Missing property "in" for entry point at index ' + i); + if (output === void 0) throw new Error('Missing property "out" for entry point at index ' + i); + entries.push([output, input]); + } else { + entries.push(["", validateStringValue(entryPoint, "entry point at index " + i)]); + } + } + } else { + for (let key in entryPoints) { + entries.push([key, validateStringValue(entryPoints[key], "entry point", key)]); + } + } + } + if (stdin) { + let stdinKeys = /* @__PURE__ */ Object.create(null); + let contents = getFlag(stdin, stdinKeys, "contents", mustBeStringOrUint8Array); + let resolveDir = getFlag(stdin, stdinKeys, "resolveDir", mustBeString); + let sourcefile = getFlag(stdin, stdinKeys, "sourcefile", mustBeString); + let loader2 = getFlag(stdin, stdinKeys, "loader", mustBeString); + checkForInvalidFlags(stdin, stdinKeys, 'in "stdin" object'); + if (sourcefile) flags.push(`--sourcefile=${sourcefile}`); + if (loader2) flags.push(`--loader=${loader2}`); + if (resolveDir) stdinResolveDir = resolveDir; + if (typeof contents === "string") stdinContents = encodeUTF8(contents); + else if (contents instanceof Uint8Array) stdinContents = contents; + } + let nodePaths = []; + if (nodePathsInput) { + for (let value of nodePathsInput) { + value += ""; + nodePaths.push(value); + } + } + return { + entries, + flags, + write, + stdinContents, + stdinResolveDir, + absWorkingDir, + nodePaths, + mangleCache: validateMangleCache(mangleCache) + }; +} +function flagsForTransformOptions(callName, options, isTTY2, logLevelDefault) { + let flags = []; + let keys = /* @__PURE__ */ Object.create(null); + pushLogFlags(flags, options, keys, isTTY2, logLevelDefault); + pushCommonFlags(flags, options, keys); + let sourcemap = getFlag(options, keys, "sourcemap", mustBeStringOrBoolean); + let sourcefile = getFlag(options, keys, "sourcefile", mustBeString); + let loader = getFlag(options, keys, "loader", mustBeString); + let banner = getFlag(options, keys, "banner", mustBeString); + let footer = getFlag(options, keys, "footer", mustBeString); + let mangleCache = getFlag(options, keys, "mangleCache", mustBeObject); + checkForInvalidFlags(options, keys, `in ${callName}() call`); + if (sourcemap) flags.push(`--sourcemap=${sourcemap === true ? "external" : sourcemap}`); + if (sourcefile) flags.push(`--sourcefile=${sourcefile}`); + if (loader) flags.push(`--loader=${loader}`); + if (banner) flags.push(`--banner=${banner}`); + if (footer) flags.push(`--footer=${footer}`); + return { + flags, + mangleCache: validateMangleCache(mangleCache) + }; +} +function createChannel(streamIn) { + const requestCallbacksByKey = {}; + const closeData = { didClose: false, reason: "" }; + let responseCallbacks = {}; + let nextRequestID = 0; + let nextBuildKey = 0; + let stdout = new Uint8Array(16 * 1024); + let stdoutUsed = 0; + let readFromStdout = (chunk) => { + let limit = stdoutUsed + chunk.length; + if (limit > stdout.length) { + let swap = new Uint8Array(limit * 2); + swap.set(stdout); + stdout = swap; + } + stdout.set(chunk, stdoutUsed); + stdoutUsed += chunk.length; + let offset = 0; + while (offset + 4 <= stdoutUsed) { + let length = readUInt32LE(stdout, offset); + if (offset + 4 + length > stdoutUsed) { + break; + } + offset += 4; + handleIncomingPacket(stdout.subarray(offset, offset + length)); + offset += length; + } + if (offset > 0) { + stdout.copyWithin(0, offset, stdoutUsed); + stdoutUsed -= offset; + } + }; + let afterClose = (error) => { + closeData.didClose = true; + if (error) closeData.reason = ": " + (error.message || error); + const text = "The service was stopped" + closeData.reason; + for (let id in responseCallbacks) { + responseCallbacks[id](text, null); + } + responseCallbacks = {}; + }; + let sendRequest = (refs, value, callback) => { + if (closeData.didClose) return callback("The service is no longer running" + closeData.reason, null); + let id = nextRequestID++; + responseCallbacks[id] = (error, response) => { + try { + callback(error, response); + } finally { + if (refs) refs.unref(); + } + }; + if (refs) refs.ref(); + streamIn.writeToStdin(encodePacket({ id, isRequest: true, value })); + }; + let sendResponse = (id, value) => { + if (closeData.didClose) throw new Error("The service is no longer running" + closeData.reason); + streamIn.writeToStdin(encodePacket({ id, isRequest: false, value })); + }; + let handleRequest = async (id, request) => { + try { + if (request.command === "ping") { + sendResponse(id, {}); + return; + } + if (typeof request.key === "number") { + const requestCallbacks = requestCallbacksByKey[request.key]; + if (!requestCallbacks) { + return; + } + const callback = requestCallbacks[request.command]; + if (callback) { + await callback(id, request); + return; + } + } + throw new Error(`Invalid command: ` + request.command); + } catch (e) { + const errors = [extractErrorMessageV8(e, streamIn, null, void 0, "")]; + try { + sendResponse(id, { errors }); + } catch { + } + } + }; + let isFirstPacket = true; + let handleIncomingPacket = (bytes) => { + if (isFirstPacket) { + isFirstPacket = false; + let binaryVersion = String.fromCharCode(...bytes); + if (binaryVersion !== "0.25.12") { + throw new Error(`Cannot start service: Host version "${"0.25.12"}" does not match binary version ${quote(binaryVersion)}`); + } + return; + } + let packet = decodePacket(bytes); + if (packet.isRequest) { + handleRequest(packet.id, packet.value); + } else { + let callback = responseCallbacks[packet.id]; + delete responseCallbacks[packet.id]; + if (packet.value.error) callback(packet.value.error, {}); + else callback(null, packet.value); + } + }; + let buildOrContext = ({ callName, refs, options, isTTY: isTTY2, defaultWD: defaultWD2, callback }) => { + let refCount = 0; + const buildKey = nextBuildKey++; + const requestCallbacks = {}; + const buildRefs = { + ref() { + if (++refCount === 1) { + if (refs) refs.ref(); + } + }, + unref() { + if (--refCount === 0) { + delete requestCallbacksByKey[buildKey]; + if (refs) refs.unref(); + } + } + }; + requestCallbacksByKey[buildKey] = requestCallbacks; + buildRefs.ref(); + buildOrContextImpl( + callName, + buildKey, + sendRequest, + sendResponse, + buildRefs, + streamIn, + requestCallbacks, + options, + isTTY2, + defaultWD2, + (err, res) => { + try { + callback(err, res); + } finally { + buildRefs.unref(); + } + } + ); + }; + let transform2 = ({ callName, refs, input, options, isTTY: isTTY2, fs: fs3, callback }) => { + const details = createObjectStash(); + let start = (inputPath) => { + try { + if (typeof input !== "string" && !(input instanceof Uint8Array)) + throw new Error('The input to "transform" must be a string or a Uint8Array'); + let { + flags, + mangleCache + } = flagsForTransformOptions(callName, options, isTTY2, transformLogLevelDefault); + let request = { + command: "transform", + flags, + inputFS: inputPath !== null, + input: inputPath !== null ? encodeUTF8(inputPath) : typeof input === "string" ? encodeUTF8(input) : input + }; + if (mangleCache) request.mangleCache = mangleCache; + sendRequest(refs, request, (error, response) => { + if (error) return callback(new Error(error), null); + let errors = replaceDetailsInMessages(response.errors, details); + let warnings = replaceDetailsInMessages(response.warnings, details); + let outstanding = 1; + let next = () => { + if (--outstanding === 0) { + let result = { + warnings, + code: response.code, + map: response.map, + mangleCache: void 0, + legalComments: void 0 + }; + if ("legalComments" in response) result.legalComments = response == null ? void 0 : response.legalComments; + if (response.mangleCache) result.mangleCache = response == null ? void 0 : response.mangleCache; + callback(null, result); + } + }; + if (errors.length > 0) return callback(failureErrorWithLog("Transform failed", errors, warnings), null); + if (response.codeFS) { + outstanding++; + fs3.readFile(response.code, (err, contents) => { + if (err !== null) { + callback(err, null); + } else { + response.code = contents; + next(); + } + }); + } + if (response.mapFS) { + outstanding++; + fs3.readFile(response.map, (err, contents) => { + if (err !== null) { + callback(err, null); + } else { + response.map = contents; + next(); + } + }); + } + next(); + }); + } catch (e) { + let flags = []; + try { + pushLogFlags(flags, options, {}, isTTY2, transformLogLevelDefault); + } catch { + } + const error = extractErrorMessageV8(e, streamIn, details, void 0, ""); + sendRequest(refs, { command: "error", flags, error }, () => { + error.detail = details.load(error.detail); + callback(failureErrorWithLog("Transform failed", [error], []), null); + }); + } + }; + if ((typeof input === "string" || input instanceof Uint8Array) && input.length > 1024 * 1024) { + let next = start; + start = () => fs3.writeFile(input, next); + } + start(null); + }; + let formatMessages2 = ({ callName, refs, messages, options, callback }) => { + if (!options) throw new Error(`Missing second argument in ${callName}() call`); + let keys = {}; + let kind = getFlag(options, keys, "kind", mustBeString); + let color = getFlag(options, keys, "color", mustBeBoolean); + let terminalWidth = getFlag(options, keys, "terminalWidth", mustBeInteger); + checkForInvalidFlags(options, keys, `in ${callName}() call`); + if (kind === void 0) throw new Error(`Missing "kind" in ${callName}() call`); + if (kind !== "error" && kind !== "warning") throw new Error(`Expected "kind" to be "error" or "warning" in ${callName}() call`); + let request = { + command: "format-msgs", + messages: sanitizeMessages(messages, "messages", null, "", terminalWidth), + isWarning: kind === "warning" + }; + if (color !== void 0) request.color = color; + if (terminalWidth !== void 0) request.terminalWidth = terminalWidth; + sendRequest(refs, request, (error, response) => { + if (error) return callback(new Error(error), null); + callback(null, response.messages); + }); + }; + let analyzeMetafile2 = ({ callName, refs, metafile, options, callback }) => { + if (options === void 0) options = {}; + let keys = {}; + let color = getFlag(options, keys, "color", mustBeBoolean); + let verbose = getFlag(options, keys, "verbose", mustBeBoolean); + checkForInvalidFlags(options, keys, `in ${callName}() call`); + let request = { + command: "analyze-metafile", + metafile + }; + if (color !== void 0) request.color = color; + if (verbose !== void 0) request.verbose = verbose; + sendRequest(refs, request, (error, response) => { + if (error) return callback(new Error(error), null); + callback(null, response.result); + }); + }; + return { + readFromStdout, + afterClose, + service: { + buildOrContext, + transform: transform2, + formatMessages: formatMessages2, + analyzeMetafile: analyzeMetafile2 + } + }; +} +function buildOrContextImpl(callName, buildKey, sendRequest, sendResponse, refs, streamIn, requestCallbacks, options, isTTY2, defaultWD2, callback) { + const details = createObjectStash(); + const isContext = callName === "context"; + const handleError = (e, pluginName) => { + const flags = []; + try { + pushLogFlags(flags, options, {}, isTTY2, buildLogLevelDefault); + } catch { + } + const message = extractErrorMessageV8(e, streamIn, details, void 0, pluginName); + sendRequest(refs, { command: "error", flags, error: message }, () => { + message.detail = details.load(message.detail); + callback(failureErrorWithLog(isContext ? "Context failed" : "Build failed", [message], []), null); + }); + }; + let plugins; + if (typeof options === "object") { + const value = options.plugins; + if (value !== void 0) { + if (!Array.isArray(value)) return handleError(new Error(`"plugins" must be an array`), ""); + plugins = value; + } + } + if (plugins && plugins.length > 0) { + if (streamIn.isSync) return handleError(new Error("Cannot use plugins in synchronous API calls"), ""); + handlePlugins( + buildKey, + sendRequest, + sendResponse, + refs, + streamIn, + requestCallbacks, + options, + plugins, + details + ).then( + (result) => { + if (!result.ok) return handleError(result.error, result.pluginName); + try { + buildOrContextContinue(result.requestPlugins, result.runOnEndCallbacks, result.scheduleOnDisposeCallbacks); + } catch (e) { + handleError(e, ""); + } + }, + (e) => handleError(e, "") + ); + return; + } + try { + buildOrContextContinue(null, (result, done) => done([], []), () => { + }); + } catch (e) { + handleError(e, ""); + } + function buildOrContextContinue(requestPlugins, runOnEndCallbacks, scheduleOnDisposeCallbacks) { + const writeDefault = streamIn.hasFS; + const { + entries, + flags, + write, + stdinContents, + stdinResolveDir, + absWorkingDir, + nodePaths, + mangleCache + } = flagsForBuildOptions(callName, options, isTTY2, buildLogLevelDefault, writeDefault); + if (write && !streamIn.hasFS) throw new Error(`The "write" option is unavailable in this environment`); + const request = { + command: "build", + key: buildKey, + entries, + flags, + write, + stdinContents, + stdinResolveDir, + absWorkingDir: absWorkingDir || defaultWD2, + nodePaths, + context: isContext + }; + if (requestPlugins) request.plugins = requestPlugins; + if (mangleCache) request.mangleCache = mangleCache; + const buildResponseToResult = (response, callback2) => { + const result = { + errors: replaceDetailsInMessages(response.errors, details), + warnings: replaceDetailsInMessages(response.warnings, details), + outputFiles: void 0, + metafile: void 0, + mangleCache: void 0 + }; + const originalErrors = result.errors.slice(); + const originalWarnings = result.warnings.slice(); + if (response.outputFiles) result.outputFiles = response.outputFiles.map(convertOutputFiles); + if (response.metafile) result.metafile = JSON.parse(response.metafile); + if (response.mangleCache) result.mangleCache = response.mangleCache; + if (response.writeToStdout !== void 0) console.log(decodeUTF8(response.writeToStdout).replace(/\n$/, "")); + runOnEndCallbacks(result, (onEndErrors, onEndWarnings) => { + if (originalErrors.length > 0 || onEndErrors.length > 0) { + const error = failureErrorWithLog("Build failed", originalErrors.concat(onEndErrors), originalWarnings.concat(onEndWarnings)); + return callback2(error, null, onEndErrors, onEndWarnings); + } + callback2(null, result, onEndErrors, onEndWarnings); + }); + }; + let latestResultPromise; + let provideLatestResult; + if (isContext) + requestCallbacks["on-end"] = (id, request2) => new Promise((resolve) => { + buildResponseToResult(request2, (err, result, onEndErrors, onEndWarnings) => { + const response = { + errors: onEndErrors, + warnings: onEndWarnings + }; + if (provideLatestResult) provideLatestResult(err, result); + latestResultPromise = void 0; + provideLatestResult = void 0; + sendResponse(id, response); + resolve(); + }); + }); + sendRequest(refs, request, (error, response) => { + if (error) return callback(new Error(error), null); + if (!isContext) { + return buildResponseToResult(response, (err, res) => { + scheduleOnDisposeCallbacks(); + return callback(err, res); + }); + } + if (response.errors.length > 0) { + return callback(failureErrorWithLog("Context failed", response.errors, response.warnings), null); + } + let didDispose = false; + const result = { + rebuild: () => { + if (!latestResultPromise) latestResultPromise = new Promise((resolve, reject) => { + let settlePromise; + provideLatestResult = (err, result2) => { + if (!settlePromise) settlePromise = () => err ? reject(err) : resolve(result2); + }; + const triggerAnotherBuild = () => { + const request2 = { + command: "rebuild", + key: buildKey + }; + sendRequest(refs, request2, (error2, response2) => { + if (error2) { + reject(new Error(error2)); + } else if (settlePromise) { + settlePromise(); + } else { + triggerAnotherBuild(); + } + }); + }; + triggerAnotherBuild(); + }); + return latestResultPromise; + }, + watch: (options2 = {}) => new Promise((resolve, reject) => { + if (!streamIn.hasFS) throw new Error(`Cannot use the "watch" API in this environment`); + const keys = {}; + const delay = getFlag(options2, keys, "delay", mustBeInteger); + checkForInvalidFlags(options2, keys, `in watch() call`); + const request2 = { + command: "watch", + key: buildKey + }; + if (delay) request2.delay = delay; + sendRequest(refs, request2, (error2) => { + if (error2) reject(new Error(error2)); + else resolve(void 0); + }); + }), + serve: (options2 = {}) => new Promise((resolve, reject) => { + if (!streamIn.hasFS) throw new Error(`Cannot use the "serve" API in this environment`); + const keys = {}; + const port = getFlag(options2, keys, "port", mustBeValidPortNumber); + const host = getFlag(options2, keys, "host", mustBeString); + const servedir = getFlag(options2, keys, "servedir", mustBeString); + const keyfile = getFlag(options2, keys, "keyfile", mustBeString); + const certfile = getFlag(options2, keys, "certfile", mustBeString); + const fallback = getFlag(options2, keys, "fallback", mustBeString); + const cors = getFlag(options2, keys, "cors", mustBeObject); + const onRequest = getFlag(options2, keys, "onRequest", mustBeFunction); + checkForInvalidFlags(options2, keys, `in serve() call`); + const request2 = { + command: "serve", + key: buildKey, + onRequest: !!onRequest + }; + if (port !== void 0) request2.port = port; + if (host !== void 0) request2.host = host; + if (servedir !== void 0) request2.servedir = servedir; + if (keyfile !== void 0) request2.keyfile = keyfile; + if (certfile !== void 0) request2.certfile = certfile; + if (fallback !== void 0) request2.fallback = fallback; + if (cors) { + const corsKeys = {}; + const origin = getFlag(cors, corsKeys, "origin", mustBeStringOrArrayOfStrings); + checkForInvalidFlags(cors, corsKeys, `on "cors" object`); + if (Array.isArray(origin)) request2.corsOrigin = origin; + else if (origin !== void 0) request2.corsOrigin = [origin]; + } + sendRequest(refs, request2, (error2, response2) => { + if (error2) return reject(new Error(error2)); + if (onRequest) { + requestCallbacks["serve-request"] = (id, request3) => { + onRequest(request3.args); + sendResponse(id, {}); + }; + } + resolve(response2); + }); + }), + cancel: () => new Promise((resolve) => { + if (didDispose) return resolve(); + const request2 = { + command: "cancel", + key: buildKey + }; + sendRequest(refs, request2, () => { + resolve(); + }); + }), + dispose: () => new Promise((resolve) => { + if (didDispose) return resolve(); + didDispose = true; + const request2 = { + command: "dispose", + key: buildKey + }; + sendRequest(refs, request2, () => { + resolve(); + scheduleOnDisposeCallbacks(); + refs.unref(); + }); + }) + }; + refs.ref(); + callback(null, result); + }); + } +} +var handlePlugins = async (buildKey, sendRequest, sendResponse, refs, streamIn, requestCallbacks, initialOptions, plugins, details) => { + let onStartCallbacks = []; + let onEndCallbacks = []; + let onResolveCallbacks = {}; + let onLoadCallbacks = {}; + let onDisposeCallbacks = []; + let nextCallbackID = 0; + let i = 0; + let requestPlugins = []; + let isSetupDone = false; + plugins = [...plugins]; + for (let item of plugins) { + let keys = {}; + if (typeof item !== "object") throw new Error(`Plugin at index ${i} must be an object`); + const name = getFlag(item, keys, "name", mustBeString); + if (typeof name !== "string" || name === "") throw new Error(`Plugin at index ${i} is missing a name`); + try { + let setup = getFlag(item, keys, "setup", mustBeFunction); + if (typeof setup !== "function") throw new Error(`Plugin is missing a setup function`); + checkForInvalidFlags(item, keys, `on plugin ${quote(name)}`); + let plugin = { + name, + onStart: false, + onEnd: false, + onResolve: [], + onLoad: [] + }; + i++; + let resolve = (path3, options = {}) => { + if (!isSetupDone) throw new Error('Cannot call "resolve" before plugin setup has completed'); + if (typeof path3 !== "string") throw new Error(`The path to resolve must be a string`); + let keys2 = /* @__PURE__ */ Object.create(null); + let pluginName = getFlag(options, keys2, "pluginName", mustBeString); + let importer = getFlag(options, keys2, "importer", mustBeString); + let namespace = getFlag(options, keys2, "namespace", mustBeString); + let resolveDir = getFlag(options, keys2, "resolveDir", mustBeString); + let kind = getFlag(options, keys2, "kind", mustBeString); + let pluginData = getFlag(options, keys2, "pluginData", canBeAnything); + let importAttributes = getFlag(options, keys2, "with", mustBeObject); + checkForInvalidFlags(options, keys2, "in resolve() call"); + return new Promise((resolve2, reject) => { + const request = { + command: "resolve", + path: path3, + key: buildKey, + pluginName: name + }; + if (pluginName != null) request.pluginName = pluginName; + if (importer != null) request.importer = importer; + if (namespace != null) request.namespace = namespace; + if (resolveDir != null) request.resolveDir = resolveDir; + if (kind != null) request.kind = kind; + else throw new Error(`Must specify "kind" when calling "resolve"`); + if (pluginData != null) request.pluginData = details.store(pluginData); + if (importAttributes != null) request.with = sanitizeStringMap(importAttributes, "with"); + sendRequest(refs, request, (error, response) => { + if (error !== null) reject(new Error(error)); + else resolve2({ + errors: replaceDetailsInMessages(response.errors, details), + warnings: replaceDetailsInMessages(response.warnings, details), + path: response.path, + external: response.external, + sideEffects: response.sideEffects, + namespace: response.namespace, + suffix: response.suffix, + pluginData: details.load(response.pluginData) + }); + }); + }); + }; + let promise = setup({ + initialOptions, + resolve, + onStart(callback) { + let registeredText = `This error came from the "onStart" callback registered here:`; + let registeredNote = extractCallerV8(new Error(registeredText), streamIn, "onStart"); + onStartCallbacks.push({ name, callback, note: registeredNote }); + plugin.onStart = true; + }, + onEnd(callback) { + let registeredText = `This error came from the "onEnd" callback registered here:`; + let registeredNote = extractCallerV8(new Error(registeredText), streamIn, "onEnd"); + onEndCallbacks.push({ name, callback, note: registeredNote }); + plugin.onEnd = true; + }, + onResolve(options, callback) { + let registeredText = `This error came from the "onResolve" callback registered here:`; + let registeredNote = extractCallerV8(new Error(registeredText), streamIn, "onResolve"); + let keys2 = {}; + let filter = getFlag(options, keys2, "filter", mustBeRegExp); + let namespace = getFlag(options, keys2, "namespace", mustBeString); + checkForInvalidFlags(options, keys2, `in onResolve() call for plugin ${quote(name)}`); + if (filter == null) throw new Error(`onResolve() call is missing a filter`); + let id = nextCallbackID++; + onResolveCallbacks[id] = { name, callback, note: registeredNote }; + plugin.onResolve.push({ id, filter: jsRegExpToGoRegExp(filter), namespace: namespace || "" }); + }, + onLoad(options, callback) { + let registeredText = `This error came from the "onLoad" callback registered here:`; + let registeredNote = extractCallerV8(new Error(registeredText), streamIn, "onLoad"); + let keys2 = {}; + let filter = getFlag(options, keys2, "filter", mustBeRegExp); + let namespace = getFlag(options, keys2, "namespace", mustBeString); + checkForInvalidFlags(options, keys2, `in onLoad() call for plugin ${quote(name)}`); + if (filter == null) throw new Error(`onLoad() call is missing a filter`); + let id = nextCallbackID++; + onLoadCallbacks[id] = { name, callback, note: registeredNote }; + plugin.onLoad.push({ id, filter: jsRegExpToGoRegExp(filter), namespace: namespace || "" }); + }, + onDispose(callback) { + onDisposeCallbacks.push(callback); + }, + esbuild: streamIn.esbuild + }); + if (promise) await promise; + requestPlugins.push(plugin); + } catch (e) { + return { ok: false, error: e, pluginName: name }; + } + } + requestCallbacks["on-start"] = async (id, request) => { + details.clear(); + let response = { errors: [], warnings: [] }; + await Promise.all(onStartCallbacks.map(async ({ name, callback, note }) => { + try { + let result = await callback(); + if (result != null) { + if (typeof result !== "object") throw new Error(`Expected onStart() callback in plugin ${quote(name)} to return an object`); + let keys = {}; + let errors = getFlag(result, keys, "errors", mustBeArray); + let warnings = getFlag(result, keys, "warnings", mustBeArray); + checkForInvalidFlags(result, keys, `from onStart() callback in plugin ${quote(name)}`); + if (errors != null) response.errors.push(...sanitizeMessages(errors, "errors", details, name, void 0)); + if (warnings != null) response.warnings.push(...sanitizeMessages(warnings, "warnings", details, name, void 0)); + } + } catch (e) { + response.errors.push(extractErrorMessageV8(e, streamIn, details, note && note(), name)); + } + })); + sendResponse(id, response); + }; + requestCallbacks["on-resolve"] = async (id, request) => { + let response = {}, name = "", callback, note; + for (let id2 of request.ids) { + try { + ({ name, callback, note } = onResolveCallbacks[id2]); + let result = await callback({ + path: request.path, + importer: request.importer, + namespace: request.namespace, + resolveDir: request.resolveDir, + kind: request.kind, + pluginData: details.load(request.pluginData), + with: request.with + }); + if (result != null) { + if (typeof result !== "object") throw new Error(`Expected onResolve() callback in plugin ${quote(name)} to return an object`); + let keys = {}; + let pluginName = getFlag(result, keys, "pluginName", mustBeString); + let path3 = getFlag(result, keys, "path", mustBeString); + let namespace = getFlag(result, keys, "namespace", mustBeString); + let suffix = getFlag(result, keys, "suffix", mustBeString); + let external = getFlag(result, keys, "external", mustBeBoolean); + let sideEffects = getFlag(result, keys, "sideEffects", mustBeBoolean); + let pluginData = getFlag(result, keys, "pluginData", canBeAnything); + let errors = getFlag(result, keys, "errors", mustBeArray); + let warnings = getFlag(result, keys, "warnings", mustBeArray); + let watchFiles = getFlag(result, keys, "watchFiles", mustBeArrayOfStrings); + let watchDirs = getFlag(result, keys, "watchDirs", mustBeArrayOfStrings); + checkForInvalidFlags(result, keys, `from onResolve() callback in plugin ${quote(name)}`); + response.id = id2; + if (pluginName != null) response.pluginName = pluginName; + if (path3 != null) response.path = path3; + if (namespace != null) response.namespace = namespace; + if (suffix != null) response.suffix = suffix; + if (external != null) response.external = external; + if (sideEffects != null) response.sideEffects = sideEffects; + if (pluginData != null) response.pluginData = details.store(pluginData); + if (errors != null) response.errors = sanitizeMessages(errors, "errors", details, name, void 0); + if (warnings != null) response.warnings = sanitizeMessages(warnings, "warnings", details, name, void 0); + if (watchFiles != null) response.watchFiles = sanitizeStringArray(watchFiles, "watchFiles"); + if (watchDirs != null) response.watchDirs = sanitizeStringArray(watchDirs, "watchDirs"); + break; + } + } catch (e) { + response = { id: id2, errors: [extractErrorMessageV8(e, streamIn, details, note && note(), name)] }; + break; + } + } + sendResponse(id, response); + }; + requestCallbacks["on-load"] = async (id, request) => { + let response = {}, name = "", callback, note; + for (let id2 of request.ids) { + try { + ({ name, callback, note } = onLoadCallbacks[id2]); + let result = await callback({ + path: request.path, + namespace: request.namespace, + suffix: request.suffix, + pluginData: details.load(request.pluginData), + with: request.with + }); + if (result != null) { + if (typeof result !== "object") throw new Error(`Expected onLoad() callback in plugin ${quote(name)} to return an object`); + let keys = {}; + let pluginName = getFlag(result, keys, "pluginName", mustBeString); + let contents = getFlag(result, keys, "contents", mustBeStringOrUint8Array); + let resolveDir = getFlag(result, keys, "resolveDir", mustBeString); + let pluginData = getFlag(result, keys, "pluginData", canBeAnything); + let loader = getFlag(result, keys, "loader", mustBeString); + let errors = getFlag(result, keys, "errors", mustBeArray); + let warnings = getFlag(result, keys, "warnings", mustBeArray); + let watchFiles = getFlag(result, keys, "watchFiles", mustBeArrayOfStrings); + let watchDirs = getFlag(result, keys, "watchDirs", mustBeArrayOfStrings); + checkForInvalidFlags(result, keys, `from onLoad() callback in plugin ${quote(name)}`); + response.id = id2; + if (pluginName != null) response.pluginName = pluginName; + if (contents instanceof Uint8Array) response.contents = contents; + else if (contents != null) response.contents = encodeUTF8(contents); + if (resolveDir != null) response.resolveDir = resolveDir; + if (pluginData != null) response.pluginData = details.store(pluginData); + if (loader != null) response.loader = loader; + if (errors != null) response.errors = sanitizeMessages(errors, "errors", details, name, void 0); + if (warnings != null) response.warnings = sanitizeMessages(warnings, "warnings", details, name, void 0); + if (watchFiles != null) response.watchFiles = sanitizeStringArray(watchFiles, "watchFiles"); + if (watchDirs != null) response.watchDirs = sanitizeStringArray(watchDirs, "watchDirs"); + break; + } + } catch (e) { + response = { id: id2, errors: [extractErrorMessageV8(e, streamIn, details, note && note(), name)] }; + break; + } + } + sendResponse(id, response); + }; + let runOnEndCallbacks = (result, done) => done([], []); + if (onEndCallbacks.length > 0) { + runOnEndCallbacks = (result, done) => { + (async () => { + const onEndErrors = []; + const onEndWarnings = []; + for (const { name, callback, note } of onEndCallbacks) { + let newErrors; + let newWarnings; + try { + const value = await callback(result); + if (value != null) { + if (typeof value !== "object") throw new Error(`Expected onEnd() callback in plugin ${quote(name)} to return an object`); + let keys = {}; + let errors = getFlag(value, keys, "errors", mustBeArray); + let warnings = getFlag(value, keys, "warnings", mustBeArray); + checkForInvalidFlags(value, keys, `from onEnd() callback in plugin ${quote(name)}`); + if (errors != null) newErrors = sanitizeMessages(errors, "errors", details, name, void 0); + if (warnings != null) newWarnings = sanitizeMessages(warnings, "warnings", details, name, void 0); + } + } catch (e) { + newErrors = [extractErrorMessageV8(e, streamIn, details, note && note(), name)]; + } + if (newErrors) { + onEndErrors.push(...newErrors); + try { + result.errors.push(...newErrors); + } catch { + } + } + if (newWarnings) { + onEndWarnings.push(...newWarnings); + try { + result.warnings.push(...newWarnings); + } catch { + } + } + } + done(onEndErrors, onEndWarnings); + })(); + }; + } + let scheduleOnDisposeCallbacks = () => { + for (const cb of onDisposeCallbacks) { + setTimeout(() => cb(), 0); + } + }; + isSetupDone = true; + return { + ok: true, + requestPlugins, + runOnEndCallbacks, + scheduleOnDisposeCallbacks + }; +}; +function createObjectStash() { + const map = /* @__PURE__ */ new Map(); + let nextID = 0; + return { + clear() { + map.clear(); + }, + load(id) { + return map.get(id); + }, + store(value) { + if (value === void 0) return -1; + const id = nextID++; + map.set(id, value); + return id; + } + }; +} +function extractCallerV8(e, streamIn, ident) { + let note; + let tried = false; + return () => { + if (tried) return note; + tried = true; + try { + let lines = (e.stack + "").split("\n"); + lines.splice(1, 1); + let location = parseStackLinesV8(streamIn, lines, ident); + if (location) { + note = { text: e.message, location }; + return note; + } + } catch { + } + }; +} +function extractErrorMessageV8(e, streamIn, stash, note, pluginName) { + let text = "Internal error"; + let location = null; + try { + text = (e && e.message || e) + ""; + } catch { + } + try { + location = parseStackLinesV8(streamIn, (e.stack + "").split("\n"), ""); + } catch { + } + return { id: "", pluginName, text, location, notes: note ? [note] : [], detail: stash ? stash.store(e) : -1 }; +} +function parseStackLinesV8(streamIn, lines, ident) { + let at = " at "; + if (streamIn.readFileSync && !lines[0].startsWith(at) && lines[1].startsWith(at)) { + for (let i = 1; i < lines.length; i++) { + let line = lines[i]; + if (!line.startsWith(at)) continue; + line = line.slice(at.length); + while (true) { + let match = /^(?:new |async )?\S+ \((.*)\)$/.exec(line); + if (match) { + line = match[1]; + continue; + } + match = /^eval at \S+ \((.*)\)(?:, \S+:\d+:\d+)?$/.exec(line); + if (match) { + line = match[1]; + continue; + } + match = /^(\S+):(\d+):(\d+)$/.exec(line); + if (match) { + let contents; + try { + contents = streamIn.readFileSync(match[1], "utf8"); + } catch { + break; + } + let lineText = contents.split(/\r\n|\r|\n|\u2028|\u2029/)[+match[2] - 1] || ""; + let column = +match[3] - 1; + let length = lineText.slice(column, column + ident.length) === ident ? ident.length : 0; + return { + file: match[1], + namespace: "file", + line: +match[2], + column: encodeUTF8(lineText.slice(0, column)).length, + length: encodeUTF8(lineText.slice(column, column + length)).length, + lineText: lineText + "\n" + lines.slice(1).join("\n"), + suggestion: "" + }; + } + break; + } + } + } + return null; +} +function failureErrorWithLog(text, errors, warnings) { + let limit = 5; + text += errors.length < 1 ? "" : ` with ${errors.length} error${errors.length < 2 ? "" : "s"}:` + errors.slice(0, limit + 1).map((e, i) => { + if (i === limit) return "\n..."; + if (!e.location) return ` +error: ${e.text}`; + let { file, line, column } = e.location; + let pluginText = e.pluginName ? `[plugin: ${e.pluginName}] ` : ""; + return ` +${file}:${line}:${column}: ERROR: ${pluginText}${e.text}`; + }).join(""); + let error = new Error(text); + for (const [key, value] of [["errors", errors], ["warnings", warnings]]) { + Object.defineProperty(error, key, { + configurable: true, + enumerable: true, + get: () => value, + set: (value2) => Object.defineProperty(error, key, { + configurable: true, + enumerable: true, + value: value2 + }) + }); + } + return error; +} +function replaceDetailsInMessages(messages, stash) { + for (const message of messages) { + message.detail = stash.load(message.detail); + } + return messages; +} +function sanitizeLocation(location, where, terminalWidth) { + if (location == null) return null; + let keys = {}; + let file = getFlag(location, keys, "file", mustBeString); + let namespace = getFlag(location, keys, "namespace", mustBeString); + let line = getFlag(location, keys, "line", mustBeInteger); + let column = getFlag(location, keys, "column", mustBeInteger); + let length = getFlag(location, keys, "length", mustBeInteger); + let lineText = getFlag(location, keys, "lineText", mustBeString); + let suggestion = getFlag(location, keys, "suggestion", mustBeString); + checkForInvalidFlags(location, keys, where); + if (lineText) { + const relevantASCII = lineText.slice( + 0, + (column && column > 0 ? column : 0) + (length && length > 0 ? length : 0) + (terminalWidth && terminalWidth > 0 ? terminalWidth : 80) + ); + if (!/[\x7F-\uFFFF]/.test(relevantASCII) && !/\n/.test(lineText)) { + lineText = relevantASCII; + } + } + return { + file: file || "", + namespace: namespace || "", + line: line || 0, + column: column || 0, + length: length || 0, + lineText: lineText || "", + suggestion: suggestion || "" + }; +} +function sanitizeMessages(messages, property, stash, fallbackPluginName, terminalWidth) { + let messagesClone = []; + let index = 0; + for (const message of messages) { + let keys = {}; + let id = getFlag(message, keys, "id", mustBeString); + let pluginName = getFlag(message, keys, "pluginName", mustBeString); + let text = getFlag(message, keys, "text", mustBeString); + let location = getFlag(message, keys, "location", mustBeObjectOrNull); + let notes = getFlag(message, keys, "notes", mustBeArray); + let detail = getFlag(message, keys, "detail", canBeAnything); + let where = `in element ${index} of "${property}"`; + checkForInvalidFlags(message, keys, where); + let notesClone = []; + if (notes) { + for (const note of notes) { + let noteKeys = {}; + let noteText = getFlag(note, noteKeys, "text", mustBeString); + let noteLocation = getFlag(note, noteKeys, "location", mustBeObjectOrNull); + checkForInvalidFlags(note, noteKeys, where); + notesClone.push({ + text: noteText || "", + location: sanitizeLocation(noteLocation, where, terminalWidth) + }); + } + } + messagesClone.push({ + id: id || "", + pluginName: pluginName || fallbackPluginName, + text: text || "", + location: sanitizeLocation(location, where, terminalWidth), + notes: notesClone, + detail: stash ? stash.store(detail) : -1 + }); + index++; + } + return messagesClone; +} +function sanitizeStringArray(values, property) { + const result = []; + for (const value of values) { + if (typeof value !== "string") throw new Error(`${quote(property)} must be an array of strings`); + result.push(value); + } + return result; +} +function sanitizeStringMap(map, property) { + const result = /* @__PURE__ */ Object.create(null); + for (const key in map) { + const value = map[key]; + if (typeof value !== "string") throw new Error(`key ${quote(key)} in object ${quote(property)} must be a string`); + result[key] = value; + } + return result; +} +function convertOutputFiles({ path: path3, contents, hash }) { + let text = null; + return { + path: path3, + contents, + hash, + get text() { + const binary = this.contents; + if (text === null || binary !== contents) { + contents = binary; + text = decodeUTF8(binary); + } + return text; + } + }; +} +function jsRegExpToGoRegExp(regexp) { + let result = regexp.source; + if (regexp.flags) result = `(?${regexp.flags})${result}`; + return result; +} + +// lib/npm/node-platform.ts +var fs = require("fs"); +var os = require("os"); +var path = require("path"); +var ESBUILD_BINARY_PATH = process.env.ESBUILD_BINARY_PATH || ESBUILD_BINARY_PATH; +var isValidBinaryPath = (x) => !!x && x !== "/usr/bin/esbuild"; +var packageDarwin_arm64 = "@esbuild/darwin-arm64"; +var packageDarwin_x64 = "@esbuild/darwin-x64"; +var knownWindowsPackages = { + "win32 arm64 LE": "@esbuild/win32-arm64", + "win32 ia32 LE": "@esbuild/win32-ia32", + "win32 x64 LE": "@esbuild/win32-x64" +}; +var knownUnixlikePackages = { + "aix ppc64 BE": "@esbuild/aix-ppc64", + "android arm64 LE": "@esbuild/android-arm64", + "darwin arm64 LE": "@esbuild/darwin-arm64", + "darwin x64 LE": "@esbuild/darwin-x64", + "freebsd arm64 LE": "@esbuild/freebsd-arm64", + "freebsd x64 LE": "@esbuild/freebsd-x64", + "linux arm LE": "@esbuild/linux-arm", + "linux arm64 LE": "@esbuild/linux-arm64", + "linux ia32 LE": "@esbuild/linux-ia32", + "linux mips64el LE": "@esbuild/linux-mips64el", + "linux ppc64 LE": "@esbuild/linux-ppc64", + "linux riscv64 LE": "@esbuild/linux-riscv64", + "linux s390x BE": "@esbuild/linux-s390x", + "linux x64 LE": "@esbuild/linux-x64", + "linux loong64 LE": "@esbuild/linux-loong64", + "netbsd arm64 LE": "@esbuild/netbsd-arm64", + "netbsd x64 LE": "@esbuild/netbsd-x64", + "openbsd arm64 LE": "@esbuild/openbsd-arm64", + "openbsd x64 LE": "@esbuild/openbsd-x64", + "sunos x64 LE": "@esbuild/sunos-x64" +}; +var knownWebAssemblyFallbackPackages = { + "android arm LE": "@esbuild/android-arm", + "android x64 LE": "@esbuild/android-x64", + "openharmony arm64 LE": "@esbuild/openharmony-arm64" +}; +function pkgAndSubpathForCurrentPlatform() { + let pkg; + let subpath; + let isWASM = false; + let platformKey = `${process.platform} ${os.arch()} ${os.endianness()}`; + if (platformKey in knownWindowsPackages) { + pkg = knownWindowsPackages[platformKey]; + subpath = "esbuild.exe"; + } else if (platformKey in knownUnixlikePackages) { + pkg = knownUnixlikePackages[platformKey]; + subpath = "bin/esbuild"; + } else if (platformKey in knownWebAssemblyFallbackPackages) { + pkg = knownWebAssemblyFallbackPackages[platformKey]; + subpath = "bin/esbuild"; + isWASM = true; + } else { + throw new Error(`Unsupported platform: ${platformKey}`); + } + return { pkg, subpath, isWASM }; +} +function pkgForSomeOtherPlatform() { + const libMainJS = require.resolve("esbuild"); + const nodeModulesDirectory = path.dirname(path.dirname(path.dirname(libMainJS))); + if (path.basename(nodeModulesDirectory) === "node_modules") { + for (const unixKey in knownUnixlikePackages) { + try { + const pkg = knownUnixlikePackages[unixKey]; + if (fs.existsSync(path.join(nodeModulesDirectory, pkg))) return pkg; + } catch { + } + } + for (const windowsKey in knownWindowsPackages) { + try { + const pkg = knownWindowsPackages[windowsKey]; + if (fs.existsSync(path.join(nodeModulesDirectory, pkg))) return pkg; + } catch { + } + } + } + return null; +} +function downloadedBinPath(pkg, subpath) { + const esbuildLibDir = path.dirname(require.resolve("esbuild")); + return path.join(esbuildLibDir, `downloaded-${pkg.replace("/", "-")}-${path.basename(subpath)}`); +} +function generateBinPath() { + if (isValidBinaryPath(ESBUILD_BINARY_PATH)) { + if (!fs.existsSync(ESBUILD_BINARY_PATH)) { + console.warn(`[esbuild] Ignoring bad configuration: ESBUILD_BINARY_PATH=${ESBUILD_BINARY_PATH}`); + } else { + return { binPath: ESBUILD_BINARY_PATH, isWASM: false }; + } + } + const { pkg, subpath, isWASM } = pkgAndSubpathForCurrentPlatform(); + let binPath; + try { + binPath = require.resolve(`${pkg}/${subpath}`); + } catch (e) { + binPath = downloadedBinPath(pkg, subpath); + if (!fs.existsSync(binPath)) { + try { + require.resolve(pkg); + } catch { + const otherPkg = pkgForSomeOtherPlatform(); + if (otherPkg) { + let suggestions = ` +Specifically the "${otherPkg}" package is present but this platform +needs the "${pkg}" package instead. People often get into this +situation by installing esbuild on Windows or macOS and copying "node_modules" +into a Docker image that runs Linux, or by copying "node_modules" between +Windows and WSL environments. + +If you are installing with npm, you can try not copying the "node_modules" +directory when you copy the files over, and running "npm ci" or "npm install" +on the destination platform after the copy. Or you could consider using yarn +instead of npm which has built-in support for installing a package on multiple +platforms simultaneously. + +If you are installing with yarn, you can try listing both this platform and the +other platform in your ".yarnrc.yml" file using the "supportedArchitectures" +feature: https://yarnpkg.com/configuration/yarnrc/#supportedArchitectures +Keep in mind that this means multiple copies of esbuild will be present. +`; + if (pkg === packageDarwin_x64 && otherPkg === packageDarwin_arm64 || pkg === packageDarwin_arm64 && otherPkg === packageDarwin_x64) { + suggestions = ` +Specifically the "${otherPkg}" package is present but this platform +needs the "${pkg}" package instead. People often get into this +situation by installing esbuild with npm running inside of Rosetta 2 and then +trying to use it with node running outside of Rosetta 2, or vice versa (Rosetta +2 is Apple's on-the-fly x86_64-to-arm64 translation service). + +If you are installing with npm, you can try ensuring that both npm and node are +not running under Rosetta 2 and then reinstalling esbuild. This likely involves +changing how you installed npm and/or node. For example, installing node with +the universal installer here should work: https://nodejs.org/en/download/. Or +you could consider using yarn instead of npm which has built-in support for +installing a package on multiple platforms simultaneously. + +If you are installing with yarn, you can try listing both "arm64" and "x64" +in your ".yarnrc.yml" file using the "supportedArchitectures" feature: +https://yarnpkg.com/configuration/yarnrc/#supportedArchitectures +Keep in mind that this means multiple copies of esbuild will be present. +`; + } + throw new Error(` +You installed esbuild for another platform than the one you're currently using. +This won't work because esbuild is written with native code and needs to +install a platform-specific binary executable. +${suggestions} +Another alternative is to use the "esbuild-wasm" package instead, which works +the same way on all platforms. But it comes with a heavy performance cost and +can sometimes be 10x slower than the "esbuild" package, so you may also not +want to do that. +`); + } + throw new Error(`The package "${pkg}" could not be found, and is needed by esbuild. + +If you are installing esbuild with npm, make sure that you don't specify the +"--no-optional" or "--omit=optional" flags. The "optionalDependencies" feature +of "package.json" is used by esbuild to install the correct binary executable +for your current platform.`); + } + throw e; + } + } + if (/\.zip\//.test(binPath)) { + let pnpapi; + try { + pnpapi = require("pnpapi"); + } catch (e) { + } + if (pnpapi) { + const root = pnpapi.getPackageInformation(pnpapi.topLevel).packageLocation; + const binTargetPath = path.join( + root, + "node_modules", + ".cache", + "esbuild", + `pnpapi-${pkg.replace("/", "-")}-${"0.25.12"}-${path.basename(subpath)}` + ); + if (!fs.existsSync(binTargetPath)) { + fs.mkdirSync(path.dirname(binTargetPath), { recursive: true }); + fs.copyFileSync(binPath, binTargetPath); + fs.chmodSync(binTargetPath, 493); + } + return { binPath: binTargetPath, isWASM }; + } + } + return { binPath, isWASM }; +} + +// lib/npm/node.ts +var child_process = require("child_process"); +var crypto = require("crypto"); +var path2 = require("path"); +var fs2 = require("fs"); +var os2 = require("os"); +var tty = require("tty"); +var worker_threads; +if (process.env.ESBUILD_WORKER_THREADS !== "0") { + try { + worker_threads = require("worker_threads"); + } catch { + } + let [major, minor] = process.versions.node.split("."); + if ( + // { + if ((!ESBUILD_BINARY_PATH || false) && (path2.basename(__filename) !== "main.js" || path2.basename(__dirname) !== "lib")) { + throw new Error( + `The esbuild JavaScript API cannot be bundled. Please mark the "esbuild" package as external so it's not included in the bundle. + +More information: The file containing the code for esbuild's JavaScript API (${__filename}) does not appear to be inside the esbuild package on the file system, which usually means that the esbuild package was bundled into another file. This is problematic because the API needs to run a binary executable inside the esbuild package which is located using a relative path from the API code to the executable. If the esbuild package is bundled, the relative path will be incorrect and the executable won't be found.` + ); + } + if (false) { + return ["node", [path2.join(__dirname, "..", "bin", "esbuild")]]; + } else { + const { binPath, isWASM } = generateBinPath(); + if (isWASM) { + return ["node", [binPath]]; + } else { + return [binPath, []]; + } + } +}; +var isTTY = () => tty.isatty(2); +var fsSync = { + readFile(tempFile, callback) { + try { + let contents = fs2.readFileSync(tempFile, "utf8"); + try { + fs2.unlinkSync(tempFile); + } catch { + } + callback(null, contents); + } catch (err) { + callback(err, null); + } + }, + writeFile(contents, callback) { + try { + let tempFile = randomFileName(); + fs2.writeFileSync(tempFile, contents); + callback(tempFile); + } catch { + callback(null); + } + } +}; +var fsAsync = { + readFile(tempFile, callback) { + try { + fs2.readFile(tempFile, "utf8", (err, contents) => { + try { + fs2.unlink(tempFile, () => callback(err, contents)); + } catch { + callback(err, contents); + } + }); + } catch (err) { + callback(err, null); + } + }, + writeFile(contents, callback) { + try { + let tempFile = randomFileName(); + fs2.writeFile(tempFile, contents, (err) => err !== null ? callback(null) : callback(tempFile)); + } catch { + callback(null); + } + } +}; +var version = "0.25.12"; +var build = (options) => ensureServiceIsRunning().build(options); +var context = (buildOptions) => ensureServiceIsRunning().context(buildOptions); +var transform = (input, options) => ensureServiceIsRunning().transform(input, options); +var formatMessages = (messages, options) => ensureServiceIsRunning().formatMessages(messages, options); +var analyzeMetafile = (messages, options) => ensureServiceIsRunning().analyzeMetafile(messages, options); +var buildSync = (options) => { + if (worker_threads && !isInternalWorkerThread) { + if (!workerThreadService) workerThreadService = startWorkerThreadService(worker_threads); + return workerThreadService.buildSync(options); + } + let result; + runServiceSync((service) => service.buildOrContext({ + callName: "buildSync", + refs: null, + options, + isTTY: isTTY(), + defaultWD, + callback: (err, res) => { + if (err) throw err; + result = res; + } + })); + return result; +}; +var transformSync = (input, options) => { + if (worker_threads && !isInternalWorkerThread) { + if (!workerThreadService) workerThreadService = startWorkerThreadService(worker_threads); + return workerThreadService.transformSync(input, options); + } + let result; + runServiceSync((service) => service.transform({ + callName: "transformSync", + refs: null, + input, + options: options || {}, + isTTY: isTTY(), + fs: fsSync, + callback: (err, res) => { + if (err) throw err; + result = res; + } + })); + return result; +}; +var formatMessagesSync = (messages, options) => { + if (worker_threads && !isInternalWorkerThread) { + if (!workerThreadService) workerThreadService = startWorkerThreadService(worker_threads); + return workerThreadService.formatMessagesSync(messages, options); + } + let result; + runServiceSync((service) => service.formatMessages({ + callName: "formatMessagesSync", + refs: null, + messages, + options, + callback: (err, res) => { + if (err) throw err; + result = res; + } + })); + return result; +}; +var analyzeMetafileSync = (metafile, options) => { + if (worker_threads && !isInternalWorkerThread) { + if (!workerThreadService) workerThreadService = startWorkerThreadService(worker_threads); + return workerThreadService.analyzeMetafileSync(metafile, options); + } + let result; + runServiceSync((service) => service.analyzeMetafile({ + callName: "analyzeMetafileSync", + refs: null, + metafile: typeof metafile === "string" ? metafile : JSON.stringify(metafile), + options, + callback: (err, res) => { + if (err) throw err; + result = res; + } + })); + return result; +}; +var stop = () => { + if (stopService) stopService(); + if (workerThreadService) workerThreadService.stop(); + return Promise.resolve(); +}; +var initializeWasCalled = false; +var initialize = (options) => { + options = validateInitializeOptions(options || {}); + if (options.wasmURL) throw new Error(`The "wasmURL" option only works in the browser`); + if (options.wasmModule) throw new Error(`The "wasmModule" option only works in the browser`); + if (options.worker) throw new Error(`The "worker" option only works in the browser`); + if (initializeWasCalled) throw new Error('Cannot call "initialize" more than once'); + ensureServiceIsRunning(); + initializeWasCalled = true; + return Promise.resolve(); +}; +var defaultWD = process.cwd(); +var longLivedService; +var stopService; +var ensureServiceIsRunning = () => { + if (longLivedService) return longLivedService; + let [command, args] = esbuildCommandAndArgs(); + let child = child_process.spawn(command, args.concat(`--service=${"0.25.12"}`, "--ping"), { + windowsHide: true, + stdio: ["pipe", "pipe", "inherit"], + cwd: defaultWD + }); + let { readFromStdout, afterClose, service } = createChannel({ + writeToStdin(bytes) { + child.stdin.write(bytes, (err) => { + if (err) afterClose(err); + }); + }, + readFileSync: fs2.readFileSync, + isSync: false, + hasFS: true, + esbuild: node_exports + }); + child.stdin.on("error", afterClose); + child.on("error", afterClose); + const stdin = child.stdin; + const stdout = child.stdout; + stdout.on("data", readFromStdout); + stdout.on("end", afterClose); + stopService = () => { + stdin.destroy(); + stdout.destroy(); + child.kill(); + initializeWasCalled = false; + longLivedService = void 0; + stopService = void 0; + }; + let refCount = 0; + child.unref(); + if (stdin.unref) { + stdin.unref(); + } + if (stdout.unref) { + stdout.unref(); + } + const refs = { + ref() { + if (++refCount === 1) child.ref(); + }, + unref() { + if (--refCount === 0) child.unref(); + } + }; + longLivedService = { + build: (options) => new Promise((resolve, reject) => { + service.buildOrContext({ + callName: "build", + refs, + options, + isTTY: isTTY(), + defaultWD, + callback: (err, res) => err ? reject(err) : resolve(res) + }); + }), + context: (options) => new Promise((resolve, reject) => service.buildOrContext({ + callName: "context", + refs, + options, + isTTY: isTTY(), + defaultWD, + callback: (err, res) => err ? reject(err) : resolve(res) + })), + transform: (input, options) => new Promise((resolve, reject) => service.transform({ + callName: "transform", + refs, + input, + options: options || {}, + isTTY: isTTY(), + fs: fsAsync, + callback: (err, res) => err ? reject(err) : resolve(res) + })), + formatMessages: (messages, options) => new Promise((resolve, reject) => service.formatMessages({ + callName: "formatMessages", + refs, + messages, + options, + callback: (err, res) => err ? reject(err) : resolve(res) + })), + analyzeMetafile: (metafile, options) => new Promise((resolve, reject) => service.analyzeMetafile({ + callName: "analyzeMetafile", + refs, + metafile: typeof metafile === "string" ? metafile : JSON.stringify(metafile), + options, + callback: (err, res) => err ? reject(err) : resolve(res) + })) + }; + return longLivedService; +}; +var runServiceSync = (callback) => { + let [command, args] = esbuildCommandAndArgs(); + let stdin = new Uint8Array(); + let { readFromStdout, afterClose, service } = createChannel({ + writeToStdin(bytes) { + if (stdin.length !== 0) throw new Error("Must run at most one command"); + stdin = bytes; + }, + isSync: true, + hasFS: true, + esbuild: node_exports + }); + callback(service); + let stdout = child_process.execFileSync(command, args.concat(`--service=${"0.25.12"}`), { + cwd: defaultWD, + windowsHide: true, + input: stdin, + // We don't know how large the output could be. If it's too large, the + // command will fail with ENOBUFS. Reserve 16mb for now since that feels + // like it should be enough. Also allow overriding this with an environment + // variable. + maxBuffer: +process.env.ESBUILD_MAX_BUFFER || 16 * 1024 * 1024 + }); + readFromStdout(stdout); + afterClose(null); +}; +var randomFileName = () => { + return path2.join(os2.tmpdir(), `esbuild-${crypto.randomBytes(32).toString("hex")}`); +}; +var workerThreadService = null; +var startWorkerThreadService = (worker_threads2) => { + let { port1: mainPort, port2: workerPort } = new worker_threads2.MessageChannel(); + let worker = new worker_threads2.Worker(__filename, { + workerData: { workerPort, defaultWD, esbuildVersion: "0.25.12" }, + transferList: [workerPort], + // From node's documentation: https://nodejs.org/api/worker_threads.html + // + // Take care when launching worker threads from preload scripts (scripts loaded + // and run using the `-r` command line flag). Unless the `execArgv` option is + // explicitly set, new Worker threads automatically inherit the command line flags + // from the running process and will preload the same preload scripts as the main + // thread. If the preload script unconditionally launches a worker thread, every + // thread spawned will spawn another until the application crashes. + // + execArgv: [] + }); + let nextID = 0; + let fakeBuildError = (text) => { + let error = new Error(`Build failed with 1 error: +error: ${text}`); + let errors = [{ id: "", pluginName: "", text, location: null, notes: [], detail: void 0 }]; + error.errors = errors; + error.warnings = []; + return error; + }; + let validateBuildSyncOptions = (options) => { + if (!options) return; + let plugins = options.plugins; + if (plugins && plugins.length > 0) throw fakeBuildError(`Cannot use plugins in synchronous API calls`); + }; + let applyProperties = (object, properties) => { + for (let key in properties) { + object[key] = properties[key]; + } + }; + let runCallSync = (command, args) => { + let id = nextID++; + let sharedBuffer = new SharedArrayBuffer(8); + let sharedBufferView = new Int32Array(sharedBuffer); + let msg = { sharedBuffer, id, command, args }; + worker.postMessage(msg); + let status = Atomics.wait(sharedBufferView, 0, 0); + if (status !== "ok" && status !== "not-equal") throw new Error("Internal error: Atomics.wait() failed: " + status); + let { message: { id: id2, resolve, reject, properties } } = worker_threads2.receiveMessageOnPort(mainPort); + if (id !== id2) throw new Error(`Internal error: Expected id ${id} but got id ${id2}`); + if (reject) { + applyProperties(reject, properties); + throw reject; + } + return resolve; + }; + worker.unref(); + return { + buildSync(options) { + validateBuildSyncOptions(options); + return runCallSync("build", [options]); + }, + transformSync(input, options) { + return runCallSync("transform", [input, options]); + }, + formatMessagesSync(messages, options) { + return runCallSync("formatMessages", [messages, options]); + }, + analyzeMetafileSync(metafile, options) { + return runCallSync("analyzeMetafile", [metafile, options]); + }, + stop() { + worker.terminate(); + workerThreadService = null; + } + }; +}; +var startSyncServiceWorker = () => { + let workerPort = worker_threads.workerData.workerPort; + let parentPort = worker_threads.parentPort; + let extractProperties = (object) => { + let properties = {}; + if (object && typeof object === "object") { + for (let key in object) { + properties[key] = object[key]; + } + } + return properties; + }; + try { + let service = ensureServiceIsRunning(); + defaultWD = worker_threads.workerData.defaultWD; + parentPort.on("message", (msg) => { + (async () => { + let { sharedBuffer, id, command, args } = msg; + let sharedBufferView = new Int32Array(sharedBuffer); + try { + switch (command) { + case "build": + workerPort.postMessage({ id, resolve: await service.build(args[0]) }); + break; + case "transform": + workerPort.postMessage({ id, resolve: await service.transform(args[0], args[1]) }); + break; + case "formatMessages": + workerPort.postMessage({ id, resolve: await service.formatMessages(args[0], args[1]) }); + break; + case "analyzeMetafile": + workerPort.postMessage({ id, resolve: await service.analyzeMetafile(args[0], args[1]) }); + break; + default: + throw new Error(`Invalid command: ${command}`); + } + } catch (reject) { + workerPort.postMessage({ id, reject, properties: extractProperties(reject) }); + } + Atomics.add(sharedBufferView, 0, 1); + Atomics.notify(sharedBufferView, 0, Infinity); + })(); + }); + } catch (reject) { + parentPort.on("message", (msg) => { + let { sharedBuffer, id } = msg; + let sharedBufferView = new Int32Array(sharedBuffer); + workerPort.postMessage({ id, reject, properties: extractProperties(reject) }); + Atomics.add(sharedBufferView, 0, 1); + Atomics.notify(sharedBufferView, 0, Infinity); + }); + } +}; +if (isInternalWorkerThread) { + startSyncServiceWorker(); +} +var node_default = node_exports; +// Annotate the CommonJS export names for ESM import in node: +0 && (module.exports = { + analyzeMetafile, + analyzeMetafileSync, + build, + buildSync, + context, + formatMessages, + formatMessagesSync, + initialize, + stop, + transform, + transformSync, + version +}); diff --git a/node_modules/esbuild/package.json b/node_modules/esbuild/package.json new file mode 100644 index 0000000..afe58fd --- /dev/null +++ b/node_modules/esbuild/package.json @@ -0,0 +1,49 @@ +{ + "name": "esbuild", + "version": "0.25.12", + "description": "An extremely fast JavaScript and CSS bundler and minifier.", + "repository": { + "type": "git", + "url": "git+https://github.com/evanw/esbuild.git" + }, + "scripts": { + "postinstall": "node install.js" + }, + "main": "lib/main.js", + "types": "lib/main.d.ts", + "engines": { + "node": ">=18" + }, + "bin": { + "esbuild": "bin/esbuild" + }, + "optionalDependencies": { + "@esbuild/aix-ppc64": "0.25.12", + "@esbuild/android-arm": "0.25.12", + "@esbuild/android-arm64": "0.25.12", + "@esbuild/android-x64": "0.25.12", + "@esbuild/darwin-arm64": "0.25.12", + "@esbuild/darwin-x64": "0.25.12", + "@esbuild/freebsd-arm64": "0.25.12", + "@esbuild/freebsd-x64": "0.25.12", + "@esbuild/linux-arm": "0.25.12", + "@esbuild/linux-arm64": "0.25.12", + "@esbuild/linux-ia32": "0.25.12", + "@esbuild/linux-loong64": "0.25.12", + "@esbuild/linux-mips64el": "0.25.12", + "@esbuild/linux-ppc64": "0.25.12", + "@esbuild/linux-riscv64": "0.25.12", + "@esbuild/linux-s390x": "0.25.12", + "@esbuild/linux-x64": "0.25.12", + "@esbuild/netbsd-arm64": "0.25.12", + "@esbuild/netbsd-x64": "0.25.12", + "@esbuild/openbsd-arm64": "0.25.12", + "@esbuild/openbsd-x64": "0.25.12", + "@esbuild/openharmony-arm64": "0.25.12", + "@esbuild/sunos-x64": "0.25.12", + "@esbuild/win32-arm64": "0.25.12", + "@esbuild/win32-ia32": "0.25.12", + "@esbuild/win32-x64": "0.25.12" + }, + "license": "MIT" +} diff --git a/node_modules/fdir/LICENSE b/node_modules/fdir/LICENSE new file mode 100644 index 0000000..bb7fdee --- /dev/null +++ b/node_modules/fdir/LICENSE @@ -0,0 +1,7 @@ +Copyright 2023 Abdullah Atta + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/node_modules/fdir/README.md b/node_modules/fdir/README.md new file mode 100644 index 0000000..5c70530 --- /dev/null +++ b/node_modules/fdir/README.md @@ -0,0 +1,91 @@ +

+ + +

The Fastest Directory Crawler & Globber for NodeJS

+

+ + + + + + + + +

+

+ +⚡ **The Fastest:** Nothing similar (in the NodeJS world) beats `fdir` in speed. It can easily crawl a directory containing **1 million files in < 1 second.** + +💡 **Stupidly Easy:** `fdir` uses expressive Builder pattern to build the crawler increasing code readability. + +🤖 **Zero Dependencies\*:** `fdir` only uses NodeJS `fs` & `path` modules. + +🕺 **Astonishingly Small:** < 2KB in size gzipped & minified. + +🖮 **Hackable:** Extending `fdir` is extremely simple now that the new Builder API is here. Feel free to experiment around. + +_\* `picomatch` must be installed manually by the user to support globbing._ + +## 🚄 Quickstart + +### Installation + +You can install using `npm`: + +```sh +$ npm i fdir +``` + +or Yarn: + +```sh +$ yarn add fdir +``` + +### Usage + +```ts +import { fdir } from "fdir"; + +// create the builder +const api = new fdir().withFullPaths().crawl("path/to/dir"); + +// get all files in a directory synchronously +const files = api.sync(); + +// or asynchronously +api.withPromise().then((files) => { + // do something with the result here. +}); +``` + +## Documentation: + +Documentation for all methods is available [here](/documentation.md). + +## 📊 Benchmarks: + +Please check the benchmark against the latest version [here](/BENCHMARKS.md). + +## 🙏Used by: + +`fdir` is downloaded over 200k+ times a week by projects around the world. Here's a list of some notable projects using `fdir` in production: + +> Note: if you think your project should be here, feel free to open an issue. Notable is anything with a considerable amount of GitHub stars. + +1. [rollup/plugins](https://github.com/rollup/plugins) +2. [SuperchupuDev/tinyglobby](https://github.com/SuperchupuDev/tinyglobby) +3. [pulumi/pulumi](https://github.com/pulumi/pulumi) +4. [dotenvx/dotenvx](https://github.com/dotenvx/dotenvx) +5. [mdn/yari](https://github.com/mdn/yari) +6. [streetwriters/notesnook](https://github.com/streetwriters/notesnook) +7. [imba/imba](https://github.com/imba/imba) +8. [moroshko/react-scanner](https://github.com/moroshko/react-scanner) +9. [netlify/build](https://github.com/netlify/build) +10. [yassinedoghri/astro-i18next](https://github.com/yassinedoghri/astro-i18next) +11. [selfrefactor/rambda](https://github.com/selfrefactor/rambda) +12. [whyboris/Video-Hub-App](https://github.com/whyboris/Video-Hub-App) + +## 🦮 LICENSE + +Copyright © 2024 Abdullah Atta under MIT. [Read full text here.](https://github.com/thecodrr/fdir/raw/master/LICENSE) diff --git a/node_modules/fdir/dist/index.cjs b/node_modules/fdir/dist/index.cjs new file mode 100644 index 0000000..4868ffb --- /dev/null +++ b/node_modules/fdir/dist/index.cjs @@ -0,0 +1,588 @@ +//#region rolldown:runtime +var __create = Object.create; +var __defProp = Object.defineProperty; +var __getOwnPropDesc = Object.getOwnPropertyDescriptor; +var __getOwnPropNames = Object.getOwnPropertyNames; +var __getProtoOf = Object.getPrototypeOf; +var __hasOwnProp = Object.prototype.hasOwnProperty; +var __copyProps = (to, from, except, desc) => { + if (from && typeof from === "object" || typeof from === "function") for (var keys = __getOwnPropNames(from), i = 0, n = keys.length, key; i < n; i++) { + key = keys[i]; + if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, { + get: ((k) => from[k]).bind(null, key), + enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable + }); + } + return to; +}; +var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { + value: mod, + enumerable: true +}) : target, mod)); + +//#endregion +const path = __toESM(require("path")); +const fs = __toESM(require("fs")); + +//#region src/utils.ts +function cleanPath(path$1) { + let normalized = (0, path.normalize)(path$1); + if (normalized.length > 1 && normalized[normalized.length - 1] === path.sep) normalized = normalized.substring(0, normalized.length - 1); + return normalized; +} +const SLASHES_REGEX = /[\\/]/g; +function convertSlashes(path$1, separator) { + return path$1.replace(SLASHES_REGEX, separator); +} +const WINDOWS_ROOT_DIR_REGEX = /^[a-z]:[\\/]$/i; +function isRootDirectory(path$1) { + return path$1 === "/" || WINDOWS_ROOT_DIR_REGEX.test(path$1); +} +function normalizePath(path$1, options) { + const { resolvePaths, normalizePath: normalizePath$1, pathSeparator } = options; + const pathNeedsCleaning = process.platform === "win32" && path$1.includes("/") || path$1.startsWith("."); + if (resolvePaths) path$1 = (0, path.resolve)(path$1); + if (normalizePath$1 || pathNeedsCleaning) path$1 = cleanPath(path$1); + if (path$1 === ".") return ""; + const needsSeperator = path$1[path$1.length - 1] !== pathSeparator; + return convertSlashes(needsSeperator ? path$1 + pathSeparator : path$1, pathSeparator); +} + +//#endregion +//#region src/api/functions/join-path.ts +function joinPathWithBasePath(filename, directoryPath) { + return directoryPath + filename; +} +function joinPathWithRelativePath(root, options) { + return function(filename, directoryPath) { + const sameRoot = directoryPath.startsWith(root); + if (sameRoot) return directoryPath.slice(root.length) + filename; + else return convertSlashes((0, path.relative)(root, directoryPath), options.pathSeparator) + options.pathSeparator + filename; + }; +} +function joinPath(filename) { + return filename; +} +function joinDirectoryPath(filename, directoryPath, separator) { + return directoryPath + filename + separator; +} +function build$7(root, options) { + const { relativePaths, includeBasePath } = options; + return relativePaths && root ? joinPathWithRelativePath(root, options) : includeBasePath ? joinPathWithBasePath : joinPath; +} + +//#endregion +//#region src/api/functions/push-directory.ts +function pushDirectoryWithRelativePath(root) { + return function(directoryPath, paths) { + paths.push(directoryPath.substring(root.length) || "."); + }; +} +function pushDirectoryFilterWithRelativePath(root) { + return function(directoryPath, paths, filters) { + const relativePath = directoryPath.substring(root.length) || "."; + if (filters.every((filter) => filter(relativePath, true))) paths.push(relativePath); + }; +} +const pushDirectory = (directoryPath, paths) => { + paths.push(directoryPath || "."); +}; +const pushDirectoryFilter = (directoryPath, paths, filters) => { + const path$1 = directoryPath || "."; + if (filters.every((filter) => filter(path$1, true))) paths.push(path$1); +}; +const empty$2 = () => {}; +function build$6(root, options) { + const { includeDirs, filters, relativePaths } = options; + if (!includeDirs) return empty$2; + if (relativePaths) return filters && filters.length ? pushDirectoryFilterWithRelativePath(root) : pushDirectoryWithRelativePath(root); + return filters && filters.length ? pushDirectoryFilter : pushDirectory; +} + +//#endregion +//#region src/api/functions/push-file.ts +const pushFileFilterAndCount = (filename, _paths, counts, filters) => { + if (filters.every((filter) => filter(filename, false))) counts.files++; +}; +const pushFileFilter = (filename, paths, _counts, filters) => { + if (filters.every((filter) => filter(filename, false))) paths.push(filename); +}; +const pushFileCount = (_filename, _paths, counts, _filters) => { + counts.files++; +}; +const pushFile = (filename, paths) => { + paths.push(filename); +}; +const empty$1 = () => {}; +function build$5(options) { + const { excludeFiles, filters, onlyCounts } = options; + if (excludeFiles) return empty$1; + if (filters && filters.length) return onlyCounts ? pushFileFilterAndCount : pushFileFilter; + else if (onlyCounts) return pushFileCount; + else return pushFile; +} + +//#endregion +//#region src/api/functions/get-array.ts +const getArray = (paths) => { + return paths; +}; +const getArrayGroup = () => { + return [""].slice(0, 0); +}; +function build$4(options) { + return options.group ? getArrayGroup : getArray; +} + +//#endregion +//#region src/api/functions/group-files.ts +const groupFiles = (groups, directory, files) => { + groups.push({ + directory, + files, + dir: directory + }); +}; +const empty = () => {}; +function build$3(options) { + return options.group ? groupFiles : empty; +} + +//#endregion +//#region src/api/functions/resolve-symlink.ts +const resolveSymlinksAsync = function(path$1, state, callback$1) { + const { queue, fs: fs$1, options: { suppressErrors } } = state; + queue.enqueue(); + fs$1.realpath(path$1, (error, resolvedPath) => { + if (error) return queue.dequeue(suppressErrors ? null : error, state); + fs$1.stat(resolvedPath, (error$1, stat) => { + if (error$1) return queue.dequeue(suppressErrors ? null : error$1, state); + if (stat.isDirectory() && isRecursive(path$1, resolvedPath, state)) return queue.dequeue(null, state); + callback$1(stat, resolvedPath); + queue.dequeue(null, state); + }); + }); +}; +const resolveSymlinks = function(path$1, state, callback$1) { + const { queue, fs: fs$1, options: { suppressErrors } } = state; + queue.enqueue(); + try { + const resolvedPath = fs$1.realpathSync(path$1); + const stat = fs$1.statSync(resolvedPath); + if (stat.isDirectory() && isRecursive(path$1, resolvedPath, state)) return; + callback$1(stat, resolvedPath); + } catch (e) { + if (!suppressErrors) throw e; + } +}; +function build$2(options, isSynchronous) { + if (!options.resolveSymlinks || options.excludeSymlinks) return null; + return isSynchronous ? resolveSymlinks : resolveSymlinksAsync; +} +function isRecursive(path$1, resolved, state) { + if (state.options.useRealPaths) return isRecursiveUsingRealPaths(resolved, state); + let parent = (0, path.dirname)(path$1); + let depth = 1; + while (parent !== state.root && depth < 2) { + const resolvedPath = state.symlinks.get(parent); + const isSameRoot = !!resolvedPath && (resolvedPath === resolved || resolvedPath.startsWith(resolved) || resolved.startsWith(resolvedPath)); + if (isSameRoot) depth++; + else parent = (0, path.dirname)(parent); + } + state.symlinks.set(path$1, resolved); + return depth > 1; +} +function isRecursiveUsingRealPaths(resolved, state) { + return state.visited.includes(resolved + state.options.pathSeparator); +} + +//#endregion +//#region src/api/functions/invoke-callback.ts +const onlyCountsSync = (state) => { + return state.counts; +}; +const groupsSync = (state) => { + return state.groups; +}; +const defaultSync = (state) => { + return state.paths; +}; +const limitFilesSync = (state) => { + return state.paths.slice(0, state.options.maxFiles); +}; +const onlyCountsAsync = (state, error, callback$1) => { + report(error, callback$1, state.counts, state.options.suppressErrors); + return null; +}; +const defaultAsync = (state, error, callback$1) => { + report(error, callback$1, state.paths, state.options.suppressErrors); + return null; +}; +const limitFilesAsync = (state, error, callback$1) => { + report(error, callback$1, state.paths.slice(0, state.options.maxFiles), state.options.suppressErrors); + return null; +}; +const groupsAsync = (state, error, callback$1) => { + report(error, callback$1, state.groups, state.options.suppressErrors); + return null; +}; +function report(error, callback$1, output, suppressErrors) { + if (error && !suppressErrors) callback$1(error, output); + else callback$1(null, output); +} +function build$1(options, isSynchronous) { + const { onlyCounts, group, maxFiles } = options; + if (onlyCounts) return isSynchronous ? onlyCountsSync : onlyCountsAsync; + else if (group) return isSynchronous ? groupsSync : groupsAsync; + else if (maxFiles) return isSynchronous ? limitFilesSync : limitFilesAsync; + else return isSynchronous ? defaultSync : defaultAsync; +} + +//#endregion +//#region src/api/functions/walk-directory.ts +const readdirOpts = { withFileTypes: true }; +const walkAsync = (state, crawlPath, directoryPath, currentDepth, callback$1) => { + state.queue.enqueue(); + if (currentDepth < 0) return state.queue.dequeue(null, state); + const { fs: fs$1 } = state; + state.visited.push(crawlPath); + state.counts.directories++; + fs$1.readdir(crawlPath || ".", readdirOpts, (error, entries = []) => { + callback$1(entries, directoryPath, currentDepth); + state.queue.dequeue(state.options.suppressErrors ? null : error, state); + }); +}; +const walkSync = (state, crawlPath, directoryPath, currentDepth, callback$1) => { + const { fs: fs$1 } = state; + if (currentDepth < 0) return; + state.visited.push(crawlPath); + state.counts.directories++; + let entries = []; + try { + entries = fs$1.readdirSync(crawlPath || ".", readdirOpts); + } catch (e) { + if (!state.options.suppressErrors) throw e; + } + callback$1(entries, directoryPath, currentDepth); +}; +function build(isSynchronous) { + return isSynchronous ? walkSync : walkAsync; +} + +//#endregion +//#region src/api/queue.ts +/** +* This is a custom stateless queue to track concurrent async fs calls. +* It increments a counter whenever a call is queued and decrements it +* as soon as it completes. When the counter hits 0, it calls onQueueEmpty. +*/ +var Queue = class { + count = 0; + constructor(onQueueEmpty) { + this.onQueueEmpty = onQueueEmpty; + } + enqueue() { + this.count++; + return this.count; + } + dequeue(error, output) { + if (this.onQueueEmpty && (--this.count <= 0 || error)) { + this.onQueueEmpty(error, output); + if (error) { + output.controller.abort(); + this.onQueueEmpty = void 0; + } + } + } +}; + +//#endregion +//#region src/api/counter.ts +var Counter = class { + _files = 0; + _directories = 0; + set files(num) { + this._files = num; + } + get files() { + return this._files; + } + set directories(num) { + this._directories = num; + } + get directories() { + return this._directories; + } + /** + * @deprecated use `directories` instead + */ + /* c8 ignore next 3 */ + get dirs() { + return this._directories; + } +}; + +//#endregion +//#region src/api/aborter.ts +/** +* AbortController is not supported on Node 14 so we use this until we can drop +* support for Node 14. +*/ +var Aborter = class { + aborted = false; + abort() { + this.aborted = true; + } +}; + +//#endregion +//#region src/api/walker.ts +var Walker = class { + root; + isSynchronous; + state; + joinPath; + pushDirectory; + pushFile; + getArray; + groupFiles; + resolveSymlink; + walkDirectory; + callbackInvoker; + constructor(root, options, callback$1) { + this.isSynchronous = !callback$1; + this.callbackInvoker = build$1(options, this.isSynchronous); + this.root = normalizePath(root, options); + this.state = { + root: isRootDirectory(this.root) ? this.root : this.root.slice(0, -1), + paths: [""].slice(0, 0), + groups: [], + counts: new Counter(), + options, + queue: new Queue((error, state) => this.callbackInvoker(state, error, callback$1)), + symlinks: /* @__PURE__ */ new Map(), + visited: [""].slice(0, 0), + controller: new Aborter(), + fs: options.fs || fs + }; + this.joinPath = build$7(this.root, options); + this.pushDirectory = build$6(this.root, options); + this.pushFile = build$5(options); + this.getArray = build$4(options); + this.groupFiles = build$3(options); + this.resolveSymlink = build$2(options, this.isSynchronous); + this.walkDirectory = build(this.isSynchronous); + } + start() { + this.pushDirectory(this.root, this.state.paths, this.state.options.filters); + this.walkDirectory(this.state, this.root, this.root, this.state.options.maxDepth, this.walk); + return this.isSynchronous ? this.callbackInvoker(this.state, null) : null; + } + walk = (entries, directoryPath, depth) => { + const { paths, options: { filters, resolveSymlinks: resolveSymlinks$1, excludeSymlinks, exclude, maxFiles, signal, useRealPaths, pathSeparator }, controller } = this.state; + if (controller.aborted || signal && signal.aborted || maxFiles && paths.length > maxFiles) return; + const files = this.getArray(this.state.paths); + for (let i = 0; i < entries.length; ++i) { + const entry = entries[i]; + if (entry.isFile() || entry.isSymbolicLink() && !resolveSymlinks$1 && !excludeSymlinks) { + const filename = this.joinPath(entry.name, directoryPath); + this.pushFile(filename, files, this.state.counts, filters); + } else if (entry.isDirectory()) { + let path$1 = joinDirectoryPath(entry.name, directoryPath, this.state.options.pathSeparator); + if (exclude && exclude(entry.name, path$1)) continue; + this.pushDirectory(path$1, paths, filters); + this.walkDirectory(this.state, path$1, path$1, depth - 1, this.walk); + } else if (this.resolveSymlink && entry.isSymbolicLink()) { + let path$1 = joinPathWithBasePath(entry.name, directoryPath); + this.resolveSymlink(path$1, this.state, (stat, resolvedPath) => { + if (stat.isDirectory()) { + resolvedPath = normalizePath(resolvedPath, this.state.options); + if (exclude && exclude(entry.name, useRealPaths ? resolvedPath : path$1 + pathSeparator)) return; + this.walkDirectory(this.state, resolvedPath, useRealPaths ? resolvedPath : path$1 + pathSeparator, depth - 1, this.walk); + } else { + resolvedPath = useRealPaths ? resolvedPath : path$1; + const filename = (0, path.basename)(resolvedPath); + const directoryPath$1 = normalizePath((0, path.dirname)(resolvedPath), this.state.options); + resolvedPath = this.joinPath(filename, directoryPath$1); + this.pushFile(resolvedPath, files, this.state.counts, filters); + } + }); + } + } + this.groupFiles(this.state.groups, directoryPath, files); + }; +}; + +//#endregion +//#region src/api/async.ts +function promise(root, options) { + return new Promise((resolve$1, reject) => { + callback(root, options, (err, output) => { + if (err) return reject(err); + resolve$1(output); + }); + }); +} +function callback(root, options, callback$1) { + let walker = new Walker(root, options, callback$1); + walker.start(); +} + +//#endregion +//#region src/api/sync.ts +function sync(root, options) { + const walker = new Walker(root, options); + return walker.start(); +} + +//#endregion +//#region src/builder/api-builder.ts +var APIBuilder = class { + constructor(root, options) { + this.root = root; + this.options = options; + } + withPromise() { + return promise(this.root, this.options); + } + withCallback(cb) { + callback(this.root, this.options, cb); + } + sync() { + return sync(this.root, this.options); + } +}; + +//#endregion +//#region src/builder/index.ts +let pm = null; +/* c8 ignore next 6 */ +try { + require.resolve("picomatch"); + pm = require("picomatch"); +} catch {} +var Builder = class { + globCache = {}; + options = { + maxDepth: Infinity, + suppressErrors: true, + pathSeparator: path.sep, + filters: [] + }; + globFunction; + constructor(options) { + this.options = { + ...this.options, + ...options + }; + this.globFunction = this.options.globFunction; + } + group() { + this.options.group = true; + return this; + } + withPathSeparator(separator) { + this.options.pathSeparator = separator; + return this; + } + withBasePath() { + this.options.includeBasePath = true; + return this; + } + withRelativePaths() { + this.options.relativePaths = true; + return this; + } + withDirs() { + this.options.includeDirs = true; + return this; + } + withMaxDepth(depth) { + this.options.maxDepth = depth; + return this; + } + withMaxFiles(limit) { + this.options.maxFiles = limit; + return this; + } + withFullPaths() { + this.options.resolvePaths = true; + this.options.includeBasePath = true; + return this; + } + withErrors() { + this.options.suppressErrors = false; + return this; + } + withSymlinks({ resolvePaths = true } = {}) { + this.options.resolveSymlinks = true; + this.options.useRealPaths = resolvePaths; + return this.withFullPaths(); + } + withAbortSignal(signal) { + this.options.signal = signal; + return this; + } + normalize() { + this.options.normalizePath = true; + return this; + } + filter(predicate) { + this.options.filters.push(predicate); + return this; + } + onlyDirs() { + this.options.excludeFiles = true; + this.options.includeDirs = true; + return this; + } + exclude(predicate) { + this.options.exclude = predicate; + return this; + } + onlyCounts() { + this.options.onlyCounts = true; + return this; + } + crawl(root) { + return new APIBuilder(root || ".", this.options); + } + withGlobFunction(fn) { + this.globFunction = fn; + return this; + } + /** + * @deprecated Pass options using the constructor instead: + * ```ts + * new fdir(options).crawl("/path/to/root"); + * ``` + * This method will be removed in v7.0 + */ + /* c8 ignore next 4 */ + crawlWithOptions(root, options) { + this.options = { + ...this.options, + ...options + }; + return new APIBuilder(root || ".", this.options); + } + glob(...patterns) { + if (this.globFunction) return this.globWithOptions(patterns); + return this.globWithOptions(patterns, ...[{ dot: true }]); + } + globWithOptions(patterns, ...options) { + const globFn = this.globFunction || pm; + /* c8 ignore next 5 */ + if (!globFn) throw new Error("Please specify a glob function to use glob matching."); + var isMatch = this.globCache[patterns.join("\0")]; + if (!isMatch) { + isMatch = globFn(patterns, ...options); + this.globCache[patterns.join("\0")] = isMatch; + } + this.options.filters.push((path$1) => isMatch(path$1)); + return this; + } +}; + +//#endregion +exports.fdir = Builder; \ No newline at end of file diff --git a/node_modules/fdir/dist/index.d.cts b/node_modules/fdir/dist/index.d.cts new file mode 100644 index 0000000..f448ef5 --- /dev/null +++ b/node_modules/fdir/dist/index.d.cts @@ -0,0 +1,155 @@ +/// +import * as nativeFs from "fs"; +import picomatch from "picomatch"; + +//#region src/api/aborter.d.ts +/** + * AbortController is not supported on Node 14 so we use this until we can drop + * support for Node 14. + */ +declare class Aborter { + aborted: boolean; + abort(): void; +} +//#endregion +//#region src/api/queue.d.ts +type OnQueueEmptyCallback = (error: Error | null, output: WalkerState) => void; +/** + * This is a custom stateless queue to track concurrent async fs calls. + * It increments a counter whenever a call is queued and decrements it + * as soon as it completes. When the counter hits 0, it calls onQueueEmpty. + */ +declare class Queue { + private onQueueEmpty?; + count: number; + constructor(onQueueEmpty?: OnQueueEmptyCallback | undefined); + enqueue(): number; + dequeue(error: Error | null, output: WalkerState): void; +} +//#endregion +//#region src/types.d.ts +type Counts = { + files: number; + directories: number; + /** + * @deprecated use `directories` instead. Will be removed in v7.0. + */ + dirs: number; +}; +type Group = { + directory: string; + files: string[]; + /** + * @deprecated use `directory` instead. Will be removed in v7.0. + */ + dir: string; +}; +type GroupOutput = Group[]; +type OnlyCountsOutput = Counts; +type PathsOutput = string[]; +type Output = OnlyCountsOutput | PathsOutput | GroupOutput; +type FSLike = { + readdir: typeof nativeFs.readdir; + readdirSync: typeof nativeFs.readdirSync; + realpath: typeof nativeFs.realpath; + realpathSync: typeof nativeFs.realpathSync; + stat: typeof nativeFs.stat; + statSync: typeof nativeFs.statSync; +}; +type WalkerState = { + root: string; + paths: string[]; + groups: Group[]; + counts: Counts; + options: Options; + queue: Queue; + controller: Aborter; + fs: FSLike; + symlinks: Map; + visited: string[]; +}; +type ResultCallback = (error: Error | null, output: TOutput) => void; +type FilterPredicate = (path: string, isDirectory: boolean) => boolean; +type ExcludePredicate = (dirName: string, dirPath: string) => boolean; +type PathSeparator = "/" | "\\"; +type Options = { + includeBasePath?: boolean; + includeDirs?: boolean; + normalizePath?: boolean; + maxDepth: number; + maxFiles?: number; + resolvePaths?: boolean; + suppressErrors: boolean; + group?: boolean; + onlyCounts?: boolean; + filters: FilterPredicate[]; + resolveSymlinks?: boolean; + useRealPaths?: boolean; + excludeFiles?: boolean; + excludeSymlinks?: boolean; + exclude?: ExcludePredicate; + relativePaths?: boolean; + pathSeparator: PathSeparator; + signal?: AbortSignal; + globFunction?: TGlobFunction; + fs?: FSLike; +}; +type GlobMatcher = (test: string) => boolean; +type GlobFunction = (glob: string | string[], ...params: unknown[]) => GlobMatcher; +type GlobParams = T extends ((globs: string | string[], ...params: infer TParams extends unknown[]) => GlobMatcher) ? TParams : []; +//#endregion +//#region src/builder/api-builder.d.ts +declare class APIBuilder { + private readonly root; + private readonly options; + constructor(root: string, options: Options); + withPromise(): Promise; + withCallback(cb: ResultCallback): void; + sync(): TReturnType; +} +//#endregion +//#region src/builder/index.d.ts +declare class Builder { + private readonly globCache; + private options; + private globFunction?; + constructor(options?: Partial>); + group(): Builder; + withPathSeparator(separator: "/" | "\\"): this; + withBasePath(): this; + withRelativePaths(): this; + withDirs(): this; + withMaxDepth(depth: number): this; + withMaxFiles(limit: number): this; + withFullPaths(): this; + withErrors(): this; + withSymlinks({ + resolvePaths + }?: { + resolvePaths?: boolean | undefined; + }): this; + withAbortSignal(signal: AbortSignal): this; + normalize(): this; + filter(predicate: FilterPredicate): this; + onlyDirs(): this; + exclude(predicate: ExcludePredicate): this; + onlyCounts(): Builder; + crawl(root?: string): APIBuilder; + withGlobFunction(fn: TFunc): Builder; + /** + * @deprecated Pass options using the constructor instead: + * ```ts + * new fdir(options).crawl("/path/to/root"); + * ``` + * This method will be removed in v7.0 + */ + crawlWithOptions(root: string, options: Partial>): APIBuilder; + glob(...patterns: string[]): Builder; + globWithOptions(patterns: string[]): Builder; + globWithOptions(patterns: string[], ...options: GlobParams): Builder; +} +//#endregion +//#region src/index.d.ts +type Fdir = typeof Builder; +//#endregion +export { Counts, ExcludePredicate, FSLike, Fdir, FilterPredicate, GlobFunction, GlobMatcher, GlobParams, Group, GroupOutput, OnlyCountsOutput, Options, Output, PathSeparator, PathsOutput, ResultCallback, WalkerState, Builder as fdir }; \ No newline at end of file diff --git a/node_modules/fdir/dist/index.d.mts b/node_modules/fdir/dist/index.d.mts new file mode 100644 index 0000000..f448ef5 --- /dev/null +++ b/node_modules/fdir/dist/index.d.mts @@ -0,0 +1,155 @@ +/// +import * as nativeFs from "fs"; +import picomatch from "picomatch"; + +//#region src/api/aborter.d.ts +/** + * AbortController is not supported on Node 14 so we use this until we can drop + * support for Node 14. + */ +declare class Aborter { + aborted: boolean; + abort(): void; +} +//#endregion +//#region src/api/queue.d.ts +type OnQueueEmptyCallback = (error: Error | null, output: WalkerState) => void; +/** + * This is a custom stateless queue to track concurrent async fs calls. + * It increments a counter whenever a call is queued and decrements it + * as soon as it completes. When the counter hits 0, it calls onQueueEmpty. + */ +declare class Queue { + private onQueueEmpty?; + count: number; + constructor(onQueueEmpty?: OnQueueEmptyCallback | undefined); + enqueue(): number; + dequeue(error: Error | null, output: WalkerState): void; +} +//#endregion +//#region src/types.d.ts +type Counts = { + files: number; + directories: number; + /** + * @deprecated use `directories` instead. Will be removed in v7.0. + */ + dirs: number; +}; +type Group = { + directory: string; + files: string[]; + /** + * @deprecated use `directory` instead. Will be removed in v7.0. + */ + dir: string; +}; +type GroupOutput = Group[]; +type OnlyCountsOutput = Counts; +type PathsOutput = string[]; +type Output = OnlyCountsOutput | PathsOutput | GroupOutput; +type FSLike = { + readdir: typeof nativeFs.readdir; + readdirSync: typeof nativeFs.readdirSync; + realpath: typeof nativeFs.realpath; + realpathSync: typeof nativeFs.realpathSync; + stat: typeof nativeFs.stat; + statSync: typeof nativeFs.statSync; +}; +type WalkerState = { + root: string; + paths: string[]; + groups: Group[]; + counts: Counts; + options: Options; + queue: Queue; + controller: Aborter; + fs: FSLike; + symlinks: Map; + visited: string[]; +}; +type ResultCallback = (error: Error | null, output: TOutput) => void; +type FilterPredicate = (path: string, isDirectory: boolean) => boolean; +type ExcludePredicate = (dirName: string, dirPath: string) => boolean; +type PathSeparator = "/" | "\\"; +type Options = { + includeBasePath?: boolean; + includeDirs?: boolean; + normalizePath?: boolean; + maxDepth: number; + maxFiles?: number; + resolvePaths?: boolean; + suppressErrors: boolean; + group?: boolean; + onlyCounts?: boolean; + filters: FilterPredicate[]; + resolveSymlinks?: boolean; + useRealPaths?: boolean; + excludeFiles?: boolean; + excludeSymlinks?: boolean; + exclude?: ExcludePredicate; + relativePaths?: boolean; + pathSeparator: PathSeparator; + signal?: AbortSignal; + globFunction?: TGlobFunction; + fs?: FSLike; +}; +type GlobMatcher = (test: string) => boolean; +type GlobFunction = (glob: string | string[], ...params: unknown[]) => GlobMatcher; +type GlobParams = T extends ((globs: string | string[], ...params: infer TParams extends unknown[]) => GlobMatcher) ? TParams : []; +//#endregion +//#region src/builder/api-builder.d.ts +declare class APIBuilder { + private readonly root; + private readonly options; + constructor(root: string, options: Options); + withPromise(): Promise; + withCallback(cb: ResultCallback): void; + sync(): TReturnType; +} +//#endregion +//#region src/builder/index.d.ts +declare class Builder { + private readonly globCache; + private options; + private globFunction?; + constructor(options?: Partial>); + group(): Builder; + withPathSeparator(separator: "/" | "\\"): this; + withBasePath(): this; + withRelativePaths(): this; + withDirs(): this; + withMaxDepth(depth: number): this; + withMaxFiles(limit: number): this; + withFullPaths(): this; + withErrors(): this; + withSymlinks({ + resolvePaths + }?: { + resolvePaths?: boolean | undefined; + }): this; + withAbortSignal(signal: AbortSignal): this; + normalize(): this; + filter(predicate: FilterPredicate): this; + onlyDirs(): this; + exclude(predicate: ExcludePredicate): this; + onlyCounts(): Builder; + crawl(root?: string): APIBuilder; + withGlobFunction(fn: TFunc): Builder; + /** + * @deprecated Pass options using the constructor instead: + * ```ts + * new fdir(options).crawl("/path/to/root"); + * ``` + * This method will be removed in v7.0 + */ + crawlWithOptions(root: string, options: Partial>): APIBuilder; + glob(...patterns: string[]): Builder; + globWithOptions(patterns: string[]): Builder; + globWithOptions(patterns: string[], ...options: GlobParams): Builder; +} +//#endregion +//#region src/index.d.ts +type Fdir = typeof Builder; +//#endregion +export { Counts, ExcludePredicate, FSLike, Fdir, FilterPredicate, GlobFunction, GlobMatcher, GlobParams, Group, GroupOutput, OnlyCountsOutput, Options, Output, PathSeparator, PathsOutput, ResultCallback, WalkerState, Builder as fdir }; \ No newline at end of file diff --git a/node_modules/fdir/dist/index.mjs b/node_modules/fdir/dist/index.mjs new file mode 100644 index 0000000..5c37e09 --- /dev/null +++ b/node_modules/fdir/dist/index.mjs @@ -0,0 +1,570 @@ +import { createRequire } from "module"; +import { basename, dirname, normalize, relative, resolve, sep } from "path"; +import * as nativeFs from "fs"; + +//#region rolldown:runtime +var __require = /* @__PURE__ */ createRequire(import.meta.url); + +//#endregion +//#region src/utils.ts +function cleanPath(path) { + let normalized = normalize(path); + if (normalized.length > 1 && normalized[normalized.length - 1] === sep) normalized = normalized.substring(0, normalized.length - 1); + return normalized; +} +const SLASHES_REGEX = /[\\/]/g; +function convertSlashes(path, separator) { + return path.replace(SLASHES_REGEX, separator); +} +const WINDOWS_ROOT_DIR_REGEX = /^[a-z]:[\\/]$/i; +function isRootDirectory(path) { + return path === "/" || WINDOWS_ROOT_DIR_REGEX.test(path); +} +function normalizePath(path, options) { + const { resolvePaths, normalizePath: normalizePath$1, pathSeparator } = options; + const pathNeedsCleaning = process.platform === "win32" && path.includes("/") || path.startsWith("."); + if (resolvePaths) path = resolve(path); + if (normalizePath$1 || pathNeedsCleaning) path = cleanPath(path); + if (path === ".") return ""; + const needsSeperator = path[path.length - 1] !== pathSeparator; + return convertSlashes(needsSeperator ? path + pathSeparator : path, pathSeparator); +} + +//#endregion +//#region src/api/functions/join-path.ts +function joinPathWithBasePath(filename, directoryPath) { + return directoryPath + filename; +} +function joinPathWithRelativePath(root, options) { + return function(filename, directoryPath) { + const sameRoot = directoryPath.startsWith(root); + if (sameRoot) return directoryPath.slice(root.length) + filename; + else return convertSlashes(relative(root, directoryPath), options.pathSeparator) + options.pathSeparator + filename; + }; +} +function joinPath(filename) { + return filename; +} +function joinDirectoryPath(filename, directoryPath, separator) { + return directoryPath + filename + separator; +} +function build$7(root, options) { + const { relativePaths, includeBasePath } = options; + return relativePaths && root ? joinPathWithRelativePath(root, options) : includeBasePath ? joinPathWithBasePath : joinPath; +} + +//#endregion +//#region src/api/functions/push-directory.ts +function pushDirectoryWithRelativePath(root) { + return function(directoryPath, paths) { + paths.push(directoryPath.substring(root.length) || "."); + }; +} +function pushDirectoryFilterWithRelativePath(root) { + return function(directoryPath, paths, filters) { + const relativePath = directoryPath.substring(root.length) || "."; + if (filters.every((filter) => filter(relativePath, true))) paths.push(relativePath); + }; +} +const pushDirectory = (directoryPath, paths) => { + paths.push(directoryPath || "."); +}; +const pushDirectoryFilter = (directoryPath, paths, filters) => { + const path = directoryPath || "."; + if (filters.every((filter) => filter(path, true))) paths.push(path); +}; +const empty$2 = () => {}; +function build$6(root, options) { + const { includeDirs, filters, relativePaths } = options; + if (!includeDirs) return empty$2; + if (relativePaths) return filters && filters.length ? pushDirectoryFilterWithRelativePath(root) : pushDirectoryWithRelativePath(root); + return filters && filters.length ? pushDirectoryFilter : pushDirectory; +} + +//#endregion +//#region src/api/functions/push-file.ts +const pushFileFilterAndCount = (filename, _paths, counts, filters) => { + if (filters.every((filter) => filter(filename, false))) counts.files++; +}; +const pushFileFilter = (filename, paths, _counts, filters) => { + if (filters.every((filter) => filter(filename, false))) paths.push(filename); +}; +const pushFileCount = (_filename, _paths, counts, _filters) => { + counts.files++; +}; +const pushFile = (filename, paths) => { + paths.push(filename); +}; +const empty$1 = () => {}; +function build$5(options) { + const { excludeFiles, filters, onlyCounts } = options; + if (excludeFiles) return empty$1; + if (filters && filters.length) return onlyCounts ? pushFileFilterAndCount : pushFileFilter; + else if (onlyCounts) return pushFileCount; + else return pushFile; +} + +//#endregion +//#region src/api/functions/get-array.ts +const getArray = (paths) => { + return paths; +}; +const getArrayGroup = () => { + return [""].slice(0, 0); +}; +function build$4(options) { + return options.group ? getArrayGroup : getArray; +} + +//#endregion +//#region src/api/functions/group-files.ts +const groupFiles = (groups, directory, files) => { + groups.push({ + directory, + files, + dir: directory + }); +}; +const empty = () => {}; +function build$3(options) { + return options.group ? groupFiles : empty; +} + +//#endregion +//#region src/api/functions/resolve-symlink.ts +const resolveSymlinksAsync = function(path, state, callback$1) { + const { queue, fs, options: { suppressErrors } } = state; + queue.enqueue(); + fs.realpath(path, (error, resolvedPath) => { + if (error) return queue.dequeue(suppressErrors ? null : error, state); + fs.stat(resolvedPath, (error$1, stat) => { + if (error$1) return queue.dequeue(suppressErrors ? null : error$1, state); + if (stat.isDirectory() && isRecursive(path, resolvedPath, state)) return queue.dequeue(null, state); + callback$1(stat, resolvedPath); + queue.dequeue(null, state); + }); + }); +}; +const resolveSymlinks = function(path, state, callback$1) { + const { queue, fs, options: { suppressErrors } } = state; + queue.enqueue(); + try { + const resolvedPath = fs.realpathSync(path); + const stat = fs.statSync(resolvedPath); + if (stat.isDirectory() && isRecursive(path, resolvedPath, state)) return; + callback$1(stat, resolvedPath); + } catch (e) { + if (!suppressErrors) throw e; + } +}; +function build$2(options, isSynchronous) { + if (!options.resolveSymlinks || options.excludeSymlinks) return null; + return isSynchronous ? resolveSymlinks : resolveSymlinksAsync; +} +function isRecursive(path, resolved, state) { + if (state.options.useRealPaths) return isRecursiveUsingRealPaths(resolved, state); + let parent = dirname(path); + let depth = 1; + while (parent !== state.root && depth < 2) { + const resolvedPath = state.symlinks.get(parent); + const isSameRoot = !!resolvedPath && (resolvedPath === resolved || resolvedPath.startsWith(resolved) || resolved.startsWith(resolvedPath)); + if (isSameRoot) depth++; + else parent = dirname(parent); + } + state.symlinks.set(path, resolved); + return depth > 1; +} +function isRecursiveUsingRealPaths(resolved, state) { + return state.visited.includes(resolved + state.options.pathSeparator); +} + +//#endregion +//#region src/api/functions/invoke-callback.ts +const onlyCountsSync = (state) => { + return state.counts; +}; +const groupsSync = (state) => { + return state.groups; +}; +const defaultSync = (state) => { + return state.paths; +}; +const limitFilesSync = (state) => { + return state.paths.slice(0, state.options.maxFiles); +}; +const onlyCountsAsync = (state, error, callback$1) => { + report(error, callback$1, state.counts, state.options.suppressErrors); + return null; +}; +const defaultAsync = (state, error, callback$1) => { + report(error, callback$1, state.paths, state.options.suppressErrors); + return null; +}; +const limitFilesAsync = (state, error, callback$1) => { + report(error, callback$1, state.paths.slice(0, state.options.maxFiles), state.options.suppressErrors); + return null; +}; +const groupsAsync = (state, error, callback$1) => { + report(error, callback$1, state.groups, state.options.suppressErrors); + return null; +}; +function report(error, callback$1, output, suppressErrors) { + if (error && !suppressErrors) callback$1(error, output); + else callback$1(null, output); +} +function build$1(options, isSynchronous) { + const { onlyCounts, group, maxFiles } = options; + if (onlyCounts) return isSynchronous ? onlyCountsSync : onlyCountsAsync; + else if (group) return isSynchronous ? groupsSync : groupsAsync; + else if (maxFiles) return isSynchronous ? limitFilesSync : limitFilesAsync; + else return isSynchronous ? defaultSync : defaultAsync; +} + +//#endregion +//#region src/api/functions/walk-directory.ts +const readdirOpts = { withFileTypes: true }; +const walkAsync = (state, crawlPath, directoryPath, currentDepth, callback$1) => { + state.queue.enqueue(); + if (currentDepth < 0) return state.queue.dequeue(null, state); + const { fs } = state; + state.visited.push(crawlPath); + state.counts.directories++; + fs.readdir(crawlPath || ".", readdirOpts, (error, entries = []) => { + callback$1(entries, directoryPath, currentDepth); + state.queue.dequeue(state.options.suppressErrors ? null : error, state); + }); +}; +const walkSync = (state, crawlPath, directoryPath, currentDepth, callback$1) => { + const { fs } = state; + if (currentDepth < 0) return; + state.visited.push(crawlPath); + state.counts.directories++; + let entries = []; + try { + entries = fs.readdirSync(crawlPath || ".", readdirOpts); + } catch (e) { + if (!state.options.suppressErrors) throw e; + } + callback$1(entries, directoryPath, currentDepth); +}; +function build(isSynchronous) { + return isSynchronous ? walkSync : walkAsync; +} + +//#endregion +//#region src/api/queue.ts +/** +* This is a custom stateless queue to track concurrent async fs calls. +* It increments a counter whenever a call is queued and decrements it +* as soon as it completes. When the counter hits 0, it calls onQueueEmpty. +*/ +var Queue = class { + count = 0; + constructor(onQueueEmpty) { + this.onQueueEmpty = onQueueEmpty; + } + enqueue() { + this.count++; + return this.count; + } + dequeue(error, output) { + if (this.onQueueEmpty && (--this.count <= 0 || error)) { + this.onQueueEmpty(error, output); + if (error) { + output.controller.abort(); + this.onQueueEmpty = void 0; + } + } + } +}; + +//#endregion +//#region src/api/counter.ts +var Counter = class { + _files = 0; + _directories = 0; + set files(num) { + this._files = num; + } + get files() { + return this._files; + } + set directories(num) { + this._directories = num; + } + get directories() { + return this._directories; + } + /** + * @deprecated use `directories` instead + */ + /* c8 ignore next 3 */ + get dirs() { + return this._directories; + } +}; + +//#endregion +//#region src/api/aborter.ts +/** +* AbortController is not supported on Node 14 so we use this until we can drop +* support for Node 14. +*/ +var Aborter = class { + aborted = false; + abort() { + this.aborted = true; + } +}; + +//#endregion +//#region src/api/walker.ts +var Walker = class { + root; + isSynchronous; + state; + joinPath; + pushDirectory; + pushFile; + getArray; + groupFiles; + resolveSymlink; + walkDirectory; + callbackInvoker; + constructor(root, options, callback$1) { + this.isSynchronous = !callback$1; + this.callbackInvoker = build$1(options, this.isSynchronous); + this.root = normalizePath(root, options); + this.state = { + root: isRootDirectory(this.root) ? this.root : this.root.slice(0, -1), + paths: [""].slice(0, 0), + groups: [], + counts: new Counter(), + options, + queue: new Queue((error, state) => this.callbackInvoker(state, error, callback$1)), + symlinks: /* @__PURE__ */ new Map(), + visited: [""].slice(0, 0), + controller: new Aborter(), + fs: options.fs || nativeFs + }; + this.joinPath = build$7(this.root, options); + this.pushDirectory = build$6(this.root, options); + this.pushFile = build$5(options); + this.getArray = build$4(options); + this.groupFiles = build$3(options); + this.resolveSymlink = build$2(options, this.isSynchronous); + this.walkDirectory = build(this.isSynchronous); + } + start() { + this.pushDirectory(this.root, this.state.paths, this.state.options.filters); + this.walkDirectory(this.state, this.root, this.root, this.state.options.maxDepth, this.walk); + return this.isSynchronous ? this.callbackInvoker(this.state, null) : null; + } + walk = (entries, directoryPath, depth) => { + const { paths, options: { filters, resolveSymlinks: resolveSymlinks$1, excludeSymlinks, exclude, maxFiles, signal, useRealPaths, pathSeparator }, controller } = this.state; + if (controller.aborted || signal && signal.aborted || maxFiles && paths.length > maxFiles) return; + const files = this.getArray(this.state.paths); + for (let i = 0; i < entries.length; ++i) { + const entry = entries[i]; + if (entry.isFile() || entry.isSymbolicLink() && !resolveSymlinks$1 && !excludeSymlinks) { + const filename = this.joinPath(entry.name, directoryPath); + this.pushFile(filename, files, this.state.counts, filters); + } else if (entry.isDirectory()) { + let path = joinDirectoryPath(entry.name, directoryPath, this.state.options.pathSeparator); + if (exclude && exclude(entry.name, path)) continue; + this.pushDirectory(path, paths, filters); + this.walkDirectory(this.state, path, path, depth - 1, this.walk); + } else if (this.resolveSymlink && entry.isSymbolicLink()) { + let path = joinPathWithBasePath(entry.name, directoryPath); + this.resolveSymlink(path, this.state, (stat, resolvedPath) => { + if (stat.isDirectory()) { + resolvedPath = normalizePath(resolvedPath, this.state.options); + if (exclude && exclude(entry.name, useRealPaths ? resolvedPath : path + pathSeparator)) return; + this.walkDirectory(this.state, resolvedPath, useRealPaths ? resolvedPath : path + pathSeparator, depth - 1, this.walk); + } else { + resolvedPath = useRealPaths ? resolvedPath : path; + const filename = basename(resolvedPath); + const directoryPath$1 = normalizePath(dirname(resolvedPath), this.state.options); + resolvedPath = this.joinPath(filename, directoryPath$1); + this.pushFile(resolvedPath, files, this.state.counts, filters); + } + }); + } + } + this.groupFiles(this.state.groups, directoryPath, files); + }; +}; + +//#endregion +//#region src/api/async.ts +function promise(root, options) { + return new Promise((resolve$1, reject) => { + callback(root, options, (err, output) => { + if (err) return reject(err); + resolve$1(output); + }); + }); +} +function callback(root, options, callback$1) { + let walker = new Walker(root, options, callback$1); + walker.start(); +} + +//#endregion +//#region src/api/sync.ts +function sync(root, options) { + const walker = new Walker(root, options); + return walker.start(); +} + +//#endregion +//#region src/builder/api-builder.ts +var APIBuilder = class { + constructor(root, options) { + this.root = root; + this.options = options; + } + withPromise() { + return promise(this.root, this.options); + } + withCallback(cb) { + callback(this.root, this.options, cb); + } + sync() { + return sync(this.root, this.options); + } +}; + +//#endregion +//#region src/builder/index.ts +let pm = null; +/* c8 ignore next 6 */ +try { + __require.resolve("picomatch"); + pm = __require("picomatch"); +} catch {} +var Builder = class { + globCache = {}; + options = { + maxDepth: Infinity, + suppressErrors: true, + pathSeparator: sep, + filters: [] + }; + globFunction; + constructor(options) { + this.options = { + ...this.options, + ...options + }; + this.globFunction = this.options.globFunction; + } + group() { + this.options.group = true; + return this; + } + withPathSeparator(separator) { + this.options.pathSeparator = separator; + return this; + } + withBasePath() { + this.options.includeBasePath = true; + return this; + } + withRelativePaths() { + this.options.relativePaths = true; + return this; + } + withDirs() { + this.options.includeDirs = true; + return this; + } + withMaxDepth(depth) { + this.options.maxDepth = depth; + return this; + } + withMaxFiles(limit) { + this.options.maxFiles = limit; + return this; + } + withFullPaths() { + this.options.resolvePaths = true; + this.options.includeBasePath = true; + return this; + } + withErrors() { + this.options.suppressErrors = false; + return this; + } + withSymlinks({ resolvePaths = true } = {}) { + this.options.resolveSymlinks = true; + this.options.useRealPaths = resolvePaths; + return this.withFullPaths(); + } + withAbortSignal(signal) { + this.options.signal = signal; + return this; + } + normalize() { + this.options.normalizePath = true; + return this; + } + filter(predicate) { + this.options.filters.push(predicate); + return this; + } + onlyDirs() { + this.options.excludeFiles = true; + this.options.includeDirs = true; + return this; + } + exclude(predicate) { + this.options.exclude = predicate; + return this; + } + onlyCounts() { + this.options.onlyCounts = true; + return this; + } + crawl(root) { + return new APIBuilder(root || ".", this.options); + } + withGlobFunction(fn) { + this.globFunction = fn; + return this; + } + /** + * @deprecated Pass options using the constructor instead: + * ```ts + * new fdir(options).crawl("/path/to/root"); + * ``` + * This method will be removed in v7.0 + */ + /* c8 ignore next 4 */ + crawlWithOptions(root, options) { + this.options = { + ...this.options, + ...options + }; + return new APIBuilder(root || ".", this.options); + } + glob(...patterns) { + if (this.globFunction) return this.globWithOptions(patterns); + return this.globWithOptions(patterns, ...[{ dot: true }]); + } + globWithOptions(patterns, ...options) { + const globFn = this.globFunction || pm; + /* c8 ignore next 5 */ + if (!globFn) throw new Error("Please specify a glob function to use glob matching."); + var isMatch = this.globCache[patterns.join("\0")]; + if (!isMatch) { + isMatch = globFn(patterns, ...options); + this.globCache[patterns.join("\0")] = isMatch; + } + this.options.filters.push((path) => isMatch(path)); + return this; + } +}; + +//#endregion +export { Builder as fdir }; \ No newline at end of file diff --git a/node_modules/fdir/package.json b/node_modules/fdir/package.json new file mode 100644 index 0000000..e229dff --- /dev/null +++ b/node_modules/fdir/package.json @@ -0,0 +1,103 @@ +{ + "name": "fdir", + "version": "6.5.0", + "description": "The fastest directory crawler & globbing alternative to glob, fast-glob, & tiny-glob. Crawls 1m files in < 1s", + "main": "./dist/index.cjs", + "types": "./dist/index.d.cts", + "type": "module", + "scripts": { + "prepublishOnly": "npm run test && npm run build", + "build": "tsdown", + "format": "prettier --write src __tests__ benchmarks", + "test": "vitest run __tests__/", + "test:coverage": "vitest run --coverage __tests__/", + "test:watch": "vitest __tests__/", + "bench": "ts-node benchmarks/benchmark.js", + "bench:glob": "ts-node benchmarks/glob-benchmark.ts", + "bench:fdir": "ts-node benchmarks/fdir-benchmark.ts", + "release": "./scripts/release.sh" + }, + "engines": { + "node": ">=12.0.0" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/thecodrr/fdir.git" + }, + "keywords": [ + "util", + "os", + "sys", + "fs", + "walk", + "crawler", + "directory", + "files", + "io", + "tiny-glob", + "glob", + "fast-glob", + "speed", + "javascript", + "nodejs" + ], + "author": "thecodrr ", + "license": "MIT", + "bugs": { + "url": "https://github.com/thecodrr/fdir/issues" + }, + "homepage": "https://github.com/thecodrr/fdir#readme", + "devDependencies": { + "@types/glob": "^8.1.0", + "@types/mock-fs": "^4.13.4", + "@types/node": "^20.9.4", + "@types/picomatch": "^4.0.0", + "@types/tap": "^15.0.11", + "@vitest/coverage-v8": "^0.34.6", + "all-files-in-tree": "^1.1.2", + "benny": "^3.7.1", + "csv-to-markdown-table": "^1.3.1", + "expect": "^29.7.0", + "fast-glob": "^3.3.2", + "fdir1": "npm:fdir@1.2.0", + "fdir2": "npm:fdir@2.1.0", + "fdir3": "npm:fdir@3.4.2", + "fdir4": "npm:fdir@4.1.0", + "fdir5": "npm:fdir@5.0.0", + "fs-readdir-recursive": "^1.1.0", + "get-all-files": "^4.1.0", + "glob": "^10.3.10", + "klaw-sync": "^6.0.0", + "mock-fs": "^5.2.0", + "picomatch": "^4.0.2", + "prettier": "^3.5.3", + "recur-readdir": "0.0.1", + "recursive-files": "^1.0.2", + "recursive-fs": "^2.1.0", + "recursive-readdir": "^2.2.3", + "rrdir": "^12.1.0", + "systeminformation": "^5.21.17", + "tiny-glob": "^0.2.9", + "ts-node": "^10.9.1", + "tsdown": "^0.12.5", + "typescript": "^5.3.2", + "vitest": "^0.34.6", + "walk-sync": "^3.0.0" + }, + "peerDependencies": { + "picomatch": "^3 || ^4" + }, + "peerDependenciesMeta": { + "picomatch": { + "optional": true + } + }, + "module": "./dist/index.mjs", + "exports": { + ".": { + "import": "./dist/index.mjs", + "require": "./dist/index.cjs" + }, + "./package.json": "./package.json" + } +} diff --git a/node_modules/nanoid/LICENSE b/node_modules/nanoid/LICENSE new file mode 100644 index 0000000..37f56aa --- /dev/null +++ b/node_modules/nanoid/LICENSE @@ -0,0 +1,20 @@ +The MIT License (MIT) + +Copyright 2017 Andrey Sitnik + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/node_modules/nanoid/README.md b/node_modules/nanoid/README.md new file mode 100644 index 0000000..35abb57 --- /dev/null +++ b/node_modules/nanoid/README.md @@ -0,0 +1,39 @@ +# Nano ID + +Nano ID logo by Anton Lovchikov + +**English** | [Русский](./README.ru.md) | [简体中文](./README.zh-CN.md) | [Bahasa Indonesia](./README.id-ID.md) + +A tiny, secure, URL-friendly, unique string ID generator for JavaScript. + +> “An amazing level of senseless perfectionism, +> which is simply impossible not to respect.” + +* **Small.** 130 bytes (minified and gzipped). No dependencies. + [Size Limit] controls the size. +* **Fast.** It is 2 times faster than UUID. +* **Safe.** It uses hardware random generator. Can be used in clusters. +* **Short IDs.** It uses a larger alphabet than UUID (`A-Za-z0-9_-`). + So ID size was reduced from 36 to 21 symbols. +* **Portable.** Nano ID was ported + to [20 programming languages](#other-programming-languages). + +```js +import { nanoid } from 'nanoid' +model.id = nanoid() //=> "V1StGXR8_Z5jdHi6B-myT" +``` + +Supports modern browsers, IE [with Babel], Node.js and React Native. + +[online tool]: https://gitpod.io/#https://github.com/ai/nanoid/ +[with Babel]: https://developer.epages.com/blog/coding/how-to-transpile-node-modules-with-babel-and-webpack-in-a-monorepo/ +[Size Limit]: https://github.com/ai/size-limit + + + Sponsored by Evil Martians + + +## Docs +Read full docs **[here](https://github.com/ai/nanoid#readme)**. diff --git a/node_modules/nanoid/async/index.browser.cjs b/node_modules/nanoid/async/index.browser.cjs new file mode 100644 index 0000000..80d1871 --- /dev/null +++ b/node_modules/nanoid/async/index.browser.cjs @@ -0,0 +1,69 @@ +let random = async bytes => crypto.getRandomValues(new Uint8Array(bytes)) + +let customAlphabet = (alphabet, defaultSize = 21) => { + // First, a bitmask is necessary to generate the ID. The bitmask makes bytes + // values closer to the alphabet size. The bitmask calculates the closest + // `2^31 - 1` number, which exceeds the alphabet size. + // For example, the bitmask for the alphabet size 30 is 31 (00011111). + // `Math.clz32` is not used, because it is not available in browsers. + let mask = (2 << (Math.log(alphabet.length - 1) / Math.LN2)) - 1 + // Though, the bitmask solution is not perfect since the bytes exceeding + // the alphabet size are refused. Therefore, to reliably generate the ID, + // the random bytes redundancy has to be satisfied. + + // Note: every hardware random generator call is performance expensive, + // because the system call for entropy collection takes a lot of time. + // So, to avoid additional system calls, extra bytes are requested in advance. + + // Next, a step determines how many random bytes to generate. + // The number of random bytes gets decided upon the ID size, mask, + // alphabet size, and magic number 1.6 (using 1.6 peaks at performance + // according to benchmarks). + + // `-~f => Math.ceil(f)` if f is a float + // `-~i => i + 1` if i is an integer + let step = -~((1.6 * mask * defaultSize) / alphabet.length) + + return async (size = defaultSize) => { + let id = '' + while (true) { + let bytes = crypto.getRandomValues(new Uint8Array(step)) + // A compact alternative for `for (var i = 0; i < step; i++)`. + let i = step | 0 + while (i--) { + // Adding `|| ''` refuses a random byte that exceeds the alphabet size. + id += alphabet[bytes[i] & mask] || '' + if (id.length === size) return id + } + } + } +} + +let nanoid = async (size = 21) => { + let id = '' + let bytes = crypto.getRandomValues(new Uint8Array((size |= 0))) + + // A compact alternative for `for (var i = 0; i < step; i++)`. + while (size--) { + // It is incorrect to use bytes exceeding the alphabet size. + // The following mask reduces the random byte in the 0-255 value + // range to the 0-63 value range. Therefore, adding hacks, such + // as empty string fallback or magic numbers, is unneccessary because + // the bitmask trims bytes down to the alphabet size. + let byte = bytes[size] & 63 + if (byte < 36) { + // `0-9a-z` + id += byte.toString(36) + } else if (byte < 62) { + // `A-Z` + id += (byte - 26).toString(36).toUpperCase() + } else if (byte < 63) { + id += '_' + } else { + id += '-' + } + } + return id +} + +module.exports = { nanoid, customAlphabet, random } diff --git a/node_modules/nanoid/async/index.browser.js b/node_modules/nanoid/async/index.browser.js new file mode 100644 index 0000000..fbaa230 --- /dev/null +++ b/node_modules/nanoid/async/index.browser.js @@ -0,0 +1,34 @@ +let random = async bytes => crypto.getRandomValues(new Uint8Array(bytes)) +let customAlphabet = (alphabet, defaultSize = 21) => { + let mask = (2 << (Math.log(alphabet.length - 1) / Math.LN2)) - 1 + let step = -~((1.6 * mask * defaultSize) / alphabet.length) + return async (size = defaultSize) => { + let id = '' + while (true) { + let bytes = crypto.getRandomValues(new Uint8Array(step)) + let i = step | 0 + while (i--) { + id += alphabet[bytes[i] & mask] || '' + if (id.length === size) return id + } + } + } +} +let nanoid = async (size = 21) => { + let id = '' + let bytes = crypto.getRandomValues(new Uint8Array((size |= 0))) + while (size--) { + let byte = bytes[size] & 63 + if (byte < 36) { + id += byte.toString(36) + } else if (byte < 62) { + id += (byte - 26).toString(36).toUpperCase() + } else if (byte < 63) { + id += '_' + } else { + id += '-' + } + } + return id +} +export { nanoid, customAlphabet, random } diff --git a/node_modules/nanoid/async/index.cjs b/node_modules/nanoid/async/index.cjs new file mode 100644 index 0000000..f1b0ad0 --- /dev/null +++ b/node_modules/nanoid/async/index.cjs @@ -0,0 +1,71 @@ +let crypto = require('crypto') + +let { urlAlphabet } = require('../url-alphabet/index.cjs') + +// `crypto.randomFill()` is a little faster than `crypto.randomBytes()`, +// because it is possible to use in combination with `Buffer.allocUnsafe()`. +let random = bytes => + new Promise((resolve, reject) => { + // `Buffer.allocUnsafe()` is faster because it doesn’t flush the memory. + // Memory flushing is unnecessary since the buffer allocation itself resets + // the memory with the new bytes. + crypto.randomFill(Buffer.allocUnsafe(bytes), (err, buf) => { + if (err) { + reject(err) + } else { + resolve(buf) + } + }) + }) + +let customAlphabet = (alphabet, defaultSize = 21) => { + // First, a bitmask is necessary to generate the ID. The bitmask makes bytes + // values closer to the alphabet size. The bitmask calculates the closest + // `2^31 - 1` number, which exceeds the alphabet size. + // For example, the bitmask for the alphabet size 30 is 31 (00011111). + let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1 + // Though, the bitmask solution is not perfect since the bytes exceeding + // the alphabet size are refused. Therefore, to reliably generate the ID, + // the random bytes redundancy has to be satisfied. + + // Note: every hardware random generator call is performance expensive, + // because the system call for entropy collection takes a lot of time. + // So, to avoid additional system calls, extra bytes are requested in advance. + + // Next, a step determines how many random bytes to generate. + // The number of random bytes gets decided upon the ID size, mask, + // alphabet size, and magic number 1.6 (using 1.6 peaks at performance + // according to benchmarks). + let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length) + + let tick = (id, size = defaultSize) => + random(step).then(bytes => { + // A compact alternative for `for (var i = 0; i < step; i++)`. + let i = step + while (i--) { + // Adding `|| ''` refuses a random byte that exceeds the alphabet size. + id += alphabet[bytes[i] & mask] || '' + if (id.length >= size) return id + } + return tick(id, size) + }) + + return size => tick('', size) +} + +let nanoid = (size = 21) => + random((size |= 0)).then(bytes => { + let id = '' + // A compact alternative for `for (var i = 0; i < step; i++)`. + while (size--) { + // It is incorrect to use bytes exceeding the alphabet size. + // The following mask reduces the random byte in the 0-255 value + // range to the 0-63 value range. Therefore, adding hacks, such + // as empty string fallback or magic numbers, is unneccessary because + // the bitmask trims bytes down to the alphabet size. + id += urlAlphabet[bytes[size] & 63] + } + return id + }) + +module.exports = { nanoid, customAlphabet, random } diff --git a/node_modules/nanoid/async/index.d.ts b/node_modules/nanoid/async/index.d.ts new file mode 100644 index 0000000..9e91965 --- /dev/null +++ b/node_modules/nanoid/async/index.d.ts @@ -0,0 +1,56 @@ +/** + * Generate secure URL-friendly unique ID. The non-blocking version. + * + * By default, the ID will have 21 symbols to have a collision probability + * similar to UUID v4. + * + * ```js + * import { nanoid } from 'nanoid/async' + * nanoid().then(id => { + * model.id = id + * }) + * ``` + * + * @param size Size of the ID. The default size is 21. + * @returns A promise with a random string. + */ +export function nanoid(size?: number): Promise + +/** + * A low-level function. + * Generate secure unique ID with custom alphabet. The non-blocking version. + * + * Alphabet must contain 256 symbols or less. Otherwise, the generator + * will not be secure. + * + * @param alphabet Alphabet used to generate the ID. + * @param defaultSize Size of the ID. The default size is 21. + * @returns A function that returns a promise with a random string. + * + * ```js + * import { customAlphabet } from 'nanoid/async' + * const nanoid = customAlphabet('0123456789абвгдеё', 5) + * nanoid().then(id => { + * model.id = id //=> "8ё56а" + * }) + * ``` + */ +export function customAlphabet( + alphabet: string, + defaultSize?: number +): (size?: number) => Promise + +/** + * Generate an array of random bytes collected from hardware noise. + * + * ```js + * import { random } from 'nanoid/async' + * random(5).then(bytes => { + * bytes //=> [10, 67, 212, 67, 89] + * }) + * ``` + * + * @param bytes Size of the array. + * @returns A promise with a random bytes array. + */ +export function random(bytes: number): Promise diff --git a/node_modules/nanoid/async/index.js b/node_modules/nanoid/async/index.js new file mode 100644 index 0000000..cec454a --- /dev/null +++ b/node_modules/nanoid/async/index.js @@ -0,0 +1,35 @@ +import crypto from 'crypto' +import { urlAlphabet } from '../url-alphabet/index.js' +let random = bytes => + new Promise((resolve, reject) => { + crypto.randomFill(Buffer.allocUnsafe(bytes), (err, buf) => { + if (err) { + reject(err) + } else { + resolve(buf) + } + }) + }) +let customAlphabet = (alphabet, defaultSize = 21) => { + let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1 + let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length) + let tick = (id, size = defaultSize) => + random(step).then(bytes => { + let i = step + while (i--) { + id += alphabet[bytes[i] & mask] || '' + if (id.length >= size) return id + } + return tick(id, size) + }) + return size => tick('', size) +} +let nanoid = (size = 21) => + random((size |= 0)).then(bytes => { + let id = '' + while (size--) { + id += urlAlphabet[bytes[size] & 63] + } + return id + }) +export { nanoid, customAlphabet, random } diff --git a/node_modules/nanoid/async/index.native.js b/node_modules/nanoid/async/index.native.js new file mode 100644 index 0000000..7c1d6f3 --- /dev/null +++ b/node_modules/nanoid/async/index.native.js @@ -0,0 +1,26 @@ +import { getRandomBytesAsync } from 'expo-random' +import { urlAlphabet } from '../url-alphabet/index.js' +let random = getRandomBytesAsync +let customAlphabet = (alphabet, defaultSize = 21) => { + let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1 + let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length) + let tick = (id, size = defaultSize) => + random(step).then(bytes => { + let i = step + while (i--) { + id += alphabet[bytes[i] & mask] || '' + if (id.length >= size) return id + } + return tick(id, size) + }) + return size => tick('', size) +} +let nanoid = (size = 21) => + random((size |= 0)).then(bytes => { + let id = '' + while (size--) { + id += urlAlphabet[bytes[size] & 63] + } + return id + }) +export { nanoid, customAlphabet, random } diff --git a/node_modules/nanoid/async/package.json b/node_modules/nanoid/async/package.json new file mode 100644 index 0000000..578cdb4 --- /dev/null +++ b/node_modules/nanoid/async/package.json @@ -0,0 +1,12 @@ +{ + "type": "module", + "main": "index.cjs", + "module": "index.js", + "react-native": { + "./index.js": "./index.native.js" + }, + "browser": { + "./index.js": "./index.browser.js", + "./index.cjs": "./index.browser.cjs" + } +} \ No newline at end of file diff --git a/node_modules/nanoid/bin/nanoid.cjs b/node_modules/nanoid/bin/nanoid.cjs new file mode 100755 index 0000000..c76db0f --- /dev/null +++ b/node_modules/nanoid/bin/nanoid.cjs @@ -0,0 +1,55 @@ +#!/usr/bin/env node + +let { nanoid, customAlphabet } = require('..') + +function print(msg) { + process.stdout.write(msg + '\n') +} + +function error(msg) { + process.stderr.write(msg + '\n') + process.exit(1) +} + +if (process.argv.includes('--help') || process.argv.includes('-h')) { + print(` + Usage + $ nanoid [options] + + Options + -s, --size Generated ID size + -a, --alphabet Alphabet to use + -h, --help Show this help + + Examples + $ nanoid --s 15 + S9sBF77U6sDB8Yg + + $ nanoid --size 10 --alphabet abc + bcabababca`) + process.exit() +} + +let alphabet, size +for (let i = 2; i < process.argv.length; i++) { + let arg = process.argv[i] + if (arg === '--size' || arg === '-s') { + size = Number(process.argv[i + 1]) + i += 1 + if (Number.isNaN(size) || size <= 0) { + error('Size must be positive integer') + } + } else if (arg === '--alphabet' || arg === '-a') { + alphabet = process.argv[i + 1] + i += 1 + } else { + error('Unknown argument ' + arg) + } +} + +if (alphabet) { + let customNanoid = customAlphabet(alphabet, size) + print(customNanoid()) +} else { + print(nanoid(size)) +} diff --git a/node_modules/nanoid/index.browser.cjs b/node_modules/nanoid/index.browser.cjs new file mode 100644 index 0000000..d21a91f --- /dev/null +++ b/node_modules/nanoid/index.browser.cjs @@ -0,0 +1,72 @@ +// This file replaces `index.js` in bundlers like webpack or Rollup, +// according to `browser` config in `package.json`. + +let { urlAlphabet } = require('./url-alphabet/index.cjs') + +let random = bytes => crypto.getRandomValues(new Uint8Array(bytes)) + +let customRandom = (alphabet, defaultSize, getRandom) => { + // First, a bitmask is necessary to generate the ID. The bitmask makes bytes + // values closer to the alphabet size. The bitmask calculates the closest + // `2^31 - 1` number, which exceeds the alphabet size. + // For example, the bitmask for the alphabet size 30 is 31 (00011111). + // `Math.clz32` is not used, because it is not available in browsers. + let mask = (2 << (Math.log(alphabet.length - 1) / Math.LN2)) - 1 + // Though, the bitmask solution is not perfect since the bytes exceeding + // the alphabet size are refused. Therefore, to reliably generate the ID, + // the random bytes redundancy has to be satisfied. + + // Note: every hardware random generator call is performance expensive, + // because the system call for entropy collection takes a lot of time. + // So, to avoid additional system calls, extra bytes are requested in advance. + + // Next, a step determines how many random bytes to generate. + // The number of random bytes gets decided upon the ID size, mask, + // alphabet size, and magic number 1.6 (using 1.6 peaks at performance + // according to benchmarks). + + // `-~f => Math.ceil(f)` if f is a float + // `-~i => i + 1` if i is an integer + let step = -~((1.6 * mask * defaultSize) / alphabet.length) + + return (size = defaultSize) => { + let id = '' + while (true) { + let bytes = getRandom(step) + // A compact alternative for `for (var i = 0; i < step; i++)`. + let j = step | 0 + while (j--) { + // Adding `|| ''` refuses a random byte that exceeds the alphabet size. + id += alphabet[bytes[j] & mask] || '' + if (id.length === size) return id + } + } + } +} + +let customAlphabet = (alphabet, size = 21) => + customRandom(alphabet, size, random) + +let nanoid = (size = 21) => + crypto.getRandomValues(new Uint8Array(size)).reduce((id, byte) => { + // It is incorrect to use bytes exceeding the alphabet size. + // The following mask reduces the random byte in the 0-255 value + // range to the 0-63 value range. Therefore, adding hacks, such + // as empty string fallback or magic numbers, is unneccessary because + // the bitmask trims bytes down to the alphabet size. + byte &= 63 + if (byte < 36) { + // `0-9a-z` + id += byte.toString(36) + } else if (byte < 62) { + // `A-Z` + id += (byte - 26).toString(36).toUpperCase() + } else if (byte > 62) { + id += '-' + } else { + id += '_' + } + return id + }, '') + +module.exports = { nanoid, customAlphabet, customRandom, urlAlphabet, random } diff --git a/node_modules/nanoid/index.browser.js b/node_modules/nanoid/index.browser.js new file mode 100644 index 0000000..7d3b876 --- /dev/null +++ b/node_modules/nanoid/index.browser.js @@ -0,0 +1,34 @@ +import { urlAlphabet } from './url-alphabet/index.js' +let random = bytes => crypto.getRandomValues(new Uint8Array(bytes)) +let customRandom = (alphabet, defaultSize, getRandom) => { + let mask = (2 << (Math.log(alphabet.length - 1) / Math.LN2)) - 1 + let step = -~((1.6 * mask * defaultSize) / alphabet.length) + return (size = defaultSize) => { + let id = '' + while (true) { + let bytes = getRandom(step) + let j = step | 0 + while (j--) { + id += alphabet[bytes[j] & mask] || '' + if (id.length === size) return id + } + } + } +} +let customAlphabet = (alphabet, size = 21) => + customRandom(alphabet, size, random) +let nanoid = (size = 21) => + crypto.getRandomValues(new Uint8Array(size)).reduce((id, byte) => { + byte &= 63 + if (byte < 36) { + id += byte.toString(36) + } else if (byte < 62) { + id += (byte - 26).toString(36).toUpperCase() + } else if (byte > 62) { + id += '-' + } else { + id += '_' + } + return id + }, '') +export { nanoid, customAlphabet, customRandom, urlAlphabet, random } diff --git a/node_modules/nanoid/index.cjs b/node_modules/nanoid/index.cjs new file mode 100644 index 0000000..c20e374 --- /dev/null +++ b/node_modules/nanoid/index.cjs @@ -0,0 +1,85 @@ +let crypto = require('crypto') + +let { urlAlphabet } = require('./url-alphabet/index.cjs') + +// It is best to make fewer, larger requests to the crypto module to +// avoid system call overhead. So, random numbers are generated in a +// pool. The pool is a Buffer that is larger than the initial random +// request size by this multiplier. The pool is enlarged if subsequent +// requests exceed the maximum buffer size. +const POOL_SIZE_MULTIPLIER = 128 +let pool, poolOffset + +let fillPool = bytes => { + if (!pool || pool.length < bytes) { + pool = Buffer.allocUnsafe(bytes * POOL_SIZE_MULTIPLIER) + crypto.randomFillSync(pool) + poolOffset = 0 + } else if (poolOffset + bytes > pool.length) { + crypto.randomFillSync(pool) + poolOffset = 0 + } + poolOffset += bytes +} + +let random = bytes => { + // `|=` convert `bytes` to number to prevent `valueOf` abusing and pool pollution + fillPool((bytes |= 0)) + return pool.subarray(poolOffset - bytes, poolOffset) +} + +let customRandom = (alphabet, defaultSize, getRandom) => { + // First, a bitmask is necessary to generate the ID. The bitmask makes bytes + // values closer to the alphabet size. The bitmask calculates the closest + // `2^31 - 1` number, which exceeds the alphabet size. + // For example, the bitmask for the alphabet size 30 is 31 (00011111). + let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1 + // Though, the bitmask solution is not perfect since the bytes exceeding + // the alphabet size are refused. Therefore, to reliably generate the ID, + // the random bytes redundancy has to be satisfied. + + // Note: every hardware random generator call is performance expensive, + // because the system call for entropy collection takes a lot of time. + // So, to avoid additional system calls, extra bytes are requested in advance. + + // Next, a step determines how many random bytes to generate. + // The number of random bytes gets decided upon the ID size, mask, + // alphabet size, and magic number 1.6 (using 1.6 peaks at performance + // according to benchmarks). + let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length) + + return (size = defaultSize) => { + let id = '' + while (true) { + let bytes = getRandom(step) + // A compact alternative for `for (let i = 0; i < step; i++)`. + let i = step + while (i--) { + // Adding `|| ''` refuses a random byte that exceeds the alphabet size. + id += alphabet[bytes[i] & mask] || '' + if (id.length === size) return id + } + } + } +} + +let customAlphabet = (alphabet, size = 21) => + customRandom(alphabet, size, random) + +let nanoid = (size = 21) => { + // `|=` convert `size` to number to prevent `valueOf` abusing and pool pollution + fillPool((size |= 0)) + let id = '' + // We are reading directly from the random pool to avoid creating new array + for (let i = poolOffset - size; i < poolOffset; i++) { + // It is incorrect to use bytes exceeding the alphabet size. + // The following mask reduces the random byte in the 0-255 value + // range to the 0-63 value range. Therefore, adding hacks, such + // as empty string fallback or magic numbers, is unneccessary because + // the bitmask trims bytes down to the alphabet size. + id += urlAlphabet[pool[i] & 63] + } + return id +} + +module.exports = { nanoid, customAlphabet, customRandom, urlAlphabet, random } diff --git a/node_modules/nanoid/index.d.cts b/node_modules/nanoid/index.d.cts new file mode 100644 index 0000000..3e111a3 --- /dev/null +++ b/node_modules/nanoid/index.d.cts @@ -0,0 +1,91 @@ +/** + * Generate secure URL-friendly unique ID. + * + * By default, the ID will have 21 symbols to have a collision probability + * similar to UUID v4. + * + * ```js + * import { nanoid } from 'nanoid' + * model.id = nanoid() //=> "Uakgb_J5m9g-0JDMbcJqL" + * ``` + * + * @param size Size of the ID. The default size is 21. + * @returns A random string. + */ +export function nanoid(size?: number): string + +/** + * Generate secure unique ID with custom alphabet. + * + * Alphabet must contain 256 symbols or less. Otherwise, the generator + * will not be secure. + * + * @param alphabet Alphabet used to generate the ID. + * @param defaultSize Size of the ID. The default size is 21. + * @returns A random string generator. + * + * ```js + * const { customAlphabet } = require('nanoid') + * const nanoid = customAlphabet('0123456789абвгдеё', 5) + * nanoid() //=> "8ё56а" + * ``` + */ +export function customAlphabet( + alphabet: string, + defaultSize?: number +): (size?: number) => string + +/** + * Generate unique ID with custom random generator and alphabet. + * + * Alphabet must contain 256 symbols or less. Otherwise, the generator + * will not be secure. + * + * ```js + * import { customRandom } from 'nanoid/format' + * + * const nanoid = customRandom('abcdef', 5, size => { + * const random = [] + * for (let i = 0; i < size; i++) { + * random.push(randomByte()) + * } + * return random + * }) + * + * nanoid() //=> "fbaef" + * ``` + * + * @param alphabet Alphabet used to generate a random string. + * @param size Size of the random string. + * @param random A random bytes generator. + * @returns A random string generator. + */ +export function customRandom( + alphabet: string, + size: number, + random: (bytes: number) => Uint8Array +): () => string + +/** + * URL safe symbols. + * + * ```js + * import { urlAlphabet } from 'nanoid' + * const nanoid = customAlphabet(urlAlphabet, 10) + * nanoid() //=> "Uakgb_J5m9" + * ``` + */ +export const urlAlphabet: string + +/** + * Generate an array of random bytes collected from hardware noise. + * + * ```js + * import { customRandom, random } from 'nanoid' + * const nanoid = customRandom("abcdef", 5, random) + * ``` + * + * @param bytes Size of the array. + * @returns An array of random bytes. + */ +export function random(bytes: number): Uint8Array diff --git a/node_modules/nanoid/index.d.ts b/node_modules/nanoid/index.d.ts new file mode 100644 index 0000000..3e111a3 --- /dev/null +++ b/node_modules/nanoid/index.d.ts @@ -0,0 +1,91 @@ +/** + * Generate secure URL-friendly unique ID. + * + * By default, the ID will have 21 symbols to have a collision probability + * similar to UUID v4. + * + * ```js + * import { nanoid } from 'nanoid' + * model.id = nanoid() //=> "Uakgb_J5m9g-0JDMbcJqL" + * ``` + * + * @param size Size of the ID. The default size is 21. + * @returns A random string. + */ +export function nanoid(size?: number): string + +/** + * Generate secure unique ID with custom alphabet. + * + * Alphabet must contain 256 symbols or less. Otherwise, the generator + * will not be secure. + * + * @param alphabet Alphabet used to generate the ID. + * @param defaultSize Size of the ID. The default size is 21. + * @returns A random string generator. + * + * ```js + * const { customAlphabet } = require('nanoid') + * const nanoid = customAlphabet('0123456789абвгдеё', 5) + * nanoid() //=> "8ё56а" + * ``` + */ +export function customAlphabet( + alphabet: string, + defaultSize?: number +): (size?: number) => string + +/** + * Generate unique ID with custom random generator and alphabet. + * + * Alphabet must contain 256 symbols or less. Otherwise, the generator + * will not be secure. + * + * ```js + * import { customRandom } from 'nanoid/format' + * + * const nanoid = customRandom('abcdef', 5, size => { + * const random = [] + * for (let i = 0; i < size; i++) { + * random.push(randomByte()) + * } + * return random + * }) + * + * nanoid() //=> "fbaef" + * ``` + * + * @param alphabet Alphabet used to generate a random string. + * @param size Size of the random string. + * @param random A random bytes generator. + * @returns A random string generator. + */ +export function customRandom( + alphabet: string, + size: number, + random: (bytes: number) => Uint8Array +): () => string + +/** + * URL safe symbols. + * + * ```js + * import { urlAlphabet } from 'nanoid' + * const nanoid = customAlphabet(urlAlphabet, 10) + * nanoid() //=> "Uakgb_J5m9" + * ``` + */ +export const urlAlphabet: string + +/** + * Generate an array of random bytes collected from hardware noise. + * + * ```js + * import { customRandom, random } from 'nanoid' + * const nanoid = customRandom("abcdef", 5, random) + * ``` + * + * @param bytes Size of the array. + * @returns An array of random bytes. + */ +export function random(bytes: number): Uint8Array diff --git a/node_modules/nanoid/index.js b/node_modules/nanoid/index.js new file mode 100644 index 0000000..9bc909d --- /dev/null +++ b/node_modules/nanoid/index.js @@ -0,0 +1,45 @@ +import crypto from 'crypto' +import { urlAlphabet } from './url-alphabet/index.js' +const POOL_SIZE_MULTIPLIER = 128 +let pool, poolOffset +let fillPool = bytes => { + if (!pool || pool.length < bytes) { + pool = Buffer.allocUnsafe(bytes * POOL_SIZE_MULTIPLIER) + crypto.randomFillSync(pool) + poolOffset = 0 + } else if (poolOffset + bytes > pool.length) { + crypto.randomFillSync(pool) + poolOffset = 0 + } + poolOffset += bytes +} +let random = bytes => { + fillPool((bytes |= 0)) + return pool.subarray(poolOffset - bytes, poolOffset) +} +let customRandom = (alphabet, defaultSize, getRandom) => { + let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1 + let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length) + return (size = defaultSize) => { + let id = '' + while (true) { + let bytes = getRandom(step) + let i = step + while (i--) { + id += alphabet[bytes[i] & mask] || '' + if (id.length === size) return id + } + } + } +} +let customAlphabet = (alphabet, size = 21) => + customRandom(alphabet, size, random) +let nanoid = (size = 21) => { + fillPool((size |= 0)) + let id = '' + for (let i = poolOffset - size; i < poolOffset; i++) { + id += urlAlphabet[pool[i] & 63] + } + return id +} +export { nanoid, customAlphabet, customRandom, urlAlphabet, random } diff --git a/node_modules/nanoid/nanoid.js b/node_modules/nanoid/nanoid.js new file mode 100644 index 0000000..ec242ea --- /dev/null +++ b/node_modules/nanoid/nanoid.js @@ -0,0 +1 @@ +export let nanoid=(t=21)=>crypto.getRandomValues(new Uint8Array(t)).reduce(((t,e)=>t+=(e&=63)<36?e.toString(36):e<62?(e-26).toString(36).toUpperCase():e<63?"_":"-"),""); \ No newline at end of file diff --git a/node_modules/nanoid/non-secure/index.cjs b/node_modules/nanoid/non-secure/index.cjs new file mode 100644 index 0000000..d51fcb6 --- /dev/null +++ b/node_modules/nanoid/non-secure/index.cjs @@ -0,0 +1,34 @@ +// This alphabet uses `A-Za-z0-9_-` symbols. +// The order of characters is optimized for better gzip and brotli compression. +// References to the same file (works both for gzip and brotli): +// `'use`, `andom`, and `rict'` +// References to the brotli default dictionary: +// `-26T`, `1983`, `40px`, `75px`, `bush`, `jack`, `mind`, `very`, and `wolf` +let urlAlphabet = + 'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict' + +let customAlphabet = (alphabet, defaultSize = 21) => { + return (size = defaultSize) => { + let id = '' + // A compact alternative for `for (var i = 0; i < step; i++)`. + let i = size | 0 + while (i--) { + // `| 0` is more compact and faster than `Math.floor()`. + id += alphabet[(Math.random() * alphabet.length) | 0] + } + return id + } +} + +let nanoid = (size = 21) => { + let id = '' + // A compact alternative for `for (var i = 0; i < step; i++)`. + let i = size | 0 + while (i--) { + // `| 0` is more compact and faster than `Math.floor()`. + id += urlAlphabet[(Math.random() * 64) | 0] + } + return id +} + +module.exports = { nanoid, customAlphabet } diff --git a/node_modules/nanoid/non-secure/index.d.ts b/node_modules/nanoid/non-secure/index.d.ts new file mode 100644 index 0000000..4965322 --- /dev/null +++ b/node_modules/nanoid/non-secure/index.d.ts @@ -0,0 +1,33 @@ +/** + * Generate URL-friendly unique ID. This method uses the non-secure + * predictable random generator with bigger collision probability. + * + * ```js + * import { nanoid } from 'nanoid/non-secure' + * model.id = nanoid() //=> "Uakgb_J5m9g-0JDMbcJqL" + * ``` + * + * @param size Size of the ID. The default size is 21. + * @returns A random string. + */ +export function nanoid(size?: number): string + +/** + * Generate a unique ID based on a custom alphabet. + * This method uses the non-secure predictable random generator + * with bigger collision probability. + * + * @param alphabet Alphabet used to generate the ID. + * @param defaultSize Size of the ID. The default size is 21. + * @returns A random string generator. + * + * ```js + * import { customAlphabet } from 'nanoid/non-secure' + * const nanoid = customAlphabet('0123456789абвгдеё', 5) + * model.id = //=> "8ё56а" + * ``` + */ +export function customAlphabet( + alphabet: string, + defaultSize?: number +): (size?: number) => string diff --git a/node_modules/nanoid/non-secure/index.js b/node_modules/nanoid/non-secure/index.js new file mode 100644 index 0000000..2ea5827 --- /dev/null +++ b/node_modules/nanoid/non-secure/index.js @@ -0,0 +1,21 @@ +let urlAlphabet = + 'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict' +let customAlphabet = (alphabet, defaultSize = 21) => { + return (size = defaultSize) => { + let id = '' + let i = size | 0 + while (i--) { + id += alphabet[(Math.random() * alphabet.length) | 0] + } + return id + } +} +let nanoid = (size = 21) => { + let id = '' + let i = size | 0 + while (i--) { + id += urlAlphabet[(Math.random() * 64) | 0] + } + return id +} +export { nanoid, customAlphabet } diff --git a/node_modules/nanoid/non-secure/package.json b/node_modules/nanoid/non-secure/package.json new file mode 100644 index 0000000..9930d6a --- /dev/null +++ b/node_modules/nanoid/non-secure/package.json @@ -0,0 +1,6 @@ +{ + "type": "module", + "main": "index.cjs", + "module": "index.js", + "react-native": "index.js" +} \ No newline at end of file diff --git a/node_modules/nanoid/package.json b/node_modules/nanoid/package.json new file mode 100644 index 0000000..a3d3f44 --- /dev/null +++ b/node_modules/nanoid/package.json @@ -0,0 +1,89 @@ +{ + "name": "nanoid", + "version": "3.3.11", + "description": "A tiny (116 bytes), secure URL-friendly unique string ID generator", + "keywords": [ + "uuid", + "random", + "id", + "url" + ], + "engines": { + "node": "^10 || ^12 || ^13.7 || ^14 || >=15.0.1" + }, + "funding": [ + { + "type": "github", + "url": "https://github.com/sponsors/ai" + } + ], + "author": "Andrey Sitnik ", + "license": "MIT", + "repository": "ai/nanoid", + "browser": { + "./index.js": "./index.browser.js", + "./async/index.js": "./async/index.browser.js", + "./async/index.cjs": "./async/index.browser.cjs", + "./index.cjs": "./index.browser.cjs" + }, + "react-native": "index.js", + "bin": "./bin/nanoid.cjs", + "sideEffects": false, + "types": "./index.d.ts", + "type": "module", + "main": "index.cjs", + "module": "index.js", + "exports": { + ".": { + "react-native": "./index.browser.js", + "browser": "./index.browser.js", + "require": { + "types": "./index.d.cts", + "default": "./index.cjs" + }, + "import": { + "types": "./index.d.ts", + "default": "./index.js" + }, + "default": "./index.js" + }, + "./package.json": "./package.json", + "./async/package.json": "./async/package.json", + "./async": { + "browser": "./async/index.browser.js", + "require": { + "types": "./index.d.cts", + "default": "./async/index.cjs" + }, + "import": { + "types": "./index.d.ts", + "default": "./async/index.js" + }, + "default": "./async/index.js" + }, + "./non-secure/package.json": "./non-secure/package.json", + "./non-secure": { + "require": { + "types": "./index.d.cts", + "default": "./non-secure/index.cjs" + }, + "import": { + "types": "./index.d.ts", + "default": "./non-secure/index.js" + }, + "default": "./non-secure/index.js" + }, + "./url-alphabet/package.json": "./url-alphabet/package.json", + "./url-alphabet": { + "require": { + "types": "./index.d.cts", + "default": "./url-alphabet/index.cjs" + }, + "import": { + "types": "./index.d.ts", + "default": "./url-alphabet/index.js" + }, + "default": "./url-alphabet/index.js" + } + } +} diff --git a/node_modules/nanoid/url-alphabet/index.cjs b/node_modules/nanoid/url-alphabet/index.cjs new file mode 100644 index 0000000..a332f0b --- /dev/null +++ b/node_modules/nanoid/url-alphabet/index.cjs @@ -0,0 +1,7 @@ +// This alphabet uses `A-Za-z0-9_-` symbols. +// The order of characters is optimized for better gzip and brotli compression. +// Same as in non-secure/index.js +let urlAlphabet = + 'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict' + +module.exports = { urlAlphabet } diff --git a/node_modules/nanoid/url-alphabet/index.js b/node_modules/nanoid/url-alphabet/index.js new file mode 100644 index 0000000..c2782e5 --- /dev/null +++ b/node_modules/nanoid/url-alphabet/index.js @@ -0,0 +1,3 @@ +let urlAlphabet = + 'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict' +export { urlAlphabet } diff --git a/node_modules/nanoid/url-alphabet/package.json b/node_modules/nanoid/url-alphabet/package.json new file mode 100644 index 0000000..9930d6a --- /dev/null +++ b/node_modules/nanoid/url-alphabet/package.json @@ -0,0 +1,6 @@ +{ + "type": "module", + "main": "index.cjs", + "module": "index.js", + "react-native": "index.js" +} \ No newline at end of file diff --git a/node_modules/picocolors/LICENSE b/node_modules/picocolors/LICENSE new file mode 100644 index 0000000..46c9b95 --- /dev/null +++ b/node_modules/picocolors/LICENSE @@ -0,0 +1,15 @@ +ISC License + +Copyright (c) 2021-2024 Oleksii Raspopov, Kostiantyn Denysov, Anton Verinov + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/node_modules/picocolors/README.md b/node_modules/picocolors/README.md new file mode 100644 index 0000000..8e47aa8 --- /dev/null +++ b/node_modules/picocolors/README.md @@ -0,0 +1,21 @@ +# picocolors + +The tiniest and the fastest library for terminal output formatting with ANSI colors. + +```javascript +import pc from "picocolors" + +console.log( + pc.green(`How are ${pc.italic(`you`)} doing?`) +) +``` + +- **No dependencies.** +- **14 times** smaller and **2 times** faster than chalk. +- Used by popular tools like PostCSS, SVGO, Stylelint, and Browserslist. +- Node.js v6+ & browsers support. Support for both CJS and ESM projects. +- TypeScript type declarations included. +- [`NO_COLOR`](https://no-color.org/) friendly. + +## Docs +Read **[full docs](https://github.com/alexeyraspopov/picocolors#readme)** on GitHub. diff --git a/node_modules/picocolors/package.json b/node_modules/picocolors/package.json new file mode 100644 index 0000000..372d4b6 --- /dev/null +++ b/node_modules/picocolors/package.json @@ -0,0 +1,25 @@ +{ + "name": "picocolors", + "version": "1.1.1", + "main": "./picocolors.js", + "types": "./picocolors.d.ts", + "browser": { + "./picocolors.js": "./picocolors.browser.js" + }, + "sideEffects": false, + "description": "The tiniest and the fastest library for terminal output formatting with ANSI colors", + "files": [ + "picocolors.*", + "types.d.ts" + ], + "keywords": [ + "terminal", + "colors", + "formatting", + "cli", + "console" + ], + "author": "Alexey Raspopov", + "repository": "alexeyraspopov/picocolors", + "license": "ISC" +} diff --git a/node_modules/picocolors/picocolors.browser.js b/node_modules/picocolors/picocolors.browser.js new file mode 100644 index 0000000..9dcf637 --- /dev/null +++ b/node_modules/picocolors/picocolors.browser.js @@ -0,0 +1,4 @@ +var x=String; +var create=function() {return {isColorSupported:false,reset:x,bold:x,dim:x,italic:x,underline:x,inverse:x,hidden:x,strikethrough:x,black:x,red:x,green:x,yellow:x,blue:x,magenta:x,cyan:x,white:x,gray:x,bgBlack:x,bgRed:x,bgGreen:x,bgYellow:x,bgBlue:x,bgMagenta:x,bgCyan:x,bgWhite:x,blackBright:x,redBright:x,greenBright:x,yellowBright:x,blueBright:x,magentaBright:x,cyanBright:x,whiteBright:x,bgBlackBright:x,bgRedBright:x,bgGreenBright:x,bgYellowBright:x,bgBlueBright:x,bgMagentaBright:x,bgCyanBright:x,bgWhiteBright:x}}; +module.exports=create(); +module.exports.createColors = create; diff --git a/node_modules/picocolors/picocolors.d.ts b/node_modules/picocolors/picocolors.d.ts new file mode 100644 index 0000000..94e146a --- /dev/null +++ b/node_modules/picocolors/picocolors.d.ts @@ -0,0 +1,5 @@ +import { Colors } from "./types" + +declare const picocolors: Colors & { createColors: (enabled?: boolean) => Colors } + +export = picocolors diff --git a/node_modules/picocolors/picocolors.js b/node_modules/picocolors/picocolors.js new file mode 100644 index 0000000..e32df85 --- /dev/null +++ b/node_modules/picocolors/picocolors.js @@ -0,0 +1,75 @@ +let p = process || {}, argv = p.argv || [], env = p.env || {} +let isColorSupported = + !(!!env.NO_COLOR || argv.includes("--no-color")) && + (!!env.FORCE_COLOR || argv.includes("--color") || p.platform === "win32" || ((p.stdout || {}).isTTY && env.TERM !== "dumb") || !!env.CI) + +let formatter = (open, close, replace = open) => + input => { + let string = "" + input, index = string.indexOf(close, open.length) + return ~index ? open + replaceClose(string, close, replace, index) + close : open + string + close + } + +let replaceClose = (string, close, replace, index) => { + let result = "", cursor = 0 + do { + result += string.substring(cursor, index) + replace + cursor = index + close.length + index = string.indexOf(close, cursor) + } while (~index) + return result + string.substring(cursor) +} + +let createColors = (enabled = isColorSupported) => { + let f = enabled ? formatter : () => String + return { + isColorSupported: enabled, + reset: f("\x1b[0m", "\x1b[0m"), + bold: f("\x1b[1m", "\x1b[22m", "\x1b[22m\x1b[1m"), + dim: f("\x1b[2m", "\x1b[22m", "\x1b[22m\x1b[2m"), + italic: f("\x1b[3m", "\x1b[23m"), + underline: f("\x1b[4m", "\x1b[24m"), + inverse: f("\x1b[7m", "\x1b[27m"), + hidden: f("\x1b[8m", "\x1b[28m"), + strikethrough: f("\x1b[9m", "\x1b[29m"), + + black: f("\x1b[30m", "\x1b[39m"), + red: f("\x1b[31m", "\x1b[39m"), + green: f("\x1b[32m", "\x1b[39m"), + yellow: f("\x1b[33m", "\x1b[39m"), + blue: f("\x1b[34m", "\x1b[39m"), + magenta: f("\x1b[35m", "\x1b[39m"), + cyan: f("\x1b[36m", "\x1b[39m"), + white: f("\x1b[37m", "\x1b[39m"), + gray: f("\x1b[90m", "\x1b[39m"), + + bgBlack: f("\x1b[40m", "\x1b[49m"), + bgRed: f("\x1b[41m", "\x1b[49m"), + bgGreen: f("\x1b[42m", "\x1b[49m"), + bgYellow: f("\x1b[43m", "\x1b[49m"), + bgBlue: f("\x1b[44m", "\x1b[49m"), + bgMagenta: f("\x1b[45m", "\x1b[49m"), + bgCyan: f("\x1b[46m", "\x1b[49m"), + bgWhite: f("\x1b[47m", "\x1b[49m"), + + blackBright: f("\x1b[90m", "\x1b[39m"), + redBright: f("\x1b[91m", "\x1b[39m"), + greenBright: f("\x1b[92m", "\x1b[39m"), + yellowBright: f("\x1b[93m", "\x1b[39m"), + blueBright: f("\x1b[94m", "\x1b[39m"), + magentaBright: f("\x1b[95m", "\x1b[39m"), + cyanBright: f("\x1b[96m", "\x1b[39m"), + whiteBright: f("\x1b[97m", "\x1b[39m"), + + bgBlackBright: f("\x1b[100m", "\x1b[49m"), + bgRedBright: f("\x1b[101m", "\x1b[49m"), + bgGreenBright: f("\x1b[102m", "\x1b[49m"), + bgYellowBright: f("\x1b[103m", "\x1b[49m"), + bgBlueBright: f("\x1b[104m", "\x1b[49m"), + bgMagentaBright: f("\x1b[105m", "\x1b[49m"), + bgCyanBright: f("\x1b[106m", "\x1b[49m"), + bgWhiteBright: f("\x1b[107m", "\x1b[49m"), + } +} + +module.exports = createColors() +module.exports.createColors = createColors diff --git a/node_modules/picocolors/types.d.ts b/node_modules/picocolors/types.d.ts new file mode 100644 index 0000000..cd1aec4 --- /dev/null +++ b/node_modules/picocolors/types.d.ts @@ -0,0 +1,51 @@ +export type Formatter = (input: string | number | null | undefined) => string + +export interface Colors { + isColorSupported: boolean + + reset: Formatter + bold: Formatter + dim: Formatter + italic: Formatter + underline: Formatter + inverse: Formatter + hidden: Formatter + strikethrough: Formatter + + black: Formatter + red: Formatter + green: Formatter + yellow: Formatter + blue: Formatter + magenta: Formatter + cyan: Formatter + white: Formatter + gray: Formatter + + bgBlack: Formatter + bgRed: Formatter + bgGreen: Formatter + bgYellow: Formatter + bgBlue: Formatter + bgMagenta: Formatter + bgCyan: Formatter + bgWhite: Formatter + + blackBright: Formatter + redBright: Formatter + greenBright: Formatter + yellowBright: Formatter + blueBright: Formatter + magentaBright: Formatter + cyanBright: Formatter + whiteBright: Formatter + + bgBlackBright: Formatter + bgRedBright: Formatter + bgGreenBright: Formatter + bgYellowBright: Formatter + bgBlueBright: Formatter + bgMagentaBright: Formatter + bgCyanBright: Formatter + bgWhiteBright: Formatter +} diff --git a/node_modules/picomatch/LICENSE b/node_modules/picomatch/LICENSE new file mode 100644 index 0000000..3608dca --- /dev/null +++ b/node_modules/picomatch/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2017-present, Jon Schlinkert. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/node_modules/picomatch/README.md b/node_modules/picomatch/README.md new file mode 100644 index 0000000..0764496 --- /dev/null +++ b/node_modules/picomatch/README.md @@ -0,0 +1,738 @@ +

Picomatch

+ +

+ +version + + +test status + + +coverage status + + +downloads + +

+ +
+
+ +

+Blazing fast and accurate glob matcher written in JavaScript.
+No dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions. +

+ +
+
+ +## Why picomatch? + +* **Lightweight** - No dependencies +* **Minimal** - Tiny API surface. Main export is a function that takes a glob pattern and returns a matcher function. +* **Fast** - Loads in about 2ms (that's several times faster than a [single frame of a HD movie](http://www.endmemo.com/sconvert/framespersecondframespermillisecond.php) at 60fps) +* **Performant** - Use the returned matcher function to speed up repeat matching (like when watching files) +* **Accurate matching** - Using wildcards (`*` and `?`), globstars (`**`) for nested directories, [advanced globbing](#advanced-globbing) with extglobs, braces, and POSIX brackets, and support for escaping special characters with `\` or quotes. +* **Well tested** - Thousands of unit tests + +See the [library comparison](#library-comparisons) to other libraries. + +
+
+ +## Table of Contents + +
Click to expand + +- [Install](#install) +- [Usage](#usage) +- [API](#api) + * [picomatch](#picomatch) + * [.test](#test) + * [.matchBase](#matchbase) + * [.isMatch](#ismatch) + * [.parse](#parse) + * [.scan](#scan) + * [.compileRe](#compilere) + * [.makeRe](#makere) + * [.toRegex](#toregex) +- [Options](#options) + * [Picomatch options](#picomatch-options) + * [Scan Options](#scan-options) + * [Options Examples](#options-examples) +- [Globbing features](#globbing-features) + * [Basic globbing](#basic-globbing) + * [Advanced globbing](#advanced-globbing) + * [Braces](#braces) + * [Matching special characters as literals](#matching-special-characters-as-literals) +- [Library Comparisons](#library-comparisons) +- [Benchmarks](#benchmarks) +- [Philosophies](#philosophies) +- [About](#about) + * [Author](#author) + * [License](#license) + +_(TOC generated by [verb](https://github.com/verbose/verb) using [markdown-toc](https://github.com/jonschlinkert/markdown-toc))_ + +
+ +
+
+ +## Install + +Install with [npm](https://www.npmjs.com/): + +```sh +npm install --save picomatch +``` + +
+ +## Usage + +The main export is a function that takes a glob pattern and an options object and returns a function for matching strings. + +```js +const pm = require('picomatch'); +const isMatch = pm('*.js'); + +console.log(isMatch('abcd')); //=> false +console.log(isMatch('a.js')); //=> true +console.log(isMatch('a.md')); //=> false +console.log(isMatch('a/b.js')); //=> false +``` + +
+ +## API + +### [picomatch](lib/picomatch.js#L31) + +Creates a matcher function from one or more glob patterns. The returned function takes a string to match as its first argument, and returns true if the string is a match. The returned matcher function also takes a boolean as the second argument that, when true, returns an object with additional information. + +**Params** + +* `globs` **{String|Array}**: One or more glob patterns. +* `options` **{Object=}** +* `returns` **{Function=}**: Returns a matcher function. + +**Example** + +```js +const picomatch = require('picomatch'); +// picomatch(glob[, options]); + +const isMatch = picomatch('*.!(*a)'); +console.log(isMatch('a.a')); //=> false +console.log(isMatch('a.b')); //=> true +``` + +**Example without node.js** + +For environments without `node.js`, `picomatch/posix` provides you a dependency-free matcher, without automatic OS detection. + +```js +const picomatch = require('picomatch/posix'); +// the same API, defaulting to posix paths +const isMatch = picomatch('a/*'); +console.log(isMatch('a\\b')); //=> false +console.log(isMatch('a/b')); //=> true + +// you can still configure the matcher function to accept windows paths +const isMatch = picomatch('a/*', { options: windows }); +console.log(isMatch('a\\b')); //=> true +console.log(isMatch('a/b')); //=> true +``` + +### [.test](lib/picomatch.js#L116) + +Test `input` with the given `regex`. This is used by the main `picomatch()` function to test the input string. + +**Params** + +* `input` **{String}**: String to test. +* `regex` **{RegExp}** +* `returns` **{Object}**: Returns an object with matching info. + +**Example** + +```js +const picomatch = require('picomatch'); +// picomatch.test(input, regex[, options]); + +console.log(picomatch.test('foo/bar', /^(?:([^/]*?)\/([^/]*?))$/)); +// { isMatch: true, match: [ 'foo/', 'foo', 'bar' ], output: 'foo/bar' } +``` + +### [.matchBase](lib/picomatch.js#L160) + +Match the basename of a filepath. + +**Params** + +* `input` **{String}**: String to test. +* `glob` **{RegExp|String}**: Glob pattern or regex created by [.makeRe](#makeRe). +* `returns` **{Boolean}** + +**Example** + +```js +const picomatch = require('picomatch'); +// picomatch.matchBase(input, glob[, options]); +console.log(picomatch.matchBase('foo/bar.js', '*.js'); // true +``` + +### [.isMatch](lib/picomatch.js#L182) + +Returns true if **any** of the given glob `patterns` match the specified `string`. + +**Params** + +* **{String|Array}**: str The string to test. +* **{String|Array}**: patterns One or more glob patterns to use for matching. +* **{Object}**: See available [options](#options). +* `returns` **{Boolean}**: Returns true if any patterns match `str` + +**Example** + +```js +const picomatch = require('picomatch'); +// picomatch.isMatch(string, patterns[, options]); + +console.log(picomatch.isMatch('a.a', ['b.*', '*.a'])); //=> true +console.log(picomatch.isMatch('a.a', 'b.*')); //=> false +``` + +### [.parse](lib/picomatch.js#L198) + +Parse a glob pattern to create the source string for a regular expression. + +**Params** + +* `pattern` **{String}** +* `options` **{Object}** +* `returns` **{Object}**: Returns an object with useful properties and output to be used as a regex source string. + +**Example** + +```js +const picomatch = require('picomatch'); +const result = picomatch.parse(pattern[, options]); +``` + +### [.scan](lib/picomatch.js#L230) + +Scan a glob pattern to separate the pattern into segments. + +**Params** + +* `input` **{String}**: Glob pattern to scan. +* `options` **{Object}** +* `returns` **{Object}**: Returns an object with + +**Example** + +```js +const picomatch = require('picomatch'); +// picomatch.scan(input[, options]); + +const result = picomatch.scan('!./foo/*.js'); +console.log(result); +{ prefix: '!./', + input: '!./foo/*.js', + start: 3, + base: 'foo', + glob: '*.js', + isBrace: false, + isBracket: false, + isGlob: true, + isExtglob: false, + isGlobstar: false, + negated: true } +``` + +### [.compileRe](lib/picomatch.js#L244) + +Compile a regular expression from the `state` object returned by the +[parse()](#parse) method. + +**Params** + +* `state` **{Object}** +* `options` **{Object}** +* `returnOutput` **{Boolean}**: Intended for implementors, this argument allows you to return the raw output from the parser. +* `returnState` **{Boolean}**: Adds the state to a `state` property on the returned regex. Useful for implementors and debugging. +* `returns` **{RegExp}** + +### [.makeRe](lib/picomatch.js#L285) + +Create a regular expression from a parsed glob pattern. + +**Params** + +* `state` **{String}**: The object returned from the `.parse` method. +* `options` **{Object}** +* `returnOutput` **{Boolean}**: Implementors may use this argument to return the compiled output, instead of a regular expression. This is not exposed on the options to prevent end-users from mutating the result. +* `returnState` **{Boolean}**: Implementors may use this argument to return the state from the parsed glob with the returned regular expression. +* `returns` **{RegExp}**: Returns a regex created from the given pattern. + +**Example** + +```js +const picomatch = require('picomatch'); +const state = picomatch.parse('*.js'); +// picomatch.compileRe(state[, options]); + +console.log(picomatch.compileRe(state)); +//=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/ +``` + +### [.toRegex](lib/picomatch.js#L320) + +Create a regular expression from the given regex source string. + +**Params** + +* `source` **{String}**: Regular expression source string. +* `options` **{Object}** +* `returns` **{RegExp}** + +**Example** + +```js +const picomatch = require('picomatch'); +// picomatch.toRegex(source[, options]); + +const { output } = picomatch.parse('*.js'); +console.log(picomatch.toRegex(output)); +//=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/ +``` + +
+ +## Options + +### Picomatch options + +The following options may be used with the main `picomatch()` function or any of the methods on the picomatch API. + +| **Option** | **Type** | **Default value** | **Description** | +| --- | --- | --- | --- | +| `basename` | `boolean` | `false` | If set, then patterns without slashes will be matched against the basename of the path if it contains slashes. For example, `a?b` would match the path `/xyz/123/acb`, but not `/xyz/acb/123`. | +| `bash` | `boolean` | `false` | Follow bash matching rules more strictly - disallows backslashes as escape characters, and treats single stars as globstars (`**`). | +| `capture` | `boolean` | `undefined` | Return regex matches in supporting methods. | +| `contains` | `boolean` | `undefined` | Allows glob to match any part of the given string(s). | +| `cwd` | `string` | `process.cwd()` | Current working directory. Used by `picomatch.split()` | +| `debug` | `boolean` | `undefined` | Debug regular expressions when an error is thrown. | +| `dot` | `boolean` | `false` | Enable dotfile matching. By default, dotfiles are ignored unless a `.` is explicitly defined in the pattern, or `options.dot` is true | +| `expandRange` | `function` | `undefined` | Custom function for expanding ranges in brace patterns, such as `{a..z}`. The function receives the range values as two arguments, and it must return a string to be used in the generated regex. It's recommended that returned strings be wrapped in parentheses. | +| `failglob` | `boolean` | `false` | Throws an error if no matches are found. Based on the bash option of the same name. | +| `fastpaths` | `boolean` | `true` | To speed up processing, full parsing is skipped for a handful common glob patterns. Disable this behavior by setting this option to `false`. | +| `flags` | `string` | `undefined` | Regex flags to use in the generated regex. If defined, the `nocase` option will be overridden. | +| [format](#optionsformat) | `function` | `undefined` | Custom function for formatting the returned string. This is useful for removing leading slashes, converting Windows paths to Posix paths, etc. | +| `ignore` | `array\|string` | `undefined` | One or more glob patterns for excluding strings that should not be matched from the result. | +| `keepQuotes` | `boolean` | `false` | Retain quotes in the generated regex, since quotes may also be used as an alternative to backslashes. | +| `literalBrackets` | `boolean` | `undefined` | When `true`, brackets in the glob pattern will be escaped so that only literal brackets will be matched. | +| `matchBase` | `boolean` | `false` | Alias for `basename` | +| `maxLength` | `number` | `65536` | Limit the max length of the input string. An error is thrown if the input string is longer than this value. | +| `nobrace` | `boolean` | `false` | Disable brace matching, so that `{a,b}` and `{1..3}` would be treated as literal characters. | +| `nobracket` | `boolean` | `undefined` | Disable matching with regex brackets. | +| `nocase` | `boolean` | `false` | Make matching case-insensitive. Equivalent to the regex `i` flag. Note that this option is overridden by the `flags` option. | +| `nodupes` | `boolean` | `true` | Deprecated, use `nounique` instead. This option will be removed in a future major release. By default duplicates are removed. Disable uniquification by setting this option to false. | +| `noext` | `boolean` | `false` | Alias for `noextglob` | +| `noextglob` | `boolean` | `false` | Disable support for matching with extglobs (like `+(a\|b)`) | +| `noglobstar` | `boolean` | `false` | Disable support for matching nested directories with globstars (`**`) | +| `nonegate` | `boolean` | `false` | Disable support for negating with leading `!` | +| `noquantifiers` | `boolean` | `false` | Disable support for regex quantifiers (like `a{1,2}`) and treat them as brace patterns to be expanded. | +| [onIgnore](#optionsonIgnore) | `function` | `undefined` | Function to be called on ignored items. | +| [onMatch](#optionsonMatch) | `function` | `undefined` | Function to be called on matched items. | +| [onResult](#optionsonResult) | `function` | `undefined` | Function to be called on all items, regardless of whether or not they are matched or ignored. | +| `posix` | `boolean` | `false` | Support POSIX character classes ("posix brackets"). | +| `posixSlashes` | `boolean` | `undefined` | Convert all slashes in file paths to forward slashes. This does not convert slashes in the glob pattern itself | +| `prepend` | `boolean` | `undefined` | String to prepend to the generated regex used for matching. | +| `regex` | `boolean` | `false` | Use regular expression rules for `+` (instead of matching literal `+`), and for stars that follow closing parentheses or brackets (as in `)*` and `]*`). | +| `strictBrackets` | `boolean` | `undefined` | Throw an error if brackets, braces, or parens are imbalanced. | +| `strictSlashes` | `boolean` | `undefined` | When true, picomatch won't match trailing slashes with single stars. | +| `unescape` | `boolean` | `undefined` | Remove backslashes preceding escaped characters in the glob pattern. By default, backslashes are retained. | +| `unixify` | `boolean` | `undefined` | Alias for `posixSlashes`, for backwards compatibility. | +| `windows` | `boolean` | `false` | Also accept backslashes as the path separator. | + +### Scan Options + +In addition to the main [picomatch options](#picomatch-options), the following options may also be used with the [.scan](#scan) method. + +| **Option** | **Type** | **Default value** | **Description** | +| --- | --- | --- | --- | +| `tokens` | `boolean` | `false` | When `true`, the returned object will include an array of tokens (objects), representing each path "segment" in the scanned glob pattern | +| `parts` | `boolean` | `false` | When `true`, the returned object will include an array of strings representing each path "segment" in the scanned glob pattern. This is automatically enabled when `options.tokens` is true | + +**Example** + +```js +const picomatch = require('picomatch'); +const result = picomatch.scan('!./foo/*.js', { tokens: true }); +console.log(result); +// { +// prefix: '!./', +// input: '!./foo/*.js', +// start: 3, +// base: 'foo', +// glob: '*.js', +// isBrace: false, +// isBracket: false, +// isGlob: true, +// isExtglob: false, +// isGlobstar: false, +// negated: true, +// maxDepth: 2, +// tokens: [ +// { value: '!./', depth: 0, isGlob: false, negated: true, isPrefix: true }, +// { value: 'foo', depth: 1, isGlob: false }, +// { value: '*.js', depth: 1, isGlob: true } +// ], +// slashes: [ 2, 6 ], +// parts: [ 'foo', '*.js' ] +// } +``` + +
+ +### Options Examples + +#### options.expandRange + +**Type**: `function` + +**Default**: `undefined` + +Custom function for expanding ranges in brace patterns. The [fill-range](https://github.com/jonschlinkert/fill-range) library is ideal for this purpose, or you can use custom code to do whatever you need. + +**Example** + +The following example shows how to create a glob that matches a folder + +```js +const fill = require('fill-range'); +const regex = pm.makeRe('foo/{01..25}/bar', { + expandRange(a, b) { + return `(${fill(a, b, { toRegex: true })})`; + } +}); + +console.log(regex); +//=> /^(?:foo\/((?:0[1-9]|1[0-9]|2[0-5]))\/bar)$/ + +console.log(regex.test('foo/00/bar')) // false +console.log(regex.test('foo/01/bar')) // true +console.log(regex.test('foo/10/bar')) // true +console.log(regex.test('foo/22/bar')) // true +console.log(regex.test('foo/25/bar')) // true +console.log(regex.test('foo/26/bar')) // false +``` + +#### options.format + +**Type**: `function` + +**Default**: `undefined` + +Custom function for formatting strings before they're matched. + +**Example** + +```js +// strip leading './' from strings +const format = str => str.replace(/^\.\//, ''); +const isMatch = picomatch('foo/*.js', { format }); +console.log(isMatch('./foo/bar.js')); //=> true +``` + +#### options.onMatch + +```js +const onMatch = ({ glob, regex, input, output }) => { + console.log({ glob, regex, input, output }); +}; + +const isMatch = picomatch('*', { onMatch }); +isMatch('foo'); +isMatch('bar'); +isMatch('baz'); +``` + +#### options.onIgnore + +```js +const onIgnore = ({ glob, regex, input, output }) => { + console.log({ glob, regex, input, output }); +}; + +const isMatch = picomatch('*', { onIgnore, ignore: 'f*' }); +isMatch('foo'); +isMatch('bar'); +isMatch('baz'); +``` + +#### options.onResult + +```js +const onResult = ({ glob, regex, input, output }) => { + console.log({ glob, regex, input, output }); +}; + +const isMatch = picomatch('*', { onResult, ignore: 'f*' }); +isMatch('foo'); +isMatch('bar'); +isMatch('baz'); +``` + +
+
+ +## Globbing features + +* [Basic globbing](#basic-globbing) (Wildcard matching) +* [Advanced globbing](#advanced-globbing) (extglobs, posix brackets, brace matching) + +### Basic globbing + +| **Character** | **Description** | +| --- | --- | +| `*` | Matches any character zero or more times, excluding path separators. Does _not match_ path separators or hidden files or directories ("dotfiles"), unless explicitly enabled by setting the `dot` option to `true`. | +| `**` | Matches any character zero or more times, including path separators. Note that `**` will only match path separators (`/`, and `\\` with the `windows` option) when they are the only characters in a path segment. Thus, `foo**/bar` is equivalent to `foo*/bar`, and `foo/a**b/bar` is equivalent to `foo/a*b/bar`, and _more than two_ consecutive stars in a glob path segment are regarded as _a single star_. Thus, `foo/***/bar` is equivalent to `foo/*/bar`. | +| `?` | Matches any character excluding path separators one time. Does _not match_ path separators or leading dots. | +| `[abc]` | Matches any characters inside the brackets. For example, `[abc]` would match the characters `a`, `b` or `c`, and nothing else. | + +#### Matching behavior vs. Bash + +Picomatch's matching features and expected results in unit tests are based on Bash's unit tests and the Bash 4.3 specification, with the following exceptions: + +* Bash will match `foo/bar/baz` with `*`. Picomatch only matches nested directories with `**`. +* Bash greedily matches with negated extglobs. For example, Bash 4.3 says that `!(foo)*` should match `foo` and `foobar`, since the trailing `*` bracktracks to match the preceding pattern. This is very memory-inefficient, and IMHO, also incorrect. Picomatch would return `false` for both `foo` and `foobar`. + +
+ +### Advanced globbing + +* [extglobs](#extglobs) +* [POSIX brackets](#posix-brackets) +* [Braces](#brace-expansion) + +#### Extglobs + +| **Pattern** | **Description** | +| --- | --- | +| `@(pattern)` | Match _only one_ consecutive occurrence of `pattern` | +| `*(pattern)` | Match _zero or more_ consecutive occurrences of `pattern` | +| `+(pattern)` | Match _one or more_ consecutive occurrences of `pattern` | +| `?(pattern)` | Match _zero or **one**_ consecutive occurrences of `pattern` | +| `!(pattern)` | Match _anything but_ `pattern` | + +**Examples** + +```js +const pm = require('picomatch'); + +// *(pattern) matches ZERO or more of "pattern" +console.log(pm.isMatch('a', 'a*(z)')); // true +console.log(pm.isMatch('az', 'a*(z)')); // true +console.log(pm.isMatch('azzz', 'a*(z)')); // true + +// +(pattern) matches ONE or more of "pattern" +console.log(pm.isMatch('a', 'a+(z)')); // false +console.log(pm.isMatch('az', 'a+(z)')); // true +console.log(pm.isMatch('azzz', 'a+(z)')); // true + +// supports multiple extglobs +console.log(pm.isMatch('foo.bar', '!(foo).!(bar)')); // false + +// supports nested extglobs +console.log(pm.isMatch('foo.bar', '!(!(foo)).!(!(bar))')); // true +``` + +#### POSIX brackets + +POSIX classes are disabled by default. Enable this feature by setting the `posix` option to true. + +**Enable POSIX bracket support** + +```js +console.log(pm.makeRe('[[:word:]]+', { posix: true })); +//=> /^(?:(?=.)[A-Za-z0-9_]+\/?)$/ +``` + +**Supported POSIX classes** + +The following named POSIX bracket expressions are supported: + +* `[:alnum:]` - Alphanumeric characters, equ `[a-zA-Z0-9]` +* `[:alpha:]` - Alphabetical characters, equivalent to `[a-zA-Z]`. +* `[:ascii:]` - ASCII characters, equivalent to `[\\x00-\\x7F]`. +* `[:blank:]` - Space and tab characters, equivalent to `[ \\t]`. +* `[:cntrl:]` - Control characters, equivalent to `[\\x00-\\x1F\\x7F]`. +* `[:digit:]` - Numerical digits, equivalent to `[0-9]`. +* `[:graph:]` - Graph characters, equivalent to `[\\x21-\\x7E]`. +* `[:lower:]` - Lowercase letters, equivalent to `[a-z]`. +* `[:print:]` - Print characters, equivalent to `[\\x20-\\x7E ]`. +* `[:punct:]` - Punctuation and symbols, equivalent to `[\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~]`. +* `[:space:]` - Extended space characters, equivalent to `[ \\t\\r\\n\\v\\f]`. +* `[:upper:]` - Uppercase letters, equivalent to `[A-Z]`. +* `[:word:]` - Word characters (letters, numbers and underscores), equivalent to `[A-Za-z0-9_]`. +* `[:xdigit:]` - Hexadecimal digits, equivalent to `[A-Fa-f0-9]`. + +See the [Bash Reference Manual](https://www.gnu.org/software/bash/manual/html_node/Pattern-Matching.html) for more information. + +### Braces + +Picomatch does not do brace expansion. For [brace expansion](https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html) and advanced matching with braces, use [micromatch](https://github.com/micromatch/micromatch) instead. Picomatch has very basic support for braces. + +### Matching special characters as literals + +If you wish to match the following special characters in a filepath, and you want to use these characters in your glob pattern, they must be escaped with backslashes or quotes: + +**Special Characters** + +Some characters that are used for matching in regular expressions are also regarded as valid file path characters on some platforms. + +To match any of the following characters as literals: `$^*+?()[] + +Examples: + +```js +console.log(pm.makeRe('foo/bar \\(1\\)')); +console.log(pm.makeRe('foo/bar \\(1\\)')); +``` + +
+
+ +## Library Comparisons + +The following table shows which features are supported by [minimatch](https://github.com/isaacs/minimatch), [micromatch](https://github.com/micromatch/micromatch), [picomatch](https://github.com/micromatch/picomatch), [nanomatch](https://github.com/micromatch/nanomatch), [extglob](https://github.com/micromatch/extglob), [braces](https://github.com/micromatch/braces), and [expand-brackets](https://github.com/micromatch/expand-brackets). + +| **Feature** | `minimatch` | `micromatch` | `picomatch` | `nanomatch` | `extglob` | `braces` | `expand-brackets` | +| --- | --- | --- | --- | --- | --- | --- | --- | +| Wildcard matching (`*?+`) | ✔ | ✔ | ✔ | ✔ | - | - | - | +| Advancing globbing | ✔ | ✔ | ✔ | - | - | - | - | +| Brace _matching_ | ✔ | ✔ | ✔ | - | - | ✔ | - | +| Brace _expansion_ | ✔ | ✔ | - | - | - | ✔ | - | +| Extglobs | partial | ✔ | ✔ | - | ✔ | - | - | +| Posix brackets | - | ✔ | ✔ | - | - | - | ✔ | +| Regular expression syntax | - | ✔ | ✔ | ✔ | ✔ | - | ✔ | +| File system operations | - | - | - | - | - | - | - | + +
+
+ +## Benchmarks + +Performance comparison of picomatch and minimatch. + +_(Pay special attention to the last three benchmarks. Minimatch freezes on long ranges.)_ + +``` +# .makeRe star (*) + picomatch x 4,449,159 ops/sec ±0.24% (97 runs sampled) + minimatch x 632,772 ops/sec ±0.14% (98 runs sampled) + +# .makeRe star; dot=true (*) + picomatch x 3,500,079 ops/sec ±0.26% (99 runs sampled) + minimatch x 564,916 ops/sec ±0.23% (96 runs sampled) + +# .makeRe globstar (**) + picomatch x 3,261,000 ops/sec ±0.27% (98 runs sampled) + minimatch x 1,664,766 ops/sec ±0.20% (100 runs sampled) + +# .makeRe globstars (**/**/**) + picomatch x 3,284,469 ops/sec ±0.18% (97 runs sampled) + minimatch x 1,435,880 ops/sec ±0.34% (95 runs sampled) + +# .makeRe with leading star (*.txt) + picomatch x 3,100,197 ops/sec ±0.35% (99 runs sampled) + minimatch x 428,347 ops/sec ±0.42% (94 runs sampled) + +# .makeRe - basic braces ({a,b,c}*.txt) + picomatch x 443,578 ops/sec ±1.33% (89 runs sampled) + minimatch x 107,143 ops/sec ±0.35% (94 runs sampled) + +# .makeRe - short ranges ({a..z}*.txt) + picomatch x 415,484 ops/sec ±0.76% (96 runs sampled) + minimatch x 14,299 ops/sec ±0.26% (96 runs sampled) + +# .makeRe - medium ranges ({1..100000}*.txt) + picomatch x 395,020 ops/sec ±0.87% (89 runs sampled) + minimatch x 2 ops/sec ±4.59% (10 runs sampled) + +# .makeRe - long ranges ({1..10000000}*.txt) + picomatch x 400,036 ops/sec ±0.83% (90 runs sampled) + minimatch (FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory) +``` + +
+
+ +## Philosophies + +The goal of this library is to be blazing fast, without compromising on accuracy. + +**Accuracy** + +The number one of goal of this library is accuracy. However, it's not unusual for different glob implementations to have different rules for matching behavior, even with simple wildcard matching. It gets increasingly more complicated when combinations of different features are combined, like when extglobs are combined with globstars, braces, slashes, and so on: `!(**/{a,b,*/c})`. + +Thus, given that there is no canonical glob specification to use as a single source of truth when differences of opinion arise regarding behavior, sometimes we have to implement our best judgement and rely on feedback from users to make improvements. + +**Performance** + +Although this library performs well in benchmarks, and in most cases it's faster than other popular libraries we benchmarked against, we will always choose accuracy over performance. It's not helpful to anyone if our library is faster at returning the wrong answer. + +
+
+ +## About + +
+Contributing + +Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new). + +Please read the [contributing guide](.github/contributing.md) for advice on opening issues, pull requests, and coding standards. + +
+ +
+Running Tests + +Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command: + +```sh +npm install && npm test +``` + +
+ +
+Building docs + +_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_ + +To generate the readme, run the following command: + +```sh +npm install -g verbose/verb#dev verb-generate-readme && verb +``` + +
+ +### Author + +**Jon Schlinkert** + +* [GitHub Profile](https://github.com/jonschlinkert) +* [Twitter Profile](https://twitter.com/jonschlinkert) +* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert) + +### License + +Copyright © 2017-present, [Jon Schlinkert](https://github.com/jonschlinkert). +Released under the [MIT License](LICENSE). diff --git a/node_modules/picomatch/index.js b/node_modules/picomatch/index.js new file mode 100644 index 0000000..a753b1d --- /dev/null +++ b/node_modules/picomatch/index.js @@ -0,0 +1,17 @@ +'use strict'; + +const pico = require('./lib/picomatch'); +const utils = require('./lib/utils'); + +function picomatch(glob, options, returnState = false) { + // default to os.platform() + if (options && (options.windows === null || options.windows === undefined)) { + // don't mutate the original options object + options = { ...options, windows: utils.isWindows() }; + } + + return pico(glob, options, returnState); +} + +Object.assign(picomatch, pico); +module.exports = picomatch; diff --git a/node_modules/picomatch/lib/constants.js b/node_modules/picomatch/lib/constants.js new file mode 100644 index 0000000..3f7ef7e --- /dev/null +++ b/node_modules/picomatch/lib/constants.js @@ -0,0 +1,180 @@ +'use strict'; + +const WIN_SLASH = '\\\\/'; +const WIN_NO_SLASH = `[^${WIN_SLASH}]`; + +/** + * Posix glob regex + */ + +const DOT_LITERAL = '\\.'; +const PLUS_LITERAL = '\\+'; +const QMARK_LITERAL = '\\?'; +const SLASH_LITERAL = '\\/'; +const ONE_CHAR = '(?=.)'; +const QMARK = '[^/]'; +const END_ANCHOR = `(?:${SLASH_LITERAL}|$)`; +const START_ANCHOR = `(?:^|${SLASH_LITERAL})`; +const DOTS_SLASH = `${DOT_LITERAL}{1,2}${END_ANCHOR}`; +const NO_DOT = `(?!${DOT_LITERAL})`; +const NO_DOTS = `(?!${START_ANCHOR}${DOTS_SLASH})`; +const NO_DOT_SLASH = `(?!${DOT_LITERAL}{0,1}${END_ANCHOR})`; +const NO_DOTS_SLASH = `(?!${DOTS_SLASH})`; +const QMARK_NO_DOT = `[^.${SLASH_LITERAL}]`; +const STAR = `${QMARK}*?`; +const SEP = '/'; + +const POSIX_CHARS = { + DOT_LITERAL, + PLUS_LITERAL, + QMARK_LITERAL, + SLASH_LITERAL, + ONE_CHAR, + QMARK, + END_ANCHOR, + DOTS_SLASH, + NO_DOT, + NO_DOTS, + NO_DOT_SLASH, + NO_DOTS_SLASH, + QMARK_NO_DOT, + STAR, + START_ANCHOR, + SEP +}; + +/** + * Windows glob regex + */ + +const WINDOWS_CHARS = { + ...POSIX_CHARS, + + SLASH_LITERAL: `[${WIN_SLASH}]`, + QMARK: WIN_NO_SLASH, + STAR: `${WIN_NO_SLASH}*?`, + DOTS_SLASH: `${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$)`, + NO_DOT: `(?!${DOT_LITERAL})`, + NO_DOTS: `(?!(?:^|[${WIN_SLASH}])${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`, + NO_DOT_SLASH: `(?!${DOT_LITERAL}{0,1}(?:[${WIN_SLASH}]|$))`, + NO_DOTS_SLASH: `(?!${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`, + QMARK_NO_DOT: `[^.${WIN_SLASH}]`, + START_ANCHOR: `(?:^|[${WIN_SLASH}])`, + END_ANCHOR: `(?:[${WIN_SLASH}]|$)`, + SEP: '\\' +}; + +/** + * POSIX Bracket Regex + */ + +const POSIX_REGEX_SOURCE = { + alnum: 'a-zA-Z0-9', + alpha: 'a-zA-Z', + ascii: '\\x00-\\x7F', + blank: ' \\t', + cntrl: '\\x00-\\x1F\\x7F', + digit: '0-9', + graph: '\\x21-\\x7E', + lower: 'a-z', + print: '\\x20-\\x7E ', + punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~', + space: ' \\t\\r\\n\\v\\f', + upper: 'A-Z', + word: 'A-Za-z0-9_', + xdigit: 'A-Fa-f0-9' +}; + +module.exports = { + MAX_LENGTH: 1024 * 64, + POSIX_REGEX_SOURCE, + + // regular expressions + REGEX_BACKSLASH: /\\(?![*+?^${}(|)[\]])/g, + REGEX_NON_SPECIAL_CHARS: /^[^@![\].,$*+?^{}()|\\/]+/, + REGEX_SPECIAL_CHARS: /[-*+?.^${}(|)[\]]/, + REGEX_SPECIAL_CHARS_BACKREF: /(\\?)((\W)(\3*))/g, + REGEX_SPECIAL_CHARS_GLOBAL: /([-*+?.^${}(|)[\]])/g, + REGEX_REMOVE_BACKSLASH: /(?:\[.*?[^\\]\]|\\(?=.))/g, + + // Replace globs with equivalent patterns to reduce parsing time. + REPLACEMENTS: { + __proto__: null, + '***': '*', + '**/**': '**', + '**/**/**': '**' + }, + + // Digits + CHAR_0: 48, /* 0 */ + CHAR_9: 57, /* 9 */ + + // Alphabet chars. + CHAR_UPPERCASE_A: 65, /* A */ + CHAR_LOWERCASE_A: 97, /* a */ + CHAR_UPPERCASE_Z: 90, /* Z */ + CHAR_LOWERCASE_Z: 122, /* z */ + + CHAR_LEFT_PARENTHESES: 40, /* ( */ + CHAR_RIGHT_PARENTHESES: 41, /* ) */ + + CHAR_ASTERISK: 42, /* * */ + + // Non-alphabetic chars. + CHAR_AMPERSAND: 38, /* & */ + CHAR_AT: 64, /* @ */ + CHAR_BACKWARD_SLASH: 92, /* \ */ + CHAR_CARRIAGE_RETURN: 13, /* \r */ + CHAR_CIRCUMFLEX_ACCENT: 94, /* ^ */ + CHAR_COLON: 58, /* : */ + CHAR_COMMA: 44, /* , */ + CHAR_DOT: 46, /* . */ + CHAR_DOUBLE_QUOTE: 34, /* " */ + CHAR_EQUAL: 61, /* = */ + CHAR_EXCLAMATION_MARK: 33, /* ! */ + CHAR_FORM_FEED: 12, /* \f */ + CHAR_FORWARD_SLASH: 47, /* / */ + CHAR_GRAVE_ACCENT: 96, /* ` */ + CHAR_HASH: 35, /* # */ + CHAR_HYPHEN_MINUS: 45, /* - */ + CHAR_LEFT_ANGLE_BRACKET: 60, /* < */ + CHAR_LEFT_CURLY_BRACE: 123, /* { */ + CHAR_LEFT_SQUARE_BRACKET: 91, /* [ */ + CHAR_LINE_FEED: 10, /* \n */ + CHAR_NO_BREAK_SPACE: 160, /* \u00A0 */ + CHAR_PERCENT: 37, /* % */ + CHAR_PLUS: 43, /* + */ + CHAR_QUESTION_MARK: 63, /* ? */ + CHAR_RIGHT_ANGLE_BRACKET: 62, /* > */ + CHAR_RIGHT_CURLY_BRACE: 125, /* } */ + CHAR_RIGHT_SQUARE_BRACKET: 93, /* ] */ + CHAR_SEMICOLON: 59, /* ; */ + CHAR_SINGLE_QUOTE: 39, /* ' */ + CHAR_SPACE: 32, /* */ + CHAR_TAB: 9, /* \t */ + CHAR_UNDERSCORE: 95, /* _ */ + CHAR_VERTICAL_LINE: 124, /* | */ + CHAR_ZERO_WIDTH_NOBREAK_SPACE: 65279, /* \uFEFF */ + + /** + * Create EXTGLOB_CHARS + */ + + extglobChars(chars) { + return { + '!': { type: 'negate', open: '(?:(?!(?:', close: `))${chars.STAR})` }, + '?': { type: 'qmark', open: '(?:', close: ')?' }, + '+': { type: 'plus', open: '(?:', close: ')+' }, + '*': { type: 'star', open: '(?:', close: ')*' }, + '@': { type: 'at', open: '(?:', close: ')' } + }; + }, + + /** + * Create GLOB_CHARS + */ + + globChars(win32) { + return win32 === true ? WINDOWS_CHARS : POSIX_CHARS; + } +}; diff --git a/node_modules/picomatch/lib/parse.js b/node_modules/picomatch/lib/parse.js new file mode 100644 index 0000000..8fd8ff4 --- /dev/null +++ b/node_modules/picomatch/lib/parse.js @@ -0,0 +1,1085 @@ +'use strict'; + +const constants = require('./constants'); +const utils = require('./utils'); + +/** + * Constants + */ + +const { + MAX_LENGTH, + POSIX_REGEX_SOURCE, + REGEX_NON_SPECIAL_CHARS, + REGEX_SPECIAL_CHARS_BACKREF, + REPLACEMENTS +} = constants; + +/** + * Helpers + */ + +const expandRange = (args, options) => { + if (typeof options.expandRange === 'function') { + return options.expandRange(...args, options); + } + + args.sort(); + const value = `[${args.join('-')}]`; + + try { + /* eslint-disable-next-line no-new */ + new RegExp(value); + } catch (ex) { + return args.map(v => utils.escapeRegex(v)).join('..'); + } + + return value; +}; + +/** + * Create the message for a syntax error + */ + +const syntaxError = (type, char) => { + return `Missing ${type}: "${char}" - use "\\\\${char}" to match literal characters`; +}; + +/** + * Parse the given input string. + * @param {String} input + * @param {Object} options + * @return {Object} + */ + +const parse = (input, options) => { + if (typeof input !== 'string') { + throw new TypeError('Expected a string'); + } + + input = REPLACEMENTS[input] || input; + + const opts = { ...options }; + const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH; + + let len = input.length; + if (len > max) { + throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`); + } + + const bos = { type: 'bos', value: '', output: opts.prepend || '' }; + const tokens = [bos]; + + const capture = opts.capture ? '' : '?:'; + + // create constants based on platform, for windows or posix + const PLATFORM_CHARS = constants.globChars(opts.windows); + const EXTGLOB_CHARS = constants.extglobChars(PLATFORM_CHARS); + + const { + DOT_LITERAL, + PLUS_LITERAL, + SLASH_LITERAL, + ONE_CHAR, + DOTS_SLASH, + NO_DOT, + NO_DOT_SLASH, + NO_DOTS_SLASH, + QMARK, + QMARK_NO_DOT, + STAR, + START_ANCHOR + } = PLATFORM_CHARS; + + const globstar = opts => { + return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`; + }; + + const nodot = opts.dot ? '' : NO_DOT; + const qmarkNoDot = opts.dot ? QMARK : QMARK_NO_DOT; + let star = opts.bash === true ? globstar(opts) : STAR; + + if (opts.capture) { + star = `(${star})`; + } + + // minimatch options support + if (typeof opts.noext === 'boolean') { + opts.noextglob = opts.noext; + } + + const state = { + input, + index: -1, + start: 0, + dot: opts.dot === true, + consumed: '', + output: '', + prefix: '', + backtrack: false, + negated: false, + brackets: 0, + braces: 0, + parens: 0, + quotes: 0, + globstar: false, + tokens + }; + + input = utils.removePrefix(input, state); + len = input.length; + + const extglobs = []; + const braces = []; + const stack = []; + let prev = bos; + let value; + + /** + * Tokenizing helpers + */ + + const eos = () => state.index === len - 1; + const peek = state.peek = (n = 1) => input[state.index + n]; + const advance = state.advance = () => input[++state.index] || ''; + const remaining = () => input.slice(state.index + 1); + const consume = (value = '', num = 0) => { + state.consumed += value; + state.index += num; + }; + + const append = token => { + state.output += token.output != null ? token.output : token.value; + consume(token.value); + }; + + const negate = () => { + let count = 1; + + while (peek() === '!' && (peek(2) !== '(' || peek(3) === '?')) { + advance(); + state.start++; + count++; + } + + if (count % 2 === 0) { + return false; + } + + state.negated = true; + state.start++; + return true; + }; + + const increment = type => { + state[type]++; + stack.push(type); + }; + + const decrement = type => { + state[type]--; + stack.pop(); + }; + + /** + * Push tokens onto the tokens array. This helper speeds up + * tokenizing by 1) helping us avoid backtracking as much as possible, + * and 2) helping us avoid creating extra tokens when consecutive + * characters are plain text. This improves performance and simplifies + * lookbehinds. + */ + + const push = tok => { + if (prev.type === 'globstar') { + const isBrace = state.braces > 0 && (tok.type === 'comma' || tok.type === 'brace'); + const isExtglob = tok.extglob === true || (extglobs.length && (tok.type === 'pipe' || tok.type === 'paren')); + + if (tok.type !== 'slash' && tok.type !== 'paren' && !isBrace && !isExtglob) { + state.output = state.output.slice(0, -prev.output.length); + prev.type = 'star'; + prev.value = '*'; + prev.output = star; + state.output += prev.output; + } + } + + if (extglobs.length && tok.type !== 'paren') { + extglobs[extglobs.length - 1].inner += tok.value; + } + + if (tok.value || tok.output) append(tok); + if (prev && prev.type === 'text' && tok.type === 'text') { + prev.output = (prev.output || prev.value) + tok.value; + prev.value += tok.value; + return; + } + + tok.prev = prev; + tokens.push(tok); + prev = tok; + }; + + const extglobOpen = (type, value) => { + const token = { ...EXTGLOB_CHARS[value], conditions: 1, inner: '' }; + + token.prev = prev; + token.parens = state.parens; + token.output = state.output; + const output = (opts.capture ? '(' : '') + token.open; + + increment('parens'); + push({ type, value, output: state.output ? '' : ONE_CHAR }); + push({ type: 'paren', extglob: true, value: advance(), output }); + extglobs.push(token); + }; + + const extglobClose = token => { + let output = token.close + (opts.capture ? ')' : ''); + let rest; + + if (token.type === 'negate') { + let extglobStar = star; + + if (token.inner && token.inner.length > 1 && token.inner.includes('/')) { + extglobStar = globstar(opts); + } + + if (extglobStar !== star || eos() || /^\)+$/.test(remaining())) { + output = token.close = `)$))${extglobStar}`; + } + + if (token.inner.includes('*') && (rest = remaining()) && /^\.[^\\/.]+$/.test(rest)) { + // Any non-magical string (`.ts`) or even nested expression (`.{ts,tsx}`) can follow after the closing parenthesis. + // In this case, we need to parse the string and use it in the output of the original pattern. + // Suitable patterns: `/!(*.d).ts`, `/!(*.d).{ts,tsx}`, `**/!(*-dbg).@(js)`. + // + // Disabling the `fastpaths` option due to a problem with parsing strings as `.ts` in the pattern like `**/!(*.d).ts`. + const expression = parse(rest, { ...options, fastpaths: false }).output; + + output = token.close = `)${expression})${extglobStar})`; + } + + if (token.prev.type === 'bos') { + state.negatedExtglob = true; + } + } + + push({ type: 'paren', extglob: true, value, output }); + decrement('parens'); + }; + + /** + * Fast paths + */ + + if (opts.fastpaths !== false && !/(^[*!]|[/()[\]{}"])/.test(input)) { + let backslashes = false; + + let output = input.replace(REGEX_SPECIAL_CHARS_BACKREF, (m, esc, chars, first, rest, index) => { + if (first === '\\') { + backslashes = true; + return m; + } + + if (first === '?') { + if (esc) { + return esc + first + (rest ? QMARK.repeat(rest.length) : ''); + } + if (index === 0) { + return qmarkNoDot + (rest ? QMARK.repeat(rest.length) : ''); + } + return QMARK.repeat(chars.length); + } + + if (first === '.') { + return DOT_LITERAL.repeat(chars.length); + } + + if (first === '*') { + if (esc) { + return esc + first + (rest ? star : ''); + } + return star; + } + return esc ? m : `\\${m}`; + }); + + if (backslashes === true) { + if (opts.unescape === true) { + output = output.replace(/\\/g, ''); + } else { + output = output.replace(/\\+/g, m => { + return m.length % 2 === 0 ? '\\\\' : (m ? '\\' : ''); + }); + } + } + + if (output === input && opts.contains === true) { + state.output = input; + return state; + } + + state.output = utils.wrapOutput(output, state, options); + return state; + } + + /** + * Tokenize input until we reach end-of-string + */ + + while (!eos()) { + value = advance(); + + if (value === '\u0000') { + continue; + } + + /** + * Escaped characters + */ + + if (value === '\\') { + const next = peek(); + + if (next === '/' && opts.bash !== true) { + continue; + } + + if (next === '.' || next === ';') { + continue; + } + + if (!next) { + value += '\\'; + push({ type: 'text', value }); + continue; + } + + // collapse slashes to reduce potential for exploits + const match = /^\\+/.exec(remaining()); + let slashes = 0; + + if (match && match[0].length > 2) { + slashes = match[0].length; + state.index += slashes; + if (slashes % 2 !== 0) { + value += '\\'; + } + } + + if (opts.unescape === true) { + value = advance(); + } else { + value += advance(); + } + + if (state.brackets === 0) { + push({ type: 'text', value }); + continue; + } + } + + /** + * If we're inside a regex character class, continue + * until we reach the closing bracket. + */ + + if (state.brackets > 0 && (value !== ']' || prev.value === '[' || prev.value === '[^')) { + if (opts.posix !== false && value === ':') { + const inner = prev.value.slice(1); + if (inner.includes('[')) { + prev.posix = true; + + if (inner.includes(':')) { + const idx = prev.value.lastIndexOf('['); + const pre = prev.value.slice(0, idx); + const rest = prev.value.slice(idx + 2); + const posix = POSIX_REGEX_SOURCE[rest]; + if (posix) { + prev.value = pre + posix; + state.backtrack = true; + advance(); + + if (!bos.output && tokens.indexOf(prev) === 1) { + bos.output = ONE_CHAR; + } + continue; + } + } + } + } + + if ((value === '[' && peek() !== ':') || (value === '-' && peek() === ']')) { + value = `\\${value}`; + } + + if (value === ']' && (prev.value === '[' || prev.value === '[^')) { + value = `\\${value}`; + } + + if (opts.posix === true && value === '!' && prev.value === '[') { + value = '^'; + } + + prev.value += value; + append({ value }); + continue; + } + + /** + * If we're inside a quoted string, continue + * until we reach the closing double quote. + */ + + if (state.quotes === 1 && value !== '"') { + value = utils.escapeRegex(value); + prev.value += value; + append({ value }); + continue; + } + + /** + * Double quotes + */ + + if (value === '"') { + state.quotes = state.quotes === 1 ? 0 : 1; + if (opts.keepQuotes === true) { + push({ type: 'text', value }); + } + continue; + } + + /** + * Parentheses + */ + + if (value === '(') { + increment('parens'); + push({ type: 'paren', value }); + continue; + } + + if (value === ')') { + if (state.parens === 0 && opts.strictBrackets === true) { + throw new SyntaxError(syntaxError('opening', '(')); + } + + const extglob = extglobs[extglobs.length - 1]; + if (extglob && state.parens === extglob.parens + 1) { + extglobClose(extglobs.pop()); + continue; + } + + push({ type: 'paren', value, output: state.parens ? ')' : '\\)' }); + decrement('parens'); + continue; + } + + /** + * Square brackets + */ + + if (value === '[') { + if (opts.nobracket === true || !remaining().includes(']')) { + if (opts.nobracket !== true && opts.strictBrackets === true) { + throw new SyntaxError(syntaxError('closing', ']')); + } + + value = `\\${value}`; + } else { + increment('brackets'); + } + + push({ type: 'bracket', value }); + continue; + } + + if (value === ']') { + if (opts.nobracket === true || (prev && prev.type === 'bracket' && prev.value.length === 1)) { + push({ type: 'text', value, output: `\\${value}` }); + continue; + } + + if (state.brackets === 0) { + if (opts.strictBrackets === true) { + throw new SyntaxError(syntaxError('opening', '[')); + } + + push({ type: 'text', value, output: `\\${value}` }); + continue; + } + + decrement('brackets'); + + const prevValue = prev.value.slice(1); + if (prev.posix !== true && prevValue[0] === '^' && !prevValue.includes('/')) { + value = `/${value}`; + } + + prev.value += value; + append({ value }); + + // when literal brackets are explicitly disabled + // assume we should match with a regex character class + if (opts.literalBrackets === false || utils.hasRegexChars(prevValue)) { + continue; + } + + const escaped = utils.escapeRegex(prev.value); + state.output = state.output.slice(0, -prev.value.length); + + // when literal brackets are explicitly enabled + // assume we should escape the brackets to match literal characters + if (opts.literalBrackets === true) { + state.output += escaped; + prev.value = escaped; + continue; + } + + // when the user specifies nothing, try to match both + prev.value = `(${capture}${escaped}|${prev.value})`; + state.output += prev.value; + continue; + } + + /** + * Braces + */ + + if (value === '{' && opts.nobrace !== true) { + increment('braces'); + + const open = { + type: 'brace', + value, + output: '(', + outputIndex: state.output.length, + tokensIndex: state.tokens.length + }; + + braces.push(open); + push(open); + continue; + } + + if (value === '}') { + const brace = braces[braces.length - 1]; + + if (opts.nobrace === true || !brace) { + push({ type: 'text', value, output: value }); + continue; + } + + let output = ')'; + + if (brace.dots === true) { + const arr = tokens.slice(); + const range = []; + + for (let i = arr.length - 1; i >= 0; i--) { + tokens.pop(); + if (arr[i].type === 'brace') { + break; + } + if (arr[i].type !== 'dots') { + range.unshift(arr[i].value); + } + } + + output = expandRange(range, opts); + state.backtrack = true; + } + + if (brace.comma !== true && brace.dots !== true) { + const out = state.output.slice(0, brace.outputIndex); + const toks = state.tokens.slice(brace.tokensIndex); + brace.value = brace.output = '\\{'; + value = output = '\\}'; + state.output = out; + for (const t of toks) { + state.output += (t.output || t.value); + } + } + + push({ type: 'brace', value, output }); + decrement('braces'); + braces.pop(); + continue; + } + + /** + * Pipes + */ + + if (value === '|') { + if (extglobs.length > 0) { + extglobs[extglobs.length - 1].conditions++; + } + push({ type: 'text', value }); + continue; + } + + /** + * Commas + */ + + if (value === ',') { + let output = value; + + const brace = braces[braces.length - 1]; + if (brace && stack[stack.length - 1] === 'braces') { + brace.comma = true; + output = '|'; + } + + push({ type: 'comma', value, output }); + continue; + } + + /** + * Slashes + */ + + if (value === '/') { + // if the beginning of the glob is "./", advance the start + // to the current index, and don't add the "./" characters + // to the state. This greatly simplifies lookbehinds when + // checking for BOS characters like "!" and "." (not "./") + if (prev.type === 'dot' && state.index === state.start + 1) { + state.start = state.index + 1; + state.consumed = ''; + state.output = ''; + tokens.pop(); + prev = bos; // reset "prev" to the first token + continue; + } + + push({ type: 'slash', value, output: SLASH_LITERAL }); + continue; + } + + /** + * Dots + */ + + if (value === '.') { + if (state.braces > 0 && prev.type === 'dot') { + if (prev.value === '.') prev.output = DOT_LITERAL; + const brace = braces[braces.length - 1]; + prev.type = 'dots'; + prev.output += value; + prev.value += value; + brace.dots = true; + continue; + } + + if ((state.braces + state.parens) === 0 && prev.type !== 'bos' && prev.type !== 'slash') { + push({ type: 'text', value, output: DOT_LITERAL }); + continue; + } + + push({ type: 'dot', value, output: DOT_LITERAL }); + continue; + } + + /** + * Question marks + */ + + if (value === '?') { + const isGroup = prev && prev.value === '('; + if (!isGroup && opts.noextglob !== true && peek() === '(' && peek(2) !== '?') { + extglobOpen('qmark', value); + continue; + } + + if (prev && prev.type === 'paren') { + const next = peek(); + let output = value; + + if ((prev.value === '(' && !/[!=<:]/.test(next)) || (next === '<' && !/<([!=]|\w+>)/.test(remaining()))) { + output = `\\${value}`; + } + + push({ type: 'text', value, output }); + continue; + } + + if (opts.dot !== true && (prev.type === 'slash' || prev.type === 'bos')) { + push({ type: 'qmark', value, output: QMARK_NO_DOT }); + continue; + } + + push({ type: 'qmark', value, output: QMARK }); + continue; + } + + /** + * Exclamation + */ + + if (value === '!') { + if (opts.noextglob !== true && peek() === '(') { + if (peek(2) !== '?' || !/[!=<:]/.test(peek(3))) { + extglobOpen('negate', value); + continue; + } + } + + if (opts.nonegate !== true && state.index === 0) { + negate(); + continue; + } + } + + /** + * Plus + */ + + if (value === '+') { + if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') { + extglobOpen('plus', value); + continue; + } + + if ((prev && prev.value === '(') || opts.regex === false) { + push({ type: 'plus', value, output: PLUS_LITERAL }); + continue; + } + + if ((prev && (prev.type === 'bracket' || prev.type === 'paren' || prev.type === 'brace')) || state.parens > 0) { + push({ type: 'plus', value }); + continue; + } + + push({ type: 'plus', value: PLUS_LITERAL }); + continue; + } + + /** + * Plain text + */ + + if (value === '@') { + if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') { + push({ type: 'at', extglob: true, value, output: '' }); + continue; + } + + push({ type: 'text', value }); + continue; + } + + /** + * Plain text + */ + + if (value !== '*') { + if (value === '$' || value === '^') { + value = `\\${value}`; + } + + const match = REGEX_NON_SPECIAL_CHARS.exec(remaining()); + if (match) { + value += match[0]; + state.index += match[0].length; + } + + push({ type: 'text', value }); + continue; + } + + /** + * Stars + */ + + if (prev && (prev.type === 'globstar' || prev.star === true)) { + prev.type = 'star'; + prev.star = true; + prev.value += value; + prev.output = star; + state.backtrack = true; + state.globstar = true; + consume(value); + continue; + } + + let rest = remaining(); + if (opts.noextglob !== true && /^\([^?]/.test(rest)) { + extglobOpen('star', value); + continue; + } + + if (prev.type === 'star') { + if (opts.noglobstar === true) { + consume(value); + continue; + } + + const prior = prev.prev; + const before = prior.prev; + const isStart = prior.type === 'slash' || prior.type === 'bos'; + const afterStar = before && (before.type === 'star' || before.type === 'globstar'); + + if (opts.bash === true && (!isStart || (rest[0] && rest[0] !== '/'))) { + push({ type: 'star', value, output: '' }); + continue; + } + + const isBrace = state.braces > 0 && (prior.type === 'comma' || prior.type === 'brace'); + const isExtglob = extglobs.length && (prior.type === 'pipe' || prior.type === 'paren'); + if (!isStart && prior.type !== 'paren' && !isBrace && !isExtglob) { + push({ type: 'star', value, output: '' }); + continue; + } + + // strip consecutive `/**/` + while (rest.slice(0, 3) === '/**') { + const after = input[state.index + 4]; + if (after && after !== '/') { + break; + } + rest = rest.slice(3); + consume('/**', 3); + } + + if (prior.type === 'bos' && eos()) { + prev.type = 'globstar'; + prev.value += value; + prev.output = globstar(opts); + state.output = prev.output; + state.globstar = true; + consume(value); + continue; + } + + if (prior.type === 'slash' && prior.prev.type !== 'bos' && !afterStar && eos()) { + state.output = state.output.slice(0, -(prior.output + prev.output).length); + prior.output = `(?:${prior.output}`; + + prev.type = 'globstar'; + prev.output = globstar(opts) + (opts.strictSlashes ? ')' : '|$)'); + prev.value += value; + state.globstar = true; + state.output += prior.output + prev.output; + consume(value); + continue; + } + + if (prior.type === 'slash' && prior.prev.type !== 'bos' && rest[0] === '/') { + const end = rest[1] !== void 0 ? '|$' : ''; + + state.output = state.output.slice(0, -(prior.output + prev.output).length); + prior.output = `(?:${prior.output}`; + + prev.type = 'globstar'; + prev.output = `${globstar(opts)}${SLASH_LITERAL}|${SLASH_LITERAL}${end})`; + prev.value += value; + + state.output += prior.output + prev.output; + state.globstar = true; + + consume(value + advance()); + + push({ type: 'slash', value: '/', output: '' }); + continue; + } + + if (prior.type === 'bos' && rest[0] === '/') { + prev.type = 'globstar'; + prev.value += value; + prev.output = `(?:^|${SLASH_LITERAL}|${globstar(opts)}${SLASH_LITERAL})`; + state.output = prev.output; + state.globstar = true; + consume(value + advance()); + push({ type: 'slash', value: '/', output: '' }); + continue; + } + + // remove single star from output + state.output = state.output.slice(0, -prev.output.length); + + // reset previous token to globstar + prev.type = 'globstar'; + prev.output = globstar(opts); + prev.value += value; + + // reset output with globstar + state.output += prev.output; + state.globstar = true; + consume(value); + continue; + } + + const token = { type: 'star', value, output: star }; + + if (opts.bash === true) { + token.output = '.*?'; + if (prev.type === 'bos' || prev.type === 'slash') { + token.output = nodot + token.output; + } + push(token); + continue; + } + + if (prev && (prev.type === 'bracket' || prev.type === 'paren') && opts.regex === true) { + token.output = value; + push(token); + continue; + } + + if (state.index === state.start || prev.type === 'slash' || prev.type === 'dot') { + if (prev.type === 'dot') { + state.output += NO_DOT_SLASH; + prev.output += NO_DOT_SLASH; + + } else if (opts.dot === true) { + state.output += NO_DOTS_SLASH; + prev.output += NO_DOTS_SLASH; + + } else { + state.output += nodot; + prev.output += nodot; + } + + if (peek() !== '*') { + state.output += ONE_CHAR; + prev.output += ONE_CHAR; + } + } + + push(token); + } + + while (state.brackets > 0) { + if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ']')); + state.output = utils.escapeLast(state.output, '['); + decrement('brackets'); + } + + while (state.parens > 0) { + if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ')')); + state.output = utils.escapeLast(state.output, '('); + decrement('parens'); + } + + while (state.braces > 0) { + if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', '}')); + state.output = utils.escapeLast(state.output, '{'); + decrement('braces'); + } + + if (opts.strictSlashes !== true && (prev.type === 'star' || prev.type === 'bracket')) { + push({ type: 'maybe_slash', value: '', output: `${SLASH_LITERAL}?` }); + } + + // rebuild the output if we had to backtrack at any point + if (state.backtrack === true) { + state.output = ''; + + for (const token of state.tokens) { + state.output += token.output != null ? token.output : token.value; + + if (token.suffix) { + state.output += token.suffix; + } + } + } + + return state; +}; + +/** + * Fast paths for creating regular expressions for common glob patterns. + * This can significantly speed up processing and has very little downside + * impact when none of the fast paths match. + */ + +parse.fastpaths = (input, options) => { + const opts = { ...options }; + const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH; + const len = input.length; + if (len > max) { + throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`); + } + + input = REPLACEMENTS[input] || input; + + // create constants based on platform, for windows or posix + const { + DOT_LITERAL, + SLASH_LITERAL, + ONE_CHAR, + DOTS_SLASH, + NO_DOT, + NO_DOTS, + NO_DOTS_SLASH, + STAR, + START_ANCHOR + } = constants.globChars(opts.windows); + + const nodot = opts.dot ? NO_DOTS : NO_DOT; + const slashDot = opts.dot ? NO_DOTS_SLASH : NO_DOT; + const capture = opts.capture ? '' : '?:'; + const state = { negated: false, prefix: '' }; + let star = opts.bash === true ? '.*?' : STAR; + + if (opts.capture) { + star = `(${star})`; + } + + const globstar = opts => { + if (opts.noglobstar === true) return star; + return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`; + }; + + const create = str => { + switch (str) { + case '*': + return `${nodot}${ONE_CHAR}${star}`; + + case '.*': + return `${DOT_LITERAL}${ONE_CHAR}${star}`; + + case '*.*': + return `${nodot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`; + + case '*/*': + return `${nodot}${star}${SLASH_LITERAL}${ONE_CHAR}${slashDot}${star}`; + + case '**': + return nodot + globstar(opts); + + case '**/*': + return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${ONE_CHAR}${star}`; + + case '**/*.*': + return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`; + + case '**/.*': + return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${DOT_LITERAL}${ONE_CHAR}${star}`; + + default: { + const match = /^(.*?)\.(\w+)$/.exec(str); + if (!match) return; + + const source = create(match[1]); + if (!source) return; + + return source + DOT_LITERAL + match[2]; + } + } + }; + + const output = utils.removePrefix(input, state); + let source = create(output); + + if (source && opts.strictSlashes !== true) { + source += `${SLASH_LITERAL}?`; + } + + return source; +}; + +module.exports = parse; diff --git a/node_modules/picomatch/lib/picomatch.js b/node_modules/picomatch/lib/picomatch.js new file mode 100644 index 0000000..d0ebd9f --- /dev/null +++ b/node_modules/picomatch/lib/picomatch.js @@ -0,0 +1,341 @@ +'use strict'; + +const scan = require('./scan'); +const parse = require('./parse'); +const utils = require('./utils'); +const constants = require('./constants'); +const isObject = val => val && typeof val === 'object' && !Array.isArray(val); + +/** + * Creates a matcher function from one or more glob patterns. The + * returned function takes a string to match as its first argument, + * and returns true if the string is a match. The returned matcher + * function also takes a boolean as the second argument that, when true, + * returns an object with additional information. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch(glob[, options]); + * + * const isMatch = picomatch('*.!(*a)'); + * console.log(isMatch('a.a')); //=> false + * console.log(isMatch('a.b')); //=> true + * ``` + * @name picomatch + * @param {String|Array} `globs` One or more glob patterns. + * @param {Object=} `options` + * @return {Function=} Returns a matcher function. + * @api public + */ + +const picomatch = (glob, options, returnState = false) => { + if (Array.isArray(glob)) { + const fns = glob.map(input => picomatch(input, options, returnState)); + const arrayMatcher = str => { + for (const isMatch of fns) { + const state = isMatch(str); + if (state) return state; + } + return false; + }; + return arrayMatcher; + } + + const isState = isObject(glob) && glob.tokens && glob.input; + + if (glob === '' || (typeof glob !== 'string' && !isState)) { + throw new TypeError('Expected pattern to be a non-empty string'); + } + + const opts = options || {}; + const posix = opts.windows; + const regex = isState + ? picomatch.compileRe(glob, options) + : picomatch.makeRe(glob, options, false, true); + + const state = regex.state; + delete regex.state; + + let isIgnored = () => false; + if (opts.ignore) { + const ignoreOpts = { ...options, ignore: null, onMatch: null, onResult: null }; + isIgnored = picomatch(opts.ignore, ignoreOpts, returnState); + } + + const matcher = (input, returnObject = false) => { + const { isMatch, match, output } = picomatch.test(input, regex, options, { glob, posix }); + const result = { glob, state, regex, posix, input, output, match, isMatch }; + + if (typeof opts.onResult === 'function') { + opts.onResult(result); + } + + if (isMatch === false) { + result.isMatch = false; + return returnObject ? result : false; + } + + if (isIgnored(input)) { + if (typeof opts.onIgnore === 'function') { + opts.onIgnore(result); + } + result.isMatch = false; + return returnObject ? result : false; + } + + if (typeof opts.onMatch === 'function') { + opts.onMatch(result); + } + return returnObject ? result : true; + }; + + if (returnState) { + matcher.state = state; + } + + return matcher; +}; + +/** + * Test `input` with the given `regex`. This is used by the main + * `picomatch()` function to test the input string. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.test(input, regex[, options]); + * + * console.log(picomatch.test('foo/bar', /^(?:([^/]*?)\/([^/]*?))$/)); + * // { isMatch: true, match: [ 'foo/', 'foo', 'bar' ], output: 'foo/bar' } + * ``` + * @param {String} `input` String to test. + * @param {RegExp} `regex` + * @return {Object} Returns an object with matching info. + * @api public + */ + +picomatch.test = (input, regex, options, { glob, posix } = {}) => { + if (typeof input !== 'string') { + throw new TypeError('Expected input to be a string'); + } + + if (input === '') { + return { isMatch: false, output: '' }; + } + + const opts = options || {}; + const format = opts.format || (posix ? utils.toPosixSlashes : null); + let match = input === glob; + let output = (match && format) ? format(input) : input; + + if (match === false) { + output = format ? format(input) : input; + match = output === glob; + } + + if (match === false || opts.capture === true) { + if (opts.matchBase === true || opts.basename === true) { + match = picomatch.matchBase(input, regex, options, posix); + } else { + match = regex.exec(output); + } + } + + return { isMatch: Boolean(match), match, output }; +}; + +/** + * Match the basename of a filepath. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.matchBase(input, glob[, options]); + * console.log(picomatch.matchBase('foo/bar.js', '*.js'); // true + * ``` + * @param {String} `input` String to test. + * @param {RegExp|String} `glob` Glob pattern or regex created by [.makeRe](#makeRe). + * @return {Boolean} + * @api public + */ + +picomatch.matchBase = (input, glob, options) => { + const regex = glob instanceof RegExp ? glob : picomatch.makeRe(glob, options); + return regex.test(utils.basename(input)); +}; + +/** + * Returns true if **any** of the given glob `patterns` match the specified `string`. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.isMatch(string, patterns[, options]); + * + * console.log(picomatch.isMatch('a.a', ['b.*', '*.a'])); //=> true + * console.log(picomatch.isMatch('a.a', 'b.*')); //=> false + * ``` + * @param {String|Array} str The string to test. + * @param {String|Array} patterns One or more glob patterns to use for matching. + * @param {Object} [options] See available [options](#options). + * @return {Boolean} Returns true if any patterns match `str` + * @api public + */ + +picomatch.isMatch = (str, patterns, options) => picomatch(patterns, options)(str); + +/** + * Parse a glob pattern to create the source string for a regular + * expression. + * + * ```js + * const picomatch = require('picomatch'); + * const result = picomatch.parse(pattern[, options]); + * ``` + * @param {String} `pattern` + * @param {Object} `options` + * @return {Object} Returns an object with useful properties and output to be used as a regex source string. + * @api public + */ + +picomatch.parse = (pattern, options) => { + if (Array.isArray(pattern)) return pattern.map(p => picomatch.parse(p, options)); + return parse(pattern, { ...options, fastpaths: false }); +}; + +/** + * Scan a glob pattern to separate the pattern into segments. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.scan(input[, options]); + * + * const result = picomatch.scan('!./foo/*.js'); + * console.log(result); + * { prefix: '!./', + * input: '!./foo/*.js', + * start: 3, + * base: 'foo', + * glob: '*.js', + * isBrace: false, + * isBracket: false, + * isGlob: true, + * isExtglob: false, + * isGlobstar: false, + * negated: true } + * ``` + * @param {String} `input` Glob pattern to scan. + * @param {Object} `options` + * @return {Object} Returns an object with + * @api public + */ + +picomatch.scan = (input, options) => scan(input, options); + +/** + * Compile a regular expression from the `state` object returned by the + * [parse()](#parse) method. + * + * @param {Object} `state` + * @param {Object} `options` + * @param {Boolean} `returnOutput` Intended for implementors, this argument allows you to return the raw output from the parser. + * @param {Boolean} `returnState` Adds the state to a `state` property on the returned regex. Useful for implementors and debugging. + * @return {RegExp} + * @api public + */ + +picomatch.compileRe = (state, options, returnOutput = false, returnState = false) => { + if (returnOutput === true) { + return state.output; + } + + const opts = options || {}; + const prepend = opts.contains ? '' : '^'; + const append = opts.contains ? '' : '$'; + + let source = `${prepend}(?:${state.output})${append}`; + if (state && state.negated === true) { + source = `^(?!${source}).*$`; + } + + const regex = picomatch.toRegex(source, options); + if (returnState === true) { + regex.state = state; + } + + return regex; +}; + +/** + * Create a regular expression from a parsed glob pattern. + * + * ```js + * const picomatch = require('picomatch'); + * const state = picomatch.parse('*.js'); + * // picomatch.compileRe(state[, options]); + * + * console.log(picomatch.compileRe(state)); + * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/ + * ``` + * @param {String} `state` The object returned from the `.parse` method. + * @param {Object} `options` + * @param {Boolean} `returnOutput` Implementors may use this argument to return the compiled output, instead of a regular expression. This is not exposed on the options to prevent end-users from mutating the result. + * @param {Boolean} `returnState` Implementors may use this argument to return the state from the parsed glob with the returned regular expression. + * @return {RegExp} Returns a regex created from the given pattern. + * @api public + */ + +picomatch.makeRe = (input, options = {}, returnOutput = false, returnState = false) => { + if (!input || typeof input !== 'string') { + throw new TypeError('Expected a non-empty string'); + } + + let parsed = { negated: false, fastpaths: true }; + + if (options.fastpaths !== false && (input[0] === '.' || input[0] === '*')) { + parsed.output = parse.fastpaths(input, options); + } + + if (!parsed.output) { + parsed = parse(input, options); + } + + return picomatch.compileRe(parsed, options, returnOutput, returnState); +}; + +/** + * Create a regular expression from the given regex source string. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.toRegex(source[, options]); + * + * const { output } = picomatch.parse('*.js'); + * console.log(picomatch.toRegex(output)); + * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/ + * ``` + * @param {String} `source` Regular expression source string. + * @param {Object} `options` + * @return {RegExp} + * @api public + */ + +picomatch.toRegex = (source, options) => { + try { + const opts = options || {}; + return new RegExp(source, opts.flags || (opts.nocase ? 'i' : '')); + } catch (err) { + if (options && options.debug === true) throw err; + return /$^/; + } +}; + +/** + * Picomatch constants. + * @return {Object} + */ + +picomatch.constants = constants; + +/** + * Expose "picomatch" + */ + +module.exports = picomatch; diff --git a/node_modules/picomatch/lib/scan.js b/node_modules/picomatch/lib/scan.js new file mode 100644 index 0000000..e59cd7a --- /dev/null +++ b/node_modules/picomatch/lib/scan.js @@ -0,0 +1,391 @@ +'use strict'; + +const utils = require('./utils'); +const { + CHAR_ASTERISK, /* * */ + CHAR_AT, /* @ */ + CHAR_BACKWARD_SLASH, /* \ */ + CHAR_COMMA, /* , */ + CHAR_DOT, /* . */ + CHAR_EXCLAMATION_MARK, /* ! */ + CHAR_FORWARD_SLASH, /* / */ + CHAR_LEFT_CURLY_BRACE, /* { */ + CHAR_LEFT_PARENTHESES, /* ( */ + CHAR_LEFT_SQUARE_BRACKET, /* [ */ + CHAR_PLUS, /* + */ + CHAR_QUESTION_MARK, /* ? */ + CHAR_RIGHT_CURLY_BRACE, /* } */ + CHAR_RIGHT_PARENTHESES, /* ) */ + CHAR_RIGHT_SQUARE_BRACKET /* ] */ +} = require('./constants'); + +const isPathSeparator = code => { + return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH; +}; + +const depth = token => { + if (token.isPrefix !== true) { + token.depth = token.isGlobstar ? Infinity : 1; + } +}; + +/** + * Quickly scans a glob pattern and returns an object with a handful of + * useful properties, like `isGlob`, `path` (the leading non-glob, if it exists), + * `glob` (the actual pattern), `negated` (true if the path starts with `!` but not + * with `!(`) and `negatedExtglob` (true if the path starts with `!(`). + * + * ```js + * const pm = require('picomatch'); + * console.log(pm.scan('foo/bar/*.js')); + * { isGlob: true, input: 'foo/bar/*.js', base: 'foo/bar', glob: '*.js' } + * ``` + * @param {String} `str` + * @param {Object} `options` + * @return {Object} Returns an object with tokens and regex source string. + * @api public + */ + +const scan = (input, options) => { + const opts = options || {}; + + const length = input.length - 1; + const scanToEnd = opts.parts === true || opts.scanToEnd === true; + const slashes = []; + const tokens = []; + const parts = []; + + let str = input; + let index = -1; + let start = 0; + let lastIndex = 0; + let isBrace = false; + let isBracket = false; + let isGlob = false; + let isExtglob = false; + let isGlobstar = false; + let braceEscaped = false; + let backslashes = false; + let negated = false; + let negatedExtglob = false; + let finished = false; + let braces = 0; + let prev; + let code; + let token = { value: '', depth: 0, isGlob: false }; + + const eos = () => index >= length; + const peek = () => str.charCodeAt(index + 1); + const advance = () => { + prev = code; + return str.charCodeAt(++index); + }; + + while (index < length) { + code = advance(); + let next; + + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + code = advance(); + + if (code === CHAR_LEFT_CURLY_BRACE) { + braceEscaped = true; + } + continue; + } + + if (braceEscaped === true || code === CHAR_LEFT_CURLY_BRACE) { + braces++; + + while (eos() !== true && (code = advance())) { + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + advance(); + continue; + } + + if (code === CHAR_LEFT_CURLY_BRACE) { + braces++; + continue; + } + + if (braceEscaped !== true && code === CHAR_DOT && (code = advance()) === CHAR_DOT) { + isBrace = token.isBrace = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (braceEscaped !== true && code === CHAR_COMMA) { + isBrace = token.isBrace = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (code === CHAR_RIGHT_CURLY_BRACE) { + braces--; + + if (braces === 0) { + braceEscaped = false; + isBrace = token.isBrace = true; + finished = true; + break; + } + } + } + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (code === CHAR_FORWARD_SLASH) { + slashes.push(index); + tokens.push(token); + token = { value: '', depth: 0, isGlob: false }; + + if (finished === true) continue; + if (prev === CHAR_DOT && index === (start + 1)) { + start += 2; + continue; + } + + lastIndex = index + 1; + continue; + } + + if (opts.noext !== true) { + const isExtglobChar = code === CHAR_PLUS + || code === CHAR_AT + || code === CHAR_ASTERISK + || code === CHAR_QUESTION_MARK + || code === CHAR_EXCLAMATION_MARK; + + if (isExtglobChar === true && peek() === CHAR_LEFT_PARENTHESES) { + isGlob = token.isGlob = true; + isExtglob = token.isExtglob = true; + finished = true; + if (code === CHAR_EXCLAMATION_MARK && index === start) { + negatedExtglob = true; + } + + if (scanToEnd === true) { + while (eos() !== true && (code = advance())) { + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + code = advance(); + continue; + } + + if (code === CHAR_RIGHT_PARENTHESES) { + isGlob = token.isGlob = true; + finished = true; + break; + } + } + continue; + } + break; + } + } + + if (code === CHAR_ASTERISK) { + if (prev === CHAR_ASTERISK) isGlobstar = token.isGlobstar = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + break; + } + + if (code === CHAR_QUESTION_MARK) { + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + break; + } + + if (code === CHAR_LEFT_SQUARE_BRACKET) { + while (eos() !== true && (next = advance())) { + if (next === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + advance(); + continue; + } + + if (next === CHAR_RIGHT_SQUARE_BRACKET) { + isBracket = token.isBracket = true; + isGlob = token.isGlob = true; + finished = true; + break; + } + } + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (opts.nonegate !== true && code === CHAR_EXCLAMATION_MARK && index === start) { + negated = token.negated = true; + start++; + continue; + } + + if (opts.noparen !== true && code === CHAR_LEFT_PARENTHESES) { + isGlob = token.isGlob = true; + + if (scanToEnd === true) { + while (eos() !== true && (code = advance())) { + if (code === CHAR_LEFT_PARENTHESES) { + backslashes = token.backslashes = true; + code = advance(); + continue; + } + + if (code === CHAR_RIGHT_PARENTHESES) { + finished = true; + break; + } + } + continue; + } + break; + } + + if (isGlob === true) { + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + } + + if (opts.noext === true) { + isExtglob = false; + isGlob = false; + } + + let base = str; + let prefix = ''; + let glob = ''; + + if (start > 0) { + prefix = str.slice(0, start); + str = str.slice(start); + lastIndex -= start; + } + + if (base && isGlob === true && lastIndex > 0) { + base = str.slice(0, lastIndex); + glob = str.slice(lastIndex); + } else if (isGlob === true) { + base = ''; + glob = str; + } else { + base = str; + } + + if (base && base !== '' && base !== '/' && base !== str) { + if (isPathSeparator(base.charCodeAt(base.length - 1))) { + base = base.slice(0, -1); + } + } + + if (opts.unescape === true) { + if (glob) glob = utils.removeBackslashes(glob); + + if (base && backslashes === true) { + base = utils.removeBackslashes(base); + } + } + + const state = { + prefix, + input, + start, + base, + glob, + isBrace, + isBracket, + isGlob, + isExtglob, + isGlobstar, + negated, + negatedExtglob + }; + + if (opts.tokens === true) { + state.maxDepth = 0; + if (!isPathSeparator(code)) { + tokens.push(token); + } + state.tokens = tokens; + } + + if (opts.parts === true || opts.tokens === true) { + let prevIndex; + + for (let idx = 0; idx < slashes.length; idx++) { + const n = prevIndex ? prevIndex + 1 : start; + const i = slashes[idx]; + const value = input.slice(n, i); + if (opts.tokens) { + if (idx === 0 && start !== 0) { + tokens[idx].isPrefix = true; + tokens[idx].value = prefix; + } else { + tokens[idx].value = value; + } + depth(tokens[idx]); + state.maxDepth += tokens[idx].depth; + } + if (idx !== 0 || value !== '') { + parts.push(value); + } + prevIndex = i; + } + + if (prevIndex && prevIndex + 1 < input.length) { + const value = input.slice(prevIndex + 1); + parts.push(value); + + if (opts.tokens) { + tokens[tokens.length - 1].value = value; + depth(tokens[tokens.length - 1]); + state.maxDepth += tokens[tokens.length - 1].depth; + } + } + + state.slashes = slashes; + state.parts = parts; + } + + return state; +}; + +module.exports = scan; diff --git a/node_modules/picomatch/lib/utils.js b/node_modules/picomatch/lib/utils.js new file mode 100644 index 0000000..9c97cae --- /dev/null +++ b/node_modules/picomatch/lib/utils.js @@ -0,0 +1,72 @@ +/*global navigator*/ +'use strict'; + +const { + REGEX_BACKSLASH, + REGEX_REMOVE_BACKSLASH, + REGEX_SPECIAL_CHARS, + REGEX_SPECIAL_CHARS_GLOBAL +} = require('./constants'); + +exports.isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val); +exports.hasRegexChars = str => REGEX_SPECIAL_CHARS.test(str); +exports.isRegexChar = str => str.length === 1 && exports.hasRegexChars(str); +exports.escapeRegex = str => str.replace(REGEX_SPECIAL_CHARS_GLOBAL, '\\$1'); +exports.toPosixSlashes = str => str.replace(REGEX_BACKSLASH, '/'); + +exports.isWindows = () => { + if (typeof navigator !== 'undefined' && navigator.platform) { + const platform = navigator.platform.toLowerCase(); + return platform === 'win32' || platform === 'windows'; + } + + if (typeof process !== 'undefined' && process.platform) { + return process.platform === 'win32'; + } + + return false; +}; + +exports.removeBackslashes = str => { + return str.replace(REGEX_REMOVE_BACKSLASH, match => { + return match === '\\' ? '' : match; + }); +}; + +exports.escapeLast = (input, char, lastIdx) => { + const idx = input.lastIndexOf(char, lastIdx); + if (idx === -1) return input; + if (input[idx - 1] === '\\') return exports.escapeLast(input, char, idx - 1); + return `${input.slice(0, idx)}\\${input.slice(idx)}`; +}; + +exports.removePrefix = (input, state = {}) => { + let output = input; + if (output.startsWith('./')) { + output = output.slice(2); + state.prefix = './'; + } + return output; +}; + +exports.wrapOutput = (input, state = {}, options = {}) => { + const prepend = options.contains ? '' : '^'; + const append = options.contains ? '' : '$'; + + let output = `${prepend}(?:${input})${append}`; + if (state.negated === true) { + output = `(?:^(?!${output}).*$)`; + } + return output; +}; + +exports.basename = (path, { windows } = {}) => { + const segs = path.split(windows ? /[\\/]/ : '/'); + const last = segs[segs.length - 1]; + + if (last === '') { + return segs[segs.length - 2]; + } + + return last; +}; diff --git a/node_modules/picomatch/package.json b/node_modules/picomatch/package.json new file mode 100644 index 0000000..372e27e --- /dev/null +++ b/node_modules/picomatch/package.json @@ -0,0 +1,83 @@ +{ + "name": "picomatch", + "description": "Blazing fast and accurate glob matcher written in JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.", + "version": "4.0.3", + "homepage": "https://github.com/micromatch/picomatch", + "author": "Jon Schlinkert (https://github.com/jonschlinkert)", + "funding": "https://github.com/sponsors/jonschlinkert", + "repository": "micromatch/picomatch", + "bugs": { + "url": "https://github.com/micromatch/picomatch/issues" + }, + "license": "MIT", + "files": [ + "index.js", + "posix.js", + "lib" + ], + "sideEffects": false, + "main": "index.js", + "engines": { + "node": ">=12" + }, + "scripts": { + "lint": "eslint --cache --cache-location node_modules/.cache/.eslintcache --report-unused-disable-directives --ignore-path .gitignore .", + "mocha": "mocha --reporter dot", + "test": "npm run lint && npm run mocha", + "test:ci": "npm run test:cover", + "test:cover": "nyc npm run mocha" + }, + "devDependencies": { + "eslint": "^8.57.0", + "fill-range": "^7.0.1", + "gulp-format-md": "^2.0.0", + "mocha": "^10.4.0", + "nyc": "^15.1.0", + "time-require": "github:jonschlinkert/time-require" + }, + "keywords": [ + "glob", + "match", + "picomatch" + ], + "nyc": { + "reporter": [ + "html", + "lcov", + "text-summary" + ] + }, + "verb": { + "toc": { + "render": true, + "method": "preWrite", + "maxdepth": 3 + }, + "layout": "empty", + "tasks": [ + "readme" + ], + "plugins": [ + "gulp-format-md" + ], + "lint": { + "reflinks": true + }, + "related": { + "list": [ + "braces", + "micromatch" + ] + }, + "reflinks": [ + "braces", + "expand-brackets", + "extglob", + "fill-range", + "micromatch", + "minimatch", + "nanomatch", + "picomatch" + ] + } +} diff --git a/node_modules/picomatch/posix.js b/node_modules/picomatch/posix.js new file mode 100644 index 0000000..d2f2bc5 --- /dev/null +++ b/node_modules/picomatch/posix.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./lib/picomatch'); diff --git a/node_modules/postcss/LICENSE b/node_modules/postcss/LICENSE new file mode 100644 index 0000000..da057b4 --- /dev/null +++ b/node_modules/postcss/LICENSE @@ -0,0 +1,20 @@ +The MIT License (MIT) + +Copyright 2013 Andrey Sitnik + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/node_modules/postcss/README.md b/node_modules/postcss/README.md new file mode 100644 index 0000000..05fed07 --- /dev/null +++ b/node_modules/postcss/README.md @@ -0,0 +1,29 @@ +# PostCSS + +Philosopher’s stone, logo of PostCSS + +PostCSS is a tool for transforming styles with JS plugins. +These plugins can lint your CSS, support variables and mixins, +transpile future CSS syntax, inline images, and more. + +PostCSS is used by industry leaders including Wikipedia, Twitter, Alibaba, +and JetBrains. The [Autoprefixer] and [Stylelint] PostCSS plugins are some of the most popular CSS tools. + +--- + +  Built by + Evil Martians, go-to agency for developer tools. + +--- + +[Abstract Syntax Tree]: https://en.wikipedia.org/wiki/Abstract_syntax_tree +[Evil Martians]: https://evilmartians.com/?utm_source=postcss +[Autoprefixer]: https://github.com/postcss/autoprefixer +[Stylelint]: https://stylelint.io/ +[plugins]: https://github.com/postcss/postcss#plugins + + +## Docs +Read full docs **[here](https://postcss.org/)**. diff --git a/node_modules/postcss/lib/at-rule.d.ts b/node_modules/postcss/lib/at-rule.d.ts new file mode 100644 index 0000000..89fb505 --- /dev/null +++ b/node_modules/postcss/lib/at-rule.d.ts @@ -0,0 +1,140 @@ +import Container, { + ContainerProps, + ContainerWithChildren +} from './container.js' + +declare namespace AtRule { + export interface AtRuleRaws extends Record { + /** + * The space symbols after the last child of the node to the end of the node. + */ + after?: string + + /** + * The space between the at-rule name and its parameters. + */ + afterName?: string + + /** + * The space symbols before the node. It also stores `*` + * and `_` symbols before the declaration (IE hack). + */ + before?: string + + /** + * The symbols between the last parameter and `{` for rules. + */ + between?: string + + /** + * The rule’s selector with comments. + */ + params?: { + raw: string + value: string + } + + /** + * Contains `true` if the last child has an (optional) semicolon. + */ + semicolon?: boolean + } + + export interface AtRuleProps extends ContainerProps { + /** Name of the at-rule. */ + name: string + /** Parameters following the name of the at-rule. */ + params?: number | string + /** Information used to generate byte-to-byte equal node string as it was in the origin input. */ + raws?: AtRuleRaws + } + + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { AtRule_ as default } +} + +/** + * Represents an at-rule. + * + * ```js + * Once (root, { AtRule }) { + * let media = new AtRule({ name: 'media', params: 'print' }) + * media.append(…) + * root.append(media) + * } + * ``` + * + * If it’s followed in the CSS by a `{}` block, this node will have + * a nodes property representing its children. + * + * ```js + * const root = postcss.parse('@charset "UTF-8"; @media print {}') + * + * const charset = root.first + * charset.type //=> 'atrule' + * charset.nodes //=> undefined + * + * const media = root.last + * media.nodes //=> [] + * ``` + */ +declare class AtRule_ extends Container { + /** + * An array containing the layer’s children. + * + * ```js + * const root = postcss.parse('@layer example { a { color: black } }') + * const layer = root.first + * layer.nodes.length //=> 1 + * layer.nodes[0].selector //=> 'a' + * ``` + * + * Can be `undefinded` if the at-rule has no body. + * + * ```js + * const root = postcss.parse('@layer a, b, c;') + * const layer = root.first + * layer.nodes //=> undefined + * ``` + */ + nodes: Container['nodes'] | undefined + parent: ContainerWithChildren | undefined + + raws: AtRule.AtRuleRaws + type: 'atrule' + /** + * The at-rule’s name immediately follows the `@`. + * + * ```js + * const root = postcss.parse('@media print {}') + * const media = root.first + * media.name //=> 'media' + * ``` + */ + get name(): string + set name(value: string) + + /** + * The at-rule’s parameters, the values that follow the at-rule’s name + * but precede any `{}` block. + * + * ```js + * const root = postcss.parse('@media print, screen {}') + * const media = root.first + * media.params //=> 'print, screen' + * ``` + */ + get params(): string + + set params(value: string) + + constructor(defaults?: AtRule.AtRuleProps) + assign(overrides: AtRule.AtRuleProps | object): this + clone(overrides?: Partial): this + cloneAfter(overrides?: Partial): this + cloneBefore(overrides?: Partial): this +} + +declare class AtRule extends AtRule_ {} + +export = AtRule diff --git a/node_modules/postcss/lib/at-rule.js b/node_modules/postcss/lib/at-rule.js new file mode 100644 index 0000000..9486447 --- /dev/null +++ b/node_modules/postcss/lib/at-rule.js @@ -0,0 +1,25 @@ +'use strict' + +let Container = require('./container') + +class AtRule extends Container { + constructor(defaults) { + super(defaults) + this.type = 'atrule' + } + + append(...children) { + if (!this.proxyOf.nodes) this.nodes = [] + return super.append(...children) + } + + prepend(...children) { + if (!this.proxyOf.nodes) this.nodes = [] + return super.prepend(...children) + } +} + +module.exports = AtRule +AtRule.default = AtRule + +Container.registerAtRule(AtRule) diff --git a/node_modules/postcss/lib/comment.d.ts b/node_modules/postcss/lib/comment.d.ts new file mode 100644 index 0000000..6f1f66f --- /dev/null +++ b/node_modules/postcss/lib/comment.d.ts @@ -0,0 +1,68 @@ +import Container from './container.js' +import Node, { NodeProps } from './node.js' + +declare namespace Comment { + export interface CommentRaws extends Record { + /** + * The space symbols before the node. + */ + before?: string + + /** + * The space symbols between `/*` and the comment’s text. + */ + left?: string + + /** + * The space symbols between the comment’s text. + */ + right?: string + } + + export interface CommentProps extends NodeProps { + /** Information used to generate byte-to-byte equal node string as it was in the origin input. */ + raws?: CommentRaws + /** Content of the comment. */ + text: string + } + + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { Comment_ as default } +} + +/** + * It represents a class that handles + * [CSS comments](https://developer.mozilla.org/en-US/docs/Web/CSS/Comments) + * + * ```js + * Once (root, { Comment }) { + * const note = new Comment({ text: 'Note: …' }) + * root.append(note) + * } + * ``` + * + * Remember that CSS comments inside selectors, at-rule parameters, + * or declaration values will be stored in the `raws` properties + * explained above. + */ +declare class Comment_ extends Node { + parent: Container | undefined + raws: Comment.CommentRaws + type: 'comment' + /** + * The comment's text. + */ + get text(): string + + set text(value: string) + + constructor(defaults?: Comment.CommentProps) + assign(overrides: Comment.CommentProps | object): this + clone(overrides?: Partial): this + cloneAfter(overrides?: Partial): this + cloneBefore(overrides?: Partial): this +} + +declare class Comment extends Comment_ {} + +export = Comment diff --git a/node_modules/postcss/lib/comment.js b/node_modules/postcss/lib/comment.js new file mode 100644 index 0000000..c566506 --- /dev/null +++ b/node_modules/postcss/lib/comment.js @@ -0,0 +1,13 @@ +'use strict' + +let Node = require('./node') + +class Comment extends Node { + constructor(defaults) { + super(defaults) + this.type = 'comment' + } +} + +module.exports = Comment +Comment.default = Comment diff --git a/node_modules/postcss/lib/container.d.ts b/node_modules/postcss/lib/container.d.ts new file mode 100644 index 0000000..c2b310b --- /dev/null +++ b/node_modules/postcss/lib/container.d.ts @@ -0,0 +1,483 @@ +import AtRule from './at-rule.js' +import Comment from './comment.js' +import Declaration from './declaration.js' +import Node, { ChildNode, ChildProps, NodeProps } from './node.js' +import { Root } from './postcss.js' +import Rule from './rule.js' + +declare namespace Container { + export type ContainerWithChildren = { + nodes: Child[] + } & ( + | AtRule + | Root + | Rule + ) + + export interface ValueOptions { + /** + * String that’s used to narrow down values and speed up the regexp search. + */ + fast?: string + + /** + * An array of property names. + */ + props?: readonly string[] + } + + export interface ContainerProps extends NodeProps { + nodes?: readonly (ChildProps | Node)[] + } + + /** + * All types that can be passed into container methods to create or add a new + * child node. + */ + export type NewChild = + | ChildProps + | Node + | readonly ChildProps[] + | readonly Node[] + | readonly string[] + | string + | undefined + + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { Container_ as default } +} + +/** + * The `Root`, `AtRule`, and `Rule` container nodes + * inherit some common methods to help work with their children. + * + * Note that all containers can store any content. If you write a rule inside + * a rule, PostCSS will parse it. + */ +declare abstract class Container_ extends Node { + /** + * An array containing the container’s children. + * + * ```js + * const root = postcss.parse('a { color: black }') + * root.nodes.length //=> 1 + * root.nodes[0].selector //=> 'a' + * root.nodes[0].nodes[0].prop //=> 'color' + * ``` + */ + nodes: Child[] | undefined + + /** + * The container’s first child. + * + * ```js + * rule.first === rules.nodes[0] + * ``` + */ + get first(): Child | undefined + + /** + * The container’s last child. + * + * ```js + * rule.last === rule.nodes[rule.nodes.length - 1] + * ``` + */ + get last(): Child | undefined + /** + * Inserts new nodes to the end of the container. + * + * ```js + * const decl1 = new Declaration({ prop: 'color', value: 'black' }) + * const decl2 = new Declaration({ prop: 'background-color', value: 'white' }) + * rule.append(decl1, decl2) + * + * root.append({ name: 'charset', params: '"UTF-8"' }) // at-rule + * root.append({ selector: 'a' }) // rule + * rule.append({ prop: 'color', value: 'black' }) // declaration + * rule.append({ text: 'Comment' }) // comment + * + * root.append('a {}') + * root.first.append('color: black; z-index: 1') + * ``` + * + * @param nodes New nodes. + * @return This node for methods chain. + */ + append(...nodes: Container.NewChild[]): this + assign(overrides: Container.ContainerProps | object): this + clone(overrides?: Partial): this + + cloneAfter(overrides?: Partial): this + + cloneBefore(overrides?: Partial): this + /** + * Iterates through the container’s immediate children, + * calling `callback` for each child. + * + * Returning `false` in the callback will break iteration. + * + * This method only iterates through the container’s immediate children. + * If you need to recursively iterate through all the container’s descendant + * nodes, use `Container#walk`. + * + * Unlike the for `{}`-cycle or `Array#forEach` this iterator is safe + * if you are mutating the array of child nodes during iteration. + * PostCSS will adjust the current index to match the mutations. + * + * ```js + * const root = postcss.parse('a { color: black; z-index: 1 }') + * const rule = root.first + * + * for (const decl of rule.nodes) { + * decl.cloneBefore({ prop: '-webkit-' + decl.prop }) + * // Cycle will be infinite, because cloneBefore moves the current node + * // to the next index + * } + * + * rule.each(decl => { + * decl.cloneBefore({ prop: '-webkit-' + decl.prop }) + * // Will be executed only for color and z-index + * }) + * ``` + * + * @param callback Iterator receives each node and index. + * @return Returns `false` if iteration was broke. + */ + each( + callback: (node: Child, index: number) => false | void + ): false | undefined + + /** + * Returns `true` if callback returns `true` + * for all of the container’s children. + * + * ```js + * const noPrefixes = rule.every(i => i.prop[0] !== '-') + * ``` + * + * @param condition Iterator returns true or false. + * @return Is every child pass condition. + */ + every( + condition: (node: Child, index: number, nodes: Child[]) => boolean + ): boolean + /** + * Returns a `child`’s index within the `Container#nodes` array. + * + * ```js + * rule.index( rule.nodes[2] ) //=> 2 + * ``` + * + * @param child Child of the current container. + * @return Child index. + */ + index(child: Child | number): number + + /** + * Insert new node after old node within the container. + * + * @param oldNode Child or child’s index. + * @param newNode New node. + * @return This node for methods chain. + */ + insertAfter(oldNode: Child | number, newNode: Container.NewChild): this + + /** + * Traverses the container’s descendant nodes, calling callback + * for each comment node. + * + * Like `Container#each`, this method is safe + * to use if you are mutating arrays during iteration. + * + * ```js + * root.walkComments(comment => { + * comment.remove() + * }) + * ``` + * + * @param callback Iterator receives each node and index. + * @return Returns `false` if iteration was broke. + */ + + /** + * Insert new node before old node within the container. + * + * ```js + * rule.insertBefore(decl, decl.clone({ prop: '-webkit-' + decl.prop })) + * ``` + * + * @param oldNode Child or child’s index. + * @param newNode New node. + * @return This node for methods chain. + */ + insertBefore(oldNode: Child | number, newNode: Container.NewChild): this + /** + * Inserts new nodes to the start of the container. + * + * ```js + * const decl1 = new Declaration({ prop: 'color', value: 'black' }) + * const decl2 = new Declaration({ prop: 'background-color', value: 'white' }) + * rule.prepend(decl1, decl2) + * + * root.append({ name: 'charset', params: '"UTF-8"' }) // at-rule + * root.append({ selector: 'a' }) // rule + * rule.append({ prop: 'color', value: 'black' }) // declaration + * rule.append({ text: 'Comment' }) // comment + * + * root.append('a {}') + * root.first.append('color: black; z-index: 1') + * ``` + * + * @param nodes New nodes. + * @return This node for methods chain. + */ + prepend(...nodes: Container.NewChild[]): this + + /** + * Add child to the end of the node. + * + * ```js + * rule.push(new Declaration({ prop: 'color', value: 'black' })) + * ``` + * + * @param child New node. + * @return This node for methods chain. + */ + push(child: Child): this + + /** + * Removes all children from the container + * and cleans their parent properties. + * + * ```js + * rule.removeAll() + * rule.nodes.length //=> 0 + * ``` + * + * @return This node for methods chain. + */ + removeAll(): this + + /** + * Removes node from the container and cleans the parent properties + * from the node and its children. + * + * ```js + * rule.nodes.length //=> 5 + * rule.removeChild(decl) + * rule.nodes.length //=> 4 + * decl.parent //=> undefined + * ``` + * + * @param child Child or child’s index. + * @return This node for methods chain. + */ + removeChild(child: Child | number): this + + replaceValues( + pattern: RegExp | string, + replaced: { (substring: string, ...args: any[]): string } | string + ): this + /** + * Passes all declaration values within the container that match pattern + * through callback, replacing those values with the returned result + * of callback. + * + * This method is useful if you are using a custom unit or function + * and need to iterate through all values. + * + * ```js + * root.replaceValues(/\d+rem/, { fast: 'rem' }, string => { + * return 15 * parseInt(string) + 'px' + * }) + * ``` + * + * @param pattern Replace pattern. + * @param {object} options Options to speed up the search. + * @param replaced String to replace pattern or callback + * that returns a new value. The callback + * will receive the same arguments + * as those passed to a function parameter + * of `String#replace`. + * @return This node for methods chain. + */ + replaceValues( + pattern: RegExp | string, + options: Container.ValueOptions, + replaced: { (substring: string, ...args: any[]): string } | string + ): this + + /** + * Returns `true` if callback returns `true` for (at least) one + * of the container’s children. + * + * ```js + * const hasPrefix = rule.some(i => i.prop[0] === '-') + * ``` + * + * @param condition Iterator returns true or false. + * @return Is some child pass condition. + */ + some( + condition: (node: Child, index: number, nodes: Child[]) => boolean + ): boolean + + /** + * Traverses the container’s descendant nodes, calling callback + * for each node. + * + * Like container.each(), this method is safe to use + * if you are mutating arrays during iteration. + * + * If you only need to iterate through the container’s immediate children, + * use `Container#each`. + * + * ```js + * root.walk(node => { + * // Traverses all descendant nodes. + * }) + * ``` + * + * @param callback Iterator receives each node and index. + * @return Returns `false` if iteration was broke. + */ + walk( + callback: (node: ChildNode, index: number) => false | void + ): false | undefined + + /** + * Traverses the container’s descendant nodes, calling callback + * for each at-rule node. + * + * If you pass a filter, iteration will only happen over at-rules + * that have matching names. + * + * Like `Container#each`, this method is safe + * to use if you are mutating arrays during iteration. + * + * ```js + * root.walkAtRules(rule => { + * if (isOld(rule.name)) rule.remove() + * }) + * + * let first = false + * root.walkAtRules('charset', rule => { + * if (!first) { + * first = true + * } else { + * rule.remove() + * } + * }) + * ``` + * + * @param name String or regular expression to filter at-rules by name. + * @param callback Iterator receives each node and index. + * @return Returns `false` if iteration was broke. + */ + walkAtRules( + nameFilter: RegExp | string, + callback: (atRule: AtRule, index: number) => false | void + ): false | undefined + walkAtRules( + callback: (atRule: AtRule, index: number) => false | void + ): false | undefined + + walkComments( + callback: (comment: Comment, indexed: number) => false | void + ): false | undefined + walkComments( + callback: (comment: Comment, indexed: number) => false | void + ): false | undefined + + /** + * Traverses the container’s descendant nodes, calling callback + * for each declaration node. + * + * If you pass a filter, iteration will only happen over declarations + * with matching properties. + * + * ```js + * root.walkDecls(decl => { + * checkPropertySupport(decl.prop) + * }) + * + * root.walkDecls('border-radius', decl => { + * decl.remove() + * }) + * + * root.walkDecls(/^background/, decl => { + * decl.value = takeFirstColorFromGradient(decl.value) + * }) + * ``` + * + * Like `Container#each`, this method is safe + * to use if you are mutating arrays during iteration. + * + * @param prop String or regular expression to filter declarations + * by property name. + * @param callback Iterator receives each node and index. + * @return Returns `false` if iteration was broke. + */ + walkDecls( + propFilter: RegExp | string, + callback: (decl: Declaration, index: number) => false | void + ): false | undefined + walkDecls( + callback: (decl: Declaration, index: number) => false | void + ): false | undefined + /** + * Traverses the container’s descendant nodes, calling callback + * for each rule node. + * + * If you pass a filter, iteration will only happen over rules + * with matching selectors. + * + * Like `Container#each`, this method is safe + * to use if you are mutating arrays during iteration. + * + * ```js + * const selectors = [] + * root.walkRules(rule => { + * selectors.push(rule.selector) + * }) + * console.log(`Your CSS uses ${ selectors.length } selectors`) + * ``` + * + * @param selector String or regular expression to filter rules by selector. + * @param callback Iterator receives each node and index. + * @return Returns `false` if iteration was broke. + */ + walkRules( + selectorFilter: RegExp | string, + callback: (rule: Rule, index: number) => false | void + ): false | undefined + walkRules( + callback: (rule: Rule, index: number) => false | void + ): false | undefined + /** + * An internal method that converts a {@link NewChild} into a list of actual + * child nodes that can then be added to this container. + * + * This ensures that the nodes' parent is set to this container, that they use + * the correct prototype chain, and that they're marked as dirty. + * + * @param mnodes The new node or nodes to add. + * @param sample A node from whose raws the new node's `before` raw should be + * taken. + * @param type This should be set to `'prepend'` if the new nodes will be + * inserted at the beginning of the container. + * @hidden + */ + protected normalize( + nodes: Container.NewChild, + sample: Node | undefined, + type?: 'prepend' | false + ): Child[] +} + +declare class Container< + Child extends Node = ChildNode +> extends Container_ {} + +export = Container diff --git a/node_modules/postcss/lib/container.js b/node_modules/postcss/lib/container.js new file mode 100644 index 0000000..edb07cc --- /dev/null +++ b/node_modules/postcss/lib/container.js @@ -0,0 +1,447 @@ +'use strict' + +let Comment = require('./comment') +let Declaration = require('./declaration') +let Node = require('./node') +let { isClean, my } = require('./symbols') + +let AtRule, parse, Root, Rule + +function cleanSource(nodes) { + return nodes.map(i => { + if (i.nodes) i.nodes = cleanSource(i.nodes) + delete i.source + return i + }) +} + +function markTreeDirty(node) { + node[isClean] = false + if (node.proxyOf.nodes) { + for (let i of node.proxyOf.nodes) { + markTreeDirty(i) + } + } +} + +class Container extends Node { + get first() { + if (!this.proxyOf.nodes) return undefined + return this.proxyOf.nodes[0] + } + + get last() { + if (!this.proxyOf.nodes) return undefined + return this.proxyOf.nodes[this.proxyOf.nodes.length - 1] + } + + append(...children) { + for (let child of children) { + let nodes = this.normalize(child, this.last) + for (let node of nodes) this.proxyOf.nodes.push(node) + } + + this.markDirty() + + return this + } + + cleanRaws(keepBetween) { + super.cleanRaws(keepBetween) + if (this.nodes) { + for (let node of this.nodes) node.cleanRaws(keepBetween) + } + } + + each(callback) { + if (!this.proxyOf.nodes) return undefined + let iterator = this.getIterator() + + let index, result + while (this.indexes[iterator] < this.proxyOf.nodes.length) { + index = this.indexes[iterator] + result = callback(this.proxyOf.nodes[index], index) + if (result === false) break + + this.indexes[iterator] += 1 + } + + delete this.indexes[iterator] + return result + } + + every(condition) { + return this.nodes.every(condition) + } + + getIterator() { + if (!this.lastEach) this.lastEach = 0 + if (!this.indexes) this.indexes = {} + + this.lastEach += 1 + let iterator = this.lastEach + this.indexes[iterator] = 0 + + return iterator + } + + getProxyProcessor() { + return { + get(node, prop) { + if (prop === 'proxyOf') { + return node + } else if (!node[prop]) { + return node[prop] + } else if ( + prop === 'each' || + (typeof prop === 'string' && prop.startsWith('walk')) + ) { + return (...args) => { + return node[prop]( + ...args.map(i => { + if (typeof i === 'function') { + return (child, index) => i(child.toProxy(), index) + } else { + return i + } + }) + ) + } + } else if (prop === 'every' || prop === 'some') { + return cb => { + return node[prop]((child, ...other) => + cb(child.toProxy(), ...other) + ) + } + } else if (prop === 'root') { + return () => node.root().toProxy() + } else if (prop === 'nodes') { + return node.nodes.map(i => i.toProxy()) + } else if (prop === 'first' || prop === 'last') { + return node[prop].toProxy() + } else { + return node[prop] + } + }, + + set(node, prop, value) { + if (node[prop] === value) return true + node[prop] = value + if (prop === 'name' || prop === 'params' || prop === 'selector') { + node.markDirty() + } + return true + } + } + } + + index(child) { + if (typeof child === 'number') return child + if (child.proxyOf) child = child.proxyOf + return this.proxyOf.nodes.indexOf(child) + } + + insertAfter(exist, add) { + let existIndex = this.index(exist) + let nodes = this.normalize(add, this.proxyOf.nodes[existIndex]).reverse() + existIndex = this.index(exist) + for (let node of nodes) this.proxyOf.nodes.splice(existIndex + 1, 0, node) + + let index + for (let id in this.indexes) { + index = this.indexes[id] + if (existIndex < index) { + this.indexes[id] = index + nodes.length + } + } + + this.markDirty() + + return this + } + + insertBefore(exist, add) { + let existIndex = this.index(exist) + let type = existIndex === 0 ? 'prepend' : false + let nodes = this.normalize( + add, + this.proxyOf.nodes[existIndex], + type + ).reverse() + existIndex = this.index(exist) + for (let node of nodes) this.proxyOf.nodes.splice(existIndex, 0, node) + + let index + for (let id in this.indexes) { + index = this.indexes[id] + if (existIndex <= index) { + this.indexes[id] = index + nodes.length + } + } + + this.markDirty() + + return this + } + + normalize(nodes, sample) { + if (typeof nodes === 'string') { + nodes = cleanSource(parse(nodes).nodes) + } else if (typeof nodes === 'undefined') { + nodes = [] + } else if (Array.isArray(nodes)) { + nodes = nodes.slice(0) + for (let i of nodes) { + if (i.parent) i.parent.removeChild(i, 'ignore') + } + } else if (nodes.type === 'root' && this.type !== 'document') { + nodes = nodes.nodes.slice(0) + for (let i of nodes) { + if (i.parent) i.parent.removeChild(i, 'ignore') + } + } else if (nodes.type) { + nodes = [nodes] + } else if (nodes.prop) { + if (typeof nodes.value === 'undefined') { + throw new Error('Value field is missed in node creation') + } else if (typeof nodes.value !== 'string') { + nodes.value = String(nodes.value) + } + nodes = [new Declaration(nodes)] + } else if (nodes.selector || nodes.selectors) { + nodes = [new Rule(nodes)] + } else if (nodes.name) { + nodes = [new AtRule(nodes)] + } else if (nodes.text) { + nodes = [new Comment(nodes)] + } else { + throw new Error('Unknown node type in node creation') + } + + let processed = nodes.map(i => { + /* c8 ignore next */ + if (!i[my]) Container.rebuild(i) + i = i.proxyOf + if (i.parent) i.parent.removeChild(i) + if (i[isClean]) markTreeDirty(i) + + if (!i.raws) i.raws = {} + if (typeof i.raws.before === 'undefined') { + if (sample && typeof sample.raws.before !== 'undefined') { + i.raws.before = sample.raws.before.replace(/\S/g, '') + } + } + i.parent = this.proxyOf + return i + }) + + return processed + } + + prepend(...children) { + children = children.reverse() + for (let child of children) { + let nodes = this.normalize(child, this.first, 'prepend').reverse() + for (let node of nodes) this.proxyOf.nodes.unshift(node) + for (let id in this.indexes) { + this.indexes[id] = this.indexes[id] + nodes.length + } + } + + this.markDirty() + + return this + } + + push(child) { + child.parent = this + this.proxyOf.nodes.push(child) + return this + } + + removeAll() { + for (let node of this.proxyOf.nodes) node.parent = undefined + this.proxyOf.nodes = [] + + this.markDirty() + + return this + } + + removeChild(child) { + child = this.index(child) + this.proxyOf.nodes[child].parent = undefined + this.proxyOf.nodes.splice(child, 1) + + let index + for (let id in this.indexes) { + index = this.indexes[id] + if (index >= child) { + this.indexes[id] = index - 1 + } + } + + this.markDirty() + + return this + } + + replaceValues(pattern, opts, callback) { + if (!callback) { + callback = opts + opts = {} + } + + this.walkDecls(decl => { + if (opts.props && !opts.props.includes(decl.prop)) return + if (opts.fast && !decl.value.includes(opts.fast)) return + + decl.value = decl.value.replace(pattern, callback) + }) + + this.markDirty() + + return this + } + + some(condition) { + return this.nodes.some(condition) + } + + walk(callback) { + return this.each((child, i) => { + let result + try { + result = callback(child, i) + } catch (e) { + throw child.addToError(e) + } + if (result !== false && child.walk) { + result = child.walk(callback) + } + + return result + }) + } + + walkAtRules(name, callback) { + if (!callback) { + callback = name + return this.walk((child, i) => { + if (child.type === 'atrule') { + return callback(child, i) + } + }) + } + if (name instanceof RegExp) { + return this.walk((child, i) => { + if (child.type === 'atrule' && name.test(child.name)) { + return callback(child, i) + } + }) + } + return this.walk((child, i) => { + if (child.type === 'atrule' && child.name === name) { + return callback(child, i) + } + }) + } + + walkComments(callback) { + return this.walk((child, i) => { + if (child.type === 'comment') { + return callback(child, i) + } + }) + } + + walkDecls(prop, callback) { + if (!callback) { + callback = prop + return this.walk((child, i) => { + if (child.type === 'decl') { + return callback(child, i) + } + }) + } + if (prop instanceof RegExp) { + return this.walk((child, i) => { + if (child.type === 'decl' && prop.test(child.prop)) { + return callback(child, i) + } + }) + } + return this.walk((child, i) => { + if (child.type === 'decl' && child.prop === prop) { + return callback(child, i) + } + }) + } + + walkRules(selector, callback) { + if (!callback) { + callback = selector + + return this.walk((child, i) => { + if (child.type === 'rule') { + return callback(child, i) + } + }) + } + if (selector instanceof RegExp) { + return this.walk((child, i) => { + if (child.type === 'rule' && selector.test(child.selector)) { + return callback(child, i) + } + }) + } + return this.walk((child, i) => { + if (child.type === 'rule' && child.selector === selector) { + return callback(child, i) + } + }) + } +} + +Container.registerParse = dependant => { + parse = dependant +} + +Container.registerRule = dependant => { + Rule = dependant +} + +Container.registerAtRule = dependant => { + AtRule = dependant +} + +Container.registerRoot = dependant => { + Root = dependant +} + +module.exports = Container +Container.default = Container + +/* c8 ignore start */ +Container.rebuild = node => { + if (node.type === 'atrule') { + Object.setPrototypeOf(node, AtRule.prototype) + } else if (node.type === 'rule') { + Object.setPrototypeOf(node, Rule.prototype) + } else if (node.type === 'decl') { + Object.setPrototypeOf(node, Declaration.prototype) + } else if (node.type === 'comment') { + Object.setPrototypeOf(node, Comment.prototype) + } else if (node.type === 'root') { + Object.setPrototypeOf(node, Root.prototype) + } + + node[my] = true + + if (node.nodes) { + node.nodes.forEach(child => { + Container.rebuild(child) + }) + } +} +/* c8 ignore stop */ diff --git a/node_modules/postcss/lib/css-syntax-error.d.ts b/node_modules/postcss/lib/css-syntax-error.d.ts new file mode 100644 index 0000000..e540d84 --- /dev/null +++ b/node_modules/postcss/lib/css-syntax-error.d.ts @@ -0,0 +1,248 @@ +import { FilePosition } from './input.js' + +declare namespace CssSyntaxError { + /** + * A position that is part of a range. + */ + export interface RangePosition { + /** + * The column number in the input. + */ + column: number + + /** + * The line number in the input. + */ + line: number + } + + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { CssSyntaxError_ as default } +} + +/** + * The CSS parser throws this error for broken CSS. + * + * Custom parsers can throw this error for broken custom syntax using + * the `Node#error` method. + * + * PostCSS will use the input source map to detect the original error location. + * If you wrote a Sass file, compiled it to CSS and then parsed it with PostCSS, + * PostCSS will show the original position in the Sass file. + * + * If you need the position in the PostCSS input + * (e.g., to debug the previous compiler), use `error.input.file`. + * + * ```js + * // Raising error from plugin + * throw node.error('Unknown variable', { plugin: 'postcss-vars' }) + * ``` + * + * ```js + * // Catching and checking syntax error + * try { + * postcss.parse('a{') + * } catch (error) { + * if (error.name === 'CssSyntaxError') { + * error //=> CssSyntaxError + * } + * } + * ``` + */ +declare class CssSyntaxError_ extends Error { + /** + * Source column of the error. + * + * ```js + * error.column //=> 1 + * error.input.column //=> 4 + * ``` + * + * PostCSS will use the input source map to detect the original location. + * If you need the position in the PostCSS input, use `error.input.column`. + */ + column?: number + + /** + * Source column of the error's end, exclusive. Provided if the error pertains + * to a range. + * + * ```js + * error.endColumn //=> 1 + * error.input.endColumn //=> 4 + * ``` + * + * PostCSS will use the input source map to detect the original location. + * If you need the position in the PostCSS input, use `error.input.endColumn`. + */ + endColumn?: number + + /** + * Source line of the error's end, exclusive. Provided if the error pertains + * to a range. + * + * ```js + * error.endLine //=> 3 + * error.input.endLine //=> 4 + * ``` + * + * PostCSS will use the input source map to detect the original location. + * If you need the position in the PostCSS input, use `error.input.endLine`. + */ + endLine?: number + + /** + * Absolute path to the broken file. + * + * ```js + * error.file //=> 'a.sass' + * error.input.file //=> 'a.css' + * ``` + * + * PostCSS will use the input source map to detect the original location. + * If you need the position in the PostCSS input, use `error.input.file`. + */ + file?: string + + /** + * Input object with PostCSS internal information + * about input file. If input has source map + * from previous tool, PostCSS will use origin + * (for example, Sass) source. You can use this + * object to get PostCSS input source. + * + * ```js + * error.input.file //=> 'a.css' + * error.file //=> 'a.sass' + * ``` + */ + input?: FilePosition + + /** + * Source line of the error. + * + * ```js + * error.line //=> 2 + * error.input.line //=> 4 + * ``` + * + * PostCSS will use the input source map to detect the original location. + * If you need the position in the PostCSS input, use `error.input.line`. + */ + line?: number + + /** + * Full error text in the GNU error format + * with plugin, file, line and column. + * + * ```js + * error.message //=> 'a.css:1:1: Unclosed block' + * ``` + */ + message: string + + /** + * Always equal to `'CssSyntaxError'`. You should always check error type + * by `error.name === 'CssSyntaxError'` + * instead of `error instanceof CssSyntaxError`, + * because npm could have several PostCSS versions. + * + * ```js + * if (error.name === 'CssSyntaxError') { + * error //=> CssSyntaxError + * } + * ``` + */ + name: 'CssSyntaxError' + + /** + * Plugin name, if error came from plugin. + * + * ```js + * error.plugin //=> 'postcss-vars' + * ``` + */ + plugin?: string + + /** + * Error message. + * + * ```js + * error.message //=> 'Unclosed block' + * ``` + */ + reason: string + + /** + * Source code of the broken file. + * + * ```js + * error.source //=> 'a { b {} }' + * error.input.source //=> 'a b { }' + * ``` + */ + source?: string + + stack: string + + /** + * Instantiates a CSS syntax error. Can be instantiated for a single position + * or for a range. + * @param message Error message. + * @param lineOrStartPos If for a single position, the line number, or if for + * a range, the inclusive start position of the error. + * @param columnOrEndPos If for a single position, the column number, or if for + * a range, the exclusive end position of the error. + * @param source Source code of the broken file. + * @param file Absolute path to the broken file. + * @param plugin PostCSS plugin name, if error came from plugin. + */ + constructor( + message: string, + lineOrStartPos?: CssSyntaxError.RangePosition | number, + columnOrEndPos?: CssSyntaxError.RangePosition | number, + source?: string, + file?: string, + plugin?: string + ) + + /** + * Returns a few lines of CSS source that caused the error. + * + * If the CSS has an input source map without `sourceContent`, + * this method will return an empty string. + * + * ```js + * error.showSourceCode() //=> " 4 | } + * // 5 | a { + * // > 6 | bad + * // | ^ + * // 7 | } + * // 8 | b {" + * ``` + * + * @param color Whether arrow will be colored red by terminal + * color codes. By default, PostCSS will detect + * color support by `process.stdout.isTTY` + * and `process.env.NODE_DISABLE_COLORS`. + * @return Few lines of CSS source that caused the error. + */ + showSourceCode(color?: boolean): string + + /** + * Returns error position, message and source code of the broken part. + * + * ```js + * error.toString() //=> "CssSyntaxError: app.css:1:1: Unclosed block + * // > 1 | a { + * // | ^" + * ``` + * + * @return Error position, message and source code. + */ + toString(): string +} + +declare class CssSyntaxError extends CssSyntaxError_ {} + +export = CssSyntaxError diff --git a/node_modules/postcss/lib/css-syntax-error.js b/node_modules/postcss/lib/css-syntax-error.js new file mode 100644 index 0000000..275a4f6 --- /dev/null +++ b/node_modules/postcss/lib/css-syntax-error.js @@ -0,0 +1,133 @@ +'use strict' + +let pico = require('picocolors') + +let terminalHighlight = require('./terminal-highlight') + +class CssSyntaxError extends Error { + constructor(message, line, column, source, file, plugin) { + super(message) + this.name = 'CssSyntaxError' + this.reason = message + + if (file) { + this.file = file + } + if (source) { + this.source = source + } + if (plugin) { + this.plugin = plugin + } + if (typeof line !== 'undefined' && typeof column !== 'undefined') { + if (typeof line === 'number') { + this.line = line + this.column = column + } else { + this.line = line.line + this.column = line.column + this.endLine = column.line + this.endColumn = column.column + } + } + + this.setMessage() + + if (Error.captureStackTrace) { + Error.captureStackTrace(this, CssSyntaxError) + } + } + + setMessage() { + this.message = this.plugin ? this.plugin + ': ' : '' + this.message += this.file ? this.file : '' + if (typeof this.line !== 'undefined') { + this.message += ':' + this.line + ':' + this.column + } + this.message += ': ' + this.reason + } + + showSourceCode(color) { + if (!this.source) return '' + + let css = this.source + if (color == null) color = pico.isColorSupported + + let aside = text => text + let mark = text => text + let highlight = text => text + if (color) { + let { bold, gray, red } = pico.createColors(true) + mark = text => bold(red(text)) + aside = text => gray(text) + if (terminalHighlight) { + highlight = text => terminalHighlight(text) + } + } + + let lines = css.split(/\r?\n/) + let start = Math.max(this.line - 3, 0) + let end = Math.min(this.line + 2, lines.length) + let maxWidth = String(end).length + + return lines + .slice(start, end) + .map((line, index) => { + let number = start + 1 + index + let gutter = ' ' + (' ' + number).slice(-maxWidth) + ' | ' + if (number === this.line) { + if (line.length > 160) { + let padding = 20 + let subLineStart = Math.max(0, this.column - padding) + let subLineEnd = Math.max( + this.column + padding, + this.endColumn + padding + ) + let subLine = line.slice(subLineStart, subLineEnd) + + let spacing = + aside(gutter.replace(/\d/g, ' ')) + + line + .slice(0, Math.min(this.column - 1, padding - 1)) + .replace(/[^\t]/g, ' ') + + return ( + mark('>') + + aside(gutter) + + highlight(subLine) + + '\n ' + + spacing + + mark('^') + ) + } + + let spacing = + aside(gutter.replace(/\d/g, ' ')) + + line.slice(0, this.column - 1).replace(/[^\t]/g, ' ') + + return ( + mark('>') + + aside(gutter) + + highlight(line) + + '\n ' + + spacing + + mark('^') + ) + } + + return ' ' + aside(gutter) + highlight(line) + }) + .join('\n') + } + + toString() { + let code = this.showSourceCode() + if (code) { + code = '\n\n' + code + '\n' + } + return this.name + ': ' + this.message + code + } +} + +module.exports = CssSyntaxError +CssSyntaxError.default = CssSyntaxError diff --git a/node_modules/postcss/lib/declaration.d.ts b/node_modules/postcss/lib/declaration.d.ts new file mode 100644 index 0000000..d489b42 --- /dev/null +++ b/node_modules/postcss/lib/declaration.d.ts @@ -0,0 +1,151 @@ +import { ContainerWithChildren } from './container.js' +import Node from './node.js' + +declare namespace Declaration { + export interface DeclarationRaws extends Record { + /** + * The space symbols before the node. It also stores `*` + * and `_` symbols before the declaration (IE hack). + */ + before?: string + + /** + * The symbols between the property and value for declarations. + */ + between?: string + + /** + * The content of the important statement, if it is not just `!important`. + */ + important?: string + + /** + * Declaration value with comments. + */ + value?: { + raw: string + value: string + } + } + + export interface DeclarationProps { + /** Whether the declaration has an `!important` annotation. */ + important?: boolean + /** Name of the declaration. */ + prop: string + /** Information used to generate byte-to-byte equal node string as it was in the origin input. */ + raws?: DeclarationRaws + /** Value of the declaration. */ + value: string + } + + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { Declaration_ as default } +} + +/** + * It represents a class that handles + * [CSS declarations](https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax#css_declarations) + * + * ```js + * Once (root, { Declaration }) { + * const color = new Declaration({ prop: 'color', value: 'black' }) + * root.append(color) + * } + * ``` + * + * ```js + * const root = postcss.parse('a { color: black }') + * const decl = root.first?.first + * + * decl.type //=> 'decl' + * decl.toString() //=> ' color: black' + * ``` + */ +declare class Declaration_ extends Node { + parent: ContainerWithChildren | undefined + raws: Declaration.DeclarationRaws + + type: 'decl' + + /** + * It represents a specificity of the declaration. + * + * If true, the CSS declaration will have an + * [important](https://developer.mozilla.org/en-US/docs/Web/CSS/important) + * specifier. + * + * ```js + * const root = postcss.parse('a { color: black !important; color: red }') + * + * root.first.first.important //=> true + * root.first.last.important //=> undefined + * ``` + */ + get important(): boolean + set important(value: boolean) + + /** + * The property name for a CSS declaration. + * + * ```js + * const root = postcss.parse('a { color: black }') + * const decl = root.first.first + * + * decl.prop //=> 'color' + * ``` + */ + get prop(): string + + set prop(value: string) + + /** + * The property value for a CSS declaration. + * + * Any CSS comments inside the value string will be filtered out. + * CSS comments present in the source value will be available in + * the `raws` property. + * + * Assigning new `value` would ignore the comments in `raws` + * property while compiling node to string. + * + * ```js + * const root = postcss.parse('a { color: black }') + * const decl = root.first.first + * + * decl.value //=> 'black' + * ``` + */ + get value(): string + set value(value: string) + + /** + * It represents a getter that returns `true` if a declaration starts with + * `--` or `$`, which are used to declare variables in CSS and SASS/SCSS. + * + * ```js + * const root = postcss.parse(':root { --one: 1 }') + * const one = root.first.first + * + * one.variable //=> true + * ``` + * + * ```js + * const root = postcss.parse('$one: 1') + * const one = root.first + * + * one.variable //=> true + * ``` + */ + get variable(): boolean + constructor(defaults?: Declaration.DeclarationProps) + + assign(overrides: Declaration.DeclarationProps | object): this + clone(overrides?: Partial): this + cloneAfter(overrides?: Partial): this + cloneBefore(overrides?: Partial): this +} + +declare class Declaration extends Declaration_ {} + +export = Declaration diff --git a/node_modules/postcss/lib/declaration.js b/node_modules/postcss/lib/declaration.js new file mode 100644 index 0000000..65a03aa --- /dev/null +++ b/node_modules/postcss/lib/declaration.js @@ -0,0 +1,24 @@ +'use strict' + +let Node = require('./node') + +class Declaration extends Node { + get variable() { + return this.prop.startsWith('--') || this.prop[0] === '$' + } + + constructor(defaults) { + if ( + defaults && + typeof defaults.value !== 'undefined' && + typeof defaults.value !== 'string' + ) { + defaults = { ...defaults, value: String(defaults.value) } + } + super(defaults) + this.type = 'decl' + } +} + +module.exports = Declaration +Declaration.default = Declaration diff --git a/node_modules/postcss/lib/document.d.ts b/node_modules/postcss/lib/document.d.ts new file mode 100644 index 0000000..f9e8063 --- /dev/null +++ b/node_modules/postcss/lib/document.d.ts @@ -0,0 +1,69 @@ +import Container, { ContainerProps } from './container.js' +import { ProcessOptions } from './postcss.js' +import Result from './result.js' +import Root from './root.js' + +declare namespace Document { + export interface DocumentProps extends ContainerProps { + nodes?: readonly Root[] + + /** + * Information to generate byte-to-byte equal node string as it was + * in the origin input. + * + * Every parser saves its own properties. + */ + raws?: Record + } + + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { Document_ as default } +} + +/** + * Represents a file and contains all its parsed nodes. + * + * **Experimental:** some aspects of this node could change within minor + * or patch version releases. + * + * ```js + * const document = htmlParser( + * '' + * ) + * document.type //=> 'document' + * document.nodes.length //=> 2 + * ``` + */ +declare class Document_ extends Container { + nodes: Root[] + parent: undefined + type: 'document' + + constructor(defaults?: Document.DocumentProps) + + assign(overrides: Document.DocumentProps | object): this + clone(overrides?: Partial): this + cloneAfter(overrides?: Partial): this + cloneBefore(overrides?: Partial): this + + /** + * Returns a `Result` instance representing the document’s CSS roots. + * + * ```js + * const root1 = postcss.parse(css1, { from: 'a.css' }) + * const root2 = postcss.parse(css2, { from: 'b.css' }) + * const document = postcss.document() + * document.append(root1) + * document.append(root2) + * const result = document.toResult({ to: 'all.css', map: true }) + * ``` + * + * @param opts Options. + * @return Result with current document’s CSS. + */ + toResult(options?: ProcessOptions): Result +} + +declare class Document extends Document_ {} + +export = Document diff --git a/node_modules/postcss/lib/document.js b/node_modules/postcss/lib/document.js new file mode 100644 index 0000000..4468991 --- /dev/null +++ b/node_modules/postcss/lib/document.js @@ -0,0 +1,33 @@ +'use strict' + +let Container = require('./container') + +let LazyResult, Processor + +class Document extends Container { + constructor(defaults) { + // type needs to be passed to super, otherwise child roots won't be normalized correctly + super({ type: 'document', ...defaults }) + + if (!this.nodes) { + this.nodes = [] + } + } + + toResult(opts = {}) { + let lazy = new LazyResult(new Processor(), this, opts) + + return lazy.stringify() + } +} + +Document.registerLazyResult = dependant => { + LazyResult = dependant +} + +Document.registerProcessor = dependant => { + Processor = dependant +} + +module.exports = Document +Document.default = Document diff --git a/node_modules/postcss/lib/fromJSON.d.ts b/node_modules/postcss/lib/fromJSON.d.ts new file mode 100644 index 0000000..e1deedb --- /dev/null +++ b/node_modules/postcss/lib/fromJSON.d.ts @@ -0,0 +1,9 @@ +import { JSONHydrator } from './postcss.js' + +interface FromJSON extends JSONHydrator { + default: FromJSON +} + +declare const fromJSON: FromJSON + +export = fromJSON diff --git a/node_modules/postcss/lib/fromJSON.js b/node_modules/postcss/lib/fromJSON.js new file mode 100644 index 0000000..c9ac1a8 --- /dev/null +++ b/node_modules/postcss/lib/fromJSON.js @@ -0,0 +1,54 @@ +'use strict' + +let AtRule = require('./at-rule') +let Comment = require('./comment') +let Declaration = require('./declaration') +let Input = require('./input') +let PreviousMap = require('./previous-map') +let Root = require('./root') +let Rule = require('./rule') + +function fromJSON(json, inputs) { + if (Array.isArray(json)) return json.map(n => fromJSON(n)) + + let { inputs: ownInputs, ...defaults } = json + if (ownInputs) { + inputs = [] + for (let input of ownInputs) { + let inputHydrated = { ...input, __proto__: Input.prototype } + if (inputHydrated.map) { + inputHydrated.map = { + ...inputHydrated.map, + __proto__: PreviousMap.prototype + } + } + inputs.push(inputHydrated) + } + } + if (defaults.nodes) { + defaults.nodes = json.nodes.map(n => fromJSON(n, inputs)) + } + if (defaults.source) { + let { inputId, ...source } = defaults.source + defaults.source = source + if (inputId != null) { + defaults.source.input = inputs[inputId] + } + } + if (defaults.type === 'root') { + return new Root(defaults) + } else if (defaults.type === 'decl') { + return new Declaration(defaults) + } else if (defaults.type === 'rule') { + return new Rule(defaults) + } else if (defaults.type === 'comment') { + return new Comment(defaults) + } else if (defaults.type === 'atrule') { + return new AtRule(defaults) + } else { + throw new Error('Unknown node type: ' + json.type) + } +} + +module.exports = fromJSON +fromJSON.default = fromJSON diff --git a/node_modules/postcss/lib/input.d.ts b/node_modules/postcss/lib/input.d.ts new file mode 100644 index 0000000..3207da3 --- /dev/null +++ b/node_modules/postcss/lib/input.d.ts @@ -0,0 +1,227 @@ +import { CssSyntaxError, ProcessOptions } from './postcss.js' +import PreviousMap from './previous-map.js' + +declare namespace Input { + export interface FilePosition { + /** + * Column of inclusive start position in source file. + */ + column: number + + /** + * Column of exclusive end position in source file. + */ + endColumn?: number + + /** + * Line of exclusive end position in source file. + */ + endLine?: number + + /** + * Offset of exclusive end position in source file. + */ + endOffset?: number + + /** + * Absolute path to the source file. + */ + file?: string + + /** + * Line of inclusive start position in source file. + */ + line: number + + /** + * Offset of inclusive start position in source file. + */ + offset: number + + /** + * Source code. + */ + source?: string + + /** + * URL for the source file. + */ + url: string + } + + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { Input_ as default } +} + +/** + * Represents the source CSS. + * + * ```js + * const root = postcss.parse(css, { from: file }) + * const input = root.source.input + * ``` + */ +declare class Input_ { + /** + * Input CSS source. + * + * ```js + * const input = postcss.parse('a{}', { from: file }).input + * input.css //=> "a{}" + * ``` + */ + css: string + + /** + * Input source with support for non-CSS documents. + * + * ```js + * const input = postcss.parse('a{}', { from: file, document: '' }).input + * input.document //=> "" + * input.css //=> "a{}" + * ``` + */ + document: string + + /** + * The absolute path to the CSS source file defined + * with the `from` option. + * + * ```js + * const root = postcss.parse(css, { from: 'a.css' }) + * root.source.input.file //=> '/home/ai/a.css' + * ``` + */ + file?: string + + /** + * The flag to indicate whether or not the source code has Unicode BOM. + */ + hasBOM: boolean + + /** + * The unique ID of the CSS source. It will be created if `from` option + * is not provided (because PostCSS does not know the file path). + * + * ```js + * const root = postcss.parse(css) + * root.source.input.file //=> undefined + * root.source.input.id //=> "" + * ``` + */ + id?: string + + /** + * The input source map passed from a compilation step before PostCSS + * (for example, from Sass compiler). + * + * ```js + * root.source.input.map.consumer().sources //=> ['a.sass'] + * ``` + */ + map: PreviousMap + + /** + * The CSS source identifier. Contains `Input#file` if the user + * set the `from` option, or `Input#id` if they did not. + * + * ```js + * const root = postcss.parse(css, { from: 'a.css' }) + * root.source.input.from //=> "/home/ai/a.css" + * + * const root = postcss.parse(css) + * root.source.input.from //=> "" + * ``` + */ + get from(): string + + /** + * @param css Input CSS source. + * @param opts Process options. + */ + constructor(css: string, opts?: ProcessOptions) + + /** + * Returns `CssSyntaxError` with information about the error and its position. + */ + error( + message: string, + start: + | { + column: number + line: number + } + | { + offset: number + }, + end: + | { + column: number + line: number + } + | { + offset: number + }, + opts?: { plugin?: CssSyntaxError['plugin'] } + ): CssSyntaxError + error( + message: string, + line: number, + column: number, + opts?: { plugin?: CssSyntaxError['plugin'] } + ): CssSyntaxError + error( + message: string, + offset: number, + opts?: { plugin?: CssSyntaxError['plugin'] } + ): CssSyntaxError + + /** + * Converts source line and column to offset. + * + * @param line Source line. + * @param column Source column. + * @return Source offset. + */ + fromLineAndColumn(line: number, column: number): number + + /** + * Converts source offset to line and column. + * + * @param offset Source offset. + */ + fromOffset(offset: number): { col: number; line: number } | null + + /** + * Reads the input source map and returns a symbol position + * in the input source (e.g., in a Sass file that was compiled + * to CSS before being passed to PostCSS). Optionally takes an + * end position, exclusive. + * + * ```js + * root.source.input.origin(1, 1) //=> { file: 'a.css', line: 3, column: 1 } + * root.source.input.origin(1, 1, 1, 4) + * //=> { file: 'a.css', line: 3, column: 1, endLine: 3, endColumn: 4 } + * ``` + * + * @param line Line for inclusive start position in input CSS. + * @param column Column for inclusive start position in input CSS. + * @param endLine Line for exclusive end position in input CSS. + * @param endColumn Column for exclusive end position in input CSS. + * + * @return Position in input source. + */ + origin( + line: number, + column: number, + endLine?: number, + endColumn?: number + ): false | Input.FilePosition + + /** Converts this to a JSON-friendly object representation. */ + toJSON(): object +} + +declare class Input extends Input_ {} + +export = Input diff --git a/node_modules/postcss/lib/input.js b/node_modules/postcss/lib/input.js new file mode 100644 index 0000000..bb0ccf5 --- /dev/null +++ b/node_modules/postcss/lib/input.js @@ -0,0 +1,265 @@ +'use strict' + +let { nanoid } = require('nanoid/non-secure') +let { isAbsolute, resolve } = require('path') +let { SourceMapConsumer, SourceMapGenerator } = require('source-map-js') +let { fileURLToPath, pathToFileURL } = require('url') + +let CssSyntaxError = require('./css-syntax-error') +let PreviousMap = require('./previous-map') +let terminalHighlight = require('./terminal-highlight') + +let lineToIndexCache = Symbol('lineToIndexCache') + +let sourceMapAvailable = Boolean(SourceMapConsumer && SourceMapGenerator) +let pathAvailable = Boolean(resolve && isAbsolute) + +function getLineToIndex(input) { + if (input[lineToIndexCache]) return input[lineToIndexCache] + let lines = input.css.split('\n') + let lineToIndex = new Array(lines.length) + let prevIndex = 0 + + for (let i = 0, l = lines.length; i < l; i++) { + lineToIndex[i] = prevIndex + prevIndex += lines[i].length + 1 + } + + input[lineToIndexCache] = lineToIndex + return lineToIndex +} + +class Input { + get from() { + return this.file || this.id + } + + constructor(css, opts = {}) { + if ( + css === null || + typeof css === 'undefined' || + (typeof css === 'object' && !css.toString) + ) { + throw new Error(`PostCSS received ${css} instead of CSS string`) + } + + this.css = css.toString() + + if (this.css[0] === '\uFEFF' || this.css[0] === '\uFFFE') { + this.hasBOM = true + this.css = this.css.slice(1) + } else { + this.hasBOM = false + } + + this.document = this.css + if (opts.document) this.document = opts.document.toString() + + if (opts.from) { + if ( + !pathAvailable || + /^\w+:\/\//.test(opts.from) || + isAbsolute(opts.from) + ) { + this.file = opts.from + } else { + this.file = resolve(opts.from) + } + } + + if (pathAvailable && sourceMapAvailable) { + let map = new PreviousMap(this.css, opts) + if (map.text) { + this.map = map + let file = map.consumer().file + if (!this.file && file) this.file = this.mapResolve(file) + } + } + + if (!this.file) { + this.id = '' + } + if (this.map) this.map.file = this.from + } + + error(message, line, column, opts = {}) { + let endColumn, endLine, endOffset, offset, result + + if (line && typeof line === 'object') { + let start = line + let end = column + if (typeof start.offset === 'number') { + offset = start.offset + let pos = this.fromOffset(offset) + line = pos.line + column = pos.col + } else { + line = start.line + column = start.column + offset = this.fromLineAndColumn(line, column) + } + if (typeof end.offset === 'number') { + endOffset = end.offset + let pos = this.fromOffset(endOffset) + endLine = pos.line + endColumn = pos.col + } else { + endLine = end.line + endColumn = end.column + endOffset = this.fromLineAndColumn(end.line, end.column) + } + } else if (!column) { + offset = line + let pos = this.fromOffset(offset) + line = pos.line + column = pos.col + } else { + offset = this.fromLineAndColumn(line, column) + } + + let origin = this.origin(line, column, endLine, endColumn) + if (origin) { + result = new CssSyntaxError( + message, + origin.endLine === undefined + ? origin.line + : { column: origin.column, line: origin.line }, + origin.endLine === undefined + ? origin.column + : { column: origin.endColumn, line: origin.endLine }, + origin.source, + origin.file, + opts.plugin + ) + } else { + result = new CssSyntaxError( + message, + endLine === undefined ? line : { column, line }, + endLine === undefined ? column : { column: endColumn, line: endLine }, + this.css, + this.file, + opts.plugin + ) + } + + result.input = { column, endColumn, endLine, endOffset, line, offset, source: this.css } + if (this.file) { + if (pathToFileURL) { + result.input.url = pathToFileURL(this.file).toString() + } + result.input.file = this.file + } + + return result + } + + fromLineAndColumn(line, column) { + let lineToIndex = getLineToIndex(this) + let index = lineToIndex[line - 1] + return index + column - 1 + } + + fromOffset(offset) { + let lineToIndex = getLineToIndex(this) + let lastLine = lineToIndex[lineToIndex.length - 1] + + let min = 0 + if (offset >= lastLine) { + min = lineToIndex.length - 1 + } else { + let max = lineToIndex.length - 2 + let mid + while (min < max) { + mid = min + ((max - min) >> 1) + if (offset < lineToIndex[mid]) { + max = mid - 1 + } else if (offset >= lineToIndex[mid + 1]) { + min = mid + 1 + } else { + min = mid + break + } + } + } + return { + col: offset - lineToIndex[min] + 1, + line: min + 1 + } + } + + mapResolve(file) { + if (/^\w+:\/\//.test(file)) { + return file + } + return resolve(this.map.consumer().sourceRoot || this.map.root || '.', file) + } + + origin(line, column, endLine, endColumn) { + if (!this.map) return false + let consumer = this.map.consumer() + + let from = consumer.originalPositionFor({ column, line }) + if (!from.source) return false + + let to + if (typeof endLine === 'number') { + to = consumer.originalPositionFor({ column: endColumn, line: endLine }) + } + + let fromUrl + + if (isAbsolute(from.source)) { + fromUrl = pathToFileURL(from.source) + } else { + fromUrl = new URL( + from.source, + this.map.consumer().sourceRoot || pathToFileURL(this.map.mapFile) + ) + } + + let result = { + column: from.column, + endColumn: to && to.column, + endLine: to && to.line, + line: from.line, + url: fromUrl.toString() + } + + if (fromUrl.protocol === 'file:') { + if (fileURLToPath) { + result.file = fileURLToPath(fromUrl) + } else { + /* c8 ignore next 2 */ + throw new Error(`file: protocol is not available in this PostCSS build`) + } + } + + let source = consumer.sourceContentFor(from.source) + if (source) result.source = source + + return result + } + + toJSON() { + let json = {} + for (let name of ['hasBOM', 'css', 'file', 'id']) { + if (this[name] != null) { + json[name] = this[name] + } + } + if (this.map) { + json.map = { ...this.map } + if (json.map.consumerCache) { + json.map.consumerCache = undefined + } + } + return json + } +} + +module.exports = Input +Input.default = Input + +if (terminalHighlight && terminalHighlight.registerInput) { + terminalHighlight.registerInput(Input) +} diff --git a/node_modules/postcss/lib/lazy-result.d.ts b/node_modules/postcss/lib/lazy-result.d.ts new file mode 100644 index 0000000..2eb7279 --- /dev/null +++ b/node_modules/postcss/lib/lazy-result.d.ts @@ -0,0 +1,190 @@ +import Document from './document.js' +import { SourceMap } from './postcss.js' +import Processor from './processor.js' +import Result, { Message, ResultOptions } from './result.js' +import Root from './root.js' +import Warning from './warning.js' + +declare namespace LazyResult { + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { LazyResult_ as default } +} + +/** + * A Promise proxy for the result of PostCSS transformations. + * + * A `LazyResult` instance is returned by `Processor#process`. + * + * ```js + * const lazy = postcss([autoprefixer]).process(css) + * ``` + */ +declare class LazyResult_ + implements PromiseLike> +{ + /** + * Processes input CSS through synchronous and asynchronous plugins + * and calls onRejected for each error thrown in any plugin. + * + * It implements standard Promise API. + * + * ```js + * postcss([autoprefixer]).process(css).then(result => { + * console.log(result.css) + * }).catch(error => { + * console.error(error) + * }) + * ``` + */ + catch: Promise>['catch'] + + /** + * Processes input CSS through synchronous and asynchronous plugins + * and calls onFinally on any error or when all plugins will finish work. + * + * It implements standard Promise API. + * + * ```js + * postcss([autoprefixer]).process(css).finally(() => { + * console.log('processing ended') + * }) + * ``` + */ + finally: Promise>['finally'] + + /** + * Processes input CSS through synchronous and asynchronous plugins + * and calls `onFulfilled` with a Result instance. If a plugin throws + * an error, the `onRejected` callback will be executed. + * + * It implements standard Promise API. + * + * ```js + * postcss([autoprefixer]).process(css, { from: cssPath }).then(result => { + * console.log(result.css) + * }) + * ``` + */ + then: Promise>['then'] + + /** + * An alias for the `css` property. Use it with syntaxes + * that generate non-CSS output. + * + * This property will only work with synchronous plugins. + * If the processor contains any asynchronous plugins + * it will throw an error. + * + * PostCSS runners should always use `LazyResult#then`. + */ + get content(): string + + /** + * Processes input CSS through synchronous plugins, converts `Root` + * to a CSS string and returns `Result#css`. + * + * This property will only work with synchronous plugins. + * If the processor contains any asynchronous plugins + * it will throw an error. + * + * PostCSS runners should always use `LazyResult#then`. + */ + get css(): string + + /** + * Processes input CSS through synchronous plugins + * and returns `Result#map`. + * + * This property will only work with synchronous plugins. + * If the processor contains any asynchronous plugins + * it will throw an error. + * + * PostCSS runners should always use `LazyResult#then`. + */ + get map(): SourceMap + + /** + * Processes input CSS through synchronous plugins + * and returns `Result#messages`. + * + * This property will only work with synchronous plugins. If the processor + * contains any asynchronous plugins it will throw an error. + * + * PostCSS runners should always use `LazyResult#then`. + */ + get messages(): Message[] + + /** + * Options from the `Processor#process` call. + */ + get opts(): ResultOptions + + /** + * Returns a `Processor` instance, which will be used + * for CSS transformations. + */ + get processor(): Processor + + /** + * Processes input CSS through synchronous plugins + * and returns `Result#root`. + * + * This property will only work with synchronous plugins. If the processor + * contains any asynchronous plugins it will throw an error. + * + * PostCSS runners should always use `LazyResult#then`. + */ + get root(): RootNode + + /** + * Returns the default string description of an object. + * Required to implement the Promise interface. + */ + get [Symbol.toStringTag](): string + + /** + * @param processor Processor used for this transformation. + * @param css CSS to parse and transform. + * @param opts Options from the `Processor#process` or `Root#toResult`. + */ + constructor(processor: Processor, css: string, opts: ResultOptions) + + /** + * Run plugin in async way and return `Result`. + * + * @return Result with output content. + */ + async(): Promise> + + /** + * Run plugin in sync way and return `Result`. + * + * @return Result with output content. + */ + sync(): Result + + /** + * Alias for the `LazyResult#css` property. + * + * ```js + * lazy + '' === lazy.css + * ``` + * + * @return Output CSS. + */ + toString(): string + + /** + * Processes input CSS through synchronous plugins + * and calls `Result#warnings`. + * + * @return Warnings from plugins. + */ + warnings(): Warning[] +} + +declare class LazyResult< + RootNode = Document | Root +> extends LazyResult_ {} + +export = LazyResult diff --git a/node_modules/postcss/lib/lazy-result.js b/node_modules/postcss/lib/lazy-result.js new file mode 100644 index 0000000..1ea52b8 --- /dev/null +++ b/node_modules/postcss/lib/lazy-result.js @@ -0,0 +1,550 @@ +'use strict' + +let Container = require('./container') +let Document = require('./document') +let MapGenerator = require('./map-generator') +let parse = require('./parse') +let Result = require('./result') +let Root = require('./root') +let stringify = require('./stringify') +let { isClean, my } = require('./symbols') +let warnOnce = require('./warn-once') + +const TYPE_TO_CLASS_NAME = { + atrule: 'AtRule', + comment: 'Comment', + decl: 'Declaration', + document: 'Document', + root: 'Root', + rule: 'Rule' +} + +const PLUGIN_PROPS = { + AtRule: true, + AtRuleExit: true, + Comment: true, + CommentExit: true, + Declaration: true, + DeclarationExit: true, + Document: true, + DocumentExit: true, + Once: true, + OnceExit: true, + postcssPlugin: true, + prepare: true, + Root: true, + RootExit: true, + Rule: true, + RuleExit: true +} + +const NOT_VISITORS = { + Once: true, + postcssPlugin: true, + prepare: true +} + +const CHILDREN = 0 + +function isPromise(obj) { + return typeof obj === 'object' && typeof obj.then === 'function' +} + +function getEvents(node) { + let key = false + let type = TYPE_TO_CLASS_NAME[node.type] + if (node.type === 'decl') { + key = node.prop.toLowerCase() + } else if (node.type === 'atrule') { + key = node.name.toLowerCase() + } + + if (key && node.append) { + return [ + type, + type + '-' + key, + CHILDREN, + type + 'Exit', + type + 'Exit-' + key + ] + } else if (key) { + return [type, type + '-' + key, type + 'Exit', type + 'Exit-' + key] + } else if (node.append) { + return [type, CHILDREN, type + 'Exit'] + } else { + return [type, type + 'Exit'] + } +} + +function toStack(node) { + let events + if (node.type === 'document') { + events = ['Document', CHILDREN, 'DocumentExit'] + } else if (node.type === 'root') { + events = ['Root', CHILDREN, 'RootExit'] + } else { + events = getEvents(node) + } + + return { + eventIndex: 0, + events, + iterator: 0, + node, + visitorIndex: 0, + visitors: [] + } +} + +function cleanMarks(node) { + node[isClean] = false + if (node.nodes) node.nodes.forEach(i => cleanMarks(i)) + return node +} + +let postcss = {} + +class LazyResult { + get content() { + return this.stringify().content + } + + get css() { + return this.stringify().css + } + + get map() { + return this.stringify().map + } + + get messages() { + return this.sync().messages + } + + get opts() { + return this.result.opts + } + + get processor() { + return this.result.processor + } + + get root() { + return this.sync().root + } + + get [Symbol.toStringTag]() { + return 'LazyResult' + } + + constructor(processor, css, opts) { + this.stringified = false + this.processed = false + + let root + if ( + typeof css === 'object' && + css !== null && + (css.type === 'root' || css.type === 'document') + ) { + root = cleanMarks(css) + } else if (css instanceof LazyResult || css instanceof Result) { + root = cleanMarks(css.root) + if (css.map) { + if (typeof opts.map === 'undefined') opts.map = {} + if (!opts.map.inline) opts.map.inline = false + opts.map.prev = css.map + } + } else { + let parser = parse + if (opts.syntax) parser = opts.syntax.parse + if (opts.parser) parser = opts.parser + if (parser.parse) parser = parser.parse + + try { + root = parser(css, opts) + } catch (error) { + this.processed = true + this.error = error + } + + if (root && !root[my]) { + /* c8 ignore next 2 */ + Container.rebuild(root) + } + } + + this.result = new Result(processor, root, opts) + this.helpers = { ...postcss, postcss, result: this.result } + this.plugins = this.processor.plugins.map(plugin => { + if (typeof plugin === 'object' && plugin.prepare) { + return { ...plugin, ...plugin.prepare(this.result) } + } else { + return plugin + } + }) + } + + async() { + if (this.error) return Promise.reject(this.error) + if (this.processed) return Promise.resolve(this.result) + if (!this.processing) { + this.processing = this.runAsync() + } + return this.processing + } + + catch(onRejected) { + return this.async().catch(onRejected) + } + + finally(onFinally) { + return this.async().then(onFinally, onFinally) + } + + getAsyncError() { + throw new Error('Use process(css).then(cb) to work with async plugins') + } + + handleError(error, node) { + let plugin = this.result.lastPlugin + try { + if (node) node.addToError(error) + this.error = error + if (error.name === 'CssSyntaxError' && !error.plugin) { + error.plugin = plugin.postcssPlugin + error.setMessage() + } else if (plugin.postcssVersion) { + if (process.env.NODE_ENV !== 'production') { + let pluginName = plugin.postcssPlugin + let pluginVer = plugin.postcssVersion + let runtimeVer = this.result.processor.version + let a = pluginVer.split('.') + let b = runtimeVer.split('.') + + if (a[0] !== b[0] || parseInt(a[1]) > parseInt(b[1])) { + // eslint-disable-next-line no-console + console.error( + 'Unknown error from PostCSS plugin. Your current PostCSS ' + + 'version is ' + + runtimeVer + + ', but ' + + pluginName + + ' uses ' + + pluginVer + + '. Perhaps this is the source of the error below.' + ) + } + } + } + } catch (err) { + /* c8 ignore next 3 */ + // eslint-disable-next-line no-console + if (console && console.error) console.error(err) + } + return error + } + + prepareVisitors() { + this.listeners = {} + let add = (plugin, type, cb) => { + if (!this.listeners[type]) this.listeners[type] = [] + this.listeners[type].push([plugin, cb]) + } + for (let plugin of this.plugins) { + if (typeof plugin === 'object') { + for (let event in plugin) { + if (!PLUGIN_PROPS[event] && /^[A-Z]/.test(event)) { + throw new Error( + `Unknown event ${event} in ${plugin.postcssPlugin}. ` + + `Try to update PostCSS (${this.processor.version} now).` + ) + } + if (!NOT_VISITORS[event]) { + if (typeof plugin[event] === 'object') { + for (let filter in plugin[event]) { + if (filter === '*') { + add(plugin, event, plugin[event][filter]) + } else { + add( + plugin, + event + '-' + filter.toLowerCase(), + plugin[event][filter] + ) + } + } + } else if (typeof plugin[event] === 'function') { + add(plugin, event, plugin[event]) + } + } + } + } + } + this.hasListener = Object.keys(this.listeners).length > 0 + } + + async runAsync() { + this.plugin = 0 + for (let i = 0; i < this.plugins.length; i++) { + let plugin = this.plugins[i] + let promise = this.runOnRoot(plugin) + if (isPromise(promise)) { + try { + await promise + } catch (error) { + throw this.handleError(error) + } + } + } + + this.prepareVisitors() + if (this.hasListener) { + let root = this.result.root + while (!root[isClean]) { + root[isClean] = true + let stack = [toStack(root)] + while (stack.length > 0) { + let promise = this.visitTick(stack) + if (isPromise(promise)) { + try { + await promise + } catch (e) { + let node = stack[stack.length - 1].node + throw this.handleError(e, node) + } + } + } + } + + if (this.listeners.OnceExit) { + for (let [plugin, visitor] of this.listeners.OnceExit) { + this.result.lastPlugin = plugin + try { + if (root.type === 'document') { + let roots = root.nodes.map(subRoot => + visitor(subRoot, this.helpers) + ) + + await Promise.all(roots) + } else { + await visitor(root, this.helpers) + } + } catch (e) { + throw this.handleError(e) + } + } + } + } + + this.processed = true + return this.stringify() + } + + runOnRoot(plugin) { + this.result.lastPlugin = plugin + try { + if (typeof plugin === 'object' && plugin.Once) { + if (this.result.root.type === 'document') { + let roots = this.result.root.nodes.map(root => + plugin.Once(root, this.helpers) + ) + + if (isPromise(roots[0])) { + return Promise.all(roots) + } + + return roots + } + + return plugin.Once(this.result.root, this.helpers) + } else if (typeof plugin === 'function') { + return plugin(this.result.root, this.result) + } + } catch (error) { + throw this.handleError(error) + } + } + + stringify() { + if (this.error) throw this.error + if (this.stringified) return this.result + this.stringified = true + + this.sync() + + let opts = this.result.opts + let str = stringify + if (opts.syntax) str = opts.syntax.stringify + if (opts.stringifier) str = opts.stringifier + if (str.stringify) str = str.stringify + + let map = new MapGenerator(str, this.result.root, this.result.opts) + let data = map.generate() + this.result.css = data[0] + this.result.map = data[1] + + return this.result + } + + sync() { + if (this.error) throw this.error + if (this.processed) return this.result + this.processed = true + + if (this.processing) { + throw this.getAsyncError() + } + + for (let plugin of this.plugins) { + let promise = this.runOnRoot(plugin) + if (isPromise(promise)) { + throw this.getAsyncError() + } + } + + this.prepareVisitors() + if (this.hasListener) { + let root = this.result.root + while (!root[isClean]) { + root[isClean] = true + this.walkSync(root) + } + if (this.listeners.OnceExit) { + if (root.type === 'document') { + for (let subRoot of root.nodes) { + this.visitSync(this.listeners.OnceExit, subRoot) + } + } else { + this.visitSync(this.listeners.OnceExit, root) + } + } + } + + return this.result + } + + then(onFulfilled, onRejected) { + if (process.env.NODE_ENV !== 'production') { + if (!('from' in this.opts)) { + warnOnce( + 'Without `from` option PostCSS could generate wrong source map ' + + 'and will not find Browserslist config. Set it to CSS file path ' + + 'or to `undefined` to prevent this warning.' + ) + } + } + return this.async().then(onFulfilled, onRejected) + } + + toString() { + return this.css + } + + visitSync(visitors, node) { + for (let [plugin, visitor] of visitors) { + this.result.lastPlugin = plugin + let promise + try { + promise = visitor(node, this.helpers) + } catch (e) { + throw this.handleError(e, node.proxyOf) + } + if (node.type !== 'root' && node.type !== 'document' && !node.parent) { + return true + } + if (isPromise(promise)) { + throw this.getAsyncError() + } + } + } + + visitTick(stack) { + let visit = stack[stack.length - 1] + let { node, visitors } = visit + + if (node.type !== 'root' && node.type !== 'document' && !node.parent) { + stack.pop() + return + } + + if (visitors.length > 0 && visit.visitorIndex < visitors.length) { + let [plugin, visitor] = visitors[visit.visitorIndex] + visit.visitorIndex += 1 + if (visit.visitorIndex === visitors.length) { + visit.visitors = [] + visit.visitorIndex = 0 + } + this.result.lastPlugin = plugin + try { + return visitor(node.toProxy(), this.helpers) + } catch (e) { + throw this.handleError(e, node) + } + } + + if (visit.iterator !== 0) { + let iterator = visit.iterator + let child + while ((child = node.nodes[node.indexes[iterator]])) { + node.indexes[iterator] += 1 + if (!child[isClean]) { + child[isClean] = true + stack.push(toStack(child)) + return + } + } + visit.iterator = 0 + delete node.indexes[iterator] + } + + let events = visit.events + while (visit.eventIndex < events.length) { + let event = events[visit.eventIndex] + visit.eventIndex += 1 + if (event === CHILDREN) { + if (node.nodes && node.nodes.length) { + node[isClean] = true + visit.iterator = node.getIterator() + } + return + } else if (this.listeners[event]) { + visit.visitors = this.listeners[event] + return + } + } + stack.pop() + } + + walkSync(node) { + node[isClean] = true + let events = getEvents(node) + for (let event of events) { + if (event === CHILDREN) { + if (node.nodes) { + node.each(child => { + if (!child[isClean]) this.walkSync(child) + }) + } + } else { + let visitors = this.listeners[event] + if (visitors) { + if (this.visitSync(visitors, node.toProxy())) return + } + } + } + } + + warnings() { + return this.sync().warnings() + } +} + +LazyResult.registerPostcss = dependant => { + postcss = dependant +} + +module.exports = LazyResult +LazyResult.default = LazyResult + +Root.registerLazyResult(LazyResult) +Document.registerLazyResult(LazyResult) diff --git a/node_modules/postcss/lib/list.d.ts b/node_modules/postcss/lib/list.d.ts new file mode 100644 index 0000000..e262ad3 --- /dev/null +++ b/node_modules/postcss/lib/list.d.ts @@ -0,0 +1,60 @@ +declare namespace list { + type List = { + /** + * Safely splits comma-separated values (such as those for `transition-*` + * and `background` properties). + * + * ```js + * Once (root, { list }) { + * list.comma('black, linear-gradient(white, black)') + * //=> ['black', 'linear-gradient(white, black)'] + * } + * ``` + * + * @param str Comma-separated values. + * @return Split values. + */ + comma(str: string): string[] + + default: List + + /** + * Safely splits space-separated values (such as those for `background`, + * `border-radius`, and other shorthand properties). + * + * ```js + * Once (root, { list }) { + * list.space('1px calc(10% + 1px)') //=> ['1px', 'calc(10% + 1px)'] + * } + * ``` + * + * @param str Space-separated values. + * @return Split values. + */ + space(str: string): string[] + + /** + * Safely splits values. + * + * ```js + * Once (root, { list }) { + * list.split('1px calc(10% + 1px)', [' ', '\n', '\t']) //=> ['1px', 'calc(10% + 1px)'] + * } + * ``` + * + * @param string separated values. + * @param separators array of separators. + * @param last boolean indicator. + * @return Split values. + */ + split( + string: string, + separators: readonly string[], + last: boolean + ): string[] + } +} + +declare const list: list.List + +export = list diff --git a/node_modules/postcss/lib/list.js b/node_modules/postcss/lib/list.js new file mode 100644 index 0000000..1b31f98 --- /dev/null +++ b/node_modules/postcss/lib/list.js @@ -0,0 +1,58 @@ +'use strict' + +let list = { + comma(string) { + return list.split(string, [','], true) + }, + + space(string) { + let spaces = [' ', '\n', '\t'] + return list.split(string, spaces) + }, + + split(string, separators, last) { + let array = [] + let current = '' + let split = false + + let func = 0 + let inQuote = false + let prevQuote = '' + let escape = false + + for (let letter of string) { + if (escape) { + escape = false + } else if (letter === '\\') { + escape = true + } else if (inQuote) { + if (letter === prevQuote) { + inQuote = false + } + } else if (letter === '"' || letter === "'") { + inQuote = true + prevQuote = letter + } else if (letter === '(') { + func += 1 + } else if (letter === ')') { + if (func > 0) func -= 1 + } else if (func === 0) { + if (separators.includes(letter)) split = true + } + + if (split) { + if (current !== '') array.push(current.trim()) + current = '' + split = false + } else { + current += letter + } + } + + if (last || current !== '') array.push(current.trim()) + return array + } +} + +module.exports = list +list.default = list diff --git a/node_modules/postcss/lib/map-generator.js b/node_modules/postcss/lib/map-generator.js new file mode 100644 index 0000000..89069d3 --- /dev/null +++ b/node_modules/postcss/lib/map-generator.js @@ -0,0 +1,368 @@ +'use strict' + +let { dirname, relative, resolve, sep } = require('path') +let { SourceMapConsumer, SourceMapGenerator } = require('source-map-js') +let { pathToFileURL } = require('url') + +let Input = require('./input') + +let sourceMapAvailable = Boolean(SourceMapConsumer && SourceMapGenerator) +let pathAvailable = Boolean(dirname && resolve && relative && sep) + +class MapGenerator { + constructor(stringify, root, opts, cssString) { + this.stringify = stringify + this.mapOpts = opts.map || {} + this.root = root + this.opts = opts + this.css = cssString + this.originalCSS = cssString + this.usesFileUrls = !this.mapOpts.from && this.mapOpts.absolute + + this.memoizedFileURLs = new Map() + this.memoizedPaths = new Map() + this.memoizedURLs = new Map() + } + + addAnnotation() { + let content + + if (this.isInline()) { + content = + 'data:application/json;base64,' + this.toBase64(this.map.toString()) + } else if (typeof this.mapOpts.annotation === 'string') { + content = this.mapOpts.annotation + } else if (typeof this.mapOpts.annotation === 'function') { + content = this.mapOpts.annotation(this.opts.to, this.root) + } else { + content = this.outputFile() + '.map' + } + let eol = '\n' + if (this.css.includes('\r\n')) eol = '\r\n' + + this.css += eol + '/*# sourceMappingURL=' + content + ' */' + } + + applyPrevMaps() { + for (let prev of this.previous()) { + let from = this.toUrl(this.path(prev.file)) + let root = prev.root || dirname(prev.file) + let map + + if (this.mapOpts.sourcesContent === false) { + map = new SourceMapConsumer(prev.text) + if (map.sourcesContent) { + map.sourcesContent = null + } + } else { + map = prev.consumer() + } + + this.map.applySourceMap(map, from, this.toUrl(this.path(root))) + } + } + + clearAnnotation() { + if (this.mapOpts.annotation === false) return + + if (this.root) { + let node + for (let i = this.root.nodes.length - 1; i >= 0; i--) { + node = this.root.nodes[i] + if (node.type !== 'comment') continue + if (node.text.startsWith('# sourceMappingURL=')) { + this.root.removeChild(i) + } + } + } else if (this.css) { + this.css = this.css.replace(/\n*\/\*#[\S\s]*?\*\/$/gm, '') + } + } + + generate() { + this.clearAnnotation() + if (pathAvailable && sourceMapAvailable && this.isMap()) { + return this.generateMap() + } else { + let result = '' + this.stringify(this.root, i => { + result += i + }) + return [result] + } + } + + generateMap() { + if (this.root) { + this.generateString() + } else if (this.previous().length === 1) { + let prev = this.previous()[0].consumer() + prev.file = this.outputFile() + this.map = SourceMapGenerator.fromSourceMap(prev, { + ignoreInvalidMapping: true + }) + } else { + this.map = new SourceMapGenerator({ + file: this.outputFile(), + ignoreInvalidMapping: true + }) + this.map.addMapping({ + generated: { column: 0, line: 1 }, + original: { column: 0, line: 1 }, + source: this.opts.from + ? this.toUrl(this.path(this.opts.from)) + : '' + }) + } + + if (this.isSourcesContent()) this.setSourcesContent() + if (this.root && this.previous().length > 0) this.applyPrevMaps() + if (this.isAnnotation()) this.addAnnotation() + + if (this.isInline()) { + return [this.css] + } else { + return [this.css, this.map] + } + } + + generateString() { + this.css = '' + this.map = new SourceMapGenerator({ + file: this.outputFile(), + ignoreInvalidMapping: true + }) + + let line = 1 + let column = 1 + + let noSource = '' + let mapping = { + generated: { column: 0, line: 0 }, + original: { column: 0, line: 0 }, + source: '' + } + + let last, lines + this.stringify(this.root, (str, node, type) => { + this.css += str + + if (node && type !== 'end') { + mapping.generated.line = line + mapping.generated.column = column - 1 + if (node.source && node.source.start) { + mapping.source = this.sourcePath(node) + mapping.original.line = node.source.start.line + mapping.original.column = node.source.start.column - 1 + this.map.addMapping(mapping) + } else { + mapping.source = noSource + mapping.original.line = 1 + mapping.original.column = 0 + this.map.addMapping(mapping) + } + } + + lines = str.match(/\n/g) + if (lines) { + line += lines.length + last = str.lastIndexOf('\n') + column = str.length - last + } else { + column += str.length + } + + if (node && type !== 'start') { + let p = node.parent || { raws: {} } + let childless = + node.type === 'decl' || (node.type === 'atrule' && !node.nodes) + if (!childless || node !== p.last || p.raws.semicolon) { + if (node.source && node.source.end) { + mapping.source = this.sourcePath(node) + mapping.original.line = node.source.end.line + mapping.original.column = node.source.end.column - 1 + mapping.generated.line = line + mapping.generated.column = column - 2 + this.map.addMapping(mapping) + } else { + mapping.source = noSource + mapping.original.line = 1 + mapping.original.column = 0 + mapping.generated.line = line + mapping.generated.column = column - 1 + this.map.addMapping(mapping) + } + } + } + }) + } + + isAnnotation() { + if (this.isInline()) { + return true + } + if (typeof this.mapOpts.annotation !== 'undefined') { + return this.mapOpts.annotation + } + if (this.previous().length) { + return this.previous().some(i => i.annotation) + } + return true + } + + isInline() { + if (typeof this.mapOpts.inline !== 'undefined') { + return this.mapOpts.inline + } + + let annotation = this.mapOpts.annotation + if (typeof annotation !== 'undefined' && annotation !== true) { + return false + } + + if (this.previous().length) { + return this.previous().some(i => i.inline) + } + return true + } + + isMap() { + if (typeof this.opts.map !== 'undefined') { + return !!this.opts.map + } + return this.previous().length > 0 + } + + isSourcesContent() { + if (typeof this.mapOpts.sourcesContent !== 'undefined') { + return this.mapOpts.sourcesContent + } + if (this.previous().length) { + return this.previous().some(i => i.withContent()) + } + return true + } + + outputFile() { + if (this.opts.to) { + return this.path(this.opts.to) + } else if (this.opts.from) { + return this.path(this.opts.from) + } else { + return 'to.css' + } + } + + path(file) { + if (this.mapOpts.absolute) return file + if (file.charCodeAt(0) === 60 /* `<` */) return file + if (/^\w+:\/\//.test(file)) return file + let cached = this.memoizedPaths.get(file) + if (cached) return cached + + let from = this.opts.to ? dirname(this.opts.to) : '.' + + if (typeof this.mapOpts.annotation === 'string') { + from = dirname(resolve(from, this.mapOpts.annotation)) + } + + let path = relative(from, file) + this.memoizedPaths.set(file, path) + + return path + } + + previous() { + if (!this.previousMaps) { + this.previousMaps = [] + if (this.root) { + this.root.walk(node => { + if (node.source && node.source.input.map) { + let map = node.source.input.map + if (!this.previousMaps.includes(map)) { + this.previousMaps.push(map) + } + } + }) + } else { + let input = new Input(this.originalCSS, this.opts) + if (input.map) this.previousMaps.push(input.map) + } + } + + return this.previousMaps + } + + setSourcesContent() { + let already = {} + if (this.root) { + this.root.walk(node => { + if (node.source) { + let from = node.source.input.from + if (from && !already[from]) { + already[from] = true + let fromUrl = this.usesFileUrls + ? this.toFileUrl(from) + : this.toUrl(this.path(from)) + this.map.setSourceContent(fromUrl, node.source.input.css) + } + } + }) + } else if (this.css) { + let from = this.opts.from + ? this.toUrl(this.path(this.opts.from)) + : '' + this.map.setSourceContent(from, this.css) + } + } + + sourcePath(node) { + if (this.mapOpts.from) { + return this.toUrl(this.mapOpts.from) + } else if (this.usesFileUrls) { + return this.toFileUrl(node.source.input.from) + } else { + return this.toUrl(this.path(node.source.input.from)) + } + } + + toBase64(str) { + if (Buffer) { + return Buffer.from(str).toString('base64') + } else { + return window.btoa(unescape(encodeURIComponent(str))) + } + } + + toFileUrl(path) { + let cached = this.memoizedFileURLs.get(path) + if (cached) return cached + + if (pathToFileURL) { + let fileURL = pathToFileURL(path).toString() + this.memoizedFileURLs.set(path, fileURL) + + return fileURL + } else { + throw new Error( + '`map.absolute` option is not available in this PostCSS build' + ) + } + } + + toUrl(path) { + let cached = this.memoizedURLs.get(path) + if (cached) return cached + + if (sep === '\\') { + path = path.replace(/\\/g, '/') + } + + let url = encodeURI(path).replace(/[#?]/g, encodeURIComponent) + this.memoizedURLs.set(path, url) + + return url + } +} + +module.exports = MapGenerator diff --git a/node_modules/postcss/lib/no-work-result.d.ts b/node_modules/postcss/lib/no-work-result.d.ts new file mode 100644 index 0000000..094f30a --- /dev/null +++ b/node_modules/postcss/lib/no-work-result.d.ts @@ -0,0 +1,46 @@ +import LazyResult from './lazy-result.js' +import { SourceMap } from './postcss.js' +import Processor from './processor.js' +import Result, { Message, ResultOptions } from './result.js' +import Root from './root.js' +import Warning from './warning.js' + +declare namespace NoWorkResult { + // eslint-disable-next-line @typescript-eslint/no-use-before-define + export { NoWorkResult_ as default } +} + +/** + * A Promise proxy for the result of PostCSS transformations. + * This lazy result instance doesn't parse css unless `NoWorkResult#root` or `Result#root` + * are accessed. See the example below for details. + * A `NoWork` instance is returned by `Processor#process` ONLY when no plugins defined. + * + * ```js + * const noWorkResult = postcss().process(css) // No plugins are defined. + * // CSS is not parsed + * let root = noWorkResult.root // now css is parsed because we accessed the root + * ``` + */ +declare class NoWorkResult_ implements LazyResult { + catch: Promise>['catch'] + finally: Promise>['finally'] + then: Promise>['then'] + get content(): string + get css(): string + get map(): SourceMap + get messages(): Message[] + get opts(): ResultOptions + get processor(): Processor + get root(): Root + get [Symbol.toStringTag](): string + constructor(processor: Processor, css: string, opts: ResultOptions) + async(): Promise> + sync(): Result + toString(): string + warnings(): Warning[] +} + +declare class NoWorkResult extends NoWorkResult_ {} + +export = NoWorkResult diff --git a/node_modules/postcss/lib/no-work-result.js b/node_modules/postcss/lib/no-work-result.js new file mode 100644 index 0000000..dd46182 --- /dev/null +++ b/node_modules/postcss/lib/no-work-result.js @@ -0,0 +1,138 @@ +'use strict' + +let MapGenerator = require('./map-generator') +let parse = require('./parse') +const Result = require('./result') +let stringify = require('./stringify') +let warnOnce = require('./warn-once') + +class NoWorkResult { + get content() { + return this.result.css + } + + get css() { + return this.result.css + } + + get map() { + return this.result.map + } + + get messages() { + return [] + } + + get opts() { + return this.result.opts + } + + get processor() { + return this.result.processor + } + + get root() { + if (this._root) { + return this._root + } + + let root + let parser = parse + + try { + root = parser(this._css, this._opts) + } catch (error) { + this.error = error + } + + if (this.error) { + throw this.error + } else { + this._root = root + return root + } + } + + get [Symbol.toStringTag]() { + return 'NoWorkResult' + } + + constructor(processor, css, opts) { + css = css.toString() + this.stringified = false + + this._processor = processor + this._css = css + this._opts = opts + this._map = undefined + let root + + let str = stringify + this.result = new Result(this._processor, root, this._opts) + this.result.css = css + + let self = this + Object.defineProperty(this.result, 'root', { + get() { + return self.root + } + }) + + let map = new MapGenerator(str, root, this._opts, css) + if (map.isMap()) { + let [generatedCSS, generatedMap] = map.generate() + if (generatedCSS) { + this.result.css = generatedCSS + } + if (generatedMap) { + this.result.map = generatedMap + } + } else { + map.clearAnnotation() + this.result.css = map.css + } + } + + async() { + if (this.error) return Promise.reject(this.error) + return Promise.resolve(this.result) + } + + catch(onRejected) { + return this.async().catch(onRejected) + } + + finally(onFinally) { + return this.async().then(onFinally, onFinally) + } + + sync() { + if (this.error) throw this.error + return this.result + } + + then(onFulfilled, onRejected) { + if (process.env.NODE_ENV !== 'production') { + if (!('from' in this._opts)) { + warnOnce( + 'Without `from` option PostCSS could generate wrong source map ' + + 'and will not find Browserslist config. Set it to CSS file path ' + + 'or to `undefined` to prevent this warning.' + ) + } + } + + return this.async().then(onFulfilled, onRejected) + } + + toString() { + return this._css + } + + warnings() { + return [] + } +} + +module.exports = NoWorkResult +NoWorkResult.default = NoWorkResult diff --git a/node_modules/postcss/lib/node.d.ts b/node_modules/postcss/lib/node.d.ts new file mode 100644 index 0000000..a09fe4d --- /dev/null +++ b/node_modules/postcss/lib/node.d.ts @@ -0,0 +1,556 @@ +import AtRule = require('./at-rule.js') +import { AtRuleProps } from './at-rule.js' +import Comment, { CommentProps } from './comment.js' +import Container, { NewChild } from './container.js' +import CssSyntaxError from './css-syntax-error.js' +import Declaration, { DeclarationProps } from './declaration.js' +import Document from './document.js' +import Input from './input.js' +import { Stringifier, Syntax } from './postcss.js' +import Result from './result.js' +import Root from './root.js' +import Rule, { RuleProps } from './rule.js' +import Warning, { WarningOptions } from './warning.js' + +declare namespace Node { + export type ChildNode = AtRule.default | Comment | Declaration | Rule + + export type AnyNode = + | AtRule.default + | Comment + | Declaration + | Document + | Root + | Rule + + export type ChildProps = + | AtRuleProps + | CommentProps + | DeclarationProps + | RuleProps + + export interface Position { + /** + * Source line in file. In contrast to `offset` it starts from 1. + */ + column: number + + /** + * Source column in file. + */ + line: number + + /** + * Source offset in file. It starts from 0. + */ + offset: number + } + + export interface Range { + /** + * End position, exclusive. + */ + end: Position + + /** + * Start position, inclusive. + */ + start: Position + } + + /** + * Source represents an interface for the {@link Node.source} property. + */ + export interface Source { + /** + * The inclusive ending position for the source + * code of a node. + * + * However, `end.offset` of a non `Root` node is the exclusive position. + * See https://github.com/postcss/postcss/pull/1879 for details. + * + * ```js + * const root = postcss.parse('a { color: black }') + * const a = root.first + * const color = a.first + * + * // The offset of `Root` node is the inclusive position + * css.source.end // { line: 1, column: 19, offset: 18 } + * + * // The offset of non `Root` node is the exclusive position + * a.source.end // { line: 1, column: 18, offset: 18 } + * color.source.end // { line: 1, column: 16, offset: 16 } + * ``` + */ + end?: Position + + /** + * The source file from where a node has originated. + */ + input: Input + + /** + * The inclusive starting position for the source + * code of a node. + */ + start?: Position + } + + /** + * Interface represents an interface for an object received + * as parameter by Node class constructor. + */ + export interface NodeProps { + source?: Source + } + + export interface NodeErrorOptions { + /** + * An ending index inside a node's string that should be highlighted as + * source of error. + */ + endIndex?: number + /** + * An index inside a node's string that should be highlighted as source + * of error. + */ + index?: number + /** + * Plugin name that created this error. PostCSS will set it automatically. + */ + plugin?: string + /** + * A word inside a node's string, that should be highlighted as source + * of error. + */ + word?: string + } + + // eslint-disable-next-line @typescript-eslint/no-shadow + class Node extends Node_ {} + export { Node as default } +} + +/** + * It represents an abstract class that handles common + * methods for other CSS abstract syntax tree nodes. + * + * Any node that represents CSS selector or value should + * not extend the `Node` class. + */ +declare abstract class Node_ { + /** + * It represents parent of the current node. + * + * ```js + * root.nodes[0].parent === root //=> true + * ``` + */ + parent: Container | Document | undefined + + /** + * It represents unnecessary whitespace and characters present + * in the css source code. + * + * Information to generate byte-to-byte equal node string as it was + * in the origin input. + * + * The properties of the raws object are decided by parser, + * the default parser uses the following properties: + * + * * `before`: the space symbols before the node. It also stores `*` + * and `_` symbols before the declaration (IE hack). + * * `after`: the space symbols after the last child of the node + * to the end of the node. + * * `between`: the symbols between the property and value + * for declarations, selector and `{` for rules, or last parameter + * and `{` for at-rules. + * * `semicolon`: contains true if the last child has + * an (optional) semicolon. + * * `afterName`: the space between the at-rule name and its parameters. + * * `left`: the space symbols between `/*` and the comment’s text. + * * `right`: the space symbols between the comment’s text + * and */. + * - `important`: the content of the important statement, + * if it is not just `!important`. + * + * PostCSS filters out the comments inside selectors, declaration values + * and at-rule parameters but it stores the origin content in raws. + * + * ```js + * const root = postcss.parse('a {\n color:black\n}') + * root.first.first.raws //=> { before: '\n ', between: ':' } + * ``` + */ + raws: any + + /** + * It represents information related to origin of a node and is required + * for generating source maps. + * + * The nodes that are created manually using the public APIs + * provided by PostCSS will have `source` undefined and + * will be absent in the source map. + * + * For this reason, the plugin developer should consider + * duplicating nodes as the duplicate node will have the + * same source as the original node by default or assign + * source to a node created manually. + * + * ```js + * decl.source.input.from //=> '/home/ai/source.css' + * decl.source.start //=> { line: 10, column: 2 } + * decl.source.end //=> { line: 10, column: 12 } + * ``` + * + * ```js + * // Incorrect method, source not specified! + * const prefixed = postcss.decl({ + * prop: '-moz-' + decl.prop, + * value: decl.value + * }) + * + * // Correct method, source is inherited when duplicating. + * const prefixed = decl.clone({ + * prop: '-moz-' + decl.prop + * }) + * ``` + * + * ```js + * if (atrule.name === 'add-link') { + * const rule = postcss.rule({ + * selector: 'a', + * source: atrule.source + * }) + * + * atrule.parent.insertBefore(atrule, rule) + * } + * ``` + */ + source?: Node.Source + + /** + * It represents type of a node in + * an abstract syntax tree. + * + * A type of node helps in identification of a node + * and perform operation based on it's type. + * + * ```js + * const declaration = new Declaration({ + * prop: 'color', + * value: 'black' + * }) + * + * declaration.type //=> 'decl' + * ``` + */ + type: string + + constructor(defaults?: object) + + /** + * Insert new node after current node to current node’s parent. + * + * Just alias for `node.parent.insertAfter(node, add)`. + * + * ```js + * decl.after('color: black') + * ``` + * + * @param newNode New node. + * @return This node for methods chain. + */ + after( + newNode: Node | Node.ChildProps | readonly Node[] | string | undefined + ): this + + /** + * It assigns properties to an existing node instance. + * + * ```js + * decl.assign({ prop: 'word-wrap', value: 'break-word' }) + * ``` + * + * @param overrides New properties to override the node. + * + * @return `this` for method chaining. + */ + assign(overrides: object): this + + /** + * Insert new node before current node to current node’s parent. + * + * Just alias for `node.parent.insertBefore(node, add)`. + * + * ```js + * decl.before('content: ""') + * ``` + * + * @param newNode New node. + * @return This node for methods chain. + */ + before( + newNode: Node | Node.ChildProps | readonly Node[] | string | undefined + ): this + + /** + * Clear the code style properties for the node and its children. + * + * ```js + * node.raws.before //=> ' ' + * node.cleanRaws() + * node.raws.before //=> undefined + * ``` + * + * @param keepBetween Keep the `raws.between` symbols. + */ + cleanRaws(keepBetween?: boolean): void + + /** + * It creates clone of an existing node, which includes all the properties + * and their values, that includes `raws` but not `type`. + * + * ```js + * decl.raws.before //=> "\n " + * const cloned = decl.clone({ prop: '-moz-' + decl.prop }) + * cloned.raws.before //=> "\n " + * cloned.toString() //=> -moz-transform: scale(0) + * ``` + * + * @param overrides New properties to override in the clone. + * + * @return Duplicate of the node instance. + */ + clone(overrides?: object): this + + /** + * Shortcut to clone the node and insert the resulting cloned node + * after the current node. + * + * @param overrides New properties to override in the clone. + * @return New node. + */ + cloneAfter(overrides?: object): this + + /** + * Shortcut to clone the node and insert the resulting cloned node + * before the current node. + * + * ```js + * decl.cloneBefore({ prop: '-moz-' + decl.prop }) + * ``` + * + * @param overrides Mew properties to override in the clone. + * + * @return New node + */ + cloneBefore(overrides?: object): this + + /** + * It creates an instance of the class `CssSyntaxError` and parameters passed + * to this method are assigned to the error instance. + * + * The error instance will have description for the + * error, original position of the node in the + * source, showing line and column number. + * + * If any previous map is present, it would be used + * to get original position of the source. + * + * The Previous Map here is referred to the source map + * generated by previous compilation, example: Less, + * Stylus and Sass. + * + * This method returns the error instance instead of + * throwing it. + * + * ```js + * if (!variables[name]) { + * throw decl.error(`Unknown variable ${name}`, { word: name }) + * // CssSyntaxError: postcss-vars:a.sass:4:3: Unknown variable $black + * // color: $black + * // a + * // ^ + * // background: white + * } + * ``` + * + * @param message Description for the error instance. + * @param options Options for the error instance. + * + * @return Error instance is returned. + */ + error(message: string, options?: Node.NodeErrorOptions): CssSyntaxError + + /** + * Returns the next child of the node’s parent. + * Returns `undefined` if the current node is the last child. + * + * ```js + * if (comment.text === 'delete next') { + * const next = comment.next() + * if (next) { + * next.remove() + * } + * } + * ``` + * + * @return Next node. + */ + next(): Node.ChildNode | undefined + + /** + * Get the position for a word or an index inside the node. + * + * @param opts Options. + * @return Position. + */ + positionBy(opts?: Pick): Node.Position + + /** + * Convert string index to line/column. + * + * @param index The symbol number in the node’s string. + * @return Symbol position in file. + */ + positionInside(index: number): Node.Position + + /** + * Returns the previous child of the node’s parent. + * Returns `undefined` if the current node is the first child. + * + * ```js + * const annotation = decl.prev() + * if (annotation.type === 'comment') { + * readAnnotation(annotation.text) + * } + * ``` + * + * @return Previous node. + */ + prev(): Node.ChildNode | undefined + + /** + * Get the range for a word or start and end index inside the node. + * The start index is inclusive; the end index is exclusive. + * + * @param opts Options. + * @return Range. + */ + rangeBy( + opts?: Pick + ): Node.Range + + /** + * Returns a `raws` value. If the node is missing + * the code style property (because the node was manually built or cloned), + * PostCSS will try to autodetect the code style property by looking + * at other nodes in the tree. + * + * ```js + * const root = postcss.parse('a { background: white }') + * root.nodes[0].append({ prop: 'color', value: 'black' }) + * root.nodes[0].nodes[1].raws.before //=> undefined + * root.nodes[0].nodes[1].raw('before') //=> ' ' + * ``` + * + * @param prop Name of code style property. + * @param defaultType Name of default value, it can be missed + * if the value is the same as prop. + * @return {string} Code style value. + */ + raw(prop: string, defaultType?: string): string + + /** + * It removes the node from its parent and deletes its parent property. + * + * ```js + * if (decl.prop.match(/^-webkit-/)) { + * decl.remove() + * } + * ``` + * + * @return `this` for method chaining. + */ + remove(): this + + /** + * Inserts node(s) before the current node and removes the current node. + * + * ```js + * AtRule: { + * mixin: atrule => { + * atrule.replaceWith(mixinRules[atrule.params]) + * } + * } + * ``` + * + * @param nodes Mode(s) to replace current one. + * @return Current node to methods chain. + */ + replaceWith(...nodes: NewChild[]): this + + /** + * Finds the Root instance of the node’s tree. + * + * ```js + * root.nodes[0].nodes[0].root() === root + * ``` + * + * @return Root parent. + */ + root(): Root + + /** + * Fix circular links on `JSON.stringify()`. + * + * @return Cleaned object. + */ + toJSON(): object + + /** + * It compiles the node to browser readable cascading style sheets string + * depending on it's type. + * + * ```js + * new Rule({ selector: 'a' }).toString() //=> "a {}" + * ``` + * + * @param stringifier A syntax to use in string generation. + * @return CSS string of this node. + */ + toString(stringifier?: Stringifier | Syntax): string + + /** + * It is a wrapper for {@link Result#warn}, providing convenient + * way of generating warnings. + * + * ```js + * Declaration: { + * bad: (decl, { result }) => { + * decl.warn(result, 'Deprecated property: bad') + * } + * } + * ``` + * + * @param result The `Result` instance that will receive the warning. + * @param message Description for the warning. + * @param options Options for the warning. + * + * @return `Warning` instance is returned + */ + warn(result: Result, message: string, options?: WarningOptions): Warning + + /** + * If this node isn't already dirty, marks it and its ancestors as such. This + * indicates to the LazyResult processor that the {@link Root} has been + * modified by the current plugin and may need to be processed again by other + * plugins. + */ + protected markDirty(): void +} + +declare class Node extends Node_ {} + +export = Node diff --git a/node_modules/postcss/lib/node.js b/node_modules/postcss/lib/node.js new file mode 100644 index 0000000..b403b71 --- /dev/null +++ b/node_modules/postcss/lib/node.js @@ -0,0 +1,449 @@ +'use strict' + +let CssSyntaxError = require('./css-syntax-error') +let Stringifier = require('./stringifier') +let stringify = require('./stringify') +let { isClean, my } = require('./symbols') + +function cloneNode(obj, parent) { + let cloned = new obj.constructor() + + for (let i in obj) { + if (!Object.prototype.hasOwnProperty.call(obj, i)) { + /* c8 ignore next 2 */ + continue + } + if (i === 'proxyCache') continue + let value = obj[i] + let type = typeof value + + if (i === 'parent' && type === 'object') { + if (parent) cloned[i] = parent + } else if (i === 'source') { + cloned[i] = value + } else if (Array.isArray(value)) { + cloned[i] = value.map(j => cloneNode(j, cloned)) + } else { + if (type === 'object' && value !== null) value = cloneNode(value) + cloned[i] = value + } + } + + return cloned +} + +function sourceOffset(inputCSS, position) { + // Not all custom syntaxes support `offset` in `source.start` and `source.end` + if (position && typeof position.offset !== 'undefined') { + return position.offset + } + + let column = 1 + let line = 1 + let offset = 0 + + for (let i = 0; i < inputCSS.length; i++) { + if (line === position.line && column === position.column) { + offset = i + break + } + + if (inputCSS[i] === '\n') { + column = 1 + line += 1 + } else { + column += 1 + } + } + + return offset +} + +class Node { + get proxyOf() { + return this + } + + constructor(defaults = {}) { + this.raws = {} + this[isClean] = false + this[my] = true + + for (let name in defaults) { + if (name === 'nodes') { + this.nodes = [] + for (let node of defaults[name]) { + if (typeof node.clone === 'function') { + this.append(node.clone()) + } else { + this.append(node) + } + } + } else { + this[name] = defaults[name] + } + } + } + + addToError(error) { + error.postcssNode = this + if (error.stack && this.source && /\n\s{4}at /.test(error.stack)) { + let s = this.source + error.stack = error.stack.replace( + /\n\s{4}at /, + `$&${s.input.from}:${s.start.line}:${s.start.column}$&` + ) + } + return error + } + + after(add) { + this.parent.insertAfter(this, add) + return this + } + + assign(overrides = {}) { + for (let name in overrides) { + this[name] = overrides[name] + } + return this + } + + before(add) { + this.parent.insertBefore(this, add) + return this + } + + cleanRaws(keepBetween) { + delete this.raws.before + delete this.raws.after + if (!keepBetween) delete this.raws.between + } + + clone(overrides = {}) { + let cloned = cloneNode(this) + for (let name in overrides) { + cloned[name] = overrides[name] + } + return cloned + } + + cloneAfter(overrides = {}) { + let cloned = this.clone(overrides) + this.parent.insertAfter(this, cloned) + return cloned + } + + cloneBefore(overrides = {}) { + let cloned = this.clone(overrides) + this.parent.insertBefore(this, cloned) + return cloned + } + + error(message, opts = {}) { + if (this.source) { + let { end, start } = this.rangeBy(opts) + return this.source.input.error( + message, + { column: start.column, line: start.line }, + { column: end.column, line: end.line }, + opts + ) + } + return new CssSyntaxError(message) + } + + getProxyProcessor() { + return { + get(node, prop) { + if (prop === 'proxyOf') { + return node + } else if (prop === 'root') { + return () => node.root().toProxy() + } else { + return node[prop] + } + }, + + set(node, prop, value) { + if (node[prop] === value) return true + node[prop] = value + if ( + prop === 'prop' || + prop === 'value' || + prop === 'name' || + prop === 'params' || + prop === 'important' || + /* c8 ignore next */ + prop === 'text' + ) { + node.markDirty() + } + return true + } + } + } + + /* c8 ignore next 3 */ + markClean() { + this[isClean] = true + } + + markDirty() { + if (this[isClean]) { + this[isClean] = false + let next = this + while ((next = next.parent)) { + next[isClean] = false + } + } + } + + next() { + if (!this.parent) return undefined + let index = this.parent.index(this) + return this.parent.nodes[index + 1] + } + + positionBy(opts = {}) { + let pos = this.source.start + if (opts.index) { + pos = this.positionInside(opts.index) + } else if (opts.word) { + let inputString = + 'document' in this.source.input + ? this.source.input.document + : this.source.input.css + let stringRepresentation = inputString.slice( + sourceOffset(inputString, this.source.start), + sourceOffset(inputString, this.source.end) + ) + let index = stringRepresentation.indexOf(opts.word) + if (index !== -1) pos = this.positionInside(index) + } + return pos + } + + positionInside(index) { + let column = this.source.start.column + let line = this.source.start.line + let inputString = + 'document' in this.source.input + ? this.source.input.document + : this.source.input.css + let offset = sourceOffset(inputString, this.source.start) + let end = offset + index + + for (let i = offset; i < end; i++) { + if (inputString[i] === '\n') { + column = 1 + line += 1 + } else { + column += 1 + } + } + + return { column, line, offset: end } + } + + prev() { + if (!this.parent) return undefined + let index = this.parent.index(this) + return this.parent.nodes[index - 1] + } + + rangeBy(opts = {}) { + let inputString = + 'document' in this.source.input + ? this.source.input.document + : this.source.input.css + let start = { + column: this.source.start.column, + line: this.source.start.line, + offset: sourceOffset(inputString, this.source.start) + } + let end = this.source.end + ? { + column: this.source.end.column + 1, + line: this.source.end.line, + offset: + typeof this.source.end.offset === 'number' + ? // `source.end.offset` is exclusive, so we don't need to add 1 + this.source.end.offset + : // Since line/column in this.source.end is inclusive, + // the `sourceOffset(... , this.source.end)` returns an inclusive offset. + // So, we add 1 to convert it to exclusive. + sourceOffset(inputString, this.source.end) + 1 + } + : { + column: start.column + 1, + line: start.line, + offset: start.offset + 1 + } + + if (opts.word) { + let stringRepresentation = inputString.slice( + sourceOffset(inputString, this.source.start), + sourceOffset(inputString, this.source.end) + ) + let index = stringRepresentation.indexOf(opts.word) + if (index !== -1) { + start = this.positionInside(index) + end = this.positionInside(index + opts.word.length) + } + } else { + if (opts.start) { + start = { + column: opts.start.column, + line: opts.start.line, + offset: sourceOffset(inputString, opts.start) + } + } else if (opts.index) { + start = this.positionInside(opts.index) + } + + if (opts.end) { + end = { + column: opts.end.column, + line: opts.end.line, + offset: sourceOffset(inputString, opts.end) + } + } else if (typeof opts.endIndex === 'number') { + end = this.positionInside(opts.endIndex) + } else if (opts.index) { + end = this.positionInside(opts.index + 1) + } + } + + if ( + end.line < start.line || + (end.line === start.line && end.column <= start.column) + ) { + end = { + column: start.column + 1, + line: start.line, + offset: start.offset + 1 + } + } + + return { end, start } + } + + raw(prop, defaultType) { + let str = new Stringifier() + return str.raw(this, prop, defaultType) + } + + remove() { + if (this.parent) { + this.parent.removeChild(this) + } + this.parent = undefined + return this + } + + replaceWith(...nodes) { + if (this.parent) { + let bookmark = this + let foundSelf = false + for (let node of nodes) { + if (node === this) { + foundSelf = true + } else if (foundSelf) { + this.parent.insertAfter(bookmark, node) + bookmark = node + } else { + this.parent.insertBefore(bookmark, node) + } + } + + if (!foundSelf) { + this.remove() + } + } + + return this + } + + root() { + let result = this + while (result.parent && result.parent.type !== 'document') { + result = result.parent + } + return result + } + + toJSON(_, inputs) { + let fixed = {} + let emitInputs = inputs == null + inputs = inputs || new Map() + let inputsNextIndex = 0 + + for (let name in this) { + if (!Object.prototype.hasOwnProperty.call(this, name)) { + /* c8 ignore next 2 */ + continue + } + if (name === 'parent' || name === 'proxyCache') continue + let value = this[name] + + if (Array.isArray(value)) { + fixed[name] = value.map(i => { + if (typeof i === 'object' && i.toJSON) { + return i.toJSON(null, inputs) + } else { + return i + } + }) + } else if (typeof value === 'object' && value.toJSON) { + fixed[name] = value.toJSON(null, inputs) + } else if (name === 'source') { + if (value == null) continue + let inputId = inputs.get(value.input) + if (inputId == null) { + inputId = inputsNextIndex + inputs.set(value.input, inputsNextIndex) + inputsNextIndex++ + } + fixed[name] = { + end: value.end, + inputId, + start: value.start + } + } else { + fixed[name] = value + } + } + + if (emitInputs) { + fixed.inputs = [...inputs.keys()].map(input => input.toJSON()) + } + + return fixed + } + + toProxy() { + if (!this.proxyCache) { + this.proxyCache = new Proxy(this, this.getProxyProcessor()) + } + return this.proxyCache + } + + toString(stringifier = stringify) { + if (stringifier.stringify) stringifier = stringifier.stringify + let result = '' + stringifier(this, i => { + result += i + }) + return result + } + + warn(result, text, opts = {}) { + let data = { node: this } + for (let i in opts) data[i] = opts[i] + return result.warn(text, data) + } +} + +module.exports = Node +Node.default = Node diff --git a/node_modules/postcss/lib/parse.d.ts b/node_modules/postcss/lib/parse.d.ts new file mode 100644 index 0000000..4c943a4 --- /dev/null +++ b/node_modules/postcss/lib/parse.d.ts @@ -0,0 +1,9 @@ +import { Parser } from './postcss.js' + +interface Parse extends Parser { + default: Parse +} + +declare const parse: Parse + +export = parse diff --git a/node_modules/postcss/lib/parse.js b/node_modules/postcss/lib/parse.js new file mode 100644 index 0000000..00a1037 --- /dev/null +++ b/node_modules/postcss/lib/parse.js @@ -0,0 +1,42 @@ +'use strict' + +let Container = require('./container') +let Input = require('./input') +let Parser = require('./parser') + +function parse(css, opts) { + let input = new Input(css, opts) + let parser = new Parser(input) + try { + parser.parse() + } catch (e) { + if (process.env.NODE_ENV !== 'production') { + if (e.name === 'CssSyntaxError' && opts && opts.from) { + if (/\.scss$/i.test(opts.from)) { + e.message += + '\nYou tried to parse SCSS with ' + + 'the standard CSS parser; ' + + 'try again with the postcss-scss parser' + } else if (/\.sass/i.test(opts.from)) { + e.message += + '\nYou tried to parse Sass with ' + + 'the standard CSS parser; ' + + 'try again with the postcss-sass parser' + } else if (/\.less$/i.test(opts.from)) { + e.message += + '\nYou tried to parse Less with ' + + 'the standard CSS parser; ' + + 'try again with the postcss-less parser' + } + } + } + throw e + } + + return parser.root +} + +module.exports = parse +parse.default = parse + +Container.registerParse(parse) diff --git a/node_modules/postcss/lib/parser.js b/node_modules/postcss/lib/parser.js new file mode 100644 index 0000000..64fb5d8 --- /dev/null +++ b/node_modules/postcss/lib/parser.js @@ -0,0 +1,611 @@ +'use strict' + +let AtRule = require('./at-rule') +let Comment = require('./comment') +let Declaration = require('./declaration') +let Root = require('./root') +let Rule = require('./rule') +let tokenizer = require('./tokenize') + +const SAFE_COMMENT_NEIGHBOR = { + empty: true, + space: true +} + +function findLastWithPosition(tokens) { + for (let i = tokens.length - 1; i >= 0; i--) { + let token = tokens[i] + let pos = token[3] || token[2] + if (pos) return pos + } +} + +class Parser { + constructor(input) { + this.input = input + + this.root = new Root() + this.current = this.root + this.spaces = '' + this.semicolon = false + + this.createTokenizer() + this.root.source = { input, start: { column: 1, line: 1, offset: 0 } } + } + + atrule(token) { + let node = new AtRule() + node.name = token[1].slice(1) + if (node.name === '') { + this.unnamedAtrule(node, token) + } + this.init(node, token[2]) + + let type + let prev + let shift + let last = false + let open = false + let params = [] + let brackets = [] + + while (!this.tokenizer.endOfFile()) { + token = this.tokenizer.nextToken() + type = token[0] + + if (type === '(' || type === '[') { + brackets.push(type === '(' ? ')' : ']') + } else if (type === '{' && brackets.length > 0) { + brackets.push('}') + } else if (type === brackets[brackets.length - 1]) { + brackets.pop() + } + + if (brackets.length === 0) { + if (type === ';') { + node.source.end = this.getPosition(token[2]) + node.source.end.offset++ + this.semicolon = true + break + } else if (type === '{') { + open = true + break + } else if (type === '}') { + if (params.length > 0) { + shift = params.length - 1 + prev = params[shift] + while (prev && prev[0] === 'space') { + prev = params[--shift] + } + if (prev) { + node.source.end = this.getPosition(prev[3] || prev[2]) + node.source.end.offset++ + } + } + this.end(token) + break + } else { + params.push(token) + } + } else { + params.push(token) + } + + if (this.tokenizer.endOfFile()) { + last = true + break + } + } + + node.raws.between = this.spacesAndCommentsFromEnd(params) + if (params.length) { + node.raws.afterName = this.spacesAndCommentsFromStart(params) + this.raw(node, 'params', params) + if (last) { + token = params[params.length - 1] + node.source.end = this.getPosition(token[3] || token[2]) + node.source.end.offset++ + this.spaces = node.raws.between + node.raws.between = '' + } + } else { + node.raws.afterName = '' + node.params = '' + } + + if (open) { + node.nodes = [] + this.current = node + } + } + + checkMissedSemicolon(tokens) { + let colon = this.colon(tokens) + if (colon === false) return + + let founded = 0 + let token + for (let j = colon - 1; j >= 0; j--) { + token = tokens[j] + if (token[0] !== 'space') { + founded += 1 + if (founded === 2) break + } + } + // If the token is a word, e.g. `!important`, `red` or any other valid property's value. + // Then we need to return the colon after that word token. [3] is the "end" colon of that word. + // And because we need it after that one we do +1 to get the next one. + throw this.input.error( + 'Missed semicolon', + token[0] === 'word' ? token[3] + 1 : token[2] + ) + } + + colon(tokens) { + let brackets = 0 + let prev, token, type + for (let [i, element] of tokens.entries()) { + token = element + type = token[0] + + if (type === '(') { + brackets += 1 + } + if (type === ')') { + brackets -= 1 + } + if (brackets === 0 && type === ':') { + if (!prev) { + this.doubleColon(token) + } else if (prev[0] === 'word' && prev[1] === 'progid') { + continue + } else { + return i + } + } + + prev = token + } + return false + } + + comment(token) { + let node = new Comment() + this.init(node, token[2]) + node.source.end = this.getPosition(token[3] || token[2]) + node.source.end.offset++ + + let text = token[1].slice(2, -2) + if (/^\s*$/.test(text)) { + node.text = '' + node.raws.left = text + node.raws.right = '' + } else { + let match = text.match(/^(\s*)([^]*\S)(\s*)$/) + node.text = match[2] + node.raws.left = match[1] + node.raws.right = match[3] + } + } + + createTokenizer() { + this.tokenizer = tokenizer(this.input) + } + + decl(tokens, customProperty) { + let node = new Declaration() + this.init(node, tokens[0][2]) + + let last = tokens[tokens.length - 1] + if (last[0] === ';') { + this.semicolon = true + tokens.pop() + } + + node.source.end = this.getPosition( + last[3] || last[2] || findLastWithPosition(tokens) + ) + node.source.end.offset++ + + while (tokens[0][0] !== 'word') { + if (tokens.length === 1) this.unknownWord(tokens) + node.raws.before += tokens.shift()[1] + } + node.source.start = this.getPosition(tokens[0][2]) + + node.prop = '' + while (tokens.length) { + let type = tokens[0][0] + if (type === ':' || type === 'space' || type === 'comment') { + break + } + node.prop += tokens.shift()[1] + } + + node.raws.between = '' + + let token + while (tokens.length) { + token = tokens.shift() + + if (token[0] === ':') { + node.raws.between += token[1] + break + } else { + if (token[0] === 'word' && /\w/.test(token[1])) { + this.unknownWord([token]) + } + node.raws.between += token[1] + } + } + + if (node.prop[0] === '_' || node.prop[0] === '*') { + node.raws.before += node.prop[0] + node.prop = node.prop.slice(1) + } + + let firstSpaces = [] + let next + while (tokens.length) { + next = tokens[0][0] + if (next !== 'space' && next !== 'comment') break + firstSpaces.push(tokens.shift()) + } + + this.precheckMissedSemicolon(tokens) + + for (let i = tokens.length - 1; i >= 0; i--) { + token = tokens[i] + if (token[1].toLowerCase() === '!important') { + node.important = true + let string = this.stringFrom(tokens, i) + string = this.spacesFromEnd(tokens) + string + if (string !== ' !important') node.raws.important = string + break + } else if (token[1].toLowerCase() === 'important') { + let cache = tokens.slice(0) + let str = '' + for (let j = i; j > 0; j--) { + let type = cache[j][0] + if (str.trim().startsWith('!') && type !== 'space') { + break + } + str = cache.pop()[1] + str + } + if (str.trim().startsWith('!')) { + node.important = true + node.raws.important = str + tokens = cache + } + } + + if (token[0] !== 'space' && token[0] !== 'comment') { + break + } + } + + let hasWord = tokens.some(i => i[0] !== 'space' && i[0] !== 'comment') + + if (hasWord) { + node.raws.between += firstSpaces.map(i => i[1]).join('') + firstSpaces = [] + } + this.raw(node, 'value', firstSpaces.concat(tokens), customProperty) + + if (node.value.includes(':') && !customProperty) { + this.checkMissedSemicolon(tokens) + } + } + + doubleColon(token) { + throw this.input.error( + 'Double colon', + { offset: token[2] }, + { offset: token[2] + token[1].length } + ) + } + + emptyRule(token) { + let node = new Rule() + this.init(node, token[2]) + node.selector = '' + node.raws.between = '' + this.current = node + } + + end(token) { + if (this.current.nodes && this.current.nodes.length) { + this.current.raws.semicolon = this.semicolon + } + this.semicolon = false + + this.current.raws.after = (this.current.raws.after || '') + this.spaces + this.spaces = '' + + if (this.current.parent) { + this.current.source.end = this.getPosition(token[2]) + this.current.source.end.offset++ + this.current = this.current.parent + } else { + this.unexpectedClose(token) + } + } + + endFile() { + if (this.current.parent) this.unclosedBlock() + if (this.current.nodes && this.current.nodes.length) { + this.current.raws.semicolon = this.semicolon + } + this.current.raws.after = (this.current.raws.after || '') + this.spaces + this.root.source.end = this.getPosition(this.tokenizer.position()) + } + + freeSemicolon(token) { + this.spaces += token[1] + if (this.current.nodes) { + let prev = this.current.nodes[this.current.nodes.length - 1] + if (prev && prev.type === 'rule' && !prev.raws.ownSemicolon) { + prev.raws.ownSemicolon = this.spaces + this.spaces = '' + prev.source.end = this.getPosition(token[2]) + prev.source.end.offset += prev.raws.ownSemicolon.length + } + } + } + + // Helpers + + getPosition(offset) { + let pos = this.input.fromOffset(offset) + return { + column: pos.col, + line: pos.line, + offset + } + } + + init(node, offset) { + this.current.push(node) + node.source = { + input: this.input, + start: this.getPosition(offset) + } + node.raws.before = this.spaces + this.spaces = '' + if (node.type !== 'comment') this.semicolon = false + } + + other(start) { + let end = false + let type = null + let colon = false + let bracket = null + let brackets = [] + let customProperty = start[1].startsWith('--') + + let tokens = [] + let token = start + while (token) { + type = token[0] + tokens.push(token) + + if (type === '(' || type === '[') { + if (!bracket) bracket = token + brackets.push(type === '(' ? ')' : ']') + } else if (customProperty && colon && type === '{') { + if (!bracket) bracket = token + brackets.push('}') + } else if (brackets.length === 0) { + if (type === ';') { + if (colon) { + this.decl(tokens, customProperty) + return + } else { + break + } + } else if (type === '{') { + this.rule(tokens) + return + } else if (type === '}') { + this.tokenizer.back(tokens.pop()) + end = true + break + } else if (type === ':') { + colon = true + } + } else if (type === brackets[brackets.length - 1]) { + brackets.pop() + if (brackets.length === 0) bracket = null + } + + token = this.tokenizer.nextToken() + } + + if (this.tokenizer.endOfFile()) end = true + if (brackets.length > 0) this.unclosedBracket(bracket) + + if (end && colon) { + if (!customProperty) { + while (tokens.length) { + token = tokens[tokens.length - 1][0] + if (token !== 'space' && token !== 'comment') break + this.tokenizer.back(tokens.pop()) + } + } + this.decl(tokens, customProperty) + } else { + this.unknownWord(tokens) + } + } + + parse() { + let token + while (!this.tokenizer.endOfFile()) { + token = this.tokenizer.nextToken() + + switch (token[0]) { + case 'space': + this.spaces += token[1] + break + + case ';': + this.freeSemicolon(token) + break + + case '}': + this.end(token) + break + + case 'comment': + this.comment(token) + break + + case 'at-word': + this.atrule(token) + break + + case '{': + this.emptyRule(token) + break + + default: + this.other(token) + break + } + } + this.endFile() + } + + precheckMissedSemicolon(/* tokens */) { + // Hook for Safe Parser + } + + raw(node, prop, tokens, customProperty) { + let token, type + let length = tokens.length + let value = '' + let clean = true + let next, prev + + for (let i = 0; i < length; i += 1) { + token = tokens[i] + type = token[0] + if (type === 'space' && i === length - 1 && !customProperty) { + clean = false + } else if (type === 'comment') { + prev = tokens[i - 1] ? tokens[i - 1][0] : 'empty' + next = tokens[i + 1] ? tokens[i + 1][0] : 'empty' + if (!SAFE_COMMENT_NEIGHBOR[prev] && !SAFE_COMMENT_NEIGHBOR[next]) { + if (value.slice(-1) === ',') { + clean = false + } else { + value += token[1] + } + } else { + clean = false + } + } else { + value += token[1] + } + } + if (!clean) { + let raw = tokens.reduce((all, i) => all + i[1], '') + node.raws[prop] = { raw, value } + } + node[prop] = value + } + + rule(tokens) { + tokens.pop() + + let node = new Rule() + this.init(node, tokens[0][2]) + + node.raws.between = this.spacesAndCommentsFromEnd(tokens) + this.raw(node, 'selector', tokens) + this.current = node + } + + spacesAndCommentsFromEnd(tokens) { + let lastTokenType + let spaces = '' + while (tokens.length) { + lastTokenType = tokens[tokens.length - 1][0] + if (lastTokenType !== 'space' && lastTokenType !== 'comment') break + spaces = tokens.pop()[1] + spaces + } + return spaces + } + + // Errors + + spacesAndCommentsFromStart(tokens) { + let next + let spaces = '' + while (tokens.length) { + next = tokens[0][0] + if (next !== 'space' && next !== 'comment') break + spaces += tokens.shift()[1] + } + return spaces + } + + spacesFromEnd(tokens) { + let lastTokenType + let spaces = '' + while (tokens.length) { + lastTokenType = tokens[tokens.length - 1][0] + if (lastTokenType !== 'space') break + spaces = tokens.pop()[1] + spaces + } + return spaces + } + + stringFrom(tokens, from) { + let result = '' + for (let i = from; i < tokens.length; i++) { + result += tokens[i][1] + } + tokens.splice(from, tokens.length - from) + return result + } + + unclosedBlock() { + let pos = this.current.source.start + throw this.input.error('Unclosed block', pos.line, pos.column) + } + + unclosedBracket(bracket) { + throw this.input.error( + 'Unclosed bracket', + { offset: bracket[2] }, + { offset: bracket[2] + 1 } + ) + } + + unexpectedClose(token) { + throw this.input.error( + 'Unexpected }', + { offset: token[2] }, + { offset: token[2] + 1 } + ) + } + + unknownWord(tokens) { + throw this.input.error( + 'Unknown word ' + tokens[0][1], + { offset: tokens[0][2] }, + { offset: tokens[0][2] + tokens[0][1].length } + ) + } + + unnamedAtrule(node, token) { + throw this.input.error( + 'At-rule without name', + { offset: token[2] }, + { offset: token[2] + token[1].length } + ) + } +} + +module.exports = Parser diff --git a/node_modules/postcss/lib/postcss.d.mts b/node_modules/postcss/lib/postcss.d.mts new file mode 100644 index 0000000..d343f3c --- /dev/null +++ b/node_modules/postcss/lib/postcss.d.mts @@ -0,0 +1,69 @@ +export { + // Type-only exports + AcceptedPlugin, + + AnyNode, + atRule, + AtRule, + AtRuleProps, + Builder, + ChildNode, + ChildProps, + comment, + Comment, + CommentProps, + Container, + ContainerProps, + CssSyntaxError, + decl, + Declaration, + DeclarationProps, + // postcss function / namespace + default, + document, + Document, + DocumentProps, + FilePosition, + fromJSON, + Helpers, + Input, + + JSONHydrator, + // This is a class, but it’s not re-exported. That’s why it’s exported as type-only here. + type LazyResult, + list, + Message, + Node, + NodeErrorOptions, + NodeProps, + OldPlugin, + parse, + Parser, + // @ts-expect-error This value exists, but it’s untyped. + plugin, + Plugin, + PluginCreator, + Position, + Postcss, + ProcessOptions, + Processor, + Result, + root, + Root, + RootProps, + rule, + Rule, + RuleProps, + Source, + SourceMap, + SourceMapOptions, + Stringifier, + // Value exports from postcss.mjs + stringify, + Syntax, + TransformCallback, + Transformer, + Warning, + + WarningOptions +} from './postcss.js' diff --git a/node_modules/postcss/lib/postcss.d.ts b/node_modules/postcss/lib/postcss.d.ts new file mode 100644 index 0000000..c5e3605 --- /dev/null +++ b/node_modules/postcss/lib/postcss.d.ts @@ -0,0 +1,458 @@ +import { RawSourceMap, SourceMapGenerator } from 'source-map-js' + +import AtRule, { AtRuleProps } from './at-rule.js' +import Comment, { CommentProps } from './comment.js' +import Container, { ContainerProps, NewChild } from './container.js' +import CssSyntaxError from './css-syntax-error.js' +import Declaration, { DeclarationProps } from './declaration.js' +import Document, { DocumentProps } from './document.js' +import Input, { FilePosition } from './input.js' +import LazyResult from './lazy-result.js' +import list from './list.js' +import Node, { + AnyNode, + ChildNode, + ChildProps, + NodeErrorOptions, + NodeProps, + Position, + Source +} from './node.js' +import Processor from './processor.js' +import Result, { Message } from './result.js' +import Root, { RootProps } from './root.js' +import Rule, { RuleProps } from './rule.js' +import Warning, { WarningOptions } from './warning.js' + +type DocumentProcessor = ( + document: Document, + helper: postcss.Helpers +) => Promise | void +type RootProcessor = ( + root: Root, + helper: postcss.Helpers +) => Promise | void +type DeclarationProcessor = ( + decl: Declaration, + helper: postcss.Helpers +) => Promise | void +type RuleProcessor = ( + rule: Rule, + helper: postcss.Helpers +) => Promise | void +type AtRuleProcessor = ( + atRule: AtRule, + helper: postcss.Helpers +) => Promise | void +type CommentProcessor = ( + comment: Comment, + helper: postcss.Helpers +) => Promise | void + +interface Processors { + /** + * Will be called on all`AtRule` nodes. + * + * Will be called again on node or children changes. + */ + AtRule?: { [name: string]: AtRuleProcessor } | AtRuleProcessor + + /** + * Will be called on all `AtRule` nodes, when all children will be processed. + * + * Will be called again on node or children changes. + */ + AtRuleExit?: { [name: string]: AtRuleProcessor } | AtRuleProcessor + + /** + * Will be called on all `Comment` nodes. + * + * Will be called again on node or children changes. + */ + Comment?: CommentProcessor + + /** + * Will be called on all `Comment` nodes after listeners + * for `Comment` event. + * + * Will be called again on node or children changes. + */ + CommentExit?: CommentProcessor + + /** + * Will be called on all `Declaration` nodes after listeners + * for `Declaration` event. + * + * Will be called again on node or children changes. + */ + Declaration?: { [prop: string]: DeclarationProcessor } | DeclarationProcessor + + /** + * Will be called on all `Declaration` nodes. + * + * Will be called again on node or children changes. + */ + DeclarationExit?: + | { [prop: string]: DeclarationProcessor } + | DeclarationProcessor + + /** + * Will be called on `Document` node. + * + * Will be called again on children changes. + */ + Document?: DocumentProcessor + + /** + * Will be called on `Document` node, when all children will be processed. + * + * Will be called again on children changes. + */ + DocumentExit?: DocumentProcessor + + /** + * Will be called on `Root` node once. + */ + Once?: RootProcessor + + /** + * Will be called on `Root` node once, when all children will be processed. + */ + OnceExit?: RootProcessor + + /** + * Will be called on `Root` node. + * + * Will be called again on children changes. + */ + Root?: RootProcessor + + /** + * Will be called on `Root` node, when all children will be processed. + * + * Will be called again on children changes. + */ + RootExit?: RootProcessor + + /** + * Will be called on all `Rule` nodes. + * + * Will be called again on node or children changes. + */ + Rule?: RuleProcessor + + /** + * Will be called on all `Rule` nodes, when all children will be processed. + * + * Will be called again on node or children changes. + */ + RuleExit?: RuleProcessor +} + +declare namespace postcss { + export { + AnyNode, + AtRule, + AtRuleProps, + ChildNode, + ChildProps, + Comment, + CommentProps, + Container, + ContainerProps, + CssSyntaxError, + Declaration, + DeclarationProps, + Document, + DocumentProps, + FilePosition, + Input, + LazyResult, + list, + Message, + NewChild, + Node, + NodeErrorOptions, + NodeProps, + Position, + Processor, + Result, + Root, + RootProps, + Rule, + RuleProps, + Source, + Warning, + WarningOptions + } + + export type SourceMap = { + toJSON(): RawSourceMap + } & SourceMapGenerator + + export type Helpers = { postcss: Postcss; result: Result } & Postcss + + export interface Plugin extends Processors { + postcssPlugin: string + prepare?: (result: Result) => Processors + } + + export interface PluginCreator { + (opts?: PluginOptions): Plugin | Processor + postcss: true + } + + export interface Transformer extends TransformCallback { + postcssPlugin: string + postcssVersion: string + } + + export interface TransformCallback { + (root: Root, result: Result): Promise | void + } + + export interface OldPlugin extends Transformer { + (opts?: T): Transformer + postcss: Transformer + } + + export type AcceptedPlugin = + | { + postcss: Processor | TransformCallback + } + | OldPlugin + | Plugin + | PluginCreator + | Processor + | TransformCallback + + export interface Parser { + ( + css: { toString(): string } | string, + opts?: Pick + ): RootNode + } + + export interface Builder { + (part: string, node?: AnyNode, type?: 'end' | 'start'): void + } + + export interface Stringifier { + (node: AnyNode, builder: Builder): void + } + + export interface JSONHydrator { + (data: object): Node + (data: object[]): Node[] + } + + export interface Syntax { + /** + * Function to generate AST by string. + */ + parse?: Parser + + /** + * Class to generate string by AST. + */ + stringify?: Stringifier + } + + export interface SourceMapOptions { + /** + * Use absolute path in generated source map. + */ + absolute?: boolean + + /** + * Indicates that PostCSS should add annotation comments to the CSS. + * By default, PostCSS will always add a comment with a path + * to the source map. PostCSS will not add annotations to CSS files + * that do not contain any comments. + * + * By default, PostCSS presumes that you want to save the source map as + * `opts.to + '.map'` and will use this path in the annotation comment. + * A different path can be set by providing a string value for annotation. + * + * If you have set `inline: true`, annotation cannot be disabled. + */ + annotation?: ((file: string, root: Root) => string) | boolean | string + + /** + * Override `from` in map’s sources. + */ + from?: string + + /** + * Indicates that the source map should be embedded in the output CSS + * as a Base64-encoded comment. By default, it is `true`. + * But if all previous maps are external, not inline, PostCSS will not embed + * the map even if you do not set this option. + * + * If you have an inline source map, the result.map property will be empty, + * as the source map will be contained within the text of `result.css`. + */ + inline?: boolean + + /** + * Source map content from a previous processing step (e.g., Sass). + * + * PostCSS will try to read the previous source map + * automatically (based on comments within the source CSS), but you can use + * this option to identify it manually. + * + * If desired, you can omit the previous map with prev: `false`. + */ + prev?: ((file: string) => string) | boolean | object | string + + /** + * Indicates that PostCSS should set the origin content (e.g., Sass source) + * of the source map. By default, it is true. But if all previous maps do not + * contain sources content, PostCSS will also leave it out even if you + * do not set this option. + */ + sourcesContent?: boolean + } + + export interface ProcessOptions { + /** + * Input file if it is not simple CSS file, but HTML with + +`,c=` + +`,f=` + + + + +`,p=` +
+`,l=` + +`,m=` + +`;return s+c+f+p+l+m}cr.createSyntaxDiagramsCode=Iu});var Fa=R(E=>{"use strict";Object.defineProperty(E,"__esModule",{value:!0});E.Parser=E.createSyntaxDiagramsCode=E.clearCache=E.GAstVisitor=E.serializeProduction=E.serializeGrammar=E.Terminal=E.Rule=E.RepetitionWithSeparator=E.RepetitionMandatoryWithSeparator=E.RepetitionMandatory=E.Repetition=E.Option=E.NonTerminal=E.Alternative=E.Alternation=E.defaultLexerErrorProvider=E.NoViableAltException=E.NotAllInputParsedException=E.MismatchedTokenException=E.isRecognitionException=E.EarlyExitException=E.defaultParserErrorProvider=E.tokenName=E.tokenMatcher=E.tokenLabel=E.EOF=E.createTokenInstance=E.createToken=E.LexerDefinitionErrorType=E.Lexer=E.EMPTY_ALT=E.ParserDefinitionErrorType=E.EmbeddedActionsParser=E.CstParser=E.VERSION=void 0;var ku=Er();Object.defineProperty(E,"VERSION",{enumerable:!0,get:function(){return ku.VERSION}});var lr=ce();Object.defineProperty(E,"CstParser",{enumerable:!0,get:function(){return lr.CstParser}});Object.defineProperty(E,"EmbeddedActionsParser",{enumerable:!0,get:function(){return lr.EmbeddedActionsParser}});Object.defineProperty(E,"ParserDefinitionErrorType",{enumerable:!0,get:function(){return lr.ParserDefinitionErrorType}});Object.defineProperty(E,"EMPTY_ALT",{enumerable:!0,get:function(){return lr.EMPTY_ALT}});var Ma=ft();Object.defineProperty(E,"Lexer",{enumerable:!0,get:function(){return Ma.Lexer}});Object.defineProperty(E,"LexerDefinitionErrorType",{enumerable:!0,get:function(){return Ma.LexerDefinitionErrorType}});var nt=Ue();Object.defineProperty(E,"createToken",{enumerable:!0,get:function(){return nt.createToken}});Object.defineProperty(E,"createTokenInstance",{enumerable:!0,get:function(){return nt.createTokenInstance}});Object.defineProperty(E,"EOF",{enumerable:!0,get:function(){return nt.EOF}});Object.defineProperty(E,"tokenLabel",{enumerable:!0,get:function(){return nt.tokenLabel}});Object.defineProperty(E,"tokenMatcher",{enumerable:!0,get:function(){return nt.tokenMatcher}});Object.defineProperty(E,"tokenName",{enumerable:!0,get:function(){return nt.tokenName}});var Pu=mt();Object.defineProperty(E,"defaultParserErrorProvider",{enumerable:!0,get:function(){return Pu.defaultParserErrorProvider}});var Nt=et();Object.defineProperty(E,"EarlyExitException",{enumerable:!0,get:function(){return Nt.EarlyExitException}});Object.defineProperty(E,"isRecognitionException",{enumerable:!0,get:function(){return Nt.isRecognitionException}});Object.defineProperty(E,"MismatchedTokenException",{enumerable:!0,get:function(){return Nt.MismatchedTokenException}});Object.defineProperty(E,"NotAllInputParsedException",{enumerable:!0,get:function(){return Nt.NotAllInputParsedException}});Object.defineProperty(E,"NoViableAltException",{enumerable:!0,get:function(){return Nt.NoViableAltException}});var Su=kr();Object.defineProperty(E,"defaultLexerErrorProvider",{enumerable:!0,get:function(){return Su.defaultLexerErrorProvider}});var Se=ne();Object.defineProperty(E,"Alternation",{enumerable:!0,get:function(){return Se.Alternation}});Object.defineProperty(E,"Alternative",{enumerable:!0,get:function(){return Se.Alternative}});Object.defineProperty(E,"NonTerminal",{enumerable:!0,get:function(){return Se.NonTerminal}});Object.defineProperty(E,"Option",{enumerable:!0,get:function(){return Se.Option}});Object.defineProperty(E,"Repetition",{enumerable:!0,get:function(){return Se.Repetition}});Object.defineProperty(E,"RepetitionMandatory",{enumerable:!0,get:function(){return Se.RepetitionMandatory}});Object.defineProperty(E,"RepetitionMandatoryWithSeparator",{enumerable:!0,get:function(){return Se.RepetitionMandatoryWithSeparator}});Object.defineProperty(E,"RepetitionWithSeparator",{enumerable:!0,get:function(){return Se.RepetitionWithSeparator}});Object.defineProperty(E,"Rule",{enumerable:!0,get:function(){return Se.Rule}});Object.defineProperty(E,"Terminal",{enumerable:!0,get:function(){return Se.Terminal}});var ba=ne();Object.defineProperty(E,"serializeGrammar",{enumerable:!0,get:function(){return ba.serializeGrammar}});Object.defineProperty(E,"serializeProduction",{enumerable:!0,get:function(){return ba.serializeProduction}});var xu=$e();Object.defineProperty(E,"GAstVisitor",{enumerable:!0,get:function(){return xu.GAstVisitor}});function Cu(){console.warn(`The clearCache function was 'soft' removed from the Chevrotain API. + It performs no action other than printing this message. + Please avoid using it as it will be completely removed in the future`)}E.clearCache=Cu;var Lu=La();Object.defineProperty(E,"createSyntaxDiagramsCode",{enumerable:!0,get:function(){return Lu.createSyntaxDiagramsCode}});var Mu=function(){function t(){throw new Error(`The Parser class has been deprecated, use CstParser or EmbeddedActionsParser instead. +See: https://chevrotain.io/docs/changes/BREAKING_CHANGES.html#_7-0-0`)}return t}();E.Parser=Mu});export default Fa(); diff --git a/node_modules/three/examples/jsm/libs/demuxer_mp4.js b/node_modules/three/examples/jsm/libs/demuxer_mp4.js new file mode 100644 index 0000000..d5cd68d --- /dev/null +++ b/node_modules/three/examples/jsm/libs/demuxer_mp4.js @@ -0,0 +1,109 @@ +import MP4Box from 'https://cdn.jsdelivr.net/npm/mp4box@0.5.3/+esm'; + +// From: https://w3c.github.io/webcodecs/samples/video-decode-display/ + +// Wraps an MP4Box File as a WritableStream underlying sink. +class MP4FileSink { + #setStatus = null; + #file = null; + #offset = 0; + + constructor(file, setStatus) { + this.#file = file; + this.#setStatus = setStatus; + } + + write(chunk) { + // MP4Box.js requires buffers to be ArrayBuffers, but we have a Uint8Array. + const buffer = new ArrayBuffer(chunk.byteLength); + new Uint8Array(buffer).set(chunk); + + // Inform MP4Box where in the file this chunk is from. + buffer.fileStart = this.#offset; + this.#offset += buffer.byteLength; + + // Append chunk. + this.#setStatus("fetch", (this.#offset / (1024 ** 2)).toFixed(1) + " MiB"); + this.#file.appendBuffer(buffer); + } + + close() { + this.#setStatus("fetch", "Done"); + this.#file.flush(); + } +} + +// Demuxes the first video track of an MP4 file using MP4Box, calling +// `onConfig()` and `onChunk()` with appropriate WebCodecs objects. +export class MP4Demuxer { + #onConfig = null; + #onChunk = null; + #setStatus = null; + #file = null; + + constructor(uri, {onConfig, onChunk, setStatus}) { + this.#onConfig = onConfig; + this.#onChunk = onChunk; + this.#setStatus = setStatus; + + // Configure an MP4Box File for demuxing. + this.#file = MP4Box.createFile(); + this.#file.onError = error => setStatus("demux", error); + this.#file.onReady = this.#onReady.bind(this); + this.#file.onSamples = this.#onSamples.bind(this); + + // Fetch the file and pipe the data through. + const fileSink = new MP4FileSink(this.#file, setStatus); + fetch(uri).then(response => { + // highWaterMark should be large enough for smooth streaming, but lower is + // better for memory usage. + response.body.pipeTo(new WritableStream(fileSink, {highWaterMark: 2})); + }); + } + + // Get the appropriate `description` for a specific track. Assumes that the + // track is H.264, H.265, VP8, VP9, or AV1. + #description(track) { + const trak = this.#file.getTrackById(track.id); + for (const entry of trak.mdia.minf.stbl.stsd.entries) { + const box = entry.avcC || entry.hvcC || entry.vpcC || entry.av1C; + if (box) { + const stream = new MP4Box.DataStream(undefined, 0, MP4Box.DataStream.BIG_ENDIAN); + box.write(stream); + return new Uint8Array(stream.buffer, 8); // Remove the box header. + } + } + throw new Error("avcC, hvcC, vpcC, or av1C box not found"); + } + + #onReady(info) { + this.#setStatus("demux", "Ready"); + const track = info.videoTracks[0]; + + // Generate and emit an appropriate VideoDecoderConfig. + this.#onConfig({ + // Browser doesn't support parsing full vp8 codec (eg: `vp08.00.41.08`), + // they only support `vp8`. + codec: track.codec.startsWith('vp08') ? 'vp8' : track.codec, + codedHeight: track.video.height, + codedWidth: track.video.width, + description: this.#description(track), + }); + + // Start demuxing. + this.#file.setExtractionOptions(track.id); + this.#file.start(); + } + + #onSamples(track_id, ref, samples) { + // Generate and emit an EncodedVideoChunk for each demuxed sample. + for (const sample of samples) { + this.#onChunk(new EncodedVideoChunk({ + type: sample.is_sync ? "key" : "delta", + timestamp: 1e6 * sample.cts / sample.timescale, + duration: 1e6 * sample.duration / sample.timescale, + data: sample.data + })); + } + } +} diff --git a/node_modules/three/examples/jsm/libs/draco/README.md b/node_modules/three/examples/jsm/libs/draco/README.md new file mode 100644 index 0000000..4d89164 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/draco/README.md @@ -0,0 +1,32 @@ +# Draco 3D Data Compression + +Draco is an open-source library for compressing and decompressing 3D geometric meshes and point clouds. It is intended to improve the storage and transmission of 3D graphics. + +[Website](https://google.github.io/draco/) | [GitHub](https://github.com/google/draco) + +## Contents + +This folder contains three utilities: + +* `draco_decoder.js` — Emscripten-compiled decoder, compatible with any modern browser. +* `draco_decoder.wasm` — WebAssembly decoder, compatible with newer browsers and devices. +* `draco_wasm_wrapper.js` — JavaScript wrapper for the WASM decoder. + +Each file is provided in two variations: + +* **Default:** Latest stable builds, tracking the project's [master branch](https://github.com/google/draco). +* **glTF:** Builds targeted by the [glTF mesh compression extension](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression), tracking the [corresponding Draco branch](https://github.com/google/draco/tree/gltf_2.0_draco_extension). + +Either variation may be used with `DRACOLoader`: + +```js +var dracoLoader = new DRACOLoader(); +dracoLoader.setDecoderPath('path/to/decoders/'); +dracoLoader.setDecoderConfig({type: 'js'}); // (Optional) Override detection of WASM support. +``` + +Further [documentation on GitHub](https://github.com/google/draco/tree/master/javascript/example#static-loading-javascript-decoder). + +## License + +[Apache License 2.0](https://github.com/google/draco/blob/master/LICENSE) diff --git a/node_modules/three/examples/jsm/libs/draco/draco_decoder.js b/node_modules/three/examples/jsm/libs/draco/draco_decoder.js new file mode 100644 index 0000000..6629469 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/draco/draco_decoder.js @@ -0,0 +1,34 @@ + +var DracoDecoderModule = (() => { + var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined; + if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename; + return ( +function(DracoDecoderModule = {}) { + +var Module=typeof DracoDecoderModule!="undefined"?DracoDecoderModule:{};var readyPromiseResolve,readyPromiseReject;Module["ready"]=new Promise(function(resolve,reject){readyPromiseResolve=resolve;readyPromiseReject=reject});var isRuntimeInitialized=false;var isModuleParsed=false;Module["onRuntimeInitialized"]=function(){isRuntimeInitialized=true;if(isModuleParsed){if(typeof Module["onModuleLoaded"]==="function"){Module["onModuleLoaded"](Module)}}};Module["onModuleParsed"]=function(){isModuleParsed=true;if(isRuntimeInitialized){if(typeof Module["onModuleLoaded"]==="function"){Module["onModuleLoaded"](Module)}}};function isVersionSupported(versionString){if(typeof versionString!=="string")return false;const version=versionString.split(".");if(version.length<2||version.length>3)return false;if(version[0]==1&&version[1]>=0&&version[1]<=5)return true;if(version[0]!=0||version[1]>10)return false;return true}Module["isVersionSupported"]=isVersionSupported;var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;function logExceptionOnExit(e){if(e instanceof ExitStatus)return;let toLog=e;err("exiting due to exception: "+toLog)}if(ENVIRONMENT_IS_NODE){var fs=require("fs");var nodePath=require("path");if(ENVIRONMENT_IS_WORKER){scriptDirectory=nodePath.dirname(scriptDirectory)+"/"}else{scriptDirectory=__dirname+"/"}read_=(filename,binary)=>{var ret=tryParseAsDataURI(filename);if(ret){return binary?ret:ret.toString()}filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);return fs.readFileSync(filename,binary?undefined:"utf8")};readBinary=filename=>{var ret=read_(filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}return ret};readAsync=(filename,onload,onerror)=>{var ret=tryParseAsDataURI(filename);if(ret){onload(ret)}filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);fs.readFile(filename,function(err,data){if(err)onerror(err);else onload(data.buffer)})};if(process["argv"].length>1){thisProgram=process["argv"][1].replace(/\\/g,"/")}arguments_=process["argv"].slice(2);quit_=(status,toThrow)=>{if(keepRuntimeAlive()){process["exitCode"]=status;throw toThrow}logExceptionOnExit(toThrow);process["exit"](status)};Module["inspect"]=function(){return"[Emscripten Module object]"}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}else{scriptDirectory=""}{read_=url=>{try{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText}catch(err){var data=tryParseAsDataURI(url);if(data){return intArrayToString(data)}throw err}};if(ENVIRONMENT_IS_WORKER){readBinary=url=>{try{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}catch(err){var data=tryParseAsDataURI(url);if(data){return data}throw err}}}readAsync=(url,onload,onerror)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}var data=tryParseAsDataURI(url);if(data){onload(data.buffer);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}setWindowTitle=title=>document.title=title}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.warn.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["quit"])quit_=Module["quit"];var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];var noExitRuntime=Module["noExitRuntime"]||true;var WebAssembly={Memory:function(opts){this.buffer=new ArrayBuffer(opts["initial"]*65536)},Module:function(binary){},Instance:function(module,info){this.exports=( +// EMSCRIPTEN_START_ASM +function instantiate(na){function c(d){d.set=function(a,b){this[a]=b};d.get=function(a){return this[a]};return d}var e;var f=new Uint8Array(123);for(var 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0:i=wb(B+8|0,3);z=B+664|0;k=H[b+8>>2];n=H[b+12>>2];d=H[b+20>>2];e=H[b+16>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;g:{if(g>>>0>k>>>0&(d|0)>=(n|0)|(d|0)>(n|0)){break g}d=e+H[b>>2]|0;H[i>>2]=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=H[b+20>>2];k=d;g=H[b+16>>2];e=g+4|0;d=e>>>0<4?d+1|0:d;H[b+16>>2]=e;H[b+20>>2]=d;if(K[i>>2]>32){break g}n=H[b+8>>2];s=H[b+12>>2];d=k;g=g+8|0;d=g>>>0<8?d+1|0:d;if(g>>>0>n>>>0&(d|0)>=(s|0)|(d|0)>(s|0)){break g}d=e+H[b>>2]|0;e=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[i+4>>2]=e;g=H[b+20>>2];d=H[b+16>>2]+4|0;g=d>>>0<4?g+1|0:g;H[b+16>>2]=d;H[b+20>>2]=g;if(!e){break g}H[i+8>>2]=0;if(!ua(i+16|0,b)){break g}if(!ua(i+36|0,b)){break g}if(!ua(i+56|0,b)){break g}if(!ua(i+76|0,b)){break g}A=H[i+4>>2];d=0;g=0;f=ca-32|0;ca=f;m=H[i+12>>2];H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;if(m){if(m>>>0>=1073741824){break b}b=m<<2;g=pa(b);H[f+8>>2]=g;d=b+g|0;H[f+16>>2]=d;ra(g,0,b);H[f+12>>2]=d}e=H[i+120>>2];b=H[e>>2];if(b){H[e+4>>2]=b;oa(b);m=H[i+12>>2];g=H[f+8>>2];d=H[f+12>>2]}H[e+4>>2]=d;H[e>>2]=g;H[e+8>>2]=H[f+16>>2];g=0;H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;h:{if(m){if(m>>>0>=1073741824){break b}b=m<<2;w=pa(b);H[f+8>>2]=w;g=b+w|0;H[f+16>>2]=g;ra(w,0,b);H[f+12>>2]=g}d=H[i+132>>2];b=H[d>>2];if(b){H[d+4>>2]=b;oa(b);w=H[f+8>>2];g=H[f+12>>2]}H[d+4>>2]=g;H[d>>2]=w;H[d+8>>2]=H[f+16>>2];H[f+24>>2]=0;H[f+28>>2]=0;H[f+16>>2]=0;H[f+20>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;xa(f+8|0);d=H[f+24>>2]+H[f+28>>2]|0;b=(d>>>0)/341|0;b=H[H[f+12>>2]+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;H[b+4>>2]=0;H[b+8>>2]=0;H[b>>2]=A;m=H[f+28>>2]+1|0;H[f+28>>2]=m;i:{if(!m){break i}y=i+96|0;while(1){n=H[f+12>>2];g=H[f+24>>2];e=m-1|0;d=g+e|0;b=(d>>>0)/341|0;b=H[n+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;o=H[b+8>>2];k=H[b+4>>2];t=H[b>>2];H[f+28>>2]=e;b=H[f+16>>2];if((((b|0)!=(n|0)?N(b-n>>2,341)-1|0:0)-(g+m|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[f+16>>2]=H[f+16>>2]-4}b=0;if(t>>>0>A>>>0){break i}d=H[i+12>>2];m=(k|0)!=(d-1|0)?k+1|0:0;if(m>>>0>=d>>>0){break i}q=N(o,12);p=q+H[i+132>>2]|0;l=q+H[i+120>>2]|0;g=H[i>>2];r=m<<2;e=H[r+H[p>>2]>>2];j:{k:{if((g|0)==(e|0)){if(!t){break k}while(1){d=H[l>>2];x=H[d+8>>2];s=H[d+4>>2];n=H[d>>2];q=H[z>>2];m=H[q+4>>2];d=H[q+8>>2];l:{if(m>>>0>>0){H[m+8>>2]=x;H[m+4>>2]=s;H[m>>2]=n;H[q+4>>2]=m+12;break l}r=H[q>>2];g=(m-r|0)/12|0;k=g+1|0;if(k>>>0>=357913942){break b}e=(d-r|0)/12|0;d=e<<1;k=e>>>0>=178956970?357913941:d>>>0>k>>>0?d:k;if(k){if(k>>>0>=357913942){break a}d=pa(N(k,12))}else{d=0}w=d+N(g,12)|0;H[w+8>>2]=x;H[w+4>>2]=s;H[w>>2]=n;e=w+12|0;if((m|0)!=(r|0)){while(1){w=w-12|0;m=m-12|0;H[w>>2]=H[m>>2];H[w+4>>2]=H[m+4>>2];H[w+8>>2]=H[m+8>>2];if((m|0)!=(r|0)){continue}break}}H[q+8>>2]=d+N(k,12);H[q+4>>2]=e;H[q>>2]=w;if(!r){break l}oa(r)}H[i+8>>2]=H[i+8>>2]+1;b=b+1|0;if((t|0)!=(b|0)){continue}break}break k}m:{n:{o:{p:{if(t>>>0<=2){d=H[i+108>>2];H[d>>2]=m;w=1;g=H[i+12>>2];if(g>>>0>1){break p}break m}if(K[i+8>>2]>K[i+4>>2]){break i}b=H[i+120>>2];s=o+1|0;x=N(s,12);d=b+x|0;if((d|0)!=(l|0)){Aa(d,H[l>>2],H[l+4>>2]);b=H[i+120>>2]}b=r+H[b+x>>2]|0;H[b>>2]=H[b>>2]+(1<>2];e=32-k|0;q:{if((n|0)<=(e|0)){e=H[i+28>>2];if((e|0)==H[i+20>>2]){break o}d=H[e>>2];b=k+n|0;H[i+32>>2]=b;w=d<>>32-n|0;if((b|0)!=32){break q}H[i+32>>2]=0;H[i+28>>2]=e+4;break q}g=H[i+28>>2];b=g+4|0;if((b|0)==H[i+20>>2]){break o}d=H[g>>2];H[i+28>>2]=b;b=n-e|0;H[i+32>>2]=b;w=H[g+4>>2]>>>32-b|d<>>32-n}d=t>>>1|0;if(w>>>0>d>>>0){break i}break n}while(1){m=(g-1|0)!=(m|0)?m+1|0:0;H[d+(w<<2)>>2]=m;g=H[i+12>>2];w=w+1|0;if(g>>>0>w>>>0){continue}break}break m}d=t>>>1|0;w=0}r:{s:{e=d-w|0;b=t-e|0;t:{if((b|0)==(e|0)){b=e;break t}n=H[i+88>>2];if((n|0)==H[i+80>>2]){break s}k=H[n>>2];g=H[i+92>>2];d=g+1|0;H[i+92>>2]=d;g=k&-2147483648>>>g;u:{if((d|0)==32){H[i+92>>2]=0;H[i+88>>2]=n+4;if(g){break u}break s}if(!g){break s}}}d=b;b=e;break r}d=e}n=H[i+132>>2];k=n+q|0;g=H[k>>2];e=g+r|0;H[e>>2]=H[e>>2]+1;Aa(n+x|0,g,H[k+4>>2]);if(b){g=H[f+28>>2]+H[f+24>>2]|0;e=H[f+16>>2];w=H[f+12>>2];if((g|0)==(((e|0)!=(w|0)?N(e-w>>2,341)-1|0:0)|0)){xa(f+8|0);w=H[f+12>>2];g=H[f+24>>2]+H[f+28>>2]|0}e=(g>>>0)/341|0;e=H[(e<<2)+w>>2]+N(g-N(e,341)|0,12)|0;H[e+8>>2]=o;H[e+4>>2]=m;H[e>>2]=b;H[f+28>>2]=H[f+28>>2]+1}if(!d){break k}g=H[f+28>>2]+H[f+24>>2]|0;b=H[f+16>>2];w=H[f+12>>2];if((g|0)==(((b|0)!=(w|0)?N(b-w>>2,341)-1|0:0)|0)){xa(f+8|0);w=H[f+12>>2];g=H[f+24>>2]+H[f+28>>2]|0}b=(g>>>0)/341|0;b=H[(b<<2)+w>>2]+N(g-N(b,341)|0,12)|0;H[b+8>>2]=s;H[b+4>>2]=m;H[b>>2]=d;m=H[f+28>>2]+1|0;H[f+28>>2]=m;break j}if(!t){break k}while(1){if(H[i+12>>2]){o=H[i+40>>2];n=H[p>>2];w=H[i+96>>2];k=H[i+108>>2];m=0;while(1){q=k+(m<<2)|0;H[w+(H[q>>2]<<2)>>2]=0;g=H[i>>2];e=H[q>>2]<<2;d=H[e+n>>2];v:{if((g|0)==(d|0)){break v}r=e+w|0;u=g-d|0;x=H[i+52>>2];g=32-x|0;if((u|0)<=(g|0)){e=H[i+48>>2];if((e|0)==(o|0)){break i}H[r>>2]=H[e>>2]<>>32-u;d=u+H[i+52>>2]|0;H[i+52>>2]=d;if((d|0)!=32){break v}H[i+52>>2]=0;H[i+48>>2]=e+4;break v}s=H[i+48>>2];d=s+4|0;if((d|0)==(o|0)){break i}e=H[s>>2];H[i+48>>2]=d;d=u-g|0;H[i+52>>2]=d;H[r>>2]=H[s+4>>2]>>>32-d|e<>>32-u}e=H[q>>2]<<2;d=e+w|0;H[d>>2]=H[d>>2]|H[e+H[l>>2]>>2];m=m+1|0;if(m>>>0>2]){continue}break}}jb(z,y);H[i+8>>2]=H[i+8>>2]+1;b=b+1|0;if((t|0)!=(b|0)){continue}break}}m=H[f+28>>2]}if(m){continue}break}}H[f+28>>2]=0;w=H[f+16>>2];m=H[f+12>>2];g=w-m|0;if(g>>>0>=9){while(1){oa(H[m>>2]);m=H[f+12>>2]+4|0;H[f+12>>2]=m;w=H[f+16>>2];g=w-m|0;if(g>>>0>8){continue}break}}b=170;w:{switch((g>>>2|0)-1|0){case 1:b=341;case 0:H[f+24>>2]=b;break;default:break w}}x:{if((m|0)==(w|0)){break x}while(1){oa(H[m>>2]);m=m+4|0;if((w|0)!=(m|0)){continue}break}d=H[f+16>>2];b=H[f+12>>2];if((d|0)==(b|0)){break x}H[f+16>>2]=d+((b-d|0)+3&-4)}b=H[f+8>>2];if(b){oa(b)}ca=f+32|0;break h}}xb(i);break d;case 1:i=wb(B+8|0,3);A=B+664|0;k=H[b+8>>2];n=H[b+12>>2];d=H[b+20>>2];e=H[b+16>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;y:{if(g>>>0>k>>>0&(d|0)>=(n|0)|(d|0)>(n|0)){break y}d=e+H[b>>2]|0;H[i>>2]=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=H[b+20>>2];k=d;g=H[b+16>>2];e=g+4|0;d=e>>>0<4?d+1|0:d;H[b+16>>2]=e;H[b+20>>2]=d;if(K[i>>2]>32){break y}n=H[b+8>>2];s=H[b+12>>2];d=k;g=g+8|0;d=g>>>0<8?d+1|0:d;if(g>>>0>n>>>0&(d|0)>=(s|0)|(d|0)>(s|0)){break y}d=e+H[b>>2]|0;e=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[i+4>>2]=e;g=H[b+20>>2];d=H[b+16>>2]+4|0;g=d>>>0<4?g+1|0:g;H[b+16>>2]=d;H[b+20>>2]=g;if(!e){break y}H[i+8>>2]=0;if(!ua(i+16|0,b)){break y}if(!ua(i+36|0,b)){break y}if(!ua(i+56|0,b)){break y}if(!ua(i+76|0,b)){break y}p=H[i+4>>2];d=0;f=ca-32|0;ca=f;m=H[i+12>>2];H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;if(m){if(m>>>0>=1073741824){break b}b=m<<2;t=pa(b);H[f+8>>2]=t;d=b+t|0;H[f+16>>2]=d;ra(t,0,b);H[f+12>>2]=d}e=H[i+120>>2];b=H[e>>2];if(b){H[e+4>>2]=b;oa(b);m=H[i+12>>2];t=H[f+8>>2];d=H[f+12>>2]}H[e+4>>2]=d;H[e>>2]=t;H[e+8>>2]=H[f+16>>2];t=0;H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;z:{if(m){if(m>>>0>=1073741824){break b}b=m<<2;o=pa(b);H[f+8>>2]=o;t=b+o|0;H[f+16>>2]=t;ra(o,0,b);H[f+12>>2]=t}d=H[i+132>>2];b=H[d>>2];if(b){H[d+4>>2]=b;oa(b);t=H[f+12>>2];o=H[f+8>>2]}H[d+4>>2]=t;H[d>>2]=o;H[d+8>>2]=H[f+16>>2];H[f+24>>2]=0;H[f+28>>2]=0;H[f+16>>2]=0;H[f+20>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;xa(f+8|0);d=H[f+24>>2]+H[f+28>>2]|0;b=(d>>>0)/341|0;b=H[H[f+12>>2]+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;H[b+4>>2]=0;H[b+8>>2]=0;H[b>>2]=p;m=H[f+28>>2]+1|0;H[f+28>>2]=m;A:{if(!m){break A}s=i+96|0;while(1){k=H[f+12>>2];g=H[f+24>>2];e=m-1|0;d=g+e|0;b=(d>>>0)/341|0;b=H[k+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;q=H[b+8>>2];d=H[b+4>>2];l=H[b>>2];H[f+28>>2]=e;b=H[f+16>>2];if((((b|0)!=(k|0)?N(b-k>>2,341)-1|0:0)-(g+m|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[f+16>>2]=H[f+16>>2]-4}if(l>>>0>p>>>0){break A}b=H[i+12>>2];m=(d|0)!=(b-1|0)?d+1|0:0;if(m>>>0>=b>>>0){break A}b=H[i+120>>2];r=N(q,12);u=b+r|0;e=H[i>>2];x=m<<2;n=r+H[i+132>>2]|0;d=H[x+H[n>>2]>>2];B:{C:{if((e|0)==(d|0)){x=0;if(!l){break C}while(1){b=H[u>>2];y=H[b+8>>2];n=H[b+4>>2];k=H[b>>2];q=H[A>>2];m=H[q+4>>2];b=H[q+8>>2];D:{if(m>>>0>>0){H[m+8>>2]=y;H[m+4>>2]=n;H[m>>2]=k;H[q+4>>2]=m+12;break D}r=H[q>>2];e=(m-r|0)/12|0;g=e+1|0;if(g>>>0>=357913942){break b}d=(b-r|0)/12|0;b=d<<1;g=d>>>0>=178956970?357913941:b>>>0>g>>>0?b:g;if(g){if(g>>>0>=357913942){break a}b=pa(N(g,12))}else{b=0}o=b+N(e,12)|0;H[o+8>>2]=y;H[o+4>>2]=n;H[o>>2]=k;d=o+12|0;if((m|0)!=(r|0)){while(1){o=o-12|0;m=m-12|0;H[o>>2]=H[m>>2];H[o+4>>2]=H[m+4>>2];H[o+8>>2]=H[m+8>>2];if((m|0)!=(r|0)){continue}break}}H[q+8>>2]=b+N(g,12);H[q+4>>2]=d;H[q>>2]=o;if(!r){break D}oa(r)}H[i+8>>2]=H[i+8>>2]+1;x=x+1|0;if((l|0)!=(x|0)){continue}break}break C}E:{F:{G:{H:{if(l>>>0<=2){b=H[i+108>>2];H[b>>2]=m;o=1;t=H[i+12>>2];if(t>>>0>1){break H}break E}if(K[i+8>>2]>K[i+4>>2]){break A}k=b;b=r+12|0;Aa(k+b|0,H[u>>2],H[u+4>>2]);b=x+H[b+H[i+120>>2]>>2]|0;H[b>>2]=H[b>>2]+(1<>2];e=32-k|0;I:{if((n|0)<=(e|0)){e=H[i+28>>2];if((e|0)==H[i+20>>2]){break G}d=H[e>>2];b=k+n|0;H[i+32>>2]=b;d=d<>>32-n|0;if((b|0)!=32){break I}H[i+32>>2]=0;H[i+28>>2]=e+4;break I}g=H[i+28>>2];b=g+4|0;if((b|0)==H[i+20>>2]){break G}d=H[g>>2];H[i+28>>2]=b;b=n-e|0;H[i+32>>2]=b;d=H[g+4>>2]>>>32-b|d<>>32-n}o=l>>>1|0;if(o>>>0>>0){break A}break F}while(1){m=(t-1|0)!=(m|0)?m+1|0:0;H[b+(o<<2)>>2]=m;o=o+1|0;t=H[i+12>>2];if(o>>>0>>0){continue}break}break E}o=l>>>1|0;d=0}y=q+1|0;J:{K:{e=o-d|0;d=l-e|0;L:{if((d|0)==(e|0)){b=e;break L}n=H[i+88>>2];if((n|0)==H[i+80>>2]){break K}k=H[n>>2];g=H[i+92>>2];b=g+1|0;H[i+92>>2]=b;g=k&-2147483648>>>g;M:{if((b|0)==32){H[i+92>>2]=0;H[i+88>>2]=n+4;if(g){break M}break K}if(!g){break K}}b=d}d=e;break J}b=e}n=H[i+132>>2];k=n+r|0;g=H[k>>2];e=g+x|0;H[e>>2]=H[e>>2]+1;Aa(n+N(y,12)|0,g,H[k+4>>2]);if(d){t=H[f+28>>2]+H[f+24>>2]|0;e=H[f+16>>2];o=H[f+12>>2];if((t|0)==(((e|0)!=(o|0)?N(e-o>>2,341)-1|0:0)|0)){xa(f+8|0);t=H[f+24>>2]+H[f+28>>2]|0;o=H[f+12>>2]}e=(t>>>0)/341|0;e=H[o+(e<<2)>>2]+N(t-N(e,341)|0,12)|0;H[e+8>>2]=q;H[e+4>>2]=m;H[e>>2]=d;H[f+28>>2]=H[f+28>>2]+1}if(!b){break C}t=H[f+28>>2]+H[f+24>>2]|0;d=H[f+16>>2];o=H[f+12>>2];if((t|0)==(((d|0)!=(o|0)?N(d-o>>2,341)-1|0:0)|0)){xa(f+8|0);t=H[f+24>>2]+H[f+28>>2]|0;o=H[f+12>>2]}d=(t>>>0)/341|0;d=H[o+(d<<2)>>2]+N(t-N(d,341)|0,12)|0;H[d+8>>2]=y;H[d+4>>2]=m;H[d>>2]=b;m=H[f+28>>2]+1|0;H[f+28>>2]=m;break B}t=0;if(!l){break C}while(1){if(H[i+12>>2]){o=H[i+40>>2];k=H[n>>2];z=H[i+96>>2];g=H[i+108>>2];m=0;while(1){q=g+(m<<2)|0;H[z+(H[q>>2]<<2)>>2]=0;e=H[i>>2];d=H[q>>2]<<2;b=H[d+k>>2];N:{if((e|0)==(b|0)){break N}r=d+z|0;w=e-b|0;x=H[i+52>>2];e=32-x|0;if((w|0)<=(e|0)){d=H[i+48>>2];if((d|0)==(o|0)){break A}H[r>>2]=H[d>>2]<>>32-w;b=w+H[i+52>>2]|0;H[i+52>>2]=b;if((b|0)!=32){break N}H[i+52>>2]=0;H[i+48>>2]=d+4;break N}y=H[i+48>>2];b=y+4|0;if((b|0)==(o|0)){break A}d=H[y>>2];H[i+48>>2]=b;b=w-e|0;H[i+52>>2]=b;H[r>>2]=H[y+4>>2]>>>32-b|d<>>32-w}d=H[q>>2]<<2;b=d+z|0;H[b>>2]=H[b>>2]|H[d+H[u>>2]>>2];m=m+1|0;if(m>>>0>2]){continue}break}}jb(A,s);H[i+8>>2]=H[i+8>>2]+1;t=t+1|0;if((l|0)!=(t|0)){continue}break}}m=H[f+28>>2]}if(m){continue}break}}H[f+28>>2]=0;o=H[f+16>>2];m=H[f+12>>2];t=o-m|0;if(t>>>0>=9){while(1){oa(H[m>>2]);m=H[f+12>>2]+4|0;H[f+12>>2]=m;o=H[f+16>>2];t=o-m|0;if(t>>>0>8){continue}break}}b=170;O:{switch((t>>>2|0)-1|0){case 1:b=341;case 0:H[f+24>>2]=b;break;default:break O}}P:{if((m|0)==(o|0)){break P}while(1){oa(H[m>>2]);m=m+4|0;if((o|0)!=(m|0)){continue}break}d=H[f+16>>2];b=H[f+12>>2];if((d|0)==(b|0)){break P}H[f+16>>2]=d+((b-d|0)+3&-4)}b=H[f+8>>2];if(b){oa(b)}ca=f+32|0;break z}}xb(i);break d;case 2:f=ub(B+8|0,3);w=B+664|0;k=H[b+8>>2];n=H[b+12>>2];d=H[b+20>>2];e=H[b+16>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;Q:{if(g>>>0>k>>>0&(d|0)>=(n|0)|(d|0)>(n|0)){break Q}d=e+H[b>>2]|0;H[f>>2]=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=H[b+20>>2];k=d;g=H[b+16>>2];e=g+4|0;d=e>>>0<4?d+1|0:d;H[b+16>>2]=e;H[b+20>>2]=d;if(K[f>>2]>32){break Q}n=H[b+8>>2];s=H[b+12>>2];d=k;g=g+8|0;d=g>>>0<8?d+1|0:d;if(g>>>0>n>>>0&(d|0)>=(s|0)|(d|0)>(s|0)){break Q}d=e+H[b>>2]|0;e=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[f+4>>2]=e;g=H[b+20>>2];d=H[b+16>>2]+4|0;g=d>>>0<4?g+1|0:g;H[b+16>>2]=d;H[b+20>>2]=g;if(!e){break Q}H[f+8>>2]=0;if(!ta(f+16|0,b)){break Q}if(!ua(f+32|0,b)){break Q}if(!ua(f+52|0,b)){break Q}if(!ua(f+72|0,b)){break Q}z=H[f+4>>2];g=0;b=0;h=ca-32|0;ca=h;j=H[f+12>>2];H[h+16>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;if(j){if(j>>>0>=1073741824){break b}d=j<<2;g=pa(d);H[h+8>>2]=g;b=d+g|0;H[h+16>>2]=b;ra(g,0,d);H[h+12>>2]=b}e=H[f+116>>2];d=H[e>>2];if(d){H[e+4>>2]=d;oa(d);j=H[f+12>>2];g=H[h+8>>2];b=H[h+12>>2]}H[e+4>>2]=b;H[e>>2]=g;H[e+8>>2]=H[h+16>>2];g=0;H[h+16>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;R:{if(j){if(j>>>0>=1073741824){break b}b=j<<2;u=pa(b);H[h+8>>2]=u;g=b+u|0;H[h+16>>2]=g;ra(u,0,b);H[h+12>>2]=g}d=H[f+128>>2];b=H[d>>2];if(b){H[d+4>>2]=b;oa(b);u=H[h+8>>2];g=H[h+12>>2]}H[d+4>>2]=g;H[d>>2]=u;H[d+8>>2]=H[h+16>>2];H[h+24>>2]=0;H[h+28>>2]=0;H[h+16>>2]=0;H[h+20>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;xa(h+8|0);d=H[h+24>>2]+H[h+28>>2]|0;b=(d>>>0)/341|0;b=H[H[h+12>>2]+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;H[b+4>>2]=0;H[b+8>>2]=0;H[b>>2]=z;j=H[h+28>>2]+1|0;H[h+28>>2]=j;S:{if(!j){break S}x=f+92|0;y=f+16|0;while(1){n=H[h+12>>2];g=H[h+24>>2];e=j-1|0;d=g+e|0;b=(d>>>0)/341|0;b=H[n+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;p=H[b+8>>2];k=H[b+4>>2];i=H[b>>2];H[h+28>>2]=e;b=H[h+16>>2];if((((b|0)!=(n|0)?N(b-n>>2,341)-1|0:0)-(g+j|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[h+16>>2]=H[h+16>>2]-4}d=0;if(i>>>0>z>>>0){break S}b=H[f+12>>2];j=(k|0)!=(b-1|0)?k+1|0:0;if(j>>>0>=b>>>0){break S}o=N(p,12);A=o+H[f+128>>2]|0;t=o+H[f+116>>2]|0;g=H[f>>2];q=j<<2;e=H[q+H[A>>2]>>2];T:{if((g|0)==(e|0)){if(!i){break T}while(1){b=H[t>>2];r=H[b+8>>2];s=H[b+4>>2];n=H[b>>2];o=H[w>>2];j=H[o+4>>2];b=H[o+8>>2];U:{if(j>>>0>>0){H[j+8>>2]=r;H[j+4>>2]=s;H[j>>2]=n;H[o+4>>2]=j+12;break U}q=H[o>>2];g=(j-q|0)/12|0;k=g+1|0;if(k>>>0>=357913942){break b}e=(b-q|0)/12|0;b=e<<1;k=e>>>0>=178956970?357913941:b>>>0>k>>>0?b:k;if(k){if(k>>>0>=357913942){break a}b=pa(N(k,12))}else{b=0}u=b+N(g,12)|0;H[u+8>>2]=r;H[u+4>>2]=s;H[u>>2]=n;e=u+12|0;if((j|0)!=(q|0)){while(1){u=u-12|0;j=j-12|0;H[u>>2]=H[j>>2];H[u+4>>2]=H[j+4>>2];H[u+8>>2]=H[j+8>>2];if((j|0)!=(q|0)){continue}break}}H[o+8>>2]=b+N(k,12);H[o+4>>2]=e;H[o>>2]=u;if(!q){break U}oa(q)}H[f+8>>2]=H[f+8>>2]+1;d=d+1|0;if((i|0)!=(d|0)){continue}break}break T}V:{W:{X:{Y:{if(i>>>0<=2){b=H[f+104>>2];H[b>>2]=j;u=1;g=H[f+12>>2];if(g>>>0>1){break Y}break V}if(K[f+8>>2]>K[f+4>>2]){break S}b=H[f+116>>2];s=p+1|0;r=N(s,12);d=b+r|0;if((d|0)!=(t|0)){Aa(d,H[t>>2],H[t+4>>2]);b=H[f+116>>2]}b=q+H[b+r>>2]|0;H[b>>2]=H[b>>2]+(1<>2]=0;pc(y,Q(i)^31,h+4|0);d=i>>>1|0;b=H[h+4>>2];if(d>>>0>>0){break S}e=d-b|0;d=i-e|0;Z:{if((d|0)==(e|0)){b=e;break Z}n=H[f+84>>2];if((n|0)==H[f+76>>2]){break X}k=H[n>>2];g=H[f+88>>2];b=g+1|0;H[f+88>>2]=b;g=k&-2147483648>>>g;_:{if((b|0)==32){H[f+88>>2]=0;H[f+84>>2]=n+4;if(g){break _}break X}if(!g){break X}}b=d}d=e;break W}while(1){j=(g-1|0)!=(j|0)?j+1|0:0;H[b+(u<<2)>>2]=j;g=H[f+12>>2];u=u+1|0;if(g>>>0>u>>>0){continue}break}break V}b=e}n=H[f+128>>2];k=n+o|0;g=H[k>>2];e=g+q|0;H[e>>2]=H[e>>2]+1;Aa(n+r|0,g,H[k+4>>2]);if(d){g=H[h+28>>2]+H[h+24>>2]|0;e=H[h+16>>2];u=H[h+12>>2];if((g|0)==(((e|0)!=(u|0)?N(e-u>>2,341)-1|0:0)|0)){xa(h+8|0);u=H[h+12>>2];g=H[h+24>>2]+H[h+28>>2]|0}e=(g>>>0)/341|0;e=H[(e<<2)+u>>2]+N(g-N(e,341)|0,12)|0;H[e+8>>2]=p;H[e+4>>2]=j;H[e>>2]=d;H[h+28>>2]=H[h+28>>2]+1}if(!b){break T}g=H[h+28>>2]+H[h+24>>2]|0;d=H[h+16>>2];u=H[h+12>>2];if((g|0)==(((d|0)!=(u|0)?N(d-u>>2,341)-1|0:0)|0)){xa(h+8|0);u=H[h+12>>2];g=H[h+24>>2]+H[h+28>>2]|0}d=(g>>>0)/341|0;d=H[(d<<2)+u>>2]+N(g-N(d,341)|0,12)|0;H[d+8>>2]=s;H[d+4>>2]=j;H[d>>2]=b;H[h+28>>2]=H[h+28>>2]+1;break T}if(!i){break T}while(1){if(H[f+12>>2]){p=H[f+36>>2];n=H[A>>2];u=H[f+92>>2];k=H[f+104>>2];j=0;while(1){o=k+(j<<2)|0;H[u+(H[o>>2]<<2)>>2]=0;g=H[f>>2];e=H[o>>2]<<2;b=H[e+n>>2];$:{if((g|0)==(b|0)){break $}q=e+u|0;l=g-b|0;r=H[f+48>>2];g=32-r|0;if((l|0)<=(g|0)){e=H[f+44>>2];if((e|0)==(p|0)){break S}H[q>>2]=H[e>>2]<>>32-l;b=l+H[f+48>>2]|0;H[f+48>>2]=b;if((b|0)!=32){break $}H[f+48>>2]=0;H[f+44>>2]=e+4;break $}s=H[f+44>>2];b=s+4|0;if((b|0)==(p|0)){break S}e=H[s>>2];H[f+44>>2]=b;b=l-g|0;H[f+48>>2]=b;H[q>>2]=H[s+4>>2]>>>32-b|e<>>32-l}e=H[o>>2]<<2;b=e+u|0;H[b>>2]=H[b>>2]|H[e+H[t>>2]>>2];j=j+1|0;if(j>>>0>2]){continue}break}}jb(w,x);H[f+8>>2]=H[f+8>>2]+1;d=d+1|0;if((i|0)!=(d|0)){continue}break}}j=H[h+28>>2];if(j){continue}break}}H[h+28>>2]=0;u=H[h+16>>2];j=H[h+12>>2];g=u-j|0;if(g>>>0>=9){while(1){oa(H[j>>2]);j=H[h+12>>2]+4|0;H[h+12>>2]=j;u=H[h+16>>2];g=u-j|0;if(g>>>0>8){continue}break}}b=170;aa:{switch((g>>>2|0)-1|0){case 1:b=341;case 0:H[h+24>>2]=b;break;default:break aa}}ba:{if((j|0)==(u|0)){break ba}while(1){oa(H[j>>2]);j=j+4|0;if((u|0)!=(j|0)){continue}break}d=H[h+16>>2];b=H[h+12>>2];if((d|0)==(b|0)){break ba}H[h+16>>2]=d+((b-d|0)+3&-4)}b=H[h+8>>2];if(b){oa(b)}ca=h+32|0;break R}}vb(f);break d;case 3:i=ub(B+8|0,3);z=B+664|0;k=H[b+8>>2];n=H[b+12>>2];d=H[b+20>>2];e=H[b+16>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;ca:{if(g>>>0>k>>>0&(d|0)>=(n|0)|(d|0)>(n|0)){break ca}d=e+H[b>>2]|0;H[i>>2]=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=H[b+20>>2];k=d;g=H[b+16>>2];e=g+4|0;d=e>>>0<4?d+1|0:d;H[b+16>>2]=e;H[b+20>>2]=d;if(K[i>>2]>32){break ca}n=H[b+8>>2];s=H[b+12>>2];d=k;g=g+8|0;d=g>>>0<8?d+1|0:d;if(g>>>0>n>>>0&(d|0)>=(s|0)|(d|0)>(s|0)){break ca}d=e+H[b>>2]|0;e=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[i+4>>2]=e;g=H[b+20>>2];d=H[b+16>>2]+4|0;g=d>>>0<4?g+1|0:g;H[b+16>>2]=d;H[b+20>>2]=g;if(!e){break ca}H[i+8>>2]=0;if(!ta(i+16|0,b)){break ca}if(!ua(i+32|0,b)){break ca}if(!ua(i+52|0,b)){break ca}if(!ua(i+72|0,b)){break ca}A=H[i+4>>2];d=0;f=ca-32|0;ca=f;j=H[i+12>>2];H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;if(j){if(j>>>0>=1073741824){break b}b=j<<2;m=pa(b);H[f+8>>2]=m;d=b+m|0;H[f+16>>2]=d;ra(m,0,b);H[f+12>>2]=d}e=H[i+116>>2];b=H[e>>2];if(b){H[e+4>>2]=b;oa(b);j=H[i+12>>2];m=H[f+8>>2];d=H[f+12>>2]}H[e+4>>2]=d;H[e>>2]=m;H[e+8>>2]=H[f+16>>2];m=0;H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;da:{if(j){if(j>>>0>=1073741824){break b}b=j<<2;p=pa(b);H[f+8>>2]=p;m=b+p|0;H[f+16>>2]=m;ra(p,0,b);H[f+12>>2]=m}d=H[i+128>>2];b=H[d>>2];if(b){H[d+4>>2]=b;oa(b);m=H[f+12>>2];p=H[f+8>>2]}H[d+4>>2]=m;H[d>>2]=p;H[d+8>>2]=H[f+16>>2];H[f+24>>2]=0;H[f+28>>2]=0;H[f+16>>2]=0;H[f+20>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;xa(f+8|0);d=H[f+24>>2]+H[f+28>>2]|0;b=(d>>>0)/341|0;b=H[H[f+12>>2]+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;H[b+4>>2]=0;H[b+8>>2]=0;H[b>>2]=A;j=H[f+28>>2]+1|0;H[f+28>>2]=j;ea:{if(!j){break ea}y=i+92|0;s=i+16|0;while(1){k=H[f+12>>2];g=H[f+24>>2];e=j-1|0;d=g+e|0;b=(d>>>0)/341|0;b=H[k+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;o=H[b+8>>2];d=H[b+4>>2];t=H[b>>2];H[f+28>>2]=e;b=H[f+16>>2];if((((b|0)!=(k|0)?N(b-k>>2,341)-1|0:0)-(g+j|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[f+16>>2]=H[f+16>>2]-4}if(t>>>0>A>>>0){break ea}b=H[i+12>>2];j=(d|0)!=(b-1|0)?d+1|0:0;if(j>>>0>=b>>>0){break ea}b=H[i+116>>2];q=N(o,12);l=b+q|0;e=H[i>>2];r=j<<2;n=q+H[i+128>>2]|0;d=H[r+H[n>>2]>>2];fa:{if((e|0)==(d|0)){r=0;if(!t){break fa}while(1){b=H[l>>2];x=H[b+8>>2];n=H[b+4>>2];k=H[b>>2];o=H[z>>2];j=H[o+4>>2];b=H[o+8>>2];ga:{if(j>>>0>>0){H[j+8>>2]=x;H[j+4>>2]=n;H[j>>2]=k;H[o+4>>2]=j+12;break ga}q=H[o>>2];e=(j-q|0)/12|0;g=e+1|0;if(g>>>0>=357913942){break b}d=(b-q|0)/12|0;b=d<<1;g=d>>>0>=178956970?357913941:b>>>0>g>>>0?b:g;if(g){if(g>>>0>=357913942){break a}b=pa(N(g,12))}else{b=0}p=b+N(e,12)|0;H[p+8>>2]=x;H[p+4>>2]=n;H[p>>2]=k;d=p+12|0;if((j|0)!=(q|0)){while(1){p=p-12|0;j=j-12|0;H[p>>2]=H[j>>2];H[p+4>>2]=H[j+4>>2];H[p+8>>2]=H[j+8>>2];if((j|0)!=(q|0)){continue}break}}H[o+8>>2]=b+N(g,12);H[o+4>>2]=d;H[o>>2]=p;if(!q){break ga}oa(q)}H[i+8>>2]=H[i+8>>2]+1;r=r+1|0;if((t|0)!=(r|0)){continue}break}break fa}ha:{ia:{ja:{ka:{if(t>>>0<=2){b=H[i+104>>2];H[b>>2]=j;p=1;m=H[i+12>>2];if(m>>>0>1){break ka}break ha}if(K[i+8>>2]>K[i+4>>2]){break ea}k=b;b=q+12|0;Aa(k+b|0,H[l>>2],H[l+4>>2]);b=r+H[b+H[i+116>>2]>>2]|0;H[b>>2]=H[b>>2]+(1<>2]=0;pc(s,Q(t)^31,f+4|0);d=t>>>1|0;b=H[f+4>>2];if(d>>>0>>0){break ea}x=o+1|0;e=d-b|0;d=t-e|0;la:{if((d|0)==(e|0)){b=e;break la}n=H[i+84>>2];if((n|0)==H[i+76>>2]){break ja}k=H[n>>2];g=H[i+88>>2];b=g+1|0;H[i+88>>2]=b;g=k&-2147483648>>>g;ma:{if((b|0)==32){H[i+88>>2]=0;H[i+84>>2]=n+4;if(g){break ma}break ja}if(!g){break ja}}b=d}d=e;break ia}while(1){j=(m-1|0)!=(j|0)?j+1|0:0;H[b+(p<<2)>>2]=j;m=H[i+12>>2];p=p+1|0;if(m>>>0>p>>>0){continue}break}break ha}b=e}n=H[i+128>>2];k=n+q|0;g=H[k>>2];e=g+r|0;H[e>>2]=H[e>>2]+1;Aa(n+N(x,12)|0,g,H[k+4>>2]);if(d){m=H[f+28>>2]+H[f+24>>2]|0;e=H[f+16>>2];p=H[f+12>>2];if((m|0)==(((e|0)!=(p|0)?N(e-p>>2,341)-1|0:0)|0)){xa(f+8|0);m=H[f+24>>2]+H[f+28>>2]|0;p=H[f+12>>2]}e=(m>>>0)/341|0;e=H[p+(e<<2)>>2]+N(m-N(e,341)|0,12)|0;H[e+8>>2]=o;H[e+4>>2]=j;H[e>>2]=d;H[f+28>>2]=H[f+28>>2]+1}if(!b){break fa}m=H[f+28>>2]+H[f+24>>2]|0;d=H[f+16>>2];p=H[f+12>>2];if((m|0)==(((d|0)!=(p|0)?N(d-p>>2,341)-1|0:0)|0)){xa(f+8|0);m=H[f+24>>2]+H[f+28>>2]|0;p=H[f+12>>2]}d=(m>>>0)/341|0;d=H[p+(d<<2)>>2]+N(m-N(d,341)|0,12)|0;H[d+8>>2]=x;H[d+4>>2]=j;H[d>>2]=b;H[f+28>>2]=H[f+28>>2]+1;break fa}m=0;if(!t){break fa}while(1){if(H[i+12>>2]){p=H[i+36>>2];k=H[n>>2];w=H[i+92>>2];g=H[i+104>>2];j=0;while(1){o=g+(j<<2)|0;H[w+(H[o>>2]<<2)>>2]=0;e=H[i>>2];d=H[o>>2]<<2;b=H[d+k>>2];na:{if((e|0)==(b|0)){break na}q=d+w|0;u=e-b|0;r=H[i+48>>2];e=32-r|0;if((u|0)<=(e|0)){d=H[i+44>>2];if((d|0)==(p|0)){break ea}H[q>>2]=H[d>>2]<>>32-u;b=u+H[i+48>>2]|0;H[i+48>>2]=b;if((b|0)!=32){break na}H[i+48>>2]=0;H[i+44>>2]=d+4;break na}x=H[i+44>>2];b=x+4|0;if((b|0)==(p|0)){break ea}d=H[x>>2];H[i+44>>2]=b;b=u-e|0;H[i+48>>2]=b;H[q>>2]=H[x+4>>2]>>>32-b|d<>>32-u}d=H[o>>2]<<2;b=d+w|0;H[b>>2]=H[b>>2]|H[d+H[l>>2]>>2];j=j+1|0;if(j>>>0>2]){continue}break}}jb(z,y);H[i+8>>2]=H[i+8>>2]+1;m=m+1|0;if((t|0)!=(m|0)){continue}break}}j=H[f+28>>2];if(j){continue}break}}H[f+28>>2]=0;p=H[f+16>>2];j=H[f+12>>2];m=p-j|0;if(m>>>0>=9){while(1){oa(H[j>>2]);j=H[f+12>>2]+4|0;H[f+12>>2]=j;p=H[f+16>>2];m=p-j|0;if(m>>>0>8){continue}break}}b=170;oa:{switch((m>>>2|0)-1|0){case 1:b=341;case 0:H[f+24>>2]=b;break;default:break oa}}pa:{if((j|0)==(p|0)){break pa}while(1){oa(H[j>>2]);j=j+4|0;if((p|0)!=(j|0)){continue}break}d=H[f+16>>2];b=H[f+12>>2];if((d|0)==(b|0)){break pa}H[f+16>>2]=d+((b-d|0)+3&-4)}b=H[f+8>>2];if(b){oa(b)}ca=f+32|0;break da}}vb(i);break d;case 4:f=$a(B+8|0,3);w=B+664|0;k=H[b+8>>2];n=H[b+12>>2];d=H[b+20>>2];e=H[b+16>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;qa:{if(g>>>0>k>>>0&(d|0)>=(n|0)|(d|0)>(n|0)){break qa}d=e+H[b>>2]|0;H[f>>2]=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=H[b+20>>2];k=d;g=H[b+16>>2];e=g+4|0;d=e>>>0<4?d+1|0:d;H[b+16>>2]=e;H[b+20>>2]=d;if(K[f>>2]>32){break qa}n=H[b+8>>2];s=H[b+12>>2];d=k;g=g+8|0;d=g>>>0<8?d+1|0:d;if(g>>>0>n>>>0&(d|0)>=(s|0)|(d|0)>(s|0)){break qa}d=e+H[b>>2]|0;e=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[f+4>>2]=e;g=H[b+20>>2];d=H[b+16>>2]+4|0;g=d>>>0<4?g+1|0:g;H[b+16>>2]=d;H[b+20>>2]=g;if(!e){break qa}H[f+8>>2]=0;if(!sb(f+16|0,b)){break qa}if(!ua(f+544|0,b)){break qa}if(!ua(f+564|0,b)){break qa}if(!ua(f+584|0,b)){break qa}z=H[f+4>>2];l=0;b=0;h=ca-32|0;ca=h;d=H[f+12>>2];H[h+16>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;if(d){if(d>>>0>=1073741824){break b}e=d<<2;l=pa(e);H[h+8>>2]=l;b=e+l|0;H[h+16>>2]=b;ra(l,0,e);H[h+12>>2]=b}g=H[f+628>>2];e=H[g>>2];if(e){H[g+4>>2]=e;oa(e);d=H[f+12>>2];l=H[h+8>>2];b=H[h+12>>2]}H[g+4>>2]=b;H[g>>2]=l;H[g+8>>2]=H[h+16>>2];l=0;H[h+16>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;ra:{if(d){if(d>>>0>=1073741824){break b}b=d<<2;j=pa(b);H[h+8>>2]=j;l=b+j|0;H[h+16>>2]=l;ra(j,0,b);H[h+12>>2]=l}d=H[f+640>>2];b=H[d>>2];if(b){H[d+4>>2]=b;oa(b);j=H[h+8>>2];l=H[h+12>>2]}H[d+4>>2]=l;H[d>>2]=j;H[d+8>>2]=H[h+16>>2];H[h+24>>2]=0;H[h+28>>2]=0;H[h+16>>2]=0;H[h+20>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;xa(h+8|0);d=H[h+24>>2]+H[h+28>>2]|0;b=(d>>>0)/341|0;b=H[H[h+12>>2]+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;H[b+4>>2]=0;H[b+8>>2]=0;H[b>>2]=z;d=H[h+28>>2]+1|0;H[h+28>>2]=d;sa:{if(!d){break sa}x=f+604|0;y=f+16|0;while(1){n=H[h+12>>2];k=H[h+24>>2];g=d-1|0;e=k+g|0;b=(e>>>0)/341|0;b=H[n+(b<<2)>>2]+N(e-N(b,341)|0,12)|0;p=H[b+8>>2];e=H[b+4>>2];i=H[b>>2];H[h+28>>2]=g;b=H[h+16>>2];if((((b|0)!=(n|0)?N(b-n>>2,341)-1|0:0)-(d+k|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[h+16>>2]=H[h+16>>2]-4}if(i>>>0>z>>>0){break sa}b=H[f+12>>2];j=(e|0)!=(b-1|0)?e+1|0:0;if(j>>>0>=b>>>0){break sa}o=N(p,12);A=o+H[f+640>>2]|0;t=o+H[f+628>>2]|0;g=H[f>>2];q=j<<2;e=H[q+H[A>>2]>>2];ta:{ua:{if((g|0)==(e|0)){o=0;if(!i){break ua}while(1){b=H[t>>2];r=H[b+8>>2];s=H[b+4>>2];n=H[b>>2];p=H[w>>2];d=H[p+4>>2];b=H[p+8>>2];va:{if(d>>>0>>0){H[d+8>>2]=r;H[d+4>>2]=s;H[d>>2]=n;H[p+4>>2]=d+12;break va}q=H[p>>2];g=(d-q|0)/12|0;k=g+1|0;if(k>>>0>=357913942){break b}e=(b-q|0)/12|0;b=e<<1;k=e>>>0>=178956970?357913941:b>>>0>k>>>0?b:k;if(k){if(k>>>0>=357913942){break a}b=pa(N(k,12))}else{b=0}j=b+N(g,12)|0;H[j+8>>2]=r;H[j+4>>2]=s;H[j>>2]=n;e=j+12|0;if((d|0)!=(q|0)){while(1){j=j-12|0;d=d-12|0;H[j>>2]=H[d>>2];H[j+4>>2]=H[d+4>>2];H[j+8>>2]=H[d+8>>2];if((d|0)!=(q|0)){continue}break}}H[p+8>>2]=b+N(k,12);H[p+4>>2]=e;H[p>>2]=j;if(!q){break va}oa(q)}H[f+8>>2]=H[f+8>>2]+1;o=o+1|0;if((i|0)!=(o|0)){continue}break}break ua}wa:{xa:{ya:{if(i>>>0<=2){b=H[f+616>>2];H[b>>2]=j;d=1;l=H[f+12>>2];if(l>>>0>1){break ya}break wa}if(K[f+8>>2]>K[f+4>>2]){break sa}b=H[f+628>>2];s=p+1|0;r=N(s,12);d=b+r|0;if((d|0)!=(t|0)){Aa(d,H[t>>2],H[t+4>>2]);b=H[f+628>>2]}b=q+H[b+r>>2]|0;H[b>>2]=H[b>>2]+(1<>>1|0;break xa}while(1){l=Ba(y+(d<<4)|0)|l<<1;d=d+1|0;if((b|0)!=(d|0)){continue}break}d=i>>>1|0;if(l>>>0<=d>>>0){break xa}break sa}while(1){j=(l-1|0)!=(j|0)?j+1|0:0;H[b+(d<<2)>>2]=j;d=d+1|0;l=H[f+12>>2];if(d>>>0>>0){continue}break}break wa}za:{Aa:{e=d-l|0;d=i-e|0;Ba:{if((d|0)==(e|0)){b=e;break Ba}n=H[f+596>>2];if((n|0)==H[f+588>>2]){break Aa}k=H[n>>2];g=H[f+600>>2];b=g+1|0;H[f+600>>2]=b;g=k&-2147483648>>>g;Ca:{if((b|0)==32){H[f+600>>2]=0;H[f+596>>2]=n+4;if(g){break Ca}break Aa}if(!g){break Aa}}b=d}d=e;break za}b=e}n=H[f+640>>2];k=n+o|0;g=H[k>>2];e=g+q|0;H[e>>2]=H[e>>2]+1;Aa(n+r|0,g,H[k+4>>2]);if(d){g=H[h+28>>2]+H[h+24>>2]|0;e=H[h+16>>2];l=H[h+12>>2];if((g|0)==(((e|0)!=(l|0)?N(e-l>>2,341)-1|0:0)|0)){xa(h+8|0);l=H[h+12>>2];g=H[h+24>>2]+H[h+28>>2]|0}e=(g>>>0)/341|0;e=H[(e<<2)+l>>2]+N(g-N(e,341)|0,12)|0;H[e+8>>2]=p;H[e+4>>2]=j;H[e>>2]=d;H[h+28>>2]=H[h+28>>2]+1}if(!b){break ua}l=H[h+28>>2]+H[h+24>>2]|0;e=H[h+16>>2];d=H[h+12>>2];if((l|0)==(((d|0)!=(e|0)?N(e-d>>2,341)-1|0:0)|0)){xa(h+8|0);l=H[h+24>>2]+H[h+28>>2]|0;e=H[h+12>>2]}else{e=d}d=(l>>>0)/341|0;d=H[e+(d<<2)>>2]+N(l-N(d,341)|0,12)|0;H[d+8>>2]=s;H[d+4>>2]=j;H[d>>2]=b;d=H[h+28>>2]+1|0;H[h+28>>2]=d;break ta}j=0;if(!i){break ua}while(1){if(H[f+12>>2]){p=H[f+548>>2];n=H[A>>2];u=H[f+604>>2];k=H[f+616>>2];d=0;while(1){o=k+(d<<2)|0;H[u+(H[o>>2]<<2)>>2]=0;g=H[f>>2];e=H[o>>2]<<2;b=H[e+n>>2];Da:{if((g|0)==(b|0)){break Da}q=e+u|0;l=g-b|0;r=H[f+560>>2];g=32-r|0;if((l|0)<=(g|0)){e=H[f+556>>2];if((e|0)==(p|0)){break sa}H[q>>2]=H[e>>2]<>>32-l;b=l+H[f+560>>2]|0;H[f+560>>2]=b;if((b|0)!=32){break Da}H[f+560>>2]=0;H[f+556>>2]=e+4;break Da}s=H[f+556>>2];b=s+4|0;if((b|0)==(p|0)){break sa}e=H[s>>2];H[f+556>>2]=b;b=l-g|0;H[f+560>>2]=b;H[q>>2]=H[s+4>>2]>>>32-b|e<>>32-l}e=H[o>>2]<<2;b=e+u|0;H[b>>2]=H[b>>2]|H[e+H[t>>2]>>2];d=d+1|0;if(d>>>0>2]){continue}break}}jb(w,x);H[f+8>>2]=H[f+8>>2]+1;j=j+1|0;if((i|0)!=(j|0)){continue}break}}d=H[h+28>>2]}if(d){continue}break}}H[h+28>>2]=0;j=H[h+16>>2];d=H[h+12>>2];l=j-d|0;if(l>>>0>=9){while(1){oa(H[d>>2]);d=H[h+12>>2]+4|0;H[h+12>>2]=d;j=H[h+16>>2];l=j-d|0;if(l>>>0>8){continue}break}}b=170;Ea:{switch((l>>>2|0)-1|0){case 1:b=341;case 0:H[h+24>>2]=b;break;default:break Ea}}Fa:{if((d|0)==(j|0)){break Fa}while(1){oa(H[d>>2]);d=d+4|0;if((j|0)!=(d|0)){continue}break}d=H[h+16>>2];b=H[h+12>>2];if((d|0)==(b|0)){break Fa}H[h+16>>2]=d+((b-d|0)+3&-4)}b=H[h+8>>2];if(b){oa(b)}ca=h+32|0;break ra}}ab(f);break d;case 5:f=$a(B+8|0,3);w=B+664|0;k=H[b+8>>2];n=H[b+12>>2];d=H[b+20>>2];e=H[b+16>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;Ga:{if(g>>>0>k>>>0&(d|0)>=(n|0)|(d|0)>(n|0)){break Ga}d=e+H[b>>2]|0;H[f>>2]=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=H[b+20>>2];k=d;g=H[b+16>>2];e=g+4|0;d=e>>>0<4?d+1|0:d;H[b+16>>2]=e;H[b+20>>2]=d;if(K[f>>2]>32){break Ga}n=H[b+8>>2];s=H[b+12>>2];d=k;g=g+8|0;d=g>>>0<8?d+1|0:d;if(g>>>0>n>>>0&(d|0)>=(s|0)|(d|0)>(s|0)){break Ga}d=e+H[b>>2]|0;e=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[f+4>>2]=e;g=H[b+20>>2];d=H[b+16>>2]+4|0;g=d>>>0<4?g+1|0:g;H[b+16>>2]=d;H[b+20>>2]=g;if(!e){break Ga}H[f+8>>2]=0;if(!sb(f+16|0,b)){break Ga}if(!ua(f+544|0,b)){break Ga}if(!ua(f+564|0,b)){break Ga}if(!ua(f+584|0,b)){break Ga}z=H[f+4>>2];l=0;b=0;h=ca-32|0;ca=h;d=H[f+12>>2];H[h+16>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;if(d){if(d>>>0>=1073741824){break b}e=d<<2;l=pa(e);H[h+8>>2]=l;b=e+l|0;H[h+16>>2]=b;ra(l,0,e);H[h+12>>2]=b}g=H[f+628>>2];e=H[g>>2];if(e){H[g+4>>2]=e;oa(e);d=H[f+12>>2];l=H[h+8>>2];b=H[h+12>>2]}H[g+4>>2]=b;H[g>>2]=l;H[g+8>>2]=H[h+16>>2];l=0;H[h+16>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;Ha:{if(d){if(d>>>0>=1073741824){break b}b=d<<2;p=pa(b);H[h+8>>2]=p;l=b+p|0;H[h+16>>2]=l;ra(p,0,b);H[h+12>>2]=l}d=H[f+640>>2];b=H[d>>2];if(b){H[d+4>>2]=b;oa(b);l=H[h+12>>2];p=H[h+8>>2]}H[d+4>>2]=l;H[d>>2]=p;H[d+8>>2]=H[h+16>>2];H[h+24>>2]=0;H[h+28>>2]=0;H[h+16>>2]=0;H[h+20>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;xa(h+8|0);d=H[h+24>>2]+H[h+28>>2]|0;b=(d>>>0)/341|0;b=H[H[h+12>>2]+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;H[b+4>>2]=0;H[b+8>>2]=0;H[b>>2]=z;d=H[h+28>>2]+1|0;H[h+28>>2]=d;Ia:{if(!d){break Ia}x=f+604|0;y=f+16|0;while(1){n=H[h+12>>2];k=H[h+24>>2];g=d-1|0;e=k+g|0;b=(e>>>0)/341|0;b=H[n+(b<<2)>>2]+N(e-N(b,341)|0,12)|0;o=H[b+8>>2];e=H[b+4>>2];i=H[b>>2];H[h+28>>2]=g;b=H[h+16>>2];if((((b|0)!=(n|0)?N(b-n>>2,341)-1|0:0)-(d+k|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[h+16>>2]=H[h+16>>2]-4}if(i>>>0>z>>>0){break Ia}m=0;b=H[f+12>>2];p=(e|0)!=(b-1|0)?e+1|0:0;if(p>>>0>=b>>>0){break Ia}b=H[f+628>>2];q=N(o,12);t=b+q|0;e=H[f>>2];r=p<<2;s=q+H[f+640>>2]|0;d=H[r+H[s>>2]>>2];Ja:{Ka:{if((e|0)==(d|0)){if(!i){break Ka}while(1){b=H[t>>2];r=H[b+8>>2];s=H[b+4>>2];n=H[b>>2];o=H[w>>2];d=H[o+4>>2];b=H[o+8>>2];La:{if(d>>>0>>0){H[d+8>>2]=r;H[d+4>>2]=s;H[d>>2]=n;H[o+4>>2]=d+12;break La}q=H[o>>2];g=(d-q|0)/12|0;k=g+1|0;if(k>>>0>=357913942){break b}e=(b-q|0)/12|0;b=e<<1;k=e>>>0>=178956970?357913941:b>>>0>k>>>0?b:k;if(k){if(k>>>0>=357913942){break a}b=pa(N(k,12))}else{b=0}p=b+N(g,12)|0;H[p+8>>2]=r;H[p+4>>2]=s;H[p>>2]=n;e=p+12|0;if((d|0)!=(q|0)){while(1){p=p-12|0;d=d-12|0;H[p>>2]=H[d>>2];H[p+4>>2]=H[d+4>>2];H[p+8>>2]=H[d+8>>2];if((d|0)!=(q|0)){continue}break}}H[o+8>>2]=b+N(k,12);H[o+4>>2]=e;H[o>>2]=p;if(!q){break La}oa(q)}H[f+8>>2]=H[f+8>>2]+1;m=m+1|0;if((i|0)!=(m|0)){continue}break}break Ka}Ma:{Na:{Oa:{if(i>>>0<=2){b=H[f+616>>2];H[b>>2]=p;d=1;l=H[f+12>>2];if(l>>>0>1){break Oa}break Ma}if(K[f+8>>2]>K[f+4>>2]){break Ia}k=b;b=q+12|0;Aa(k+b|0,H[t>>2],H[t+4>>2]);b=r+H[b+H[f+628>>2]>>2]|0;H[b>>2]=H[b>>2]+(1<>>1|0;break Na}while(1){l=Ba(y+(d<<4)|0)|l<<1;d=d+1|0;if((b|0)!=(d|0)){continue}break}d=i>>>1|0;if(l>>>0<=d>>>0){break Na}break Ia}while(1){p=(l-1|0)!=(p|0)?p+1|0:0;H[b+(d<<2)>>2]=p;d=d+1|0;l=H[f+12>>2];if(d>>>0>>0){continue}break}break Ma}s=o+1|0;Pa:{Qa:{e=d-l|0;d=i-e|0;Ra:{if((d|0)==(e|0)){b=e;break Ra}n=H[f+596>>2];if((n|0)==H[f+588>>2]){break Qa}k=H[n>>2];g=H[f+600>>2];b=g+1|0;H[f+600>>2]=b;g=k&-2147483648>>>g;Sa:{if((b|0)==32){H[f+600>>2]=0;H[f+596>>2]=n+4;if(g){break Sa}break Qa}if(!g){break Qa}}b=d}d=e;break Pa}b=e}n=H[f+640>>2];k=n+q|0;g=H[k>>2];e=g+r|0;H[e>>2]=H[e>>2]+1;Aa(n+N(s,12)|0,g,H[k+4>>2]);if(d){m=H[h+28>>2]+H[h+24>>2]|0;e=H[h+16>>2];l=H[h+12>>2];if((m|0)==(((e|0)!=(l|0)?N(e-l>>2,341)-1|0:0)|0)){xa(h+8|0);m=H[h+24>>2]+H[h+28>>2]|0;l=H[h+12>>2]}e=(m>>>0)/341|0;e=H[l+(e<<2)>>2]+N(m-N(e,341)|0,12)|0;H[e+8>>2]=o;H[e+4>>2]=p;H[e>>2]=d;H[h+28>>2]=H[h+28>>2]+1}if(!b){break Ka}l=H[h+28>>2]+H[h+24>>2]|0;e=H[h+16>>2];d=H[h+12>>2];if((l|0)==(((d|0)!=(e|0)?N(e-d>>2,341)-1|0:0)|0)){xa(h+8|0);l=H[h+24>>2]+H[h+28>>2]|0;e=H[h+12>>2]}else{e=d}d=(l>>>0)/341|0;d=H[e+(d<<2)>>2]+N(l-N(d,341)|0,12)|0;H[d+8>>2]=s;H[d+4>>2]=p;H[d>>2]=b;d=H[h+28>>2]+1|0;H[h+28>>2]=d;break Ja}if(!i){break Ka}while(1){if(H[f+12>>2]){A=H[f+548>>2];n=H[s>>2];u=H[f+604>>2];k=H[f+616>>2];d=0;while(1){p=k+(d<<2)|0;H[u+(H[p>>2]<<2)>>2]=0;g=H[f>>2];e=H[p>>2]<<2;b=H[e+n>>2];Ta:{if((g|0)==(b|0)){break Ta}o=e+u|0;l=g-b|0;q=H[f+560>>2];g=32-q|0;if((l|0)<=(g|0)){e=H[f+556>>2];if((e|0)==(A|0)){break Ia}H[o>>2]=H[e>>2]<>>32-l;b=l+H[f+560>>2]|0;H[f+560>>2]=b;if((b|0)!=32){break Ta}H[f+560>>2]=0;H[f+556>>2]=e+4;break Ta}r=H[f+556>>2];b=r+4|0;if((b|0)==(A|0)){break Ia}e=H[r>>2];H[f+556>>2]=b;b=l-g|0;H[f+560>>2]=b;H[o>>2]=H[r+4>>2]>>>32-b|e<>>32-l}e=H[p>>2]<<2;b=e+u|0;H[b>>2]=H[b>>2]|H[e+H[t>>2]>>2];d=d+1|0;if(d>>>0>2]){continue}break}}jb(w,x);H[f+8>>2]=H[f+8>>2]+1;m=m+1|0;if((i|0)!=(m|0)){continue}break}}d=H[h+28>>2]}if(d){continue}break}}H[h+28>>2]=0;p=H[h+16>>2];d=H[h+12>>2];l=p-d|0;if(l>>>0>=9){while(1){oa(H[d>>2]);d=H[h+12>>2]+4|0;H[h+12>>2]=d;p=H[h+16>>2];l=p-d|0;if(l>>>0>8){continue}break}}b=170;Ua:{switch((l>>>2|0)-1|0){case 1:b=341;case 0:H[h+24>>2]=b;break;default:break Ua}}Va:{if((d|0)==(p|0)){break Va}while(1){oa(H[d>>2]);d=d+4|0;if((p|0)!=(d|0)){continue}break}d=H[h+16>>2];b=H[h+12>>2];if((d|0)==(b|0)){break Va}H[h+16>>2]=d+((b-d|0)+3&-4)}b=H[h+8>>2];if(b){oa(b)}ca=h+32|0;break Ha}}ab(f);break d;case 6:break f;default:break c}}f=$a(B+8|0,3);w=B+664|0;k=H[b+8>>2];n=H[b+12>>2];d=H[b+20>>2];e=H[b+16>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;Wa:{if(g>>>0>k>>>0&(d|0)>=(n|0)|(d|0)>(n|0)){break Wa}d=e+H[b>>2]|0;H[f>>2]=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=H[b+20>>2];k=d;g=H[b+16>>2];e=g+4|0;d=e>>>0<4?d+1|0:d;H[b+16>>2]=e;H[b+20>>2]=d;if(K[f>>2]>32){break Wa}n=H[b+8>>2];s=H[b+12>>2];d=k;g=g+8|0;d=g>>>0<8?d+1|0:d;if(g>>>0>n>>>0&(d|0)>=(s|0)|(d|0)>(s|0)){break Wa}d=e+H[b>>2]|0;e=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[f+4>>2]=e;g=H[b+20>>2];d=H[b+16>>2]+4|0;g=d>>>0<4?g+1|0:g;H[b+16>>2]=d;H[b+20>>2]=g;if(!e){break Wa}H[f+8>>2]=0;if(!sb(f+16|0,b)){break Wa}if(!ua(f+544|0,b)){break Wa}if(!ua(f+564|0,b)){break Wa}if(!ua(f+584|0,b)){break Wa}z=H[f+4>>2];l=0;b=0;h=ca-32|0;ca=h;d=H[f+12>>2];H[h+16>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;if(d){if(d>>>0>=1073741824){break b}e=d<<2;l=pa(e);H[h+8>>2]=l;b=e+l|0;H[h+16>>2]=b;ra(l,0,e);H[h+12>>2]=b}g=H[f+628>>2];e=H[g>>2];if(e){H[g+4>>2]=e;oa(e);d=H[f+12>>2];l=H[h+8>>2];b=H[h+12>>2]}H[g+4>>2]=b;H[g>>2]=l;H[g+8>>2]=H[h+16>>2];l=0;H[h+16>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;Xa:{if(d){if(d>>>0>=1073741824){break b}b=d<<2;j=pa(b);H[h+8>>2]=j;l=b+j|0;H[h+16>>2]=l;ra(j,0,b);H[h+12>>2]=l}d=H[f+640>>2];b=H[d>>2];if(b){H[d+4>>2]=b;oa(b);j=H[h+8>>2];l=H[h+12>>2]}H[d+4>>2]=l;H[d>>2]=j;H[d+8>>2]=H[h+16>>2];H[h+24>>2]=0;H[h+28>>2]=0;H[h+16>>2]=0;H[h+20>>2]=0;H[h+8>>2]=0;H[h+12>>2]=0;xa(h+8|0);d=H[h+24>>2]+H[h+28>>2]|0;b=(d>>>0)/341|0;b=H[H[h+12>>2]+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;H[b+4>>2]=0;H[b+8>>2]=0;H[b>>2]=z;d=H[h+28>>2]+1|0;H[h+28>>2]=d;Ya:{if(!d){break Ya}x=f+604|0;y=f+16|0;while(1){n=H[h+12>>2];k=H[h+24>>2];g=d-1|0;e=k+g|0;b=(e>>>0)/341|0;b=H[n+(b<<2)>>2]+N(e-N(b,341)|0,12)|0;p=H[b+8>>2];i=H[b>>2];H[h+28>>2]=g;b=H[h+16>>2];if((((b|0)!=(n|0)?N(b-n>>2,341)-1|0:0)-(d+k|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[h+16>>2]=H[h+16>>2]-4}if(i>>>0>z>>>0){break Ya}b=H[f+628>>2];o=N(p,12);A=o+H[f+640>>2]|0;j=Vd(f,i,A);if(j>>>0>=K[f+12>>2]){break Ya}t=b+o|0;g=H[f>>2];q=j<<2;e=H[q+H[A>>2]>>2];Za:{_a:{if((g|0)==(e|0)){o=0;if(!i){break _a}while(1){b=H[t>>2];r=H[b+8>>2];s=H[b+4>>2];n=H[b>>2];p=H[w>>2];d=H[p+4>>2];b=H[p+8>>2];$a:{if(d>>>0>>0){H[d+8>>2]=r;H[d+4>>2]=s;H[d>>2]=n;H[p+4>>2]=d+12;break $a}q=H[p>>2];g=(d-q|0)/12|0;k=g+1|0;if(k>>>0>=357913942){break b}e=(b-q|0)/12|0;b=e<<1;k=e>>>0>=178956970?357913941:b>>>0>k>>>0?b:k;if(k){if(k>>>0>=357913942){break a}b=pa(N(k,12))}else{b=0}j=b+N(g,12)|0;H[j+8>>2]=r;H[j+4>>2]=s;H[j>>2]=n;e=j+12|0;if((d|0)!=(q|0)){while(1){j=j-12|0;d=d-12|0;H[j>>2]=H[d>>2];H[j+4>>2]=H[d+4>>2];H[j+8>>2]=H[d+8>>2];if((d|0)!=(q|0)){continue}break}}H[p+8>>2]=b+N(k,12);H[p+4>>2]=e;H[p>>2]=j;if(!q){break $a}oa(q)}H[f+8>>2]=H[f+8>>2]+1;o=o+1|0;if((i|0)!=(o|0)){continue}break}break _a}ab:{bb:{cb:{if(i>>>0<=2){b=H[f+616>>2];H[b>>2]=j;d=1;l=H[f+12>>2];if(l>>>0>1){break cb}break ab}if(K[f+8>>2]>K[f+4>>2]){break Ya}b=H[f+628>>2];s=p+1|0;r=N(s,12);d=b+r|0;if((d|0)!=(t|0)){Aa(d,H[t>>2],H[t+4>>2]);b=H[f+628>>2]}b=q+H[b+r>>2]|0;H[b>>2]=H[b>>2]+(1<>>1|0;break bb}while(1){l=Ba(y+(d<<4)|0)|l<<1;d=d+1|0;if((b|0)!=(d|0)){continue}break}d=i>>>1|0;if(l>>>0<=d>>>0){break bb}break Ya}while(1){j=(l-1|0)!=(j|0)?j+1|0:0;H[b+(d<<2)>>2]=j;d=d+1|0;l=H[f+12>>2];if(d>>>0>>0){continue}break}break ab}db:{eb:{e=d-l|0;d=i-e|0;fb:{if((d|0)==(e|0)){b=e;break fb}n=H[f+596>>2];if((n|0)==H[f+588>>2]){break eb}k=H[n>>2];g=H[f+600>>2];b=g+1|0;H[f+600>>2]=b;g=k&-2147483648>>>g;gb:{if((b|0)==32){H[f+600>>2]=0;H[f+596>>2]=n+4;if(g){break gb}break eb}if(!g){break eb}}b=d}d=e;break db}b=e}n=H[f+640>>2];k=n+o|0;g=H[k>>2];e=g+q|0;H[e>>2]=H[e>>2]+1;Aa(n+r|0,g,H[k+4>>2]);if(d){g=H[h+28>>2]+H[h+24>>2]|0;e=H[h+16>>2];l=H[h+12>>2];if((g|0)==(((e|0)!=(l|0)?N(e-l>>2,341)-1|0:0)|0)){xa(h+8|0);l=H[h+12>>2];g=H[h+24>>2]+H[h+28>>2]|0}e=(g>>>0)/341|0;e=H[(e<<2)+l>>2]+N(g-N(e,341)|0,12)|0;H[e+8>>2]=p;H[e+4>>2]=j;H[e>>2]=d;H[h+28>>2]=H[h+28>>2]+1}if(!b){break _a}l=H[h+28>>2]+H[h+24>>2]|0;e=H[h+16>>2];d=H[h+12>>2];if((l|0)==(((d|0)!=(e|0)?N(e-d>>2,341)-1|0:0)|0)){xa(h+8|0);l=H[h+24>>2]+H[h+28>>2]|0;e=H[h+12>>2]}else{e=d}d=(l>>>0)/341|0;d=H[e+(d<<2)>>2]+N(l-N(d,341)|0,12)|0;H[d+8>>2]=s;H[d+4>>2]=j;H[d>>2]=b;d=H[h+28>>2]+1|0;H[h+28>>2]=d;break Za}j=0;if(!i){break _a}while(1){if(H[f+12>>2]){p=H[f+548>>2];n=H[A>>2];u=H[f+604>>2];k=H[f+616>>2];d=0;while(1){o=k+(d<<2)|0;H[u+(H[o>>2]<<2)>>2]=0;g=H[f>>2];e=H[o>>2]<<2;b=H[e+n>>2];hb:{if((g|0)==(b|0)){break hb}q=e+u|0;l=g-b|0;r=H[f+560>>2];g=32-r|0;if((l|0)<=(g|0)){e=H[f+556>>2];if((e|0)==(p|0)){break Ya}H[q>>2]=H[e>>2]<>>32-l;b=l+H[f+560>>2]|0;H[f+560>>2]=b;if((b|0)!=32){break hb}H[f+560>>2]=0;H[f+556>>2]=e+4;break hb}s=H[f+556>>2];b=s+4|0;if((b|0)==(p|0)){break Ya}e=H[s>>2];H[f+556>>2]=b;b=l-g|0;H[f+560>>2]=b;H[q>>2]=H[s+4>>2]>>>32-b|e<>>32-l}e=H[o>>2]<<2;b=e+u|0;H[b>>2]=H[b>>2]|H[e+H[t>>2]>>2];d=d+1|0;if(d>>>0>2]){continue}break}}jb(w,x);H[f+8>>2]=H[f+8>>2]+1;j=j+1|0;if((i|0)!=(j|0)){continue}break}}d=H[h+28>>2]}if(d){continue}break}}H[h+28>>2]=0;j=H[h+16>>2];d=H[h+12>>2];l=j-d|0;if(l>>>0>=9){while(1){oa(H[d>>2]);d=H[h+12>>2]+4|0;H[h+12>>2]=d;j=H[h+16>>2];l=j-d|0;if(l>>>0>8){continue}break}}b=170;ib:{switch((l>>>2|0)-1|0){case 1:b=341;case 0:H[h+24>>2]=b;break;default:break ib}}jb:{if((d|0)==(j|0)){break jb}while(1){oa(H[d>>2]);d=d+4|0;if((j|0)!=(d|0)){continue}break}d=H[h+16>>2];b=H[h+12>>2];if((d|0)==(b|0)){break jb}H[h+16>>2]=d+((b-d|0)+3&-4)}b=H[h+8>>2];if(b){oa(b)}ca=h+32|0;break Xa}}ab(f)}n=H[a+12>>2]==((H[c+4>>2]-H[c>>2]|0)/12|0)}ca=B+672|0;return n}sa();v()}wa();v()}function kd(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0;if(!a){return 1}e=H[c+20>>2];g=H[c+12>>2];i=H[c+16>>2];a:{if((e|0)>=(g|0)&i>>>0>=K[c+8>>2]|(e|0)>(g|0)){break a}g=I[i+H[c>>2]|0];i=i+1|0;e=i?e:e+1|0;H[c+16>>2]=i;H[c+20>>2]=e;b:{switch(g|0){case 0:e=a;f=b;i=d;a=0;d=0;m=ca+-64|0;ca=m;H[m+56>>2]=0;H[m+48>>2]=0;H[m+52>>2]=0;H[m+40>>2]=0;H[m+44>>2]=0;H[m+32>>2]=0;H[m+36>>2]=0;H[m+24>>2]=0;H[m+28>>2]=0;H[m+16>>2]=0;H[m+20>>2]=0;H[m+8>>2]=0;H[m+12>>2]=0;c:{if(!Ne(m+8|0,c)){break c}if(!Me(m+8|0,c)|(H[m+20>>2]?0:e)){break c}Db(c,0,0);if(e){s=f<<2;t=H[m+36>>2];w=H[m+48>>2];x=H[m+24>>2];l=H[m+56>>2];j=H[m+52>>2];while(1){d:{if(l>>>0>16383){break d}while(1){if((j|0)<=0){break d}j=j-1|0;H[m+52>>2]=j;l=I[j+w|0]|l<<8;H[m+56>>2]=l;if(l>>>0<16384){continue}break}}a=l&4095;r=H[(a<<2)+x>>2];b=(r<<3)+t|0;l=(N(H[b>>2],l>>>12|0)+a|0)-H[b+4>>2]|0;H[m+56>>2]=l;if((f|0)>0){a=0;if(!I[c+36|0]|r>>>0>32){break c}g=d+f|0;e:{if(!r){ra(i+(d<<2)|0,0,s);break e}y=r&-2;z=r&1;b=H[c+32>>2];h=H[c+28>>2];n=H[c+24>>2];while(1){k=0;a=b;o=0;q=0;if((r|0)!=1){while(1){p=n+(a>>>3|0)|0;f:{if(p>>>0>=h>>>0){p=0;break f}p=I[p|0];b=a+1|0;H[c+32>>2]=b;p=p>>>(a&7)&1;a=b}p=p<>>3|0)|0;if(u>>>0>>0){o=I[u|0];b=a+1|0;H[c+32>>2]=b;o=o>>>(a&7)&1;a=b}u=k|1;k=k+2|0;o=p|o<>>3|0)|0;if(p>>>0>>0){p=I[p|0];b=a+1|0;H[c+32>>2]=b;a=p>>>(a&7)&1}else{a=0}o=a<>2]=o;d=d+1|0;if((g|0)!=(d|0)){continue}break}}d=g}v=f+v|0;if(e>>>0>v>>>0){continue}break}}F[c+36|0]=0;b=H[c+20>>2];e=0;d=H[c+32>>2]+7|0;e=d>>>0<7?1:e;d=(e&7)<<29|d>>>3;a=d+H[c+16>>2]|0;e=(e>>>3|0)+b|0;H[c+16>>2]=a;H[c+20>>2]=a>>>0>>0?e+1|0:e;a=1}b=H[m+36>>2];if(b){H[m+40>>2]=b;oa(b)}b=H[m+24>>2];if(b){H[m+28>>2]=b;oa(b)}b=H[m+8>>2];if(b){H[m+12>>2]=b;oa(b)}ca=m- -64|0;return a;case 1:break b;default:break a}}b=0;e=H[c+20>>2];g=H[c+12>>2];i=H[c+16>>2];g:{if((e|0)>=(g|0)&i>>>0>=K[c+8>>2]|(e|0)>(g|0)){break g}g=I[i+H[c>>2]|0];i=i+1|0;e=i?e:e+1|0;H[c+16>>2]=i;H[c+20>>2]=e;h:{switch(g-1|0){case 8:g=a;r=d;i=ca+-64|0;ca=i;H[i+56>>2]=0;H[i+48>>2]=0;H[i+52>>2]=0;H[i+40>>2]=0;H[i+44>>2]=0;H[i+32>>2]=0;H[i+36>>2]=0;H[i+24>>2]=0;H[i+28>>2]=0;H[i+16>>2]=0;H[i+20>>2]=0;H[i+8>>2]=0;H[i+12>>2]=0;j=i+8|0;a=J[c+38>>1];i:{j:{if(!a){break j}k:{if(a>>>0<=511){d=H[c+8>>2];b=H[c+12>>2];e=H[c+20>>2];a=H[c+16>>2];f=a+4|0;e=f>>>0<4?e+1|0:e;if(d>>>0>>0&(b|0)<=(e|0)|(b|0)<(e|0)){break j}a=a+H[c>>2]|0;h=I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24);H[j+12>>2]=h;e=H[c+20>>2];f=H[c+16>>2]+4|0;e=f>>>0<4?e+1|0:e;H[c+16>>2]=f;H[c+20>>2]=e;break k}if(!hb(1,j+12|0,c)){break j}f=H[c+16>>2];e=H[c+20>>2];h=H[j+12>>2]}a=H[c+8>>2];d=a-f|0;a=H[c+12>>2]-((a>>>0>>0)+e|0)|0;if(d>>>0>>6>>>0&(a|0)<=0|(a|0)<0){break j}b=H[j>>2];a=H[j+4>>2]-b>>2;l:{if(a>>>0>>0){ya(j,h-a|0);h=H[j+12>>2];break l}if(a>>>0<=h>>>0){break l}H[j+4>>2]=b+(h<<2)}d=1;if(!h){break i}f=H[c+16>>2];e=H[c+20>>2];s=H[j>>2];m=H[c+8>>2];n=H[c+12>>2];b=0;while(1){d=0;if((e|0)>=(n|0)&f>>>0>=m>>>0|(e|0)>(n|0)){break i}d=H[c>>2];p=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=p>>>2|0;l=0;m:{n:{o:{p:{t=p&3;switch(t|0){case 0:break n;case 3:break p;default:break o}}a=a+b|0;d=0;if(a>>>0>=h>>>0){break i}ra(s+(b<<2)|0,0,(p&252)+4|0);b=a;break m}while(1){if((f|0)==(m|0)&(e|0)==(n|0)){break j}h=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=h<<(l<<3|6)|a;l=l+1|0;if((t|0)!=(l|0)){continue}break}}H[s+(b<<2)>>2]=a}b=b+1|0;h=H[j+12>>2];if(b>>>0>>0){continue}break}a=j+16|0;n=H[j>>2];d=H[j+16>>2];b=H[j+20>>2]-d|0;q:{if(b>>>0<=32767){ya(a,8192-(b>>>2|0)|0);break q}if((b|0)==32768){break q}H[j+20>>2]=d+32768}d=j+28|0;b=H[d>>2];f=H[j+32>>2]-b>>3;r:{if(f>>>0>>0){ob(d,h-f|0);b=H[d>>2];break r}if(f>>>0>h>>>0){H[j+32>>2]=(h<<3)+b}if(!h){break j}}m=H[a>>2];f=0;d=0;while(1){e=n+(f<<2)|0;j=H[e>>2];l=(f<<3)+b|0;a=d;H[l+4>>2]=a;H[l>>2]=j;e=H[e>>2];d=e+a|0;if(d>>>0>8192){break j}s:{if(a>>>0>=d>>>0){break s}l=0;j=e&7;if(j){while(1){H[m+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((j|0)!=(l|0)){continue}break}}if(e-1>>>0<=6){break s}while(1){e=m+(a<<2)|0;H[e>>2]=f;H[e+28>>2]=f;H[e+24>>2]=f;H[e+20>>2]=f;H[e+16>>2]=f;H[e+12>>2]=f;H[e+8>>2]=f;H[e+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((h|0)!=(f|0)){continue}break}k=(d|0)==8192}d=k}t:{if(!d|(H[i+20>>2]?0:g)){break t}d=0;m=ca-16|0;ca=m;u:{v:{if(J[c+38>>1]<=511){b=H[c+8>>2];a=H[c+12>>2];h=a;e=H[c+20>>2];k=H[c+16>>2];f=k+8|0;e=f>>>0<8?e+1|0:e;if(b>>>0>>0&(a|0)<=(e|0)|(a|0)<(e|0)){break u}k=k+H[c>>2]|0;a=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);k=I[k+4|0]|I[k+5|0]<<8|(I[k+6|0]<<16|I[k+7|0]<<24);H[c+16>>2]=f;H[c+20>>2]=e;break v}if(!gb(1,m+8|0,c)){break u}f=H[c+16>>2];e=H[c+20>>2];b=H[c+8>>2];h=H[c+12>>2];a=H[m+8>>2];k=H[m+12>>2]}j=b-f|0;b=h-((b>>>0>>0)+e|0)|0;if((b|0)==(k|0)&a>>>0>j>>>0|b>>>0>>0){break u}e=e+k|0;b=a+f|0;e=b>>>0>>0?e+1|0:e;H[c+16>>2]=b;H[c+20>>2]=e;if((a|0)<=0){break u}b=H[c>>2]+f|0;H[i+48>>2]=b;c=a-1|0;f=c+b|0;e=I[f|0];w:{if(e>>>0<=63){H[i+52>>2]=c;a=I[f|0]&63;break w}x:{switch((e>>>6|0)-1|0){case 0:if(a>>>0<2){break u}a=a-2|0;H[i+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8&16128|I[a|0];break w;case 1:if(a>>>0<3){break u}a=a-3|0;H[i+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8|I[a+2|0]<<16&4128768|I[a|0];break w;default:break x}}a=a-4|0;H[i+52>>2]=a;a=a+b|0;a=(I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24))&1073741823}H[i+56>>2]=a+32768;d=a>>>0<8355840}ca=m+16|0;if(!d){break t}if(!g){o=1;break t}b=H[i+52>>2];a=H[i+56>>2];c=H[i+36>>2];d=H[i+48>>2];f=H[i+24>>2];while(1){y:{if(a>>>0>32767){break y}while(1){if((b|0)<=0){break y}b=b-1|0;H[i+52>>2]=b;a=I[b+d|0]|a<<8;H[i+56>>2]=a;if(a>>>0<32768){continue}break}}e=a&8191;o=H[f+(e<<2)>>2];k=c+(o<<3)|0;a=(N(H[k>>2],a>>>13|0)+e|0)-H[k+4>>2]|0;H[i+56>>2]=a;H[r+(q<<2)>>2]=o;o=1;q=q+1|0;if((g|0)!=(q|0)){continue}break}}a=H[i+36>>2];if(a){H[i+40>>2]=a;oa(a)}a=H[i+24>>2];if(a){H[i+28>>2]=a;oa(a)}a=H[i+8>>2];if(a){H[i+12>>2]=a;oa(a)}ca=i- -64|0;b=o;break g;case 9:m=a;r=d;g=ca+-64|0;ca=g;H[g+56>>2]=0;H[g+48>>2]=0;H[g+52>>2]=0;H[g+40>>2]=0;H[g+44>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;H[g+24>>2]=0;H[g+28>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;j=g+8|0;a=J[c+38>>1];z:{A:{if(!a){break A}B:{if(a>>>0<=511){d=H[c+8>>2];b=H[c+12>>2];e=H[c+20>>2];a=H[c+16>>2];f=a+4|0;e=f>>>0<4?e+1|0:e;if(d>>>0>>0&(b|0)<=(e|0)|(b|0)<(e|0)){break A}a=a+H[c>>2]|0;h=I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24);H[j+12>>2]=h;e=H[c+20>>2];f=H[c+16>>2]+4|0;e=f>>>0<4?e+1|0:e;H[c+16>>2]=f;H[c+20>>2]=e;break B}if(!hb(1,j+12|0,c)){break A}f=H[c+16>>2];e=H[c+20>>2];h=H[j+12>>2]}a=H[c+8>>2];d=a-f|0;a=H[c+12>>2]-((a>>>0>>0)+e|0)|0;if(d>>>0>>6>>>0&(a|0)<=0|(a|0)<0){break A}b=H[j>>2];a=H[j+4>>2]-b>>2;C:{if(a>>>0>>0){ya(j,h-a|0);h=H[j+12>>2];break C}if(a>>>0<=h>>>0){break C}H[j+4>>2]=b+(h<<2)}d=1;if(!h){break z}f=H[c+16>>2];e=H[c+20>>2];s=H[j>>2];i=H[c+8>>2];n=H[c+12>>2];b=0;while(1){d=0;if((e|0)>=(n|0)&f>>>0>=i>>>0|(e|0)>(n|0)){break z}d=H[c>>2];p=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=p>>>2|0;l=0;D:{E:{F:{G:{t=p&3;switch(t|0){case 0:break E;case 3:break G;default:break F}}a=a+b|0;d=0;if(a>>>0>=h>>>0){break z}ra(s+(b<<2)|0,0,(p&252)+4|0);b=a;break D}while(1){if((f|0)==(i|0)&(e|0)==(n|0)){break A}h=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=h<<(l<<3|6)|a;l=l+1|0;if((t|0)!=(l|0)){continue}break}}H[s+(b<<2)>>2]=a}b=b+1|0;h=H[j+12>>2];if(b>>>0>>0){continue}break}a=j+16|0;n=H[j>>2];d=H[j+16>>2];b=H[j+20>>2]-d|0;H:{if(b>>>0<=131071){ya(a,32768-(b>>>2|0)|0);break H}if((b|0)==131072){break H}H[j+20>>2]=d+131072}d=j+28|0;b=H[d>>2];f=H[j+32>>2]-b>>3;I:{if(f>>>0>>0){ob(d,h-f|0);b=H[d>>2];break I}if(f>>>0>h>>>0){H[j+32>>2]=(h<<3)+b}if(!h){break A}}i=H[a>>2];f=0;d=0;while(1){e=n+(f<<2)|0;j=H[e>>2];l=(f<<3)+b|0;a=d;H[l+4>>2]=a;H[l>>2]=j;e=H[e>>2];d=e+a|0;if(d>>>0>32768){break A}J:{if(a>>>0>=d>>>0){break J}l=0;j=e&7;if(j){while(1){H[i+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((j|0)!=(l|0)){continue}break}}if(e-1>>>0<=6){break J}while(1){e=i+(a<<2)|0;H[e>>2]=f;H[e+28>>2]=f;H[e+24>>2]=f;H[e+20>>2]=f;H[e+16>>2]=f;H[e+12>>2]=f;H[e+8>>2]=f;H[e+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((h|0)!=(f|0)){continue}break}k=(d|0)==32768}d=k}K:{if(!d|(H[g+20>>2]?0:m)){break K}d=0;j=ca-16|0;ca=j;L:{M:{if(J[c+38>>1]<=511){b=H[c+8>>2];a=H[c+12>>2];h=a;e=H[c+20>>2];k=H[c+16>>2];f=k+8|0;e=f>>>0<8?e+1|0:e;if(b>>>0>>0&(a|0)<=(e|0)|(a|0)<(e|0)){break L}k=k+H[c>>2]|0;a=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);k=I[k+4|0]|I[k+5|0]<<8|(I[k+6|0]<<16|I[k+7|0]<<24);H[c+16>>2]=f;H[c+20>>2]=e;break M}if(!gb(1,j+8|0,c)){break L}f=H[c+16>>2];e=H[c+20>>2];b=H[c+8>>2];h=H[c+12>>2];a=H[j+8>>2];k=H[j+12>>2]}i=b-f|0;b=h-((b>>>0>>0)+e|0)|0;if((b|0)==(k|0)&a>>>0>i>>>0|b>>>0>>0){break L}i=e+k|0;b=a+f|0;i=b>>>0>>0?i+1|0:i;H[c+16>>2]=b;H[c+20>>2]=i;if((a|0)<=0){break L}b=H[c>>2]+f|0;H[g+48>>2]=b;c=a-1|0;f=c+b|0;e=I[f|0];N:{if(e>>>0<=63){H[g+52>>2]=c;a=I[f|0]&63;break N}O:{switch((e>>>6|0)-1|0){case 0:if(a>>>0<2){break L}a=a-2|0;H[g+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8&16128|I[a|0];break N;case 1:if(a>>>0<3){break L}a=a-3|0;H[g+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8|I[a+2|0]<<16&4128768|I[a|0];break N;default:break O}}a=a-4|0;H[g+52>>2]=a;a=a+b|0;a=(I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24))&1073741823}H[g+56>>2]=a+131072;d=a>>>0<33423360}ca=j+16|0;if(!d){break K}if(!m){o=1;break K}b=H[g+52>>2];a=H[g+56>>2];c=H[g+36>>2];d=H[g+48>>2];f=H[g+24>>2];while(1){P:{if(a>>>0>131071){break P}while(1){if((b|0)<=0){break P}b=b-1|0;H[g+52>>2]=b;a=I[b+d|0]|a<<8;H[g+56>>2]=a;if(a>>>0<131072){continue}break}}e=a&32767;o=H[f+(e<<2)>>2];k=c+(o<<3)|0;a=(N(H[k>>2],a>>>15|0)+e|0)-H[k+4>>2]|0;H[g+56>>2]=a;H[r+(q<<2)>>2]=o;o=1;q=q+1|0;if((m|0)!=(q|0)){continue}break}}a=H[g+36>>2];if(a){H[g+40>>2]=a;oa(a)}a=H[g+24>>2];if(a){H[g+28>>2]=a;oa(a)}a=H[g+8>>2];if(a){H[g+12>>2]=a;oa(a)}ca=g- -64|0;b=o;break g;case 10:m=a;j=d;g=ca+-64|0;ca=g;H[g+56>>2]=0;H[g+48>>2]=0;H[g+52>>2]=0;H[g+40>>2]=0;H[g+44>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;H[g+24>>2]=0;H[g+28>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;n=g+8|0;a=J[c+38>>1];Q:{R:{if(!a){break R}S:{if(a>>>0<=511){d=H[c+8>>2];b=H[c+12>>2];e=H[c+20>>2];a=H[c+16>>2];f=a+4|0;e=f>>>0<4?e+1|0:e;if(d>>>0>>0&(b|0)<=(e|0)|(b|0)<(e|0)){break R}a=a+H[c>>2]|0;h=I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24);H[n+12>>2]=h;e=H[c+20>>2];f=H[c+16>>2]+4|0;e=f>>>0<4?e+1|0:e;H[c+16>>2]=f;H[c+20>>2]=e;break S}if(!hb(1,n+12|0,c)){break R}f=H[c+16>>2];e=H[c+20>>2];h=H[n+12>>2]}a=H[c+8>>2];d=a-f|0;a=H[c+12>>2]-((a>>>0>>0)+e|0)|0;if(d>>>0>>6>>>0&(a|0)<=0|(a|0)<0){break R}b=H[n>>2];a=H[n+4>>2]-b>>2;T:{if(a>>>0>>0){ya(n,h-a|0);h=H[n+12>>2];break T}if(a>>>0<=h>>>0){break T}H[n+4>>2]=b+(h<<2)}d=1;if(!h){break Q}f=H[c+16>>2];e=H[c+20>>2];t=H[n>>2];r=H[c+8>>2];p=H[c+12>>2];b=0;while(1){d=0;if((e|0)>=(p|0)&f>>>0>=r>>>0|(e|0)>(p|0)){break Q}d=H[c>>2];s=I[d+f|0];f=f+1|0;i=f?e:e+1|0;H[c+16>>2]=f;e=i;H[c+20>>2]=e;a=s>>>2|0;l=0;U:{V:{W:{X:{i=s&3;switch(i|0){case 0:break V;case 3:break X;default:break W}}a=a+b|0;d=0;if(a>>>0>=h>>>0){break Q}ra(t+(b<<2)|0,0,(s&252)+4|0);b=a;break U}while(1){if((f|0)==(r|0)&(e|0)==(p|0)){break R}h=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=h<<(l<<3|6)|a;l=l+1|0;if((i|0)!=(l|0)){continue}break}}H[t+(b<<2)>>2]=a}b=b+1|0;h=H[n+12>>2];if(b>>>0>>0){continue}break}a=n+16|0;r=H[n>>2];d=H[n+16>>2];b=H[n+20>>2]-d|0;Y:{if(b>>>0<=262143){ya(a,65536-(b>>>2|0)|0);break Y}if((b|0)==262144){break Y}H[n+20>>2]=d+262144}d=n+28|0;b=H[d>>2];f=H[n+32>>2]-b>>3;Z:{if(f>>>0>>0){ob(d,h-f|0);b=H[d>>2];break Z}if(f>>>0>h>>>0){H[n+32>>2]=(h<<3)+b}if(!h){break R}}i=H[a>>2];f=0;d=0;while(1){e=r+(f<<2)|0;l=H[e>>2];n=(f<<3)+b|0;a=d;H[n+4>>2]=a;H[n>>2]=l;e=H[e>>2];d=e+a|0;if(d>>>0>65536){break R}_:{if(a>>>0>=d>>>0){break _}l=0;n=e&7;if(n){while(1){H[i+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((n|0)!=(l|0)){continue}break}}if(e-1>>>0<=6){break _}while(1){e=i+(a<<2)|0;H[e>>2]=f;H[e+28>>2]=f;H[e+24>>2]=f;H[e+20>>2]=f;H[e+16>>2]=f;H[e+12>>2]=f;H[e+8>>2]=f;H[e+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((h|0)!=(f|0)){continue}break}k=(d|0)==65536}d=k}$:{if(!d|(H[g+20>>2]?0:m)){break $}d=0;i=ca-16|0;ca=i;aa:{ba:{if(J[c+38>>1]<=511){b=H[c+8>>2];a=H[c+12>>2];h=a;e=H[c+20>>2];k=H[c+16>>2];f=k+8|0;e=f>>>0<8?e+1|0:e;if(b>>>0>>0&(a|0)<=(e|0)|(a|0)<(e|0)){break aa}k=k+H[c>>2]|0;a=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);k=I[k+4|0]|I[k+5|0]<<8|(I[k+6|0]<<16|I[k+7|0]<<24);H[c+16>>2]=f;H[c+20>>2]=e;break ba}if(!gb(1,i+8|0,c)){break aa}f=H[c+16>>2];e=H[c+20>>2];b=H[c+8>>2];h=H[c+12>>2];a=H[i+8>>2];k=H[i+12>>2]}r=b-f|0;b=h-((b>>>0>>0)+e|0)|0;if((b|0)==(k|0)&a>>>0>r>>>0|b>>>0>>0){break aa}e=e+k|0;b=a+f|0;e=b>>>0>>0?e+1|0:e;H[c+16>>2]=b;H[c+20>>2]=e;if((a|0)<=0){break aa}b=H[c>>2]+f|0;H[g+48>>2]=b;c=a-1|0;f=c+b|0;e=I[f|0];ca:{if(e>>>0<=63){H[g+52>>2]=c;a=I[f|0]&63;break ca}da:{switch((e>>>6|0)-1|0){case 0:if(a>>>0<2){break aa}a=a-2|0;H[g+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8&16128|I[a|0];break ca;case 1:if(a>>>0<3){break aa}a=a-3|0;H[g+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8|I[a+2|0]<<16&4128768|I[a|0];break ca;default:break da}}a=a-4|0;H[g+52>>2]=a;a=a+b|0;a=(I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24))&1073741823}H[g+56>>2]=a+262144;d=a>>>0<66846720}ca=i+16|0;if(!d){break $}if(!m){o=1;break $}b=H[g+52>>2];a=H[g+56>>2];c=H[g+36>>2];d=H[g+48>>2];f=H[g+24>>2];while(1){ea:{if(a>>>0>262143){break ea}while(1){if((b|0)<=0){break ea}b=b-1|0;H[g+52>>2]=b;a=I[b+d|0]|a<<8;H[g+56>>2]=a;if(a>>>0<262144){continue}break}}e=a&65535;o=H[f+(e<<2)>>2];k=c+(o<<3)|0;a=(N(H[k>>2],a>>>16|0)+e|0)-H[k+4>>2]|0;H[g+56>>2]=a;H[j+(q<<2)>>2]=o;o=1;q=q+1|0;if((m|0)!=(q|0)){continue}break}}a=H[g+36>>2];if(a){H[g+40>>2]=a;oa(a)}a=H[g+24>>2];if(a){H[g+28>>2]=a;oa(a)}a=H[g+8>>2];if(a){H[g+12>>2]=a;oa(a)}ca=g- -64|0;b=o;break g;case 11:m=a;r=d;g=ca+-64|0;ca=g;H[g+56>>2]=0;H[g+48>>2]=0;H[g+52>>2]=0;H[g+40>>2]=0;H[g+44>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;H[g+24>>2]=0;H[g+28>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;j=g+8|0;a=J[c+38>>1];fa:{ga:{if(!a){break ga}ha:{if(a>>>0<=511){d=H[c+8>>2];b=H[c+12>>2];e=H[c+20>>2];a=H[c+16>>2];f=a+4|0;e=f>>>0<4?e+1|0:e;if(d>>>0>>0&(b|0)<=(e|0)|(b|0)<(e|0)){break ga}a=a+H[c>>2]|0;h=I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24);H[j+12>>2]=h;i=H[c+20>>2];f=H[c+16>>2]+4|0;i=f>>>0<4?i+1|0:i;H[c+16>>2]=f;e=i;H[c+20>>2]=e;break ha}if(!hb(1,j+12|0,c)){break ga}f=H[c+16>>2];e=H[c+20>>2];h=H[j+12>>2]}a=H[c+8>>2];d=a-f|0;a=H[c+12>>2]-((a>>>0>>0)+e|0)|0;if(d>>>0>>6>>>0&(a|0)<=0|(a|0)<0){break ga}b=H[j>>2];a=H[j+4>>2]-b>>2;ia:{if(a>>>0>>0){ya(j,h-a|0);h=H[j+12>>2];break ia}if(a>>>0<=h>>>0){break ia}H[j+4>>2]=b+(h<<2)}d=1;if(!h){break fa}f=H[c+16>>2];e=H[c+20>>2];s=H[j>>2];i=H[c+8>>2];n=H[c+12>>2];b=0;while(1){d=0;if((e|0)>=(n|0)&f>>>0>=i>>>0|(e|0)>(n|0)){break fa}d=H[c>>2];p=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=p>>>2|0;l=0;ja:{ka:{la:{ma:{t=p&3;switch(t|0){case 0:break ka;case 3:break ma;default:break la}}a=a+b|0;d=0;if(a>>>0>=h>>>0){break fa}ra(s+(b<<2)|0,0,(p&252)+4|0);b=a;break ja}while(1){if((f|0)==(i|0)&(e|0)==(n|0)){break ga}h=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=h<<(l<<3|6)|a;l=l+1|0;if((t|0)!=(l|0)){continue}break}}H[s+(b<<2)>>2]=a}b=b+1|0;h=H[j+12>>2];if(b>>>0>>0){continue}break}a=j+16|0;n=H[j>>2];d=H[j+16>>2];b=H[j+20>>2]-d|0;na:{if(b>>>0<=1048575){ya(a,262144-(b>>>2|0)|0);break na}if((b|0)==1048576){break na}H[j+20>>2]=d- -1048576}d=j+28|0;b=H[d>>2];f=H[j+32>>2]-b>>3;oa:{if(f>>>0>>0){ob(d,h-f|0);b=H[d>>2];break oa}if(f>>>0>h>>>0){H[j+32>>2]=(h<<3)+b}if(!h){break ga}}i=H[a>>2];f=0;d=0;while(1){e=n+(f<<2)|0;j=H[e>>2];l=(f<<3)+b|0;a=d;H[l+4>>2]=a;H[l>>2]=j;e=H[e>>2];d=e+a|0;if(d>>>0>262144){break ga}pa:{if(a>>>0>=d>>>0){break pa}l=0;j=e&7;if(j){while(1){H[i+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((j|0)!=(l|0)){continue}break}}if(e-1>>>0<=6){break pa}while(1){e=i+(a<<2)|0;H[e>>2]=f;H[e+28>>2]=f;H[e+24>>2]=f;H[e+20>>2]=f;H[e+16>>2]=f;H[e+12>>2]=f;H[e+8>>2]=f;H[e+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((h|0)!=(f|0)){continue}break}k=(d|0)==262144}d=k}qa:{if(!d|(H[g+20>>2]?0:m)){break qa}d=0;j=ca-16|0;ca=j;ra:{sa:{if(J[c+38>>1]<=511){b=H[c+8>>2];a=H[c+12>>2];h=a;i=H[c+20>>2];k=H[c+16>>2];f=k+8|0;i=f>>>0<8?i+1|0:i;e=i;if(b>>>0>>0&(e|0)>=(a|0)|(a|0)<(e|0)){break ra}k=k+H[c>>2]|0;a=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);k=I[k+4|0]|I[k+5|0]<<8|(I[k+6|0]<<16|I[k+7|0]<<24);H[c+16>>2]=f;H[c+20>>2]=e;break sa}if(!gb(1,j+8|0,c)){break ra}f=H[c+16>>2];e=H[c+20>>2];b=H[c+8>>2];h=H[c+12>>2];a=H[j+8>>2];k=H[j+12>>2]}i=b-f|0;b=h-((b>>>0>>0)+e|0)|0;if((b|0)==(k|0)&a>>>0>i>>>0|b>>>0>>0){break ra}e=e+k|0;b=a+f|0;e=b>>>0>>0?e+1|0:e;H[c+16>>2]=b;H[c+20>>2]=e;if((a|0)<=0){break ra}b=H[c>>2]+f|0;H[g+48>>2]=b;c=a-1|0;f=c+b|0;e=I[f|0];ta:{if(e>>>0<=63){H[g+52>>2]=c;a=I[f|0]&63;break ta}ua:{switch((e>>>6|0)-1|0){case 0:if(a>>>0<2){break ra}a=a-2|0;H[g+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8&16128|I[a|0];break ta;case 1:if(a>>>0<3){break ra}a=a-3|0;H[g+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8|I[a+2|0]<<16&4128768|I[a|0];break ta;default:break ua}}a=a-4|0;H[g+52>>2]=a;a=a+b|0;a=(I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24))&1073741823}H[g+56>>2]=a- -1048576;d=a>>>0<267386880}ca=j+16|0;if(!d){break qa}if(!m){o=1;break qa}b=H[g+52>>2];a=H[g+56>>2];c=H[g+36>>2];d=H[g+48>>2];f=H[g+24>>2];while(1){va:{if(a>>>0>1048575){break va}while(1){if((b|0)<=0){break va}b=b-1|0;H[g+52>>2]=b;a=I[b+d|0]|a<<8;H[g+56>>2]=a;if(a>>>0<1048576){continue}break}}e=a&262143;o=H[f+(e<<2)>>2];k=c+(o<<3)|0;a=(N(H[k>>2],a>>>18|0)+e|0)-H[k+4>>2]|0;H[g+56>>2]=a;H[r+(q<<2)>>2]=o;o=1;q=q+1|0;if((m|0)!=(q|0)){continue}break}}a=H[g+36>>2];if(a){H[g+40>>2]=a;oa(a)}a=H[g+24>>2];if(a){H[g+28>>2]=a;oa(a)}a=H[g+8>>2];if(a){H[g+12>>2]=a;oa(a)}ca=g- -64|0;b=o;break g;case 12:m=a;r=d;g=ca+-64|0;ca=g;H[g+56>>2]=0;H[g+48>>2]=0;H[g+52>>2]=0;H[g+40>>2]=0;H[g+44>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;H[g+24>>2]=0;H[g+28>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;j=g+8|0;a=J[c+38>>1];wa:{xa:{if(!a){break xa}ya:{if(a>>>0<=511){d=H[c+8>>2];b=H[c+12>>2];i=H[c+20>>2];a=H[c+16>>2];f=a+4|0;i=f>>>0<4?i+1|0:i;if(d>>>0>>0&(b|0)<=(i|0)|(b|0)<(i|0)){break xa}a=a+H[c>>2]|0;h=I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24);H[j+12>>2]=h;e=H[c+20>>2];f=H[c+16>>2]+4|0;e=f>>>0<4?e+1|0:e;H[c+16>>2]=f;H[c+20>>2]=e;break ya}if(!hb(1,j+12|0,c)){break xa}f=H[c+16>>2];e=H[c+20>>2];h=H[j+12>>2]}a=H[c+8>>2];d=a-f|0;a=H[c+12>>2]-((a>>>0>>0)+e|0)|0;if(d>>>0>>6>>>0&(a|0)<=0|(a|0)<0){break xa}b=H[j>>2];a=H[j+4>>2]-b>>2;za:{if(a>>>0>>0){ya(j,h-a|0);h=H[j+12>>2];break za}if(a>>>0<=h>>>0){break za}H[j+4>>2]=b+(h<<2)}d=1;if(!h){break wa}f=H[c+16>>2];e=H[c+20>>2];s=H[j>>2];i=H[c+8>>2];n=H[c+12>>2];b=0;while(1){d=0;if((e|0)>=(n|0)&f>>>0>=i>>>0|(e|0)>(n|0)){break wa}d=H[c>>2];p=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=p>>>2|0;l=0;Aa:{Ba:{Ca:{Da:{t=p&3;switch(t|0){case 0:break Ba;case 3:break Da;default:break Ca}}a=a+b|0;d=0;if(a>>>0>=h>>>0){break wa}ra(s+(b<<2)|0,0,(p&252)+4|0);b=a;break Aa}while(1){if((f|0)==(i|0)&(e|0)==(n|0)){break xa}h=I[d+f|0];f=f+1|0;e=f?e:e+1|0;H[c+16>>2]=f;H[c+20>>2]=e;a=h<<(l<<3|6)|a;l=l+1|0;if((t|0)!=(l|0)){continue}break}}H[s+(b<<2)>>2]=a}b=b+1|0;h=H[j+12>>2];if(b>>>0>>0){continue}break}a=j+16|0;n=H[j>>2];d=H[j+16>>2];b=H[j+20>>2]-d|0;Ea:{if(b>>>0<=2097151){ya(a,524288-(b>>>2|0)|0);break Ea}if((b|0)==2097152){break Ea}H[j+20>>2]=d+2097152}d=j+28|0;b=H[d>>2];f=H[j+32>>2]-b>>3;Fa:{if(f>>>0>>0){ob(d,h-f|0);b=H[d>>2];break Fa}if(f>>>0>h>>>0){H[j+32>>2]=(h<<3)+b}if(!h){break xa}}i=H[a>>2];f=0;d=0;while(1){e=n+(f<<2)|0;j=H[e>>2];l=(f<<3)+b|0;a=d;H[l+4>>2]=a;H[l>>2]=j;e=H[e>>2];d=e+a|0;if(d>>>0>524288){break xa}Ga:{if(a>>>0>=d>>>0){break Ga}l=0;j=e&7;if(j){while(1){H[i+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((j|0)!=(l|0)){continue}break}}if(e-1>>>0<=6){break Ga}while(1){e=i+(a<<2)|0;H[e>>2]=f;H[e+28>>2]=f;H[e+24>>2]=f;H[e+20>>2]=f;H[e+16>>2]=f;H[e+12>>2]=f;H[e+8>>2]=f;H[e+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((h|0)!=(f|0)){continue}break}k=(d|0)==524288}d=k}Ha:{if(!d|(H[g+20>>2]?0:m)){break Ha}d=0;i=ca-16|0;ca=i;Ia:{Ja:{if(J[c+38>>1]<=511){b=H[c+8>>2];a=H[c+12>>2];h=a;e=H[c+20>>2];k=H[c+16>>2];f=k+8|0;e=f>>>0<8?e+1|0:e;if(b>>>0>>0&(a|0)<=(e|0)|(a|0)<(e|0)){break Ia}k=k+H[c>>2]|0;a=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);k=I[k+4|0]|I[k+5|0]<<8|(I[k+6|0]<<16|I[k+7|0]<<24);H[c+16>>2]=f;H[c+20>>2]=e;break Ja}if(!gb(1,i+8|0,c)){break Ia}f=H[c+16>>2];e=H[c+20>>2];b=H[c+8>>2];h=H[c+12>>2];a=H[i+8>>2];k=H[i+12>>2]}j=b-f|0;b=h-((b>>>0>>0)+e|0)|0;if((b|0)==(k|0)&a>>>0>j>>>0|b>>>0>>0){break Ia}e=e+k|0;b=a+f|0;e=b>>>0>>0?e+1|0:e;H[c+16>>2]=b;H[c+20>>2]=e;if((a|0)<=0){break Ia}b=H[c>>2]+f|0;H[g+48>>2]=b;c=a-1|0;f=c+b|0;e=I[f|0];Ka:{if(e>>>0<=63){H[g+52>>2]=c;a=I[f|0]&63;break Ka}La:{switch((e>>>6|0)-1|0){case 0:if(a>>>0<2){break Ia}a=a-2|0;H[g+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8&16128|I[a|0];break Ka;case 1:if(a>>>0<3){break Ia}a=a-3|0;H[g+52>>2]=a;a=a+b|0;a=I[a+1|0]<<8|I[a+2|0]<<16&4128768|I[a|0];break Ka;default:break La}}a=a-4|0;H[g+52>>2]=a;a=a+b|0;a=(I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24))&1073741823}H[g+56>>2]=a+2097152;d=a>>>0<534773760}ca=i+16|0;if(!d){break Ha}if(!m){o=1;break Ha}b=H[g+52>>2];a=H[g+56>>2];c=H[g+36>>2];d=H[g+48>>2];f=H[g+24>>2];while(1){Ma:{if(a>>>0>2097151){break Ma}while(1){if((b|0)<=0){break Ma}b=b-1|0;H[g+52>>2]=b;a=I[b+d|0]|a<<8;H[g+56>>2]=a;if(a>>>0<2097152){continue}break}}e=a&524287;o=H[f+(e<<2)>>2];k=c+(o<<3)|0;a=(N(H[k>>2],a>>>19|0)+e|0)-H[k+4>>2]|0;H[g+56>>2]=a;H[r+(q<<2)>>2]=o;o=1;q=q+1|0;if((m|0)!=(q|0)){continue}break}}a=H[g+36>>2];if(a){H[g+40>>2]=a;oa(a)}a=H[g+24>>2];if(a){H[g+28>>2]=a;oa(a)}a=H[g+8>>2];if(a){H[g+12>>2]=a;oa(a)}ca=g- -64|0;b=o;break g;case 17:b=Le(a,c,d);break g;case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:b=ca+-64|0;ca=b;H[b+56>>2]=0;H[b+48>>2]=0;H[b+52>>2]=0;H[b+40>>2]=0;H[b+44>>2]=0;H[b+32>>2]=0;H[b+36>>2]=0;H[b+24>>2]=0;H[b+28>>2]=0;H[b+16>>2]=0;H[b+20>>2]=0;H[b+8>>2]=0;H[b+12>>2]=0;Na:{if(!Ne(b+8|0,c)|(H[b+20>>2]?0:a)){break Na}if(!Me(b+8|0,c)){break Na}if(!a){f=1;break Na}e=H[b+52>>2];c=H[b+56>>2];k=H[b+36>>2];i=H[b+48>>2];g=H[b+24>>2];while(1){Oa:{if(c>>>0>16383){break Oa}while(1){if((e|0)<=0){break Oa}e=e-1|0;H[b+52>>2]=e;c=I[e+i|0]|c<<8;H[b+56>>2]=c;if(c>>>0<16384){continue}break}}f=c&4095;m=H[g+(f<<2)>>2];r=k+(m<<3)|0;c=(N(H[r>>2],c>>>12|0)+f|0)-H[r+4>>2]|0;H[b+56>>2]=c;H[(o<<2)+d>>2]=m;f=1;o=o+1|0;if((o|0)!=(a|0)){continue}break}}a=H[b+36>>2];if(a){H[b+40>>2]=a;oa(a)}a=H[b+24>>2];if(a){H[b+28>>2]=a;oa(a)}a=H[b+8>>2];if(a){H[b+12>>2]=a;oa(a)}ca=b- -64|0;b=f;break g;case 13:case 14:case 15:case 16:break h;default:break g}}b=Le(a,c,d)}f=b}return f}function gi(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,L=0,M=0,O=0,P=0,Q=0,R=0;s=ca+-64|0;ca=s;H[a+132>>2]=0;if(H[a+148>>2]){c=H[a+144>>2];if(c){while(1){d=H[c>>2];oa(c);c=d;if(c){continue}break}}c=0;H[a+144>>2]=0;d=H[a+140>>2];a:{if(!d){break a}if(d>>>0>=4){g=d&-4;while(1){e=c<<2;H[e+H[a+136>>2]>>2]=0;H[H[a+136>>2]+(e|4)>>2]=0;H[H[a+136>>2]+(e|8)>>2]=0;H[H[a+136>>2]+(e|12)>>2]=0;c=c+4|0;b=b+4|0;if((g|0)!=(b|0)){continue}break}}b=d&3;if(!b){break a}while(1){H[H[a+136>>2]+(c<<2)>>2]=0;c=c+1|0;u=u+1|0;if((b|0)!=(u|0)){continue}break}}H[a+148>>2]=0}b:{c:{d:{c=H[a+4>>2];u=I[c+36|0];b=u<<8|I[c+37|0];if(b>>>0<=513){i=H[c+32>>2];e:{if(b>>>0<=511){b=H[i+20>>2];e=H[i+16>>2];d=e+4|0;b=d>>>0<4?b+1|0:b;g=b;h=H[i+12>>2];if(K[i+8>>2]>>0&(b|0)>=(h|0)|(b|0)>(h|0)){break d}b=e+H[i>>2]|0;b=I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24);H[i+16>>2]=d;H[i+20>>2]=g;break e}if(!Ea(1,s,i)){break d}c=H[a+4>>2];u=I[c+36|0];b=H[s>>2]}H[a+132>>2]=b}g=H[c+32>>2];f:{g:{h:{if((u&255)>>>0<=1){u=0;d=H[g+20>>2];e=H[g+16>>2];b=e+4|0;d=b>>>0<4?d+1|0:d;i=H[g+12>>2];if(K[g+8>>2]>>0&(i|0)<=(d|0)|(d|0)>(i|0)){break c}e=e+H[g>>2]|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[s+60>>2]=e;H[g+16>>2]=b;H[g+20>>2]=d;H[a+156>>2]=e;n=a+156|0;break h}u=0;if(!Ea(1,s+60|0,g)){break c}c=H[a+4>>2];b=I[c+36|0];H[a+156>>2]=H[s+60>>2];n=a+156|0;if(b>>>0>1){break g}}g=H[c+32>>2];h=H[g+8>>2];i=H[g+12>>2];c=H[g+20>>2];d=H[g+16>>2];b=d+4|0;c=b>>>0<4?c+1|0:c;e=b;if(b>>>0>h>>>0&(c|0)>=(i|0)|(c|0)>(i|0)){break c}b=d+H[g>>2]|0;b=I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24);H[s+56>>2]=b;H[g+16>>2]=e;H[g+20>>2]=c;break f}if(!Ea(1,s+56|0,H[c+32>>2])){break c}b=H[s+56>>2]}if(b>>>0>1431655765|K[n>>2]>N(b,3)>>>0){break c}f=H[a+4>>2];g=H[f+32>>2];c=g;e=H[c+8>>2];i=H[c+16>>2];j=H[c+12>>2];d=H[c+20>>2];c=d;if((j|0)<=(c|0)&e>>>0<=i>>>0|(c|0)>(j|0)){break c}n=H[g>>2];o=I[n+i|0];h=i+1|0;c=h?c:c+1|0;H[g+16>>2]=h;H[g+20>>2]=c;i:{if(I[f+36|0]<=1){f=e;c=j;e=i+5|0;d=e>>>0<5?d+1|0:d;if((c|0)<=(d|0)&e>>>0>f>>>0|(c|0)<(d|0)){break c}c=h+n|0;n=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[s+52>>2]=n;H[g+16>>2]=e;H[g+20>>2]=d;break i}if(!Ea(1,s+52|0,g)){break c}n=H[s+52>>2]}if(b>>>0>>0|((n>>>0)/3|0)+n>>>0>>0){break c}c=H[a+4>>2];i=H[c+32>>2];j:{if(I[c+36|0]<=1){c=H[i+20>>2];e=H[i+16>>2];d=e+4|0;c=d>>>0<4?c+1|0:c;g=d;f=K[i+8>>2]>>0;d=H[i+12>>2];if(f&(d|0)<=(c|0)|(c|0)>(d|0)){break c}d=e+H[i>>2]|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[s+48>>2]=d;H[i+16>>2]=g;H[i+20>>2]=c;break j}if(!Ea(1,s+48|0,i)){break c}d=H[s+48>>2]}if(d>>>0>n>>>0){break c}H[a+28>>2]=H[a+24>>2];e=$b(pa(88));c=H[a+8>>2];H[a+8>>2]=e;if(c){cb(c);if(!H[a+8>>2]){break c}}H[a+164>>2]=H[a+160>>2];Jb(a+160|0,b);H[a+176>>2]=H[a+172>>2];Jb(a+172|0,b);H[a- -64>>2]=0;H[a+92>>2]=-1;H[a+84>>2]=-1;H[a+88>>2]=-1;H[a+40>>2]=H[a+36>>2];H[a+52>>2]=H[a+48>>2];H[a+76>>2]=H[a+72>>2];B=a+216|0;ed(B);dd(B,o);if(!Lc(H[a+8>>2],b,H[a+156>>2]+d|0)){break c}c=H[a+156>>2];F[s|0]=1;Oa(a+120|0,c+d|0,s);c=H[a+4>>2];b=J[c+36>>1];b=(b<<8|b>>>8)&65535;k:{if(b>>>0<=513){i=H[c+32>>2];l:{if(b>>>0<=511){b=H[i+20>>2];e=H[i+16>>2];c=e+4|0;b=c>>>0<4?b+1|0:b;g=b;h=H[i+12>>2];if(K[i+8>>2]>>0&(b|0)>=(h|0)|(b|0)>(h|0)){break c}b=e+H[i>>2]|0;b=I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24);H[i+16>>2]=c;H[i+20>>2]=g;break l}if(!Ea(1,s+44|0,i)){break c}b=H[s+44>>2]}if(!b){break c}c=H[H[a+4>>2]+32>>2];e=H[c+8>>2];g=H[c+16>>2];i=e-g|0;c=H[c+12>>2]-(H[c+20>>2]+(e>>>0>>0)|0)|0;if((c|0)<=0&b>>>0>i>>>0|(c|0)<0){break c}c=Ha(s);e=H[H[a+4>>2]+32>>2];g=H[e+16>>2];i=(g+H[e>>2]|0)+b|0;g=H[e+8>>2]-g|0;G[c+38>>1]=J[e+38>>1];H[c>>2]=i;H[c+16>>2]=0;H[c+20>>2]=0;H[c+8>>2]=g-b;H[c+12>>2]=0;C=Ib(a,c);if((C|0)==-1){break c}M=C>>31;break k}C=-1;M=-1;if((Ib(a,H[c+32>>2])|0)==-1){break c}}e=a+232|0;Ee(e,a);H[a+372>>2]=o;H[a+384>>2]=H[a+156>>2]+d;O=Ha(s);g=O;b=0;j=ca-16|0;ca=j;m:{n:{c=H[e+144>>2];c=J[(ea[H[H[c>>2]+32>>2]](c)|0)+36>>1];if(((c<<8|c>>>8)&65535)>>>0<=513){c=H[e+4>>2];H[e+40>>2]=H[e>>2];H[e+44>>2]=c;c=H[e+36>>2];H[e+72>>2]=H[e+32>>2];H[e+76>>2]=c;d=H[e+28>>2];c=e- -64|0;H[c>>2]=H[e+24>>2];H[c+4>>2]=d;c=H[e+20>>2];H[e+56>>2]=H[e+16>>2];H[e+60>>2]=c;c=H[e+12>>2];H[e+48>>2]=H[e+8>>2];H[e+52>>2]=c;if(!Db(e+40|0,1,j+8|0)){break n}c=H[e+44>>2];H[e>>2]=H[e+40>>2];H[e+4>>2]=c;c=H[e+76>>2];H[e+32>>2]=H[e+72>>2];H[e+36>>2]=c;c=H[e+68>>2];H[e+24>>2]=H[e+64>>2];H[e+28>>2]=c;c=H[e+60>>2];h=c;d=H[e+56>>2];H[e+16>>2]=d;H[e+20>>2]=c;i=H[e+52>>2];f=i;c=H[e+48>>2];H[e+8>>2]=c;H[e+12>>2]=f;o=c-d|0;k=H[j+12>>2];c=f-((c>>>0>>0)+h|0)|0;i=H[j+8>>2];if((k|0)==(c|0)&o>>>0>>0|c>>>0>>0){break n}c=h+k|0;f=d;d=d+i|0;c=f>>>0>d>>>0?c+1|0:c;H[e+16>>2]=d;H[e+20>>2]=c}o:{if(J[e+38>>1]<=513){c=H[e+4>>2];H[e+96>>2]=H[e>>2];H[e+100>>2]=c;c=H[e+36>>2];H[e+128>>2]=H[e+32>>2];H[e+132>>2]=c;c=H[e+28>>2];H[e+120>>2]=H[e+24>>2];H[e+124>>2]=c;c=H[e+20>>2];H[e+112>>2]=H[e+16>>2];H[e+116>>2]=c;c=H[e+12>>2];H[e+104>>2]=H[e+8>>2];H[e+108>>2]=c;if(!Db(e+96|0,1,j+8|0)){break n}c=H[e+100>>2];H[e>>2]=H[e+96>>2];H[e+4>>2]=c;c=H[e+132>>2];H[e+32>>2]=H[e+128>>2];H[e+36>>2]=c;c=H[e+124>>2];H[e+24>>2]=H[e+120>>2];H[e+28>>2]=c;d=H[e+116>>2];h=d;c=H[e+112>>2];H[e+16>>2]=c;H[e+20>>2]=d;i=H[e+108>>2];f=i;d=H[e+104>>2];H[e+8>>2]=d;H[e+12>>2]=f;o=d-c|0;k=H[j+12>>2];d=f-((c>>>0>d>>>0)+h|0)|0;i=H[j+8>>2];if((k|0)==(d|0)&o>>>0>>0|d>>>0>>0){break n}d=h+k|0;f=c;c=c+i|0;d=f>>>0>c>>>0?d+1|0:d;H[e+16>>2]=c;H[e+20>>2]=d;break o}if(!ta(e+80|0,e)){break m}}if(!Fe(e)){break m}c=H[e+4>>2];H[g>>2]=H[e>>2];H[g+4>>2]=c;c=H[e+36>>2];H[g+32>>2]=H[e+32>>2];H[g+36>>2]=c;c=H[e+28>>2];H[g+24>>2]=H[e+24>>2];H[g+28>>2]=c;c=H[e+20>>2];H[g+16>>2]=H[e+16>>2];H[g+20>>2]=c;c=H[e+12>>2];H[g+8>>2]=H[e+8>>2];H[g+12>>2]=c;c=H[e+144>>2];c=J[(ea[H[H[c>>2]+32>>2]](c)|0)+36>>1];p:{if(((c<<8|c>>>8)&65535)>>>0<=513){c=H[e+144>>2];q:{if(I[(ea[H[H[c>>2]+32>>2]](c)|0)+36|0]<=1){c=H[g+20>>2];i=H[g+16>>2];d=i+4|0;c=d>>>0<4?c+1|0:c;h=d;f=K[g+8>>2]>>0;d=H[g+12>>2];if(f&(d|0)<=(c|0)|(c|0)>(d|0)){break m}d=i+H[g>>2]|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[g+16>>2]=h;H[g+20>>2]=c;break q}if(!Ea(1,j+8|0,g)){break m}d=H[j+8>>2]}c=H[e+152>>2];if(d>>>0>=c>>>0){break m}d=H[g+20>>2];h=H[g+12>>2];i=H[g+16>>2];if((d|0)>=(h|0)&i>>>0>=K[g+8>>2]|(d|0)>(h|0)){break m}h=I[i+H[g>>2]|0];i=i+1|0;d=i?d:d+1|0;H[g+16>>2]=i;H[g+20>>2]=d;if(h){break m}H[e+176>>2]=2;H[e+180>>2]=7;break p}H[e+176>>2]=2;H[e+180>>2]=7;c=H[e+152>>2]}if((c|0)<0){break m}H[j+8>>2]=0;b=2;h=H[e+156>>2];i=H[e+160>>2]-h>>2;r:{if(i>>>0>>0){Pa(e+156|0,c-i|0,j+8|0);b=H[e+176>>2];d=H[e+180>>2];break r}d=7;if(c>>>0>=i>>>0){break r}H[e+160>>2]=h+(c<<2)}i=e+184|0;b=(d-b|0)+1|0;c=H[e+188>>2];h=H[e+184>>2];d=(c-h|0)/12|0;s:{if(b>>>0>d>>>0){o=0;d=b-d|0;f=H[i+8>>2];c=H[i+4>>2];t:{if(d>>>0<=(f-c|0)/12>>>0){if(d){b=c;c=N(d,12)-12|0;c=(c-((c>>>0)%12|0)|0)+12|0;c=ra(b,0,c)+c|0}H[i+4>>2]=c;break t}u:{v:{w:{h=H[i>>2];k=(c-h|0)/12|0;b=k+d|0;if(b>>>0<357913942){f=(f-h|0)/12|0;l=f<<1;f=f>>>0>=178956970?357913941:b>>>0>>0?l:b;if(f){if(f>>>0>=357913942){break w}o=pa(N(f,12))}b=N(k,12)+o|0;d=N(d,12)-12|0;k=(d-((d>>>0)%12|0)|0)+12|0;d=ra(b,0,k);k=d+k|0;f=N(f,12)+o|0;if((c|0)==(h|0)){break v}while(1){b=b-12|0;c=c-12|0;H[b>>2]=H[c>>2];H[b+4>>2]=H[c+4>>2];H[b+8>>2]=H[c+8>>2];H[c+8>>2]=0;H[c>>2]=0;H[c+4>>2]=0;if((c|0)!=(h|0)){continue}break}H[i+8>>2]=f;d=H[i+4>>2];H[i+4>>2]=k;c=H[i>>2];H[i>>2]=b;if((c|0)==(d|0)){break u}while(1){b=d-12|0;h=H[b>>2];if(h){H[d-8>>2]=h;oa(h)}d=b;if((b|0)!=(c|0)){continue}break}break u}break b}wa();v()}H[i+8>>2]=f;H[i+4>>2]=k;H[i>>2]=d}if(c){oa(c)}}d=H[e+188>>2];break s}if(b>>>0>=d>>>0){d=c;break s}d=h+N(b,12)|0;if((d|0)!=(c|0)){while(1){b=c-12|0;h=H[b>>2];if(h){H[c-8>>2]=h;oa(h)}c=b;if((d|0)!=(b|0)){continue}break}}H[e+188>>2]=d}f=e+196|0;b=H[e+184>>2];c=(d-b|0)/12|0;o=H[e+196>>2];h=H[e+200>>2]-o>>2;x:{if(c>>>0>h>>>0){ya(f,c-h|0);b=H[e+184>>2];d=H[e+188>>2];break x}if(c>>>0>=h>>>0){break x}H[e+200>>2]=o+(c<<2)}if((b|0)==(d|0)){b=1;break m}c=0;while(1){if(!Ea(1,j+8|0,g)){break n}b=H[e+148>>2];d=(H[b+4>>2]-H[b>>2]>>2>>>0)/3|0;b=H[j+8>>2];if(d>>>0>>0){break n}if(b){k=N(c,12);h=k+H[i>>2]|0;d=H[h>>2];o=H[h+4>>2]-d>>2;y:{if(o>>>0>>0){ya(h,b-o|0);d=H[k+H[i>>2]>>2];break y}if(b>>>0>=o>>>0){break y}H[h+4>>2]=(b<<2)+d}kd(b,1,g,d);H[H[f>>2]+(c<<2)>>2]=b}b=1;c=c+1|0;if(c>>>0<(H[e+188>>2]-H[e+184>>2]|0)/12>>>0){continue}break}break m}b=0}ca=j+16|0;z:{if(!b){break z}d=0;c=0;g=0;i=0;o=0;l=ca-96|0;ca=l;H[l+72>>2]=0;H[l+64>>2]=0;H[l+68>>2]=0;H[l+48>>2]=0;H[l+52>>2]=0;H[l+40>>2]=0;H[l+44>>2]=0;H[l+56>>2]=1065353216;H[l+32>>2]=0;H[l+24>>2]=0;H[l+28>>2]=0;j=a;L=H[a+124>>2];A:{B:{C:{D:{E:{if((n|0)<=0){break E}r=j+232|0;P=H[j+216>>2]!=H[j+220>>2];D=1;while(1){h=i;i=h+1|0;a=H[r+172>>2];F:{G:{if((a|0)!=-1){b=H[r+196>>2]+(a<<2)|0;f=H[b>>2];a=f-1|0;H[b>>2]=a;b=9;if((f|0)<=0){break F}a=H[H[H[r+184>>2]+N(H[r+172>>2],12)>>2]+(a<<2)>>2];if(a>>>0>4){break F}b=H[(a<<2)+12144>>2];break G}b=7;a=H[r+144>>2];a=J[(ea[H[H[a>>2]+32>>2]](a)|0)+36>>1];if(((a<<8|a>>>8)&65535)>>>0>513|!I[r+76|0]){break G}b=0;m=H[r- -64>>2];k=H[r+72>>2];a=m+(k>>>3|0)|0;p=H[r+68>>2];if(a>>>0>=p>>>0){break G}f=I[a|0];a=k+1|0;H[r+72>>2]=a;f=f>>>(k&7)&1;if(!f){break G}q=a>>>3|0;b=m+q|0;H:{if(b>>>0>=p>>>0){b=a;a=0;break H}t=I[b|0];b=k+2|0;H[r+72>>2]=b;q=b>>>3|0;a=t>>>(a&7)&1}k=m+q|0;if(k>>>0

>>0){k=I[k|0];H[r+72>>2]=b+1;b=k>>>(b&7)<<1&2}else{b=0}b=(a|b)<<1|f}H[r+168>>2]=b}a=b;I:{J:{if(!a){if((c|0)==(g|0)){b=-1;break D}d=-1;m=H[j+8>>2];t=H[m+24>>2];D=c-4|0;f=H[D>>2];a=-1;K:{if((f|0)==-1){break K}k=f+1|0;k=(k>>>0)%3|0?k:f-2|0;a=-1;if((k|0)==-1){break K}a=H[H[m>>2]+(k<<2)>>2]}b=H[t+(a<<2)>>2];if((b|0)!=-1){d=b+1|0;d=(d>>>0)%3|0?d:b-2|0}if((d|0)==(f|0)){b=-1;break D}if((f|0)!=-1){b=-1;if(H[H[m+12>>2]+(f<<2)>>2]!=-1){break D}}k=H[m+12>>2];if((d|0)!=-1){b=-1;if(H[k+(d<<2)>>2]!=-1){break D}}p=N(h,3);b=p+1|0;H[k+(f<<2)>>2]=b;w=b<<2;H[w+k>>2]=f;q=p+2|0;H[k+(d<<2)>>2]=q;y=q<<2;H[y+k>>2]=d;k=-1;h=-1;L:{if((f|0)==-1){break L}M:{if((f>>>0)%3|0){b=f-1|0;break M}b=f+2|0;h=-1;if((b|0)==-1){break L}}h=H[H[m>>2]+(b<<2)>>2]}N:{if((d|0)==-1){break N}b=d+1|0;b=(b>>>0)%3|0?b:d-2|0;if((b|0)==-1){break N}k=H[H[m>>2]+(b<<2)>>2]}b=-1;if((a|0)==(h|0)|(a|0)==(k|0)){break D}b=H[m>>2];H[b+(p<<2)>>2]=a;H[b+w>>2]=k;H[b+y>>2]=h;if((h|0)!=-1){H[t+(h<<2)>>2]=q}b=H[j+120>>2]+(a>>>3&536870908)|0;d=H[b>>2];Q=b,R=Vj(a)&d,H[Q>>2]=R;H[D>>2]=p;k=H[c-4>>2];break J}b=-1;O:{P:{Q:{R:{S:{T:{U:{V:{W:{switch(a-1|0){case 2:case 4:if((c|0)==(g|0)){break D}t=c-4|0;d=H[t>>2];f=H[j+8>>2];m=H[f+12>>2];if((d|0)!=-1&H[m+(d<<2)>>2]!=-1){break D}k=N(h,3);p=(a|0)==5;q=k+(p?2:1)|0;w=q<<2;H[w+m>>2]=d;H[m+(d<<2)>>2]=q;Ka(f+24|0,11424);a=H[j+8>>2];m=H[a+24>>2];if(H[a+28>>2]-m>>2>(L|0)){break D}a=H[a>>2];y=a+w|0;b=H[f+28>>2];f=H[f+24>>2];w=(b-f>>2)-1|0;H[y>>2]=w;if((b|0)!=(f|0)){H[m+(w<<2)>>2]=q}b=p?k:k+2|0;q=a+(k+p<<2)|0;X:{if((d|0)==-1){H[a+(b<<2)>>2]=-1;b=-1;break X}Y:{Z:{_:{if((d>>>0)%3|0){f=d-1|0;break _}f=d+2|0;if((f|0)==-1){break Z}}f=H[a+(f<<2)>>2];H[a+(b<<2)>>2]=f;if((f|0)==-1){break Y}H[m+(f<<2)>>2]=b;break Y}H[a+(b<<2)>>2]=-1}f=d+1|0;d=(f>>>0)%3|0?f:d-2|0;b=-1;if((d|0)==-1){break X}b=H[a+(d<<2)>>2]}H[q>>2]=b;H[t>>2]=k;break V;case 0:if((c|0)==(d|0)){break D}a=c-4|0;m=H[a>>2];H[l+68>>2]=a;p=H[l+44>>2];$:{if(!p){c=a;break $}f=H[l+40>>2];q=Uj(p)>>>0>1;b=h&p+2147483647;aa:{if(!q){break aa}b=h;if(b>>>0

>>0){break aa}b=(h>>>0)%(p>>>0)|0}k=b;b=H[f+(k<<2)>>2];if(!b){c=a;break $}b=H[b>>2];if(!b){c=a;break $}ba:{if(!q){f=p-1|0;while(1){p=H[b+4>>2];ca:{if((p|0)!=(h|0)){if((k|0)==(f&p)){break ca}c=a;break $}if((h|0)==H[b+8>>2]){break ba}}b=H[b>>2];if(b){continue}break}c=a;break $}while(1){f=H[b+4>>2];da:{if((f|0)!=(h|0)){if(f>>>0>=p>>>0){f=(f>>>0)%(p>>>0)|0}if((f|0)==(k|0)){break da}c=a;break $}if((h|0)==H[b+8>>2]){break ba}}b=H[b>>2];if(b){continue}break}c=a;break $}if((a|0)!=(x|0)){H[a>>2]=H[b+12>>2];H[l+68>>2]=c;break $}a=x-d|0;g=a>>2;c=g+1|0;if(c>>>0>=1073741824){break b}f=a>>>1|0;f=a>>>0>=2147483644?1073741823:c>>>0>>0?f:c;if(f){if(f>>>0>=1073741824){break B}a=pa(f<<2)}else{a=0}g=a+(g<<2)|0;H[g>>2]=H[b+12>>2];c=g+4|0;if((d|0)!=(x|0)){while(1){g=g-4|0;x=x-4|0;H[g>>2]=H[x>>2];if((d|0)!=(x|0)){continue}break}}x=a+(f<<2)|0;H[l+72>>2]=x;H[l+68>>2]=c;H[l+64>>2]=g;if(d){oa(d)}}if((c|0)==(g|0)){break P}w=c-4|0;a=H[w>>2];if((a|0)==(m|0)){break P}b=(a|0)==-1;p=H[j+8>>2];if(!b&H[H[p+12>>2]+(a<<2)>>2]!=-1){break P}q=H[p+12>>2];if((m|0)!=-1&H[q+(m<<2)>>2]!=-1){break P}k=N(h,3);t=k+2|0;H[q+(a<<2)>>2]=t;h=t<<2;H[h+q>>2]=a;d=k+1|0;H[q+(m<<2)>>2]=d;y=d<<2;H[y+q>>2]=m;if(b){break T}if((a>>>0)%3|0){f=a-1|0;break S}f=a+2|0;if((f|0)!=-1){break S}d=H[p>>2];f=-1;break R;case 6:break W;default:break D}}k=H[j+8>>2];Ka(k+24|0,11424);f=H[j+8>>2];a=N(h,3);m=H[k+28>>2];p=H[k+24>>2];q=m-p|0;k=q>>2;t=k-1|0;H[H[f>>2]+(a<<2)>>2]=t;Ka(f+24|0,11424);w=a+1|0;H[H[f>>2]+(w<<2)>>2]=(H[f+28>>2]-H[f+24>>2]>>2)-1;f=H[j+8>>2];Ka(f+24|0,11424);y=a+2|0;H[H[f>>2]+(y<<2)>>2]=(H[f+28>>2]-H[f+24>>2]>>2)-1;E=H[j+8>>2];f=H[E+24>>2];if(H[E+28>>2]-f>>2>(L|0)){break D}ea:{fa:{if((m|0)!=(p|0)){H[f+(t<<2)>>2]=a;b=0;if((q|0)==-4){break fa}}H[f+(k<<2)>>2]=w;b=k+1|0;if((b|0)==-1){break ea}}H[f+(b<<2)>>2]=y}if((c|0)!=(x|0)){H[c>>2]=a;c=c+4|0;H[l+68>>2]=c;break U}b=c-d|0;k=b>>2;g=k+1|0;if(g>>>0>=1073741824){break b}f=b>>>1|0;b=b>>>0>=2147483644?1073741823:g>>>0>>0?f:g;if(b){if(b>>>0>=1073741824){break B}f=pa(b<<2)}else{f=0}g=f+(k<<2)|0;H[g>>2]=a;x=f+(b<<2)|0;a=g+4|0;if((c|0)!=(d|0)){while(1){g=g-4|0;c=c-4|0;H[g>>2]=H[c>>2];if((c|0)!=(d|0)){continue}break}}H[l+72>>2]=x;H[l+68>>2]=a;H[l+64>>2]=g;if(d){oa(d)}c=a}d=g}Ce(r,H[c-4>>2]);a=H[j+40>>2];if((a|0)==H[j+36>>2]){break I}b=a-12|0;f=H[b+4>>2];h=(h^-1)+n|0;if(f>>>0>h>>>0){break P}if((f|0)!=(h|0)){break I}k=I[a-4|0];f=H[b>>2];H[j+40>>2]=b;if((f|0)<0){break P}m=c-4|0;a=H[m>>2];H[l+20>>2]=(f^-1)+n;b=l+20|0;H[l+88>>2]=b;Gb(l,l+40|0,b,l+88|0);f=H[l>>2];ga:{if(k&1){b=-1;if((a|0)==-1){break ga}b=a+1|0;b=(b>>>0)%3|0?b:a-2|0;break ga}b=-1;if((a|0)==-1){break ga}b=a-1|0;if((a>>>0)%3|0){break ga}b=a+2|0}H[f+12>>2]=b;b=H[j+40>>2];if((b|0)==H[j+36>>2]){break I}while(1){a=b-12|0;f=H[a+4>>2];if(f>>>0>h>>>0){break P}if((f|0)!=(h|0)){break I}f=I[b-4|0];b=H[a>>2];H[j+40>>2]=a;if((b|0)<0){break P}a=H[m>>2];H[l+20>>2]=(b^-1)+n;b=l+20|0;H[l+88>>2]=b;Gb(l,l+40|0,b,l+88|0);k=H[l>>2];ha:{if(f&1){b=-1;if((a|0)==-1){break ha}b=a+1|0;b=(b>>>0)%3|0?b:a-2|0;break ha}b=-1;if((a|0)==-1){break ha}b=a-1|0;if((a>>>0)%3|0){break ha}b=a+2|0}H[k+12>>2]=b;b=H[j+40>>2];if((b|0)!=H[j+36>>2]){continue}break}break I}f=-1;d=H[p>>2];H[d+(k<<2)>>2]=-1;b=-1;break Q}d=H[p>>2];f=H[d+(f<<2)>>2]}H[(k<<2)+d>>2]=f;E=a+1|0;a=(E>>>0)%3|0?E:a-2|0;b=-1;if((a|0)==-1){break Q}b=H[(a<<2)+d>>2]}H[d+y>>2]=b;ia:{if((m|0)==-1){H[d+h>>2]=-1;t=-1;a=-1;break ia}ja:{ka:{la:{if((m>>>0)%3|0){b=m-1|0;break la}b=m+2|0;if((b|0)==-1){break ka}}a=H[(b<<2)+d>>2];H[d+h>>2]=a;if((a|0)==-1){break ja}H[H[p+24>>2]+(a<<2)>>2]=t;break ja}H[d+h>>2]=-1}t=-1;b=m+1|0;b=(b>>>0)%3|0?b:m-2|0;a=-1;if((b|0)==-1){break ia}t=H[(b<<2)+d>>2];a=b}b=H[j+388>>2];h=f<<2;m=b+h|0;y=b;b=t<<2;H[m>>2]=H[m>>2]+H[y+b>>2];m=b;b=H[p+24>>2];m=m+b|0;if((f|0)!=-1){H[b+h>>2]=H[m>>2]}b=a;while(1){if((b|0)==-1){break O}H[(b<<2)+d>>2]=f;p=b+1|0;b=(p>>>0)%3|0?p:b-2|0;h=-1;ma:{if((b|0)==-1){break ma}b=H[q+(b<<2)>>2];h=-1;if((b|0)==-1){break ma}h=b+1|0;h=(h>>>0)%3|0?h:b-2|0}b=h;if((a|0)!=(b|0)){continue}break}}b=-1;if(!D){break E}break D}H[m>>2]=-1;na:{if(P){break na}if((z|0)!=(A|0)){H[A>>2]=t;A=A+4|0;H[l+28>>2]=A;break na}a=z-o|0;h=a>>2;b=h+1|0;if(b>>>0>=1073741824){break b}d=a>>>1|0;d=a>>>0>=2147483644?1073741823:b>>>0>>0?d:b;if(d){if(d>>>0>=1073741824){break B}a=pa(d<<2)}else{a=0}b=a+(h<<2)|0;H[b>>2]=t;A=b+4|0;if((o|0)!=(z|0)){while(1){b=b-4|0;z=z-4|0;H[b>>2]=H[z>>2];if((o|0)!=(z|0)){continue}break}}z=a+(d<<2)|0;H[l+32>>2]=z;H[l+28>>2]=A;H[l+24>>2]=b;if(o){oa(o)}o=b}H[w>>2]=k}Ce(r,k);d=g}D=(i|0)<(n|0);if((i|0)!=(n|0)){continue}break}i=n}b=-1;d=H[j+8>>2];if(H[d+28>>2]-H[d+24>>2]>>2>(L|0)){break D}if((c|0)!=(g|0)){x=j+72|0;h=j+60|0;p=j+312|0;while(1){c=c-4|0;o=H[c>>2];H[l+68>>2]=c;oa:{pa:{qa:{if(J[j+270>>1]<=513){if(!I[j+364|0]){break pa}a=H[j+360>>2];b=H[j+352>>2]+(a>>>3|0)|0;if(b>>>0>=K[j+356>>2]){break qa}b=I[b|0];H[j+360>>2]=a+1;if(!(b>>>(a&7)&1)){break qa}break pa}if(Ba(p)){break pa}}b=H[j+64>>2];a=H[j+68>>2];if((b|0)==a<<5){if((b+1|0)<0){break b}if(b>>>0<=1073741822){a=a<<6;b=(b&-32)+32|0;a=a>>>0>b>>>0?a:b}else{a=2147483647}pb(h,a);b=H[j+64>>2]}H[j+64>>2]=b+1;a=H[j+60>>2]+(b>>>3&536870908)|0;d=H[a>>2];Q=a,R=Vj(b)&d,H[Q>>2]=R;b=H[j+76>>2];if((b|0)!=H[j+80>>2]){H[b>>2]=o;H[j+76>>2]=b+4;break oa}d=H[x>>2];a=b-d|0;k=a>>2;f=k+1|0;if(f>>>0<1073741824){n=a>>>1|0;n=a>>>0>=2147483644?1073741823:f>>>0>>0?n:f;if(n){if(n>>>0>=1073741824){break B}a=pa(n<<2)}else{a=0}f=a+(k<<2)|0;H[f>>2]=o;o=f+4|0;if((b|0)!=(d|0)){while(1){f=f-4|0;b=b-4|0;H[f>>2]=H[b>>2];if((b|0)!=(d|0)){continue}break}}H[j+80>>2]=a+(n<<2);H[j+76>>2]=o;H[j+72>>2]=f;if(!d){break oa}oa(d);break oa}break b}m=H[j+8>>2];r=H[m>>2];if(((H[m+4>>2]-r>>2>>>0)/3|0)<=(i|0)){b=-1;break D}d=-1;q=H[m+24>>2];n=-1;ra:{if((o|0)==-1){break ra}g=o+1|0;g=(g>>>0)%3|0?g:o-2|0;n=-1;if((g|0)==-1){break ra}n=H[r+(g<<2)>>2]}a=H[q+(n<<2)>>2];sa:{if((a|0)==-1){k=1;f=-1;break sa}k=1;f=-1;b=a+1|0;a=(b>>>0)%3|0?b:a-2|0;if((a|0)==-1){break sa}k=0;d=a;b=a+1|0;b=(b>>>0)%3|0?b:a-2|0;if((b|0)!=-1){f=H[r+(b<<2)>>2]}}b=-1;g=-1;a=H[q+(f<<2)>>2];if((a|0)!=-1){g=a+1|0;g=(g>>>0)%3|0?g:a-2|0}if((d|0)==(o|0)|(g|0)==(o|0)|((o|0)!=-1&H[H[m+12>>2]+(o<<2)>>2]!=-1|(d|0)==(g|0))){break D}if(!k&H[H[m+12>>2]+(d<<2)>>2]!=-1){break D}k=-1;a=H[m+12>>2];m=-1;ta:{if((g|0)==-1){break ta}if(H[a+(g<<2)>>2]!=-1){break D}b=g+1|0;b=(b>>>0)%3|0?b:g-2|0;m=-1;if((b|0)==-1){break ta}m=H[r+(b<<2)>>2]}b=N(i,3);H[l>>2]=b;H[a+(b<<2)>>2]=o;H[a+(o<<2)>>2]=b;b=H[l>>2]+1|0;H[a+(b<<2)>>2]=d;H[a+(d<<2)>>2]=b;b=H[l>>2]+2|0;H[a+(b<<2)>>2]=g;H[a+(g<<2)>>2]=b;a=H[l>>2];H[r+(a<<2)>>2]=f;b=a+1|0;d=r+(b<<2)|0;H[d>>2]=m;g=a+2|0;o=r+(g<<2)|0;H[o>>2]=n;a=H[j+120>>2];f=b?f:-1;n=a+(f>>>3&536870908)|0;r=H[n>>2];Q=n,R=Vj(f)&r,H[Q>>2]=R;k=(b|0)!=-1?H[d>>2]:k;b=a+(k>>>3&536870908)|0;d=H[b>>2];Q=b,R=Vj(k)&d,H[Q>>2]=R;b=-1;b=(g|0)!=-1?H[o>>2]:b;a=a+(b>>>3&536870908)|0;d=H[a>>2];Q=a,R=Vj(b)&d,H[Q>>2]=R;F[l+88|0]=1;_c(h,l+88|0);Ka(x,l);i=i+1|0;g=H[l+64>>2]}if((c|0)!=(g|0)){continue}break}d=H[j+8>>2]}b=-1;if(((H[d+4>>2]-H[d>>2]>>2>>>0)/3|0)!=(i|0)){break D}b=H[d+28>>2]-H[d+24>>2]>>2;i=H[l+24>>2];f=H[l+28>>2];if((i|0)==(f|0)){break C}while(1){a=H[i>>2];h=H[d+24>>2];c=b-1|0;g=h+(c<<2)|0;if(H[g>>2]==-1){while(1){c=b-2|0;b=b-1|0;g=h+(c<<2)|0;if(H[g>>2]==-1){continue}break}}if(a>>>0<=c>>>0){H[l>>2]=d;g=H[g>>2];F[l+12|0]=1;H[l+8>>2]=g;H[l+4>>2]=g;if((g|0)!=-1){while(1){d=H[H[j+8>>2]>>2]+(g<<2)|0;if(H[d>>2]!=(c|0)){b=-1;break D}H[d>>2]=a;uc(l);g=H[l+8>>2];if((g|0)!=-1){continue}break}d=H[j+8>>2]}h=H[d+24>>2];g=h+(c<<2)|0;if((a|0)!=-1){H[h+(a<<2)>>2]=H[g>>2]}H[g>>2]=-1;g=1<>2];a=h+(a>>>3&536870908)|0;h=h+(c>>>3&536870908)|0;c=1<>2]&c){g=g|H[a>>2]}else{g=H[a>>2]&(g^-1)}H[a>>2]=g;H[h>>2]=H[h>>2]&(c^-1);b=b-1|0}i=i+4|0;if((f|0)!=(i|0)){continue}break}}i=H[l+24>>2]}if(i){oa(i)}a=H[l+48>>2];if(a){while(1){c=H[a>>2];oa(a);a=c;if(a){continue}break}}a=H[l+40>>2];H[l+40>>2]=0;if(a){oa(a)}a=H[l+64>>2];if(a){H[l+68>>2]=a;oa(a)}ca=l+96|0;break A}wa();v()}if((b|0)==-1){break z}a=O;c=H[a+16>>2];d=c+H[a>>2]|0;c=H[a+8>>2]-c|0;a=H[H[j+4>>2]+32>>2];G[a+38>>1]=J[a+38>>1];H[a>>2]=d;H[a+16>>2]=0;H[a+20>>2]=0;H[a+8>>2]=c;H[a+12>>2]=0;a=H[j+4>>2];c=J[a+36>>1];g=c<<8|c>>>8;if((g&65535)>>>0<=513){a=H[a+32>>2];c=H[a+16>>2];d=M+H[a+20>>2]|0;c=c+C|0;d=c>>>0>>0?d+1|0:d;H[a+16>>2]=c;H[a+20>>2]=d}ua:{if(H[j+216>>2]==H[j+220>>2]){break ua}c=H[j+8>>2];a=H[c>>2];c=H[c+4>>2];va:{if((g&65535)>>>0>=513){if((a|0)==(c|0)){break ua}c=0;break va}if((a|0)==(c|0)){break ua}c=0;while(1){if(cd(j,c)){c=c+3|0;a=H[j+8>>2];if(c>>>0>2]-H[a>>2]>>2>>>0){continue}break ua}break}break z}while(1){if(bd(j,c)){c=c+3|0;a=H[j+8>>2];if(c>>>0>2]-H[a>>2]>>2>>>0){continue}break ua}break}break z}ad(e);c=H[j+216>>2];if((c|0)!=H[j+220>>2]){n=0;while(1){d=N(n,144);Jc((d+c|0)+4|0,H[j+8>>2]);a=H[B>>2];e=a+d|0;c=H[e+132>>2];e=H[e+136>>2];if((c|0)!=(e|0)){while(1){Hc((d+H[B>>2]|0)+4|0,H[c>>2]);c=c+4|0;if((e|0)!=(c|0)){continue}break}a=H[B>>2]}if(!Ic((a+d|0)+4|0)){break z}n=n+1|0;c=H[j+216>>2];if(n>>>0<(H[j+220>>2]-c|0)/144>>>0){continue}break}}a=H[j+8>>2];Hb(j+184|0,H[a+28>>2]-H[a+24>>2]>>2);u=H[j+216>>2];if((u|0)!=H[j+220>>2]){c=0;while(1){a=N(c,144)+u|0;d=H[a+60>>2]-H[a+56>>2]>>2;f=a+104|0;a=H[j+8>>2];a=H[a+28>>2]-H[a+24>>2]>>2;Hb(f,(a|0)<(d|0)?d:a);c=c+1|0;u=H[j+216>>2];if(c>>>0<(H[j+220>>2]-u|0)/144>>>0){continue}break}}u=$c(j,b)}break c}u=0}ca=s- -64|0;return u|0}sa();v()}function ii(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,L=0,M=0,O=0,P=0,Q=0,R=0,S=0;u=ca+-64|0;ca=u;H[a+132>>2]=0;if(H[a+148>>2]){c=H[a+144>>2];if(c){while(1){b=H[c>>2];oa(c);c=b;if(b){continue}break}}c=0;H[a+144>>2]=0;l=H[a+140>>2];a:{if(!l){break a}if(l>>>0>=4){b=l&-4;while(1){e=c<<2;H[e+H[a+136>>2]>>2]=0;H[H[a+136>>2]+(e|4)>>2]=0;H[H[a+136>>2]+(e|8)>>2]=0;H[H[a+136>>2]+(e|12)>>2]=0;c=c+4|0;f=f+4|0;if((b|0)!=(f|0)){continue}break}}b=l&3;if(!b){break a}while(1){H[H[a+136>>2]+(c<<2)>>2]=0;c=c+1|0;w=w+1|0;if((b|0)!=(w|0)){continue}break}}H[a+148>>2]=0}b:{c:{c=H[a+4>>2];w=I[c+36|0];b=w<<8|I[c+37|0];if(b>>>0<=513){g=H[c+32>>2];d:{if(b>>>0<=511){f=H[g+20>>2];l=H[g+16>>2];e=l+4|0;f=e>>>0<4?f+1|0:f;b=f;d=H[g+12>>2];if(K[g+8>>2]>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break c}f=l+H[g>>2]|0;f=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[g+16>>2]=e;H[g+20>>2]=b;break d}if(!Ea(1,u,g)){break c}c=H[a+4>>2];w=I[c+36|0];f=H[u>>2]}H[a+132>>2]=f}d=H[c+32>>2];e:{f:{g:{if((w&255)>>>0<=1){w=0;b=H[d+20>>2];e=H[d+16>>2];f=e+4|0;b=f>>>0<4?b+1|0:b;l=H[d+12>>2];if(K[d+8>>2]>>0&(l|0)<=(b|0)|(b|0)>(l|0)){break b}e=e+H[d>>2]|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[u+60>>2]=e;H[d+16>>2]=f;H[d+20>>2]=b;H[a+156>>2]=e;t=a+156|0;break g}w=0;if(!Ea(1,u+60|0,d)){break b}c=H[a+4>>2];b=I[c+36|0];H[a+156>>2]=H[u+60>>2];t=a+156|0;if(b>>>0>1){break f}}d=H[c+32>>2];e=H[d+8>>2];l=H[d+12>>2];c=H[d+20>>2];f=H[d+16>>2];b=f+4|0;c=b>>>0<4?c+1|0:c;if(b>>>0>e>>>0&(c|0)>=(l|0)|(c|0)>(l|0)){break b}f=f+H[d>>2]|0;f=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[u+56>>2]=f;H[d+16>>2]=b;H[d+20>>2]=c;break e}if(!Ea(1,u+56|0,H[c+32>>2])){break b}f=H[u+56>>2]}if(f>>>0>1431655765|K[t>>2]>N(f,3)>>>0){break b}E=H[a+4>>2];x=H[E+32>>2];c=H[x+8>>2];d=H[x+12>>2];b=H[x+20>>2];h=H[x+16>>2];if((d|0)<=(b|0)&h>>>0>=c>>>0|(b|0)>(d|0)){break b}j=H[x>>2];k=I[j+h|0];e=x;l=h+1|0;g=l?b:b+1|0;H[e+16>>2]=l;H[e+20>>2]=g;h:{if(I[E+36|0]<=1){e=c;c=h+5|0;b=c>>>0<5?b+1|0:b;if(c>>>0>e>>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break b}e=j+l|0;t=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[u+52>>2]=t;H[x+16>>2]=c;H[x+20>>2]=b;break h}if(!Ea(1,u+52|0,x)){break b}t=H[u+52>>2]}if(f>>>0>>0|((t>>>0)/3|0)+t>>>0>>0){break b}c=H[a+4>>2];d=H[c+32>>2];i:{if(I[c+36|0]<=1){c=H[d+20>>2];b=H[d+16>>2];e=b+4|0;c=e>>>0<4?c+1|0:c;l=H[d+12>>2];if(K[d+8>>2]>>0&(l|0)<=(c|0)|(c|0)>(l|0)){break b}b=b+H[d>>2]|0;b=I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24);H[u+48>>2]=b;H[d+16>>2]=e;H[d+20>>2]=c;break i}if(!Ea(1,u+48|0,d)){break b}b=H[u+48>>2]}if(b>>>0>t>>>0){break b}H[a+28>>2]=H[a+24>>2];c=$b(pa(88));e=H[a+8>>2];H[a+8>>2]=c;if(e){cb(e);if(!H[a+8>>2]){break b}}H[a+164>>2]=H[a+160>>2];Jb(a+160|0,f);H[a+176>>2]=H[a+172>>2];Jb(a+172|0,f);H[a- -64>>2]=0;H[a+92>>2]=-1;H[a+84>>2]=-1;H[a+88>>2]=-1;H[a+40>>2]=H[a+36>>2];H[a+52>>2]=H[a+48>>2];H[a+76>>2]=H[a+72>>2];M=a+216|0;ed(M);dd(M,k);if(!Lc(H[a+8>>2],f,H[a+156>>2]+b|0)){break b}c=H[a+156>>2];F[u|0]=1;Oa(a+120|0,b+c|0,u);f=H[a+4>>2];c=J[f+36>>1];c=(c<<8|c>>>8)&65535;j:{if(c>>>0<=513){g=H[f+32>>2];k:{if(c>>>0<=511){f=H[g+20>>2];l=H[g+16>>2];e=l+4|0;f=e>>>0<4?f+1|0:f;c=f;d=H[g+12>>2];if(K[g+8>>2]>>0&(c|0)>=(d|0)|(c|0)>(d|0)){break b}f=l+H[g>>2]|0;f=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[g+16>>2]=e;H[g+20>>2]=c;break k}if(!Ea(1,u+44|0,g)){break b}f=H[u+44>>2]}if(!f){break b}d=H[H[a+4>>2]+32>>2];l=H[d+8>>2];c=H[d+16>>2];e=l-c|0;c=H[d+12>>2]-(H[d+20>>2]+(c>>>0>l>>>0)|0)|0;if((c|0)<=0&f>>>0>e>>>0|(c|0)<0){break b}g=Ha(u);d=H[H[a+4>>2]+32>>2];l=H[d+16>>2];e=(l+H[d>>2]|0)+f|0;c=H[d+8>>2]-l|0;G[g+38>>1]=J[d+38>>1];H[g>>2]=e;H[g+16>>2]=0;H[g+20>>2]=0;H[g+8>>2]=c-f;H[g+12>>2]=0;c=Ib(a,g);if((c|0)==-1){break b}E=c;P=c>>31;break j}E=-1;P=-1;if((Ib(a,H[f+32>>2])|0)==-1){break b}}B=a+232|0;Ee(B,a);H[a+372>>2]=k;H[a+384>>2]=H[a+156>>2]+b;x=Ha(u);g=x;d=0;l=ca-16|0;ca=l;l:{if(!Ge(B,g)){break l}b=H[g+20>>2];f=H[g+16>>2];c=f+4|0;b=c>>>0<4?b+1|0:b;e=H[g+12>>2];if(K[g+8>>2]>>0&(e|0)<=(b|0)|(b|0)>(e|0)){break l}f=f+H[g>>2]|0;f=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[g+16>>2]=c;H[g+20>>2]=b;if((f|0)<0){break l}b=f;f=H[B+152>>2];if((b|0)>=(f|0)){break l}H[l+12>>2]=0;c=H[B+156>>2];b=H[B+160>>2]-c>>2;m:{if(b>>>0>>0){Pa(B+156|0,f-b|0,l+12|0);break m}if(b>>>0<=f>>>0){break m}H[B+160>>2]=c+(f<<2)}d=ta(B+168|0,g)}ca=l+16|0;n:{if(!d){break n}d=0;c=0;f=0;l=0;i=ca-96|0;ca=i;H[i+72>>2]=0;H[i+64>>2]=0;H[i+68>>2]=0;H[i+48>>2]=0;H[i+52>>2]=0;H[i+40>>2]=0;H[i+44>>2]=0;H[i+56>>2]=1065353216;H[i+32>>2]=0;H[i+24>>2]=0;H[i+28>>2]=0;g=a;O=H[a+124>>2];o:{p:{q:{r:{s:{t:{if((t|0)<=0){break t}z=g+400|0;Q=g+232|0;C=H[g+216>>2]!=H[g+220>>2];y=1;while(1){e=l;l=e+1|0;u:{v:{w:{x:{y:{if(H[g+420>>2]!=-1){if(Ba(z)){break y}}if(!I[g+308|0]){break x}z:{o=H[g+296>>2];r=H[g+304>>2];a=o+(r>>>3|0)|0;k=H[g+300>>2];if(a>>>0>=k>>>0){break z}b=I[a|0];a=r+1|0;H[g+304>>2]=a;h=b>>>(r&7)&1;if(!h){break z}n=a>>>3|0;b=o+n|0;A:{if(b>>>0>=k>>>0){b=a;a=0;break A}j=I[b|0];b=r+2|0;H[g+304>>2]=b;n=b>>>3|0;a=j>>>(a&7)&1}j=n+o|0;if(j>>>0>>0){j=I[j|0];H[g+304>>2]=b+1;b=j>>>(b&7)<<1&2}else{b=0}p=(a|b)<<1|h;H[g+416>>2]=p;break w}H[g+416>>2]=0;break x}p=H[g+420>>2];H[g+416>>2]=p;if(p){break w}}if((c|0)==(f|0)){b=-1;break s}p=-1;n=H[g+8>>2];o=H[n+24>>2];j=c-4|0;m=H[j>>2];d=-1;B:{if((m|0)==-1){break B}b=m+1|0;b=(b>>>0)%3|0?b:m-2|0;d=-1;if((b|0)==-1){break B}d=H[H[n>>2]+(b<<2)>>2]}b=H[o+(d<<2)>>2];if((b|0)!=-1){a=b+1|0;p=(a>>>0)%3|0?a:b-2|0}if((m|0)==(p|0)){b=-1;break s}if((m|0)!=-1){b=-1;if(H[H[n+12>>2]+(m<<2)>>2]!=-1){break s}}k=H[n+12>>2];if((p|0)!=-1){b=-1;if(H[k+(p<<2)>>2]!=-1){break s}}q=N(e,3);a=q+1|0;H[k+(m<<2)>>2]=a;h=a<<2;H[h+k>>2]=m;r=q+2|0;H[k+(p<<2)>>2]=r;e=r<<2;H[e+k>>2]=p;k=-1;a=-1;C:{if((m|0)==-1){break C}D:{if((m>>>0)%3|0){b=m-1|0;break D}b=m+2|0;a=-1;if((b|0)==-1){break C}}a=H[H[n>>2]+(b<<2)>>2]}E:{if((p|0)==-1){break E}b=p+1|0;b=(b>>>0)%3|0?b:p-2|0;if((b|0)==-1){break E}k=H[H[n>>2]+(b<<2)>>2]}b=-1;if((a|0)==(d|0)|(d|0)==(k|0)){break s}b=H[n>>2];H[b+(q<<2)>>2]=d;H[b+h>>2]=k;H[b+e>>2]=a;if((a|0)!=-1){H[o+(a<<2)>>2]=r}b=H[g+120>>2]+(d>>>3&536870908)|0;a=H[b>>2];R=b,S=Vj(d)&a,H[R>>2]=S;H[j>>2]=q;p=H[c-4>>2];break v}b=-1;F:{G:{H:{I:{J:{K:{L:{M:{N:{O:{P:{switch(p-1|0){case 2:case 4:if((c|0)==(f|0)){break s}h=c-4|0;m=H[h>>2];r=H[g+8>>2];d=H[r+12>>2];if((m|0)!=-1&H[d+(m<<2)>>2]!=-1){break s}q=N(e,3);k=(p|0)==5;j=q+(k?2:1)|0;a=j<<2;H[a+d>>2]=m;H[d+(m<<2)>>2]=j;Ka(r+24|0,11424);d=H[g+8>>2];o=H[d+24>>2];if(H[d+28>>2]-o>>2>(O|0)){break s}n=H[d>>2];p=n+a|0;d=H[r+28>>2];b=H[r+24>>2];a=(d-b>>2)-1|0;H[p>>2]=a;if((b|0)!=(d|0)){H[o+(a<<2)>>2]=j}d=k?q:q+2|0;j=n+(k+q<<2)|0;Q:{if((m|0)==-1){H[n+(d<<2)>>2]=-1;b=-1;break Q}R:{S:{T:{if((m>>>0)%3|0){a=m-1|0;break T}a=m+2|0;if((a|0)==-1){break S}}a=H[n+(a<<2)>>2];H[n+(d<<2)>>2]=a;if((a|0)==-1){break R}H[o+(a<<2)>>2]=d;break R}H[n+(d<<2)>>2]=-1}a=m+1|0;a=(a>>>0)%3|0?a:m-2|0;b=-1;if((a|0)==-1){break Q}b=H[n+(a<<2)>>2]}H[j>>2]=b;H[h>>2]=q;break O;case 0:if((c|0)==(d|0)){break s}a=c-4|0;m=H[a>>2];H[i+68>>2]=a;k=H[i+44>>2];U:{if(!k){c=a;break U}o=H[i+40>>2];h=Uj(k)>>>0>1;b=e&k+2147483647;V:{if(!h){break V}b=e;if(b>>>0>>0){break V}b=(e>>>0)%(k>>>0)|0}j=b;b=H[o+(j<<2)>>2];if(!b){c=a;break U}b=H[b>>2];if(!b){c=a;break U}W:{if(!h){k=k-1|0;while(1){h=H[b+4>>2];X:{if((h|0)!=(e|0)){if((j|0)==(h&k)){break X}c=a;break U}if((e|0)==H[b+8>>2]){break W}}b=H[b>>2];if(b){continue}break}c=a;break U}while(1){h=H[b+4>>2];Y:{if((h|0)!=(e|0)){if(h>>>0>=k>>>0){h=(h>>>0)%(k>>>0)|0}if((h|0)==(j|0)){break Y}c=a;break U}if((e|0)==H[b+8>>2]){break W}}b=H[b>>2];if(b){continue}break}c=a;break U}if((a|0)!=(A|0)){H[a>>2]=H[b+12>>2];H[i+68>>2]=c;break U}h=A-d|0;c=h>>2;f=c+1|0;if(f>>>0>=1073741824){break M}a=h>>>1|0;h=h>>>0>=2147483644?1073741823:a>>>0>f>>>0?a:f;if(h){if(h>>>0>=1073741824){break p}a=pa(h<<2)}else{a=0}f=a+(c<<2)|0;H[f>>2]=H[b+12>>2];c=f+4|0;if((d|0)!=(A|0)){while(1){f=f-4|0;A=A-4|0;H[f>>2]=H[A>>2];if((d|0)!=(A|0)){continue}break}}A=a+(h<<2)|0;H[i+72>>2]=A;H[i+68>>2]=c;H[i+64>>2]=f;if(d){oa(d)}}if((c|0)==(f|0)){break G}j=c-4|0;n=H[j>>2];if((n|0)==(m|0)){break G}d=(n|0)==-1;q=H[g+8>>2];if(!d&H[H[q+12>>2]+(n<<2)>>2]!=-1){break G}r=H[q+12>>2];if((m|0)!=-1&H[r+(m<<2)>>2]!=-1){break G}p=N(e,3);e=p+2|0;H[r+(n<<2)>>2]=e;o=e<<2;H[o+r>>2]=n;a=p+1|0;H[r+(m<<2)>>2]=a;b=a<<2;H[b+r>>2]=m;if(d){break L}if((n>>>0)%3|0){k=n-1|0;break J}k=n+2|0;if((k|0)!=-1){break J}d=H[q>>2];a=-1;break I;case 6:break P;default:break s}}a=H[g+8>>2];Ka(a+24|0,11424);h=H[g+8>>2];p=N(e,3);q=H[a+28>>2];r=H[a+24>>2];o=q-r|0;n=o>>2;k=n-1|0;H[H[h>>2]+(p<<2)>>2]=k;Ka(h+24|0,11424);j=p+1|0;H[H[h>>2]+(j<<2)>>2]=(H[h+28>>2]-H[h+24>>2]>>2)-1;a=H[g+8>>2];Ka(a+24|0,11424);h=p+2|0;H[H[a>>2]+(h<<2)>>2]=(H[a+28>>2]-H[a+24>>2]>>2)-1;a=H[g+8>>2];m=H[a+24>>2];if(H[a+28>>2]-m>>2>(O|0)){break s}Z:{_:{if((q|0)!=(r|0)){H[m+(k<<2)>>2]=p;b=0;if((o|0)==-4){break _}}H[m+(n<<2)>>2]=j;b=n+1|0;if((b|0)==-1){break Z}}H[m+(b<<2)>>2]=h}if((c|0)!=(A|0)){H[c>>2]=p;c=c+4|0;H[i+68>>2]=c;break N}h=c-d|0;b=h>>2;f=b+1|0;if(f>>>0>=1073741824){break K}a=h>>>1|0;h=h>>>0>=2147483644?1073741823:a>>>0>f>>>0?a:f;if(h){if(h>>>0>=1073741824){break p}a=pa(h<<2)}else{a=0}f=a+(b<<2)|0;H[f>>2]=p;A=a+(h<<2)|0;a=f+4|0;if((c|0)!=(d|0)){while(1){f=f-4|0;c=c-4|0;H[f>>2]=H[c>>2];if((c|0)!=(d|0)){continue}break}}H[i+72>>2]=A;H[i+68>>2]=a;H[i+64>>2]=f;if(d){oa(d)}c=a}d=f}De(Q,H[c-4>>2]);h=H[g+40>>2];if((h|0)==H[g+36>>2]){break u}b=h-12|0;a=H[b+4>>2];k=(e^-1)+t|0;if(a>>>0>k>>>0){break G}if((a|0)!=(k|0)){break u}e=I[h-4|0];a=H[b>>2];H[g+40>>2]=b;if((a|0)<0){break G}h=c-4|0;j=H[h>>2];H[i+20>>2]=(a^-1)+t;a=i+20|0;H[i+88>>2]=a;Gb(i,i+40|0,a,i+88|0);b=H[i>>2];$:{if(e&1){a=-1;if((j|0)==-1){break $}a=j+1|0;a=(a>>>0)%3|0?a:j-2|0;break $}a=-1;if((j|0)==-1){break $}a=j-1|0;if((j>>>0)%3|0){break $}a=j+2|0}H[b+12>>2]=a;b=H[g+40>>2];if((b|0)==H[g+36>>2]){break u}while(1){j=b-12|0;a=H[j+4>>2];if(a>>>0>k>>>0){break G}if((a|0)!=(k|0)){break u}e=I[b-4|0];a=H[j>>2];H[g+40>>2]=j;if((a|0)<0){break G}j=H[h>>2];H[i+20>>2]=(a^-1)+t;a=i+20|0;H[i+88>>2]=a;Gb(i,i+40|0,a,i+88|0);b=H[i>>2];aa:{if(e&1){a=-1;if((j|0)==-1){break aa}a=j+1|0;a=(a>>>0)%3|0?a:j-2|0;break aa}a=-1;if((j|0)==-1){break aa}a=j-1|0;if((j>>>0)%3|0){break aa}a=j+2|0}H[b+12>>2]=a;b=H[g+40>>2];if((b|0)!=H[g+36>>2]){continue}break}break u}sa();v()}k=-1;d=H[q>>2];H[d+(p<<2)>>2]=-1;h=-1;break H}sa();v()}d=H[q>>2];a=H[d+(k<<2)>>2]}k=a;H[(p<<2)+d>>2]=a;a=n+1|0;a=(a>>>0)%3|0?a:n-2|0;h=-1;if((a|0)==-1){break H}h=H[(a<<2)+d>>2]}H[b+d>>2]=h;ba:{if((m|0)==-1){H[d+o>>2]=-1;n=-1;a=-1;break ba}ca:{da:{ea:{if((m>>>0)%3|0){b=m-1|0;break ea}b=m+2|0;if((b|0)==-1){break da}}a=H[(b<<2)+d>>2];H[d+o>>2]=a;if((a|0)==-1){break ca}H[H[q+24>>2]+(a<<2)>>2]=e;break ca}H[d+o>>2]=-1}n=-1;b=m+1|0;b=(b>>>0)%3|0?b:m-2|0;a=-1;if((b|0)==-1){break ba}n=H[(b<<2)+d>>2];a=b}h=H[g+388>>2];e=k<<2;b=h+e|0;o=b;m=H[b>>2];b=n<<2;H[o>>2]=m+H[b+h>>2];h=b;b=H[q+24>>2];o=h+b|0;if((k|0)!=-1){H[b+e>>2]=H[o>>2]}b=a;while(1){if((b|0)==-1){break F}H[(b<<2)+d>>2]=k;h=b+1|0;b=(h>>>0)%3|0?h:b-2|0;e=-1;fa:{if((b|0)==-1){break fa}h=H[r+(b<<2)>>2];e=-1;if((h|0)==-1){break fa}b=h+1|0;e=(b>>>0)%3|0?b:h-2|0}b=e;if((a|0)!=(b|0)){continue}break}}b=-1;if(!(y&1)){break t}break s}H[o>>2]=-1;ga:{if(C){break ga}if((D|0)!=(L|0)){H[L>>2]=n;L=L+4|0;H[i+28>>2]=L;break ga}d=D-s|0;b=d>>2;e=b+1|0;if(e>>>0>=1073741824){break q}a=d>>>1|0;e=d>>>0>=2147483644?1073741823:a>>>0>e>>>0?a:e;if(e){if(e>>>0>=1073741824){break p}a=pa(e<<2)}else{a=0}b=a+(b<<2)|0;H[b>>2]=n;L=b+4|0;if((s|0)!=(D|0)){while(1){b=b-4|0;D=D-4|0;H[b>>2]=H[D>>2];if((s|0)!=(D|0)){continue}break}}D=a+(e<<2)|0;H[i+32>>2]=D;H[i+28>>2]=L;H[i+24>>2]=b;if(s){oa(s)}s=b}H[j>>2]=p}De(Q,p);d=f}y=(l|0)<(t|0);if((l|0)!=(t|0)){continue}break}l=t}b=-1;y=H[g+8>>2];if(H[y+28>>2]-H[y+24>>2]>>2>(O|0)){break s}if((c|0)!=(f|0)){r=g+72|0;j=g+60|0;t=g+312|0;while(1){c=c-4|0;z=H[c>>2];H[i+68>>2]=c;ha:{ia:{ja:{if(J[g+270>>1]<=513){if(!I[g+364|0]){break ia}b=H[g+360>>2];a=H[g+352>>2]+(b>>>3|0)|0;if(a>>>0>=K[g+356>>2]){break ja}a=I[a|0];H[g+360>>2]=b+1;if(!(a>>>(b&7)&1)){break ja}break ia}if(Ba(t)){break ia}}ka:{la:{b=H[g+64>>2];e=H[g+68>>2];if((b|0)==e<<5){if((b+1|0)<0){break la}if(b>>>0<=1073741822){e=e<<6;b=(b&-32)+32|0;a=b>>>0>>0?e:b}else{a=2147483647}pb(j,a);b=H[g+64>>2]}H[g+64>>2]=b+1;e=H[g+60>>2]+(b>>>3&536870908)|0;a=H[e>>2];R=e,S=Vj(b)&a,H[R>>2]=S;b=H[g+76>>2];if((b|0)!=H[g+80>>2]){H[b>>2]=z;H[g+76>>2]=b+4;break ha}s=H[r>>2];h=b-s|0;e=h>>2;d=e+1|0;if(d>>>0>=1073741824){break ka}a=h>>>1|0;h=h>>>0>=2147483644?1073741823:a>>>0>d>>>0?a:d;if(h){if(h>>>0>=1073741824){break p}a=pa(h<<2)}else{a=0}d=a+(e<<2)|0;H[d>>2]=z;e=d+4|0;if((b|0)!=(s|0)){while(1){d=d-4|0;b=b-4|0;H[d>>2]=H[b>>2];if((b|0)!=(s|0)){continue}break}}H[g+80>>2]=a+(h<<2);H[g+76>>2]=e;H[g+72>>2]=d;if(!s){break ha}oa(s);break ha}sa();v()}sa();v()}q=H[g+8>>2];C=H[q>>2];if(((H[q+4>>2]-C>>2>>>0)/3|0)<=(l|0)){b=-1;break s}f=-1;b=-1;d=-1;s=H[q+24>>2];e=-1;ma:{if((z|0)==-1){break ma}a=z+1|0;a=(a>>>0)%3|0?a:z-2|0;e=-1;if((a|0)==-1){break ma}e=H[C+(a<<2)>>2]}o=H[s+(e<<2)>>2];na:{if((o|0)==-1){k=1;a=-1;break na}k=1;h=o+1|0;h=(h>>>0)%3|0?h:o-2|0;a=-1;if((h|0)==-1){break na}k=0;a=h+1|0;f=h;a=(a>>>0)%3|0?a:f-2|0;if((a|0)!=-1){a=H[C+(a<<2)>>2]}else{a=-1}}h=H[(a<<2)+s>>2];if((h|0)!=-1){d=h+1|0;d=(d>>>0)%3|0?d:h-2|0}if((f|0)==(z|0)|(d|0)==(z|0)|((z|0)!=-1&H[H[q+12>>2]+(z<<2)>>2]!=-1|(d|0)==(f|0))){break s}if(!k&H[H[q+12>>2]+(f<<2)>>2]!=-1){break s}k=-1;s=H[q+12>>2];h=-1;oa:{if((d|0)==-1){break oa}if(H[s+(d<<2)>>2]!=-1){break s}b=d+1|0;b=(b>>>0)%3|0?b:d-2|0;h=-1;if((b|0)==-1){break oa}h=H[C+(b<<2)>>2]}b=N(l,3);H[i>>2]=b;H[s+(b<<2)>>2]=z;H[s+(z<<2)>>2]=b;b=H[i>>2]+1|0;H[s+(b<<2)>>2]=f;H[s+(f<<2)>>2]=b;b=H[i>>2]+2|0;H[s+(b<<2)>>2]=d;H[s+(d<<2)>>2]=b;b=H[i>>2];H[C+(b<<2)>>2]=a;o=b+1|0;s=C+(o<<2)|0;H[s>>2]=h;h=b+2|0;d=C+(h<<2)|0;H[d>>2]=e;e=H[g+120>>2];f=o?a:-1;b=e+(f>>>3&536870908)|0;a=H[b>>2];R=b,S=Vj(f)&a,H[R>>2]=S;k=(o|0)!=-1?H[s>>2]:k;b=e+(k>>>3&536870908)|0;a=H[b>>2];R=b,S=Vj(k)&a,H[R>>2]=S;b=-1;b=(h|0)!=-1?H[d>>2]:b;f=e+(b>>>3&536870908)|0;a=H[f>>2];R=f,S=Vj(b)&a,H[R>>2]=S;F[i+88|0]=1;_c(j,i+88|0);Ka(r,i);l=l+1|0;f=H[i+64>>2]}if((c|0)!=(f|0)){continue}break}y=H[g+8>>2]}b=-1;if(((H[y+4>>2]-H[y>>2]>>2>>>0)/3|0)!=(l|0)){break s}b=H[y+28>>2]-H[y+24>>2]>>2;l=H[i+24>>2];e=H[i+28>>2];if((l|0)==(e|0)){break r}while(1){j=H[l>>2];a=H[y+24>>2];c=b-1|0;d=a+(c<<2)|0;if(H[d>>2]==-1){while(1){c=b-2|0;b=b-1|0;d=a+(c<<2)|0;if(H[d>>2]==-1){continue}break}}if(c>>>0>=j>>>0){H[i>>2]=y;d=H[d>>2];F[i+12|0]=1;H[i+8>>2]=d;H[i+4>>2]=d;if((d|0)!=-1){while(1){a=H[H[g+8>>2]>>2]+(d<<2)|0;if(H[a>>2]!=(c|0)){b=-1;break s}H[a>>2]=j;uc(i);d=H[i+8>>2];if((d|0)!=-1){continue}break}y=H[g+8>>2]}a=H[y+24>>2];f=a+(c<<2)|0;if((j|0)!=-1){H[a+(j<<2)>>2]=H[f>>2]}H[f>>2]=-1;h=1<>2];f=a+(j>>>3&536870908)|0;d=a+(c>>>3&536870908)|0;a=1<>2]&a){c=h|H[f>>2]}else{c=H[f>>2]&(h^-1)}H[f>>2]=c;H[d>>2]=H[d>>2]&(a^-1);b=b-1|0}l=l+4|0;if((e|0)!=(l|0)){continue}break}}l=H[i+24>>2]}if(l){oa(l)}a=H[i+48>>2];if(a){while(1){c=H[a>>2];oa(a);a=c;if(a){continue}break}}a=H[i+40>>2];H[i+40>>2]=0;if(a){oa(a)}a=H[i+64>>2];if(a){H[i+68>>2]=a;oa(a)}ca=i+96|0;break o}sa();v()}wa();v()}f=b;if((b|0)==-1){break n}b=H[x+16>>2];c=b+H[x>>2]|0;a=H[x+8>>2]-b|0;b=H[H[g+4>>2]+32>>2];G[b+38>>1]=J[b+38>>1];H[b>>2]=c;H[b+16>>2]=0;H[b+20>>2]=0;H[b+8>>2]=a;H[b+12>>2]=0;b=H[g+4>>2];a=J[b+36>>1];c=a<<8|a>>>8;if((c&65535)>>>0<=513){b=H[b+32>>2];e=b;a=H[b+16>>2];b=P+H[b+20>>2]|0;a=a+E|0;b=a>>>0>>0?b+1|0:b;H[e+16>>2]=a;H[e+20>>2]=b}pa:{if(H[g+216>>2]==H[g+220>>2]){break pa}a=H[g+8>>2];b=H[a>>2];a=H[a+4>>2];qa:{if((c&65535)>>>0>=513){if((a|0)==(b|0)){break pa}c=0;break qa}if((a|0)==(b|0)){break pa}c=0;while(1){if(cd(g,c)){c=c+3|0;a=H[g+8>>2];if(c>>>0>2]-H[a>>2]>>2>>>0){continue}break pa}break}break n}while(1){if(bd(g,c)){c=c+3|0;a=H[g+8>>2];if(c>>>0>2]-H[a>>2]>>2>>>0){continue}break pa}break}break n}ad(B);c=H[g+216>>2];if((c|0)!=H[g+220>>2]){t=0;while(1){e=N(t,144);Jc((e+c|0)+4|0,H[g+8>>2]);a=H[M>>2];b=a+e|0;c=H[b+132>>2];b=H[b+136>>2];if((c|0)!=(b|0)){while(1){Hc((e+H[M>>2]|0)+4|0,H[c>>2]);c=c+4|0;if((b|0)!=(c|0)){continue}break}a=H[M>>2]}if(!Ic((a+e|0)+4|0)){break n}t=t+1|0;c=H[g+216>>2];if(t>>>0<(H[g+220>>2]-c|0)/144>>>0){continue}break}}a=H[g+8>>2];Hb(g+184|0,H[a+28>>2]-H[a+24>>2]>>2);w=H[g+216>>2];if((w|0)!=H[g+220>>2]){c=0;while(1){a=N(c,144)+w|0;b=H[a+60>>2]-H[a+56>>2]>>2;e=a+104|0;a=H[g+8>>2];a=H[a+28>>2]-H[a+24>>2]>>2;Hb(e,(a|0)<(b|0)?b:a);c=c+1|0;w=H[g+216>>2];if(c>>>0<(H[g+220>>2]-w|0)/144>>>0){continue}break}}w=$c(g,f)}break b}w=0}ca=u- -64|0;return w|0}function ki(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,L=0,M=0,O=0,P=0,Q=0;t=ca+-64|0;ca=t;H[a+132>>2]=0;if(H[a+148>>2]){d=H[a+144>>2];if(d){while(1){b=H[d>>2];oa(d);d=b;if(b){continue}break}}d=0;H[a+144>>2]=0;k=H[a+140>>2];a:{if(!k){break a}if(k>>>0>=4){b=k&-4;while(1){c=d<<2;H[c+H[a+136>>2]>>2]=0;H[H[a+136>>2]+(c|4)>>2]=0;H[H[a+136>>2]+(c|8)>>2]=0;H[H[a+136>>2]+(c|12)>>2]=0;d=d+4|0;e=e+4|0;if((b|0)!=(e|0)){continue}break}}b=k&3;if(!b){break a}while(1){H[H[a+136>>2]+(d<<2)>>2]=0;d=d+1|0;x=x+1|0;if((b|0)!=(x|0)){continue}break}}H[a+148>>2]=0}b:{c:{d=H[a+4>>2];x=I[d+36|0];b=x<<8|I[d+37|0];if(b>>>0<=513){f=H[d+32>>2];d:{if(b>>>0<=511){b=H[f+20>>2];e=H[f+16>>2];c=e+4|0;b=c>>>0<4?b+1|0:b;k=H[f+12>>2];if(K[f+8>>2]>>0&(k|0)<=(b|0)|(b|0)>(k|0)){break c}e=e+H[f>>2]|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[f+16>>2]=c;H[f+20>>2]=b;break d}if(!Ea(1,t,f)){break c}d=H[a+4>>2];x=I[d+36|0];e=H[t>>2]}H[a+132>>2]=e}f=H[d+32>>2];e:{f:{g:{if((x&255)>>>0<=1){x=0;b=H[f+20>>2];c=H[f+16>>2];e=c+4|0;b=e>>>0<4?b+1|0:b;k=H[f+12>>2];if(K[f+8>>2]>>0&(k|0)<=(b|0)|(b|0)>(k|0)){break b}c=c+H[f>>2]|0;c=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[t+60>>2]=c;H[f+16>>2]=e;H[f+20>>2]=b;H[a+156>>2]=c;l=a+156|0;break g}x=0;if(!Ea(1,t+60|0,f)){break b}d=H[a+4>>2];b=I[d+36|0];H[a+156>>2]=H[t+60>>2];l=a+156|0;if(b>>>0>1){break f}}f=H[d+32>>2];c=H[f+8>>2];k=H[f+12>>2];d=H[f+20>>2];e=H[f+16>>2];b=e+4|0;d=b>>>0<4?d+1|0:d;if(b>>>0>c>>>0&(d|0)>=(k|0)|(d|0)>(k|0)){break b}e=e+H[f>>2]|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[t+56>>2]=e;H[f+16>>2]=b;H[f+20>>2]=d;break e}if(!Ea(1,t+56|0,H[d+32>>2])){break b}e=H[t+56>>2]}if(e>>>0>1431655765|K[l>>2]>N(e,3)>>>0){break b}j=H[a+4>>2];y=H[j+32>>2];d=H[y+8>>2];f=H[y+12>>2];b=H[y+20>>2];m=H[y+16>>2];if((f|0)<=(b|0)&m>>>0>=d>>>0|(b|0)>(f|0)){break b}l=H[y>>2];g=I[l+m|0];c=y;k=m+1|0;C=k?b:b+1|0;H[c+16>>2]=k;H[c+20>>2]=C;h:{if(I[j+36|0]<=1){c=d;d=m+5|0;b=d>>>0<5?b+1|0:b;if(c>>>0>>0&(b|0)>=(f|0)|(b|0)>(f|0)){break b}c=k+l|0;l=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[t+52>>2]=l;H[y+16>>2]=d;H[y+20>>2]=b;break h}if(!Ea(1,t+52|0,y)){break b}l=H[t+52>>2]}if(e>>>0>>0|((l>>>0)/3|0)+l>>>0>>0){break b}d=H[a+4>>2];f=H[d+32>>2];i:{if(I[d+36|0]<=1){d=H[f+20>>2];b=H[f+16>>2];c=b+4|0;d=c>>>0<4?d+1|0:d;k=H[f+12>>2];if(K[f+8>>2]>>0&(k|0)<=(d|0)|(d|0)>(k|0)){break b}b=b+H[f>>2]|0;b=I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24);H[t+48>>2]=b;H[f+16>>2]=c;H[f+20>>2]=d;break i}if(!Ea(1,t+48|0,f)){break b}b=H[t+48>>2]}if(b>>>0>l>>>0){break b}H[a+28>>2]=H[a+24>>2];d=$b(pa(88));c=H[a+8>>2];H[a+8>>2]=d;if(c){cb(c);if(!H[a+8>>2]){break b}}H[a+164>>2]=H[a+160>>2];Jb(a+160|0,e);H[a+176>>2]=H[a+172>>2];Jb(a+172|0,e);H[a- -64>>2]=0;H[a+92>>2]=-1;H[a+84>>2]=-1;H[a+88>>2]=-1;H[a+40>>2]=H[a+36>>2];H[a+52>>2]=H[a+48>>2];H[a+76>>2]=H[a+72>>2];E=a+216|0;ed(E);dd(E,g);if(!Lc(H[a+8>>2],e,H[a+156>>2]+b|0)){break b}d=H[a+156>>2];F[t|0]=1;Oa(a+120|0,b+d|0,t);b=H[a+4>>2];d=J[b+36>>1];d=(d<<8|d>>>8)&65535;j:{if(d>>>0<=513){k=H[b+32>>2];k:{if(d>>>0<=511){b=H[k+20>>2];e=H[k+16>>2];d=e+4|0;b=d>>>0<4?b+1|0:b;c=H[k+12>>2];if(K[k+8>>2]>>0&(c|0)<=(b|0)|(b|0)>(c|0)){break b}e=e+H[k>>2]|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[k+16>>2]=d;H[k+20>>2]=b;break k}if(!Ea(1,t+44|0,k)){break b}e=H[t+44>>2]}if(!e){break b}k=H[H[a+4>>2]+32>>2];c=H[k+8>>2];d=H[k+16>>2];b=c-d|0;d=H[k+12>>2]-(H[k+20>>2]+(c>>>0>>0)|0)|0;if(b>>>0>>0&(d|0)<=0|(d|0)<0){break b}f=Ha(t);k=H[H[a+4>>2]+32>>2];c=H[k+16>>2];b=(c+H[k>>2]|0)+e|0;d=H[k+8>>2]-c|0;G[f+38>>1]=J[k+38>>1];H[f>>2]=b;H[f+16>>2]=0;H[f+20>>2]=0;H[f+8>>2]=d-e;H[f+12>>2]=0;d=Ib(a,f);if((d|0)==-1){break b}y=d;M=d>>31;break j}y=-1;M=-1;if((Ib(a,H[b+32>>2])|0)==-1){break b}}O=a+232|0;e=O;H[e+144>>2]=a;d=H[(ea[H[H[a>>2]+32>>2]](a)|0)+32>>2];b=H[d>>2]+H[d+16>>2]|0;d=H[(ea[H[H[a>>2]+32>>2]](a)|0)+32>>2];d=H[d+8>>2]-H[d+16>>2]|0;P=e,Q=J[H[(ea[H[H[a>>2]+32>>2]](a)|0)+32>>2]+38>>1],G[P+38>>1]=Q;H[e>>2]=b;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=d;H[e+12>>2]=0;H[a+372>>2]=g;C=Ha(t);l:{if(!Ge(e,C)){break l}b=0;d=0;e=0;k=0;i=ca-96|0;ca=i;H[i+72>>2]=0;H[i+64>>2]=0;H[i+68>>2]=0;H[i+48>>2]=0;H[i+52>>2]=0;H[i+40>>2]=0;H[i+44>>2]=0;H[i+56>>2]=1065353216;H[i+32>>2]=0;H[i+24>>2]=0;H[i+28>>2]=0;h=a;L=H[a+124>>2];m:{n:{o:{p:{q:{r:{if((l|0)<=0){break r}A=H[h+216>>2]!=H[h+220>>2];s=1;while(1){f=k;k=f+1|0;s:{t:{u:{v:{w:{x:{y:{z:{A:{B:{C:{D:{E:{F:{G:{if(!I[h+308|0]){break G}u=H[h+296>>2];g=H[h+304>>2];a=u+(g>>>3|0)|0;p=H[h+300>>2];if(a>>>0>=p>>>0){break G}c=I[a|0];a=g+1|0;H[h+304>>2]=a;m=c>>>(g&7)&1;if(!m){break G}n=0;j=a>>>3|0;c=u+j|0;H:{if(c>>>0>=p>>>0){g=a;a=0;break H}c=I[c|0];g=g+2|0;H[h+304>>2]=g;j=g>>>3|0;a=c>>>(a&7)&1}c=j+u|0;if(c>>>0

>>0){c=I[c|0];H[h+304>>2]=g+1;n=c>>>(g&7)<<1&2}j=-1;a=m|(a|n)<<1;switch(a-1|0){case 6:break D;case 0:break E;case 2:case 4:break F;default:break q}}if((d|0)==(e|0)){j=-1;break q}g=-1;q=H[h+8>>2];u=H[q+24>>2];p=d-4|0;s=H[p>>2];c=-1;I:{if((s|0)==-1){break I}b=s+1|0;b=(b>>>0)%3|0?b:s-2|0;c=-1;if((b|0)==-1){break I}c=H[H[q>>2]+(b<<2)>>2]}b=H[u+(c<<2)>>2];if((b|0)!=-1){a=b+1|0;g=(a>>>0)%3|0?a:b-2|0}if((g|0)==(s|0)){j=-1;break q}if((s|0)!=-1){j=-1;if(H[H[q+12>>2]+(s<<2)>>2]!=-1){break q}}b=H[q+12>>2];if((g|0)!=-1){j=-1;if(H[b+(g<<2)>>2]!=-1){break q}}n=N(f,3);a=n+1|0;H[b+(s<<2)>>2]=a;m=a<<2;H[m+b>>2]=s;r=n+2|0;H[b+(g<<2)>>2]=r;f=r<<2;H[f+b>>2]=g;o=-1;a=-1;J:{if((s|0)==-1){break J}K:{if((s>>>0)%3|0){b=s-1|0;break K}b=s+2|0;a=-1;if((b|0)==-1){break J}}a=H[H[q>>2]+(b<<2)>>2]}L:{if((g|0)==-1){break L}b=g+1|0;b=(b>>>0)%3|0?b:g-2|0;if((b|0)==-1){break L}o=H[H[q>>2]+(b<<2)>>2]}j=-1;if((a|0)==(c|0)|(c|0)==(o|0)){break q}b=H[q>>2];H[b+(n<<2)>>2]=c;H[b+m>>2]=o;H[b+f>>2]=a;if((a|0)!=-1){H[u+(a<<2)>>2]=r}b=H[h+120>>2]+(c>>>3&536870908)|0;a=H[b>>2];P=b,Q=Vj(c)&a,H[P>>2]=Q;H[p>>2]=n;b=e;break s}if((d|0)==(e|0)){break q}m=d-4|0;n=H[m>>2];r=H[h+8>>2];b=H[r+12>>2];if((n|0)!=-1&H[b+(n<<2)>>2]!=-1){break q}o=N(f,3);p=(a|0)==5;g=o+(p?2:1)|0;a=g<<2;H[a+b>>2]=n;H[b+(n<<2)>>2]=g;Ka(r+24|0,11424);b=H[h+8>>2];u=H[b+24>>2];if(H[b+28>>2]-u>>2>(L|0)){break q}j=H[b>>2];q=j+a|0;c=H[r+28>>2];b=H[r+24>>2];a=(c-b>>2)-1|0;H[q>>2]=a;if((b|0)!=(c|0)){H[u+(a<<2)>>2]=g}c=p?o:o+2|0;g=j+(o+p<<2)|0;M:{if((n|0)==-1){H[j+(c<<2)>>2]=-1;b=-1;break M}N:{O:{P:{if((n>>>0)%3|0){a=n-1|0;break P}a=n+2|0;if((a|0)==-1){break O}}a=H[j+(a<<2)>>2];H[j+(c<<2)>>2]=a;if((a|0)==-1){break N}H[u+(a<<2)>>2]=c;break N}H[j+(c<<2)>>2]=-1}a=n+1|0;a=(a>>>0)%3|0?a:n-2|0;b=-1;if((a|0)==-1){break M}b=H[j+(a<<2)>>2]}H[g>>2]=b;H[m>>2]=o;b=e;break y}if((b|0)==(d|0)){break q}a=d-4|0;q=H[a>>2];H[i+68>>2]=a;p=H[i+44>>2];Q:{if(!p){d=a;break Q}g=H[i+40>>2];j=Uj(p)>>>0>1;c=f&p+2147483647;R:{if(!j){break R}c=f;if(c>>>0

>>0){break R}c=(f>>>0)%(p>>>0)|0}m=c;c=H[g+(m<<2)>>2];if(!c){d=a;break Q}g=H[c>>2];if(!g){d=a;break Q}S:{if(!j){j=p-1|0;while(1){c=H[g+4>>2];T:{if((c|0)!=(f|0)){if((m|0)==(c&j)){break T}d=a;break Q}if((f|0)==H[g+8>>2]){break S}}g=H[g>>2];if(g){continue}break}d=a;break Q}while(1){c=H[g+4>>2];U:{if((c|0)!=(f|0)){if(c>>>0>=p>>>0){c=(c>>>0)%(p>>>0)|0}if((c|0)==(m|0)){break U}d=a;break Q}if((f|0)==H[g+8>>2]){break S}}g=H[g>>2];if(g){continue}break}d=a;break Q}if((a|0)!=(z|0)){H[a>>2]=H[g+12>>2];H[i+68>>2]=d;break Q}c=z-b|0;d=c>>2;e=d+1|0;if(e>>>0>=1073741824){break C}a=c>>>1|0;c=c>>>0>=2147483644?1073741823:a>>>0>e>>>0?a:e;if(c){if(c>>>0>=1073741824){break n}a=pa(c<<2)}else{a=0}e=a+(d<<2)|0;H[e>>2]=H[g+12>>2];d=e+4|0;if((b|0)!=(z|0)){while(1){e=e-4|0;z=z-4|0;H[e>>2]=H[z>>2];if((b|0)!=(z|0)){continue}break}}z=a+(c<<2)|0;H[i+72>>2]=z;H[i+68>>2]=d;H[i+64>>2]=e;if(b){oa(b)}}if((d|0)==(e|0)){break u}g=d-4|0;n=H[g>>2];if((n|0)==(q|0)){break u}b=(n|0)==-1;o=H[h+8>>2];if(!b&H[H[o+12>>2]+(n<<2)>>2]!=-1){break u}r=H[o+12>>2];if((q|0)!=-1&H[r+(q<<2)>>2]!=-1){break u}u=N(f,3);f=u+2|0;H[r+(n<<2)>>2]=f;p=f<<2;H[p+r>>2]=n;a=u+1|0;H[r+(q<<2)>>2]=a;c=a<<2;H[c+r>>2]=q;if(b){break B}if((n>>>0)%3|0){m=n-1|0;break x}m=n+2|0;if((m|0)!=-1){break x}a=H[o>>2];b=-1;break w}a=H[h+8>>2];Ka(a+24|0,11424);c=H[h+8>>2];q=N(f,3);r=H[a+28>>2];u=H[a+24>>2];p=r-u|0;o=p>>2;g=o-1|0;H[H[c>>2]+(q<<2)>>2]=g;Ka(c+24|0,11424);m=q+1|0;H[H[c>>2]+(m<<2)>>2]=(H[c+28>>2]-H[c+24>>2]>>2)-1;a=H[h+8>>2];Ka(a+24|0,11424);c=q+2|0;H[H[a>>2]+(c<<2)>>2]=(H[a+28>>2]-H[a+24>>2]>>2)-1;a=H[h+8>>2];n=H[a+24>>2];if(H[a+28>>2]-n>>2>(L|0)){break q}V:{W:{if((r|0)!=(u|0)){H[n+(g<<2)>>2]=q;j=0;if((p|0)==-4){break W}}H[n+(o<<2)>>2]=m;j=o+1|0;if((j|0)==-1){break V}}H[n+(j<<2)>>2]=c}if((d|0)!=(z|0)){H[d>>2]=q;d=d+4|0;H[i+68>>2]=d;break y}m=d-b|0;e=m>>2;c=e+1|0;if(c>>>0>=1073741824){break A}a=m>>>1|0;c=m>>>0>=2147483644?1073741823:a>>>0>c>>>0?a:c;if(c){if(c>>>0>=1073741824){break n}a=pa(c<<2)}else{a=0}e=a+(e<<2)|0;H[e>>2]=q;z=a+(c<<2)|0;a=e+4|0;if((b|0)!=(d|0)){while(1){e=e-4|0;d=d-4|0;H[e>>2]=H[d>>2];if((b|0)!=(d|0)){continue}break}}H[i+72>>2]=z;H[i+68>>2]=a;H[i+64>>2]=e;if(!b){break z}oa(b);break z}sa();v()}m=-1;a=H[o>>2];H[a+(u<<2)>>2]=-1;j=-1;break v}sa();v()}d=a;b=e}m=H[h+40>>2];if((m|0)==H[h+36>>2]){break s}c=m-12|0;a=H[c+4>>2];j=(f^-1)+l|0;if(a>>>0>j>>>0){break u}if((a|0)!=(j|0)){break s}f=I[m-4|0];a=H[c>>2];H[h+40>>2]=c;if((a|0)<0){break u}m=d-4|0;g=H[m>>2];H[i+20>>2]=(a^-1)+l;a=i+20|0;H[i+88>>2]=a;Gb(i,i+40|0,a,i+88|0);c=H[i>>2];X:{if(f&1){a=-1;if((g|0)==-1){break X}a=g+1|0;a=(a>>>0)%3|0?a:g-2|0;break X}a=-1;if((g|0)==-1){break X}a=g-1|0;if((g>>>0)%3|0){break X}a=g+2|0}H[c+12>>2]=a;g=H[h+40>>2];if((g|0)==H[h+36>>2]){break s}while(1){c=g-12|0;a=H[c+4>>2];if(a>>>0>j>>>0){break u}if((a|0)!=(j|0)){break s}f=I[g-4|0];a=H[c>>2];H[h+40>>2]=c;if((a|0)<0){break u}g=H[m>>2];H[i+20>>2]=(a^-1)+l;a=i+20|0;H[i+88>>2]=a;Gb(i,i+40|0,a,i+88|0);c=H[i>>2];Y:{if(f&1){a=-1;if((g|0)==-1){break Y}a=g+1|0;a=(a>>>0)%3|0?a:g-2|0;break Y}a=-1;if((g|0)==-1){break Y}a=g-1|0;if((g>>>0)%3|0){break Y}a=g+2|0}H[c+12>>2]=a;g=H[h+40>>2];if((g|0)!=H[h+36>>2]){continue}break}break s}a=H[o>>2];b=H[a+(m<<2)>>2]}m=b;H[(u<<2)+a>>2]=b;b=n+1|0;b=(b>>>0)%3|0?b:n-2|0;j=-1;if((b|0)==-1){break v}j=H[(b<<2)+a>>2]}H[a+c>>2]=j;Z:{if((q|0)==-1){H[a+p>>2]=-1;n=-1;c=-1;break Z}_:{$:{aa:{if((q>>>0)%3|0){b=q-1|0;break aa}b=q+2|0;if((b|0)==-1){break $}}b=H[(b<<2)+a>>2];H[a+p>>2]=b;if((b|0)==-1){break _}H[H[o+24>>2]+(b<<2)>>2]=f;break _}H[a+p>>2]=-1}n=-1;b=q+1|0;b=(b>>>0)%3|0?b:q-2|0;c=-1;if((b|0)==-1){break Z}n=H[(b<<2)+a>>2];c=b}b=H[o+24>>2];p=b+(n<<2)|0;if((m|0)!=-1){H[b+(m<<2)>>2]=H[p>>2]}b=c;while(1){if((b|0)==-1){break t}H[(b<<2)+a>>2]=m;j=b+1|0;b=(j>>>0)%3|0?j:b-2|0;f=-1;ba:{if((b|0)==-1){break ba}j=H[r+(b<<2)>>2];f=-1;if((j|0)==-1){break ba}b=j+1|0;f=(b>>>0)%3|0?b:j-2|0}b=f;if((c|0)!=(b|0)){continue}break}}j=-1;if(!(s&1)){break r}break q}H[p>>2]=-1;ca:{if(A){break ca}if((B|0)!=(D|0)){H[D>>2]=n;D=D+4|0;H[i+28>>2]=D;break ca}f=B-w|0;b=f>>2;c=b+1|0;if(c>>>0>=1073741824){break o}a=f>>>1|0;c=f>>>0>=2147483644?1073741823:a>>>0>c>>>0?a:c;if(c){if(c>>>0>=1073741824){break n}a=pa(c<<2)}else{a=0}b=a+(b<<2)|0;H[b>>2]=n;D=b+4|0;if((w|0)!=(B|0)){while(1){b=b-4|0;B=B-4|0;H[b>>2]=H[B>>2];if((w|0)!=(B|0)){continue}break}}B=a+(c<<2)|0;H[i+32>>2]=B;H[i+28>>2]=D;H[i+24>>2]=b;if(w){oa(w)}w=b}H[g>>2]=u;b=e}s=(k|0)<(l|0);if((k|0)!=(l|0)){continue}break}k=l}j=-1;a=H[h+8>>2];if(H[a+28>>2]-H[a+24>>2]>>2>(L|0)){break q}if((d|0)!=(e|0)){u=h+72|0;m=h+60|0;p=h+312|0;while(1){d=d-4|0;o=H[d>>2];H[i+68>>2]=d;da:{ea:{fa:{if(J[h+270>>1]<=513){if(!I[h+364|0]){break ea}b=H[h+360>>2];a=H[h+352>>2]+(b>>>3|0)|0;if(a>>>0>=K[h+356>>2]){break fa}a=I[a|0];H[h+360>>2]=b+1;if(!(a>>>(b&7)&1)){break fa}break ea}if(Ba(p)){break ea}}ga:{ha:{b=H[h+64>>2];c=H[h+68>>2];if((b|0)==c<<5){if((b+1|0)<0){break ha}if(b>>>0<=1073741822){c=c<<6;b=(b&-32)+32|0;a=b>>>0>>0?c:b}else{a=2147483647}pb(m,a);b=H[h+64>>2]}H[h+64>>2]=b+1;c=H[h+60>>2]+(b>>>3&536870908)|0;a=H[c>>2];P=c,Q=Vj(b)&a,H[P>>2]=Q;b=H[h+76>>2];if((b|0)!=H[h+80>>2]){H[b>>2]=o;H[h+76>>2]=b+4;break da}l=H[u>>2];w=b-l|0;c=w>>2;f=c+1|0;if(f>>>0>=1073741824){break ga}a=w>>>1|0;f=w>>>0>=2147483644?1073741823:a>>>0>f>>>0?a:f;if(f){if(f>>>0>=1073741824){break n}a=pa(f<<2)}else{a=0}g=a+(c<<2)|0;H[g>>2]=o;c=g+4|0;if((b|0)!=(l|0)){while(1){g=g-4|0;b=b-4|0;H[g>>2]=H[b>>2];if((b|0)!=(l|0)){continue}break}}H[h+80>>2]=a+(f<<2);H[h+76>>2]=c;H[h+72>>2]=g;if(!l){break da}oa(l);break da}sa();v()}sa();v()}r=H[h+8>>2];A=H[r>>2];if(((H[r+4>>2]-A>>2>>>0)/3|0)<=(k|0)){j=-1;break q}a=-1;j=-1;b=-1;w=H[r+24>>2];f=-1;ia:{if((o|0)==-1){break ia}e=o+1|0;e=(e>>>0)%3|0?e:o-2|0;f=-1;if((e|0)==-1){break ia}f=H[A+(e<<2)>>2]}l=H[w+(f<<2)>>2];ja:{if((l|0)==-1){g=1;e=-1;break ja}g=1;c=l+1|0;c=(c>>>0)%3|0?c:l-2|0;e=-1;if((c|0)==-1){break ja}g=0;a=c;e=a+1|0;e=(e>>>0)%3|0?e:a-2|0;if((e|0)!=-1){e=H[A+(e<<2)>>2]}else{e=-1}}c=H[(e<<2)+w>>2];if((c|0)!=-1){b=c+1|0;b=(b>>>0)%3|0?b:c-2|0}if((a|0)==(o|0)|(b|0)==(o|0)|((o|0)!=-1&H[H[r+12>>2]+(o<<2)>>2]!=-1|(a|0)==(b|0))){break q}if(!g&H[H[r+12>>2]+(a<<2)>>2]!=-1){break q}g=-1;l=H[r+12>>2];w=-1;ka:{if((b|0)==-1){break ka}if(H[l+(b<<2)>>2]!=-1){break q}c=b+1|0;c=(c>>>0)%3|0?c:b-2|0;w=-1;if((c|0)==-1){break ka}w=H[A+(c<<2)>>2]}c=N(k,3);H[i>>2]=c;H[l+(c<<2)>>2]=o;H[l+(o<<2)>>2]=c;c=H[i>>2]+1|0;H[l+(c<<2)>>2]=a;H[l+(a<<2)>>2]=c;a=H[i>>2]+2|0;H[l+(a<<2)>>2]=b;H[l+(b<<2)>>2]=a;a=H[i>>2];H[A+(a<<2)>>2]=e;j=a+1|0;l=A+(j<<2)|0;H[l>>2]=w;w=a+2|0;c=A+(w<<2)|0;H[c>>2]=f;f=H[h+120>>2];e=j?e:-1;b=f+(e>>>3&536870908)|0;a=H[b>>2];P=b,Q=Vj(e)&a,H[P>>2]=Q;g=(j|0)!=-1?H[l>>2]:g;b=f+(g>>>3&536870908)|0;a=H[b>>2];P=b,Q=Vj(g)&a,H[P>>2]=Q;b=-1;b=(w|0)!=-1?H[c>>2]:b;e=f+(b>>>3&536870908)|0;a=H[e>>2];P=e,Q=Vj(b)&a,H[P>>2]=Q;F[i+88|0]=1;_c(m,i+88|0);Ka(u,i);k=k+1|0;e=H[i+64>>2]}if((d|0)!=(e|0)){continue}break}a=H[h+8>>2]}j=-1;if(((H[a+4>>2]-H[a>>2]>>2>>>0)/3|0)!=(k|0)){break q}j=H[a+28>>2]-H[a+24>>2]>>2;s=H[i+24>>2];c=H[i+28>>2];if((s|0)==(c|0)){break p}while(1){k=H[s>>2];d=H[a+24>>2];b=j-1|0;g=d+(b<<2)|0;if(H[g>>2]==-1){while(1){b=j-2|0;j=j-1|0;g=d+(b<<2)|0;if(H[g>>2]==-1){continue}break}}if(b>>>0>=k>>>0){H[i>>2]=a;g=H[g>>2];F[i+12|0]=1;H[i+8>>2]=g;H[i+4>>2]=g;if((g|0)!=-1){while(1){a=H[H[h+8>>2]>>2]+(g<<2)|0;if(H[a>>2]!=(b|0)){j=-1;break q}H[a>>2]=k;uc(i);g=H[i+8>>2];if((g|0)!=-1){continue}break}a=H[h+8>>2]}d=H[a+24>>2];e=d+(b<<2)|0;if((k|0)!=-1){H[d+(k<<2)>>2]=H[e>>2]}H[e>>2]=-1;f=1<>2];e=d+(k>>>3&536870908)|0;k=d+(b>>>3&536870908)|0;d=1<>2]&d){b=f|H[e>>2]}else{b=H[e>>2]&(f^-1)}H[e>>2]=b;H[k>>2]=H[k>>2]&(d^-1);j=j-1|0}s=s+4|0;if((c|0)!=(s|0)){continue}break}}s=H[i+24>>2]}if(s){oa(s)}a=H[i+48>>2];if(a){while(1){d=H[a>>2];oa(a);a=d;if(a){continue}break}}a=H[i+40>>2];H[i+40>>2]=0;if(a){oa(a)}a=H[i+64>>2];if(a){H[i+68>>2]=a;oa(a)}ca=i+96|0;a=j;break m}sa();v()}wa();v()}e=a;if((a|0)==-1){break l}b=H[C+16>>2];d=b+H[C>>2]|0;a=H[C+8>>2]-b|0;b=H[H[h+4>>2]+32>>2];G[b+38>>1]=J[b+38>>1];H[b>>2]=d;H[b+16>>2]=0;H[b+20>>2]=0;H[b+8>>2]=a;H[b+12>>2]=0;b=H[h+4>>2];a=J[b+36>>1];d=a<<8|a>>>8;if((d&65535)>>>0<=513){b=H[b+32>>2];c=b;a=H[b+16>>2];b=M+H[b+20>>2]|0;a=a+y|0;b=a>>>0>>0?b+1|0:b;H[c+16>>2]=a;H[c+20>>2]=b}la:{if(H[h+216>>2]==H[h+220>>2]){break la}a=H[h+8>>2];b=H[a>>2];a=H[a+4>>2];ma:{if((d&65535)>>>0>=513){if((a|0)==(b|0)){break la}d=0;break ma}if((a|0)==(b|0)){break la}d=0;while(1){if(cd(h,d)){d=d+3|0;a=H[h+8>>2];if(d>>>0>2]-H[a>>2]>>2>>>0){continue}break la}break}break l}while(1){if(bd(h,d)){d=d+3|0;a=H[h+8>>2];if(d>>>0>2]-H[a>>2]>>2>>>0){continue}break la}break}break l}ad(O);d=H[h+216>>2];if((d|0)!=H[h+220>>2]){l=0;while(1){c=N(l,144);Jc((c+d|0)+4|0,H[h+8>>2]);a=H[E>>2];b=a+c|0;d=H[b+132>>2];b=H[b+136>>2];if((d|0)!=(b|0)){while(1){Hc((c+H[E>>2]|0)+4|0,H[d>>2]);d=d+4|0;if((b|0)!=(d|0)){continue}break}a=H[E>>2]}if(!Ic((a+c|0)+4|0)){break l}l=l+1|0;d=H[h+216>>2];if(l>>>0<(H[h+220>>2]-d|0)/144>>>0){continue}break}}a=H[h+8>>2];Hb(h+184|0,H[a+28>>2]-H[a+24>>2]>>2);x=H[h+216>>2];if((x|0)!=H[h+220>>2]){d=0;while(1){a=N(d,144)+x|0;b=H[a+60>>2]-H[a+56>>2]>>2;c=a+104|0;a=H[h+8>>2];a=H[a+28>>2]-H[a+24>>2]>>2;Hb(c,(a|0)<(b|0)?b:a);d=d+1|0;x=H[h+216>>2];if(d>>>0<(H[h+220>>2]-x|0)/144>>>0){continue}break}}x=$c(h,e)}break b}x=0}ca=t- -64|0;return x|0}function Bg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,G=0,J=0,K=0,L=0,M=0,O=0;B=c;c=0;m=ca-96|0;ca=m;l=m+16|0;ra(l,0,76);H[m+92>>2]=-1;H[m+8>>2]=0;H[m>>2]=0;H[m+4>>2]=0;r=ca-16|0;ca=r;H[l+68>>2]=0;H[l+72>>2]=0;H[l>>2]=b;s=ca-16|0;ca=s;u=b;a=H[b+20>>2];a:{if((H[b+24>>2]-a|0)<=0){break a}a=H[a>>2];if((a|0)==-1){break a}c=H[H[u+8>>2]+(a<<2)>>2]}b:{c:{d:{if(!c){a=0;break d}a=H[u+100>>2];e=H[u+96>>2];H[s+8>>2]=0;H[s>>2]=0;H[s+4>>2]=0;f=a-e|0;b=(f|0)/12|0;e:{if((a|0)==(e|0)){break e}if(b>>>0>=357913942){break c}d=pa(f);H[s>>2]=d;H[s+8>>2]=d+N(b,12);a=0;n=d;f=f-12|0;d=(f-((f>>>0)%12|0)|0)+12|0;f=ra(n,0,d);H[s+4>>2]=d+f;if(I[c+84|0]){c=b>>>0<=1?1:b;h=c&1;if(b>>>0>=2){g=c&-2;c=0;while(1){d=N(a,12);b=d+e|0;i=H[b+4>>2];j=H[b>>2];d=d+f|0;H[d+8>>2]=H[b+8>>2];H[d>>2]=j;H[d+4>>2]=i;d=N(a|1,12);b=d+e|0;i=H[b+4>>2];j=H[b>>2];d=d+f|0;H[d+8>>2]=H[b+8>>2];H[d>>2]=j;H[d+4>>2]=i;a=a+2|0;c=c+2|0;if((g|0)!=(c|0)){continue}break}}if(!h){break e}b=N(a,12);a=b+e|0;c=H[a+4>>2];e=H[a>>2];b=b+f|0;H[b+8>>2]=H[a+8>>2];H[b>>2]=e;H[b+4>>2]=c;break e}h=b>>>0<=1?1:b;a=H[c+68>>2];c=0;while(1){d=N(c,12);b=d+e|0;g=H[a+(H[b>>2]<<2)>>2];i=H[a+(H[b+4>>2]<<2)>>2];d=d+f|0;H[d+8>>2]=H[a+(H[b+8>>2]<<2)>>2];H[d+4>>2]=i;H[d>>2]=g;c=c+1|0;if((h|0)!=(c|0)){continue}break}}d=0;E=ca-16|0;ca=E;h=pa(88);$b(h);C=ca-16|0;ca=C;H[h+80>>2]=0;H[h+84>>2]=0;a=H[h+76>>2];H[h+76>>2]=0;if(a){oa(a)}H[h+68>>2]=0;H[h+72>>2]=0;b=h- -64|0;a=H[b>>2];H[b>>2]=0;if(a){oa(a)}g=H[s+4>>2];b=H[s>>2];c=(g-b|0)/12|0;a=N(c,3);f=H[h>>2];e=H[h+4>>2]-f>>2;f:{if(a>>>0>e>>>0){ue(h,a-e|0);g=H[s+4>>2];b=H[s>>2];c=(g-b|0)/12|0;break f}if(a>>>0>=e>>>0){break f}H[h+4>>2]=f+(a<<2)}g:{if((b|0)==(g|0)){break g}e=c>>>0<=1?1:c;g=e&1;a=H[h>>2];if(c>>>0>=2){i=e&-2;c=0;while(1){e=N(d,12);j=e+a|0;f=b+e|0;H[j>>2]=H[f>>2];H[a+(e|4)>>2]=H[f+4>>2];H[j+8>>2]=H[f+8>>2];f=N(d|1,12);e=f+a|0;f=b+f|0;H[e>>2]=H[f>>2];H[e+4>>2]=H[f+4>>2];H[e+8>>2]=H[f+8>>2];d=d+2|0;c=c+2|0;if((i|0)!=(c|0)){continue}break}}if(!g){break g}c=N(d,12);a=c+a|0;b=b+c|0;H[a>>2]=H[b>>2];H[a+4>>2]=H[b+4>>2];H[a+8>>2]=H[b+8>>2]}H[C+12>>2]=-1;a=0;e=0;g=0;f=ca-32|0;ca=f;h:{i:{w=C+12|0;j:{if(!w){break j}c=H[h+4>>2];j=H[h>>2];d=c-j|0;i=d>>2;n=H[h+12>>2];b=H[h+16>>2]-n>>2;k:{if(i>>>0>b>>>0){qb(h+12|0,i-b|0,13652);c=H[h+4>>2];j=H[h>>2];d=c-j|0;i=d>>2;break k}if(b>>>0<=i>>>0){break k}H[h+16>>2]=n+(i<<2)}H[f+24>>2]=0;H[f+16>>2]=0;H[f+20>>2]=0;b=(c|0)==(j|0);if(!b){if((d|0)<0){break i}e=pa(d);H[f+20>>2]=e;H[f+16>>2]=e;H[f+24>>2]=(i<<2)+e}l:{m:{n:{o:{p:{if(d){while(1){i=H[(a<<2)+j>>2];b=H[f+20>>2]-e>>2;q:{if(i>>>0>>0){break q}H[f>>2]=0;d=i+1|0;if(d>>>0>b>>>0){Pa(f+16|0,d-b|0,f);j=H[h>>2];c=H[h+4>>2];e=H[f+16>>2];break q}if(b>>>0<=d>>>0){break q}H[f+20>>2]=(d<<2)+e}b=(i<<2)+e|0;H[b>>2]=H[b>>2]+1;a=a+1|0;d=c-j|0;i=d>>2;if(a>>>0>>0){continue}break}break p}d=0;if(!b){break o}break n}if((c|0)==(j|0)){d=0;break n}if(d>>>0>=2147483645){break m}}d=pa(d<<1);ra(d,255,i<<3)}H[f+8>>2]=0;H[f>>2]=0;H[f+4>>2]=0;b=H[f+20>>2];a=b-e|0;t=a>>2;r:{s:{if((b|0)==(e|0)){break s}if((a|0)<0){break r}q=pa(a);H[f>>2]=q;H[f+8>>2]=(t<<2)+q;b=ra(q,0,a);H[f+4>>2]=b+a;c=t>>>0<=1?1:t;n=c&3;a=0;if(c-1>>>0>=3){o=c&-4;while(1){c=g<<2;H[c+b>>2]=a;x=c|4;a=H[c+e>>2]+a|0;H[x+b>>2]=a;y=c|8;a=a+H[e+x>>2]|0;H[y+b>>2]=a;c=c|12;a=a+H[e+y>>2]|0;H[c+b>>2]=a;a=a+H[c+e>>2]|0;g=g+4|0;p=p+4|0;if((o|0)!=(p|0)){continue}break}}if(!n){break s}while(1){c=g<<2;H[c+b>>2]=a;g=g+1|0;a=H[c+e>>2]+a|0;k=k+1|0;if((n|0)!=(k|0)){continue}break}}if(!i){break l}x=H[h+40>>2];y=H[h+12>>2];n=0;while(1){G=n<<2;a=G+j|0;k=-1;c=n+1|0;b=(c>>>0)%3|0?c:n-2|0;if((b|0)!=-1){k=H[(b<<2)+j>>2]}b=H[a>>2];t:{u:{if(!((n>>>0)%3|0)){p=-1;a=n+2|0;if((a|0)!=-1){p=H[(a<<2)+j>>2]}if(!((b|0)==(k|0)|(b|0)==(p|0))&(k|0)!=(p|0)){break u}x=x+1|0;H[h+40>>2]=x;c=n+3|0;break t}p=H[a-4>>2]}a=p<<2;A=H[a+e>>2];v:{w:{if((A|0)<=0){break w}a=H[a+q>>2];g=0;while(1){o=(a<<3)+d|0;z=H[o>>2];if((z|0)==-1){break w}x:{if((k|0)!=(z|0)){break x}o=H[o+4>>2];if((o|0)!=-1){z=H[(o<<2)+j>>2]}else{z=-1}if((z|0)==(b|0)){break x}while(1){y:{b=a;g=g+1|0;if((A|0)<=(g|0)){break y}a=b+1|0;J=(a<<3)+d|0;z=H[J>>2];K=(b<<3)+d|0;H[K+4>>2]=H[J+4>>2];H[K>>2]=z;if((z|0)!=-1){continue}}break}H[(b<<3)+d>>2]=-1;if((o|0)==-1){break w}H[y+G>>2]=o;H[y+(o<<2)>>2]=n;break v}a=a+1|0;g=g+1|0;if((A|0)!=(g|0)){continue}break}}a=k<<2;k=H[a+e>>2];if((k|0)<=0){break v}a=H[a+q>>2];g=0;while(1){b=(a<<3)+d|0;if(H[b>>2]==-1){H[b>>2]=p;H[b+4>>2]=n;break v}a=a+1|0;g=g+1|0;if((k|0)!=(g|0)){continue}break}}}n=c;if(n>>>0>>0){continue}break}break l}break i}sa();v()}H[w>>2]=t;if(q){oa(q)}if(d){oa(d)}a=H[f+16>>2];if(!a){break j}H[f+20>>2]=a;oa(a)}ca=f+32|0;x=(w|0)!=0;if(x){k=ca-32|0;ca=k;a=H[h>>2];g=H[h+4>>2];H[k+24>>2]=0;H[k+16>>2]=0;H[k+20>>2]=0;if((a|0)==(g|0)){c=g}else{a=g-a|0;if((a|0)<0){break i}a=a>>2;b=(a-1>>>5|0)+1|0;c=pa(b<<2);H[k+24>>2]=b;H[k+20>>2]=0;H[k+16>>2]=c;Mc(k+16|0,a);g=H[h>>2];c=H[h+4>>2]}H[k+8>>2]=0;H[k>>2]=0;while(1){z:{o=0;i=0;if((c|0)==(g|0)){break z}while(1){b=H[k+16>>2];A:{if(H[b+(i>>>3&536870908)>>2]>>>i&1){break A}c=H[k>>2];H[k+4>>2]=c;e=H[h+12>>2];a=i;while(1){B:{f=a+1|0;d=a;a=(f>>>0)%3|0?f:a-2|0;if((a|0)==-1){break B}a=H[e+(a<<2)>>2];if((a|0)==-1){break B}f=a+1|0;a=(f>>>0)%3|0?f:a-2|0;if((i|0)==(a|0)|(a|0)==-1){break B}if(!(H[b+(a>>>3&536870908)>>2]>>>a&1)){continue}}break}j=d;C:{D:{E:{while(1){a=H[k+16>>2]+(j>>>3&536870908)|0;H[a>>2]=H[a>>2]|1<>>0)%3|0?a:j-2|0;g=H[h>>2];y=(j>>>0)%3|0;b=(y?-1:2)+j|0;n=H[k>>2];A=(n|0)==(c|0);F:{if(A){break F}w=H[(f<<2)+g>>2];q=H[h+12>>2];a=n;if((b|0)!=-1){e=q+(b<<2)|0;while(1){G:{if((w|0)!=H[a>>2]){break G}p=H[a+4>>2];t=H[e>>2];if((p|0)==(t|0)){break G}e=b;c=-1;a=-1;if((p|0)==-1){break C}break D}a=a+8|0;if((c|0)!=(a|0)){continue}break}break F}while(1){if((w|0)==H[a>>2]){t=-1;e=-1;p=H[a+4>>2];if((p|0)!=-1){break D}}a=a+8|0;if((c|0)!=(a|0)){continue}break}}b=H[(b<<2)+g>>2];H:{if(H[k+8>>2]!=(c|0)){H[c>>2]=b;H[c+4>>2]=f;c=c+8|0;H[k+4>>2]=c;break H}a=c-n|0;p=a>>3;e=p+1|0;if(e>>>0>=536870912){break i}g=a>>>2|0;g=a>>>0>=2147483640?536870911:e>>>0>>0?g:e;if(g){if(g>>>0>=536870912){break E}e=pa(g<<3)}else{e=0}a=e+(p<<3)|0;H[a>>2]=b;H[a+4>>2]=f;b=a+8|0;if(!A){while(1){c=c-8|0;f=H[c+4>>2];a=a-8|0;H[a>>2]=H[c>>2];H[a+4>>2]=f;if((c|0)!=(n|0)){continue}break}c=H[k>>2]}H[k+8>>2]=e+(g<<3);H[k+4>>2]=b;H[k>>2]=a;if(c){oa(c)}c=b}I:{J:{if(y){a=j-1|0;break J}a=j+2|0;if((a|0)==-1){break I}}a=H[H[h+12>>2]+(a<<2)>>2];if((a|0)==-1){break I}j=a+((a>>>0)%3|0?-1:2)|0;if((d|0)==(j|0)){break I}if((j|0)!=-1){continue}}break}g=H[h>>2];break A}wa();v()}c=H[q+(p<<2)>>2];b=e;a=p}if((t|0)!=-1){H[q+(t<<2)>>2]=-1}if((c|0)!=-1){H[q+(c<<2)>>2]=-1}H[q+(b<<2)>>2]=-1;H[q+(a<<2)>>2]=-1;o=1}i=i+1|0;c=H[h+4>>2];if(i>>>0>2>>>0){continue}break}if(o){continue}}break}a=H[k>>2];if(a){oa(a)}a=H[k+16>>2];if(a){oa(a)}ca=k+32|0;n=0;g=ca-32|0;ca=g;e=H[C+12>>2];H[h+36>>2]=e;p=h+24|0;b=H[h+24>>2];a=H[h+28>>2]-b>>2;K:{L:{if(a>>>0>>0){qb(p,e-a|0,13652);H[g+24>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;break L}if(a>>>0>e>>>0){H[h+28>>2]=b+(e<<2)}H[g+24>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;if(!e){break K}}if((e|0)<0){break i}a=(e-1>>>5|0)+1|0;b=pa(a<<2);H[g+24>>2]=a;H[g+20>>2]=0;H[g+16>>2]=b;Mc(g+16|0,e)}a=H[h>>2];b=H[h+4>>2];H[g+8>>2]=0;H[g>>2]=0;H[g+4>>2]=0;M:{if((a|0)==(b|0)){a=b}else{a=b-a|0;if((a|0)<0){break i}a=a>>2;b=(a-1>>>5|0)+1|0;c=pa(b<<2);H[g+8>>2]=b;H[g+4>>2]=0;H[g>>2]=c;Mc(g,a);b=H[h>>2];a=H[h+4>>2]}if(a-b>>>0<12){break M}N:{while(1){q=N(n,3);d=(q<<2)+b|0;f=H[d>>2];c=-1;i=q+1|0;if((i|0)!=-1){c=H[(i<<2)+b>>2]}O:{if((c|0)==(f|0)){break O}i=f;f=H[d+8>>2];if((i|0)==(f|0)|(c|0)==(f|0)){break O}k=0;i=H[g>>2];while(1){f=k+q|0;if(!(H[(f>>>3&536870908)+i>>2]>>>f&1)){a=H[(f<<2)+b>>2];c=1<>2];b=a>>>5|0;i=H[d+(b<<2)>>2];t=c&i;if(t){c=H[h+28>>2];P:{if((c|0)!=H[h+32>>2]){H[c>>2]=-1;H[h+28>>2]=c+4;break P}i=H[p>>2];b=c-i|0;o=b>>2;d=o+1|0;if(d>>>0>=1073741824){break i}j=b>>>1|0;j=b>>>0>=2147483644?1073741823:d>>>0>>0?j:d;if(j){if(j>>>0>=1073741824){break N}b=pa(j<<2)}else{b=0}d=b+(o<<2)|0;H[d>>2]=-1;o=d+4|0;if((c|0)!=(i|0)){while(1){d=d-4|0;c=c-4|0;H[d>>2]=H[c>>2];if((c|0)!=(i|0)){continue}break}}H[h+32>>2]=b+(j<<2);H[h+28>>2]=o;H[h+24>>2]=d;if(!i){break P}oa(i)}c=H[h+52>>2];Q:{if((c|0)!=H[h+56>>2]){H[c>>2]=a;H[h+52>>2]=c+4;break Q}i=H[h+48>>2];b=c-i|0;o=b>>2;d=o+1|0;if(d>>>0>=1073741824){break i}j=b>>>1|0;j=b>>>0>=2147483644?1073741823:d>>>0>>0?j:d;if(j){if(j>>>0>=1073741824){break N}b=pa(j<<2)}else{b=0}d=b+(o<<2)|0;H[d>>2]=a;a=d+4|0;if((c|0)!=(i|0)){while(1){d=d-4|0;c=c-4|0;H[d>>2]=H[c>>2];if((c|0)!=(i|0)){continue}break}}H[h+56>>2]=b+(j<<2);H[h+52>>2]=a;H[h+48>>2]=d;if(!i){break Q}oa(i)}c=H[g+20>>2];a=H[g+24>>2];if((c|0)==a<<5){if((c+1|0)<0){break i}b=g+16|0;if(c>>>0<=1073741822){a=a<<6;c=(c&-32)+32|0;a=a>>>0>c>>>0?a:c}else{a=2147483647}pb(b,a);c=H[g+20>>2]}H[g+20>>2]=c+1;d=H[g+16>>2];a=d+(c>>>3&536870908)|0;b=H[a>>2];M=a,O=Vj(c)&b,H[M>>2]=O;c=1<>>5|0;i=H[(b<<2)+d>>2];a=e;e=a+1|0}H[(b<<2)+d>>2]=c|i;o=H[h+24>>2]+(a<<2)|0;j=H[h+12>>2];b=H[h>>2];i=H[g>>2];c=f;R:{S:{T:{while(1){if((c|0)==-1){break T}d=(c>>>3&536870908)+i|0;H[d>>2]=H[d>>2]|1<>2]=c;if(t){H[(c<<2)+b>>2]=a}w=c+1|0;c=(w>>>0)%3|0?w:c-2|0;d=-1;U:{if((c|0)==-1){break U}c=H[j+(c<<2)>>2];d=-1;if((c|0)==-1){break U}d=c+1|0;d=(d>>>0)%3|0?d:c-2|0}c=d;if((f|0)!=(c|0)){continue}break}if((f|0)!=-1){break R}c=1;break S}if((f>>>0)%3|0){c=f-1|0;break S}c=f+2|0;if((c|0)==-1){break R}}c=H[j+(c<<2)>>2];if((c|0)==-1){break R}V:{if((c>>>0)%3|0){c=c-1|0;break V}c=c+2|0;if((c|0)==-1){break R}}f=H[h+12>>2];b=H[h>>2];while(1){d=(c>>>3&536870908)+i|0;H[d>>2]=H[d>>2]|1<>2]=a}W:{if((c>>>0)%3|0){c=c-1|0;break W}c=c+2|0;if((c|0)==-1){break R}}c=H[f+(c<<2)>>2];if((c|0)==-1){break R}c=c+((c>>>0)%3|0?-1:2)|0;if((c|0)!=-1){continue}break}}}k=k+1|0;if((k|0)!=3){continue}break}b=H[h>>2];a=H[h+4>>2]}n=n+1|0;if(n>>>0<(a-b>>2>>>0)/3>>>0){continue}break}break M}wa();v()}c=0;H[h+44>>2]=0;a=H[g+16>>2];b=H[g+20>>2];if(b){e=b&31;b=(b>>>3&536870908)+a|0;d=a;i=0;while(1){if(!(H[d>>2]>>>c&1)){i=i+1|0;H[h+44>>2]=i}f=(c|0)==31;c=f?0:c+1|0;d=(f<<2)+d|0;if((b|0)!=(d|0)|(c|0)!=(e|0)){continue}break}}b=H[g>>2];if(b){oa(b);a=H[g+16>>2]}if(a){oa(a)}ca=g+32|0}ca=C+16|0;if(!x){H[E+8>>2]=0;cb(h);h=0}ca=E+16|0;a=h;break h}sa();v()}b=H[s>>2];if(!b){break d}H[s+4>>2]=b;oa(b)}ca=s+16|0;break b}sa();v()}c=H[l+4>>2];b=a;H[l+4>>2]=a;if(c){cb(c);b=H[l+4>>2]}X:{if(!b){break X}a=H[u+100>>2];c=H[u+96>>2];F[r+12|0]=0;Oa(l+56|0,(a-c|0)/12|0,r+12|0);a=H[u+100>>2];c=H[u+96>>2];if((a|0)==(c|0)){break X}while(1){if(!(H[H[l+56>>2]+(D>>>3&536870908)>>2]>>>D&1)){a=N(D,3);Gc(l,0,a);c=H[l+8>>2];e=H[l+12>>2];Gc(l,1,a+1|0);f=H[l+20>>2];d=H[l+24>>2];Gc(l,2,a+2|0);n=(c|0)==(e|0)?-1:0;a=d-f>>2;c=e-c>>2;e=a>>>0>c>>>0;c=H[l+36>>2]-H[l+32>>2]>>2>>>0>(e?a:c)>>>0?2:e?1:n;Y:{if(H[l+68>>2]<=0){break Y}H[r+12>>2]=H[l+76>>2];H[r+8>>2]=m;bb(r+8|0,r+12|0);a=H[((c<<2)+l|0)+44>>2];if((a|0)<0){a=-1}else{e=(a>>>0)/3|0;a=H[(H[H[l>>2]+96>>2]+N(e,12)|0)+(a-N(e,3)<<2)>>2]}H[r+12>>2]=a;H[r+8>>2]=m;bb(r+8|0,r+12|0);e=H[l+72>>2];H[l+72>>2]=e+2;if(!(e&1)){break Y}H[r+12>>2]=a;H[r+8>>2]=m;bb(r+8|0,r+12|0);H[l+72>>2]=H[l+72>>2]+1}d=0;e=ca-16|0;ca=e;H[l+68>>2]=H[l+68>>2]+1;a=N(c,12)+l|0;a=H[a+12>>2]-H[a+8>>2]|0;if((a|0)>0){a=a>>>2|0;h=a>>>0<=1?1:a;c=H[((c<<2)+l|0)+44>>2];while(1){a=c;f=(a>>>0)/3|0;c=(a|0)==-1;g=c?-1:f;i=H[l+56>>2]+(g>>>3&536870908)|0;H[i>>2]=H[i>>2]|1<>2]=H[l+72>>2]+1;Z:{_:{$:{aa:{ba:{if(!d){ca:{if((a|0)>=0){H[e+12>>2]=H[(H[H[l>>2]+96>>2]+N(f,12)|0)+((a>>>0)%3<<2)>>2];H[e+8>>2]=m;bb(e+8|0,e+12|0);break ca}H[e+12>>2]=-1;H[e+8>>2]=m;bb(e+8|0,e+12|0);if(c){break ba}}c=-1;f=a+1|0;f=(f>>>0)%3|0?f:a-2|0;if((f|0)>=0){g=(f>>>0)/3|0;f=H[(H[H[l>>2]+96>>2]+N(g,12)|0)+(f-N(g,3)<<2)>>2]}else{f=-1}H[e+12>>2]=f;H[e+8>>2]=m;bb(e+8|0,e+12|0);f=((a>>>0)%3|0?-1:2)+a|0;if((f|0)<0){break aa}c=(f>>>0)/3|0;c=H[(H[H[l>>2]+96>>2]+N(c,12)|0)+(f-N(c,3)<<2)>>2];break aa}c=(a|0)<0?-1:H[(H[H[l>>2]+96>>2]+N(f,12)|0)+((a>>>0)%3<<2)>>2];H[l+76>>2]=c;H[e+12>>2]=c;H[e+8>>2]=m;bb(e+8|0,e+12|0);if(d&1){c=-1;if((a|0)==-1){break Z}if((N(f,3)|0)!=(a|0)){a=a-1|0;break _}a=a+2|0;break $}c=-1;if((a|0)==-1){break Z}c=a+1|0;a=(c>>>0)%3|0?c:a-2|0;break $}c=-1;H[e+12>>2]=-1;H[e+8>>2]=m;bb(e+8|0,e+12|0)}H[l+76>>2]=c;H[e+12>>2]=c;H[e+8>>2]=m;bb(e+8|0,e+12|0)}c=-1;if((a|0)==-1){break Z}}c=H[H[H[l+4>>2]+12>>2]+(a<<2)>>2]}d=d+1|0;if((h|0)!=(d|0)){continue}break}}ca=e+16|0;c=H[u+96>>2];a=H[u+100>>2]}D=D+1|0;if(D>>>0<(a-c|0)/12>>>0){continue}break}}ca=r+16|0;da:{if(b){a=H[B>>2];if(a){H[B+4>>2]=a;oa(a)}H[B>>2]=H[m>>2];H[B+4>>2]=H[m+4>>2];H[B+8>>2]=H[m+8>>2];L=H[m+84>>2];break da}a=H[m>>2];if(!a){break da}H[m+4>>2]=a;oa(a)}a=H[m+72>>2];if(a){oa(a)}a=H[m+48>>2];if(a){H[m+52>>2]=a;oa(a)}a=H[m+36>>2];if(a){H[m+40>>2]=a;oa(a)}a=H[m+24>>2];if(a){H[m+28>>2]=a;oa(a)}a=H[m+20>>2];H[m+20>>2]=0;if(a){cb(a)}ca=m+96|0;return L|0}function qg(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;i=b;a=0;b=0;a:{b:{switch(d-1|0){case 0:j=H[i+80>>2];h=I[c+24|0];c:{if((N(j,h)|0)!=(e|0)){break c}d=H[c+28>>2]!=1;b=I[c+84|0];if(!(d|!b)){qa(f,H[H[c>>2]>>2]+H[c+48>>2]|0,e);b=1;break c}if(h){a=pa(h);ra(a,0,h)}d:{if(!j){b=1;break d}if(!d){if(h){d=0;e=0;while(1){i=d+f|0;k=H[H[c>>2]>>2];m=H[c+48>>2];g=H[c+40>>2];b=Rj(g,H[c+44>>2],I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],0);n=b;b=b+m|0;qa(i,qa(a,b+k|0,g),h);d=d+h|0;b=1;e=e+1|0;if((j|0)!=(e|0)){continue}break}break d}if(b){b=1;h=H[c>>2];e=H[c+48>>2];f=H[c+40>>2];i=H[c+44>>2];if((j|0)!=1){g=j&-2;c=0;d=0;while(1){k=H[h>>2];m=Rj(f,i,c,0)+e|0;k=qa(a,k+m|0,f);m=H[h>>2];n=Rj(f,i,c|1,0)+e|0;qa(k,m+n|0,f);c=c+2|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}g=c}if(!(j&1)){break d}c=H[h>>2];d=Rj(g,0,f,i)+e|0;qa(a,c+d|0,f);break d}b=1;h=H[c>>2];e=H[c+48>>2];g=H[c+68>>2];f=H[c+40>>2];i=H[c+44>>2];c=0;if((j|0)!=1){k=j&-2;d=0;while(1){m=H[h>>2];n=c<<2;l=Rj(f,i,H[n+g>>2],0)+e|0;m=qa(a,m+l|0,f);l=H[h>>2];n=Rj(f,i,H[g+(n|4)>>2],0)+e|0;qa(m,l+n|0,f);c=c+2|0;d=d+2|0;if((k|0)!=(d|0)){continue}break}}if(!(j&1)){break d}d=H[h>>2];c=Rj(f,i,H[g+(c<<2)>>2],0)+e|0;qa(a,c+d|0,f);break d}b=0;if(!h){d=0;while(1){if(!ic(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],a)){break d}d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break d}d=0;e=0;while(1){if(!ic(c,I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],F[c+24|0],a)){break d}qa(d+f|0,a,h);d=d+h|0;e=e+1|0;b=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}}if(!a){break c}oa(a)}break a;case 2:n=I[c+24|0];l=n<<1;j=H[i+80>>2];e:{if((N(l,j)|0)!=(e|0)){break e}i=H[c+28>>2]!=3;d=I[c+84|0];if(!(i|!d)){qa(f,H[H[c>>2]>>2]+H[c+48>>2]|0,e);a=1;break e}f:{if(!n){e=0;break f}e=pa(l);ra(e,0,l)}g:{if(!j){a=1;break g}if(!i){o=H[c+68>>2];k=H[c>>2];b=H[c+48>>2];i=H[c+40>>2];m=H[c+44>>2];if(n){if(!d){c=0;d=0;while(1){a=1;g=H[k>>2];p=Rj(i,m,H[o+(d<<2)>>2],0)+b|0;qa((c<<1)+f|0,qa(e,g+p|0,i),l);c=c+n|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}break g}c=0;while(1){a=1;o=H[k>>2];p=Rj(g,h,i,m)+b|0;qa((c<<1)+f|0,qa(e,o+p|0,i),l);c=c+n|0;d=h;g=g+1|0;d=g?d:d+1|0;h=d;if((j|0)!=(g|0)|d){continue}break}break g}if(!d){a=1;c=0;if((j|0)!=1){f=j&-2;d=0;while(1){h=H[k>>2];g=c<<2;n=Rj(i,m,H[g+o>>2],0)+b|0;h=qa(e,h+n|0,i);n=H[k>>2];g=Rj(i,m,H[o+(g|4)>>2],0)+b|0;qa(h,g+n|0,i);c=c+2|0;d=d+2|0;if((f|0)!=(d|0)){continue}break}}if(!(j&1)){break g}d=H[k>>2];b=Rj(i,m,H[o+(c<<2)>>2],0)+b|0;qa(e,b+d|0,i);break g}n=j&1;a=1;if((j|0)!=1){j=j&-2;f=0;c=0;while(1){d=H[k>>2];l=Rj(g,h,i,m)+b|0;d=qa(e,d+l|0,i);l=H[k>>2];o=Rj(i,m,g|1,h)+b|0;qa(d,l+o|0,i);g=g+2|0;h=g>>>0<2?h+1|0:h;f=f+2|0;d=f>>>0<2?c+1|0:c;c=d;if((f|0)!=(j|0)|c){continue}break}}if(!n){break g}c=H[k>>2];b=Rj(g,h,i,m)+b|0;qa(e,b+c|0,i);break g}if(!n){d=0;while(1){if(!gc(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],e)){break g}d=d+1|0;a=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break g}d=0;while(1){if(!gc(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],e)){break g}qa((b<<1)+f|0,e,l);b=b+n|0;d=d+1|0;a=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}}if(!e){break e}oa(e)}b=a;break a;case 4:l=I[c+24|0];o=l<<2;j=H[i+80>>2];h:{if((N(o,j)|0)!=(e|0)){break h}i=H[c+28>>2]!=5;d=I[c+84|0];if(!(i|!d)){qa(f,H[H[c>>2]>>2]+H[c+48>>2]|0,e);b=1;break h}i:{if(!l){e=0;break i}e=pa(o);ra(e,0,o)}b=1;j:{if(!j){break j}if(!i){a=H[c+68>>2];m=H[c>>2];i=H[c+48>>2];k=H[c+40>>2];n=H[c+44>>2];if(l){if(!d){c=0;d=0;while(1){g=H[m>>2];p=Rj(k,n,H[a+(d<<2)>>2],0)+i|0;qa((c<<2)+f|0,qa(e,g+p|0,k),o);c=c+l|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}break j}c=0;while(1){d=H[m>>2];p=Rj(g,h,k,n)+i|0;qa((c<<2)+f|0,qa(e,d+p|0,k),o);c=c+l|0;g=g+1|0;a=g?h:h+1|0;h=a;if((j|0)!=(g|0)|h){continue}break}break j}if(!d){c=0;if((j|0)!=1){f=j&-2;d=0;while(1){h=H[m>>2];g=c<<2;l=Rj(k,n,H[g+a>>2],0)+i|0;h=qa(e,h+l|0,k);l=H[m>>2];g=Rj(k,n,H[a+(g|4)>>2],0)+i|0;qa(h,g+l|0,k);c=c+2|0;d=d+2|0;if((f|0)!=(d|0)){continue}break}}if(!(j&1)){break j}d=H[m>>2];a=Rj(k,n,H[a+(c<<2)>>2],0)+i|0;qa(e,a+d|0,k);break j}l=j&1;if((j|0)!=1){j=j&-2;f=0;c=0;while(1){a=H[m>>2];d=Rj(g,h,k,n)+i|0;a=qa(e,a+d|0,k);d=H[m>>2];o=Rj(k,n,g|1,h)+i|0;qa(a,d+o|0,k);d=h;g=g+2|0;h=g>>>0<2?d+1|0:d;f=f+2|0;a=f>>>0<2?c+1|0:c;c=a;if((f|0)!=(j|0)|c){continue}break}}if(!l){break j}a=H[m>>2];c=Rj(g,h,k,n)+i|0;qa(e,a+c|0,k);break j}b=0;if(!l){d=0;while(1){if(!ec(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],e)){break j}d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break j}d=0;while(1){if(!ec(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],e)){break j}qa((a<<2)+f|0,e,o);a=a+l|0;d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}}if(!e){break h}oa(e)}break a;case 1:j=H[i+80>>2];h=I[c+24|0];k:{if((N(j,h)|0)!=(e|0)){break k}d=H[c+28>>2]!=2;b=I[c+84|0];if(!(d|!b)){qa(f,H[H[c>>2]>>2]+H[c+48>>2]|0,e);b=1;break k}if(h){a=pa(h);ra(a,0,h)}l:{if(!j){b=1;break l}if(!d){if(h){d=0;e=0;while(1){i=d+f|0;k=H[H[c>>2]>>2];m=H[c+48>>2];g=H[c+40>>2];b=Rj(g,H[c+44>>2],I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],0);n=b;b=b+m|0;qa(i,qa(a,b+k|0,g),h);d=d+h|0;b=1;e=e+1|0;if((j|0)!=(e|0)){continue}break}break l}if(b){b=1;h=H[c>>2];e=H[c+48>>2];f=H[c+40>>2];i=H[c+44>>2];if((j|0)!=1){g=j&-2;c=0;d=0;while(1){k=H[h>>2];m=Rj(f,i,c,0)+e|0;k=qa(a,k+m|0,f);m=H[h>>2];n=Rj(f,i,c|1,0)+e|0;qa(k,m+n|0,f);c=c+2|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}g=c}if(!(j&1)){break l}c=H[h>>2];d=Rj(g,0,f,i)+e|0;qa(a,c+d|0,f);break l}b=1;h=H[c>>2];e=H[c+48>>2];g=H[c+68>>2];f=H[c+40>>2];i=H[c+44>>2];c=0;if((j|0)!=1){k=j&-2;d=0;while(1){m=H[h>>2];n=c<<2;l=Rj(f,i,H[n+g>>2],0)+e|0;m=qa(a,m+l|0,f);l=H[h>>2];n=Rj(f,i,H[g+(n|4)>>2],0)+e|0;qa(m,l+n|0,f);c=c+2|0;d=d+2|0;if((k|0)!=(d|0)){continue}break}}if(!(j&1)){break l}d=H[h>>2];c=Rj(f,i,H[g+(c<<2)>>2],0)+e|0;qa(a,c+d|0,f);break l}b=0;if(!h){d=0;while(1){if(!hc(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],a)){break l}d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break l}d=0;e=0;while(1){if(!hc(c,I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],F[c+24|0],a)){break l}qa(d+f|0,a,h);d=d+h|0;e=e+1|0;b=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}}if(!a){break k}oa(a)}break a;case 3:n=I[c+24|0];l=n<<1;j=H[i+80>>2];m:{if((N(l,j)|0)!=(e|0)){break m}i=H[c+28>>2]!=4;d=I[c+84|0];if(!(i|!d)){qa(f,H[H[c>>2]>>2]+H[c+48>>2]|0,e);a=1;break m}n:{if(!n){e=0;break n}e=pa(l);ra(e,0,l)}o:{if(!j){a=1;break o}if(!i){o=H[c+68>>2];k=H[c>>2];b=H[c+48>>2];i=H[c+40>>2];m=H[c+44>>2];if(n){if(!d){c=0;d=0;while(1){a=1;g=H[k>>2];p=Rj(i,m,H[o+(d<<2)>>2],0)+b|0;qa((c<<1)+f|0,qa(e,g+p|0,i),l);c=c+n|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}break o}c=0;while(1){a=1;o=H[k>>2];p=Rj(g,h,i,m)+b|0;qa((c<<1)+f|0,qa(e,o+p|0,i),l);c=c+n|0;d=h;g=g+1|0;d=g?d:d+1|0;h=d;if((j|0)!=(g|0)|d){continue}break}break o}if(!d){a=1;c=0;if((j|0)!=1){f=j&-2;d=0;while(1){h=H[k>>2];g=c<<2;n=Rj(i,m,H[g+o>>2],0)+b|0;h=qa(e,h+n|0,i);n=H[k>>2];g=Rj(i,m,H[o+(g|4)>>2],0)+b|0;qa(h,g+n|0,i);c=c+2|0;d=d+2|0;if((f|0)!=(d|0)){continue}break}}if(!(j&1)){break o}d=H[k>>2];b=Rj(i,m,H[o+(c<<2)>>2],0)+b|0;qa(e,b+d|0,i);break o}n=j&1;a=1;if((j|0)!=1){j=j&-2;f=0;c=0;while(1){d=H[k>>2];l=Rj(g,h,i,m)+b|0;d=qa(e,d+l|0,i);l=H[k>>2];o=Rj(i,m,g|1,h)+b|0;qa(d,l+o|0,i);g=g+2|0;h=g>>>0<2?h+1|0:h;f=f+2|0;d=f>>>0<2?c+1|0:c;c=d;if((f|0)!=(j|0)|c){continue}break}}if(!n){break o}c=H[k>>2];b=Rj(g,h,i,m)+b|0;qa(e,b+c|0,i);break o}if(!n){d=0;while(1){if(!fc(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],e)){break o}d=d+1|0;a=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break o}d=0;while(1){if(!fc(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],e)){break o}qa((b<<1)+f|0,e,l);b=b+n|0;d=d+1|0;a=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}}if(!e){break m}oa(e)}b=a;break a;case 5:l=I[c+24|0];o=l<<2;j=H[i+80>>2];p:{if((N(o,j)|0)!=(e|0)){break p}i=H[c+28>>2]!=6;d=I[c+84|0];if(!(i|!d)){qa(f,H[H[c>>2]>>2]+H[c+48>>2]|0,e);b=1;break p}q:{if(!l){e=0;break q}e=pa(o);ra(e,0,o)}b=1;r:{if(!j){break r}if(!i){a=H[c+68>>2];m=H[c>>2];i=H[c+48>>2];k=H[c+40>>2];n=H[c+44>>2];if(l){if(!d){c=0;d=0;while(1){g=H[m>>2];p=Rj(k,n,H[a+(d<<2)>>2],0)+i|0;qa((c<<2)+f|0,qa(e,g+p|0,k),o);c=c+l|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}break r}c=0;while(1){d=H[m>>2];p=Rj(g,h,k,n)+i|0;qa((c<<2)+f|0,qa(e,d+p|0,k),o);c=c+l|0;g=g+1|0;a=g?h:h+1|0;h=a;if((j|0)!=(g|0)|h){continue}break}break r}if(!d){c=0;if((j|0)!=1){f=j&-2;d=0;while(1){h=H[m>>2];g=c<<2;l=Rj(k,n,H[g+a>>2],0)+i|0;h=qa(e,h+l|0,k);l=H[m>>2];g=Rj(k,n,H[a+(g|4)>>2],0)+i|0;qa(h,g+l|0,k);c=c+2|0;d=d+2|0;if((f|0)!=(d|0)){continue}break}}if(!(j&1)){break r}d=H[m>>2];a=Rj(k,n,H[a+(c<<2)>>2],0)+i|0;qa(e,a+d|0,k);break r}l=j&1;if((j|0)!=1){j=j&-2;f=0;c=0;while(1){a=H[m>>2];d=Rj(g,h,k,n)+i|0;a=qa(e,a+d|0,k);d=H[m>>2];o=Rj(k,n,g|1,h)+i|0;qa(a,d+o|0,k);d=h;g=g+2|0;h=g>>>0<2?d+1|0:d;f=f+2|0;a=f>>>0<2?c+1|0:c;c=a;if((f|0)!=(j|0)|c){continue}break}}if(!l){break r}a=H[m>>2];c=Rj(g,h,k,n)+i|0;qa(e,a+c|0,k);break r}b=0;if(!l){d=0;while(1){if(!dc(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],e)){break r}d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break r}d=0;while(1){if(!dc(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],e)){break r}qa((a<<2)+f|0,e,o);a=a+l|0;d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}}if(!e){break p}oa(e)}break a;case 8:p=I[c+24|0];q=p<<2;k=H[i+80>>2];s:{if((N(q,k)|0)!=(e|0)){break s}i=H[c+28>>2];t:{if(!p){break t}a=pa(q);d=a;m=q-4|0;l=(m>>>2|0)+1&7;if(l){e=0;while(1){H[d>>2]=-1073741824;d=d+4|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}if(m>>>0<28){break t}e=(p<<2)+a|0;while(1){H[d+24>>2]=-1073741824;H[d+28>>2]=-1073741824;H[d+16>>2]=-1073741824;H[d+20>>2]=-1073741824;H[d+8>>2]=-1073741824;H[d+12>>2]=-1073741824;H[d>>2]=-1073741824;H[d+4>>2]=-1073741824;d=d+32|0;if((e|0)!=(d|0)){continue}break}}u:{if(!k){b=1;break u}if((i|0)==9){r=H[c+68>>2];l=H[c>>2];i=H[c+48>>2];s=I[c+84|0];m=H[c+44>>2];c=H[c+40>>2];o=c;if(p){e=0;d=0;while(1){h=(e<<2)+f|0;g=H[l>>2];b=Rj(c,m,s?d:H[r+(d<<2)>>2],0)+i|0;qa(h,qa(a,b+g|0,o),q);e=e+p|0;b=1;d=d+1|0;if((k|0)!=(d|0)){continue}break}break u}if(!s){b=1;d=0;if((k|0)!=1){f=k&-2;e=0;while(1){h=H[l>>2];g=d<<2;j=Rj(c,m,H[g+r>>2],0)+i|0;h=qa(a,h+j|0,o);j=H[l>>2];g=Rj(c,m,H[r+(g|4)>>2],0)+i|0;qa(h,j+g|0,o);d=d+2|0;e=e+2|0;if((f|0)!=(e|0)){continue}break}}if(!(k&1)){break u}e=H[l>>2];c=Rj(c,m,H[r+(d<<2)>>2],0)+i|0;qa(a,c+e|0,o);break u}f=k&1;b=1;if((k|0)!=1){k=k&-2;while(1){d=H[l>>2];e=Rj(g,h,c,m)+i|0;d=qa(a,d+e|0,o);e=H[l>>2];p=Rj(c,m,g|1,h)+i|0;qa(d,e+p|0,o);g=g+2|0;h=g>>>0<2?h+1|0:h;d=j;e=n+2|0;d=e>>>0<2?d+1|0:d;n=e;j=d;if((e|0)!=(k|0)|d){continue}break}}if(!f){break u}d=H[l>>2];c=Rj(g,h,c,m)+i|0;qa(a,c+d|0,o);break u}if(!p){d=0;while(1){if(!Va(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],a)){break u}d=d+1|0;b=k>>>0<=d>>>0;if((d|0)!=(k|0)){continue}break}break u}e=0;d=0;while(1){if(!Va(c,I[c+84|0]?d:H[H[c+68>>2]+(d<<2)>>2],F[c+24|0],a)){break u}qa((e<<2)+f|0,a,q);e=e+p|0;d=d+1|0;b=k>>>0<=d>>>0;if((d|0)!=(k|0)){continue}break}}if(!a){break s}oa(a)}a=b;break;default:break b}}b=a}return b|0}function ef(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;i=ca-48|0;ca=i;a:{b:{if((c|0)!=1){break b}c=H[a+4>>2];g=H[a+12>>2];H[i+40>>2]=0;a=i;H[a+32>>2]=0;H[a+36>>2]=0;H[a+24>>2]=0;H[a+28>>2]=0;H[a+16>>2]=0;H[a+20>>2]=0;H[a+8>>2]=0;H[a+12>>2]=0;e=a+8|0;c:{if((b|0)==-2){break c}l=H[H[H[c+4>>2]+8>>2]+(g<<2)>>2];if((ea[H[H[c>>2]+8>>2]](c)|0)==1){a=J[c+36>>1];j=(a<<8|a>>>8)&65535;a=0;h=ca-32|0;ca=h;d=H[H[H[c+4>>2]+8>>2]+(g<<2)>>2];d:{if((ea[H[H[c>>2]+8>>2]](c)|0)!=1|b-1>>>0>5){break d}k=ea[H[H[c>>2]+36>>2]](c)|0;f=ea[H[H[c>>2]+44>>2]](c,g)|0;if(!k|!f){break d}a=ea[H[H[c>>2]+40>>2]](c,g)|0;if(a){c=H[c+44>>2];H[h+12>>2]=a;H[h+8>>2]=c;H[h+20>>2]=f;H[h+16>>2]=f+12;c=h+8|0;a=0;e:{f:{switch(b-1|0){case 0:a=pa(60);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a>>2]=2564;break e;case 1:a=pa(60);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a>>2]=3328;break e;case 3:a=pa(112);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a+60>>2]=0;H[a+64>>2]=0;H[a>>2]=3564;H[a+68>>2]=0;H[a+72>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+84>>2]=0;H[a+88>>2]=0;H[a+92>>2]=0;H[a+96>>2]=0;H[a+100>>2]=0;H[a+104>>2]=0;H[a+108>>2]=0;break e;case 2:a=pa(92);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a+60>>2]=0;H[a+64>>2]=0;H[a>>2]=3812;H[a+68>>2]=0;H[a+72>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+84>>2]=0;H[a+88>>2]=j;break e;case 4:a=pa(104);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a+84>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+60>>2]=0;H[a+64>>2]=0;H[a>>2]=4040;b=H[c+4>>2];H[a+88>>2]=H[c>>2];H[a+92>>2]=b;b=H[c+12>>2];H[a+96>>2]=H[c+8>>2];H[a+100>>2]=b;break e;case 5:break f;default:break e}}a=pa(128);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;g:{b=H[e+28>>2];d=H[e+24>>2];if((b|0)!=(d|0)){d=b-d|0;if((d|0)<0){break a}b=pa(d);H[a+36>>2]=b;H[a+32>>2]=b;H[a+40>>2]=(d&-4)+b;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}}H[a+36>>2]=b}H[a>>2]=3216;b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;b=a- -64|0;H[b>>2]=0;H[b+4>>2]=0;H[a+60>>2]=4904;H[a>>2]=4276;b=H[c+4>>2];H[a+72>>2]=H[c>>2];H[a+76>>2]=b;b=H[c+12>>2];H[a+80>>2]=H[c+8>>2];H[a+84>>2]=b;H[a+104>>2]=1065353216;H[a+108>>2]=-1;H[a+96>>2]=-1;H[a+100>>2]=-1;H[a+88>>2]=1;H[a+92>>2]=-1;H[a+60>>2]=4512;H[a+112>>2]=0;H[a+116>>2]=0;F[a+117|0]=0;F[a+118|0]=0;F[a+119|0]=0;F[a+120|0]=0;F[a+121|0]=0;F[a+122|0]=0;F[a+123|0]=0;F[a+124|0]=0;break g}}break d}a=H[c+44>>2];H[h+12>>2]=k;H[h+8>>2]=a;H[h+20>>2]=f;H[h+16>>2]=f+12;c=h+8|0;a=0;h:{i:{switch(b-1|0){case 0:a=pa(60);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a>>2]=4932;break h;case 1:a=pa(60);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a>>2]=5356;break h;case 3:a=pa(112);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a+60>>2]=0;H[a+64>>2]=0;H[a>>2]=5580;H[a+68>>2]=0;H[a+72>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+84>>2]=0;H[a+88>>2]=0;H[a+92>>2]=0;H[a+96>>2]=0;H[a+100>>2]=0;H[a+104>>2]=0;H[a+108>>2]=0;break h;case 2:a=pa(92);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a+60>>2]=0;H[a+64>>2]=0;H[a>>2]=5816;H[a+68>>2]=0;H[a+72>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+84>>2]=0;H[a+88>>2]=j;break h;case 4:a=pa(104);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){g=f-d|0;if((g|0)<0){break a}b=pa(g);H[a+32>>2]=b;H[a+40>>2]=(g&-4)+b;while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}H[a+36>>2]=b}b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;H[a+84>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+60>>2]=0;H[a+64>>2]=0;H[a>>2]=6032;b=H[c+4>>2];H[a+88>>2]=H[c>>2];H[a+92>>2]=b;b=H[c+12>>2];H[a+96>>2]=H[c+8>>2];H[a+100>>2]=b;break h;case 5:break i;default:break h}}a=pa(128);H[a+4>>2]=d;H[a>>2]=3272;b=H[e+4>>2];H[a+8>>2]=H[e>>2];H[a+12>>2]=b;b=H[e+12>>2];H[a+16>>2]=H[e+8>>2];H[a+20>>2]=b;b=H[e+20>>2];H[a+24>>2]=H[e+16>>2];H[a+28>>2]=b;H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;j:{b=H[e+28>>2];d=H[e+24>>2];if((b|0)!=(d|0)){d=b-d|0;if((d|0)<0){break a}b=pa(d);H[a+36>>2]=b;H[a+32>>2]=b;H[a+40>>2]=(d&-4)+b;d=H[e+24>>2];f=H[e+28>>2];if((d|0)!=(f|0)){while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((f|0)!=(d|0)){continue}break}}H[a+36>>2]=b}H[a>>2]=5300;b=H[c+4>>2];H[a+44>>2]=H[c>>2];H[a+48>>2]=b;b=H[c+12>>2];H[a+52>>2]=H[c+8>>2];H[a+56>>2]=b;b=a- -64|0;H[b>>2]=0;H[b+4>>2]=0;H[a+60>>2]=6840;H[a>>2]=6256;b=H[c+4>>2];H[a+72>>2]=H[c>>2];H[a+76>>2]=b;b=H[c+12>>2];H[a+80>>2]=H[c+8>>2];H[a+84>>2]=b;H[a+104>>2]=1065353216;H[a+108>>2]=-1;H[a+96>>2]=-1;H[a+100>>2]=-1;H[a+88>>2]=1;H[a+92>>2]=-1;H[a+60>>2]=6476;H[a+112>>2]=0;H[a+116>>2]=0;F[a+117|0]=0;F[a+118|0]=0;F[a+119|0]=0;F[a+120|0]=0;F[a+121|0]=0;F[a+122|0]=0;F[a+123|0]=0;F[a+124|0]=0;break j}}}ca=h+32|0;d=a;if(a){break c}}d=pa(44);H[d+4>>2]=l;H[d>>2]=3272;a=H[e+4>>2];H[d+8>>2]=H[e>>2];H[d+12>>2]=a;a=H[e+12>>2];H[d+16>>2]=H[e+8>>2];H[d+20>>2]=a;a=H[e+20>>2];H[d+24>>2]=H[e+16>>2];H[d+28>>2]=a;H[d+40>>2]=0;H[d+32>>2]=0;H[d+36>>2]=0;c=H[e+24>>2];a=H[e+28>>2];if((c|0)!=(a|0)){b=a-c|0;if((b|0)<0){break a}e=pa(b);H[d+32>>2]=e;H[d+40>>2]=(b&-4)+e;while(1){H[e>>2]=H[c>>2];e=e+4|0;c=c+4|0;if((a|0)!=(c|0)){continue}break}H[d+36>>2]=e}H[d>>2]=6868;break c}e=d;a=H[i+32>>2];if(!a){break b}H[i+36>>2]=a;oa(a)}ca=i+48|0;return e|0}sa();v()}function Ec(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;l=ca-16|0;ca=l;a:{b:{c:{d:{e:{f:{g:{h:{i:{if(a>>>0<=244){g=H[4298];h=a>>>0<11?16:a+11&-8;c=h>>>3|0;b=g>>>c|0;if(b&3){c=c+((b^-1)&1)|0;a=c<<3;b=a+17232|0;d=H[a+17240>>2];a=H[d+8>>2];j:{if((b|0)==(a|0)){m=17192,n=Vj(c)&g,H[m>>2]=n;break j}H[a+12>>2]=b;H[b+8>>2]=a}a=d+8|0;b=c<<3;H[d+4>>2]=b|3;b=b+d|0;H[b+4>>2]=H[b+4>>2]|1;break a}k=H[4300];if(k>>>0>=h>>>0){break i}if(b){a=2<>2];a=H[e+8>>2];k:{if((b|0)==(a|0)){g=Vj(d)&g;H[4298]=g;break k}H[a+12>>2]=b;H[b+8>>2]=a}H[e+4>>2]=h|3;c=e+h|0;a=d<<3;d=a-h|0;H[c+4>>2]=d|1;H[a+e>>2]=d;if(k){b=(k&-8)+17232|0;f=H[4303];a=1<<(k>>>3);l:{if(!(a&g)){H[4298]=a|g;a=b;break l}a=H[b+8>>2]}H[b+8>>2]=f;H[a+12>>2]=f;H[f+12>>2]=b;H[f+8>>2]=a}a=e+8|0;H[4303]=c;H[4300]=d;break a}j=H[4299];if(!j){break i}c=H[(Qj(0-j&j)<<2)+17496>>2];f=(H[c+4>>2]&-8)-h|0;b=c;while(1){m:{a=H[b+16>>2];if(!a){a=H[b+20>>2];if(!a){break m}}b=(H[a+4>>2]&-8)-h|0;d=b>>>0>>0;f=d?b:f;c=d?a:c;b=a;continue}break}i=H[c+24>>2];d=H[c+12>>2];if((d|0)!=(c|0)){a=H[c+8>>2];H[a+12>>2]=d;H[d+8>>2]=a;break b}b=c+20|0;a=H[b>>2];if(!a){a=H[c+16>>2];if(!a){break h}b=c+16|0}while(1){e=b;d=a;b=a+20|0;a=H[b>>2];if(a){continue}b=d+16|0;a=H[d+16>>2];if(a){continue}break}H[e>>2]=0;break b}h=-1;if(a>>>0>4294967231){break i}a=a+11|0;h=a&-8;j=H[4299];if(!j){break i}f=0-h|0;g=0;n:{if(h>>>0<256){break n}g=31;if(h>>>0>16777215){break n}a=Q(a>>>8|0);g=((h>>>38-a&1)-(a<<1)|0)+62|0}b=H[(g<<2)+17496>>2];o:{p:{q:{if(!b){a=0;break q}a=0;c=h<<((g|0)!=31?25-(g>>>1|0)|0:0);while(1){r:{e=(H[b+4>>2]&-8)-h|0;if(e>>>0>=f>>>0){break r}d=b;f=e;if(e){break r}f=0;a=b;break p}e=H[b+20>>2];b=H[((c>>>29&4)+b|0)+16>>2];a=e?(e|0)==(b|0)?a:e:a;c=c<<1;if(b){continue}break}}if(!(a|d)){d=0;a=2<>2]}if(!a){break o}}while(1){b=(H[a+4>>2]&-8)-h|0;c=b>>>0>>0;f=c?b:f;d=c?a:d;b=H[a+16>>2];if(b){a=b}else{a=H[a+20>>2]}if(a){continue}break}}if(!d|H[4300]-h>>>0<=f>>>0){break i}g=H[d+24>>2];c=H[d+12>>2];if((d|0)!=(c|0)){a=H[d+8>>2];H[a+12>>2]=c;H[c+8>>2]=a;break c}b=d+20|0;a=H[b>>2];if(!a){a=H[d+16>>2];if(!a){break g}b=d+16|0}while(1){e=b;c=a;b=a+20|0;a=H[b>>2];if(a){continue}b=c+16|0;a=H[c+16>>2];if(a){continue}break}H[e>>2]=0;break c}a=H[4300];if(a>>>0>=h>>>0){d=H[4303];b=a-h|0;s:{if(b>>>0>=16){c=d+h|0;H[c+4>>2]=b|1;H[a+d>>2]=b;H[d+4>>2]=h|3;break s}H[d+4>>2]=a|3;a=a+d|0;H[a+4>>2]=H[a+4>>2]|1;c=0;b=0}H[4300]=b;H[4303]=c;a=d+8|0;break a}i=H[4301];if(i>>>0>h>>>0){b=i-h|0;H[4301]=b;c=H[4304];a=c+h|0;H[4304]=a;H[a+4>>2]=b|1;H[c+4>>2]=h|3;a=c+8|0;break a}a=0;j=h+47|0;if(H[4416]){c=H[4418]}else{H[4419]=-1;H[4420]=-1;H[4417]=4096;H[4418]=4096;H[4416]=l+12&-16^1431655768;H[4421]=0;H[4409]=0;c=4096}e=j+c|0;f=0-c|0;b=e&f;if(b>>>0<=h>>>0){break a}d=H[4408];if(d){c=H[4406];g=c+b|0;if(d>>>0>>0|c>>>0>=g>>>0){break a}}t:{if(!(I[17636]&4)){u:{v:{w:{x:{d=H[4304];if(d){a=17640;while(1){c=H[a>>2];if(c>>>0<=d>>>0&d>>>0>2]>>>0){break x}a=H[a+8>>2];if(a){continue}break}}c=zb(0);if((c|0)==-1){break u}g=b;d=H[4417];a=d-1|0;if(a&c){g=(b-c|0)+(a+c&0-d)|0}if(g>>>0<=h>>>0){break u}d=H[4408];if(d){a=H[4406];f=a+g|0;if(d>>>0>>0|a>>>0>=f>>>0){break u}}a=zb(g);if((c|0)!=(a|0)){break w}break t}g=f&e-i;c=zb(g);if((c|0)==(H[a>>2]+H[a+4>>2]|0)){break v}a=c}if((a|0)==-1){break u}if(h+48>>>0<=g>>>0){c=a;break t}c=H[4418];c=c+(j-g|0)&0-c;if((zb(c)|0)==-1){break u}g=c+g|0;c=a;break t}if((c|0)!=-1){break t}}H[4409]=H[4409]|4}c=zb(b);a=zb(0);if((c|0)==-1|(a|0)==-1|a>>>0<=c>>>0){break d}g=a-c|0;if(g>>>0<=h+40>>>0){break d}}a=H[4406]+g|0;H[4406]=a;if(a>>>0>K[4407]){H[4407]=a}y:{e=H[4304];if(e){a=17640;while(1){d=H[a>>2];b=H[a+4>>2];if((d+b|0)==(c|0)){break y}a=H[a+8>>2];if(a){continue}break}break f}a=H[4302];if(!(a>>>0<=c>>>0?a:0)){H[4302]=c}a=0;H[4411]=g;H[4410]=c;H[4306]=-1;H[4307]=H[4416];H[4413]=0;while(1){d=a<<3;b=d+17232|0;H[d+17240>>2]=b;H[d+17244>>2]=b;a=a+1|0;if((a|0)!=32){continue}break}d=g-40|0;a=c+8&7?-8-c&7:0;b=d-a|0;H[4301]=b;a=a+c|0;H[4304]=a;H[a+4>>2]=b|1;H[(c+d|0)+4>>2]=40;H[4305]=H[4420];break e}if(I[a+12|0]&8|d>>>0>e>>>0|c>>>0<=e>>>0){break f}H[a+4>>2]=b+g;a=e+8&7?-8-e&7:0;c=a+e|0;H[4304]=c;b=H[4301]+g|0;a=b-a|0;H[4301]=a;H[c+4>>2]=a|1;H[(b+e|0)+4>>2]=40;H[4305]=H[4420];break e}d=0;break b}c=0;break c}if(K[4302]>c>>>0){H[4302]=c}b=c+g|0;a=17640;z:{A:{B:{C:{D:{E:{while(1){if((b|0)!=H[a>>2]){a=H[a+8>>2];if(a){continue}break E}break}if(!(I[a+12|0]&8)){break D}}a=17640;while(1){b=H[a>>2];if(b>>>0<=e>>>0){f=b+H[a+4>>2]|0;if(f>>>0>e>>>0){break C}}a=H[a+8>>2];continue}}H[a>>2]=c;H[a+4>>2]=H[a+4>>2]+g;j=(c+8&7?-8-c&7:0)+c|0;H[j+4>>2]=h|3;g=b+(b+8&7?-8-b&7:0)|0;i=h+j|0;a=g-i|0;if((e|0)==(g|0)){H[4304]=i;a=H[4301]+a|0;H[4301]=a;H[i+4>>2]=a|1;break A}if(H[4303]==(g|0)){H[4303]=i;a=H[4300]+a|0;H[4300]=a;H[i+4>>2]=a|1;H[a+i>>2]=a;break A}f=H[g+4>>2];if((f&3)==1){e=f&-8;F:{if(f>>>0<=255){d=H[g+8>>2];b=f>>>3|0;c=H[g+12>>2];if((c|0)==(d|0)){m=17192,n=H[4298]&Vj(b),H[m>>2]=n;break F}H[d+12>>2]=c;H[c+8>>2]=d;break F}h=H[g+24>>2];c=H[g+12>>2];G:{if((g|0)!=(c|0)){b=H[g+8>>2];H[b+12>>2]=c;H[c+8>>2]=b;break G}H:{f=g+20|0;b=H[f>>2];if(b){break H}f=g+16|0;b=H[f>>2];if(b){break H}c=0;break G}while(1){d=f;c=b;f=c+20|0;b=H[f>>2];if(b){continue}f=c+16|0;b=H[c+16>>2];if(b){continue}break}H[d>>2]=0}if(!h){break F}d=H[g+28>>2];b=(d<<2)+17496|0;I:{if(H[b>>2]==(g|0)){H[b>>2]=c;if(c){break I}m=17196,n=H[4299]&Vj(d),H[m>>2]=n;break F}H[h+(H[h+16>>2]==(g|0)?16:20)>>2]=c;if(!c){break F}}H[c+24>>2]=h;b=H[g+16>>2];if(b){H[c+16>>2]=b;H[b+24>>2]=c}b=H[g+20>>2];if(!b){break F}H[c+20>>2]=b;H[b+24>>2]=c}g=e+g|0;f=H[g+4>>2];a=a+e|0}H[g+4>>2]=f&-2;H[i+4>>2]=a|1;H[a+i>>2]=a;if(a>>>0<=255){b=(a&-8)+17232|0;c=H[4298];a=1<<(a>>>3);J:{if(!(c&a)){H[4298]=a|c;a=b;break J}a=H[b+8>>2]}H[b+8>>2]=i;H[a+12>>2]=i;H[i+12>>2]=b;H[i+8>>2]=a;break A}f=31;if(a>>>0<=16777215){b=Q(a>>>8|0);f=((a>>>38-b&1)-(b<<1)|0)+62|0}H[i+28>>2]=f;H[i+16>>2]=0;H[i+20>>2]=0;b=(f<<2)+17496|0;d=H[4299];c=1<>2]=i;break K}f=a<<((f|0)!=31?25-(f>>>1|0)|0:0);c=H[b>>2];while(1){b=c;if((H[c+4>>2]&-8)==(a|0)){break B}c=f>>>29|0;f=f<<1;d=(c&4)+b|0;c=H[d+16>>2];if(c){continue}break}H[d+16>>2]=i}H[i+24>>2]=b;H[i+12>>2]=i;H[i+8>>2]=i;break A}d=g-40|0;a=c+8&7?-8-c&7:0;b=d-a|0;H[4301]=b;a=a+c|0;H[4304]=a;H[a+4>>2]=b|1;H[(c+d|0)+4>>2]=40;H[4305]=H[4420];a=(f+(f-39&7?39-f&7:0)|0)-47|0;d=a>>>0>>0?e:a;H[d+4>>2]=27;a=H[4413];H[d+16>>2]=H[4412];H[d+20>>2]=a;a=H[4411];H[d+8>>2]=H[4410];H[d+12>>2]=a;H[4412]=d+8;H[4411]=g;H[4410]=c;H[4413]=0;a=d+24|0;while(1){H[a+4>>2]=7;b=a+8|0;a=a+4|0;if(b>>>0>>0){continue}break}if((d|0)==(e|0)){break e}H[d+4>>2]=H[d+4>>2]&-2;f=d-e|0;H[e+4>>2]=f|1;H[d>>2]=f;if(f>>>0<=255){b=(f&-8)+17232|0;c=H[4298];a=1<<(f>>>3);L:{if(!(c&a)){H[4298]=a|c;a=b;break L}a=H[b+8>>2]}H[b+8>>2]=e;H[a+12>>2]=e;H[e+12>>2]=b;H[e+8>>2]=a;break e}a=31;if(f>>>0<=16777215){a=Q(f>>>8|0);a=((f>>>38-a&1)-(a<<1)|0)+62|0}H[e+28>>2]=a;H[e+16>>2]=0;H[e+20>>2]=0;b=(a<<2)+17496|0;d=H[4299];c=1<>2]=e;break M}a=f<<((a|0)!=31?25-(a>>>1|0)|0:0);d=H[b>>2];while(1){b=d;if((f|0)==(H[b+4>>2]&-8)){break z}c=a>>>29|0;a=a<<1;c=(c&4)+b|0;d=H[c+16>>2];if(d){continue}break}H[c+16>>2]=e}H[e+24>>2]=b;H[e+12>>2]=e;H[e+8>>2]=e;break e}a=H[b+8>>2];H[a+12>>2]=i;H[b+8>>2]=i;H[i+24>>2]=0;H[i+12>>2]=b;H[i+8>>2]=a}a=j+8|0;break a}a=H[b+8>>2];H[a+12>>2]=e;H[b+8>>2]=e;H[e+24>>2]=0;H[e+12>>2]=b;H[e+8>>2]=a}a=H[4301];if(a>>>0<=h>>>0){break d}b=a-h|0;H[4301]=b;c=H[4304];a=c+h|0;H[4304]=a;H[a+4>>2]=b|1;H[c+4>>2]=h|3;a=c+8|0;break a}H[3992]=48;a=0;break a}N:{if(!g){break N}b=H[d+28>>2];a=(b<<2)+17496|0;O:{if(H[a>>2]==(d|0)){H[a>>2]=c;if(c){break O}j=Vj(b)&j;H[4299]=j;break N}H[g+(H[g+16>>2]==(d|0)?16:20)>>2]=c;if(!c){break N}}H[c+24>>2]=g;a=H[d+16>>2];if(a){H[c+16>>2]=a;H[a+24>>2]=c}a=H[d+20>>2];if(!a){break N}H[c+20>>2]=a;H[a+24>>2]=c}P:{if(f>>>0<=15){a=f+h|0;H[d+4>>2]=a|3;a=a+d|0;H[a+4>>2]=H[a+4>>2]|1;break P}H[d+4>>2]=h|3;e=d+h|0;H[e+4>>2]=f|1;H[e+f>>2]=f;if(f>>>0<=255){b=(f&-8)+17232|0;c=H[4298];a=1<<(f>>>3);Q:{if(!(c&a)){H[4298]=a|c;a=b;break Q}a=H[b+8>>2]}H[b+8>>2]=e;H[a+12>>2]=e;H[e+12>>2]=b;H[e+8>>2]=a;break P}a=31;if(f>>>0<=16777215){a=Q(f>>>8|0);a=((f>>>38-a&1)-(a<<1)|0)+62|0}H[e+28>>2]=a;H[e+16>>2]=0;H[e+20>>2]=0;b=(a<<2)+17496|0;R:{c=1<>2]=e;break S}a=f<<((a|0)!=31?25-(a>>>1|0)|0:0);h=H[b>>2];while(1){b=h;if((H[b+4>>2]&-8)==(f|0)){break R}c=a>>>29|0;a=a<<1;c=(c&4)+b|0;h=H[c+16>>2];if(h){continue}break}H[c+16>>2]=e}H[e+24>>2]=b;H[e+12>>2]=e;H[e+8>>2]=e;break P}a=H[b+8>>2];H[a+12>>2]=e;H[b+8>>2]=e;H[e+24>>2]=0;H[e+12>>2]=b;H[e+8>>2]=a}a=d+8|0;break a}T:{if(!i){break T}b=H[c+28>>2];a=(b<<2)+17496|0;U:{if(H[a>>2]==(c|0)){H[a>>2]=d;if(d){break U}m=17196,n=Vj(b)&j,H[m>>2]=n;break T}H[i+(H[i+16>>2]==(c|0)?16:20)>>2]=d;if(!d){break T}}H[d+24>>2]=i;a=H[c+16>>2];if(a){H[d+16>>2]=a;H[a+24>>2]=d}a=H[c+20>>2];if(!a){break T}H[d+20>>2]=a;H[a+24>>2]=d}V:{if(f>>>0<=15){a=f+h|0;H[c+4>>2]=a|3;a=a+c|0;H[a+4>>2]=H[a+4>>2]|1;break V}H[c+4>>2]=h|3;d=c+h|0;H[d+4>>2]=f|1;H[d+f>>2]=f;if(k){b=(k&-8)+17232|0;e=H[4303];a=1<<(k>>>3);W:{if(!(a&g)){H[4298]=a|g;a=b;break W}a=H[b+8>>2]}H[b+8>>2]=e;H[a+12>>2]=e;H[e+12>>2]=b;H[e+8>>2]=a}H[4303]=d;H[4300]=f}a=c+8|0}ca=l+16|0;return a|0}function ce(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0;m=ca-32|0;ca=m;o=pa(12);H[o+8>>2]=0;H[o+4>>2]=b;H[o>>2]=0;s=o+12|0;b=s;a:{b:{c:{while(1){b=b-12|0;w=H[b+8>>2];j=H[b+4>>2];t=H[b>>2];if(t){if((w|0)>1e3){break a}H[m+24>>2]=0;H[m+16>>2]=0;H[m+20>>2]=0;d=1;c=H[a>>2];e=H[c+8>>2];h=H[c+12>>2];g=H[c+20>>2];f=H[c+16>>2];d:{if((h|0)<=(g|0)&f>>>0>=e>>>0|(g|0)>(h|0)){break d}e=I[f+H[c>>2]|0];h=c;c=g;f=f+1|0;c=f?c:c+1|0;H[h+16>>2]=f;H[h+20>>2]=c;Cc(m+16|0,e);if(e){c=H[a>>2];n=Dc(m+16|0);p=H[c+8>>2];g=H[c+12>>2];h=H[c+20>>2];f=H[c+16>>2];k=f+e|0;h=k>>>0>>0?h+1|0:h;if((g|0)<=(h|0)&k>>>0>p>>>0|(g|0)<(h|0)){break d}qa(n,f+H[c>>2]|0,e);d=H[c+20>>2];f=e;e=e+H[c+16>>2]|0;d=f>>>0>e>>>0?d+1|0:d;H[c+16>>2]=e;H[c+20>>2]=d}j=pa(24);c=j;H[c+4>>2]=0;H[c+8>>2]=0;c=c+16|0;H[c>>2]=0;H[c+4>>2]=0;H[j>>2]=j+4;H[j+12>>2]=c;e=ca-32|0;ca=e;h=t+12|0;c=m+16|0;u=nb(h,c);i=t+16|0;e:{if((u|0)==(i|0)){H[e+16>>2]=c;f:{g:{d=H[h+4>>2];h:{if(!d){f=h+4|0;c=f;break h}f=I[c+11|0];g=f<<24>>24<0;n=g?H[c>>2]:c;g=g?H[c+4>>2]:f;while(1){c=d;d=I[c+27|0];f=d<<24>>24<0;d=f?H[c+20>>2]:d;p=d>>>0>>0;i:{j:{k:{l:{k=p?d:g;m:{if(k){f=f?H[c+16>>2]:c+16|0;q=Fa(n,f,k);if(!q){if(d>>>0>g>>>0){break m}break l}if((q|0)>=0){break l}break m}if(d>>>0<=g>>>0){break k}}f=c;d=H[c>>2];if(d){continue}break h}d=Fa(f,n,k);if(d){break j}}if(p){break i}break g}if((d|0)>=0){break g}}d=H[c+4>>2];if(d){continue}break}f=c+4|0}d=pa(32);n=d+16|0;g=H[e+16>>2];n:{if(F[g+11|0]>=0){p=H[g+4>>2];H[n>>2]=H[g>>2];H[n+4>>2]=p;H[n+8>>2]=H[g+8>>2];break n}za(n,H[g>>2],H[g+4>>2])}H[d+8>>2]=c;H[d>>2]=0;H[d+4>>2]=0;H[d+28>>2]=0;H[f>>2]=d;c=d;g=H[H[h>>2]>>2];if(g){H[h>>2]=g;c=H[f>>2]}Sb(H[h+4>>2],c);H[h+8>>2]=H[h+8>>2]+1;c=1;break f}d=c;c=0}F[e+28|0]=c;H[e+24>>2]=d;d=H[e+24>>2];c=H[d+28>>2];H[d+28>>2]=j;if(!c){break e}Ra(c+12|0,H[c+16>>2]);Qa(c,H[c+4>>2]);oa(c);break e}if(!j){break e}Ra(j+12|0,H[j+16>>2]);Qa(j,H[j+4>>2]);oa(j)}ca=e+32|0;d=(i|0)!=(u|0)}if(F[m+27|0]<0){oa(H[m+16>>2])}if(d){break a}}if(!j){break a}H[m+16>>2]=0;if(!Bb(1,m+16|0,H[a>>2])){break a}q=0;x=H[m+16>>2];if(x){while(1){d=0;i=ca-32|0;ca=i;H[i+24>>2]=0;H[i+16>>2]=0;H[i+20>>2]=0;c=H[a>>2];f=H[c+8>>2];o:{p:{h=H[c+12>>2];g=H[c+20>>2];e=H[c+16>>2];q:{if((h|0)<=(g|0)&e>>>0>=f>>>0|(g|0)>(h|0)){break q}f=I[e+H[c>>2]|0];h=c;c=g;e=e+1|0;c=e?c:c+1|0;H[h+16>>2]=e;H[h+20>>2]=c;Cc(i+16|0,f);if(f){e=H[a>>2];n=Dc(i+16|0);p=H[e+8>>2];g=H[e+12>>2];c=H[e+20>>2];h=H[e+16>>2];k=h+f|0;c=k>>>0>>0?c+1|0:c;if(k>>>0>p>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break q}qa(n,h+H[e>>2]|0,f);c=H[e+20>>2];g=f;f=f+H[e+16>>2]|0;c=g>>>0>f>>>0?c+1|0:c;H[e+16>>2]=f;H[e+20>>2]=c}H[i+12>>2]=0;if(!Bb(1,i+12|0,H[a>>2])){break q}f=H[i+12>>2];if(!f){break q}e=H[a>>2];c=H[e+8>>2];h=H[e+16>>2];g=c-h|0;c=H[e+12>>2]-(H[e+20>>2]+(c>>>0>>0)|0)|0;if((c|0)<=0&f>>>0>g>>>0|(c|0)<0){break q}H[i+8>>2]=0;H[i>>2]=0;H[i+4>>2]=0;if((f|0)<0){break p}d=pa(f);H[i>>2]=d;c=d+f|0;H[i+8>>2]=c;l=ra(d,0,f);H[i+4>>2]=c;h=H[e+12>>2];y=h;p=H[e+8>>2];c=H[e+20>>2];k=H[e+16>>2];g=f+k|0;c=g>>>0>>0?c+1|0:c;u=g;n=c;r:{if((c|0)<=(h|0)&g>>>0<=p>>>0|(c|0)<(h|0)){qa(l,H[e>>2]+k|0,f);d=H[e+20>>2];c=f+H[e+16>>2]|0;d=c>>>0>>0?d+1|0:d;H[e+16>>2]=c;H[e+20>>2]=d;h=ca-48|0;ca=h;e=nb(j,i+16|0);if((e|0)!=(j+4|0)){c=H[e+4>>2];s:{if(!c){c=e;while(1){d=H[c+8>>2];f=H[d>>2]!=(c|0);c=d;if(f){continue}break}break s}while(1){d=c;c=H[c>>2];if(c){continue}break}}if((e|0)==H[j>>2]){H[j>>2]=d}H[j+8>>2]=H[j+8>>2]-1;f=H[j+4>>2];t:{u:{g=e;d=e;e=H[d>>2];if(e){c=H[g+4>>2];if(!c){break u}while(1){d=c;c=H[c>>2];if(c){continue}break}}e=H[d+4>>2];if(e){break u}e=0;k=1;break t}H[e+8>>2]=H[d+8>>2];k=0}l=H[d+8>>2];c=H[l>>2];v:{if((d|0)==(c|0)){H[l>>2]=e;if((d|0)==(f|0)){c=0;f=e;break v}c=H[l+4>>2];break v}H[l+4>>2]=e}r=!I[d+12|0];if((d|0)!=(g|0)){l=H[g+8>>2];H[d+8>>2]=l;H[l+(((g|0)!=H[H[g+8>>2]>>2])<<2)>>2]=d;l=H[g>>2];H[d>>2]=l;H[l+8>>2]=d;l=H[g+4>>2];H[d+4>>2]=l;if(l){H[l+8>>2]=d}F[d+12|0]=I[g+12|0];f=(f|0)==(g|0)?d:f}w:{if(r|!f){break w}if(k){while(1){e=I[c+12|0];x:{d=H[c+8>>2];if(H[d>>2]!=(c|0)){if(!e){F[c+12|0]=1;F[d+12|0]=0;e=H[d+4>>2];k=H[e>>2];H[d+4>>2]=k;if(k){H[k+8>>2]=d}H[e+8>>2]=H[d+8>>2];k=H[d+8>>2];H[(((d|0)!=H[k>>2])<<2)+k>>2]=e;H[e>>2]=d;H[d+8>>2]=e;d=c;c=H[c>>2];f=(c|0)==(f|0)?d:f;c=H[c+4>>2]}y:{z:{d=H[c>>2];A:{if(!(I[d+12|0]?0:d)){e=H[c+4>>2];if(I[e+12|0]?0:e){break A}F[c+12|0]=0;c=H[c+8>>2];B:{if((f|0)==(c|0)){c=f;break B}if(I[c+12|0]){break x}}F[c+12|0]=1;break w}e=H[c+4>>2];if(!e){break z}}if(I[e+12|0]){break z}d=c;break y}F[d+12|0]=1;F[c+12|0]=0;e=H[d+4>>2];H[c>>2]=e;if(e){H[e+8>>2]=c}H[d+8>>2]=H[c+8>>2];e=H[c+8>>2];H[((H[e>>2]!=(c|0))<<2)+e>>2]=d;H[d+4>>2]=c;H[c+8>>2]=d;e=c}c=H[d+8>>2];F[d+12|0]=I[c+12|0];F[c+12|0]=1;F[e+12|0]=1;d=H[c+4>>2];e=H[d>>2];H[c+4>>2]=e;if(e){H[e+8>>2]=c}H[d+8>>2]=H[c+8>>2];e=H[c+8>>2];H[(((c|0)!=H[e>>2])<<2)+e>>2]=d;H[d>>2]=c;H[c+8>>2]=d;break w}if(!e){F[c+12|0]=1;F[d+12|0]=0;e=H[c+4>>2];H[d>>2]=e;if(e){H[e+8>>2]=d}H[c+8>>2]=H[d+8>>2];e=H[d+8>>2];H[(((d|0)!=H[e>>2])<<2)+e>>2]=c;H[c+4>>2]=d;H[d+8>>2]=c;f=(d|0)==(f|0)?c:f;c=H[d>>2]}e=H[c>>2];C:{if(!(!e|I[e+12|0])){d=c;break C}d=H[c+4>>2];if(!(I[d+12|0]?0:d)){F[c+12|0]=0;c=H[c+8>>2];if((c|0)!=(f|0)?I[c+12|0]:0){break x}F[c+12|0]=1;break w}if(e){if(!I[e+12|0]){d=c;break C}d=H[c+4>>2]}F[d+12|0]=1;F[c+12|0]=0;e=H[d>>2];H[c+4>>2]=e;if(e){H[e+8>>2]=c}H[d+8>>2]=H[c+8>>2];e=H[c+8>>2];H[((H[e>>2]!=(c|0))<<2)+e>>2]=d;H[d>>2]=c;H[c+8>>2]=d;e=c}c=H[d+8>>2];F[d+12|0]=I[c+12|0];F[c+12|0]=1;F[e+12|0]=1;d=H[c>>2];e=H[d+4>>2];H[c>>2]=e;if(e){H[e+8>>2]=c}H[d+8>>2]=H[c+8>>2];e=H[c+8>>2];H[(((c|0)!=H[e>>2])<<2)+e>>2]=d;H[d+4>>2]=c;H[c+8>>2]=d;break w}d=c;c=H[c+8>>2];c=H[(((d|0)==H[c>>2])<<2)+c>>2];continue}}F[e+12|0]=1}c=H[g+28>>2];if(c){H[g+32>>2]=c;oa(c)}if(F[g+27|0]<0){oa(H[g+16>>2])}oa(g)}H[h+8>>2]=0;H[h>>2]=0;H[h+4>>2]=0;c=H[i+4>>2];d=H[i>>2];f=c-d|0;e=0;D:{E:{if((c|0)!=(d|0)){if((f|0)<0){break E}e=pa(f);c=ra(e,0,f);g=c+f|0;H[h+8>>2]=g;H[h+4>>2]=g;H[h>>2]=c;c=d}qa(e,c,f);F:{if(F[i+27|0]>=0){H[h+24>>2]=H[i+24>>2];c=H[i+20>>2];H[h+16>>2]=H[i+16>>2];H[h+20>>2]=c;break F}za(h+16|0,H[i+16>>2],H[i+20>>2])}ae(h+28|0,h);f=h+16|0;c=f;G:{H:{d=H[j+4>>2];I:{if(!d){e=j+4|0;c=e;break I}e=I[c+11|0];g=e<<24>>24<0;k=g?H[c>>2]:c;g=g?H[c+4>>2]:e;while(1){c=d;d=I[c+27|0];e=d<<24>>24<0;d=e?H[c+20>>2]:d;l=d>>>0>>0;J:{K:{L:{M:{r=l?d:g;N:{if(r){e=e?H[c+16>>2]:c+16|0;z=Fa(k,e,r);if(!z){if(d>>>0>g>>>0){break N}break M}if((z|0)>=0){break M}break N}if(d>>>0<=g>>>0){break L}}e=c;d=H[c>>2];if(d){continue}break I}d=Fa(e,k,r);if(d){break K}}if(l){break J}break H}if((d|0)>=0){break H}}d=H[c+4>>2];if(d){continue}break}e=c+4|0}d=pa(40);H[d+24>>2]=H[f+8>>2];g=H[f+4>>2];H[d+16>>2]=H[f>>2];H[d+20>>2]=g;H[f>>2]=0;H[f+4>>2]=0;H[f+8>>2]=0;ae(d+28|0,f+12|0);H[d+8>>2]=c;H[d>>2]=0;H[d+4>>2]=0;H[e>>2]=d;c=d;f=H[H[j>>2]>>2];if(f){H[j>>2]=f;c=H[e>>2]}Sb(H[j+4>>2],c);H[j+8>>2]=H[j+8>>2]+1;c=1;break G}d=c;c=0}F[h+44|0]=c;H[h+40>>2]=d;c=H[h+28>>2];if(c){H[h+32>>2]=c;oa(c)}if(F[h+27|0]<0){oa(H[h+16>>2])}c=H[h>>2];if(c){H[h+4>>2]=c;oa(c)}ca=h+48|0;break D}sa();v()}d=H[i>>2];if(!d){break r}}H[i+4>>2]=d;oa(d)}d=(n|0)<=(y|0)&p>>>0>=u>>>0|(n|0)<(y|0)}if(F[i+27|0]<0){oa(H[i+16>>2])}ca=i+32|0;break o}sa();v()}if(!d){break a}q=q+1|0;if((x|0)!=(q|0)){continue}break}}H[m+12>>2]=0;if(!Bb(1,m+12|0,H[a>>2])){break a}c=H[a>>2];e=H[c+8>>2];f=H[c+16>>2];h=e-f|0;d=H[m+12>>2];c=H[c+12>>2]-(H[c+20>>2]+(e>>>0>>0)|0)|0;if(h>>>0>>0&(c|0)<=0|(c|0)<0){break a}if(d){q=0;h=((t|0)!=0)+w|0;while(1){O:{if(b>>>0>>0){H[b+8>>2]=h;H[b+4>>2]=0;H[b>>2]=j;b=b+12|0;d=H[m+12>>2];break O}c=b-o|0;g=(c|0)/12|0;b=g+1|0;if(b>>>0>=357913942){break c}e=(s-o|0)/12|0;f=e<<1;e=e>>>0>=178956970?357913941:b>>>0>>0?f:b;if(e){if(e>>>0>=357913942){break b}f=pa(N(e,12))}else{f=0}b=f+N(g,12)|0;H[b+8>>2]=h;H[b+4>>2]=0;H[b>>2]=j;c=va(b+N((c|0)/-12|0,12)|0,o,c);s=f+N(e,12)|0;b=b+12|0;if(o){oa(o)}o=c}q=q+1|0;if(q>>>0>>0){continue}break}}if((b|0)!=(o|0)){continue}break}A=1;break a}sa();v()}wa();v()}if(o){oa(o)}ca=m+32|0;return A}function Af(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=O(0),q=0,r=0;e=ca-720|0;ca=e;a:{b:{c:{d:{e:{f:{g:{h:{i:{if(J[b+38>>1]>=515){H[e+680>>2]=0;H[e+672>>2]=0;H[e+676>>2]=0;if((ea[H[H[a>>2]+24>>2]](a)|0)<=0){break d}while(1){c=ea[H[H[a>>2]+20>>2]](a,n)|0;d=H[H[H[(ea[H[H[a>>2]+28>>2]](a)|0)+4>>2]+8>>2]+(c<<2)>>2];if(H[d+28>>2]==9){f=H[e+672>>2];c=H[e+676>>2]-f>>2;k=I[d+24|0];j:{if(c>>>0>>0){ya(e+672|0,k-c|0);break j}if(c>>>0<=k>>>0){break j}H[e+676>>2]=f+(k<<2)}j=0;i=H[b+8>>2];h=H[b+12>>2];c=H[b+20>>2];d=k<<2;f=H[b+16>>2];l=f+d|0;c=d>>>0>l>>>0?c+1|0:c;if(i>>>0>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break b}qa(H[e+672>>2],f+H[b>>2]|0,d);c=H[b+20>>2];f=d;d=d+H[b+16>>2]|0;c=f>>>0>d>>>0?c+1|0:c;i=d;H[b+16>>2]=d;H[b+20>>2]=c;l=H[b+12>>2];g=H[b+8>>2];h=d+4|0;f=h>>>0<4?c+1|0:c;d=f;if(g>>>0>>0&(d|0)>=(l|0)|(d|0)>(l|0)){break b}o=H[b>>2];f=o+i|0;f=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[b+16>>2]=h;H[b+20>>2]=d;if(g>>>0<=h>>>0&(d|0)>=(l|0)|(d|0)>(l|0)){break b}d=I[h+o|0];h=i+5|0;c=h>>>0<5?c+1|0:c;H[b+16>>2]=h;H[b+20>>2]=c;if(d>>>0>31){break b}p=(A(2,f),B());H[e+20>>2]=-1;H[e+16>>2]=1832;H[e+32>>2]=0;H[e+36>>2]=0;H[e+24>>2]=0;H[e+28>>2]=0;c=H[e+672>>2];o=d-1|0;if(o>>>0<=29){H[e+20>>2]=d;k:{h=c+(k<<2)|0;l=h-c|0;f=l>>2;i=H[e+32>>2];d=H[e+24>>2];if(f>>>0<=i-d>>2>>>0){i=H[e+28>>2]-d|0;l=i>>2;i=f>>>0>l>>>0?c+i|0:h;g=i-c|0;if((c|0)!=(i|0)){va(d,c,g)}if(f>>>0>l>>>0){c=h-i|0;d=H[e+28>>2];if((h|0)!=(i|0)){va(d,i,c)}H[e+28>>2]=c+d;break k}H[e+28>>2]=d+g;break k}if(d){H[e+28>>2]=d;oa(d);H[e+32>>2]=0;H[e+24>>2]=0;H[e+28>>2]=0;i=0}l:{if((l|0)<0){break l}d=i>>>1|0;d=i>>>0>=2147483644?1073741823:d>>>0>f>>>0?d:f;if(d>>>0>=1073741824){break l}i=d<<2;d=pa(i);H[e+28>>2]=d;H[e+24>>2]=d;H[e+32>>2]=d+i;if((c|0)!=(h|0)){qa(d,c,l)}H[e+28>>2]=d+(f<<2);break k}sa();v()}L[e+36>>2]=p}m:{if(o>>>0>=30){break m}if(!Xc(e+16|0,H[H[a+60>>2]+((H[a+40>>2]-H[a+36>>2]|0)/24<<2)>>2])){break m}c=H[a+40>>2];n:{if((c|0)!=H[a+44>>2]){H[c>>2]=1832;d=H[e+20>>2];H[c+16>>2]=0;H[c+8>>2]=0;H[c+12>>2]=0;H[c+4>>2]=d;d=H[e+28>>2];f=H[e+24>>2];if((d|0)!=(f|0)){d=d-f|0;if((d|0)<0){break i}g=pa(d);H[c+12>>2]=g;H[c+8>>2]=g;H[c+16>>2]=(d&-4)+g;k=H[e+24>>2];d=H[e+28>>2];if((k|0)!=(d|0)){while(1){L[g>>2]=L[k>>2];g=g+4|0;k=k+4|0;if((d|0)!=(k|0)){continue}break}}H[c+12>>2]=g}L[c+20>>2]=L[e+36>>2];H[a+40>>2]=c+24;break n}d=0;o:{p:{q:{r:{j=H[a+40>>2];f=H[a+36>>2];i=(j-f|0)/24|0;c=i+1|0;if(c>>>0<178956971){h=(H[a+44>>2]-f|0)/24|0;l=h<<1;h=h>>>0>=89478485?178956970:c>>>0>>0?l:c;if(h){if(h>>>0>=178956971){break r}d=pa(N(h,24))}g=N(i,24)+d|0;H[g>>2]=1832;c=H[e+20>>2];H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;H[g+4>>2]=c;c=H[e+24>>2];i=H[e+28>>2];if((c|0)!=(i|0)){l=i-c|0;if((l|0)<0){break q}k=pa(l);H[g+8>>2]=k;H[g+16>>2]=(l&-4)+k;while(1){L[k>>2]=L[c>>2];k=k+4|0;c=c+4|0;if((i|0)!=(c|0)){continue}break}H[g+12>>2]=k}c=N(h,24)+d|0;L[g+20>>2]=L[e+36>>2];d=g+24|0;if((f|0)==(j|0)){break p}while(1){g=g-24|0;H[g>>2]=1832;j=j-24|0;H[g+4>>2]=H[j+4>>2];H[g+8>>2]=H[j+8>>2];H[g+12>>2]=H[j+12>>2];H[g+16>>2]=H[j+16>>2];H[j+16>>2]=0;H[j+8>>2]=0;H[j+12>>2]=0;L[g+20>>2]=L[j+20>>2];if((f|0)!=(j|0)){continue}break}H[a+44>>2]=c;k=H[a+40>>2];H[a+40>>2]=d;j=H[a+36>>2];H[a+36>>2]=g;if((j|0)==(k|0)){break o}while(1){k=k-24|0;ea[H[H[k>>2]>>2]](k)|0;if((j|0)!=(k|0)){continue}break}break o}sa();v()}wa();v()}sa();v()}H[a+44>>2]=c;H[a+40>>2]=d;H[a+36>>2]=g}if(j){oa(j)}}j=1}H[e+16>>2]=1832;c=H[e+24>>2];if(c){H[e+28>>2]=c;oa(c)}if(!j){break c}}n=n+1|0;if((ea[H[H[a>>2]+24>>2]](a)|0)>(n|0)){continue}break}break d}k=ea[H[H[a>>2]+24>>2]](a)|0;H[e+712>>2]=0;H[e+704>>2]=0;H[e+708>>2]=0;if(k){if(k>>>0>=214748365){break h}c=N(k,20);d=pa(c);H[e+704>>2]=d;H[e+712>>2]=c+d;c=c-20|0;c=(c-((c>>>0)%20|0)|0)+20|0;q=e,r=ra(d,0,c)+c|0,H[q+708>>2]=r;while(1){c=ea[H[H[a>>2]+20>>2]](a,m)|0;d=H[H[H[(ea[H[H[a>>2]+28>>2]](a)|0)+4>>2]+8>>2]+(c<<2)>>2];f=H[d+28>>2];c=f-1|0;if(c>>>0<=10){c=H[(c<<2)+13584>>2]}else{c=-1}h=(c|0)>0?c:0;if(h>>>0>4){break f}c=H[e+704>>2]+N(m,20)|0;i=I[d+24|0];H[c+16>>2]=i;H[c+12>>2]=h;H[c+8>>2]=f;H[c+4>>2]=g;H[c>>2]=d;g=g+i|0;m=m+1|0;if((k|0)!=(m|0)){continue}break}}c=ea[H[H[a>>2]+20>>2]](a,0)|0;m=H[H[H[(ea[H[H[a>>2]+28>>2]](a)|0)+4>>2]+8>>2]+(c<<2)>>2];F[m+84|0]=1;H[m+72>>2]=H[m+68>>2];h=H[b+12>>2];c=h;d=H[b+20>>2];f=H[b+8>>2];i=H[b+16>>2];if((c|0)<=(d|0)&f>>>0<=i>>>0|(c|0)<(d|0)){break f}n=H[b>>2];o=I[n+i|0];c=d;l=i+1|0;c=l?c:c+1|0;H[b+16>>2]=l;H[b+20>>2]=c;s:{switch(o|0){case 0:a=H[e+704>>2];if((H[e+708>>2]-a|0)!=20){break e}if(H[a+16>>2]!=3){break f}t:{if(f>>>0<=l>>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break t}c=d;a=i+2|0;c=a>>>0<2?c+1|0:c;l=a;H[b+16>>2]=a;H[b+20>>2]=c;c=d;a=i+6|0;c=a>>>0<6?c+1|0:c;if(a>>>0>f>>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break t}d=l+n|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=a;H[b+20>>2]=c;mb(m,d);j=e+672|0;H[j+20>>2]=0;H[j+12>>2]=0;H[j+16>>2]=0;H[j>>2]=0;H[j+4>>2]=0;H[j+20>>2]=d;d=Ac(e+16|0,e+704|0);k=0;g=ca-32|0;ca=g;H[g+24>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;f=H[b+12>>2];m=f;i=H[b+8>>2];c=H[b+20>>2];l=c;h=H[b+16>>2];a=h+4|0;c=a>>>0<4?c+1|0:c;u:{if(a>>>0>i>>>0&(c|0)>=(f|0)|(c|0)>(f|0)){break u}n=H[b>>2];f=n+h|0;f=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[b+16>>2]=a;H[b+20>>2]=c;v:{w:{switch(f-2|0){case 1:if((c|0)>=(m|0)&a>>>0>=i>>>0|(c|0)>(m|0)){break u}a=F[a+n|0];c=l;f=h+5|0;c=f>>>0<5?c+1|0:c;H[b+16>>2]=f;H[b+20>>2]=c;H[j+8>>2]=a;if((a|0)==1){if(Ud(j,b,g+16|0)){break v}break u}Rd(1799,23,H[3443]);break u;default:Rd(1774,24,H[3443]);break u;case 0:break w}}if(!Ud(j,b,g+16|0)){break u}}H[g+8>>2]=H[g+16>>2];H[g>>2]=H[g+20>>2];c=ca-32|0;ca=c;a=H[j>>2];p=L[j+4>>2];H[c+24>>2]=1065353216;h=-1<0){L[c+24>>2]=p/O(a|0)}m=H[g+8>>2];n=H[g>>2];if((m|0)!=(n|0)){a=H[d+28>>2];while(1){b=H[m>>2];f=H[m+4>>2];p=L[c+24>>2];L[c+16>>2]=p*O(H[m+8>>2]-h|0);L[c+12>>2]=p*O(f-h|0);L[c+8>>2]=p*O(b-h|0);b=a;i=H[d+16>>2];f=H[i>>2];if(!I[f+84|0]){b=H[H[f+68>>2]+(a<<2)>>2]}if(K[f+80>>2]>b>>>0){a=H[f+40>>2];qa(H[H[f>>2]>>2]+N(a,b)|0,(c+8|0)+(H[i+4>>2]<<2)|0,a);n=H[g>>2];a=H[d+28>>2]}a=a+1|0;H[d+28>>2]=a;m=m+12|0;if((n|0)!=(m|0)){continue}break}}ca=c+32|0;k=1}a=H[g+16>>2];if(a){H[g+20>>2]=a;oa(a)}ca=g+32|0;yc(d);j=1;if(k){break f}}j=0;break f;case 1:break s;default:break f}}if(f>>>0<=l>>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break f}o=I[l+n|0];c=d;l=i+2|0;c=l>>>0<2?c+1|0:c;H[b+16>>2]=l;H[b+20>>2]=c;if(o>>>0>=7){H[e>>2]=o;Qd(1651,e);break f}c=d;d=i+6|0;c=d>>>0<6?c+1|0:c;if(d>>>0>f>>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break f}f=l+n|0;f=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[b+16>>2]=d;H[b+20>>2]=c;if(k){m=0;while(1){c=ea[H[H[a>>2]+20>>2]](a,m)|0;c=H[H[H[(ea[H[H[a>>2]+28>>2]](a)|0)+4>>2]+8>>2]+(c<<2)>>2];mb(c,f);F[c+84|0]=1;H[c+72>>2]=H[c+68>>2];m=m+1|0;if((k|0)!=(m|0)){continue}break}}a=Ac(e+672|0,e+704|0);x:{y:{switch(o|0){case 1:c=wb(e+16|0,g);b=zd(c,b,a,-1);xb(c);if(!b){break g}break x;case 2:c=ub(e+16|0,g);b=yd(c,b,a,-1);vb(c);if(!b){break g}break x;case 3:c=ub(e+16|0,g);b=xd(c,b,a,-1);vb(c);if(!b){break g}break x;case 4:c=$a(e+16|0,g);b=wd(c,b,a,-1);ab(c);if(!b){break g}break x;case 5:c=$a(e+16|0,g);b=vd(c,b,a,-1);ab(c);if(!b){break g}break x;case 6:c=$a(e+16|0,g);b=ud(c,b,a,-1);ab(c);if(b){break x}break g;case 0:break y;default:break g}}c=wb(e+16|0,g);b=Bd(c,b,a,-1);xb(c);if(!b){break g}}yc(a);j=1;break f}sa();v()}sa();v()}yc(a)}a=H[e+704>>2]}if(!a){break a}H[e+708>>2]=a;oa(a);break a}j=1;if(H[a+52>>2]==H[a+48>>2]){break b}while(1){if(!td(1,e+16|0,b)){break c}c=H[a+48>>2];d=H[e+16>>2];H[c+(m<<2)>>2]=d>>>1^0-(d&1);m=m+1|0;if(m>>>0>2]-c>>2>>>0){continue}break}break b}j=0}a=H[e+672>>2];if(!a){break a}H[e+676>>2]=a;oa(a)}ca=e+720|0;return j|0}function te(a,b,c,d,e){var f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;h=ca-32|0;ca=h;H[b+32>>2]=d;H[b+40>>2]=c;H[b+4>>2]=e;nc(a,d,h+16|0);a:{if(H[a>>2]){break a}if(F[a+15|0]<0){oa(H[a+4>>2])}d=I[h+23|0];if((ea[H[H[b>>2]+8>>2]](b)|0)!=(d|0)){b=pa(64);F[b+50|0]=0;c=I[1314]|I[1315]<<8;F[b+48|0]=c;F[b+49|0]=c>>>8;c=I[1310]|I[1311]<<8|(I[1312]<<16|I[1313]<<24);d=I[1306]|I[1307]<<8|(I[1308]<<16|I[1309]<<24);F[b+40|0]=d;F[b+41|0]=d>>>8;F[b+42|0]=d>>>16;F[b+43|0]=d>>>24;F[b+44|0]=c;F[b+45|0]=c>>>8;F[b+46|0]=c>>>16;F[b+47|0]=c>>>24;c=I[1302]|I[1303]<<8|(I[1304]<<16|I[1305]<<24);d=I[1298]|I[1299]<<8|(I[1300]<<16|I[1301]<<24);F[b+32|0]=d;F[b+33|0]=d>>>8;F[b+34|0]=d>>>16;F[b+35|0]=d>>>24;F[b+36|0]=c;F[b+37|0]=c>>>8;F[b+38|0]=c>>>16;F[b+39|0]=c>>>24;c=I[1294]|I[1295]<<8|(I[1296]<<16|I[1297]<<24);d=I[1290]|I[1291]<<8|(I[1292]<<16|I[1293]<<24);F[b+24|0]=d;F[b+25|0]=d>>>8;F[b+26|0]=d>>>16;F[b+27|0]=d>>>24;F[b+28|0]=c;F[b+29|0]=c>>>8;F[b+30|0]=c>>>16;F[b+31|0]=c>>>24;c=I[1286]|I[1287]<<8|(I[1288]<<16|I[1289]<<24);d=I[1282]|I[1283]<<8|(I[1284]<<16|I[1285]<<24);F[b+16|0]=d;F[b+17|0]=d>>>8;F[b+18|0]=d>>>16;F[b+19|0]=d>>>24;F[b+20|0]=c;F[b+21|0]=c>>>8;F[b+22|0]=c>>>16;F[b+23|0]=c>>>24;c=I[1278]|I[1279]<<8|(I[1280]<<16|I[1281]<<24);d=I[1274]|I[1275]<<8|(I[1276]<<16|I[1277]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=c;F[b+13|0]=c>>>8;F[b+14|0]=c>>>16;F[b+15|0]=c>>>24;c=I[1270]|I[1271]<<8|(I[1272]<<16|I[1273]<<24);d=I[1266]|I[1267]<<8|(I[1268]<<16|I[1269]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=c;F[b+5|0]=c>>>8;F[b+6|0]=c>>>16;F[b+7|0]=c>>>24;H[a>>2]=-1;za(a+4|0,b,50);oa(b);break a}c=I[h+21|0];F[b+36|0]=c;e=I[h+22|0];F[b+37|0]=e;if((c-3&255)>>>0<=253){b=pa(32);F[b+22|0]=0;c=I[1427]|I[1428]<<8|(I[1429]<<16|I[1430]<<24);d=I[1423]|I[1424]<<8|(I[1425]<<16|I[1426]<<24);F[b+14|0]=d;F[b+15|0]=d>>>8;F[b+16|0]=d>>>16;F[b+17|0]=d>>>24;F[b+18|0]=c;F[b+19|0]=c>>>8;F[b+20|0]=c>>>16;F[b+21|0]=c>>>24;c=I[1421]|I[1422]<<8|(I[1423]<<16|I[1424]<<24);d=I[1417]|I[1418]<<8|(I[1419]<<16|I[1420]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=c;F[b+13|0]=c>>>8;F[b+14|0]=c>>>16;F[b+15|0]=c>>>24;c=I[1413]|I[1414]<<8|(I[1415]<<16|I[1416]<<24);d=I[1409]|I[1410]<<8|(I[1411]<<16|I[1412]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=c;F[b+5|0]=c>>>8;F[b+6|0]=c>>>16;F[b+7|0]=c>>>24;H[a>>2]=-5;za(a+4|0,b,22);oa(b);break a}if(!((c|0)!=2|e>>>0<=(d?2:3)>>>0)){b=pa(32);F[b+22|0]=0;c=I[1404]|I[1405]<<8|(I[1406]<<16|I[1407]<<24);d=I[1400]|I[1401]<<8|(I[1402]<<16|I[1403]<<24);F[b+14|0]=d;F[b+15|0]=d>>>8;F[b+16|0]=d>>>16;F[b+17|0]=d>>>24;F[b+18|0]=c;F[b+19|0]=c>>>8;F[b+20|0]=c>>>16;F[b+21|0]=c>>>24;c=I[1398]|I[1399]<<8|(I[1400]<<16|I[1401]<<24);d=I[1394]|I[1395]<<8|(I[1396]<<16|I[1397]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=c;F[b+13|0]=c>>>8;F[b+14|0]=c>>>16;F[b+15|0]=c>>>24;c=I[1390]|I[1391]<<8|(I[1392]<<16|I[1393]<<24);d=I[1386]|I[1387]<<8|(I[1388]<<16|I[1389]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=c;F[b+5|0]=c>>>8;F[b+6|0]=c>>>16;F[b+7|0]=c>>>24;H[a>>2]=-5;za(a+4|0,b,22);oa(b);break a}c=e|c<<8;G[H[b+32>>2]+38>>1]=c;b:{if((c&65535)>>>0<259|G[h+26>>1]>=0){break b}i=ca-16|0;ca=i;e=pa(36);c=e;H[c+4>>2]=0;H[c+8>>2]=0;H[c+24>>2]=0;H[c+28>>2]=0;c=c+16|0;H[c>>2]=0;H[c+4>>2]=0;H[e>>2]=e+4;H[e+32>>2]=0;H[e+12>>2]=c;H[i>>2]=0;d=H[b+32>>2];j=ca-16|0;ca=j;c=0;c:{if(!e){break c}H[i>>2]=d;H[j+12>>2]=0;c=0;if(!Bb(1,j+12|0,d)){break c}m=H[j+12>>2];if(m){while(1){d:{if(Bb(1,j+8|0,H[i>>2])){c=pa(28);H[c+4>>2]=0;H[c+8>>2]=0;d=c+16|0;H[d>>2]=0;H[d+4>>2]=0;H[c>>2]=c+4;H[c+12>>2]=d;H[c+24>>2]=H[j+8>>2];if(ce(i,c)){break d}Ra(c+12|0,H[c+16>>2]);Qa(c,H[c+4>>2]);oa(c)}c=0;break c}f=ca-16|0;ca=f;H[f+8>>2]=c;e:{if(!c){break e}d=H[e+28>>2];f:{if(d>>>0>2]){H[f+8>>2]=0;H[d>>2]=c;H[e+28>>2]=d+4;break f}d=0;g:{h:{i:{g=H[e+24>>2];l=H[e+28>>2]-g>>2;c=l+1|0;if(c>>>0<1073741824){g=H[e+32>>2]-g|0;k=g>>>1|0;g=g>>>0>=2147483644?1073741823:c>>>0>>0?k:c;if(g){if(g>>>0>=1073741824){break i}d=pa(g<<2)}k=H[f+8>>2];H[f+8>>2]=0;c=(l<<2)+d|0;H[c>>2]=k;g=(g<<2)+d|0;l=c+4|0;d=H[e+28>>2];k=H[e+24>>2];if((d|0)==(k|0)){break h}while(1){d=d-4|0;o=H[d>>2];H[d>>2]=0;c=c-4|0;H[c>>2]=o;if((d|0)!=(k|0)){continue}break}H[e+32>>2]=g;g=H[e+28>>2];H[e+28>>2]=l;d=H[e+24>>2];H[e+24>>2]=c;if((d|0)==(g|0)){break g}while(1){g=g-4|0;c=H[g>>2];H[g>>2]=0;if(c){Ra(c+12|0,H[c+16>>2]);Qa(c,H[c+4>>2]);oa(c)}if((d|0)!=(g|0)){continue}break}break g}sa();v()}wa();v()}H[e+32>>2]=g;H[e+28>>2]=l;H[e+24>>2]=c}if(d){oa(d)}}c=H[f+8>>2];H[f+8>>2]=0;if(!c){break e}Ra(c+12|0,H[c+16>>2]);Qa(c,H[c+4>>2]);oa(c)}ca=f+16|0;n=n+1|0;if((m|0)!=(n|0)){continue}break}}c=ce(i,e)}ca=j+16|0;j:{if(c){d=H[b+4>>2];c=H[d+4>>2];H[d+4>>2]=e;if(c){Uc(c)}H[a>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a+12>>2]=0;break j}c=pa(32);F[c+26|0]=0;d=I[1579]|I[1580]<<8;F[c+24|0]=d;F[c+25|0]=d>>>8;d=I[1575]|I[1576]<<8|(I[1577]<<16|I[1578]<<24);f=I[1571]|I[1572]<<8|(I[1573]<<16|I[1574]<<24);F[c+16|0]=f;F[c+17|0]=f>>>8;F[c+18|0]=f>>>16;F[c+19|0]=f>>>24;F[c+20|0]=d;F[c+21|0]=d>>>8;F[c+22|0]=d>>>16;F[c+23|0]=d>>>24;d=I[1567]|I[1568]<<8|(I[1569]<<16|I[1570]<<24);f=I[1563]|I[1564]<<8|(I[1565]<<16|I[1566]<<24);F[c+8|0]=f;F[c+9|0]=f>>>8;F[c+10|0]=f>>>16;F[c+11|0]=f>>>24;F[c+12|0]=d;F[c+13|0]=d>>>8;F[c+14|0]=d>>>16;F[c+15|0]=d>>>24;d=I[1559]|I[1560]<<8|(I[1561]<<16|I[1562]<<24);f=I[1555]|I[1556]<<8|(I[1557]<<16|I[1558]<<24);F[c|0]=f;F[c+1|0]=f>>>8;F[c+2|0]=f>>>16;F[c+3|0]=f>>>24;F[c+4|0]=d;F[c+5|0]=d>>>8;F[c+6|0]=d>>>16;F[c+7|0]=d>>>24;H[a>>2]=-1;za(a+4|0,c,26);oa(c);H[i+8>>2]=0;Uc(e)}ca=i+16|0;if(H[a>>2]){break a}if(F[a+15|0]>=0){break b}oa(H[a+4>>2])}if(!(ea[H[H[b>>2]+12>>2]](b)|0)){b=pa(48);F[b+33|0]=0;F[b+32|0]=I[1384];c=I[1380]|I[1381]<<8|(I[1382]<<16|I[1383]<<24);d=I[1376]|I[1377]<<8|(I[1378]<<16|I[1379]<<24);F[b+24|0]=d;F[b+25|0]=d>>>8;F[b+26|0]=d>>>16;F[b+27|0]=d>>>24;F[b+28|0]=c;F[b+29|0]=c>>>8;F[b+30|0]=c>>>16;F[b+31|0]=c>>>24;c=I[1372]|I[1373]<<8|(I[1374]<<16|I[1375]<<24);d=I[1368]|I[1369]<<8|(I[1370]<<16|I[1371]<<24);F[b+16|0]=d;F[b+17|0]=d>>>8;F[b+18|0]=d>>>16;F[b+19|0]=d>>>24;F[b+20|0]=c;F[b+21|0]=c>>>8;F[b+22|0]=c>>>16;F[b+23|0]=c>>>24;c=I[1364]|I[1365]<<8|(I[1366]<<16|I[1367]<<24);d=I[1360]|I[1361]<<8|(I[1362]<<16|I[1363]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=c;F[b+13|0]=c>>>8;F[b+14|0]=c>>>16;F[b+15|0]=c>>>24;c=I[1356]|I[1357]<<8|(I[1358]<<16|I[1359]<<24);d=I[1352]|I[1353]<<8|(I[1354]<<16|I[1355]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=c;F[b+5|0]=c>>>8;F[b+6|0]=c>>>16;F[b+7|0]=c>>>24;H[a>>2]=-1;za(a+4|0,b,33);oa(b);break a}if(!(ea[H[H[b>>2]+20>>2]](b)|0)){b=mc(h,1582);H[a>>2]=-1;a=a+4|0;if(F[b+11|0]>=0){c=H[b+4>>2];H[a>>2]=H[b>>2];H[a+4>>2]=c;H[a+8>>2]=H[b+8>>2];break a}za(a,H[b>>2],H[b+4>>2]);if(F[b+11|0]>=0){break a}oa(H[b>>2]);break a}if(!(ea[H[H[b>>2]+24>>2]](b)|0)){b=mc(h,1317);H[a>>2]=-1;a=a+4|0;if(F[b+11|0]>=0){c=H[b+4>>2];H[a>>2]=H[b>>2];H[a+4>>2]=c;H[a+8>>2]=H[b+8>>2];break a}za(a,H[b>>2],H[b+4>>2]);if(F[b+11|0]>=0){break a}oa(H[b>>2]);break a}H[a>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a+12>>2]=0}ca=h+32|0}function pg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0;m=ca-16|0;ca=m;H[m+12>>2]=b;b=pa(32);H[m>>2]=b;H[m+4>>2]=24;H[m+8>>2]=-2147483616;c=I[1206]|I[1207]<<8|(I[1208]<<16|I[1209]<<24);d=I[1202]|I[1203]<<8|(I[1204]<<16|I[1205]<<24);F[b+16|0]=d;F[b+17|0]=d>>>8;F[b+18|0]=d>>>16;F[b+19|0]=d>>>24;F[b+20|0]=c;F[b+21|0]=c>>>8;F[b+22|0]=c>>>16;F[b+23|0]=c>>>24;c=I[1198]|I[1199]<<8|(I[1200]<<16|I[1201]<<24);d=I[1194]|I[1195]<<8|(I[1196]<<16|I[1197]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=c;F[b+13|0]=c>>>8;F[b+14|0]=c>>>16;F[b+15|0]=c>>>24;c=I[1190]|I[1191]<<8|(I[1192]<<16|I[1193]<<24);d=I[1186]|I[1187]<<8|(I[1188]<<16|I[1189]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=c;F[b+5|0]=c>>>8;F[b+6|0]=c>>>16;F[b+7|0]=c>>>24;F[b+24|0]=0;l=ca-48|0;ca=l;f=H[m+12>>2];d=a;a=a+16|0;b=H[a>>2];a:{b:{if(!b){break b}c=a;while(1){e=(f|0)>H[b+16>>2];c=e?c:b;b=H[(e?b+4|0:b)>>2];if(b){continue}break}if((a|0)==(c|0)){break b}if((f|0)>=H[c+16>>2]){break a}}H[l+28>>2]=0;H[l+32>>2]=0;y=l+24|0;H[l+24>>2]=y|4;a=l+16|0;H[a>>2]=0;H[a+4>>2]=0;H[l+8>>2]=f;H[l+12>>2]=a;t=l+8|0;a=t;x=ca-16|0;ca=x;u=d+12|0;c=H[u+4>>2];c:{d:{if(!c){o=u+4|0;d=o;break d}a=H[a>>2];while(1){d=c;b=H[c+16>>2];if((b|0)>(a|0)){o=d;c=H[d>>2];if(c){continue}break d}if((a|0)<=(b|0)){g=d;a=0;break c}c=H[d+4>>2];if(c){continue}break}o=d+4|0}g=pa(32);b=H[t>>2];q=g+24|0;a=q;H[a>>2]=0;H[a+4>>2]=0;H[g+16>>2]=b;r=g+20|0;H[r>>2]=a;c=H[t+4>>2];z=t+8|0;if((c|0)!=(z|0)){while(1){p=ca-16|0;ca=p;a=p+8|0;k=c+16|0;e:{f:{g:{h:{i:{j:{k:{f=q;e=r+4|0;l:{if((f|0)==(e|0)){break l}b=I[f+27|0];h=b<<24>>24<0;i=I[k+11|0];n=i<<24>>24;j=(n|0)<0;i=j?H[k+4>>2]:i;b=h?H[f+20>>2]:b;s=i>>>0>b>>>0;w=s?b:i;if(w){j=j?H[k>>2]:k;h=h?H[f+16>>2]:f+16|0;A=Fa(j,h,w);if(!A){if(b>>>0>i>>>0){break l}break k}if((A|0)>=0){break k}break l}if(b>>>0<=i>>>0){break j}}h=H[f>>2];m:{a=f;n:{if((a|0)==H[r>>2]){break n}o:{if(!h){b=f;while(1){a=H[b+8>>2];i=H[a>>2]==(b|0);b=a;if(i){continue}break}break o}b=h;while(1){a=b;b=H[b+4>>2];if(b){continue}break}}i=I[k+11|0];s=i<<24>>24;b=(s|0)<0;j=I[a+27|0];n=j<<24>>24<0;p:{i=b?H[k+4>>2]:i;j=n?H[a+20>>2]:j;w=i>>>0>>0?i:j;if(w){b=Fa(n?H[a+16>>2]:a+16|0,b?H[k>>2]:k,w);if(b){break p}}if(i>>>0>j>>>0){break n}break m}if((b|0)>=0){break m}}if(!h){H[p+12>>2]=f;a=f;break e}H[p+12>>2]=a;a=a+4|0;break e}b=H[e>>2];if(!b){H[p+12>>2]=e;a=e;break e}h=(s|0)<0?H[k>>2]:k;f=e;while(1){a=b;b=I[b+27|0];e=b<<24>>24<0;b=e?H[a+20>>2]:b;k=b>>>0>>0;q:{r:{s:{t:{n=k?b:i;u:{if(n){e=e?H[a+16>>2]:a+16|0;j=Fa(h,e,n);if(!j){if(b>>>0>i>>>0){break u}break t}if((j|0)>=0){break t}break u}if(b>>>0<=i>>>0){break s}}f=a;b=H[a>>2];if(b){continue}break g}b=Fa(e,h,n);if(b){break r}}if(k){break q}break g}if((b|0)>=0){break g}}f=a+4|0;b=H[a+4>>2];if(b){continue}break}break g}b=Fa(h,j,w);if(b){break i}}if(s){break h}break f}if((b|0)>=0){break f}}h=H[f+4>>2];v:{if(!h){b=f;while(1){a=H[b+8>>2];j=H[a>>2]!=(b|0);b=a;if(j){continue}break}break v}b=h;while(1){a=b;b=H[b>>2];if(b){continue}break}}w:{x:{if((a|0)==(e|0)){break x}j=I[a+27|0];b=j<<24>>24<0;y:{j=b?H[a+20>>2]:j;s=i>>>0>j>>>0?j:i;if(s){b=Fa((n|0)<0?H[k>>2]:k,b?H[a+16>>2]:a+16|0,s);if(b){break y}}if(i>>>0>>0){break x}break w}if((b|0)>=0){break w}}if(!h){H[p+12>>2]=f;a=f+4|0;break e}H[p+12>>2]=a;break e}b=H[e>>2];if(!b){H[p+12>>2]=e;a=e;break e}h=(n|0)<0?H[k>>2]:k;f=e;while(1){a=b;b=I[b+27|0];e=b<<24>>24<0;b=e?H[a+20>>2]:b;k=b>>>0>>0;z:{A:{B:{C:{n=k?b:i;D:{if(n){e=e?H[a+16>>2]:a+16|0;j=Fa(h,e,n);if(!j){if(b>>>0>i>>>0){break D}break C}if((j|0)>=0){break C}break D}if(b>>>0<=i>>>0){break B}}f=a;b=H[a>>2];if(b){continue}break g}b=Fa(e,h,n);if(b){break A}}if(k){break z}break g}if((b|0)>=0){break g}}f=a+4|0;b=H[a+4>>2];if(b){continue}break}}H[p+12>>2]=a;a=f;break e}H[p+12>>2]=f;H[a>>2]=f}f=a;a=H[a>>2];if(a){b=0}else{a=pa(40);b=a+16|0;E:{if(F[c+27|0]>=0){e=H[c+20>>2];H[b>>2]=H[c+16>>2];H[b+4>>2]=e;H[b+8>>2]=H[c+24>>2];break E}za(b,H[c+16>>2],H[c+20>>2])}b=a+28|0;F:{if(F[c+39|0]>=0){e=H[c+32>>2];H[b>>2]=H[c+28>>2];H[b+4>>2]=e;H[b+8>>2]=H[c+36>>2];break F}za(b,H[c+28>>2],H[c+32>>2])}H[a+8>>2]=H[p+12>>2];H[a>>2]=0;H[a+4>>2]=0;H[f>>2]=a;b=a;e=H[H[r>>2]>>2];if(e){H[r>>2]=e;b=H[f>>2]}Sb(H[r+4>>2],b);H[r+8>>2]=H[r+8>>2]+1;b=1}F[x+12|0]=b;H[x+8>>2]=a;ca=p+16|0;b=H[c+4>>2];G:{if(b){while(1){c=b;b=H[b>>2];if(b){continue}break G}}while(1){a=c;c=H[c+8>>2];if((a|0)!=H[c>>2]){continue}break}}if((c|0)!=(z|0)){continue}break}}H[g+8>>2]=d;H[g>>2]=0;H[g+4>>2]=0;H[o>>2]=g;c=g;a=H[H[u>>2]>>2];if(a){H[u>>2]=a;c=H[o>>2]}Sb(H[u+4>>2],c);H[u+8>>2]=H[u+8>>2]+1;a=1}F[l+44|0]=a;H[l+40>>2]=g;ca=x+16|0;c=H[l+40>>2];Kb(t|4,H[l+16>>2]);Kb(y,H[l+28>>2])}f=ca-48|0;ca=f;d=f+8|0;g=ca-32|0;ca=g;o=g+32|0;b=o;a=g+21|0;H:{if((b|0)==(a|0)){break H}}e=b-a|0;I:{if((e|0)<=9){h=61;if((e|0)<(K[3660]<=1|0)){break I}}F[a|0]=49;b=a+1|0;h=0}H[g+12>>2]=h;H[g+8>>2]=b;h=ca-16|0;ca=h;e=ca-16|0;ca=e;J:{q=H[g+8>>2];g=q-a|0;if(g>>>0<=2147483631){K:{if(g>>>0<11){F[d+11|0]=g|I[d+11|0]&128;F[d+11|0]=I[d+11|0]&127;b=d;break K}t=e+8|0;if(g>>>0>=11){k=g+16&-16;b=k-1|0;b=(b|0)==11?k:b}else{b=10}Zb(t,b+1|0);b=H[e+8>>2];H[d>>2]=b;H[d+8>>2]=H[d+8>>2]&-2147483648|H[e+12>>2]&2147483647;H[d+8>>2]=H[d+8>>2]|-2147483648;H[d+4>>2]=g}while(1){if((a|0)!=(q|0)){F[b|0]=I[a|0];b=b+1|0;a=a+1|0;continue}break}F[e+7|0]=0;F[b|0]=I[e+7|0];ca=e+16|0;break J}Na();v()}ca=h+16|0;ca=o;H[f+32>>2]=m;L:{M:{a=c+20|0;d=H[a+4>>2];N:{if(!d){g=a+4|0;c=g;break N}b=I[m+11|0];c=b<<24>>24<0;e=c?H[m>>2]:m;b=c?H[m+4>>2]:b;while(1){c=d;d=I[c+27|0];g=d<<24>>24<0;d=g?H[c+20>>2]:d;o=d>>>0>>0;O:{P:{Q:{R:{h=o?d:b;S:{if(h){g=g?H[c+16>>2]:c+16|0;q=Fa(e,g,h);if(!q){if(b>>>0>>0){break S}break R}if((q|0)>=0){break R}break S}if(b>>>0>=d>>>0){break Q}}g=c;d=H[c>>2];if(d){continue}break N}d=Fa(g,e,h);if(d){break P}}if(o){break O}break M}if((d|0)>=0){break M}}d=H[c+4>>2];if(d){continue}break}g=c+4|0}d=pa(40);e=d+16|0;b=H[f+32>>2];T:{if(F[b+11|0]>=0){o=H[b+4>>2];H[e>>2]=H[b>>2];H[e+4>>2]=o;H[e+8>>2]=H[b+8>>2];break T}za(e,H[b>>2],H[b+4>>2])}H[d+8>>2]=c;H[d>>2]=0;H[d+4>>2]=0;H[d+36>>2]=0;H[d+28>>2]=0;H[d+32>>2]=0;H[g>>2]=d;c=d;b=H[H[a>>2]>>2];if(b){H[a>>2]=b;c=H[g>>2]}Sb(H[a+4>>2],c);H[a+8>>2]=H[a+8>>2]+1;a=1;break L}d=c;a=0}F[f+44|0]=a;H[f+40>>2]=d;a=H[f+40>>2];if(F[a+39|0]<0){oa(H[a+28>>2])}b=H[f+12>>2];H[a+28>>2]=H[f+8>>2];H[a+32>>2]=b;H[a+36>>2]=H[f+16>>2];ca=f+48|0;ca=l+48|0;if(F[m+11|0]<0){oa(H[m>>2])}ca=m+16|0}function Bd(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;j=H[b+8>>2];e=H[b+12>>2];g=H[b+20>>2];h=H[b+16>>2];k=h+4|0;g=k>>>0<4?g+1|0:g;a:{if(j>>>0>>0&(e|0)<=(g|0)|(e|0)<(g|0)){break a}h=h+H[b>>2]|0;H[a>>2]=I[h|0]|I[h+1|0]<<8|(I[h+2|0]<<16|I[h+3|0]<<24);h=H[b+20>>2];e=h;j=H[b+16>>2];g=j+4|0;h=g>>>0<4?e+1|0:e;H[b+16>>2]=g;H[b+20>>2]=h;if(K[a>>2]>32){break a}l=H[b+8>>2];k=H[b+12>>2];h=e;e=j+8|0;h=e>>>0<8?h+1|0:h;if(e>>>0>l>>>0&(h|0)>=(k|0)|(h|0)>(k|0)){break a}h=H[b>>2]+g|0;g=I[h|0]|I[h+1|0]<<8|(I[h+2|0]<<16|I[h+3|0]<<24);H[a+4>>2]=g;h=H[b+20>>2];e=H[b+16>>2]+4|0;h=e>>>0<4?h+1|0:h;H[b+16>>2]=e;H[b+20>>2]=h;if(!g){return 1}if(d>>>0>>0){break a}H[a+8>>2]=0;if(!ua(a+16|0,b)){break a}if(!ua(a+36|0,b)){break a}if(!ua(a+56|0,b)){break a}if(!ua(a+76|0,b)){break a}s=H[a+4>>2];h=c;b=0;g=0;e=ca-32|0;ca=e;d=a;a=H[a+12>>2];H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;b:{c:{if(a){if(a>>>0>=1073741824){break c}c=a<<2;b=pa(c);H[e+8>>2]=b;g=b+c|0;H[e+16>>2]=g;ra(b,0,c);H[e+12>>2]=g}c=H[d+120>>2];i=H[c>>2];if(i){H[c+4>>2]=i;oa(i);g=H[e+12>>2];b=H[e+8>>2];a=H[d+12>>2]}H[c+4>>2]=g;H[c>>2]=b;H[c+8>>2]=H[e+16>>2];b=0;H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;d:{if(a){if(a>>>0>=1073741824){break d}a=a<<2;f=pa(a);H[e+8>>2]=f;b=a+f|0;H[e+16>>2]=b;ra(f,0,a);H[e+12>>2]=b}a=H[d+132>>2];c=H[a>>2];if(c){H[a+4>>2]=c;oa(c);f=H[e+8>>2];b=H[e+12>>2]}H[a+4>>2]=b;H[a>>2]=f;H[a+8>>2]=H[e+16>>2];H[e+24>>2]=0;H[e+28>>2]=0;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;xa(e+8|0);a=H[e+24>>2]+H[e+28>>2]|0;b=(a>>>0)/341|0;a=H[H[e+12>>2]+(b<<2)>>2]+N(a-N(b,341)|0,12)|0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=s;c=1;a=H[e+28>>2]+1|0;H[e+28>>2]=a;e:{if(!a){break e}while(1){b=H[e+12>>2];f=H[e+24>>2];k=a-1|0;c=f+k|0;i=(c>>>0)/341|0;c=H[b+(i<<2)>>2]+N(c-N(i,341)|0,12)|0;g=H[c+8>>2];i=H[c+4>>2];j=H[c>>2];H[e+28>>2]=k;c=H[e+16>>2];if((((b|0)!=(c|0)?N(c-b>>2,341)-1|0:0)-(a+f|0)|0)+1>>>0>=682){oa(H[c-4>>2]);H[e+16>>2]=H[e+16>>2]-4}c=0;if(j>>>0>s>>>0){break e}b=H[d+12>>2];a=(b-1|0)!=(i|0)?i+1|0:0;if(a>>>0>=b>>>0){break e}f=N(g,12);o=f+H[d+132>>2]|0;k=f+H[d+120>>2]|0;i=H[d>>2];l=a<<2;m=H[l+H[o>>2]>>2];f:{g:{if((i|0)==(m|0)){if(!j){break g}o=0;b=H[h+20>>2];g=H[h+16>>2];if((b|0)==(g|0)){a=H[d+8>>2];H[h+28>>2]=j+H[h+28>>2];H[d+8>>2]=a+j;break g}while(1){c=(b|0)==(g|0);a=b;i=0;b=g;h:{if(c){break h}while(1){f=H[h+28>>2];b=a;c=N(i,20)+g|0;l=H[c>>2];if(!I[l+84|0]){f=H[H[l+68>>2]+(f<<2)>>2]}if(K[l+80>>2]<=f>>>0){break h}m=H[k>>2]+(H[c+4>>2]<<2)|0;g=H[c+12>>2];b=m;i:{if(g>>>0>3){break i}a=0;b=H[h+12>>2];if(!H[c+16>>2]){break i}while(1){b=qa(b,m+(a<<2)|0,g);g=H[c+12>>2];b=b+g|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[h+12>>2]}a=H[l+40>>2];qa(H[H[l>>2]>>2]+N(a,f)|0,b,a);i=i+1|0;a=H[h+20>>2];b=a;g=H[h+16>>2];if(i>>>0<(b-g|0)/20>>>0){continue}break}}H[h+28>>2]=H[h+28>>2]+1;H[d+8>>2]=H[d+8>>2]+1;o=o+1|0;if((j|0)!=(o|0)){continue}break}break g}j:{k:{l:{m:{if(j>>>0<=2){c=H[d+108>>2];H[c>>2]=a;f=1;b=H[d+12>>2];if(b>>>0>1){break m}break j}if(K[d+8>>2]>K[d+4>>2]){break e}b=H[d+120>>2];n=g+1|0;o=N(n,12);p=b+o|0;if((p|0)!=(k|0)){Aa(p,H[k>>2],H[k+4>>2]);b=H[d+120>>2]}b=l+H[b+o>>2]|0;H[b>>2]=H[b>>2]+(1<>2];m=32-i|0;n:{if((b|0)<=(m|0)){k=H[d+28>>2];if((k|0)==H[d+20>>2]){break l}m=H[k>>2];p=b+i|0;H[d+32>>2]=p;b=m<>>32-b|0;if((p|0)!=32){break n}H[d+32>>2]=0;H[d+28>>2]=k+4;break n}k=H[d+28>>2];p=k+4|0;if((p|0)==H[d+20>>2]){break l}r=H[k>>2];H[d+28>>2]=p;m=b-m|0;H[d+32>>2]=m;b=H[k+4>>2]>>>32-m|r<>>32-b}i=j>>>1|0;if(i>>>0>>0){break e}break k}while(1){a=(b-1|0)!=(a|0)?a+1|0:0;H[c+(f<<2)>>2]=a;b=H[d+12>>2];f=f+1|0;if(b>>>0>f>>>0){continue}break}break j}i=j>>>1|0;b=0}o:{p:{b=i-b|0;c=j-b|0;q:{if((c|0)==(b|0)){c=b;break q}i=H[d+88>>2];if((i|0)==H[d+80>>2]){break p}j=H[i>>2];k=H[d+92>>2];m=k+1|0;H[d+92>>2]=m;j=j&-2147483648>>>k;r:{if((m|0)==32){H[d+92>>2]=0;H[d+88>>2]=i+4;if(j){break r}break p}if(!j){break p}}}i=c;c=b;break o}i=b}b=H[d+132>>2];j=b+f|0;f=H[j>>2];k=f+l|0;H[k>>2]=H[k>>2]+1;Aa(b+o|0,f,H[j+4>>2]);if(c){b=H[e+28>>2]+H[e+24>>2]|0;j=H[e+16>>2];f=H[e+12>>2];if((b|0)==(((f|0)!=(j|0)?N(j-f>>2,341)-1|0:0)|0)){xa(e+8|0);f=H[e+12>>2];b=H[e+24>>2]+H[e+28>>2]|0}j=(b>>>0)/341|0;b=H[(j<<2)+f>>2]+N(b-N(j,341)|0,12)|0;H[b+8>>2]=g;H[b+4>>2]=a;H[b>>2]=c;H[e+28>>2]=H[e+28>>2]+1}if(!i){break g}b=H[e+28>>2]+H[e+24>>2]|0;c=H[e+16>>2];f=H[e+12>>2];if((b|0)==(((c|0)!=(f|0)?N(c-f>>2,341)-1|0:0)|0)){xa(e+8|0);f=H[e+12>>2];b=H[e+24>>2]+H[e+28>>2]|0}c=(b>>>0)/341|0;b=H[(c<<2)+f>>2]+N(b-N(c,341)|0,12)|0;H[b+8>>2]=n;H[b+4>>2]=a;H[b>>2]=i;a=H[e+28>>2]+1|0;H[e+28>>2]=a;break f}m=0;if(!j){break g}while(1){if(H[d+12>>2]){i=H[d+40>>2];p=H[o>>2];c=H[d+96>>2];r=H[d+108>>2];a=0;while(1){g=r+(a<<2)|0;H[c+(H[g>>2]<<2)>>2]=0;b=H[d>>2];f=H[g>>2]<<2;l=H[f+p>>2];s:{if((b|0)==(l|0)){break s}f=c+f|0;b=b-l|0;l=H[d+52>>2];q=32-l|0;if((b|0)<=(q|0)){n=H[d+48>>2];if((n|0)==(i|0)){c=0;break e}H[f>>2]=H[n>>2]<>>32-b;b=b+H[d+52>>2]|0;H[d+52>>2]=b;if((b|0)!=32){break s}H[d+52>>2]=0;H[d+48>>2]=n+4;break s}n=H[d+48>>2];t=n+4|0;if((i|0)==(t|0)){c=0;break e}u=H[n>>2];H[d+48>>2]=t;q=b-q|0;H[d+52>>2]=q;H[f>>2]=H[n+4>>2]>>>32-q|u<>>32-b}b=H[g>>2]<<2;g=b+c|0;H[g>>2]=H[g>>2]|H[b+H[k>>2]>>2];a=a+1|0;if(a>>>0>2]){continue}break}}i=0;a=H[h+16>>2];t:{if((a|0)==H[h+20>>2]){break t}while(1){f=H[h+28>>2];c=N(i,20)+a|0;l=H[c>>2];if(!I[l+84|0]){f=H[H[l+68>>2]+(f<<2)>>2]}if(K[l+80>>2]<=f>>>0){break t}n=H[d+96>>2]+(H[c+4>>2]<<2)|0;g=H[c+12>>2];b=n;u:{if(g>>>0>3){break u}a=0;b=H[h+12>>2];if(!H[c+16>>2]){break u}while(1){b=qa(b,n+(a<<2)|0,g);g=H[c+12>>2];b=b+g|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[h+12>>2]}a=H[l+40>>2];qa(H[H[l>>2]>>2]+N(a,f)|0,b,a);i=i+1|0;a=H[h+16>>2];if(i>>>0<(H[h+20>>2]-a|0)/20>>>0){continue}break}}H[h+28>>2]=H[h+28>>2]+1;H[d+8>>2]=H[d+8>>2]+1;m=m+1|0;if((j|0)!=(m|0)){continue}break}}a=H[e+28>>2]}if(a){continue}break}c=1}H[e+28>>2]=0;f=H[e+16>>2];a=H[e+12>>2];b=f-a|0;if(b>>>0>=9){while(1){oa(H[a>>2]);a=H[e+12>>2]+4|0;H[e+12>>2]=a;f=H[e+16>>2];b=f-a|0;if(b>>>0>8){continue}break}}g=170;v:{switch((b>>>2|0)-1|0){case 1:g=341;case 0:H[e+24>>2]=g;break;default:break v}}w:{if((a|0)==(f|0)){break w}while(1){oa(H[a>>2]);a=a+4|0;if((f|0)!=(a|0)){continue}break}a=H[e+16>>2];b=H[e+12>>2];if((a|0)==(b|0)){break w}H[e+16>>2]=a+((b-a|0)+3&-4)}a=H[e+8>>2];if(a){oa(a)}ca=e+32|0;break b}sa();v()}sa();v()}i=c}return i}function zd(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;j=H[b+8>>2];l=H[b+12>>2];k=H[b+20>>2];i=H[b+16>>2];f=i+4|0;k=f>>>0<4?k+1|0:k;a:{if(f>>>0>j>>>0&(k|0)>=(l|0)|(k|0)>(l|0)){break a}i=i+H[b>>2]|0;H[a>>2]=I[i|0]|I[i+1|0]<<8|(I[i+2|0]<<16|I[i+3|0]<<24);i=H[b+20>>2];j=i;f=H[b+16>>2];i=f+4|0;l=i>>>0<4?j+1|0:j;H[b+16>>2]=i;H[b+20>>2]=l;if(K[a>>2]>32){break a}l=H[b+8>>2];k=H[b+12>>2];f=f+8|0;j=f>>>0<8?j+1|0:j;if((k|0)<=(j|0)&f>>>0>l>>>0|(k|0)<(j|0)){break a}i=H[b>>2]+i|0;f=I[i|0]|I[i+1|0]<<8|(I[i+2|0]<<16|I[i+3|0]<<24);H[a+4>>2]=f;j=H[b+20>>2];i=H[b+16>>2]+4|0;j=i>>>0<4?j+1|0:j;H[b+16>>2]=i;H[b+20>>2]=j;if(!f){return 1}if(d>>>0>>0){break a}H[a+8>>2]=0;if(!ua(a+16|0,b)){break a}if(!ua(a+36|0,b)){break a}if(!ua(a+56|0,b)){break a}if(!ua(a+76|0,b)){break a}t=H[a+4>>2];i=c;b=0;c=0;e=ca-32|0;ca=e;f=a;a=H[a+12>>2];H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;b:{c:{if(a){if(a>>>0>=1073741824){break c}d=a<<2;b=pa(d);H[e+8>>2]=b;c=b+d|0;H[e+16>>2]=c;ra(b,0,d);H[e+12>>2]=c}g=H[f+120>>2];d=H[g>>2];if(d){H[g+4>>2]=d;oa(d);c=H[e+12>>2];b=H[e+8>>2];a=H[f+12>>2]}H[g+4>>2]=c;H[g>>2]=b;H[g+8>>2]=H[e+16>>2];b=0;H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;d:{if(a){if(a>>>0>=1073741824){break d}a=a<<2;h=pa(a);H[e+8>>2]=h;b=a+h|0;H[e+16>>2]=b;ra(h,0,a);H[e+12>>2]=b}c=H[f+132>>2];a=H[c>>2];if(a){H[c+4>>2]=a;oa(a);h=H[e+8>>2];b=H[e+12>>2]}H[c+4>>2]=b;H[c>>2]=h;H[c+8>>2]=H[e+16>>2];H[e+24>>2]=0;H[e+28>>2]=0;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;xa(e+8|0);b=H[e+24>>2]+H[e+28>>2]|0;a=(b>>>0)/341|0;a=H[H[e+12>>2]+(a<<2)>>2]+N(b-N(a,341)|0,12)|0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=t;d=1;a=H[e+28>>2]+1|0;H[e+28>>2]=a;e:{if(!a){break e}while(1){j=H[e+12>>2];g=H[e+24>>2];d=a-1|0;c=g+d|0;b=(c>>>0)/341|0;b=H[j+(b<<2)>>2]+N(c-N(b,341)|0,12)|0;n=H[b+8>>2];c=H[b+4>>2];m=H[b>>2];H[e+28>>2]=d;b=H[e+16>>2];if((((b|0)!=(j|0)?N(b-j>>2,341)-1|0:0)-(a+g|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[e+16>>2]=H[e+16>>2]-4}if(m>>>0>t>>>0){d=0;break e}d=0;b=H[f+12>>2];a=(c|0)!=(b-1|0)?c+1|0:0;if(a>>>0>=b>>>0){break e}b=H[f+120>>2];o=N(n,12);q=b+o|0;g=H[f>>2];h=a<<2;l=o+H[f+132>>2]|0;c=H[h+H[l>>2]>>2];f:{g:{if((g|0)==(c|0)){if(!m){break g}h=0;b=H[i+20>>2];c=H[i+16>>2];if((b|0)==(c|0)){a=H[f+8>>2];H[i+28>>2]=m+H[i+28>>2];H[f+8>>2]=a+m;break g}while(1){d=(b|0)==(c|0);a=b;g=0;b=c;h:{if(d){break h}while(1){d=H[i+28>>2];b=a;k=N(g,20)+c|0;l=H[k>>2];if(!I[l+84|0]){d=H[H[l+68>>2]+(d<<2)>>2]}if(K[l+80>>2]<=d>>>0){break h}j=H[q>>2]+(H[k+4>>2]<<2)|0;c=H[k+12>>2];b=j;i:{if(c>>>0>3){break i}a=0;b=H[i+12>>2];if(!H[k+16>>2]){break i}while(1){b=qa(b,j+(a<<2)|0,c);c=H[k+12>>2];b=b+c|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[i+12>>2]}a=H[l+40>>2];qa(H[H[l>>2]>>2]+N(a,d)|0,b,a);g=g+1|0;a=H[i+20>>2];b=a;c=H[i+16>>2];if(g>>>0<(b-c|0)/20>>>0){continue}break}}H[i+28>>2]=H[i+28>>2]+1;H[f+8>>2]=H[f+8>>2]+1;h=h+1|0;if((m|0)!=(h|0)){continue}break}break g}j:{k:{l:{m:{if(m>>>0<=2){c=H[f+108>>2];H[c>>2]=a;h=1;b=H[f+12>>2];if(b>>>0>1){break m}break j}if(K[f+8>>2]>K[f+4>>2]){break e}j=b;b=o+12|0;Aa(j+b|0,H[q>>2],H[q+4>>2]);b=h+H[b+H[f+120>>2]>>2]|0;H[b>>2]=H[b>>2]+(1<>2];g=32-l|0;n:{if((k|0)<=(g|0)){g=H[f+28>>2];if((g|0)==H[f+20>>2]){break l}c=H[g>>2];b=k+l|0;H[f+32>>2]=b;c=c<>>32-k|0;if((b|0)!=32){break n}H[f+32>>2]=0;H[f+28>>2]=g+4;break n}j=H[f+28>>2];b=j+4|0;if((b|0)==H[f+20>>2]){break l}c=H[j>>2];H[f+28>>2]=b;b=k-g|0;H[f+32>>2]=b;c=H[j+4>>2]>>>32-b|c<>>32-k}g=m>>>1|0;if(g>>>0>>0){break e}break k}while(1){a=(b-1|0)!=(a|0)?a+1|0:0;H[c+(h<<2)>>2]=a;b=H[f+12>>2];h=h+1|0;if(b>>>0>h>>>0){continue}break}break j}g=m>>>1|0;c=0}k=n+1|0;o:{p:{b=g-c|0;c=m-b|0;q:{if((c|0)==(b|0)){c=b;break q}l=H[f+88>>2];if((l|0)==H[f+80>>2]){break p}j=H[l>>2];g=H[f+92>>2];d=g+1|0;H[f+92>>2]=d;g=j&-2147483648>>>g;r:{if((d|0)==32){H[f+92>>2]=0;H[f+88>>2]=l+4;if(g){break r}break p}if(!g){break p}}}g=c;c=b;break o}g=b}l=H[f+132>>2];j=l+o|0;d=H[j>>2];b=d+h|0;H[b>>2]=H[b>>2]+1;Aa(l+N(k,12)|0,d,H[j+4>>2]);if(c){b=H[e+28>>2]+H[e+24>>2]|0;d=H[e+16>>2];h=H[e+12>>2];if((b|0)==(((d|0)!=(h|0)?N(d-h>>2,341)-1|0:0)|0)){xa(e+8|0);h=H[e+12>>2];b=H[e+24>>2]+H[e+28>>2]|0}d=(b>>>0)/341|0;b=H[(d<<2)+h>>2]+N(b-N(d,341)|0,12)|0;H[b+8>>2]=n;H[b+4>>2]=a;H[b>>2]=c;H[e+28>>2]=H[e+28>>2]+1}if(!g){break g}b=H[e+28>>2]+H[e+24>>2]|0;c=H[e+16>>2];h=H[e+12>>2];if((b|0)==(((c|0)!=(h|0)?N(c-h>>2,341)-1|0:0)|0)){xa(e+8|0);h=H[e+12>>2];b=H[e+24>>2]+H[e+28>>2]|0}c=(b>>>0)/341|0;b=H[(c<<2)+h>>2]+N(b-N(c,341)|0,12)|0;H[b+8>>2]=k;H[b+4>>2]=a;H[b>>2]=g;a=H[e+28>>2]+1|0;H[e+28>>2]=a;break f}r=0;if(!m){break g}while(1){if(H[f+12>>2]){u=H[f+40>>2];j=H[l>>2];s=H[f+96>>2];g=H[f+108>>2];a=0;while(1){n=(a<<2)+g|0;H[s+(H[n>>2]<<2)>>2]=0;d=H[f>>2];c=H[n>>2]<<2;b=H[c+j>>2];s:{if((d|0)==(b|0)){break s}o=c+s|0;p=d-b|0;h=H[f+52>>2];d=32-h|0;if((p|0)<=(d|0)){c=H[f+48>>2];if((c|0)==(u|0)){d=0;break e}H[o>>2]=H[c>>2]<>>32-p;b=p+H[f+52>>2]|0;H[f+52>>2]=b;if((b|0)!=32){break s}H[f+52>>2]=0;H[f+48>>2]=c+4;break s}k=H[f+48>>2];b=k+4|0;if((u|0)==(b|0)){d=0;break e}c=H[k>>2];H[f+48>>2]=b;b=p-d|0;H[f+52>>2]=b;H[o>>2]=H[k+4>>2]>>>32-b|c<>>32-p}c=H[n>>2]<<2;b=c+s|0;H[b>>2]=H[b>>2]|H[c+H[q>>2]>>2];a=a+1|0;if(a>>>0>2]){continue}break}}g=0;a=H[i+16>>2];t:{if((a|0)==H[i+20>>2]){break t}while(1){d=H[i+28>>2];h=N(g,20)+a|0;k=H[h>>2];if(!I[k+84|0]){d=H[H[k+68>>2]+(d<<2)>>2]}if(K[k+80>>2]<=d>>>0){break t}j=H[f+96>>2]+(H[h+4>>2]<<2)|0;c=H[h+12>>2];b=j;u:{if(c>>>0>3){break u}a=0;b=H[i+12>>2];if(!H[h+16>>2]){break u}while(1){b=qa(b,j+(a<<2)|0,c);c=H[h+12>>2];b=b+c|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[i+12>>2]}a=H[k+40>>2];qa(H[H[k>>2]>>2]+N(a,d)|0,b,a);g=g+1|0;a=H[i+16>>2];if(g>>>0<(H[i+20>>2]-a|0)/20>>>0){continue}break}}H[i+28>>2]=H[i+28>>2]+1;H[f+8>>2]=H[f+8>>2]+1;r=r+1|0;if((m|0)!=(r|0)){continue}break}}a=H[e+28>>2]}if(a){continue}break}d=1}H[e+28>>2]=0;h=H[e+16>>2];a=H[e+12>>2];b=h-a|0;if(b>>>0>=9){while(1){oa(H[a>>2]);a=H[e+12>>2]+4|0;H[e+12>>2]=a;h=H[e+16>>2];b=h-a|0;if(b>>>0>8){continue}break}}c=170;v:{switch((b>>>2|0)-1|0){case 1:c=341;case 0:H[e+24>>2]=c;break;default:break v}}w:{if((a|0)==(h|0)){break w}while(1){oa(H[a>>2]);a=a+4|0;if((h|0)!=(a|0)){continue}break}b=H[e+16>>2];a=H[e+12>>2];if((b|0)==(a|0)){break w}H[e+16>>2]=b+((a-b|0)+3&-4)}a=H[e+8>>2];if(a){oa(a)}ca=e+32|0;g=d;break b}sa();v()}sa();v()}}return g}function wd(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;i=H[b+8>>2];j=H[b+12>>2];n=H[b+20>>2];e=H[b+16>>2];h=e+4|0;n=h>>>0<4?n+1|0:n;a:{if(i>>>0>>0&(j|0)<=(n|0)|(j|0)<(n|0)){break a}e=e+H[b>>2]|0;H[a>>2]=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);e=H[b+20>>2];i=e;h=H[b+16>>2];e=h+4|0;j=e>>>0<4?i+1|0:i;H[b+16>>2]=e;H[b+20>>2]=j;if(K[a>>2]>32){break a}j=H[b+8>>2];n=H[b+12>>2];h=h+8|0;i=h>>>0<8?i+1|0:i;if(h>>>0>j>>>0&(i|0)>=(n|0)|(i|0)>(n|0)){break a}e=H[b>>2]+e|0;h=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[a+4>>2]=h;i=H[b+20>>2];e=H[b+16>>2]+4|0;i=e>>>0<4?i+1|0:i;H[b+16>>2]=e;H[b+20>>2]=i;if(!h){return 1}if(d>>>0>>0){break a}H[a+8>>2]=0;if(!sb(a+16|0,b)){break a}if(!ua(a+544|0,b)){break a}if(!ua(a+564|0,b)){break a}if(!ua(a+584|0,b)){break a}u=H[a+4>>2];d=c;b=0;c=0;f=ca-32|0;ca=f;g=a;a=H[a+12>>2];H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;b:{c:{if(a){if(a>>>0>=1073741824){break c}e=a<<2;b=pa(e);H[f+8>>2]=b;c=b+e|0;H[f+16>>2]=c;ra(b,0,e);H[f+12>>2]=c}h=H[g+628>>2];e=H[h>>2];if(e){H[h+4>>2]=e;oa(e);c=H[f+12>>2];b=H[f+8>>2];a=H[g+12>>2]}H[h+4>>2]=c;H[h>>2]=b;H[h+8>>2]=H[f+16>>2];b=0;H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;d:{if(a){if(a>>>0>=1073741824){break d}a=a<<2;k=pa(a);H[f+8>>2]=k;b=a+k|0;H[f+16>>2]=b;ra(k,0,a);H[f+12>>2]=b}c=H[g+640>>2];a=H[c>>2];if(a){H[c+4>>2]=a;oa(a);k=H[f+8>>2];b=H[f+12>>2]}H[c+4>>2]=b;H[c>>2]=k;H[c+8>>2]=H[f+16>>2];H[f+24>>2]=0;H[f+28>>2]=0;H[f+16>>2]=0;H[f+20>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;xa(f+8|0);b=H[f+24>>2]+H[f+28>>2]|0;a=(b>>>0)/341|0;a=H[H[f+12>>2]+(a<<2)>>2]+N(b-N(a,341)|0,12)|0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=u;c=1;a=H[f+28>>2]+1|0;H[f+28>>2]=a;e:{if(!a){break e}n=g+16|0;while(1){j=H[f+12>>2];h=H[f+24>>2];e=a-1|0;c=h+e|0;b=(c>>>0)/341|0;b=H[j+(b<<2)>>2]+N(c-N(b,341)|0,12)|0;q=H[b+8>>2];i=H[b+4>>2];o=H[b>>2];H[f+28>>2]=e;b=H[f+16>>2];if((((b|0)!=(j|0)?N(b-j>>2,341)-1|0:0)-(a+h|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[f+16>>2]=H[f+16>>2]-4}c=0;if(o>>>0>u>>>0){break e}a=H[g+12>>2];k=(i|0)!=(a-1|0)?i+1|0:0;if(k>>>0>=a>>>0){break e}p=N(q,12);w=p+H[g+640>>2]|0;r=p+H[g+628>>2]|0;h=H[g>>2];l=k<<2;e=H[l+H[w>>2]>>2];f:{g:{if((h|0)==(e|0)){if(!o){break g}c=H[d+16>>2];b=H[d+20>>2];m=0;while(1){e=(b|0)==(c|0);a=b;j=0;b=c;h:{if(e){break h}while(1){l=H[d+28>>2];b=a;i=N(j,20)+c|0;h=H[i>>2];if(!I[h+84|0]){l=H[H[h+68>>2]+(l<<2)>>2]}if(K[h+80>>2]<=l>>>0){break h}e=H[r>>2]+(H[i+4>>2]<<2)|0;c=H[i+12>>2];b=e;i:{if(c>>>0>3){break i}a=0;b=H[d+12>>2];if(!H[i+16>>2]){break i}while(1){b=qa(b,e+(a<<2)|0,c);c=H[i+12>>2];b=b+c|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[d+12>>2]}a=H[h+40>>2];qa(H[H[h>>2]>>2]+N(a,l)|0,b,a);a=H[d+20>>2];b=a;j=j+1|0;c=H[d+16>>2];if(j>>>0<(a-c|0)/20>>>0){continue}break}}H[d+28>>2]=H[d+28>>2]+1;H[g+8>>2]=H[g+8>>2]+1;m=m+1|0;if((o|0)!=(m|0)){continue}break}break g}j:{k:{l:{if(o>>>0<=2){c=H[g+616>>2];H[c>>2]=k;a=1;b=H[g+12>>2];if(b>>>0>1){break l}break j}if(K[g+8>>2]>K[g+4>>2]){break e}a=H[g+628>>2];j=q+1|0;m=N(j,12);b=a+m|0;if((b|0)!=(r|0)){Aa(b,H[r>>2],H[r+4>>2]);a=H[g+628>>2]}a=l+H[a+m>>2]|0;H[a>>2]=H[a>>2]+(1<>>1|0;break k}while(1){b=Ba((a<<4)+n|0)|b<<1;a=a+1|0;if((c|0)!=(a|0)){continue}break}a=o>>>1|0;if(b>>>0<=a>>>0){break k}c=0;break e}while(1){k=(b-1|0)!=(k|0)?k+1|0:0;H[c+(a<<2)>>2]=k;a=a+1|0;b=H[g+12>>2];if(a>>>0>>0){continue}break}break j}m:{n:{b=a-b|0;a=o-b|0;o:{if((a|0)==(b|0)){a=b;break o}i=H[g+596>>2];if((i|0)==H[g+588>>2]){break n}h=H[i>>2];e=H[g+600>>2];c=e+1|0;H[g+600>>2]=c;e=h&-2147483648>>>e;p:{if((c|0)==32){H[g+600>>2]=0;H[g+596>>2]=i+4;if(e){break p}break n}if(!e){break n}}}c=a;a=b;break m}c=b}i=H[g+640>>2];h=i+p|0;e=H[h>>2];b=e+l|0;H[b>>2]=H[b>>2]+1;Aa(i+m|0,e,H[h+4>>2]);if(a){m=H[f+28>>2]+H[f+24>>2]|0;e=H[f+16>>2];b=H[f+12>>2];if((m|0)==(((b|0)!=(e|0)?N(e-b>>2,341)-1|0:0)|0)){xa(f+8|0);m=H[f+24>>2]+H[f+28>>2]|0;e=H[f+12>>2]}else{e=b}b=(m>>>0)/341|0;b=H[e+(b<<2)>>2]+N(m-N(b,341)|0,12)|0;H[b+8>>2]=q;H[b+4>>2]=k;H[b>>2]=a;H[f+28>>2]=H[f+28>>2]+1}if(!c){break g}b=H[f+28>>2]+H[f+24>>2]|0;e=H[f+16>>2];a=H[f+12>>2];if((b|0)==(((a|0)!=(e|0)?N(e-a>>2,341)-1|0:0)|0)){xa(f+8|0);b=H[f+24>>2]+H[f+28>>2]|0;e=H[f+12>>2]}else{e=a}a=(b>>>0)/341|0;a=H[e+(a<<2)>>2]+N(b-N(a,341)|0,12)|0;H[a+8>>2]=j;H[a+4>>2]=k;H[a>>2]=c;a=H[f+28>>2]+1|0;H[f+28>>2]=a;break f}k=0;if(!o){break g}while(1){if(H[g+12>>2]){q=H[g+548>>2];i=H[w>>2];t=H[g+604>>2];h=H[g+616>>2];a=0;while(1){p=(a<<2)+h|0;H[t+(H[p>>2]<<2)>>2]=0;e=H[g>>2];c=H[p>>2]<<2;b=H[c+i>>2];q:{if((e|0)==(b|0)){break q}l=c+t|0;s=e-b|0;m=H[g+560>>2];e=32-m|0;if((s|0)<=(e|0)){c=H[g+556>>2];if((c|0)==(q|0)){c=0;break e}H[l>>2]=H[c>>2]<>>32-s;b=s+H[g+560>>2]|0;H[g+560>>2]=b;if((b|0)!=32){break q}H[g+560>>2]=0;H[g+556>>2]=c+4;break q}j=H[g+556>>2];b=j+4|0;if((q|0)==(b|0)){c=0;break e}c=H[j>>2];H[g+556>>2]=b;b=s-e|0;H[g+560>>2]=b;H[l>>2]=H[j+4>>2]>>>32-b|c<>>32-s}c=H[p>>2]<<2;b=c+t|0;H[b>>2]=H[b>>2]|H[c+H[r>>2]>>2];a=a+1|0;if(a>>>0>2]){continue}break}}j=0;a=H[d+16>>2];r:{if((a|0)==H[d+20>>2]){break r}while(1){l=H[d+28>>2];i=N(j,20)+a|0;h=H[i>>2];if(!I[h+84|0]){l=H[H[h+68>>2]+(l<<2)>>2]}if(K[h+80>>2]<=l>>>0){break r}e=H[g+604>>2]+(H[i+4>>2]<<2)|0;c=H[i+12>>2];b=e;s:{if(c>>>0>3){break s}a=0;b=H[d+12>>2];if(!H[i+16>>2]){break s}while(1){b=qa(b,e+(a<<2)|0,c);c=H[i+12>>2];b=b+c|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[d+12>>2]}a=H[h+40>>2];qa(H[H[h>>2]>>2]+N(a,l)|0,b,a);j=j+1|0;a=H[d+16>>2];if(j>>>0<(H[d+20>>2]-a|0)/20>>>0){continue}break}}H[d+28>>2]=H[d+28>>2]+1;H[g+8>>2]=H[g+8>>2]+1;k=k+1|0;if((o|0)!=(k|0)){continue}break}}a=H[f+28>>2]}if(a){continue}break}c=1}H[f+28>>2]=0;k=H[f+16>>2];a=H[f+12>>2];b=k-a|0;if(b>>>0>=9){while(1){oa(H[a>>2]);a=H[f+12>>2]+4|0;H[f+12>>2]=a;k=H[f+16>>2];b=k-a|0;if(b>>>0>8){continue}break}}d=170;t:{switch((b>>>2|0)-1|0){case 1:d=341;case 0:H[f+24>>2]=d;break;default:break t}}u:{if((a|0)==(k|0)){break u}while(1){oa(H[a>>2]);a=a+4|0;if((k|0)!=(a|0)){continue}break}b=H[f+16>>2];a=H[f+12>>2];if((b|0)==(a|0)){break u}H[f+16>>2]=b+((a-b|0)+3&-4)}a=H[f+8>>2];if(a){oa(a)}ca=f+32|0;break b}sa();v()}sa();v()}g=c}return g}function ud(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;i=H[b+8>>2];k=H[b+12>>2];o=H[b+20>>2];e=H[b+16>>2];h=e+4|0;o=h>>>0<4?o+1|0:o;a:{if(i>>>0>>0&(k|0)<=(o|0)|(k|0)<(o|0)){break a}e=e+H[b>>2]|0;H[a>>2]=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);e=H[b+20>>2];i=e;h=H[b+16>>2];e=h+4|0;k=e>>>0<4?i+1|0:i;H[b+16>>2]=e;H[b+20>>2]=k;if(K[a>>2]>32){break a}k=H[b+8>>2];o=H[b+12>>2];h=h+8|0;i=h>>>0<8?i+1|0:i;if(h>>>0>k>>>0&(i|0)>=(o|0)|(i|0)>(o|0)){break a}e=H[b>>2]+e|0;h=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[a+4>>2]=h;i=H[b+20>>2];e=H[b+16>>2]+4|0;i=e>>>0<4?i+1|0:i;H[b+16>>2]=e;H[b+20>>2]=i;if(!h){return 1}if(d>>>0>>0){break a}H[a+8>>2]=0;if(!sb(a+16|0,b)){break a}if(!ua(a+544|0,b)){break a}if(!ua(a+564|0,b)){break a}if(!ua(a+584|0,b)){break a}w=H[a+4>>2];d=c;b=0;c=0;f=ca-32|0;ca=f;g=a;a=H[a+12>>2];H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;b:{c:{if(a){if(a>>>0>=1073741824){break c}e=a<<2;b=pa(e);H[f+8>>2]=b;c=b+e|0;H[f+16>>2]=c;ra(b,0,e);H[f+12>>2]=c}h=H[g+628>>2];e=H[h>>2];if(e){H[h+4>>2]=e;oa(e);c=H[f+12>>2];b=H[f+8>>2];a=H[g+12>>2]}H[h+4>>2]=c;H[h>>2]=b;H[h+8>>2]=H[f+16>>2];b=0;H[f+16>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;d:{if(a){if(a>>>0>=1073741824){break d}a=a<<2;j=pa(a);H[f+8>>2]=j;b=a+j|0;H[f+16>>2]=b;ra(j,0,a);H[f+12>>2]=b}c=H[g+640>>2];a=H[c>>2];if(a){H[c+4>>2]=a;oa(a);j=H[f+8>>2];b=H[f+12>>2]}H[c+4>>2]=b;H[c>>2]=j;H[c+8>>2]=H[f+16>>2];H[f+24>>2]=0;H[f+28>>2]=0;H[f+16>>2]=0;H[f+20>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;xa(f+8|0);b=H[f+24>>2]+H[f+28>>2]|0;a=(b>>>0)/341|0;a=H[H[f+12>>2]+(a<<2)>>2]+N(b-N(a,341)|0,12)|0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=w;c=1;a=H[f+28>>2]+1|0;H[f+28>>2]=a;e:{if(!a){break e}o=g+16|0;while(1){i=H[f+12>>2];h=H[f+24>>2];e=a-1|0;c=h+e|0;b=(c>>>0)/341|0;b=H[i+(b<<2)>>2]+N(c-N(b,341)|0,12)|0;q=H[b+8>>2];n=H[b>>2];H[f+28>>2]=e;b=H[f+16>>2];if((((b|0)!=(i|0)?N(b-i>>2,341)-1|0:0)-(a+h|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[f+16>>2]=H[f+16>>2]-4}c=0;if(n>>>0>w>>>0){break e}a=H[g+628>>2];p=N(q,12);t=p+H[g+640>>2]|0;j=Vd(g,n,t);if(j>>>0>=K[g+12>>2]){break e}r=a+p|0;h=H[g>>2];l=j<<2;e=H[l+H[t>>2]>>2];f:{g:{if((h|0)==(e|0)){if(!n){break g}c=H[d+16>>2];b=H[d+20>>2];m=0;while(1){e=(b|0)==(c|0);a=b;k=0;b=c;h:{if(e){break h}while(1){l=H[d+28>>2];b=a;i=N(k,20)+c|0;h=H[i>>2];if(!I[h+84|0]){l=H[H[h+68>>2]+(l<<2)>>2]}if(K[h+80>>2]<=l>>>0){break h}e=H[r>>2]+(H[i+4>>2]<<2)|0;c=H[i+12>>2];b=e;i:{if(c>>>0>3){break i}a=0;b=H[d+12>>2];if(!H[i+16>>2]){break i}while(1){b=qa(b,e+(a<<2)|0,c);c=H[i+12>>2];b=b+c|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[d+12>>2]}a=H[h+40>>2];qa(H[H[h>>2]>>2]+N(a,l)|0,b,a);a=H[d+20>>2];b=a;k=k+1|0;c=H[d+16>>2];if(k>>>0<(a-c|0)/20>>>0){continue}break}}H[d+28>>2]=H[d+28>>2]+1;H[g+8>>2]=H[g+8>>2]+1;m=m+1|0;if((n|0)!=(m|0)){continue}break}break g}j:{k:{l:{if(n>>>0<=2){c=H[g+616>>2];H[c>>2]=j;a=1;b=H[g+12>>2];if(b>>>0>1){break l}break j}if(K[g+8>>2]>K[g+4>>2]){break e}a=H[g+628>>2];k=q+1|0;m=N(k,12);b=a+m|0;if((b|0)!=(r|0)){Aa(b,H[r>>2],H[r+4>>2]);a=H[g+628>>2]}a=l+H[a+m>>2]|0;H[a>>2]=H[a>>2]+(1<>>1|0;break k}while(1){b=Ba((a<<4)+o|0)|b<<1;a=a+1|0;if((c|0)!=(a|0)){continue}break}a=n>>>1|0;if(b>>>0<=a>>>0){break k}c=0;break e}while(1){j=(b-1|0)!=(j|0)?j+1|0:0;H[c+(a<<2)>>2]=j;a=a+1|0;b=H[g+12>>2];if(a>>>0>>0){continue}break}break j}m:{n:{b=a-b|0;a=n-b|0;o:{if((a|0)==(b|0)){a=b;break o}i=H[g+596>>2];if((i|0)==H[g+588>>2]){break n}h=H[i>>2];e=H[g+600>>2];c=e+1|0;H[g+600>>2]=c;e=h&-2147483648>>>e;p:{if((c|0)==32){H[g+600>>2]=0;H[g+596>>2]=i+4;if(e){break p}break n}if(!e){break n}}}c=a;a=b;break m}c=b}i=H[g+640>>2];h=i+p|0;e=H[h>>2];b=e+l|0;H[b>>2]=H[b>>2]+1;Aa(i+m|0,e,H[h+4>>2]);if(a){m=H[f+28>>2]+H[f+24>>2]|0;e=H[f+16>>2];b=H[f+12>>2];if((m|0)==(((b|0)!=(e|0)?N(e-b>>2,341)-1|0:0)|0)){xa(f+8|0);m=H[f+24>>2]+H[f+28>>2]|0;e=H[f+12>>2]}else{e=b}b=(m>>>0)/341|0;b=H[e+(b<<2)>>2]+N(m-N(b,341)|0,12)|0;H[b+8>>2]=q;H[b+4>>2]=j;H[b>>2]=a;H[f+28>>2]=H[f+28>>2]+1}if(!c){break g}b=H[f+28>>2]+H[f+24>>2]|0;e=H[f+16>>2];a=H[f+12>>2];if((b|0)==(((a|0)!=(e|0)?N(e-a>>2,341)-1|0:0)|0)){xa(f+8|0);b=H[f+24>>2]+H[f+28>>2]|0;e=H[f+12>>2]}else{e=a}a=(b>>>0)/341|0;a=H[e+(a<<2)>>2]+N(b-N(a,341)|0,12)|0;H[a+8>>2]=k;H[a+4>>2]=j;H[a>>2]=c;a=H[f+28>>2]+1|0;H[f+28>>2]=a;break f}j=0;if(!n){break g}while(1){if(H[g+12>>2]){q=H[g+548>>2];i=H[t>>2];u=H[g+604>>2];h=H[g+616>>2];a=0;while(1){p=(a<<2)+h|0;H[u+(H[p>>2]<<2)>>2]=0;e=H[g>>2];c=H[p>>2]<<2;b=H[c+i>>2];q:{if((e|0)==(b|0)){break q}l=c+u|0;s=e-b|0;m=H[g+560>>2];e=32-m|0;if((s|0)<=(e|0)){c=H[g+556>>2];if((c|0)==(q|0)){c=0;break e}H[l>>2]=H[c>>2]<>>32-s;b=s+H[g+560>>2]|0;H[g+560>>2]=b;if((b|0)!=32){break q}H[g+560>>2]=0;H[g+556>>2]=c+4;break q}k=H[g+556>>2];b=k+4|0;if((q|0)==(b|0)){c=0;break e}c=H[k>>2];H[g+556>>2]=b;b=s-e|0;H[g+560>>2]=b;H[l>>2]=H[k+4>>2]>>>32-b|c<>>32-s}c=H[p>>2]<<2;b=c+u|0;H[b>>2]=H[b>>2]|H[c+H[r>>2]>>2];a=a+1|0;if(a>>>0>2]){continue}break}}k=0;a=H[d+16>>2];r:{if((a|0)==H[d+20>>2]){break r}while(1){l=H[d+28>>2];i=N(k,20)+a|0;h=H[i>>2];if(!I[h+84|0]){l=H[H[h+68>>2]+(l<<2)>>2]}if(K[h+80>>2]<=l>>>0){break r}e=H[g+604>>2]+(H[i+4>>2]<<2)|0;c=H[i+12>>2];b=e;s:{if(c>>>0>3){break s}a=0;b=H[d+12>>2];if(!H[i+16>>2]){break s}while(1){b=qa(b,e+(a<<2)|0,c);c=H[i+12>>2];b=b+c|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[d+12>>2]}a=H[h+40>>2];qa(H[H[h>>2]>>2]+N(a,l)|0,b,a);k=k+1|0;a=H[d+16>>2];if(k>>>0<(H[d+20>>2]-a|0)/20>>>0){continue}break}}H[d+28>>2]=H[d+28>>2]+1;H[g+8>>2]=H[g+8>>2]+1;j=j+1|0;if((n|0)!=(j|0)){continue}break}}a=H[f+28>>2]}if(a){continue}break}c=1}H[f+28>>2]=0;j=H[f+16>>2];a=H[f+12>>2];b=j-a|0;if(b>>>0>=9){while(1){oa(H[a>>2]);a=H[f+12>>2]+4|0;H[f+12>>2]=a;j=H[f+16>>2];b=j-a|0;if(b>>>0>8){continue}break}}d=170;t:{switch((b>>>2|0)-1|0){case 1:d=341;case 0:H[f+24>>2]=d;break;default:break t}}u:{if((a|0)==(j|0)){break u}while(1){oa(H[a>>2]);a=a+4|0;if((j|0)!=(a|0)){continue}break}b=H[f+16>>2];a=H[f+12>>2];if((b|0)==(a|0)){break u}H[f+16>>2]=b+((a-b|0)+3&-4)}a=H[f+8>>2];if(a){oa(a)}ca=f+32|0;break b}sa();v()}sa();v()}g=c}return g}function vd(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;i=H[b+8>>2];k=H[b+12>>2];m=H[b+20>>2];f=H[b+16>>2];h=f+4|0;m=h>>>0<4?m+1|0:m;a:{if(i>>>0>>0&(k|0)<=(m|0)|(k|0)<(m|0)){break a}f=f+H[b>>2]|0;H[a>>2]=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);f=H[b+20>>2];i=f;h=H[b+16>>2];f=h+4|0;k=f>>>0<4?i+1|0:i;H[b+16>>2]=f;H[b+20>>2]=k;if(K[a>>2]>32){break a}k=H[b+8>>2];m=H[b+12>>2];h=h+8|0;i=h>>>0<8?i+1|0:i;if(h>>>0>k>>>0&(i|0)>=(m|0)|(i|0)>(m|0)){break a}f=f+H[b>>2]|0;h=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[a+4>>2]=h;i=H[b+20>>2];f=H[b+16>>2]+4|0;i=f>>>0<4?i+1|0:i;H[b+16>>2]=f;H[b+20>>2]=i;if(!h){return 1}if(d>>>0>>0){break a}H[a+8>>2]=0;if(!sb(a+16|0,b)){break a}if(!ua(a+544|0,b)){break a}if(!ua(a+564|0,b)){break a}if(!ua(a+584|0,b)){break a}u=H[a+4>>2];b=0;e=ca-32|0;ca=e;f=a;a=H[a+12>>2];H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;b:{c:{if(a){if(a>>>0>=1073741824){break c}d=a<<2;b=pa(d);H[e+8>>2]=b;g=b+d|0;H[e+16>>2]=g;ra(b,0,d);H[e+12>>2]=g}h=H[f+628>>2];d=H[h>>2];if(d){H[h+4>>2]=d;oa(d);g=H[e+12>>2];b=H[e+8>>2];a=H[f+12>>2]}H[h+4>>2]=g;H[h>>2]=b;H[h+8>>2]=H[e+16>>2];b=0;H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;d:{if(a){if(a>>>0>=1073741824){break d}a=a<<2;j=pa(a);H[e+8>>2]=j;b=a+j|0;H[e+16>>2]=b;ra(j,0,a);H[e+12>>2]=b}d=H[f+640>>2];a=H[d>>2];if(a){H[d+4>>2]=a;oa(a);j=H[e+8>>2];b=H[e+12>>2]}H[d+4>>2]=b;H[d>>2]=j;H[d+8>>2]=H[e+16>>2];H[e+24>>2]=0;H[e+28>>2]=0;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;xa(e+8|0);b=H[e+24>>2]+H[e+28>>2]|0;a=(b>>>0)/341|0;a=H[H[e+12>>2]+(a<<2)>>2]+N(b-N(a,341)|0,12)|0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=u;d=1;a=H[e+28>>2]+1|0;H[e+28>>2]=a;e:{if(!a){break e}m=f+16|0;while(1){k=H[e+12>>2];h=H[e+24>>2];g=a-1|0;d=h+g|0;b=(d>>>0)/341|0;b=H[k+(b<<2)>>2]+N(d-N(b,341)|0,12)|0;q=H[b+8>>2];i=H[b+4>>2];n=H[b>>2];H[e+28>>2]=g;b=H[e+16>>2];if((((b|0)!=(k|0)?N(b-k>>2,341)-1|0:0)-(a+h|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[e+16>>2]=H[e+16>>2]-4}if(n>>>0>u>>>0){d=0;break e}d=0;a=H[f+12>>2];j=(i|0)!=(a-1|0)?i+1|0:0;if(j>>>0>=a>>>0){break e}a=H[f+628>>2];o=N(q,12);s=a+o|0;g=H[f>>2];l=j<<2;k=o+H[f+640>>2]|0;b=H[l+H[k>>2]>>2];f:{g:{if((g|0)==(b|0)){if(!n){break g}g=H[c+16>>2];b=H[c+20>>2];p=0;while(1){d=(b|0)==(g|0);a=b;j=0;b=g;h:{if(d){break h}while(1){d=H[c+28>>2];b=a;k=N(j,20)+g|0;i=H[k>>2];if(!I[i+84|0]){d=H[H[i+68>>2]+(d<<2)>>2]}if(K[i+80>>2]<=d>>>0){break h}h=H[s>>2]+(H[k+4>>2]<<2)|0;g=H[k+12>>2];b=h;i:{if(g>>>0>3){break i}a=0;b=H[c+12>>2];if(!H[k+16>>2]){break i}while(1){b=qa(b,h+(a<<2)|0,g);g=H[k+12>>2];b=b+g|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[c+12>>2]}a=H[i+40>>2];qa(H[H[i>>2]>>2]+N(a,d)|0,b,a);a=H[c+20>>2];b=a;j=j+1|0;g=H[c+16>>2];if(j>>>0<(a-g|0)/20>>>0){continue}break}}H[c+28>>2]=H[c+28>>2]+1;H[f+8>>2]=H[f+8>>2]+1;p=p+1|0;if((p|0)!=(n|0)){continue}break}break g}j:{k:{l:{if(n>>>0<=2){d=H[f+616>>2];H[d>>2]=j;a=1;b=H[f+12>>2];if(b>>>0>1){break l}break j}if(K[f+8>>2]>K[f+4>>2]){break e}d=a;a=o+12|0;Aa(d+a|0,H[s>>2],H[s+4>>2]);a=l+H[a+H[f+628>>2]>>2]|0;H[a>>2]=H[a>>2]+(1<>>1|0;break k}while(1){b=Ba((a<<4)+m|0)|b<<1;a=a+1|0;if((d|0)!=(a|0)){continue}break}a=n>>>1|0;if(b>>>0<=a>>>0){break k}d=0;break e}while(1){j=(b-1|0)!=(j|0)?j+1|0:0;H[d+(a<<2)>>2]=j;a=a+1|0;b=H[f+12>>2];if(a>>>0>>0){continue}break}break j}k=q+1|0;m:{n:{b=a-b|0;a=n-b|0;o:{if((a|0)==(b|0)){a=b;break o}i=H[f+596>>2];if((i|0)==H[f+588>>2]){break n}h=H[i>>2];g=H[f+600>>2];d=g+1|0;H[f+600>>2]=d;g=h&-2147483648>>>g;p:{if((d|0)==32){H[f+600>>2]=0;H[f+596>>2]=i+4;if(g){break p}break n}if(!g){break n}}}d=a;a=b;break m}d=b}i=H[f+640>>2];h=i+o|0;g=H[h>>2];b=g+l|0;H[b>>2]=H[b>>2]+1;Aa(i+N(k,12)|0,g,H[h+4>>2]);if(a){h=H[e+28>>2]+H[e+24>>2]|0;g=H[e+16>>2];b=H[e+12>>2];if((h|0)==(((b|0)!=(g|0)?N(g-b>>2,341)-1|0:0)|0)){xa(e+8|0);h=H[e+24>>2]+H[e+28>>2]|0;g=H[e+12>>2]}else{g=b}b=(h>>>0)/341|0;b=H[g+(b<<2)>>2]+N(h-N(b,341)|0,12)|0;H[b+8>>2]=q;H[b+4>>2]=j;H[b>>2]=a;H[e+28>>2]=H[e+28>>2]+1}if(!d){break g}b=H[e+28>>2]+H[e+24>>2]|0;g=H[e+16>>2];a=H[e+12>>2];if((b|0)==(((a|0)!=(g|0)?N(g-a>>2,341)-1|0:0)|0)){xa(e+8|0);b=H[e+24>>2]+H[e+28>>2]|0;g=H[e+12>>2]}else{g=a}a=(b>>>0)/341|0;a=H[g+(a<<2)>>2]+N(b-N(a,341)|0,12)|0;H[a+8>>2]=k;H[a+4>>2]=j;H[a>>2]=d;a=H[e+28>>2]+1|0;H[e+28>>2]=a;break f}p=0;if(!n){break g}while(1){if(H[f+12>>2]){w=H[f+548>>2];i=H[k>>2];t=H[f+604>>2];h=H[f+616>>2];a=0;while(1){j=h+(a<<2)|0;H[(H[j>>2]<<2)+t>>2]=0;g=H[f>>2];d=H[j>>2]<<2;b=H[d+i>>2];q:{if((g|0)==(b|0)){break q}q=d+t|0;r=g-b|0;o=H[f+560>>2];g=32-o|0;if((r|0)<=(g|0)){d=H[f+556>>2];if((d|0)==(w|0)){d=0;break e}H[q>>2]=H[d>>2]<>>32-r;b=H[f+560>>2]+r|0;H[f+560>>2]=b;if((b|0)!=32){break q}H[f+560>>2]=0;H[f+556>>2]=d+4;break q}l=H[f+556>>2];b=l+4|0;if((b|0)==(w|0)){d=0;break e}d=H[l>>2];H[f+556>>2]=b;b=r-g|0;H[f+560>>2]=b;H[q>>2]=H[l+4>>2]>>>32-b|d<>>32-r}d=H[j>>2]<<2;b=d+t|0;H[b>>2]=H[b>>2]|H[d+H[s>>2]>>2];a=a+1|0;if(a>>>0>2]){continue}break}}j=0;a=H[c+16>>2];r:{if((a|0)==H[c+20>>2]){break r}while(1){d=H[c+28>>2];l=N(j,20)+a|0;i=H[l>>2];if(!I[i+84|0]){d=H[H[i+68>>2]+(d<<2)>>2]}if(K[i+80>>2]<=d>>>0){break r}h=H[f+604>>2]+(H[l+4>>2]<<2)|0;g=H[l+12>>2];b=h;s:{if(g>>>0>3){break s}a=0;b=H[c+12>>2];if(!H[l+16>>2]){break s}while(1){b=qa(b,h+(a<<2)|0,g);g=H[l+12>>2];b=b+g|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[c+12>>2]}a=H[i+40>>2];qa(H[H[i>>2]>>2]+N(a,d)|0,b,a);j=j+1|0;a=H[c+16>>2];if(j>>>0<(H[c+20>>2]-a|0)/20>>>0){continue}break}}H[c+28>>2]=H[c+28>>2]+1;H[f+8>>2]=H[f+8>>2]+1;p=p+1|0;if((p|0)!=(n|0)){continue}break}}a=H[e+28>>2]}if(a){continue}break}d=1}H[e+28>>2]=0;j=H[e+16>>2];a=H[e+12>>2];b=j-a|0;if(b>>>0>=9){while(1){oa(H[a>>2]);a=H[e+12>>2]+4|0;H[e+12>>2]=a;j=H[e+16>>2];b=j-a|0;if(b>>>0>8){continue}break}}g=170;t:{switch((b>>>2|0)-1|0){case 1:g=341;case 0:H[e+24>>2]=g;break;default:break t}}u:{if((a|0)==(j|0)){break u}while(1){oa(H[a>>2]);a=a+4|0;if((j|0)!=(a|0)){continue}break}b=H[e+16>>2];a=H[e+12>>2];if((b|0)==(a|0)){break u}H[e+16>>2]=b+((a-b|0)+3&-4)}a=H[e+8>>2];if(a){oa(a)}ca=e+32|0;break b}sa();v()}sa();v()}g=d}return g}function yd(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;j=H[b+8>>2];e=H[b+12>>2];g=H[b+20>>2];h=H[b+16>>2];l=h+4|0;g=l>>>0<4?g+1|0:g;a:{if(j>>>0>>0&(e|0)<=(g|0)|(e|0)<(g|0)){break a}h=h+H[b>>2]|0;H[a>>2]=I[h|0]|I[h+1|0]<<8|(I[h+2|0]<<16|I[h+3|0]<<24);h=H[b+20>>2];e=h;j=H[b+16>>2];g=j+4|0;h=g>>>0<4?e+1|0:e;H[b+16>>2]=g;H[b+20>>2]=h;if(K[a>>2]>32){break a}k=H[b+8>>2];l=H[b+12>>2];h=e;e=j+8|0;h=e>>>0<8?h+1|0:h;if(e>>>0>k>>>0&(h|0)>=(l|0)|(h|0)>(l|0)){break a}h=H[b>>2]+g|0;g=I[h|0]|I[h+1|0]<<8|(I[h+2|0]<<16|I[h+3|0]<<24);H[a+4>>2]=g;h=H[b+20>>2];e=H[b+16>>2]+4|0;h=e>>>0<4?h+1|0:h;H[b+16>>2]=e;H[b+20>>2]=h;if(!g){return 1}if(d>>>0>>0){break a}H[a+8>>2]=0;if(!ta(a+16|0,b)){break a}if(!ua(a+32|0,b)){break a}if(!ua(a+52|0,b)){break a}if(!ua(a+72|0,b)){break a}r=H[a+4>>2];h=c;b=0;g=0;e=ca-32|0;ca=e;d=a;a=H[a+12>>2];H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;b:{c:{if(a){if(a>>>0>=1073741824){break c}c=a<<2;b=pa(c);H[e+8>>2]=b;g=b+c|0;H[e+16>>2]=g;ra(b,0,c);H[e+12>>2]=g}c=H[d+116>>2];i=H[c>>2];if(i){H[c+4>>2]=i;oa(i);g=H[e+12>>2];b=H[e+8>>2];a=H[d+12>>2]}H[c+4>>2]=g;H[c>>2]=b;H[c+8>>2]=H[e+16>>2];b=0;H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;d:{if(a){if(a>>>0>=1073741824){break d}a=a<<2;f=pa(a);H[e+8>>2]=f;b=a+f|0;H[e+16>>2]=b;ra(f,0,a);H[e+12>>2]=b}a=H[d+128>>2];c=H[a>>2];if(c){H[a+4>>2]=c;oa(c);f=H[e+8>>2];b=H[e+12>>2]}H[a+4>>2]=b;H[a>>2]=f;H[a+8>>2]=H[e+16>>2];H[e+24>>2]=0;H[e+28>>2]=0;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;xa(e+8|0);a=H[e+24>>2]+H[e+28>>2]|0;b=(a>>>0)/341|0;a=H[H[e+12>>2]+(b<<2)>>2]+N(a-N(b,341)|0,12)|0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=r;c=1;a=H[e+28>>2]+1|0;H[e+28>>2]=a;e:{if(!a){break e}t=d+16|0;while(1){b=H[e+12>>2];f=H[e+24>>2];l=a-1|0;c=f+l|0;i=(c>>>0)/341|0;c=H[b+(i<<2)>>2]+N(c-N(i,341)|0,12)|0;g=H[c+8>>2];i=H[c+4>>2];j=H[c>>2];H[e+28>>2]=l;c=H[e+16>>2];if((((b|0)!=(c|0)?N(c-b>>2,341)-1|0:0)-(a+f|0)|0)+1>>>0>=682){oa(H[c-4>>2]);H[e+16>>2]=H[e+16>>2]-4}c=0;if(j>>>0>r>>>0){break e}b=H[d+12>>2];a=(b-1|0)!=(i|0)?i+1|0:0;if(a>>>0>=b>>>0){break e}f=N(g,12);o=f+H[d+128>>2]|0;l=f+H[d+116>>2]|0;i=H[d>>2];k=a<<2;n=H[k+H[o>>2]>>2];f:{if((i|0)==(n|0)){if(!j){break f}o=0;b=H[h+20>>2];g=H[h+16>>2];if((b|0)==(g|0)){a=H[d+8>>2];H[h+28>>2]=j+H[h+28>>2];H[d+8>>2]=a+j;break f}while(1){c=(b|0)==(g|0);a=b;i=0;b=g;g:{if(c){break g}while(1){f=H[h+28>>2];b=a;c=N(i,20)+g|0;k=H[c>>2];if(!I[k+84|0]){f=H[H[k+68>>2]+(f<<2)>>2]}if(K[k+80>>2]<=f>>>0){break g}n=H[l>>2]+(H[c+4>>2]<<2)|0;g=H[c+12>>2];b=n;h:{if(g>>>0>3){break h}a=0;b=H[h+12>>2];if(!H[c+16>>2]){break h}while(1){b=qa(b,n+(a<<2)|0,g);g=H[c+12>>2];b=b+g|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[h+12>>2]}a=H[k+40>>2];qa(H[H[k>>2]>>2]+N(a,f)|0,b,a);i=i+1|0;a=H[h+20>>2];b=a;g=H[h+16>>2];if(i>>>0<(b-g|0)/20>>>0){continue}break}}H[h+28>>2]=H[h+28>>2]+1;H[d+8>>2]=H[d+8>>2]+1;o=o+1|0;if((j|0)!=(o|0)){continue}break}break f}i:{j:{k:{l:{if(j>>>0<=2){c=H[d+104>>2];H[c>>2]=a;f=1;b=H[d+12>>2];if(b>>>0>1){break l}break i}if(K[d+8>>2]>K[d+4>>2]){break e}b=H[d+116>>2];m=g+1|0;o=N(m,12);q=b+o|0;if((q|0)!=(l|0)){Aa(q,H[l>>2],H[l+4>>2]);b=H[d+116>>2]}b=k+H[b+o>>2]|0;H[b>>2]=H[b>>2]+(1<>2]=0;pc(t,Q(j)^31,e+4|0);b=j>>>1|0;i=H[e+4>>2];if(b>>>0>>0){break e}b=b-i|0;c=j-b|0;m:{if((c|0)==(b|0)){c=b;break m}i=H[d+84>>2];if((i|0)==H[d+76>>2]){break k}j=H[i>>2];l=H[d+88>>2];n=l+1|0;H[d+88>>2]=n;j=j&-2147483648>>>l;n:{if((n|0)==32){H[d+88>>2]=0;H[d+84>>2]=i+4;if(j){break n}break k}if(!j){break k}}}i=c;c=b;break j}while(1){a=(b-1|0)!=(a|0)?a+1|0:0;H[c+(f<<2)>>2]=a;b=H[d+12>>2];f=f+1|0;if(b>>>0>f>>>0){continue}break}break i}i=b}b=H[d+128>>2];j=b+f|0;f=H[j>>2];l=f+k|0;H[l>>2]=H[l>>2]+1;Aa(b+o|0,f,H[j+4>>2]);if(c){b=H[e+28>>2]+H[e+24>>2]|0;j=H[e+16>>2];f=H[e+12>>2];if((b|0)==(((f|0)!=(j|0)?N(j-f>>2,341)-1|0:0)|0)){xa(e+8|0);f=H[e+12>>2];b=H[e+24>>2]+H[e+28>>2]|0}j=(b>>>0)/341|0;b=H[(j<<2)+f>>2]+N(b-N(j,341)|0,12)|0;H[b+8>>2]=g;H[b+4>>2]=a;H[b>>2]=c;H[e+28>>2]=H[e+28>>2]+1}if(!i){break f}b=H[e+28>>2]+H[e+24>>2]|0;c=H[e+16>>2];f=H[e+12>>2];if((b|0)==(((c|0)!=(f|0)?N(c-f>>2,341)-1|0:0)|0)){xa(e+8|0);f=H[e+12>>2];b=H[e+24>>2]+H[e+28>>2]|0}c=(b>>>0)/341|0;b=H[(c<<2)+f>>2]+N(b-N(c,341)|0,12)|0;H[b+8>>2]=m;H[b+4>>2]=a;H[b>>2]=i;H[e+28>>2]=H[e+28>>2]+1;break f}n=0;if(!j){break f}while(1){if(H[d+12>>2]){i=H[d+36>>2];q=H[o>>2];c=H[d+92>>2];u=H[d+104>>2];a=0;while(1){g=(a<<2)+u|0;H[c+(H[g>>2]<<2)>>2]=0;b=H[d>>2];f=H[g>>2]<<2;k=H[f+q>>2];o:{if((b|0)==(k|0)){break o}f=c+f|0;b=b-k|0;k=H[d+48>>2];p=32-k|0;if((b|0)<=(p|0)){m=H[d+44>>2];if((m|0)==(i|0)){c=0;break e}H[f>>2]=H[m>>2]<>>32-b;b=b+H[d+48>>2]|0;H[d+48>>2]=b;if((b|0)!=32){break o}H[d+48>>2]=0;H[d+44>>2]=m+4;break o}m=H[d+44>>2];s=m+4|0;if((i|0)==(s|0)){c=0;break e}w=H[m>>2];H[d+44>>2]=s;p=b-p|0;H[d+48>>2]=p;H[f>>2]=H[m+4>>2]>>>32-p|w<>>32-b}b=H[g>>2]<<2;g=b+c|0;H[g>>2]=H[g>>2]|H[b+H[l>>2]>>2];a=a+1|0;if(a>>>0>2]){continue}break}}i=0;a=H[h+16>>2];p:{if((a|0)==H[h+20>>2]){break p}while(1){f=H[h+28>>2];c=N(i,20)+a|0;k=H[c>>2];if(!I[k+84|0]){f=H[H[k+68>>2]+(f<<2)>>2]}if(K[k+80>>2]<=f>>>0){break p}m=H[d+92>>2]+(H[c+4>>2]<<2)|0;g=H[c+12>>2];b=m;q:{if(g>>>0>3){break q}a=0;b=H[h+12>>2];if(!H[c+16>>2]){break q}while(1){b=qa(b,m+(a<<2)|0,g);g=H[c+12>>2];b=b+g|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[h+12>>2]}a=H[k+40>>2];qa(H[H[k>>2]>>2]+N(a,f)|0,b,a);i=i+1|0;a=H[h+16>>2];if(i>>>0<(H[h+20>>2]-a|0)/20>>>0){continue}break}}H[h+28>>2]=H[h+28>>2]+1;H[d+8>>2]=H[d+8>>2]+1;n=n+1|0;if((j|0)!=(n|0)){continue}break}}a=H[e+28>>2];if(a){continue}break}c=1}H[e+28>>2]=0;f=H[e+16>>2];a=H[e+12>>2];b=f-a|0;if(b>>>0>=9){while(1){oa(H[a>>2]);a=H[e+12>>2]+4|0;H[e+12>>2]=a;f=H[e+16>>2];b=f-a|0;if(b>>>0>8){continue}break}}g=170;r:{switch((b>>>2|0)-1|0){case 1:g=341;case 0:H[e+24>>2]=g;break;default:break r}}s:{if((a|0)==(f|0)){break s}while(1){oa(H[a>>2]);a=a+4|0;if((f|0)!=(a|0)){continue}break}a=H[e+16>>2];b=H[e+12>>2];if((a|0)==(b|0)){break s}H[e+16>>2]=a+((b-a|0)+3&-4)}a=H[e+8>>2];if(a){oa(a)}ca=e+32|0;break b}sa();v()}sa();v()}i=c}return i}function xd(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;i=H[b+8>>2];k=H[b+12>>2];n=H[b+20>>2];h=H[b+16>>2];f=h+4|0;n=f>>>0<4?n+1|0:n;a:{if((k|0)<=(n|0)&f>>>0>i>>>0|(k|0)<(n|0)){break a}h=h+H[b>>2]|0;H[a>>2]=I[h|0]|I[h+1|0]<<8|(I[h+2|0]<<16|I[h+3|0]<<24);h=H[b+20>>2];i=h;f=H[b+16>>2];h=f+4|0;k=h>>>0<4?i+1|0:i;H[b+16>>2]=h;H[b+20>>2]=k;if(K[a>>2]>32){break a}k=H[b+8>>2];n=H[b+12>>2];f=f+8|0;i=f>>>0<8?i+1|0:i;if(f>>>0>k>>>0&(i|0)>=(n|0)|(i|0)>(n|0)){break a}h=H[b>>2]+h|0;f=I[h|0]|I[h+1|0]<<8|(I[h+2|0]<<16|I[h+3|0]<<24);H[a+4>>2]=f;i=H[b+20>>2];h=H[b+16>>2]+4|0;i=h>>>0<4?i+1|0:i;H[b+16>>2]=h;H[b+20>>2]=i;if(!f){return 1}if(d>>>0>>0){break a}H[a+8>>2]=0;if(!ta(a+16|0,b)){break a}if(!ua(a+32|0,b)){break a}if(!ua(a+52|0,b)){break a}if(!ua(a+72|0,b)){break a}u=H[a+4>>2];h=c;b=0;c=0;e=ca-32|0;ca=e;f=a;a=H[a+12>>2];H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;b:{c:{if(a){if(a>>>0>=1073741824){break c}d=a<<2;b=pa(d);H[e+8>>2]=b;c=b+d|0;H[e+16>>2]=c;ra(b,0,d);H[e+12>>2]=c}j=H[f+116>>2];d=H[j>>2];if(d){H[j+4>>2]=d;oa(d);c=H[e+12>>2];b=H[e+8>>2];a=H[f+12>>2]}H[j+4>>2]=c;H[j>>2]=b;H[j+8>>2]=H[e+16>>2];b=0;H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;d:{if(a){if(a>>>0>=1073741824){break d}a=a<<2;g=pa(a);H[e+8>>2]=g;b=a+g|0;H[e+16>>2]=b;ra(g,0,a);H[e+12>>2]=b}c=H[f+128>>2];a=H[c>>2];if(a){H[c+4>>2]=a;oa(a);g=H[e+8>>2];b=H[e+12>>2]}H[c+4>>2]=b;H[c>>2]=g;H[c+8>>2]=H[e+16>>2];H[e+24>>2]=0;H[e+28>>2]=0;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;xa(e+8|0);b=H[e+24>>2]+H[e+28>>2]|0;a=(b>>>0)/341|0;a=H[H[e+12>>2]+(a<<2)>>2]+N(b-N(a,341)|0,12)|0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=u;d=1;a=H[e+28>>2]+1|0;H[e+28>>2]=a;e:{if(!a){break e}n=f+16|0;while(1){i=H[e+12>>2];j=H[e+24>>2];d=a-1|0;c=j+d|0;b=(c>>>0)/341|0;b=H[i+(b<<2)>>2]+N(c-N(b,341)|0,12)|0;o=H[b+8>>2];c=H[b+4>>2];m=H[b>>2];H[e+28>>2]=d;b=H[e+16>>2];if((((b|0)!=(i|0)?N(b-i>>2,341)-1|0:0)-(a+j|0)|0)+1>>>0>=682){oa(H[b-4>>2]);H[e+16>>2]=H[e+16>>2]-4}if(m>>>0>u>>>0){d=0;break e}d=0;b=H[f+12>>2];a=(c|0)!=(b-1|0)?c+1|0:0;if(a>>>0>=b>>>0){break e}b=H[f+116>>2];p=N(o,12);r=b+p|0;j=H[f>>2];g=a<<2;k=p+H[f+128>>2]|0;c=H[g+H[k>>2]>>2];f:{if((j|0)==(c|0)){if(!m){break f}b=H[h+20>>2];c=H[h+16>>2];if((b|0)==(c|0)){a=H[f+8>>2];H[h+28>>2]=m+H[h+28>>2];H[f+8>>2]=a+m;break f}while(1){i=(b|0)==(c|0);a=b;j=0;b=c;g:{if(i){break g}while(1){g=H[h+28>>2];b=a;l=N(j,20)+c|0;k=H[l>>2];if(!I[k+84|0]){g=H[H[k+68>>2]+(g<<2)>>2]}if(K[k+80>>2]<=g>>>0){break g}i=H[r>>2]+(H[l+4>>2]<<2)|0;c=H[l+12>>2];b=i;h:{if(c>>>0>3){break h}a=0;b=H[h+12>>2];if(!H[l+16>>2]){break h}while(1){b=qa(b,i+(a<<2)|0,c);c=H[l+12>>2];b=b+c|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[h+12>>2]}a=H[k+40>>2];qa(H[H[k>>2]>>2]+N(a,g)|0,b,a);j=j+1|0;a=H[h+20>>2];b=a;c=H[h+16>>2];if(j>>>0<(b-c|0)/20>>>0){continue}break}}H[h+28>>2]=H[h+28>>2]+1;H[f+8>>2]=H[f+8>>2]+1;d=d+1|0;if((m|0)!=(d|0)){continue}break}break f}i:{j:{k:{l:{if(m>>>0<=2){c=H[f+104>>2];H[c>>2]=a;g=1;b=H[f+12>>2];if(b>>>0>1){break l}break i}if(K[f+8>>2]>K[f+4>>2]){break e}i=b;b=p+12|0;Aa(i+b|0,H[r>>2],H[r+4>>2]);b=g+H[b+H[f+116>>2]>>2]|0;H[b>>2]=H[b>>2]+(1<>2]=0;pc(n,Q(m)^31,e+4|0);c=m>>>1|0;b=H[e+4>>2];if(c>>>0>>0){break e}l=o+1|0;b=c-b|0;c=m-b|0;m:{if((c|0)==(b|0)){c=b;break m}k=H[f+84>>2];if((k|0)==H[f+76>>2]){break k}i=H[k>>2];j=H[f+88>>2];d=j+1|0;H[f+88>>2]=d;j=i&-2147483648>>>j;n:{if((d|0)==32){H[f+88>>2]=0;H[f+84>>2]=k+4;if(j){break n}break k}if(!j){break k}}}j=c;c=b;break j}while(1){a=(b-1|0)!=(a|0)?a+1|0:0;H[c+(g<<2)>>2]=a;b=H[f+12>>2];g=g+1|0;if(b>>>0>g>>>0){continue}break}break i}j=b}k=H[f+128>>2];i=k+p|0;d=H[i>>2];b=d+g|0;H[b>>2]=H[b>>2]+1;Aa(k+N(l,12)|0,d,H[i+4>>2]);if(c){b=H[e+28>>2]+H[e+24>>2]|0;d=H[e+16>>2];g=H[e+12>>2];if((b|0)==(((d|0)!=(g|0)?N(d-g>>2,341)-1|0:0)|0)){xa(e+8|0);g=H[e+12>>2];b=H[e+24>>2]+H[e+28>>2]|0}d=(b>>>0)/341|0;b=H[(d<<2)+g>>2]+N(b-N(d,341)|0,12)|0;H[b+8>>2]=o;H[b+4>>2]=a;H[b>>2]=c;H[e+28>>2]=H[e+28>>2]+1}if(!j){break f}b=H[e+28>>2]+H[e+24>>2]|0;c=H[e+16>>2];g=H[e+12>>2];if((b|0)==(((c|0)!=(g|0)?N(c-g>>2,341)-1|0:0)|0)){xa(e+8|0);g=H[e+12>>2];b=H[e+24>>2]+H[e+28>>2]|0}c=(b>>>0)/341|0;b=H[(c<<2)+g>>2]+N(b-N(c,341)|0,12)|0;H[b+8>>2]=l;H[b+4>>2]=a;H[b>>2]=j;H[e+28>>2]=H[e+28>>2]+1;break f}s=0;if(!m){break f}while(1){if(H[f+12>>2]){w=H[f+36>>2];i=H[k>>2];t=H[f+92>>2];j=H[f+104>>2];a=0;while(1){o=(a<<2)+j|0;H[t+(H[o>>2]<<2)>>2]=0;d=H[f>>2];c=H[o>>2]<<2;b=H[c+i>>2];o:{if((d|0)==(b|0)){break o}p=c+t|0;q=d-b|0;g=H[f+48>>2];d=32-g|0;if((q|0)<=(d|0)){c=H[f+44>>2];if((c|0)==(w|0)){d=0;break e}H[p>>2]=H[c>>2]<>>32-q;b=q+H[f+48>>2]|0;H[f+48>>2]=b;if((b|0)!=32){break o}H[f+48>>2]=0;H[f+44>>2]=c+4;break o}l=H[f+44>>2];b=l+4|0;if((w|0)==(b|0)){d=0;break e}c=H[l>>2];H[f+44>>2]=b;b=q-d|0;H[f+48>>2]=b;H[p>>2]=H[l+4>>2]>>>32-b|c<>>32-q}c=H[o>>2]<<2;b=c+t|0;H[b>>2]=H[b>>2]|H[c+H[r>>2]>>2];a=a+1|0;if(a>>>0>2]){continue}break}}j=0;a=H[h+16>>2];p:{if((a|0)==H[h+20>>2]){break p}while(1){g=H[h+28>>2];l=N(j,20)+a|0;i=H[l>>2];if(!I[i+84|0]){g=H[H[i+68>>2]+(g<<2)>>2]}if(K[i+80>>2]<=g>>>0){break p}d=H[f+92>>2]+(H[l+4>>2]<<2)|0;c=H[l+12>>2];b=d;q:{if(c>>>0>3){break q}a=0;b=H[h+12>>2];if(!H[l+16>>2]){break q}while(1){b=qa(b,d+(a<<2)|0,c);c=H[l+12>>2];b=b+c|0;a=a+1|0;if(a>>>0>2]){continue}break}b=H[h+12>>2]}a=H[i+40>>2];qa(H[H[i>>2]>>2]+N(a,g)|0,b,a);j=j+1|0;a=H[h+16>>2];if(j>>>0<(H[h+20>>2]-a|0)/20>>>0){continue}break}}H[h+28>>2]=H[h+28>>2]+1;H[f+8>>2]=H[f+8>>2]+1;s=s+1|0;if((m|0)!=(s|0)){continue}break}}a=H[e+28>>2];if(a){continue}break}d=1}H[e+28>>2]=0;g=H[e+16>>2];a=H[e+12>>2];b=g-a|0;if(b>>>0>=9){while(1){oa(H[a>>2]);a=H[e+12>>2]+4|0;H[e+12>>2]=a;g=H[e+16>>2];b=g-a|0;if(b>>>0>8){continue}break}}c=170;r:{switch((b>>>2|0)-1|0){case 1:c=341;case 0:H[e+24>>2]=c;break;default:break r}}s:{if((a|0)==(g|0)){break s}while(1){oa(H[a>>2]);a=a+4|0;if((g|0)!=(a|0)){continue}break}b=H[e+16>>2];a=H[e+12>>2];if((b|0)==(a|0)){break s}H[e+16>>2]=b+((a-b|0)+3&-4)}a=H[e+8>>2];if(a){oa(a)}ca=e+32|0;j=d;break b}sa();v()}sa();v()}}return j}function $c(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;h=ca-32|0;ca=h;g=H[H[a+4>>2]+44>>2];c=H[a+8>>2];d=H[c>>2];c=H[c+4>>2];H[h+24>>2]=0;H[h+16>>2]=0;H[h+20>>2]=0;d=(c-d>>2>>>0)/3|0;c=H[g+96>>2];f=(H[g+100>>2]-c|0)/12|0;a:{if(d>>>0>f>>>0){e=d-f|0;i=H[g+104>>2];c=H[g+100>>2];if(e>>>0<=(i-c|0)/12>>>0){b:{if(!e){break b}d=c;f=N(e,12)-12|0;i=((f>>>0)/12|0)+1&3;if(i){while(1){l=H[h+20>>2];H[d>>2]=H[h+16>>2];H[d+4>>2]=l;H[d+8>>2]=H[h+24>>2];d=d+12|0;j=j+1|0;if((i|0)!=(j|0)){continue}break}}c=N(e,12)+c|0;if(f>>>0<36){break b}while(1){f=H[h+20>>2];H[d>>2]=H[h+16>>2];H[d+4>>2]=f;H[d+8>>2]=H[h+24>>2];H[d+20>>2]=H[h+24>>2];f=H[h+20>>2];H[d+12>>2]=H[h+16>>2];H[d+16>>2]=f;H[d+32>>2]=H[h+24>>2];f=H[h+20>>2];H[d+24>>2]=H[h+16>>2];H[d+28>>2]=f;f=H[h+20>>2];H[d+36>>2]=H[h+16>>2];H[d+40>>2]=f;H[d+44>>2]=H[h+24>>2];d=d+48|0;if((d|0)!=(c|0)){continue}break}}H[g+100>>2]=c;break a}c:{f=H[g+96>>2];n=(c-f|0)/12|0;d=n+e|0;if(d>>>0<357913942){f=(i-f|0)/12|0;i=f<<1;i=f>>>0>=178956970?357913941:d>>>0>>0?i:d;if(i){if(i>>>0>=357913942){break c}l=pa(N(i,12))}f=N(n,12)+l|0;d=f;e=N(e,12);n=e-12|0;q=((n>>>0)/12|0)+1&3;if(q){while(1){r=H[h+20>>2];H[d>>2]=H[h+16>>2];H[d+4>>2]=r;H[d+8>>2]=H[h+24>>2];d=d+12|0;j=j+1|0;if((q|0)!=(j|0)){continue}break}}e=e+f|0;if(n>>>0>=36){while(1){j=H[h+20>>2];H[d>>2]=H[h+16>>2];H[d+4>>2]=j;H[d+8>>2]=H[h+24>>2];H[d+20>>2]=H[h+24>>2];j=H[h+20>>2];H[d+12>>2]=H[h+16>>2];H[d+16>>2]=j;H[d+32>>2]=H[h+24>>2];j=H[h+20>>2];H[d+24>>2]=H[h+16>>2];H[d+28>>2]=j;j=H[h+20>>2];H[d+36>>2]=H[h+16>>2];H[d+40>>2]=j;H[d+44>>2]=H[h+24>>2];d=d+48|0;if((e|0)!=(d|0)){continue}break}}j=H[g+96>>2];if((j|0)!=(c|0)){while(1){c=c-12|0;n=H[c+4>>2];f=f-12|0;d=f;H[d>>2]=H[c>>2];H[d+4>>2]=n;H[d+8>>2]=H[c+8>>2];if((c|0)!=(j|0)){continue}break}c=H[g+96>>2]}H[g+104>>2]=N(i,12)+l;H[g+100>>2]=e;H[g+96>>2]=f;if(c){oa(c)}break a}sa();v()}wa();v()}if(d>>>0>=f>>>0){break a}H[g+100>>2]=c+N(d,12)}d:{if(H[a+216>>2]==H[a+220>>2]){j=H[a+4>>2];c=H[j+44>>2];d=H[c+100>>2];f=H[c+96>>2];if((d|0)!=(f|0)){c=(d-f|0)/12|0;o=c>>>0<=1?1:c;c=0;while(1){d=H[a+8>>2];i=f+N(c,12)|0;g=N(c,3);e:{f:{if((g|0)==-1){e=H[(H[d>>2]+(g<<2)|0)+4>>2];k=-1;g=1;break f}e=-1;k=H[H[d>>2]+(g<<2)>>2];l=g+1|0;if((l|0)==-1){g=0;break f}e=H[H[d>>2]+(l<<2)>>2];g=g+2|0;m=-1;if((g|0)==-1){break e}}m=H[H[d>>2]+(g<<2)>>2]}H[i+8>>2]=m;H[i+4>>2]=e;H[i>>2]=k;c=c+1|0;if((o|0)!=(c|0)){continue}break}}H[H[j+4>>2]+80>>2]=b;c=1;break d}d=0;H[h+24>>2]=0;H[h+16>>2]=0;H[h+20>>2]=0;l=H[a+8>>2];c=H[l>>2];g=H[l+4>>2];H[h+8>>2]=0;H[h>>2]=0;H[h+4>>2]=0;b=0;g:{h:{i:{j:{k:{l:{if((c|0)!=(g|0)){c=g-c|0;if((c|0)<0){break l}b=pa(c);H[h>>2]=b;H[h+8>>2]=(c&-4)+b;u=h,w=ra(b,0,c)+c|0,H[u+4>>2]=w}c=H[l+24>>2];if((H[l+28>>2]-c|0)<4){break h}f=0;while(1){g=H[(p<<2)+c>>2];m:{if((g|0)==-1){break m}n:{if(H[H[a+120>>2]+(p>>>3&536870908)>>2]>>>p&1){break n}n=H[a+216>>2];c=H[a+220>>2];if((n|0)==(c|0)){break n}e=g+2|0;i=(g>>>0)%3|0;q=i?g-1|0:e;c=(c-n|0)/144|0;r=c>>>0<=1?1:c;j=0;t=(i|0)!=0|(e|0)!=-1;while(1){s=g<<2;i=N(j,144)+n|0;c=H[s+H[H[i+68>>2]>>2]>>2];o:{if(!(H[H[i+16>>2]+(c>>>3&536870908)>>2]>>>c&1)){break o}c=-1;p:{if(!t){break p}e=H[H[l+12>>2]+(q<<2)>>2];c=-1;if((e|0)==-1){break p}c=e-1|0;if((e>>>0)%3|0){break p}c=e+2|0}if((g|0)==(c|0)){break o}e=s;s=H[i+32>>2];i=H[e+s>>2];while(1){e=0;if((c|0)==-1){break g}if((i|0)!=H[s+(c<<2)>>2]){g=c;break n}q:{r:{if((c>>>0)%3|0){e=c-1|0;break r}e=c+2|0;m=-1;if((e|0)==-1){break q}}c=H[H[l+12>>2]+(e<<2)>>2];m=-1;if((c|0)==-1){break q}m=c-1|0;if((c>>>0)%3|0){break q}m=c+2|0}c=m;if((g|0)!=(c|0)){continue}break}}j=j+1|0;if((r|0)!=(j|0)){continue}break}}i=k-f|0;e=i>>2;H[(g<<2)+b>>2]=e;s:{if(k>>>0>>0){H[k>>2]=g;k=k+4|0;H[h+20>>2]=k;break s}c=e+1|0;if(c>>>0>=1073741824){break k}d=o-f|0;k=d>>>1|0;c=d>>>0>=2147483644?1073741823:c>>>0>>0?k:c;if(c){if(c>>>0>=1073741824){break j}d=pa(c<<2)}else{d=0}e=d+(e<<2)|0;H[e>>2]=g;m=c<<2;c=va(d,f,i);o=m+c|0;H[h+24>>2]=o;k=e+4|0;H[h+20>>2]=k;H[h+16>>2]=c;if(f){oa(f);l=H[a+8>>2]}f=c}if((g|0)==-1){break m}t:{if((g>>>0)%3|0){c=g-1|0;break t}c=g+2|0;if((c|0)==-1){break m}}c=H[H[l+12>>2]+(c<<2)>>2];if((c|0)==-1){break m}c=c+((c>>>0)%3|0?-1:2)|0;if((c|0)==-1){break m}e=g;if((c|0)==(g|0)){break m}while(1){i=c;u:{v:{c=H[a+220>>2];j=H[a+216>>2];if((c|0)==(j|0)){break v}c=(c-j|0)/144|0;n=c>>>0<=1?1:c;c=0;while(1){q=H[(j+N(c,144)|0)+32>>2];r=i<<2;if(H[q+r>>2]==H[q+(e<<2)>>2]){c=c+1|0;if((n|0)!=(c|0)){continue}break v}break}j=k-d|0;e=j>>2;H[b+r>>2]=e;if(k>>>0>>0){H[k>>2]=i;k=k+4|0;H[h+20>>2]=k;f=d;break u}c=e+1|0;if(c>>>0>=1073741824){break i}f=o-d|0;k=f>>>1|0;c=f>>>0>=2147483644?1073741823:c>>>0>>0?k:c;if(c){if(c>>>0>=1073741824){break j}f=pa(c<<2)}else{f=0}e=f+(e<<2)|0;H[e>>2]=i;m=c<<2;c=va(f,d,j);o=m+c|0;H[h+24>>2]=o;k=e+4|0;H[h+20>>2]=k;H[h+16>>2]=c;if(!d){d=c;break u}oa(d);l=H[a+8>>2];d=c;break u}H[(i<<2)+b>>2]=H[(e<<2)+b>>2]}if((i|0)==-1){break m}w:{if((i>>>0)%3|0){c=i-1|0;break w}c=i+2|0;if((c|0)==-1){break m}}c=H[H[l+12>>2]+(c<<2)>>2];if((c|0)==-1){break m}c=c+((c>>>0)%3|0?-1:2)|0;if((c|0)==-1){break m}e=i;if((c|0)!=(g|0)){continue}break}}p=p+1|0;c=H[l+24>>2];if((p|0)>2]-c>>2){continue}break}break h}sa();v()}sa();v()}wa();v()}sa();v()}i=H[a+4>>2];a=H[i+44>>2];c=H[a+100>>2];a=H[a+96>>2];x:{if((c|0)==(a|0)){break x}g=(c-a|0)/12|0;f=g>>>0<=1?1:g;l=f&1;c=0;if(g>>>0>=2){j=f&-2;g=0;while(1){e=N(c,12);f=e+b|0;o=H[f>>2];p=H[f+4>>2];e=a+e|0;H[e+8>>2]=H[f+8>>2];H[e>>2]=o;H[e+4>>2]=p;e=N(c|1,12);f=e+b|0;o=H[f>>2];p=H[f+4>>2];e=a+e|0;H[e+8>>2]=H[f+8>>2];H[e>>2]=o;H[e+4>>2]=p;c=c+2|0;g=g+2|0;if((j|0)!=(g|0)){continue}break}}if(!l){break x}g=N(c,12);c=g+b|0;f=H[c>>2];e=H[c+4>>2];a=a+g|0;H[a+8>>2]=H[c+8>>2];H[a>>2]=f;H[a+4>>2]=e}H[H[i+4>>2]+80>>2]=k-d>>2;e=1}c=e;if(b){oa(b)}if(!d){break d}H[h+20>>2]=d;oa(d)}ca=h+32|0;return c}function Fj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,I=0,J=0,K=0,L=0,M=0,O=0,P=0;g=ca+-64|0;ca=g;H[a+8>>2]=e;y=a+32|0;f=H[y>>2];d=H[a+36>>2]-f>>2;a:{b:{if(d>>>0>>0){ya(y,e-d|0);H[g+56>>2]=0;H[g+60>>2]=0;H[g+48>>2]=0;H[g+52>>2]=0;H[g+40>>2]=0;H[g+44>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;H[g+24>>2]=0;H[g+28>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;H[g>>2]=0;break b}if(d>>>0>e>>>0){H[a+36>>2]=f+(e<<2)}H[g+56>>2]=0;H[g+60>>2]=0;H[g+48>>2]=0;H[g+52>>2]=0;H[g+40>>2]=0;H[g+44>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;H[g+24>>2]=0;H[g+28>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;H[g>>2]=0;d=0;if(!e){break a}}Pa(g+16|0,e,g);h=H[g+28>>2];d=H[g+32>>2]}H[g>>2]=0;d=d-h>>2;c:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break c}H[g+32>>2]=(e<<2)+h;break c}Pa(g+16|12,e-d|0,g)}H[g>>2]=0;f=H[g+40>>2];d=H[g+44>>2]-f>>2;d:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break d}H[g+44>>2]=f+(e<<2);break d}Pa(g+40|0,e-d|0,g)}H[g>>2]=0;f=H[g+52>>2];d=H[g+56>>2]-f>>2;e:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break e}H[g+56>>2]=f+(e<<2);break e}Pa(g+52|0,e-d|0,g)}f:{if(H[a+8>>2]<=0){break f}i=H[g+16>>2];j=H[a+32>>2];h=0;while(1){d=h<<2;f=H[d+i>>2];m=H[a+16>>2];g:{if((f|0)>(m|0)){H[d+j>>2]=m;break g}d=d+j|0;m=H[a+12>>2];if((m|0)>(f|0)){H[d>>2]=m;break g}H[d>>2]=f}h=h+1|0;d=H[a+8>>2];if((h|0)<(d|0)){continue}break}if((d|0)<=0){break f}d=0;while(1){i=d<<2;f=i+c|0;i=H[b+i>>2]+H[j+i>>2]|0;H[f>>2]=i;h:{if((i|0)>H[a+16>>2]){i=i-H[a+20>>2]|0}else{if((i|0)>=H[a+12>>2]){break h}i=i+H[a+20>>2]|0}H[f>>2]=i}d=d+1|0;if((d|0)>2]){continue}break}}G=H[a+52>>2];t=H[a+48>>2];z=pa(16);d=z;H[d>>2]=0;H[d+4>>2]=0;H[d+8>>2]=0;H[d+12>>2]=0;H[g+8>>2]=0;H[g>>2]=0;H[g+4>>2]=0;i:{if(e){if(e>>>0>=1073741824){break i}d=e<<2;r=pa(d);H[g>>2]=r;H[g+8>>2]=d+r;ra(r,0,d)}A=1;d=H[a+56>>2];B=H[d>>2];d=H[d+4>>2]-B|0;j:{if((d|0)<8){break j}w=d>>2;I=(w|0)<=2?2:w;J=w>>>0<=1?1:w;C=e&-2;D=e&1;K=e&-4;E=e&3;F=e-1|0;L=e<<2;M=e>>>0<4;A=0;m=1;while(1){k:{l:{m:{n:{if((m|0)!=(J|0)){o:{p:{f=H[(m<<2)+B>>2];if((f|0)==-1){break p}k=1;d=f+2|0;j=(f>>>0)%3|0;x=j?f-1|0:d;s=1<>2];O=n+(x>>>3&536870908)|0;i=0;P=(j|0)!=0|(d|0)!=-1;d=f;q:{while(1){r:{if(H[n+(d>>>3&536870908)>>2]>>>d&1){break r}j=H[H[H[t+64>>2]+12>>2]+(d<<2)>>2];if((j|0)==-1){break r}l=H[G>>2];h=H[t+28>>2];p=H[l+(H[h+(j<<2)>>2]<<2)>>2];if((p|0)>=(m|0)){break r}q=j+1|0;q=H[l+(H[h+(((q>>>0)%3|0?q:j-2|0)<<2)>>2]<<2)>>2];if((q|0)>=(m|0)){break r}h=H[l+(H[h+(j+((j>>>0)%3|0?-1:2)<<2)>>2]<<2)>>2];if((h|0)>=(m|0)){break r}s:{if(!e){break s}j=H[(g+16|0)+N(i,12)>>2];l=N(e,h);q=N(e,q);p=N(e,p);h=0;o=0;if(F){while(1){H[j+(h<<2)>>2]=(H[(h+l<<2)+c>>2]+H[(h+q<<2)+c>>2]|0)-H[(h+p<<2)+c>>2];u=h|1;H[j+(u<<2)>>2]=(H[(l+u<<2)+c>>2]+H[(q+u<<2)+c>>2]|0)-H[(p+u<<2)+c>>2];h=h+2|0;o=o+2|0;if((C|0)!=(o|0)){continue}break}}if(!D){break s}H[j+(h<<2)>>2]=(H[(h+l<<2)+c>>2]+H[(h+q<<2)+c>>2]|0)-H[(h+p<<2)+c>>2]}j=4;i=i+1|0;if((i|0)==4){break q}}t:{if(k&1){h=d-2|0;j=d+1|0;d=-1;j=(j>>>0)%3|0?j:h;if((j|0)==-1|H[n+(j>>>3&536870908)>>2]>>>j&1){break t}j=H[H[H[t+64>>2]+12>>2]+(j<<2)>>2];if((j|0)==-1){break t}d=j+1|0;d=(d>>>0)%3|0?d:j-2|0;break t}u:{if((d>>>0)%3|0){h=d-1|0;break u}h=d+2|0;d=-1;if((h|0)==-1){break t}}d=-1;if(H[n+(h>>>3&536870908)>>2]>>>h&1){break t}j=H[H[H[t+64>>2]+12>>2]+(h<<2)>>2];if((j|0)==-1){break t}if((j>>>0)%3|0){d=j-1|0;break t}d=j+2|0}v:{if((d|0)==(f|0)){break v}if((d|0)==-1&k){if(!P|s&H[O>>2]){break v}d=H[H[H[t+64>>2]+12>>2]+(x<<2)>>2];if((d|0)==-1){break v}k=0;d=(d>>>0)%3|0?d-1|0:d+2|0}if((d|0)!=-1){continue}}break}j=i;if((j|0)<=0){break p}}if(e){ra(r,0,L)}d=j-1|0;q=(d<<2)+z|0;d=N(d,12)+a|0;u=d;x=H[d- -64>>2];k=0;d=H[g>>2];f=0;while(1){i=H[q>>2];H[q>>2]=i+1;if(i>>>0>=x>>>0){break j}w:{if(H[H[u+60>>2]+(i>>>3&536870908)>>2]>>>i&1){break w}f=f+1|0;if(!e){break w}n=H[(g+16|0)+N(k,12)>>2];i=0;h=0;p=0;if(!M){while(1){l=h<<2;o=l+d|0;H[o>>2]=H[l+n>>2]+H[o>>2];o=l|4;s=o+d|0;H[s>>2]=H[n+o>>2]+H[s>>2];o=l|8;s=o+d|0;H[s>>2]=H[n+o>>2]+H[s>>2];l=l|12;o=l+d|0;H[o>>2]=H[l+n>>2]+H[o>>2];h=h+4|0;p=p+4|0;if((K|0)!=(p|0)){continue}break}}if(!E){break w}while(1){l=h<<2;p=l+d|0;H[p>>2]=H[l+n>>2]+H[p>>2];h=h+1|0;i=i+1|0;if((E|0)!=(i|0)){continue}break}}k=k+1|0;if((k|0)!=(j|0)){continue}break}i=N(e,m);if(!f){break o}if(!e){break l}h=0;d=0;if(F){break n}break m}i=N(e,m)}if(H[a+8>>2]<=0){break k}k=(N(m-1|0,e)<<2)+c|0;j=H[y>>2];h=0;while(1){d=h<<2;f=H[d+k>>2];n=H[a+16>>2];x:{if((f|0)>(n|0)){H[d+j>>2]=n;break x}d=d+j|0;n=H[a+12>>2];if((n|0)>(f|0)){H[d>>2]=n;break x}H[d>>2]=f}h=h+1|0;f=H[a+8>>2];if((h|0)<(f|0)){continue}break}d=0;if((f|0)<=0){break k}f=i<<2;h=f+c|0;k=b+f|0;while(1){i=d<<2;f=i+h|0;i=H[i+k>>2]+H[j+i>>2]|0;H[f>>2]=i;y:{if((i|0)>H[a+16>>2]){i=i-H[a+20>>2]|0}else{if((i|0)>=H[a+12>>2]){break y}i=i+H[a+20>>2]|0}H[f>>2]=i}d=d+1|0;if((d|0)>2]){continue}break}break k}Ca();v()}while(1){j=h<<2;k=j+r|0;H[k>>2]=H[k>>2]/(f|0);j=(j|4)+r|0;H[j>>2]=H[j>>2]/(f|0);h=h+2|0;d=d+2|0;if((C|0)!=(d|0)){continue}break}}if(!D){break l}d=(h<<2)+r|0;H[d>>2]=H[d>>2]/(f|0)}if(H[a+8>>2]<=0){break k}j=H[y>>2];h=0;while(1){d=h<<2;f=H[d+r>>2];k=H[a+16>>2];z:{if((f|0)>(k|0)){H[d+j>>2]=k;break z}d=d+j|0;k=H[a+12>>2];if((k|0)>(f|0)){H[d>>2]=k;break z}H[d>>2]=f}h=h+1|0;f=H[a+8>>2];if((h|0)<(f|0)){continue}break}d=0;if((f|0)<=0){break k}f=i<<2;h=f+c|0;k=b+f|0;while(1){i=d<<2;f=i+h|0;i=H[i+k>>2]+H[j+i>>2]|0;H[f>>2]=i;A:{if((i|0)>H[a+16>>2]){i=i-H[a+20>>2]|0}else{if((i|0)>=H[a+12>>2]){break A}i=i+H[a+20>>2]|0}H[f>>2]=i}d=d+1|0;if((d|0)>2]){continue}break}}m=m+1|0;A=(w|0)<=(m|0);if((m|0)!=(I|0)){continue}break}}a=H[g>>2];if(a){oa(a)}oa(z);a=H[g+52>>2];if(a){H[g+56>>2]=a;oa(a)}a=H[g+40>>2];if(a){H[g+44>>2]=a;oa(a)}a=H[g+28>>2];if(a){H[g+32>>2]=a;oa(a)}a=H[g+16>>2];if(a){H[g+20>>2]=a;oa(a)}ca=g- -64|0;return A|0}sa();v()}function oj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,I=0,J=0,K=0,L=0,M=0;h=ca+-64|0;ca=h;H[a+8>>2]=e;x=a+32|0;f=H[x>>2];d=H[a+36>>2]-f>>2;a:{b:{if(d>>>0>>0){ya(x,e-d|0);H[h+56>>2]=0;H[h+60>>2]=0;H[h+48>>2]=0;H[h+52>>2]=0;H[h+40>>2]=0;H[h+44>>2]=0;H[h+32>>2]=0;H[h+36>>2]=0;H[h+24>>2]=0;H[h+28>>2]=0;H[h+16>>2]=0;H[h+20>>2]=0;H[h>>2]=0;break b}if(d>>>0>e>>>0){H[a+36>>2]=f+(e<<2)}H[h+56>>2]=0;H[h+60>>2]=0;H[h+48>>2]=0;H[h+52>>2]=0;H[h+40>>2]=0;H[h+44>>2]=0;H[h+32>>2]=0;H[h+36>>2]=0;H[h+24>>2]=0;H[h+28>>2]=0;H[h+16>>2]=0;H[h+20>>2]=0;H[h>>2]=0;d=0;if(!e){break a}}Pa(h+16|0,e,h);i=H[h+28>>2];d=H[h+32>>2]}H[h>>2]=0;d=d-i>>2;c:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break c}H[h+32>>2]=(e<<2)+i;break c}Pa(h+16|12,e-d|0,h)}H[h>>2]=0;f=H[h+40>>2];d=H[h+44>>2]-f>>2;d:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break d}H[h+44>>2]=f+(e<<2);break d}Pa(h+40|0,e-d|0,h)}H[h>>2]=0;f=H[h+52>>2];d=H[h+56>>2]-f>>2;e:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break e}H[h+56>>2]=f+(e<<2);break e}Pa(h+52|0,e-d|0,h)}f:{if(H[a+8>>2]<=0){break f}g=H[h+16>>2];j=H[a+32>>2];i=0;while(1){d=i<<2;f=H[d+g>>2];m=H[a+16>>2];g:{if((f|0)>(m|0)){H[d+j>>2]=m;break g}d=d+j|0;m=H[a+12>>2];if((m|0)>(f|0)){H[d>>2]=m;break g}H[d>>2]=f}i=i+1|0;d=H[a+8>>2];if((i|0)<(d|0)){continue}break}if((d|0)<=0){break f}d=0;while(1){g=d<<2;f=g+c|0;g=H[b+g>>2]+H[g+j>>2]|0;H[f>>2]=g;h:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break h}g=g+H[a+20>>2]|0}H[f>>2]=g}d=d+1|0;if((d|0)>2]){continue}break}}G=H[a+52>>2];A=H[a+48>>2];y=pa(16);d=y;H[d>>2]=0;H[d+4>>2]=0;H[d+8>>2]=0;H[d+12>>2]=0;H[h+8>>2]=0;H[h>>2]=0;H[h+4>>2]=0;i:{if(e){if(e>>>0>=1073741824){break i}d=e<<2;t=pa(d);H[h>>2]=t;H[h+8>>2]=d+t;ra(t,0,d)}z=1;d=H[a+56>>2];B=H[d>>2];d=H[d+4>>2]-B|0;j:{if((d|0)<8){break j}w=d>>2;I=(w|0)<=2?2:w;J=w>>>0<=1?1:w;C=e&-2;D=e&1;K=e&-4;E=e&3;F=e-1|0;L=e<<2;M=e>>>0<4;z=0;m=1;while(1){k:{l:{m:{n:{if((m|0)!=(J|0)){o:{p:{f=H[(m<<2)+B>>2];if((f|0)==-1){break p}n=H[A+12>>2];d=f+2|0;g=(f>>>0)%3|0;q=n+((g?f-1|0:d)<<2)|0;j=0;u=(g|0)!=0|(d|0)!=-1;k=1;d=f;q:{while(1){g=H[n+(d<<2)>>2];r:{if((g|0)==-1){break r}l=-1;p=H[G>>2];r=H[A>>2];i=p+(H[r+(g<<2)>>2]<<2)|0;o=g+1|0;o=(o>>>0)%3|0?o:g-2|0;if((o|0)!=-1){l=H[r+(o<<2)>>2]}o=H[i>>2];s:{t:{if((g>>>0)%3|0){i=g-1|0;break t}i=g+2|0;s=-1;if((i|0)==-1){break s}}s=H[r+(i<<2)>>2]}if((m|0)<=(o|0)){break r}i=H[p+(l<<2)>>2];if((i|0)>=(m|0)){break r}l=H[p+(s<<2)>>2];if((l|0)>=(m|0)){break r}g=H[(h+16|0)+N(j,12)>>2];u:{if(!e){break u}l=N(e,l);r=N(e,i);p=N(e,o);i=0;s=0;if(F){while(1){H[g+(i<<2)>>2]=(H[(i+l<<2)+c>>2]+H[(i+r<<2)+c>>2]|0)-H[(i+p<<2)+c>>2];o=i|1;H[g+(o<<2)>>2]=(H[(l+o<<2)+c>>2]+H[(o+r<<2)+c>>2]|0)-H[(o+p<<2)+c>>2];i=i+2|0;s=s+2|0;if((C|0)!=(s|0)){continue}break}}if(!D){break u}H[g+(i<<2)>>2]=(H[(i+l<<2)+c>>2]+H[(i+r<<2)+c>>2]|0)-H[(i+p<<2)+c>>2]}g=4;j=j+1|0;if((j|0)==4){break q}}v:{if(k&1){i=d+1|0;d=(i>>>0)%3|0?i:d-2|0;g=-1;if((d|0)==-1){break v}d=H[n+(d<<2)>>2];g=-1;if((d|0)==-1){break v}g=d+1|0;g=(g>>>0)%3|0?g:d-2|0;break v}w:{if((d>>>0)%3|0){i=d-1|0;break w}i=d+2|0;g=-1;if((i|0)==-1){break v}}d=H[n+(i<<2)>>2];g=-1;if((d|0)==-1){break v}g=d-1|0;if((d>>>0)%3|0){break v}g=d+2|0}d=g;x:{if((f|0)==(d|0)){break x}if((d|0)==-1&k){if(!u){break x}d=H[q>>2];if((d|0)==-1){break x}k=0;d=(d>>>0)%3|0?d-1|0:d+2|0}if((d|0)!=-1){continue}}break}g=j;if((g|0)<=0){break p}}if(e){ra(t,0,L)}d=g-1|0;r=(d<<2)+y|0;d=N(d,12)+a|0;o=d;s=H[d- -64>>2];k=0;d=H[h>>2];f=0;while(1){j=H[r>>2];H[r>>2]=j+1;if(j>>>0>=s>>>0){break j}y:{if(H[H[o+60>>2]+(j>>>3&536870908)>>2]>>>j&1){break y}f=f+1|0;if(!e){break y}j=H[(h+16|0)+N(k,12)>>2];l=0;i=0;p=0;if(!M){while(1){n=i<<2;q=n+d|0;H[q>>2]=H[j+n>>2]+H[q>>2];q=n|4;u=q+d|0;H[u>>2]=H[j+q>>2]+H[u>>2];q=n|8;u=q+d|0;H[u>>2]=H[j+q>>2]+H[u>>2];n=n|12;q=n+d|0;H[q>>2]=H[j+n>>2]+H[q>>2];i=i+4|0;p=p+4|0;if((K|0)!=(p|0)){continue}break}}if(!E){break y}while(1){n=i<<2;p=n+d|0;H[p>>2]=H[j+n>>2]+H[p>>2];i=i+1|0;l=l+1|0;if((E|0)!=(l|0)){continue}break}}k=k+1|0;if((k|0)!=(g|0)){continue}break}g=N(e,m);if(!f){break o}if(!e){break l}i=0;d=0;if(F){break n}break m}g=N(e,m)}if(H[a+8>>2]<=0){break k}k=(N(m-1|0,e)<<2)+c|0;j=H[x>>2];i=0;while(1){d=i<<2;f=H[d+k>>2];l=H[a+16>>2];z:{if((f|0)>(l|0)){H[d+j>>2]=l;break z}d=d+j|0;l=H[a+12>>2];if((l|0)>(f|0)){H[d>>2]=l;break z}H[d>>2]=f}i=i+1|0;f=H[a+8>>2];if((i|0)<(f|0)){continue}break}d=0;if((f|0)<=0){break k}f=g<<2;i=f+c|0;k=b+f|0;while(1){g=d<<2;f=g+i|0;g=H[g+k>>2]+H[g+j>>2]|0;H[f>>2]=g;A:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break A}g=g+H[a+20>>2]|0}H[f>>2]=g}d=d+1|0;if((d|0)>2]){continue}break}break k}Ca();v()}while(1){j=i<<2;k=j+t|0;H[k>>2]=H[k>>2]/(f|0);j=(j|4)+t|0;H[j>>2]=H[j>>2]/(f|0);i=i+2|0;d=d+2|0;if((C|0)!=(d|0)){continue}break}}if(!D){break l}d=(i<<2)+t|0;H[d>>2]=H[d>>2]/(f|0)}if(H[a+8>>2]<=0){break k}j=H[x>>2];i=0;while(1){d=i<<2;f=H[d+t>>2];k=H[a+16>>2];B:{if((f|0)>(k|0)){H[d+j>>2]=k;break B}d=d+j|0;k=H[a+12>>2];if((k|0)>(f|0)){H[d>>2]=k;break B}H[d>>2]=f}i=i+1|0;f=H[a+8>>2];if((i|0)<(f|0)){continue}break}d=0;if((f|0)<=0){break k}f=g<<2;i=f+c|0;k=b+f|0;while(1){g=d<<2;f=g+i|0;g=H[g+k>>2]+H[g+j>>2]|0;H[f>>2]=g;C:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break C}g=g+H[a+20>>2]|0}H[f>>2]=g}d=d+1|0;if((d|0)>2]){continue}break}}m=m+1|0;z=(w|0)<=(m|0);if((m|0)!=(I|0)){continue}break}}a=H[h>>2];if(a){oa(a)}oa(y);a=H[h+52>>2];if(a){H[h+56>>2]=a;oa(a)}a=H[h+40>>2];if(a){H[h+44>>2]=a;oa(a)}a=H[h+28>>2];if(a){H[h+32>>2]=a;oa(a)}a=H[h+16>>2];if(a){H[h+20>>2]=a;oa(a)}ca=h- -64|0;return z|0}sa();v()}function Od(a,b,c,d,e){var f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0;i=ca-80|0;ca=i;H[i+76>>2]=b;y=i+55|0;r=i+56|0;a:{b:{c:{d:{e:while(1){h=b;if((o^2147483647)<(f|0)){break d}o=f+o|0;f:{g:{h:{f=h;g=I[f|0];if(g){while(1){i:{b=g&255;j:{if(!b){b=f;break j}if((b|0)!=37){break i}g=f;while(1){if(I[g+1|0]!=37){b=g;break j}f=f+1|0;j=I[g+2|0];b=g+2|0;g=b;if((j|0)==37){continue}break}}f=f-h|0;x=o^2147483647;if((f|0)>(x|0)){break d}if(a){Ab(a,h,f)}if(f){continue e}H[i+76>>2]=b;f=b+1|0;p=-1;if(!(I[b+2|0]!=36|F[b+1|0]-48>>>0>=10)){p=F[b+1|0]-48|0;s=1;f=b+3|0}H[i+76>>2]=f;n=0;g=F[f|0];b=g-32|0;k:{if(b>>>0>31){k=f;break k}k=f;b=1<>2]=k;n=b|n;g=F[f+1|0];b=g-32|0;if(b>>>0>=32){break k}f=k;b=1<>>0>=10)){H[((F[k+1|0]<<2)+e|0)-192>>2]=10;g=k+3|0;s=1;b=H[((F[k+1|0]<<3)+d|0)-384>>2];break m}if(s){break h}g=k+1|0;if(!a){H[i+76>>2]=g;s=0;q=0;break l}b=H[c>>2];H[c>>2]=b+4;s=0;b=H[b>>2]}H[i+76>>2]=g;q=b;if((b|0)>=0){break l}q=0-q|0;n=n|8192;break l}q=Nd(i+76|0);if((q|0)<0){break d}g=H[i+76>>2]}f=0;m=-1;n:{if(I[g|0]!=46){b=g;u=0;break n}if(I[g+1|0]==42){o:{if(!(I[g+3|0]!=36|F[g+2|0]-48>>>0>=10)){H[((F[g+2|0]<<2)+e|0)-192>>2]=10;b=g+4|0;m=H[((F[g+2|0]<<3)+d|0)-384>>2];break o}if(s){break h}b=g+2|0;m=0;if(!a){break o}j=H[c>>2];H[c>>2]=j+4;m=H[j>>2]}H[i+76>>2]=b;u=(m^-1)>>>31|0;break n}H[i+76>>2]=g+1;m=Nd(i+76|0);b=H[i+76>>2];u=1}while(1){g=f;k=28;l=b;f=F[b|0];if(f-123>>>0<4294967238){break c}b=l+1|0;f=I[(f+N(g,58)|0)+13711|0];if(f-1>>>0<8){continue}break}H[i+76>>2]=b;p:{q:{if((f|0)!=27){if(!f){break c}if((p|0)>=0){H[(p<<2)+e>>2]=f;j=(p<<3)+d|0;f=H[j+4>>2];H[i+64>>2]=H[j>>2];H[i+68>>2]=f;break q}if(!a){break f}Md(i- -64|0,f,c);break p}if((p|0)>=0){break c}}f=0;if(!a){continue e}}j=n&-65537;n=n&8192?j:n;p=0;t=1132;k=r;r:{s:{t:{u:{v:{w:{x:{y:{z:{A:{B:{C:{D:{E:{F:{G:{f=F[l|0];f=g?(f&15)==3?f&-33:f:f;switch(f-88|0){case 11:break r;case 9:case 13:case 14:case 15:break s;case 27:break x;case 12:case 17:break A;case 23:break B;case 0:case 32:break C;case 24:break D;case 22:break E;case 29:break F;case 1:case 2:case 3:case 4:case 5:case 6:case 7:case 8:case 10:case 16:case 18:case 19:case 20:case 21:case 25:case 26:case 28:case 30:case 31:break g;default:break G}}H:{switch(f-65|0){case 0:case 4:case 5:case 6:break s;case 2:break v;case 1:case 3:break g;default:break H}}if((f|0)==83){break w}break g}l=H[i+64>>2];j=H[i+68>>2];t=1132;break z}f=0;I:{switch(g&255){case 0:H[H[i+64>>2]>>2]=o;continue e;case 1:H[H[i+64>>2]>>2]=o;continue e;case 2:h=H[i+64>>2];H[h>>2]=o;H[h+4>>2]=o>>31;continue e;case 3:G[H[i+64>>2]>>1]=o;continue e;case 4:F[H[i+64>>2]]=o;continue e;case 6:H[H[i+64>>2]>>2]=o;continue e;case 7:break I;default:continue e}}h=H[i+64>>2];H[h>>2]=o;H[h+4>>2]=o>>31;continue e}m=m>>>0<=8?8:m;n=n|8;f=120}h=r;l=H[i+64>>2];j=H[i+68>>2];if(l|j){z=f&32;while(1){h=h-1|0;F[h|0]=z|I[(l&15)+14240|0];w=!j&l>>>0>15|(j|0)!=0;g=j;j=g>>>4|0;l=(g&15)<<28|l>>>4;if(w){continue}break}}if(!(H[i+64>>2]|H[i+68>>2])|!(n&8)){break y}t=(f>>>4|0)+1132|0;p=2;break y}f=r;h=H[i+68>>2];j=h;l=H[i+64>>2];if(h|l){while(1){f=f-1|0;F[f|0]=l&7|48;g=!j&l>>>0>7|(j|0)!=0;h=j;j=h>>>3|0;l=(h&7)<<29|l>>>3;if(g){continue}break}}h=f;if(!(n&8)){break y}f=r-h|0;m=(f|0)<(m|0)?m:f+1|0;break y}l=H[i+64>>2];h=H[i+68>>2];j=h;if((h|0)<0){f=0-(((l|0)!=0)+j|0)|0;j=f;l=0-l|0;H[i+64>>2]=l;H[i+68>>2]=f;p=1;t=1132;break z}if(n&2048){p=1;t=1133;break z}p=n&1;t=p?1134:1132}g=r;if(j){while(1){g=g-1|0;f=j;w=Tj(l,f,10,0);h=da;A=g,B=l-Rj(w,h,10,0)|48,F[A|0]=B;l=w;j=h;if(f>>>0>9){continue}break}}h=l;if(h){while(1){g=g-1|0;f=(h>>>0)/10|0;F[g|0]=h-N(f,10)|48;j=h>>>0>9;h=f;if(j){continue}break}}h=g}if((m|0)<0?u:0){break d}n=u?n&-65537:n;f=H[i+64>>2];j=H[i+68>>2];if(!(m|(f|j)!=0)){h=r;m=0;break g}f=!(f|j)+(r-h|0)|0;m=(f|0)<(m|0)?m:f;break g}g=m>>>0>=2147483647?2147483647:m;k=g;n=(g|0)!=0;h=H[i+64>>2];h=h?h:1614;f=h;J:{K:{L:{M:{if(!(f&3)|!g){break M}while(1){if(!I[f|0]){break L}k=k-1|0;n=(k|0)!=0;f=f+1|0;if(!(f&3)){break M}if(k){continue}break}}if(!n){break K}if(!(!I[f|0]|k>>>0<4)){while(1){l=H[f>>2];if((l^-1)&l-16843009&-2139062144){break L}f=f+4|0;k=k-4|0;if(k>>>0>3){continue}break}}if(!k){break K}}while(1){if(!I[f|0]){break J}f=f+1|0;k=k-1|0;if(k){continue}break}}f=0}f=f?f-h|0:g;k=f+h|0;if((m|0)>=0){n=j;m=f;break g}n=j;m=f;if(I[k|0]){break d}break g}if(m){g=H[i+64>>2];break u}f=0;ib(a,32,q,0,n);break t}H[i+12>>2]=0;H[i+8>>2]=H[i+64>>2];g=i+8|0;H[i+64>>2]=g;m=-1}f=0;N:{while(1){h=H[g>>2];if(!h){break N}j=Ld(i+4|0,h);h=(j|0)<0;if(!(h|j>>>0>m-f>>>0)){g=g+4|0;f=f+j|0;if(m>>>0>f>>>0){continue}break N}break}if(h){break b}}k=61;if((f|0)<0){break c}ib(a,32,q,f,n);if(!f){f=0;break t}k=0;g=H[i+64>>2];while(1){h=H[g>>2];if(!h){break t}h=Ld(i+4|0,h);k=h+k|0;if(k>>>0>f>>>0){break t}Ab(a,i+4|0,h);g=g+4|0;if(f>>>0>k>>>0){continue}break}}ib(a,32,q,f,n^8192);f=(f|0)<(q|0)?q:f;continue e}if((m|0)<0?u:0){break d}v()}F[i+55|0]=H[i+64>>2];m=1;h=y;n=j;break g}g=I[f+1|0];f=f+1|0;continue}}if(a){break a}if(!s){break f}f=1;while(1){a=H[(f<<2)+e>>2];if(a){Md((f<<3)+d|0,a,c);o=1;f=f+1|0;if((f|0)!=10){continue}break a}break}o=1;if(f>>>0>=10){break a}while(1){if(H[(f<<2)+e>>2]){break h}f=f+1|0;if((f|0)!=10){continue}break}break a}k=28;break c}l=k-h|0;j=(m|0)>(l|0)?m:l;if((j|0)>(p^2147483647)){break d}k=61;g=j+p|0;f=(g|0)<(q|0)?q:g;if((x|0)<(f|0)){break c}ib(a,32,f,g,n);Ab(a,t,p);ib(a,48,f,g,n^65536);ib(a,48,j,l,0);Ab(a,h,l);ib(a,32,f,g,n^8192);continue}break}o=0;break a}k=61}H[3992]=k}o=-1}ca=i+80|0;return o}function hj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,G=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0;a:{b:{if((e|0)!=2){break b}H[a+8>>2]=2;H[a- -64>>2]=f;M=a+32|0;e=H[M>>2];d=H[a+36>>2]-e|0;c:{if(d>>>0<=7){ya(M,2-(d>>>2|0)|0);break c}if((d|0)==8){break c}H[a+36>>2]=e+8}i=1;d=H[a+56>>2];d=H[d+4>>2]-H[d>>2]|0;if((d|0)<=0){break b}o=a+60|0;d=d>>>2|0;X=d>>>0<=1?1:d;Y=a+68|0;d=0;while(1){f=H[a+56>>2];e=H[f>>2];if(H[f+4>>2]-e>>2>>>0<=d>>>0){break a}k=ca-80|0;ca=k;f=-1;d:{e:{e=H[e+(d<<2)>>2];if((e|0)==-1){break e}i=H[o+32>>2];g=e+1|0;g=(g>>>0)%3|0?g:e-2|0;if((g|0)!=-1){f=H[H[i>>2]+(g<<2)>>2]}p=-1;e=e+((e>>>0)%3|0?-1:2)|0;if((e|0)!=-1){p=H[H[i>>2]+(e<<2)>>2]}i=H[o+36>>2];e=H[i>>2];i=H[i+4>>2]-e>>2;if(i>>>0<=f>>>0|i>>>0<=p>>>0){break e}f:{g:{h:{i:{j:{k:{j=H[e+(p<<2)>>2];f=H[e+(f<<2)>>2];if((j|0)>=(d|0)|(f|0)>=(d|0)){break k}i=(j<<3)+c|0;w=H[i+4>>2];g=(f<<3)+c|0;e=H[g+4>>2];l=H[i>>2];i=H[g>>2];if(!((l|0)!=(i|0)|(e|0)!=(w|0))){H[o+8>>2]=i;H[o+12>>2]=e;break j}p=H[H[o+4>>2]+(d<<2)>>2];H[k+72>>2]=0;H[k+76>>2]=0;g=k- -64|0;H[g>>2]=0;H[g+4>>2]=0;H[k+56>>2]=0;H[k+60>>2]=0;g=H[o>>2];if(!I[g+84|0]){p=H[H[g+68>>2]+(p<<2)>>2]}Sa(g,p,F[g+24|0],k+56|0);p=H[H[o+4>>2]+(f<<2)>>2];H[k+48>>2]=0;H[k+52>>2]=0;H[k+40>>2]=0;H[k+44>>2]=0;H[k+32>>2]=0;H[k+36>>2]=0;g=H[o>>2];if(!I[g+84|0]){p=H[H[g+68>>2]+(p<<2)>>2]}Sa(g,p,F[g+24|0],k+32|0);p=H[H[o+4>>2]+(j<<2)>>2];H[k+24>>2]=0;H[k+28>>2]=0;H[k+16>>2]=0;H[k+20>>2]=0;H[k+8>>2]=0;H[k+12>>2]=0;g=H[o>>2];if(!I[g+84|0]){p=H[H[g+68>>2]+(p<<2)>>2]}Sa(g,p,F[g+24|0],k+8|0);g=H[k+16>>2];n=H[k+40>>2];x=g-n|0;N=H[k+44>>2];g=H[k+20>>2]-(N+(g>>>0>>0)|0)|0;E=g;j=Rj(x,g,x,g);q=da;g=H[k+8>>2];z=H[k+32>>2];A=g-z|0;O=H[k+36>>2];g=H[k+12>>2]-(O+(g>>>0>>0)|0)|0;G=g;h=j;j=Rj(A,g,A,g);g=h+j|0;h=da+q|0;h=g>>>0>>0?h+1|0:h;j=H[k+24>>2];B=H[k+48>>2];C=j-B|0;P=H[k+52>>2];j=H[k+28>>2]-(P+(j>>>0>>0)|0)|0;J=j;m=g;g=Rj(C,j,C,j);r=m+g|0;h=da+h|0;s=g>>>0>r>>>0?h+1|0:h;if(!(s|r)){break k}p=0;D=Tj(-1,2147483647,r,s);f=i>>31;R=f;h=f>>31;Q=i;g=h;q=i^g;i=q-g|0;f=(f^g)-((g>>>0>q>>>0)+g|0)|0;g=f;f=e>>31;S=f;K=e;e=f>>31;q=K^e;m=q-e|0;h=f>>31;e=(h^f)-((e>>>0>q>>>0)+h|0)|0;f=(g|0)==(e|0)&i>>>0>m>>>0|e>>>0>>0;i=f?i:m;j=da;e=f?g:e;if((j|0)==(e|0)&i>>>0>D>>>0|e>>>0>j>>>0){break f}i=H[k+64>>2];T=H[k+68>>2];e=Rj(i-n|0,T-((i>>>0>>0)+N|0)|0,x,E);f=da;g=H[k+56>>2];U=H[k+60>>2];j=Rj(g-z|0,U-((g>>>0>>0)+O|0)|0,A,G);e=j+e|0;h=da+f|0;h=e>>>0>>0?h+1|0:h;f=e;m=H[k+72>>2];V=H[k+76>>2];e=Rj(m-B|0,V-((m>>>0>>0)+P|0)|0,C,J);j=f+e|0;f=da+h|0;q=e>>>0>j>>>0?f+1|0:f;e=l;D=e-Q|0;e=(e>>31)-((e>>>0>>0)+R|0)|0;W=e;l=e>>31;y=l^D;f=y-l|0;h=e>>31;e=(h^e)-((l>>>0>y>>>0)+h|0)|0;h=e;y=w-K|0;e=(w>>31)-((w>>>0>>0)+S|0)|0;w=e;l=f;t=e>>31;u=t^y;L=u-t|0;f=e>>31;e=(f^e)-((t>>>0>u>>>0)+f|0)|0;f=(h|0)==(e|0)&l>>>0>L>>>0|e>>>0>>0;f=Tj(-1,2147483647,f?l:L,f?h:e)>>>0>>0;e=da;if(f&(e|0)<=(q|0)|(e|0)<(q|0)){break f}e=G>>31;f=e;l=e^A;e=l-e|0;f=(f^G)-((f>>>0>l>>>0)+f|0)|0;h=E>>31;t=h^x;u=t-h|0;l=(h^E)-((h>>>0>t>>>0)+h|0)|0;h=(f|0)==(l|0)&e>>>0>u>>>0|f>>>0>l>>>0;e=h?e:u;f=h?f:l;h=J>>31;L=e;t=h^C;u=t-h|0;l=(h^J)-((h>>>0>t>>>0)+h|0)|0;e=(f|0)==(l|0)&e>>>0>u>>>0|f>>>0>l>>>0;f=Tj(-1,2147483647,e?L:u,e?f:l)>>>0>>0;e=da;if(f&(e|0)<=(q|0)|(e|0)<(q|0)){break f}l=1;e=0;f=n;n=Sj(Rj(j,q,x,E),da,r,s);f=f+n|0;h=da+N|0;h=f>>>0>>0?h+1|0:h;n=i-f|0;f=T-((f>>>0>i>>>0)+h|0)|0;n=Rj(n,f,n,f);x=da;f=g;h=Sj(Rj(j,q,A,G),da,r,s);i=h+z|0;g=da+O|0;g=h>>>0>i>>>0?g+1|0:g;h=f-i|0;f=U-((f>>>0>>0)+g|0)|0;g=Rj(h,f,h,f);i=g+n|0;f=da+x|0;f=g>>>0>i>>>0?f+1|0:f;n=i;g=Sj(Rj(j,q,C,J),da,r,s);i=g+B|0;h=da+P|0;h=g>>>0>i>>>0?h+1|0:h;g=m-i|0;i=V-((i>>>0>m>>>0)+h|0)|0;m=Rj(g,i,g,i);i=m+n|0;g=da+f|0;f=Rj(i,i>>>0>>0?g+1|0:g,r,s);i=da;m=i;if(!i&f>>>0<=1){break i}h=f;while(1){g=e<<1|l>>>31;l=l<<1;e=g;n=!i&h>>>0>7|(i|0)!=0;h=(i&3)<<30|h>>>2;i=i>>>2|0;if(n){continue}break}break h}if((d|0)>(f|0)){e=f<<1}else{if((d|0)<=0){H[o+8>>2]=0;H[o+12>>2]=0;break j}e=(d<<1)-2|0}e=(e<<2)+c|0;H[o+8>>2]=H[e>>2];H[o+12>>2]=H[e+4>>2]}p=1;break f}e=m;l=f;if(f-1|0){break g}}while(1){i=Tj(f,m,l,e);h=e+da|0;e=i+l|0;h=e>>>0>>0?h+1|0:h;l=(h&1)<<31|e>>>1;e=h>>>1|0;i=Rj(l,e,l,e);g=da;if((m|0)==(g|0)&f>>>0>>0|g>>>0>m>>>0){continue}break}}f=H[o+20>>2];if(!f){break f}g=f-1|0;h=H[H[o+16>>2]+(g>>>3&536870908)>>2];H[o+20>>2]=g;p=1;f=Rj(j,q,y,w);i=da;n=Rj(r,s,K,S);m=n+f|0;f=da+i|0;f=m>>>0>>0?f+1|0:f;i=Rj(l,e,D,W);g=h>>>g&1;h=g?0-i|0:i;m=h+m|0;n=f;f=da;i=n+(g?0-(f+((i|0)!=0)|0)|0:f)|0;Z=o,_=Sj(m,h>>>0>m>>>0?i+1|0:i,r,s),H[Z+12>>2]=_;f=Rj(j,q,D,W);i=da;j=Rj(r,s,Q,R);f=j+f|0;h=da+i|0;e=Rj(l,e,y,w);i=0-e|0;l=da;h=(f>>>0>>0?h+1|0:h)+(g?l:0-(((e|0)!=0)+l|0)|0)|0;i=g?e:i;f=i+f|0;Z=o,_=Sj(f,f>>>0>>0?h+1|0:h,r,s),H[Z+8>>2]=_}ca=k+80|0;e=p;break d}Ca();v()}i=e;if(!e){return 0}l:{if(H[a+8>>2]<=0){break l}l=H[M>>2];e=0;while(1){f=e<<2;g=H[f+Y>>2];j=H[a+16>>2];m:{if((g|0)>(j|0)){H[f+l>>2]=j;break m}f=f+l|0;j=H[a+12>>2];if((j|0)>(g|0)){H[f>>2]=j;break m}H[f>>2]=g}e=e+1|0;g=H[a+8>>2];if((e|0)<(g|0)){continue}break}f=0;if((g|0)<=0){break l}e=d<<3;j=e+c|0;q=b+e|0;while(1){g=f<<2;e=g+j|0;g=H[g+q>>2]+H[g+l>>2]|0;H[e>>2]=g;n:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break n}g=g+H[a+20>>2]|0}H[e>>2]=g}f=f+1|0;if((f|0)>2]){continue}break}}d=d+1|0;if((X|0)!=(d|0)){continue}break}}return i|0}Ca();v()}function xj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,G=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0;a:{b:{if((e|0)!=2){break b}H[a+8>>2]=2;H[a- -64>>2]=f;M=a+32|0;e=H[M>>2];d=H[a+36>>2]-e|0;c:{if(d>>>0<=7){ya(M,2-(d>>>2|0)|0);break c}if((d|0)==8){break c}H[a+36>>2]=e+8}p=1;d=H[a+56>>2];d=H[d+4>>2]-H[d>>2]|0;if((d|0)<=0){break b}o=a+60|0;d=d>>>2|0;X=d>>>0<=1?1:d;Y=a+68|0;d=0;while(1){e=H[a+56>>2];h=H[e>>2];if(H[e+4>>2]-h>>2>>>0<=d>>>0){break a}k=ca-80|0;ca=k;f=-1;h=H[h+(d<<2)>>2];e=-1;d:{if((h|0)==-1){break d}e=h+1|0;f=(e>>>0)%3|0?e:h-2|0;e=h-1|0;if((h>>>0)%3|0){break d}e=h+2|0}g=H[o+36>>2];h=H[g>>2];e:{f:{g:{h:{i:{g=H[g+4>>2]-h>>2;i=f<<2;f=H[H[o+32>>2]+28>>2];j=H[i+f>>2];if(g>>>0<=j>>>0){break i}e=H[f+(e<<2)>>2];if(e>>>0>=g>>>0){break i}j:{k:{l=H[h+(e<<2)>>2];f=H[h+(j<<2)>>2];if((l|0)>=(d|0)|(f|0)>=(d|0)){break k}h=(l<<3)+c|0;w=H[h+4>>2];g=(f<<3)+c|0;e=H[g+4>>2];j=H[h>>2];h=H[g>>2];if(!((j|0)!=(h|0)|(e|0)!=(w|0))){H[o+8>>2]=h;H[o+12>>2]=e;break j}p=H[H[o+4>>2]+(d<<2)>>2];H[k+72>>2]=0;H[k+76>>2]=0;g=k- -64|0;H[g>>2]=0;H[g+4>>2]=0;H[k+56>>2]=0;H[k+60>>2]=0;g=H[o>>2];if(!I[g+84|0]){p=H[H[g+68>>2]+(p<<2)>>2]}Sa(g,p,F[g+24|0],k+56|0);p=H[H[o+4>>2]+(f<<2)>>2];H[k+48>>2]=0;H[k+52>>2]=0;H[k+40>>2]=0;H[k+44>>2]=0;H[k+32>>2]=0;H[k+36>>2]=0;g=H[o>>2];if(!I[g+84|0]){p=H[H[g+68>>2]+(p<<2)>>2]}Sa(g,p,F[g+24|0],k+32|0);p=H[H[o+4>>2]+(l<<2)>>2];H[k+24>>2]=0;H[k+28>>2]=0;H[k+16>>2]=0;H[k+20>>2]=0;H[k+8>>2]=0;H[k+12>>2]=0;g=H[o>>2];if(!I[g+84|0]){p=H[H[g+68>>2]+(p<<2)>>2]}Sa(g,p,F[g+24|0],k+8|0);g=H[k+16>>2];n=H[k+40>>2];x=g-n|0;N=H[k+44>>2];g=H[k+20>>2]-(N+(g>>>0>>0)|0)|0;E=g;l=Rj(x,g,x,g);q=da;g=H[k+8>>2];z=H[k+32>>2];A=g-z|0;O=H[k+36>>2];g=H[k+12>>2]-(O+(g>>>0>>0)|0)|0;G=g;i=l;l=Rj(A,g,A,g);g=i+l|0;i=da+q|0;i=g>>>0>>0?i+1|0:i;l=H[k+24>>2];B=H[k+48>>2];C=l-B|0;P=H[k+52>>2];l=H[k+28>>2]-(P+(l>>>0>>0)|0)|0;J=l;m=g;g=Rj(C,l,C,l);r=m+g|0;i=da+i|0;s=g>>>0>r>>>0?i+1|0:i;if(!(s|r)){break k}p=0;D=Tj(-1,2147483647,r,s);f=h>>31;R=f;i=f>>31;Q=h;g=i;q=h^g;h=q-g|0;f=(f^g)-((g>>>0>q>>>0)+g|0)|0;g=f;f=e>>31;S=f;K=e;e=f>>31;q=K^e;m=q-e|0;i=f>>31;e=(i^f)-((e>>>0>q>>>0)+i|0)|0;f=(g|0)==(e|0)&h>>>0>m>>>0|e>>>0>>0;h=f?h:m;l=da;e=f?g:e;if((l|0)==(e|0)&h>>>0>D>>>0|e>>>0>l>>>0){break e}h=H[k+64>>2];T=H[k+68>>2];e=Rj(h-n|0,T-((h>>>0>>0)+N|0)|0,x,E);f=da;g=H[k+56>>2];U=H[k+60>>2];l=Rj(g-z|0,U-((g>>>0>>0)+O|0)|0,A,G);e=l+e|0;i=da+f|0;i=e>>>0>>0?i+1|0:i;f=e;m=H[k+72>>2];V=H[k+76>>2];e=Rj(m-B|0,V-((m>>>0>>0)+P|0)|0,C,J);l=f+e|0;f=da+i|0;q=e>>>0>l>>>0?f+1|0:f;e=j;D=e-Q|0;e=(e>>31)-((e>>>0>>0)+R|0)|0;W=e;j=e>>31;y=j^D;f=y-j|0;i=e>>31;e=(i^e)-((j>>>0>y>>>0)+i|0)|0;i=e;y=w-K|0;e=(w>>31)-((w>>>0>>0)+S|0)|0;w=e;j=f;t=e>>31;u=t^y;L=u-t|0;f=e>>31;e=(f^e)-((t>>>0>u>>>0)+f|0)|0;f=(i|0)==(e|0)&j>>>0>L>>>0|e>>>0>>0;f=Tj(-1,2147483647,f?j:L,f?i:e)>>>0>>0;e=da;if(f&(e|0)<=(q|0)|(e|0)<(q|0)){break e}e=G>>31;f=e;j=e^A;e=j-e|0;f=(f^G)-((f>>>0>j>>>0)+f|0)|0;i=E>>31;t=i^x;u=t-i|0;j=(i^E)-((i>>>0>t>>>0)+i|0)|0;i=(f|0)==(j|0)&e>>>0>u>>>0|f>>>0>j>>>0;e=i?e:u;f=i?f:j;i=J>>31;L=e;t=i^C;u=t-i|0;j=(i^J)-((i>>>0>t>>>0)+i|0)|0;e=(f|0)==(j|0)&e>>>0>u>>>0|f>>>0>j>>>0;f=Tj(-1,2147483647,e?L:u,e?f:j)>>>0>>0;e=da;if(f&(e|0)<=(q|0)|(e|0)<(q|0)){break e}j=1;e=0;f=n;n=Sj(Rj(l,q,x,E),da,r,s);f=f+n|0;i=da+N|0;i=f>>>0>>0?i+1|0:i;n=h-f|0;f=T-((f>>>0>h>>>0)+i|0)|0;n=Rj(n,f,n,f);x=da;f=g;i=Sj(Rj(l,q,A,G),da,r,s);h=i+z|0;g=da+O|0;g=h>>>0>>0?g+1|0:g;i=f-h|0;f=U-((f>>>0>>0)+g|0)|0;g=Rj(i,f,i,f);h=g+n|0;f=da+x|0;f=h>>>0>>0?f+1|0:f;n=h;g=Sj(Rj(l,q,C,J),da,r,s);h=g+B|0;i=da+P|0;i=h>>>0>>0?i+1|0:i;g=m-h|0;h=V-((h>>>0>m>>>0)+i|0)|0;m=Rj(g,h,g,h);h=m+n|0;g=da+f|0;f=Rj(h,h>>>0>>0?g+1|0:g,r,s);h=da;m=h;if(!h&f>>>0<=1){break h}i=f;while(1){g=e<<1|j>>>31;j=j<<1;e=g;n=!h&i>>>0>7|(h|0)!=0;i=(h&3)<<30|i>>>2;h=h>>>2|0;if(n){continue}break}break g}if((d|0)>(f|0)){e=f<<1}else{if((d|0)<=0){H[o+8>>2]=0;H[o+12>>2]=0;break j}e=(d<<1)-2|0}e=(e<<2)+c|0;H[o+8>>2]=H[e>>2];H[o+12>>2]=H[e+4>>2]}p=1;break e}Ca();v()}e=m;j=f;if(f-1|0){break f}}while(1){h=Tj(f,m,j,e);i=e+da|0;e=h+j|0;i=e>>>0>>0?i+1|0:i;j=(i&1)<<31|e>>>1;e=i>>>1|0;h=Rj(j,e,j,e);g=da;if((m|0)==(g|0)&f>>>0>>0|g>>>0>m>>>0){continue}break}}f=H[o+20>>2];if(!f){break e}g=f-1|0;i=H[H[o+16>>2]+(g>>>3&536870908)>>2];H[o+20>>2]=g;p=1;f=Rj(l,q,y,w);h=da;n=Rj(r,s,K,S);m=n+f|0;f=da+h|0;f=m>>>0>>0?f+1|0:f;h=Rj(j,e,D,W);g=i>>>g&1;i=g?0-h|0:h;m=i+m|0;n=f;f=da;h=n+(g?0-(f+((h|0)!=0)|0)|0:f)|0;Z=o,_=Sj(m,i>>>0>m>>>0?h+1|0:h,r,s),H[Z+12>>2]=_;f=Rj(l,q,D,W);h=da;l=Rj(r,s,Q,R);f=l+f|0;i=da+h|0;e=Rj(j,e,y,w);h=0-e|0;j=da;i=(f>>>0>>0?i+1|0:i)+(g?j:0-(((e|0)!=0)+j|0)|0)|0;h=g?e:h;f=h+f|0;Z=o,_=Sj(f,f>>>0>>0?i+1|0:i,r,s),H[Z+8>>2]=_}ca=k+80|0;if(!p){return 0}l:{if(H[a+8>>2]<=0){break l}g=H[M>>2];e=0;while(1){f=e<<2;h=H[f+Y>>2];j=H[a+16>>2];m:{if((h|0)>(j|0)){H[f+g>>2]=j;break m}f=f+g|0;j=H[a+12>>2];if((j|0)>(h|0)){H[f>>2]=j;break m}H[f>>2]=h}e=e+1|0;h=H[a+8>>2];if((e|0)<(h|0)){continue}break}f=0;if((h|0)<=0){break l}e=d<<3;j=e+c|0;l=b+e|0;while(1){h=f<<2;e=h+j|0;h=H[h+l>>2]+H[h+g>>2]|0;H[e>>2]=h;n:{if((h|0)>H[a+16>>2]){i=h-H[a+20>>2]|0}else{if((h|0)>=H[a+12>>2]){break n}i=h+H[a+20>>2]|0}H[e>>2]=i}f=f+1|0;if((f|0)>2]){continue}break}}d=d+1|0;if((X|0)!=(d|0)){continue}break}}return p|0}Ca();v()}function $a(a,b){var c=0,d=0,e=0,f=0,g=0;e=ca-16|0;ca=e;H[a+12>>2]=b;H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;d=a+16|0;H[d>>2]=0;H[d+4>>2]=0;F[d+5|0]=0;F[d+6|0]=0;F[d+7|0]=0;F[d+8|0]=0;F[d+9|0]=0;F[d+10|0]=0;F[d+11|0]=0;F[d+12|0]=0;c=d+16|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+32|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+48|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d- -64|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+80|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+96|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+112|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+128|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+144|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+160|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+176|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+192|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+208|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+224|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+240|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+256|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+272|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+288|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+304|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+320|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+336|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+352|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+368|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+384|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+400|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+416|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+432|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+448|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+464|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c=d+480|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;d=d+496|0;H[d>>2]=0;H[d+4>>2]=0;F[d+5|0]=0;F[d+6|0]=0;F[d+7|0]=0;F[d+8|0]=0;F[d+9|0]=0;F[d+10|0]=0;F[d+11|0]=0;F[d+12|0]=0;H[a+528>>2]=0;H[a+532>>2]=0;F[a+533|0]=0;F[a+534|0]=0;F[a+535|0]=0;F[a+536|0]=0;F[a+537|0]=0;F[a+538|0]=0;F[a+539|0]=0;F[a+540|0]=0;H[a+544>>2]=0;H[a+548>>2]=0;H[a+560>>2]=0;H[a+552>>2]=0;H[a+556>>2]=0;H[a+564>>2]=0;H[a+568>>2]=0;H[a+580>>2]=0;H[a+572>>2]=0;H[a+576>>2]=0;H[a+584>>2]=0;H[a+588>>2]=0;H[a+600>>2]=0;H[a+592>>2]=0;H[a+596>>2]=0;H[a+612>>2]=0;H[a+604>>2]=0;H[a+608>>2]=0;g=a+628|0;a:{b:{if(b){if(b>>>0<1073741824){break b}sa();v()}H[a+616>>2]=0;H[a+620>>2]=0;H[a+624>>2]=0;H[e+8>>2]=0;H[e>>2]=0;H[e+4>>2]=0;d=1;break a}d=b<<2;c=pa(d);H[a+604>>2]=c;f=c+d|0;H[a+612>>2]=f;ra(c,0,d);H[a+624>>2]=0;H[a+616>>2]=0;H[a+620>>2]=0;H[a+608>>2]=f;c=pa(d);H[a+616>>2]=c;f=c+d|0;H[a+624>>2]=f;ra(c,0,d);H[a+620>>2]=f;c=pa(d);H[e>>2]=c;f=c+d|0;H[e+8>>2]=f;ra(c,0,d);H[e+4>>2]=f;d=b<<5|1}tb(g,d,e);c=H[e>>2];if(c){H[e+4>>2]=c;oa(c)}H[e+8>>2]=0;H[e>>2]=0;H[e+4>>2]=0;if(b){b=b<<2;c=pa(b);H[e>>2]=c;f=b+c|0;H[e+8>>2]=f;ra(c,0,b);H[e+4>>2]=f}tb(a+640|0,d,e);b=H[e>>2];if(b){H[e+4>>2]=b;oa(b)}ca=e+16|0;return a}function gc(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=O(0),n=O(0),o=0;a:{b:{if(!d){break b}c:{switch(H[a+28>>2]-1|0){case 0:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}G[(g<<1)+d>>1]=F[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}G[(g<<1)+d>>1]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}G[(g<<1)+d>>1]=J[b>>1];b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){return 0}e=G[b>>1];if((e|0)<0){break b}G[(g<<1)+d>>1]=e;b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=H[b>>2];if(e+32768>>>0>65535){break b}G[(g<<1)+d>>1]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=H[b>>2];if(e>>>0>32767){break b}G[(g<<1)+d>>1]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;k=H[e+4>>2];while(1){if(b>>>0>=k>>>0){break b}h=H[b+4>>2];e=H[b>>2];i=e+32768|0;h=i>>>0<32768?h+1|0:h;if(!h&i>>>0>65535|h){break b}G[(g<<1)+d>>1]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}k=H[b+4>>2];e=H[b>>2];if(!k&e>>>0>32767|k){break b}G[(g<<1)+d>>1]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 8:d:{e:{e=I[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break e}e=H[a>>2];j=H[e>>2];g=j;f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=H[e+4>>2];e=f-j|0;if(!I[a+32|0]){j=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=L[g>>2];if(m>=O(32767)|m>1]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}j=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=L[g>>2];if(m>=O(32767)|mO(1)){break d}e=(b<<1)+d|0;l=T(+m*32767+.5);f:{if(P(l)<2147483648){i=~~l;break f}i=-2147483648}G[e>>1]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}j=1;if(c>>>0<=e>>>0){break d}ra((e<<1)+d|0,0,c-e<<1)}return j;case 9:g:{h:{e=I[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break h}e=H[a>>2];j=H[e>>2];g=j;f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=H[e+4>>2];e=f-j|0;if(!I[a+32|0]){j=0;if((b|0)>=(e|0)){break g}b=0;while(1){l=M[g>>3];if(l>=32767|l<-32768|l!=l){break g}o=P(l);if(o==Infinity){break g}e=(b<<1)+d|0;if(o<2147483648){i=~~l}else{i=-2147483648}G[e>>1]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}j=0;if((b|0)>=(e|0)){break g}b=0;while(1){l=M[g>>3];if(l>=32767|l<-32768|(P(l)==Infinity|l!=l)){break g}if(l<0|l>1){break g}e=(b<<1)+d|0;l=T(l*32767+.5);i:{if(P(l)<2147483648){i=~~l;break i}i=-2147483648}G[e>>1]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}j=1;if(c>>>0<=e>>>0){break g}ra((e<<1)+d|0,0,c-e<<1)}return j;case 10:break c;default:break b}}e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}G[(g<<1)+d>>1]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}ra((e<<1)+d|0,0,(c&255)-e<<1)}return j}ra((e<<1)+d|0,0,(c&255)-e<<1);return 1}function ec(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=O(0),n=O(0),o=0;a:{b:{if(!d){break b}c:{switch(H[a+28>>2]-1|0){case 0:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=F[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=G[b>>1];b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=J[b>>1];b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=H[b>>2];b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){return 0}e=H[b>>2];if((e|0)<0){break b}H[(g<<2)+d>>2]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;k=H[e+4>>2];while(1){if(b>>>0>=k>>>0){break b}h=H[b+4>>2];e=H[b>>2];if(e- -2147483648>>>0<2147483648?h+1|0:h){break b}H[(g<<2)+d>>2]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}k=H[b+4>>2];e=H[b>>2];if(!k&e>>>0>2147483647|k){break b}H[(g<<2)+d>>2]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 8:d:{e:{e=I[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break e}e=H[a>>2];j=H[e>>2];g=j;f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=H[e+4>>2];e=f-j|0;if(!I[a+32|0]){j=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=L[g>>2];if(m>=O(2147483648)|m>2]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}j=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=L[g>>2];if(m>=O(2147483648)|mO(1)){break d}e=(b<<2)+d|0;l=T(+m*2147483647+.5);f:{if(P(l)<2147483648){i=~~l;break f}i=-2147483648}H[e>>2]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}j=1;if(c>>>0<=e>>>0){break d}ra((e<<2)+d|0,0,c-e<<2)}return j;case 9:g:{h:{e=I[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break h}e=H[a>>2];j=H[e>>2];g=j;f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=H[e+4>>2];e=f-j|0;if(!I[a+32|0]){j=0;if((b|0)>=(e|0)){break g}b=0;while(1){l=M[g>>3];if(l>=2147483647|l<-2147483648|l!=l){break g}o=P(l);if(o==Infinity){break g}e=(b<<2)+d|0;if(o<2147483648){i=~~l}else{i=-2147483648}H[e>>2]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}j=0;if((b|0)>=(e|0)){break g}b=0;while(1){l=M[g>>3];if(l>=2147483647|l<-2147483648|(P(l)==Infinity|l!=l)){break g}if(l<0|l>1){break g}e=(b<<2)+d|0;l=T(l*2147483647+.5);i:{if(P(l)<2147483648){i=~~l;break i}i=-2147483648}H[e>>2]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}j=1;if(c>>>0<=e>>>0){break g}ra((e<<2)+d|0,0,c-e<<2)}return j;case 10:break c;default:break b}}e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}ra((e<<2)+d|0,0,(c&255)-e<<2)}return j}ra((e<<2)+d|0,0,(c&255)-e<<2);return 1}function fc(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=O(0);a:{b:{if(!d){break b}c:{switch(H[a+28>>2]-1|0){case 0:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){return 0}e=F[b|0];if((e|0)<0){break b}G[(g<<1)+d>>1]=e&255;b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}G[(g<<1)+d>>1]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){return 0}e=G[b>>1];if((e|0)<0){break b}G[(g<<1)+d>>1]=e;b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}G[(g<<1)+d>>1]=J[b>>1];b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=H[b>>2];if(e>>>0>65535){break b}G[(g<<1)+d>>1]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=H[b>>2];if(e>>>0>65535){break b}G[(g<<1)+d>>1]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}k=H[b+4>>2];e=H[b>>2];if(!k&e>>>0>65535|k){break b}G[(g<<1)+d>>1]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}k=H[b+4>>2];e=H[b>>2];if(!k&e>>>0>65535|k){break b}G[(g<<1)+d>>1]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 8:d:{e:{e=I[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break e}e=H[a>>2];l=H[e>>2];g=l;f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=H[e+4>>2];e=f-l|0;if(!I[a+32|0]){l=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=L[g>>2];if(m>=O(65535)|m=O(0)){i=~~m>>>0}else{i=0}G[e>>1]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}l=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=L[g>>2];if(m>=O(65535)|mO(1)){break d}e=(b<<1)+d|0;j=T(+m*65535+.5);f:{if(j<4294967296&j>=0){i=~~j>>>0;break f}i=0}G[e>>1]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}l=1;if(c>>>0<=e>>>0){break d}ra((e<<1)+d|0,0,c-e<<1)}return l;case 9:g:{h:{e=I[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break h}e=H[a>>2];l=H[e>>2];g=l;f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=H[e+4>>2];e=f-l|0;if(!I[a+32|0]){l=0;if((b|0)>=(e|0)){break g}b=0;while(1){j=M[g>>3];if(j>=65535|j<0|(P(j)==Infinity|j!=j)){break g}e=(b<<1)+d|0;if(j<4294967296&j>=0){i=~~j>>>0}else{i=0}G[e>>1]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}l=0;if((b|0)>=(e|0)){break g}b=0;while(1){j=M[g>>3];if(j>=65535|j<0|(P(j)==Infinity|j!=j)){break g}if(j>1){break g}e=(b<<1)+d|0;j=T(j*65535+.5);i:{if(j<4294967296&j>=0){i=~~j>>>0;break i}i=0}G[e>>1]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}l=1;if(c>>>0<=e>>>0){break g}ra((e<<1)+d|0,0,c-e<<1)}return l;case 10:break c;default:break b}}e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];k=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}G[(g<<1)+d>>1]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}ra((e<<1)+d|0,0,(c&255)-e<<1)}return l}ra((e<<1)+d|0,0,(c&255)-e<<1);return 1}function Sa(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=O(0),l=0,m=0,n=O(0),o=0;a:{if(!d){break a}b:{c:{switch(H[a+28>>2]-1|0){case 0:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;i=F[b|0];H[e>>2]=i;H[e+4>>2]=i>>31;b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 1:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;H[e>>2]=I[b|0];H[e+4>>2]=0;b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 2:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;i=G[b>>1];H[e>>2]=i;H[e+4>>2]=i>>31;b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 3:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;H[e>>2]=J[b>>1];H[e+4>>2]=0;b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 4:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;i=H[b>>2];H[e>>2]=i;H[e+4>>2]=i>>31;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 5:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;H[e>>2]=H[b>>2];H[e+4>>2]=0;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 6:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}i=H[b+4>>2];e=(g<<3)+d|0;H[e>>2]=H[b>>2];H[e+4>>2]=i;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 7:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=H[b>>2];i=H[b+4>>2];if((i|0)<0){break a}j=(g<<3)+d|0;H[j>>2]=e;H[j+4>>2]=i;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 8:d:{e=I[a+24|0];f=c&255;if(!(e>>>0>>0?e:f)){break d}if(I[a+32|0]){break a}e=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+e|0;e=H[a>>2];i=H[e+4>>2];e=H[e>>2];if((b|0)>=(i-e|0)){break a}g=b+e|0;h=c&255;b=0;while(1){k=L[g>>2];if(k>=O(0x8000000000000000)|k=O(1)?~~(k>O(0)?O(R(O(T(O(k*O(2.3283064365386963e-10)))),O(4294967296))):O(U(O(O(k-O(~~k>>>0>>>0))*O(2.3283064365386963e-10)))))>>>0:0;m=~~k>>>0;break e}j=-2147483648;m=0}H[e>>2]=m;H[e+4>>2]=j;b=b+1|0;e=I[a+24|0];if(b>>>0>=(e>>>0>>0?e:h)>>>0){break d}g=g+4|0;if(i>>>0>g>>>0){continue}break}break a}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 9:f:{e=I[a+24|0];f=c&255;if(!(e>>>0>>0?e:f)){break f}if(I[a+32|0]){break a}e=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+e|0;e=H[a>>2];i=H[e+4>>2];e=H[e>>2];if((b|0)>=(i-e|0)){break a}g=b+e|0;h=c&255;b=0;while(1){l=M[g>>3];if(l>=0x8000000000000000|l<-0x8000000000000000|l!=l){break a}o=P(l);if(o==Infinity){break a}e=(b<<3)+d|0;g:{if(o<0x8000000000000000){j=P(l)>=1?~~(l>0?R(T(l*2.3283064365386963e-10),4294967295):U((l-+(~~l>>>0>>>0))*2.3283064365386963e-10))>>>0:0;m=~~l>>>0;break g}j=-2147483648;m=0}H[e>>2]=m;H[e+4>>2]=j;b=b+1|0;e=I[a+24|0];if(b>>>0>=(e>>>0>>0?e:h)>>>0){break f}g=g+8|0;if(i>>>0>g>>>0){continue}break}break a}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 10:break c;default:break a}}e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;H[e>>2]=I[b|0];H[e+4>>2]=0;b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0}ra(d,0,a<<3)}}function Oj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;j=a;a:{b:{c:{d:{e:{f:{g:{h:{a=H[a+8>>2];switch(H[a+28>>2]-1|0){case 4:break c;case 5:break d;case 2:break e;case 3:break f;case 0:break g;case 1:break h;default:break a}}f=I[a+24|0];c=pa(f);a=H[j+16>>2];if(H[a+80>>2]){g=H[H[a>>2]>>2]+H[a+48>>2]|0}else{g=0}if(!b){break b}if(f){o=f&252;l=f&3;h=f>>>0<4;while(1){a=0;e=0;if(!h){while(1){k=g+(d<<2)|0;F[a+c|0]=H[k>>2];F[(a|1)+c|0]=H[k+4>>2];F[(a|2)+c|0]=H[k+8>>2];F[(a|3)+c|0]=H[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){F[a+c|0]=H[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}qa(H[H[H[j+8>>2]+64>>2]>>2]+m|0,c,f);m=f+m|0;n=n+1|0;if((n|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,f);a=a+f|0;qa(a+H[H[H[j+8>>2]+64>>2]>>2]|0,c,f);a=a+f|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,f);break b}f=I[a+24|0];c=pa(f);a=H[j+16>>2];if(H[a+80>>2]){g=H[H[a>>2]>>2]+H[a+48>>2]|0}else{g=0}if(!b){break b}if(f){o=f&252;l=f&3;h=f>>>0<4;while(1){a=0;e=0;if(!h){while(1){k=g+(d<<2)|0;F[a+c|0]=H[k>>2];F[(a|1)+c|0]=H[k+4>>2];F[(a|2)+c|0]=H[k+8>>2];F[(a|3)+c|0]=H[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){F[a+c|0]=H[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}qa(H[H[H[j+8>>2]+64>>2]>>2]+m|0,c,f);m=f+m|0;n=n+1|0;if((n|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,f);a=a+f|0;qa(a+H[H[H[j+8>>2]+64>>2]>>2]|0,c,f);a=a+f|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,f);break b}h=I[a+24|0];i=h<<1;c=pa(i);a=H[j+16>>2];if(H[a+80>>2]){g=H[H[a>>2]>>2]+H[a+48>>2]|0}else{g=0}if(!b){break b}if(h){o=h&252;l=h&3;h=h>>>0<4;while(1){a=0;e=0;if(!h){while(1){f=a<<1;k=g+(d<<2)|0;G[f+c>>1]=H[k>>2];G[(f|2)+c>>1]=H[k+4>>2];G[(f|4)+c>>1]=H[k+8>>2];G[(f|6)+c>>1]=H[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){G[(a<<1)+c>>1]=H[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}qa(H[H[H[j+8>>2]+64>>2]>>2]+n|0,c,i);n=i+n|0;m=m+1|0;if((m|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,i);a=a+i|0;qa(a+H[H[H[j+8>>2]+64>>2]>>2]|0,c,i);a=a+i|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,i);break b}h=I[a+24|0];i=h<<1;c=pa(i);a=H[j+16>>2];if(H[a+80>>2]){g=H[H[a>>2]>>2]+H[a+48>>2]|0}else{g=0}if(!b){break b}if(h){o=h&252;l=h&3;h=h>>>0<4;while(1){a=0;e=0;if(!h){while(1){f=a<<1;k=g+(d<<2)|0;G[f+c>>1]=H[k>>2];G[(f|2)+c>>1]=H[k+4>>2];G[(f|4)+c>>1]=H[k+8>>2];G[(f|6)+c>>1]=H[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){G[(a<<1)+c>>1]=H[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}qa(H[H[H[j+8>>2]+64>>2]>>2]+n|0,c,i);n=i+n|0;m=m+1|0;if((m|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,i);a=a+i|0;qa(a+H[H[H[j+8>>2]+64>>2]>>2]|0,c,i);a=a+i|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,i);break b}h=I[a+24|0];i=h<<2;c=pa(i);a=H[j+16>>2];if(H[a+80>>2]){g=H[H[a>>2]>>2]+H[a+48>>2]|0}else{g=0}if(!b){break b}if(h){o=h&252;l=h&3;h=h>>>0<4;while(1){a=0;e=0;if(!h){while(1){f=a<<2;k=g+(d<<2)|0;H[f+c>>2]=H[k>>2];H[(f|4)+c>>2]=H[k+4>>2];H[(f|8)+c>>2]=H[k+8>>2];H[(f|12)+c>>2]=H[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){H[(a<<2)+c>>2]=H[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}qa(H[H[H[j+8>>2]+64>>2]>>2]+n|0,c,i);n=i+n|0;m=m+1|0;if((m|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,i);a=a+i|0;qa(a+H[H[H[j+8>>2]+64>>2]>>2]|0,c,i);a=a+i|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,i);break b}h=I[a+24|0];i=h<<2;c=pa(i);a=H[j+16>>2];if(H[a+80>>2]){g=H[H[a>>2]>>2]+H[a+48>>2]|0}else{g=0}if(!b){break b}if(h){o=h&252;l=h&3;h=h>>>0<4;while(1){a=0;e=0;if(!h){while(1){f=a<<2;k=g+(d<<2)|0;H[f+c>>2]=H[k>>2];H[(f|4)+c>>2]=H[k+4>>2];H[(f|8)+c>>2]=H[k+8>>2];H[(f|12)+c>>2]=H[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){H[(a<<2)+c>>2]=H[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}qa(H[H[H[j+8>>2]+64>>2]>>2]+n|0,c,i);n=i+n|0;m=m+1|0;if((m|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,i);a=a+i|0;qa(a+H[H[H[j+8>>2]+64>>2]>>2]|0,c,i);a=a+i|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}qa(H[H[H[j+8>>2]+64>>2]>>2]+a|0,c,i)}oa(c);c=1}return c|0}function dc(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=O(0);a:{b:{if(!d){break b}c:{switch(H[a+28>>2]-1|0){case 0:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=F[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=G[b>>1];b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=J[b>>1];b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=H[b>>2];b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=H[b>>2];b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=H[b>>2];if(H[b+4>>2]){break b}H[(g<<2)+d>>2]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=H[b>>2];if(H[b+4>>2]){break b}H[(g<<2)+d>>2]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 8:d:{e:{e=I[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break e}e=H[a>>2];k=H[e>>2];g=k;f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=H[e+4>>2];e=f-k|0;if(!I[a+32|0]){k=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=L[g>>2];if(m>=O(4294967296)|m=O(0)){i=~~m>>>0}else{i=0}H[e>>2]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}k=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=L[g>>2];if(m>=O(4294967296)|mO(1)){break d}e=(b<<2)+d|0;j=T(+m*4294967295+.5);f:{if(j<4294967296&j>=0){i=~~j>>>0;break f}i=0}H[e>>2]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}k=1;if(c>>>0<=e>>>0){break d}ra((e<<2)+d|0,0,c-e<<2)}return k;case 9:g:{h:{e=I[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break h}e=H[a>>2];k=H[e>>2];g=k;f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=H[e+4>>2];e=f-k|0;if(!I[a+32|0]){k=0;if((b|0)>=(e|0)){break g}b=0;while(1){j=M[g>>3];if(j>=4294967295|j<0|(P(j)==Infinity|j!=j)){break g}e=(b<<2)+d|0;if(j<4294967296&j>=0){i=~~j>>>0}else{i=0}H[e>>2]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}k=0;if((b|0)>=(e|0)){break g}b=0;while(1){j=M[g>>3];if(j>=4294967295|j<0|(P(j)==Infinity|j!=j)){break g}if(j>1){break g}e=(b<<2)+d|0;j=T(j*4294967295+.5);i:{if(j<4294967296&j>=0){i=~~j>>>0;break i}i=0}H[e>>2]=i;b=b+1|0;e=I[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}k=1;if(c>>>0<=e>>>0){break g}ra((e<<2)+d|0,0,c-e<<2)}return k;case 10:break c;default:break b}}e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];h=H[e>>2];l=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=H[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}H[(g<<2)+d>>2]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}ra((e<<2)+d|0,0,(c&255)-e<<2)}return k}ra((e<<2)+d|0,0,(c&255)-e<<2);return 1}function ye(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;a:{b:{c:{d:{e:{if(H[a+92>>2]==H[a+88>>2]){break e}c=H[a+52>>2];f:{if((c|0)!=H[a+56>>2]){H[c>>2]=b;H[a+52>>2]=c+4;break f}h=H[a+48>>2];g=c-h|0;d=g>>2;f=d+1|0;if(f>>>0>=1073741824){break a}e=g>>>1|0;g=g>>>0>=2147483644?1073741823:f>>>0>>0?e:f;if(g){if(g>>>0>=1073741824){break d}e=pa(g<<2)}else{e=0}f=e+(d<<2)|0;H[f>>2]=b;d=f+4|0;if((c|0)!=(h|0)){while(1){f=f-4|0;c=c-4|0;H[f>>2]=H[c>>2];if((c|0)!=(h|0)){continue}break}}H[a+56>>2]=e+(g<<2);H[a+52>>2]=d;H[a+48>>2]=f;if(!h){break f}oa(h)}H[a+84>>2]=0;c=-1;e=-1;g:{if((b|0)==-1){break g}d=H[a+4>>2];e=b+1|0;e=(e>>>0)%3|0?e:b-2|0;if((e|0)!=-1){c=H[H[d>>2]+(e<<2)>>2]}h:{if((b>>>0)%3|0){l=b-1|0;break h}l=b+2|0;e=-1;if((l|0)==-1){break g}}e=H[H[d>>2]+(l<<2)>>2]}i=e>>>3&536870908;d=H[a+36>>2];h=d+(c>>>3&536870908)|0;g=H[h>>2];f=1<>2]=f|g;f=a+8|0;if((b|0)!=-1){d=b+1|0;d=(d>>>0)%3|0?d:b-2|0}else{d=-1}Ua(f,c,d);d=H[a+36>>2]}f=d+i|0;d=H[f>>2];c=1<>2]=c|d;d=a+8|0;c=-1;i:{if((b|0)==-1){break i}c=b-1|0;if((b>>>0)%3|0){break i}c=b+2|0}Ua(d,e,c)}c=-1;c=(b|0)!=-1?H[H[H[a+4>>2]>>2]+(b<<2)>>2]:c;f=H[a+36>>2]+(c>>>3&536870908)|0;d=H[f>>2];e=1<>2]=d|e;Ua(a+8|0,c,b)}d=H[a+84>>2];if((d|0)>2){break e}while(1){e=N(d,12)+a|0;b=H[e+52>>2];if((b|0)==H[e+48>>2]){d=d+1|0;if((d|0)!=3){continue}break e}b=b-4|0;c=H[b>>2];H[e+52>>2]=b;H[a+84>>2]=d;if((c|0)==-1){break e}f=H[a+24>>2];b=(c>>>0)/3|0;j:{if(H[f+(b>>>3&268435452)>>2]>>>b&1){break j}k:{while(1){k=(c>>>0)/3|0;b=(k>>>3&268435452)+f|0;H[b>>2]=H[b>>2]|1<>2]>>2]+(c<<2)>>2]:d;f=H[a+36>>2]+(d>>>3&536870908)|0;e=H[f>>2];b=1<>2]=b|e;i=H[(H[H[a+16>>2]+96>>2]+N(k,12)|0)+((c>>>0)%3<<2)>>2];l=H[H[a+20>>2]+4>>2];f=H[l+4>>2];t:{if((f|0)!=H[l+8>>2]){H[f>>2]=i;H[l+4>>2]=f+4;break t}j=H[l>>2];h=f-j|0;g=h>>2;e=g+1|0;if(e>>>0>=1073741824){break s}b=h>>>1|0;h=h>>>0>=2147483644?1073741823:b>>>0>e>>>0?b:e;if(h){if(h>>>0>=1073741824){break d}e=pa(h<<2)}else{e=0}b=e+(g<<2)|0;H[b>>2]=i;g=b+4|0;if((f|0)!=(j|0)){while(1){b=b-4|0;f=f-4|0;H[b>>2]=H[f>>2];if((f|0)!=(j|0)){continue}break}}H[l+8>>2]=e+(h<<2);H[l+4>>2]=g;H[l>>2]=b;if(!j){break t}oa(j)}j=H[a+12>>2];f=H[j+4>>2];u:{if((f|0)!=H[j+8>>2]){H[f>>2]=c;H[j+4>>2]=f+4;break u}i=H[j>>2];h=f-i|0;g=h>>2;e=g+1|0;if(e>>>0>=1073741824){break r}b=h>>>1|0;h=h>>>0>=2147483644?1073741823:b>>>0>e>>>0?b:e;if(h){if(h>>>0>=1073741824){break d}e=pa(h<<2)}else{e=0}b=e+(g<<2)|0;H[b>>2]=c;g=b+4|0;if((f|0)!=(i|0)){while(1){b=b-4|0;f=f-4|0;H[b>>2]=H[f>>2];if((f|0)!=(i|0)){continue}break}}H[j+8>>2]=e+(h<<2);H[j+4>>2]=g;H[j>>2]=b;if(!i){break u}oa(i)}b=H[a+12>>2];H[H[b+12>>2]+(d<<2)>>2]=H[b+24>>2];H[b+24>>2]=H[b+24>>2]+1}if((c|0)==-1){break k}g=H[a+4>>2];f=-1;b=c+1|0;b=(b>>>0)%3|0?b:c-2|0;if((b|0)!=-1){f=H[H[g+12>>2]+(b<<2)>>2]}v:{w:{if((N(k,3)|0)!=(c|0)){d=c-1|0;break w}d=c+2|0;c=-1;if((d|0)==-1){break v}}c=H[H[g+12>>2]+(d<<2)>>2]}d=(c|0)==-1;e=(c>>>0)/3|0;if((f|0)!=-1){b=(f>>>0)/3|0;b=H[H[a+24>>2]+(b>>>3&268435452)>>2]&1<>2]+(b>>>3&536870908)>>2]>>>b&1){break x}k=0;b=H[H[g>>2]+(c<<2)>>2];if(!(H[H[a+36>>2]+(b>>>3&536870908)>>2]>>>b&1)){b=H[a+88>>2]+(b<<2)|0;e=H[b>>2];H[b>>2]=e+1;k=(e|0)<=0?2:1}if(H[a+84>>2]>=(k|0)&l){break m}j=N(k,12)+a|0;b=H[j+52>>2];y:{if((b|0)!=H[j+56>>2]){H[b>>2]=c;H[j+52>>2]=b+4;break y}i=H[j+48>>2];h=b-i|0;d=h>>2;g=d+1|0;if(g>>>0>=1073741824){break c}e=h>>>1|0;g=h>>>0>=2147483644?1073741823:e>>>0>g>>>0?e:g;if(g){if(g>>>0>=1073741824){break d}e=pa(g<<2)}else{e=0}d=e+(d<<2)|0;H[d>>2]=c;c=d+4|0;if((b|0)!=(i|0)){while(1){d=d-4|0;b=b-4|0;H[d>>2]=H[b>>2];if((b|0)!=(i|0)){continue}break}}H[j+48>>2]=d;H[j+52>>2]=c;H[j+56>>2]=e+(g<<2);if(!i){break y}oa(i)}if(H[a+84>>2]<=(k|0)){break x}H[a+84>>2]=k}if(l){break k}c=-1;if((f|0)==-1){break n}}c=H[H[H[a+4>>2]>>2]+(f<<2)>>2]}b=0;if(!(H[H[a+36>>2]+(c>>>3&536870908)>>2]>>>c&1)){b=H[a+88>>2]+(c<<2)|0;c=H[b>>2];H[b>>2]=c+1;b=(c|0)<=0?2:1}if(H[a+84>>2]<(b|0)){break l}c=f}f=H[a+24>>2];continue}break}k=N(b,12)+a|0;c=H[k+52>>2];z:{if((c|0)!=H[k+56>>2]){H[c>>2]=f;H[k+52>>2]=c+4;break z}i=H[k+48>>2];h=c-i|0;d=h>>2;g=d+1|0;if(g>>>0>=1073741824){break b}e=h>>>1|0;g=h>>>0>=2147483644?1073741823:e>>>0>g>>>0?e:g;if(g){if(g>>>0>=1073741824){break d}e=pa(g<<2)}else{e=0}d=e+(d<<2)|0;H[d>>2]=f;f=d+4|0;if((c|0)!=(i|0)){while(1){d=d-4|0;c=c-4|0;H[d>>2]=H[c>>2];if((c|0)!=(i|0)){continue}break}}H[k+48>>2]=d;H[k+52>>2]=f;H[k+56>>2]=e+(g<<2);if(!i){break z}oa(i)}d=H[a+84>>2];if((d|0)<=(b|0)){break j}H[a+84>>2]=b;d=b;break j}d=H[a+84>>2]}if((d|0)<3){continue}break}}return 1}wa();v()}sa();v()}sa();v()}sa();v()}function gd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;n=ca-96|0;ca=n;o=H[a+4>>2];d=H[o+32>>2];i=H[d+8>>2];j=H[d+12>>2];e=j;c=H[d+20>>2];f=H[d+16>>2];a:{if((e|0)<=(c|0)&f>>>0>=i>>>0|(c|0)>(e|0)){break a}p=H[d>>2];g=I[p+f|0];h=f+1|0;e=h?c:c+1|0;H[d+16>>2]=h;H[d+20>>2]=e;if((e|0)>=(j|0)&h>>>0>=i>>>0|(e|0)>(j|0)){break a}m=I[h+p|0];h=f+2|0;e=h>>>0<2?c+1|0:c;H[d+16>>2]=h;H[d+20>>2]=e;l=g<<24>>24;b:{if((l|0)>=0){k=H[a+216>>2];if(g>>>0>=(H[a+220>>2]-k|0)/144>>>0){break a}k=k+N(g,144)|0;if(H[k>>2]<0){break b}break a}if(H[a+212>>2]>=0){break a}k=a+212|0}H[k>>2]=b;c:{d:{e:{f:{g:{h:{k=J[o+36>>1];i:{if(((k<<8|k>>>8)&65535)>>>0>=258){if((e|0)>=(j|0)&h>>>0>=i>>>0|(e|0)>(j|0)){break a}e=I[h+p|0];f=f+3|0;c=f>>>0<3?c+1|0:c;H[d+16>>2]=f;H[d+20>>2]=c;if(e>>>0>1){break a}d=e>>>0<2?e:0;if(!m){break i}if(!d){break h}break a}if(m){break g}d=0}if((l|0)<0){e=a+184|0}else{c=H[a+216>>2]+N(g,144)|0;F[c+100|0]=0;e=c+104|0}if((d|0)!=1){break e}c=ca-112|0;ca=c;h=H[H[a+4>>2]+44>>2];d=pa(120);H[d>>2]=12172;H[d+4>>2]=0;H[d+116>>2]=0;H[d+112>>2]=e;H[d+108>>2]=h;H[d+12>>2]=0;H[d+16>>2]=0;H[d+20>>2]=0;H[d+24>>2]=0;H[d+28>>2]=0;H[d+32>>2]=0;H[d+36>>2]=0;H[d+40>>2]=0;H[d+44>>2]=0;H[d+48>>2]=0;H[d+52>>2]=0;H[d+56>>2]=0;H[d+60>>2]=0;H[d+8>>2]=12384;f=d- -64|0;H[f>>2]=0;H[f+4>>2]=0;H[d+72>>2]=0;H[d+76>>2]=0;H[d+80>>2]=0;H[d+84>>2]=0;H[d+88>>2]=0;H[d+104>>2]=0;H[d+96>>2]=0;H[d+100>>2]=0;f=H[a+8>>2];H[c+48>>2]=0;H[c+52>>2]=0;H[c+40>>2]=0;H[c+44>>2]=0;i=c+32|0;H[i>>2]=0;H[i+4>>2]=0;H[c+24>>2]=0;H[c+28>>2]=0;g=c- -64|0;H[g>>2]=0;H[g+4>>2]=0;H[c+72>>2]=0;H[c+76>>2]=0;H[c+80>>2]=0;H[c+84>>2]=0;H[c+88>>2]=0;H[c+104>>2]=0;H[c+16>>2]=0;H[c+20>>2]=0;H[c+56>>2]=0;H[c+60>>2]=0;H[c+8>>2]=12384;H[c+96>>2]=0;H[c+100>>2]=0;H[c+12>>2]=f;g=H[f>>2];j=H[f+4>>2];F[c+111|0]=0;m=i;i=c+111|0;Oa(m,(j-g>>2>>>0)/3|0,i);g=H[c+12>>2];j=H[g+28>>2];g=H[g+24>>2];F[c+111|0]=0;Oa(c+44|0,j-g>>2,i);H[c+28>>2]=d;H[c+24>>2]=h;H[c+20>>2]=e;H[c+16>>2]=f;f=d+8|0;e=c+8|0;fd(f,e);j:{if((e|0)==(f|0)){H[d+92>>2]=H[e+84>>2];break j}Cb(d+56|0,H[e+48>>2],H[e+52>>2]);Cb(d+68|0,H[e+60>>2],H[e- -64>>2]);Cb(d+80|0,H[e+72>>2],H[e+76>>2]);H[d+92>>2]=H[e+84>>2];Aa(d+96|0,H[e+88>>2],H[e+92>>2])}H[c+8>>2]=12384;e=H[c+96>>2];if(e){H[c+100>>2]=e;oa(e)}e=H[c+80>>2];if(e){H[c+84>>2]=e;oa(e)}e=H[c+68>>2];if(e){H[c+72>>2]=e;oa(e)}e=H[c+56>>2];if(e){H[c+60>>2]=e;oa(e)}H[c+8>>2]=12620;e=H[c+44>>2];if(e){oa(e)}e=H[c+32>>2];if(e){oa(e)}ca=c+112|0;break d}if((l|0)>=0){break f}break a}if((l|0)<0){break a}}e=H[a+216>>2];c=H[o+44>>2];d=pa(80);H[d>>2]=12932;H[d+4>>2]=0;H[d+76>>2]=0;H[d+68>>2]=c;H[d+8>>2]=11872;H[d+12>>2]=0;H[d+16>>2]=0;H[d+20>>2]=0;H[d+24>>2]=0;H[d+28>>2]=0;H[d+32>>2]=0;H[d+36>>2]=0;H[d+40>>2]=0;H[d+44>>2]=0;H[d+48>>2]=0;H[d+52>>2]=0;e=e+N(g,144)|0;f=e+104|0;H[d+72>>2]=f;H[d- -64>>2]=0;H[d+56>>2]=0;H[d+60>>2]=0;H[n+24>>2]=c;c=n;H[c+68>>2]=0;H[c+72>>2]=0;H[c+60>>2]=0;H[c+64>>2]=0;H[c+52>>2]=0;H[c+56>>2]=0;H[c+44>>2]=0;H[c+48>>2]=0;H[c+84>>2]=0;H[c+88>>2]=0;H[c+76>>2]=0;H[c+80>>2]=0;H[c+28>>2]=d;h=H[c+28>>2];H[c+8>>2]=H[c+24>>2];H[c+12>>2]=h;H[c+20>>2]=f;f=e+4|0;H[c+16>>2]=f;H[c+36>>2]=0;H[c+40>>2]=0;H[c+32>>2]=11872;e=H[c+20>>2];H[c>>2]=H[c+16>>2];H[c+4>>2]=e;e=c+32|0;Ie(e,f,c);c=d+8|0;fd(c,e);if((c|0)!=(e|0)){Cb(d+56|0,H[e+48>>2],H[e+52>>2])}He(e);break c}c=ca+-64|0;ca=c;h=H[H[a+4>>2]+44>>2];d=pa(80);H[d>>2]=12640;H[d+4>>2]=0;H[d+76>>2]=0;H[d+72>>2]=e;H[d+68>>2]=h;H[d+8>>2]=12804;H[d+12>>2]=0;H[d+16>>2]=0;H[d+20>>2]=0;H[d+24>>2]=0;H[d+28>>2]=0;H[d+32>>2]=0;H[d+36>>2]=0;H[d+40>>2]=0;H[d+44>>2]=0;H[d+48>>2]=0;H[d+52>>2]=0;H[d- -64>>2]=0;i=d+56|0;f=i;H[f>>2]=0;H[f+4>>2]=0;f=H[a+8>>2];H[c+40>>2]=0;H[c+44>>2]=0;H[c+32>>2]=0;H[c+36>>2]=0;g=c+24|0;H[g>>2]=0;H[g+4>>2]=0;H[c+16>>2]=0;H[c+20>>2]=0;H[c+56>>2]=0;H[c+8>>2]=0;H[c+12>>2]=0;H[c+48>>2]=0;H[c+52>>2]=0;H[c>>2]=12804;H[c+4>>2]=f;j=H[f>>2];l=H[f+4>>2];F[c+63|0]=0;m=g;g=c+63|0;Oa(m,(l-j>>2>>>0)/3|0,g);j=H[c+4>>2];l=H[j+28>>2];j=H[j+24>>2];F[c+63|0]=0;Oa(c+36|0,l-j>>2,g);H[c+20>>2]=d;H[c+16>>2]=h;H[c+12>>2]=e;H[c+8>>2]=f;fd(d+8|0,c);Cb(i,H[c+48>>2],H[c+52>>2]);H[c>>2]=12804;e=H[c+48>>2];if(e){H[c+52>>2]=e;oa(e)}H[c>>2]=12620;e=H[c+36>>2];if(e){oa(e)}e=H[c+24>>2];if(e){oa(e)}ca=c- -64|0}if(!d){break a}}d=od(pa(64),d);c=H[a+4>>2];a=d;d=b;k:{l:{if((d|0)>=0){h=c+8|0;b=H[c+12>>2];i=H[c+8>>2];e=b-i>>2;m:{if((e|0)>(d|0)){break m}f=d+1|0;if(d>>>0>=e>>>0){Vb(h,f-e|0);break m}if(e>>>0<=f>>>0){break m}f=i+(f<<2)|0;if((f|0)!=(b|0)){while(1){b=b-4|0;e=H[b>>2];H[b>>2]=0;if(e){ea[H[H[e>>2]+4>>2]](e)}if((b|0)!=(f|0)){continue}break}}H[c+12>>2]=f}c=H[h>>2]+(d<<2)|0;b=H[c>>2];H[c>>2]=a;if(b){break l}break k}b=a;if(!a){break k}}ea[H[H[b>>2]+4>>2]](b)}q=(d^-1)>>>31|0}ca=n+96|0;return q|0}function Kd(a){var b=0,c=0,d=0,e=0,f=0,g=0;e=ca-16|0;ca=e;H[e+12>>2]=a;a:{if(a>>>0<=211){d=H[Jd(14256,14448,e+12|0)>>2];break a}if(a>>>0>=4294967292){X();v()}f=(a>>>0)/210|0;d=N(f,210);H[e+8>>2]=a-d;g=Jd(14448,14640,e+8|0)-14448>>2;while(1){d=H[(g<<2)+14448>>2]+d|0;a=5;while(1){b:{if((a|0)==47){a=211;while(1){b=(d>>>0)/(a>>>0)|0;if(b>>>0>>0){break a}if((N(a,b)|0)==(d|0)){break b}b=a+10|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+12|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+16|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+18|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+22|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+28|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+30|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+36|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+40|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+42|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+46|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+52|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+58|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+60|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+66|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+70|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+72|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+78|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+82|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+88|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+96|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+100|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+102|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+106|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+108|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+112|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+120|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+126|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+130|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+136|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+138|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+142|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+148|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+150|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+156|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+162|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+166|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+168|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+172|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+178|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+180|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+186|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+190|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+192|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+196|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+198|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((N(b,c)|0)==(d|0)){break b}b=a+208|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}a=a+210|0;if((N(b,c)|0)!=(d|0)){continue}break}break b}b=H[(a<<2)+14256>>2];c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}a=a+1|0;if((N(b,c)|0)!=(d|0)){continue}}break}d=g+1|0;a=(d|0)==48;g=a?0:d;f=a+f|0;d=N(f,210);continue}}ca=e+16|0;return d}function Ib(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;j=ca-16|0;ca=j;a:{b:{c:{d:{if(I[H[a+4>>2]+36|0]<=1){k=-1;c=H[b+20>>2];d=H[b+16>>2];e=d+4|0;c=e>>>0<4?c+1|0:c;g=H[b+12>>2];if(K[b+8>>2]>>0&(g|0)<=(c|0)|(c|0)>(g|0)){break c}d=d+H[b>>2]|0;l=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[j+12>>2]=l;H[b+16>>2]=e;H[b+20>>2]=c;break d}k=-1;if(!Ea(1,j+12|0,b)){break c}l=H[j+12>>2]}e:{f:{g:{h:{i:{if(!l){break i}c=H[a+8>>2];if((H[c+4>>2]-H[c>>2]>>2>>>0)/3>>>0>>0){break c}c=J[H[a+4>>2]+36>>1];if(((c<<8|c>>>8)&65535)>>>0>=258){j:{while(1){if(!Ea(1,j+8|0,b)){break c}c=H[j+8>>2];if(!Ea(1,j+8|0,b)){break c}f=c+f|0;c=H[j+8>>2];if(f>>>0>>0){break c}g=f-c|0;c=H[a+40>>2];k:{if((c|0)!=H[a+44>>2]){H[c+4>>2]=f;H[c>>2]=g;H[a+40>>2]=c+12;l=H[j+12>>2];break k}m=H[a+36>>2];d=c-m|0;o=(d|0)/12|0;e=o+1|0;if(e>>>0>=357913942){break j}c=o<<1;h=o>>>0>=178956970?357913941:c>>>0>e>>>0?c:e;if(h){if(h>>>0>=357913942){break b}i=pa(N(h,12))}else{i=0}e=i+N(o,12)|0;H[e+4>>2]=f;H[e>>2]=g;c=va(e+N((d|0)/-12|0,12)|0,m,d);H[a+44>>2]=i+N(h,12);H[a+40>>2]=e+12;H[a+36>>2]=c;if(!m){break k}oa(m)}p=p+1|0;if(l>>>0>p>>>0){continue}break}k=0;Db(b,0,0);if(l){while(1){e=I[b+36|0];c=J[H[a+4>>2]+36>>1];l:{m:{if(((c<<8|c>>>8)&65535)>>>0<=513){if(!e){break l}p=0;c=H[b+32>>2];n=c>>>3|0;g=H[b+24>>2];e=n+g|0;d=H[b+28>>2];n:{if(e>>>0>=d>>>0){f=c;break n}e=I[e|0];f=c+1|0;H[b+32>>2]=f;n=f>>>3|0;p=e>>>(c&7)&1}if(d>>>0>g+n>>>0){break m}break l}if(!e){break l}p=0;f=H[b+32>>2];c=H[b+24>>2]+(f>>>3|0)|0;if(c>>>0>=K[b+28>>2]){break l}p=I[c|0]>>>(f&7)&1}H[b+32>>2]=f+1}c=H[a+36>>2]+N(k,12)|0;F[c+8|0]=I[c+8|0]&254|p&1;k=k+1|0;if((k|0)!=(l|0)){continue}break}}F[b+36|0]=0;f=H[b+20>>2];e=0;d=H[b+32>>2]+7|0;e=d>>>0<7?1:e;c=e>>>3|0;e=(e&7)<<29|d>>>3;d=e+H[b+16>>2]|0;c=c+f|0;H[b+16>>2]=d;H[b+20>>2]=d>>>0>>0?c+1|0:c;break i}sa();v()}while(1){d=H[b+8>>2];c=H[b+12>>2];g=c;c=H[b+20>>2];e=c;h=H[b+16>>2];f=h+4|0;c=f>>>0<4?c+1|0:c;i=f;if(f>>>0>d>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break c}m=H[b>>2];f=m+h|0;o=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[b+16>>2]=i;H[b+20>>2]=c;c=e;f=h+8|0;c=f>>>0<8?c+1|0:c;if(d>>>0>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break c}i=i+m|0;i=I[i|0]|I[i+1|0]<<8|(I[i+2|0]<<16|I[i+3|0]<<24);H[b+16>>2]=f;H[b+20>>2]=c;if(d>>>0<=f>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break c}d=I[f+m|0];c=h+9|0;e=c>>>0<9?e+1|0:e;H[b+16>>2]=c;H[b+20>>2]=e;f=d&1;c=H[a+40>>2];o:{if((c|0)!=H[a+44>>2]){F[c+8|0]=f;H[c+4>>2]=i;H[c>>2]=o;H[a+40>>2]=c+12;l=H[j+12>>2];break o}m=H[a+36>>2];d=c-m|0;h=(d|0)/12|0;e=h+1|0;if(e>>>0>=357913942){break h}c=h<<1;g=h>>>0>=178956970?357913941:c>>>0>e>>>0?c:e;if(g){if(g>>>0>=357913942){break b}e=pa(N(g,12))}else{e=0}h=e+N(h,12)|0;F[h+8|0]=f;H[h+4>>2]=i;H[h>>2]=o;c=va(h+N((d|0)/-12|0,12)|0,m,d);H[a+44>>2]=e+N(g,12);H[a+40>>2]=h+12;H[a+36>>2]=c;if(!m){break o}oa(m)}n=n+1|0;if(l>>>0>n>>>0){continue}break}}H[j+8>>2]=0;c=J[H[a+4>>2]+36>>1];c=(c<<8|c>>>8)&65535;p:{if(c>>>0<=511){k=-1;c=H[b+20>>2];d=H[b+16>>2];e=d+4|0;c=e>>>0<4?c+1|0:c;f=H[b+12>>2];if(K[b+8>>2]>>0&(f|0)<=(c|0)|(c|0)>(f|0)){break c}d=d+H[b>>2]|0;f=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;break p}if((c|0)!=512){break e}k=-1;if(!Ea(1,j+8|0,b)){break c}f=H[j+8>>2]}if(!f){break e}c=J[H[a+4>>2]+36>>1];if(((c<<8|c>>>8)&65535)>>>0<258){break f}n=0;l=0;while(1){if(!Ea(1,j+4|0,b)){break c}l=H[j+4>>2]+l|0;c=H[a+52>>2];q:{if((c|0)!=H[a+56>>2]){H[c>>2]=l;H[a+52>>2]=c+4;break q}i=H[a+48>>2];g=c-i|0;e=g>>2;d=e+1|0;if(d>>>0>=1073741824){break g}c=g>>>1|0;d=g>>>0>=2147483644?1073741823:c>>>0>d>>>0?c:d;if(d){if(d>>>0>=1073741824){break b}c=pa(d<<2)}else{c=0}e=c+(e<<2)|0;H[e>>2]=l;c=va(c,i,g);H[a+56>>2]=c+(d<<2);H[a+52>>2]=e+4;H[a+48>>2]=c;if(!i){break q}oa(i)}n=n+1|0;if((n|0)!=(f|0)){continue}break}break e}sa();v()}sa();v()}k=0;while(1){c=H[b+20>>2];d=H[b+16>>2];e=d+4|0;c=e>>>0<4?c+1|0:c;g=H[b+12>>2];if(K[b+8>>2]>>0&(g|0)<=(c|0)|(c|0)>(g|0)){k=-1;break c}d=d+H[b>>2]|0;g=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;c=H[a+52>>2];r:{if((c|0)!=H[a+56>>2]){H[c>>2]=g;H[a+52>>2]=c+4;break r}h=H[a+48>>2];i=c-h|0;e=i>>2;d=e+1|0;if(d>>>0>=1073741824){break a}c=i>>>1|0;d=i>>>0>=2147483644?1073741823:c>>>0>d>>>0?c:d;if(d){if(d>>>0>=1073741824){break b}c=pa(d<<2)}else{c=0}e=c+(e<<2)|0;H[e>>2]=g;c=va(c,h,i);H[a+56>>2]=c+(d<<2);H[a+52>>2]=e+4;H[a+48>>2]=c;if(!h){break r}oa(h)}k=k+1|0;if((k|0)!=(f|0)){continue}break}}k=H[b+16>>2]}ca=j+16|0;return k}wa();v()}sa();v()}function Va(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=O(0),k=0,l=0;a:{if(!d){break a}b:{c:{switch(H[a+28>>2]-1|0){case 0:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];i=I[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=O(F[b|0]);L[(h<<2)+d>>2]=i?O(j/O(127)):j;b=b+1|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 1:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];i=I[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=O(I[b|0]);L[(h<<2)+d>>2]=i?O(j/O(255)):j;b=b+1|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 2:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];i=I[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=O(G[b>>1]);L[(h<<2)+d>>2]=i?O(j/O(32767)):j;b=b+2|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 3:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];i=I[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=O(J[b>>1]);L[(h<<2)+d>>2]=i?O(j/O(65535)):j;b=b+2|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 4:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];i=I[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=O(H[b>>2]);L[(h<<2)+d>>2]=i?O(j*O(4.656612873077393e-10)):j;b=b+4|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 5:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];i=I[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=O(K[b>>2]);L[(h<<2)+d>>2]=i?O(j*O(2.3283064365386963e-10)):j;b=b+4|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 6:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];i=I[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=O(+K[b>>2]+ +H[b+4>>2]*4294967296);L[(h<<2)+d>>2]=i?O(j*O(10842021724855044e-35)):j;b=b+8|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 7:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];i=I[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=O(+K[b>>2]+ +K[b+4>>2]*4294967296);L[(h<<2)+d>>2]=i?O(j*O(5.421010862427522e-20)):j;b=b+8|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 8:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];while(1){if(b>>>0>=g>>>0){break a}L[(h<<2)+d>>2]=L[b>>2];b=b+4|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 9:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];while(1){if(b>>>0>=g>>>0){break a}L[(h<<2)+d>>2]=M[b>>3];b=b+8|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 10:break c;default:break a}}e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[a>>2];g=H[e>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=H[e+4>>2];while(1){if(b>>>0>=g>>>0){break a}L[(h<<2)+d>>2]=I[b|0]?O(1):O(0);b=b+1|0;h=h+1|0;e=I[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0}ra(d,0,a<<2)}return l}function ic(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=O(0),m=O(0);a:{b:{if(!d){break b}c:{switch(H[a+28>>2]-1|0){case 0:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}F[d+g|0]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){return 0}e=F[b|0];if((e|0)<0){break b}F[d+g|0]=e;b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}e=J[b>>1];if((e+128&65535)>>>0>255){break b}F[d+g|0]=e;b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}e=J[b>>1];if(e>>>0>127){break b}F[d+g|0]=e;b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}e=H[b>>2];if(e+128>>>0>255){break b}F[d+g|0]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}e=H[b>>2];if(e>>>0>127){break b}F[d+g|0]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}i=H[b+4>>2];e=H[b>>2];h=e+128|0;i=h>>>0<128?i+1|0:i;if(!i&h>>>0>255|i){break b}F[d+g|0]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}i=H[b+4>>2];e=H[b>>2];if(!i&e>>>0>127|i){break b}F[d+g|0]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 8:e=I[a+24|0];c=c&255;d:{if(c>>>0>e>>>0?e:c){e=H[H[a>>2]>>2];f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+f|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break d}l=L[b>>2];if(l>=O(127)|lO(1)){break d}j=T(+l*127+.5);if(!(P(j)<2147483648)){break f}h=~~j;break e}if(!(m>>0<(c>>>0>e>>>0?e:c)>>>0){continue}break}}k=1;if(c>>>0<=e>>>0){break d}ra(d+e|0,0,c-e|0)}return k;case 9:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}j=M[b>>3];if(j>=127|j<-128|(P(j)==Infinity|j!=j)){break b}e=d+g|0;if(I[a+32|0]){if(j<0|j>1){break b}j=T(j*127+.5)}g:{if(P(j)<2147483648){h=~~j;break g}h=-2147483648}F[e|0]=h;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 10:break c;default:break b}}e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}F[d+g|0]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}ra(d+e|0,0,(c&255)-e|0)}return k}ra(d+e|0,0,(c&255)-e|0);return 1}function hc(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=O(0);a:{b:{if(!d){break b}c:{switch(H[a+28>>2]-1|0){case 0:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){return 0}e=F[b|0];if((e|0)<0){break b}F[d+g|0]=e;b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}F[d+g|0]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}e=J[b>>1];if(e>>>0>255){break b}F[d+g|0]=e;b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}e=J[b>>1];if(e>>>0>255){break b}F[d+g|0]=e;b=b+2|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}e=H[b>>2];if(e>>>0>255){break b}F[d+g|0]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}e=H[b>>2];if(e>>>0>255){break b}F[d+g|0]=e;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}i=H[b+4>>2];e=H[b>>2];if(!i&e>>>0>255|i){break b}F[d+g|0]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}i=H[b+4>>2];e=H[b>>2];if(!i&e>>>0>255|i){break b}F[d+g|0]=e;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 8:e=I[a+24|0];c=c&255;d:{if(c>>>0>e>>>0?e:c){e=H[H[a>>2]>>2];f=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+f|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break d}l=L[b>>2];if(l>=O(255)|lO(1)){break d}j=T(+l*255+.5);if(!(j<4294967296&j>=0)){break f}h=~~j>>>0;break e}if(!(l=O(0))){break f}h=~~l>>>0;break e}h=0}F[e|0]=h;b=b+4|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(c>>>0>e>>>0?e:c)>>>0){continue}break}}k=1;if(c>>>0<=e>>>0){break d}ra(d+e|0,0,c-e|0)}return k;case 9:e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}j=M[b>>3];if(j>=255|j<0|(P(j)==Infinity|j!=j)){break b}e=d+g|0;if(I[a+32|0]){if(j>1){break b}j=T(j*255+.5)}g:{if(j<4294967296&j>=0){h=~~j>>>0;break g}h=0}F[e|0]=h;b=b+8|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 10:break c;default:break b}}e=I[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=H[H[a>>2]>>2];i=H[a+48>>2];b=Rj(H[a+40>>2],H[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(K[H[a>>2]+4>>2]<=b>>>0){break b}F[d+g|0]=I[b|0];b=b+1|0;g=g+1|0;e=I[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}ra(d+e|0,0,(c&255)-e|0)}return k}ra(d+e|0,0,(c&255)-e|0);return 1}function Hh(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;g=ca-32|0;ca=g;i=H[a+32>>2];b=J[a+36>>1];a:{b:{if(((b<<8|b>>>8)&65535)>>>0<=513){b=H[i+8>>2];d=H[i+12>>2];c=b;b=H[i+20>>2];e=b;j=H[i+16>>2];f=j+4|0;b=f>>>0<4?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break a}n=H[i>>2];k=n+j|0;k=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);H[i+16>>2]=f;H[i+20>>2]=b;h=c;c=d;b=e;d=j+8|0;b=d>>>0<8?b+1|0:b;if(d>>>0>h>>>0&(b|0)>=(c|0)|(b|0)>(c|0)){break a}c=f+n|0;n=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[i+16>>2]=d;H[i+20>>2]=b;break b}if(!Fb(1,g+28|0,i)){break a}if(!Fb(1,g+24|0,H[a+32>>2])){break a}k=H[g+28>>2];n=H[g+24>>2]}if(k>>>0>1431655765){break a}d=H[a+32>>2];b=d;j=H[b+8>>2];c=H[b+16>>2];f=H[b+12>>2];b=H[b+20>>2];e=Sj(j-c|0,f-(b+(c>>>0>j>>>0)|0)|0,3,0);if(!da&e>>>0>>0){break a}e=Rj(k,0,3,0);if(!da&e>>>0>>0|((b|0)>=(f|0)&c>>>0>=j>>>0|(b|0)>(f|0))){break a}j=I[c+H[d>>2]|0];c=c+1|0;b=c?b:b+1|0;H[d+16>>2]=c;H[d+20>>2]=b;c:{d:{if(!j){d=0;c=ca-32|0;ca=c;H[c+24>>2]=0;H[c+16>>2]=0;H[c+20>>2]=0;e:{f:{b=N(k,3);if(b){if(b>>>0>=1073741824){break f}j=N(k,12);d=pa(j);ra(d,0,j)}b=kd(b,1,H[a+32>>2],d);g:{h:{if(!(!k|!b)){j=0;while(1){i:{b=(j<<2)+d|0;f=H[b>>2];e=f>>>1|0;f=(f&1?0-e|0:e)+l|0;if((f|0)<0){break i}H[c>>2]=f;e=H[b+4>>2];h=e>>>1|0;f=f+(e&1?0-h|0:h)|0;if((f|0)<0){break i}H[c+4>>2]=f;b=H[b+8>>2];e=b>>>1|0;l=f+(b&1?0-e|0:e)|0;if((l|0)<0){break i}H[c+8>>2]=l;Rb(H[a+44>>2]+96|0,c);j=j+3|0;b=1;o=o+1|0;if((o|0)!=(k|0)){continue}break h}break}b=0;break h}if(!d){break g}}oa(d)}ca=c+32|0;break e}sa();v()}if(b){break d}break a}if(n>>>0<=255){if(!k){break d}while(1){j:{H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;d=H[a+32>>2];b=d;j=H[b+16>>2];e=H[b+8>>2];c=H[b+20>>2];h=H[b+12>>2];b=h;if(e>>>0<=j>>>0&(c|0)>=(b|0)|(b|0)<(c|0)){break j}i=H[d>>2];l=I[i+j|0];b=c;f=j+1|0;b=f?b:b+1|0;H[d+16>>2]=f;H[d+20>>2]=b;H[g+8>>2]=l;l=e>>>0>>0&(c|0)>=(h|0)|(c|0)>(h|0);e=l?j:e;h=l?c:h;if((e|0)==(f|0)&(h|0)==(b|0)){break j}l=I[f+i|0];b=c;f=j+2|0;b=f>>>0<2?b+1|0:b;H[d+16>>2]=f;H[d+20>>2]=b;H[g+12>>2]=l;if((e|0)==(f|0)&(b|0)==(h|0)){break j}f=I[f+i|0];b=c;c=j+3|0;b=c>>>0<3?b+1|0:b;H[d+16>>2]=c;H[d+20>>2]=b;H[g+16>>2]=f;Rb(H[a+44>>2]+96|0,g+8|0);m=m+1|0;if((m|0)!=(k|0)){continue}break d}break}m=0;break a}if(n>>>0<=65535){if(!k){break d}while(1){k:{H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;i=H[a+32>>2];b=i;c=H[b+8>>2];d=H[b+12>>2];f=H[b+16>>2];b=H[b+20>>2];j=b;e=f+2|0;b=e>>>0<2?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break k}l=H[i>>2];h=l+f|0;h=I[h|0]|I[h+1|0]<<8;H[i+16>>2]=e;H[i+20>>2]=b;H[g+8>>2]=h;b=j;h=f+4|0;b=h>>>0<4?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break k}e=e+l|0;e=I[e|0]|I[e+1|0]<<8;H[i+16>>2]=h;H[i+20>>2]=b;H[g+12>>2]=e;e=c;b=j;c=f+6|0;b=c>>>0<6?b+1|0:b;if(c>>>0>e>>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break k}d=h+l|0;d=I[d|0]|I[d+1|0]<<8;H[i+16>>2]=c;H[i+20>>2]=b;H[g+16>>2]=d;Rb(H[a+44>>2]+96|0,g+8|0);m=m+1|0;if((m|0)!=(k|0)){continue}break d}break}m=0;break a}l:{if(n>>>0>2097151){break l}b=J[a+36>>1];if(((b<<8|b>>>8)&65535)>>>0<514){break l}if(!k){break d}while(1){m:{H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;if(!Fb(1,g+4|0,H[a+32>>2])){break m}H[g+8>>2]=H[g+4>>2];if(!Fb(1,g+4|0,H[a+32>>2])){break m}H[g+12>>2]=H[g+4>>2];if(!Fb(1,g+4|0,H[a+32>>2])){break m}H[g+16>>2]=H[g+4>>2];Rb(H[a+44>>2]+96|0,g+8|0);m=m+1|0;if((m|0)!=(k|0)){continue}break d}break}m=0;break a}if(!k){break d}while(1){H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;i=H[a+32>>2];b=i;c=H[b+8>>2];d=H[b+12>>2];f=H[b+16>>2];b=H[b+20>>2];j=b;e=f+4|0;b=e>>>0<4?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break c}l=H[i>>2];h=l+f|0;h=I[h|0]|I[h+1|0]<<8|(I[h+2|0]<<16|I[h+3|0]<<24);H[i+16>>2]=e;H[i+20>>2]=b;H[g+8>>2]=h;b=j;h=f+8|0;b=h>>>0<8?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break c}e=e+l|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[i+16>>2]=h;H[i+20>>2]=b;H[g+12>>2]=e;e=c;b=j;c=f+12|0;b=c>>>0<12?b+1|0:b;if(c>>>0>e>>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break c}d=h+l|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[i+16>>2]=c;H[i+20>>2]=b;H[g+16>>2]=d;Rb(H[a+44>>2]+96|0,g+8|0);m=m+1|0;if((m|0)!=(k|0)){continue}break}}H[H[a+4>>2]+80>>2]=n;m=1;break a}m=0}ca=g+32|0;return m|0}function zf(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=O(0),w=0;p=ca-16|0;ca=p;a:{if(!(H[a+60>>2]!=H[a- -64>>2]|H[a+48>>2]!=H[a+52>>2])){j=1;break a}j=1;if((ea[H[H[a>>2]+24>>2]](a)|0)<=0){break a}while(1){b:{b=ea[H[H[a>>2]+20>>2]](a,w)|0;c:{d:{e:{f=H[H[H[(ea[H[H[a>>2]+28>>2]](a)|0)+4>>2]+8>>2]+(b<<2)>>2];switch(H[f+28>>2]-1|0){case 8:break d;case 0:case 2:case 4:break e;default:break c}}b=I[f+24|0];f:{if(!b){n=0;j=0;break f}j=0;b=b<<2;n=pa(b);ra(n,0,b);b=I[f+24|0];if(!b){break f}b=b<<2;j=pa(b);ra(j,0,b)}g:{h:{i:{switch(H[f+28>>2]-1|0){case 4:i=0;h=0;d=0;b=0;k=0;e=I[f+24|0];j:{if(!e){g=0;break j}e=e<<2;h=pa(e);ra(h,0,e);g=pa(e);ra(g,0,e)}k:{if(H[f+80>>2]){while(1){o=H[f>>2];c=H[o>>2];m=H[f+48>>2];e=H[f+40>>2];l=Rj(e,H[f+44>>2],d,b);m=m+l|0;s=c+m|0;c=e;m=qa(h,s,c);l=I[f+24|0];if(l){t=H[a+48>>2];e=0;while(1){r=e<<2;s=H[r+m>>2];if((s|0)<0){break k}H[g+r>>2]=s+H[t+(e+u<<2)>>2];e=e+1|0;if((l|0)!=(e|0)){continue}break}}qa(H[o>>2]+N(d,c)|0,g,c);d=d+1|0;b=d?b:b+1|0;if(!b&K[f+80>>2]>d>>>0){continue}break}}k=1}if(g){oa(g)}if(h){oa(h)}if(k){break h}break g;case 2:g=0;e=0;d=0;b=0;c=I[f+24|0];if(c){c=c<<1;e=pa(c);ra(e,0,c);g=pa(c);ra(g,0,c)}if(H[f+80>>2]){while(1){l=H[f>>2];h=H[l>>2];i=H[f+48>>2];c=H[f+40>>2];k=Rj(c,H[f+44>>2],d,b);i=i+k|0;k=qa(e,h+i|0,c);o=I[f+24|0];l:{if(!o){break l}m=H[a+48>>2];h=0;if((o|0)!=1){t=o&254;i=0;while(1){r=h<<1;G[r+g>>1]=J[k+r>>1]+J[m+(h+u<<2)>>1];r=h|1;s=r<<1;G[s+g>>1]=J[k+s>>1]+J[m+(r+u<<2)>>1];h=h+2|0;i=i+2|0;if((t|0)!=(i|0)){continue}break}}if(!(o&1)){break l}i=h<<1;G[i+g>>1]=J[i+k>>1]+J[m+(h+u<<2)>>1]}qa(H[l>>2]+N(d,c)|0,g,c);d=d+1|0;b=d?b:b+1|0;if(!b&K[f+80>>2]>d>>>0){continue}break}}if(g){oa(g)}if(e){oa(e)}break h;case 0:break i;default:break h}}h=0;e=0;d=0;b=0;c=I[f+24|0];if(c){e=pa(c);ra(e,0,c);h=pa(c);ra(h,0,c)}if(H[f+80>>2]){while(1){t=H[f>>2];g=H[t>>2];i=H[f+48>>2];c=H[f+40>>2];k=Rj(c,H[f+44>>2],d,b);i=i+k|0;k=qa(e,g+i|0,c);o=I[f+24|0];m:{if(!o){break m}m=H[a+48>>2];g=0;if((o|0)!=1){r=o&254;i=0;while(1){F[g+h|0]=I[g+k|0]+I[m+(g+u<<2)|0];l=g|1;F[l+h|0]=I[k+l|0]+I[m+(l+u<<2)|0];g=g+2|0;i=i+2|0;if((r|0)!=(i|0)){continue}break}}if(!(o&1)){break m}F[g+h|0]=I[g+k|0]+I[m+(g+u<<2)|0]}qa(H[t>>2]+N(d,c)|0,h,c);d=d+1|0;b=d?b:b+1|0;if(!b&K[f+80>>2]>d>>>0){continue}break}}if(h){oa(h)}if(e){oa(e)}}u=I[f+24|0]+u|0;i=1}if(j){oa(j)}if(n){oa(n)}if(i){break c}j=0;break a}e=H[H[a+60>>2]+(q<<2)>>2];h=H[a+36>>2];g=H[(ea[H[H[a>>2]+28>>2]](a)|0)+40>>2];H[p+12>>2]=H[f+56>>2];b=pa(32);H[p>>2]=b;H[p+4>>2]=24;H[p+8>>2]=-2147483616;d=I[1206]|I[1207]<<8|(I[1208]<<16|I[1209]<<24);c=I[1202]|I[1203]<<8|(I[1204]<<16|I[1205]<<24);F[b+16|0]=c;F[b+17|0]=c>>>8;F[b+18|0]=c>>>16;F[b+19|0]=c>>>24;F[b+20|0]=d;F[b+21|0]=d>>>8;F[b+22|0]=d>>>16;F[b+23|0]=d>>>24;d=I[1198]|I[1199]<<8|(I[1200]<<16|I[1201]<<24);c=I[1194]|I[1195]<<8|(I[1196]<<16|I[1197]<<24);F[b+8|0]=c;F[b+9|0]=c>>>8;F[b+10|0]=c>>>16;F[b+11|0]=c>>>24;F[b+12|0]=d;F[b+13|0]=d>>>8;F[b+14|0]=d>>>16;F[b+15|0]=d>>>24;d=I[1190]|I[1191]<<8|(I[1192]<<16|I[1193]<<24);c=I[1186]|I[1187]<<8|(I[1188]<<16|I[1189]<<24);F[b|0]=c;F[b+1|0]=c>>>8;F[b+2|0]=c>>>16;F[b+3|0]=c>>>24;F[b+4|0]=d;F[b+5|0]=d>>>8;F[b+6|0]=d>>>16;F[b+7|0]=d>>>24;F[b+24|0]=0;d=sd(g,p+12|0,p);if(F[p+11|0]<0){oa(H[p>>2])}b=q+1|0;n:{if(d){oe(f,e);break n}g=h+N(q,24)|0;q=H[g+4>>2];c=I[f+24|0];h=c<<2;d=pa(h);H[p>>2]=1065353216;v=L[g+20>>2];q=-1<0){L[p>>2]=v/O(q|0)}if((q|0)<=0){break b}o:{if(!H[e+80>>2]){break o}if(!c){n=0;j=0;while(1){qa(H[H[f+64>>2]>>2]+j|0,d,h);j=h+j|0;n=n+1|0;if(n>>>0>2]){continue}break}break o}o=H[H[e>>2]>>2]+H[e+48>>2]|0;t=c&254;r=c&1;i=0;k=0;j=0;while(1){q=H[g+8>>2];v=L[p>>2];n=0;m=0;if((c|0)!=1){while(1){l=n<<2;s=o+(j<<2)|0;L[l+d>>2]=O(v*O(H[s>>2]))+L[l+q>>2];l=l|4;L[l+d>>2]=O(v*O(H[s+4>>2]))+L[l+q>>2];n=n+2|0;j=j+2|0;m=m+2|0;if((t|0)!=(m|0)){continue}break}}if(r){n=n<<2;L[n+d>>2]=O(v*O(H[o+(j<<2)>>2]))+L[n+q>>2];j=j+1|0}qa(H[H[f+64>>2]>>2]+k|0,d,h);k=h+k|0;i=i+1|0;if(i>>>0>2]){continue}break}}oa(d)}q=b}j=1;w=w+1|0;if((ea[H[H[a>>2]+24>>2]](a)|0)>(w|0)){continue}break a}break}oa(d);j=0}ca=p+16|0;return j|0}function Le(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;g=ca+-64|0;ca=g;H[g+56>>2]=0;H[g+48>>2]=0;H[g+52>>2]=0;H[g+40>>2]=0;H[g+44>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;H[g+24>>2]=0;H[g+28>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;j=g+8|0;d=J[b+38>>1];a:{b:{if(!d){break b}c:{if(d>>>0<=511){h=H[b+8>>2];f=H[b+12>>2];e=H[b+20>>2];d=H[b+16>>2];i=d+4|0;e=i>>>0<4?e+1|0:e;if(h>>>0>>0&(e|0)>=(f|0)|(e|0)>(f|0)){break b}d=d+H[b>>2]|0;l=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[j+12>>2]=l;e=H[b+20>>2];d=H[b+16>>2]+4|0;e=d>>>0<4?e+1|0:e;H[b+16>>2]=d;H[b+20>>2]=e;break c}if(!hb(1,j+12|0,b)){break b}d=H[b+16>>2];e=H[b+20>>2];l=H[j+12>>2]}f=H[b+8>>2];i=f-d|0;d=H[b+12>>2]-((d>>>0>f>>>0)+e|0)|0;if(i>>>0>>6>>>0&(d|0)<=0|(d|0)<0){break b}e=H[j>>2];d=H[j+4>>2]-e>>2;d:{if(d>>>0>>0){ya(j,l-d|0);l=H[j+12>>2];break d}if(d>>>0<=l>>>0){break d}H[j+4>>2]=e+(l<<2)}i=1;if(!l){break a}d=H[b+16>>2];e=H[b+20>>2];r=H[j>>2];k=H[b+8>>2];o=H[b+12>>2];h=0;while(1){i=0;if((e|0)>=(o|0)&d>>>0>=k>>>0|(e|0)>(o|0)){break a}i=H[b>>2];p=I[i+d|0];d=d+1|0;e=d?e:e+1|0;H[b+16>>2]=d;H[b+20>>2]=e;f=p>>>2|0;m=0;e:{f:{g:{h:{s=p&3;switch(s|0){case 0:break f;case 3:break h;default:break g}}f=f+h|0;i=0;if(f>>>0>=l>>>0){break a}ra(r+(h<<2)|0,0,(p&252)+4|0);h=f;break e}while(1){if((d|0)==(k|0)&(e|0)==(o|0)){break b}l=I[d+i|0];d=d+1|0;e=d?e:e+1|0;H[b+16>>2]=d;H[b+20>>2]=e;f=l<<(m<<3|6)|f;m=m+1|0;if((s|0)!=(m|0)){continue}break}}H[r+(h<<2)>>2]=f}l=H[j+12>>2];h=h+1|0;if(l>>>0>h>>>0){continue}break}d=j+16|0;o=H[j>>2];f=H[j+16>>2];e=H[j+20>>2]-f|0;i:{if(e>>>0<=4194303){ya(d,1048576-(e>>>2|0)|0);break i}if((e|0)==4194304){break i}H[j+20>>2]=f+4194304}e=j+28|0;h=H[e>>2];f=H[j+32>>2]-h>>3;j:{if(f>>>0>>0){ob(e,l-f|0);h=H[e>>2];break j}if(f>>>0>l>>>0){H[j+32>>2]=(l<<3)+h}if(!l){break b}}k=H[d>>2];d=0;i=0;while(1){e=o+(d<<2)|0;j=H[e>>2];m=(d<<3)+h|0;f=i;H[m+4>>2]=f;H[m>>2]=j;e=H[e>>2];i=e+f|0;if(i>>>0>1048576){break b}k:{if(f>>>0>=i>>>0){break k}m=0;j=e&7;if(j){while(1){H[k+(f<<2)>>2]=d;f=f+1|0;m=m+1|0;if((j|0)!=(m|0)){continue}break}}if(e-1>>>0<=6){break k}while(1){e=k+(f<<2)|0;H[e>>2]=d;H[e+28>>2]=d;H[e+24>>2]=d;H[e+20>>2]=d;H[e+16>>2]=d;H[e+12>>2]=d;H[e+8>>2]=d;H[e+4>>2]=d;f=f+8|0;if((i|0)!=(f|0)){continue}break}}d=d+1|0;if((l|0)!=(d|0)){continue}break}n=(i|0)==1048576}i=n}l:{if(!i|(H[g+20>>2]?0:a)){break l}i=0;n=ca-16|0;ca=n;m:{n:{if(J[b+38>>1]<=511){h=H[b+8>>2];f=H[b+12>>2];j=f;e=H[b+20>>2];k=H[b+16>>2];d=k+8|0;e=d>>>0<8?e+1|0:e;if(d>>>0>h>>>0&(e|0)>=(f|0)|(e|0)>(f|0)){break m}k=k+H[b>>2]|0;f=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);k=I[k+4|0]|I[k+5|0]<<8|(I[k+6|0]<<16|I[k+7|0]<<24);H[b+16>>2]=d;H[b+20>>2]=e;break n}if(!gb(1,n+8|0,b)){break m}d=H[b+16>>2];e=H[b+20>>2];h=H[b+8>>2];j=H[b+12>>2];f=H[n+8>>2];k=H[n+12>>2]}l=h-d|0;h=j-((d>>>0>h>>>0)+e|0)|0;if((h|0)==(k|0)&f>>>0>l>>>0|h>>>0>>0){break m}e=e+k|0;h=d+f|0;e=h>>>0>>0?e+1|0:e;H[b+16>>2]=h;H[b+20>>2]=e;if((f|0)<=0){break m}b=H[b>>2]+d|0;H[g+48>>2]=b;d=f-1|0;e=d+b|0;h=I[e|0];o:{if(h>>>0<=63){H[g+52>>2]=d;b=I[e|0]&63;break o}p:{switch((h>>>6|0)-1|0){case 0:if(f>>>0<2){break m}d=f-2|0;H[g+52>>2]=d;b=b+d|0;b=I[b+1|0]<<8&16128|I[b|0];break o;case 1:if(f>>>0<3){break m}d=f-3|0;H[g+52>>2]=d;b=b+d|0;b=I[b+1|0]<<8|I[b+2|0]<<16&4128768|I[b|0];break o;default:break p}}d=f-4|0;H[g+52>>2]=d;b=b+d|0;b=(I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24))&1073741823}H[g+56>>2]=b+4194304;i=b>>>0<1069547520}ca=n+16|0;if(!i){break l}if(!a){t=1;break l}b=H[g+52>>2];f=H[g+56>>2];d=H[g+36>>2];e=H[g+48>>2];h=H[g+24>>2];while(1){q:{if(f>>>0>4194303){break q}while(1){if((b|0)<=0){break q}b=b-1|0;H[g+52>>2]=b;f=I[b+e|0]|f<<8;H[g+56>>2]=f;if(f>>>0<4194304){continue}break}}i=f&1048575;k=H[h+(i<<2)>>2];n=d+(k<<3)|0;f=(N(H[n>>2],f>>>20|0)+i|0)-H[n+4>>2]|0;H[g+56>>2]=f;H[(q<<2)+c>>2]=k;t=1;q=q+1|0;if((q|0)!=(a|0)){continue}break}}a=H[g+36>>2];if(a){H[g+40>>2]=a;oa(a)}a=H[g+24>>2];if(a){H[g+28>>2]=a;oa(a)}a=H[g+8>>2];if(a){H[g+12>>2]=a;oa(a)}ca=g- -64|0;return t}function nc(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0;e=ca-48|0;ca=e;f=J[6677]|J[6678]<<16;d=J[6675]|J[6676]<<16;G[e+38>>1]=d;G[e+40>>1]=d>>>16;G[e+42>>1]=f;G[e+44>>1]=f>>>16;d=H[3337];H[e+32>>2]=H[3336];H[e+36>>2]=d;d=H[3335];H[e+24>>2]=H[3334];H[e+28>>2]=d;d=H[3333];H[e+16>>2]=H[3332];H[e+20>>2]=d;g=H[b+8>>2];i=H[b+12>>2];h=H[b+20>>2];d=H[b+16>>2];f=d+5|0;h=f>>>0<5?h+1|0:h;a:{b:{if(g>>>0>>0&(h|0)>=(i|0)|(h|0)>(i|0)){d=Ma(e+16|0);if(d>>>0>=2147483632){break a}c:{d:{if(d>>>0>=11){b=(d|15)+1|0;c=pa(b);H[e+8>>2]=b|-2147483648;H[e>>2]=c;H[e+4>>2]=d;b=c+d|0;break d}F[e+11|0]=d;b=d+e|0;c=e;if(!d){break c}}qa(c,e+16|0,d)}F[b|0]=0;H[a>>2]=-2;b=a+4|0;if(F[e+11|0]>=0){a=H[e+4>>2];H[b>>2]=H[e>>2];H[b+4>>2]=a;H[b+8>>2]=H[e+8>>2];break b}za(b,H[e>>2],H[e+4>>2]);if(F[e+11|0]>=0){break b}oa(H[e>>2]);break b}f=d+H[b>>2]|0;d=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);F[c|0]=d;F[c+1|0]=d>>>8;F[c+2|0]=d>>>16;F[c+3|0]=d>>>24;F[c+4|0]=I[f+4|0];d=H[b+20>>2];f=H[b+16>>2]+5|0;d=f>>>0<5?d+1|0:d;H[b+16>>2]=f;H[b+20>>2]=d;if(Fa(c,1260,5)){d=pa(32);F[d+17|0]=0;F[d+16|0]=I[1496];c=I[1492]|I[1493]<<8|(I[1494]<<16|I[1495]<<24);b=I[1488]|I[1489]<<8|(I[1490]<<16|I[1491]<<24);F[d+8|0]=b;F[d+9|0]=b>>>8;F[d+10|0]=b>>>16;F[d+11|0]=b>>>24;F[d+12|0]=c;F[d+13|0]=c>>>8;F[d+14|0]=c>>>16;F[d+15|0]=c>>>24;c=I[1484]|I[1485]<<8|(I[1486]<<16|I[1487]<<24);b=I[1480]|I[1481]<<8|(I[1482]<<16|I[1483]<<24);F[d|0]=b;F[d+1|0]=b>>>8;F[d+2|0]=b>>>16;F[d+3|0]=b>>>24;F[d+4|0]=c;F[d+5|0]=c>>>8;F[d+6|0]=c>>>16;F[d+7|0]=c>>>24;H[a>>2]=-1;za(a+4|0,d,17);oa(d);break b}g=H[b+12>>2];if((g|0)<=(d|0)&K[b+8>>2]<=f>>>0|(d|0)>(g|0)){d=Ma(e+16|0);if(d>>>0>=2147483632){break a}e:{f:{if(d>>>0>=11){b=(d|15)+1|0;c=pa(b);H[e+8>>2]=b|-2147483648;H[e>>2]=c;H[e+4>>2]=d;b=c+d|0;break f}F[e+11|0]=d;b=d+e|0;c=e;if(!d){break e}}qa(c,e+16|0,d)}F[b|0]=0;H[a>>2]=-2;b=a+4|0;if(F[e+11|0]>=0){a=H[e+4>>2];H[b>>2]=H[e>>2];H[b+4>>2]=a;H[b+8>>2]=H[e+8>>2];break b}za(b,H[e>>2],H[e+4>>2]);if(F[e+11|0]>=0){break b}oa(H[e>>2]);break b}F[c+5|0]=I[f+H[b>>2]|0];g=H[b+20>>2];d=H[b+16>>2]+1|0;g=d?g:g+1|0;H[b+16>>2]=d;H[b+20>>2]=g;f=H[b+12>>2];if((f|0)<=(g|0)&K[b+8>>2]<=d>>>0|(g|0)>(f|0)){d=Ma(e+16|0);if(d>>>0>=2147483632){break a}g:{h:{if(d>>>0>=11){b=(d|15)+1|0;c=pa(b);H[e+8>>2]=b|-2147483648;H[e>>2]=c;H[e+4>>2]=d;b=c+d|0;break h}F[e+11|0]=d;b=d+e|0;c=e;if(!d){break g}}qa(c,e+16|0,d)}F[b|0]=0;H[a>>2]=-2;b=a+4|0;if(F[e+11|0]>=0){a=H[e+4>>2];H[b>>2]=H[e>>2];H[b+4>>2]=a;H[b+8>>2]=H[e+8>>2];break b}za(b,H[e>>2],H[e+4>>2]);if(F[e+11|0]>=0){break b}oa(H[e>>2]);break b}F[c+6|0]=I[d+H[b>>2]|0];h=H[b+20>>2];d=H[b+16>>2]+1|0;h=d?h:h+1|0;H[b+16>>2]=d;H[b+20>>2]=h;f=H[b+12>>2];if((f|0)<=(h|0)&K[b+8>>2]<=d>>>0|(f|0)<(h|0)){d=Ma(e+16|0);if(d>>>0>=2147483632){break a}i:{j:{if(d>>>0>=11){b=(d|15)+1|0;c=pa(b);H[e+8>>2]=b|-2147483648;H[e>>2]=c;H[e+4>>2]=d;b=c+d|0;break j}F[e+11|0]=d;b=d+e|0;c=e;if(!d){break i}}qa(c,e+16|0,d)}F[b|0]=0;H[a>>2]=-2;b=a+4|0;if(F[e+11|0]>=0){a=H[e+4>>2];H[b>>2]=H[e>>2];H[b+4>>2]=a;H[b+8>>2]=H[e+8>>2];break b}za(b,H[e>>2],H[e+4>>2]);if(F[e+11|0]>=0){break b}oa(H[e>>2]);break b}F[c+7|0]=I[d+H[b>>2]|0];g=H[b+20>>2];d=H[b+16>>2]+1|0;g=d?g:g+1|0;H[b+16>>2]=d;H[b+20>>2]=g;f=H[b+12>>2];if((f|0)<=(g|0)&K[b+8>>2]<=d>>>0|(g|0)>(f|0)){c=mc(e,e+16|0);H[a>>2]=-2;b=a+4|0;if(F[c+11|0]>=0){a=H[c+4>>2];H[b>>2]=H[c>>2];H[b+4>>2]=a;H[b+8>>2]=H[c+8>>2];break b}za(b,H[c>>2],H[c+4>>2]);if(F[c+11|0]>=0){break b}oa(H[c>>2]);break b}F[c+8|0]=I[d+H[b>>2]|0];d=H[b+20>>2];g=H[b+16>>2];f=g+1|0;i=f?d:d+1|0;H[b+16>>2]=f;H[b+20>>2]=i;i=H[b+8>>2];h=H[b+12>>2];g=g+3|0;d=g>>>0<3?d+1|0:d;if(g>>>0>i>>>0&(d|0)>=(h|0)|(d|0)>(h|0)){c=mc(e,e+16|0);H[a>>2]=-2;b=a+4|0;if(F[c+11|0]>=0){a=H[c+4>>2];H[b>>2]=H[c>>2];H[b+4>>2]=a;H[b+8>>2]=H[c+8>>2];break b}za(b,H[c>>2],H[c+4>>2]);if(F[c+11|0]>=0){break b}oa(H[c>>2]);break b}d=c;c=H[b>>2]+f|0;G[d+10>>1]=I[c|0]|I[c+1|0]<<8;g=H[b+20>>2];c=H[b+16>>2]+2|0;g=c>>>0<2?g+1|0:g;H[b+16>>2]=c;H[b+20>>2]=g;H[a+8>>2]=0;H[a+12>>2]=0;H[a>>2]=0;H[a+4>>2]=0}ca=e+48|0;return}Na();v()}function Nb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0;e=ca-96|0;ca=e;f=H[a+16>>2];F[e+92|0]=1;H[e+88>>2]=b;H[e+84>>2]=b;H[e+80>>2]=f;j=H[a+20>>2];d=H[j>>2];a:{b:{f=H[H[f+28>>2]+(b<<2)>>2];if(f>>>0>2]-d>>2>>>0){d=H[H[a+8>>2]+(H[d+(f<<2)>>2]<<2)>>2];f=H[a+4>>2];if(!I[f+84|0]){d=H[H[f+68>>2]+(d<<2)>>2]}H[e+72>>2]=0;H[e+76>>2]=0;j=e- -64|0;H[j>>2]=0;H[j+4>>2]=0;H[e+56>>2]=0;H[e+60>>2]=0;Sa(f,d,F[f+24|0],e+56|0);if((b|0)!=-1){f=b+1|0;j=(f>>>0)%3|0?f:b-2|0;m=((b>>>0)%3|0?-1:2)+b|0;while(1){d=j;f=m;c:{if(!H[a+28>>2]){break c}f=b+1|0;d=(f>>>0)%3|0?f:b-2|0;f=b-1|0;if((b>>>0)%3|0){break c}f=b+2|0}n=H[a+20>>2];b=H[n>>2];d=H[H[H[a+16>>2]+28>>2]+(d<<2)>>2];if(d>>>0>=H[n+4>>2]-b>>2>>>0){break b}d=H[H[a+8>>2]+(H[b+(d<<2)>>2]<<2)>>2];b=H[a+4>>2];if(!I[b+84|0]){d=H[H[b+68>>2]+(d<<2)>>2]}H[e+48>>2]=0;H[e+52>>2]=0;H[e+40>>2]=0;H[e+44>>2]=0;H[e+32>>2]=0;H[e+36>>2]=0;Sa(b,d,F[b+24|0],e+32|0);d=H[a+20>>2];b=H[d>>2];f=H[H[H[a+16>>2]+28>>2]+(f<<2)>>2];if(f>>>0>=H[d+4>>2]-b>>2>>>0){break a}d=H[H[a+8>>2]+(H[b+(f<<2)>>2]<<2)>>2];b=H[a+4>>2];if(!I[b+84|0]){d=H[H[b+68>>2]+(d<<2)>>2]}H[e+24>>2]=0;H[e+28>>2]=0;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;Sa(b,d,F[b+24|0],e+8|0);g=H[e+8>>2];b=H[e+56>>2];d=g-b|0;p=H[e+60>>2];t=H[e+12>>2]-(p+(b>>>0>g>>>0)|0)|0;h=H[e+40>>2];f=H[e+64>>2];n=h-f|0;u=H[e+68>>2];y=H[e+44>>2]-(u+(f>>>0>h>>>0)|0)|0;g=Rj(d,t,n,y);w=o-g|0;x=i-(da+(g>>>0>o>>>0)|0)|0;i=w;h=H[e+16>>2];g=h-f|0;u=H[e+20>>2]-((f>>>0>h>>>0)+u|0)|0;k=H[e+32>>2];h=k-b|0;w=H[e+36>>2]-((b>>>0>k>>>0)+p|0)|0;b=Rj(g,u,h,w);o=i+b|0;i=da+x|0;i=b>>>0>o>>>0?i+1|0:i;b=l;l=d;p=t;k=H[e+48>>2];f=H[e+72>>2];d=k-f|0;t=H[e+76>>2];x=H[e+52>>2]-(t+(f>>>0>k>>>0)|0)|0;l=Rj(l,p,d,x);k=b+l|0;b=da+q|0;b=k>>>0>>0?b+1|0:b;l=H[e+24>>2];p=l-f|0;f=H[e+28>>2]-((f>>>0>l>>>0)+t|0)|0;q=Rj(p,f,h,w);l=k-q|0;q=b-(da+(k>>>0>>0)|0)|0;b=Rj(g,u,d,x);d=r-b|0;b=s-(da+(b>>>0>r>>>0)|0)|0;s=Rj(p,f,n,y);r=s+d|0;b=da+b|0;s=r>>>0>>0?b+1|0:b;b=H[e+88>>2];f=H[e+80>>2];d:{if(I[e+92|0]){e:{f:{g:{h:{if((b|0)==-1){break h}d=b+1|0;b=(d>>>0)%3|0?d:b-2|0;if((b|0)==-1|H[H[f>>2]+(b>>>3&536870908)>>2]>>>b&1){break h}b=H[H[H[f+64>>2]+12>>2]+(b<<2)>>2];if((b|0)!=-1){break g}}H[e+88>>2]=-1;break f}d=b+1|0;b=(d>>>0)%3|0?d:b-2|0;H[e+88>>2]=b;if((b|0)!=-1){break e}}b=H[e+84>>2];d=-1;i:{if((b|0)==-1){break i}j:{if((b>>>0)%3|0){b=b-1|0;break j}b=b+2|0;d=-1;if((b|0)==-1){break i}}d=-1;if(H[H[f>>2]+(b>>>3&536870908)>>2]>>>b&1){break i}b=H[H[H[f+64>>2]+12>>2]+(b<<2)>>2];d=-1;if((b|0)==-1){break i}d=b-1|0;if((b>>>0)%3|0){break i}d=b+2|0}F[e+92|0]=0;H[e+88>>2]=d;break d}if((b|0)!=H[e+84>>2]){break d}H[e+88>>2]=-1;break d}d=-1;k:{if((b|0)==-1){break k}l:{if((b>>>0)%3|0){b=b-1|0;break l}b=b+2|0;d=-1;if((b|0)==-1){break k}}d=-1;if(H[H[f>>2]+(b>>>3&536870908)>>2]>>>b&1){break k}b=H[H[H[f+64>>2]+12>>2]+(b<<2)>>2];d=-1;if((b|0)==-1){break k}d=b-1|0;if((b>>>0)%3|0){break k}d=b+2|0}H[e+88>>2]=d}b=H[e+88>>2];if((b|0)!=-1){continue}break}}b=s>>31;f=b^r;d=f-b|0;b=(b^s)-((b>>>0>f>>>0)+b|0)|0;m=-1;f=2147483647;g=q>>31;h=g^l;j=h-g|0;n=(g^q)-((h>>>0>>0)+g|0)|0;h=n;k=j^-1;g=h^2147483647;n=i;m:{n:{if(!H[a+28>>2]){if((b|0)==(g|0)&d>>>0>k>>>0|b>>>0>g>>>0){break m}b=b+h|0;a=d+j|0;b=a>>>0>>0?b+1|0:b;f=a;g=i;a=g>>31;d=a;m=d^o;a=m-d|0;i=a;d=(d^g)-((d>>>0>m>>>0)+d|0)|0;a=a+f|0;d=d^2147483647;i=(d|0)==(b|0)&(i^-1)>>>0>>0|b>>>0>d>>>0;a=i?-1:a;if(!(i&0)&(a|0)<=536870912|(a|0)<536870912){break m}b=0;a=a>>>29|0;break n}o:{if((b|0)==(g|0)&d>>>0>k>>>0|b>>>0>g>>>0){break o}b=b+h|0;a=d+j|0;b=a>>>0>>0?b+1|0:b;k=i;d=i>>31;h=d^o;i=h-d|0;j=(d^k)-((d>>>0>h>>>0)+d|0)|0;g=j^2147483647;d=a;a=i;if((g|0)==(b|0)&d>>>0>(a^-1)>>>0|b>>>0>g>>>0){break o}b=b+j|0;m=a+d|0;b=m>>>0>>0?b+1|0:b;f=b;if(!b&m>>>0<536870913){break m}}b=f>>>29|0;a=(f&536870911)<<3|m>>>29}o=Sj(o,n,a,b);l=Sj(l,q,a,b);r=Sj(r,s,a,b)}H[c+8>>2]=o;H[c+4>>2]=l;H[c>>2]=r;ca=e+96|0;return}Ca();v()}Ca();v()}Ca();v()}function Jj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;H[a+8>>2]=e;r=a+32|0;g=H[r>>2];f=H[a+36>>2]-g>>2;a:{if(f>>>0>>0){ya(r,e-f|0);d=H[a+8>>2];break a}d=e;if(d>>>0>=f>>>0){break a}H[a+36>>2]=g+(e<<2);d=e}w=e<<2;f=e>>>0>1073741823?-1:w;m=ra(pa(f),0,f);p=ra(pa(f),0,f);b:{if((d|0)<=0){break b}i=H[a+32>>2];while(1){d=h<<2;f=H[d+m>>2];g=H[a+16>>2];c:{if((f|0)>(g|0)){H[d+i>>2]=g;break c}d=d+i|0;g=H[a+12>>2];if((g|0)>(f|0)){H[d>>2]=g;break c}H[d>>2]=f}d=H[a+8>>2];h=h+1|0;if((d|0)>(h|0)){continue}break}if((d|0)<=0){break b}f=0;while(1){g=f<<2;d=g+c|0;g=H[b+g>>2]+H[g+i>>2]|0;H[d>>2]=g;d:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break d}g=g+H[a+20>>2]|0}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}f=H[a+56>>2];x=H[f>>2];f=H[f+4>>2]-x|0;if((f|0)>=5){D=H[a+52>>2];s=H[a+48>>2];u=f>>>2|0;E=u>>>0<=2?2:u;y=e&-2;z=e&1;F=e&-4;A=e&3;B=e-1|0;n=1;while(1){e:{f:{g:{h:{if((n|0)!=(u|0)){g=H[(n<<2)+x>>2];t=(e|0)<=0;if(!t){ra(m,0,w)}if((g|0)==-1){i=N(e,n);break f}C=H[s>>2];l=0;f=g;while(1){i:{if(H[(f>>>3&536870908)+C>>2]>>>f&1){break i}i=H[H[H[s+64>>2]+12>>2]+(f<<2)>>2];if((i|0)==-1){break i}j=H[D>>2];h=H[s+28>>2];o=H[j+(H[h+(i<<2)>>2]<<2)>>2];if((o|0)>=(n|0)){break i}k=i+1|0;k=H[j+(H[h+(((k>>>0)%3|0?k:i-2|0)<<2)>>2]<<2)>>2];if((k|0)>=(n|0)){break i}i=H[j+(H[h+(i+((i>>>0)%3|0?-1:2)<<2)>>2]<<2)>>2];if((i|0)>=(n|0)){break i}j:{if(t){break j}i=N(e,i);j=N(e,k);o=N(e,o);h=0;q=0;if(B){while(1){H[(h<<2)+p>>2]=(H[(h+i<<2)+c>>2]+H[(h+j<<2)+c>>2]|0)-H[(h+o<<2)+c>>2];k=h|1;H[(k<<2)+p>>2]=(H[(i+k<<2)+c>>2]+H[(j+k<<2)+c>>2]|0)-H[(k+o<<2)+c>>2];h=h+2|0;q=q+2|0;if((y|0)!=(q|0)){continue}break}}if(z){H[(h<<2)+p>>2]=(H[(h+i<<2)+c>>2]+H[(h+j<<2)+c>>2]|0)-H[(h+o<<2)+c>>2]}if(t){break j}o=0;h=0;i=0;if(e>>>0>3){while(1){j=h<<2;k=j+m|0;H[k>>2]=H[j+p>>2]+H[k>>2];k=j|4;q=k+m|0;H[q>>2]=H[k+p>>2]+H[q>>2];k=j|8;q=k+m|0;H[q>>2]=H[k+p>>2]+H[q>>2];j=j|12;k=j+m|0;H[k>>2]=H[j+p>>2]+H[k>>2];h=h+4|0;i=i+4|0;if((F|0)!=(i|0)){continue}break}}if(!A){break j}while(1){i=h<<2;j=i+m|0;H[j>>2]=H[i+p>>2]+H[j>>2];h=h+1|0;o=o+1|0;if((A|0)!=(o|0)){continue}break}}l=l+1|0}k:{l:{if((f>>>0)%3|0){h=f-1|0;break l}h=f+2|0;i=-1;if((h|0)==-1){break k}}i=-1;if(H[(h>>>3&536870908)+C>>2]>>>h&1){break k}f=H[H[H[s+64>>2]+12>>2]+(h<<2)>>2];i=-1;if((f|0)==-1){break k}i=f-1|0;if((f>>>0)%3|0){break k}i=f+2|0}f=i;if((g|0)!=(f|0)&(f|0)!=-1){continue}break}i=N(e,n);if(!l){break f}if(t){break g}h=0;f=0;if(!B){break h}while(1){g=h<<2;j=g+m|0;H[j>>2]=H[j>>2]/(l|0);g=(g|4)+m|0;H[g>>2]=H[g>>2]/(l|0);h=h+2|0;f=f+2|0;if((y|0)!=(f|0)){continue}break}break h}Ca();v()}if(!z){break g}f=(h<<2)+m|0;H[f>>2]=H[f>>2]/(l|0)}if((d|0)<=0){break e}l=H[r>>2];h=0;while(1){d=h<<2;f=H[d+m>>2];g=H[a+16>>2];m:{if((f|0)>(g|0)){H[d+l>>2]=g;break m}d=d+l|0;g=H[a+12>>2];if((g|0)>(f|0)){H[d>>2]=g;break m}H[d>>2]=f}d=H[a+8>>2];h=h+1|0;if((d|0)>(h|0)){continue}break}f=0;if((d|0)<=0){break e}d=i<<2;i=d+c|0;h=b+d|0;while(1){g=f<<2;d=g+i|0;g=H[h+g>>2]+H[g+l>>2]|0;H[d>>2]=g;n:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break n}g=g+H[a+20>>2]|0}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}break e}if((d|0)<=0){break e}g=(N(n-1|0,e)<<2)+c|0;l=H[r>>2];h=0;while(1){d=h<<2;f=H[d+g>>2];j=H[a+16>>2];o:{if((f|0)>(j|0)){H[d+l>>2]=j;break o}d=d+l|0;j=H[a+12>>2];if((j|0)>(f|0)){H[d>>2]=j;break o}H[d>>2]=f}d=H[a+8>>2];h=h+1|0;if((d|0)>(h|0)){continue}break}f=0;if((d|0)<=0){break e}d=i<<2;i=d+c|0;h=b+d|0;while(1){g=f<<2;d=g+i|0;g=H[h+g>>2]+H[g+l>>2]|0;H[d>>2]=g;p:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break p}g=g+H[a+20>>2]|0}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}n=n+1|0;if((E|0)!=(n|0)){continue}break}}oa(p);oa(m);return 1}function sj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;H[a+8>>2]=e;r=a+32|0;f=H[r>>2];j=H[a+36>>2]-f>>2;a:{if(j>>>0>>0){ya(r,e-j|0);d=H[a+8>>2];break a}d=e;if(e>>>0>=j>>>0){break a}H[a+36>>2]=f+(e<<2);d=e}u=e<<2;f=e>>>0>1073741823?-1:u;m=ra(pa(f),0,f);p=ra(pa(f),0,f);b:{if((d|0)<=0){break b}i=H[a+32>>2];while(1){f=h<<2;j=H[f+m>>2];d=H[a+16>>2];c:{if((j|0)>(d|0)){H[f+i>>2]=d;break c}f=f+i|0;d=H[a+12>>2];if((d|0)>(j|0)){H[f>>2]=d;break c}H[f>>2]=j}d=H[a+8>>2];h=h+1|0;if((d|0)>(h|0)){continue}break}if((d|0)<=0){break b}f=0;while(1){j=f<<2;d=j+c|0;j=H[b+j>>2]+H[j+i>>2]|0;H[d>>2]=j;d:{if((j|0)>H[a+16>>2]){j=j-H[a+20>>2]|0}else{if((j|0)>=H[a+12>>2]){break d}j=j+H[a+20>>2]|0}H[d>>2]=j}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}f=H[a+56>>2];w=H[f>>2];f=H[f+4>>2]-w|0;if((f|0)>=5){D=H[a+52>>2];x=H[a+48>>2];t=f>>>2|0;E=t>>>0<=2?2:t;y=e&-2;z=e&1;F=e&-4;A=e&3;B=e-1|0;n=1;while(1){e:{f:{g:{h:{if((n|0)!=(t|0)){j=H[(n<<2)+w>>2];s=(e|0)<=0;if(!s){ra(m,0,u)}if((j|0)==-1){g=N(e,n);break f}C=H[x+12>>2];q=0;f=j;while(1){h=H[(f<<2)+C>>2];i:{if((h|0)==-1){break i}o=H[D>>2];l=H[x>>2];k=H[o+(H[l+(h<<2)>>2]<<2)>>2];i=h+1|0;i=(i>>>0)%3|0?i:h-2|0;if((i|0)!=-1){g=H[l+(i<<2)>>2]}else{g=-1}j:{k:{if((h>>>0)%3|0){h=h-1|0;break k}h=h+2|0;i=-1;if((h|0)==-1){break j}}i=H[l+(h<<2)>>2]}if((k|0)>=(n|0)){break i}g=H[(g<<2)+o>>2];if((g|0)>=(n|0)){break i}i=H[o+(i<<2)>>2];if((i|0)>=(n|0)){break i}l:{if(s){break l}l=N(e,i);o=N(e,g);k=N(e,k);h=0;i=0;if(B){while(1){H[(h<<2)+p>>2]=(H[(h+l<<2)+c>>2]+H[(h+o<<2)+c>>2]|0)-H[(h+k<<2)+c>>2];g=h|1;H[(g<<2)+p>>2]=(H[(g+l<<2)+c>>2]+H[(g+o<<2)+c>>2]|0)-H[(g+k<<2)+c>>2];h=h+2|0;i=i+2|0;if((y|0)!=(i|0)){continue}break}}if(z){H[(h<<2)+p>>2]=(H[(h+l<<2)+c>>2]+H[(h+o<<2)+c>>2]|0)-H[(h+k<<2)+c>>2]}if(s){break l}o=0;h=0;k=0;if(e>>>0>3){while(1){l=h<<2;i=l+m|0;H[i>>2]=H[l+p>>2]+H[i>>2];g=l|4;i=g+m|0;H[i>>2]=H[g+p>>2]+H[i>>2];g=l|8;i=g+m|0;H[i>>2]=H[g+p>>2]+H[i>>2];g=l|12;i=g+m|0;H[i>>2]=H[g+p>>2]+H[i>>2];h=h+4|0;k=k+4|0;if((F|0)!=(k|0)){continue}break}}if(!A){break l}while(1){g=h<<2;i=g+m|0;H[i>>2]=H[g+p>>2]+H[i>>2];h=h+1|0;o=o+1|0;if((A|0)!=(o|0)){continue}break}}q=q+1|0}m:{n:{if((f>>>0)%3|0){h=f-1|0;break n}h=f+2|0;g=-1;if((h|0)==-1){break m}}f=H[(h<<2)+C>>2];g=-1;if((f|0)==-1){break m}g=f-1|0;if((f>>>0)%3|0){break m}g=f+2|0}f=g;if((j|0)!=(f|0)&(f|0)!=-1){continue}break}g=N(e,n);if(!q){break f}if(s){break g}h=0;f=0;if(!B){break h}while(1){i=h<<2;j=i+m|0;H[j>>2]=H[j>>2]/(q|0);j=(i|4)+m|0;H[j>>2]=H[j>>2]/(q|0);h=h+2|0;f=f+2|0;if((y|0)!=(f|0)){continue}break}break h}Ca();v()}if(!z){break g}f=(h<<2)+m|0;H[f>>2]=H[f>>2]/(q|0)}if((d|0)<=0){break e}k=H[r>>2];h=0;while(1){f=h<<2;j=H[f+m>>2];d=H[a+16>>2];o:{if((j|0)>(d|0)){H[f+k>>2]=d;break o}f=f+k|0;d=H[a+12>>2];if((d|0)>(j|0)){H[f>>2]=d;break o}H[f>>2]=j}d=H[a+8>>2];h=h+1|0;if((d|0)>(h|0)){continue}break}f=0;if((d|0)<=0){break e}d=g<<2;i=d+c|0;j=b+d|0;while(1){g=f<<2;d=g+i|0;g=H[g+j>>2]+H[g+k>>2]|0;H[d>>2]=g;p:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break p}g=g+H[a+20>>2]|0}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}break e}if((d|0)<=0){break e}f=(N(n-1|0,e)<<2)+c|0;k=H[r>>2];h=0;while(1){j=h<<2;i=H[j+f>>2];d=H[a+16>>2];q:{if((i|0)>(d|0)){H[j+k>>2]=d;break q}j=j+k|0;d=H[a+12>>2];if((d|0)>(i|0)){H[j>>2]=d;break q}H[j>>2]=i}d=H[a+8>>2];h=h+1|0;if((d|0)>(h|0)){continue}break}f=0;if((d|0)<=0){break e}d=g<<2;i=d+c|0;j=b+d|0;while(1){g=f<<2;d=g+i|0;g=H[g+j>>2]+H[g+k>>2]|0;H[d>>2]=g;r:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break r}g=g+H[a+20>>2]|0}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}n=n+1|0;if((E|0)!=(n|0)){continue}break}}oa(p);oa(m);return 1}function xa(a){var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;f=ca-32|0;ca=f;a:{b=H[a+16>>2];b:{if(b>>>0>=341){H[a+16>>2]=b-341;b=H[a+4>>2];j=H[b>>2];c=b+4|0;H[a+4>>2]=c;b=H[a+8>>2];c:{if((b|0)!=H[a+12>>2]){d=b;break c}k=H[a>>2];if(k>>>0>>0){e=((c-k>>2)+1|0)/-2<<2;b=b-c|0;d=va(e+c|0,c,b)+b|0;H[a+8>>2]=d;H[a+4>>2]=e+H[a+4>>2];break c}d=(b|0)==(k|0)?1:b-k>>1;if(d>>>0>=1073741824){break a}e=d<<2;h=pa(e);l=e+h|0;e=h+(d&-4)|0;d=e;d:{if((b|0)==(c|0)){break d}b=b-c|0;m=b&-4;i=b-4|0;g=(i>>>2|0)+1&7;e:{if(!g){b=e;break e}d=0;b=e;while(1){H[b>>2]=H[c>>2];c=c+4|0;b=b+4|0;d=d+1|0;if((g|0)!=(d|0)){continue}break}}d=e+m|0;if(i>>>0<28){break d}while(1){H[b>>2]=H[c>>2];H[b+4>>2]=H[c+4>>2];H[b+8>>2]=H[c+8>>2];H[b+12>>2]=H[c+12>>2];H[b+16>>2]=H[c+16>>2];H[b+20>>2]=H[c+20>>2];H[b+24>>2]=H[c+24>>2];H[b+28>>2]=H[c+28>>2];c=c+32|0;b=b+32|0;if((d|0)!=(b|0)){continue}break}}H[a+12>>2]=l;H[a+8>>2]=d;H[a+4>>2]=e;H[a>>2]=h;if(!k){break c}oa(k);d=H[a+8>>2]}H[d>>2]=j;H[a+8>>2]=H[a+8>>2]+4;break b}c=H[a+8>>2];b=H[a+4>>2];l=c-b|0;h=l>>2;g=H[a+12>>2];d=H[a>>2];e=g-d|0;if(h>>>0>2>>>0){if((c|0)!=(g|0)){n=f,o=pa(4092),H[n+8>>2]=o;d=a;f:{g:{b=H[a+8>>2];h:{if((b|0)!=H[a+12>>2]){e=b;break h}c=H[d+4>>2];h=H[d>>2];if(c>>>0>h>>>0){g=((c-h>>2)+1|0)/-2<<2;a=b-c|0;e=va(g+c|0,c,a)+a|0;H[d+8>>2]=e;H[d+4>>2]=g+H[d+4>>2];break h}e=(b|0)==(h|0)?1:b-h>>1;if(e>>>0>=1073741824){break g}a=e<<2;j=pa(a);l=a+j|0;a=j+(e&-4)|0;e=a;i:{if((b|0)==(c|0)){break i}b=b-c|0;m=b&-4;i=b-4|0;g=(i>>>2|0)+1&7;j:{if(!g){b=a;break j}e=0;b=a;while(1){H[b>>2]=H[c>>2];c=c+4|0;b=b+4|0;e=e+1|0;if((g|0)!=(e|0)){continue}break}}e=a+m|0;if(i>>>0<28){break i}while(1){H[b>>2]=H[c>>2];H[b+4>>2]=H[c+4>>2];H[b+8>>2]=H[c+8>>2];H[b+12>>2]=H[c+12>>2];H[b+16>>2]=H[c+16>>2];H[b+20>>2]=H[c+20>>2];H[b+24>>2]=H[c+24>>2];H[b+28>>2]=H[c+28>>2];c=c+32|0;b=b+32|0;if((e|0)!=(b|0)){continue}break}}H[d+12>>2]=l;H[d+8>>2]=e;H[d+4>>2]=a;H[d>>2]=j;if(!h){break h}oa(h);e=H[d+8>>2]}H[e>>2]=H[f+8>>2];H[d+8>>2]=H[d+8>>2]+4;break f}wa();v()}break b}n=f,o=pa(4092),H[n+8>>2]=o;qd(a,f+8|0);b=H[a+4>>2];j=H[b>>2];c=b+4|0;H[a+4>>2]=c;b=H[a+8>>2];k:{if((b|0)!=H[a+12>>2]){d=b;break k}k=H[a>>2];if(k>>>0>>0){e=((c-k>>2)+1|0)/-2<<2;b=b-c|0;d=va(e+c|0,c,b)+b|0;H[a+8>>2]=d;H[a+4>>2]=e+H[a+4>>2];break k}d=(b|0)==(k|0)?1:b-k>>1;if(d>>>0>=1073741824){break a}e=d<<2;h=pa(e);l=e+h|0;e=h+(d&-4)|0;d=e;l:{if((b|0)==(c|0)){break l}b=b-c|0;m=b&-4;i=b-4|0;g=(i>>>2|0)+1&7;m:{if(!g){b=e;break m}d=0;b=e;while(1){H[b>>2]=H[c>>2];c=c+4|0;b=b+4|0;d=d+1|0;if((g|0)!=(d|0)){continue}break}}d=e+m|0;if(i>>>0<28){break l}while(1){H[b>>2]=H[c>>2];H[b+4>>2]=H[c+4>>2];H[b+8>>2]=H[c+8>>2];H[b+12>>2]=H[c+12>>2];H[b+16>>2]=H[c+16>>2];H[b+20>>2]=H[c+20>>2];H[b+24>>2]=H[c+24>>2];H[b+28>>2]=H[c+28>>2];c=c+32|0;b=b+32|0;if((d|0)!=(b|0)){continue}break}}H[a+12>>2]=l;H[a+8>>2]=d;H[a+4>>2]=e;H[a>>2]=h;if(!k){break k}oa(k);d=H[a+8>>2]}H[d>>2]=j;H[a+8>>2]=H[a+8>>2]+4;break b}H[f+24>>2]=a+12;m=(d|0)==(g|0)?1:e>>1;if(m>>>0>=1073741824){break a}e=m<<2;g=pa(e);H[f+8>>2]=g;j=e+g|0;H[f+20>>2]=j;d=(h<<2)+g|0;H[f+12>>2]=d;i=pa(4092);n:{if((h|0)!=(m|0)){break n}if((l|0)>0){d=((h+1|0)/-2<<2)+d|0;H[f+12>>2]=d;break n}d=(b|0)==(c|0)?1:l>>1;if(d>>>0>=1073741824){break a}b=d<<2;e=pa(b);H[f+8>>2]=e;j=b+e|0;H[f+20>>2]=j;d=e+(d&-4)|0;H[f+12>>2]=d;oa(g);b=H[a+4>>2];c=H[a+8>>2];g=e}H[d>>2]=i;i=d+4|0;H[f+16>>2]=i;e=b;if((b|0)!=(c|0)){while(1){c=c-4|0;qd(f+8|0,c);if(H[a+4>>2]!=(c|0)){continue}break}j=H[f+20>>2];i=H[f+16>>2];d=H[f+12>>2];g=H[f+8>>2];e=c;b=H[a+8>>2]}c=H[a>>2];H[a>>2]=g;H[f+8>>2]=c;H[a+4>>2]=d;H[f+12>>2]=e;H[a+8>>2]=i;H[f+16>>2]=b;d=H[a+12>>2];H[a+12>>2]=j;H[f+20>>2]=d;if((b|0)!=(e|0)){H[f+16>>2]=((e-b|0)+3&-4)+b}if(!c){break b}oa(c)}ca=f+32|0;return}wa();v()}function Aj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=O(0),j=0,k=0,l=0,m=O(0),n=O(0),o=O(0),p=O(0),q=O(0),r=0,s=O(0),t=O(0),u=O(0),w=O(0),x=0,y=O(0),z=O(0),A=O(0),B=0;a:{b:{if((e|0)!=2){break b}H[a+64>>2]=f;H[a+72>>2]=2;e=pa(8);d=H[a+68>>2];H[a+68>>2]=e;if(d){oa(d)}H[a+8>>2]=2;x=a+32|0;e=H[x>>2];d=H[a+36>>2]-e|0;c:{if(d>>>0<=7){ya(x,2-(d>>>2|0)|0);break c}if((d|0)==8){break c}H[a+36>>2]=e+8}h=1;d=H[a+56>>2];d=H[d+4>>2]-H[d>>2]|0;if((d|0)<=0){break b}d=d>>>2|0;B=d>>>0<=1?1:d;d=0;while(1){e=H[a+56>>2];h=H[e>>2];if(H[e+4>>2]-h>>2>>>0<=d>>>0){break a}q=O(0);g=ca-48|0;ca=g;e=-1;h=H[h+(d<<2)>>2];f=-1;d:{if((h|0)==-1){break d}e=h+1|0;e=(e>>>0)%3|0?e:h-2|0;f=h-1|0;if((h>>>0)%3|0){break d}f=h+2|0}j=H[a+52>>2];h=H[j>>2];e:{f:{j=H[j+4>>2]-h>>2;l=e<<2;e=H[H[a+48>>2]+28>>2];r=H[l+e>>2];if(j>>>0<=r>>>0){break f}e=H[e+(f<<2)>>2];if(e>>>0>=j>>>0){break f}j=H[h+(e<<2)>>2];f=H[h+(r<<2)>>2];g:{if(!((j|0)>=(d|0)|(f|0)>=(d|0))){e=H[a+72>>2];h=(N(e,j)<<2)+c|0;m=O(H[h+4>>2]);e=(N(e,f)<<2)+c|0;p=O(H[e+4>>2]);y=O(H[e>>2]);n=O(H[h>>2]);if(!(y!=n|m!=p)){h=+m>2147483647;e=H[a+68>>2];if(O(P(m))>2]=m2147483647;if(O(P(n))>2]=n>2]+(d<<2)>>2];H[g+40>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;h=H[a+60>>2];if(!I[h+84|0]){e=H[H[h+68>>2]+(e<<2)>>2]}Va(h,e,F[h+24|0],g+32|0);f=H[H[a+64>>2]+(f<<2)>>2];H[g+24>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;e=H[a+60>>2];if(!I[e+84|0]){f=H[H[e+68>>2]+(f<<2)>>2]}Va(e,f,F[e+24|0],g+16|0);f=H[H[a+64>>2]+(j<<2)>>2];H[g+8>>2]=0;H[g>>2]=0;H[g+4>>2]=0;e=H[a+60>>2];if(!I[e+84|0]){f=H[H[e+68>>2]+(f<<2)>>2]}Va(e,f,F[e+24|0],g);o=L[g+24>>2];s=O(L[g+8>>2]-o);t=L[g+20>>2];u=O(L[g+4>>2]-t);A=L[g+16>>2];w=O(L[g>>2]-A);z=O(O(s*s)+O(O(u*u)+O(O(w*w)+O(0))));h:{if(H[a+88>>2]>=258){i=O(0);if(!(z>O(0))){break h}}i=O(L[g+40>>2]-o);o=O(L[g+36>>2]-t);t=O(L[g+32>>2]-A);q=O(O(O(s*i)+O(O(u*o)+O(O(w*t)+O(0))))/z);i=O(i-O(s*q));s=O(i*i);i=O(o-O(u*q));o=O(i*i);i=O(t-O(w*q));i=O(W(O(O(s+O(o+O(O(i*i)+O(0))))/z)))}f=H[a+80>>2];if(f){e=f-1|0;h=H[H[a+76>>2]+(e>>>3&536870908)>>2];H[a+80>>2]=e;m=O(m-p);o=O(O(m*q)+p);n=O(n-y);p=O(n*i);e=h>>>e&1;p=O(o+(e?p:O(-p)));i=O(i*m);k=T(+O(O(O(n*q)+y)+(e?O(-i):i))+.5);i:{if(k<-2147483648|k!=k|k>2147483647){e=H[a+68>>2];H[e>>2]=-2147483648;break i}e=H[a+68>>2];if(P(k)<2147483648){h=~~k}else{h=-2147483648}H[e>>2]=h}k=T(+p+.5);j=k>2147483647;if(P(k)<2147483648){h=~~k}else{h=-2147483648}H[e+4>>2]=k<-2147483648?-2147483648:k!=k?-2147483648:j?-2147483648:h}f=(f|0)!=0;break g}j:{if((d|0)>(f|0)){e=H[a+72>>2];h=N(f,e);break j}if((d|0)<=0){f=1;if(H[a+72>>2]<=0){break g}h=H[a+68>>2];e=0;while(1){H[h+(e<<2)>>2]=0;e=e+1|0;if((e|0)>2]){continue}break}break g}e=H[a+72>>2];h=N(e,d-1|0)}f=1;if((e|0)<=0){break g}j=H[a+68>>2];e=0;while(1){H[j+(e<<2)>>2]=H[(e+h<<2)+c>>2];e=e+1|0;if((e|0)>2]){continue}break}}ca=g+48|0;break e}Ca();v()}h=f;if(!h){return 0}k:{if(H[a+8>>2]<=0){break k}r=H[a+68>>2];j=H[x>>2];e=0;while(1){f=e<<2;g=H[f+r>>2];l=H[a+16>>2];l:{if((g|0)>(l|0)){H[f+j>>2]=l;break l}f=f+j|0;l=H[a+12>>2];if((l|0)>(g|0)){H[f>>2]=l;break l}H[f>>2]=g}e=e+1|0;g=H[a+8>>2];if((e|0)<(g|0)){continue}break}f=0;if((g|0)<=0){break k}e=d<<3;r=e+c|0;l=b+e|0;while(1){g=f<<2;e=g+r|0;g=H[g+l>>2]+H[g+j>>2]|0;H[e>>2]=g;m:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break m}g=g+H[a+20>>2]|0}H[e>>2]=g}f=f+1|0;if((f|0)>2]){continue}break}}d=d+1|0;if((B|0)!=(d|0)){continue}break}}return h|0}Ca();v()}function kj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=O(0),j=0,k=0,l=O(0),m=O(0),n=O(0),o=O(0),p=0,q=O(0),r=O(0),s=O(0),t=O(0),u=O(0),w=0,x=O(0),y=O(0),z=0,A=O(0),B=0;a:{b:{if((e|0)!=2){break b}H[a+64>>2]=f;H[a+72>>2]=2;e=pa(8);d=H[a+68>>2];H[a+68>>2]=e;if(d){oa(d)}H[a+8>>2]=2;w=a+32|0;e=H[w>>2];d=H[a+36>>2]-e|0;c:{if(d>>>0<=7){ya(w,2-(d>>>2|0)|0);break c}if((d|0)==8){break c}H[a+36>>2]=e+8}h=1;d=H[a+56>>2];d=H[d+4>>2]-H[d>>2]|0;if((d|0)<=0){break b}d=d>>>2|0;B=d>>>0<=1?1:d;d=0;while(1){f=H[a+56>>2];e=H[f>>2];if(H[f+4>>2]-e>>2>>>0<=d>>>0){break a}q=O(0);g=ca-48|0;ca=g;h=-1;d:{e:{e=H[e+(d<<2)>>2];if((e|0)==-1){break e}j=H[a+48>>2];f=e+1|0;f=(f>>>0)%3|0?f:e-2|0;if((f|0)!=-1){h=H[H[j>>2]+(f<<2)>>2]}f=-1;e=e+((e>>>0)%3|0?-1:2)|0;if((e|0)!=-1){f=H[H[j>>2]+(e<<2)>>2]}e=H[a+52>>2];j=H[e>>2];e=H[e+4>>2]-j>>2;if(e>>>0<=h>>>0|e>>>0<=f>>>0){break e}e=H[j+(h<<2)>>2];j=H[j+(f<<2)>>2];f:{if(!((d|0)<=(e|0)|(j|0)>=(d|0))){f=H[a+72>>2];h=(N(f,j)<<2)+c|0;l=O(H[h+4>>2]);f=(N(e,f)<<2)+c|0;o=O(H[f+4>>2]);x=O(H[f>>2]);m=O(H[h>>2]);if(!(x!=m|l!=o)){h=+l>2147483647;e=H[a+68>>2];if(O(P(l))>2]=l2147483647;if(O(P(m))>2]=m>2]+(d<<2)>>2];H[g+40>>2]=0;H[g+32>>2]=0;H[g+36>>2]=0;h=H[a+60>>2];if(!I[h+84|0]){f=H[H[h+68>>2]+(f<<2)>>2]}Va(h,f,F[h+24|0],g+32|0);f=H[H[a+64>>2]+(e<<2)>>2];H[g+24>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;e=H[a+60>>2];if(!I[e+84|0]){f=H[H[e+68>>2]+(f<<2)>>2]}Va(e,f,F[e+24|0],g+16|0);h=H[H[a+64>>2]+(j<<2)>>2];H[g+8>>2]=0;H[g>>2]=0;H[g+4>>2]=0;e=H[a+60>>2];if(!I[e+84|0]){h=H[H[e+68>>2]+(h<<2)>>2]}Va(e,h,F[e+24|0],g);n=L[g+24>>2];r=O(L[g+8>>2]-n);s=L[g+20>>2];t=O(L[g+4>>2]-s);A=L[g+16>>2];u=O(L[g>>2]-A);y=O(O(r*r)+O(O(t*t)+O(O(u*u)+O(0))));g:{if(H[a+88>>2]>=258){i=O(0);if(!(y>O(0))){break g}}i=O(L[g+40>>2]-n);n=O(L[g+36>>2]-s);s=O(L[g+32>>2]-A);q=O(O(O(r*i)+O(O(t*n)+O(O(u*s)+O(0))))/y);i=O(i-O(r*q));r=O(i*i);i=O(n-O(t*q));n=O(i*i);i=O(s-O(u*q));i=O(W(O(O(r+O(n+O(O(i*i)+O(0))))/y)))}e=H[a+80>>2];if(e){f=e-1|0;h=H[H[a+76>>2]+(f>>>3&536870908)>>2];H[a+80>>2]=f;l=O(l-o);n=O(O(l*q)+o);m=O(m-x);o=O(m*i);f=h>>>f&1;o=O(n+(f?o:O(-o)));i=O(i*l);k=T(+O(O(O(m*q)+x)+(f?O(-i):i))+.5);h:{if(k<-2147483648|k!=k|k>2147483647){h=H[a+68>>2];H[h>>2]=-2147483648;break h}h=H[a+68>>2];if(P(k)<2147483648){f=~~k}else{f=-2147483648}H[h>>2]=f}k=T(+o+.5);j=k>2147483647;if(P(k)<2147483648){f=~~k}else{f=-2147483648}H[h+4>>2]=k<-2147483648?-2147483648:k!=k?-2147483648:j?-2147483648:f}h=(e|0)!=0;break f}i:{if((d|0)>(e|0)){f=H[a+72>>2];e=N(e,f);break i}if((d|0)<=0){h=1;if(H[a+72>>2]<=0){break f}e=H[a+68>>2];f=0;while(1){H[e+(f<<2)>>2]=0;f=f+1|0;if((f|0)>2]){continue}break}break f}f=H[a+72>>2];e=N(f,d-1|0)}h=1;if((f|0)<=0){break f}j=H[a+68>>2];f=0;while(1){H[j+(f<<2)>>2]=H[(e+f<<2)+c>>2];f=f+1|0;if((f|0)>2]){continue}break}}ca=g+48|0;break d}Ca();v()}if(!h){return 0}j:{if(H[a+8>>2]<=0){break j}z=H[a+68>>2];j=H[w>>2];e=0;while(1){f=e<<2;g=H[f+z>>2];p=H[a+16>>2];k:{if((g|0)>(p|0)){H[f+j>>2]=p;break k}f=f+j|0;p=H[a+12>>2];if((p|0)>(g|0)){H[f>>2]=p;break k}H[f>>2]=g}e=e+1|0;g=H[a+8>>2];if((e|0)<(g|0)){continue}break}f=0;if((g|0)<=0){break j}e=d<<3;z=e+c|0;p=b+e|0;while(1){g=f<<2;e=g+z|0;g=H[g+p>>2]+H[g+j>>2]|0;H[e>>2]=g;l:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break l}g=g+H[a+20>>2]|0}H[e>>2]=g}f=f+1|0;if((f|0)>2]){continue}break}}d=d+1|0;if((B|0)!=(d|0)){continue}break}}return h|0}Ca();v()}function Of(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;f=ca-704|0;ca=f;n=1;a:{b:{c:{d:{if(J[b+38>>1]<515){break d}n=0;c=H[b+20>>2];d=H[b+12>>2];g=H[b+16>>2];if((c|0)>=(d|0)&g>>>0>=K[b+8>>2]|(c|0)>(d|0)){break d}p=I[H[b>>2]+g|0];g=g+1|0;c=g?c:c+1|0;H[b+16>>2]=g;H[b+20>>2]=c;g=H[H[(ea[H[H[a>>2]+28>>2]](a)|0)+4>>2]+80>>2];c=ea[H[H[a>>2]+24>>2]](a)|0;H[f+40>>2]=0;H[f+32>>2]=0;H[f+36>>2]=0;if(c){if(c>>>0>=214748365){break c}c=N(c,20);d=pa(c);H[f+32>>2]=d;H[f+40>>2]=c+d;c=c-20|0;c=(c-((c>>>0)%20|0)|0)+20|0;q=f,r=ra(d,0,c)+c|0,H[q+36>>2]=r}e:{if((ea[H[H[a>>2]+24>>2]](a)|0)>0){while(1){c=ea[H[H[a>>2]+20>>2]](a,l)|0;c=H[H[H[(ea[H[H[a>>2]+28>>2]](a)|0)+4>>2]+8>>2]+(c<<2)>>2];mb(c,g);F[c+84|0]=1;H[c+72>>2]=H[c+68>>2];d=H[c+28>>2];if(d>>>0>9){break e}f:{g:{h:{e=1<>2],d,6,0,i,i>>31);c=jc(pa(96),e);H[f>>2]=c;F[c+84|0]=1;H[c+72>>2]=H[c+68>>2];mb(c,g);c=H[a+64>>2];if(c>>>0>=K[a+68>>2]){break h}d=H[f>>2];H[f>>2]=0;H[c>>2]=d;c=c+4|0;H[a+64>>2]=c;break g}j=0;if(!I[c+24|0]){break f}while(1){d=H[a+52>>2];i=H[a+56>>2];i:{if(d>>>0>>0){H[d>>2]=0;H[a+52>>2]=d+4;break i}e=d;d=H[a+48>>2];m=e-d|0;k=m>>2;e=k+1|0;if(e>>>0>=1073741824){break b}o=k<<2;i=i-d|0;k=i>>>1|0;e=i>>>0>=2147483644?1073741823:e>>>0>>0?k:e;if(e){if(e>>>0>=1073741824){break a}i=pa(e<<2)}else{i=0}k=o+i|0;H[k>>2]=0;o=e<<2;e=va(i,d,m);H[a+56>>2]=o+e;H[a+52>>2]=k+4;H[a+48>>2]=e;if(!d){break i}oa(d)}j=j+1|0;if(j>>>0>2];i=H[a+64>>2]-e>>2;d=i+1|0;if(d>>>0<1073741824){e=H[a+68>>2]-e|0;j=e>>>1|0;e=e>>>0>=2147483644?1073741823:d>>>0>>0?j:d;if(e){if(e>>>0>=1073741824){break l}c=pa(e<<2)}j=H[f>>2];H[f>>2]=0;d=(i<<2)+c|0;H[d>>2]=j;e=(e<<2)+c|0;i=d+4|0;c=H[a+64>>2];j=H[a+60>>2];if((c|0)==(j|0)){break k}while(1){c=c-4|0;m=H[c>>2];H[c>>2]=0;d=d-4|0;H[d>>2]=m;if((c|0)!=(j|0)){continue}break}H[a+68>>2]=e;e=H[a+64>>2];H[a+64>>2]=i;c=H[a+60>>2];H[a+60>>2]=d;if((c|0)==(e|0)){break j}while(1){e=e-4|0;d=H[e>>2];H[e>>2]=0;if(d){Ga(d)}if((c|0)!=(e|0)){continue}break}break j}sa();v()}wa();v()}H[a+68>>2]=e;H[a+64>>2]=i;H[a+60>>2]=d}if(c){oa(c)}c=H[a+64>>2]}c=H[c-4>>2];d=H[f>>2];H[f>>2]=0;if(!d){break f}Ga(d)}i=H[c+28>>2];d=i-1|0;if(d>>>0<=10){e=H[(d<<2)+13584>>2]}else{e=-1}d=H[f+32>>2]+N(l,20)|0;j=I[c+24|0];H[d+16>>2]=j;H[d+12>>2]=(e|0)>0?e:0;H[d+8>>2]=i;H[d+4>>2]=h;H[d>>2]=c;h=h+j|0;l=l+1|0;if((ea[H[H[a>>2]+24>>2]](a)|0)>(l|0)){continue}break}}a=Ac(f,f+32|0);m:{n:{o:{switch(p|0){case 0:c=wb(f+48|0,h);b=Bd(c,b,a,g);h=H[c+8>>2];xb(c);if(!b){break m}if((h|0)==(g|0)){break n}break m;case 1:c=wb(f+48|0,h);b=zd(c,b,a,g);h=H[c+8>>2];xb(c);if(!b){break m}if((h|0)==(g|0)){break n}break m;case 2:c=ub(f+48|0,h);b=yd(c,b,a,g);h=H[c+8>>2];vb(c);if(!b){break m}if((h|0)==(g|0)){break n}break m;case 3:c=ub(f+48|0,h);b=xd(c,b,a,g);h=H[c+8>>2];vb(c);if(!b){break m}if((h|0)==(g|0)){break n}break m;case 4:c=$a(f+48|0,h);b=wd(c,b,a,g);h=H[c+8>>2];ab(c);if(!b){break m}if((h|0)==(g|0)){break n}break m;case 5:c=$a(f+48|0,h);b=vd(c,b,a,g);h=H[c+8>>2];ab(c);if(!b){break m}if((h|0)==(g|0)){break n}break m;case 6:break o;default:break m}}c=$a(f+48|0,h);b=ud(c,b,a,g);h=H[c+8>>2];ab(c);if(!b|(h|0)!=(g|0)){break m}}n=1}b=H[a+16>>2];if(b){H[a+20>>2]=b;oa(b)}b=H[a>>2];if(!b){break e}H[a+4>>2]=b;oa(b)}a=H[f+32>>2];if(!a){break d}H[f+36>>2]=a;oa(a)}ca=f+704|0;return n|0}sa();v()}sa();v()}wa();v()}function Zi(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0;e=ca-32|0;ca=e;a:{b:{switch(c-2|0){case 0:c=H[a+4>>2];f=H[a+12>>2];H[e+24>>2]=-1;H[e+16>>2]=-1;H[e+20>>2]=1065353216;H[e+8>>2]=-1;H[e+12>>2]=-1;if((b|0)==-2){break a}i=H[H[H[c+4>>2]+8>>2]+(f<<2)>>2];if((ea[H[H[c>>2]+8>>2]](c)|0)==1){h=H[H[H[c+4>>2]+8>>2]+(f<<2)>>2];c:{if((ea[H[H[c>>2]+8>>2]](c)|0)!=1|b-1>>>0>5){break c}g=ea[H[H[c>>2]+36>>2]](c)|0;a=ea[H[H[c>>2]+44>>2]](c,f)|0;if(!g|!a){break c}f=ea[H[H[c>>2]+40>>2]](c,f)|0;d:{if(f){if((b|0)!=6){break c}b=H[c+44>>2];d=pa(112);H[d+4>>2]=h;c=H[e+12>>2];H[d+8>>2]=H[e+8>>2];H[d+12>>2]=c;c=H[e+20>>2];H[d+16>>2]=H[e+16>>2];H[d+20>>2]=c;H[d+24>>2]=H[e+24>>2];H[d+40>>2]=a;c=a+12|0;H[d+36>>2]=c;H[d+32>>2]=f;H[d+28>>2]=b;H[d+68>>2]=a;H[d- -64>>2]=c;H[d+60>>2]=f;H[d+56>>2]=b;H[d+48>>2]=0;H[d+52>>2]=0;H[d>>2]=7144;H[d+88>>2]=1065353216;H[d+92>>2]=-1;H[d+80>>2]=-1;H[d+84>>2]=-1;H[d+72>>2]=1;H[d+76>>2]=-1;H[d+44>>2]=7668;a=d+96|0;break d}if((b|0)!=6){break c}b=H[c+44>>2];d=pa(112);H[d+4>>2]=h;c=H[e+12>>2];H[d+8>>2]=H[e+8>>2];H[d+12>>2]=c;c=H[e+20>>2];H[d+16>>2]=H[e+16>>2];H[d+20>>2]=c;H[d+24>>2]=H[e+24>>2];H[d+40>>2]=a;c=a+12|0;H[d+36>>2]=c;H[d+32>>2]=g;H[d+28>>2]=b;H[d+68>>2]=a;H[d- -64>>2]=c;H[d+60>>2]=g;H[d+56>>2]=b;H[d+48>>2]=0;H[d+52>>2]=0;H[d>>2]=8080;H[d+88>>2]=1065353216;H[d+92>>2]=-1;H[d+80>>2]=-1;H[d+84>>2]=-1;H[d+72>>2]=1;H[d+76>>2]=-1;H[d+44>>2]=8472;a=d+96|0}H[a>>2]=0;H[a+4>>2]=0;F[a+5|0]=0;F[a+6|0]=0;F[a+7|0]=0;F[a+8|0]=0;F[a+9|0]=0;F[a+10|0]=0;F[a+11|0]=0;F[a+12|0]=0}if(d){break a}}d=pa(28);H[d+4>>2]=i;a=H[e+12>>2];H[d+8>>2]=H[e+8>>2];H[d+12>>2]=a;a=H[e+20>>2];H[d+16>>2]=H[e+16>>2];H[d+20>>2]=a;H[d+24>>2]=H[e+24>>2];H[d>>2]=8860;break a;case 1:break b;default:break a}}c=H[a+4>>2];f=H[a+12>>2];H[e+24>>2]=-1;H[e+16>>2]=-1;H[e+20>>2]=1065353216;H[e+8>>2]=-1;H[e+12>>2]=-1;if((b|0)==-2){break a}i=H[H[H[c+4>>2]+8>>2]+(f<<2)>>2];if((ea[H[H[c>>2]+8>>2]](c)|0)==1){h=H[H[H[c+4>>2]+8>>2]+(f<<2)>>2];e:{if((ea[H[H[c>>2]+8>>2]](c)|0)!=1|b-1>>>0>5){break e}g=ea[H[H[c>>2]+36>>2]](c)|0;a=ea[H[H[c>>2]+44>>2]](c,f)|0;if(!g|!a){break e}f=ea[H[H[c>>2]+40>>2]](c,f)|0;f:{if(f){if((b|0)!=6){break e}b=H[c+44>>2];d=pa(112);H[d+4>>2]=h;c=H[e+12>>2];H[d+8>>2]=H[e+8>>2];H[d+12>>2]=c;c=H[e+20>>2];H[d+16>>2]=H[e+16>>2];H[d+20>>2]=c;H[d+24>>2]=H[e+24>>2];H[d+40>>2]=a;c=a+12|0;H[d+36>>2]=c;H[d+32>>2]=f;H[d+28>>2]=b;H[d+68>>2]=a;H[d- -64>>2]=c;H[d+60>>2]=f;H[d+56>>2]=b;H[d+48>>2]=0;H[d+52>>2]=0;H[d>>2]=9028;H[d+88>>2]=1065353216;H[d+92>>2]=-1;H[d+80>>2]=-1;H[d+84>>2]=-1;H[d+72>>2]=1;H[d+76>>2]=-1;H[d+44>>2]=9592;a=d+96|0;break f}if((b|0)!=6){break e}b=H[c+44>>2];d=pa(112);H[d+4>>2]=h;c=H[e+12>>2];H[d+8>>2]=H[e+8>>2];H[d+12>>2]=c;c=H[e+20>>2];H[d+16>>2]=H[e+16>>2];H[d+20>>2]=c;H[d+24>>2]=H[e+24>>2];H[d+40>>2]=a;c=a+12|0;H[d+36>>2]=c;H[d+32>>2]=g;H[d+28>>2]=b;H[d+68>>2]=a;H[d- -64>>2]=c;H[d+60>>2]=g;H[d+56>>2]=b;H[d+48>>2]=0;H[d+52>>2]=0;H[d>>2]=10032;H[d+88>>2]=1065353216;H[d+92>>2]=-1;H[d+80>>2]=-1;H[d+84>>2]=-1;H[d+72>>2]=1;H[d+76>>2]=-1;H[d+44>>2]=10452;a=d+96|0}H[a>>2]=0;H[a+4>>2]=0;F[a+5|0]=0;F[a+6|0]=0;F[a+7|0]=0;F[a+8|0]=0;F[a+9|0]=0;F[a+10|0]=0;F[a+11|0]=0;F[a+12|0]=0}if(d){break a}}d=pa(28);H[d+4>>2]=i;a=H[e+12>>2];H[d+8>>2]=H[e+8>>2];H[d+12>>2]=a;a=H[e+20>>2];H[d+16>>2]=H[e+16>>2];H[d+20>>2]=a;H[d+24>>2]=H[e+24>>2];H[d>>2]=10864}ca=e+32|0;return d|0}function Ki(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=O(0),f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=O(0),p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0;if(H[c>>2]==H[c+4>>2]){m=H[d+80>>2];u=ca-16|0;ca=u;g=H[a+4>>2];k=I[b+24|0];h=H[d+48>>2];n=H[H[d>>2]>>2];c=u+8|0;H[c>>2]=1065353216;d=c;L[c>>2]=O(-1<>2];c=pa(k<<2);a:{if(!m|!k){break a}p=h+n|0;o=L[d>>2];n=H[a+8>>2];v=H[b>>2];d=H[b+48>>2];g=H[b+40>>2];w=H[b+44>>2];if(!I[b+84|0]){f=H[b+68>>2];s=k&254;t=k&1;a=0;while(1){b=H[v>>2];l=Rj(g,w,H[f+(i<<2)>>2],0)+d|0;h=qa(c,b+l|0,g);b=0;q=0;if((k|0)!=1){while(1){l=p+(a<<2)|0;j=b<<2;e=O(T(O(O(o*O(L[j+h>>2]-L[n+j>>2]))+O(.5))));b:{if(O(P(e))>2]=r;j=j|4;e=O(T(O(O(o*O(L[j+h>>2]-L[n+j>>2]))+O(.5))));c:{if(O(P(e))>2]=j;b=b+2|0;a=a+2|0;q=q+2|0;if((s|0)!=(q|0)){continue}break}}if(t){l=p+(a<<2)|0;b=b<<2;e=O(T(O(O(o*O(L[b+h>>2]-L[b+n>>2]))+O(.5))));d:{if(O(P(e))>2]=b;a=a+1|0}i=i+1|0;if((m|0)!=(i|0)){continue}break}break a}s=k&254;t=k&1;a=0;while(1){b=H[v>>2];h=Rj(g,w,i,l)+d|0;j=qa(c,b+h|0,g);b=0;q=0;if((k|0)!=1){while(1){h=p+(a<<2)|0;f=b<<2;e=O(T(O(O(o*O(L[f+j>>2]-L[f+n>>2]))+O(.5))));e:{if(O(P(e))>2]=r;f=f|4;e=O(T(O(O(o*O(L[f+j>>2]-L[f+n>>2]))+O(.5))));f:{if(O(P(e))>2]=f;b=b+2|0;a=a+2|0;q=q+2|0;if((s|0)!=(q|0)){continue}break}}if(t){h=p+(a<<2)|0;b=b<<2;e=O(T(O(O(o*O(L[b+j>>2]-L[b+n>>2]))+O(.5))));g:{if(O(P(e))>2]=b;a=a+1|0}b=l;i=i+1|0;b=i?b:b+1|0;l=b;if((i|0)!=(m|0)|b){continue}break}}oa(c);ca=u+16|0;return 1}j=ca-16|0;ca=j;m=H[a+4>>2];i=I[b+24|0];g=H[d+48>>2];h=H[H[d>>2]>>2];d=j+8|0;H[d>>2]=1065353216;l=d;L[d>>2]=O(-1<>2];d=pa(i<<2);m=H[c+4>>2];q=H[c>>2];h:{if(!i|(m|0)==(q|0)){break h}n=h+g|0;c=m-q>>2;u=c>>>0<=1?1:c;o=L[l>>2];h=H[a+8>>2];v=H[b>>2];l=H[b+48>>2];m=H[b+40>>2];w=H[b+44>>2];if(I[b+84|0]){s=i&254;t=i&1;a=0;c=0;while(1){b=H[v>>2];g=Rj(m,w,H[q+(c<<2)>>2],0)+l|0;p=qa(d,b+g|0,m);b=0;k=0;if((i|0)!=1){while(1){g=n+(a<<2)|0;f=b<<2;e=O(T(O(O(o*O(L[f+p>>2]-L[h+f>>2]))+O(.5))));i:{if(O(P(e))>2]=r;f=f|4;e=O(T(O(O(o*O(L[f+p>>2]-L[h+f>>2]))+O(.5))));j:{if(O(P(e))>2]=f;b=b+2|0;a=a+2|0;k=k+2|0;if((s|0)!=(k|0)){continue}break}}if(t){g=n+(a<<2)|0;b=b<<2;e=O(T(O(O(o*O(L[b+p>>2]-L[b+h>>2]))+O(.5))));k:{if(O(P(e))>2]=b;a=a+1|0}c=c+1|0;if((u|0)!=(c|0)){continue}break}break h}s=H[b+68>>2];t=i&254;x=i&1;a=0;c=0;while(1){b=H[v>>2];g=Rj(m,w,H[s+(H[q+(c<<2)>>2]<<2)>>2],0)+l|0;p=qa(d,b+g|0,m);b=0;k=0;if((i|0)!=1){while(1){g=n+(a<<2)|0;f=b<<2;e=O(T(O(O(o*O(L[f+p>>2]-L[h+f>>2]))+O(.5))));l:{if(O(P(e))>2]=r;f=f|4;e=O(T(O(O(o*O(L[f+p>>2]-L[h+f>>2]))+O(.5))));m:{if(O(P(e))>2]=f;b=b+2|0;a=a+2|0;k=k+2|0;if((t|0)!=(k|0)){continue}break}}if(x){g=n+(a<<2)|0;b=b<<2;e=O(T(O(O(o*O(L[b+p>>2]-L[b+h>>2]))+O(.5))));n:{if(O(P(e))>2]=b;a=a+1|0}c=c+1|0;if((u|0)!=(c|0)){continue}break}}oa(d);ca=j+16|0;return 1}function dd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;c=H[a+4>>2];e=H[a>>2];f=(c-e|0)/144|0;if(f>>>0>>0){e=a;b=b-f|0;h=H[a+8>>2];c=H[a+4>>2];a:{if(b>>>0<=(h-c|0)/144>>>0){b:{if(!b){break b}a=c;f=b&7;if(f){while(1){Ia(a);a=a+144|0;d=d+1|0;if((f|0)!=(d|0)){continue}break}}c=N(b,144)+c|0;if((b-1&268435455)>>>0<7){break b}while(1){Ia(a);Ia(a+144|0);Ia(a+288|0);Ia(a+432|0);Ia(a+576|0);Ia(a+720|0);Ia(a+864|0);Ia(a+1008|0);a=a+1152|0;if((c|0)!=(a|0)){continue}break}}H[e+4>>2]=c;break a}c:{d:{e:{a=c;c=H[e>>2];i=(a-c|0)/144|0;a=i+b|0;if(a>>>0<29826162){c=(h-c|0)/144|0;f=c<<1;f=c>>>0>=14913080?29826161:a>>>0>>0?f:a;if(f){if(f>>>0>=29826162){break e}g=pa(N(f,144))}c=N(i,144)+g|0;a=c;h=b&7;if(h){while(1){Ia(a);a=a+144|0;d=d+1|0;if((h|0)!=(d|0)){continue}break}}h=N(b,144)+c|0;if((b-1&268435455)>>>0>=7){while(1){Ia(a);Ia(a+144|0);Ia(a+288|0);Ia(a+432|0);Ia(a+576|0);Ia(a+720|0);Ia(a+864|0);Ia(a+1008|0);a=a+1152|0;if((h|0)!=(a|0)){continue}break}}b=N(f,144)+g|0;d=H[e+4>>2];f=H[e>>2];if((d|0)==(f|0)){break d}while(1){c=c-144|0;d=d-144|0;a=d;H[c>>2]=H[a>>2];H[c+4>>2]=H[a+4>>2];H[c+8>>2]=H[a+8>>2];H[c+12>>2]=H[a+12>>2];H[a+12>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[c+16>>2]=H[a+16>>2];H[c+20>>2]=H[a+20>>2];H[c+24>>2]=H[a+24>>2];H[a+24>>2]=0;H[a+16>>2]=0;H[a+20>>2]=0;g=I[a+28|0];H[c+40>>2]=0;H[c+32>>2]=0;H[c+36>>2]=0;F[c+28|0]=g;H[c+32>>2]=H[a+32>>2];H[c+36>>2]=H[a+36>>2];H[c+40>>2]=H[a+40>>2];H[a+40>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;H[c+52>>2]=0;H[c+44>>2]=0;H[c+48>>2]=0;H[c+44>>2]=H[a+44>>2];H[c+48>>2]=H[a+48>>2];H[c+52>>2]=H[a+52>>2];H[a+52>>2]=0;H[a+44>>2]=0;H[a+48>>2]=0;g=c- -64|0;H[g>>2]=0;H[c+56>>2]=0;H[c+60>>2]=0;H[c+56>>2]=H[a+56>>2];H[c+60>>2]=H[a+60>>2];i=g;g=a- -64|0;H[i>>2]=H[g>>2];H[g>>2]=0;H[a+56>>2]=0;H[a+60>>2]=0;H[c+68>>2]=H[a+68>>2];g=H[a+72>>2];H[c+84>>2]=0;H[c+76>>2]=0;H[c+80>>2]=0;H[c+72>>2]=g;H[c+76>>2]=H[a+76>>2];H[c+80>>2]=H[a+80>>2];H[c+84>>2]=H[a+84>>2];H[a+84>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[c+96>>2]=0;H[c+88>>2]=0;H[c+92>>2]=0;H[c+88>>2]=H[a+88>>2];H[c+92>>2]=H[a+92>>2];H[c+96>>2]=H[a+96>>2];H[a+96>>2]=0;H[a+88>>2]=0;H[a+92>>2]=0;g=I[a+100|0];H[c+112>>2]=0;H[c+104>>2]=0;H[c+108>>2]=0;F[c+100|0]=g;H[c+104>>2]=H[a+104>>2];H[c+108>>2]=H[a+108>>2];H[c+112>>2]=H[a+112>>2];H[a+112>>2]=0;H[a+104>>2]=0;H[a+108>>2]=0;H[c+124>>2]=0;H[c+116>>2]=0;H[c+120>>2]=0;H[c+116>>2]=H[a+116>>2];H[c+120>>2]=H[a+120>>2];H[c+124>>2]=H[a+124>>2];H[a+124>>2]=0;H[a+116>>2]=0;H[a+120>>2]=0;g=H[a+128>>2];H[c+140>>2]=0;H[c+132>>2]=0;H[c+136>>2]=0;H[c+128>>2]=g;H[c+132>>2]=H[a+132>>2];H[c+136>>2]=H[a+136>>2];H[c+140>>2]=H[a+140>>2];H[a+140>>2]=0;H[a+132>>2]=0;H[a+136>>2]=0;if((a|0)!=(f|0)){continue}break}H[e+8>>2]=b;a=H[e+4>>2];H[e+4>>2]=h;d=H[e>>2];H[e>>2]=c;if((a|0)==(d|0)){break c}while(1){b=a-144|0;c=H[b+132>>2];if(c){H[a-8>>2]=c;oa(c)}c=H[a-28>>2];if(c){H[a-24>>2]=c;oa(c)}c=H[a-40>>2];if(c){H[a-36>>2]=c;oa(c)}oc(a-140|0);a=b;if((d|0)!=(a|0)){continue}break}break c}sa();v()}wa();v()}H[e+8>>2]=b;H[e+4>>2]=h;H[e>>2]=c}if(d){oa(d)}}return}if(b>>>0>>0){e=e+N(b,144)|0;if((e|0)!=(c|0)){while(1){b=c-144|0;d=H[b+132>>2];if(d){H[c-8>>2]=d;oa(d)}d=H[c-28>>2];if(d){H[c-24>>2]=d;oa(d)}d=H[c-40>>2];if(d){H[c-36>>2]=d;oa(d)}oc(c-140|0);c=b;if((e|0)!=(c|0)){continue}break}}H[a+4>>2]=e}}function Pe(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0;f=ca-80|0;ca=f;e=H[c+36>>2];H[f+72>>2]=H[c+32>>2];H[f+76>>2]=e;g=H[c+28>>2];e=f- -64|0;H[e>>2]=H[c+24>>2];H[e+4>>2]=g;e=H[c+20>>2];H[f+56>>2]=H[c+16>>2];H[f+60>>2]=e;e=H[c+12>>2];H[f+48>>2]=H[c+8>>2];H[f+52>>2]=e;e=H[c+4>>2];H[f+40>>2]=H[c>>2];H[f+44>>2]=e;nc(a,f+40|0,f+24|0);a:{if(H[a>>2]){break a}if(F[a+15|0]<0){oa(H[a+4>>2])}if(I[f+31|0]){b=pa(32);F[b+27|0]=0;c=I[1521]|I[1522]<<8|(I[1523]<<16|I[1524]<<24);F[b+23|0]=c;F[b+24|0]=c>>>8;F[b+25|0]=c>>>16;F[b+26|0]=c>>>24;c=I[1518]|I[1519]<<8|(I[1520]<<16|I[1521]<<24);d=I[1514]|I[1515]<<8|(I[1516]<<16|I[1517]<<24);F[b+16|0]=d;F[b+17|0]=d>>>8;F[b+18|0]=d>>>16;F[b+19|0]=d>>>24;F[b+20|0]=c;F[b+21|0]=c>>>8;F[b+22|0]=c>>>16;F[b+23|0]=c>>>24;c=I[1510]|I[1511]<<8|(I[1512]<<16|I[1513]<<24);d=I[1506]|I[1507]<<8|(I[1508]<<16|I[1509]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=c;F[b+13|0]=c>>>8;F[b+14|0]=c>>>16;F[b+15|0]=c>>>24;c=I[1502]|I[1503]<<8|(I[1504]<<16|I[1505]<<24);d=I[1498]|I[1499]<<8|(I[1500]<<16|I[1501]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=c;F[b+5|0]=c>>>8;F[b+6|0]=c>>>16;F[b+7|0]=c>>>24;H[a>>2]=-1;za(a+4|0,b,27);oa(b);break a}i=ca-16|0;ca=i;b:{c:{switch(F[f+32|0]){case 0:e=pa(44);H[e>>2]=0;H[e+4>>2]=0;H[e+40>>2]=0;H[e+32>>2]=0;H[e+36>>2]=0;H[e+24>>2]=0;H[e+28>>2]=0;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;e=Vc(e);H[e>>2]=13496;H[f+8>>2]=0;H[f+12>>2]=0;H[f>>2]=0;H[f+4>>2]=0;H[f+16>>2]=e;break b;case 1:e=pa(44);H[e>>2]=0;H[e+4>>2]=0;H[e+40>>2]=0;H[e+32>>2]=0;H[e+36>>2]=0;H[e+24>>2]=0;H[e+28>>2]=0;H[e+16>>2]=0;H[e+20>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;e=Vc(e);H[e>>2]=13404;H[f+8>>2]=0;H[f+12>>2]=0;H[f>>2]=0;H[f+4>>2]=0;H[f+16>>2]=e;break b;default:break c}}g=pa(32);F[g+28|0]=0;e=I[1550]|I[1551]<<8|(I[1552]<<16|I[1553]<<24);F[g+24|0]=e;F[g+25|0]=e>>>8;F[g+26|0]=e>>>16;F[g+27|0]=e>>>24;e=I[1546]|I[1547]<<8|(I[1548]<<16|I[1549]<<24);h=I[1542]|I[1543]<<8|(I[1544]<<16|I[1545]<<24);F[g+16|0]=h;F[g+17|0]=h>>>8;F[g+18|0]=h>>>16;F[g+19|0]=h>>>24;F[g+20|0]=e;F[g+21|0]=e>>>8;F[g+22|0]=e>>>16;F[g+23|0]=e>>>24;e=I[1538]|I[1539]<<8|(I[1540]<<16|I[1541]<<24);h=I[1534]|I[1535]<<8|(I[1536]<<16|I[1537]<<24);F[g+8|0]=h;F[g+9|0]=h>>>8;F[g+10|0]=h>>>16;F[g+11|0]=h>>>24;F[g+12|0]=e;F[g+13|0]=e>>>8;F[g+14|0]=e>>>16;F[g+15|0]=e>>>24;e=I[1530]|I[1531]<<8|(I[1532]<<16|I[1533]<<24);h=I[1526]|I[1527]<<8|(I[1528]<<16|I[1529]<<24);F[g|0]=h;F[g+1|0]=h>>>8;F[g+2|0]=h>>>16;F[g+3|0]=h>>>24;F[g+4|0]=e;F[g+5|0]=e>>>8;F[g+6|0]=e>>>16;F[g+7|0]=e>>>24;H[i>>2]=-1;e=i|4;za(e,g,28);j=F[i+15|0];H[f>>2]=H[i>>2];h=f+4|0;d:{if((j|0)>=0){j=H[e+4>>2];H[h>>2]=H[e>>2];H[h+4>>2]=j;H[h+8>>2]=H[e+8>>2];H[f+16>>2]=0;break d}za(h,H[i+4>>2],H[i+8>>2]);e=F[i+15|0];H[f+16>>2]=0;if((e|0)>=0){break d}oa(H[i+4>>2])}oa(g)}ca=i+16|0;e=H[f>>2];e:{if(e){H[a>>2]=e;a=a+4|0;if(F[f+15|0]>=0){b=f|4;c=H[b+4>>2];H[a>>2]=H[b>>2];H[a+4>>2]=c;H[a+8>>2]=H[b+8>>2];break e}za(a,H[f+4>>2],H[f+8>>2]);break e}e=H[f+16>>2];H[f+16>>2]=0;te(a,e,b,c,d);if(!H[a>>2]){if(F[a+15|0]<0){oa(H[a+4>>2])}H[a>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a+12>>2]=0}ea[H[H[e>>2]+4>>2]](e)}a=H[f+16>>2];H[f+16>>2]=0;if(a){ea[H[H[a>>2]+4>>2]](a)}if(F[f+15|0]>=0){break a}oa(H[f+4>>2])}ca=f+80|0}function Ic(a){var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;H[a+56>>2]=H[a+52>>2];H[a+44>>2]=H[a+40>>2];b=H[a+64>>2];c=H[b+24>>2];if((c|0)==H[b+28>>2]){return 1}a:{b:{c:{while(1){g=i;i=H[(k<<2)+c>>2];d:{if((i|0)==-1){i=g;break d}b=H[a+56>>2];e:{if((b|0)!=H[a+60>>2]){H[b>>2]=g;H[a+56>>2]=b+4;break e}d=H[a+52>>2];e=b-d|0;h=e>>2;c=h+1|0;if(c>>>0>=1073741824){break c}f=e>>>1|0;f=e>>>0>=2147483644?1073741823:c>>>0>>0?f:c;if(f){if(f>>>0>=1073741824){break b}e=pa(f<<2)}else{e=0}c=e+(h<<2)|0;H[c>>2]=g;h=c+4|0;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;H[c>>2]=H[b>>2];if((b|0)!=(d|0)){continue}break}}H[a+60>>2]=e+(f<<2);H[a+56>>2]=h;H[a+52>>2]=c;if(!d){break e}oa(d)}f:{g:{if(!(H[H[a+12>>2]+(k>>>3&536870908)>>2]>>>k&1)){break g}e=i+1|0;e=(e>>>0)%3|0?e:i-2|0;if((e|0)==-1|H[H[a>>2]+(e>>>3&536870908)>>2]>>>e&1){break g}e=H[H[H[a+64>>2]+12>>2]+(e<<2)>>2];if((e|0)==-1){break g}b=e+1|0;b=(b>>>0)%3|0?b:e-2|0;if((b|0)==-1){break g}c=H[a+64>>2];f=H[a>>2];while(1){e=b;b=-1;d=e+1|0;d=(d>>>0)%3|0?d:e-2|0;h:{if((d|0)==-1|H[f+(d>>>3&536870908)>>2]>>>d&1){break h}d=H[H[c+12>>2]+(d<<2)>>2];if((d|0)==-1){break h}b=d+1|0;b=(b>>>0)%3|0?b:d-2|0}if((b|0)!=(i|0)){if((b|0)==-1){break f}continue}break}return 0}e=i}H[H[a+28>>2]+(e<<2)>>2]=g;b=H[a+44>>2];i:{if((b|0)!=H[a+48>>2]){H[b>>2]=e;H[a+44>>2]=b+4;break i}d=H[a+40>>2];i=b-d|0;h=i>>2;c=h+1|0;if(c>>>0>=1073741824){break a}f=i>>>1|0;f=i>>>0>=2147483644?1073741823:c>>>0>>0?f:c;if(f){if(f>>>0>=1073741824){break b}i=pa(f<<2)}else{i=0}c=i+(h<<2)|0;H[c>>2]=e;h=c+4|0;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;H[c>>2]=H[b>>2];if((b|0)!=(d|0)){continue}break}}H[a+48>>2]=i+(f<<2);H[a+44>>2]=h;H[a+40>>2]=c;if(!d){break i}oa(d)}i=g+1|0;b=H[a+64>>2];if((e|0)==-1){break d}j:{if((e>>>0)%3|0){c=e-1|0;break j}c=e+2|0;if((c|0)==-1){break d}}d=H[H[b+12>>2]+(c<<2)>>2];if((d|0)==-1){break d}f=d+((d>>>0)%3|0?-1:2)|0;if((f|0)==-1|(e|0)==(f|0)){break d}while(1){b=f+1|0;b=(b>>>0)%3|0?b:f-2|0;if(H[H[a>>2]+(b>>>3&536870908)>>2]>>>b&1){b=H[a+56>>2];k:{if((b|0)!=H[a+60>>2]){H[b>>2]=i;H[a+56>>2]=b+4;break k}d=H[a+52>>2];g=b-d|0;j=g>>2;c=j+1|0;if(c>>>0>=1073741824){break c}h=g>>>1|0;h=g>>>0>=2147483644?1073741823:c>>>0>>0?h:c;if(h){if(h>>>0>=1073741824){break b}g=pa(h<<2)}else{g=0}c=g+(j<<2)|0;H[c>>2]=i;j=c+4|0;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;H[c>>2]=H[b>>2];if((b|0)!=(d|0)){continue}break}}H[a+60>>2]=g+(h<<2);H[a+56>>2]=j;H[a+52>>2]=c;if(!d){break k}oa(d)}d=i+1|0;b=H[a+44>>2];l:{if((b|0)!=H[a+48>>2]){H[b>>2]=f;H[a+44>>2]=b+4;break l}h=H[a+40>>2];g=b-h|0;l=g>>2;c=l+1|0;if(c>>>0>=1073741824){break a}j=g>>>1|0;j=g>>>0>=2147483644?1073741823:c>>>0>>0?j:c;if(j){if(j>>>0>=1073741824){break b}g=pa(j<<2)}else{g=0}c=g+(l<<2)|0;H[c>>2]=f;l=c+4|0;if((b|0)!=(h|0)){while(1){c=c-4|0;b=b-4|0;H[c>>2]=H[b>>2];if((b|0)!=(h|0)){continue}break}}H[a+48>>2]=g+(j<<2);H[a+44>>2]=l;H[a+40>>2]=c;if(!h){break l}oa(h)}g=i;i=d}H[H[a+28>>2]+(f<<2)>>2]=g;b=H[a+64>>2];m:{if((f>>>0)%3|0){c=f-1|0;break m}c=f+2|0;if((c|0)==-1){break d}}d=H[H[b+12>>2]+(c<<2)>>2];if((d|0)==-1){break d}f=d+((d>>>0)%3|0?-1:2)|0;if((f|0)==-1){break d}if((e|0)!=(f|0)){continue}break}}k=k+1|0;c=H[b+24>>2];if(k>>>0>2]-c>>2>>>0){continue}break}return 1}sa();v()}wa();v()}sa();v()}function ti(a){a=a|0;var b=0,c=0,d=0,e=0;c=H[a+32>>2];d=H[c+16>>2];e=H[c+12>>2];b=H[c+20>>2];if(K[c+8>>2]>d>>>0&(e|0)>=(b|0)|(b|0)<(e|0)){e=I[H[c>>2]+d|0];d=d+1|0;b=d?b:b+1|0;H[c+16>>2]=d;H[c+20>>2]=b;b=H[a+48>>2];H[a+48>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}a:{b:{c:{d:{switch(e|0){case 0:b=pa(384);H[b>>2]=11384;ra(b+4|0,0,80);H[b+96>>2]=0;H[b+100>>2]=0;H[b+92>>2]=-1;H[b+84>>2]=-1;H[b+88>>2]=-1;H[b+104>>2]=0;H[b+108>>2]=0;H[b+112>>2]=0;H[b+116>>2]=0;H[b+120>>2]=0;H[b+124>>2]=0;H[b+128>>2]=0;H[b+132>>2]=0;H[b+136>>2]=0;H[b+140>>2]=0;H[b+144>>2]=0;H[b+148>>2]=0;H[b+156>>2]=0;H[b+160>>2]=0;H[b+152>>2]=1065353216;H[b+164>>2]=0;H[b+168>>2]=0;H[b+172>>2]=0;H[b+176>>2]=0;H[b+180>>2]=0;H[b+184>>2]=0;H[b+188>>2]=0;H[b+192>>2]=0;H[b+196>>2]=0;H[b+200>>2]=0;H[b+204>>2]=0;H[b+208>>2]=0;H[b+212>>2]=-1;H[b+216>>2]=0;H[b+220>>2]=0;H[b+224>>2]=0;Ha(b+232|0);Ha(b+272|0);c=b+312|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;Ha(b+328|0);H[b+376>>2]=0;H[b+368>>2]=0;H[b+372>>2]=0;break c;case 1:b=pa(424);H[b>>2]=11436;ra(b+4|0,0,80);H[b+96>>2]=0;H[b+100>>2]=0;H[b+92>>2]=-1;H[b+84>>2]=-1;H[b+88>>2]=-1;H[b+104>>2]=0;H[b+108>>2]=0;H[b+112>>2]=0;H[b+116>>2]=0;H[b+120>>2]=0;H[b+124>>2]=0;H[b+128>>2]=0;H[b+132>>2]=0;H[b+136>>2]=0;H[b+140>>2]=0;H[b+144>>2]=0;H[b+148>>2]=0;H[b+156>>2]=0;H[b+160>>2]=0;H[b+152>>2]=1065353216;H[b+164>>2]=0;H[b+168>>2]=0;H[b+172>>2]=0;H[b+176>>2]=0;H[b+180>>2]=0;H[b+184>>2]=0;H[b+188>>2]=0;H[b+192>>2]=0;H[b+196>>2]=0;H[b+200>>2]=0;H[b+204>>2]=0;H[b+208>>2]=0;H[b+212>>2]=-1;H[b+216>>2]=0;H[b+220>>2]=0;H[b+224>>2]=0;Ha(b+232|0);Ha(b+272|0);c=b+312|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;Ha(b+328|0);H[b+392>>2]=0;H[b+396>>2]=0;H[b+384>>2]=0;H[b+388>>2]=0;H[b+376>>2]=0;H[b+380>>2]=0;H[b+368>>2]=0;H[b+372>>2]=0;c=b+400|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;H[b+416>>2]=-1;H[b+420>>2]=-1;break c;case 2:break d;default:break b}}b=pa(440);H[b>>2]=11484;ra(b+4|0,0,80);H[b+96>>2]=0;H[b+100>>2]=0;H[b+92>>2]=-1;H[b+84>>2]=-1;H[b+88>>2]=-1;H[b+104>>2]=0;H[b+108>>2]=0;H[b+112>>2]=0;H[b+116>>2]=0;H[b+120>>2]=0;H[b+124>>2]=0;H[b+128>>2]=0;H[b+132>>2]=0;H[b+136>>2]=0;H[b+140>>2]=0;H[b+144>>2]=0;H[b+148>>2]=0;H[b+156>>2]=0;H[b+160>>2]=0;H[b+152>>2]=1065353216;H[b+164>>2]=0;H[b+168>>2]=0;H[b+172>>2]=0;H[b+176>>2]=0;H[b+180>>2]=0;H[b+184>>2]=0;H[b+188>>2]=0;H[b+192>>2]=0;H[b+196>>2]=0;H[b+200>>2]=0;H[b+204>>2]=0;H[b+208>>2]=0;H[b+212>>2]=-1;H[b+216>>2]=0;H[b+220>>2]=0;H[b+224>>2]=0;Ha(b+232|0);Ha(b+272|0);c=b+312|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;Ha(b+328|0);H[b+392>>2]=0;H[b+396>>2]=0;H[b+384>>2]=0;H[b+388>>2]=0;H[b+376>>2]=0;H[b+380>>2]=0;H[b+368>>2]=0;H[b+372>>2]=0;H[b+416>>2]=0;H[b+420>>2]=0;H[b+408>>2]=2;H[b+412>>2]=7;H[b+400>>2]=-1;H[b+404>>2]=-1;H[b+424>>2]=0;H[b+428>>2]=0;H[b+432>>2]=0;H[b+436>>2]=0}c=H[a+48>>2];H[a+48>>2]=b;if(!c){break a}ea[H[H[c>>2]+4>>2]](c)}b=H[a+48>>2];if(b){break a}return 0}a=ea[H[H[b>>2]+8>>2]](b,a)|0}else{a=0}return a|0}function Lb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0;f=ca-96|0;ca=f;e=H[a+16>>2];F[f+92|0]=1;H[f+88>>2]=b;H[f+84>>2]=b;H[f+80>>2]=e;a:{if((b|0)==-1){break a}j=H[a+20>>2];d=H[j>>2];e=H[H[e>>2]+(b<<2)>>2];if(e>>>0>=H[j+4>>2]-d>>2>>>0){break a}e=H[H[a+8>>2]+(H[d+(e<<2)>>2]<<2)>>2];d=H[a+4>>2];if(!I[d+84|0]){e=H[H[d+68>>2]+(e<<2)>>2]}H[f+72>>2]=0;H[f+76>>2]=0;j=f- -64|0;H[j>>2]=0;H[j+4>>2]=0;H[f+56>>2]=0;H[f+60>>2]=0;Sa(d,e,F[d+24|0],f+56|0);e=b+1|0;j=(e>>>0)%3|0?e:b-2|0;n=((b>>>0)%3|0?-1:2)+b|0;b:{c:{while(1){d=j;e=n;d:{if(!H[a+28>>2]){break d}e=b+1|0;d=(e>>>0)%3|0?e:b-2|0;e=b-1|0;if((b>>>0)%3|0){break d}e=b+2|0}if((d|0)==-1){break b}m=H[a+20>>2];b=H[m>>2];d=H[H[H[a+16>>2]>>2]+(d<<2)>>2];if(d>>>0>=H[m+4>>2]-b>>2>>>0){break b}d=H[H[a+8>>2]+(H[(d<<2)+b>>2]<<2)>>2];b=H[a+4>>2];if(!I[b+84|0]){d=H[H[b+68>>2]+(d<<2)>>2]}H[f+48>>2]=0;H[f+52>>2]=0;H[f+40>>2]=0;H[f+44>>2]=0;H[f+32>>2]=0;H[f+36>>2]=0;Sa(b,d,F[b+24|0],f+32|0);if((e|0)==-1){break c}d=H[a+20>>2];b=H[d>>2];e=H[H[H[a+16>>2]>>2]+(e<<2)>>2];if(e>>>0>=H[d+4>>2]-b>>2>>>0){break c}d=H[H[a+8>>2]+(H[b+(e<<2)>>2]<<2)>>2];b=H[a+4>>2];if(!I[b+84|0]){d=H[H[b+68>>2]+(d<<2)>>2]}H[f+24>>2]=0;H[f+28>>2]=0;H[f+16>>2]=0;H[f+20>>2]=0;H[f+8>>2]=0;H[f+12>>2]=0;Sa(b,d,F[b+24|0],f+8|0);g=H[f+8>>2];b=H[f+56>>2];d=g-b|0;p=H[f+60>>2];t=H[f+12>>2]-(p+(b>>>0>g>>>0)|0)|0;i=H[f+40>>2];e=H[f+64>>2];m=i-e|0;u=H[f+68>>2];y=H[f+44>>2]-(u+(e>>>0>i>>>0)|0)|0;g=Rj(d,t,m,y);w=o-g|0;x=h-(da+(g>>>0>o>>>0)|0)|0;h=w;i=H[f+16>>2];g=i-e|0;u=H[f+20>>2]-((e>>>0>i>>>0)+u|0)|0;k=H[f+32>>2];i=k-b|0;w=H[f+36>>2]-((b>>>0>k>>>0)+p|0)|0;b=Rj(g,u,i,w);o=h+b|0;h=da+x|0;h=b>>>0>o>>>0?h+1|0:h;b=l;l=d;p=t;k=H[f+48>>2];e=H[f+72>>2];d=k-e|0;t=H[f+76>>2];x=H[f+52>>2]-(t+(e>>>0>k>>>0)|0)|0;l=Rj(l,p,d,x);k=b+l|0;b=da+q|0;b=k>>>0>>0?b+1|0:b;l=H[f+24>>2];p=l-e|0;e=H[f+28>>2]-((e>>>0>l>>>0)+t|0)|0;q=Rj(p,e,i,w);l=k-q|0;q=b-(da+(k>>>0>>0)|0)|0;b=Rj(g,u,d,x);d=r-b|0;b=s-(da+(b>>>0>r>>>0)|0)|0;s=Rj(p,e,m,y);r=s+d|0;b=da+b|0;s=r>>>0>>0?b+1|0:b;uc(f+80|0);b=H[f+88>>2];if((b|0)!=-1){continue}break}b=s>>31;e=b^r;d=e-b|0;b=(b^s)-((b>>>0>e>>>0)+b|0)|0;n=-1;e=2147483647;m=q>>31;g=m;i=g^l;j=i-g|0;m=(g^q)-((i>>>0>>0)+g|0)|0;i=m;k=j^-1;g=i^2147483647;m=h;e:{f:{if(!H[a+28>>2]){if((b|0)==(g|0)&d>>>0>k>>>0|b>>>0>g>>>0){break e}b=b+i|0;a=d+j|0;b=a>>>0>>0?b+1|0:b;e=a;g=h;a=g>>31;d=a;n=d^o;a=n-d|0;h=a;d=(d^g)-((d>>>0>n>>>0)+d|0)|0;a=a+e|0;d=d^2147483647;h=(d|0)==(b|0)&(h^-1)>>>0>>0|b>>>0>d>>>0;a=h?-1:a;if(!(h&0)&(a|0)<=536870912|(a|0)<536870912){break e}b=0;a=a>>>29|0;break f}g:{if((b|0)==(g|0)&d>>>0>k>>>0|b>>>0>g>>>0){break g}b=b+i|0;a=d+j|0;b=a>>>0>>0?b+1|0:b;k=h;h=h>>31;g=h;i=g^o;h=i-g|0;j=(g^k)-((g>>>0>i>>>0)+g|0)|0;g=j^2147483647;d=a;a=h;if((g|0)==(b|0)&d>>>0>(a^-1)>>>0|b>>>0>g>>>0){break g}b=b+j|0;n=a+d|0;b=n>>>0>>0?b+1|0:b;e=b;if(!b&n>>>0<536870913){break e}}b=e>>>29|0;a=(e&536870911)<<3|n>>>29}o=Sj(o,m,a,b);l=Sj(l,q,a,b);r=Sj(r,s,a,b)}H[c+8>>2]=o;H[c+4>>2]=l;H[c>>2]=r;ca=f+96|0;return}Ca();v()}Ca();v()}Ca();v()}function Wd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;a:{if((b|0)<0){break a}c=H[a+12>>2];d=H[a+8>>2];if(c-d>>2>>>0<=b>>>0){break a}d=d+(b<<2)|0;e=H[d>>2];i=H[e+60>>2];f=H[e+56>>2];e=d+4|0;if((e|0)!=(c|0)){while(1){h=H[e>>2];H[e>>2]=0;g=H[d>>2];H[d>>2]=h;if(g){Ga(g)}d=d+4|0;e=e+4|0;if((e|0)!=(c|0)){continue}break}c=H[a+12>>2]}if((c|0)!=(d|0)){while(1){c=c-4|0;e=H[c>>2];H[c>>2]=0;if(e){Ga(e)}if((c|0)!=(d|0)){continue}break}}H[a+12>>2]=d;g=H[a+4>>2];b:{if(!g|(i|0)<0){break b}c=H[g+24>>2];d=H[g+28>>2];if((c|0)==(d|0)){break b}while(1){if((i|0)==H[H[c>>2]+24>>2]){d=c+4|0;i=H[g+28>>2];if((d|0)!=(i|0)){while(1){h=H[d>>2];H[d>>2]=0;e=H[c>>2];H[c>>2]=h;if(e){Ra(e+12|0,H[e+16>>2]);Qa(e,H[e+4>>2]);oa(e)}c=c+4|0;d=d+4|0;if((i|0)!=(d|0)){continue}break}d=H[g+28>>2]}if((c|0)!=(d|0)){while(1){d=d-4|0;e=H[d>>2];H[d>>2]=0;if(e){Ra(e+12|0,H[e+16>>2]);Qa(e,H[e+4>>2]);oa(e)}if((c|0)!=(d|0)){continue}break}}H[g+28>>2]=c;break b}c=c+4|0;if((d|0)!=(c|0)){continue}break}}c:{if((f|0)>4){break c}d:{e=N(f,12)+a|0;c=H[e+20>>2];d=H[e+24>>2];if((c|0)==(d|0)){break d}while(1){if(H[c>>2]==(b|0)){break d}c=c+4|0;if((d|0)!=(c|0)){continue}break}break c}if((c|0)==(d|0)){break c}f=c;c=c+4|0;va(f,c,d-c|0);H[e+24>>2]=d-4}c=H[a+24>>2];d=H[a+20>>2];e:{if((c|0)==(d|0)){break e}e=c-d|0;c=e>>2;g=c>>>0<=1?1:c;i=g&1;c=0;if(e>>>0>=8){g=g&-2;e=0;while(1){f=c<<2;h=f+d|0;j=H[h>>2];if((j|0)>(b|0)){H[h>>2]=j-1}f=d+(f|4)|0;h=H[f>>2];if((h|0)>(b|0)){H[f>>2]=h-1}c=c+2|0;e=e+2|0;if((g|0)!=(e|0)){continue}break}}if(!i){break e}c=d+(c<<2)|0;d=H[c>>2];if((d|0)<=(b|0)){break e}H[c>>2]=d-1}c=H[a+36>>2];d=H[a+32>>2];f:{if((c|0)==(d|0)){break f}e=c-d|0;c=e>>2;g=c>>>0<=1?1:c;i=g&1;c=0;if(e>>>0>=8){g=g&-2;e=0;while(1){f=c<<2;h=f+d|0;j=H[h>>2];if((j|0)>(b|0)){H[h>>2]=j-1}f=d+(f|4)|0;h=H[f>>2];if((h|0)>(b|0)){H[f>>2]=h-1}c=c+2|0;e=e+2|0;if((g|0)!=(e|0)){continue}break}}if(!i){break f}c=d+(c<<2)|0;d=H[c>>2];if((d|0)<=(b|0)){break f}H[c>>2]=d-1}c=H[a+48>>2];d=H[a+44>>2];g:{if((c|0)==(d|0)){break g}e=c-d|0;c=e>>2;g=c>>>0<=1?1:c;i=g&1;c=0;if(e>>>0>=8){g=g&-2;e=0;while(1){f=c<<2;h=f+d|0;j=H[h>>2];if((j|0)>(b|0)){H[h>>2]=j-1}f=d+(f|4)|0;h=H[f>>2];if((h|0)>(b|0)){H[f>>2]=h-1}c=c+2|0;e=e+2|0;if((g|0)!=(e|0)){continue}break}}if(!i){break g}c=d+(c<<2)|0;d=H[c>>2];if((d|0)<=(b|0)){break g}H[c>>2]=d-1}c=H[a+60>>2];d=H[a+56>>2];h:{if((c|0)==(d|0)){break h}e=c-d|0;c=e>>2;g=c>>>0<=1?1:c;i=g&1;c=0;if(e>>>0>=8){g=g&-2;e=0;while(1){f=c<<2;h=f+d|0;j=H[h>>2];if((j|0)>(b|0)){H[h>>2]=j-1}f=d+(f|4)|0;h=H[f>>2];if((h|0)>(b|0)){H[f>>2]=h-1}c=c+2|0;e=e+2|0;if((g|0)!=(e|0)){continue}break}}if(!i){break h}c=d+(c<<2)|0;d=H[c>>2];if((d|0)<=(b|0)){break h}H[c>>2]=d-1}c=H[a+72>>2];a=H[a+68>>2];if((c|0)==(a|0)){break a}d=c-a|0;c=d>>2;e=c>>>0<=1?1:c;g=e&1;c=0;if(d>>>0>=8){d=e&-2;e=0;while(1){i=c<<2;f=i+a|0;h=H[f>>2];if((h|0)>(b|0)){H[f>>2]=h-1}i=a+(i|4)|0;f=H[i>>2];if((f|0)>(b|0)){H[i>>2]=f-1}c=c+2|0;e=e+2|0;if((d|0)!=(e|0)){continue}break}}if(!g){break a}f=b;a=a+(c<<2)|0;b=H[a>>2];if((f|0)>=(b|0)){break a}H[a>>2]=b-1}}function oa(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;a:{if(!a){break a}d=a-8|0;b=H[a-4>>2];a=b&-8;f=d+a|0;b:{if(b&1){break b}if(!(b&3)){break a}b=H[d>>2];d=d-b|0;if(d>>>0>>0<=255){e=H[d+8>>2];b=b>>>3|0;c=H[d+12>>2];if((c|0)==(e|0)){i=17192,j=H[4298]&Vj(b),H[i>>2]=j;break b}H[e+12>>2]=c;H[c+8>>2]=e;break b}h=H[d+24>>2];b=H[d+12>>2];c:{if((d|0)!=(b|0)){c=H[d+8>>2];H[c+12>>2]=b;H[b+8>>2]=c;break c}d:{e=d+20|0;c=H[e>>2];if(c){break d}e=d+16|0;c=H[e>>2];if(c){break d}b=0;break c}while(1){g=e;b=c;e=b+20|0;c=H[e>>2];if(c){continue}e=b+16|0;c=H[b+16>>2];if(c){continue}break}H[g>>2]=0}if(!h){break b}e=H[d+28>>2];c=(e<<2)+17496|0;e:{if(H[c>>2]==(d|0)){H[c>>2]=b;if(b){break e}i=17196,j=H[4299]&Vj(e),H[i>>2]=j;break b}H[h+(H[h+16>>2]==(d|0)?16:20)>>2]=b;if(!b){break b}}H[b+24>>2]=h;c=H[d+16>>2];if(c){H[b+16>>2]=c;H[c+24>>2]=b}c=H[d+20>>2];if(!c){break b}H[b+20>>2]=c;H[c+24>>2]=b;break b}b=H[f+4>>2];if((b&3)!=3){break b}H[4300]=a;H[f+4>>2]=b&-2;H[d+4>>2]=a|1;H[a+d>>2]=a;return}if(d>>>0>=f>>>0){break a}b=H[f+4>>2];if(!(b&1)){break a}f:{if(!(b&2)){if(H[4304]==(f|0)){H[4304]=d;a=H[4301]+a|0;H[4301]=a;H[d+4>>2]=a|1;if(H[4303]!=(d|0)){break a}H[4300]=0;H[4303]=0;return}if(H[4303]==(f|0)){H[4303]=d;a=H[4300]+a|0;H[4300]=a;H[d+4>>2]=a|1;H[a+d>>2]=a;return}a=(b&-8)+a|0;g:{if(b>>>0<=255){e=H[f+8>>2];b=b>>>3|0;c=H[f+12>>2];if((c|0)==(e|0)){i=17192,j=H[4298]&Vj(b),H[i>>2]=j;break g}H[e+12>>2]=c;H[c+8>>2]=e;break g}h=H[f+24>>2];b=H[f+12>>2];h:{if((f|0)!=(b|0)){c=H[f+8>>2];H[c+12>>2]=b;H[b+8>>2]=c;break h}i:{e=f+20|0;c=H[e>>2];if(c){break i}e=f+16|0;c=H[e>>2];if(c){break i}b=0;break h}while(1){g=e;b=c;e=b+20|0;c=H[e>>2];if(c){continue}e=b+16|0;c=H[b+16>>2];if(c){continue}break}H[g>>2]=0}if(!h){break g}e=H[f+28>>2];c=(e<<2)+17496|0;j:{if(H[c>>2]==(f|0)){H[c>>2]=b;if(b){break j}i=17196,j=H[4299]&Vj(e),H[i>>2]=j;break g}H[h+(H[h+16>>2]==(f|0)?16:20)>>2]=b;if(!b){break g}}H[b+24>>2]=h;c=H[f+16>>2];if(c){H[b+16>>2]=c;H[c+24>>2]=b}c=H[f+20>>2];if(!c){break g}H[b+20>>2]=c;H[c+24>>2]=b}H[d+4>>2]=a|1;H[a+d>>2]=a;if(H[4303]!=(d|0)){break f}H[4300]=a;return}H[f+4>>2]=b&-2;H[d+4>>2]=a|1;H[a+d>>2]=a}if(a>>>0<=255){b=(a&-8)+17232|0;c=H[4298];a=1<<(a>>>3);k:{if(!(c&a)){H[4298]=a|c;a=b;break k}a=H[b+8>>2]}H[b+8>>2]=d;H[a+12>>2]=d;H[d+12>>2]=b;H[d+8>>2]=a;return}e=31;if(a>>>0<=16777215){b=Q(a>>>8|0);e=((a>>>38-b&1)-(b<<1)|0)+62|0}H[d+28>>2]=e;H[d+16>>2]=0;H[d+20>>2]=0;g=(e<<2)+17496|0;l:{m:{c=H[4299];b=1<>2]=d;H[d+24>>2]=g;break n}e=a<<((e|0)!=31?25-(e>>>1|0)|0:0);b=H[g>>2];while(1){c=b;if((H[b+4>>2]&-8)==(a|0)){break m}b=e>>>29|0;e=e<<1;g=c+(b&4)|0;b=H[g+16>>2];if(b){continue}break}H[g+16>>2]=d;H[d+24>>2]=c}H[d+12>>2]=d;H[d+8>>2]=d;break l}a=H[c+8>>2];H[a+12>>2]=d;H[c+8>>2]=d;H[d+24>>2]=0;H[d+12>>2]=c;H[d+8>>2]=a}a=H[4306]-1|0;H[4306]=a?a:-1}}function tj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;H[a+8>>2]=e;n=a+32|0;h=H[n>>2];f=H[a+36>>2]-h>>2;a:{if(f>>>0>>0){ya(n,e-f|0);d=H[a+8>>2];break a}d=e;if(d>>>0>=f>>>0){break a}H[a+36>>2]=h+(e<<2);d=e}s=H[a+52>>2];p=H[a+48>>2];f=0;h=e>>>0>1073741823?-1:e<<2;m=ra(pa(h),0,h);b:{if((d|0)<=0){break b}g=H[a+32>>2];while(1){d=f<<2;h=H[d+m>>2];j=H[a+16>>2];c:{if((h|0)>(j|0)){H[d+g>>2]=j;break c}d=d+g|0;j=H[a+12>>2];if((j|0)>(h|0)){H[d>>2]=j;break c}H[d>>2]=h}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}if((d|0)<=0){break b}f=0;while(1){h=f<<2;d=h+c|0;h=H[b+h>>2]+H[g+h>>2]|0;H[d>>2]=h;d:{if((h|0)>H[a+16>>2]){i=h-H[a+20>>2]|0}else{if((h|0)>=H[a+12>>2]){break d}i=h+H[a+20>>2]|0}H[d>>2]=i}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}f=H[a+56>>2];q=H[f>>2];f=H[f+4>>2]-q|0;if((f|0)>=5){o=f>>>2|0;t=o>>>0<=2?2:o;u=e&-2;w=e&1;h=1;while(1){e:{f:{if((h|0)!=(o|0)){r=N(e,h);f=H[(h<<2)+q>>2];if((f|0)==-1){break f}f=H[H[p+12>>2]+(f<<2)>>2];if((f|0)==-1){break f}j=H[s>>2];g=H[p>>2];k=H[j+(H[g+(f<<2)>>2]<<2)>>2];i=f+1|0;i=(i>>>0)%3|0?i:f-2|0;if((i|0)!=-1){i=H[g+(i<<2)>>2]}else{i=-1}g:{h:{if((f>>>0)%3|0){f=f-1|0;break h}f=f+2|0;l=-1;if((f|0)==-1){break g}}l=H[g+(f<<2)>>2]}if((h|0)<=(k|0)){break f}f=H[(i<<2)+j>>2];if((f|0)>=(h|0)){break f}g=H[j+(l<<2)>>2];if((g|0)>=(h|0)){break f}i:{if((e|0)<=0){break i}g=N(e,g);j=N(e,f);k=N(e,k);f=0;l=0;if((e|0)!=1){while(1){H[(f<<2)+m>>2]=(H[(f+g<<2)+c>>2]+H[(f+j<<2)+c>>2]|0)-H[(f+k<<2)+c>>2];i=f|1;H[(i<<2)+m>>2]=(H[(g+i<<2)+c>>2]+H[(j+i<<2)+c>>2]|0)-H[(i+k<<2)+c>>2];f=f+2|0;l=l+2|0;if((u|0)!=(l|0)){continue}break}}if(!w){break i}H[(f<<2)+m>>2]=(H[(f+g<<2)+c>>2]+H[(f+j<<2)+c>>2]|0)-H[(f+k<<2)+c>>2]}if((d|0)<=0){break e}j=H[n>>2];f=0;while(1){d=f<<2;g=H[d+m>>2];k=H[a+16>>2];j:{if((g|0)>(k|0)){H[d+j>>2]=k;break j}d=d+j|0;k=H[a+12>>2];if((k|0)>(g|0)){H[d>>2]=k;break j}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}f=0;if((d|0)<=0){break e}d=r<<2;k=d+c|0;i=b+d|0;while(1){g=f<<2;d=g+k|0;g=H[g+i>>2]+H[g+j>>2]|0;H[d>>2]=g;k:{if((g|0)>H[a+16>>2]){l=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break k}l=g+H[a+20>>2]|0}H[d>>2]=l}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}break e}Ca();v()}if((d|0)<=0){break e}k=(N(h-1|0,e)<<2)+c|0;j=H[n>>2];f=0;while(1){d=f<<2;g=H[d+k>>2];i=H[a+16>>2];l:{if((g|0)>(i|0)){H[d+j>>2]=i;break l}d=d+j|0;i=H[a+12>>2];if((i|0)>(g|0)){H[d>>2]=i;break l}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}f=0;if((d|0)<=0){break e}d=r<<2;k=d+c|0;i=b+d|0;while(1){g=f<<2;d=g+k|0;g=H[g+i>>2]+H[g+j>>2]|0;H[d>>2]=g;m:{if((g|0)>H[a+16>>2]){l=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break m}l=g+H[a+20>>2]|0}H[d>>2]=l}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}h=h+1|0;if((t|0)!=(h|0)){continue}break}}oa(m);return 1}function we(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;if((b|0)==-1){return 1}g=(b>>>0)/3|0;if(!(H[H[a+24>>2]+(g>>>3&268435452)>>2]>>>g&1)){e=H[a+48>>2];H[a+52>>2]=e;a:{if((e|0)!=H[a+56>>2]){H[e>>2]=b;H[a+52>>2]=e+4;break a}d=pa(4);H[d>>2]=b;c=d+4|0;H[a+56>>2]=c;H[a+52>>2]=c;H[a+48>>2]=d;if(!e){break a}oa(e)}c=b+1|0;i=(c>>>0)%3|0?c:b-2|0;c=H[H[a+4>>2]+28>>2];k=H[(i<<2)+c>>2];if((k|0)==-1){return 0}e=(b-N(g,3)|0?-1:2)+b|0;j=H[c+(e<<2)>>2];if((j|0)==-1){return 0}b=H[a+36>>2];g=b+(k>>>3&536870908)|0;d=H[g>>2];c=1<>2]=c|d;Ua(a+8|0,k,i);b=H[a+36>>2]}d=(j>>>3&536870908)+b|0;c=H[d>>2];b=1<>2]=b|c;Ua(a+8|0,j,e)}f=H[a+52>>2];if((f|0)==H[a+48>>2]){return 1}k=a+8|0;while(1){b:{c:{f=f-4|0;b=H[f>>2];if((b|0)==-1){break c}c=(b>>>0)/3|0;g=H[a+24>>2]+(c>>>3&268435452)|0;d=H[g>>2];c=1<>2]=c|d;h=H[a+4>>2];c=H[H[h+28>>2]+(b<<2)>>2];if((c|0)==-1){return 0}while(1){d=b;d:{e:{j=H[a+36>>2]+(c>>>3&536870908)|0;i=H[j>>2];e=1<>2]+(c<<2)>>2];g:{if((g|0)==-1){break g}b=g+1|0;b=(b>>>0)%3|0?b:g-2|0;if((b|0)==-1|H[H[h>>2]+(b>>>3&536870908)>>2]>>>b&1){break g}g=H[H[H[h+64>>2]+12>>2]+(b<<2)>>2];if((g|0)!=-1){break f}}H[j>>2]=e|i;Ua(k,c,d);h=H[a+4>>2];break e}H[j>>2]=e|i;Ua(k,c,d);h=H[a+4>>2];b=g+1|0;if((((b>>>0)%3|0?b:g-2|0)|0)==-1){break e}b=-1;h:{if((d|0)==-1){break h}c=d+1|0;c=(c>>>0)%3|0?c:d-2|0;if((c|0)==-1|H[H[h>>2]+(c>>>3&536870908)>>2]>>>c&1){break h}b=H[H[H[h+64>>2]+12>>2]+(c<<2)>>2]}c=(b>>>0)/3|0;d=1<>2];e=c>>>5|0;j=H[f+(e<<2)>>2];break d}i:{j:{if((d|0)==-1){break j}c=-1;b=d+1|0;b=(b>>>0)%3|0?b:d-2|0;if(!((b|0)==-1|H[H[h>>2]+(b>>>3&536870908)>>2]>>>b&1)){c=H[H[H[h+64>>2]+12>>2]+(b<<2)>>2]}k:{l:{if((d>>>0)%3|0){f=d-1|0;break l}f=d+2|0;b=-1;if((f|0)==-1){break k}}b=-1;if(H[H[h>>2]+(f>>>3&536870908)>>2]>>>f&1){break k}b=H[H[H[h+64>>2]+12>>2]+(f<<2)>>2]}g=(b|0)==-1;i=g?-1:(b>>>0)/3|0;if((c|0)!=-1){f=H[a+24>>2];d=(c>>>0)/3|0;e=d>>>5|0;j=H[f+(e<<2)>>2];d=1<>2];e=i>>>5|0;j=H[f+(e<<2)>>2];if(!(d&j)){break d}}f=H[a+52>>2]-4|0;H[a+52>>2]=f;break b}if(g){b=c;break d}if(H[(i>>>3&536870908)+f>>2]>>>i&1){b=c;break d}h=H[a+52>>2];H[h-4>>2]=b;if(H[a+56>>2]!=(h|0)){H[h>>2]=c;f=h+4|0;break c}m:{i=H[a+48>>2];e=h-i|0;g=e>>2;d=g+1|0;if(d>>>0<1073741824){b=e>>>1|0;e=e>>>0>=2147483644?1073741823:b>>>0>d>>>0?b:d;if(e){if(e>>>0>=1073741824){break m}d=pa(e<<2)}else{d=0}b=d+(g<<2)|0;H[b>>2]=c;f=b+4|0;if((h|0)!=(i|0)){while(1){b=b-4|0;h=h-4|0;H[b>>2]=H[h>>2];if((h|0)!=(i|0)){continue}break}}H[a+56>>2]=d+(e<<2);H[a+52>>2]=f;H[a+48>>2]=b;if(!i){break b}oa(i);f=H[a+52>>2];break b}sa();v()}wa();v()}H[(e<<2)+f>>2]=d|j;c=H[H[h+28>>2]+(b<<2)>>2];if((c|0)!=-1){continue}break}return 0}H[a+52>>2]=f}if(H[a+48>>2]!=(f|0)){continue}break}}return 1}function Lj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;H[a+8>>2]=e;m=a+32|0;h=H[m>>2];f=H[a+36>>2]-h>>2;a:{if(f>>>0>>0){ya(m,e-f|0);d=H[a+8>>2];break a}d=e;if(d>>>0>=f>>>0){break a}H[a+36>>2]=h+(e<<2);d=e}s=H[a+52>>2];n=H[a+48>>2];f=0;h=e>>>0>1073741823?-1:e<<2;l=ra(pa(h),0,h);b:{if((d|0)<=0){break b}g=H[a+32>>2];while(1){d=f<<2;h=H[d+l>>2];i=H[a+16>>2];c:{if((h|0)>(i|0)){H[d+g>>2]=i;break c}d=d+g|0;i=H[a+12>>2];if((i|0)>(h|0)){H[d>>2]=i;break c}H[d>>2]=h}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}if((d|0)<=0){break b}f=0;while(1){h=f<<2;d=h+c|0;h=H[b+h>>2]+H[g+h>>2]|0;H[d>>2]=h;d:{if((h|0)>H[a+16>>2]){h=h-H[a+20>>2]|0}else{if((h|0)>=H[a+12>>2]){break d}h=h+H[a+20>>2]|0}H[d>>2]=h}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}f=H[a+56>>2];q=H[f>>2];f=H[f+4>>2]-q|0;if((f|0)>=5){o=f>>>2|0;t=o>>>0<=2?2:o;u=e&-2;w=e&1;h=1;while(1){e:{f:{if((h|0)!=(o|0)){r=N(e,h);f=H[(h<<2)+q>>2];if((f|0)==-1|H[H[n>>2]+(f>>>3&536870908)>>2]>>>f&1){break f}f=H[H[H[n+64>>2]+12>>2]+(f<<2)>>2];if((f|0)==-1){break f}i=H[s>>2];g=H[n+28>>2];k=H[i+(H[g+(f<<2)>>2]<<2)>>2];if((k|0)>=(h|0)){break f}j=f+1|0;j=H[i+(H[g+(((j>>>0)%3|0?j:f-2|0)<<2)>>2]<<2)>>2];if((j|0)>=(h|0)){break f}f=H[i+(H[g+(f+((f>>>0)%3|0?-1:2)<<2)>>2]<<2)>>2];if((f|0)>=(h|0)){break f}g:{if((e|0)<=0){break g}g=N(e,f);i=N(e,j);k=N(e,k);f=0;p=0;if((e|0)!=1){while(1){H[(f<<2)+l>>2]=(H[(f+g<<2)+c>>2]+H[(f+i<<2)+c>>2]|0)-H[(f+k<<2)+c>>2];j=f|1;H[(j<<2)+l>>2]=(H[(g+j<<2)+c>>2]+H[(i+j<<2)+c>>2]|0)-H[(k+j<<2)+c>>2];f=f+2|0;p=p+2|0;if((u|0)!=(p|0)){continue}break}}if(!w){break g}H[(f<<2)+l>>2]=(H[(f+g<<2)+c>>2]+H[(f+i<<2)+c>>2]|0)-H[(f+k<<2)+c>>2]}if((d|0)<=0){break e}i=H[m>>2];f=0;while(1){d=f<<2;g=H[d+l>>2];k=H[a+16>>2];h:{if((g|0)>(k|0)){H[d+i>>2]=k;break h}d=d+i|0;k=H[a+12>>2];if((k|0)>(g|0)){H[d>>2]=k;break h}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}f=0;if((d|0)<=0){break e}d=r<<2;k=d+c|0;j=b+d|0;while(1){g=f<<2;d=g+k|0;g=H[g+j>>2]+H[g+i>>2]|0;H[d>>2]=g;i:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break i}g=g+H[a+20>>2]|0}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}break e}Ca();v()}if((d|0)<=0){break e}k=(N(h-1|0,e)<<2)+c|0;i=H[m>>2];f=0;while(1){d=f<<2;g=H[d+k>>2];j=H[a+16>>2];j:{if((g|0)>(j|0)){H[d+i>>2]=j;break j}d=d+i|0;j=H[a+12>>2];if((j|0)>(g|0)){H[d>>2]=j;break j}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}f=0;if((d|0)<=0){break e}d=r<<2;k=d+c|0;j=b+d|0;while(1){g=f<<2;d=g+k|0;g=H[g+j>>2]+H[g+i>>2]|0;H[d>>2]=g;k:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break k}g=g+H[a+20>>2]|0}H[d>>2]=g}d=H[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}h=h+1|0;if((t|0)!=(h|0)){continue}break}}oa(l);return 1}function Gb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=O(0),k=0,l=0,m=O(0);i=H[c>>2];a:{b:{f=H[b+4>>2];if(!f){break b}g=Uj(f);c:{if(g>>>0>=2){e=i;if(f>>>0<=e>>>0){e=(i>>>0)%(f>>>0)|0}c=H[H[b>>2]+(e<<2)>>2];if(!c){break b}if(g>>>0<=1){break c}while(1){c=H[c>>2];if(!c){break b}g=H[c+4>>2];if((g|0)!=(i|0)){if(f>>>0<=g>>>0){g=(g>>>0)%(f>>>0)|0}if((e|0)!=(g|0)){break b}}if(H[c+8>>2]!=(i|0)){continue}break}b=0;break a}e=f-1&i;c=H[H[b>>2]+(e<<2)>>2];if(!c){break b}}h=f-1|0;while(1){c=H[c>>2];if(!c){break b}g=H[c+4>>2];if((g|0)!=(i|0)&(g&h)!=(e|0)){break b}if(H[c+8>>2]!=(i|0)){continue}break}b=0;break a}c=pa(16);d=H[H[d>>2]>>2];H[c+12>>2]=0;H[c+8>>2]=d;H[c+4>>2]=i;H[c>>2]=0;m=O(H[b+12>>2]+1>>>0);j=L[b+16>>2];d:{if(m>O(j*O(f>>>0))?0:f){break d}e=2;d=(f-1&f)!=0|f>>>0<3|f<<1;j=O(U(O(m/j)));e:{if(j=O(0)){g=~~j>>>0;break e}g=0}d=d>>>0>g>>>0?d:g;f:{if((d|0)==1){break f}if(!(d&d-1)){e=d;break f}e=Kd(d);f=H[b+4>>2]}g:{if(e>>>0<=f>>>0){if(e>>>0>=f>>>0){break g}g=f>>>0<3;j=O(U(O(O(K[b+12>>2])/L[b+16>>2])));h:{if(j=O(0)){d=~~j>>>0;break h}d=0}i:{j:{if(g){break j}if(Uj(f)>>>0>1){break j}d=d>>>0<2?d:1<<32-Q(d-1|0);break i}d=Kd(d)}e=d>>>0>>0?e:d;if(f>>>0<=e>>>0){break g}}f=0;g=0;h=e;k:{l:{m:{n:{if(e){if(h>>>0>=1073741824){break n}d=pa(h<<2);e=H[b>>2];H[b>>2]=d;if(e){oa(e)}H[b+4>>2]=h;d=0;if(h>>>0>=4){e=h&-4;while(1){k=d<<2;H[k+H[b>>2]>>2]=0;H[H[b>>2]+(k|4)>>2]=0;H[H[b>>2]+(k|8)>>2]=0;H[H[b>>2]+(k|12)>>2]=0;d=d+4|0;g=g+4|0;if((e|0)!=(g|0)){continue}break}}e=h&3;if(e){while(1){H[H[b>>2]+(d<<2)>>2]=0;d=d+1|0;f=f+1|0;if((e|0)!=(f|0)){continue}break}}e=H[b+8>>2];if(!e){break k}d=b+8|0;f=H[e+4>>2];g=Uj(h);if(g>>>0<2){break m}f=f>>>0>=h>>>0?(f>>>0)%(h>>>0)|0:f;H[H[b>>2]+(f<<2)>>2]=d;d=H[e>>2];if(!d){break k}if(g>>>0<=1){break l}while(1){g=H[d+4>>2];if(h>>>0<=g>>>0){g=(g>>>0)%(h>>>0)|0}o:{if((f|0)==(g|0)){e=d;break o}l=g<<2;k=l+H[b>>2]|0;if(!H[k>>2]){H[k>>2]=e;e=d;f=g;break o}H[e>>2]=H[d>>2];H[d>>2]=H[H[l+H[b>>2]>>2]>>2];H[H[l+H[b>>2]>>2]>>2]=d}d=H[e>>2];if(d){continue}break}break k}d=H[b>>2];H[b>>2]=0;if(d){oa(d)}H[b+4>>2]=0;break k}wa();v()}f=h-1&f;H[H[b>>2]+(f<<2)>>2]=d;d=H[e>>2];if(!d){break k}}k=h-1|0;while(1){g=k&H[d+4>>2];p:{if((g|0)==(f|0)){e=d;break p}l=g<<2;h=l+H[b>>2]|0;if(H[h>>2]){H[e>>2]=H[d>>2];H[d>>2]=H[H[l+H[b>>2]>>2]>>2];H[H[l+H[b>>2]>>2]>>2]=d;break p}H[h>>2]=e;e=d;f=g}d=H[e>>2];if(d){continue}break}}}f=H[b+4>>2];d=f-1|0;if(!(d&f)){e=d&i;break d}if(f>>>0>i>>>0){e=i;break d}e=(i>>>0)%(f>>>0)|0}e=H[b>>2]+(e<<2)|0;d=H[e>>2];q:{r:{if(!d){d=b+8|0;H[c>>2]=H[d>>2];H[b+8>>2]=c;H[e>>2]=d;d=H[c>>2];if(!d){break q}d=H[d+4>>2];e=f-1|0;s:{if(!(e&f)){d=d&e;break s}if(d>>>0>>0){break s}d=(d>>>0)%(f>>>0)|0}d=H[b>>2]+(d<<2)|0;break r}H[c>>2]=H[d>>2]}H[d>>2]=c}H[b+12>>2]=H[b+12>>2]+1;b=1}F[a+4|0]=b;H[a>>2]=c}function Oe(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0;f=ca-80|0;ca=f;e=H[c+36>>2];H[f+72>>2]=H[c+32>>2];H[f+76>>2]=e;g=H[c+28>>2];e=f- -64|0;H[e>>2]=H[c+24>>2];H[e+4>>2]=g;e=H[c+20>>2];H[f+56>>2]=H[c+16>>2];H[f+60>>2]=e;e=H[c+12>>2];H[f+48>>2]=H[c+8>>2];H[f+52>>2]=e;e=H[c+4>>2];H[f+40>>2]=H[c>>2];H[f+44>>2]=e;nc(a,f+40|0,f+24|0);a:{if(H[a>>2]){break a}if(F[a+15|0]<0){oa(H[a+4>>2])}if(I[f+31|0]!=1){b=pa(32);F[b+20|0]=0;c=I[1448]|I[1449]<<8|(I[1450]<<16|I[1451]<<24);F[b+16|0]=c;F[b+17|0]=c>>>8;F[b+18|0]=c>>>16;F[b+19|0]=c>>>24;c=I[1444]|I[1445]<<8|(I[1446]<<16|I[1447]<<24);d=I[1440]|I[1441]<<8|(I[1442]<<16|I[1443]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=c;F[b+13|0]=c>>>8;F[b+14|0]=c>>>16;F[b+15|0]=c>>>24;c=I[1436]|I[1437]<<8|(I[1438]<<16|I[1439]<<24);d=I[1432]|I[1433]<<8|(I[1434]<<16|I[1435]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=c;F[b+5|0]=c>>>8;F[b+6|0]=c>>>16;F[b+7|0]=c>>>24;H[a>>2]=-1;za(a+4|0,b,20);oa(b);break a}i=ca-16|0;ca=i;b:{c:{switch(I[f+32|0]){case 0:e=Ke(pa(48));H[e>>2]=13112;H[f+8>>2]=0;H[f+12>>2]=0;H[f>>2]=0;H[f+4>>2]=0;H[f+16>>2]=e;break b;case 1:e=Ke(pa(52));H[e+48>>2]=0;H[e>>2]=11276;H[f+8>>2]=0;H[f+12>>2]=0;H[f>>2]=0;H[f+4>>2]=0;H[f+16>>2]=e;break b;default:break c}}g=pa(32);F[g+28|0]=0;e=I[1550]|I[1551]<<8|(I[1552]<<16|I[1553]<<24);F[g+24|0]=e;F[g+25|0]=e>>>8;F[g+26|0]=e>>>16;F[g+27|0]=e>>>24;e=I[1546]|I[1547]<<8|(I[1548]<<16|I[1549]<<24);h=I[1542]|I[1543]<<8|(I[1544]<<16|I[1545]<<24);F[g+16|0]=h;F[g+17|0]=h>>>8;F[g+18|0]=h>>>16;F[g+19|0]=h>>>24;F[g+20|0]=e;F[g+21|0]=e>>>8;F[g+22|0]=e>>>16;F[g+23|0]=e>>>24;e=I[1538]|I[1539]<<8|(I[1540]<<16|I[1541]<<24);h=I[1534]|I[1535]<<8|(I[1536]<<16|I[1537]<<24);F[g+8|0]=h;F[g+9|0]=h>>>8;F[g+10|0]=h>>>16;F[g+11|0]=h>>>24;F[g+12|0]=e;F[g+13|0]=e>>>8;F[g+14|0]=e>>>16;F[g+15|0]=e>>>24;e=I[1530]|I[1531]<<8|(I[1532]<<16|I[1533]<<24);h=I[1526]|I[1527]<<8|(I[1528]<<16|I[1529]<<24);F[g|0]=h;F[g+1|0]=h>>>8;F[g+2|0]=h>>>16;F[g+3|0]=h>>>24;F[g+4|0]=e;F[g+5|0]=e>>>8;F[g+6|0]=e>>>16;F[g+7|0]=e>>>24;H[i>>2]=-1;e=i|4;za(e,g,28);j=F[i+15|0];H[f>>2]=H[i>>2];h=f+4|0;d:{if((j|0)>=0){j=H[e+4>>2];H[h>>2]=H[e>>2];H[h+4>>2]=j;H[h+8>>2]=H[e+8>>2];H[f+16>>2]=0;break d}za(h,H[i+4>>2],H[i+8>>2]);e=F[i+15|0];H[f+16>>2]=0;if((e|0)>=0){break d}oa(H[i+4>>2])}oa(g)}ca=i+16|0;e=H[f>>2];e:{if(e){H[a>>2]=e;a=a+4|0;if(F[f+15|0]>=0){b=f|4;c=H[b+4>>2];H[a>>2]=H[b>>2];H[a+4>>2]=c;H[a+8>>2]=H[b+8>>2];break e}za(a,H[f+4>>2],H[f+8>>2]);break e}e=H[f+16>>2];H[f+16>>2]=0;H[e+44>>2]=d;te(a,e,b,c,d);if(!H[a>>2]){if(F[a+15|0]<0){oa(H[a+4>>2])}H[a>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a+12>>2]=0}ea[H[H[e>>2]+4>>2]](e)}a=H[f+16>>2];H[f+16>>2]=0;if(a){ea[H[H[a>>2]+4>>2]](a)}if(F[f+15|0]>=0){break a}oa(H[f+4>>2])}ca=f+80|0}function Gc(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;j=N(b,12)+a|0;H[j+12>>2]=H[j+8>>2];m=(c|0)==-1?-1:(c>>>0)/3|0;d=1;k=c;a:{b:{c:{while(1){d:{l=d;if(!d){if((k|0)==-1){break d}if((de(a,((k>>>0)%3|0?-1:2)+k|0)|0)==-1){break a}c=k+1|0;d=(c>>>0)%3|0?c:k-2|0;if((d|0)==-1){break a}c=d+1|0;c=(c>>>0)%3|0?c:d-2|0;if((c|0)==-1){break a}d=H[H[H[a+4>>2]+12>>2]+(c<<2)>>2];if((d|0)==-1){break a}c=d+1|0;c=(c>>>0)%3|0?c:d-2|0;if((c|0)==-1){break a}m=(c>>>0)/3|0}e:{d=H[a+56>>2]+(m>>>3&536870908)|0;h=H[d>>2];e=1<>2]=e|h;d=H[j+12>>2];f:{if((d|0)!=H[j+16>>2]){H[d>>2]=m;H[j+12>>2]=d+4;break f}n=H[j+8>>2];h=d-n|0;e=h>>2;i=e+1|0;if(i>>>0>=1073741824){break c}g=h>>>1|0;i=h>>>0>=2147483644?1073741823:i>>>0>>0?g:i;if(i){if(i>>>0>=1073741824){break b}g=pa(i<<2)}else{g=0}h=g+(e<<2)|0;H[h>>2]=m;e=h+4|0;if((d|0)!=(n|0)){while(1){h=h-4|0;d=d-4|0;H[h>>2]=H[d>>2];if((d|0)!=(n|0)){continue}break}}H[j+8>>2]=h;H[j+12>>2]=e;H[j+16>>2]=g+(i<<2);if(!n){break f}oa(n)}g=f+1|0;g:{h:{i:{if(!f){break i}if(g&1){if((c|0)==-1){c=-1;break g}d=c+1|0;c=(d>>>0)%3|0?d:c-2|0;break i}k=l?k:c;if((c|0)==-1){c=-1;break g}if((c>>>0)%3|0){d=c-1|0;break h}c=c+2|0}d=c;c=-1;if((d|0)==-1){break g}}c=H[H[H[a+4>>2]+12>>2]+(d<<2)>>2];h=-1;f=-1;e=d+1|0;e=(e>>>0)%3|0?e:d-2|0;if((e|0)>=0){f=(e>>>0)/3|0;f=H[(H[H[a>>2]+96>>2]+N(f,12)|0)+(e-N(f,3)<<2)>>2]}j:{if((c|0)==-1){break j}i=((c>>>0)%3|0?-1:2)+c|0;if((i|0)<0){break j}e=(i>>>0)/3|0;h=H[(H[H[a>>2]+96>>2]+N(e,12)|0)+(i-N(e,3)<<2)>>2]}if((f|0)!=(h|0)){c=-1;break g}k:{l:{f=((d>>>0)%3|0?-1:2)+d|0;if((f|0)>=0){d=(f>>>0)/3|0;if((c|0)!=-1){break l}c=-1;break g}d=-1;if((c|0)!=-1){break k}c=-1;break g}d=H[(H[H[a>>2]+96>>2]+N(d,12)|0)+(f-N(d,3)<<2)>>2]}f=c+1|0;e=(f>>>0)%3|0?f:c-2|0;if((e|0)>=0){f=(e>>>0)/3|0;f=H[(H[H[a>>2]+96>>2]+N(f,12)|0)+(e-N(f,3)<<2)>>2]}else{f=-1}if((f|0)!=(d|0)){c=-1;break g}f=g;m=(c>>>0)/3|0;d=H[a+56>>2]+(m>>>3&268435452)|0;h=H[d>>2];e=1<>2]-4|0;g=H[l>>2];d=H[a+56>>2]+(g>>>3&536870908)|0;c=H[d>>2];o=d,p=Vj(g)&c,H[o>>2]=p;H[j+12>>2]=l;break a}d=0;if(l){continue}break a}break}k=-1;de(a,-1);break a}sa();v()}wa();v()}H[((b<<2)+a|0)+44>>2]=k;b=H[j+12>>2];i=H[j+8>>2];m:{if((b|0)==(i|0)){break m}c=b-i|0;b=c>>2;b=b>>>0<=1?1:b;k=b&1;e=H[a+56>>2];d=0;if(c>>>0>=8){f=b&-2;c=0;while(1){l=d<<2;g=H[l+i>>2];b=e+(g>>>3&536870908)|0;a=H[b>>2];o=b,p=Vj(g)&a,H[o>>2]=p;g=H[i+(l|4)>>2];b=e+(g>>>3&536870908)|0;a=H[b>>2];o=b,p=Vj(g)&a,H[o>>2]=p;d=d+2|0;c=c+2|0;if((f|0)!=(c|0)){continue}break}}if(!k){break m}c=H[i+(d<<2)>>2];b=e+(c>>>3&536870908)|0;a=H[b>>2];o=b,p=Vj(c)&a,H[o>>2]=p}}function Gj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=ca-32|0;ca=h;a:{if(J[b+38>>1]<=513){c=H[b+20>>2];f=H[b+12>>2];d=H[b+16>>2];if((c|0)>=(f|0)&d>>>0>=K[b+8>>2]|(c|0)>(f|0)){break a}f=I[d+H[b>>2]|0];d=d+1|0;c=d?c:c+1|0;H[b+16>>2]=d;H[b+20>>2]=c;if(f){break a}}b:{if(!Xa(1,h+28|0,b)){break b}d=H[h+28>>2];c=H[H[a+48>>2]+64>>2];if(d>>>0>H[c+4>>2]-H[c>>2]>>2>>>0){break b}c:{if(d){Wa(a+60|0,d);c=h+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;if(!ta(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|H[g>>2]}else{i=H[g>>2]&(f^-1)}H[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Xa(1,h+28|0,b)){break b}d=H[h+28>>2];c=H[H[a+48>>2]+64>>2];if(d>>>0>H[c+4>>2]-H[c>>2]>>2>>>0){break b}if(d){e=0;Wa(a+72|0,d);c=h+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;if(!ta(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|H[g>>2]}else{i=H[g>>2]&(f^-1)}H[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Xa(1,h+28|0,b)){break b}d=H[h+28>>2];c=H[H[a+48>>2]+64>>2];if(d>>>0>H[c+4>>2]-H[c>>2]>>2>>>0){break b}if(d){e=0;Wa(a+84|0,d);c=h+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;if(!ta(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|H[g>>2]}else{i=H[g>>2]&(f^-1)}H[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Xa(1,h+28|0,b)){break b}d=H[h+28>>2];c=H[H[a+48>>2]+64>>2];if(d>>>0>H[c+4>>2]-H[c>>2]>>2>>>0){break b}if(d){e=0;Wa(a+96|0,d);c=h+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;if(!ta(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|H[g>>2]}else{i=H[g>>2]&(f^-1)}H[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}e=0;c=H[b+8>>2];f=H[b+12>>2];d=c;c=H[b+20>>2];i=c;g=H[b+16>>2];j=g+4|0;c=j>>>0<4?c+1|0:c;if(d>>>0>>0&(c|0)>=(f|0)|(c|0)>(f|0)){break a}m=H[b>>2];k=m+g|0;l=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);H[b+16>>2]=j;H[b+20>>2]=c;k=d;d=f;c=i;f=g+8|0;c=f>>>0<8?c+1|0:c;if(f>>>0>k>>>0&(c|0)>=(d|0)|(c|0)>(d|0)){break a}d=j+m|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=f;H[b+20>>2]=c;if((d|0)<(l|0)){break a}H[a+16>>2]=d;H[a+12>>2]=l;c=(d>>31)-((l>>31)+(d>>>0>>0)|0)|0;b=d-l|0;if(!c&b>>>0>2147483646|c){break a}e=1;b=b+1|0;H[a+20>>2]=b;c=b>>>1|0;H[a+24>>2]=c;H[a+28>>2]=0-c;if(b&1){break a}H[a+24>>2]=c-1;break a}}e=0}ca=h+32|0;return e|0}function pj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=ca-32|0;ca=h;a:{if(J[b+38>>1]<=513){c=H[b+20>>2];f=H[b+12>>2];d=H[b+16>>2];if((c|0)>=(f|0)&d>>>0>=K[b+8>>2]|(c|0)>(f|0)){break a}f=I[d+H[b>>2]|0];d=d+1|0;c=d?c:c+1|0;H[b+16>>2]=d;H[b+20>>2]=c;if(f){break a}}b:{if(!Xa(1,h+28|0,b)){break b}d=H[h+28>>2];c=H[a+48>>2];if(d>>>0>H[c+4>>2]-H[c>>2]>>2>>>0){break b}c:{if(d){Wa(a+60|0,d);c=h+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;if(!ta(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|H[g>>2]}else{i=H[g>>2]&(f^-1)}H[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Xa(1,h+28|0,b)){break b}d=H[h+28>>2];c=H[a+48>>2];if(d>>>0>H[c+4>>2]-H[c>>2]>>2>>>0){break b}if(d){e=0;Wa(a+72|0,d);c=h+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;if(!ta(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|H[g>>2]}else{i=H[g>>2]&(f^-1)}H[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Xa(1,h+28|0,b)){break b}d=H[h+28>>2];c=H[a+48>>2];if(d>>>0>H[c+4>>2]-H[c>>2]>>2>>>0){break b}if(d){e=0;Wa(a+84|0,d);c=h+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;if(!ta(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|H[g>>2]}else{i=H[g>>2]&(f^-1)}H[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Xa(1,h+28|0,b)){break b}d=H[h+28>>2];c=H[a+48>>2];if(d>>>0>H[c+4>>2]-H[c>>2]>>2>>>0){break b}if(d){e=0;Wa(a+96|0,d);c=h+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;if(!ta(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|H[g>>2]}else{i=H[g>>2]&(f^-1)}H[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}e=0;c=H[b+8>>2];f=H[b+12>>2];d=c;c=H[b+20>>2];i=c;g=H[b+16>>2];j=g+4|0;c=j>>>0<4?c+1|0:c;if(d>>>0>>0&(c|0)>=(f|0)|(c|0)>(f|0)){break a}m=H[b>>2];k=m+g|0;l=I[k|0]|I[k+1|0]<<8|(I[k+2|0]<<16|I[k+3|0]<<24);H[b+16>>2]=j;H[b+20>>2]=c;k=d;d=f;c=i;f=g+8|0;c=f>>>0<8?c+1|0:c;if(f>>>0>k>>>0&(c|0)>=(d|0)|(c|0)>(d|0)){break a}d=j+m|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=f;H[b+20>>2]=c;if((d|0)<(l|0)){break a}H[a+16>>2]=d;H[a+12>>2]=l;c=(d>>31)-((l>>31)+(d>>>0>>0)|0)|0;b=d-l|0;if(!c&b>>>0>2147483646|c){break a}e=1;b=b+1|0;H[a+20>>2]=b;c=b>>>1|0;H[a+24>>2]=c;H[a+28>>2]=0-c;if(b&1){break a}H[a+24>>2]=c-1;break a}}e=0}ca=h+32|0;return e|0}function xe(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;if((b|0)==-1){return 1}g=(b>>>0)/3|0;if(!(H[H[a+24>>2]+(g>>>3&268435452)>>2]>>>g&1)){f=H[a+48>>2];H[a+52>>2]=f;a:{if((f|0)!=H[a+56>>2]){H[f>>2]=b;H[a+52>>2]=f+4;break a}d=pa(4);H[d>>2]=b;c=d+4|0;H[a+56>>2]=c;H[a+52>>2]=c;H[a+48>>2]=d;if(!f){break a}oa(f)}e=-1;d=H[a+4>>2];c=b+1|0;i=(c>>>0)%3|0?c:b-2|0;if((i|0)!=-1){e=H[H[d>>2]+(i<<2)>>2]}b:{h=b-N(g,3)|0;if(h){c=b-1|0;break b}c=b+2|0;if((c|0)!=-1){break b}return 0}if((e|0)==-1){return 0}j=H[H[d>>2]+(c<<2)>>2];if((j|0)==-1){return 0}c=H[a+36>>2];f=c+(e>>>3&536870908)|0;g=H[f>>2];d=1<>2]=d|g;Ua(a+8|0,e,i);c=H[a+36>>2]}g=(j>>>3&536870908)+c|0;d=H[g>>2];c=1<>2]=c|d;Ua(a+8|0,j,(h?-1:2)+b|0)}c=H[a+52>>2];if((c|0)==H[a+48>>2]){return 1}j=a+8|0;while(1){c:{d:{c=c-4|0;b=H[c>>2];if((b|0)==-1){break d}d=(b>>>0)/3|0;f=H[a+24>>2]+(d>>>3&268435452)|0;g=H[f>>2];d=1<>2]=d|g;while(1){i=H[a+4>>2];e=H[H[i>>2]+(b<<2)>>2];if((e|0)==-1){return 0}e:{f:{h=H[a+36>>2]+(e>>>3&536870908)|0;f=H[h>>2];g=1<>2]+(e<<2)>>2];h:{if((d|0)==-1){break h}c=d+1|0;c=(c>>>0)%3|0?c:d-2|0;if((c|0)==-1){break h}d=H[H[i+12>>2]+(c<<2)>>2];if((d|0)!=-1){break g}}H[h>>2]=f|g;Ua(j,e,b);break f}H[h>>2]=f|g;Ua(j,e,b);c=d+1|0;if((((c>>>0)%3|0?c:d-2|0)|0)==-1){break f}c=b-2|0;d=b+1|0;b=-1;c=(d>>>0)%3|0?d:c;if((c|0)!=-1){b=H[H[H[a+4>>2]+12>>2]+(c<<2)>>2]}c=(b>>>0)/3|0;d=1<>2];f=c>>>5|0;i=H[e+(f<<2)>>2];break e}c=-1;g=H[a+4>>2];d=b+1|0;d=(d>>>0)%3|0?d:b-2|0;if((d|0)!=-1){c=H[H[g+12>>2]+(d<<2)>>2]}i:{j:{if((b>>>0)%3|0){e=b-1|0;break j}e=b+2|0;b=-1;if((e|0)==-1){break i}}b=H[H[g+12>>2]+(e<<2)>>2]}g=(b|0)==-1;h=g?-1:(b>>>0)/3|0;k:{if((c|0)!=-1){e=H[a+24>>2];d=(c>>>0)/3|0;f=d>>>5|0;i=H[e+(f<<2)>>2];d=1<>2];f=h>>>5|0;i=H[e+(f<<2)>>2];if(!(d&i)){break e}}c=H[a+52>>2]-4|0;H[a+52>>2]=c;break c}if(g){b=c;break e}if(H[(h>>>3&536870908)+e>>2]>>>h&1){b=c;break e}e=H[a+52>>2];H[e-4>>2]=b;if(H[a+56>>2]!=(e|0)){H[e>>2]=c;c=e+4|0;break d}l:{h=H[a+48>>2];f=e-h|0;g=f>>2;d=g+1|0;if(d>>>0<1073741824){b=f>>>1|0;f=f>>>0>=2147483644?1073741823:b>>>0>d>>>0?b:d;if(f){if(f>>>0>=1073741824){break l}d=pa(f<<2)}else{d=0}b=d+(g<<2)|0;H[b>>2]=c;c=b+4|0;if((e|0)!=(h|0)){while(1){b=b-4|0;e=e-4|0;H[b>>2]=H[e>>2];if((e|0)!=(h|0)){continue}break}}H[a+56>>2]=d+(f<<2);H[a+52>>2]=c;H[a+48>>2]=b;if(!h){break c}oa(h);c=H[a+52>>2];break c}sa();v()}wa();v()}H[(f<<2)+e>>2]=d|i;if((b|0)!=-1){continue}break}return 0}H[a+52>>2]=c}if(H[a+48>>2]!=(c|0)){continue}break}}return 1}function uj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;g=ca-32|0;ca=g;H[a+68>>2]=f;d=H[a+56>>2];e=H[d>>2];d=H[d+4>>2];H[g+24>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+60|0;d=d>>>2|0;n=d>>>0<=1?1:d;o=a+112|0;while(1){e=H[a+56>>2];d=H[e>>2];if(H[e+4>>2]-d>>2>>>0<=j>>>0){break a}Nb(m,H[d+(j<<2)>>2],g+16|0);i=H[g+20>>2];d=i>>31;h=H[g+16>>2];e=h>>31;f=(d^i)-d+((e^h)-e)|0;k=H[g+24>>2];d=k>>31;e=(d^k)-d|0;d=0;l=e;e=e+f|0;d=l>>>0>e>>>0?1:d;b:{if(!(d|e)){H[g+16>>2]=H[a+108>>2];break b}f=H[a+108>>2];l=f>>31;h=Sj(Rj(f,l,h,h>>31),da,e,d);H[g+16>>2]=h;d=Sj(Rj(f,l,i,i>>31),da,e,d);H[g+20>>2]=d;e=d;d=d>>31;e=(e^d)-d|0;d=h>>31;d=e+((d^h)-d|0)|0;if((k|0)>=0){H[g+24>>2]=f-d;break b}H[g+24>>2]=d-f}d=Ba(o);f=H[g+16>>2];c:{if(d){H[g+24>>2]=0-H[g+24>>2];e=0-H[g+20>>2]|0;H[g+20>>2]=e;f=0-f|0;H[g+16>>2]=f;break c}e=H[g+20>>2]}d:{if((f|0)>=0){f=H[a+108>>2];d=f+H[g+24>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=H[g+24>>2];f=d>>31;f=(d^f)-f|0;break e}d=H[g+24>>2];f=d>>31;f=H[a+100>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=H[a+100>>2]+(d-(d^e)|0)|0}e=H[a+100>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}i=H[a+108>>2];if((i|0)>=(d|0)){break g}d=(i<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}i=H[a+108>>2];if((i|0)<=(d|0)){break h}d=(i<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=H[a+108>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=H[a+108>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}H[g+12>>2]=d;H[g+8>>2]=f;j:{if(H[a+8>>2]<=0){break j}i=H[a+32>>2];f=0;while(1){d=f<<2;e=H[d+(g+8|0)>>2];h=H[a+16>>2];k:{if((e|0)>(h|0)){H[d+i>>2]=h;break k}d=d+i|0;h=H[a+12>>2];if((h|0)>(e|0)){H[d>>2]=h;break k}H[d>>2]=e}f=f+1|0;e=H[a+8>>2];if((f|0)<(e|0)){continue}break}d=0;if((e|0)<=0){break j}e=j<<3;h=e+c|0;k=b+e|0;while(1){f=d<<2;e=f+h|0;f=H[f+k>>2]+H[f+i>>2]|0;H[e>>2]=f;l:{if((f|0)>H[a+16>>2]){f=f-H[a+20>>2]|0}else{if((f|0)>=H[a+12>>2]){break l}f=f+H[a+20>>2]|0}H[e>>2]=f}d=d+1|0;if((d|0)>2]){continue}break}}j=j+1|0;if((n|0)!=(j|0)){continue}break}}ca=g+32|0;return 1}Ca();v()}function dj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;g=ca-32|0;ca=g;H[a+68>>2]=f;d=H[a+56>>2];e=H[d>>2];d=H[d+4>>2];H[g+24>>2]=0;H[g+16>>2]=0;H[g+20>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+60|0;d=d>>>2|0;n=d>>>0<=1?1:d;o=a+112|0;while(1){e=H[a+56>>2];d=H[e>>2];if(H[e+4>>2]-d>>2>>>0<=j>>>0){break a}Lb(m,H[d+(j<<2)>>2],g+16|0);i=H[g+20>>2];d=i>>31;h=H[g+16>>2];e=h>>31;f=(d^i)-d+((e^h)-e)|0;k=H[g+24>>2];d=k>>31;e=(d^k)-d|0;d=0;l=e;e=e+f|0;d=l>>>0>e>>>0?1:d;b:{if(!(d|e)){H[g+16>>2]=H[a+108>>2];break b}f=H[a+108>>2];l=f>>31;h=Sj(Rj(f,l,h,h>>31),da,e,d);H[g+16>>2]=h;d=Sj(Rj(f,l,i,i>>31),da,e,d);H[g+20>>2]=d;e=d;d=d>>31;e=(e^d)-d|0;d=h>>31;d=e+((d^h)-d|0)|0;if((k|0)>=0){H[g+24>>2]=f-d;break b}H[g+24>>2]=d-f}d=Ba(o);f=H[g+16>>2];c:{if(d){H[g+24>>2]=0-H[g+24>>2];e=0-H[g+20>>2]|0;H[g+20>>2]=e;f=0-f|0;H[g+16>>2]=f;break c}e=H[g+20>>2]}d:{if((f|0)>=0){f=H[a+108>>2];d=f+H[g+24>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=H[g+24>>2];f=d>>31;f=(d^f)-f|0;break e}d=H[g+24>>2];f=d>>31;f=H[a+100>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=H[a+100>>2]+(d-(d^e)|0)|0}e=H[a+100>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}i=H[a+108>>2];if((i|0)>=(d|0)){break g}d=(i<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}i=H[a+108>>2];if((i|0)<=(d|0)){break h}d=(i<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=H[a+108>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=H[a+108>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}H[g+12>>2]=d;H[g+8>>2]=f;j:{if(H[a+8>>2]<=0){break j}i=H[a+32>>2];f=0;while(1){d=f<<2;e=H[d+(g+8|0)>>2];h=H[a+16>>2];k:{if((e|0)>(h|0)){H[d+i>>2]=h;break k}d=d+i|0;h=H[a+12>>2];if((h|0)>(e|0)){H[d>>2]=h;break k}H[d>>2]=e}f=f+1|0;e=H[a+8>>2];if((f|0)<(e|0)){continue}break}d=0;if((e|0)<=0){break j}e=j<<3;h=e+c|0;k=b+e|0;while(1){f=d<<2;e=f+h|0;f=H[f+k>>2]+H[f+i>>2]|0;H[e>>2]=f;l:{if((f|0)>H[a+16>>2]){f=f-H[a+20>>2]|0}else{if((f|0)>=H[a+12>>2]){break l}f=f+H[a+20>>2]|0}H[e>>2]=f}d=d+1|0;if((d|0)>2]){continue}break}}j=j+1|0;if((n|0)!=(j|0)){continue}break}}ca=g+32|0;return 1}Ca();v()}function ke(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;h=ca-80|0;ca=h;a:{b:{if(I[H[a+28>>2]+36|0]<=1){d=H[b+20>>2];f=H[b+16>>2];c=f+4|0;d=c>>>0<4?d+1|0:d;g=H[b+12>>2];if(K[b+8>>2]>>0&(g|0)<=(d|0)|(d|0)>(g|0)){break a}f=f+H[b>>2]|0;j=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[b+16>>2]=c;H[b+20>>2]=d;break b}if(!Pc(1,h+76|0,b)){break a}j=H[h+76>>2]}if(!j){break a}d=H[b+8>>2];c=H[b+16>>2];d=Rj(d-c|0,H[b+12>>2]-(H[b+20>>2]+(c>>>0>d>>>0)|0)|0,5,0);c=da;if(d>>>0>>0&(c|0)<=0|(c|0)<0){break a}c=H[a+4>>2];d=H[a+8>>2]-c>>2;c:{if(d>>>0>>0){ya(a+4|0,j-d|0);break c}if(d>>>0<=j>>>0){break c}H[a+8>>2]=c+(j<<2)}p=a+16|0;l=H[a+32>>2];while(1){i=H[b+12>>2];c=i;d=H[b+20>>2];e=H[b+8>>2];f=H[b+16>>2];if((c|0)<=(d|0)&e>>>0<=f>>>0|(c|0)<(d|0)){e=0;break a}n=H[b>>2];q=I[n+f|0];c=d;g=f+1|0;c=g?c:c+1|0;H[b+16>>2]=g;H[b+20>>2]=c;if(e>>>0<=g>>>0&(c|0)>=(i|0)|(c|0)>(i|0)){e=0;break a}g=I[g+n|0];c=d;k=f+2|0;c=k>>>0<2?c+1|0:c;H[b+16>>2]=k;H[b+20>>2]=c;if(e>>>0<=k>>>0&(c|0)>=(i|0)|(c|0)>(i|0)){e=0;break a}k=I[k+n|0];c=d;m=f+3|0;c=m>>>0<3?c+1|0:c;H[b+16>>2]=m;H[b+20>>2]=c;if(e>>>0<=m>>>0&(c|0)>=(i|0)|(c|0)>(i|0)){e=0;break a}e=I[m+n|0];c=d;d=f+4|0;c=d>>>0<4?c+1|0:c;H[b+16>>2]=d;H[b+20>>2]=c;if(q>>>0>4){e=0;break a}if((g-12&255)>>>0<245){e=0;break a}if(!k){e=0;break a}m=Eb(h+8|0);i=(e|0)!=0;d=g-1|0;if(d>>>0<=10){c=H[(d<<2)+13584>>2]}else{c=-1}d=N(c,k);lc(m,q,k,g,i,d,d>>31);d:{d=J[H[a+28>>2]+36>>1];e:{if(((d<<8|d>>>8)&65535)>>>0<=258){c=H[b+20>>2];f=H[b+16>>2];d=f+2|0;c=d>>>0<2?c+1|0:c;e=H[b+12>>2];if(K[b+8>>2]>>0&(e|0)<=(c|0)|(c|0)>(e|0)){break d}f=f+H[b>>2]|0;e=I[f|0]|I[f+1|0]<<8;H[b+16>>2]=d;H[b+20>>2]=c;break e}if(!Pc(1,h+4|0,b)){break d}e=H[h+4>>2]}H[h+68>>2]=e;d=jc(pa(96),m);ea[H[H[l>>2]+8>>2]](l,H[l+12>>2]-H[l+8>>2]>>2,d);d=(H[l+12>>2]-H[l+8>>2]>>2)-1|0;f=d<<2;H[H[f+H[l+8>>2]>>2]+60>>2]=e;H[H[a+4>>2]+(o<<2)>>2]=d;e=H[a+16>>2];c=H[a+20>>2]-e>>2;f:{if((c|0)>(d|0)){break f}H[h>>2]=-1;d=d+1|0;if(d>>>0>c>>>0){Pa(p,d-c|0,h);e=H[p>>2];break f}if(c>>>0<=d>>>0){break f}H[a+20>>2]=(d<<2)+e}H[e+f>>2]=o;e=1;o=o+1|0;if((o|0)!=(j|0)){continue}break a}break}e=0}ca=h+80|0;return e|0}function nd(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;n=ea[H[H[a>>2]+44>>2]](a)|0;a:{if((n|0)<=0){break a}i=H[b+4>>2]-H[b>>2]>>2;e=ca+-64|0;ca=e;f=Eb(e);d=N(H[3400],n);lc(f,H[H[a+8>>2]+56>>2],n&255,5,0,d,d>>31);f=jc(pa(96),f);F[f+84|0]=1;H[f+72>>2]=H[f+68>>2];mb(f,i);H[f+60>>2]=H[H[a+8>>2]+60>>2];d=H[a+16>>2];H[a+16>>2]=f;if(d){Ga(d)}ca=e- -64|0;h=H[a+16>>2];if(!H[h+80>>2]){break a}j=H[H[h>>2]>>2];if(!j){break a}m=H[c+12>>2];e=m;d=H[c+20>>2];g=H[c+8>>2];k=H[c+16>>2];if((e|0)<=(d|0)&g>>>0<=k>>>0|(d|0)>(e|0)){break a}l=N(i,n);i=j+H[h+48>>2]|0;h=H[c>>2];j=I[h+k|0];e=k+1|0;f=e?d:d+1|0;H[c+16>>2]=e;H[c+20>>2]=f;b:{c:{if(j){if(kd(l,n,c,i)){break c}break a}if((f|0)>=(m|0)&e>>>0>=g>>>0|(f|0)>(m|0)){break a}g=I[e+h|0];f=k+2|0;d=f>>>0<2?d+1|0:d;H[c+16>>2]=f;H[c+20>>2]=d;d=H[H[a+16>>2]+64>>2];d=H[d+4>>2]-H[d>>2]|0;if((g|0)==H[3400]){e=l<<2;if(e>>>0>d>>>0){break a}g=H[c+8>>2];k=H[c+12>>2];j=H[c+20>>2];d=H[c+16>>2];f=e+d|0;j=f>>>0>>0?j+1|0:j;if(f>>>0>g>>>0&(j|0)>=(k|0)|(j|0)>(k|0)){break a}qa(i,d+H[c>>2]|0,e);f=H[c+20>>2];d=e+H[c+16>>2]|0;f=d>>>0>>0?f+1|0:f;H[c+16>>2]=d;H[c+20>>2]=f;break c}if(d>>>0>>0){break a}d=H[c+8>>2];f=H[c+16>>2];e=d-f|0;m=d>>>0>>0;d=H[c+20>>2];k=H[c+12>>2]-(m+d|0)|0;m=Rj(g,0,l,0)>>>0>e>>>0;e=da;if(m&(e|0)>=(k|0)|(e|0)>(k|0)){break a}e=1;if(!l){break b}h=0;while(1){k=H[c+8>>2];j=H[c+12>>2];e=f+g|0;d=e>>>0>>0?d+1|0:d;if(e>>>0>k>>>0&(d|0)>=(j|0)|(d|0)>(j|0)){return 0}qa(i+(h<<2)|0,H[c>>2]+f|0,g);d=H[c+20>>2];f=g+H[c+16>>2]|0;d=f>>>0>>0?d+1|0:d;H[c+16>>2]=f;H[c+20>>2]=d;h=h+1|0;if((l|0)!=(h|0)){continue}break}}e=1;if(!l){break b}d=H[a+20>>2];if(d){e=0;if(ea[H[H[d>>2]+32>>2]](d)|0){break b}}g=0;h=0;d:{if((l|0)<=0){break d}if((l|0)!=1){f=l&-2;while(1){e=g<<2;d=H[e+i>>2];H[e+i>>2]=0-(d&1)^d>>>1;d=e|4;e=H[d+i>>2];H[d+i>>2]=0-(e&1)^e>>>1;g=g+2|0;h=h+2|0;if((f|0)!=(h|0)){continue}break}}if(!(l&1)){break d}d=g<<2;f=H[d+i>>2];H[d+i>>2]=0-(f&1)^f>>>1}e=0}d=e;f=H[a+20>>2];e:{if(!f){break e}if(!(ea[H[H[f>>2]+40>>2]](f,c)|0)){break a}if(d){break e}a=H[a+20>>2];if(!(ea[H[H[a>>2]+44>>2]](a,i,i,l,n,H[b>>2])|0)){break a}}o=1}return o|0}function pb(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=ca-32|0;ca=h;a:{b:{if(H[a+8>>2]<<5>>>0>=b>>>0){break b}if((b|0)<0){break a}b=(b-1>>>5|0)+1|0;c=pa(b<<2);H[h+24>>2]=b;H[h+20>>2]=0;H[h+16>>2]=c;b=H[a>>2];H[h+12>>2]=0;H[h+8>>2]=b;c=H[a+4>>2];H[h+4>>2]=c&31;H[h>>2]=b+(c>>>3&536870908);e=ca-32|0;ca=e;i=H[h+4>>2];g=H[h+12>>2];j=H[h>>2];d=H[h+8>>2];b=(i-g|0)+(j-d<<3)|0;f=H[h+20>>2];c=b+f|0;H[h+20>>2]=c;if(!((c-1^f-1)>>>0<32?f:0)){H[H[h+16>>2]+((c>>>0>=33?c-1>>>5|0:0)<<2)>>2]=0}c=H[h+16>>2]+(f>>>3&536870908)|0;f=f&31;c:{if((f|0)==(g|0)){if((b|0)<=0){break c}if(g){i=32-g|0;f=(b|0)<(i|0)?b:i;i=-1<>>i-f;H[c>>2]=H[c>>2]&(i^-1)|i&H[d>>2];d=d+4|0;c=(g+f>>>3&536870908)+c|0;b=b-f|0}g=(b|0)/32|0;if(b+31>>>0>=63){va(c,d,g<<2)}b=b-(g<<5)|0;if((b|0)<=0){break c}f=c;c=g<<2;g=f+c|0;b=-1>>>32-b|0;H[g>>2]=H[g>>2]&(b^-1)|b&H[c+d>>2];break c}H[e+28>>2]=g;H[e+24>>2]=d;H[e+20>>2]=i;H[e+16>>2]=j;H[e+12>>2]=f;H[e+8>>2]=c;b=H[e+28>>2];c=H[e+24>>2];g=(H[e+20>>2]-b|0)+(H[e+16>>2]-c<<3)|0;d:{if((g|0)<=0){b=H[e+12>>2];d=H[e+8>>2];break d}e:{if(!b){b=H[e+12>>2];break e}d=H[e+12>>2];j=32-d|0;k=32-b|0;f=(g|0)<(k|0)?g:k;i=f>>>0>j>>>0?j:f;l=H[e+8>>2];m=H[l>>2]&(-1<>>j-i^-1);j=H[c>>2]&(-1<>>k-f);H[l>>2]=m|(b>>>0>>0?j<>>b-d|0);c=d+i|0;b=c&31;H[e+12>>2]=b;d=l+(c>>>3&536870908)|0;H[e+8>>2]=d;c=f-i|0;if((c|0)>0){H[d>>2]=H[d>>2]&(-1>>>32-c^-1)|j>>>i+H[e+28>>2];H[e+12>>2]=c;b=c}g=g-f|0;c=H[e+24>>2]+4|0;H[e+24>>2]=c}i=-1<=32){j=i^-1;while(1){d=H[e+8>>2];c=H[c>>2];H[d>>2]=j&H[d>>2]|c<>2]=d+4;H[d+4>>2]=i&H[d+4>>2]|c>>>f;c=H[e+24>>2]+4|0;H[e+24>>2]=c;d=g>>>0>63;g=g-32|0;if(d){continue}break}}d=H[e+8>>2];if((g|0)<=0){break d}j=f;f=(g|0)>(f|0)?f:g;j=H[d>>2]&(i&-1>>>j-f^-1);i=H[c>>2]&-1>>>32-g;H[d>>2]=j|i<>2]=c;d=(b>>>3&536870908)+d|0;H[e+8>>2]=d;b=g-f|0;if((b|0)<=0){b=c;break d}H[d>>2]=H[d>>2]&(-1>>>32-b^-1)|i>>>f;H[e+12>>2]=b}H[e+4>>2]=b;H[e>>2]=d}ca=e+32|0;b=H[a>>2];H[a>>2]=H[h+16>>2];H[h+16>>2]=b;c=H[a+4>>2];H[a+4>>2]=H[h+20>>2];H[h+20>>2]=c;c=H[a+8>>2];H[a+8>>2]=H[h+24>>2];H[h+24>>2]=c;if(!b){break b}oa(b)}ca=h+32|0;return}sa();v()}function Ne(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=J[b+38>>1];a:{if(!c){break a}b:{if(c>>>0<=511){g=H[b+8>>2];e=H[b+12>>2];d=H[b+20>>2];c=H[b+16>>2];i=c+4|0;d=i>>>0<4?d+1|0:d;if(g>>>0>>0&(d|0)>=(e|0)|(d|0)>(e|0)){break a}c=c+H[b>>2]|0;f=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[a+12>>2]=f;d=H[b+20>>2];c=H[b+16>>2]+4|0;d=c>>>0<4?d+1|0:d;H[b+16>>2]=c;H[b+20>>2]=d;break b}if(!hb(1,a+12|0,b)){break a}c=H[b+16>>2];d=H[b+20>>2];f=H[a+12>>2]}e=H[b+8>>2];i=e-c|0;c=H[b+12>>2]-(d+(c>>>0>e>>>0)|0)|0;if(i>>>0>>6>>>0&(c|0)<=0|(c|0)<0){break a}d=H[a>>2];c=H[a+4>>2]-d>>2;c:{if(c>>>0>>0){ya(a,f-c|0);f=H[a+12>>2];break c}if(c>>>0<=f>>>0){break c}H[a+4>>2]=d+(f<<2)}if(!f){return 1}c=H[b+16>>2];d=H[b+20>>2];l=H[a>>2];i=H[b+8>>2];j=H[b+12>>2];g=0;while(1){if((d|0)>=(j|0)&c>>>0>=i>>>0|(d|0)>(j|0)){return 0}m=H[b>>2];k=I[m+c|0];c=c+1|0;d=c?d:d+1|0;H[b+16>>2]=c;H[b+20>>2]=d;e=k>>>2|0;h=0;d:{e:{f:{g:{n=k&3;switch(n|0){case 0:break e;case 3:break g;default:break f}}e=e+g|0;if(e>>>0>=f>>>0){return 0}ra(l+(g<<2)|0,0,(k&252)+4|0);g=e;break d}while(1){if((c|0)==(i|0)&(d|0)==(j|0)){break a}f=I[c+m|0];c=c+1|0;d=c?d:d+1|0;H[b+16>>2]=c;H[b+20>>2]=d;e=f<<(h<<3|6)|e;h=h+1|0;if((n|0)!=(h|0)){continue}break}}H[l+(g<<2)>>2]=e}f=H[a+12>>2];g=g+1|0;if(f>>>0>g>>>0){continue}break}b=a+16|0;i=H[a>>2];d=H[a+16>>2];c=H[a+20>>2]-d|0;h:{if(c>>>0<=16383){ya(b,4096-(c>>>2|0)|0);break h}if((c|0)==16384){break h}H[a+20>>2]=d+16384}c=a+28|0;g=H[c>>2];d=H[a+32>>2]-g>>3;i:{if(d>>>0>>0){ob(c,f-d|0);g=H[c>>2];break i}if(d>>>0>f>>>0){H[a+32>>2]=(f<<3)+g}if(!f){break a}}d=H[b>>2];b=0;a=0;while(1){c=i+(b<<2)|0;h=H[c>>2];e=a;j=(b<<3)+g|0;H[j+4>>2]=a;H[j>>2]=h;c=H[c>>2];a=c+a|0;if(a>>>0>4096){break a}j:{if(a>>>0<=e>>>0){break j}h=0;j=c&7;if(j){while(1){H[d+(e<<2)>>2]=b;e=e+1|0;h=h+1|0;if((j|0)!=(h|0)){continue}break}}if(c-1>>>0<=6){break j}while(1){c=d+(e<<2)|0;H[c>>2]=b;H[c+28>>2]=b;H[c+24>>2]=b;H[c+20>>2]=b;H[c+16>>2]=b;H[c+12>>2]=b;H[c+8>>2]=b;H[c+4>>2]=b;e=e+8|0;if((e|0)!=(a|0)){continue}break}}b=b+1|0;if((f|0)!=(b|0)){continue}break}o=(a|0)==4096}return o}function Ni(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;g=ca-48|0;ca=g;d=H[a+8>>2];if(d-2>>>0<=28){H[a+76>>2]=d;e=-1<>2]=d;H[a+80>>2]=e^-1;H[a+92>>2]=(d|0)/2;L[a+88>>2]=O(2)/O(d|0)}H[a+52>>2]=f;d=H[a+40>>2];e=H[d>>2];d=H[d+4>>2];H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+8|0;n=a+44|0;d=d>>>2|0;o=d>>>0<=1?1:d;p=a+96|0;while(1){e=H[a+40>>2];d=H[e>>2];if(H[e+4>>2]-d>>2>>>0<=j>>>0){break a}Nb(n,H[d+(j<<2)>>2],g+8|0);h=H[g+12>>2];d=h>>31;i=H[g+8>>2];e=i>>31;f=(d^h)-d+((e^i)-e)|0;l=H[g+16>>2];d=l>>31;e=(d^l)-d|0;d=0;k=e;e=e+f|0;d=k>>>0>e>>>0?1:d;b:{if(!(d|e)){H[g+8>>2]=H[a+92>>2];break b}f=H[a+92>>2];k=f>>31;i=Sj(Rj(f,k,i,i>>31),da,e,d);H[g+8>>2]=i;d=Sj(Rj(f,k,h,h>>31),da,e,d);H[g+12>>2]=d;e=d>>31;e=(d^e)-e|0;d=i>>31;d=e+((d^i)-d|0)|0;if((l|0)>=0){H[g+16>>2]=f-d;break b}H[g+16>>2]=d-f}d=Ba(p);f=H[g+8>>2];c:{if(d){H[g+16>>2]=0-H[g+16>>2];e=0-H[g+12>>2]|0;H[g+12>>2]=e;f=0-f|0;H[g+8>>2]=f;break c}e=H[g+12>>2]}d:{if((f|0)>=0){f=H[a+92>>2];d=f+H[g+16>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=H[g+16>>2];f=d>>31;f=(d^f)-f|0;break e}d=H[g+16>>2];f=d>>31;f=H[a+84>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=H[a+84>>2]+(d-(d^e)|0)|0}e=H[a+84>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}h=H[a+92>>2];if((h|0)>=(d|0)){break g}d=(h<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}h=H[a+92>>2];if((h|0)<=(d|0)){break h}d=(h<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=H[a+92>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=H[a+92>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}e=j<<3;h=e+b|0;i=H[h>>2];h=H[h+4>>2];H[g+36>>2]=d;H[g+32>>2]=f;H[g+24>>2]=i;H[g+28>>2]=h;qc(g+40|0,m,g+32|0,g+24|0);d=c+e|0;H[d>>2]=H[g+40>>2];H[d+4>>2]=H[g+44>>2];j=j+1|0;if((o|0)!=(j|0)){continue}break}}ca=g+48|0;return 1}Ca();v()}function Ii(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;g=ca-48|0;ca=g;d=H[a+8>>2];if(d-2>>>0<=28){H[a+76>>2]=d;e=-1<>2]=d;H[a+80>>2]=e^-1;H[a+92>>2]=(d|0)/2;L[a+88>>2]=O(2)/O(d|0)}H[a+52>>2]=f;d=H[a+40>>2];e=H[d>>2];d=H[d+4>>2];H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+8|0;n=a+44|0;d=d>>>2|0;o=d>>>0<=1?1:d;p=a+96|0;while(1){e=H[a+40>>2];d=H[e>>2];if(H[e+4>>2]-d>>2>>>0<=j>>>0){break a}Lb(n,H[d+(j<<2)>>2],g+8|0);h=H[g+12>>2];d=h>>31;i=H[g+8>>2];e=i>>31;f=(d^h)-d+((e^i)-e)|0;l=H[g+16>>2];d=l>>31;e=(d^l)-d|0;d=0;k=e;e=e+f|0;d=k>>>0>e>>>0?1:d;b:{if(!(d|e)){H[g+8>>2]=H[a+92>>2];break b}f=H[a+92>>2];k=f>>31;i=Sj(Rj(f,k,i,i>>31),da,e,d);H[g+8>>2]=i;d=Sj(Rj(f,k,h,h>>31),da,e,d);H[g+12>>2]=d;e=d>>31;e=(d^e)-e|0;d=i>>31;d=e+((d^i)-d|0)|0;if((l|0)>=0){H[g+16>>2]=f-d;break b}H[g+16>>2]=d-f}d=Ba(p);f=H[g+8>>2];c:{if(d){H[g+16>>2]=0-H[g+16>>2];e=0-H[g+12>>2]|0;H[g+12>>2]=e;f=0-f|0;H[g+8>>2]=f;break c}e=H[g+12>>2]}d:{if((f|0)>=0){f=H[a+92>>2];d=f+H[g+16>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=H[g+16>>2];f=d>>31;f=(d^f)-f|0;break e}d=H[g+16>>2];f=d>>31;f=H[a+84>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=H[a+84>>2]+(d-(d^e)|0)|0}e=H[a+84>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}h=H[a+92>>2];if((h|0)>=(d|0)){break g}d=(h<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}h=H[a+92>>2];if((h|0)<=(d|0)){break h}d=(h<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=H[a+92>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=H[a+92>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}e=j<<3;h=e+b|0;i=H[h>>2];h=H[h+4>>2];H[g+36>>2]=d;H[g+32>>2]=f;H[g+24>>2]=i;H[g+28>>2]=h;qc(g+40|0,m,g+32|0,g+24|0);d=c+e|0;H[d>>2]=H[g+40>>2];H[d+4>>2]=H[g+44>>2];j=j+1|0;if((o|0)!=(j|0)){continue}break}}ca=g+48|0;return 1}Ca();v()}function Wi(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;g=ca-48|0;ca=g;d=H[a+8>>2];if(d-2>>>0<=28){H[a+76>>2]=d;e=-1<>2]=d;H[a+80>>2]=e^-1;H[a+92>>2]=(d|0)/2;L[a+88>>2]=O(2)/O(d|0)}H[a+52>>2]=f;d=H[a+40>>2];e=H[d>>2];d=H[d+4>>2];H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+8|0;n=a+44|0;d=d>>>2|0;o=d>>>0<=1?1:d;p=a+96|0;while(1){e=H[a+40>>2];d=H[e>>2];if(H[e+4>>2]-d>>2>>>0<=j>>>0){break a}Nb(n,H[d+(j<<2)>>2],g+8|0);h=H[g+12>>2];d=h>>31;i=H[g+8>>2];e=i>>31;f=(d^h)-d+((e^i)-e)|0;l=H[g+16>>2];d=l>>31;e=(d^l)-d|0;d=0;k=e;e=e+f|0;d=k>>>0>e>>>0?1:d;b:{if(!(d|e)){H[g+8>>2]=H[a+92>>2];break b}f=H[a+92>>2];k=f>>31;i=Sj(Rj(f,k,i,i>>31),da,e,d);H[g+8>>2]=i;d=Sj(Rj(f,k,h,h>>31),da,e,d);H[g+12>>2]=d;e=d>>31;e=(d^e)-e|0;d=i>>31;d=e+((d^i)-d|0)|0;if((l|0)>=0){H[g+16>>2]=f-d;break b}H[g+16>>2]=d-f}d=Ba(p);f=H[g+8>>2];c:{if(d){H[g+16>>2]=0-H[g+16>>2];e=0-H[g+12>>2]|0;H[g+12>>2]=e;f=0-f|0;H[g+8>>2]=f;break c}e=H[g+12>>2]}d:{if((f|0)>=0){f=H[a+92>>2];d=f+H[g+16>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=H[g+16>>2];f=d>>31;f=(d^f)-f|0;break e}d=H[g+16>>2];f=d>>31;f=H[a+84>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=H[a+84>>2]+(d-(d^e)|0)|0}e=H[a+84>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}h=H[a+92>>2];if((h|0)>=(d|0)){break g}d=(h<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}h=H[a+92>>2];if((h|0)<=(d|0)){break h}d=(h<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=H[a+92>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=H[a+92>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}e=j<<3;h=e+b|0;i=H[h+4>>2];H[g+40>>2]=H[h>>2];H[g+44>>2]=i;H[g+28>>2]=d;H[g+24>>2]=f;rc(g+32|0,m,g+24|0,g+40|0);d=c+e|0;H[d>>2]=H[g+32>>2];H[d+4>>2]=H[g+36>>2];j=j+1|0;if((o|0)!=(j|0)){continue}break}}ca=g+48|0;return 1}Ca();v()}function Ri(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;g=ca-48|0;ca=g;d=H[a+8>>2];if(d-2>>>0<=28){H[a+76>>2]=d;e=-1<>2]=d;H[a+80>>2]=e^-1;H[a+92>>2]=(d|0)/2;L[a+88>>2]=O(2)/O(d|0)}H[a+52>>2]=f;d=H[a+40>>2];e=H[d>>2];d=H[d+4>>2];H[g+16>>2]=0;H[g+8>>2]=0;H[g+12>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+8|0;n=a+44|0;d=d>>>2|0;o=d>>>0<=1?1:d;p=a+96|0;while(1){e=H[a+40>>2];d=H[e>>2];if(H[e+4>>2]-d>>2>>>0<=j>>>0){break a}Lb(n,H[d+(j<<2)>>2],g+8|0);h=H[g+12>>2];d=h>>31;i=H[g+8>>2];e=i>>31;f=(d^h)-d+((e^i)-e)|0;l=H[g+16>>2];d=l>>31;e=(d^l)-d|0;d=0;k=e;e=e+f|0;d=k>>>0>e>>>0?1:d;b:{if(!(d|e)){H[g+8>>2]=H[a+92>>2];break b}f=H[a+92>>2];k=f>>31;i=Sj(Rj(f,k,i,i>>31),da,e,d);H[g+8>>2]=i;d=Sj(Rj(f,k,h,h>>31),da,e,d);H[g+12>>2]=d;e=d>>31;e=(d^e)-e|0;d=i>>31;d=e+((d^i)-d|0)|0;if((l|0)>=0){H[g+16>>2]=f-d;break b}H[g+16>>2]=d-f}d=Ba(p);f=H[g+8>>2];c:{if(d){H[g+16>>2]=0-H[g+16>>2];e=0-H[g+12>>2]|0;H[g+12>>2]=e;f=0-f|0;H[g+8>>2]=f;break c}e=H[g+12>>2]}d:{if((f|0)>=0){f=H[a+92>>2];d=f+H[g+16>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=H[g+16>>2];f=d>>31;f=(d^f)-f|0;break e}d=H[g+16>>2];f=d>>31;f=H[a+84>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=H[a+84>>2]+(d-(d^e)|0)|0}e=H[a+84>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}h=H[a+92>>2];if((h|0)>=(d|0)){break g}d=(h<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}h=H[a+92>>2];if((h|0)<=(d|0)){break h}d=(h<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=H[a+92>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=H[a+92>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}e=j<<3;h=e+b|0;i=H[h+4>>2];H[g+40>>2]=H[h>>2];H[g+44>>2]=i;H[g+28>>2]=d;H[g+24>>2]=f;rc(g+32|0,m,g+24|0,g+40|0);d=c+e|0;H[d>>2]=H[g+32>>2];H[d+4>>2]=H[g+36>>2];j=j+1|0;if((o|0)!=(j|0)){continue}break}}ca=g+48|0;return 1}Ca();v()}function Ge(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;f=ca-16|0;ca=f;c=H[a+4>>2];H[a+40>>2]=H[a>>2];H[a+44>>2]=c;c=H[a+36>>2];H[a+72>>2]=H[a+32>>2];H[a+76>>2]=c;d=H[a+28>>2];c=a- -64|0;H[c>>2]=H[a+24>>2];H[c+4>>2]=d;c=H[a+20>>2];H[a+56>>2]=H[a+16>>2];H[a+60>>2]=c;c=H[a+12>>2];H[a+48>>2]=H[a+8>>2];H[a+52>>2]=c;a:{b:{if(Db(a+40|0,1,f+8|0)){c=H[a+44>>2];H[a>>2]=H[a+40>>2];H[a+4>>2]=c;c=H[a+76>>2];H[a+32>>2]=H[a+72>>2];H[a+36>>2]=c;c=H[a+68>>2];H[a+24>>2]=H[a+64>>2];H[a+28>>2]=c;d=H[a+60>>2];h=d;c=H[a+56>>2];H[a+16>>2]=c;H[a+20>>2]=d;e=H[a+52>>2];d=H[a+48>>2];H[a+8>>2]=d;H[a+12>>2]=e;i=d-c|0;g=H[f+12>>2];e=e-((c>>>0>d>>>0)+h|0)|0;d=H[f+8>>2];if((g|0)==(e|0)&i>>>0>=d>>>0|e>>>0>g>>>0){break b}}c=0;break a}e=h+g|0;c=c+d|0;e=c>>>0>>0?e+1|0:e;H[a+16>>2]=c;H[a+20>>2]=e;c:{if(J[a+38>>1]<=513){c=H[a+4>>2];H[a+96>>2]=H[a>>2];H[a+100>>2]=c;c=H[a+36>>2];H[a+128>>2]=H[a+32>>2];H[a+132>>2]=c;c=H[a+28>>2];H[a+120>>2]=H[a+24>>2];H[a+124>>2]=c;c=H[a+20>>2];H[a+112>>2]=H[a+16>>2];H[a+116>>2]=c;c=H[a+12>>2];H[a+104>>2]=H[a+8>>2];H[a+108>>2]=c;d:{if(Db(a+96|0,1,f+8|0)){c=H[a+100>>2];H[a>>2]=H[a+96>>2];H[a+4>>2]=c;c=H[a+132>>2];H[a+32>>2]=H[a+128>>2];H[a+36>>2]=c;c=H[a+124>>2];H[a+24>>2]=H[a+120>>2];H[a+28>>2]=c;d=H[a+116>>2];h=d;c=H[a+112>>2];H[a+16>>2]=c;H[a+20>>2]=d;e=H[a+108>>2];d=H[a+104>>2];H[a+8>>2]=d;H[a+12>>2]=e;i=d-c|0;g=H[f+12>>2];e=e-((c>>>0>d>>>0)+h|0)|0;d=H[f+8>>2];if((g|0)==(e|0)&i>>>0>=d>>>0|e>>>0>g>>>0){break d}}c=0;break a}e=h+g|0;c=c+d|0;e=c>>>0>>0?e+1|0:e;H[a+16>>2]=c;H[a+20>>2]=e;break c}c=0;if(!ta(a+80|0,a)){break a}}c=0;if(!Fe(a)){break a}c=H[a+4>>2];H[b>>2]=H[a>>2];H[b+4>>2]=c;c=H[a+36>>2];H[b+32>>2]=H[a+32>>2];H[b+36>>2]=c;c=H[a+28>>2];H[b+24>>2]=H[a+24>>2];H[b+28>>2]=c;c=H[a+20>>2];H[b+16>>2]=H[a+16>>2];H[b+20>>2]=c;c=H[a+12>>2];H[b+8>>2]=H[a+8>>2];H[b+12>>2]=c;c=1}ca=f+16|0;return c}function oe(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;if(!H[a+64>>2]){c=pa(32);H[c+16>>2]=0;H[c+20>>2]=0;H[c+8>>2]=0;H[c>>2]=0;H[c+4>>2]=0;H[c+24>>2]=0;H[c+28>>2]=0;d=H[a+64>>2];H[a+64>>2]=c;if(d){c=H[d>>2];if(c){H[d+4>>2]=c;oa(c)}oa(d);c=H[a+64>>2]}H[a>>2]=c;d=H[c+20>>2];H[a+8>>2]=H[c+16>>2];H[a+12>>2]=d;d=H[c+24>>2];c=H[c+28>>2];H[a+48>>2]=0;H[a+52>>2]=0;H[a+40>>2]=0;H[a+44>>2]=0;H[a+16>>2]=d;H[a+20>>2]=c}a:{F[a+24|0]=I[b+24|0];H[a+28>>2]=H[b+28>>2];F[a+32|0]=I[b+32|0];c=H[b+44>>2];H[a+40>>2]=H[b+40>>2];H[a+44>>2]=c;c=H[b+52>>2];H[a+48>>2]=H[b+48>>2];H[a+52>>2]=c;H[a+56>>2]=H[b+56>>2];c=H[b+12>>2];H[a+8>>2]=H[b+8>>2];H[a+12>>2]=c;c=H[b+20>>2];H[a+16>>2]=H[b+16>>2];H[a+20>>2]=c;H[a+60>>2]=H[b+60>>2];c=H[b>>2];b:{if(!c){H[a>>2]=0;d=1;break b}g=H[a>>2];d=0;if(!g){break b}d=H[c>>2];c=H[c+4>>2]-d|0;se(g,d,c,0);d=1}c:{if(!d){break c}F[a+84|0]=I[b+84|0];H[a+80>>2]=H[b+80>>2];if((a|0)!=(b|0)){Cb(a+68|0,H[b+68>>2],H[b+72>>2])}f=H[b+88>>2];d:{if(f){e=pa(40);b=H[f>>2];H[e+16>>2]=0;H[e+8>>2]=0;H[e+12>>2]=0;H[e>>2]=b;c=H[f+12>>2];b=H[f+8>>2];if((c|0)!=(b|0)){c=c-b|0;if((c|0)<0){break a}b=pa(c);H[e+12>>2]=b;H[e+8>>2]=b;H[e+16>>2]=b+c;c=H[f+8>>2];h=H[f+12>>2];e:{if((c|0)==(h|0)){break e}g=(c^-1)+h|0;d=h-c&7;if(d){while(1){F[b|0]=I[c|0];b=b+1|0;c=c+1|0;i=i+1|0;if((d|0)!=(i|0)){continue}break}}if(g>>>0<7){break e}while(1){F[b|0]=I[c|0];F[b+1|0]=I[c+1|0];F[b+2|0]=I[c+2|0];F[b+3|0]=I[c+3|0];F[b+4|0]=I[c+4|0];F[b+5|0]=I[c+5|0];F[b+6|0]=I[c+6|0];F[b+7|0]=I[c+7|0];b=b+8|0;c=c+8|0;if((h|0)!=(c|0)){continue}break}}H[e+12>>2]=b}b=H[f+36>>2];H[e+32>>2]=H[f+32>>2];H[e+36>>2]=b;b=H[f+28>>2];H[e+24>>2]=H[f+24>>2];H[e+28>>2]=b;b=H[a+88>>2];H[a+88>>2]=e;if(b){break d}break c}b=H[a+88>>2];H[a+88>>2]=0;if(!b){break c}}a=H[b+8>>2];if(a){H[b+12>>2]=a;oa(a)}oa(b)}return}sa();v()}function og(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;f=ca-32|0;ca=f;e=f+8|0;c=ca-80|0;ca=c;a=H[b+36>>2];H[c+72>>2]=H[b+32>>2];H[c+76>>2]=a;d=H[b+28>>2];a=c- -64|0;H[a>>2]=H[b+24>>2];H[a+4>>2]=d;a=H[b+20>>2];H[c+56>>2]=H[b+16>>2];H[c+60>>2]=a;a=H[b+12>>2];H[c+48>>2]=H[b+8>>2];H[c+52>>2]=a;a=H[b+4>>2];H[c+40>>2]=H[b>>2];H[c+44>>2]=a;nc(c+8|0,c+40|0,c+24|0);a=H[c+8>>2];a:{if(a){H[e>>2]=a;a=e+4|0;if(F[c+23|0]>=0){b=c+8|4;e=H[b+4>>2];H[a>>2]=H[b>>2];H[a+4>>2]=e;H[a+8>>2]=H[b+8>>2];break a}za(a,H[c+12>>2],H[c+16>>2]);if(F[c+23|0]>=0){break a}oa(H[c+12>>2]);break a}if(F[c+23|0]<0){oa(H[c+12>>2])}a=I[c+31|0];if(a>>>0>=2){b=pa(32);F[b+26|0]=0;a=I[1477]|I[1478]<<8;F[b+24|0]=a;F[b+25|0]=a>>>8;a=I[1473]|I[1474]<<8|(I[1475]<<16|I[1476]<<24);d=I[1469]|I[1470]<<8|(I[1471]<<16|I[1472]<<24);F[b+16|0]=d;F[b+17|0]=d>>>8;F[b+18|0]=d>>>16;F[b+19|0]=d>>>24;F[b+20|0]=a;F[b+21|0]=a>>>8;F[b+22|0]=a>>>16;F[b+23|0]=a>>>24;a=I[1465]|I[1466]<<8|(I[1467]<<16|I[1468]<<24);d=I[1461]|I[1462]<<8|(I[1463]<<16|I[1464]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=a;F[b+13|0]=a>>>8;F[b+14|0]=a>>>16;F[b+15|0]=a>>>24;a=I[1457]|I[1458]<<8|(I[1459]<<16|I[1460]<<24);d=I[1453]|I[1454]<<8|(I[1455]<<16|I[1456]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=a;F[b+5|0]=a>>>8;F[b+6|0]=a>>>16;F[b+7|0]=a>>>24;H[c+8>>2]=-1;a=c+8|4;za(a,b,26);d=F[c+23|0];H[e>>2]=H[c+8>>2];e=e+4|0;if((d|0)>=0){d=H[a+4>>2];H[e>>2]=H[a>>2];H[e+4>>2]=d;H[e+8>>2]=H[a+8>>2];oa(b);break a}za(e,H[c+12>>2],H[c+16>>2]);if(F[c+23|0]<0){oa(H[c+12>>2])}oa(b);break a}H[e>>2]=0;H[e+4>>2]=0;H[e+16>>2]=a;H[e+8>>2]=0;H[e+12>>2]=0}ca=c+80|0;a=H[f+24>>2];if(F[f+23|0]<0){oa(H[f+12>>2])}ca=f+32|0;return a|0}function Xd(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;k=ca-16|0;ca=k;H[k+8>>2]=c;h=H[a+12>>2];d=H[a+8>>2];g=h-d>>2;a:{if((g|0)>(b|0)){break a}e=b+1|0;if(e>>>0>g>>>0){l=e-g|0;f=H[a+16>>2];d=H[a+12>>2];if(l>>>0<=f-d>>2>>>0){if(l){e=d;d=l<<2;d=ra(e,0,d)+d|0}H[a+12>>2]=d;break a}b:{c:{d:{m=H[a+8>>2];g=d-m>>2;i=g+l|0;if(i>>>0<1073741824){e=f-m|0;f=e>>>1|0;e=e>>>0>=2147483644?1073741823:f>>>0>i>>>0?f:i;if(e){if(e>>>0>=1073741824){break d}j=pa(e<<2)}h=(g<<2)+j|0;f=l<<2;i=ra(h,0,f);g=f+i|0;e=(e<<2)+j|0;if((d|0)==(m|0)){break c}while(1){d=d-4|0;f=H[d>>2];H[d>>2]=0;h=h-4|0;H[h>>2]=f;if((d|0)!=(m|0)){continue}break}H[a+16>>2]=e;e=H[a+12>>2];H[a+12>>2]=g;d=H[a+8>>2];H[a+8>>2]=h;if((d|0)==(e|0)){break b}while(1){e=e-4|0;f=H[e>>2];H[e>>2]=0;if(f){Ga(f)}if((d|0)!=(e|0)){continue}break}break b}sa();v()}wa();v()}H[a+16>>2]=e;H[a+12>>2]=g;H[a+8>>2]=i}if(d){oa(d)}break a}if(e>>>0>=g>>>0){break a}d=d+(e<<2)|0;if((d|0)!=(h|0)){while(1){h=h-4|0;c=H[h>>2];H[h>>2]=0;if(c){Ga(c)}if((d|0)!=(h|0)){continue}break}c=H[k+8>>2]}H[a+12>>2]=d}e:{f:{d=H[c+56>>2];g:{if((d|0)>4){break g}j=N(d,12)+a|0;d=H[j+24>>2];if((d|0)!=H[j+28>>2]){H[d>>2]=b;H[j+24>>2]=d+4;break g}i=H[j+20>>2];g=d-i|0;f=g>>2;e=f+1|0;if(e>>>0>=1073741824){break f}d=g>>>1|0;e=g>>>0>=2147483644?1073741823:d>>>0>e>>>0?d:e;if(e){if(e>>>0>=1073741824){break e}d=pa(e<<2)}else{d=0}f=d+(f<<2)|0;H[f>>2]=b;d=va(d,i,g);H[j+20>>2]=d;H[j+24>>2]=f+4;H[j+28>>2]=d+(e<<2);if(!i){break g}oa(i)}H[c+60>>2]=b;a=H[a+8>>2];H[k+8>>2]=0;a=a+(b<<2)|0;b=H[a>>2];H[a>>2]=c;if(b){Ga(b)}a=H[k+8>>2];H[k+8>>2]=0;if(a){Ga(a)}ca=k+16|0;return}sa();v()}wa();v()}function Og(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;i=c;d=a;a:{if(H[a+12>>2]==(b|0)){break a}a=b;b=H[d+4>>2];e=H[d>>2];if((b|0)!=(e|0)){while(1){c=b-12|0;if(F[b-1|0]<0){oa(H[c>>2])}b=c;if((e|0)!=(b|0)){continue}break}}H[d+12>>2]=a;H[d+4>>2]=e;c=H[a>>2];j=a+4|0;if((c|0)==(j|0)){break a}while(1){a=H[d+4>>2];b:{if((a|0)!=H[d+8>>2]){c:{if(F[c+27|0]>=0){b=H[c+20>>2];H[a>>2]=H[c+16>>2];H[a+4>>2]=b;H[a+8>>2]=H[c+24>>2];break c}za(a,H[c+16>>2],H[c+20>>2])}H[d+4>>2]=a+12;break b}g=0;d:{e:{f:{a=H[d+4>>2];e=H[d>>2];f=(a-e|0)/12|0;b=f+1|0;if(b>>>0<357913942){h=(H[d+8>>2]-e|0)/12|0;k=h<<1;b=h>>>0>=178956970?357913941:b>>>0>>0?k:b;if(b){if(b>>>0>=357913942){break f}g=pa(N(b,12))}h=N(b,12);b=N(f,12)+g|0;g:{if(F[c+27|0]>=0){f=H[c+20>>2];H[b>>2]=H[c+16>>2];H[b+4>>2]=f;H[b+8>>2]=H[c+24>>2];break g}za(b,H[c+16>>2],H[c+20>>2]);e=H[d>>2];a=H[d+4>>2]}g=g+h|0;f=b+12|0;if((a|0)==(e|0)){break e}while(1){a=a-12|0;h=H[a+4>>2];b=b-12|0;H[b>>2]=H[a>>2];H[b+4>>2]=h;H[b+8>>2]=H[a+8>>2];H[a>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;if((a|0)!=(e|0)){continue}break}H[d+8>>2]=g;a=H[d+4>>2];H[d+4>>2]=f;e=H[d>>2];H[d>>2]=b;if((a|0)==(e|0)){break d}while(1){b=a-12|0;if(F[a-1|0]<0){oa(H[b>>2])}a=b;if((e|0)!=(b|0)){continue}break}break d}sa();v()}wa();v()}H[d+8>>2]=g;H[d+4>>2]=f;H[d>>2]=b}if(e){oa(e)}}b=H[c+4>>2];h:{if(b){while(1){a=b;b=H[b>>2];if(b){continue}break h}}while(1){a=H[c+8>>2];b=H[a>>2]!=(c|0);c=a;if(b){continue}break}}c=a;if((j|0)!=(a|0)){continue}break}}a=0;i:{if((i|0)<0){break i}b=H[d>>2];if((H[d+4>>2]-b|0)/12>>>0<=i>>>0){break i}a=b+N(i,12)|0;a=F[a+11|0]<0?H[a>>2]:a}return a|0}function bd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;i=ca-16|0;ca=i;H[i>>2]=b;f=-1;a:{if((b|0)==-1){H[i+4>>2]=-1;break a}f=b+1|0;H[i+4>>2]=(f>>>0)%3|0?f:b-2|0;if((b>>>0)%3|0){f=b-1|0;break a}f=b+2|0}H[i+8>>2]=f;n=(b>>>0)/3|0;b:{c:{d:{while(1){e:{f:{j=H[(l<<2)+i>>2];if((j|0)!=-1){f=H[H[H[a+8>>2]+12>>2]+(j<<2)>>2];if((f|0)!=-1){break f}}f=0;g=H[a+216>>2];if((g|0)==H[a+220>>2]){break e}while(1){g=N(f,144)+g|0;d=H[g+136>>2];c=H[g+140>>2];g:{if(d>>>0>>0){H[d>>2]=j;H[g+136>>2]=d+4;break g}e=d;d=H[g+132>>2];k=e-d|0;e=k>>2;h=e+1|0;if(h>>>0>=1073741824){break d}m=e<<2;c=c-d|0;e=c>>>1|0;h=c>>>0>=2147483644?1073741823:h>>>0>>0?e:h;if(h){if(h>>>0>=1073741824){break c}c=pa(h<<2)}else{c=0}e=m+c|0;H[e>>2]=j;c=va(c,d,k);H[g+132>>2]=c;H[g+136>>2]=e+4;H[g+140>>2]=c+(h<<2);if(!d){break g}oa(d)}f=f+1|0;g=H[a+216>>2];if(f>>>0<(H[a+220>>2]-g|0)/144>>>0){continue}break}break e}if((b|0)==-1|(f>>>0)/3>>>0>>0){break e}f=0;if(H[a+220>>2]==H[a+216>>2]){break e}while(1){h:{if(!Ba(H[a+368>>2]+(f<<4)|0)){break h}g=H[a+216>>2]+N(f,144)|0;d=H[g+136>>2];c=H[g+140>>2];if(d>>>0>>0){H[d>>2]=j;H[g+136>>2]=d+4;break h}e=d;d=H[g+132>>2];k=e-d|0;e=k>>2;h=e+1|0;if(h>>>0>=1073741824){break b}m=e<<2;c=c-d|0;e=c>>>1|0;h=c>>>0>=2147483644?1073741823:h>>>0>>0?e:h;if(h){if(h>>>0>=1073741824){break c}c=pa(h<<2)}else{c=0}e=m+c|0;H[e>>2]=j;c=va(c,d,k);H[g+132>>2]=c;H[g+136>>2]=e+4;H[g+140>>2]=c+(h<<2);if(!d){break h}oa(d)}f=f+1|0;if(f>>>0<(H[a+220>>2]-H[a+216>>2]|0)/144>>>0){continue}break}}l=l+1|0;if((l|0)!=3){continue}break}ca=i+16|0;return 1}sa();v()}wa();v()}sa();v()}function cd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;h=ca-16|0;ca=h;H[h>>2]=b;c=-1;a:{if((b|0)==-1){H[h+4>>2]=-1;break a}c=b+1|0;H[h+4>>2]=(c>>>0)%3|0?c:b-2|0;if((b>>>0)%3|0){c=b-1|0;break a}c=b+2|0}H[h+8>>2]=c;b:{c:{while(1){i=H[(k<<2)+h>>2];d:{if(!((i|0)==-1|H[H[H[a+8>>2]+12>>2]+(i<<2)>>2]==-1)){b=0;if(H[a+220>>2]==H[a+216>>2]){break d}while(1){e:{f:{if(!Ba(H[a+368>>2]+(b<<4)|0)){break f}c=H[a+216>>2]+N(b,144)|0;e=H[c+136>>2];d=H[c+140>>2];if(e>>>0>>0){H[e>>2]=i;H[c+136>>2]=e+4;break f}f=e;e=H[c+132>>2];j=f-e|0;f=j>>2;g=f+1|0;if(g>>>0>=1073741824){break e}l=f<<2;d=d-e|0;f=d>>>1|0;g=d>>>0>=2147483644?1073741823:g>>>0>>0?f:g;if(g){if(g>>>0>=1073741824){break b}d=pa(g<<2)}else{d=0}f=l+d|0;H[f>>2]=i;d=va(d,e,j);H[c+132>>2]=d;H[c+136>>2]=f+4;H[c+140>>2]=d+(g<<2);if(!e){break f}oa(e)}b=b+1|0;if(b>>>0<(H[a+220>>2]-H[a+216>>2]|0)/144>>>0){continue}break d}break}sa();v()}b=0;c=H[a+216>>2];if((c|0)==H[a+220>>2]){break d}while(1){c=N(b,144)+c|0;e=H[c+136>>2];d=H[c+140>>2];g:{if(e>>>0>>0){H[e>>2]=i;H[c+136>>2]=e+4;break g}f=e;e=H[c+132>>2];j=f-e|0;f=j>>2;g=f+1|0;if(g>>>0>=1073741824){break c}l=f<<2;d=d-e|0;f=d>>>1|0;g=d>>>0>=2147483644?1073741823:g>>>0>>0?f:g;if(g){if(g>>>0>=1073741824){break b}d=pa(g<<2)}else{d=0}f=l+d|0;H[f>>2]=i;d=va(d,e,j);H[c+132>>2]=d;H[c+136>>2]=f+4;H[c+140>>2]=d+(g<<2);if(!e){break g}oa(e)}b=b+1|0;c=H[a+216>>2];if(b>>>0<(H[a+220>>2]-c|0)/144>>>0){continue}break}}k=k+1|0;if((k|0)!=3){continue}break}ca=h+16|0;return 1}sa();v()}wa();v()}function vg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;m=ca-16|0;ca=m;l=H[b+80>>2];e=I[c+24|0];a=N(l,e);a:{b:{c:{d:{b=H[c+28>>2];if(!(!I[c+84|0]|(b|0)!=1&(b|0)!=2)){b=H[c+48>>2];c=H[H[c>>2]>>2];H[m+8>>2]=0;H[m>>2]=0;H[m+4>>2]=0;if(a){if((a|0)<0){break d}f=pa(a);h=qa(f,b+c|0,a)+a|0}a=H[d>>2];if(a){H[d+4>>2]=a;oa(a)}H[d+8>>2]=h;H[d+4>>2]=h;H[d>>2]=f;b=1;break a}if(e){f=pa(e);ra(f,0,e)}e:{i=H[d+4>>2];b=H[d>>2];g=i-b|0;f:{if(g>>>0>>0){k=a-g|0;j=H[d+8>>2];if(k>>>0<=j-i>>>0){n=d,o=ra(i,0,k)+k|0,H[n+4>>2]=o;break f}if((a|0)<0){break e}i=j-b|0;j=i<<1;i=i>>>0>=1073741823?2147483647:a>>>0>>0?j:a;j=pa(i);ra(j+g|0,0,k);g=va(j,b,g);H[d+8>>2]=g+i;H[d+4>>2]=a+g;H[d>>2]=g;if(!b){break f}oa(b);break f}if(a>>>0>=g>>>0){break f}H[d+4>>2]=a+b}if(!l){b=1;break c}if(!e){b=0;a=0;while(1){if(!ic(c,I[c+84|0]?a:H[H[c+68>>2]+(a<<2)>>2],F[c+24|0],f)){break c}a=a+1|0;b=l>>>0<=a>>>0;if((a|0)!=(l|0)){continue}break}break c}i=e&252;g=e&3;b=0;j=e>>>0<4;e=0;while(1){if(!ic(c,I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],F[c+24|0],f)){break c}b=0;a=0;k=0;if(!j){while(1){F[H[d>>2]+h|0]=I[a+f|0];F[(H[d>>2]+h|0)+1|0]=I[(a|1)+f|0];F[(H[d>>2]+h|0)+2|0]=I[(a|2)+f|0];F[(H[d>>2]+h|0)+3|0]=I[(a|3)+f|0];a=a+4|0;h=h+4|0;k=k+4|0;if((i|0)!=(k|0)){continue}break}}if(g){while(1){F[H[d>>2]+h|0]=I[a+f|0];a=a+1|0;h=h+1|0;b=b+1|0;if((g|0)!=(b|0)){continue}break}}e=e+1|0;b=l>>>0<=e>>>0;if((e|0)!=(l|0)){continue}break}break b}sa();v()}sa();v()}if(!f){break a}}oa(f)}ca=m+16|0;return b&1}function ug(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;m=ca-16|0;ca=m;l=H[b+80>>2];e=I[c+24|0];a=N(l,e);a:{b:{c:{d:{b=H[c+28>>2];if(!(!I[c+84|0]|(b|0)!=1&(b|0)!=2)){b=H[c+48>>2];c=H[H[c>>2]>>2];H[m+8>>2]=0;H[m>>2]=0;H[m+4>>2]=0;if(a){if((a|0)<0){break d}f=pa(a);h=qa(f,b+c|0,a)+a|0}a=H[d>>2];if(a){H[d+4>>2]=a;oa(a)}H[d+8>>2]=h;H[d+4>>2]=h;H[d>>2]=f;b=1;break a}if(e){f=pa(e);ra(f,0,e)}e:{i=H[d+4>>2];b=H[d>>2];g=i-b|0;f:{if(g>>>0>>0){k=a-g|0;j=H[d+8>>2];if(k>>>0<=j-i>>>0){n=d,o=ra(i,0,k)+k|0,H[n+4>>2]=o;break f}if((a|0)<0){break e}i=j-b|0;j=i<<1;i=i>>>0>=1073741823?2147483647:a>>>0>>0?j:a;j=pa(i);ra(j+g|0,0,k);g=va(j,b,g);H[d+8>>2]=g+i;H[d+4>>2]=a+g;H[d>>2]=g;if(!b){break f}oa(b);break f}if(a>>>0>=g>>>0){break f}H[d+4>>2]=a+b}if(!l){b=1;break c}if(!e){b=0;a=0;while(1){if(!hc(c,I[c+84|0]?a:H[H[c+68>>2]+(a<<2)>>2],F[c+24|0],f)){break c}a=a+1|0;b=l>>>0<=a>>>0;if((a|0)!=(l|0)){continue}break}break c}i=e&252;g=e&3;b=0;j=e>>>0<4;e=0;while(1){if(!hc(c,I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],F[c+24|0],f)){break c}b=0;a=0;k=0;if(!j){while(1){F[H[d>>2]+h|0]=I[a+f|0];F[(H[d>>2]+h|0)+1|0]=I[(a|1)+f|0];F[(H[d>>2]+h|0)+2|0]=I[(a|2)+f|0];F[(H[d>>2]+h|0)+3|0]=I[(a|3)+f|0];a=a+4|0;h=h+4|0;k=k+4|0;if((i|0)!=(k|0)){continue}break}}if(g){while(1){F[H[d>>2]+h|0]=I[a+f|0];a=a+1|0;h=h+1|0;b=b+1|0;if((g|0)!=(b|0)){continue}break}}e=e+1|0;b=l>>>0<=e>>>0;if((e|0)!=(l|0)){continue}break}break b}sa();v()}sa();v()}if(!f){break a}}oa(f)}ca=m+16|0;return b&1}function qc(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;k=H[b+16>>2];h=H[c+4>>2]-k|0;e=H[c>>2]-k|0;H[c>>2]=e;f=h;H[c+4>>2]=f;l=H[b+16>>2];f=f>>31;g=(h^f)-f|0;f=e>>31;m=l>>>0>=g+((f^e)-f|0)>>>0;a:{if(m){f=h;break a}b:{c:{if((e|0)>=0){g=1;j=1;if((h|0)>=0){break b}i=1;g=-1;j=-1;if(e){break c}break b}i=-1;g=-1;j=-1;if((h|0)<=0){break b}}g=(h|0)<=0?-1:1;j=i}n=N(j,l);f=(e<<1)-n|0;i=(N(g,j)|0)>=0;e=N(g,l);f=((i?0-f|0:f)+e|0)/2|0;H[c+4>>2]=f;e=(h<<1)-e|0;e=((i?0-e|0:e)+n|0)/2|0;H[c>>2]=e}d:{e:{f:{g:{h:{i:{j:{if(e){if((e|0)<0){break j}if((f|0)>=0){break i}break f}if(f){break h}j=1;g=0;f=0;i=0;break d}j=1;if((f|0)>0){break g}i=(f|0)>0?3:0;g=f;f=e;break d}g=0-f|0;f=0-e|0;i=2;break e}if((f|0)<=0){break f}}f=0-f|0;g=e;i=3;break e}g=0-e|0;i=1}H[c>>2]=f;H[c+4>>2]=g;j=0}e=H[d>>2]+f|0;h=H[b+16>>2];k:{if((e|0)>(h|0)){e=e-H[b+4>>2]|0;break k}if((0-h|0)<=(e|0)){break k}e=H[b+4>>2]+e|0}c=H[d+4>>2]+g|0;l:{if((h|0)<(c|0)){c=c-H[b+4>>2]|0;break l}if((0-h|0)<=(c|0)){break l}c=H[b+4>>2]+c|0}m:{if(j){b=c;break m}b=c;n:{o:{p:{d=4-i|0;switch((d>>>0<4?d:0-i|0)-1|0){case 2:break n;case 1:break o;case 0:break p;default:break m}}b=0-e|0;e=c;break m}b=0-c|0;e=0-e|0;break m}b=e;e=0-c|0}q:{if(m){c=b;break q}r:{s:{if((e|0)>=0){c=1;f=1;if((b|0)>=0){break r}d=1;c=-1;f=-1;if(e){break s}break r}d=-1;c=-1;f=-1;if((b|0)<=0){break r}}c=(b|0)<=0?-1:1;f=d}d=e<<1;e=N(f,h);d=d-e|0;f=(N(c,f)|0)>=0;g=f?0-d|0:d;d=N(c,h);c=(g+d|0)/2|0;b=(b<<1)-d|0;e=(e+(f?0-b|0:b)|0)/2|0}b=a;H[b>>2]=e+k;H[b+4>>2]=c+k}function Cj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;j=ca-32|0;ca=j;H[j+28>>2]=0;a:{b:{if(J[b+38>>1]<=513){c=H[b+20>>2];d=H[b+16>>2];e=d+4|0;c=e>>>0<4?c+1|0:c;h=H[b+12>>2];if(K[b+8>>2]>>0&(h|0)<=(c|0)|(c|0)>(h|0)){break a}d=d+H[b>>2]|0;f=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;break b}if(!Xa(1,j+28|0,b)){break a}f=H[j+28>>2]}if(!f){break a}c=H[H[a+48>>2]+64>>2];if(H[c+4>>2]-H[c>>2]>>2>>>0>>0){break a}Wa(a+76|0,f);c=j+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c:{if(!ta(c,b)){break c}h=1;while(1){d=1<>2]+(i>>>3&536870908)|0;e=e^h;if(e&1){d=H[g>>2]&(d^-1)}else{d=d|H[g>>2]}h=e^1;H[g>>2]=d;i=i+1|0;if((f|0)!=(i|0)){continue}break}c=H[b+8>>2];e=H[b+12>>2];g=e;e=H[b+20>>2];h=e;f=H[b+16>>2];d=f+4|0;e=d>>>0<4?e+1|0:e;i=d;if(d>>>0>c>>>0&(e|0)>=(g|0)|(e|0)>(g|0)){break c}l=H[b>>2];d=l+f|0;k=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=i;H[b+20>>2]=e;d=c;c=h;e=f+8|0;c=e>>>0<8?c+1|0:c;if(d>>>0>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break c}d=i+l|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;if((d|0)<(k|0)){break c}H[a+16>>2]=d;H[a+12>>2]=k;c=(d>>31)-((k>>31)+(d>>>0>>0)|0)|0;b=d-k|0;if(!c&b>>>0>2147483646|c){break c}m=1;c=b+1|0;H[a+20>>2]=c;b=c>>>1|0;H[a+24>>2]=b;H[a+28>>2]=0-b;if(c&1){break c}H[a+24>>2]=b-1}}ca=j+32|0;return m|0}function lj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;j=ca-32|0;ca=j;H[j+28>>2]=0;a:{b:{if(J[b+38>>1]<=513){c=H[b+20>>2];d=H[b+16>>2];e=d+4|0;c=e>>>0<4?c+1|0:c;h=H[b+12>>2];if(K[b+8>>2]>>0&(h|0)<=(c|0)|(c|0)>(h|0)){break a}d=d+H[b>>2]|0;f=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;break b}if(!Xa(1,j+28|0,b)){break a}f=H[j+28>>2]}if(!f){break a}c=H[a+48>>2];if(H[c+4>>2]-H[c>>2]>>2>>>0>>0){break a}Wa(a+76|0,f);c=j+8|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;c:{if(!ta(c,b)){break c}h=1;while(1){d=1<>2]+(i>>>3&536870908)|0;e=e^h;if(e&1){d=H[g>>2]&(d^-1)}else{d=d|H[g>>2]}h=e^1;H[g>>2]=d;i=i+1|0;if((f|0)!=(i|0)){continue}break}c=H[b+8>>2];e=H[b+12>>2];g=e;e=H[b+20>>2];h=e;f=H[b+16>>2];d=f+4|0;e=d>>>0<4?e+1|0:e;i=d;if(d>>>0>c>>>0&(e|0)>=(g|0)|(e|0)>(g|0)){break c}l=H[b>>2];d=l+f|0;k=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=i;H[b+20>>2]=e;d=c;c=h;e=f+8|0;c=e>>>0<8?c+1|0:c;if(d>>>0>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break c}d=i+l|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;if((d|0)<(k|0)){break c}H[a+16>>2]=d;H[a+12>>2]=k;c=(d>>31)-((k>>31)+(d>>>0>>0)|0)|0;b=d-k|0;if(!c&b>>>0>2147483646|c){break c}m=1;c=b+1|0;H[a+20>>2]=c;b=c>>>1|0;H[a+24>>2]=b;H[a+28>>2]=0-b;if(c&1){break c}H[a+24>>2]=b-1}}ca=j+32|0;return m|0}function cj(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;H[a+8>>2]=e;m=a+32|0;h=H[m>>2];g=H[a+36>>2]-h>>2;a:{if(g>>>0>>0){ya(m,e-g|0);f=H[a+8>>2];break a}f=e;if(f>>>0>=g>>>0){break a}H[a+36>>2]=h+(e<<2);f=e}g=e>>>0>1073741823?-1:e<<2;n=ra(pa(g),0,g);b:{if((f|0)<=0){break b}h=H[a+32>>2];while(1){f=i<<2;g=H[f+n>>2];j=H[a+16>>2];c:{if((g|0)>(j|0)){H[f+h>>2]=j;break c}f=f+h|0;j=H[a+12>>2];if((j|0)>(g|0)){H[f>>2]=j;break c}H[f>>2]=g}f=H[a+8>>2];i=i+1|0;if((f|0)>(i|0)){continue}break}if((f|0)<=0){break b}i=0;while(1){g=i<<2;f=g+c|0;g=H[b+g>>2]+H[g+h>>2]|0;H[f>>2]=g;d:{if((g|0)>H[a+16>>2]){g=g-H[a+20>>2]|0}else{if((g|0)>=H[a+12>>2]){break d}g=g+H[a+20>>2]|0}H[f>>2]=g}f=H[a+8>>2];i=i+1|0;if((f|0)>(i|0)){continue}break}}if(!((d|0)<=(e|0)|(f|0)<=0)){p=0-e<<2;g=e;while(1){e:{if((f|0)<=0){break e}l=g<<2;o=l+c|0;q=o+p|0;j=H[m>>2];i=0;while(1){f=i<<2;h=H[f+q>>2];k=H[a+16>>2];f:{if((h|0)>(k|0)){H[f+j>>2]=k;break f}f=f+j|0;k=H[a+12>>2];if((k|0)>(h|0)){H[f>>2]=k;break f}H[f>>2]=h}f=H[a+8>>2];i=i+1|0;if((f|0)>(i|0)){continue}break}i=0;if((f|0)<=0){break e}l=b+l|0;while(1){h=i<<2;f=h+o|0;h=H[h+l>>2]+H[h+j>>2]|0;H[f>>2]=h;g:{if((h|0)>H[a+16>>2]){h=h-H[a+20>>2]|0}else{if((h|0)>=H[a+12>>2]){break g}h=h+H[a+20>>2]|0}H[f>>2]=h}f=H[a+8>>2];i=i+1|0;if((f|0)>(i|0)){continue}break}}g=e+g|0;if((g|0)<(d|0)){continue}break}}oa(n);return 1}function De(a,b){var c=0,d=0,e=0,f=0,g=0;d=-1;f=-1;a:{if((b|0)==-1){break a}c=b+1|0;d=(c>>>0)%3|0?c:b-2|0;f=b-1|0;if((b>>>0)%3|0){break a}f=b+2|0}b:{c:{d:{e:{f:{g:{e=H[a+184>>2];switch(e|0){case 7:break d;case 3:break e;case 5:break f;case 0:case 1:break g;default:break b}}g=H[a+148>>2];c=-1;e=1;d=((d|0)!=-1?H[H[g>>2]+(d<<2)>>2]:c)<<2;c=H[a+156>>2];d=d+c|0;H[d>>2]=H[d>>2]+1;c=(((f|0)==-1?-1:H[H[g>>2]+(f<<2)>>2])<<2)+c|0;break c}g=H[a+148>>2];c=H[a+156>>2];e=c+(((b|0)==-1?-1:H[H[g>>2]+(b<<2)>>2])<<2)|0;H[e>>2]=H[e>>2]+1;d=(((d|0)==-1?-1:H[H[g>>2]+(d<<2)>>2])<<2)+c|0;H[d>>2]=H[d>>2]+1;e=2;c=(((f|0)==-1?-1:H[H[g>>2]+(f<<2)>>2])<<2)+c|0;break c}g=H[a+148>>2];c=H[a+156>>2];e=c+(((b|0)==-1?-1:H[H[g>>2]+(b<<2)>>2])<<2)|0;H[e>>2]=H[e>>2]+1;d=(((d|0)==-1?-1:H[H[g>>2]+(d<<2)>>2])<<2)+c|0;H[d>>2]=H[d>>2]+2;e=1;c=(((f|0)==-1?-1:H[H[g>>2]+(f<<2)>>2])<<2)+c|0;break c}g=H[a+148>>2];c=H[a+156>>2];e=c+(((b|0)==-1?-1:H[H[g>>2]+(b<<2)>>2])<<2)|0;H[e>>2]=H[e>>2]+2;d=(((d|0)==-1?-1:H[H[g>>2]+(d<<2)>>2])<<2)+c|0;H[d>>2]=H[d>>2]+2;e=2;c=(((f|0)==-1?-1:H[H[g>>2]+(f<<2)>>2])<<2)+c|0}H[c>>2]=H[c>>2]+e;e=H[a+184>>2]}h:{switch(e|0){case 0:case 5:f=H[a+156>>2];c=-1;i:{if((b|0)==-1){break i}d=b+1|0;b=(d>>>0)%3|0?d:b-2|0;c=-1;if((b|0)==-1){break i}c=H[H[H[a+148>>2]>>2]+(b<<2)>>2]}if(H[f+(c<<2)>>2]<=5){H[a+188>>2]=5;return}H[a+188>>2]=0;return;default:break h}}H[a+188>>2]=-1}function xg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;j=H[b+80>>2];b=I[c+24|0];g=N(j,b);a:{if(!b){break a}h=b<<2;f=pa(h);a=f;k=b&7;if(k){while(1){H[a>>2]=-1073741824;a=a+4|0;e=e+1|0;if((k|0)!=(e|0)){continue}break}}if((b-1&1073741823)>>>0<7){break a}e=f+h|0;while(1){H[a+24>>2]=-1073741824;H[a+28>>2]=-1073741824;H[a+16>>2]=-1073741824;H[a+20>>2]=-1073741824;H[a+8>>2]=-1073741824;H[a+12>>2]=-1073741824;H[a>>2]=-1073741824;H[a+4>>2]=-1073741824;a=a+32|0;if((e|0)!=(a|0)){continue}break}}e=H[d>>2];a=H[d+4>>2]-e>>2;b:{if(a>>>0>>0){ya(d,g-a|0);break b}if(a>>>0<=g>>>0){break b}H[d+4>>2]=e+(g<<2)}c:{d:{e:{if(!j){i=1;break e}if(!b){a=0;while(1){if(!Va(c,I[c+84|0]?a:H[H[c+68>>2]+(a<<2)>>2],F[c+24|0],f)){break e}a=a+1|0;i=j>>>0<=a>>>0;if((a|0)!=(j|0)){continue}break}break e}n=b&252;k=b&3;o=b>>>0<4;e=0;b=0;while(1){if(!Va(c,I[c+84|0]?b:H[H[c+68>>2]+(b<<2)>>2],F[c+24|0],f)){break e}m=H[d>>2];i=0;a=0;l=0;if(!o){while(1){g=(e<<2)+m|0;h=a<<2;L[g>>2]=L[h+f>>2];L[g+4>>2]=L[(h|4)+f>>2];L[g+8>>2]=L[(h|8)+f>>2];L[g+12>>2]=L[(h|12)+f>>2];a=a+4|0;e=e+4|0;l=l+4|0;if((n|0)!=(l|0)){continue}break}}if(k){while(1){L[(e<<2)+m>>2]=L[(a<<2)+f>>2];a=a+1|0;e=e+1|0;i=i+1|0;if((k|0)!=(i|0)){continue}break}}b=b+1|0;i=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break d}if(!f){break c}}oa(f)}return i|0}function mf(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;e=ca-16|0;ca=e;h=1;i=ea[H[H[a>>2]+24>>2]](a)|0;a:{if((i|0)<=0){break a}l=a+48|0;h=0;while(1){b:{c:{if(!H[(ea[H[H[a>>2]+28>>2]](a)|0)+40>>2]){break c}j=f<<2;g=H[j+H[a+36>>2]>>2];b=H[g+8>>2];k=rb(g);if(!k){break c}g=H[(ea[H[H[a>>2]+28>>2]](a)|0)+40>>2];H[e+12>>2]=H[b+56>>2];b=pa(32);H[e>>2]=b;H[e+4>>2]=24;H[e+8>>2]=-2147483616;c=I[1206]|I[1207]<<8|(I[1208]<<16|I[1209]<<24);d=I[1202]|I[1203]<<8|(I[1204]<<16|I[1205]<<24);F[b+16|0]=d;F[b+17|0]=d>>>8;F[b+18|0]=d>>>16;F[b+19|0]=d>>>24;F[b+20|0]=c;F[b+21|0]=c>>>8;F[b+22|0]=c>>>16;F[b+23|0]=c>>>24;c=I[1198]|I[1199]<<8|(I[1200]<<16|I[1201]<<24);d=I[1194]|I[1195]<<8|(I[1196]<<16|I[1197]<<24);F[b+8|0]=d;F[b+9|0]=d>>>8;F[b+10|0]=d>>>16;F[b+11|0]=d>>>24;F[b+12|0]=c;F[b+13|0]=c>>>8;F[b+14|0]=c>>>16;F[b+15|0]=c>>>24;c=I[1190]|I[1191]<<8|(I[1192]<<16|I[1193]<<24);d=I[1186]|I[1187]<<8|(I[1188]<<16|I[1189]<<24);F[b|0]=d;F[b+1|0]=d>>>8;F[b+2|0]=d>>>16;F[b+3|0]=d>>>24;F[b+4|0]=c;F[b+5|0]=c>>>8;F[b+6|0]=c>>>16;F[b+7|0]=c>>>24;F[b+24|0]=0;b=sd(g,e+12|0,e);if(F[e+11|0]<0){oa(H[e>>2])}if(!b){break c}oe(H[H[H[a+36>>2]+j>>2]+8>>2],k);break b}b=H[H[a+36>>2]+(f<<2)>>2];if(!(ea[H[H[b>>2]+24>>2]](b,l)|0)){break a}}f=f+1|0;h=(i|0)<=(f|0);if((f|0)!=(i|0)){continue}break}}ca=e+16|0;return h|0}function Ye(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;k=ca-16|0;ca=k;c=H[b+20>>2];d=H[b+16>>2];e=d+4|0;c=e>>>0<4?c+1|0:c;g=H[b+12>>2];a:{if(K[b+8>>2]>>0&(g|0)<=(c|0)|(c|0)>(g|0)){break a}d=d+H[b>>2]|0;h=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;if((h|0)<0){break a}Wa(a+76|0,h);c=k;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;b:{if(!ta(c,b)){break b}if(h){g=1;while(1){d=1<>2]+(i>>>3&536870908)|0;e=e^g;if(e&1){d=H[f>>2]&(d^-1)}else{d=d|H[f>>2]}g=e^1;H[f>>2]=d;i=i+1|0;if((h|0)!=(i|0)){continue}break}}i=0;c=H[b+8>>2];e=H[b+12>>2];f=e;e=H[b+20>>2];g=e;l=H[b+16>>2];d=l+4|0;e=d>>>0<4?e+1|0:e;h=d;if(d>>>0>c>>>0&(e|0)>=(f|0)|(e|0)>(f|0)){break b}m=H[b>>2];d=m+l|0;j=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=h;H[b+20>>2]=e;d=c;c=g;e=l+8|0;c=e>>>0<8?c+1|0:c;if(d>>>0>>0&(c|0)>=(f|0)|(c|0)>(f|0)){break b}d=h+m|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;if((d|0)<(j|0)){break b}H[a+16>>2]=d;H[a+12>>2]=j;c=(d>>31)-((j>>31)+(d>>>0>>0)|0)|0;b=d-j|0;if(!c&b>>>0>2147483646|c){break b}i=1;c=b+1|0;H[a+20>>2]=c;b=c>>>1|0;H[a+24>>2]=b;H[a+28>>2]=0-b;if(c&1){break b}H[a+24>>2]=b-1}}ca=k+16|0;return i|0}function rg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;a=0;k=ca-16|0;ca=k;j=H[b+80>>2];e=I[c+24|0];b=N(j,e);a:{b:{c:{d:{f=H[c+28>>2];if(!(!I[c+84|0]|(f|0)!=5&(f|0)!=6)){e=H[c+48>>2];c=H[H[c>>2]>>2];H[k+8>>2]=0;H[k>>2]=0;H[k+4>>2]=0;if(b){if((b|0)<0){break d}b=b<<2;a=pa(b);g=qa(a,c+e|0,b)+b|0}b=H[d>>2];if(b){H[d+4>>2]=b;oa(b)}H[d+8>>2]=g;H[d+4>>2]=g;H[d>>2]=a;h=1;break a}if(e){f=e<<2;a=pa(f);ra(a,0,f)}i=H[d>>2];f=H[d+4>>2]-i>>2;e:{if(f>>>0>>0){ya(d,b-f|0);break e}if(b>>>0>=f>>>0){break e}H[d+4>>2]=i+(b<<2)}if(!j){h=1;break c}if(!e){b=0;while(1){if(!dc(c,I[c+84|0]?b:H[H[c+68>>2]+(b<<2)>>2],F[c+24|0],a)){break c}b=b+1|0;h=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break c}o=e&252;m=e&3;p=e>>>0<4;e=0;while(1){if(!dc(c,I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],F[c+24|0],a)){break c}n=H[d>>2];l=0;b=0;h=0;if(!p){while(1){f=(g<<2)+n|0;i=b<<2;H[f>>2]=H[i+a>>2];H[f+4>>2]=H[(i|4)+a>>2];H[f+8>>2]=H[(i|8)+a>>2];H[f+12>>2]=H[(i|12)+a>>2];b=b+4|0;g=g+4|0;h=h+4|0;if((o|0)!=(h|0)){continue}break}}if(m){while(1){H[(g<<2)+n>>2]=H[(b<<2)+a>>2];b=b+1|0;g=g+1|0;l=l+1|0;if((l|0)!=(m|0)){continue}break}}e=e+1|0;h=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}break b}sa();v()}if(!a){break a}}oa(a)}ca=k+16|0;return h|0}function ge(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;a=0;k=ca-16|0;ca=k;j=H[b+80>>2];e=I[c+24|0];b=N(j,e);a:{b:{c:{d:{f=H[c+28>>2];if(!(!I[c+84|0]|(f|0)!=5&(f|0)!=6)){e=H[c+48>>2];c=H[H[c>>2]>>2];H[k+8>>2]=0;H[k>>2]=0;H[k+4>>2]=0;if(b){if((b|0)<0){break d}b=b<<2;a=pa(b);g=qa(a,c+e|0,b)+b|0}b=H[d>>2];if(b){H[d+4>>2]=b;oa(b)}H[d+8>>2]=g;H[d+4>>2]=g;H[d>>2]=a;h=1;break a}if(e){f=e<<2;a=pa(f);ra(a,0,f)}i=H[d>>2];f=H[d+4>>2]-i>>2;e:{if(f>>>0>>0){ya(d,b-f|0);break e}if(b>>>0>=f>>>0){break e}H[d+4>>2]=i+(b<<2)}if(!j){h=1;break c}if(!e){b=0;while(1){if(!ec(c,I[c+84|0]?b:H[H[c+68>>2]+(b<<2)>>2],F[c+24|0],a)){break c}b=b+1|0;h=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break c}o=e&252;m=e&3;p=e>>>0<4;e=0;while(1){if(!ec(c,I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],F[c+24|0],a)){break c}n=H[d>>2];l=0;b=0;h=0;if(!p){while(1){f=(g<<2)+n|0;i=b<<2;H[f>>2]=H[i+a>>2];H[f+4>>2]=H[(i|4)+a>>2];H[f+8>>2]=H[(i|8)+a>>2];H[f+12>>2]=H[(i|12)+a>>2];b=b+4|0;g=g+4|0;h=h+4|0;if((o|0)!=(h|0)){continue}break}}if(m){while(1){H[(g<<2)+n>>2]=H[(b<<2)+a>>2];b=b+1|0;g=g+1|0;l=l+1|0;if((l|0)!=(m|0)){continue}break}}e=e+1|0;h=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}break b}sa();v()}if(!a){break a}}oa(a)}ca=k+16|0;return h|0}function tg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;a=0;k=ca-16|0;ca=k;j=H[b+80>>2];e=I[c+24|0];b=N(j,e);a:{b:{c:{d:{f=H[c+28>>2];if(!(!I[c+84|0]|(f|0)!=3&(f|0)!=4)){e=H[c+48>>2];c=H[H[c>>2]>>2];H[k+8>>2]=0;H[k>>2]=0;H[k+4>>2]=0;if(b){if((b|0)<0){break d}b=b<<1;a=pa(b);g=qa(a,c+e|0,b)+b|0}b=H[d>>2];if(b){H[d+4>>2]=b;oa(b)}H[d+8>>2]=g;H[d+4>>2]=g;H[d>>2]=a;h=1;break a}if(e){f=e<<1;a=pa(f);ra(a,0,f)}i=H[d>>2];f=H[d+4>>2]-i>>1;e:{if(f>>>0>>0){qe(d,b-f|0);break e}if(b>>>0>=f>>>0){break e}H[d+4>>2]=i+(b<<1)}if(!j){h=1;break c}if(!e){b=0;while(1){if(!gc(c,I[c+84|0]?b:H[H[c+68>>2]+(b<<2)>>2],F[c+24|0],a)){break c}b=b+1|0;h=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break c}o=e&252;m=e&3;p=e>>>0<4;e=0;while(1){if(!gc(c,I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],F[c+24|0],a)){break c}n=H[d>>2];l=0;b=0;h=0;if(!p){while(1){f=(g<<1)+n|0;i=b<<1;G[f>>1]=J[i+a>>1];G[f+2>>1]=J[(i|2)+a>>1];G[f+4>>1]=J[(i|4)+a>>1];G[f+6>>1]=J[(i|6)+a>>1];b=b+4|0;g=g+4|0;h=h+4|0;if((o|0)!=(h|0)){continue}break}}if(m){while(1){G[(g<<1)+n>>1]=J[(b<<1)+a>>1];b=b+1|0;g=g+1|0;l=l+1|0;if((l|0)!=(m|0)){continue}break}}e=e+1|0;h=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}break b}sa();v()}if(!a){break a}}oa(a)}ca=k+16|0;return h|0}function sg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;a=0;k=ca-16|0;ca=k;j=H[b+80>>2];e=I[c+24|0];b=N(j,e);a:{b:{c:{d:{f=H[c+28>>2];if(!(!I[c+84|0]|(f|0)!=3&(f|0)!=4)){e=H[c+48>>2];c=H[H[c>>2]>>2];H[k+8>>2]=0;H[k>>2]=0;H[k+4>>2]=0;if(b){if((b|0)<0){break d}b=b<<1;a=pa(b);g=qa(a,c+e|0,b)+b|0}b=H[d>>2];if(b){H[d+4>>2]=b;oa(b)}H[d+8>>2]=g;H[d+4>>2]=g;H[d>>2]=a;h=1;break a}if(e){f=e<<1;a=pa(f);ra(a,0,f)}i=H[d>>2];f=H[d+4>>2]-i>>1;e:{if(f>>>0>>0){qe(d,b-f|0);break e}if(b>>>0>=f>>>0){break e}H[d+4>>2]=i+(b<<1)}if(!j){h=1;break c}if(!e){b=0;while(1){if(!fc(c,I[c+84|0]?b:H[H[c+68>>2]+(b<<2)>>2],F[c+24|0],a)){break c}b=b+1|0;h=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break c}o=e&252;m=e&3;p=e>>>0<4;e=0;while(1){if(!fc(c,I[c+84|0]?e:H[H[c+68>>2]+(e<<2)>>2],F[c+24|0],a)){break c}n=H[d>>2];l=0;b=0;h=0;if(!p){while(1){f=(g<<1)+n|0;i=b<<1;G[f>>1]=J[i+a>>1];G[f+2>>1]=J[(i|2)+a>>1];G[f+4>>1]=J[(i|4)+a>>1];G[f+6>>1]=J[(i|6)+a>>1];b=b+4|0;g=g+4|0;h=h+4|0;if((o|0)!=(h|0)){continue}break}}if(m){while(1){G[(g<<1)+n>>1]=J[(b<<1)+a>>1];b=b+1|0;g=g+1|0;l=l+1|0;if((l|0)!=(m|0)){continue}break}}e=e+1|0;h=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}break b}sa();v()}if(!a){break a}}oa(a)}ca=k+16|0;return h|0}function Ce(a,b){var c=0,d=0,e=0,f=0,g=0;f=-1;d=-1;a:{if((b|0)==-1){break a}d=b+1|0;f=(d>>>0)%3|0?d:b-2|0;d=b-1|0;if((b>>>0)%3|0){break a}d=b+2|0}b:{c:{d:{switch(H[a+168>>2]){case 0:case 1:e=H[a+148>>2];c=1;b=H[a+156>>2];g=b+(((f|0)==-1?-1:H[H[e>>2]+(f<<2)>>2])<<2)|0;H[g>>2]=H[g>>2]+1;b=(((d|0)==-1?-1:H[H[e>>2]+(d<<2)>>2])<<2)+b|0;break c;case 5:e=H[a+148>>2];c=-1;c=((b|0)!=-1?H[H[e>>2]+(b<<2)>>2]:c)<<2;b=H[a+156>>2];c=c+b|0;H[c>>2]=H[c>>2]+1;c=(((f|0)==-1?-1:H[H[e>>2]+(f<<2)>>2])<<2)+b|0;H[c>>2]=H[c>>2]+1;c=2;b=(((d|0)==-1?-1:H[H[e>>2]+(d<<2)>>2])<<2)+b|0;break c;case 3:e=H[a+148>>2];c=-1;c=((b|0)!=-1?H[H[e>>2]+(b<<2)>>2]:c)<<2;b=H[a+156>>2];c=c+b|0;H[c>>2]=H[c>>2]+1;c=(((f|0)==-1?-1:H[H[e>>2]+(f<<2)>>2])<<2)+b|0;H[c>>2]=H[c>>2]+2;c=1;b=(((d|0)==-1?-1:H[H[e>>2]+(d<<2)>>2])<<2)+b|0;break c;case 7:break d;default:break b}}e=H[a+148>>2];c=-1;c=((b|0)!=-1?H[H[e>>2]+(b<<2)>>2]:c)<<2;b=H[a+156>>2];c=c+b|0;H[c>>2]=H[c>>2]+2;c=(((f|0)==-1?-1:H[H[e>>2]+(f<<2)>>2])<<2)+b|0;H[c>>2]=H[c>>2]+2;c=2;b=(((d|0)==-1?-1:H[H[e>>2]+(d<<2)>>2])<<2)+b|0}H[b>>2]=H[b>>2]+c}c=a;b=H[H[a+156>>2]+(((f|0)==-1?-1:H[H[H[a+148>>2]>>2]+(f<<2)>>2])<<2)>>2];d=H[a+180>>2];a=H[a+176>>2];H[c+172>>2]=(a|0)<=(b|0)?((b|0)<(d|0)?b:d)-a|0:0}function Ac(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;H[a+16>>2]=0;H[a+20>>2]=0;H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;H[a+24>>2]=0;f=H[b+4>>2];g=H[b>>2];e=f-g|0;c=(e|0)/20|0;a:{if((f|0)==(g|0)){break a}b:{if(c>>>0<214748365){f=pa(e);H[a+20>>2]=f;H[a+16>>2]=f;H[a+24>>2]=f+N(c,20);c=H[b>>2];g=H[b+4>>2];if((c|0)==(g|0)){break a}b=f;while(1){e=H[c+4>>2];H[b>>2]=H[c>>2];H[b+4>>2]=e;H[b+16>>2]=H[c+16>>2];e=H[c+12>>2];H[b+8>>2]=H[c+8>>2];H[b+12>>2]=e;b=b+20|0;c=c+20|0;if((g|0)!=(c|0)){continue}break}g=0;H[a+28>>2]=0;H[a+20>>2]=b;if((b|0)!=(f|0)){b=(b-f|0)/20|0;e=b>>>0<=1?1:b;h=e&3;b=0;c=0;if(e-1>>>0>=3){i=e&-4;e=0;while(1){d=f+N(b,20)|0;d=N(H[d+16>>2],H[d+12>>2]);c=c>>>0>d>>>0?c:d;d=f+N(b|1,20)|0;d=N(H[d+16>>2],H[d+12>>2]);c=c>>>0>d>>>0?c:d;d=f+N(b|2,20)|0;d=N(H[d+16>>2],H[d+12>>2]);c=c>>>0>d>>>0?c:d;d=f+N(b|3,20)|0;d=N(H[d+16>>2],H[d+12>>2]);c=c>>>0>d>>>0?c:d;b=b+4|0;e=e+4|0;if((i|0)!=(e|0)){continue}break}}if(h){while(1){e=f+N(b,20)|0;e=N(H[e+16>>2],H[e+12>>2]);c=c>>>0>e>>>0?c:e;b=b+1|0;g=g+1|0;if((h|0)!=(g|0)){continue}break}}if(!c){H[a+12>>2]=0;return a}if((c|0)<0){break b}g=pa(c);b=ra(g,0,c);f=b+c|0;H[a+8>>2]=f;H[a+4>>2]=f;H[a>>2]=b}H[a+12>>2]=g;return a}sa();v()}sa();v()}H[a+28>>2]=0;H[a+12>>2]=0;return a}function Dh(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;a:{b=H[a+32>>2];f=H[b+8>>2];h=H[b+12>>2];g=H[b+20>>2];c=H[b+16>>2];e=0;b:{if((h|0)<=(g|0)&c>>>0>=f>>>0|(g|0)>(h|0)){break b}f=I[H[b>>2]+c|0];e=b;b=g;c=c+1|0;b=c?b:b+1|0;H[e+16>>2]=c;H[e+20>>2]=b;c:{if(!f){break c}while(1){if(ea[H[H[a>>2]+16>>2]](a,d)|0){d=d+1|0;if((f|0)!=(d|0)){continue}break c}break}return 0}d=H[a+8>>2];b=H[a+12>>2];if((d|0)!=(b|0)){while(1){c=H[d>>2];if(!(ea[H[H[c>>2]+8>>2]](c,a,H[a+4>>2])|0)){break a}d=d+4|0;if((b|0)!=(d|0)){continue}break}}d:{if(!f){break d}d=0;while(1){b=H[H[a+8>>2]+(d<<2)>>2];if(!(ea[H[H[b>>2]+12>>2]](b,H[a+32>>2])|0)){break a}d=d+1|0;if((f|0)!=(d|0)){continue}break}if(!f){break d}i=a+20|0;b=0;while(1){d=0;j=b<<2;c=H[j+H[a+8>>2]>>2];k=ea[H[H[c>>2]+24>>2]](c)|0;if((k|0)>0){while(1){c=H[H[a+8>>2]+j>>2];c=ea[H[H[c>>2]+20>>2]](c,d)|0;e=H[a+20>>2];g=H[a+24>>2]-e>>2;e:{if(c>>>0>>0){break e}h=c+1|0;if(h>>>0>g>>>0){ya(i,h-g|0);e=H[i>>2];break e}if(g>>>0<=h>>>0){break e}H[a+24>>2]=(h<<2)+e}H[(c<<2)+e>>2]=b;d=d+1|0;if((k|0)!=(d|0)){continue}break}}b=b+1|0;if((f|0)!=(b|0)){continue}break}}e=0;if(!(ea[H[H[a>>2]+28>>2]](a)|0)){break b}e=ea[H[H[a>>2]+32>>2]](a)|0}return e|0}return 0}function ta(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;i=ca-16|0;ca=i;f=H[b+20>>2];d=H[b+12>>2];c=H[b+16>>2];a:{if((f|0)>=(d|0)&c>>>0>=K[b+8>>2]|(d|0)<(f|0)){break a}F[a+12|0]=I[c+H[b>>2]|0];c=H[b+20>>2];g=c;f=H[b+16>>2];e=f+1|0;c=e?c:c+1|0;H[b+16>>2]=e;H[b+20>>2]=c;b:{if(J[b+38>>1]<=513){d=H[b+8>>2];c=H[b+12>>2];h=c;c=g;f=f+5|0;c=f>>>0<5?c+1|0:c;if(d>>>0>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break a}e=e+H[b>>2]|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[b+16>>2]=f;H[b+20>>2]=c;break b}if(!Qe(1,i+12|0,b)){break a}f=H[b+16>>2];c=H[b+20>>2];d=H[b+8>>2];h=H[b+12>>2];e=H[i+12>>2]}g=d-f|0;d=h-(c+(d>>>0>>0)|0)|0;if((d|0)<=0&e>>>0>g>>>0|(d|0)<0|(e|0)<=0){break a}j=H[b>>2]+f|0;H[a>>2]=j;c:{d:{h=e-1|0;g=h+j|0;d=I[g|0];e:{if(d>>>0<=63){H[a+4>>2]=h;g=I[g|0]&63;break e}f:{switch((d>>>6|0)-1|0){case 1:break d;case 0:break f;default:break a}}if(e>>>0<2){break a}d=e-2|0;H[a+4>>2]=d;d=d+j|0;g=I[d+1|0]<<8&16128|I[d|0]}H[a+8>>2]=g+4096;break c}if(e>>>0<3){break a}d=e-3|0;H[a+4>>2]=d;g=a;a=d+j|0;a=I[a+1|0]<<8|I[a+2|0]<<16&4128768|I[a|0];H[g+8>>2]=a+4096;if(a>>>0>1044479){break a}}a=e+f|0;c=a>>>0>>0?c+1|0:c;H[b+16>>2]=a;H[b+20>>2]=c;k=1}ca=i+16|0;return k}function Wf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0;Xd(a,b,c);c=H[a+84>>2];d=H[a+88>>2]-c>>2;a:{if((d|0)>(b|0)){break a}b=b+1|0;if(b>>>0>d>>>0){b:{d=b-d|0;e=H[a+92>>2];c=H[a+88>>2];if(d>>>0<=e-c>>2>>>0){c:{if(!d){break c}b=c;e=d&7;if(e){while(1){H[b>>2]=1;b=b+4|0;f=f+1|0;if((e|0)!=(f|0)){continue}break}}c=(d<<2)+c|0;if((d-1&1073741823)>>>0<7){break c}while(1){H[b+24>>2]=1;H[b+28>>2]=1;H[b+16>>2]=1;H[b+20>>2]=1;H[b+8>>2]=1;H[b+12>>2]=1;H[b>>2]=1;H[b+4>>2]=1;b=b+32|0;if((c|0)!=(b|0)){continue}break}}H[a+88>>2]=c;break b}d:{b=c;c=H[a+84>>2];i=b-c|0;g=i>>2;b=g+d|0;if(b>>>0<1073741824){e=e-c|0;h=e>>>1|0;e=e>>>0>=2147483644?1073741823:b>>>0>>0?h:b;if(e){if(e>>>0>=1073741824){break d}j=pa(e<<2)}g=(g<<2)+j|0;b=g;h=d&7;if(h){while(1){H[b>>2]=1;b=b+4|0;f=f+1|0;if((h|0)!=(f|0)){continue}break}}f=g+(d<<2)|0;if((d-1&1073741823)>>>0>=7){while(1){H[b+24>>2]=1;H[b+28>>2]=1;H[b+16>>2]=1;H[b+20>>2]=1;H[b+8>>2]=1;H[b+12>>2]=1;H[b>>2]=1;H[b+4>>2]=1;b=b+32|0;if((f|0)!=(b|0)){continue}break}}b=va(j,c,i);H[a+88>>2]=f;H[a+84>>2]=b;H[a+92>>2]=b+(e<<2);if(c){oa(c)}break b}sa();v()}wa();v()}return}if(b>>>0>=d>>>0){break a}H[a+88>>2]=c+(b<<2)}}function qb(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;d=H[a+8>>2];e=H[a+4>>2];if(d-e>>2>>>0>=b>>>0){a:{if(!b){break a}d=e;g=b&7;if(g){while(1){H[d>>2]=H[c>>2];d=d+4|0;f=f+1|0;if((g|0)!=(f|0)){continue}break}}e=(b<<2)+e|0;if((b-1&1073741823)>>>0<7){break a}while(1){H[d>>2]=H[c>>2];H[d+4>>2]=H[c>>2];H[d+8>>2]=H[c>>2];H[d+12>>2]=H[c>>2];H[d+16>>2]=H[c>>2];H[d+20>>2]=H[c>>2];H[d+24>>2]=H[c>>2];H[d+28>>2]=H[c>>2];d=d+32|0;if((e|0)!=(d|0)){continue}break}}H[a+4>>2]=e;return}b:{i=H[a>>2];f=e-i>>2;h=f+b|0;if(h>>>0<1073741824){j=d-i|0;d=j>>>1|0;h=j>>>0>=2147483644?1073741823:d>>>0>h>>>0?d:h;if(h){if(h>>>0>=1073741824){break b}k=pa(h<<2)}f=(f<<2)+k|0;d=f;j=b&7;if(j){while(1){H[d>>2]=H[c>>2];d=d+4|0;g=g+1|0;if((j|0)!=(g|0)){continue}break}}g=(b<<2)+f|0;if((b-1&1073741823)>>>0>=7){while(1){H[d>>2]=H[c>>2];H[d+4>>2]=H[c>>2];H[d+8>>2]=H[c>>2];H[d+12>>2]=H[c>>2];H[d+16>>2]=H[c>>2];H[d+20>>2]=H[c>>2];H[d+24>>2]=H[c>>2];H[d+28>>2]=H[c>>2];d=d+32|0;if((g|0)!=(d|0)){continue}break}}if((e|0)!=(i|0)){while(1){f=f-4|0;e=e-4|0;H[f>>2]=H[e>>2];if((e|0)!=(i|0)){continue}break}}H[a+8>>2]=(h<<2)+k;H[a+4>>2]=g;H[a>>2]=f;if(i){oa(i)}return}sa();v()}wa();v()}function Kc(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;d=H[a+8>>2];e=H[a>>2];if(d-e>>2>>>0>=b>>>0){f=H[a+4>>2];h=f-e>>2;i=b>>>0>h>>>0?h:b;a:{if(!i){break a}d=e;g=i;j=g&7;if(j){while(1){H[d>>2]=H[c>>2];g=g-1|0;d=d+4|0;k=k+1|0;if((k|0)!=(j|0)){continue}break}}if(i>>>0<8){break a}while(1){H[d>>2]=H[c>>2];H[d+4>>2]=H[c>>2];H[d+8>>2]=H[c>>2];H[d+12>>2]=H[c>>2];H[d+16>>2]=H[c>>2];H[d+20>>2]=H[c>>2];H[d+24>>2]=H[c>>2];H[d+28>>2]=H[c>>2];d=d+32|0;g=g-8|0;if(g){continue}break}}if(b>>>0>h>>>0){b=(b-h<<2)+f|0;while(1){H[f>>2]=H[c>>2];f=f+4|0;if((b|0)!=(f|0)){continue}break}H[a+4>>2]=b;return}H[a+4>>2]=e+(b<<2);return}if(e){H[a+4>>2]=e;oa(e);H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;d=0}b:{if(b>>>0>=1073741824){break b}e=d>>>1|0;d=d>>>0>=2147483644?1073741823:b>>>0>>0?e:b;if(d>>>0>=1073741824){break b}d=d<<2;e=pa(d);H[a>>2]=e;H[a+8>>2]=d+e;c=H[c>>2];d=e;g=b&7;if(g){while(1){H[d>>2]=c;d=d+4|0;f=f+1|0;if((g|0)!=(f|0)){continue}break}}e=e+(b<<2)|0;if((b-1&1073741823)>>>0>=7){while(1){H[d+28>>2]=c;H[d+24>>2]=c;H[d+20>>2]=c;H[d+16>>2]=c;H[d+12>>2]=c;H[d+8>>2]=c;H[d+4>>2]=c;H[d>>2]=c;d=d+32|0;if((e|0)!=(d|0)){continue}break}}H[a+4>>2]=e;return}sa();v()}function Me(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;h=ca-16|0;ca=h;a:{b:{if(J[b+38>>1]<=511){e=H[b+8>>2];c=H[b+12>>2];i=c;f=H[b+20>>2];d=H[b+16>>2];g=d+8|0;f=g>>>0<8?f+1|0:f;if(e>>>0>>0&(c|0)<=(f|0)|(c|0)<(f|0)){break a}d=d+H[b>>2]|0;c=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=I[d+4|0]|I[d+5|0]<<8|(I[d+6|0]<<16|I[d+7|0]<<24);H[b+16>>2]=g;H[b+20>>2]=f;break b}if(!gb(1,h+8|0,b)){break a}g=H[b+16>>2];f=H[b+20>>2];e=H[b+8>>2];i=H[b+12>>2];c=H[h+8>>2];d=H[h+12>>2]}j=e-g|0;e=i-(f+(e>>>0>>0)|0)|0;if((e|0)==(d|0)&c>>>0>j>>>0|d>>>0>e>>>0){break a}e=d+f|0;f=c+g|0;e=f>>>0>>0?e+1|0:e;H[b+16>>2]=f;H[b+20>>2]=e;if((c|0)<=0){break a}b=H[b>>2]+g|0;H[a+40>>2]=b;g=c-1|0;e=b+g|0;f=I[e|0];c:{if(f>>>0<=63){H[a+44>>2]=g;b=I[e|0]&63;break c}d:{switch((f>>>6|0)-1|0){case 0:if(c>>>0<2){break a}c=c-2|0;H[a+44>>2]=c;b=b+c|0;b=I[b+1|0]<<8&16128|I[b|0];break c;case 1:if(c>>>0<3){break a}c=c-3|0;H[a+44>>2]=c;b=b+c|0;b=I[b+1|0]<<8|I[b+2|0]<<16&4128768|I[b|0];break c;default:break d}}c=c-4|0;H[a+44>>2]=c;b=b+c|0;b=(I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24))&1073741823}H[a+48>>2]=b+16384;k=b>>>0<4177920}ca=h+16|0;return k}function Ua(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;f=(c>>>0)/3|0;j=H[(H[H[a+8>>2]+96>>2]+N(f,12)|0)+(c-N(f,3)<<2)>>2];a:{h=H[H[a+12>>2]+4>>2];e=H[h+4>>2];if((e|0)!=H[h+8>>2]){H[e>>2]=j;H[h+4>>2]=e+4;break a}b:{i=H[h>>2];f=e-i|0;g=f>>2;d=g+1|0;if(d>>>0<1073741824){k=g<<2;g=f>>>1|0;g=f>>>0>=2147483644?1073741823:d>>>0>>0?g:d;if(g){if(g>>>0>=1073741824){break b}f=pa(g<<2)}else{f=0}d=k+f|0;H[d>>2]=j;j=d+4|0;if((e|0)!=(i|0)){while(1){d=d-4|0;e=e-4|0;H[d>>2]=H[e>>2];if((e|0)!=(i|0)){continue}break}}H[h+8>>2]=f+(g<<2);H[h+4>>2]=j;H[h>>2]=d;if(i){oa(i)}break a}sa();v()}wa();v()}c:{d:{h=H[a+4>>2];e=H[h+4>>2];e:{if((e|0)!=H[h+8>>2]){H[e>>2]=c;H[h+4>>2]=e+4;break e}i=H[h>>2];f=e-i|0;j=f>>2;d=j+1|0;if(d>>>0>=1073741824){break d}g=f>>>1|0;g=f>>>0>=2147483644?1073741823:d>>>0>>0?g:d;if(g){if(g>>>0>=1073741824){break c}f=pa(g<<2)}else{f=0}d=f+(j<<2)|0;H[d>>2]=c;c=d+4|0;if((e|0)!=(i|0)){while(1){d=d-4|0;e=e-4|0;H[d>>2]=H[e>>2];if((e|0)!=(i|0)){continue}break}}H[h+8>>2]=f+(g<<2);H[h+4>>2]=c;H[h>>2]=d;if(!i){break e}oa(i)}a=H[a+4>>2];H[H[a+12>>2]+(b<<2)>>2]=H[a+24>>2];H[a+24>>2]=H[a+24>>2]+1;return}sa();v()}wa();v()}function Wb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0;h=d-c|0;if((h|0)<=0){return}a:{e=H[a+8>>2];i=H[a+4>>2];if((e-i|0)>=(h|0)){j=i-b|0;if((j|0)>=(h|0)){f=i;g=d;break a}f=i;g=c+j|0;if((g|0)!=(d|0)){e=g;while(1){F[f|0]=I[e|0];f=f+1|0;e=e+1|0;if((e|0)!=(d|0)){continue}break}}H[a+4>>2]=f;if((j|0)>0){break a}return}k=H[a>>2];g=(i-k|0)+h|0;if((g|0)>=0){j=b-k|0;f=e-k|0;e=f<<1;f=f>>>0>=1073741823?2147483647:e>>>0>g>>>0?e:g;if(f){e=pa(f)}else{e=0}g=j+e|0;if((c|0)!=(d|0)){g=qa(g,c,h)+h|0}d=va(e,k,j);c=i-b|0;b=va(g,b,c);H[a+8>>2]=e+f;H[a+4>>2]=b+c;H[a>>2]=d;if(k){oa(k)}return}sa();v()}e=f;d=e-h|0;if(i>>>0>d>>>0){while(1){F[e|0]=I[d|0];e=e+1|0;d=d+1|0;if(i>>>0>d>>>0){continue}break}}H[a+4>>2]=e;a=b+h|0;if((a|0)!=(f|0)){a=f-a|0;va(f-a|0,b,a)}if((c|0)==(g|0)){return}f=(c^-1)+g|0;a=g-c&7;b:{if(!a){e=b;break b}d=0;e=b;while(1){F[e|0]=I[c|0];e=e+1|0;c=c+1|0;d=d+1|0;if((a|0)!=(d|0)){continue}break}}if(f>>>0<7){return}while(1){F[e|0]=I[c|0];F[e+1|0]=I[c+1|0];F[e+2|0]=I[c+2|0];F[e+3|0]=I[c+3|0];F[e+4|0]=I[c+4|0];F[e+5|0]=I[c+5|0];F[e+6|0]=I[c+6|0];F[e+7|0]=I[c+7|0];e=e+8|0;c=c+8|0;if((g|0)!=(c|0)){continue}break}}function qa(a,b,c){var d=0,e=0,f=0;if(c>>>0>=512){ba(a|0,b|0,c|0);return a}e=a+c|0;a:{if(!((a^b)&3)){b:{if(!(a&3)){c=a;break b}if(!c){c=a;break b}c=a;while(1){F[c|0]=I[b|0];b=b+1|0;c=c+1|0;if(!(c&3)){break b}if(c>>>0>>0){continue}break}}d=e&-4;c:{if(d>>>0<64){break c}f=d+-64|0;if(f>>>0>>0){break c}while(1){H[c>>2]=H[b>>2];H[c+4>>2]=H[b+4>>2];H[c+8>>2]=H[b+8>>2];H[c+12>>2]=H[b+12>>2];H[c+16>>2]=H[b+16>>2];H[c+20>>2]=H[b+20>>2];H[c+24>>2]=H[b+24>>2];H[c+28>>2]=H[b+28>>2];H[c+32>>2]=H[b+32>>2];H[c+36>>2]=H[b+36>>2];H[c+40>>2]=H[b+40>>2];H[c+44>>2]=H[b+44>>2];H[c+48>>2]=H[b+48>>2];H[c+52>>2]=H[b+52>>2];H[c+56>>2]=H[b+56>>2];H[c+60>>2]=H[b+60>>2];b=b- -64|0;c=c- -64|0;if(f>>>0>=c>>>0){continue}break}}if(c>>>0>=d>>>0){break a}while(1){H[c>>2]=H[b>>2];b=b+4|0;c=c+4|0;if(d>>>0>c>>>0){continue}break}break a}if(e>>>0<4){c=a;break a}d=e-4|0;if(d>>>0>>0){c=a;break a}c=a;while(1){F[c|0]=I[b|0];F[c+1|0]=I[b+1|0];F[c+2|0]=I[b+2|0];F[c+3|0]=I[b+3|0];b=b+4|0;c=c+4|0;if(d>>>0>=c>>>0){continue}break}}if(c>>>0>>0){while(1){F[c|0]=I[b|0];b=b+1|0;c=c+1|0;if((e|0)!=(c|0)){continue}break}}return a}function ub(a,b){var c=0,d=0,e=0,f=0,g=0;d=ca-16|0;ca=d;H[a+12>>2]=b;H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;c=a+16|0;H[c>>2]=0;H[c+4>>2]=0;F[c+5|0]=0;F[c+6|0]=0;F[c+7|0]=0;F[c+8|0]=0;F[c+9|0]=0;F[c+10|0]=0;F[c+11|0]=0;F[c+12|0]=0;H[a+32>>2]=0;H[a+36>>2]=0;H[a+48>>2]=0;H[a+40>>2]=0;H[a+44>>2]=0;H[a+52>>2]=0;H[a+56>>2]=0;H[a+68>>2]=0;H[a+60>>2]=0;H[a+64>>2]=0;H[a+72>>2]=0;H[a+76>>2]=0;H[a+88>>2]=0;H[a+80>>2]=0;H[a+84>>2]=0;H[a+100>>2]=0;H[a+92>>2]=0;H[a+96>>2]=0;g=a+116|0;a:{b:{if(b){if(b>>>0<1073741824){break b}sa();v()}H[a+104>>2]=0;H[a+108>>2]=0;H[a+112>>2]=0;H[d+8>>2]=0;H[d>>2]=0;H[d+4>>2]=0;c=1;break a}c=b<<2;e=pa(c);H[a+92>>2]=e;f=c+e|0;H[a+100>>2]=f;ra(e,0,c);H[a+112>>2]=0;H[a+104>>2]=0;H[a+108>>2]=0;H[a+96>>2]=f;e=pa(c);H[a+104>>2]=e;f=c+e|0;H[a+112>>2]=f;ra(e,0,c);H[a+108>>2]=f;e=pa(c);H[d>>2]=e;f=c+e|0;H[d+8>>2]=f;ra(e,0,c);H[d+4>>2]=f;c=b<<5|1}tb(g,c,d);e=H[d>>2];if(e){H[d+4>>2]=e;oa(e)}H[d+8>>2]=0;H[d>>2]=0;H[d+4>>2]=0;if(b){b=b<<2;e=pa(b);H[d>>2]=e;f=b+e|0;H[d+8>>2]=f;ra(e,0,b);H[d+4>>2]=f}tb(a+128|0,c,d);b=H[d>>2];if(b){H[d+4>>2]=b;oa(b)}ca=d+16|0;return a}function ze(a){a=a|0;var b=0,c=0,d=0,e=0,f=0;H[a>>2]=11484;d=a+232|0;b=H[d+196>>2];if(b){H[d+200>>2]=b;oa(b)}c=H[d+184>>2];if(c){b=c;e=H[d+188>>2];if((b|0)!=(e|0)){while(1){b=e-12|0;f=H[b>>2];if(f){H[e-8>>2]=f;oa(f)}e=b;if((b|0)!=(c|0)){continue}break}b=H[d+184>>2]}H[d+188>>2]=c;oa(b)}b=H[d+156>>2];if(b){H[d+160>>2]=b;oa(b)}c=H[d+136>>2];H[d+136>>2]=0;if(c){e=c-4|0;b=H[e>>2];if(b){b=c+(b<<4)|0;while(1){b=b-16|0;if((c|0)!=(b|0)){continue}break}}oa(e)}Yc(a+216|0);b=H[a+196>>2];if(b){H[a+200>>2]=b;oa(b)}b=H[a+184>>2];if(b){H[a+188>>2]=b;oa(b)}b=H[a+172>>2];if(b){H[a+176>>2]=b;oa(b)}b=H[a+160>>2];if(b){H[a+164>>2]=b;oa(b)}b=H[a+144>>2];if(b){while(1){c=H[b>>2];oa(b);b=c;if(b){continue}break}}b=H[a+136>>2];H[a+136>>2]=0;if(b){oa(b)}b=H[a+120>>2];if(b){oa(b)}b=H[a+108>>2];if(b){oa(b)}b=H[a+96>>2];if(b){oa(b)}b=H[a+72>>2];if(b){H[a+76>>2]=b;oa(b)}b=H[a+60>>2];if(b){oa(b)}b=H[a+48>>2];if(b){H[a+52>>2]=b;oa(b)}b=H[a+36>>2];if(b){H[a+40>>2]=b;oa(b)}b=H[a+24>>2];if(b){H[a+28>>2]=b;oa(b)}b=H[a+12>>2];if(b){H[a+16>>2]=b;oa(b)}b=H[a+8>>2];H[a+8>>2]=0;if(b){cb(b)}return a|0}function Pa(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;d=H[a+8>>2];e=H[a+4>>2];if(d-e>>2>>>0>=b>>>0){a:{if(!b){break a}d=e;f=b&7;if(f){while(1){H[d>>2]=H[c>>2];d=d+4|0;h=h+1|0;if((f|0)!=(h|0)){continue}break}}e=(b<<2)+e|0;if((b-1&1073741823)>>>0<7){break a}while(1){H[d>>2]=H[c>>2];H[d+4>>2]=H[c>>2];H[d+8>>2]=H[c>>2];H[d+12>>2]=H[c>>2];H[d+16>>2]=H[c>>2];H[d+20>>2]=H[c>>2];H[d+24>>2]=H[c>>2];H[d+28>>2]=H[c>>2];d=d+32|0;if((e|0)!=(d|0)){continue}break}}H[a+4>>2]=e;return}b:{i=H[a>>2];j=e-i|0;f=j>>2;g=f+b|0;if(g>>>0<1073741824){d=d-i|0;e=d>>>1|0;g=d>>>0>=2147483644?1073741823:e>>>0>g>>>0?e:g;if(g){if(g>>>0>=1073741824){break b}k=pa(g<<2)}f=(f<<2)+k|0;d=f;e=b&7;if(e){while(1){H[d>>2]=H[c>>2];d=d+4|0;h=h+1|0;if((e|0)!=(h|0)){continue}break}}e=f+(b<<2)|0;if((b-1&1073741823)>>>0>=7){while(1){H[d>>2]=H[c>>2];H[d+4>>2]=H[c>>2];H[d+8>>2]=H[c>>2];H[d+12>>2]=H[c>>2];H[d+16>>2]=H[c>>2];H[d+20>>2]=H[c>>2];H[d+24>>2]=H[c>>2];H[d+28>>2]=H[c>>2];d=d+32|0;if((e|0)!=(d|0)){continue}break}}b=va(k,i,j);H[a+4>>2]=e;H[a>>2]=b;H[a+8>>2]=b+(g<<2);if(i){oa(i)}return}sa();v()}wa();v()}function Cc(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;if(I[a+11|0]>>>7|0){d=H[a+4>>2]}else{d=I[a+11|0]&127}if(d>>>0>>0){h=ca-16|0;ca=h;b=b-d|0;if(b){g=I[a+11|0]>>>7|0?(H[a+8>>2]&2147483647)-1|0:10;if(I[a+11|0]>>>7|0){d=H[a+4>>2]}else{d=I[a+11|0]&127}i=d+b|0;if(g-d>>>0>>0){a:{e=ca-16|0;ca=e;c=i-g|0;if(c>>>0<=2147483631-g>>>0){if(I[a+11|0]>>>7|0){f=H[a>>2]}else{f=a}if(g>>>0<1073741799){H[e+12>>2]=g<<1;H[e>>2]=c+g;c=ca-16|0;ca=c;ca=c+16|0;c=e+12|0;c=H[(K[e>>2]>2]?c:e)>>2];if(c>>>0>=11){j=c+16&-16;c=j-1|0;c=(c|0)==11?j:c}else{c=10}c=c+1|0}else{c=2147483631}Zb(e,c);c=H[e>>2];if(d){yb(c,f,d)}if((g|0)!=10){oa(f)}H[a>>2]=c;H[a+8>>2]=H[a+8>>2]&-2147483648|H[e+4>>2]&2147483647;H[a+8>>2]=H[a+8>>2]|-2147483648;ca=e+16|0;break a}Na();v()}}f=d;if(I[a+11|0]>>>7|0){d=H[a>>2]}else{d=a}f=f+d|0;e=ca-16|0;ca=e;F[e+15|0]=0;while(1){if(b){F[f|0]=I[e+15|0];b=b-1|0;f=f+1|0;continue}break}ca=e+16|0;Id(a,i);F[h+15|0]=0;F[d+i|0]=I[h+15|0]}ca=h+16|0;return}if(I[a+11|0]>>>7|0){d=H[a>>2]}else{d=a}f=ca-16|0;ca=f;Id(a,b);F[f+15|0]=0;F[b+d|0]=I[f+15|0];ca=f+16|0}function Jc(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;g=ca-16|0;ca=g;a:{b:{if(b){H[a+88>>2]=0;H[a+92>>2]=0;d=H[a+84>>2];H[a+84>>2]=0;if(d){oa(d)}H[a+76>>2]=0;H[a+80>>2]=0;d=H[a+72>>2];H[a+72>>2]=0;if(d){oa(d)}d=H[b>>2];c=H[b+4>>2];F[g+15|0]=0;Oa(a,c-d>>2,g+15|0);d=H[b+28>>2];c=H[b+24>>2];F[g+14|0]=0;Oa(a+12|0,d-c>>2,g+14|0);Kc(a+28|0,H[b+4>>2]-H[b>>2]>>2,13708);c=H[b+28>>2]-H[b+24>>2]|0;f=c>>2;e=H[a+52>>2];c:{if(f>>>0<=H[a+60>>2]-e>>2>>>0){break c}if((c|0)<0){break b}d=H[a+56>>2];c=pa(c);f=c+(f<<2)|0;h=c+(d-e&-4)|0;c=h;if((d|0)!=(e|0)){while(1){c=c-4|0;d=d-4|0;H[c>>2]=H[d>>2];if((d|0)!=(e|0)){continue}break}}H[a+60>>2]=f;H[a+56>>2]=h;H[a+52>>2]=c;if(!e){break c}oa(e)}c=H[b+28>>2]-H[b+24>>2]|0;f=c>>2;e=H[a+40>>2];d:{if(f>>>0<=H[a+48>>2]-e>>2>>>0){break d}if((c|0)<0){break a}d=H[a+44>>2];c=pa(c);f=c+(f<<2)|0;h=c+(d-e&-4)|0;c=h;if((d|0)!=(e|0)){while(1){c=c-4|0;d=d-4|0;H[c>>2]=H[d>>2];if((d|0)!=(e|0)){continue}break}}H[a+48>>2]=f;H[a+44>>2]=h;H[a+40>>2]=c;if(!e){break d}oa(e)}F[a+24|0]=1;H[a+64>>2]=b}ca=g+16|0;return}sa();v()}sa();v()}function wb(a,b){var c=0,d=0,e=0,f=0,g=0;c=ca-16|0;ca=c;H[a+12>>2]=b;H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;H[a+16>>2]=0;H[a+20>>2]=0;H[a+32>>2]=0;H[a+24>>2]=0;H[a+28>>2]=0;H[a+36>>2]=0;H[a+40>>2]=0;H[a+52>>2]=0;H[a+44>>2]=0;H[a+48>>2]=0;H[a+56>>2]=0;H[a+60>>2]=0;H[a+72>>2]=0;H[a+64>>2]=0;H[a+68>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+92>>2]=0;H[a+84>>2]=0;H[a+88>>2]=0;H[a+104>>2]=0;H[a+96>>2]=0;H[a+100>>2]=0;g=a+120|0;a:{b:{if(b){if(b>>>0<1073741824){break b}sa();v()}H[a+108>>2]=0;H[a+112>>2]=0;H[a+116>>2]=0;H[c+8>>2]=0;H[c>>2]=0;H[c+4>>2]=0;e=1;break a}e=b<<2;d=pa(e);H[a+96>>2]=d;f=d+e|0;H[a+104>>2]=f;ra(d,0,e);H[a+116>>2]=0;H[a+108>>2]=0;H[a+112>>2]=0;H[a+100>>2]=f;d=pa(e);H[a+108>>2]=d;f=d+e|0;H[a+116>>2]=f;ra(d,0,e);H[a+112>>2]=f;d=pa(e);H[c>>2]=d;f=d+e|0;H[c+8>>2]=f;ra(d,0,e);H[c+4>>2]=f;e=b<<5|1}tb(g,e,c);d=H[c>>2];if(d){H[c+4>>2]=d;oa(d)}H[c+8>>2]=0;H[c>>2]=0;H[c+4>>2]=0;if(b){b=b<<2;d=pa(b);H[c>>2]=d;f=b+d|0;H[c+8>>2]=f;ra(d,0,b);H[c+4>>2]=f}tb(a+132|0,e,c);b=H[c>>2];if(b){H[c+4>>2]=b;oa(b)}ca=c+16|0;return a}function Sb(a,b){var c=0,d=0,e=0;c=(a|0)==(b|0);F[b+12|0]=c;a:{if(c){break a}while(1){d=H[b+8>>2];if(I[d+12|0]){break a}b:{c=H[d+8>>2];e=H[c>>2];if((e|0)==(d|0)){e=H[c+4>>2];if(!(!e|I[e+12|0])){break b}c:{if(H[d>>2]==(b|0)){b=d;break c}b=H[d+4>>2];a=H[b>>2];H[d+4>>2]=a;if(a){H[a+8>>2]=d;c=H[d+8>>2]}H[b+8>>2]=c;a=H[d+8>>2];H[((H[a>>2]!=(d|0))<<2)+a>>2]=b;H[b>>2]=d;H[d+8>>2]=b;c=H[b+8>>2];d=H[c>>2]}F[b+12|0]=1;F[c+12|0]=0;a=H[d+4>>2];H[c>>2]=a;if(a){H[a+8>>2]=c}H[d+8>>2]=H[c+8>>2];a=H[c+8>>2];H[((H[a>>2]!=(c|0))<<2)+a>>2]=d;H[d+4>>2]=c;H[c+8>>2]=d;return}if(!(I[e+12|0]|!e)){break b}d:{if(H[d>>2]!=(b|0)){b=d;break d}a=H[b+4>>2];H[d>>2]=a;if(a){H[a+8>>2]=d;c=H[d+8>>2]}H[b+8>>2]=c;a=H[d+8>>2];H[((H[a>>2]!=(d|0))<<2)+a>>2]=b;H[b+4>>2]=d;H[d+8>>2]=b;c=H[b+8>>2]}F[b+12|0]=1;F[c+12|0]=0;a=H[c+4>>2];b=H[a>>2];H[c+4>>2]=b;if(b){H[b+8>>2]=c}H[a+8>>2]=H[c+8>>2];b=H[c+8>>2];H[((H[b>>2]!=(c|0))<<2)+b>>2]=a;H[a>>2]=c;H[c+8>>2]=a;break a}F[d+12|0]=1;F[c+12|0]=(a|0)==(c|0);F[e+12|0]=1;b=c;if((c|0)!=(a|0)){continue}break}}}function Tj(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;a:{b:{c:{d:{e:{f:{g:{h:{i:{j:{k:{if(b){if(!c){break k}if(!d){break j}e=Q(d)-Q(b)|0;if(e>>>0<=31){break i}break c}if((d|0)==1|d>>>0>1){break c}da=0;a=(a>>>0)/(c>>>0)|0;break a}if(!a){break h}if(!d|d-1&d){break g}a=b>>>Qj(d)|0;da=0;break a}if(!(c-1&c)){break f}h=(Q(c)+33|0)-Q(b)|0;g=0-h|0;break d}h=e+1|0;g=63-e|0;break d}da=0;a=(b>>>0)/(d>>>0)|0;break a}e=Q(d)-Q(b)|0;if(e>>>0<31){break e}break c}if((c|0)==1){break b}d=Qj(c);c=d&31;if((d&63)>>>0>=32){a=b>>>c|0}else{e=b>>>c|0;a=((1<>>c}da=e;break a}h=e+1|0;g=63-e|0}e=h&63;f=e&31;if(e>>>0>=32){e=0;i=b>>>f|0}else{e=b>>>f|0;i=((1<>>f}g=g&63;f=g&31;if(g>>>0>=32){b=a<>>32-f|b<>>31;e=i<<1|b>>>31;f=m-(j+(e>>>0>g>>>0)|0)>>31;k=c&f;i=e-k|0;e=j-((d&f)+(e>>>0>>0)|0)|0;b=b<<1|a>>>31;a=l|a<<1;l=f&1;h=h-1|0;if(h){continue}break}}da=b<<1|a>>>31;a=l|a<<1;break a}a=0;b=0}da=b}return a}function rc(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;k=H[b+16>>2];h=H[c+4>>2]-k|0;e=H[c>>2]-k|0;H[c>>2]=e;H[c+4>>2]=h;g=H[b+16>>2];f=h>>31;i=(f^h)-f|0;f=e>>31;l=g>>>0>=i+((f^e)-f|0)>>>0;a:{if(l){f=h;break a}b:{c:{if((e|0)>=0){f=1;i=1;if((h|0)>=0){break b}j=1;f=-1;i=-1;if(e){break c}break b}j=-1;f=-1;i=-1;if((h|0)<=0){break b}}f=(h|0)<=0?-1:1;i=j}j=N(g,i);e=(e<<1)-j|0;i=(N(f,i)|0)>=0;g=N(f,g);f=((i?0-e|0:e)+g|0)/2|0;H[c+4>>2]=f;m=c;c=(h<<1)-g|0;e=(j+(i?0-c|0:c)|0)/2|0;H[m>>2]=e;g=H[b+16>>2]}c=H[d+4>>2]+f|0;e=H[d>>2]+e|0;d:{if((g|0)<(e|0)){e=e-H[b+4>>2]|0;break d}if((0-g|0)<=(e|0)){break d}e=H[b+4>>2]+e|0}e:{if((c|0)>(g|0)){c=c-H[b+4>>2]|0;break e}if((0-g|0)<=(c|0)){break e}c=H[b+4>>2]+c|0}f:{if(l){g=c;break f}g:{h:{if((e|0)>=0){b=1;f=1;if((c|0)>=0){break g}d=1;b=-1;f=-1;if(e){break h}break g}d=-1;b=-1;f=-1;if((c|0)<=0){break g}}b=(c|0)<=0?-1:1;f=d}d=N(f,g);h=(e<<1)-d|0;f=(N(b,f)|0)>=0;b=N(b,g);g=((f?0-h|0:h)+b|0)/2|0;b=(c<<1)-b|0;e=(d+(f?0-b|0:b)|0)/2|0}c=a;H[c>>2]=e+k;H[c+4>>2]=g+k}function Wh(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0;g=ca-16|0;ca=g;e=H[a+4>>2];d=H[e>>2];a:{b=H[a+12>>2];c=H[b+28>>2]-H[b+24>>2]|0;f=c>>2;b:{if(f>>>0<=H[e+8>>2]-d>>2>>>0){break b}if((c|0)<0){break a}b=H[e+4>>2];c=pa(c);f=c+(f<<2)|0;h=c+(b-d&-4)|0;c=h;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;H[c>>2]=H[b>>2];if((b|0)!=(d|0)){continue}break}}H[e+8>>2]=f;H[e+4>>2]=h;H[e>>2]=c;if(!d){break b}oa(d)}b=H[a+12>>2];c=H[b+28>>2];b=H[b+24>>2];H[g+12>>2]=0;b=c-b>>2;d=a+96|0;e=H[d>>2];c=H[a+100>>2]-e>>2;c:{if(b>>>0>c>>>0){Pa(d,b-c|0,g+12|0);break c}if(b>>>0>=c>>>0){break c}H[a+100>>2]=e+(b<<2)}e=a+8|0;b=H[a+116>>2];d:{if(b){d=H[b>>2];if((d|0)==H[b+4>>2]){c=1;break d}b=0;while(1){c=ye(e,H[(b<<2)+d>>2]);if(!c){break d}f=H[a+116>>2];d=H[f>>2];b=b+1|0;if(b>>>0>2]-d>>2>>>0){continue}break}break d}c=1;a=H[a+12>>2];a=H[a+4>>2]-H[a>>2]|0;if(a>>>0<12){break d}a=(a>>2>>>0)/3|0;b=0;while(1){c=ye(e,N(b,3));if(!c){break d}b=b+1|0;if((a|0)!=(b|0)){continue}break}}ca=g+16|0;return c|0}sa();v()}function gj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;c=H[b+88>>2];if(!(!c|H[c>>2]!=1)){e=H[c+8>>2];H[a+4>>2]=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);f=a+8|0;d=I[b+24|0];h=H[a+8>>2];g=H[a+12>>2]-h>>2;a:{if(d>>>0>g>>>0){ya(f,d-g|0);d=I[b+24|0];e=H[c+8>>2];break a}if(d>>>0>=g>>>0){break a}H[a+12>>2]=h+(d<<2)}b:{if(!d){b=4;break b}h=d&3;f=H[f>>2];c:{if(d-1>>>0<3){b=4;d=0;break c}k=d&252;d=0;b=4;while(1){g=d<<2;c=b+e|0;H[g+f>>2]=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[f+(g|4)>>2]=I[c+4|0]|I[c+5|0]<<8|(I[c+6|0]<<16|I[c+7|0]<<24);H[f+(g|8)>>2]=I[c+8|0]|I[c+9|0]<<8|(I[c+10|0]<<16|I[c+11|0]<<24);H[f+(g|12)>>2]=I[c+12|0]|I[c+13|0]<<8|(I[c+14|0]<<16|I[c+15|0]<<24);d=d+4|0;b=b+16|0;i=i+4|0;if((k|0)!=(i|0)){continue}break}}if(!h){break b}while(1){c=b+e|0;H[f+(d<<2)>>2]=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);d=d+1|0;b=b+4|0;j=j+1|0;if((h|0)!=(j|0)){continue}break}}d=a;a=b+e|0;H[d+20>>2]=I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24);d=1}return d|0}function se(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0;a:{b:{c:{if(!b){if((d|0)<0){break a}f=H[a+4>>2];b=H[a>>2];d=f-b|0;if(c>>>0>d>>>0){g=c-d|0;e=H[a+8>>2];if(g>>>0<=e-f>>>0){i=a,j=ra(f,0,g)+g|0,H[i+4>>2]=j;break c}if((c|0)<0){break b}f=e-b|0;e=f<<1;f=f>>>0>=1073741823?2147483647:c>>>0>>0?e:c;e=pa(f);ra(e+d|0,0,g);d=va(e,b,d);H[a+8>>2]=d+f;H[a+4>>2]=c+d;H[a>>2]=d;if(!b){break c}oa(b);break c}if(c>>>0>=d>>>0){break c}H[a+4>>2]=b+c;break c}if((d|0)<0){break a}e=H[a+4>>2];f=H[a>>2];g=e-f|0;d:{if((d|0)<=0&c>>>0<=g>>>0|(d|0)<0){break d}if(c>>>0>g>>>0){d=c-g|0;h=H[a+8>>2];if(d>>>0<=h-e>>>0){i=a,j=ra(e,0,d)+d|0,H[i+4>>2]=j;break d}if((c|0)<0){break b}e=h-f|0;h=e<<1;e=e>>>0>=1073741823?2147483647:c>>>0>>0?h:c;h=pa(e);ra(h+g|0,0,d);d=va(h,f,g);H[a+8>>2]=d+e;H[a+4>>2]=c+d;H[a>>2]=d;if(!f){break d}oa(f);break d}if(c>>>0>=g>>>0){break d}H[a+4>>2]=c+f}if(!c){break c}va(H[a>>2],b,c)}b=H[a+28>>2];c=H[a+24>>2]+1|0;b=c?b:b+1|0;H[a+24>>2]=c;H[a+28>>2]=b;g=1;break a}sa();v()}return g}function Jh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;k=H[a+12>>2];c=H[a+68>>2];d=H[c+80>>2];F[b+84|0]=0;n=b+68|0;i=H[b+68>>2];e=H[b+72>>2]-i>>2;a:{if(e>>>0>>0){qb(n,d-e|0,12372);c=H[a+68>>2];d=H[c+80>>2];break a}if(d>>>0>=e>>>0){break a}H[b+72>>2]=i+(d<<2)}b=H[c+100>>2];e=H[c+96>>2];i=(b-e|0)/12|0;m=1;b:{if((b|0)==(e|0)){break b}k=H[k+28>>2];f=H[k>>2];if((f|0)==-1){return 0}o=i>>>0<=1?1:i;c=e;b=0;m=0;while(1){g=H[c>>2];if(g>>>0>=d>>>0){break b}j=H[H[a+72>>2]+12>>2];h=H[j+(f<<2)>>2];if(h>>>0>=d>>>0){break b}f=H[n>>2];H[f+(g<<2)>>2]=h;g=k+(l<<2)|0;h=H[g+4>>2];if((h|0)==-1){break b}l=H[c+4>>2];if(l>>>0>=d>>>0){break b}h=H[(h<<2)+j>>2];if(h>>>0>=d>>>0){break b}H[f+(l<<2)>>2]=h;g=H[g+8>>2];if((g|0)==-1){break b}c=H[c+8>>2];if(c>>>0>=d>>>0){break b}j=H[(g<<2)+j>>2];if(j>>>0>=d>>>0){break b}H[f+(c<<2)>>2]=j;b=b+1|0;m=i>>>0<=b>>>0;if((b|0)==(o|0)){break b}c=e+N(b,12)|0;l=N(b,3);f=H[k+(l<<2)>>2];if((f|0)!=-1){continue}break}}return m|0}function Gh(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=H[d+80>>2];e=ca-48|0;ca=e;a=H[a+4>>2];m=a-2|0;a:{if(m>>>0>28){break a}j=H[H[d>>2]>>2]+H[d+48>>2]|0;H[e+16>>2]=a;a=-1<>2]=a^-1;a=-2-a|0;H[e+24>>2]=a;H[e+32>>2]=(a|0)/2;L[e+28>>2]=O(2)/O(a|0);f=H[c>>2];if((f|0)!=H[c+4>>2]){a=0;d=0;while(1){g=H[(d<<2)+f>>2];h=e+36|0;k=H[H[b>>2]>>2];l=H[b+48>>2];f=H[b+40>>2];i=H[b+44>>2];if(!I[b+84|0]){g=H[H[b+68>>2]+(g<<2)>>2]}g=Rj(f,i,g,0);i=g;g=g+l|0;qa(h,g+k|0,f);he(e+16|0,h,e+12|0,e+8|0);f=a<<2;H[f+j>>2]=H[e+12>>2];H[(f|4)+j>>2]=H[e+8>>2];a=a+2|0;d=d+1|0;f=H[c>>2];if(d>>>0>2]-f>>2>>>0){continue}break}break a}if(!h){break a}d=0;a=0;while(1){k=e+36|0;l=H[H[b>>2]>>2];i=H[b+48>>2];c=H[b+40>>2];f=Rj(c,H[b+44>>2],I[b+84|0]?a:H[H[b+68>>2]+(a<<2)>>2],0);g=f;f=f+i|0;qa(k,f+l|0,c);he(e+16|0,k,e+12|0,e+8|0);c=d<<2;H[c+j>>2]=H[e+12>>2];H[(c|4)+j>>2]=H[e+8>>2];d=d+2|0;a=a+1|0;if((h|0)!=(a|0)){continue}break}}ca=e+48|0;return m>>>0<29|0}function Re(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=O(0),j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;k=ca-16|0;ca=k;if(H[c+28>>2]==9){d=H[a+4>>2];h=I[c+24|0];e=h<<2;f=pa(e);l=k+8|0;H[l>>2]=1065353216;i=L[a+20>>2];d=-1<0){L[l>>2]=i/O(d|0)}o=(d|0)>0;a:{if(!o){break a}j=H[c+80>>2];if(!j){break a}if(h){p=H[H[b>>2]>>2]+H[b+48>>2]|0;t=h&254;u=h&1;b=0;while(1){m=H[a+8>>2];i=L[l>>2];d=0;n=0;if((h|0)!=1){while(1){g=d<<2;q=(b<<2)+p|0;L[g+f>>2]=O(i*O(H[q>>2]))+L[g+m>>2];g=g|4;L[g+f>>2]=O(i*O(H[q+4>>2]))+L[g+m>>2];d=d+2|0;b=b+2|0;n=n+2|0;if((t|0)!=(n|0)){continue}break}}if(u){d=d<<2;L[d+f>>2]=O(i*O(H[(b<<2)+p>>2]))+L[d+m>>2];b=b+1|0}qa(H[H[c+64>>2]>>2]+r|0,f,e);r=e+r|0;s=s+1|0;if((s|0)!=(j|0)){continue}break}break a}b=0;if((j|0)!=1){a=j&-2;d=0;while(1){qa(H[H[c+64>>2]>>2]+b|0,f,e);b=b+e|0;qa(b+H[H[c+64>>2]>>2]|0,f,e);b=b+e|0;d=d+2|0;if((a|0)!=(d|0)){continue}break}}if(!(j&1)){break a}qa(H[H[c+64>>2]>>2]+b|0,f,e)}oa(f)}ca=k+16|0;return o|0}function Xh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=H[a+12>>2];d=H[a+108>>2];e=H[d+80>>2];F[b+84|0]=0;m=b+68|0;h=H[b+68>>2];f=H[b+72>>2]-h>>2;a:{if(f>>>0>>0){qb(m,e-f|0,12372);d=H[a+108>>2];e=H[d+80>>2];break a}if(e>>>0>=f>>>0){break a}H[b+72>>2]=h+(e<<2)}b=H[d+100>>2];f=H[d+96>>2];h=(b-f|0)/12|0;k=1;b:{if((b|0)==(f|0)){break b}n=h>>>0<=1?1:h;o=H[c>>2];c=0;d=f;b=0;k=0;while(1){c=(c<<2)+o|0;i=H[c>>2];if((i|0)==-1){break b}g=H[d>>2];if(g>>>0>=e>>>0){break b}l=H[H[a+112>>2]+12>>2];j=H[l+(i<<2)>>2];if(j>>>0>=e>>>0){break b}i=H[m>>2];H[i+(g<<2)>>2]=j;g=H[c+4>>2];if((g|0)==-1){break b}j=H[d+4>>2];if(j>>>0>=e>>>0){break b}g=H[(g<<2)+l>>2];if(g>>>0>=e>>>0){break b}H[i+(j<<2)>>2]=g;c=H[c+8>>2];if((c|0)==-1){break b}d=H[d+8>>2];if(d>>>0>=e>>>0){break b}c=H[(c<<2)+l>>2];if(c>>>0>=e>>>0){break b}H[i+(d<<2)>>2]=c;b=b+1|0;k=h>>>0<=b>>>0;if((b|0)==(n|0)){break b}c=N(b,3);d=f+N(b,12)|0;if((b|0)!=1431655765){continue}break}}return k|0}function Ph(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=H[a+12>>2];d=H[a+68>>2];e=H[d+80>>2];F[b+84|0]=0;m=b+68|0;h=H[b+68>>2];f=H[b+72>>2]-h>>2;a:{if(f>>>0>>0){qb(m,e-f|0,12372);d=H[a+68>>2];e=H[d+80>>2];break a}if(e>>>0>=f>>>0){break a}H[b+72>>2]=h+(e<<2)}b=H[d+100>>2];f=H[d+96>>2];h=(b-f|0)/12|0;k=1;b:{if((b|0)==(f|0)){break b}n=h>>>0<=1?1:h;o=H[c>>2];c=0;d=f;b=0;k=0;while(1){c=(c<<2)+o|0;i=H[c>>2];if((i|0)==-1){break b}g=H[d>>2];if(g>>>0>=e>>>0){break b}l=H[H[a+72>>2]+12>>2];j=H[l+(i<<2)>>2];if(j>>>0>=e>>>0){break b}i=H[m>>2];H[i+(g<<2)>>2]=j;g=H[c+4>>2];if((g|0)==-1){break b}j=H[d+4>>2];if(j>>>0>=e>>>0){break b}g=H[(g<<2)+l>>2];if(g>>>0>=e>>>0){break b}H[i+(j<<2)>>2]=g;c=H[c+8>>2];if((c|0)==-1){break b}d=H[d+8>>2];if(d>>>0>=e>>>0){break b}c=H[(c<<2)+l>>2];if(c>>>0>=e>>>0){break b}H[i+(d<<2)>>2]=c;b=b+1|0;k=h>>>0<=b>>>0;if((b|0)==(n|0)){break b}c=N(b,3);d=f+N(b,12)|0;if((b|0)!=1431655765){continue}break}}return k|0}function Wa(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;d=ca-16|0;ca=d;a:{f=H[a+4>>2];b:{if(f>>>0>>0){e=b-f|0;c=H[a+8>>2];g=c<<5;c:{if(!(e>>>0>g>>>0|f>>>0>g-e>>>0)){H[a+4>>2]=b;h=f&31;b=H[a>>2]+(f>>>3&536870908)|0;break c}H[d+8>>2]=0;H[d>>2]=0;H[d+4>>2]=0;if((b|0)<0){break a}if(g>>>0<=1073741822){c=c<<6;b=b+31&-32;b=b>>>0>>0?c:b}else{b=2147483647}pb(d,b);f=H[a+4>>2];H[d+4>>2]=f+e;i=H[a>>2];b=H[d>>2];d:{if((f|0)<=0){break d}c=f>>>5|0;if(f>>>0>=32){va(b,i,c<<2)}g=c<<2;b=g+b|0;h=f&31;if(h){c=-1>>>32-h|0;H[b>>2]=H[b>>2]&(c^-1)|H[i+g>>2]&c}i=H[a>>2]}H[a>>2]=H[d>>2];H[d>>2]=i;c=H[a+4>>2];H[a+4>>2]=H[d+4>>2];H[d+4>>2]=c;c=H[a+8>>2];H[a+8>>2]=H[d+8>>2];H[d+8>>2]=c;if(!i){break c}oa(i)}if(!e){break b}if(h){c=32-h|0;a=c>>>0>>0?c:e;H[b>>2]=H[b>>2]&(-1<>>c-a^-1);e=e-a|0;b=b+4|0}a=e>>>5|0;if(e>>>0>=32){ra(b,0,a<<2)}if((e&-32)==(e|0)){break b}a=(a<<2)+b|0;H[a>>2]=H[a>>2]&(-1>>>32-(e&31)^-1);break b}H[a+4>>2]=b}ca=d+16|0;return}sa();v()}function Je(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0;e=H[a+12>>2];i=H[a+8>>2];d=e-i>>2;b=I[b+24|0];a:{if(d>>>0>>0){ya(a+8|0,b-d|0);i=H[a+8>>2];e=H[a+12>>2];break a}if(b>>>0>=d>>>0){break a}e=(b<<2)+i|0;H[a+12>>2]=e}b=0;f=H[c+8>>2];h=H[c+12>>2];j=H[c+20>>2];e=e-i|0;d=H[c+16>>2];g=e+d|0;j=e>>>0>g>>>0?j+1|0:j;b:{if(f>>>0>>0&(h|0)<=(j|0)|(h|0)<(j|0)){break b}qa(i,d+H[c>>2]|0,e);d=H[c+20>>2];g=e;e=e+H[c+16>>2]|0;d=g>>>0>e>>>0?d+1|0:d;H[c+16>>2]=e;H[c+20>>2]=d;f=H[c+8>>2];h=H[c+12>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;if(f>>>0>>0&(d|0)>=(h|0)|(d|0)>(h|0)){break b}d=e+H[c>>2]|0;H[a+20>>2]=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);d=H[c+20>>2];g=d;f=d;e=H[c+16>>2];d=e+4|0;f=d>>>0<4?f+1|0:f;H[c+16>>2]=d;H[c+20>>2]=f;h=H[c+12>>2];if((f|0)>=(h|0)&d>>>0>=K[c+8>>2]|(f|0)>(h|0)){break b}f=I[d+H[c>>2]|0];d=g;e=e+5|0;d=e>>>0<5?d+1|0:d;H[c+16>>2]=e;H[c+20>>2]=d;if(f-1>>>0>29){break b}H[a+4>>2]=f;b=1}return b|0}function qd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;a:{f=H[a+4>>2];b:{if((f|0)!=H[a>>2]){c=f;break b}g=H[a+8>>2];c=H[a+12>>2];if(g>>>0>>0){e=((c-g>>2)+1|0)/2<<2;c=e+g|0;if((f|0)!=(g|0)){d=g-f|0;c=c-d|0;va(c,f,d);f=H[a+8>>2]}H[a+4>>2]=c;H[a+8>>2]=e+f;break b}d=(c|0)==(f|0)?1:c-f>>1;if(d>>>0>=1073741824){break a}c=d<<2;i=pa(c);k=i+c|0;c=(d+3&-4)+i|0;h=c;c:{if((f|0)==(g|0)){break c}g=g-f|0;l=g&-4;e=c;d=f;j=g-4|0;g=(j>>>2|0)+1&7;if(g){h=0;while(1){H[e>>2]=H[d>>2];d=d+4|0;e=e+4|0;h=h+1|0;if((g|0)!=(h|0)){continue}break}}h=c+l|0;if(j>>>0<28){break c}while(1){H[e>>2]=H[d>>2];H[e+4>>2]=H[d+4>>2];H[e+8>>2]=H[d+8>>2];H[e+12>>2]=H[d+12>>2];H[e+16>>2]=H[d+16>>2];H[e+20>>2]=H[d+20>>2];H[e+24>>2]=H[d+24>>2];H[e+28>>2]=H[d+28>>2];d=d+32|0;e=e+32|0;if((h|0)!=(e|0)){continue}break}}H[a+12>>2]=k;H[a+8>>2]=h;H[a+4>>2]=c;H[a>>2]=i;if(!f){break b}oa(f);c=H[a+4>>2]}H[c-4>>2]=H[b>>2];H[a+4>>2]=H[a+4>>2]-4;return}wa();v()}function sb(a,b){var c=0;a:{if(!ta(a,b)){break a}if(!ta(a+16|0,b)){break a}if(!ta(a+32|0,b)){break a}if(!ta(a+48|0,b)){break a}if(!ta(a- -64|0,b)){break a}if(!ta(a+80|0,b)){break a}if(!ta(a+96|0,b)){break a}if(!ta(a+112|0,b)){break a}if(!ta(a+128|0,b)){break a}if(!ta(a+144|0,b)){break a}if(!ta(a+160|0,b)){break a}if(!ta(a+176|0,b)){break a}if(!ta(a+192|0,b)){break a}if(!ta(a+208|0,b)){break a}if(!ta(a+224|0,b)){break a}if(!ta(a+240|0,b)){break a}if(!ta(a+256|0,b)){break a}if(!ta(a+272|0,b)){break a}if(!ta(a+288|0,b)){break a}if(!ta(a+304|0,b)){break a}if(!ta(a+320|0,b)){break a}if(!ta(a+336|0,b)){break a}if(!ta(a+352|0,b)){break a}if(!ta(a+368|0,b)){break a}if(!ta(a+384|0,b)){break a}if(!ta(a+400|0,b)){break a}if(!ta(a+416|0,b)){break a}if(!ta(a+432|0,b)){break a}if(!ta(a+448|0,b)){break a}if(!ta(a+464|0,b)){break a}if(!ta(a+480|0,b)){break a}if(!ta(a+496|0,b)){break a}c=ta(a+512|0,b)}return c}function qf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;a:{if(!ke(a,b)){break a}h=a+36|0;g=ea[H[H[a>>2]+24>>2]](a)|0;e=H[a+40>>2];d=H[a+36>>2];c=e-d>>2;b:{if(g>>>0>c>>>0){Vb(h,g-c|0);break b}if(c>>>0<=g>>>0){break b}d=d+(g<<2)|0;if((d|0)!=(e|0)){while(1){e=e-4|0;c=H[e>>2];H[e>>2]=0;if(c){ea[H[H[c>>2]+4>>2]](c)}if((d|0)!=(e|0)){continue}break}}H[a+40>>2]=d}c=1;if((g|0)<=0){break a}e=0;while(1){c:{c=H[b+20>>2];f=H[b+12>>2];d=H[b+16>>2];if((c|0)>=(f|0)&d>>>0>=K[b+8>>2]|(c|0)>(f|0)){break c}f=I[H[b>>2]+d|0];d=d+1|0;c=d?c:c+1|0;H[b+16>>2]=d;H[b+20>>2]=c;d=ea[H[H[a>>2]+48>>2]](a,f)|0;f=e<<2;i=f+H[a+36>>2]|0;c=H[i>>2];H[i>>2]=d;if(c){ea[H[H[c>>2]+4>>2]](c)}c=H[H[h>>2]+f>>2];if(!c){break c}if(!(k=c,l=ea[H[H[a>>2]+28>>2]](a)|0,m=ea[H[H[a>>2]+20>>2]](a,e)|0,j=H[H[c>>2]+8>>2],ea[j](k|0,l|0,m|0)|0)){break c}c=1;e=e+1|0;if((g|0)!=(e|0)){continue}break a}break}c=0}return c|0}function he(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;j=+L[b>>2];k=+L[b+4>>2];l=+L[b+8>>2];g=P(j)+P(k)+P(l);a:{if(!(g>1e-6)){j=1;k=0;e=0;break a}g=1/g;k=g*k;j=g*j;e=g*l<0}h=H[a+16>>2];l=+(h|0);g=T(j*l+.5);b:{if(P(g)<2147483648){m=~~g;break b}m=-2147483648}f=m>>31;i=(f^m)-f|0;g=T(k*l+.5);c:{if(P(g)<2147483648){f=~~g;break c}f=-2147483648}b=f>>31;b=h-(i+((f^b)-b|0)|0)|0;i=(b|0)>0?b:0;e=e?0-i|0:i;f=f+(b>>31&((f|0)>0?b:0-b|0))|0;d:{if((m|0)>=0){b=e+h|0;a=H[a+8>>2];e=h+f|0;break d}b=f>>31;b=(b^f)-b|0;a=H[a+8>>2];b=(e|0)<0?b:a-b|0;e=(f|0)<0?i:a-i|0}e:{if(!(b|e)){b=a;break e}if(!((a|0)!=(b|0)|e)){b=a;break e}if(!((a|0)!=(e|0)|b)){b=a;break e}if(!((b|0)<=(h|0)|e)){b=(h<<1)-b|0;a=0;break e}if(!((a|0)!=(e|0)|(b|0)>=(h|0))){b=(h<<1)-b|0;break e}if(!((a|0)!=(b|0)|(e|0)>=(h|0))){b=a;a=(h<<1)-e|0;break e}if(b){a=e;break e}b=0;if((e|0)<=(h|0)){a=e;break e}a=(h<<1)-e|0}H[c>>2]=a;H[d>>2]=b}function Ve(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=H[b+8>>2];h=H[b+12>>2];c=H[b+20>>2];i=c;k=H[b+16>>2];d=k+4|0;c=d>>>0<4?c+1|0:c;a:{if(d>>>0>g>>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break a}l=H[b>>2];f=k+l|0;e=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[b+16>>2]=d;H[b+20>>2]=c;c=i;f=k+8|0;c=f>>>0<8?c+1|0:c;if(f>>>0>g>>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break a}d=d+l|0;j=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=f;H[b+20>>2]=c;if((e|0)>(j|0)){break a}H[a+16>>2]=j;H[a+12>>2]=e;d=j-e|0;e=(j>>31)-((e>>31)+(e>>>0>j>>>0)|0)|0;if(!e&d>>>0>2147483646|e){break a}d=d+1|0;H[a+20>>2]=d;e=d>>>1|0;H[a+24>>2]=e;H[a+28>>2]=0-e;if(!(d&1)){H[a+24>>2]=e-1}if(J[b+38>>1]<=513){if((c|0)>=(h|0)&f>>>0>=g>>>0|(c|0)>(h|0)){break a}g=I[f+l|0];c=i;i=k+9|0;c=i>>>0<9?c+1|0:c;H[b+16>>2]=i;H[b+20>>2]=c;if(g>>>0>1){break a}H[a+88>>2]=g}m=ta(a+112|0,b)}return m|0}function Hc(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;g=H[a>>2];c=g+(b>>>3&536870908)|0;H[c>>2]=H[c>>2]|1<>2];e=(b|0)==-1;d=-1;a:{if(e){break a}c=b+1|0;c=(c>>>0)%3|0?c:b-2|0;d=-1;if((c|0)==-1){break a}d=H[H[f>>2]+(c<<2)>>2]}c=H[a+12>>2];h=(d>>>3&536870908)+c|0;H[h>>2]=H[h>>2]|1<>>0)%3|0){e=b-1|0;break e}e=b+2|0;d=-1;if((e|0)==-1){break d}}d=H[H[f>>2]+(e<<2)>>2]}e=(d>>>3&536870908)+c|0;H[e>>2]=H[e>>2]|1<>2]+(b<<2)>>2];if((b|0)==-1){break b}F[a+24|0]=0;a=(b>>>3&536870908)+g|0;H[a>>2]=H[a>>2]|1<>>0)%3|0?a:b-2|0;if((a|0)!=-1){d=H[H[f>>2]+(a<<2)>>2]}a=c+(d>>>3&536870908)|0;H[a>>2]=H[a>>2]|1<>>0)%3|0){b=b-1|0;break g}b=b+2|0;a=-1;if((b|0)==-1){break f}}a=H[H[f>>2]+(b<<2)>>2]}b=1<>>3&536870908)|0;c=H[a>>2];break c}a=c+536870908|0;b=H[c+536870908>>2];c=-2147483648}H[a>>2]=b|c}}function Fd(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=O(0),f=O(0),g=O(0),h=O(0),i=O(0),j=0,k=O(0),l=O(0),m=O(0),n=O(0),o=0;a:{if(H[c+28>>2]!=9|I[c+24|0]!=3){break a}a=H[a+4>>2];if(a-2>>>0>28){break a}o=1;j=H[c+80>>2];if(!j){break a}k=O(O(2)/O((1<>2]>>2]+H[c+48>>2]|0;a=H[H[b>>2]>>2]+H[b+48>>2]|0;b=0;while(1){g=O(0);l=O(0);m=O(0);e=O(O(O(H[a>>2])*k)+O(-1));f=O(O(O(H[a+4>>2])*k)+O(-1));i=O(O(O(1)-O(P(e)))-O(P(f)));h=O(S(O(-i),O(0)));n=O(-h);f=O(f+(f>>8;F[c+10|0]=d>>>16;F[c+11|0]=d>>>24;d=(w(l),y(2));F[c+4|0]=d;F[c+5|0]=d>>>8;F[c+6|0]=d>>>16;F[c+7|0]=d>>>24;d=(w(g),y(2));F[c|0]=d;F[c+1|0]=d>>>8;F[c+2|0]=d>>>16;F[c+3|0]=d>>>24;c=c+12|0;b=b+1|0;if((j|0)!=(b|0)){continue}break}}return o|0}function Vd(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0;a:{if(b>>>0<=63){b=0;a=H[a+12>>2];if(a>>>0<2){break a}b=a-1|0;e=b&3;d=H[c>>2];c=0;b:{if(a-2>>>0<3){a=1;b=0;break b}f=b&-4;b=0;a=1;while(1){g=a+3|0;h=a+2|0;i=a+1|0;b=K[d+(b<<2)>>2]>K[d+(a<<2)>>2]?a:b;b=K[d+(b<<2)>>2]>K[d+(i<<2)>>2]?i:b;b=K[d+(b<<2)>>2]>K[d+(h<<2)>>2]?h:b;b=K[d+(b<<2)>>2]>K[d+(g<<2)>>2]?g:b;a=a+4|0;j=j+4|0;if((f|0)!=(j|0)){continue}break}}if(!e){break a}while(1){b=K[d+(b<<2)>>2]>K[d+(a<<2)>>2]?a:b;a=a+1|0;c=c+1|0;if((e|0)!=(c|0)){continue}break}break a}b=H[a+580>>2];d=32-b|0;if((d|0)>=4){c=H[a+576>>2];if((c|0)==H[a+568>>2]){return 0}d=H[c>>2];e=b+4|0;H[a+580>>2]=e;b=d<>>28|0;if((e|0)!=32){break a}H[a+580>>2]=0;H[a+576>>2]=c+4;return b}c=H[a+576>>2];e=c+4|0;if((e|0)==H[a+568>>2]){return 0}f=H[c>>2];H[a+576>>2]=e;H[a+580>>2]=b-28;a=60-b|0;b=H[c+4>>2]>>>a|f<>>a-d}return b}function Ae(a){a=a|0;var b=0,c=0,d=0,e=0;H[a>>2]=11436;b=H[a+388>>2];if(b){H[a+392>>2]=b;oa(b)}d=H[a+368>>2];H[a+368>>2]=0;if(d){e=d-4|0;b=H[e>>2];if(b){c=(b<<4)+d|0;while(1){c=c-16|0;if((d|0)!=(c|0)){continue}break}}oa(e)}Yc(a+216|0);b=H[a+196>>2];if(b){H[a+200>>2]=b;oa(b)}b=H[a+184>>2];if(b){H[a+188>>2]=b;oa(b)}b=H[a+172>>2];if(b){H[a+176>>2]=b;oa(b)}b=H[a+160>>2];if(b){H[a+164>>2]=b;oa(b)}c=H[a+144>>2];if(c){while(1){b=H[c>>2];oa(c);c=b;if(b){continue}break}}b=H[a+136>>2];H[a+136>>2]=0;if(b){oa(b)}b=H[a+120>>2];if(b){oa(b)}b=H[a+108>>2];if(b){oa(b)}b=H[a+96>>2];if(b){oa(b)}b=H[a+72>>2];if(b){H[a+76>>2]=b;oa(b)}b=H[a+60>>2];if(b){oa(b)}b=H[a+48>>2];if(b){H[a+52>>2]=b;oa(b)}b=H[a+36>>2];if(b){H[a+40>>2]=b;oa(b)}b=H[a+24>>2];if(b){H[a+28>>2]=b;oa(b)}b=H[a+12>>2];if(b){H[a+16>>2]=b;oa(b)}b=H[a+8>>2];H[a+8>>2]=0;if(b){cb(b)}return a|0}function Sg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;a:{a=ca-32|0;ca=a;e=Ma(c);if(e>>>0<2147483632){b:{c:{if(e>>>0>=11){g=(e|15)+1|0;f=pa(g);H[a+24>>2]=g|-2147483648;H[a+16>>2]=f;H[a+20>>2]=e;g=e+f|0;break c}F[a+27|0]=e;f=a+16|0;g=e+f|0;if(!e){break b}}qa(f,c,e)}F[g|0]=0;H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;d:{c=nb(b,a+16|0);if((c|0)==(b+4|0)){break d}b=H[c+28>>2];e=H[c+32>>2];if((b|0)==(e|0)){break d}b=e-b|0;if(b&3){break d}e=b>>>2|0;f=H[a+4>>2];b=H[a>>2];g=f-b>>2;e:{if(e>>>0>g>>>0){ya(a,e-g|0);b=H[a>>2];f=H[a+4>>2];break e}if(e>>>0>=g>>>0){break e}f=(e<<2)+b|0;H[a+4>>2]=f}if((b|0)!=(f|0)){e=b;b=H[c+28>>2];qa(e,b,H[c+32>>2]-b|0);break d}Ca();v()}b=H[d>>2];if(b){H[d+4>>2]=b;oa(b)}H[d>>2]=H[a>>2];H[d+4>>2]=H[a+4>>2];H[d+8>>2]=H[a+8>>2];if(F[a+27|0]<0){oa(H[a+16>>2])}ca=a+32|0;break a}Na();v()}}function Be(a){a=a|0;var b=0,c=0,d=0,e=0;H[a>>2]=11384;d=H[a+368>>2];H[a+368>>2]=0;if(d){e=d-4|0;b=H[e>>2];if(b){c=(b<<4)+d|0;while(1){c=c-16|0;if((d|0)!=(c|0)){continue}break}}oa(e)}Yc(a+216|0);b=H[a+196>>2];if(b){H[a+200>>2]=b;oa(b)}b=H[a+184>>2];if(b){H[a+188>>2]=b;oa(b)}b=H[a+172>>2];if(b){H[a+176>>2]=b;oa(b)}b=H[a+160>>2];if(b){H[a+164>>2]=b;oa(b)}c=H[a+144>>2];if(c){while(1){b=H[c>>2];oa(c);c=b;if(b){continue}break}}b=H[a+136>>2];H[a+136>>2]=0;if(b){oa(b)}b=H[a+120>>2];if(b){oa(b)}b=H[a+108>>2];if(b){oa(b)}b=H[a+96>>2];if(b){oa(b)}b=H[a+72>>2];if(b){H[a+76>>2]=b;oa(b)}b=H[a+60>>2];if(b){oa(b)}b=H[a+48>>2];if(b){H[a+52>>2]=b;oa(b)}b=H[a+36>>2];if(b){H[a+40>>2]=b;oa(b)}b=H[a+24>>2];if(b){H[a+28>>2]=b;oa(b)}b=H[a+12>>2];if(b){H[a+16>>2]=b;oa(b)}b=H[a+8>>2];H[a+8>>2]=0;if(b){cb(b)}return a|0}function Ug(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0;d=ca-16|0;ca=d;a:{e=Ma(c);if(e>>>0<2147483632){b:{c:{if(e>>>0>=11){f=(e|15)+1|0;a=pa(f);H[d+8>>2]=f|-2147483648;H[d>>2]=a;H[d+4>>2]=e;f=a+e|0;break c}F[d+11|0]=e;f=d+e|0;a=d;if(!e){break b}}qa(a,c,e)}F[f|0]=0;c=I[d+11|0];e=c<<24>>24;b=H[b+4>>2];a=0;d:{if(!b){break d}a=c;c=(e|0)<0;a=c?H[d+4>>2]:a;f=c?H[d>>2]:d;while(1){c=I[b+27|0];g=c<<24>>24<0;c=g?H[b+20>>2]:c;i=c>>>0>>0;e:{f:{g:{h:{i:{j:{h=i?c:a;if(h){g=g?H[b+16>>2]:b+16|0;j=Fa(f,g,h);if(j){break j}if(a>>>0>=c>>>0){break i}break e}if(a>>>0>=c>>>0){break h}break e}if((j|0)<0){break e}}c=Fa(g,f,h);if(c){break g}}if(i){break f}a=1;break d}if((c|0)<0){break f}a=1;break d}b=b+4|0}b=H[b>>2];if(b){continue}break}a=0}if((e|0)<0){oa(H[d>>2])}ca=d+16|0;break a}Na();v()}return a|0}function fd(a,b){var c=0,d=0;c=H[b+8>>2];H[a+4>>2]=H[b+4>>2];H[a+8>>2]=c;H[a+20>>2]=H[b+20>>2];c=H[b+16>>2];H[a+12>>2]=H[b+12>>2];H[a+16>>2]=c;a:{b:{if((a|0)!=(b|0)){c=H[b+28>>2];if(c){d=H[a+24>>2];if(H[a+32>>2]<<5>>>0>>0){if(d){oa(d);H[a+32>>2]=0;H[a+24>>2]=0;H[a+28>>2]=0;c=H[b+28>>2]}if((c|0)<0){break b}c=(c-1>>>5|0)+1|0;d=pa(c<<2);H[a+32>>2]=c;H[a+28>>2]=0;H[a+24>>2]=d;c=H[b+28>>2]}va(d,H[b+24>>2],(c-1>>>3&536870908)+4|0);c=H[b+28>>2]}else{c=0}H[a+28>>2]=c;c=H[b+40>>2];if(c){d=H[a+36>>2];if(H[a+44>>2]<<5>>>0>>0){if(d){oa(d);H[a+44>>2]=0;H[a+36>>2]=0;H[a+40>>2]=0;c=H[b+40>>2]}if((c|0)<0){break a}c=(c-1>>>5|0)+1|0;d=pa(c<<2);H[a+44>>2]=c;H[a+40>>2]=0;H[a+36>>2]=d;c=H[b+40>>2]}va(d,H[b+36>>2],(c-1>>>3&536870908)+4|0);b=H[b+40>>2]}else{b=0}H[a+40>>2]=b}return}sa();v()}sa();v()}function uc(a){var b=0,c=0,d=0;b=H[a+8>>2];d=H[a>>2];a:{if(I[a+12|0]){b:{c:{d:{e:{if((b|0)==-1){break e}c=b+1|0;b=(c>>>0)%3|0?c:b-2|0;if((b|0)==-1){break e}b=H[H[d+12>>2]+(b<<2)>>2];if((b|0)!=-1){break d}}H[a+8>>2]=-1;break c}c=b+1|0;b=(c>>>0)%3|0?c:b-2|0;H[a+8>>2]=b;if((b|0)!=-1){break b}}c=H[a+4>>2];b=-1;f:{if((c|0)==-1){break f}g:{if((c>>>0)%3|0){c=c-1|0;break g}c=c+2|0;b=-1;if((c|0)==-1){break f}}c=H[H[d+12>>2]+(c<<2)>>2];b=-1;if((c|0)==-1){break f}b=c-1|0;if((c>>>0)%3|0){break f}b=c+2|0}F[a+12|0]=0;H[a+8>>2]=b;return}if((b|0)!=H[a+4>>2]){break a}H[a+8>>2]=-1;return}c=-1;h:{if((b|0)==-1){break h}i:{if((b>>>0)%3|0){b=b-1|0;break i}b=b+2|0;c=-1;if((b|0)==-1){break h}}b=H[H[d+12>>2]+(b<<2)>>2];c=-1;if((b|0)==-1){break h}c=b-1|0;if((b>>>0)%3|0){break h}c=b+2|0}H[a+8>>2]=c}}function Rf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0;f=ca-32|0;ca=f;d=H[a+28>>2];H[f+16>>2]=d;g=H[a+20>>2];H[f+28>>2]=c;H[f+24>>2]=b;b=g-d|0;H[f+20>>2]=b;g=b+c|0;i=2;a:{b:{b=f+16|0;d=Z(H[a+60>>2],b|0,2,f+12|0)|0;if(d){H[3992]=d;d=-1}else{d=0}c:{d:{if(d){d=b;break d}while(1){e=H[f+12>>2];if((e|0)==(g|0)){break c}if((e|0)<0){d=b;break b}h=H[b+4>>2];j=h>>>0>>0;d=(j<<3)+b|0;h=e-(j?h:0)|0;H[d>>2]=h+H[d>>2];b=(j?12:4)+b|0;H[b>>2]=H[b>>2]-h;g=g-e|0;b=d;i=i-j|0;e=Z(H[a+60>>2],b|0,i|0,f+12|0)|0;if(e){H[3992]=e;e=-1}else{e=0}if(!e){continue}break}}if((g|0)!=-1){break b}}b=H[a+44>>2];H[a+28>>2]=b;H[a+20>>2]=b;H[a+16>>2]=b+H[a+48>>2];a=c;break a}H[a+28>>2]=0;H[a+16>>2]=0;H[a+20>>2]=0;H[a>>2]=H[a>>2]|32;a=0;if((i|0)==2){break a}a=c-H[d+4>>2]|0}ca=f+32|0;return a|0}function Ih(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0;e=H[a+4>>2];d=H[e>>2];a:{b=H[a+12>>2];c=H[b+56>>2]-H[b+52>>2]|0;f=c>>2;b:{if(f>>>0<=H[e+8>>2]-d>>2>>>0){break b}if((c|0)<0){break a}b=H[e+4>>2];c=pa(c);f=c+(f<<2)|0;g=c+(b-d&-4)|0;c=g;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;H[c>>2]=H[b>>2];if((b|0)!=(d|0)){continue}break}}H[e+8>>2]=f;H[e+4>>2]=g;H[e>>2]=c;if(!d){break b}oa(d)}e=a+8|0;b=H[a+76>>2];c:{if(b){d=H[b>>2];if((d|0)==H[b+4>>2]){return 1}b=0;while(1){c=we(e,H[(b<<2)+d>>2]);if(!c){break c}f=H[a+76>>2];d=H[f>>2];b=b+1|0;if(b>>>0>2]-d>>2>>>0){continue}break}break c}c=1;a=H[H[a+12>>2]+64>>2];a=H[a+4>>2]-H[a>>2]|0;if(a>>>0<12){break c}a=(a>>2>>>0)/3|0;b=0;while(1){c=we(e,N(b,3));if(!c){break c}b=b+1|0;if((a|0)!=(b|0)){continue}break}}return c|0}sa();v()}function Oh(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0;e=H[a+4>>2];d=H[e>>2];a:{b=H[a+12>>2];c=H[b+28>>2]-H[b+24>>2]|0;f=c>>2;b:{if(f>>>0<=H[e+8>>2]-d>>2>>>0){break b}if((c|0)<0){break a}b=H[e+4>>2];c=pa(c);f=c+(f<<2)|0;g=c+(b-d&-4)|0;c=g;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;H[c>>2]=H[b>>2];if((b|0)!=(d|0)){continue}break}}H[e+8>>2]=f;H[e+4>>2]=g;H[e>>2]=c;if(!d){break b}oa(d)}e=a+8|0;b=H[a+76>>2];c:{if(b){d=H[b>>2];if((d|0)==H[b+4>>2]){return 1}b=0;while(1){c=xe(e,H[(b<<2)+d>>2]);if(!c){break c}f=H[a+76>>2];d=H[f>>2];b=b+1|0;if(b>>>0>2]-d>>2>>>0){continue}break}break c}c=1;a=H[a+12>>2];a=H[a+4>>2]-H[a>>2]|0;if(a>>>0<12){break c}a=(a>>2>>>0)/3|0;b=0;while(1){c=xe(e,N(b,3));if(!c){break c}b=b+1|0;if((a|0)!=(b|0)){continue}break}}return c|0}sa();v()}function Te(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;g=H[b+8>>2];h=H[b+12>>2];c=H[b+20>>2];i=c;e=H[b+16>>2];d=e+4|0;c=d>>>0<4?c+1|0:c;a:{if(d>>>0>g>>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break a}j=H[b>>2];f=e+j|0;f=I[f|0]|I[f+1|0]<<8|(I[f+2|0]<<16|I[f+3|0]<<24);H[b+16>>2]=d;H[b+20>>2]=c;k=J[b+38>>1];if(k>>>0<=513){c=i;d=e+8|0;c=d>>>0<8?c+1|0:c;if(d>>>0>g>>>0&(c|0)>=(h|0)|(c|0)>(h|0)){break a}H[b+16>>2]=d;H[b+20>>2]=c}if(!(f&1)){break a}e=Q(f)^31;if(e-1>>>0>28){break a}H[a+8>>2]=e+1;i=-2<>2]=e;H[a+12>>2]=i^-1;H[a+24>>2]=e>>1;L[a+20>>2]=O(2)/O(e|0);if(k>>>0<=513){if((c|0)>=(h|0)&d>>>0>=g>>>0|(c|0)>(h|0)){break a}g=I[d+j|0];d=d+1|0;c=d?c:c+1|0;H[b+16>>2]=d;H[b+20>>2]=c;if(g>>>0>1){break a}H[a+72>>2]=g}l=ta(a+96|0,b)}return l|0}function Se(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;f=H[b+8>>2];g=H[b+12>>2];c=H[b+20>>2];h=c;i=H[b+16>>2];e=i+4|0;c=e>>>0<4?c+1|0:c;a:{if(e>>>0>f>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break a}j=H[b>>2];d=i+j|0;d=I[d|0]|I[d+1|0]<<8|(I[d+2|0]<<16|I[d+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=c;c=h;e=i+8|0;c=e>>>0<8?c+1|0:c;if(e>>>0>f>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break a}H[b+16>>2]=e;H[b+20>>2]=c;if(!(d&1)){break a}d=Q(d)^31;if(d-1>>>0>28){break a}H[a+8>>2]=d+1;k=-2<>2]=d;H[a+12>>2]=k^-1;H[a+24>>2]=d>>1;L[a+20>>2]=O(2)/O(d|0);if(J[b+38>>1]<=513){if((c|0)>=(g|0)&e>>>0>=f>>>0|(c|0)>(g|0)){break a}c=I[e+j|0];f=i+9|0;h=f>>>0<9?h+1|0:h;H[b+16>>2]=f;H[b+20>>2]=h;if(c>>>0>1){break a}H[a+72>>2]=c}l=ta(a+96|0,b)}return l|0} +function va(a,b,c){var d=0,e=0;a:{if((a|0)==(b|0)){break a}e=a+c|0;if(b-e>>>0<=0-(c<<1)>>>0){return qa(a,b,c)}d=(a^b)&3;b:{c:{if(a>>>0>>0){if(d){d=a;break b}if(!(a&3)){d=a;break c}d=a;while(1){if(!c){break a}F[d|0]=I[b|0];b=b+1|0;c=c-1|0;d=d+1|0;if(d&3){continue}break}break c}d:{if(d){break d}if(e&3){while(1){if(!c){break a}c=c-1|0;d=c+a|0;F[d|0]=I[b+c|0];if(d&3){continue}break}}if(c>>>0<=3){break d}while(1){c=c-4|0;H[c+a>>2]=H[b+c>>2];if(c>>>0>3){continue}break}}if(!c){break a}while(1){c=c-1|0;F[c+a|0]=I[b+c|0];if(c){continue}break}break a}if(c>>>0<=3){break b}while(1){H[d>>2]=H[b>>2];b=b+4|0;d=d+4|0;c=c-4|0;if(c>>>0>3){continue}break}}if(!c){break a}while(1){F[d|0]=I[b|0];d=d+1|0;b=b+1|0;c=c-1|0;if(c){continue}break}}return a}function ff(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;h=H[c+12>>2];f=h;e=H[c+20>>2];i=H[c+8>>2];g=H[c+16>>2];a:{if((f|0)<=(e|0)&i>>>0<=g>>>0|(e|0)>(f|0)){break a}j=H[c>>2];k=F[j+g|0];d=e;f=g+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;b:{if((k|0)==-2){break b}if((d|0)>=(h|0)&f>>>0>=i>>>0|(d|0)>(h|0)){break a}d=F[f+j|0];g=g+2|0;e=g>>>0<2?e+1|0:e;H[c+16>>2]=g;H[c+20>>2]=e;if((d-4&255)>>>0<251){break a}e=ea[H[H[a>>2]+40>>2]](a,k,d)|0;d=H[a+20>>2];H[a+20>>2]=e;if(!d){break b}ea[H[H[d>>2]+4>>2]](d)}d=H[a+20>>2];if(d){if(!(ea[H[H[a>>2]+28>>2]](a,d)|0)){break a}}if(!(ea[H[H[a>>2]+36>>2]](a,b,c)|0)){break a}c=H[a+4>>2];if(!(!c|I[c+36|0]>1)){if(!(ea[H[H[a>>2]+48>>2]](a,H[b+4>>2]-H[b>>2]>>2)|0)){break a}}l=1}return l|0}function Vb(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;d=H[a+8>>2];c=H[a+4>>2];if(d-c>>2>>>0>=b>>>0){if(b){b=b<<2;c=ra(c,0,b)+b|0}H[a+4>>2]=c;return}a:{b:{c:{g=H[a>>2];f=c-g>>2;e=f+b|0;if(e>>>0<1073741824){d=d-g|0;h=d>>>1|0;e=d>>>0>=2147483644?1073741823:e>>>0>>0?h:e;if(e){if(e>>>0>=1073741824){break c}i=pa(e<<2)}d=(f<<2)+i|0;f=b<<2;b=ra(d,0,f);f=b+f|0;e=(e<<2)+i|0;if((c|0)==(g|0)){break b}while(1){c=c-4|0;b=H[c>>2];H[c>>2]=0;d=d-4|0;H[d>>2]=b;if((c|0)!=(g|0)){continue}break}H[a+8>>2]=e;b=H[a+4>>2];H[a+4>>2]=f;c=H[a>>2];H[a>>2]=d;if((b|0)==(c|0)){break a}while(1){b=b-4|0;a=H[b>>2];H[b>>2]=0;if(a){ea[H[H[a>>2]+4>>2]](a)}if((b|0)!=(c|0)){continue}break}break a}sa();v()}wa();v()}H[a+8>>2]=e;H[a+4>>2]=f;H[a>>2]=b}if(c){oa(c)}}function Md(a,b,c){a:{switch(b-9|0){case 0:b=H[c>>2];H[c>>2]=b+4;H[a>>2]=H[b>>2];return;case 6:b=H[c>>2];H[c>>2]=b+4;b=G[b>>1];H[a>>2]=b;H[a+4>>2]=b>>31;return;case 7:b=H[c>>2];H[c>>2]=b+4;H[a>>2]=J[b>>1];H[a+4>>2]=0;return;case 8:b=H[c>>2];H[c>>2]=b+4;b=F[b|0];H[a>>2]=b;H[a+4>>2]=b>>31;return;case 9:b=H[c>>2];H[c>>2]=b+4;H[a>>2]=I[b|0];H[a+4>>2]=0;return;case 16:b=H[c>>2]+7&-8;H[c>>2]=b+8;M[a>>3]=M[b>>3];return;case 17:v();default:return;case 1:case 4:case 14:b=H[c>>2];H[c>>2]=b+4;b=H[b>>2];H[a>>2]=b;H[a+4>>2]=b>>31;return;case 2:case 5:case 11:case 15:b=H[c>>2];H[c>>2]=b+4;H[a>>2]=H[b>>2];H[a+4>>2]=0;return;case 3:case 10:case 12:case 13:break a}}b=H[c>>2]+7&-8;H[c>>2]=b+8;c=H[b+4>>2];H[a>>2]=H[b>>2];H[a+4>>2]=c}function Ed(a,b){var c=0,d=0,e=0;c=ca+-64|0;ca=c;d=H[a>>2];e=H[d-4>>2];d=H[d-8>>2];H[c+32>>2]=0;H[c+36>>2]=0;H[c+40>>2]=0;H[c+44>>2]=0;H[c+48>>2]=0;H[c+52>>2]=0;F[c+55|0]=0;F[c+56|0]=0;F[c+57|0]=0;F[c+58|0]=0;F[c+59|0]=0;F[c+60|0]=0;F[c+61|0]=0;F[c+62|0]=0;H[c+24>>2]=0;H[c+28>>2]=0;H[c+20>>2]=0;H[c+16>>2]=14924;H[c+12>>2]=a;H[c+8>>2]=b;a=a+d|0;d=0;a:{if(Ya(e,b,0)){H[c+56>>2]=1;ea[H[H[e>>2]+20>>2]](e,c+8|0,a,a,1,0);d=H[c+32>>2]==1?a:0;break a}ea[H[H[e>>2]+24>>2]](e,c+8|0,a,1,0);b:{switch(H[c+44>>2]){case 0:d=H[c+48>>2]==1?H[c+36>>2]==1?H[c+40>>2]==1?H[c+28>>2]:0:0:0;break a;case 1:break b;default:break a}}if(H[c+32>>2]!=1){if(H[c+48>>2]|H[c+36>>2]!=1|H[c+40>>2]!=1){break a}}d=H[c+24>>2]}ca=c- -64|0;return d}function ua(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;H[a+16>>2]=0;e=H[a>>2];H[a+4>>2]=e;H[a+12>>2]=e;e=H[b+8>>2];c=H[b+12>>2];h=c;d=H[b+20>>2];f=H[b+16>>2];g=f+4|0;d=g>>>0<4?d+1|0:d;a:{if(e>>>0>>0&(d|0)>=(c|0)|(d|0)>(c|0)){break a}c=f+H[b>>2]|0;c=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[b+16>>2]=g;H[b+20>>2]=d;if(!c|c&3){break a}f=h-(d+(e>>>0>>0)|0)|0;if(e-g>>>0>>0&(f|0)<=0|(f|0)<0){break a}if(c>>>0>=4){ya(a,c>>>2|0);h=H[b+12>>2];g=H[b+16>>2];d=H[b+20>>2];e=H[b+8>>2]}f=c+g|0;d=f>>>0>>0?d+1|0:d;if(e>>>0>>0&(d|0)>=(h|0)|(d|0)>(h|0)){break a}qa(H[a>>2],H[b>>2]+g|0,c);d=H[b+20>>2];e=c+H[b+16>>2]|0;d=e>>>0>>0?d+1|0:d;H[b+16>>2]=e;H[b+20>>2]=d;H[a+16>>2]=0;H[a+12>>2]=H[a>>2];i=1}return i}function de(a,b){var c=0,d=0,e=0,f=0;d=-1;e=-1;f=-1;a:{b:{if((b|0)==-1){break b}e=H[H[H[a+4>>2]+12>>2]+(b<<2)>>2];c=b+1|0;c=(c>>>0)%3|0?c:b-2|0;if((c|0)>=0){f=(c>>>0)/3|0;f=H[(H[H[a>>2]+96>>2]+N(f,12)|0)+(c-N(f,3)<<2)>>2]}c:{if((e|0)==-1){break c}c=((e>>>0)%3|0?-1:2)+e|0;if((c|0)<0){break c}d=(c>>>0)/3|0;d=H[(H[H[a>>2]+96>>2]+N(d,12)|0)+(c-N(d,3)<<2)>>2]}c=-1;if((d|0)!=(f|0)){break a}f=-1;d:{b=((b>>>0)%3|0?-1:2)+b|0;if((b|0)>=0){d=(b>>>0)/3|0;d=H[(H[H[a>>2]+96>>2]+N(d,12)|0)+(b-N(d,3)<<2)>>2];if((e|0)==-1){break b}break d}d=-1;if((e|0)!=-1){break d}break b}b=e+1|0;b=(b>>>0)%3|0?b:e-2|0;if((b|0)<0){break b}c=H[H[a>>2]+96>>2];a=(b>>>0)/3|0;f=H[(c+N(a,12)|0)+(b-N(a,3)<<2)>>2]}c=(d|0)!=(f|0)?-1:e}return c}function Ah(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0;c=pa(72);H[c+4>>2]=0;H[c+8>>2]=0;H[c>>2]=1984;H[c+12>>2]=0;H[c+16>>2]=0;H[c+20>>2]=0;H[c+24>>2]=0;H[c+28>>2]=0;H[c+32>>2]=0;H[c+36>>2]=0;H[c+40>>2]=0;H[c>>2]=2128;H[c+44>>2]=0;H[c+48>>2]=0;H[c+52>>2]=0;H[c+56>>2]=0;H[c+60>>2]=0;H[c+64>>2]=0;H[c+68>>2]=0;h=c;a:{if((b|0)>=0){g=a+8|0;c=H[a+12>>2];e=H[a+8>>2];f=c-e>>2;b:{if((f|0)>(b|0)){break b}d=b+1|0;if(b>>>0>=f>>>0){Vb(g,d-f|0);break b}if(d>>>0>=f>>>0){break b}e=(d<<2)+e|0;if((e|0)!=(c|0)){while(1){c=c-4|0;d=H[c>>2];H[c>>2]=0;if(d){ea[H[H[d>>2]+4>>2]](d)}if((c|0)!=(e|0)){continue}break}}H[a+12>>2]=e}a=H[g>>2]+(b<<2)|0;c=H[a>>2];H[a>>2]=h;if(!c){break a}}ea[H[H[c>>2]+4>>2]](c)}return(b^-1)>>>31|0}function ra(a,b,c){var d=0,e=0,f=0,g=0;a:{if(!c){break a}F[a|0]=b;d=a+c|0;F[d-1|0]=b;if(c>>>0<3){break a}F[a+2|0]=b;F[a+1|0]=b;F[d-3|0]=b;F[d-2|0]=b;if(c>>>0<7){break a}F[a+3|0]=b;F[d-4|0]=b;if(c>>>0<9){break a}d=0-a&3;e=d+a|0;b=N(b&255,16843009);H[e>>2]=b;d=c-d&-4;c=d+e|0;H[c-4>>2]=b;if(d>>>0<9){break a}H[e+8>>2]=b;H[e+4>>2]=b;H[c-8>>2]=b;H[c-12>>2]=b;if(d>>>0<25){break a}H[e+24>>2]=b;H[e+20>>2]=b;H[e+16>>2]=b;H[e+12>>2]=b;H[c-16>>2]=b;H[c-20>>2]=b;H[c-24>>2]=b;H[c-28>>2]=b;g=e&4|24;c=d-g|0;if(c>>>0<32){break a}d=Rj(b,0,1,1);f=da;b=e+g|0;while(1){H[b+24>>2]=d;H[b+28>>2]=f;H[b+16>>2]=d;H[b+20>>2]=f;H[b+8>>2]=d;H[b+12>>2]=f;H[b>>2]=d;H[b+4>>2]=f;b=b+32|0;c=c-32|0;if(c>>>0>31){continue}break}}return a}function Mj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;d=H[b+8>>2];e=H[b+12>>2];g=e;e=H[b+20>>2];k=e;h=H[b+16>>2];c=h+4|0;e=c>>>0<4?e+1|0:e;i=c;a:{if(c>>>0>d>>>0&(e|0)>=(g|0)|(e|0)>(g|0)){break a}j=H[b>>2];c=j+h|0;f=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[b+16>>2]=i;H[b+20>>2]=e;c=d;d=k;e=h+8|0;d=e>>>0<8?d+1|0:d;if(c>>>0>>0&(d|0)>=(g|0)|(d|0)>(g|0)){break a}c=i+j|0;c=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[b+16>>2]=e;H[b+20>>2]=d;if((c|0)<(f|0)){break a}H[a+16>>2]=c;H[a+12>>2]=f;d=(c>>31)-((f>>31)+(c>>>0>>0)|0)|0;b=c-f|0;if(!d&b>>>0>2147483646|d){break a}l=1;d=b+1|0;H[a+20>>2]=d;b=d>>>1|0;H[a+24>>2]=b;H[a+28>>2]=0-b;if(d&1){break a}H[a+24>>2]=b-1}return l|0}function sd(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;e=a+16|0;d=H[e>>2];a:{if(!d){break a}f=H[b>>2];b=e;while(1){g=(f|0)>H[d+16>>2];b=g?b:d;d=H[(g?d+4|0:d)>>2];if(d){continue}break}if((b|0)==(e|0)|(f|0)>2]){break a}d=H[b+24>>2];if(!d){break a}f=b+20|0;b=I[c+11|0];e=b<<24>>24<0;g=e?H[c>>2]:c;b=e?H[c+4>>2]:b;while(1){e=I[d+27|0];h=e<<24>>24<0;e=h?H[d+20>>2]:e;j=e>>>0>>0;b:{c:{d:{e:{f:{g:{i=j?e:b;if(i){h=h?H[d+16>>2]:d+16|0;k=Fa(g,h,i);if(k){break g}if(b>>>0>=e>>>0){break f}break b}if(b>>>0>=e>>>0){break e}break b}if((k|0)<0){break b}}e=Fa(h,g,i);if(e){break d}}if(j){break c}return Tc(f,c)}if((e|0)<0){break c}return Tc(f,c)}d=d+4|0}d=H[d>>2];if(d){continue}break}}return Tc(a,c)}function be(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;d=ca-16|0;ca=d;f=H[a+24>>2];k=H[a+28>>2];a:{if((f|0)!=(k|0)){while(1){H[d+8>>2]=0;H[d>>2]=0;H[d+4>>2]=0;a=$d(H[f>>2],b,d);g=I[d+11|0];h=g<<24>>24;i=3;b:{c:{d:{if(!a){break d}i=0;a=I[c+11|0];e=a<<24>>24;j=(h|0)<0?H[d+4>>2]:g;if((j|0)!=(((e|0)<0?H[c+4>>2]:a)|0)){break d}a=(e|0)<0?H[c>>2]:c;e=(h|0)<0;e:{if(!e){e=d;if(!h){break e}while(1){if(I[e|0]!=I[a|0]){break d}a=a+1|0;e=e+1|0;g=g-1|0;if(g){continue}break}break e}if(!j){break e}if(Fa(e?H[d>>2]:d,a,j)){break c}}l=H[f>>2];i=1}if((h|0)>=0){break b}}oa(H[d>>2])}f:{switch(i|0){case 0:case 3:break f;default:break a}}f=f+4|0;if((k|0)!=(f|0)){continue}break}}l=0}ca=d+16|0;return l}function Cb(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0;f=c-b|0;h=f>>2;d=H[a+8>>2];e=H[a>>2];if(h>>>0<=d-e>>2>>>0){d=H[a+4>>2];g=d-e|0;f=g+b|0;i=g>>2;g=i>>>0>>0?f:c;if((g|0)!=(b|0)){while(1){H[e>>2]=H[b>>2];e=e+4|0;b=b+4|0;if((g|0)!=(b|0)){continue}break}}if(h>>>0>i>>>0){if((c|0)!=(g|0)){while(1){H[d>>2]=H[f>>2];d=d+4|0;f=f+4|0;if((f|0)!=(c|0)){continue}break}}H[a+4>>2]=d;return}H[a+4>>2]=e;return}if(e){H[a+4>>2]=e;oa(e);H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;d=0}a:{if((f|0)<0){break a}e=d>>>1|0;d=d>>>0>=2147483644?1073741823:e>>>0>h>>>0?e:h;if(d>>>0>=1073741824){break a}e=d<<2;d=pa(e);H[a>>2]=d;H[a+8>>2]=d+e;if((b|0)!=(c|0)){c=b;b=(f-4&-4)+4|0;d=qa(d,c,b)+b|0}H[a+4>>2]=d;return}sa();v()}function Oa(a,b,c){var d=0,e=0,f=0;e=ca-16|0;ca=e;H[a+4>>2]=0;a:{b:{if(!b){break b}f=H[a+8>>2];d=f<<5;c:{if(d>>>0>=b>>>0){H[a+4>>2]=b;break c}H[e+8>>2]=0;H[e>>2]=0;H[e+4>>2]=0;if((b|0)<0){break a}if(d>>>0<=1073741822){f=f<<6;d=b+31&-32;d=d>>>0>>0?f:d}else{d=2147483647}pb(e,d);f=H[a>>2];H[a>>2]=H[e>>2];H[e>>2]=f;d=H[a+4>>2];H[a+4>>2]=b;H[e+4>>2]=d;d=H[a+8>>2];H[a+8>>2]=H[e+8>>2];H[e+8>>2]=d;if(!f){break c}oa(f)}d=b>>>5|0;a=H[a>>2];if(I[c|0]){if(b>>>0>=32){ra(a,255,d<<2)}if((b&-32)==(b|0)){break b}a=a+(d<<2)|0;H[a>>2]=H[a>>2]|-1>>>32-(b&31);break b}if(b>>>0>=32){ra(a,0,d<<2)}if((b&-32)==(b|0)){break b}a=a+(d<<2)|0;H[a>>2]=H[a>>2]&(-1>>>32-(b&31)^-1)}ca=e+16|0;return}sa();v()}function Hg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;e=ca-32|0;ca=e;a:{b:{f=Ma(c);if(f>>>0<2147483632){c:{d:{if(f>>>0>=11){a=(f|15)+1|0;g=pa(a);H[e+24>>2]=a|-2147483648;H[e+16>>2]=g;H[e+20>>2]=f;a=f+g|0;break d}F[e+27|0]=f;g=e+16|0;a=f+g|0;if(!f){break c}}qa(g,c,f)}F[a|0]=0;c=Ma(d);if(c>>>0>=2147483632){break b}e:{f:{if(c>>>0>=11){f=(c|15)+1|0;a=pa(f);H[e+8>>2]=f|-2147483648;H[e>>2]=a;H[e+4>>2]=c;g=a+c|0;break f}F[e+11|0]=c;g=c+e|0;a=e;if(!c){break e}}qa(a,d,c)}F[g|0]=0;c=H[b+4>>2];a=-1;g:{if(!c){break g}c=be(c,e+16|0,e);a=-1;if(!c){break g}a=Yd(b,H[c+24>>2])}if(F[e+11|0]<0){oa(H[e>>2])}if(F[e+27|0]<0){oa(H[e+16>>2])}ca=e+32|0;break a}Na();v()}Na();v()}return a|0}function jb(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;b=H[b>>2];h=H[b+8>>2];i=H[b+4>>2];j=H[b>>2];d=H[a>>2];b=H[d+4>>2];a=H[d+8>>2];if(b>>>0>>0){H[b+8>>2]=h;H[b+4>>2]=i;H[b>>2]=j;H[d+4>>2]=b+12;return}a:{e=H[d>>2];g=(b-e|0)/12|0;c=g+1|0;if(c>>>0<357913942){f=(a-e|0)/12|0;a=f<<1;c=f>>>0>=178956970?357913941:a>>>0>c>>>0?a:c;if(c){if(c>>>0>=357913942){break a}f=pa(N(c,12))}else{f=0}a=f+N(g,12)|0;H[a+8>>2]=h;H[a+4>>2]=i;H[a>>2]=j;g=a+12|0;if((b|0)!=(e|0)){while(1){a=a-12|0;b=b-12|0;H[a>>2]=H[b>>2];H[a+4>>2]=H[b+4>>2];H[a+8>>2]=H[b+8>>2];if((b|0)!=(e|0)){continue}break}}H[d+8>>2]=f+N(c,12);H[d+4>>2]=g;H[d>>2]=a;if(e){oa(e)}return}sa();v()}wa();v()}function lf(a,b){a=a|0;b=b|0;a=0;a:{switch(b|0){case 0:a=pa(20);H[a+12>>2]=-1;H[a+16>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=2232;return a|0;case 1:a=pa(24);H[a+12>>2]=-1;H[a+16>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=2232;H[a+20>>2]=0;H[a>>2]=2448;return a|0;case 2:a=pa(48);H[a+12>>2]=-1;H[a+16>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=2232;H[a+20>>2]=0;H[a>>2]=2448;H[a+24>>2]=1832;H[a>>2]=11048;H[a+32>>2]=0;H[a+36>>2]=0;H[a+28>>2]=-1;H[a+40>>2]=0;H[a+44>>2]=0;return a|0;case 3:a=pa(32);H[a+12>>2]=-1;H[a+16>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=2232;H[a+20>>2]=0;H[a>>2]=2448;H[a+24>>2]=1032;H[a>>2]=7028;H[a+28>>2]=-1;break;default:break a}}return a|0}function tf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;f=H[b>>2];b=H[b+4>>2];d=H[H[a+8>>2]+40>>2];j=d;m=pa((d|0)<0?-1:d);i=b-f|0;e=1;a:{if((i|0)<4){break a}b=0;g=H[c+16>>2];k=d;f=g+d|0;d=0+H[c+20>>2]|0;d=f>>>0>>0?d+1|0:d;h=H[c+12>>2];e=0;if(K[c+8>>2]>>0&(d|0)>=(h|0)|(d|0)>(h|0)){break a}e=i>>2;i=(e|0)<=1?1:e;while(1){b:{g=qa(m,H[c>>2]+g|0,j);H[c+16>>2]=f;H[c+20>>2]=d;qa(H[H[H[a+8>>2]+64>>2]>>2]+b|0,g,j);l=l+1|0;if((i|0)==(l|0)){break b}b=b+j|0;d=n+H[c+20>>2]|0;g=H[c+16>>2];f=k+g|0;d=f>>>0>>0?d+1|0:d;h=H[c+12>>2];if((d|0)<=(h|0)&K[c+8>>2]>=f>>>0|(d|0)<(h|0)){continue}}break}e=(e|0)<=(l|0)}oa(m);return e|0}function Ti(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;H[b>>2]=1;f=b+8|0;c=H[b+8>>2];d=H[b+12>>2]-c|0;if(d>>>0<=4294967291){kc(f,d+4|0);c=H[f>>2]}c=c+d|0;d=H[a+4>>2];F[c|0]=d;F[c+1|0]=d>>>8;F[c+2|0]=d>>>16;F[c+3|0]=d>>>24;c=H[a+8>>2];if((c|0)!=H[a+12>>2]){d=0;while(1){g=(d<<2)+c|0;c=H[b+8>>2];e=H[b+12>>2]-c|0;if(e>>>0<=4294967291){kc(f,e+4|0);c=H[f>>2]}c=c+e|0;e=H[g>>2];F[c|0]=e;F[c+1|0]=e>>>8;F[c+2|0]=e>>>16;F[c+3|0]=e>>>24;d=d+1|0;c=H[a+8>>2];if(d>>>0>2]-c>>2>>>0){continue}break}}c=H[b+12>>2];b=H[b+8>>2];c=c-b|0;if(c>>>0<=4294967291){kc(f,c+4|0);b=H[f>>2]}b=b+c|0;a=H[a+20>>2];F[b|0]=a;F[b+1|0]=a>>>8;F[b+2|0]=a>>>16;F[b+3|0]=a>>>24}function Aa(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0;f=c-b|0;g=f>>2;d=H[a+8>>2];e=H[a>>2];if(g>>>0<=d-e>>2>>>0){f=H[a+4>>2]-e|0;d=f+b|0;h=f>>2;f=h>>>0>>0?d:c;i=f-b|0;if((b|0)!=(f|0)){va(e,b,i)}if(g>>>0>h>>>0){b=H[a+4>>2];if((c|0)!=(f|0)){while(1){H[b>>2]=H[d>>2];b=b+4|0;d=d+4|0;if((d|0)!=(c|0)){continue}break}}H[a+4>>2]=b;return}H[a+4>>2]=e+i;return}if(e){H[a+4>>2]=e;oa(e);H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;d=0}a:{if((f|0)<0){break a}e=d>>>1|0;d=d>>>0>=2147483644?1073741823:e>>>0>g>>>0?e:g;if(d>>>0>=1073741824){break a}e=d<<2;d=pa(e);H[a>>2]=d;H[a+8>>2]=d+e;if((b|0)!=(c|0)){c=b;b=(f-4&-4)+4|0;d=qa(d,c,b)+b|0}H[a+4>>2]=d;return}sa();v()}function Rb(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;c=H[a+4>>2];if((c|0)!=H[a+8>>2]){e=H[b+4>>2];H[c>>2]=H[b>>2];H[c+4>>2]=e;H[c+8>>2]=H[b+8>>2];H[a+4>>2]=c+12;return}a:{g=H[a>>2];d=(c-g|0)/12|0;e=d+1|0;if(e>>>0<357913942){f=d<<1;f=d>>>0>=178956970?357913941:e>>>0>>0?f:e;if(f){if(f>>>0>=357913942){break a}e=pa(N(f,12))}else{e=0}d=e+N(d,12)|0;h=H[b+4>>2];H[d>>2]=H[b>>2];H[d+4>>2]=h;H[d+8>>2]=H[b+8>>2];b=d+12|0;if((c|0)!=(g|0)){while(1){c=c-12|0;h=H[c+4>>2];d=d-12|0;H[d>>2]=H[c>>2];H[d+4>>2]=h;H[d+8>>2]=H[c+8>>2];if((c|0)!=(g|0)){continue}break}c=H[a>>2]}H[a+8>>2]=e+N(f,12);H[a+4>>2]=b;H[a>>2]=d;if(c){oa(c)}return}sa();v()}wa();v()}function Qi(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;f=ca-32|0;ca=f;g=e>>>0>1073741823?-1:e<<2;l=ra(pa(g),0,g);g=l;i=H[g>>2];g=H[g+4>>2];k=H[b+4>>2];H[f+24>>2]=H[b>>2];H[f+28>>2]=k;H[f+8>>2]=i;H[f+12>>2]=g;i=a+8|0;rc(f+16|0,i,f+8|0,f+24|0);H[c>>2]=H[f+16>>2];H[c+4>>2]=H[f+20>>2];if((d|0)>(e|0)){k=0-e<<2;a=e;while(1){h=a<<2;g=h+c|0;j=g+k|0;m=H[j>>2];j=H[j+4>>2];h=b+h|0;n=H[h+4>>2];H[f+24>>2]=H[h>>2];H[f+28>>2]=n;H[f+8>>2]=m;H[f+12>>2]=j;rc(f+16|0,i,f+8|0,f+24|0);H[g>>2]=H[f+16>>2];H[g+4>>2]=H[f+20>>2];a=a+e|0;if((d|0)>(a|0)){continue}break}}oa(l);ca=f+32|0;return 1}function Hi(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;f=ca-32|0;ca=f;h=e>>>0>1073741823?-1:e<<2;h=ra(pa(h),0,h);g=H[b>>2];i=H[b+4>>2];k=H[h+4>>2];H[f+16>>2]=H[h>>2];H[f+20>>2]=k;H[f+8>>2]=g;H[f+12>>2]=i;i=a+8|0;qc(f+24|0,i,f+16|0,f+8|0);H[c>>2]=H[f+24>>2];H[c+4>>2]=H[f+28>>2];if((d|0)>(e|0)){k=0-e<<2;a=e;while(1){g=a<<2;j=g+b|0;m=H[j>>2];j=H[j+4>>2];g=c+g|0;l=g+k|0;n=H[l+4>>2];H[f+16>>2]=H[l>>2];H[f+20>>2]=n;H[f+8>>2]=m;H[f+12>>2]=j;qc(f+24|0,i,f+16|0,f+8|0);H[g>>2]=H[f+24>>2];H[g+4>>2]=H[f+28>>2];a=a+e|0;if((d|0)>(a|0)){continue}break}}oa(h);ca=f+32|0;return 1}function Ag(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0;a:{if(K[b+80>>2]>65535){break a}a=H[b+100>>2];b=H[b+96>>2];e=(a-b|0)/12|0;f=N(e,6);g=(f|0)==(c|0);if((a|0)==(b|0)|(c|0)!=(f|0)){break a}g=1;c=e>>>0<=1?1:e;i=c&1;a=0;if(e>>>0>=2){j=c&-2;c=0;while(1){f=N(a,6);h=f+d|0;e=b+N(a,12)|0;G[h>>1]=H[e>>2];G[(f|2)+d>>1]=H[e+4>>2];G[h+4>>1]=H[e+8>>2];f=a|1;e=N(f,6)+d|0;f=b+N(f,12)|0;G[e>>1]=H[f>>2];G[e+2>>1]=H[f+4>>2];G[e+4>>1]=H[f+8>>2];a=a+2|0;c=c+2|0;if((j|0)!=(c|0)){continue}break}}if(!i){break a}c=N(a,6)+d|0;a=b+N(a,12)|0;G[c>>1]=H[a>>2];G[c+2>>1]=H[a+4>>2];G[c+4>>1]=H[a+8>>2]}return g|0}function Gd(a,b,c,d,e,f,g){var h=0,i=0,j=0;h=ca-16|0;ca=h;if((b^-1)+2147483631>>>0>=c>>>0){if(I[a+11|0]>>>7|0){i=H[a>>2]}else{i=a}if(b>>>0<1073741799){H[h+12>>2]=b<<1;H[h>>2]=b+c;c=ca-16|0;ca=c;ca=c+16|0;c=h+12|0;c=H[(K[h>>2]>2]?c:h)>>2];if(c>>>0>=11){j=c+16&-16;c=j-1|0;c=(c|0)==11?j:c}else{c=10}c=c+1|0}else{c=2147483631}Zb(h,c);c=H[h>>2];if(f){yb(c,g,f)}g=d-e|0;if((d|0)!=(e|0)){yb(c+f|0,e+i|0,g)}if((b|0)!=10){oa(i)}H[a>>2]=c;H[a+8>>2]=H[a+8>>2]&-2147483648|H[h+4>>2]&2147483647;H[a+8>>2]=H[a+8>>2]|-2147483648;b=a;a=f+g|0;H[b+4>>2]=a;F[h+12|0]=0;F[a+c|0]=I[h+12|0];ca=h+16|0;return}Na();v()}function Rg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0;a=ca-32|0;ca=a;H[a+24>>2]=0;H[a+28>>2]=0;a:{d=Ma(c);if(d>>>0<2147483632){b:{c:{if(d>>>0>=11){e=(d|15)+1|0;f=pa(e);H[a+16>>2]=e|-2147483648;H[a+8>>2]=f;H[a+12>>2]=d;e=d+f|0;break c}F[a+19|0]=d;f=a+8|0;e=f+d|0;if(!d){break b}}qa(f,c,d)}F[e|0]=0;c=b+4|0;b=nb(b,a+8|0);d:{if((c|0)==(b|0)){break d}c=H[b+32>>2];b=H[b+28>>2];if((c-b|0)!=8){break d}c=I[b+4|0]|I[b+5|0]<<8|(I[b+6|0]<<16|I[b+7|0]<<24);H[a+24>>2]=I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24);H[a+28>>2]=c}g=M[a+24>>3];if(F[a+19|0]<0){oa(H[a+8>>2])}ca=a+32|0;break a}Na();v()}return+g}function uf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0;f=1;a:{if((ea[H[H[b>>2]+20>>2]](b)|0)<=0){break a}while(1){f=0;c=Zd(H[H[a+4>>2]+4>>2],ea[H[H[b>>2]+24>>2]](b,g)|0);if((c|0)==-1){break a}e=H[a+4>>2];b:{if(I[e+36|0]<=1){if(ea[H[H[b>>2]+28>>2]](b,H[H[H[e+4>>2]+8>>2]+(c<<2)>>2])|0){break b}break a}d=0;c:{if((c|0)<0){break c}h=H[e+4>>2];if(H[h+12>>2]-H[h+8>>2]>>2<=(c|0)){break c}d=H[H[e+8>>2]+(H[H[e+20>>2]+(c<<2)>>2]<<2)>>2];d=ea[H[H[d>>2]+32>>2]](d,c)|0}if(!d){break a}if(!(ea[H[H[b>>2]+28>>2]](b,d)|0)){break a}}f=1;g=g+1|0;if((ea[H[H[b>>2]+20>>2]](b)|0)>(g|0)){continue}break}}return f|0}function tb(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0;H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;a:{b:{if(b){if(b>>>0>=357913942){break b}b=N(b,12);d=pa(b);H[a+4>>2]=d;H[a>>2]=d;e=b+d|0;H[a+8>>2]=e;f=H[c+4>>2];g=H[c>>2];c:{if((f|0)==(g|0)){b=b-12|0;ra(d,0,(b-((b>>>0)%12|0)|0)+12|0);break c}h=f-g|0;if((h|0)<0){break a}i=h&-4;while(1){H[d+8>>2]=0;H[d>>2]=0;H[d+4>>2]=0;b=pa(h);H[d>>2]=b;H[d+8>>2]=b+i;c=g;while(1){H[b>>2]=H[c>>2];b=b+4|0;c=c+4|0;if((f|0)!=(c|0)){continue}break}H[d+4>>2]=b;d=d+12|0;if((e|0)!=(d|0)){continue}break}}H[a+4>>2]=e}return}sa();v()}H[d+8>>2]=0;H[d>>2]=0;H[d+4>>2]=0;sa();v()}function Vi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;c=H[b+8>>2];d=H[b+12>>2];g=d;d=H[b+20>>2];i=d;h=H[b+16>>2];f=h+4|0;d=f>>>0<4?d+1|0:d;a:{if(c>>>0>>0&(d|0)>=(g|0)|(d|0)>(g|0)){break a}e=h+H[b>>2]|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[b+16>>2]=f;H[b+20>>2]=d;if(J[b+38>>1]<=513){f=c;c=i;d=h+8|0;c=d>>>0<8?c+1|0:c;if(d>>>0>f>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break a}H[b+16>>2]=d;H[b+20>>2]=c}if(!(e&1)){break a}b=Q(e)^31;if(b-1>>>0>28){break a}j=1;H[a+8>>2]=b+1;b=-2<>2]=c;H[a+12>>2]=b^-1;H[a+24>>2]=c>>1;L[a+20>>2]=O(2)/O(c|0)}return j|0}function Lc(a,b,c){var d=0,e=0,f=0,g=0;a:{f=b>>>0<1431655766&(b|c)>=0;b:{if(!f){break b}b=N(b,3);Kc(a,b,13648);Kc(a+12|0,b,13652);d=H[a+24>>2];c:{if(H[a+32>>2]-d>>2>>>0>=c>>>0){break c}if(c>>>0>=1073741824){break a}b=H[a+28>>2];e=c<<2;c=pa(e);e=c+e|0;g=c+(b-d&-4)|0;c=g;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;H[c>>2]=H[b>>2];if((b|0)!=(d|0)){continue}break}}H[a+32>>2]=e;H[a+28>>2]=g;H[a+24>>2]=c;if(!d){break c}oa(d)}H[a+80>>2]=0;H[a+84>>2]=0;b=H[a+76>>2];H[a+76>>2]=0;if(b){oa(b)}H[a+68>>2]=0;H[a+72>>2]=0;b=a- -64|0;a=H[b>>2];H[b>>2]=0;if(!a){break b}oa(a)}return f}sa();v()}function Fe(a){var b=0,c=0,d=0,e=0,f=0;f=1;c=H[a+140>>2];a:{if((c|0)<=0){break a}b=c<<4;d=pa(c>>>0>268435455?-1:b|4);H[d>>2]=c;d=d+4|0;c=d+b|0;b=d;while(1){H[b>>2]=0;H[b+4>>2]=0;F[b+5|0]=0;F[b+6|0]=0;F[b+7|0]=0;F[b+8|0]=0;F[b+9|0]=0;F[b+10|0]=0;F[b+11|0]=0;F[b+12|0]=0;b=b+16|0;if((c|0)!=(b|0)){continue}break}e=H[a+136>>2];H[a+136>>2]=d;if(e){c=e-4|0;d=H[c>>2];if(d){b=(d<<4)+e|0;while(1){b=b-16|0;if((e|0)!=(b|0)){continue}break}}oa(c)}b=0;if(H[a+140>>2]<=0){break a}while(1){f=ta(H[a+136>>2]+(b<<4)|0,a);if(!f){break a}b=b+1|0;if((b|0)>2]){continue}break}}return f}function mb(a,b){var c=0,d=0,e=0,f=0,g=0;a:{if(H[a+64>>2]){break a}c=pa(32);H[c+16>>2]=0;H[c+20>>2]=0;H[c+8>>2]=0;H[c>>2]=0;H[c+4>>2]=0;H[c+24>>2]=0;H[c+28>>2]=0;d=H[a+64>>2];H[a+64>>2]=c;if(!d){break a}c=H[d>>2];if(c){H[d+4>>2]=c;oa(c)}oa(d)}d=H[a+64>>2];c=H[a+28>>2]-1|0;if(c>>>0<=10){c=H[(c<<2)+13584>>2]}else{c=-1}c=N(c,I[a+24|0]);f=c>>31;g=se(d,0,Rj(c,f,b,0),da);if(g){d=H[a+64>>2];H[a>>2]=d;e=H[d+20>>2];H[a+8>>2]=H[d+16>>2];H[a+12>>2]=e;e=H[d+24>>2];d=H[d+28>>2];H[a+48>>2]=0;H[a+52>>2]=0;H[a+40>>2]=c;H[a+44>>2]=f;H[a+16>>2]=e;H[a+20>>2]=d;H[a+80>>2]=b}return g}function jc(a,b){var c=0;c=H[b+4>>2];H[a>>2]=H[b>>2];H[a+4>>2]=c;c=H[b+60>>2];H[a+56>>2]=H[b+56>>2];H[a+60>>2]=c;c=H[b+52>>2];H[a+48>>2]=H[b+48>>2];H[a+52>>2]=c;c=H[b+44>>2];H[a+40>>2]=H[b+40>>2];H[a+44>>2]=c;c=H[b+36>>2];H[a+32>>2]=H[b+32>>2];H[a+36>>2]=c;c=H[b+28>>2];H[a+24>>2]=H[b+24>>2];H[a+28>>2]=c;c=H[b+20>>2];H[a+16>>2]=H[b+16>>2];H[a+20>>2]=c;c=H[b+12>>2];H[a+8>>2]=H[b+8>>2];H[a+12>>2]=c;H[a+88>>2]=0;H[a+64>>2]=0;H[a+68>>2]=0;H[a+72>>2]=0;H[a+76>>2]=0;F[a+77|0]=0;F[a+78|0]=0;F[a+79|0]=0;F[a+80|0]=0;F[a+81|0]=0;F[a+82|0]=0;F[a+83|0]=0;F[a+84|0]=0;return a}function zg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0;a=H[b+100>>2];b=H[b+96>>2];h=a-b|0;a:{if((h|0)!=(c|0)|(a|0)==(b|0)){break a}g=(c|0)/12|0;e=g>>>0<=1?1:g;j=e&1;a=0;if(g>>>0>=2){k=e&-2;g=0;while(1){e=N(a,12);i=e+d|0;f=b+e|0;H[i>>2]=H[f>>2];H[(e|4)+d>>2]=H[f+4>>2];H[i+8>>2]=H[f+8>>2];f=N(a|1,12);e=f+d|0;f=b+f|0;H[e>>2]=H[f>>2];H[e+4>>2]=H[f+4>>2];H[e+8>>2]=H[f+8>>2];a=a+2|0;g=g+2|0;if((k|0)!=(g|0)){continue}break}}if(!j){break a}e=d;d=N(a,12);a=e+d|0;b=b+d|0;H[a>>2]=H[b>>2];H[a+4>>2]=H[b+4>>2];H[a+8>>2]=H[b+8>>2]}return(c|0)==(h|0)|0}function Mi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;c=H[b+8>>2];d=H[b+12>>2];g=d;d=H[b+20>>2];i=d;h=H[b+16>>2];f=h+4|0;d=f>>>0<4?d+1|0:d;a:{if(c>>>0>>0&(d|0)>=(g|0)|(d|0)>(g|0)){break a}e=h+H[b>>2]|0;e=I[e|0]|I[e+1|0]<<8|(I[e+2|0]<<16|I[e+3|0]<<24);H[b+16>>2]=f;H[b+20>>2]=d;f=c;c=i;d=h+8|0;c=d>>>0<8?c+1|0:c;if(d>>>0>f>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break a}H[b+16>>2]=d;H[b+20>>2]=c;if(!(e&1)){break a}b=Q(e)^31;if(b-1>>>0>28){break a}j=1;H[a+8>>2]=b+1;b=-2<>2]=c;H[a+12>>2]=b^-1;H[a+24>>2]=c>>1;L[a+20>>2]=O(2)/O(c|0)}return j|0}function nb(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;f=a+4|0;a=H[a+4>>2];a:{b:{if(!a){break b}d=I[b+11|0];c=d<<24>>24<0;g=c?H[b>>2]:b;d=c?H[b+4>>2]:d;b=f;while(1){e=I[a+27|0];c=e<<24>>24<0;e=c?H[a+20>>2]:e;h=e>>>0>d>>>0;i=h?d:e;c:{if(i){c=Fa(c?H[a+16>>2]:a+16|0,g,i);if(c){break c}}c=d>>>0>e>>>0?-1:h}c=(c|0)<0;b=c?b:a;a=H[(c?a+4|0:a)>>2];if(a){continue}break}if((b|0)==(f|0)){break b}c=I[b+27|0];a=c<<24>>24<0;d:{c=a?H[b+20>>2]:c;e=c>>>0>>0?c:d;if(e){a=Fa(g,a?H[b+16>>2]:b+16|0,e);if(a){break d}}if(c>>>0>d>>>0){break b}break a}if((a|0)>=0){break a}}b=f}return b}function Jf(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;if(Ya(a,H[b+8>>2],e)){if(!(H[b+28>>2]==1|H[b+4>>2]!=(c|0))){H[b+28>>2]=d}return}a:{if(Ya(a,H[b>>2],e)){if(!(H[b+16>>2]!=(c|0)&H[b+20>>2]!=(c|0))){if((d|0)!=1){break a}H[b+32>>2]=1;return}H[b+32>>2]=d;b:{if(H[b+44>>2]==4){break b}G[b+52>>1]=0;a=H[a+8>>2];ea[H[H[a>>2]+20>>2]](a,b,c,c,1,e);if(I[b+53|0]){H[b+44>>2]=3;if(!I[b+52|0]){break b}break a}H[b+44>>2]=4}H[b+20>>2]=c;H[b+40>>2]=H[b+40>>2]+1;if(H[b+36>>2]!=1|H[b+24>>2]!=2){break a}F[b+54|0]=1;return}a=H[a+8>>2];ea[H[H[a>>2]+24>>2]](a,b,c,d,e)}}function Db(a,b,c){var d=0,e=0,f=0,g=0;a:{b:{if(!b){break b}if(J[a+38>>1]<=513){f=H[a+12>>2];d=H[a+20>>2];b=H[a+16>>2];g=b+8|0;d=g>>>0<8?d+1|0:d;e=0;if(K[a+8>>2]>>0&(d|0)>=(f|0)|(d|0)>(f|0)){break a}b=b+H[a>>2]|0;d=I[b+4|0]|I[b+5|0]<<8|(I[b+6|0]<<16|I[b+7|0]<<24);H[c>>2]=I[b|0]|I[b+1|0]<<8|(I[b+2|0]<<16|I[b+3|0]<<24);H[c+4>>2]=d;b=H[a+20>>2];c=H[a+16>>2]+8|0;b=c>>>0<8?b+1|0:b;H[a+16>>2]=c;H[a+20>>2]=b;break b}e=0;if(!re(1,c,a)){break a}}F[a+36|0]=1;H[a+32>>2]=0;b=H[a+16>>2];c=b+H[a>>2]|0;H[a+24>>2]=c;H[a+28>>2]=(H[a+8>>2]-b|0)+c;e=1}return e}function ve(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0;f=pa(64);c=pa(12);H[c+8>>2]=H[H[a+4>>2]+80>>2];H[c>>2]=13216;H[c+4>>2]=0;f=od(f,c);a:{b:{if((b|0)<0){c=f;break b}h=a+8|0;c=H[a+12>>2];e=H[a+8>>2];g=c-e>>2;c:{if((g|0)>(b|0)){break c}d=b+1|0;if(b>>>0>=g>>>0){Vb(h,d-g|0);break c}if(d>>>0>=g>>>0){break c}e=e+(d<<2)|0;if((e|0)!=(c|0)){while(1){c=c-4|0;d=H[c>>2];H[c>>2]=0;if(d){ea[H[H[d>>2]+4>>2]](d)}if((c|0)!=(e|0)){continue}break}}H[a+12>>2]=e}a=H[h>>2]+(b<<2)|0;c=H[a>>2];H[a>>2]=f;if(!c){break a}}ea[H[H[c>>2]+4>>2]](c)}return(b^-1)>>>31|0}function Qd(a,b){var c=0,d=0,e=0,f=0;d=ca-16|0;ca=d;H[d+12>>2]=b;c=ca-208|0;ca=c;H[c+204>>2]=b;b=c+160|0;ra(b,0,40);H[c+200>>2]=H[c+204>>2];a:{if((Od(0,a,c+200|0,c+80|0,b)|0)<0){break a}f=H[3941]>=0;b=H[3922];if(H[3940]<=0){H[3922]=b&-33}b:{c:{d:{if(!H[3934]){H[3934]=80;H[3929]=0;H[3926]=0;H[3927]=0;e=H[3933];H[3933]=c;break d}if(H[3926]){break c}}if(Sd(15688)){break b}}Od(15688,a,c+200|0,c+80|0,c+160|0)}if(e){ea[H[3931]](15688,0,0)|0;H[3934]=0;H[3933]=e;H[3929]=0;H[3926]=0;H[3927]=0}H[3922]=H[3922]|b&32;if(!f){break a}}ca=c+208|0;ca=d+16|0}function pf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;c=H[a+60>>2];a:{if(!c){break a}H[c+4>>2]=a+48;if(!(ea[H[H[c>>2]+12>>2]](c)|0)){break a}b:{c=ea[H[H[a>>2]+24>>2]](a)|0;if((c|0)<=0){break b}while(1){c:{f=H[(ea[H[H[a>>2]+28>>2]](a)|0)+4>>2];g=ea[H[H[a>>2]+20>>2]](a,d)|0;e=H[a+60>>2];if(!(ea[H[H[e>>2]+8>>2]](e,H[H[f+8>>2]+(g<<2)>>2])|0)){break c}d=d+1|0;if((c|0)!=(d|0)){continue}break b}break}return 0}d=0;if(!(ea[H[H[a>>2]+36>>2]](a,b)|0)){break a}if(!(ea[H[H[a>>2]+40>>2]](a,b)|0)){break a}d=ea[H[H[a>>2]+44>>2]](a)|0}return d|0}function id(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;c=H[a+216>>2];if((c|0)!=H[a+220>>2]){while(1){a:{c=H[N(e,144)+c>>2];if((c|0)<0){break a}d=H[a+4>>2];f=H[d+8>>2];if((c|0)>=H[d+12>>2]-f>>2){break a}d=0;c=H[(c<<2)+f>>2];if((ea[H[H[c>>2]+24>>2]](c)|0)<=0){break a}while(1){if((ea[H[H[c>>2]+20>>2]](c,d)|0)!=(b|0)){d=d+1|0;if((ea[H[H[c>>2]+24>>2]](c)|0)>(d|0)){continue}break a}break}a=H[a+216>>2]+N(e,144)|0;return(I[a+100|0]?a+4|0:0)|0}e=e+1|0;c=H[a+216>>2];if(e>>>0<(H[a+220>>2]-c|0)/144>>>0){continue}break}}return 0}function xb(a){var b=0,c=0,d=0,e=0;c=H[a+132>>2];if(c){d=c;b=H[a+136>>2];if((c|0)!=(b|0)){while(1){d=b-12|0;e=H[d>>2];if(e){H[b-8>>2]=e;oa(e)}b=d;if((c|0)!=(b|0)){continue}break}d=H[a+132>>2]}H[a+136>>2]=c;oa(d)}c=H[a+120>>2];if(c){d=c;b=H[a+124>>2];if((c|0)!=(b|0)){while(1){d=b-12|0;e=H[d>>2];if(e){H[b-8>>2]=e;oa(e)}b=d;if((c|0)!=(b|0)){continue}break}d=H[a+120>>2]}H[a+124>>2]=c;oa(d)}b=H[a+108>>2];if(b){H[a+112>>2]=b;oa(b)}b=H[a+96>>2];if(b){H[a+100>>2]=b;oa(b)}Za(a+76|0);Za(a+56|0);Za(a+36|0);Za(a+16|0)}function rd(a){a=a|0;var b=0,c=0,d=0;H[a>>2]=2128;d=H[a+60>>2];if(d){b=d;c=H[a- -64>>2];if((b|0)!=(c|0)){while(1){c=c-4|0;b=H[c>>2];H[c>>2]=0;if(b){Ga(b)}if((c|0)!=(d|0)){continue}break}b=H[a+60>>2]}H[a+64>>2]=d;oa(b)}b=H[a+48>>2];if(b){H[a+52>>2]=b;oa(b)}d=H[a+36>>2];if(d){b=d;c=H[a+40>>2];if((b|0)!=(c|0)){while(1){c=c-24|0;ea[H[H[c>>2]>>2]](c)|0;if((c|0)!=(d|0)){continue}break}b=H[a+36>>2]}H[a+40>>2]=d;oa(b)}H[a>>2]=1984;b=H[a+16>>2];if(b){H[a+20>>2]=b;oa(b)}b=H[a+4>>2];if(b){H[a+8>>2]=b;oa(b)}return a|0}function ue(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;c=H[a+8>>2];d=H[a+4>>2];if(c-d>>2>>>0>=b>>>0){if(b){b=b<<2;d=ra(d,0,b)+b|0}H[a+4>>2]=d;return}a:{f=H[a>>2];g=d-f>>2;e=g+b|0;if(e>>>0<1073741824){c=c-f|0;h=c>>>1|0;e=c>>>0>=2147483644?1073741823:e>>>0>>0?h:e;if(e){if(e>>>0>=1073741824){break a}i=pa(e<<2)}c=(g<<2)+i|0;b=b<<2;b=ra(c,0,b)+b|0;if((d|0)!=(f|0)){while(1){c=c-4|0;d=d-4|0;H[c>>2]=H[d>>2];if((d|0)!=(f|0)){continue}break}}H[a+8>>2]=(e<<2)+i;H[a+4>>2]=b;H[a>>2]=c;if(f){oa(f)}return}sa();v()}wa();v()}function rb(a){var b=0,c=0,d=0,e=0,f=0;d=H[a+8>>2];a:{if(I[d+84|0]){break a}b=H[a+16>>2];if(!b|!I[b+84|0]){break a}c=H[d+72>>2];e=H[d+68>>2];F[b+84|0]=0;c=c-e>>2;f=H[b+68>>2];e=H[b+72>>2]-f>>2;b:{if(c>>>0>e>>>0){qb(b+68|0,c-e|0,2316);d=H[a+8>>2];break b}if(c>>>0>=e>>>0){break b}H[b+72>>2]=f+(c<<2)}if(I[d+84|0]){break a}c=H[d+68>>2];if((c|0)==H[d+72>>2]){break a}e=H[H[a+16>>2]+68>>2];b=0;while(1){f=b<<2;H[f+e>>2]=H[c+f>>2];b=b+1|0;c=H[d+68>>2];if(b>>>0>2]-c>>2>>>0){continue}break}}return H[a+16>>2]}function Lg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;e=ca+-64|0;ca=e;f=Ha(e+8|0);H[f+16>>2]=0;H[f+20>>2]=0;H[f>>2]=b;H[f+8>>2]=c;H[f+12>>2]=0;b=e+48|0;Pe(b,a,f,d);H[a+24>>2]=H[e+48>>2];f=a+24|0;a:{if((f|0)==(b|0)){break a}b=a+28|0;c=e+48|4;g=I[e+63|0];d=g<<24>>24;if(F[a+39|0]>=0){if((d|0)>=0){a=H[c+4>>2];H[b>>2]=H[c>>2];H[b+4>>2]=a;H[b+8>>2]=H[c+8>>2];break a}Xb(b,H[e+52>>2],H[e+56>>2]);break a}a=(d|0)<0;Yb(b,a?H[e+52>>2]:c,a?H[e+56>>2]:g)}if(F[e+63|0]<0){oa(H[e+52>>2])}ca=e- -64|0;return f|0}function Kg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;e=ca+-64|0;ca=e;f=Ha(e+8|0);H[f+16>>2]=0;H[f+20>>2]=0;H[f>>2]=b;H[f+8>>2]=c;H[f+12>>2]=0;b=e+48|0;Oe(b,a,f,d);H[a+24>>2]=H[e+48>>2];f=a+24|0;a:{if((f|0)==(b|0)){break a}b=a+28|0;c=e+48|4;g=I[e+63|0];d=g<<24>>24;if(F[a+39|0]>=0){if((d|0)>=0){a=H[c+4>>2];H[b>>2]=H[c>>2];H[b+4>>2]=a;H[b+8>>2]=H[c+8>>2];break a}Xb(b,H[e+52>>2],H[e+56>>2]);break a}a=(d|0)<0;Yb(b,a?H[e+52>>2]:c,a?H[e+56>>2]:g)}if(F[e+63|0]<0){oa(H[e+52>>2])}ca=e- -64|0;return f|0}function Ig(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0;a=ca-32|0;ca=a;a:{d=Ma(c);if(d>>>0<2147483632){b:{c:{if(d>>>0>=11){e=(d|15)+1|0;f=pa(e);H[a+24>>2]=e|-2147483648;H[a+16>>2]=f;H[a+20>>2]=d;e=d+f|0;break c}F[a+27|0]=d;f=a+16|0;e=f+d|0;if(!d){break b}}qa(f,c,d)}F[e|0]=0;F[a+4|0]=0;H[a>>2]=1701667182;F[a+11|0]=4;d=H[b+4>>2];c=-1;d:{if(!d){break d}d=be(d,a,a+16|0);c=-1;if(!d){break d}c=Yd(b,H[d+24>>2])}b=c;if(F[a+11|0]<0){oa(H[a>>2])}if(F[a+27|0]<0){oa(H[a+16>>2])}ca=a+32|0;break a}Na();v()}return b|0}function hd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;c=H[a+216>>2];if((c|0)!=H[a+220>>2]){while(1){a:{c=H[N(e,144)+c>>2];if((c|0)<0){break a}d=H[a+4>>2];f=H[d+8>>2];if((c|0)>=H[d+12>>2]-f>>2){break a}d=0;c=H[(c<<2)+f>>2];if((ea[H[H[c>>2]+24>>2]](c)|0)<=0){break a}while(1){if((ea[H[H[c>>2]+20>>2]](c,d)|0)!=(b|0)){d=d+1|0;if((ea[H[H[c>>2]+24>>2]](c)|0)>(d|0)){continue}break a}break}return(H[a+216>>2]+N(e,144)|0)+104|0}e=e+1|0;c=H[a+216>>2];if(e>>>0<(H[a+220>>2]-c|0)/144>>>0){continue}break}}return a+184|0}function ab(a){var b=0,c=0,d=0,e=0;c=H[a+640>>2];if(c){d=c;b=H[a+644>>2];if((c|0)!=(b|0)){while(1){d=b-12|0;e=H[d>>2];if(e){H[b-8>>2]=e;oa(e)}b=d;if((c|0)!=(b|0)){continue}break}d=H[a+640>>2]}H[a+644>>2]=c;oa(d)}c=H[a+628>>2];if(c){d=c;b=H[a+632>>2];if((c|0)!=(b|0)){while(1){d=b-12|0;e=H[d>>2];if(e){H[b-8>>2]=e;oa(e)}b=d;if((c|0)!=(b|0)){continue}break}d=H[a+628>>2]}H[a+632>>2]=c;oa(d)}b=H[a+616>>2];if(b){H[a+620>>2]=b;oa(b)}b=H[a+604>>2];if(b){H[a+608>>2]=b;oa(b)}Za(a+584|0);Za(a+564|0);Za(a+544|0)}function Tg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0;d=ca-16|0;ca=d;H[d+12>>2]=0;a:{e=Ma(c);if(e>>>0<2147483632){b:{c:{if(e>>>0>=11){f=(e|15)+1|0;a=pa(f);H[d+8>>2]=f|-2147483648;H[d>>2]=a;H[d+4>>2]=e;f=a+e|0;break c}F[d+11|0]=e;f=d+e|0;a=d;if(!e){break b}}qa(a,c,e)}F[f|0]=0;a=nb(b,d);d:{if((a|0)==(b+4|0)){break d}b=H[a+32>>2];a=H[a+28>>2];if((b-a|0)!=4){break d}H[d+12>>2]=I[a|0]|I[a+1|0]<<8|(I[a+2|0]<<16|I[a+3|0]<<24)}a=H[d+12>>2];if(F[d+11|0]<0){oa(H[d>>2])}ca=d+16|0;break a}Na();v()}return a|0}function vb(a){var b=0,c=0,d=0,e=0;c=H[a+128>>2];if(c){d=c;b=H[a+132>>2];if((c|0)!=(b|0)){while(1){d=b-12|0;e=H[d>>2];if(e){H[b-8>>2]=e;oa(e)}b=d;if((c|0)!=(b|0)){continue}break}d=H[a+128>>2]}H[a+132>>2]=c;oa(d)}c=H[a+116>>2];if(c){d=c;b=H[a+120>>2];if((c|0)!=(b|0)){while(1){d=b-12|0;e=H[d>>2];if(e){H[b-8>>2]=e;oa(e)}b=d;if((c|0)!=(b|0)){continue}break}d=H[a+116>>2]}H[a+120>>2]=c;oa(d)}b=H[a+104>>2];if(b){H[a+108>>2]=b;oa(b)}b=H[a+92>>2];if(b){H[a+96>>2]=b;oa(b)}Za(a+72|0);Za(a+52|0);Za(a+32|0)}function kc(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;a:{c=H[a+4>>2];e=H[a>>2];d=c-e|0;b:{if(d>>>0>>0){g=b-d|0;f=H[a+8>>2];if(g>>>0<=f-c>>>0){h=a,i=ra(c,0,g)+g|0,H[h+4>>2]=i;break b}if((b|0)<0){break a}c=f-e|0;f=c<<1;c=c>>>0>=1073741823?2147483647:b>>>0>>0?f:b;f=pa(c);ra(f+d|0,0,g);d=va(f,e,d);H[a+8>>2]=d+c;H[a+4>>2]=b+d;H[a>>2]=d;if(!e){break b}oa(e);break b}if(b>>>0>=d>>>0){break b}H[a+4>>2]=b+e}b=H[a+28>>2];c=b;d=b+1|0;b=H[a+24>>2]+1|0;e=b?c:d;H[a+24>>2]=b;H[a+28>>2]=e;return}sa();v()}function Ka(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;e=H[a+4>>2];if((e|0)!=H[a+8>>2]){H[e>>2]=H[b>>2];H[a+4>>2]=e+4;return}a:{g=H[a>>2];f=e-g|0;c=f>>2;d=c+1|0;if(d>>>0<1073741824){h=c<<2;c=f>>>1|0;c=f>>>0>=2147483644?1073741823:c>>>0>d>>>0?c:d;if(c){if(c>>>0>=1073741824){break a}f=pa(c<<2)}else{f=0}d=h+f|0;H[d>>2]=H[b>>2];b=d+4|0;if((e|0)!=(g|0)){while(1){d=d-4|0;e=e-4|0;H[d>>2]=H[e>>2];if((e|0)!=(g|0)){continue}break}}H[a+8>>2]=f+(c<<2);H[a+4>>2]=b;H[a>>2]=d;if(g){oa(g)}return}sa();v()}wa();v()}function Ia(a){H[a>>2]=-1;H[a+4>>2]=0;H[a+8>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;F[a+28|0]=1;H[a+20>>2]=0;H[a+24>>2]=0;H[a+12>>2]=0;H[a+16>>2]=0;H[a+40>>2]=0;H[a+44>>2]=0;H[a+48>>2]=0;H[a+52>>2]=0;H[a+56>>2]=0;H[a+60>>2]=0;H[a+64>>2]=0;H[a+68>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+84>>2]=0;H[a+88>>2]=0;H[a+92>>2]=0;H[a+96>>2]=0;H[a+72>>2]=a+4;H[a+104>>2]=0;H[a+108>>2]=0;F[a+100|0]=1;H[a+112>>2]=0;H[a+116>>2]=0;H[a+120>>2]=0;H[a+124>>2]=0;H[a+128>>2]=0;H[a+132>>2]=0;H[a+136>>2]=0;H[a+140>>2]=0}function Ld(a,b){if(!a){return 0}a:{b:{if(a){if(b>>>0<=127){break b}c:{if(!H[H[4292]>>2]){if((b&-128)==57216){break b}break c}if(b>>>0<=2047){F[a+1|0]=b&63|128;F[a|0]=b>>>6|192;a=2;break a}if(!((b&-8192)!=57344&b>>>0>=55296)){F[a+2|0]=b&63|128;F[a|0]=b>>>12|224;F[a+1|0]=b>>>6&63|128;a=3;break a}if(b-65536>>>0<=1048575){F[a+3|0]=b&63|128;F[a|0]=b>>>18|240;F[a+2|0]=b>>>6&63|128;F[a+1|0]=b>>>12&63|128;a=4;break a}}H[3992]=25;a=-1}else{a=1}break a}F[a|0]=b;a=1}return a}function Hb(a,b){var c=0,d=0,e=0,f=0;d=H[a+12>>2];c=H[a+16>>2]-d>>2;a:{if(c>>>0>>0){ya(a+12|0,b-c|0);break a}if(b>>>0>=c>>>0){break a}H[a+16>>2]=d+(b<<2)}b:{c=H[a>>2];c:{if(H[a+8>>2]-c>>2>>>0>=b>>>0){break c}if(b>>>0>=1073741824){break b}d=H[a+4>>2];e=b<<2;b=pa(e);e=b+e|0;f=b+(d-c&-4)|0;b=f;if((c|0)!=(d|0)){while(1){b=b-4|0;d=d-4|0;H[b>>2]=H[d>>2];if((c|0)!=(d|0)){continue}break}}H[a+8>>2]=e;H[a+4>>2]=f;H[a>>2]=b;if(!c){break c}oa(c)}return}sa();v()}function _b(a){a=a|0;var b=0,c=0,d=0;H[a>>2]=13724;b=H[a+68>>2];if(b){H[a+72>>2]=b;oa(b)}b=H[a+56>>2];if(b){H[a+60>>2]=b;oa(b)}b=H[a+44>>2];if(b){H[a+48>>2]=b;oa(b)}b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}b=H[a+20>>2];if(b){H[a+24>>2]=b;oa(b)}b=H[a+8>>2];if(b){d=b;c=H[a+12>>2];if((b|0)!=(c|0)){while(1){c=c-4|0;d=H[c>>2];H[c>>2]=0;if(d){Ga(d)}if((b|0)!=(c|0)){continue}break}d=H[a+8>>2]}H[a+12>>2]=b;oa(d)}b=H[a+4>>2];H[a+4>>2]=0;if(b){Uc(b)}return a|0}function yb(a,b,c){var d=0,e=0,f=0,g=0,h=0;f=ca-16|0;ca=f;d=ca-32|0;ca=d;e=ca-16|0;ca=e;H[e+12>>2]=b;H[e+8>>2]=b+c;H[d+24>>2]=H[e+12>>2];H[d+28>>2]=H[e+8>>2];ca=e+16|0;c=ca-16|0;ca=c;h=H[d+28>>2];e=H[d+24>>2];g=h-e|0;if((e|0)!=(h|0)){va(a,e,g)}H[c+12>>2]=e+g;H[c+8>>2]=a+g;H[d+16>>2]=H[c+12>>2];H[d+20>>2]=H[c+8>>2];ca=c+16|0;H[d+12>>2]=(H[d+16>>2]-b|0)+b;H[d+8>>2]=(H[d+20>>2]-a|0)+a;H[f+8>>2]=H[d+12>>2];H[f+12>>2]=H[d+8>>2];ca=d+32|0;ca=f+16|0}function ya(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;e=H[a+8>>2];c=H[a+4>>2];if(e-c>>2>>>0>=b>>>0){if(b){b=b<<2;c=ra(c,0,b)+b|0}H[a+4>>2]=c;return}a:{f=c;c=H[a>>2];g=f-c|0;h=g>>2;d=h+b|0;if(d>>>0<1073741824){e=e-c|0;f=e>>>1|0;d=e>>>0>=2147483644?1073741823:d>>>0>>0?f:d;if(d){if(d>>>0>=1073741824){break a}i=pa(d<<2)}b=b<<2;e=ra((h<<2)+i|0,0,b);f=d<<2;d=va(i,c,g);H[a+8>>2]=f+d;H[a+4>>2]=b+e;H[a>>2]=d;if(c){oa(c)}return}sa();v()}wa();v()}function Tc(a,b){var c=0,d=0,e=0,f=0;c=a+4|0;a=nb(a,b);a:{if((c|0)==(a|0)){break a}b=a+28|0;b=F[a+39|0]<0?H[b>>2]:b;while(1){a=b;b=a+1|0;c=F[a|0];if((c|0)==32|c-9>>>0<5){continue}break}b:{c:{d:{c=F[a|0];switch(c-43|0){case 0:break c;case 2:break d;default:break b}}e=1}c=F[b|0];a=b}if(c-48>>>0<10){while(1){d=(N(d,10)-F[a|0]|0)+48|0;b=F[a+1|0];a=a+1|0;if(b-48>>>0<10){continue}break}}a=e?d:0-d|0;if((a|0)==-1){break a}f=(a|0)!=0}return f}function bb(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;a=H[a>>2];c=H[a+4>>2];e=H[a+8>>2];if(c>>>0>>0){H[c>>2]=H[b>>2];H[a+4>>2]=c+4;return}a:{d=c;c=H[a>>2];g=d-c|0;d=g>>2;f=d+1|0;if(f>>>0<1073741824){h=d<<2;e=e-c|0;d=e>>>1|0;f=e>>>0>=2147483644?1073741823:f>>>0>>0?d:f;if(f){if(f>>>0>=1073741824){break a}e=pa(f<<2)}else{e=0}d=h+e|0;H[d>>2]=H[b>>2];b=va(e,c,g);H[a+8>>2]=b+(f<<2);H[a+4>>2]=d+4;H[a>>2]=b;if(c){oa(c)}return}sa();v()}wa();v()}function ob(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;e=H[a+8>>2];c=H[a+4>>2];if(e-c>>3>>>0>=b>>>0){if(b){b=b<<3;c=ra(c,0,b)+b|0}H[a+4>>2]=c;return}a:{f=c;c=H[a>>2];g=f-c|0;h=g>>3;d=h+b|0;if(d>>>0<536870912){e=e-c|0;f=e>>>2|0;d=e>>>0>=2147483640?536870911:d>>>0>>0?f:d;if(d){if(d>>>0>=536870912){break a}i=pa(d<<3)}b=b<<3;e=ra((h<<3)+i|0,0,b);f=d<<3;d=va(i,c,g);H[a+8>>2]=f+d;H[a+4>>2]=b+e;H[a>>2]=d;if(c){oa(c)}return}sa();v()}wa();v()}function kf(a){a=a|0;var b=0,c=0,d=0;H[a>>2]=2328;b=H[a+60>>2];H[a+60>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}b=H[a+48>>2];if(b){H[a+52>>2]=b;oa(b)}d=H[a+36>>2];if(d){c=H[a+40>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=H[c>>2];H[c>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=H[a+36>>2]}H[a+40>>2]=d;oa(b)}H[a>>2]=1984;b=H[a+16>>2];if(b){H[a+20>>2]=b;oa(b)}b=H[a+4>>2];if(b){H[a+8>>2]=b;oa(b)}return a|0}function jf(a){a=a|0;var b=0,c=0,d=0;H[a>>2]=2328;b=H[a+60>>2];H[a+60>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}b=H[a+48>>2];if(b){H[a+52>>2]=b;oa(b)}d=H[a+36>>2];if(d){c=H[a+40>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=H[c>>2];H[c>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=H[a+36>>2]}H[a+40>>2]=d;oa(b)}H[a>>2]=1984;b=H[a+16>>2];if(b){H[a+20>>2]=b;oa(b)}b=H[a+4>>2];if(b){H[a+8>>2]=b;oa(b)}oa(a)}function xi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;d=ca-16|0;ca=d;e=H[a+4>>2];a:{if((e|0)==-1){break a}c=H[b+20>>2];if(!!H[b+16>>2]&(c|0)>=0|(c|0)>0){break a}Wb(b,H[b+4>>2],H[a+8>>2],H[a+12>>2]);c=H[b+20>>2];if(!!H[b+16>>2]&(c|0)>=0|(c|0)>0){break a}Wb(b,H[b+4>>2],a+20|0,a+24|0);c=H[b+20>>2];f=H[b+16>>2];F[d+15|0]=H[a+4>>2];if(!!f&(c|0)>=0|(c|0)>0){break a}Wb(b,H[b+4>>2],d+15|0,d+16|0)}ca=d+16|0;return(e|0)!=-1|0}function Eh(a){a=a|0;var b=0,c=0,d=0,e=0,f=0;a:{b=H[a+8>>2];b:{if((b|0)<0){break b}c=H[a+4>>2];e=H[c>>2];d=H[c+4>>2]-e>>2;c:{if(d>>>0>>0){ue(c,b-d|0);f=H[a+8>>2];break c}f=b;if(b>>>0>=d>>>0){break c}H[c+4>>2]=e+(b<<2);f=b}d=f;if((d|0)<=0){break b}a=H[a+4>>2];c=H[a>>2];e=H[a+4>>2]-c>>2;a=0;while(1){if((a|0)==(e|0)){break a}H[c+(a<<2)>>2]=a;a=a+1|0;if((d|0)!=(a|0)){continue}break}}return(b^-1)>>>31|0}Ca();v()}function qe(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;e=H[a+8>>2];c=H[a+4>>2];if(e-c>>1>>>0>=b>>>0){if(b){b=b<<1;c=ra(c,0,b)+b|0}H[a+4>>2]=c;return}a:{f=c;c=H[a>>2];g=f-c|0;f=g>>1;d=f+b|0;if((d|0)>=0){e=e-c|0;d=e>>>0>=2147483646?2147483647:d>>>0>>0?e:d;if(d){if((d|0)<0){break a}h=pa(d<<1)}b=b<<1;e=ra((f<<1)+h|0,0,b);f=d<<1;d=va(h,c,g);H[a+8>>2]=f+d;H[a+4>>2]=b+e;H[a>>2]=d;if(c){oa(c)}return}sa();v()}wa();v()}function ng(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0;d=ca-16|0;ca=d;Pe(d,a,b,c);H[a+24>>2]=H[d>>2];e=a+24|0;a:{if((e|0)==(d|0)){break a}b=a+28|0;c=d|4;f=I[d+15|0];g=f<<24>>24;if(F[a+39|0]>=0){if((g|0)>=0){a=H[c+4>>2];H[b>>2]=H[c>>2];H[b+4>>2]=a;H[b+8>>2]=H[c+8>>2];break a}Xb(b,H[d+4>>2],H[d+8>>2]);break a}a=(g|0)<0;Yb(b,a?H[d+4>>2]:c,a?H[d+8>>2]:f)}if(F[d+15|0]<0){oa(H[d+4>>2])}ca=d+16|0;return e|0}function mg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0;d=ca-16|0;ca=d;Oe(d,a,b,c);H[a+24>>2]=H[d>>2];e=a+24|0;a:{if((e|0)==(d|0)){break a}b=a+28|0;c=d|4;f=I[d+15|0];g=f<<24>>24;if(F[a+39|0]>=0){if((g|0)>=0){a=H[c+4>>2];H[b>>2]=H[c>>2];H[b+4>>2]=a;H[b+8>>2]=H[c+8>>2];break a}Xb(b,H[d+4>>2],H[d+8>>2]);break a}a=(g|0)<0;Yb(b,a?H[d+4>>2]:c,a?H[d+8>>2]:f)}if(F[d+15|0]<0){oa(H[d+4>>2])}ca=d+16|0;return e|0}function za(a,b,c){var d=0,e=0,f=0,g=0;e=ca-16|0;ca=e;a:{b:{if(c>>>0<11){d=a;F[a+11|0]=I[a+11|0]&128|c;F[a+11|0]=I[a+11|0]&127;break b}if(c>>>0>2147483631){break a}g=e+8|0;if(c>>>0>=11){f=c+16&-16;d=f-1|0;d=(d|0)==11?f:d}else{d=10}Zb(g,d+1|0);d=H[e+8>>2];H[a>>2]=d;H[a+8>>2]=H[a+8>>2]&-2147483648|H[e+12>>2]&2147483647;H[a+8>>2]=H[a+8>>2]|-2147483648;H[a+4>>2]=c}yb(d,b,c+1|0);ca=e+16|0;return}Na();v()}function Qg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0;d=ca-16|0;ca=d;a:{e=Ma(c);if(e>>>0<2147483632){b:{c:{if(e>>>0>=11){g=(e|15)+1|0;f=pa(g);H[d+8>>2]=g|-2147483648;H[d>>2]=f;H[d+4>>2]=e;g=e+f|0;break c}F[d+11|0]=e;g=d+e|0;f=d;if(!e){break b}}qa(f,c,e)}F[g|0]=0;f=a+16|0;c=$d(b,d,f);b=H[a+16>>2];a=F[a+27|0];if(F[d+11|0]<0){oa(H[d>>2])}ca=d+16|0;a=c?(a|0)<0?b:f:0;break a}Na();v()}return a|0}function Mc(a,b){var c=0,d=0,e=0;c=H[a+4>>2];d=c+b|0;H[a+4>>2]=d;if(!((d-1^c-1)>>>0<32?c:0)){H[H[a>>2]+((d>>>0>=33?d-1>>>5|0:0)<<2)>>2]=0}a:{if(!b){break a}a=H[a>>2]+(c>>>3&536870908)|0;c=c&31;if(c){d=32-c|0;e=b>>>0>d>>>0?d:b;H[a>>2]=H[a>>2]&(-1<>>d-e^-1);b=b-e|0;a=a+4|0}c=b>>>5|0;if(b>>>0>=32){ra(a,0,c<<2)}if((b&-32)==(b|0)){break a}a=(c<<2)+a|0;H[a>>2]=H[a>>2]&(-1>>>32-(b&31)^-1)}}function Fc(a,b,c){var d=0,e=0,f=0;d=H[c+16>>2];a:{if(!d){if(Sd(c)){break a}d=H[c+16>>2]}f=H[c+20>>2];if(d-f>>>0>>0){return ea[H[c+36>>2]](c,a,b)|0}b:{if(H[c+80>>2]<0){d=0;break b}e=b;while(1){d=e;if(!d){d=0;break b}e=d-1|0;if(I[e+a|0]!=10){continue}break}e=ea[H[c+36>>2]](c,a,d)|0;if(e>>>0>>0){break a}a=a+d|0;b=b-d|0;f=H[c+20>>2]}qa(f,a,b);H[c+20>>2]=H[c+20>>2]+b;e=b+d|0}return e}function ad(a){var b=0,c=0,d=0,e=0;if(I[a+76|0]){F[a+76|0]=0;e=H[a+60>>2];c=H[a+72>>2]+7|0;b=c>>>0<7?1:b;d=b<<29|c>>>3;c=d+H[a+56>>2]|0;b=(b>>>3|0)+e|0;H[a+56>>2]=c;H[a+60>>2]=c>>>0>>0?b+1|0:b}if(J[a+38>>1]<=513){F[a+132|0]=0;e=H[a+116>>2];b=0;c=H[a+128>>2]+7|0;b=c>>>0<7?1:b;d=b<<29|c>>>3;c=d+H[a+112>>2]|0;b=(b>>>3|0)+e|0;H[a+112>>2]=c;H[a+116>>2]=c>>>0>>0?b+1|0:b}}function re(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>10){break a}d=H[c+20>>2];f=H[c+12>>2];e=H[c+16>>2];if((d|0)>=(f|0)&e>>>0>=K[c+8>>2]|(d|0)>(f|0)){break a}f=F[e+H[c>>2]|0];e=e+1|0;d=e?d:d+1|0;H[c+16>>2]=e;H[c+20>>2]=d;d=f;b:{if((d|0)<0){if(!re(a+1|0,b,c)){break a}a=H[b>>2];d=d&127|a<<7;a=H[b+4>>2]<<7|a>>>25;break b}d=d&255;a=0}H[b>>2]=d;H[b+4>>2]=a;g=1}return g}function gb(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>10){break a}d=H[c+20>>2];f=H[c+12>>2];e=H[c+16>>2];if((d|0)>=(f|0)&e>>>0>=K[c+8>>2]|(d|0)>(f|0)){break a}f=F[e+H[c>>2]|0];e=e+1|0;d=e?d:d+1|0;H[c+16>>2]=e;H[c+20>>2]=d;d=f;b:{if((d|0)<0){if(!gb(a+1|0,b,c)){break a}a=H[b>>2];d=d&127|a<<7;a=H[b+4>>2]<<7|a>>>25;break b}d=d&255;a=0}H[b>>2]=d;H[b+4>>2]=a;g=1}return g}function Nh(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0;e=ca+-64|0;ca=e;d=ea[H[H[a>>2]+44>>2]](a,b)|0;a=ea[H[H[a>>2]+40>>2]](a,b)|0;f=Eb(e);g=H[b+56>>2];h=d&255;i=a;a=a-1|0;if(a>>>0<=10){a=H[(a<<2)+13584>>2]}else{a=-1}d=N(a,d);lc(f,g,h,i,0,d,d>>31);a=jc(pa(96),f);mb(a,c);F[a+84|0]=1;H[a+72>>2]=H[a+68>>2];H[a+60>>2]=H[b+60>>2];ca=e- -64|0;return a|0}function If(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;if(Ya(a,H[b+8>>2],e)){if(!(H[b+28>>2]==1|H[b+4>>2]!=(c|0))){H[b+28>>2]=d}return}a:{if(!Ya(a,H[b>>2],e)){break a}if(!(H[b+16>>2]!=(c|0)&H[b+20>>2]!=(c|0))){if((d|0)!=1){break a}H[b+32>>2]=1;return}H[b+20>>2]=c;H[b+32>>2]=d;H[b+40>>2]=H[b+40>>2]+1;if(!(H[b+36>>2]!=1|H[b+24>>2]!=2)){F[b+54|0]=1}H[b+44>>2]=4}}function Bh(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0;e=H[a+32>>2];b=e;h=H[b+8>>2];g=H[b+12>>2];c=H[b+16>>2];b=H[b+20>>2];f=c+4|0;b=f>>>0<4?b+1|0:b;d=0;a:{if(f>>>0>h>>>0&(b|0)>=(g|0)|(b|0)>(g|0)){break a}c=H[e>>2]+c|0;c=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[e+16>>2]=f;H[e+20>>2]=b;d=0;if((c|0)<0){break a}H[H[a+4>>2]+80>>2]=c;d=1}return d|0}function qi(a){a=a|0;var b=0,c=0,d=0;H[a>>2]=11276;b=H[a+48>>2];H[a+48>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}H[a>>2]=13280;b=H[a+20>>2];if(b){H[a+24>>2]=b;oa(b)}d=H[a+8>>2];if(d){c=H[a+12>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=H[c>>2];H[c>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=H[a+8>>2]}H[a+12>>2]=d;oa(b)}return a|0}function Ee(a,b){var c=0,d=0,e=0,f=0;H[a+144>>2]=b;c=H[(ea[H[H[b>>2]+32>>2]](b)|0)+32>>2];c=H[c>>2]+H[c+16>>2]|0;d=H[(ea[H[H[b>>2]+32>>2]](b)|0)+32>>2];d=H[d+8>>2]-H[d+16>>2]|0;e=a,f=J[H[(ea[H[H[b>>2]+32>>2]](b)|0)+32>>2]+38>>1],G[e+38>>1]=f;H[a>>2]=c;H[a+16>>2]=0;H[a+20>>2]=0;H[a+8>>2]=d;H[a+12>>2]=0;e=a,f=ea[H[H[b>>2]+36>>2]](b)|0,H[e+148>>2]=f}function Cd(a,b,c,d){F[a+53|0]=1;a:{if(H[a+4>>2]!=(c|0)){break a}F[a+52|0]=1;c=H[a+16>>2];b:{if(!c){H[a+36>>2]=1;H[a+24>>2]=d;H[a+16>>2]=b;if((d|0)!=1){break a}if(H[a+48>>2]==1){break b}break a}if((b|0)==(c|0)){c=H[a+24>>2];if((c|0)==2){H[a+24>>2]=d;c=d}if(H[a+48>>2]!=1){break a}if((c|0)==1){break b}break a}H[a+36>>2]=H[a+36>>2]+1}F[a+54|0]=1}}function pi(a){a=a|0;var b=0,c=0,d=0;H[a>>2]=11276;b=H[a+48>>2];H[a+48>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}H[a>>2]=13280;b=H[a+20>>2];if(b){H[a+24>>2]=b;oa(b)}d=H[a+8>>2];if(d){c=H[a+12>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=H[c>>2];H[c>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=H[a+8>>2]}H[a+12>>2]=d;oa(b)}oa(a)}function zh(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0;e=H[a+32>>2];b=e;g=H[b+8>>2];d=H[b+12>>2];c=H[b+16>>2];b=H[b+20>>2];f=d;d=c+4|0;b=d>>>0<4?b+1|0:b;if((f|0)>=(b|0)&d>>>0<=g>>>0|(b|0)<(f|0)){c=H[e>>2]+c|0;c=I[c|0]|I[c+1|0]<<8|(I[c+2|0]<<16|I[c+3|0]<<24);H[e+16>>2]=d;H[e+20>>2]=b;H[H[a+4>>2]+80>>2]=c}return(b|0)<=(f|0)&d>>>0<=g>>>0|(b|0)<(f|0)}function Mf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;e=ca+-64|0;ca=e;d=1;a:{if(Ya(a,b,0)){break a}d=0;if(!b){break a}b=Ed(b,14972);d=0;if(!b){break a}d=e+8|0;ra(d|4,0,52);H[e+56>>2]=1;H[e+20>>2]=-1;H[e+16>>2]=a;H[e+8>>2]=b;ea[H[H[b>>2]+28>>2]](b,d,H[c>>2],1);a=H[e+32>>2];if((a|0)==1){H[c>>2]=H[e+24>>2]}d=(a|0)==1}ca=e- -64|0;return d|0}function Ie(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=ca-16|0;ca=d;H[a+4>>2]=b;b=H[b+64>>2];e=H[b>>2];b=H[b+4>>2];F[d+15|0]=0;Oa(a+24|0,(b-e>>2>>>0)/3|0,d+15|0);b=H[a+4>>2];e=H[b+56>>2];b=H[b+52>>2];F[d+14|0]=0;Oa(a+36|0,e-b>>2,d+14|0);b=H[c+12>>2];H[a+16>>2]=H[c+8>>2];H[a+20>>2]=b;b=H[c+4>>2];H[a+8>>2]=H[c>>2];H[a+12>>2]=b;ca=d+16|0}function pc(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;if(!b){H[c>>2]=0;return}h=0-I[a+12|0]&255;e=H[a+4>>2];d=H[a+8>>2];i=H[a>>2];while(1){j=f<<1;if(!((e|0)<=0|d>>>0>4095)){e=e-1|0;H[a+4>>2]=e;d=I[e+i|0]|d<<8}g=d&255;f=g>>>0>>0;k=g;g=N(d>>>8|0,h);d=f?k+g|0:d-(h+g|0)|0;H[a+8>>2]=d;f=f|j;b=b-1|0;if(b){continue}break}H[c>>2]=f}function yg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;a=ca-16|0;ca=a;f=F[b+24|0];e=H[3411];H[a+8>>2]=H[3410];H[a+12>>2]=e;e=H[3409];H[a>>2]=H[3408];H[a+4>>2]=e;e=Va(b,c,f,a);if(e){b=0;if(f){c=(f&255)<<2;b=pa(c);g=qa(b,a,c)+c|0}c=H[d>>2];if(c){H[d+4>>2]=c;oa(c)}H[d+8>>2]=g;H[d+4>>2]=g;H[d>>2]=b}ca=a+16|0;return e|0}function of(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;f=ea[H[H[a>>2]+24>>2]](a)|0;c=1;a:{if((f|0)<=0){break a}d=H[H[a+36>>2]>>2];g=a+48|0;c=0;if(!(ea[H[H[d>>2]+16>>2]](d,g,b)|0)){break a}while(1){e=e+1|0;if((f|0)!=(e|0)){d=H[H[a+36>>2]+(e<<2)>>2];if(ea[H[H[d>>2]+16>>2]](d,g,b)|0){continue}}break}c=(e|0)>=(f|0)}return c|0}function nf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;f=ea[H[H[a>>2]+24>>2]](a)|0;c=1;a:{if((f|0)<=0){break a}d=H[H[a+36>>2]>>2];g=a+48|0;c=0;if(!(ea[H[H[d>>2]+20>>2]](d,g,b)|0)){break a}while(1){e=e+1|0;if((f|0)!=(e|0)){d=H[H[a+36>>2]+(e<<2)>>2];if(ea[H[H[d>>2]+20>>2]](d,g,b)|0){continue}}break}c=(e|0)>=(f|0)}return c|0}function _c(a,b){var c=0,d=0;a:{c=H[a+4>>2];d=H[a+8>>2];if((c|0)==d<<5){if((c+1|0)<0){break a}if(c>>>0<=1073741822){d=d<<6;c=(c&-32)+32|0;c=c>>>0>>0?d:c}else{c=2147483647}pb(a,c);c=H[a+4>>2]}H[a+4>>2]=c+1;d=1<>2]+(c>>>3&536870908)|0;if(I[b|0]){H[a>>2]=d|H[a>>2];return}H[a>>2]=H[a>>2]&(d^-1);return}sa();v()}function $h(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=ca-16|0;ca=d;H[a+4>>2]=b;e=H[b>>2];b=H[b+4>>2];F[d+15|0]=0;Oa(a+24|0,(b-e>>2>>>0)/3|0,d+15|0);b=H[a+4>>2];e=H[b+28>>2];b=H[b+24>>2];F[d+14|0]=0;Oa(a+36|0,e-b>>2,d+14|0);b=H[c+12>>2];H[a+16>>2]=H[c+8>>2];H[a+20>>2]=b;b=H[c+4>>2];H[a+8>>2]=H[c>>2];H[a+12>>2]=b;ca=d+16|0}function $b(a){var b=0;H[a>>2]=0;H[a+4>>2]=0;H[a+56>>2]=0;H[a+48>>2]=0;H[a+52>>2]=0;H[a+40>>2]=0;H[a+44>>2]=0;H[a+32>>2]=0;H[a+36>>2]=0;H[a+24>>2]=0;H[a+28>>2]=0;H[a+16>>2]=0;H[a+20>>2]=0;H[a+8>>2]=0;H[a+12>>2]=0;b=a- -64|0;H[b>>2]=0;H[b+4>>2]=0;H[a+72>>2]=0;H[a+76>>2]=0;H[a+80>>2]=0;H[a+84>>2]=0;H[a+60>>2]=a;return a}function td(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=H[c+20>>2];e=H[c+12>>2];f=H[c+16>>2];if((d|0)>=(e|0)&f>>>0>=K[c+8>>2]|(d|0)>(e|0)){break a}e=I[H[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!td(a+1|0,b,c)){break a}e=d&127|H[b>>2]<<7}H[b>>2]=e;g=1}return g} +function hb(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=H[c+20>>2];e=H[c+12>>2];f=H[c+16>>2];if((d|0)>=(e|0)&f>>>0>=K[c+8>>2]|(d|0)>(e|0)){break a}e=I[H[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!hb(a+1|0,b,c)){break a}e=d&127|H[b>>2]<<7}H[b>>2]=e;g=1}return g}function Xa(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=H[c+20>>2];e=H[c+12>>2];f=H[c+16>>2];if((d|0)>=(e|0)&f>>>0>=K[c+8>>2]|(d|0)>(e|0)){break a}e=I[H[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Xa(a+1|0,b,c)){break a}e=d&127|H[b>>2]<<7}H[b>>2]=e;g=1}return g}function Qe(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=H[c+20>>2];e=H[c+12>>2];f=H[c+16>>2];if((d|0)>=(e|0)&f>>>0>=K[c+8>>2]|(d|0)>(e|0)){break a}e=I[H[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Qe(a+1|0,b,c)){break a}e=d&127|H[b>>2]<<7}H[b>>2]=e;g=1}return g}function Pc(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=H[c+20>>2];e=H[c+12>>2];f=H[c+16>>2];if((d|0)>=(e|0)&f>>>0>=K[c+8>>2]|(d|0)>(e|0)){break a}e=I[H[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Pc(a+1|0,b,c)){break a}e=d&127|H[b>>2]<<7}H[b>>2]=e;g=1}return g}function Fb(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=H[c+20>>2];e=H[c+12>>2];f=H[c+16>>2];if((d|0)>=(e|0)&f>>>0>=K[c+8>>2]|(d|0)>(e|0)){break a}e=I[H[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Fb(a+1|0,b,c)){break a}e=d&127|H[b>>2]<<7}H[b>>2]=e;g=1}return g}function Ea(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=H[c+20>>2];e=H[c+12>>2];f=H[c+16>>2];if((d|0)>=(e|0)&f>>>0>=K[c+8>>2]|(d|0)>(e|0)){break a}e=I[H[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Ea(a+1|0,b,c)){break a}e=d&127|H[b>>2]<<7}H[b>>2]=e;g=1}return g}function Bb(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=H[c+20>>2];e=H[c+12>>2];f=H[c+16>>2];if((d|0)>=(e|0)&f>>>0>=K[c+8>>2]|(d|0)>(e|0)){break a}e=I[H[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;H[c+16>>2]=f;H[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Bb(a+1|0,b,c)){break a}e=d&127|H[b>>2]<<7}H[b>>2]=e;g=1}return g}function Fa(a,b,c){var d=0,e=0;a:{b:{if(c>>>0>=4){if((a|b)&3){break b}while(1){if(H[a>>2]!=H[b>>2]){break b}b=b+4|0;a=a+4|0;c=c-4|0;if(c>>>0>3){continue}break}}if(!c){break a}}while(1){d=I[a|0];e=I[b|0];if((d|0)==(e|0)){b=b+1|0;a=a+1|0;c=c-1|0;if(c){continue}break a}break}return d-e|0}return 0}function Yc(a){var b=0,c=0,d=0,e=0;d=H[a>>2];if(d){e=d;c=H[a+4>>2];if((d|0)!=(c|0)){while(1){e=c-144|0;b=H[e+132>>2];if(b){H[c-8>>2]=b;oa(b)}b=H[c-28>>2];if(b){H[c-24>>2]=b;oa(b)}b=H[c-40>>2];if(b){H[c-36>>2]=b;oa(b)}oc(c-140|0);c=e;if((d|0)!=(c|0)){continue}break}e=H[a>>2]}H[a+4>>2]=d;oa(e)}}function Dg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=H[b+4>>2];a:{if(!d){break a}b=H[H[H[b+8>>2]+(c<<2)>>2]+60>>2];if((b|0)<0){break a}a=H[d+24>>2];c=H[d+28>>2];if((a|0)==(c|0)){break a}b:{while(1){e=H[a>>2];if((b|0)==H[e+24>>2]){break b}a=a+4|0;if((c|0)!=(a|0)){continue}break}e=0}}return e|0}function Zh(a){a=a|0;var b=0;H[a+8>>2]=12384;H[a>>2]=12172;b=H[a+96>>2];if(b){H[a+100>>2]=b;oa(b)}b=H[a+80>>2];if(b){H[a+84>>2]=b;oa(b)}b=H[a+68>>2];if(b){H[a+72>>2]=b;oa(b)}b=H[a+56>>2];if(b){H[a+60>>2]=b;oa(b)}H[a+8>>2]=12620;b=H[a+44>>2];if(b){oa(b)}b=H[a+32>>2];if(b){oa(b)}return a|0}function Uc(a){var b=0,c=0,d=0;if(a){d=H[a+24>>2];if(d){b=d;c=H[a+28>>2];if((b|0)!=(c|0)){while(1){c=c-4|0;b=H[c>>2];H[c>>2]=0;if(b){Ra(b+12|0,H[b+16>>2]);Qa(b,H[b+4>>2]);oa(b)}if((c|0)!=(d|0)){continue}break}b=H[a+24>>2]}H[a+28>>2]=d;oa(b)}Ra(a+12|0,H[a+16>>2]);Qa(a,H[a+4>>2]);oa(a)}}function Yh(a){a=a|0;var b=0;H[a+8>>2]=12384;H[a>>2]=12172;b=H[a+96>>2];if(b){H[a+100>>2]=b;oa(b)}b=H[a+80>>2];if(b){H[a+84>>2]=b;oa(b)}b=H[a+68>>2];if(b){H[a+72>>2]=b;oa(b)}b=H[a+56>>2];if(b){H[a+60>>2]=b;oa(b)}H[a+8>>2]=12620;b=H[a+44>>2];if(b){oa(b)}b=H[a+32>>2];if(b){oa(b)}oa(a)}function vi(a){a=a|0;var b=0,c=0,d=0;H[a>>2]=13280;b=H[a+20>>2];if(b){H[a+24>>2]=b;oa(b)}d=H[a+8>>2];if(d){c=H[a+12>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=H[c>>2];H[c>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=H[a+8>>2]}H[a+12>>2]=d;oa(b)}return a|0}function xc(a,b,c){a=a|0;b=b|0;c=c|0;var 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b=0,c=0;if(a){b=H[a+88>>2];H[a+88>>2]=0;if(b){c=H[b+8>>2];if(c){H[b+12>>2]=c;oa(c)}oa(b)}b=H[a+68>>2];if(b){H[a+72>>2]=b;oa(b)}b=H[a+64>>2];H[a+64>>2]=0;if(b){c=H[b>>2];if(c){H[b+4>>2]=c;oa(c)}oa(b)}oa(a)}}function Nd(a){var b=0,c=0,d=0;if(F[H[a>>2]]-48>>>0>=10){return 0}while(1){d=H[a>>2];c=-1;if(b>>>0<=214748364){c=F[d|0]-48|0;b=N(b,10);c=(c|0)>(b^2147483647)?-1:c+b|0}H[a>>2]=d+1;b=c;if(F[d+1|0]-48>>>0<10){continue}break}return b}function Cg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;b=H[b+96>>2];a=pa(12);b=b+N(c,12)|0;c=H[b+4>>2];H[a>>2]=H[b>>2];H[a+4>>2]=c;H[a+8>>2]=H[b+8>>2];b=H[d>>2];if(b){H[d+4>>2]=b;oa(b)}H[d>>2]=a;a=a+12|0;H[d+8>>2]=a;H[d+4>>2]=a;return 1}function Ai(a){a=a|0;var b=0;H[a+24>>2]=1832;H[a>>2]=11048;b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}H[a>>2]=2448;b=H[a+20>>2];H[a+20>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}H[a>>2]=2232;b=H[a+16>>2];H[a+16>>2]=0;if(b){Ga(b)}return a|0}function Sj(a,b,c,d){var e=0,f=0,g=0,h=0;f=b^d;g=f>>31;e=b>>31;a=a^e;h=a-e|0;e=(b^e)-((a>>>0>>0)+e|0)|0;a=d>>31;b=c^a;f=f>>31;a=Tj(h,e,b-a|0,(a^d)-((a>>>0>b>>>0)+a|0)|0)^f;b=a-f|0;da=(g^da)-((a>>>0>>0)+g|0)|0;return b}function yi(a){a=a|0;var b=0;H[a+24>>2]=1832;H[a>>2]=11048;b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}H[a>>2]=2448;b=H[a+20>>2];H[a+20>>2]=0;if(b){ea[H[H[b>>2]+4>>2]](b)}H[a>>2]=2232;b=H[a+16>>2];H[a+16>>2]=0;if(b){Ga(b)}oa(a)}function Yb(a,b,c){var d=0,e=0,f=0;e=ca-16|0;ca=e;d=H[a+8>>2]&2147483647;a:{if(d>>>0>c>>>0){d=H[a>>2];H[a+4>>2]=c;yb(d,b,c);F[e+15|0]=0;F[c+d|0]=I[e+15|0];break a}f=a;a=H[a+4>>2];Gd(f,d-1|0,(c-d|0)+1|0,a,a,c,b)}ca=e+16|0}function Bf(a,b){a=a|0;b=b|0;var c=0,d=0;c=ca-16|0;ca=c;a=H[a+4>>2];a:{if((a|0)==-1){break a}F[c+15|0]=a;d=H[b+20>>2];if(!!H[b+16>>2]&(d|0)>=0|(d|0)>0){break a}Wb(b,H[b+4>>2],c+15|0,c+16|0)}ca=c+16|0;return(a|0)!=-1|0}function Xb(a,b,c){var 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c=0,d=0;H[b>>2]=2;c=H[b+8>>2];d=H[b+12>>2]-c|0;if(d>>>0<=4294967291){kc(b+8|0,d+4|0);c=H[b+8>>2]}b=c+d|0;a=H[a+4>>2];F[b|0]=a;F[b+1|0]=a>>>8;F[b+2|0]=a>>>16;F[b+3|0]=a>>>24}function rj(a){a=a|0;var b=0;H[a>>2]=5580;b=H[a+96>>2];if(b){oa(b)}b=H[a+84>>2];if(b){oa(b)}b=H[a+72>>2];if(b){oa(b)}b=H[a+60>>2];if(b){oa(b)}H[a>>2]=3272;b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}return a|0}function ib(a,b,c,d,e){var f=0;f=ca-256|0;ca=f;if(!(e&73728|(c|0)<=(d|0))){d=c-d|0;c=d>>>0<256;ra(f,b&255,c?d:256);if(!c){while(1){Ab(a,f,256);d=d-256|0;if(d>>>0>255){continue}break}}Ab(a,f,d)}ca=f+256|0}function Ij(a){a=a|0;var b=0;H[a>>2]=3564;b=H[a+96>>2];if(b){oa(b)}b=H[a+84>>2];if(b){oa(b)}b=H[a+72>>2];if(b){oa(b)}b=H[a+60>>2];if(b){oa(b)}H[a>>2]=3272;b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}return a|0}function Ch(a){a=a|0;var b=0,c=0,d=0;b=H[a+8>>2];d=H[a+12>>2];if((b|0)==(d|0)){return 1}while(1){c=H[b>>2];c=ea[H[H[c>>2]+16>>2]](c,H[a+32>>2])|0;if(c){b=b+4|0;if((d|0)!=(b|0)){continue}}break}return c|0}function 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b=0;b=H[a+72>>2];H[a+72>>2]=b-1|b;b=H[a>>2];if(b&8){H[a>>2]=b|32;return-1}H[a+4>>2]=0;H[a+8>>2]=0;b=H[a+44>>2];H[a+28>>2]=b;H[a+20>>2]=b;H[a+16>>2]=b+H[a+48>>2];return 0}function Eb(a){H[a+8>>2]=0;H[a+12>>2]=0;H[a>>2]=0;H[a+40>>2]=0;H[a+44>>2]=0;H[a+28>>2]=9;F[a+24|0]=1;H[a+56>>2]=-1;H[a+60>>2]=0;H[a+16>>2]=0;H[a+20>>2]=0;H[a+48>>2]=0;H[a+52>>2]=0;return a}function hf(a,b){a=a|0;b=b|0;var c=0,d=0;d=H[a+16>>2];c=0;a:{if(H[a+20>>2]-d>>2<=(b|0)){break a}b=H[(b<<2)+d>>2];c=0;if((b|0)<0){break a}c=rb(H[H[a+36>>2]+(b<<2)>>2])}return c|0}function Mg(){var a=0,b=0;a=pa(40);H[a+4>>2]=0;H[a+8>>2]=0;H[a+24>>2]=0;H[a+28>>2]=0;b=a+16|0;H[b>>2]=0;H[b+4>>2]=0;H[a>>2]=a+4;H[a+12>>2]=b;H[a+32>>2]=0;H[a+36>>2]=0;return a|0}function Vf(a,b){a=a|0;b=b|0;var c=0,d=0;Wd(a,b);a:{if((b|0)<0){break a}d=H[a+88>>2];c=H[a+84>>2];if(d-c>>2<=(b|0)){break a}c=(b<<2)+c|0;b=c+4|0;va(c,b,d-b|0);H[a+88>>2]=d-4}}function Rh(a){a=a|0;var b=0;H[a+8>>2]=12804;H[a>>2]=12640;b=H[a+56>>2];if(b){H[a+60>>2]=b;oa(b)}H[a+8>>2]=12620;b=H[a+44>>2];if(b){oa(b)}b=H[a+32>>2];if(b){oa(b)}return a|0}function Lh(a){a=a|0;var b=0;H[a+8>>2]=11872;H[a>>2]=12932;b=H[a+56>>2];if(b){H[a+60>>2]=b;oa(b)}H[a+8>>2]=12124;b=H[a+44>>2];if(b){oa(b)}b=H[a+32>>2];if(b){oa(b)}return a|0}function zb(a){var b=0,c=0;b=H[3958];c=a+7&-8;a=b+c|0;a:{if(a>>>0<=b>>>0?c:0){break a}if(a>>>0>fa()<<16>>>0){if(!($(a|0)|0)){break a}}H[3958]=a;return b}H[3992]=48;return-1}function bj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0;H[a+4>>2]=b;b=H[H[H[b+4>>2]+8>>2]+(c<<2)>>2];H[a+12>>2]=c;H[a+8>>2]=b;a=H[a+8>>2];if(I[a+24|0]==3){d=H[a+28>>2]==9}return d|0}function wf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=H[a+8>>2];a:{if(!I[d+24|0]){break a}if(!mb(d,H[b+4>>2]-H[b>>2]>>2)){break a}e=ea[H[H[a>>2]+32>>2]](a,b,c)|0}return e|0}function Qh(a){a=a|0;var b=0;H[a+8>>2]=12804;H[a>>2]=12640;b=H[a+56>>2];if(b){H[a+60>>2]=b;oa(b)}H[a+8>>2]=12620;b=H[a+44>>2];if(b){oa(b)}b=H[a+32>>2];if(b){oa(b)}oa(a)}function Kh(a){a=a|0;var b=0;H[a+8>>2]=11872;H[a>>2]=12932;b=H[a+56>>2];if(b){H[a+60>>2]=b;oa(b)}H[a+8>>2]=12124;b=H[a+44>>2];if(b){oa(b)}b=H[a+32>>2];if(b){oa(b)}oa(a)}function nj(a){a=a|0;var b=0;H[a>>2]=5816;b=H[a+76>>2];if(b){oa(b)}b=H[a+68>>2];H[a+68>>2]=0;if(b){oa(b)}H[a>>2]=3272;b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}return a|0}function Ra(a,b){if(b){Ra(a,H[b>>2]);Ra(a,H[b+4>>2]);a=H[b+28>>2];H[b+28>>2]=0;if(a){Ra(a+12|0,H[a+16>>2]);Qa(a,H[a+4>>2]);oa(a)}if(F[b+27|0]<0){oa(H[b+16>>2])}oa(b)}}function Gi(a,b,c){a=a|0;b=b|0;c=c|0;var d=0;H[a+4>>2]=b;d=H[H[H[b+4>>2]+8>>2]+(c<<2)>>2];H[a+12>>2]=c;H[a+8>>2]=d;return H[H[H[H[b+4>>2]+8>>2]+(c<<2)>>2]+28>>2]==9|0}function Ej(a){a=a|0;var b=0;H[a>>2]=3812;b=H[a+76>>2];if(b){oa(b)}b=H[a+68>>2];H[a+68>>2]=0;if(b){oa(b)}H[a>>2]=3272;b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}return a|0}function Vc(a){H[a+40>>2]=0;H[a+4>>2]=0;H[a+8>>2]=0;H[a>>2]=13280;H[a+12>>2]=0;H[a+16>>2]=0;H[a+20>>2]=0;H[a+24>>2]=0;H[a+28>>2]=0;H[a+32>>2]=0;G[a+36>>1]=0;return a}function Hd(a,b){var c=0,d=0,e=0,f=0;H[a>>2]=15260;H[a>>2]=15372;c=Ma(b);d=pa(c+13|0);H[d+8>>2]=0;H[d+4>>2]=c;H[d>>2]=c;e=a,f=qa(d+12|0,b,c+1|0),H[e+4>>2]=f;return a}function jg(a,b){a=a|0;b=b|0;var c=0;a:{if(!(ea[H[H[a>>2]+36>>2]](a,b)|0)){break a}if(!(ea[H[H[a>>2]+40>>2]](a,b)|0)){break a}c=ea[H[H[a>>2]+44>>2]](a)|0}return c|0}function mj(a){a=a|0;var b=0;H[a>>2]=5816;b=H[a+76>>2];if(b){oa(b)}b=H[a+68>>2];H[a+68>>2]=0;if(b){oa(b)}H[a>>2]=3272;b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}oa(a)}function Dj(a){a=a|0;var b=0;H[a>>2]=3812;b=H[a+76>>2];if(b){oa(b)}b=H[a+68>>2];H[a+68>>2]=0;if(b){oa(b)}H[a>>2]=3272;b=H[a+32>>2];if(b){H[a+36>>2]=b;oa(b)}oa(a)}function Xe(a){a=a|0;var b=0;a:{if(!H[a- -64>>2]|!H[a+68>>2]|(!H[a+44>>2]|!H[a+48>>2])){break a}if(!H[a+52>>2]|!H[a+56>>2]){break a}b=H[a+92>>2]!=-1}return b|0}function cf(a){a=a|0;var 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a=0,b=0;b=pa(40);H[b>>2]=-1;a=b+8|0;H[a+16>>2]=0;H[a+20>>2]=0;H[a+8>>2]=0;H[a>>2]=0;H[a+4>>2]=0;H[a+24>>2]=0;H[a+28>>2]=0;return b|0}function gf(a,b){a=a|0;b=b|0;var c=0,d=0;d=H[a+4>>2];a:{if(d){c=1;if(I[d+36|0]<2){break a}}c=ea[H[H[a>>2]+48>>2]](a,H[b+4>>2]-H[b>>2]>>2)|0}return c|0}function ci(a){a=a|0;var b=0;H[a>>2]=11872;b=H[a+48>>2];if(b){H[a+52>>2]=b;oa(b)}H[a>>2]=12124;b=H[a+36>>2];if(b){oa(b)}b=H[a+24>>2];if(b){oa(b)}oa(a)}function Mh(a){a=a|0;var b=0;H[a>>2]=12804;b=H[a+48>>2];if(b){H[a+52>>2]=b;oa(b)}H[a>>2]=12620;b=H[a+36>>2];if(b){oa(b)}b=H[a+24>>2];if(b){oa(b)}oa(a)}function Ha(a){H[a+8>>2]=0;H[a+12>>2]=0;H[a>>2]=0;H[a+16>>2]=0;H[a+20>>2]=0;H[a+32>>2]=0;H[a+24>>2]=0;H[a+28>>2]=0;G[a+38>>1]=0;F[a+36|0]=0;return a}function Hf(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;if(Ya(a,H[b+8>>2],f)){Cd(b,c,d,e);return}a=H[a+8>>2];ea[H[H[a>>2]+20>>2]](a,b,c,d,e,f)}function Ei(a,b,c){a=a|0;b=b|0;c=c|0;a:{if(I[H[a+4>>2]+36|0]>=2){b=0;if(!(ea[H[H[a>>2]+52>>2]](a)|0)){break 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2}function $f(){return-4}function Nf(){X();v()}function Td(a){a=a|0} +// EMSCRIPTEN_END_FUNCS +e=I;p(q);var ea=c([null,Ad,Ta,La,Tb,Pj,zi,Gh,Fd,Bf,xc,Nh,_e,Bj,Ta,mi,ji,Da,gj,Ti,Ki,Re,xi,Je,_e,hi,wg,fb,dh,ke,jg,_f,Uf,eb,Ja,Nf,Pd,Da,rd,yf,Of,Af,zf,sf,rf,pd,xf,wf,vf,Pd,uf,tf,kf,jf,qf,pf,hf,of,nf,mf,lf,cf,bf,pd,gf,ff,nd,ef,Nj,Oj,Kj,Ub,Da,db,Pb,_a,md,Ja,_a,Da,Mj,Lj,fb,fb,Ub,Tb,Pb,Jj,Ij,Hj,$e,Pb,Gj,Fj,Ej,Dj,ld,wc,Da,Ja,vc,Cj,Aj,zj,yj,Ze,wc,Da,Ja,vc,Ye,xj,wj,vj,Ob,Xe,Da,Ja,We,Ve,uj,Ta,La,Mb,eb,Nb,fb,Ub,Da,Pb,tj,fb,Ub,Tb,Pb,sj,rj,qj,$e,Pb,pj,oj,nj,mj,ld,wc,Da,Ja,vc,lj,kj,jj,ij,Ze,wc,Da,Ja,vc,Ye,hj,fj,ej,Ob,Xe,Da,Ja,We,Ve,dj,Ta,La,Mb,eb,Lb,fb,Ub,_a,Da,cj,cf,bf,bj,$i,aj,Zi,Tb,_i,Yi,Xi,Ob,db,tc,Da,Ja,sc,Da,Tb,Te,Wi,Ta,La,Mb,eb,Nb,Ui,Si,Ob,tc,Da,Ja,sc,Te,Ri,Ta,La,Mb,eb,Lb,Ta,La,_a,Da,_a,md,Ja,Vi,Qi,Pi,Oi,Ob,db,tc,Da,Ja,sc,Da,ld,Se,Ni,Ta,La,Mb,eb,Nb,Li,Ji,Ob,tc,Da,Ja,sc,Se,Ii,Ta,La,Mb,eb,Lb,La,_a,Da,_a,md,Ja,Mi,Hi,Ai,yi,Gi,Ei,Fi,Di,Ci,Bi,vi,fb,Da,Da,wi,Dh,Ch,Da,_a,Ja,Ja,qi,pi,ti,ui,ri,oi,ni,li,si,Be,fi,jd,id,hd,gd,ki,Da,db,Zc,Ae,ei,jd,id,hd,gd,ii,Da,db,Zc,ze,di,jd,id,hd,gd,gi,Da,db,Zc,He,ci,Ie,bi,ai,Zh,Yh,Xh,Wh,_h,Vh,$h,Uh,Th,Rh,Qh,Ph,Oh,Sh,Mh,Lh,Kh,Jh,Ih,Wc,ve,Hh,Ta,La,Fh,Eh,fb,_a,Da,Wc,Ah,Bh,Wc,ve,zh,Yf,Xf,Wf,Vf,_b,Tf,Xd,Wd,Sf,Rf,Qf,_a,Pf,Ta,La,Td,Td,Mf,Gf,If,Lf,La,Hf,Jf,Kf,La,Df,La,Cf,La,Ef,zc,db,zc,zc]);function fa(){return E.byteLength/65536|0}function ka(la){la=la|0;var ga=fa()|0;var ha=ga+la|0;if(ga=endIdx))++endPtr;if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx>10,56320|ch&1023)}}return str}function UTF8ToString(ptr,maxBytesToRead){return ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):""}function stringToUTF8Array(str,heap,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx}function lengthBytesUTF8(str){var len=0;for(var i=0;i=55296&&c<=57343){len+=4;++i}else{len+=3}}return len}var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b)}var INITIAL_MEMORY=Module["INITIAL_MEMORY"]||16777216;assert(INITIAL_MEMORY>=65536,"INITIAL_MEMORY should be larger than STACK_SIZE, was "+INITIAL_MEMORY+"! (STACK_SIZE="+65536+")");if(Module["wasmMemory"]){wasmMemory=Module["wasmMemory"]}else{wasmMemory=new WebAssembly.Memory({"initial":INITIAL_MEMORY/65536,"maximum":2147483648/65536})}updateMemoryViews();INITIAL_MEMORY=wasmMemory.buffer.byteLength;var wasmTable;var __ATPRERUN__=[];var __ATINIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function keepRuntimeAlive(){return noExitRuntime}function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;callRuntimeCallbacks(__ATINIT__)}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnInit(cb){__ATINIT__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}what="Aborted("+what+")";err(what);ABORT=true;EXITSTATUS=1;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject(e);throw e}var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return filename.startsWith(dataURIPrefix)}function isFileURI(filename){return filename.startsWith("file://")}var wasmBinaryFile;wasmBinaryFile="draco_decoder.wasm";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}function getBinary(file){try{if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}var binary=tryParseAsDataURI(file);if(binary){return binary}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}catch(err){abort(err)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)){if(typeof fetch=="function"&&!isFileURI(wasmBinaryFile)){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){if(!response["ok"]){throw"failed to load wasm binary file at '"+wasmBinaryFile+"'"}return response["arrayBuffer"]()}).catch(function(){return getBinary(wasmBinaryFile)})}else{if(readAsync){return new Promise(function(resolve,reject){readAsync(wasmBinaryFile,function(response){resolve(new Uint8Array(response))},reject)})}}}return Promise.resolve().then(function(){return getBinary(wasmBinaryFile)})}function createWasm(){var info={"a":wasmImports};function receiveInstance(instance,module){var exports=instance.exports;Module["asm"]=exports;wasmTable=Module["asm"]["j"];addOnInit(Module["asm"]["i"]);removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){receiveInstance(result["instance"])}function instantiateArrayBuffer(receiver){return getBinaryPromise().then(function(binary){return WebAssembly.instantiate(binary,info)}).then(function(instance){return instance}).then(receiver,function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(wasmBinaryFile)&&!isFileURI(wasmBinaryFile)&&!ENVIRONMENT_IS_NODE&&typeof fetch=="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiationResult,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(receiveInstantiationResult)})})}else{return instantiateArrayBuffer(receiveInstantiationResult)}}if(Module["instantiateWasm"]){try{var exports=Module["instantiateWasm"](info,receiveInstance);return exports}catch(e){err("Module.instantiateWasm callback failed with error: "+e);readyPromiseReject(e)}}instantiateAsync().catch(readyPromiseReject);return{}}function ExitStatus(status){this.name="ExitStatus";this.message="Program terminated with exit("+status+")";this.status=status}function callRuntimeCallbacks(callbacks){while(callbacks.length>0){callbacks.shift()(Module)}}function intArrayToString(array){var ret=[];for(var i=0;i255){chr&=255}ret.push(String.fromCharCode(chr))}return ret.join("")}function ExceptionInfo(excPtr){this.excPtr=excPtr;this.ptr=excPtr-24;this.set_type=function(type){HEAPU32[this.ptr+4>>2]=type};this.get_type=function(){return HEAPU32[this.ptr+4>>2]};this.set_destructor=function(destructor){HEAPU32[this.ptr+8>>2]=destructor};this.get_destructor=function(){return HEAPU32[this.ptr+8>>2]};this.set_refcount=function(refcount){HEAP32[this.ptr>>2]=refcount};this.set_caught=function(caught){caught=caught?1:0;HEAP8[this.ptr+12>>0]=caught};this.get_caught=function(){return HEAP8[this.ptr+12>>0]!=0};this.set_rethrown=function(rethrown){rethrown=rethrown?1:0;HEAP8[this.ptr+13>>0]=rethrown};this.get_rethrown=function(){return HEAP8[this.ptr+13>>0]!=0};this.init=function(type,destructor){this.set_adjusted_ptr(0);this.set_type(type);this.set_destructor(destructor);this.set_refcount(0);this.set_caught(false);this.set_rethrown(false)};this.add_ref=function(){var value=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=value+1};this.release_ref=function(){var prev=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=prev-1;return prev===1};this.set_adjusted_ptr=function(adjustedPtr){HEAPU32[this.ptr+16>>2]=adjustedPtr};this.get_adjusted_ptr=function(){return HEAPU32[this.ptr+16>>2]};this.get_exception_ptr=function(){var isPointer=___cxa_is_pointer_type(this.get_type());if(isPointer){return HEAPU32[this.excPtr>>2]}var adjusted=this.get_adjusted_ptr();if(adjusted!==0)return adjusted;return this.excPtr}}var exceptionLast=0;var uncaughtExceptionCount=0;function ___cxa_throw(ptr,type,destructor){var info=new ExceptionInfo(ptr);info.init(type,destructor);exceptionLast=ptr;uncaughtExceptionCount++;throw ptr}function _abort(){abort("")}function _emscripten_memcpy_big(dest,src,num){HEAPU8.copyWithin(dest,src,src+num)}function getHeapMax(){return 2147483648}function emscripten_realloc_buffer(size){var b=wasmMemory.buffer;try{wasmMemory.grow(size-b.byteLength+65535>>>16);updateMemoryViews();return 1}catch(e){}}function _emscripten_resize_heap(requestedSize){var oldSize=HEAPU8.length;requestedSize=requestedSize>>>0;var maxHeapSize=getHeapMax();if(requestedSize>maxHeapSize){return false}let alignUp=(x,multiple)=>x+(multiple-x%multiple)%multiple;for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignUp(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=emscripten_realloc_buffer(newSize);if(replacement){return true}}return false}var SYSCALLS={varargs:undefined,get:function(){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret},getStr:function(ptr){var ret=UTF8ToString(ptr);return ret}};function _fd_close(fd){return 52}function _fd_seek(fd,offset_low,offset_high,whence,newOffset){return 70}var printCharBuffers=[null,[],[]];function printChar(stream,curr){var buffer=printCharBuffers[stream];if(curr===0||curr===10){(stream===1?out:err)(UTF8ArrayToString(buffer,0));buffer.length=0}else{buffer.push(curr)}}function _fd_write(fd,iov,iovcnt,pnum){var num=0;for(var i=0;i>2];var len=HEAPU32[iov+4>>2];iov+=8;for(var j=0;j>2]=num;return 0}function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}var decodeBase64=typeof atob=="function"?atob:function(input){var keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";var output="";var chr1,chr2,chr3;var enc1,enc2,enc3,enc4;var i=0;input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");do{enc1=keyStr.indexOf(input.charAt(i++));enc2=keyStr.indexOf(input.charAt(i++));enc3=keyStr.indexOf(input.charAt(i++));enc4=keyStr.indexOf(input.charAt(i++));chr1=enc1<<2|enc2>>4;chr2=(enc2&15)<<4|enc3>>2;chr3=(enc3&3)<<6|enc4;output=output+String.fromCharCode(chr1);if(enc3!==64){output=output+String.fromCharCode(chr2)}if(enc4!==64){output=output+String.fromCharCode(chr3)}}while(i0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();readyPromiseResolve(Module);if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(function(){setTimeout(function(){Module["setStatus"]("")},1);doRun()},1)}else{doRun()}}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}run();function WrapperObject(){}WrapperObject.prototype=Object.create(WrapperObject.prototype);WrapperObject.prototype.constructor=WrapperObject;WrapperObject.prototype.__class__=WrapperObject;WrapperObject.__cache__={};Module["WrapperObject"]=WrapperObject;function getCache(__class__){return(__class__||WrapperObject).__cache__}Module["getCache"]=getCache;function wrapPointer(ptr,__class__){var cache=getCache(__class__);var ret=cache[ptr];if(ret)return ret;ret=Object.create((__class__||WrapperObject).prototype);ret.ptr=ptr;return cache[ptr]=ret}Module["wrapPointer"]=wrapPointer;function castObject(obj,__class__){return wrapPointer(obj.ptr,__class__)}Module["castObject"]=castObject;Module["NULL"]=wrapPointer(0);function destroy(obj){if(!obj["__destroy__"])throw"Error: Cannot destroy object. (Did you create it yourself?)";obj["__destroy__"]();delete getCache(obj.__class__)[obj.ptr]}Module["destroy"]=destroy;function compare(obj1,obj2){return obj1.ptr===obj2.ptr}Module["compare"]=compare;function getPointer(obj){return obj.ptr}Module["getPointer"]=getPointer;function getClass(obj){return obj.__class__}Module["getClass"]=getClass;var ensureCache={buffer:0,size:0,pos:0,temps:[],needed:0,prepare:function(){if(ensureCache.needed){for(var i=0;i=ensureCache.size){assert(len>0);ensureCache.needed+=len;ret=Module["_malloc"](len);ensureCache.temps.push(ret)}else{ret=ensureCache.buffer+ensureCache.pos;ensureCache.pos+=len}return ret},copy:function(array,view,offset){offset>>>=0;var bytes=view.BYTES_PER_ELEMENT;switch(bytes){case 2:offset>>>=1;break;case 4:offset>>>=2;break;case 8:offset>>>=3;break}for(var i=0;i3)return false;if(version[0]==1&&version[1]>=0&&version[1]<=3)return true;if(version[0]!=0||version[1]>10)return false;return true}Module["isVersionSupported"]=isVersionSupported;var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}Module["arguments"]=[];Module["thisProgram"]="./this.program";Module["quit"]=(function(status,toThrow){throw toThrow});Module["preRun"]=[];Module["postRun"]=[];var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=false;var ENVIRONMENT_IS_NODE=false;var ENVIRONMENT_IS_SHELL=false;if(Module["ENVIRONMENT"]){if(Module["ENVIRONMENT"]==="WEB"){ENVIRONMENT_IS_WEB=true}else if(Module["ENVIRONMENT"]==="WORKER"){ENVIRONMENT_IS_WORKER=true}else if(Module["ENVIRONMENT"]==="NODE"){ENVIRONMENT_IS_NODE=true}else if(Module["ENVIRONMENT"]==="SHELL"){ENVIRONMENT_IS_SHELL=true}else{throw new Error("Module['ENVIRONMENT'] value is not valid. must be one of: WEB|WORKER|NODE|SHELL.")}}else{ENVIRONMENT_IS_WEB=typeof window==="object";ENVIRONMENT_IS_WORKER=typeof importScripts==="function";ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function"&&!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_WORKER;ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER}if(ENVIRONMENT_IS_NODE){var nodeFS;var nodePath;Module["read"]=function shell_read(filename,binary){var ret;ret=tryParseAsDataURI(filename);if(!ret){if(!nodeFS)nodeFS=require("fs");if(!nodePath)nodePath=require("path");filename=nodePath["normalize"](filename);ret=nodeFS["readFileSync"](filename)}return binary?ret:ret.toString()};Module["readBinary"]=function readBinary(filename){var ret=Module["read"](filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}assert(ret.buffer);return ret};if(process["argv"].length>1){Module["thisProgram"]=process["argv"][1].replace(/\\/g,"/")}Module["arguments"]=process["argv"].slice(2);process["on"]("uncaughtException",(function(ex){if(!(ex instanceof ExitStatus)){throw ex}}));process["on"]("unhandledRejection",(function(reason,p){process["exit"](1)}));Module["inspect"]=(function(){return"[Emscripten Module object]"})}else if(ENVIRONMENT_IS_SHELL){if(typeof read!="undefined"){Module["read"]=function shell_read(f){var data=tryParseAsDataURI(f);if(data){return intArrayToString(data)}return read(f)}}Module["readBinary"]=function readBinary(f){var data;data=tryParseAsDataURI(f);if(data){return data}if(typeof readbuffer==="function"){return new Uint8Array(readbuffer(f))}data=read(f,"binary");assert(typeof data==="object");return data};if(typeof scriptArgs!="undefined"){Module["arguments"]=scriptArgs}else if(typeof arguments!="undefined"){Module["arguments"]=arguments}if(typeof quit==="function"){Module["quit"]=(function(status,toThrow){quit(status)})}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){Module["read"]=function shell_read(url){try{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText}catch(err){var data=tryParseAsDataURI(url);if(data){return intArrayToString(data)}throw err}};if(ENVIRONMENT_IS_WORKER){Module["readBinary"]=function readBinary(url){try{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}catch(err){var data=tryParseAsDataURI(url);if(data){return data}throw err}}}Module["readAsync"]=function readAsync(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function xhr_onload(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}var data=tryParseAsDataURI(url);if(data){onload(data.buffer);return}onerror()};xhr.onerror=onerror;xhr.send(null)};Module["setWindowTitle"]=(function(title){document.title=title})}Module["print"]=typeof console!=="undefined"?console.log.bind(console):typeof print!=="undefined"?print:null;Module["printErr"]=typeof printErr!=="undefined"?printErr:typeof console!=="undefined"&&console.warn.bind(console)||Module["print"];Module.print=Module["print"];Module.printErr=Module["printErr"];for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=undefined;var STACK_ALIGN=16;function staticAlloc(size){assert(!staticSealed);var ret=STATICTOP;STATICTOP=STATICTOP+size+15&-16;return ret}function dynamicAlloc(size){assert(DYNAMICTOP_PTR);var ret=HEAP32[DYNAMICTOP_PTR>>2];var end=ret+size+15&-16;HEAP32[DYNAMICTOP_PTR>>2]=end;if(end>=TOTAL_MEMORY){var success=enlargeMemory();if(!success){HEAP32[DYNAMICTOP_PTR>>2]=ret;return 0}}return ret}function alignMemory(size,factor){if(!factor)factor=STACK_ALIGN;var ret=size=Math.ceil(size/factor)*factor;return ret}function getNativeTypeSize(type){switch(type){case"i1":case"i8":return 1;case"i16":return 2;case"i32":return 4;case"i64":return 8;case"float":return 4;case"double":return 8;default:{if(type[type.length-1]==="*"){return 4}else if(type[0]==="i"){var bits=parseInt(type.substr(1));assert(bits%8===0);return bits/8}else{return 0}}}}function warnOnce(text){if(!warnOnce.shown)warnOnce.shown={};if(!warnOnce.shown[text]){warnOnce.shown[text]=1;Module.printErr(text)}}var jsCallStartIndex=1;var functionPointers=new Array(0);var funcWrappers={};function dynCall(sig,ptr,args){if(args&&args.length){return Module["dynCall_"+sig].apply(null,[ptr].concat(args))}else{return Module["dynCall_"+sig].call(null,ptr)}}var GLOBAL_BASE=8;var ABORT=0;var EXITSTATUS=0;function assert(condition,text){if(!condition){abort("Assertion failed: "+text)}}function getCFunc(ident){var func=Module["_"+ident];assert(func,"Cannot call unknown function "+ident+", make sure it is exported");return func}var JSfuncs={"stackSave":(function(){stackSave()}),"stackRestore":(function(){stackRestore()}),"arrayToC":(function(arr){var ret=stackAlloc(arr.length);writeArrayToMemory(arr,ret);return ret}),"stringToC":(function(str){var ret=0;if(str!==null&&str!==undefined&&str!==0){var len=(str.length<<2)+1;ret=stackAlloc(len);stringToUTF8(str,ret,len)}return ret})};var toC={"string":JSfuncs["stringToC"],"array":JSfuncs["arrayToC"]};function ccall(ident,returnType,argTypes,args,opts){var func=getCFunc(ident);var cArgs=[];var stack=0;if(args){for(var i=0;i>0]=value;break;case"i8":HEAP8[ptr>>0]=value;break;case"i16":HEAP16[ptr>>1]=value;break;case"i32":HEAP32[ptr>>2]=value;break;case"i64":tempI64=[value>>>0,(tempDouble=value,+Math_abs(tempDouble)>=+1?tempDouble>+0?(Math_min(+Math_floor(tempDouble/+4294967296),+4294967295)|0)>>>0:~~+Math_ceil((tempDouble- +(~~tempDouble>>>0))/+4294967296)>>>0:0)],HEAP32[ptr>>2]=tempI64[0],HEAP32[ptr+4>>2]=tempI64[1];break;case"float":HEAPF32[ptr>>2]=value;break;case"double":HEAPF64[ptr>>3]=value;break;default:abort("invalid type for setValue: "+type)}}var ALLOC_STATIC=2;var ALLOC_NONE=4;function allocate(slab,types,allocator,ptr){var zeroinit,size;if(typeof slab==="number"){zeroinit=true;size=slab}else{zeroinit=false;size=slab.length}var singleType=typeof types==="string"?types:null;var ret;if(allocator==ALLOC_NONE){ret=ptr}else{ret=[typeof _malloc==="function"?_malloc:staticAlloc,stackAlloc,staticAlloc,dynamicAlloc][allocator===undefined?ALLOC_STATIC:allocator](Math.max(size,singleType?1:types.length))}if(zeroinit){var stop;ptr=ret;assert((ret&3)==0);stop=ret+(size&~3);for(;ptr>2]=0}stop=ret+size;while(ptr>0]=0}return ret}if(singleType==="i8"){if(slab.subarray||slab.slice){HEAPU8.set(slab,ret)}else{HEAPU8.set(new Uint8Array(slab),ret)}return ret}var i=0,type,typeSize,previousType;while(i>0];hasUtf|=t;if(t==0&&!length)break;i++;if(length&&i==length)break}if(!length)length=i;var ret="";if(hasUtf<128){var MAX_CHUNK=1024;var curr;while(length>0){curr=String.fromCharCode.apply(String,HEAPU8.subarray(ptr,ptr+Math.min(length,MAX_CHUNK)));ret=ret?ret+curr:curr;ptr+=MAX_CHUNK;length-=MAX_CHUNK}return ret}return UTF8ToString(ptr)}var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(u8Array,idx){var endPtr=idx;while(u8Array[endPtr])++endPtr;if(endPtr-idx>16&&u8Array.subarray&&UTF8Decoder){return UTF8Decoder.decode(u8Array.subarray(idx,endPtr))}else{var u0,u1,u2,u3,u4,u5;var str="";while(1){u0=u8Array[idx++];if(!u0)return str;if(!(u0&128)){str+=String.fromCharCode(u0);continue}u1=u8Array[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}u2=u8Array[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u3=u8Array[idx++]&63;if((u0&248)==240){u0=(u0&7)<<18|u1<<12|u2<<6|u3}else{u4=u8Array[idx++]&63;if((u0&252)==248){u0=(u0&3)<<24|u1<<18|u2<<12|u3<<6|u4}else{u5=u8Array[idx++]&63;u0=(u0&1)<<30|u1<<24|u2<<18|u3<<12|u4<<6|u5}}}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}}function UTF8ToString(ptr){return UTF8ArrayToString(HEAPU8,ptr)}function stringToUTF8Array(str,outU8Array,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127){if(outIdx>=endIdx)break;outU8Array[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;outU8Array[outIdx++]=192|u>>6;outU8Array[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;outU8Array[outIdx++]=224|u>>12;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else if(u<=2097151){if(outIdx+3>=endIdx)break;outU8Array[outIdx++]=240|u>>18;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else if(u<=67108863){if(outIdx+4>=endIdx)break;outU8Array[outIdx++]=248|u>>24;outU8Array[outIdx++]=128|u>>18&63;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else{if(outIdx+5>=endIdx)break;outU8Array[outIdx++]=252|u>>30;outU8Array[outIdx++]=128|u>>24&63;outU8Array[outIdx++]=128|u>>18&63;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}}outU8Array[outIdx]=0;return outIdx-startIdx}function stringToUTF8(str,outPtr,maxBytesToWrite){return stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite)}function lengthBytesUTF8(str){var len=0;for(var i=0;i=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127){++len}else if(u<=2047){len+=2}else if(u<=65535){len+=3}else if(u<=2097151){len+=4}else if(u<=67108863){len+=5}else{len+=6}}return len}var UTF16Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf-16le"):undefined;function demangle(func){return func}function demangleAll(text){var regex=/__Z[\w\d_]+/g;return text.replace(regex,(function(x){var y=demangle(x);return x===y?x:x+" ["+y+"]"}))}function jsStackTrace(){var err=new Error;if(!err.stack){try{throw new Error(0)}catch(e){err=e}if(!err.stack){return"(no stack trace available)"}}return err.stack.toString()}var WASM_PAGE_SIZE=65536;var ASMJS_PAGE_SIZE=16777216;var MIN_TOTAL_MEMORY=16777216;function alignUp(x,multiple){if(x%multiple>0){x+=multiple-x%multiple}return x}var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateGlobalBuffer(buf){Module["buffer"]=buffer=buf}function updateGlobalBufferViews(){Module["HEAP8"]=HEAP8=new Int8Array(buffer);Module["HEAP16"]=HEAP16=new Int16Array(buffer);Module["HEAP32"]=HEAP32=new Int32Array(buffer);Module["HEAPU8"]=HEAPU8=new Uint8Array(buffer);Module["HEAPU16"]=HEAPU16=new Uint16Array(buffer);Module["HEAPU32"]=HEAPU32=new Uint32Array(buffer);Module["HEAPF32"]=HEAPF32=new Float32Array(buffer);Module["HEAPF64"]=HEAPF64=new Float64Array(buffer)}var STATIC_BASE,STATICTOP,staticSealed;var STACK_BASE,STACKTOP,STACK_MAX;var DYNAMIC_BASE,DYNAMICTOP_PTR;STATIC_BASE=STATICTOP=STACK_BASE=STACKTOP=STACK_MAX=DYNAMIC_BASE=DYNAMICTOP_PTR=0;staticSealed=false;function abortOnCannotGrowMemory(){abort("Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value "+TOTAL_MEMORY+", (2) compile with -s ALLOW_MEMORY_GROWTH=1 which allows increasing the size at runtime but prevents some optimizations, (3) set Module.TOTAL_MEMORY to a higher value before the program runs, or (4) if you want malloc to return NULL (0) instead of this abort, compile with -s ABORTING_MALLOC=0 ")}if(!Module["reallocBuffer"])Module["reallocBuffer"]=(function(size){var ret;try{if(ArrayBuffer.transfer){ret=ArrayBuffer.transfer(buffer,size)}else{var oldHEAP8=HEAP8;ret=new ArrayBuffer(size);var temp=new Int8Array(ret);temp.set(oldHEAP8)}}catch(e){return false}var success=_emscripten_replace_memory(ret);if(!success)return false;return ret});function enlargeMemory(){var PAGE_MULTIPLE=Module["usingWasm"]?WASM_PAGE_SIZE:ASMJS_PAGE_SIZE;var LIMIT=2147483648-PAGE_MULTIPLE;if(HEAP32[DYNAMICTOP_PTR>>2]>LIMIT){return false}var OLD_TOTAL_MEMORY=TOTAL_MEMORY;TOTAL_MEMORY=Math.max(TOTAL_MEMORY,MIN_TOTAL_MEMORY);while(TOTAL_MEMORY>2]){if(TOTAL_MEMORY<=536870912){TOTAL_MEMORY=alignUp(2*TOTAL_MEMORY,PAGE_MULTIPLE)}else{TOTAL_MEMORY=Math.min(alignUp((3*TOTAL_MEMORY+2147483648)/4,PAGE_MULTIPLE),LIMIT)}}var replacement=Module["reallocBuffer"](TOTAL_MEMORY);if(!replacement||replacement.byteLength!=TOTAL_MEMORY){TOTAL_MEMORY=OLD_TOTAL_MEMORY;return false}updateGlobalBuffer(replacement);updateGlobalBufferViews();return true}var byteLength;try{byteLength=Function.prototype.call.bind(Object.getOwnPropertyDescriptor(ArrayBuffer.prototype,"byteLength").get);byteLength(new ArrayBuffer(4))}catch(e){byteLength=(function(buffer){return buffer.byteLength})}var TOTAL_STACK=Module["TOTAL_STACK"]||5242880;var TOTAL_MEMORY=Module["TOTAL_MEMORY"]||16777216;if(TOTAL_MEMORY0){var callback=callbacks.shift();if(typeof callback=="function"){callback();continue}var func=callback.func;if(typeof 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tempDoublePtr=STATICTOP;STATICTOP+=16;function ___cxa_allocate_exception(size){return _malloc(size)}function __ZSt18uncaught_exceptionv(){return!!__ZSt18uncaught_exceptionv.uncaught_exception}var EXCEPTIONS={last:0,caught:[],infos:{},deAdjust:(function(adjusted){if(!adjusted||EXCEPTIONS.infos[adjusted])return adjusted;for(var ptr in EXCEPTIONS.infos){var info=EXCEPTIONS.infos[ptr];if(info.adjusted===adjusted){return ptr}}return adjusted}),addRef:(function(ptr){if(!ptr)return;var info=EXCEPTIONS.infos[ptr];info.refcount++}),decRef:(function(ptr){if(!ptr)return;var info=EXCEPTIONS.infos[ptr];assert(info.refcount>0);info.refcount--;if(info.refcount===0&&!info.rethrown){if(info.destructor){Module["dynCall_vi"](info.destructor,ptr)}delete EXCEPTIONS.infos[ptr];___cxa_free_exception(ptr)}}),clearRef:(function(ptr){if(!ptr)return;var info=EXCEPTIONS.infos[ptr];info.refcount=0})};function ___cxa_begin_catch(ptr){var info=EXCEPTIONS.infos[ptr];if(info&&!info.caught){info.caught=true;__ZSt18uncaught_exceptionv.uncaught_exception--}if(info)info.rethrown=false;EXCEPTIONS.caught.push(ptr);EXCEPTIONS.addRef(EXCEPTIONS.deAdjust(ptr));return ptr}function ___cxa_pure_virtual(){ABORT=true;throw"Pure virtual function called!"}function ___resumeException(ptr){if(!EXCEPTIONS.last){EXCEPTIONS.last=ptr}throw ptr+" - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch."}function ___cxa_find_matching_catch(){var thrown=EXCEPTIONS.last;if(!thrown){return(setTempRet0(0),0)|0}var info=EXCEPTIONS.infos[thrown];var throwntype=info.type;if(!throwntype){return(setTempRet0(0),thrown)|0}var typeArray=Array.prototype.slice.call(arguments);var pointer=Module["___cxa_is_pointer_type"](throwntype);if(!___cxa_find_matching_catch.buffer)___cxa_find_matching_catch.buffer=_malloc(4);HEAP32[___cxa_find_matching_catch.buffer>>2]=thrown;thrown=___cxa_find_matching_catch.buffer;for(var i=0;i>2];info.adjusted=thrown;return(setTempRet0(typeArray[i]),thrown)|0}}thrown=HEAP32[thrown>>2];return(setTempRet0(throwntype),thrown)|0}function ___cxa_throw(ptr,type,destructor){EXCEPTIONS.infos[ptr]={ptr:ptr,adjusted:ptr,type:type,destructor:destructor,refcount:0,caught:false,rethrown:false};EXCEPTIONS.last=ptr;if(!("uncaught_exception"in __ZSt18uncaught_exceptionv)){__ZSt18uncaught_exceptionv.uncaught_exception=1}else{__ZSt18uncaught_exceptionv.uncaught_exception++}throw ptr+" - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch."}var cttz_i8=allocate([8,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,7,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0],"i8",ALLOC_STATIC);function ___gxx_personality_v0(){}var SYSCALLS={varargs:0,get:(function(varargs){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret}),getStr:(function(){var ret=Pointer_stringify(SYSCALLS.get());return ret}),get64:(function(){var low=SYSCALLS.get(),high=SYSCALLS.get();if(low>=0)assert(high===0);else assert(high===-1);return low}),getZero:(function(){assert(SYSCALLS.get()===0)})};function ___syscall140(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),offset_high=SYSCALLS.get(),offset_low=SYSCALLS.get(),result=SYSCALLS.get(),whence=SYSCALLS.get();var offset=offset_low;FS.llseek(stream,offset,whence);HEAP32[result>>2]=stream.position;if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function flush_NO_FILESYSTEM(){var fflush=Module["_fflush"];if(fflush)fflush(0);var printChar=___syscall146.printChar;if(!printChar)return;var buffers=___syscall146.buffers;if(buffers[1].length)printChar(1,10);if(buffers[2].length)printChar(2,10)}function ___syscall146(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.get(),iov=SYSCALLS.get(),iovcnt=SYSCALLS.get();var ret=0;if(!___syscall146.buffers){___syscall146.buffers=[null,[],[]];___syscall146.printChar=(function(stream,curr){var buffer=___syscall146.buffers[stream];assert(buffer);if(curr===0||curr===10){(stream===1?Module["print"]:Module["printErr"])(UTF8ArrayToString(buffer,0));buffer.length=0}else{buffer.push(curr)}})}for(var i=0;i>2];var len=HEAP32[iov+(i*8+4)>>2];for(var j=0;j>2]=PTHREAD_SPECIFIC_NEXT_KEY;PTHREAD_SPECIFIC[PTHREAD_SPECIFIC_NEXT_KEY]=0;PTHREAD_SPECIFIC_NEXT_KEY++;return 0}function _pthread_once(ptr,func){if(!_pthread_once.seen)_pthread_once.seen={};if(ptr in _pthread_once.seen)return;Module["dynCall_v"](func);_pthread_once.seen[ptr]=1}function _pthread_setspecific(key,value){if(!(key in PTHREAD_SPECIFIC)){return ERRNO_CODES.EINVAL}PTHREAD_SPECIFIC[key]=value;return 0}function ___setErrNo(value){if(Module["___errno_location"])HEAP32[Module["___errno_location"]()>>2]=value;return value}DYNAMICTOP_PTR=staticAlloc(4);STACK_BASE=STACKTOP=alignMemory(STATICTOP);STACK_MAX=STACK_BASE+TOTAL_STACK;DYNAMIC_BASE=alignMemory(STACK_MAX);HEAP32[DYNAMICTOP_PTR>>2]=DYNAMIC_BASE;staticSealed=true;var ASSERTIONS=false;function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}function intArrayToString(array){var ret=[];for(var i=0;i255){if(ASSERTIONS){assert(false,"Character code "+chr+" ("+String.fromCharCode(chr)+") at offset "+i+" not in 0x00-0xFF.")}chr&=255}ret.push(String.fromCharCode(chr))}return ret.join("")}var decodeBase64=typeof atob==="function"?atob:(function(input){var keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";var output="";var chr1,chr2,chr3;var enc1,enc2,enc3,enc4;var i=0;input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");do{enc1=keyStr.indexOf(input.charAt(i++));enc2=keyStr.indexOf(input.charAt(i++));enc3=keyStr.indexOf(input.charAt(i++));enc4=keyStr.indexOf(input.charAt(i++));chr1=enc1<<2|enc2>>4;chr2=(enc2&15)<<4|enc3>>2;chr3=(enc3&3)<<6|enc4;output=output+String.fromCharCode(chr1);if(enc3!==64){output=output+String.fromCharCode(chr2)}if(enc4!==64){output=output+String.fromCharCode(chr3)}}while(i2147483648)return false;b=new a(newBuffer);d=new c(newBuffer);f=new e(newBuffer);h=new g(newBuffer);j=new i(newBuffer);l=new k(newBuffer);n=new m(newBuffer);p=new o(newBuffer);buffer=newBuffer;return true} +// EMSCRIPTEN_START_FUNCS +function wc(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;if(!a)return;b=a+-8|0;c=f[4516]|0;d=f[a+-4>>2]|0;a=d&-8;e=b+a|0;do if(!(d&1)){g=f[b>>2]|0;if(!(d&3))return;h=b+(0-g)|0;i=g+a|0;if(h>>>0>>0)return;if((f[4517]|0)==(h|0)){j=e+4|0;k=f[j>>2]|0;if((k&3|0)!=3){l=h;m=i;n=h;break}f[4514]=i;f[j>>2]=k&-2;f[h+4>>2]=i|1;f[h+i>>2]=i;return}k=g>>>3;if(g>>>0<256){g=f[h+8>>2]|0;j=f[h+12>>2]|0;if((j|0)==(g|0)){f[4512]=f[4512]&~(1<>2]=j;f[j+8>>2]=g;l=h;m=i;n=h;break}}g=f[h+24>>2]|0;j=f[h+12>>2]|0;do if((j|0)==(h|0)){k=h+16|0;o=k+4|0;p=f[o>>2]|0;if(!p){q=f[k>>2]|0;if(!q){r=0;break}else{s=q;t=k}}else{s=p;t=o}while(1){o=s+20|0;p=f[o>>2]|0;if(p|0){s=p;t=o;continue}o=s+16|0;p=f[o>>2]|0;if(!p)break;else{s=p;t=o}}f[t>>2]=0;r=s}else{o=f[h+8>>2]|0;f[o+12>>2]=j;f[j+8>>2]=o;r=j}while(0);if(g){j=f[h+28>>2]|0;o=18352+(j<<2)|0;if((f[o>>2]|0)==(h|0)){f[o>>2]=r;if(!r){f[4513]=f[4513]&~(1<>2]|0)!=(h|0)&1)<<2)>>2]=r;if(!r){l=h;m=i;n=h;break}}f[r+24>>2]=g;j=h+16|0;o=f[j>>2]|0;if(o|0){f[r+16>>2]=o;f[o+24>>2]=r}o=f[j+4>>2]|0;if(o){f[r+20>>2]=o;f[o+24>>2]=r;l=h;m=i;n=h}else{l=h;m=i;n=h}}else{l=h;m=i;n=h}}else{l=b;m=a;n=b}while(0);if(n>>>0>=e>>>0)return;b=e+4|0;a=f[b>>2]|0;if(!(a&1))return;if(!(a&2)){if((f[4518]|0)==(e|0)){r=(f[4515]|0)+m|0;f[4515]=r;f[4518]=l;f[l+4>>2]=r|1;if((l|0)!=(f[4517]|0))return;f[4517]=0;f[4514]=0;return}if((f[4517]|0)==(e|0)){r=(f[4514]|0)+m|0;f[4514]=r;f[4517]=n;f[l+4>>2]=r|1;f[n+r>>2]=r;return}r=(a&-8)+m|0;s=a>>>3;do if(a>>>0<256){t=f[e+8>>2]|0;c=f[e+12>>2]|0;if((c|0)==(t|0)){f[4512]=f[4512]&~(1<>2]=c;f[c+8>>2]=t;break}}else{t=f[e+24>>2]|0;c=f[e+12>>2]|0;do if((c|0)==(e|0)){d=e+16|0;o=d+4|0;j=f[o>>2]|0;if(!j){p=f[d>>2]|0;if(!p){u=0;break}else{v=p;w=d}}else{v=j;w=o}while(1){o=v+20|0;j=f[o>>2]|0;if(j|0){v=j;w=o;continue}o=v+16|0;j=f[o>>2]|0;if(!j)break;else{v=j;w=o}}f[w>>2]=0;u=v}else{o=f[e+8>>2]|0;f[o+12>>2]=c;f[c+8>>2]=o;u=c}while(0);if(t|0){c=f[e+28>>2]|0;h=18352+(c<<2)|0;if((f[h>>2]|0)==(e|0)){f[h>>2]=u;if(!u){f[4513]=f[4513]&~(1<>2]|0)!=(e|0)&1)<<2)>>2]=u;if(!u)break}f[u+24>>2]=t;c=e+16|0;h=f[c>>2]|0;if(h|0){f[u+16>>2]=h;f[h+24>>2]=u}h=f[c+4>>2]|0;if(h|0){f[u+20>>2]=h;f[h+24>>2]=u}}}while(0);f[l+4>>2]=r|1;f[n+r>>2]=r;if((l|0)==(f[4517]|0)){f[4514]=r;return}else x=r}else{f[b>>2]=a&-2;f[l+4>>2]=m|1;f[n+m>>2]=m;x=m}m=x>>>3;if(x>>>0<256){n=18088+(m<<1<<2)|0;a=f[4512]|0;b=1<>2]|0;z=b}f[z>>2]=l;f[y+12>>2]=l;f[l+8>>2]=y;f[l+12>>2]=n;return}n=x>>>8;if(n)if(x>>>0>16777215)A=31;else{y=(n+1048320|0)>>>16&8;z=n<>>16&4;b=z<>>16&2;a=14-(n|y|z)+(b<>>15)|0;A=x>>>(a+7|0)&1|a<<1}else A=0;a=18352+(A<<2)|0;f[l+28>>2]=A;f[l+20>>2]=0;f[l+16>>2]=0;z=f[4513]|0;b=1<>>1)|0);n=f[a>>2]|0;while(1){if((f[n+4>>2]&-8|0)==(x|0)){B=73;break}C=n+16+(y>>>31<<2)|0;m=f[C>>2]|0;if(!m){B=72;break}else{y=y<<1;n=m}}if((B|0)==72){f[C>>2]=l;f[l+24>>2]=n;f[l+12>>2]=l;f[l+8>>2]=l;break}else if((B|0)==73){y=n+8|0;t=f[y>>2]|0;f[t+12>>2]=l;f[y>>2]=l;f[l+8>>2]=t;f[l+12>>2]=n;f[l+24>>2]=0;break}}else{f[4513]=z|b;f[a>>2]=l;f[l+24>>2]=a;f[l+12>>2]=l;f[l+8>>2]=l}while(0);l=(f[4520]|0)+-1|0;f[4520]=l;if(!l)D=18504;else return;while(1){l=f[D>>2]|0;if(!l)break;else D=l+8|0}f[4520]=-1;return}function xc(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=Oa,F=Oa,G=Oa,H=0,I=0,J=0,K=0;d=b[c+11>>0]|0;e=d<<24>>24<0;g=e?f[c>>2]|0:c;i=e?f[c+4>>2]|0:d&255;if(i>>>0>3){d=g;e=i;j=i;while(1){k=X(h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24,1540483477)|0;e=(X(k>>>24^k,1540483477)|0)^(X(e,1540483477)|0);j=j+-4|0;if(j>>>0<=3)break;else d=d+4|0}d=i+-4|0;j=d&-4;l=d-j|0;m=g+(j+4)|0;o=e}else{l=i;m=g;o=i}switch(l|0){case 3:{p=h[m+2>>0]<<16^o;q=6;break}case 2:{p=o;q=6;break}case 1:{r=o;q=7;break}default:s=o}if((q|0)==6){r=h[m+1>>0]<<8^p;q=7}if((q|0)==7)s=X(r^h[m>>0],1540483477)|0;m=X(s>>>13^s,1540483477)|0;s=m>>>15^m;m=a+4|0;r=f[m>>2]|0;p=(r|0)==0;a:do if(!p){o=r+-1|0;l=(o&r|0)==0;if(!l)if(s>>>0>>0)t=s;else t=(s>>>0)%(r>>>0)|0;else t=s&o;e=f[(f[a>>2]|0)+(t<<2)>>2]|0;if((e|0)!=0?(j=f[e>>2]|0,(j|0)!=0):0){e=(i|0)==0;if(l){if(e){l=j;while(1){d=f[l+4>>2]|0;if(!((d|0)==(s|0)|(d&o|0)==(t|0))){u=t;break a}d=b[l+8+11>>0]|0;if(!((d<<24>>24<0?f[l+12>>2]|0:d&255)|0)){v=l;break}l=f[l>>2]|0;if(!l){u=t;break a}}w=v+20|0;return w|0}else x=j;b:while(1){l=f[x+4>>2]|0;if(!((l|0)==(s|0)|(l&o|0)==(t|0))){u=t;break a}l=x+8|0;d=b[l+11>>0]|0;k=d<<24>>24<0;y=d&255;do if(((k?f[x+12>>2]|0:y)|0)==(i|0)){d=f[l>>2]|0;if(k)if(!(Pk(d,g,i)|0)){v=x;q=63;break b}else break;if((b[g>>0]|0)==(d&255)<<24>>24){d=l;z=y;A=g;do{z=z+-1|0;d=d+1|0;if(!z){v=x;q=63;break b}A=A+1|0}while((b[d>>0]|0)==(b[A>>0]|0))}}while(0);x=f[x>>2]|0;if(!x){u=t;break a}}if((q|0)==63){w=v+20|0;return w|0}}if(e){o=j;while(1){y=f[o+4>>2]|0;if((y|0)!=(s|0)){if(y>>>0>>0)B=y;else B=(y>>>0)%(r>>>0)|0;if((B|0)!=(t|0)){u=t;break a}}y=b[o+8+11>>0]|0;if(!((y<<24>>24<0?f[o+12>>2]|0:y&255)|0)){v=o;break}o=f[o>>2]|0;if(!o){u=t;break a}}w=v+20|0;return w|0}else C=j;c:while(1){o=f[C+4>>2]|0;if((o|0)!=(s|0)){if(o>>>0>>0)D=o;else D=(o>>>0)%(r>>>0)|0;if((D|0)!=(t|0)){u=t;break a}}o=C+8|0;e=b[o+11>>0]|0;y=e<<24>>24<0;l=e&255;do if(((y?f[C+12>>2]|0:l)|0)==(i|0)){e=f[o>>2]|0;if(y)if(!(Pk(e,g,i)|0)){v=C;q=63;break c}else break;if((b[g>>0]|0)==(e&255)<<24>>24){e=o;k=l;A=g;do{k=k+-1|0;e=e+1|0;if(!k){v=C;q=63;break c}A=A+1|0}while((b[e>>0]|0)==(b[A>>0]|0))}}while(0);C=f[C>>2]|0;if(!C){u=t;break a}}if((q|0)==63){w=v+20|0;return w|0}}else u=t}else u=0;while(0);t=dn(24)|0;dj(t+8|0,c);f[t+20>>2]=0;f[t+4>>2]=s;f[t>>2]=0;c=a+12|0;E=$(((f[c>>2]|0)+1|0)>>>0);F=$(r>>>0);G=$(n[a+16>>2]);do if(p|$(G*F)>>0<3|(r+-1&r|0)!=0)&1;g=~~$(W($(E/G)))>>>0;Ph(a,C>>>0>>0?g:C);C=f[m>>2]|0;g=C+-1|0;if(!(g&C)){H=C;I=g&s;break}if(s>>>0>>0){H=C;I=s}else{H=C;I=(s>>>0)%(C>>>0)|0}}else{H=r;I=u}while(0);u=(f[a>>2]|0)+(I<<2)|0;I=f[u>>2]|0;if(!I){r=a+8|0;f[t>>2]=f[r>>2];f[r>>2]=t;f[u>>2]=r;r=f[t>>2]|0;if(r|0){u=f[r+4>>2]|0;r=H+-1|0;if(r&H)if(u>>>0>>0)J=u;else J=(u>>>0)%(H>>>0)|0;else J=u&r;K=(f[a>>2]|0)+(J<<2)|0;q=61}}else{f[t>>2]=f[I>>2];K=I;q=61}if((q|0)==61)f[K>>2]=t;f[c>>2]=(f[c>>2]|0)+1;v=t;w=v+20|0;return w|0}function yc(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0.0,q=0.0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0.0,G=0.0,H=0,J=0,K=0,L=0,M=0,N=0,O=0.0,P=0,Q=0.0,R=0.0,S=0,T=0.0,U=0,V=0,W=0,X=0.0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0.0,da=0,ea=0.0;g=a+4|0;i=f[g>>2]|0;j=a+100|0;if(i>>>0<(f[j>>2]|0)>>>0){f[g>>2]=i+1;k=h[i>>0]|0;l=0}else{k=Di(a)|0;l=0}a:while(1){switch(k|0){case 46:{m=8;break a;break}case 48:break;default:{n=0;o=0;p=1.0;q=0.0;r=0;s=k;t=l;u=0;v=0;w=0;x=0;break a}}i=f[g>>2]|0;if(i>>>0<(f[j>>2]|0)>>>0){f[g>>2]=i+1;k=h[i>>0]|0;l=1;continue}else{k=Di(a)|0;l=1;continue}}if((m|0)==8){k=f[g>>2]|0;if(k>>>0<(f[j>>2]|0)>>>0){f[g>>2]=k+1;y=h[k>>0]|0}else y=Di(a)|0;if((y|0)==48){k=0;i=0;while(1){z=f[g>>2]|0;if(z>>>0<(f[j>>2]|0)>>>0){f[g>>2]=z+1;A=h[z>>0]|0}else A=Di(a)|0;z=Tn(k|0,i|0,-1,-1)|0;B=I;if((A|0)==48){k=z;i=B}else{n=1;o=0;p=1.0;q=0.0;r=0;s=A;t=1;u=0;v=0;w=z;x=B;break}}}else{n=1;o=0;p=1.0;q=0.0;r=0;s=y;t=l;u=0;v=0;w=0;x=0}}while(1){l=s+-48|0;y=s|32;if(l>>>0>=10){A=(s|0)==46;if(!(A|(y+-97|0)>>>0<6)){C=s;break}if(A)if(!n){D=1;E=o;F=p;G=q;H=r;J=t;K=v;L=u;M=v;N=u}else{C=46;break}else m=20}else m=20;if((m|0)==20){m=0;A=(s|0)>57?y+-87|0:l;do if(!((u|0)<0|(u|0)==0&v>>>0<8))if((u|0)<0|(u|0)==0&v>>>0<14){O=p*.0625;P=o;Q=O;R=q+O*+(A|0);S=r;break}else{l=(o|0)!=0|(A|0)==0;P=l?o:1;Q=p;R=l?q:q+p*.5;S=r;break}else{P=o;Q=p;R=q;S=A+(r<<4)|0}while(0);A=Tn(v|0,u|0,1,0)|0;D=n;E=P;F=Q;G=R;H=S;J=1;K=w;L=x;M=A;N=I}A=f[g>>2]|0;if(A>>>0<(f[j>>2]|0)>>>0){f[g>>2]=A+1;n=D;o=E;p=F;q=G;r=H;s=h[A>>0]|0;t=J;u=N;v=M;w=K;x=L;continue}else{n=D;o=E;p=F;q=G;r=H;s=Di(a)|0;t=J;u=N;v=M;w=K;x=L;continue}}do if(!t){L=(f[j>>2]|0)==0;if(!L)f[g>>2]=(f[g>>2]|0)+-1;if(e){if(!L)f[g>>2]=(f[g>>2]|0)+-1;if(!((n|0)==0|L))f[g>>2]=(f[g>>2]|0)+-1}else Rm(a,0);T=+(d|0)*0.0}else{L=(n|0)==0;K=L?v:w;M=L?u:x;if((u|0)<0|(u|0)==0&v>>>0<8){L=r;N=v;J=u;while(1){s=L<<4;H=N;N=Tn(N|0,J|0,1,0)|0;if(!((J|0)<0|(J|0)==0&H>>>0<7)){U=s;break}else{L=s;J=I}}}else U=r;if((C|32|0)==112){J=De(a,e)|0;L=I;if((J|0)==0&(L|0)==-2147483648){if(!e){Rm(a,0);T=0.0;break}if(!(f[j>>2]|0)){V=0;W=0}else{f[g>>2]=(f[g>>2]|0)+-1;V=0;W=0}}else{V=J;W=L}}else if(!(f[j>>2]|0)){V=0;W=0}else{f[g>>2]=(f[g>>2]|0)+-1;V=0;W=0}L=Rn(K|0,M|0,2)|0;J=Tn(L|0,I|0,-32,-1)|0;L=Tn(J|0,I|0,V|0,W|0)|0;J=I;if(!U){T=+(d|0)*0.0;break}N=0-c|0;s=((N|0)<0)<<31>>31;if((J|0)>(s|0)|(J|0)==(s|0)&L>>>0>N>>>0){N=ir()|0;f[N>>2]=34;T=+(d|0)*1797693134862315708145274.0e284*1797693134862315708145274.0e284;break}N=c+-106|0;s=((N|0)<0)<<31>>31;if((J|0)<(s|0)|(J|0)==(s|0)&L>>>0>>0){N=ir()|0;f[N>>2]=34;T=+(d|0)*2.2250738585072014e-308*2.2250738585072014e-308;break}if((U|0)>-1){G=q;N=U;s=L;H=J;while(1){E=!(G>=.5);o=N<<1|(E^1)&1;F=G+(E?G:G+-1.0);E=Tn(s|0,H|0,-1,-1)|0;D=I;if((o|0)>-1){G=F;N=o;s=E;H=D}else{X=F;Y=o;Z=E;_=D;break}}}else{X=q;Y=U;Z=L;_=J}H=((b|0)<0)<<31>>31;s=Vn(32,0,c|0,((c|0)<0)<<31>>31|0)|0;N=Tn(s|0,I|0,Z|0,_|0)|0;s=I;if((s|0)<(H|0)|(s|0)==(H|0)&N>>>0>>0)if((N|0)>0){$=N;m=59}else{aa=0;ba=84;m=61}else{$=b;m=59}if((m|0)==59)if(($|0)<53){aa=$;ba=84-$|0;m=61}else{ca=0.0;da=$;ea=+(d|0)}if((m|0)==61){G=+(d|0);ca=+Gq(+Wj(1.0,ba),G);da=aa;ea=G}N=(Y&1|0)==0&(X!=0.0&(da|0)<32);G=(N?0.0:X)*ea+(ca+ea*+((Y+(N&1)|0)>>>0))-ca;if(!(G!=0.0)){N=ir()|0;f[N>>2]=34}T=+Hq(G,Z)}while(0);return +T}function zc(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0;g=u;u=u+16|0;h=g+4|0;i=g;if(!(oh(a,d)|0)){j=0;u=g;return j|0}d=a+84|0;k=f[d>>2]|0;l=a+88|0;m=f[l>>2]|0;if((m|0)!=(k|0))f[l>>2]=m+(~((m+-4-k|0)>>>2)<<2);f[d>>2]=0;f[l>>2]=0;f[a+92>>2]=0;if(k|0)br(k);k=a+72|0;l=f[k>>2]|0;d=a+76|0;if((f[d>>2]|0)!=(l|0))f[d>>2]=l;f[k>>2]=0;f[d>>2]=0;f[a+80>>2]=0;if(l|0)br(l);l=a+64|0;d=f[l>>2]|0;if((f[d+4>>2]|0)!=(f[d>>2]|0)){k=a+12|0;m=e+84|0;n=e+68|0;o=c+96|0;p=a+24|0;q=0;r=d;do{f[i>>2]=(q>>>0)/3|0;f[h>>2]=f[i>>2];d=Rj(r,h)|0;r=f[l>>2]|0;do if(!d){s=f[(f[r+12>>2]|0)+(q<<2)>>2]|0;if((s|0)==-1){t=(f[a>>2]|0)+(q>>>5<<2)|0;f[t>>2]=f[t>>2]|1<<(q&31);t=q+1|0;v=((t>>>0)%3|0|0)==0?q+-2|0:t;if((v|0)==-1)w=-1;else w=f[(f[r>>2]|0)+(v<<2)>>2]|0;v=(f[k>>2]|0)+(w>>>5<<2)|0;f[v>>2]=f[v>>2]|1<<(w&31);v=(((q>>>0)%3|0|0)==0?2:-1)+q|0;if((v|0)==-1)x=-1;else x=f[(f[r>>2]|0)+(v<<2)>>2]|0;v=(f[k>>2]|0)+(x>>>5<<2)|0;f[v>>2]=f[v>>2]|1<<(x&31);break}if(s>>>0>=q>>>0){v=q+1|0;t=((v>>>0)%3|0|0)==0?q+-2|0:v;y=s+(((s>>>0)%3|0|0)==0?2:-1)|0;z=(t|0)==-1;if(!(b[m>>0]|0)){if(z)A=-1;else A=f[(f[o>>2]|0)+(((t|0)/3|0)*12|0)+(((t|0)%3|0)<<2)>>2]|0;B=(y|0)==-1;if(B)C=-1;else C=f[(f[o>>2]|0)+(((y|0)/3|0)*12|0)+(((y|0)%3|0)<<2)>>2]|0;D=f[n>>2]|0;if((f[D+(A<<2)>>2]|0)==(f[D+(C<<2)>>2]|0)){E=t+1|0;if(z)F=-1;else F=((E>>>0)%3|0|0)==0?t+-2|0:E;do if(!B)if(!((y>>>0)%3|0)){G=y+2|0;break}else{G=y+-1|0;break}else G=-1;while(0);if((F|0)==-1)H=-1;else H=f[(f[o>>2]|0)+(((F|0)/3|0)*12|0)+(((F|0)%3|0)<<2)>>2]|0;if((G|0)==-1)I=-1;else I=f[(f[o>>2]|0)+(((G|0)/3|0)*12|0)+(((G|0)%3|0)<<2)>>2]|0;if((f[D+(H<<2)>>2]|0)==(f[D+(I<<2)>>2]|0))break}}else{if(z)J=-1;else J=f[(f[o>>2]|0)+(((t|0)/3|0)*12|0)+(((t|0)%3|0)<<2)>>2]|0;B=(y|0)==-1;if(B)K=-1;else K=f[(f[o>>2]|0)+(((y|0)/3|0)*12|0)+(((y|0)%3|0)<<2)>>2]|0;if((J|0)==(K|0)){E=t+1|0;if(z)L=-1;else L=((E>>>0)%3|0|0)==0?t+-2|0:E;do if(!B)if(!((y>>>0)%3|0)){M=y+2|0;break}else{M=y+-1|0;break}else M=-1;while(0);if((L|0)==-1)N=-1;else N=f[(f[o>>2]|0)+(((L|0)/3|0)*12|0)+(((L|0)%3|0)<<2)>>2]|0;if((M|0)==-1)O=-1;else O=f[(f[o>>2]|0)+(((M|0)/3|0)*12|0)+(((M|0)%3|0)<<2)>>2]|0;if((N|0)==(O|0))break}}b[p>>0]=0;y=f[a>>2]|0;B=y+(q>>>5<<2)|0;f[B>>2]=f[B>>2]|1<<(q&31);B=y+(s>>>5<<2)|0;f[B>>2]=f[B>>2]|1<<(s&31);B=((v>>>0)%3|0|0)==0?q+-2|0:v;if((B|0)==-1)P=-1;else P=f[(f[r>>2]|0)+(B<<2)>>2]|0;B=(f[k>>2]|0)+(P>>>5<<2)|0;f[B>>2]=f[B>>2]|1<<(P&31);B=(((q>>>0)%3|0|0)==0?2:-1)+q|0;if((B|0)==-1)Q=-1;else Q=f[(f[r>>2]|0)+(B<<2)>>2]|0;B=(f[k>>2]|0)+(Q>>>5<<2)|0;f[B>>2]=f[B>>2]|1<<(Q&31);B=s+1|0;y=((B>>>0)%3|0|0)==0?s+-2|0:B;if((y|0)==-1)R=-1;else R=f[(f[r>>2]|0)+(y<<2)>>2]|0;y=(f[k>>2]|0)+(R>>>5<<2)|0;f[y>>2]=f[y>>2]|1<<(R&31);y=(((s>>>0)%3|0|0)==0?2:-1)+s|0;if((y|0)==-1)S=-1;else S=f[(f[r>>2]|0)+(y<<2)>>2]|0;y=(f[k>>2]|0)+(S>>>5<<2)|0;f[y>>2]=f[y>>2]|1<<(S&31)}}while(0);q=q+1|0}while(q>>>0<(f[r+4>>2]|0)-(f[r>>2]|0)>>2>>>0)}if((c|0)!=0&(e|0)!=0){Kc(a,c,e);j=1;u=g;return j|0}else{gd(a,0,0);j=1;u=g;return j|0}return 0}function Ac(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0;d=u;u=u+32|0;e=d+12|0;g=d+8|0;h=d+4|0;i=d;j=a+8|0;a:do if(f[j>>2]|0?(k=f[a>>2]|0,l=a+4|0,f[a>>2]=l,f[(f[l>>2]|0)+8>>2]=0,f[l>>2]=0,f[j>>2]=0,m=f[k+4>>2]|0,n=(m|0)==0?k:m,n|0):0){m=a+4|0;k=n;n=f[b>>2]|0;while(1){if((n|0)==(f[c>>2]|0))break;o=k+16|0;f[o>>2]=f[n+16>>2];if((k|0)!=(n|0)){f[h>>2]=f[n+20>>2];f[i>>2]=n+24;f[g>>2]=f[h>>2];f[e>>2]=f[i>>2];Hc(k+20|0,g,e)}p=k+8|0;q=f[p>>2]|0;do if(q){r=f[q>>2]|0;if((r|0)==(k|0)){f[q>>2]=0;s=f[q+4>>2]|0;if(!s){t=q;break}else v=s;while(1){s=f[v>>2]|0;if(s|0){v=s;continue}s=f[v+4>>2]|0;if(!s)break;else v=s}t=v;break}else{f[q+4>>2]=0;if(!r){t=q;break}else w=r;while(1){s=f[w>>2]|0;if(s|0){w=s;continue}s=f[w+4>>2]|0;if(!s)break;else w=s}t=w;break}}else t=0;while(0);q=f[l>>2]|0;do if(q){r=f[o>>2]|0;s=q;while(1){if((r|0)<(f[s+16>>2]|0)){x=f[s>>2]|0;if(!x){y=22;break}else z=x}else{A=s+4|0;x=f[A>>2]|0;if(!x){y=25;break}else z=x}s=z}if((y|0)==22){y=0;B=s;C=s;break}else if((y|0)==25){y=0;B=s;C=A;break}}else{B=l;C=l}while(0);f[k>>2]=0;f[k+4>>2]=0;f[p>>2]=B;f[C>>2]=k;q=f[f[a>>2]>>2]|0;if(!q)D=k;else{f[a>>2]=q;D=f[C>>2]|0}Ae(f[m>>2]|0,D);f[j>>2]=(f[j>>2]|0)+1;q=f[n+4>>2]|0;if(!q){o=n+8|0;r=f[o>>2]|0;if((f[r>>2]|0)==(n|0))E=r;else{r=o;do{o=f[r>>2]|0;r=o+8|0;x=f[r>>2]|0}while((f[x>>2]|0)!=(o|0));E=x}}else{r=q;while(1){p=f[r>>2]|0;if(!p)break;else r=p}E=r}f[b>>2]=E;if(!t)break a;else{k=t;n=E}}n=f[k+8>>2]|0;if(!n)F=k;else{m=n;while(1){n=f[m+8>>2]|0;if(!n)break;else m=n}F=m}Dj(a,F)}while(0);F=f[b>>2]|0;E=f[c>>2]|0;if((F|0)==(E|0)){u=d;return}c=a+4|0;t=a+4|0;D=F;while(1){tg(e,a,D+16|0);F=f[c>>2]|0;do if(F){C=f[e>>2]|0;B=f[C+16>>2]|0;A=F;while(1){if((B|0)<(f[A+16>>2]|0)){z=f[A>>2]|0;if(!z){y=43;break}else G=z}else{H=A+4|0;z=f[H>>2]|0;if(!z){y=46;break}else G=z}A=G}if((y|0)==43){y=0;I=A;J=A;K=C;break}else if((y|0)==46){y=0;I=A;J=H;K=C;break}}else{I=c;J=c;K=f[e>>2]|0}while(0);f[K>>2]=0;f[K+4>>2]=0;f[K+8>>2]=I;f[J>>2]=K;F=f[f[a>>2]>>2]|0;if(!F)L=K;else{f[a>>2]=F;L=f[J>>2]|0}Ae(f[t>>2]|0,L);f[j>>2]=(f[j>>2]|0)+1;F=f[D+4>>2]|0;if(!F){m=D+8|0;B=f[m>>2]|0;if((f[B>>2]|0)==(D|0))M=B;else{B=m;do{m=f[B>>2]|0;B=m+8|0;r=f[B>>2]|0}while((f[r>>2]|0)!=(m|0));M=r}}else{B=F;while(1){r=f[B>>2]|0;if(!r)break;else B=r}M=B}f[b>>2]=M;if((M|0)==(E|0))break;else D=M}u=d;return}function Bc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0;g=a+8|0;Ah(g,b,d,e);d=e>>>0>1073741823?-1:e<<2;h=_q(d)|0;hj(h|0,0,d|0)|0;d=f[a+48>>2]|0;i=f[a+56>>2]|0;j=f[i>>2]|0;k=(f[i+4>>2]|0)-j|0;l=k>>2;a:do if((k|0)>4){m=f[a+52>>2]|0;n=a+16|0;o=a+32|0;p=a+12|0;q=a+28|0;r=a+20|0;s=a+24|0;t=d+12|0;u=(e|0)>0;v=j;w=l;while(1){x=w;w=w+-1|0;if(l>>>0<=w>>>0)break;y=f[v+(w<<2)>>2]|0;z=X(w,e)|0;if((y|0)!=-1?(A=f[(f[t>>2]|0)+(y<<2)>>2]|0,(A|0)!=-1):0){y=f[d>>2]|0;B=f[m>>2]|0;C=f[B+(f[y+(A<<2)>>2]<<2)>>2]|0;D=A+1|0;E=((D>>>0)%3|0|0)==0?A+-2|0:D;if((E|0)==-1)F=-1;else F=f[y+(E<<2)>>2]|0;E=f[B+(F<<2)>>2]|0;D=(((A>>>0)%3|0|0)==0?2:-1)+A|0;if((D|0)==-1)G=-1;else G=f[y+(D<<2)>>2]|0;D=f[B+(G<<2)>>2]|0;if((C|0)<(w|0)&(E|0)<(w|0)&(D|0)<(w|0)){B=X(C,e)|0;C=X(E,e)|0;E=X(D,e)|0;if(u){D=0;do{f[h+(D<<2)>>2]=(f[b+(D+E<<2)>>2]|0)+(f[b+(D+C<<2)>>2]|0)-(f[b+(D+B<<2)>>2]|0);D=D+1|0}while((D|0)!=(e|0))}D=b+(z<<2)|0;B=c+(z<<2)|0;C=f[g>>2]|0;if((C|0)>0){E=0;y=h;A=C;while(1){if((A|0)>0){C=0;do{H=f[y+(C<<2)>>2]|0;I=f[n>>2]|0;if((H|0)>(I|0)){J=f[o>>2]|0;f[J+(C<<2)>>2]=I;K=J}else{J=f[p>>2]|0;I=f[o>>2]|0;f[I+(C<<2)>>2]=(H|0)<(J|0)?J:H;K=I}C=C+1|0}while((C|0)<(f[g>>2]|0));L=K}else L=f[o>>2]|0;C=(f[D+(E<<2)>>2]|0)-(f[L+(E<<2)>>2]|0)|0;I=B+(E<<2)|0;f[I>>2]=C;if((C|0)>=(f[q>>2]|0)){if((C|0)>(f[s>>2]|0)){M=C-(f[r>>2]|0)|0;N=42}}else{M=(f[r>>2]|0)+C|0;N=42}if((N|0)==42){N=0;f[I>>2]=M}E=E+1|0;A=f[g>>2]|0;if((E|0)>=(A|0))break;else y=L}}}else N=16}else N=16;if((N|0)==16?(N=0,y=b+(z<<2)|0,A=c+(z<<2)|0,E=f[g>>2]|0,(E|0)>0):0){B=0;D=b+((X(x+-2|0,e)|0)<<2)|0;I=E;while(1){if((I|0)>0){E=0;do{C=f[D+(E<<2)>>2]|0;H=f[n>>2]|0;if((C|0)>(H|0)){J=f[o>>2]|0;f[J+(E<<2)>>2]=H;O=J}else{J=f[p>>2]|0;H=f[o>>2]|0;f[H+(E<<2)>>2]=(C|0)<(J|0)?J:C;O=H}E=E+1|0}while((E|0)<(f[g>>2]|0));P=O}else P=f[o>>2]|0;E=(f[y+(B<<2)>>2]|0)-(f[P+(B<<2)>>2]|0)|0;H=A+(B<<2)|0;f[H>>2]=E;if((E|0)>=(f[q>>2]|0)){if((E|0)>(f[s>>2]|0)){Q=E-(f[r>>2]|0)|0;N=29}}else{Q=(f[r>>2]|0)+E|0;N=29}if((N|0)==29){N=0;f[H>>2]=Q}B=B+1|0;I=f[g>>2]|0;if((B|0)>=(I|0))break;else D=P}}if((x|0)<=2)break a}mq(i)}while(0);if((e|0)>0)hj(h|0,0,e<<2|0)|0;e=f[g>>2]|0;if((e|0)<=0){$q(h);return 1}i=a+16|0;P=a+32|0;Q=a+12|0;O=a+28|0;L=a+20|0;M=a+24|0;a=0;K=h;G=e;while(1){if((G|0)>0){e=0;do{F=f[K+(e<<2)>>2]|0;d=f[i>>2]|0;if((F|0)>(d|0)){l=f[P>>2]|0;f[l+(e<<2)>>2]=d;R=l}else{l=f[Q>>2]|0;d=f[P>>2]|0;f[d+(e<<2)>>2]=(F|0)<(l|0)?l:F;R=d}e=e+1|0}while((e|0)<(f[g>>2]|0));S=R}else S=f[P>>2]|0;e=(f[b+(a<<2)>>2]|0)-(f[S+(a<<2)>>2]|0)|0;d=c+(a<<2)|0;f[d>>2]=e;if((e|0)>=(f[O>>2]|0)){if((e|0)>(f[M>>2]|0)){T=e-(f[L>>2]|0)|0;N=56}}else{T=(f[L>>2]|0)+e|0;N=56}if((N|0)==56){N=0;f[d>>2]=T}a=a+1|0;G=f[g>>2]|0;if((a|0)>=(G|0))break;else K=S}$q(h);return 1}function Cc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0;g=a+8|0;Ah(g,b,d,e);d=e>>>0>1073741823?-1:e<<2;h=_q(d)|0;hj(h|0,0,d|0)|0;d=f[a+48>>2]|0;i=f[a+56>>2]|0;j=f[i>>2]|0;k=(f[i+4>>2]|0)-j|0;l=k>>2;a:do if((k|0)>4){m=f[a+52>>2]|0;n=a+16|0;o=a+32|0;p=a+12|0;q=a+28|0;r=a+20|0;s=a+24|0;t=d+64|0;u=d+28|0;v=(e|0)>0;w=j;x=l;while(1){y=x;x=x+-1|0;if(l>>>0<=x>>>0)break;z=f[w+(x<<2)>>2]|0;A=X(x,e)|0;if((((z|0)!=-1?(f[(f[d>>2]|0)+(z>>>5<<2)>>2]&1<<(z&31)|0)==0:0)?(B=f[(f[(f[t>>2]|0)+12>>2]|0)+(z<<2)>>2]|0,(B|0)!=-1):0)?(z=f[u>>2]|0,C=f[m>>2]|0,D=f[C+(f[z+(B<<2)>>2]<<2)>>2]|0,E=B+1|0,F=f[C+(f[z+((((E>>>0)%3|0|0)==0?B+-2|0:E)<<2)>>2]<<2)>>2]|0,E=f[C+(f[z+((((B>>>0)%3|0|0)==0?2:-1)+B<<2)>>2]<<2)>>2]|0,(D|0)<(x|0)&(F|0)<(x|0)&(E|0)<(x|0)):0){B=X(D,e)|0;D=X(F,e)|0;F=X(E,e)|0;if(v){E=0;do{f[h+(E<<2)>>2]=(f[b+(E+F<<2)>>2]|0)+(f[b+(E+D<<2)>>2]|0)-(f[b+(E+B<<2)>>2]|0);E=E+1|0}while((E|0)!=(e|0))}E=b+(A<<2)|0;B=c+(A<<2)|0;D=f[g>>2]|0;if((D|0)>0){F=0;z=h;C=D;while(1){if((C|0)>0){D=0;do{G=f[z+(D<<2)>>2]|0;H=f[n>>2]|0;if((G|0)>(H|0)){I=f[o>>2]|0;f[I+(D<<2)>>2]=H;J=I}else{I=f[p>>2]|0;H=f[o>>2]|0;f[H+(D<<2)>>2]=(G|0)<(I|0)?I:G;J=H}D=D+1|0}while((D|0)<(f[g>>2]|0));K=J}else K=f[o>>2]|0;D=(f[E+(F<<2)>>2]|0)-(f[K+(F<<2)>>2]|0)|0;H=B+(F<<2)|0;f[H>>2]=D;if((D|0)>=(f[q>>2]|0)){if((D|0)>(f[s>>2]|0)){L=D-(f[r>>2]|0)|0;M=39}}else{L=(f[r>>2]|0)+D|0;M=39}if((M|0)==39){M=0;f[H>>2]=L}F=F+1|0;C=f[g>>2]|0;if((F|0)>=(C|0))break;else z=K}}}else M=13;if((M|0)==13?(M=0,z=b+(A<<2)|0,C=c+(A<<2)|0,F=f[g>>2]|0,(F|0)>0):0){B=0;E=b+((X(y+-2|0,e)|0)<<2)|0;H=F;while(1){if((H|0)>0){F=0;do{D=f[E+(F<<2)>>2]|0;G=f[n>>2]|0;if((D|0)>(G|0)){I=f[o>>2]|0;f[I+(F<<2)>>2]=G;N=I}else{I=f[p>>2]|0;G=f[o>>2]|0;f[G+(F<<2)>>2]=(D|0)<(I|0)?I:D;N=G}F=F+1|0}while((F|0)<(f[g>>2]|0));O=N}else O=f[o>>2]|0;F=(f[z+(B<<2)>>2]|0)-(f[O+(B<<2)>>2]|0)|0;G=C+(B<<2)|0;f[G>>2]=F;if((F|0)>=(f[q>>2]|0)){if((F|0)>(f[s>>2]|0)){P=F-(f[r>>2]|0)|0;M=26}}else{P=(f[r>>2]|0)+F|0;M=26}if((M|0)==26){M=0;f[G>>2]=P}B=B+1|0;H=f[g>>2]|0;if((B|0)>=(H|0))break;else E=O}}if((y|0)<=2)break a}mq(i)}while(0);if((e|0)>0)hj(h|0,0,e<<2|0)|0;e=f[g>>2]|0;if((e|0)<=0){$q(h);return 1}i=a+16|0;O=a+32|0;P=a+12|0;N=a+28|0;K=a+20|0;L=a+24|0;a=0;J=h;d=e;while(1){if((d|0)>0){e=0;do{l=f[J+(e<<2)>>2]|0;j=f[i>>2]|0;if((l|0)>(j|0)){k=f[O>>2]|0;f[k+(e<<2)>>2]=j;Q=k}else{k=f[P>>2]|0;j=f[O>>2]|0;f[j+(e<<2)>>2]=(l|0)<(k|0)?k:l;Q=j}e=e+1|0}while((e|0)<(f[g>>2]|0));R=Q}else R=f[O>>2]|0;e=(f[b+(a<<2)>>2]|0)-(f[R+(a<<2)>>2]|0)|0;j=c+(a<<2)|0;f[j>>2]=e;if((e|0)>=(f[N>>2]|0)){if((e|0)>(f[L>>2]|0)){S=e-(f[K>>2]|0)|0;M=53}}else{S=(f[K>>2]|0)+e|0;M=53}if((M|0)==53){M=0;f[j>>2]=S}a=a+1|0;d=f[g>>2]|0;if((a|0)>=(d|0))break;else J=R}$q(h);return 1}function Dc(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0;h=u;u=u+48|0;i=h+28|0;j=h+24|0;k=h;l=h+12|0;m=h+40|0;if((c|0)<0){n=0;u=h;return n|0}if(!c){n=1;u=h;return n|0}o=(d|0)>1;p=o?d:1;f[k>>2]=0;d=k+4|0;f[d>>2]=0;f[k+8>>2]=0;$j(k,c);q=k+8|0;if(o){o=0;r=0;while(1){s=1;t=f[a+(r<<2)>>2]|0;do{v=f[a+(s+r<<2)>>2]|0;t=t>>>0>>0?v:t;s=s+1|0}while((s|0)!=(p|0));s=(_(t|0)|0)^31;v=t>>>0>o>>>0?t:o;w=(t|0)==0?1:s+1|0;f[i>>2]=w;s=f[d>>2]|0;if(s>>>0<(f[q>>2]|0)>>>0){f[s>>2]=w;f[d>>2]=s+4}else Ci(k,i);r=r+p|0;if((r|0)>=(c|0)){x=v;break}else o=v}}else{o=0;r=0;while(1){v=f[a+(o<<2)>>2]|0;s=(_(v|0)|0)^31;w=v>>>0>r>>>0?v:r;y=(v|0)==0?1:s+1|0;f[i>>2]=y;s=f[d>>2]|0;if(s>>>0<(f[q>>2]|0)>>>0){f[s>>2]=y;f[d>>2]=s+4}else Ci(k,i);o=o+p|0;if((o|0)>=(c|0)){x=w;break}else r=w}}f[l>>2]=0;r=l+4|0;f[r>>2]=0;f[l+8>>2]=0;o=f[k>>2]|0;q=(f[d>>2]|0)-o|0;w=q>>2;if(w){if(w>>>0>1073741823)mq(l);s=dn(q)|0;f[r>>2]=s;f[l>>2]=s;f[l+8>>2]=s+(w<<2);w=s;if((q|0)>0){y=s+(q>>>2<<2)|0;Rg(s|0,o|0,q|0)|0;f[r>>2]=y;q=y-w>>2;if((y|0)==(s|0)){z=q;A=s;B=0;C=0}else{y=0;o=0;v=0;while(1){D=Tn(o|0,v|0,f[s+(y<<2)>>2]|0,0)|0;E=I;y=y+1|0;if(y>>>0>=q>>>0){z=q;A=s;B=D;C=E;break}else{o=D;v=E}}}}else{F=w;G=18}}else{F=0;G=18}if((G|0)==18){z=0;A=F;B=0;C=0}F=rg(A,z,32,i)|0;z=I;A=f[i>>2]<<3;w=Rn(A|0,((A|0)<0)<<31>>31|0,1)|0;A=I;v=on(B|0,C|0,p|0,0)|0;C=Tn(F|0,z|0,v|0,I|0)|0;v=Tn(C|0,I|0,w|0,A|0)|0;A=I;w=f[l>>2]|0;if(w|0){l=f[r>>2]|0;if((l|0)!=(w|0))f[r>>2]=l+(~((l+-4-w|0)>>>2)<<2);br(w)}w=rg(a,c,x,i)|0;l=f[i>>2]|0;r=((x-l|0)/64|0)+l<<3;C=l<<3;z=Tn(w|0,I|0,C|0,((C|0)<0)<<31>>31|0)|0;C=Tn(z|0,I|0,r|0,((r|0)<0)<<31>>31|0)|0;r=I;z=(_((x>>>0>1?x:1)|0)|0)^30;if(e){f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;w=dn(32)|0;f[i>>2]=w;f[i+8>>2]=-2147483616;f[i+4>>2]=22;F=w;B=13044;o=F+22|0;do{b[F>>0]=b[B>>0]|0;F=F+1|0;B=B+1|0}while((F|0)<(o|0));b[w+22>>0]=0;w=(sh(e,i)|0)==0;if((b[i+11>>0]|0)<0)br(f[i>>2]|0);if(!w){f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;w=dn(32)|0;f[i>>2]=w;f[i+8>>2]=-2147483616;f[i+4>>2]=22;F=w;B=13044;o=F+22|0;do{b[F>>0]=b[B>>0]|0;F=F+1|0;B=B+1|0}while((F|0)<(o|0));b[w+22>>0]=0;w=Ck(e,i)|0;if((b[i+11>>0]|0)<0)br(f[i>>2]|0);H=w}else G=32}else G=32;if((G|0)==32)H=z>>>0<18&((A|0)>(r|0)|(A|0)==(r|0)&v>>>0>=C>>>0)&1;b[m>>0]=H;C=g+16|0;v=f[C+4>>2]|0;if(!((v|0)>0|(v|0)==0&(f[C>>2]|0)>>>0>0)){f[j>>2]=f[g+4>>2];f[i>>2]=f[j>>2];ye(g,i,m,m+1|0)|0}switch(H|0){case 0:{J=md(a,c,p,k,g)|0;break}case 1:{J=Nc(a,c,x,l,e,g)|0;break}default:J=0}g=f[k>>2]|0;if(g|0){k=f[d>>2]|0;if((k|0)!=(g|0))f[d>>2]=k+(~((k+-4-g|0)>>>2)<<2);br(g)}n=J;u=h;return n|0}function Ec(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;if((b|0)<0)return;c=a+12|0;d=f[c>>2]|0;e=f[a+8>>2]|0;g=e;h=d;if(d-e>>2>>>0<=b>>>0)return;e=g+(b<<2)|0;d=f[(f[e>>2]|0)+56>>2]|0;i=f[(f[g+(b<<2)>>2]|0)+60>>2]|0;g=e+4|0;if((g|0)!=(h|0)){j=g;g=e;do{k=f[j>>2]|0;f[j>>2]=0;l=f[g>>2]|0;f[g>>2]=k;if(l|0){k=l+88|0;m=f[k>>2]|0;f[k>>2]=0;if(m|0){k=f[m+8>>2]|0;if(k|0){n=m+12|0;if((f[n>>2]|0)!=(k|0))f[n>>2]=k;br(k)}br(m)}m=f[l+68>>2]|0;if(m|0){k=l+72|0;n=f[k>>2]|0;if((n|0)!=(m|0))f[k>>2]=n+(~((n+-4-m|0)>>>2)<<2);br(m)}m=l+64|0;n=f[m>>2]|0;f[m>>2]=0;if(n|0){m=f[n>>2]|0;if(m|0){k=n+4|0;if((f[k>>2]|0)!=(m|0))f[k>>2]=m;br(m)}br(n)}br(l)}j=j+4|0;g=g+4|0}while((j|0)!=(h|0));j=f[c>>2]|0;if((j|0)!=(g|0)){o=g;p=j;q=24}}else{o=e;p=h;q=24}if((q|0)==24){q=p;do{p=q+-4|0;f[c>>2]=p;h=f[p>>2]|0;f[p>>2]=0;if(h|0){p=h+88|0;e=f[p>>2]|0;f[p>>2]=0;if(e|0){p=f[e+8>>2]|0;if(p|0){j=e+12|0;if((f[j>>2]|0)!=(p|0))f[j>>2]=p;br(p)}br(e)}e=f[h+68>>2]|0;if(e|0){p=h+72|0;j=f[p>>2]|0;if((j|0)!=(e|0))f[p>>2]=j+(~((j+-4-e|0)>>>2)<<2);br(e)}e=h+64|0;j=f[e>>2]|0;f[e>>2]=0;if(j|0){e=f[j>>2]|0;if(e|0){p=j+4|0;if((f[p>>2]|0)!=(e|0))f[p>>2]=e;br(e)}br(j)}br(h)}q=f[c>>2]|0}while((q|0)!=(o|0))}o=f[a+4>>2]|0;a:do if(o|0){q=o+44|0;c=f[q>>2]|0;h=f[o+40>>2]|0;while(1){if((h|0)==(c|0))break a;r=h+4|0;if((f[(f[h>>2]|0)+40>>2]|0)==(i|0))break;else h=r}if((r|0)!=(c|0)){j=r;e=h;do{p=f[j>>2]|0;f[j>>2]=0;g=f[e>>2]|0;f[e>>2]=p;if(g|0){Qi(g);br(g)}j=j+4|0;e=e+4|0}while((j|0)!=(c|0));j=f[q>>2]|0;if((j|0)==(e|0))break;else{s=e;t=j}}else{s=h;t=c}j=t;do{g=j+-4|0;f[q>>2]=g;p=f[g>>2]|0;f[g>>2]=0;if(p|0){Qi(p);br(p)}j=f[q>>2]|0}while((j|0)!=(s|0))}while(0);b:do if((d|0)<5){s=f[a+20+(d*12|0)>>2]|0;t=a+20+(d*12|0)+4|0;r=f[t>>2]|0;i=r;c:do if((s|0)==(r|0))u=s;else{o=s;while(1){if((f[o>>2]|0)==(b|0)){u=o;break c}o=o+4|0;if((o|0)==(r|0))break b}}while(0);if((u|0)!=(r|0)){s=u+4|0;o=i-s|0;j=o>>2;if(!j)v=r;else{Xl(u|0,s|0,o|0)|0;v=f[t>>2]|0}o=u+(j<<2)|0;if((v|0)!=(o|0))f[t>>2]=v+(~((v+-4-o|0)>>>2)<<2)}}while(0);v=f[a+24>>2]|0;u=f[a+20>>2]|0;d=u;if((v|0)!=(u|0)){o=v-u>>2;u=0;do{v=d+(u<<2)|0;j=f[v>>2]|0;if((j|0)>(b|0))f[v>>2]=j+-1;u=u+1|0}while(u>>>0>>0)}o=f[a+36>>2]|0;u=f[a+32>>2]|0;d=u;if((o|0)!=(u|0)){j=o-u>>2;u=0;do{o=d+(u<<2)|0;v=f[o>>2]|0;if((v|0)>(b|0))f[o>>2]=v+-1;u=u+1|0}while(u>>>0>>0)}j=f[a+48>>2]|0;u=f[a+44>>2]|0;d=u;if((j|0)!=(u|0)){v=j-u>>2;u=0;do{j=d+(u<<2)|0;o=f[j>>2]|0;if((o|0)>(b|0))f[j>>2]=o+-1;u=u+1|0}while(u>>>0>>0)}v=f[a+60>>2]|0;u=f[a+56>>2]|0;d=u;if((v|0)!=(u|0)){o=v-u>>2;u=0;do{v=d+(u<<2)|0;j=f[v>>2]|0;if((j|0)>(b|0))f[v>>2]=j+-1;u=u+1|0}while(u>>>0>>0)}o=f[a+72>>2]|0;u=f[a+68>>2]|0;a=u;if((o|0)==(u|0))return;d=o-u>>2;u=0;do{o=a+(u<<2)|0;j=f[o>>2]|0;if((j|0)>(b|0))f[o>>2]=j+-1;u=u+1|0}while(u>>>0>>0);return}function Fc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;d=u;u=u+32|0;e=d+16|0;g=d;h=c+4|0;i=f[(f[h>>2]|0)+48>>2]|0;j=c+12|0;c=f[j>>2]|0;k=dn(32)|0;f[e>>2]=k;f[e+8>>2]=-2147483616;f[e+4>>2]=17;l=k;m=12932;n=l+17|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[k+17>>0]=0;k=i+16|0;o=f[k>>2]|0;if(o){p=k;q=o;a:while(1){o=q;while(1){if((f[o+16>>2]|0)>=(c|0))break;r=f[o+4>>2]|0;if(!r){s=p;break a}else o=r}q=f[o>>2]|0;if(!q){s=o;break}else p=o}if(((s|0)!=(k|0)?(c|0)>=(f[s+16>>2]|0):0)?(c=s+20|0,(sh(c,e)|0)!=0):0)t=yk(c,e,-1)|0;else v=10}else v=10;if((v|0)==10)t=yk(i,e,-1)|0;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);i=(1<>2]=-1;f[e+4>>2]=-1;f[e+8>>2]=-1;f[e+12>>2]=-1;if(i&1|0?(t=(_(i|0)|0)^31,(t+-1|0)>>>0<=28):0){f[e>>2]=t+1;i=2<>2]=i+-1;t=i+-2|0;f[e+8>>2]=t;f[e+12>>2]=(t|0)/2|0}t=Ki(f[j>>2]|0,f[h>>2]|0)|0;i=f[(f[h>>2]|0)+48>>2]|0;c=f[j>>2]|0;s=dn(32)|0;f[g>>2]=s;f[g+8>>2]=-2147483616;f[g+4>>2]=17;l=s;m=12804;n=l+17|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[s+17>>0]=0;s=i+16|0;m=f[s>>2]|0;if(m){l=s;n=m;b:while(1){m=n;while(1){if((f[m+16>>2]|0)>=(c|0))break;k=f[m+4>>2]|0;if(!k){w=l;break b}else m=k}n=f[m>>2]|0;if(!n){w=m;break}else l=m}if(((w|0)!=(s|0)?(c|0)>=(f[w+16>>2]|0):0)?(c=w+20|0,(sh(c,g)|0)!=0):0)x=yk(c,g,t)|0;else v=25}else v=25;if((v|0)==25)x=yk(i,g,t)|0;if((b[g+11>>0]|0)<0)br(f[g>>2]|0);switch(x|0){case 6:{x=f[j>>2]|0;t=f[h>>2]|0;i=f[(f[(f[t+4>>2]|0)+8>>2]|0)+(x<<2)>>2]|0;do if((Qa[f[(f[t>>2]|0)+8>>2]&127](t)|0)==1){rf(g,t,6,x,e,514);c=f[g>>2]|0;if(!c){f[g>>2]=0;y=g;v=34;break}else{z=g;A=c;break}}else{y=g;v=34}while(0);if((v|0)==34){x=dn(24)|0;f[x+4>>2]=i;i=x+8|0;f[i>>2]=f[e>>2];f[i+4>>2]=f[e+4>>2];f[i+8>>2]=f[e+8>>2];f[i+12>>2]=f[e+12>>2];f[x>>2]=2320;i=x;f[g>>2]=i;z=y;A=i}f[a>>2]=A;f[z>>2]=0;u=d;return}case 0:{z=f[j>>2]|0;j=f[h>>2]|0;h=f[(f[(f[j+4>>2]|0)+8>>2]|0)+(z<<2)>>2]|0;do if((Qa[f[(f[j>>2]|0)+8>>2]&127](j)|0)==1){rf(g,j,0,z,e,514);A=f[g>>2]|0;if(!A){f[g>>2]=0;B=g;v=41;break}else{C=g;D=A;break}}else{B=g;v=41}while(0);if((v|0)==41){v=dn(24)|0;f[v+4>>2]=h;h=v+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[v>>2]=2320;e=v;f[g>>2]=e;C=B;D=e}f[a>>2]=D;f[C>>2]=0;u=d;return}default:{f[a>>2]=0;u=d;return}}}function Gc(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0;b=u;u=u+32|0;c=b+20|0;d=b+8|0;e=b;g=a+4|0;h=f[g>>2]|0;i=f[a>>2]|0;j=h-i|0;k=j>>2;f[c>>2]=0;l=c+4|0;f[l>>2]=0;m=c+8|0;f[m>>2]=0;n=i;if(k|0){if((j|0)<0)mq(c);j=((k+-1|0)>>>5)+1|0;o=dn(j<<2)|0;f[c>>2]=o;f[m>>2]=j;f[l>>2]=k;l=k>>>5;hj(o|0,0,l<<2|0)|0;j=k&31;k=o+(l<<2)|0;if(j|0)f[k>>2]=f[k>>2]&~(-1>>>(32-j|0))}f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;k=a+12|0;l=e+4|0;o=d+8|0;m=n;n=h;h=i;while(1){if((n|0)==(h|0))break;else{p=0;q=0;r=h;s=m}while(1){i=f[c>>2]|0;do if(!(f[i+(q>>>5<<2)>>2]&1<<(q&31))){t=f[d>>2]|0;v=f[j>>2]|0;if((v|0)==(t|0))w=t;else{x=v+(~((v+-8-t|0)>>>3)<<3)|0;f[j>>2]=x;w=x}x=q;while(1){v=x+1|0;y=((v>>>0)%3|0|0)==0?x+-2|0:v;if((y|0)==-1){z=x;A=r;B=i;C=s;D=t;E=w;break}v=f[(f[k>>2]|0)+(y<<2)>>2]|0;y=v+1|0;if((v|0)==-1){z=x;A=r;B=i;C=s;D=t;E=w;break}F=((y>>>0)%3|0|0)==0?v+-2|0:y;if(!((F|0)!=(q|0)&(F|0)!=-1)){z=x;A=r;B=i;C=s;D=t;E=w;break}if(!(f[i+(F>>>5<<2)>>2]&1<<(F&31)))x=F;else{z=x;A=r;B=i;C=s;D=t;E=w;break}}a:while(1){t=B+(z>>>5<<2)|0;f[t>>2]=f[t>>2]|1<<(z&31);t=z+1|0;F=((t>>>0)%3|0|0)==0?z+-2|0:t;t=f[C+(F<<2)>>2]|0;G=(((z>>>0)%3|0|0)==0?2:-1)+z|0;if((D|0)!=(E|0))if((G|0)==-1){y=D;do{if((f[y>>2]|0)==(t|0)?(v=f[y+4>>2]|0,(v|0)!=-1):0){H=v;I=-1;J=-1;K=25;break a}y=y+8|0}while((y|0)!=(E|0))}else{y=D;do{if((f[y>>2]|0)==(t|0)?(L=f[y+4>>2]|0,M=f[(f[k>>2]|0)+(G<<2)>>2]|0,(M|0)!=(L|0)):0){K=24;break a}y=y+8|0}while((y|0)!=(E|0))}f[e>>2]=0;f[e>>2]=f[C+(G<<2)>>2];f[l>>2]=F;if((E|0)==(f[o>>2]|0))ei(d,e);else{y=e;t=f[y+4>>2]|0;v=E;f[v>>2]=f[y>>2];f[v+4>>2]=t;f[j>>2]=(f[j>>2]|0)+8}if((G|0)==-1){K=38;break}t=f[(f[k>>2]|0)+(G<<2)>>2]|0;if((t|0)==-1){K=38;break}v=t+(((t>>>0)%3|0|0)==0?2:-1)|0;if(!((v|0)!=(x|0)&(v|0)!=-1)){K=40;break}t=f[a>>2]|0;z=v;A=t;B=f[c>>2]|0;C=t;D=f[d>>2]|0;E=f[j>>2]|0}if((K|0)==24){K=0;if((L|0)==-1){N=-1;O=-1;P=M;Q=G}else{H=L;I=M;J=G;K=25}}else if((K|0)==38){K=0;K=40}if((K|0)==25){K=0;N=H;O=f[(f[k>>2]|0)+(H<<2)>>2]|0;P=I;Q=J}else if((K|0)==40){K=0;R=p;S=f[a>>2]|0;break}if((P|0)!=-1)f[(f[k>>2]|0)+(P<<2)>>2]=-1;x=f[k>>2]|0;if((O|0)!=-1)f[x+(O<<2)>>2]=-1;f[x+(Q<<2)>>2]=-1;f[x+(N<<2)>>2]=-1;R=1;S=A}else{R=p;S=r}while(0);q=q+1|0;T=f[g>>2]|0;s=S;if(q>>>0>=T-S>>2>>>0)break;else{p=R;r=S}}if(R){m=s;n=T;h=S}else break}S=f[d>>2]|0;if(S|0){d=f[j>>2]|0;if((d|0)!=(S|0))f[j>>2]=d+(~((d+-8-S|0)>>>3)<<3);br(S)}S=f[c>>2]|0;if(!S){u=b;return 1}br(S);u=b;return 1}function Hc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;e=a+8|0;a:do if(f[e>>2]|0?(g=f[a>>2]|0,h=a+4|0,f[a>>2]=h,f[(f[h>>2]|0)+8>>2]=0,f[h>>2]=0,f[e>>2]=0,i=f[g+4>>2]|0,j=(i|0)==0?g:i,j|0):0){i=a+4|0;g=j;j=f[c>>2]|0;while(1){if((j|0)==(f[d>>2]|0))break;k=g+16|0;Ql(k,j+16|0)|0;Ql(g+28|0,j+28|0)|0;l=g+8|0;m=f[l>>2]|0;do if(m){n=f[m>>2]|0;if((n|0)==(g|0)){f[m>>2]=0;o=f[m+4>>2]|0;if(!o){p=m;break}else q=o;while(1){o=f[q>>2]|0;if(o|0){q=o;continue}o=f[q+4>>2]|0;if(!o)break;else q=o}p=q;break}else{f[m+4>>2]=0;if(!n){p=m;break}else r=n;while(1){o=f[r>>2]|0;if(o|0){r=o;continue}o=f[r+4>>2]|0;if(!o)break;else r=o}p=r;break}}else p=0;while(0);m=f[h>>2]|0;do if(m){n=b[k+11>>0]|0;o=n<<24>>24<0;s=o?f[g+20>>2]|0:n&255;n=o?f[k>>2]|0:k;o=m;while(1){t=o+16|0;u=b[t+11>>0]|0;v=u<<24>>24<0;w=v?f[o+20>>2]|0:u&255;u=w>>>0>>0?w:s;if((u|0)!=0?(x=Pk(n,v?f[t>>2]|0:t,u)|0,(x|0)!=0):0)if((x|0)<0)y=22;else y=24;else if(s>>>0>>0)y=22;else y=24;if((y|0)==22){y=0;w=f[o>>2]|0;if(!w){y=23;break}else z=w}else if((y|0)==24){y=0;A=o+4|0;w=f[A>>2]|0;if(!w){y=26;break}else z=w}o=z}if((y|0)==23){y=0;B=o;C=o;break}else if((y|0)==26){y=0;B=A;C=o;break}}else{B=h;C=h}while(0);f[g>>2]=0;f[g+4>>2]=0;f[l>>2]=C;f[B>>2]=g;m=f[f[a>>2]>>2]|0;if(!m)D=g;else{f[a>>2]=m;D=f[B>>2]|0}Ae(f[i>>2]|0,D);f[e>>2]=(f[e>>2]|0)+1;m=f[j+4>>2]|0;if(!m){k=j+8|0;s=f[k>>2]|0;if((f[s>>2]|0)==(j|0))E=s;else{s=k;do{k=f[s>>2]|0;s=k+8|0;n=f[s>>2]|0}while((f[n>>2]|0)!=(k|0));E=n}}else{s=m;while(1){l=f[s>>2]|0;if(!l)break;else s=l}E=s}f[c>>2]=E;if(!p)break a;else{g=p;j=E}}j=f[g+8>>2]|0;if(!j)F=g;else{i=j;while(1){j=f[i+8>>2]|0;if(!j)break;else i=j}F=i}sj(a,F)}while(0);F=f[c>>2]|0;E=f[d>>2]|0;if((F|0)==(E|0))return;else G=F;while(1){Qe(a,G+16|0)|0;F=f[G+4>>2]|0;if(!F){d=G+8|0;p=f[d>>2]|0;if((f[p>>2]|0)==(G|0))H=p;else{p=d;do{d=f[p>>2]|0;p=d+8|0;e=f[p>>2]|0}while((f[e>>2]|0)!=(d|0));H=e}}else{p=F;while(1){i=f[p>>2]|0;if(!i)break;else p=i}H=p}f[c>>2]=H;if((H|0)==(E|0))break;else G=H}return}function Ic(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0;g=u;u=u+16|0;h=g;i=c+4|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;j=dn(16)|0;f[h>>2]=j;f[h+8>>2]=-2147483632;f[h+4>>2]=15;k=j;l=12916;m=k+15|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[j+15>>0]=0;j=yk(i,h,-1)|0;if((b[h+11>>0]|0)<0)br(f[h>>2]|0);switch(j|0){case 0:{n=dn(56)|0;k=n;m=k+56|0;do{f[k>>2]=0;k=k+4|0}while((k|0)<(m|0));zn(n);o=3728;p=n;break}case -1:{if((Yh(i)|0)==10){n=dn(56)|0;k=n;m=k+56|0;do{f[k>>2]=0;k=k+4|0}while((k|0)<(m|0));zn(n);o=3728;p=n}else q=6;break}default:q=6}a:do if((q|0)==6){n=d+8|0;r=d+12|0;s=f[r>>2]|0;t=f[n>>2]|0;b:do if((s-t|0)>0){v=h+8|0;w=h+4|0;x=c+20|0;y=h+11|0;z=0;A=t;B=s;c:while(1){C=f[(f[A+(z<<2)>>2]|0)+28>>2]|0;switch(C|0){case 9:{q=12;break}case 6:case 5:case 4:case 2:{D=A;E=B;break}default:{if((C|2|0)!=3)break c;if((C|0)==9)q=12;else{D=A;E=B}}}if((q|0)==12){q=0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;C=dn(32)|0;f[h>>2]=C;f[v>>2]=-2147483616;f[w>>2]=17;k=C;l=12932;m=k+17|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[C+17>>0]=0;F=f[x>>2]|0;if(F){G=x;H=F;d:while(1){F=H;while(1){if((f[F+16>>2]|0)>=0)break;I=f[F+4>>2]|0;if(!I){J=G;break d}else F=I}H=f[F>>2]|0;if(!H){J=F;break}else G=F}if(((J|0)!=(x|0)?(f[J+16>>2]|0)<=0:0)?(G=J+20|0,(sh(G,h)|0)!=0):0)K=yk(G,h,-1)|0;else q=21}else q=21;if((q|0)==21){q=0;K=yk(i,h,-1)|0}if((b[y>>0]|0)<0)br(f[h>>2]|0);if((K|0)<1)break;D=f[n>>2]|0;E=f[r>>2]|0}z=z+1|0;if((z|0)>=(E-D>>2|0))break b;else{A=D;B=E}}if((j|0)!=1){B=dn(56)|0;k=B;m=k+56|0;do{f[k>>2]=0;k=k+4|0}while((k|0)<(m|0));zn(B);o=3728;p=B;break a}f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;A=dn(32)|0;f[h>>2]=A;f[h+8>>2]=-2147483616;f[h+4>>2]=24;k=A;l=12950;m=k+24|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[A+24>>0]=0;f[a>>2]=-1;dj(a+4|0,h);if((b[h+11>>0]|0)<0)br(f[h>>2]|0);u=g;return}while(0);r=dn(56)|0;k=r;m=k+56|0;do{f[k>>2]=0;k=k+4|0}while((k|0)<(m|0));zn(r);o=3668;p=r}while(0);f[p>>2]=o;tp(p,d);Ad(a,p,i,e);if(!(f[a>>2]|0)){e=a+4|0;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);f[c+40>>2]=f[p+52>>2];f[c+44>>2]=0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0}Va[f[(f[p>>2]|0)+4>>2]&127](p);u=g;return}function Jc(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;b=u;u=u+32|0;c=b+4|0;d=b;e=a+16|0;g=f[e>>2]|0;if(g>>>0>112){f[e>>2]=g+-113;g=a+4|0;e=f[g>>2]|0;h=f[e>>2]|0;i=e+4|0;f[g>>2]=i;e=a+8|0;j=f[e>>2]|0;k=a+12|0;l=f[k>>2]|0;m=l;do if((j|0)==(l|0)){n=f[a>>2]|0;o=n;if(i>>>0>n>>>0){p=i;q=((p-o>>2)+1|0)/-2|0;r=i+(q<<2)|0;s=j-p|0;p=s>>2;if(!p)t=i;else{Xl(r|0,i|0,s|0)|0;t=f[g>>2]|0}s=r+(p<<2)|0;f[e>>2]=s;f[g>>2]=t+(q<<2);v=s;break}s=m-o>>1;o=(s|0)==0?1:s;if(o>>>0>1073741823){s=ra(8)|0;Wo(s,14941);f[s>>2]=6944;va(s|0,1080,114)}s=dn(o<<2)|0;q=s;p=s+(o>>>2<<2)|0;r=p;w=s+(o<<2)|0;if((i|0)==(j|0)){x=r;y=n}else{n=p;p=r;o=i;do{f[n>>2]=f[o>>2];n=p+4|0;p=n;o=o+4|0}while((o|0)!=(j|0));x=p;y=f[a>>2]|0}f[a>>2]=q;f[g>>2]=r;f[e>>2]=x;f[k>>2]=w;if(!y)v=x;else{br(y);v=f[e>>2]|0}}else v=j;while(0);f[v>>2]=h;f[e>>2]=(f[e>>2]|0)+4;u=b;return}e=a+8|0;h=f[e>>2]|0;v=a+4|0;j=h-(f[v>>2]|0)|0;y=a+12|0;x=f[y>>2]|0;k=x-(f[a>>2]|0)|0;if(j>>>0>=k>>>0){g=k>>1;k=(g|0)==0?1:g;f[c+12>>2]=0;f[c+16>>2]=a+12;if(k>>>0>1073741823){g=ra(8)|0;Wo(g,14941);f[g>>2]=6944;va(g|0,1080,114)}g=dn(k<<2)|0;f[c>>2]=g;i=g+(j>>2<<2)|0;j=c+8|0;f[j>>2]=i;m=c+4|0;f[m>>2]=i;i=c+12|0;f[i>>2]=g+(k<<2);k=dn(4068)|0;f[d>>2]=k;kg(c,d);d=f[e>>2]|0;while(1){z=f[v>>2]|0;if((d|0)==(z|0))break;k=d+-4|0;dg(c,k);d=k}k=z;z=f[a>>2]|0;f[a>>2]=f[c>>2];f[c>>2]=z;f[v>>2]=f[m>>2];f[m>>2]=k;m=f[e>>2]|0;f[e>>2]=f[j>>2];f[j>>2]=m;g=f[y>>2]|0;f[y>>2]=f[i>>2];f[i>>2]=g;g=m;if((d|0)!=(g|0))f[j>>2]=g+(~((g+-4-k|0)>>>2)<<2);if(z|0)br(z);u=b;return}if((x|0)!=(h|0)){h=dn(4068)|0;f[c>>2]=h;kg(a,c);u=b;return}h=dn(4068)|0;f[c>>2]=h;dg(a,c);c=f[v>>2]|0;h=f[c>>2]|0;x=c+4|0;f[v>>2]=x;c=f[e>>2]|0;z=f[y>>2]|0;k=z;do if((c|0)==(z|0)){g=f[a>>2]|0;j=g;if(x>>>0>g>>>0){d=x;m=((d-j>>2)+1|0)/-2|0;i=x+(m<<2)|0;t=c-d|0;d=t>>2;if(!d)A=x;else{Xl(i|0,x|0,t|0)|0;A=f[v>>2]|0}t=i+(d<<2)|0;f[e>>2]=t;f[v>>2]=A+(m<<2);B=t;break}t=k-j>>1;j=(t|0)==0?1:t;if(j>>>0>1073741823){t=ra(8)|0;Wo(t,14941);f[t>>2]=6944;va(t|0,1080,114)}t=dn(j<<2)|0;m=t;d=t+(j>>>2<<2)|0;i=d;l=t+(j<<2)|0;if((x|0)==(c|0)){C=i;D=g}else{g=d;d=i;j=x;do{f[g>>2]=f[j>>2];g=d+4|0;d=g;j=j+4|0}while((j|0)!=(c|0));C=d;D=f[a>>2]|0}f[a>>2]=m;f[v>>2]=i;f[e>>2]=C;f[y>>2]=l;if(!D)B=C;else{br(D);B=f[e>>2]|0}}else B=c;while(0);f[B>>2]=h;f[e>>2]=(f[e>>2]|0)+4;u=b;return}function Kc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0;e=u;u=u+16|0;g=e+8|0;h=e+4|0;i=e;j=a+64|0;k=f[j>>2]|0;if((f[k+28>>2]|0)==(f[k+24>>2]|0)){u=e;return}l=c+96|0;c=a+52|0;m=d+84|0;n=d+68|0;d=a+56|0;o=a+60|0;p=a+12|0;q=a+28|0;r=a+40|0;s=a+44|0;t=a+48|0;v=0;w=0;x=k;while(1){k=f[(f[x+24>>2]|0)+(w<<2)>>2]|0;if((k|0)==-1){y=v;z=x}else{A=v+1|0;B=f[(f[l>>2]|0)+(((k|0)/3|0)*12|0)+(((k|0)%3|0)<<2)>>2]|0;if(!(b[m>>0]|0))C=f[(f[n>>2]|0)+(B<<2)>>2]|0;else C=B;f[g>>2]=C;B=f[d>>2]|0;if(B>>>0<(f[o>>2]|0)>>>0){f[B>>2]=C;f[d>>2]=B+4}else Ci(c,g);f[g>>2]=k;f[h>>2]=0;a:do if(!(f[(f[p>>2]|0)+(w>>>5<<2)>>2]&1<<(w&31)))D=k;else{B=k+1|0;E=((B>>>0)%3|0|0)==0?k+-2|0:B;if(((E|0)!=-1?(f[(f[a>>2]|0)+(E>>>5<<2)>>2]&1<<(E&31)|0)==0:0)?(B=f[(f[(f[j>>2]|0)+12>>2]|0)+(E<<2)>>2]|0,E=B+1|0,(B|0)!=-1):0){F=((E>>>0)%3|0|0)==0?B+-2|0:E;f[h>>2]=F;if((F|0)==-1){D=k;break}else G=F;while(1){f[g>>2]=G;F=G+1|0;E=((F>>>0)%3|0|0)==0?G+-2|0:F;if((E|0)==-1)break;if(f[(f[a>>2]|0)+(E>>>5<<2)>>2]&1<<(E&31)|0)break;F=f[(f[(f[j>>2]|0)+12>>2]|0)+(E<<2)>>2]|0;E=F+1|0;if((F|0)==-1)break;B=((E>>>0)%3|0|0)==0?F+-2|0:E;f[h>>2]=B;if((B|0)==-1){D=G;break a}else G=B}f[h>>2]=-1;D=G;break}f[h>>2]=-1;D=k}while(0);f[(f[q>>2]|0)+(D<<2)>>2]=v;k=f[s>>2]|0;if((k|0)==(f[t>>2]|0))Ci(r,g);else{f[k>>2]=f[g>>2];f[s>>2]=k+4}k=f[j>>2]|0;B=f[g>>2]|0;b:do if(((B|0)!=-1?(E=(((B>>>0)%3|0|0)==0?2:-1)+B|0,(E|0)!=-1):0)?(F=f[(f[k+12>>2]|0)+(E<<2)>>2]|0,(F|0)!=-1):0){E=F+(((F>>>0)%3|0|0)==0?2:-1)|0;f[h>>2]=E;if((E|0)!=-1&(E|0)!=(B|0)){F=A;H=v;I=E;while(1){E=I+1|0;J=((E>>>0)%3|0|0)==0?I+-2|0:E;do if(f[(f[a>>2]|0)+(J>>>5<<2)>>2]&1<<(J&31)){E=F+1|0;K=f[(f[l>>2]|0)+(((I|0)/3|0)*12|0)+(((I|0)%3|0)<<2)>>2]|0;if(!(b[m>>0]|0))L=f[(f[n>>2]|0)+(K<<2)>>2]|0;else L=K;f[i>>2]=L;K=f[d>>2]|0;if(K>>>0<(f[o>>2]|0)>>>0){f[K>>2]=L;f[d>>2]=K+4}else Ci(c,i);K=f[s>>2]|0;if((K|0)==(f[t>>2]|0)){Ci(r,h);M=E;N=F;break}else{f[K>>2]=f[h>>2];f[s>>2]=K+4;M=E;N=F;break}}else{M=F;N=H}while(0);f[(f[q>>2]|0)+(f[h>>2]<<2)>>2]=N;O=f[j>>2]|0;J=f[h>>2]|0;if((J|0)==-1)break;E=(((J>>>0)%3|0|0)==0?2:-1)+J|0;if((E|0)==-1)break;J=f[(f[O+12>>2]|0)+(E<<2)>>2]|0;if((J|0)==-1)break;I=J+(((J>>>0)%3|0|0)==0?2:-1)|0;f[h>>2]=I;if(!((I|0)!=-1?(I|0)!=(f[g>>2]|0):0)){P=M;Q=O;break b}else{F=M;H=N}}f[h>>2]=-1;P=M;Q=O}else{P=A;Q=k}}else R=28;while(0);if((R|0)==28){R=0;f[h>>2]=-1;P=A;Q=k}y=P;z=Q}w=w+1|0;if(w>>>0>=(f[z+28>>2]|0)-(f[z+24>>2]|0)>>2>>>0)break;else{v=y;x=z}}u=e;return}function Lc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0.0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,D=0,E=0,F=0;switch(c|0){case 0:{e=-149;g=24;i=4;break}case 1:{e=-1074;g=53;i=4;break}case 2:{e=-1074;g=53;i=4;break}default:j=0.0}a:do if((i|0)==4){c=a+4|0;k=a+100|0;do{l=f[c>>2]|0;if(l>>>0<(f[k>>2]|0)>>>0){f[c>>2]=l+1;m=h[l>>0]|0}else m=Di(a)|0}while((tq(m)|0)!=0);b:do switch(m|0){case 43:case 45:{l=1-(((m|0)==45&1)<<1)|0;n=f[c>>2]|0;if(n>>>0<(f[k>>2]|0)>>>0){f[c>>2]=n+1;o=h[n>>0]|0;p=l;break b}else{o=Di(a)|0;p=l;break b}break}default:{o=m;p=1}}while(0);l=0;n=o;while(1){if((n|32|0)!=(b[17452+l>>0]|0)){q=l;r=n;break}do if(l>>>0<7){s=f[c>>2]|0;if(s>>>0<(f[k>>2]|0)>>>0){f[c>>2]=s+1;t=h[s>>0]|0;break}else{t=Di(a)|0;break}}else t=n;while(0);s=l+1|0;if(s>>>0<8){l=s;n=t}else{q=s;r=t;break}}c:do switch(q|0){case 8:break;case 3:{i=23;break}default:{n=(d|0)!=0;if(n&q>>>0>3)if((q|0)==8)break c;else{i=23;break c}d:do if(!q){l=0;s=r;while(1){if((s|32|0)!=(b[17461+l>>0]|0)){u=l;v=s;break d}do if(l>>>0<2){w=f[c>>2]|0;if(w>>>0<(f[k>>2]|0)>>>0){f[c>>2]=w+1;x=h[w>>0]|0;break}else{x=Di(a)|0;break}}else x=s;while(0);w=l+1|0;if(w>>>0<3){l=w;s=x}else{u=w;v=x;break}}}else{u=q;v=r}while(0);switch(u|0){case 3:{s=f[c>>2]|0;if(s>>>0<(f[k>>2]|0)>>>0){f[c>>2]=s+1;y=h[s>>0]|0}else y=Di(a)|0;if((y|0)==40)z=1;else{if(!(f[k>>2]|0)){j=B;break a}f[c>>2]=(f[c>>2]|0)+-1;j=B;break a}while(1){s=f[c>>2]|0;if(s>>>0<(f[k>>2]|0)>>>0){f[c>>2]=s+1;A=h[s>>0]|0}else A=Di(a)|0;if(!((A+-48|0)>>>0<10|(A+-65|0)>>>0<26)?!((A|0)==95|(A+-97|0)>>>0<26):0)break;z=z+1|0}if((A|0)==41){j=B;break a}s=(f[k>>2]|0)==0;if(!s)f[c>>2]=(f[c>>2]|0)+-1;if(!n){l=ir()|0;f[l>>2]=22;Rm(a,0);j=0.0;break a}if(!z){j=B;break a}else D=z;while(1){D=D+-1|0;if(!s)f[c>>2]=(f[c>>2]|0)+-1;if(!D){j=B;break a}}break}case 0:{if((v|0)==48){s=f[c>>2]|0;if(s>>>0<(f[k>>2]|0)>>>0){f[c>>2]=s+1;E=h[s>>0]|0}else E=Di(a)|0;if((E|32|0)==120){j=+yc(a,g,e,p,d);break a}if(!(f[k>>2]|0))F=48;else{f[c>>2]=(f[c>>2]|0)+-1;F=48}}else F=v;j=+ob(a,F,g,e,p,d);break a;break}default:{if(f[k>>2]|0)f[c>>2]=(f[c>>2]|0)+-1;s=ir()|0;f[s>>2]=22;Rm(a,0);j=0.0;break a}}}}while(0);if((i|0)==23){s=(f[k>>2]|0)==0;if(!s)f[c>>2]=(f[c>>2]|0)+-1;if((d|0)!=0&q>>>0>3){n=q;do{if(!s)f[c>>2]=(f[c>>2]|0)+-1;n=n+-1|0}while(n>>>0>3)}}j=+$($(p|0)*$(C))}while(0);return +j}function Mc(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0;b=u;u=u+16|0;c=b+4|0;d=b;e=f[a+64>>2]|0;if(!e){u=b;return}g=Qa[f[(f[e>>2]|0)+32>>2]&127](e)|0;if(!g){u=b;return}e=g+24|0;h=g+28|0;i=((f[h>>2]|0)-(f[e>>2]|0)>>2)-(f[g+44>>2]|0)|0;j=a+56|0;k=f[j>>2]|0;if(((f[k+12>>2]|0)-(f[k+8>>2]|0)|0)>4){f[c>>2]=0;l=c+4|0;f[l>>2]=0;f[c+8>>2]=0;m=c+8|0;n=0;o=k;while(1){if(!(f[(f[(f[o+8>>2]|0)+(n<<2)>>2]|0)+56>>2]|0))p=o;else{k=Ra[f[(f[a>>2]|0)+56>>2]&127](a,n)|0;f[d>>2]=k;q=k;do if(k|0){r=f[l>>2]|0;if((r|0)==(f[m>>2]|0)){Ci(c,d);break}else{f[r>>2]=q;f[l>>2]=(f[l>>2]|0)+4;break}}while(0);p=f[j>>2]|0}n=n+1|0;if((n|0)>=((f[p+12>>2]|0)-(f[p+8>>2]|0)>>2|0))break;else o=p}o=f[h>>2]|0;h=f[e>>2]|0;e=h;if((o|0)==(h|0)){s=i;t=f[c>>2]|0}else{n=o-h>>2;h=g+12|0;g=f[l>>2]|0;o=f[c>>2]|0;c=(g|0)==(o|0);j=o;d=g-o>>2;o=p+96|0;p=i;g=0;while(1){m=f[e+(g<<2)>>2]|0;if((m|0)==-1)v=p;else{q=f[o>>2]|0;k=f[q+(((m|0)/3|0)*12|0)+(((m|0)%3|0)<<2)>>2]|0;r=(((m>>>0)%3|0|0)==0?2:-1)+m|0;a:do if(((r|0)!=-1?(w=f[(f[h>>2]|0)+(r<<2)>>2]|0,(w|0)!=-1):0)?(x=w+(((w>>>0)%3|0|0)==0?2:-1)|0,(x|0)!=-1):0){if(c){w=0;y=x;z=k;while(1){A=z;z=f[q+(((y|0)/3|0)*12|0)+(((y|0)%3|0)<<2)>>2]|0;B=w+((z|0)!=(A|0)&1)|0;if((y|0)==(m|0)){C=B;break a}A=(((y>>>0)%3|0|0)==0?2:-1)+y|0;if((A|0)==-1){C=B;break a}D=f[(f[h>>2]|0)+(A<<2)>>2]|0;if((D|0)==-1){C=B;break a}y=D+(((D>>>0)%3|0|0)==0?2:-1)|0;if((y|0)==-1){C=B;break a}else w=B}}else{E=0;F=x;G=m;H=k}while(1){w=f[q+(((F|0)/3|0)*12|0)+(((F|0)%3|0)<<2)>>2]|0;b:do if((w|0)==(H|0)){y=0;while(1){z=f[(f[j+(y<<2)>>2]|0)+28>>2]|0;y=y+1|0;if((f[z+(F<<2)>>2]|0)!=(f[z+(G<<2)>>2]|0)){I=H;J=28;break b}if(y>>>0>=d>>>0){K=H;L=E;break}}}else{I=w;J=28}while(0);if((J|0)==28){J=0;K=I;L=E+1|0}if((F|0)==(m|0)){C=L;break a}w=(((F>>>0)%3|0|0)==0?2:-1)+F|0;if((w|0)==-1){C=L;break a}y=f[(f[h>>2]|0)+(w<<2)>>2]|0;if((y|0)==-1){C=L;break a}w=y+(((y>>>0)%3|0|0)==0?2:-1)|0;if((w|0)==-1){C=L;break}else{y=F;E=L;F=w;H=K;G=y}}}else C=0;while(0);m=f[e+(g<<2)>>2]|0;q=m+1|0;if(((m|0)!=-1?(k=((q>>>0)%3|0|0)==0?m+-2|0:q,(k|0)!=-1):0)?(q=f[(f[h>>2]|0)+(k<<2)>>2]|0,k=q+1|0,(q|0)!=-1):0)M=((((k>>>0)%3|0|0)==0?q+-2|0:k)|0)==-1;else M=1;v=C+p+(((C|0)!=0&(M^1))<<31>>31)|0}g=g+1|0;if(g>>>0>=n>>>0){s=v;t=j;break}else p=v}}if(t|0){v=f[l>>2]|0;if((v|0)!=(t|0))f[l>>2]=v+(~((v+-4-t|0)>>>2)<<2);br(t)}N=s}else N=i;f[a+52>>2]=N;u=b;return}function Nc(a,c,d,e,g,h){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;i=u;u=u+32|0;j=i+4|0;k=i;l=i+16|0;m=(_(e|0)|0)^31;if((e|0)>0)if(m>>>0>17){n=0;u=i;return n|0}else o=m+1|0;else o=1;do if(g){m=dn(48)|0;f[j>>2]=m;f[j+8>>2]=-2147483600;f[j+4>>2]=33;e=m;p=13067;q=e+33|0;do{b[e>>0]=b[p>>0]|0;e=e+1|0;p=p+1|0}while((e|0)<(q|0));b[m+33>>0]=0;r=(sh(g,j)|0)==0;if((b[j+11>>0]|0)<0)br(f[j>>2]|0);if(!r){r=dn(48)|0;f[j>>2]=r;f[j+8>>2]=-2147483600;f[j+4>>2]=33;e=r;p=13067;q=e+33|0;do{b[e>>0]=b[p>>0]|0;e=e+1|0;p=p+1|0}while((e|0)<(q|0));b[r+33>>0]=0;p=Ck(g,j)|0;if((b[j+11>>0]|0)<0)br(f[j>>2]|0);if((p|0)<4){s=o+-2|0;break}if((p|0)<6){s=o+-1|0;break}if((p|0)>9){s=o+2|0;break}else{s=o+((p|0)>7&1)|0;break}}else s=o}else s=o;while(0);o=(s|0)>1?s:1;s=(o|0)<18?o:18;b[l>>0]=s;o=h+16|0;g=f[o+4>>2]|0;if(!((g|0)>0|(g|0)==0&(f[o>>2]|0)>>>0>0)){f[k>>2]=f[h+4>>2];f[j>>2]=f[k>>2];ye(h,j,l,l+1|0)|0}do switch(s&31){case 1:case 0:{n=je(a,c,d,h)|0;u=i;return n|0}case 2:{n=ie(a,c,d,h)|0;u=i;return n|0}case 3:{n=he(a,c,d,h)|0;u=i;return n|0}case 4:{n=ge(a,c,d,h)|0;u=i;return n|0}case 5:{n=fe(a,c,d,h)|0;u=i;return n|0}case 6:{n=ee(a,c,d,h)|0;u=i;return n|0}case 7:{n=de(a,c,d,h)|0;u=i;return n|0}case 8:{n=ce(a,c,d,h)|0;u=i;return n|0}case 9:{n=be(a,c,d,h)|0;u=i;return n|0}case 10:{n=ae(a,c,d,h)|0;u=i;return n|0}case 11:{n=$d(a,c,d,h)|0;u=i;return n|0}case 12:{n=_d(a,c,d,h)|0;u=i;return n|0}case 13:{n=Zd(a,c,d,h)|0;u=i;return n|0}case 14:{n=Yd(a,c,d,h)|0;u=i;return n|0}case 15:{n=Xd(a,c,d,h)|0;u=i;return n|0}case 16:{n=Wd(a,c,d,h)|0;u=i;return n|0}case 17:{n=Vd(a,c,d,h)|0;u=i;return n|0}case 18:{n=Ud(a,c,d,h)|0;u=i;return n|0}default:{n=0;u=i;return n|0}}while(0);return 0}function Oc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;wb(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Pc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;xb(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Qc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;yb(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Rc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;zb(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Sc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Ab(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Tc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*524288.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==524288){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Eb(z,A,g);a:do if((x|0)<524288){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=524288-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>524288;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-524288|0;m=x;while(1){v=524288.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==524288){C=p;D=524288;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=524288){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*1.9073486328125e-06)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Uc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*262144.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==262144){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Bb(z,A,g);a:do if((x|0)<262144){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=262144-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>262144;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-262144|0;m=x;while(1){v=262144.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==262144){C=p;D=262144;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=262144){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*3.814697265625e-06)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Vc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*65536.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==65536){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Cb(z,A,g);a:do if((x|0)<65536){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=65536-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>65536;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-65536|0;m=x;while(1){v=65536.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==65536){C=p;D=65536;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=65536){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.0000152587890625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Wc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*32768.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==32768){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Db(z,A,g);a:do if((x|0)<32768){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=32768-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>32768;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-32768|0;m=x;while(1){v=32768.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==32768){C=p;D=32768;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=32768){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000030517578125)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Xc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*8192.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==8192){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Fb(z,A,g);a:do if((x|0)<8192){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=8192-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>8192;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-8192|0;m=x;while(1){v=8192.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==8192){C=p;D=8192;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=8192){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.0001220703125)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Yc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Gb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function Zc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Hb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function _c(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Ib(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function $c(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Jb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function ad(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Kb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function bd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Lb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function cd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Mb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function dd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Tn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else dh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)mq(h);else{i=l<<2;t=dn(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;hj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Nb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);br(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Fg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=xe(a,d)|0;u=e;return w|0}function ed(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0;g=u;u=u+32|0;d=g+16|0;h=g+8|0;i=g;j=e>>>0>1073741823?-1:e<<2;k=_q(j)|0;hj(k|0,0,j|0)|0;j=f[a+28>>2]|0;l=a+36|0;m=f[l>>2]|0;n=f[m+4>>2]|0;o=f[m>>2]|0;p=n-o|0;a:do if((p|0)>4){q=p>>2;r=f[a+32>>2]|0;s=a+8|0;t=h+4|0;v=i+4|0;w=d+4|0;x=j+12|0;y=(e|0)>0;z=k+4|0;A=h+4|0;B=i+4|0;C=d+4|0;D=q+-1|0;if(n-o>>2>>>0>D>>>0){E=q;F=D;G=o}else{H=m;mq(H)}while(1){D=f[G+(F<<2)>>2]|0;q=X(F,e)|0;if((D|0)!=-1?(I=f[(f[x>>2]|0)+(D<<2)>>2]|0,(I|0)!=-1):0){D=f[j>>2]|0;J=f[r>>2]|0;K=f[J+(f[D+(I<<2)>>2]<<2)>>2]|0;L=I+1|0;M=((L>>>0)%3|0|0)==0?I+-2|0:L;if((M|0)==-1)N=-1;else N=f[D+(M<<2)>>2]|0;M=f[J+(N<<2)>>2]|0;L=(((I>>>0)%3|0|0)==0?2:-1)+I|0;if((L|0)==-1)O=-1;else O=f[D+(L<<2)>>2]|0;L=f[J+(O<<2)>>2]|0;if((K|0)<(F|0)&(M|0)<(F|0)&(L|0)<(F|0)){J=X(K,e)|0;K=X(M,e)|0;M=X(L,e)|0;if(y){L=0;do{f[k+(L<<2)>>2]=(f[b+(L+M<<2)>>2]|0)+(f[b+(L+K<<2)>>2]|0)-(f[b+(L+J<<2)>>2]|0);L=L+1|0}while((L|0)!=(e|0))}L=b+(q<<2)|0;J=c+(q<<2)|0;K=f[L+4>>2]|0;M=f[k>>2]|0;D=f[z>>2]|0;f[h>>2]=f[L>>2];f[A>>2]=K;f[i>>2]=M;f[B>>2]=D;Dd(d,s,h,i);f[J>>2]=f[d>>2];f[J+4>>2]=f[C>>2]}else P=15}else P=15;if((P|0)==15){P=0;J=b+(q<<2)|0;D=b+((X(E+-2|0,e)|0)<<2)|0;M=c+(q<<2)|0;K=f[J+4>>2]|0;L=f[D>>2]|0;I=f[D+4>>2]|0;f[h>>2]=f[J>>2];f[t>>2]=K;f[i>>2]=L;f[v>>2]=I;Dd(d,s,h,i);f[M>>2]=f[d>>2];f[M+4>>2]=f[w>>2]}if((E|0)<=2)break a;M=f[l>>2]|0;G=f[M>>2]|0;I=F+-1|0;if((f[M+4>>2]|0)-G>>2>>>0<=I>>>0){H=M;break}else{M=F;F=I;E=M}}mq(H)}while(0);if((e|0)<=0){Q=a+8|0;R=b+4|0;S=f[b>>2]|0;T=f[R>>2]|0;U=k+4|0;V=f[k>>2]|0;W=f[U>>2]|0;f[h>>2]=S;Y=h+4|0;f[Y>>2]=T;f[i>>2]=V;Z=i+4|0;f[Z>>2]=W;Dd(d,Q,h,i);_=f[d>>2]|0;f[c>>2]=_;$=d+4|0;aa=f[$>>2]|0;ba=c+4|0;f[ba>>2]=aa;$q(k);u=g;return 1}hj(k|0,0,e<<2|0)|0;Q=a+8|0;R=b+4|0;S=f[b>>2]|0;T=f[R>>2]|0;U=k+4|0;V=f[k>>2]|0;W=f[U>>2]|0;f[h>>2]=S;Y=h+4|0;f[Y>>2]=T;f[i>>2]=V;Z=i+4|0;f[Z>>2]=W;Dd(d,Q,h,i);_=f[d>>2]|0;f[c>>2]=_;$=d+4|0;aa=f[$>>2]|0;ba=c+4|0;f[ba>>2]=aa;$q(k);u=g;return 1}function fd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0;d=u;u=u+32|0;e=d;g=d+20|0;h=d+24|0;i=d+8|0;j=f[a>>2]|0;k=j+8|0;l=j;j=f[l>>2]|0;m=f[l+4>>2]|0;l=Tn(j|0,m|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=I;n=Tn(l|0,k|0,(l|0)==0&(k|0)==0&1|0,0)|0;k=~~((+(j>>>0)+4294967296.0*+(m>>>0))/(+(n>>>0)+4294967296.0*+(I>>>0))*256.0+.5)>>>0;n=k>>>0<255?k:255;k=n+((n|0)==0&1)&255;b[h>>0]=k;n=a+12|0;m=a+16|0;j=((f[m>>2]|0)-(f[n>>2]|0)<<1)+64|0;f[i>>2]=0;l=i+4|0;f[l>>2]=0;f[i+8>>2]=0;if(!j)o=0;else{if((j|0)<0)mq(i);p=dn(j)|0;f[l>>2]=p;f[i>>2]=p;f[i+8>>2]=p+j;q=j;j=p;do{b[j>>0]=0;j=(f[l>>2]|0)+1|0;f[l>>2]=j;q=q+-1|0}while((q|0)!=0);o=f[i>>2]|0}q=a+28|0;j=(f[q>>2]|0)+-1|0;a:do if((j|0)>-1){p=a+24|0;r=j;s=0;t=4096;v=k;while(1){w=(f[p>>2]&1<>>0>>0){y=s;z=t}else{b[o+s>>0]=t;y=s+1|0;z=t>>>8}on(f[3780+(x<<3)>>2]|0,0,z|0,0)|0;A=z+(w?0:0-v&255)+(X((z+I|0)>>>(f[3780+(x<<3)+4>>2]|0),256-x|0)|0)|0;x=r+-1|0;if((x|0)<=-1){B=y;C=A;break a}r=x;s=y;t=A;v=b[h>>0]|0}}else{B=0;C=4096}while(0);y=f[m>>2]|0;if((f[n>>2]|0)==(y|0)){D=B;E=C}else{z=B;B=C;C=y;while(1){C=C+-4|0;y=f[C>>2]|0;k=31;j=z;v=B;while(1){t=b[h>>0]|0;s=(1<>>0>>0){F=j;G=v}else{b[o+j>>0]=v;F=j+1|0;G=v>>>8}on(f[3780+(r<<3)>>2]|0,0,G|0,0)|0;v=G+(s?0:0-t&255)+(X((G+I|0)>>>(f[3780+(r<<3)+4>>2]|0),256-r|0)|0)|0;if((k|0)<=0)break;else{k=k+-1|0;j=F}}if((f[n>>2]|0)==(C|0)){D=F;E=v;break}else{z=F;B=v}}}B=E+-4096|0;do if(B>>>0>=64){if(B>>>0<16384){F=o+D|0;z=E+12288|0;b[F>>0]=z;H=2;J=z>>>8;K=F+1|0;L=25;break}if(B>>>0<4194304){F=o+D|0;z=E+8384512|0;b[F>>0]=z;b[F+1>>0]=z>>>8;H=3;J=z>>>16;K=F+2|0;L=25}else M=D}else{H=1;J=B;K=o+D|0;L=25}while(0);if((L|0)==25){b[K>>0]=J;M=H+D|0}D=c+16|0;H=D;J=f[H+4>>2]|0;if(!((J|0)>0|(J|0)==0&(f[H>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+1|0)|0}Nh(M,c)|0;h=f[i>>2]|0;H=D;D=f[H+4>>2]|0;if(!((D|0)>0|(D|0)==0&(f[H>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+M|0)|0}M=e;f[M>>2]=0;f[M+4>>2]=0;cf(a,2,e);e=f[a+12>>2]|0;M=f[m>>2]|0;if((M|0)!=(e|0))f[m>>2]=M+(~((M+-4-e|0)>>>2)<<2);f[a+24>>2]=0;f[q>>2]=0;q=f[i>>2]|0;if(!q){u=d;return}if((f[l>>2]|0)!=(q|0))f[l>>2]=q;br(q);u=d;return}function gd(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0;c=u;u=u+16|0;b=c+8|0;d=c+4|0;e=c;g=a+64|0;h=f[g>>2]|0;if((f[h+28>>2]|0)==(f[h+24>>2]|0)){u=c;return}i=a+52|0;j=a+56|0;k=a+60|0;l=a+12|0;m=a+28|0;n=a+40|0;o=a+44|0;p=a+48|0;q=0;r=0;s=h;while(1){h=f[(f[s+24>>2]|0)+(r<<2)>>2]|0;if((h|0)==-1){t=q;v=s}else{w=q+1|0;f[b>>2]=q;x=f[j>>2]|0;if((x|0)==(f[k>>2]|0))Ci(i,b);else{f[x>>2]=q;f[j>>2]=x+4}f[d>>2]=h;f[e>>2]=0;a:do if(!(f[(f[l>>2]|0)+(r>>>5<<2)>>2]&1<<(r&31)))y=h;else{x=h+1|0;z=((x>>>0)%3|0|0)==0?h+-2|0:x;if(((z|0)!=-1?(f[(f[a>>2]|0)+(z>>>5<<2)>>2]&1<<(z&31)|0)==0:0)?(x=f[(f[(f[g>>2]|0)+12>>2]|0)+(z<<2)>>2]|0,z=x+1|0,(x|0)!=-1):0){A=((z>>>0)%3|0|0)==0?x+-2|0:z;f[e>>2]=A;if((A|0)==-1){y=h;break}else B=A;while(1){f[d>>2]=B;A=B+1|0;z=((A>>>0)%3|0|0)==0?B+-2|0:A;if((z|0)==-1)break;if(f[(f[a>>2]|0)+(z>>>5<<2)>>2]&1<<(z&31)|0)break;A=f[(f[(f[g>>2]|0)+12>>2]|0)+(z<<2)>>2]|0;z=A+1|0;if((A|0)==-1)break;x=((z>>>0)%3|0|0)==0?A+-2|0:z;f[e>>2]=x;if((x|0)==-1){y=B;break a}else B=x}f[e>>2]=-1;y=B;break}f[e>>2]=-1;y=h}while(0);f[(f[m>>2]|0)+(y<<2)>>2]=f[b>>2];h=f[o>>2]|0;if((h|0)==(f[p>>2]|0))Ci(n,d);else{f[h>>2]=f[d>>2];f[o>>2]=h+4}h=f[g>>2]|0;x=f[d>>2]|0;b:do if(((x|0)!=-1?(z=(((x>>>0)%3|0|0)==0?2:-1)+x|0,(z|0)!=-1):0)?(A=f[(f[h+12>>2]|0)+(z<<2)>>2]|0,(A|0)!=-1):0){z=A+(((A>>>0)%3|0|0)==0?2:-1)|0;f[e>>2]=z;if((z|0)!=-1&(z|0)!=(x|0)){A=w;C=z;while(1){z=C+1|0;D=((z>>>0)%3|0|0)==0?C+-2|0:z;do if(f[(f[a>>2]|0)+(D>>>5<<2)>>2]&1<<(D&31)){z=A+1|0;f[b>>2]=A;E=f[j>>2]|0;if((E|0)==(f[k>>2]|0))Ci(i,b);else{f[E>>2]=A;f[j>>2]=E+4}E=f[o>>2]|0;if((E|0)==(f[p>>2]|0)){Ci(n,e);F=z;break}else{f[E>>2]=f[e>>2];f[o>>2]=E+4;F=z;break}}else F=A;while(0);f[(f[m>>2]|0)+(f[e>>2]<<2)>>2]=f[b>>2];G=f[g>>2]|0;D=f[e>>2]|0;if((D|0)==-1)break;z=(((D>>>0)%3|0|0)==0?2:-1)+D|0;if((z|0)==-1)break;D=f[(f[G+12>>2]|0)+(z<<2)>>2]|0;if((D|0)==-1)break;C=D+(((D>>>0)%3|0|0)==0?2:-1)|0;f[e>>2]=C;if(!((C|0)!=-1?(C|0)!=(f[d>>2]|0):0)){H=F;I=G;break b}else A=F}f[e>>2]=-1;H=F;I=G}else{H=w;I=h}}else J=26;while(0);if((J|0)==26){J=0;f[e>>2]=-1;H=w;I=h}t=H;v=I}r=r+1|0;if(r>>>0>=(f[v+28>>2]|0)-(f[v+24>>2]|0)>>2>>>0)break;else{q=t;s=v}}u=c;return}function hd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;h=a+124|0;f[h>>2]=(f[h>>2]|0)+1;h=a+88|0;i=a+120|0;j=f[i>>2]|0;k=j+1|0;do if((j|0)!=-1){l=((k>>>0)%3|0|0)==0?j+-2|0:k;if(!((j>>>0)%3|0)){m=j+2|0;n=l;break}else{m=j+-1|0;n=l;break}}else{m=-1;n=-1}while(0);k=a+104|0;l=a+92|0;o=f[l>>2]|0;p=o+(n<<2)|0;q=f[k>>2]|0;r=q+(f[p>>2]<<2)|0;s=f[r>>2]|0;switch(b|0){case 1:case 0:{f[r>>2]=s+-1;r=q+(f[o+(m<<2)>>2]<<2)|0;f[r>>2]=(f[r>>2]|0)+-1;if((b|0)==1){if((m|0)!=-1?(r=f[(f[(f[h>>2]|0)+12>>2]|0)+(m<<2)>>2]|0,(r|0)!=-1):0){t=a+64|0;v=1;w=r;while(1){r=f[t>>2]|0;x=f[(f[r>>2]|0)+36>>2]|0;f[e>>2]=(w>>>0)/3|0;f[d>>2]=f[e>>2];if(Ra[x&127](r,d)|0){y=v;break}r=w+1|0;x=((r>>>0)%3|0|0)==0?w+-2|0:r;if((x|0)==-1){z=12;break}w=f[(f[(f[h>>2]|0)+12>>2]|0)+(x<<2)>>2]|0;x=v+1|0;if((w|0)==-1){y=x;break}else v=x}if((z|0)==12)y=v+1|0;A=y;B=f[k>>2]|0;C=f[l>>2]|0}else{A=1;B=q;C=o}f[B+(f[C+(f[i>>2]<<2)>>2]<<2)>>2]=A;A=a+108|0;i=f[A>>2]|0;C=i-B>>2;B=i;if((n|0)!=-1?(i=f[(f[(f[h>>2]|0)+12>>2]|0)+(n<<2)>>2]|0,(i|0)!=-1):0){n=a+64|0;y=1;v=i;while(1){i=f[n>>2]|0;w=f[(f[i>>2]|0)+36>>2]|0;f[g>>2]=(v>>>0)/3|0;f[d>>2]=f[g>>2];if(Ra[w&127](i,d)|0){D=y;break}i=v+1|0;f[(f[l>>2]|0)+((((i>>>0)%3|0|0)==0?v+-2|0:i)<<2)>>2]=C;i=(((v>>>0)%3|0|0)==0?2:-1)+v|0;if((i|0)==-1){z=20;break}v=f[(f[(f[h>>2]|0)+12>>2]|0)+(i<<2)>>2]|0;i=y+1|0;if((v|0)==-1){D=i;break}else y=i}if((z|0)==20)D=y+1|0;E=D;F=f[A>>2]|0}else{E=1;F=B}f[d>>2]=E;if(F>>>0<(f[a+112>>2]|0)>>>0){f[F>>2]=E;f[A>>2]=F+4}else Ci(k,d)}break}case 5:{k=q+(f[o+(j<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-1;k=q+(f[p>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-1;k=q+(f[o+(m<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;break}case 3:{k=q+(f[o+(j<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-1;k=q+(f[p>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;k=q+(f[o+(m<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-1;break}case 7:{k=q+(f[o+(j<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;k=q+(f[p>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;k=q+(f[o+(m<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;break}default:{}}k=a+116|0;m=f[k>>2]|0;if((m|0)==-1){f[k>>2]=b;u=c;return}o=f[a+128>>2]|0;if((s|0)<(o|0))G=o;else{q=f[a+132>>2]|0;G=(s|0)>(q|0)?q:s}s=G-o|0;o=f[a+136>>2]|0;a=f[3384+(m<<2)>>2]|0;f[d>>2]=a;m=o+(s*12|0)+4|0;G=f[m>>2]|0;if(G>>>0<(f[o+(s*12|0)+8>>2]|0)>>>0){f[G>>2]=a;f[m>>2]=G+4}else Ci(o+(s*12|0)|0,d);f[k>>2]=b;u=c;return}function id(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,_=0,$=0;g=u;u=u+32|0;d=g+16|0;h=g+8|0;i=g;j=e>>>0>1073741823?-1:e<<2;k=_q(j)|0;hj(k|0,0,j|0)|0;j=f[a+28>>2]|0;l=a+36|0;m=f[l>>2]|0;n=f[m+4>>2]|0;o=f[m>>2]|0;p=n-o|0;a:do if((p|0)>4){q=p>>2;r=f[a+32>>2]|0;s=a+8|0;t=h+4|0;v=i+4|0;w=d+4|0;x=j+64|0;y=j+28|0;z=(e|0)>0;A=k+4|0;B=h+4|0;C=i+4|0;D=d+4|0;E=q+-1|0;if(n-o>>2>>>0>E>>>0){F=q;G=E;H=o}else{I=m;mq(I)}while(1){E=f[H+(G<<2)>>2]|0;q=X(G,e)|0;if((((E|0)!=-1?(f[(f[j>>2]|0)+(E>>>5<<2)>>2]&1<<(E&31)|0)==0:0)?(J=f[(f[(f[x>>2]|0)+12>>2]|0)+(E<<2)>>2]|0,(J|0)!=-1):0)?(E=f[y>>2]|0,K=f[r>>2]|0,L=f[K+(f[E+(J<<2)>>2]<<2)>>2]|0,M=J+1|0,N=f[K+(f[E+((((M>>>0)%3|0|0)==0?J+-2|0:M)<<2)>>2]<<2)>>2]|0,M=f[K+(f[E+((((J>>>0)%3|0|0)==0?2:-1)+J<<2)>>2]<<2)>>2]|0,(L|0)<(G|0)&(N|0)<(G|0)&(M|0)<(G|0)):0){J=X(L,e)|0;L=X(N,e)|0;N=X(M,e)|0;if(z){M=0;do{f[k+(M<<2)>>2]=(f[b+(M+N<<2)>>2]|0)+(f[b+(M+L<<2)>>2]|0)-(f[b+(M+J<<2)>>2]|0);M=M+1|0}while((M|0)!=(e|0))}M=b+(q<<2)|0;J=c+(q<<2)|0;L=f[M+4>>2]|0;N=f[k>>2]|0;E=f[A>>2]|0;f[h>>2]=f[M>>2];f[B>>2]=L;f[i>>2]=N;f[C>>2]=E;Dd(d,s,h,i);f[J>>2]=f[d>>2];f[J+4>>2]=f[D>>2]}else{J=b+(q<<2)|0;E=b+((X(F+-2|0,e)|0)<<2)|0;N=c+(q<<2)|0;L=f[J+4>>2]|0;M=f[E>>2]|0;K=f[E+4>>2]|0;f[h>>2]=f[J>>2];f[t>>2]=L;f[i>>2]=M;f[v>>2]=K;Dd(d,s,h,i);f[N>>2]=f[d>>2];f[N+4>>2]=f[w>>2]}if((F|0)<=2)break a;N=f[l>>2]|0;H=f[N>>2]|0;K=G+-1|0;if((f[N+4>>2]|0)-H>>2>>>0<=K>>>0){I=N;break}else{N=G;G=K;F=N}}mq(I)}while(0);if((e|0)<=0){O=a+8|0;P=b+4|0;Q=f[b>>2]|0;R=f[P>>2]|0;S=k+4|0;T=f[k>>2]|0;U=f[S>>2]|0;f[h>>2]=Q;V=h+4|0;f[V>>2]=R;f[i>>2]=T;W=i+4|0;f[W>>2]=U;Dd(d,O,h,i);Y=f[d>>2]|0;f[c>>2]=Y;Z=d+4|0;_=f[Z>>2]|0;$=c+4|0;f[$>>2]=_;$q(k);u=g;return 1}hj(k|0,0,e<<2|0)|0;O=a+8|0;P=b+4|0;Q=f[b>>2]|0;R=f[P>>2]|0;S=k+4|0;T=f[k>>2]|0;U=f[S>>2]|0;f[h>>2]=Q;V=h+4|0;f[V>>2]=R;f[i>>2]=T;W=i+4|0;f[W>>2]=U;Dd(d,O,h,i);Y=f[d>>2]|0;f[c>>2]=Y;Z=d+4|0;_=f[Z>>2]|0;$=c+4|0;f[$>>2]=_;$q(k);u=g;return 1}function jd(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;c=a+4|0;if(!b){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[c>>2]=0;return}if(b>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(b<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;g=f[c>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=b+-1|0;i=(h&b|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(b>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=c;c=f[g>>2]|0;if(!c)return;else{k=j;l=g;m=c;n=g}a:while(1){g=l;c=m;j=n;b:while(1){c:do if(i){e=c;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=q+2|0;v=e+12|0;w=q+6|0;x=f[e>>2]|0;d:do if(!x)y=e;else{z=d[q>>1]|0;A=e;B=x;while(1){C=B+8|0;if(z<<16>>16!=(d[C>>1]|0)){y=A;break d}if((d[u>>1]|0)!=(d[C+2>>1]|0)){y=A;break d}if((d[v>>1]|0)!=(d[B+12>>1]|0)){y=A;break d}if((d[w>>1]|0)!=(d[C+6>>1]|0)){y=A;break d}C=f[B>>2]|0;if(!C){y=B;break}else{D=B;B=C;A=D}}}while(0);f[j>>2]=f[y>>2];f[y>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){E=43;break a}}}else{e=c;while(1){w=f[e+4>>2]|0;if(w>>>0>>0)F=w;else F=(w>>>0)%(b>>>0)|0;if((F|0)==(k|0)){p=e;break c}w=(f[a>>2]|0)+(F<<2)|0;if(!(f[w>>2]|0)){r=e;s=F;t=w;break b}w=e+8|0;v=w+2|0;u=e+12|0;x=w+6|0;q=f[e>>2]|0;e:do if(!q)G=e;else{A=d[w>>1]|0;B=e;z=q;while(1){D=z+8|0;if(A<<16>>16!=(d[D>>1]|0)){G=B;break e}if((d[v>>1]|0)!=(d[D+2>>1]|0)){G=B;break e}if((d[u>>1]|0)!=(d[z+12>>1]|0)){G=B;break e}if((d[x>>1]|0)!=(d[D+6>>1]|0)){G=B;break e}D=f[z>>2]|0;if(!D){G=z;break}else{C=z;z=D;B=C}}}while(0);f[j>>2]=f[G>>2];f[G>>2]=f[f[(f[a>>2]|0)+(F<<2)>>2]>>2];f[f[(f[a>>2]|0)+(F<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){E=43;break a}}}while(0);c=f[p>>2]|0;if(!c){E=43;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){E=43;break}else{k=s;l=r;n=r}}if((E|0)==43)return}function kd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){g=l;d=m;j=n;b:while(1){c:do if(i){e=d;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=q+1|0;v=q+2|0;w=q+3|0;x=f[e>>2]|0;d:do if(!x)y=e;else{z=b[q>>0]|0;A=e;B=x;while(1){C=B+8|0;if(z<<24>>24!=(b[C>>0]|0)){y=A;break d}if((b[u>>0]|0)!=(b[C+1>>0]|0)){y=A;break d}if((b[v>>0]|0)!=(b[C+2>>0]|0)){y=A;break d}if((b[w>>0]|0)!=(b[C+3>>0]|0)){y=A;break d}C=f[B>>2]|0;if(!C){y=B;break}else{D=B;B=C;A=D}}}while(0);f[j>>2]=f[y>>2];f[y>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){E=43;break a}}}else{e=d;while(1){w=f[e+4>>2]|0;if(w>>>0>>0)F=w;else F=(w>>>0)%(c>>>0)|0;if((F|0)==(k|0)){p=e;break c}w=(f[a>>2]|0)+(F<<2)|0;if(!(f[w>>2]|0)){r=e;s=F;t=w;break b}w=e+8|0;v=w+1|0;u=w+2|0;x=w+3|0;q=f[e>>2]|0;e:do if(!q)G=e;else{A=b[w>>0]|0;B=e;z=q;while(1){D=z+8|0;if(A<<24>>24!=(b[D>>0]|0)){G=B;break e}if((b[v>>0]|0)!=(b[D+1>>0]|0)){G=B;break e}if((b[u>>0]|0)!=(b[D+2>>0]|0)){G=B;break e}if((b[x>>0]|0)!=(b[D+3>>0]|0)){G=B;break e}D=f[z>>2]|0;if(!D){G=z;break}else{C=z;z=D;B=C}}}while(0);f[j>>2]=f[G>>2];f[G>>2]=f[f[(f[a>>2]|0)+(F<<2)>>2]>>2];f[f[(f[a>>2]|0)+(F<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){E=43;break a}}}while(0);d=f[p>>2]|0;if(!d){E=43;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){E=43;break}else{k=s;l=r;n=r}}if((E|0)==43)return}function ld(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;c=a+4|0;if(!b){d=f[a>>2]|0;f[a>>2]=0;if(d|0)br(d);f[c>>2]=0;return}if(b>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}d=dn(b<<2)|0;e=f[a>>2]|0;f[a>>2]=d;if(e|0)br(e);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;e=f[c>>2]|0;if(!e)return;d=f[e+4>>2]|0;g=b+-1|0;h=(g&b|0)==0;if(!h)if(d>>>0>>0)i=d;else i=(d>>>0)%(b>>>0)|0;else i=d&g;f[(f[a>>2]|0)+(i<<2)>>2]=c;c=f[e>>2]|0;if(!c)return;else{j=i;k=e;l=c;m=e}a:while(1){e=k;c=l;i=m;b:while(1){c:do if(h){d=c;while(1){n=f[d+4>>2]&g;if((n|0)==(j|0)){o=d;break c}p=(f[a>>2]|0)+(n<<2)|0;if(!(f[p>>2]|0)){q=d;r=n;s=p;break b}p=d+12|0;t=d+16|0;u=d+20|0;v=f[d>>2]|0;d:do if(!v)w=d;else{x=f[d+8>>2]|0;y=d;z=v;while(1){if((x|0)!=(f[z+8>>2]|0)){w=y;break d}if((f[p>>2]|0)!=(f[z+12>>2]|0)){w=y;break d}if((f[t>>2]|0)!=(f[z+16>>2]|0)){w=y;break d}if((f[u>>2]|0)!=(f[z+20>>2]|0)){w=y;break d}A=f[z>>2]|0;if(!A){w=z;break}else{B=z;z=A;y=B}}}while(0);f[i>>2]=f[w>>2];f[w>>2]=f[f[(f[a>>2]|0)+(n<<2)>>2]>>2];f[f[(f[a>>2]|0)+(n<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){C=43;break a}}}else{d=c;while(1){u=f[d+4>>2]|0;if(u>>>0>>0)D=u;else D=(u>>>0)%(b>>>0)|0;if((D|0)==(j|0)){o=d;break c}u=(f[a>>2]|0)+(D<<2)|0;if(!(f[u>>2]|0)){q=d;r=D;s=u;break b}u=d+12|0;t=d+16|0;p=d+20|0;v=f[d>>2]|0;e:do if(!v)E=d;else{y=f[d+8>>2]|0;z=d;x=v;while(1){if((y|0)!=(f[x+8>>2]|0)){E=z;break e}if((f[u>>2]|0)!=(f[x+12>>2]|0)){E=z;break e}if((f[t>>2]|0)!=(f[x+16>>2]|0)){E=z;break e}if((f[p>>2]|0)!=(f[x+20>>2]|0)){E=z;break e}B=f[x>>2]|0;if(!B){E=x;break}else{A=x;x=B;z=A}}}while(0);f[i>>2]=f[E>>2];f[E>>2]=f[f[(f[a>>2]|0)+(D<<2)>>2]>>2];f[f[(f[a>>2]|0)+(D<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){C=43;break a}}}while(0);c=f[o>>2]|0;if(!c){C=43;break a}else{e=o;i=o}}f[s>>2]=i;l=f[q>>2]|0;if(!l){C=43;break}else{j=r;k=q;m=q}}if((C|0)==43)return}function md(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0;i=u;u=u+352|0;j=i+340|0;k=i+336|0;l=i+80|0;m=i+48|0;n=i;hj(l|0,0,256)|0;o=f[e+4>>2]|0;p=f[e>>2]|0;q=p;if((o|0)!=(p|0)){r=o-p>>2;p=0;do{o=l+(f[q+(p<<2)>>2]<<3)|0;s=o;t=Tn(f[s>>2]|0,f[s+4>>2]|0,1,0)|0;s=o;f[s>>2]=t;f[s+4>>2]=I;p=p+1|0}while(p>>>0>>0)}Cn(m);r=Rn(c|0,((c|0)<0)<<31>>31|0,5)|0;p=I;q=n+40|0;s=q;f[s>>2]=0;f[s+4>>2]=0;s=n;t=s+36|0;do{f[s>>2]=0;s=s+4|0}while((s|0)<(t|0));$c(n,l,32,g)|0;l=n+16|0;s=Rn(f[l>>2]|0,f[l+4>>2]|0,1)|0;l=g+4|0;t=(f[l>>2]|0)-(f[g>>2]|0)|0;o=q;f[o>>2]=t;f[o+4>>2]=0;o=Tn(s|0,I|0,39,0)|0;s=Wn(o|0,I|0,3)|0;o=Tn(s|0,I|0,8,0)|0;s=Tn(o|0,I|0,t|0,0)|0;vl(g,s,I);s=n+24|0;f[s>>2]=(f[g>>2]|0)+(f[q>>2]|0);q=n+28|0;f[q>>2]=0;t=n+32|0;f[t>>2]=16384;li(m,r,p,0)|0;p=c-d|0;if((p|0)>-1){c=(d|0)>0;r=m+16|0;o=m+12|0;v=p;do{w=f[e>>2]|0;x=f[w+(((v|0)/(d|0)|0)<<2)>>2]|0;y=f[n>>2]|0;z=f[y+(x<<3)>>2]|0;A=f[t>>2]|0;B=z<<10;if(A>>>0>>0){C=A;D=w}else{w=A;do{A=f[s>>2]|0;E=f[q>>2]|0;f[q>>2]=E+1;b[A+E>>0]=w;w=(f[t>>2]|0)>>>8;f[t>>2]=w}while(w>>>0>=B>>>0);C=w;D=f[e>>2]|0}f[t>>2]=(((C>>>0)/(z>>>0)|0)<<12)+((C>>>0)%(z>>>0)|0)+(f[y+(x<<3)+4>>2]|0);B=p-v|0;E=f[D+(((B|0)/(d|0)|0)<<2)>>2]|0;if(c&(E|0)>0){A=0;do{F=f[a+(A+B<<2)>>2]|0;G=r;H=f[G+4>>2]|0;if((H|0)>0|(H|0)==0&(f[G>>2]|0)>>>0>0){G=f[o>>2]|0;H=G+4|0;J=0;K=f[H>>2]|0;do{L=K>>>3;M=K&7;N=(f[G>>2]|0)+L|0;b[N>>0]=(1<>0]|0);N=(f[G>>2]|0)+L|0;b[N>>0]=(F>>>J&1)<>0]|0);K=(f[H>>2]|0)+1|0;f[H>>2]=K;J=J+1|0}while((J|0)!=(E|0))}A=A+1|0}while((A|0)!=(d|0))}v=v-d|0}while((v|0)>-1)}Lf(n,g);Qf(m);v=f[m>>2]|0;d=m+4|0;o=g+16|0;r=f[o+4>>2]|0;if(!((r|0)>0|(r|0)==0&(f[o>>2]|0)>>>0>0)){o=(f[d>>2]|0)-v|0;f[k>>2]=f[l>>2];f[j>>2]=f[k>>2];ye(g,j,v,v+o|0)|0}o=f[n>>2]|0;if(o|0){v=n+4|0;n=f[v>>2]|0;if((n|0)!=(o|0))f[v>>2]=n+(~((n+-8-o|0)>>>3)<<3);br(o)}o=m+12|0;n=f[o>>2]|0;f[o>>2]=0;if(n|0)br(n);n=f[m>>2]|0;if(!n){u=i;return 1}if((f[d>>2]|0)!=(n|0))f[d>>2]=n;br(n);u=i;return 1}function nd(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;c=a+4|0;if(!b){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[c>>2]=0;return}if(b>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(b<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;g=f[c>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=b+-1|0;i=(h&b|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(b>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=c;c=f[g>>2]|0;if(!c)return;else{k=j;l=g;m=c;n=g}a:while(1){g=l;c=m;j=n;b:while(1){c:do if(i){e=c;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=e+12|0;v=f[e>>2]|0;d:do if(!v)w=e;else{x=d[q>>1]|0;y=q+2|0;z=e;A=v;while(1){B=A+8|0;if(x<<16>>16!=(d[B>>1]|0)){w=z;break d}if((d[y>>1]|0)!=(d[B+2>>1]|0)){w=z;break d}if((d[u>>1]|0)!=(d[A+12>>1]|0)){w=z;break d}B=f[A>>2]|0;if(!B){w=A;break}else{C=A;A=B;z=C}}}while(0);f[j>>2]=f[w>>2];f[w>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){D=41;break a}}}else{e=c;while(1){u=f[e+4>>2]|0;if(u>>>0>>0)E=u;else E=(u>>>0)%(b>>>0)|0;if((E|0)==(k|0)){p=e;break c}u=(f[a>>2]|0)+(E<<2)|0;if(!(f[u>>2]|0)){r=e;s=E;t=u;break b}u=e+8|0;v=e+12|0;q=f[e>>2]|0;e:do if(!q)F=e;else{z=d[u>>1]|0;A=u+2|0;y=e;x=q;while(1){C=x+8|0;if(z<<16>>16!=(d[C>>1]|0)){F=y;break e}if((d[A>>1]|0)!=(d[C+2>>1]|0)){F=y;break e}if((d[v>>1]|0)!=(d[x+12>>1]|0)){F=y;break e}C=f[x>>2]|0;if(!C){F=x;break}else{B=x;x=C;y=B}}}while(0);f[j>>2]=f[F>>2];f[F>>2]=f[f[(f[a>>2]|0)+(E<<2)>>2]>>2];f[f[(f[a>>2]|0)+(E<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){D=41;break a}}}while(0);c=f[p>>2]|0;if(!c){D=41;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){D=41;break}else{k=s;l=r;n=r}}if((D|0)==41)return}function od(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){g=l;d=m;j=n;b:while(1){c:do if(i){e=d;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=q+1|0;v=q+2|0;w=f[e>>2]|0;d:do if(!w)x=e;else{y=b[q>>0]|0;z=e;A=w;while(1){B=A+8|0;if(y<<24>>24!=(b[B>>0]|0)){x=z;break d}if((b[u>>0]|0)!=(b[B+1>>0]|0)){x=z;break d}if((b[v>>0]|0)!=(b[B+2>>0]|0)){x=z;break d}B=f[A>>2]|0;if(!B){x=A;break}else{C=A;A=B;z=C}}}while(0);f[j>>2]=f[x>>2];f[x>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){D=41;break a}}}else{e=d;while(1){v=f[e+4>>2]|0;if(v>>>0>>0)E=v;else E=(v>>>0)%(c>>>0)|0;if((E|0)==(k|0)){p=e;break c}v=(f[a>>2]|0)+(E<<2)|0;if(!(f[v>>2]|0)){r=e;s=E;t=v;break b}v=e+8|0;u=v+1|0;w=v+2|0;q=f[e>>2]|0;e:do if(!q)F=e;else{z=b[v>>0]|0;A=e;y=q;while(1){C=y+8|0;if(z<<24>>24!=(b[C>>0]|0)){F=A;break e}if((b[u>>0]|0)!=(b[C+1>>0]|0)){F=A;break e}if((b[w>>0]|0)!=(b[C+2>>0]|0)){F=A;break e}C=f[y>>2]|0;if(!C){F=y;break}else{B=y;y=C;A=B}}}while(0);f[j>>2]=f[F>>2];f[F>>2]=f[f[(f[a>>2]|0)+(E<<2)>>2]>>2];f[f[(f[a>>2]|0)+(E<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){D=41;break a}}}while(0);d=f[p>>2]|0;if(!d){D=41;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){D=41;break}else{k=s;l=r;n=r}}if((D|0)==41)return}function pd(a,b){a=+a;b=+b;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,q=0,r=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0.0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0.0;p[s>>3]=a;c=f[s>>2]|0;d=f[s+4>>2]|0;p[s>>3]=b;e=f[s>>2]|0;g=f[s+4>>2]|0;h=Wn(c|0,d|0,52)|0;i=h&2047;h=Wn(e|0,g|0,52)|0;j=h&2047;h=d&-2147483648;k=Rn(e|0,g|0,1)|0;l=I;a:do if(!((k|0)==0&(l|0)==0)?(m=xo(b)|0,n=I&2147483647,!((i|0)==2047|(n>>>0>2146435072|(n|0)==2146435072&m>>>0>0))):0){m=Rn(c|0,d|0,1)|0;n=I;if(!(n>>>0>l>>>0|(n|0)==(l|0)&m>>>0>k>>>0))return +((m|0)==(k|0)&(n|0)==(l|0)?a*0.0:a);if(!i){n=Rn(c|0,d|0,12)|0;m=I;if((m|0)>-1|(m|0)==-1&n>>>0>4294967295){o=0;q=n;n=m;while(1){m=o+-1|0;q=Rn(q|0,n|0,1)|0;n=I;if(!((n|0)>-1|(n|0)==-1&q>>>0>4294967295)){r=m;break}else o=m}}else r=0;o=Rn(c|0,d|0,1-r|0)|0;t=r;u=o;v=I}else{t=i;u=c;v=d&1048575|1048576}if(!j){o=Rn(e|0,g|0,12)|0;q=I;if((q|0)>-1|(q|0)==-1&o>>>0>4294967295){n=0;m=o;o=q;while(1){q=n+-1|0;m=Rn(m|0,o|0,1)|0;o=I;if(!((o|0)>-1|(o|0)==-1&m>>>0>4294967295)){w=q;break}else n=q}}else w=0;n=Rn(e|0,g|0,1-w|0)|0;x=w;y=n;z=I}else{x=j;y=e;z=g&1048575|1048576}n=Vn(u|0,v|0,y|0,z|0)|0;m=I;o=(m|0)>-1|(m|0)==-1&n>>>0>4294967295;b:do if((t|0)>(x|0)){q=t;A=m;B=o;C=u;D=v;E=n;while(1){if(B)if((E|0)==0&(A|0)==0)break;else{F=E;G=A}else{F=C;G=D}H=Rn(F|0,G|0,1)|0;J=I;K=q+-1|0;L=Vn(H|0,J|0,y|0,z|0)|0;M=I;N=(M|0)>-1|(M|0)==-1&L>>>0>4294967295;if((K|0)>(x|0)){q=K;A=M;B=N;C=H;D=J;E=L}else{O=K;P=N;Q=L;R=M;S=H;T=J;break b}}U=a*0.0;break a}else{O=t;P=o;Q=n;R=m;S=u;T=v}while(0);if(P)if((Q|0)==0&(R|0)==0){U=a*0.0;break}else{V=R;W=Q}else{V=T;W=S}if(V>>>0<1048576|(V|0)==1048576&W>>>0<0){m=O;n=W;o=V;while(1){E=Rn(n|0,o|0,1)|0;D=I;C=m+-1|0;if(D>>>0<1048576|(D|0)==1048576&E>>>0<0){m=C;n=E;o=D}else{X=C;Y=E;Z=D;break}}}else{X=O;Y=W;Z=V}if((X|0)>0){o=Tn(Y|0,Z|0,0,-1048576)|0;n=I;m=Rn(X|0,0,52)|0;_=n|I;$=o|m}else{m=Wn(Y|0,Z|0,1-X|0)|0;_=I;$=m}f[s>>2]=$;f[s+4>>2]=_|h;U=+p[s>>3]}else aa=3;while(0);if((aa|0)==3){ba=a*b;U=ba/ba}return +U}function qd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;c=a+4|0;if(!b){d=f[a>>2]|0;f[a>>2]=0;if(d|0)br(d);f[c>>2]=0;return}if(b>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}d=dn(b<<2)|0;e=f[a>>2]|0;f[a>>2]=d;if(e|0)br(e);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;e=f[c>>2]|0;if(!e)return;d=f[e+4>>2]|0;g=b+-1|0;h=(g&b|0)==0;if(!h)if(d>>>0>>0)i=d;else i=(d>>>0)%(b>>>0)|0;else i=d&g;f[(f[a>>2]|0)+(i<<2)>>2]=c;c=f[e>>2]|0;if(!c)return;else{j=i;k=e;l=c;m=e}a:while(1){e=k;c=l;i=m;b:while(1){c:do if(h){d=c;while(1){n=f[d+4>>2]&g;if((n|0)==(j|0)){o=d;break c}p=(f[a>>2]|0)+(n<<2)|0;if(!(f[p>>2]|0)){q=d;r=n;s=p;break b}p=d+12|0;t=d+16|0;u=f[d>>2]|0;d:do if(!u)v=d;else{w=f[d+8>>2]|0;x=d;y=u;while(1){if((w|0)!=(f[y+8>>2]|0)){v=x;break d}if((f[p>>2]|0)!=(f[y+12>>2]|0)){v=x;break d}if((f[t>>2]|0)!=(f[y+16>>2]|0)){v=x;break d}z=f[y>>2]|0;if(!z){v=y;break}else{A=y;y=z;x=A}}}while(0);f[i>>2]=f[v>>2];f[v>>2]=f[f[(f[a>>2]|0)+(n<<2)>>2]>>2];f[f[(f[a>>2]|0)+(n<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){B=41;break a}}}else{d=c;while(1){t=f[d+4>>2]|0;if(t>>>0>>0)C=t;else C=(t>>>0)%(b>>>0)|0;if((C|0)==(j|0)){o=d;break c}t=(f[a>>2]|0)+(C<<2)|0;if(!(f[t>>2]|0)){q=d;r=C;s=t;break b}t=d+12|0;p=d+16|0;u=f[d>>2]|0;e:do if(!u)D=d;else{x=f[d+8>>2]|0;y=d;w=u;while(1){if((x|0)!=(f[w+8>>2]|0)){D=y;break e}if((f[t>>2]|0)!=(f[w+12>>2]|0)){D=y;break e}if((f[p>>2]|0)!=(f[w+16>>2]|0)){D=y;break e}A=f[w>>2]|0;if(!A){D=w;break}else{z=w;w=A;y=z}}}while(0);f[i>>2]=f[D>>2];f[D>>2]=f[f[(f[a>>2]|0)+(C<<2)>>2]>>2];f[f[(f[a>>2]|0)+(C<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){B=41;break a}}}while(0);c=f[o>>2]|0;if(!c){B=41;break a}else{e=o;i=o}}f[s>>2]=i;l=f[q>>2]|0;if(!l){B=41;break}else{j=r;k=q;m=q}}if((B|0)==41)return}function rd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){g=l;d=m;j=n;b:while(1){o=d;while(1){e=f[o+4>>2]|0;if(!i)if(e>>>0>>0)p=e;else p=(e>>>0)%(c>>>0)|0;else p=e&h;if((p|0)==(k|0))break;q=(f[a>>2]|0)+(p<<2)|0;if(!(f[q>>2]|0))break b;e=f[o>>2]|0;c:do if(!e)r=o;else{s=o+8|0;t=b[s+11>>0]|0;u=t<<24>>24<0;v=t&255;t=u?f[o+12>>2]|0:v;w=(t|0)==0;if(u){u=o;x=e;while(1){y=x+8|0;z=b[y+11>>0]|0;A=z<<24>>24<0;if((t|0)!=((A?f[x+12>>2]|0:z&255)|0)){r=u;break c}if(!w?Pk(f[s>>2]|0,A?f[y>>2]|0:y,t)|0:0){r=u;break c}y=f[x>>2]|0;if(!y){r=x;break c}else{A=x;x=y;u=A}}}if(w){u=o;x=e;while(1){A=b[x+8+11>>0]|0;if((A<<24>>24<0?f[x+12>>2]|0:A&255)|0){r=u;break c}A=f[x>>2]|0;if(!A){r=x;break c}else{y=x;x=A;u=y}}}u=o;x=e;while(1){w=x+8|0;y=b[w+11>>0]|0;A=y<<24>>24<0;if((t|0)!=((A?f[x+12>>2]|0:y&255)|0)){r=u;break c}y=A?f[w>>2]|0:w;if((b[y>>0]|0)==(f[s>>2]&255)<<24>>24){B=s;C=v;D=y}else{r=u;break c}while(1){C=C+-1|0;B=B+1|0;if(!C)break;D=D+1|0;if((b[B>>0]|0)!=(b[D>>0]|0)){r=u;break c}}y=f[x>>2]|0;if(!y){r=x;break}else{w=x;x=y;u=w}}}while(0);f[j>>2]=f[r>>2];f[r>>2]=f[f[(f[a>>2]|0)+(p<<2)>>2]>>2];f[f[(f[a>>2]|0)+(p<<2)>>2]>>2]=o;e=f[g>>2]|0;if(!e){E=43;break a}else o=e}d=f[o>>2]|0;if(!d){E=43;break a}else{g=o;j=o}}f[q>>2]=j;m=f[o>>2]|0;if(!m){E=43;break}else{k=p;l=o;n=o}}if((E|0)==43)return}function sd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+48|0;d=c+8|0;e=c+4|0;g=c;h=a+44|0;Nh(f[h>>2]|0,b)|0;if(f[h>>2]|0){rn(d);lk(d);i=f[h>>2]|0;if((i|0)>0){h=a+40|0;j=i;do{i=j;j=j+-1|0;Vi(d,(f[(f[h>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0)}while((i|0)>1)}fd(d,b);tj(d)}j=a+56|0;Nh(f[j>>2]|0,b)|0;if(f[j>>2]|0){rn(d);lk(d);h=f[j>>2]|0;if((h|0)>1){j=a+52|0;i=h;do{h=i;i=i+-2|0;Vi(d,(f[(f[j>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);k=h+-1|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0)}while((h|0)>3)}fd(d,b);tj(d)}j=a+68|0;Nh(f[j>>2]|0,b)|0;if(f[j>>2]|0){rn(d);lk(d);i=f[j>>2]|0;if((i|0)>2){j=a+64|0;h=i;do{i=h;h=h+-3|0;Vi(d,(f[(f[j>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0)!=0);k=i+-2|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0);k=i+-1|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0)}while((i|0)>5)}fd(d,b);tj(d)}j=a+80|0;Nh(f[j>>2]|0,b)|0;if(f[j>>2]|0){rn(d);lk(d);h=f[j>>2]|0;if((h|0)>3){j=a+76|0;i=h;do{h=i;i=i+-4|0;Vi(d,(f[(f[j>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);k=h+-3|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0);k=h+-2|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0);k=h+-1|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0)}while((h|0)>7)}fd(d,b);tj(d)}f[g>>2]=f[a+12>>2];j=b+16|0;i=j;h=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&h>>>0>0){l=k;m=h}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;h=j;l=f[h+4>>2]|0;m=f[h>>2]|0}f[g>>2]=f[a+20>>2];if((l|0)>0|(l|0)==0&m>>>0>0){u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;u=c;return 1}function td(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+48|0;d=c+8|0;e=c+4|0;g=c;h=a+64|0;Nh(f[h>>2]|0,b)|0;if(f[h>>2]|0){rn(d);lk(d);i=f[h>>2]|0;if((i|0)>0){h=a+60|0;j=i;do{i=j;j=j+-1|0;Vi(d,(f[(f[h>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0)}while((i|0)>1)}fd(d,b);tj(d)}j=a+76|0;Nh(f[j>>2]|0,b)|0;if(f[j>>2]|0){rn(d);lk(d);h=f[j>>2]|0;if((h|0)>1){j=a+72|0;i=h;do{h=i;i=i+-2|0;Vi(d,(f[(f[j>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);k=h+-1|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0)}while((h|0)>3)}fd(d,b);tj(d)}j=a+88|0;Nh(f[j>>2]|0,b)|0;if(f[j>>2]|0){rn(d);lk(d);i=f[j>>2]|0;if((i|0)>2){j=a+84|0;h=i;do{i=h;h=h+-3|0;Vi(d,(f[(f[j>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0)!=0);k=i+-2|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0);k=i+-1|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0)}while((i|0)>5)}fd(d,b);tj(d)}j=a+100|0;Nh(f[j>>2]|0,b)|0;if(f[j>>2]|0){rn(d);lk(d);h=f[j>>2]|0;if((h|0)>3){j=a+96|0;i=h;do{h=i;i=i+-4|0;Vi(d,(f[(f[j>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);k=h+-3|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0);k=h+-2|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0);k=h+-1|0;Vi(d,(f[(f[j>>2]|0)+(k>>>5<<2)>>2]&1<<(k&31)|0)!=0)}while((h|0)>7)}fd(d,b);tj(d)}f[g>>2]=f[a+12>>2];j=b+16|0;i=j;h=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&h>>>0>0){l=k;m=h}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;h=j;l=f[h+4>>2]|0;m=f[h>>2]|0}f[g>>2]=f[a+16>>2];if((l|0)>0|(l|0)==0&m>>>0>0){u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;u=c;return 1}function ud(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;c=a+4|0;if(!b){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[c>>2]=0;return}if(b>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(b<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;g=f[c>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=b+-1|0;i=(h&b|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(b>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=c;c=f[g>>2]|0;if(!c)return;else{k=j;l=g;m=c;n=g}a:while(1){g=l;c=m;j=n;b:while(1){c:do if(i){e=c;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=f[e>>2]|0;d:do if(!u)v=e;else{w=d[q>>1]|0;x=q+2|0;y=e;z=u;while(1){A=z+8|0;if(w<<16>>16!=(d[A>>1]|0)){v=y;break d}if((d[x>>1]|0)!=(d[A+2>>1]|0)){v=y;break d}A=f[z>>2]|0;if(!A){v=z;break}else{B=z;z=A;y=B}}}while(0);f[j>>2]=f[v>>2];f[v>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){C=39;break a}}}else{e=c;while(1){u=f[e+4>>2]|0;if(u>>>0>>0)D=u;else D=(u>>>0)%(b>>>0)|0;if((D|0)==(k|0)){p=e;break c}u=(f[a>>2]|0)+(D<<2)|0;if(!(f[u>>2]|0)){r=e;s=D;t=u;break b}u=e+8|0;q=f[e>>2]|0;e:do if(!q)E=e;else{y=d[u>>1]|0;z=u+2|0;x=e;w=q;while(1){B=w+8|0;if(y<<16>>16!=(d[B>>1]|0)){E=x;break e}if((d[z>>1]|0)!=(d[B+2>>1]|0)){E=x;break e}B=f[w>>2]|0;if(!B){E=w;break}else{A=w;w=B;x=A}}}while(0);f[j>>2]=f[E>>2];f[E>>2]=f[f[(f[a>>2]|0)+(D<<2)>>2]>>2];f[f[(f[a>>2]|0)+(D<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){C=39;break a}}}while(0);c=f[p>>2]|0;if(!c){C=39;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){C=39;break}else{k=s;l=r;n=r}}if((C|0)==39)return}function vd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){g=l;d=m;j=n;b:while(1){c:do if(i){e=d;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=f[e>>2]|0;d:do if(!u)v=e;else{w=b[q>>0]|0;x=q+1|0;y=e;z=u;while(1){A=z+8|0;if(w<<24>>24!=(b[A>>0]|0)){v=y;break d}if((b[x>>0]|0)!=(b[A+1>>0]|0)){v=y;break d}A=f[z>>2]|0;if(!A){v=z;break}else{B=z;z=A;y=B}}}while(0);f[j>>2]=f[v>>2];f[v>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){C=39;break a}}}else{e=d;while(1){u=f[e+4>>2]|0;if(u>>>0>>0)D=u;else D=(u>>>0)%(c>>>0)|0;if((D|0)==(k|0)){p=e;break c}u=(f[a>>2]|0)+(D<<2)|0;if(!(f[u>>2]|0)){r=e;s=D;t=u;break b}u=e+8|0;q=f[e>>2]|0;e:do if(!q)E=e;else{y=b[u>>0]|0;z=u+1|0;x=e;w=q;while(1){B=w+8|0;if(y<<24>>24!=(b[B>>0]|0)){E=x;break e}if((b[z>>0]|0)!=(b[B+1>>0]|0)){E=x;break e}B=f[w>>2]|0;if(!B){E=w;break}else{A=w;w=B;x=A}}}while(0);f[j>>2]=f[E>>2];f[E>>2]=f[f[(f[a>>2]|0)+(D<<2)>>2]>>2];f[f[(f[a>>2]|0)+(D<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){C=39;break a}}}while(0);d=f[p>>2]|0;if(!d){C=39;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){C=39;break}else{k=s;l=r;n=r}}if((C|0)==39)return}function wd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;c=u;u=u+48|0;d=c+32|0;e=c+28|0;g=c+16|0;h=c;i=a+16|0;j=f[i>>2]|0;if(j|0){k=f[b>>2]|0;l=i;m=j;a:while(1){j=m;while(1){if((f[j+16>>2]|0)>=(k|0))break;n=f[j+4>>2]|0;if(!n){o=l;break a}else j=n}m=f[j>>2]|0;if(!m){o=j;break}else l=j}if((o|0)!=(i|0)?(k|0)>=(f[o+16>>2]|0):0){p=o;q=p+20|0;u=c;return q|0}}wp(g);f[h>>2]=f[b>>2];b=h+4|0;f[h+8>>2]=0;o=h+12|0;f[o>>2]=0;k=h+8|0;f[b>>2]=k;l=f[g>>2]|0;m=g+4|0;if((l|0)!=(m|0)){n=k;r=l;while(1){l=r+16|0;f[e>>2]=n;f[d>>2]=f[e>>2];Wg(b,d,l,l)|0;l=f[r+4>>2]|0;if(!l){s=r+8|0;t=f[s>>2]|0;if((f[t>>2]|0)==(r|0))v=t;else{t=s;do{s=f[t>>2]|0;t=s+8|0;w=f[t>>2]|0}while((f[w>>2]|0)!=(s|0));v=w}}else{t=l;while(1){j=f[t>>2]|0;if(!j)break;else t=j}v=t}if((v|0)==(m|0))break;else r=v}}v=a+12|0;r=f[i>>2]|0;do if(r){d=f[h>>2]|0;e=a+16|0;n=r;while(1){l=f[n+16>>2]|0;if((d|0)<(l|0)){j=f[n>>2]|0;if(!j){x=23;break}else{y=n;z=j}}else{if((l|0)>=(d|0)){x=27;break}A=n+4|0;l=f[A>>2]|0;if(!l){x=26;break}else{y=A;z=l}}e=y;n=z}if((x|0)==23){B=n;C=n;break}else if((x|0)==26){B=n;C=A;break}else if((x|0)==27){B=n;C=e;break}}else{B=i;C=i}while(0);i=f[C>>2]|0;if(!i){x=dn(32)|0;f[x+16>>2]=f[h>>2];A=x+20|0;f[A>>2]=f[b>>2];z=x+24|0;y=f[h+8>>2]|0;f[z>>2]=y;r=f[o>>2]|0;f[x+28>>2]=r;if(!r)f[A>>2]=z;else{f[y+8>>2]=z;f[b>>2]=k;f[k>>2]=0;f[o>>2]=0}f[x>>2]=0;f[x+4>>2]=0;f[x+8>>2]=B;f[C>>2]=x;B=f[f[v>>2]>>2]|0;if(!B)D=x;else{f[v>>2]=B;D=f[C>>2]|0}Ae(f[a+16>>2]|0,D);D=a+20|0;f[D>>2]=(f[D>>2]|0)+1;E=x}else E=i;sj(h+4|0,f[k>>2]|0);sj(g,f[m>>2]|0);p=E;q=p+20|0;u=c;return q|0}function xd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;d=b[c+11>>0]|0;e=d<<24>>24<0;g=e?f[c>>2]|0:c;i=e?f[c+4>>2]|0:d&255;if(i>>>0>3){d=g;c=i;e=i;while(1){j=X(h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24,1540483477)|0;c=(X(j>>>24^j,1540483477)|0)^(X(c,1540483477)|0);e=e+-4|0;if(e>>>0<=3)break;else d=d+4|0}d=i+-4|0;e=d&-4;k=d-e|0;l=g+(e+4)|0;m=c}else{k=i;l=g;m=i}switch(k|0){case 3:{n=h[l+2>>0]<<16^m;o=6;break}case 2:{n=m;o=6;break}case 1:{p=m;o=7;break}default:q=m}if((o|0)==6){p=h[l+1>>0]<<8^n;o=7}if((o|0)==7)q=X(p^h[l>>0],1540483477)|0;l=X(q>>>13^q,1540483477)|0;q=l>>>15^l;l=f[a+4>>2]|0;if(!l){r=0;return r|0}p=l+-1|0;n=(p&l|0)==0;if(!n)if(q>>>0>>0)s=q;else s=(q>>>0)%(l>>>0)|0;else s=q&p;m=f[(f[a>>2]|0)+(s<<2)>>2]|0;if(!m){r=0;return r|0}a=f[m>>2]|0;if(!a){r=0;return r|0}m=(i|0)==0;if(n){n=a;a:while(1){k=f[n+4>>2]|0;c=(k|0)==(q|0);if(!(c|(k&p|0)==(s|0))){r=0;o=40;break}do if(c?(k=n+8|0,e=b[k+11>>0]|0,d=e<<24>>24<0,j=e&255,((d?f[n+12>>2]|0:j)|0)==(i|0)):0){e=f[k>>2]|0;t=d?e:k;if(d){if(m){r=n;o=40;break a}if(!(Pk(t,g,i)|0)){r=n;o=40;break a}else break}if(m){r=n;o=40;break a}if((b[g>>0]|0)==(e&255)<<24>>24){e=k;k=j;j=g;do{k=k+-1|0;e=e+1|0;if(!k){r=n;o=40;break a}j=j+1|0}while((b[e>>0]|0)==(b[j>>0]|0))}}while(0);n=f[n>>2]|0;if(!n){r=0;o=40;break}}if((o|0)==40)return r|0}else u=a;b:while(1){a=f[u+4>>2]|0;do if((a|0)==(q|0)){n=u+8|0;p=b[n+11>>0]|0;c=p<<24>>24<0;j=p&255;if(((c?f[u+12>>2]|0:j)|0)==(i|0)){p=f[n>>2]|0;e=c?p:n;if(c){if(m){r=u;o=40;break b}if(!(Pk(e,g,i)|0)){r=u;o=40;break b}else break}if(m){r=u;o=40;break b}if((b[g>>0]|0)==(p&255)<<24>>24){p=n;n=j;j=g;do{n=n+-1|0;p=p+1|0;if(!n){r=u;o=40;break b}j=j+1|0}while((b[p>>0]|0)==(b[j>>0]|0))}}}else{if(a>>>0>>0)v=a;else v=(a>>>0)%(l>>>0)|0;if((v|0)!=(s|0)){r=0;o=40;break b}}while(0);u=f[u>>2]|0;if(!u){r=0;o=40;break}}if((o|0)==40)return r|0;return 0}function yd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;c=a+4|0;if(!b){d=f[a>>2]|0;f[a>>2]=0;if(d|0)br(d);f[c>>2]=0;return}if(b>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}d=dn(b<<2)|0;e=f[a>>2]|0;f[a>>2]=d;if(e|0)br(e);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;e=f[c>>2]|0;if(!e)return;d=f[e+4>>2]|0;g=b+-1|0;h=(g&b|0)==0;if(!h)if(d>>>0>>0)i=d;else i=(d>>>0)%(b>>>0)|0;else i=d&g;f[(f[a>>2]|0)+(i<<2)>>2]=c;c=f[e>>2]|0;if(!c)return;else{j=i;k=e;l=c;m=e}a:while(1){e=k;c=l;i=m;b:while(1){c:do if(h){d=c;while(1){n=f[d+4>>2]&g;if((n|0)==(j|0)){o=d;break c}p=(f[a>>2]|0)+(n<<2)|0;if(!(f[p>>2]|0)){q=d;r=n;s=p;break b}p=d+12|0;t=f[d>>2]|0;d:do if(!t)u=d;else{v=f[d+8>>2]|0;w=d;x=t;while(1){if((v|0)!=(f[x+8>>2]|0)){u=w;break d}if((f[p>>2]|0)!=(f[x+12>>2]|0)){u=w;break d}y=f[x>>2]|0;if(!y){u=x;break}else{z=x;x=y;w=z}}}while(0);f[i>>2]=f[u>>2];f[u>>2]=f[f[(f[a>>2]|0)+(n<<2)>>2]>>2];f[f[(f[a>>2]|0)+(n<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){A=39;break a}}}else{d=c;while(1){p=f[d+4>>2]|0;if(p>>>0>>0)B=p;else B=(p>>>0)%(b>>>0)|0;if((B|0)==(j|0)){o=d;break c}p=(f[a>>2]|0)+(B<<2)|0;if(!(f[p>>2]|0)){q=d;r=B;s=p;break b}p=d+12|0;t=f[d>>2]|0;e:do if(!t)C=d;else{w=f[d+8>>2]|0;x=d;v=t;while(1){if((w|0)!=(f[v+8>>2]|0)){C=x;break e}if((f[p>>2]|0)!=(f[v+12>>2]|0)){C=x;break e}z=f[v>>2]|0;if(!z){C=v;break}else{y=v;v=z;x=y}}}while(0);f[i>>2]=f[C>>2];f[C>>2]=f[f[(f[a>>2]|0)+(B<<2)>>2]>>2];f[f[(f[a>>2]|0)+(B<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){A=39;break a}}}while(0);c=f[o>>2]|0;if(!c){A=39;break a}else{e=o;i=o}}f[s>>2]=i;l=f[q>>2]|0;if(!l){A=39;break}else{j=r;k=q;m=q}}if((A|0)==39)return}function zd(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0;h=a+4|0;i=f[c>>2]|0;c=i;do if((i|0)!=(h|0)){j=i+16|0;k=b[j+11>>0]|0;l=k<<24>>24<0;m=l?f[i+20>>2]|0:k&255;k=b[g+11>>0]|0;n=k<<24>>24<0;o=n?f[g+4>>2]|0:k&255;k=m>>>0>>0;p=k?m:o;if((p|0)!=0?(q=Pk(n?f[g>>2]|0:g,l?f[j>>2]|0:j,p)|0,(q|0)!=0):0){if((q|0)<0)break}else r=4;if((r|0)==4?o>>>0>>0:0)break;q=o>>>0>>0?o:m;if((q|0)!=0?(m=Pk(l?f[j>>2]|0:j,n?f[g>>2]|0:g,q)|0,(m|0)!=0):0){if((m|0)>=0)r=37}else r=21;if((r|0)==21?!k:0)r=37;if((r|0)==37){f[d>>2]=c;f[e>>2]=c;s=e;return s|0}k=f[i+4>>2]|0;m=(k|0)==0;if(m){q=i+8|0;j=f[q>>2]|0;if((f[j>>2]|0)==(i|0))t=j;else{j=q;do{q=f[j>>2]|0;j=q+8|0;l=f[j>>2]|0}while((f[l>>2]|0)!=(q|0));t=l}}else{j=k;while(1){l=f[j>>2]|0;if(!l)break;else j=l}t=j}do if((t|0)!=(h|0)){k=t+16|0;l=b[k+11>>0]|0;q=l<<24>>24<0;p=q?f[t+20>>2]|0:l&255;l=p>>>0>>0?p:o;if((l|0)!=0?(u=Pk(n?f[g>>2]|0:g,q?f[k>>2]|0:k,l)|0,(u|0)!=0):0){if((u|0)<0)break}else r=31;if((r|0)==31?o>>>0

>>0:0)break;s=hg(a,d,g)|0;return s|0}while(0);if(m){f[d>>2]=c;s=i+4|0;return s|0}else{f[d>>2]=t;s=t;return s|0}}while(0);t=f[i>>2]|0;do if((f[a>>2]|0)==(i|0))v=c;else{if(!t){h=i;while(1){e=f[h+8>>2]|0;if((f[e>>2]|0)==(h|0))h=e;else{w=e;break}}}else{h=t;while(1){m=f[h+4>>2]|0;if(!m){w=h;break}else h=m}}h=w;m=w+16|0;e=b[g+11>>0]|0;o=e<<24>>24<0;n=o?f[g+4>>2]|0:e&255;e=b[m+11>>0]|0;j=e<<24>>24<0;p=j?f[w+20>>2]|0:e&255;e=n>>>0

>>0?n:p;if((e|0)!=0?(u=Pk(j?f[m>>2]|0:m,o?f[g>>2]|0:g,e)|0,(u|0)!=0):0){if((u|0)<0){v=h;break}}else r=13;if((r|0)==13?p>>>0>>0:0){v=h;break}s=hg(a,d,g)|0;return s|0}while(0);if(!t){f[d>>2]=i;s=i;return s|0}else{f[d>>2]=v;s=v+4|0;return s|0}return 0}function Ad(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;g=u;u=u+16|0;h=g;f[c+48>>2]=d;f[c+44>>2]=e;e=f[c+8>>2]|0;i=c+12|0;j=f[i>>2]|0;if((j|0)!=(e|0)){k=j;do{j=k+-4|0;f[i>>2]=j;l=f[j>>2]|0;f[j>>2]=0;if(l|0)Va[f[(f[l>>2]|0)+4>>2]&127](l);k=f[i>>2]|0}while((k|0)!=(e|0))}e=f[c+20>>2]|0;k=c+24|0;i=f[k>>2]|0;if((i|0)!=(e|0))f[k>>2]=i+(~((i+-4-e|0)>>>2)<<2);e=f[c+32>>2]|0;i=c+36|0;k=f[i>>2]|0;if((k|0)!=(e|0))f[i>>2]=k+(~((k+-4-e|0)>>>2)<<2);if(!(f[c+4>>2]|0)){e=dn(32)|0;f[h>>2]=e;f[h+8>>2]=-2147483616;f[h+4>>2]=23;m=e;n=14670;o=m+23|0;do{b[m>>0]=b[n>>0]|0;m=m+1|0;n=n+1|0}while((m|0)<(o|0));b[e+23>>0]=0;f[a>>2]=-1;dj(a+4|0,h);if((b[h+11>>0]|0)<0)br(f[h>>2]|0);u=g;return}Jd(a,c);if(f[a>>2]|0){u=g;return}e=a+4|0;k=e+11|0;if((b[k>>0]|0)<0)br(f[e>>2]|0);Ji(a,c);if(f[a>>2]|0){u=g;return}if((b[k>>0]|0)<0)br(f[e>>2]|0);if(!(Qa[f[(f[c>>2]|0)+16>>2]&127](c)|0)){i=dn(32)|0;f[h>>2]=i;f[h+8>>2]=-2147483616;f[h+4>>2]=29;m=i;n=14694;o=m+29|0;do{b[m>>0]=b[n>>0]|0;m=m+1|0;n=n+1|0}while((m|0)<(o|0));b[i+29>>0]=0;f[a>>2]=-1;dj(e,h);if((b[h+11>>0]|0)<0)br(f[h>>2]|0);u=g;return}if(!(Qa[f[(f[c>>2]|0)+20>>2]&127](c)|0)){i=dn(32)|0;f[h>>2]=i;f[h+8>>2]=-2147483616;f[h+4>>2]=31;m=i;n=14724;o=m+31|0;do{b[m>>0]=b[n>>0]|0;m=m+1|0;n=n+1|0}while((m|0)<(o|0));b[i+31>>0]=0;f[a>>2]=-1;dj(e,h);if((b[h+11>>0]|0)<0)br(f[h>>2]|0);u=g;return}Wa[f[(f[c>>2]|0)+24>>2]&15](a,c);if(f[a>>2]|0){u=g;return}if((b[k>>0]|0)<0)br(f[e>>2]|0);if(!(Qa[f[(f[c>>2]|0)+28>>2]&127](c)|0)){k=dn(48)|0;f[h>>2]=k;f[h+8>>2]=-2147483600;f[h+4>>2]=34;m=k;n=14756;o=m+34|0;do{b[m>>0]=b[n>>0]|0;m=m+1|0;n=n+1|0}while((m|0)<(o|0));b[k+34>>0]=0;f[a>>2]=-1;dj(e,h);if((b[h+11>>0]|0)<0)br(f[h>>2]|0);u=g;return}e=dn(32)|0;f[h>>2]=e;f[h+8>>2]=-2147483616;f[h+4>>2]=30;m=e;n=14791;o=m+30|0;do{b[m>>0]=b[n>>0]|0;m=m+1|0;n=n+1|0}while((m|0)<(o|0));b[e+30>>0]=0;e=Oj(d,h,0)|0;if((b[h+11>>0]|0)<0)br(f[h>>2]|0);if(e)Va[f[(f[c>>2]|0)+48>>2]&127](c);f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=g;return}function Bd(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;g=a;h=b;i=h;j=c;k=d;l=k;if(!i){m=(e|0)!=0;if(!l){if(m){f[e>>2]=(g>>>0)%(j>>>0);f[e+4>>2]=0}n=0;o=(g>>>0)/(j>>>0)>>>0;return (I=n,o)|0}else{if(!m){n=0;o=0;return (I=n,o)|0}f[e>>2]=a|0;f[e+4>>2]=b&0;n=0;o=0;return (I=n,o)|0}}m=(l|0)==0;do if(j){if(!m){p=(_(l|0)|0)-(_(i|0)|0)|0;if(p>>>0<=31){q=p+1|0;r=31-p|0;s=p-31>>31;t=q;u=g>>>(q>>>0)&s|i<>>(q>>>0)&s;w=0;x=g<>2]=a|0;f[e+4>>2]=h|b&0;n=0;o=0;return (I=n,o)|0}r=j-1|0;if(r&j|0){s=(_(j|0)|0)+33-(_(i|0)|0)|0;q=64-s|0;p=32-s|0;y=p>>31;z=s-32|0;A=z>>31;t=s;u=p-1>>31&i>>>(z>>>0)|(i<>>(s>>>0))&A;v=A&i>>>(s>>>0);w=g<>>(z>>>0))&y|g<>31;break}if(e|0){f[e>>2]=r&g;f[e+4>>2]=0}if((j|0)==1){n=h|b&0;o=a|0|0;return (I=n,o)|0}else{r=im(j|0)|0;n=i>>>(r>>>0)|0;o=i<<32-r|g>>>(r>>>0)|0;return (I=n,o)|0}}else{if(m){if(e|0){f[e>>2]=(i>>>0)%(j>>>0);f[e+4>>2]=0}n=0;o=(i>>>0)/(j>>>0)>>>0;return (I=n,o)|0}if(!g){if(e|0){f[e>>2]=0;f[e+4>>2]=(i>>>0)%(l>>>0)}n=0;o=(i>>>0)/(l>>>0)>>>0;return (I=n,o)|0}r=l-1|0;if(!(r&l)){if(e|0){f[e>>2]=a|0;f[e+4>>2]=r&i|b&0}n=0;o=i>>>((im(l|0)|0)>>>0);return (I=n,o)|0}r=(_(l|0)|0)-(_(i|0)|0)|0;if(r>>>0<=30){s=r+1|0;p=31-r|0;t=s;u=i<>>(s>>>0);v=i>>>(s>>>0);w=0;x=g<>2]=a|0;f[e+4>>2]=h|b&0;n=0;o=0;return (I=n,o)|0}while(0);if(!t){B=x;C=w;D=v;E=u;F=0;G=0}else{b=c|0|0;c=k|d&0;d=Tn(b|0,c|0,-1,-1)|0;k=I;h=x;x=w;w=v;v=u;u=t;t=0;do{a=h;h=x>>>31|h<<1;x=t|x<<1;g=v<<1|a>>>31|0;a=v>>>31|w<<1|0;Vn(d|0,k|0,g|0,a|0)|0;i=I;l=i>>31|((i|0)<0?-1:0)<<1;t=l&1;v=Vn(g|0,a|0,l&b|0,(((i|0)<0?-1:0)>>31|((i|0)<0?-1:0)<<1)&c|0)|0;w=I;u=u-1|0}while((u|0)!=0);B=h;C=x;D=w;E=v;F=0;G=t}t=C;C=0;if(e|0){f[e>>2]=E;f[e+4>>2]=D}n=(t|0)>>>31|(B|C)<<1|(C<<1|t>>>31)&0|F;o=(t<<1|0>>>31)&-2|G;return (I=n,o)|0}function Cd(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;c=u;u=u+32|0;d=c+4|0;e=c;g=c+16|0;h=a+48|0;i=f[h>>2]|0;j=dn(32)|0;f[d>>2]=j;f[d+8>>2]=-2147483616;f[d+4>>2]=20;k=j;l=13101;m=k+20|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[j+20>>0]=0;j=vk(i+24|0,d)|0;if((b[d+11>>0]|0)<0)br(f[d>>2]|0);i=f[h>>2]|0;n=dn(32)|0;f[d>>2]=n;f[d+8>>2]=-2147483616;f[d+4>>2]=22;k=n;l=13122;m=k+22|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[n+22>>0]=0;n=vk(i+24|0,d)|0;if((b[d+11>>0]|0)<0)br(f[d>>2]|0);i=a+64|0;o=f[i>>2]|0;f[i>>2]=0;if(o|0)Va[f[(f[o>>2]|0)+4>>2]&127](o);o=f[a+56>>2]|0;p=(((f[o+100>>2]|0)-(f[o+96>>2]|0)|0)/12|0)>>>0<1e3;o=f[h>>2]|0;q=dn(32)|0;f[d>>2]=q;f[d+8>>2]=-2147483616;f[d+4>>2]=18;k=q;l=13145;m=k+18|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[q+18>>0]=0;q=yk(o,d,-1)|0;if((b[d+11>>0]|0)<0)br(f[d>>2]|0);switch(q|0){case -1:{if(j?p|((Yh(f[h>>2]|0)|0)>4|n^1):0)r=13;else r=17;break}case 0:{if(j)r=13;else r=21;break}case 2:{r=17;break}default:r=21}if((r|0)==13){j=f[a+44>>2]|0;b[g>>0]=0;n=j+16|0;h=f[n+4>>2]|0;if(!((h|0)>0|(h|0)==0&(f[n>>2]|0)>>>0>0)){f[e>>2]=f[j+4>>2];f[d>>2]=f[e>>2];ye(j,d,g,g+1|0)|0}j=dn(296)|0;Ni(j);n=f[i>>2]|0;f[i>>2]=j;if(!n)s=j;else{Va[f[(f[n>>2]|0)+4>>2]&127](n);r=21}}else if((r|0)==17){n=f[a+44>>2]|0;b[g>>0]=2;j=n+16|0;h=f[j+4>>2]|0;if(!((h|0)>0|(h|0)==0&(f[j>>2]|0)>>>0>0)){f[e>>2]=f[n+4>>2];f[d>>2]=f[e>>2];ye(n,d,g,g+1|0)|0}g=dn(360)|0;ji(g);d=f[i>>2]|0;f[i>>2]=g;if(!d)s=g;else{Va[f[(f[d>>2]|0)+4>>2]&127](d);r=21}}if((r|0)==21){r=f[i>>2]|0;if(!r){t=0;u=c;return t|0}else s=r}t=Ra[f[(f[s>>2]|0)+8>>2]&127](s,a)|0;u=c;return t|0}function Dd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;e=b+12|0;g=f[e>>2]|0;h=c+4|0;i=(f[h>>2]|0)-g|0;j=c;f[j>>2]=(f[c>>2]|0)-g;f[j+4>>2]=i;i=(f[d>>2]|0)-g|0;j=d+4|0;k=(f[j>>2]|0)-g|0;g=d;f[g>>2]=i;f[g+4>>2]=k;g=f[e>>2]|0;if((((k|0)>-1?k:0-k|0)+((i|0)>-1?i:0-i|0)|0)>(g|0)){l=f[c>>2]|0;m=f[h>>2]|0;if((l|0)>-1)if((m|0)<=-1)if((l|0)<1){n=-1;o=-1}else p=6;else{n=1;o=1}else if((m|0)<1){n=-1;o=-1}else p=6;if((p|0)==6){n=(l|0)>0?1:-1;o=(m|0)>0?1:-1}q=X(g,n)|0;r=X(g,o)|0;g=(l<<1)-q|0;f[c>>2]=g;l=(m<<1)-r|0;f[h>>2]=l;if((X(n,o)|0)>-1){o=0-l|0;f[c>>2]=o;s=0-g|0;t=o}else{f[c>>2]=l;s=g;t=l}f[c>>2]=(t+q|0)/2|0;f[h>>2]=(s+r|0)/2|0;r=f[d>>2]|0;s=f[j>>2]|0;if((r|0)>-1)if((s|0)<=-1)if((r|0)<1){u=-1;v=-1}else p=14;else{u=1;v=1}else if((s|0)<1){u=-1;v=-1}else p=14;if((p|0)==14){u=(r|0)>0?1:-1;v=(s|0)>0?1:-1}q=f[e>>2]|0;e=X(q,u)|0;t=X(q,v)|0;q=(r<<1)-e|0;f[d>>2]=q;r=(s<<1)-t|0;f[j>>2]=r;if((X(u,v)|0)>-1){v=0-r|0;f[d>>2]=v;w=0-q|0;x=v}else{f[d>>2]=r;w=q;x=r}r=(x+e|0)/2|0;f[d>>2]=r;e=(w+t|0)/2|0;f[j>>2]=e;y=r;z=e}else{y=i;z=k}if(!y)if(!z){A=y;B=z}else p=22;else if((y|0)<0&(z|0)<1){A=y;B=z}else p=22;if((p|0)==22){if(!y)C=(z|0)==0?0:(z|0)>0?3:1;else C=(y|0)>0?(z>>31)+2|0:(z|0)<1?0:3;z=f[c>>2]|0;y=f[h>>2]|0;switch(C|0){case 1:{C=c;f[C>>2]=y;f[C+4>>2]=0-z;D=f[j>>2]|0;E=0-(f[d>>2]|0)|0;break}case 2:{C=c;f[C>>2]=0-z;f[C+4>>2]=0-y;D=0-(f[d>>2]|0)|0;E=0-(f[j>>2]|0)|0;break}case 3:{C=c;f[C>>2]=0-y;f[C+4>>2]=z;D=0-(f[j>>2]|0)|0;E=f[d>>2]|0;break}default:{C=c;f[C>>2]=z;f[C+4>>2]=y;D=f[d>>2]|0;E=f[j>>2]|0}}j=d;f[j>>2]=D;f[j+4>>2]=E;A=D;B=E}E=(f[c>>2]|0)-A|0;f[a>>2]=E;A=(f[h>>2]|0)-B|0;B=a+4|0;f[B>>2]=A;if((E|0)<0)F=(f[b+4>>2]|0)+E|0;else F=E;f[a>>2]=F;if((A|0)>=0){G=A;f[B>>2]=G;return}G=(f[b+4>>2]|0)+A|0;f[B>>2]=G;return}function Ed(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0;c=a+4|0;if(!b){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[c>>2]=0;return}if(b>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(b<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;g=f[c>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=b+-1|0;i=(h&b|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(b>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=c;c=f[g>>2]|0;if(!c)return;else{k=j;l=g;m=c;n=g}a:while(1){b:do if(i){g=l;c=m;j=n;while(1){e=c;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0))break;p=(f[a>>2]|0)+(o<<2)|0;if(!(f[p>>2]|0)){q=e;r=j;s=o;t=p;break b}p=e+8|0;u=e;while(1){v=f[u>>2]|0;if(!v)break;if((d[p>>1]|0)==(d[v+8>>1]|0))u=v;else break}f[j>>2]=v;f[u>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;p=f[g>>2]|0;if(!p){w=37;break a}else e=p}c=f[e>>2]|0;if(!c){w=37;break a}else{g=e;j=e}}}else{j=l;g=m;c=n;while(1){p=g;while(1){x=f[p+4>>2]|0;if(x>>>0>>0)y=x;else y=(x>>>0)%(b>>>0)|0;if((y|0)==(k|0))break;x=(f[a>>2]|0)+(y<<2)|0;if(!(f[x>>2]|0)){q=p;r=c;s=y;t=x;break b}x=p+8|0;z=p;while(1){A=f[z>>2]|0;if(!A)break;if((d[x>>1]|0)==(d[A+8>>1]|0))z=A;else break}f[c>>2]=A;f[z>>2]=f[f[(f[a>>2]|0)+(y<<2)>>2]>>2];f[f[(f[a>>2]|0)+(y<<2)>>2]>>2]=p;x=f[j>>2]|0;if(!x){w=37;break a}else p=x}g=f[p>>2]|0;if(!g){w=37;break a}else{j=p;c=p}}}while(0);f[t>>2]=r;m=f[q>>2]|0;if(!m){w=37;break}else{k=s;l=q;n=q}}if((w|0)==37)return}function Fd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){b:do if(i){g=l;d=m;j=n;while(1){e=d;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0))break;p=(f[a>>2]|0)+(o<<2)|0;if(!(f[p>>2]|0)){q=e;r=j;s=o;t=p;break b}p=e+8|0;u=e;while(1){v=f[u>>2]|0;if(!v)break;if((b[p>>0]|0)==(b[v+8>>0]|0))u=v;else break}f[j>>2]=v;f[u>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;p=f[g>>2]|0;if(!p){w=37;break a}else e=p}d=f[e>>2]|0;if(!d){w=37;break a}else{g=e;j=e}}}else{j=l;g=m;d=n;while(1){p=g;while(1){x=f[p+4>>2]|0;if(x>>>0>>0)y=x;else y=(x>>>0)%(c>>>0)|0;if((y|0)==(k|0))break;x=(f[a>>2]|0)+(y<<2)|0;if(!(f[x>>2]|0)){q=p;r=d;s=y;t=x;break b}x=p+8|0;z=p;while(1){A=f[z>>2]|0;if(!A)break;if((b[x>>0]|0)==(b[A+8>>0]|0))z=A;else break}f[d>>2]=A;f[z>>2]=f[f[(f[a>>2]|0)+(y<<2)>>2]>>2];f[f[(f[a>>2]|0)+(y<<2)>>2]>>2]=p;x=f[j>>2]|0;if(!x){w=37;break a}else p=x}g=f[p>>2]|0;if(!g){w=37;break a}else{j=p;d=p}}}while(0);f[t>>2]=r;m=f[q>>2]|0;if(!m){w=37;break}else{k=s;l=q;n=q}}if((w|0)==37)return}function Gd(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;g=f[c>>2]|0;c=f[b>>2]|0;h=g-c|0;i=a+8|0;j=f[i>>2]|0;if(h>>>0<64){if(j>>>0<=1){k=0;return k|0}l=f[e>>2]|0;m=0;n=1;while(1){o=(f[l+(m<<2)>>2]|0)>>>0>(f[l+(n<<2)>>2]|0)>>>0?n:m;n=n+1|0;if(n>>>0>=j>>>0){k=o;break}else m=o}return k|0}if(j){j=f[a+1128>>2]|0;m=f[e>>2]|0;e=f[a+1140>>2]|0;n=f[d>>2]|0;d=b+4|0;l=b+8|0;if((g|0)==(c|0)){b=0;do{o=j+(b<<2)|0;f[o>>2]=0;p=(f[a>>2]|0)-(f[m+(b<<2)>>2]|0)|0;f[e+(b<<2)>>2]=p;if(p|0){p=f[o>>2]|0;q=h-p|0;f[o>>2]=q>>>0

>>0?p:q}b=b+1|0;q=f[i>>2]|0}while(b>>>0>>0);r=q}else{b=0;do{q=j+(b<<2)|0;f[q>>2]=0;p=(f[a>>2]|0)-(f[m+(b<<2)>>2]|0)|0;f[e+(b<<2)>>2]=p;if(p|0){o=(f[n+(b<<2)>>2]|0)+(1<>2]|0;s=f[(f[d>>2]|0)+24>>2]|0;t=c;u=f[q>>2]|0;do{v=s+((X(t,p)|0)<<2)+(b<<2)|0;u=u+((f[v>>2]|0)>>>0>>0&1)|0;f[q>>2]=u;t=t+1|0}while((t|0)!=(g|0));t=h-u|0;f[q>>2]=t>>>0>>0?u:t}b=b+1|0;t=f[i>>2]|0}while(b>>>0>>0);r=t}if(r){b=f[a+1140>>2]|0;i=a+1128|0;h=0;g=0;c=0;while(1){if(!(f[b+(g<<2)>>2]|0)){w=h;x=c}else{d=f[(f[i>>2]|0)+(g<<2)>>2]|0;l=h>>>0>>0;w=l?d:h;x=l?g:c}g=g+1|0;if(g>>>0>=r>>>0){y=x;break}else{h=w;c=x}}}else y=0}else y=0;x=a+1088|0;c=a+1104|0;w=f[c>>2]|0;h=32-w|0;if((h|0)<4){r=y&15;g=4-h|0;f[c>>2]=g;h=a+1100|0;i=f[h>>2]|r>>>g;f[h>>2]=i;g=a+1092|0;b=f[g>>2]|0;if((b|0)==(f[a+1096>>2]|0))Ci(x,h);else{f[b>>2]=i;f[g>>2]=b+4}f[h>>2]=r<<32-(f[c>>2]|0);k=y;return k|0}r=a+1100|0;h=f[r>>2]|y<<28>>>w;f[r>>2]=h;b=w+4|0;f[c>>2]=b;if((b|0)!=32){k=y;return k|0}b=a+1092|0;w=f[b>>2]|0;if((w|0)==(f[a+1096>>2]|0))Ci(x,r);else{f[w>>2]=h;f[b>>2]=w+4}f[r>>2]=0;f[c>>2]=0;k=y;return k|0}function Hd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0;c=a+4|0;if(!b){d=f[a>>2]|0;f[a>>2]=0;if(d|0)br(d);f[c>>2]=0;return}if(b>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}d=dn(b<<2)|0;e=f[a>>2]|0;f[a>>2]=d;if(e|0)br(e);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;e=f[c>>2]|0;if(!e)return;d=f[e+4>>2]|0;g=b+-1|0;h=(g&b|0)==0;if(!h)if(d>>>0>>0)i=d;else i=(d>>>0)%(b>>>0)|0;else i=d&g;f[(f[a>>2]|0)+(i<<2)>>2]=c;c=f[e>>2]|0;if(!c)return;else{j=i;k=e;l=c;m=e}a:while(1){b:do if(h){e=k;c=l;i=m;while(1){d=c;while(1){n=f[d+4>>2]&g;if((n|0)==(j|0))break;o=(f[a>>2]|0)+(n<<2)|0;if(!(f[o>>2]|0)){p=d;q=i;r=n;s=o;break b}o=d+8|0;t=d;while(1){u=f[t>>2]|0;if(!u)break;if((f[o>>2]|0)==(f[u+8>>2]|0))t=u;else break}f[i>>2]=u;f[t>>2]=f[f[(f[a>>2]|0)+(n<<2)>>2]>>2];f[f[(f[a>>2]|0)+(n<<2)>>2]>>2]=d;o=f[e>>2]|0;if(!o){v=37;break a}else d=o}c=f[d>>2]|0;if(!c){v=37;break a}else{e=d;i=d}}}else{i=k;e=l;c=m;while(1){o=e;while(1){w=f[o+4>>2]|0;if(w>>>0>>0)x=w;else x=(w>>>0)%(b>>>0)|0;if((x|0)==(j|0))break;w=(f[a>>2]|0)+(x<<2)|0;if(!(f[w>>2]|0)){p=o;q=c;r=x;s=w;break b}w=o+8|0;y=o;while(1){z=f[y>>2]|0;if(!z)break;if((f[w>>2]|0)==(f[z+8>>2]|0))y=z;else break}f[c>>2]=z;f[y>>2]=f[f[(f[a>>2]|0)+(x<<2)>>2]>>2];f[f[(f[a>>2]|0)+(x<<2)>>2]>>2]=o;w=f[i>>2]|0;if(!w){v=37;break a}else o=w}e=f[o>>2]|0;if(!e){v=37;break a}else{i=o;c=o}}}while(0);f[s>>2]=q;l=f[p>>2]|0;if(!l){v=37;break}else{j=r;k=p;m=p}}if((v|0)==37)return}function Id(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)br(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}e=dn(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)br(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;e=a+24|0;k=j;j=g;l=d;d=g;a:while(1){g=j;m=l;n=d;b:while(1){o=m;while(1){p=f[o+4>>2]|0;if(!i)if(p>>>0>>0)q=p;else q=(p>>>0)%(c>>>0)|0;else q=p&h;if((q|0)==(k|0))break;r=(f[a>>2]|0)+(q<<2)|0;if(!(f[r>>2]|0))break b;p=f[o>>2]|0;c:do if(!p)s=o;else{t=f[o+8>>2]|0;u=f[e>>2]|0;v=f[u+8>>2]|0;w=(f[u+12>>2]|0)-v|0;u=v;v=w>>>2;if((w|0)>0){x=o;y=p}else{w=p;while(1){z=f[w>>2]|0;if(!z){s=w;break c}else w=z}}while(1){w=f[y+8>>2]|0;z=0;do{A=f[u+(z<<2)>>2]|0;if(!(b[A+84>>0]|0)){B=f[A+68>>2]|0;C=f[B+(w<<2)>>2]|0;D=f[B+(t<<2)>>2]|0}else{C=w;D=t}z=z+1|0;if((D|0)!=(C|0)){s=x;break c}}while((z|0)<(v|0));z=f[y>>2]|0;if(!z){s=y;break}else{w=y;y=z;x=w}}}while(0);f[n>>2]=f[s>>2];f[s>>2]=f[f[(f[a>>2]|0)+(q<<2)>>2]>>2];f[f[(f[a>>2]|0)+(q<<2)>>2]>>2]=o;p=f[g>>2]|0;if(!p){E=38;break a}else o=p}m=f[o>>2]|0;if(!m){E=38;break a}else{g=o;n=o}}f[r>>2]=n;l=f[o>>2]|0;if(!l){E=38;break}else{k=q;j=o;d=o}}if((E|0)==38)return}function Jd(a,c){a=a|0;c=c|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0;e=u;u=u+16|0;g=e+4|0;h=e;i=e+12|0;j=e+11|0;k=e+10|0;l=e+8|0;m=c+44|0;n=f[m>>2]|0;o=n+16|0;p=f[o+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0)){f[h>>2]=f[n+4>>2];f[g>>2]=f[h>>2];ye(n,g,14849,14854)|0}n=Qa[f[(f[c>>2]|0)+8>>2]&127](c)|0;b[i>>0]=n;b[j>>0]=2;b[k>>0]=(n&255|0)==0?3:2;n=f[m>>2]|0;o=n+16|0;p=f[o+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0)){f[h>>2]=f[n+4>>2];f[g>>2]=f[h>>2];ye(n,g,j,j+1|0)|0;j=f[m>>2]|0;o=j+16|0;p=f[o+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0)){f[h>>2]=f[j+4>>2];f[g>>2]=f[h>>2];ye(j,g,k,k+1|0)|0;k=f[m>>2]|0;o=k+16|0;p=f[o+4>>2]|0;if((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0){q=h;r=k}else{f[h>>2]=f[k+4>>2];f[g>>2]=f[h>>2];ye(k,g,i,i+1|0)|0;q=h;r=f[m>>2]|0}}else{s=h;t=j;v=6}}else{s=h;t=n;v=6}if((v|0)==6){q=h;r=t}t=Qa[f[(f[c>>2]|0)+12>>2]&127](c)|0;b[l>>0]=t;t=r+16|0;q=f[t+4>>2]|0;if(!((q|0)>0|(q|0)==0&(f[t>>2]|0)>>>0>0)){f[h>>2]=f[r+4>>2];f[g>>2]=f[h>>2];ye(r,g,l,l+1|0)|0}d[l>>1]=(f[(f[c+4>>2]|0)+4>>2]|0)==0?0:-32768;c=f[m>>2]|0;m=c+16|0;r=f[m+4>>2]|0;if((r|0)>0|(r|0)==0&(f[m>>2]|0)>>>0>0){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}f[h>>2]=f[c+4>>2];f[g>>2]=f[h>>2];ye(c,g,l,l+2|0)|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}function Kd(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=Oa,x=0,y=Oa,z=Oa,A=Oa,B=Oa;e=u;u=u+16|0;g=e;h=a+4|0;if((f[h>>2]|0)!=-1){i=0;u=e;return i|0}f[h>>2]=d;d=b[c+24>>0]|0;h=d<<24>>24;j=a+20|0;n[j>>2]=$(0.0);f[g>>2]=0;k=g+4|0;f[k>>2]=0;f[g+8>>2]=0;do if(d<<24>>24)if(d<<24>>24<0)mq(g);else{l=h<<2;m=dn(l)|0;f[g>>2]=m;o=m+(h<<2)|0;f[g+8>>2]=o;hj(m|0,0,l|0)|0;l=m+(h<<2)|0;f[k>>2]=l;p=m;q=l;r=o;break}else{p=0;q=0;r=0}while(0);k=a+8|0;g=f[k>>2]|0;o=a+12|0;if(!g)s=a+16|0;else{l=f[o>>2]|0;if((l|0)!=(g|0))f[o>>2]=l+(~((l+-4-g|0)>>>2)<<2);br(g);g=a+16|0;f[g>>2]=0;f[o>>2]=0;f[k>>2]=0;s=g}f[k>>2]=p;f[o>>2]=q;f[s>>2]=r;r=h>>>0>1073741823?-1:h<<2;s=_q(r)|0;q=_q(r)|0;r=c+48|0;o=f[r>>2]|0;g=c+40|0;a=f[g>>2]|0;l=f[c>>2]|0;Rg(q|0,(f[l>>2]|0)+o|0,a|0)|0;Rg(p|0,(f[l>>2]|0)+o|0,a|0)|0;a=r;r=f[a>>2]|0;o=f[a+4>>2]|0;a=g;g=f[a>>2]|0;l=f[a+4>>2]|0;a=f[c>>2]|0;Rg(s|0,(f[a>>2]|0)+r|0,g|0)|0;p=f[c+80>>2]|0;a:do if(p>>>0>1){if(d<<24>>24<=0){c=1;while(1){m=on(g|0,l|0,c|0,0)|0;t=Tn(m|0,I|0,r|0,o|0)|0;Rg(q|0,(f[a>>2]|0)+t|0,g|0)|0;c=c+1|0;if(c>>>0>=p>>>0)break a}}c=f[k>>2]|0;t=1;do{m=on(g|0,l|0,t|0,0)|0;v=Tn(m|0,I|0,r|0,o|0)|0;Rg(q|0,(f[a>>2]|0)+v|0,g|0)|0;v=0;do{m=c+(v<<2)|0;w=$(n[m>>2]);x=q+(v<<2)|0;y=$(n[x>>2]);if(w>y){n[m>>2]=y;z=$(n[x>>2])}else z=y;x=s+(v<<2)|0;if($(n[x>>2])>2]=z;v=v+1|0}while((v|0)!=(h|0));t=t+1|0}while(t>>>0

>>0)}while(0);if(d<<24>>24>0){d=f[k>>2]|0;k=0;z=$(n[j>>2]);while(1){y=$(n[s+(k<<2)>>2]);w=$(y-$(n[d+(k<<2)>>2]));if(w>z){n[j>>2]=w;A=w}else A=z;k=k+1|0;if((k|0)==(h|0)){B=A;break}else z=A}}else B=$(n[j>>2]);if(B==$(0.0))n[j>>2]=$(1.0);$q(q);$q(s);i=1;u=e;return i|0}function Ld(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;g=a+8|0;Ah(g,b,d,e);h=d-e|0;if((h|0)>0){d=0-e|0;i=a+16|0;j=a+32|0;k=a+12|0;l=a+28|0;m=a+20|0;n=a+24|0;o=h;h=f[g>>2]|0;while(1){p=b+(o<<2)|0;q=c+(o<<2)|0;if((h|0)>0){r=0;s=p+(d<<2)|0;t=h;while(1){if((t|0)>0){u=0;do{v=f[s+(u<<2)>>2]|0;w=f[i>>2]|0;if((v|0)>(w|0)){x=f[j>>2]|0;f[x+(u<<2)>>2]=w;y=x}else{x=f[k>>2]|0;w=f[j>>2]|0;f[w+(u<<2)>>2]=(v|0)<(x|0)?x:v;y=w}u=u+1|0}while((u|0)<(f[g>>2]|0));z=y}else z=f[j>>2]|0;u=(f[p+(r<<2)>>2]|0)-(f[z+(r<<2)>>2]|0)|0;w=q+(r<<2)|0;f[w>>2]=u;if((u|0)>=(f[l>>2]|0)){if((u|0)>(f[n>>2]|0)){A=u-(f[m>>2]|0)|0;B=31}}else{A=(f[m>>2]|0)+u|0;B=31}if((B|0)==31){B=0;f[w>>2]=A}r=r+1|0;w=f[g>>2]|0;if((r|0)>=(w|0)){C=w;break}else{s=z;t=w}}}else C=h;o=o-e|0;if((o|0)<=0){D=C;break}else h=C}}else D=f[g>>2]|0;C=e>>>0>1073741823?-1:e<<2;e=_q(C)|0;hj(e|0,0,C|0)|0;if((D|0)<=0){$q(e);return 1}C=a+16|0;h=a+32|0;o=a+12|0;z=a+28|0;A=a+20|0;m=a+24|0;a=0;n=e;l=D;while(1){if((l|0)>0){D=0;do{j=f[n+(D<<2)>>2]|0;y=f[C>>2]|0;if((j|0)>(y|0)){k=f[h>>2]|0;f[k+(D<<2)>>2]=y;E=k}else{k=f[o>>2]|0;y=f[h>>2]|0;f[y+(D<<2)>>2]=(j|0)<(k|0)?k:j;E=y}D=D+1|0}while((D|0)<(f[g>>2]|0));F=E}else F=f[h>>2]|0;D=(f[b+(a<<2)>>2]|0)-(f[F+(a<<2)>>2]|0)|0;y=c+(a<<2)|0;f[y>>2]=D;if((D|0)>=(f[z>>2]|0)){if((D|0)>(f[m>>2]|0)){G=D-(f[A>>2]|0)|0;B=16}}else{G=(f[A>>2]|0)+D|0;B=16}if((B|0)==16){B=0;f[y>>2]=G}a=a+1|0;l=f[g>>2]|0;if((a|0)>=(l|0))break;else n=F}$q(e);return 1}function Md(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;e=f[a>>2]|0;g=e;h=(f[b>>2]|0)-g|0;b=e+(h>>2<<2)|0;i=f[c>>2]|0;c=f[d>>2]|0;d=c-i|0;j=d>>2;k=i;l=c;if((d|0)<=0){m=b;return m|0}d=a+8|0;n=f[d>>2]|0;o=a+4|0;p=f[o>>2]|0;q=p;if((j|0)<=(n-q>>2|0)){r=b;s=q-r|0;t=s>>2;if((j|0)>(t|0)){u=k+(t<<2)|0;t=u;if((u|0)==(l|0))v=p;else{w=l+-4-t|0;x=u;u=p;while(1){f[u>>2]=f[x>>2];x=x+4|0;if((x|0)==(l|0))break;else u=u+4|0}u=p+((w>>>2)+1<<2)|0;f[o>>2]=u;v=u}if((s|0)>0){y=t;z=v}else{m=b;return m|0}}else{y=c;z=p}c=z-(b+(j<<2))>>2;v=b+(c<<2)|0;if(v>>>0

>>0){t=(p+(0-c<<2)+~r|0)>>>2;r=v;s=z;while(1){f[s>>2]=f[r>>2];r=r+4|0;if(r>>>0>=p>>>0)break;else s=s+4|0}f[o>>2]=z+(t+1<<2)}if(c|0){c=v;v=z;do{c=c+-4|0;v=v+-4|0;f[v>>2]=f[c>>2]}while((c|0)!=(b|0))}c=y;if((k|0)==(c|0)){m=b;return m|0}else{A=b;B=k}while(1){f[A>>2]=f[B>>2];B=B+4|0;if((B|0)==(c|0)){m=b;break}else A=A+4|0}return m|0}A=(q-g>>2)+j|0;if(A>>>0>1073741823)mq(a);j=n-g|0;g=j>>1;n=j>>2>>>0<536870911?(g>>>0>>0?A:g):1073741823;g=b;A=h>>2;do if(n)if(n>>>0>1073741823){j=ra(8)|0;Wo(j,14941);f[j>>2]=6944;va(j|0,1080,114)}else{j=dn(n<<2)|0;C=j;D=j;break}else{C=0;D=0}while(0);j=D+(A<<2)|0;A=D+(n<<2)|0;if((l|0)==(k|0))E=j;else{n=((l+-4-i|0)>>>2)+1|0;i=k;k=j;while(1){f[k>>2]=f[i>>2];i=i+4|0;if((i|0)==(l|0))break;else k=k+4|0}E=j+(n<<2)|0}if((h|0)>0)Rg(C|0,e|0,h|0)|0;h=q-g|0;if((h|0)>0){Rg(E|0,b|0,h|0)|0;F=E+(h>>>2<<2)|0}else F=E;f[a>>2]=D;f[o>>2]=F;f[d>>2]=A;if(!e){m=j;return m|0}br(e);m=j;return m|0}function Nd(a,b,c,d,e,g,h){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0;switch(c|0){case 1:{c=dn(60)|0;f[c>>2]=1528;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];_j(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=1948;i=c;f[a>>2]=i;return}case 4:{c=dn(168)|0;Ei(c,d,e,g);i=c;f[a>>2]=i;return}case 5:{c=dn(104)|0;f[c>>2]=1528;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];_j(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2004;f[c+60>>2]=0;f[c+64>>2]=0;f[c+76>>2]=0;f[c+80>>2]=0;f[c+84>>2]=0;h=c+88|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];i=c;f[a>>2]=i;return}case 6:{c=dn(140)|0;f[c>>2]=1528;f[c+4>>2]=d;d=c+8|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];f[d+16>>2]=f[e+16>>2];f[d+20>>2]=f[e+20>>2];_j(c+32|0,e+24|0);e=c+44|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c>>2]=2060;f[c+64>>2]=0;f[c+68>>2]=0;e=c+72|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c+60>>2]=2116;f[c+88>>2]=1;g=c+92|0;f[g>>2]=-1;f[g+4>>2]=-1;f[g+8>>2]=-1;f[g+12>>2]=-1;rn(c+108|0);i=c;f[a>>2]=i;return}default:{i=0;f[a>>2]=i;return}}}function Od(a,b,c,d,e,g,h){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0;switch(c|0){case 1:{c=dn(60)|0;f[c>>2]=1528;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];_j(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=1640;i=c;f[a>>2]=i;return}case 4:{c=dn(168)|0;Hi(c,d,e,g);i=c;f[a>>2]=i;return}case 5:{c=dn(104)|0;f[c>>2]=1528;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];_j(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=1696;f[c+60>>2]=0;f[c+64>>2]=0;f[c+76>>2]=0;f[c+80>>2]=0;f[c+84>>2]=0;h=c+88|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];i=c;f[a>>2]=i;return}case 6:{c=dn(140)|0;f[c>>2]=1528;f[c+4>>2]=d;d=c+8|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];f[d+16>>2]=f[e+16>>2];f[d+20>>2]=f[e+20>>2];_j(c+32|0,e+24|0);e=c+44|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c>>2]=1752;f[c+64>>2]=0;f[c+68>>2]=0;e=c+72|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c+60>>2]=1808;f[c+88>>2]=1;g=c+92|0;f[g>>2]=-1;f[g+4>>2]=-1;f[g+8>>2]=-1;f[g+12>>2]=-1;rn(c+108|0);i=c;f[a>>2]=i;return}default:{i=0;f[a>>2]=i;return}}}function Pd(a,b,c,d,e,g,h){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0,j=0;switch(c|0){case 1:{c=dn(40)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2628;i=c;f[a>>2]=i;return}case 4:{c=dn(152)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2684;h=c+96|0;b=c+40|0;j=b+52|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(j|0));Sm(h);f[c+136>>2]=0;f[c+140>>2]=0;f[c+144>>2]=0;i=c;f[a>>2]=i;return}case 5:{c=dn(84)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2740;f[c+40>>2]=0;f[c+44>>2]=0;f[c+56>>2]=0;f[c+60>>2]=0;f[c+64>>2]=0;h=c+68|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];i=c;f[a>>2]=i;return}case 6:{c=dn(120)|0;f[c+4>>2]=d;d=c+8|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];e=c+24|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c>>2]=2796;f[c+44>>2]=0;f[c+48>>2]=0;e=c+52|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c+40>>2]=2852;f[c+68>>2]=1;g=c+72|0;f[g>>2]=-1;f[g+4>>2]=-1;f[g+8>>2]=-1;f[g+12>>2]=-1;rn(c+88|0);i=c;f[a>>2]=i;return}default:{i=0;f[a>>2]=i;return}}}function Qd(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;switch(b-a>>2|0){case 2:{d=b+-4|0;e=f[d>>2]|0;g=f[a>>2]|0;h=f[c>>2]|0;i=f[h>>2]|0;j=(f[h+4>>2]|0)-i>>3;if(j>>>0<=e>>>0)mq(h);k=i;if(j>>>0<=g>>>0)mq(h);if((f[k+(e<<3)>>2]|0)>>>0>=(f[k+(g<<3)>>2]|0)>>>0){l=1;return l|0}f[a>>2]=e;f[d>>2]=g;l=1;return l|0}case 3:{Cg(a,a+4|0,b+-4|0,c)|0;l=1;return l|0}case 4:{Qg(a,a+4|0,a+8|0,b+-4|0,c)|0;l=1;return l|0}case 5:{Tf(a,a+4|0,a+8|0,a+12|0,b+-4|0,c)|0;l=1;return l|0}case 1:case 0:{l=1;return l|0}default:{g=a+8|0;Cg(a,a+4|0,g,c)|0;d=a+12|0;a:do if((d|0)!=(b|0)){e=f[c>>2]|0;k=f[e>>2]|0;h=(f[e+4>>2]|0)-k>>3;j=k;k=d;i=0;m=g;b:while(1){n=f[k>>2]|0;o=f[m>>2]|0;if(h>>>0<=n>>>0){p=14;break}if(h>>>0<=o>>>0){p=16;break}q=j+(n<<3)|0;if((f[q>>2]|0)>>>0<(f[j+(o<<3)>>2]|0)>>>0){r=m;s=k;t=o;while(1){f[s>>2]=t;if((r|0)==(a|0)){u=a;break}o=r+-4|0;t=f[o>>2]|0;if(h>>>0<=t>>>0){p=20;break b}if((f[q>>2]|0)>>>0>=(f[j+(t<<3)>>2]|0)>>>0){u=r;break}else{v=r;r=o;s=v}}f[u>>2]=n;s=i+1|0;if((s|0)==8){w=0;x=(k+4|0)==(b|0);break a}else y=s}else y=i;s=k+4|0;if((s|0)==(b|0)){w=1;x=0;break a}else{r=k;k=s;i=y;m=r}}if((p|0)==14)mq(e);else if((p|0)==16)mq(e);else if((p|0)==20)mq(e)}else{w=1;x=0}while(0);l=x|w;return l|0}}return 0}function Rd(a,b,c,d,e,g,h){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0,j=0;switch(c|0){case 1:{c=dn(40)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2376;i=c;f[a>>2]=i;return}case 4:{c=dn(152)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2432;h=c+96|0;b=c+40|0;j=b+52|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(j|0));Sm(h);f[c+136>>2]=0;f[c+140>>2]=0;f[c+144>>2]=0;i=c;f[a>>2]=i;return}case 5:{c=dn(84)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2488;f[c+40>>2]=0;f[c+44>>2]=0;f[c+56>>2]=0;f[c+60>>2]=0;f[c+64>>2]=0;h=c+68|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];i=c;f[a>>2]=i;return}case 6:{c=dn(120)|0;f[c+4>>2]=d;d=c+8|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];e=c+24|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c>>2]=2544;f[c+44>>2]=0;f[c+48>>2]=0;e=c+52|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c+40>>2]=2600;f[c+68>>2]=1;g=c+72|0;f[g>>2]=-1;f[g+4>>2]=-1;f[g+8>>2]=-1;f[g+12>>2]=-1;rn(c+88|0);i=c;f[a>>2]=i;return}default:{i=0;f[a>>2]=i;return}}}function Sd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=Oa,t=Oa,u=Oa,v=0,w=0,x=0,y=0,z=0;c=f[b>>2]|0;b=a+4|0;d=f[b>>2]|0;e=(d|0)==0;a:do if(!e){g=d+-1|0;h=(g&d|0)==0;if(!h)if(c>>>0>>0)i=c;else i=(c>>>0)%(d>>>0)|0;else i=g&c;j=f[(f[a>>2]|0)+(i<<2)>>2]|0;if(!j)k=i;else{if(h){h=j;while(1){l=f[h>>2]|0;if(!l){k=i;break a}m=f[l+4>>2]|0;if(!((m|0)==(c|0)|(m&g|0)==(i|0))){k=i;break a}if((f[l+8>>2]|0)==(c|0)){o=l;break}else h=l}p=o+12|0;return p|0}else q=j;while(1){h=f[q>>2]|0;if(!h){k=i;break a}g=f[h+4>>2]|0;if((g|0)!=(c|0)){if(g>>>0>>0)r=g;else r=(g>>>0)%(d>>>0)|0;if((r|0)!=(i|0)){k=i;break a}}if((f[h+8>>2]|0)==(c|0)){o=h;break}else q=h}p=o+12|0;return p|0}}else k=0;while(0);q=dn(16)|0;f[q+8>>2]=c;f[q+12>>2]=0;f[q+4>>2]=c;f[q>>2]=0;i=a+12|0;s=$(((f[i>>2]|0)+1|0)>>>0);t=$(d>>>0);u=$(n[a+16>>2]);do if(e|$(u*t)>>0<3|(d+-1&d|0)!=0)&1;j=~~$(W($(s/u)))>>>0;ti(a,r>>>0>>0?j:r);r=f[b>>2]|0;j=r+-1|0;if(!(j&r)){v=r;w=j&c;break}if(c>>>0>>0){v=r;w=c}else{v=r;w=(c>>>0)%(r>>>0)|0}}else{v=d;w=k}while(0);k=(f[a>>2]|0)+(w<<2)|0;w=f[k>>2]|0;if(!w){d=a+8|0;f[q>>2]=f[d>>2];f[d>>2]=q;f[k>>2]=d;d=f[q>>2]|0;if(d|0){k=f[d+4>>2]|0;d=v+-1|0;if(d&v)if(k>>>0>>0)x=k;else x=(k>>>0)%(v>>>0)|0;else x=k&d;y=(f[a>>2]|0)+(x<<2)|0;z=30}}else{f[q>>2]=f[w>>2];y=w;z=30}if((z|0)==30)f[y>>2]=q;f[i>>2]=(f[i>>2]|0)+1;o=q;p=o+12|0;return p|0}function Td(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0;c=u;u=u+16|0;d=c+4|0;e=c;f[a+64>>2]=b;g=a+128|0;f[g>>2]=2;h=a+132|0;f[h>>2]=7;i=Qa[f[(f[b>>2]|0)+32>>2]&127](b)|0;b=a+88|0;f[b>>2]=i;j=a+104|0;k=(f[i+28>>2]|0)-(f[i+24>>2]|0)>>2;i=a+108|0;l=f[i>>2]|0;m=f[j>>2]|0;n=l-m>>2;o=m;p=l;if(k>>>0<=n>>>0)if(k>>>0>>0?(q=o+(k<<2)|0,(q|0)!=(p|0)):0){o=p+(~((p+-4-q|0)>>>2)<<2)|0;f[i>>2]=o;r=o;s=m}else{r=l;s=m}else{oi(j,k-n|0);r=f[i>>2]|0;s=f[j>>2]|0}if((r|0)!=(s|0)){s=0;do{r=f[b>>2]|0;f[e>>2]=s;f[d>>2]=f[e>>2];n=Og(r,d)|0;r=f[j>>2]|0;f[r+(s<<2)>>2]=n;s=s+1|0}while(s>>>0<(f[i>>2]|0)-r>>2>>>0)}i=a+92|0;s=f[b>>2]|0;j=f[s>>2]|0;d=(f[s+4>>2]|0)-j>>2;e=a+96|0;r=f[e>>2]|0;n=f[i>>2]|0;k=r-n>>2;m=n;n=r;if(d>>>0<=k>>>0)if(d>>>0>>0?(r=m+(d<<2)|0,(r|0)!=(n|0)):0){f[e>>2]=n+(~((n+-4-r|0)>>>2)<<2);t=s;v=j}else{t=s;v=j}else{oi(i,d-k|0);k=f[b>>2]|0;t=k;v=f[k>>2]|0}k=f[t+4>>2]|0;if((k|0)!=(v|0)){v=f[i>>2]|0;i=f[t>>2]|0;t=k-i>>2;k=0;do{f[v+(k<<2)>>2]=f[i+(k<<2)>>2];k=k+1|0}while(k>>>0>>0)}t=(f[h>>2]|0)-(f[g>>2]|0)+1|0;g=a+136|0;h=a+140|0;a=f[h>>2]|0;k=f[g>>2]|0;i=(a-k|0)/12|0;v=a;if(t>>>0>i>>>0){vf(g,t-i|0);u=c;return 1}if(t>>>0>=i>>>0){u=c;return 1}i=k+(t*12|0)|0;if((i|0)==(v|0)){u=c;return 1}else w=v;while(1){v=w+-12|0;f[h>>2]=v;t=f[v>>2]|0;if(!t)x=v;else{v=w+-8|0;k=f[v>>2]|0;if((k|0)!=(t|0))f[v>>2]=k+(~((k+-4-t|0)>>>2)<<2);br(t);x=f[h>>2]|0}if((x|0)==(i|0))break;else w=x}u=c;return 1}function Ud(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Oc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}xf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function Vd(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Pc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}xf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function Wd(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Qc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}xf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function Xd(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Rc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}xf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function Yd(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Sc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}xf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function Zd(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Tc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=2097152;if(d){d=c;c=2097152;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<19)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}yf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function _d(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Uc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=1048576;if(d){d=c;c=1048576;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<18)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}zf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function $d(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Vc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=262144;if(d){d=c;c=262144;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<16)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Cf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function ae(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Wc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=131072;if(d){d=c;c=131072;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<15)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Df(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function be(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Xc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=32768;if(d){d=c;c=32768;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<13)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Ef(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function ce(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Yc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Lf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function de(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));Zc(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Lf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function ee(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));_c(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Lf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function fe(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));$c(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Lf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function ge(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));ad(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Lf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function he(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));bd(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Lf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function ie(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));cd(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Lf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function je(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)mq(h);else{l=dn(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;hj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Tn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;l=i;p=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(p|0));dd(i,n,o-n>>3,e)|0;n=i+16|0;o=Rn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Tn(o|0,I|0,39,0)|0;o=Wn(l|0,I|0,3)|0;l=Tn(o|0,I|0,8,0)|0;o=Tn(l|0,I|0,n|0,0)|0;vl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Lf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);br(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);br(e);u=g;return 1}function ke(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;e=f[b>>2]|0;g=b+4|0;h=f[g>>2]|0;i=((f[c>>2]|0)-e<<3)+(f[c+4>>2]|0)-h|0;c=e;if((i|0)<=0){j=d+4|0;k=f[d>>2]|0;f[a>>2]=k;l=a+4|0;m=f[j>>2]|0;f[l>>2]=m;return}if(!h){e=d+4|0;n=i;o=e;p=c;q=f[e>>2]|0}else{e=32-h|0;r=(i|0)<(e|0)?i:e;s=-1>>>(e-r|0)&-1<>2];c=d+4|0;h=f[c>>2]|0;e=32-h|0;t=e>>>0>>0?e:r;u=f[d>>2]|0;v=f[u>>2]&~(-1>>>(e-t|0)&-1<>2]=v;h=f[c>>2]|0;e=f[g>>2]|0;f[u>>2]=(h>>>0>e>>>0?s<>>(e-h|0))|v;v=(f[c>>2]|0)+t|0;h=u+(v>>>5<<2)|0;f[d>>2]=h;u=v&31;f[c>>2]=u;v=r-t|0;if((v|0)>0){e=f[h>>2]&~(-1>>>(32-v|0));f[h>>2]=e;f[h>>2]=e|s>>>((f[g>>2]|0)+t|0);f[c>>2]=v;w=v}else w=u;u=(f[b>>2]|0)+4|0;f[b>>2]=u;n=i-r|0;o=c;p=u;q=w}w=32-q|0;u=-1<31){q=~u;c=~n;r=n+((c|0)>-64?c:-64)+32&-32;c=n;i=p;while(1){v=f[i>>2]|0;t=f[d>>2]|0;g=f[t>>2]&q;f[t>>2]=g;f[t>>2]=g|v<>2];g=t+4|0;f[d>>2]=g;f[g>>2]=f[g>>2]&u|v>>>w;i=(f[b>>2]|0)+4|0;f[b>>2]=i;if((c|0)<=63)break;else c=c+-32|0}x=n+-32-r|0;y=i}else{x=n;y=p}if((x|0)<=0){j=o;k=f[d>>2]|0;f[a>>2]=k;l=a+4|0;m=f[j>>2]|0;f[l>>2]=m;return}p=f[y>>2]&-1>>>(32-x|0);y=(w|0)<(x|0)?w:x;n=f[d>>2]|0;i=f[n>>2]&~(-1<>2]&-1>>>(w-y|0));f[n>>2]=i;f[n>>2]=i|p<>2];i=(f[o>>2]|0)+y|0;w=n+(i>>>5<<2)|0;f[d>>2]=w;f[o>>2]=i&31;i=x-y|0;if((i|0)<=0){j=o;k=f[d>>2]|0;f[a>>2]=k;l=a+4|0;m=f[j>>2]|0;f[l>>2]=m;return}f[w>>2]=f[w>>2]&~(-1>>>(32-i|0))|p>>>y;f[o>>2]=i;j=o;k=f[d>>2]|0;f[a>>2]=k;l=a+4|0;m=f[j>>2]|0;f[l>>2]=m;return}function le(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+9|0;i=d+8|0;j=f[(f[a+184>>2]|0)+(c<<2)>>2]&255;b[h>>0]=j;c=a+4|0;k=f[(f[c>>2]|0)+44>>2]|0;l=k+16|0;m=f[l+4>>2]|0;if((m|0)>0|(m|0)==0&(f[l>>2]|0)>>>0>0)n=j;else{f[g>>2]=f[k+4>>2];f[e>>2]=f[g>>2];ye(k,e,h,h+1|0)|0;n=b[h>>0]|0}a:do if(n<<24>>24>-1){k=a+172|0;j=f[(f[k>>2]|0)+((n<<24>>24)*136|0)>>2]|0;l=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+56|0;m=b[h>>0]|0;o=f[k>>2]|0;k=f[o+(m*136|0)+132>>2]|0;switch(f[(f[(f[l>>2]|0)+84>>2]|0)+(j<<2)>>2]|0){case 0:{p=k;q=7;break a;break}case 1:{if(b[o+(m*136|0)+28>>0]|0){p=k;q=7;break a}break}default:{}}m=f[(f[c>>2]|0)+44>>2]|0;b[i>>0]=1;o=m+16|0;j=f[o+4>>2]|0;if(!((j|0)>0|(j|0)==0&(f[o>>2]|0)>>>0>0)){f[g>>2]=f[m+4>>2];f[e>>2]=f[g>>2];ye(m,e,i,i+1|0)|0}r=k}else{p=f[a+68>>2]|0;q=7}while(0);if((q|0)==7){q=f[(f[c>>2]|0)+44>>2]|0;b[i>>0]=0;a=q+16|0;h=f[a+4>>2]|0;if(!((h|0)>0|(h|0)==0&(f[a>>2]|0)>>>0>0)){f[g>>2]=f[q+4>>2];f[e>>2]=f[g>>2];ye(q,e,i,i+1|0)|0}r=p}p=f[(f[c>>2]|0)+44>>2]|0;b[i>>0]=r;r=p+16|0;c=f[r+4>>2]|0;if((c|0)>0|(c|0)==0&(f[r>>2]|0)>>>0>0){u=d;return 1}f[g>>2]=f[p+4>>2];f[e>>2]=f[g>>2];ye(p,e,i,i+1|0)|0;u=d;return 1}function me(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;h=u;u=u+16|0;i=h+4|0;j=h;k=a+60|0;f[a+64>>2]=g;g=a+8|0;Ah(g,b,d,e);d=a+56|0;l=f[d>>2]|0;m=f[l+4>>2]|0;n=f[l>>2]|0;o=m-n|0;if((o|0)<=0){u=h;return 1}p=(o>>>2)+-1|0;o=a+68|0;q=a+16|0;r=a+32|0;s=a+12|0;t=a+28|0;v=a+20|0;w=a+24|0;if(m-n>>2>>>0>p>>>0){x=p;y=n}else{z=l;mq(z)}while(1){f[j>>2]=f[y+(x<<2)>>2];f[i>>2]=f[j>>2];tb(k,i,b,x)|0;l=X(x,e)|0;n=b+(l<<2)|0;p=c+(l<<2)|0;l=f[g>>2]|0;if((l|0)>0){m=0;a=o;A=l;while(1){if((A|0)>0){l=0;do{B=f[a+(l<<2)>>2]|0;C=f[q>>2]|0;if((B|0)>(C|0)){D=f[r>>2]|0;f[D+(l<<2)>>2]=C;E=D}else{D=f[s>>2]|0;C=f[r>>2]|0;f[C+(l<<2)>>2]=(B|0)<(D|0)?D:B;E=C}l=l+1|0}while((l|0)<(f[g>>2]|0));F=E}else F=f[r>>2]|0;l=(f[n+(m<<2)>>2]|0)-(f[F+(m<<2)>>2]|0)|0;C=p+(m<<2)|0;f[C>>2]=l;if((l|0)>=(f[t>>2]|0)){if((l|0)>(f[w>>2]|0)){G=l-(f[v>>2]|0)|0;H=18}}else{G=(f[v>>2]|0)+l|0;H=18}if((H|0)==18){H=0;f[C>>2]=G}m=m+1|0;A=f[g>>2]|0;if((m|0)>=(A|0))break;else a=F}}x=x+-1|0;if((x|0)<=-1){H=3;break}a=f[d>>2]|0;y=f[a>>2]|0;if((f[a+4>>2]|0)-y>>2>>>0<=x>>>0){z=a;H=4;break}}if((H|0)==3){u=h;return 1}else if((H|0)==4)mq(z);return 0}function ne(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;h=u;u=u+16|0;i=h+4|0;j=h;k=a+60|0;f[a+64>>2]=g;g=a+8|0;Ah(g,b,d,e);d=a+56|0;l=f[d>>2]|0;m=f[l+4>>2]|0;n=f[l>>2]|0;o=m-n|0;if((o|0)<=0){u=h;return 1}p=(o>>>2)+-1|0;o=a+68|0;q=a+16|0;r=a+32|0;s=a+12|0;t=a+28|0;v=a+20|0;w=a+24|0;if(m-n>>2>>>0>p>>>0){x=p;y=n}else{z=l;mq(z)}while(1){f[j>>2]=f[y+(x<<2)>>2];f[i>>2]=f[j>>2];sb(k,i,b,x)|0;l=X(x,e)|0;n=b+(l<<2)|0;p=c+(l<<2)|0;l=f[g>>2]|0;if((l|0)>0){m=0;a=o;A=l;while(1){if((A|0)>0){l=0;do{B=f[a+(l<<2)>>2]|0;C=f[q>>2]|0;if((B|0)>(C|0)){D=f[r>>2]|0;f[D+(l<<2)>>2]=C;E=D}else{D=f[s>>2]|0;C=f[r>>2]|0;f[C+(l<<2)>>2]=(B|0)<(D|0)?D:B;E=C}l=l+1|0}while((l|0)<(f[g>>2]|0));F=E}else F=f[r>>2]|0;l=(f[n+(m<<2)>>2]|0)-(f[F+(m<<2)>>2]|0)|0;C=p+(m<<2)|0;f[C>>2]=l;if((l|0)>=(f[t>>2]|0)){if((l|0)>(f[w>>2]|0)){G=l-(f[v>>2]|0)|0;H=18}}else{G=(f[v>>2]|0)+l|0;H=18}if((H|0)==18){H=0;f[C>>2]=G}m=m+1|0;A=f[g>>2]|0;if((m|0)>=(A|0))break;else a=F}}x=x+-1|0;if((x|0)<=-1){H=3;break}a=f[d>>2]|0;y=f[a>>2]|0;if((f[a+4>>2]|0)-y>>2>>>0<=x>>>0){z=a;H=4;break}}if((H|0)==3){u=h;return 1}else if((H|0)==4)mq(z);return 0}function oe(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;b=u;u=u+16|0;c=b+4|0;d=b;e=a+12|0;g=f[e>>2]|0;h=(f[g+4>>2]|0)-(f[g>>2]|0)>>2;if(!h){u=b;return 1}i=a+152|0;j=a+140|0;k=a+144|0;l=a+148|0;a=0;m=g;while(1){f[d>>2]=(a>>>0)/3|0;f[c>>2]=f[d>>2];if(!(Rj(m,c)|0)?(g=f[e>>2]|0,(f[(f[g+12>>2]|0)+(a<<2)>>2]|0)==-1):0){n=a+1|0;o=((n>>>0)%3|0|0)==0?a+-2|0:n;if((o|0)==-1)p=-1;else p=f[(f[g>>2]|0)+(o<<2)>>2]|0;o=f[i>>2]|0;if((f[o+(p<<2)>>2]|0)==-1){g=f[k>>2]|0;n=f[l>>2]|0;if((g|0)==(n<<5|0)){if((g+1|0)<0){q=11;break}r=n<<6;n=g+32&-32;hi(j,g>>>0<1073741823?(r>>>0>>0?n:r):2147483647);s=f[k>>2]|0;t=f[i>>2]|0}else{s=g;t=o}f[k>>2]=s+1;o=(f[j>>2]|0)+(s>>>5<<2)|0;f[o>>2]=f[o>>2]&~(1<<(s&31));o=t+(p<<2)|0;if((f[o>>2]|0)==-1){r=a;n=o;while(1){f[n>>2]=g;o=r+1|0;a:do if((r|0)!=-1?(v=((o>>>0)%3|0|0)==0?r+-2|0:o,(v|0)!=-1):0){w=f[e>>2]|0;x=f[w+12>>2]|0;y=v;while(1){v=f[x+(y<<2)>>2]|0;if((v|0)==-1)break;z=v+1|0;A=((z>>>0)%3|0|0)==0?v+-2|0:z;if((A|0)==-1){B=-1;C=-1;break a}else y=A}x=y+1|0;A=((x>>>0)%3|0|0)==0?y+-2|0:x;if((A|0)==-1){B=y;C=-1}else{B=y;C=f[(f[w>>2]|0)+(A<<2)>>2]|0}}else{B=-1;C=-1}while(0);n=t+(C<<2)|0;if((f[n>>2]|0)!=-1)break;else r=B}}}}r=a+1|0;if(r>>>0>=h>>>0){q=3;break}a=r;m=f[e>>2]|0}if((q|0)==3){u=b;return 1}else if((q|0)==11)mq(j);return 0} +function pe(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;d=u;u=u+32|0;e=d+8|0;g=d;h=a+4|0;i=f[h>>2]|0;if(i>>>0>=b>>>0){f[h>>2]=b;u=d;return}j=a+8|0;k=f[j>>2]|0;l=k<<5;m=b-i|0;if(l>>>0>>0|i>>>0>(l-m|0)>>>0){f[e>>2]=0;n=e+4|0;f[n>>2]=0;o=e+8|0;f[o>>2]=0;if((b|0)<0)mq(a);p=k<<6;k=b+31&-32;hi(e,l>>>0<1073741823?(p>>>0>>0?k:p):2147483647);p=f[h>>2]|0;f[n>>2]=p+m;k=f[a>>2]|0;l=k;q=f[e>>2]|0;r=(l+(p>>>5<<2)-k<<3)+(p&31)|0;if((r|0)>0){p=r>>>5;Xl(q|0,k|0,p<<2|0)|0;k=r&31;r=q+(p<<2)|0;s=r;if(!k){t=0;v=s}else{w=-1>>>(32-k|0);f[r>>2]=f[r>>2]&~w|f[l+(p<<2)>>2]&w;t=k;v=s}}else{t=0;v=q}f[g>>2]=v;f[g+4>>2]=t;t=g;g=f[t>>2]|0;v=f[t+4>>2]|0;t=f[a>>2]|0;f[a>>2]=f[e>>2];f[e>>2]=t;e=f[h>>2]|0;f[h>>2]=f[n>>2];f[n>>2]=e;e=f[j>>2]|0;f[j>>2]=f[o>>2];f[o>>2]=e;if(t|0)br(t);x=g;y=v}else{v=(f[a>>2]|0)+(i>>>5<<2)|0;f[h>>2]=b;x=v;y=i&31}if(!m){u=d;return}i=(y|0)==0;v=x;if(c){if(i){z=m;A=x;B=v}else{c=32-y|0;b=c>>>0>m>>>0?m:c;f[v>>2]=f[v>>2]|-1>>>(c-b|0)&-1<>>5;hj(A|0,-1,c<<2|0)|0;A=z&31;z=B+(c<<2)|0;if(!A){u=d;return}f[z>>2]=f[z>>2]|-1>>>(32-A|0);u=d;return}else{if(i){C=m;D=x;E=v}else{x=32-y|0;i=x>>>0>m>>>0?m:x;f[v>>2]=f[v>>2]&~(-1>>>(x-i|0)&-1<>>5;hj(D|0,0,y<<2|0)|0;D=C&31;C=E+(y<<2)|0;if(!D){u=d;return}f[C>>2]=f[C>>2]&~(-1>>>(32-D|0));u=d;return}}function qe(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0;a=u;u=u+48|0;g=a+36|0;h=a+24|0;i=a+12|0;j=a;if(!c){k=0;u=a;return k|0}f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;l=vj(d)|0;if(l>>>0>4294967279)mq(g);if(l>>>0<11){b[g+11>>0]=l;if(!l)m=g;else{n=g;o=7}}else{p=l+16&-16;q=dn(p)|0;f[g>>2]=q;f[g+8>>2]=p|-2147483648;f[g+4>>2]=l;n=q;o=7}if((o|0)==7){Rg(n|0,d|0,l|0)|0;m=n}b[m+l>>0]=0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;l=vj(e)|0;if(l>>>0>4294967279)mq(h);if(l>>>0<11){b[h+11>>0]=l;if(!l)r=h;else{s=h;o=13}}else{m=l+16&-16;n=dn(m)|0;f[h>>2]=n;f[h+8>>2]=m|-2147483648;f[h+4>>2]=l;s=n;o=13}if((o|0)==13){Rg(s|0,e|0,l|0)|0;r=s}b[r+l>>0]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;l=vj(d)|0;if(l>>>0>4294967279)mq(i);if(l>>>0<11){b[i+11>>0]=l;if(!l)t=i;else{v=i;o=19}}else{r=l+16&-16;s=dn(r)|0;f[i>>2]=s;f[i+8>>2]=r|-2147483648;f[i+4>>2]=l;v=s;o=19}if((o|0)==19){Rg(v|0,d|0,l|0)|0;t=v}b[t+l>>0]=0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;l=vj(e)|0;if(l>>>0>4294967279)mq(j);if(l>>>0<11){b[j+11>>0]=l;if(!l)w=j;else{x=j;o=25}}else{t=l+16&-16;v=dn(t)|0;f[j>>2]=v;f[j+8>>2]=t|-2147483648;f[j+4>>2]=l;x=v;o=25}if((o|0)==25){Rg(x|0,e|0,l|0)|0;w=x}b[w+l>>0]=0;en(c,i,j);if((b[j+11>>0]|0)<0)br(f[j>>2]|0);if((b[i+11>>0]|0)<0)br(f[i>>2]|0);if((b[h+11>>0]|0)<0)br(f[h>>2]|0);if((b[g+11>>0]|0)<0)br(f[g>>2]|0);k=1;u=a;return k|0}function re(a,c){a=a|0;c=c|0;var d=0,e=0,g=0;f[a>>2]=f[c>>2];d=c+4|0;f[a+4>>2]=f[d>>2];e=c+8|0;f[a+8>>2]=f[e>>2];g=c+12|0;f[a+12>>2]=f[g>>2];f[d>>2]=0;f[e>>2]=0;f[g>>2]=0;g=c+16|0;f[a+16>>2]=f[g>>2];e=c+20|0;f[a+20>>2]=f[e>>2];d=c+24|0;f[a+24>>2]=f[d>>2];f[g>>2]=0;f[e>>2]=0;f[d>>2]=0;b[a+28>>0]=b[c+28>>0]|0;d=a+32|0;e=c+32|0;f[d>>2]=0;g=a+36|0;f[g>>2]=0;f[a+40>>2]=0;f[d>>2]=f[e>>2];d=c+36|0;f[g>>2]=f[d>>2];g=c+40|0;f[a+40>>2]=f[g>>2];f[g>>2]=0;f[d>>2]=0;f[e>>2]=0;e=a+44|0;d=c+44|0;f[e>>2]=0;g=a+48|0;f[g>>2]=0;f[a+52>>2]=0;f[e>>2]=f[d>>2];e=c+48|0;f[g>>2]=f[e>>2];g=c+52|0;f[a+52>>2]=f[g>>2];f[g>>2]=0;f[e>>2]=0;f[d>>2]=0;d=a+56|0;e=c+56|0;f[d>>2]=0;g=a+60|0;f[g>>2]=0;f[a+64>>2]=0;f[d>>2]=f[e>>2];d=c+60|0;f[g>>2]=f[d>>2];g=c+64|0;f[a+64>>2]=f[g>>2];f[g>>2]=0;f[d>>2]=0;f[e>>2]=0;f[a+68>>2]=f[c+68>>2];f[a+72>>2]=f[c+72>>2];e=a+76|0;d=c+76|0;f[e>>2]=0;g=a+80|0;f[g>>2]=0;f[a+84>>2]=0;f[e>>2]=f[d>>2];e=c+80|0;f[g>>2]=f[e>>2];g=c+84|0;f[a+84>>2]=f[g>>2];f[g>>2]=0;f[e>>2]=0;f[d>>2]=0;d=a+88|0;e=c+88|0;f[d>>2]=0;g=a+92|0;f[g>>2]=0;f[a+96>>2]=0;f[d>>2]=f[e>>2];d=c+92|0;f[g>>2]=f[d>>2];g=c+96|0;f[a+96>>2]=f[g>>2];f[g>>2]=0;f[d>>2]=0;f[e>>2]=0;b[a+100>>0]=b[c+100>>0]|0;e=a+104|0;d=c+104|0;f[e>>2]=0;g=a+108|0;f[g>>2]=0;f[a+112>>2]=0;f[e>>2]=f[d>>2];e=c+108|0;f[g>>2]=f[e>>2];g=c+112|0;f[a+112>>2]=f[g>>2];f[g>>2]=0;f[e>>2]=0;f[d>>2]=0;d=a+116|0;e=c+116|0;f[d>>2]=0;g=a+120|0;f[g>>2]=0;f[a+124>>2]=0;f[d>>2]=f[e>>2];d=c+120|0;f[g>>2]=f[d>>2];g=c+124|0;f[a+124>>2]=f[g>>2];f[g>>2]=0;f[d>>2]=0;f[e>>2]=0;f[a+128>>2]=f[c+128>>2];f[a+132>>2]=f[c+132>>2];return}function se(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;h=u;u=u+48|0;i=h+36|0;j=h+24|0;k=h+8|0;l=h+4|0;m=h;n=e+4|0;Bh(i,c,(f[n>>2]|0)-(f[e>>2]|0)>>2,2,g,d,1);g=f[i>>2]|0;o=(f[f[g>>2]>>2]|0)+(f[g+48>>2]|0)|0;f[k>>2]=-1;f[k+4>>2]=-1;f[k+8>>2]=-1;f[k+12>>2]=-1;p=f[c+4>>2]|0;if((p+-2|0)>>>0<=28){f[k>>2]=p;c=1<>2]=c+-1;p=c+-2|0;f[k+8>>2]=p;f[k+12>>2]=(p|0)/2|0;p=f[e>>2]|0;if((f[n>>2]|0)==(p|0))q=g;else{c=d+84|0;r=d+68|0;s=d+48|0;t=d+40|0;v=0;w=0;x=p;while(1){p=f[x+(v<<2)>>2]|0;if(!(b[c>>0]|0))y=f[(f[r>>2]|0)+(p<<2)>>2]|0;else y=p;p=s;z=f[p>>2]|0;A=f[p+4>>2]|0;p=t;B=f[p>>2]|0;C=on(B|0,f[p+4>>2]|0,y|0,0)|0;p=Tn(C|0,I|0,z|0,A|0)|0;Rg(j|0,(f[f[d>>2]>>2]|0)+p|0,B|0)|0;df(k,j,l,m);f[o+(w<<2)>>2]=f[l>>2];f[o+((w|1)<<2)>>2]=f[m>>2];v=v+1|0;x=f[e>>2]|0;if(v>>>0>=(f[n>>2]|0)-x>>2>>>0)break;else w=w+2|0}q=f[i>>2]|0}f[a>>2]=q;f[i>>2]=0;u=h;return}f[a>>2]=0;f[i>>2]=0;if(!g){u=h;return}i=g+88|0;a=f[i>>2]|0;f[i>>2]=0;if(a|0){i=f[a+8>>2]|0;if(i|0){q=a+12|0;if((f[q>>2]|0)!=(i|0))f[q>>2]=i;br(i)}br(a)}a=f[g+68>>2]|0;if(a|0){i=g+72|0;q=f[i>>2]|0;if((q|0)!=(a|0))f[i>>2]=q+(~((q+-4-a|0)>>>2)<<2);br(a)}a=g+64|0;q=f[a>>2]|0;f[a>>2]=0;if(q|0){a=f[q>>2]|0;if(a|0){i=q+4|0;if((f[i>>2]|0)!=(a|0))f[i>>2]=a;br(a)}br(q)}br(g);u=h;return}function te(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=a+8|0;e=f[d>>2]|0;g=a+4|0;h=f[g>>2]|0;if(((e-h|0)/136|0)>>>0>=c>>>0){i=c;j=h;do{f[j>>2]=-1;Ek(j+4|0);b[j+100>>0]=1;k=j+104|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;f[k+24>>2]=0;j=(f[g>>2]|0)+136|0;f[g>>2]=j;i=i+-1|0}while((i|0)!=0);return}i=f[a>>2]|0;j=(h-i|0)/136|0;h=j+c|0;if(h>>>0>31580641)mq(a);k=(e-i|0)/136|0;i=k<<1;e=k>>>0<15790320?(i>>>0>>0?h:i):31580641;do if(e)if(e>>>0>31580641){i=ra(8)|0;Wo(i,14941);f[i>>2]=6944;va(i|0,1080,114)}else{l=dn(e*136|0)|0;break}else l=0;while(0);i=l+(j*136|0)|0;j=i;h=l+(e*136|0)|0;e=c;c=j;l=i;do{f[l>>2]=-1;Ek(l+4|0);b[l+100>>0]=1;k=l+104|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;f[k+24>>2]=0;l=c+136|0;c=l;e=e+-1|0}while((e|0)!=0);e=f[a>>2]|0;l=f[g>>2]|0;if((l|0)==(e|0)){m=j;n=e;o=e}else{k=l;l=j;j=i;do{k=k+-136|0;re(j+-136|0,k);j=l+-136|0;l=j}while((k|0)!=(e|0));m=l;n=f[a>>2]|0;o=f[g>>2]|0}f[a>>2]=m;f[g>>2]=c;f[d>>2]=h;h=n;if((o|0)!=(h|0)){d=o;do{o=f[d+-20>>2]|0;if(o|0){c=d+-16|0;g=f[c>>2]|0;if((g|0)!=(o|0))f[c>>2]=g+(~((g+-4-o|0)>>>2)<<2);br(o)}o=f[d+-32>>2]|0;if(o|0){g=d+-28|0;c=f[g>>2]|0;if((c|0)!=(o|0))f[g>>2]=c+(~((c+-4-o|0)>>>2)<<2);br(o)}yi(d+-132|0);d=d+-136|0}while((d|0)!=(h|0))}if(!n)return;br(n);return}function ue(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=f[b>>2]|0;b=a+12|0;d=(c|0)==-1;e=c+1|0;do if(!d){g=((e>>>0)%3|0|0)==0?c+-2|0:e;if(!((c>>>0)%3|0)){h=g;i=c+2|0;break}else{h=g;i=c+-1|0;break}}else{h=-1;i=-1}while(0);e=d?-1:(c>>>0)/3|0;g=a+28|0;j=(f[g>>2]|0)+(e>>>5<<2)|0;f[j>>2]=1<<(e&31)|f[j>>2];j=a+172|0;e=a+176|0;k=a+280|0;if(((!d?(d=f[(f[(f[b>>2]|0)+12>>2]|0)+(c<<2)>>2]|0,(d|0)!=-1):0)?(a=(d>>>0)/3|0,(f[(f[g>>2]|0)+(a>>>5<<2)>>2]&1<<(a&31)|0)==0):0)?(a=f[j>>2]|0,(f[e>>2]|0)!=(a|0)):0){d=c>>>5;l=1<<(c&31);c=0;m=a;do{a=(f[k>>2]|0)+(c<<5)|0;if(!(l&f[(f[m+(c*136|0)+4>>2]|0)+(d<<2)>>2]))Vi(a,0);else Vi(a,1);c=c+1|0;m=f[j>>2]|0}while(c>>>0<(((f[e>>2]|0)-m|0)/136|0)>>>0)}if((((h|0)!=-1?(m=f[(f[(f[b>>2]|0)+12>>2]|0)+(h<<2)>>2]|0,(m|0)!=-1):0)?(c=(m>>>0)/3|0,(f[(f[g>>2]|0)+(c>>>5<<2)>>2]&1<<(c&31)|0)==0):0)?(c=f[j>>2]|0,(f[e>>2]|0)!=(c|0)):0){m=h>>>5;d=1<<(h&31);h=0;l=c;do{c=(f[k>>2]|0)+(h<<5)|0;if(!(d&f[(f[l+(h*136|0)+4>>2]|0)+(m<<2)>>2]))Vi(c,0);else Vi(c,1);h=h+1|0;l=f[j>>2]|0}while(h>>>0<(((f[e>>2]|0)-l|0)/136|0)>>>0)}if((i|0)==-1)return 1;l=f[(f[(f[b>>2]|0)+12>>2]|0)+(i<<2)>>2]|0;if((l|0)==-1)return 1;b=(l>>>0)/3|0;if(f[(f[g>>2]|0)+(b>>>5<<2)>>2]&1<<(b&31)|0)return 1;b=f[j>>2]|0;if((f[e>>2]|0)==(b|0))return 1;g=i>>>5;l=1<<(i&31);i=0;h=b;do{b=(f[k>>2]|0)+(i<<5)|0;if(!(l&f[(f[h+(i*136|0)+4>>2]|0)+(g<<2)>>2]))Vi(b,0);else Vi(b,1);i=i+1|0;h=f[j>>2]|0}while(i>>>0<(((f[e>>2]|0)-h|0)/136|0)>>>0);return 1}function ve(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;i=a+4|0;j=a+8|0;Nh((f[j>>2]|0)-(f[i>>2]|0)>>2,c)|0;k=f[i>>2]|0;if((f[j>>2]|0)==(k|0)){u=d;return 1}l=a+32|0;a=c+16|0;m=c+4|0;n=h+1|0;o=h+1|0;p=h+1|0;q=h+1|0;r=0;s=k;do{k=f[(f[(f[l>>2]|0)+8>>2]|0)+(f[s+(r<<2)>>2]<<2)>>2]|0;b[h>>0]=f[k+56>>2];t=a;v=f[t>>2]|0;w=f[t+4>>2]|0;if((w|0)>0|(w|0)==0&v>>>0>0){x=w;y=v}else{f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];ye(c,e,h,q)|0;v=a;x=f[v+4>>2]|0;y=f[v>>2]|0}b[h>>0]=f[k+28>>2];if((x|0)>0|(x|0)==0&y>>>0>0){z=x;A=y}else{f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];ye(c,e,h,p)|0;v=a;z=f[v+4>>2]|0;A=f[v>>2]|0}b[h>>0]=b[k+24>>0]|0;if((z|0)>0|(z|0)==0&A>>>0>0){B=z;C=A}else{f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];ye(c,e,h,o)|0;v=a;B=f[v+4>>2]|0;C=f[v>>2]|0}b[h>>0]=b[k+32>>0]|0;if(!((B|0)>0|(B|0)==0&C>>>0>0)){f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];ye(c,e,h,n)|0}Nh(f[k+60>>2]|0,c)|0;r=r+1|0;s=f[i>>2]|0}while(r>>>0<(f[j>>2]|0)-s>>2>>>0);u=d;return 1}function we(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0;d=u;u=u+32|0;e=d+16|0;g=d+12|0;h=d+8|0;i=d+4|0;j=d;wp(a);f[a+16>>2]=0;f[a+20>>2]=0;f[a+12>>2]=a+16;k=a+24|0;wp(k);l=b+4|0;if((a|0)!=(l|0)){f[h>>2]=f[l>>2];f[i>>2]=b+8;f[g>>2]=f[h>>2];f[e>>2]=f[i>>2];Hc(a,g,e)}l=b+28|0;if((k|0)!=(l|0)){f[h>>2]=f[l>>2];f[i>>2]=b+32;f[g>>2]=f[h>>2];f[e>>2]=f[i>>2];Hc(k,g,e)}f[j>>2]=0;k=c+8|0;l=c+12|0;c=f[l>>2]|0;m=f[k>>2]|0;if((c-m|0)<=0){u=d;return}n=b+20|0;b=m;m=c;c=0;while(1){o=f[(f[b+(c<<2)>>2]|0)+56>>2]|0;p=f[n>>2]|0;if(p){q=n;r=p;a:while(1){p=r;while(1){if((f[p+16>>2]|0)>=(o|0))break;s=f[p+4>>2]|0;if(!s){t=q;break a}else p=s}r=f[p>>2]|0;if(!r){t=p;break}else q=p}if((t|0)!=(n|0)?(o|0)>=(f[t+16>>2]|0):0){q=t+20|0;r=wd(a,j)|0;if((r|0)!=(q|0)){f[h>>2]=f[q>>2];f[i>>2]=t+24;f[g>>2]=f[h>>2];f[e>>2]=f[i>>2];Hc(r,g,e)}v=f[j>>2]|0;w=f[k>>2]|0;x=f[l>>2]|0}else{v=c;w=b;x=m}}else{v=c;w=b;x=m}c=v+1|0;f[j>>2]=c;if((c|0)>=(x-w>>2|0))break;else{b=w;m=x}}u=d;return}function xe(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;i=a+12|0;Nh(f[i>>2]|0,c)|0;if(!(f[i>>2]|0)){j=1;u=d;return j|0}k=c+16|0;l=c+4|0;m=h+1|0;n=h+1|0;o=h+1|0;p=0;while(1){q=f[a>>2]|0;r=f[q+(p<<3)>>2]|0;if(r>>>0>63)if(r>>>0>16383)if(r>>>0>4194303){j=0;s=20;break}else{t=2;s=13}else{t=1;s=13}else if(!r){v=p+1|0;w=0;while(1){if(f[q+(v+w<<3)>>2]|0){x=w;break}y=w+1|0;if(y>>>0<63)w=y;else{x=y;break}}b[h>>0]=x<<2|3;w=k;v=f[w+4>>2]|0;if(!((v|0)>0|(v|0)==0&(f[w>>2]|0)>>>0>0)){f[g>>2]=f[l>>2];f[e>>2]=f[g>>2];ye(c,e,h,o)|0}z=x+p|0}else{t=0;s=13}if((s|0)==13){s=0;b[h>>0]=t|r<<2;w=k;v=f[w+4>>2]|0;if(!((v|0)>0|(v|0)==0&(f[w>>2]|0)>>>0>0)){f[g>>2]=f[l>>2];f[e>>2]=f[g>>2];ye(c,e,h,n)|0}if(!t)z=p;else{w=0;do{w=w+1|0;b[h>>0]=r>>>((w<<3)+-2|0);v=k;q=f[v+4>>2]|0;if(!((q|0)>0|(q|0)==0&(f[v>>2]|0)>>>0>0)){f[g>>2]=f[l>>2];f[e>>2]=f[g>>2];ye(c,e,h,m)|0}}while((w|0)<(t|0));z=p}}p=z+1|0;if(p>>>0>=(f[i>>2]|0)>>>0){j=1;s=20;break}}if((s|0)==20){u=d;return j|0}return 0}function ye(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;g=f[a>>2]|0;h=g;i=(f[c>>2]|0)-h|0;c=g+i|0;j=e-d|0;if((j|0)<=0){k=c;return k|0}l=a+8|0;m=f[l>>2]|0;n=a+4|0;o=f[n>>2]|0;p=o;if((j|0)<=(m-p|0)){q=p-c|0;if((j|0)>(q|0)){r=d+q|0;if((r|0)==(e|0))s=o;else{t=r;u=o;while(1){b[u>>0]=b[t>>0]|0;t=t+1|0;v=(f[n>>2]|0)+1|0;f[n>>2]=v;if((t|0)==(e|0)){s=v;break}else u=v}}if((q|0)>0){w=r;x=s}else{k=c;return k|0}}else{w=e;x=o}s=x-(c+j)|0;r=c+s|0;if(r>>>0>>0){q=r;r=x;do{b[r>>0]=b[q>>0]|0;q=q+1|0;r=(f[n>>2]|0)+1|0;f[n>>2]=r}while((q|0)!=(o|0))}if(s|0)Xl(x+(0-s)|0,c|0,s|0)|0;if((w|0)==(d|0)){k=c;return k|0}else{y=d;z=c}while(1){b[z>>0]=b[y>>0]|0;y=y+1|0;if((y|0)==(w|0)){k=c;break}else z=z+1|0}return k|0}z=p-h+j|0;if((z|0)<0)mq(a);j=m-h|0;h=j<<1;m=j>>>0<1073741823?(h>>>0>>0?z:h):2147483647;h=c;if(!m)A=0;else A=dn(m)|0;z=A+i|0;i=z;j=A+m|0;if((d|0)==(e|0)){B=i;C=g}else{g=d;d=i;i=z;do{b[i>>0]=b[g>>0]|0;i=d+1|0;d=i;g=g+1|0}while((g|0)!=(e|0));B=d;C=f[a>>2]|0}d=h-C|0;e=z+(0-d)|0;if((d|0)>0)Rg(e|0,C|0,d|0)|0;d=(f[n>>2]|0)-h|0;if((d|0)>0){h=B;Rg(h|0,c|0,d|0)|0;D=h+d|0;E=f[a>>2]|0}else{D=B;E=C}f[a>>2]=e;f[n>>2]=D;f[l>>2]=j;if(!E){k=z;return k|0}br(E);k=z;return k|0}function ze(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;e=u;u=u+16|0;g=e;h=f[(f[c+4>>2]|0)+(d<<2)>>2]|0;d=f[c+28>>2]|0;c=f[(f[(f[d+4>>2]|0)+8>>2]|0)+(h<<2)>>2]|0;switch(f[c+28>>2]|0){case 5:case 6:case 3:case 4:case 1:case 2:{i=dn(40)|0;Ao(i);j=i;k=j;f[a>>2]=k;u=e;return}case 9:{l=3;break}default:{}}if((l|0)==3){i=f[d+48>>2]|0;d=dn(32)|0;f[g>>2]=d;f[g+8>>2]=-2147483616;f[g+4>>2]=17;m=d;n=12932;o=m+17|0;do{b[m>>0]=b[n>>0]|0;m=m+1|0;n=n+1|0}while((m|0)<(o|0));b[d+17>>0]=0;d=i+16|0;n=f[d>>2]|0;if(n){p=d;q=n;a:while(1){n=q;while(1){if((f[n+16>>2]|0)>=(h|0))break;r=f[n+4>>2]|0;if(!r){s=p;break a}else n=r}q=f[n>>2]|0;if(!q){s=n;break}else p=n}if(((s|0)!=(d|0)?(h|0)>=(f[s+16>>2]|0):0)?(h=s+20|0,(sh(h,g)|0)!=0):0)t=yk(h,g,-1)|0;else l=12}else l=12;if((l|0)==12)t=yk(i,g,-1)|0;if((b[g+11>>0]|0)<0)br(f[g>>2]|0);if((t|0)>0)if((f[c+56>>2]|0)==1){c=dn(48)|0;m=c;o=m+48|0;do{f[m>>2]=0;m=m+4|0}while((m|0)<(o|0));Ao(c);f[c>>2]=2256;f[c+40>>2]=1152;f[c+44>>2]=-1;j=c;k=j;f[a>>2]=k;u=e;return}else{c=dn(64)|0;mm(c);j=c;k=j;f[a>>2]=k;u=e;return}}c=dn(36)|0;wm(c);j=c;k=j;f[a>>2]=k;u=e;return}function Ae(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;d=(c|0)==(a|0);b[c+12>>0]=d&1;if(d)return;else e=c;while(1){g=e+8|0;h=f[g>>2]|0;c=h+12|0;if(b[c>>0]|0){i=23;break}j=h+8|0;k=f[j>>2]|0;d=f[k>>2]|0;if((d|0)==(h|0)){l=f[k+4>>2]|0;if(!l){i=7;break}m=l+12|0;if(!(b[m>>0]|0))n=m;else{i=7;break}}else{if(!d){i=16;break}m=d+12|0;if(!(b[m>>0]|0))n=m;else{i=16;break}}b[c>>0]=1;c=(k|0)==(a|0);b[k+12>>0]=c&1;b[n>>0]=1;if(c){i=23;break}else e=k}if((i|0)==7){if((f[h>>2]|0)==(e|0)){o=h;p=k}else{n=h+4|0;a=f[n>>2]|0;c=f[a>>2]|0;f[n>>2]=c;if(!c)q=k;else{f[c+8>>2]=h;q=f[j>>2]|0}f[a+8>>2]=q;q=f[j>>2]|0;f[((f[q>>2]|0)==(h|0)?q:q+4|0)>>2]=a;f[a>>2]=h;f[j>>2]=a;o=a;p=f[a+8>>2]|0}b[o+12>>0]=1;b[p+12>>0]=0;o=f[p>>2]|0;a=o+4|0;q=f[a>>2]|0;f[p>>2]=q;if(q|0)f[q+8>>2]=p;q=p+8|0;f[o+8>>2]=f[q>>2];c=f[q>>2]|0;f[((f[c>>2]|0)==(p|0)?c:c+4|0)>>2]=o;f[a>>2]=p;f[q>>2]=o;return}else if((i|0)==16){if((f[h>>2]|0)==(e|0)){o=e+4|0;q=f[o>>2]|0;f[h>>2]=q;if(!q)r=k;else{f[q+8>>2]=h;r=f[j>>2]|0}f[g>>2]=r;r=f[j>>2]|0;f[((f[r>>2]|0)==(h|0)?r:r+4|0)>>2]=e;f[o>>2]=h;f[j>>2]=e;s=e;t=f[e+8>>2]|0}else{s=h;t=k}b[s+12>>0]=1;b[t+12>>0]=0;s=t+4|0;k=f[s>>2]|0;h=f[k>>2]|0;f[s>>2]=h;if(h|0)f[h+8>>2]=t;h=t+8|0;f[k+8>>2]=f[h>>2];s=f[h>>2]|0;f[((f[s>>2]|0)==(t|0)?s:s+4|0)>>2]=k;f[k>>2]=t;f[h>>2]=k;return}else if((i|0)==23)return}function Be(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=Oa,C=Oa;h=u;u=u+16|0;i=h;j=e+4|0;k=b[d+24>>0]|0;l=k<<24>>24;Bh(a,c,(f[j>>2]|0)-(f[e>>2]|0)>>2,l,g,d,1);g=f[a>>2]|0;a=(f[f[g>>2]>>2]|0)+(f[g+48>>2]|0)|0;g=f[c+4>>2]|0;sq(i);yo(i,$(n[c+20>>2]),(1<>>0>1073741823?-1:l<<2)|0;m=f[j>>2]|0;j=f[e>>2]|0;e=j;if((m|0)==(j|0)){$q(g);u=h;return}o=d+68|0;p=d+48|0;q=d+40|0;r=c+8|0;c=(b[d+84>>0]|0)==0;s=m-j>>2;if(k<<24>>24>0){t=0;v=0}else{k=0;do{j=f[e+(k<<2)>>2]|0;if(c)w=f[(f[o>>2]|0)+(j<<2)>>2]|0;else w=j;j=p;m=f[j>>2]|0;x=f[j+4>>2]|0;j=q;y=f[j>>2]|0;z=on(y|0,f[j+4>>2]|0,w|0,0)|0;j=Tn(z|0,I|0,m|0,x|0)|0;Rg(g|0,(f[f[d>>2]>>2]|0)+j|0,y|0)|0;k=k+1|0}while(k>>>0>>0);$q(g);u=h;return}while(1){k=f[e+(t<<2)>>2]|0;if(c)A=f[(f[o>>2]|0)+(k<<2)>>2]|0;else A=k;k=p;w=f[k>>2]|0;y=f[k+4>>2]|0;k=q;j=f[k>>2]|0;x=on(j|0,f[k+4>>2]|0,A|0,0)|0;k=Tn(x|0,I|0,w|0,y|0)|0;Rg(g|0,(f[f[d>>2]>>2]|0)+k|0,j|0)|0;j=f[r>>2]|0;B=$(n[i>>2]);k=0;y=v;while(1){C=$(n[g+(k<<2)>>2]);w=~~$(J($($(B*$(C-$(n[j+(k<<2)>>2])))+$(.5))));f[a+(y<<2)>>2]=w;k=k+1|0;if((k|0)==(l|0))break;else y=y+1|0}t=t+1|0;if(t>>>0>=s>>>0)break;else v=v+l|0}$q(g);u=h;return}function Ce(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0;d=f[b>>2]|0;b=a+12|0;e=(d|0)==-1;do if(e){g=1;h=-1;i=-1}else{j=d+(((d>>>0)%3|0|0)==0?2:-1)|0;if((j|0)!=-1){k=f[(f[b>>2]|0)+12>>2]|0;l=j;while(1){j=f[k+(l<<2)>>2]|0;if((j|0)==-1){m=0;n=l;break}o=j+1|0;l=((o>>>0)%3|0|0)==0?j+-2|0:o;if((l|0)==-1){m=1;n=-1;break}}if(e){g=m;h=-1;i=n;break}else{p=m;q=n}}else{p=1;q=-1}g=p;h=f[(f[f[b>>2]>>2]|0)+(d<<2)>>2]|0;i=q}while(0);if(c){c=(f[a+84>>2]|0)+(h>>>5<<2)|0;f[c>>2]=f[c>>2]|1<<(h&31);r=1}else r=0;c=f[(f[a+152>>2]|0)+(h<<2)>>2]|0;q=(f[a+140>>2]|0)+(c>>>5<<2)|0;f[q>>2]=f[q>>2]|1<<(c&31);if(!g){g=(((i>>>0)%3|0|0)==0?2:-1)+i|0;if((g|0)==-1){s=-1;t=i}else{s=f[(f[f[b>>2]>>2]|0)+(g<<2)>>2]|0;t=i}}else{s=-1;t=-1}if((s|0)==(h|0)){u=r;return u|0}i=f[a+84>>2]|0;a=r;r=s;s=t;while(1){t=i+(r>>>5<<2)|0;f[t>>2]=f[t>>2]|1<<(r&31);t=a+1|0;g=s+1|0;a:do if((s|0)!=-1?(c=((g>>>0)%3|0|0)==0?s+-2|0:g,(c|0)!=-1):0){q=f[b>>2]|0;d=f[q+12>>2]|0;p=c;while(1){c=f[d+(p<<2)>>2]|0;if((c|0)==-1)break;n=c+1|0;m=((n>>>0)%3|0|0)==0?c+-2|0:n;if((m|0)==-1){v=-1;w=-1;break a}else p=m}d=(((p>>>0)%3|0|0)==0?2:-1)+p|0;if((d|0)==-1){v=-1;w=p}else{v=f[(f[q>>2]|0)+(d<<2)>>2]|0;w=p}}else{v=-1;w=-1}while(0);if((v|0)==(h|0)){u=t;break}else{a=t;r=v;s=w}}return u|0}function De(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0;c=a+4|0;d=f[c>>2]|0;e=a+100|0;if(d>>>0<(f[e>>2]|0)>>>0){f[c>>2]=d+1;g=h[d>>0]|0}else g=Di(a)|0;switch(g|0){case 43:case 45:{d=(g|0)==45&1;i=f[c>>2]|0;if(i>>>0<(f[e>>2]|0)>>>0){f[c>>2]=i+1;j=h[i>>0]|0}else j=Di(a)|0;if((b|0)!=0&(j+-48|0)>>>0>9?(f[e>>2]|0)!=0:0){f[c>>2]=(f[c>>2]|0)+-1;k=d;l=j}else{k=d;l=j}break}default:{k=0;l=g}}if((l+-48|0)>>>0>9)if(!(f[e>>2]|0)){m=-2147483648;n=0}else{f[c>>2]=(f[c>>2]|0)+-1;m=-2147483648;n=0}else{g=0;j=l;while(1){g=j+-48+(g*10|0)|0;l=f[c>>2]|0;if(l>>>0<(f[e>>2]|0)>>>0){f[c>>2]=l+1;o=h[l>>0]|0}else o=Di(a)|0;if(!((o+-48|0)>>>0<10&(g|0)<214748364))break;else j=o}j=((g|0)<0)<<31>>31;if((o+-48|0)>>>0<10){l=o;d=g;b=j;while(1){i=on(d|0,b|0,10,0)|0;p=I;q=Tn(l|0,((l|0)<0)<<31>>31|0,-48,-1)|0;r=Tn(q|0,I|0,i|0,p|0)|0;p=I;i=f[c>>2]|0;if(i>>>0<(f[e>>2]|0)>>>0){f[c>>2]=i+1;s=h[i>>0]|0}else s=Di(a)|0;if((s+-48|0)>>>0<10&((p|0)<21474836|(p|0)==21474836&r>>>0<2061584302)){l=s;d=r;b=p}else{t=s;u=r;v=p;break}}}else{t=o;u=g;v=j}if((t+-48|0)>>>0<10)do{t=f[c>>2]|0;if(t>>>0<(f[e>>2]|0)>>>0){f[c>>2]=t+1;w=h[t>>0]|0}else w=Di(a)|0}while((w+-48|0)>>>0<10);if(f[e>>2]|0)f[c>>2]=(f[c>>2]|0)+-1;c=(k|0)!=0;k=Vn(0,0,u|0,v|0)|0;m=c?I:v;n=c?k:u}I=m;return n|0}function Ee(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;b=a+1176|0;c=f[b>>2]|0;if(c|0){d=a+1180|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e;while(1){e=h+-12|0;f[d>>2]=e;i=f[e>>2]|0;if(!i)j=e;else{e=h+-8|0;k=f[e>>2]|0;if((k|0)!=(i|0))f[e>>2]=k+(~((k+-4-i|0)>>>2)<<2);br(i);j=f[d>>2]|0}if((j|0)==(c|0))break;else h=j}g=f[b>>2]|0}br(g)}g=a+1164|0;b=f[g>>2]|0;if(b|0){j=a+1168|0;h=f[j>>2]|0;if((h|0)==(b|0))l=b;else{c=h;while(1){h=c+-12|0;f[j>>2]=h;d=f[h>>2]|0;if(!d)m=h;else{h=c+-8|0;i=f[h>>2]|0;if((i|0)!=(d|0))f[h>>2]=i+(~((i+-4-d|0)>>>2)<<2);br(d);m=f[j>>2]|0}if((m|0)==(b|0))break;else c=m}l=f[g>>2]|0}br(l)}l=f[a+1152>>2]|0;if(l|0){g=a+1156|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);br(l)}l=f[a+1140>>2]|0;if(l|0){m=a+1144|0;g=f[m>>2]|0;if((g|0)!=(l|0))f[m>>2]=g+(~((g+-4-l|0)>>>2)<<2);br(l)}l=f[a+1128>>2]|0;if(!l){n=a+1108|0;dl(n);o=a+1088|0;dl(o);p=a+1068|0;dl(p);q=a+1036|0;tj(q);r=a+12|0;xh(r);return}g=a+1132|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);br(l);n=a+1108|0;dl(n);o=a+1088|0;dl(o);p=a+1068|0;dl(p);q=a+1036|0;tj(q);r=a+12|0;xh(r);return}function Fe(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=u;u=u+16|0;e=d;g=a+4|0;h=f[g>>2]|0;i=f[(f[a>>2]|0)+52>>2]|0;if(!h){if(!(Sa[i&31](a,c,0)|0)){j=0;u=d;return j|0}}else if(!(Sa[i&31](a,c,f[(f[h+4>>2]|0)+80>>2]|0)|0)){j=0;u=d;return j|0}if(!(b[a+28>>0]|0)){j=1;u=d;return j|0}h=f[a+8>>2]|0;i=f[a+32>>2]|0;a=f[h+80>>2]|0;f[e>>2]=0;k=e+4|0;f[k>>2]=0;f[e+8>>2]=0;do if(a)if(a>>>0>1073741823)mq(e);else{l=a<<2;m=dn(l)|0;f[e>>2]=m;n=m+(a<<2)|0;f[e+8>>2]=n;hj(m|0,0,l|0)|0;f[k>>2]=n;o=m;p=n;q=m;break}else{o=0;p=0;q=0}while(0);e=f[c+4>>2]|0;a=f[c>>2]|0;c=a;a:do if((e|0)!=(a|0)){m=e-a>>2;if(b[h+84>>0]|0){n=0;while(1){f[o+(f[c+(n<<2)>>2]<<2)>>2]=n;n=n+1|0;if(n>>>0>=m>>>0)break a}}n=f[h+68>>2]|0;l=0;do{f[o+(f[n+(f[c+(l<<2)>>2]<<2)>>2]<<2)>>2]=l;l=l+1|0}while(l>>>0>>0)}while(0);c=f[(f[(f[g>>2]|0)+4>>2]|0)+80>>2]|0;b:do if(c|0){g=f[i+68>>2]|0;if(b[h+84>>0]|0){a=0;while(1){f[g+(a<<2)>>2]=f[o+(a<<2)>>2];a=a+1|0;if(a>>>0>=c>>>0)break b}}a=f[h+68>>2]|0;e=0;do{f[g+(e<<2)>>2]=f[o+(f[a+(e<<2)>>2]<<2)>>2];e=e+1|0}while(e>>>0>>0)}while(0);if(o|0){if((p|0)!=(o|0))f[k>>2]=p+(~((p+-4-o|0)>>>2)<<2);br(q)}j=1;u=d;return j|0}function Ge(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;c=u;u=u+16|0;d=c;f[a>>2]=0;f[a+8>>2]=b;yh(a+12|0);rn(a+1036|0);to(a+1068|0);to(a+1088|0);to(a+1108|0);e=a+1128|0;f[e>>2]=0;g=a+1132|0;f[g>>2]=0;f[a+1136>>2]=0;h=(b|0)==0;do if(!h)if(b>>>0>1073741823)mq(e);else{i=b<<2;j=dn(i)|0;f[e>>2]=j;k=j+(b<<2)|0;f[a+1136>>2]=k;hj(j|0,0,i|0)|0;f[g>>2]=k;break}while(0);g=a+1140|0;f[g>>2]=0;e=a+1144|0;f[e>>2]=0;f[a+1148>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+1148>>2]=g;hj(i|0,0,k|0)|0;f[e>>2]=g}g=a+1152|0;f[g>>2]=0;e=a+1156|0;f[e>>2]=0;f[a+1160>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+1160>>2]=g;hj(i|0,0,k|0)|0;f[e>>2]=g}g=b<<5|1;f[d>>2]=0;e=d+4|0;f[e>>2]=0;f[d+8>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[d>>2]=i;j=i+(b<<2)|0;f[d+8>>2]=j;hj(i|0,0,k|0)|0;f[e>>2]=j}fk(a+1164|0,g,d);j=f[d>>2]|0;if(j|0){k=f[e>>2]|0;if((k|0)!=(j|0))f[e>>2]=k+(~((k+-4-j|0)>>>2)<<2);br(j)}f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;if(!h){h=b<<2;k=dn(h)|0;f[d>>2]=k;e=k+(b<<2)|0;f[d+8>>2]=e;hj(k|0,0,h|0)|0;f[j>>2]=e}fk(a+1176|0,g,d);g=f[d>>2]|0;if(!g){u=c;return}d=f[j>>2]|0;if((d|0)!=(g|0))f[j>>2]=d+(~((d+-4-g|0)>>>2)<<2);br(g);u=c;return}function He(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0.0,D=0.0,E=0.0;g=u;u=u+16|0;h=g;i=b+16|0;f[a>>2]=f[i>>2];f[a+4>>2]=f[i+4>>2];f[a+8>>2]=f[i+8>>2];f[a+12>>2]=f[i+12>>2];f[a+16>>2]=f[i+16>>2];f[a+20>>2]=f[i+20>>2];j=a+8|0;f[j>>2]=(f[j>>2]|0)+d;j=(d|0)>0;if(j){k=b+4|0;l=a+16|0;m=a+12|0;n=f[b>>2]|0;o=n;q=0;r=o;s=n;n=o;while(1){o=f[c+(q<<2)>>2]|0;t=f[k>>2]|0;if(t-s>>2>>>0>o>>>0){v=r;w=n}else{x=o+1|0;f[h>>2]=0;y=t-s>>2;z=s;A=t;if(x>>>0<=y>>>0)if(x>>>0>>0?(t=z+(x<<2)|0,(t|0)!=(A|0)):0){f[k>>2]=A+(~((A+-4-t|0)>>>2)<<2);B=r}else B=r;else{kh(b,x-y|0,h);B=f[b>>2]|0}v=B;w=B}y=w+(o<<2)|0;x=f[y>>2]|0;s=w;if((x|0)<=1)if((x|0)==0?(f[l>>2]=(f[l>>2]|0)+1,o>>>0>(f[m>>2]|0)>>>0):0){f[m>>2]=o;C=0.0}else C=0.0;else{D=+(x|0);C=+Fg(D)*D}x=(f[y>>2]|0)+1|0;f[y>>2]=x;D=+(x|0);E=+Fg(D)*D-C;p[a>>3]=+p[a>>3]+E;q=q+1|0;if((q|0)==(d|0))break;else{r=v;n=w}}}if(e){f[i>>2]=f[a>>2];f[i+4>>2]=f[a+4>>2];f[i+8>>2]=f[a+8>>2];f[i+12>>2]=f[a+12>>2];f[i+16>>2]=f[a+16>>2];u=g;return}if(!j){u=g;return}j=f[b>>2]|0;b=0;do{a=j+(f[c+(b<<2)>>2]<<2)|0;f[a>>2]=(f[a>>2]|0)+-1;b=b+1|0}while((b|0)!=(d|0));u=g;return}function Ie(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0.0;a:do if(b>>>0<=20)do switch(b|0){case 9:{d=(f[c>>2]|0)+(4-1)&~(4-1);e=f[d>>2]|0;f[c>>2]=d+4;f[a>>2]=e;break a;break}case 10:{e=(f[c>>2]|0)+(4-1)&~(4-1);d=f[e>>2]|0;f[c>>2]=e+4;e=a;f[e>>2]=d;f[e+4>>2]=((d|0)<0)<<31>>31;break a;break}case 11:{d=(f[c>>2]|0)+(4-1)&~(4-1);e=f[d>>2]|0;f[c>>2]=d+4;d=a;f[d>>2]=e;f[d+4>>2]=0;break a;break}case 12:{d=(f[c>>2]|0)+(8-1)&~(8-1);e=d;g=f[e>>2]|0;h=f[e+4>>2]|0;f[c>>2]=d+8;d=a;f[d>>2]=g;f[d+4>>2]=h;break a;break}case 13:{h=(f[c>>2]|0)+(4-1)&~(4-1);d=f[h>>2]|0;f[c>>2]=h+4;h=(d&65535)<<16>>16;d=a;f[d>>2]=h;f[d+4>>2]=((h|0)<0)<<31>>31;break a;break}case 14:{h=(f[c>>2]|0)+(4-1)&~(4-1);d=f[h>>2]|0;f[c>>2]=h+4;h=a;f[h>>2]=d&65535;f[h+4>>2]=0;break a;break}case 15:{h=(f[c>>2]|0)+(4-1)&~(4-1);d=f[h>>2]|0;f[c>>2]=h+4;h=(d&255)<<24>>24;d=a;f[d>>2]=h;f[d+4>>2]=((h|0)<0)<<31>>31;break a;break}case 16:{h=(f[c>>2]|0)+(4-1)&~(4-1);d=f[h>>2]|0;f[c>>2]=h+4;h=a;f[h>>2]=d&255;f[h+4>>2]=0;break a;break}case 17:{h=(f[c>>2]|0)+(8-1)&~(8-1);i=+p[h>>3];f[c>>2]=h+8;p[a>>3]=i;break a;break}case 18:{h=(f[c>>2]|0)+(8-1)&~(8-1);i=+p[h>>3];f[c>>2]=h+8;p[a>>3]=i;break a;break}default:break a}while(0);while(0);return}function Je(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;c=u;u=u+16|0;d=c+4|0;e=c;g=c+8|0;if(!(Qa[f[(f[a>>2]|0)+32>>2]&127](a)|0)){h=0;u=c;return h|0}i=a+44|0;j=f[i>>2]|0;k=a+8|0;l=a+12|0;m=f[l>>2]|0;n=f[k>>2]|0;b[g>>0]=(m-n|0)>>>2;o=j+16|0;p=f[o+4>>2]|0;if((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0){q=k;r=n;s=m}else{f[e>>2]=f[j+4>>2];f[d>>2]=f[e>>2];ye(j,d,g,g+1|0)|0;q=k;r=f[k>>2]|0;s=f[l>>2]|0}a:do if((r|0)!=(s|0)){l=a+4|0;k=r;while(1){g=f[k>>2]|0;k=k+4|0;if(!(Sa[f[(f[g>>2]|0)+8>>2]&31](g,a,f[l>>2]|0)|0)){h=0;break}if((k|0)==(s|0))break a}u=c;return h|0}while(0);if(!(vc(a)|0)){h=0;u=c;return h|0}s=a+32|0;r=f[s>>2]|0;k=a+36|0;l=f[k>>2]|0;b:do if((r|0)!=(l|0)){g=r;do{if(!(Ra[f[(f[a>>2]|0)+40>>2]&127](a,f[g>>2]|0)|0)){h=0;t=18;break}g=g+4|0}while((g|0)!=(l|0));if((t|0)==18){u=c;return h|0}g=f[s>>2]|0;d=f[k>>2]|0;if((g|0)!=(d|0)){j=g;while(1){g=f[(f[q>>2]|0)+(f[j>>2]<<2)>>2]|0;j=j+4|0;if(!(Ra[f[(f[g>>2]|0)+12>>2]&127](g,f[i>>2]|0)|0)){h=0;break}if((j|0)==(d|0))break b}u=c;return h|0}}while(0);h=Qa[f[(f[a>>2]|0)+44>>2]&127](a)|0;u=c;return h|0}function Ke(a,b){a=a|0;b=b|0;fd(a,b);fd(a+32|0,b);fd(a+64|0,b);fd(a+96|0,b);fd(a+128|0,b);fd(a+160|0,b);fd(a+192|0,b);fd(a+224|0,b);fd(a+256|0,b);fd(a+288|0,b);fd(a+320|0,b);fd(a+352|0,b);fd(a+384|0,b);fd(a+416|0,b);fd(a+448|0,b);fd(a+480|0,b);fd(a+512|0,b);fd(a+544|0,b);fd(a+576|0,b);fd(a+608|0,b);fd(a+640|0,b);fd(a+672|0,b);fd(a+704|0,b);fd(a+736|0,b);fd(a+768|0,b);fd(a+800|0,b);fd(a+832|0,b);fd(a+864|0,b);fd(a+896|0,b);fd(a+928|0,b);fd(a+960|0,b);fd(a+992|0,b);fd(a+1024|0,b);return}function Le(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;e=u;u=u+64|0;g=e+60|0;h=e;i=dn(80)|0;j=f[c+8>>2]|0;f[i+4>>2]=0;f[i>>2]=3232;k=i+8|0;l=i+12|0;m=l+44|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(m|0));f[k>>2]=3256;n=i+56|0;f[n>>2]=0;f[i+60>>2]=0;f[i+64>>2]=0;f[i+68>>2]=j;f[i+72>>2]=d;o=i+76|0;f[o>>2]=0;p=i;q=f[c+12>>2]|0;r=h+4|0;l=r+4|0;m=l+40|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(m|0));f[h>>2]=3256;l=h+48|0;f[l>>2]=0;m=h+52|0;f[m>>2]=0;f[h+56>>2]=0;s=q;f[r>>2]=s;t=((f[s+4>>2]|0)-(f[q>>2]|0)>>2>>>0)/3|0;b[g>>0]=0;Xg(h+24|0,t,g);t=f[r>>2]|0;r=(f[t+28>>2]|0)-(f[t+24>>2]|0)>>2;b[g>>0]=0;Xg(h+36|0,r,g);f[h+8>>2]=q;f[h+12>>2]=d;f[h+16>>2]=j;f[h+20>>2]=i;f[o>>2]=c+72;ef(k,h)|0;Yf(n,f[l>>2]|0,f[m>>2]|0);f[a>>2]=p;f[h>>2]=3256;p=f[l>>2]|0;if(p|0){l=f[m>>2]|0;if((l|0)!=(p|0))f[m>>2]=l+(~((l+-4-p|0)>>>2)<<2);br(p)}f[h>>2]=3276;p=f[h+36>>2]|0;if(p|0)br(p);p=f[h+24>>2]|0;if(!p){u=e;return}br(p);u=e;return}function Me(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0;c=u;u=u+32|0;d=c;e=a+4|0;g=f[a>>2]|0;h=(f[e>>2]|0)-g>>2;i=h+1|0;if(i>>>0>1073741823)mq(a);j=a+8|0;k=(f[j>>2]|0)-g|0;g=k>>1;l=k>>2>>>0<536870911?(g>>>0>>0?i:g):1073741823;f[d+12>>2]=0;f[d+16>>2]=a+8;do if(l)if(l>>>0>1073741823){g=ra(8)|0;Wo(g,14941);f[g>>2]=6944;va(g|0,1080,114)}else{m=dn(l<<2)|0;break}else m=0;while(0);f[d>>2]=m;g=m+(h<<2)|0;h=d+8|0;i=d+4|0;f[i>>2]=g;k=m+(l<<2)|0;l=d+12|0;f[l>>2]=k;m=f[b>>2]|0;f[b>>2]=0;f[g>>2]=m;m=g+4|0;f[h>>2]=m;b=f[a>>2]|0;n=f[e>>2]|0;if((n|0)==(b|0)){o=g;p=l;q=h;r=b;s=m;t=n;v=k;w=o;f[a>>2]=w;f[i>>2]=r;f[e>>2]=s;f[q>>2]=t;x=f[j>>2]|0;f[j>>2]=v;f[p>>2]=x;f[d>>2]=r;Wh(d);u=c;return}else{y=n;z=g}do{y=y+-4|0;g=f[y>>2]|0;f[y>>2]=0;f[z+-4>>2]=g;z=(f[i>>2]|0)+-4|0;f[i>>2]=z}while((y|0)!=(b|0));o=z;p=l;q=h;r=f[a>>2]|0;s=f[h>>2]|0;t=f[e>>2]|0;v=f[l>>2]|0;w=o;f[a>>2]=w;f[i>>2]=r;f[e>>2]=s;f[q>>2]=t;x=f[j>>2]|0;f[j>>2]=v;f[p>>2]=x;f[d>>2]=r;Wh(d);u=c;return}function Ne(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;d=u;u=u+32|0;e=d+12|0;g=d;h=hl(c,0)|0;if(!h){f[a>>2]=0;u=d;return}i=f[c+100>>2]|0;j=f[c+96>>2]|0;c=i-j|0;k=(c|0)/12|0;f[e>>2]=0;l=e+4|0;f[l>>2]=0;f[e+8>>2]=0;m=j;do if(c)if(k>>>0>357913941)mq(e);else{n=dn(c)|0;f[e>>2]=n;f[e+8>>2]=n+(k*12|0);hj(n|0,0,c|0)|0;f[l>>2]=n+c;o=n;break}else o=0;while(0);f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;a:do if((i|0)!=(j|0)){c=g+4|0;n=g+8|0;if(b[h+84>>0]|0){p=0;while(1){q=m+(p*12|0)|0;f[g>>2]=f[q>>2];f[g+4>>2]=f[q+4>>2];f[g+8>>2]=f[q+8>>2];f[o+(p*12|0)>>2]=f[g>>2];f[o+(p*12|0)+4>>2]=f[c>>2];f[o+(p*12|0)+8>>2]=f[n>>2];p=p+1|0;if(p>>>0>=k>>>0)break a}}p=f[h+68>>2]|0;q=0;do{r=f[p+(f[m+(q*12|0)>>2]<<2)>>2]|0;f[g>>2]=r;s=f[p+(f[m+(q*12|0)+4>>2]<<2)>>2]|0;f[c>>2]=s;t=f[p+(f[m+(q*12|0)+8>>2]<<2)>>2]|0;f[n>>2]=t;f[o+(q*12|0)>>2]=r;f[o+(q*12|0)+4>>2]=s;f[o+(q*12|0)+8>>2]=t;q=q+1|0}while(q>>>0>>0)}while(0);Cj(a,e);a=f[e>>2]|0;if(a|0){e=f[l>>2]|0;if((e|0)!=(a|0))f[l>>2]=e+(~(((e+-12-a|0)>>>0)/12|0)*12|0);br(a)}u=d;return}function Oe(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;c=u;u=u+16|0;d=c;f[a>>2]=0;f[a+8>>2]=b;rn(a+12|0);to(a+44|0);to(a+64|0);to(a+84|0);e=a+104|0;f[e>>2]=0;g=a+108|0;f[g>>2]=0;f[a+112>>2]=0;h=(b|0)==0;do if(!h)if(b>>>0>1073741823)mq(e);else{i=b<<2;j=dn(i)|0;f[e>>2]=j;k=j+(b<<2)|0;f[a+112>>2]=k;hj(j|0,0,i|0)|0;f[g>>2]=k;break}while(0);g=a+116|0;f[g>>2]=0;e=a+120|0;f[e>>2]=0;f[a+124>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+124>>2]=g;hj(i|0,0,k|0)|0;f[e>>2]=g}g=a+128|0;f[g>>2]=0;e=a+132|0;f[e>>2]=0;f[a+136>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+136>>2]=g;hj(i|0,0,k|0)|0;f[e>>2]=g}g=b<<5|1;f[d>>2]=0;e=d+4|0;f[e>>2]=0;f[d+8>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[d>>2]=i;j=i+(b<<2)|0;f[d+8>>2]=j;hj(i|0,0,k|0)|0;f[e>>2]=j}fk(a+140|0,g,d);j=f[d>>2]|0;if(j|0){k=f[e>>2]|0;if((k|0)!=(j|0))f[e>>2]=k+(~((k+-4-j|0)>>>2)<<2);br(j)}f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;if(!h){h=b<<2;k=dn(h)|0;f[d>>2]=k;e=k+(b<<2)|0;f[d+8>>2]=e;hj(k|0,0,h|0)|0;f[j>>2]=e}fk(a+152|0,g,d);g=f[d>>2]|0;if(!g){u=c;return}d=f[j>>2]|0;if((d|0)!=(g|0))f[j>>2]=d+(~((d+-4-g|0)>>>2)<<2);br(g);u=c;return}function Pe(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;c=u;u=u+16|0;d=c;f[a>>2]=0;f[a+8>>2]=b;to(a+12|0);to(a+32|0);to(a+52|0);to(a+72|0);e=a+92|0;f[e>>2]=0;g=a+96|0;f[g>>2]=0;f[a+100>>2]=0;h=(b|0)==0;do if(!h)if(b>>>0>1073741823)mq(e);else{i=b<<2;j=dn(i)|0;f[e>>2]=j;k=j+(b<<2)|0;f[a+100>>2]=k;hj(j|0,0,i|0)|0;f[g>>2]=k;break}while(0);g=a+104|0;f[g>>2]=0;e=a+108|0;f[e>>2]=0;f[a+112>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+112>>2]=g;hj(i|0,0,k|0)|0;f[e>>2]=g}g=a+116|0;f[g>>2]=0;e=a+120|0;f[e>>2]=0;f[a+124>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+124>>2]=g;hj(i|0,0,k|0)|0;f[e>>2]=g}g=b<<5|1;f[d>>2]=0;e=d+4|0;f[e>>2]=0;f[d+8>>2]=0;if(!h){k=b<<2;i=dn(k)|0;f[d>>2]=i;j=i+(b<<2)|0;f[d+8>>2]=j;hj(i|0,0,k|0)|0;f[e>>2]=j}fk(a+128|0,g,d);j=f[d>>2]|0;if(j|0){k=f[e>>2]|0;if((k|0)!=(j|0))f[e>>2]=k+(~((k+-4-j|0)>>>2)<<2);br(j)}f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;if(!h){h=b<<2;k=dn(h)|0;f[d>>2]=k;e=k+(b<<2)|0;f[d+8>>2]=e;hj(k|0,0,h|0)|0;f[j>>2]=e}fk(a+140|0,g,d);g=f[d>>2]|0;if(!g){u=c;return}d=f[j>>2]|0;if((d|0)!=(g|0))f[j>>2]=d+(~((d+-4-g|0)>>>2)<<2);br(g);u=c;return}function Qe(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0;d=dn(40)|0;e=d+16|0;dj(e,c);dj(d+28|0,c+12|0);c=a+4|0;g=f[c>>2]|0;do if(g){h=b[d+27>>0]|0;i=h<<24>>24<0;j=i?f[d+20>>2]|0:h&255;h=i?f[e>>2]|0:e;i=g;while(1){k=i+16|0;l=b[k+11>>0]|0;m=l<<24>>24<0;n=m?f[i+20>>2]|0:l&255;l=n>>>0>>0?n:j;if((l|0)!=0?(o=Pk(h,m?f[k>>2]|0:k,l)|0,(o|0)!=0):0)if((o|0)<0)p=7;else p=9;else if(j>>>0>>0)p=7;else p=9;if((p|0)==7){p=0;n=f[i>>2]|0;if(!n){p=8;break}else q=n}else if((p|0)==9){p=0;r=i+4|0;n=f[r>>2]|0;if(!n){p=11;break}else q=n}i=q}if((p|0)==8){s=i;t=i;break}else if((p|0)==11){s=i;t=r;break}}else{s=c;t=c}while(0);f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=s;f[t>>2]=d;s=f[f[a>>2]>>2]|0;if(!s){u=d;v=a+4|0;w=f[v>>2]|0;Ae(w,u);x=a+8|0;y=f[x>>2]|0;z=y+1|0;f[x>>2]=z;return d|0}f[a>>2]=s;u=f[t>>2]|0;v=a+4|0;w=f[v>>2]|0;Ae(w,u);x=a+8|0;y=f[x>>2]|0;z=y+1|0;f[x>>2]=z;return d|0}function Re(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=Oa,B=Oa;g=u;u=u+16|0;h=g;i=b[d+24>>0]|0;j=i<<24>>24;Bh(a,c,e,j,0,d,1);k=f[a>>2]|0;a=(f[f[k>>2]>>2]|0)+(f[k+48>>2]|0)|0;k=f[c+4>>2]|0;sq(h);yo(h,$(n[c+20>>2]),(1<>>0>1073741823?-1:j<<2)|0;if(!e){$q(k);u=g;return}l=d+68|0;m=d+48|0;o=d+40|0;p=c+8|0;c=(b[d+84>>0]|0)==0;if(i<<24>>24>0){q=0;r=0}else{i=0;do{if(c)s=f[(f[l>>2]|0)+(i<<2)>>2]|0;else s=i;t=m;v=f[t>>2]|0;w=f[t+4>>2]|0;t=o;x=f[t>>2]|0;y=on(x|0,f[t+4>>2]|0,s|0,0)|0;t=Tn(y|0,I|0,v|0,w|0)|0;Rg(k|0,(f[f[d>>2]>>2]|0)+t|0,x|0)|0;i=i+1|0}while((i|0)!=(e|0));$q(k);u=g;return}while(1){if(c)z=f[(f[l>>2]|0)+(r<<2)>>2]|0;else z=r;i=m;s=f[i>>2]|0;x=f[i+4>>2]|0;i=o;t=f[i>>2]|0;w=on(t|0,f[i+4>>2]|0,z|0,0)|0;i=Tn(w|0,I|0,s|0,x|0)|0;Rg(k|0,(f[f[d>>2]>>2]|0)+i|0,t|0)|0;t=f[p>>2]|0;A=$(n[h>>2]);i=0;x=q;while(1){B=$(n[k+(i<<2)>>2]);s=~~$(J($($(A*$(B-$(n[t+(i<<2)>>2])))+$(.5))));f[a+(x<<2)>>2]=s;i=i+1|0;if((i|0)==(j|0))break;else x=x+1|0}r=r+1|0;if((r|0)==(e|0))break;else q=q+j|0}$q(k);u=g;return}function Se(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3340;ii(a+200|0);b=f[a+184>>2]|0;if(b|0){c=a+188|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}_i(a+172|0);b=f[a+152>>2]|0;if(b|0){d=a+156|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+140>>2]|0;if(b|0)br(b);b=f[a+128>>2]|0;if(b|0){c=b;do{b=c;c=f[c>>2]|0;br(b)}while((c|0)!=0)}c=a+120|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0)br(b);b=f[a+108>>2]|0;if(b|0){c=a+112|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~(((d+-12-b|0)>>>0)/12|0)*12|0);br(b)}b=f[a+96>>2]|0;if(b|0){d=a+100|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+84>>2]|0;if(b|0)br(b);b=f[a+72>>2]|0;if(b|0){c=a+76|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+52>>2]|0;if(b|0){d=a+56|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+40>>2]|0;if(b|0){c=a+44|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+28>>2]|0;if(b|0)br(b);b=f[a+16>>2]|0;if(b|0){d=a+20|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=a+12|0;a=f[b>>2]|0;f[b>>2]=0;if(!a)return;ui(a);br(a);return}function Te(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;b=a+140|0;c=f[b>>2]|0;if(c|0){d=a+144|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e;while(1){e=h+-12|0;f[d>>2]=e;i=f[e>>2]|0;if(!i)j=e;else{e=h+-8|0;k=f[e>>2]|0;if((k|0)!=(i|0))f[e>>2]=k+(~((k+-4-i|0)>>>2)<<2);br(i);j=f[d>>2]|0}if((j|0)==(c|0))break;else h=j}g=f[b>>2]|0}br(g)}g=a+128|0;b=f[g>>2]|0;if(b|0){j=a+132|0;h=f[j>>2]|0;if((h|0)==(b|0))l=b;else{c=h;while(1){h=c+-12|0;f[j>>2]=h;d=f[h>>2]|0;if(!d)m=h;else{h=c+-8|0;i=f[h>>2]|0;if((i|0)!=(d|0))f[h>>2]=i+(~((i+-4-d|0)>>>2)<<2);br(d);m=f[j>>2]|0}if((m|0)==(b|0))break;else c=m}l=f[g>>2]|0}br(l)}l=f[a+116>>2]|0;if(l|0){g=a+120|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);br(l)}l=f[a+104>>2]|0;if(l|0){m=a+108|0;g=f[m>>2]|0;if((g|0)!=(l|0))f[m>>2]=g+(~((g+-4-l|0)>>>2)<<2);br(l)}l=f[a+92>>2]|0;if(!l){n=a+72|0;dl(n);o=a+52|0;dl(o);p=a+32|0;dl(p);q=a+12|0;dl(q);return}g=a+96|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);br(l);n=a+72|0;dl(n);o=a+52|0;dl(o);p=a+32|0;dl(p);q=a+12|0;dl(q);return}function Ue(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;b=a+152|0;c=f[b>>2]|0;if(c|0){d=a+156|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e;while(1){e=h+-12|0;f[d>>2]=e;i=f[e>>2]|0;if(!i)j=e;else{e=h+-8|0;k=f[e>>2]|0;if((k|0)!=(i|0))f[e>>2]=k+(~((k+-4-i|0)>>>2)<<2);br(i);j=f[d>>2]|0}if((j|0)==(c|0))break;else h=j}g=f[b>>2]|0}br(g)}g=a+140|0;b=f[g>>2]|0;if(b|0){j=a+144|0;h=f[j>>2]|0;if((h|0)==(b|0))l=b;else{c=h;while(1){h=c+-12|0;f[j>>2]=h;d=f[h>>2]|0;if(!d)m=h;else{h=c+-8|0;i=f[h>>2]|0;if((i|0)!=(d|0))f[h>>2]=i+(~((i+-4-d|0)>>>2)<<2);br(d);m=f[j>>2]|0}if((m|0)==(b|0))break;else c=m}l=f[g>>2]|0}br(l)}l=f[a+128>>2]|0;if(l|0){g=a+132|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);br(l)}l=f[a+116>>2]|0;if(l|0){m=a+120|0;g=f[m>>2]|0;if((g|0)!=(l|0))f[m>>2]=g+(~((g+-4-l|0)>>>2)<<2);br(l)}l=f[a+104>>2]|0;if(!l){n=a+84|0;dl(n);o=a+64|0;dl(o);p=a+44|0;dl(p);q=a+12|0;tj(q);return}g=a+108|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);br(l);n=a+84|0;dl(n);o=a+64|0;dl(o);p=a+44|0;dl(p);q=a+12|0;tj(q);return}function Ve(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3080;jj(a+200|0);b=f[a+184>>2]|0;if(b|0){c=a+188|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}_i(a+172|0);b=f[a+152>>2]|0;if(b|0){d=a+156|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+140>>2]|0;if(b|0)br(b);b=f[a+128>>2]|0;if(b|0){c=b;do{b=c;c=f[c>>2]|0;br(b)}while((c|0)!=0)}c=a+120|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0)br(b);b=f[a+108>>2]|0;if(b|0){c=a+112|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~(((d+-12-b|0)>>>0)/12|0)*12|0);br(b)}b=f[a+96>>2]|0;if(b|0){d=a+100|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+84>>2]|0;if(b|0)br(b);b=f[a+72>>2]|0;if(b|0){c=a+76|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+52>>2]|0;if(b|0){d=a+56|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+40>>2]|0;if(b|0){c=a+44|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+28>>2]|0;if(b|0)br(b);b=f[a+16>>2]|0;if(b|0){d=a+20|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=a+12|0;a=f[b>>2]|0;f[b>>2]=0;if(!a)return;ui(a);br(a);return}function We(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+48|0;d=c+44|0;e=c+40|0;g=c+36|0;h=c+32|0;i=c;f[h>>2]=f[a+60>>2];j=b+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)){f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,h,h+4|0)|0}rn(i);lk(i);if((f[h>>2]|0)>0){k=a+56|0;l=1;m=0;do{n=l;l=(f[(f[k>>2]|0)+(m>>>5<<2)>>2]&1<<(m&31)|0)!=0;Vi(i,n^l^1);m=m+1|0}while((m|0)<(f[h>>2]|0))}fd(i,b);f[g>>2]=f[a+12>>2];h=j;m=f[h>>2]|0;l=f[h+4>>2]|0;if((l|0)>0|(l|0)==0&m>>>0>0){o=l;p=m}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;m=j;o=f[m+4>>2]|0;p=f[m>>2]|0}f[g>>2]=f[a+20>>2];if((o|0)>0|(o|0)==0&p>>>0>0){tj(i);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;tj(i);u=c;return 1}function Xe(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;d=f[c>>2]|0;c=f[d>>2]|0;e=f[a+4>>2]|0;g=f[d+4>>2]|0;h=e+-1|0;i=(h&e|0)==0;if(!i)if(g>>>0>>0)j=g;else j=(g>>>0)%(e>>>0)|0;else j=h&g;g=(f[a>>2]|0)+(j<<2)|0;k=f[g>>2]|0;while(1){l=f[k>>2]|0;if((l|0)==(d|0))break;else k=l}if((k|0)!=(a+8|0)){l=f[k+4>>2]|0;if(!i)if(l>>>0>>0)m=l;else m=(l>>>0)%(e>>>0)|0;else m=l&h;if((m|0)==(j|0)){n=c;o=21}else o=13}else o=13;do if((o|0)==13){if(c|0){m=f[c+4>>2]|0;if(!i)if(m>>>0>>0)p=m;else p=(m>>>0)%(e>>>0)|0;else p=m&h;if((p|0)==(j|0)){q=c;r=c;o=22;break}}f[g>>2]=0;n=f[d>>2]|0;o=21}while(0);if((o|0)==21){g=n;if(!n)s=g;else{q=n;r=g;o=22}}if((o|0)==22){o=f[q+4>>2]|0;if(!i)if(o>>>0>>0)t=o;else t=(o>>>0)%(e>>>0)|0;else t=o&h;if((t|0)==(j|0))s=r;else{f[(f[a>>2]|0)+(t<<2)>>2]=k;s=f[d>>2]|0}}f[k>>2]=s;f[d>>2]=0;s=a+12|0;f[s>>2]=(f[s>>2]|0)+-1;if(!d)return c|0;s=d+8|0;a=f[d+20>>2]|0;if(a|0){k=d+24|0;if((f[k>>2]|0)!=(a|0))f[k>>2]=a;br(a)}if((b[s+11>>0]|0)<0)br(f[s>>2]|0);br(d);return c|0}function Ye(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0;b=u;u=u+16|0;c=b+4|0;d=b;f[c>>2]=0;e=c+4|0;f[e>>2]=0;f[c+8>>2]=0;g=a+56|0;h=f[g>>2]|0;i=(f[h+100>>2]|0)-(f[h+96>>2]|0)|0;j=(i|0)/12|0;if(!i){k=0;l=0}else{i=c+8|0;m=0;n=0;o=h;h=0;p=0;while(1){q=f[o+96>>2]|0;r=f[q+(n*12|0)>>2]|0;s=r-m|0;t=((s|0)>-1?s:0-s|0)<<1|s>>>31;f[d>>2]=t;if((h|0)==(p|0)){Ci(c,d);v=f[e>>2]|0;w=f[i>>2]|0}else{f[h>>2]=t;t=h+4|0;f[e>>2]=t;v=t;w=p}t=f[q+(n*12|0)+4>>2]|0;s=t-r|0;r=((s|0)>-1?s:0-s|0)<<1|s>>>31;f[d>>2]=r;if((v|0)==(w|0)){Ci(c,d);x=f[e>>2]|0;y=f[i>>2]|0}else{f[v>>2]=r;r=v+4|0;f[e>>2]=r;x=r;y=w}r=f[q+(n*12|0)+8>>2]|0;q=r-t|0;t=((q|0)>-1?q:0-q|0)<<1|q>>>31;f[d>>2]=t;if((x|0)==(y|0))Ci(c,d);else{f[x>>2]=t;f[e>>2]=x+4}t=n+1|0;if(t>>>0>=j>>>0)break;m=r;n=t;o=f[g>>2]|0;h=f[e>>2]|0;p=f[i>>2]|0}k=f[c>>2]|0;l=f[e>>2]|0}Dc(k,l-k>>2,1,0,f[a+44>>2]|0)|0;a=f[c>>2]|0;if(!a){u=b;return 1}c=f[e>>2]|0;if((c|0)!=(a|0))f[e>>2]=c+(~((c+-4-a|0)>>>2)<<2);br(a);u=b;return 1}function Ze(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=f[a+12>>2]|0;e=a+108|0;g=f[e>>2]|0;h=f[g+80>>2]|0;b[c+84>>0]=0;i=c+68|0;j=c+72|0;k=f[j>>2]|0;l=f[i>>2]|0;m=k-l>>2;n=l;l=k;if(h>>>0<=m>>>0)if(h>>>0>>0?(k=n+(h<<2)|0,(k|0)!=(l|0)):0){f[j>>2]=l+(~((l+-4-k|0)>>>2)<<2);o=g;p=h}else{o=g;p=h}else{kh(i,h-m|0,3220);m=f[e>>2]|0;o=m;p=f[m+80>>2]|0}m=(f[o+100>>2]|0)-(f[o+96>>2]|0)|0;e=(m|0)/12|0;if(!m){q=1;return q|0}m=a+112|0;a=c+68|0;c=f[o+96>>2]|0;o=0;while(1){h=o*3|0;if((h|0)==-1){q=0;r=12;break}i=f[d>>2]|0;g=f[i+(h<<2)>>2]|0;if((g|0)==-1){q=0;r=12;break}k=f[(f[m>>2]|0)+12>>2]|0;l=f[k+(g<<2)>>2]|0;if(l>>>0>=p>>>0){q=0;r=12;break}g=f[a>>2]|0;f[g+(f[c+(o*12|0)>>2]<<2)>>2]=l;l=h+1|0;if((l|0)==-1){q=0;r=12;break}j=f[i+(l<<2)>>2]|0;if((j|0)==-1){q=0;r=12;break}l=f[k+(j<<2)>>2]|0;if(l>>>0>=p>>>0){q=0;r=12;break}f[g+(f[c+(o*12|0)+4>>2]<<2)>>2]=l;l=h+2|0;if((l|0)==-1){q=0;r=12;break}h=f[i+(l<<2)>>2]|0;if((h|0)==-1){q=0;r=12;break}l=f[k+(h<<2)>>2]|0;if(l>>>0>=p>>>0){q=0;r=12;break}f[g+(f[c+(o*12|0)+8>>2]<<2)>>2]=l;o=o+1|0;if(o>>>0>=e>>>0){q=1;r=12;break}}if((r|0)==12)return q|0;return 0}function _e(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+48|0;d=c+44|0;e=c+40|0;g=c+36|0;h=c+32|0;i=c;f[h>>2]=f[a+80>>2];j=b+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)){f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,h,h+4|0)|0}rn(i);lk(i);if((f[h>>2]|0)>0){k=a+76|0;l=1;m=0;do{n=l;l=(f[(f[k>>2]|0)+(m>>>5<<2)>>2]&1<<(m&31)|0)!=0;Vi(i,n^l^1);m=m+1|0}while((m|0)<(f[h>>2]|0))}fd(i,b);f[g>>2]=f[a+12>>2];h=j;m=f[h>>2]|0;l=f[h+4>>2]|0;if((l|0)>0|(l|0)==0&m>>>0>0){o=l;p=m}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;m=j;o=f[m+4>>2]|0;p=f[m>>2]|0}f[g>>2]=f[a+16>>2];if((o|0)>0|(o|0)==0&p>>>0>0){tj(i);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;tj(i);u=c;return 1}function $e(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;b=u;u=u+16|0;c=b+4|0;d=b;e=a+8|0;g=a+12|0;h=f[g>>2]|0;$j(f[a+4>>2]|0,(f[h+28>>2]|0)-(f[h+24>>2]|0)>>2);h=a+96|0;i=f[g>>2]|0;j=(f[i+28>>2]|0)-(f[i+24>>2]|0)>>2;f[c>>2]=0;i=a+100|0;k=f[i>>2]|0;l=f[h>>2]|0;m=k-l>>2;n=l;l=k;if(j>>>0<=m>>>0){if(j>>>0>>0?(k=n+(j<<2)|0,(k|0)!=(l|0)):0)f[i>>2]=l+(~((l+-4-k|0)>>>2)<<2)}else kh(h,j-m|0,c);m=a+116|0;a=f[m>>2]|0;if(!a){j=f[g>>2]|0;g=(f[j+4>>2]|0)-(f[j>>2]|0)>>2;j=(g>>>0)/3|0;if(g>>>0<=2){o=1;u=b;return o|0}g=0;while(1){f[d>>2]=g*3;f[c>>2]=f[d>>2];g=g+1|0;if(!(vb(e,c)|0)){o=0;p=15;break}if((g|0)>=(j|0)){o=1;p=15;break}}if((p|0)==15){u=b;return o|0}}else{j=f[a>>2]|0;if((f[a+4>>2]|0)==(j|0)){o=1;u=b;return o|0}a=0;g=j;while(1){f[d>>2]=f[g+(a<<2)>>2];f[c>>2]=f[d>>2];a=a+1|0;if(!(vb(e,c)|0)){o=0;p=15;break}j=f[m>>2]|0;g=f[j>>2]|0;if(a>>>0>=(f[j+4>>2]|0)-g>>2>>>0){o=1;p=15;break}}if((p|0)==15){u=b;return o|0}}return 0}function af(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=f[a+12>>2]|0;e=a+68|0;g=f[e>>2]|0;h=f[g+80>>2]|0;b[c+84>>0]=0;i=c+68|0;j=c+72|0;k=f[j>>2]|0;l=f[i>>2]|0;m=k-l>>2;n=l;l=k;if(h>>>0<=m>>>0)if(h>>>0>>0?(k=n+(h<<2)|0,(k|0)!=(l|0)):0){f[j>>2]=l+(~((l+-4-k|0)>>>2)<<2);o=g;p=h}else{o=g;p=h}else{kh(i,h-m|0,3220);m=f[e>>2]|0;o=m;p=f[m+80>>2]|0}m=(f[o+100>>2]|0)-(f[o+96>>2]|0)|0;e=(m|0)/12|0;if(!m){q=1;return q|0}m=a+72|0;a=c+68|0;c=f[o+96>>2]|0;o=0;while(1){h=o*3|0;if((h|0)==-1){q=0;r=12;break}i=f[d>>2]|0;g=f[i+(h<<2)>>2]|0;if((g|0)==-1){q=0;r=12;break}k=f[(f[m>>2]|0)+12>>2]|0;l=f[k+(g<<2)>>2]|0;if(l>>>0>=p>>>0){q=0;r=12;break}g=f[a>>2]|0;f[g+(f[c+(o*12|0)>>2]<<2)>>2]=l;l=h+1|0;if((l|0)==-1){q=0;r=12;break}j=f[i+(l<<2)>>2]|0;if((j|0)==-1){q=0;r=12;break}l=f[k+(j<<2)>>2]|0;if(l>>>0>=p>>>0){q=0;r=12;break}f[g+(f[c+(o*12|0)+4>>2]<<2)>>2]=l;l=h+2|0;if((l|0)==-1){q=0;r=12;break}h=f[i+(l<<2)>>2]|0;if((h|0)==-1){q=0;r=12;break}l=f[k+(h<<2)>>2]|0;if(l>>>0>=p>>>0){q=0;r=12;break}f[g+(f[c+(o*12|0)+8>>2]<<2)>>2]=l;o=o+1|0;if(o>>>0>=e>>>0){q=1;r=12;break}}if((r|0)==12)return q|0;return 0}function bf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=u;u=u+16|0;d=c+12|0;e=c+8|0;g=c+4|0;h=c;if(!b){i=dn(76)|0;j=dn(12)|0;k=f[(f[a+4>>2]|0)+80>>2]|0;f[j+4>>2]=0;f[j>>2]=3584;f[j+8>>2]=k;f[h>>2]=j;ml(i,h,0);j=i;f[g>>2]=j;i=a+12|0;k=f[i>>2]|0;if(k>>>0<(f[a+16>>2]|0)>>>0){f[g>>2]=0;f[k>>2]=j;f[i>>2]=k+4;l=g}else{yg(a+8|0,g);l=g}g=f[l>>2]|0;f[l>>2]=0;if(g|0)Va[f[(f[g>>2]|0)+4>>2]&127](g);g=f[h>>2]|0;f[h>>2]=0;if(!g){u=c;return 1}Va[f[(f[g>>2]|0)+4>>2]&127](g);u=c;return 1}g=f[f[a+8>>2]>>2]|0;f[d>>2]=b;a=g+4|0;h=g+8|0;l=f[h>>2]|0;if((l|0)==(f[g+12>>2]|0))Ci(a,d);else{f[l>>2]=b;f[h>>2]=l+4}l=f[d>>2]|0;b=g+16|0;k=g+20|0;g=f[k>>2]|0;i=f[b>>2]|0;j=g-i>>2;m=i;if((l|0)<(j|0)){n=m;o=l}else{i=l+1|0;f[e>>2]=-1;p=g;if(i>>>0<=j>>>0)if(i>>>0>>0?(g=m+(i<<2)|0,(g|0)!=(p|0)):0){f[k>>2]=p+(~((p+-4-g|0)>>>2)<<2);q=l;r=m}else{q=l;r=m}else{kh(b,i-j|0,e);q=f[d>>2]|0;r=f[b>>2]|0}n=r;o=q}f[n+(o<<2)>>2]=((f[h>>2]|0)-(f[a>>2]|0)>>2)+-1;u=c;return 1}function cf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;d=a+8|0;e=f[d>>2]|0;g=f[a>>2]|0;h=g;do if(e-g>>3>>>0>=b>>>0){i=a+4|0;j=f[i>>2]|0;k=j-g>>3;l=k>>>0>>0;m=l?k:b;n=j;if(m|0){j=m;m=h;while(1){o=c;p=f[o+4>>2]|0;q=m;f[q>>2]=f[o>>2];f[q+4>>2]=p;j=j+-1|0;if(!j)break;else m=m+8|0}}if(!l){m=h+(b<<3)|0;if((m|0)==(n|0))return;else{r=i;s=n+(~((n+-8-m|0)>>>3)<<3)|0;break}}else{m=b-k|0;j=m;p=n;while(1){q=c;o=f[q+4>>2]|0;t=p;f[t>>2]=f[q>>2];f[t+4>>2]=o;j=j+-1|0;if(!j)break;else p=p+8|0}r=i;s=n+(m<<3)|0;break}}else{p=g;if(!g)u=e;else{j=a+4|0;k=f[j>>2]|0;if((k|0)!=(h|0))f[j>>2]=k+(~((k+-8-g|0)>>>3)<<3);br(p);f[d>>2]=0;f[j>>2]=0;f[a>>2]=0;u=0}if(b>>>0>536870911)mq(a);j=u>>2;p=u>>3>>>0<268435455?(j>>>0>>0?b:j):536870911;if(p>>>0>536870911)mq(a);j=dn(p<<3)|0;k=a+4|0;f[k>>2]=j;f[a>>2]=j;f[d>>2]=j+(p<<3);p=b;l=j;while(1){o=c;t=f[o+4>>2]|0;q=l;f[q>>2]=f[o>>2];f[q+4>>2]=t;p=p+-1|0;if(!p)break;else l=l+8|0}r=k;s=j+(b<<3)|0}while(0);f[r>>2]=s;return}function df(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0.0,g=0.0,h=0.0,i=0.0,j=0.0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;e=+$(n[b>>2]);g=+K(+e);h=+$(n[b+4>>2]);i=g+ +K(+h);g=+$(n[b+8>>2]);j=i+ +K(+g);b=j>1.0e-06;i=1.0/j;k=f[a+12>>2]|0;j=+(k|0);l=~~+J(+((b?i*e:1.0)*j+.5));m=~~+J(+((b?i*h:0.0)*j+.5));o=(l|0)>-1;p=k-(o?l:0-l|0)-((m|0)>-1?m:0-m|0)|0;l=(p|0)<0;q=(l?((m|0)>0?p:0-p|0):0)+m|0;m=l?0:p;p=(b?i*g:0.0)<0.0?0-m|0:m;do if(!o){if((q|0)<0)r=(p|0)>-1?p:0-p|0;else r=(f[a+8>>2]|0)-((p|0)>-1?p:0-p|0)|0;if((p|0)<0){s=(q|0)>-1?q:0-q|0;t=r;break}else{s=(f[a+8>>2]|0)-((q|0)>-1?q:0-q|0)|0;t=r;break}}else{s=k+p|0;t=k+q|0}while(0);q=(t|0)==0;p=(s|0)==0;r=f[a+8>>2]|0;if(!(s|t)){u=r;v=r;f[c>>2]=u;f[d>>2]=v;return}a=(r|0)==(s|0);if(q&a){u=s;v=s;f[c>>2]=u;f[d>>2]=v;return}o=(r|0)==(t|0);if(p&o){u=t;v=t;f[c>>2]=u;f[d>>2]=v;return}if(q&(k|0)<(s|0)){u=0;v=(k<<1)-s|0;f[c>>2]=u;f[d>>2]=v;return}if(o&(k|0)>(s|0)){u=t;v=(k<<1)-s|0;f[c>>2]=u;f[d>>2]=v;return}if(a&(k|0)>(t|0)){u=(k<<1)-t|0;v=s;f[c>>2]=u;f[d>>2]=v;return}if(!p){u=t;v=s;f[c>>2]=u;f[d>>2]=v;return}u=(k|0)<(t|0)?(k<<1)-t|0:t;v=0;f[c>>2]=u;f[d>>2]=v;return}function ef(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=a+4|0;d=b+4|0;f[c>>2]=f[d>>2];f[c+4>>2]=f[d+4>>2];f[c+8>>2]=f[d+8>>2];f[c+12>>2]=f[d+12>>2];f[c+16>>2]=f[d+16>>2];d=a+24|0;c=b+24|0;if((a|0)==(b|0))return a|0;e=b+28|0;g=f[e>>2]|0;if(!g)h=0;else{i=a+32|0;do if(g>>>0>f[i>>2]<<5>>>0){j=f[d>>2]|0;if(!j)k=g;else{br(j);f[d>>2]=0;f[i>>2]=0;f[a+28>>2]=0;k=f[e>>2]|0}if((k|0)<0)mq(d);else{j=((k+-1|0)>>>5)+1|0;l=dn(j<<2)|0;f[d>>2]=l;f[a+28>>2]=0;f[i>>2]=j;m=f[e>>2]|0;n=l;break}}else{m=g;n=f[d>>2]|0}while(0);Xl(n|0,f[c>>2]|0,((m+-1|0)>>>5<<2)+4|0)|0;h=f[e>>2]|0}f[a+28>>2]=h;h=a+36|0;e=b+36|0;m=b+40|0;b=f[m>>2]|0;if(!b)o=0;else{c=a+44|0;do if(b>>>0>f[c>>2]<<5>>>0){n=f[h>>2]|0;if(!n)p=b;else{br(n);f[h>>2]=0;f[c>>2]=0;f[a+40>>2]=0;p=f[m>>2]|0}if((p|0)<0)mq(h);else{n=((p+-1|0)>>>5)+1|0;d=dn(n<<2)|0;f[h>>2]=d;f[a+40>>2]=0;f[c>>2]=n;q=f[m>>2]|0;r=d;break}}else{q=b;r=f[h>>2]|0}while(0);Xl(r|0,f[e>>2]|0,((q+-1|0)>>>5<<2)+4|0)|0;o=f[m>>2]|0}f[a+40>>2]=o;return a|0}function ff(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+32|0;h=g+12|0;i=g;f[a>>2]=f[d>>2];d=a+4|0;f[d>>2]=(f[c>>2]|0)-(f[b>>2]|0);j=e+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)?(k=e+4|0,f[i>>2]=f[k>>2],f[h>>2]=f[i>>2],ye(e,h,a,a+4|0)|0,l=j,j=f[l+4>>2]|0,!((j|0)>0|(j|0)==0&(f[l>>2]|0)>>>0>0)):0){f[i>>2]=f[k>>2];f[h>>2]=f[i>>2];ye(e,h,d,d+4|0)|0;m=i}else m=i;if(!(f[d>>2]|0)){u=g;return 1}d=a+12|0;og(d);m=a+1068|0;Cm(m);k=a+1088|0;Cm(k);l=a+1108|0;Cm(l);f[i>>2]=f[b>>2];f[i+4>>2]=f[b+4>>2];f[i+8>>2]=f[b+8>>2];f[h>>2]=f[c>>2];f[h+4>>2]=f[c+4>>2];f[h+8>>2]=f[c+8>>2];jb(a,i,h);Ke(d,e);mg(m,e);mg(k,e);mg(l,e);u=g;return 1}function gf(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+32|0;h=g+12|0;i=g;f[a>>2]=f[d>>2];d=a+4|0;f[d>>2]=(f[c>>2]|0)-(f[b>>2]|0);j=e+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)?(k=e+4|0,f[i>>2]=f[k>>2],f[h>>2]=f[i>>2],ye(e,h,a,a+4|0)|0,l=j,j=f[l+4>>2]|0,!((j|0)>0|(j|0)==0&(f[l>>2]|0)>>>0>0)):0){f[i>>2]=f[k>>2];f[h>>2]=f[i>>2];ye(e,h,d,d+4|0)|0;m=i}else m=i;if(!(f[d>>2]|0)){u=g;return 1}d=a+12|0;og(d);m=a+1068|0;Cm(m);k=a+1088|0;Cm(k);l=a+1108|0;Cm(l);f[i>>2]=f[b>>2];f[i+4>>2]=f[b+4>>2];f[i+8>>2]=f[b+8>>2];f[h>>2]=f[c>>2];f[h+4>>2]=f[c+4>>2];f[h+8>>2]=f[c+8>>2];mb(a,i,h);Ke(d,e);mg(m,e);mg(k,e);mg(l,e);u=g;return 1}function hf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;c=u;u=u+32|0;d=c;e=a+8|0;g=f[e>>2]|0;h=a+4|0;i=f[h>>2]|0;j=i;if(g-i>>2>>>0>=b>>>0){hj(i|0,0,b<<2|0)|0;f[h>>2]=i+(b<<2);u=c;return}k=f[a>>2]|0;l=i-k>>2;m=l+b|0;n=k;if(m>>>0>1073741823)mq(a);o=g-k|0;p=o>>1;q=o>>2>>>0<536870911?(p>>>0>>0?m:p):1073741823;f[d+12>>2]=0;f[d+16>>2]=a+8;do if(q)if(q>>>0>1073741823){p=ra(8)|0;Wo(p,14941);f[p>>2]=6944;va(p|0,1080,114)}else{r=dn(q<<2)|0;break}else r=0;while(0);f[d>>2]=r;p=r+(l<<2)|0;l=d+8|0;m=d+4|0;f[m>>2]=p;o=r+(q<<2)|0;q=d+12|0;f[q>>2]=o;r=p+(b<<2)|0;hj(p|0,0,b<<2|0)|0;f[l>>2]=r;if((j|0)==(n|0)){s=p;t=q;v=l;w=k;x=r;y=i;z=o;A=g}else{g=j;j=p;do{g=g+-4|0;p=f[g>>2]|0;f[g>>2]=0;f[j+-4>>2]=p;j=(f[m>>2]|0)+-4|0;f[m>>2]=j}while((g|0)!=(n|0));s=j;t=q;v=l;w=f[a>>2]|0;x=f[l>>2]|0;y=f[h>>2]|0;z=f[q>>2]|0;A=f[e>>2]|0}f[a>>2]=s;f[m>>2]=w;f[h>>2]=x;f[v>>2]=y;f[e>>2]=z;f[t>>2]=A;f[d>>2]=w;Wh(d);u=c;return}function jf(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;d=u;u=u+16|0;h=d;i=f[a+124>>2]|0;if(!i){u=d;return}j=i+-1|0;k=(j&i|0)==0;if(!k)if(i>>>0>g>>>0)l=g;else l=(g>>>0)%(i>>>0)|0;else l=j&g;m=f[(f[a+120>>2]|0)+(l<<2)>>2]|0;if(!m){u=d;return}n=f[m>>2]|0;if(!n){u=d;return}a:do if(k){m=n;while(1){o=f[m+4>>2]|0;p=(o|0)==(g|0);if(!(p|(o&j|0)==(l|0))){q=24;break}if(p?(f[m+8>>2]|0)==(g|0):0){r=m;break a}m=f[m>>2]|0;if(!m){q=24;break}}if((q|0)==24){u=d;return}}else{m=n;while(1){p=f[m+4>>2]|0;if((p|0)==(g|0)){if((f[m+8>>2]|0)==(g|0)){r=m;break a}}else{if(p>>>0>>0)s=p;else s=(p>>>0)%(i>>>0)|0;if((s|0)!=(l|0)){q=24;break}}m=f[m>>2]|0;if(!m){q=24;break}}if((q|0)==24){u=d;return}}while(0);q=f[r+12>>2]|0;if((q|0)==-1){u=d;return}f[h>>2]=q;f[h+4>>2]=c;b[h+8>>0]=e&1;e=a+112|0;c=f[e>>2]|0;if((c|0)==(f[a+116>>2]|0))ki(a+108|0,h);else{f[c>>2]=f[h>>2];f[c+4>>2]=f[h+4>>2];f[c+8>>2]=f[h+8>>2];f[e>>2]=(f[e>>2]|0)+12}u=d;return}function kf(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=d[b>>1]|0;e=d[b+2>>1]|0;g=d[b+4>>1]|0;h=d[b+6>>1]|0;b=((((c^318)&65535)+239^e&65535)+239^g&65535)+239^h&65535;i=f[a+4>>2]|0;if(!i){j=0;return j|0}k=i+-1|0;l=(k&i|0)==0;if(!l)if(b>>>0>>0)m=b;else m=(b>>>0)%(i>>>0)|0;else m=b&k;n=f[(f[a>>2]|0)+(m<<2)>>2]|0;if(!n){j=0;return j|0}a=f[n>>2]|0;if(!a){j=0;return j|0}if(l){l=a;while(1){n=f[l+4>>2]|0;o=(n|0)==(b|0);if(!(o|(n&k|0)==(m|0))){j=0;p=25;break}if((((o?(o=l+8|0,(d[o>>1]|0)==c<<16>>16):0)?(d[o+2>>1]|0)==e<<16>>16:0)?(d[l+12>>1]|0)==g<<16>>16:0)?(d[o+6>>1]|0)==h<<16>>16:0){j=l;p=25;break}l=f[l>>2]|0;if(!l){j=0;p=25;break}}if((p|0)==25)return j|0}else q=a;while(1){a=f[q+4>>2]|0;if((a|0)==(b|0)){l=q+8|0;if((((d[l>>1]|0)==c<<16>>16?(d[l+2>>1]|0)==e<<16>>16:0)?(d[q+12>>1]|0)==g<<16>>16:0)?(d[l+6>>1]|0)==h<<16>>16:0){j=q;p=25;break}}else{if(a>>>0>>0)r=a;else r=(a>>>0)%(i>>>0)|0;if((r|0)!=(m|0)){j=0;p=25;break}}q=f[q>>2]|0;if(!q){j=0;p=25;break}}if((p|0)==25)return j|0;return 0}function lf(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+32|0;h=g+12|0;i=g;f[a>>2]=f[d>>2];d=a+4|0;f[d>>2]=(f[c>>2]|0)-(f[b>>2]|0);j=e+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)?(k=e+4|0,f[i>>2]=f[k>>2],f[h>>2]=f[i>>2],ye(e,h,a,a+4|0)|0,l=j,j=f[l+4>>2]|0,!((j|0)>0|(j|0)==0&(f[l>>2]|0)>>>0>0)):0){f[i>>2]=f[k>>2];f[h>>2]=f[i>>2];ye(e,h,d,d+4|0)|0;m=i}else m=i;if(!(f[d>>2]|0)){u=g;return 1}d=a+12|0;Cm(d);m=a+32|0;Cm(m);k=a+52|0;Cm(k);l=a+72|0;Cm(l);f[i>>2]=f[b>>2];f[i+4>>2]=f[b+4>>2];f[i+8>>2]=f[b+8>>2];f[h>>2]=f[c>>2];f[h+4>>2]=f[c+4>>2];f[h+8>>2]=f[c+8>>2];hb(a,i,h);mg(d,e);mg(m,e);mg(k,e);mg(l,e);u=g;return 1}function mf(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+32|0;h=g+12|0;i=g;f[a>>2]=f[d>>2];d=a+4|0;f[d>>2]=(f[c>>2]|0)-(f[b>>2]|0);j=e+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)?(k=e+4|0,f[i>>2]=f[k>>2],f[h>>2]=f[i>>2],ye(e,h,a,a+4|0)|0,l=j,j=f[l+4>>2]|0,!((j|0)>0|(j|0)==0&(f[l>>2]|0)>>>0>0)):0){f[i>>2]=f[k>>2];f[h>>2]=f[i>>2];ye(e,h,d,d+4|0)|0;m=i}else m=i;if(!(f[d>>2]|0)){u=g;return 1}d=a+12|0;lk(d);m=a+44|0;Cm(m);k=a+64|0;Cm(k);l=a+84|0;Cm(l);f[i>>2]=f[b>>2];f[i+4>>2]=f[b+4>>2];f[i+8>>2]=f[b+8>>2];f[h>>2]=f[c>>2];f[h+4>>2]=f[c+4>>2];f[h+8>>2]=f[c+8>>2];nb(a,i,h);fd(d,e);mg(m,e);mg(k,e);mg(l,e);u=g;return 1}function nf(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0;a=u;u=u+16|0;e=a+4|0;g=a;h=a+8|0;i=d+11|0;j=b[i>>0]|0;k=j<<24>>24<0;if(k){l=f[d+4>>2]|0;if(l>>>0>255){m=0;u=a;return m|0}else n=l}else n=j&255;if(!n){b[h>>0]=0;n=c+16|0;l=f[n+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[n>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+1|0)|0}m=1;u=a;return m|0}n=d+4|0;l=f[n>>2]|0;b[h>>0]=k?l:j&255;k=c+16|0;o=k;p=f[o>>2]|0;q=f[o+4>>2]|0;if((q|0)>0|(q|0)==0&p>>>0>0){r=j;s=q;t=p;v=l}else{f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+1|0)|0;h=k;r=b[i>>0]|0;s=f[h+4>>2]|0;t=f[h>>2]|0;v=f[n>>2]|0}n=r<<24>>24<0;h=n?f[d>>2]|0:d;if(!((s|0)>0|(s|0)==0&t>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+(n?v:r&255)|0)|0}m=1;u=a;return m|0}function of(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=a+4|0;d=f[a>>2]|0;e=((f[c>>2]|0)-d|0)/24|0;g=e+1|0;if(g>>>0>178956970)mq(a);h=a+8|0;i=((f[h>>2]|0)-d|0)/24|0;d=i<<1;j=i>>>0<89478485?(d>>>0>>0?g:d):178956970;do if(j)if(j>>>0>178956970){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}else{k=dn(j*24|0)|0;break}else k=0;while(0);d=k+(e*24|0)|0;g=d;i=k+(j*24|0)|0;f[d>>2]=1180;f[k+(e*24|0)+4>>2]=f[b+4>>2];_j(k+(e*24|0)+8|0,b+8|0);f[k+(e*24|0)+20>>2]=f[b+20>>2];b=d+24|0;e=f[a>>2]|0;k=f[c>>2]|0;if((k|0)==(e|0)){l=g;m=e;n=e}else{j=k;k=g;g=d;do{f[g+-24>>2]=1180;f[g+-20>>2]=f[j+-20>>2];d=g+-16|0;o=j+-16|0;f[d>>2]=0;p=g+-12|0;f[p>>2]=0;f[g+-8>>2]=0;f[d>>2]=f[o>>2];d=j+-12|0;f[p>>2]=f[d>>2];p=j+-8|0;f[g+-8>>2]=f[p>>2];f[p>>2]=0;f[d>>2]=0;f[o>>2]=0;f[g+-4>>2]=f[j+-4>>2];j=j+-24|0;g=k+-24|0;k=g}while((j|0)!=(e|0));l=k;m=f[a>>2]|0;n=f[c>>2]|0}f[a>>2]=l;f[c>>2]=b;f[h>>2]=i;i=m;if((n|0)!=(i|0)){h=n;do{h=h+-24|0;Va[f[f[h>>2]>>2]&127](h)}while((h|0)!=(i|0))}if(!m)return;br(m);return}function pf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=b[c>>0]|0;e=b[c+1>>0]|0;g=b[c+2>>0]|0;h=b[c+3>>0]|0;c=(((d&255^318)+239^e&255)+239^g&255)+239^h&255;i=f[a+4>>2]|0;if(!i){j=0;return j|0}k=i+-1|0;l=(k&i|0)==0;if(!l)if(c>>>0>>0)m=c;else m=(c>>>0)%(i>>>0)|0;else m=c&k;n=f[(f[a>>2]|0)+(m<<2)>>2]|0;if(!n){j=0;return j|0}a=f[n>>2]|0;if(!a){j=0;return j|0}if(l){l=a;while(1){n=f[l+4>>2]|0;o=(n|0)==(c|0);if(!(o|(n&k|0)==(m|0))){j=0;p=25;break}if((((o?(o=l+8|0,(b[o>>0]|0)==d<<24>>24):0)?(b[o+1>>0]|0)==e<<24>>24:0)?(b[o+2>>0]|0)==g<<24>>24:0)?(b[o+3>>0]|0)==h<<24>>24:0){j=l;p=25;break}l=f[l>>2]|0;if(!l){j=0;p=25;break}}if((p|0)==25)return j|0}else q=a;while(1){a=f[q+4>>2]|0;if((a|0)==(c|0)){l=q+8|0;if((((b[l>>0]|0)==d<<24>>24?(b[l+1>>0]|0)==e<<24>>24:0)?(b[l+2>>0]|0)==g<<24>>24:0)?(b[l+3>>0]|0)==h<<24>>24:0){j=q;p=25;break}}else{if(a>>>0>>0)r=a;else r=(a>>>0)%(i>>>0)|0;if((r|0)!=(m|0)){j=0;p=25;break}}q=f[q>>2]|0;if(!q){j=0;p=25;break}}if((p|0)==25)return j|0;return 0}function qf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;d=u;u=u+32|0;h=d+24|0;i=d+16|0;j=d;k=d+8|0;l=a+40|0;f[a+44>>2]=g;g=a+36|0;m=f[g>>2]|0;n=f[m+4>>2]|0;o=f[m>>2]|0;p=n-o|0;if((p|0)<=0){u=d;return 1}q=(p>>>2)+-1|0;p=a+8|0;r=a+48|0;s=a+52|0;a=i+4|0;t=j+4|0;v=h+4|0;if(n-o>>2>>>0>q>>>0){w=q;x=o}else{y=m;mq(y)}while(1){f[k>>2]=f[x+(w<<2)>>2];f[h>>2]=f[k>>2];tb(l,h,b,w)|0;m=X(w,e)|0;o=b+(m<<2)|0;q=c+(m<<2)|0;m=f[o+4>>2]|0;n=f[r>>2]|0;z=f[s>>2]|0;f[i>>2]=f[o>>2];f[a>>2]=m;f[j>>2]=n;f[t>>2]=z;Dd(h,p,i,j);f[q>>2]=f[h>>2];f[q+4>>2]=f[v>>2];w=w+-1|0;if((w|0)<=-1){A=3;break}q=f[g>>2]|0;x=f[q>>2]|0;if((f[q+4>>2]|0)-x>>2>>>0<=w>>>0){y=q;A=4;break}}if((A|0)==3){u=d;return 1}else if((A|0)==4)mq(y);return 0}function rf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0;h=u;u=u+32|0;i=h;j=h+16|0;k=f[(f[(f[b+4>>2]|0)+8>>2]|0)+(d<<2)>>2]|0;do if((c+-1|0)>>>0<6&(Qa[f[(f[b>>2]|0)+8>>2]&127](b)|0)==1){l=Qa[f[(f[b>>2]|0)+52>>2]&127](b)|0;m=Ra[f[(f[b>>2]|0)+60>>2]&127](b,d)|0;if((l|0)==0|(m|0)==0){f[a>>2]=0;u=h;return}n=Ra[f[(f[b>>2]|0)+56>>2]&127](b,d)|0;if(!n){f[i>>2]=f[b+56>>2];f[i+4>>2]=l;f[i+12>>2]=m;f[i+8>>2]=m+12;Rd(a,j,c,k,e,i,g);if(!(f[a>>2]|0)){f[a>>2]=0;break}u=h;return}else{f[i>>2]=f[b+56>>2];f[i+4>>2]=n;f[i+12>>2]=m;f[i+8>>2]=m+12;Pd(a,j,c,k,e,i,g);if(!(f[a>>2]|0)){f[a>>2]=0;break}u=h;return}}while(0);f[a>>2]=0;u=h;return}function sf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;d=u;u=u+32|0;h=d+24|0;i=d+16|0;j=d;k=d+8|0;l=a+40|0;f[a+44>>2]=g;g=a+36|0;m=f[g>>2]|0;n=f[m+4>>2]|0;o=f[m>>2]|0;p=n-o|0;if((p|0)<=0){u=d;return 1}q=(p>>>2)+-1|0;p=a+8|0;r=a+48|0;s=a+52|0;a=i+4|0;t=j+4|0;v=h+4|0;if(n-o>>2>>>0>q>>>0){w=q;x=o}else{y=m;mq(y)}while(1){f[k>>2]=f[x+(w<<2)>>2];f[h>>2]=f[k>>2];sb(l,h,b,w)|0;m=X(w,e)|0;o=b+(m<<2)|0;q=c+(m<<2)|0;m=f[o+4>>2]|0;n=f[r>>2]|0;z=f[s>>2]|0;f[i>>2]=f[o>>2];f[a>>2]=m;f[j>>2]=n;f[t>>2]=z;Dd(h,p,i,j);f[q>>2]=f[h>>2];f[q+4>>2]=f[v>>2];w=w+-1|0;if((w|0)<=-1){A=3;break}q=f[g>>2]|0;x=f[q>>2]|0;if((f[q+4>>2]|0)-x>>2>>>0<=w>>>0){y=q;A=4;break}}if((A|0)==3){u=d;return 1}else if((A|0)==4)mq(y);return 0}function tf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;d=f[b>>2]|0;b=f[c>>2]|0;e=b-d>>2;g=a+8|0;h=f[g>>2]|0;i=f[a>>2]|0;j=i;k=b;if(e>>>0<=h-i>>2>>>0){l=a+4|0;m=(f[l>>2]|0)-i>>2;n=e>>>0>m>>>0;o=n?d+(m<<2)|0:b;b=o-d|0;m=b>>2;if(m|0)Xl(i|0,d|0,b|0)|0;b=j+(m<<2)|0;if(!n){n=f[l>>2]|0;if((n|0)==(b|0))return;f[l>>2]=n+(~((n+-4-b|0)>>>2)<<2);return}b=f[c>>2]|0;c=o;if((b|0)==(c|0))return;n=f[l>>2]|0;m=b+-4-o|0;o=c;c=n;while(1){f[c>>2]=f[o>>2];o=o+4|0;if((o|0)==(b|0))break;else c=c+4|0}f[l>>2]=n+((m>>>2)+1<<2);return}m=i;if(!i)p=h;else{h=a+4|0;n=f[h>>2]|0;if((n|0)!=(j|0))f[h>>2]=n+(~((n+-4-i|0)>>>2)<<2);br(m);f[g>>2]=0;f[h>>2]=0;f[a>>2]=0;p=0}if(e>>>0>1073741823)mq(a);h=p>>1;m=p>>2>>>0<536870911?(h>>>0>>0?e:h):1073741823;if(m>>>0>1073741823)mq(a);h=dn(m<<2)|0;e=a+4|0;f[e>>2]=h;f[a>>2]=h;f[g>>2]=h+(m<<2);m=d;if((k|0)==(m|0))return;g=k+-4-d|0;d=m;m=h;while(1){f[m>>2]=f[d>>2];d=d+4|0;if((d|0)==(k|0))break;else m=m+4|0}f[e>>2]=h+((g>>>2)+1<<2);return}function uf(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;e=u;u=u+112|0;g=e+100|0;h=e;i=dn(120)|0;j=f[c+8>>2]|0;f[i+4>>2]=0;f[i>>2]=3296;k=i+8|0;l=i+12|0;m=l+44|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(m|0));f[k>>2]=3320;l=i+56|0;m=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(m|0));f[i+96>>2]=0;f[i+100>>2]=0;f[i+104>>2]=0;f[i+108>>2]=j;f[i+112>>2]=d;k=i+116|0;f[k>>2]=0;n=i;o=f[c+12>>2]|0;p=h+4|0;l=p+4|0;m=l+40|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(m|0));f[h>>2]=3320;l=h+48|0;m=l+36|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(m|0));f[h+88>>2]=0;f[h+92>>2]=0;f[h+96>>2]=0;l=o;f[p>>2]=l;m=((f[l+4>>2]|0)-(f[o>>2]|0)>>2>>>0)/3|0;b[g>>0]=0;Xg(h+24|0,m,g);m=f[p>>2]|0;p=(f[m+28>>2]|0)-(f[m+24>>2]|0)>>2;b[g>>0]=0;Xg(h+36|0,p,g);f[h+8>>2]=o;f[h+12>>2]=d;f[h+16>>2]=j;f[h+20>>2]=i;f[k>>2]=c+72;fh(i,h);f[a>>2]=n;Gi(h);u=e;return}function vf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;h=g;if(((d-g|0)/12|0)>>>0>=b>>>0){hj(g|0,0,b*12|0)|0;f[e>>2]=h+(b*12|0);return}i=f[a>>2]|0;j=(g-i|0)/12|0;g=j+b|0;k=i;if(g>>>0>357913941)mq(a);l=(d-i|0)/12|0;d=l<<1;m=l>>>0<178956970?(d>>>0>>0?g:d):357913941;do if(m)if(m>>>0>357913941){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}else{n=dn(m*12|0)|0;break}else n=0;while(0);d=n+(j*12|0)|0;j=d;g=n+(m*12|0)|0;hj(d|0,0,b*12|0)|0;m=d+(b*12|0)|0;if((h|0)==(k|0)){o=j;p=i;q=h}else{i=h;h=j;j=d;do{d=j+-12|0;b=i;i=i+-12|0;f[d>>2]=0;n=j+-8|0;f[n>>2]=0;f[j+-4>>2]=0;f[d>>2]=f[i>>2];d=b+-8|0;f[n>>2]=f[d>>2];n=b+-4|0;f[j+-4>>2]=f[n>>2];f[n>>2]=0;f[d>>2]=0;f[i>>2]=0;j=h+-12|0;h=j}while((i|0)!=(k|0));o=h;p=f[a>>2]|0;q=f[e>>2]|0}f[a>>2]=o;f[e>>2]=m;f[c>>2]=g;g=p;if((q|0)!=(g|0)){c=q;do{q=c;c=c+-12|0;m=f[c>>2]|0;if(m|0){e=q+-8|0;q=f[e>>2]|0;if((q|0)!=(m|0))f[e>>2]=q+(~((q+-4-m|0)>>>2)<<2);br(m)}}while((c|0)!=(g|0))}if(!p)return;br(p);return}function wf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=f[a+12>>2]|0;e=a+68|0;g=f[e>>2]|0;h=f[g+80>>2]|0;b[c+84>>0]=0;i=c+68|0;j=c+72|0;k=f[j>>2]|0;l=f[i>>2]|0;m=k-l>>2;n=l;l=k;if(h>>>0<=m>>>0)if(h>>>0>>0?(k=n+(h<<2)|0,(k|0)!=(l|0)):0){f[j>>2]=l+(~((l+-4-k|0)>>>2)<<2);o=g;p=h}else{o=g;p=h}else{kh(i,h-m|0,3220);m=f[e>>2]|0;o=m;p=f[m+80>>2]|0}m=(f[o+100>>2]|0)-(f[o+96>>2]|0)|0;e=(m|0)/12|0;if(!m){q=1;return q|0}m=a+72|0;a=c+68|0;c=f[o+96>>2]|0;o=f[d+28>>2]|0;d=0;while(1){h=d*3|0;i=f[o+(h<<2)>>2]|0;if((i|0)==-1){q=0;r=11;break}g=f[(f[m>>2]|0)+12>>2]|0;k=f[g+(i<<2)>>2]|0;if(k>>>0>=p>>>0){q=0;r=11;break}i=f[a>>2]|0;f[i+(f[c+(d*12|0)>>2]<<2)>>2]=k;k=f[o+(h+1<<2)>>2]|0;if((k|0)==-1){q=0;r=11;break}l=f[g+(k<<2)>>2]|0;if(l>>>0>=p>>>0){q=0;r=11;break}f[i+(f[c+(d*12|0)+4>>2]<<2)>>2]=l;l=f[o+(h+2<<2)>>2]|0;if((l|0)==-1){q=0;r=11;break}h=f[g+(l<<2)>>2]|0;if(h>>>0>=p>>>0){q=0;r=11;break}f[i+(f[c+(d*12|0)+8>>2]<<2)>>2]=h;d=d+1|0;if(d>>>0>=e>>>0){q=1;r=11;break}}if((r|0)==11)return q|0;return 0}function xf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-4194304|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-4177920|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+4194304|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1077936128|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Cn(e);eh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;Xl(h+a|0,h|0,o|0)|0;Rg(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Tn(a|0,0,o|0,k|0)|0;k=Tn(h|0,I|0,g|0,j|0)|0;vl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)br(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;br(c);u=d;return}function yf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-2097152|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-2080768|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+6291456|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1075838976|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Cn(e);eh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;Xl(h+a|0,h|0,o|0)|0;Rg(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Tn(a|0,0,o|0,k|0)|0;k=Tn(h|0,I|0,g|0,j|0)|0;vl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)br(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;br(c);u=d;return}function zf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-1048576|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1032192|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+7340032|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1074790400|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Cn(e);eh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;Xl(h+a|0,h|0,o|0)|0;Rg(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Tn(a|0,0,o|0,k|0)|0;k=Tn(h|0,I|0,g|0,j|0)|0;vl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)br(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;br(c);u=d;return}function Af(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;a=u;u=u+96|0;j=a;if(!c){k=-1;u=a;return k|0}Lm(j);yj(j,d,0,g&255,i,0,g<<1,0,0,0);i=uh(c,j,1,e)|0;d=f[(f[c+8>>2]|0)+(i<<2)>>2]|0;if(e|0){l=d+84|0;m=d+68|0;n=d+40|0;o=d+64|0;d=0;do{if(!(b[l>>0]|0))p=f[(f[m>>2]|0)+(d<<2)>>2]|0;else p=d;q=h+((X(d,g)|0)<<1)|0;r=n;s=f[r>>2]|0;t=on(s|0,f[r+4>>2]|0,p|0,0)|0;Rg((f[f[o>>2]>>2]|0)+t|0,q|0,s|0)|0;d=d+1|0}while((d|0)!=(e|0))}d=c+80|0;c=f[d>>2]|0;if(c)if((c|0)==(e|0))v=10;else w=-1;else{f[d>>2]=e;v=10}if((v|0)==10)w=i;i=j+88|0;v=f[i>>2]|0;f[i>>2]=0;if(v|0){i=f[v+8>>2]|0;if(i|0){e=v+12|0;if((f[e>>2]|0)!=(i|0))f[e>>2]=i;br(i)}br(v)}v=f[j+68>>2]|0;if(v|0){i=j+72|0;e=f[i>>2]|0;if((e|0)!=(v|0))f[i>>2]=e+(~((e+-4-v|0)>>>2)<<2);br(v)}v=j+64|0;j=f[v>>2]|0;f[v>>2]=0;if(j|0){v=f[j>>2]|0;if(v|0){e=j+4|0;if((f[e>>2]|0)!=(v|0))f[e>>2]=v;br(v)}br(j)}k=w;u=a;return k|0}function Bf(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;a=u;u=u+96|0;j=a;if(!c){k=-1;u=a;return k|0}Lm(j);yj(j,d,0,g&255,i,0,g<<2,0,0,0);i=uh(c,j,1,e)|0;d=f[(f[c+8>>2]|0)+(i<<2)>>2]|0;if(e|0){l=d+84|0;m=d+68|0;n=d+40|0;o=d+64|0;d=0;do{if(!(b[l>>0]|0))p=f[(f[m>>2]|0)+(d<<2)>>2]|0;else p=d;q=h+((X(d,g)|0)<<2)|0;r=n;s=f[r>>2]|0;t=on(s|0,f[r+4>>2]|0,p|0,0)|0;Rg((f[f[o>>2]>>2]|0)+t|0,q|0,s|0)|0;d=d+1|0}while((d|0)!=(e|0))}d=c+80|0;c=f[d>>2]|0;if(c)if((c|0)==(e|0))v=10;else w=-1;else{f[d>>2]=e;v=10}if((v|0)==10)w=i;i=j+88|0;v=f[i>>2]|0;f[i>>2]=0;if(v|0){i=f[v+8>>2]|0;if(i|0){e=v+12|0;if((f[e>>2]|0)!=(i|0))f[e>>2]=i;br(i)}br(v)}v=f[j+68>>2]|0;if(v|0){i=j+72|0;e=f[i>>2]|0;if((e|0)!=(v|0))f[i>>2]=e+(~((e+-4-v|0)>>>2)<<2);br(v)}v=j+64|0;j=f[v>>2]|0;f[v>>2]=0;if(j|0){v=f[j>>2]|0;if(v|0){e=j+4|0;if((f[e>>2]|0)!=(v|0))f[e>>2]=v;br(v)}br(j)}k=w;u=a;return k|0}function Cf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-262144|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-245760|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+8126464|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1074003968|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Cn(e);eh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;Xl(h+a|0,h|0,o|0)|0;Rg(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Tn(a|0,0,o|0,k|0)|0;k=Tn(h|0,I|0,g|0,j|0)|0;vl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)br(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;br(c);u=d;return}function Df(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-131072|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-114688|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+8257536|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1073872896|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Cn(e);eh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;Xl(h+a|0,h|0,o|0)|0;Rg(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Tn(a|0,0,o|0,k|0)|0;k=Tn(h|0,I|0,g|0,j|0)|0;vl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)br(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;br(c);u=d;return}function Ef(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-32768|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-16384|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+8355840|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1073774592|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Cn(e);eh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;Xl(h+a|0,h|0,o|0)|0;Rg(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Tn(a|0,0,o|0,k|0)|0;k=Tn(h|0,I|0,g|0,j|0)|0;vl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)br(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;br(c);u=d;return}function Ff(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=f[b>>2]|0;d=f[b+4>>2]|0;e=f[b+8>>2]|0;g=f[b+12>>2]|0;b=(((c^318)+239^d)+239^e)+239^g;h=f[a+4>>2]|0;if(!h){i=0;return i|0}j=h+-1|0;k=(j&h|0)==0;if(!k)if(b>>>0>>0)l=b;else l=(b>>>0)%(h>>>0)|0;else l=b&j;m=f[(f[a>>2]|0)+(l<<2)>>2]|0;if(!m){i=0;return i|0}a=f[m>>2]|0;if(!a){i=0;return i|0}if(k){k=a;while(1){m=f[k+4>>2]|0;n=(m|0)==(b|0);if(!(n|(m&j|0)==(l|0))){i=0;o=25;break}if((((n?(f[k+8>>2]|0)==(c|0):0)?(f[k+12>>2]|0)==(d|0):0)?(f[k+16>>2]|0)==(e|0):0)?(f[k+20>>2]|0)==(g|0):0){i=k;o=25;break}k=f[k>>2]|0;if(!k){i=0;o=25;break}}if((o|0)==25)return i|0}else p=a;while(1){a=f[p+4>>2]|0;if((a|0)==(b|0)){if((((f[p+8>>2]|0)==(c|0)?(f[p+12>>2]|0)==(d|0):0)?(f[p+16>>2]|0)==(e|0):0)?(f[p+20>>2]|0)==(g|0):0){i=p;o=25;break}}else{if(a>>>0>>0)q=a;else q=(a>>>0)%(h>>>0)|0;if((q|0)!=(l|0)){i=0;o=25;break}}p=f[p>>2]|0;if(!p){i=0;o=25;break}}if((o|0)==25)return i|0;return 0}function Gf(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;a=u;u=u+96|0;j=a;if(!c){k=-1;u=a;return k|0}Lm(j);yj(j,d,0,g&255,i,0,g,0,0,0);i=uh(c,j,1,e)|0;d=f[(f[c+8>>2]|0)+(i<<2)>>2]|0;if(e|0){l=d+84|0;m=d+68|0;n=d+40|0;o=d+64|0;d=0;do{if(!(b[l>>0]|0))p=f[(f[m>>2]|0)+(d<<2)>>2]|0;else p=d;q=h+(X(d,g)|0)|0;r=n;s=f[r>>2]|0;t=on(s|0,f[r+4>>2]|0,p|0,0)|0;Rg((f[f[o>>2]>>2]|0)+t|0,q|0,s|0)|0;d=d+1|0}while((d|0)!=(e|0))}d=c+80|0;c=f[d>>2]|0;if(c)if((c|0)==(e|0))v=10;else w=-1;else{f[d>>2]=e;v=10}if((v|0)==10)w=i;i=j+88|0;v=f[i>>2]|0;f[i>>2]=0;if(v|0){i=f[v+8>>2]|0;if(i|0){e=v+12|0;if((f[e>>2]|0)!=(i|0))f[e>>2]=i;br(i)}br(v)}v=f[j+68>>2]|0;if(v|0){i=j+72|0;e=f[i>>2]|0;if((e|0)!=(v|0))f[i>>2]=e+(~((e+-4-v|0)>>>2)<<2);br(v)}v=j+64|0;j=f[v>>2]|0;f[v>>2]=0;if(j|0){v=f[j>>2]|0;if(v|0){e=j+4|0;if((f[e>>2]|0)!=(v|0))f[e>>2]=v;br(v)}br(j)}k=w;u=a;return k|0}function Hf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0;h=u;u=u+32|0;i=h;j=h+16|0;k=f[(f[(f[b+4>>2]|0)+8>>2]|0)+(d<<2)>>2]|0;do if((c+-1|0)>>>0<6&(Qa[f[(f[b>>2]|0)+8>>2]&127](b)|0)==1){l=Qa[f[(f[b>>2]|0)+52>>2]&127](b)|0;m=Ra[f[(f[b>>2]|0)+60>>2]&127](b,d)|0;if((l|0)==0|(m|0)==0){f[a>>2]=0;u=h;return}n=Ra[f[(f[b>>2]|0)+56>>2]&127](b,d)|0;if(!n){f[i>>2]=f[b+56>>2];f[i+4>>2]=l;f[i+12>>2]=m;f[i+8>>2]=m+12;Od(a,j,c,k,e,i,g);if(!(f[a>>2]|0)){f[a>>2]=0;break}u=h;return}else{f[i>>2]=f[b+56>>2];f[i+4>>2]=n;f[i+12>>2]=m;f[i+8>>2]=m+12;Nd(a,j,c,k,e,i,g);if(!(f[a>>2]|0)){f[a>>2]=0;break}u=h;return}}while(0);f[a>>2]=0;u=h;return}function If(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;e=f[d>>2]|0;g=f[d+4>>2]|0;if((e|0)==(g|0)){h=0;i=a+12|0;j=a+8|0}else{d=f[c>>2]|0;c=a+8|0;k=a+12|0;a=0;l=e;while(1){e=f[l>>2]|0;m=f[d+(e<<2)>>2]|0;if(m>>>0>>0)n=a;else{o=f[c>>2]|0;p=(f[k>>2]|0)-o|0;q=o;if((p|0)>0){o=p>>>2;p=0;do{r=f[q+(p<<2)>>2]|0;s=f[r+68>>2]|0;if(!(b[r+84>>0]|0))t=f[s+(e<<2)>>2]|0;else t=e;f[s+(m<<2)>>2]=t;p=p+1|0}while((p|0)<(o|0))}n=m+1|0}l=l+4|0;if((l|0)==(g|0)){h=n;i=k;j=c;break}else a=n}}n=f[i>>2]|0;a=f[j>>2]|0;if((n-a|0)>0){u=0;v=a;w=n}else return;while(1){n=f[v+(u<<2)>>2]|0;b[n+84>>0]=0;a=n+68|0;c=n+72|0;n=f[c>>2]|0;k=f[a>>2]|0;g=n-k>>2;l=k;k=n;if(h>>>0<=g>>>0)if(h>>>0>>0?(n=l+(h<<2)|0,(n|0)!=(k|0)):0){f[c>>2]=k+(~((k+-4-n|0)>>>2)<<2);x=v;y=w}else{x=v;y=w}else{kh(a,h-g|0,5908);x=f[j>>2]|0;y=f[i>>2]|0}u=u+1|0;if((u|0)>=(y-x>>2|0))break;else{v=x;w=y}}return}function Jf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=b;e=c-d>>2;g=a+8|0;h=f[g>>2]|0;i=f[a>>2]|0;j=i;if(e>>>0<=h-i>>2>>>0){k=a+4|0;l=(f[k>>2]|0)-i>>2;m=e>>>0>l>>>0;n=b+(l<<2)|0;l=m?n:c;o=l;p=o-d|0;q=p>>2;if(q|0)Xl(i|0,b|0,p|0)|0;p=j+(q<<2)|0;if(!m){m=f[k>>2]|0;if((m|0)==(p|0))return;f[k>>2]=m+(~((m+-4-p|0)>>>2)<<2);return}if((l|0)==(c|0))return;l=f[k>>2]|0;p=((c+-4-o|0)>>>2)+1|0;o=n;n=l;while(1){f[n>>2]=f[o>>2];o=o+4|0;if((o|0)==(c|0))break;else n=n+4|0}f[k>>2]=l+(p<<2);return}p=i;if(!i)r=h;else{h=a+4|0;l=f[h>>2]|0;if((l|0)!=(j|0))f[h>>2]=l+(~((l+-4-i|0)>>>2)<<2);br(p);f[g>>2]=0;f[h>>2]=0;f[a>>2]=0;r=0}if(e>>>0>1073741823)mq(a);h=r>>1;p=r>>2>>>0<536870911?(h>>>0>>0?e:h):1073741823;if(p>>>0>1073741823)mq(a);h=dn(p<<2)|0;e=a+4|0;f[e>>2]=h;f[a>>2]=h;f[g>>2]=h+(p<<2);if((b|0)==(c|0))return;p=((c+-4-d|0)>>>2)+1|0;d=b;b=h;while(1){f[b>>2]=f[d>>2];d=d+4|0;if((d|0)==(c|0))break;else b=b+4|0}f[e>>2]=h+(p<<2);return}function Kf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;c=u;u=u+16|0;d=c;e=a+76|0;g=f[e>>2]|0;h=a+80|0;i=f[h>>2]|0;if((i|0)!=(g|0))f[h>>2]=i+(~((i+-4-g|0)>>>2)<<2);f[e>>2]=0;f[h>>2]=0;f[a+84>>2]=0;if(g|0)br(g);g=a+64|0;h=f[g>>2]|0;e=a+68|0;if((f[e>>2]|0)!=(h|0))f[e>>2]=h;f[g>>2]=0;f[e>>2]=0;f[a+72>>2]=0;if(h|0)br(h);h=b+4|0;e=f[h>>2]|0;g=f[b>>2]|0;i=((e-g|0)/12|0)*3|0;j=a+4|0;k=f[j>>2]|0;l=f[a>>2]|0;m=k-l>>2;n=l;l=k;k=g;if(i>>>0<=m>>>0)if(i>>>0>>0?(o=n+(i<<2)|0,(o|0)!=(l|0)):0){f[j>>2]=l+(~((l+-4-o|0)>>>2)<<2);p=e;q=g;r=k}else{p=e;q=g;r=k}else{oi(a,i-m|0);m=f[b>>2]|0;p=f[h>>2]|0;q=m;r=m}if((p|0)!=(q|0)){q=f[a>>2]|0;m=(p-r|0)/12|0;p=0;do{h=p*3|0;f[q+(h<<2)>>2]=f[r+(p*12|0)>>2];f[q+(h+1<<2)>>2]=f[r+(p*12|0)+4>>2];f[q+(h+2<<2)>>2]=f[r+(p*12|0)+8>>2];p=p+1|0}while(p>>>0>>0)}f[d>>2]=-1;if(!(oc(a,d)|0)){s=0;u=c;return s|0}Gc(a)|0;fb(a,f[d>>2]|0)|0;s=1;u=c;return s|0}function Lf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-16384|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;b[m>>0]=j;b[m+1>>0]=j>>>8;n=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;o=j+8372224|0;b[m>>0]=o;b[m+1>>0]=o>>>8;b[m+2>>0]=o>>>16;n=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;o=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+-1073758208|0;b[o>>0]=m;b[o+1>>0]=m>>>8;b[o+2>>0]=m>>>16;b[o+3>>0]=m>>>24;n=(f[l>>2]|0)+4|0;break}else{n=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;n=(f[l>>2]|0)+1|0}while(0);k=((n|0)<0)<<31>>31;Cn(e);eh(n,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;Xl(h+a|0,h|0,n|0)|0;Rg(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Tn(a|0,0,n|0,k|0)|0;k=Tn(h|0,I|0,g|0,j|0)|0;vl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)br(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;br(c);u=d;return}function Mf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=b;e=c-d>>2;g=a+8|0;h=f[g>>2]|0;i=f[a>>2]|0;j=i;if(e>>>0<=h-i>>2>>>0){k=a+4|0;l=(f[k>>2]|0)-i>>2;m=e>>>0>l>>>0;n=b+(l<<2)|0;l=m?n:c;o=l;p=o-d|0;q=p>>2;if(q|0)Xl(i|0,b|0,p|0)|0;p=j+(q<<2)|0;if(!m){m=f[k>>2]|0;if((m|0)==(p|0))return;f[k>>2]=m+(~((m+-4-p|0)>>>2)<<2);return}if((l|0)==(c|0))return;l=f[k>>2]|0;p=c+-4-o|0;o=n;n=l;while(1){f[n>>2]=f[o>>2];o=o+4|0;if((o|0)==(c|0))break;else n=n+4|0}f[k>>2]=l+((p>>>2)+1<<2);return}p=i;if(!i)r=h;else{h=a+4|0;l=f[h>>2]|0;if((l|0)!=(j|0))f[h>>2]=l+(~((l+-4-i|0)>>>2)<<2);br(p);f[g>>2]=0;f[h>>2]=0;f[a>>2]=0;r=0}if(e>>>0>1073741823)mq(a);h=r>>1;p=r>>2>>>0<536870911?(h>>>0>>0?e:h):1073741823;if(p>>>0>1073741823)mq(a);h=dn(p<<2)|0;e=a+4|0;f[e>>2]=h;f[a>>2]=h;f[g>>2]=h+(p<<2);if((b|0)==(c|0))return;p=c+-4-d|0;d=b;b=h;while(1){f[b>>2]=f[d>>2];d=d+4|0;if((d|0)==(c|0))break;else b=b+4|0}f[e>>2]=h+((p>>>2)+1<<2);return}function Nf(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0;g=u;u=u+80|0;h=g;i=g+64|0;Al(h);j=f[(f[a+8>>2]|0)+56>>2]|0;k=X(Ll(5)|0,d)|0;yj(h,j,0,d&255,5,0,k,((k|0)<0)<<31>>31,0,0);k=dn(96)|0;nl(k,h);pj(k,c)|0;f[i>>2]=k;Wi(a,i);k=f[i>>2]|0;f[i>>2]=0;if(k|0){i=k+88|0;c=f[i>>2]|0;f[i>>2]=0;if(c|0){i=f[c+8>>2]|0;if(i|0){h=c+12|0;if((f[h>>2]|0)!=(i|0))f[h>>2]=i;br(i)}br(c)}c=f[k+68>>2]|0;if(c|0){i=k+72|0;h=f[i>>2]|0;if((h|0)!=(c|0))f[i>>2]=h+(~((h+-4-c|0)>>>2)<<2);br(c)}c=k+64|0;h=f[c>>2]|0;f[c>>2]=0;if(h|0){c=f[h>>2]|0;if(c|0){i=h+4|0;if((f[i>>2]|0)!=(c|0))f[i>>2]=c;br(c)}br(h)}br(k)}if(!e){u=g;return}k=f[a+32>>2]|0;b[k+84>>0]=0;a=k+68|0;h=k+72|0;k=f[h>>2]|0;c=f[a>>2]|0;i=k-c>>2;d=k;if(i>>>0>>0){kh(a,e-i|0,1516);u=g;return}if(i>>>0<=e>>>0){u=g;return}i=c+(e<<2)|0;if((i|0)==(d|0)){u=g;return}f[h>>2]=d+(~((d+-4-i|0)>>>2)<<2);u=g;return}function Of(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;c=u;u=u+16|0;d=c+4|0;e=c;g=a+4|0;h=f[g>>2]|0;i=a+8|0;j=f[i>>2]|0;if((j|0)==(h|0))k=h;else{l=j+(~((j+-4-h|0)>>>2)<<2)|0;f[i>>2]=l;k=l}l=a+16|0;h=f[l>>2]|0;j=a+20|0;m=f[j>>2]|0;n=h;if((m|0)!=(h|0))f[j>>2]=m+(~((m+-4-n|0)>>>2)<<2);m=f[b>>2]|0;h=f[b+4>>2]|0;if((m|0)==(h|0)){u=c;return}b=a+12|0;a=m;m=k;k=n;while(1){n=f[a>>2]|0;f[d>>2]=n;if((m|0)==(f[b>>2]|0)){Ci(g,d);o=f[l>>2]|0}else{f[m>>2]=n;f[i>>2]=m+4;o=k}n=f[d>>2]|0;p=f[j>>2]|0;q=p-o>>2;r=o;if((n|0)<(q|0)){s=r;t=n;v=o}else{w=n+1|0;f[e>>2]=-1;x=p;if(w>>>0<=q>>>0)if(w>>>0>>0?(p=r+(w<<2)|0,(p|0)!=(x|0)):0){f[j>>2]=x+(~((x+-4-p|0)>>>2)<<2);y=n;z=r;A=o}else{y=n;z=r;A=o}else{kh(l,w-q|0,e);q=f[l>>2]|0;y=f[d>>2]|0;z=q;A=q}s=z;t=y;v=A}m=f[i>>2]|0;f[s+(t<<2)>>2]=(m-(f[g>>2]|0)>>2)+-1;a=a+4|0;if((a|0)==(h|0))break;else k=v}u=c;return}function Pf(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=d[b>>1]|0;e=d[b+2>>1]|0;g=d[b+4>>1]|0;b=(((c^318)&65535)+239^e&65535)+239^g&65535;h=f[a+4>>2]|0;if(!h){i=0;return i|0}j=h+-1|0;k=(j&h|0)==0;if(!k)if(b>>>0>>0)l=b;else l=(b>>>0)%(h>>>0)|0;else l=b&j;m=f[(f[a>>2]|0)+(l<<2)>>2]|0;if(!m){i=0;return i|0}a=f[m>>2]|0;if(!a){i=0;return i|0}if(k){k=a;while(1){m=f[k+4>>2]|0;n=(m|0)==(b|0);if(!(n|(m&j|0)==(l|0))){i=0;o=23;break}if(((n?(n=k+8|0,(d[n>>1]|0)==c<<16>>16):0)?(d[n+2>>1]|0)==e<<16>>16:0)?(d[k+12>>1]|0)==g<<16>>16:0){i=k;o=23;break}k=f[k>>2]|0;if(!k){i=0;o=23;break}}if((o|0)==23)return i|0}else p=a;while(1){a=f[p+4>>2]|0;if((a|0)==(b|0)){k=p+8|0;if(((d[k>>1]|0)==c<<16>>16?(d[k+2>>1]|0)==e<<16>>16:0)?(d[p+12>>1]|0)==g<<16>>16:0){i=p;o=23;break}}else{if(a>>>0>>0)q=a;else q=(a>>>0)%(h>>>0)|0;if((q|0)!=(l|0)){i=0;o=23;break}}p=f[p>>2]|0;if(!p){i=0;o=23;break}}if((o|0)==23)return i|0;return 0}function Qf(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=u;u=u+32|0;d=c;e=a+16|0;g=e;h=f[g>>2]|0;i=f[g+4>>2]|0;if(!((i|0)>0|(i|0)==0&h>>>0>0)){u=c;return}g=Tn(f[(f[a+12>>2]|0)+4>>2]|0,0,7,0)|0;j=Wn(g|0,I|0,3)|0;g=I;if(!(b[a+24>>0]|0)){k=a+4|0;l=k;m=k;n=h;o=i}else{k=f[a>>2]|0;p=a+4|0;q=k+((f[p>>2]|0)-k)|0;k=Tn(h|0,i|0,8,0)|0;i=q+(0-k)|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;b[d+24>>0]=0;eh(j,g,d)|0;k=d+4|0;q=(f[k>>2]|0)-(f[d>>2]|0)|0;Xl(i+q|0,i+8|0,j|0)|0;Rg(i|0,f[d>>2]|0,q|0)|0;i=e;h=Tn(f[i>>2]|0,f[i+4>>2]|0,8-q|0,0)|0;q=e;f[q>>2]=h;f[q+4>>2]=I;q=d+12|0;h=f[q>>2]|0;f[q>>2]=0;if(h|0)br(h);h=f[d>>2]|0;if(h|0){if((f[k>>2]|0)!=(h|0))f[k>>2]=h;br(h)}h=e;l=p;m=p;n=f[h>>2]|0;o=f[h+4>>2]|0}h=f[l>>2]|0;l=f[a>>2]|0;p=h-l|0;k=Vn(j|0,g|0,n|0,o|0)|0;o=Tn(k|0,I|0,p|0,0)|0;k=l;l=h;if(p>>>0>=o>>>0){if(p>>>0>o>>>0?(h=k+o|0,(h|0)!=(l|0)):0)f[m>>2]=h}else ri(a,o-p|0);p=e;f[p>>2]=0;f[p+4>>2]=0;u=c;return}function Rf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;f[c>>2]=1;d=a+4|0;e=c+8|0;g=c+12|0;c=f[e>>2]|0;i=(f[g>>2]|0)-c|0;if(i>>>0<4294967292){Bk(e,i+4|0,0);j=f[e>>2]|0}else j=c;c=j+i|0;i=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;b[c>>0]=i;b[c+1>>0]=i>>8;b[c+2>>0]=i>>16;b[c+3>>0]=i>>24;i=a+8|0;c=a+12|0;d=f[i>>2]|0;if((f[c>>2]|0)!=(d|0)){j=0;k=d;do{d=k+(j<<2)|0;l=f[e>>2]|0;m=(f[g>>2]|0)-l|0;if(m>>>0<4294967292){Bk(e,m+4|0,0);n=f[e>>2]|0}else n=l;l=n+m|0;m=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;b[l>>0]=m;b[l+1>>0]=m>>8;b[l+2>>0]=m>>16;b[l+3>>0]=m>>24;j=j+1|0;k=f[i>>2]|0}while(j>>>0<(f[c>>2]|0)-k>>2>>>0)}k=a+20|0;a=f[e>>2]|0;c=(f[g>>2]|0)-a|0;if(c>>>0<4294967292){Bk(e,c+4|0,0);o=f[e>>2]|0;p=o+c|0;q=h[k>>0]|h[k+1>>0]<<8|h[k+2>>0]<<16|h[k+3>>0]<<24;b[p>>0]=q;b[p+1>>0]=q>>8;b[p+2>>0]=q>>16;b[p+3>>0]=q>>24;return}else{o=a;p=o+c|0;q=h[k>>0]|h[k+1>>0]<<8|h[k+2>>0]<<16|h[k+3>>0]<<24;b[p>>0]=q;b[p+1>>0]=q>>8;b[p+2>>0]=q>>16;b[p+3>>0]=q>>24;return}}function Sf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=a+8|0;e=f[d>>2]|0;g=f[a>>2]|0;h=g;do if(e-g>>2>>>0>=b>>>0){i=a+4|0;j=f[i>>2]|0;k=j-g>>2;l=k>>>0>>0;m=l?k:b;n=j;if(m|0){j=m;m=h;while(1){f[m>>2]=f[c>>2];j=j+-1|0;if(!j)break;else m=m+4|0}}if(!l){m=h+(b<<2)|0;if((m|0)==(n|0))return;else{o=i;p=n+(~((n+-4-m|0)>>>2)<<2)|0;break}}else{m=b-k|0;j=m;q=n;while(1){f[q>>2]=f[c>>2];j=j+-1|0;if(!j)break;else q=q+4|0}o=i;p=n+(m<<2)|0;break}}else{q=g;if(!g)r=e;else{j=a+4|0;k=f[j>>2]|0;if((k|0)!=(h|0))f[j>>2]=k+(~((k+-4-g|0)>>>2)<<2);br(q);f[d>>2]=0;f[j>>2]=0;f[a>>2]=0;r=0}if(b>>>0>1073741823)mq(a);j=r>>1;q=r>>2>>>0<536870911?(j>>>0>>0?b:j):1073741823;if(q>>>0>1073741823)mq(a);j=dn(q<<2)|0;k=a+4|0;f[k>>2]=j;f[a>>2]=j;f[d>>2]=j+(q<<2);q=b;l=j;while(1){f[l>>2]=f[c>>2];q=q+-1|0;if(!q)break;else l=l+4|0}o=k;p=j+(b<<2)|0}while(0);f[o>>2]=p;return}function Tf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0;h=Qg(a,b,c,d,g)|0;i=f[e>>2]|0;j=f[d>>2]|0;k=f[g>>2]|0;g=f[k>>2]|0;l=(f[k+4>>2]|0)-g>>3;if(l>>>0<=i>>>0)mq(k);m=g;if(l>>>0<=j>>>0)mq(k);if((f[m+(i<<3)>>2]|0)>>>0>=(f[m+(j<<3)>>2]|0)>>>0){n=h;return n|0}f[d>>2]=i;f[e>>2]=j;j=f[d>>2]|0;e=f[c>>2]|0;if(l>>>0<=j>>>0)mq(k);if(l>>>0<=e>>>0)mq(k);if((f[m+(j<<3)>>2]|0)>>>0>=(f[m+(e<<3)>>2]|0)>>>0){n=h+1|0;return n|0}f[c>>2]=j;f[d>>2]=e;e=f[c>>2]|0;d=f[b>>2]|0;if(l>>>0<=e>>>0)mq(k);if(l>>>0<=d>>>0)mq(k);if((f[m+(e<<3)>>2]|0)>>>0>=(f[m+(d<<3)>>2]|0)>>>0){n=h+2|0;return n|0}f[b>>2]=e;f[c>>2]=d;d=f[b>>2]|0;c=f[a>>2]|0;if(l>>>0<=d>>>0)mq(k);if(l>>>0<=c>>>0)mq(k);if((f[m+(d<<3)>>2]|0)>>>0>=(f[m+(c<<3)>>2]|0)>>>0){n=h+3|0;return n|0}f[a>>2]=d;f[b>>2]=c;n=h+4|0;return n|0}function Uf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=b[c>>0]|0;e=b[c+1>>0]|0;g=b[c+2>>0]|0;c=((d&255^318)+239^e&255)+239^g&255;h=f[a+4>>2]|0;if(!h){i=0;return i|0}j=h+-1|0;k=(j&h|0)==0;if(!k)if(c>>>0>>0)l=c;else l=(c>>>0)%(h>>>0)|0;else l=c&j;m=f[(f[a>>2]|0)+(l<<2)>>2]|0;if(!m){i=0;return i|0}a=f[m>>2]|0;if(!a){i=0;return i|0}if(k){k=a;while(1){m=f[k+4>>2]|0;n=(m|0)==(c|0);if(!(n|(m&j|0)==(l|0))){i=0;o=23;break}if(((n?(n=k+8|0,(b[n>>0]|0)==d<<24>>24):0)?(b[n+1>>0]|0)==e<<24>>24:0)?(b[n+2>>0]|0)==g<<24>>24:0){i=k;o=23;break}k=f[k>>2]|0;if(!k){i=0;o=23;break}}if((o|0)==23)return i|0}else p=a;while(1){a=f[p+4>>2]|0;if((a|0)==(c|0)){k=p+8|0;if(((b[k>>0]|0)==d<<24>>24?(b[k+1>>0]|0)==e<<24>>24:0)?(b[k+2>>0]|0)==g<<24>>24:0){i=p;o=23;break}}else{if(a>>>0>>0)q=a;else q=(a>>>0)%(h>>>0)|0;if((q|0)!=(l|0)){i=0;o=23;break}}p=f[p>>2]|0;if(!p){i=0;o=23;break}}if((o|0)==23)return i|0;return 0}function Vf(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;b=u;u=u+16|0;c=b;d=a+36|0;e=a+4|0;g=a+8|0;h=(f[g>>2]|0)-(f[e>>2]|0)>>2;i=a+40|0;j=f[i>>2]|0;k=f[d>>2]|0;l=j-k>>2;m=k;k=j;if(h>>>0<=l>>>0){if(h>>>0>>0?(j=m+(h<<2)|0,(j|0)!=(k|0)):0){m=k;do{k=m+-4|0;f[i>>2]=k;n=f[k>>2]|0;f[k>>2]=0;if(n|0)Va[f[(f[n>>2]|0)+4>>2]&127](n);m=f[i>>2]|0}while((m|0)!=(j|0))}}else ng(d,h-l|0);if((f[g>>2]|0)==(f[e>>2]|0)){o=1;u=b;return o|0}l=a+52|0;h=a+48|0;j=0;while(1){Xa[f[(f[a>>2]|0)+56>>2]&15](c,a,j);m=(f[d>>2]|0)+(j<<2)|0;i=f[c>>2]|0;f[c>>2]=0;n=f[m>>2]|0;f[m>>2]=i;if(n|0)Va[f[(f[n>>2]|0)+4>>2]&127](n);n=f[c>>2]|0;f[c>>2]=0;if(n|0)Va[f[(f[n>>2]|0)+4>>2]&127](n);n=f[(f[d>>2]|0)+(j<<2)>>2]|0;if(!n){o=0;p=19;break}if(j>>>0<(f[l>>2]|0)>>>0?f[(f[h>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0:0)Pp(n);j=j+1|0;if(j>>>0>=(f[g>>2]|0)-(f[e>>2]|0)>>2>>>0){o=1;p=19;break}}if((p|0)==19){u=b;return o|0}return 0}function Wf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=u;u=u+16|0;e=d+4|0;g=d;Nh(f[c+12>>2]|0,b)|0;h=f[c+8>>2]|0;a:do if(h|0){i=b+16|0;j=b+4|0;k=h;while(1){l=k;if(!(nf(0,b,l+8|0)|0)){m=0;break}n=l+20|0;o=(f[l+24>>2]|0)-(f[n>>2]|0)|0;Nh(o,b)|0;l=f[n>>2]|0;n=i;p=f[n+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[n>>2]|0)>>>0>0)){f[g>>2]=f[j>>2];f[e>>2]=f[g>>2];ye(b,e,l,l+o|0)|0}k=f[k>>2]|0;if(!k)break a}u=d;return m|0}while(0);Nh(f[c+32>>2]|0,b)|0;e=f[c+28>>2]|0;if(!e){m=1;u=d;return m|0}else q=e;while(1){e=q;if(!(nf(0,b,e+8|0)|0)){m=0;r=10;break}Wf(a,b,f[e+20>>2]|0)|0;q=f[q>>2]|0;if(!q){m=1;r=10;break}}if((r|0)==10){u=d;return m|0}return 0}function Xf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;h=a+8|0;i=a+12|0;j=f[h>>2]|0;if((f[i>>2]|0)==(j|0)){k=dn(76)|0;pn(k,b);l=k;f[g>>2]=l;k=f[i>>2]|0;if(k>>>0<(f[a+16>>2]|0)>>>0){f[g>>2]=0;f[k>>2]=l;f[i>>2]=k+4;m=g}else{yg(h,g);m=g}g=f[m>>2]|0;f[m>>2]=0;if(!g){u=c;return 1}Va[f[(f[g>>2]|0)+4>>2]&127](g);u=c;return 1}g=f[j>>2]|0;f[d>>2]=b;j=g+4|0;m=g+8|0;h=f[m>>2]|0;if((h|0)==(f[g+12>>2]|0))Ci(j,d);else{f[h>>2]=b;f[m>>2]=h+4}h=f[d>>2]|0;b=g+16|0;k=g+20|0;g=f[k>>2]|0;i=f[b>>2]|0;l=g-i>>2;a=i;if((h|0)<(l|0)){n=a;o=h}else{i=h+1|0;f[e>>2]=-1;p=g;if(i>>>0<=l>>>0)if(i>>>0>>0?(g=a+(i<<2)|0,(g|0)!=(p|0)):0){f[k>>2]=p+(~((p+-4-g|0)>>>2)<<2);q=h;r=a}else{q=h;r=a}else{kh(b,i-l|0,e);q=f[d>>2]|0;r=f[b>>2]|0}n=r;o=q}f[n+(o<<2)>>2]=((f[m>>2]|0)-(f[j>>2]|0)>>2)+-1;u=c;return 1}function Yf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;d=c;e=b;g=d-e|0;h=g>>2;i=a+8|0;j=f[i>>2]|0;k=f[a>>2]|0;l=k;if(h>>>0>j-k>>2>>>0){m=k;if(!k)n=j;else{j=a+4|0;o=f[j>>2]|0;if((o|0)!=(l|0))f[j>>2]=o+(~((o+-4-k|0)>>>2)<<2);br(m);f[i>>2]=0;f[j>>2]=0;f[a>>2]=0;n=0}if(h>>>0>1073741823)mq(a);j=n>>1;m=n>>2>>>0<536870911?(j>>>0>>0?h:j):1073741823;if(m>>>0>1073741823)mq(a);j=dn(m<<2)|0;n=a+4|0;f[n>>2]=j;f[a>>2]=j;f[i>>2]=j+(m<<2);if((g|0)<=0)return;Rg(j|0,b|0,g|0)|0;f[n>>2]=j+(g>>>2<<2);return}g=a+4|0;a=f[g>>2]|0;j=a-k>>2;k=h>>>0>j>>>0;h=k?b+(j<<2)|0:c;c=a;j=a;if((h|0)==(b|0))p=l;else{a=h+-4-e|0;e=b;b=l;while(1){f[b>>2]=f[e>>2];e=e+4|0;if((e|0)==(h|0))break;else b=b+4|0}p=l+((a>>>2)+1<<2)|0}if(k){k=d-h|0;if((k|0)<=0)return;Rg(j|0,h|0,k|0)|0;f[g>>2]=(f[g>>2]|0)+(k>>>2<<2);return}else{if((p|0)==(c|0))return;f[g>>2]=c+(~((c+-4-p|0)>>>2)<<2);return}}function Zf(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0;g=u;u=u+96|0;h=g+40|0;i=g;Gm(h,d);we(i,c,d);th(h,i);sj(i+24|0,f[i+28>>2]|0);Dj(i+12|0,f[i+16>>2]|0);sj(i,f[i+4>>2]|0);Si(a,h,e);if(!(f[a>>2]|0)){e=a+4|0;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);f[c+40>>2]=f[h+40>>2];f[c+44>>2]=f[h+44>>2];f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0}f[h>>2]=2968;sj(h+28|0,f[h+32>>2]|0);Dj(h+16|0,f[h+20>>2]|0);sj(h+4|0,f[h+8>>2]|0);u=g;return}function _f(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=f[b>>2]|0;d=f[b+4>>2]|0;e=f[b+8>>2]|0;b=((c^318)+239^d)+239^e;g=f[a+4>>2]|0;if(!g){h=0;return h|0}i=g+-1|0;j=(i&g|0)==0;if(!j)if(b>>>0>>0)k=b;else k=(b>>>0)%(g>>>0)|0;else k=b&i;l=f[(f[a>>2]|0)+(k<<2)>>2]|0;if(!l){h=0;return h|0}a=f[l>>2]|0;if(!a){h=0;return h|0}if(j){j=a;while(1){l=f[j+4>>2]|0;m=(l|0)==(b|0);if(!(m|(l&i|0)==(k|0))){h=0;n=23;break}if(((m?(f[j+8>>2]|0)==(c|0):0)?(f[j+12>>2]|0)==(d|0):0)?(f[j+16>>2]|0)==(e|0):0){h=j;n=23;break}j=f[j>>2]|0;if(!j){h=0;n=23;break}}if((n|0)==23)return h|0}else o=a;while(1){a=f[o+4>>2]|0;if((a|0)==(b|0)){if(((f[o+8>>2]|0)==(c|0)?(f[o+12>>2]|0)==(d|0):0)?(f[o+16>>2]|0)==(e|0):0){h=o;n=23;break}}else{if(a>>>0>>0)p=a;else p=(a>>>0)%(g>>>0)|0;if((p|0)!=(k|0)){h=0;n=23;break}}o=f[o>>2]|0;if(!o){h=0;n=23;break}}if((n|0)==23)return h|0;return 0}function $f(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;e=u;u=u+16|0;g=e;if(!(ih(a,c,d)|0)){h=0;u=e;return h|0}if((b[(f[a+8>>2]|0)+24>>0]|0)!=3){h=0;u=e;return h|0}i=f[c+48>>2]|0;c=dn(32)|0;f[g>>2]=c;f[g+8>>2]=-2147483616;f[g+4>>2]=17;j=c;k=12932;l=j+17|0;do{b[j>>0]=b[k>>0]|0;j=j+1|0;k=k+1|0}while((j|0)<(l|0));b[c+17>>0]=0;c=i+16|0;k=f[c>>2]|0;if(k){j=c;l=k;a:while(1){k=l;while(1){if((f[k+16>>2]|0)>=(d|0))break;m=f[k+4>>2]|0;if(!m){n=j;break a}else k=m}l=f[k>>2]|0;if(!l){n=k;break}else j=k}if(((n|0)!=(c|0)?(f[n+16>>2]|0)<=(d|0):0)?(d=n+20|0,(sh(d,g)|0)!=0):0)o=yk(d,g,-1)|0;else p=12}else p=12;if((p|0)==12)o=yk(i,g,-1)|0;if((b[g+11>>0]|0)<0)br(f[g>>2]|0);if((o|0)<1){h=0;u=e;return h|0}tp(a+40|0,o);h=1;u=e;return h|0}function ag(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;e=c;g=d-e|0;h=a+8|0;i=f[h>>2]|0;j=f[a>>2]|0;k=j;if(g>>>0>(i-j|0)>>>0){if(!j)l=i;else{i=a+4|0;if((f[i>>2]|0)!=(k|0))f[i>>2]=k;br(k);f[h>>2]=0;f[i>>2]=0;f[a>>2]=0;l=0}if((g|0)<0)mq(a);i=l<<1;m=l>>>0<1073741823?(i>>>0>>0?g:i):2147483647;if((m|0)<0)mq(a);i=dn(m)|0;l=a+4|0;f[l>>2]=i;f[a>>2]=i;f[h>>2]=i+m;if((c|0)==(d|0))return;else{n=c;o=i}do{b[o>>0]=b[n>>0]|0;n=n+1|0;o=(f[l>>2]|0)+1|0;f[l>>2]=o}while((n|0)!=(d|0));return}n=a+4|0;a=(f[n>>2]|0)-j|0;j=g>>>0>a>>>0;g=c+a|0;a=j?g:d;if((a|0)==(c|0))p=k;else{o=c;c=k;while(1){b[c>>0]=b[o>>0]|0;o=o+1|0;if((o|0)==(a|0))break;else c=c+1|0}p=k+(a-e)|0}if(!j){if((f[n>>2]|0)==(p|0))return;f[n>>2]=p;return}if((a|0)==(d|0))return;a=g;g=f[n>>2]|0;do{b[g>>0]=b[a>>0]|0;a=a+1|0;g=(f[n>>2]|0)+1|0;f[n>>2]=g}while((a|0)!=(d|0));return}function bg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;d=c>>>1&1431655765|c<<1&-1431655766;c=d>>>2&858993459|d<<2&-858993460;d=c>>>4&252645135|c<<4&-252645136;c=d>>>8&16711935|d<<8&-16711936;d=32-b|0;e=(c>>>16|c<<16)>>>d;c=e-(e>>>1&1431655765)|0;g=(c>>>2&858993459)+(c&858993459)|0;c=(X((g>>>4)+g&252645135,16843009)|0)>>>24;g=b-c|0;h=f[a>>2]|0;i=h;j=Tn(f[i>>2]|0,f[i+4>>2]|0,g|0,((g|0)<0)<<31>>31|0)|0;g=h;f[g>>2]=j;f[g+4>>2]=I;g=h+8|0;h=g;j=Tn(f[h>>2]|0,f[h+4>>2]|0,c|0,0)|0;c=g;f[c>>2]=j;f[c+4>>2]=I;c=a+28|0;j=f[c>>2]|0;g=32-j|0;h=a+24|0;do if((g|0)>=(b|0)){i=-1>>>d<>2]&~i|i&e<>2]=k;i=j+b|0;f[c>>2]=i;if((i|0)!=32)return;i=a+16|0;l=f[i>>2]|0;if((l|0)==(f[a+20>>2]|0)){Ci(a+12|0,h);m=0;n=0;break}else{f[l>>2]=k;f[i>>2]=l+4;m=0;n=0;break}}else{l=-1>>>j<>2]&~l|l&e<>2]=i;l=a+16|0;k=f[l>>2]|0;if((k|0)==(f[a+20>>2]|0))Ci(a+12|0,h);else{f[k>>2]=i;f[l>>2]=k+4}k=b-g|0;m=k;n=-1>>>(32-k|0)&e>>>g}while(0);f[h>>2]=n;f[c>>2]=m;return}function cg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;e=c&255;g=(d|0)!=0;a:do if(g&(a&3|0)!=0){h=c&255;i=a;j=d;while(1){if((b[i>>0]|0)==h<<24>>24){k=i;l=j;m=6;break a}n=i+1|0;o=j+-1|0;p=(o|0)!=0;if(p&(n&3|0)!=0){i=n;j=o}else{q=n;r=o;s=p;m=5;break}}}else{q=a;r=d;s=g;m=5}while(0);if((m|0)==5)if(s){k=q;l=r;m=6}else{t=q;u=0}b:do if((m|0)==6){q=c&255;if((b[k>>0]|0)==q<<24>>24){t=k;u=l}else{r=X(e,16843009)|0;c:do if(l>>>0>3){s=k;g=l;while(1){d=f[s>>2]^r;if((d&-2139062144^-2139062144)&d+-16843009|0)break;d=s+4|0;a=g+-4|0;if(a>>>0>3){s=d;g=a}else{v=d;w=a;m=11;break c}}x=s;y=g}else{v=k;w=l;m=11}while(0);if((m|0)==11)if(!w){t=v;u=0;break}else{x=v;y=w}while(1){if((b[x>>0]|0)==q<<24>>24){t=x;u=y;break b}r=x+1|0;y=y+-1|0;if(!y){t=r;u=0;break}else x=r}}}while(0);return (u|0?t:0)|0}function dg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=e;do if((d|0)==(e|0)){h=a+8|0;i=f[h>>2]|0;j=a+12|0;k=f[j>>2]|0;l=k;if(i>>>0>>0){k=i;m=((l-k>>2)+1|0)/2|0;n=i+(m<<2)|0;o=k-d|0;k=o>>2;p=n+(0-k<<2)|0;if(!k){q=n;r=i}else{Xl(p|0,d|0,o|0)|0;q=p;r=f[h>>2]|0}f[c>>2]=q;f[h>>2]=r+(m<<2);s=q;break}m=l-g>>1;l=(m|0)==0?1:m;if(l>>>0>1073741823){m=ra(8)|0;Wo(m,14941);f[m>>2]=6944;va(m|0,1080,114)}m=dn(l<<2)|0;p=m;o=m+((l+3|0)>>>2<<2)|0;n=o;k=m+(l<<2)|0;if((d|0)==(i|0)){t=n;u=d}else{l=o;m=n;v=d;do{f[l>>2]=f[v>>2];l=m+4|0;m=l;v=v+4|0}while((v|0)!=(i|0));t=m;u=f[a>>2]|0}f[a>>2]=p;f[c>>2]=n;f[h>>2]=t;f[j>>2]=k;if(!u)s=o;else{br(u);s=f[c>>2]|0}}else s=d;while(0);f[s+-4>>2]=f[b>>2];f[c>>2]=(f[c>>2]|0)+-4;return}function eg(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;i=a+4|0;if((f[i>>2]|0)==-1){j=0;u=d;return j|0}k=f[a+8>>2]|0;l=c+16|0;m=l;n=f[m>>2]|0;o=f[m+4>>2]|0;if(!((o|0)>0|(o|0)==0&n>>>0>0)){m=(f[a+12>>2]|0)-k|0;p=c+4|0;f[g>>2]=f[p>>2];f[e>>2]=f[g>>2];ye(c,e,k,k+m|0)|0;m=l;k=f[m>>2]|0;q=f[m+4>>2]|0;m=a+20|0;if((q|0)>0|(q|0)==0&k>>>0>0){r=q;s=k;t=g}else{f[g>>2]=f[p>>2];f[e>>2]=f[g>>2];ye(c,e,m,m+4|0)|0;m=l;r=f[m+4>>2]|0;s=f[m>>2]|0;t=g}}else{r=o;s=n;t=g}b[h>>0]=f[i>>2];if(!((r|0)>0|(r|0)==0&s>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+1|0)|0}j=1;u=d;return j|0}function fg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;e=u;u=u+16|0;g=e+4|0;h=e;i=a+8|0;a=f[i>>2]|0;j=f[a+40>>2]|0;k=_q((j|0)>-1?j:-1)|0;l=c+4|0;m=f[l>>2]|0;n=f[c>>2]|0;if((m|0)==(n|0)){$q(k);u=e;return 1}o=d+16|0;p=d+4|0;q=k+j|0;j=0;r=n;n=a;s=a;a=m;while(1){m=f[r+(j<<2)>>2]|0;if(!(b[n+84>>0]|0))t=f[(f[n+68>>2]|0)+(m<<2)>>2]|0;else t=m;m=s+48|0;v=f[m>>2]|0;w=f[m+4>>2]|0;m=s+40|0;x=f[m>>2]|0;y=on(x|0,f[m+4>>2]|0,t|0,0)|0;m=Tn(y|0,I|0,v|0,w|0)|0;Rg(k|0,(f[f[s>>2]>>2]|0)+m|0,x|0)|0;x=o;m=f[x+4>>2]|0;if((m|0)>0|(m|0)==0&(f[x>>2]|0)>>>0>0){z=r;A=a}else{f[h>>2]=f[p>>2];f[g>>2]=f[h>>2];ye(d,g,k,q)|0;z=f[c>>2]|0;A=f[l>>2]|0}x=j+1|0;if(x>>>0>=A-z>>2>>>0)break;m=f[i>>2]|0;j=x;r=z;n=m;s=m;a=A}$q(k);u=e;return 1}function gg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;d=(f[b>>2]|0)*3|0;if((d|0)==-1){e=0;g=-1;f[c>>2]=g;return e|0}b=f[a+12>>2]|0;h=f[b+12>>2]|0;if((f[h+(d<<2)>>2]|0)==-1){e=0;g=d;f[c>>2]=g;return e|0}i=f[b>>2]|0;b=f[a+152>>2]|0;if((f[b+(f[i+(d<<2)>>2]<<2)>>2]|0)==-1){a=d+1|0;j=((a>>>0)%3|0|0)==0?d+-2|0:a;if((j|0)==-1){e=0;g=-1;f[c>>2]=g;return e|0}if((f[h+(j<<2)>>2]|0)==-1){e=0;g=j;f[c>>2]=g;return e|0}if((f[b+(f[i+(j<<2)>>2]<<2)>>2]|0)==-1){a=j+1|0;k=((a>>>0)%3|0|0)==0?j+-2|0:a;if((k|0)==-1){e=0;g=-1;f[c>>2]=g;return e|0}if((f[h+(k<<2)>>2]|0)==-1){e=0;g=k;f[c>>2]=g;return 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o=12;if((o|0)==12?(o=0,!i):0){o=16;break}r=a+4|0;i=f[r>>2]|0;if(!i){o=15;break}else{p=r;q=i}}d=p;a=q}if((o|0)==9){f[c>>2]=a;h=a;return h|0}else if((o|0)==15){f[c>>2]=a;h=r;return h|0}else if((o|0)==16){f[c>>2]=a;h=d;return h|0}return 0}function ig(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0;d=u;u=u+32|0;e=d+24|0;g=d+16|0;h=d+8|0;i=d;j=a+4|0;k=f[j>>2]|0;l=f[b>>2]|0;m=f[b+4>>2]|0;b=f[c>>2]|0;n=f[c+4>>2]|0;c=b-l<<3;f[j>>2]=k-m+n+c;j=(f[a>>2]|0)+(k>>>5<<2)|0;a=k&31;k=j;if((m|0)!=(a|0)){f[e>>2]=l;f[e+4>>2]=m;f[g>>2]=b;f[g+4>>2]=n;f[h>>2]=k;f[h+4>>2]=a;ke(i,e,g,h);u=d;return}h=n-m+c|0;c=l;if((h|0)>0){if(!m){o=h;p=j;q=0;r=l;s=c}else{l=32-m|0;n=(h|0)<(l|0)?h:l;g=-1>>>(l-n|0)&-1<>2]=f[j>>2]&~g|f[c>>2]&g;g=n+m|0;l=c+4|0;o=h-n|0;p=j+(g>>>5<<2)|0;q=g&31;r=l;s=l}l=(o|0)/32|0;Xl(p|0,r|0,l<<2|0)|0;r=o-(l<<5)|0;o=p+(l<<2)|0;p=o;if((r|0)>0){g=-1>>>(32-r|0);f[o>>2]=f[o>>2]&~g|f[s+(l<<2)>>2]&g;t=r;v=p}else{t=q;v=p}}else{t=m;v=k}f[i>>2]=v;f[i+4>>2]=t;u=d;return}function jg(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;g=u;u=u+16|0;h=g;i=c+4|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;j=dn(16)|0;f[h>>2]=j;f[h+8>>2]=-2147483632;f[h+4>>2]=15;k=j;l=12916;m=k+15|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[j+15>>0]=0;j=yk(i,h,-1)|0;if((b[h+11>>0]|0)<0)br(f[h>>2]|0);switch(j|0){case -1:{if((Yh(i)|0)==10)n=6;else n=5;break}case 1:{n=5;break}default:n=6}if((n|0)==5){j=dn(68)|0;Xo(j);o=j}else if((n|0)==6){n=dn(64)|0;Gp(n);o=n}vo(o,d);Ad(a,o,i,e);if(f[a>>2]|0){p=f[o>>2]|0;q=p+4|0;r=f[q>>2]|0;Va[r&127](o);u=g;return}e=a+4|0;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);f[c+40>>2]=f[o+52>>2];f[c+44>>2]=f[o+60>>2];f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;p=f[o>>2]|0;q=p+4|0;r=f[q>>2]|0;Va[r&127](o);u=g;return}function kg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;c=a+8|0;d=f[c>>2]|0;e=a+12|0;g=f[e>>2]|0;h=g;do if((d|0)==(g|0)){i=a+4|0;j=f[i>>2]|0;k=f[a>>2]|0;l=k;if(j>>>0>k>>>0){m=j;n=((m-l>>2)+1|0)/-2|0;o=j+(n<<2)|0;p=d-m|0;m=p>>2;if(!m)q=j;else{Xl(o|0,j|0,p|0)|0;q=f[i>>2]|0}p=o+(m<<2)|0;f[c>>2]=p;f[i>>2]=q+(n<<2);r=p;break}p=h-l>>1;l=(p|0)==0?1:p;if(l>>>0>1073741823){p=ra(8)|0;Wo(p,14941);f[p>>2]=6944;va(p|0,1080,114)}p=dn(l<<2)|0;n=p;m=p+(l>>>2<<2)|0;o=m;s=p+(l<<2)|0;if((j|0)==(d|0)){t=o;u=k}else{k=m;m=o;l=j;do{f[k>>2]=f[l>>2];k=m+4|0;m=k;l=l+4|0}while((l|0)!=(d|0));t=m;u=f[a>>2]|0}f[a>>2]=n;f[i>>2]=o;f[c>>2]=t;f[e>>2]=s;if(!u)r=t;else{br(u);r=f[c>>2]|0}}else r=d;while(0);f[r>>2]=f[b>>2];f[c>>2]=(f[c>>2]|0)+4;return}function lg(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;b=u;u=u+16|0;c=b+4|0;d=b;e=a+8|0;g=a+12|0;h=f[g>>2]|0;$j(f[a+4>>2]|0,(f[h+56>>2]|0)-(f[h+52>>2]|0)>>2);h=a+76|0;a=f[h>>2]|0;if(!a){i=f[(f[g>>2]|0)+64>>2]|0;g=(f[i+4>>2]|0)-(f[i>>2]|0)>>2;i=(g>>>0)/3|0;if(g>>>0<=2){j=1;u=b;return j|0}g=0;while(1){f[d>>2]=g*3;f[c>>2]=f[d>>2];g=g+1|0;if(!(Tb(e,c)|0)){j=0;k=10;break}if((g|0)>=(i|0)){j=1;k=10;break}}if((k|0)==10){u=b;return j|0}}else{i=f[a>>2]|0;if((f[a+4>>2]|0)==(i|0)){j=1;u=b;return j|0}a=0;g=i;while(1){f[d>>2]=f[g+(a<<2)>>2];f[c>>2]=f[d>>2];a=a+1|0;if(!(Tb(e,c)|0)){j=0;k=10;break}i=f[h>>2]|0;g=f[i>>2]|0;if(a>>>0>=(f[i+4>>2]|0)-g>>2>>>0){j=1;k=10;break}}if((k|0)==10){u=b;return j|0}}return 0}function mg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;h=a+12|0;i=a+4|0;j=f[i>>2]|0;if((j|0)==(f[a+8>>2]|0)){Ci(a,h);k=f[i>>2]|0}else{f[j>>2]=f[h>>2];l=j+4|0;f[i>>2]=l;k=l}l=f[a>>2]|0;f[g>>2]=k-l;k=b+16|0;j=k;m=f[j+4>>2]|0;if(!((m|0)>0|(m|0)==0&(f[j>>2]|0)>>>0>0)){f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;j=f[a>>2]|0;m=f[g>>2]|0;g=k;k=f[g+4>>2]|0;if((k|0)>0|(k|0)==0&(f[g>>2]|0)>>>0>0){n=j;o=e}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,j,j+m|0)|0;n=f[a>>2]|0;o=e}}else{n=l;o=e}e=f[i>>2]|0;if((e|0)==(n|0)){f[h>>2]=0;p=a+16|0;f[p>>2]=0;u=c;return}f[i>>2]=e+(~((e+-4-n|0)>>>2)<<2);f[h>>2]=0;p=a+16|0;f[p>>2]=0;u=c;return}function ng(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;h=g;if(d-g>>2>>>0>=b>>>0){hj(g|0,0,b<<2|0)|0;f[e>>2]=g+(b<<2);return}i=f[a>>2]|0;j=g-i>>2;g=j+b|0;k=i;if(g>>>0>1073741823)mq(a);l=d-i|0;d=l>>1;m=l>>2>>>0<536870911?(d>>>0>>0?g:d):1073741823;do if(m)if(m>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}else{n=dn(m<<2)|0;break}else n=0;while(0);d=n+(j<<2)|0;hj(d|0,0,b<<2|0)|0;b=d;j=n+(m<<2)|0;m=n+(g<<2)|0;if((h|0)==(k|0)){o=b;p=i;q=h}else{i=h;h=b;b=d;do{i=i+-4|0;d=f[i>>2]|0;f[i>>2]=0;f[b+-4>>2]=d;b=h+-4|0;h=b}while((i|0)!=(k|0));o=h;p=f[a>>2]|0;q=f[e>>2]|0}f[a>>2]=o;f[e>>2]=m;f[c>>2]=j;j=p;if((q|0)!=(j|0)){c=q;do{c=c+-4|0;q=f[c>>2]|0;f[c>>2]=0;if(q|0)Va[f[(f[q>>2]|0)+4>>2]&127](q)}while((c|0)!=(j|0))}if(!p)return;br(p);return}function og(a){a=a|0;lk(a);lk(a+32|0);lk(a+64|0);lk(a+96|0);lk(a+128|0);lk(a+160|0);lk(a+192|0);lk(a+224|0);lk(a+256|0);lk(a+288|0);lk(a+320|0);lk(a+352|0);lk(a+384|0);lk(a+416|0);lk(a+448|0);lk(a+480|0);lk(a+512|0);lk(a+544|0);lk(a+576|0);lk(a+608|0);lk(a+640|0);lk(a+672|0);lk(a+704|0);lk(a+736|0);lk(a+768|0);lk(a+800|0);lk(a+832|0);lk(a+864|0);lk(a+896|0);lk(a+928|0);lk(a+960|0);lk(a+992|0);lk(a+1024|0);return}function pg(a,c,d,e,g,h){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=$(h);var i=0,j=0,k=0,l=0,m=0,n=0;i=u;u=u+16|0;j=i;k=i+4|0;f[j>>2]=c;c=a+4|0;a=dn(32)|0;f[k>>2]=a;f[k+8>>2]=-2147483616;f[k+4>>2]=17;l=a;m=12932;n=l+17|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[a+17>>0]=0;Nj(wd(c,j)|0,k,d);if((b[k+11>>0]|0)<0)br(f[k>>2]|0);d=dn(32)|0;f[k>>2]=d;f[k+8>>2]=-2147483616;f[k+4>>2]=19;l=d;m=13005;n=l+19|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[d+19>>0]=0;ci(wd(c,j)|0,k,g,e);if((b[k+11>>0]|0)<0)br(f[k>>2]|0);e=dn(32)|0;f[k>>2]=e;f[k+8>>2]=-2147483616;f[k+4>>2]=18;l=e;m=13025;n=l+18|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[e+18>>0]=0;Lj(wd(c,j)|0,k,h);if((b[k+11>>0]|0)>=0){u=i;return}br(f[k>>2]|0);u=i;return}function qg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=c;e=b;g=d-e|0;h=g>>2;i=a+8|0;j=f[i>>2]|0;k=f[a>>2]|0;l=k;if(h>>>0<=j-k>>2>>>0){m=a+4|0;n=(f[m>>2]|0)-k>>2;o=h>>>0>n>>>0;p=o?b+(n<<2)|0:c;c=p;n=c-e|0;e=n>>2;if(e|0)Xl(k|0,b|0,n|0)|0;n=l+(e<<2)|0;if(o){o=d-c|0;if((o|0)<=0)return;Rg(f[m>>2]|0,p|0,o|0)|0;f[m>>2]=(f[m>>2]|0)+(o>>>2<<2);return}else{o=f[m>>2]|0;if((o|0)==(n|0))return;f[m>>2]=o+(~((o+-4-n|0)>>>2)<<2);return}}n=k;if(!k)q=j;else{j=a+4|0;o=f[j>>2]|0;if((o|0)!=(l|0))f[j>>2]=o+(~((o+-4-k|0)>>>2)<<2);br(n);f[i>>2]=0;f[j>>2]=0;f[a>>2]=0;q=0}if(h>>>0>1073741823)mq(a);j=q>>1;n=q>>2>>>0<536870911?(j>>>0>>0?h:j):1073741823;if(n>>>0>1073741823)mq(a);j=dn(n<<2)|0;h=a+4|0;f[h>>2]=j;f[a>>2]=j;f[i>>2]=j+(n<<2);if((g|0)<=0)return;Rg(j|0,b|0,g|0)|0;f[h>>2]=j+(g>>>2<<2);return}function rg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0.0,p=0,q=0.0,r=0.0,s=0.0,t=0,v=0.0;e=u;u=u+16|0;g=e;h=c+1|0;f[g>>2]=0;i=g+4|0;f[i>>2]=0;f[g+8>>2]=0;do if(h)if(h>>>0>1073741823)mq(g);else{j=dn(h<<2)|0;f[g>>2]=j;k=j+(h<<2)|0;f[g+8>>2]=k;hj(j|0,0,(c<<2)+4|0)|0;f[i>>2]=k;l=j;m=k;n=j;break}else{l=0;m=0;n=0}while(0);if((b|0)>0){g=0;do{j=l+(f[a+(g<<2)>>2]<<2)|0;f[j>>2]=(f[j>>2]|0)+1;g=g+1|0}while((g|0)!=(b|0))}o=+(b|0);if((c|0)<0){p=0;q=0.0}else{c=0;r=0.0;b=0;while(1){g=f[l+(b<<2)>>2]|0;s=+(g|0);if((g|0)>0){t=c+1|0;v=r+ +Fg(s/o)*s}else{t=c;v=r}b=b+1|0;if((b|0)==(h|0)){p=t;q=v;break}else{c=t;r=v}}}if(d|0)f[d>>2]=p;v=-q;p=~~v>>>0;d=+K(v)>=1.0?(v>0.0?~~+Y(+J(v/4294967296.0),4294967295.0)>>>0:~~+W((v-+(~~v>>>0))/4294967296.0)>>>0):0;if(!l){I=d;u=e;return p|0}if((m|0)!=(l|0))f[i>>2]=m+(~((m+-4-l|0)>>>2)<<2);br(n);I=d;u=e;return p|0}function sg(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;b=u;u=u+16|0;c=b+4|0;d=b;e=a+8|0;g=a+12|0;h=f[g>>2]|0;$j(f[a+4>>2]|0,(f[h+28>>2]|0)-(f[h+24>>2]|0)>>2);h=a+76|0;a=f[h>>2]|0;if(!a){i=f[g>>2]|0;g=(f[i+4>>2]|0)-(f[i>>2]|0)>>2;i=(g>>>0)/3|0;if(g>>>0<=2){j=1;u=b;return j|0}g=0;while(1){f[d>>2]=g*3;f[c>>2]=f[d>>2];g=g+1|0;if(!(Wb(e,c)|0)){j=0;k=10;break}if((g|0)>=(i|0)){j=1;k=10;break}}if((k|0)==10){u=b;return j|0}}else{i=f[a>>2]|0;if((f[a+4>>2]|0)==(i|0)){j=1;u=b;return j|0}a=0;g=i;while(1){f[d>>2]=f[g+(a<<2)>>2];f[c>>2]=f[d>>2];a=a+1|0;if(!(Wb(e,c)|0)){j=0;k=10;break}i=f[h>>2]|0;g=f[i>>2]|0;if(a>>>0>=(f[i+4>>2]|0)-g>>2>>>0){j=1;k=10;break}}if((k|0)==10){u=b;return j|0}}return 0}function tg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;e=u;u=u+16|0;g=e+4|0;h=e;i=dn(32)|0;f[a>>2]=i;f[a+4>>2]=c+4;c=a+8|0;b[c>>0]=0;f[i+16>>2]=f[d>>2];a=i+20|0;f[i+24>>2]=0;f[i+28>>2]=0;j=i+24|0;f[a>>2]=j;i=f[d+4>>2]|0;k=d+8|0;if((i|0)==(k|0)){b[c>>0]=1;u=e;return}d=j;j=i;while(1){i=j+16|0;f[h>>2]=d;f[g>>2]=f[h>>2];Wg(a,g,i,i)|0;i=f[j+4>>2]|0;if(!i){l=j+8|0;m=f[l>>2]|0;if((f[m>>2]|0)==(j|0))n=m;else{m=l;do{l=f[m>>2]|0;m=l+8|0;o=f[m>>2]|0}while((f[o>>2]|0)!=(l|0));n=o}}else{m=i;while(1){o=f[m>>2]|0;if(!o)break;else m=o}n=m}if((n|0)==(k|0))break;else j=n}b[c>>0]=1;u=e;return}function ug(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=u;u=u+16|0;e=d;f[e>>2]=b;g=a+8|0;if(((f[a+12>>2]|0)-(f[g>>2]|0)>>2|0)<=(b|0))jh(g,b+1|0);h=f[(f[c>>2]|0)+56>>2]|0;do if((h|0)<5){i=a+20+(h*12|0)+4|0;j=f[i>>2]|0;if((j|0)==(f[a+20+(h*12|0)+8>>2]|0)){Ci(a+20+(h*12|0)|0,e);break}else{f[j>>2]=b;f[i>>2]=j+4;break}}while(0);b=f[c>>2]|0;h=f[e>>2]|0;f[b+60>>2]=h;e=(f[g>>2]|0)+(h<<2)|0;f[c>>2]=0;c=f[e>>2]|0;f[e>>2]=b;if(!c){u=d;return}b=c+88|0;e=f[b>>2]|0;f[b>>2]=0;if(e|0){b=f[e+8>>2]|0;if(b|0){h=e+12|0;if((f[h>>2]|0)!=(b|0))f[h>>2]=b;br(b)}br(e)}e=f[c+68>>2]|0;if(e|0){b=c+72|0;h=f[b>>2]|0;if((h|0)!=(e|0))f[b>>2]=h+(~((h+-4-e|0)>>>2)<<2);br(e)}e=c+64|0;h=f[e>>2]|0;f[e>>2]=0;if(h|0){e=f[h>>2]|0;if(e|0){b=h+4|0;if((f[b>>2]|0)!=(e|0))f[b>>2]=e;br(e)}br(h)}br(c);u=d;return}function vg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;d=u;u=u+48|0;e=d+16|0;g=d;h=d+32|0;i=a+28|0;j=f[i>>2]|0;f[h>>2]=j;k=a+20|0;l=(f[k>>2]|0)-j|0;f[h+4>>2]=l;f[h+8>>2]=b;f[h+12>>2]=c;b=l+c|0;l=a+60|0;f[g>>2]=f[l>>2];f[g+4>>2]=h;f[g+8>>2]=2;j=ro(Aa(146,g|0)|0)|0;a:do if((b|0)!=(j|0)){g=2;m=b;n=h;o=j;while(1){if((o|0)<0)break;m=m-o|0;p=f[n+4>>2]|0;q=o>>>0>p>>>0;r=q?n+8|0:n;s=g+(q<<31>>31)|0;t=o-(q?p:0)|0;f[r>>2]=(f[r>>2]|0)+t;p=r+4|0;f[p>>2]=(f[p>>2]|0)-t;f[e>>2]=f[l>>2];f[e+4>>2]=r;f[e+8>>2]=s;o=ro(Aa(146,e|0)|0)|0;if((m|0)==(o|0)){v=3;break a}else{g=s;n=r}}f[a+16>>2]=0;f[i>>2]=0;f[k>>2]=0;f[a>>2]=f[a>>2]|32;if((g|0)==2)w=0;else w=c-(f[n+4>>2]|0)|0}else v=3;while(0);if((v|0)==3){v=f[a+44>>2]|0;f[a+16>>2]=v+(f[a+48>>2]|0);a=v;f[i>>2]=a;f[k>>2]=a;w=c}u=d;return w|0}function wg(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;f[a>>2]=5880;b=f[a+68>>2]|0;if(b|0){c=a+72|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+56>>2]|0;if(b|0){d=a+60|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+44>>2]|0;if(b|0){c=a+48|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+32>>2]|0;if(b|0){d=a+36|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+20>>2]|0;if(b|0){c=a+24|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}Sh(a+8|0);b=a+4|0;a=f[b>>2]|0;f[b>>2]=0;if(!a)return;b=a+40|0;d=f[b>>2]|0;if(d|0){c=a+44|0;e=f[c>>2]|0;if((e|0)==(d|0))g=d;else{h=e;do{e=h+-4|0;f[c>>2]=e;i=f[e>>2]|0;f[e>>2]=0;if(i|0){Qi(i);br(i)}h=f[c>>2]|0}while((h|0)!=(d|0));g=f[b>>2]|0}br(g)}Qi(a);br(a);return}function xg(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;c=a+12|0;d=f[a>>2]|0;e=a+8|0;g=f[e>>2]|0;h=(g|0)==-1;if(!(b[c>>0]|0)){do if(((!h?(i=(((g>>>0)%3|0|0)==0?2:-1)+g|0,(i|0)!=-1):0)?(f[(f[d>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)==0:0)?(j=f[(f[(f[d+64>>2]|0)+12>>2]|0)+(i<<2)>>2]|0,(j|0)!=-1):0)if(!((j>>>0)%3|0)){k=j+2|0;break}else{k=j+-1|0;break}else k=-1;while(0);f[e>>2]=k;return}k=g+1|0;if(((!h?(h=((k>>>0)%3|0|0)==0?g+-2|0:k,(h|0)!=-1):0)?(f[(f[d>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0)==0:0)?(k=f[(f[(f[d+64>>2]|0)+12>>2]|0)+(h<<2)>>2]|0,h=k+1|0,(k|0)!=-1):0){g=((h>>>0)%3|0|0)==0?k+-2|0:h;f[e>>2]=g;if((g|0)!=-1){if((g|0)!=(f[a+4>>2]|0))return;f[e>>2]=-1;return}}else f[e>>2]=-1;g=f[a+4>>2]|0;do if((((g|0)!=-1?(a=(((g>>>0)%3|0|0)==0?2:-1)+g|0,(a|0)!=-1):0)?(f[(f[d>>2]|0)+(a>>>5<<2)>>2]&1<<(a&31)|0)==0:0)?(h=f[(f[(f[d+64>>2]|0)+12>>2]|0)+(a<<2)>>2]|0,(h|0)!=-1):0)if(!((h>>>0)%3|0)){l=h+2|0;break}else{l=h+-1|0;break}else l=-1;while(0);f[e>>2]=l;b[c>>0]=0;return}function yg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d>>2;g=e+1|0;if(g>>>0>1073741823)mq(a);h=a+8|0;i=(f[h>>2]|0)-d|0;d=i>>1;j=i>>2>>>0<536870911?(d>>>0>>0?g:d):1073741823;do if(j)if(j>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}else{k=dn(j<<2)|0;break}else k=0;while(0);d=k+(e<<2)|0;e=d;g=k+(j<<2)|0;j=f[b>>2]|0;f[b>>2]=0;f[d>>2]=j;j=d+4|0;b=f[a>>2]|0;k=f[c>>2]|0;if((k|0)==(b|0)){l=e;m=b;n=b}else{i=k;k=e;e=d;do{i=i+-4|0;d=f[i>>2]|0;f[i>>2]=0;f[e+-4>>2]=d;e=k+-4|0;k=e}while((i|0)!=(b|0));l=k;m=f[a>>2]|0;n=f[c>>2]|0}f[a>>2]=l;f[c>>2]=j;f[h>>2]=g;g=m;if((n|0)!=(g|0)){h=n;do{h=h+-4|0;n=f[h>>2]|0;f[h>>2]=0;if(n|0)Va[f[(f[n>>2]|0)+4>>2]&127](n)}while((h|0)!=(g|0))}if(!m)return;br(m);return}function zg(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=a+4|0;a=f[d>>2]|0;do if(a|0){e=b[c+11>>0]|0;g=e<<24>>24<0;h=g?f[c+4>>2]|0:e&255;e=g?f[c>>2]|0:c;g=d;i=a;a:while(1){j=i;while(1){k=j+16|0;l=b[k+11>>0]|0;m=l<<24>>24<0;n=m?f[j+20>>2]|0:l&255;l=h>>>0>>0?h:n;if((l|0)!=0?(o=Pk(m?f[k>>2]|0:k,e,l)|0,(o|0)!=0):0){if((o|0)>=0)break}else p=6;if((p|0)==6?(p=0,n>>>0>=h>>>0):0)break;n=f[j+4>>2]|0;if(!n){q=g;break a}else j=n}i=f[j>>2]|0;if(!i){q=j;break}else g=j}if((q|0)!=(d|0)){g=q+16|0;i=b[g+11>>0]|0;n=i<<24>>24<0;o=n?f[q+20>>2]|0:i&255;i=o>>>0>>0?o:h;if(i|0?(l=Pk(e,n?f[g>>2]|0:g,i)|0,l|0):0){if((l|0)<0)break;else r=q;return r|0}if(h>>>0>=o>>>0){r=q;return r|0}}}while(0);r=d;return r|0}function Ag(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;d=a+8|0;e=f[d>>2]|0;g=a+4|0;h=f[g>>2]|0;if(((e-h|0)/12|0)>>>0>=b>>>0){i=b;j=h;do{f[j>>2]=f[c>>2];f[j+4>>2]=f[c+4>>2];f[j+8>>2]=f[c+8>>2];j=(f[g>>2]|0)+12|0;f[g>>2]=j;i=i+-1|0}while((i|0)!=0);return}i=f[a>>2]|0;j=(h-i|0)/12|0;h=j+b|0;if(h>>>0>357913941)mq(a);k=(e-i|0)/12|0;i=k<<1;e=k>>>0<178956970?(i>>>0>>0?h:i):357913941;do if(e)if(e>>>0>357913941){i=ra(8)|0;Wo(i,14941);f[i>>2]=6944;va(i|0,1080,114)}else{l=dn(e*12|0)|0;break}else l=0;while(0);i=l+(j*12|0)|0;j=l+(e*12|0)|0;e=b;b=i;l=i;do{f[b>>2]=f[c>>2];f[b+4>>2]=f[c+4>>2];f[b+8>>2]=f[c+8>>2];b=l+12|0;l=b;e=e+-1|0}while((e|0)!=0);e=f[a>>2]|0;b=(f[g>>2]|0)-e|0;c=i+(((b|0)/-12|0)*12|0)|0;if((b|0)>0)Rg(c|0,e|0,b|0)|0;f[a>>2]=c;f[g>>2]=l;f[d>>2]=j;if(!e)return;br(e);return}function Bg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d>>2;g=e+1|0;if(g>>>0>1073741823)mq(a);h=a+8|0;i=(f[h>>2]|0)-d|0;d=i>>1;j=i>>2>>>0<536870911?(d>>>0>>0?g:d):1073741823;do if(j)if(j>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}else{k=dn(j<<2)|0;break}else k=0;while(0);d=k+(e<<2)|0;e=d;g=k+(j<<2)|0;j=f[b>>2]|0;f[b>>2]=0;f[d>>2]=j;j=d+4|0;b=f[a>>2]|0;k=f[c>>2]|0;if((k|0)==(b|0)){l=e;m=b;n=b}else{i=k;k=e;e=d;do{i=i+-4|0;d=f[i>>2]|0;f[i>>2]=0;f[e+-4>>2]=d;e=k+-4|0;k=e}while((i|0)!=(b|0));l=k;m=f[a>>2]|0;n=f[c>>2]|0}f[a>>2]=l;f[c>>2]=j;f[h>>2]=g;g=m;if((n|0)!=(g|0)){h=n;do{h=h+-4|0;n=f[h>>2]|0;f[h>>2]=0;if(n|0){Qi(n);br(n)}}while((h|0)!=(g|0))}if(!m)return;br(m);return}function Cg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;e=f[b>>2]|0;g=f[a>>2]|0;h=f[d>>2]|0;d=f[h>>2]|0;i=(f[h+4>>2]|0)-d>>3;if(i>>>0<=e>>>0)mq(h);j=d;if(i>>>0<=g>>>0)mq(h);d=f[j+(e<<3)>>2]|0;k=f[c>>2]|0;if(i>>>0<=k>>>0)mq(h);l=j+(g<<3)|0;m=(f[j+(k<<3)>>2]|0)>>>0>>0;if(d>>>0<(f[l>>2]|0)>>>0){if(m){f[a>>2]=k;f[c>>2]=g;n=1;return n|0}f[a>>2]=e;f[b>>2]=g;d=f[c>>2]|0;if(i>>>0<=d>>>0)mq(h);if((f[j+(d<<3)>>2]|0)>>>0>=(f[l>>2]|0)>>>0){n=1;return n|0}f[b>>2]=d;f[c>>2]=g;n=2;return n|0}if(!m){n=0;return n|0}f[b>>2]=k;f[c>>2]=e;e=f[b>>2]|0;c=f[a>>2]|0;if(i>>>0<=e>>>0)mq(h);if(i>>>0<=c>>>0)mq(h);if((f[j+(e<<3)>>2]|0)>>>0>=(f[j+(c<<3)>>2]|0)>>>0){n=1;return n|0}f[a>>2]=e;f[b>>2]=c;n=2;return n|0}function Dg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0;e=u;u=u+96|0;g=e+40|0;h=e;Am(g,c);we(h,b,c);th(g,h);sj(h+24|0,f[h+28>>2]|0);Dj(h+12|0,f[h+16>>2]|0);sj(h,f[h+4>>2]|0);Si(a,g,d);f[g>>2]=2968;sj(g+28|0,f[g+32>>2]|0);Dj(g+16|0,f[g+20>>2]|0);sj(g+4|0,f[g+8>>2]|0);u=e;return}function Eg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;a=u;u=u+16|0;e=a;if(!b){g=0;u=a;return g|0}h=b+96|0;i=b+100|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;b=f[i>>2]|0;j=f[h>>2]|0;k=(b-j|0)/12|0;l=j;j=b;if(k>>>0>=c>>>0){if(k>>>0>c>>>0?(b=l+(c*12|0)|0,(b|0)!=(j|0)):0)f[i>>2]=j+(~(((j+-12-b|0)>>>0)/12|0)*12|0);if(!c){g=1;u=a;return g|0}}else Ag(h,c-k|0,e);k=0;b=f[h>>2]|0;while(1){j=k*3|0;l=f[d+(j<<2)>>2]|0;m=f[d+(j+1<<2)>>2]|0;n=f[d+(j+2<<2)>>2]|0;j=((f[i>>2]|0)-b|0)/12|0;o=k;k=k+1|0;if(o>>>0>>0){p=b;q=b}else{f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;Ag(h,k-j|0,e);j=f[h>>2]|0;p=j;q=j}f[p+(o*12|0)>>2]=l;f[p+(o*12|0)+4>>2]=m;f[p+(o*12|0)+8>>2]=n;if((k|0)==(c|0)){g=1;break}else b=q}u=a;return g|0}function Fg(a){a=+a;var b=0,c=0,d=0,e=0.0,g=0,h=0,i=0,j=0,k=0,l=0,m=0.0,n=0.0,o=0.0,q=0.0,r=0.0,t=0.0;p[s>>3]=a;b=f[s>>2]|0;c=f[s+4>>2]|0;d=(c|0)<0;do if(d|c>>>0<1048576){if((b|0)==0&(c&2147483647|0)==0){e=-1.0/(a*a);break}if(d){e=(a-a)/0.0;break}else{p[s>>3]=a*18014398509481984.0;g=f[s+4>>2]|0;h=-1077;i=g;j=f[s>>2]|0;k=g;l=9;break}}else if(c>>>0<=2146435071)if((b|0)==0&0==0&(c|0)==1072693248)e=0.0;else{h=-1023;i=c;j=b;k=c;l=9}else e=a;while(0);if((l|0)==9){l=i+614242|0;f[s>>2]=j;f[s+4>>2]=(l&1048575)+1072079006;a=+p[s>>3]+-1.0;m=a*a*.5;n=a/(a+2.0);o=n*n;q=o*o;p[s>>3]=a-m;j=f[s+4>>2]|0;f[s>>2]=0;f[s+4>>2]=j;r=+p[s>>3];t=a-r-m+n*(m+(q*(q*(q*.15313837699209373+.22222198432149784)+.3999999999940942)+o*(q*(q*(q*.14798198605116586+.1818357216161805)+.2857142874366239)+.6666666666666735)));q=r*1.4426950407214463;o=+(h+(l>>>20)|0);m=q+o;e=m+(q+(o-m)+(t*1.4426950407214463+(t+r)*1.6751713164886512e-10))}return +e}function Gg(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=u;u=u+16|0;e=d;g=dn(32)|0;f[e>>2]=g;f[e+8>>2]=-2147483616;f[e+4>>2]=17;h=g;i=12804;j=h+17|0;do{b[h>>0]=b[i>>0]|0;h=h+1|0;i=i+1|0}while((h|0)<(j|0));b[g+17>>0]=0;g=c+16|0;i=f[g>>2]|0;if(i){h=g;j=i;a:while(1){i=j;while(1){if((f[i+16>>2]|0)>=(a|0))break;k=f[i+4>>2]|0;if(!k){l=h;break a}else i=k}j=f[i>>2]|0;if(!j){l=i;break}else h=i}if(((l|0)!=(g|0)?(f[l+16>>2]|0)<=(a|0):0)?(a=l+20|0,(sh(a,e)|0)!=0):0)m=a;else n=10}else n=10;if((n|0)==10)m=c;c=yk(m,e,-1)|0;if((b[e+11>>0]|0)>=0){o=(c|0)==-1;p=c>>>0>6;q=p?-2:c;r=o?-1:q;u=d;return r|0}br(f[e>>2]|0);o=(c|0)==-1;p=c>>>0>6;q=p?-2:c;r=o?-1:q;u=d;return r|0}function Hg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0;d=u;u=u+16|0;e=d;g=f[c>>2]|0;f[c>>2]=0;f[e>>2]=g;ug(a,b,e);g=f[e>>2]|0;f[e>>2]=0;if(g|0){e=g+88|0;c=f[e>>2]|0;f[e>>2]=0;if(c|0){e=f[c+8>>2]|0;if(e|0){h=c+12|0;if((f[h>>2]|0)!=(e|0))f[h>>2]=e;br(e)}br(c)}c=f[g+68>>2]|0;if(c|0){e=g+72|0;h=f[e>>2]|0;if((h|0)!=(c|0))f[e>>2]=h+(~((h+-4-c|0)>>>2)<<2);br(c)}c=g+64|0;h=f[c>>2]|0;f[c>>2]=0;if(h|0){c=f[h>>2]|0;if(c|0){e=h+4|0;if((f[e>>2]|0)!=(c|0))f[e>>2]=c;br(c)}br(h)}br(g)}g=a+84|0;h=a+88|0;a=f[h>>2]|0;c=f[g>>2]|0;e=a-c>>2;if((e|0)>(b|0)){u=d;return}i=b+1|0;b=a;if(i>>>0>e>>>0){nh(g,i-e|0);u=d;return}if(i>>>0>=e>>>0){u=d;return}e=c+(i<<2)|0;if((e|0)==(b|0)){u=d;return}f[h>>2]=b+(~((b+-4-e|0)>>>2)<<2);u=d;return}function Ig(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;g=a+4|0;f[g>>2]=c;f[a+8>>2]=f[c+56>>2];h=f[a+184>>2]|0;i=a+188|0;j=f[i>>2]|0;if((j|0)!=(h|0))f[i>>2]=j+(~((j+-4-h|0)>>>2)<<2);h=f[c+48>>2]|0;c=dn(32)|0;f[e>>2]=c;f[e+8>>2]=-2147483616;f[e+4>>2]=19;j=c;i=14285;k=j+19|0;do{b[j>>0]=b[i>>0]|0;j=j+1|0;i=i+1|0}while((j|0)<(k|0));b[c+19>>0]=0;c=(sh(h,e)|0)==0;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);h=f[(f[g>>2]|0)+48>>2]|0;if(c){c=(Yh(h)|0)>5&1;b[a+352>>0]=c;u=d;return 1}c=dn(32)|0;f[e>>2]=c;f[e+8>>2]=-2147483616;f[e+4>>2]=19;j=c;i=14285;k=j+19|0;do{b[j>>0]=b[i>>0]|0;j=j+1|0;i=i+1|0}while((j|0)<(k|0));b[c+19>>0]=0;c=(Oj(h,e,0)|0)&1;b[a+352>>0]=c;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);u=d;return 1}function Jg(a){a=a|0;var c=0,d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0;c=a+108|0;d=(f[a+112>>2]|0)-(f[c>>2]|0)|0;e=(d|0)/12|0;g=a+4|0;Nh(e,f[(f[g>>2]|0)+44>>2]|0)|0;if(!d)return 1;d=0;a=0;while(1){i=f[c>>2]|0;j=i+(d*12|0)+4|0;Nh((f[j>>2]|0)-a|0,f[(f[g>>2]|0)+44>>2]|0)|0;Nh((f[j>>2]|0)-(f[i+(d*12|0)>>2]|0)|0,f[(f[g>>2]|0)+44>>2]|0)|0;d=d+1|0;if(d>>>0>=e>>>0)break;else a=f[j>>2]|0}li(f[(f[g>>2]|0)+44>>2]|0,e,0,0)|0;a=0;do{d=f[(f[g>>2]|0)+44>>2]|0;j=d+16|0;i=f[j+4>>2]|0;if((i|0)>0|(i|0)==0&(f[j>>2]|0)>>>0>0){j=f[d+12>>2]|0;d=j+4|0;i=f[d>>2]|0;k=b[(f[c>>2]|0)+(a*12|0)+8>>0]&1;l=i>>>3;m=i&7;i=(f[j>>2]|0)+l|0;b[i>>0]=(1<>0]|0);i=(f[j>>2]|0)+l|0;b[i>>0]=k<>0]|0);f[d>>2]=(f[d>>2]|0)+1}a=a+1|0}while(a>>>0>>0);Qf(f[(f[g>>2]|0)+44>>2]|0);return 1}function Kg(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;g=a+4|0;f[g>>2]=c;f[a+8>>2]=f[c+56>>2];h=f[a+184>>2]|0;i=a+188|0;j=f[i>>2]|0;if((j|0)!=(h|0))f[i>>2]=j+(~((j+-4-h|0)>>>2)<<2);h=f[c+48>>2]|0;c=dn(32)|0;f[e>>2]=c;f[e+8>>2]=-2147483616;f[e+4>>2]=19;j=c;i=14285;k=j+19|0;do{b[j>>0]=b[i>>0]|0;j=j+1|0;i=i+1|0}while((j|0)<(k|0));b[c+19>>0]=0;c=(sh(h,e)|0)==0;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);h=f[(f[g>>2]|0)+48>>2]|0;if(c){c=(Yh(h)|0)>5&1;b[a+288>>0]=c;u=d;return 1}c=dn(32)|0;f[e>>2]=c;f[e+8>>2]=-2147483616;f[e+4>>2]=19;j=c;i=14285;k=j+19|0;do{b[j>>0]=b[i>>0]|0;j=j+1|0;i=i+1|0}while((j|0)<(k|0));b[c+19>>0]=0;c=(Oj(h,e,0)|0)&1;b[a+288>>0]=c;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);u=d;return 1}function Lg(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;g=u;u=u+32|0;h=g+16|0;i=g+8|0;j=g;k=d-e|0;d=a+8|0;if((k|0)>0){a=0-e|0;l=i+4|0;m=j+4|0;n=h+4|0;o=k;do{k=b+(o<<2)|0;p=k+(a<<2)|0;q=c+(o<<2)|0;r=f[k+4>>2]|0;s=f[p>>2]|0;t=f[p+4>>2]|0;f[i>>2]=f[k>>2];f[l>>2]=r;f[j>>2]=s;f[m>>2]=t;Dd(h,d,i,j);f[q>>2]=f[h>>2];f[q+4>>2]=f[n>>2];o=o-e|0}while((o|0)>0)}o=e>>>0>1073741823?-1:e<<2;e=_q(o)|0;hj(e|0,0,o|0)|0;o=f[b+4>>2]|0;n=f[e>>2]|0;m=f[e+4>>2]|0;f[i>>2]=f[b>>2];f[i+4>>2]=o;f[j>>2]=n;f[j+4>>2]=m;Dd(h,d,i,j);f[c>>2]=f[h>>2];f[c+4>>2]=f[h+4>>2];$q(e);u=g;return 1}function Mg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+32|0;d=c+12|0;e=c;g=f[b+100>>2]|0;h=f[b+96>>2]|0;b=g-h|0;i=(b|0)/12|0;f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;k=h;do if(b)if(i>>>0>357913941)mq(d);else{l=dn(b)|0;f[d>>2]=l;f[d+8>>2]=l+(i*12|0);hj(l|0,0,b|0)|0;f[j>>2]=l+b;m=l;break}else m=0;while(0);f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;if((g|0)!=(h|0)){h=e+4|0;g=e+8|0;b=0;do{l=k+(b*12|0)|0;f[e>>2]=f[l>>2];f[e+4>>2]=f[l+4>>2];f[e+8>>2]=f[l+8>>2];f[m+(b*12|0)>>2]=f[e>>2];f[m+(b*12|0)+4>>2]=f[h>>2];f[m+(b*12|0)+8>>2]=f[g>>2];b=b+1|0}while(b>>>0>>0)}Cj(a,d);a=f[d>>2]|0;if(!a){u=c;return}d=f[j>>2]|0;if((d|0)!=(a|0))f[j>>2]=d+(~(((d+-12-a|0)>>>0)/12|0)*12|0);br(a);u=c;return}function Ng(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;if(c>>>0>4294967279)mq(a);d=a+11|0;e=b[d>>0]|0;g=e<<24>>24<0;if(g){h=f[a+4>>2]|0;i=(f[a+8>>2]&2147483647)+-1|0}else{h=e&255;i=10}j=h>>>0>c>>>0?h:c;c=j>>>0<11;k=c?10:(j+16&-16)+-1|0;do if((k|0)!=(i|0)){do if(c){j=f[a>>2]|0;if(g){l=0;m=j;n=a;o=13}else{Lo(a,j,(e&255)+1|0)|0;br(j);o=16}}else{j=k+1|0;p=dn(j)|0;if(g){l=1;m=f[a>>2]|0;n=p;o=13;break}else{Lo(p,a,(e&255)+1|0)|0;q=p;r=j;s=a+4|0;o=15;break}}while(0);if((o|0)==13){j=a+4|0;Lo(n,m,(f[j>>2]|0)+1|0)|0;br(m);if(l){q=n;r=k+1|0;s=j;o=15}else o=16}if((o|0)==15){f[a+8>>2]=r|-2147483648;f[s>>2]=h;f[a>>2]=q;break}else if((o|0)==16){b[d>>0]=h;break}}while(0);return}function Og(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=f[b>>2]|0;if((c|0)==-1){d=-1;return d|0}b=f[(f[a+24>>2]|0)+(c<<2)>>2]|0;if((b|0)==-1){d=0;return d|0}c=a+12|0;a=0;e=0;g=b;a:while(1){b:do if(e){h=a+1|0;i=(((g>>>0)%3|0|0)==0?2:-1)+g|0;if((i|0)==-1){d=h;j=15;break a}k=f[(f[c>>2]|0)+(i<<2)>>2]|0;if((k|0)==-1){d=h;j=15;break a}if(!((k>>>0)%3|0)){l=k+2|0;m=h;break}else{l=k+-1|0;m=h;break}}else{h=a;k=g;while(1){i=h+1|0;n=k+1|0;o=((n>>>0)%3|0|0)==0?k+-2|0:n;if((o|0)==-1){l=b;m=i;break b}n=f[(f[c>>2]|0)+(o<<2)>>2]|0;o=n+1|0;if((n|0)==-1){l=b;m=i;break b}k=((o>>>0)%3|0|0)==0?n+-2|0:o;if((k|0)==-1){l=b;m=i;break b}if((k|0)==(b|0)){d=i;j=15;break a}else h=i}}while(0);if((l|0)==-1){d=m;j=15;break}else{a=m;e=1;g=l}}if((j|0)==15)return d|0;return 0}function Pg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=a+8|0;Cg(a,a+4|0,d,c)|0;e=a+12|0;if((e|0)==(b|0))return;g=f[c>>2]|0;c=f[g>>2]|0;h=(f[g+4>>2]|0)-c>>3;i=c;c=e;e=d;a:while(1){d=f[c>>2]|0;j=f[e>>2]|0;if(h>>>0<=d>>>0){k=5;break}if(h>>>0<=j>>>0){k=7;break}l=i+(d<<3)|0;if((f[l>>2]|0)>>>0<(f[i+(j<<3)>>2]|0)>>>0){m=e;n=c;o=j;while(1){f[n>>2]=o;if((m|0)==(a|0)){p=a;break}j=m+-4|0;o=f[j>>2]|0;if(h>>>0<=o>>>0){k=11;break a}if((f[l>>2]|0)>>>0>=(f[i+(o<<3)>>2]|0)>>>0){p=m;break}else{q=m;m=j;n=q}}f[p>>2]=d}n=c+4|0;if((n|0)==(b|0)){k=3;break}else{m=c;c=n;e=m}}if((k|0)==3)return;else if((k|0)==5)mq(g);else if((k|0)==7)mq(g);else if((k|0)==11)mq(g)}function Qg(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=Cg(a,b,c,e)|0;h=f[d>>2]|0;i=f[c>>2]|0;j=f[e>>2]|0;e=f[j>>2]|0;k=(f[j+4>>2]|0)-e>>3;if(k>>>0<=h>>>0)mq(j);l=e;if(k>>>0<=i>>>0)mq(j);if((f[l+(h<<3)>>2]|0)>>>0>=(f[l+(i<<3)>>2]|0)>>>0){m=g;return m|0}f[c>>2]=h;f[d>>2]=i;i=f[c>>2]|0;d=f[b>>2]|0;if(k>>>0<=i>>>0)mq(j);if(k>>>0<=d>>>0)mq(j);if((f[l+(i<<3)>>2]|0)>>>0>=(f[l+(d<<3)>>2]|0)>>>0){m=g+1|0;return m|0}f[b>>2]=i;f[c>>2]=d;d=f[b>>2]|0;c=f[a>>2]|0;if(k>>>0<=d>>>0)mq(j);if(k>>>0<=c>>>0)mq(j);if((f[l+(d<<3)>>2]|0)>>>0>=(f[l+(c<<3)>>2]|0)>>>0){m=g+2|0;return m|0}f[a>>2]=d;f[b>>2]=c;m=g+3|0;return m|0}function Rg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0;if((d|0)>=8192)return Da(a|0,c|0,d|0)|0;e=a|0;g=a+d|0;if((a&3)==(c&3)){while(a&3){if(!d)return e|0;b[a>>0]=b[c>>0]|0;a=a+1|0;c=c+1|0;d=d-1|0}h=g&-4|0;d=h-64|0;while((a|0)<=(d|0)){f[a>>2]=f[c>>2];f[a+4>>2]=f[c+4>>2];f[a+8>>2]=f[c+8>>2];f[a+12>>2]=f[c+12>>2];f[a+16>>2]=f[c+16>>2];f[a+20>>2]=f[c+20>>2];f[a+24>>2]=f[c+24>>2];f[a+28>>2]=f[c+28>>2];f[a+32>>2]=f[c+32>>2];f[a+36>>2]=f[c+36>>2];f[a+40>>2]=f[c+40>>2];f[a+44>>2]=f[c+44>>2];f[a+48>>2]=f[c+48>>2];f[a+52>>2]=f[c+52>>2];f[a+56>>2]=f[c+56>>2];f[a+60>>2]=f[c+60>>2];a=a+64|0;c=c+64|0}while((a|0)<(h|0)){f[a>>2]=f[c>>2];a=a+4|0;c=c+4|0}}else{h=g-4|0;while((a|0)<(h|0)){b[a>>0]=b[c>>0]|0;b[a+1>>0]=b[c+1>>0]|0;b[a+2>>0]=b[c+2>>0]|0;b[a+3>>0]=b[c+3>>0]|0;a=a+4|0;c=c+4|0}}while((a|0)<(g|0)){b[a>>0]=b[c>>0]|0;a=a+1|0;c=c+1|0}return e|0}function Sg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0;c=u;u=u+16|0;d=c+4|0;e=c;f[a>>2]=1216;g=a+4|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;f[g+16>>2]=0;f[g+20>>2]=0;f[g+24>>2]=0;f[g+28>>2]=0;f[d>>2]=b;b=a+4|0;g=a+8|0;Ci(b,d);h=f[d>>2]|0;i=a+20|0;j=f[i>>2]|0;k=a+16|0;a=f[k>>2]|0;l=j-a>>2;m=a;if((h|0)<(l|0)){n=m;o=h;p=f[g>>2]|0;q=f[b>>2]|0;r=p-q|0;s=r>>2;t=s+-1|0;v=n+(o<<2)|0;f[v>>2]=t;u=c;return}a=h+1|0;f[e>>2]=-1;w=j;if(a>>>0<=l>>>0)if(a>>>0>>0?(j=m+(a<<2)|0,(j|0)!=(w|0)):0){f[i>>2]=w+(~((w+-4-j|0)>>>2)<<2);x=h;y=m}else{x=h;y=m}else{kh(k,a-l|0,e);x=f[d>>2]|0;y=f[k>>2]|0}n=y;o=x;p=f[g>>2]|0;q=f[b>>2]|0;r=p-q|0;s=r>>2;t=s+-1|0;v=n+(o<<2)|0;f[v>>2]=t;u=c;return}function Tg(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;b=a+4|0;c=f[b>>2]|0;d=(f[c+12>>2]|0)-(f[c+8>>2]|0)|0;c=d>>2;a:do if((d|0)>0){e=0;while(1){if(!(Ra[f[(f[a>>2]|0)+36>>2]&127](a,e)|0)){g=0;break}e=e+1|0;h=f[b>>2]|0;i=(f[h+12>>2]|0)-(f[h+8>>2]|0)>>2;if((e|0)>=(i|0)){j=i;break a}}return g|0}else j=c;while(0);c=a+20|0;b=a+24|0;d=f[b>>2]|0;e=f[c>>2]|0;i=d-e>>2;h=e;e=d;if(j>>>0<=i>>>0){if(j>>>0>>0?(d=h+(j<<2)|0,(d|0)!=(e|0)):0)f[b>>2]=e+(~((e+-4-d|0)>>>2)<<2)}else oi(c,j-i|0);i=f[a+12>>2]|0;j=f[a+8>>2]|0;a=j;if((i|0)==(j|0)){g=1;return g|0}d=i-j>>2;j=0;do{i=f[a+(j<<2)>>2]|0;e=f[i+8>>2]|0;b=f[i+4>>2]|0;i=b;if((e|0)!=(b|0)?(h=f[c>>2]|0,k=e-b>>2,f[h+(f[i>>2]<<2)>>2]=j,k>>>0>1):0){b=1;do{f[h+(f[i+(b<<2)>>2]<<2)>>2]=j;b=b+1|0}while(b>>>0>>0)}j=j+1|0}while(j>>>0>>0);g=1;return g|0}function Ug(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;d=f[c+88>>2]|0;if(!d){e=0;return e|0}if((f[d>>2]|0)!=1){e=0;return e|0}g=d+8|0;d=f[g>>2]|0;f[a+4>>2]=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;i=a+8|0;j=c+24|0;c=b[j>>0]|0;k=c<<24>>24;l=a+12|0;m=f[l>>2]|0;n=f[i>>2]|0;o=m-n>>2;p=n;n=m;if(o>>>0>=k>>>0)if(o>>>0>k>>>0?(m=p+(k<<2)|0,(m|0)!=(n|0)):0){f[l>>2]=n+(~((n+-4-m|0)>>>2)<<2);q=c;r=d}else{q=c;r=d}else{oi(i,k-o|0);q=b[j>>0]|0;r=f[g>>2]|0}g=r+4|0;j=h[g>>0]|h[g+1>>0]<<8|h[g+2>>0]<<16|h[g+3>>0]<<24;if(q<<24>>24>0){g=f[i>>2]|0;i=q<<24>>24;q=j;o=4;k=0;while(1){f[g+(k<<2)>>2]=q;o=o+4|0;k=k+1|0;d=r+o|0;c=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;if((k|0)>=(i|0)){s=c;break}else q=c}}else s=j;f[a+20>>2]=s;e=1;return e|0}function Vg(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;do if(!(qp(a,f[c+8>>2]|0,g)|0)){if(!(qp(a,f[c>>2]|0,g)|0)){h=f[a+8>>2]|0;Za[f[(f[h>>2]|0)+24>>2]&3](h,c,d,e,g);break}if((f[c+16>>2]|0)!=(d|0)?(h=c+20|0,(f[h>>2]|0)!=(d|0)):0){f[c+32>>2]=e;i=c+44|0;if((f[i>>2]|0)==4)break;j=c+52|0;b[j>>0]=0;k=c+53|0;b[k>>0]=0;l=f[a+8>>2]|0;_a[f[(f[l>>2]|0)+20>>2]&3](l,c,d,d,1,g);if(b[k>>0]|0)if(!(b[j>>0]|0)){m=3;n=11}else o=3;else{m=4;n=11}if((n|0)==11){f[h>>2]=d;h=c+40|0;f[h>>2]=(f[h>>2]|0)+1;if((f[c+36>>2]|0)==1?(f[c+24>>2]|0)==2:0){b[c+54>>0]=1;o=m}else o=m}f[i>>2]=o;break}if((e|0)==1)f[c+32>>2]=1}else Om(0,c,d,e);while(0);return}function Wg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=u;u=u+16|0;g=e+12|0;h=e+8|0;i=e;f[i>>2]=f[b>>2];f[g>>2]=f[i>>2];i=zd(a,g,h,e+4|0,c)|0;c=f[i>>2]|0;if(c|0){j=c;u=e;return j|0}c=dn(40)|0;dj(c+16|0,d);dj(c+28|0,d+12|0);d=f[h>>2]|0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=d;f[i>>2]=c;d=f[f[a>>2]>>2]|0;if(!d)k=c;else{f[a>>2]=d;k=f[i>>2]|0}Ae(f[a+4>>2]|0,k);k=a+8|0;f[k>>2]=(f[k>>2]|0)+1;j=c;u=e;return j|0}function Xg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;e=u;u=u+16|0;g=e;h=a+4|0;f[h>>2]=0;if(!c){u=e;return}i=a+8|0;j=f[i>>2]|0;k=j<<5;if(k>>>0>>0){f[g>>2]=0;l=g+4|0;f[l>>2]=0;m=g+8|0;f[m>>2]=0;if((c|0)<0)mq(a);n=j<<6;j=c+31&-32;hi(g,k>>>0<1073741823?(n>>>0>>0?j:n):2147483647);n=f[a>>2]|0;f[a>>2]=f[g>>2];f[g>>2]=n;g=f[h>>2]|0;f[h>>2]=c;f[l>>2]=g;g=f[i>>2]|0;f[i>>2]=f[m>>2];f[m>>2]=g;if(n|0)br(n);o=a}else{f[h>>2]=c;o=a}a=f[o>>2]|0;o=a;h=a;a=c>>>5;n=a<<2;if(!(b[d>>0]|0)){hj(h|0,0,n|0)|0;d=c&31;g=o+(a<<2)|0;if(!d){u=e;return}f[g>>2]=f[g>>2]&~(-1>>>(32-d|0));u=e;return}else{hj(h|0,-1,n|0)|0;n=c&31;c=o+(a<<2)|0;if(!n){u=e;return}f[c>>2]=f[c>>2]|-1>>>(32-n|0);u=e;return}}function Yg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[a+12>>2];h=b+16|0;i=h;j=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&j>>>0>0){l=k;m=j}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;j=h;l=f[j+4>>2]|0;m=f[j>>2]|0}f[g>>2]=f[a+20>>2];if((l|0)>0|(l|0)==0&m>>>0>0){n=a+88|0;fd(n,b);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;n=a+88|0;fd(n,b);u=c;return 1}function Zg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[a+12>>2];h=b+16|0;i=h;j=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&j>>>0>0){l=k;m=j}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;j=h;l=f[j+4>>2]|0;m=f[j>>2]|0}f[g>>2]=f[a+16>>2];if((l|0)>0|(l|0)==0&m>>>0>0){n=a+108|0;fd(n,b);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;n=a+108|0;fd(n,b);u=c;return 1}function _g(a){a=a|0;var c=0,d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=a+32|0;d=f[a+64>>2]|0;e=(Qa[f[(f[d>>2]|0)+40>>2]&127](d)|0)+56|0;d=f[e>>2]|0;li(c,(((f[d+100>>2]|0)-(f[d+96>>2]|0)|0)/12|0)*3|0,0,1)|0;d=a+68|0;e=f[d>>2]|0;g=(f[a+72>>2]|0)-e|0;if((g|0)<=0){Qf(c);return}i=a+48|0;j=a+44|0;a=(g>>>2)+-1|0;g=e;while(1){e=f[g+(a<<2)>>2]|0;k=f[3124+(e<<2)>>2]|0;l=i;m=f[l+4>>2]|0;if((m|0)>0|(m|0)==0&(f[l>>2]|0)>>>0>0?(l=f[j>>2]|0,171>>>e&1|0):0){m=l+4|0;n=0;o=f[m>>2]|0;do{p=o>>>3;q=o&7;r=(f[l>>2]|0)+p|0;b[r>>0]=(1<>0]|0);r=(f[l>>2]|0)+p|0;b[r>>0]=(e>>>n&1)<>0]|0);o=(f[m>>2]|0)+1|0;f[m>>2]=o;n=n+1|0}while((n|0)!=(k|0))}k=a+-1|0;if((k|0)<=-1)break;a=k;g=f[d>>2]|0}Qf(c);return}function $g(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+48|0;h=g;i=g+32|0;if(!c){j=0;u=g;return j|0}Cn(h);do if((Tl(c,0)|0)!=-1){if(d){if(!(Qa[f[(f[c>>2]|0)+16>>2]&127](c)|0)){k=0;break}Va[f[(f[c>>2]|0)+20>>2]&127](c)}Dg(i,a,c,h);l=(f[i>>2]|0)==0;m=i+4|0;if((b[m+11>>0]|0)<0)br(f[m>>2]|0);if(l){l=f[h>>2]|0;m=h+4|0;ag(e,l,l+((f[m>>2]|0)-l)|0);k=(f[m>>2]|0)-(f[h>>2]|0)|0}else k=0}else k=0;while(0);e=h+12|0;i=f[e>>2]|0;f[e>>2]=0;if(i|0)br(i);i=f[h>>2]|0;if(i|0){e=h+4|0;if((f[e>>2]|0)!=(i|0))f[e>>2]=i;br(i)}j=k;u=g;return j|0}function ah(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=u;u=u+16|0;d=c;e=f[(f[a>>2]|0)+8>>2]|0;g=a+8|0;h=a+12|0;i=(f[h>>2]|0)-(f[g>>2]|0)>>2;j=f[b>>2]|0;f[b>>2]=0;f[d>>2]=j;Xa[e&15](a,i,d);i=f[d>>2]|0;f[d>>2]=0;if(!i){k=f[h>>2]|0;l=f[g>>2]|0;m=k-l|0;n=m>>2;o=n+-1|0;u=c;return o|0}d=i+88|0;a=f[d>>2]|0;f[d>>2]=0;if(a|0){d=f[a+8>>2]|0;if(d|0){e=a+12|0;if((f[e>>2]|0)!=(d|0))f[e>>2]=d;br(d)}br(a)}a=f[i+68>>2]|0;if(a|0){d=i+72|0;e=f[d>>2]|0;if((e|0)!=(a|0))f[d>>2]=e+(~((e+-4-a|0)>>>2)<<2);br(a)}a=i+64|0;e=f[a>>2]|0;f[a>>2]=0;if(e|0){a=f[e>>2]|0;if(a|0){d=e+4|0;if((f[d>>2]|0)!=(a|0))f[d>>2]=a;br(a)}br(e)}br(i);k=f[h>>2]|0;l=f[g>>2]|0;m=k-l|0;n=m>>2;o=n+-1|0;u=c;return o|0}function bh(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;if(b[a+352>>0]|0)return 1;c=a+8|0;d=f[c>>2]|0;e=(f[d+12>>2]|0)-(f[d+8>>2]|0)|0;d=e>>2;g=a+172|0;si(g,d+-1|0);if(!((d|0)!=1&(e|0)>0))return 1;e=a+12|0;a=0;h=0;while(1){i=f[(f[(f[c>>2]|0)+8>>2]|0)+(a<<2)>>2]|0;if(!(f[i+56>>2]|0))j=h;else{k=f[g>>2]|0;f[k+(h*136|0)>>2]=a;l=f[k+(h*136|0)+104>>2]|0;m=k+(h*136|0)+108|0;n=f[m>>2]|0;if((n|0)!=(l|0))f[m>>2]=n+(~((n+-4-l|0)>>>2)<<2);l=f[e>>2]|0;$j(k+(h*136|0)+104|0,(f[l+4>>2]|0)-(f[l>>2]|0)>>2);l=f[g>>2]|0;f[l+(h*136|0)+128>>2]=0;zc(l+(h*136|0)+4|0,f[c>>2]|0,f[e>>2]|0,i)|0;j=h+1|0}a=a+1|0;if((a|0)>=(d|0))break;else h=j}return 1}function ch(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;if(b[a+288>>0]|0)return 1;c=a+8|0;d=f[c>>2]|0;e=(f[d+12>>2]|0)-(f[d+8>>2]|0)|0;d=e>>2;g=a+172|0;si(g,d+-1|0);if(!((d|0)!=1&(e|0)>0))return 1;e=a+12|0;a=0;h=0;while(1){i=f[(f[(f[c>>2]|0)+8>>2]|0)+(a<<2)>>2]|0;if(!(f[i+56>>2]|0))j=h;else{k=f[g>>2]|0;f[k+(h*136|0)>>2]=a;l=f[k+(h*136|0)+104>>2]|0;m=k+(h*136|0)+108|0;n=f[m>>2]|0;if((n|0)!=(l|0))f[m>>2]=n+(~((n+-4-l|0)>>>2)<<2);l=f[e>>2]|0;$j(k+(h*136|0)+104|0,(f[l+4>>2]|0)-(f[l>>2]|0)>>2);l=f[g>>2]|0;f[l+(h*136|0)+128>>2]=0;zc(l+(h*136|0)+4|0,f[c>>2]|0,f[e>>2]|0,i)|0;j=h+1|0}a=a+1|0;if((a|0)>=(d|0))break;else h=j}return 1}function dh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;if(d-g>>3>>>0>=b>>>0){h=b;i=g;do{j=i;f[j>>2]=0;f[j+4>>2]=0;i=(f[e>>2]|0)+8|0;f[e>>2]=i;h=h+-1|0}while((h|0)!=0);return}h=f[a>>2]|0;i=g-h>>3;g=i+b|0;if(g>>>0>536870911)mq(a);j=d-h|0;h=j>>2;d=j>>3>>>0<268435455?(h>>>0>>0?g:h):536870911;do if(d)if(d>>>0>536870911){h=ra(8)|0;Wo(h,14941);f[h>>2]=6944;va(h|0,1080,114)}else{k=dn(d<<3)|0;break}else k=0;while(0);h=k+(i<<3)|0;i=k+(d<<3)|0;d=b;b=h;k=h;do{g=b;f[g>>2]=0;f[g+4>>2]=0;b=k+8|0;k=b;d=d+-1|0}while((d|0)!=0);d=f[a>>2]|0;b=(f[e>>2]|0)-d|0;g=h+(0-(b>>3)<<3)|0;if((b|0)>0)Rg(g|0,d|0,b|0)|0;f[a>>2]=g;f[e>>2]=k;f[c>>2]=i;if(!d)return;br(d);return}function eh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;e=u;u=u+16|0;g=e+4|0;h=e;i=e+8|0;j=a&255;b[i>>0]=j&127;do if(c>>>0>0|(c|0)==0&a>>>0>127){b[i>>0]=j|-128;k=d+16|0;l=f[k+4>>2]|0;if((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0){m=0;break}else{f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];ye(d,g,i,i+1|0)|0;k=Wn(a|0,c|0,7)|0;m=eh(k,I,d)|0;break}}else{k=d+16|0;l=f[k+4>>2]|0;if((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0){m=0;break}f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];ye(d,g,i,i+1|0)|0;n=1;u=e;return n|0}while(0);n=m;u=e;return n|0}function fh(a,b){a=a|0;b=b|0;var c=0;c=a+8|0;ef(c,b)|0;if((c|0)==(b|0)){f[a+92>>2]=f[b+84>>2];return}else{Yf(a+56|0,f[b+48>>2]|0,f[b+52>>2]|0);Yf(a+68|0,f[b+60>>2]|0,f[b+64>>2]|0);Yf(a+80|0,f[b+72>>2]|0,f[b+76>>2]|0);f[a+92>>2]=f[b+84>>2];qg(a+96|0,f[b+88>>2]|0,f[b+92>>2]|0);return}}function gh(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0;g=f[(f[(f[d+4>>2]|0)+8>>2]|0)+(c<<2)>>2]|0;if((b|0)==-1)h=Ki(c,d)|0;else h=b;if((h|0)==-2)i=0;else{do if((Qa[f[(f[d>>2]|0)+8>>2]&127](d)|0)==1){Hf(a,d,h,c,e,514);if(!(f[a>>2]|0)){f[a>>2]=0;break}else return}while(0);c=dn(44)|0;f[c>>2]=1528;f[c+4>>2]=g;g=c+8|0;f[g>>2]=f[e>>2];f[g+4>>2]=f[e+4>>2];f[g+8>>2]=f[e+8>>2];f[g+12>>2]=f[e+12>>2];f[g+16>>2]=f[e+16>>2];f[g+20>>2]=f[e+20>>2];_j(c+32|0,e+24|0);f[c>>2]=1584;i=c}f[a>>2]=i;return}function hh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;e=u;u=u+224|0;g=e+120|0;h=e+80|0;i=e;j=e+136|0;k=h;l=k+40|0;do{f[k>>2]=0;k=k+4|0}while((k|0)<(l|0));f[g>>2]=f[d>>2];if((qb(0,c,g,i,h)|0)<0)m=-1;else{if((f[a+76>>2]|0)>-1)n=gr(a)|0;else n=0;d=f[a>>2]|0;k=d&32;if((b[a+74>>0]|0)<1)f[a>>2]=d&-33;d=a+48|0;if(!(f[d>>2]|0)){l=a+44|0;o=f[l>>2]|0;f[l>>2]=j;p=a+28|0;f[p>>2]=j;q=a+20|0;f[q>>2]=j;f[d>>2]=80;r=a+16|0;f[r>>2]=j+80;j=qb(a,c,g,i,h)|0;if(!o)s=j;else{Sa[f[a+36>>2]&31](a,0,0)|0;t=(f[q>>2]|0)==0?-1:j;f[l>>2]=o;f[d>>2]=0;f[r>>2]=0;f[p>>2]=0;f[q>>2]=0;s=t}}else s=qb(a,c,g,i,h)|0;h=f[a>>2]|0;f[a>>2]=h|k;if(n|0)fr(a);m=(h&32|0)==0?s:-1}u=e;return m|0}function ih(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0;d=u;u=u+16|0;e=d;if(!(fn(a,b,c)|0)){g=0;u=d;return g|0}if((Qa[f[(f[a>>2]|0)+32>>2]&127](a)|0)<<24>>24==1?((f[(f[a+8>>2]|0)+28>>2]|0)+-1|0)>>>0>=6:0){g=0;u=d;return g|0}h=Gg(c,f[b+48>>2]|0)|0;Xa[f[(f[a>>2]|0)+48>>2]&15](e,a,h);h=a+36|0;b=f[e>>2]|0;f[e>>2]=0;c=f[h>>2]|0;f[h>>2]=b;if(!c){f[e>>2]=0;i=b}else{Va[f[(f[c>>2]|0)+4>>2]&127](c);c=f[e>>2]|0;f[e>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);i=f[h>>2]|0}if(!i){g=1;u=d;return g|0}if(Ra[f[(f[a>>2]|0)+36>>2]&127](a,i)|0){g=1;u=d;return g|0}i=f[h>>2]|0;f[h>>2]=0;if(!i){g=1;u=d;return g|0}Va[f[(f[i>>2]|0)+4>>2]&127](i);g=1;u=d;return g|0}function jh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=d-e>>2;h=d;if(g>>>0>>0){hf(a,b-g|0);return}if(g>>>0<=b>>>0)return;g=e+(b<<2)|0;if((g|0)==(h|0))return;else i=h;do{h=i+-4|0;f[c>>2]=h;b=f[h>>2]|0;f[h>>2]=0;if(b|0){h=b+88|0;e=f[h>>2]|0;f[h>>2]=0;if(e|0){h=f[e+8>>2]|0;if(h|0){a=e+12|0;if((f[a>>2]|0)!=(h|0))f[a>>2]=h;br(h)}br(e)}e=f[b+68>>2]|0;if(e|0){h=b+72|0;a=f[h>>2]|0;if((a|0)!=(e|0))f[h>>2]=a+(~((a+-4-e|0)>>>2)<<2);br(e)}e=b+64|0;a=f[e>>2]|0;f[e>>2]=0;if(a|0){e=f[a>>2]|0;if(e|0){h=a+4|0;if((f[h>>2]|0)!=(e|0))f[h>>2]=e;br(e)}br(a)}br(b)}i=f[c>>2]|0}while((i|0)!=(g|0));return}function kh(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=a+8|0;e=f[d>>2]|0;g=a+4|0;h=f[g>>2]|0;i=h;if(e-h>>2>>>0>=b>>>0){j=b;k=i;while(1){f[k>>2]=f[c>>2];j=j+-1|0;if(!j)break;else k=k+4|0}f[g>>2]=i+(b<<2);return}i=f[a>>2]|0;k=h-i|0;h=k>>2;j=h+b|0;if(j>>>0>1073741823)mq(a);l=e-i|0;e=l>>1;m=l>>2>>>0<536870911?(e>>>0>>0?j:e):1073741823;do if(m)if(m>>>0>1073741823){e=ra(8)|0;Wo(e,14941);f[e>>2]=6944;va(e|0,1080,114)}else{e=dn(m<<2)|0;n=e;o=e;break}else{n=0;o=0}while(0);e=n+(h<<2)|0;h=n+(m<<2)|0;m=b;j=e;while(1){f[j>>2]=f[c>>2];m=m+-1|0;if(!m)break;else j=j+4|0}if((k|0)>0)Rg(o|0,i|0,k|0)|0;f[a>>2]=n;f[g>>2]=e+(b<<2);f[d>>2]=h;if(!i)return;br(i);return}function lh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;e=(f[a>>2]|0)+1794895138|0;g=rp(f[a+8>>2]|0,e)|0;h=rp(f[a+12>>2]|0,e)|0;i=rp(f[a+16>>2]|0,e)|0;a:do if((g>>>0>>2>>>0?(j=c-(g<<2)|0,h>>>0>>0&i>>>0>>0):0)?((i|h)&3|0)==0:0){j=h>>>2;k=i>>>2;l=0;m=g;while(1){n=m>>>1;o=l+n|0;p=o<<1;q=p+j|0;r=rp(f[a+(q<<2)>>2]|0,e)|0;s=rp(f[a+(q+1<<2)>>2]|0,e)|0;if(!(s>>>0>>0&r>>>0<(c-s|0)>>>0)){t=0;break a}if(b[a+(s+r)>>0]|0){t=0;break a}r=bl(d,a+s|0)|0;if(!r)break;s=(r|0)<0;if((m|0)==1){t=0;break a}else{l=s?l:o;m=s?n:m-n|0}}m=p+k|0;l=rp(f[a+(m<<2)>>2]|0,e)|0;j=rp(f[a+(m+1<<2)>>2]|0,e)|0;if(j>>>0>>0&l>>>0<(c-j|0)>>>0)t=(b[a+(j+l)>>0]|0)==0?a+j|0:0;else t=0}else t=0;while(0);return t|0}function mh(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;h=u;u=u+64|0;i=h;j=f[a>>2]|0;k=a+(f[j+-8>>2]|0)|0;l=f[j+-4>>2]|0;f[i>>2]=e;f[i+4>>2]=a;f[i+8>>2]=c;f[i+12>>2]=g;g=i+16|0;c=i+20|0;a=i+24|0;j=i+28|0;m=i+32|0;n=i+40|0;o=g;p=o+36|0;do{f[o>>2]=0;o=o+4|0}while((o|0)<(p|0));d[g+36>>1]=0;b[g+38>>0]=0;a:do if(qp(l,e,0)|0){f[i+48>>2]=1;_a[f[(f[l>>2]|0)+20>>2]&3](l,i,k,k,1,0);q=(f[a>>2]|0)==1?k:0}else{Za[f[(f[l>>2]|0)+24>>2]&3](l,i,k,1,0);switch(f[i+36>>2]|0){case 0:{q=(f[n>>2]|0)==1&(f[j>>2]|0)==1&(f[m>>2]|0)==1?f[c>>2]|0:0;break a;break}case 1:break;default:{q=0;break a}}if((f[a>>2]|0)!=1?!((f[n>>2]|0)==0&(f[j>>2]|0)==1&(f[m>>2]|0)==1):0){q=0;break}q=f[g>>2]|0}while(0);u=h;return q|0}function nh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;h=g;if(d-g>>2>>>0>=b>>>0){i=b;j=h;while(1){f[j>>2]=1;i=i+-1|0;if(!i)break;else j=j+4|0}f[e>>2]=h+(b<<2);return}h=f[a>>2]|0;j=g-h|0;g=j>>2;i=g+b|0;if(i>>>0>1073741823)mq(a);k=d-h|0;d=k>>1;l=k>>2>>>0<536870911?(d>>>0>>0?i:d):1073741823;do if(l)if(l>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}else{d=dn(l<<2)|0;m=d;n=d;break}else{m=0;n=0}while(0);d=m+(g<<2)|0;g=m+(l<<2)|0;l=b;i=d;while(1){f[i>>2]=1;l=l+-1|0;if(!l)break;else i=i+4|0}if((j|0)>0)Rg(n|0,h|0,j|0)|0;f[a>>2]=m;f[e>>2]=d+(b<<2);f[c>>2]=g;if(!h)return;br(h);return}function oh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;if(!c){g=0;u=d;return g|0}h=a+84|0;i=f[h>>2]|0;j=a+88|0;k=f[j>>2]|0;if((k|0)!=(i|0))f[j>>2]=k+(~((k+-4-i|0)>>>2)<<2);f[h>>2]=0;f[j>>2]=0;f[a+92>>2]=0;if(i|0)br(i);i=a+72|0;j=f[i>>2]|0;h=a+76|0;if((f[h>>2]|0)!=(j|0))f[h>>2]=j;f[i>>2]=0;f[h>>2]=0;f[a+80>>2]=0;if(j|0)br(j);j=c+4|0;h=(f[j>>2]|0)-(f[c>>2]|0)>>2;b[e>>0]=0;Xg(a,h,e);h=c+24|0;i=c+28|0;k=(f[i>>2]|0)-(f[h>>2]|0)>>2;b[e>>0]=0;Xg(a+12|0,k,e);Sf(a+28|0,(f[j>>2]|0)-(f[c>>2]|0)>>2,5868);$j(a+52|0,(f[i>>2]|0)-(f[h>>2]|0)>>2);$j(a+40|0,(f[i>>2]|0)-(f[h>>2]|0)>>2);f[a+64>>2]=c;b[a+24>>0]=1;g=1;u=d;return g|0}function ph(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;c=a+12|0;d=f[a>>2]|0;e=a+8|0;g=f[e>>2]|0;h=(g|0)==-1;if(!(b[c>>0]|0)){do if((!h?(i=(((g>>>0)%3|0|0)==0?2:-1)+g|0,(i|0)!=-1):0)?(j=f[(f[d+12>>2]|0)+(i<<2)>>2]|0,(j|0)!=-1):0)if(!((j>>>0)%3|0)){k=j+2|0;break}else{k=j+-1|0;break}else k=-1;while(0);f[e>>2]=k;return}k=g+1|0;if((!h?(h=((k>>>0)%3|0|0)==0?g+-2|0:k,(h|0)!=-1):0)?(k=f[(f[d+12>>2]|0)+(h<<2)>>2]|0,h=k+1|0,(k|0)!=-1):0){g=((h>>>0)%3|0|0)==0?k+-2|0:h;f[e>>2]=g;if((g|0)!=-1){if((g|0)!=(f[a+4>>2]|0))return;f[e>>2]=-1;return}}else f[e>>2]=-1;g=f[a+4>>2]|0;do if(((g|0)!=-1?(a=(((g>>>0)%3|0|0)==0?2:-1)+g|0,(a|0)!=-1):0)?(h=f[(f[d+12>>2]|0)+(a<<2)>>2]|0,(h|0)!=-1):0)if(!((h>>>0)%3|0)){l=h+2|0;break}else{l=h+-1|0;break}else l=-1;while(0);f[e>>2]=l;b[c>>0]=0;return}function qh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Id(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+20>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Id(a,e);return}function rh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;e=u;u=u+48|0;g=e;h=e+32|0;i=a+4|0;j=f[i>>2]|0;if(!j){k=0;u=e;return k|0}do if(c)if(Qa[f[(f[j>>2]|0)+16>>2]&127](j)|0){l=f[i>>2]|0;Va[f[(f[l>>2]|0)+20>>2]&127](l);break}else{k=0;u=e;return k|0}while(0);Cn(g);Si(h,f[a>>2]|0,g);a=(f[h>>2]|0)==0;i=h+4|0;if((b[i+11>>0]|0)<0)br(f[i>>2]|0);if(a){a=f[g>>2]|0;i=g+4|0;ag(d,a,a+((f[i>>2]|0)-a)|0);m=(f[i>>2]|0)-(f[g>>2]|0)|0}else m=0;i=g+12|0;a=f[i>>2]|0;f[i>>2]=0;if(a|0)br(a);a=f[g>>2]|0;if(a|0){i=g+4|0;if((f[i>>2]|0)!=(a|0))f[i>>2]=a;br(a)}k=m;u=e;return k|0}function sh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;d=f[a+4>>2]|0;if(!d){e=0;return e|0}a=b[c+11>>0]|0;g=a<<24>>24<0;h=g?f[c+4>>2]|0:a&255;a=g?f[c>>2]|0:c;c=d;while(1){d=c+16|0;g=b[d+11>>0]|0;i=g<<24>>24<0;j=i?f[c+20>>2]|0:g&255;g=j>>>0>>0;k=g?j:h;if((k|0)!=0?(l=Pk(a,i?f[d>>2]|0:d,k)|0,(l|0)!=0):0)if((l|0)<0)m=7;else m=8;else if(h>>>0>>0)m=7;else m=8;if((m|0)==7){m=0;n=c}else if((m|0)==8){m=0;l=h>>>0>>0?h:j;if((l|0)!=0?(j=Pk(i?f[d>>2]|0:d,a,l)|0,(j|0)!=0):0){if((j|0)>=0){e=1;m=14;break}}else m=10;if((m|0)==10?(m=0,!g):0){e=1;m=14;break}n=c+4|0}c=f[n>>2]|0;if(!c){e=0;m=14;break}}if((m|0)==14)return e|0;return 0}function th(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=u;u=u+16|0;d=c+12|0;e=c+8|0;g=c+4|0;h=c;i=a+4|0;j=(i|0)==(b|0);if(!j){f[g>>2]=f[b>>2];f[h>>2]=b+4;f[e>>2]=f[g>>2];f[d>>2]=f[h>>2];Hc(i,e,d)}if(!j){f[g>>2]=f[b+12>>2];f[h>>2]=b+16;f[e>>2]=f[g>>2];f[d>>2]=f[h>>2];Ac(a+16|0,e,d)}if(j){u=c;return}f[g>>2]=f[b+24>>2];f[h>>2]=b+28;f[e>>2]=f[g>>2];f[d>>2]=f[h>>2];Hc(a+28|0,e,d);u=c;return}function uh(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0;e=u;u=u+16|0;g=e+4|0;h=e;di(g,a,b,c,d);d=f[g>>2]|0;if(!d){i=-1;f[g>>2]=0;u=e;return i|0}f[g>>2]=0;f[h>>2]=d;d=ah(a,h)|0;a=f[h>>2]|0;f[h>>2]=0;if(!a){i=d;f[g>>2]=0;u=e;return i|0}h=a+88|0;c=f[h>>2]|0;f[h>>2]=0;if(c|0){h=f[c+8>>2]|0;if(h|0){b=c+12|0;if((f[b>>2]|0)!=(h|0))f[b>>2]=h;br(h)}br(c)}c=f[a+68>>2]|0;if(c|0){h=a+72|0;b=f[h>>2]|0;if((b|0)!=(c|0))f[h>>2]=b+(~((b+-4-c|0)>>>2)<<2);br(c)}c=a+64|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0){c=f[b>>2]|0;if(c|0){h=b+4|0;if((f[h>>2]|0)!=(c|0))f[h>>2]=c;br(c)}br(b)}br(a);i=d;f[g>>2]=0;u=e;return i|0}function vh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;e=u;u=u+16|0;g=e+4|0;h=e;i=f[a+8>>2]|0;j=i+24|0;k=b[j>>0]|0;l=c+4|0;Nf(a,(f[l>>2]|0)-(f[c>>2]|0)>>2,k,d);d=f[a+32>>2]|0;a=(f[f[d>>2]>>2]|0)+(f[d+48>>2]|0)|0;d=f[c>>2]|0;c=f[l>>2]|0;if((d|0)==(c|0)){m=1;u=e;return m|0}l=i+84|0;n=i+68|0;o=0;p=d;while(1){d=f[p>>2]|0;if(!(b[l>>0]|0))q=f[(f[n>>2]|0)+(d<<2)>>2]|0;else q=d;f[h>>2]=q;d=b[j>>0]|0;f[g>>2]=f[h>>2];if(!(Pb(i,g,d,a+(o<<2)|0)|0)){m=0;r=7;break}p=p+4|0;if((p|0)==(c|0)){m=1;r=7;break}else o=o+k|0}if((r|0)==7){u=e;return m|0}return 0}function wh(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;f[a>>2]=1392;b=a+72|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);c=f[a+60>>2]|0;if(c|0){b=a+64|0;d=f[b>>2]|0;if((d|0)!=(c|0))f[b>>2]=d+(~((d+-4-c|0)>>>2)<<2);br(c)}c=f[a+48>>2]|0;if(c|0)br(c);c=a+36|0;d=f[c>>2]|0;if(d|0){b=a+40|0;e=f[b>>2]|0;if((e|0)==(d|0))g=d;else{h=e;do{e=h+-4|0;f[b>>2]=e;i=f[e>>2]|0;f[e>>2]=0;if(i|0)Va[f[(f[i>>2]|0)+4>>2]&127](i);h=f[b>>2]|0}while((h|0)!=(d|0));g=f[c>>2]|0}br(g)}f[a>>2]=1216;g=f[a+16>>2]|0;if(g|0){c=a+20|0;d=f[c>>2]|0;if((d|0)!=(g|0))f[c>>2]=d+(~((d+-4-g|0)>>>2)<<2);br(g)}g=f[a+4>>2]|0;if(!g)return;d=a+8|0;a=f[d>>2]|0;if((a|0)!=(g|0))f[d>>2]=a+(~((a+-4-g|0)>>>2)<<2);br(g);return}function xh(a){a=a|0;tj(a+992|0);tj(a+960|0);tj(a+928|0);tj(a+896|0);tj(a+864|0);tj(a+832|0);tj(a+800|0);tj(a+768|0);tj(a+736|0);tj(a+704|0);tj(a+672|0);tj(a+640|0);tj(a+608|0);tj(a+576|0);tj(a+544|0);tj(a+512|0);tj(a+480|0);tj(a+448|0);tj(a+416|0);tj(a+384|0);tj(a+352|0);tj(a+320|0);tj(a+288|0);tj(a+256|0);tj(a+224|0);tj(a+192|0);tj(a+160|0);tj(a+128|0);tj(a+96|0);tj(a+64|0);tj(a+32|0);tj(a);return}function yh(a){a=a|0;rn(a);rn(a+32|0);rn(a+64|0);rn(a+96|0);rn(a+128|0);rn(a+160|0);rn(a+192|0);rn(a+224|0);rn(a+256|0);rn(a+288|0);rn(a+320|0);rn(a+352|0);rn(a+384|0);rn(a+416|0);rn(a+448|0);rn(a+480|0);rn(a+512|0);rn(a+544|0);rn(a+576|0);rn(a+608|0);rn(a+640|0);rn(a+672|0);rn(a+704|0);rn(a+736|0);rn(a+768|0);rn(a+800|0);rn(a+832|0);rn(a+864|0);rn(a+896|0);rn(a+928|0);rn(a+960|0);rn(a+992|0);return}function zh(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;a=u;u=u+16|0;e=a;if((c|0)<0|((b|0)==0|(d|0)==0)){g=0;u=a;return g|0}h=f[b+8>>2]|0;if(((f[b+12>>2]|0)-h>>2|0)<=(c|0)){g=0;u=a;return g|0}i=b+4|0;if(!(f[i>>2]|0)){j=dn(52)|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;n[j+16>>2]=$(1.0);k=j+20|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;n[j+36>>2]=$(1.0);f[j+40>>2]=0;f[j+44>>2]=0;f[j+48>>2]=0;f[b+4>>2]=j}j=f[(f[h+(c<<2)>>2]|0)+60>>2]|0;c=dn(44)|0;Ub(c,d);f[c+40>>2]=j;j=f[i>>2]|0;f[e>>2]=c;gk(j,e)|0;j=f[e>>2]|0;f[e>>2]=0;if(!j){g=1;u=a;return g|0}Qi(j);br(j);g=1;u=a;return g|0}function Ah(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;f[a>>2]=d;e=a+24|0;g=a+28|0;h=f[g>>2]|0;i=f[e>>2]|0;j=h-i>>2;k=i;i=h;if(j>>>0>=d>>>0){if(j>>>0>d>>>0?(h=k+(d<<2)|0,(h|0)!=(i|0)):0)f[g>>2]=i+(~((i+-4-h|0)>>>2)<<2)}else oi(e,d-j|0);if(!c)return;j=f[b>>2]|0;if((c|0)>1){d=j;e=j;h=1;while(1){i=f[b+(h<<2)>>2]|0;g=(i|0)<(e|0);k=g?i:e;l=g?d:(i|0)>(d|0)?i:d;h=h+1|0;if((h|0)==(c|0)){m=l;n=k;break}else{d=l;e=k}}}else{m=j;n=j}f[a+4>>2]=n;f[a+8>>2]=m;j=Vn(m|0,((m|0)<0)<<31>>31|0,n|0,((n|0)<0)<<31>>31|0)|0;n=I;if(!(n>>>0<0|(n|0)==0&j>>>0<2147483647))return;n=j+1|0;f[a+12>>2]=n;j=(n|0)/2|0;m=a+16|0;f[m>>2]=j;f[a+20>>2]=0-j;if(n&1|0)return;f[m>>2]=j+-1;return}function Bh(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0;c=u;u=u+64|0;j=c;k=i?6:5;Al(j);i=f[h+56>>2]|0;h=X(Ll(k)|0,e)|0;yj(j,i,0,e&255,k,0,h,((h|0)<0)<<31>>31,0,0);h=dn(96)|0;nl(h,j);f[a>>2]=h;pj(h,d)|0;d=h+84|0;if(!g){b[d>>0]=1;a=f[h+68>>2]|0;j=h+72|0;k=f[j>>2]|0;if((k|0)==(a|0)){u=c;return}f[j>>2]=k+(~((k+-4-a|0)>>>2)<<2);u=c;return}b[d>>0]=0;d=h+68|0;a=h+72|0;h=f[a>>2]|0;k=f[d>>2]|0;j=h-k>>2;e=h;if(j>>>0>>0){kh(d,g-j|0,1200);u=c;return}if(j>>>0<=g>>>0){u=c;return}j=k+(g<<2)|0;if((j|0)==(e|0)){u=c;return}f[a>>2]=e+(~((e+-4-j|0)>>>2)<<2);u=c;return}function Ch(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){jd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;jd(a,e);return}function Dh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){nd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;nd(a,e);return}function Eh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){ud(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;ud(a,e);return}function Fh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Ed(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Ed(a,e);return}function Gh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){ld(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;ld(a,e);return}function Hh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){qd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;qd(a,e);return}function Ih(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){yd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;yd(a,e);return}function Jh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){kd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;kd(a,e);return}function Kh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){od(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;od(a,e);return}function Lh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){vd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;vd(a,e);return}function Mh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Fd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Fd(a,e);return}function Nh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;b[h>>0]=a&127;do if(a>>>0>127){b[h>>0]=a|128;i=c+16|0;j=f[i+4>>2]|0;if((j|0)>0|(j|0)==0&(f[i>>2]|0)>>>0>0){k=0;break}else{f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+1|0)|0;k=Nh(a>>>7,c)|0;break}}else{i=c+16|0;j=f[i+4>>2]|0;if((j|0)>0|(j|0)==0&(f[i>>2]|0)>>>0>0){k=0;break}f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+1|0)|0;l=1;u=d;return l|0}while(0);l=k;u=d;return l|0}function Oh(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=u;u=u+16|0;e=d;Be(e,a+40|0,f[a+8>>2]|0,b,c);Wi(a,e);a=f[e>>2]|0;f[e>>2]=0;if(!a){u=d;return 1}e=a+88|0;c=f[e>>2]|0;f[e>>2]=0;if(c|0){e=f[c+8>>2]|0;if(e|0){b=c+12|0;if((f[b>>2]|0)!=(e|0))f[b>>2]=e;br(e)}br(c)}c=f[a+68>>2]|0;if(c|0){e=a+72|0;b=f[e>>2]|0;if((b|0)!=(c|0))f[e>>2]=b+(~((b+-4-c|0)>>>2)<<2);br(c)}c=a+64|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0){c=f[b>>2]|0;if(c|0){e=b+4|0;if((f[e>>2]|0)!=(c|0))f[e>>2]=c;br(c)}br(b)}br(a);u=d;return 1}function Ph(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){rd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;rd(a,e);return}function Qh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0;e=u;u=u+48|0;g=e;h=e+32|0;if(!c){i=0;u=e;return i|0}Cn(g);if((Tl(c,0)|0)!=-1?Qa[f[(f[c>>2]|0)+16>>2]&127](c)|0:0){Va[f[(f[c>>2]|0)+20>>2]&127](c);Zf(h,a,c,g);c=(f[h>>2]|0)==0;a=h+4|0;if((b[a+11>>0]|0)<0)br(f[a>>2]|0);if(c){c=f[g>>2]|0;a=g+4|0;ag(d,c,c+((f[a>>2]|0)-c)|0);j=(f[a>>2]|0)-(f[g>>2]|0)|0}else j=0}else j=0;a=g+12|0;c=f[a>>2]|0;f[a>>2]=0;if(c|0)br(c);c=f[g>>2]|0;if(c|0){a=g+4|0;if((f[a>>2]|0)!=(c|0))f[a>>2]=c;br(c)}i=j;u=e;return i|0}function Rh(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=u;u=u+16|0;e=d;se(e,a+40|0,f[a+8>>2]|0,b,c);Wi(a,e);a=f[e>>2]|0;f[e>>2]=0;if(!a){u=d;return 1}e=a+88|0;c=f[e>>2]|0;f[e>>2]=0;if(c|0){e=f[c+8>>2]|0;if(e|0){b=c+12|0;if((f[b>>2]|0)!=(e|0))f[b>>2]=e;br(e)}br(c)}c=f[a+68>>2]|0;if(c|0){e=a+72|0;b=f[e>>2]|0;if((b|0)!=(c|0))f[e>>2]=b+(~((b+-4-c|0)>>>2)<<2);br(c)}c=a+64|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0){c=f[b>>2]|0;if(c|0){e=b+4|0;if((f[e>>2]|0)!=(c|0))f[e>>2]=c;br(c)}br(b)}br(a);u=d;return 1}function Sh(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0;b=f[a>>2]|0;if(!b)return;c=a+4|0;d=f[c>>2]|0;if((d|0)==(b|0))e=b;else{g=d;do{d=g+-4|0;f[c>>2]=d;h=f[d>>2]|0;f[d>>2]=0;if(h|0){d=h+88|0;i=f[d>>2]|0;f[d>>2]=0;if(i|0){d=f[i+8>>2]|0;if(d|0){j=i+12|0;if((f[j>>2]|0)!=(d|0))f[j>>2]=d;br(d)}br(i)}i=f[h+68>>2]|0;if(i|0){d=h+72|0;j=f[d>>2]|0;if((j|0)!=(i|0))f[d>>2]=j+(~((j+-4-i|0)>>>2)<<2);br(i)}i=h+64|0;j=f[i>>2]|0;f[i>>2]=0;if(j|0){i=f[j>>2]|0;if(i|0){d=j+4|0;if((f[d>>2]|0)!=(i|0))f[d>>2]=i;br(i)}br(j)}br(h)}g=f[c>>2]|0}while((g|0)!=(b|0));e=f[a>>2]|0}br(e);return}function Th(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;e=(d|0)<0;do if(!b){if(e){g=0;return g|0}h=a+4|0;i=f[h>>2]|0;j=f[a>>2]|0;k=i-j|0;if(k>>>0>>0){ri(a,c-k|0);break}if(k>>>0>c>>>0?(k=j+c|0,(k|0)!=(i|0)):0)f[h>>2]=k}else{if(e){g=0;return g|0}k=a+4|0;h=f[k>>2]|0;i=f[a>>2]|0;j=h-i|0;do if(0<(d|0)|0==(d|0)&j>>>0>>0){if(j>>>0>>0){ri(a,c-j|0);break}if(j>>>0>c>>>0?(l=i+c|0,(l|0)!=(h|0)):0){f[k>>2]=l;m=15}else m=15}else m=15;while(0);if((m|0)==15?(c|0)==0:0)break;Xl(f[a>>2]|0,b|0,c|0)|0}while(0);c=a+24|0;a=c;b=Tn(f[a>>2]|0,f[a+4>>2]|0,1,0)|0;a=c;f[a>>2]=b;f[a+4>>2]=I;g=1;return g|0}function Uh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;if(!(ve(a,c)|0)){i=0;u=d;return i|0}j=a+36|0;k=a+40|0;a=f[j>>2]|0;if((f[k>>2]|0)==(a|0)){i=1;u=d;return i|0}l=c+16|0;m=c+4|0;n=h+1|0;o=0;p=a;do{a=f[p+(o<<2)>>2]|0;q=Qa[f[(f[a>>2]|0)+32>>2]&127](a)|0;b[h>>0]=q;q=l;a=f[q+4>>2]|0;if(!((a|0)>0|(a|0)==0&(f[q>>2]|0)>>>0>0)){f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];ye(c,e,h,n)|0}o=o+1|0;p=f[j>>2]|0}while(o>>>0<(f[k>>2]|0)-p>>2>>>0);i=1;u=d;return i|0}function Vh(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=u;u=u+16|0;d=c;wp(a);f[a+16>>2]=0;f[a+20>>2]=0;f[a+12>>2]=a+16;e=a+24|0;wp(e);f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;a=dn(32)|0;f[d>>2]=a;f[d+8>>2]=-2147483616;f[d+4>>2]=20;g=a;h=13101;i=g+20|0;do{b[g>>0]=b[h>>0]|0;g=g+1|0;h=h+1|0}while((g|0)<(i|0));b[a+20>>0]=0;Mj(e,d,1);if((b[d+11>>0]|0)<0)br(f[d>>2]|0);f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;a=dn(32)|0;f[d>>2]=a;f[d+8>>2]=-2147483616;f[d+4>>2]=22;g=a;h=13122;i=g+22|0;do{b[g>>0]=b[h>>0]|0;g=g+1|0;h=h+1|0}while((g|0)<(i|0));b[a+22>>0]=0;Mj(e,d,1);if((b[d+11>>0]|0)>=0){u=c;return}br(f[d>>2]|0);u=c;return}function Wh(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;b=f[a+4>>2]|0;c=a+8|0;d=f[c>>2]|0;if((d|0)!=(b|0)){e=d;do{d=e+-4|0;f[c>>2]=d;g=f[d>>2]|0;f[d>>2]=0;if(g|0){d=g+88|0;h=f[d>>2]|0;f[d>>2]=0;if(h|0){d=f[h+8>>2]|0;if(d|0){i=h+12|0;if((f[i>>2]|0)!=(d|0))f[i>>2]=d;br(d)}br(h)}h=f[g+68>>2]|0;if(h|0){d=g+72|0;i=f[d>>2]|0;if((i|0)!=(h|0))f[d>>2]=i+(~((i+-4-h|0)>>>2)<<2);br(h)}h=g+64|0;i=f[h>>2]|0;f[h>>2]=0;if(i|0){h=f[i>>2]|0;if(h|0){d=i+4|0;if((f[d>>2]|0)!=(h|0))f[d>>2]=h;br(h)}br(i)}br(g)}e=f[c>>2]|0}while((e|0)!=(b|0))}b=f[a>>2]|0;if(!b)return;br(b);return}function Xh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[a+12>>2];h=b+16|0;i=h;j=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&j>>>0>0){l=k;m=j}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;j=h;l=f[j+4>>2]|0;m=f[j>>2]|0}f[g>>2]=f[a+20>>2];if((l|0)>0|(l|0)==0&m>>>0>0){u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;u=c;return 1}function Yh(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=u;u=u+16|0;d=c;e=dn(16)|0;f[d>>2]=e;f[d+8>>2]=-2147483632;f[d+4>>2]=14;g=e;h=12975;i=g+14|0;do{b[g>>0]=b[h>>0]|0;g=g+1|0;h=h+1|0}while((g|0)<(i|0));b[e+14>>0]=0;e=yk(a,d,-1)|0;if((b[d+11>>0]|0)<0)br(f[d>>2]|0);j=dn(16)|0;f[d>>2]=j;f[d+8>>2]=-2147483632;f[d+4>>2]=14;g=j;h=12990;i=g+14|0;do{b[g>>0]=b[h>>0]|0;g=g+1|0;h=h+1|0}while((g|0)<(i|0));b[j+14>>0]=0;j=yk(a,d,-1)|0;if((b[d+11>>0]|0)>=0){k=(e|0)<(j|0);l=k?j:e;m=(l|0)==-1;n=m?5:l;u=c;return n|0}br(f[d>>2]|0);k=(e|0)<(j|0);l=k?j:e;m=(l|0)==-1;n=m?5:l;u=c;return n|0}function Zh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[a+12>>2];h=b+16|0;i=h;j=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&j>>>0>0){l=k;m=j}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;j=h;l=f[j+4>>2]|0;m=f[j>>2]|0}f[g>>2]=f[a+16>>2];if((l|0)>0|(l|0)==0&m>>>0>0){u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];ye(b,d,g,g+4|0)|0;u=c;return 1}function 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g=j}return}function ai(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;e=d+16|0;g=f[e>>2]|0;if(!g)if(!(pl(d)|0)){h=f[e>>2]|0;i=5}else j=0;else{h=g;i=5}a:do if((i|0)==5){g=d+20|0;e=f[g>>2]|0;k=e;if((h-e|0)>>>0>>0){j=Sa[f[d+36>>2]&31](d,a,c)|0;break}b:do if((b[d+75>>0]|0)>-1){e=c;while(1){if(!e){l=0;m=a;n=c;o=k;break b}p=e+-1|0;if((b[a+p>>0]|0)==10)break;else e=p}p=Sa[f[d+36>>2]&31](d,a,e)|0;if(p>>>0>>0){j=p;break a}l=e;m=a+e|0;n=c-e|0;o=f[g>>2]|0}else{l=0;m=a;n=c;o=k}while(0);Rg(o|0,m|0,n|0)|0;f[g>>2]=(f[g>>2]|0)+n;j=l+n|0}while(0);return j|0}function bi(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+12|0;d=f[c>>2]|0;f[c>>2]=0;if(d|0){c=f[d+28>>2]|0;if(c|0){e=c;do{c=e;e=f[e>>2]|0;bi(c+8|0);br(c)}while((e|0)!=0)}e=d+20|0;c=f[e>>2]|0;f[e>>2]=0;if(c|0)br(c);c=f[d+8>>2]|0;if(c|0){e=c;do{c=e;e=f[e>>2]|0;g=c+8|0;h=f[c+20>>2]|0;if(h|0){i=c+24|0;if((f[i>>2]|0)!=(h|0))f[i>>2]=h;br(h)}if((b[g+11>>0]|0)<0)br(f[g>>2]|0);br(c)}while((e|0)!=0)}e=f[d>>2]|0;f[d>>2]=0;if(e|0)br(e);br(d)}if((b[a+11>>0]|0)>=0)return;br(f[a>>2]|0);return}function ci(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0;g=u;u=u+32|0;h=g+12|0;i=g;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;if((e|0)>0){j=i+11|0;k=i+4|0;l=0;do{if((l|0)>0)vn(h,12890)|0;cl(i,$(n[d+(l<<2)>>2]));m=b[j>>0]|0;o=m<<24>>24<0;$i(h,o?f[i>>2]|0:i,o?f[k>>2]|0:m&255)|0;if((b[j>>0]|0)<0)br(f[i>>2]|0);l=l+1|0}while((l|0)<(e|0))}Ql(mi(a,c)|0,h)|0;if((b[h+11>>0]|0)>=0){u=g;return}br(f[h>>2]|0);u=g;return}function di(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;if((f[d+56>>2]|0)==-1){h=0;f[a>>2]=h;return}i=dn(96)|0;nl(i,d);d=i;do if(!e){j=f[c+80>>2]|0;b[i+84>>0]=0;k=i+68|0;l=i+72|0;m=f[l>>2]|0;n=f[k>>2]|0;o=m-n>>2;p=m;if(j>>>0>o>>>0){kh(k,j-o|0,5908);break}if(j>>>0>>0?(o=n+(j<<2)|0,(o|0)!=(p|0)):0)f[l>>2]=p+(~((p+-4-o|0)>>>2)<<2)}else{b[i+84>>0]=1;o=f[i+68>>2]|0;p=i+72|0;l=f[p>>2]|0;if((l|0)!=(o|0))f[p>>2]=l+(~((l+-4-o|0)>>>2)<<2);f[i+80>>2]=f[c+80>>2]}while(0);if(!g){h=d;f[a>>2]=h;return}pj(i,g)|0;h=d;f[a>>2]=h;return}function ei(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d|0;g=e>>3;h=g+1|0;if(h>>>0>536870911)mq(a);i=a+8|0;j=(f[i>>2]|0)-d|0;k=j>>2;l=j>>3>>>0<268435455?(k>>>0>>0?h:k):536870911;do if(l)if(l>>>0>536870911){k=ra(8)|0;Wo(k,14941);f[k>>2]=6944;va(k|0,1080,114)}else{k=dn(l<<3)|0;m=k;n=k;break}else{m=0;n=0}while(0);k=m+(g<<3)|0;g=b;b=f[g+4>>2]|0;h=k;f[h>>2]=f[g>>2];f[h+4>>2]=b;if((e|0)>0)Rg(n|0,d|0,e|0)|0;f[a>>2]=m;f[c>>2]=k+8;f[i>>2]=m+(l<<3);if(!d)return;br(d);return}function fi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+16|0;d=c;if((Qa[f[(f[b>>2]|0)+20>>2]&127](b)|0)<=0){e=1;u=c;return e|0}g=a+4|0;h=a+20|0;i=a+24|0;j=a+16|0;a=0;while(1){k=f[(f[g>>2]|0)+4>>2]|0;l=Tl(k,Ra[f[(f[b>>2]|0)+24>>2]&127](b,a)|0)|0;f[d>>2]=l;if((l|0)==-1)break;k=f[h>>2]|0;if((k|0)==(f[i>>2]|0))Ci(j,d);else{f[k>>2]=l;f[h>>2]=k+4}al(f[g>>2]|0,f[d>>2]|0)|0;a=a+1|0;if((a|0)>=(Qa[f[(f[b>>2]|0)+20>>2]&127](b)|0)){e=1;m=9;break}}if((m|0)==9){u=c;return e|0}e=0;u=c;return e|0}function gi(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;f[a>>2]=1276;Sh(a+60|0);b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=a+36|0;d=f[b>>2]|0;if(d|0){c=a+40|0;e=f[c>>2]|0;if((e|0)==(d|0))g=d;else{h=e;do{e=h+-24|0;f[c>>2]=e;Va[f[f[e>>2]>>2]&127](e);h=f[c>>2]|0}while((h|0)!=(d|0));g=f[b>>2]|0}br(g)}f[a>>2]=1216;g=f[a+16>>2]|0;if(g|0){b=a+20|0;d=f[b>>2]|0;if((d|0)!=(g|0))f[b>>2]=d+(~((d+-4-g|0)>>>2)<<2);br(g)}g=f[a+4>>2]|0;if(!g)return;d=a+8|0;a=f[d>>2]|0;if((a|0)!=(g|0))f[d>>2]=a+(~((a+-4-g|0)>>>2)<<2);br(g);return}function hi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;c=u;u=u+32|0;d=c+16|0;e=c+8|0;g=c;h=a+8|0;if(f[h>>2]<<5>>>0>=b>>>0){u=c;return}f[d>>2]=0;i=d+4|0;f[i>>2]=0;j=d+8|0;f[j>>2]=0;if((b|0)<0)mq(d);k=((b+-1|0)>>>5)+1|0;b=dn(k<<2)|0;f[d>>2]=b;f[i>>2]=0;f[j>>2]=k;k=f[a>>2]|0;f[e>>2]=k;f[e+4>>2]=0;b=a+4|0;l=f[b>>2]|0;f[g>>2]=k+(l>>>5<<2);f[g+4>>2]=l&31;ig(d,e,g);g=f[a>>2]|0;f[a>>2]=f[d>>2];f[d>>2]=g;d=f[b>>2]|0;f[b>>2]=f[i>>2];f[i>>2]=d;d=f[h>>2]|0;f[h>>2]=f[j>>2];f[j>>2]=d;if(g|0)br(g);u=c;return}function ii(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;b=a+136|0;c=f[b>>2]|0;if(c|0){d=a+140|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e;while(1){e=h+-12|0;f[d>>2]=e;i=f[e>>2]|0;if(!i)j=e;else{e=h+-8|0;k=f[e>>2]|0;if((k|0)!=(i|0))f[e>>2]=k+(~((k+-4-i|0)>>>2)<<2);br(i);j=f[d>>2]|0}if((j|0)==(c|0))break;else h=j}g=f[b>>2]|0}br(g)}g=f[a+104>>2]|0;if(g|0){b=a+108|0;j=f[b>>2]|0;if((j|0)!=(g|0))f[b>>2]=j+(~((j+-4-g|0)>>>2)<<2);br(g)}g=f[a+92>>2]|0;if(!g){jj(a);return}j=a+96|0;b=f[j>>2]|0;if((b|0)!=(g|0))f[j>>2]=b+(~((b+-4-g|0)>>>2)<<2);br(g);jj(a);return}function ji(a){a=a|0;var c=0,d=0,e=0,g=0;f[a>>2]=3340;c=a+72|0;d=a+136|0;e=a+4|0;g=e+64|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));e=c;g=e+64|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));n[d>>2]=$(1.0);d=a+140|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;f[a+164>>2]=-1;d=a+168|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;f[d+24>>2]=0;rn(a+200|0);Cn(a+232|0);d=a+316|0;e=a+264|0;g=e+52|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));f[d>>2]=-1;f[a+320>>2]=-1;f[a+324>>2]=0;f[a+328>>2]=2;f[a+332>>2]=7;f[a+336>>2]=0;f[a+340>>2]=0;f[a+344>>2]=0;b[a+352>>0]=0;return}function ki(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d|0;g=(e|0)/12|0;h=g+1|0;if(h>>>0>357913941)mq(a);i=a+8|0;j=((f[i>>2]|0)-d|0)/12|0;k=j<<1;l=j>>>0<178956970?(k>>>0>>0?h:k):357913941;do if(l)if(l>>>0>357913941){k=ra(8)|0;Wo(k,14941);f[k>>2]=6944;va(k|0,1080,114)}else{m=dn(l*12|0)|0;break}else m=0;while(0);k=m+(g*12|0)|0;f[k>>2]=f[b>>2];f[k+4>>2]=f[b+4>>2];f[k+8>>2]=f[b+8>>2];b=k+(((e|0)/-12|0)*12|0)|0;if((e|0)>0)Rg(b|0,d|0,e|0)|0;f[a>>2]=b;f[c>>2]=k+12;f[i>>2]=m+(l*12|0);if(!d)return;br(d);return}function li(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;g=a+16|0;h=g;i=f[h+4>>2]|0;if((d|0)<0|(d|0)==0&c>>>0<1|((i|0)>0|(i|0)==0&(f[h>>2]|0)>>>0>0)){j=0;return j|0}b[a+24>>0]=e&1;h=Tn(c|0,d|0,7,0)|0;d=zk(h|0,I|0,8,0)|0;h=I;c=g;f[c>>2]=d;f[c+4>>2]=h;c=a+4|0;g=f[c>>2]|0;i=f[a>>2]|0;k=g-i|0;l=Tn(k|0,0,8,0)|0;m=e?l:k;l=Tn(m|0,(e?I:0)|0,d|0,h|0)|0;h=i;i=g;if(k>>>0>=l>>>0)if(k>>>0>l>>>0?(g=h+l|0,(g|0)!=(i|0)):0){f[c>>2]=g;n=h}else n=h;else{ri(a,l-k|0);n=f[a>>2]|0}k=dn(8)|0;f[k>>2]=n+m;f[k+4>>2]=0;m=a+12|0;a=f[m>>2]|0;f[m>>2]=k;if(!a){j=1;return j|0}br(a);j=1;return j|0}function mi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=u;u=u+16|0;d=c;e=hg(a,d,b)|0;g=f[e>>2]|0;if(g|0){h=g;i=h+28|0;u=c;return i|0}g=dn(40)|0;dj(g+16|0,b);b=g+28|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;b=f[d>>2]|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=b;f[e>>2]=g;b=f[f[a>>2]>>2]|0;if(!b)j=g;else{f[a>>2]=b;j=f[e>>2]|0}Ae(f[a+4>>2]|0,j);j=a+8|0;f[j>>2]=(f[j>>2]|0)+1;h=g;i=h+28|0;u=c;return i|0}function ni(a,c,d,e,g,h,i,j){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;j=j|0;var k=0,l=0,m=0,n=0,o=0,p=0;k=u;u=u+16|0;l=k;if((-18-c|0)>>>0>>0)mq(a);if((b[a+11>>0]|0)<0)m=f[a>>2]|0;else m=a;if(c>>>0<2147483623){n=d+c|0;d=c<<1;o=n>>>0>>0?d:n;p=o>>>0<11?11:o+16&-16}else p=-17;o=dn(p)|0;if(g|0)Lo(o,m,g)|0;if(i|0)Lo(o+g|0,j,i)|0;j=e-h|0;e=j-g|0;if(e|0)Lo(o+g+i|0,m+g+h|0,e)|0;if((c|0)!=10)br(m);f[a>>2]=o;f[a+8>>2]=p|-2147483648;p=j+i|0;f[a+4>>2]=p;b[l>>0]=0;Hp(o+p|0,l);u=k;return}function oi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;if(d-g>>2>>>0>=b>>>0){hj(g|0,0,b<<2|0)|0;f[e>>2]=g+(b<<2);return}h=f[a>>2]|0;i=g-h|0;g=i>>2;j=g+b|0;if(j>>>0>1073741823)mq(a);k=d-h|0;d=k>>1;l=k>>2>>>0<536870911?(d>>>0>>0?j:d):1073741823;do if(l)if(l>>>0>1073741823){d=ra(8)|0;Wo(d,14941);f[d>>2]=6944;va(d|0,1080,114)}else{d=dn(l<<2)|0;m=d;n=d;break}else{m=0;n=0}while(0);d=m+(g<<2)|0;hj(d|0,0,b<<2|0)|0;if((i|0)>0)Rg(n|0,h|0,i|0)|0;f[a>>2]=m;f[e>>2]=d+(b<<2);f[c>>2]=m+(l<<2);if(!h)return;br(h);return}function pi(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;g=dn(32)|0;f[a>>2]=g;f[a+4>>2]=c+8;c=a+8|0;b[c>>0]=0;dj(g+8|0,e);h=g+20|0;i=e+12|0;f[h>>2]=0;f[g+24>>2]=0;f[g+28>>2]=0;g=e+16|0;e=f[g>>2]|0;j=f[i>>2]|0;k=e-j|0;if(!k){l=j;m=e;n=0}else{ri(h,k);l=f[i>>2]|0;m=f[g>>2]|0;n=f[h>>2]|0}Rg(n|0,l|0,m-l|0)|0;b[c>>0]=1;c=f[a>>2]|0;f[c+4>>2]=d;f[c>>2]=0;return}function qi(a,c,d){a=a|0;c=c|0;d=$(d);var e=0,g=0,h=0,i=0,j=0,k=0.0,l=0,m=0,n=0,o=0;e=u;u=u+16|0;g=e;h=c+11|0;i=b[h>>0]|0;if(i<<24>>24<0)j=f[c+4>>2]|0;else j=i&255;k=+d;l=j;j=i;while(1){if(j<<24>>24<0)m=f[c>>2]|0;else m=c;p[g>>3]=k;n=wn(m,l+1|0,17468,g)|0;if((n|0)>-1)if(n>>>0>l>>>0)o=n;else break;else o=l<<1|1;wj(c,o,0);l=o;j=b[h>>0]|0}wj(c,n,0);f[a>>2]=f[c>>2];f[a+4>>2]=f[c+4>>2];f[a+8>>2]=f[c+8>>2];a=0;while(1){if((a|0)==3)break;f[c+(a<<2)>>2]=0;a=a+1|0}u=e;return}function ri(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;d=a+8|0;e=f[d>>2]|0;g=a+4|0;h=f[g>>2]|0;if((e-h|0)>>>0>=c>>>0){i=c;j=h;do{b[j>>0]=0;j=(f[g>>2]|0)+1|0;f[g>>2]=j;i=i+-1|0}while((i|0)!=0);return}i=f[a>>2]|0;j=h-i|0;h=j+c|0;if((h|0)<0)mq(a);k=e-i|0;i=k<<1;e=k>>>0<1073741823?(i>>>0>>0?h:i):2147483647;if(!e)l=0;else l=dn(e)|0;i=l+j|0;j=l+e|0;e=c;c=i;l=i;do{b[l>>0]=0;l=c+1|0;c=l;e=e+-1|0}while((e|0)!=0);e=f[a>>2]|0;l=(f[g>>2]|0)-e|0;h=i+(0-l)|0;if((l|0)>0)Rg(h|0,e|0,l|0)|0;f[a>>2]=h;f[g>>2]=c;f[d>>2]=j;if(!e)return;br(e);return}function si(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=(d-e|0)/136|0;h=d;if(g>>>0>>0){te(a,b-g|0);return}if(g>>>0<=b>>>0)return;g=e+(b*136|0)|0;if((g|0)==(h|0))return;else i=h;do{f[c>>2]=i+-136;h=f[i+-20>>2]|0;if(h|0){b=i+-16|0;e=f[b>>2]|0;if((e|0)!=(h|0))f[b>>2]=e+(~((e+-4-h|0)>>>2)<<2);br(h)}h=f[i+-32>>2]|0;if(h|0){e=i+-28|0;b=f[e>>2]|0;if((b|0)!=(h|0))f[e>>2]=b+(~((b+-4-h|0)>>>2)<<2);br(h)}yi(i+-132|0);i=f[c>>2]|0}while((i|0)!=(g|0));return}function ti(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Hd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Hd(a,e);return}function ui(a){a=a|0;var b=0,c=0,d=0;b=f[a+76>>2]|0;if(b|0){c=a+80|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+64>>2]|0;if(b|0){d=a+68|0;if((f[d>>2]|0)!=(b|0))f[d>>2]=b;br(b)}b=f[a+48>>2]|0;if(b|0){d=a+52|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+24>>2]|0;if(b|0){c=a+28|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+12>>2]|0;if(b|0){d=a+16|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a>>2]|0;if(!b)return;c=a+4|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function vi(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;e=u;u=u+16|0;g=e;h=c+11|0;i=b[h>>0]|0;if(i<<24>>24<0)j=f[c+4>>2]|0;else j=i&255;k=j;j=i;while(1){if(j<<24>>24<0)l=f[c>>2]|0;else l=c;f[g>>2]=d;m=wn(l,k+1|0,17465,g)|0;if((m|0)>-1)if(m>>>0>k>>>0)n=m;else break;else n=k<<1|1;wj(c,n,0);k=n;j=b[h>>0]|0}wj(c,m,0);f[a>>2]=f[c>>2];f[a+4>>2]=f[c+4>>2];f[a+8>>2]=f[c+8>>2];a=0;while(1){if((a|0)==3)break;f[c+(a<<2)>>2]=0;a=a+1|0}u=e;return}function wi(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;b=a+8|0;c=f[b>>2]|0;if((c|0)<0){d=0;return d|0}e=a+4|0;a=f[e>>2]|0;g=a+4|0;h=f[g>>2]|0;i=f[a>>2]|0;j=h-i>>2;k=i;i=h;if(c>>>0<=j>>>0)if(c>>>0>>0?(h=k+(c<<2)|0,(h|0)!=(i|0)):0){f[g>>2]=i+(~((i+-4-h|0)>>>2)<<2);l=c}else l=c;else{oi(a,c-j|0);l=f[b>>2]|0}if((l|0)<=0){d=1;return d|0}b=f[e>>2]|0;e=f[b>>2]|0;j=(f[b+4>>2]|0)-e>>2;c=e;e=0;while(1){if(j>>>0<=e>>>0){m=10;break}f[c+(e<<2)>>2]=e;e=e+1|0;if((e|0)>=(l|0)){d=1;m=12;break}}if((m|0)==10)mq(b);else if((m|0)==12)return d|0;return 0}function xi(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=u;u=u+16|0;e=d;g=dn(32)|0;f[e>>2]=g;f[e+8>>2]=-2147483616;f[e+4>>2]=30;h=g;i=14791;j=h+30|0;do{b[h>>0]=b[i>>0]|0;h=h+1|0;i=i+1|0}while((h|0)<(j|0));b[g+30>>0]=0;g=a+4|0;Mj(g,e,c);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);a=dn(32)|0;f[e>>2]=a;f[e+8>>2]=-2147483616;f[e+4>>2]=29;h=a;i=14510;j=h+29|0;do{b[h>>0]=b[i>>0]|0;h=h+1|0;i=i+1|0}while((h|0)<(j|0));b[a+29>>0]=0;Mj(g,e,c);if((b[e+11>>0]|0)>=0){u=d;return}br(f[e>>2]|0);u=d;return}function yi(a){a=a|0;var b=0,c=0,d=0;b=f[a+84>>2]|0;if(b|0){c=a+88|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+72>>2]|0;if(b|0){d=a+76|0;if((f[d>>2]|0)!=(b|0))f[d>>2]=b;br(b)}b=f[a+52>>2]|0;if(b|0){d=a+56|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+40>>2]|0;if(b|0){c=a+44|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+28>>2]|0;if(b|0){d=a+32|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+12>>2]|0;if(b|0)br(b);b=f[a>>2]|0;if(!b)return;br(b);return}function zi(a){a=a|0;var b=0,c=0,d=0,e=0;f[a>>2]=1336;b=a+32|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0){b=c+88|0;d=f[b>>2]|0;f[b>>2]=0;if(d|0){b=f[d+8>>2]|0;if(b|0){e=d+12|0;if((f[e>>2]|0)!=(b|0))f[e>>2]=b;br(b)}br(d)}d=f[c+68>>2]|0;if(d|0){b=c+72|0;e=f[b>>2]|0;if((e|0)!=(d|0))f[b>>2]=e+(~((e+-4-d|0)>>>2)<<2);br(d)}d=c+64|0;e=f[d>>2]|0;f[d>>2]=0;if(e|0){d=f[e>>2]|0;if(d|0){b=e+4|0;if((f[b>>2]|0)!=(d|0))f[b>>2]=d;br(d)}br(e)}br(c)}c=f[a+16>>2]|0;if(!c)return;e=a+20|0;a=f[e>>2]|0;if((a|0)!=(c|0))f[e>>2]=a+(~((a+-4-c|0)>>>2)<<2);br(c);return}function Ai(){var a=0,b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;a=u;u=u+48|0;b=a+32|0;c=a+24|0;d=a+16|0;e=a;g=a+36|0;a=mn()|0;if(a|0?(h=f[a>>2]|0,h|0):0){a=h+48|0;i=f[a>>2]|0;j=f[a+4>>2]|0;if(!((i&-256|0)==1126902528&(j|0)==1129074247)){f[c>>2]=17607;Dn(17557,c)}if((i|0)==1126902529&(j|0)==1129074247)k=f[h+44>>2]|0;else k=h+80|0;f[g>>2]=k;k=f[h>>2]|0;h=f[k+4>>2]|0;if(Sa[f[(f[250]|0)+16>>2]&31](1e3,k,g)|0){k=f[g>>2]|0;g=Qa[f[(f[k>>2]|0)+8>>2]&127](k)|0;f[e>>2]=17607;f[e+4>>2]=h;f[e+8>>2]=g;Dn(17471,e)}else{f[d>>2]=17607;f[d+4>>2]=h;Dn(17516,d)}}Dn(17595,b)}function Bi(a,c,d){a=a|0;c=c|0;d=d|0;var e=0;do if(a){if(c>>>0<128){b[a>>0]=c;e=1;break}d=(Yq()|0)+188|0;if(!(f[f[d>>2]>>2]|0))if((c&-128|0)==57216){b[a>>0]=c;e=1;break}else{d=ir()|0;f[d>>2]=84;e=-1;break}if(c>>>0<2048){b[a>>0]=c>>>6|192;b[a+1>>0]=c&63|128;e=2;break}if(c>>>0<55296|(c&-8192|0)==57344){b[a>>0]=c>>>12|224;b[a+1>>0]=c>>>6&63|128;b[a+2>>0]=c&63|128;e=3;break}if((c+-65536|0)>>>0<1048576){b[a>>0]=c>>>18|240;b[a+1>>0]=c>>>12&63|128;b[a+2>>0]=c>>>6&63|128;b[a+3>>0]=c&63|128;e=4;break}else{d=ir()|0;f[d>>2]=84;e=-1;break}}else e=1;while(0);return e|0}function Ci(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d|0;g=e>>2;h=g+1|0;if(h>>>0>1073741823)mq(a);i=a+8|0;j=(f[i>>2]|0)-d|0;k=j>>1;l=j>>2>>>0<536870911?(k>>>0>>0?h:k):1073741823;do if(l)if(l>>>0>1073741823){k=ra(8)|0;Wo(k,14941);f[k>>2]=6944;va(k|0,1080,114)}else{k=dn(l<<2)|0;m=k;n=k;break}else{m=0;n=0}while(0);k=m+(g<<2)|0;f[k>>2]=f[b>>2];if((e|0)>0)Rg(n|0,d|0,e|0)|0;f[a>>2]=m;f[c>>2]=k+4;f[i>>2]=m+(l<<2);if(!d)return;br(d);return}function Di(a){a=a|0;var c=0,d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=a+104|0;d=f[c>>2]|0;if((d|0)!=0?(f[a+108>>2]|0)>=(d|0):0)e=4;else{d=Qm(a)|0;if((d|0)>=0){g=f[c>>2]|0;c=a+8|0;if(g){i=f[c>>2]|0;j=f[a+4>>2]|0;k=g-(f[a+108>>2]|0)|0;g=i;if((i-j|0)<(k|0)){l=g;m=g}else{l=j+(k+-1)|0;m=g}}else{g=f[c>>2]|0;l=g;m=g}f[a+100>>2]=l;l=a+4|0;if(!m)n=f[l>>2]|0;else{g=f[l>>2]|0;l=a+108|0;f[l>>2]=m+1-g+(f[l>>2]|0);n=g}g=n+-1|0;if((d|0)==(h[g>>0]|0|0))o=d;else{b[g>>0]=d;o=d}}else e=4}if((e|0)==4){f[a+100>>2]=0;o=-1}return o|0}function Ei(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;f[a>>2]=1528;f[a+4>>2]=b;b=a+8|0;f[b>>2]=f[c>>2];f[b+4>>2]=f[c+4>>2];f[b+8>>2]=f[c+8>>2];f[b+12>>2]=f[c+12>>2];f[b+16>>2]=f[c+16>>2];f[b+20>>2]=f[c+20>>2];_j(a+32|0,c+24|0);f[a>>2]=2144;c=a+44|0;f[c>>2]=f[d>>2];f[c+4>>2]=f[d+4>>2];f[c+8>>2]=f[d+8>>2];f[c+12>>2]=f[d+12>>2];f[a>>2]=2200;d=a+112|0;c=a+60|0;b=c+52|0;do{f[c>>2]=0;c=c+4|0}while((c|0)<(b|0));Sm(d);f[a+152>>2]=0;f[a+156>>2]=0;f[a+160>>2]=0;return}function Fi(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=u;u=u+16|0;g=e;h=dn(16)|0;f[g>>2]=h;f[g+8>>2]=-2147483632;f[g+4>>2]=14;i=h;j=12975;k=i+14|0;do{b[i>>0]=b[j>>0]|0;i=i+1|0;j=j+1|0}while((i|0)<(k|0));b[h+14>>0]=0;Nj(a,g,c);if((b[g+11>>0]|0)<0)br(f[g>>2]|0);c=dn(16)|0;f[g>>2]=c;f[g+8>>2]=-2147483632;f[g+4>>2]=14;i=c;j=12990;k=i+14|0;do{b[i>>0]=b[j>>0]|0;i=i+1|0;j=j+1|0}while((i|0)<(k|0));b[c+14>>0]=0;Nj(a,g,d);if((b[g+11>>0]|0)>=0){u=e;return}br(f[g>>2]|0);u=e;return}function Gi(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3320;b=f[a+88>>2]|0;if(b|0){c=a+92|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+72>>2]|0;if(b|0){d=a+76|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+60>>2]|0;if(b|0){c=a+64|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+48>>2]|0;if(b|0){d=a+52|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}f[a>>2]=3276;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b)return;br(b);return}function Hi(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;f[a>>2]=1528;f[a+4>>2]=b;b=a+8|0;f[b>>2]=f[c>>2];f[b+4>>2]=f[c+4>>2];f[b+8>>2]=f[c+8>>2];f[b+12>>2]=f[c+12>>2];f[b+16>>2]=f[c+16>>2];f[b+20>>2]=f[c+20>>2];_j(a+32|0,c+24|0);f[a>>2]=1836;c=a+44|0;f[c>>2]=f[d>>2];f[c+4>>2]=f[d+4>>2];f[c+8>>2]=f[d+8>>2];f[c+12>>2]=f[d+12>>2];f[a>>2]=1892;d=a+112|0;c=a+60|0;b=c+52|0;do{f[c>>2]=0;c=c+4|0}while((c|0)<(b|0));Sm(d);f[a+152>>2]=0;f[a+156>>2]=0;f[a+160>>2]=0;return}function Ii(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2200;b=f[a+152>>2]|0;if(b|0){c=a+156|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+112>>2]|0;if(b|0){d=a+116|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+96>>2]|0;if(b|0)br(b);b=f[a+84>>2]|0;if(b|0)br(b);b=f[a+72>>2]|0;if(b|0)br(b);b=f[a+60>>2]|0;if(b|0)br(b);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function Ji(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0;d=u;u=u+16|0;e=d;g=f[(f[c+4>>2]|0)+4>>2]|0;if(!g){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=d;return}if(!(rj(d+12|0,f[c+44>>2]|0,g)|0)){g=dn(32)|0;f[e>>2]=g;f[e+8>>2]=-2147483616;f[e+4>>2]=26;c=g;h=14822;i=c+26|0;do{b[c>>0]=b[h>>0]|0;c=c+1|0;h=h+1|0}while((c|0)<(i|0));b[g+26>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0)}else{f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0}u=d;return}function Ki(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0;c=b+48|0;if((Yh(f[c>>2]|0)|0)>9){d=0;return d|0}if((Qa[f[(f[b>>2]|0)+8>>2]&127](b)|0)!=1){d=0;return d|0}e=b+4|0;b=(f[(f[(f[e>>2]|0)+8>>2]|0)+(a<<2)>>2]|0)+56|0;a=f[b>>2]|0;do if((a|0)==3)if((Yh(f[c>>2]|0)|0)<4){d=5;return d|0}else{g=f[b>>2]|0;break}else g=a;while(0);a=Yh(f[c>>2]|0)|0;if((g|0)==1){d=(a|0)<4?6:0;return d|0}if((a|0)>7){d=0;return d|0}if((Yh(f[c>>2]|0)|0)>1){d=1;return d|0}else return ((f[(f[e>>2]|0)+80>>2]|0)>>>0<40?1:4)|0;return 0}function Li(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1892;b=f[a+152>>2]|0;if(b|0){c=a+156|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+112>>2]|0;if(b|0){d=a+116|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+96>>2]|0;if(b|0)br(b);b=f[a+84>>2]|0;if(b|0)br(b);b=f[a+72>>2]|0;if(b|0)br(b);b=f[a+60>>2]|0;if(b|0)br(b);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function Mi(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;g=u;u=u+128|0;h=g+124|0;i=g;j=i;k=6284;l=j+124|0;do{f[j>>2]=f[k>>2];j=j+4|0;k=k+4|0}while((j|0)<(l|0));if((c+-1|0)>>>0>2147483646)if(!c){m=h;n=1;o=4}else{h=ir()|0;f[h>>2]=75;p=-1}else{m=a;n=c;o=4}if((o|0)==4){o=-2-m|0;c=n>>>0>o>>>0?o:n;f[i+48>>2]=c;n=i+20|0;f[n>>2]=m;f[i+44>>2]=m;o=m+c|0;m=i+16|0;f[m>>2]=o;f[i+28>>2]=o;o=hh(i,d,e)|0;if(!c)p=o;else{c=f[n>>2]|0;b[c+(((c|0)==(f[m>>2]|0))<<31>>31)>>0]=0;p=o}}u=g;return p|0}function Ni(a){a=a|0;var c=0,d=0,e=0,g=0;f[a>>2]=3080;c=a+72|0;d=a+136|0;e=a+4|0;g=e+64|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));e=c;g=e+64|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));n[d>>2]=$(1.0);d=a+140|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;f[a+164>>2]=-1;d=a+168|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;f[d+24>>2]=0;rn(a+200|0);Cn(a+232|0);d=a+264|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;b[d+24>>0]=0;return}function Oi(a,c,d,e){a=a|0;c=c|0;d=d|0;e=+e;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;a=u;u=u+16|0;g=a;if(!c){h=0;u=a;return h|0}f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;i=vj(d)|0;if(i>>>0>4294967279)mq(g);if(i>>>0<11){b[g+11>>0]=i;if(!i)j=g;else{k=g;l=7}}else{m=i+16&-16;n=dn(m)|0;f[g>>2]=n;f[g+8>>2]=m|-2147483648;f[g+4>>2]=i;k=n;l=7}if((l|0)==7){Rg(k|0,d|0,i|0)|0;j=k}b[j+i>>0]=0;Ol(c,g,e);if((b[g+11>>0]|0)<0)br(f[g>>2]|0);h=1;u=a;return h|0}function Pi(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;a=u;u=u+16|0;g=a;if(!c){h=0;u=a;return h|0}f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;i=vj(d)|0;if(i>>>0>4294967279)mq(g);if(i>>>0<11){b[g+11>>0]=i;if(!i)j=g;else{k=g;l=7}}else{m=i+16&-16;n=dn(m)|0;f[g>>2]=n;f[g+8>>2]=m|-2147483648;f[g+4>>2]=i;k=n;l=7}if((l|0)==7){Rg(k|0,d|0,i|0)|0;j=k}b[j+i>>0]=0;Pl(c,g,e);if((b[g+11>>0]|0)<0)br(f[g>>2]|0);h=1;u=a;return h|0}function Qi(a){a=a|0;var c=0,d=0,e=0,g=0,h=0;c=f[a+28>>2]|0;if(c|0){d=c;do{c=d;d=f[d>>2]|0;e=c+8|0;g=c+20|0;h=f[g>>2]|0;f[g>>2]=0;if(h|0){Qi(h);br(h)}if((b[e+11>>0]|0)<0)br(f[e>>2]|0);br(c)}while((d|0)!=0)}d=a+20|0;c=f[d>>2]|0;f[d>>2]=0;if(c|0)br(c);c=f[a+8>>2]|0;if(c|0){d=c;do{c=d;d=f[d>>2]|0;e=c+8|0;h=f[c+20>>2]|0;if(h|0){g=c+24|0;if((f[g>>2]|0)!=(h|0))f[g>>2]=h;br(h)}if((b[e+11>>0]|0)<0)br(f[e>>2]|0);br(c)}while((d|0)!=0)}d=f[a>>2]|0;f[a>>2]=0;if(!d)return;br(d);return}function Ri(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;Wa[f[(f[c>>2]|0)+64>>2]&15](a,c);if(f[a>>2]|0){u=d;return}g=a+4|0;if((b[g+11>>0]|0)<0)br(f[g>>2]|0);g=f[c+48>>2]|0;h=dn(32)|0;f[e>>2]=h;f[e+8>>2]=-2147483616;f[e+4>>2]=29;i=h;j=14510;k=i+29|0;do{b[i>>0]=b[j>>0]|0;i=i+1|0;j=j+1|0}while((i|0)<(k|0));b[h+29>>0]=0;h=Oj(g,e,0)|0;if((b[e+11>>0]|0)<0)br(f[e>>2]|0);if(h)Va[f[(f[c>>2]|0)+68>>2]&127](c);f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=d;return}function Si(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0;e=u;u=u+16|0;g=e;h=f[c+48>>2]|0;if(!h){i=dn(32)|0;f[g>>2]=i;f[g+8>>2]=-2147483616;f[g+4>>2]=23;j=i;k=14670;l=j+23|0;do{b[j>>0]=b[k>>0]|0;j=j+1|0;k=k+1|0}while((j|0)<(l|0));b[i+23>>0]=0;f[a>>2]=-1;dj(a+4|0,g);if((b[g+11>>0]|0)<0)br(f[g>>2]|0);u=e;return}g=f[c+52>>2]|0;if(!g){Ic(a,c,h,d);u=e;return}else{jg(a,c,g,d);u=e;return}}function Ti(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;lk(a);b=a+84|0;c=f[b>>2]|0;if((c|0)<=0)return;d=c<<5;e=_q(c>>>0>134217727|d>>>0>4294967291?-1:d+4|0)|0;f[e>>2]=c;d=e+4|0;e=d+(c<<5)|0;c=d;do{rn(c);c=c+32|0}while((c|0)!=(e|0));e=a+80|0;a=f[e>>2]|0;f[e>>2]=d;if(a|0){d=a+-4|0;c=f[d>>2]|0;if(c|0){g=a+(c<<5)|0;do{g=g+-32|0;tj(g)}while((g|0)!=(a|0))}$q(d)}if((f[b>>2]|0)>0)h=0;else return;do{lk((f[e>>2]|0)+(h<<5)|0);h=h+1|0}while((h|0)<(f[b>>2]|0));return}function Ui(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;if(!b){d=0;return d|0}if(f[b+4>>2]|0){d=0;return d|0}a=dn(52)|0;Ub(a,c);f[a+40>>2]=0;f[a+44>>2]=0;f[a+48>>2]=0;c=b+4|0;b=f[c>>2]|0;f[c>>2]=a;if(!b){d=1;return d|0}a=b+40|0;c=f[a>>2]|0;if(c|0){e=b+44|0;g=f[e>>2]|0;if((g|0)==(c|0))h=c;else{i=g;do{g=i+-4|0;f[e>>2]=g;j=f[g>>2]|0;f[g>>2]=0;if(j|0){Qi(j);br(j)}i=f[e>>2]|0}while((i|0)!=(c|0));h=f[a>>2]|0}br(h)}Qi(b);br(b);d=1;return d|0}function Vi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;c=f[a>>2]|0;if(b){b=c+8|0;d=b;e=Tn(f[d>>2]|0,f[d+4>>2]|0,1,0)|0;d=b;f[d>>2]=e;f[d+4>>2]=I;d=a+28|0;e=f[d>>2]|0;b=a+24|0;f[b>>2]=f[b>>2]|1<>2]|0,f[e+4>>2]|0,1,0)|0;e=c;f[e>>2]=d;f[e+4>>2]=I;e=a+28|0;g=e;h=f[e>>2]|0}e=h+1|0;f[g>>2]=e;if((e|0)!=32)return;e=a+24|0;h=a+16|0;d=f[h>>2]|0;if((d|0)==(f[a+20>>2]|0))Ci(a+12|0,e);else{f[d>>2]=f[e>>2];f[h>>2]=d+4}f[g>>2]=0;f[e>>2]=0;return}function Wi(a,b){a=a|0;b=b|0;var c=0,d=0;c=a+32|0;a=f[b>>2]|0;f[b>>2]=0;b=f[c>>2]|0;f[c>>2]=a;if(!b)return;a=b+88|0;c=f[a>>2]|0;f[a>>2]=0;if(c|0){a=f[c+8>>2]|0;if(a|0){d=c+12|0;if((f[d>>2]|0)!=(a|0))f[d>>2]=a;br(a)}br(c)}c=f[b+68>>2]|0;if(c|0){a=b+72|0;d=f[a>>2]|0;if((d|0)!=(c|0))f[a>>2]=d+(~((d+-4-c|0)>>>2)<<2);br(c)}c=b+64|0;d=f[c>>2]|0;f[c>>2]=0;if(d|0){c=f[d>>2]|0;if(c|0){a=d+4|0;if((f[a>>2]|0)!=(c|0))f[a>>2]=c;br(c)}br(d)}br(b);return}function Xi(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;e=u;u=u+16|0;g=e;if(c|0){h=a+11|0;i=b[h>>0]|0;if(i<<24>>24<0){j=f[a+4>>2]|0;k=(f[a+8>>2]&2147483647)+-1|0}else{j=i&255;k=10}if((k-j|0)>>>0>>0){lj(a,k,c-k+j|0,j,j,0,0);l=b[h>>0]|0}else l=i;if(l<<24>>24<0)m=f[a>>2]|0;else m=a;On(m+j|0,c,d)|0;d=j+c|0;if((b[h>>0]|0)<0)f[a+4>>2]=d;else b[h>>0]=d;b[g>>0]=0;Hp(m+d|0,g)}u=e;return a|0}function Yi(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+48|0;e=d+4|0;g=d;h=f[b+12>>2]|0;i=f[b+4>>2]|0;b=e;j=b+36|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(j|0));gh(g,c,h,i,e);i=f[e+24>>2]|0;if(!i){k=f[g>>2]|0;f[a>>2]=k;u=d;return}h=e+28|0;e=f[h>>2]|0;if((e|0)!=(i|0))f[h>>2]=e+(~((e+-4-i|0)>>>2)<<2);br(i);k=f[g>>2]|0;f[a>>2]=k;u=d;return}function Zi(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;e=u;u=u+16|0;g=e;h=a+11|0;i=b[h>>0]|0;j=i<<24>>24<0;if(j)k=(f[a+8>>2]&2147483647)+-1|0;else k=10;do if(k>>>0>=d>>>0){if(j)l=f[a>>2]|0;else l=a;Jo(l,c,d)|0;b[g>>0]=0;Hp(l+d|0,g);if((b[h>>0]|0)<0){f[a+4>>2]=d;break}else{b[h>>0]=d;break}}else{if(j)m=f[a+4>>2]|0;else m=i&255;ni(a,k,d-k|0,m,0,m,d,c)}while(0);u=e;return a|0}function _i(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;b=f[a>>2]|0;if(!b)return;c=a+4|0;d=f[c>>2]|0;if((d|0)==(b|0))e=b;else{g=d;do{f[c>>2]=g+-136;d=f[g+-20>>2]|0;if(d|0){h=g+-16|0;i=f[h>>2]|0;if((i|0)!=(d|0))f[h>>2]=i+(~((i+-4-d|0)>>>2)<<2);br(d)}d=f[g+-32>>2]|0;if(d|0){i=g+-28|0;h=f[i>>2]|0;if((h|0)!=(d|0))f[i>>2]=h+(~((h+-4-d|0)>>>2)<<2);br(d)}yi(g+-132|0);g=f[c>>2]|0}while((g|0)!=(b|0));e=f[a>>2]|0}br(e);return}function $i(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;e=u;u=u+16|0;g=e;h=a+11|0;i=b[h>>0]|0;j=i<<24>>24<0;if(j){k=f[a+4>>2]|0;l=(f[a+8>>2]&2147483647)+-1|0}else{k=i&255;l=10}if((l-k|0)>>>0>=d>>>0){if(d|0){if(j)m=f[a>>2]|0;else m=a;Lo(m+k|0,c,d)|0;j=k+d|0;if((b[h>>0]|0)<0)f[a+4>>2]=j;else b[h>>0]=j;b[g>>0]=0;Hp(m+j|0,g)}}else ni(a,l,d-l+k|0,k,k,0,d,c);u=e;return a|0}function aj(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;f[a>>2]=3608;b=f[a+32>>2]|0;if(b|0){c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+20>>2]|0;if(b|0){d=a+24|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=a+8|0;c=f[b>>2]|0;if(!c)return;d=a+12|0;a=f[d>>2]|0;if((a|0)==(c|0))e=c;else{g=a;do{a=g+-4|0;f[d>>2]=a;h=f[a>>2]|0;f[a>>2]=0;if(h|0)Va[f[(f[h>>2]|0)+4>>2]&127](h);g=f[d>>2]|0}while((g|0)!=(c|0));e=f[b>>2]|0}br(e);return}function bj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+4|0;if((Qa[f[(f[b>>2]|0)+20>>2]&127](b)|0)<=0){d=1;return d|0}a=0;while(1){e=f[(f[c>>2]|0)+4>>2]|0;g=Tl(e,Ra[f[(f[b>>2]|0)+24>>2]&127](b,a)|0)|0;if((g|0)==-1){d=0;h=6;break}e=f[(f[b>>2]|0)+28>>2]|0;i=$k(f[c>>2]|0,g)|0;a=a+1|0;if(!(Ra[e&127](b,i)|0)){d=0;h=6;break}if((a|0)>=(Qa[f[(f[b>>2]|0)+20>>2]&127](b)|0)){d=1;h=6;break}}if((h|0)==6)return d|0;return 0}function cj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;if(!(lo(a,b,c)|0)){d=0;return d|0}if(!(Qa[f[(f[a>>2]|0)+52>>2]&127](a)|0)){d=0;return d|0}c=a+4|0;e=a+8|0;g=f[c>>2]|0;if((f[e>>2]|0)==(g|0)){d=1;return d|0}h=a+36|0;a=0;i=g;while(1){g=f[(f[h>>2]|0)+(a<<2)>>2]|0;if(!(Sa[f[(f[g>>2]|0)+8>>2]&31](g,b,f[i+(a<<2)>>2]|0)|0)){d=0;j=7;break}a=a+1|0;i=f[c>>2]|0;if(a>>>0>=(f[e>>2]|0)-i>>2>>>0){d=1;j=7;break}}if((j|0)==7)return d|0;return 0}function dj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;if((b[c+11>>0]|0)<0){g=f[c>>2]|0;h=f[c+4>>2]|0;if(h>>>0>4294967279)mq(a);if(h>>>0<11){b[a+11>>0]=h;i=a}else{j=h+16&-16;k=dn(j)|0;f[a>>2]=k;f[a+8>>2]=j|-2147483648;f[a+4>>2]=h;i=k}Lo(i,g,h)|0;b[e>>0]=0;Hp(i+h|0,e)}else{f[a>>2]=f[c>>2];f[a+4>>2]=f[c+4>>2];f[a+8>>2]=f[c+8>>2]}u=d;return}function ej(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[(f[b+4>>2]|0)+80>>2];h=f[b+44>>2]|0;b=h+16|0;i=f[b+4>>2]|0;if((i|0)>0|(i|0)==0&(f[b>>2]|0)>>>0>0){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=c;return}f[e>>2]=f[h+4>>2];f[d>>2]=f[e>>2];ye(h,d,g,g+4|0)|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=c;return}function fj(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0;b[c+53>>0]=1;do if((f[c+4>>2]|0)==(e|0)){b[c+52>>0]=1;a=c+16|0;h=f[a>>2]|0;if(!h){f[a>>2]=d;f[c+24>>2]=g;f[c+36>>2]=1;if(!((g|0)==1?(f[c+48>>2]|0)==1:0))break;b[c+54>>0]=1;break}if((h|0)!=(d|0)){h=c+36|0;f[h>>2]=(f[h>>2]|0)+1;b[c+54>>0]=1;break}h=c+24|0;a=f[h>>2]|0;if((a|0)==2){f[h>>2]=g;i=g}else i=a;if((i|0)==1?(f[c+48>>2]|0)==1:0)b[c+54>>0]=1}while(0);return}function gj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=a+36|0;d=a+40|0;e=f[c>>2]|0;if((f[d>>2]|0)!=(e|0)){g=0;h=e;do{eg(h+(g*24|0)|0,b)|0;g=g+1|0;h=f[c>>2]|0}while(g>>>0<(((f[d>>2]|0)-h|0)/24|0)>>>0)}h=a+48|0;d=a+52|0;a=f[h>>2]|0;if((f[d>>2]|0)==(a|0))return 1;else{i=0;j=a}do{a=f[j+(i<<2)>>2]|0;Nh(a<<1^a>>31,b)|0;i=i+1|0;j=f[h>>2]|0}while(i>>>0<(f[d>>2]|0)-j>>2>>>0);return 1}function hj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0;e=a+d|0;c=c&255;if((d|0)>=67){while(a&3){b[a>>0]=c;a=a+1|0}g=e&-4|0;h=g-64|0;i=c|c<<8|c<<16|c<<24;while((a|0)<=(h|0)){f[a>>2]=i;f[a+4>>2]=i;f[a+8>>2]=i;f[a+12>>2]=i;f[a+16>>2]=i;f[a+20>>2]=i;f[a+24>>2]=i;f[a+28>>2]=i;f[a+32>>2]=i;f[a+36>>2]=i;f[a+40>>2]=i;f[a+44>>2]=i;f[a+48>>2]=i;f[a+52>>2]=i;f[a+56>>2]=i;f[a+60>>2]=i;a=a+64|0}while((a|0)<(g|0)){f[a>>2]=i;a=a+4|0}}while((a|0)<(e|0)){b[a>>0]=c;a=a+1|0}return e-d|0}function ij(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0;do if(!(qp(a,f[c+8>>2]|0,g)|0)){if(qp(a,f[c>>2]|0,g)|0){if((f[c+16>>2]|0)!=(d|0)?(h=c+20|0,(f[h>>2]|0)!=(d|0)):0){f[c+32>>2]=e;f[h>>2]=d;h=c+40|0;f[h>>2]=(f[h>>2]|0)+1;if((f[c+36>>2]|0)==1?(f[c+24>>2]|0)==2:0)b[c+54>>0]=1;f[c+44>>2]=4;break}if((e|0)==1)f[c+32>>2]=1}}else Om(0,c,d,e);while(0);return}function jj(a){a=a|0;var b=0,c=0,d=0,e=0;b=a+80|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0){b=c+-4|0;d=f[b>>2]|0;if(d|0){e=c+(d<<5)|0;do{e=e+-32|0;tj(e)}while((e|0)!=(c|0))}$q(b)}b=f[a+68>>2]|0;if(b|0){c=a+72|0;e=f[c>>2]|0;if((e|0)!=(b|0))f[c>>2]=e+(~((e+-4-b|0)>>>2)<<2);br(b)}b=a+44|0;e=f[b>>2]|0;f[b>>2]=0;if(e|0)br(e);e=f[a+32>>2]|0;if(!e){tj(a);return}b=a+36|0;if((f[b>>2]|0)!=(e|0))f[b>>2]=e;br(e);tj(a);return}function kj(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2684;b=f[a+136>>2]|0;if(b|0){c=a+140|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+96>>2]|0;if(b|0){d=a+100|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+76>>2]|0;if(b|0)br(b);b=f[a+64>>2]|0;if(b|0)br(b);b=f[a+52>>2]|0;if(b|0)br(b);b=f[a+40>>2]|0;if(!b)return;br(b);return}function lj(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0;if((-17-c|0)>>>0>>0)mq(a);if((b[a+11>>0]|0)<0)j=f[a>>2]|0;else j=a;if(c>>>0<2147483623){k=d+c|0;d=c<<1;l=k>>>0>>0?d:k;m=l>>>0<11?11:l+16&-16}else m=-17;l=dn(m)|0;if(g|0)Lo(l,j,g)|0;k=e-h-g|0;if(k|0)Lo(l+g+i|0,j+g+h|0,k)|0;if((c|0)!=10)br(j);f[a>>2]=l;f[a+8>>2]=m|-2147483648;return}function mj(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2432;b=f[a+136>>2]|0;if(b|0){c=a+140|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+96>>2]|0;if(b|0){d=a+100|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b)}b=f[a+76>>2]|0;if(b|0)br(b);b=f[a+64>>2]|0;if(b|0)br(b);b=f[a+52>>2]|0;if(b|0)br(b);b=f[a+40>>2]|0;if(!b)return;br(b);return}function nj(a,b){a=a|0;b=b|0;if(!b)return;else{nj(a,f[b>>2]|0);nj(a,f[b+4>>2]|0);sj(b+20|0,f[b+24>>2]|0);br(b);return}}function oj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;If(a,b,c);c=f[a+100>>2]|0;d=f[a+96>>2]|0;a=d;if((c|0)==(d|0))return;e=f[b>>2]|0;b=(c-d|0)/12|0;d=0;do{c=a+(d*12|0)|0;f[c>>2]=f[e+(f[c>>2]<<2)>>2];c=a+(d*12|0)+4|0;f[c>>2]=f[e+(f[c>>2]<<2)>>2];c=a+(d*12|0)+8|0;f[c>>2]=f[e+(f[c>>2]<<2)>>2];d=d+1|0}while(d>>>0>>0);return}function pj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=a+64|0;if((f[d>>2]|0)==0?(e=dn(32)|0,tn(e),g=f[d>>2]|0,f[d>>2]=e,g|0):0){e=f[g>>2]|0;if(e|0){h=g+4|0;if((f[h>>2]|0)!=(e|0))f[h>>2]=e;br(e)}br(g)}g=Ll(f[a+28>>2]|0)|0;e=X(g,b[a+24>>0]|0)|0;g=((e|0)<0)<<31>>31;h=f[d>>2]|0;i=on(e|0,g|0,c|0,0)|0;if(!(Th(h,0,i,I)|0)){j=0;return j|0}Ak(a,f[d>>2]|0,e,g,0,0);f[a+80>>2]=c;j=1;return j|0}function qj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=u;u=u+64|0;e=d;if(!(qp(a,b,0)|0))if((b|0)!=0?(g=mh(b,1024,1008,0)|0,(g|0)!=0):0){b=e+4|0;h=b+52|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(h|0));f[e>>2]=g;f[e+8>>2]=a;f[e+12>>2]=-1;f[e+48>>2]=1;Ya[f[(f[g>>2]|0)+28>>2]&7](g,e,f[c>>2]|0,1);if((f[e+24>>2]|0)==1){f[c>>2]=f[e+16>>2];i=1}else i=0;j=i}else j=0;else j=1;u=d;return j|0}function rj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0;if(!c){d=0;return d|0}e=c+40|0;g=c+44|0;Nh((f[g>>2]|0)-(f[e>>2]|0)>>2,b)|0;h=f[e>>2]|0;e=f[g>>2]|0;if((h|0)!=(e|0)){g=h;do{h=f[g>>2]|0;if(h|0){Nh(f[h+40>>2]|0,b)|0;Wf(a,b,h)|0}g=g+4|0}while((g|0)!=(e|0))}Wf(a,b,c)|0;d=1;return d|0}function sj(a,c){a=a|0;c=c|0;var d=0;if(!c)return;sj(a,f[c>>2]|0);sj(a,f[c+4>>2]|0);a=c+16|0;d=c+28|0;if((b[d+11>>0]|0)<0)br(f[d>>2]|0);if((b[a+11>>0]|0)<0)br(f[a>>2]|0);br(c);return}function tj(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;b=u;u=u+16|0;c=b;d=c;f[d>>2]=0;f[d+4>>2]=0;cf(a,2,c);c=f[a+12>>2]|0;d=a+16|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e+(~((e+-4-c|0)>>>2)<<2)|0;f[d>>2]=h;g=h}f[a+24>>2]=0;f[a+28>>2]=0;if(c|0){if((g|0)!=(c|0))f[d>>2]=g+(~((g+-4-c|0)>>>2)<<2);br(c)}c=f[a>>2]|0;if(!c){u=b;return}g=a+4|0;a=f[g>>2]|0;if((a|0)!=(c|0))f[g>>2]=a+(~((a+-8-c|0)>>>3)<<3);br(c);u=b;return} +function $a(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0;b=u;u=u+16|0;c=b;do if(a>>>0<245){d=a>>>0<11?16:a+11&-8;e=d>>>3;g=f[4512]|0;h=g>>>e;if(h&3|0){i=(h&1^1)+e|0;j=18088+(i<<1<<2)|0;k=j+8|0;l=f[k>>2]|0;m=l+8|0;n=f[m>>2]|0;if((n|0)==(j|0))f[4512]=g&~(1<>2]=j;f[k>>2]=n}n=i<<3;f[l+4>>2]=n|3;i=l+n+4|0;f[i>>2]=f[i>>2]|1;o=m;u=b;return o|0}m=f[4514]|0;if(d>>>0>m>>>0){if(h|0){i=2<>>12&16;e=i>>>n;i=e>>>5&8;h=e>>>i;e=h>>>2&4;l=h>>>e;h=l>>>1&2;k=l>>>h;l=k>>>1&1;j=(i|n|e|h|l)+(k>>>l)|0;l=18088+(j<<1<<2)|0;k=l+8|0;h=f[k>>2]|0;e=h+8|0;n=f[e>>2]|0;if((n|0)==(l|0)){i=g&~(1<>2]=l;f[k>>2]=n;p=g}n=j<<3;j=n-d|0;f[h+4>>2]=d|3;k=h+d|0;f[k+4>>2]=j|1;f[h+n>>2]=j;if(m|0){n=f[4517]|0;h=m>>>3;l=18088+(h<<1<<2)|0;i=1<>2]|0;r=i}f[r>>2]=n;f[q+12>>2]=n;f[n+8>>2]=q;f[n+12>>2]=l}f[4514]=j;f[4517]=k;o=e;u=b;return o|0}e=f[4513]|0;if(e){k=(e&0-e)+-1|0;j=k>>>12&16;l=k>>>j;k=l>>>5&8;n=l>>>k;l=n>>>2&4;i=n>>>l;n=i>>>1&2;h=i>>>n;i=h>>>1&1;s=f[18352+((k|j|l|n|i)+(h>>>i)<<2)>>2]|0;i=(f[s+4>>2]&-8)-d|0;h=f[s+16+(((f[s+16>>2]|0)==0&1)<<2)>>2]|0;if(!h){t=s;v=i}else{n=s;s=i;i=h;while(1){h=(f[i+4>>2]&-8)-d|0;l=h>>>0>>0;j=l?h:s;h=l?i:n;i=f[i+16+(((f[i+16>>2]|0)==0&1)<<2)>>2]|0;if(!i){t=h;v=j;break}else{n=h;s=j}}}s=t+d|0;if(s>>>0>t>>>0){n=f[t+24>>2]|0;i=f[t+12>>2]|0;do if((i|0)==(t|0)){j=t+20|0;h=f[j>>2]|0;if(!h){l=t+16|0;k=f[l>>2]|0;if(!k){w=0;break}else{x=k;y=l}}else{x=h;y=j}while(1){j=x+20|0;h=f[j>>2]|0;if(h|0){x=h;y=j;continue}j=x+16|0;h=f[j>>2]|0;if(!h)break;else{x=h;y=j}}f[y>>2]=0;w=x}else{j=f[t+8>>2]|0;f[j+12>>2]=i;f[i+8>>2]=j;w=i}while(0);do if(n|0){i=f[t+28>>2]|0;j=18352+(i<<2)|0;if((t|0)==(f[j>>2]|0)){f[j>>2]=w;if(!w){f[4513]=e&~(1<>2]|0)!=(t|0)&1)<<2)>>2]=w;if(!w)break}f[w+24>>2]=n;i=f[t+16>>2]|0;if(i|0){f[w+16>>2]=i;f[i+24>>2]=w}i=f[t+20>>2]|0;if(i|0){f[w+20>>2]=i;f[i+24>>2]=w}}while(0);if(v>>>0<16){n=v+d|0;f[t+4>>2]=n|3;e=t+n+4|0;f[e>>2]=f[e>>2]|1}else{f[t+4>>2]=d|3;f[s+4>>2]=v|1;f[s+v>>2]=v;if(m|0){e=f[4517]|0;n=m>>>3;i=18088+(n<<1<<2)|0;j=1<>2]|0;A=j}f[A>>2]=e;f[z+12>>2]=e;f[e+8>>2]=z;f[e+12>>2]=i}f[4514]=v;f[4517]=s}o=t+8|0;u=b;return o|0}else B=d}else B=d}else B=d}else if(a>>>0<=4294967231){i=a+11|0;e=i&-8;j=f[4513]|0;if(j){n=0-e|0;h=i>>>8;if(h)if(e>>>0>16777215)C=31;else{i=(h+1048320|0)>>>16&8;l=h<>>16&4;k=l<>>16&2;D=14-(h|i|l)+(k<>>15)|0;C=e>>>(D+7|0)&1|D<<1}else C=0;D=f[18352+(C<<2)>>2]|0;a:do if(!D){E=0;F=0;G=n;H=57}else{l=0;k=n;i=D;h=e<<((C|0)==31?0:25-(C>>>1)|0);I=0;while(1){J=(f[i+4>>2]&-8)-e|0;if(J>>>0>>0)if(!J){K=0;L=i;M=i;H=61;break a}else{N=i;O=J}else{N=l;O=k}J=f[i+20>>2]|0;i=f[i+16+(h>>>31<<2)>>2]|0;P=(J|0)==0|(J|0)==(i|0)?I:J;J=(i|0)==0;if(J){E=P;F=N;G=O;H=57;break}else{l=N;k=O;h=h<<((J^1)&1);I=P}}}while(0);if((H|0)==57){if((E|0)==0&(F|0)==0){D=2<>>12&16;d=D>>>n;D=d>>>5&8;s=d>>>D;d=s>>>2&4;g=s>>>d;s=g>>>1&2;m=g>>>s;g=m>>>1&1;Q=0;R=f[18352+((D|n|d|s|g)+(m>>>g)<<2)>>2]|0}else{Q=F;R=E}if(!R){S=Q;T=G}else{K=G;L=R;M=Q;H=61}}if((H|0)==61)while(1){H=0;g=(f[L+4>>2]&-8)-e|0;m=g>>>0>>0;s=m?g:K;g=m?L:M;L=f[L+16+(((f[L+16>>2]|0)==0&1)<<2)>>2]|0;if(!L){S=g;T=s;break}else{K=s;M=g;H=61}}if((S|0)!=0?T>>>0<((f[4514]|0)-e|0)>>>0:0){g=S+e|0;if(g>>>0<=S>>>0){o=0;u=b;return o|0}s=f[S+24>>2]|0;m=f[S+12>>2]|0;do if((m|0)==(S|0)){d=S+20|0;n=f[d>>2]|0;if(!n){D=S+16|0;I=f[D>>2]|0;if(!I){U=0;break}else{V=I;W=D}}else{V=n;W=d}while(1){d=V+20|0;n=f[d>>2]|0;if(n|0){V=n;W=d;continue}d=V+16|0;n=f[d>>2]|0;if(!n)break;else{V=n;W=d}}f[W>>2]=0;U=V}else{d=f[S+8>>2]|0;f[d+12>>2]=m;f[m+8>>2]=d;U=m}while(0);do if(s){m=f[S+28>>2]|0;d=18352+(m<<2)|0;if((S|0)==(f[d>>2]|0)){f[d>>2]=U;if(!U){d=j&~(1<>2]|0)!=(S|0)&1)<<2)>>2]=U;if(!U){X=j;break}}f[U+24>>2]=s;d=f[S+16>>2]|0;if(d|0){f[U+16>>2]=d;f[d+24>>2]=U}d=f[S+20>>2]|0;if(d){f[U+20>>2]=d;f[d+24>>2]=U;X=j}else X=j}else X=j;while(0);do if(T>>>0>=16){f[S+4>>2]=e|3;f[g+4>>2]=T|1;f[g+T>>2]=T;j=T>>>3;if(T>>>0<256){s=18088+(j<<1<<2)|0;d=f[4512]|0;m=1<>2]|0;Z=m}f[Z>>2]=g;f[Y+12>>2]=g;f[g+8>>2]=Y;f[g+12>>2]=s;break}s=T>>>8;if(s)if(T>>>0>16777215)_=31;else{m=(s+1048320|0)>>>16&8;d=s<>>16&4;j=d<>>16&2;n=14-(s|m|d)+(j<>>15)|0;_=T>>>(n+7|0)&1|n<<1}else _=0;n=18352+(_<<2)|0;f[g+28>>2]=_;d=g+16|0;f[d+4>>2]=0;f[d>>2]=0;d=1<<_;if(!(X&d)){f[4513]=X|d;f[n>>2]=g;f[g+24>>2]=n;f[g+12>>2]=g;f[g+8>>2]=g;break}d=T<<((_|0)==31?0:25-(_>>>1)|0);j=f[n>>2]|0;while(1){if((f[j+4>>2]&-8|0)==(T|0)){H=97;break}$=j+16+(d>>>31<<2)|0;n=f[$>>2]|0;if(!n){H=96;break}else{d=d<<1;j=n}}if((H|0)==96){f[$>>2]=g;f[g+24>>2]=j;f[g+12>>2]=g;f[g+8>>2]=g;break}else if((H|0)==97){d=j+8|0;n=f[d>>2]|0;f[n+12>>2]=g;f[d>>2]=g;f[g+8>>2]=n;f[g+12>>2]=j;f[g+24>>2]=0;break}}else{n=T+e|0;f[S+4>>2]=n|3;d=S+n+4|0;f[d>>2]=f[d>>2]|1}while(0);o=S+8|0;u=b;return o|0}else B=e}else B=e}else B=-1;while(0);S=f[4514]|0;if(S>>>0>=B>>>0){T=S-B|0;$=f[4517]|0;if(T>>>0>15){_=$+B|0;f[4517]=_;f[4514]=T;f[_+4>>2]=T|1;f[$+S>>2]=T;f[$+4>>2]=B|3}else{f[4514]=0;f[4517]=0;f[$+4>>2]=S|3;T=$+S+4|0;f[T>>2]=f[T>>2]|1}o=$+8|0;u=b;return o|0}$=f[4515]|0;if($>>>0>B>>>0){T=$-B|0;f[4515]=T;S=f[4518]|0;_=S+B|0;f[4518]=_;f[_+4>>2]=T|1;f[S+4>>2]=B|3;o=S+8|0;u=b;return o|0}if(!(f[4630]|0)){f[4632]=4096;f[4631]=4096;f[4633]=-1;f[4634]=-1;f[4635]=0;f[4623]=0;f[4630]=c&-16^1431655768;aa=4096}else aa=f[4632]|0;c=B+48|0;S=B+47|0;T=aa+S|0;_=0-aa|0;aa=T&_;if(aa>>>0<=B>>>0){o=0;u=b;return o|0}X=f[4622]|0;if(X|0?(Y=f[4620]|0,Z=Y+aa|0,Z>>>0<=Y>>>0|Z>>>0>X>>>0):0){o=0;u=b;return o|0}b:do if(!(f[4623]&4)){X=f[4518]|0;c:do if(X){Z=18496;while(1){Y=f[Z>>2]|0;if(Y>>>0<=X>>>0?(ba=Z+4|0,(Y+(f[ba>>2]|0)|0)>>>0>X>>>0):0)break;Y=f[Z+8>>2]|0;if(!Y){H=118;break c}else Z=Y}j=T-$&_;if(j>>>0<2147483647){Y=Fl(j|0)|0;if((Y|0)==((f[Z>>2]|0)+(f[ba>>2]|0)|0))if((Y|0)==(-1|0))ca=j;else{da=j;ea=Y;H=135;break b}else{fa=Y;ga=j;H=126}}else ca=0}else H=118;while(0);do if((H|0)==118){X=Fl(0)|0;if((X|0)!=(-1|0)?(e=X,j=f[4631]|0,Y=j+-1|0,U=((Y&e|0)==0?0:(Y+e&0-j)-e|0)+aa|0,e=f[4620]|0,j=U+e|0,U>>>0>B>>>0&U>>>0<2147483647):0){Y=f[4622]|0;if(Y|0?j>>>0<=e>>>0|j>>>0>Y>>>0:0){ca=0;break}Y=Fl(U|0)|0;if((Y|0)==(X|0)){da=U;ea=X;H=135;break b}else{fa=Y;ga=U;H=126}}else ca=0}while(0);do if((H|0)==126){U=0-ga|0;if(!(c>>>0>ga>>>0&(ga>>>0<2147483647&(fa|0)!=(-1|0))))if((fa|0)==(-1|0)){ca=0;break}else{da=ga;ea=fa;H=135;break b}Y=f[4632]|0;X=S-ga+Y&0-Y;if(X>>>0>=2147483647){da=ga;ea=fa;H=135;break b}if((Fl(X|0)|0)==(-1|0)){Fl(U|0)|0;ca=0;break}else{da=X+ga|0;ea=fa;H=135;break b}}while(0);f[4623]=f[4623]|4;ha=ca;H=133}else{ha=0;H=133}while(0);if(((H|0)==133?aa>>>0<2147483647:0)?(ca=Fl(aa|0)|0,aa=Fl(0)|0,fa=aa-ca|0,ga=fa>>>0>(B+40|0)>>>0,!((ca|0)==(-1|0)|ga^1|ca>>>0>>0&((ca|0)!=(-1|0)&(aa|0)!=(-1|0))^1)):0){da=ga?fa:ha;ea=ca;H=135}if((H|0)==135){ca=(f[4620]|0)+da|0;f[4620]=ca;if(ca>>>0>(f[4621]|0)>>>0)f[4621]=ca;ca=f[4518]|0;do if(ca){ha=18496;while(1){ia=f[ha>>2]|0;ja=ha+4|0;ka=f[ja>>2]|0;if((ea|0)==(ia+ka|0)){H=143;break}fa=f[ha+8>>2]|0;if(!fa)break;else ha=fa}if(((H|0)==143?(f[ha+12>>2]&8|0)==0:0)?ea>>>0>ca>>>0&ia>>>0<=ca>>>0:0){f[ja>>2]=ka+da;fa=(f[4515]|0)+da|0;ga=ca+8|0;aa=(ga&7|0)==0?0:0-ga&7;ga=ca+aa|0;S=fa-aa|0;f[4518]=ga;f[4515]=S;f[ga+4>>2]=S|1;f[ca+fa+4>>2]=40;f[4519]=f[4634];break}if(ea>>>0<(f[4516]|0)>>>0)f[4516]=ea;fa=ea+da|0;S=18496;while(1){if((f[S>>2]|0)==(fa|0)){H=151;break}ga=f[S+8>>2]|0;if(!ga){la=18496;break}else 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d}else{f[Y>>2]=ma;if(ma|0)break;f[4513]=f[4513]&~(1<>2]=T;X=aa+16|0;Y=f[X>>2]|0;if(Y|0){f[ma+16>>2]=Y;f[Y+24>>2]=ma}Y=f[X+4>>2]|0;if(!Y)break;f[ma+20>>2]=Y;f[Y+24>>2]=ma}while(0);pa=aa+_|0;qa=_+c|0}else{pa=aa;qa=c}$=pa+4|0;f[$>>2]=f[$>>2]&-2;f[ha+4>>2]=qa|1;f[ha+qa>>2]=qa;$=qa>>>3;if(qa>>>0<256){ba=18088+($<<1<<2)|0;Z=f[4512]|0;Y=1<<$;if(!(Z&Y)){f[4512]=Z|Y;ra=ba;sa=ba+8|0}else{Y=ba+8|0;ra=f[Y>>2]|0;sa=Y}f[sa>>2]=ha;f[ra+12>>2]=ha;f[ha+8>>2]=ra;f[ha+12>>2]=ba;break}ba=qa>>>8;do if(!ba)ta=0;else{if(qa>>>0>16777215){ta=31;break}Y=(ba+1048320|0)>>>16&8;Z=ba<>>16&4;X=Z<<$;Z=(X+245760|0)>>>16&2;j=14-($|Y|Z)+(X<>>15)|0;ta=qa>>>(j+7|0)&1|j<<1}while(0);ba=18352+(ta<<2)|0;f[ha+28>>2]=ta;_=ha+16|0;f[_+4>>2]=0;f[_>>2]=0;_=f[4513]|0;j=1<>2]=ha;f[ha+24>>2]=ba;f[ha+12>>2]=ha;f[ha+8>>2]=ha;break}j=qa<<((ta|0)==31?0:25-(ta>>>1)|0);_=f[ba>>2]|0;while(1){if((f[_+4>>2]&-8|0)==(qa|0)){H=192;break}ua=_+16+(j>>>31<<2)|0;ba=f[ua>>2]|0;if(!ba){H=191;break}else{j=j<<1;_=ba}}if((H|0)==191){f[ua>>2]=ha;f[ha+24>>2]=_;f[ha+12>>2]=ha;f[ha+8>>2]=ha;break}else if((H|0)==192){j=_+8|0;ba=f[j>>2]|0;f[ba+12>>2]=ha;f[j>>2]=ha;f[ha+8>>2]=ba;f[ha+12>>2]=_;f[ha+24>>2]=0;break}}else{ba=(f[4515]|0)+c|0;f[4515]=ba;f[4518]=ha;f[ha+4>>2]=ba|1}while(0);o=ga+8|0;u=b;return o|0}else la=18496;while(1){ha=f[la>>2]|0;if(ha>>>0<=ca>>>0?(va=ha+(f[la+4>>2]|0)|0,va>>>0>ca>>>0):0)break;la=f[la+8>>2]|0}ga=va+-47|0;ha=ga+8|0;c=ga+((ha&7|0)==0?0:0-ha&7)|0;ha=ca+16|0;ga=c>>>0>>0?ca:c;c=ga+8|0;aa=da+-40|0;fa=ea+8|0;S=(fa&7|0)==0?0:0-fa&7;fa=ea+S|0;ba=aa-S|0;f[4518]=fa;f[4515]=ba;f[fa+4>>2]=ba|1;f[ea+aa+4>>2]=40;f[4519]=f[4634];aa=ga+4|0;f[aa>>2]=27;f[c>>2]=f[4624];f[c+4>>2]=f[4625];f[c+8>>2]=f[4626];f[c+12>>2]=f[4627];f[4624]=ea;f[4625]=da;f[4627]=0;f[4626]=c;c=ga+24|0;do{ba=c;c=c+4|0;f[c>>2]=7}while((ba+8|0)>>>0>>0);if((ga|0)!=(ca|0)){c=ga-ca|0;f[aa>>2]=f[aa>>2]&-2;f[ca+4>>2]=c|1;f[ga>>2]=c;ba=c>>>3;if(c>>>0<256){fa=18088+(ba<<1<<2)|0;S=f[4512]|0;j=1<>2]|0;xa=j}f[xa>>2]=ca;f[wa+12>>2]=ca;f[ca+8>>2]=wa;f[ca+12>>2]=fa;break}fa=c>>>8;if(fa)if(c>>>0>16777215)ya=31;else{j=(fa+1048320|0)>>>16&8;S=fa<>>16&4;ba=S<>>16&2;Z=14-(fa|j|S)+(ba<>>15)|0;ya=c>>>(Z+7|0)&1|Z<<1}else ya=0;Z=18352+(ya<<2)|0;f[ca+28>>2]=ya;f[ca+20>>2]=0;f[ha>>2]=0;S=f[4513]|0;ba=1<>2]=ca;f[ca+24>>2]=Z;f[ca+12>>2]=ca;f[ca+8>>2]=ca;break}ba=c<<((ya|0)==31?0:25-(ya>>>1)|0);S=f[Z>>2]|0;while(1){if((f[S+4>>2]&-8|0)==(c|0)){H=213;break}za=S+16+(ba>>>31<<2)|0;Z=f[za>>2]|0;if(!Z){H=212;break}else{ba=ba<<1;S=Z}}if((H|0)==212){f[za>>2]=ca;f[ca+24>>2]=S;f[ca+12>>2]=ca;f[ca+8>>2]=ca;break}else if((H|0)==213){ba=S+8|0;c=f[ba>>2]|0;f[c+12>>2]=ca;f[ba>>2]=ca;f[ca+8>>2]=c;f[ca+12>>2]=S;f[ca+24>>2]=0;break}}}else{c=f[4516]|0;if((c|0)==0|ea>>>0>>0)f[4516]=ea;f[4624]=ea;f[4625]=da;f[4627]=0;f[4521]=f[4630];f[4520]=-1;f[4525]=18088;f[4524]=18088;f[4527]=18096;f[4526]=18096;f[4529]=18104;f[4528]=18104;f[4531]=18112;f[4530]=18112;f[4533]=18120;f[4532]=18120;f[4535]=18128;f[4534]=18128;f[4537]=18136;f[4536]=18136;f[4539]=18144;f[4538]=18144;f[4541]=18152;f[4540]=18152;f[4543]=18160;f[4542]=18160;f[4545]=18168;f[4544]=18168;f[4547]=18176;f[4546]=18176;f[4549]=18184;f[4548]=18184;f[4551]=18192;f[4550]=18192;f[4553]=18200;f[4552]=18200;f[4555]=18208;f[4554]=18208;f[4557]=18216;f[4556]=18216;f[4559]=18224;f[4558]=18224;f[4561]=18232;f[4560]=18232;f[4563]=18240;f[4562]=18240;f[4565]=18248;f[4564]=18248;f[4567]=18256;f[4566]=18256;f[4569]=18264;f[4568]=18264;f[4571]=18272;f[4570]=18272;f[4573]=18280;f[4572]=18280;f[4575]=18288;f[4574]=18288;f[4577]=18296;f[4576]=18296;f[4579]=18304;f[4578]=18304;f[4581]=18312;f[4580]=18312;f[4583]=18320;f[4582]=18320;f[4585]=18328;f[4584]=18328;f[4587]=18336;f[4586]=18336;c=da+-40|0;ba=ea+8|0;ha=(ba&7|0)==0?0:0-ba&7;ba=ea+ha|0;ga=c-ha|0;f[4518]=ba;f[4515]=ga;f[ba+4>>2]=ga|1;f[ea+c+4>>2]=40;f[4519]=f[4634]}while(0);ea=f[4515]|0;if(ea>>>0>B>>>0){da=ea-B|0;f[4515]=da;ea=f[4518]|0;ca=ea+B|0;f[4518]=ca;f[ca+4>>2]=da|1;f[ea+4>>2]=B|3;o=ea+8|0;u=b;return o|0}}ea=ir()|0;f[ea>>2]=12;o=0;u=b;return o|0}function ab(a,c,d,e,g,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0.0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0,Hb=0,Ib=0,Jb=0,Kb=0;i=u;u=u+240|0;j=i+104|0;k=i+224|0;l=i+176|0;m=i+160|0;n=i+228|0;o=i+72|0;p=i+40|0;q=i+132|0;r=i;s=i+172|0;t=i+156|0;v=i+152|0;w=i+148|0;x=i+144|0;y=i+128|0;z=a+8|0;Ah(z,c,e,g);e=f[a+48>>2]|0;A=f[a+52>>2]|0;B=l;C=B+48|0;do{f[B>>2]=0;B=B+4|0}while((B|0)<(C|0));if(!g){D=0;E=0}else{oi(l,g);D=f[l+12>>2]|0;E=f[l+16>>2]|0}B=l+16|0;C=E-D>>2;F=D;D=E;if(C>>>0>=g>>>0){if(C>>>0>g>>>0?(E=F+(g<<2)|0,(E|0)!=(D|0)):0)f[B>>2]=D+(~((D+-4-E|0)>>>2)<<2)}else oi(l+12|0,g-C|0);C=l+24|0;E=l+28|0;D=f[E>>2]|0;B=f[C>>2]|0;F=D-B>>2;G=B;B=D;if(F>>>0>=g>>>0){if(F>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[E>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else oi(C,g-F|0);F=l+36|0;C=l+40|0;D=f[C>>2]|0;B=f[F>>2]|0;E=D-B>>2;G=B;B=D;if(E>>>0>=g>>>0){if(E>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[C>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else oi(F,g-E|0);f[m>>2]=0;E=m+4|0;f[E>>2]=0;f[m+8>>2]=0;F=(g|0)==0;do if(!F)if(g>>>0>1073741823)mq(m);else{D=g<<2;B=dn(D)|0;f[m>>2]=B;C=B+(g<<2)|0;f[m+8>>2]=C;hj(B|0,0,D|0)|0;f[E>>2]=C;break}while(0);C=a+152|0;D=a+156|0;B=f[D>>2]|0;G=f[C>>2]|0;H=B-G>>2;L=G;G=B;if(H>>>0>=g>>>0){if(H>>>0>g>>>0?(B=L+(g<<2)|0,(B|0)!=(G|0)):0)f[D>>2]=G+(~((G+-4-B|0)>>>2)<<2)}else oi(C,g-H|0);f[o>>2]=0;f[o+4>>2]=0;f[o+8>>2]=0;f[o+12>>2]=0;f[o+16>>2]=0;f[o+20>>2]=0;f[o+24>>2]=0;f[o+28>>2]=0;f[p>>2]=0;f[p+4>>2]=0;f[p+8>>2]=0;f[p+12>>2]=0;f[p+16>>2]=0;f[p+20>>2]=0;f[p+24>>2]=0;f[p+28>>2]=0;f[q>>2]=0;H=q+4|0;f[H>>2]=0;f[q+8>>2]=0;if(F){M=0;N=0;O=0;P=0}else{F=g<<2;B=dn(F)|0;f[q>>2]=B;G=B+(g<<2)|0;f[q+8>>2]=G;hj(B|0,0,F|0)|0;f[H>>2]=G;M=B;N=G;O=G;P=B}B=a+56|0;G=f[B>>2]|0;F=f[G+4>>2]|0;D=f[G>>2]|0;L=F-D|0;a:do if((L|0)>4){Q=L>>>2;R=e+64|0;S=e+28|0;T=(g|0)>0;U=r+4|0;V=r+8|0;Z=r+12|0;_=a+152|0;$=a+112|0;aa=r+16|0;ba=r+28|0;ca=a+16|0;da=a+32|0;ea=a+12|0;fa=a+28|0;ga=a+20|0;ha=a+24|0;ia=r+28|0;ja=r+16|0;ka=r+20|0;la=r+32|0;ma=n+1|0;na=g<<2;oa=(g|0)==1;pa=Q+-1|0;if(F-D>>2>>>0>pa>>>0){qa=Q;ra=pa;sa=D;ta=M;ua=P;va=O;wa=M;xa=N;ya=M;za=N}else{Aa=G;mq(Aa)}b:while(1){pa=f[sa+(ra<<2)>>2]|0;Q=(((pa>>>0)%3|0|0)==0?2:-1)+pa|0;Ba=Q>>>5;Ca=1<<(Q&31);Da=(pa|0)==-1|(Q|0)==-1;Ea=1;Fa=0;Ga=pa;c:while(1){Ha=Ea^1;Ia=Fa;Ja=Ga;while(1){if((Ja|0)==-1){Ka=Ia;break c}La=f[l+(Ia*12|0)>>2]|0;if(((f[(f[e>>2]|0)+(Ja>>>5<<2)>>2]&1<<(Ja&31)|0)==0?(Ma=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ja<<2)>>2]|0,(Ma|0)!=-1):0)?(Na=f[S>>2]|0,Oa=f[A>>2]|0,Pa=f[Oa+(f[Na+(Ma<<2)>>2]<<2)>>2]|0,Qa=Ma+1|0,Ra=f[Oa+(f[Na+((((Qa>>>0)%3|0|0)==0?Ma+-2|0:Qa)<<2)>>2]<<2)>>2]|0,Qa=f[Oa+(f[Na+((((Ma>>>0)%3|0|0)==0?2:-1)+Ma<<2)>>2]<<2)>>2]|0,(Pa|0)<(ra|0)&(Ra|0)<(ra|0)&(Qa|0)<(ra|0)):0){Ma=X(Pa,g)|0;Pa=X(Ra,g)|0;Ra=X(Qa,g)|0;if(T){Qa=0;do{f[La+(Qa<<2)>>2]=(f[c+(Qa+Ra<<2)>>2]|0)+(f[c+(Qa+Pa<<2)>>2]|0)-(f[c+(Qa+Ma<<2)>>2]|0);Qa=Qa+1|0}while((Qa|0)!=(g|0))}Qa=Ia+1|0;if((Qa|0)==4){Ka=4;break c}else Sa=Qa}else Sa=Ia;do if(Ea){Qa=Ja+1|0;Ma=((Qa>>>0)%3|0|0)==0?Ja+-2|0:Qa;if(((Ma|0)!=-1?(f[(f[e>>2]|0)+(Ma>>>5<<2)>>2]&1<<(Ma&31)|0)==0:0)?(Qa=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ma<<2)>>2]|0,Ma=Qa+1|0,(Qa|0)!=-1):0)Ta=((Ma>>>0)%3|0|0)==0?Qa+-2|0:Ma;else Ta=-1}else{Ma=(((Ja>>>0)%3|0|0)==0?2:-1)+Ja|0;if(((Ma|0)!=-1?(f[(f[e>>2]|0)+(Ma>>>5<<2)>>2]&1<<(Ma&31)|0)==0:0)?(Qa=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ma<<2)>>2]|0,(Qa|0)!=-1):0)if(!((Qa>>>0)%3|0)){Ta=Qa+2|0;break}else{Ta=Qa+-1|0;break}else Ta=-1}while(0);if((Ta|0)==(pa|0)){Ka=Sa;break c}if((Ta|0)!=-1|Ha){Ia=Sa;Ja=Ta}else break}if(Da){Ea=0;Fa=Sa;Ga=-1;continue}if(f[(f[e>>2]|0)+(Ba<<2)>>2]&Ca|0){Ea=0;Fa=Sa;Ga=-1;continue}Ja=f[(f[(f[R>>2]|0)+12>>2]|0)+(Q<<2)>>2]|0;if((Ja|0)==-1){Ea=0;Fa=Sa;Ga=-1;continue}if(!((Ja>>>0)%3|0)){Ea=0;Fa=Sa;Ga=Ja+2|0;continue}else{Ea=0;Fa=Sa;Ga=Ja+-1|0;continue}}Ga=X(ra,g)|0;f[r>>2]=0;f[U>>2]=0;b[V>>0]=0;f[Z>>2]=0;f[Z+4>>2]=0;f[Z+8>>2]=0;f[Z+12>>2]=0;f[Z+16>>2]=0;f[Z+20>>2]=0;f[Z+24>>2]=0;Fa=c+((X(qa+-2|0,g)|0)<<2)|0;Ea=c+(Ga<<2)|0;Q=f[_>>2]|0;if(T){Ca=0;Ba=0;while(1){Da=(f[Fa+(Ca<<2)>>2]|0)-(f[Ea+(Ca<<2)>>2]|0)|0;pa=((Da|0)>-1?Da:0-Da|0)+Ba|0;f[ta+(Ca<<2)>>2]=Da;f[Q+(Ca<<2)>>2]=Da<<1^Da>>31;Ca=Ca+1|0;if((Ca|0)==(g|0)){Ua=pa;break}else Ba=pa}}else Ua=0;ho(j,$,Q,g);Ba=Tk(j)|0;Ca=I;pa=om(j)|0;Da=Tn(pa|0,I|0,Ba|0,Ca|0)|0;Ca=I;Ba=(Ka|0)>0;if(Ba){pa=Ka+-1|0;Ja=p+(pa<<3)|0;Ia=Ja;Ha=Tn(f[Ia>>2]|0,f[Ia+4>>2]|0,Ka|0,((Ka|0)<0)<<31>>31|0)|0;Ia=I;Qa=Ja;f[Qa>>2]=Ha;f[Qa+4>>2]=Ia;Va=+W(+(+jm(Ha,f[o+(pa<<3)>>2]|0)*(+(Ha>>>0)+4294967296.0*+(Ia|0))));Ia=Tn(Da|0,Ca|0,~~Va>>>0|0,(+K(Va)>=1.0?(Va>0.0?~~+Y(+J(Va/4294967296.0),4294967295.0)>>>0:~~+W((Va-+(~~Va>>>0))/4294967296.0)>>>0):0)|0)|0;Wa=Ia}else Wa=Da;Da=r;f[Da>>2]=Wa;f[Da+4>>2]=Ua;b[V>>0]=0;f[Z>>2]=0;Mf(aa,Fa,Fa+(g<<2)|0);f[s>>2]=ua;f[t>>2]=va;f[k>>2]=f[s>>2];f[j>>2]=f[t>>2];tf(ba,k,j);if((Ka|0)<1){Xa=za;Ya=ya;Za=xa;_a=wa;$a=va;ab=ua;bb=ua}else{Da=n+Ka|0;Ia=f[q>>2]|0;Ca=Ka+-1|0;Ha=o+(Ca<<3)|0;pa=p+(Ca<<3)|0;Ca=Ia;Qa=f[H>>2]|0;Ja=Da+-1|0;Ma=(Ja|0)==(n|0);Pa=Da+-2|0;Ra=ma>>>0>>0;La=~Ka;Na=Ka+2+((La|0)>-2?La:-2)|0;La=Qa;Oa=Ja>>>0>n>>>0;cb=0;db=1;while(1){cb=cb+1|0;hj(n|0,1,Na|0)|0;hj(n|0,0,cb|0)|0;d:while(1){if(T){hj(f[m>>2]|0,0,na|0)|0;eb=f[m>>2]|0;fb=0;gb=0;while(1){if(!(b[n+fb>>0]|0)){hb=f[l+(fb*12|0)>>2]|0;ib=0;do{jb=eb+(ib<<2)|0;f[jb>>2]=(f[jb>>2]|0)+(f[hb+(ib<<2)>>2]|0);ib=ib+1|0}while((ib|0)!=(g|0));kb=(1<>0]|0))mb=(1<>2]|0;do if(T){f[fb>>2]=(f[fb>>2]|0)/(db|0)|0;if(!oa){gb=1;do{eb=fb+(gb<<2)|0;f[eb>>2]=(f[eb>>2]|0)/(db|0)|0;gb=gb+1|0}while((gb|0)!=(g|0));gb=f[_>>2]|0;if(T)nb=gb;else{ob=0;pb=gb;break}}else nb=f[_>>2]|0;gb=0;eb=0;while(1){ib=(f[fb+(gb<<2)>>2]|0)-(f[Ea+(gb<<2)>>2]|0)|0;hb=((ib|0)>-1?ib:0-ib|0)+eb|0;f[Ia+(gb<<2)>>2]=ib;f[nb+(gb<<2)>>2]=ib<<1^ib>>31;gb=gb+1|0;if((gb|0)==(g|0)){ob=hb;pb=nb;break}else eb=hb}}else{ob=0;pb=f[_>>2]|0}while(0);ho(j,$,pb,g);fb=Tk(j)|0;eb=I;gb=om(j)|0;hb=Tn(gb|0,I|0,fb|0,eb|0)|0;eb=I;if(Ba){fb=Ha;gb=Tn(f[fb>>2]|0,f[fb+4>>2]|0,db|0,0)|0;fb=pa;ib=f[fb>>2]|0;jb=f[fb+4>>2]|0;Va=+W(+(+jm(ib,gb)*(+(ib>>>0)+4294967296.0*+(jb|0))));jb=Tn(hb|0,eb|0,~~Va>>>0|0,(+K(Va)>=1.0?(Va>0.0?~~+Y(+J(Va/4294967296.0),4294967295.0)>>>0:~~+W((Va-+(~~Va>>>0))/4294967296.0)>>>0):0)|0)|0;qb=jb}else qb=hb;hb=f[r>>2]|0;if(!((qb|0)>=(hb|0)?!((qb|0)<=(hb|0)?(ob|0)<(f[U>>2]|0):0):0)){hb=r;f[hb>>2]=qb;f[hb+4>>2]=ob;b[V>>0]=lb;f[Z>>2]=db;f[v>>2]=f[m>>2];f[w>>2]=f[E>>2];f[k>>2]=f[v>>2];f[j>>2]=f[w>>2];tf(aa,k,j);f[x>>2]=Ca;f[y>>2]=Qa;f[k>>2]=f[x>>2];f[j>>2]=f[y>>2];tf(ba,k,j)}if(Ma)break;rb=b[Ja>>0]|0;hb=-1;jb=rb;while(1){eb=hb+-1|0;sb=Da+eb|0;ib=jb;jb=b[sb>>0]|0;if((jb&255)<(ib&255))break;if((sb|0)==(n|0)){tb=86;break d}else hb=eb}eb=Da+hb|0;if((jb&255)<(rb&255)){ub=Ja;vb=rb}else{ib=Da;gb=Ja;while(1){fb=gb+-1|0;if((jb&255)<(h[ib+-2>>0]|0)){ub=fb;vb=1;break}else{wb=gb;gb=fb;ib=wb}}}b[sb>>0]=vb;b[ub>>0]=jb;if((hb|0)<-1){xb=eb;yb=Ja}else continue;while(1){ib=b[xb>>0]|0;b[xb>>0]=b[yb>>0]|0;b[yb>>0]=ib;ib=xb+1|0;gb=yb+-1|0;if(ib>>>0>>0){xb=ib;yb=gb}else continue d}}if(((tb|0)==86?(tb=0,Oa):0)?(eb=b[n>>0]|0,b[n>>0]=rb,b[Ja>>0]=eb,Ra):0){eb=Pa;hb=ma;do{jb=b[hb>>0]|0;b[hb>>0]=b[eb>>0]|0;b[eb>>0]=jb;hb=hb+1|0;eb=eb+-1|0}while(hb>>>0>>0)}if((db|0)>=(Ka|0)){Xa=La;Ya=Ia;Za=La;_a=Ia;$a=Qa;ab=Ca;bb=Ia;break}else db=db+1|0}}if(Ba){db=f[Z>>2]|0;Ia=o+(Ka+-1<<3)|0;Ca=Ia;Qa=Tn(f[Ca>>2]|0,f[Ca+4>>2]|0,db|0,((db|0)<0)<<31>>31|0)|0;db=Ia;f[db>>2]=Qa;f[db+4>>2]=I}if(T){db=f[ba>>2]|0;Qa=f[C>>2]|0;Ia=0;do{Ca=f[db+(Ia<<2)>>2]|0;f[Qa+(Ia<<2)>>2]=Ca<<1^Ca>>31;Ia=Ia+1|0}while((Ia|0)!=(g|0));zb=Qa}else zb=f[C>>2]|0;go(j,$,zb,g);if(Ba){Qa=Ka+-1|0;Ab=a+60+(Qa*12|0)|0;Ia=a+60+(Qa*12|0)+4|0;db=a+60+(Qa*12|0)+8|0;Qa=0;do{Ca=f[Ia>>2]|0;La=f[db>>2]|0;Pa=(Ca|0)==(La<<5|0);if(!(1<>0])){if(Pa){if((Ca+1|0)<0){tb=114;break b}Ra=La<<6;Ja=Ca+32&-32;hi(Ab,Ca>>>0<1073741823?(Ra>>>0>>0?Ja:Ra):2147483647);Bb=f[Ia>>2]|0}else Bb=Ca;f[Ia>>2]=Bb+1;Ra=(f[Ab>>2]|0)+(Bb>>>5<<2)|0;f[Ra>>2]=f[Ra>>2]|1<<(Bb&31)}else{if(Pa){if((Ca+1|0)<0){tb=119;break b}Pa=La<<6;La=Ca+32&-32;hi(Ab,Ca>>>0<1073741823?(Pa>>>0>>0?La:Pa):2147483647);Cb=f[Ia>>2]|0}else Cb=Ca;f[Ia>>2]=Cb+1;Ca=(f[Ab>>2]|0)+(Cb>>>5<<2)|0;f[Ca>>2]=f[Ca>>2]&~(1<<(Cb&31))}Qa=Qa+1|0}while((Qa|0)<(Ka|0))}Qa=d+(Ga<<2)|0;Ia=f[z>>2]|0;if((Ia|0)>0){db=0;Ba=f[aa>>2]|0;Ca=Ia;while(1){if((Ca|0)>0){Ia=0;do{Pa=f[Ba+(Ia<<2)>>2]|0;La=f[ca>>2]|0;if((Pa|0)>(La|0)){Ra=f[da>>2]|0;f[Ra+(Ia<<2)>>2]=La;Db=Ra}else{Ra=f[ea>>2]|0;La=f[da>>2]|0;f[La+(Ia<<2)>>2]=(Pa|0)<(Ra|0)?Ra:Pa;Db=La}Ia=Ia+1|0}while((Ia|0)<(f[z>>2]|0));Eb=Db}else Eb=f[da>>2]|0;Ia=(f[Ea+(db<<2)>>2]|0)-(f[Eb+(db<<2)>>2]|0)|0;La=Qa+(db<<2)|0;f[La>>2]=Ia;do if((Ia|0)<(f[fa>>2]|0)){Fb=(f[ga>>2]|0)+Ia|0;tb=109}else{if((Ia|0)<=(f[ha>>2]|0))break;Fb=Ia-(f[ga>>2]|0)|0;tb=109}while(0);if((tb|0)==109){tb=0;f[La>>2]=Fb}db=db+1|0;Ca=f[z>>2]|0;if((db|0)>=(Ca|0))break;else Ba=Eb}}Ba=f[ia>>2]|0;if(Ba|0){Ca=f[la>>2]|0;if((Ca|0)!=(Ba|0))f[la>>2]=Ca+(~((Ca+-4-Ba|0)>>>2)<<2);br(Ba)}Ba=f[ja>>2]|0;if(Ba|0){Ca=f[ka>>2]|0;if((Ca|0)!=(Ba|0))f[ka>>2]=Ca+(~((Ca+-4-Ba|0)>>>2)<<2);br(Ba)}if((qa|0)<=2){Gb=_a;Hb=Za;break a}Ba=f[B>>2]|0;sa=f[Ba>>2]|0;Ca=ra+-1|0;if((f[Ba+4>>2]|0)-sa>>2>>>0<=Ca>>>0){Aa=Ba;tb=18;break}else{Ba=ra;ra=Ca;ta=bb;ua=ab;va=$a;wa=_a;xa=Za;ya=Ya;za=Xa;qa=Ba}}if((tb|0)==18)mq(Aa);else if((tb|0)==114)mq(Ab);else if((tb|0)==119)mq(Ab)}else{Gb=M;Hb=N}while(0);N=f[l>>2]|0;if((g|0)>0?(f[N>>2]=0,(g|0)!=1):0){M=1;do{f[N+(M<<2)>>2]=0;M=M+1|0}while((M|0)!=(g|0))}g=f[z>>2]|0;if((g|0)>0){M=a+16|0;Ab=a+32|0;Aa=a+12|0;qa=a+28|0;Xa=a+20|0;za=a+24|0;a=0;Ya=N;N=g;while(1){if((N|0)>0){g=0;do{ya=f[Ya+(g<<2)>>2]|0;Za=f[M>>2]|0;if((ya|0)>(Za|0)){xa=f[Ab>>2]|0;f[xa+(g<<2)>>2]=Za;Ib=xa}else{xa=f[Aa>>2]|0;Za=f[Ab>>2]|0;f[Za+(g<<2)>>2]=(ya|0)<(xa|0)?xa:ya;Ib=Za}g=g+1|0}while((g|0)<(f[z>>2]|0));Jb=Ib}else Jb=f[Ab>>2]|0;g=(f[c+(a<<2)>>2]|0)-(f[Jb+(a<<2)>>2]|0)|0;Za=d+(a<<2)|0;f[Za>>2]=g;if((g|0)>=(f[qa>>2]|0)){if((g|0)>(f[za>>2]|0)){Kb=g-(f[Xa>>2]|0)|0;tb=145}}else{Kb=(f[Xa>>2]|0)+g|0;tb=145}if((tb|0)==145){tb=0;f[Za>>2]=Kb}a=a+1|0;N=f[z>>2]|0;if((a|0)>=(N|0))break;else Ya=Jb}}if(Gb|0){if((Hb|0)!=(Gb|0))f[H>>2]=Hb+(~((Hb+-4-Gb|0)>>>2)<<2);br(Gb)}Gb=f[m>>2]|0;if(Gb|0){m=f[E>>2]|0;if((m|0)!=(Gb|0))f[E>>2]=m+(~((m+-4-Gb|0)>>>2)<<2);br(Gb)}Gb=f[l+36>>2]|0;if(Gb|0){m=l+40|0;E=f[m>>2]|0;if((E|0)!=(Gb|0))f[m>>2]=E+(~((E+-4-Gb|0)>>>2)<<2);br(Gb)}Gb=f[l+24>>2]|0;if(Gb|0){E=l+28|0;m=f[E>>2]|0;if((m|0)!=(Gb|0))f[E>>2]=m+(~((m+-4-Gb|0)>>>2)<<2);br(Gb)}Gb=f[l+12>>2]|0;if(Gb|0){m=l+16|0;E=f[m>>2]|0;if((E|0)!=(Gb|0))f[m>>2]=E+(~((E+-4-Gb|0)>>>2)<<2);br(Gb)}Gb=f[l>>2]|0;if(!Gb){u=i;return 1}E=l+4|0;l=f[E>>2]|0;if((l|0)!=(Gb|0))f[E>>2]=l+(~((l+-4-Gb|0)>>>2)<<2);br(Gb);u=i;return 1}function bb(a,c,d,e,g,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0.0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0,Hb=0,Ib=0,Jb=0,Kb=0,Lb=0,Mb=0;i=u;u=u+240|0;j=i+104|0;k=i+224|0;l=i+176|0;m=i+160|0;n=i+228|0;o=i+72|0;p=i+40|0;q=i+132|0;r=i;s=i+172|0;t=i+156|0;v=i+152|0;w=i+148|0;x=i+144|0;y=i+128|0;z=a+8|0;Ah(z,c,e,g);e=f[a+48>>2]|0;A=f[a+52>>2]|0;B=l;C=B+48|0;do{f[B>>2]=0;B=B+4|0}while((B|0)<(C|0));if(!g){D=0;E=0}else{oi(l,g);D=f[l+12>>2]|0;E=f[l+16>>2]|0}B=l+16|0;C=E-D>>2;F=D;D=E;if(C>>>0>=g>>>0){if(C>>>0>g>>>0?(E=F+(g<<2)|0,(E|0)!=(D|0)):0)f[B>>2]=D+(~((D+-4-E|0)>>>2)<<2)}else oi(l+12|0,g-C|0);C=l+24|0;E=l+28|0;D=f[E>>2]|0;B=f[C>>2]|0;F=D-B>>2;G=B;B=D;if(F>>>0>=g>>>0){if(F>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[E>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else oi(C,g-F|0);F=l+36|0;C=l+40|0;D=f[C>>2]|0;B=f[F>>2]|0;E=D-B>>2;G=B;B=D;if(E>>>0>=g>>>0){if(E>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[C>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else oi(F,g-E|0);f[m>>2]=0;E=m+4|0;f[E>>2]=0;f[m+8>>2]=0;F=(g|0)==0;do if(!F)if(g>>>0>1073741823)mq(m);else{D=g<<2;B=dn(D)|0;f[m>>2]=B;C=B+(g<<2)|0;f[m+8>>2]=C;hj(B|0,0,D|0)|0;f[E>>2]=C;break}while(0);C=a+152|0;D=a+156|0;B=f[D>>2]|0;G=f[C>>2]|0;H=B-G>>2;L=G;G=B;if(H>>>0>=g>>>0){if(H>>>0>g>>>0?(B=L+(g<<2)|0,(B|0)!=(G|0)):0)f[D>>2]=G+(~((G+-4-B|0)>>>2)<<2)}else oi(C,g-H|0);f[o>>2]=0;f[o+4>>2]=0;f[o+8>>2]=0;f[o+12>>2]=0;f[o+16>>2]=0;f[o+20>>2]=0;f[o+24>>2]=0;f[o+28>>2]=0;f[p>>2]=0;f[p+4>>2]=0;f[p+8>>2]=0;f[p+12>>2]=0;f[p+16>>2]=0;f[p+20>>2]=0;f[p+24>>2]=0;f[p+28>>2]=0;f[q>>2]=0;H=q+4|0;f[H>>2]=0;f[q+8>>2]=0;if(F){M=0;N=0;O=0;P=0}else{F=g<<2;B=dn(F)|0;f[q>>2]=B;G=B+(g<<2)|0;f[q+8>>2]=G;hj(B|0,0,F|0)|0;f[H>>2]=G;M=B;N=G;O=G;P=B}B=a+56|0;G=f[B>>2]|0;F=f[G+4>>2]|0;D=f[G>>2]|0;L=F-D|0;a:do if((L|0)>4){Q=L>>>2;R=e+12|0;S=(g|0)>0;T=r+4|0;U=r+8|0;V=r+12|0;Z=a+152|0;_=a+112|0;$=r+16|0;aa=r+28|0;ba=a+16|0;ca=a+32|0;da=a+12|0;ea=a+28|0;fa=a+20|0;ga=a+24|0;ha=r+28|0;ia=r+16|0;ja=r+20|0;ka=r+32|0;la=n+1|0;ma=g<<2;na=(g|0)==1;oa=Q+-1|0;if(F-D>>2>>>0>oa>>>0){pa=Q;qa=oa;ra=D;sa=M;ta=P;ua=O;va=M;wa=N;xa=M;ya=N}else{za=G;mq(za)}b:while(1){oa=f[ra+(qa<<2)>>2]|0;Q=(((oa>>>0)%3|0|0)==0?2:-1)+oa|0;Aa=(oa|0)==-1|(Q|0)==-1;Ba=1;Ca=0;Da=oa;c:while(1){Ea=Ba^1;Fa=Ca;Ga=Da;while(1){if((Ga|0)==-1){Ha=Fa;break c}Ia=f[l+(Fa*12|0)>>2]|0;Ja=f[R>>2]|0;Ka=f[Ja+(Ga<<2)>>2]|0;if((Ka|0)!=-1){La=f[e>>2]|0;Ma=f[A>>2]|0;Na=f[Ma+(f[La+(Ka<<2)>>2]<<2)>>2]|0;Oa=Ka+1|0;Pa=((Oa>>>0)%3|0|0)==0?Ka+-2|0:Oa;if((Pa|0)==-1)Qa=-1;else Qa=f[La+(Pa<<2)>>2]|0;Pa=f[Ma+(Qa<<2)>>2]|0;Oa=(((Ka>>>0)%3|0|0)==0?2:-1)+Ka|0;if((Oa|0)==-1)Ra=-1;else Ra=f[La+(Oa<<2)>>2]|0;Oa=f[Ma+(Ra<<2)>>2]|0;if((Na|0)<(qa|0)&(Pa|0)<(qa|0)&(Oa|0)<(qa|0)){Ma=X(Na,g)|0;Na=X(Pa,g)|0;Pa=X(Oa,g)|0;if(S){Oa=0;do{f[Ia+(Oa<<2)>>2]=(f[c+(Oa+Pa<<2)>>2]|0)+(f[c+(Oa+Na<<2)>>2]|0)-(f[c+(Oa+Ma<<2)>>2]|0);Oa=Oa+1|0}while((Oa|0)!=(g|0))}Oa=Fa+1|0;if((Oa|0)==4){Ha=4;break c}else Sa=Oa}else Sa=Fa}else Sa=Fa;do if(Ba){Oa=Ga+1|0;Ma=((Oa>>>0)%3|0|0)==0?Ga+-2|0:Oa;if((Ma|0)!=-1?(Oa=f[Ja+(Ma<<2)>>2]|0,Ma=Oa+1|0,(Oa|0)!=-1):0)Ta=((Ma>>>0)%3|0|0)==0?Oa+-2|0:Ma;else Ta=-1}else{Ma=(((Ga>>>0)%3|0|0)==0?2:-1)+Ga|0;if((Ma|0)!=-1?(Oa=f[Ja+(Ma<<2)>>2]|0,(Oa|0)!=-1):0)if(!((Oa>>>0)%3|0)){Ta=Oa+2|0;break}else{Ta=Oa+-1|0;break}else Ta=-1}while(0);if((Ta|0)==(oa|0)){Ha=Sa;break c}if((Ta|0)!=-1|Ea){Fa=Sa;Ga=Ta}else break}if(Aa){Ba=0;Ca=Sa;Da=-1;continue}Ga=f[Ja+(Q<<2)>>2]|0;if((Ga|0)==-1){Ba=0;Ca=Sa;Da=-1;continue}if(!((Ga>>>0)%3|0)){Ba=0;Ca=Sa;Da=Ga+2|0;continue}else{Ba=0;Ca=Sa;Da=Ga+-1|0;continue}}Da=X(qa,g)|0;f[r>>2]=0;f[T>>2]=0;b[U>>0]=0;f[V>>2]=0;f[V+4>>2]=0;f[V+8>>2]=0;f[V+12>>2]=0;f[V+16>>2]=0;f[V+20>>2]=0;f[V+24>>2]=0;Ca=c+((X(pa+-2|0,g)|0)<<2)|0;Ba=c+(Da<<2)|0;Q=f[Z>>2]|0;if(S){Aa=0;oa=0;while(1){Ga=(f[Ca+(Aa<<2)>>2]|0)-(f[Ba+(Aa<<2)>>2]|0)|0;Fa=((Ga|0)>-1?Ga:0-Ga|0)+oa|0;f[sa+(Aa<<2)>>2]=Ga;f[Q+(Aa<<2)>>2]=Ga<<1^Ga>>31;Aa=Aa+1|0;if((Aa|0)==(g|0)){Ua=Fa;break}else oa=Fa}}else Ua=0;ho(j,_,Q,g);oa=Tk(j)|0;Aa=I;Fa=om(j)|0;Ga=Tn(Fa|0,I|0,oa|0,Aa|0)|0;Aa=I;oa=(Ha|0)>0;if(oa){Fa=Ha+-1|0;Ea=p+(Fa<<3)|0;Oa=Ea;Ma=Tn(f[Oa>>2]|0,f[Oa+4>>2]|0,Ha|0,((Ha|0)<0)<<31>>31|0)|0;Oa=I;Na=Ea;f[Na>>2]=Ma;f[Na+4>>2]=Oa;Va=+W(+(+jm(Ma,f[o+(Fa<<3)>>2]|0)*(+(Ma>>>0)+4294967296.0*+(Oa|0))));Oa=Tn(Ga|0,Aa|0,~~Va>>>0|0,(+K(Va)>=1.0?(Va>0.0?~~+Y(+J(Va/4294967296.0),4294967295.0)>>>0:~~+W((Va-+(~~Va>>>0))/4294967296.0)>>>0):0)|0)|0;Wa=Oa}else Wa=Ga;Ga=r;f[Ga>>2]=Wa;f[Ga+4>>2]=Ua;b[U>>0]=0;f[V>>2]=0;Mf($,Ca,Ca+(g<<2)|0);f[s>>2]=ta;f[t>>2]=ua;f[k>>2]=f[s>>2];f[j>>2]=f[t>>2];tf(aa,k,j);if((Ha|0)<1){Xa=ya;Ya=xa;Za=wa;_a=va;$a=ua;ab=ta;bb=ta}else{Ga=n+Ha|0;Oa=f[q>>2]|0;Aa=Ha+-1|0;Ma=o+(Aa<<3)|0;Fa=p+(Aa<<3)|0;Aa=Oa;Na=f[H>>2]|0;Ea=Ga+-1|0;Pa=(Ea|0)==(n|0);Ia=Ga+-2|0;La=la>>>0>>0;Ka=~Ha;cb=Ha+2+((Ka|0)>-2?Ka:-2)|0;Ka=Na;db=Ea>>>0>n>>>0;eb=0;fb=1;while(1){eb=eb+1|0;hj(n|0,1,cb|0)|0;hj(n|0,0,eb|0)|0;d:while(1){if(S){hj(f[m>>2]|0,0,ma|0)|0;gb=f[m>>2]|0;hb=0;ib=0;while(1){if(!(b[n+hb>>0]|0)){jb=f[l+(hb*12|0)>>2]|0;kb=0;do{lb=gb+(kb<<2)|0;f[lb>>2]=(f[lb>>2]|0)+(f[jb+(kb<<2)>>2]|0);kb=kb+1|0}while((kb|0)!=(g|0));mb=(1<>0]|0))ob=(1<>2]|0;do if(S){f[hb>>2]=(f[hb>>2]|0)/(fb|0)|0;if(!na){ib=1;do{gb=hb+(ib<<2)|0;f[gb>>2]=(f[gb>>2]|0)/(fb|0)|0;ib=ib+1|0}while((ib|0)!=(g|0));ib=f[Z>>2]|0;if(S)pb=ib;else{qb=0;rb=ib;break}}else pb=f[Z>>2]|0;ib=0;gb=0;while(1){kb=(f[hb+(ib<<2)>>2]|0)-(f[Ba+(ib<<2)>>2]|0)|0;jb=((kb|0)>-1?kb:0-kb|0)+gb|0;f[Oa+(ib<<2)>>2]=kb;f[pb+(ib<<2)>>2]=kb<<1^kb>>31;ib=ib+1|0;if((ib|0)==(g|0)){qb=jb;rb=pb;break}else gb=jb}}else{qb=0;rb=f[Z>>2]|0}while(0);ho(j,_,rb,g);hb=Tk(j)|0;gb=I;ib=om(j)|0;jb=Tn(ib|0,I|0,hb|0,gb|0)|0;gb=I;if(oa){hb=Ma;ib=Tn(f[hb>>2]|0,f[hb+4>>2]|0,fb|0,0)|0;hb=Fa;kb=f[hb>>2]|0;lb=f[hb+4>>2]|0;Va=+W(+(+jm(kb,ib)*(+(kb>>>0)+4294967296.0*+(lb|0))));lb=Tn(jb|0,gb|0,~~Va>>>0|0,(+K(Va)>=1.0?(Va>0.0?~~+Y(+J(Va/4294967296.0),4294967295.0)>>>0:~~+W((Va-+(~~Va>>>0))/4294967296.0)>>>0):0)|0)|0;sb=lb}else sb=jb;jb=f[r>>2]|0;if(!((sb|0)>=(jb|0)?!((sb|0)<=(jb|0)?(qb|0)<(f[T>>2]|0):0):0)){jb=r;f[jb>>2]=sb;f[jb+4>>2]=qb;b[U>>0]=nb;f[V>>2]=fb;f[v>>2]=f[m>>2];f[w>>2]=f[E>>2];f[k>>2]=f[v>>2];f[j>>2]=f[w>>2];tf($,k,j);f[x>>2]=Aa;f[y>>2]=Na;f[k>>2]=f[x>>2];f[j>>2]=f[y>>2];tf(aa,k,j)}if(Pa)break;tb=b[Ea>>0]|0;jb=-1;lb=tb;while(1){gb=jb+-1|0;ub=Ga+gb|0;kb=lb;lb=b[ub>>0]|0;if((lb&255)<(kb&255))break;if((ub|0)==(n|0)){vb=86;break d}else jb=gb}gb=Ga+jb|0;if((lb&255)<(tb&255)){wb=Ea;xb=tb}else{kb=Ga;ib=Ea;while(1){hb=ib+-1|0;if((lb&255)<(h[kb+-2>>0]|0)){wb=hb;xb=1;break}else{yb=ib;ib=hb;kb=yb}}}b[ub>>0]=xb;b[wb>>0]=lb;if((jb|0)<-1){zb=gb;Ab=Ea}else continue;while(1){kb=b[zb>>0]|0;b[zb>>0]=b[Ab>>0]|0;b[Ab>>0]=kb;kb=zb+1|0;ib=Ab+-1|0;if(kb>>>0>>0){zb=kb;Ab=ib}else continue d}}if(((vb|0)==86?(vb=0,db):0)?(gb=b[n>>0]|0,b[n>>0]=tb,b[Ea>>0]=gb,La):0){gb=Ia;jb=la;do{lb=b[jb>>0]|0;b[jb>>0]=b[gb>>0]|0;b[gb>>0]=lb;jb=jb+1|0;gb=gb+-1|0}while(jb>>>0>>0)}if((fb|0)>=(Ha|0)){Xa=Ka;Ya=Oa;Za=Ka;_a=Oa;$a=Na;ab=Aa;bb=Oa;break}else fb=fb+1|0}}if(oa){fb=f[V>>2]|0;Oa=o+(Ha+-1<<3)|0;Aa=Oa;Na=Tn(f[Aa>>2]|0,f[Aa+4>>2]|0,fb|0,((fb|0)<0)<<31>>31|0)|0;fb=Oa;f[fb>>2]=Na;f[fb+4>>2]=I}if(S){fb=f[aa>>2]|0;Na=f[C>>2]|0;Oa=0;do{Aa=f[fb+(Oa<<2)>>2]|0;f[Na+(Oa<<2)>>2]=Aa<<1^Aa>>31;Oa=Oa+1|0}while((Oa|0)!=(g|0));Bb=Na}else Bb=f[C>>2]|0;go(j,_,Bb,g);if(oa){Na=Ha+-1|0;Cb=a+60+(Na*12|0)|0;Oa=a+60+(Na*12|0)+4|0;fb=a+60+(Na*12|0)+8|0;Na=0;do{Aa=f[Oa>>2]|0;Ka=f[fb>>2]|0;Ia=(Aa|0)==(Ka<<5|0);if(!(1<>0])){if(Ia){if((Aa+1|0)<0){vb=114;break b}La=Ka<<6;Ea=Aa+32&-32;hi(Cb,Aa>>>0<1073741823?(La>>>0>>0?Ea:La):2147483647);Db=f[Oa>>2]|0}else Db=Aa;f[Oa>>2]=Db+1;La=(f[Cb>>2]|0)+(Db>>>5<<2)|0;f[La>>2]=f[La>>2]|1<<(Db&31)}else{if(Ia){if((Aa+1|0)<0){vb=119;break b}Ia=Ka<<6;Ka=Aa+32&-32;hi(Cb,Aa>>>0<1073741823?(Ia>>>0>>0?Ka:Ia):2147483647);Eb=f[Oa>>2]|0}else Eb=Aa;f[Oa>>2]=Eb+1;Aa=(f[Cb>>2]|0)+(Eb>>>5<<2)|0;f[Aa>>2]=f[Aa>>2]&~(1<<(Eb&31))}Na=Na+1|0}while((Na|0)<(Ha|0))}Na=d+(Da<<2)|0;Oa=f[z>>2]|0;if((Oa|0)>0){fb=0;oa=f[$>>2]|0;Aa=Oa;while(1){if((Aa|0)>0){Oa=0;do{Ia=f[oa+(Oa<<2)>>2]|0;Ka=f[ba>>2]|0;if((Ia|0)>(Ka|0)){La=f[ca>>2]|0;f[La+(Oa<<2)>>2]=Ka;Fb=La}else{La=f[da>>2]|0;Ka=f[ca>>2]|0;f[Ka+(Oa<<2)>>2]=(Ia|0)<(La|0)?La:Ia;Fb=Ka}Oa=Oa+1|0}while((Oa|0)<(f[z>>2]|0));Gb=Fb}else Gb=f[ca>>2]|0;Oa=(f[Ba+(fb<<2)>>2]|0)-(f[Gb+(fb<<2)>>2]|0)|0;Ka=Na+(fb<<2)|0;f[Ka>>2]=Oa;do if((Oa|0)<(f[ea>>2]|0)){Hb=(f[fa>>2]|0)+Oa|0;vb=109}else{if((Oa|0)<=(f[ga>>2]|0))break;Hb=Oa-(f[fa>>2]|0)|0;vb=109}while(0);if((vb|0)==109){vb=0;f[Ka>>2]=Hb}fb=fb+1|0;Aa=f[z>>2]|0;if((fb|0)>=(Aa|0))break;else oa=Gb}}oa=f[ha>>2]|0;if(oa|0){Aa=f[ka>>2]|0;if((Aa|0)!=(oa|0))f[ka>>2]=Aa+(~((Aa+-4-oa|0)>>>2)<<2);br(oa)}oa=f[ia>>2]|0;if(oa|0){Aa=f[ja>>2]|0;if((Aa|0)!=(oa|0))f[ja>>2]=Aa+(~((Aa+-4-oa|0)>>>2)<<2);br(oa)}if((pa|0)<=2){Ib=_a;Jb=Za;break a}oa=f[B>>2]|0;ra=f[oa>>2]|0;Aa=qa+-1|0;if((f[oa+4>>2]|0)-ra>>2>>>0<=Aa>>>0){za=oa;vb=18;break}else{oa=qa;qa=Aa;sa=bb;ta=ab;ua=$a;va=_a;wa=Za;xa=Ya;ya=Xa;pa=oa}}if((vb|0)==18)mq(za);else if((vb|0)==114)mq(Cb);else if((vb|0)==119)mq(Cb)}else{Ib=M;Jb=N}while(0);N=f[l>>2]|0;if((g|0)>0?(f[N>>2]=0,(g|0)!=1):0){M=1;do{f[N+(M<<2)>>2]=0;M=M+1|0}while((M|0)!=(g|0))}g=f[z>>2]|0;if((g|0)>0){M=a+16|0;Cb=a+32|0;za=a+12|0;pa=a+28|0;Xa=a+20|0;ya=a+24|0;a=0;Ya=N;N=g;while(1){if((N|0)>0){g=0;do{xa=f[Ya+(g<<2)>>2]|0;Za=f[M>>2]|0;if((xa|0)>(Za|0)){wa=f[Cb>>2]|0;f[wa+(g<<2)>>2]=Za;Kb=wa}else{wa=f[za>>2]|0;Za=f[Cb>>2]|0;f[Za+(g<<2)>>2]=(xa|0)<(wa|0)?wa:xa;Kb=Za}g=g+1|0}while((g|0)<(f[z>>2]|0));Lb=Kb}else Lb=f[Cb>>2]|0;g=(f[c+(a<<2)>>2]|0)-(f[Lb+(a<<2)>>2]|0)|0;Za=d+(a<<2)|0;f[Za>>2]=g;if((g|0)>=(f[pa>>2]|0)){if((g|0)>(f[ya>>2]|0)){Mb=g-(f[Xa>>2]|0)|0;vb=145}}else{Mb=(f[Xa>>2]|0)+g|0;vb=145}if((vb|0)==145){vb=0;f[Za>>2]=Mb}a=a+1|0;N=f[z>>2]|0;if((a|0)>=(N|0))break;else Ya=Lb}}if(Ib|0){if((Jb|0)!=(Ib|0))f[H>>2]=Jb+(~((Jb+-4-Ib|0)>>>2)<<2);br(Ib)}Ib=f[m>>2]|0;if(Ib|0){m=f[E>>2]|0;if((m|0)!=(Ib|0))f[E>>2]=m+(~((m+-4-Ib|0)>>>2)<<2);br(Ib)}Ib=f[l+36>>2]|0;if(Ib|0){m=l+40|0;E=f[m>>2]|0;if((E|0)!=(Ib|0))f[m>>2]=E+(~((E+-4-Ib|0)>>>2)<<2);br(Ib)}Ib=f[l+24>>2]|0;if(Ib|0){E=l+28|0;m=f[E>>2]|0;if((m|0)!=(Ib|0))f[E>>2]=m+(~((m+-4-Ib|0)>>>2)<<2);br(Ib)}Ib=f[l+12>>2]|0;if(Ib|0){m=l+16|0;E=f[m>>2]|0;if((E|0)!=(Ib|0))f[m>>2]=E+(~((E+-4-Ib|0)>>>2)<<2);br(Ib)}Ib=f[l>>2]|0;if(!Ib){u=i;return 1}E=l+4|0;l=f[E>>2]|0;if((l|0)!=(Ib|0))f[E>>2]=l+(~((l+-4-Ib|0)>>>2)<<2);br(Ib);u=i;return 1}function cb(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;b=u;u=u+16|0;c=b;d=b+8|0;e=b+4|0;f[d>>2]=a;do if(a>>>0>=212){g=(a>>>0)/210|0;h=g*210|0;f[e>>2]=a-h;i=0;j=g;g=(zl(6640,6832,e,c)|0)-6640>>2;k=h;a:while(1){l=(f[6640+(g<<2)>>2]|0)+k|0;h=5;while(1){if(h>>>0>=47){m=211;n=i;o=8;break}p=f[6448+(h<<2)>>2]|0;q=(l>>>0)/(p>>>0)|0;if(q>>>0

>>0){o=106;break a}if((l|0)==(X(q,p)|0)){r=i;break}else h=h+1|0}b:do if((o|0)==8){c:while(1){o=0;h=(l>>>0)/(m>>>0)|0;do if(h>>>0>=m>>>0)if((l|0)!=(X(h,m)|0)){p=m+10|0;q=(l>>>0)/(p>>>0)|0;if(q>>>0>=p>>>0)if((l|0)!=(X(q,p)|0)){q=m+12|0;s=(l>>>0)/(q>>>0)|0;if(s>>>0>=q>>>0)if((l|0)!=(X(s,q)|0)){s=m+16|0;t=(l>>>0)/(s>>>0)|0;if(t>>>0>=s>>>0)if((l|0)!=(X(t,s)|0)){t=m+18|0;v=(l>>>0)/(t>>>0)|0;if(v>>>0>=t>>>0)if((l|0)!=(X(v,t)|0)){v=m+22|0;w=(l>>>0)/(v>>>0)|0;if(w>>>0>=v>>>0)if((l|0)!=(X(w,v)|0)){w=m+28|0;x=(l>>>0)/(w>>>0)|0;if(x>>>0>=w>>>0)if((l|0)==(X(x,w)|0)){y=w;z=9;A=n}else{x=m+30|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+36|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+40|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+42|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+46|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+52|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+58|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+60|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+66|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+70|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+72|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+78|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+82|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+88|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+96|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+100|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+102|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+106|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+108|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+112|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+120|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+126|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+130|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+136|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+138|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+142|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+148|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+150|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+156|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+162|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+166|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+168|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+172|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+178|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+180|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+186|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+190|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+192|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+196|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+198|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+208|0;B=(l>>>0)/(x>>>0)|0;C=B>>>0>>0;D=(l|0)==(X(B,x)|0);y=C|D?x:m+210|0;z=C?1:D?9:0;A=C?l:n}else{y=w;z=1;A=l}}else{y=v;z=9;A=n}else{y=v;z=1;A=l}}else{y=t;z=9;A=n}else{y=t;z=1;A=l}}else{y=s;z=9;A=n}else{y=s;z=1;A=l}}else{y=q;z=9;A=n}else{y=q;z=1;A=l}}else{y=p;z=9;A=n}else{y=p;z=1;A=l}}else{y=m;z=9;A=n}else{y=m;z=1;A=l}while(0);switch(z&15){case 9:{r=A;break b;break}case 0:{m=y;n=A;o=8;break}default:break c}}if(!z)r=A;else{o=107;break a}}while(0);h=g+1|0;p=(h|0)==48;q=j+(p&1)|0;i=r;j=q;g=p?0:h;k=q*210|0}if((o|0)==106){f[d>>2]=l;E=l;break}else if((o|0)==107){f[d>>2]=l;E=A;break}}else{k=zl(6448,6640,d,c)|0;E=f[k>>2]|0}while(0);u=b;return E|0}function db(a,c,d,e,g,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0.0,Ua=0,Va=0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0;i=u;u=u+256|0;e=i+104|0;j=i+240|0;k=i+224|0;l=i+160|0;m=i+140|0;n=i+248|0;o=i+72|0;p=i+40|0;q=i+128|0;r=i;s=i+232|0;t=i+220|0;v=i+216|0;w=i+212|0;x=i+208|0;y=i+152|0;z=f[a+28>>2]|0;A=f[a+32>>2]|0;B=l;C=B+48|0;do{f[B>>2]=0;B=B+4|0}while((B|0)<(C|0));if(!g){D=0;E=0}else{oi(l,g);D=f[l+12>>2]|0;E=f[l+16>>2]|0}B=l+16|0;C=E-D>>2;F=D;D=E;if(C>>>0>=g>>>0){if(C>>>0>g>>>0?(E=F+(g<<2)|0,(E|0)!=(D|0)):0)f[B>>2]=D+(~((D+-4-E|0)>>>2)<<2)}else oi(l+12|0,g-C|0);C=l+24|0;E=l+28|0;D=f[E>>2]|0;B=f[C>>2]|0;F=D-B>>2;G=B;B=D;if(F>>>0>=g>>>0){if(F>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[E>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else oi(C,g-F|0);F=l+36|0;C=l+40|0;D=f[C>>2]|0;B=f[F>>2]|0;E=D-B>>2;G=B;B=D;if(E>>>0>=g>>>0){if(E>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[C>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else oi(F,g-E|0);f[m>>2]=0;E=m+4|0;f[E>>2]=0;f[m+8>>2]=0;F=(g|0)==0;do if(!F)if(g>>>0>1073741823)mq(m);else{D=g<<2;B=dn(D)|0;f[m>>2]=B;C=B+(g<<2)|0;f[m+8>>2]=C;hj(B|0,0,D|0)|0;f[E>>2]=C;break}while(0);C=a+136|0;D=a+140|0;B=f[D>>2]|0;G=f[C>>2]|0;H=B-G>>2;L=G;G=B;if(H>>>0>=g>>>0){if(H>>>0>g>>>0?(B=L+(g<<2)|0,(B|0)!=(G|0)):0)f[D>>2]=G+(~((G+-4-B|0)>>>2)<<2)}else oi(C,g-H|0);f[o>>2]=0;f[o+4>>2]=0;f[o+8>>2]=0;f[o+12>>2]=0;f[o+16>>2]=0;f[o+20>>2]=0;f[o+24>>2]=0;f[o+28>>2]=0;f[p>>2]=0;f[p+4>>2]=0;f[p+8>>2]=0;f[p+12>>2]=0;f[p+16>>2]=0;f[p+20>>2]=0;f[p+24>>2]=0;f[p+28>>2]=0;f[q>>2]=0;H=q+4|0;f[H>>2]=0;f[q+8>>2]=0;if(F){M=0;N=0;O=0;P=0}else{F=g<<2;B=dn(F)|0;f[q>>2]=B;G=B+(g<<2)|0;f[q+8>>2]=G;hj(B|0,0,F|0)|0;f[H>>2]=G;M=B;N=G;O=G;P=B}B=a+36|0;G=f[B>>2]|0;F=f[G+4>>2]|0;D=f[G>>2]|0;L=F-D|0;a:do if((L|0)>4){Q=L>>>2;R=z+64|0;S=z+28|0;T=(g|0)>0;U=r+4|0;V=r+8|0;Z=r+12|0;_=a+136|0;$=a+96|0;aa=r+16|0;ba=r+28|0;ca=a+8|0;da=j+4|0;ea=k+4|0;fa=e+4|0;ga=r+28|0;ha=r+16|0;ia=r+20|0;ja=r+32|0;ka=n+1|0;la=g<<2;ma=(g|0)==1;na=Q+-1|0;if(F-D>>2>>>0>na>>>0){oa=Q;pa=na;qa=D;ra=M;sa=P;ta=O;ua=M;va=N;wa=M;xa=N}else{ya=G;mq(ya)}b:while(1){na=f[qa+(pa<<2)>>2]|0;Q=(((na>>>0)%3|0|0)==0?2:-1)+na|0;za=Q>>>5;Aa=1<<(Q&31);Ba=(na|0)==-1|(Q|0)==-1;Ca=1;Da=0;Ea=na;c:while(1){Fa=Ca^1;Ga=Da;Ha=Ea;while(1){if((Ha|0)==-1){Ia=Ga;break c}Ja=f[l+(Ga*12|0)>>2]|0;if(((f[(f[z>>2]|0)+(Ha>>>5<<2)>>2]&1<<(Ha&31)|0)==0?(Ka=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ha<<2)>>2]|0,(Ka|0)!=-1):0)?(La=f[S>>2]|0,Ma=f[A>>2]|0,Na=f[Ma+(f[La+(Ka<<2)>>2]<<2)>>2]|0,Oa=Ka+1|0,Pa=f[Ma+(f[La+((((Oa>>>0)%3|0|0)==0?Ka+-2|0:Oa)<<2)>>2]<<2)>>2]|0,Oa=f[Ma+(f[La+((((Ka>>>0)%3|0|0)==0?2:-1)+Ka<<2)>>2]<<2)>>2]|0,(Na|0)<(pa|0)&(Pa|0)<(pa|0)&(Oa|0)<(pa|0)):0){Ka=X(Na,g)|0;Na=X(Pa,g)|0;Pa=X(Oa,g)|0;if(T){Oa=0;do{f[Ja+(Oa<<2)>>2]=(f[c+(Oa+Pa<<2)>>2]|0)+(f[c+(Oa+Na<<2)>>2]|0)-(f[c+(Oa+Ka<<2)>>2]|0);Oa=Oa+1|0}while((Oa|0)!=(g|0))}Oa=Ga+1|0;if((Oa|0)==4){Ia=4;break c}else Qa=Oa}else Qa=Ga;do if(Ca){Oa=Ha+1|0;Ka=((Oa>>>0)%3|0|0)==0?Ha+-2|0:Oa;if(((Ka|0)!=-1?(f[(f[z>>2]|0)+(Ka>>>5<<2)>>2]&1<<(Ka&31)|0)==0:0)?(Oa=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ka<<2)>>2]|0,Ka=Oa+1|0,(Oa|0)!=-1):0)Ra=((Ka>>>0)%3|0|0)==0?Oa+-2|0:Ka;else Ra=-1}else{Ka=(((Ha>>>0)%3|0|0)==0?2:-1)+Ha|0;if(((Ka|0)!=-1?(f[(f[z>>2]|0)+(Ka>>>5<<2)>>2]&1<<(Ka&31)|0)==0:0)?(Oa=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ka<<2)>>2]|0,(Oa|0)!=-1):0)if(!((Oa>>>0)%3|0)){Ra=Oa+2|0;break}else{Ra=Oa+-1|0;break}else Ra=-1}while(0);if((Ra|0)==(na|0)){Ia=Qa;break c}if((Ra|0)!=-1|Fa){Ga=Qa;Ha=Ra}else break}if(Ba){Ca=0;Da=Qa;Ea=-1;continue}if(f[(f[z>>2]|0)+(za<<2)>>2]&Aa|0){Ca=0;Da=Qa;Ea=-1;continue}Ha=f[(f[(f[R>>2]|0)+12>>2]|0)+(Q<<2)>>2]|0;if((Ha|0)==-1){Ca=0;Da=Qa;Ea=-1;continue}if(!((Ha>>>0)%3|0)){Ca=0;Da=Qa;Ea=Ha+2|0;continue}else{Ca=0;Da=Qa;Ea=Ha+-1|0;continue}}Ea=X(pa,g)|0;f[r>>2]=0;f[U>>2]=0;b[V>>0]=0;f[Z>>2]=0;f[Z+4>>2]=0;f[Z+8>>2]=0;f[Z+12>>2]=0;f[Z+16>>2]=0;f[Z+20>>2]=0;f[Z+24>>2]=0;Da=c+((X(oa+-2|0,g)|0)<<2)|0;Ca=c+(Ea<<2)|0;Q=f[_>>2]|0;if(T){Aa=0;za=0;while(1){Ba=(f[Da+(Aa<<2)>>2]|0)-(f[Ca+(Aa<<2)>>2]|0)|0;na=((Ba|0)>-1?Ba:0-Ba|0)+za|0;f[ra+(Aa<<2)>>2]=Ba;f[Q+(Aa<<2)>>2]=Ba<<1^Ba>>31;Aa=Aa+1|0;if((Aa|0)==(g|0)){Sa=na;break}else za=na}}else Sa=0;ho(e,$,Q,g);za=Tk(e)|0;Aa=I;na=om(e)|0;Ba=Tn(na|0,I|0,za|0,Aa|0)|0;Aa=I;za=(Ia|0)>0;if(za){na=Ia+-1|0;Ha=p+(na<<3)|0;Ga=Ha;Fa=Tn(f[Ga>>2]|0,f[Ga+4>>2]|0,Ia|0,((Ia|0)<0)<<31>>31|0)|0;Ga=I;Oa=Ha;f[Oa>>2]=Fa;f[Oa+4>>2]=Ga;Ta=+W(+(+jm(Fa,f[o+(na<<3)>>2]|0)*(+(Fa>>>0)+4294967296.0*+(Ga|0))));Ga=Tn(Ba|0,Aa|0,~~Ta>>>0|0,(+K(Ta)>=1.0?(Ta>0.0?~~+Y(+J(Ta/4294967296.0),4294967295.0)>>>0:~~+W((Ta-+(~~Ta>>>0))/4294967296.0)>>>0):0)|0)|0;Ua=Ga}else Ua=Ba;Ba=r;f[Ba>>2]=Ua;f[Ba+4>>2]=Sa;b[V>>0]=0;f[Z>>2]=0;Mf(aa,Da,Da+(g<<2)|0);f[s>>2]=sa;f[t>>2]=ta;f[j>>2]=f[s>>2];f[e>>2]=f[t>>2];tf(ba,j,e);if((Ia|0)<1){Va=xa;Wa=wa;Xa=va;Ya=ua;Za=ta;_a=sa;$a=sa}else{Ba=n+Ia|0;Ga=f[q>>2]|0;Aa=Ia+-1|0;Fa=o+(Aa<<3)|0;na=p+(Aa<<3)|0;Aa=Ga;Oa=f[H>>2]|0;Ha=Ba+-1|0;Ka=(Ha|0)==(n|0);Na=Ba+-2|0;Pa=ka>>>0>>0;Ja=~Ia;La=Ia+2+((Ja|0)>-2?Ja:-2)|0;Ja=Oa;Ma=Ha>>>0>n>>>0;ab=0;bb=1;while(1){ab=ab+1|0;hj(n|0,1,La|0)|0;hj(n|0,0,ab|0)|0;d:while(1){if(T){hj(f[m>>2]|0,0,la|0)|0;cb=f[m>>2]|0;db=0;eb=0;while(1){if(!(b[n+db>>0]|0)){fb=f[l+(db*12|0)>>2]|0;gb=0;do{hb=cb+(gb<<2)|0;f[hb>>2]=(f[hb>>2]|0)+(f[fb+(gb<<2)>>2]|0);gb=gb+1|0}while((gb|0)!=(g|0));ib=(1<>0]|0))kb=(1<>2]|0;do if(T){f[db>>2]=(f[db>>2]|0)/(bb|0)|0;if(!ma){eb=1;do{cb=db+(eb<<2)|0;f[cb>>2]=(f[cb>>2]|0)/(bb|0)|0;eb=eb+1|0}while((eb|0)!=(g|0));eb=f[_>>2]|0;if(T)lb=eb;else{mb=0;nb=eb;break}}else lb=f[_>>2]|0;eb=0;cb=0;while(1){gb=(f[db+(eb<<2)>>2]|0)-(f[Ca+(eb<<2)>>2]|0)|0;fb=((gb|0)>-1?gb:0-gb|0)+cb|0;f[Ga+(eb<<2)>>2]=gb;f[lb+(eb<<2)>>2]=gb<<1^gb>>31;eb=eb+1|0;if((eb|0)==(g|0)){mb=fb;nb=lb;break}else cb=fb}}else{mb=0;nb=f[_>>2]|0}while(0);ho(e,$,nb,g);db=Tk(e)|0;cb=I;eb=om(e)|0;fb=Tn(eb|0,I|0,db|0,cb|0)|0;cb=I;if(za){db=Fa;eb=Tn(f[db>>2]|0,f[db+4>>2]|0,bb|0,0)|0;db=na;gb=f[db>>2]|0;hb=f[db+4>>2]|0;Ta=+W(+(+jm(gb,eb)*(+(gb>>>0)+4294967296.0*+(hb|0))));hb=Tn(fb|0,cb|0,~~Ta>>>0|0,(+K(Ta)>=1.0?(Ta>0.0?~~+Y(+J(Ta/4294967296.0),4294967295.0)>>>0:~~+W((Ta-+(~~Ta>>>0))/4294967296.0)>>>0):0)|0)|0;ob=hb}else ob=fb;fb=f[r>>2]|0;if(!((ob|0)>=(fb|0)?!((ob|0)<=(fb|0)?(mb|0)<(f[U>>2]|0):0):0)){fb=r;f[fb>>2]=ob;f[fb+4>>2]=mb;b[V>>0]=jb;f[Z>>2]=bb;f[v>>2]=f[m>>2];f[w>>2]=f[E>>2];f[j>>2]=f[v>>2];f[e>>2]=f[w>>2];tf(aa,j,e);f[x>>2]=Aa;f[y>>2]=Oa;f[j>>2]=f[x>>2];f[e>>2]=f[y>>2];tf(ba,j,e)}if(Ka)break;pb=b[Ha>>0]|0;fb=-1;hb=pb;while(1){cb=fb+-1|0;qb=Ba+cb|0;gb=hb;hb=b[qb>>0]|0;if((hb&255)<(gb&255))break;if((qb|0)==(n|0)){rb=86;break d}else fb=cb}cb=Ba+fb|0;if((hb&255)<(pb&255)){sb=Ha;tb=pb}else{gb=Ba;eb=Ha;while(1){db=eb+-1|0;if((hb&255)<(h[gb+-2>>0]|0)){sb=db;tb=1;break}else{ub=eb;eb=db;gb=ub}}}b[qb>>0]=tb;b[sb>>0]=hb;if((fb|0)<-1){vb=cb;wb=Ha}else continue;while(1){gb=b[vb>>0]|0;b[vb>>0]=b[wb>>0]|0;b[wb>>0]=gb;gb=vb+1|0;eb=wb+-1|0;if(gb>>>0>>0){vb=gb;wb=eb}else continue d}}if(((rb|0)==86?(rb=0,Ma):0)?(cb=b[n>>0]|0,b[n>>0]=pb,b[Ha>>0]=cb,Pa):0){cb=Na;fb=ka;do{hb=b[fb>>0]|0;b[fb>>0]=b[cb>>0]|0;b[cb>>0]=hb;fb=fb+1|0;cb=cb+-1|0}while(fb>>>0>>0)}if((bb|0)>=(Ia|0)){Va=Ja;Wa=Ga;Xa=Ja;Ya=Ga;Za=Oa;_a=Aa;$a=Ga;break}else bb=bb+1|0}}if(za){bb=f[Z>>2]|0;Ga=o+(Ia+-1<<3)|0;Aa=Ga;Oa=Tn(f[Aa>>2]|0,f[Aa+4>>2]|0,bb|0,((bb|0)<0)<<31>>31|0)|0;bb=Ga;f[bb>>2]=Oa;f[bb+4>>2]=I}if(T){bb=f[ba>>2]|0;Oa=f[C>>2]|0;Ga=0;do{Aa=f[bb+(Ga<<2)>>2]|0;f[Oa+(Ga<<2)>>2]=Aa<<1^Aa>>31;Ga=Ga+1|0}while((Ga|0)!=(g|0));xb=Oa}else xb=f[C>>2]|0;go(e,$,xb,g);if(za){Oa=Ia+-1|0;yb=a+40+(Oa*12|0)|0;Ga=a+40+(Oa*12|0)+4|0;bb=a+40+(Oa*12|0)+8|0;Oa=0;do{Aa=f[Ga>>2]|0;Ja=f[bb>>2]|0;Na=(Aa|0)==(Ja<<5|0);if(!(1<>0])){if(Na){if((Aa+1|0)<0){rb=101;break b}Pa=Ja<<6;Ha=Aa+32&-32;hi(yb,Aa>>>0<1073741823?(Pa>>>0>>0?Ha:Pa):2147483647);zb=f[Ga>>2]|0}else zb=Aa;f[Ga>>2]=zb+1;Pa=(f[yb>>2]|0)+(zb>>>5<<2)|0;f[Pa>>2]=f[Pa>>2]|1<<(zb&31)}else{if(Na){if((Aa+1|0)<0){rb=106;break b}Na=Ja<<6;Ja=Aa+32&-32;hi(yb,Aa>>>0<1073741823?(Na>>>0>>0?Ja:Na):2147483647);Ab=f[Ga>>2]|0}else Ab=Aa;f[Ga>>2]=Ab+1;Aa=(f[yb>>2]|0)+(Ab>>>5<<2)|0;f[Aa>>2]=f[Aa>>2]&~(1<<(Ab&31))}Oa=Oa+1|0}while((Oa|0)<(Ia|0))}Oa=f[aa>>2]|0;Ga=d+(Ea<<2)|0;bb=f[Ca+4>>2]|0;za=f[Oa>>2]|0;Aa=f[Oa+4>>2]|0;f[j>>2]=f[Ca>>2];f[da>>2]=bb;f[k>>2]=za;f[ea>>2]=Aa;Dd(e,ca,j,k);f[Ga>>2]=f[e>>2];f[Ga+4>>2]=f[fa>>2];Ga=f[ga>>2]|0;if(Ga|0){Aa=f[ja>>2]|0;if((Aa|0)!=(Ga|0))f[ja>>2]=Aa+(~((Aa+-4-Ga|0)>>>2)<<2);br(Ga)}Ga=f[ha>>2]|0;if(Ga|0){Aa=f[ia>>2]|0;if((Aa|0)!=(Ga|0))f[ia>>2]=Aa+(~((Aa+-4-Ga|0)>>>2)<<2);br(Ga)}if((oa|0)<=2){Bb=Ya;Cb=Xa;break a}Ga=f[B>>2]|0;qa=f[Ga>>2]|0;Aa=pa+-1|0;if((f[Ga+4>>2]|0)-qa>>2>>>0<=Aa>>>0){ya=Ga;rb=18;break}else{Ga=pa;pa=Aa;ra=$a;sa=_a;ta=Za;ua=Ya;va=Xa;wa=Wa;xa=Va;oa=Ga}}if((rb|0)==18)mq(ya);else if((rb|0)==101)mq(yb);else if((rb|0)==106)mq(yb)}else{Bb=M;Cb=N}while(0);if((g|0)>0)hj(f[l>>2]|0,0,g<<2|0)|0;g=f[l>>2]|0;N=f[c+4>>2]|0;M=f[g>>2]|0;yb=f[g+4>>2]|0;f[j>>2]=f[c>>2];f[j+4>>2]=N;f[k>>2]=M;f[k+4>>2]=yb;Dd(e,a+8|0,j,k);f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];if(Bb|0){if((Cb|0)!=(Bb|0))f[H>>2]=Cb+(~((Cb+-4-Bb|0)>>>2)<<2);br(Bb)}Bb=f[m>>2]|0;if(Bb|0){m=f[E>>2]|0;if((m|0)!=(Bb|0))f[E>>2]=m+(~((m+-4-Bb|0)>>>2)<<2);br(Bb)}Bb=f[l+36>>2]|0;if(Bb|0){m=l+40|0;E=f[m>>2]|0;if((E|0)!=(Bb|0))f[m>>2]=E+(~((E+-4-Bb|0)>>>2)<<2);br(Bb)}Bb=f[l+24>>2]|0;if(Bb|0){E=l+28|0;m=f[E>>2]|0;if((m|0)!=(Bb|0))f[E>>2]=m+(~((m+-4-Bb|0)>>>2)<<2);br(Bb)}Bb=f[l+12>>2]|0;if(Bb|0){m=l+16|0;E=f[m>>2]|0;if((E|0)!=(Bb|0))f[m>>2]=E+(~((E+-4-Bb|0)>>>2)<<2);br(Bb)}Bb=f[l>>2]|0;if(!Bb){u=i;return 1}E=l+4|0;l=f[E>>2]|0;if((l|0)!=(Bb|0))f[E>>2]=l+(~((l+-4-Bb|0)>>>2)<<2);br(Bb);u=i;return 1}function eb(a,c,d,e,g,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0.0,Ua=0,Va=0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0;i=u;u=u+256|0;e=i+104|0;j=i+240|0;k=i+224|0;l=i+160|0;m=i+140|0;n=i+248|0;o=i+72|0;p=i+40|0;q=i+128|0;r=i;s=i+232|0;t=i+220|0;v=i+216|0;w=i+212|0;x=i+208|0;y=i+152|0;z=f[a+28>>2]|0;A=f[a+32>>2]|0;B=l;C=B+48|0;do{f[B>>2]=0;B=B+4|0}while((B|0)<(C|0));if(!g){D=0;E=0}else{oi(l,g);D=f[l+12>>2]|0;E=f[l+16>>2]|0}B=l+16|0;C=E-D>>2;F=D;D=E;if(C>>>0>=g>>>0){if(C>>>0>g>>>0?(E=F+(g<<2)|0,(E|0)!=(D|0)):0)f[B>>2]=D+(~((D+-4-E|0)>>>2)<<2)}else oi(l+12|0,g-C|0);C=l+24|0;E=l+28|0;D=f[E>>2]|0;B=f[C>>2]|0;F=D-B>>2;G=B;B=D;if(F>>>0>=g>>>0){if(F>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[E>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else oi(C,g-F|0);F=l+36|0;C=l+40|0;D=f[C>>2]|0;B=f[F>>2]|0;E=D-B>>2;G=B;B=D;if(E>>>0>=g>>>0){if(E>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[C>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else oi(F,g-E|0);f[m>>2]=0;E=m+4|0;f[E>>2]=0;f[m+8>>2]=0;F=(g|0)==0;do if(!F)if(g>>>0>1073741823)mq(m);else{D=g<<2;B=dn(D)|0;f[m>>2]=B;C=B+(g<<2)|0;f[m+8>>2]=C;hj(B|0,0,D|0)|0;f[E>>2]=C;break}while(0);C=a+136|0;D=a+140|0;B=f[D>>2]|0;G=f[C>>2]|0;H=B-G>>2;L=G;G=B;if(H>>>0>=g>>>0){if(H>>>0>g>>>0?(B=L+(g<<2)|0,(B|0)!=(G|0)):0)f[D>>2]=G+(~((G+-4-B|0)>>>2)<<2)}else oi(C,g-H|0);f[o>>2]=0;f[o+4>>2]=0;f[o+8>>2]=0;f[o+12>>2]=0;f[o+16>>2]=0;f[o+20>>2]=0;f[o+24>>2]=0;f[o+28>>2]=0;f[p>>2]=0;f[p+4>>2]=0;f[p+8>>2]=0;f[p+12>>2]=0;f[p+16>>2]=0;f[p+20>>2]=0;f[p+24>>2]=0;f[p+28>>2]=0;f[q>>2]=0;H=q+4|0;f[H>>2]=0;f[q+8>>2]=0;if(F){M=0;N=0;O=0;P=0}else{F=g<<2;B=dn(F)|0;f[q>>2]=B;G=B+(g<<2)|0;f[q+8>>2]=G;hj(B|0,0,F|0)|0;f[H>>2]=G;M=B;N=G;O=G;P=B}B=a+36|0;G=f[B>>2]|0;F=f[G+4>>2]|0;D=f[G>>2]|0;L=F-D|0;a:do if((L|0)>4){Q=L>>>2;R=z+12|0;S=(g|0)>0;T=r+4|0;U=r+8|0;V=r+12|0;Z=a+136|0;_=a+96|0;$=r+16|0;aa=r+28|0;ba=a+8|0;ca=j+4|0;da=k+4|0;ea=e+4|0;fa=r+28|0;ga=r+16|0;ha=r+20|0;ia=r+32|0;ja=n+1|0;ka=g<<2;la=(g|0)==1;ma=Q+-1|0;if(F-D>>2>>>0>ma>>>0){na=Q;oa=ma;pa=M;qa=P;ra=O;sa=M;ta=N;ua=M;va=N;wa=D}else{xa=G;mq(xa)}b:while(1){ma=f[wa+(oa<<2)>>2]|0;Q=(((ma>>>0)%3|0|0)==0?2:-1)+ma|0;ya=(ma|0)==-1|(Q|0)==-1;za=1;Aa=0;Ba=ma;c:while(1){Ca=za^1;Da=Aa;Ea=Ba;while(1){if((Ea|0)==-1){Fa=Da;break c}Ga=f[l+(Da*12|0)>>2]|0;Ha=f[R>>2]|0;Ia=f[Ha+(Ea<<2)>>2]|0;if((Ia|0)!=-1){Ja=f[z>>2]|0;Ka=f[A>>2]|0;La=f[Ka+(f[Ja+(Ia<<2)>>2]<<2)>>2]|0;Ma=Ia+1|0;Na=((Ma>>>0)%3|0|0)==0?Ia+-2|0:Ma;if((Na|0)==-1)Oa=-1;else Oa=f[Ja+(Na<<2)>>2]|0;Na=f[Ka+(Oa<<2)>>2]|0;Ma=(((Ia>>>0)%3|0|0)==0?2:-1)+Ia|0;if((Ma|0)==-1)Pa=-1;else Pa=f[Ja+(Ma<<2)>>2]|0;Ma=f[Ka+(Pa<<2)>>2]|0;if((La|0)<(oa|0)&(Na|0)<(oa|0)&(Ma|0)<(oa|0)){Ka=X(La,g)|0;La=X(Na,g)|0;Na=X(Ma,g)|0;if(S){Ma=0;do{f[Ga+(Ma<<2)>>2]=(f[c+(Ma+Na<<2)>>2]|0)+(f[c+(Ma+La<<2)>>2]|0)-(f[c+(Ma+Ka<<2)>>2]|0);Ma=Ma+1|0}while((Ma|0)!=(g|0))}Ma=Da+1|0;if((Ma|0)==4){Fa=4;break c}else Qa=Ma}else Qa=Da}else Qa=Da;do if(za){Ma=Ea+1|0;Ka=((Ma>>>0)%3|0|0)==0?Ea+-2|0:Ma;if((Ka|0)!=-1?(Ma=f[Ha+(Ka<<2)>>2]|0,Ka=Ma+1|0,(Ma|0)!=-1):0)Ra=((Ka>>>0)%3|0|0)==0?Ma+-2|0:Ka;else Ra=-1}else{Ka=(((Ea>>>0)%3|0|0)==0?2:-1)+Ea|0;if((Ka|0)!=-1?(Ma=f[Ha+(Ka<<2)>>2]|0,(Ma|0)!=-1):0)if(!((Ma>>>0)%3|0)){Ra=Ma+2|0;break}else{Ra=Ma+-1|0;break}else Ra=-1}while(0);if((Ra|0)==(ma|0)){Fa=Qa;break c}if((Ra|0)!=-1|Ca){Da=Qa;Ea=Ra}else break}if(ya){za=0;Aa=Qa;Ba=-1;continue}Ea=f[Ha+(Q<<2)>>2]|0;if((Ea|0)==-1){za=0;Aa=Qa;Ba=-1;continue}if(!((Ea>>>0)%3|0)){za=0;Aa=Qa;Ba=Ea+2|0;continue}else{za=0;Aa=Qa;Ba=Ea+-1|0;continue}}Ba=X(oa,g)|0;f[r>>2]=0;f[T>>2]=0;b[U>>0]=0;f[V>>2]=0;f[V+4>>2]=0;f[V+8>>2]=0;f[V+12>>2]=0;f[V+16>>2]=0;f[V+20>>2]=0;f[V+24>>2]=0;Aa=c+((X(na+-2|0,g)|0)<<2)|0;za=c+(Ba<<2)|0;Q=f[Z>>2]|0;if(S){ya=0;ma=0;while(1){Ea=(f[Aa+(ya<<2)>>2]|0)-(f[za+(ya<<2)>>2]|0)|0;Da=((Ea|0)>-1?Ea:0-Ea|0)+ma|0;f[pa+(ya<<2)>>2]=Ea;f[Q+(ya<<2)>>2]=Ea<<1^Ea>>31;ya=ya+1|0;if((ya|0)==(g|0)){Sa=Da;break}else ma=Da}}else Sa=0;ho(e,_,Q,g);ma=Tk(e)|0;ya=I;Da=om(e)|0;Ea=Tn(Da|0,I|0,ma|0,ya|0)|0;ya=I;ma=(Fa|0)>0;if(ma){Da=Fa+-1|0;Ca=p+(Da<<3)|0;Ma=Ca;Ka=Tn(f[Ma>>2]|0,f[Ma+4>>2]|0,Fa|0,((Fa|0)<0)<<31>>31|0)|0;Ma=I;La=Ca;f[La>>2]=Ka;f[La+4>>2]=Ma;Ta=+W(+(+jm(Ka,f[o+(Da<<3)>>2]|0)*(+(Ka>>>0)+4294967296.0*+(Ma|0))));Ma=Tn(Ea|0,ya|0,~~Ta>>>0|0,(+K(Ta)>=1.0?(Ta>0.0?~~+Y(+J(Ta/4294967296.0),4294967295.0)>>>0:~~+W((Ta-+(~~Ta>>>0))/4294967296.0)>>>0):0)|0)|0;Ua=Ma}else Ua=Ea;Ea=r;f[Ea>>2]=Ua;f[Ea+4>>2]=Sa;b[U>>0]=0;f[V>>2]=0;Mf($,Aa,Aa+(g<<2)|0);f[s>>2]=qa;f[t>>2]=ra;f[j>>2]=f[s>>2];f[e>>2]=f[t>>2];tf(aa,j,e);if((Fa|0)<1){Va=va;Wa=ua;Xa=ta;Ya=sa;Za=ra;_a=qa;$a=qa}else{Ea=n+Fa|0;Ma=f[q>>2]|0;ya=Fa+-1|0;Ka=o+(ya<<3)|0;Da=p+(ya<<3)|0;ya=Ma;La=f[H>>2]|0;Ca=Ea+-1|0;Na=(Ca|0)==(n|0);Ga=Ea+-2|0;Ja=ja>>>0>>0;Ia=~Fa;ab=Fa+2+((Ia|0)>-2?Ia:-2)|0;Ia=La;bb=Ca>>>0>n>>>0;cb=0;db=1;while(1){cb=cb+1|0;hj(n|0,1,ab|0)|0;hj(n|0,0,cb|0)|0;d:while(1){if(S){hj(f[m>>2]|0,0,ka|0)|0;eb=f[m>>2]|0;fb=0;gb=0;while(1){if(!(b[n+fb>>0]|0)){hb=f[l+(fb*12|0)>>2]|0;ib=0;do{jb=eb+(ib<<2)|0;f[jb>>2]=(f[jb>>2]|0)+(f[hb+(ib<<2)>>2]|0);ib=ib+1|0}while((ib|0)!=(g|0));kb=(1<>0]|0))mb=(1<>2]|0;do if(S){f[fb>>2]=(f[fb>>2]|0)/(db|0)|0;if(!la){gb=1;do{eb=fb+(gb<<2)|0;f[eb>>2]=(f[eb>>2]|0)/(db|0)|0;gb=gb+1|0}while((gb|0)!=(g|0));gb=f[Z>>2]|0;if(S)nb=gb;else{ob=0;pb=gb;break}}else nb=f[Z>>2]|0;gb=0;eb=0;while(1){ib=(f[fb+(gb<<2)>>2]|0)-(f[za+(gb<<2)>>2]|0)|0;hb=((ib|0)>-1?ib:0-ib|0)+eb|0;f[Ma+(gb<<2)>>2]=ib;f[nb+(gb<<2)>>2]=ib<<1^ib>>31;gb=gb+1|0;if((gb|0)==(g|0)){ob=hb;pb=nb;break}else eb=hb}}else{ob=0;pb=f[Z>>2]|0}while(0);ho(e,_,pb,g);fb=Tk(e)|0;eb=I;gb=om(e)|0;hb=Tn(gb|0,I|0,fb|0,eb|0)|0;eb=I;if(ma){fb=Ka;gb=Tn(f[fb>>2]|0,f[fb+4>>2]|0,db|0,0)|0;fb=Da;ib=f[fb>>2]|0;jb=f[fb+4>>2]|0;Ta=+W(+(+jm(ib,gb)*(+(ib>>>0)+4294967296.0*+(jb|0))));jb=Tn(hb|0,eb|0,~~Ta>>>0|0,(+K(Ta)>=1.0?(Ta>0.0?~~+Y(+J(Ta/4294967296.0),4294967295.0)>>>0:~~+W((Ta-+(~~Ta>>>0))/4294967296.0)>>>0):0)|0)|0;qb=jb}else qb=hb;hb=f[r>>2]|0;if(!((qb|0)>=(hb|0)?!((qb|0)<=(hb|0)?(ob|0)<(f[T>>2]|0):0):0)){hb=r;f[hb>>2]=qb;f[hb+4>>2]=ob;b[U>>0]=lb;f[V>>2]=db;f[v>>2]=f[m>>2];f[w>>2]=f[E>>2];f[j>>2]=f[v>>2];f[e>>2]=f[w>>2];tf($,j,e);f[x>>2]=ya;f[y>>2]=La;f[j>>2]=f[x>>2];f[e>>2]=f[y>>2];tf(aa,j,e)}if(Na)break;rb=b[Ca>>0]|0;hb=-1;jb=rb;while(1){eb=hb+-1|0;sb=Ea+eb|0;ib=jb;jb=b[sb>>0]|0;if((jb&255)<(ib&255))break;if((sb|0)==(n|0)){tb=86;break d}else hb=eb}eb=Ea+hb|0;if((jb&255)<(rb&255)){ub=Ca;vb=rb}else{ib=Ea;gb=Ca;while(1){fb=gb+-1|0;if((jb&255)<(h[ib+-2>>0]|0)){ub=fb;vb=1;break}else{wb=gb;gb=fb;ib=wb}}}b[sb>>0]=vb;b[ub>>0]=jb;if((hb|0)<-1){xb=eb;yb=Ca}else continue;while(1){ib=b[xb>>0]|0;b[xb>>0]=b[yb>>0]|0;b[yb>>0]=ib;ib=xb+1|0;gb=yb+-1|0;if(ib>>>0>>0){xb=ib;yb=gb}else continue d}}if(((tb|0)==86?(tb=0,bb):0)?(eb=b[n>>0]|0,b[n>>0]=rb,b[Ca>>0]=eb,Ja):0){eb=Ga;hb=ja;do{jb=b[hb>>0]|0;b[hb>>0]=b[eb>>0]|0;b[eb>>0]=jb;hb=hb+1|0;eb=eb+-1|0}while(hb>>>0>>0)}if((db|0)>=(Fa|0)){Va=Ia;Wa=Ma;Xa=Ia;Ya=Ma;Za=La;_a=ya;$a=Ma;break}else db=db+1|0}}if(ma){db=f[V>>2]|0;Ma=o+(Fa+-1<<3)|0;ya=Ma;La=Tn(f[ya>>2]|0,f[ya+4>>2]|0,db|0,((db|0)<0)<<31>>31|0)|0;db=Ma;f[db>>2]=La;f[db+4>>2]=I}if(S){db=f[aa>>2]|0;La=f[C>>2]|0;Ma=0;do{ya=f[db+(Ma<<2)>>2]|0;f[La+(Ma<<2)>>2]=ya<<1^ya>>31;Ma=Ma+1|0}while((Ma|0)!=(g|0));zb=La}else zb=f[C>>2]|0;go(e,_,zb,g);if(ma){La=Fa+-1|0;Ab=a+40+(La*12|0)|0;Ma=a+40+(La*12|0)+4|0;db=a+40+(La*12|0)+8|0;La=0;do{ya=f[Ma>>2]|0;Ia=f[db>>2]|0;Ga=(ya|0)==(Ia<<5|0);if(!(1<>0])){if(Ga){if((ya+1|0)<0){tb=101;break b}Ja=Ia<<6;Ca=ya+32&-32;hi(Ab,ya>>>0<1073741823?(Ja>>>0>>0?Ca:Ja):2147483647);Bb=f[Ma>>2]|0}else Bb=ya;f[Ma>>2]=Bb+1;Ja=(f[Ab>>2]|0)+(Bb>>>5<<2)|0;f[Ja>>2]=f[Ja>>2]|1<<(Bb&31)}else{if(Ga){if((ya+1|0)<0){tb=106;break b}Ga=Ia<<6;Ia=ya+32&-32;hi(Ab,ya>>>0<1073741823?(Ga>>>0>>0?Ia:Ga):2147483647);Cb=f[Ma>>2]|0}else Cb=ya;f[Ma>>2]=Cb+1;ya=(f[Ab>>2]|0)+(Cb>>>5<<2)|0;f[ya>>2]=f[ya>>2]&~(1<<(Cb&31))}La=La+1|0}while((La|0)<(Fa|0))}La=f[$>>2]|0;Ma=d+(Ba<<2)|0;db=f[za+4>>2]|0;ma=f[La>>2]|0;ya=f[La+4>>2]|0;f[j>>2]=f[za>>2];f[ca>>2]=db;f[k>>2]=ma;f[da>>2]=ya;Dd(e,ba,j,k);f[Ma>>2]=f[e>>2];f[Ma+4>>2]=f[ea>>2];Ma=f[fa>>2]|0;if(Ma|0){ya=f[ia>>2]|0;if((ya|0)!=(Ma|0))f[ia>>2]=ya+(~((ya+-4-Ma|0)>>>2)<<2);br(Ma)}Ma=f[ga>>2]|0;if(Ma|0){ya=f[ha>>2]|0;if((ya|0)!=(Ma|0))f[ha>>2]=ya+(~((ya+-4-Ma|0)>>>2)<<2);br(Ma)}if((na|0)<=2){Db=Ya;Eb=Xa;break a}Ma=f[B>>2]|0;wa=f[Ma>>2]|0;ya=oa+-1|0;if((f[Ma+4>>2]|0)-wa>>2>>>0<=ya>>>0){xa=Ma;tb=18;break}else{Ma=oa;oa=ya;pa=$a;qa=_a;ra=Za;sa=Ya;ta=Xa;ua=Wa;va=Va;na=Ma}}if((tb|0)==18)mq(xa);else if((tb|0)==101)mq(Ab);else if((tb|0)==106)mq(Ab)}else{Db=M;Eb=N}while(0);if((g|0)>0)hj(f[l>>2]|0,0,g<<2|0)|0;g=f[l>>2]|0;N=f[c+4>>2]|0;M=f[g>>2]|0;Ab=f[g+4>>2]|0;f[j>>2]=f[c>>2];f[j+4>>2]=N;f[k>>2]=M;f[k+4>>2]=Ab;Dd(e,a+8|0,j,k);f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];if(Db|0){if((Eb|0)!=(Db|0))f[H>>2]=Eb+(~((Eb+-4-Db|0)>>>2)<<2);br(Db)}Db=f[m>>2]|0;if(Db|0){m=f[E>>2]|0;if((m|0)!=(Db|0))f[E>>2]=m+(~((m+-4-Db|0)>>>2)<<2);br(Db)}Db=f[l+36>>2]|0;if(Db|0){m=l+40|0;E=f[m>>2]|0;if((E|0)!=(Db|0))f[m>>2]=E+(~((E+-4-Db|0)>>>2)<<2);br(Db)}Db=f[l+24>>2]|0;if(Db|0){E=l+28|0;m=f[E>>2]|0;if((m|0)!=(Db|0))f[E>>2]=m+(~((m+-4-Db|0)>>>2)<<2);br(Db)}Db=f[l+12>>2]|0;if(Db|0){m=l+16|0;E=f[m>>2]|0;if((E|0)!=(Db|0))f[m>>2]=E+(~((E+-4-Db|0)>>>2)<<2);br(Db)}Db=f[l>>2]|0;if(!Db){u=i;return 1}E=l+4|0;l=f[E>>2]|0;if((l|0)!=(Db|0))f[E>>2]=l+(~((l+-4-Db|0)>>>2)<<2);br(Db);u=i;return 1}function fb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0,Hb=0,Ib=0,Jb=0,Kb=0,Lb=0,Mb=0,Nb=0,Ob=0,Pb=0,Qb=0,Rb=0,Sb=0,Tb=0,Ub=0,Vb=0,Wb=0,Xb=0,Yb=0,Zb=0,_b=0;c=u;u=u+32|0;d=c+16|0;e=c+4|0;g=c;f[a+36>>2]=b;h=a+24|0;i=a+28|0;j=f[i>>2]|0;k=f[h>>2]|0;l=j-k>>2;m=k;k=j;if(l>>>0>=b>>>0){if(l>>>0>b>>>0?(j=m+(b<<2)|0,(j|0)!=(k|0)):0)f[i>>2]=k+(~((k+-4-j|0)>>>2)<<2)}else kh(h,b-l|0,5828);f[d>>2]=0;l=d+4|0;f[l>>2]=0;j=d+8|0;f[j>>2]=0;if(b){if((b|0)<0)mq(d);k=((b+-1|0)>>>5)+1|0;m=dn(k<<2)|0;f[d>>2]=m;f[j>>2]=k;f[l>>2]=b;k=b>>>5;hj(m|0,0,k<<2|0)|0;n=b&31;o=m+(k<<2)|0;k=m;if(!n){p=b;q=k;r=m}else{f[o>>2]=f[o>>2]&~(-1>>>(32-n|0));p=b;q=k;r=m}}else{p=0;q=0;r=0}m=a+4|0;k=f[a>>2]|0;n=(f[m>>2]|0)-k|0;o=n>>2;f[e>>2]=0;s=e+4|0;f[s>>2]=0;t=e+8|0;f[t>>2]=0;do if(o){if((n|0)<0)mq(e);v=((o+-1|0)>>>5)+1|0;w=dn(v<<2)|0;f[e>>2]=w;f[t>>2]=v;f[s>>2]=o;v=o>>>5;hj(w|0,0,v<<2|0)|0;x=o&31;y=w+(v<<2)|0;if(x|0)f[y>>2]=f[y>>2]&~(-1>>>(32-x|0));if(o>>>0>2){x=a+12|0;y=a+32|0;v=a+52|0;w=a+56|0;z=a+48|0;A=b;B=k;C=0;D=q;E=r;a:while(1){F=B;G=C*3|0;if((G|0)!=-1){H=f[F+(G<<2)>>2]|0;I=G+1|0;J=((I>>>0)%3|0|0)==0?G+-2|0:I;if((J|0)==-1)K=-1;else K=f[F+(J<<2)>>2]|0;J=(((G>>>0)%3|0|0)==0?2:-1)+G|0;if((J|0)==-1)L=-1;else L=f[F+(J<<2)>>2]|0;if((H|0)!=(K|0)?!((H|0)==(L|0)|(K|0)==(L|0)):0){H=0;J=A;F=E;I=D;while(1){M=H+G|0;if(!(f[(f[e>>2]|0)+(M>>>5<<2)>>2]&1<<(M&31))){N=f[(f[a>>2]|0)+(M<<2)>>2]|0;f[g>>2]=N;if(!(f[F+(N>>>5<<2)>>2]&1<<(N&31))){O=0;P=J;Q=N}else{N=f[i>>2]|0;if((N|0)==(f[y>>2]|0))Ci(h,5828);else{f[N>>2]=-1;f[i>>2]=N+4}N=f[v>>2]|0;if((N|0)==(f[w>>2]|0))Ci(z,g);else{f[N>>2]=f[g>>2];f[v>>2]=N+4}N=f[l>>2]|0;R=f[j>>2]|0;if((N|0)==(R<<5|0)){if((N+1|0)<0){S=50;break a}T=R<<6;R=N+32&-32;hi(d,N>>>0<1073741823?(T>>>0>>0?R:T):2147483647);U=f[l>>2]|0}else U=N;f[l>>2]=U+1;N=(f[d>>2]|0)+(U>>>5<<2)|0;f[N>>2]=f[N>>2]&~(1<<(U&31));f[g>>2]=J;O=1;P=J+1|0;Q=J}N=f[d>>2]|0;T=N+(Q>>>5<<2)|0;f[T>>2]=f[T>>2]|1<<(Q&31);T=N;b:do if(O){R=M;while(1){if((R|0)==-1){S=64;break b}V=(f[e>>2]|0)+(R>>>5<<2)|0;f[V>>2]=f[V>>2]|1<<(R&31);V=f[g>>2]|0;f[(f[h>>2]|0)+(V<<2)>>2]=R;f[(f[a>>2]|0)+(R<<2)>>2]=V;V=R+1|0;W=((V>>>0)%3|0|0)==0?R+-2|0:V;do if((W|0)==-1)X=-1;else{V=f[(f[x>>2]|0)+(W<<2)>>2]|0;Y=V+1|0;if((V|0)==-1){X=-1;break}X=((Y>>>0)%3|0|0)==0?V+-2|0:Y}while(0);if((X|0)==(M|0))break;else R=X}}else{R=M;while(1){if((R|0)==-1){S=64;break b}W=(f[e>>2]|0)+(R>>>5<<2)|0;f[W>>2]=f[W>>2]|1<<(R&31);f[(f[h>>2]|0)+(f[g>>2]<<2)>>2]=R;W=R+1|0;Y=((W>>>0)%3|0|0)==0?R+-2|0:W;do if((Y|0)==-1)Z=-1;else{W=f[(f[x>>2]|0)+(Y<<2)>>2]|0;V=W+1|0;if((W|0)==-1){Z=-1;break}Z=((V>>>0)%3|0|0)==0?W+-2|0:V}while(0);if((Z|0)==(M|0))break;else R=Z}}while(0);c:do if((S|0)==64){S=0;if((M|0)==-1)break;R=(((M>>>0)%3|0|0)==0?2:-1)+M|0;if((R|0)==-1)break;Y=f[(f[x>>2]|0)+(R<<2)>>2]|0;if((Y|0)==-1)break;R=Y+(((Y>>>0)%3|0|0)==0?2:-1)|0;if((R|0)==-1)break;if(!O){Y=R;while(1){V=(f[e>>2]|0)+(Y>>>5<<2)|0;f[V>>2]=f[V>>2]|1<<(Y&31);V=(((Y>>>0)%3|0|0)==0?2:-1)+Y|0;if((V|0)==-1)break c;W=f[(f[x>>2]|0)+(V<<2)>>2]|0;if((W|0)==-1)break c;Y=W+(((W>>>0)%3|0|0)==0?2:-1)|0;if((Y|0)==-1)break c}}Y=f[a>>2]|0;W=R;do{V=(f[e>>2]|0)+(W>>>5<<2)|0;f[V>>2]=f[V>>2]|1<<(W&31);f[Y+(W<<2)>>2]=f[g>>2];V=(((W>>>0)%3|0|0)==0?2:-1)+W|0;if((V|0)==-1)break c;_=f[(f[x>>2]|0)+(V<<2)>>2]|0;if((_|0)==-1)break c;W=_+(((_>>>0)%3|0|0)==0?2:-1)|0}while((W|0)!=-1)}while(0);$=P;aa=T;ba=N}else{$=J;aa=I;ba=F}if((H|0)<2){H=H+1|0;J=$;F=ba;I=aa}else{ca=$;da=aa;ea=ba;break}}}else{ca=A;da=D;ea=E}}else{ca=A;da=D;ea=E}C=C+1|0;B=f[a>>2]|0;if(C>>>0>=(((f[m>>2]|0)-B>>2>>>0)/3|0)>>>0){S=18;break}else{A=ca;D=da;E=ea}}if((S|0)==18){fa=da;ga=f[l>>2]|0;break}else if((S|0)==50)mq(d)}else{fa=q;ga=p}}else{fa=q;ga=p}while(0);p=a+44|0;f[p>>2]=0;a=fa;fa=ga>>>5;q=a+(fa<<2)|0;S=ga&31;ga=(fa|0)!=0;d:do if(fa|S|0)if(!S){l=a;da=0;ea=ga;while(1){e:do if(ea){if(!(f[l>>2]&1)){ca=da+1|0;f[p>>2]=ca;ha=ca}else ha=da;if(!(f[l>>2]&2)){ca=ha+1|0;f[p>>2]=ca;ia=ca}else ia=ha;if(!(f[l>>2]&4)){ca=ia+1|0;f[p>>2]=ca;ja=ca}else ja=ia;if(!(f[l>>2]&8)){ca=ja+1|0;f[p>>2]=ca;ka=ca}else ka=ja;if(!(f[l>>2]&16)){ca=ka+1|0;f[p>>2]=ca;la=ca}else la=ka;if(!(f[l>>2]&32)){ca=la+1|0;f[p>>2]=ca;ma=ca}else ma=la;if(!(f[l>>2]&64)){ca=ma+1|0;f[p>>2]=ca;na=ca}else na=ma;if(!(f[l>>2]&128)){ca=na+1|0;f[p>>2]=ca;oa=ca}else oa=na;if(!(f[l>>2]&256)){ca=oa+1|0;f[p>>2]=ca;pa=ca}else pa=oa;if(!(f[l>>2]&512)){ca=pa+1|0;f[p>>2]=ca;qa=ca}else qa=pa;if(!(f[l>>2]&1024)){ca=qa+1|0;f[p>>2]=ca;ra=ca}else ra=qa;if(!(f[l>>2]&2048)){ca=ra+1|0;f[p>>2]=ca;sa=ca}else sa=ra;if(!(f[l>>2]&4096)){ca=sa+1|0;f[p>>2]=ca;ta=ca}else ta=sa;if(!(f[l>>2]&8192)){ca=ta+1|0;f[p>>2]=ca;ua=ca}else ua=ta;if(!(f[l>>2]&16384)){ca=ua+1|0;f[p>>2]=ca;va=ca}else va=ua;if(!(f[l>>2]&32768)){ca=va+1|0;f[p>>2]=ca;wa=ca}else wa=va;if(!(f[l>>2]&65536)){ca=wa+1|0;f[p>>2]=ca;xa=ca}else xa=wa;if(!(f[l>>2]&131072)){ca=xa+1|0;f[p>>2]=ca;ya=ca}else ya=xa;if(!(f[l>>2]&262144)){ca=ya+1|0;f[p>>2]=ca;za=ca}else za=ya;if(!(f[l>>2]&524288)){ca=za+1|0;f[p>>2]=ca;Aa=ca}else Aa=za;if(!(f[l>>2]&1048576)){ca=Aa+1|0;f[p>>2]=ca;Ba=ca}else Ba=Aa;if(!(f[l>>2]&2097152)){ca=Ba+1|0;f[p>>2]=ca;Ca=ca}else Ca=Ba;if(!(f[l>>2]&4194304)){ca=Ca+1|0;f[p>>2]=ca;Da=ca}else Da=Ca;if(!(f[l>>2]&8388608)){ca=Da+1|0;f[p>>2]=ca;Ea=ca}else Ea=Da;if(!(f[l>>2]&16777216)){ca=Ea+1|0;f[p>>2]=ca;Fa=ca}else Fa=Ea;if(!(f[l>>2]&33554432)){ca=Fa+1|0;f[p>>2]=ca;Ga=ca}else Ga=Fa;if(!(f[l>>2]&67108864)){ca=Ga+1|0;f[p>>2]=ca;Ha=ca}else Ha=Ga;if(!(f[l>>2]&134217728)){ca=Ha+1|0;f[p>>2]=ca;Ia=ca}else Ia=Ha;if(!(f[l>>2]&268435456)){ca=Ia+1|0;f[p>>2]=ca;Ja=ca}else Ja=Ia;if(!(f[l>>2]&536870912)){ca=Ja+1|0;f[p>>2]=ca;Ka=ca}else Ka=Ja;if(!(f[l>>2]&1073741824)){ca=Ka+1|0;f[p>>2]=ca;La=ca}else La=Ka;if((f[l>>2]|0)<=-1){Ma=La;break}ca=La+1|0;f[p>>2]=ca;Ma=ca}else{ca=0;m=da;while(1){if(!(f[l>>2]&1<>2]=ba;Na=ba}else Na=m;if((ca|0)==31){Ma=Na;break e}ca=ca+1|0;if(!ca)break d;else m=Na}}while(0);l=l+4|0;if((q|0)==(l|0))break;else{da=Ma;ea=1}}}else{if(ga){ea=0;da=a;l=0;while(1){if(!(f[da>>2]&1)){m=l+1|0;f[p>>2]=m;Oa=m;Pa=m}else{Oa=l;Pa=ea}if(!(f[da>>2]&2)){m=Oa+1|0;f[p>>2]=m;Qa=m;Ra=m}else{Qa=Oa;Ra=Pa}if(!(f[da>>2]&4)){m=Qa+1|0;f[p>>2]=m;Sa=m;Ta=m}else{Sa=Qa;Ta=Ra}if(!(f[da>>2]&8)){m=Sa+1|0;f[p>>2]=m;Ua=m;Va=m}else{Ua=Sa;Va=Ta}if(!(f[da>>2]&16)){m=Ua+1|0;f[p>>2]=m;Wa=m;Xa=m}else{Wa=Ua;Xa=Va}if(!(f[da>>2]&32)){m=Wa+1|0;f[p>>2]=m;Ya=m;Za=m}else{Ya=Wa;Za=Xa}if(!(f[da>>2]&64)){m=Ya+1|0;f[p>>2]=m;_a=m;$a=m}else{_a=Ya;$a=Za}if(!(f[da>>2]&128)){m=_a+1|0;f[p>>2]=m;ab=m;bb=m}else{ab=_a;bb=$a}if(!(f[da>>2]&256)){m=ab+1|0;f[p>>2]=m;cb=m;db=m}else{cb=ab;db=bb}if(!(f[da>>2]&512)){m=cb+1|0;f[p>>2]=m;eb=m;fb=m}else{eb=cb;fb=db}if(!(f[da>>2]&1024)){m=eb+1|0;f[p>>2]=m;gb=m;hb=m}else{gb=eb;hb=fb}if(!(f[da>>2]&2048)){m=gb+1|0;f[p>>2]=m;ib=m;jb=m}else{ib=gb;jb=hb}if(!(f[da>>2]&4096)){m=ib+1|0;f[p>>2]=m;kb=m;lb=m}else{kb=ib;lb=jb}if(!(f[da>>2]&8192)){m=kb+1|0;f[p>>2]=m;mb=m;nb=m}else{mb=kb;nb=lb}if(!(f[da>>2]&16384)){m=mb+1|0;f[p>>2]=m;ob=m;pb=m}else{ob=mb;pb=nb}if(!(f[da>>2]&32768)){m=ob+1|0;f[p>>2]=m;qb=m;rb=m}else{qb=ob;rb=pb}if(!(f[da>>2]&65536)){m=qb+1|0;f[p>>2]=m;sb=m;tb=m}else{sb=qb;tb=rb}if(!(f[da>>2]&131072)){m=sb+1|0;f[p>>2]=m;ub=m;vb=m}else{ub=sb;vb=tb}if(!(f[da>>2]&262144)){m=ub+1|0;f[p>>2]=m;wb=m;xb=m}else{wb=ub;xb=vb}if(!(f[da>>2]&524288)){m=wb+1|0;f[p>>2]=m;yb=m;zb=m}else{yb=wb;zb=xb}if(!(f[da>>2]&1048576)){m=yb+1|0;f[p>>2]=m;Ab=m;Bb=m}else{Ab=yb;Bb=zb}if(!(f[da>>2]&2097152)){m=Ab+1|0;f[p>>2]=m;Cb=m;Db=m}else{Cb=Ab;Db=Bb}if(!(f[da>>2]&4194304)){m=Cb+1|0;f[p>>2]=m;Eb=m;Fb=m}else{Eb=Cb;Fb=Db}if(!(f[da>>2]&8388608)){m=Eb+1|0;f[p>>2]=m;Gb=m;Hb=m}else{Gb=Eb;Hb=Fb}if(!(f[da>>2]&16777216)){m=Gb+1|0;f[p>>2]=m;Ib=m;Jb=m}else{Ib=Gb;Jb=Hb}if(!(f[da>>2]&33554432)){m=Ib+1|0;f[p>>2]=m;Kb=m;Lb=m}else{Kb=Ib;Lb=Jb}if(!(f[da>>2]&67108864)){m=Kb+1|0;f[p>>2]=m;Mb=m;Nb=m}else{Mb=Kb;Nb=Lb}if(!(f[da>>2]&134217728)){m=Mb+1|0;f[p>>2]=m;Ob=m;Pb=m}else{Ob=Mb;Pb=Nb}if(!(f[da>>2]&268435456)){m=Ob+1|0;f[p>>2]=m;Qb=m;Rb=m}else{Qb=Ob;Rb=Pb}if(!(f[da>>2]&536870912)){m=Qb+1|0;f[p>>2]=m;Sb=m;Tb=m}else{Sb=Qb;Tb=Rb}if(!(f[da>>2]&1073741824)){m=Sb+1|0;f[p>>2]=m;Ub=m;Vb=m}else{Ub=Sb;Vb=Tb}if((f[da>>2]|0)>-1){m=Ub+1|0;f[p>>2]=m;Wb=m;Xb=m}else{Wb=Ub;Xb=Vb}m=da+4|0;if((q|0)==(m|0)){Yb=m;Zb=Xb;break}else{ea=Xb;da=m;l=Wb}}}else{Yb=a;Zb=0}l=0;da=Zb;while(1){if(!(f[Yb>>2]&1<>2]=ea;_b=ea}else _b=da;l=l+1|0;if((l|0)==(S|0))break;else da=_b}}while(0);_b=f[e>>2]|0;if(_b|0)br(_b);_b=f[d>>2]|0;if(!_b){u=c;return 1}br(_b);u=c;return 1}function gb(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=Oa,La=0,Ma=0,Na=0,Pa=0,Qa=Oa,Ra=0,Sa=0,Ta=0,Ua=0,Va=0;c=u;u=u+80|0;d=c+60|0;e=c+48|0;g=c+24|0;h=c+12|0;i=c;j=a+28|0;k=f[j>>2]|0;l=f[k+4>>2]|0;m=f[l+80>>2]|0;o=a+4|0;p=a+8|0;q=f[p>>2]|0;r=f[o>>2]|0;s=(q|0)==(r|0);t=r;if(s){f[a+72>>2]=0;v=1;u=c;return v|0}w=f[l+8>>2]|0;x=q-r>>2;r=0;q=0;do{r=r+(b[(f[w+(f[t+(q<<2)>>2]<<2)>>2]|0)+24>>0]|0)|0;q=q+1|0}while(q>>>0>>0);f[a+72>>2]=r;if(s){v=1;u=c;return v|0}s=g+4|0;r=g+8|0;x=d+8|0;q=d+4|0;w=d+11|0;y=g+12|0;z=d+8|0;A=d+4|0;B=d+11|0;C=h+4|0;D=h+8|0;E=i+8|0;F=i+4|0;G=d+11|0;H=d+4|0;I=i+11|0;J=d+8|0;K=d+4|0;L=d+11|0;M=d+11|0;N=d+4|0;O=h+8|0;P=a+40|0;Q=a+44|0;R=a+36|0;S=a+64|0;T=a+68|0;U=a+60|0;V=g+8|0;W=g+20|0;X=e+8|0;Y=e+4|0;Z=e+11|0;_=g+4|0;aa=g+8|0;ba=h+4|0;ca=h+8|0;da=h+8|0;ea=a+52|0;fa=a+56|0;ga=a+48|0;a=g+8|0;ha=0;ia=t;t=l;l=k;a:while(1){k=f[ia+(ha<<2)>>2]|0;ja=f[(f[t+8>>2]|0)+(k<<2)>>2]|0;switch(f[ja+28>>2]|0){case 9:{f[g>>2]=1180;f[s>>2]=-1;f[r>>2]=0;f[r+4>>2]=0;f[r+8>>2]=0;f[r+12>>2]=0;ka=f[l+48>>2]|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;la=dn(32)|0;f[d>>2]=la;f[x>>2]=-2147483616;f[q>>2]=17;ma=la;na=12932;oa=ma+17|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[la+17>>0]=0;pa=ka+16|0;qa=f[pa>>2]|0;if(qa){ra=pa;sa=qa;b:while(1){qa=sa;while(1){if((f[qa+16>>2]|0)>=(k|0))break;ta=f[qa+4>>2]|0;if(!ta){ua=ra;break b}else qa=ta}sa=f[qa>>2]|0;if(!sa){ua=qa;break}else ra=qa}if(((ua|0)!=(pa|0)?(k|0)>=(f[ua+16>>2]|0):0)?(ra=ua+20|0,(sh(ra,d)|0)!=0):0)va=yk(ra,d,-1)|0;else wa=17}else wa=17;if((wa|0)==17){wa=0;va=yk(ka,d,-1)|0}if((b[w>>0]|0)<0)br(f[d>>2]|0);if((va|0)<1)xa=1;else{ra=f[(f[j>>2]|0)+48>>2]|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;sa=dn(32)|0;f[d>>2]=sa;f[z>>2]=-2147483616;f[A>>2]=19;ma=sa;na=13005;oa=ma+19|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[sa+19>>0]=0;ka=ra+16|0;pa=f[ka>>2]|0;if(pa){la=ka;ta=pa;c:while(1){pa=ta;while(1){if((f[pa+16>>2]|0)>=(k|0))break;ya=f[pa+4>>2]|0;if(!ya){za=la;break c}else pa=ya}ta=f[pa>>2]|0;if(!ta){za=pa;break}else la=pa}if((za|0)!=(ka|0)?(k|0)>=(f[za+16>>2]|0):0)Aa=za+20|0;else wa=29}else wa=29;if((wa|0)==29){wa=0;Aa=ra}if(!(sh(Aa,d)|0))Ba=0;else{la=f[(f[j>>2]|0)+48>>2]|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;ta=dn(32)|0;f[e>>2]=ta;f[X>>2]=-2147483616;f[Y>>2]=18;ma=ta;na=13025;oa=ma+18|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[ta+18>>0]=0;ra=la+16|0;ka=f[ra>>2]|0;if(ka){sa=ra;qa=ka;d:while(1){ka=qa;while(1){if((f[ka+16>>2]|0)>=(k|0))break;ya=f[ka+4>>2]|0;if(!ya){Ca=sa;break d}else ka=ya}qa=f[ka>>2]|0;if(!qa){Ca=ka;break}else sa=ka}if((Ca|0)!=(ra|0)?(k|0)>=(f[Ca+16>>2]|0):0)Da=Ca+20|0;else wa=39}else wa=39;if((wa|0)==39){wa=0;Da=la}sa=(sh(Da,e)|0)!=0;if((b[Z>>0]|0)<0)br(f[e>>2]|0);Ba=sa}if((b[B>>0]|0)<0)br(f[d>>2]|0);if(Ba){sa=ja+24|0;qa=b[sa>>0]|0;ta=qa<<24>>24;f[h>>2]=0;f[C>>2]=0;f[D>>2]=0;if(!(qa<<24>>24))Ea=0;else{if(qa<<24>>24<0){wa=48;break a}qa=ta<<2;pa=dn(qa)|0;f[h>>2]=pa;ya=pa+(ta<<2)|0;f[O>>2]=ya;hj(pa|0,0,qa|0)|0;f[C>>2]=ya;Ea=pa}pa=f[(f[j>>2]|0)+48>>2]|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;ya=dn(32)|0;f[i>>2]=ya;f[E>>2]=-2147483616;f[F>>2]=19;ma=ya;na=13005;oa=ma+19|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[ya+19>>0]=0;la=b[sa>>0]|0;ra=la<<24>>24;qa=pa+16|0;ta=f[qa>>2]|0;if(ta){Fa=qa;Ga=ta;e:while(1){ta=Ga;while(1){if((f[ta+16>>2]|0)>=(k|0))break;Ha=f[ta+4>>2]|0;if(!Ha){Ia=Fa;break e}else ta=Ha}Ga=f[ta>>2]|0;if(!Ga){Ia=ta;break}else Fa=ta}if(((Ia|0)!=(qa|0)?(k|0)>=(f[Ia+16>>2]|0):0)?(Fa=Ia+20|0,(sh(Fa,i)|0)!=0):0){Ga=zg(Fa,i)|0;if((Ga|0)!=(Ia+24|0)){dj(d,Ga+28|0);Ga=b[M>>0]|0;Fa=Ga<<24>>24<0;if(!((Fa?f[N>>2]|0:Ga&255)|0))Ja=Ga;else{if(la<<24>>24>0){ya=Fa?f[d>>2]|0:d;Fa=0;do{Ka=$(pq(ya,e));ka=ya;ya=f[e>>2]|0;if((ka|0)==(ya|0))break;n[Ea+(Fa<<2)>>2]=Ka;Fa=Fa+1|0}while((Fa|0)<(ra|0));La=b[M>>0]|0}else La=Ga;Ja=La}if(Ja<<24>>24<0)br(f[d>>2]|0)}}else wa=69}else wa=69;if((wa|0)==69?(wa=0,Fa=zg(pa,i)|0,(Fa|0)!=(pa+4|0)):0){dj(d,Fa+28|0);Fa=b[G>>0]|0;ya=Fa<<24>>24<0;if(!((ya?f[H>>2]|0:Fa&255)|0))Ma=Fa;else{if(la<<24>>24>0){qa=ya?f[d>>2]|0:d;ya=0;do{Ka=$(pq(qa,e));ka=qa;qa=f[e>>2]|0;if((ka|0)==(qa|0))break;n[Ea+(ya<<2)>>2]=Ka;ya=ya+1|0}while((ya|0)<(ra|0));Na=b[G>>0]|0}else Na=Fa;Ma=Na}if(Ma<<24>>24<0)br(f[d>>2]|0)}if((b[I>>0]|0)<0)br(f[i>>2]|0);ra=f[(f[j>>2]|0)+48>>2]|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;ya=dn(32)|0;f[d>>2]=ya;f[J>>2]=-2147483616;f[K>>2]=18;ma=ya;na=13025;oa=ma+18|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[ya+18>>0]=0;na=ra+16|0;ma=f[na>>2]|0;do if(ma){oa=na;Fa=ma;f:while(1){qa=Fa;while(1){if((f[qa+16>>2]|0)>=(k|0))break;la=f[qa+4>>2]|0;if(!la){Pa=oa;break f}else qa=la}Fa=f[qa>>2]|0;if(!Fa){Pa=qa;break}else oa=qa}if((Pa|0)!=(na|0)?(k|0)>=(f[Pa+16>>2]|0):0){oa=Pa+20|0;if(!(sh(oa,d)|0)){wa=91;break}Qa=$(kk(oa,d,$(1.0)))}else wa=91}else wa=91;while(0);if((wa|0)==91){wa=0;Qa=$(kk(ra,d,$(1.0)))}if((b[L>>0]|0)<0)br(f[d>>2]|0);wl(g,va,f[h>>2]|0,b[sa>>0]|0,Qa);k=f[h>>2]|0;if(k|0){na=f[C>>2]|0;if((na|0)!=(k|0))f[C>>2]=na+(~((na+-4-k|0)>>>2)<<2);br(k)}}else Kd(g,ja,va)|0;k=f[P>>2]|0;if((k|0)==(f[Q>>2]|0))of(R,g);else{f[k>>2]=1180;f[k+4>>2]=f[s>>2];Ra=k+8|0;f[Ra>>2]=0;na=k+12|0;f[na>>2]=0;f[k+16>>2]=0;ma=(f[y>>2]|0)-(f[V>>2]|0)|0;ya=ma>>2;if(ya|0){if(ya>>>0>1073741823){wa=103;break a}oa=dn(ma)|0;f[na>>2]=oa;f[Ra>>2]=oa;f[k+16>>2]=oa+(ya<<2);ya=f[V>>2]|0;ma=(f[y>>2]|0)-ya|0;if((ma|0)>0){Rg(oa|0,ya|0,ma|0)|0;f[na>>2]=oa+(ma>>>2<<2)}}f[k+20>>2]=f[W>>2];f[P>>2]=(f[P>>2]|0)+24}Re(d,g,ja,m);k=f[S>>2]|0;if(k>>>0<(f[T>>2]|0)>>>0){ma=f[d>>2]|0;f[d>>2]=0;f[k>>2]=ma;f[S>>2]=k+4}else Me(U,d);k=f[d>>2]|0;f[d>>2]=0;if(k|0){ma=k+88|0;oa=f[ma>>2]|0;f[ma>>2]=0;if(oa|0){ma=f[oa+8>>2]|0;if(ma|0){na=oa+12|0;if((f[na>>2]|0)!=(ma|0))f[na>>2]=ma;br(ma)}br(oa)}oa=f[k+68>>2]|0;if(oa|0){ma=k+72|0;na=f[ma>>2]|0;if((na|0)!=(oa|0))f[ma>>2]=na+(~((na+-4-oa|0)>>>2)<<2);br(oa)}oa=k+64|0;na=f[oa>>2]|0;f[oa>>2]=0;if(na|0){oa=f[na>>2]|0;if(oa|0){ma=na+4|0;if((f[ma>>2]|0)!=(oa|0))f[ma>>2]=oa;br(oa)}br(na)}br(k)}xa=0}f[g>>2]=1180;k=f[r>>2]|0;if(k|0){na=f[y>>2]|0;if((na|0)!=(k|0))f[y>>2]=na+(~((na+-4-k|0)>>>2)<<2);br(k)}if(xa|0){v=0;wa=169;break a}break}case 1:case 3:case 5:{k=ja+24|0;na=b[k>>0]|0;oa=na<<24>>24;f[g>>2]=0;f[_>>2]=0;f[aa>>2]=0;if(!(na<<24>>24))Sa=0;else{if(na<<24>>24<0){wa=137;break a}na=dn(oa<<2)|0;f[_>>2]=na;f[g>>2]=na;ma=na+(oa<<2)|0;f[a>>2]=ma;ya=oa;oa=na;while(1){f[oa>>2]=2147483647;ya=ya+-1|0;if(!ya)break;else oa=oa+4|0}f[_>>2]=ma;Sa=b[k>>0]|0}oa=Sa<<24>>24;f[h>>2]=0;f[ba>>2]=0;f[ca>>2]=0;if(!(Sa<<24>>24))Ta=0;else{if(Sa<<24>>24<0){wa=144;break a}ya=oa<<2;sa=dn(ya)|0;f[h>>2]=sa;ra=sa+(oa<<2)|0;f[da>>2]=ra;hj(sa|0,0,ya|0)|0;f[ba>>2]=ra;Ta=sa}sa=ja+80|0;ra=b[k>>0]|0;g:do if(!(f[sa>>2]|0))Ua=ra;else{ya=0;oa=ra;na=Ta;while(1){f[e>>2]=ya;f[d>>2]=f[e>>2];Pb(ja,d,oa,na)|0;Fa=b[k>>0]|0;if(Fa<<24>>24>0){ta=f[g>>2]|0;la=f[h>>2]|0;pa=Fa<<24>>24;Ga=0;do{ka=ta+(Ga<<2)|0;Ha=f[la+(Ga<<2)>>2]|0;if((f[ka>>2]|0)>(Ha|0))f[ka>>2]=Ha;Ga=Ga+1|0}while((Ga|0)<(pa|0))}pa=ya+1|0;if(pa>>>0>=(f[sa>>2]|0)>>>0){Ua=Fa;break g}ya=pa;oa=Fa;na=f[h>>2]|0}}while(0);if(Ua<<24>>24>0){sa=0;ja=Ua;while(1){ra=(f[g>>2]|0)+(sa<<2)|0;ma=f[ea>>2]|0;if((ma|0)==(f[fa>>2]|0)){Ci(ga,ra);Va=b[k>>0]|0}else{f[ma>>2]=f[ra>>2];f[ea>>2]=ma+4;Va=ja}sa=sa+1|0;if((sa|0)>=(Va<<24>>24|0))break;else ja=Va}}ja=f[h>>2]|0;if(ja|0){sa=f[ba>>2]|0;if((sa|0)!=(ja|0))f[ba>>2]=sa+(~((sa+-4-ja|0)>>>2)<<2);br(ja)}ja=f[g>>2]|0;if(ja|0){sa=f[_>>2]|0;if((sa|0)!=(ja|0))f[_>>2]=sa+(~((sa+-4-ja|0)>>>2)<<2);br(ja)}break}default:{}}ja=ha+1|0;sa=f[o>>2]|0;if(ja>>>0>=(f[p>>2]|0)-sa>>2>>>0){v=1;wa=169;break}k=f[j>>2]|0;ha=ja;ia=sa;t=f[k+4>>2]|0;l=k}if((wa|0)==48)mq(h);else if((wa|0)==103)mq(Ra);else if((wa|0)==137)mq(g);else if((wa|0)==144)mq(h);else if((wa|0)==169){u=c;return v|0}return 0}function hb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0;d=u;u=u+32|0;e=d;g=a+8|0;h=f[g>>2]|0;f[e>>2]=0;i=e+4|0;f[i>>2]=0;f[e+8>>2]=0;do if(h)if(h>>>0>1073741823)mq(e);else{j=h<<2;k=dn(j)|0;f[e>>2]=k;l=k+(h<<2)|0;f[e+8>>2]=l;hj(k|0,0,j|0)|0;f[i>>2]=l;m=l;n=k;break}else{m=0;n=0}while(0);k=a+128|0;l=f[k>>2]|0;j=f[l>>2]|0;o=l+4|0;if(!j){p=l+8|0;q=n;r=m;s=h}else{h=f[o>>2]|0;if((h|0)!=(j|0))f[o>>2]=h+(~((h+-4-j|0)>>>2)<<2);br(j);j=l+8|0;f[j>>2]=0;f[o>>2]=0;f[l>>2]=0;p=j;q=f[e>>2]|0;r=f[i>>2]|0;s=f[g>>2]|0}f[l>>2]=q;f[o>>2]=r;f[p>>2]=f[e+8>>2];f[e>>2]=0;p=e+4|0;f[p>>2]=0;f[e+8>>2]=0;do if(s)if(s>>>0>1073741823)mq(e);else{r=s<<2;o=dn(r)|0;f[e>>2]=o;q=o+(s<<2)|0;f[e+8>>2]=q;hj(o|0,0,r|0)|0;f[p>>2]=q;t=q;v=o;break}else{t=0;v=0}while(0);s=a+140|0;o=f[s>>2]|0;q=f[o>>2]|0;r=o+4|0;if(!q){w=o+8|0;x=v;y=t}else{t=f[r>>2]|0;if((t|0)!=(q|0))f[r>>2]=t+(~((t+-4-q|0)>>>2)<<2);br(q);q=o+8|0;f[q>>2]=0;f[r>>2]=0;f[o>>2]=0;w=q;x=f[e>>2]|0;y=f[p>>2]|0}f[o>>2]=x;f[r>>2]=y;f[w>>2]=f[e+8>>2];w=f[b>>2]|0;y=b+4|0;r=f[y>>2]|0;x=f[y+4>>2]|0;y=f[c>>2]|0;o=c+4|0;p=f[o>>2]|0;q=f[o+4>>2]|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;f[e+12>>2]=0;f[e+16>>2]=0;f[e+20>>2]=0;o=e+8|0;t=e+4|0;v=e+16|0;l=e+20|0;i=r;Jc(e);j=f[t>>2]|0;h=(f[l>>2]|0)+(f[v>>2]|0)|0;if((f[o>>2]|0)==(j|0))z=0;else z=(f[j+(((h>>>0)/113|0)<<2)>>2]|0)+(((h>>>0)%113|0)*36|0)|0;f[z>>2]=w;h=z+4|0;f[h>>2]=r;f[h+4>>2]=x;f[z+12>>2]=y;h=z+16|0;f[h>>2]=p;f[h+4>>2]=q;f[z+24>>2]=0;f[z+28>>2]=y-w;f[z+32>>2]=0;z=(f[l>>2]|0)+1|0;f[l>>2]=z;if(z|0){w=a+116|0;y=a+48|0;h=a+44|0;j=a+36|0;m=a+40|0;n=a+32|0;A=b+8|0;B=c+8|0;C=a+28|0;D=a+24|0;E=a+16|0;F=a+20|0;G=a+12|0;H=a+88|0;I=a+84|0;J=a+76|0;K=a+80|0;L=a+72|0;M=i+4|0;N=i+24|0;O=i+24|0;P=p+24|0;Q=z;while(1){z=f[v>>2]|0;R=Q+-1|0;S=R+z|0;T=f[t>>2]|0;U=f[T+(((S>>>0)/113|0)<<2)>>2]|0;V=(S>>>0)%113|0;S=f[U+(V*36|0)>>2]|0;W=f[U+(V*36|0)+12>>2]|0;Y=f[U+(V*36|0)+24>>2]|0;Z=f[U+(V*36|0)+32>>2]|0;f[l>>2]=R;R=f[o>>2]|0;V=R-T>>2;if((1-Q-z+((V|0)==0?0:(V*113|0)+-1|0)|0)>>>0>225){br(f[R+-4>>2]|0);f[o>>2]=(f[o>>2]|0)+-4}f[b>>2]=S;f[c>>2]=W;R=f[k>>2]|0;V=((f[g>>2]|0)+-1|0)==(Y|0)?0:Y+1|0;Y=(f[s>>2]|0)+(Z*12|0)|0;z=W-S|0;T=(f[a>>2]|0)-(f[(f[Y>>2]|0)+(V<<2)>>2]|0)|0;a:do if(T){if(z>>>0<3){U=f[w>>2]|0;f[U>>2]=V;$=f[g>>2]|0;if($>>>0>1){aa=1;ba=$;ca=V;while(1){ca=(ca|0)==(ba+-1|0)?0:ca+1|0;f[U+(aa<<2)>>2]=ca;aa=aa+1|0;da=f[g>>2]|0;if(aa>>>0>=da>>>0){ea=da;break}else ba=da}}else ea=$;if(!z){fa=99;break}else{ga=0;ha=ea}while(1){ba=(f[N>>2]|0)+((X(f[M>>2]|0,S+ga|0)|0)<<2)|0;if(!ha)ia=0;else{aa=0;do{ca=f[(f[w>>2]|0)+(aa<<2)>>2]|0;U=(f[a>>2]|0)-(f[(f[Y>>2]|0)+(ca<<2)>>2]|0)|0;do if(U|0){da=f[y>>2]|0;ja=32-da|0;ka=32-U|0;la=f[ba+(ca<<2)>>2]<(ja|0)){ma=la>>>ka;ka=U-ja|0;f[y>>2]=ka;ja=f[h>>2]|ma>>>ka;f[h>>2]=ja;ka=f[j>>2]|0;if((ka|0)==(f[m>>2]|0))Ci(n,h);else{f[ka>>2]=ja;f[j>>2]=ka+4}f[h>>2]=ma<<32-(f[y>>2]|0);break}ma=f[h>>2]|la>>>da;f[h>>2]=ma;la=da+U|0;f[y>>2]=la;if((la|0)!=32)break;la=f[j>>2]|0;if((la|0)==(f[m>>2]|0))Ci(n,h);else{f[la>>2]=ma;f[j>>2]=la+4}f[h>>2]=0;f[y>>2]=0}while(0);aa=aa+1|0;U=f[g>>2]|0}while(aa>>>0>>0);ia=U}ga=ga+1|0;if(ga>>>0>=z>>>0){fa=99;break a}else ha=ia}}$=Z+1|0;qg(R+($*12|0)|0,f[R+(Z*12|0)>>2]|0,f[R+(Z*12|0)+4>>2]|0);aa=(f[(f[k>>2]|0)+($*12|0)>>2]|0)+(V<<2)|0;ba=(f[aa>>2]|0)+(1<>2]=ba;aa=f[A>>2]|0;U=f[B>>2]|0;b:do if((W|0)==(S|0))na=S;else{ca=f[O>>2]|0;if(!aa){if((f[ca+(V<<2)>>2]|0)>>>0>>0){na=W;break}else{oa=W;pa=S}while(1){la=oa;do{la=la+-1|0;if((pa|0)==(la|0)){na=pa;break b}ma=(f[P>>2]|0)+((X(la,U)|0)<<2)+(V<<2)|0}while((f[ma>>2]|0)>>>0>=ba>>>0);pa=pa+1|0;if((pa|0)==(la|0)){na=la;break b}else oa=la}}else{qa=W;ra=S}while(1){ma=ra;while(1){sa=ca+((X(ma,aa)|0)<<2)|0;if((f[sa+(V<<2)>>2]|0)>>>0>=ba>>>0){ta=qa;break}da=ma+1|0;if((da|0)==(qa|0)){na=qa;break b}else ma=da}while(1){ta=ta+-1|0;if((ma|0)==(ta|0)){na=ma;break b}ua=(f[P>>2]|0)+((X(ta,U)|0)<<2)|0;if((f[ua+(V<<2)>>2]|0)>>>0>>0){va=0;break}}do{la=sa+(va<<2)|0;da=ua+(va<<2)|0;ka=f[la>>2]|0;f[la>>2]=f[da>>2];f[da>>2]=ka;va=va+1|0}while((va|0)!=(aa|0));ra=ma+1|0;if((ra|0)==(ta|0)){na=ta;break}else qa=ta}}while(0);ba=(_(z|0)|0)^31;U=na-S|0;ca=W-na|0;ka=U>>>0>>0;if((U|0)!=(ca|0)){da=f[H>>2]|0;if(ka)f[I>>2]=f[I>>2]|1<<31-da;la=da+1|0;f[H>>2]=la;if((la|0)==32){la=f[J>>2]|0;if((la|0)==(f[K>>2]|0))Ci(L,I);else{f[la>>2]=f[I>>2];f[J>>2]=la+4}f[H>>2]=0;f[I>>2]=0}}la=z>>>1;do if(ka){da=f[C>>2]|0;ja=32-da|0;wa=32-ba|0;xa=la-U<(ja|0)){ya=xa>>>wa;wa=ba-ja|0;f[C>>2]=wa;ja=f[D>>2]|ya>>>wa;f[D>>2]=ja;wa=f[E>>2]|0;if((wa|0)==(f[F>>2]|0))Ci(G,D);else{f[wa>>2]=ja;f[E>>2]=wa+4}f[D>>2]=ya<<32-(f[C>>2]|0);break}ya=f[D>>2]|xa>>>da;f[D>>2]=ya;xa=da+ba|0;f[C>>2]=xa;if((xa|0)==32){xa=f[E>>2]|0;if((xa|0)==(f[F>>2]|0))Ci(G,D);else{f[xa>>2]=ya;f[E>>2]=xa+4}f[D>>2]=0;f[C>>2]=0}}else{xa=f[C>>2]|0;ya=32-xa|0;da=32-ba|0;wa=la-ca<(ya|0)){ja=wa>>>da;da=ba-ya|0;f[C>>2]=da;ya=f[D>>2]|ja>>>da;f[D>>2]=ya;da=f[E>>2]|0;if((da|0)==(f[F>>2]|0))Ci(G,D);else{f[da>>2]=ya;f[E>>2]=da+4}f[D>>2]=ja<<32-(f[C>>2]|0);break}ja=f[D>>2]|wa>>>xa;f[D>>2]=ja;wa=xa+ba|0;f[C>>2]=wa;if((wa|0)==32){wa=f[E>>2]|0;if((wa|0)==(f[F>>2]|0))Ci(G,D);else{f[wa>>2]=ja;f[E>>2]=wa+4}f[D>>2]=0;f[C>>2]=0}}while(0);ba=f[s>>2]|0;la=f[ba+(Z*12|0)>>2]|0;ka=la+(V<<2)|0;f[ka>>2]=(f[ka>>2]|0)+1;qg(ba+($*12|0)|0,la,f[ba+(Z*12|0)+4>>2]|0);if((na|0)!=(S|0)){ba=f[o>>2]|0;la=f[t>>2]|0;ka=ba-la>>2;wa=f[v>>2]|0;ja=f[l>>2]|0;if((((ka|0)==0?0:(ka*113|0)+-1|0)|0)==(ja+wa|0)){Jc(e);za=f[v>>2]|0;Aa=f[l>>2]|0;Ba=f[o>>2]|0;Ca=f[t>>2]|0}else{za=wa;Aa=ja;Ba=ba;Ca=la}la=Aa+za|0;if((Ba|0)==(Ca|0))Da=0;else Da=(f[Ca+(((la>>>0)/113|0)<<2)>>2]|0)+(((la>>>0)%113|0)*36|0)|0;f[Da>>2]=S;la=Da+4|0;f[la>>2]=r;f[la+4>>2]=x;f[Da+12>>2]=na;f[Da+16>>2]=i;f[Da+20>>2]=aa;f[Da+24>>2]=V;f[Da+28>>2]=U;f[Da+32>>2]=Z;f[l>>2]=(f[l>>2]|0)+1}if((W|0)!=(na|0)){la=f[o>>2]|0;ba=f[t>>2]|0;ja=la-ba>>2;wa=f[v>>2]|0;ka=f[l>>2]|0;if((((ja|0)==0?0:(ja*113|0)+-1|0)|0)==(ka+wa|0)){Jc(e);Ea=f[v>>2]|0;Fa=f[l>>2]|0;Ga=f[o>>2]|0;Ha=f[t>>2]|0}else{Ea=wa;Fa=ka;Ga=la;Ha=ba}ba=Fa+Ea|0;if((Ga|0)==(Ha|0))Ia=0;else Ia=(f[Ha+(((ba>>>0)/113|0)<<2)>>2]|0)+(((ba>>>0)%113|0)*36|0)|0;f[Ia>>2]=na;f[Ia+4>>2]=i;f[Ia+8>>2]=aa;f[Ia+12>>2]=W;ba=Ia+16|0;f[ba>>2]=p;f[ba+4>>2]=q;f[Ia+24>>2]=V;f[Ia+28>>2]=ca;f[Ia+32>>2]=$;ba=(f[l>>2]|0)+1|0;f[l>>2]=ba;Ja=ba}else fa=99}else fa=99;while(0);if((fa|0)==99){fa=0;Ja=f[l>>2]|0}if(!Ja)break;else Q=Ja}}Ja=f[t>>2]|0;Q=f[v>>2]|0;Ia=Ja+(((Q>>>0)/113|0)<<2)|0;q=f[o>>2]|0;p=q;i=Ja;if((q|0)==(Ja|0)){Ka=0;La=0}else{na=(f[Ia>>2]|0)+(((Q>>>0)%113|0)*36|0)|0;Ka=na;La=na}na=Ia;Ia=La;c:while(1){La=Ia;do{Q=La;if((Ka|0)==(Q|0))break c;La=Q+36|0}while((La-(f[na>>2]|0)|0)!=4068);La=na+4|0;na=La;Ia=f[La>>2]|0}f[l>>2]=0;l=p-i>>2;if(l>>>0>2){i=Ja;do{br(f[i>>2]|0);i=(f[t>>2]|0)+4|0;f[t>>2]=i;Ma=f[o>>2]|0;Na=Ma-i>>2}while(Na>>>0>2);Oa=Na;Pa=i;Qa=Ma}else{Oa=l;Pa=Ja;Qa=q}switch(Oa|0){case 1:{Ra=56;fa=113;break}case 2:{Ra=113;fa=113;break}default:{}}if((fa|0)==113)f[v>>2]=Ra;if((Pa|0)!=(Qa|0)){Ra=Pa;do{br(f[Ra>>2]|0);Ra=Ra+4|0}while((Ra|0)!=(Qa|0));Qa=f[t>>2]|0;t=f[o>>2]|0;if((t|0)!=(Qa|0))f[o>>2]=t+(~((t+-4-Qa|0)>>>2)<<2)}Qa=f[e>>2]|0;if(!Qa){u=d;return}br(Qa);u=d;return}function ib(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0;d=u;u=u+80|0;e=d+56|0;g=d+52|0;h=d+48|0;i=d+68|0;j=d;k=d+44|0;l=d+40|0;m=d+36|0;n=d+32|0;o=d+28|0;p=d+24|0;q=d+20|0;r=d+16|0;s=d+12|0;if(!(b[c+288>>0]|0)){Ne(e,f[c+8>>2]|0);t=c+12|0;v=f[e>>2]|0;f[e>>2]=0;w=f[t>>2]|0;f[t>>2]=v;if(w){ui(w);br(w);w=f[e>>2]|0;f[e>>2]=0;if(w|0){ui(w);br(w)}}else f[e>>2]=0}else{Mg(e,f[c+8>>2]|0);w=c+12|0;v=f[e>>2]|0;f[e>>2]=0;t=f[w>>2]|0;f[w>>2]=v;if(t){ui(t);br(t);t=f[e>>2]|0;f[e>>2]=0;if(t|0){ui(t);br(t)}}else f[e>>2]=0}t=c+12|0;v=f[t>>2]|0;if(v|0?(((f[v+4>>2]|0)-(f[v>>2]|0)>>2>>>0)/3|0|0)!=(f[v+40>>2]|0):0){w=c+200|0;f[c+264>>2]=c;x=c+4|0;Nh(((f[v+28>>2]|0)-(f[v+24>>2]|0)>>2)-(f[v+44>>2]|0)|0,f[(f[x>>2]|0)+44>>2]|0)|0;v=f[t>>2]|0;Nh((((f[v+4>>2]|0)-(f[v>>2]|0)>>2>>>0)/3|0)-(f[v+40>>2]|0)|0,f[(f[x>>2]|0)+44>>2]|0)|0;v=c+28|0;y=c+8|0;z=f[y>>2]|0;A=((f[z+100>>2]|0)-(f[z+96>>2]|0)|0)/12|0;b[e>>0]=0;Xg(v,A,e);A=f[t>>2]|0;z=(f[A+28>>2]|0)-(f[A+24>>2]|0)>>2;f[e>>2]=-1;Sf(c+52|0,z,e);z=c+40|0;A=f[z>>2]|0;B=c+44|0;C=f[B>>2]|0;if((C|0)!=(A|0))f[B>>2]=C+(~((C+-4-A|0)>>>2)<<2);A=f[t>>2]|0;C=(f[A+4>>2]|0)-(f[A>>2]|0)>>2;$j(z,C-((C>>>0)%3|0)|0);C=c+84|0;z=f[t>>2]|0;A=(f[z+28>>2]|0)-(f[z+24>>2]|0)>>2;b[e>>0]=0;Xg(C,A,e);A=c+96|0;z=f[A>>2]|0;B=c+100|0;D=f[B>>2]|0;if((D|0)!=(z|0))f[B>>2]=D+(~((D+-4-z|0)>>>2)<<2);f[c+164>>2]=-1;z=c+168|0;f[z>>2]=0;D=f[c+108>>2]|0;E=c+112|0;F=f[E>>2]|0;if((F|0)!=(D|0))f[E>>2]=F+(~(((F+-12-D|0)>>>0)/12|0)*12|0);D=c+132|0;if(f[D>>2]|0){F=c+128|0;E=f[F>>2]|0;if(E|0){G=E;do{E=G;G=f[G>>2]|0;br(E)}while((G|0)!=0)}f[F>>2]=0;F=f[c+124>>2]|0;if(F|0){G=c+120|0;E=0;do{f[(f[G>>2]|0)+(E<<2)>>2]=0;E=E+1|0}while((E|0)!=(F|0))}f[D>>2]=0}f[c+144>>2]=0;D=f[t>>2]|0;F=(f[D+28>>2]|0)-(f[D+24>>2]|0)>>2;f[e>>2]=-1;Sf(c+152|0,F,e);F=c+72|0;D=f[F>>2]|0;E=c+76|0;G=f[E>>2]|0;if((G|0)!=(D|0))f[E>>2]=G+(~((G+-4-D|0)>>>2)<<2);D=f[t>>2]|0;$j(F,((f[D+4>>2]|0)-(f[D>>2]|0)>>2>>>0)/3|0);f[c+64>>2]=0;if(!(oe(c)|0)){D=dn(32)|0;f[e>>2]=D;f[e+8>>2]=-2147483616;f[e+4>>2]=29;H=D;I=13227;J=H+29|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[D+29>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);u=d;return}if(!(ch(c)|0)){D=dn(48)|0;f[e>>2]=D;f[e+8>>2]=-2147483600;f[e+4>>2]=36;H=D;I=13257;J=H+36|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[D+36>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);u=d;return}D=c+172|0;G=c+176|0;K=(((f[G>>2]|0)-(f[D>>2]|0)|0)/136|0)&255;b[i>>0]=K;L=f[(f[x>>2]|0)+44>>2]|0;M=L+16|0;N=f[M+4>>2]|0;if((N|0)>0|(N|0)==0&(f[M>>2]|0)>>>0>0)O=K;else{f[g>>2]=f[L+4>>2];f[e>>2]=f[g>>2];ye(L,e,i,i+1|0)|0;O=b[i>>0]|0}i=c+284|0;f[i>>2]=O&255;O=f[t>>2]|0;L=(f[O+4>>2]|0)-(f[O>>2]|0)|0;O=L>>2;Ti(w);f[j>>2]=0;K=j+4|0;f[K>>2]=0;f[j+8>>2]=0;a:do if((L|0)>0){M=c+104|0;N=j+8|0;P=0;b:while(1){Q=(P>>>0)/3|0;R=Q>>>5;S=1<<(Q&31);if((f[(f[v>>2]|0)+(R<<2)>>2]&S|0)==0?(T=f[t>>2]|0,f[k>>2]=Q,f[e>>2]=f[k>>2],!(Rj(T,e)|0)):0){f[g>>2]=0;f[l>>2]=Q;f[e>>2]=f[l>>2];Q=gg(c,e,g)|0;Vi(w,Q);T=f[g>>2]|0;U=(T|0)==-1;do if(Q){do if(U){V=-1;W=-1;X=-1}else{Y=f[f[t>>2]>>2]|0;Z=f[Y+(T<<2)>>2]|0;_=T+1|0;$=((_>>>0)%3|0|0)==0?T+-2|0:_;if(($|0)==-1)aa=-1;else aa=f[Y+($<<2)>>2]|0;$=(((T>>>0)%3|0|0)==0?2:-1)+T|0;if(($|0)==-1){V=-1;W=aa;X=Z;break}V=f[Y+($<<2)>>2]|0;W=aa;X=Z}while(0);Z=f[C>>2]|0;$=Z+(X>>>5<<2)|0;f[$>>2]=f[$>>2]|1<<(X&31);$=Z+(W>>>5<<2)|0;f[$>>2]=f[$>>2]|1<<(W&31);$=Z+(V>>>5<<2)|0;f[$>>2]=f[$>>2]|1<<(V&31);f[e>>2]=1;$=f[B>>2]|0;if($>>>0<(f[M>>2]|0)>>>0){f[$>>2]=1;f[B>>2]=$+4}else Ci(A,e);$=(f[v>>2]|0)+(R<<2)|0;f[$>>2]=f[$>>2]|S;$=T+1|0;if(U)ba=-1;else ba=(($>>>0)%3|0|0)==0?T+-2|0:$;f[e>>2]=ba;Z=f[K>>2]|0;if(Z>>>0<(f[N>>2]|0)>>>0){f[Z>>2]=ba;f[K>>2]=Z+4}else Ci(j,e);if(U)break;Z=(($>>>0)%3|0|0)==0?T+-2|0:$;if((Z|0)==-1)break;$=f[(f[(f[t>>2]|0)+12>>2]|0)+(Z<<2)>>2]|0;Z=($|0)==-1;Y=Z?-1:($>>>0)/3|0;if(Z)break;if(f[(f[v>>2]|0)+(Y>>>5<<2)>>2]&1<<(Y&31)|0)break;f[m>>2]=$;f[e>>2]=f[m>>2];if(!(hc(c,e)|0)){ca=65;break b}}else{$=T+1|0;if(U)da=-1;else da=(($>>>0)%3|0|0)==0?T+-2|0:$;f[n>>2]=da;f[e>>2]=f[n>>2];Ce(c,e,1)|0;f[o>>2]=f[g>>2];f[e>>2]=f[o>>2];if(!(hc(c,e)|0)){ca=71;break b}}while(0)}P=P+1|0;if((P|0)>=(O|0)){ca=77;break a}}if((ca|0)==65){f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;P=dn(48)|0;f[e>>2]=P;f[e+8>>2]=-2147483600;f[e+4>>2]=32;H=P;I=13294;J=H+32|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[P+32>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0)}else if((ca|0)==71){f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;N=dn(48)|0;f[e>>2]=N;f[e+8>>2]=-2147483600;f[e+4>>2]=32;H=N;I=13294;J=H+32|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[N+32>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0)}}else ca=77;while(0);do if((ca|0)==77){O=f[F>>2]|0;o=f[E>>2]|0;n=o;if((O|0)!=(o|0)?(da=o+-4|0,O>>>0>>0):0){o=O;O=da;do{da=f[o>>2]|0;f[o>>2]=f[O>>2];f[O>>2]=da;o=o+4|0;O=O+-4|0}while(o>>>0>>0)}f[p>>2]=n;f[q>>2]=f[j>>2];f[r>>2]=f[K>>2];f[h>>2]=f[p>>2];f[g>>2]=f[q>>2];f[e>>2]=f[r>>2];Md(F,h,g,e)|0;if((f[G>>2]|0)!=(f[D>>2]|0)?(O=f[y>>2]|0,o=((f[O+100>>2]|0)-(f[O+96>>2]|0)|0)/12|0,b[e>>0]=0,Xg(v,o,e),o=f[F>>2]|0,O=f[E>>2]|0,(o|0)!=(O|0)):0){N=o;do{f[s>>2]=f[N>>2];f[e>>2]=f[s>>2];ue(c,e)|0;N=N+4|0}while((N|0)!=(O|0))}_g(w);O=c+232|0;fd(w,O);N=c+280|0;n=f[N>>2]|0;if((n|0?(f[i>>2]|0)>0:0)?(fd(n,O),(f[i>>2]|0)>1):0){n=1;do{fd((f[N>>2]|0)+(n<<5)|0,O);n=n+1|0}while((n|0)<(f[i>>2]|0))}Nh((f[c+272>>2]|0)-(f[c+268>>2]|0)>>2,f[(f[x>>2]|0)+44>>2]|0)|0;Nh(f[z>>2]|0,f[(f[x>>2]|0)+44>>2]|0)|0;if(Jg(c)|0){n=f[(f[x>>2]|0)+44>>2]|0;N=f[O>>2]|0;o=n+16|0;da=f[o+4>>2]|0;if(!((da|0)>0|(da|0)==0&(f[o>>2]|0)>>>0>0)){o=(f[c+236>>2]|0)-N|0;f[g>>2]=f[n+4>>2];f[e>>2]=f[g>>2];ye(n,e,N,N+o|0)|0}f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;break}else{f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;o=dn(32)|0;f[e>>2]=o;f[e+8>>2]=-2147483616;f[e+4>>2]=28;H=o;I=13327;J=H+28|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[o+28>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);break}}while(0);g=f[j>>2]|0;if(g|0){j=f[K>>2]|0;if((j|0)!=(g|0))f[K>>2]=j+(~((j+-4-g|0)>>>2)<<2);br(g)}u=d;return}g=dn(32)|0;f[e>>2]=g;f[e+8>>2]=-2147483616;f[e+4>>2]=29;H=g;I=13197;J=H+29|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[g+29>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);u=d;return}function jb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0;d=u;u=u+48|0;e=d+36|0;g=d+24|0;h=d;i=a+8|0;j=f[i>>2]|0;f[e>>2]=0;k=e+4|0;f[k>>2]=0;f[e+8>>2]=0;do if(j)if(j>>>0>1073741823)mq(e);else{l=j<<2;m=dn(l)|0;f[e>>2]=m;n=m+(j<<2)|0;f[e+8>>2]=n;hj(m|0,0,l|0)|0;f[k>>2]=n;o=n;p=m;break}else{o=0;p=0}while(0);m=a+1164|0;n=f[m>>2]|0;l=f[n>>2]|0;q=n+4|0;if(!l){r=n+8|0;s=p;t=o;v=j}else{j=f[q>>2]|0;if((j|0)!=(l|0))f[q>>2]=j+(~((j+-4-l|0)>>>2)<<2);br(l);l=n+8|0;f[l>>2]=0;f[q>>2]=0;f[n>>2]=0;r=l;s=f[e>>2]|0;t=f[k>>2]|0;v=f[i>>2]|0}f[n>>2]=s;f[q>>2]=t;f[r>>2]=f[e+8>>2];f[e>>2]=0;r=e+4|0;f[r>>2]=0;f[e+8>>2]=0;do if(v)if(v>>>0>1073741823)mq(e);else{t=v<<2;q=dn(t)|0;f[e>>2]=q;s=q+(v<<2)|0;f[e+8>>2]=s;hj(q|0,0,t|0)|0;f[r>>2]=s;w=s;x=q;break}else{w=0;x=0}while(0);v=a+1176|0;q=f[v>>2]|0;s=f[q>>2]|0;t=q+4|0;if(!s){y=q+8|0;z=x;A=w}else{w=f[t>>2]|0;if((w|0)!=(s|0))f[t>>2]=w+(~((w+-4-s|0)>>>2)<<2);br(s);s=q+8|0;f[s>>2]=0;f[t>>2]=0;f[q>>2]=0;y=s;z=f[e>>2]|0;A=f[r>>2]|0}f[q>>2]=z;f[t>>2]=A;f[y>>2]=f[e+8>>2];y=f[b>>2]|0;A=b+4|0;t=f[A>>2]|0;z=f[A+4>>2]|0;A=f[c>>2]|0;q=c+4|0;r=f[q>>2]|0;s=f[q+4>>2]|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;f[h+12>>2]=0;f[h+16>>2]=0;f[h+20>>2]=0;q=h+8|0;w=h+4|0;x=h+16|0;n=h+20|0;k=t;Jc(h);l=f[w>>2]|0;j=(f[n>>2]|0)+(f[x>>2]|0)|0;if((f[q>>2]|0)==(l|0))B=0;else B=(f[l+(((j>>>0)/113|0)<<2)>>2]|0)+(((j>>>0)%113|0)*36|0)|0;f[B>>2]=y;j=B+4|0;f[j>>2]=t;f[j+4>>2]=z;f[B+12>>2]=A;j=B+16|0;f[j>>2]=r;f[j+4>>2]=s;f[B+24>>2]=0;f[B+28>>2]=A-y;f[B+32>>2]=0;B=(f[n>>2]|0)+1|0;f[n>>2]=B;if(B|0){y=a+1152|0;A=a+1084|0;j=a+1080|0;l=a+1072|0;o=a+1076|0;p=a+1068|0;C=b+8|0;D=c+8|0;E=a+1124|0;F=a+1120|0;G=a+1112|0;H=a+1116|0;I=a+1108|0;J=k+4|0;K=k+24|0;L=k+24|0;M=r+24|0;N=B;while(1){B=f[x>>2]|0;O=N+-1|0;P=O+B|0;Q=f[w>>2]|0;R=f[Q+(((P>>>0)/113|0)<<2)>>2]|0;S=(P>>>0)%113|0;P=f[R+(S*36|0)>>2]|0;T=f[R+(S*36|0)+12>>2]|0;U=f[R+(S*36|0)+24>>2]|0;V=f[R+(S*36|0)+32>>2]|0;f[n>>2]=O;O=f[q>>2]|0;S=O-Q>>2;if((1-N-B+((S|0)==0?0:(S*113|0)+-1|0)|0)>>>0>225){br(f[O+-4>>2]|0);f[q>>2]=(f[q>>2]|0)+-4}f[b>>2]=P;f[c>>2]=T;O=f[m>>2]|0;S=O+(V*12|0)|0;B=(f[v>>2]|0)+(V*12|0)|0;f[g>>2]=f[b>>2];f[g+4>>2]=f[b+4>>2];f[g+8>>2]=f[b+8>>2];f[e>>2]=f[c>>2];f[e+4>>2]=f[c+4>>2];f[e+8>>2]=f[c+8>>2];Q=Gd(a,g,e,S,B,U)|0;U=T-P|0;R=(f[a>>2]|0)-(f[(f[B>>2]|0)+(Q<<2)>>2]|0)|0;a:do if(R){if(U>>>0<3){W=f[y>>2]|0;f[W>>2]=Q;Y=f[i>>2]|0;if(Y>>>0>1){Z=1;$=Y;aa=Q;while(1){aa=(aa|0)==($+-1|0)?0:aa+1|0;f[W+(Z<<2)>>2]=aa;Z=Z+1|0;ba=f[i>>2]|0;if(Z>>>0>=ba>>>0){ca=ba;break}else $=ba}}else ca=Y;if(!U){da=87;break}else{ea=0;fa=ca}while(1){$=(f[K>>2]|0)+((X(f[J>>2]|0,P+ea|0)|0)<<2)|0;if(!fa)ga=0;else{Z=0;do{aa=f[(f[y>>2]|0)+(Z<<2)>>2]|0;W=(f[a>>2]|0)-(f[(f[B>>2]|0)+(aa<<2)>>2]|0)|0;do if(W|0){ba=f[A>>2]|0;ha=32-ba|0;ia=32-W|0;ja=f[$+(aa<<2)>>2]<(ha|0)){ka=ja>>>ia;ia=W-ha|0;f[A>>2]=ia;ha=f[j>>2]|ka>>>ia;f[j>>2]=ha;ia=f[l>>2]|0;if((ia|0)==(f[o>>2]|0))Ci(p,j);else{f[ia>>2]=ha;f[l>>2]=ia+4}f[j>>2]=ka<<32-(f[A>>2]|0);break}ka=f[j>>2]|ja>>>ba;f[j>>2]=ka;ja=ba+W|0;f[A>>2]=ja;if((ja|0)!=32)break;ja=f[l>>2]|0;if((ja|0)==(f[o>>2]|0))Ci(p,j);else{f[ja>>2]=ka;f[l>>2]=ja+4}f[j>>2]=0;f[A>>2]=0}while(0);Z=Z+1|0;W=f[i>>2]|0}while(Z>>>0>>0);ga=W}ea=ea+1|0;if(ea>>>0>=U>>>0){da=87;break a}else fa=ga}}Y=V+1|0;Z=f[m>>2]|0;$=Z+(Y*12|0)|0;if(($|0)==(S|0))la=Z;else{qg($,f[S>>2]|0,f[O+(V*12|0)+4>>2]|0);la=f[m>>2]|0}$=(f[la+(Y*12|0)>>2]|0)+(Q<<2)|0;Z=(f[$>>2]|0)+(1<>2]=Z;$=f[C>>2]|0;W=f[D>>2]|0;b:do if((T|0)==(P|0))ma=P;else{aa=f[L>>2]|0;if(!$){if((f[aa+(Q<<2)>>2]|0)>>>0>>0){ma=T;break}else{na=T;oa=P}while(1){ja=na;do{ja=ja+-1|0;if((oa|0)==(ja|0)){ma=oa;break b}ka=(f[M>>2]|0)+((X(ja,W)|0)<<2)+(Q<<2)|0}while((f[ka>>2]|0)>>>0>=Z>>>0);oa=oa+1|0;if((oa|0)==(ja|0)){ma=ja;break b}else na=ja}}else{pa=T;qa=P}while(1){ka=qa;while(1){ra=aa+((X(ka,$)|0)<<2)|0;if((f[ra+(Q<<2)>>2]|0)>>>0>=Z>>>0){sa=pa;break}ba=ka+1|0;if((ba|0)==(pa|0)){ma=pa;break b}else ka=ba}while(1){sa=sa+-1|0;if((ka|0)==(sa|0)){ma=ka;break b}ta=(f[M>>2]|0)+((X(sa,W)|0)<<2)|0;if((f[ta+(Q<<2)>>2]|0)>>>0>>0){ua=0;break}}do{ja=ra+(ua<<2)|0;ba=ta+(ua<<2)|0;ia=f[ja>>2]|0;f[ja>>2]=f[ba>>2];f[ba>>2]=ia;ua=ua+1|0}while((ua|0)!=($|0));qa=ka+1|0;if((qa|0)==(sa|0)){ma=sa;break}else pa=sa}}while(0);Z=(_(U|0)|0)^31;W=ma-P|0;aa=T-ma|0;ia=W>>>0>>0;if((W|0)!=(aa|0)){ba=f[E>>2]|0;if(ia)f[F>>2]=f[F>>2]|1<<31-ba;ja=ba+1|0;f[E>>2]=ja;if((ja|0)==32){ja=f[G>>2]|0;if((ja|0)==(f[H>>2]|0))Ci(I,F);else{f[ja>>2]=f[F>>2];f[G>>2]=ja+4}f[E>>2]=0;f[F>>2]=0}}ja=U>>>1;if(ia){ia=ja-W|0;if(Z|0){ba=0;ha=1<>>1}}}else{ha=ja-aa|0;if(Z|0){ba=0;ia=1<>>1}}}ia=f[v>>2]|0;Z=f[ia+(V*12|0)>>2]|0;ba=Z+(Q<<2)|0;f[ba>>2]=(f[ba>>2]|0)+1;qg(ia+(Y*12|0)|0,Z,f[ia+(V*12|0)+4>>2]|0);if((ma|0)!=(P|0)){ia=f[q>>2]|0;Z=f[w>>2]|0;ba=ia-Z>>2;ha=f[x>>2]|0;ja=f[n>>2]|0;if((((ba|0)==0?0:(ba*113|0)+-1|0)|0)==(ja+ha|0)){Jc(h);va=f[x>>2]|0;wa=f[n>>2]|0;xa=f[q>>2]|0;ya=f[w>>2]|0}else{va=ha;wa=ja;xa=ia;ya=Z}Z=wa+va|0;if((xa|0)==(ya|0))za=0;else za=(f[ya+(((Z>>>0)/113|0)<<2)>>2]|0)+(((Z>>>0)%113|0)*36|0)|0;f[za>>2]=P;Z=za+4|0;f[Z>>2]=t;f[Z+4>>2]=z;f[za+12>>2]=ma;f[za+16>>2]=k;f[za+20>>2]=$;f[za+24>>2]=Q;f[za+28>>2]=W;f[za+32>>2]=V;f[n>>2]=(f[n>>2]|0)+1}if((T|0)!=(ma|0)){Z=f[q>>2]|0;ia=f[w>>2]|0;ja=Z-ia>>2;ha=f[x>>2]|0;ba=f[n>>2]|0;if((((ja|0)==0?0:(ja*113|0)+-1|0)|0)==(ba+ha|0)){Jc(h);Aa=f[x>>2]|0;Ba=f[n>>2]|0;Ca=f[q>>2]|0;Da=f[w>>2]|0}else{Aa=ha;Ba=ba;Ca=Z;Da=ia}ia=Ba+Aa|0;if((Ca|0)==(Da|0))Ea=0;else Ea=(f[Da+(((ia>>>0)/113|0)<<2)>>2]|0)+(((ia>>>0)%113|0)*36|0)|0;f[Ea>>2]=ma;f[Ea+4>>2]=k;f[Ea+8>>2]=$;f[Ea+12>>2]=T;ia=Ea+16|0;f[ia>>2]=r;f[ia+4>>2]=s;f[Ea+24>>2]=Q;f[Ea+28>>2]=aa;f[Ea+32>>2]=Y;ia=(f[n>>2]|0)+1|0;f[n>>2]=ia;Fa=ia}else da=87}else da=87;while(0);if((da|0)==87){da=0;Fa=f[n>>2]|0}if(!Fa)break;else N=Fa}}Fa=f[w>>2]|0;N=f[x>>2]|0;Ea=Fa+(((N>>>0)/113|0)<<2)|0;s=f[q>>2]|0;r=s;k=Fa;if((s|0)==(Fa|0)){Ga=0;Ha=0}else{ma=(f[Ea>>2]|0)+(((N>>>0)%113|0)*36|0)|0;Ga=ma;Ha=ma}ma=Ea;Ea=Ha;c:while(1){Ha=Ea;do{N=Ha;if((Ga|0)==(N|0))break c;Ha=N+36|0}while((Ha-(f[ma>>2]|0)|0)!=4068);Ha=ma+4|0;ma=Ha;Ea=f[Ha>>2]|0}f[n>>2]=0;n=r-k>>2;if(n>>>0>2){k=Fa;do{br(f[k>>2]|0);k=(f[w>>2]|0)+4|0;f[w>>2]=k;Ia=f[q>>2]|0;Ja=Ia-k>>2}while(Ja>>>0>2);Ka=Ja;La=k;Ma=Ia}else{Ka=n;La=Fa;Ma=s}switch(Ka|0){case 1:{Na=56;da=101;break}case 2:{Na=113;da=101;break}default:{}}if((da|0)==101)f[x>>2]=Na;if((La|0)!=(Ma|0)){Na=La;do{br(f[Na>>2]|0);Na=Na+4|0}while((Na|0)!=(Ma|0));Ma=f[w>>2]|0;w=f[q>>2]|0;if((w|0)!=(Ma|0))f[q>>2]=w+(~((w+-4-Ma|0)>>>2)<<2)}Ma=f[h>>2]|0;if(!Ma){u=d;return}br(Ma);u=d;return}function kb(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0;d=u;u=u+1424|0;e=d+1408|0;g=d+1396|0;h=d+1420|0;i=d+1200|0;j=d+12|0;k=d;l=d+1384|0;m=d+1372|0;n=d+1360|0;o=d+1348|0;p=d+1336|0;q=d+1324|0;r=d+1312|0;s=d+1300|0;t=d+1288|0;v=d+1276|0;w=d+1264|0;x=d+1252|0;y=d+1240|0;z=d+1228|0;A=a+28|0;B=10-(Yh(f[(f[A>>2]|0)+48>>2]|0)|0)|0;C=(B|0)<6?B:6;b[h>>0]=C;if((C&255|0)==6?(f[a+72>>2]|0)>15:0)b[h>>0]=5;C=c+16|0;B=f[C+4>>2]|0;if(!((B|0)>0|(B|0)==0&(f[C>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+1|0)|0}C=f[A>>2]|0;B=f[(f[C+4>>2]|0)+80>>2]|0;D=a+72|0;E=f[D>>2]|0;f[i>>2]=B;F=i+4|0;f[F>>2]=E;f[i+8>>2]=E<<2;G=i+12|0;H=X(E,B)|0;f[G>>2]=0;J=i+16|0;f[J>>2]=0;f[i+20>>2]=0;do if(H)if(H>>>0>1073741823)mq(G);else{K=H<<2;L=dn(K)|0;f[G>>2]=L;M=L+(H<<2)|0;f[i+20>>2]=M;hj(L|0,0,K|0)|0;f[J>>2]=M;N=L;break}else N=0;while(0);H=i+24|0;f[H>>2]=N;G=a+4|0;L=a+8|0;M=f[G>>2]|0;a:do if((f[L>>2]|0)!=(M|0)){K=j+4|0;O=j+8|0;P=j+8|0;Q=(B|0)==0;R=j+4|0;S=j+8|0;T=k+4|0;U=k+8|0;V=k+8|0;W=a+48|0;Y=j+8|0;Z=a+60|0;$=0;aa=0;ba=0;ca=0;da=M;ea=C;b:while(1){fa=f[(f[(f[ea+4>>2]|0)+8>>2]|0)+(f[da+(ca<<2)>>2]<<2)>>2]|0;switch(f[fa+28>>2]|0){case 1:case 3:case 5:case 2:case 4:case 6:{ga=fa;ha=aa;break}case 9:{ga=f[(f[Z>>2]|0)+(aa<<2)>>2]|0;ha=aa+1|0;break}default:{ia=0;break a}}if(!ga){ia=0;break a}c:do switch(f[ga+28>>2]|0){case 6:{if(Q){ja=ba;ka=ga+24|0;break c}fa=ga+84|0;la=ga+68|0;ma=ga+48|0;na=ga+40|0;oa=ga+24|0;pa=0;do{if(!(b[fa>>0]|0))qa=f[(f[la>>2]|0)+(pa<<2)>>2]|0;else qa=pa;ra=ma;sa=f[ra>>2]|0;ta=f[ra+4>>2]|0;ra=na;ua=on(f[ra>>2]|0,f[ra+4>>2]|0,qa|0,0)|0;ra=Tn(ua|0,I|0,sa|0,ta|0)|0;Rg((f[H>>2]|0)+((X(f[F>>2]|0,pa)|0)<<2)+($<<2)|0,(f[f[ga>>2]>>2]|0)+ra|0,b[oa>>0]<<2|0)|0;pa=pa+1|0}while((pa|0)!=(B|0));ja=ba;ka=oa;break}case 1:case 3:case 5:{oa=ga+24|0;pa=b[oa>>0]|0;na=pa<<24>>24;f[j>>2]=0;f[R>>2]=0;f[S>>2]=0;if(!(pa<<24>>24))va=0;else{if(pa<<24>>24<0){wa=24;break b}pa=na<<2;ma=dn(pa)|0;f[j>>2]=ma;la=ma+(na<<2)|0;f[Y>>2]=la;hj(ma|0,0,pa|0)|0;f[R>>2]=la;va=b[oa>>0]|0}la=va<<24>>24;f[k>>2]=0;f[T>>2]=0;f[U>>2]=0;if(!(va<<24>>24)){xa=0;ya=0}else{if(va<<24>>24<0){wa=30;break b}pa=la<<2;ma=dn(pa)|0;f[k>>2]=ma;na=ma+(la<<2)|0;f[V>>2]=na;hj(ma|0,0,pa|0)|0;f[T>>2]=na;xa=ma;ya=ma}if(Q){za=ya;Aa=xa}else{ma=ga+84|0;na=ga+68|0;pa=0;do{if(!(b[ma>>0]|0))Ba=f[(f[na>>2]|0)+(pa<<2)>>2]|0;else Ba=pa;la=f[j>>2]|0;f[g>>2]=Ba;fa=b[oa>>0]|0;f[e>>2]=f[g>>2];Pb(ga,e,fa,la)|0;la=b[oa>>0]|0;fa=la<<24>>24;if(la<<24>>24>0){la=f[j>>2]|0;ra=f[W>>2]|0;ta=f[k>>2]|0;sa=0;do{f[ta+(sa<<2)>>2]=(f[la+(sa<<2)>>2]|0)-(f[ra+(sa+ba<<2)>>2]|0);sa=sa+1|0}while((sa|0)<(fa|0));Ca=ta}else Ca=f[k>>2]|0;Rg((f[H>>2]|0)+((X(f[F>>2]|0,pa)|0)<<2)+($<<2)|0,Ca|0,fa<<2|0)|0;pa=pa+1|0}while(pa>>>0>>0);pa=f[k>>2]|0;za=pa;Aa=pa}pa=ba+(b[oa>>0]|0)|0;if(za|0){na=f[T>>2]|0;if((na|0)!=(za|0))f[T>>2]=na+(~((na+-4-za|0)>>>2)<<2);br(Aa)}na=f[j>>2]|0;if(na|0){ma=f[R>>2]|0;if((ma|0)!=(na|0))f[R>>2]=ma+(~((ma+-4-na|0)>>>2)<<2);br(na)}ja=pa;ka=oa;break}default:{pa=ga+24|0;na=b[pa>>0]|0;ma=na<<24>>24;f[j>>2]=0;f[K>>2]=0;f[O>>2]=0;if(!(na<<24>>24)){Da=0;Ea=0}else{if(na<<24>>24<0){wa=53;break b}na=ma<<2;ta=dn(na)|0;f[j>>2]=ta;sa=ta+(ma<<2)|0;f[P>>2]=sa;hj(ta|0,0,na|0)|0;f[K>>2]=sa;Da=ta;Ea=ta}if(Q){Fa=Ea;Ga=Da}else{ta=ga+84|0;sa=ga+68|0;na=0;do{if(!(b[ta>>0]|0))Ha=f[(f[sa>>2]|0)+(na<<2)>>2]|0;else Ha=na;ma=f[j>>2]|0;f[g>>2]=Ha;ra=b[pa>>0]|0;f[e>>2]=f[g>>2];Ob(ga,e,ra,ma)|0;Rg((f[H>>2]|0)+((X(f[F>>2]|0,na)|0)<<2)+($<<2)|0,f[j>>2]|0,b[pa>>0]<<2|0)|0;na=na+1|0}while(na>>>0>>0);na=f[j>>2]|0;Fa=na;Ga=na}if(Fa|0){na=f[K>>2]|0;if((na|0)!=(Fa|0))f[K>>2]=na+(~((na+-4-Fa|0)>>>2)<<2);br(Ga)}ja=ba;ka=pa}}while(0);na=ca+1|0;sa=f[G>>2]|0;if(na>>>0>=(f[L>>2]|0)-sa>>2>>>0){wa=66;break}$=$+(b[ka>>0]|0)|0;aa=ha;ba=ja;ca=na;da=sa;ea=f[A>>2]|0}if((wa|0)==24)mq(j);else if((wa|0)==30)mq(k);else if((wa|0)==53)mq(j);else if((wa|0)==66){Ia=f[D>>2]|0;Ja=f[H>>2]|0;wa=67;break}}else{Ia=E;Ja=N;wa=67}while(0);d:do if((wa|0)==67){N=X(Ia,B)|0;if((N|0)>0){E=0;H=0;while(1){D=f[Ja+(E<<2)>>2]|0;if(!D)Ka=H;else{A=(_(D|0)|0)^31;Ka=(A|0)<(H|0)?H:A+1|0}E=E+1|0;if((E|0)>=(N|0)){La=Ka;break}else H=Ka}}else La=0;switch(b[h>>0]|0){case 6:{Ge(j,Ia);f[l>>2]=0;f[l+4>>2]=i;H=f[F>>2]|0;f[l+8>>2]=H;f[m>>2]=f[i>>2];f[m+4>>2]=i;f[m+8>>2]=H;f[k>>2]=La;f[g>>2]=f[l>>2];f[g+4>>2]=f[l+4>>2];f[g+8>>2]=f[l+8>>2];f[e>>2]=f[m>>2];f[e+4>>2]=f[m+4>>2];f[e+8>>2]=f[m+8>>2];H=ff(j,g,e,k,c)|0;Ee(j);if(!H){ia=0;break d}break}case 5:{Ge(j,Ia);f[n>>2]=0;f[n+4>>2]=i;H=f[F>>2]|0;f[n+8>>2]=H;f[o>>2]=f[i>>2];f[o+4>>2]=i;f[o+8>>2]=H;f[k>>2]=La;f[g>>2]=f[n>>2];f[g+4>>2]=f[n+4>>2];f[g+8>>2]=f[n+8>>2];f[e>>2]=f[o>>2];f[e+4>>2]=f[o+4>>2];f[e+8>>2]=f[o+8>>2];H=gf(j,g,e,k,c)|0;Ee(j);if(!H){ia=0;break d}break}case 4:{Ge(j,Ia);f[p>>2]=0;f[p+4>>2]=i;H=f[F>>2]|0;f[p+8>>2]=H;f[q>>2]=f[i>>2];f[q+4>>2]=i;f[q+8>>2]=H;f[k>>2]=La;f[g>>2]=f[p>>2];f[g+4>>2]=f[p+4>>2];f[g+8>>2]=f[p+8>>2];f[e>>2]=f[q>>2];f[e+4>>2]=f[q+4>>2];f[e+8>>2]=f[q+8>>2];H=gf(j,g,e,k,c)|0;Ee(j);if(!H){ia=0;break d}break}case 3:{Oe(j,Ia);f[r>>2]=0;f[r+4>>2]=i;H=f[F>>2]|0;f[r+8>>2]=H;f[s>>2]=f[i>>2];f[s+4>>2]=i;f[s+8>>2]=H;f[k>>2]=La;f[g>>2]=f[r>>2];f[g+4>>2]=f[r+4>>2];f[g+8>>2]=f[r+8>>2];f[e>>2]=f[s>>2];f[e+4>>2]=f[s+4>>2];f[e+8>>2]=f[s+8>>2];H=mf(j,g,e,k,c)|0;Ue(j);if(!H){ia=0;break d}break}case 2:{Oe(j,Ia);f[t>>2]=0;f[t+4>>2]=i;H=f[F>>2]|0;f[t+8>>2]=H;f[v>>2]=f[i>>2];f[v+4>>2]=i;f[v+8>>2]=H;f[k>>2]=La;f[g>>2]=f[t>>2];f[g+4>>2]=f[t+4>>2];f[g+8>>2]=f[t+8>>2];f[e>>2]=f[v>>2];f[e+4>>2]=f[v+4>>2];f[e+8>>2]=f[v+8>>2];H=mf(j,g,e,k,c)|0;Ue(j);if(!H){ia=0;break d}break}case 1:{Pe(j,Ia);f[w>>2]=0;f[w+4>>2]=i;H=f[F>>2]|0;f[w+8>>2]=H;f[x>>2]=f[i>>2];f[x+4>>2]=i;f[x+8>>2]=H;f[k>>2]=La;f[g>>2]=f[w>>2];f[g+4>>2]=f[w+4>>2];f[g+8>>2]=f[w+8>>2];f[e>>2]=f[x>>2];f[e+4>>2]=f[x+4>>2];f[e+8>>2]=f[x+8>>2];H=lf(j,g,e,k,c)|0;Te(j);if(!H){ia=0;break d}break}case 0:{Pe(j,Ia);f[y>>2]=0;f[y+4>>2]=i;H=f[F>>2]|0;f[y+8>>2]=H;f[z>>2]=f[i>>2];f[z+4>>2]=i;f[z+8>>2]=H;f[k>>2]=La;f[g>>2]=f[y>>2];f[g+4>>2]=f[y+4>>2];f[g+8>>2]=f[y+8>>2];f[e>>2]=f[z>>2];f[e+4>>2]=f[z+4>>2];f[e+8>>2]=f[z+8>>2];H=lf(j,g,e,k,c)|0;Te(j);if(!H){ia=0;break d}break}default:{ia=0;break d}}ia=1}while(0);j=f[i+12>>2]|0;if(!j){u=d;return ia|0}i=f[J>>2]|0;if((i|0)!=(j|0))f[J>>2]=i+(~((i+-4-j|0)>>>2)<<2);br(j);u=d;return ia|0}function lb(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0;d=u;u=u+80|0;e=d+56|0;g=d+52|0;h=d+48|0;i=d+68|0;j=d;k=d+44|0;l=d+40|0;m=d+36|0;n=d+32|0;o=d+28|0;p=d+24|0;q=d+20|0;r=d+16|0;s=d+12|0;if(!(b[c+352>>0]|0)){Ne(e,f[c+8>>2]|0);t=c+12|0;v=f[e>>2]|0;f[e>>2]=0;w=f[t>>2]|0;f[t>>2]=v;if(w){ui(w);br(w);w=f[e>>2]|0;f[e>>2]=0;if(w|0){ui(w);br(w)}}else f[e>>2]=0}else{Mg(e,f[c+8>>2]|0);w=c+12|0;v=f[e>>2]|0;f[e>>2]=0;t=f[w>>2]|0;f[w>>2]=v;if(t){ui(t);br(t);t=f[e>>2]|0;f[e>>2]=0;if(t|0){ui(t);br(t)}}else f[e>>2]=0}t=c+12|0;v=f[t>>2]|0;if(v|0?(((f[v+4>>2]|0)-(f[v>>2]|0)>>2>>>0)/3|0|0)!=(f[v+40>>2]|0):0){v=c+200|0;Td(v,c)|0;w=f[t>>2]|0;x=c+4|0;Nh(((f[w+28>>2]|0)-(f[w+24>>2]|0)>>2)-(f[w+44>>2]|0)|0,f[(f[x>>2]|0)+44>>2]|0)|0;w=f[t>>2]|0;Nh((((f[w+4>>2]|0)-(f[w>>2]|0)>>2>>>0)/3|0)-(f[w+40>>2]|0)|0,f[(f[x>>2]|0)+44>>2]|0)|0;w=c+28|0;y=c+8|0;z=f[y>>2]|0;A=((f[z+100>>2]|0)-(f[z+96>>2]|0)|0)/12|0;b[e>>0]=0;Xg(w,A,e);A=f[t>>2]|0;z=(f[A+28>>2]|0)-(f[A+24>>2]|0)>>2;f[e>>2]=-1;Sf(c+52|0,z,e);z=c+40|0;A=f[z>>2]|0;B=c+44|0;C=f[B>>2]|0;if((C|0)!=(A|0))f[B>>2]=C+(~((C+-4-A|0)>>>2)<<2);A=f[t>>2]|0;C=(f[A+4>>2]|0)-(f[A>>2]|0)>>2;$j(z,C-((C>>>0)%3|0)|0);C=c+84|0;z=f[t>>2]|0;A=(f[z+28>>2]|0)-(f[z+24>>2]|0)>>2;b[e>>0]=0;Xg(C,A,e);A=c+96|0;z=f[A>>2]|0;B=c+100|0;D=f[B>>2]|0;if((D|0)!=(z|0))f[B>>2]=D+(~((D+-4-z|0)>>>2)<<2);f[c+164>>2]=-1;z=c+168|0;f[z>>2]=0;D=f[c+108>>2]|0;E=c+112|0;F=f[E>>2]|0;if((F|0)!=(D|0))f[E>>2]=F+(~(((F+-12-D|0)>>>0)/12|0)*12|0);D=c+132|0;if(f[D>>2]|0){F=c+128|0;E=f[F>>2]|0;if(E|0){G=E;do{E=G;G=f[G>>2]|0;br(E)}while((G|0)!=0)}f[F>>2]=0;F=f[c+124>>2]|0;if(F|0){G=c+120|0;E=0;do{f[(f[G>>2]|0)+(E<<2)>>2]=0;E=E+1|0}while((E|0)!=(F|0))}f[D>>2]=0}f[c+144>>2]=0;D=f[t>>2]|0;F=(f[D+28>>2]|0)-(f[D+24>>2]|0)>>2;f[e>>2]=-1;Sf(c+152|0,F,e);F=c+72|0;D=f[F>>2]|0;E=c+76|0;G=f[E>>2]|0;if((G|0)!=(D|0))f[E>>2]=G+(~((G+-4-D|0)>>>2)<<2);D=f[t>>2]|0;$j(F,((f[D+4>>2]|0)-(f[D>>2]|0)>>2>>>0)/3|0);f[c+64>>2]=0;if(!(oe(c)|0)){D=dn(32)|0;f[e>>2]=D;f[e+8>>2]=-2147483616;f[e+4>>2]=29;H=D;I=13227;J=H+29|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[D+29>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);u=d;return}if(!(bh(c)|0)){D=dn(48)|0;f[e>>2]=D;f[e+8>>2]=-2147483600;f[e+4>>2]=36;H=D;I=13257;J=H+36|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[D+36>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);u=d;return}D=c+172|0;G=c+176|0;K=(((f[G>>2]|0)-(f[D>>2]|0)|0)/136|0)&255;b[i>>0]=K;L=f[(f[x>>2]|0)+44>>2]|0;M=L+16|0;N=f[M+4>>2]|0;if((N|0)>0|(N|0)==0&(f[M>>2]|0)>>>0>0)O=K;else{f[g>>2]=f[L+4>>2];f[e>>2]=f[g>>2];ye(L,e,i,i+1|0)|0;O=b[i>>0]|0}f[c+284>>2]=O&255;O=f[t>>2]|0;i=(f[O+4>>2]|0)-(f[O>>2]|0)|0;O=i>>2;Ti(v);f[j>>2]=0;L=j+4|0;f[L>>2]=0;f[j+8>>2]=0;a:do if((i|0)>0){K=c+104|0;M=j+8|0;N=0;b:while(1){P=(N>>>0)/3|0;Q=P>>>5;R=1<<(P&31);if((f[(f[w>>2]|0)+(Q<<2)>>2]&R|0)==0?(S=f[t>>2]|0,f[k>>2]=P,f[e>>2]=f[k>>2],!(Rj(S,e)|0)):0){f[g>>2]=0;f[l>>2]=P;f[e>>2]=f[l>>2];P=gg(c,e,g)|0;Vi(v,P);S=f[g>>2]|0;T=(S|0)==-1;do if(P){do if(T){U=-1;V=-1;W=-1}else{X=f[f[t>>2]>>2]|0;Y=f[X+(S<<2)>>2]|0;Z=S+1|0;_=((Z>>>0)%3|0|0)==0?S+-2|0:Z;if((_|0)==-1)$=-1;else $=f[X+(_<<2)>>2]|0;_=(((S>>>0)%3|0|0)==0?2:-1)+S|0;if((_|0)==-1){U=-1;V=$;W=Y;break}U=f[X+(_<<2)>>2]|0;V=$;W=Y}while(0);Y=f[C>>2]|0;_=Y+(W>>>5<<2)|0;f[_>>2]=f[_>>2]|1<<(W&31);_=Y+(V>>>5<<2)|0;f[_>>2]=f[_>>2]|1<<(V&31);_=Y+(U>>>5<<2)|0;f[_>>2]=f[_>>2]|1<<(U&31);f[e>>2]=1;_=f[B>>2]|0;if(_>>>0<(f[K>>2]|0)>>>0){f[_>>2]=1;f[B>>2]=_+4}else Ci(A,e);_=(f[w>>2]|0)+(Q<<2)|0;f[_>>2]=f[_>>2]|R;_=S+1|0;if(T)aa=-1;else aa=((_>>>0)%3|0|0)==0?S+-2|0:_;f[e>>2]=aa;Y=f[L>>2]|0;if(Y>>>0<(f[M>>2]|0)>>>0){f[Y>>2]=aa;f[L>>2]=Y+4}else Ci(j,e);if(T)break;Y=((_>>>0)%3|0|0)==0?S+-2|0:_;if((Y|0)==-1)break;_=f[(f[(f[t>>2]|0)+12>>2]|0)+(Y<<2)>>2]|0;Y=(_|0)==-1;X=Y?-1:(_>>>0)/3|0;if(Y)break;if(f[(f[w>>2]|0)+(X>>>5<<2)>>2]&1<<(X&31)|0)break;f[m>>2]=_;f[e>>2]=f[m>>2];if(!(Zb(c,e)|0)){ba=65;break b}}else{_=S+1|0;if(T)ca=-1;else ca=((_>>>0)%3|0|0)==0?S+-2|0:_;f[n>>2]=ca;f[e>>2]=f[n>>2];Ce(c,e,1)|0;f[o>>2]=f[g>>2];f[e>>2]=f[o>>2];if(!(Zb(c,e)|0)){ba=71;break b}}while(0)}N=N+1|0;if((N|0)>=(O|0)){ba=77;break a}}if((ba|0)==65){f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;N=dn(48)|0;f[e>>2]=N;f[e+8>>2]=-2147483600;f[e+4>>2]=32;H=N;I=13294;J=H+32|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[N+32>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0)}else if((ba|0)==71){f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;M=dn(48)|0;f[e>>2]=M;f[e+8>>2]=-2147483600;f[e+4>>2]=32;H=M;I=13294;J=H+32|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[M+32>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0)}}else ba=77;while(0);do if((ba|0)==77){O=f[F>>2]|0;o=f[E>>2]|0;n=o;if((O|0)!=(o|0)?(ca=o+-4|0,O>>>0>>0):0){o=O;O=ca;do{ca=f[o>>2]|0;f[o>>2]=f[O>>2];f[O>>2]=ca;o=o+4|0;O=O+-4|0}while(o>>>0>>0)}f[p>>2]=n;f[q>>2]=f[j>>2];f[r>>2]=f[L>>2];f[h>>2]=f[p>>2];f[g>>2]=f[q>>2];f[e>>2]=f[r>>2];Md(F,h,g,e)|0;if((f[G>>2]|0)!=(f[D>>2]|0)?(O=f[y>>2]|0,o=((f[O+100>>2]|0)-(f[O+96>>2]|0)|0)/12|0,b[e>>0]=0,Xg(w,o,e),o=f[F>>2]|0,O=f[E>>2]|0,(o|0)!=(O|0)):0){M=o;do{f[s>>2]=f[M>>2];f[e>>2]=f[s>>2];ue(c,e)|0;M=M+4|0}while((M|0)!=(O|0))}$h(v);Nh(f[c+324>>2]|0,f[(f[x>>2]|0)+44>>2]|0)|0;Nh(f[z>>2]|0,f[(f[x>>2]|0)+44>>2]|0)|0;if(Jg(c)|0){O=f[(f[x>>2]|0)+44>>2]|0;M=f[c+232>>2]|0;n=O+16|0;o=f[n+4>>2]|0;if(!((o|0)>0|(o|0)==0&(f[n>>2]|0)>>>0>0)){n=(f[c+236>>2]|0)-M|0;f[g>>2]=f[O+4>>2];f[e>>2]=f[g>>2];ye(O,e,M,M+n|0)|0}f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;break}else{f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;n=dn(32)|0;f[e>>2]=n;f[e+8>>2]=-2147483616;f[e+4>>2]=28;H=n;I=13327;J=H+28|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[n+28>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);break}}while(0);g=f[j>>2]|0;if(g|0){j=f[L>>2]|0;if((j|0)!=(g|0))f[L>>2]=j+(~((j+-4-g|0)>>>2)<<2);br(g)}u=d;return}g=dn(32)|0;f[e>>2]=g;f[e+8>>2]=-2147483616;f[e+4>>2]=29;H=g;I=13197;J=H+29|0;do{b[H>>0]=b[I>>0]|0;H=H+1|0;I=I+1|0}while((H|0)<(J|0));b[g+29>>0]=0;f[a>>2]=-1;dj(a+4|0,e);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);u=d;return}function mb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0;d=u;u=u+32|0;e=d;g=a+8|0;h=f[g>>2]|0;f[e>>2]=0;i=e+4|0;f[i>>2]=0;f[e+8>>2]=0;do if(h)if(h>>>0>1073741823)mq(e);else{j=h<<2;k=dn(j)|0;f[e>>2]=k;l=k+(h<<2)|0;f[e+8>>2]=l;hj(k|0,0,j|0)|0;f[i>>2]=l;m=l;n=k;break}else{m=0;n=0}while(0);k=a+1164|0;l=f[k>>2]|0;j=f[l>>2]|0;o=l+4|0;if(!j){p=l+8|0;q=n;r=m;s=h}else{h=f[o>>2]|0;if((h|0)!=(j|0))f[o>>2]=h+(~((h+-4-j|0)>>>2)<<2);br(j);j=l+8|0;f[j>>2]=0;f[o>>2]=0;f[l>>2]=0;p=j;q=f[e>>2]|0;r=f[i>>2]|0;s=f[g>>2]|0}f[l>>2]=q;f[o>>2]=r;f[p>>2]=f[e+8>>2];f[e>>2]=0;p=e+4|0;f[p>>2]=0;f[e+8>>2]=0;do if(s)if(s>>>0>1073741823)mq(e);else{r=s<<2;o=dn(r)|0;f[e>>2]=o;q=o+(s<<2)|0;f[e+8>>2]=q;hj(o|0,0,r|0)|0;f[p>>2]=q;t=q;v=o;break}else{t=0;v=0}while(0);s=a+1176|0;o=f[s>>2]|0;q=f[o>>2]|0;r=o+4|0;if(!q){w=o+8|0;x=v;y=t}else{t=f[r>>2]|0;if((t|0)!=(q|0))f[r>>2]=t+(~((t+-4-q|0)>>>2)<<2);br(q);q=o+8|0;f[q>>2]=0;f[r>>2]=0;f[o>>2]=0;w=q;x=f[e>>2]|0;y=f[p>>2]|0}f[o>>2]=x;f[r>>2]=y;f[w>>2]=f[e+8>>2];w=f[b>>2]|0;y=b+4|0;r=f[y>>2]|0;x=f[y+4>>2]|0;y=f[c>>2]|0;o=c+4|0;p=f[o>>2]|0;q=f[o+4>>2]|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;f[e+12>>2]=0;f[e+16>>2]=0;f[e+20>>2]=0;o=e+8|0;t=e+4|0;v=e+16|0;l=e+20|0;i=r;Jc(e);j=f[t>>2]|0;h=(f[l>>2]|0)+(f[v>>2]|0)|0;if((f[o>>2]|0)==(j|0))z=0;else z=(f[j+(((h>>>0)/113|0)<<2)>>2]|0)+(((h>>>0)%113|0)*36|0)|0;f[z>>2]=w;h=z+4|0;f[h>>2]=r;f[h+4>>2]=x;f[z+12>>2]=y;h=z+16|0;f[h>>2]=p;f[h+4>>2]=q;f[z+24>>2]=0;f[z+28>>2]=y-w;f[z+32>>2]=0;z=(f[l>>2]|0)+1|0;f[l>>2]=z;if(z|0){w=a+1152|0;y=a+1084|0;h=a+1080|0;j=a+1072|0;m=a+1076|0;n=a+1068|0;A=b+8|0;B=c+8|0;C=a+1124|0;D=a+1120|0;E=a+1112|0;F=a+1116|0;G=a+1108|0;H=i+4|0;I=i+24|0;J=i+24|0;K=p+24|0;L=z;while(1){z=f[v>>2]|0;M=L+-1|0;N=M+z|0;O=f[t>>2]|0;P=f[O+(((N>>>0)/113|0)<<2)>>2]|0;Q=(N>>>0)%113|0;N=f[P+(Q*36|0)>>2]|0;R=f[P+(Q*36|0)+12>>2]|0;S=f[P+(Q*36|0)+24>>2]|0;T=f[P+(Q*36|0)+32>>2]|0;f[l>>2]=M;M=f[o>>2]|0;Q=M-O>>2;if((1-L-z+((Q|0)==0?0:(Q*113|0)+-1|0)|0)>>>0>225){br(f[M+-4>>2]|0);f[o>>2]=(f[o>>2]|0)+-4}f[b>>2]=N;f[c>>2]=R;M=f[k>>2]|0;Q=((f[g>>2]|0)+-1|0)==(S|0)?0:S+1|0;S=(f[s>>2]|0)+(T*12|0)|0;z=R-N|0;O=(f[a>>2]|0)-(f[(f[S>>2]|0)+(Q<<2)>>2]|0)|0;a:do if(O){if(z>>>0<3){P=f[w>>2]|0;f[P>>2]=Q;U=f[g>>2]|0;if(U>>>0>1){V=1;W=U;Y=Q;while(1){Y=(Y|0)==(W+-1|0)?0:Y+1|0;f[P+(V<<2)>>2]=Y;V=V+1|0;Z=f[g>>2]|0;if(V>>>0>=Z>>>0){$=Z;break}else W=Z}}else $=U;if(!z){aa=85;break}else{ba=0;ca=$}while(1){W=(f[I>>2]|0)+((X(f[H>>2]|0,N+ba|0)|0)<<2)|0;if(!ca)da=0;else{V=0;do{Y=f[(f[w>>2]|0)+(V<<2)>>2]|0;P=(f[a>>2]|0)-(f[(f[S>>2]|0)+(Y<<2)>>2]|0)|0;do if(P|0){Z=f[y>>2]|0;ea=32-Z|0;fa=32-P|0;ga=f[W+(Y<<2)>>2]<(ea|0)){ha=ga>>>fa;fa=P-ea|0;f[y>>2]=fa;ea=f[h>>2]|ha>>>fa;f[h>>2]=ea;fa=f[j>>2]|0;if((fa|0)==(f[m>>2]|0))Ci(n,h);else{f[fa>>2]=ea;f[j>>2]=fa+4}f[h>>2]=ha<<32-(f[y>>2]|0);break}ha=f[h>>2]|ga>>>Z;f[h>>2]=ha;ga=Z+P|0;f[y>>2]=ga;if((ga|0)!=32)break;ga=f[j>>2]|0;if((ga|0)==(f[m>>2]|0))Ci(n,h);else{f[ga>>2]=ha;f[j>>2]=ga+4}f[h>>2]=0;f[y>>2]=0}while(0);V=V+1|0;P=f[g>>2]|0}while(V>>>0

>>0);da=P}ba=ba+1|0;if(ba>>>0>=z>>>0){aa=85;break a}else ca=da}}U=T+1|0;qg(M+(U*12|0)|0,f[M+(T*12|0)>>2]|0,f[M+(T*12|0)+4>>2]|0);V=(f[(f[k>>2]|0)+(U*12|0)>>2]|0)+(Q<<2)|0;W=(f[V>>2]|0)+(1<>2]=W;V=f[A>>2]|0;P=f[B>>2]|0;b:do if((R|0)==(N|0))ia=N;else{Y=f[J>>2]|0;if(!V){if((f[Y+(Q<<2)>>2]|0)>>>0>>0){ia=R;break}else{ja=R;ka=N}while(1){ga=ja;do{ga=ga+-1|0;if((ka|0)==(ga|0)){ia=ka;break b}ha=(f[K>>2]|0)+((X(ga,P)|0)<<2)+(Q<<2)|0}while((f[ha>>2]|0)>>>0>=W>>>0);ka=ka+1|0;if((ka|0)==(ga|0)){ia=ga;break b}else ja=ga}}else{la=R;ma=N}while(1){ha=ma;while(1){na=Y+((X(ha,V)|0)<<2)|0;if((f[na+(Q<<2)>>2]|0)>>>0>=W>>>0){oa=la;break}Z=ha+1|0;if((Z|0)==(la|0)){ia=la;break b}else ha=Z}while(1){oa=oa+-1|0;if((ha|0)==(oa|0)){ia=ha;break b}pa=(f[K>>2]|0)+((X(oa,P)|0)<<2)|0;if((f[pa+(Q<<2)>>2]|0)>>>0>>0){qa=0;break}}do{ga=na+(qa<<2)|0;Z=pa+(qa<<2)|0;fa=f[ga>>2]|0;f[ga>>2]=f[Z>>2];f[Z>>2]=fa;qa=qa+1|0}while((qa|0)!=(V|0));ma=ha+1|0;if((ma|0)==(oa|0)){ia=oa;break}else la=oa}}while(0);W=(_(z|0)|0)^31;P=ia-N|0;Y=R-ia|0;fa=P>>>0>>0;if((P|0)!=(Y|0)){Z=f[C>>2]|0;if(fa)f[D>>2]=f[D>>2]|1<<31-Z;ga=Z+1|0;f[C>>2]=ga;if((ga|0)==32){ga=f[E>>2]|0;if((ga|0)==(f[F>>2]|0))Ci(G,D);else{f[ga>>2]=f[D>>2];f[E>>2]=ga+4}f[C>>2]=0;f[D>>2]=0}}ga=z>>>1;if(fa){fa=ga-P|0;if(W|0){Z=0;ea=1<>>1}}}else{ea=ga-Y|0;if(W|0){Z=0;fa=1<>>1}}}fa=f[s>>2]|0;W=f[fa+(T*12|0)>>2]|0;Z=W+(Q<<2)|0;f[Z>>2]=(f[Z>>2]|0)+1;qg(fa+(U*12|0)|0,W,f[fa+(T*12|0)+4>>2]|0);if((ia|0)!=(N|0)){fa=f[o>>2]|0;W=f[t>>2]|0;Z=fa-W>>2;ea=f[v>>2]|0;ga=f[l>>2]|0;if((((Z|0)==0?0:(Z*113|0)+-1|0)|0)==(ga+ea|0)){Jc(e);ra=f[v>>2]|0;sa=f[l>>2]|0;ta=f[o>>2]|0;ua=f[t>>2]|0}else{ra=ea;sa=ga;ta=fa;ua=W}W=sa+ra|0;if((ta|0)==(ua|0))va=0;else va=(f[ua+(((W>>>0)/113|0)<<2)>>2]|0)+(((W>>>0)%113|0)*36|0)|0;f[va>>2]=N;W=va+4|0;f[W>>2]=r;f[W+4>>2]=x;f[va+12>>2]=ia;f[va+16>>2]=i;f[va+20>>2]=V;f[va+24>>2]=Q;f[va+28>>2]=P;f[va+32>>2]=T;f[l>>2]=(f[l>>2]|0)+1}if((R|0)!=(ia|0)){W=f[o>>2]|0;fa=f[t>>2]|0;ga=W-fa>>2;ea=f[v>>2]|0;Z=f[l>>2]|0;if((((ga|0)==0?0:(ga*113|0)+-1|0)|0)==(Z+ea|0)){Jc(e);wa=f[v>>2]|0;xa=f[l>>2]|0;ya=f[o>>2]|0;za=f[t>>2]|0}else{wa=ea;xa=Z;ya=W;za=fa}fa=xa+wa|0;if((ya|0)==(za|0))Aa=0;else Aa=(f[za+(((fa>>>0)/113|0)<<2)>>2]|0)+(((fa>>>0)%113|0)*36|0)|0;f[Aa>>2]=ia;f[Aa+4>>2]=i;f[Aa+8>>2]=V;f[Aa+12>>2]=R;fa=Aa+16|0;f[fa>>2]=p;f[fa+4>>2]=q;f[Aa+24>>2]=Q;f[Aa+28>>2]=Y;f[Aa+32>>2]=U;fa=(f[l>>2]|0)+1|0;f[l>>2]=fa;Ba=fa}else aa=85}else aa=85;while(0);if((aa|0)==85){aa=0;Ba=f[l>>2]|0}if(!Ba)break;else L=Ba}}Ba=f[t>>2]|0;L=f[v>>2]|0;Aa=Ba+(((L>>>0)/113|0)<<2)|0;q=f[o>>2]|0;p=q;i=Ba;if((q|0)==(Ba|0)){Ca=0;Da=0}else{ia=(f[Aa>>2]|0)+(((L>>>0)%113|0)*36|0)|0;Ca=ia;Da=ia}ia=Aa;Aa=Da;c:while(1){Da=Aa;do{L=Da;if((Ca|0)==(L|0))break c;Da=L+36|0}while((Da-(f[ia>>2]|0)|0)!=4068);Da=ia+4|0;ia=Da;Aa=f[Da>>2]|0}f[l>>2]=0;l=p-i>>2;if(l>>>0>2){i=Ba;do{br(f[i>>2]|0);i=(f[t>>2]|0)+4|0;f[t>>2]=i;Ea=f[o>>2]|0;Fa=Ea-i>>2}while(Fa>>>0>2);Ga=Fa;Ha=i;Ia=Ea}else{Ga=l;Ha=Ba;Ia=q}switch(Ga|0){case 1:{Ja=56;aa=99;break}case 2:{Ja=113;aa=99;break}default:{}}if((aa|0)==99)f[v>>2]=Ja;if((Ha|0)!=(Ia|0)){Ja=Ha;do{br(f[Ja>>2]|0);Ja=Ja+4|0}while((Ja|0)!=(Ia|0));Ia=f[t>>2]|0;t=f[o>>2]|0;if((t|0)!=(Ia|0))f[o>>2]=t+(~((t+-4-Ia|0)>>>2)<<2)}Ia=f[e>>2]|0;if(!Ia){u=d;return}br(Ia);u=d;return}function nb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0;d=u;u=u+32|0;e=d;g=a+8|0;h=f[g>>2]|0;f[e>>2]=0;i=e+4|0;f[i>>2]=0;f[e+8>>2]=0;do if(h)if(h>>>0>1073741823)mq(e);else{j=h<<2;k=dn(j)|0;f[e>>2]=k;l=k+(h<<2)|0;f[e+8>>2]=l;hj(k|0,0,j|0)|0;f[i>>2]=l;m=l;n=k;break}else{m=0;n=0}while(0);k=a+140|0;l=f[k>>2]|0;j=f[l>>2]|0;o=l+4|0;if(!j){p=l+8|0;q=n;r=m;s=h}else{h=f[o>>2]|0;if((h|0)!=(j|0))f[o>>2]=h+(~((h+-4-j|0)>>>2)<<2);br(j);j=l+8|0;f[j>>2]=0;f[o>>2]=0;f[l>>2]=0;p=j;q=f[e>>2]|0;r=f[i>>2]|0;s=f[g>>2]|0}f[l>>2]=q;f[o>>2]=r;f[p>>2]=f[e+8>>2];f[e>>2]=0;p=e+4|0;f[p>>2]=0;f[e+8>>2]=0;do if(s)if(s>>>0>1073741823)mq(e);else{r=s<<2;o=dn(r)|0;f[e>>2]=o;q=o+(s<<2)|0;f[e+8>>2]=q;hj(o|0,0,r|0)|0;f[p>>2]=q;t=q;v=o;break}else{t=0;v=0}while(0);s=a+152|0;o=f[s>>2]|0;q=f[o>>2]|0;r=o+4|0;if(!q){w=o+8|0;x=v;y=t}else{t=f[r>>2]|0;if((t|0)!=(q|0))f[r>>2]=t+(~((t+-4-q|0)>>>2)<<2);br(q);q=o+8|0;f[q>>2]=0;f[r>>2]=0;f[o>>2]=0;w=q;x=f[e>>2]|0;y=f[p>>2]|0}f[o>>2]=x;f[r>>2]=y;f[w>>2]=f[e+8>>2];w=f[b>>2]|0;y=b+4|0;r=f[y>>2]|0;x=f[y+4>>2]|0;y=f[c>>2]|0;o=c+4|0;p=f[o>>2]|0;q=f[o+4>>2]|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;f[e+12>>2]=0;f[e+16>>2]=0;f[e+20>>2]=0;o=e+8|0;t=e+4|0;v=e+16|0;l=e+20|0;i=r;Jc(e);j=f[t>>2]|0;h=(f[l>>2]|0)+(f[v>>2]|0)|0;if((f[o>>2]|0)==(j|0))z=0;else z=(f[j+(((h>>>0)/113|0)<<2)>>2]|0)+(((h>>>0)%113|0)*36|0)|0;f[z>>2]=w;h=z+4|0;f[h>>2]=r;f[h+4>>2]=x;f[z+12>>2]=y;h=z+16|0;f[h>>2]=p;f[h+4>>2]=q;f[z+24>>2]=0;f[z+28>>2]=y-w;f[z+32>>2]=0;z=(f[l>>2]|0)+1|0;f[l>>2]=z;if(z|0){w=a+128|0;y=a+60|0;h=a+56|0;j=a+48|0;m=a+52|0;n=a+44|0;A=b+8|0;B=c+8|0;C=a+12|0;D=a+100|0;E=a+96|0;F=a+88|0;G=a+92|0;H=a+84|0;I=i+4|0;J=i+24|0;K=i+24|0;L=p+24|0;M=z;while(1){z=f[v>>2]|0;N=M+-1|0;O=N+z|0;P=f[t>>2]|0;Q=f[P+(((O>>>0)/113|0)<<2)>>2]|0;R=(O>>>0)%113|0;O=f[Q+(R*36|0)>>2]|0;S=f[Q+(R*36|0)+12>>2]|0;T=f[Q+(R*36|0)+24>>2]|0;U=f[Q+(R*36|0)+32>>2]|0;f[l>>2]=N;N=f[o>>2]|0;R=N-P>>2;if((1-M-z+((R|0)==0?0:(R*113|0)+-1|0)|0)>>>0>225){br(f[N+-4>>2]|0);f[o>>2]=(f[o>>2]|0)+-4}f[b>>2]=O;f[c>>2]=S;N=f[k>>2]|0;R=((f[g>>2]|0)+-1|0)==(T|0)?0:T+1|0;T=(f[s>>2]|0)+(U*12|0)|0;z=S-O|0;P=(f[a>>2]|0)-(f[(f[T>>2]|0)+(R<<2)>>2]|0)|0;a:do 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x=Di(a)|0;if((x|0)==48){o=0;w=0;while(1){y=Tn(o|0,w|0,-1,-1)|0;z=I;A=f[m>>2]|0;if(A>>>0<(f[n>>2]|0)>>>0){f[m>>2]=A+1;B=h[A>>0]|0}else B=Di(a)|0;if((B|0)==48){o=y;w=z}else{q=1;r=B;s=1;t=y;v=z;break}}}else{q=1;r=x;s=b;t=0;v=0}}f[j>>2]=0;b=r+-48|0;x=(r|0)==46;b:do if(x|b>>>0<10){B=j+496|0;w=0;o=0;z=0;y=q;A=s;C=r;D=x;E=b;F=t;G=v;H=0;J=0;c:while(1){do if(D)if(!y){L=w;M=o;N=1;O=z;P=A;Q=H;R=J;S=H;T=J}else break c;else{U=Tn(H|0,J|0,1,0)|0;V=I;W=(C|0)!=48;if((o|0)>=125){if(!W){L=w;M=o;N=y;O=z;P=A;Q=F;R=G;S=U;T=V;break}f[B>>2]=f[B>>2]|1;L=w;M=o;N=y;O=z;P=A;Q=F;R=G;S=U;T=V;break}Y=j+(o<<2)|0;if(!w)Z=E;else Z=C+-48+((f[Y>>2]|0)*10|0)|0;f[Y>>2]=Z;Y=w+1|0;_=(Y|0)==9;L=_?0:Y;M=o+(_&1)|0;N=y;O=W?U:z;P=1;Q=F;R=G;S=U;T=V}while(0);V=f[m>>2]|0;if(V>>>0<(f[n>>2]|0)>>>0){f[m>>2]=V+1;$=h[V>>0]|0}else $=Di(a)|0;E=$+-48|0;D=($|0)==46;if(!(D|E>>>0<10)){aa=L;ba=M;ca=O;da=N;ea=$;fa=P;ga=S;ha=Q;ia=T;ja=R;p=29;break b}else{w=L;o=M;z=O;y=N;A=P;C=$;F=Q;G=R;H=S;J=T}}ka=w;la=o;ma=z;na=H;oa=J;pa=F;qa=G;ra=(A|0)!=0;p=37}else{aa=0;ba=0;ca=0;da=q;ea=r;fa=s;ga=0;ha=t;ia=0;ja=v;p=29}while(0);do if((p|0)==29){v=(da|0)==0;t=v?ga:ha;s=v?ia:ja;v=(fa|0)!=0;if(!(v&(ea|32|0)==101))if((ea|0)>-1){ka=aa;la=ba;ma=ca;na=ga;oa=ia;pa=t;qa=s;ra=v;p=37;break}else{sa=aa;ta=ba;ua=ca;va=ga;wa=ia;xa=v;ya=t;za=s;p=39;break}v=De(a,g)|0;r=I;if((v|0)==0&(r|0)==-2147483648){if(!g){Rm(a,0);Aa=0.0;break}if(!(f[n>>2]|0)){Ba=0;Ca=0}else{f[m>>2]=(f[m>>2]|0)+-1;Ba=0;Ca=0}}else{Ba=v;Ca=r}r=Tn(Ba|0,Ca|0,t|0,s|0)|0;Da=aa;Ea=ba;Fa=ca;Ga=r;Ha=ga;Ia=I;Ja=ia;p=41}while(0);if((p|0)==37)if(f[n>>2]|0){f[m>>2]=(f[m>>2]|0)+-1;if(ra){Da=ka;Ea=la;Fa=ma;Ga=pa;Ha=na;Ia=qa;Ja=oa;p=41}else p=40}else{sa=ka;ta=la;ua=ma;va=na;wa=oa;xa=ra;ya=pa;za=qa;p=39}if((p|0)==39)if(xa){Da=sa;Ea=ta;Fa=ua;Ga=ya;Ha=va;Ia=za;Ja=wa;p=41}else p=40;do if((p|0)==40){wa=ir()|0;f[wa>>2]=22;Rm(a,0);Aa=0.0}else 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d}else{sa=(y&2049|0)!=0&1;ta=(y&2048|0)==0?((y&1|0)==0?15494:15496):15495;ua=R;va=ja;z=67;break d}break}case 117:{ja=k;sa=0;ta=15494;ua=f[ja>>2]|0;va=f[ja+4>>2]|0;z=67;break}case 99:{b[r>>0]=f[k>>2];wa=r;xa=0;ya=15494;za=o;Aa=1;Ba=O;break}case 109:{ja=ir()|0;Ca=kp(f[ja>>2]|0)|0;z=72;break}case 115:{ja=f[k>>2]|0;Ca=ja|0?ja:15504;z=72;break}case 67:{f[m>>2]=f[k>>2];f[l>>2]=0;f[k>>2]=m;Da=-1;Ea=m;z=76;break}case 83:{ja=f[k>>2]|0;if(!$){Hk(a,32,X,0,y);Fa=0;z=85}else{Da=$;Ea=ja;z=76}break}case 65:case 71:case 70:case 69:case 97:case 103:case 102:case 101:{s=pb(a,+p[k>>3],X,$,y,Q)|0;t=x;v=Z;continue a;break}default:{wa=w;xa=0;ya=15494;za=o;Aa=$;Ba=y}}while(0);e:do if((z|0)==62){z=0;w=k;Q=f[w>>2]|0;K=f[w+4>>2]|0;w=ol(Q,K,o,fa&32)|0;F=(ha&8|0)==0|(Q|0)==0&(K|0)==0;ka=w;la=F?0:2;ma=F?15494:15494+(fa>>4)|0;na=ga;oa=ha;pa=Q;qa=K;z=68}else if((z|0)==67){z=0;ka=Jj(ua,va,o)|0;la=sa;ma=ta;na=$;oa=y;pa=ua;qa=va;z=68}else 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if(!m)if(k>>>0>1073741823)mq(e);else{o=k<<2;p=dn(o)|0;f[e>>2]=p;q=p+(k<<2)|0;f[e+8>>2]=q;hj(p|0,0,o|0)|0;f[i>>2]=q;break}while(0);f[g>>2]=0;k=g+4|0;f[k>>2]=0;f[g+8>>2]=0;f[h>>2]=0;if(!m){m=d+16|0;q=d+4|0;o=d+12|0;p=d+8|0;r=g+8|0;s=d+24|0;t=0;v=0;while(1){w=f[m>>2]|0;x=f[w+8>>2]|0;y=(f[w+12>>2]|0)-x|0;w=(y|0)>0;z=x;if(w){x=y>>>2;A=0;B=0;while(1){C=f[z+(A<<2)>>2]|0;if(!(b[C+84>>0]|0))D=f[(f[C+68>>2]|0)+(v<<2)>>2]|0;else D=v;C=D+239^B;A=A+1|0;if((A|0)>=(x|0)){E=C;break}else B=C}}else E=0;B=f[q>>2]|0;x=(B|0)==0;a:do if(!x){A=B+-1|0;C=(A&B|0)==0;if(!C)if(E>>>0>>0)F=E;else F=(E>>>0)%(B>>>0)|0;else F=A&E;G=f[(f[d>>2]|0)+(F<<2)>>2]|0;if((G|0)!=0?(H=f[G>>2]|0,(H|0)!=0):0){G=f[s>>2]|0;I=G+8|0;J=G+12|0;b:do if(C){G=H;while(1){K=f[G+4>>2]|0;L=(K|0)==(E|0);if(!(L|(K&A|0)==(F|0))){M=44;break a}c:do if(L){K=f[G+8>>2]|0;N=f[I>>2]|0;O=(f[J>>2]|0)-N|0;P=N;if((O|0)<=0){Q=G;break b}N=O>>>2;O=0;while(1){R=f[P+(O<<2)>>2]|0;if(!(b[R+84>>0]|0)){S=f[R+68>>2]|0;T=f[S+(v<<2)>>2]|0;U=f[S+(K<<2)>>2]|0}else{T=v;U=K}O=O+1|0;if((U|0)!=(T|0))break c;if((O|0)>=(N|0)){V=G;M=42;break b}}}while(0);G=f[G>>2]|0;if(!G){M=44;break a}}}else{G=H;while(1){L=f[G+4>>2]|0;d:do if((L|0)!=(E|0)){if(L>>>0>>0)X=L;else X=(L>>>0)%(B>>>0)|0;if((X|0)!=(F|0)){M=44;break a}}else{N=f[G+8>>2]|0;O=f[I>>2]|0;K=(f[J>>2]|0)-O|0;P=O;if((K|0)<=0){Q=G;break b}O=K>>>2;K=0;while(1){S=f[P+(K<<2)>>2]|0;if(!(b[S+84>>0]|0)){R=f[S+68>>2]|0;Y=f[R+(v<<2)>>2]|0;Z=f[R+(N<<2)>>2]|0}else{Y=v;Z=N}K=K+1|0;if((Z|0)!=(Y|0))break d;if((K|0)>=(O|0)){V=G;M=42;break b}}}while(0);G=f[G>>2]|0;if(!G){M=44;break a}}}while(0);if((M|0)==42){M=0;if(!V){M=44;break}else Q=V}f[(f[e>>2]|0)+(v<<2)>>2]=f[Q+12>>2];_=t}else M=44}else M=44;while(0);do if((M|0)==44){M=0;if(w){J=y>>>2;I=0;H=0;while(1){A=f[z+(I<<2)>>2]|0;if(!(b[A+84>>0]|0))aa=f[(f[A+68>>2]|0)+(v<<2)>>2]|0;else aa=v;A=aa+239^H;I=I+1|0;if((I|0)>=(J|0)){ba=A;break}else H=A}}else ba=0;e:do if(!x){H=B+-1|0;J=(H&B|0)==0;if(!J)if(ba>>>0>>0)ca=ba;else ca=(ba>>>0)%(B>>>0)|0;else ca=H&ba;I=f[(f[d>>2]|0)+(ca<<2)>>2]|0;if((I|0)!=0?(A=f[I>>2]|0,(A|0)!=0):0){I=f[s>>2]|0;C=I+8|0;G=I+12|0;if(J){J=A;while(1){I=f[J+4>>2]|0;if(!((I|0)==(ba|0)|(I&H|0)==(ca|0))){da=ca;M=76;break e}I=f[J+8>>2]|0;L=f[C>>2]|0;O=(f[G>>2]|0)-L|0;K=L;if((O|0)<=0){ea=v;break e}L=O>>>2;O=0;while(1){N=f[K+(O<<2)>>2]|0;if(!(b[N+84>>0]|0)){P=f[N+68>>2]|0;fa=f[P+(v<<2)>>2]|0;ga=f[P+(I<<2)>>2]|0}else{fa=v;ga=I}O=O+1|0;if((ga|0)!=(fa|0))break;if((O|0)>=(L|0)){ea=v;break e}}J=f[J>>2]|0;if(!J){da=ca;M=76;break e}}}else ha=A;while(1){J=f[ha+4>>2]|0;if((J|0)!=(ba|0)){if(J>>>0>>0)ia=J;else ia=(J>>>0)%(B>>>0)|0;if((ia|0)!=(ca|0)){da=ca;M=76;break e}}J=f[ha+8>>2]|0;H=f[C>>2]|0;L=(f[G>>2]|0)-H|0;O=H;if((L|0)<=0){ea=v;break e}H=L>>>2;L=0;while(1){I=f[O+(L<<2)>>2]|0;if(!(b[I+84>>0]|0)){K=f[I+68>>2]|0;ja=f[K+(v<<2)>>2]|0;ka=f[K+(J<<2)>>2]|0}else{ja=v;ka=J}L=L+1|0;if((ka|0)!=(ja|0))break;if((L|0)>=(H|0)){ea=v;break e}}ha=f[ha>>2]|0;if(!ha){da=ca;M=76;break}}}else{da=ca;M=76}}else{da=0;M=76}while(0);if((M|0)==76){M=0;G=dn(16)|0;f[G+8>>2]=v;f[G+12>>2]=t;f[G+4>>2]=ba;f[G>>2]=0;la=$(((f[o>>2]|0)+1|0)>>>0);ma=$(B>>>0);na=$(n[l>>2]);do if(x|$(na*ma)>>0<3|(B+-1&B|0)!=0)&1;A=~~$(W($(la/na)))>>>0;qh(d,C>>>0>>0?A:C);C=f[q>>2]|0;A=C+-1|0;if(!(A&C)){oa=C;pa=A&ba;break}if(ba>>>0>>0){oa=C;pa=ba}else{oa=C;pa=(ba>>>0)%(C>>>0)|0}}else{oa=B;pa=da}while(0);C=(f[d>>2]|0)+(pa<<2)|0;A=f[C>>2]|0;if(!A){f[G>>2]=f[p>>2];f[p>>2]=G;f[C>>2]=p;C=f[G>>2]|0;if(C|0){H=f[C+4>>2]|0;C=oa+-1|0;if(C&oa)if(H>>>0>>0)qa=H;else qa=(H>>>0)%(oa>>>0)|0;else qa=H&C;ra=(f[d>>2]|0)+(qa<<2)|0;M=89}}else{f[G>>2]=f[A>>2];ra=A;M=89}if((M|0)==89){M=0;f[ra>>2]=G}f[o>>2]=(f[o>>2]|0)+1;ea=f[h>>2]|0}A=t+1|0;f[(f[e>>2]|0)+(ea<<2)>>2]=t;C=f[k>>2]|0;if((C|0)==(f[r>>2]|0)){Ci(g,h);_=A;break}else{f[C>>2]=f[h>>2];f[k>>2]=C+4;_=A;break}}while(0);v=(f[h>>2]|0)+1|0;f[h>>2]=v;sa=f[j>>2]|0;if(v>>>0>=sa>>>0)break;else t=_}if((_|0)!=(sa|0)){Xa[f[(f[a>>2]|0)+24>>2]&15](a,e,g);f[j>>2]=_}}_=f[g>>2]|0;if(_|0){g=f[k>>2]|0;if((g|0)!=(_|0))f[k>>2]=g+(~((g+-4-_|0)>>>2)<<2);br(_)}_=f[e>>2]|0;if(_|0){e=f[i>>2]|0;if((e|0)!=(_|0))f[i>>2]=e+(~((e+-4-_|0)>>>2)<<2);br(_)}_=f[d+8>>2]|0;if(_|0){e=_;do{_=e;e=f[e>>2]|0;br(_)}while((e|0)!=0)}e=f[d>>2]|0;f[d>>2]=0;if(!e){u=c;return}br(e);u=c;return}function sb(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0;g=u;u=u+80|0;h=g+76|0;i=g+72|0;j=g+48|0;k=g+24|0;l=g;m=a+32|0;n=f[c>>2]|0;c=n+1|0;if((n|0)!=-1){o=((c>>>0)%3|0|0)==0?n+-2|0:c;c=(((n>>>0)%3|0|0)==0?2:-1)+n|0;if((o|0)==-1)p=-1;else p=f[(f[f[m>>2]>>2]|0)+(o<<2)>>2]|0;if((c|0)==-1){q=p;r=-1}else{q=p;r=f[(f[f[m>>2]>>2]|0)+(c<<2)>>2]|0}}else{q=-1;r=-1}c=f[a+36>>2]|0;m=f[c>>2]|0;p=(f[c+4>>2]|0)-m>>2;if(p>>>0<=q>>>0)mq(c);o=m;m=f[o+(q<<2)>>2]|0;if(p>>>0<=r>>>0)mq(c);c=f[o+(r<<2)>>2]|0;r=(m|0)<(e|0);do if(r&(c|0)<(e|0)){o=m<<1;p=f[d+(o<<2)>>2]|0;q=((p|0)<0)<<31>>31;n=f[d+((o|1)<<2)>>2]|0;o=((n|0)<0)<<31>>31;s=c<<1;t=f[d+(s<<2)>>2]|0;v=f[d+((s|1)<<2)>>2]|0;if(!((t|0)!=(p|0)|(v|0)!=(n|0))){f[a+8>>2]=p;f[a+12>>2]=n;u=g;return 1}s=a+4|0;w=f[(f[s>>2]|0)+(e<<2)>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;f[j+16>>2]=0;f[j+20>>2]=0;x=f[a>>2]|0;if(!(b[x+84>>0]|0))y=f[(f[x+68>>2]|0)+(w<<2)>>2]|0;else y=w;f[i>>2]=y;w=b[x+24>>0]|0;f[h>>2]=f[i>>2];ub(x,h,w,j)|0;w=f[(f[s>>2]|0)+(m<<2)>>2]|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;x=f[a>>2]|0;if(!(b[x+84>>0]|0))z=f[(f[x+68>>2]|0)+(w<<2)>>2]|0;else z=w;f[i>>2]=z;w=b[x+24>>0]|0;f[h>>2]=f[i>>2];ub(x,h,w,k)|0;w=f[(f[s>>2]|0)+(c<<2)>>2]|0;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;f[l+12>>2]=0;f[l+16>>2]=0;f[l+20>>2]=0;s=f[a>>2]|0;if(!(b[s+84>>0]|0))A=f[(f[s+68>>2]|0)+(w<<2)>>2]|0;else A=w;f[i>>2]=A;w=b[s+24>>0]|0;f[h>>2]=f[i>>2];ub(s,h,w,l)|0;w=l;s=k;x=f[s>>2]|0;B=f[s+4>>2]|0;s=Vn(f[w>>2]|0,f[w+4>>2]|0,x|0,B|0)|0;w=I;C=l+8|0;D=k+8|0;E=f[D>>2]|0;F=f[D+4>>2]|0;D=Vn(f[C>>2]|0,f[C+4>>2]|0,E|0,F|0)|0;C=I;G=l+16|0;H=k+16|0;J=f[H>>2]|0;K=f[H+4>>2]|0;H=Vn(f[G>>2]|0,f[G+4>>2]|0,J|0,K|0)|0;G=I;L=on(s|0,w|0,s|0,w|0)|0;M=I;N=on(D|0,C|0,D|0,C|0)|0;O=Tn(N|0,I|0,L|0,M|0)|0;M=I;L=on(H|0,G|0,H|0,G|0)|0;N=Tn(O|0,M|0,L|0,I|0)|0;L=I;if((N|0)==0&(L|0)==0)break;M=j;O=Vn(f[M>>2]|0,f[M+4>>2]|0,x|0,B|0)|0;B=I;x=j+8|0;M=Vn(f[x>>2]|0,f[x+4>>2]|0,E|0,F|0)|0;F=I;E=j+16|0;x=Vn(f[E>>2]|0,f[E+4>>2]|0,J|0,K|0)|0;K=I;J=on(O|0,B|0,s|0,w|0)|0;E=I;P=on(M|0,F|0,D|0,C|0)|0;Q=Tn(P|0,I|0,J|0,E|0)|0;E=I;J=on(x|0,K|0,H|0,G|0)|0;P=Tn(Q|0,E|0,J|0,I|0)|0;J=I;E=Vn(t|0,((t|0)<0)<<31>>31|0,p|0,q|0)|0;t=I;Q=Vn(v|0,((v|0)<0)<<31>>31|0,n|0,o|0)|0;v=I;R=on(N|0,L|0,p|0,q|0)|0;q=I;p=on(N|0,L|0,n|0,o|0)|0;o=I;n=on(P|0,J|0,E|0,t|0)|0;S=I;T=on(P|0,J|0,Q|0,v|0)|0;U=I;V=Tn(n|0,S|0,R|0,q|0)|0;q=I;R=Tn(T|0,U|0,p|0,o|0)|0;o=I;p=on(P|0,J|0,s|0,w|0)|0;w=I;s=on(P|0,J|0,D|0,C|0)|0;C=I;D=on(P|0,J|0,H|0,G|0)|0;G=I;H=zk(p|0,w|0,N|0,L|0)|0;w=I;p=zk(s|0,C|0,N|0,L|0)|0;C=I;s=zk(D|0,G|0,N|0,L|0)|0;G=I;D=Vn(O|0,B|0,H|0,w|0)|0;w=I;H=Vn(M|0,F|0,p|0,C|0)|0;C=I;p=Vn(x|0,K|0,s|0,G|0)|0;G=I;s=on(D|0,w|0,D|0,w|0)|0;w=I;D=on(H|0,C|0,H|0,C|0)|0;C=Tn(D|0,I|0,s|0,w|0)|0;w=I;s=on(p|0,G|0,p|0,G|0)|0;G=Tn(C|0,w|0,s|0,I|0)|0;s=I;w=Vn(0,0,E|0,t|0)|0;t=I;E=on(G|0,s|0,N|0,L|0)|0;s=I;switch(E|0){case 0:{if(!s){W=0;X=0}else{Y=1;Z=0;_=E;$=s;aa=23}break}case 1:{if(!s){ba=1;ca=0;aa=24}else{Y=1;Z=0;_=E;$=s;aa=23}break}default:{Y=1;Z=0;_=E;$=s;aa=23}}if((aa|0)==23)while(1){aa=0;G=Rn(Y|0,Z|0,1)|0;C=I;p=_;_=Wn(_|0,$|0,2)|0;if(!($>>>0>0|($|0)==0&p>>>0>7)){ba=G;ca=C;aa=24;break}else{Y=G;Z=C;$=I;aa=23}}if((aa|0)==24)while(1){aa=0;C=up(E|0,s|0,ba|0,ca|0)|0;G=Tn(C|0,I|0,ba|0,ca|0)|0;C=Wn(G|0,I|0,1)|0;G=I;p=on(C|0,G|0,C|0,G|0)|0;D=I;if(D>>>0>s>>>0|(D|0)==(s|0)&p>>>0>E>>>0){ba=C;ca=G;aa=24}else{W=C;X=G;break}}E=on(W|0,X|0,Q|0,v|0)|0;s=I;G=on(W|0,X|0,w|0,t|0)|0;C=I;p=Tn(E|0,s|0,V|0,q|0)|0;D=I;H=Tn(G|0,C|0,R|0,o|0)|0;K=I;x=zk(p|0,D|0,N|0,L|0)|0;D=I;p=zk(H|0,K|0,N|0,L|0)|0;K=I;H=Vn(V|0,q|0,E|0,s|0)|0;s=I;E=Vn(R|0,o|0,G|0,C|0)|0;C=I;G=zk(H|0,s|0,N|0,L|0)|0;s=I;H=zk(E|0,C|0,N|0,L|0)|0;C=I;E=e<<1;F=f[d+(E<<2)>>2]|0;M=((F|0)<0)<<31>>31;B=f[d+((E|1)<<2)>>2]|0;E=((B|0)<0)<<31>>31;O=Vn(F|0,M|0,x|0,D|0)|0;J=I;P=Vn(B|0,E|0,p|0,K|0)|0;U=I;T=on(O|0,J|0,O|0,J|0)|0;J=I;O=on(P|0,U|0,P|0,U|0)|0;U=Tn(O|0,I|0,T|0,J|0)|0;J=I;T=Vn(F|0,M|0,G|0,s|0)|0;M=I;F=Vn(B|0,E|0,H|0,C|0)|0;E=I;B=on(T|0,M|0,T|0,M|0)|0;M=I;T=on(F|0,E|0,F|0,E|0)|0;E=Tn(T|0,I|0,B|0,M|0)|0;M=I;B=a+16|0;T=a+20|0;F=f[T>>2]|0;O=f[a+24>>2]|0;P=(F|0)==(O<<5|0);if(J>>>0>>0|(J|0)==(M|0)&U>>>0>>0){do if(P)if((F+1|0)<0)mq(B);else{E=O<<6;U=F+32&-32;hi(B,F>>>0<1073741823?(E>>>0>>0?U:E):2147483647);da=f[T>>2]|0;break}else da=F;while(0);f[T>>2]=da+1;L=(f[B>>2]|0)+(da>>>5<<2)|0;f[L>>2]=f[L>>2]|1<<(da&31);ea=x;fa=p;ga=K;ha=D}else{do if(P)if((F+1|0)<0)mq(B);else{L=O<<6;N=F+32&-32;hi(B,F>>>0<1073741823?(L>>>0>>0?N:L):2147483647);ia=f[T>>2]|0;break}else ia=F;while(0);f[T>>2]=ia+1;F=(f[B>>2]|0)+(ia>>>5<<2)|0;f[F>>2]=f[F>>2]&~(1<<(ia&31));ea=G;fa=H;ga=C;ha=s}f[a+8>>2]=ea;f[a+12>>2]=fa;u=g;return 1}while(0);do if(r)ja=m<<1;else{if((e|0)>0){ja=(e<<1)+-2|0;break}fa=a+8|0;f[fa>>2]=0;f[fa+4>>2]=0;u=g;return 1}while(0);f[a+8>>2]=f[d+(ja<<2)>>2];f[a+12>>2]=f[d+(ja+1<<2)>>2];u=g;return 1}function tb(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0;g=u;u=u+80|0;h=g+76|0;i=g+72|0;j=g+48|0;k=g+24|0;l=g;m=a+32|0;n=f[c>>2]|0;c=n+1|0;do if((n|0)!=-1){o=((c>>>0)%3|0|0)==0?n+-2|0:c;if(!((n>>>0)%3|0)){p=n+2|0;q=o;break}else{p=n+-1|0;q=o;break}}else{p=-1;q=-1}while(0);n=f[(f[m>>2]|0)+28>>2]|0;m=f[n+(q<<2)>>2]|0;q=f[n+(p<<2)>>2]|0;p=f[a+36>>2]|0;n=f[p>>2]|0;c=(f[p+4>>2]|0)-n>>2;if(c>>>0<=m>>>0)mq(p);o=n;n=f[o+(m<<2)>>2]|0;if(c>>>0<=q>>>0)mq(p);p=f[o+(q<<2)>>2]|0;q=(n|0)<(e|0);do if(q&(p|0)<(e|0)){o=n<<1;c=f[d+(o<<2)>>2]|0;m=((c|0)<0)<<31>>31;r=f[d+((o|1)<<2)>>2]|0;o=((r|0)<0)<<31>>31;s=p<<1;t=f[d+(s<<2)>>2]|0;v=f[d+((s|1)<<2)>>2]|0;if(!((t|0)!=(c|0)|(v|0)!=(r|0))){f[a+8>>2]=c;f[a+12>>2]=r;u=g;return 1}s=a+4|0;w=f[(f[s>>2]|0)+(e<<2)>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;f[j+16>>2]=0;f[j+20>>2]=0;x=f[a>>2]|0;if(!(b[x+84>>0]|0))y=f[(f[x+68>>2]|0)+(w<<2)>>2]|0;else y=w;f[i>>2]=y;w=b[x+24>>0]|0;f[h>>2]=f[i>>2];ub(x,h,w,j)|0;w=f[(f[s>>2]|0)+(n<<2)>>2]|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;x=f[a>>2]|0;if(!(b[x+84>>0]|0))z=f[(f[x+68>>2]|0)+(w<<2)>>2]|0;else z=w;f[i>>2]=z;w=b[x+24>>0]|0;f[h>>2]=f[i>>2];ub(x,h,w,k)|0;w=f[(f[s>>2]|0)+(p<<2)>>2]|0;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;f[l+12>>2]=0;f[l+16>>2]=0;f[l+20>>2]=0;s=f[a>>2]|0;if(!(b[s+84>>0]|0))A=f[(f[s+68>>2]|0)+(w<<2)>>2]|0;else A=w;f[i>>2]=A;w=b[s+24>>0]|0;f[h>>2]=f[i>>2];ub(s,h,w,l)|0;w=l;s=k;x=f[s>>2]|0;B=f[s+4>>2]|0;s=Vn(f[w>>2]|0,f[w+4>>2]|0,x|0,B|0)|0;w=I;C=l+8|0;D=k+8|0;E=f[D>>2]|0;F=f[D+4>>2]|0;D=Vn(f[C>>2]|0,f[C+4>>2]|0,E|0,F|0)|0;C=I;G=l+16|0;H=k+16|0;J=f[H>>2]|0;K=f[H+4>>2]|0;H=Vn(f[G>>2]|0,f[G+4>>2]|0,J|0,K|0)|0;G=I;L=on(s|0,w|0,s|0,w|0)|0;M=I;N=on(D|0,C|0,D|0,C|0)|0;O=Tn(N|0,I|0,L|0,M|0)|0;M=I;L=on(H|0,G|0,H|0,G|0)|0;N=Tn(O|0,M|0,L|0,I|0)|0;L=I;if((N|0)==0&(L|0)==0)break;M=j;O=Vn(f[M>>2]|0,f[M+4>>2]|0,x|0,B|0)|0;B=I;x=j+8|0;M=Vn(f[x>>2]|0,f[x+4>>2]|0,E|0,F|0)|0;F=I;E=j+16|0;x=Vn(f[E>>2]|0,f[E+4>>2]|0,J|0,K|0)|0;K=I;J=on(O|0,B|0,s|0,w|0)|0;E=I;P=on(M|0,F|0,D|0,C|0)|0;Q=Tn(P|0,I|0,J|0,E|0)|0;E=I;J=on(x|0,K|0,H|0,G|0)|0;P=Tn(Q|0,E|0,J|0,I|0)|0;J=I;E=Vn(t|0,((t|0)<0)<<31>>31|0,c|0,m|0)|0;t=I;Q=Vn(v|0,((v|0)<0)<<31>>31|0,r|0,o|0)|0;v=I;R=on(N|0,L|0,c|0,m|0)|0;m=I;c=on(N|0,L|0,r|0,o|0)|0;o=I;r=on(P|0,J|0,E|0,t|0)|0;S=I;T=on(P|0,J|0,Q|0,v|0)|0;U=I;V=Tn(r|0,S|0,R|0,m|0)|0;m=I;R=Tn(T|0,U|0,c|0,o|0)|0;o=I;c=on(P|0,J|0,s|0,w|0)|0;w=I;s=on(P|0,J|0,D|0,C|0)|0;C=I;D=on(P|0,J|0,H|0,G|0)|0;G=I;H=zk(c|0,w|0,N|0,L|0)|0;w=I;c=zk(s|0,C|0,N|0,L|0)|0;C=I;s=zk(D|0,G|0,N|0,L|0)|0;G=I;D=Vn(O|0,B|0,H|0,w|0)|0;w=I;H=Vn(M|0,F|0,c|0,C|0)|0;C=I;c=Vn(x|0,K|0,s|0,G|0)|0;G=I;s=on(D|0,w|0,D|0,w|0)|0;w=I;D=on(H|0,C|0,H|0,C|0)|0;C=Tn(D|0,I|0,s|0,w|0)|0;w=I;s=on(c|0,G|0,c|0,G|0)|0;G=Tn(C|0,w|0,s|0,I|0)|0;s=I;w=Vn(0,0,E|0,t|0)|0;t=I;E=on(G|0,s|0,N|0,L|0)|0;s=I;switch(E|0){case 0:{if(!s){W=0;X=0}else{Y=1;Z=0;_=E;$=s;aa=22}break}case 1:{if(!s){ba=1;ca=0;aa=23}else{Y=1;Z=0;_=E;$=s;aa=22}break}default:{Y=1;Z=0;_=E;$=s;aa=22}}if((aa|0)==22)while(1){aa=0;G=Rn(Y|0,Z|0,1)|0;C=I;c=_;_=Wn(_|0,$|0,2)|0;if(!($>>>0>0|($|0)==0&c>>>0>7)){ba=G;ca=C;aa=23;break}else{Y=G;Z=C;$=I;aa=22}}if((aa|0)==23)while(1){aa=0;C=up(E|0,s|0,ba|0,ca|0)|0;G=Tn(C|0,I|0,ba|0,ca|0)|0;C=Wn(G|0,I|0,1)|0;G=I;c=on(C|0,G|0,C|0,G|0)|0;D=I;if(D>>>0>s>>>0|(D|0)==(s|0)&c>>>0>E>>>0){ba=C;ca=G;aa=23}else{W=C;X=G;break}}E=on(W|0,X|0,Q|0,v|0)|0;s=I;G=on(W|0,X|0,w|0,t|0)|0;C=I;c=Tn(E|0,s|0,V|0,m|0)|0;D=I;H=Tn(G|0,C|0,R|0,o|0)|0;K=I;x=zk(c|0,D|0,N|0,L|0)|0;D=I;c=zk(H|0,K|0,N|0,L|0)|0;K=I;H=Vn(V|0,m|0,E|0,s|0)|0;s=I;E=Vn(R|0,o|0,G|0,C|0)|0;C=I;G=zk(H|0,s|0,N|0,L|0)|0;s=I;H=zk(E|0,C|0,N|0,L|0)|0;C=I;E=e<<1;F=f[d+(E<<2)>>2]|0;M=((F|0)<0)<<31>>31;B=f[d+((E|1)<<2)>>2]|0;E=((B|0)<0)<<31>>31;O=Vn(F|0,M|0,x|0,D|0)|0;J=I;P=Vn(B|0,E|0,c|0,K|0)|0;U=I;T=on(O|0,J|0,O|0,J|0)|0;J=I;O=on(P|0,U|0,P|0,U|0)|0;U=Tn(O|0,I|0,T|0,J|0)|0;J=I;T=Vn(F|0,M|0,G|0,s|0)|0;M=I;F=Vn(B|0,E|0,H|0,C|0)|0;E=I;B=on(T|0,M|0,T|0,M|0)|0;M=I;T=on(F|0,E|0,F|0,E|0)|0;E=Tn(T|0,I|0,B|0,M|0)|0;M=I;B=a+16|0;T=a+20|0;F=f[T>>2]|0;O=f[a+24>>2]|0;P=(F|0)==(O<<5|0);if(J>>>0>>0|(J|0)==(M|0)&U>>>0>>0){do if(P)if((F+1|0)<0)mq(B);else{E=O<<6;U=F+32&-32;hi(B,F>>>0<1073741823?(E>>>0>>0?U:E):2147483647);da=f[T>>2]|0;break}else da=F;while(0);f[T>>2]=da+1;L=(f[B>>2]|0)+(da>>>5<<2)|0;f[L>>2]=f[L>>2]|1<<(da&31);ea=x;fa=c;ga=K;ha=D}else{do if(P)if((F+1|0)<0)mq(B);else{L=O<<6;N=F+32&-32;hi(B,F>>>0<1073741823?(L>>>0>>0?N:L):2147483647);ia=f[T>>2]|0;break}else ia=F;while(0);f[T>>2]=ia+1;F=(f[B>>2]|0)+(ia>>>5<<2)|0;f[F>>2]=f[F>>2]&~(1<<(ia&31));ea=G;fa=H;ga=C;ha=s}f[a+8>>2]=ea;f[a+12>>2]=fa;u=g;return 1}while(0);do if(q)ja=n<<1;else{if((e|0)>0){ja=(e<<1)+-2|0;break}fa=a+8|0;f[fa>>2]=0;f[fa+4>>2]=0;u=g;return 1}while(0);f[a+8>>2]=f[d+(ja<<2)>>2];f[a+12>>2]=f[d+(ja+1<<2)>>2];u=g;return 1}function ub(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var i=0,k=0,l=0,m=0,o=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=Oa,D=0,E=0.0,F=0,G=0;if(!g){i=0;return i|0}do switch(f[a+28>>2]|0){case 1:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){m=f[f[a>>2]>>2]|0;o=a+40|0;q=on(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Tn(q|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=m+r|0;r=0;while(1){m=b[o>>0]|0;q=g+(r<<3)|0;f[q>>2]=m;f[q+4>>2]=((m|0)<0)<<31>>31;r=r+1|0;m=b[k>>0]|0;if((r|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){s=m;break}else o=o+1|0}}else s=l;o=s<<24>>24;if(s<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(o<<3)|0,0,(e<<24>>24)-o<<3|0)|0;i=1;return i|0}case 2:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=on(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Tn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){k=g+(t<<3)|0;f[k>>2]=h[m>>0];f[k+4>>2]=0;t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){u=k;break}else m=m+1|0}}else u=r;m=u<<24>>24;if(u<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(m<<3)|0,0,(e<<24>>24)-m<<3|0)|0;i=1;return i|0}case 3:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=on(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Tn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){o=d[l>>1]|0;k=g+(q<<3)|0;f[k>>2]=o;f[k+4>>2]=((o|0)<0)<<31>>31;q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){v=o;break}else l=l+2|0}}else v=t;l=v<<24>>24;if(v<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(l<<3)|0,0,(e<<24>>24)-l<<3|0)|0;i=1;return i|0}case 4:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=on(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Tn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){m=g+(k<<3)|0;f[m>>2]=j[r>>1];f[m+4>>2]=0;k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){w=m;break}else r=r+2|0}}else w=q;r=w<<24>>24;if(w<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(r<<3)|0,0,(e<<24>>24)-r<<3|0)|0;i=1;return i|0}case 5:{r=a+24|0;k=b[r>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0){l=f[f[a>>2]>>2]|0;t=a+40|0;m=on(f[t>>2]|0,f[t+4>>2]|0,f[c>>2]|0,0)|0;t=a+48|0;o=Tn(m|0,I|0,f[t>>2]|0,f[t+4>>2]|0)|0;t=l+o|0;o=0;while(1){l=f[t>>2]|0;m=g+(o<<3)|0;f[m>>2]=l;f[m+4>>2]=((l|0)<0)<<31>>31;o=o+1|0;l=b[r>>0]|0;if((o|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){x=l;break}else t=t+4|0}}else x=k;t=x<<24>>24;if(x<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(t<<3)|0,0,(e<<24>>24)-t<<3|0)|0;i=1;return i|0}case 6:{t=a+24|0;o=b[t>>0]|0;if((o<<24>>24>e<<24>>24?e:o)<<24>>24>0){r=f[f[a>>2]>>2]|0;q=a+40|0;l=on(f[q>>2]|0,f[q+4>>2]|0,f[c>>2]|0,0)|0;q=a+48|0;m=Tn(l|0,I|0,f[q>>2]|0,f[q+4>>2]|0)|0;q=r+m|0;m=0;while(1){r=g+(m<<3)|0;f[r>>2]=f[q>>2];f[r+4>>2]=0;m=m+1|0;r=b[t>>0]|0;if((m|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){y=r;break}else q=q+4|0}}else y=o;q=y<<24>>24;if(y<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(q<<3)|0,0,(e<<24>>24)-q<<3|0)|0;i=1;return i|0}case 7:{q=a+24|0;m=b[q>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0){t=f[f[a>>2]>>2]|0;k=a+40|0;r=on(f[k>>2]|0,f[k+4>>2]|0,f[c>>2]|0,0)|0;k=a+48|0;l=Tn(r|0,I|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=t+l|0;l=0;while(1){t=k;r=f[t+4>>2]|0;z=g+(l<<3)|0;f[z>>2]=f[t>>2];f[z+4>>2]=r;l=l+1|0;r=b[q>>0]|0;if((l|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){A=r;break}else k=k+8|0}}else A=m;k=A<<24>>24;if(A<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(k<<3)|0,0,(e<<24>>24)-k<<3|0)|0;i=1;return i|0}case 8:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){q=f[f[a>>2]>>2]|0;o=a+40|0;r=on(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;z=Tn(r|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=q+z|0;z=0;while(1){q=o;r=f[q+4>>2]|0;t=g+(z<<3)|0;f[t>>2]=f[q>>2];f[t+4>>2]=r;z=z+1|0;r=b[k>>0]|0;if((z|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){B=r;break}else o=o+8|0}}else B=l;o=B<<24>>24;if(B<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(o<<3)|0,0,(e<<24>>24)-o<<3|0)|0;i=1;return i|0}case 9:{o=a+24|0;z=b[o>>0]|0;if((z<<24>>24>e<<24>>24?e:z)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;r=on(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Tn(r|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){C=$(n[m>>2]);k=+K(+C)>=1.0?(+C>0.0?~~+Y(+J(+C/4294967296.0),4294967295.0)>>>0:~~+W((+C-+(~~+C>>>0))/4294967296.0)>>>0):0;r=g+(t<<3)|0;f[r>>2]=~~+C>>>0;f[r+4>>2]=k;t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){D=k;break}else m=m+4|0}}else D=z;m=D<<24>>24;if(D<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(m<<3)|0,0,(e<<24>>24)-m<<3|0)|0;i=1;return i|0}case 10:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=on(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;r=Tn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+r|0;r=0;while(1){E=+p[l>>3];o=+K(E)>=1.0?(E>0.0?~~+Y(+J(E/4294967296.0),4294967295.0)>>>0:~~+W((E-+(~~E>>>0))/4294967296.0)>>>0):0;k=g+(r<<3)|0;f[k>>2]=~~E>>>0;f[k+4>>2]=o;r=r+1|0;o=b[m>>0]|0;if((r|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){F=o;break}else l=l+8|0}}else F=t;l=F<<24>>24;if(F<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(l<<3)|0,0,(e<<24>>24)-l<<3|0)|0;i=1;return i|0}case 11:{l=a+24|0;r=b[l>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){m=f[f[a>>2]>>2]|0;z=a+40|0;o=on(f[z>>2]|0,f[z+4>>2]|0,f[c>>2]|0,0)|0;z=a+48|0;k=Tn(o|0,I|0,f[z>>2]|0,f[z+4>>2]|0)|0;z=m+k|0;k=0;while(1){m=g+(k<<3)|0;f[m>>2]=h[z>>0];f[m+4>>2]=0;k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){G=m;break}else z=z+1|0}}else G=r;z=G<<24>>24;if(G<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(z<<3)|0,0,(e<<24>>24)-z<<3|0)|0;i=1;return i|0}default:{i=0;return i|0}}while(0);return 0}function vb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0;c=u;u=u+16|0;d=c+8|0;e=c;if((f[a+92>>2]|0)==(f[a+88>>2]|0)){u=c;return 1}g=a+52|0;h=f[g>>2]|0;if((h|0)==(f[a+56>>2]|0)){Ci(a+48|0,b);i=b}else{f[h>>2]=f[b>>2];f[g>>2]=h+4;i=b}b=a+84|0;f[b>>2]=0;h=a+4|0;g=f[h>>2]|0;j=f[i>>2]|0;k=j+1|0;if((j|0)!=-1){l=((k>>>0)%3|0|0)==0?j+-2|0:k;if((l|0)==-1)m=-1;else m=f[(f[g>>2]|0)+(l<<2)>>2]|0;l=(((j>>>0)%3|0|0)==0?2:-1)+j|0;if((l|0)==-1){n=m;o=-1}else{n=m;o=f[(f[g>>2]|0)+(l<<2)>>2]|0}}else{n=-1;o=-1}l=a+36|0;g=f[l>>2]|0;m=g+(n>>>5<<2)|0;j=1<<(n&31);k=f[m>>2]|0;if(!(k&j)){f[m>>2]=k|j;j=f[i>>2]|0;k=j+1|0;if((j|0)==-1)p=-1;else p=((k>>>0)%3|0|0)==0?j+-2|0:k;f[e>>2]=p;k=f[(f[(f[a+16>>2]|0)+96>>2]|0)+(((p>>>0)/3|0)*12|0)+(((p>>>0)%3|0)<<2)>>2]|0;p=f[a+20>>2]|0;f[d>>2]=k;j=f[p+4>>2]|0;p=j+4|0;m=f[p>>2]|0;if((m|0)==(f[j+8>>2]|0))Ci(j,d);else{f[m>>2]=k;f[p>>2]=m+4}m=a+12|0;p=f[m>>2]|0;k=p+4|0;j=f[k>>2]|0;if((j|0)==(f[p+8>>2]|0)){Ci(p,e);q=f[m>>2]|0}else{f[j>>2]=f[e>>2];f[k>>2]=j+4;q=p}p=q+24|0;f[(f[q+12>>2]|0)+(n<<2)>>2]=f[p>>2];f[p>>2]=(f[p>>2]|0)+1;r=f[l>>2]|0}else r=g;g=r+(o>>>5<<2)|0;r=1<<(o&31);p=f[g>>2]|0;if(!(p&r)){f[g>>2]=p|r;r=f[i>>2]|0;do if((r|0)!=-1)if(!((r>>>0)%3|0)){s=r+2|0;break}else{s=r+-1|0;break}else s=-1;while(0);f[e>>2]=s;r=f[(f[(f[a+16>>2]|0)+96>>2]|0)+(((s>>>0)/3|0)*12|0)+(((s>>>0)%3|0)<<2)>>2]|0;s=f[a+20>>2]|0;f[d>>2]=r;p=f[s+4>>2]|0;s=p+4|0;g=f[s>>2]|0;if((g|0)==(f[p+8>>2]|0))Ci(p,d);else{f[g>>2]=r;f[s>>2]=g+4}g=a+12|0;s=f[g>>2]|0;r=s+4|0;p=f[r>>2]|0;if((p|0)==(f[s+8>>2]|0)){Ci(s,e);t=f[g>>2]|0}else{f[p>>2]=f[e>>2];f[r>>2]=p+4;t=s}s=t+24|0;f[(f[t+12>>2]|0)+(o<<2)>>2]=f[s>>2];f[s>>2]=(f[s>>2]|0)+1}s=f[i>>2]|0;if((s|0)==-1)v=-1;else v=f[(f[f[h>>2]>>2]|0)+(s<<2)>>2]|0;s=(f[l>>2]|0)+(v>>>5<<2)|0;o=1<<(v&31);t=f[s>>2]|0;if(!(o&t)){f[s>>2]=t|o;o=f[i>>2]|0;f[e>>2]=o;t=f[(f[(f[a+16>>2]|0)+96>>2]|0)+(((o>>>0)/3|0)*12|0)+(((o>>>0)%3|0)<<2)>>2]|0;o=f[a+20>>2]|0;f[d>>2]=t;s=f[o+4>>2]|0;o=s+4|0;p=f[o>>2]|0;if((p|0)==(f[s+8>>2]|0))Ci(s,d);else{f[p>>2]=t;f[o>>2]=p+4}p=a+12|0;o=f[p>>2]|0;t=o+4|0;s=f[t>>2]|0;if((s|0)==(f[o+8>>2]|0)){Ci(o,e);w=f[p>>2]|0}else{f[s>>2]=f[e>>2];f[t>>2]=s+4;w=o}o=w+24|0;f[(f[w+12>>2]|0)+(v<<2)>>2]=f[o>>2];f[o>>2]=(f[o>>2]|0)+1}o=f[b>>2]|0;a:do if((o|0)<3){v=a+24|0;w=a+16|0;s=a+20|0;t=a+12|0;p=a+88|0;r=o;while(1){g=r;while(1){x=a+48+(g*12|0)+4|0;y=f[x>>2]|0;if((f[a+48+(g*12|0)>>2]|0)!=(y|0))break;if((g|0)<2)g=g+1|0;else break a}n=y+-4|0;q=f[n>>2]|0;f[x>>2]=n;f[b>>2]=g;f[i>>2]=q;if((q|0)==-1)break;n=(q>>>0)/3|0;j=f[v>>2]|0;do if(!(f[j+(n>>>5<<2)>>2]&1<<(n&31))){k=q;m=j;b:while(1){z=(k>>>0)/3|0;A=m+(z>>>5<<2)|0;f[A>>2]=1<<(z&31)|f[A>>2];A=f[i>>2]|0;if((A|0)==-1)B=-1;else B=f[(f[f[h>>2]>>2]|0)+(A<<2)>>2]|0;z=(f[l>>2]|0)+(B>>>5<<2)|0;C=1<<(B&31);D=f[z>>2]|0;if(!(C&D)){f[z>>2]=D|C;C=f[i>>2]|0;f[e>>2]=C;D=f[(f[(f[w>>2]|0)+96>>2]|0)+(((C>>>0)/3|0)*12|0)+(((C>>>0)%3|0)<<2)>>2]|0;C=f[s>>2]|0;f[d>>2]=D;z=f[C+4>>2]|0;C=z+4|0;E=f[C>>2]|0;if((E|0)==(f[z+8>>2]|0))Ci(z,d);else{f[E>>2]=D;f[C>>2]=E+4}E=f[t>>2]|0;C=E+4|0;D=f[C>>2]|0;if((D|0)==(f[E+8>>2]|0)){Ci(E,e);F=f[t>>2]|0}else{f[D>>2]=f[e>>2];f[C>>2]=D+4;F=E}E=F+24|0;f[(f[F+12>>2]|0)+(B<<2)>>2]=f[E>>2];f[E>>2]=(f[E>>2]|0)+1;G=f[i>>2]|0}else G=A;A=f[h>>2]|0;if((G|0)==-1){H=93;break}E=G+1|0;D=((E>>>0)%3|0|0)==0?G+-2|0:E;if((D|0)==-1)I=-1;else I=f[(f[A+12>>2]|0)+(D<<2)>>2]|0;D=(((G>>>0)%3|0|0)==0?2:-1)+G|0;if((D|0)==-1)J=-1;else J=f[(f[A+12>>2]|0)+(D<<2)>>2]|0;D=(I|0)==-1;E=D?-1:(I>>>0)/3|0;C=(J|0)==-1;z=C?-1:(J>>>0)/3|0;if(D)K=1;else K=(f[(f[v>>2]|0)+(E>>>5<<2)>>2]&1<<(E&31)|0)!=0;do if(C)if(K){H=93;break b}else H=82;else{if(f[(f[v>>2]|0)+(z>>>5<<2)>>2]&1<<(z&31)|0)if(K){H=93;break b}else{H=82;break}E=f[(f[A>>2]|0)+(J<<2)>>2]|0;if(!(1<<(E&31)&f[(f[l>>2]|0)+(E>>>5<<2)>>2])){L=(f[p>>2]|0)+(E<<2)|0;E=f[L>>2]|0;f[L>>2]=E+1;M=(E|0)>0?1:2}else M=0;if(K?(M|0)<=(f[b>>2]|0):0){N=J;break}f[d>>2]=J;E=a+48+(M*12|0)+4|0;L=f[E>>2]|0;if((L|0)==(f[a+48+(M*12|0)+8>>2]|0))Ci(a+48+(M*12|0)|0,d);else{f[L>>2]=J;f[E>>2]=L+4}if((f[b>>2]|0)>(M|0))f[b>>2]=M;if(K){H=93;break b}else H=82}while(0);if((H|0)==82){H=0;if(D)O=-1;else O=f[(f[f[h>>2]>>2]|0)+(I<<2)>>2]|0;if(!(1<<(O&31)&f[(f[l>>2]|0)+(O>>>5<<2)>>2])){A=(f[p>>2]|0)+(O<<2)|0;z=f[A>>2]|0;f[A>>2]=z+1;P=(z|0)>0?1:2}else P=0;if((P|0)>(f[b>>2]|0))break;else N=I}f[i>>2]=N;k=N;m=f[v>>2]|0}if((H|0)==93){H=0;Q=f[b>>2]|0;break}f[d>>2]=I;m=a+48+(P*12|0)+4|0;k=f[m>>2]|0;if((k|0)==(f[a+48+(P*12|0)+8>>2]|0))Ci(a+48+(P*12|0)|0,d);else{f[k>>2]=I;f[m>>2]=k+4}k=f[b>>2]|0;if((k|0)>(P|0)){f[b>>2]=P;R=P}else R=k;Q=R}else Q=g;while(0);if((Q|0)<3)r=Q;else break a}u=c;return 1}while(0);f[i>>2]=-1;u=c;return 1}function wb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}wb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;wb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function xb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}xb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;xb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function yb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}yb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;yb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function zb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}zb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;zb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Ab(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Ab(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Ab(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}} +function Bb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Bb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Bb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Cb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Cb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Cb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Db(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Db(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Db(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Eb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Eb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Eb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Fb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Fb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Fb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Gb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Gb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Gb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Hb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Hb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Hb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Ib(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Ib(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Ib(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Jb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Jb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Jb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Kb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Kb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Kb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Lb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Lb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Lb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Mb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Mb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Mb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Nb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=Tf(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Cg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=Qd(h,Y,c)|0;j=Y+4|0;if(Qd(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Nb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Nb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)mq(d);_=$;if(i>>>0<=Y>>>0)mq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Cg(h,h+4|0,e,c)|0;return}case 12:{Qg(h,h+4|0,h+8|0,e,c)|0;return}case 13:{Tf(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{Pg(h,a,c);return}case 20:{mq(p);break}case 22:{mq(p);break}case 26:{mq(p);break}case 32:{mq(p);break}case 38:{mq(A);break}case 40:{mq(A);break}case 46:{mq(A);break}case 47:{mq(A);break}case 51:{mq(p);break}case 57:{mq(R);break}case 59:{mq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)mq(S);else mq(S);break}case 66:{mq(S);break}case 72:{mq(Z);break}case 74:{mq(Z);break}case 84:return}}function Ob(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var i=0,k=0,l=0,m=0,o=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;if(!g){i=0;return i|0}do switch(f[a+28>>2]|0){case 1:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){m=f[f[a>>2]>>2]|0;o=a+40|0;q=on(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Tn(q|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=m+r|0;r=0;while(1){f[g+(r<<2)>>2]=b[o>>0];r=r+1|0;m=b[k>>0]|0;if((r|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){s=m;break}else o=o+1|0}}else s=l;o=s<<24>>24;if(s<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 2:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=on(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Tn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){f[g+(t<<2)>>2]=h[m>>0];t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){u=k;break}else m=m+1|0}}else u=r;m=u<<24>>24;if(u<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 3:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=on(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Tn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){f[g+(q<<2)>>2]=d[l>>1];q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){v=o;break}else l=l+2|0}}else v=t;l=v<<24>>24;if(v<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(l<<2)|0,0,(e<<24>>24)-l<<2|0)|0;i=1;return i|0}case 4:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=on(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Tn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){f[g+(k<<2)>>2]=j[r>>1];k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){w=m;break}else r=r+2|0}}else w=q;r=w<<24>>24;if(w<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}case 5:{r=a+24|0;k=b[r>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0){l=f[f[a>>2]>>2]|0;t=a+40|0;m=on(f[t>>2]|0,f[t+4>>2]|0,f[c>>2]|0,0)|0;t=a+48|0;o=Tn(m|0,I|0,f[t>>2]|0,f[t+4>>2]|0)|0;t=l+o|0;o=0;while(1){f[g+(o<<2)>>2]=f[t>>2];o=o+1|0;l=b[r>>0]|0;if((o|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){x=l;break}else t=t+4|0}}else x=k;t=x<<24>>24;if(x<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(t<<2)|0,0,(e<<24>>24)-t<<2|0)|0;i=1;return i|0}case 6:{t=a+24|0;o=b[t>>0]|0;if((o<<24>>24>e<<24>>24?e:o)<<24>>24>0){r=f[f[a>>2]>>2]|0;q=a+40|0;l=on(f[q>>2]|0,f[q+4>>2]|0,f[c>>2]|0,0)|0;q=a+48|0;m=Tn(l|0,I|0,f[q>>2]|0,f[q+4>>2]|0)|0;q=r+m|0;m=0;while(1){f[g+(m<<2)>>2]=f[q>>2];m=m+1|0;r=b[t>>0]|0;if((m|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){y=r;break}else q=q+4|0}}else y=o;q=y<<24>>24;if(y<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(q<<2)|0,0,(e<<24>>24)-q<<2|0)|0;i=1;return i|0}case 7:{q=a+24|0;m=b[q>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0){t=f[f[a>>2]>>2]|0;k=a+40|0;r=on(f[k>>2]|0,f[k+4>>2]|0,f[c>>2]|0,0)|0;k=a+48|0;l=Tn(r|0,I|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=t+l|0;l=0;while(1){f[g+(l<<2)>>2]=f[k>>2];l=l+1|0;t=b[q>>0]|0;if((l|0)>=((t<<24>>24>e<<24>>24?e:t)<<24>>24|0)){z=t;break}else k=k+8|0}}else z=m;k=z<<24>>24;if(z<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(k<<2)|0,0,(e<<24>>24)-k<<2|0)|0;i=1;return i|0}case 8:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){q=f[f[a>>2]>>2]|0;o=a+40|0;t=on(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Tn(t|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=q+r|0;r=0;while(1){f[g+(r<<2)>>2]=f[o>>2];r=r+1|0;q=b[k>>0]|0;if((r|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){A=q;break}else o=o+8|0}}else A=l;o=A<<24>>24;if(A<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 9:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=on(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Tn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){k=~~$(n[m>>2])>>>0;f[g+(t<<2)>>2]=k;t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){B=k;break}else m=m+4|0}}else B=r;m=B<<24>>24;if(B<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 10:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=on(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Tn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){f[g+(q<<2)>>2]=~~+p[l>>3]>>>0;q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){C=o;break}else l=l+8|0}}else C=t;l=C<<24>>24;if(C<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(l<<2)|0,0,(e<<24>>24)-l<<2|0)|0;i=1;return i|0}case 11:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=on(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Tn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){f[g+(k<<2)>>2]=h[r>>0];k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){D=m;break}else r=r+1|0}}else D=q;r=D<<24>>24;if(D<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}default:{i=0;return i|0}}while(0);return 0}function Pb(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var i=0,k=0,l=0,m=0,o=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;if(!g){i=0;return i|0}do switch(f[a+28>>2]|0){case 1:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){m=f[f[a>>2]>>2]|0;o=a+40|0;q=on(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Tn(q|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=m+r|0;r=0;while(1){f[g+(r<<2)>>2]=b[o>>0];r=r+1|0;m=b[k>>0]|0;if((r|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){s=m;break}else o=o+1|0}}else s=l;o=s<<24>>24;if(s<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 2:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=on(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Tn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){f[g+(t<<2)>>2]=h[m>>0];t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){u=k;break}else m=m+1|0}}else u=r;m=u<<24>>24;if(u<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 3:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=on(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Tn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){f[g+(q<<2)>>2]=d[l>>1];q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){v=o;break}else l=l+2|0}}else v=t;l=v<<24>>24;if(v<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(l<<2)|0,0,(e<<24>>24)-l<<2|0)|0;i=1;return i|0}case 4:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=on(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Tn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){f[g+(k<<2)>>2]=j[r>>1];k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){w=m;break}else r=r+2|0}}else w=q;r=w<<24>>24;if(w<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}case 5:{r=a+24|0;k=b[r>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0){l=f[f[a>>2]>>2]|0;t=a+40|0;m=on(f[t>>2]|0,f[t+4>>2]|0,f[c>>2]|0,0)|0;t=a+48|0;o=Tn(m|0,I|0,f[t>>2]|0,f[t+4>>2]|0)|0;t=l+o|0;o=0;while(1){f[g+(o<<2)>>2]=f[t>>2];o=o+1|0;l=b[r>>0]|0;if((o|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){x=l;break}else t=t+4|0}}else x=k;t=x<<24>>24;if(x<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(t<<2)|0,0,(e<<24>>24)-t<<2|0)|0;i=1;return i|0}case 6:{t=a+24|0;o=b[t>>0]|0;if((o<<24>>24>e<<24>>24?e:o)<<24>>24>0){r=f[f[a>>2]>>2]|0;q=a+40|0;l=on(f[q>>2]|0,f[q+4>>2]|0,f[c>>2]|0,0)|0;q=a+48|0;m=Tn(l|0,I|0,f[q>>2]|0,f[q+4>>2]|0)|0;q=r+m|0;m=0;while(1){f[g+(m<<2)>>2]=f[q>>2];m=m+1|0;r=b[t>>0]|0;if((m|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){y=r;break}else q=q+4|0}}else y=o;q=y<<24>>24;if(y<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(q<<2)|0,0,(e<<24>>24)-q<<2|0)|0;i=1;return i|0}case 7:{q=a+24|0;m=b[q>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0){t=f[f[a>>2]>>2]|0;k=a+40|0;r=on(f[k>>2]|0,f[k+4>>2]|0,f[c>>2]|0,0)|0;k=a+48|0;l=Tn(r|0,I|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=t+l|0;l=0;while(1){f[g+(l<<2)>>2]=f[k>>2];l=l+1|0;t=b[q>>0]|0;if((l|0)>=((t<<24>>24>e<<24>>24?e:t)<<24>>24|0)){z=t;break}else k=k+8|0}}else z=m;k=z<<24>>24;if(z<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(k<<2)|0,0,(e<<24>>24)-k<<2|0)|0;i=1;return i|0}case 8:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){q=f[f[a>>2]>>2]|0;o=a+40|0;t=on(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Tn(t|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=q+r|0;r=0;while(1){f[g+(r<<2)>>2]=f[o>>2];r=r+1|0;q=b[k>>0]|0;if((r|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){A=q;break}else o=o+8|0}}else A=l;o=A<<24>>24;if(A<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 9:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=on(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Tn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){k=~~$(n[m>>2]);f[g+(t<<2)>>2]=k;t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){B=k;break}else m=m+4|0}}else B=r;m=B<<24>>24;if(B<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 10:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=on(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Tn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){f[g+(q<<2)>>2]=~~+p[l>>3];q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){C=o;break}else l=l+8|0}}else C=t;l=C<<24>>24;if(C<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(l<<2)|0,0,(e<<24>>24)-l<<2|0)|0;i=1;return i|0}case 11:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=on(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Tn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){f[g+(k<<2)>>2]=h[r>>0];k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){D=m;break}else r=r+1|0}}else D=q;r=D<<24>>24;if(D<<24>>24>=e<<24>>24){i=1;return i|0}hj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}default:{i=0;return i|0}}while(0);return 0}function Qb(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=Oa,J=0,K=0,L=0,M=0,N=Oa;e=u;u=u+48|0;g=e+36|0;h=e+24|0;i=e+12|0;j=e;if(!(ih(a,c,d)|0)){k=0;u=e;return k|0}l=f[(f[(f[c+4>>2]|0)+8>>2]|0)+(d<<2)>>2]|0;if((f[l+28>>2]|0)!=9){k=0;u=e;return k|0}m=c+48|0;c=f[m>>2]|0;o=dn(32)|0;f[g>>2]=o;f[g+8>>2]=-2147483616;f[g+4>>2]=17;p=o;q=12932;r=p+17|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[o+17>>0]=0;o=c+16|0;s=f[o>>2]|0;if(s){t=o;v=s;a:while(1){s=v;while(1){if((f[s+16>>2]|0)>=(d|0))break;w=f[s+4>>2]|0;if(!w){x=t;break a}else s=w}v=f[s>>2]|0;if(!v){x=s;break}else t=s}if(((x|0)!=(o|0)?(f[x+16>>2]|0)<=(d|0):0)?(o=x+20|0,(sh(o,g)|0)!=0):0)y=yk(o,g,-1)|0;else z=12}else z=12;if((z|0)==12)y=yk(c,g,-1)|0;if((b[g+11>>0]|0)<0)br(f[g>>2]|0);if((y|0)<1){k=0;u=e;return k|0}c=f[m>>2]|0;o=dn(32)|0;f[g>>2]=o;f[g+8>>2]=-2147483616;f[g+4>>2]=19;p=o;q=13005;r=p+19|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[o+19>>0]=0;o=c+16|0;x=f[o>>2]|0;if(x){t=o;v=x;b:while(1){x=v;while(1){if((f[x+16>>2]|0)>=(d|0))break;w=f[x+4>>2]|0;if(!w){A=t;break b}else x=w}v=f[x>>2]|0;if(!v){A=x;break}else t=x}if((A|0)!=(o|0)?(f[A+16>>2]|0)<=(d|0):0)B=A+20|0;else z=24}else z=24;if((z|0)==24)B=c;if(!(sh(B,g)|0))C=0;else{B=f[m>>2]|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;c=dn(32)|0;f[h>>2]=c;f[h+8>>2]=-2147483616;f[h+4>>2]=18;p=c;q=13025;r=p+18|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[c+18>>0]=0;c=B+16|0;A=f[c>>2]|0;if(A){o=c;t=A;c:while(1){A=t;while(1){if((f[A+16>>2]|0)>=(d|0))break;v=f[A+4>>2]|0;if(!v){D=o;break c}else A=v}t=f[A>>2]|0;if(!t){D=A;break}else o=A}if((D|0)!=(c|0)?(f[D+16>>2]|0)<=(d|0):0)E=D+20|0;else z=34}else z=34;if((z|0)==34)E=B;B=(sh(E,h)|0)!=0;if((b[h+11>>0]|0)<0)br(f[h>>2]|0);C=B}if((b[g+11>>0]|0)<0)br(f[g>>2]|0);if(!C){Kd(a+40|0,l,y)|0;k=1;u=e;return k|0}C=l+24|0;l=b[C>>0]|0;B=l<<24>>24;f[i>>2]=0;E=i+4|0;f[E>>2]=0;f[i+8>>2]=0;do if(l<<24>>24)if(l<<24>>24<0)mq(i);else{D=B<<2;c=dn(D)|0;f[i>>2]=c;o=c+(B<<2)|0;f[i+8>>2]=o;hj(c|0,0,D|0)|0;f[E>>2]=o;F=c;break}else F=0;while(0);B=f[m>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;l=dn(32)|0;f[j>>2]=l;f[j+8>>2]=-2147483616;f[j+4>>2]=19;p=l;q=13005;r=p+19|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[l+19>>0]=0;l=b[C>>0]|0;c=l<<24>>24;o=B+16|0;D=f[o>>2]|0;if(D){t=o;x=D;d:while(1){D=x;while(1){if((f[D+16>>2]|0)>=(d|0))break;v=f[D+4>>2]|0;if(!v){G=t;break d}else D=v}x=f[D>>2]|0;if(!x){G=D;break}else t=D}if(((G|0)!=(o|0)?(f[G+16>>2]|0)<=(d|0):0)?(o=G+20|0,(sh(o,j)|0)!=0):0){t=zg(o,j)|0;if((t|0)!=(G+24|0)){dj(g,t+28|0);t=g+11|0;G=b[t>>0]|0;o=G<<24>>24<0;if(!((o?f[g+4>>2]|0:G&255)|0))H=G;else{if(l<<24>>24>0){x=o?f[g>>2]|0:g;o=0;do{I=$(pq(x,h));A=x;x=f[h>>2]|0;if((A|0)==(x|0))break;n[F+(o<<2)>>2]=I;o=o+1|0}while((o|0)<(c|0));J=b[t>>0]|0}else J=G;H=J}if(H<<24>>24<0)br(f[g>>2]|0)}}else z=64}else z=64;if((z|0)==64?(H=zg(B,j)|0,(H|0)!=(B+4|0)):0){dj(g,H+28|0);H=g+11|0;B=b[H>>0]|0;J=B<<24>>24<0;if(!((J?f[g+4>>2]|0:B&255)|0))K=B;else{if(l<<24>>24>0){l=J?f[g>>2]|0:g;J=0;do{I=$(pq(l,h));G=l;l=f[h>>2]|0;if((G|0)==(l|0))break;n[F+(J<<2)>>2]=I;J=J+1|0}while((J|0)<(c|0));L=b[H>>0]|0}else L=B;K=L}if(K<<24>>24<0)br(f[g>>2]|0)}if((b[j+11>>0]|0)<0)br(f[j>>2]|0);j=f[m>>2]|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;m=dn(32)|0;f[g>>2]=m;f[g+8>>2]=-2147483616;f[g+4>>2]=18;p=m;q=13025;r=p+18|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[m+18>>0]=0;m=j+16|0;q=f[m>>2]|0;if(q){p=m;r=q;e:while(1){q=r;while(1){if((f[q+16>>2]|0)>=(d|0))break;K=f[q+4>>2]|0;if(!K){M=p;break e}else q=K}r=f[q>>2]|0;if(!r){M=q;break}else p=q}if(((M|0)!=(m|0)?(f[M+16>>2]|0)<=(d|0):0)?(d=M+20|0,(sh(d,g)|0)!=0):0)N=$(kk(d,g,$(1.0)));else z=86}else z=86;if((z|0)==86)N=$(kk(j,g,$(1.0)));if((b[g+11>>0]|0)<0)br(f[g>>2]|0);wl(a+40|0,y,f[i>>2]|0,b[C>>0]|0,N);C=f[i>>2]|0;if(C|0){i=f[E>>2]|0;if((i|0)!=(C|0))f[E>>2]=i+(~((i+-4-C|0)>>>2)<<2);br(C)}k=1;u=e;return k|0}function Rb(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0;e=u;u=u+64|0;d=e+48|0;h=e+36|0;i=e+24|0;j=e+16|0;k=e+8|0;l=e;m=e+32|0;n=a+60|0;f[a+68>>2]=g;g=a+108|0;lk(g);o=a+56|0;p=f[o>>2]|0;q=(f[p+4>>2]|0)-(f[p>>2]|0)|0;r=q>>2;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;s=i;f[s>>2]=0;f[s+4>>2]=0;s=j;f[s>>2]=0;f[s+4>>2]=0;s=k;f[s>>2]=0;f[s+4>>2]=0;s=l;f[s>>2]=0;f[s+4>>2]=0;if((q|0)<=0){u=e;return 1}q=h+4|0;s=h+8|0;t=a+104|0;v=i+4|0;w=a+100|0;x=j+4|0;y=a+8|0;z=a+16|0;A=a+32|0;B=a+12|0;C=a+28|0;D=a+20|0;E=a+24|0;F=a+96|0;a=k+4|0;G=l+4|0;H=f[p>>2]|0;if((f[p+4>>2]|0)==(H|0)){J=p;mq(J)}else{K=0;L=H}while(1){f[m>>2]=f[L+(K<<2)>>2];f[d>>2]=f[m>>2];fc(n,d,h);H=f[h>>2]|0;p=(H|0)>-1?H:0-H|0;M=f[q>>2]|0;N=(M|0)>-1?M:0-M|0;O=Tn(N|0,((N|0)<0)<<31>>31|0,p|0,((p|0)<0)<<31>>31|0)|0;p=f[s>>2]|0;N=(p|0)>-1;P=N?p:0-p|0;p=Tn(O|0,I|0,P|0,((P|0)<0)<<31>>31|0)|0;P=I;if((p|0)==0&(P|0)==0){O=f[t>>2]|0;Q=O;R=h;S=M;T=O}else{O=f[t>>2]|0;U=((O|0)<0)<<31>>31;V=on(O|0,U|0,H|0,((H|0)<0)<<31>>31|0)|0;H=zk(V|0,I|0,p|0,P|0)|0;f[h>>2]=H;V=on(O|0,U|0,M|0,((M|0)<0)<<31>>31|0)|0;M=zk(V|0,I|0,p|0,P|0)|0;f[q>>2]=M;P=O-((H|0)>-1?H:0-H|0)-((M|0)>-1?M:0-M|0)|0;Q=N?P:0-P|0;R=s;S=M;T=O}f[R>>2]=Q;O=f[h>>2]|0;do if((O|0)<=-1){if((S|0)<0){M=f[s>>2]|0;W=(M|0)>-1?M:0-M|0;X=M}else{M=f[s>>2]|0;W=(f[w>>2]|0)-((M|0)>-1?M:0-M|0)|0;X=M}if((X|0)<0){Y=(S|0)>-1?S:0-S|0;Z=W;_=X;break}else{Y=(f[w>>2]|0)-((S|0)>-1?S:0-S|0)|0;Z=W;_=X;break}}else{M=f[s>>2]|0;Y=M+T|0;Z=T+S|0;_=M}while(0);M=(Z|0)==0;P=(Y|0)==0;N=f[w>>2]|0;do if(Y|Z){H=(N|0)==(Y|0);if(!(M&H)){p=(N|0)==(Z|0);if(!(P&p)){if(M&(T|0)<(Y|0)){$=0;aa=(T<<1)-Y|0;break}if(p&(T|0)>(Y|0)){$=Z;aa=(T<<1)-Y|0;break}if(H&(T|0)>(Z|0)){$=(T<<1)-Z|0;aa=Y;break}if(P){$=(T|0)<(Z|0)?(T<<1)-Z|0:Z;aa=0}else{$=Z;aa=Y}}else{$=Z;aa=Z}}else{$=Y;aa=Y}}else{$=N;aa=N}while(0);f[i>>2]=$;f[v>>2]=aa;P=0-S|0;M=0-_|0;f[h>>2]=0-O;f[q>>2]=P;f[s>>2]=M;if((O|0)<1){ba=T-_|0;ca=T-S|0}else{H=(_|0)<1?M:_;M=(S|0)<1?P:S;ba=(_|0)>0?M:N-M|0;ca=(S|0)>0?H:N-H|0}H=(ca|0)==0;M=(ba|0)==0;do if(((ba|ca|0)!=0?(P=(N|0)==(ba|0),!(H&P)):0)?(p=(N|0)==(ca|0),!(M&p)):0){if(H&(T|0)<(ba|0)){da=0;ea=(T<<1)-ba|0;break}if(p&(T|0)>(ba|0)){da=N;ea=(T<<1)-ba|0;break}if(P&(T|0)>(ca|0)){da=(T<<1)-ca|0;ea=N;break}if(M){da=(T|0)<(ca|0)?(T<<1)-ca|0:ca;ea=0}else{da=ca;ea=ba}}else{da=N;ea=N}while(0);f[j>>2]=da;f[x>>2]=ea;N=K<<1;M=b+(N<<2)|0;H=f[y>>2]|0;if((H|0)>0){O=0;P=i;p=H;while(1){if((p|0)>0){H=0;do{V=f[P+(H<<2)>>2]|0;U=f[z>>2]|0;if((V|0)>(U|0)){fa=f[A>>2]|0;f[fa+(H<<2)>>2]=U;ga=fa}else{fa=f[B>>2]|0;U=f[A>>2]|0;f[U+(H<<2)>>2]=(V|0)<(fa|0)?fa:V;ga=U}H=H+1|0;U=f[y>>2]|0}while((H|0)<(U|0));ha=ga;ia=U}else{ha=f[A>>2]|0;ia=p}H=(f[M+(O<<2)>>2]|0)-(f[ha+(O<<2)>>2]|0)|0;U=k+(O<<2)|0;f[U>>2]=H;ja=f[C>>2]|0;if((H|0)>=(ja|0)){if((H|0)>(f[E>>2]|0)){ka=H-(f[D>>2]|0)|0;la=52}}else{ka=(f[D>>2]|0)+H|0;la=52}if((la|0)==52){la=0;f[U>>2]=ka}O=O+1|0;if((O|0)>=(ia|0))break;else{P=ha;p=ia}}if((ia|0)>0){p=0;P=j;O=ia;U=ja;while(1){if((O|0)>0){H=0;do{V=f[P+(H<<2)>>2]|0;fa=f[z>>2]|0;if((V|0)>(fa|0))f[ha+(H<<2)>>2]=fa;else{fa=f[B>>2]|0;f[ha+(H<<2)>>2]=(V|0)<(fa|0)?fa:V}H=H+1|0;ma=f[y>>2]|0}while((H|0)<(ma|0));na=f[C>>2]|0;oa=ma}else{na=U;oa=O}H=(f[M+(p<<2)>>2]|0)-(f[ha+(p<<2)>>2]|0)|0;V=l+(p<<2)|0;f[V>>2]=H;if((H|0)>=(na|0)){if((H|0)>(f[E>>2]|0)){pa=H-(f[D>>2]|0)|0;la=65}}else{pa=(f[D>>2]|0)+H|0;la=65}if((la|0)==65){la=0;f[V>>2]=pa}p=p+1|0;if((p|0)>=(oa|0))break;else{P=ha;O=oa;U=na}}}}U=f[k>>2]|0;O=f[t>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))qa=(f[F>>2]|0)+U|0;else qa=U;else qa=U-(f[F>>2]|0)|0;f[k>>2]=qa;U=f[a>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))ra=(f[F>>2]|0)+U|0;else ra=U;else ra=U-(f[F>>2]|0)|0;f[a>>2]=ra;U=f[l>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))sa=(f[F>>2]|0)+U|0;else sa=U;else sa=U-(f[F>>2]|0)|0;f[l>>2]=sa;U=f[G>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))ta=(f[F>>2]|0)+U|0;else ta=U;else ta=U-(f[F>>2]|0)|0;f[G>>2]=ta;if((((ra|0)>-1?ra:0-ra|0)+((qa|0)>-1?qa:0-qa|0)|0)<(((sa|0)>-1?sa:0-sa|0)+((ta|0)>-1?ta:0-ta|0)|0)){Vi(g,0);ua=k}else{Vi(g,1);ua=l}U=f[ua>>2]|0;if((U|0)<0)va=(f[F>>2]|0)+U|0;else va=U;U=c+(N<<2)|0;f[U>>2]=va;O=f[ua+4>>2]|0;if((O|0)<0)wa=(f[F>>2]|0)+O|0;else wa=O;f[U+4>>2]=wa;K=K+1|0;if((K|0)>=(r|0)){la=3;break}U=f[o>>2]|0;L=f[U>>2]|0;if((f[U+4>>2]|0)-L>>2>>>0<=K>>>0){J=U;la=4;break}}if((la|0)==3){u=e;return 1}else if((la|0)==4)mq(J);return 0}function Sb(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0;e=u;u=u+64|0;d=e+48|0;h=e+36|0;i=e+24|0;j=e+16|0;k=e+8|0;l=e;m=e+32|0;n=a+60|0;f[a+68>>2]=g;g=a+108|0;lk(g);o=a+56|0;p=f[o>>2]|0;q=(f[p+4>>2]|0)-(f[p>>2]|0)|0;r=q>>2;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;s=i;f[s>>2]=0;f[s+4>>2]=0;s=j;f[s>>2]=0;f[s+4>>2]=0;s=k;f[s>>2]=0;f[s+4>>2]=0;s=l;f[s>>2]=0;f[s+4>>2]=0;if((q|0)<=0){u=e;return 1}q=h+4|0;s=h+8|0;t=a+104|0;v=i+4|0;w=a+100|0;x=j+4|0;y=a+8|0;z=a+16|0;A=a+32|0;B=a+12|0;C=a+28|0;D=a+20|0;E=a+24|0;F=a+96|0;a=k+4|0;G=l+4|0;H=f[p>>2]|0;if((f[p+4>>2]|0)==(H|0)){J=p;mq(J)}else{K=0;L=H}while(1){f[m>>2]=f[L+(K<<2)>>2];f[d>>2]=f[m>>2];$b(n,d,h);H=f[h>>2]|0;p=(H|0)>-1?H:0-H|0;M=f[q>>2]|0;N=(M|0)>-1?M:0-M|0;O=Tn(N|0,((N|0)<0)<<31>>31|0,p|0,((p|0)<0)<<31>>31|0)|0;p=f[s>>2]|0;N=(p|0)>-1;P=N?p:0-p|0;p=Tn(O|0,I|0,P|0,((P|0)<0)<<31>>31|0)|0;P=I;if((p|0)==0&(P|0)==0){O=f[t>>2]|0;Q=O;R=h;S=M;T=O}else{O=f[t>>2]|0;U=((O|0)<0)<<31>>31;V=on(O|0,U|0,H|0,((H|0)<0)<<31>>31|0)|0;H=zk(V|0,I|0,p|0,P|0)|0;f[h>>2]=H;V=on(O|0,U|0,M|0,((M|0)<0)<<31>>31|0)|0;M=zk(V|0,I|0,p|0,P|0)|0;f[q>>2]=M;P=O-((H|0)>-1?H:0-H|0)-((M|0)>-1?M:0-M|0)|0;Q=N?P:0-P|0;R=s;S=M;T=O}f[R>>2]=Q;O=f[h>>2]|0;do if((O|0)<=-1){if((S|0)<0){M=f[s>>2]|0;W=(M|0)>-1?M:0-M|0;X=M}else{M=f[s>>2]|0;W=(f[w>>2]|0)-((M|0)>-1?M:0-M|0)|0;X=M}if((X|0)<0){Y=(S|0)>-1?S:0-S|0;Z=W;_=X;break}else{Y=(f[w>>2]|0)-((S|0)>-1?S:0-S|0)|0;Z=W;_=X;break}}else{M=f[s>>2]|0;Y=M+T|0;Z=T+S|0;_=M}while(0);M=(Z|0)==0;P=(Y|0)==0;N=f[w>>2]|0;do if(Y|Z){H=(N|0)==(Y|0);if(!(M&H)){p=(N|0)==(Z|0);if(!(P&p)){if(M&(T|0)<(Y|0)){$=0;aa=(T<<1)-Y|0;break}if(p&(T|0)>(Y|0)){$=Z;aa=(T<<1)-Y|0;break}if(H&(T|0)>(Z|0)){$=(T<<1)-Z|0;aa=Y;break}if(P){$=(T|0)<(Z|0)?(T<<1)-Z|0:Z;aa=0}else{$=Z;aa=Y}}else{$=Z;aa=Z}}else{$=Y;aa=Y}}else{$=N;aa=N}while(0);f[i>>2]=$;f[v>>2]=aa;P=0-S|0;M=0-_|0;f[h>>2]=0-O;f[q>>2]=P;f[s>>2]=M;if((O|0)<1){ba=T-_|0;ca=T-S|0}else{H=(_|0)<1?M:_;M=(S|0)<1?P:S;ba=(_|0)>0?M:N-M|0;ca=(S|0)>0?H:N-H|0}H=(ca|0)==0;M=(ba|0)==0;do if(((ba|ca|0)!=0?(P=(N|0)==(ba|0),!(H&P)):0)?(p=(N|0)==(ca|0),!(M&p)):0){if(H&(T|0)<(ba|0)){da=0;ea=(T<<1)-ba|0;break}if(p&(T|0)>(ba|0)){da=N;ea=(T<<1)-ba|0;break}if(P&(T|0)>(ca|0)){da=(T<<1)-ca|0;ea=N;break}if(M){da=(T|0)<(ca|0)?(T<<1)-ca|0:ca;ea=0}else{da=ca;ea=ba}}else{da=N;ea=N}while(0);f[j>>2]=da;f[x>>2]=ea;N=K<<1;M=b+(N<<2)|0;H=f[y>>2]|0;if((H|0)>0){O=0;P=i;p=H;while(1){if((p|0)>0){H=0;do{V=f[P+(H<<2)>>2]|0;U=f[z>>2]|0;if((V|0)>(U|0)){fa=f[A>>2]|0;f[fa+(H<<2)>>2]=U;ga=fa}else{fa=f[B>>2]|0;U=f[A>>2]|0;f[U+(H<<2)>>2]=(V|0)<(fa|0)?fa:V;ga=U}H=H+1|0;U=f[y>>2]|0}while((H|0)<(U|0));ha=ga;ia=U}else{ha=f[A>>2]|0;ia=p}H=(f[M+(O<<2)>>2]|0)-(f[ha+(O<<2)>>2]|0)|0;U=k+(O<<2)|0;f[U>>2]=H;ja=f[C>>2]|0;if((H|0)>=(ja|0)){if((H|0)>(f[E>>2]|0)){ka=H-(f[D>>2]|0)|0;la=52}}else{ka=(f[D>>2]|0)+H|0;la=52}if((la|0)==52){la=0;f[U>>2]=ka}O=O+1|0;if((O|0)>=(ia|0))break;else{P=ha;p=ia}}if((ia|0)>0){p=0;P=j;O=ia;U=ja;while(1){if((O|0)>0){H=0;do{V=f[P+(H<<2)>>2]|0;fa=f[z>>2]|0;if((V|0)>(fa|0))f[ha+(H<<2)>>2]=fa;else{fa=f[B>>2]|0;f[ha+(H<<2)>>2]=(V|0)<(fa|0)?fa:V}H=H+1|0;ma=f[y>>2]|0}while((H|0)<(ma|0));na=f[C>>2]|0;oa=ma}else{na=U;oa=O}H=(f[M+(p<<2)>>2]|0)-(f[ha+(p<<2)>>2]|0)|0;V=l+(p<<2)|0;f[V>>2]=H;if((H|0)>=(na|0)){if((H|0)>(f[E>>2]|0)){pa=H-(f[D>>2]|0)|0;la=65}}else{pa=(f[D>>2]|0)+H|0;la=65}if((la|0)==65){la=0;f[V>>2]=pa}p=p+1|0;if((p|0)>=(oa|0))break;else{P=ha;O=oa;U=na}}}}U=f[k>>2]|0;O=f[t>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))qa=(f[F>>2]|0)+U|0;else qa=U;else qa=U-(f[F>>2]|0)|0;f[k>>2]=qa;U=f[a>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))ra=(f[F>>2]|0)+U|0;else ra=U;else ra=U-(f[F>>2]|0)|0;f[a>>2]=ra;U=f[l>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))sa=(f[F>>2]|0)+U|0;else sa=U;else sa=U-(f[F>>2]|0)|0;f[l>>2]=sa;U=f[G>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))ta=(f[F>>2]|0)+U|0;else ta=U;else ta=U-(f[F>>2]|0)|0;f[G>>2]=ta;if((((ra|0)>-1?ra:0-ra|0)+((qa|0)>-1?qa:0-qa|0)|0)<(((sa|0)>-1?sa:0-sa|0)+((ta|0)>-1?ta:0-ta|0)|0)){Vi(g,0);ua=k}else{Vi(g,1);ua=l}U=f[ua>>2]|0;if((U|0)<0)va=(f[F>>2]|0)+U|0;else va=U;U=c+(N<<2)|0;f[U>>2]=va;O=f[ua+4>>2]|0;if((O|0)<0)wa=(f[F>>2]|0)+O|0;else wa=O;f[U+4>>2]=wa;K=K+1|0;if((K|0)>=(r|0)){la=3;break}U=f[o>>2]|0;L=f[U>>2]|0;if((f[U+4>>2]|0)-L>>2>>>0<=K>>>0){J=U;la=4;break}}if((la|0)==3){u=e;return 1}else if((la|0)==4)mq(J);return 0}function Tb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0;c=u;u=u+16|0;d=c+8|0;e=c;g=f[b>>2]|0;if((g|0)==-1){h=1;u=c;return h|0}i=(g>>>0)/3|0;j=a+24|0;if(f[(f[j>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0){h=1;u=c;return h|0}i=a+48|0;k=f[i>>2]|0;l=a+52|0;m=f[l>>2]|0;if((m|0)==(k|0))n=k;else{o=m+(~((m+-4-k|0)>>>2)<<2)|0;f[l>>2]=o;n=o}o=a+56|0;if((n|0)==(f[o>>2]|0))Ci(i,b);else{f[n>>2]=g;f[l>>2]=n+4}n=a+4|0;g=f[n>>2]|0;k=f[b>>2]|0;m=k+1|0;do if((k|0)!=-1){p=f[g+28>>2]|0;q=f[p+((((m>>>0)%3|0|0)==0?k+-2|0:m)<<2)>>2]|0;if(!((k>>>0)%3|0)){r=q;s=k+2|0;t=p;break}else{r=q;s=k+-1|0;t=p;break}}else{p=f[g+28>>2]|0;r=f[p+-4>>2]|0;s=-1;t=p}while(0);g=f[t+(s<<2)>>2]|0;if((r|0)==-1|(g|0)==-1){h=0;u=c;return h|0}s=a+36|0;t=f[s>>2]|0;k=t+(r>>>5<<2)|0;m=1<<(r&31);p=f[k>>2]|0;if(!(p&m)){f[k>>2]=p|m;m=f[b>>2]|0;p=m+1|0;if((m|0)==-1)v=-1;else v=((p>>>0)%3|0|0)==0?m+-2|0:p;f[e>>2]=v;p=f[(f[(f[a+16>>2]|0)+96>>2]|0)+(((v>>>0)/3|0)*12|0)+(((v>>>0)%3|0)<<2)>>2]|0;v=f[a+20>>2]|0;f[d>>2]=p;m=f[v+4>>2]|0;v=m+4|0;k=f[v>>2]|0;if((k|0)==(f[m+8>>2]|0))Ci(m,d);else{f[k>>2]=p;f[v>>2]=k+4}k=a+12|0;v=f[k>>2]|0;p=v+4|0;m=f[p>>2]|0;if((m|0)==(f[v+8>>2]|0)){Ci(v,e);w=f[k>>2]|0}else{f[m>>2]=f[e>>2];f[p>>2]=m+4;w=v}v=w+24|0;f[(f[w+12>>2]|0)+(r<<2)>>2]=f[v>>2];f[v>>2]=(f[v>>2]|0)+1;x=f[s>>2]|0}else x=t;t=x+(g>>>5<<2)|0;x=1<<(g&31);v=f[t>>2]|0;if(!(v&x)){f[t>>2]=v|x;x=f[b>>2]|0;do if((x|0)!=-1)if(!((x>>>0)%3|0)){y=x+2|0;break}else{y=x+-1|0;break}else y=-1;while(0);f[e>>2]=y;x=f[(f[(f[a+16>>2]|0)+96>>2]|0)+(((y>>>0)/3|0)*12|0)+(((y>>>0)%3|0)<<2)>>2]|0;y=f[a+20>>2]|0;f[d>>2]=x;v=f[y+4>>2]|0;y=v+4|0;t=f[y>>2]|0;if((t|0)==(f[v+8>>2]|0))Ci(v,d);else{f[t>>2]=x;f[y>>2]=t+4}t=a+12|0;y=f[t>>2]|0;x=y+4|0;v=f[x>>2]|0;if((v|0)==(f[y+8>>2]|0)){Ci(y,e);z=f[t>>2]|0}else{f[v>>2]=f[e>>2];f[x>>2]=v+4;z=y}y=z+24|0;f[(f[z+12>>2]|0)+(g<<2)>>2]=f[y>>2];f[y>>2]=(f[y>>2]|0)+1}y=f[i>>2]|0;g=f[l>>2]|0;if((y|0)==(g|0)){h=1;u=c;return h|0}z=a+16|0;v=a+20|0;x=a+12|0;a=g;g=y;a:while(1){y=f[a+-4>>2]|0;f[b>>2]=y;t=(y>>>0)/3|0;if((y|0)!=-1?(y=(f[j>>2]|0)+(t>>>5<<2)|0,r=1<<(t&31),t=f[y>>2]|0,(t&r|0)==0):0){f[y>>2]=t|r;r=f[n>>2]|0;t=f[b>>2]|0;y=f[(f[r+28>>2]|0)+(t<<2)>>2]|0;if((y|0)==-1){h=0;A=79;break}else{B=y;C=r;D=t}b:while(1){t=(f[s>>2]|0)+(B>>>5<<2)|0;r=1<<(B&31);y=f[t>>2]|0;do if(!(y&r)){w=f[(f[C+40>>2]|0)+(B<<2)>>2]|0;if((w|0)==-1)E=1;else{m=f[(f[f[C+64>>2]>>2]|0)+(w<<2)>>2]|0;E=(1<<(m&31)&f[(f[C+12>>2]|0)+(m>>>5<<2)>>2]|0)!=0}f[t>>2]=y|r;m=f[b>>2]|0;f[e>>2]=m;w=f[(f[(f[z>>2]|0)+96>>2]|0)+(((m>>>0)/3|0)*12|0)+(((m>>>0)%3|0)<<2)>>2]|0;m=f[v>>2]|0;f[d>>2]=w;p=f[m+4>>2]|0;m=p+4|0;k=f[m>>2]|0;if((k|0)==(f[p+8>>2]|0))Ci(p,d);else{f[k>>2]=w;f[m>>2]=k+4}k=f[x>>2]|0;m=k+4|0;w=f[m>>2]|0;if((w|0)==(f[k+8>>2]|0)){Ci(k,e);F=f[x>>2]|0}else{f[w>>2]=f[e>>2];f[m>>2]=w+4;F=k}k=F+24|0;f[(f[F+12>>2]|0)+(B<<2)>>2]=f[k>>2];f[k>>2]=(f[k>>2]|0)+1;k=f[n>>2]|0;w=f[b>>2]|0;if(E){G=w;H=k;A=59;break}m=w+1|0;do if((w|0)==-1)I=-1;else{p=((m>>>0)%3|0|0)==0?w+-2|0:m;if((p|0)==-1){I=-1;break}if(f[(f[k>>2]|0)+(p>>>5<<2)>>2]&1<<(p&31)|0){I=-1;break}I=f[(f[(f[k+64>>2]|0)+12>>2]|0)+(p<<2)>>2]|0}while(0);f[b>>2]=I;J=(I>>>0)/3|0;K=k}else{G=D;H=C;A=59}while(0);if((A|0)==59){A=0;r=G+1|0;if((G|0)==-1){A=60;break}y=((r>>>0)%3|0|0)==0?G+-2|0:r;do if((y|0)==-1)L=-1;else{if(f[(f[H>>2]|0)+(y>>>5<<2)>>2]&1<<(y&31)|0){L=-1;break}L=f[(f[(f[H+64>>2]|0)+12>>2]|0)+(y<<2)>>2]|0}while(0);f[d>>2]=L;y=(((G>>>0)%3|0|0)==0?2:-1)+G|0;do if((y|0)==-1)M=-1;else{if(f[(f[H>>2]|0)+(y>>>5<<2)>>2]&1<<(y&31)|0){M=-1;break}M=f[(f[(f[H+64>>2]|0)+12>>2]|0)+(y<<2)>>2]|0}while(0);y=(L|0)==-1;r=(L>>>0)/3|0;t=y?-1:r;m=(M|0)==-1;w=(M>>>0)/3|0;p=m?-1:w;do if(!y){q=f[j>>2]|0;if(f[q+(t>>>5<<2)>>2]&1<<(t&31)|0){A=69;break}if(m){N=L;O=r;break}if(!(f[q+(p>>>5<<2)>>2]&1<<(p&31))){A=74;break b}else{N=L;O=r}}else A=69;while(0);if((A|0)==69){A=0;if(m){A=71;break}if(!(f[(f[j>>2]|0)+(p>>>5<<2)>>2]&1<<(p&31))){N=M;O=w}else{A=71;break}}f[b>>2]=N;J=O;K=H}r=(f[j>>2]|0)+(J>>>5<<2)|0;f[r>>2]=f[r>>2]|1<<(J&31);D=f[b>>2]|0;B=f[(f[K+28>>2]|0)+(D<<2)>>2]|0;if((B|0)==-1){h=0;A=79;break a}else C=K}do if((A|0)==60){A=0;f[d>>2]=-1;A=71}else if((A|0)==74){A=0;r=f[l>>2]|0;f[r+-4>>2]=M;if((r|0)==(f[o>>2]|0)){Ci(i,d);P=f[l>>2]|0;break}else{f[r>>2]=f[d>>2];t=r+4|0;f[l>>2]=t;P=t;break}}while(0);if((A|0)==71){A=0;t=(f[l>>2]|0)+-4|0;f[l>>2]=t;P=t}Q=f[i>>2]|0;R=P}else{t=a+-4|0;f[l>>2]=t;Q=g;R=t}if((Q|0)==(R|0)){h=1;A=79;break}else{a=R;g=Q}}if((A|0)==79){u=c;return h|0}return 0}function Ub(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=Oa,V=Oa,Y=Oa,Z=0,_=0,aa=0,ba=0;d=u;u=u+16|0;e=d;g=a+16|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;n[g>>2]=$(1.0);i=a+20|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[a+36>>2]=$(1.0);j=f[c+8>>2]|0;a:do if(j|0){k=a+4|0;l=a+12|0;m=a+8|0;o=j;p=j;while(1){q=o+8|0;r=b[q+11>>0]|0;s=r<<24>>24<0;t=s?f[q>>2]|0:q;v=s?f[o+12>>2]|0:r&255;if(v>>>0>3){r=t;s=v;w=v;while(1){x=X(h[r>>0]|h[r+1>>0]<<8|h[r+2>>0]<<16|h[r+3>>0]<<24,1540483477)|0;s=(X(x>>>24^x,1540483477)|0)^(X(s,1540483477)|0);w=w+-4|0;if(w>>>0<=3)break;else r=r+4|0}r=v+-4|0;w=r&-4;y=r-w|0;z=t+(w+4)|0;A=s}else{y=v;z=t;A=v}switch(y|0){case 3:{B=h[z+2>>0]<<16^A;C=8;break}case 2:{B=A;C=8;break}case 1:{D=A;C=9;break}default:E=A}if((C|0)==8){C=0;D=h[z+1>>0]<<8^B;C=9}if((C|0)==9){C=0;E=X(D^h[z>>0],1540483477)|0}w=X(E>>>13^E,1540483477)|0;r=w>>>15^w;w=f[k>>2]|0;x=(w|0)==0;b:do if(!x){F=w+-1|0;G=(F&w|0)==0;if(!G)if(r>>>0>>0)H=r;else H=(r>>>0)%(w>>>0)|0;else H=r&F;I=f[(f[a>>2]|0)+(H<<2)>>2]|0;if((I|0)!=0?(J=f[I>>2]|0,(J|0)!=0):0){I=(v|0)==0;if(G){if(I){G=J;while(1){K=f[G+4>>2]|0;if(!((K|0)==(r|0)|(K&F|0)==(H|0))){L=H;C=50;break b}K=b[G+8+11>>0]|0;if(!((K<<24>>24<0?f[G+12>>2]|0:K&255)|0))break b;G=f[G>>2]|0;if(!G){L=H;C=50;break b}}}else M=J;while(1){G=f[M+4>>2]|0;if(!((G|0)==(r|0)|(G&F|0)==(H|0))){L=H;C=50;break b}G=M+8|0;K=b[G+11>>0]|0;N=K<<24>>24<0;O=K&255;do if(((N?f[M+12>>2]|0:O)|0)==(v|0)){K=f[G>>2]|0;if(N)if(!(Pk(K,t,v)|0))break b;else break;if((b[t>>0]|0)==(K&255)<<24>>24){K=G;P=O;Q=t;do{P=P+-1|0;K=K+1|0;if(!P)break b;Q=Q+1|0}while((b[K>>0]|0)==(b[Q>>0]|0))}}while(0);M=f[M>>2]|0;if(!M){L=H;C=50;break b}}}if(I){F=J;while(1){O=f[F+4>>2]|0;if((O|0)!=(r|0)){if(O>>>0>>0)R=O;else R=(O>>>0)%(w>>>0)|0;if((R|0)!=(H|0)){L=H;C=50;break b}}O=b[F+8+11>>0]|0;if(!((O<<24>>24<0?f[F+12>>2]|0:O&255)|0))break b;F=f[F>>2]|0;if(!F){L=H;C=50;break b}}}else S=J;while(1){F=f[S+4>>2]|0;if((F|0)!=(r|0)){if(F>>>0>>0)T=F;else T=(F>>>0)%(w>>>0)|0;if((T|0)!=(H|0)){L=H;C=50;break b}}F=S+8|0;I=b[F+11>>0]|0;O=I<<24>>24<0;G=I&255;do if(((O?f[S+12>>2]|0:G)|0)==(v|0)){I=f[F>>2]|0;if(O)if(!(Pk(I,t,v)|0))break b;else break;if((b[t>>0]|0)==(I&255)<<24>>24){I=F;N=G;Q=t;do{N=N+-1|0;I=I+1|0;if(!N)break b;Q=Q+1|0}while((b[I>>0]|0)==(b[Q>>0]|0))}}while(0);S=f[S>>2]|0;if(!S){L=H;C=50;break}}}else{L=H;C=50}}else{L=0;C=50}while(0);if((C|0)==50){C=0;pi(e,a,r,q);U=$(((f[l>>2]|0)+1|0)>>>0);V=$(w>>>0);Y=$(n[g>>2]);do if(x|$(Y*V)>>0<3|(w+-1&w|0)!=0)&1;v=~~$(W($(U/Y)))>>>0;Ph(a,t>>>0>>0?v:t);t=f[k>>2]|0;v=t+-1|0;if(!(v&t)){Z=t;_=v&r;break}if(r>>>0>>0){Z=t;_=r}else{Z=t;_=(r>>>0)%(t>>>0)|0}}else{Z=w;_=L}while(0);w=f[(f[a>>2]|0)+(_<<2)>>2]|0;if(!w){f[f[e>>2]>>2]=f[m>>2];f[m>>2]=f[e>>2];f[(f[a>>2]|0)+(_<<2)>>2]=m;r=f[e>>2]|0;x=f[r>>2]|0;if(x|0){q=f[x+4>>2]|0;x=Z+-1|0;if(x&Z)if(q>>>0>>0)aa=q;else aa=(q>>>0)%(Z>>>0)|0;else aa=q&x;f[(f[a>>2]|0)+(aa<<2)>>2]=r}}else{f[f[e>>2]>>2]=f[w>>2];f[w>>2]=f[e>>2]}f[l>>2]=(f[l>>2]|0)+1}w=f[p>>2]|0;if(!w)break a;else{o=w;p=w}}}while(0);e=f[c+28>>2]|0;if(!e){u=d;return}else ba=e;do{e=ba;c=dn(40)|0;Ub(c,f[e+20>>2]|0);aa=xc(i,e+8|0)|0;e=f[aa>>2]|0;f[aa>>2]=c;if(e|0){c=f[e+28>>2]|0;if(c|0){aa=c;do{c=aa;aa=f[aa>>2]|0;bi(c+8|0);br(c)}while((aa|0)!=0)}aa=e+20|0;c=f[aa>>2]|0;f[aa>>2]=0;if(c|0)br(c);c=f[e+8>>2]|0;if(c|0){aa=c;do{c=aa;aa=f[aa>>2]|0;a=c+8|0;Z=f[c+20>>2]|0;if(Z|0){_=c+24|0;if((f[_>>2]|0)!=(Z|0))f[_>>2]=Z;br(Z)}if((b[a+11>>0]|0)<0)br(f[a>>2]|0);br(c)}while((aa|0)!=0)}aa=f[e>>2]|0;f[e>>2]=0;if(aa|0)br(aa);br(e)}ba=f[ba>>2]|0}while((ba|0)!=0);u=d;return}function Vb(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=Oa,fa=Oa,ga=Oa,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0;g=u;u=u+48|0;i=g+16|0;j=g+12|0;k=g;l=i+16|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)mq(k);q=o<<2;r=dn(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;hj(r|0,0,q|0)|0;f[p>>2]=s;s=c+48|0;q=c+40|0;o=i+4|0;t=i+12|0;v=i+8|0;w=a+40|0;x=a+64|0;y=f[e>>2]|0;e=r;z=0;A=0;B=r;C=r;D=0;E=r;while(1){r=s;F=f[r>>2]|0;G=f[r+4>>2]|0;r=q;H=on(f[r>>2]|0,f[r+4>>2]|0,y+z|0,0)|0;r=Tn(H|0,I|0,F|0,G|0)|0;G=(f[f[c>>2]>>2]|0)+r|0;r=h[G>>0]|h[G+1>>0]<<8|h[G+2>>0]<<16|h[G+3>>0]<<24;f[j>>2]=r;G=r&65535;F=r>>>16;H=F&65535;J=(r&65535^318)+239^F;F=(D|0)==0;a:do if(!F){K=D+-1|0;L=(K&D|0)==0;if(!L)if(J>>>0>>0)M=J;else M=(J>>>0)%(D>>>0)|0;else M=J&K;N=f[(f[i>>2]|0)+(M<<2)>>2]|0;do if(N|0?(O=f[N>>2]|0,O|0):0){b:do if(L){P=O;while(1){Q=f[P+4>>2]|0;R=(Q|0)==(J|0);if(!(R|(Q&K|0)==(M|0))){S=27;break b}if((R?(R=P+8|0,(d[R>>1]|0)==G<<16>>16):0)?(d[R+2>>1]|0)==H<<16>>16:0){T=P;S=26;break b}P=f[P>>2]|0;if(!P){S=27;break}}}else{P=O;while(1){R=f[P+4>>2]|0;if((R|0)==(J|0)){Q=P+8|0;if((d[Q>>1]|0)==G<<16>>16?(d[Q+2>>1]|0)==H<<16>>16:0){T=P;S=26;break b}}else{if(R>>>0>>0)U=R;else U=(R>>>0)%(D>>>0)|0;if((U|0)!=(M|0)){S=27;break b}}P=f[P>>2]|0;if(!P){S=27;break}}}while(0);if((S|0)==26){S=0;f[E+(z<<2)>>2]=f[T+12>>2];V=e;X=A;Y=C;Z=B;_=E;break a}else if((S|0)==27){S=0;if(F){aa=0;S=46;break a}else break}}while(0);K=D+-1|0;L=(K&D|0)==0;if(!L)if(J>>>0>>0)ba=J;else ba=(J>>>0)%(D>>>0)|0;else ba=K&J;N=f[(f[i>>2]|0)+(ba<<2)>>2]|0;if((N|0)!=0?(O=f[N>>2]|0,(O|0)!=0):0){if(L){L=O;while(1){N=f[L+4>>2]|0;if(!((N|0)==(J|0)|(N&K|0)==(ba|0))){aa=ba;S=46;break a}N=L+8|0;if((d[N>>1]|0)==G<<16>>16?(d[N+2>>1]|0)==H<<16>>16:0){S=61;break a}L=f[L>>2]|0;if(!L){aa=ba;S=46;break a}}}else ca=O;while(1){L=f[ca+4>>2]|0;if((L|0)!=(J|0)){if(L>>>0>>0)da=L;else da=(L>>>0)%(D>>>0)|0;if((da|0)!=(ba|0)){aa=ba;S=46;break a}}L=ca+8|0;if((d[L>>1]|0)==G<<16>>16?(d[L+2>>1]|0)==H<<16>>16:0){S=61;break a}ca=f[ca>>2]|0;if(!ca){aa=ba;S=46;break}}}else{aa=ba;S=46}}else{aa=0;S=46}while(0);if((S|0)==46){S=0;H=dn(16)|0;G=H+8|0;d[G>>1]=r;d[G+2>>1]=r>>>16;f[H+12>>2]=A;f[H+4>>2]=J;f[H>>2]=0;ea=$(((f[t>>2]|0)+1|0)>>>0);fa=$(D>>>0);ga=$(n[l>>2]);do if(F|$(ga*fa)>>0<3|(D+-1&D|0)!=0)&1;O=~~$(W($(ea/ga)))>>>0;Eh(i,G>>>0>>0?O:G);G=f[o>>2]|0;O=G+-1|0;if(!(O&G)){ha=G;ia=O&J;break}if(J>>>0>>0){ha=G;ia=J}else{ha=G;ia=(J>>>0)%(G>>>0)|0}}else{ha=D;ia=aa}while(0);J=(f[i>>2]|0)+(ia<<2)|0;F=f[J>>2]|0;if(!F){f[H>>2]=f[v>>2];f[v>>2]=H;f[J>>2]=v;J=f[H>>2]|0;if(J|0){r=f[J+4>>2]|0;J=ha+-1|0;if(J&ha)if(r>>>0>>0)ja=r;else ja=(r>>>0)%(ha>>>0)|0;else ja=r&J;ka=(f[i>>2]|0)+(ja<<2)|0;S=59}}else{f[H>>2]=f[F>>2];ka=F;S=59}if((S|0)==59){S=0;f[ka>>2]=H}f[t>>2]=(f[t>>2]|0)+1;S=61}if((S|0)==61){S=0;F=w;J=f[F>>2]|0;r=on(J|0,f[F+4>>2]|0,A|0,0)|0;Rg((f[f[x>>2]>>2]|0)+r|0,j|0,J|0)|0;J=f[k>>2]|0;f[J+(z<<2)>>2]=A;V=J;X=A+1|0;Y=J;Z=J;_=J}J=z+1|0;la=f[m>>2]|0;if(J>>>0>=la>>>0)break;e=V;z=J;A=X;B=Z;C=Y;D=f[o>>2]|0;E=_}if((X|0)==(la|0))ma=Z;else{Z=a+84|0;if(!(b[Z>>0]|0)){_=f[a+72>>2]|0;E=f[a+68>>2]|0;o=E;if((_|0)==(E|0))na=V;else{D=_-E>>2;E=0;do{_=o+(E<<2)|0;f[_>>2]=f[Y+(f[_>>2]<<2)>>2];E=E+1|0}while(E>>>0>>0);na=V}}else{b[Z>>0]=0;Z=a+68|0;V=a+72|0;D=f[V>>2]|0;E=f[Z>>2]|0;Y=D-E>>2;o=E;E=D;if(la>>>0<=Y>>>0)if(la>>>0>>0?(D=o+(la<<2)|0,(D|0)!=(E|0)):0){f[V>>2]=E+(~((E+-4-D|0)>>>2)<<2);oa=la}else oa=la;else{kh(Z,la-Y|0,1204);oa=f[m>>2]|0}Y=f[k>>2]|0;if(!oa)na=Y;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[Y+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);na=Y}}f[m>>2]=X;ma=na}if(!ma)pa=X;else{na=f[p>>2]|0;if((na|0)!=(ma|0))f[p>>2]=na+(~((na+-4-ma|0)>>>2)<<2);br(ma);pa=X}}else pa=0;X=f[i+8>>2]|0;if(X|0){ma=X;do{X=ma;ma=f[ma>>2]|0;br(X)}while((ma|0)!=0)}ma=f[i>>2]|0;f[i>>2]=0;if(!ma){u=g;return pa|0}br(ma);u=g;return pa|0}function Wb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0;c=u;u=u+16|0;d=c+8|0;e=c;g=f[b>>2]|0;if((g|0)==-1){h=1;u=c;return h|0}i=(g>>>0)/3|0;j=a+24|0;if(f[(f[j>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0){h=1;u=c;return h|0}i=a+48|0;k=f[i>>2]|0;l=a+52|0;m=f[l>>2]|0;if((m|0)==(k|0))n=k;else{o=m+(~((m+-4-k|0)>>>2)<<2)|0;f[l>>2]=o;n=o}o=a+56|0;if((n|0)==(f[o>>2]|0))Ci(i,b);else{f[n>>2]=g;f[l>>2]=n+4}n=a+4|0;g=f[n>>2]|0;k=f[b>>2]|0;m=k+1|0;if((k|0)==-1){h=0;u=c;return h|0}p=((m>>>0)%3|0|0)==0?k+-2|0:m;if((p|0)==-1)q=-1;else q=f[(f[g>>2]|0)+(p<<2)>>2]|0;p=(((k>>>0)%3|0|0)==0?2:-1)+k|0;if((p|0)==-1){h=0;u=c;return h|0}k=f[(f[g>>2]|0)+(p<<2)>>2]|0;if((q|0)==-1|(k|0)==-1){h=0;u=c;return h|0}p=a+36|0;g=f[p>>2]|0;m=g+(q>>>5<<2)|0;r=1<<(q&31);s=f[m>>2]|0;if(!(s&r)){f[m>>2]=s|r;r=f[b>>2]|0;s=r+1|0;if((r|0)==-1)t=-1;else t=((s>>>0)%3|0|0)==0?r+-2|0:s;f[e>>2]=t;s=f[(f[(f[a+16>>2]|0)+96>>2]|0)+(((t>>>0)/3|0)*12|0)+(((t>>>0)%3|0)<<2)>>2]|0;t=f[a+20>>2]|0;f[d>>2]=s;r=f[t+4>>2]|0;t=r+4|0;m=f[t>>2]|0;if((m|0)==(f[r+8>>2]|0))Ci(r,d);else{f[m>>2]=s;f[t>>2]=m+4}m=a+12|0;t=f[m>>2]|0;s=t+4|0;r=f[s>>2]|0;if((r|0)==(f[t+8>>2]|0)){Ci(t,e);v=f[m>>2]|0}else{f[r>>2]=f[e>>2];f[s>>2]=r+4;v=t}t=v+24|0;f[(f[v+12>>2]|0)+(q<<2)>>2]=f[t>>2];f[t>>2]=(f[t>>2]|0)+1;w=f[p>>2]|0}else w=g;g=w+(k>>>5<<2)|0;w=1<<(k&31);t=f[g>>2]|0;if(!(t&w)){f[g>>2]=t|w;w=f[b>>2]|0;do if((w|0)!=-1)if(!((w>>>0)%3|0)){x=w+2|0;break}else{x=w+-1|0;break}else x=-1;while(0);f[e>>2]=x;w=f[(f[(f[a+16>>2]|0)+96>>2]|0)+(((x>>>0)/3|0)*12|0)+(((x>>>0)%3|0)<<2)>>2]|0;x=f[a+20>>2]|0;f[d>>2]=w;t=f[x+4>>2]|0;x=t+4|0;g=f[x>>2]|0;if((g|0)==(f[t+8>>2]|0))Ci(t,d);else{f[g>>2]=w;f[x>>2]=g+4}g=a+12|0;x=f[g>>2]|0;w=x+4|0;t=f[w>>2]|0;if((t|0)==(f[x+8>>2]|0)){Ci(x,e);y=f[g>>2]|0}else{f[t>>2]=f[e>>2];f[w>>2]=t+4;y=x}x=y+24|0;f[(f[y+12>>2]|0)+(k<<2)>>2]=f[x>>2];f[x>>2]=(f[x>>2]|0)+1}x=f[i>>2]|0;k=f[l>>2]|0;if((x|0)==(k|0)){h=1;u=c;return h|0}y=a+16|0;t=a+20|0;w=a+12|0;a=k;k=x;a:while(1){x=f[a+-4>>2]|0;f[b>>2]=x;g=(x>>>0)/3|0;if((x|0)!=-1?(x=(f[j>>2]|0)+(g>>>5<<2)|0,q=1<<(g&31),g=f[x>>2]|0,(g&q|0)==0):0){f[x>>2]=g|q;q=f[b>>2]|0;if((q|0)==-1){h=0;z=80;break}g=f[n>>2]|0;x=q;b:while(1){q=f[(f[g>>2]|0)+(x<<2)>>2]|0;if((q|0)==-1){h=0;z=80;break a}v=(f[p>>2]|0)+(q>>>5<<2)|0;r=1<<(q&31);s=f[v>>2]|0;do if(!(s&r)){m=f[(f[g+24>>2]|0)+(q<<2)>>2]|0;A=m+1|0;do if((m|0)==-1)B=1;else{C=((A>>>0)%3|0|0)==0?m+-2|0:A;if((C|0)==-1){B=1;break}D=f[(f[g+12>>2]|0)+(C<<2)>>2]|0;C=D+1|0;if((D|0)==-1){B=1;break}B=((((C>>>0)%3|0|0)==0?D+-2|0:C)|0)==-1}while(0);f[v>>2]=s|r;A=f[b>>2]|0;f[e>>2]=A;m=f[(f[(f[y>>2]|0)+96>>2]|0)+(((A>>>0)/3|0)*12|0)+(((A>>>0)%3|0)<<2)>>2]|0;A=f[t>>2]|0;f[d>>2]=m;C=f[A+4>>2]|0;A=C+4|0;D=f[A>>2]|0;if((D|0)==(f[C+8>>2]|0))Ci(C,d);else{f[D>>2]=m;f[A>>2]=D+4}D=f[w>>2]|0;A=D+4|0;m=f[A>>2]|0;if((m|0)==(f[D+8>>2]|0)){Ci(D,e);E=f[w>>2]|0}else{f[m>>2]=f[e>>2];f[A>>2]=m+4;E=D}D=E+24|0;f[(f[E+12>>2]|0)+(q<<2)>>2]=f[D>>2];f[D>>2]=(f[D>>2]|0)+1;D=f[n>>2]|0;m=f[b>>2]|0;if(B)if((m|0)==-1){z=63;break b}else{F=m;G=D;z=64;break}do if((m|0)==-1)H=-1;else{A=m+1|0;C=((A>>>0)%3|0|0)==0?m+-2|0:A;if((C|0)==-1){H=-1;break}H=f[(f[D+12>>2]|0)+(C<<2)>>2]|0}while(0);f[b>>2]=H;I=(H>>>0)/3|0;J=D}else{F=x;G=g;z=64}while(0);if((z|0)==64){z=0;q=F+1|0;r=((q>>>0)%3|0|0)==0?F+-2|0:q;if((r|0)==-1)K=-1;else K=f[(f[G+12>>2]|0)+(r<<2)>>2]|0;f[d>>2]=K;r=(((F>>>0)%3|0|0)==0?2:-1)+F|0;if((r|0)==-1)L=-1;else L=f[(f[G+12>>2]|0)+(r<<2)>>2]|0;r=(K|0)==-1;q=(K>>>0)/3|0;s=r?-1:q;v=(L|0)==-1;m=(L>>>0)/3|0;C=v?-1:m;do if(!r){A=f[j>>2]|0;if(f[A+(s>>>5<<2)>>2]&1<<(s&31)|0){z=70;break}if(v){M=K;N=q;break}if(!(f[A+(C>>>5<<2)>>2]&1<<(C&31))){z=75;break b}else{M=K;N=q}}else z=70;while(0);if((z|0)==70){z=0;if(v){z=72;break}if(!(f[(f[j>>2]|0)+(C>>>5<<2)>>2]&1<<(C&31))){M=L;N=m}else{z=72;break}}f[b>>2]=M;I=N;J=G}q=(f[j>>2]|0)+(I>>>5<<2)|0;f[q>>2]=f[q>>2]|1<<(I&31);x=f[b>>2]|0;if((x|0)==-1){h=0;z=80;break a}else g=J}do if((z|0)==63){z=0;f[d>>2]=-1;z=72}else if((z|0)==75){z=0;g=f[l>>2]|0;f[g+-4>>2]=L;if((g|0)==(f[o>>2]|0)){Ci(i,d);O=f[l>>2]|0;break}else{f[g>>2]=f[d>>2];x=g+4|0;f[l>>2]=x;O=x;break}}while(0);if((z|0)==72){z=0;x=(f[l>>2]|0)+-4|0;f[l>>2]=x;O=x}P=f[i>>2]|0;Q=O}else{x=a+-4|0;f[l>>2]=x;P=k;Q=x}if((P|0)==(Q|0)){h=1;z=80;break}else{a=Q;k=P}}if((z|0)==80){u=c;return h|0}return 0}function Xb(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=Oa,da=Oa,ea=Oa,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0;e=u;u=u+48|0;g=e+20|0;i=e;j=e+8|0;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)mq(j);p=m<<2;q=dn(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;hj(q|0,0,p|0)|0;f[o>>2]=r;r=c+48|0;p=c+40|0;m=g+4|0;s=g+12|0;t=g+8|0;v=a+40|0;w=a+64|0;x=f[d>>2]|0;d=q;y=0;z=0;A=q;B=q;C=q;q=0;while(1){D=r;E=f[D>>2]|0;F=f[D+4>>2]|0;D=p;G=on(f[D>>2]|0,f[D+4>>2]|0,x+y|0,0)|0;D=Tn(G|0,I|0,E|0,F|0)|0;F=(f[f[c>>2]>>2]|0)+D|0;D=F;E=h[D>>0]|h[D+1>>0]<<8|h[D+2>>0]<<16|h[D+3>>0]<<24;D=F+4|0;F=h[D>>0]|h[D+1>>0]<<8|h[D+2>>0]<<16|h[D+3>>0]<<24;D=i;f[D>>2]=E;f[D+4>>2]=F;D=(E^318)+239^F;G=(q|0)==0;a:do if(!G){H=q+-1|0;J=(H&q|0)==0;if(!J)if(D>>>0>>0)K=D;else K=(D>>>0)%(q>>>0)|0;else K=D&H;L=f[(f[g>>2]|0)+(K<<2)>>2]|0;do if(L|0?(M=f[L>>2]|0,M|0):0){b:do if(J){N=M;while(1){O=f[N+4>>2]|0;P=(O|0)==(D|0);if(!(P|(O&H|0)==(K|0))){Q=27;break b}if((P?(f[N+8>>2]|0)==(E|0):0)?(f[N+12>>2]|0)==(F|0):0){R=N;Q=26;break b}N=f[N>>2]|0;if(!N){Q=27;break}}}else{N=M;while(1){P=f[N+4>>2]|0;if((P|0)==(D|0)){if((f[N+8>>2]|0)==(E|0)?(f[N+12>>2]|0)==(F|0):0){R=N;Q=26;break b}}else{if(P>>>0>>0)S=P;else S=(P>>>0)%(q>>>0)|0;if((S|0)!=(K|0)){Q=27;break b}}N=f[N>>2]|0;if(!N){Q=27;break}}}while(0);if((Q|0)==26){Q=0;f[A+(y<<2)>>2]=f[R+16>>2];T=d;U=z;V=C;X=B;Y=A;break a}else if((Q|0)==27){Q=0;if(G){Z=0;Q=46;break a}else break}}while(0);H=q+-1|0;J=(H&q|0)==0;if(!J)if(D>>>0>>0)_=D;else _=(D>>>0)%(q>>>0)|0;else _=H&D;L=f[(f[g>>2]|0)+(_<<2)>>2]|0;if((L|0)!=0?(M=f[L>>2]|0,(M|0)!=0):0){if(J){J=M;while(1){L=f[J+4>>2]|0;if(!((L|0)==(D|0)|(L&H|0)==(_|0))){Z=_;Q=46;break a}if((f[J+8>>2]|0)==(E|0)?(f[J+12>>2]|0)==(F|0):0){Q=61;break a}J=f[J>>2]|0;if(!J){Z=_;Q=46;break a}}}else aa=M;while(1){J=f[aa+4>>2]|0;if((J|0)!=(D|0)){if(J>>>0>>0)ba=J;else ba=(J>>>0)%(q>>>0)|0;if((ba|0)!=(_|0)){Z=_;Q=46;break a}}if((f[aa+8>>2]|0)==(E|0)?(f[aa+12>>2]|0)==(F|0):0){Q=61;break a}aa=f[aa>>2]|0;if(!aa){Z=_;Q=46;break}}}else{Z=_;Q=46}}else{Z=0;Q=46}while(0);if((Q|0)==46){Q=0;M=dn(20)|0;J=M+8|0;f[J>>2]=E;f[J+4>>2]=F;f[M+16>>2]=z;f[M+4>>2]=D;f[M>>2]=0;ca=$(((f[s>>2]|0)+1|0)>>>0);da=$(q>>>0);ea=$(n[k>>2]);do if(G|$(ea*da)>>0<3|(q+-1&q|0)!=0)&1;H=~~$(W($(ca/ea)))>>>0;Ih(g,J>>>0>>0?H:J);J=f[m>>2]|0;H=J+-1|0;if(!(H&J)){fa=J;ga=H&D;break}if(D>>>0>>0){fa=J;ga=D}else{fa=J;ga=(D>>>0)%(J>>>0)|0}}else{fa=q;ga=Z}while(0);D=(f[g>>2]|0)+(ga<<2)|0;G=f[D>>2]|0;if(!G){f[M>>2]=f[t>>2];f[t>>2]=M;f[D>>2]=t;D=f[M>>2]|0;if(D|0){F=f[D+4>>2]|0;D=fa+-1|0;if(D&fa)if(F>>>0>>0)ha=F;else ha=(F>>>0)%(fa>>>0)|0;else ha=F&D;ia=(f[g>>2]|0)+(ha<<2)|0;Q=59}}else{f[M>>2]=f[G>>2];ia=G;Q=59}if((Q|0)==59){Q=0;f[ia>>2]=M}f[s>>2]=(f[s>>2]|0)+1;Q=61}if((Q|0)==61){Q=0;G=v;D=f[G>>2]|0;F=on(D|0,f[G+4>>2]|0,z|0,0)|0;Rg((f[f[w>>2]>>2]|0)+F|0,i|0,D|0)|0;D=f[j>>2]|0;f[D+(y<<2)>>2]=z;T=D;U=z+1|0;V=D;X=D;Y=D}D=y+1|0;ja=f[l>>2]|0;if(D>>>0>=ja>>>0)break;d=T;y=D;z=U;A=Y;B=X;C=V;q=f[m>>2]|0}if((U|0)==(ja|0))ka=X;else{X=a+84|0;if(!(b[X>>0]|0)){m=f[a+72>>2]|0;q=f[a+68>>2]|0;C=q;if((m|0)==(q|0))la=T;else{B=m-q>>2;q=0;do{m=C+(q<<2)|0;f[m>>2]=f[V+(f[m>>2]<<2)>>2];q=q+1|0}while(q>>>0>>0);la=T}}else{b[X>>0]=0;X=a+68|0;T=a+72|0;B=f[T>>2]|0;q=f[X>>2]|0;V=B-q>>2;C=q;q=B;if(ja>>>0<=V>>>0)if(ja>>>0>>0?(B=C+(ja<<2)|0,(B|0)!=(q|0)):0){f[T>>2]=q+(~((q+-4-B|0)>>>2)<<2);ma=ja}else ma=ja;else{kh(X,ja-V|0,1204);ma=f[l>>2]|0}V=f[j>>2]|0;if(!ma)la=V;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[V+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);la=V}}f[l>>2]=U;ka=la}if(!ka)na=U;else{la=f[o>>2]|0;if((la|0)!=(ka|0))f[o>>2]=la+(~((la+-4-ka|0)>>>2)<<2);br(ka);na=U}}else na=0;U=f[g+8>>2]|0;if(U|0){ka=U;do{U=ka;ka=f[ka>>2]|0;br(U)}while((ka|0)!=0)}ka=f[g>>2]|0;f[g>>2]=0;if(!ka){u=e;return na|0}br(ka);u=e;return na|0}function Yb(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=Oa,fa=Oa,ga=Oa,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0;g=u;u=u+48|0;i=g+12|0;j=g+32|0;k=g;l=i+16|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)mq(k);q=o<<2;r=dn(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;hj(r|0,0,q|0)|0;f[p>>2]=s;s=c+48|0;q=c+40|0;o=i+4|0;t=i+12|0;v=i+8|0;w=a+40|0;x=a+64|0;y=f[e>>2]|0;e=r;z=0;A=0;B=r;C=r;D=0;E=r;while(1){r=s;F=f[r>>2]|0;G=f[r+4>>2]|0;r=q;H=on(f[r>>2]|0,f[r+4>>2]|0,y+z|0,0)|0;r=Tn(H|0,I|0,F|0,G|0)|0;G=(f[f[c>>2]>>2]|0)+r|0;r=h[G>>0]|h[G+1>>0]<<8;d[j>>1]=r;G=r&255;F=(r&65535)>>>8;H=F&255;J=((r&255^318)+239<<16>>16^F)&65535;F=(D|0)==0;a:do if(!F){K=D+-1|0;L=(K&D|0)==0;if(!L)if(D>>>0>J>>>0)M=J;else M=(J>>>0)%(D>>>0)|0;else M=K&J;N=f[(f[i>>2]|0)+(M<<2)>>2]|0;do if(N|0?(O=f[N>>2]|0,O|0):0){b:do if(L){P=O;while(1){Q=f[P+4>>2]|0;R=(Q|0)==(J|0);if(!(R|(Q&K|0)==(M|0))){S=27;break b}if((R?(R=P+8|0,(b[R>>0]|0)==G<<24>>24):0)?(b[R+1>>0]|0)==H<<24>>24:0){T=P;S=26;break b}P=f[P>>2]|0;if(!P){S=27;break}}}else{P=O;while(1){R=f[P+4>>2]|0;if((R|0)==(J|0)){Q=P+8|0;if((b[Q>>0]|0)==G<<24>>24?(b[Q+1>>0]|0)==H<<24>>24:0){T=P;S=26;break b}}else{if(R>>>0>>0)U=R;else U=(R>>>0)%(D>>>0)|0;if((U|0)!=(M|0)){S=27;break b}}P=f[P>>2]|0;if(!P){S=27;break}}}while(0);if((S|0)==26){S=0;f[E+(z<<2)>>2]=f[T+12>>2];V=e;X=A;Y=C;Z=B;_=E;break a}else if((S|0)==27){S=0;if(F){aa=0;S=46;break a}else break}}while(0);K=D+-1|0;L=(K&D|0)==0;if(!L)if(D>>>0>J>>>0)ba=J;else ba=(J>>>0)%(D>>>0)|0;else ba=K&J;N=f[(f[i>>2]|0)+(ba<<2)>>2]|0;if((N|0)!=0?(O=f[N>>2]|0,(O|0)!=0):0){if(L){L=O;while(1){N=f[L+4>>2]|0;if(!((N|0)==(J|0)|(N&K|0)==(ba|0))){aa=ba;S=46;break a}N=L+8|0;if((b[N>>0]|0)==G<<24>>24?(b[N+1>>0]|0)==H<<24>>24:0){S=61;break a}L=f[L>>2]|0;if(!L){aa=ba;S=46;break a}}}else ca=O;while(1){L=f[ca+4>>2]|0;if((L|0)!=(J|0)){if(L>>>0>>0)da=L;else da=(L>>>0)%(D>>>0)|0;if((da|0)!=(ba|0)){aa=ba;S=46;break a}}L=ca+8|0;if((b[L>>0]|0)==G<<24>>24?(b[L+1>>0]|0)==H<<24>>24:0){S=61;break a}ca=f[ca>>2]|0;if(!ca){aa=ba;S=46;break}}}else{aa=ba;S=46}}else{aa=0;S=46}while(0);if((S|0)==46){S=0;H=dn(16)|0;G=H+8|0;b[G>>0]=r;b[G+1>>0]=r>>8;f[H+12>>2]=A;f[H+4>>2]=J;f[H>>2]=0;ea=$(((f[t>>2]|0)+1|0)>>>0);fa=$(D>>>0);ga=$(n[l>>2]);do if(F|$(ga*fa)>>0<3|(D+-1&D|0)!=0)&1;O=~~$(W($(ea/ga)))>>>0;Lh(i,G>>>0>>0?O:G);G=f[o>>2]|0;O=G+-1|0;if(!(O&G)){ha=G;ia=O&J;break}if(G>>>0>J>>>0){ha=G;ia=J}else{ha=G;ia=(J>>>0)%(G>>>0)|0}}else{ha=D;ia=aa}while(0);J=(f[i>>2]|0)+(ia<<2)|0;F=f[J>>2]|0;if(!F){f[H>>2]=f[v>>2];f[v>>2]=H;f[J>>2]=v;J=f[H>>2]|0;if(J|0){r=f[J+4>>2]|0;J=ha+-1|0;if(J&ha)if(r>>>0>>0)ja=r;else ja=(r>>>0)%(ha>>>0)|0;else ja=r&J;ka=(f[i>>2]|0)+(ja<<2)|0;S=59}}else{f[H>>2]=f[F>>2];ka=F;S=59}if((S|0)==59){S=0;f[ka>>2]=H}f[t>>2]=(f[t>>2]|0)+1;S=61}if((S|0)==61){S=0;F=w;J=f[F>>2]|0;r=on(J|0,f[F+4>>2]|0,A|0,0)|0;Rg((f[f[x>>2]>>2]|0)+r|0,j|0,J|0)|0;J=f[k>>2]|0;f[J+(z<<2)>>2]=A;V=J;X=A+1|0;Y=J;Z=J;_=J}J=z+1|0;la=f[m>>2]|0;if(J>>>0>=la>>>0)break;e=V;z=J;A=X;B=Z;C=Y;D=f[o>>2]|0;E=_}if((X|0)==(la|0))ma=Z;else{Z=a+84|0;if(!(b[Z>>0]|0)){_=f[a+72>>2]|0;E=f[a+68>>2]|0;o=E;if((_|0)==(E|0))na=V;else{D=_-E>>2;E=0;do{_=o+(E<<2)|0;f[_>>2]=f[Y+(f[_>>2]<<2)>>2];E=E+1|0}while(E>>>0>>0);na=V}}else{b[Z>>0]=0;Z=a+68|0;V=a+72|0;D=f[V>>2]|0;E=f[Z>>2]|0;Y=D-E>>2;o=E;E=D;if(la>>>0<=Y>>>0)if(la>>>0>>0?(D=o+(la<<2)|0,(D|0)!=(E|0)):0){f[V>>2]=E+(~((E+-4-D|0)>>>2)<<2);oa=la}else oa=la;else{kh(Z,la-Y|0,1204);oa=f[m>>2]|0}Y=f[k>>2]|0;if(!oa)na=Y;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[Y+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);na=Y}}f[m>>2]=X;ma=na}if(!ma)pa=X;else{na=f[p>>2]|0;if((na|0)!=(ma|0))f[p>>2]=na+(~((na+-4-ma|0)>>>2)<<2);br(ma);pa=X}}else pa=0;X=f[i+8>>2]|0;if(X|0){ma=X;do{X=ma;ma=f[ma>>2]|0;br(X)}while((ma|0)!=0)}ma=f[i>>2]|0;f[i>>2]=0;if(!ma){u=g;return pa|0}br(ma);u=g;return pa|0}function Zb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0;c=u;u=u+16|0;d=c+8|0;e=c;g=c+4|0;h=a+16|0;i=f[h>>2]|0;j=a+20|0;k=f[j>>2]|0;if((k|0)==(i|0))l=i;else{m=k+(~((k+-4-i|0)>>>2)<<2)|0;f[j>>2]=m;l=m}m=a+24|0;if((l|0)==(f[m>>2]|0)){Ci(h,b);n=f[h>>2]|0;o=f[j>>2]|0}else{f[l>>2]=f[b>>2];k=l+4|0;f[j>>2]=k;n=i;o=k}k=f[a+8>>2]|0;i=(f[k+100>>2]|0)-(f[k+96>>2]|0)|0;k=(i|0)/12|0;if((n|0)==(o|0)){u=c;return 1}n=a+28|0;l=(i|0)>0;i=a+164|0;p=a+12|0;q=a+76|0;r=a+80|0;s=a+72|0;t=a+200|0;v=a+320|0;w=a+152|0;x=a+84|0;y=a+324|0;z=a+292|0;A=a+304|0;B=a+316|0;C=a+328|0;D=a+336|0;E=a+332|0;F=a+168|0;G=a+140|0;H=a+120|0;I=o;do{o=f[I+-4>>2]|0;f[b>>2]=o;a:do if((o|0)!=-1?(J=(o>>>0)/3|0,K=f[n>>2]|0,(f[K+(J>>>5<<2)>>2]&1<<(J&31)|0)==0):0){if(l){J=0;L=K;b:while(1){K=J+1|0;f[i>>2]=(f[i>>2]|0)+1;M=f[b>>2]|0;N=(M|0)==-1?-1:(M>>>0)/3|0;M=L+(N>>>5<<2)|0;f[M>>2]=1<<(N&31)|f[M>>2];M=f[q>>2]|0;if((M|0)==(f[r>>2]|0))Ci(s,b);else{f[M>>2]=f[b>>2];f[q>>2]=M+4}f[v>>2]=f[b>>2];M=f[b>>2]|0;if((M|0)==-1)O=-1;else O=f[(f[f[p>>2]>>2]|0)+(M<<2)>>2]|0;P=(f[(f[w>>2]|0)+(O<<2)>>2]|0)!=-1;Q=(f[x>>2]|0)+(O>>>5<<2)|0;R=1<<(O&31);S=f[Q>>2]|0;do if(!(S&R)){f[Q>>2]=S|R;if(P){T=f[b>>2]|0;U=38;break}f[y>>2]=(f[y>>2]|0)+1;V=f[v>>2]|0;W=V+1|0;do if((V|0)!=-1){X=((W>>>0)%3|0|0)==0?V+-2|0:W;if(!((V>>>0)%3|0)){Y=V+2|0;Z=X;break}else{Y=V+-1|0;Z=X;break}}else{Y=-1;Z=-1}while(0);V=f[z>>2]|0;W=f[A>>2]|0;X=W+(f[V+(Z<<2)>>2]<<2)|0;_=f[X>>2]|0;f[X>>2]=_+-1;X=W+(f[V+(Y<<2)>>2]<<2)|0;f[X>>2]=(f[X>>2]|0)+-1;X=f[B>>2]|0;if((X|0)!=-1){V=f[C>>2]|0;if((_|0)<(V|0))$=V;else{W=f[E>>2]|0;$=(_|0)>(W|0)?W:_}_=$-V|0;V=f[D>>2]|0;W=f[3384+(X<<2)>>2]|0;f[d>>2]=W;X=V+(_*12|0)+4|0;aa=f[X>>2]|0;if(aa>>>0<(f[V+(_*12|0)+8>>2]|0)>>>0){f[aa>>2]=W;f[X>>2]=aa+4}else Ci(V+(_*12|0)|0,d)}f[B>>2]=0;_=f[b>>2]|0;V=_+1|0;if((_|0)!=-1?(aa=((V>>>0)%3|0|0)==0?_+-2|0:V,(aa|0)!=-1):0)ba=f[(f[(f[p>>2]|0)+12>>2]|0)+(aa<<2)>>2]|0;else ba=-1;f[b>>2]=ba}else{T=M;U=38}while(0);if((U|0)==38){U=0;M=T+1|0;if((T|0)==-1){U=43;break}R=((M>>>0)%3|0|0)==0?T+-2|0:M;if((R|0)==-1)ca=-1;else ca=f[(f[(f[p>>2]|0)+12>>2]|0)+(R<<2)>>2]|0;f[e>>2]=ca;R=(((T>>>0)%3|0|0)==0?2:-1)+T|0;if((R|0)==-1)da=-1;else da=f[(f[(f[p>>2]|0)+12>>2]|0)+(R<<2)>>2]|0;R=(ca|0)==-1;S=R?-1:(ca>>>0)/3|0;ea=(da|0)==-1;fa=ea?-1:(da>>>0)/3|0;Q=((M>>>0)%3|0|0)==0?T+-2|0:M;if(((Q|0)!=-1?(M=f[(f[p>>2]|0)+12>>2]|0,aa=f[M+(Q<<2)>>2]|0,(aa|0)!=-1):0)?(Q=(aa>>>0)/3|0,aa=f[n>>2]|0,(f[aa+(Q>>>5<<2)>>2]&1<<(Q&31)|0)==0):0){Q=(((T>>>0)%3|0|0)==0?2:-1)+T|0;do if((Q|0)!=-1){V=f[M+(Q<<2)>>2]|0;if((V|0)==-1)break;_=(V>>>0)/3|0;if(!(f[aa+(_>>>5<<2)>>2]&1<<(_&31))){U=62;break b}}while(0);if(!ea)jf(a,f[i>>2]|0,N,0,fa);hd(t,3);ga=f[e>>2]|0}else{if(!R){jf(a,f[i>>2]|0,N,1,S);aa=f[b>>2]|0;if((aa|0)==-1){U=52;break}else ha=aa}else ha=T;aa=(((ha>>>0)%3|0|0)==0?2:-1)+ha|0;if((aa|0)==-1){U=52;break}Q=f[(f[(f[p>>2]|0)+12>>2]|0)+(aa<<2)>>2]|0;if((Q|0)==-1){U=52;break}aa=(Q>>>0)/3|0;if(f[(f[n>>2]|0)+(aa>>>5<<2)>>2]&1<<(aa&31)|0){U=52;break}hd(t,5);ga=da}f[b>>2]=ga}if((K|0)>=(k|0))break a;J=K;L=f[n>>2]|0}do if((U|0)==43){U=0;f[e>>2]=-1;U=54}else if((U|0)==52){U=0;if(ea)U=54;else{jf(a,f[i>>2]|0,N,0,fa);U=54}}else if((U|0)==62){U=0;hd(t,1);f[F>>2]=(f[F>>2]|0)+1;if(P?(L=f[(f[w>>2]|0)+(O<<2)>>2]|0,(1<<(L&31)&f[(f[G>>2]|0)+(L>>>5<<2)>>2]|0)==0):0){f[g>>2]=f[b>>2];f[d>>2]=f[g>>2];Ce(a,d,0)|0}L=f[i>>2]|0;f[d>>2]=N;J=Sd(H,d)|0;f[J>>2]=L;L=f[j>>2]|0;f[L+-4>>2]=da;if((L|0)==(f[m>>2]|0)){Ci(h,e);break}else{f[L>>2]=f[e>>2];f[j>>2]=L+4;break}}while(0);if((U|0)==54){U=0;hd(t,7);f[j>>2]=(f[j>>2]|0)+-4}}}else U=11;while(0);if((U|0)==11){U=0;f[j>>2]=I+-4}I=f[j>>2]|0}while((f[h>>2]|0)!=(I|0));u=c;return 1}function _b(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=Oa,K=Oa,L=Oa,M=0,N=0,O=0,P=0;e=u;u=u+64|0;g=e+40|0;i=e+16|0;j=e;k=xd(a,c)|0;if(k|0){f[i>>2]=k;f[g>>2]=f[i>>2];Xe(a,g)|0}f[j>>2]=0;k=j+4|0;f[k>>2]=0;f[j+8>>2]=0;ri(j,8);l=d;d=l;m=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;d=l+4|0;l=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;d=f[j>>2]|0;o=d;b[o>>0]=m;b[o+1>>0]=m>>8;b[o+2>>0]=m>>16;b[o+3>>0]=m>>24;m=d+4|0;b[m>>0]=l;b[m+1>>0]=l>>8;b[m+2>>0]=l>>16;b[m+3>>0]=l>>24;dj(i,c);c=i+12|0;f[c>>2]=0;l=i+16|0;f[l>>2]=0;f[i+20>>2]=0;m=f[k>>2]|0;d=f[j>>2]|0;o=m-d|0;if(!o){p=d;q=m;r=0}else{ri(c,o);p=f[j>>2]|0;q=f[k>>2]|0;r=f[c>>2]|0}Rg(r|0,p|0,q-p|0)|0;p=i+11|0;q=b[p>>0]|0;r=q<<24>>24<0;c=r?f[i>>2]|0:i;o=r?f[i+4>>2]|0:q&255;if(o>>>0>3){q=c;r=o;m=o;while(1){d=X(h[q>>0]|h[q+1>>0]<<8|h[q+2>>0]<<16|h[q+3>>0]<<24,1540483477)|0;r=(X(d>>>24^d,1540483477)|0)^(X(r,1540483477)|0);m=m+-4|0;if(m>>>0<=3)break;else q=q+4|0}q=o+-4|0;m=q&-4;s=q-m|0;t=c+(m+4)|0;v=r}else{s=o;t=c;v=o}switch(s|0){case 3:{w=h[t+2>>0]<<16^v;x=10;break}case 2:{w=v;x=10;break}case 1:{y=v;x=11;break}default:z=v}if((x|0)==10){y=h[t+1>>0]<<8^w;x=11}if((x|0)==11)z=X(y^h[t>>0],1540483477)|0;t=X(z>>>13^z,1540483477)|0;z=t>>>15^t;t=a+4|0;y=f[t>>2]|0;w=(y|0)==0;a:do if(!w){v=y+-1|0;s=(v&y|0)==0;if(!s)if(z>>>0>>0)A=z;else A=(z>>>0)%(y>>>0)|0;else A=z&v;r=f[(f[a>>2]|0)+(A<<2)>>2]|0;if((r|0)!=0?(m=f[r>>2]|0,(m|0)!=0):0){r=(o|0)==0;if(s){if(r){s=m;while(1){q=f[s+4>>2]|0;if(!((q|0)==(z|0)|(q&v|0)==(A|0))){B=A;x=52;break a}q=b[s+8+11>>0]|0;if(!((q<<24>>24<0?f[s+12>>2]|0:q&255)|0))break a;s=f[s>>2]|0;if(!s){B=A;x=52;break a}}}else C=m;while(1){s=f[C+4>>2]|0;if(!((s|0)==(z|0)|(s&v|0)==(A|0))){B=A;x=52;break a}s=C+8|0;q=b[s+11>>0]|0;d=q<<24>>24<0;D=q&255;do if(((d?f[C+12>>2]|0:D)|0)==(o|0)){q=f[s>>2]|0;if(d)if(!(Pk(q,c,o)|0))break a;else break;if((b[c>>0]|0)==(q&255)<<24>>24){q=s;E=D;F=c;do{E=E+-1|0;q=q+1|0;if(!E)break a;F=F+1|0}while((b[q>>0]|0)==(b[F>>0]|0))}}while(0);C=f[C>>2]|0;if(!C){B=A;x=52;break a}}}if(r){v=m;while(1){D=f[v+4>>2]|0;if((D|0)!=(z|0)){if(D>>>0>>0)G=D;else G=(D>>>0)%(y>>>0)|0;if((G|0)!=(A|0)){B=A;x=52;break a}}D=b[v+8+11>>0]|0;if(!((D<<24>>24<0?f[v+12>>2]|0:D&255)|0))break a;v=f[v>>2]|0;if(!v){B=A;x=52;break a}}}else H=m;while(1){v=f[H+4>>2]|0;if((v|0)!=(z|0)){if(v>>>0>>0)I=v;else I=(v>>>0)%(y>>>0)|0;if((I|0)!=(A|0)){B=A;x=52;break a}}v=H+8|0;r=b[v+11>>0]|0;D=r<<24>>24<0;s=r&255;do if(((D?f[H+12>>2]|0:s)|0)==(o|0)){r=f[v>>2]|0;if(D)if(!(Pk(r,c,o)|0))break a;else break;if((b[c>>0]|0)==(r&255)<<24>>24){r=v;d=s;F=c;do{d=d+-1|0;r=r+1|0;if(!d)break a;F=F+1|0}while((b[r>>0]|0)==(b[F>>0]|0))}}while(0);H=f[H>>2]|0;if(!H){B=A;x=52;break}}}else{B=A;x=52}}else{B=0;x=52}while(0);if((x|0)==52){_h(g,a,z,i);x=a+12|0;J=$(((f[x>>2]|0)+1|0)>>>0);K=$(y>>>0);L=$(n[a+16>>2]);do if(w|$(L*K)>>0<3|(y+-1&y|0)!=0)&1;H=~~$(W($(J/L)))>>>0;Ph(a,A>>>0>>0?H:A);A=f[t>>2]|0;H=A+-1|0;if(!(H&A)){M=A;N=H&z;break}if(z>>>0>>0){M=A;N=z}else{M=A;N=(z>>>0)%(A>>>0)|0}}else{M=y;N=B}while(0);B=f[(f[a>>2]|0)+(N<<2)>>2]|0;if(!B){y=a+8|0;f[f[g>>2]>>2]=f[y>>2];f[y>>2]=f[g>>2];f[(f[a>>2]|0)+(N<<2)>>2]=y;y=f[g>>2]|0;N=f[y>>2]|0;if(!N)O=g;else{z=f[N+4>>2]|0;N=M+-1|0;if(N&M)if(z>>>0>>0)P=z;else P=(z>>>0)%(M>>>0)|0;else P=z&N;f[(f[a>>2]|0)+(P<<2)>>2]=y;O=g}}else{f[f[g>>2]>>2]=f[B>>2];f[B>>2]=f[g>>2];O=g}f[x>>2]=(f[x>>2]|0)+1;f[O>>2]=0}O=f[i+12>>2]|0;if(O|0){if((f[l>>2]|0)!=(O|0))f[l>>2]=O;br(O)}if((b[p>>0]|0)<0)br(f[i>>2]|0);i=f[j>>2]|0;if(!i){u=e;return}if((f[k>>2]|0)!=(i|0))f[k>>2]=i;br(i);u=e;return}function $b(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0;e=u;u=u+96|0;g=e+92|0;h=e+88|0;i=e+72|0;j=e+48|0;k=e+24|0;l=e;m=a+16|0;n=f[m>>2]|0;o=f[c>>2]|0;f[i>>2]=n;f[i+4>>2]=o;c=i+8|0;f[c>>2]=o;b[i+12>>0]=1;p=(o|0)==-1;if(p)q=-1;else q=f[(f[n>>2]|0)+(o<<2)>>2]|0;n=a+20|0;r=f[n>>2]|0;s=f[r>>2]|0;if((f[r+4>>2]|0)-s>>2>>>0<=q>>>0)mq(r);r=a+8|0;t=f[(f[r>>2]|0)+(f[s+(q<<2)>>2]<<2)>>2]|0;q=a+4|0;s=f[q>>2]|0;if(!(b[s+84>>0]|0))v=f[(f[s+68>>2]|0)+(t<<2)>>2]|0;else v=t;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;f[j+16>>2]=0;f[j+20>>2]=0;f[h>>2]=v;v=b[s+24>>0]|0;f[g>>2]=f[h>>2];ub(s,g,v,j)|0;v=a+28|0;a=(f[v>>2]|0)==0;a:do if(!p){s=k+8|0;t=j+8|0;w=k+16|0;x=j+16|0;y=l+8|0;z=l+16|0;A=o;B=o;C=0;D=0;E=0;F=0;G=0;H=0;J=a;K=o;while(1){do if(J){L=K+1|0;if((K|0)==-1){M=A;N=-1;O=-1;P=-1;break}Q=((L>>>0)%3|0|0)==0?K+-2|0:L;if((A|0)!=-1)if(!((A>>>0)%3|0)){R=A;S=A+2|0;T=Q;U=A;V=19;break}else{R=A;S=A+-1|0;T=Q;U=A;V=19;break}else{R=-1;S=-1;T=Q;U=-1;V=19}}else{Q=B+1|0;L=((Q>>>0)%3|0|0)==0?B+-2|0:Q;if(!((B>>>0)%3|0)){R=A;S=B+2|0;T=L;U=K;V=19;break}else{R=A;S=B+-1|0;T=L;U=K;V=19;break}}while(0);if((V|0)==19){V=0;if((T|0)==-1){M=R;N=-1;O=S;P=U}else{M=R;N=f[(f[f[m>>2]>>2]|0)+(T<<2)>>2]|0;O=S;P=U}}W=f[n>>2]|0;L=f[W>>2]|0;if((f[W+4>>2]|0)-L>>2>>>0<=N>>>0){V=22;break}Q=f[(f[r>>2]|0)+(f[L+(N<<2)>>2]<<2)>>2]|0;L=f[q>>2]|0;if(!(b[L+84>>0]|0))X=f[(f[L+68>>2]|0)+(Q<<2)>>2]|0;else X=Q;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;f[h>>2]=X;Q=b[L+24>>0]|0;f[g>>2]=f[h>>2];ub(L,g,Q,k)|0;if((O|0)==-1)Y=-1;else Y=f[(f[f[m>>2]>>2]|0)+(O<<2)>>2]|0;Z=f[n>>2]|0;Q=f[Z>>2]|0;if((f[Z+4>>2]|0)-Q>>2>>>0<=Y>>>0){V=28;break}L=f[(f[r>>2]|0)+(f[Q+(Y<<2)>>2]<<2)>>2]|0;Q=f[q>>2]|0;if(!(b[Q+84>>0]|0))_=f[(f[Q+68>>2]|0)+(L<<2)>>2]|0;else _=L;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;f[l+12>>2]=0;f[l+16>>2]=0;f[l+20>>2]=0;f[h>>2]=_;L=b[Q+24>>0]|0;f[g>>2]=f[h>>2];ub(Q,g,L,l)|0;L=k;Q=j;$=f[Q>>2]|0;aa=f[Q+4>>2]|0;Q=Vn(f[L>>2]|0,f[L+4>>2]|0,$|0,aa|0)|0;L=I;ba=s;ca=t;da=f[ca>>2]|0;ea=f[ca+4>>2]|0;ca=Vn(f[ba>>2]|0,f[ba+4>>2]|0,da|0,ea|0)|0;ba=I;fa=w;ga=x;ha=f[ga>>2]|0;ia=f[ga+4>>2]|0;ga=Vn(f[fa>>2]|0,f[fa+4>>2]|0,ha|0,ia|0)|0;fa=I;ja=l;ka=Vn(f[ja>>2]|0,f[ja+4>>2]|0,$|0,aa|0)|0;aa=I;$=y;ja=Vn(f[$>>2]|0,f[$+4>>2]|0,da|0,ea|0)|0;ea=I;da=z;$=Vn(f[da>>2]|0,f[da+4>>2]|0,ha|0,ia|0)|0;ia=I;ha=on($|0,ia|0,ca|0,ba|0)|0;da=I;la=on(ja|0,ea|0,ga|0,fa|0)|0;ma=I;na=on(ka|0,aa|0,ga|0,fa|0)|0;fa=I;ga=on($|0,ia|0,Q|0,L|0)|0;ia=I;$=on(ja|0,ea|0,Q|0,L|0)|0;L=I;Q=on(ka|0,aa|0,ca|0,ba|0)|0;ba=I;ca=Vn(C|0,D|0,la|0,ma|0)|0;ma=Tn(ca|0,I|0,ha|0,da|0)|0;da=I;ha=Tn(na|0,fa|0,E|0,F|0)|0;fa=Vn(ha|0,I|0,ga|0,ia|0)|0;ia=I;ga=Vn(G|0,H|0,Q|0,ba|0)|0;ba=Tn(ga|0,I|0,$|0,L|0)|0;L=I;ph(i);B=f[c>>2]|0;$=(f[v>>2]|0)==0;if((B|0)==-1){oa=$;pa=da;qa=ma;ra=ia;sa=fa;ta=L;ua=ba;break a}else{A=M;C=ma;D=da;E=fa;F=ia;G=ba;H=L;J=$;K=P}}if((V|0)==22)mq(W);else if((V|0)==28)mq(Z)}else{oa=a;pa=0;qa=0;ra=0;sa=0;ta=0;ua=0}while(0);a=(pa|0)>-1|(pa|0)==-1&qa>>>0>4294967295;Z=Vn(0,0,qa|0,pa|0)|0;V=a?pa:I;W=(ra|0)>-1|(ra|0)==-1&sa>>>0>4294967295;P=Vn(0,0,sa|0,ra|0)|0;M=W?ra:I;v=(ta|0)>-1|(ta|0)==-1&ua>>>0>4294967295;c=Vn(0,0,ua|0,ta|0)|0;i=Tn((W?sa:P)|0,M|0,(v?ua:c)|0,(v?ta:I)|0)|0;v=Tn(i|0,I|0,(a?qa:Z)|0,V|0)|0;V=I;if(oa){if((v|0)<=536870912){va=qa;wa=sa;xa=ua;f[d>>2]=va;ya=d+4|0;f[ya>>2]=wa;za=d+8|0;f[za>>2]=xa;u=e;return}oa=Wn(v|0,V|0,29)|0;Z=oa&7;oa=zk(qa|0,pa|0,Z|0,0)|0;a=zk(sa|0,ra|0,Z|0,0)|0;i=zk(ua|0,ta|0,Z|0,0)|0;va=oa;wa=a;xa=i;f[d>>2]=va;ya=d+4|0;f[ya>>2]=wa;za=d+8|0;f[za>>2]=xa;u=e;return}else{if(!((V|0)>0|(V|0)==0&v>>>0>536870912)){va=qa;wa=sa;xa=ua;f[d>>2]=va;ya=d+4|0;f[ya>>2]=wa;za=d+8|0;f[za>>2]=xa;u=e;return}i=Wn(v|0,V|0,29)|0;V=I;v=zk(qa|0,pa|0,i|0,V|0)|0;pa=zk(sa|0,ra|0,i|0,V|0)|0;ra=zk(ua|0,ta|0,i|0,V|0)|0;va=v;wa=pa;xa=ra;f[d>>2]=va;ya=d+4|0;f[ya>>2]=wa;za=d+8|0;f[za>>2]=xa;u=e;return}}function ac(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=Oa,M=Oa,N=Oa,O=0,P=0,Q=0,R=0;e=u;u=u+64|0;g=e+40|0;i=e+16|0;j=e;k=xd(a,c)|0;if(k|0){f[i>>2]=k;f[g>>2]=f[i>>2];Xe(a,g)|0}f[j>>2]=0;k=j+4|0;f[k>>2]=0;f[j+8>>2]=0;l=d+11|0;m=b[l>>0]|0;o=d+4|0;p=f[o>>2]|0;q=m<<24>>24<0?p:m&255;if(!q){r=m;s=p;t=0}else{ri(j,q);r=b[l>>0]|0;s=f[o>>2]|0;t=f[j>>2]|0}o=r<<24>>24<0;Rg(t|0,(o?f[d>>2]|0:d)|0,(o?s:r&255)|0)|0;dj(i,c);c=i+12|0;f[c>>2]=0;r=i+16|0;f[r>>2]=0;f[i+20>>2]=0;s=f[k>>2]|0;o=f[j>>2]|0;d=s-o|0;if(!d){v=o;w=s;x=0}else{ri(c,d);v=f[j>>2]|0;w=f[k>>2]|0;x=f[c>>2]|0}Rg(x|0,v|0,w-v|0)|0;v=i+11|0;w=b[v>>0]|0;x=w<<24>>24<0;c=x?f[i>>2]|0:i;d=x?f[i+4>>2]|0:w&255;if(d>>>0>3){w=c;x=d;s=d;while(1){o=X(h[w>>0]|h[w+1>>0]<<8|h[w+2>>0]<<16|h[w+3>>0]<<24,1540483477)|0;x=(X(o>>>24^o,1540483477)|0)^(X(x,1540483477)|0);s=s+-4|0;if(s>>>0<=3)break;else w=w+4|0}w=d+-4|0;s=w&-4;y=w-s|0;z=c+(s+4)|0;A=x}else{y=d;z=c;A=d}switch(y|0){case 3:{B=h[z+2>>0]<<16^A;C=12;break}case 2:{B=A;C=12;break}case 1:{D=A;C=13;break}default:E=A}if((C|0)==12){D=h[z+1>>0]<<8^B;C=13}if((C|0)==13)E=X(D^h[z>>0],1540483477)|0;z=X(E>>>13^E,1540483477)|0;E=z>>>15^z;z=a+4|0;D=f[z>>2]|0;B=(D|0)==0;a:do if(!B){A=D+-1|0;y=(A&D|0)==0;if(!y)if(E>>>0>>0)F=E;else F=(E>>>0)%(D>>>0)|0;else F=E&A;x=f[(f[a>>2]|0)+(F<<2)>>2]|0;if((x|0)!=0?(s=f[x>>2]|0,(s|0)!=0):0){x=(d|0)==0;if(y){if(x){y=s;while(1){w=f[y+4>>2]|0;if(!((w|0)==(E|0)|(w&A|0)==(F|0))){G=F;C=54;break a}w=b[y+8+11>>0]|0;if(!((w<<24>>24<0?f[y+12>>2]|0:w&255)|0))break a;y=f[y>>2]|0;if(!y){G=F;C=54;break a}}}else H=s;while(1){y=f[H+4>>2]|0;if(!((y|0)==(E|0)|(y&A|0)==(F|0))){G=F;C=54;break a}y=H+8|0;w=b[y+11>>0]|0;o=w<<24>>24<0;t=w&255;do if(((o?f[H+12>>2]|0:t)|0)==(d|0)){w=f[y>>2]|0;if(o)if(!(Pk(w,c,d)|0))break a;else break;if((b[c>>0]|0)==(w&255)<<24>>24){w=y;l=t;q=c;do{l=l+-1|0;w=w+1|0;if(!l)break a;q=q+1|0}while((b[w>>0]|0)==(b[q>>0]|0))}}while(0);H=f[H>>2]|0;if(!H){G=F;C=54;break a}}}if(x){A=s;while(1){t=f[A+4>>2]|0;if((t|0)!=(E|0)){if(t>>>0>>0)I=t;else I=(t>>>0)%(D>>>0)|0;if((I|0)!=(F|0)){G=F;C=54;break a}}t=b[A+8+11>>0]|0;if(!((t<<24>>24<0?f[A+12>>2]|0:t&255)|0))break a;A=f[A>>2]|0;if(!A){G=F;C=54;break a}}}else J=s;while(1){A=f[J+4>>2]|0;if((A|0)!=(E|0)){if(A>>>0>>0)K=A;else K=(A>>>0)%(D>>>0)|0;if((K|0)!=(F|0)){G=F;C=54;break a}}A=J+8|0;x=b[A+11>>0]|0;t=x<<24>>24<0;y=x&255;do if(((t?f[J+12>>2]|0:y)|0)==(d|0)){x=f[A>>2]|0;if(t)if(!(Pk(x,c,d)|0))break a;else break;if((b[c>>0]|0)==(x&255)<<24>>24){x=A;o=y;q=c;do{o=o+-1|0;x=x+1|0;if(!o)break a;q=q+1|0}while((b[x>>0]|0)==(b[q>>0]|0))}}while(0);J=f[J>>2]|0;if(!J){G=F;C=54;break}}}else{G=F;C=54}}else{G=0;C=54}while(0);if((C|0)==54){_h(g,a,E,i);C=a+12|0;L=$(((f[C>>2]|0)+1|0)>>>0);M=$(D>>>0);N=$(n[a+16>>2]);do if(B|$(N*M)>>0<3|(D+-1&D|0)!=0)&1;J=~~$(W($(L/N)))>>>0;Ph(a,F>>>0>>0?J:F);F=f[z>>2]|0;J=F+-1|0;if(!(J&F)){O=F;P=J&E;break}if(E>>>0>>0){O=F;P=E}else{O=F;P=(E>>>0)%(F>>>0)|0}}else{O=D;P=G}while(0);G=f[(f[a>>2]|0)+(P<<2)>>2]|0;if(!G){D=a+8|0;f[f[g>>2]>>2]=f[D>>2];f[D>>2]=f[g>>2];f[(f[a>>2]|0)+(P<<2)>>2]=D;D=f[g>>2]|0;P=f[D>>2]|0;if(!P)Q=g;else{E=f[P+4>>2]|0;P=O+-1|0;if(P&O)if(E>>>0>>0)R=E;else R=(E>>>0)%(O>>>0)|0;else R=E&P;f[(f[a>>2]|0)+(R<<2)>>2]=D;Q=g}}else{f[f[g>>2]>>2]=f[G>>2];f[G>>2]=f[g>>2];Q=g}f[C>>2]=(f[C>>2]|0)+1;f[Q>>2]=0}Q=f[i+12>>2]|0;if(Q|0){if((f[r>>2]|0)!=(Q|0))f[r>>2]=Q;br(Q)}if((b[v>>0]|0)<0)br(f[i>>2]|0);i=f[j>>2]|0;if(!i){u=e;return}if((f[k>>2]|0)!=(i|0))f[k>>2]=i;br(i);u=e;return}function bc(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=Oa,fa=Oa,ga=Oa,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0;g=u;u=u+48|0;i=g+12|0;j=g+32|0;k=g;l=i+16|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)mq(k);q=o<<2;r=dn(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;hj(r|0,0,q|0)|0;f[p>>2]=s;s=c+48|0;q=c+40|0;o=i+4|0;t=i+12|0;v=i+8|0;w=a+40|0;x=a+64|0;y=f[e>>2]|0;e=0;z=r;A=0;B=0;C=r;D=r;E=r;while(1){r=s;F=f[r>>2]|0;G=f[r+4>>2]|0;r=q;H=on(f[r>>2]|0,f[r+4>>2]|0,y+A|0,0)|0;r=Tn(H|0,I|0,F|0,G|0)|0;G=(f[f[c>>2]>>2]|0)+r|0;r=h[G>>0]|h[G+1>>0]<<8;d[j>>1]=r;G=(r^318)&65535;a:do if(e){F=e+-1|0;H=(F&e|0)==0;if(!H)if(e>>>0>G>>>0)J=G;else J=(G>>>0)%(e>>>0)|0;else J=F&G;K=f[i>>2]|0;L=f[K+(J<<2)>>2]|0;b:do if(L|0?(M=f[L>>2]|0,M|0):0){c:do if(H){N=M;while(1){O=f[N+4>>2]|0;P=(O|0)==(G|0);if(!(P|(O&F|0)==(J|0)))break b;if(P?(d[N+8>>1]|0)==r<<16>>16:0){Q=N;break c}N=f[N>>2]|0;if(!N)break b}}else{N=M;while(1){P=f[N+4>>2]|0;if((P|0)==(G|0)){if((d[N+8>>1]|0)==r<<16>>16){Q=N;break c}}else{if(P>>>0>>0)R=P;else R=(P>>>0)%(e>>>0)|0;if((R|0)!=(J|0))break b}N=f[N>>2]|0;if(!N)break b}}while(0);f[E+(A<<2)>>2]=f[Q+12>>2];S=z;T=B;U=D;V=C;X=E;break a}while(0);if(!H)if(e>>>0>G>>>0)Y=G;else Y=(G>>>0)%(e>>>0)|0;else Y=F&G;L=f[K+(Y<<2)>>2]|0;if(!L){Z=Y;_=e;aa=0;ba=40}else{if(H){M=L;while(1){M=f[M>>2]|0;if(!M){Z=Y;_=e;aa=0;ba=40;break a}N=f[M+4>>2]|0;if(!((N|0)==(G|0)|(N&F|0)==(Y|0))){Z=Y;_=e;aa=0;ba=40;break a}if((d[M+8>>1]|0)==r<<16>>16){ba=55;break a}}}else ca=L;while(1){ca=f[ca>>2]|0;if(!ca){Z=Y;_=e;aa=0;ba=40;break a}M=f[ca+4>>2]|0;if((M|0)!=(G|0)){if(M>>>0>>0)da=M;else da=(M>>>0)%(e>>>0)|0;if((da|0)!=(Y|0)){Z=Y;_=e;aa=0;ba=40;break a}}if((d[ca+8>>1]|0)==r<<16>>16){ba=55;break}}}}else{Z=0;_=0;aa=1;ba=40}while(0);if((ba|0)==40){ba=0;L=dn(16)|0;d[L+8>>1]=r;f[L+12>>2]=B;f[L+4>>2]=G;f[L>>2]=0;ea=$(((f[t>>2]|0)+1|0)>>>0);fa=$(_>>>0);ga=$(n[l>>2]);do if(aa|$(ga*fa)>>0<3|(_+-1&_|0)!=0)&1;F=~~$(W($(ea/ga)))>>>0;Fh(i,M>>>0>>0?F:M);M=f[o>>2]|0;F=M+-1|0;if(!(F&M)){ha=M;ia=F&G;break}if(M>>>0>G>>>0){ha=M;ia=G}else{ha=M;ia=(G>>>0)%(M>>>0)|0}}else{ha=_;ia=Z}while(0);G=(f[i>>2]|0)+(ia<<2)|0;r=f[G>>2]|0;if(!r){f[L>>2]=f[v>>2];f[v>>2]=L;f[G>>2]=v;G=f[L>>2]|0;if(G|0){M=f[G+4>>2]|0;G=ha+-1|0;if(G&ha)if(M>>>0>>0)ja=M;else ja=(M>>>0)%(ha>>>0)|0;else ja=M&G;ka=(f[i>>2]|0)+(ja<<2)|0;ba=53}}else{f[L>>2]=f[r>>2];ka=r;ba=53}if((ba|0)==53){ba=0;f[ka>>2]=L}f[t>>2]=(f[t>>2]|0)+1;ba=55}if((ba|0)==55){ba=0;r=w;G=f[r>>2]|0;M=on(G|0,f[r+4>>2]|0,B|0,0)|0;Rg((f[f[x>>2]>>2]|0)+M|0,j|0,G|0)|0;G=f[k>>2]|0;f[G+(A<<2)>>2]=B;S=G;T=B+1|0;U=G;V=G;X=G}G=A+1|0;la=f[m>>2]|0;if(G>>>0>=la>>>0)break;e=f[o>>2]|0;z=S;A=G;B=T;C=V;D=U;E=X}if((T|0)==(la|0))ma=V;else{V=a+84|0;if(!(b[V>>0]|0)){X=f[a+72>>2]|0;E=f[a+68>>2]|0;D=E;if((X|0)==(E|0))na=S;else{C=X-E>>2;E=0;do{X=D+(E<<2)|0;f[X>>2]=f[U+(f[X>>2]<<2)>>2];E=E+1|0}while(E>>>0>>0);na=S}}else{b[V>>0]=0;V=a+68|0;S=a+72|0;C=f[S>>2]|0;E=f[V>>2]|0;U=C-E>>2;D=E;E=C;if(la>>>0<=U>>>0)if(la>>>0>>0?(C=D+(la<<2)|0,(C|0)!=(E|0)):0){f[S>>2]=E+(~((E+-4-C|0)>>>2)<<2);oa=la}else oa=la;else{kh(V,la-U|0,1204);oa=f[m>>2]|0}U=f[k>>2]|0;if(!oa)na=U;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[U+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);na=U}}f[m>>2]=T;ma=na}if(!ma)pa=T;else{na=f[p>>2]|0;if((na|0)!=(ma|0))f[p>>2]=na+(~((na+-4-ma|0)>>>2)<<2);br(ma);pa=T}}else pa=0;T=f[i+8>>2]|0;if(T|0){ma=T;do{T=ma;ma=f[ma>>2]|0;br(T)}while((ma|0)!=0)}ma=f[i>>2]|0;f[i>>2]=0;if(!ma){u=g;return pa|0}br(ma);u=g;return pa|0}function cc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=Oa,K=Oa,L=Oa,M=0,N=0,O=0,P=0;e=u;u=u+64|0;g=e+40|0;i=e+16|0;j=e;k=xd(a,c)|0;if(k|0){f[i>>2]=k;f[g>>2]=f[i>>2];Xe(a,g)|0}f[j>>2]=0;k=j+4|0;f[k>>2]=0;f[j+8>>2]=0;ri(j,4);l=f[j>>2]|0;m=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;b[l>>0]=m;b[l+1>>0]=m>>8;b[l+2>>0]=m>>16;b[l+3>>0]=m>>24;dj(i,c);c=i+12|0;f[c>>2]=0;m=i+16|0;f[m>>2]=0;f[i+20>>2]=0;l=f[k>>2]|0;d=f[j>>2]|0;o=l-d|0;if(!o){p=d;q=l;r=0}else{ri(c,o);p=f[j>>2]|0;q=f[k>>2]|0;r=f[c>>2]|0}Rg(r|0,p|0,q-p|0)|0;p=i+11|0;q=b[p>>0]|0;r=q<<24>>24<0;c=r?f[i>>2]|0:i;o=r?f[i+4>>2]|0:q&255;if(o>>>0>3){q=c;r=o;l=o;while(1){d=X(h[q>>0]|h[q+1>>0]<<8|h[q+2>>0]<<16|h[q+3>>0]<<24,1540483477)|0;r=(X(d>>>24^d,1540483477)|0)^(X(r,1540483477)|0);l=l+-4|0;if(l>>>0<=3)break;else q=q+4|0}q=o+-4|0;l=q&-4;s=q-l|0;t=c+(l+4)|0;v=r}else{s=o;t=c;v=o}switch(s|0){case 3:{w=h[t+2>>0]<<16^v;x=10;break}case 2:{w=v;x=10;break}case 1:{y=v;x=11;break}default:z=v}if((x|0)==10){y=h[t+1>>0]<<8^w;x=11}if((x|0)==11)z=X(y^h[t>>0],1540483477)|0;t=X(z>>>13^z,1540483477)|0;z=t>>>15^t;t=a+4|0;y=f[t>>2]|0;w=(y|0)==0;a:do if(!w){v=y+-1|0;s=(v&y|0)==0;if(!s)if(z>>>0>>0)A=z;else A=(z>>>0)%(y>>>0)|0;else A=z&v;r=f[(f[a>>2]|0)+(A<<2)>>2]|0;if((r|0)!=0?(l=f[r>>2]|0,(l|0)!=0):0){r=(o|0)==0;if(s){if(r){s=l;while(1){q=f[s+4>>2]|0;if(!((q|0)==(z|0)|(q&v|0)==(A|0))){B=A;x=52;break a}q=b[s+8+11>>0]|0;if(!((q<<24>>24<0?f[s+12>>2]|0:q&255)|0))break a;s=f[s>>2]|0;if(!s){B=A;x=52;break a}}}else C=l;while(1){s=f[C+4>>2]|0;if(!((s|0)==(z|0)|(s&v|0)==(A|0))){B=A;x=52;break a}s=C+8|0;q=b[s+11>>0]|0;d=q<<24>>24<0;D=q&255;do if(((d?f[C+12>>2]|0:D)|0)==(o|0)){q=f[s>>2]|0;if(d)if(!(Pk(q,c,o)|0))break a;else break;if((b[c>>0]|0)==(q&255)<<24>>24){q=s;E=D;F=c;do{E=E+-1|0;q=q+1|0;if(!E)break a;F=F+1|0}while((b[q>>0]|0)==(b[F>>0]|0))}}while(0);C=f[C>>2]|0;if(!C){B=A;x=52;break a}}}if(r){v=l;while(1){D=f[v+4>>2]|0;if((D|0)!=(z|0)){if(D>>>0>>0)G=D;else G=(D>>>0)%(y>>>0)|0;if((G|0)!=(A|0)){B=A;x=52;break a}}D=b[v+8+11>>0]|0;if(!((D<<24>>24<0?f[v+12>>2]|0:D&255)|0))break a;v=f[v>>2]|0;if(!v){B=A;x=52;break a}}}else H=l;while(1){v=f[H+4>>2]|0;if((v|0)!=(z|0)){if(v>>>0>>0)I=v;else I=(v>>>0)%(y>>>0)|0;if((I|0)!=(A|0)){B=A;x=52;break a}}v=H+8|0;r=b[v+11>>0]|0;D=r<<24>>24<0;s=r&255;do if(((D?f[H+12>>2]|0:s)|0)==(o|0)){r=f[v>>2]|0;if(D)if(!(Pk(r,c,o)|0))break a;else break;if((b[c>>0]|0)==(r&255)<<24>>24){r=v;d=s;F=c;do{d=d+-1|0;r=r+1|0;if(!d)break a;F=F+1|0}while((b[r>>0]|0)==(b[F>>0]|0))}}while(0);H=f[H>>2]|0;if(!H){B=A;x=52;break}}}else{B=A;x=52}}else{B=0;x=52}while(0);if((x|0)==52){_h(g,a,z,i);x=a+12|0;J=$(((f[x>>2]|0)+1|0)>>>0);K=$(y>>>0);L=$(n[a+16>>2]);do if(w|$(L*K)>>0<3|(y+-1&y|0)!=0)&1;H=~~$(W($(J/L)))>>>0;Ph(a,A>>>0>>0?H:A);A=f[t>>2]|0;H=A+-1|0;if(!(H&A)){M=A;N=H&z;break}if(z>>>0>>0){M=A;N=z}else{M=A;N=(z>>>0)%(A>>>0)|0}}else{M=y;N=B}while(0);B=f[(f[a>>2]|0)+(N<<2)>>2]|0;if(!B){y=a+8|0;f[f[g>>2]>>2]=f[y>>2];f[y>>2]=f[g>>2];f[(f[a>>2]|0)+(N<<2)>>2]=y;y=f[g>>2]|0;N=f[y>>2]|0;if(!N)O=g;else{z=f[N+4>>2]|0;N=M+-1|0;if(N&M)if(z>>>0>>0)P=z;else P=(z>>>0)%(M>>>0)|0;else P=z&N;f[(f[a>>2]|0)+(P<<2)>>2]=y;O=g}}else{f[f[g>>2]>>2]=f[B>>2];f[B>>2]=f[g>>2];O=g}f[x>>2]=(f[x>>2]|0)+1;f[O>>2]=0}O=f[i+12>>2]|0;if(O|0){if((f[m>>2]|0)!=(O|0))f[m>>2]=O;br(O)}if((b[p>>0]|0)<0)br(f[i>>2]|0);i=f[j>>2]|0;if(!i){u=e;return}if((f[k>>2]|0)!=(i|0))f[k>>2]=i;br(i);u=e;return}function dc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=Oa,da=Oa,ea=Oa,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0;e=u;u=u+48|0;g=e+12|0;h=e+32|0;i=e;j=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[j>>2]=$(1.0);k=a+80|0;l=f[k>>2]|0;f[i>>2]=0;m=i+4|0;f[m>>2]=0;f[i+8>>2]=0;if(l){if(l>>>0>1073741823)mq(i);o=l<<2;p=dn(o)|0;f[i>>2]=p;q=p+(l<<2)|0;f[i+8>>2]=q;hj(p|0,0,o|0)|0;f[m>>2]=q;q=c+48|0;o=c+40|0;l=g+4|0;r=g+12|0;s=g+8|0;t=a+40|0;v=a+64|0;w=f[d>>2]|0;d=0;x=p;y=0;z=0;A=p;B=p;C=p;while(1){p=q;D=f[p>>2]|0;E=f[p+4>>2]|0;p=o;F=on(f[p>>2]|0,f[p+4>>2]|0,w+y|0,0)|0;p=Tn(F|0,I|0,D|0,E|0)|0;E=b[(f[f[c>>2]>>2]|0)+p>>0]|0;b[h>>0]=E;p=E&255^318;a:do if(d){D=d+-1|0;F=(D&d|0)==0;if(!F)if(p>>>0>>0)G=p;else G=(p>>>0)%(d>>>0)|0;else G=D&p;H=f[g>>2]|0;J=f[H+(G<<2)>>2]|0;b:do if(J|0?(K=f[J>>2]|0,K|0):0){c:do if(F){L=K;while(1){M=f[L+4>>2]|0;N=(M|0)==(p|0);if(!(N|(M&D|0)==(G|0)))break b;if(N?(b[L+8>>0]|0)==E<<24>>24:0){O=L;break c}L=f[L>>2]|0;if(!L)break b}}else{L=K;while(1){N=f[L+4>>2]|0;if((N|0)==(p|0)){if((b[L+8>>0]|0)==E<<24>>24){O=L;break c}}else{if(N>>>0>>0)P=N;else P=(N>>>0)%(d>>>0)|0;if((P|0)!=(G|0))break b}L=f[L>>2]|0;if(!L)break b}}while(0);f[C+(y<<2)>>2]=f[O+12>>2];Q=x;R=z;S=B;T=A;U=C;break a}while(0);if(!F)if(p>>>0>>0)V=p;else V=(p>>>0)%(d>>>0)|0;else V=D&p;J=f[H+(V<<2)>>2]|0;if(!J){X=V;Y=d;Z=0;_=40}else{if(F){K=J;while(1){K=f[K>>2]|0;if(!K){X=V;Y=d;Z=0;_=40;break a}L=f[K+4>>2]|0;if(!((L|0)==(p|0)|(L&D|0)==(V|0))){X=V;Y=d;Z=0;_=40;break a}if((b[K+8>>0]|0)==E<<24>>24){_=55;break a}}}else aa=J;while(1){aa=f[aa>>2]|0;if(!aa){X=V;Y=d;Z=0;_=40;break a}K=f[aa+4>>2]|0;if((K|0)!=(p|0)){if(K>>>0>>0)ba=K;else ba=(K>>>0)%(d>>>0)|0;if((ba|0)!=(V|0)){X=V;Y=d;Z=0;_=40;break a}}if((b[aa+8>>0]|0)==E<<24>>24){_=55;break}}}}else{X=0;Y=0;Z=1;_=40}while(0);if((_|0)==40){_=0;J=dn(16)|0;b[J+8>>0]=E;f[J+12>>2]=z;f[J+4>>2]=p;f[J>>2]=0;ca=$(((f[r>>2]|0)+1|0)>>>0);da=$(Y>>>0);ea=$(n[j>>2]);do if(Z|$(ea*da)>>0<3|(Y+-1&Y|0)!=0)&1;D=~~$(W($(ca/ea)))>>>0;Mh(g,K>>>0>>0?D:K);K=f[l>>2]|0;D=K+-1|0;if(!(D&K)){fa=K;ga=D&p;break}if(p>>>0>>0){fa=K;ga=p}else{fa=K;ga=(p>>>0)%(K>>>0)|0}}else{fa=Y;ga=X}while(0);p=(f[g>>2]|0)+(ga<<2)|0;E=f[p>>2]|0;if(!E){f[J>>2]=f[s>>2];f[s>>2]=J;f[p>>2]=s;p=f[J>>2]|0;if(p|0){K=f[p+4>>2]|0;p=fa+-1|0;if(p&fa)if(K>>>0>>0)ha=K;else ha=(K>>>0)%(fa>>>0)|0;else ha=K&p;ia=(f[g>>2]|0)+(ha<<2)|0;_=53}}else{f[J>>2]=f[E>>2];ia=E;_=53}if((_|0)==53){_=0;f[ia>>2]=J}f[r>>2]=(f[r>>2]|0)+1;_=55}if((_|0)==55){_=0;E=t;p=f[E>>2]|0;K=on(p|0,f[E+4>>2]|0,z|0,0)|0;Rg((f[f[v>>2]>>2]|0)+K|0,h|0,p|0)|0;p=f[i>>2]|0;f[p+(y<<2)>>2]=z;Q=p;R=z+1|0;S=p;T=p;U=p}p=y+1|0;ja=f[k>>2]|0;if(p>>>0>=ja>>>0)break;d=f[l>>2]|0;x=Q;y=p;z=R;A=T;B=S;C=U}if((R|0)==(ja|0))ka=T;else{T=a+84|0;if(!(b[T>>0]|0)){U=f[a+72>>2]|0;C=f[a+68>>2]|0;B=C;if((U|0)==(C|0))la=Q;else{A=U-C>>2;C=0;do{U=B+(C<<2)|0;f[U>>2]=f[S+(f[U>>2]<<2)>>2];C=C+1|0}while(C>>>0>>0);la=Q}}else{b[T>>0]=0;T=a+68|0;Q=a+72|0;A=f[Q>>2]|0;C=f[T>>2]|0;S=A-C>>2;B=C;C=A;if(ja>>>0<=S>>>0)if(ja>>>0>>0?(A=B+(ja<<2)|0,(A|0)!=(C|0)):0){f[Q>>2]=C+(~((C+-4-A|0)>>>2)<<2);ma=ja}else ma=ja;else{kh(T,ja-S|0,1204);ma=f[k>>2]|0}S=f[i>>2]|0;if(!ma)la=S;else{i=f[a+68>>2]|0;a=0;do{f[i+(a<<2)>>2]=f[S+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);la=S}}f[k>>2]=R;ka=la}if(!ka)na=R;else{la=f[m>>2]|0;if((la|0)!=(ka|0))f[m>>2]=la+(~((la+-4-ka|0)>>>2)<<2);br(ka);na=R}}else na=0;R=f[g+8>>2]|0;if(R|0){ka=R;do{R=ka;ka=f[ka>>2]|0;br(R)}while((ka|0)!=0)}ka=f[g>>2]|0;f[g>>2]=0;if(!ka){u=e;return na|0}br(ka);u=e;return na|0}function ec(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=Oa,ea=Oa,fa=Oa,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0;e=u;u=u+48|0;g=e+16|0;i=e+12|0;j=e;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)mq(j);p=m<<2;q=dn(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;hj(q|0,0,p|0)|0;f[o>>2]=r;r=c+48|0;p=c+40|0;m=g+4|0;s=g+12|0;t=g+8|0;v=a+40|0;w=a+64|0;x=f[d>>2]|0;d=0;y=q;z=0;A=0;B=q;C=q;D=q;while(1){q=r;E=f[q>>2]|0;F=f[q+4>>2]|0;q=p;G=on(f[q>>2]|0,f[q+4>>2]|0,x+z|0,0)|0;q=Tn(G|0,I|0,E|0,F|0)|0;F=(f[f[c>>2]>>2]|0)+q|0;q=h[F>>0]|h[F+1>>0]<<8|h[F+2>>0]<<16|h[F+3>>0]<<24;f[i>>2]=q;F=q^318;a:do if(d){E=d+-1|0;G=(E&d|0)==0;if(!G)if(F>>>0>>0)H=F;else H=(F>>>0)%(d>>>0)|0;else H=E&F;J=f[g>>2]|0;K=f[J+(H<<2)>>2]|0;b:do if(K|0?(L=f[K>>2]|0,L|0):0){c:do if(G){M=L;while(1){N=f[M+4>>2]|0;O=(N|0)==(F|0);if(!(O|(N&E|0)==(H|0)))break b;if(O?(f[M+8>>2]|0)==(q|0):0){P=M;break c}M=f[M>>2]|0;if(!M)break b}}else{M=L;while(1){O=f[M+4>>2]|0;if((O|0)==(F|0)){if((f[M+8>>2]|0)==(q|0)){P=M;break c}}else{if(O>>>0>>0)Q=O;else Q=(O>>>0)%(d>>>0)|0;if((Q|0)!=(H|0))break b}M=f[M>>2]|0;if(!M)break b}}while(0);f[D+(z<<2)>>2]=f[P+12>>2];R=y;S=A;T=C;U=B;V=D;break a}while(0);if(!G)if(F>>>0>>0)X=F;else X=(F>>>0)%(d>>>0)|0;else X=E&F;K=f[J+(X<<2)>>2]|0;if(!K){Y=X;Z=d;_=0;aa=40}else{if(G){L=K;while(1){L=f[L>>2]|0;if(!L){Y=X;Z=d;_=0;aa=40;break a}M=f[L+4>>2]|0;if(!((M|0)==(F|0)|(M&E|0)==(X|0))){Y=X;Z=d;_=0;aa=40;break a}if((f[L+8>>2]|0)==(q|0)){aa=55;break a}}}else ba=K;while(1){ba=f[ba>>2]|0;if(!ba){Y=X;Z=d;_=0;aa=40;break a}L=f[ba+4>>2]|0;if((L|0)!=(F|0)){if(L>>>0>>0)ca=L;else ca=(L>>>0)%(d>>>0)|0;if((ca|0)!=(X|0)){Y=X;Z=d;_=0;aa=40;break a}}if((f[ba+8>>2]|0)==(q|0)){aa=55;break}}}}else{Y=0;Z=0;_=1;aa=40}while(0);if((aa|0)==40){aa=0;K=dn(16)|0;f[K+8>>2]=q;f[K+12>>2]=A;f[K+4>>2]=F;f[K>>2]=0;da=$(((f[s>>2]|0)+1|0)>>>0);ea=$(Z>>>0);fa=$(n[k>>2]);do if(_|$(fa*ea)>>0<3|(Z+-1&Z|0)!=0)&1;E=~~$(W($(da/fa)))>>>0;ti(g,L>>>0>>0?E:L);L=f[m>>2]|0;E=L+-1|0;if(!(E&L)){ga=L;ha=E&F;break}if(F>>>0>>0){ga=L;ha=F}else{ga=L;ha=(F>>>0)%(L>>>0)|0}}else{ga=Z;ha=Y}while(0);F=(f[g>>2]|0)+(ha<<2)|0;q=f[F>>2]|0;if(!q){f[K>>2]=f[t>>2];f[t>>2]=K;f[F>>2]=t;F=f[K>>2]|0;if(F|0){L=f[F+4>>2]|0;F=ga+-1|0;if(F&ga)if(L>>>0>>0)ia=L;else ia=(L>>>0)%(ga>>>0)|0;else ia=L&F;ja=(f[g>>2]|0)+(ia<<2)|0;aa=53}}else{f[K>>2]=f[q>>2];ja=q;aa=53}if((aa|0)==53){aa=0;f[ja>>2]=K}f[s>>2]=(f[s>>2]|0)+1;aa=55}if((aa|0)==55){aa=0;q=v;F=f[q>>2]|0;L=on(F|0,f[q+4>>2]|0,A|0,0)|0;Rg((f[f[w>>2]>>2]|0)+L|0,i|0,F|0)|0;F=f[j>>2]|0;f[F+(z<<2)>>2]=A;R=F;S=A+1|0;T=F;U=F;V=F}F=z+1|0;ka=f[l>>2]|0;if(F>>>0>=ka>>>0)break;d=f[m>>2]|0;y=R;z=F;A=S;B=U;C=T;D=V}if((S|0)==(ka|0))la=U;else{U=a+84|0;if(!(b[U>>0]|0)){V=f[a+72>>2]|0;D=f[a+68>>2]|0;C=D;if((V|0)==(D|0))ma=R;else{B=V-D>>2;D=0;do{V=C+(D<<2)|0;f[V>>2]=f[T+(f[V>>2]<<2)>>2];D=D+1|0}while(D>>>0>>0);ma=R}}else{b[U>>0]=0;U=a+68|0;R=a+72|0;B=f[R>>2]|0;D=f[U>>2]|0;T=B-D>>2;C=D;D=B;if(ka>>>0<=T>>>0)if(ka>>>0>>0?(B=C+(ka<<2)|0,(B|0)!=(D|0)):0){f[R>>2]=D+(~((D+-4-B|0)>>>2)<<2);na=ka}else na=ka;else{kh(U,ka-T|0,1204);na=f[l>>2]|0}T=f[j>>2]|0;if(!na)ma=T;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[T+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);ma=T}}f[l>>2]=S;la=ma}if(!la)oa=S;else{ma=f[o>>2]|0;if((ma|0)!=(la|0))f[o>>2]=ma+(~((ma+-4-la|0)>>>2)<<2);br(la);oa=S}}else oa=0;S=f[g+8>>2]|0;if(S|0){la=S;do{S=la;la=f[la>>2]|0;br(S)}while((la|0)!=0)}la=f[g>>2]|0;f[g>>2]=0;if(!la){u=e;return oa|0}br(la);u=e;return oa|0}function fc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0;e=u;u=u+96|0;g=e+92|0;h=e+88|0;i=e+72|0;j=e+48|0;k=e+24|0;l=e;m=a+16|0;n=f[m>>2]|0;o=f[c>>2]|0;f[i>>2]=n;f[i+4>>2]=o;c=i+8|0;f[c>>2]=o;b[i+12>>0]=1;p=f[(f[n+28>>2]|0)+(o<<2)>>2]|0;n=a+20|0;q=f[n>>2]|0;r=f[q>>2]|0;if((f[q+4>>2]|0)-r>>2>>>0<=p>>>0)mq(q);q=a+8|0;s=f[(f[q>>2]|0)+(f[r+(p<<2)>>2]<<2)>>2]|0;p=a+4|0;r=f[p>>2]|0;if(!(b[r+84>>0]|0))t=f[(f[r+68>>2]|0)+(s<<2)>>2]|0;else t=s;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;f[j+16>>2]=0;f[j+20>>2]=0;f[h>>2]=t;t=b[r+24>>0]|0;f[g>>2]=f[h>>2];ub(r,g,t,j)|0;t=a+28|0;a=(f[t>>2]|0)==0;a:do if((o|0)!=-1){r=k+8|0;s=j+8|0;v=k+16|0;w=j+16|0;x=l+8|0;y=l+16|0;z=o;A=o;B=0;C=0;D=0;E=0;F=0;G=0;H=a;J=o;while(1){do if(H){K=J+1|0;if((J|0)!=-1){L=((K>>>0)%3|0|0)==0?J+-2|0:K;if((z|0)!=-1)if(!((z>>>0)%3|0)){M=z;N=z+2|0;O=L;P=z;break}else{M=z;N=z+-1|0;O=L;P=z;break}else{M=-1;N=-1;O=L;P=-1}}else{M=z;N=-1;O=-1;P=-1}}else{L=A+1|0;K=((L>>>0)%3|0|0)==0?A+-2|0:L;if(!((A>>>0)%3|0)){M=z;N=A+2|0;O=K;P=J;break}else{M=z;N=A+-1|0;O=K;P=J;break}}while(0);K=f[(f[(f[m>>2]|0)+28>>2]|0)+(O<<2)>>2]|0;Q=f[n>>2]|0;L=f[Q>>2]|0;if((f[Q+4>>2]|0)-L>>2>>>0<=K>>>0){R=17;break}S=f[(f[q>>2]|0)+(f[L+(K<<2)>>2]<<2)>>2]|0;K=f[p>>2]|0;if(!(b[K+84>>0]|0))T=f[(f[K+68>>2]|0)+(S<<2)>>2]|0;else T=S;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;f[h>>2]=T;S=b[K+24>>0]|0;f[g>>2]=f[h>>2];ub(K,g,S,k)|0;S=f[(f[(f[m>>2]|0)+28>>2]|0)+(N<<2)>>2]|0;U=f[n>>2]|0;K=f[U>>2]|0;if((f[U+4>>2]|0)-K>>2>>>0<=S>>>0){R=21;break}L=f[(f[q>>2]|0)+(f[K+(S<<2)>>2]<<2)>>2]|0;S=f[p>>2]|0;if(!(b[S+84>>0]|0))V=f[(f[S+68>>2]|0)+(L<<2)>>2]|0;else V=L;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;f[l+12>>2]=0;f[l+16>>2]=0;f[l+20>>2]=0;f[h>>2]=V;L=b[S+24>>0]|0;f[g>>2]=f[h>>2];ub(S,g,L,l)|0;L=k;S=j;K=f[S>>2]|0;W=f[S+4>>2]|0;S=Vn(f[L>>2]|0,f[L+4>>2]|0,K|0,W|0)|0;L=I;X=r;Y=s;Z=f[Y>>2]|0;_=f[Y+4>>2]|0;Y=Vn(f[X>>2]|0,f[X+4>>2]|0,Z|0,_|0)|0;X=I;$=v;aa=w;ba=f[aa>>2]|0;ca=f[aa+4>>2]|0;aa=Vn(f[$>>2]|0,f[$+4>>2]|0,ba|0,ca|0)|0;$=I;da=l;ea=Vn(f[da>>2]|0,f[da+4>>2]|0,K|0,W|0)|0;W=I;K=x;da=Vn(f[K>>2]|0,f[K+4>>2]|0,Z|0,_|0)|0;_=I;Z=y;K=Vn(f[Z>>2]|0,f[Z+4>>2]|0,ba|0,ca|0)|0;ca=I;ba=on(K|0,ca|0,Y|0,X|0)|0;Z=I;fa=on(da|0,_|0,aa|0,$|0)|0;ga=I;ha=on(ea|0,W|0,aa|0,$|0)|0;$=I;aa=on(K|0,ca|0,S|0,L|0)|0;ca=I;K=on(da|0,_|0,S|0,L|0)|0;L=I;S=on(ea|0,W|0,Y|0,X|0)|0;X=I;Y=Vn(B|0,C|0,fa|0,ga|0)|0;ga=Tn(Y|0,I|0,ba|0,Z|0)|0;Z=I;ba=Tn(ha|0,$|0,D|0,E|0)|0;$=Vn(ba|0,I|0,aa|0,ca|0)|0;ca=I;aa=Vn(F|0,G|0,S|0,X|0)|0;X=Tn(aa|0,I|0,K|0,L|0)|0;L=I;xg(i);A=f[c>>2]|0;K=(f[t>>2]|0)==0;if((A|0)==-1){ia=K;ja=Z;ka=ga;la=ca;ma=$;na=L;oa=X;break a}else{z=M;B=ga;C=Z;D=$;E=ca;F=X;G=L;H=K;J=P}}if((R|0)==17)mq(Q);else if((R|0)==21)mq(U)}else{ia=a;ja=0;ka=0;la=0;ma=0;na=0;oa=0}while(0);a=(ja|0)>-1|(ja|0)==-1&ka>>>0>4294967295;U=Vn(0,0,ka|0,ja|0)|0;R=a?ja:I;Q=(la|0)>-1|(la|0)==-1&ma>>>0>4294967295;P=Vn(0,0,ma|0,la|0)|0;M=Q?la:I;t=(na|0)>-1|(na|0)==-1&oa>>>0>4294967295;c=Vn(0,0,oa|0,na|0)|0;i=Tn((Q?ma:P)|0,M|0,(t?oa:c)|0,(t?na:I)|0)|0;t=Tn(i|0,I|0,(a?ka:U)|0,R|0)|0;R=I;if(ia){if((t|0)<=536870912){pa=ka;qa=ma;ra=oa;f[d>>2]=pa;sa=d+4|0;f[sa>>2]=qa;ta=d+8|0;f[ta>>2]=ra;u=e;return}ia=Wn(t|0,R|0,29)|0;U=ia&7;ia=zk(ka|0,ja|0,U|0,0)|0;a=zk(ma|0,la|0,U|0,0)|0;i=zk(oa|0,na|0,U|0,0)|0;pa=ia;qa=a;ra=i;f[d>>2]=pa;sa=d+4|0;f[sa>>2]=qa;ta=d+8|0;f[ta>>2]=ra;u=e;return}else{if(!((R|0)>0|(R|0)==0&t>>>0>536870912)){pa=ka;qa=ma;ra=oa;f[d>>2]=pa;sa=d+4|0;f[sa>>2]=qa;ta=d+8|0;f[ta>>2]=ra;u=e;return}i=Wn(t|0,R|0,29)|0;R=I;t=zk(ka|0,ja|0,i|0,R|0)|0;ja=zk(ma|0,la|0,i|0,R|0)|0;la=zk(oa|0,na|0,i|0,R|0)|0;pa=t;qa=ja;ra=la;f[d>>2]=pa;sa=d+4|0;f[sa>>2]=qa;ta=d+8|0;f[ta>>2]=ra;u=e;return}}function gc(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=Oa,V=Oa,X=Oa,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0;g=u;u=u+48|0;i=g+28|0;j=g+8|0;k=g;l=g+16|0;m=i+16|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[m>>2]=$(1.0);o=a+80|0;p=f[o>>2]|0;f[l>>2]=0;q=l+4|0;f[q>>2]=0;f[l+8>>2]=0;if(p){if(p>>>0>1073741823)mq(l);r=p<<2;s=dn(r)|0;f[l>>2]=s;t=s+(p<<2)|0;f[l+8>>2]=t;hj(s|0,0,r|0)|0;f[q>>2]=t;t=f[e>>2]|0;e=c+48|0;r=c+40|0;s=i+4|0;p=i+12|0;v=i+8|0;w=a+40|0;x=a+64|0;y=0;z=0;while(1){A=e;B=f[A>>2]|0;C=f[A+4>>2]|0;A=r;D=on(f[A>>2]|0,f[A+4>>2]|0,t+y|0,0)|0;A=Tn(D|0,I|0,B|0,C|0)|0;C=(f[f[c>>2]>>2]|0)+A|0;A=C;B=h[A>>0]|h[A+1>>0]<<8|h[A+2>>0]<<16|h[A+3>>0]<<24;A=C+4|0;C=h[A>>0]|h[A+1>>0]<<8|h[A+2>>0]<<16|h[A+3>>0]<<24;A=j;f[A>>2]=B;f[A+4>>2]=C;A=k;f[A>>2]=B;f[A+4>>2]=C;C=kf(i,k)|0;if(!C){A=k;B=f[A>>2]|0;D=f[A+4>>2]|0;A=B&65535;E=Wn(B|0,D|0,16)|0;F=E&65535;G=D&65535;H=Wn(B|0,D|0,48)|0;J=H&65535;K=((((A^318)&65535)+239^E&65535)+239^D&65535)+239^H&65535;H=f[s>>2]|0;E=(H|0)==0;a:do if(!E){L=H+-1|0;M=(L&H|0)==0;if(!M)if(K>>>0>>0)N=K;else N=(K>>>0)%(H>>>0)|0;else N=K&L;O=f[(f[i>>2]|0)+(N<<2)>>2]|0;if((O|0)!=0?(P=f[O>>2]|0,(P|0)!=0):0){if(M){M=P;while(1){O=f[M+4>>2]|0;if(!((O|0)==(K|0)|(O&L|0)==(N|0))){Q=N;R=31;break a}O=M+8|0;if((((d[O>>1]|0)==A<<16>>16?(d[O+2>>1]|0)==F<<16>>16:0)?(d[M+12>>1]|0)==G<<16>>16:0)?(d[O+6>>1]|0)==J<<16>>16:0)break a;M=f[M>>2]|0;if(!M){Q=N;R=31;break a}}}else S=P;while(1){M=f[S+4>>2]|0;if((M|0)!=(K|0)){if(M>>>0>>0)T=M;else T=(M>>>0)%(H>>>0)|0;if((T|0)!=(N|0)){Q=N;R=31;break a}}M=S+8|0;if((((d[M>>1]|0)==A<<16>>16?(d[M+2>>1]|0)==F<<16>>16:0)?(d[S+12>>1]|0)==G<<16>>16:0)?(d[M+6>>1]|0)==J<<16>>16:0)break a;S=f[S>>2]|0;if(!S){Q=N;R=31;break}}}else{Q=N;R=31}}else{Q=0;R=31}while(0);if((R|0)==31){R=0;J=dn(20)|0;G=J+8|0;F=G;d[F>>1]=B;d[F+2>>1]=B>>>16;F=G+4|0;d[F>>1]=D;d[F+2>>1]=D>>>16;f[J+16>>2]=z;f[J+4>>2]=K;f[J>>2]=0;U=$(((f[p>>2]|0)+1|0)>>>0);V=$(H>>>0);X=$(n[m>>2]);do if(E|$(X*V)>>0<3|(H+-1&H|0)!=0)&1;G=~~$(W($(U/X)))>>>0;Ch(i,F>>>0>>0?G:F);F=f[s>>2]|0;G=F+-1|0;if(!(G&F)){Y=F;Z=G&K;break}if(K>>>0>>0){Y=F;Z=K}else{Y=F;Z=(K>>>0)%(F>>>0)|0}}else{Y=H;Z=Q}while(0);H=(f[i>>2]|0)+(Z<<2)|0;K=f[H>>2]|0;if(!K){f[J>>2]=f[v>>2];f[v>>2]=J;f[H>>2]=v;H=f[J>>2]|0;if(H|0){E=f[H+4>>2]|0;H=Y+-1|0;if(H&Y)if(E>>>0>>0)_=E;else _=(E>>>0)%(Y>>>0)|0;else _=E&H;aa=(f[i>>2]|0)+(_<<2)|0;R=44}}else{f[J>>2]=f[K>>2];aa=K;R=44}if((R|0)==44){R=0;f[aa>>2]=J}f[p>>2]=(f[p>>2]|0)+1}K=w;H=f[K>>2]|0;E=on(H|0,f[K+4>>2]|0,z|0,0)|0;Rg((f[f[x>>2]>>2]|0)+E|0,j|0,H|0)|0;H=f[l>>2]|0;f[H+(y<<2)>>2]=z;ba=z+1|0;ca=H}else{H=f[l>>2]|0;f[H+(y<<2)>>2]=f[C+16>>2];ba=z;ca=H}y=y+1|0;da=f[o>>2]|0;if(y>>>0>=da>>>0)break;else z=ba}if((ba|0)==(da|0))ea=ca;else{z=a+84|0;if(!(b[z>>0]|0)){y=f[a+72>>2]|0;j=f[a+68>>2]|0;x=j;if((y|0)==(j|0))fa=ca;else{w=y-j>>2;j=0;do{y=x+(j<<2)|0;f[y>>2]=f[ca+(f[y>>2]<<2)>>2];j=j+1|0}while(j>>>0>>0);fa=ca}}else{b[z>>0]=0;z=a+68|0;ca=a+72|0;w=f[ca>>2]|0;j=f[z>>2]|0;x=w-j>>2;y=j;j=w;if(da>>>0<=x>>>0)if(da>>>0>>0?(w=y+(da<<2)|0,(w|0)!=(j|0)):0){f[ca>>2]=j+(~((j+-4-w|0)>>>2)<<2);ga=da}else ga=da;else{kh(z,da-x|0,1204);ga=f[o>>2]|0}x=f[l>>2]|0;if(!ga)fa=x;else{l=f[a+68>>2]|0;a=0;do{f[l+(a<<2)>>2]=f[x+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);fa=x}}f[o>>2]=ba;ea=fa}if(!ea)ha=ba;else{fa=f[q>>2]|0;if((fa|0)!=(ea|0))f[q>>2]=fa+(~((fa+-4-ea|0)>>>2)<<2);br(ea);ha=ba}}else ha=0;ba=f[i+8>>2]|0;if(ba|0){ea=ba;do{ba=ea;ea=f[ea>>2]|0;br(ba)}while((ea|0)!=0)}ea=f[i>>2]|0;f[i>>2]=0;if(!ea){u=g;return ha|0}br(ea);u=g;return ha|0}function hc(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0;c=u;u=u+16|0;d=c+8|0;e=c;g=c+4|0;h=a+16|0;i=f[h>>2]|0;j=a+20|0;k=f[j>>2]|0;if((k|0)==(i|0))l=i;else{m=k+(~((k+-4-i|0)>>>2)<<2)|0;f[j>>2]=m;l=m}m=a+24|0;if((l|0)==(f[m>>2]|0)){Ci(h,b);n=f[h>>2]|0;o=f[j>>2]|0}else{f[l>>2]=f[b>>2];k=l+4|0;f[j>>2]=k;n=i;o=k}k=f[a+8>>2]|0;i=(f[k+100>>2]|0)-(f[k+96>>2]|0)|0;k=(i|0)/12|0;if((n|0)==(o|0)){u=c;return 1}n=a+28|0;l=(i|0)>0;i=a+164|0;p=a+12|0;q=a+76|0;r=a+80|0;s=a+72|0;t=a+152|0;v=a+84|0;w=a+272|0;x=a+276|0;y=a+268|0;z=a+168|0;A=a+140|0;B=a+120|0;C=o;do{o=f[C+-4>>2]|0;f[b>>2]=o;a:do if((o|0)!=-1?(D=(o>>>0)/3|0,E=f[n>>2]|0,(f[E+(D>>>5<<2)>>2]&1<<(D&31)|0)==0):0){if(l){D=0;F=E;b:while(1){E=D+1|0;f[i>>2]=(f[i>>2]|0)+1;G=f[b>>2]|0;H=(G|0)==-1?-1:(G>>>0)/3|0;G=F+(H>>>5<<2)|0;f[G>>2]=1<<(H&31)|f[G>>2];G=f[q>>2]|0;if((G|0)==(f[r>>2]|0))Ci(s,b);else{f[G>>2]=f[b>>2];f[q>>2]=G+4}G=f[b>>2]|0;if((G|0)==-1)I=-1;else I=f[(f[f[p>>2]>>2]|0)+(G<<2)>>2]|0;J=(f[(f[t>>2]|0)+(I<<2)>>2]|0)!=-1;K=(f[v>>2]|0)+(I>>>5<<2)|0;L=1<<(I&31);M=f[K>>2]|0;do if(!(M&L)){f[K>>2]=M|L;if(J){N=f[b>>2]|0;O=30;break}f[d>>2]=0;P=f[w>>2]|0;if((P|0)==(f[x>>2]|0))Ci(y,d);else{f[P>>2]=0;f[w>>2]=P+4}P=f[b>>2]|0;Q=P+1|0;if((P|0)!=-1?(R=((Q>>>0)%3|0|0)==0?P+-2|0:Q,(R|0)!=-1):0)S=f[(f[(f[p>>2]|0)+12>>2]|0)+(R<<2)>>2]|0;else S=-1;f[b>>2]=S}else{N=G;O=30}while(0);if((O|0)==30){O=0;G=N+1|0;if((N|0)==-1){O=35;break}L=((G>>>0)%3|0|0)==0?N+-2|0:G;if((L|0)==-1)T=-1;else T=f[(f[(f[p>>2]|0)+12>>2]|0)+(L<<2)>>2]|0;f[e>>2]=T;L=(((N>>>0)%3|0|0)==0?2:-1)+N|0;if((L|0)==-1)U=-1;else U=f[(f[(f[p>>2]|0)+12>>2]|0)+(L<<2)>>2]|0;L=(T|0)==-1;M=L?-1:(T>>>0)/3|0;V=(U|0)==-1;W=V?-1:(U>>>0)/3|0;K=((G>>>0)%3|0|0)==0?N+-2|0:G;if(((K|0)!=-1?(G=f[(f[p>>2]|0)+12>>2]|0,R=f[G+(K<<2)>>2]|0,(R|0)!=-1):0)?(K=(R>>>0)/3|0,R=f[n>>2]|0,(f[R+(K>>>5<<2)>>2]&1<<(K&31)|0)==0):0){K=(((N>>>0)%3|0|0)==0?2:-1)+N|0;do if((K|0)!=-1){Q=f[G+(K<<2)>>2]|0;if((Q|0)==-1)break;P=(Q>>>0)/3|0;if(!(f[R+(P>>>5<<2)>>2]&1<<(P&31))){O=63;break b}}while(0);if(!V)jf(a,f[i>>2]|0,H,0,W);f[d>>2]=3;R=f[w>>2]|0;if((R|0)==(f[x>>2]|0))Ci(y,d);else{f[R>>2]=3;f[w>>2]=R+4}X=f[e>>2]|0}else{if(!L){jf(a,f[i>>2]|0,H,1,M);R=f[b>>2]|0;if((R|0)==-1){O=44;break}else Y=R}else Y=N;R=(((Y>>>0)%3|0|0)==0?2:-1)+Y|0;if((R|0)==-1){O=44;break}K=f[(f[(f[p>>2]|0)+12>>2]|0)+(R<<2)>>2]|0;if((K|0)==-1){O=44;break}R=(K>>>0)/3|0;if(f[(f[n>>2]|0)+(R>>>5<<2)>>2]&1<<(R&31)|0){O=44;break}f[d>>2]=5;R=f[w>>2]|0;if((R|0)==(f[x>>2]|0))Ci(y,d);else{f[R>>2]=5;f[w>>2]=R+4}X=U}f[b>>2]=X}if((E|0)>=(k|0))break a;D=E;F=f[n>>2]|0}do if((O|0)==35){O=0;f[e>>2]=-1;O=46}else if((O|0)==44){O=0;if(V)O=46;else{jf(a,f[i>>2]|0,H,0,W);O=46}}else if((O|0)==63){O=0;f[d>>2]=1;F=f[w>>2]|0;if((F|0)==(f[x>>2]|0))Ci(y,d);else{f[F>>2]=1;f[w>>2]=F+4}f[z>>2]=(f[z>>2]|0)+1;if(J?(F=f[(f[t>>2]|0)+(I<<2)>>2]|0,(1<<(F&31)&f[(f[A>>2]|0)+(F>>>5<<2)>>2]|0)==0):0){f[g>>2]=f[b>>2];f[d>>2]=f[g>>2];Ce(a,d,0)|0}F=f[i>>2]|0;f[d>>2]=H;D=Sd(B,d)|0;f[D>>2]=F;F=f[j>>2]|0;f[F+-4>>2]=U;if((F|0)==(f[m>>2]|0)){Ci(h,e);break}else{f[F>>2]=f[e>>2];f[j>>2]=F+4;break}}while(0);if((O|0)==46){O=0;f[d>>2]=7;F=f[w>>2]|0;if((F|0)==(f[x>>2]|0))Ci(y,d);else{f[F>>2]=7;f[w>>2]=F+4}f[j>>2]=(f[j>>2]|0)+-4}}}else O=11;while(0);if((O|0)==11){O=0;f[j>>2]=C+-4}C=f[j>>2]|0}while((f[h>>2]|0)!=(C|0));u=c;return 1}function ic(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=Oa,V=Oa,X=Oa,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0;e=u;u=u+48|0;g=e+20|0;i=e+16|0;j=e+12|0;k=e;l=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)mq(k);q=o<<2;r=dn(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;hj(r|0,0,q|0)|0;f[p>>2]=s;s=f[d>>2]|0;d=c+48|0;q=c+40|0;r=g+4|0;o=g+12|0;t=g+8|0;v=a+40|0;w=a+64|0;x=0;y=0;while(1){z=d;A=f[z>>2]|0;B=f[z+4>>2]|0;z=q;C=on(f[z>>2]|0,f[z+4>>2]|0,s+x|0,0)|0;z=Tn(C|0,I|0,A|0,B|0)|0;B=(f[f[c>>2]>>2]|0)+z|0;z=h[B>>0]|h[B+1>>0]<<8|h[B+2>>0]<<16|h[B+3>>0]<<24;f[i>>2]=z;f[j>>2]=z;z=pf(g,j)|0;if(!z){B=f[j>>2]|0;A=B&255;C=B>>>8;D=C&255;E=B>>>16;F=E&255;G=B>>>24;H=G&255;J=C&255;C=E&255;E=(((B&255^318)+239^J)+239^C)+239^G;G=f[r>>2]|0;K=(G|0)==0;a:do if(!K){L=G+-1|0;M=(L&G|0)==0;if(!M)if(E>>>0>>0)N=E;else N=(E>>>0)%(G>>>0)|0;else N=E&L;O=f[(f[g>>2]|0)+(N<<2)>>2]|0;if((O|0)!=0?(P=f[O>>2]|0,(P|0)!=0):0){if(M){M=P;while(1){O=f[M+4>>2]|0;if(!((O|0)==(E|0)|(O&L|0)==(N|0))){Q=N;R=31;break a}O=M+8|0;if((((b[O>>0]|0)==A<<24>>24?(b[O+1>>0]|0)==D<<24>>24:0)?(b[O+2>>0]|0)==F<<24>>24:0)?(b[O+3>>0]|0)==H<<24>>24:0)break a;M=f[M>>2]|0;if(!M){Q=N;R=31;break a}}}else S=P;while(1){M=f[S+4>>2]|0;if((M|0)!=(E|0)){if(M>>>0>>0)T=M;else T=(M>>>0)%(G>>>0)|0;if((T|0)!=(N|0)){Q=N;R=31;break a}}M=S+8|0;if((((b[M>>0]|0)==A<<24>>24?(b[M+1>>0]|0)==D<<24>>24:0)?(b[M+2>>0]|0)==F<<24>>24:0)?(b[M+3>>0]|0)==H<<24>>24:0)break a;S=f[S>>2]|0;if(!S){Q=N;R=31;break}}}else{Q=N;R=31}}else{Q=0;R=31}while(0);if((R|0)==31){R=0;H=dn(16)|0;F=H+8|0;D=B&-16776961|C<<16|J<<8;b[F>>0]=D;b[F+1>>0]=D>>8;b[F+2>>0]=D>>16;b[F+3>>0]=D>>24;f[H+12>>2]=y;f[H+4>>2]=E;f[H>>2]=0;U=$(((f[o>>2]|0)+1|0)>>>0);V=$(G>>>0);X=$(n[l>>2]);do if(K|$(X*V)>>0<3|(G+-1&G|0)!=0)&1;F=~~$(W($(U/X)))>>>0;Jh(g,D>>>0>>0?F:D);D=f[r>>2]|0;F=D+-1|0;if(!(F&D)){Y=D;Z=F&E;break}if(E>>>0>>0){Y=D;Z=E}else{Y=D;Z=(E>>>0)%(D>>>0)|0}}else{Y=G;Z=Q}while(0);G=(f[g>>2]|0)+(Z<<2)|0;E=f[G>>2]|0;if(!E){f[H>>2]=f[t>>2];f[t>>2]=H;f[G>>2]=t;G=f[H>>2]|0;if(G|0){K=f[G+4>>2]|0;G=Y+-1|0;if(G&Y)if(K>>>0>>0)_=K;else _=(K>>>0)%(Y>>>0)|0;else _=K&G;aa=(f[g>>2]|0)+(_<<2)|0;R=44}}else{f[H>>2]=f[E>>2];aa=E;R=44}if((R|0)==44){R=0;f[aa>>2]=H}f[o>>2]=(f[o>>2]|0)+1}E=v;G=f[E>>2]|0;K=on(G|0,f[E+4>>2]|0,y|0,0)|0;Rg((f[f[w>>2]>>2]|0)+K|0,i|0,G|0)|0;G=f[k>>2]|0;f[G+(x<<2)>>2]=y;ba=y+1|0;ca=G}else{G=f[k>>2]|0;f[G+(x<<2)>>2]=f[z+12>>2];ba=y;ca=G}x=x+1|0;da=f[m>>2]|0;if(x>>>0>=da>>>0)break;else y=ba}if((ba|0)==(da|0))ea=ca;else{y=a+84|0;if(!(b[y>>0]|0)){x=f[a+72>>2]|0;i=f[a+68>>2]|0;w=i;if((x|0)==(i|0))fa=ca;else{v=x-i>>2;i=0;do{x=w+(i<<2)|0;f[x>>2]=f[ca+(f[x>>2]<<2)>>2];i=i+1|0}while(i>>>0>>0);fa=ca}}else{b[y>>0]=0;y=a+68|0;ca=a+72|0;v=f[ca>>2]|0;i=f[y>>2]|0;w=v-i>>2;x=i;i=v;if(da>>>0<=w>>>0)if(da>>>0>>0?(v=x+(da<<2)|0,(v|0)!=(i|0)):0){f[ca>>2]=i+(~((i+-4-v|0)>>>2)<<2);ga=da}else ga=da;else{kh(y,da-w|0,1204);ga=f[m>>2]|0}w=f[k>>2]|0;if(!ga)fa=w;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[w+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);fa=w}}f[m>>2]=ba;ea=fa}if(!ea)ha=ba;else{fa=f[p>>2]|0;if((fa|0)!=(ea|0))f[p>>2]=fa+(~((fa+-4-ea|0)>>>2)<<2);br(ea);ha=ba}}else ha=0;ba=f[g+8>>2]|0;if(ba|0){ea=ba;do{ba=ea;ea=f[ea>>2]|0;br(ba)}while((ea|0)!=0)}ea=f[g>>2]|0;f[g>>2]=0;if(!ea){u=e;return ha|0}br(ea);u=e;return ha|0}function jc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=Oa,V=Oa,X=Oa,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0;e=u;u=u+80|0;g=e+48|0;h=e+32|0;i=e+16|0;j=e;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)mq(j);p=m<<2;q=dn(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;hj(q|0,0,p|0)|0;f[o>>2]=r;r=f[d>>2]|0;d=c+48|0;p=c+40|0;q=i+4|0;m=i+8|0;s=i+12|0;t=g+4|0;v=g+12|0;w=g+8|0;x=a+40|0;y=a+64|0;z=0;A=0;while(1){B=d;C=f[B>>2]|0;D=f[B+4>>2]|0;B=p;E=on(f[B>>2]|0,f[B+4>>2]|0,r+A|0,0)|0;B=Tn(E|0,I|0,C|0,D|0)|0;D=(f[f[c>>2]>>2]|0)+B|0;B=h;C=D;E=B+16|0;do{b[B>>0]=b[C>>0]|0;B=B+1|0;C=C+1|0}while((B|0)<(E|0));Xl(i|0,D|0,16)|0;C=Ff(g,i)|0;if(!C){B=f[i>>2]|0;E=f[q>>2]|0;F=f[m>>2]|0;G=f[s>>2]|0;H=(((B^318)+239^E)+239^F)+239^G;J=f[t>>2]|0;K=(J|0)==0;a:do if(!K){L=J+-1|0;M=(L&J|0)==0;if(!M)if(H>>>0>>0)N=H;else N=(H>>>0)%(J>>>0)|0;else N=H&L;O=f[(f[g>>2]|0)+(N<<2)>>2]|0;if((O|0)!=0?(P=f[O>>2]|0,(P|0)!=0):0){if(M){M=P;while(1){O=f[M+4>>2]|0;if(!((O|0)==(H|0)|(O&L|0)==(N|0))){Q=N;R=31;break a}if((((f[M+8>>2]|0)==(B|0)?(f[M+12>>2]|0)==(E|0):0)?(f[M+16>>2]|0)==(F|0):0)?(f[M+20>>2]|0)==(G|0):0)break a;M=f[M>>2]|0;if(!M){Q=N;R=31;break a}}}else S=P;while(1){M=f[S+4>>2]|0;if((M|0)!=(H|0)){if(M>>>0>>0)T=M;else T=(M>>>0)%(J>>>0)|0;if((T|0)!=(N|0)){Q=N;R=31;break a}}if((((f[S+8>>2]|0)==(B|0)?(f[S+12>>2]|0)==(E|0):0)?(f[S+16>>2]|0)==(F|0):0)?(f[S+20>>2]|0)==(G|0):0)break a;S=f[S>>2]|0;if(!S){Q=N;R=31;break}}}else{Q=N;R=31}}else{Q=0;R=31}while(0);if((R|0)==31){R=0;D=dn(28)|0;f[D+8>>2]=B;f[D+12>>2]=E;f[D+16>>2]=F;f[D+20>>2]=G;f[D+24>>2]=z;f[D+4>>2]=H;f[D>>2]=0;U=$(((f[v>>2]|0)+1|0)>>>0);V=$(J>>>0);X=$(n[k>>2]);do if(K|$(X*V)>>0<3|(J+-1&J|0)!=0)&1;M=~~$(W($(U/X)))>>>0;Gh(g,P>>>0>>0?M:P);P=f[t>>2]|0;M=P+-1|0;if(!(M&P)){Y=P;Z=M&H;break}if(H>>>0

>>0){Y=P;Z=H}else{Y=P;Z=(H>>>0)%(P>>>0)|0}}else{Y=J;Z=Q}while(0);J=(f[g>>2]|0)+(Z<<2)|0;H=f[J>>2]|0;if(!H){f[D>>2]=f[w>>2];f[w>>2]=D;f[J>>2]=w;J=f[D>>2]|0;if(J|0){K=f[J+4>>2]|0;J=Y+-1|0;if(J&Y)if(K>>>0>>0)_=K;else _=(K>>>0)%(Y>>>0)|0;else _=K&J;aa=(f[g>>2]|0)+(_<<2)|0;R=44}}else{f[D>>2]=f[H>>2];aa=H;R=44}if((R|0)==44){R=0;f[aa>>2]=D}f[v>>2]=(f[v>>2]|0)+1}H=x;J=f[H>>2]|0;K=on(J|0,f[H+4>>2]|0,z|0,0)|0;Rg((f[f[y>>2]>>2]|0)+K|0,h|0,J|0)|0;J=f[j>>2]|0;f[J+(A<<2)>>2]=z;ba=z+1|0;ca=J}else{J=f[j>>2]|0;f[J+(A<<2)>>2]=f[C+24>>2];ba=z;ca=J}A=A+1|0;da=f[l>>2]|0;if(A>>>0>=da>>>0)break;else z=ba}if((ba|0)==(da|0))ea=ca;else{z=a+84|0;if(!(b[z>>0]|0)){A=f[a+72>>2]|0;h=f[a+68>>2]|0;y=h;if((A|0)==(h|0))fa=ca;else{x=A-h>>2;h=0;do{A=y+(h<<2)|0;f[A>>2]=f[ca+(f[A>>2]<<2)>>2];h=h+1|0}while(h>>>0>>0);fa=ca}}else{b[z>>0]=0;z=a+68|0;ca=a+72|0;x=f[ca>>2]|0;h=f[z>>2]|0;y=x-h>>2;A=h;h=x;if(da>>>0<=y>>>0)if(da>>>0>>0?(x=A+(da<<2)|0,(x|0)!=(h|0)):0){f[ca>>2]=h+(~((h+-4-x|0)>>>2)<<2);ga=da}else ga=da;else{kh(z,da-y|0,1204);ga=f[l>>2]|0}y=f[j>>2]|0;if(!ga)fa=y;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[y+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);fa=y}}f[l>>2]=ba;ea=fa}if(!ea)ha=ba;else{fa=f[o>>2]|0;if((fa|0)!=(ea|0))f[o>>2]=fa+(~((fa+-4-ea|0)>>>2)<<2);br(ea);ha=ba}}else ha=0;ba=f[g+8>>2]|0;if(ba|0){ea=ba;do{ba=ea;ea=f[ea>>2]|0;br(ba)}while((ea|0)!=0)}ea=f[g>>2]|0;f[g>>2]=0;if(!ea){u=e;return ha|0}br(ea);u=e;return ha|0}function kc(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=Oa,T=Oa,U=Oa,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0;g=u;u=u+48|0;h=g+12|0;i=g+38|0;j=g+32|0;k=g;l=h+16|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;f[h+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)mq(k);q=o<<2;r=dn(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;hj(r|0,0,q|0)|0;f[p>>2]=s;s=f[e>>2]|0;e=c+48|0;q=c+40|0;r=j+2|0;o=j+4|0;t=h+4|0;v=h+12|0;w=h+8|0;x=a+40|0;y=a+64|0;z=0;A=0;while(1){B=e;C=f[B>>2]|0;D=f[B+4>>2]|0;B=q;E=on(f[B>>2]|0,f[B+4>>2]|0,s+A|0,0)|0;B=Tn(E|0,I|0,C|0,D|0)|0;D=(f[f[c>>2]>>2]|0)+B|0;b[i>>0]=b[D>>0]|0;b[i+1>>0]=b[D+1>>0]|0;b[i+2>>0]=b[D+2>>0]|0;b[i+3>>0]=b[D+3>>0]|0;b[i+4>>0]=b[D+4>>0]|0;b[i+5>>0]=b[D+5>>0]|0;Xl(j|0,D|0,6)|0;D=Pf(h,j)|0;if(!D){B=d[j>>1]|0;C=d[r>>1]|0;E=d[o>>1]|0;F=(((B^318)&65535)+239^C&65535)+239^E&65535;G=f[t>>2]|0;H=(G|0)==0;a:do if(!H){J=G+-1|0;K=(J&G|0)==0;if(!K)if(F>>>0>>0)L=F;else L=(F>>>0)%(G>>>0)|0;else L=F&J;M=f[(f[h>>2]|0)+(L<<2)>>2]|0;if((M|0)!=0?(N=f[M>>2]|0,(N|0)!=0):0){if(K){K=N;while(1){M=f[K+4>>2]|0;if(!((M|0)==(F|0)|(M&J|0)==(L|0))){O=L;P=29;break a}M=K+8|0;if(((d[M>>1]|0)==B<<16>>16?(d[M+2>>1]|0)==C<<16>>16:0)?(d[K+12>>1]|0)==E<<16>>16:0)break a;K=f[K>>2]|0;if(!K){O=L;P=29;break a}}}else Q=N;while(1){K=f[Q+4>>2]|0;if((K|0)!=(F|0)){if(K>>>0>>0)R=K;else R=(K>>>0)%(G>>>0)|0;if((R|0)!=(L|0)){O=L;P=29;break a}}K=Q+8|0;if(((d[K>>1]|0)==B<<16>>16?(d[K+2>>1]|0)==C<<16>>16:0)?(d[Q+12>>1]|0)==E<<16>>16:0)break a;Q=f[Q>>2]|0;if(!Q){O=L;P=29;break}}}else{O=L;P=29}}else{O=0;P=29}while(0);if((P|0)==29){P=0;N=dn(20)|0;d[N+8>>1]=B;d[N+10>>1]=C;d[N+12>>1]=E;f[N+16>>2]=z;f[N+4>>2]=F;f[N>>2]=0;S=$(((f[v>>2]|0)+1|0)>>>0);T=$(G>>>0);U=$(n[l>>2]);do if(H|$(U*T)>>0<3|(G+-1&G|0)!=0)&1;J=~~$(W($(S/U)))>>>0;Dh(h,K>>>0>>0?J:K);K=f[t>>2]|0;J=K+-1|0;if(!(J&K)){V=K;X=J&F;break}if(F>>>0>>0){V=K;X=F}else{V=K;X=(F>>>0)%(K>>>0)|0}}else{V=G;X=O}while(0);G=(f[h>>2]|0)+(X<<2)|0;F=f[G>>2]|0;if(!F){f[N>>2]=f[w>>2];f[w>>2]=N;f[G>>2]=w;G=f[N>>2]|0;if(G|0){H=f[G+4>>2]|0;G=V+-1|0;if(G&V)if(H>>>0>>0)Y=H;else Y=(H>>>0)%(V>>>0)|0;else Y=H&G;Z=(f[h>>2]|0)+(Y<<2)|0;P=42}}else{f[N>>2]=f[F>>2];Z=F;P=42}if((P|0)==42){P=0;f[Z>>2]=N}f[v>>2]=(f[v>>2]|0)+1}F=x;G=f[F>>2]|0;H=on(G|0,f[F+4>>2]|0,z|0,0)|0;Rg((f[f[y>>2]>>2]|0)+H|0,i|0,G|0)|0;G=f[k>>2]|0;f[G+(A<<2)>>2]=z;_=z+1|0;aa=G}else{G=f[k>>2]|0;f[G+(A<<2)>>2]=f[D+16>>2];_=z;aa=G}A=A+1|0;ba=f[m>>2]|0;if(A>>>0>=ba>>>0)break;else z=_}if((_|0)==(ba|0))ca=aa;else{z=a+84|0;if(!(b[z>>0]|0)){A=f[a+72>>2]|0;i=f[a+68>>2]|0;y=i;if((A|0)==(i|0))da=aa;else{x=A-i>>2;i=0;do{A=y+(i<<2)|0;f[A>>2]=f[aa+(f[A>>2]<<2)>>2];i=i+1|0}while(i>>>0>>0);da=aa}}else{b[z>>0]=0;z=a+68|0;aa=a+72|0;x=f[aa>>2]|0;i=f[z>>2]|0;y=x-i>>2;A=i;i=x;if(ba>>>0<=y>>>0)if(ba>>>0>>0?(x=A+(ba<<2)|0,(x|0)!=(i|0)):0){f[aa>>2]=i+(~((i+-4-x|0)>>>2)<<2);ea=ba}else ea=ba;else{kh(z,ba-y|0,1204);ea=f[m>>2]|0}y=f[k>>2]|0;if(!ea)da=y;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[y+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);da=y}}f[m>>2]=_;ca=da}if(!ca)fa=_;else{da=f[p>>2]|0;if((da|0)!=(ca|0))f[p>>2]=da+(~((da+-4-ca|0)>>>2)<<2);br(ca);fa=_}}else fa=0;_=f[h+8>>2]|0;if(_|0){ca=_;do{_=ca;ca=f[ca>>2]|0;br(_)}while((ca|0)!=0)}ca=f[h>>2]|0;f[h>>2]=0;if(!ca){u=g;return fa|0}br(ca);u=g;return fa|0}function lc(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0;d=u;u=u+80|0;e=d+72|0;g=d+64|0;h=d;i=d+68|0;j=d+60|0;k=a+352|0;if(b[k>>0]|0?(l=Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0,((f[l+12>>2]|0)-(f[l+8>>2]|0)|0)>0):0){l=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+8|0;m=f[f[l>>2]>>2]|0;f[e>>2]=c;l=m+4|0;n=m+8|0;o=f[n>>2]|0;if((o|0)==(f[m+12>>2]|0))Ci(l,e);else{f[o>>2]=c;f[n>>2]=o+4}o=f[e>>2]|0;p=m+16|0;q=m+20|0;m=f[q>>2]|0;r=f[p>>2]|0;s=m-r>>2;t=r;if((o|0)<(s|0)){v=t;w=o}else{r=o+1|0;f[g>>2]=-1;x=m;if(r>>>0<=s>>>0)if(r>>>0>>0?(m=t+(r<<2)|0,(m|0)!=(x|0)):0){f[q>>2]=x+(~((x+-4-m|0)>>>2)<<2);y=o;z=t}else{y=o;z=t}else{kh(p,r-s|0,g);y=f[e>>2]|0;z=f[p>>2]|0}v=z;w=y}f[v+(w<<2)>>2]=((f[n>>2]|0)-(f[l>>2]|0)>>2)+-1;A=1;u=d;return A|0}l=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+56|0;n=f[(f[(f[l>>2]|0)+84>>2]|0)+(c<<2)>>2]|0;l=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+4|0;w=f[(f[(f[l>>2]|0)+8>>2]|0)+(c<<2)>>2]|0;f[g>>2]=-1;l=a+172|0;v=f[a+176>>2]|0;y=f[l>>2]|0;z=y;a:do if((v|0)==(y|0))B=-1;else{p=(v-y|0)/136|0;s=0;while(1){if((f[z+(s*136|0)>>2]|0)==(c|0))break;r=s+1|0;if(r>>>0

>>0)s=r;else{B=-1;break a}}f[g>>2]=s;B=s}while(0);b:do if(!(b[k>>0]|0)){y=(f[w+56>>2]|0)==0;do if(!((n|0)==0|y)){if((n|0)==1?b[z+(B*136|0)+28>>0]|0:0)break;v=z+(B*136|0)+104|0;p=z+(B*136|0)+4|0;r=(f[z+(B*136|0)+60>>2]|0)-(f[z+(B*136|0)+56>>2]|0)>>2;f[e>>2]=-1;Sf(z+(B*136|0)+116|0,r,e);r=dn(80)|0;t=f[a+8>>2]|0;f[r+4>>2]=0;f[r>>2]=3164;o=r+8|0;m=r+12|0;x=m+44|0;do{f[m>>2]=0;m=m+4|0}while((m|0)<(x|0));f[o>>2]=3188;q=r+56|0;f[q>>2]=0;f[r+60>>2]=0;f[r+64>>2]=0;f[r+68>>2]=t;f[r+72>>2]=v;C=r+76|0;f[C>>2]=0;D=h+4|0;m=D+4|0;x=m+40|0;do{f[m>>2]=0;m=m+4|0}while((m|0)<(x|0));f[h>>2]=3188;m=h+48|0;f[m>>2]=0;x=h+52|0;f[x>>2]=0;f[h+56>>2]=0;f[D>>2]=p;E=f[z+(B*136|0)+68>>2]|0;F=((f[E+4>>2]|0)-(f[E>>2]|0)>>2>>>0)/3|0;b[e>>0]=0;Xg(h+24|0,F,e);F=f[D>>2]|0;E=(f[F+56>>2]|0)-(f[F+52>>2]|0)>>2;b[e>>0]=0;Xg(h+36|0,E,e);f[h+8>>2]=p;f[h+12>>2]=v;f[h+16>>2]=t;f[h+20>>2]=r;f[C>>2]=a+72;ef(o,h)|0;Yf(q,f[m>>2]|0,f[x>>2]|0);E=r;f[h>>2]=3188;F=f[m>>2]|0;if(F|0){m=f[x>>2]|0;if((m|0)!=(F|0))f[x>>2]=m+(~((m+-4-F|0)>>>2)<<2);br(F)}f[h>>2]=3208;F=f[h+36>>2]|0;if(F|0)br(F);F=f[h+24>>2]|0;if(F|0)br(F);G=0;H=E;I=42;break b}while(0);if(!y){s=f[a+12>>2]|0;E=(f[s+28>>2]|0)-(f[s+24>>2]|0)>>2;f[e>>2]=-1;Sf(z+(B*136|0)+116|0,E,e);b[(f[l>>2]|0)+((f[g>>2]|0)*136|0)+100>>0]=0;J=z+(B*136|0)+104|0;I=26}else I=24}else I=24;while(0);if((I|0)==24){J=a+40|0;I=26}if((I|0)==26){B=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+48|0;do if((Yh(f[B>>2]|0)|0)==0?(f[w+56>>2]|0)==0:0){if(b[k>>0]|0?(z=f[a+8>>2]|0,((f[z+12>>2]|0)-(f[z+8>>2]|0)|0)>=5):0){I=31;break}uf(e,a,J);K=1;L=f[e>>2]|0}else I=31;while(0);if((I|0)==31){Le(e,a,J);K=0;L=f[e>>2]|0}if(!L)M=0;else{G=K;H=L;I=42}}if((I|0)==42){I=f[g>>2]|0;if((I|0)==-1)N=a+68|0;else N=(f[l>>2]|0)+(I*136|0)+132|0;f[N>>2]=G;G=dn(76)|0;f[i>>2]=H;ml(G,i,c);c=G;G=f[i>>2]|0;f[i>>2]=0;if(G|0)Va[f[(f[G>>2]|0)+4>>2]&127](G);G=a+188|0;i=f[G>>2]|0;if((i|0)==(f[a+192>>2]|0))Ci(a+184|0,g);else{f[i>>2]=f[g>>2];f[G>>2]=i+4}i=Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0;f[j>>2]=c;a=i+12|0;G=f[a>>2]|0;if(G>>>0<(f[i+16>>2]|0)>>>0){f[j>>2]=0;f[G>>2]=c;f[a>>2]=G+4;O=j}else{yg(i+8|0,j);O=j}j=f[O>>2]|0;f[O>>2]=0;if(!j)M=1;else{Va[f[(f[j>>2]|0)+4>>2]&127](j);M=1}}A=M;u=d;return A|0}function mc(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0;d=u;u=u+80|0;e=d+72|0;g=d+64|0;h=d;i=d+68|0;j=d+60|0;k=a+288|0;if(b[k>>0]|0?(l=Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0,((f[l+12>>2]|0)-(f[l+8>>2]|0)|0)>0):0){l=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+8|0;m=f[f[l>>2]>>2]|0;f[e>>2]=c;l=m+4|0;n=m+8|0;o=f[n>>2]|0;if((o|0)==(f[m+12>>2]|0))Ci(l,e);else{f[o>>2]=c;f[n>>2]=o+4}o=f[e>>2]|0;p=m+16|0;q=m+20|0;m=f[q>>2]|0;r=f[p>>2]|0;s=m-r>>2;t=r;if((o|0)<(s|0)){v=t;w=o}else{r=o+1|0;f[g>>2]=-1;x=m;if(r>>>0<=s>>>0)if(r>>>0>>0?(m=t+(r<<2)|0,(m|0)!=(x|0)):0){f[q>>2]=x+(~((x+-4-m|0)>>>2)<<2);y=o;z=t}else{y=o;z=t}else{kh(p,r-s|0,g);y=f[e>>2]|0;z=f[p>>2]|0}v=z;w=y}f[v+(w<<2)>>2]=((f[n>>2]|0)-(f[l>>2]|0)>>2)+-1;A=1;u=d;return A|0}l=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+56|0;n=f[(f[(f[l>>2]|0)+84>>2]|0)+(c<<2)>>2]|0;l=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+4|0;w=f[(f[(f[l>>2]|0)+8>>2]|0)+(c<<2)>>2]|0;f[g>>2]=-1;l=a+172|0;v=f[a+176>>2]|0;y=f[l>>2]|0;z=y;a:do if((v|0)==(y|0))B=-1;else{p=(v-y|0)/136|0;s=0;while(1){if((f[z+(s*136|0)>>2]|0)==(c|0))break;r=s+1|0;if(r>>>0

>>0)s=r;else{B=-1;break a}}f[g>>2]=s;B=s}while(0);b:do if(!(b[k>>0]|0)){y=(f[w+56>>2]|0)==0;do if(!((n|0)==0|y)){if((n|0)==1?b[z+(B*136|0)+28>>0]|0:0)break;v=z+(B*136|0)+104|0;p=z+(B*136|0)+4|0;r=(f[z+(B*136|0)+60>>2]|0)-(f[z+(B*136|0)+56>>2]|0)>>2;f[e>>2]=-1;Sf(z+(B*136|0)+116|0,r,e);r=dn(80)|0;t=f[a+8>>2]|0;f[r+4>>2]=0;f[r>>2]=3164;o=r+8|0;m=r+12|0;x=m+44|0;do{f[m>>2]=0;m=m+4|0}while((m|0)<(x|0));f[o>>2]=3188;q=r+56|0;f[q>>2]=0;f[r+60>>2]=0;f[r+64>>2]=0;f[r+68>>2]=t;f[r+72>>2]=v;C=r+76|0;f[C>>2]=0;D=h+4|0;m=D+4|0;x=m+40|0;do{f[m>>2]=0;m=m+4|0}while((m|0)<(x|0));f[h>>2]=3188;m=h+48|0;f[m>>2]=0;x=h+52|0;f[x>>2]=0;f[h+56>>2]=0;f[D>>2]=p;E=f[z+(B*136|0)+68>>2]|0;F=((f[E+4>>2]|0)-(f[E>>2]|0)>>2>>>0)/3|0;b[e>>0]=0;Xg(h+24|0,F,e);F=f[D>>2]|0;E=(f[F+56>>2]|0)-(f[F+52>>2]|0)>>2;b[e>>0]=0;Xg(h+36|0,E,e);f[h+8>>2]=p;f[h+12>>2]=v;f[h+16>>2]=t;f[h+20>>2]=r;f[C>>2]=a+72;ef(o,h)|0;Yf(q,f[m>>2]|0,f[x>>2]|0);E=r;f[h>>2]=3188;F=f[m>>2]|0;if(F|0){m=f[x>>2]|0;if((m|0)!=(F|0))f[x>>2]=m+(~((m+-4-F|0)>>>2)<<2);br(F)}f[h>>2]=3208;F=f[h+36>>2]|0;if(F|0)br(F);F=f[h+24>>2]|0;if(F|0)br(F);G=0;H=E;I=42;break b}while(0);if(!y){s=f[a+12>>2]|0;E=(f[s+28>>2]|0)-(f[s+24>>2]|0)>>2;f[e>>2]=-1;Sf(z+(B*136|0)+116|0,E,e);b[(f[l>>2]|0)+((f[g>>2]|0)*136|0)+100>>0]=0;J=z+(B*136|0)+104|0;I=26}else I=24}else I=24;while(0);if((I|0)==24){J=a+40|0;I=26}if((I|0)==26){B=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+48|0;do if((Yh(f[B>>2]|0)|0)==0?(f[w+56>>2]|0)==0:0){if(b[k>>0]|0?(z=f[a+8>>2]|0,((f[z+12>>2]|0)-(f[z+8>>2]|0)|0)>=5):0){I=31;break}uf(e,a,J);K=1;L=f[e>>2]|0}else I=31;while(0);if((I|0)==31){Le(e,a,J);K=0;L=f[e>>2]|0}if(!L)M=0;else{G=K;H=L;I=42}}if((I|0)==42){I=f[g>>2]|0;if((I|0)==-1)N=a+68|0;else N=(f[l>>2]|0)+(I*136|0)+132|0;f[N>>2]=G;G=dn(76)|0;f[i>>2]=H;ml(G,i,c);c=G;G=f[i>>2]|0;f[i>>2]=0;if(G|0)Va[f[(f[G>>2]|0)+4>>2]&127](G);G=a+188|0;i=f[G>>2]|0;if((i|0)==(f[a+192>>2]|0))Ci(a+184|0,g);else{f[i>>2]=f[g>>2];f[G>>2]=i+4}i=Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0;f[j>>2]=c;a=i+12|0;G=f[a>>2]|0;if(G>>>0<(f[i+16>>2]|0)>>>0){f[j>>2]=0;f[G>>2]=c;f[a>>2]=G+4;O=j}else{yg(i+8|0,j);O=j}j=f[O>>2]|0;f[O>>2]=0;if(!j)M=1;else{Va[f[(f[j>>2]|0)+4>>2]&127](j);M=1}}A=M;u=d;return A|0}function nc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0;e=u;u=u+64|0;d=e+48|0;h=e+40|0;i=e+32|0;j=e+16|0;k=e+8|0;l=e;m=e+28|0;n=a+8|0;o=f[n>>2]|0;if((o+-2|0)>>>0<=28){f[a+72>>2]=o;p=1<>2]=p+-1;o=p+-2|0;f[a+80>>2]=o;f[a+84>>2]=(o|0)/2|0}o=a+40|0;f[a+48>>2]=g;g=a+88|0;lk(g);p=a+36|0;q=f[p>>2]|0;r=(f[q+4>>2]|0)-(f[q>>2]|0)|0;s=r>>2;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;t=k;f[t>>2]=0;f[t+4>>2]=0;t=l;f[t>>2]=0;f[t+4>>2]=0;if((r|0)<=0){u=e;return 1}r=j+4|0;t=j+8|0;v=a+84|0;w=a+80|0;x=h+4|0;y=i+4|0;z=d+4|0;A=k+4|0;B=h+4|0;C=i+4|0;D=d+4|0;E=l+4|0;F=a+76|0;a=k+4|0;G=l+4|0;H=f[q>>2]|0;if((f[q+4>>2]|0)==(H|0)){J=q;mq(J)}else{K=0;L=H}while(1){f[m>>2]=f[L+(K<<2)>>2];f[d>>2]=f[m>>2];fc(o,d,j);H=f[j>>2]|0;q=(H|0)>-1?H:0-H|0;M=f[r>>2]|0;N=(M|0)>-1?M:0-M|0;O=Tn(N|0,((N|0)<0)<<31>>31|0,q|0,((q|0)<0)<<31>>31|0)|0;q=f[t>>2]|0;N=(q|0)>-1;P=N?q:0-q|0;q=Tn(O|0,I|0,P|0,((P|0)<0)<<31>>31|0)|0;P=I;if((q|0)==0&(P|0)==0){O=f[v>>2]|0;Q=O;R=j;S=M;T=O}else{O=f[v>>2]|0;U=((O|0)<0)<<31>>31;V=on(O|0,U|0,H|0,((H|0)<0)<<31>>31|0)|0;H=zk(V|0,I|0,q|0,P|0)|0;f[j>>2]=H;V=on(O|0,U|0,M|0,((M|0)<0)<<31>>31|0)|0;M=zk(V|0,I|0,q|0,P|0)|0;f[r>>2]=M;P=O-((H|0)>-1?H:0-H|0)-((M|0)>-1?M:0-M|0)|0;Q=N?P:0-P|0;R=t;S=M;T=O}f[R>>2]=Q;O=f[j>>2]|0;do if((O|0)<=-1){if((S|0)<0){M=f[t>>2]|0;W=(M|0)>-1?M:0-M|0;X=M}else{M=f[t>>2]|0;W=(f[w>>2]|0)-((M|0)>-1?M:0-M|0)|0;X=M}if((X|0)<0){Y=(S|0)>-1?S:0-S|0;Z=W;_=X;break}else{Y=(f[w>>2]|0)-((S|0)>-1?S:0-S|0)|0;Z=W;_=X;break}}else{M=f[t>>2]|0;Y=M+T|0;Z=T+S|0;_=M}while(0);M=(Z|0)==0;P=(Y|0)==0;N=f[w>>2]|0;do if(Y|Z){H=(N|0)==(Y|0);if(!(M&H)){q=(N|0)==(Z|0);if(!(P&q)){if(M&(T|0)<(Y|0)){$=0;aa=(T<<1)-Y|0;break}if(q&(T|0)>(Y|0)){$=Z;aa=(T<<1)-Y|0;break}if(H&(T|0)>(Z|0)){$=(T<<1)-Z|0;aa=Y;break}if(P){$=(T|0)<(Z|0)?(T<<1)-Z|0:Z;aa=0}else{$=Z;aa=Y}}else{$=Z;aa=Z}}else{$=Y;aa=Y}}else{$=N;aa=N}while(0);P=0-S|0;M=0-_|0;f[j>>2]=0-O;f[r>>2]=P;f[t>>2]=M;if((O|0)<1){ba=T-_|0;ca=T-S|0}else{H=(_|0)<1?M:_;M=(S|0)<1?P:S;ba=(_|0)>0?M:N-M|0;ca=(S|0)>0?H:N-H|0}H=(ca|0)==0;M=(ba|0)==0;do if(((ba|ca|0)!=0?(P=(N|0)==(ba|0),!(H&P)):0)?(q=(N|0)==(ca|0),!(M&q)):0){if(H&(T|0)<(ba|0)){da=0;ea=(T<<1)-ba|0;break}if(q&(T|0)>(ba|0)){da=N;ea=(T<<1)-ba|0;break}if(P&(T|0)>(ca|0)){da=(T<<1)-ca|0;ea=N;break}if(M){da=(T|0)<(ca|0)?(T<<1)-ca|0:ca;ea=0}else{da=ca;ea=ba}}else{da=N;ea=N}while(0);N=K<<1;M=b+(N<<2)|0;H=M+4|0;O=f[H>>2]|0;f[h>>2]=f[M>>2];f[x>>2]=O;f[i>>2]=$;f[y>>2]=aa;Dd(d,n,h,i);O=f[d>>2]|0;f[k>>2]=O;P=f[z>>2]|0;f[A>>2]=P;q=f[H>>2]|0;f[h>>2]=f[M>>2];f[B>>2]=q;f[i>>2]=da;f[C>>2]=ea;Dd(d,n,h,i);q=f[d>>2]|0;f[l>>2]=q;M=f[D>>2]|0;f[E>>2]=M;H=f[v>>2]|0;if((H|0)>=(O|0))if((O|0)<(0-H|0))fa=(f[F>>2]|0)+O|0;else fa=O;else fa=O-(f[F>>2]|0)|0;f[k>>2]=fa;if((H|0)>=(P|0))if((P|0)<(0-H|0))ga=(f[F>>2]|0)+P|0;else ga=P;else ga=P-(f[F>>2]|0)|0;f[a>>2]=ga;if((H|0)>=(q|0))if((q|0)<(0-H|0))ha=(f[F>>2]|0)+q|0;else ha=q;else ha=q-(f[F>>2]|0)|0;f[l>>2]=ha;if((H|0)>=(M|0))if((M|0)<(0-H|0))ia=(f[F>>2]|0)+M|0;else ia=M;else ia=M-(f[F>>2]|0)|0;f[G>>2]=ia;if((((ga|0)>-1?ga:0-ga|0)+((fa|0)>-1?fa:0-fa|0)|0)<(((ha|0)>-1?ha:0-ha|0)+((ia|0)>-1?ia:0-ia|0)|0)){Vi(g,0);ja=k}else{Vi(g,1);ja=l}M=f[ja>>2]|0;if((M|0)<0)ka=(f[F>>2]|0)+M|0;else ka=M;M=c+(N<<2)|0;f[M>>2]=ka;N=f[ja+4>>2]|0;if((N|0)<0)la=(f[F>>2]|0)+N|0;else la=N;f[M+4>>2]=la;K=K+1|0;if((K|0)>=(s|0)){ma=5;break}M=f[p>>2]|0;L=f[M>>2]|0;if((f[M+4>>2]|0)-L>>2>>>0<=K>>>0){J=M;ma=6;break}}if((ma|0)==5){u=e;return 1}else if((ma|0)==6)mq(J);return 0}function oc(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0;c=u;u=u+48|0;d=c+24|0;e=c+12|0;g=c;if(!b){h=0;u=c;return h|0}i=a+12|0;j=a+4|0;k=f[j>>2]|0;l=f[a>>2]|0;m=k-l>>2;n=a+16|0;o=f[n>>2]|0;p=f[i>>2]|0;q=o-p>>2;r=p;p=o;if(m>>>0<=q>>>0)if(m>>>0>>0?(o=r+(m<<2)|0,(o|0)!=(p|0)):0){f[n>>2]=p+(~((p+-4-o|0)>>>2)<<2);s=l;t=k}else{s=l;t=k}else{kh(i,m-q|0,5828);s=f[a>>2]|0;t=f[j>>2]|0}f[d>>2]=0;q=d+4|0;f[q>>2]=0;f[d+8>>2]=0;$j(d,t-s>>2);s=f[j>>2]|0;t=f[a>>2]|0;if((s|0)==(t|0)){v=s;w=s}else{m=f[d>>2]|0;k=m;l=k;o=0;p=s;s=k;k=t;t=m;while(1){m=f[k+(o<<2)>>2]|0;n=f[q>>2]|0;if(m>>>0>2>>>0){x=l;y=s;z=k;A=p}else{r=m+1|0;f[e>>2]=0;B=n-t>>2;C=t;D=n;if(r>>>0<=B>>>0)if(r>>>0>>0?(n=C+(r<<2)|0,(n|0)!=(D|0)):0){f[q>>2]=D+(~((D+-4-n|0)>>>2)<<2);E=l;F=p;G=k}else{E=l;F=p;G=k}else{kh(d,r-B|0,e);E=f[d>>2]|0;F=f[j>>2]|0;G=f[a>>2]|0}x=E;y=E;z=G;A=F}B=y+(m<<2)|0;f[B>>2]=(f[B>>2]|0)+1;o=o+1|0;if(o>>>0>=A-z>>2>>>0){v=z;w=A;break}else{l=x;p=A;s=y;k=z;t=y}}}y=w-v|0;v=y>>2;f[e>>2]=0;w=e+4|0;f[w>>2]=0;f[e+8>>2]=0;if(!v){H=0;I=0}else{if(v>>>0>536870911)mq(e);t=dn(y<<1)|0;f[w>>2]=t;f[e>>2]=t;y=t+(v<<3)|0;f[e+8>>2]=y;z=v;v=t;k=t;while(1){s=v;f[s>>2]=-1;f[s+4>>2]=-1;s=k+8|0;A=z+-1|0;if(!A)break;else{z=A;v=s;k=s}}f[w>>2]=y;H=t;I=t}t=f[q>>2]|0;y=f[d>>2]|0;k=t-y|0;v=k>>2;f[g>>2]=0;z=g+4|0;f[z>>2]=0;f[g+8>>2]=0;s=y;do if(v)if(v>>>0>1073741823)mq(g);else{A=dn(k)|0;f[g>>2]=A;p=A+(v<<2)|0;f[g+8>>2]=p;hj(A|0,0,k|0)|0;f[z>>2]=p;J=A;K=p;L=A;break}else{J=0;K=0;L=0}while(0);if((t|0)!=(y|0)){y=0;t=0;while(1){f[J+(t<<2)>>2]=y;k=t+1|0;if(k>>>0>>0){y=(f[s+(t<<2)>>2]|0)+y|0;t=k}else break}}t=f[j>>2]|0;j=f[a>>2]|0;y=j;if((t|0)!=(j|0)){k=a+40|0;a=t-j>>2;j=H;t=H;g=H;A=H;p=H;x=H;l=0;o=J;while(1){F=f[y+(l<<2)>>2]|0;G=l+1|0;E=((G>>>0)%3|0|0)==0?l+-2|0:G;if((E|0)==-1)M=-1;else M=f[y+(E<<2)>>2]|0;E=((l>>>0)%3|0|0)==0;G=(E?2:-1)+l|0;if((G|0)==-1)N=-1;else N=f[y+(G<<2)>>2]|0;if(E?(M|0)==(N|0)|((F|0)==(M|0)|(F|0)==(N|0)):0){f[k>>2]=(f[k>>2]|0)+1;O=j;P=t;Q=g;R=A;S=p;T=x;U=l+2|0;V=o}else W=51;a:do if((W|0)==51){W=0;E=f[s+(N<<2)>>2]|0;b:do if((E|0)>0){G=0;B=f[o+(N<<2)>>2]|0;while(1){m=f[p+(B<<3)>>2]|0;if((m|0)==-1){X=j;Y=t;Z=A;_=p;break b}if((m|0)==(M|0)){m=f[p+(B<<3)+4>>2]|0;if((m|0)==-1)$=-1;else $=f[y+(m<<2)>>2]|0;if((F|0)!=($|0))break}m=G+1|0;if((m|0)<(E|0)){G=m;B=B+1|0}else{X=j;Y=t;Z=A;_=p;break b}}m=f[A+(B<<3)+4>>2]|0;r=G;n=B;D=t;while(1){r=r+1|0;if((r|0)>=(E|0))break;C=n+1|0;f[D+(n<<3)>>2]=f[D+(C<<3)>>2];f[D+(n<<3)+4>>2]=f[D+(C<<3)+4>>2];if((f[j+(n<<3)>>2]|0)==-1)break;else{n=C;D=j}}f[g+(n<<3)>>2]=-1;if((m|0)==-1){X=g;Y=g;Z=g;_=g}else{D=f[i>>2]|0;f[D+(l<<2)>>2]=m;f[D+(m<<2)>>2]=l;O=g;P=g;Q=g;R=g;S=g;T=x;U=l;V=o;break a}}else{X=j;Y=t;Z=A;_=p}while(0);E=f[s+(M<<2)>>2]|0;if((E|0)>0){D=0;r=f[J+(M<<2)>>2]|0;while(1){aa=x+(r<<3)|0;if((f[aa>>2]|0)==-1)break;D=D+1|0;if((D|0)>=(E|0)){O=x;P=x;Q=x;R=x;S=x;T=x;U=l;V=J;break a}else r=r+1|0}f[aa>>2]=N;f[H+(r<<3)+4>>2]=l;O=H;P=H;Q=H;R=H;S=H;T=H;U=l;V=J}else{O=X;P=Y;Q=g;R=Z;S=_;T=x;U=l;V=o}}while(0);l=U+1|0;if(l>>>0>=a>>>0)break;else{j=O;t=P;g=Q;A=R;p=S;x=T;o=V}}}f[b>>2]=v;if(!J){ba=H;ca=I}else{if((K|0)!=(J|0))f[z>>2]=K+(~((K+-4-J|0)>>>2)<<2);br(L);L=f[e>>2]|0;ba=L;ca=L}if(ba|0){L=f[w>>2]|0;if((L|0)!=(ba|0))f[w>>2]=L+(~((L+-8-ba|0)>>>3)<<3);br(ca)}ca=f[d>>2]|0;if(ca|0){d=f[q>>2]|0;if((d|0)!=(ca|0))f[q>>2]=d+(~((d+-4-ca|0)>>>2)<<2);br(ca)}h=1;u=c;return h|0}function pc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=Oa,S=Oa,T=Oa,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0;e=u;u=u+48|0;g=e+12|0;h=e+35|0;i=e+32|0;j=e;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)mq(j);p=m<<2;q=dn(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;hj(q|0,0,p|0)|0;f[o>>2]=r;r=f[d>>2]|0;d=c+48|0;p=c+40|0;q=i+1|0;m=i+2|0;s=g+4|0;t=g+12|0;v=g+8|0;w=a+40|0;x=a+64|0;y=0;z=0;while(1){A=d;B=f[A>>2]|0;C=f[A+4>>2]|0;A=p;D=on(f[A>>2]|0,f[A+4>>2]|0,r+y|0,0)|0;A=Tn(D|0,I|0,B|0,C|0)|0;C=(f[f[c>>2]>>2]|0)+A|0;b[h>>0]=b[C>>0]|0;b[h+1>>0]=b[C+1>>0]|0;b[h+2>>0]=b[C+2>>0]|0;Xl(i|0,C|0,3)|0;C=Uf(g,i)|0;if(!C){A=b[i>>0]|0;B=b[q>>0]|0;D=b[m>>0]|0;E=((A&255^318)+239^B&255)+239^D&255;F=f[s>>2]|0;G=(F|0)==0;a:do if(!G){H=F+-1|0;J=(H&F|0)==0;if(!J)if(E>>>0>>0)K=E;else K=(E>>>0)%(F>>>0)|0;else K=E&H;L=f[(f[g>>2]|0)+(K<<2)>>2]|0;if((L|0)!=0?(M=f[L>>2]|0,(M|0)!=0):0){if(J){J=M;while(1){L=f[J+4>>2]|0;if(!((L|0)==(E|0)|(L&H|0)==(K|0))){N=K;O=29;break a}L=J+8|0;if(((b[L>>0]|0)==A<<24>>24?(b[L+1>>0]|0)==B<<24>>24:0)?(b[L+2>>0]|0)==D<<24>>24:0)break a;J=f[J>>2]|0;if(!J){N=K;O=29;break a}}}else P=M;while(1){J=f[P+4>>2]|0;if((J|0)!=(E|0)){if(J>>>0>>0)Q=J;else Q=(J>>>0)%(F>>>0)|0;if((Q|0)!=(K|0)){N=K;O=29;break a}}J=P+8|0;if(((b[J>>0]|0)==A<<24>>24?(b[J+1>>0]|0)==B<<24>>24:0)?(b[J+2>>0]|0)==D<<24>>24:0)break a;P=f[P>>2]|0;if(!P){N=K;O=29;break}}}else{N=K;O=29}}else{N=0;O=29}while(0);if((O|0)==29){O=0;M=dn(16)|0;b[M+8>>0]=A;b[M+9>>0]=B;b[M+10>>0]=D;f[M+12>>2]=z;f[M+4>>2]=E;f[M>>2]=0;R=$(((f[t>>2]|0)+1|0)>>>0);S=$(F>>>0);T=$(n[k>>2]);do if(G|$(T*S)>>0<3|(F+-1&F|0)!=0)&1;H=~~$(W($(R/T)))>>>0;Kh(g,J>>>0>>0?H:J);J=f[s>>2]|0;H=J+-1|0;if(!(H&J)){U=J;V=H&E;break}if(E>>>0>>0){U=J;V=E}else{U=J;V=(E>>>0)%(J>>>0)|0}}else{U=F;V=N}while(0);F=(f[g>>2]|0)+(V<<2)|0;E=f[F>>2]|0;if(!E){f[M>>2]=f[v>>2];f[v>>2]=M;f[F>>2]=v;F=f[M>>2]|0;if(F|0){G=f[F+4>>2]|0;F=U+-1|0;if(F&U)if(G>>>0>>0)X=G;else X=(G>>>0)%(U>>>0)|0;else X=G&F;Y=(f[g>>2]|0)+(X<<2)|0;O=42}}else{f[M>>2]=f[E>>2];Y=E;O=42}if((O|0)==42){O=0;f[Y>>2]=M}f[t>>2]=(f[t>>2]|0)+1}E=w;F=f[E>>2]|0;G=on(F|0,f[E+4>>2]|0,z|0,0)|0;Rg((f[f[x>>2]>>2]|0)+G|0,h|0,F|0)|0;F=f[j>>2]|0;f[F+(y<<2)>>2]=z;Z=z+1|0;_=F}else{F=f[j>>2]|0;f[F+(y<<2)>>2]=f[C+12>>2];Z=z;_=F}y=y+1|0;aa=f[l>>2]|0;if(y>>>0>=aa>>>0)break;else z=Z}if((Z|0)==(aa|0))ba=_;else{z=a+84|0;if(!(b[z>>0]|0)){y=f[a+72>>2]|0;h=f[a+68>>2]|0;x=h;if((y|0)==(h|0))ca=_;else{w=y-h>>2;h=0;do{y=x+(h<<2)|0;f[y>>2]=f[_+(f[y>>2]<<2)>>2];h=h+1|0}while(h>>>0>>0);ca=_}}else{b[z>>0]=0;z=a+68|0;_=a+72|0;w=f[_>>2]|0;h=f[z>>2]|0;x=w-h>>2;y=h;h=w;if(aa>>>0<=x>>>0)if(aa>>>0>>0?(w=y+(aa<<2)|0,(w|0)!=(h|0)):0){f[_>>2]=h+(~((h+-4-w|0)>>>2)<<2);da=aa}else da=aa;else{kh(z,aa-x|0,1204);da=f[l>>2]|0}x=f[j>>2]|0;if(!da)ca=x;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[x+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);ca=x}}f[l>>2]=Z;ba=ca}if(!ba)ea=Z;else{ca=f[o>>2]|0;if((ca|0)!=(ba|0))f[o>>2]=ca+(~((ca+-4-ba|0)>>>2)<<2);br(ba);ea=Z}}else ea=0;Z=f[g+8>>2]|0;if(Z|0){ba=Z;do{Z=ba;ba=f[ba>>2]|0;br(Z)}while((ba|0)!=0)}ba=f[g>>2]|0;f[g>>2]=0;if(!ba){u=e;return ea|0}br(ba);u=e;return ea|0}function qc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0;e=u;u=u+64|0;d=e+48|0;h=e+40|0;i=e+32|0;j=e+16|0;k=e+8|0;l=e;m=e+28|0;n=a+8|0;o=f[n>>2]|0;if((o+-2|0)>>>0<=28){f[a+72>>2]=o;p=1<>2]=p+-1;o=p+-2|0;f[a+80>>2]=o;f[a+84>>2]=(o|0)/2|0}o=a+40|0;f[a+48>>2]=g;g=a+88|0;lk(g);p=a+36|0;q=f[p>>2]|0;r=(f[q+4>>2]|0)-(f[q>>2]|0)|0;s=r>>2;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;t=k;f[t>>2]=0;f[t+4>>2]=0;t=l;f[t>>2]=0;f[t+4>>2]=0;if((r|0)<=0){u=e;return 1}r=j+4|0;t=j+8|0;v=a+84|0;w=a+80|0;x=h+4|0;y=i+4|0;z=d+4|0;A=k+4|0;B=h+4|0;C=i+4|0;D=d+4|0;E=l+4|0;F=a+76|0;a=k+4|0;G=l+4|0;H=f[q>>2]|0;if((f[q+4>>2]|0)==(H|0)){J=q;mq(J)}else{K=0;L=H}while(1){f[m>>2]=f[L+(K<<2)>>2];f[d>>2]=f[m>>2];$b(o,d,j);H=f[j>>2]|0;q=(H|0)>-1?H:0-H|0;M=f[r>>2]|0;N=(M|0)>-1?M:0-M|0;O=Tn(N|0,((N|0)<0)<<31>>31|0,q|0,((q|0)<0)<<31>>31|0)|0;q=f[t>>2]|0;N=(q|0)>-1;P=N?q:0-q|0;q=Tn(O|0,I|0,P|0,((P|0)<0)<<31>>31|0)|0;P=I;if((q|0)==0&(P|0)==0){O=f[v>>2]|0;Q=O;R=j;S=M;T=O}else{O=f[v>>2]|0;U=((O|0)<0)<<31>>31;V=on(O|0,U|0,H|0,((H|0)<0)<<31>>31|0)|0;H=zk(V|0,I|0,q|0,P|0)|0;f[j>>2]=H;V=on(O|0,U|0,M|0,((M|0)<0)<<31>>31|0)|0;M=zk(V|0,I|0,q|0,P|0)|0;f[r>>2]=M;P=O-((H|0)>-1?H:0-H|0)-((M|0)>-1?M:0-M|0)|0;Q=N?P:0-P|0;R=t;S=M;T=O}f[R>>2]=Q;O=f[j>>2]|0;do if((O|0)<=-1){if((S|0)<0){M=f[t>>2]|0;W=(M|0)>-1?M:0-M|0;X=M}else{M=f[t>>2]|0;W=(f[w>>2]|0)-((M|0)>-1?M:0-M|0)|0;X=M}if((X|0)<0){Y=(S|0)>-1?S:0-S|0;Z=W;_=X;break}else{Y=(f[w>>2]|0)-((S|0)>-1?S:0-S|0)|0;Z=W;_=X;break}}else{M=f[t>>2]|0;Y=M+T|0;Z=T+S|0;_=M}while(0);M=(Z|0)==0;P=(Y|0)==0;N=f[w>>2]|0;do if(Y|Z){H=(N|0)==(Y|0);if(!(M&H)){q=(N|0)==(Z|0);if(!(P&q)){if(M&(T|0)<(Y|0)){$=0;aa=(T<<1)-Y|0;break}if(q&(T|0)>(Y|0)){$=Z;aa=(T<<1)-Y|0;break}if(H&(T|0)>(Z|0)){$=(T<<1)-Z|0;aa=Y;break}if(P){$=(T|0)<(Z|0)?(T<<1)-Z|0:Z;aa=0}else{$=Z;aa=Y}}else{$=Z;aa=Z}}else{$=Y;aa=Y}}else{$=N;aa=N}while(0);P=0-S|0;M=0-_|0;f[j>>2]=0-O;f[r>>2]=P;f[t>>2]=M;if((O|0)<1){ba=T-_|0;ca=T-S|0}else{H=(_|0)<1?M:_;M=(S|0)<1?P:S;ba=(_|0)>0?M:N-M|0;ca=(S|0)>0?H:N-H|0}H=(ca|0)==0;M=(ba|0)==0;do if(((ba|ca|0)!=0?(P=(N|0)==(ba|0),!(H&P)):0)?(q=(N|0)==(ca|0),!(M&q)):0){if(H&(T|0)<(ba|0)){da=0;ea=(T<<1)-ba|0;break}if(q&(T|0)>(ba|0)){da=N;ea=(T<<1)-ba|0;break}if(P&(T|0)>(ca|0)){da=(T<<1)-ca|0;ea=N;break}if(M){da=(T|0)<(ca|0)?(T<<1)-ca|0:ca;ea=0}else{da=ca;ea=ba}}else{da=N;ea=N}while(0);N=K<<1;M=b+(N<<2)|0;H=M+4|0;O=f[H>>2]|0;f[h>>2]=f[M>>2];f[x>>2]=O;f[i>>2]=$;f[y>>2]=aa;Dd(d,n,h,i);O=f[d>>2]|0;f[k>>2]=O;P=f[z>>2]|0;f[A>>2]=P;q=f[H>>2]|0;f[h>>2]=f[M>>2];f[B>>2]=q;f[i>>2]=da;f[C>>2]=ea;Dd(d,n,h,i);q=f[d>>2]|0;f[l>>2]=q;M=f[D>>2]|0;f[E>>2]=M;H=f[v>>2]|0;if((H|0)>=(O|0))if((O|0)<(0-H|0))fa=(f[F>>2]|0)+O|0;else fa=O;else fa=O-(f[F>>2]|0)|0;f[k>>2]=fa;if((H|0)>=(P|0))if((P|0)<(0-H|0))ga=(f[F>>2]|0)+P|0;else ga=P;else ga=P-(f[F>>2]|0)|0;f[a>>2]=ga;if((H|0)>=(q|0))if((q|0)<(0-H|0))ha=(f[F>>2]|0)+q|0;else ha=q;else ha=q-(f[F>>2]|0)|0;f[l>>2]=ha;if((H|0)>=(M|0))if((M|0)<(0-H|0))ia=(f[F>>2]|0)+M|0;else ia=M;else ia=M-(f[F>>2]|0)|0;f[G>>2]=ia;if((((ga|0)>-1?ga:0-ga|0)+((fa|0)>-1?fa:0-fa|0)|0)<(((ha|0)>-1?ha:0-ha|0)+((ia|0)>-1?ia:0-ia|0)|0)){Vi(g,0);ja=k}else{Vi(g,1);ja=l}M=f[ja>>2]|0;if((M|0)<0)ka=(f[F>>2]|0)+M|0;else ka=M;M=c+(N<<2)|0;f[M>>2]=ka;N=f[ja+4>>2]|0;if((N|0)<0)la=(f[F>>2]|0)+N|0;else la=N;f[M+4>>2]=la;K=K+1|0;if((K|0)>=(s|0)){ma=5;break}M=f[p>>2]|0;L=f[M>>2]|0;if((f[M+4>>2]|0)-L>>2>>>0<=K>>>0){J=M;ma=6;break}}if((ma|0)==5){u=e;return 1}else if((ma|0)==6)mq(J);return 0}function rc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=Oa,T=Oa,U=Oa,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0;e=u;u=u+64|0;g=e+36|0;h=e+24|0;i=e+12|0;j=e;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)mq(j);p=m<<2;q=dn(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;hj(q|0,0,p|0)|0;f[o>>2]=r;r=f[d>>2]|0;d=c+48|0;p=c+40|0;q=i+4|0;m=i+8|0;s=g+4|0;t=g+12|0;v=g+8|0;w=a+40|0;x=a+64|0;y=0;z=0;while(1){A=d;B=f[A>>2]|0;C=f[A+4>>2]|0;A=p;D=on(f[A>>2]|0,f[A+4>>2]|0,r+z|0,0)|0;A=Tn(D|0,I|0,B|0,C|0)|0;C=(f[f[c>>2]>>2]|0)+A|0;A=h;B=C;D=A+12|0;do{b[A>>0]=b[B>>0]|0;A=A+1|0;B=B+1|0}while((A|0)<(D|0));Xl(i|0,C|0,12)|0;B=_f(g,i)|0;if(!B){A=f[i>>2]|0;D=f[q>>2]|0;E=f[m>>2]|0;F=((A^318)+239^D)+239^E;G=f[s>>2]|0;H=(G|0)==0;a:do if(!H){J=G+-1|0;K=(J&G|0)==0;if(!K)if(F>>>0>>0)L=F;else L=(F>>>0)%(G>>>0)|0;else L=F&J;M=f[(f[g>>2]|0)+(L<<2)>>2]|0;if((M|0)!=0?(N=f[M>>2]|0,(N|0)!=0):0){if(K){K=N;while(1){M=f[K+4>>2]|0;if(!((M|0)==(F|0)|(M&J|0)==(L|0))){O=L;P=29;break a}if(((f[K+8>>2]|0)==(A|0)?(f[K+12>>2]|0)==(D|0):0)?(f[K+16>>2]|0)==(E|0):0)break a;K=f[K>>2]|0;if(!K){O=L;P=29;break a}}}else Q=N;while(1){K=f[Q+4>>2]|0;if((K|0)!=(F|0)){if(K>>>0>>0)R=K;else R=(K>>>0)%(G>>>0)|0;if((R|0)!=(L|0)){O=L;P=29;break a}}if(((f[Q+8>>2]|0)==(A|0)?(f[Q+12>>2]|0)==(D|0):0)?(f[Q+16>>2]|0)==(E|0):0)break a;Q=f[Q>>2]|0;if(!Q){O=L;P=29;break}}}else{O=L;P=29}}else{O=0;P=29}while(0);if((P|0)==29){P=0;C=dn(24)|0;f[C+8>>2]=A;f[C+12>>2]=D;f[C+16>>2]=E;f[C+20>>2]=y;f[C+4>>2]=F;f[C>>2]=0;S=$(((f[t>>2]|0)+1|0)>>>0);T=$(G>>>0);U=$(n[k>>2]);do if(H|$(U*T)>>0<3|(G+-1&G|0)!=0)&1;K=~~$(W($(S/U)))>>>0;Hh(g,N>>>0>>0?K:N);N=f[s>>2]|0;K=N+-1|0;if(!(K&N)){V=N;X=K&F;break}if(F>>>0>>0){V=N;X=F}else{V=N;X=(F>>>0)%(N>>>0)|0}}else{V=G;X=O}while(0);G=(f[g>>2]|0)+(X<<2)|0;F=f[G>>2]|0;if(!F){f[C>>2]=f[v>>2];f[v>>2]=C;f[G>>2]=v;G=f[C>>2]|0;if(G|0){H=f[G+4>>2]|0;G=V+-1|0;if(G&V)if(H>>>0>>0)Y=H;else Y=(H>>>0)%(V>>>0)|0;else Y=H&G;Z=(f[g>>2]|0)+(Y<<2)|0;P=42}}else{f[C>>2]=f[F>>2];Z=F;P=42}if((P|0)==42){P=0;f[Z>>2]=C}f[t>>2]=(f[t>>2]|0)+1}F=w;G=f[F>>2]|0;H=on(G|0,f[F+4>>2]|0,y|0,0)|0;Rg((f[f[x>>2]>>2]|0)+H|0,h|0,G|0)|0;G=f[j>>2]|0;f[G+(z<<2)>>2]=y;_=y+1|0;aa=G}else{G=f[j>>2]|0;f[G+(z<<2)>>2]=f[B+20>>2];_=y;aa=G}z=z+1|0;ba=f[l>>2]|0;if(z>>>0>=ba>>>0)break;else y=_}if((_|0)==(ba|0))ca=aa;else{y=a+84|0;if(!(b[y>>0]|0)){z=f[a+72>>2]|0;h=f[a+68>>2]|0;x=h;if((z|0)==(h|0))da=aa;else{w=z-h>>2;h=0;do{z=x+(h<<2)|0;f[z>>2]=f[aa+(f[z>>2]<<2)>>2];h=h+1|0}while(h>>>0>>0);da=aa}}else{b[y>>0]=0;y=a+68|0;aa=a+72|0;w=f[aa>>2]|0;h=f[y>>2]|0;x=w-h>>2;z=h;h=w;if(ba>>>0<=x>>>0)if(ba>>>0>>0?(w=z+(ba<<2)|0,(w|0)!=(h|0)):0){f[aa>>2]=h+(~((h+-4-w|0)>>>2)<<2);ea=ba}else ea=ba;else{kh(y,ba-x|0,1204);ea=f[l>>2]|0}x=f[j>>2]|0;if(!ea)da=x;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[x+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);da=x}}f[l>>2]=_;ca=da}if(!ca)fa=_;else{da=f[o>>2]|0;if((da|0)!=(ca|0))f[o>>2]=da+(~((da+-4-ca|0)>>>2)<<2);br(ca);fa=_}}else fa=0;_=f[g+8>>2]|0;if(_|0){ca=_;do{_=ca;ca=f[ca>>2]|0;br(_)}while((ca|0)!=0)}ca=f[g>>2]|0;f[g>>2]=0;if(!ca){u=e;return fa|0}br(ca);u=e;return fa|0}function sc(a,c){a=a|0;c=c|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0;e=u;u=u+32|0;g=e+4|0;h=e;i=e+16|0;j=c+56|0;k=f[j>>2]|0;l=(f[k+100>>2]|0)-(f[k+96>>2]|0)|0;k=(l|0)/12|0;m=c+44|0;Nh(k,f[m>>2]|0)|0;Nh(f[(f[j>>2]|0)+80>>2]|0,f[m>>2]|0)|0;n=f[c+48>>2]|0;o=dn(32)|0;f[g>>2]=o;f[g+8>>2]=-2147483616;f[g+4>>2]=21;p=o;q=14562;r=p+21|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[o+21>>0]=0;o=Oj(n,g,0)|0;if((b[g+11>>0]|0)<0)br(f[g>>2]|0);n=f[m>>2]|0;if(o){b[i>>0]=0;o=n+16|0;q=f[o+4>>2]|0;if(!((q|0)>0|(q|0)==0&(f[o>>2]|0)>>>0>0)){f[h>>2]=f[n+4>>2];f[g>>2]=f[h>>2];ye(n,g,i,i+1|0)|0}Ye(c)|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}b[i>>0]=1;c=n+16|0;o=f[c+4>>2]|0;if(!((o|0)>0|(o|0)==0&(f[c>>2]|0)>>>0>0)){f[h>>2]=f[n+4>>2];f[g>>2]=f[h>>2];ye(n,g,i,i+1|0)|0}n=f[j>>2]|0;c=f[n+80>>2]|0;if(c>>>0<256){if(!l){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}o=i+1|0;q=i+1|0;p=i+1|0;r=0;s=n;while(1){t=f[s+96>>2]|0;v=f[m>>2]|0;b[i>>0]=f[t+(r*12|0)>>2];w=v+16|0;x=f[w>>2]|0;y=f[w+4>>2]|0;if((y|0)>0|(y|0)==0&x>>>0>0){z=x;A=v;B=y}else{f[h>>2]=f[v+4>>2];f[g>>2]=f[h>>2];ye(v,g,i,p)|0;v=f[m>>2]|0;y=v+16|0;z=f[y>>2]|0;A=v;B=f[y+4>>2]|0}b[i>>0]=f[t+(r*12|0)+4>>2];if((B|0)>0|(B|0)==0&z>>>0>0){C=B;D=z;E=A}else{f[h>>2]=f[A+4>>2];f[g>>2]=f[h>>2];ye(A,g,i,q)|0;y=f[m>>2]|0;v=y+16|0;C=f[v+4>>2]|0;D=f[v>>2]|0;E=y}b[i>>0]=f[t+(r*12|0)+8>>2];if(!((C|0)>0|(C|0)==0&D>>>0>0)){f[h>>2]=f[E+4>>2];f[g>>2]=f[h>>2];ye(E,g,i,o)|0}t=r+1|0;if(t>>>0>=k>>>0)break;r=t;s=f[j>>2]|0}f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}if(c>>>0<65536){if(!l){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}s=i+2|0;r=i+2|0;o=i+2|0;E=0;D=n;while(1){C=f[D+96>>2]|0;q=f[m>>2]|0;d[i>>1]=f[C+(E*12|0)>>2];A=q+16|0;z=f[A>>2]|0;B=f[A+4>>2]|0;if((B|0)>0|(B|0)==0&z>>>0>0){F=B;G=z;H=q}else{f[h>>2]=f[q+4>>2];f[g>>2]=f[h>>2];ye(q,g,i,o)|0;q=f[m>>2]|0;z=q+16|0;F=f[z+4>>2]|0;G=f[z>>2]|0;H=q}d[i>>1]=f[C+(E*12|0)+4>>2];if((F|0)>0|(F|0)==0&G>>>0>0){I=F;J=G;K=H}else{f[h>>2]=f[H+4>>2];f[g>>2]=f[h>>2];ye(H,g,i,r)|0;q=f[m>>2]|0;z=q+16|0;I=f[z+4>>2]|0;J=f[z>>2]|0;K=q}d[i>>1]=f[C+(E*12|0)+8>>2];if(!((I|0)>0|(I|0)==0&J>>>0>0)){f[h>>2]=f[K+4>>2];f[g>>2]=f[h>>2];ye(K,g,i,s)|0}C=E+1|0;if(C>>>0>=k>>>0)break;E=C;D=f[j>>2]|0}f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}D=(l|0)!=0;if(c>>>0<2097152){if(D){L=0;M=n}else{f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}while(1){c=f[M+96>>2]|0;Nh(f[c+(L*12|0)>>2]|0,f[m>>2]|0)|0;Nh(f[c+(L*12|0)+4>>2]|0,f[m>>2]|0)|0;Nh(f[c+(L*12|0)+8>>2]|0,f[m>>2]|0)|0;c=L+1|0;if(c>>>0>=k>>>0)break;L=c;M=f[j>>2]|0}f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}if(!D){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}D=0;M=n;while(1){n=(f[M+96>>2]|0)+(D*12|0)|0;L=f[m>>2]|0;c=L+16|0;l=f[c+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[c>>2]|0)>>>0>0)){f[h>>2]=f[L+4>>2];f[g>>2]=f[h>>2];ye(L,g,n,n+12|0)|0}n=D+1|0;if(n>>>0>=k>>>0)break;D=n;M=f[j>>2]|0}f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}function tc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0;e=u;u=u+32|0;g=e+16|0;h=e+12|0;i=e+8|0;j=e+4|0;k=e;switch(f[c+28>>2]|0){case 9:{l=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=l;f[g>>2]=f[h>>2];m=ec(a,c,g)|0;break}case 2:{f[i>>2]=l;f[g>>2]=f[i>>2];m=Xb(a,c,g)|0;break}case 3:{f[j>>2]=l;f[g>>2]=f[j>>2];m=rc(a,c,g)|0;break}case 4:{f[k>>2]=l;f[g>>2]=f[k>>2];m=jc(a,c,g)|0;break}default:m=0}n=m;break}case 1:{m=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=m;f[g>>2]=f[h>>2];o=dc(a,c,g)|0;break}case 2:{f[i>>2]=m;f[g>>2]=f[i>>2];o=Yb(a,c,g)|0;break}case 3:{f[j>>2]=m;f[g>>2]=f[j>>2];o=pc(a,c,g)|0;break}case 4:{f[k>>2]=m;f[g>>2]=f[k>>2];o=ic(a,c,g)|0;break}default:o=0}n=o;break}case 11:case 2:{o=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=o;f[g>>2]=f[h>>2];p=dc(a,c,g)|0;break}case 2:{f[i>>2]=o;f[g>>2]=f[i>>2];p=Yb(a,c,g)|0;break}case 3:{f[j>>2]=o;f[g>>2]=f[j>>2];p=pc(a,c,g)|0;break}case 4:{f[k>>2]=o;f[g>>2]=f[k>>2];p=ic(a,c,g)|0;break}default:p=0}n=p;break}case 4:{p=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=p;f[g>>2]=f[h>>2];q=bc(a,c,g)|0;break}case 2:{f[i>>2]=p;f[g>>2]=f[i>>2];q=Vb(a,c,g)|0;break}case 3:{f[j>>2]=p;f[g>>2]=f[j>>2];q=kc(a,c,g)|0;break}case 4:{f[k>>2]=p;f[g>>2]=f[k>>2];q=gc(a,c,g)|0;break}default:q=0}n=q;break}case 3:{q=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=q;f[g>>2]=f[h>>2];r=bc(a,c,g)|0;break}case 2:{f[i>>2]=q;f[g>>2]=f[i>>2];r=Vb(a,c,g)|0;break}case 3:{f[j>>2]=q;f[g>>2]=f[j>>2];r=kc(a,c,g)|0;break}case 4:{f[k>>2]=q;f[g>>2]=f[k>>2];r=gc(a,c,g)|0;break}default:r=0}n=r;break}case 6:{r=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=r;f[g>>2]=f[h>>2];s=ec(a,c,g)|0;break}case 2:{f[i>>2]=r;f[g>>2]=f[i>>2];s=Xb(a,c,g)|0;break}case 3:{f[j>>2]=r;f[g>>2]=f[j>>2];s=rc(a,c,g)|0;break}case 4:{f[k>>2]=r;f[g>>2]=f[k>>2];s=jc(a,c,g)|0;break}default:s=0}n=s;break}case 5:{s=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=s;f[g>>2]=f[h>>2];t=ec(a,c,g)|0;break}case 2:{f[i>>2]=s;f[g>>2]=f[i>>2];t=Xb(a,c,g)|0;break}case 3:{f[j>>2]=s;f[g>>2]=f[j>>2];t=rc(a,c,g)|0;break}case 4:{f[k>>2]=s;f[g>>2]=f[k>>2];t=jc(a,c,g)|0;break}default:t=0}n=t;break}default:{v=-1;u=e;return v|0}}v=(n|0)==0?-1:n;u=e;return v|0}function uc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;e=u;u=u+32|0;g=e+16|0;h=e+12|0;i=e+29|0;j=e;k=e+28|0;if(!(f[(f[a+8>>2]|0)+80>>2]|0)){l=1;u=e;return l|0}b[i>>0]=-2;m=a+36|0;n=f[m>>2]|0;if(n)if(Ra[f[(f[a>>2]|0)+40>>2]&127](a,n)|0){n=f[m>>2]|0;o=(Qa[f[(f[n>>2]|0)+8>>2]&127](n)|0)&255;b[i>>0]=o;p=5}else q=0;else p=5;if((p|0)==5){o=d+16|0;n=o;r=f[n+4>>2]|0;if(!((r|0)>0|(r|0)==0&(f[n>>2]|0)>>>0>0)){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];ye(d,g,i,i+1|0)|0}i=f[m>>2]|0;if(i|0?(n=(Qa[f[(f[i>>2]|0)+36>>2]&127](i)|0)&255,b[j>>0]=n,n=o,i=f[n+4>>2]|0,!((i|0)>0|(i|0)==0&(f[n>>2]|0)>>>0>0)):0){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];ye(d,g,j,j+1|0)|0}n=f[a+32>>2]|0;i=b[n+24>>0]|0;r=X(f[n+80>>2]|0,i)|0;s=(f[f[n>>2]>>2]|0)+(f[n+48>>2]|0)|0;f[j>>2]=0;n=j+4|0;f[n>>2]=0;f[j+8>>2]=0;t=(r|0)==0;do if(!t)if(r>>>0>1073741823)mq(j);else{v=r<<2;w=dn(v)|0;f[j>>2]=w;x=w+(r<<2)|0;f[j+8>>2]=x;hj(w|0,0,v|0)|0;f[n>>2]=x;y=w;break}else y=0;while(0);w=f[m>>2]|0;do if(w){Ta[f[(f[w>>2]|0)+44>>2]&31](w,s,y,r,i,f[c>>2]|0)|0;x=f[m>>2]|0;if(!x){z=s;A=f[j>>2]|0;p=20;break}if(!(Qa[f[(f[x>>2]|0)+32>>2]&127](x)|0)){x=f[j>>2]|0;z=f[m>>2]|0?x:s;A=x;p=20}}else{z=s;A=y;p=20}while(0);if((p|0)==20)km(z,r,A);A=a+4|0;a=f[A>>2]|0;do if(a){z=f[a+48>>2]|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;y=dn(48)|0;f[g>>2]=y;f[g+8>>2]=-2147483600;f[g+4>>2]=34;s=y;w=9835;x=s+34|0;do{b[s>>0]=b[w>>0]|0;s=s+1|0;w=w+1|0}while((s|0)<(x|0));b[y+34>>0]=0;w=Oj(z,g,1)|0;if((b[g+11>>0]|0)<0)br(f[g>>2]|0);if(!w){if(!t){w=f[j>>2]|0;s=0;x=0;do{x=f[w+(s<<2)>>2]|x;s=s+1|0}while((s|0)!=(r|0));if(x)B=((_(x|0)|0)>>>3^3)+1|0;else B=1}else B=1;b[k>>0]=0;s=o;w=f[s>>2]|0;z=f[s+4>>2]|0;if((z|0)>0|(z|0)==0&w>>>0>0){C=z;D=w}else{f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];ye(d,g,k,k+1|0)|0;w=o;C=f[w+4>>2]|0;D=f[w>>2]|0}b[k>>0]=B;if(!((C|0)>0|(C|0)==0&D>>>0>0)){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];ye(d,g,k,k+1|0)|0}if((B|0)==(Ll(5)|0)){w=f[j>>2]|0;z=o;s=f[z+4>>2]|0;if(!((s|0)>0|(s|0)==0&(f[z>>2]|0)>>>0>0)){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];ye(d,g,w,w+(r<<2)|0)|0}p=48;break}if(t)p=48;else{w=d+4|0;z=0;do{s=(f[j>>2]|0)+(z<<2)|0;y=o;v=f[y+4>>2]|0;if(!((v|0)>0|(v|0)==0&(f[y>>2]|0)>>>0>0)){f[h>>2]=f[w>>2];f[g>>2]=f[h>>2];ye(d,g,s,s+B|0)|0}z=z+1|0}while(z>>>0>>0);p=48}}else p=27}else p=27;while(0);if((p|0)==27){b[k>>0]=1;r=o;o=f[r+4>>2]|0;if(!((o|0)>0|(o|0)==0&(f[r>>2]|0)>>>0>0)){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];ye(d,g,k,k+1|0)|0}wp(g);k=f[A>>2]|0;if(k|0)Pj(g,10-(Yh(f[k+48>>2]|0)|0)|0)|0;k=Dc(f[j>>2]|0,X((f[c+4>>2]|0)-(f[c>>2]|0)>>2,i)|0,i,g,d)|0;sj(g,f[g+4>>2]|0);if(k)p=48;else E=0}if((p|0)==48){p=f[m>>2]|0;if(!p)E=1;else{Ra[f[(f[p>>2]|0)+40>>2]&127](p,d)|0;E=1}}d=f[j>>2]|0;if(d|0){j=f[n>>2]|0;if((j|0)!=(d|0))f[n>>2]=j+(~((j+-4-d|0)>>>2)<<2);br(d)}q=E}l=q;u=e;return l|0}function vc(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0;b=u;u=u+48|0;c=b+24|0;d=b+12|0;e=b;g=a+32|0;h=a+8|0;i=a+12|0;j=f[i>>2]|0;k=f[h>>2]|0;l=j-k>>2;m=a+36|0;n=f[m>>2]|0;o=f[g>>2]|0;p=n-o>>2;q=o;o=n;n=k;if(l>>>0<=p>>>0)if(l>>>0

>>0?(r=q+(l<<2)|0,(r|0)!=(o|0)):0){f[m>>2]=o+(~((o+-4-r|0)>>>2)<<2);s=n;t=k;v=j}else{s=n;t=k;v=j}else{oi(g,l-p|0);p=f[h>>2]|0;s=p;t=p;v=f[i>>2]|0}p=v-t|0;l=p>>2;f[c>>2]=0;j=c+4|0;f[j>>2]=0;k=c+8|0;f[k>>2]=0;if(l|0){if((p|0)<0)mq(c);p=((l+-1|0)>>>5)+1|0;n=dn(p<<2)|0;f[c>>2]=n;f[k>>2]=p;f[j>>2]=l;j=l>>>5;hj(n|0,0,j<<2|0)|0;p=l&31;l=n+(j<<2)|0;if(p|0)f[l>>2]=f[l>>2]&~(-1>>>(32-p|0))}p=a+20|0;l=0;j=s;s=t;t=v;while(1){if(l>>>0>2>>>0){w=0;x=0;y=l;z=s;A=j}else{B=25;break}while(1){v=x>>>5;n=1<<(x&31);do if(!(f[(f[c>>2]|0)+(v<<2)>>2]&n)){k=f[A+(x<<2)>>2]|0;if((f[k+8>>2]|0)!=(f[k+4>>2]|0)){r=0;o=1;m=A;q=k;while(1){k=f[(f[q+4>>2]|0)+(r<<2)>>2]|0;C=0;D=m;while(1){E=f[D+(x<<2)>>2]|0;if((C|0)>=(Ra[f[(f[E>>2]|0)+24>>2]&127](E,k)|0)){F=o;break}E=f[(f[h>>2]|0)+(x<<2)>>2]|0;G=Sa[f[(f[E>>2]|0)+28>>2]&31](E,k,C)|0;if((G|0)!=(x|0)?(E=f[(f[p>>2]|0)+(G<<2)>>2]|0,(1<<(E&31)&f[(f[c>>2]|0)+(E>>>5<<2)>>2]|0)==0):0){F=0;break}C=C+1|0;D=f[h>>2]|0}r=r+1|0;m=f[h>>2]|0;q=f[m+(x<<2)>>2]|0;if(r>>>0>=(f[q+8>>2]|0)-(f[q+4>>2]|0)>>2>>>0)break;else o=F}o=m;if(F)H=o;else{I=w;J=y;K=o;break}}else H=z;f[(f[g>>2]|0)+(y<<2)>>2]=x;o=(f[c>>2]|0)+(v<<2)|0;f[o>>2]=f[o>>2]|n;I=1;J=y+1|0;K=H}else{I=w;J=y;K=z}while(0);x=x+1|0;L=f[i>>2]|0;M=L-K>>2;A=K;if(x>>>0>=M>>>0)break;else{w=I;y=J;z=K}}if(J>>>0>>0&(I^1)){N=0;break}else{l=J;j=A;s=K;t=L}}if((B|0)==25){f[d>>2]=0;B=d+4|0;f[B>>2]=0;f[d+8>>2]=0;L=f[a+4>>2]|0;a=(f[L+12>>2]|0)-(f[L+8>>2]|0)|0;L=a>>2;f[e>>2]=0;K=e+4|0;f[K>>2]=0;A=e+8|0;f[A>>2]=0;if(L|0){if((a|0)<0)mq(e);a=((L+-1|0)>>>5)+1|0;J=dn(a<<2)|0;f[e>>2]=J;f[A>>2]=a;f[K>>2]=L;K=L>>>5;hj(J|0,0,K<<2|0)|0;a=L&31;L=J+(K<<2)|0;if(a|0)f[L>>2]=f[L>>2]&~(-1>>>(32-a|0))}a:do if((t|0)==(s|0))O=1;else{a=0;L=j;K=s;J=t;while(1){A=f[(f[g>>2]|0)+(a<<2)>>2]|0;l=f[L+(A<<2)>>2]|0;I=(f[l+8>>2]|0)-(f[l+4>>2]|0)|0;l=I>>2;if((I|0)<8){P=K;Q=J}else{I=f[B>>2]|0;M=f[d>>2]|0;z=I-M>>2;y=M;M=I;if(l>>>0<=z>>>0)if(l>>>0>>0?(I=y+(l<<2)|0,(I|0)!=(M|0)):0){f[B>>2]=M+(~((M+-4-I|0)>>>2)<<2);R=0}else R=0;else{oi(d,l-z|0);R=0}while(1){if((R|0)<(l|0)){S=0;T=0;U=R}else break;while(1){z=f[(f[h>>2]|0)+(A<<2)>>2]|0;I=f[(f[z+4>>2]|0)+(S<<2)>>2]|0;M=S>>>5;y=1<<(S&31);if(!(f[(f[e>>2]|0)+(M<<2)>>2]&y)){w=0;x=1;H=z;while(1){if((w|0)>=(Ra[f[(f[H>>2]|0)+24>>2]&127](H,I)|0)){V=x;break}z=f[(f[h>>2]|0)+(A<<2)>>2]|0;F=Sa[f[(f[z>>2]|0)+28>>2]&31](z,I,w)|0;z=(f[(f[e>>2]|0)+(F>>>5<<2)>>2]&1<<(F&31)|0)!=0;F=x&z;if(!z){V=F;break}w=w+1|0;x=F;H=f[(f[h>>2]|0)+(A<<2)>>2]|0}if(V){f[(f[d>>2]|0)+(U<<2)>>2]=S;H=(f[e>>2]|0)+(M<<2)|0;f[H>>2]=f[H>>2]|y;W=1;X=U+1|0}else{W=T;X=U}}else{W=T;X=U}S=S+1|0;if((S|0)>=(l|0))break;else{T=W;U=X}}if(W|(X|0)>=(l|0))R=X;else{O=0;break a}}Of(f[(f[h>>2]|0)+(A<<2)>>2]|0,d);P=f[h>>2]|0;Q=f[i>>2]|0}a=a+1|0;if(a>>>0>=Q-P>>2>>>0){O=1;break}else{L=P;K=P;J=Q}}}while(0);Q=f[e>>2]|0;if(Q|0)br(Q);Q=f[d>>2]|0;if(Q|0){d=f[B>>2]|0;if((d|0)!=(Q|0))f[B>>2]=d+(~((d+-4-Q|0)>>>2)<<2);br(Q)}N=O}O=f[c>>2]|0;if(!O){u=b;return N|0}br(O);u=b;return N|0} +function uj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0;e=u;u=u+16|0;g=e;h=a+4|0;f[h>>2]=c;i=f[c+64>>2]|0;c=((f[i+4>>2]|0)-(f[i>>2]|0)>>2>>>0)/3|0;b[g>>0]=0;Xg(a+24|0,c,g);c=f[h>>2]|0;h=(f[c+56>>2]|0)-(f[c+52>>2]|0)>>2;b[g>>0]=0;Xg(a+36|0,h,g);g=a+8|0;f[g>>2]=f[d>>2];f[g+4>>2]=f[d+4>>2];f[g+8>>2]=f[d+8>>2];f[g+12>>2]=f[d+12>>2];u=e;return}function vj(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;c=a;a:do if(!(c&3)){d=a;e=4}else{g=a;h=c;while(1){if(!(b[g>>0]|0)){i=h;break a}j=g+1|0;h=j;if(!(h&3)){d=j;e=4;break}else g=j}}while(0);if((e|0)==4){e=d;while(1){k=f[e>>2]|0;if(!((k&-2139062144^-2139062144)&k+-16843009))e=e+4|0;else break}if(!((k&255)<<24>>24))l=e;else{k=e;while(1){e=k+1|0;if(!(b[e>>0]|0)){l=e;break}else k=e}}i=l}return i-c|0}function wj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=u;u=u+16|0;g=e;h=a+11|0;i=b[h>>0]|0;j=i<<24>>24<0;if(j)k=f[a+4>>2]|0;else k=i&255;do if(k>>>0>=c>>>0)if(j){i=(f[a>>2]|0)+c|0;b[g>>0]=0;Hp(i,g);f[a+4>>2]=c;break}else{b[g>>0]=0;Hp(a+c|0,g);b[h>>0]=c;break}else Xi(a,c-k|0,d)|0;while(0);u=e;return}function xj(a){a=a|0;var b=0,c=0,d=0;if(!a)return;b=a+88|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0){b=f[c+8>>2]|0;if(b|0){d=c+12|0;if((f[d>>2]|0)!=(b|0))f[d>>2]=b;br(b)}br(c)}c=f[a+68>>2]|0;if(c|0){b=a+72|0;d=f[b>>2]|0;if((d|0)!=(c|0))f[b>>2]=d+(~((d+-4-c|0)>>>2)<<2);br(c)}c=a+64|0;d=f[c>>2]|0;f[c>>2]=0;if(d|0){c=f[d>>2]|0;if(c|0){b=d+4|0;if((f[b>>2]|0)!=(c|0))f[b>>2]=c;br(c)}br(d)}br(a);return}function yj(a,c,d,e,g,h,i,j,k,l){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;j=j|0;k=k|0;l=l|0;var m=0,n=0,o=0;f[a>>2]=d;if(d|0){m=d+16|0;n=f[m+4>>2]|0;o=a+8|0;f[o>>2]=f[m>>2];f[o+4>>2]=n;n=d+24|0;d=f[n+4>>2]|0;o=a+16|0;f[o>>2]=f[n>>2];f[o+4>>2]=d}b[a+24>>0]=e;f[a+28>>2]=g;b[a+32>>0]=h&1;h=a+40|0;f[h>>2]=i;f[h+4>>2]=j;j=a+48|0;f[j>>2]=k;f[j+4>>2]=l;f[a+56>>2]=c;return}function zj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;if((f[c+76>>2]|0)>=0?(gr(c)|0)!=0:0){d=a&255;e=a&255;if((e|0)!=(b[c+75>>0]|0)?(g=c+20|0,h=f[g>>2]|0,h>>>0<(f[c+16>>2]|0)>>>0):0){f[g>>2]=h+1;b[h>>0]=d;i=e}else i=Bj(c,a)|0;fr(c);j=i}else k=3;do if((k|0)==3){i=a&255;e=a&255;if((e|0)!=(b[c+75>>0]|0)?(d=c+20|0,h=f[d>>2]|0,h>>>0<(f[c+16>>2]|0)>>>0):0){f[d>>2]=h+1;b[h>>0]=i;j=e;break}j=Bj(c,a)|0}while(0);return j|0}function Aj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;i=f[a+4>>2]|0;if((i|0)==-1){j=0;u=d;return j|0}b[h>>0]=i;i=c+16|0;a=f[i+4>>2]|0;if(!((a|0)>0|(a|0)==0&(f[i>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];ye(c,e,h,h+1|0)|0}j=1;u=d;return j|0}function Bj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0;d=u;u=u+16|0;e=d;g=c&255;b[e>>0]=g;i=a+16|0;j=f[i>>2]|0;if(!j)if(!(pl(a)|0)){k=f[i>>2]|0;l=4}else m=-1;else{k=j;l=4}do if((l|0)==4){j=a+20|0;i=f[j>>2]|0;if(i>>>0>>0?(n=c&255,(n|0)!=(b[a+75>>0]|0)):0){f[j>>2]=i+1;b[i>>0]=g;m=n;break}if((Sa[f[a+36>>2]&31](a,e,1)|0)==1)m=h[e>>0]|0;else m=-1}while(0);u=d;return m|0}function Cj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0;c=dn(88)|0;d=c+60|0;e=c;g=e+60|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));f[d>>2]=c;d=c+64|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;d=Kf(c,b)|0;f[a>>2]=d?c:0;a=d?0:c;if(d)return;ui(a);br(a);return}function Dj(a,b){a=a|0;b=b|0;if(!b)return;else{Dj(a,f[b>>2]|0);Dj(a,f[b+4>>2]|0);sj(b+20|0,f[b+24>>2]|0);br(b);return}}function Ej(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0;e=u;u=u+16|0;g=e;h=a+4|0;f[h>>2]=c;i=((f[c+4>>2]|0)-(f[c>>2]|0)>>2>>>0)/3|0;b[g>>0]=0;Xg(a+24|0,i,g);i=f[h>>2]|0;h=(f[i+28>>2]|0)-(f[i+24>>2]|0)>>2;b[g>>0]=0;Xg(a+36|0,h,g);g=a+8|0;f[g>>2]=f[d>>2];f[g+4>>2]=f[d+4>>2];f[g+8>>2]=f[d+8>>2];f[g+12>>2]=f[d+12>>2];u=e;return}function Fj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=u;u=u+16|0;g=e;h=e+4|0;f[g>>2]=c;c=a+4|0;a=dn(32)|0;f[h>>2]=a;f[h+8>>2]=-2147483616;f[h+4>>2]=17;i=a;j=12932;k=i+17|0;do{b[i>>0]=b[j>>0]|0;i=i+1|0;j=j+1|0}while((i|0)<(k|0));b[a+17>>0]=0;Nj(wd(c,g)|0,h,d);if((b[h+11>>0]|0)>=0){u=e;return}br(f[h>>2]|0);u=e;return}function Gj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=f[a+16>>2]|0;if(((f[a+20>>2]|0)-c>>2|0)<=(b|0)){d=0;return d|0}e=f[c+(b<<2)>>2]|0;if((e|0)<0){d=0;return d|0}b=a+48|0;if((f[a+52>>2]|0)>>>0<=e>>>0)pe(b,e+1|0,0);c=(f[b>>2]|0)+(e>>>5<<2)|0;f[c>>2]=f[c>>2]|1<<(e&31);c=f[a+36>>2]|0;if((f[a+40>>2]|0)-c>>2>>>0<=e>>>0){d=1;return d|0}Pp(f[c+(e<<2)>>2]|0);d=1;return d|0}function Hj(a){a=a|0;if(!a)return;f[a>>2]=1136;sj(a+28|0,f[a+32>>2]|0);nj(a+16|0,f[a+20>>2]|0);sj(a+4|0,f[a+8>>2]|0);br(a);return}function Ij(a){a=a|0;f[a>>2]=1136;sj(a+28|0,f[a+32>>2]|0);nj(a+16|0,f[a+20>>2]|0);sj(a+4|0,f[a+8>>2]|0);return}function Jj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0;if(c>>>0>0|(c|0)==0&a>>>0>4294967295){e=d;f=a;g=c;while(1){c=an(f|0,g|0,10,0)|0;e=e+-1|0;b[e>>0]=c&255|48;c=f;f=up(f|0,g|0,10,0)|0;if(!(g>>>0>9|(g|0)==9&c>>>0>4294967295))break;else g=I}h=f;i=e}else{h=a;i=d}if(!h)j=i;else{d=h;h=i;while(1){i=h+-1|0;b[i>>0]=(d>>>0)%10|0|48;if(d>>>0<10){j=i;break}else{d=(d>>>0)/10|0;h=i}}}return j|0}function Kj(a){a=a|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;c=a;while(1){d=c+1|0;if(!(tq(b[c>>0]|0)|0))break;else c=d}a=b[c>>0]|0;switch(a<<24>>24|0){case 45:{e=1;f=5;break}case 43:{e=0;f=5;break}default:{g=0;h=c;i=a}}if((f|0)==5){g=e;h=d;i=b[d>>0]|0}if(!(Pq(i<<24>>24)|0))j=0;else{i=0;d=h;while(1){h=(i*10|0)+48-(b[d>>0]|0)|0;d=d+1|0;if(!(Pq(b[d>>0]|0)|0)){j=h;break}else i=h}}return (g|0?j:0-j|0)|0}function Lj(a,c,d){a=a|0;c=c|0;d=$(d);var e=0,g=0,h=0;e=u;u=u+16|0;g=e;cl(g,d);h=mi(a,c)|0;c=h+11|0;if((b[c>>0]|0)<0){b[f[h>>2]>>0]=0;f[h+4>>2]=0}else{b[h>>0]=0;b[c>>0]=0}Ng(h,0);f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];u=e;return}function Mj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0;e=u;u=u+16|0;g=e;fl(g,d&1);d=mi(a,c)|0;c=d+11|0;if((b[c>>0]|0)<0){b[f[d>>2]>>0]=0;f[d+4>>2]=0}else{b[d>>0]=0;b[c>>0]=0}Ng(d,0);f[d>>2]=f[g>>2];f[d+4>>2]=f[g+4>>2];f[d+8>>2]=f[g+8>>2];u=e;return}function Nj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0;e=u;u=u+16|0;g=e;fl(g,d);d=mi(a,c)|0;c=d+11|0;if((b[c>>0]|0)<0){b[f[d>>2]>>0]=0;f[d+4>>2]=0}else{b[d>>0]=0;b[c>>0]=0}Ng(d,0);f[d>>2]=f[g>>2];f[d+4>>2]=f[g+4>>2];f[d+8>>2]=f[g+8>>2];u=e;return}function Oj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=zg(a,c)|0;if((e|0)==(a+4|0)){g=-1;h=(g|0)==-1;i=(g|0)!=0;j=h?d:i;return j|0}a=e+28|0;if((b[a+11>>0]|0)<0)k=f[a>>2]|0;else k=a;g=Kj(k)|0;h=(g|0)==-1;i=(g|0)!=0;j=h?d:i;return j|0}function Pj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;if(c>>>0>10){g=0;u=d;return g|0}h=dn(48)|0;f[e>>2]=h;f[e+8>>2]=-2147483600;f[e+4>>2]=33;i=h;j=13067;k=i+33|0;do{b[i>>0]=b[j>>0]|0;i=i+1|0;j=j+1|0}while((i|0)<(k|0));b[h+33>>0]=0;Nj(a,e,c);if((b[e+11>>0]|0)<0)br(f[e>>2]|0);g=1;u=d;return g|0}function Qj(a){a=a|0;f[a>>2]=1136;sj(a+28|0,f[a+32>>2]|0);nj(a+16|0,f[a+20>>2]|0);sj(a+4|0,f[a+8>>2]|0);br(a);return}function Rj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;c=f[b>>2]|0;if((c|0)==-1)return 1;b=c*3|0;if((b|0)==-1)return 1;c=f[a>>2]|0;a=f[c+(b<<2)>>2]|0;d=b+1|0;e=((d>>>0)%3|0|0)==0?b+-2|0:d;if((e|0)==-1)g=-1;else g=f[c+(e<<2)>>2]|0;e=(((b>>>0)%3|0|0)==0?2:-1)+b|0;if((e|0)==-1)h=-1;else h=f[c+(e<<2)>>2]|0;if((a|0)==(g|0))return 1;else return (a|0)==(h|0)|(g|0)==(h|0)|0;return 0}function Sj(a){a=a|0;f[a>>2]=2968;sj(a+28|0,f[a+32>>2]|0);Dj(a+16|0,f[a+20>>2]|0);sj(a+4|0,f[a+8>>2]|0);return}function Tj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0;d=0;while(1){if((h[15560+d>>0]|0)==(a|0)){e=2;break}g=d+1|0;if((g|0)==87){i=15648;j=87;e=5;break}else d=g}if((e|0)==2)if(!d)k=15648;else{i=15648;j=d;e=5}if((e|0)==5)while(1){e=0;d=i;do{a=d;d=d+1|0}while((b[a>>0]|0)!=0);j=j+-1|0;if(!j){k=d;break}else{i=d;e=5}}return yq(k,f[c+20>>2]|0)|0}function Uj(a,b){a=+a;b=b|0;var c=0,d=0,e=0,g=0.0,h=0.0,i=0,j=0.0;p[s>>3]=a;c=f[s>>2]|0;d=f[s+4>>2]|0;e=Wn(c|0,d|0,52)|0;switch(e&2047){case 0:{if(a!=0.0){g=+Uj(a*18446744073709551616.0,b);h=g;i=(f[b>>2]|0)+-64|0}else{h=a;i=0}f[b>>2]=i;j=h;break}case 2047:{j=a;break}default:{f[b>>2]=(e&2047)+-1022;f[s>>2]=c;f[s+4>>2]=d&-2146435073|1071644672;j=+p[s>>3]}}return +j}function Vj(a){a=a|0;f[a>>2]=2968;sj(a+28|0,f[a+32>>2]|0);Dj(a+16|0,f[a+20>>2]|0);sj(a+4|0,f[a+8>>2]|0);br(a);return}function Wj(a,b){a=+a;b=b|0;var c=0.0,d=0,e=0,g=0.0,h=0;if((b|0)<=1023)if((b|0)<-1022){c=a*2.2250738585072014e-308;d=(b|0)<-2044;e=b+2044|0;g=d?c*2.2250738585072014e-308:c;h=d?((e|0)>-1022?e:-1022):b+1022|0}else{g=a;h=b}else{c=a*8988465674311579538646525.0e283;e=(b|0)>2046;d=b+-2046|0;g=e?c*8988465674311579538646525.0e283:c;h=e?((d|0)<1023?d:1023):b+-1023|0}b=Rn(h+1023|0,0,52)|0;h=I;f[s>>2]=b;f[s+4>>2]=h;return +(g*+p[s>>3])}function Xj(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;if(!(f[a+80>>2]|0)){b=0;return b|0}c=a+8|0;d=a+12|0;a=f[c>>2]|0;if(((f[d>>2]|0)-a|0)>0){e=0;g=a}else{b=1;return b|0}while(1){a=f[g+(e<<2)>>2]|0;e=e+1|0;if(!(yl(a,a)|0)){b=0;h=5;break}g=f[c>>2]|0;if((e|0)>=((f[d>>2]|0)-g>>2|0)){b=1;h=5;break}}if((h|0)==5)return b|0;return 0}function Yj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=a+36|0;d=a+40|0;e=f[c>>2]|0;if((f[d>>2]|0)==(e|0)){g=1;return g|0}h=a+60|0;a=0;i=e;while(1){e=f[i+(a<<2)>>2]|0;a=a+1|0;if(!(Sa[f[(f[e>>2]|0)+20>>2]&31](e,h,b)|0)){g=0;j=5;break}i=f[c>>2]|0;if(a>>>0>=(f[d>>2]|0)-i>>2>>>0){g=1;j=5;break}}if((j|0)==5)return g|0;return 0}function Zj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+36|0;d=a+40|0;a=f[c>>2]|0;if((f[d>>2]|0)==(a|0)){e=1;return e|0}else{g=0;h=a}while(1){a=f[h+(g<<2)>>2]|0;g=g+1|0;if(!(Ra[f[(f[a>>2]|0)+24>>2]&127](a,b)|0)){e=0;i=4;break}h=f[c>>2]|0;if(g>>>0>=(f[d>>2]|0)-h>>2>>>0){e=1;i=4;break}}if((i|0)==4)return e|0;return 0}function _j(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;f[a>>2]=0;c=a+4|0;f[c>>2]=0;f[a+8>>2]=0;d=b+4|0;e=(f[d>>2]|0)-(f[b>>2]|0)|0;g=e>>2;if(!g)return;if(g>>>0>1073741823)mq(a);h=dn(e)|0;f[c>>2]=h;f[a>>2]=h;f[a+8>>2]=h+(g<<2);g=f[b>>2]|0;b=(f[d>>2]|0)-g|0;if((b|0)<=0)return;Rg(h|0,g|0,b|0)|0;f[c>>2]=h+(b>>>2<<2);return}function $j(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;c=a+8|0;d=f[a>>2]|0;if((f[c>>2]|0)-d>>2>>>0>=b>>>0)return;e=a+4|0;if(b>>>0>1073741823){g=ra(8)|0;Wo(g,14941);f[g>>2]=6944;va(g|0,1080,114)}g=(f[e>>2]|0)-d|0;h=dn(b<<2)|0;if((g|0)>0)Rg(h|0,d|0,g|0)|0;f[a>>2]=h;f[e>>2]=h+(g>>2<<2);f[c>>2]=h+(b<<2);if(!d)return;br(d);return}function ak(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;b=a+36|0;c=a+40|0;d=f[b>>2]|0;if((f[c>>2]|0)==(d|0)){e=1;return e|0}g=a+60|0;a=0;h=d;while(1){d=f[h+(a<<2)>>2]|0;a=a+1|0;if(!(Ra[f[(f[d>>2]|0)+16>>2]&127](d,g)|0)){e=0;i=5;break}h=f[b>>2]|0;if(a>>>0>=(f[c>>2]|0)-h>>2>>>0){e=1;i=5;break}}if((i|0)==5)return e|0;return 0}function bk(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=u;u=u+16|0;e=d;g=dn(16)|0;f[e>>2]=g;f[e+8>>2]=-2147483632;f[e+4>>2]=15;h=g;i=12916;j=h+15|0;do{b[h>>0]=b[i>>0]|0;h=h+1|0;i=i+1|0}while((h|0)<(j|0));b[g+15>>0]=0;Nj(a+4|0,e,c);if((b[e+11>>0]|0)>=0){u=d;return}br(f[e>>2]|0);u=d;return}function ck(a,b){a=a|0;b=b|0;var c=0,d=0;f[a>>2]=0;f[a+4>>2]=b;if(b|0?(c=mh(b,992,976,0)|0,c|0):0){d=dn(56)|0;Gm(d,c);c=f[a>>2]|0;f[a>>2]=d;if(!c)return;Va[f[(f[c>>2]|0)+4>>2]&127](c);return}c=dn(56)|0;Am(c,b);b=f[a>>2]|0;f[a>>2]=c;if(!b)return;Va[f[(f[b>>2]|0)+4>>2]&127](b);return}function dk(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0;d=f[a+176>>2]|0;e=f[a+172>>2]|0;a=e;if((d|0)==(e|0))return 0;g=(d-e|0)/136|0;e=0;while(1){if((f[a+(e*136|0)>>2]|0)==(c|0)){h=4;break}d=e+1|0;if(d>>>0>>0)e=d;else{h=6;break}}if((h|0)==4)return ((b[a+(e*136|0)+100>>0]|0)==0?0:a+(e*136|0)+4|0)|0;else if((h|0)==6)return 0;return 0}function ek(a,b){a=a|0;b=b|0;var c=0,d=0;c=f[a+72>>2]|0;if(!c){d=0;return d|0}f[c+4>>2]=a+60;if(!(Qa[f[(f[c>>2]|0)+12>>2]&127](c)|0)){d=0;return d|0}if(!(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)){d=0;return d|0}if(!(Ra[f[(f[a>>2]|0)+44>>2]&127](a,b)|0)){d=0;return d|0}d=Ra[f[(f[a>>2]|0)+48>>2]&127](a,b)|0;return d|0}function fk(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;f[a>>2]=0;d=a+4|0;f[d>>2]=0;f[a+8>>2]=0;if(!b)return;if(b>>>0>357913941)mq(a);e=dn(b*12|0)|0;f[d>>2]=e;f[a>>2]=e;f[a+8>>2]=e+(b*12|0);a=b;b=e;do{_j(b,c);b=(f[d>>2]|0)+12|0;f[d>>2]=b;a=a+-1|0}while((a|0)!=0);return}function gk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0;c=f[b>>2]|0;if(!c){d=0;return d|0}e=a+44|0;g=f[e>>2]|0;if(g>>>0<(f[a+48>>2]|0)>>>0){f[b>>2]=0;f[g>>2]=c;f[e>>2]=(f[e>>2]|0)+4;d=1;return d|0}else{Bg(a+40|0,b);d=1;return d|0}return 0}function hk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2880;f[a+40>>2]=1180;b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}f[a>>2]=1460;b=a+36|0;d=f[b>>2]|0;f[b>>2]=0;if(!d){zi(a);br(a);return}Va[f[(f[d>>2]|0)+4>>2]&127](d);zi(a);br(a);return}function ik(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0;f[c>>2]=2;d=a+4|0;a=c+8|0;e=f[a>>2]|0;g=(f[c+12>>2]|0)-e|0;if(g>>>0<4294967292){Bk(a,g+4|0,0);i=f[a>>2]|0}else i=e;e=i+g|0;g=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;b[e>>0]=g;b[e+1>>0]=g>>8;b[e+2>>0]=g>>16;b[e+3>>0]=g>>24;return}function jk(a){a=a|0;var b=0,c=0,d=0,e=0;f[a>>2]=3164;b=a+8|0;f[b>>2]=3188;c=f[a+56>>2]|0;if(c|0){d=a+60|0;e=f[d>>2]|0;if((e|0)!=(c|0))f[d>>2]=e+(~((e+-4-c|0)>>>2)<<2);br(c)}f[b>>2]=3208;b=f[a+44>>2]|0;if(b|0)br(b);b=f[a+32>>2]|0;if(!b){br(a);return}br(b);br(a);return}function kk(a,c,d){a=a|0;c=c|0;d=$(d);var e=0,g=Oa,h=0;e=zg(a,c)|0;if((e|0)==(a+4|0)){g=d;return $(g)}a=e+28|0;if((b[a+11>>0]|0)<0)h=f[a>>2]|0;else h=a;g=$(+Xq(h));return $(g)}function lk(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;b=u;u=u+16|0;c=b;d=c;f[d>>2]=0;f[d+4>>2]=0;cf(a,2,c);c=f[a+12>>2]|0;d=a+16|0;e=f[d>>2]|0;if((e|0)==(c|0)){g=a+24|0;f[g>>2]=0;h=a+28|0;f[h>>2]=0;u=b;return}f[d>>2]=e+(~((e+-4-c|0)>>>2)<<2);g=a+24|0;f[g>>2]=0;h=a+28|0;f[h>>2]=0;u=b;return}function mk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=f[a+176>>2]|0;d=f[a+172>>2]|0;e=d;a:do if((c|0)!=(d|0)){g=(c-d|0)/136|0;h=0;while(1){if((f[e+(h*136|0)>>2]|0)==(b|0))break;i=h+1|0;if(i>>>0>>0)h=i;else break a}j=e+(h*136|0)+104|0;return j|0}while(0);j=a+40|0;return j|0}function nk(a){a=a|0;var b=0,c=0,d=0,e=0;f[a>>2]=3232;b=a+8|0;f[b>>2]=3256;c=f[a+56>>2]|0;if(c|0){d=a+60|0;e=f[d>>2]|0;if((e|0)!=(c|0))f[d>>2]=e+(~((e+-4-c|0)>>>2)<<2);br(c)}f[b>>2]=3276;b=f[a+44>>2]|0;if(b|0)br(b);b=f[a+32>>2]|0;if(!b){br(a);return}br(b);br(a);return}function ok(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2880;f[a+40>>2]=1180;b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}f[a>>2]=1460;b=a+36|0;d=f[b>>2]|0;f[b>>2]=0;if(!d){zi(a);return}Va[f[(f[d>>2]|0)+4>>2]&127](d);zi(a);return}function pk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;Ec(a,b);if((b|0)<=-1)return;c=a+88|0;d=f[c>>2]|0;e=f[a+84>>2]|0;if((d-e>>2|0)<=(b|0))return;a=e+(b<<2)|0;b=a+4|0;e=d-b|0;g=e>>2;if(!g)h=d;else{Xl(a|0,b|0,e|0)|0;h=f[c>>2]|0}e=a+(g<<2)|0;if((h|0)==(e|0))return;f[c>>2]=h+(~((h+-4-e|0)>>>2)<<2);return}function qk(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;b=f[a+32>>2]|0;c=f[a+36>>2]|0;if((b|0)==(c|0)){d=1;return d|0}e=a+8|0;g=a+44|0;a=b;while(1){b=f[(f[e>>2]|0)+(f[a>>2]<<2)>>2]|0;a=a+4|0;if(!(Ra[f[(f[b>>2]|0)+20>>2]&127](b,f[g>>2]|0)|0)){d=0;h=5;break}if((a|0)==(c|0)){d=1;h=5;break}}if((h|0)==5)return d|0;return 0}function rk(a){a=a|0;var b=0,c=0,d=0,e=0;f[a>>2]=3164;b=a+8|0;f[b>>2]=3188;c=f[a+56>>2]|0;if(c|0){d=a+60|0;e=f[d>>2]|0;if((e|0)!=(c|0))f[d>>2]=e+(~((e+-4-c|0)>>>2)<<2);br(c)}f[b>>2]=3208;b=f[a+44>>2]|0;if(b|0)br(b);b=f[a+32>>2]|0;if(!b)return;br(b);return}function sk(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0.0;d=u;u=u+128|0;e=d;g=e;h=g+124|0;do{f[g>>2]=0;g=g+4|0}while((g|0)<(h|0));g=e+4|0;f[g>>2]=a;h=e+8|0;f[h>>2]=-1;f[e+44>>2]=a;f[e+76>>2]=-1;Rm(e,0);i=+Lc(e,c,1);c=(f[g>>2]|0)-(f[h>>2]|0)+(f[e+108>>2]|0)|0;if(b|0)f[b>>2]=c|0?a+c|0:a;u=d;return +i}function tk(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0;a=c+16|0;g=f[a>>2]|0;do if(g){if((g|0)!=(d|0)){h=c+36|0;f[h>>2]=(f[h>>2]|0)+1;f[c+24>>2]=2;b[c+54>>0]=1;break}h=c+24|0;if((f[h>>2]|0)==2)f[h>>2]=e}else{f[a>>2]=d;f[c+24>>2]=e;f[c+36>>2]=1}while(0);return}function uk(a){a=a|0;var c=0,d=0,e=0;c=a+74|0;d=b[c>>0]|0;b[c>>0]=d+255|d;d=a+20|0;c=a+28|0;if((f[d>>2]|0)>>>0>(f[c>>2]|0)>>>0)Sa[f[a+36>>2]&31](a,0,0)|0;f[a+16>>2]=0;f[c>>2]=0;f[d>>2]=0;d=f[a>>2]|0;if(!(d&4)){c=(f[a+44>>2]|0)+(f[a+48>>2]|0)|0;f[a+8>>2]=c;f[a+4>>2]=c;e=d<<27>>31}else{f[a>>2]=d|32;e=-1}return e|0}function vk(a,c){a=a|0;c=c|0;var d=0,e=0,g=0;d=zg(a,c)|0;if((d|0)==(a+4|0)){e=0;return e|0}a=d+28|0;if((b[a+11>>0]|0)<0)g=f[a>>2]|0;else g=a;e=((Kj(g)|0)+1|0)>>>0>1;return e|0}function wk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=5840;b=f[a+96>>2]|0;if(b|0){c=a+100|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~(((d+-12-b|0)>>>0)/12|0)*12|0);br(b)}b=f[a+84>>2]|0;if(!b){wg(a);br(a);return}d=a+88|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b);wg(a);br(a);return}function xk(a){a=a|0;var b=0,c=0,d=0,e=0;f[a>>2]=3232;b=a+8|0;f[b>>2]=3256;c=f[a+56>>2]|0;if(c|0){d=a+60|0;e=f[d>>2]|0;if((e|0)!=(c|0))f[d>>2]=e+(~((e+-4-c|0)>>>2)<<2);br(c)}f[b>>2]=3276;b=f[a+44>>2]|0;if(b|0)br(b);b=f[a+32>>2]|0;if(!b)return;br(b);return}function yk(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0;e=zg(a,c)|0;if((e|0)==(a+4|0)){g=d;return g|0}d=e+28|0;if((b[d+11>>0]|0)<0)h=f[d>>2]|0;else h=d;g=Kj(h)|0;return g|0}function zk(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0;e=b>>31|((b|0)<0?-1:0)<<1;f=((b|0)<0?-1:0)>>31|((b|0)<0?-1:0)<<1;g=d>>31|((d|0)<0?-1:0)<<1;h=((d|0)<0?-1:0)>>31|((d|0)<0?-1:0)<<1;i=Vn(e^a|0,f^b|0,e|0,f|0)|0;b=I;a=g^e;e=h^f;return Vn((Bd(i,b,Vn(g^c|0,h^d|0,g|0,h|0)|0,I,0)|0)^a|0,I^e|0,a|0,e|0)|0}function Ak(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0;f[a>>2]=b;h=b+16|0;i=f[h+4>>2]|0;j=a+8|0;f[j>>2]=f[h>>2];f[j+4>>2]=i;i=b+24|0;b=f[i+4>>2]|0;j=a+16|0;f[j>>2]=f[i>>2];f[j+4>>2]=b;b=a+40|0;f[b>>2]=c;f[b+4>>2]=d;d=a+48|0;f[d>>2]=e;f[d+4>>2]=g;return}function Bk(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=d-e|0;h=e;e=d;if(g>>>0>=b>>>0){if(g>>>0>b>>>0?(d=h+b|0,(d|0)!=(e|0)):0)f[c>>2]=d}else ri(a,b-g|0);g=a+24|0;a=g;b=Tn(f[a>>2]|0,f[a+4>>2]|0,1,0)|0;a=g;f[a>>2]=b;f[a+4>>2]=I;return}function Ck(a,c){a=a|0;c=c|0;var d=0,e=0,g=0;d=zg(a,c)|0;if((d|0)==(a+4|0)){e=-1;return e|0}a=d+28|0;if((b[a+11>>0]|0)<0)g=f[a>>2]|0;else g=a;e=Kj(g)|0;return e|0}function Dk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=5840;b=f[a+96>>2]|0;if(b|0){c=a+100|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~(((d+-12-b|0)>>>0)/12|0)*12|0);br(b)}b=f[a+84>>2]|0;if(!b){wg(a);return}d=a+88|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);br(b);wg(a);return}function Ek(a){a=a|0;var c=0,d=0,e=0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;f[a+16>>2]=0;f[a+20>>2]=0;b[a+24>>0]=1;c=a+68|0;d=a+28|0;e=d+40|0;do{f[d>>2]=0;d=d+4|0}while((d|0)<(e|0));f[c>>2]=a;c=a+72|0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;f[c+12>>2]=0;f[c+16>>2]=0;f[c+20>>2]=0;return}function Fk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3188;b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}f[a>>2]=3208;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b){br(a);return}br(b);br(a);return}function Gk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2004;b=f[a+76>>2]|0;if(b|0)br(b);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b){br(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b);br(a);return}function Hk(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var f=0,g=0,h=0;f=u;u=u+256|0;g=f;if((c|0)>(d|0)&(e&73728|0)==0){e=c-d|0;hj(g|0,b<<24>>24|0,(e>>>0<256?e:256)|0)|0;if(e>>>0>255){b=c-d|0;d=e;do{ep(a,g,256);d=d+-256|0}while(d>>>0>255);h=b&255}else h=e;ep(a,g,h)}u=f;return}function Ik(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3256;b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}f[a>>2]=3276;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b){br(a);return}br(b);br(a);return}function Jk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1696;b=f[a+76>>2]|0;if(b|0)br(b);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b){br(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b);br(a);return}function Kk(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0;if(qp(a,f[b+8>>2]|0,g)|0)fj(0,b,c,d,e);else{h=f[a+8>>2]|0;_a[f[(f[h>>2]|0)+20>>2]&3](h,b,c,d,e,g)}return}function Lk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3188;b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}f[a>>2]=3208;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b)return;br(b);return}function Mk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2060;tj(a+108|0);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b){br(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b);br(a);return}function Nk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3256;b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}f[a>>2]=3276;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b)return;br(b);return}function Ok(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1752;tj(a+108|0);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b){br(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b);br(a);return}function Pk(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0;a:do if(!d)e=0;else{f=a;g=d;h=c;while(1){i=b[f>>0]|0;j=b[h>>0]|0;if(i<<24>>24!=j<<24>>24)break;g=g+-1|0;if(!g){e=0;break a}else{f=f+1|0;h=h+1|0}}e=(i&255)-(j&255)|0}while(0);return e|0}function Qk(a){a=a|0;if(!(f[a+44>>2]|0))return 0;if(!(f[a+48>>2]|0))return 0;if(!(f[a+24>>2]|0))return 0;if(!(f[a+28>>2]|0))return 0;if(!(f[a+32>>2]|0))return 0;else return (f[a+36>>2]|0)!=0|0;return 0}function Rk(a){a=a|0;var b=0,c=0;f[a>>2]=2004;b=f[a+76>>2]|0;if(b|0)br(b);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function Sk(a){a=a|0;var c=0,d=0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;c=0;while(1){if((c|0)==3)break;f[a+(c<<2)>>2]=0;c=c+1|0}if((b[a+11>>0]|0)<0)d=(f[a+8>>2]&2147483647)+-1|0;else d=10;wj(a,d,0);return}function Tk(a){a=a|0;var b=0,c=0,d=0,e=0.0,g=0.0;b=f[a+8>>2]|0;if((b|0)<2){c=0;d=0;I=c;return d|0}e=+(b|0);g=+Fg(e)*e;e=+W(+(g-+p[a>>3]));c=+K(e)>=1.0?(e>0.0?~~+Y(+J(e/4294967296.0),4294967295.0)>>>0:~~+W((e-+(~~e>>>0))/4294967296.0)>>>0):0;d=~~e>>>0;I=c;return d|0}function Uk(a){a=a|0;var b=0,c=0;f[a>>2]=1696;b=f[a+76>>2]|0;if(b|0)br(b);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function Vk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=f[a+16>>2]|0;if(((f[a+20>>2]|0)-c>>2|0)<=(b|0)){d=0;return d|0}e=f[c+(b<<2)>>2]|0;if((e|0)<0){d=0;return d|0}b=f[(f[a+36>>2]|0)+(e<<2)>>2]|0;e=f[b+32>>2]|0;if(e|0){d=e;return d|0}d=f[b+8>>2]|0;return d|0}function Wk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1216;b=f[a+16>>2]|0;if(b|0){c=a+20|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b)}b=f[a+4>>2]|0;if(!b)return;d=a+8|0;a=f[d>>2]|0;if((a|0)!=(b|0))f[d>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function Xk(a){a=a|0;var b=0,c=0;f[a>>2]=2060;tj(a+108|0);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function Yk(a){a=a|0;if(!(f[a+64>>2]|0))return 0;if(!(f[a+68>>2]|0))return 0;if(!(f[a+44>>2]|0))return 0;if(!(f[a+48>>2]|0))return 0;if(!(f[a+52>>2]|0))return 0;else return (f[a+56>>2]|0)!=0|0;return 0}function Zk(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0;if(qp(a,f[b+8>>2]|0,0)|0)tk(0,b,c,d);else{e=f[a+8>>2]|0;Ya[f[(f[e>>2]|0)+28>>2]&7](e,b,c,d)}return}function _k(a){a=a|0;var b=0,c=0;f[a>>2]=1752;tj(a+108|0);f[a>>2]=1528;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function $k(a,b){a=a|0;b=b|0;var c=0,d=0;if((b|0)<0){c=0;return c|0}d=f[a+4>>2]|0;if(((f[d+12>>2]|0)-(f[d+8>>2]|0)>>2|0)<=(b|0)){c=0;return c|0}d=f[(f[a+8>>2]|0)+(f[(f[a+20>>2]|0)+(b<<2)>>2]<<2)>>2]|0;c=Ra[f[(f[d>>2]|0)+36>>2]&127](d,b)|0;return c|0}function al(a,b){a=a|0;b=b|0;var c=0,d=0;if((b|0)<0){c=0;return c|0}d=f[a+4>>2]|0;if(((f[d+12>>2]|0)-(f[d+8>>2]|0)>>2|0)<=(b|0)){c=0;return c|0}d=f[(f[a+8>>2]|0)+(f[(f[a+20>>2]|0)+(b<<2)>>2]<<2)>>2]|0;c=Ra[f[(f[d>>2]|0)+32>>2]&127](d,b)|0;return c|0}function bl(a,c){a=a|0;c=c|0;var d=0,e=0,f=0,g=0;d=b[a>>0]|0;e=b[c>>0]|0;if(d<<24>>24==0?1:d<<24>>24!=e<<24>>24){f=e;g=d}else{d=c;c=a;do{c=c+1|0;d=d+1|0;a=b[c>>0]|0;e=b[d>>0]|0}while(!(a<<24>>24==0?1:a<<24>>24!=e<<24>>24));f=e;g=a}return (g&255)-(f&255)|0}function cl(a,b){a=a|0;b=$(b);var c=0,d=0;c=u;u=u+16|0;d=c;Sk(d);qi(a,d,b);Go(d);u=c;return}function dl(a){a=a|0;var b=0,c=0,d=0,e=0,g=0;b=f[a>>2]|0;c=a+4|0;d=f[c>>2]|0;if((d|0)==(b|0))e=b;else{g=d+(~((d+-4-b|0)>>>2)<<2)|0;f[c>>2]=g;e=g}f[a+12>>2]=0;f[a+16>>2]=0;if(!b)return;if((e|0)!=(b|0))f[c>>2]=e+(~((e+-4-b|0)>>>2)<<2);br(b);return}function el(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0;d=f[a+16>>2]|0;if(((f[a+20>>2]|0)-d>>2|0)<=(b|0)){e=-1;return e|0}g=f[d+(b<<2)>>2]|0;if((g|0)<0){e=-1;return e|0}e=f[(f[(f[(f[a+36>>2]|0)+(g<<2)>>2]|0)+16>>2]|0)+(c<<2)>>2]|0;return e|0}function fl(a,b){a=a|0;b=b|0;var c=0,d=0;c=u;u=u+16|0;d=c;Sk(d);vi(a,d,b);Go(d);u=c;return}function gl(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0;d=u;u=u+32|0;e=d;g=d+20|0;f[e>>2]=f[a+60>>2];f[e+4>>2]=0;f[e+8>>2]=b;f[e+12>>2]=g;f[e+16>>2]=c;if((ro(za(140,e|0)|0)|0)<0){f[g>>2]=-1;h=-1}else h=f[g>>2]|0;u=d;return h|0}function hl(a,b){a=a|0;b=b|0;var c=0,d=0;if((b|0)==-1|(b|0)>4){c=0;return c|0}d=f[a+20+(b*12|0)>>2]|0;if(((f[a+20+(b*12|0)+4>>2]|0)-d|0)<=0){c=0;return c|0}b=f[d>>2]|0;if((b|0)==-1){c=0;return c|0}c=f[(f[a+8>>2]|0)+(b<<2)>>2]|0;return c|0}function il(a){a=a|0;if(!(f[a+40>>2]|0))return 0;if(!(f[a+24>>2]|0))return 0;if(!(f[a+28>>2]|0))return 0;if(!(f[a+32>>2]|0))return 0;else return (f[a+36>>2]|0)!=0|0;return 0}function jl(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=f[a+16>>2]|0;if(((f[a+20>>2]|0)-c>>2|0)<=(b|0)){d=0;return d|0}e=f[c+(b<<2)>>2]|0;if((e|0)<0){d=0;return d|0}b=f[(f[a+36>>2]|0)+(e<<2)>>2]|0;d=(f[b+20>>2]|0)-(f[b+16>>2]|0)>>2;return d|0}function kl(a){a=a|0;var b=0;if(!(f[a+24>>2]|0)){b=0;return b|0}if(!(f[a+28>>2]|0)){b=0;return b|0}if(!(f[a+32>>2]|0)){b=0;return b|0}b=(f[a+36>>2]|0)!=0;return b|0}function ll(a){a=a|0;if(!(f[a+60>>2]|0))return 0;if(!(f[a+44>>2]|0))return 0;if(!(f[a+48>>2]|0))return 0;if(!(f[a+52>>2]|0))return 0;else return (f[a+56>>2]|0)!=0|0;return 0}function ml(a,b,c){a=a|0;b=b|0;c=c|0;var d=0;Sg(a,c);f[a>>2]=1392;c=a+72|0;d=a+36|0;a=d+36|0;do{f[d>>2]=0;d=d+4|0}while((d|0)<(a|0));d=f[b>>2]|0;f[b>>2]=0;f[c>>2]=d;return}function nl(a,c){a=a|0;c=c|0;var d=0,e=0;d=a;e=c;c=d+64|0;do{f[d>>2]=f[e>>2];d=d+4|0;e=e+4|0}while((d|0)<(c|0));e=a+64|0;f[a+88>>2]=0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;f[e+12>>2]=0;f[e+16>>2]=0;b[e+20>>0]=0;return}function ol(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var f=0,g=0;if((a|0)==0&(c|0)==0)f=d;else{g=d;d=c;c=a;while(1){a=g+-1|0;b[a>>0]=h[15542+(c&15)>>0]|0|e;c=Wn(c|0,d|0,4)|0;d=I;if((c|0)==0&(d|0)==0){f=a;break}else g=a}}return f|0}function pl(a){a=a|0;var c=0,d=0,e=0;c=a+74|0;d=b[c>>0]|0;b[c>>0]=d+255|d;d=f[a>>2]|0;if(!(d&8)){f[a+8>>2]=0;f[a+4>>2]=0;c=f[a+44>>2]|0;f[a+28>>2]=c;f[a+20>>2]=c;f[a+16>>2]=c+(f[a+48>>2]|0);e=0}else{f[a>>2]=d|32;e=-1}return e|0}function ql(a,b){a=a|0;b=b|0;var c=0,d=0;c=f[b+88>>2]|0;if(!c){d=0;return d|0}if((f[c>>2]|0)!=2){d=0;return d|0}b=f[c+8>>2]|0;f[a+4>>2]=h[b>>0]|h[b+1>>0]<<8|h[b+2>>0]<<16|h[b+3>>0]<<24;d=1;return d|0}function rl(a){a=a|0;var b=0;if(!(f[a+44>>2]|0)){b=0;return b|0}if(!(f[a+48>>2]|0)){b=0;return b|0}if(!(f[a+52>>2]|0)){b=0;return b|0}b=(f[a+56>>2]|0)!=0;return b|0}function sl(a){a=a|0;kj(a);br(a);return}function tl(a,c){a=a|0;c=c|0;var d=0;if(f[c+56>>2]|0){d=0;return d|0}if((b[c+24>>0]|0)!=3){d=0;return d|0}f[a+40>>2]=c;d=1;return d|0}function ul(a,c){a=a|0;c=c|0;var d=0;if(f[c+56>>2]|0){d=0;return d|0}if((b[c+24>>0]|0)!=3){d=0;return d|0}f[a+44>>2]=c;d=1;return d|0}function vl(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=d-e|0;if(g>>>0>>0){ri(a,b-g|0);return}if(g>>>0<=b>>>0)return;g=e+b|0;if((g|0)==(d|0))return;f[c>>2]=g;return}function wl(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=$(e);f[a+4>>2]=b;Jf(a+8|0,c,c+(d<<2)|0);n[a+20>>2]=e;return}function xl(a,b){a=a|0;b=b|0;var c=0;if(!(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)){c=0;return c|0}if(!(Ra[f[(f[a>>2]|0)+44>>2]&127](a,b)|0)){c=0;return c|0}c=Ra[f[(f[a>>2]|0)+48>>2]&127](a,b)|0;return c|0}function yl(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=u;u=u+16|0;d=c+4|0;e=c;f[e>>2]=0;f[d>>2]=f[e>>2];e=tc(a,b,d)|0;u=c;return e|0}function zl(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0;d=f[c>>2]|0;c=a;e=b-a>>2;while(1){if(!e)break;a=(e|0)/2|0;b=c+(a<<2)|0;g=(f[b>>2]|0)>>>0>>0;c=g?b+4|0:c;e=g?e+-1-a|0:a}return c|0}function Al(a){a=a|0;var c=0;f[a>>2]=0;c=a+8|0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;f[c+12>>2]=0;b[a+24>>0]=1;f[a+28>>2]=9;c=a+40|0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;f[c+12>>2]=0;f[a+56>>2]=-1;f[a+60>>2]=0;return}function Bl(a){a=a|0;mj(a);br(a);return}function Cl(a){a=a|0;var c=0,d=0,e=0,g=0,h=0;if(!(Pq(b[f[a>>2]>>0]|0)|0))c=0;else{d=0;while(1){e=f[a>>2]|0;g=(d*10|0)+-48+(b[e>>0]|0)|0;h=e+1|0;f[a>>2]=h;if(!(Pq(b[h>>0]|0)|0)){c=g;break}else d=g}}return c|0}function Dl(a,c){a=a|0;c=c|0;var d=0;if(f[c+56>>2]|0){d=0;return d|0}if((b[c+24>>0]|0)!=3){d=0;return d|0}f[a+60>>2]=c;d=1;return d|0}function El(a,c){a=a|0;c=c|0;var d=0;if(f[c+56>>2]|0){d=0;return d|0}if((b[c+24>>0]|0)!=3){d=0;return d|0}f[a+64>>2]=c;d=1;return d|0}function Fl(a){a=a|0;var b=0,c=0;b=f[r>>2]|0;c=b+a|0;if((a|0)>0&(c|0)<(b|0)|(c|0)<0){ea()|0;ya(12);return -1}f[r>>2]=c;if((c|0)>(da()|0)?(ca()|0)==0:0){f[r>>2]=b;ya(12);return -1}return b|0}function Gl(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,f=0;if((a|0)==0&(c|0)==0)e=d;else{f=d;d=c;c=a;while(1){a=f+-1|0;b[a>>0]=c&7|48;c=Wn(c|0,d|0,3)|0;d=I;if((c|0)==0&(d|0)==0){e=a;break}else f=a}}return e|0}function Hl(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1528;b=f[a+32>>2]|0;if(!b){br(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b);br(a);return}function Il(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;if(qp(a,f[b+8>>2]|0,g)|0)fj(0,b,c,d,e);return}function Jl(a){a=a|0;var b=0,c=0;b=f[a+64>>2]|0;if(!b)return;c=Qa[f[(f[b>>2]|0)+32>>2]&127](b)|0;if(!c)return;f[a+60>>2]=(((f[c+4>>2]|0)-(f[c>>2]|0)>>2>>>0)/3|0)-(f[c+40>>2]|0);return}function Kl(a){a=a|0;Ii(a);br(a);return}function Ll(a){a=a|0;var b=0;switch(a|0){case 11:case 2:case 1:{b=1;break}case 4:case 3:{b=2;break}case 6:case 5:{b=4;break}case 8:case 7:{b=8;break}case 9:{b=4;break}case 10:{b=8;break}default:b=-1}return b|0}function Ml(){var a=0,b=0;a=dn(40)|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;n[a+16>>2]=$(1.0);b=a+20|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;f[b+12>>2]=0;n[a+36>>2]=$(1.0);return a|0}function Nl(a,b){a=+a;b=+b;var c=0,d=0,e=0;p[s>>3]=a;c=f[s>>2]|0;d=f[s+4>>2]|0;p[s>>3]=b;e=f[s+4>>2]&-2147483648|d&2147483647;f[s>>2]=c;f[s+4>>2]=e;return +(+p[s>>3])}function Ol(a,b,c){a=a|0;b=b|0;c=+c;var d=0,e=0;d=u;u=u+16|0;e=d;p[e>>3]=c;_b(a,b,e);u=d;return}function Pl(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=u;u=u+16|0;e=d;f[e>>2]=c;cc(a,b,e);u=d;return}function Ql(a,c){a=a|0;c=c|0;var d=0,e=0;if((a|0)!=(c|0)){d=b[c+11>>0]|0;e=d<<24>>24<0;Zi(a,e?f[c>>2]|0:c,e?f[c+4>>2]|0:d&255)|0}return a|0}function Rl(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;c=a&65535;d=b&65535;e=X(d,c)|0;f=a>>>16;a=(e>>>16)+(X(d,f)|0)|0;d=b>>>16;b=X(d,c)|0;return (I=(a>>>16)+(X(d,f)|0)+(((a&65535)+b|0)>>>16)|0,a+b<<16|e&65535|0)|0}function Sl(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=vj(b)|0;d=dn(c+13|0)|0;f[d>>2]=c;f[d+4>>2]=c;f[d+8>>2]=0;e=Sp(d)|0;Rg(e|0,b|0,c+1|0)|0;f[a>>2]=e;return}function Tl(a,b){a=a|0;b=b|0;var c=0,d=0;if((b|0)==-1|(b|0)>4){c=-1;return c|0}d=f[a+20+(b*12|0)>>2]|0;if(((f[a+20+(b*12|0)+4>>2]|0)-d|0)<=0){c=-1;return c|0}c=f[d>>2]|0;return c|0}function Ul(a){a=a|0;Li(a);br(a);return}function Vl(a){a=a|0;var b=0,c=0;f[a>>2]=1528;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function Wl(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;if(qp(a,f[b+8>>2]|0,0)|0)tk(0,b,c,d);return}function Xl(a,c,d){a=a|0;c=c|0;d=d|0;var e=0;if((c|0)<(a|0)&(a|0)<(c+d|0)){e=a;c=c+d|0;a=a+d|0;while((d|0)>0){a=a-1|0;c=c-1|0;d=d-1|0;b[a>>0]=b[c>>0]|0}a=e}else Rg(a,c,d)|0;return a|0}function Yl(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1180;b=f[a+8>>2]|0;if(!b){br(a);return}c=a+12|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);br(b);br(a);return}function Zl(a){a=a|0;var b=0;f[a>>2]=2740;b=f[a+56>>2]|0;if(!b){br(a);return}br(b);br(a);return}function _l(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0;d=u;u=u+16|0;e=d;f[e>>2]=f[c>>2];g=Sa[f[(f[a>>2]|0)+16>>2]&31](a,b,e)|0;if(g)f[c>>2]=f[e>>2];u=d;return g&1|0}function $l(a,b){a=a|0;b=b|0;var c=0;if(b>>>0>=2){c=0;return c|0}f[a+28>>2]=b;c=1;return c|0}function am(a){a=a|0;var b=0,c=0;f[a>>2]=3e3;b=a+64|0;c=f[b>>2]|0;f[b>>2]=0;if(!c){aj(a);return}Va[f[(f[c>>2]|0)+4>>2]&127](c);aj(a);return}function bm(){var a=0,b=0;a=mn()|0;if((a|0?(b=f[a>>2]|0,b|0):0)?(a=b+48|0,(f[a>>2]&-256|0)==1126902528?(f[a+4>>2]|0)==1129074247:0):0)Qo(f[b+12>>2]|0);Qo(bq()|0)}function cm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Bf(a,b,c,d,e,f,6)|0}function dm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Af(a,b,c,d,e,f,4)|0}function em(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Gf(a,b,c,d,e,f,2)|0}function fm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Af(a,b,c,d,e,f,3)|0}function gm(a){a=a|0;var b=0;f[a>>2]=2488;b=f[a+56>>2]|0;if(!b){br(a);return}br(b);br(a);return}function hm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Gf(a,b,c,d,e,f,1)|0}function im(a){a=a|0;var c=0;c=b[w+(a&255)>>0]|0;if((c|0)<8)return c|0;c=b[w+(a>>8&255)>>0]|0;if((c|0)<8)return c+8|0;c=b[w+(a>>16&255)>>0]|0;if((c|0)<8)return c+16|0;return (b[w+(a>>>24)>>0]|0)+24|0}function jm(a,b){a=a|0;b=b|0;var c=0.0,d=0.0,e=0.0,f=0.0;if(!a){c=0.0;return +c}if((b|0)==0|(a|0)==(b|0)){c=0.0;return +c}d=+(b>>>0)/+(a>>>0);e=1.0-d;f=d*+Fg(d);c=-(f+e*+Fg(e));return +c}function km(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;if((b|0)>0)d=0;else return;do{e=f[a+(d<<2)>>2]|0;f[c+(d<<2)>>2]=e<<1^e>>31;d=d+1|0}while((d|0)!=(b|0));return}function lm(a){a=a|0;var b=0,c=0;if(Eq(a)|0?(b=Zp(f[a>>2]|0)|0,a=b+8|0,c=f[a>>2]|0,f[a>>2]=c+-1,(c+-1|0)<0):0)br(b);return}function mm(a){a=a|0;var b=0;Ao(a);f[a>>2]=2880;f[a+40>>2]=1180;f[a+44>>2]=-1;b=a+48|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;f[b+12>>2]=0;return}function nm(a,c){a=a|0;c=c|0;var d=0;b[c+84>>0]=1;a=f[c+68>>2]|0;d=c+72|0;c=f[d>>2]|0;if((c|0)==(a|0))return 1;f[d>>2]=c+(~((c+-4-a|0)>>>2)<<2);return 1}function om(a){a=a|0;var b=0,c=0;b=f[a+16>>2]|0;c=(((f[a+12>>2]|0)+1-b|0)/64|0)+b<<3;a=b<<3;b=Tn(c|0,((c|0)<0)<<31>>31|0,a|0,((a|0)<0)<<31>>31|0)|0;return b|0}function pm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Bf(a,b,c,d,e,f,5)|0}function qm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Bf(a,b,c,d,e,f,9)|0}function rm(a){a=a|0;var b=0;f[a>>2]=3208;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b){br(a);return}br(b);br(a);return}function sm(a){a=a|0;var b=0;f[a>>2]=2740;b=f[a+56>>2]|0;if(!b)return;br(b);return}function tm(a){a=a|0;var b=0,c=0;f[a>>2]=1460;b=a+36|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);zi(a);br(a);return}function um(a){a=a|0;var b=0,c=0;f[a>>2]=1180;b=f[a+8>>2]|0;if(!b)return;c=a+12|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function vm(a){a=a|0;var b=0;f[a>>2]=3276;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b){br(a);return}br(b);br(a);return}function wm(a){a=a|0;var c=0;f[a>>2]=1336;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=-1;c=a+16|0;f[a+32>>2]=0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;b[c+12>>0]=0;return}function xm(a){a=a|0;f[a>>2]=3296;Gi(a+8|0);br(a);return}function ym(a){a=a|0;var b=0;f[a>>2]=2488;b=f[a+56>>2]|0;if(!b)return;br(b);return}function zm(a){a=a|0;var b=0,c=0;f[a>>2]=1460;b=a+36|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);zi(a);return}function Am(a,b){a=a|0;b=b|0;f[a>>2]=2968;Vh(a+4|0);f[a+40>>2]=0;f[a+44>>2]=0;f[a>>2]=2984;f[a+48>>2]=b;f[a+52>>2]=0;return}function Bm(a){a=a|0;var b=0,c=0;f[a>>2]=3e3;b=a+64|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);aj(a);br(a);return}function Cm(a){a=a|0;var b=0,c=0,d=0;b=f[a>>2]|0;c=a+4|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);f[a+12>>2]=0;f[a+16>>2]=0;return}function Dm(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0;d=a+20|0;e=f[d>>2]|0;g=(f[a+16>>2]|0)-e|0;a=g>>>0>c>>>0?c:g;Rg(e|0,b|0,a|0)|0;f[d>>2]=(f[d>>2]|0)+a;return c|0}function Em(a){a=a|0;var b=0;f[a>>2]=3208;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b)return;br(b);return}function Fm(a){a=a|0;f[a>>2]=3296;Gi(a+8|0);return}function Gm(a,b){a=a|0;b=b|0;f[a>>2]=2968;Vh(a+4|0);f[a+40>>2]=0;f[a+44>>2]=0;f[a>>2]=2984;f[a+48>>2]=b;f[a+52>>2]=b;return}function Hm(a){a=a|0;var b=0,c=0;b=f[a>>2]|0;if(!b)return;c=a+4|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-8-b|0)>>>3)<<3);br(b);return}function Im(a){a=a|0;var b=0,c=0;b=f[a>>2]|0;if(!b)return;c=a+4|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);br(b);return}function Jm(a,b){a=a|0;b=b|0;var c=0;c=f[b>>2]|0;return (1<<(c&31)&f[(f[a+28>>2]|0)+(c>>>5<<2)>>2]|0)!=0|0}function Km(a,b,c){a=a|0;b=b|0;c=c|0;return Sa[f[(f[a>>2]|0)+44>>2]&31](a,b,c)|0}function Lm(a){a=a|0;var c=0;Al(a);c=a+64|0;f[a+88>>2]=0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;f[c+12>>2]=0;f[c+16>>2]=0;b[c+20>>0]=0;return}function Mm(a){a=a|0;f[a>>2]=2796;tj(a+88|0);br(a);return}function Nm(a){a=a|0;var b=0;f[a>>2]=3276;b=f[a+36>>2]|0;if(b|0)br(b);b=f[a+24>>2]|0;if(!b)return;br(b);return}function Om(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;if((f[b+4>>2]|0)==(c|0)?(c=b+28|0,(f[c>>2]|0)!=1):0)f[c>>2]=d;return}function Pm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=$(f);pg(a,b,c,d,e,f);return}function Qm(a){a=a|0;var b=0,c=0,d=0;b=u;u=u+16|0;c=b;if((uk(a)|0)==0?(Sa[f[a+32>>2]&31](a,c,1)|0)==1:0)d=h[c>>0]|0;else d=-1;u=b;return d|0}function Rm(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;f[a+104>>2]=b;c=f[a+8>>2]|0;d=f[a+4>>2]|0;e=c-d|0;f[a+108>>2]=e;f[a+100>>2]=(b|0)!=0&(e|0)>(b|0)?d+b|0:c;return}function Sm(a){a=a|0;var b=0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;b=a+16|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;f[b+12>>2]=0;f[b+16>>2]=0;return}function Tm(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=$(g);pg(f[a>>2]|0,b,c,d,e,g);return}function Um(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=$(f);Pm(a,b,c,d,e,f);return}function Vm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return cm(a,b,c,d,e,f)|0}function Wm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return dm(a,b,c,d,e,f)|0}function Xm(a){a=a|0;var b=0,c=0;if(!a)return;b=f[a>>2]|0;if(b|0){c=a+4|0;if((f[c>>2]|0)!=(b|0))f[c>>2]=b;br(b)}br(a);return}function Ym(a){a=a|0;f[a>>2]=2544;tj(a+88|0);br(a);return}function Zm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return em(a,b,c,d,e,f)|0}function _m(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return fm(a,b,c,d,e,f)|0}function $m(a){a=a|0;f[a>>2]=2796;tj(a+88|0);return}function an(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0;e=u;u=u+16|0;g=e|0;Bd(a,b,c,d,g)|0;u=e;return (I=f[g+4>>2]|0,f[g>>2]|0)|0}function bn(a){a=a|0;var b=0;$n(a);f[a>>2]=5840;b=a+84|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;f[b+12>>2]=0;f[b+16>>2]=0;f[b+20>>2]=0;return}function cn(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return hm(a,b,c,d,e,f)|0}function dn(a){a=a|0;var b=0,c=0;b=(a|0)==0?1:a;while(1){a=$a(b)|0;if(a|0){c=a;break}a=$p()|0;if(!a){c=0;break}Ua[a&3]()}return c|0}function en(a,b,c){a=a|0;b=b|0;c=c|0;ac(a,b,c);return}function fn(a,b,c){a=a|0;b=b|0;c=c|0;f[a+4>>2]=b;f[a+8>>2]=f[(f[(f[b+4>>2]|0)+8>>2]|0)+(c<<2)>>2];f[a+12>>2]=c;return 1}function gn(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return pm(a,b,c,d,e,f)|0}function hn(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return qm(a,b,c,d,e,f)|0}function jn(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=$(f);Tm(a,b,c,d,e,f);return}function kn(a){a=a|0;f[a>>2]=2544;tj(a+88|0);return}function ln(a){a=a|0;var b=0,c=0,d=0;b=u;u=u+16|0;c=b;d=dr(f[a+60>>2]|0)|0;f[c>>2]=d;d=ro(Ba(6,c|0)|0)|0;u=b;return d|0}function mn(){var a=0,b=0;a=u;u=u+16|0;if(!(Ka(18612,3)|0)){b=Ia(f[4654]|0)|0;u=a;return b|0}else Dn(17746,a);return 0}function nn(a){a=a|0;var b=0;if(!a)return;b=f[a>>2]|0;f[a>>2]=0;if(b|0)Va[f[(f[b>>2]|0)+4>>2]&127](b);br(a);return}function on(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0;e=a;a=c;c=Rl(e,a)|0;f=I;return (I=(X(b,a)|0)+(X(d,e)|0)+f|f&0,c|0|0)|0}function pn(a,b){a=a|0;b=b|0;Sg(a,b);f[a>>2]=1276;b=a+36|0;a=b+40|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(a|0));return}function qn(a){a=a|0;Gi(a);br(a);return}function rn(a){a=a|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;f[a+16>>2]=0;f[a+20>>2]=0;f[a+24>>2]=0;f[a+28>>2]=0;return}function sn(a){a=a|0;var b=0;b=u;u=u+16|0;wc(a);if(!(La(f[4654]|0,0)|0)){u=b;return}else Dn(17845,b)}function tn(a){a=a|0;var b=0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;b=a+16|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;f[b+12>>2]=0;return}function un(a,b){a=a|0;b=b|0;return eg(a+40|0,b)|0}function vn(a,b){a=a|0;b=b|0;return $i(a,b,Aq(b)|0)|0}function 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Va=[kr,Ij,Qj,fr,$q,um,Yl,Wk,Uq,gi,zp,zi,pp,wh,Ro,zm,tm,Vl,Uq,Hl,Hl,Uk,Jk,_k,Ok,fr,$q,Uq,Li,Ul,Hl,Rk,Gk,Xk,Mk,fr,$q,Uq,Ii,Kl,zm,tm,fr,$q,$q,mj,Bl,ym,gm,kn,Ym,fr,$q,$q,kj,sl,sm,Zl,$m,Mm,fr,$q,ok,hk,Qj,Sj,Vj,Vj,am,Bm,Mc,Jl,Ve,Yn,rk,jk,Lk,Fk,Em,rm,xk,nk,Nk,Ik,Nm,vm,Fm,xm,Gi,qn,Se,Ln,aj,Uq,Lp,Oo,Fn,fr,$q,Uq,Lp,Mo,Lp,Mo,Dk,wk,rb,wg,cq,fr,dq,fr,fr,dq,Cp,lq,lq,sn,kr,kr,kr,kr,kr,kr,kr,kr,kr,kr];var Wa=[Zq,ik,Rf,Ri,Nn,ib,lb,sc,mo,ej,ej,pk,Ec,Zq,Zq,Zq];var Xa=[Kq,ze,Yi,$b,fc,Fc,$b,fc,uj,Ej,Hg,oj,ug,If,Kq,Kq];var Ya=[wq,Dg,Zf,Wl,Zk,wq,wq,wq];var Za=[_p,ij,Vg,_p];var _a=[Ep,Il,Kk,Ep];return{___cxa_can_catch:_l,___cxa_is_pointer_type:Co,___divdi3:zk,___muldi3:on,___udivdi3:up,___uremdi3:an,_bitshift64Lshr:Wn,_bitshift64Shl:Rn,_emscripten_bind_DracoInt8Array_DracoInt8Array_0:op,_emscripten_bind_DracoInt8Array_GetValue_1:Vo,_emscripten_bind_DracoInt8Array___destroy___0:Xm,_emscripten_bind_DracoInt8Array_size_0:Kp,_emscripten_bind_Encoder_EncodeMeshToDracoBuffer_2:jo,_emscripten_bind_Encoder_EncodePointCloudToDracoBuffer_3:An,_emscripten_bind_Encoder_Encoder_0:Vp,_emscripten_bind_Encoder_GetNumberOfEncodedFaces_0:Ap,_emscripten_bind_Encoder_GetNumberOfEncodedPoints_0:xp,_emscripten_bind_Encoder_SetAttributeExplicitQuantization_5:Um,_emscripten_bind_Encoder_SetAttributeQuantization_2:fo,_emscripten_bind_Encoder_SetEncodingMethod_1:mp,_emscripten_bind_Encoder_SetSpeedOptions_2:So,_emscripten_bind_Encoder_SetTrackEncodedProperties_1:Zo,_emscripten_bind_Encoder___destroy___0:Hj,_emscripten_bind_ExpertEncoder_EncodeToDracoBuffer_2:so,_emscripten_bind_ExpertEncoder_ExpertEncoder_1:Fo,_emscripten_bind_ExpertEncoder_GetNumberOfEncodedFaces_0:ip,_emscripten_bind_ExpertEncoder_GetNumberOfEncodedPoints_0:fp,_emscripten_bind_ExpertEncoder_SetAttributeExplicitQuantization_5:jn,_emscripten_bind_ExpertEncoder_SetAttributeQuantization_2:wo,_emscripten_bind_ExpertEncoder_SetEncodingMethod_1:bp,_emscripten_bind_ExpertEncoder_SetSpeedOptions_2:Ko,_emscripten_bind_ExpertEncoder_SetTrackEncodedProperties_1:No,_emscripten_bind_ExpertEncoder___destroy___0:nn,_emscripten_bind_GeometryAttribute_GeometryAttribute_0:ap,_emscripten_bind_GeometryAttribute___destroy___0:Op,_emscripten_bind_MeshBuilder_AddFacesToMesh_3:io,_emscripten_bind_MeshBuilder_AddFloatAttributeToMesh_5:hn,_emscripten_bind_MeshBuilder_AddFloatAttribute_5:hn,_emscripten_bind_MeshBuilder_AddInt16Attribute_5:_m,_emscripten_bind_MeshBuilder_AddInt32AttributeToMesh_5:gn,_emscripten_bind_MeshBuilder_AddInt32Attribute_5:gn,_emscripten_bind_MeshBuilder_AddInt8Attribute_5:cn,_emscripten_bind_MeshBuilder_AddMetadataToMesh_2:po,_emscripten_bind_MeshBuilder_AddMetadata_2:oo,_emscripten_bind_MeshBuilder_AddUInt16Attribute_5:Wm,_emscripten_bind_MeshBuilder_AddUInt32Attribute_5:Vm,_emscripten_bind_MeshBuilder_AddUInt8Attribute_5:Zm,_emscripten_bind_MeshBuilder_MeshBuilder_0:Nq,_emscripten_bind_MeshBuilder_SetMetadataForAttribute_3:yn,_emscripten_bind_MeshBuilder___destroy___0:Op,_emscripten_bind_Mesh_Mesh_0:Xp,_emscripten_bind_Mesh___destroy___0:Ho,_emscripten_bind_Mesh_num_attributes_0:sp,_emscripten_bind_Mesh_num_faces_0:lp,_emscripten_bind_Mesh_num_points_0:uq,_emscripten_bind_Mesh_set_num_points_1:Up,_emscripten_bind_MetadataBuilder_AddDoubleEntry_3:Zn,_emscripten_bind_MetadataBuilder_AddIntEntry_3:bo,_emscripten_bind_MetadataBuilder_AddStringEntry_3:Xn,_emscripten_bind_MetadataBuilder_MetadataBuilder_0:Nq,_emscripten_bind_MetadataBuilder___destroy___0:Op,_emscripten_bind_Metadata_Metadata_0:Ml,_emscripten_bind_Metadata___destroy___0:cp,_emscripten_bind_PointAttribute_PointAttribute_0:hp,_emscripten_bind_PointAttribute___destroy___0:xj,_emscripten_bind_PointAttribute_attribute_type_0:aq,_emscripten_bind_PointAttribute_byte_offset_0:gq,_emscripten_bind_PointAttribute_byte_stride_0:nq,_emscripten_bind_PointAttribute_data_type_0:jq,_emscripten_bind_PointAttribute_normalized_0:Yp,_emscripten_bind_PointAttribute_num_components_0:eq,_emscripten_bind_PointAttribute_size_0:uq,_emscripten_bind_PointAttribute_unique_id_0:iq,_emscripten_bind_PointCloudBuilder_AddFloatAttribute_5:hn,_emscripten_bind_PointCloudBuilder_AddInt16Attribute_5:_m,_emscripten_bind_PointCloudBuilder_AddInt32Attribute_5:gn,_emscripten_bind_PointCloudBuilder_AddInt8Attribute_5:cn,_emscripten_bind_PointCloudBuilder_AddMetadata_2:oo,_emscripten_bind_PointCloudBuilder_AddUInt16Attribute_5:Wm,_emscripten_bind_PointCloudBuilder_AddUInt32Attribute_5:Vm,_emscripten_bind_PointCloudBuilder_AddUInt8Attribute_5:Zm,_emscripten_bind_PointCloudBuilder_PointCloudBuilder_0:Nq,_emscripten_bind_PointCloudBuilder_SetMetadataForAttribute_3:yn,_emscripten_bind_PointCloudBuilder___destroy___0:Op,_emscripten_bind_PointCloud_PointCloud_0:yp,_emscripten_bind_PointCloud___destroy___0:Ho,_emscripten_bind_PointCloud_num_attributes_0:sp,_emscripten_bind_PointCloud_num_points_0:uq,_emscripten_bind_VoidPtr___destroy___0:Op,_emscripten_enum_draco_EncodedGeometryType_INVALID_GEOMETRY_TYPE:Mq,_emscripten_enum_draco_EncodedGeometryType_POINT_CLOUD:Lq,_emscripten_enum_draco_EncodedGeometryType_TRIANGULAR_MESH:Qq,_emscripten_enum_draco_GeometryAttribute_Type_COLOR:Rq,_emscripten_enum_draco_GeometryAttribute_Type_GENERIC:Oq,_emscripten_enum_draco_GeometryAttribute_Type_INVALID:Mq,_emscripten_enum_draco_GeometryAttribute_Type_NORMAL:Qq,_emscripten_enum_draco_GeometryAttribute_Type_POSITION:Lq,_emscripten_enum_draco_GeometryAttribute_Type_TEX_COORD:Jq,_emscripten_enum_draco_MeshEncoderMethod_MESH_EDGEBREAKER_ENCODING:Qq,_emscripten_enum_draco_MeshEncoderMethod_MESH_SEQUENTIAL_ENCODING:Lq,_emscripten_replace_memory:Pa,_free:wc,_i64Add:Tn,_i64Subtract:Vn,_llvm_bswap_i32:Fp,_malloc:$a,_memcpy:Rg,_memmove:Xl,_memset:hj,_sbrk:Fl,dynCall_ii:hq,dynCall_iii:Dp,dynCall_iiii:Uo,dynCall_iiiiiii:En,dynCall_v:Vq,dynCall_vi:xq,dynCall_vii:Tp,dynCall_viii:gp,dynCall_viiii:Io,dynCall_viiiii:qo,dynCall_viiiiii:Mn,establishStackSpace:rq,getTempRet0:hr,runPostSets:Sn,setTempRet0:cr,setThrew:Qp,stackAlloc:jp,stackRestore:ar,stackSave:jr}}) + + +// EMSCRIPTEN_END_ASM +(Module.asmGlobalArg,Module.asmLibraryArg,buffer);var ___cxa_can_catch=Module["___cxa_can_catch"]=asm["___cxa_can_catch"];var ___cxa_is_pointer_type=Module["___cxa_is_pointer_type"]=asm["___cxa_is_pointer_type"];var ___divdi3=Module["___divdi3"]=asm["___divdi3"];var ___muldi3=Module["___muldi3"]=asm["___muldi3"];var ___udivdi3=Module["___udivdi3"]=asm["___udivdi3"];var ___uremdi3=Module["___uremdi3"]=asm["___uremdi3"];var _bitshift64Lshr=Module["_bitshift64Lshr"]=asm["_bitshift64Lshr"];var _bitshift64Shl=Module["_bitshift64Shl"]=asm["_bitshift64Shl"];var _emscripten_bind_DracoInt8Array_DracoInt8Array_0=Module["_emscripten_bind_DracoInt8Array_DracoInt8Array_0"]=asm["_emscripten_bind_DracoInt8Array_DracoInt8Array_0"];var _emscripten_bind_DracoInt8Array_GetValue_1=Module["_emscripten_bind_DracoInt8Array_GetValue_1"]=asm["_emscripten_bind_DracoInt8Array_GetValue_1"];var _emscripten_bind_DracoInt8Array___destroy___0=Module["_emscripten_bind_DracoInt8Array___destroy___0"]=asm["_emscripten_bind_DracoInt8Array___destroy___0"];var _emscripten_bind_DracoInt8Array_size_0=Module["_emscripten_bind_DracoInt8Array_size_0"]=asm["_emscripten_bind_DracoInt8Array_size_0"];var _emscripten_bind_Encoder_EncodeMeshToDracoBuffer_2=Module["_emscripten_bind_Encoder_EncodeMeshToDracoBuffer_2"]=asm["_emscripten_bind_Encoder_EncodeMeshToDracoBuffer_2"];var _emscripten_bind_Encoder_EncodePointCloudToDracoBuffer_3=Module["_emscripten_bind_Encoder_EncodePointCloudToDracoBuffer_3"]=asm["_emscripten_bind_Encoder_EncodePointCloudToDracoBuffer_3"];var _emscripten_bind_Encoder_Encoder_0=Module["_emscripten_bind_Encoder_Encoder_0"]=asm["_emscripten_bind_Encoder_Encoder_0"];var _emscripten_bind_Encoder_GetNumberOfEncodedFaces_0=Module["_emscripten_bind_Encoder_GetNumberOfEncodedFaces_0"]=asm["_emscripten_bind_Encoder_GetNumberOfEncodedFaces_0"];var _emscripten_bind_Encoder_GetNumberOfEncodedPoints_0=Module["_emscripten_bind_Encoder_GetNumberOfEncodedPoints_0"]=asm["_emscripten_bind_Encoder_GetNumberOfEncodedPoints_0"];var _emscripten_bind_Encoder_SetAttributeExplicitQuantization_5=Module["_emscripten_bind_Encoder_SetAttributeExplicitQuantization_5"]=asm["_emscripten_bind_Encoder_SetAttributeExplicitQuantization_5"];var _emscripten_bind_Encoder_SetAttributeQuantization_2=Module["_emscripten_bind_Encoder_SetAttributeQuantization_2"]=asm["_emscripten_bind_Encoder_SetAttributeQuantization_2"];var _emscripten_bind_Encoder_SetEncodingMethod_1=Module["_emscripten_bind_Encoder_SetEncodingMethod_1"]=asm["_emscripten_bind_Encoder_SetEncodingMethod_1"];var _emscripten_bind_Encoder_SetSpeedOptions_2=Module["_emscripten_bind_Encoder_SetSpeedOptions_2"]=asm["_emscripten_bind_Encoder_SetSpeedOptions_2"];var _emscripten_bind_Encoder_SetTrackEncodedProperties_1=Module["_emscripten_bind_Encoder_SetTrackEncodedProperties_1"]=asm["_emscripten_bind_Encoder_SetTrackEncodedProperties_1"];var _emscripten_bind_Encoder___destroy___0=Module["_emscripten_bind_Encoder___destroy___0"]=asm["_emscripten_bind_Encoder___destroy___0"];var _emscripten_bind_ExpertEncoder_EncodeToDracoBuffer_2=Module["_emscripten_bind_ExpertEncoder_EncodeToDracoBuffer_2"]=asm["_emscripten_bind_ExpertEncoder_EncodeToDracoBuffer_2"];var _emscripten_bind_ExpertEncoder_ExpertEncoder_1=Module["_emscripten_bind_ExpertEncoder_ExpertEncoder_1"]=asm["_emscripten_bind_ExpertEncoder_ExpertEncoder_1"];var _emscripten_bind_ExpertEncoder_GetNumberOfEncodedFaces_0=Module["_emscripten_bind_ExpertEncoder_GetNumberOfEncodedFaces_0"]=asm["_emscripten_bind_ExpertEncoder_GetNumberOfEncodedFaces_0"];var _emscripten_bind_ExpertEncoder_GetNumberOfEncodedPoints_0=Module["_emscripten_bind_ExpertEncoder_GetNumberOfEncodedPoints_0"]=asm["_emscripten_bind_ExpertEncoder_GetNumberOfEncodedPoints_0"];var _emscripten_bind_ExpertEncoder_SetAttributeExplicitQuantization_5=Module["_emscripten_bind_ExpertEncoder_SetAttributeExplicitQuantization_5"]=asm["_emscripten_bind_ExpertEncoder_SetAttributeExplicitQuantization_5"];var _emscripten_bind_ExpertEncoder_SetAttributeQuantization_2=Module["_emscripten_bind_ExpertEncoder_SetAttributeQuantization_2"]=asm["_emscripten_bind_ExpertEncoder_SetAttributeQuantization_2"];var _emscripten_bind_ExpertEncoder_SetEncodingMethod_1=Module["_emscripten_bind_ExpertEncoder_SetEncodingMethod_1"]=asm["_emscripten_bind_ExpertEncoder_SetEncodingMethod_1"];var _emscripten_bind_ExpertEncoder_SetSpeedOptions_2=Module["_emscripten_bind_ExpertEncoder_SetSpeedOptions_2"]=asm["_emscripten_bind_ExpertEncoder_SetSpeedOptions_2"];var _emscripten_bind_ExpertEncoder_SetTrackEncodedProperties_1=Module["_emscripten_bind_ExpertEncoder_SetTrackEncodedProperties_1"]=asm["_emscripten_bind_ExpertEncoder_SetTrackEncodedProperties_1"];var _emscripten_bind_ExpertEncoder___destroy___0=Module["_emscripten_bind_ExpertEncoder___destroy___0"]=asm["_emscripten_bind_ExpertEncoder___destroy___0"];var _emscripten_bind_GeometryAttribute_GeometryAttribute_0=Module["_emscripten_bind_GeometryAttribute_GeometryAttribute_0"]=asm["_emscripten_bind_GeometryAttribute_GeometryAttribute_0"];var _emscripten_bind_GeometryAttribute___destroy___0=Module["_emscripten_bind_GeometryAttribute___destroy___0"]=asm["_emscripten_bind_GeometryAttribute___destroy___0"];var _emscripten_bind_MeshBuilder_AddFacesToMesh_3=Module["_emscripten_bind_MeshBuilder_AddFacesToMesh_3"]=asm["_emscripten_bind_MeshBuilder_AddFacesToMesh_3"];var _emscripten_bind_MeshBuilder_AddFloatAttributeToMesh_5=Module["_emscripten_bind_MeshBuilder_AddFloatAttributeToMesh_5"]=asm["_emscripten_bind_MeshBuilder_AddFloatAttributeToMesh_5"];var _emscripten_bind_MeshBuilder_AddFloatAttribute_5=Module["_emscripten_bind_MeshBuilder_AddFloatAttribute_5"]=asm["_emscripten_bind_MeshBuilder_AddFloatAttribute_5"];var _emscripten_bind_MeshBuilder_AddInt16Attribute_5=Module["_emscripten_bind_MeshBuilder_AddInt16Attribute_5"]=asm["_emscripten_bind_MeshBuilder_AddInt16Attribute_5"];var _emscripten_bind_MeshBuilder_AddInt32AttributeToMesh_5=Module["_emscripten_bind_MeshBuilder_AddInt32AttributeToMesh_5"]=asm["_emscripten_bind_MeshBuilder_AddInt32AttributeToMesh_5"];var _emscripten_bind_MeshBuilder_AddInt32Attribute_5=Module["_emscripten_bind_MeshBuilder_AddInt32Attribute_5"]=asm["_emscripten_bind_MeshBuilder_AddInt32Attribute_5"];var _emscripten_bind_MeshBuilder_AddInt8Attribute_5=Module["_emscripten_bind_MeshBuilder_AddInt8Attribute_5"]=asm["_emscripten_bind_MeshBuilder_AddInt8Attribute_5"];var _emscripten_bind_MeshBuilder_AddMetadataToMesh_2=Module["_emscripten_bind_MeshBuilder_AddMetadataToMesh_2"]=asm["_emscripten_bind_MeshBuilder_AddMetadataToMesh_2"];var _emscripten_bind_MeshBuilder_AddMetadata_2=Module["_emscripten_bind_MeshBuilder_AddMetadata_2"]=asm["_emscripten_bind_MeshBuilder_AddMetadata_2"];var _emscripten_bind_MeshBuilder_AddUInt16Attribute_5=Module["_emscripten_bind_MeshBuilder_AddUInt16Attribute_5"]=asm["_emscripten_bind_MeshBuilder_AddUInt16Attribute_5"];var _emscripten_bind_MeshBuilder_AddUInt32Attribute_5=Module["_emscripten_bind_MeshBuilder_AddUInt32Attribute_5"]=asm["_emscripten_bind_MeshBuilder_AddUInt32Attribute_5"];var _emscripten_bind_MeshBuilder_AddUInt8Attribute_5=Module["_emscripten_bind_MeshBuilder_AddUInt8Attribute_5"]=asm["_emscripten_bind_MeshBuilder_AddUInt8Attribute_5"];var _emscripten_bind_MeshBuilder_MeshBuilder_0=Module["_emscripten_bind_MeshBuilder_MeshBuilder_0"]=asm["_emscripten_bind_MeshBuilder_MeshBuilder_0"];var _emscripten_bind_MeshBuilder_SetMetadataForAttribute_3=Module["_emscripten_bind_MeshBuilder_SetMetadataForAttribute_3"]=asm["_emscripten_bind_MeshBuilder_SetMetadataForAttribute_3"];var _emscripten_bind_MeshBuilder___destroy___0=Module["_emscripten_bind_MeshBuilder___destroy___0"]=asm["_emscripten_bind_MeshBuilder___destroy___0"];var _emscripten_bind_Mesh_Mesh_0=Module["_emscripten_bind_Mesh_Mesh_0"]=asm["_emscripten_bind_Mesh_Mesh_0"];var _emscripten_bind_Mesh___destroy___0=Module["_emscripten_bind_Mesh___destroy___0"]=asm["_emscripten_bind_Mesh___destroy___0"];var _emscripten_bind_Mesh_num_attributes_0=Module["_emscripten_bind_Mesh_num_attributes_0"]=asm["_emscripten_bind_Mesh_num_attributes_0"];var _emscripten_bind_Mesh_num_faces_0=Module["_emscripten_bind_Mesh_num_faces_0"]=asm["_emscripten_bind_Mesh_num_faces_0"];var _emscripten_bind_Mesh_num_points_0=Module["_emscripten_bind_Mesh_num_points_0"]=asm["_emscripten_bind_Mesh_num_points_0"];var _emscripten_bind_Mesh_set_num_points_1=Module["_emscripten_bind_Mesh_set_num_points_1"]=asm["_emscripten_bind_Mesh_set_num_points_1"];var _emscripten_bind_MetadataBuilder_AddDoubleEntry_3=Module["_emscripten_bind_MetadataBuilder_AddDoubleEntry_3"]=asm["_emscripten_bind_MetadataBuilder_AddDoubleEntry_3"];var _emscripten_bind_MetadataBuilder_AddIntEntry_3=Module["_emscripten_bind_MetadataBuilder_AddIntEntry_3"]=asm["_emscripten_bind_MetadataBuilder_AddIntEntry_3"];var _emscripten_bind_MetadataBuilder_AddStringEntry_3=Module["_emscripten_bind_MetadataBuilder_AddStringEntry_3"]=asm["_emscripten_bind_MetadataBuilder_AddStringEntry_3"];var _emscripten_bind_MetadataBuilder_MetadataBuilder_0=Module["_emscripten_bind_MetadataBuilder_MetadataBuilder_0"]=asm["_emscripten_bind_MetadataBuilder_MetadataBuilder_0"];var _emscripten_bind_MetadataBuilder___destroy___0=Module["_emscripten_bind_MetadataBuilder___destroy___0"]=asm["_emscripten_bind_MetadataBuilder___destroy___0"];var _emscripten_bind_Metadata_Metadata_0=Module["_emscripten_bind_Metadata_Metadata_0"]=asm["_emscripten_bind_Metadata_Metadata_0"];var _emscripten_bind_Metadata___destroy___0=Module["_emscripten_bind_Metadata___destroy___0"]=asm["_emscripten_bind_Metadata___destroy___0"];var _emscripten_bind_PointAttribute_PointAttribute_0=Module["_emscripten_bind_PointAttribute_PointAttribute_0"]=asm["_emscripten_bind_PointAttribute_PointAttribute_0"];var _emscripten_bind_PointAttribute___destroy___0=Module["_emscripten_bind_PointAttribute___destroy___0"]=asm["_emscripten_bind_PointAttribute___destroy___0"];var _emscripten_bind_PointAttribute_attribute_type_0=Module["_emscripten_bind_PointAttribute_attribute_type_0"]=asm["_emscripten_bind_PointAttribute_attribute_type_0"];var _emscripten_bind_PointAttribute_byte_offset_0=Module["_emscripten_bind_PointAttribute_byte_offset_0"]=asm["_emscripten_bind_PointAttribute_byte_offset_0"];var _emscripten_bind_PointAttribute_byte_stride_0=Module["_emscripten_bind_PointAttribute_byte_stride_0"]=asm["_emscripten_bind_PointAttribute_byte_stride_0"];var _emscripten_bind_PointAttribute_data_type_0=Module["_emscripten_bind_PointAttribute_data_type_0"]=asm["_emscripten_bind_PointAttribute_data_type_0"];var _emscripten_bind_PointAttribute_normalized_0=Module["_emscripten_bind_PointAttribute_normalized_0"]=asm["_emscripten_bind_PointAttribute_normalized_0"];var _emscripten_bind_PointAttribute_num_components_0=Module["_emscripten_bind_PointAttribute_num_components_0"]=asm["_emscripten_bind_PointAttribute_num_components_0"];var _emscripten_bind_PointAttribute_size_0=Module["_emscripten_bind_PointAttribute_size_0"]=asm["_emscripten_bind_PointAttribute_size_0"];var _emscripten_bind_PointAttribute_unique_id_0=Module["_emscripten_bind_PointAttribute_unique_id_0"]=asm["_emscripten_bind_PointAttribute_unique_id_0"];var _emscripten_bind_PointCloudBuilder_AddFloatAttribute_5=Module["_emscripten_bind_PointCloudBuilder_AddFloatAttribute_5"]=asm["_emscripten_bind_PointCloudBuilder_AddFloatAttribute_5"];var _emscripten_bind_PointCloudBuilder_AddInt16Attribute_5=Module["_emscripten_bind_PointCloudBuilder_AddInt16Attribute_5"]=asm["_emscripten_bind_PointCloudBuilder_AddInt16Attribute_5"];var _emscripten_bind_PointCloudBuilder_AddInt32Attribute_5=Module["_emscripten_bind_PointCloudBuilder_AddInt32Attribute_5"]=asm["_emscripten_bind_PointCloudBuilder_AddInt32Attribute_5"];var _emscripten_bind_PointCloudBuilder_AddInt8Attribute_5=Module["_emscripten_bind_PointCloudBuilder_AddInt8Attribute_5"]=asm["_emscripten_bind_PointCloudBuilder_AddInt8Attribute_5"];var _emscripten_bind_PointCloudBuilder_AddMetadata_2=Module["_emscripten_bind_PointCloudBuilder_AddMetadata_2"]=asm["_emscripten_bind_PointCloudBuilder_AddMetadata_2"];var _emscripten_bind_PointCloudBuilder_AddUInt16Attribute_5=Module["_emscripten_bind_PointCloudBuilder_AddUInt16Attribute_5"]=asm["_emscripten_bind_PointCloudBuilder_AddUInt16Attribute_5"];var _emscripten_bind_PointCloudBuilder_AddUInt32Attribute_5=Module["_emscripten_bind_PointCloudBuilder_AddUInt32Attribute_5"]=asm["_emscripten_bind_PointCloudBuilder_AddUInt32Attribute_5"];var _emscripten_bind_PointCloudBuilder_AddUInt8Attribute_5=Module["_emscripten_bind_PointCloudBuilder_AddUInt8Attribute_5"]=asm["_emscripten_bind_PointCloudBuilder_AddUInt8Attribute_5"];var _emscripten_bind_PointCloudBuilder_PointCloudBuilder_0=Module["_emscripten_bind_PointCloudBuilder_PointCloudBuilder_0"]=asm["_emscripten_bind_PointCloudBuilder_PointCloudBuilder_0"];var _emscripten_bind_PointCloudBuilder_SetMetadataForAttribute_3=Module["_emscripten_bind_PointCloudBuilder_SetMetadataForAttribute_3"]=asm["_emscripten_bind_PointCloudBuilder_SetMetadataForAttribute_3"];var _emscripten_bind_PointCloudBuilder___destroy___0=Module["_emscripten_bind_PointCloudBuilder___destroy___0"]=asm["_emscripten_bind_PointCloudBuilder___destroy___0"];var _emscripten_bind_PointCloud_PointCloud_0=Module["_emscripten_bind_PointCloud_PointCloud_0"]=asm["_emscripten_bind_PointCloud_PointCloud_0"];var _emscripten_bind_PointCloud___destroy___0=Module["_emscripten_bind_PointCloud___destroy___0"]=asm["_emscripten_bind_PointCloud___destroy___0"];var _emscripten_bind_PointCloud_num_attributes_0=Module["_emscripten_bind_PointCloud_num_attributes_0"]=asm["_emscripten_bind_PointCloud_num_attributes_0"];var _emscripten_bind_PointCloud_num_points_0=Module["_emscripten_bind_PointCloud_num_points_0"]=asm["_emscripten_bind_PointCloud_num_points_0"];var 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+function(){return(ad=a._emscripten_enum_draco_EncodedGeometryType_TRIANGULAR_MESH=a.asm.zb).apply(null,arguments)},bd=a._emscripten_enum_draco_DataType_DT_INVALID=function(){return(bd=a._emscripten_enum_draco_DataType_DT_INVALID=a.asm.Ab).apply(null,arguments)},cd=a._emscripten_enum_draco_DataType_DT_INT8=function(){return(cd=a._emscripten_enum_draco_DataType_DT_INT8=a.asm.Bb).apply(null,arguments)},dd=a._emscripten_enum_draco_DataType_DT_UINT8=function(){return(dd=a._emscripten_enum_draco_DataType_DT_UINT8= 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n.ready}}(); +"object"===typeof exports&&"object"===typeof module?module.exports=DracoDecoderModule:"function"===typeof define&&define.amd?define([],function(){return DracoDecoderModule}):"object"===typeof exports&&(exports.DracoDecoderModule=DracoDecoderModule); diff --git a/node_modules/three/examples/jsm/libs/draco/gltf/draco_decoder.js b/node_modules/three/examples/jsm/libs/draco/gltf/draco_decoder.js new file mode 100644 index 0000000..7c84b0b --- /dev/null +++ b/node_modules/three/examples/jsm/libs/draco/gltf/draco_decoder.js @@ -0,0 +1,33 @@ + +var DracoDecoderModule = (() => { + var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined; + if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename; + return ( +function(DracoDecoderModule = {}) { + +var Module=typeof DracoDecoderModule!="undefined"?DracoDecoderModule:{};var readyPromiseResolve,readyPromiseReject;Module["ready"]=new Promise(function(resolve,reject){readyPromiseResolve=resolve;readyPromiseReject=reject});var isRuntimeInitialized=false;var isModuleParsed=false;Module["onRuntimeInitialized"]=function(){isRuntimeInitialized=true;if(isModuleParsed){if(typeof Module["onModuleLoaded"]==="function"){Module["onModuleLoaded"](Module)}}};Module["onModuleParsed"]=function(){isModuleParsed=true;if(isRuntimeInitialized){if(typeof Module["onModuleLoaded"]==="function"){Module["onModuleLoaded"](Module)}}};function isVersionSupported(versionString){if(typeof versionString!=="string")return false;const version=versionString.split(".");if(version.length<2||version.length>3)return false;if(version[0]==1&&version[1]>=0&&version[1]<=5)return true;if(version[0]!=0||version[1]>10)return false;return true}Module["isVersionSupported"]=isVersionSupported;var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var ENVIRONMENT_IS_WEB=typeof 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ret=read_(filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}return ret};readAsync=(filename,onload,onerror)=>{var ret=tryParseAsDataURI(filename);if(ret){onload(ret)}filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);fs.readFile(filename,function(err,data){if(err)onerror(err);else onload(data.buffer)})};if(process["argv"].length>1){thisProgram=process["argv"][1].replace(/\\/g,"/")}arguments_=process["argv"].slice(2);quit_=(status,toThrow)=>{if(keepRuntimeAlive()){process["exitCode"]=status;throw toThrow}logExceptionOnExit(toThrow);process["exit"](status)};Module["inspect"]=function(){return"[Emscripten Module object]"}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}else{scriptDirectory=""}{read_=url=>{try{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText}catch(err){var data=tryParseAsDataURI(url);if(data){return intArrayToString(data)}throw err}};if(ENVIRONMENT_IS_WORKER){readBinary=url=>{try{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}catch(err){var data=tryParseAsDataURI(url);if(data){return data}throw err}}}readAsync=(url,onload,onerror)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}var 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v}}b=b-4|0;F[e+52>>2]=b;a=a+b|0;a=(G[a|0]|G[a+1|0]<<8|(G[a+2|0]<<16|G[a+3|0]<<24))&1073741823}F[e+56>>2]=a+32768;d=a>>>0<8355840}Z=k+16|0;if(!d){break s}if(!o){m=1;break s}b=F[e+52>>2];a=F[e+56>>2];c=F[e+36>>2];d=F[e+48>>2];f=F[e+24>>2];while(1){w:{if(a>>>0>32767){break w}while(1){if((b|0)<=0){break w}b=b-1|0;F[e+52>>2]=b;a=G[b+d|0]|a<<8;F[e+56>>2]=a;if(a>>>0<32768){continue}break}}m=a&8191;k=F[f+(m<<2)>>2];g=c+(k<<3)|0;a=(L(F[g>>2],a>>>13|0)+m|0)-F[g+4>>2]|0;F[e+56>>2]=a;F[r+(q<<2)>>2]=k;m=1;q=q+1|0;if((o|0)!=(q|0)){continue}break}}a=F[e+36>>2];if(a){F[e+40>>2]=a;ja(a)}a=F[e+24>>2];if(a){F[e+28>>2]=a;ja(a)}a=F[e+8>>2];if(a){F[e+12>>2]=a;ja(a)}Z=e- -64|0;b=m;break g;case 9:o=a;r=d;g=Z+-64|0;Z=g;F[g+56>>2]=0;F[g+48>>2]=0;F[g+52>>2]=0;F[g+40>>2]=0;F[g+44>>2]=0;F[g+32>>2]=0;F[g+36>>2]=0;F[g+24>>2]=0;F[g+28>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;F[g+8>>2]=0;F[g+12>>2]=0;h=g+8|0;x:{y:{if(!H[c+38>>1]){break y}if(!Ta(1,h+12|0,c)){break 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E}F[h+20>>2]=d+131072}d=h+28|0;b=F[d>>2];f=F[h+32>>2]-b>>3;F:{if(f>>>0>>0){_a(d,i-f|0);b=F[d>>2];break F}if(f>>>0>i>>>0){F[h+32>>2]=(i<<3)+b}if(!i){break y}}j=F[a>>2];f=0;d=0;while(1){e=n+(f<<2)|0;l=F[e>>2];h=(f<<3)+b|0;a=d;F[h+4>>2]=a;F[h>>2]=l;e=F[e>>2];d=e+a|0;if(d>>>0>32768){break y}G:{if(a>>>0>=d>>>0){break G}l=0;h=e&7;if(h){while(1){F[j+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((h|0)!=(l|0)){continue}break}}if(e-1>>>0<=6){break G}while(1){e=j+(a<<2)|0;F[e>>2]=f;F[e+28>>2]=f;F[e+24>>2]=f;F[e+20>>2]=f;F[e+16>>2]=f;F[e+12>>2]=f;F[e+8>>2]=f;F[e+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((i|0)!=(f|0)){continue}break}k=(d|0)==32768}e=k}H:{if(!e|(F[g+20>>2]?0:o)){break H}d=0;f=Z-16|0;Z=f;I:{if(!Sa(1,f+8|0,c)){break I}e=F[c+8>>2];b=F[c+16>>2];k=e-b|0;j=F[f+12>>2];i=F[c+20>>2];e=F[c+12>>2]-(i+(b>>>0>e>>>0)|0)|0;a=F[f+8>>2];if((j|0)==(e|0)&k>>>0>>0|e>>>0>>0){break I}e=i+j|0;k=a+b|0;e=k>>>0>>0?e+1|0:e;F[c+16>>2]=k;F[c+20>>2]=e;if((a|0)<=0){break I}b=b+F[c>>2]|0;F[g+48>>2]=b;c=a-1|0;e=c+b|0;k=G[e|0];J:{if(k>>>0<=63){F[g+52>>2]=c;a=G[e|0]&63;break J}K:{switch((k>>>6|0)-1|0){case 0:if(a>>>0<2){break I}a=a-2|0;F[g+52>>2]=a;a=a+b|0;a=G[a+1|0]<<8&16128|G[a|0];break J;case 1:if(a>>>0<3){break I}a=a-3|0;F[g+52>>2]=a;a=a+b|0;a=G[a+1|0]<<8|G[a+2|0]<<16&4128768|G[a|0];break J;default:break K}}a=a-4|0;F[g+52>>2]=a;a=a+b|0;a=(G[a|0]|G[a+1|0]<<8|(G[a+2|0]<<16|G[a+3|0]<<24))&1073741823}F[g+56>>2]=a+131072;d=a>>>0<33423360}Z=f+16|0;if(!d){break H}if(!o){m=1;break H}b=F[g+52>>2];a=F[g+56>>2];c=F[g+36>>2];d=F[g+48>>2];f=F[g+24>>2];while(1){L:{if(a>>>0>131071){break L}while(1){if((b|0)<=0){break L}b=b-1|0;F[g+52>>2]=b;a=G[b+d|0]|a<<8;F[g+56>>2]=a;if(a>>>0<131072){continue}break}}m=a&32767;e=F[f+(m<<2)>>2];k=c+(e<<3)|0;a=(L(F[k>>2],a>>>15|0)+m|0)-F[k+4>>2]|0;F[g+56>>2]=a;F[r+(q<<2)>>2]=e;m=1;q=q+1|0;if((o|0)!=(q|0)){continue}break}}a=F[g+36>>2];if(a){F[g+40>>2]=a;ja(a)}a=F[g+24>>2];if(a){F[g+28>>2]=a;ja(a)}a=F[g+8>>2];if(a){F[g+12>>2]=a;ja(a)}Z=g- -64|0;b=m;break g;case 10:o=a;r=d;g=Z+-64|0;Z=g;F[g+56>>2]=0;F[g+48>>2]=0;F[g+52>>2]=0;F[g+40>>2]=0;F[g+44>>2]=0;F[g+32>>2]=0;F[g+36>>2]=0;F[g+24>>2]=0;F[g+28>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;F[g+8>>2]=0;F[g+12>>2]=0;h=g+8|0;M:{N:{if(!H[c+38>>1]){break N}if(!Ta(1,h+12|0,c)){break N}b=F[c+8>>2];d=F[c+16>>2];f=b-d|0;i=F[h+12>>2];b=F[c+12>>2]-(F[c+20>>2]+(b>>>0>>0)|0)|0;if(f>>>0>>6>>>0&(b|0)<=0|(b|0)<0){break N}b=F[h>>2];a=F[h+4>>2]-b>>2;O:{if(a>>>0>>0){qa(h,i-a|0);i=F[h+12>>2];break O}if(a>>>0<=i>>>0){break O}F[h+4>>2]=b+(i<<2)}e=1;if(!i){break M}f=F[c+16>>2];d=F[c+20>>2];s=F[h>>2];j=F[c+8>>2];n=F[c+12>>2];b=0;while(1){e=0;if((d|0)>=(n|0)&f>>>0>=j>>>0|(d|0)>(n|0)){break M}t=F[c>>2];p=G[t+f|0];a=d;f=f+1|0;a=f?a:a+1|0;F[c+16>>2]=f;d=a;F[c+20>>2]=a;a=p>>>2|0;l=0;P:{Q:{R:{S:{u=p&3;switch(u|0){case 0:break Q;case 3:break S;default:break R}}a=a+b|0;e=0;if(a>>>0>=i>>>0){break M}ma(s+(b<<2)|0,0,(p&252)+4|0);b=a;break P}while(1){if((f|0)==(j|0)&(d|0)==(n|0)){break N}i=G[f+t|0];e=d;f=f+1|0;e=f?e:e+1|0;F[c+16>>2]=f;d=e;F[c+20>>2]=e;a=i<<(l<<3|6)|a;l=l+1|0;if((u|0)!=(l|0)){continue}break}}F[s+(b<<2)>>2]=a}b=b+1|0;i=F[h+12>>2];if(b>>>0>>0){continue}break}a=h+16|0;n=F[h>>2];d=F[h+16>>2];b=F[h+20>>2]-d|0;T:{if(b>>>0<=262143){qa(a,65536-(b>>>2|0)|0);break T}if((b|0)==262144){break T}F[h+20>>2]=d+262144}d=h+28|0;b=F[d>>2];f=F[h+32>>2]-b>>3;U:{if(f>>>0>>0){_a(d,i-f|0);b=F[d>>2];break U}if(f>>>0>i>>>0){F[h+32>>2]=(i<<3)+b}if(!i){break N}}j=F[a>>2];f=0;d=0;while(1){e=n+(f<<2)|0;l=F[e>>2];h=(f<<3)+b|0;a=d;F[h+4>>2]=a;F[h>>2]=l;e=F[e>>2];d=e+a|0;if(d>>>0>65536){break N}V:{if(a>>>0>=d>>>0){break V}l=0;h=e&7;if(h){while(1){F[j+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((h|0)!=(l|0)){continue}break}}if(e-1>>>0<=6){break V}while(1){e=j+(a<<2)|0;F[e>>2]=f;F[e+28>>2]=f;F[e+24>>2]=f;F[e+20>>2]=f;F[e+16>>2]=f;F[e+12>>2]=f;F[e+8>>2]=f;F[e+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((i|0)!=(f|0)){continue}break}k=(d|0)==65536}e=k}W:{if(!e|(F[g+20>>2]?0:o)){break W}d=0;e=Z-16|0;Z=e;X:{if(!Sa(1,e+8|0,c)){break X}a=F[c+8>>2];f=F[c+16>>2];k=a-f|0;j=F[e+12>>2];i=F[c+20>>2];a=F[c+12>>2]-(i+(a>>>0>>0)|0)|0;b=F[e+8>>2];if((j|0)==(a|0)&k>>>0>>0|a>>>0>>0){break X}a=i+j|0;k=b+f|0;a=k>>>0>>0?a+1|0:a;F[c+16>>2]=k;F[c+20>>2]=a;if((b|0)<=0){break X}a=f+F[c>>2]|0;F[g+48>>2]=a;c=b-1|0;f=c+a|0;k=G[f|0];Y:{if(k>>>0<=63){F[g+52>>2]=c;a=G[f|0]&63;break Y}Z:{switch((k>>>6|0)-1|0){case 0:if(b>>>0<2){break X}b=b-2|0;F[g+52>>2]=b;a=a+b|0;a=G[a+1|0]<<8&16128|G[a|0];break Y;case 1:if(b>>>0<3){break X}b=b-3|0;F[g+52>>2]=b;a=a+b|0;a=G[a+1|0]<<8|G[a+2|0]<<16&4128768|G[a|0];break Y;default:break Z}}b=b-4|0;F[g+52>>2]=b;a=a+b|0;a=(G[a|0]|G[a+1|0]<<8|(G[a+2|0]<<16|G[a+3|0]<<24))&1073741823}F[g+56>>2]=a+262144;d=a>>>0<66846720}Z=e+16|0;if(!d){break W}if(!o){m=1;break W}b=F[g+52>>2];a=F[g+56>>2];c=F[g+36>>2];d=F[g+48>>2];f=F[g+24>>2];while(1){_:{if(a>>>0>262143){break _}while(1){if((b|0)<=0){break _}b=b-1|0;F[g+52>>2]=b;a=G[b+d|0]|a<<8;F[g+56>>2]=a;if(a>>>0<262144){continue}break}}m=a&65535;e=F[f+(m<<2)>>2];k=c+(e<<3)|0;a=(L(F[k>>2],a>>>16|0)+m|0)-F[k+4>>2]|0;F[g+56>>2]=a;F[r+(q<<2)>>2]=e;m=1;q=q+1|0;if((o|0)!=(q|0)){continue}break}}a=F[g+36>>2];if(a){F[g+40>>2]=a;ja(a)}a=F[g+24>>2];if(a){F[g+28>>2]=a;ja(a)}a=F[g+8>>2];if(a){F[g+12>>2]=a;ja(a)}Z=g- -64|0;b=m;break g;case 11:o=a;r=d;g=Z+-64|0;Z=g;F[g+56>>2]=0;F[g+48>>2]=0;F[g+52>>2]=0;F[g+40>>2]=0;F[g+44>>2]=0;F[g+32>>2]=0;F[g+36>>2]=0;F[g+24>>2]=0;F[g+28>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;F[g+8>>2]=0;F[g+12>>2]=0;h=g+8|0;$:{aa:{if(!H[c+38>>1]){break aa}if(!Ta(1,h+12|0,c)){break aa}b=F[c+8>>2];d=F[c+16>>2];f=b-d|0;i=F[h+12>>2];b=F[c+12>>2]-(F[c+20>>2]+(b>>>0>>0)|0)|0;if(f>>>0>>6>>>0&(b|0)<=0|(b|0)<0){break aa}b=F[h>>2];a=F[h+4>>2]-b>>2;ba:{if(a>>>0>>0){qa(h,i-a|0);i=F[h+12>>2];break ba}if(a>>>0<=i>>>0){break ba}F[h+4>>2]=b+(i<<2)}e=1;if(!i){break $}f=F[c+16>>2];d=F[c+20>>2];s=F[h>>2];j=F[c+8>>2];n=F[c+12>>2];b=0;while(1){e=0;if((d|0)>=(n|0)&f>>>0>=j>>>0|(d|0)>(n|0)){break $}t=F[c>>2];p=G[t+f|0];e=d;f=f+1|0;e=f?e:e+1|0;F[c+16>>2]=f;d=e;F[c+20>>2]=e;a=p>>>2|0;l=0;ca:{da:{ea:{fa:{e=p&3;switch(e|0){case 0:break da;case 3:break fa;default:break ea}}a=a+b|0;e=0;if(a>>>0>=i>>>0){break $}ma(s+(b<<2)|0,0,(p&252)+4|0);b=a;break ca}while(1){if((f|0)==(j|0)&(d|0)==(n|0)){break aa}i=G[f+t|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;a=i<<(l<<3|6)|a;l=l+1|0;if((e|0)!=(l|0)){continue}break}}F[s+(b<<2)>>2]=a}b=b+1|0;i=F[h+12>>2];if(b>>>0>>0){continue}break}a=h+16|0;n=F[h>>2];d=F[h+16>>2];b=F[h+20>>2]-d|0;ga:{if(b>>>0<=1048575){qa(a,262144-(b>>>2|0)|0);break ga}if((b|0)==1048576){break ga}F[h+20>>2]=d- -1048576}d=h+28|0;b=F[d>>2];f=F[h+32>>2]-b>>3;ha:{if(f>>>0>>0){_a(d,i-f|0);b=F[d>>2];break ha}if(f>>>0>i>>>0){F[h+32>>2]=(i<<3)+b}if(!i){break aa}}j=F[a>>2];f=0;d=0;while(1){e=n+(f<<2)|0;l=F[e>>2];h=(f<<3)+b|0;a=d;F[h+4>>2]=a;F[h>>2]=l;e=F[e>>2];d=e+a|0;if(d>>>0>262144){break aa}ia:{if(a>>>0>=d>>>0){break ia}l=0;h=e&7;if(h){while(1){F[j+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((h|0)!=(l|0)){continue}break}}if(e-1>>>0<=6){break ia}while(1){e=j+(a<<2)|0;F[e>>2]=f;F[e+28>>2]=f;F[e+24>>2]=f;F[e+20>>2]=f;F[e+16>>2]=f;F[e+12>>2]=f;F[e+8>>2]=f;F[e+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((i|0)!=(f|0)){continue}break}k=(d|0)==262144}e=k}ja:{if(!e|(F[g+20>>2]?0:o)){break ja}d=0;f=Z-16|0;Z=f;ka:{if(!Sa(1,f+8|0,c)){break ka}e=F[c+8>>2];b=F[c+16>>2];k=e-b|0;j=F[f+12>>2];i=F[c+20>>2];e=F[c+12>>2]-(i+(b>>>0>e>>>0)|0)|0;a=F[f+8>>2];if((j|0)==(e|0)&k>>>0>>0|e>>>0>>0){break ka}e=i+j|0;k=a+b|0;e=k>>>0>>0?e+1|0:e;F[c+16>>2]=k;F[c+20>>2]=e;if((a|0)<=0){break ka}b=b+F[c>>2]|0;F[g+48>>2]=b;c=a-1|0;e=c+b|0;k=G[e|0];la:{if(k>>>0<=63){F[g+52>>2]=c;a=G[e|0]&63;break la}ma:{switch((k>>>6|0)-1|0){case 0:if(a>>>0<2){break ka}a=a-2|0;F[g+52>>2]=a;a=a+b|0;a=G[a+1|0]<<8&16128|G[a|0];break la;case 1:if(a>>>0<3){break ka}a=a-3|0;F[g+52>>2]=a;a=a+b|0;a=G[a+1|0]<<8|G[a+2|0]<<16&4128768|G[a|0];break la;default:break ma}}a=a-4|0;F[g+52>>2]=a;a=a+b|0;a=(G[a|0]|G[a+1|0]<<8|(G[a+2|0]<<16|G[a+3|0]<<24))&1073741823}F[g+56>>2]=a- -1048576;d=a>>>0<267386880}Z=f+16|0;if(!d){break ja}if(!o){m=1;break ja}b=F[g+52>>2];a=F[g+56>>2];c=F[g+36>>2];d=F[g+48>>2];f=F[g+24>>2];while(1){na:{if(a>>>0>1048575){break na}while(1){if((b|0)<=0){break na}b=b-1|0;F[g+52>>2]=b;a=G[b+d|0]|a<<8;F[g+56>>2]=a;if(a>>>0<1048576){continue}break}}m=a&262143;e=F[f+(m<<2)>>2];k=c+(e<<3)|0;a=(L(F[k>>2],a>>>18|0)+m|0)-F[k+4>>2]|0;F[g+56>>2]=a;F[r+(q<<2)>>2]=e;m=1;q=q+1|0;if((o|0)!=(q|0)){continue}break}}a=F[g+36>>2];if(a){F[g+40>>2]=a;ja(a)}a=F[g+24>>2];if(a){F[g+28>>2]=a;ja(a)}a=F[g+8>>2];if(a){F[g+12>>2]=a;ja(a)}Z=g- -64|0;b=m;break g;case 12:o=a;r=d;e=Z+-64|0;Z=e;F[e+56>>2]=0;F[e+48>>2]=0;F[e+52>>2]=0;F[e+40>>2]=0;F[e+44>>2]=0;F[e+32>>2]=0;F[e+36>>2]=0;F[e+24>>2]=0;F[e+28>>2]=0;F[e+16>>2]=0;F[e+20>>2]=0;F[e+8>>2]=0;F[e+12>>2]=0;h=e+8|0;oa:{pa:{if(!H[c+38>>1]){break pa}if(!Ta(1,h+12|0,c)){break pa}b=F[c+8>>2];d=F[c+16>>2];f=b-d|0;i=F[h+12>>2];b=F[c+12>>2]-(F[c+20>>2]+(b>>>0>>0)|0)|0;if(f>>>0>>6>>>0&(b|0)<=0|(b|0)<0){break pa}b=F[h>>2];a=F[h+4>>2]-b>>2;qa:{if(a>>>0>>0){qa(h,i-a|0);i=F[h+12>>2];break qa}if(a>>>0<=i>>>0){break qa}F[h+4>>2]=b+(i<<2)}g=1;if(!i){break oa}f=F[c+16>>2];d=F[c+20>>2];s=F[h>>2];j=F[c+8>>2];n=F[c+12>>2];b=0;while(1){g=0;if((d|0)>=(n|0)&f>>>0>=j>>>0|(d|0)>(n|0)){break oa}g=F[c>>2];p=G[g+f|0];a=d;f=f+1|0;a=f?a:a+1|0;F[c+16>>2]=f;d=a;F[c+20>>2]=a;a=p>>>2|0;l=0;ra:{sa:{ta:{ua:{t=p&3;switch(t|0){case 0:break sa;case 3:break ua;default:break ta}}a=a+b|0;g=0;if(a>>>0>=i>>>0){break oa}ma(s+(b<<2)|0,0,(p&252)+4|0);b=a;break ra}while(1){if((f|0)==(j|0)&(d|0)==(n|0)){break pa}i=G[f+g|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;a=i<<(l<<3|6)|a;l=l+1|0;if((t|0)!=(l|0)){continue}break}}F[s+(b<<2)>>2]=a}b=b+1|0;i=F[h+12>>2];if(b>>>0>>0){continue}break}a=h+16|0;n=F[h>>2];d=F[h+16>>2];b=F[h+20>>2]-d|0;va:{if(b>>>0<=2097151){qa(a,524288-(b>>>2|0)|0);break va}if((b|0)==2097152){break va}F[h+20>>2]=d+2097152}d=h+28|0;b=F[d>>2];f=F[h+32>>2]-b>>3;wa:{if(f>>>0>>0){_a(d,i-f|0);b=F[d>>2];break wa}if(f>>>0>i>>>0){F[h+32>>2]=(i<<3)+b}if(!i){break pa}}j=F[a>>2];f=0;d=0;while(1){g=n+(f<<2)|0;l=F[g>>2];h=(f<<3)+b|0;a=d;F[h+4>>2]=a;F[h>>2]=l;g=F[g>>2];d=g+a|0;if(d>>>0>524288){break pa}xa:{if(a>>>0>=d>>>0){break xa}l=0;h=g&7;if(h){while(1){F[j+(a<<2)>>2]=f;a=a+1|0;l=l+1|0;if((h|0)!=(l|0)){continue}break}}if(g-1>>>0<=6){break xa}while(1){g=j+(a<<2)|0;F[g>>2]=f;F[g+28>>2]=f;F[g+24>>2]=f;F[g+20>>2]=f;F[g+16>>2]=f;F[g+12>>2]=f;F[g+8>>2]=f;F[g+4>>2]=f;a=a+8|0;if((d|0)!=(a|0)){continue}break}}f=f+1|0;if((i|0)!=(f|0)){continue}break}k=(d|0)==524288}g=k}ya:{if(!g|(F[e+20>>2]?0:o)){break ya}d=0;k=Z-16|0;Z=k;za:{if(!Sa(1,k+8|0,c)){break za}a=F[c+8>>2];f=F[c+16>>2];g=a-f|0;j=F[k+12>>2];i=F[c+20>>2];a=F[c+12>>2]-(i+(a>>>0>>0)|0)|0;b=F[k+8>>2];if((j|0)==(a|0)&g>>>0>>0|a>>>0>>0){break za}a=i+j|0;g=b+f|0;a=g>>>0>>0?a+1|0:a;F[c+16>>2]=g;F[c+20>>2]=a;if((b|0)<=0){break za}a=f+F[c>>2]|0;F[e+48>>2]=a;c=b-1|0;f=c+a|0;g=G[f|0];Aa:{if(g>>>0<=63){F[e+52>>2]=c;a=G[f|0]&63;break Aa}Ba:{switch((g>>>6|0)-1|0){case 0:if(b>>>0<2){break za}b=b-2|0;F[e+52>>2]=b;a=a+b|0;a=G[a+1|0]<<8&16128|G[a|0];break Aa;case 1:if(b>>>0<3){break za}b=b-3|0;F[e+52>>2]=b;a=a+b|0;a=G[a+1|0]<<8|G[a+2|0]<<16&4128768|G[a|0];break Aa;default:break Ba}}b=b-4|0;F[e+52>>2]=b;a=a+b|0;a=(G[a|0]|G[a+1|0]<<8|(G[a+2|0]<<16|G[a+3|0]<<24))&1073741823}F[e+56>>2]=a+2097152;d=a>>>0<534773760}Z=k+16|0;if(!d){break ya}if(!o){m=1;break ya}b=F[e+52>>2];a=F[e+56>>2];c=F[e+36>>2];d=F[e+48>>2];f=F[e+24>>2];while(1){Ca:{if(a>>>0>2097151){break Ca}while(1){if((b|0)<=0){break Ca}b=b-1|0;F[e+52>>2]=b;a=G[b+d|0]|a<<8;F[e+56>>2]=a;if(a>>>0<2097152){continue}break}}m=a&524287;k=F[f+(m<<2)>>2];g=c+(k<<3)|0;a=(L(F[g>>2],a>>>19|0)+m|0)-F[g+4>>2]|0;F[e+56>>2]=a;F[r+(q<<2)>>2]=k;m=1;q=q+1|0;if((o|0)!=(q|0)){continue}break}}a=F[e+36>>2];if(a){F[e+40>>2]=a;ja(a)}a=F[e+24>>2];if(a){F[e+28>>2]=a;ja(a)}a=F[e+8>>2];if(a){F[e+12>>2]=a;ja(a)}Z=e- -64|0;b=m;break g;case 17:b=Ld(a,c,d);break g;case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:b=Z+-64|0;Z=b;F[b+56>>2]=0;F[b+48>>2]=0;F[b+52>>2]=0;F[b+40>>2]=0;F[b+44>>2]=0;F[b+32>>2]=0;F[b+36>>2]=0;F[b+24>>2]=0;F[b+28>>2]=0;F[b+16>>2]=0;F[b+20>>2]=0;F[b+8>>2]=0;F[b+12>>2]=0;Da:{if(!Nd(b+8|0,c)|(F[b+20>>2]?0:a)){break Da}if(!Md(b+8|0,c)){break Da}if(!a){f=1;break Da}m=F[b+52>>2];c=F[b+56>>2];e=F[b+36>>2];g=F[b+48>>2];o=F[b+24>>2];while(1){Ea:{if(c>>>0>16383){break Ea}while(1){if((m|0)<=0){break Ea}m=m-1|0;F[b+52>>2]=m;c=G[g+m|0]|c<<8;F[b+56>>2]=c;if(c>>>0<16384){continue}break}}f=c&4095;j=F[o+(f<<2)>>2];r=e+(j<<3)|0;c=(L(F[r>>2],c>>>12|0)+f|0)-F[r+4>>2]|0;F[b+56>>2]=c;F[(k<<2)+d>>2]=j;f=1;k=k+1|0;if((k|0)!=(a|0)){continue}break}}a=F[b+36>>2];if(a){F[b+40>>2]=a;ja(a)}a=F[b+24>>2];if(a){F[b+28>>2]=a;ja(a)}a=F[b+8>>2];if(a){F[b+12>>2]=a;ja(a)}Z=b- -64|0;b=f;break g;case 13:case 14:case 15:case 16:break h;default:break g}}b=Ld(a,c,d)}f=b}return f}function ih(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,J=0,K=0,M=0,N=0,O=0,P=0;u=Z+-64|0;Z=u;F[a+132>>2]=0;if(F[a+148>>2]){b=F[a+144>>2];if(b){while(1){f=F[b>>2];ja(b);b=f;if(b){continue}break}}b=0;F[a+144>>2]=0;f=F[a+140>>2];a:{if(!f){break a}if(f>>>0>=4){c=f&-4;while(1){e=b<<2;F[e+F[a+136>>2]>>2]=0;F[F[a+136>>2]+(e|4)>>2]=0;F[F[a+136>>2]+(e|8)>>2]=0;F[F[a+136>>2]+(e|12)>>2]=0;b=b+4|0;d=d+4|0;if((c|0)!=(d|0)){continue}break}}f=f&3;if(!f){break a}d=0;while(1){F[F[a+136>>2]+(b<<2)>>2]=0;b=b+1|0;d=d+1|0;if((f|0)!=(d|0)){continue}break}}F[a+148>>2]=0}b:{c:{if(!Da(1,u+60|0,F[F[a+4>>2]+32>>2])){break c}F[a+156>>2]=F[u+60>>2];if(!Da(1,u+56|0,F[F[a+4>>2]+32>>2])){break c}e=F[u+56>>2];if(e>>>0>1431655765|I[a+156>>2]>L(e,3)>>>0){break c}b=F[F[a+4>>2]+32>>2];c=F[b+8>>2];k=F[b+12>>2];d=F[b+20>>2];f=F[b+16>>2];if((k|0)<=(d|0)&f>>>0>=c>>>0|(d|0)>(k|0)){break c}k=G[f+F[b>>2]|0];f=f+1|0;d=f?d:d+1|0;F[b+16>>2]=f;F[b+20>>2]=d;if(!Da(1,u+52|0,b)){break c}q=F[u+52>>2];if(q>>>0>e>>>0|e>>>0>q+((q>>>0)/3|0)>>>0){break c}if(!Da(1,u+48|0,F[F[a+4>>2]+32>>2])){break c}d=F[u+48>>2];if(d>>>0>q>>>0){break c}F[a+28>>2]=F[a+24>>2];f=Zb(ka(88));b=F[a+8>>2];F[a+8>>2]=f;if(b){Za(b);if(!F[a+8>>2]){break c}}F[a+164>>2]=F[a+160>>2];Ib(a+160|0,e);F[a+176>>2]=F[a+172>>2];Ib(a+172|0,e);F[a- -64>>2]=0;F[a+92>>2]=-1;F[a+84>>2]=-1;F[a+88>>2]=-1;F[a+40>>2]=F[a+36>>2];F[a+52>>2]=F[a+48>>2];F[a+76>>2]=F[a+72>>2];A=a+216|0;Dd(A);Cd(A,k);if(!_c(F[a+8>>2],e,d+F[a+156>>2]|0)){break c}b=F[a+156>>2];D[u+8|0]=1;Ea(a+120|0,b+d|0,u+8|0);if((Bd(a,F[F[a+4>>2]+32>>2])|0)==-1){break c}c=a+232|0;b=c;F[b+144>>2]=a;f=F[($[F[F[a>>2]+32>>2]](a)|0)+32>>2];f=F[f>>2]+F[f+16>>2]|0;e=F[($[F[F[a>>2]+32>>2]](a)|0)+32>>2];e=F[e+8>>2]-F[e+16>>2]|0;O=b,P=H[F[($[F[F[a>>2]+32>>2]](a)|0)+32>>2]+38>>1],E[O+38>>1]=P;F[b>>2]=f;F[b+16>>2]=0;F[b+20>>2]=0;F[b+8>>2]=e;F[b+12>>2]=0;O=b,P=$[F[F[a>>2]+36>>2]](a)|0,F[O+148>>2]=P;F[a+372>>2]=k;F[a+384>>2]=d+F[a+156>>2];K=Ja(u+8|0);k=K;f=0;j=Z-16|0;Z=j;d:{if(!Aa(b+80|0,b)){break d}if(!yd(c)){break d}b=F[c+4>>2];F[k>>2]=F[c>>2];F[k+4>>2]=b;b=F[c+36>>2];F[k+32>>2]=F[c+32>>2];F[k+36>>2]=b;b=F[c+28>>2];F[k+24>>2]=F[c+24>>2];F[k+28>>2]=b;b=F[c+20>>2];F[k+16>>2]=F[c+16>>2];F[k+20>>2]=b;b=F[c+12>>2];F[k+8>>2]=F[c+8>>2];F[k+12>>2]=b;F[c+176>>2]=2;F[c+180>>2]=7;b=F[c+152>>2];if((b|0)<0){break d}F[j+12>>2]=0;f=2;h=F[c+156>>2];e=F[c+160>>2]-h>>2;e:{if(e>>>0>>0){Fa(c+156|0,b-e|0,j+12|0);f=F[c+176>>2];d=F[c+180>>2];break e}d=7;if(b>>>0>=e>>>0){break e}F[c+160>>2]=h+(b<<2)}e=c+184|0;d=(d-f|0)+1|0;b=F[c+188>>2];f=F[c+184>>2];s=(b-f|0)/12|0;f:{if(d>>>0>s>>>0){h=0;b=d-s|0;o=F[e+8>>2];f=F[e+4>>2];g:{if(b>>>0<=(o-f|0)/12>>>0){if(b){b=L(b,12)-12|0;b=(b-((b>>>0)%12|0)|0)+12|0;f=ma(f,0,b)+b|0}F[e+4>>2]=f;break g}h:{i:{j:{s=F[e>>2];g=(f-s|0)/12|0;d=g+b|0;if(d>>>0<357913942){o=(o-s|0)/12|0;i=o<<1;o=o>>>0>=178956970?357913941:d>>>0>>0?i:d;if(o){if(o>>>0>=357913942){break j}h=ka(L(o,12))}d=L(g,12)+h|0;b=L(b,12)-12|0;g=(b-((b>>>0)%12|0)|0)+12|0;b=ma(d,0,g);g=b+g|0;h=L(o,12)+h|0;if((f|0)==(s|0)){break i}while(1){d=d-12|0;f=f-12|0;F[d>>2]=F[f>>2];F[d+4>>2]=F[f+4>>2];F[d+8>>2]=F[f+8>>2];F[f+8>>2]=0;F[f>>2]=0;F[f+4>>2]=0;if((f|0)!=(s|0)){continue}break}F[e+8>>2]=h;b=F[e+4>>2];F[e+4>>2]=g;f=F[e>>2];F[e>>2]=d;if((b|0)==(f|0)){break h}while(1){d=b-12|0;h=F[d>>2];if(h){F[b-8>>2]=h;ja(h)}b=d;if((f|0)!=(b|0)){continue}break}break h}break b}oa();v()}F[e+8>>2]=h;F[e+4>>2]=g;F[e>>2]=b}if(f){ja(f)}}d=F[c+188>>2];break f}if(d>>>0>=s>>>0){d=b;break f}d=f+L(d,12)|0;if((d|0)!=(b|0)){while(1){f=b-12|0;h=F[f>>2];if(h){F[b-8>>2]=h;ja(h)}b=f;if((d|0)!=(b|0)){continue}break}}F[c+188>>2]=d}s=c+196|0;f=F[c+184>>2];b=(d-f|0)/12|0;o=F[c+196>>2];h=F[c+200>>2]-o>>2;k:{if(b>>>0>h>>>0){qa(s,b-h|0);f=F[c+184>>2];d=F[c+188>>2];break k}if(b>>>0>=h>>>0){break k}F[c+200>>2]=o+(b<<2)}if((d|0)==(f|0)){f=1;break d}b=0;while(1){l:{if(!Da(1,j+8|0,k)){break l}f=F[j+8>>2];d=F[c+148>>2];if(f>>>0>(F[d+4>>2]-F[d>>2]>>2>>>0)/3>>>0){break l}if(f){g=L(b,12);h=g+F[e>>2]|0;d=F[h>>2];o=F[h+4>>2]-d>>2;m:{if(o>>>0>>0){qa(h,f-o|0);d=F[g+F[e>>2]>>2];break m}if(f>>>0>=o>>>0){break m}F[h+4>>2]=(f<<2)+d}mc(f,1,k,d);F[F[s>>2]+(b<<2)>>2]=f}f=1;b=b+1|0;if(b>>>0<(F[c+188>>2]-F[c+184>>2]|0)/12>>>0){continue}break d}break}f=0}Z=j+16|0;n:{if(!f){break n}e=0;c=0;d=0;b=0;k=0;f=0;s=0;o=0;l=Z-96|0;Z=l;F[l+72>>2]=0;F[l+64>>2]=0;F[l+68>>2]=0;F[l+48>>2]=0;F[l+52>>2]=0;F[l+40>>2]=0;F[l+44>>2]=0;F[l+56>>2]=1065353216;F[l+32>>2]=0;F[l+24>>2]=0;F[l+28>>2]=0;j=a;C=F[a+124>>2];o:{p:{q:{r:{s:{if((q|0)<=0){break s}J=j+232|0;M=F[j+216>>2]!=F[j+220>>2];B=1;t:{while(1){h=s;s=h+1|0;u:{v:{w:{g=F[j+404>>2];if((g|0)==-1){F[j+400>>2]=7;break w}a=-1;i=F[j+428>>2]+(g<<2)|0;m=F[i>>2];g=m-1|0;F[i>>2]=g;if((m|0)<=0){break r}g=F[F[F[j+416>>2]+L(F[j+404>>2],12)>>2]+(g<<2)>>2];if(g>>>0>4){break r}i=F[(g<<2)+8896>>2];F[j+400>>2]=i;if(!g){if((b|0)==(c|0)){break r}i=-1;m=F[j+8>>2];B=F[m+24>>2];t=c-4|0;e=F[t>>2];g=-1;x:{if((e|0)==-1){break x}p=e+1|0;p=(p>>>0)%3|0?p:e-2|0;g=-1;if((p|0)==-1){break x}g=F[F[m>>2]+(p<<2)>>2]}n=F[B+(g<<2)>>2];if((n|0)!=-1){i=n+1|0;i=(i>>>0)%3|0?i:n-2|0}if((e|0)!=-1&F[F[m+12>>2]+(e<<2)>>2]!=-1|(e|0)==(i|0)){break r}n=F[m+12>>2];if((i|0)!=-1&F[n+(i<<2)>>2]!=-1){break r}p=L(h,3);h=p+1|0;F[n+(e<<2)>>2]=h;x=h<<2;F[x+n>>2]=e;r=p+2|0;F[n+(i<<2)>>2]=r;w=r<<2;F[w+n>>2]=i;n=-1;h=-1;y:{if((e|0)==-1){break y}z:{if((e>>>0)%3|0){e=e-1|0;break z}e=e+2|0;h=-1;if((e|0)==-1){break y}}h=F[F[m>>2]+(e<<2)>>2]}e=h;A:{if((i|0)==-1){break A}h=i+1|0;h=(h>>>0)%3|0?h:i-2|0;if((h|0)==-1){break A}n=F[F[m>>2]+(h<<2)>>2]}if((e|0)==(g|0)|(g|0)==(n|0)){break r}a=F[m>>2];F[a+(p<<2)>>2]=g;F[a+x>>2]=n;F[a+w>>2]=e;if((e|0)!=-1){F[B+(e<<2)>>2]=r}a=F[j+120>>2]+(g>>>3&536870908)|0;e=F[a>>2];O=a,P=oi(g)&e,F[O>>2]=P;F[t>>2]=p;e=b;kc(J,p);break u}B:{switch(i-1|0){case 2:case 4:if((b|0)==(c|0)){break r}r=c-4|0;e=F[r>>2];i=F[j+8>>2];m=F[i+12>>2];if((e|0)!=-1&F[m+(e<<2)>>2]!=-1){break r}c=L(h,3);n=(g|0)==3;g=c+(n?2:1)|0;t=g<<2;F[t+m>>2]=e;F[m+(e<<2)>>2]=g;Ma(i+24|0,8324);p=F[j+8>>2];m=F[p+24>>2];if(F[p+28>>2]-m>>2>(C|0)){break r}a=F[p>>2];w=a+t|0;p=F[i+28>>2];i=F[i+24>>2];t=(p-i>>2)-1|0;F[w>>2]=t;if((i|0)!=(p|0)){F[m+(t<<2)>>2]=g}g=n?c:c+2|0;w=a+(c+n<<2)|0;C:{if((e|0)==-1){F[a+(g<<2)>>2]=-1;i=-1;break C}D:{E:{F:{if((e>>>0)%3|0){i=e-1|0;break F}i=e+2|0;if((i|0)==-1){break E}}i=F[a+(i<<2)>>2];F[a+(g<<2)>>2]=i;if((i|0)==-1){break D}F[m+(i<<2)>>2]=g;break D}F[a+(g<<2)>>2]=-1}i=e+1|0;e=(i>>>0)%3|0?i:e-2|0;i=-1;if((e|0)==-1){break C}i=F[a+(e<<2)>>2]}F[w>>2]=i;F[r>>2]=c;e=b;break v;case 6:break w;case 0:break B;default:break r}}if((e|0)==(c|0)){break r}f=c-4|0;m=F[f>>2];F[l+68>>2]=f;n=F[l+44>>2];G:{if(!n){break G}g=F[l+40>>2];p=ni(n)>>>0>1;a=h&n+2147483647;H:{if(!p){break H}a=h;if(a>>>0>>0){break H}a=(h>>>0)%(n>>>0)|0}i=a;a=F[g+(i<<2)>>2];if(!a){break G}a=F[a>>2];if(!a){break G}I:{if(!p){g=n-1|0;while(1){n=F[a+4>>2];J:{if((n|0)!=(h|0)){if((i|0)==(g&n)){break J}break G}if((h|0)==F[a+8>>2]){break I}}a=F[a>>2];if(a){continue}break}break G}while(1){g=F[a+4>>2];K:{if((g|0)!=(h|0)){if(g>>>0>=n>>>0){g=(g>>>0)%(n>>>0)|0}if((g|0)==(i|0)){break K}break G}if((h|0)==F[a+8>>2]){break I}}a=F[a>>2];if(a){continue}break}break G}if((f|0)!=(k|0)){F[f>>2]=F[a+12>>2];F[l+68>>2]=c;f=c;break G}b=k-e|0;c=b>>2;d=c+1|0;if(d>>>0>=1073741824){break b}f=b>>>1|0;d=b>>>0>=2147483644?1073741823:d>>>0>>0?f:d;if(d){if(d>>>0>=1073741824){break p}f=ka(d<<2)}else{f=0}b=f+(c<<2)|0;F[b>>2]=F[a+12>>2];d=f+(d<<2)|0;f=b+4|0;if((e|0)!=(k|0)){while(1){b=b-4|0;k=k-4|0;F[b>>2]=F[k>>2];if((e|0)!=(k|0)){continue}break}}F[l+72>>2]=d;F[l+68>>2]=f;F[l+64>>2]=b;if(e){ja(e)}e=b;k=d}if((e|0)==(f|0)){break t}x=f-4|0;a=F[x>>2];if((a|0)==(m|0)){break t}i=(a|0)==-1;g=F[j+8>>2];if(!i&F[F[g+12>>2]+(a<<2)>>2]!=-1){break t}n=F[g+12>>2];if((m|0)!=-1&F[n+(m<<2)>>2]!=-1){break t}p=L(h,3);t=p+2|0;F[n+(a<<2)>>2]=t;c=t<<2;F[c+n>>2]=a;h=p+1|0;F[n+(m<<2)>>2]=h;w=h<<2;F[w+n>>2]=m;L:{M:{N:{if(!i){if((a>>>0)%3|0){h=a-1|0;break N}h=a+2|0;if((h|0)!=-1){break N}i=F[g>>2];h=-1;break M}h=-1;i=F[g>>2];F[i+(p<<2)>>2]=-1;r=-1;break L}i=F[g>>2];h=F[i+(h<<2)>>2]}F[(p<<2)+i>>2]=h;r=a+1|0;a=(r>>>0)%3|0?r:a-2|0;r=-1;if((a|0)==-1){break L}r=F[(a<<2)+i>>2]}F[i+w>>2]=r;O:{if((m|0)==-1){F[c+i>>2]=-1;r=-1;c=-1;break O}P:{Q:{R:{if((m>>>0)%3|0){a=m-1|0;break R}a=m+2|0;if((a|0)==-1){break Q}}a=F[(a<<2)+i>>2];F[c+i>>2]=a;if((a|0)==-1){break P}F[F[g+24>>2]+(a<<2)>>2]=t;break P}F[c+i>>2]=-1}r=-1;a=m+1|0;a=(a>>>0)%3|0?a:m-2|0;c=-1;if((a|0)==-1){break O}r=F[(a<<2)+i>>2];c=a}a=F[j+388>>2];t=h<<2;m=a+t|0;w=a;a=r<<2;F[m>>2]=F[m>>2]+F[w+a>>2];w=a;a=F[g+24>>2];m=w+a|0;if((h|0)!=-1){F[a+t>>2]=F[m>>2]}a=c;while(1){if((a|0)!=-1){F[(a<<2)+i>>2]=h;t=a+1|0;a=(t>>>0)%3|0?t:a-2|0;g=-1;S:{if((a|0)==-1){break S}a=F[n+(a<<2)>>2];g=-1;if((a|0)==-1){break S}g=a+1|0;g=(g>>>0)%3|0?g:a-2|0}a=g;if((c|0)!=(a|0)){continue}break t}break}F[m>>2]=-1;T:{U:{if(M){break U}if((y|0)!=(z|0)){F[z>>2]=r;z=z+4|0;F[l+28>>2]=z;break U}a=y-o|0;g=a>>2;c=g+1|0;if(c>>>0>=1073741824){break T}h=a>>>1|0;h=a>>>0>=2147483644?1073741823:c>>>0>>0?h:c;if(h){if(h>>>0>=1073741824){break p}c=ka(h<<2)}else{c=0}a=c+(g<<2)|0;F[a>>2]=r;z=a+4|0;if((o|0)!=(y|0)){while(1){a=a-4|0;y=y-4|0;F[a>>2]=F[y>>2];if((o|0)!=(y|0)){continue}break}}y=c+(h<<2)|0;F[l+32>>2]=y;F[l+28>>2]=z;F[l+24>>2]=a;if(o){ja(o)}o=a}F[x>>2]=p;c=f;kc(J,p);break u}break b}g=F[j+8>>2];Ma(g+24|0,8324);a=-1;k=F[j+8>>2];f=L(h,3);i=F[g+28>>2];m=F[g+24>>2];n=i-m|0;g=n>>2;p=g-1|0;F[F[k>>2]+(f<<2)>>2]=p;Ma(k+24|0,8324);r=f+1|0;F[F[k>>2]+(r<<2)>>2]=(F[k+28>>2]-F[k+24>>2]>>2)-1;k=F[j+8>>2];Ma(k+24|0,8324);t=f+2|0;F[F[k>>2]+(t<<2)>>2]=(F[k+28>>2]-F[k+24>>2]>>2)-1;x=F[j+8>>2];k=F[x+24>>2];if(F[x+28>>2]-k>>2>(C|0)){break r}V:{W:{if((i|0)!=(m|0)){F[k+(p<<2)>>2]=f;a=0;if((n|0)==-4){break W}}F[k+(g<<2)>>2]=r;a=g+1|0;if((a|0)==-1){break V}}F[k+(a<<2)>>2]=t}if((d|0)!=(c|0)){F[c>>2]=f;f=c+4|0;F[l+68>>2]=f;k=d;break v}a=d-b|0;k=a>>2;e=k+1|0;if(e>>>0>=1073741824){break b}c=a>>>1|0;a=a>>>0>=2147483644?1073741823:e>>>0>>0?c:e;if(a){if(a>>>0>=1073741824){break p}c=ka(a<<2)}else{c=0}e=c+(k<<2)|0;F[e>>2]=f;k=c+(a<<2)|0;f=e+4|0;if((b|0)!=(d|0)){while(1){e=e-4|0;d=d-4|0;F[e>>2]=F[d>>2];if((b|0)!=(d|0)){continue}break}}F[l+72>>2]=k;F[l+68>>2]=f;F[l+64>>2]=e;if(b){ja(b)}d=k;b=e}kc(J,F[f-4>>2]);a=F[j+40>>2];X:{if((a|0)==F[j+36>>2]){break X}c=a-12|0;g=F[c+4>>2];h=q+(h^-1)|0;if(g>>>0>h>>>0){break t}if((g|0)!=(h|0)){break X}i=G[a-4|0];g=F[c>>2];F[j+40>>2]=c;if((g|0)<0){break t}m=f-4|0;a=F[m>>2];F[l+20>>2]=q+(g^-1);c=l+20|0;F[l+88>>2]=c;Fb(l,l+40|0,c,l+88|0);g=F[l>>2];Y:{if(i&1){c=-1;if((a|0)==-1){break Y}c=a+1|0;c=(c>>>0)%3|0?c:a-2|0;break Y}c=-1;if((a|0)==-1){break Y}c=a-1|0;if((a>>>0)%3|0){break Y}c=a+2|0}F[g+12>>2]=c;a=F[j+40>>2];if((a|0)==F[j+36>>2]){break X}while(1){c=a-12|0;g=F[c+4>>2];if(g>>>0>h>>>0){break t}if((g|0)!=(h|0)){break X}i=G[a-4|0];g=F[c>>2];F[j+40>>2]=c;if((g|0)<0){break t}a=F[m>>2];F[l+20>>2]=q+(g^-1);c=l+20|0;F[l+88>>2]=c;Fb(l,l+40|0,c,l+88|0);g=F[l>>2];Z:{if(i&1){c=-1;if((a|0)==-1){break Z}c=a+1|0;c=(c>>>0)%3|0?c:a-2|0;break Z}c=-1;if((a|0)==-1){break Z}c=a-1|0;if((a>>>0)%3|0){break Z}c=a+2|0}F[g+12>>2]=c;a=F[j+40>>2];if((a|0)!=F[j+36>>2]){continue}break}}c=f}B=(q|0)>(s|0);if((q|0)!=(s|0)){continue}break}s=q;break s}a=-1;if(B){break r}}a=-1;c=F[j+8>>2];if(F[c+28>>2]-F[c+24>>2]>>2>(C|0)){break r}if((b|0)!=(f|0)){m=j+72|0;k=j+60|0;n=j+312|0;while(1){f=f-4|0;q=F[f>>2];F[l+68>>2]=f;_:{if(wa(n)){g=F[j+8>>2];o=F[g>>2];if(((F[g+4>>2]-o>>2>>>0)/3|0)<=(s|0)){a=-1;break r}b=-1;i=F[g+24>>2];a=-1;$:{if((q|0)==-1){break $}e=q+1|0;e=(e>>>0)%3|0?e:q-2|0;a=-1;if((e|0)==-1){break $}a=F[o+(e<<2)>>2]}e=a;a=F[i+(e<<2)>>2];aa:{if((a|0)==-1){h=1;c=-1;break aa}h=1;c=-1;d=a+1|0;a=(d>>>0)%3|0?d:a-2|0;if((a|0)==-1){break aa}h=0;b=a+1|0;b=(b>>>0)%3|0?b:a-2|0;if((b|0)!=-1){c=F[o+(b<<2)>>2]}b=a}a=-1;d=-1;i=F[i+(c<<2)>>2];if((i|0)!=-1){d=i+1|0;d=(d>>>0)%3|0?d:i-2|0}if((b|0)==(q|0)|(d|0)==(q|0)|((q|0)!=-1&F[F[g+12>>2]+(q<<2)>>2]!=-1|(b|0)==(d|0))){break r}if(!h&F[F[g+12>>2]+(b<<2)>>2]!=-1){break r}h=-1;g=F[g+12>>2];i=-1;ba:{if((d|0)==-1){break ba}if(F[g+(d<<2)>>2]!=-1){break r}a=d+1|0;a=(a>>>0)%3|0?a:d-2|0;i=-1;if((a|0)==-1){break ba}i=F[o+(a<<2)>>2]}a=L(s,3);F[l>>2]=a;F[g+(a<<2)>>2]=q;F[g+(q<<2)>>2]=a;a=F[l>>2]+1|0;F[g+(a<<2)>>2]=b;F[g+(b<<2)>>2]=a;a=F[l>>2]+2|0;F[g+(a<<2)>>2]=d;F[g+(d<<2)>>2]=a;a=F[l>>2];F[o+(a<<2)>>2]=c;b=a+1|0;d=o+(b<<2)|0;F[d>>2]=i;q=a+2|0;o=o+(q<<2)|0;F[o>>2]=e;a=F[j+120>>2];e=b?c:-1;c=a+(e>>>3&536870908)|0;g=F[c>>2];O=c,P=oi(e)&g,F[O>>2]=P;h=(b|0)!=-1?F[d>>2]:h;b=a+(h>>>3&536870908)|0;d=F[b>>2];O=b,P=oi(h)&d,F[O>>2]=P;d=-1;d=(q|0)!=-1?F[o>>2]:d;a=a+(d>>>3&536870908)|0;b=F[a>>2];O=a,P=oi(d)&b,F[O>>2]=P;D[l+88|0]=1;wd(k,l+88|0);Ma(m,l);s=s+1|0;b=F[l+64>>2];break _}d=F[j+64>>2];a=F[j+68>>2];if((d|0)==a<<5){if((d+1|0)<0){break b}if(d>>>0<=1073741822){a=a<<6;d=(d&-32)+32|0;a=a>>>0>d>>>0?a:d}else{a=2147483647}$a(k,a);d=F[j+64>>2]}F[j+64>>2]=d+1;a=F[j+60>>2]+(d>>>3&536870908)|0;e=F[a>>2];O=a,P=oi(d)&e,F[O>>2]=P;d=F[j+76>>2];if((d|0)!=F[j+80>>2]){F[d>>2]=q;F[j+76>>2]=d+4;break _}c=F[m>>2];a=d-c|0;o=a>>2;e=o+1|0;if(e>>>0>=1073741824){break b}h=a>>>1|0;h=a>>>0>=2147483644?1073741823:e>>>0>>0?h:e;if(h){if(h>>>0>=1073741824){break p}a=ka(h<<2)}else{a=0}e=a+(o<<2)|0;F[e>>2]=q;q=e+4|0;if((d|0)!=(c|0)){while(1){e=e-4|0;d=d-4|0;F[e>>2]=F[d>>2];if((d|0)!=(c|0)){continue}break}}F[j+80>>2]=a+(h<<2);F[j+76>>2]=q;F[j+72>>2]=e;if(!c){break _}ja(c)}if((b|0)!=(f|0)){continue}break}c=F[j+8>>2]}a=-1;if(((F[c+4>>2]-F[c>>2]>>2>>>0)/3|0)!=(s|0)){break r}a=F[c+28>>2]-F[c+24>>2]>>2;f=F[l+24>>2];h=F[l+28>>2];if((f|0)==(h|0)){break q}while(1){b=F[f>>2];k=F[c+24>>2];d=a-1|0;e=k+(d<<2)|0;if(F[e>>2]==-1){while(1){d=a-2|0;a=a-1|0;e=k+(d<<2)|0;if(F[e>>2]==-1){continue}break}}if(b>>>0<=d>>>0){F[l>>2]=c;e=F[e>>2];D[l+12|0]=1;F[l+8>>2]=e;F[l+4>>2]=e;if((e|0)!=-1){while(1){e=F[F[j+8>>2]>>2]+(e<<2)|0;if(F[e>>2]!=(d|0)){a=-1;break r}F[e>>2]=b;nc(l);e=F[l+8>>2];if((e|0)!=-1){continue}break}c=F[j+8>>2]}k=F[c+24>>2];e=k+(d<<2)|0;if((b|0)!=-1){F[k+(b<<2)>>2]=F[e>>2]}F[e>>2]=-1;e=1<>2];b=k+(b>>>3&536870908)|0;k=k+(d>>>3&536870908)|0;d=1<>2]&d){e=e|F[b>>2]}else{e=F[b>>2]&(e^-1)}F[b>>2]=e;F[k>>2]=F[k>>2]&(d^-1);a=a-1|0}f=f+4|0;if((h|0)!=(f|0)){continue}break}}f=F[l+24>>2]}if(f){ja(f)}b=F[l+48>>2];if(b){while(1){d=F[b>>2];ja(b);b=d;if(b){continue}break}}b=F[l+40>>2];F[l+40>>2]=0;if(b){ja(b)}b=F[l+64>>2];if(b){F[l+68>>2]=b;ja(b)}Z=l+96|0;break o}oa();v()}f=a;if((a|0)==-1){break n}a=K;b=F[a+16>>2];d=b+F[a>>2]|0;b=F[a+8>>2]-b|0;a=F[F[j+4>>2]+32>>2];E[a+38>>1]=H[a+38>>1];F[a>>2]=d;F[a+16>>2]=0;F[a+20>>2]=0;F[a+8>>2]=b;F[a+12>>2]=0;ca:{if(F[j+216>>2]==F[j+220>>2]){break ca}a=F[j+8>>2];if(F[a+4>>2]==F[a>>2]){break ca}b=0;while(1){if(Ad(j,b)){b=b+3|0;a=F[j+8>>2];if(b>>>0>2]-F[a>>2]>>2>>>0){continue}break ca}break}break n}if(G[j+308|0]){D[j+308|0]=0;d=F[j+292>>2];a=0;e=F[j+304>>2]+7|0;a=e>>>0<7?1:a;e=a<<29|e>>>3;b=e+F[j+288>>2]|0;a=(a>>>3|0)+d|0;F[j+288>>2]=b;F[j+292>>2]=b>>>0>>0?a+1|0:a}b=F[j+216>>2];if((b|0)!=F[j+220>>2]){a=0;while(1){e=L(a,144);Zc((e+b|0)+4|0,F[j+8>>2]);d=F[A>>2];c=d+e|0;b=F[c+132>>2];c=F[c+136>>2];if((b|0)!=(c|0)){while(1){Xc((e+F[A>>2]|0)+4|0,F[b>>2]);b=b+4|0;if((c|0)!=(b|0)){continue}break}d=F[A>>2]}if(!Yc((d+e|0)+4|0)){break n}a=a+1|0;b=F[j+216>>2];if(a>>>0<(F[j+220>>2]-b|0)/144>>>0){continue}break}}a=F[j+8>>2];Hb(j+184|0,F[a+28>>2]-F[a+24>>2]>>2);d=F[j+216>>2];if((d|0)!=F[j+220>>2]){b=0;while(1){a=L(b,144)+d|0;d=F[a+60>>2]-F[a+56>>2]>>2;c=a+104|0;a=F[j+8>>2];a=F[a+28>>2]-F[a+24>>2]>>2;Hb(c,(a|0)<(d|0)?d:a);b=b+1|0;d=F[j+216>>2];if(b>>>0<(F[j+220>>2]-d|0)/144>>>0){continue}break}}N=zd(j,f)}}Z=u- -64|0;return N|0}na();v()}function lh(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,J=0,K=0,M=0,N=0;t=Z+-64|0;Z=t;F[a+132>>2]=0;if(F[a+148>>2]){c=F[a+144>>2];if(c){while(1){b=F[c>>2];ja(c);c=b;if(b){continue}break}}c=0;F[a+144>>2]=0;b=F[a+140>>2];a:{if(!b){break a}if(b>>>0>=4){h=b&-4;while(1){e=c<<2;F[e+F[a+136>>2]>>2]=0;F[F[a+136>>2]+(e|4)>>2]=0;F[F[a+136>>2]+(e|8)>>2]=0;F[F[a+136>>2]+(e|12)>>2]=0;c=c+4|0;g=g+4|0;if((h|0)!=(g|0)){continue}break}}b=b&3;if(!b){break a}g=0;while(1){F[F[a+136>>2]+(c<<2)>>2]=0;c=c+1|0;g=g+1|0;if((b|0)!=(g|0)){continue}break}}F[a+148>>2]=0}b:{if(!Da(1,t+60|0,F[F[a+4>>2]+32>>2])){break b}F[a+156>>2]=F[t+60>>2];if(!Da(1,t+56|0,F[F[a+4>>2]+32>>2])){break b}e=F[t+56>>2];if(e>>>0>1431655765|I[a+156>>2]>L(e,3)>>>0){break b}c=F[F[a+4>>2]+32>>2];h=F[c+8>>2];m=F[c+12>>2];b=F[c+20>>2];g=F[c+16>>2];if((m|0)<=(b|0)&g>>>0>=h>>>0|(b|0)>(m|0)){break b}h=G[g+F[c>>2]|0];g=g+1|0;b=g?b:b+1|0;F[c+16>>2]=g;F[c+20>>2]=b;if(!Da(1,t+52|0,c)){break b}n=F[t+52>>2];if(n>>>0>e>>>0|e>>>0>n+((n>>>0)/3|0)>>>0){break b}if(!Da(1,t+48|0,F[F[a+4>>2]+32>>2])){break b}c=F[t+48>>2];if(c>>>0>n>>>0){break b}F[a+28>>2]=F[a+24>>2];g=Zb(ka(88));b=F[a+8>>2];F[a+8>>2]=g;if(b){Za(b);if(!F[a+8>>2]){break b}}F[a+164>>2]=F[a+160>>2];Ib(a+160|0,e);F[a+176>>2]=F[a+172>>2];Ib(a+172|0,e);F[a- -64>>2]=0;F[a+92>>2]=-1;F[a+84>>2]=-1;F[a+88>>2]=-1;F[a+40>>2]=F[a+36>>2];F[a+52>>2]=F[a+48>>2];F[a+76>>2]=F[a+72>>2];y=a+216|0;Dd(y);Cd(y,h);if(!_c(F[a+8>>2],e,c+F[a+156>>2]|0)){break b}b=F[a+156>>2];D[t+8|0]=1;Ea(a+120|0,b+c|0,t+8|0);if((Bd(a,F[F[a+4>>2]+32>>2])|0)==-1){break b}c=a+232|0;F[c+144>>2]=a;b=F[($[F[F[a>>2]+32>>2]](a)|0)+32>>2];b=F[b>>2]+F[b+16>>2]|0;g=F[($[F[F[a>>2]+32>>2]](a)|0)+32>>2];g=F[g+8>>2]-F[g+16>>2]|0;M=c,N=H[F[($[F[F[a>>2]+32>>2]](a)|0)+32>>2]+38>>1],E[M+38>>1]=N;F[c>>2]=b;F[c+16>>2]=0;F[c+20>>2]=0;F[c+8>>2]=g;F[c+12>>2]=0;F[a+372>>2]=h;C=Ja(t+8|0);h=C;m=0;d=Z-16|0;Z=d;b=F[c+4>>2];F[c+40>>2]=F[c>>2];F[c+44>>2]=b;b=F[c+36>>2];F[c+72>>2]=F[c+32>>2];F[c+76>>2]=b;g=F[c+28>>2];b=c- -64|0;F[b>>2]=F[c+24>>2];F[b+4>>2]=g;b=F[c+20>>2];F[c+56>>2]=F[c+16>>2];F[c+60>>2]=b;b=F[c+12>>2];F[c+48>>2]=F[c+8>>2];F[c+52>>2]=b;c:{d:{if(hc(c+40|0,1,d+8|0)){b=F[c+44>>2];F[c>>2]=F[c+40>>2];F[c+4>>2]=b;b=F[c+76>>2];F[c+32>>2]=F[c+72>>2];F[c+36>>2]=b;b=F[c+68>>2];F[c+24>>2]=F[c+64>>2];F[c+28>>2]=b;g=F[c+60>>2];f=g;b=F[c+56>>2];F[c+16>>2]=b;F[c+20>>2]=g;e=F[c+52>>2];g=F[c+48>>2];F[c+8>>2]=g;F[c+12>>2]=e;k=F[d+12>>2];i=e-((b>>>0>g>>>0)+f|0)|0;e=g-b|0;g=F[d+8>>2];if((k|0)==(i|0)&e>>>0>=g>>>0|i>>>0>k>>>0){break d}}break c}e=f+k|0;b=b+g|0;e=b>>>0>>0?e+1|0:e;F[c+16>>2]=b;F[c+20>>2]=e;if(!Aa(c+80|0,c)){break c}if(!yd(c)){break c}b=F[c+4>>2];F[h>>2]=F[c>>2];F[h+4>>2]=b;b=F[c+36>>2];F[h+32>>2]=F[c+32>>2];F[h+36>>2]=b;b=F[c+28>>2];F[h+24>>2]=F[c+24>>2];F[h+28>>2]=b;b=F[c+20>>2];F[h+16>>2]=F[c+16>>2];F[h+20>>2]=b;b=F[c+12>>2];F[h+8>>2]=F[c+8>>2];F[h+12>>2]=b;m=1}Z=d+16|0;e:{if(!m){break e}b=0;c=0;g=0;m=0;j=Z-96|0;Z=j;F[j+72>>2]=0;F[j+64>>2]=0;F[j+68>>2]=0;F[j+48>>2]=0;F[j+52>>2]=0;F[j+40>>2]=0;F[j+44>>2]=0;F[j+56>>2]=1065353216;F[j+32>>2]=0;F[j+24>>2]=0;F[j+28>>2]=0;h=a;B=F[a+124>>2];f:{g:{h:{i:{j:{k:{l:{m:{if((n|0)<=0){break m}J=F[h+216>>2]!=F[h+220>>2];z=1;while(1){e=m;m=e+1|0;n:{o:{p:{q:{r:{s:{t:{u:{v:{w:{x:{y:{z:{A:{B:{if(!G[h+308|0]){break B}k=F[h+296>>2];d=F[h+304>>2];a=k+(d>>>3|0)|0;l=F[h+300>>2];if(a>>>0>=l>>>0){break B}f=G[a|0];a=d+1|0;F[h+304>>2]=a;p=f>>>(d&7)&1;if(!p){break B}i=0;f=a>>>3|0;r=k+f|0;C:{if(r>>>0>=l>>>0){d=a;a=0;break C}r=G[r|0];d=d+2|0;F[h+304>>2]=d;f=d>>>3|0;a=r>>>(a&7)&1}f=f+k|0;if(f>>>0>>0){f=G[f|0];F[h+304>>2]=d+1;i=f>>>(d&7)<<1&2}f=-1;i=p|(a|i)<<1;switch(i-1|0){case 6:break y;case 0:break z;case 2:case 4:break A;default:break l}}if((c|0)==(g|0)){f=-1;break l}d=-1;i=F[h+8>>2];z=F[i+24>>2];r=c-4|0;b=F[r>>2];a=-1;D:{if((b|0)==-1){break D}k=b+1|0;k=(k>>>0)%3|0?k:b-2|0;a=-1;if((k|0)==-1){break D}a=F[F[i>>2]+(k<<2)>>2]}f=F[z+(a<<2)>>2];if((f|0)!=-1){d=f+1|0;d=(d>>>0)%3|0?d:f-2|0}if((b|0)==(d|0)){f=-1;break l}if((b|0)!=-1){f=-1;if(F[F[i+12>>2]+(b<<2)>>2]!=-1){break l}}k=F[i+12>>2];if((d|0)!=-1){f=-1;if(F[k+(d<<2)>>2]!=-1){break l}}l=L(e,3);e=l+1|0;F[k+(b<<2)>>2]=e;s=e<<2;F[s+k>>2]=b;p=l+2|0;F[k+(d<<2)>>2]=p;u=p<<2;F[u+k>>2]=d;k=-1;e=-1;E:{if((b|0)==-1){break E}F:{if((b>>>0)%3|0){b=b-1|0;break F}b=b+2|0;e=-1;if((b|0)==-1){break E}}e=F[F[i>>2]+(b<<2)>>2]}b=e;G:{if((d|0)==-1){break G}e=d+1|0;e=(e>>>0)%3|0?e:d-2|0;if((e|0)==-1){break G}k=F[F[i>>2]+(e<<2)>>2]}f=-1;if((a|0)==(b|0)|(a|0)==(k|0)){break l}e=F[i>>2];F[e+(l<<2)>>2]=a;F[e+s>>2]=k;F[e+u>>2]=b;if((b|0)!=-1){F[z+(b<<2)>>2]=p}b=F[h+120>>2]+(a>>>3&536870908)|0;e=F[b>>2];M=b,N=oi(a)&e,F[M>>2]=N;F[r>>2]=l;b=g;break n}if((c|0)==(g|0)){break l}r=c-4|0;b=F[r>>2];a=F[h+8>>2];d=F[a+12>>2];if((b|0)!=-1&F[d+(b<<2)>>2]!=-1){break l}l=(i|0)==5;i=L(e,3);p=(l?2:1)+i|0;s=p<<2;F[s+d>>2]=b;F[d+(b<<2)>>2]=p;Ma(a+24|0,8324);d=F[h+8>>2];k=F[d+24>>2];if(F[d+28>>2]-k>>2>(B|0)){break l}d=F[d>>2];u=d+s|0;f=F[a+28>>2];a=F[a+24>>2];s=(f-a>>2)-1|0;F[u>>2]=s;if((a|0)!=(f|0)){F[k+(s<<2)>>2]=p}f=l?i:i+2|0;l=d+(i+l<<2)|0;H:{if((b|0)==-1){F[d+(f<<2)>>2]=-1;a=-1;break H}I:{J:{K:{if((b>>>0)%3|0){a=b-1|0;break K}a=b+2|0;if((a|0)==-1){break J}}a=F[d+(a<<2)>>2];F[d+(f<<2)>>2]=a;if((a|0)==-1){break I}F[k+(a<<2)>>2]=f;break I}F[d+(f<<2)>>2]=-1}f=b+1|0;b=(f>>>0)%3|0?f:b-2|0;a=-1;if((b|0)==-1){break H}a=F[d+(b<<2)>>2]}F[l>>2]=a;F[r>>2]=i;b=g;break t}if((b|0)==(c|0)){break l}a=c-4|0;k=F[a>>2];F[j+68>>2]=a;l=F[j+44>>2];L:{if(!l){c=a;break L}f=F[j+40>>2];p=ni(l)>>>0>1;d=e&l+2147483647;M:{if(!p){break M}d=e;if(d>>>0>>0){break M}d=(e>>>0)%(l>>>0)|0}i=d;d=F[f+(i<<2)>>2];if(!d){c=a;break L}d=F[d>>2];if(!d){c=a;break L}N:{if(!p){f=l-1|0;while(1){l=F[d+4>>2];O:{if((l|0)!=(e|0)){if((i|0)==(f&l)){break O}c=a;break L}if((e|0)==F[d+8>>2]){break N}}d=F[d>>2];if(d){continue}break}c=a;break L}while(1){f=F[d+4>>2];P:{if((f|0)!=(e|0)){if(f>>>0>=l>>>0){f=(f>>>0)%(l>>>0)|0}if((f|0)==(i|0)){break P}c=a;break L}if((e|0)==F[d+8>>2]){break N}}d=F[d>>2];if(d){continue}break}c=a;break L}if((a|0)!=(q|0)){F[a>>2]=F[d+12>>2];F[j+68>>2]=c;break L}a=q-b|0;g=a>>2;c=g+1|0;if(c>>>0>=1073741824){break x}f=a>>>1|0;f=a>>>0>=2147483644?1073741823:c>>>0>>0?f:c;if(f){if(f>>>0>=1073741824){break j}a=ka(f<<2)}else{a=0}g=a+(g<<2)|0;F[g>>2]=F[d+12>>2];c=g+4|0;if((b|0)!=(q|0)){while(1){g=g-4|0;q=q-4|0;F[g>>2]=F[q>>2];if((b|0)!=(q|0)){continue}break}}q=a+(f<<2)|0;F[j+72>>2]=q;F[j+68>>2]=c;F[j+64>>2]=g;if(b){ja(b)}}if((c|0)==(g|0)){break p}s=c-4|0;b=F[s>>2];if((b|0)==(k|0)){break p}a=(b|0)==-1;f=F[h+8>>2];if(!a&F[F[f+12>>2]+(b<<2)>>2]!=-1){break p}l=F[f+12>>2];if((k|0)!=-1&F[l+(k<<2)>>2]!=-1){break p}p=L(e,3);r=p+2|0;F[l+(b<<2)>>2]=r;e=r<<2;F[e+l>>2]=b;d=p+1|0;F[l+(k<<2)>>2]=d;u=d<<2;F[u+l>>2]=k;if(a){break w}if((b>>>0)%3|0){d=b-1|0;break s}d=b+2|0;if((d|0)!=-1){break s}a=F[f>>2];d=-1;break r}i=F[h+8>>2];Ma(i+24|0,8324);d=F[h+8>>2];a=L(e,3);k=F[i+28>>2];l=F[i+24>>2];p=k-l|0;i=p>>2;r=i-1|0;F[F[d>>2]+(a<<2)>>2]=r;Ma(d+24|0,8324);s=a+1|0;F[F[d>>2]+(s<<2)>>2]=(F[d+28>>2]-F[d+24>>2]>>2)-1;d=F[h+8>>2];Ma(d+24|0,8324);u=a+2|0;F[F[d>>2]+(u<<2)>>2]=(F[d+28>>2]-F[d+24>>2]>>2)-1;A=F[h+8>>2];d=F[A+24>>2];if(F[A+28>>2]-d>>2>(B|0)){break l}Q:{R:{if((k|0)!=(l|0)){F[d+(r<<2)>>2]=a;f=0;if((p|0)==-4){break R}}F[d+(i<<2)>>2]=s;f=i+1|0;if((f|0)==-1){break Q}}F[d+(f<<2)>>2]=u}if((c|0)!=(q|0)){F[c>>2]=a;c=c+4|0;F[j+68>>2]=c;break t}g=c-b|0;i=g>>2;d=i+1|0;if(d>>>0>=1073741824){break v}f=g>>>1|0;d=g>>>0>=2147483644?1073741823:d>>>0>>0?f:d;if(d){if(d>>>0>=1073741824){break j}f=ka(d<<2)}else{f=0}g=f+(i<<2)|0;F[g>>2]=a;q=f+(d<<2)|0;a=g+4|0;if((b|0)!=(c|0)){while(1){g=g-4|0;c=c-4|0;F[g>>2]=F[c>>2];if((b|0)!=(c|0)){continue}break}}F[j+72>>2]=q;F[j+68>>2]=a;F[j+64>>2]=g;if(!b){break u}ja(b);break u}na();v()}d=-1;a=F[f>>2];F[a+(p<<2)>>2]=-1;i=-1;break q}na();v()}c=a;b=g}a=F[h+40>>2];if((a|0)==F[h+36>>2]){break n}d=a-12|0;i=F[d+4>>2];f=n+(e^-1)|0;if(i>>>0>f>>>0){break p}if((f|0)!=(i|0)){break n}i=G[a-4|0];e=F[d>>2];F[h+40>>2]=d;if((e|0)<0){break p}k=c-4|0;a=F[k>>2];F[j+20>>2]=n+(e^-1);e=j+20|0;F[j+88>>2]=e;Fb(j,j+40|0,e,j+88|0);d=F[j>>2];S:{if(i&1){e=-1;if((a|0)==-1){break S}e=a+1|0;e=(e>>>0)%3|0?e:a-2|0;break S}e=-1;if((a|0)==-1){break S}e=a-1|0;if((a>>>0)%3|0){break S}e=a+2|0}F[d+12>>2]=e;d=F[h+40>>2];if((d|0)==F[h+36>>2]){break n}while(1){a=d-12|0;e=F[a+4>>2];if(e>>>0>f>>>0){break p}if((f|0)!=(e|0)){break n}d=G[d-4|0];e=F[a>>2];F[h+40>>2]=a;if((e|0)<0){break p}a=F[k>>2];F[j+20>>2]=n+(e^-1);e=j+20|0;F[j+88>>2]=e;Fb(j,j+40|0,e,j+88|0);i=F[j>>2];T:{if(d&1){e=-1;if((a|0)==-1){break T}e=a+1|0;e=(e>>>0)%3|0?e:a-2|0;break T}e=-1;if((a|0)==-1){break T}e=a-1|0;if((a>>>0)%3|0){break T}e=a+2|0}F[i+12>>2]=e;d=F[h+40>>2];if((d|0)!=F[h+36>>2]){continue}break}break n}a=F[f>>2];d=F[a+(d<<2)>>2]}F[(p<<2)+a>>2]=d;A=b+1|0;b=(A>>>0)%3|0?A:b-2|0;i=-1;if((b|0)==-1){break q}i=F[(b<<2)+a>>2]}F[a+u>>2]=i;U:{if((k|0)==-1){F[a+e>>2]=-1;i=-1;e=-1;break U}V:{W:{X:{if((k>>>0)%3|0){b=k-1|0;break X}b=k+2|0;if((b|0)==-1){break W}}b=F[(b<<2)+a>>2];F[a+e>>2]=b;if((b|0)==-1){break V}F[F[f+24>>2]+(b<<2)>>2]=r;break V}F[a+e>>2]=-1}i=-1;b=k+1|0;b=(b>>>0)%3|0?b:k-2|0;e=-1;if((b|0)==-1){break U}i=F[(b<<2)+a>>2];e=b}b=F[f+24>>2];k=b+(i<<2)|0;if((d|0)!=-1){F[b+(d<<2)>>2]=F[k>>2]}b=e;while(1){if((b|0)==-1){break o}F[(b<<2)+a>>2]=d;r=b+1|0;b=(r>>>0)%3|0?r:b-2|0;f=-1;Y:{if((b|0)==-1){break Y}b=F[l+(b<<2)>>2];f=-1;if((b|0)==-1){break Y}f=b+1|0;f=(f>>>0)%3|0?f:b-2|0}b=f;if((e|0)!=(b|0)){continue}break}}f=-1;if(!z){break m}break l}F[k>>2]=-1;Z:{if(J){break Z}if((w|0)!=(x|0)){F[x>>2]=i;x=x+4|0;F[j+28>>2]=x;break Z}a=w-o|0;d=a>>2;b=d+1|0;if(b>>>0>=1073741824){break i}e=a>>>1|0;e=a>>>0>=2147483644?1073741823:b>>>0>>0?e:b;if(e){if(e>>>0>=1073741824){break j}a=ka(e<<2)}else{a=0}b=a+(d<<2)|0;F[b>>2]=i;x=b+4|0;if((o|0)!=(w|0)){while(1){b=b-4|0;w=w-4|0;F[b>>2]=F[w>>2];if((o|0)!=(w|0)){continue}break}}w=a+(e<<2)|0;F[j+32>>2]=w;F[j+28>>2]=x;F[j+24>>2]=b;if(o){ja(o)}o=b}F[s>>2]=p;b=g}z=(m|0)<(n|0);if((m|0)!=(n|0)){continue}break}m=n}f=-1;a=F[h+8>>2];if(F[a+28>>2]-F[a+24>>2]>>2>(B|0)){break l}if((c|0)!=(g|0)){l=h+72|0;e=h+60|0;w=h+312|0;while(1){c=c-4|0;i=F[c>>2];F[j+68>>2]=c;_:{if(wa(w)){q=F[h+8>>2];k=F[q>>2];if(((F[q+4>>2]-k>>2>>>0)/3|0)<=(m|0)){f=-1;break l}a=-1;f=-1;b=-1;x=F[q+24>>2];g=-1;$:{if((i|0)==-1){break $}n=i+1|0;n=(n>>>0)%3|0?n:i-2|0;g=-1;if((n|0)==-1){break $}g=F[k+(n<<2)>>2]}n=g;o=F[x+(n<<2)>>2];aa:{if((o|0)==-1){d=1;g=-1;break aa}d=1;p=o+1|0;o=(p>>>0)%3|0?p:o-2|0;g=-1;if((o|0)==-1){break aa}d=0;a=o;g=a+1|0;g=(g>>>0)%3|0?g:a-2|0;if((g|0)!=-1){g=F[k+(g<<2)>>2]}else{g=-1}}o=F[(g<<2)+x>>2];if((o|0)!=-1){b=o+1|0;b=(b>>>0)%3|0?b:o-2|0}if((a|0)==(i|0)|(b|0)==(i|0)|((i|0)!=-1&F[F[q+12>>2]+(i<<2)>>2]!=-1|(a|0)==(b|0))){break l}if(!d&F[F[q+12>>2]+(a<<2)>>2]!=-1){break l}d=-1;o=F[q+12>>2];q=-1;ba:{if((b|0)==-1){break ba}if(F[o+(b<<2)>>2]!=-1){break l}f=b+1|0;f=(f>>>0)%3|0?f:b-2|0;q=-1;if((f|0)==-1){break ba}q=F[k+(f<<2)>>2]}f=L(m,3);F[j>>2]=f;F[o+(f<<2)>>2]=i;F[o+(i<<2)>>2]=f;f=F[j>>2]+1|0;F[o+(f<<2)>>2]=a;F[o+(a<<2)>>2]=f;a=F[j>>2]+2|0;F[o+(a<<2)>>2]=b;F[o+(b<<2)>>2]=a;a=F[j>>2];F[k+(a<<2)>>2]=g;b=a+1|0;f=k+(b<<2)|0;F[f>>2]=q;o=a+2|0;i=k+(o<<2)|0;F[i>>2]=n;a=F[h+120>>2];g=b?g:-1;n=a+(g>>>3&536870908)|0;k=F[n>>2];M=n,N=oi(g)&k,F[M>>2]=N;d=(b|0)!=-1?F[f>>2]:d;b=a+(d>>>3&536870908)|0;g=F[b>>2];M=b,N=oi(d)&g,F[M>>2]=N;b=-1;b=(o|0)!=-1?F[i>>2]:b;a=a+(b>>>3&536870908)|0;g=F[a>>2];M=a,N=oi(b)&g,F[M>>2]=N;D[j+88|0]=1;wd(e,j+88|0);Ma(l,j);m=m+1|0;g=F[j+64>>2];break _}b=F[h+64>>2];a=F[h+68>>2];if((b|0)==a<<5){if((b+1|0)<0){break h}if(b>>>0<=1073741822){a=a<<6;b=(b&-32)+32|0;a=a>>>0>b>>>0?a:b}else{a=2147483647}$a(e,a);b=F[h+64>>2]}F[h+64>>2]=b+1;a=F[h+60>>2]+(b>>>3&536870908)|0;d=F[a>>2];M=a,N=oi(b)&d,F[M>>2]=N;b=F[h+76>>2];if((b|0)!=F[h+80>>2]){F[b>>2]=i;F[h+76>>2]=b+4;break _}f=F[l>>2];a=b-f|0;o=a>>2;d=o+1|0;if(d>>>0>=1073741824){break g}n=a>>>1|0;n=a>>>0>=2147483644?1073741823:d>>>0>>0?n:d;if(n){if(n>>>0>=1073741824){break j}a=ka(n<<2)}else{a=0}d=a+(o<<2)|0;F[d>>2]=i;o=d+4|0;if((b|0)!=(f|0)){while(1){d=d-4|0;b=b-4|0;F[d>>2]=F[b>>2];if((b|0)!=(f|0)){continue}break}}F[h+80>>2]=a+(n<<2);F[h+76>>2]=o;F[h+72>>2]=d;if(!f){break _}ja(f)}if((c|0)!=(g|0)){continue}break}a=F[h+8>>2]}f=-1;if(((F[a+4>>2]-F[a>>2]>>2>>>0)/3|0)!=(m|0)){break l}f=F[a+28>>2]-F[a+24>>2]>>2;c=F[j+24>>2];n=F[j+28>>2];if((c|0)==(n|0)){break k}while(1){g=F[c>>2];e=F[a+24>>2];b=f-1|0;d=e+(b<<2)|0;if(F[d>>2]==-1){while(1){b=f-2|0;f=f-1|0;d=e+(b<<2)|0;if(F[d>>2]==-1){continue}break}}if(b>>>0>=g>>>0){F[j>>2]=a;d=F[d>>2];D[j+12|0]=1;F[j+8>>2]=d;F[j+4>>2]=d;if((d|0)!=-1){while(1){a=F[F[h+8>>2]>>2]+(d<<2)|0;if(F[a>>2]!=(b|0)){f=-1;break l}F[a>>2]=g;nc(j);d=F[j+8>>2];if((d|0)!=-1){continue}break}a=F[h+8>>2]}m=F[a+24>>2];e=m+(b<<2)|0;if((g|0)!=-1){F[m+(g<<2)>>2]=F[e>>2]}F[e>>2]=-1;e=1<>2];g=m+(g>>>3&536870908)|0;d=1<>>3&536870908)|0;if(d&F[m>>2]){b=e|F[g>>2]}else{b=F[g>>2]&(e^-1)}F[g>>2]=b;F[m>>2]=F[m>>2]&(d^-1);f=f-1|0}c=c+4|0;if((n|0)!=(c|0)){continue}break}}c=F[j+24>>2]}if(c){ja(c)}a=F[j+48>>2];if(a){while(1){c=F[a>>2];ja(a);a=c;if(a){continue}break}}a=F[j+40>>2];F[j+40>>2]=0;if(a){ja(a)}a=F[j+64>>2];if(a){F[j+68>>2]=a;ja(a)}Z=j+96|0;a=f;break f}oa();v()}na();v()}na();v()}na();v()}b=a;if((a|0)==-1){break e}a=C;c=F[a+16>>2];g=c+F[a>>2]|0;c=F[a+8>>2]-c|0;a=F[F[h+4>>2]+32>>2];E[a+38>>1]=H[a+38>>1];F[a>>2]=g;F[a+16>>2]=0;F[a+20>>2]=0;F[a+8>>2]=c;F[a+12>>2]=0;ca:{if(F[h+216>>2]==F[h+220>>2]){break ca}a=F[h+8>>2];if(F[a+4>>2]==F[a>>2]){break ca}c=0;while(1){if(Ad(h,c)){c=c+3|0;a=F[h+8>>2];if(c>>>0>2]-F[a>>2]>>2>>>0){continue}break ca}break}break e}if(G[h+308|0]){D[h+308|0]=0;g=F[h+292>>2];a=0;e=F[h+304>>2]+7|0;a=e>>>0<7?1:a;c=a>>>3|0;m=a<<29|e>>>3;a=m+F[h+288>>2]|0;e=c+g|0;F[h+288>>2]=a;F[h+292>>2]=a>>>0>>0?e+1|0:e}c=F[h+216>>2];if((c|0)!=F[h+220>>2]){a=0;while(1){e=L(a,144);Zc((e+c|0)+4|0,F[h+8>>2]);g=F[y>>2];m=g+e|0;c=F[m+132>>2];m=F[m+136>>2];if((c|0)!=(m|0)){while(1){Xc((e+F[y>>2]|0)+4|0,F[c>>2]);c=c+4|0;if((m|0)!=(c|0)){continue}break}g=F[y>>2]}if(!Yc((g+e|0)+4|0)){break e}a=a+1|0;c=F[h+216>>2];if(a>>>0<(F[h+220>>2]-c|0)/144>>>0){continue}break}}a=F[h+8>>2];Hb(h+184|0,F[a+28>>2]-F[a+24>>2]>>2);g=F[h+216>>2];if((g|0)!=F[h+220>>2]){c=0;while(1){a=L(c,144)+g|0;g=F[a+60>>2]-F[a+56>>2]>>2;e=a+104|0;a=F[h+8>>2];a=F[a+28>>2]-F[a+24>>2]>>2;Hb(e,(a|0)<(g|0)?g:a);c=c+1|0;g=F[h+216>>2];if(c>>>0<(F[h+220>>2]-g|0)/144>>>0){continue}break}}K=zd(h,b)}}Z=t- -64|0;return K|0}function Cf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,E=0,H=0,I=0,J=0,K=0,M=0,N=0,O=0;B=c;c=0;m=Z-96|0;Z=m;l=m+16|0;ma(l,0,76);F[m+92>>2]=-1;F[m+8>>2]=0;F[m>>2]=0;F[m+4>>2]=0;r=Z-16|0;Z=r;F[l+68>>2]=0;F[l+72>>2]=0;F[l>>2]=b;s=Z-16|0;Z=s;u=b;a=F[b+20>>2];a:{if((F[b+24>>2]-a|0)<=0){break a}a=F[a>>2];if((a|0)==-1){break a}c=F[F[u+8>>2]+(a<<2)>>2]}b:{c:{d:{if(!c){a=0;break d}a=F[u+100>>2];e=F[u+96>>2];F[s+8>>2]=0;F[s>>2]=0;F[s+4>>2]=0;f=a-e|0;b=(f|0)/12|0;e:{if((a|0)==(e|0)){break e}if(b>>>0>=357913942){break c}d=ka(f);F[s>>2]=d;F[s+8>>2]=d+L(b,12);a=0;n=d;f=f-12|0;d=(f-((f>>>0)%12|0)|0)+12|0;f=ma(n,0,d);F[s+4>>2]=d+f;if(G[c+84|0]){c=b>>>0<=1?1:b;h=c&1;if(b>>>0>=2){g=c&-2;c=0;while(1){d=L(a,12);b=d+e|0;i=F[b+4>>2];j=F[b>>2];d=d+f|0;F[d+8>>2]=F[b+8>>2];F[d>>2]=j;F[d+4>>2]=i;d=L(a|1,12);b=d+e|0;i=F[b+4>>2];j=F[b>>2];d=d+f|0;F[d+8>>2]=F[b+8>>2];F[d>>2]=j;F[d+4>>2]=i;a=a+2|0;c=c+2|0;if((g|0)!=(c|0)){continue}break}}if(!h){break e}b=L(a,12);a=b+e|0;c=F[a+4>>2];e=F[a>>2];b=b+f|0;F[b+8>>2]=F[a+8>>2];F[b>>2]=e;F[b+4>>2]=c;break e}h=b>>>0<=1?1:b;a=F[c+68>>2];c=0;while(1){d=L(c,12);b=d+e|0;g=F[a+(F[b>>2]<<2)>>2];i=F[a+(F[b+4>>2]<<2)>>2];d=d+f|0;F[d+8>>2]=F[a+(F[b+8>>2]<<2)>>2];F[d+4>>2]=i;F[d>>2]=g;c=c+1|0;if((h|0)!=(c|0)){continue}break}}d=0;H=Z-16|0;Z=H;h=ka(88);Zb(h);C=Z-16|0;Z=C;F[h+80>>2]=0;F[h+84>>2]=0;a=F[h+76>>2];F[h+76>>2]=0;if(a){ja(a)}F[h+68>>2]=0;F[h+72>>2]=0;b=h- -64|0;a=F[b>>2];F[b>>2]=0;if(a){ja(a)}g=F[s+4>>2];b=F[s>>2];c=(g-b|0)/12|0;a=L(c,3);f=F[h>>2];e=F[h+4>>2]-f>>2;f:{if(a>>>0>e>>>0){nd(h,a-e|0);g=F[s+4>>2];b=F[s>>2];c=(g-b|0)/12|0;break f}if(a>>>0>=e>>>0){break f}F[h+4>>2]=f+(a<<2)}g:{if((b|0)==(g|0)){break g}e=c>>>0<=1?1:c;g=e&1;a=F[h>>2];if(c>>>0>=2){i=e&-2;c=0;while(1){e=L(d,12);j=e+a|0;f=b+e|0;F[j>>2]=F[f>>2];F[a+(e|4)>>2]=F[f+4>>2];F[j+8>>2]=F[f+8>>2];f=L(d|1,12);e=f+a|0;f=b+f|0;F[e>>2]=F[f>>2];F[e+4>>2]=F[f+4>>2];F[e+8>>2]=F[f+8>>2];d=d+2|0;c=c+2|0;if((i|0)!=(c|0)){continue}break}}if(!g){break g}c=L(d,12);a=c+a|0;b=b+c|0;F[a>>2]=F[b>>2];F[a+4>>2]=F[b+4>>2];F[a+8>>2]=F[b+8>>2]}F[C+12>>2]=-1;a=0;e=0;g=0;f=Z-32|0;Z=f;h:{i:{w=C+12|0;j:{if(!w){break j}c=F[h+4>>2];j=F[h>>2];d=c-j|0;i=d>>2;n=F[h+12>>2];b=F[h+16>>2]-n>>2;k:{if(i>>>0>b>>>0){ab(h+12|0,i-b|0,10228);c=F[h+4>>2];j=F[h>>2];d=c-j|0;i=d>>2;break k}if(b>>>0<=i>>>0){break k}F[h+16>>2]=n+(i<<2)}F[f+24>>2]=0;F[f+16>>2]=0;F[f+20>>2]=0;b=(c|0)==(j|0);if(!b){if((d|0)<0){break i}e=ka(d);F[f+20>>2]=e;F[f+16>>2]=e;F[f+24>>2]=(i<<2)+e}l:{m:{n:{o:{p:{if(d){while(1){i=F[(a<<2)+j>>2];b=F[f+20>>2]-e>>2;q:{if(i>>>0>>0){break q}F[f>>2]=0;d=i+1|0;if(d>>>0>b>>>0){Fa(f+16|0,d-b|0,f);j=F[h>>2];c=F[h+4>>2];e=F[f+16>>2];break q}if(b>>>0<=d>>>0){break q}F[f+20>>2]=(d<<2)+e}b=(i<<2)+e|0;F[b>>2]=F[b>>2]+1;a=a+1|0;d=c-j|0;i=d>>2;if(a>>>0>>0){continue}break}break p}d=0;if(!b){break o}break n}if((c|0)==(j|0)){d=0;break n}if(d>>>0>=2147483645){break m}}d=ka(d<<1);ma(d,255,i<<3)}F[f+8>>2]=0;F[f>>2]=0;F[f+4>>2]=0;b=F[f+20>>2];a=b-e|0;t=a>>2;r:{s:{if((b|0)==(e|0)){break s}if((a|0)<0){break r}q=ka(a);F[f>>2]=q;F[f+8>>2]=(t<<2)+q;b=ma(q,0,a);F[f+4>>2]=b+a;c=t>>>0<=1?1:t;n=c&3;a=0;if(c-1>>>0>=3){o=c&-4;while(1){c=g<<2;F[c+b>>2]=a;x=c|4;a=F[c+e>>2]+a|0;F[x+b>>2]=a;y=c|8;a=a+F[e+x>>2]|0;F[y+b>>2]=a;c=c|12;a=a+F[e+y>>2]|0;F[c+b>>2]=a;a=a+F[c+e>>2]|0;g=g+4|0;p=p+4|0;if((o|0)!=(p|0)){continue}break}}if(!n){break s}while(1){c=g<<2;F[c+b>>2]=a;g=g+1|0;a=F[c+e>>2]+a|0;k=k+1|0;if((n|0)!=(k|0)){continue}break}}if(!i){break l}x=F[h+40>>2];y=F[h+12>>2];n=0;while(1){I=n<<2;a=I+j|0;k=-1;c=n+1|0;b=(c>>>0)%3|0?c:n-2|0;if((b|0)!=-1){k=F[(b<<2)+j>>2]}b=F[a>>2];t:{u:{if(!((n>>>0)%3|0)){p=-1;a=n+2|0;if((a|0)!=-1){p=F[(a<<2)+j>>2]}if(!((b|0)==(k|0)|(b|0)==(p|0))&(k|0)!=(p|0)){break u}x=x+1|0;F[h+40>>2]=x;c=n+3|0;break t}p=F[a-4>>2]}a=p<<2;A=F[a+e>>2];v:{w:{if((A|0)<=0){break w}a=F[a+q>>2];g=0;while(1){o=(a<<3)+d|0;z=F[o>>2];if((z|0)==-1){break w}x:{if((k|0)!=(z|0)){break x}o=F[o+4>>2];if((o|0)!=-1){z=F[(o<<2)+j>>2]}else{z=-1}if((z|0)==(b|0)){break x}while(1){y:{b=a;g=g+1|0;if((A|0)<=(g|0)){break y}a=b+1|0;J=(a<<3)+d|0;z=F[J>>2];K=(b<<3)+d|0;F[K+4>>2]=F[J+4>>2];F[K>>2]=z;if((z|0)!=-1){continue}}break}F[(b<<3)+d>>2]=-1;if((o|0)==-1){break w}F[y+I>>2]=o;F[y+(o<<2)>>2]=n;break v}a=a+1|0;g=g+1|0;if((A|0)!=(g|0)){continue}break}}a=k<<2;k=F[a+e>>2];if((k|0)<=0){break v}a=F[a+q>>2];g=0;while(1){b=(a<<3)+d|0;if(F[b>>2]==-1){F[b>>2]=p;F[b+4>>2]=n;break v}a=a+1|0;g=g+1|0;if((k|0)!=(g|0)){continue}break}}}n=c;if(n>>>0>>0){continue}break}break l}break i}na();v()}F[w>>2]=t;if(q){ja(q)}if(d){ja(d)}a=F[f+16>>2];if(!a){break j}F[f+20>>2]=a;ja(a)}Z=f+32|0;x=(w|0)!=0;if(x){k=Z-32|0;Z=k;a=F[h>>2];g=F[h+4>>2];F[k+24>>2]=0;F[k+16>>2]=0;F[k+20>>2]=0;if((a|0)==(g|0)){c=g}else{a=g-a|0;if((a|0)<0){break i}a=a>>2;b=(a-1>>>5|0)+1|0;c=ka(b<<2);F[k+24>>2]=b;F[k+20>>2]=0;F[k+16>>2]=c;Yb(k+16|0,a);g=F[h>>2];c=F[h+4>>2]}F[k+8>>2]=0;F[k>>2]=0;while(1){z:{o=0;i=0;if((c|0)==(g|0)){break z}while(1){b=F[k+16>>2];A:{if(F[b+(i>>>3&536870908)>>2]>>>i&1){break A}c=F[k>>2];F[k+4>>2]=c;e=F[h+12>>2];a=i;while(1){B:{f=a+1|0;d=a;a=(f>>>0)%3|0?f:a-2|0;if((a|0)==-1){break B}a=F[e+(a<<2)>>2];if((a|0)==-1){break B}f=a+1|0;a=(f>>>0)%3|0?f:a-2|0;if((i|0)==(a|0)|(a|0)==-1){break B}if(!(F[b+(a>>>3&536870908)>>2]>>>a&1)){continue}}break}j=d;C:{D:{E:{while(1){a=F[k+16>>2]+(j>>>3&536870908)|0;F[a>>2]=F[a>>2]|1<>>0)%3|0?a:j-2|0;g=F[h>>2];y=(j>>>0)%3|0;b=(y?-1:2)+j|0;n=F[k>>2];A=(n|0)==(c|0);F:{if(A){break F}w=F[(f<<2)+g>>2];q=F[h+12>>2];a=n;if((b|0)!=-1){e=q+(b<<2)|0;while(1){G:{if((w|0)!=F[a>>2]){break G}p=F[a+4>>2];t=F[e>>2];if((p|0)==(t|0)){break G}e=b;c=-1;a=-1;if((p|0)==-1){break C}break D}a=a+8|0;if((c|0)!=(a|0)){continue}break}break F}while(1){if((w|0)==F[a>>2]){t=-1;e=-1;p=F[a+4>>2];if((p|0)!=-1){break D}}a=a+8|0;if((c|0)!=(a|0)){continue}break}}b=F[(b<<2)+g>>2];H:{if(F[k+8>>2]!=(c|0)){F[c>>2]=b;F[c+4>>2]=f;c=c+8|0;F[k+4>>2]=c;break H}a=c-n|0;p=a>>3;e=p+1|0;if(e>>>0>=536870912){break i}g=a>>>2|0;g=a>>>0>=2147483640?536870911:e>>>0>>0?g:e;if(g){if(g>>>0>=536870912){break E}e=ka(g<<3)}else{e=0}a=e+(p<<3)|0;F[a>>2]=b;F[a+4>>2]=f;b=a+8|0;if(!A){while(1){c=c-8|0;f=F[c+4>>2];a=a-8|0;F[a>>2]=F[c>>2];F[a+4>>2]=f;if((c|0)!=(n|0)){continue}break}c=F[k>>2]}F[k+8>>2]=e+(g<<3);F[k+4>>2]=b;F[k>>2]=a;if(c){ja(c)}c=b}I:{J:{if(y){a=j-1|0;break J}a=j+2|0;if((a|0)==-1){break I}}a=F[F[h+12>>2]+(a<<2)>>2];if((a|0)==-1){break I}j=a+((a>>>0)%3|0?-1:2)|0;if((d|0)==(j|0)){break I}if((j|0)!=-1){continue}}break}g=F[h>>2];break A}oa();v()}c=F[q+(p<<2)>>2];b=e;a=p}if((t|0)!=-1){F[q+(t<<2)>>2]=-1}if((c|0)!=-1){F[q+(c<<2)>>2]=-1}F[q+(b<<2)>>2]=-1;F[q+(a<<2)>>2]=-1;o=1}i=i+1|0;c=F[h+4>>2];if(i>>>0>2>>>0){continue}break}if(o){continue}}break}a=F[k>>2];if(a){ja(a)}a=F[k+16>>2];if(a){ja(a)}Z=k+32|0;n=0;g=Z-32|0;Z=g;e=F[C+12>>2];F[h+36>>2]=e;p=h+24|0;b=F[h+24>>2];a=F[h+28>>2]-b>>2;K:{L:{if(a>>>0>>0){ab(p,e-a|0,10228);F[g+24>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;break L}if(a>>>0>e>>>0){F[h+28>>2]=b+(e<<2)}F[g+24>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;if(!e){break K}}if((e|0)<0){break i}a=(e-1>>>5|0)+1|0;b=ka(a<<2);F[g+24>>2]=a;F[g+20>>2]=0;F[g+16>>2]=b;Yb(g+16|0,e)}a=F[h>>2];b=F[h+4>>2];F[g+8>>2]=0;F[g>>2]=0;F[g+4>>2]=0;M:{if((a|0)==(b|0)){a=b}else{a=b-a|0;if((a|0)<0){break i}a=a>>2;b=(a-1>>>5|0)+1|0;c=ka(b<<2);F[g+8>>2]=b;F[g+4>>2]=0;F[g>>2]=c;Yb(g,a);b=F[h>>2];a=F[h+4>>2]}if(a-b>>>0<12){break M}N:{while(1){q=L(n,3);d=(q<<2)+b|0;f=F[d>>2];c=-1;i=q+1|0;if((i|0)!=-1){c=F[(i<<2)+b>>2]}O:{if((c|0)==(f|0)){break O}i=f;f=F[d+8>>2];if((i|0)==(f|0)|(c|0)==(f|0)){break O}k=0;i=F[g>>2];while(1){f=k+q|0;if(!(F[(f>>>3&536870908)+i>>2]>>>f&1)){a=F[(f<<2)+b>>2];c=1<>2];b=a>>>5|0;i=F[d+(b<<2)>>2];t=c&i;if(t){c=F[h+28>>2];P:{if((c|0)!=F[h+32>>2]){F[c>>2]=-1;F[h+28>>2]=c+4;break P}i=F[p>>2];b=c-i|0;o=b>>2;d=o+1|0;if(d>>>0>=1073741824){break i}j=b>>>1|0;j=b>>>0>=2147483644?1073741823:d>>>0>>0?j:d;if(j){if(j>>>0>=1073741824){break N}b=ka(j<<2)}else{b=0}d=b+(o<<2)|0;F[d>>2]=-1;o=d+4|0;if((c|0)!=(i|0)){while(1){d=d-4|0;c=c-4|0;F[d>>2]=F[c>>2];if((c|0)!=(i|0)){continue}break}}F[h+32>>2]=b+(j<<2);F[h+28>>2]=o;F[h+24>>2]=d;if(!i){break P}ja(i)}c=F[h+52>>2];Q:{if((c|0)!=F[h+56>>2]){F[c>>2]=a;F[h+52>>2]=c+4;break Q}i=F[h+48>>2];b=c-i|0;o=b>>2;d=o+1|0;if(d>>>0>=1073741824){break i}j=b>>>1|0;j=b>>>0>=2147483644?1073741823:d>>>0>>0?j:d;if(j){if(j>>>0>=1073741824){break N}b=ka(j<<2)}else{b=0}d=b+(o<<2)|0;F[d>>2]=a;a=d+4|0;if((c|0)!=(i|0)){while(1){d=d-4|0;c=c-4|0;F[d>>2]=F[c>>2];if((c|0)!=(i|0)){continue}break}}F[h+56>>2]=b+(j<<2);F[h+52>>2]=a;F[h+48>>2]=d;if(!i){break Q}ja(i)}c=F[g+20>>2];a=F[g+24>>2];if((c|0)==a<<5){if((c+1|0)<0){break i}b=g+16|0;if(c>>>0<=1073741822){a=a<<6;c=(c&-32)+32|0;a=a>>>0>c>>>0?a:c}else{a=2147483647}$a(b,a);c=F[g+20>>2]}F[g+20>>2]=c+1;d=F[g+16>>2];a=d+(c>>>3&536870908)|0;b=F[a>>2];N=a,O=oi(c)&b,F[N>>2]=O;c=1<>>5|0;i=F[(b<<2)+d>>2];a=e;e=a+1|0}F[(b<<2)+d>>2]=c|i;o=F[h+24>>2]+(a<<2)|0;j=F[h+12>>2];b=F[h>>2];i=F[g>>2];c=f;R:{S:{T:{while(1){if((c|0)==-1){break T}d=(c>>>3&536870908)+i|0;F[d>>2]=F[d>>2]|1<>2]=c;if(t){F[(c<<2)+b>>2]=a}w=c+1|0;c=(w>>>0)%3|0?w:c-2|0;d=-1;U:{if((c|0)==-1){break U}c=F[j+(c<<2)>>2];d=-1;if((c|0)==-1){break U}d=c+1|0;d=(d>>>0)%3|0?d:c-2|0}c=d;if((f|0)!=(c|0)){continue}break}if((f|0)!=-1){break R}c=1;break S}if((f>>>0)%3|0){c=f-1|0;break S}c=f+2|0;if((c|0)==-1){break R}}c=F[j+(c<<2)>>2];if((c|0)==-1){break R}V:{if((c>>>0)%3|0){c=c-1|0;break V}c=c+2|0;if((c|0)==-1){break R}}f=F[h+12>>2];b=F[h>>2];while(1){d=(c>>>3&536870908)+i|0;F[d>>2]=F[d>>2]|1<>2]=a}W:{if((c>>>0)%3|0){c=c-1|0;break W}c=c+2|0;if((c|0)==-1){break R}}c=F[f+(c<<2)>>2];if((c|0)==-1){break R}c=c+((c>>>0)%3|0?-1:2)|0;if((c|0)!=-1){continue}break}}}k=k+1|0;if((k|0)!=3){continue}break}b=F[h>>2];a=F[h+4>>2]}n=n+1|0;if(n>>>0<(a-b>>2>>>0)/3>>>0){continue}break}break M}oa();v()}c=0;F[h+44>>2]=0;a=F[g+16>>2];b=F[g+20>>2];if(b){e=b&31;b=(b>>>3&536870908)+a|0;d=a;i=0;while(1){if(!(F[d>>2]>>>c&1)){i=i+1|0;F[h+44>>2]=i}f=(c|0)==31;c=f?0:c+1|0;d=(f<<2)+d|0;if((b|0)!=(d|0)|(c|0)!=(e|0)){continue}break}}b=F[g>>2];if(b){ja(b);a=F[g+16>>2]}if(a){ja(a)}Z=g+32|0}Z=C+16|0;if(!x){F[H+8>>2]=0;Za(h);h=0}Z=H+16|0;a=h;break h}na();v()}b=F[s>>2];if(!b){break d}F[s+4>>2]=b;ja(b)}Z=s+16|0;break b}na();v()}c=F[l+4>>2];b=a;F[l+4>>2]=a;if(c){Za(c);b=F[l+4>>2]}X:{if(!b){break X}a=F[u+100>>2];c=F[u+96>>2];D[r+12|0]=0;Ea(l+56|0,(a-c|0)/12|0,r+12|0);a=F[u+100>>2];c=F[u+96>>2];if((a|0)==(c|0)){break 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ca}F[e+12>>2]=-1;F[e+8>>2]=m;Qa(e+8|0,e+12|0);if(c){break ba}}c=-1;f=a+1|0;f=(f>>>0)%3|0?f:a-2|0;if((f|0)>=0){g=(f>>>0)/3|0;f=F[(F[F[l>>2]+96>>2]+L(g,12)|0)+(f-L(g,3)<<2)>>2]}else{f=-1}F[e+12>>2]=f;F[e+8>>2]=m;Qa(e+8|0,e+12|0);f=((a>>>0)%3|0?-1:2)+a|0;if((f|0)<0){break aa}c=(f>>>0)/3|0;c=F[(F[F[l>>2]+96>>2]+L(c,12)|0)+(f-L(c,3)<<2)>>2];break aa}c=(a|0)<0?-1:F[(F[F[l>>2]+96>>2]+L(f,12)|0)+((a>>>0)%3<<2)>>2];F[l+76>>2]=c;F[e+12>>2]=c;F[e+8>>2]=m;Qa(e+8|0,e+12|0);if(d&1){c=-1;if((a|0)==-1){break Z}if((L(f,3)|0)!=(a|0)){a=a-1|0;break _}a=a+2|0;break $}c=-1;if((a|0)==-1){break Z}c=a+1|0;a=(c>>>0)%3|0?c:a-2|0;break $}c=-1;F[e+12>>2]=-1;F[e+8>>2]=m;Qa(e+8|0,e+12|0)}F[l+76>>2]=c;F[e+12>>2]=c;F[e+8>>2]=m;Qa(e+8|0,e+12|0)}c=-1;if((a|0)==-1){break Z}}c=F[F[F[l+4>>2]+12>>2]+(a<<2)>>2]}d=d+1|0;if((h|0)!=(d|0)){continue}break}}Z=e+16|0;c=F[u+96>>2];a=F[u+100>>2]}E=E+1|0;if(E>>>0<(a-c|0)/12>>>0){continue}break}}Z=r+16|0;da:{if(b){a=F[B>>2];if(a){F[B+4>>2]=a;ja(a)}F[B>>2]=F[m>>2];F[B+4>>2]=F[m+4>>2];F[B+8>>2]=F[m+8>>2];M=F[m+84>>2];break da}a=F[m>>2];if(!a){break da}F[m+4>>2]=a;ja(a)}a=F[m+72>>2];if(a){ja(a)}a=F[m+48>>2];if(a){F[m+52>>2]=a;ja(a)}a=F[m+36>>2];if(a){F[m+40>>2]=a;ja(a)}a=F[m+24>>2];if(a){F[m+28>>2]=a;ja(a)}a=F[m+20>>2];F[m+20>>2]=0;if(a){Za(a)}Z=m+96|0;return M|0}function sf(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;i=b;a=0;b=0;a:{b:{switch(d-1|0){case 0:j=F[i+80>>2];h=G[c+24|0];c:{if((L(j,h)|0)!=(e|0)){break c}d=F[c+28>>2]!=1;b=G[c+84|0];if(!(d|!b)){la(f,F[F[c>>2]>>2]+F[c+48>>2]|0,e);b=1;break c}if(h){a=ka(h);ma(a,0,h)}d:{if(!j){b=1;break d}if(!d){if(h){d=0;e=0;while(1){i=d+f|0;k=F[F[c>>2]>>2];m=F[c+48>>2];g=F[c+40>>2];b=ki(g,F[c+44>>2],G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],0);n=b;b=b+m|0;la(i,la(a,b+k|0,g),h);d=d+h|0;b=1;e=e+1|0;if((j|0)!=(e|0)){continue}break}break d}if(b){b=1;h=F[c>>2];e=F[c+48>>2];f=F[c+40>>2];i=F[c+44>>2];if((j|0)!=1){g=j&-2;c=0;d=0;while(1){k=F[h>>2];m=ki(f,i,c,0)+e|0;k=la(a,k+m|0,f);m=F[h>>2];n=ki(f,i,c|1,0)+e|0;la(k,m+n|0,f);c=c+2|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}g=c}if(!(j&1)){break d}c=F[h>>2];d=ki(g,0,f,i)+e|0;la(a,c+d|0,f);break d}b=1;h=F[c>>2];e=F[c+48>>2];g=F[c+68>>2];f=F[c+40>>2];i=F[c+44>>2];c=0;if((j|0)!=1){k=j&-2;d=0;while(1){m=F[h>>2];n=c<<2;l=ki(f,i,F[n+g>>2],0)+e|0;m=la(a,m+l|0,f);l=F[h>>2];n=ki(f,i,F[g+(n|4)>>2],0)+e|0;la(m,l+n|0,f);c=c+2|0;d=d+2|0;if((k|0)!=(d|0)){continue}break}}if(!(j&1)){break d}d=F[h>>2];c=ki(f,i,F[g+(c<<2)>>2],0)+e|0;la(a,c+d|0,f);break d}b=0;if(!h){d=0;while(1){if(!Cb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],a)){break d}d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break d}d=0;e=0;while(1){if(!Cb(c,G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],D[c+24|0],a)){break d}la(d+f|0,a,h);d=d+h|0;e=e+1|0;b=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}}if(!a){break c}ja(a)}break a;case 2:n=G[c+24|0];l=n<<1;j=F[i+80>>2];e:{if((L(l,j)|0)!=(e|0)){break e}i=F[c+28>>2]!=3;d=G[c+84|0];if(!(i|!d)){la(f,F[F[c>>2]>>2]+F[c+48>>2]|0,e);a=1;break e}f:{if(!n){e=0;break f}e=ka(l);ma(e,0,l)}g:{if(!j){a=1;break g}if(!i){o=F[c+68>>2];k=F[c>>2];b=F[c+48>>2];i=F[c+40>>2];m=F[c+44>>2];if(n){if(!d){c=0;d=0;while(1){a=1;g=F[k>>2];p=ki(i,m,F[o+(d<<2)>>2],0)+b|0;la((c<<1)+f|0,la(e,g+p|0,i),l);c=c+n|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}break g}c=0;while(1){a=1;o=F[k>>2];p=ki(g,h,i,m)+b|0;la((c<<1)+f|0,la(e,o+p|0,i),l);c=c+n|0;d=h;g=g+1|0;d=g?d:d+1|0;h=d;if((j|0)!=(g|0)|d){continue}break}break g}if(!d){a=1;c=0;if((j|0)!=1){f=j&-2;d=0;while(1){h=F[k>>2];g=c<<2;n=ki(i,m,F[g+o>>2],0)+b|0;h=la(e,h+n|0,i);n=F[k>>2];g=ki(i,m,F[o+(g|4)>>2],0)+b|0;la(h,g+n|0,i);c=c+2|0;d=d+2|0;if((f|0)!=(d|0)){continue}break}}if(!(j&1)){break g}d=F[k>>2];b=ki(i,m,F[o+(c<<2)>>2],0)+b|0;la(e,b+d|0,i);break g}n=j&1;a=1;if((j|0)!=1){j=j&-2;f=0;c=0;while(1){d=F[k>>2];l=ki(g,h,i,m)+b|0;d=la(e,d+l|0,i);l=F[k>>2];o=ki(i,m,g|1,h)+b|0;la(d,l+o|0,i);g=g+2|0;h=g>>>0<2?h+1|0:h;f=f+2|0;d=f>>>0<2?c+1|0:c;c=d;if((f|0)!=(j|0)|c){continue}break}}if(!n){break g}c=F[k>>2];b=ki(g,h,i,m)+b|0;la(e,b+c|0,i);break g}if(!n){d=0;while(1){if(!Ab(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],e)){break g}d=d+1|0;a=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break g}d=0;while(1){if(!Ab(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],e)){break g}la((b<<1)+f|0,e,l);b=b+n|0;d=d+1|0;a=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}}if(!e){break e}ja(e)}b=a;break a;case 4:l=G[c+24|0];o=l<<2;j=F[i+80>>2];h:{if((L(o,j)|0)!=(e|0)){break h}i=F[c+28>>2]!=5;d=G[c+84|0];if(!(i|!d)){la(f,F[F[c>>2]>>2]+F[c+48>>2]|0,e);b=1;break h}i:{if(!l){e=0;break i}e=ka(o);ma(e,0,o)}b=1;j:{if(!j){break j}if(!i){a=F[c+68>>2];m=F[c>>2];i=F[c+48>>2];k=F[c+40>>2];n=F[c+44>>2];if(l){if(!d){c=0;d=0;while(1){g=F[m>>2];p=ki(k,n,F[a+(d<<2)>>2],0)+i|0;la((c<<2)+f|0,la(e,g+p|0,k),o);c=c+l|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}break j}c=0;while(1){d=F[m>>2];p=ki(g,h,k,n)+i|0;la((c<<2)+f|0,la(e,d+p|0,k),o);c=c+l|0;g=g+1|0;a=g?h:h+1|0;h=a;if((j|0)!=(g|0)|h){continue}break}break j}if(!d){c=0;if((j|0)!=1){f=j&-2;d=0;while(1){h=F[m>>2];g=c<<2;l=ki(k,n,F[g+a>>2],0)+i|0;h=la(e,h+l|0,k);l=F[m>>2];g=ki(k,n,F[a+(g|4)>>2],0)+i|0;la(h,g+l|0,k);c=c+2|0;d=d+2|0;if((f|0)!=(d|0)){continue}break}}if(!(j&1)){break j}d=F[m>>2];a=ki(k,n,F[a+(c<<2)>>2],0)+i|0;la(e,a+d|0,k);break j}l=j&1;if((j|0)!=1){j=j&-2;f=0;c=0;while(1){a=F[m>>2];d=ki(g,h,k,n)+i|0;a=la(e,a+d|0,k);d=F[m>>2];o=ki(k,n,g|1,h)+i|0;la(a,d+o|0,k);d=h;g=g+2|0;h=g>>>0<2?d+1|0:d;f=f+2|0;a=f>>>0<2?c+1|0:c;c=a;if((f|0)!=(j|0)|c){continue}break}}if(!l){break j}a=F[m>>2];c=ki(g,h,k,n)+i|0;la(e,a+c|0,k);break j}b=0;if(!l){d=0;while(1){if(!yb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],e)){break j}d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break j}d=0;while(1){if(!yb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],e)){break j}la((a<<2)+f|0,e,o);a=a+l|0;d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}}if(!e){break h}ja(e)}break a;case 1:j=F[i+80>>2];h=G[c+24|0];k:{if((L(j,h)|0)!=(e|0)){break k}d=F[c+28>>2]!=2;b=G[c+84|0];if(!(d|!b)){la(f,F[F[c>>2]>>2]+F[c+48>>2]|0,e);b=1;break k}if(h){a=ka(h);ma(a,0,h)}l:{if(!j){b=1;break l}if(!d){if(h){d=0;e=0;while(1){i=d+f|0;k=F[F[c>>2]>>2];m=F[c+48>>2];g=F[c+40>>2];b=ki(g,F[c+44>>2],G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],0);n=b;b=b+m|0;la(i,la(a,b+k|0,g),h);d=d+h|0;b=1;e=e+1|0;if((j|0)!=(e|0)){continue}break}break l}if(b){b=1;h=F[c>>2];e=F[c+48>>2];f=F[c+40>>2];i=F[c+44>>2];if((j|0)!=1){g=j&-2;c=0;d=0;while(1){k=F[h>>2];m=ki(f,i,c,0)+e|0;k=la(a,k+m|0,f);m=F[h>>2];n=ki(f,i,c|1,0)+e|0;la(k,m+n|0,f);c=c+2|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}g=c}if(!(j&1)){break l}c=F[h>>2];d=ki(g,0,f,i)+e|0;la(a,c+d|0,f);break l}b=1;h=F[c>>2];e=F[c+48>>2];g=F[c+68>>2];f=F[c+40>>2];i=F[c+44>>2];c=0;if((j|0)!=1){k=j&-2;d=0;while(1){m=F[h>>2];n=c<<2;l=ki(f,i,F[n+g>>2],0)+e|0;m=la(a,m+l|0,f);l=F[h>>2];n=ki(f,i,F[g+(n|4)>>2],0)+e|0;la(m,l+n|0,f);c=c+2|0;d=d+2|0;if((k|0)!=(d|0)){continue}break}}if(!(j&1)){break l}d=F[h>>2];c=ki(f,i,F[g+(c<<2)>>2],0)+e|0;la(a,c+d|0,f);break l}b=0;if(!h){d=0;while(1){if(!Bb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],a)){break l}d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break l}d=0;e=0;while(1){if(!Bb(c,G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],D[c+24|0],a)){break l}la(d+f|0,a,h);d=d+h|0;e=e+1|0;b=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}}if(!a){break k}ja(a)}break a;case 3:n=G[c+24|0];l=n<<1;j=F[i+80>>2];m:{if((L(l,j)|0)!=(e|0)){break m}i=F[c+28>>2]!=4;d=G[c+84|0];if(!(i|!d)){la(f,F[F[c>>2]>>2]+F[c+48>>2]|0,e);a=1;break m}n:{if(!n){e=0;break n}e=ka(l);ma(e,0,l)}o:{if(!j){a=1;break o}if(!i){o=F[c+68>>2];k=F[c>>2];b=F[c+48>>2];i=F[c+40>>2];m=F[c+44>>2];if(n){if(!d){c=0;d=0;while(1){a=1;g=F[k>>2];p=ki(i,m,F[o+(d<<2)>>2],0)+b|0;la((c<<1)+f|0,la(e,g+p|0,i),l);c=c+n|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}break o}c=0;while(1){a=1;o=F[k>>2];p=ki(g,h,i,m)+b|0;la((c<<1)+f|0,la(e,o+p|0,i),l);c=c+n|0;d=h;g=g+1|0;d=g?d:d+1|0;h=d;if((j|0)!=(g|0)|d){continue}break}break o}if(!d){a=1;c=0;if((j|0)!=1){f=j&-2;d=0;while(1){h=F[k>>2];g=c<<2;n=ki(i,m,F[g+o>>2],0)+b|0;h=la(e,h+n|0,i);n=F[k>>2];g=ki(i,m,F[o+(g|4)>>2],0)+b|0;la(h,g+n|0,i);c=c+2|0;d=d+2|0;if((f|0)!=(d|0)){continue}break}}if(!(j&1)){break o}d=F[k>>2];b=ki(i,m,F[o+(c<<2)>>2],0)+b|0;la(e,b+d|0,i);break o}n=j&1;a=1;if((j|0)!=1){j=j&-2;f=0;c=0;while(1){d=F[k>>2];l=ki(g,h,i,m)+b|0;d=la(e,d+l|0,i);l=F[k>>2];o=ki(i,m,g|1,h)+b|0;la(d,l+o|0,i);g=g+2|0;h=g>>>0<2?h+1|0:h;f=f+2|0;d=f>>>0<2?c+1|0:c;c=d;if((f|0)!=(j|0)|c){continue}break}}if(!n){break o}c=F[k>>2];b=ki(g,h,i,m)+b|0;la(e,b+c|0,i);break o}if(!n){d=0;while(1){if(!zb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],e)){break o}d=d+1|0;a=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break o}d=0;while(1){if(!zb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],e)){break o}la((b<<1)+f|0,e,l);b=b+n|0;d=d+1|0;a=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}}if(!e){break m}ja(e)}b=a;break a;case 5:l=G[c+24|0];o=l<<2;j=F[i+80>>2];p:{if((L(o,j)|0)!=(e|0)){break p}i=F[c+28>>2]!=6;d=G[c+84|0];if(!(i|!d)){la(f,F[F[c>>2]>>2]+F[c+48>>2]|0,e);b=1;break p}q:{if(!l){e=0;break q}e=ka(o);ma(e,0,o)}b=1;r:{if(!j){break r}if(!i){a=F[c+68>>2];m=F[c>>2];i=F[c+48>>2];k=F[c+40>>2];n=F[c+44>>2];if(l){if(!d){c=0;d=0;while(1){g=F[m>>2];p=ki(k,n,F[a+(d<<2)>>2],0)+i|0;la((c<<2)+f|0,la(e,g+p|0,k),o);c=c+l|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}break r}c=0;while(1){d=F[m>>2];p=ki(g,h,k,n)+i|0;la((c<<2)+f|0,la(e,d+p|0,k),o);c=c+l|0;g=g+1|0;a=g?h:h+1|0;h=a;if((j|0)!=(g|0)|h){continue}break}break r}if(!d){c=0;if((j|0)!=1){f=j&-2;d=0;while(1){h=F[m>>2];g=c<<2;l=ki(k,n,F[g+a>>2],0)+i|0;h=la(e,h+l|0,k);l=F[m>>2];g=ki(k,n,F[a+(g|4)>>2],0)+i|0;la(h,g+l|0,k);c=c+2|0;d=d+2|0;if((f|0)!=(d|0)){continue}break}}if(!(j&1)){break r}d=F[m>>2];a=ki(k,n,F[a+(c<<2)>>2],0)+i|0;la(e,a+d|0,k);break r}l=j&1;if((j|0)!=1){j=j&-2;f=0;c=0;while(1){a=F[m>>2];d=ki(g,h,k,n)+i|0;a=la(e,a+d|0,k);d=F[m>>2];o=ki(k,n,g|1,h)+i|0;la(a,d+o|0,k);d=h;g=g+2|0;h=g>>>0<2?d+1|0:d;f=f+2|0;a=f>>>0<2?c+1|0:c;c=a;if((f|0)!=(j|0)|c){continue}break}}if(!l){break r}a=F[m>>2];c=ki(g,h,k,n)+i|0;la(e,a+c|0,k);break r}b=0;if(!l){d=0;while(1){if(!xb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],e)){break r}d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}break r}d=0;while(1){if(!xb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],e)){break r}la((a<<2)+f|0,e,o);a=a+l|0;d=d+1|0;b=j>>>0<=d>>>0;if((d|0)!=(j|0)){continue}break}}if(!e){break p}ja(e)}break a;case 8:p=G[c+24|0];q=p<<2;k=F[i+80>>2];s:{if((L(q,k)|0)!=(e|0)){break s}i=F[c+28>>2];t:{if(!p){break t}a=ka(q);d=a;m=q-4|0;l=(m>>>2|0)+1&7;if(l){e=0;while(1){F[d>>2]=-1073741824;d=d+4|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}if(m>>>0<28){break t}e=(p<<2)+a|0;while(1){F[d+24>>2]=-1073741824;F[d+28>>2]=-1073741824;F[d+16>>2]=-1073741824;F[d+20>>2]=-1073741824;F[d+8>>2]=-1073741824;F[d+12>>2]=-1073741824;F[d>>2]=-1073741824;F[d+4>>2]=-1073741824;d=d+32|0;if((e|0)!=(d|0)){continue}break}}u:{if(!k){b=1;break u}if((i|0)==9){r=F[c+68>>2];l=F[c>>2];i=F[c+48>>2];s=G[c+84|0];m=F[c+44>>2];c=F[c+40>>2];o=c;if(p){e=0;d=0;while(1){h=(e<<2)+f|0;g=F[l>>2];b=ki(c,m,s?d:F[r+(d<<2)>>2],0)+i|0;la(h,la(a,b+g|0,o),q);e=e+p|0;b=1;d=d+1|0;if((k|0)!=(d|0)){continue}break}break u}if(!s){b=1;d=0;if((k|0)!=1){f=k&-2;e=0;while(1){h=F[l>>2];g=d<<2;j=ki(c,m,F[g+r>>2],0)+i|0;h=la(a,h+j|0,o);j=F[l>>2];g=ki(c,m,F[r+(g|4)>>2],0)+i|0;la(h,j+g|0,o);d=d+2|0;e=e+2|0;if((f|0)!=(e|0)){continue}break}}if(!(k&1)){break u}e=F[l>>2];c=ki(c,m,F[r+(d<<2)>>2],0)+i|0;la(a,c+e|0,o);break u}f=k&1;b=1;if((k|0)!=1){k=k&-2;while(1){d=F[l>>2];e=ki(g,h,c,m)+i|0;d=la(a,d+e|0,o);e=F[l>>2];p=ki(c,m,g|1,h)+i|0;la(d,e+p|0,o);g=g+2|0;h=g>>>0<2?h+1|0:h;d=j;e=n+2|0;d=e>>>0<2?d+1|0:d;n=e;j=d;if((e|0)!=(k|0)|d){continue}break}}if(!f){break u}d=F[l>>2];c=ki(g,h,c,m)+i|0;la(a,c+d|0,o);break u}if(!p){d=0;while(1){if(!lb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],a)){break u}d=d+1|0;b=k>>>0<=d>>>0;if((d|0)!=(k|0)){continue}break}break u}e=0;d=0;while(1){if(!lb(c,G[c+84|0]?d:F[F[c+68>>2]+(d<<2)>>2],D[c+24|0],a)){break u}la((e<<2)+f|0,a,q);e=e+p|0;d=d+1|0;b=k>>>0<=d>>>0;if((d|0)!=(k|0)){continue}break}}if(!a){break s}ja(a)}a=b;break;default:break b}}b=a}return b|0}function Pd(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;h=Z-80|0;Z=h;e=F[c+36>>2];F[h+72>>2]=F[c+32>>2];F[h+76>>2]=e;f=F[c+28>>2];e=h- -64|0;F[e>>2]=F[c+24>>2];F[e+4>>2]=f;e=F[c+20>>2];F[h+56>>2]=F[c+16>>2];F[h+60>>2]=e;e=F[c+12>>2];F[h+48>>2]=F[c+8>>2];F[h+52>>2]=e;e=F[c+4>>2];F[h+40>>2]=F[c>>2];F[h+44>>2]=e;jc(a,h+40|0,h+24|0);a:{if(F[a>>2]){break a}if(D[a+15|0]<0){ja(F[a+4>>2])}if(G[h+31|0]!=1){b=ka(32);D[b+20|0]=0;c=G[1446]|G[1447]<<8|(G[1448]<<16|G[1449]<<24);D[b+16|0]=c;D[b+17|0]=c>>>8;D[b+18|0]=c>>>16;D[b+19|0]=c>>>24;c=G[1442]|G[1443]<<8|(G[1444]<<16|G[1445]<<24);d=G[1438]|G[1439]<<8|(G[1440]<<16|G[1441]<<24);D[b+8|0]=d;D[b+9|0]=d>>>8;D[b+10|0]=d>>>16;D[b+11|0]=d>>>24;D[b+12|0]=c;D[b+13|0]=c>>>8;D[b+14|0]=c>>>16;D[b+15|0]=c>>>24;c=G[1434]|G[1435]<<8|(G[1436]<<16|G[1437]<<24);d=G[1430]|G[1431]<<8|(G[1432]<<16|G[1433]<<24);D[b|0]=d;D[b+1|0]=d>>>8;D[b+2|0]=d>>>16;D[b+3|0]=d>>>24;D[b+4|0]=c;D[b+5|0]=c>>>8;D[b+6|0]=c>>>16;D[b+7|0]=c>>>24;F[a>>2]=-1;ra(a+4|0,b,20);ja(b);break a}j=Z-16|0;Z=j;b:{c:{switch(G[h+32|0]){case 0:e=Kd(ka(48));F[e>>2]=9864;F[h+8>>2]=0;F[h+12>>2]=0;F[h>>2]=0;F[h+4>>2]=0;F[h+16>>2]=e;break b;case 1:e=Kd(ka(52));F[e+48>>2]=0;F[e>>2]=8176;F[h+8>>2]=0;F[h+12>>2]=0;F[h>>2]=0;F[h+4>>2]=0;F[h+16>>2]=e;break b;default:break c}}f=ka(32);D[f+28|0]=0;e=G[1520]|G[1521]<<8|(G[1522]<<16|G[1523]<<24);D[f+24|0]=e;D[f+25|0]=e>>>8;D[f+26|0]=e>>>16;D[f+27|0]=e>>>24;e=G[1516]|G[1517]<<8|(G[1518]<<16|G[1519]<<24);g=G[1512]|G[1513]<<8|(G[1514]<<16|G[1515]<<24);D[f+16|0]=g;D[f+17|0]=g>>>8;D[f+18|0]=g>>>16;D[f+19|0]=g>>>24;D[f+20|0]=e;D[f+21|0]=e>>>8;D[f+22|0]=e>>>16;D[f+23|0]=e>>>24;e=G[1508]|G[1509]<<8|(G[1510]<<16|G[1511]<<24);g=G[1504]|G[1505]<<8|(G[1506]<<16|G[1507]<<24);D[f+8|0]=g;D[f+9|0]=g>>>8;D[f+10|0]=g>>>16;D[f+11|0]=g>>>24;D[f+12|0]=e;D[f+13|0]=e>>>8;D[f+14|0]=e>>>16;D[f+15|0]=e>>>24;e=G[1500]|G[1501]<<8|(G[1502]<<16|G[1503]<<24);g=G[1496]|G[1497]<<8|(G[1498]<<16|G[1499]<<24);D[f|0]=g;D[f+1|0]=g>>>8;D[f+2|0]=g>>>16;D[f+3|0]=g>>>24;D[f+4|0]=e;D[f+5|0]=e>>>8;D[f+6|0]=e>>>16;D[f+7|0]=e>>>24;F[j>>2]=-1;e=j|4;ra(e,f,28);k=D[j+15|0];F[h>>2]=F[j>>2];g=h+4|0;d:{if((k|0)>=0){k=F[e+4>>2];F[g>>2]=F[e>>2];F[g+4>>2]=k;F[g+8>>2]=F[e+8>>2];F[h+16>>2]=0;break d}ra(g,F[j+4>>2],F[j+8>>2]);e=D[j+15|0];F[h+16>>2]=0;if((e|0)>=0){break d}ja(F[j+4>>2])}ja(f)}Z=j+16|0;e=F[h>>2];e:{if(e){F[a>>2]=e;a=a+4|0;if(D[h+15|0]>=0){b=h|4;c=F[b+4>>2];F[a>>2]=F[b>>2];F[a+4>>2]=c;F[a+8>>2]=F[b+8>>2];break e}ra(a,F[h+4>>2],F[h+8>>2]);break e}e=F[h+16>>2];F[h+16>>2]=0;F[e+44>>2]=d;f=Z-32|0;Z=f;F[e+32>>2]=c;F[e+40>>2]=b;F[e+4>>2]=d;jc(a,c,f+16|0);f:{if(F[a>>2]){break f}if(D[a+15|0]<0){ja(F[a+4>>2])}b=G[f+23|0];if(($[F[F[e>>2]+8>>2]](e)|0)!=(b|0)){b=ka(64);D[b+50|0]=0;c=G[1304]|G[1305]<<8;D[b+48|0]=c;D[b+49|0]=c>>>8;c=G[1300]|G[1301]<<8|(G[1302]<<16|G[1303]<<24);d=G[1296]|G[1297]<<8|(G[1298]<<16|G[1299]<<24);D[b+40|0]=d;D[b+41|0]=d>>>8;D[b+42|0]=d>>>16;D[b+43|0]=d>>>24;D[b+44|0]=c;D[b+45|0]=c>>>8;D[b+46|0]=c>>>16;D[b+47|0]=c>>>24;c=G[1292]|G[1293]<<8|(G[1294]<<16|G[1295]<<24);d=G[1288]|G[1289]<<8|(G[1290]<<16|G[1291]<<24);D[b+32|0]=d;D[b+33|0]=d>>>8;D[b+34|0]=d>>>16;D[b+35|0]=d>>>24;D[b+36|0]=c;D[b+37|0]=c>>>8;D[b+38|0]=c>>>16;D[b+39|0]=c>>>24;c=G[1284]|G[1285]<<8|(G[1286]<<16|G[1287]<<24);d=G[1280]|G[1281]<<8|(G[1282]<<16|G[1283]<<24);D[b+24|0]=d;D[b+25|0]=d>>>8;D[b+26|0]=d>>>16;D[b+27|0]=d>>>24;D[b+28|0]=c;D[b+29|0]=c>>>8;D[b+30|0]=c>>>16;D[b+31|0]=c>>>24;c=G[1276]|G[1277]<<8|(G[1278]<<16|G[1279]<<24);d=G[1272]|G[1273]<<8|(G[1274]<<16|G[1275]<<24);D[b+16|0]=d;D[b+17|0]=d>>>8;D[b+18|0]=d>>>16;D[b+19|0]=d>>>24;D[b+20|0]=c;D[b+21|0]=c>>>8;D[b+22|0]=c>>>16;D[b+23|0]=c>>>24;c=G[1268]|G[1269]<<8|(G[1270]<<16|G[1271]<<24);d=G[1264]|G[1265]<<8|(G[1266]<<16|G[1267]<<24);D[b+8|0]=d;D[b+9|0]=d>>>8;D[b+10|0]=d>>>16;D[b+11|0]=d>>>24;D[b+12|0]=c;D[b+13|0]=c>>>8;D[b+14|0]=c>>>16;D[b+15|0]=c>>>24;c=G[1260]|G[1261]<<8|(G[1262]<<16|G[1263]<<24);d=G[1256]|G[1257]<<8|(G[1258]<<16|G[1259]<<24);D[b|0]=d;D[b+1|0]=d>>>8;D[b+2|0]=d>>>16;D[b+3|0]=d>>>24;D[b+4|0]=c;D[b+5|0]=c>>>8;D[b+6|0]=c>>>16;D[b+7|0]=c>>>24;F[a>>2]=-1;ra(a+4|0,b,50);ja(b);break f}c=G[f+21|0];D[e+36|0]=c;d=G[f+22|0];D[e+37|0]=d;if((c|0)!=2){b=ka(32);D[b+26|0]=0;c=G[1427]|G[1428]<<8;D[b+24|0]=c;D[b+25|0]=c>>>8;c=G[1423]|G[1424]<<8|(G[1425]<<16|G[1426]<<24);d=G[1419]|G[1420]<<8|(G[1421]<<16|G[1422]<<24);D[b+16|0]=d;D[b+17|0]=d>>>8;D[b+18|0]=d>>>16;D[b+19|0]=d>>>24;D[b+20|0]=c;D[b+21|0]=c>>>8;D[b+22|0]=c>>>16;D[b+23|0]=c>>>24;c=G[1415]|G[1416]<<8|(G[1417]<<16|G[1418]<<24);d=G[1411]|G[1412]<<8|(G[1413]<<16|G[1414]<<24);D[b+8|0]=d;D[b+9|0]=d>>>8;D[b+10|0]=d>>>16;D[b+11|0]=d>>>24;D[b+12|0]=c;D[b+13|0]=c>>>8;D[b+14|0]=c>>>16;D[b+15|0]=c>>>24;c=G[1407]|G[1408]<<8|(G[1409]<<16|G[1410]<<24);d=G[1403]|G[1404]<<8|(G[1405]<<16|G[1406]<<24);D[b|0]=d;D[b+1|0]=d>>>8;D[b+2|0]=d>>>16;D[b+3|0]=d>>>24;D[b+4|0]=c;D[b+5|0]=c>>>8;D[b+6|0]=c>>>16;D[b+7|0]=c>>>24;F[a>>2]=-5;ra(a+4|0,b,26);ja(b);break f}b=b?2:3;if((b|0)!=(d|0)){b=ka(32);D[b+26|0]=0;c=G[1400]|G[1401]<<8;D[b+24|0]=c;D[b+25|0]=c>>>8;c=G[1396]|G[1397]<<8|(G[1398]<<16|G[1399]<<24);d=G[1392]|G[1393]<<8|(G[1394]<<16|G[1395]<<24);D[b+16|0]=d;D[b+17|0]=d>>>8;D[b+18|0]=d>>>16;D[b+19|0]=d>>>24;D[b+20|0]=c;D[b+21|0]=c>>>8;D[b+22|0]=c>>>16;D[b+23|0]=c>>>24;c=G[1388]|G[1389]<<8|(G[1390]<<16|G[1391]<<24);d=G[1384]|G[1385]<<8|(G[1386]<<16|G[1387]<<24);D[b+8|0]=d;D[b+9|0]=d>>>8;D[b+10|0]=d>>>16;D[b+11|0]=d>>>24;D[b+12|0]=c;D[b+13|0]=c>>>8;D[b+14|0]=c>>>16;D[b+15|0]=c>>>24;c=G[1380]|G[1381]<<8|(G[1382]<<16|G[1383]<<24);d=G[1376]|G[1377]<<8|(G[1378]<<16|G[1379]<<24);D[b|0]=d;D[b+1|0]=d>>>8;D[b+2|0]=d>>>16;D[b+3|0]=d>>>24;D[b+4|0]=c;D[b+5|0]=c>>>8;D[b+6|0]=c>>>16;D[b+7|0]=c>>>24;F[a>>2]=-5;ra(a+4|0,b,26);ja(b);break f}E[F[e+32>>2]+38>>1]=b|512;g:{if(E[f+26>>1]>=0){break g}j=Z-16|0;Z=j;d=ka(36);b=d;F[b+4>>2]=0;F[b+8>>2]=0;F[b+24>>2]=0;F[b+28>>2]=0;b=b+16|0;F[b>>2]=0;F[b+4>>2]=0;F[d>>2]=d+4;F[d+32>>2]=0;F[d+12>>2]=b;F[j>>2]=0;c=F[e+32>>2];k=Z-16|0;Z=k;b=0;h:{if(!d){break h}F[j>>2]=c;F[k+12>>2]=0;b=0;if(!fb(1,k+12|0,c)){break h}n=F[k+12>>2];if(n){while(1){i:{if(fb(1,k+8|0,F[j>>2])){b=ka(28);F[b+4>>2]=0;F[b+8>>2]=0;c=b+16|0;F[c>>2]=0;F[c+4>>2]=0;F[b>>2]=b+4;F[b+12>>2]=c;F[b+24>>2]=F[k+8>>2];if(Vc(j,b)){break i}Ca(b+12|0,F[b+16>>2]);Ba(b,F[b+4>>2]);ja(b)}b=0;break h}g=Z-16|0;Z=g;F[g+8>>2]=b;j:{if(!b){break j}c=F[d+28>>2];k:{if(c>>>0>2]){F[g+8>>2]=0;F[c>>2]=b;F[d+28>>2]=c+4;break k}c=0;l:{m:{n:{i=F[d+24>>2];m=F[d+28>>2]-i>>2;b=m+1|0;if(b>>>0<1073741824){i=F[d+32>>2]-i|0;l=i>>>1|0;i=i>>>0>=2147483644?1073741823:b>>>0>>0?l:b;if(i){if(i>>>0>=1073741824){break n}c=ka(i<<2)}l=F[g+8>>2];F[g+8>>2]=0;b=(m<<2)+c|0;F[b>>2]=l;i=(i<<2)+c|0;m=b+4|0;c=F[d+28>>2];l=F[d+24>>2];if((c|0)==(l|0)){break m}while(1){c=c-4|0;p=F[c>>2];F[c>>2]=0;b=b-4|0;F[b>>2]=p;if((c|0)!=(l|0)){continue}break}F[d+32>>2]=i;i=F[d+28>>2];F[d+28>>2]=m;c=F[d+24>>2];F[d+24>>2]=b;if((c|0)==(i|0)){break l}while(1){i=i-4|0;b=F[i>>2];F[i>>2]=0;if(b){Ca(b+12|0,F[b+16>>2]);Ba(b,F[b+4>>2]);ja(b)}if((c|0)!=(i|0)){continue}break}break l}na();v()}oa();v()}F[d+32>>2]=i;F[d+28>>2]=m;F[d+24>>2]=b}if(c){ja(c)}}b=F[g+8>>2];F[g+8>>2]=0;if(!b){break j}Ca(b+12|0,F[b+16>>2]);Ba(b,F[b+4>>2]);ja(b)}Z=g+16|0;o=o+1|0;if((n|0)!=(o|0)){continue}break}}b=Vc(j,d)}Z=k+16|0;o:{if(b){c=F[e+4>>2];b=F[c+4>>2];F[c+4>>2]=d;if(b){ic(b)}F[a>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[a+12>>2]=0;break o}b=ka(32);D[b+26|0]=0;c=G[1549]|G[1550]<<8;D[b+24|0]=c;D[b+25|0]=c>>>8;c=G[1545]|G[1546]<<8|(G[1547]<<16|G[1548]<<24);g=G[1541]|G[1542]<<8|(G[1543]<<16|G[1544]<<24);D[b+16|0]=g;D[b+17|0]=g>>>8;D[b+18|0]=g>>>16;D[b+19|0]=g>>>24;D[b+20|0]=c;D[b+21|0]=c>>>8;D[b+22|0]=c>>>16;D[b+23|0]=c>>>24;c=G[1537]|G[1538]<<8|(G[1539]<<16|G[1540]<<24);g=G[1533]|G[1534]<<8|(G[1535]<<16|G[1536]<<24);D[b+8|0]=g;D[b+9|0]=g>>>8;D[b+10|0]=g>>>16;D[b+11|0]=g>>>24;D[b+12|0]=c;D[b+13|0]=c>>>8;D[b+14|0]=c>>>16;D[b+15|0]=c>>>24;c=G[1529]|G[1530]<<8|(G[1531]<<16|G[1532]<<24);g=G[1525]|G[1526]<<8|(G[1527]<<16|G[1528]<<24);D[b|0]=g;D[b+1|0]=g>>>8;D[b+2|0]=g>>>16;D[b+3|0]=g>>>24;D[b+4|0]=c;D[b+5|0]=c>>>8;D[b+6|0]=c>>>16;D[b+7|0]=c>>>24;F[a>>2]=-1;ra(a+4|0,b,26);ja(b);F[j+8>>2]=0;ic(d)}Z=j+16|0;if(F[a>>2]){break f}if(D[a+15|0]>=0){break g}ja(F[a+4>>2])}if(!($[F[F[e>>2]+12>>2]](e)|0)){b=ka(48);D[b+33|0]=0;D[b+32|0]=G[1374];c=G[1370]|G[1371]<<8|(G[1372]<<16|G[1373]<<24);d=G[1366]|G[1367]<<8|(G[1368]<<16|G[1369]<<24);D[b+24|0]=d;D[b+25|0]=d>>>8;D[b+26|0]=d>>>16;D[b+27|0]=d>>>24;D[b+28|0]=c;D[b+29|0]=c>>>8;D[b+30|0]=c>>>16;D[b+31|0]=c>>>24;c=G[1362]|G[1363]<<8|(G[1364]<<16|G[1365]<<24);d=G[1358]|G[1359]<<8|(G[1360]<<16|G[1361]<<24);D[b+16|0]=d;D[b+17|0]=d>>>8;D[b+18|0]=d>>>16;D[b+19|0]=d>>>24;D[b+20|0]=c;D[b+21|0]=c>>>8;D[b+22|0]=c>>>16;D[b+23|0]=c>>>24;c=G[1354]|G[1355]<<8|(G[1356]<<16|G[1357]<<24);d=G[1350]|G[1351]<<8|(G[1352]<<16|G[1353]<<24);D[b+8|0]=d;D[b+9|0]=d>>>8;D[b+10|0]=d>>>16;D[b+11|0]=d>>>24;D[b+12|0]=c;D[b+13|0]=c>>>8;D[b+14|0]=c>>>16;D[b+15|0]=c>>>24;c=G[1346]|G[1347]<<8|(G[1348]<<16|G[1349]<<24);d=G[1342]|G[1343]<<8|(G[1344]<<16|G[1345]<<24);D[b|0]=d;D[b+1|0]=d>>>8;D[b+2|0]=d>>>16;D[b+3|0]=d>>>24;D[b+4|0]=c;D[b+5|0]=c>>>8;D[b+6|0]=c>>>16;D[b+7|0]=c>>>24;F[a>>2]=-1;ra(a+4|0,b,33);ja(b);break f}if(!($[F[F[e>>2]+20>>2]](e)|0)){b=Eb(f,1552);F[a>>2]=-1;c=a+4|0;if(D[b+11|0]>=0){d=F[b+4>>2];F[c>>2]=F[b>>2];F[c+4>>2]=d;F[c+8>>2]=F[b+8>>2];break f}ra(c,F[b>>2],F[b+4>>2]);if(D[b+11|0]>=0){break f}ja(F[b>>2]);break f}if(!($[F[F[e>>2]+24>>2]](e)|0)){b=Eb(f,1307);F[a>>2]=-1;c=a+4|0;if(D[b+11|0]>=0){d=F[b+4>>2];F[c>>2]=F[b>>2];F[c+4>>2]=d;F[c+8>>2]=F[b+8>>2];break f}ra(c,F[b>>2],F[b+4>>2]);if(D[b+11|0]>=0){break f}ja(F[b>>2]);break f}F[a>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[a+12>>2]=0}Z=f+32|0;if(!F[a>>2]){if(D[a+15|0]<0){ja(F[a+4>>2])}F[a>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[a+12>>2]=0}$[F[F[e>>2]+4>>2]](e)}a=F[h+16>>2];F[h+16>>2]=0;if(a){$[F[F[a>>2]+4>>2]](a)}if(D[h+15|0]>=0){break a}ja(F[h+4>>2])}Z=h+80|0}function Ub(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;l=Z-16|0;Z=l;a:{b:{c:{d:{e:{f:{g:{h:{i:{if(a>>>0<=244){g=F[2941];h=a>>>0<11?16:a+11&-8;c=h>>>3|0;b=g>>>c|0;if(b&3){c=c+((b^-1)&1)|0;a=c<<3;b=a+11804|0;d=F[a+11812>>2];a=F[d+8>>2];j:{if((b|0)==(a|0)){m=11764,n=oi(c)&g,F[m>>2]=n;break j}F[a+12>>2]=b;F[b+8>>2]=a}a=d+8|0;b=c<<3;F[d+4>>2]=b|3;b=b+d|0;F[b+4>>2]=F[b+4>>2]|1;break a}k=F[2943];if(k>>>0>=h>>>0){break i}if(b){a=2<>2];a=F[e+8>>2];k:{if((b|0)==(a|0)){g=oi(d)&g;F[2941]=g;break k}F[a+12>>2]=b;F[b+8>>2]=a}F[e+4>>2]=h|3;c=e+h|0;a=d<<3;d=a-h|0;F[c+4>>2]=d|1;F[a+e>>2]=d;if(k){b=(k&-8)+11804|0;f=F[2946];a=1<<(k>>>3);l:{if(!(a&g)){F[2941]=a|g;a=b;break l}a=F[b+8>>2]}F[b+8>>2]=f;F[a+12>>2]=f;F[f+12>>2]=b;F[f+8>>2]=a}a=e+8|0;F[2946]=c;F[2943]=d;break a}j=F[2942];if(!j){break i}c=F[(ji(0-j&j)<<2)+12068>>2];f=(F[c+4>>2]&-8)-h|0;b=c;while(1){m:{a=F[b+16>>2];if(!a){a=F[b+20>>2];if(!a){break m}}b=(F[a+4>>2]&-8)-h|0;d=b>>>0>>0;f=d?b:f;c=d?a:c;b=a;continue}break}i=F[c+24>>2];d=F[c+12>>2];if((d|0)!=(c|0)){a=F[c+8>>2];F[a+12>>2]=d;F[d+8>>2]=a;break b}b=c+20|0;a=F[b>>2];if(!a){a=F[c+16>>2];if(!a){break h}b=c+16|0}while(1){e=b;d=a;b=a+20|0;a=F[b>>2];if(a){continue}b=d+16|0;a=F[d+16>>2];if(a){continue}break}F[e>>2]=0;break b}h=-1;if(a>>>0>4294967231){break i}a=a+11|0;h=a&-8;j=F[2942];if(!j){break i}f=0-h|0;g=0;n:{if(h>>>0<256){break n}g=31;if(h>>>0>16777215){break n}a=O(a>>>8|0);g=((h>>>38-a&1)-(a<<1)|0)+62|0}b=F[(g<<2)+12068>>2];o:{p:{q:{if(!b){a=0;break q}a=0;c=h<<((g|0)!=31?25-(g>>>1|0)|0:0);while(1){r:{e=(F[b+4>>2]&-8)-h|0;if(e>>>0>=f>>>0){break r}d=b;f=e;if(e){break r}f=0;a=b;break p}e=F[b+20>>2];b=F[((c>>>29&4)+b|0)+16>>2];a=e?(e|0)==(b|0)?a:e:a;c=c<<1;if(b){continue}break}}if(!(a|d)){d=0;a=2<>2]}if(!a){break o}}while(1){b=(F[a+4>>2]&-8)-h|0;c=b>>>0>>0;f=c?b:f;d=c?a:d;b=F[a+16>>2];if(b){a=b}else{a=F[a+20>>2]}if(a){continue}break}}if(!d|F[2943]-h>>>0<=f>>>0){break i}g=F[d+24>>2];c=F[d+12>>2];if((d|0)!=(c|0)){a=F[d+8>>2];F[a+12>>2]=c;F[c+8>>2]=a;break c}b=d+20|0;a=F[b>>2];if(!a){a=F[d+16>>2];if(!a){break g}b=d+16|0}while(1){e=b;c=a;b=a+20|0;a=F[b>>2];if(a){continue}b=c+16|0;a=F[c+16>>2];if(a){continue}break}F[e>>2]=0;break c}a=F[2943];if(a>>>0>=h>>>0){d=F[2946];b=a-h|0;s:{if(b>>>0>=16){c=d+h|0;F[c+4>>2]=b|1;F[a+d>>2]=b;F[d+4>>2]=h|3;break s}F[d+4>>2]=a|3;a=a+d|0;F[a+4>>2]=F[a+4>>2]|1;c=0;b=0}F[2943]=b;F[2946]=c;a=d+8|0;break a}i=F[2944];if(i>>>0>h>>>0){b=i-h|0;F[2944]=b;c=F[2947];a=c+h|0;F[2947]=a;F[a+4>>2]=b|1;F[c+4>>2]=h|3;a=c+8|0;break a}a=0;j=h+47|0;if(F[3059]){c=F[3061]}else{F[3062]=-1;F[3063]=-1;F[3060]=4096;F[3061]=4096;F[3059]=l+12&-16^1431655768;F[3064]=0;F[3052]=0;c=4096}e=j+c|0;f=0-c|0;b=e&f;if(b>>>0<=h>>>0){break a}d=F[3051];if(d){c=F[3049];g=c+b|0;if(d>>>0>>0|c>>>0>=g>>>0){break a}}t:{if(!(G[12208]&4)){u:{v:{w:{x:{d=F[2947];if(d){a=12212;while(1){c=F[a>>2];if(c>>>0<=d>>>0&d>>>0>2]>>>0){break x}a=F[a+8>>2];if(a){continue}break}}c=eb(0);if((c|0)==-1){break u}g=b;d=F[3060];a=d-1|0;if(a&c){g=(b-c|0)+(a+c&0-d)|0}if(g>>>0<=h>>>0){break u}d=F[3051];if(d){a=F[3049];f=a+g|0;if(d>>>0>>0|a>>>0>=f>>>0){break u}}a=eb(g);if((c|0)!=(a|0)){break w}break t}g=f&e-i;c=eb(g);if((c|0)==(F[a>>2]+F[a+4>>2]|0)){break v}a=c}if((a|0)==-1){break u}if(h+48>>>0<=g>>>0){c=a;break t}c=F[3061];c=c+(j-g|0)&0-c;if((eb(c)|0)==-1){break u}g=c+g|0;c=a;break t}if((c|0)!=-1){break t}}F[3052]=F[3052]|4}c=eb(b);a=eb(0);if((c|0)==-1|(a|0)==-1|a>>>0<=c>>>0){break d}g=a-c|0;if(g>>>0<=h+40>>>0){break d}}a=F[3049]+g|0;F[3049]=a;if(a>>>0>I[3050]){F[3050]=a}y:{e=F[2947];if(e){a=12212;while(1){d=F[a>>2];b=F[a+4>>2];if((d+b|0)==(c|0)){break y}a=F[a+8>>2];if(a){continue}break}break f}a=F[2945];if(!(a>>>0<=c>>>0?a:0)){F[2945]=c}a=0;F[3054]=g;F[3053]=c;F[2949]=-1;F[2950]=F[3059];F[3056]=0;while(1){d=a<<3;b=d+11804|0;F[d+11812>>2]=b;F[d+11816>>2]=b;a=a+1|0;if((a|0)!=32){continue}break}d=g-40|0;a=c+8&7?-8-c&7:0;b=d-a|0;F[2944]=b;a=a+c|0;F[2947]=a;F[a+4>>2]=b|1;F[(c+d|0)+4>>2]=40;F[2948]=F[3063];break e}if(G[a+12|0]&8|d>>>0>e>>>0|c>>>0<=e>>>0){break f}F[a+4>>2]=b+g;a=e+8&7?-8-e&7:0;c=a+e|0;F[2947]=c;b=F[2944]+g|0;a=b-a|0;F[2944]=a;F[c+4>>2]=a|1;F[(b+e|0)+4>>2]=40;F[2948]=F[3063];break e}d=0;break b}c=0;break c}if(I[2945]>c>>>0){F[2945]=c}b=c+g|0;a=12212;z:{A:{B:{C:{D:{E:{while(1){if((b|0)!=F[a>>2]){a=F[a+8>>2];if(a){continue}break E}break}if(!(G[a+12|0]&8)){break D}}a=12212;while(1){b=F[a>>2];if(b>>>0<=e>>>0){f=b+F[a+4>>2]|0;if(f>>>0>e>>>0){break C}}a=F[a+8>>2];continue}}F[a>>2]=c;F[a+4>>2]=F[a+4>>2]+g;j=(c+8&7?-8-c&7:0)+c|0;F[j+4>>2]=h|3;g=b+(b+8&7?-8-b&7:0)|0;i=h+j|0;a=g-i|0;if((e|0)==(g|0)){F[2947]=i;a=F[2944]+a|0;F[2944]=a;F[i+4>>2]=a|1;break A}if(F[2946]==(g|0)){F[2946]=i;a=F[2943]+a|0;F[2943]=a;F[i+4>>2]=a|1;F[a+i>>2]=a;break A}f=F[g+4>>2];if((f&3)==1){e=f&-8;F:{if(f>>>0<=255){d=F[g+8>>2];b=f>>>3|0;c=F[g+12>>2];if((c|0)==(d|0)){m=11764,n=F[2941]&oi(b),F[m>>2]=n;break F}F[d+12>>2]=c;F[c+8>>2]=d;break F}h=F[g+24>>2];c=F[g+12>>2];G:{if((g|0)!=(c|0)){b=F[g+8>>2];F[b+12>>2]=c;F[c+8>>2]=b;break G}H:{f=g+20|0;b=F[f>>2];if(b){break H}f=g+16|0;b=F[f>>2];if(b){break H}c=0;break G}while(1){d=f;c=b;f=c+20|0;b=F[f>>2];if(b){continue}f=c+16|0;b=F[c+16>>2];if(b){continue}break}F[d>>2]=0}if(!h){break F}d=F[g+28>>2];b=(d<<2)+12068|0;I:{if(F[b>>2]==(g|0)){F[b>>2]=c;if(c){break I}m=11768,n=F[2942]&oi(d),F[m>>2]=n;break F}F[h+(F[h+16>>2]==(g|0)?16:20)>>2]=c;if(!c){break F}}F[c+24>>2]=h;b=F[g+16>>2];if(b){F[c+16>>2]=b;F[b+24>>2]=c}b=F[g+20>>2];if(!b){break F}F[c+20>>2]=b;F[b+24>>2]=c}g=e+g|0;f=F[g+4>>2];a=a+e|0}F[g+4>>2]=f&-2;F[i+4>>2]=a|1;F[a+i>>2]=a;if(a>>>0<=255){b=(a&-8)+11804|0;c=F[2941];a=1<<(a>>>3);J:{if(!(c&a)){F[2941]=a|c;a=b;break J}a=F[b+8>>2]}F[b+8>>2]=i;F[a+12>>2]=i;F[i+12>>2]=b;F[i+8>>2]=a;break A}f=31;if(a>>>0<=16777215){b=O(a>>>8|0);f=((a>>>38-b&1)-(b<<1)|0)+62|0}F[i+28>>2]=f;F[i+16>>2]=0;F[i+20>>2]=0;b=(f<<2)+12068|0;d=F[2942];c=1<>2]=i;break K}f=a<<((f|0)!=31?25-(f>>>1|0)|0:0);c=F[b>>2];while(1){b=c;if((F[c+4>>2]&-8)==(a|0)){break B}c=f>>>29|0;f=f<<1;d=(c&4)+b|0;c=F[d+16>>2];if(c){continue}break}F[d+16>>2]=i}F[i+24>>2]=b;F[i+12>>2]=i;F[i+8>>2]=i;break A}d=g-40|0;a=c+8&7?-8-c&7:0;b=d-a|0;F[2944]=b;a=a+c|0;F[2947]=a;F[a+4>>2]=b|1;F[(c+d|0)+4>>2]=40;F[2948]=F[3063];a=(f+(f-39&7?39-f&7:0)|0)-47|0;d=a>>>0>>0?e:a;F[d+4>>2]=27;a=F[3056];F[d+16>>2]=F[3055];F[d+20>>2]=a;a=F[3054];F[d+8>>2]=F[3053];F[d+12>>2]=a;F[3055]=d+8;F[3054]=g;F[3053]=c;F[3056]=0;a=d+24|0;while(1){F[a+4>>2]=7;b=a+8|0;a=a+4|0;if(b>>>0>>0){continue}break}if((d|0)==(e|0)){break e}F[d+4>>2]=F[d+4>>2]&-2;f=d-e|0;F[e+4>>2]=f|1;F[d>>2]=f;if(f>>>0<=255){b=(f&-8)+11804|0;c=F[2941];a=1<<(f>>>3);L:{if(!(c&a)){F[2941]=a|c;a=b;break L}a=F[b+8>>2]}F[b+8>>2]=e;F[a+12>>2]=e;F[e+12>>2]=b;F[e+8>>2]=a;break e}a=31;if(f>>>0<=16777215){a=O(f>>>8|0);a=((f>>>38-a&1)-(a<<1)|0)+62|0}F[e+28>>2]=a;F[e+16>>2]=0;F[e+20>>2]=0;b=(a<<2)+12068|0;d=F[2942];c=1<>2]=e;break M}a=f<<((a|0)!=31?25-(a>>>1|0)|0:0);d=F[b>>2];while(1){b=d;if((f|0)==(F[b+4>>2]&-8)){break z}c=a>>>29|0;a=a<<1;c=(c&4)+b|0;d=F[c+16>>2];if(d){continue}break}F[c+16>>2]=e}F[e+24>>2]=b;F[e+12>>2]=e;F[e+8>>2]=e;break e}a=F[b+8>>2];F[a+12>>2]=i;F[b+8>>2]=i;F[i+24>>2]=0;F[i+12>>2]=b;F[i+8>>2]=a}a=j+8|0;break a}a=F[b+8>>2];F[a+12>>2]=e;F[b+8>>2]=e;F[e+24>>2]=0;F[e+12>>2]=b;F[e+8>>2]=a}a=F[2944];if(a>>>0<=h>>>0){break d}b=a-h|0;F[2944]=b;c=F[2947];a=c+h|0;F[2947]=a;F[a+4>>2]=b|1;F[c+4>>2]=h|3;a=c+8|0;break a}F[2940]=48;a=0;break a}N:{if(!g){break N}b=F[d+28>>2];a=(b<<2)+12068|0;O:{if(F[a>>2]==(d|0)){F[a>>2]=c;if(c){break O}j=oi(b)&j;F[2942]=j;break N}F[g+(F[g+16>>2]==(d|0)?16:20)>>2]=c;if(!c){break N}}F[c+24>>2]=g;a=F[d+16>>2];if(a){F[c+16>>2]=a;F[a+24>>2]=c}a=F[d+20>>2];if(!a){break N}F[c+20>>2]=a;F[a+24>>2]=c}P:{if(f>>>0<=15){a=f+h|0;F[d+4>>2]=a|3;a=a+d|0;F[a+4>>2]=F[a+4>>2]|1;break P}F[d+4>>2]=h|3;e=d+h|0;F[e+4>>2]=f|1;F[e+f>>2]=f;if(f>>>0<=255){b=(f&-8)+11804|0;c=F[2941];a=1<<(f>>>3);Q:{if(!(c&a)){F[2941]=a|c;a=b;break Q}a=F[b+8>>2]}F[b+8>>2]=e;F[a+12>>2]=e;F[e+12>>2]=b;F[e+8>>2]=a;break P}a=31;if(f>>>0<=16777215){a=O(f>>>8|0);a=((f>>>38-a&1)-(a<<1)|0)+62|0}F[e+28>>2]=a;F[e+16>>2]=0;F[e+20>>2]=0;b=(a<<2)+12068|0;R:{c=1<>2]=e;break S}a=f<<((a|0)!=31?25-(a>>>1|0)|0:0);h=F[b>>2];while(1){b=h;if((F[b+4>>2]&-8)==(f|0)){break R}c=a>>>29|0;a=a<<1;c=(c&4)+b|0;h=F[c+16>>2];if(h){continue}break}F[c+16>>2]=e}F[e+24>>2]=b;F[e+12>>2]=e;F[e+8>>2]=e;break P}a=F[b+8>>2];F[a+12>>2]=e;F[b+8>>2]=e;F[e+24>>2]=0;F[e+12>>2]=b;F[e+8>>2]=a}a=d+8|0;break a}T:{if(!i){break T}b=F[c+28>>2];a=(b<<2)+12068|0;U:{if(F[a>>2]==(c|0)){F[a>>2]=d;if(d){break U}m=11768,n=oi(b)&j,F[m>>2]=n;break T}F[i+(F[i+16>>2]==(c|0)?16:20)>>2]=d;if(!d){break T}}F[d+24>>2]=i;a=F[c+16>>2];if(a){F[d+16>>2]=a;F[a+24>>2]=d}a=F[c+20>>2];if(!a){break T}F[d+20>>2]=a;F[a+24>>2]=d}V:{if(f>>>0<=15){a=f+h|0;F[c+4>>2]=a|3;a=a+c|0;F[a+4>>2]=F[a+4>>2]|1;break V}F[c+4>>2]=h|3;d=c+h|0;F[d+4>>2]=f|1;F[d+f>>2]=f;if(k){b=(k&-8)+11804|0;e=F[2946];a=1<<(k>>>3);W:{if(!(a&g)){F[2941]=a|g;a=b;break W}a=F[b+8>>2]}F[b+8>>2]=e;F[a+12>>2]=e;F[e+12>>2]=b;F[e+8>>2]=a}F[2946]=d;F[2943]=f}a=c+8|0}Z=l+16|0;return a|0}function Vc(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0;m=Z-32|0;Z=m;o=ka(12);F[o+8>>2]=0;F[o+4>>2]=b;F[o>>2]=0;s=o+12|0;b=s;a:{b:{c:{while(1){b=b-12|0;w=F[b+8>>2];j=F[b+4>>2];t=F[b>>2];if(t){if((w|0)>1e3){break a}F[m+24>>2]=0;F[m+16>>2]=0;F[m+20>>2]=0;d=1;c=F[a>>2];e=F[c+8>>2];h=F[c+12>>2];g=F[c+20>>2];f=F[c+16>>2];d:{if((h|0)<=(g|0)&f>>>0>=e>>>0|(g|0)>(h|0)){break d}e=G[f+F[c>>2]|0];h=c;c=g;f=f+1|0;c=f?c:c+1|0;F[h+16>>2]=f;F[h+20>>2]=c;Sb(m+16|0,e);if(e){c=F[a>>2];n=Tb(m+16|0);p=F[c+8>>2];g=F[c+12>>2];h=F[c+20>>2];f=F[c+16>>2];k=f+e|0;h=k>>>0>>0?h+1|0:h;if((g|0)<=(h|0)&k>>>0>p>>>0|(g|0)<(h|0)){break d}la(n,f+F[c>>2]|0,e);d=F[c+20>>2];f=e;e=e+F[c+16>>2]|0;d=f>>>0>e>>>0?d+1|0:d;F[c+16>>2]=e;F[c+20>>2]=d}j=ka(24);c=j;F[c+4>>2]=0;F[c+8>>2]=0;c=c+16|0;F[c>>2]=0;F[c+4>>2]=0;F[j>>2]=j+4;F[j+12>>2]=c;e=Z-32|0;Z=e;h=t+12|0;c=m+16|0;u=Ya(h,c);i=t+16|0;e:{if((u|0)==(i|0)){F[e+16>>2]=c;f:{g:{d=F[h+4>>2];h:{if(!d){f=h+4|0;c=f;break h}f=G[c+11|0];g=f<<24>>24<0;n=g?F[c>>2]:c;g=g?F[c+4>>2]:f;while(1){c=d;d=G[c+27|0];f=d<<24>>24<0;d=f?F[c+20>>2]:d;p=d>>>0>>0;i:{j:{k:{l:{k=p?d:g;m:{if(k){f=f?F[c+16>>2]:c+16|0;q=sa(n,f,k);if(!q){if(d>>>0>g>>>0){break m}break l}if((q|0)>=0){break l}break m}if(d>>>0<=g>>>0){break k}}f=c;d=F[c>>2];if(d){continue}break h}d=sa(f,n,k);if(d){break j}}if(p){break i}break g}if((d|0)>=0){break g}}d=F[c+4>>2];if(d){continue}break}f=c+4|0}d=ka(32);n=d+16|0;g=F[e+16>>2];n:{if(D[g+11|0]>=0){p=F[g+4>>2];F[n>>2]=F[g>>2];F[n+4>>2]=p;F[n+8>>2]=F[g+8>>2];break n}ra(n,F[g>>2],F[g+4>>2])}F[d+8>>2]=c;F[d>>2]=0;F[d+4>>2]=0;F[d+28>>2]=0;F[f>>2]=d;c=d;g=F[F[h>>2]>>2];if(g){F[h>>2]=g;c=F[f>>2]}nb(F[h+4>>2],c);F[h+8>>2]=F[h+8>>2]+1;c=1;break f}d=c;c=0}D[e+28|0]=c;F[e+24>>2]=d;d=F[e+24>>2];c=F[d+28>>2];F[d+28>>2]=j;if(!c){break e}Ca(c+12|0,F[c+16>>2]);Ba(c,F[c+4>>2]);ja(c);break e}if(!j){break e}Ca(j+12|0,F[j+16>>2]);Ba(j,F[j+4>>2]);ja(j)}Z=e+32|0;d=(i|0)!=(u|0)}if(D[m+27|0]<0){ja(F[m+16>>2])}if(d){break a}}if(!j){break a}F[m+16>>2]=0;if(!fb(1,m+16|0,F[a>>2])){break a}q=0;x=F[m+16>>2];if(x){while(1){d=0;i=Z-32|0;Z=i;F[i+24>>2]=0;F[i+16>>2]=0;F[i+20>>2]=0;c=F[a>>2];f=F[c+8>>2];o:{p:{h=F[c+12>>2];g=F[c+20>>2];e=F[c+16>>2];q:{if((h|0)<=(g|0)&e>>>0>=f>>>0|(g|0)>(h|0)){break q}f=G[e+F[c>>2]|0];h=c;c=g;e=e+1|0;c=e?c:c+1|0;F[h+16>>2]=e;F[h+20>>2]=c;Sb(i+16|0,f);if(f){e=F[a>>2];n=Tb(i+16|0);p=F[e+8>>2];g=F[e+12>>2];c=F[e+20>>2];h=F[e+16>>2];k=h+f|0;c=k>>>0>>0?c+1|0:c;if(k>>>0>p>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break q}la(n,h+F[e>>2]|0,f);c=F[e+20>>2];g=f;f=f+F[e+16>>2]|0;c=g>>>0>f>>>0?c+1|0:c;F[e+16>>2]=f;F[e+20>>2]=c}F[i+12>>2]=0;if(!fb(1,i+12|0,F[a>>2])){break q}f=F[i+12>>2];if(!f){break q}e=F[a>>2];c=F[e+8>>2];h=F[e+16>>2];g=c-h|0;c=F[e+12>>2]-(F[e+20>>2]+(c>>>0>>0)|0)|0;if((c|0)<=0&f>>>0>g>>>0|(c|0)<0){break q}F[i+8>>2]=0;F[i>>2]=0;F[i+4>>2]=0;if((f|0)<0){break p}d=ka(f);F[i>>2]=d;c=d+f|0;F[i+8>>2]=c;l=ma(d,0,f);F[i+4>>2]=c;h=F[e+12>>2];y=h;p=F[e+8>>2];c=F[e+20>>2];k=F[e+16>>2];g=f+k|0;c=g>>>0>>0?c+1|0:c;u=g;n=c;r:{if((c|0)<=(h|0)&g>>>0<=p>>>0|(c|0)<(h|0)){la(l,F[e>>2]+k|0,f);d=F[e+20>>2];c=f+F[e+16>>2]|0;d=c>>>0>>0?d+1|0:d;F[e+16>>2]=c;F[e+20>>2]=d;h=Z-48|0;Z=h;e=Ya(j,i+16|0);if((e|0)!=(j+4|0)){c=F[e+4>>2];s:{if(!c){c=e;while(1){d=F[c+8>>2];f=F[d>>2]!=(c|0);c=d;if(f){continue}break}break s}while(1){d=c;c=F[c>>2];if(c){continue}break}}if((e|0)==F[j>>2]){F[j>>2]=d}F[j+8>>2]=F[j+8>>2]-1;f=F[j+4>>2];t:{u:{g=e;d=e;e=F[d>>2];if(e){c=F[g+4>>2];if(!c){break u}while(1){d=c;c=F[c>>2];if(c){continue}break}}e=F[d+4>>2];if(e){break u}e=0;k=1;break t}F[e+8>>2]=F[d+8>>2];k=0}l=F[d+8>>2];c=F[l>>2];v:{if((d|0)==(c|0)){F[l>>2]=e;if((d|0)==(f|0)){c=0;f=e;break v}c=F[l+4>>2];break v}F[l+4>>2]=e}r=!G[d+12|0];if((d|0)!=(g|0)){l=F[g+8>>2];F[d+8>>2]=l;F[l+(((g|0)!=F[F[g+8>>2]>>2])<<2)>>2]=d;l=F[g>>2];F[d>>2]=l;F[l+8>>2]=d;l=F[g+4>>2];F[d+4>>2]=l;if(l){F[l+8>>2]=d}D[d+12|0]=G[g+12|0];f=(f|0)==(g|0)?d:f}w:{if(r|!f){break w}if(k){while(1){e=G[c+12|0];x:{d=F[c+8>>2];if(F[d>>2]!=(c|0)){if(!e){D[c+12|0]=1;D[d+12|0]=0;e=F[d+4>>2];k=F[e>>2];F[d+4>>2]=k;if(k){F[k+8>>2]=d}F[e+8>>2]=F[d+8>>2];k=F[d+8>>2];F[(((d|0)!=F[k>>2])<<2)+k>>2]=e;F[e>>2]=d;F[d+8>>2]=e;d=c;c=F[c>>2];f=(c|0)==(f|0)?d:f;c=F[c+4>>2]}y:{z:{d=F[c>>2];A:{if(!(G[d+12|0]?0:d)){e=F[c+4>>2];if(G[e+12|0]?0:e){break A}D[c+12|0]=0;c=F[c+8>>2];B:{if((f|0)==(c|0)){c=f;break B}if(G[c+12|0]){break x}}D[c+12|0]=1;break w}e=F[c+4>>2];if(!e){break z}}if(G[e+12|0]){break z}d=c;break y}D[d+12|0]=1;D[c+12|0]=0;e=F[d+4>>2];F[c>>2]=e;if(e){F[e+8>>2]=c}F[d+8>>2]=F[c+8>>2];e=F[c+8>>2];F[((F[e>>2]!=(c|0))<<2)+e>>2]=d;F[d+4>>2]=c;F[c+8>>2]=d;e=c}c=F[d+8>>2];D[d+12|0]=G[c+12|0];D[c+12|0]=1;D[e+12|0]=1;d=F[c+4>>2];e=F[d>>2];F[c+4>>2]=e;if(e){F[e+8>>2]=c}F[d+8>>2]=F[c+8>>2];e=F[c+8>>2];F[(((c|0)!=F[e>>2])<<2)+e>>2]=d;F[d>>2]=c;F[c+8>>2]=d;break w}if(!e){D[c+12|0]=1;D[d+12|0]=0;e=F[c+4>>2];F[d>>2]=e;if(e){F[e+8>>2]=d}F[c+8>>2]=F[d+8>>2];e=F[d+8>>2];F[(((d|0)!=F[e>>2])<<2)+e>>2]=c;F[c+4>>2]=d;F[d+8>>2]=c;f=(d|0)==(f|0)?c:f;c=F[d>>2]}e=F[c>>2];C:{if(!(!e|G[e+12|0])){d=c;break C}d=F[c+4>>2];if(!(G[d+12|0]?0:d)){D[c+12|0]=0;c=F[c+8>>2];if((c|0)!=(f|0)?G[c+12|0]:0){break x}D[c+12|0]=1;break w}if(e){if(!G[e+12|0]){d=c;break C}d=F[c+4>>2]}D[d+12|0]=1;D[c+12|0]=0;e=F[d>>2];F[c+4>>2]=e;if(e){F[e+8>>2]=c}F[d+8>>2]=F[c+8>>2];e=F[c+8>>2];F[((F[e>>2]!=(c|0))<<2)+e>>2]=d;F[d>>2]=c;F[c+8>>2]=d;e=c}c=F[d+8>>2];D[d+12|0]=G[c+12|0];D[c+12|0]=1;D[e+12|0]=1;d=F[c>>2];e=F[d+4>>2];F[c>>2]=e;if(e){F[e+8>>2]=c}F[d+8>>2]=F[c+8>>2];e=F[c+8>>2];F[(((c|0)!=F[e>>2])<<2)+e>>2]=d;F[d+4>>2]=c;F[c+8>>2]=d;break w}d=c;c=F[c+8>>2];c=F[(((d|0)==F[c>>2])<<2)+c>>2];continue}}D[e+12|0]=1}c=F[g+28>>2];if(c){F[g+32>>2]=c;ja(c)}if(D[g+27|0]<0){ja(F[g+16>>2])}ja(g)}F[h+8>>2]=0;F[h>>2]=0;F[h+4>>2]=0;c=F[i+4>>2];d=F[i>>2];f=c-d|0;e=0;D:{E:{if((c|0)!=(d|0)){if((f|0)<0){break E}e=ka(f);c=ma(e,0,f);g=c+f|0;F[h+8>>2]=g;F[h+4>>2]=g;F[h>>2]=c;c=d}la(e,c,f);F:{if(D[i+27|0]>=0){F[h+24>>2]=F[i+24>>2];c=F[i+20>>2];F[h+16>>2]=F[i+16>>2];F[h+20>>2]=c;break F}ra(h+16|0,F[i+16>>2],F[i+20>>2])}Tc(h+28|0,h);f=h+16|0;c=f;G:{H:{d=F[j+4>>2];I:{if(!d){e=j+4|0;c=e;break I}e=G[c+11|0];g=e<<24>>24<0;k=g?F[c>>2]:c;g=g?F[c+4>>2]:e;while(1){c=d;d=G[c+27|0];e=d<<24>>24<0;d=e?F[c+20>>2]:d;l=d>>>0>>0;J:{K:{L:{M:{r=l?d:g;N:{if(r){e=e?F[c+16>>2]:c+16|0;z=sa(k,e,r);if(!z){if(d>>>0>g>>>0){break N}break M}if((z|0)>=0){break M}break N}if(d>>>0<=g>>>0){break L}}e=c;d=F[c>>2];if(d){continue}break I}d=sa(e,k,r);if(d){break K}}if(l){break J}break H}if((d|0)>=0){break H}}d=F[c+4>>2];if(d){continue}break}e=c+4|0}d=ka(40);F[d+24>>2]=F[f+8>>2];g=F[f+4>>2];F[d+16>>2]=F[f>>2];F[d+20>>2]=g;F[f>>2]=0;F[f+4>>2]=0;F[f+8>>2]=0;Tc(d+28|0,f+12|0);F[d+8>>2]=c;F[d>>2]=0;F[d+4>>2]=0;F[e>>2]=d;c=d;f=F[F[j>>2]>>2];if(f){F[j>>2]=f;c=F[e>>2]}nb(F[j+4>>2],c);F[j+8>>2]=F[j+8>>2]+1;c=1;break G}d=c;c=0}D[h+44|0]=c;F[h+40>>2]=d;c=F[h+28>>2];if(c){F[h+32>>2]=c;ja(c)}if(D[h+27|0]<0){ja(F[h+16>>2])}c=F[h>>2];if(c){F[h+4>>2]=c;ja(c)}Z=h+48|0;break D}na();v()}d=F[i>>2];if(!d){break r}}F[i+4>>2]=d;ja(d)}d=(n|0)<=(y|0)&p>>>0>=u>>>0|(n|0)<(y|0)}if(D[i+27|0]<0){ja(F[i+16>>2])}Z=i+32|0;break o}na();v()}if(!d){break a}q=q+1|0;if((x|0)!=(q|0)){continue}break}}F[m+12>>2]=0;if(!fb(1,m+12|0,F[a>>2])){break a}c=F[a>>2];e=F[c+8>>2];f=F[c+16>>2];h=e-f|0;d=F[m+12>>2];c=F[c+12>>2]-(F[c+20>>2]+(e>>>0>>0)|0)|0;if(h>>>0>>0&(c|0)<=0|(c|0)<0){break a}if(d){q=0;h=((t|0)!=0)+w|0;while(1){O:{if(b>>>0>>0){F[b+8>>2]=h;F[b+4>>2]=0;F[b>>2]=j;b=b+12|0;d=F[m+12>>2];break O}c=b-o|0;g=(c|0)/12|0;b=g+1|0;if(b>>>0>=357913942){break c}e=(s-o|0)/12|0;f=e<<1;e=e>>>0>=178956970?357913941:b>>>0>>0?f:b;if(e){if(e>>>0>=357913942){break b}f=ka(L(e,12))}else{f=0}b=f+L(g,12)|0;F[b+8>>2]=h;F[b+4>>2]=0;F[b>>2]=j;c=pa(b+L((c|0)/-12|0,12)|0,o,c);s=f+L(e,12)|0;b=b+12|0;if(o){ja(o)}o=c}q=q+1|0;if(q>>>0>>0){continue}break}}if((b|0)!=(o|0)){continue}break}A=1;break a}na();v()}oa();v()}if(o){ja(o)}Z=m+32|0;return A}function me(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;h=Z-48|0;Z=h;a:{if((c|0)!=1){break a}i=F[a+4>>2];c=F[a+12>>2];F[h+40>>2]=0;F[h+32>>2]=0;F[h+36>>2]=0;F[h+24>>2]=0;F[h+28>>2]=0;F[h+16>>2]=0;F[h+20>>2]=0;F[h+8>>2]=0;F[h+12>>2]=0;d=h+8|0;b:{if((b|0)==-2){break b}k=F[F[F[i+4>>2]+8>>2]+(c<<2)>>2];if(($[F[F[i>>2]+8>>2]](i)|0)==1){j=Z-32|0;Z=j;l=F[F[F[i+4>>2]+8>>2]+(c<<2)>>2];c:{d:{e:{if(($[F[F[i>>2]+8>>2]](i)|0)!=1|b-1>>>0>5){break e}g=$[F[F[i>>2]+36>>2]](i)|0;f=$[F[F[i>>2]+44>>2]](i,c)|0;if(!g|!f){break e}c=$[F[F[i>>2]+40>>2]](i,c)|0;if(c){a=F[i+44>>2];F[j+12>>2]=c;F[j+8>>2]=a;F[j+20>>2]=f;F[j+16>>2]=f+12;f=j+8|0;a=0;f:{g:{switch(b-1|0){case 0:b=ka(60);F[b+4>>2]=l;F[b>>2]=2960;a=F[d+4>>2];F[b+8>>2]=F[d>>2];F[b+12>>2]=a;a=F[d+12>>2];F[b+16>>2]=F[d+8>>2];F[b+20>>2]=a;a=F[d+20>>2];F[b+24>>2]=F[d+16>>2];F[b+28>>2]=a;F[b+40>>2]=0;F[b+32>>2]=0;F[b+36>>2]=0;a=F[d+24>>2];g=F[d+28>>2];if((a|0)!=(g|0)){c=g-a|0;if((c|0)<0){break d}e=ka(c);F[b+32>>2]=e;F[b+40>>2]=(c&-4)+e;while(1){F[e>>2]=F[a>>2];e=e+4|0;a=a+4|0;if((g|0)!=(a|0)){continue}break}F[b+36>>2]=e}a=F[f+4>>2];F[b+44>>2]=F[f>>2];F[b+48>>2]=a;a=F[f+12>>2];F[b+52>>2]=F[f+8>>2];F[b+56>>2]=a;F[b>>2]=2252;a=b;break f;case 3:b=ka(112);F[b+4>>2]=l;F[b>>2]=2960;a=F[d+4>>2];F[b+8>>2]=F[d>>2];F[b+12>>2]=a;a=F[d+12>>2];F[b+16>>2]=F[d+8>>2];F[b+20>>2]=a;a=F[d+20>>2];F[b+24>>2]=F[d+16>>2];F[b+28>>2]=a;F[b+40>>2]=0;F[b+32>>2]=0;F[b+36>>2]=0;a=F[d+24>>2];g=F[d+28>>2];if((a|0)!=(g|0)){c=g-a|0;if((c|0)<0){break d}e=ka(c);F[b+32>>2]=e;F[b+40>>2]=(c&-4)+e;while(1){F[e>>2]=F[a>>2];e=e+4|0;a=a+4|0;if((g|0)!=(a|0)){continue}break}F[b+36>>2]=e}a=F[f+4>>2];F[b+44>>2]=F[f>>2];F[b+48>>2]=a;a=F[f+12>>2];F[b+52>>2]=F[f+8>>2];F[b+56>>2]=a;F[b+60>>2]=0;F[b+64>>2]=0;F[b>>2]=3016;F[b+68>>2]=0;F[b+72>>2]=0;F[b+76>>2]=0;F[b+80>>2]=0;F[b+84>>2]=0;F[b+88>>2]=0;F[b+92>>2]=0;F[b+96>>2]=0;F[b+100>>2]=0;F[b+104>>2]=0;F[b+108>>2]=0;a=b;break f;case 4:b=ka(104);F[b+4>>2]=l;F[b>>2]=2960;a=F[d+4>>2];F[b+8>>2]=F[d>>2];F[b+12>>2]=a;a=F[d+12>>2];F[b+16>>2]=F[d+8>>2];F[b+20>>2]=a;a=F[d+20>>2];F[b+24>>2]=F[d+16>>2];F[b+28>>2]=a;F[b+40>>2]=0;F[b+32>>2]=0;F[b+36>>2]=0;a=F[d+24>>2];g=F[d+28>>2];if((a|0)!=(g|0)){c=g-a|0;if((c|0)<0){break d}e=ka(c);F[b+32>>2]=e;F[b+40>>2]=(c&-4)+e;while(1){F[e>>2]=F[a>>2];e=e+4|0;a=a+4|0;if((g|0)!=(a|0)){continue}break}F[b+36>>2]=e}a=F[f+4>>2];F[b+44>>2]=F[f>>2];F[b+48>>2]=a;a=F[f+12>>2];F[b+52>>2]=F[f+8>>2];F[b+56>>2]=a;F[b+84>>2]=0;F[b+76>>2]=0;F[b+80>>2]=0;F[b+60>>2]=0;F[b+64>>2]=0;F[b>>2]=3264;a=F[f+4>>2];F[b+88>>2]=F[f>>2];F[b+92>>2]=a;a=F[f+12>>2];F[b+96>>2]=F[f+8>>2];F[b+100>>2]=a;a=b;break f;case 5:break g;default:break f}}a=ka(128);F[a+4>>2]=l;F[a>>2]=2960;b=F[d+4>>2];F[a+8>>2]=F[d>>2];F[a+12>>2]=b;b=F[d+12>>2];F[a+16>>2]=F[d+8>>2];F[a+20>>2]=b;b=F[d+20>>2];F[a+24>>2]=F[d+16>>2];F[a+28>>2]=b;F[a+40>>2]=0;F[a+32>>2]=0;F[a+36>>2]=0;h:{i:{c=F[d+28>>2];b=F[d+24>>2];if((c|0)!=(b|0)){c=c-b|0;if((c|0)<0){break i}b=ka(c);F[a+36>>2]=b;F[a+32>>2]=b;F[a+40>>2]=(c&-4)+b;e=F[d+24>>2];c=F[d+28>>2];if((e|0)!=(c|0)){while(1){F[b>>2]=F[e>>2];b=b+4|0;e=e+4|0;if((c|0)!=(e|0)){continue}break}}F[a+36>>2]=b}F[a>>2]=2904;b=F[f+4>>2];F[a+44>>2]=F[f>>2];F[a+48>>2]=b;b=F[f+12>>2];F[a+52>>2]=F[f+8>>2];F[a+56>>2]=b;b=a- -64|0;F[b>>2]=0;F[b+4>>2]=0;F[a+60>>2]=4128;F[a>>2]=3500;b=F[f+4>>2];F[a+72>>2]=F[f>>2];F[a+76>>2]=b;b=F[f+12>>2];F[a+80>>2]=F[f+8>>2];F[a+84>>2]=b;F[a+104>>2]=1065353216;F[a+108>>2]=-1;F[a+96>>2]=-1;F[a+100>>2]=-1;F[a+88>>2]=1;F[a+92>>2]=-1;F[a+60>>2]=3736;F[a+112>>2]=0;F[a+116>>2]=0;D[a+117|0]=0;D[a+118|0]=0;D[a+119|0]=0;D[a+120|0]=0;D[a+121|0]=0;D[a+122|0]=0;D[a+123|0]=0;D[a+124|0]=0;break h}na();v()}break f}e=a;break e}a=F[i+44>>2];F[j+12>>2]=g;F[j+8>>2]=a;F[j+20>>2]=f;F[j+16>>2]=f+12;f=j+8|0;a=0;j:{k:{switch(b-1|0){case 0:b=ka(60);F[b+4>>2]=l;F[b>>2]=2960;a=F[d+4>>2];F[b+8>>2]=F[d>>2];F[b+12>>2]=a;a=F[d+12>>2];F[b+16>>2]=F[d+8>>2];F[b+20>>2]=a;a=F[d+20>>2];F[b+24>>2]=F[d+16>>2];F[b+28>>2]=a;F[b+40>>2]=0;F[b+32>>2]=0;F[b+36>>2]=0;a=F[d+24>>2];g=F[d+28>>2];if((a|0)!=(g|0)){c=g-a|0;if((c|0)<0){break d}e=ka(c);F[b+32>>2]=e;F[b+40>>2]=(c&-4)+e;while(1){F[e>>2]=F[a>>2];e=e+4|0;a=a+4|0;if((g|0)!=(a|0)){continue}break}F[b+36>>2]=e}a=F[f+4>>2];F[b+44>>2]=F[f>>2];F[b+48>>2]=a;a=F[f+12>>2];F[b+52>>2]=F[f+8>>2];F[b+56>>2]=a;F[b>>2]=4156;a=b;break j;case 3:b=ka(112);F[b+4>>2]=l;F[b>>2]=2960;a=F[d+4>>2];F[b+8>>2]=F[d>>2];F[b+12>>2]=a;a=F[d+12>>2];F[b+16>>2]=F[d+8>>2];F[b+20>>2]=a;a=F[d+20>>2];F[b+24>>2]=F[d+16>>2];F[b+28>>2]=a;F[b+40>>2]=0;F[b+32>>2]=0;F[b+36>>2]=0;a=F[d+24>>2];g=F[d+28>>2];if((a|0)!=(g|0)){c=g-a|0;if((c|0)<0){break d}e=ka(c);F[b+32>>2]=e;F[b+40>>2]=(c&-4)+e;while(1){F[e>>2]=F[a>>2];e=e+4|0;a=a+4|0;if((g|0)!=(a|0)){continue}break}F[b+36>>2]=e}a=F[f+4>>2];F[b+44>>2]=F[f>>2];F[b+48>>2]=a;a=F[f+12>>2];F[b+52>>2]=F[f+8>>2];F[b+56>>2]=a;F[b+60>>2]=0;F[b+64>>2]=0;F[b>>2]=4580;F[b+68>>2]=0;F[b+72>>2]=0;F[b+76>>2]=0;F[b+80>>2]=0;F[b+84>>2]=0;F[b+88>>2]=0;F[b+92>>2]=0;F[b+96>>2]=0;F[b+100>>2]=0;F[b+104>>2]=0;F[b+108>>2]=0;a=b;break j;case 4:b=ka(104);F[b+4>>2]=l;F[b>>2]=2960;a=F[d+4>>2];F[b+8>>2]=F[d>>2];F[b+12>>2]=a;a=F[d+12>>2];F[b+16>>2]=F[d+8>>2];F[b+20>>2]=a;a=F[d+20>>2];F[b+24>>2]=F[d+16>>2];F[b+28>>2]=a;F[b+40>>2]=0;F[b+32>>2]=0;F[b+36>>2]=0;a=F[d+24>>2];g=F[d+28>>2];if((a|0)!=(g|0)){c=g-a|0;if((c|0)<0){break d}e=ka(c);F[b+32>>2]=e;F[b+40>>2]=(c&-4)+e;while(1){F[e>>2]=F[a>>2];e=e+4|0;a=a+4|0;if((g|0)!=(a|0)){continue}break}F[b+36>>2]=e}a=F[f+4>>2];F[b+44>>2]=F[f>>2];F[b+48>>2]=a;a=F[f+12>>2];F[b+52>>2]=F[f+8>>2];F[b+56>>2]=a;F[b+84>>2]=0;F[b+76>>2]=0;F[b+80>>2]=0;F[b+60>>2]=0;F[b+64>>2]=0;F[b>>2]=4816;a=F[f+4>>2];F[b+88>>2]=F[f>>2];F[b+92>>2]=a;a=F[f+12>>2];F[b+96>>2]=F[f+8>>2];F[b+100>>2]=a;a=b;break j;case 5:break k;default:break j}}a=ka(128);F[a+4>>2]=l;F[a>>2]=2960;b=F[d+4>>2];F[a+8>>2]=F[d>>2];F[a+12>>2]=b;b=F[d+12>>2];F[a+16>>2]=F[d+8>>2];F[a+20>>2]=b;b=F[d+20>>2];F[a+24>>2]=F[d+16>>2];F[a+28>>2]=b;F[a+40>>2]=0;F[a+32>>2]=0;F[a+36>>2]=0;l:{m:{c=F[d+28>>2];b=F[d+24>>2];if((c|0)!=(b|0)){c=c-b|0;if((c|0)<0){break m}b=ka(c);F[a+36>>2]=b;F[a+32>>2]=b;F[a+40>>2]=(c&-4)+b;e=F[d+24>>2];c=F[d+28>>2];if((e|0)!=(c|0)){while(1){F[b>>2]=F[e>>2];b=b+4|0;e=e+4|0;if((c|0)!=(e|0)){continue}break}}F[a+36>>2]=b}F[a>>2]=4524;b=F[f+4>>2];F[a+44>>2]=F[f>>2];F[a+48>>2]=b;b=F[f+12>>2];F[a+52>>2]=F[f+8>>2];F[a+56>>2]=b;b=a- -64|0;F[b>>2]=0;F[b+4>>2]=0;F[a+60>>2]=5624;F[a>>2]=5040;b=F[f+4>>2];F[a+72>>2]=F[f>>2];F[a+76>>2]=b;b=F[f+12>>2];F[a+80>>2]=F[f+8>>2];F[a+84>>2]=b;F[a+104>>2]=1065353216;F[a+108>>2]=-1;F[a+96>>2]=-1;F[a+100>>2]=-1;F[a+88>>2]=1;F[a+92>>2]=-1;F[a+60>>2]=5260;F[a+112>>2]=0;F[a+116>>2]=0;D[a+117|0]=0;D[a+118|0]=0;D[a+119|0]=0;D[a+120|0]=0;D[a+121|0]=0;D[a+122|0]=0;D[a+123|0]=0;D[a+124|0]=0;break l}na();v()}break j}e=a}Z=j+32|0;break c}na();v()}if(e){break b}}e=ka(44);F[e+4>>2]=k;F[e>>2]=2960;a=F[d+4>>2];F[e+8>>2]=F[d>>2];F[e+12>>2]=a;a=F[d+12>>2];F[e+16>>2]=F[d+8>>2];F[e+20>>2]=a;a=F[d+20>>2];F[e+24>>2]=F[d+16>>2];F[e+28>>2]=a;F[e+40>>2]=0;F[e+32>>2]=0;F[e+36>>2]=0;n:{c=F[d+24>>2];b=F[d+28>>2];if((c|0)!=(b|0)){a=b-c|0;if((a|0)<0){break n}k=ka(a);F[e+32>>2]=k;F[e+40>>2]=(a&-4)+k;while(1){F[k>>2]=F[c>>2];k=k+4|0;c=c+4|0;if((b|0)!=(c|0)){continue}break}F[e+36>>2]=k}F[e>>2]=5652;break b}na();v()}k=e;a=F[h+32>>2];if(!a){break a}F[h+36>>2]=a;ja(a)}Z=h+48|0;return k|0}function rf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0;m=Z-16|0;Z=m;F[m+12>>2]=b;b=ka(32);F[m>>2]=b;F[m+4>>2]=24;F[m+8>>2]=-2147483616;c=G[1196]|G[1197]<<8|(G[1198]<<16|G[1199]<<24);d=G[1192]|G[1193]<<8|(G[1194]<<16|G[1195]<<24);D[b+16|0]=d;D[b+17|0]=d>>>8;D[b+18|0]=d>>>16;D[b+19|0]=d>>>24;D[b+20|0]=c;D[b+21|0]=c>>>8;D[b+22|0]=c>>>16;D[b+23|0]=c>>>24;c=G[1188]|G[1189]<<8|(G[1190]<<16|G[1191]<<24);d=G[1184]|G[1185]<<8|(G[1186]<<16|G[1187]<<24);D[b+8|0]=d;D[b+9|0]=d>>>8;D[b+10|0]=d>>>16;D[b+11|0]=d>>>24;D[b+12|0]=c;D[b+13|0]=c>>>8;D[b+14|0]=c>>>16;D[b+15|0]=c>>>24;c=G[1180]|G[1181]<<8|(G[1182]<<16|G[1183]<<24);d=G[1176]|G[1177]<<8|(G[1178]<<16|G[1179]<<24);D[b|0]=d;D[b+1|0]=d>>>8;D[b+2|0]=d>>>16;D[b+3|0]=d>>>24;D[b+4|0]=c;D[b+5|0]=c>>>8;D[b+6|0]=c>>>16;D[b+7|0]=c>>>24;D[b+24|0]=0;l=Z-48|0;Z=l;f=F[m+12>>2];d=a;a=a+16|0;b=F[a>>2];a:{b:{if(!b){break b}c=a;while(1){e=(f|0)>F[b+16>>2];c=e?c:b;b=F[(e?b+4|0:b)>>2];if(b){continue}break}if((a|0)==(c|0)){break b}if((f|0)>=F[c+16>>2]){break a}}F[l+28>>2]=0;F[l+32>>2]=0;y=l+24|0;F[l+24>>2]=y|4;a=l+16|0;F[a>>2]=0;F[a+4>>2]=0;F[l+8>>2]=f;F[l+12>>2]=a;t=l+8|0;a=t;x=Z-16|0;Z=x;u=d+12|0;c=F[u+4>>2];c:{d:{if(!c){o=u+4|0;d=o;break d}a=F[a>>2];while(1){d=c;b=F[c+16>>2];if((b|0)>(a|0)){o=d;c=F[d>>2];if(c){continue}break d}if((a|0)<=(b|0)){g=d;a=0;break c}c=F[d+4>>2];if(c){continue}break}o=d+4|0}g=ka(32);b=F[t>>2];q=g+24|0;a=q;F[a>>2]=0;F[a+4>>2]=0;F[g+16>>2]=b;r=g+20|0;F[r>>2]=a;c=F[t+4>>2];z=t+8|0;if((c|0)!=(z|0)){while(1){p=Z-16|0;Z=p;a=p+8|0;k=c+16|0;e:{f:{g:{h:{i:{j:{k:{f=q;e=r+4|0;l:{if((f|0)==(e|0)){break l}b=G[f+27|0];h=b<<24>>24<0;i=G[k+11|0];n=i<<24>>24;j=(n|0)<0;i=j?F[k+4>>2]:i;b=h?F[f+20>>2]:b;s=i>>>0>b>>>0;w=s?b:i;if(w){j=j?F[k>>2]:k;h=h?F[f+16>>2]:f+16|0;A=sa(j,h,w);if(!A){if(b>>>0>i>>>0){break l}break k}if((A|0)>=0){break k}break l}if(b>>>0<=i>>>0){break j}}h=F[f>>2];m:{a=f;n:{if((a|0)==F[r>>2]){break n}o:{if(!h){b=f;while(1){a=F[b+8>>2];i=F[a>>2]==(b|0);b=a;if(i){continue}break}break o}b=h;while(1){a=b;b=F[b+4>>2];if(b){continue}break}}i=G[k+11|0];s=i<<24>>24;b=(s|0)<0;j=G[a+27|0];n=j<<24>>24<0;p:{i=b?F[k+4>>2]:i;j=n?F[a+20>>2]:j;w=i>>>0>>0?i:j;if(w){b=sa(n?F[a+16>>2]:a+16|0,b?F[k>>2]:k,w);if(b){break p}}if(i>>>0>j>>>0){break n}break m}if((b|0)>=0){break m}}if(!h){F[p+12>>2]=f;a=f;break e}F[p+12>>2]=a;a=a+4|0;break e}b=F[e>>2];if(!b){F[p+12>>2]=e;a=e;break e}h=(s|0)<0?F[k>>2]:k;f=e;while(1){a=b;b=G[b+27|0];e=b<<24>>24<0;b=e?F[a+20>>2]:b;k=b>>>0>>0;q:{r:{s:{t:{n=k?b:i;u:{if(n){e=e?F[a+16>>2]:a+16|0;j=sa(h,e,n);if(!j){if(b>>>0>i>>>0){break u}break t}if((j|0)>=0){break t}break u}if(b>>>0<=i>>>0){break s}}f=a;b=F[a>>2];if(b){continue}break g}b=sa(e,h,n);if(b){break r}}if(k){break q}break g}if((b|0)>=0){break g}}f=a+4|0;b=F[a+4>>2];if(b){continue}break}break g}b=sa(h,j,w);if(b){break i}}if(s){break h}break f}if((b|0)>=0){break f}}h=F[f+4>>2];v:{if(!h){b=f;while(1){a=F[b+8>>2];j=F[a>>2]!=(b|0);b=a;if(j){continue}break}break v}b=h;while(1){a=b;b=F[b>>2];if(b){continue}break}}w:{x:{if((a|0)==(e|0)){break x}j=G[a+27|0];b=j<<24>>24<0;y:{j=b?F[a+20>>2]:j;s=i>>>0>j>>>0?j:i;if(s){b=sa((n|0)<0?F[k>>2]:k,b?F[a+16>>2]:a+16|0,s);if(b){break y}}if(i>>>0>>0){break x}break w}if((b|0)>=0){break w}}if(!h){F[p+12>>2]=f;a=f+4|0;break e}F[p+12>>2]=a;break e}b=F[e>>2];if(!b){F[p+12>>2]=e;a=e;break e}h=(n|0)<0?F[k>>2]:k;f=e;while(1){a=b;b=G[b+27|0];e=b<<24>>24<0;b=e?F[a+20>>2]:b;k=b>>>0>>0;z:{A:{B:{C:{n=k?b:i;D:{if(n){e=e?F[a+16>>2]:a+16|0;j=sa(h,e,n);if(!j){if(b>>>0>i>>>0){break D}break C}if((j|0)>=0){break C}break D}if(b>>>0<=i>>>0){break B}}f=a;b=F[a>>2];if(b){continue}break g}b=sa(e,h,n);if(b){break A}}if(k){break z}break g}if((b|0)>=0){break g}}f=a+4|0;b=F[a+4>>2];if(b){continue}break}}F[p+12>>2]=a;a=f;break e}F[p+12>>2]=f;F[a>>2]=f}f=a;a=F[a>>2];if(a){b=0}else{a=ka(40);b=a+16|0;E:{if(D[c+27|0]>=0){e=F[c+20>>2];F[b>>2]=F[c+16>>2];F[b+4>>2]=e;F[b+8>>2]=F[c+24>>2];break E}ra(b,F[c+16>>2],F[c+20>>2])}b=a+28|0;F:{if(D[c+39|0]>=0){e=F[c+32>>2];F[b>>2]=F[c+28>>2];F[b+4>>2]=e;F[b+8>>2]=F[c+36>>2];break F}ra(b,F[c+28>>2],F[c+32>>2])}F[a+8>>2]=F[p+12>>2];F[a>>2]=0;F[a+4>>2]=0;F[f>>2]=a;b=a;e=F[F[r>>2]>>2];if(e){F[r>>2]=e;b=F[f>>2]}nb(F[r+4>>2],b);F[r+8>>2]=F[r+8>>2]+1;b=1}D[x+12|0]=b;F[x+8>>2]=a;Z=p+16|0;b=F[c+4>>2];G:{if(b){while(1){c=b;b=F[b>>2];if(b){continue}break G}}while(1){a=c;c=F[c+8>>2];if((a|0)!=F[c>>2]){continue}break}}if((c|0)!=(z|0)){continue}break}}F[g+8>>2]=d;F[g>>2]=0;F[g+4>>2]=0;F[o>>2]=g;c=g;a=F[F[u>>2]>>2];if(a){F[u>>2]=a;c=F[o>>2]}nb(F[u+4>>2],c);F[u+8>>2]=F[u+8>>2]+1;a=1}D[l+44|0]=a;F[l+40>>2]=g;Z=x+16|0;c=F[l+40>>2];ib(t|4,F[l+16>>2]);ib(y,F[l+28>>2])}f=Z-48|0;Z=f;d=f+8|0;g=Z-32|0;Z=g;o=g+32|0;b=o;a=g+21|0;H:{if((b|0)==(a|0)){break H}}e=b-a|0;I:{if((e|0)<=9){h=61;if((e|0)<(I[2684]<=1|0)){break I}}D[a|0]=49;b=a+1|0;h=0}F[g+12>>2]=h;F[g+8>>2]=b;h=Z-16|0;Z=h;e=Z-16|0;Z=e;J:{q=F[g+8>>2];g=q-a|0;if(g>>>0<=2147483631){K:{if(g>>>0<11){D[d+11|0]=g|G[d+11|0]&128;D[d+11|0]=G[d+11|0]&127;b=d;break K}t=e+8|0;if(g>>>0>=11){k=g+16&-16;b=k-1|0;b=(b|0)==11?k:b}else{b=10}sb(t,b+1|0);b=F[e+8>>2];F[d>>2]=b;F[d+8>>2]=F[d+8>>2]&-2147483648|F[e+12>>2]&2147483647;F[d+8>>2]=F[d+8>>2]|-2147483648;F[d+4>>2]=g}while(1){if((a|0)!=(q|0)){D[b|0]=G[a|0];b=b+1|0;a=a+1|0;continue}break}D[e+7|0]=0;D[b|0]=G[e+7|0];Z=e+16|0;break J}za();v()}Z=h+16|0;Z=o;F[f+32>>2]=m;L:{M:{a=c+20|0;d=F[a+4>>2];N:{if(!d){g=a+4|0;c=g;break N}b=G[m+11|0];c=b<<24>>24<0;e=c?F[m>>2]:m;b=c?F[m+4>>2]:b;while(1){c=d;d=G[c+27|0];g=d<<24>>24<0;d=g?F[c+20>>2]:d;o=d>>>0>>0;O:{P:{Q:{R:{h=o?d:b;S:{if(h){g=g?F[c+16>>2]:c+16|0;q=sa(e,g,h);if(!q){if(b>>>0>>0){break S}break R}if((q|0)>=0){break R}break S}if(b>>>0>=d>>>0){break Q}}g=c;d=F[c>>2];if(d){continue}break N}d=sa(g,e,h);if(d){break P}}if(o){break O}break M}if((d|0)>=0){break M}}d=F[c+4>>2];if(d){continue}break}g=c+4|0}d=ka(40);e=d+16|0;b=F[f+32>>2];T:{if(D[b+11|0]>=0){o=F[b+4>>2];F[e>>2]=F[b>>2];F[e+4>>2]=o;F[e+8>>2]=F[b+8>>2];break T}ra(e,F[b>>2],F[b+4>>2])}F[d+8>>2]=c;F[d>>2]=0;F[d+4>>2]=0;F[d+36>>2]=0;F[d+28>>2]=0;F[d+32>>2]=0;F[g>>2]=d;c=d;b=F[F[a>>2]>>2];if(b){F[a>>2]=b;c=F[g>>2]}nb(F[a+4>>2],c);F[a+8>>2]=F[a+8>>2]+1;a=1;break L}d=c;a=0}D[f+44|0]=a;F[f+40>>2]=d;a=F[f+40>>2];if(D[a+39|0]<0){ja(F[a+28>>2])}b=F[f+12>>2];F[a+28>>2]=F[f+8>>2];F[a+32>>2]=b;F[a+36>>2]=F[f+16>>2];Z=f+48|0;Z=l+48|0;if(D[m+11|0]<0){ja(F[m>>2])}Z=m+16|0}function zd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;h=Z-32|0;Z=h;g=F[F[a+4>>2]+44>>2];c=F[a+8>>2];d=F[c>>2];c=F[c+4>>2];F[h+24>>2]=0;F[h+16>>2]=0;F[h+20>>2]=0;d=(c-d>>2>>>0)/3|0;c=F[g+96>>2];f=(F[g+100>>2]-c|0)/12|0;a:{if(d>>>0>f>>>0){e=d-f|0;i=F[g+104>>2];c=F[g+100>>2];if(e>>>0<=(i-c|0)/12>>>0){b:{if(!e){break b}d=c;f=L(e,12)-12|0;i=((f>>>0)/12|0)+1&3;if(i){while(1){l=F[h+20>>2];F[d>>2]=F[h+16>>2];F[d+4>>2]=l;F[d+8>>2]=F[h+24>>2];d=d+12|0;j=j+1|0;if((i|0)!=(j|0)){continue}break}}c=L(e,12)+c|0;if(f>>>0<36){break b}while(1){f=F[h+20>>2];F[d>>2]=F[h+16>>2];F[d+4>>2]=f;F[d+8>>2]=F[h+24>>2];F[d+20>>2]=F[h+24>>2];f=F[h+20>>2];F[d+12>>2]=F[h+16>>2];F[d+16>>2]=f;F[d+32>>2]=F[h+24>>2];f=F[h+20>>2];F[d+24>>2]=F[h+16>>2];F[d+28>>2]=f;f=F[h+20>>2];F[d+36>>2]=F[h+16>>2];F[d+40>>2]=f;F[d+44>>2]=F[h+24>>2];d=d+48|0;if((d|0)!=(c|0)){continue}break}}F[g+100>>2]=c;break a}c:{f=F[g+96>>2];n=(c-f|0)/12|0;d=n+e|0;if(d>>>0<357913942){f=(i-f|0)/12|0;i=f<<1;i=f>>>0>=178956970?357913941:d>>>0>>0?i:d;if(i){if(i>>>0>=357913942){break c}l=ka(L(i,12))}f=L(n,12)+l|0;d=f;e=L(e,12);n=e-12|0;q=((n>>>0)/12|0)+1&3;if(q){while(1){r=F[h+20>>2];F[d>>2]=F[h+16>>2];F[d+4>>2]=r;F[d+8>>2]=F[h+24>>2];d=d+12|0;j=j+1|0;if((q|0)!=(j|0)){continue}break}}e=e+f|0;if(n>>>0>=36){while(1){j=F[h+20>>2];F[d>>2]=F[h+16>>2];F[d+4>>2]=j;F[d+8>>2]=F[h+24>>2];F[d+20>>2]=F[h+24>>2];j=F[h+20>>2];F[d+12>>2]=F[h+16>>2];F[d+16>>2]=j;F[d+32>>2]=F[h+24>>2];j=F[h+20>>2];F[d+24>>2]=F[h+16>>2];F[d+28>>2]=j;j=F[h+20>>2];F[d+36>>2]=F[h+16>>2];F[d+40>>2]=j;F[d+44>>2]=F[h+24>>2];d=d+48|0;if((e|0)!=(d|0)){continue}break}}j=F[g+96>>2];if((j|0)!=(c|0)){while(1){c=c-12|0;n=F[c+4>>2];f=f-12|0;d=f;F[d>>2]=F[c>>2];F[d+4>>2]=n;F[d+8>>2]=F[c+8>>2];if((c|0)!=(j|0)){continue}break}c=F[g+96>>2]}F[g+104>>2]=L(i,12)+l;F[g+100>>2]=e;F[g+96>>2]=f;if(c){ja(c)}break a}na();v()}oa();v()}if(d>>>0>=f>>>0){break a}F[g+100>>2]=c+L(d,12)}d:{if(F[a+216>>2]==F[a+220>>2]){j=F[a+4>>2];c=F[j+44>>2];d=F[c+100>>2];f=F[c+96>>2];if((d|0)!=(f|0)){c=(d-f|0)/12|0;o=c>>>0<=1?1:c;c=0;while(1){d=F[a+8>>2];i=f+L(c,12)|0;g=L(c,3);e:{f:{if((g|0)==-1){e=F[(F[d>>2]+(g<<2)|0)+4>>2];k=-1;g=1;break f}e=-1;k=F[F[d>>2]+(g<<2)>>2];l=g+1|0;if((l|0)==-1){g=0;break f}e=F[F[d>>2]+(l<<2)>>2];g=g+2|0;m=-1;if((g|0)==-1){break e}}m=F[F[d>>2]+(g<<2)>>2]}F[i+8>>2]=m;F[i+4>>2]=e;F[i>>2]=k;c=c+1|0;if((o|0)!=(c|0)){continue}break}}F[F[j+4>>2]+80>>2]=b;c=1;break d}d=0;F[h+24>>2]=0;F[h+16>>2]=0;F[h+20>>2]=0;l=F[a+8>>2];c=F[l>>2];g=F[l+4>>2];F[h+8>>2]=0;F[h>>2]=0;F[h+4>>2]=0;b=0;g:{h:{i:{j:{k:{l:{if((c|0)!=(g|0)){c=g-c|0;if((c|0)<0){break l}b=ka(c);F[h>>2]=b;F[h+8>>2]=(c&-4)+b;u=h,w=ma(b,0,c)+c|0,F[u+4>>2]=w}c=F[l+24>>2];if((F[l+28>>2]-c|0)<4){break h}f=0;while(1){g=F[(p<<2)+c>>2];m:{if((g|0)==-1){break m}n:{if(F[F[a+120>>2]+(p>>>3&536870908)>>2]>>>p&1){break n}n=F[a+216>>2];c=F[a+220>>2];if((n|0)==(c|0)){break n}e=g+2|0;i=(g>>>0)%3|0;q=i?g-1|0:e;c=(c-n|0)/144|0;r=c>>>0<=1?1:c;j=0;t=(i|0)!=0|(e|0)!=-1;while(1){s=g<<2;i=L(j,144)+n|0;c=F[s+F[F[i+68>>2]>>2]>>2];o:{if(!(F[F[i+16>>2]+(c>>>3&536870908)>>2]>>>c&1)){break o}c=-1;p:{if(!t){break p}e=F[F[l+12>>2]+(q<<2)>>2];c=-1;if((e|0)==-1){break p}c=e-1|0;if((e>>>0)%3|0){break p}c=e+2|0}if((g|0)==(c|0)){break o}e=s;s=F[i+32>>2];i=F[e+s>>2];while(1){e=0;if((c|0)==-1){break g}if((i|0)!=F[s+(c<<2)>>2]){g=c;break n}q:{r:{if((c>>>0)%3|0){e=c-1|0;break r}e=c+2|0;m=-1;if((e|0)==-1){break q}}c=F[F[l+12>>2]+(e<<2)>>2];m=-1;if((c|0)==-1){break q}m=c-1|0;if((c>>>0)%3|0){break q}m=c+2|0}c=m;if((g|0)!=(c|0)){continue}break}}j=j+1|0;if((r|0)!=(j|0)){continue}break}}i=k-f|0;e=i>>2;F[(g<<2)+b>>2]=e;s:{if(k>>>0>>0){F[k>>2]=g;k=k+4|0;F[h+20>>2]=k;break s}c=e+1|0;if(c>>>0>=1073741824){break k}d=o-f|0;k=d>>>1|0;c=d>>>0>=2147483644?1073741823:c>>>0>>0?k:c;if(c){if(c>>>0>=1073741824){break j}d=ka(c<<2)}else{d=0}e=d+(e<<2)|0;F[e>>2]=g;m=c<<2;c=pa(d,f,i);o=m+c|0;F[h+24>>2]=o;k=e+4|0;F[h+20>>2]=k;F[h+16>>2]=c;if(f){ja(f);l=F[a+8>>2]}f=c}if((g|0)==-1){break m}t:{if((g>>>0)%3|0){c=g-1|0;break t}c=g+2|0;if((c|0)==-1){break m}}c=F[F[l+12>>2]+(c<<2)>>2];if((c|0)==-1){break m}c=c+((c>>>0)%3|0?-1:2)|0;if((c|0)==-1){break m}e=g;if((c|0)==(g|0)){break m}while(1){i=c;u:{v:{c=F[a+220>>2];j=F[a+216>>2];if((c|0)==(j|0)){break v}c=(c-j|0)/144|0;n=c>>>0<=1?1:c;c=0;while(1){q=F[(j+L(c,144)|0)+32>>2];r=i<<2;if(F[q+r>>2]==F[q+(e<<2)>>2]){c=c+1|0;if((n|0)!=(c|0)){continue}break v}break}j=k-d|0;e=j>>2;F[b+r>>2]=e;if(k>>>0>>0){F[k>>2]=i;k=k+4|0;F[h+20>>2]=k;f=d;break u}c=e+1|0;if(c>>>0>=1073741824){break i}f=o-d|0;k=f>>>1|0;c=f>>>0>=2147483644?1073741823:c>>>0>>0?k:c;if(c){if(c>>>0>=1073741824){break j}f=ka(c<<2)}else{f=0}e=f+(e<<2)|0;F[e>>2]=i;m=c<<2;c=pa(f,d,j);o=m+c|0;F[h+24>>2]=o;k=e+4|0;F[h+20>>2]=k;F[h+16>>2]=c;if(!d){d=c;break u}ja(d);l=F[a+8>>2];d=c;break u}F[(i<<2)+b>>2]=F[(e<<2)+b>>2]}if((i|0)==-1){break m}w:{if((i>>>0)%3|0){c=i-1|0;break w}c=i+2|0;if((c|0)==-1){break m}}c=F[F[l+12>>2]+(c<<2)>>2];if((c|0)==-1){break m}c=c+((c>>>0)%3|0?-1:2)|0;if((c|0)==-1){break m}e=i;if((c|0)!=(g|0)){continue}break}}p=p+1|0;c=F[l+24>>2];if((p|0)>2]-c>>2){continue}break}break h}na();v()}na();v()}oa();v()}na();v()}i=F[a+4>>2];a=F[i+44>>2];c=F[a+100>>2];a=F[a+96>>2];x:{if((c|0)==(a|0)){break x}g=(c-a|0)/12|0;f=g>>>0<=1?1:g;l=f&1;c=0;if(g>>>0>=2){j=f&-2;g=0;while(1){e=L(c,12);f=e+b|0;o=F[f>>2];p=F[f+4>>2];e=a+e|0;F[e+8>>2]=F[f+8>>2];F[e>>2]=o;F[e+4>>2]=p;e=L(c|1,12);f=e+b|0;o=F[f>>2];p=F[f+4>>2];e=a+e|0;F[e+8>>2]=F[f+8>>2];F[e>>2]=o;F[e+4>>2]=p;c=c+2|0;g=g+2|0;if((j|0)!=(g|0)){continue}break}}if(!l){break x}g=L(c,12);c=g+b|0;f=F[c>>2];e=F[c+4>>2];a=a+g|0;F[a+8>>2]=F[c+8>>2];F[a>>2]=f;F[a+4>>2]=e}F[F[i+4>>2]+80>>2]=k-d>>2;e=1}c=e;if(b){ja(b)}if(!d){break d}F[h+20>>2]=d;ja(d)}Z=h+32|0;return c}function de(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,G=0,H=0,I=0,J=0,K=0,M=0,N=0,O=0,P=0;g=Z+-64|0;Z=g;F[a+8>>2]=e;y=a+32|0;f=F[y>>2];d=F[a+36>>2]-f>>2;a:{b:{if(d>>>0>>0){qa(y,e-d|0);F[g+56>>2]=0;F[g+60>>2]=0;F[g+48>>2]=0;F[g+52>>2]=0;F[g+40>>2]=0;F[g+44>>2]=0;F[g+32>>2]=0;F[g+36>>2]=0;F[g+24>>2]=0;F[g+28>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;F[g>>2]=0;break b}if(d>>>0>e>>>0){F[a+36>>2]=f+(e<<2)}F[g+56>>2]=0;F[g+60>>2]=0;F[g+48>>2]=0;F[g+52>>2]=0;F[g+40>>2]=0;F[g+44>>2]=0;F[g+32>>2]=0;F[g+36>>2]=0;F[g+24>>2]=0;F[g+28>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;F[g>>2]=0;d=0;if(!e){break a}}Fa(g+16|0,e,g);h=F[g+28>>2];d=F[g+32>>2]}F[g>>2]=0;d=d-h>>2;c:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break c}F[g+32>>2]=(e<<2)+h;break c}Fa(g+16|12,e-d|0,g)}F[g>>2]=0;f=F[g+40>>2];d=F[g+44>>2]-f>>2;d:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break d}F[g+44>>2]=f+(e<<2);break d}Fa(g+40|0,e-d|0,g)}F[g>>2]=0;f=F[g+52>>2];d=F[g+56>>2]-f>>2;e:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break e}F[g+56>>2]=f+(e<<2);break e}Fa(g+52|0,e-d|0,g)}f:{if(F[a+8>>2]<=0){break f}i=F[g+16>>2];j=F[a+32>>2];h=0;while(1){d=h<<2;f=F[d+i>>2];m=F[a+16>>2];g:{if((f|0)>(m|0)){F[d+j>>2]=m;break g}d=d+j|0;m=F[a+12>>2];if((m|0)>(f|0)){F[d>>2]=m;break g}F[d>>2]=f}h=h+1|0;d=F[a+8>>2];if((h|0)<(d|0)){continue}break}if((d|0)<=0){break f}d=0;while(1){i=d<<2;f=i+c|0;i=F[b+i>>2]+F[j+i>>2]|0;F[f>>2]=i;h:{if((i|0)>F[a+16>>2]){i=i-F[a+20>>2]|0}else{if((i|0)>=F[a+12>>2]){break h}i=i+F[a+20>>2]|0}F[f>>2]=i}d=d+1|0;if((d|0)>2]){continue}break}}H=F[a+52>>2];t=F[a+48>>2];z=ka(16);d=z;F[d>>2]=0;F[d+4>>2]=0;F[d+8>>2]=0;F[d+12>>2]=0;F[g+8>>2]=0;F[g>>2]=0;F[g+4>>2]=0;i:{if(e){if(e>>>0>=1073741824){break i}d=e<<2;r=ka(d);F[g>>2]=r;F[g+8>>2]=d+r;ma(r,0,d)}A=1;d=F[a+56>>2];B=F[d>>2];d=F[d+4>>2]-B|0;j:{if((d|0)<8){break j}w=d>>2;I=(w|0)<=2?2:w;J=w>>>0<=1?1:w;C=e&-2;D=e&1;K=e&-4;E=e&3;G=e-1|0;M=e<<2;N=e>>>0<4;A=0;m=1;while(1){k:{l:{m:{n:{if((m|0)!=(J|0)){o:{p:{f=F[(m<<2)+B>>2];if((f|0)==-1){break p}k=1;d=f+2|0;j=(f>>>0)%3|0;x=j?f-1|0:d;s=1<>2];O=n+(x>>>3&536870908)|0;i=0;P=(j|0)!=0|(d|0)!=-1;d=f;q:{while(1){r:{if(F[n+(d>>>3&536870908)>>2]>>>d&1){break r}j=F[F[F[t+64>>2]+12>>2]+(d<<2)>>2];if((j|0)==-1){break r}l=F[H>>2];h=F[t+28>>2];p=F[l+(F[h+(j<<2)>>2]<<2)>>2];if((p|0)>=(m|0)){break r}q=j+1|0;q=F[l+(F[h+(((q>>>0)%3|0?q:j-2|0)<<2)>>2]<<2)>>2];if((q|0)>=(m|0)){break r}h=F[l+(F[h+(j+((j>>>0)%3|0?-1:2)<<2)>>2]<<2)>>2];if((h|0)>=(m|0)){break r}s:{if(!e){break s}j=F[(g+16|0)+L(i,12)>>2];l=L(e,h);q=L(e,q);p=L(e,p);h=0;o=0;if(G){while(1){F[j+(h<<2)>>2]=(F[(h+l<<2)+c>>2]+F[(h+q<<2)+c>>2]|0)-F[(h+p<<2)+c>>2];u=h|1;F[j+(u<<2)>>2]=(F[(l+u<<2)+c>>2]+F[(q+u<<2)+c>>2]|0)-F[(p+u<<2)+c>>2];h=h+2|0;o=o+2|0;if((C|0)!=(o|0)){continue}break}}if(!D){break s}F[j+(h<<2)>>2]=(F[(h+l<<2)+c>>2]+F[(h+q<<2)+c>>2]|0)-F[(h+p<<2)+c>>2]}j=4;i=i+1|0;if((i|0)==4){break q}}t:{if(k&1){h=d-2|0;j=d+1|0;d=-1;j=(j>>>0)%3|0?j:h;if((j|0)==-1|F[n+(j>>>3&536870908)>>2]>>>j&1){break t}j=F[F[F[t+64>>2]+12>>2]+(j<<2)>>2];if((j|0)==-1){break t}d=j+1|0;d=(d>>>0)%3|0?d:j-2|0;break t}u:{if((d>>>0)%3|0){h=d-1|0;break u}h=d+2|0;d=-1;if((h|0)==-1){break t}}d=-1;if(F[n+(h>>>3&536870908)>>2]>>>h&1){break t}j=F[F[F[t+64>>2]+12>>2]+(h<<2)>>2];if((j|0)==-1){break t}if((j>>>0)%3|0){d=j-1|0;break t}d=j+2|0}v:{if((d|0)==(f|0)){break v}if((d|0)==-1&k){if(!P|s&F[O>>2]){break v}d=F[F[F[t+64>>2]+12>>2]+(x<<2)>>2];if((d|0)==-1){break v}k=0;d=(d>>>0)%3|0?d-1|0:d+2|0}if((d|0)!=-1){continue}}break}j=i;if((j|0)<=0){break p}}if(e){ma(r,0,M)}d=j-1|0;q=(d<<2)+z|0;d=L(d,12)+a|0;u=d;x=F[d- -64>>2];k=0;d=F[g>>2];f=0;while(1){i=F[q>>2];F[q>>2]=i+1;if(i>>>0>=x>>>0){break j}w:{if(F[F[u+60>>2]+(i>>>3&536870908)>>2]>>>i&1){break w}f=f+1|0;if(!e){break w}n=F[(g+16|0)+L(k,12)>>2];i=0;h=0;p=0;if(!N){while(1){l=h<<2;o=l+d|0;F[o>>2]=F[l+n>>2]+F[o>>2];o=l|4;s=o+d|0;F[s>>2]=F[n+o>>2]+F[s>>2];o=l|8;s=o+d|0;F[s>>2]=F[n+o>>2]+F[s>>2];l=l|12;o=l+d|0;F[o>>2]=F[l+n>>2]+F[o>>2];h=h+4|0;p=p+4|0;if((K|0)!=(p|0)){continue}break}}if(!E){break w}while(1){l=h<<2;p=l+d|0;F[p>>2]=F[l+n>>2]+F[p>>2];h=h+1|0;i=i+1|0;if((E|0)!=(i|0)){continue}break}}k=k+1|0;if((k|0)!=(j|0)){continue}break}i=L(e,m);if(!f){break o}if(!e){break l}h=0;d=0;if(G){break n}break m}i=L(e,m)}if(F[a+8>>2]<=0){break k}k=(L(m-1|0,e)<<2)+c|0;j=F[y>>2];h=0;while(1){d=h<<2;f=F[d+k>>2];n=F[a+16>>2];x:{if((f|0)>(n|0)){F[d+j>>2]=n;break x}d=d+j|0;n=F[a+12>>2];if((n|0)>(f|0)){F[d>>2]=n;break x}F[d>>2]=f}h=h+1|0;f=F[a+8>>2];if((h|0)<(f|0)){continue}break}d=0;if((f|0)<=0){break k}f=i<<2;h=f+c|0;k=b+f|0;while(1){i=d<<2;f=i+h|0;i=F[i+k>>2]+F[j+i>>2]|0;F[f>>2]=i;y:{if((i|0)>F[a+16>>2]){i=i-F[a+20>>2]|0}else{if((i|0)>=F[a+12>>2]){break y}i=i+F[a+20>>2]|0}F[f>>2]=i}d=d+1|0;if((d|0)>2]){continue}break}break k}ta();v()}while(1){j=h<<2;k=j+r|0;F[k>>2]=F[k>>2]/(f|0);j=(j|4)+r|0;F[j>>2]=F[j>>2]/(f|0);h=h+2|0;d=d+2|0;if((C|0)!=(d|0)){continue}break}}if(!D){break l}d=(h<<2)+r|0;F[d>>2]=F[d>>2]/(f|0)}if(F[a+8>>2]<=0){break k}j=F[y>>2];h=0;while(1){d=h<<2;f=F[d+r>>2];k=F[a+16>>2];z:{if((f|0)>(k|0)){F[d+j>>2]=k;break z}d=d+j|0;k=F[a+12>>2];if((k|0)>(f|0)){F[d>>2]=k;break z}F[d>>2]=f}h=h+1|0;f=F[a+8>>2];if((h|0)<(f|0)){continue}break}d=0;if((f|0)<=0){break k}f=i<<2;h=f+c|0;k=b+f|0;while(1){i=d<<2;f=i+h|0;i=F[i+k>>2]+F[j+i>>2]|0;F[f>>2]=i;A:{if((i|0)>F[a+16>>2]){i=i-F[a+20>>2]|0}else{if((i|0)>=F[a+12>>2]){break A}i=i+F[a+20>>2]|0}F[f>>2]=i}d=d+1|0;if((d|0)>2]){continue}break}}m=m+1|0;A=(w|0)<=(m|0);if((m|0)!=(I|0)){continue}break}}a=F[g>>2];if(a){ja(a)}ja(z);a=F[g+52>>2];if(a){F[g+56>>2]=a;ja(a)}a=F[g+40>>2];if(a){F[g+44>>2]=a;ja(a)}a=F[g+28>>2];if(a){F[g+32>>2]=a;ja(a)}a=F[g+16>>2];if(a){F[g+20>>2]=a;ja(a)}Z=g- -64|0;return A|0}na();v()}function $h(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,G=0,H=0,I=0,J=0,K=0,M=0,N=0;h=Z+-64|0;Z=h;F[a+8>>2]=e;x=a+32|0;f=F[x>>2];d=F[a+36>>2]-f>>2;a:{b:{if(d>>>0>>0){qa(x,e-d|0);F[h+56>>2]=0;F[h+60>>2]=0;F[h+48>>2]=0;F[h+52>>2]=0;F[h+40>>2]=0;F[h+44>>2]=0;F[h+32>>2]=0;F[h+36>>2]=0;F[h+24>>2]=0;F[h+28>>2]=0;F[h+16>>2]=0;F[h+20>>2]=0;F[h>>2]=0;break b}if(d>>>0>e>>>0){F[a+36>>2]=f+(e<<2)}F[h+56>>2]=0;F[h+60>>2]=0;F[h+48>>2]=0;F[h+52>>2]=0;F[h+40>>2]=0;F[h+44>>2]=0;F[h+32>>2]=0;F[h+36>>2]=0;F[h+24>>2]=0;F[h+28>>2]=0;F[h+16>>2]=0;F[h+20>>2]=0;F[h>>2]=0;d=0;if(!e){break a}}Fa(h+16|0,e,h);i=F[h+28>>2];d=F[h+32>>2]}F[h>>2]=0;d=d-i>>2;c:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break c}F[h+32>>2]=(e<<2)+i;break c}Fa(h+16|12,e-d|0,h)}F[h>>2]=0;f=F[h+40>>2];d=F[h+44>>2]-f>>2;d:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break d}F[h+44>>2]=f+(e<<2);break d}Fa(h+40|0,e-d|0,h)}F[h>>2]=0;f=F[h+52>>2];d=F[h+56>>2]-f>>2;e:{if(d>>>0>=e>>>0){if(d>>>0<=e>>>0){break e}F[h+56>>2]=f+(e<<2);break e}Fa(h+52|0,e-d|0,h)}f:{if(F[a+8>>2]<=0){break f}g=F[h+16>>2];j=F[a+32>>2];i=0;while(1){d=i<<2;f=F[d+g>>2];m=F[a+16>>2];g:{if((f|0)>(m|0)){F[d+j>>2]=m;break g}d=d+j|0;m=F[a+12>>2];if((m|0)>(f|0)){F[d>>2]=m;break g}F[d>>2]=f}i=i+1|0;d=F[a+8>>2];if((i|0)<(d|0)){continue}break}if((d|0)<=0){break f}d=0;while(1){g=d<<2;f=g+c|0;g=F[b+g>>2]+F[g+j>>2]|0;F[f>>2]=g;h:{if((g|0)>F[a+16>>2]){g=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break h}g=g+F[a+20>>2]|0}F[f>>2]=g}d=d+1|0;if((d|0)>2]){continue}break}}H=F[a+52>>2];A=F[a+48>>2];y=ka(16);d=y;F[d>>2]=0;F[d+4>>2]=0;F[d+8>>2]=0;F[d+12>>2]=0;F[h+8>>2]=0;F[h>>2]=0;F[h+4>>2]=0;i:{if(e){if(e>>>0>=1073741824){break i}d=e<<2;t=ka(d);F[h>>2]=t;F[h+8>>2]=d+t;ma(t,0,d)}z=1;d=F[a+56>>2];B=F[d>>2];d=F[d+4>>2]-B|0;j:{if((d|0)<8){break j}w=d>>2;I=(w|0)<=2?2:w;J=w>>>0<=1?1:w;C=e&-2;D=e&1;K=e&-4;E=e&3;G=e-1|0;M=e<<2;N=e>>>0<4;z=0;m=1;while(1){k:{l:{m:{n:{if((m|0)!=(J|0)){o:{p:{f=F[(m<<2)+B>>2];if((f|0)==-1){break p}n=F[A+12>>2];d=f+2|0;g=(f>>>0)%3|0;q=n+((g?f-1|0:d)<<2)|0;j=0;u=(g|0)!=0|(d|0)!=-1;k=1;d=f;q:{while(1){g=F[n+(d<<2)>>2];r:{if((g|0)==-1){break r}l=-1;p=F[H>>2];r=F[A>>2];i=p+(F[r+(g<<2)>>2]<<2)|0;o=g+1|0;o=(o>>>0)%3|0?o:g-2|0;if((o|0)!=-1){l=F[r+(o<<2)>>2]}o=F[i>>2];s:{t:{if((g>>>0)%3|0){i=g-1|0;break t}i=g+2|0;s=-1;if((i|0)==-1){break s}}s=F[r+(i<<2)>>2]}if((m|0)<=(o|0)){break r}i=F[p+(l<<2)>>2];if((i|0)>=(m|0)){break r}l=F[p+(s<<2)>>2];if((l|0)>=(m|0)){break r}g=F[(h+16|0)+L(j,12)>>2];u:{if(!e){break u}l=L(e,l);r=L(e,i);p=L(e,o);i=0;s=0;if(G){while(1){F[g+(i<<2)>>2]=(F[(i+l<<2)+c>>2]+F[(i+r<<2)+c>>2]|0)-F[(i+p<<2)+c>>2];o=i|1;F[g+(o<<2)>>2]=(F[(l+o<<2)+c>>2]+F[(o+r<<2)+c>>2]|0)-F[(o+p<<2)+c>>2];i=i+2|0;s=s+2|0;if((C|0)!=(s|0)){continue}break}}if(!D){break u}F[g+(i<<2)>>2]=(F[(i+l<<2)+c>>2]+F[(i+r<<2)+c>>2]|0)-F[(i+p<<2)+c>>2]}g=4;j=j+1|0;if((j|0)==4){break q}}v:{if(k&1){i=d+1|0;d=(i>>>0)%3|0?i:d-2|0;g=-1;if((d|0)==-1){break v}d=F[n+(d<<2)>>2];g=-1;if((d|0)==-1){break v}g=d+1|0;g=(g>>>0)%3|0?g:d-2|0;break v}w:{if((d>>>0)%3|0){i=d-1|0;break w}i=d+2|0;g=-1;if((i|0)==-1){break v}}d=F[n+(i<<2)>>2];g=-1;if((d|0)==-1){break v}g=d-1|0;if((d>>>0)%3|0){break v}g=d+2|0}d=g;x:{if((f|0)==(d|0)){break x}if((d|0)==-1&k){if(!u){break x}d=F[q>>2];if((d|0)==-1){break x}k=0;d=(d>>>0)%3|0?d-1|0:d+2|0}if((d|0)!=-1){continue}}break}g=j;if((g|0)<=0){break p}}if(e){ma(t,0,M)}d=g-1|0;r=(d<<2)+y|0;d=L(d,12)+a|0;o=d;s=F[d- -64>>2];k=0;d=F[h>>2];f=0;while(1){j=F[r>>2];F[r>>2]=j+1;if(j>>>0>=s>>>0){break j}y:{if(F[F[o+60>>2]+(j>>>3&536870908)>>2]>>>j&1){break y}f=f+1|0;if(!e){break y}j=F[(h+16|0)+L(k,12)>>2];l=0;i=0;p=0;if(!N){while(1){n=i<<2;q=n+d|0;F[q>>2]=F[j+n>>2]+F[q>>2];q=n|4;u=q+d|0;F[u>>2]=F[j+q>>2]+F[u>>2];q=n|8;u=q+d|0;F[u>>2]=F[j+q>>2]+F[u>>2];n=n|12;q=n+d|0;F[q>>2]=F[j+n>>2]+F[q>>2];i=i+4|0;p=p+4|0;if((K|0)!=(p|0)){continue}break}}if(!E){break y}while(1){n=i<<2;p=n+d|0;F[p>>2]=F[j+n>>2]+F[p>>2];i=i+1|0;l=l+1|0;if((E|0)!=(l|0)){continue}break}}k=k+1|0;if((k|0)!=(g|0)){continue}break}g=L(e,m);if(!f){break o}if(!e){break l}i=0;d=0;if(G){break n}break m}g=L(e,m)}if(F[a+8>>2]<=0){break k}k=(L(m-1|0,e)<<2)+c|0;j=F[x>>2];i=0;while(1){d=i<<2;f=F[d+k>>2];l=F[a+16>>2];z:{if((f|0)>(l|0)){F[d+j>>2]=l;break z}d=d+j|0;l=F[a+12>>2];if((l|0)>(f|0)){F[d>>2]=l;break z}F[d>>2]=f}i=i+1|0;f=F[a+8>>2];if((i|0)<(f|0)){continue}break}d=0;if((f|0)<=0){break k}f=g<<2;i=f+c|0;k=b+f|0;while(1){g=d<<2;f=g+i|0;g=F[g+k>>2]+F[g+j>>2]|0;F[f>>2]=g;A:{if((g|0)>F[a+16>>2]){g=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break A}g=g+F[a+20>>2]|0}F[f>>2]=g}d=d+1|0;if((d|0)>2]){continue}break}break k}ta();v()}while(1){j=i<<2;k=j+t|0;F[k>>2]=F[k>>2]/(f|0);j=(j|4)+t|0;F[j>>2]=F[j>>2]/(f|0);i=i+2|0;d=d+2|0;if((C|0)!=(d|0)){continue}break}}if(!D){break l}d=(i<<2)+t|0;F[d>>2]=F[d>>2]/(f|0)}if(F[a+8>>2]<=0){break k}j=F[x>>2];i=0;while(1){d=i<<2;f=F[d+t>>2];k=F[a+16>>2];B:{if((f|0)>(k|0)){F[d+j>>2]=k;break B}d=d+j|0;k=F[a+12>>2];if((k|0)>(f|0)){F[d>>2]=k;break B}F[d>>2]=f}i=i+1|0;f=F[a+8>>2];if((i|0)<(f|0)){continue}break}d=0;if((f|0)<=0){break k}f=g<<2;i=f+c|0;k=b+f|0;while(1){g=d<<2;f=g+i|0;g=F[g+k>>2]+F[g+j>>2]|0;F[f>>2]=g;C:{if((g|0)>F[a+16>>2]){g=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break C}g=g+F[a+20>>2]|0}F[f>>2]=g}d=d+1|0;if((d|0)>2]){continue}break}}m=m+1|0;z=(w|0)<=(m|0);if((m|0)!=(I|0)){continue}break}}a=F[h>>2];if(a){ja(a)}ja(y);a=F[h+52>>2];if(a){F[h+56>>2]=a;ja(a)}a=F[h+40>>2];if(a){F[h+44>>2]=a;ja(a)}a=F[h+28>>2];if(a){F[h+32>>2]=a;ja(a)}a=F[h+16>>2];if(a){F[h+20>>2]=a;ja(a)}Z=h- -64|0;return z|0}na();v()}function Yh(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,E=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,$=0,aa=0;a:{b:{if((e|0)!=2){break b}F[a+8>>2]=2;F[a- -64>>2]=f;M=a+32|0;e=F[M>>2];d=F[a+36>>2]-e|0;c:{if(d>>>0<=7){qa(M,2-(d>>>2|0)|0);break c}if((d|0)==8){break c}F[a+36>>2]=e+8}i=1;d=F[a+56>>2];d=F[d+4>>2]-F[d>>2]|0;if((d|0)<=0){break b}o=a+60|0;d=d>>>2|0;X=d>>>0<=1?1:d;Y=a+68|0;d=0;while(1){f=F[a+56>>2];e=F[f>>2];if(F[f+4>>2]-e>>2>>>0<=d>>>0){break a}k=Z-80|0;Z=k;f=-1;d:{e:{e=F[e+(d<<2)>>2];if((e|0)==-1){break e}i=F[o+32>>2];g=e+1|0;g=(g>>>0)%3|0?g:e-2|0;if((g|0)!=-1){f=F[F[i>>2]+(g<<2)>>2]}p=-1;e=e+((e>>>0)%3|0?-1:2)|0;if((e|0)!=-1){p=F[F[i>>2]+(e<<2)>>2]}i=F[o+36>>2];e=F[i>>2];i=F[i+4>>2]-e>>2;if(i>>>0<=f>>>0|i>>>0<=p>>>0){break e}f:{g:{h:{i:{j:{k:{j=F[e+(p<<2)>>2];f=F[e+(f<<2)>>2];if((j|0)>=(d|0)|(f|0)>=(d|0)){break k}i=(j<<3)+c|0;w=F[i+4>>2];g=(f<<3)+c|0;e=F[g+4>>2];l=F[i>>2];i=F[g>>2];if(!((l|0)!=(i|0)|(e|0)!=(w|0))){F[o+8>>2]=i;F[o+12>>2]=e;break j}p=F[F[o+4>>2]+(d<<2)>>2];F[k+72>>2]=0;F[k+76>>2]=0;g=k- -64|0;F[g>>2]=0;F[g+4>>2]=0;F[k+56>>2]=0;F[k+60>>2]=0;g=F[o>>2];if(!G[g+84|0]){p=F[F[g+68>>2]+(p<<2)>>2]}Ga(g,p,D[g+24|0],k+56|0);p=F[F[o+4>>2]+(f<<2)>>2];F[k+48>>2]=0;F[k+52>>2]=0;F[k+40>>2]=0;F[k+44>>2]=0;F[k+32>>2]=0;F[k+36>>2]=0;g=F[o>>2];if(!G[g+84|0]){p=F[F[g+68>>2]+(p<<2)>>2]}Ga(g,p,D[g+24|0],k+32|0);p=F[F[o+4>>2]+(j<<2)>>2];F[k+24>>2]=0;F[k+28>>2]=0;F[k+16>>2]=0;F[k+20>>2]=0;F[k+8>>2]=0;F[k+12>>2]=0;g=F[o>>2];if(!G[g+84|0]){p=F[F[g+68>>2]+(p<<2)>>2]}Ga(g,p,D[g+24|0],k+8|0);g=F[k+16>>2];n=F[k+40>>2];x=g-n|0;N=F[k+44>>2];g=F[k+20>>2]-(N+(g>>>0>>0)|0)|0;H=g;j=ki(x,g,x,g);q=_;g=F[k+8>>2];z=F[k+32>>2];A=g-z|0;O=F[k+36>>2];g=F[k+12>>2]-(O+(g>>>0>>0)|0)|0;I=g;h=j;j=ki(A,g,A,g);g=h+j|0;h=_+q|0;h=g>>>0>>0?h+1|0:h;j=F[k+24>>2];B=F[k+48>>2];C=j-B|0;P=F[k+52>>2];j=F[k+28>>2]-(P+(j>>>0>>0)|0)|0;J=j;m=g;g=ki(C,j,C,j);r=m+g|0;h=_+h|0;s=g>>>0>r>>>0?h+1|0:h;if(!(s|r)){break k}p=0;E=mi(-1,2147483647,r,s);f=i>>31;R=f;h=f>>31;Q=i;g=h;q=i^g;i=q-g|0;f=(f^g)-((g>>>0>q>>>0)+g|0)|0;g=f;f=e>>31;S=f;K=e;e=f>>31;q=K^e;m=q-e|0;h=f>>31;e=(h^f)-((e>>>0>q>>>0)+h|0)|0;f=(g|0)==(e|0)&i>>>0>m>>>0|e>>>0>>0;i=f?i:m;j=_;e=f?g:e;if((j|0)==(e|0)&i>>>0>E>>>0|e>>>0>j>>>0){break f}i=F[k+64>>2];T=F[k+68>>2];e=ki(i-n|0,T-((i>>>0>>0)+N|0)|0,x,H);f=_;g=F[k+56>>2];U=F[k+60>>2];j=ki(g-z|0,U-((g>>>0>>0)+O|0)|0,A,I);e=j+e|0;h=_+f|0;h=e>>>0>>0?h+1|0:h;f=e;m=F[k+72>>2];V=F[k+76>>2];e=ki(m-B|0,V-((m>>>0>>0)+P|0)|0,C,J);j=f+e|0;f=_+h|0;q=e>>>0>j>>>0?f+1|0:f;e=l;E=e-Q|0;e=(e>>31)-((e>>>0>>0)+R|0)|0;W=e;l=e>>31;y=l^E;f=y-l|0;h=e>>31;e=(h^e)-((l>>>0>y>>>0)+h|0)|0;h=e;y=w-K|0;e=(w>>31)-((w>>>0>>0)+S|0)|0;w=e;l=f;t=e>>31;u=t^y;L=u-t|0;f=e>>31;e=(f^e)-((t>>>0>u>>>0)+f|0)|0;f=(h|0)==(e|0)&l>>>0>L>>>0|e>>>0>>0;f=mi(-1,2147483647,f?l:L,f?h:e)>>>0>>0;e=_;if(f&(e|0)<=(q|0)|(e|0)<(q|0)){break f}e=I>>31;f=e;l=e^A;e=l-e|0;f=(f^I)-((f>>>0>l>>>0)+f|0)|0;h=H>>31;t=h^x;u=t-h|0;l=(h^H)-((h>>>0>t>>>0)+h|0)|0;h=(f|0)==(l|0)&e>>>0>u>>>0|f>>>0>l>>>0;e=h?e:u;f=h?f:l;h=J>>31;L=e;t=h^C;u=t-h|0;l=(h^J)-((h>>>0>t>>>0)+h|0)|0;e=(f|0)==(l|0)&e>>>0>u>>>0|f>>>0>l>>>0;f=mi(-1,2147483647,e?L:u,e?f:l)>>>0>>0;e=_;if(f&(e|0)<=(q|0)|(e|0)<(q|0)){break f}l=1;e=0;f=n;n=li(ki(j,q,x,H),_,r,s);f=f+n|0;h=_+N|0;h=f>>>0>>0?h+1|0:h;n=i-f|0;f=T-((f>>>0>i>>>0)+h|0)|0;n=ki(n,f,n,f);x=_;f=g;h=li(ki(j,q,A,I),_,r,s);i=h+z|0;g=_+O|0;g=h>>>0>i>>>0?g+1|0:g;h=f-i|0;f=U-((f>>>0>>0)+g|0)|0;g=ki(h,f,h,f);i=g+n|0;f=_+x|0;f=g>>>0>i>>>0?f+1|0:f;n=i;g=li(ki(j,q,C,J),_,r,s);i=g+B|0;h=_+P|0;h=g>>>0>i>>>0?h+1|0:h;g=m-i|0;i=V-((i>>>0>m>>>0)+h|0)|0;m=ki(g,i,g,i);i=m+n|0;g=_+f|0;f=ki(i,i>>>0>>0?g+1|0:g,r,s);i=_;m=i;if(!i&f>>>0<=1){break i}h=f;while(1){g=e<<1|l>>>31;l=l<<1;e=g;n=!i&h>>>0>7|(i|0)!=0;h=(i&3)<<30|h>>>2;i=i>>>2|0;if(n){continue}break}break h}if((d|0)>(f|0)){e=f<<1}else{if((d|0)<=0){F[o+8>>2]=0;F[o+12>>2]=0;break j}e=(d<<1)-2|0}e=(e<<2)+c|0;F[o+8>>2]=F[e>>2];F[o+12>>2]=F[e+4>>2]}p=1;break f}e=m;l=f;if(f-1|0){break g}}while(1){i=mi(f,m,l,e);h=e+_|0;e=i+l|0;h=e>>>0>>0?h+1|0:h;l=(h&1)<<31|e>>>1;e=h>>>1|0;i=ki(l,e,l,e);g=_;if((m|0)==(g|0)&f>>>0>>0|g>>>0>m>>>0){continue}break}}f=F[o+20>>2];if(!f){break f}g=f-1|0;h=F[F[o+16>>2]+(g>>>3&536870908)>>2];F[o+20>>2]=g;p=1;f=ki(j,q,y,w);i=_;n=ki(r,s,K,S);m=n+f|0;f=_+i|0;f=m>>>0>>0?f+1|0:f;i=ki(l,e,E,W);g=h>>>g&1;h=g?0-i|0:i;m=h+m|0;n=f;f=_;i=n+(g?0-(f+((i|0)!=0)|0)|0:f)|0;$=o,aa=li(m,h>>>0>m>>>0?i+1|0:i,r,s),F[$+12>>2]=aa;f=ki(j,q,E,W);i=_;j=ki(r,s,Q,R);f=j+f|0;h=_+i|0;e=ki(l,e,y,w);i=0-e|0;l=_;h=(f>>>0>>0?h+1|0:h)+(g?l:0-(((e|0)!=0)+l|0)|0)|0;i=g?e:i;f=i+f|0;$=o,aa=li(f,f>>>0>>0?h+1|0:h,r,s),F[$+8>>2]=aa}Z=k+80|0;e=p;break d}ta();v()}i=e;if(!e){return 0}l:{if(F[a+8>>2]<=0){break l}l=F[M>>2];e=0;while(1){f=e<<2;g=F[f+Y>>2];j=F[a+16>>2];m:{if((g|0)>(j|0)){F[f+l>>2]=j;break m}f=f+l|0;j=F[a+12>>2];if((j|0)>(g|0)){F[f>>2]=j;break m}F[f>>2]=g}e=e+1|0;g=F[a+8>>2];if((e|0)<(g|0)){continue}break}f=0;if((g|0)<=0){break l}e=d<<3;j=e+c|0;q=b+e|0;while(1){g=f<<2;e=g+j|0;g=F[g+q>>2]+F[g+l>>2]|0;F[e>>2]=g;n:{if((g|0)>F[a+16>>2]){g=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break n}g=g+F[a+20>>2]|0}F[e>>2]=g}f=f+1|0;if((f|0)>2]){continue}break}}d=d+1|0;if((X|0)!=(d|0)){continue}break}}return i|0}ta();v()}function hi(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,E=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,$=0,aa=0;a:{b:{if((e|0)!=2){break b}F[a+8>>2]=2;F[a- -64>>2]=f;M=a+32|0;e=F[M>>2];d=F[a+36>>2]-e|0;c:{if(d>>>0<=7){qa(M,2-(d>>>2|0)|0);break c}if((d|0)==8){break c}F[a+36>>2]=e+8}p=1;d=F[a+56>>2];d=F[d+4>>2]-F[d>>2]|0;if((d|0)<=0){break b}o=a+60|0;d=d>>>2|0;X=d>>>0<=1?1:d;Y=a+68|0;d=0;while(1){e=F[a+56>>2];h=F[e>>2];if(F[e+4>>2]-h>>2>>>0<=d>>>0){break a}k=Z-80|0;Z=k;f=-1;h=F[h+(d<<2)>>2];e=-1;d:{if((h|0)==-1){break d}e=h+1|0;f=(e>>>0)%3|0?e:h-2|0;e=h-1|0;if((h>>>0)%3|0){break d}e=h+2|0}g=F[o+36>>2];h=F[g>>2];e:{f:{g:{h:{i:{g=F[g+4>>2]-h>>2;i=f<<2;f=F[F[o+32>>2]+28>>2];j=F[i+f>>2];if(g>>>0<=j>>>0){break i}e=F[f+(e<<2)>>2];if(e>>>0>=g>>>0){break i}j:{k:{l=F[h+(e<<2)>>2];f=F[h+(j<<2)>>2];if((l|0)>=(d|0)|(f|0)>=(d|0)){break k}h=(l<<3)+c|0;w=F[h+4>>2];g=(f<<3)+c|0;e=F[g+4>>2];j=F[h>>2];h=F[g>>2];if(!((j|0)!=(h|0)|(e|0)!=(w|0))){F[o+8>>2]=h;F[o+12>>2]=e;break j}p=F[F[o+4>>2]+(d<<2)>>2];F[k+72>>2]=0;F[k+76>>2]=0;g=k- -64|0;F[g>>2]=0;F[g+4>>2]=0;F[k+56>>2]=0;F[k+60>>2]=0;g=F[o>>2];if(!G[g+84|0]){p=F[F[g+68>>2]+(p<<2)>>2]}Ga(g,p,D[g+24|0],k+56|0);p=F[F[o+4>>2]+(f<<2)>>2];F[k+48>>2]=0;F[k+52>>2]=0;F[k+40>>2]=0;F[k+44>>2]=0;F[k+32>>2]=0;F[k+36>>2]=0;g=F[o>>2];if(!G[g+84|0]){p=F[F[g+68>>2]+(p<<2)>>2]}Ga(g,p,D[g+24|0],k+32|0);p=F[F[o+4>>2]+(l<<2)>>2];F[k+24>>2]=0;F[k+28>>2]=0;F[k+16>>2]=0;F[k+20>>2]=0;F[k+8>>2]=0;F[k+12>>2]=0;g=F[o>>2];if(!G[g+84|0]){p=F[F[g+68>>2]+(p<<2)>>2]}Ga(g,p,D[g+24|0],k+8|0);g=F[k+16>>2];n=F[k+40>>2];x=g-n|0;N=F[k+44>>2];g=F[k+20>>2]-(N+(g>>>0>>0)|0)|0;H=g;l=ki(x,g,x,g);q=_;g=F[k+8>>2];z=F[k+32>>2];A=g-z|0;O=F[k+36>>2];g=F[k+12>>2]-(O+(g>>>0>>0)|0)|0;I=g;i=l;l=ki(A,g,A,g);g=i+l|0;i=_+q|0;i=g>>>0>>0?i+1|0:i;l=F[k+24>>2];B=F[k+48>>2];C=l-B|0;P=F[k+52>>2];l=F[k+28>>2]-(P+(l>>>0>>0)|0)|0;J=l;m=g;g=ki(C,l,C,l);r=m+g|0;i=_+i|0;s=g>>>0>r>>>0?i+1|0:i;if(!(s|r)){break k}p=0;E=mi(-1,2147483647,r,s);f=h>>31;R=f;i=f>>31;Q=h;g=i;q=h^g;h=q-g|0;f=(f^g)-((g>>>0>q>>>0)+g|0)|0;g=f;f=e>>31;S=f;K=e;e=f>>31;q=K^e;m=q-e|0;i=f>>31;e=(i^f)-((e>>>0>q>>>0)+i|0)|0;f=(g|0)==(e|0)&h>>>0>m>>>0|e>>>0>>0;h=f?h:m;l=_;e=f?g:e;if((l|0)==(e|0)&h>>>0>E>>>0|e>>>0>l>>>0){break e}h=F[k+64>>2];T=F[k+68>>2];e=ki(h-n|0,T-((h>>>0>>0)+N|0)|0,x,H);f=_;g=F[k+56>>2];U=F[k+60>>2];l=ki(g-z|0,U-((g>>>0>>0)+O|0)|0,A,I);e=l+e|0;i=_+f|0;i=e>>>0>>0?i+1|0:i;f=e;m=F[k+72>>2];V=F[k+76>>2];e=ki(m-B|0,V-((m>>>0>>0)+P|0)|0,C,J);l=f+e|0;f=_+i|0;q=e>>>0>l>>>0?f+1|0:f;e=j;E=e-Q|0;e=(e>>31)-((e>>>0>>0)+R|0)|0;W=e;j=e>>31;y=j^E;f=y-j|0;i=e>>31;e=(i^e)-((j>>>0>y>>>0)+i|0)|0;i=e;y=w-K|0;e=(w>>31)-((w>>>0>>0)+S|0)|0;w=e;j=f;t=e>>31;u=t^y;L=u-t|0;f=e>>31;e=(f^e)-((t>>>0>u>>>0)+f|0)|0;f=(i|0)==(e|0)&j>>>0>L>>>0|e>>>0>>0;f=mi(-1,2147483647,f?j:L,f?i:e)>>>0>>0;e=_;if(f&(e|0)<=(q|0)|(e|0)<(q|0)){break e}e=I>>31;f=e;j=e^A;e=j-e|0;f=(f^I)-((f>>>0>j>>>0)+f|0)|0;i=H>>31;t=i^x;u=t-i|0;j=(i^H)-((i>>>0>t>>>0)+i|0)|0;i=(f|0)==(j|0)&e>>>0>u>>>0|f>>>0>j>>>0;e=i?e:u;f=i?f:j;i=J>>31;L=e;t=i^C;u=t-i|0;j=(i^J)-((i>>>0>t>>>0)+i|0)|0;e=(f|0)==(j|0)&e>>>0>u>>>0|f>>>0>j>>>0;f=mi(-1,2147483647,e?L:u,e?f:j)>>>0>>0;e=_;if(f&(e|0)<=(q|0)|(e|0)<(q|0)){break e}j=1;e=0;f=n;n=li(ki(l,q,x,H),_,r,s);f=f+n|0;i=_+N|0;i=f>>>0>>0?i+1|0:i;n=h-f|0;f=T-((f>>>0>h>>>0)+i|0)|0;n=ki(n,f,n,f);x=_;f=g;i=li(ki(l,q,A,I),_,r,s);h=i+z|0;g=_+O|0;g=h>>>0>>0?g+1|0:g;i=f-h|0;f=U-((f>>>0>>0)+g|0)|0;g=ki(i,f,i,f);h=g+n|0;f=_+x|0;f=h>>>0>>0?f+1|0:f;n=h;g=li(ki(l,q,C,J),_,r,s);h=g+B|0;i=_+P|0;i=h>>>0>>0?i+1|0:i;g=m-h|0;h=V-((h>>>0>m>>>0)+i|0)|0;m=ki(g,h,g,h);h=m+n|0;g=_+f|0;f=ki(h,h>>>0>>0?g+1|0:g,r,s);h=_;m=h;if(!h&f>>>0<=1){break h}i=f;while(1){g=e<<1|j>>>31;j=j<<1;e=g;n=!h&i>>>0>7|(h|0)!=0;i=(h&3)<<30|i>>>2;h=h>>>2|0;if(n){continue}break}break g}if((d|0)>(f|0)){e=f<<1}else{if((d|0)<=0){F[o+8>>2]=0;F[o+12>>2]=0;break j}e=(d<<1)-2|0}e=(e<<2)+c|0;F[o+8>>2]=F[e>>2];F[o+12>>2]=F[e+4>>2]}p=1;break e}ta();v()}e=m;j=f;if(f-1|0){break f}}while(1){h=mi(f,m,j,e);i=e+_|0;e=h+j|0;i=e>>>0>>0?i+1|0:i;j=(i&1)<<31|e>>>1;e=i>>>1|0;h=ki(j,e,j,e);g=_;if((m|0)==(g|0)&f>>>0>>0|g>>>0>m>>>0){continue}break}}f=F[o+20>>2];if(!f){break e}g=f-1|0;i=F[F[o+16>>2]+(g>>>3&536870908)>>2];F[o+20>>2]=g;p=1;f=ki(l,q,y,w);h=_;n=ki(r,s,K,S);m=n+f|0;f=_+h|0;f=m>>>0>>0?f+1|0:f;h=ki(j,e,E,W);g=i>>>g&1;i=g?0-h|0:h;m=i+m|0;n=f;f=_;h=n+(g?0-(f+((h|0)!=0)|0)|0:f)|0;$=o,aa=li(m,i>>>0>m>>>0?h+1|0:h,r,s),F[$+12>>2]=aa;f=ki(l,q,E,W);h=_;l=ki(r,s,Q,R);f=l+f|0;i=_+h|0;e=ki(j,e,y,w);h=0-e|0;j=_;i=(f>>>0>>0?i+1|0:i)+(g?j:0-(((e|0)!=0)+j|0)|0)|0;h=g?e:h;f=h+f|0;$=o,aa=li(f,f>>>0>>0?i+1|0:i,r,s),F[$+8>>2]=aa}Z=k+80|0;if(!p){return 0}l:{if(F[a+8>>2]<=0){break l}g=F[M>>2];e=0;while(1){f=e<<2;h=F[f+Y>>2];j=F[a+16>>2];m:{if((h|0)>(j|0)){F[f+g>>2]=j;break m}f=f+g|0;j=F[a+12>>2];if((j|0)>(h|0)){F[f>>2]=j;break m}F[f>>2]=h}e=e+1|0;h=F[a+8>>2];if((e|0)<(h|0)){continue}break}f=0;if((h|0)<=0){break l}e=d<<3;j=e+c|0;l=b+e|0;while(1){h=f<<2;e=h+j|0;h=F[h+l>>2]+F[h+g>>2]|0;F[e>>2]=h;n:{if((h|0)>F[a+16>>2]){i=h-F[a+20>>2]|0}else{if((h|0)>=F[a+12>>2]){break n}i=h+F[a+20>>2]|0}F[e>>2]=i}f=f+1|0;if((f|0)>2]){continue}break}}d=d+1|0;if((X|0)!=(d|0)){continue}break}}return p|0}ta();v()}function Gd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;n=Z-96|0;Z=n;m=F[a+4>>2];d=F[m+32>>2];j=F[d+8>>2];i=F[d+12>>2];e=i;c=F[d+20>>2];f=F[d+16>>2];a:{if((e|0)<=(c|0)&f>>>0>=j>>>0|(c|0)>(e|0)){break a}o=F[d>>2];h=G[o+f|0];g=f+1|0;e=g?c:c+1|0;F[d+16>>2]=g;F[d+20>>2]=e;if((e|0)>=(i|0)&g>>>0>=j>>>0|(e|0)>(i|0)){break a}p=G[g+o|0];g=f+2|0;e=g>>>0<2?c+1|0:c;F[d+16>>2]=g;F[d+20>>2]=e;l=h<<24>>24;b:{if((l|0)>=0){k=F[a+216>>2];if(h>>>0>=(F[a+220>>2]-k|0)/144>>>0){break a}k=k+L(h,144)|0;if(F[k>>2]<0){break b}break a}if(F[a+212>>2]>=0){break a}k=a+212|0}F[k>>2]=b;c:{d:{e:{f:{g:{h:{k=H[m+36>>1];i:{if(((k<<8|k>>>8)&65535)>>>0>=258){if((e|0)>=(i|0)&g>>>0>=j>>>0|(e|0)>(i|0)){break a}e=G[g+o|0];f=f+3|0;c=f>>>0<3?c+1|0:c;F[d+16>>2]=f;F[d+20>>2]=c;if(e>>>0>1){break a}d=e>>>0<2?e:0;if(!p){break i}if(!d){break h}break a}if(p){break g}d=0}if((l|0)<0){e=a+184|0}else{c=F[a+216>>2]+L(h,144)|0;D[c+100|0]=0;e=c+104|0}if((d|0)!=1){break e}c=Z-112|0;Z=c;g=F[F[a+4>>2]+44>>2];d=ka(120);F[d>>2]=8924;F[d+4>>2]=0;F[d+116>>2]=0;F[d+112>>2]=e;F[d+108>>2]=g;F[d+12>>2]=0;F[d+16>>2]=0;F[d+20>>2]=0;F[d+24>>2]=0;F[d+28>>2]=0;F[d+32>>2]=0;F[d+36>>2]=0;F[d+40>>2]=0;F[d+44>>2]=0;F[d+48>>2]=0;F[d+52>>2]=0;F[d+56>>2]=0;F[d+60>>2]=0;F[d+8>>2]=9136;f=d- -64|0;F[f>>2]=0;F[f+4>>2]=0;F[d+72>>2]=0;F[d+76>>2]=0;F[d+80>>2]=0;F[d+84>>2]=0;F[d+88>>2]=0;F[d+104>>2]=0;F[d+96>>2]=0;F[d+100>>2]=0;f=F[a+8>>2];F[c+48>>2]=0;F[c+52>>2]=0;F[c+40>>2]=0;F[c+44>>2]=0;j=c+32|0;F[j>>2]=0;F[j+4>>2]=0;F[c+24>>2]=0;F[c+28>>2]=0;h=c- -64|0;F[h>>2]=0;F[h+4>>2]=0;F[c+72>>2]=0;F[c+76>>2]=0;F[c+80>>2]=0;F[c+84>>2]=0;F[c+88>>2]=0;F[c+104>>2]=0;F[c+16>>2]=0;F[c+20>>2]=0;F[c+56>>2]=0;F[c+60>>2]=0;F[c+8>>2]=9136;F[c+96>>2]=0;F[c+100>>2]=0;F[c+12>>2]=f;h=F[f>>2];i=F[f+4>>2];D[c+111|0]=0;k=j;j=c+111|0;Ea(k,(i-h>>2>>>0)/3|0,j);h=F[c+12>>2];i=F[h+28>>2];h=F[h+24>>2];D[c+111|0]=0;Ea(c+44|0,i-h>>2,j);F[c+28>>2]=d;F[c+24>>2]=g;F[c+20>>2]=e;F[c+16>>2]=f;f=d+8|0;e=c+8|0;lc(f,e);j:{if((e|0)==(f|0)){F[d+92>>2]=F[e+84>>2];break j}gb(d+56|0,F[e+48>>2],F[e+52>>2]);gb(d+68|0,F[e+60>>2],F[e- -64>>2]);gb(d+80|0,F[e+72>>2],F[e+76>>2]);F[d+92>>2]=F[e+84>>2];k:{h=F[e+92>>2];j=F[e+88>>2];i=h-j|0;e=i>>2;f=F[d+104>>2];g=F[d+96>>2];if(e>>>0<=f-g>>2>>>0){i=F[d+100>>2]-g|0;f=i+j|0;m=i>>2;i=e>>>0>m>>>0?f:h;l=i-j|0;if((i|0)!=(j|0)){pa(g,j,l)}if(e>>>0>m>>>0){e=F[d+100>>2];if((h|0)!=(i|0)){while(1){F[e>>2]=F[f>>2];e=e+4|0;f=f+4|0;if((h|0)!=(f|0)){continue}break}}F[d+100>>2]=e;break k}F[d+100>>2]=g+l;break k}if(g){F[d+100>>2]=g;ja(g);F[d+104>>2]=0;F[d+96>>2]=0;F[d+100>>2]=0;f=0}l:{if((i|0)<0){break l}g=f>>>1|0;e=f>>>0>=2147483644?1073741823:e>>>0>>0?g:e;if(e>>>0>=1073741824){break l}f=e<<2;e=ka(f);F[d+96>>2]=e;F[d+104>>2]=e+f;if((h|0)!=(j|0)){f=e;e=(i-4&-4)+4|0;e=la(f,j,e)+e|0}F[d+100>>2]=e;break k}na();v()}}F[c+8>>2]=9136;e=F[c+96>>2];if(e){F[c+100>>2]=e;ja(e)}e=F[c+80>>2];if(e){F[c+84>>2]=e;ja(e)}e=F[c+68>>2];if(e){F[c+72>>2]=e;ja(e)}e=F[c+56>>2];if(e){F[c+60>>2]=e;ja(e)}F[c+8>>2]=9372;e=F[c+44>>2];if(e){ja(e)}e=F[c+32>>2];if(e){ja(e)}Z=c+112|0;break d}if((l|0)>=0){break f}break a}if((l|0)<0){break a}}e=F[a+216>>2];c=F[m+44>>2];d=ka(80);F[d>>2]=9684;F[d+4>>2]=0;F[d+76>>2]=0;F[d+68>>2]=c;F[d+8>>2]=8624;F[d+12>>2]=0;F[d+16>>2]=0;F[d+20>>2]=0;F[d+24>>2]=0;F[d+28>>2]=0;F[d+32>>2]=0;F[d+36>>2]=0;F[d+40>>2]=0;F[d+44>>2]=0;F[d+48>>2]=0;F[d+52>>2]=0;e=e+L(h,144)|0;f=e+104|0;F[d+72>>2]=f;F[d- -64>>2]=0;F[d+56>>2]=0;F[d+60>>2]=0;F[n+24>>2]=c;c=n;F[c+68>>2]=0;F[c+72>>2]=0;F[c+60>>2]=0;F[c+64>>2]=0;F[c+52>>2]=0;F[c+56>>2]=0;F[c+44>>2]=0;F[c+48>>2]=0;F[c+84>>2]=0;F[c+88>>2]=0;F[c+76>>2]=0;F[c+80>>2]=0;F[c+28>>2]=d;g=F[c+28>>2];F[c+8>>2]=F[c+24>>2];F[c+12>>2]=g;F[c+20>>2]=f;f=e+4|0;F[c+16>>2]=f;F[c+36>>2]=0;F[c+40>>2]=0;F[c+32>>2]=8624;e=F[c+20>>2];F[c>>2]=F[c+16>>2];F[c+4>>2]=e;e=c+32|0;Fd(e,f,c);c=d+8|0;lc(c,e);if((c|0)!=(e|0)){gb(d+56|0,F[e+48>>2],F[e+52>>2])}Ed(e);break c}c=Z+-64|0;Z=c;g=F[F[a+4>>2]+44>>2];d=ka(80);F[d>>2]=9392;F[d+4>>2]=0;F[d+76>>2]=0;F[d+72>>2]=e;F[d+68>>2]=g;F[d+8>>2]=9556;F[d+12>>2]=0;F[d+16>>2]=0;F[d+20>>2]=0;F[d+24>>2]=0;F[d+28>>2]=0;F[d+32>>2]=0;F[d+36>>2]=0;F[d+40>>2]=0;F[d+44>>2]=0;F[d+48>>2]=0;F[d+52>>2]=0;F[d- -64>>2]=0;j=d+56|0;f=j;F[f>>2]=0;F[f+4>>2]=0;f=F[a+8>>2];F[c+40>>2]=0;F[c+44>>2]=0;F[c+32>>2]=0;F[c+36>>2]=0;h=c+24|0;F[h>>2]=0;F[h+4>>2]=0;F[c+16>>2]=0;F[c+20>>2]=0;F[c+56>>2]=0;F[c+8>>2]=0;F[c+12>>2]=0;F[c+48>>2]=0;F[c+52>>2]=0;F[c>>2]=9556;F[c+4>>2]=f;i=F[f>>2];l=F[f+4>>2];D[c+63|0]=0;k=h;h=c+63|0;Ea(k,(l-i>>2>>>0)/3|0,h);i=F[c+4>>2];l=F[i+28>>2];i=F[i+24>>2];D[c+63|0]=0;Ea(c+36|0,l-i>>2,h);F[c+20>>2]=d;F[c+16>>2]=g;F[c+12>>2]=e;F[c+8>>2]=f;lc(d+8|0,c);gb(j,F[c+48>>2],F[c+52>>2]);F[c>>2]=9556;e=F[c+48>>2];if(e){F[c+52>>2]=e;ja(e)}F[c>>2]=9372;e=F[c+36>>2];if(e){ja(e)}e=F[c+24>>2];if(e){ja(e)}Z=c- -64|0}if(!d){break a}}d=yc(ka(64),d);c=F[a+4>>2];a=d;d=b;m:{n:{if((d|0)>=0){g=c+8|0;b=F[c+12>>2];j=F[c+8>>2];e=b-j>>2;o:{if((e|0)>(d|0)){break o}f=d+1|0;if(d>>>0>=e>>>0){Pb(g,f-e|0);break o}if(e>>>0<=f>>>0){break o}f=j+(f<<2)|0;if((f|0)!=(b|0)){while(1){b=b-4|0;e=F[b>>2];F[b>>2]=0;if(e){$[F[F[e>>2]+4>>2]](e)}if((b|0)!=(f|0)){continue}break}}F[c+12>>2]=f}c=F[g>>2]+(d<<2)|0;b=F[c>>2];F[c>>2]=a;if(b){break n}break m}b=a;if(!a){break m}}$[F[F[b>>2]+4>>2]](b)}q=(d^-1)>>>31|0}Z=n+96|0;return q|0}function Ab(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=M(0),n=M(0),o=0;a:{b:{if(!d){break b}c:{switch(F[a+28>>2]-1|0){case 0:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}E[(g<<1)+d>>1]=D[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}E[(g<<1)+d>>1]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}E[(g<<1)+d>>1]=H[b>>1];b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){return 0}e=E[b>>1];if((e|0)<0){break b}E[(g<<1)+d>>1]=e;b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=F[b>>2];if(e+32768>>>0>65535){break b}E[(g<<1)+d>>1]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=F[b>>2];if(e>>>0>32767){break b}E[(g<<1)+d>>1]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;k=F[e+4>>2];while(1){if(b>>>0>=k>>>0){break b}h=F[b+4>>2];e=F[b>>2];i=e+32768|0;h=i>>>0<32768?h+1|0:h;if(!h&i>>>0>65535|h){break b}E[(g<<1)+d>>1]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}k=F[b+4>>2];e=F[b>>2];if(!k&e>>>0>32767|k){break b}E[(g<<1)+d>>1]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 8:d:{e:{e=G[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break e}e=F[a>>2];j=F[e>>2];g=j;f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=F[e+4>>2];e=f-j|0;if(!G[a+32|0]){j=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=J[g>>2];if(m>=M(32767)|m>1]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}j=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=J[g>>2];if(m>=M(32767)|mM(1)){break d}e=(b<<1)+d|0;l=R(+m*32767+.5);f:{if(N(l)<2147483648){i=~~l;break f}i=-2147483648}E[e>>1]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}j=1;if(c>>>0<=e>>>0){break d}ma((e<<1)+d|0,0,c-e<<1)}return j;case 9:g:{h:{e=G[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break h}e=F[a>>2];j=F[e>>2];g=j;f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=F[e+4>>2];e=f-j|0;if(!G[a+32|0]){j=0;if((b|0)>=(e|0)){break g}b=0;while(1){l=K[g>>3];if(l>=32767|l<-32768|l!=l){break g}o=N(l);if(o==Infinity){break g}e=(b<<1)+d|0;if(o<2147483648){i=~~l}else{i=-2147483648}E[e>>1]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}j=0;if((b|0)>=(e|0)){break g}b=0;while(1){l=K[g>>3];if(l>=32767|l<-32768|(N(l)==Infinity|l!=l)){break g}if(l<0|l>1){break g}e=(b<<1)+d|0;l=R(l*32767+.5);i:{if(N(l)<2147483648){i=~~l;break i}i=-2147483648}E[e>>1]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}j=1;if(c>>>0<=e>>>0){break g}ma((e<<1)+d|0,0,c-e<<1)}return j;case 10:break c;default:break b}}e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}E[(g<<1)+d>>1]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}ma((e<<1)+d|0,0,(c&255)-e<<1)}return j}ma((e<<1)+d|0,0,(c&255)-e<<1);return 1}function yb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=M(0),n=M(0),o=0;a:{b:{if(!d){break b}c:{switch(F[a+28>>2]-1|0){case 0:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=D[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=E[b>>1];b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=H[b>>1];b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=F[b>>2];b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){return 0}e=F[b>>2];if((e|0)<0){break b}F[(g<<2)+d>>2]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;k=F[e+4>>2];while(1){if(b>>>0>=k>>>0){break b}h=F[b+4>>2];e=F[b>>2];if(e- -2147483648>>>0<2147483648?h+1|0:h){break b}F[(g<<2)+d>>2]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}k=F[b+4>>2];e=F[b>>2];if(!k&e>>>0>2147483647|k){break b}F[(g<<2)+d>>2]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}break a;case 8:d:{e:{e=G[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break e}e=F[a>>2];j=F[e>>2];g=j;f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=F[e+4>>2];e=f-j|0;if(!G[a+32|0]){j=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=J[g>>2];if(m>=M(2147483648)|m>2]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}j=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=J[g>>2];if(m>=M(2147483648)|mM(1)){break d}e=(b<<2)+d|0;l=R(+m*2147483647+.5);f:{if(N(l)<2147483648){i=~~l;break f}i=-2147483648}F[e>>2]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}j=1;if(c>>>0<=e>>>0){break d}ma((e<<2)+d|0,0,c-e<<2)}return j;case 9:g:{h:{e=G[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break h}e=F[a>>2];j=F[e>>2];g=j;f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=F[e+4>>2];e=f-j|0;if(!G[a+32|0]){j=0;if((b|0)>=(e|0)){break g}b=0;while(1){l=K[g>>3];if(l>=2147483647|l<-2147483648|l!=l){break g}o=N(l);if(o==Infinity){break g}e=(b<<2)+d|0;if(o<2147483648){i=~~l}else{i=-2147483648}F[e>>2]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}j=0;if((b|0)>=(e|0)){break g}b=0;while(1){l=K[g>>3];if(l>=2147483647|l<-2147483648|(N(l)==Infinity|l!=l)){break g}if(l<0|l>1){break g}e=(b<<2)+d|0;l=R(l*2147483647+.5);i:{if(N(l)<2147483648){i=~~l;break i}i=-2147483648}F[e>>2]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}j=1;if(c>>>0<=e>>>0){break g}ma((e<<2)+d|0,0,c-e<<2)}return j;case 10:break c;default:break b}}e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}j=1;if(e>>>0>=f>>>0){break b}ma((e<<2)+d|0,0,(c&255)-e<<2)}return j}ma((e<<2)+d|0,0,(c&255)-e<<2);return 1}function zb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=M(0);a:{b:{if(!d){break b}c:{switch(F[a+28>>2]-1|0){case 0:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){return 0}e=D[b|0];if((e|0)<0){break b}E[(g<<1)+d>>1]=e&255;b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}E[(g<<1)+d>>1]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){return 0}e=E[b>>1];if((e|0)<0){break b}E[(g<<1)+d>>1]=e;b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}E[(g<<1)+d>>1]=H[b>>1];b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=F[b>>2];if(e>>>0>65535){break b}E[(g<<1)+d>>1]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=F[b>>2];if(e>>>0>65535){break b}E[(g<<1)+d>>1]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}k=F[b+4>>2];e=F[b>>2];if(!k&e>>>0>65535|k){break b}E[(g<<1)+d>>1]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}k=F[b+4>>2];e=F[b>>2];if(!k&e>>>0>65535|k){break b}E[(g<<1)+d>>1]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}break a;case 8:d:{e:{e=G[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break e}e=F[a>>2];l=F[e>>2];g=l;f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=F[e+4>>2];e=f-l|0;if(!G[a+32|0]){l=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=J[g>>2];if(m>=M(65535)|m=M(0)){i=~~m>>>0}else{i=0}E[e>>1]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}l=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=J[g>>2];if(m>=M(65535)|mM(1)){break d}e=(b<<1)+d|0;j=R(+m*65535+.5);f:{if(j<4294967296&j>=0){i=~~j>>>0;break f}i=0}E[e>>1]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}l=1;if(c>>>0<=e>>>0){break d}ma((e<<1)+d|0,0,c-e<<1)}return l;case 9:g:{h:{e=G[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break h}e=F[a>>2];l=F[e>>2];g=l;f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=F[e+4>>2];e=f-l|0;if(!G[a+32|0]){l=0;if((b|0)>=(e|0)){break g}b=0;while(1){j=K[g>>3];if(j>=65535|j<0|(N(j)==Infinity|j!=j)){break g}e=(b<<1)+d|0;if(j<4294967296&j>=0){i=~~j>>>0}else{i=0}E[e>>1]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}l=0;if((b|0)>=(e|0)){break g}b=0;while(1){j=K[g>>3];if(j>=65535|j<0|(N(j)==Infinity|j!=j)){break g}if(j>1){break g}e=(b<<1)+d|0;j=R(j*65535+.5);i:{if(j<4294967296&j>=0){i=~~j>>>0;break i}i=0}E[e>>1]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}l=1;if(c>>>0<=e>>>0){break g}ma((e<<1)+d|0,0,c-e<<1)}return l;case 10:break c;default:break b}}e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];k=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+k|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}E[(g<<1)+d>>1]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break b}ma((e<<1)+d|0,0,(c&255)-e<<1)}return l}ma((e<<1)+d|0,0,(c&255)-e<<1);return 1}function Ga(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=M(0),l=0,m=0,n=M(0),o=0;a:{if(!d){break a}b:{c:{switch(F[a+28>>2]-1|0){case 0:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;i=D[b|0];F[e>>2]=i;F[e+4>>2]=i>>31;b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 1:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;F[e>>2]=G[b|0];F[e+4>>2]=0;b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 2:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;i=E[b>>1];F[e>>2]=i;F[e+4>>2]=i>>31;b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 3:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;F[e>>2]=H[b>>1];F[e+4>>2]=0;b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 4:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;i=F[b>>2];F[e>>2]=i;F[e+4>>2]=i>>31;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 5:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;F[e>>2]=F[b>>2];F[e+4>>2]=0;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 6:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}i=F[b+4>>2];e=(g<<3)+d|0;F[e>>2]=F[b>>2];F[e+4>>2]=i;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 7:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=F[b>>2];i=F[b+4>>2];if((i|0)<0){break a}j=(g<<3)+d|0;F[j>>2]=e;F[j+4>>2]=i;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 8:d:{e=G[a+24|0];f=c&255;if(!(e>>>0>>0?e:f)){break d}if(G[a+32|0]){break a}e=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+e|0;e=F[a>>2];i=F[e+4>>2];e=F[e>>2];if((b|0)>=(i-e|0)){break a}g=b+e|0;h=c&255;b=0;while(1){k=J[g>>2];if(k>=M(0x8000000000000000)|k=M(1)?~~(k>M(0)?M(P(M(R(M(k*M(2.3283064365386963e-10)))),M(4294967296))):M(S(M(M(k-M(~~k>>>0>>>0))*M(2.3283064365386963e-10)))))>>>0:0;m=~~k>>>0;break e}j=-2147483648;m=0}F[e>>2]=m;F[e+4>>2]=j;b=b+1|0;e=G[a+24|0];if(b>>>0>=(e>>>0>>0?e:h)>>>0){break d}g=g+4|0;if(i>>>0>g>>>0){continue}break}break a}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 9:f:{e=G[a+24|0];f=c&255;if(!(e>>>0>>0?e:f)){break f}if(G[a+32|0]){break a}e=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+e|0;e=F[a>>2];i=F[e+4>>2];e=F[e>>2];if((b|0)>=(i-e|0)){break a}g=b+e|0;h=c&255;b=0;while(1){l=K[g>>3];if(l>=0x8000000000000000|l<-0x8000000000000000|l!=l){break a}o=N(l);if(o==Infinity){break a}e=(b<<3)+d|0;g:{if(o<0x8000000000000000){j=N(l)>=1?~~(l>0?P(R(l*2.3283064365386963e-10),4294967295):S((l-+(~~l>>>0>>>0))*2.3283064365386963e-10))>>>0:0;m=~~l>>>0;break g}j=-2147483648;m=0}F[e>>2]=m;F[e+4>>2]=j;b=b+1|0;e=G[a+24|0];if(b>>>0>=(e>>>0>>0?e:h)>>>0){break f}g=g+8|0;if(i>>>0>g>>>0){continue}break}break a}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0;break b;case 10:break c;default:break a}}e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);j=b;b=b+i|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break a}e=(g<<3)+d|0;F[e>>2]=G[b|0];F[e+4>>2]=0;b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}if(e>>>0>=f>>>0){break a}d=(e<<3)+d|0;a=(c&255)-e|0}ma(d,0,a<<3)}}function le(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;j=a;a:{b:{c:{d:{e:{f:{g:{h:{a=F[a+8>>2];switch(F[a+28>>2]-1|0){case 4:break c;case 5:break d;case 2:break e;case 3:break f;case 0:break g;case 1:break h;default:break a}}f=G[a+24|0];c=ka(f);a=F[j+16>>2];if(F[a+80>>2]){g=F[F[a>>2]>>2]+F[a+48>>2]|0}else{g=0}if(!b){break b}if(f){o=f&252;l=f&3;h=f>>>0<4;while(1){a=0;e=0;if(!h){while(1){k=g+(d<<2)|0;D[a+c|0]=F[k>>2];D[(a|1)+c|0]=F[k+4>>2];D[(a|2)+c|0]=F[k+8>>2];D[(a|3)+c|0]=F[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){D[a+c|0]=F[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}la(F[F[F[j+8>>2]+64>>2]>>2]+m|0,c,f);m=f+m|0;n=n+1|0;if((n|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,f);a=a+f|0;la(a+F[F[F[j+8>>2]+64>>2]>>2]|0,c,f);a=a+f|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,f);break b}f=G[a+24|0];c=ka(f);a=F[j+16>>2];if(F[a+80>>2]){g=F[F[a>>2]>>2]+F[a+48>>2]|0}else{g=0}if(!b){break b}if(f){o=f&252;l=f&3;h=f>>>0<4;while(1){a=0;e=0;if(!h){while(1){k=g+(d<<2)|0;D[a+c|0]=F[k>>2];D[(a|1)+c|0]=F[k+4>>2];D[(a|2)+c|0]=F[k+8>>2];D[(a|3)+c|0]=F[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){D[a+c|0]=F[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}la(F[F[F[j+8>>2]+64>>2]>>2]+m|0,c,f);m=f+m|0;n=n+1|0;if((n|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,f);a=a+f|0;la(a+F[F[F[j+8>>2]+64>>2]>>2]|0,c,f);a=a+f|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,f);break b}h=G[a+24|0];i=h<<1;c=ka(i);a=F[j+16>>2];if(F[a+80>>2]){g=F[F[a>>2]>>2]+F[a+48>>2]|0}else{g=0}if(!b){break b}if(h){o=h&252;l=h&3;h=h>>>0<4;while(1){a=0;e=0;if(!h){while(1){f=a<<1;k=g+(d<<2)|0;E[f+c>>1]=F[k>>2];E[(f|2)+c>>1]=F[k+4>>2];E[(f|4)+c>>1]=F[k+8>>2];E[(f|6)+c>>1]=F[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){E[(a<<1)+c>>1]=F[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}la(F[F[F[j+8>>2]+64>>2]>>2]+n|0,c,i);n=i+n|0;m=m+1|0;if((m|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,i);a=a+i|0;la(a+F[F[F[j+8>>2]+64>>2]>>2]|0,c,i);a=a+i|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,i);break b}h=G[a+24|0];i=h<<1;c=ka(i);a=F[j+16>>2];if(F[a+80>>2]){g=F[F[a>>2]>>2]+F[a+48>>2]|0}else{g=0}if(!b){break b}if(h){o=h&252;l=h&3;h=h>>>0<4;while(1){a=0;e=0;if(!h){while(1){f=a<<1;k=g+(d<<2)|0;E[f+c>>1]=F[k>>2];E[(f|2)+c>>1]=F[k+4>>2];E[(f|4)+c>>1]=F[k+8>>2];E[(f|6)+c>>1]=F[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){E[(a<<1)+c>>1]=F[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}la(F[F[F[j+8>>2]+64>>2]>>2]+n|0,c,i);n=i+n|0;m=m+1|0;if((m|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,i);a=a+i|0;la(a+F[F[F[j+8>>2]+64>>2]>>2]|0,c,i);a=a+i|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,i);break b}h=G[a+24|0];i=h<<2;c=ka(i);a=F[j+16>>2];if(F[a+80>>2]){g=F[F[a>>2]>>2]+F[a+48>>2]|0}else{g=0}if(!b){break b}if(h){o=h&252;l=h&3;h=h>>>0<4;while(1){a=0;e=0;if(!h){while(1){f=a<<2;k=g+(d<<2)|0;F[f+c>>2]=F[k>>2];F[(f|4)+c>>2]=F[k+4>>2];F[(f|8)+c>>2]=F[k+8>>2];F[(f|12)+c>>2]=F[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){F[(a<<2)+c>>2]=F[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}la(F[F[F[j+8>>2]+64>>2]>>2]+n|0,c,i);n=i+n|0;m=m+1|0;if((m|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,i);a=a+i|0;la(a+F[F[F[j+8>>2]+64>>2]>>2]|0,c,i);a=a+i|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,i);break b}h=G[a+24|0];i=h<<2;c=ka(i);a=F[j+16>>2];if(F[a+80>>2]){g=F[F[a>>2]>>2]+F[a+48>>2]|0}else{g=0}if(!b){break b}if(h){o=h&252;l=h&3;h=h>>>0<4;while(1){a=0;e=0;if(!h){while(1){f=a<<2;k=g+(d<<2)|0;F[f+c>>2]=F[k>>2];F[(f|4)+c>>2]=F[k+4>>2];F[(f|8)+c>>2]=F[k+8>>2];F[(f|12)+c>>2]=F[k+12>>2];a=a+4|0;d=d+4|0;e=e+4|0;if((o|0)!=(e|0)){continue}break}}e=0;if(l){while(1){F[(a<<2)+c>>2]=F[g+(d<<2)>>2];a=a+1|0;d=d+1|0;e=e+1|0;if((l|0)!=(e|0)){continue}break}}la(F[F[F[j+8>>2]+64>>2]>>2]+n|0,c,i);n=i+n|0;m=m+1|0;if((m|0)!=(b|0)){continue}break}break b}a=0;if((b|0)!=1){g=b&-2;while(1){la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,i);a=a+i|0;la(a+F[F[F[j+8>>2]+64>>2]>>2]|0,c,i);a=a+i|0;d=d+2|0;if((g|0)!=(d|0)){continue}break}}if(!(b&1)){break b}la(F[F[F[j+8>>2]+64>>2]>>2]+a|0,c,i)}ja(c);c=1}return c|0}function xb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=M(0);a:{b:{if(!d){break b}c:{switch(F[a+28>>2]-1|0){case 0:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=D[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=E[b>>1];b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=H[b>>1];b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=F[b>>2];b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=F[b>>2];b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=F[b>>2];if(F[b+4>>2]){break b}F[(g<<2)+d>>2]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}e=F[b>>2];if(F[b+4>>2]){break b}F[(g<<2)+d>>2]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 8:d:{e:{e=G[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break e}e=F[a>>2];k=F[e>>2];g=k;f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=F[e+4>>2];e=f-k|0;if(!G[a+32|0]){k=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=J[g>>2];if(m>=M(4294967296)|m=M(0)){i=~~m>>>0}else{i=0}F[e>>2]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}k=0;if((b|0)>=(e|0)){break d}b=0;while(1){m=J[g>>2];if(m>=M(4294967296)|mM(1)){break d}e=(b<<2)+d|0;j=R(+m*4294967295+.5);f:{if(j<4294967296&j>=0){i=~~j>>>0;break f}i=0}F[e>>2]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break e}g=g+4|0;if(f>>>0>g>>>0){continue}break}break d}k=1;if(c>>>0<=e>>>0){break d}ma((e<<2)+d|0,0,c-e<<2)}return k;case 9:g:{h:{e=G[a+24|0];c=c&255;if(!(c>>>0>e>>>0?e:c)){break h}e=F[a>>2];k=F[e>>2];g=k;f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+f|0;g=b+g|0;f=F[e+4>>2];e=f-k|0;if(!G[a+32|0]){k=0;if((b|0)>=(e|0)){break g}b=0;while(1){j=K[g>>3];if(j>=4294967295|j<0|(N(j)==Infinity|j!=j)){break g}e=(b<<2)+d|0;if(j<4294967296&j>=0){i=~~j>>>0}else{i=0}F[e>>2]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}k=0;if((b|0)>=(e|0)){break g}b=0;while(1){j=K[g>>3];if(j>=4294967295|j<0|(N(j)==Infinity|j!=j)){break g}if(j>1){break g}e=(b<<2)+d|0;j=R(j*4294967295+.5);i:{if(j<4294967296&j>=0){i=~~j>>>0;break i}i=0}F[e>>2]=i;b=b+1|0;e=G[a+24|0];if(b>>>0>=(c>>>0>e>>>0?e:c)>>>0){break h}g=g+8|0;if(f>>>0>g>>>0){continue}break}break g}k=1;if(c>>>0<=e>>>0){break g}ma((e<<2)+d|0,0,c-e<<2)}return k;case 10:break c;default:break b}}e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];h=F[e>>2];l=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);i=b;b=b+l|0;b=b+h|0;h=F[e+4>>2];while(1){if(b>>>0>=h>>>0){break b}F[(g<<2)+d>>2]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}ma((e<<2)+d|0,0,(c&255)-e<<2)}return k}ma((e<<2)+d|0,0,(c&255)-e<<2);return 1}function rd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;a:{b:{c:{d:{e:{if(F[a+92>>2]==F[a+88>>2]){break e}c=F[a+52>>2];f:{if((c|0)!=F[a+56>>2]){F[c>>2]=b;F[a+52>>2]=c+4;break f}h=F[a+48>>2];g=c-h|0;d=g>>2;f=d+1|0;if(f>>>0>=1073741824){break a}e=g>>>1|0;g=g>>>0>=2147483644?1073741823:f>>>0>>0?e:f;if(g){if(g>>>0>=1073741824){break d}e=ka(g<<2)}else{e=0}f=e+(d<<2)|0;F[f>>2]=b;d=f+4|0;if((c|0)!=(h|0)){while(1){f=f-4|0;c=c-4|0;F[f>>2]=F[c>>2];if((c|0)!=(h|0)){continue}break}}F[a+56>>2]=e+(g<<2);F[a+52>>2]=d;F[a+48>>2]=f;if(!h){break f}ja(h)}F[a+84>>2]=0;c=-1;e=-1;g:{if((b|0)==-1){break g}d=F[a+4>>2];e=b+1|0;e=(e>>>0)%3|0?e:b-2|0;if((e|0)!=-1){c=F[F[d>>2]+(e<<2)>>2]}h:{if((b>>>0)%3|0){l=b-1|0;break h}l=b+2|0;e=-1;if((l|0)==-1){break g}}e=F[F[d>>2]+(l<<2)>>2]}i=e>>>3&536870908;d=F[a+36>>2];h=d+(c>>>3&536870908)|0;g=F[h>>2];f=1<>2]=f|g;f=a+8|0;if((b|0)!=-1){d=b+1|0;d=(d>>>0)%3|0?d:b-2|0}else{d=-1}Ka(f,c,d);d=F[a+36>>2]}f=d+i|0;d=F[f>>2];c=1<>2]=c|d;d=a+8|0;c=-1;i:{if((b|0)==-1){break i}c=b-1|0;if((b>>>0)%3|0){break i}c=b+2|0}Ka(d,e,c)}c=-1;c=(b|0)!=-1?F[F[F[a+4>>2]>>2]+(b<<2)>>2]:c;f=F[a+36>>2]+(c>>>3&536870908)|0;d=F[f>>2];e=1<>2]=d|e;Ka(a+8|0,c,b)}d=F[a+84>>2];if((d|0)>2){break e}while(1){e=L(d,12)+a|0;b=F[e+52>>2];if((b|0)==F[e+48>>2]){d=d+1|0;if((d|0)!=3){continue}break e}b=b-4|0;c=F[b>>2];F[e+52>>2]=b;F[a+84>>2]=d;if((c|0)==-1){break e}f=F[a+24>>2];b=(c>>>0)/3|0;j:{if(F[f+(b>>>3&268435452)>>2]>>>b&1){break j}k:{while(1){k=(c>>>0)/3|0;b=(k>>>3&268435452)+f|0;F[b>>2]=F[b>>2]|1<>2]>>2]+(c<<2)>>2]:d;f=F[a+36>>2]+(d>>>3&536870908)|0;e=F[f>>2];b=1<>2]=b|e;i=F[(F[F[a+16>>2]+96>>2]+L(k,12)|0)+((c>>>0)%3<<2)>>2];l=F[F[a+20>>2]+4>>2];f=F[l+4>>2];t:{if((f|0)!=F[l+8>>2]){F[f>>2]=i;F[l+4>>2]=f+4;break t}j=F[l>>2];h=f-j|0;g=h>>2;e=g+1|0;if(e>>>0>=1073741824){break s}b=h>>>1|0;h=h>>>0>=2147483644?1073741823:b>>>0>e>>>0?b:e;if(h){if(h>>>0>=1073741824){break d}e=ka(h<<2)}else{e=0}b=e+(g<<2)|0;F[b>>2]=i;g=b+4|0;if((f|0)!=(j|0)){while(1){b=b-4|0;f=f-4|0;F[b>>2]=F[f>>2];if((f|0)!=(j|0)){continue}break}}F[l+8>>2]=e+(h<<2);F[l+4>>2]=g;F[l>>2]=b;if(!j){break t}ja(j)}j=F[a+12>>2];f=F[j+4>>2];u:{if((f|0)!=F[j+8>>2]){F[f>>2]=c;F[j+4>>2]=f+4;break u}i=F[j>>2];h=f-i|0;g=h>>2;e=g+1|0;if(e>>>0>=1073741824){break r}b=h>>>1|0;h=h>>>0>=2147483644?1073741823:b>>>0>e>>>0?b:e;if(h){if(h>>>0>=1073741824){break d}e=ka(h<<2)}else{e=0}b=e+(g<<2)|0;F[b>>2]=c;g=b+4|0;if((f|0)!=(i|0)){while(1){b=b-4|0;f=f-4|0;F[b>>2]=F[f>>2];if((f|0)!=(i|0)){continue}break}}F[j+8>>2]=e+(h<<2);F[j+4>>2]=g;F[j>>2]=b;if(!i){break u}ja(i)}b=F[a+12>>2];F[F[b+12>>2]+(d<<2)>>2]=F[b+24>>2];F[b+24>>2]=F[b+24>>2]+1}if((c|0)==-1){break k}g=F[a+4>>2];f=-1;b=c+1|0;b=(b>>>0)%3|0?b:c-2|0;if((b|0)!=-1){f=F[F[g+12>>2]+(b<<2)>>2]}v:{w:{if((L(k,3)|0)!=(c|0)){d=c-1|0;break w}d=c+2|0;c=-1;if((d|0)==-1){break v}}c=F[F[g+12>>2]+(d<<2)>>2]}d=(c|0)==-1;e=(c>>>0)/3|0;if((f|0)!=-1){b=(f>>>0)/3|0;b=F[F[a+24>>2]+(b>>>3&268435452)>>2]&1<>2]+(b>>>3&536870908)>>2]>>>b&1){break x}k=0;b=F[F[g>>2]+(c<<2)>>2];if(!(F[F[a+36>>2]+(b>>>3&536870908)>>2]>>>b&1)){b=F[a+88>>2]+(b<<2)|0;e=F[b>>2];F[b>>2]=e+1;k=(e|0)<=0?2:1}if(F[a+84>>2]>=(k|0)&l){break m}j=L(k,12)+a|0;b=F[j+52>>2];y:{if((b|0)!=F[j+56>>2]){F[b>>2]=c;F[j+52>>2]=b+4;break y}i=F[j+48>>2];h=b-i|0;d=h>>2;g=d+1|0;if(g>>>0>=1073741824){break c}e=h>>>1|0;g=h>>>0>=2147483644?1073741823:e>>>0>g>>>0?e:g;if(g){if(g>>>0>=1073741824){break d}e=ka(g<<2)}else{e=0}d=e+(d<<2)|0;F[d>>2]=c;c=d+4|0;if((b|0)!=(i|0)){while(1){d=d-4|0;b=b-4|0;F[d>>2]=F[b>>2];if((b|0)!=(i|0)){continue}break}}F[j+48>>2]=d;F[j+52>>2]=c;F[j+56>>2]=e+(g<<2);if(!i){break y}ja(i)}if(F[a+84>>2]<=(k|0)){break x}F[a+84>>2]=k}if(l){break k}c=-1;if((f|0)==-1){break n}}c=F[F[F[a+4>>2]>>2]+(f<<2)>>2]}b=0;if(!(F[F[a+36>>2]+(c>>>3&536870908)>>2]>>>c&1)){b=F[a+88>>2]+(c<<2)|0;c=F[b>>2];F[b>>2]=c+1;b=(c|0)<=0?2:1}if(F[a+84>>2]<(b|0)){break l}c=f}f=F[a+24>>2];continue}break}k=L(b,12)+a|0;c=F[k+52>>2];z:{if((c|0)!=F[k+56>>2]){F[c>>2]=f;F[k+52>>2]=c+4;break z}i=F[k+48>>2];h=c-i|0;d=h>>2;g=d+1|0;if(g>>>0>=1073741824){break b}e=h>>>1|0;g=h>>>0>=2147483644?1073741823:e>>>0>g>>>0?e:g;if(g){if(g>>>0>=1073741824){break d}e=ka(g<<2)}else{e=0}d=e+(d<<2)|0;F[d>>2]=f;f=d+4|0;if((c|0)!=(i|0)){while(1){d=d-4|0;c=c-4|0;F[d>>2]=F[c>>2];if((c|0)!=(i|0)){continue}break}}F[k+48>>2]=d;F[k+52>>2]=f;F[k+56>>2]=e+(g<<2);if(!i){break z}ja(i)}d=F[a+84>>2];if((d|0)<=(b|0)){break j}F[a+84>>2]=b;d=b;break j}d=F[a+84>>2]}if((d|0)<3){continue}break}}return 1}oa();v()}na();v()}na();v()}na();v()}function Mc(a){var b=0,c=0,d=0,e=0,f=0,g=0;e=Z-16|0;Z=e;F[e+12>>2]=a;a:{if(a>>>0<=211){d=F[Lc(10352,10544,e+12|0)>>2];break a}if(a>>>0>=4294967292){V();v()}f=(a>>>0)/210|0;d=L(f,210);F[e+8>>2]=a-d;g=Lc(10544,10736,e+8|0)-10544>>2;while(1){d=F[(g<<2)+10544>>2]+d|0;a=5;while(1){b:{if((a|0)==47){a=211;while(1){b=(d>>>0)/(a>>>0)|0;if(b>>>0>>0){break a}if((L(a,b)|0)==(d|0)){break b}b=a+10|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+12|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+16|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+18|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+22|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+28|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+30|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+36|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+40|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+42|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+46|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+52|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+58|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+60|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+66|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+70|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+72|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+78|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+82|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+88|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+96|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+100|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+102|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+106|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+108|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+112|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+120|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+126|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+130|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+136|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+138|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+142|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+148|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+150|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+156|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+162|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+166|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+168|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+172|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+178|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+180|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+186|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+190|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+192|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+196|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+198|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}if((L(b,c)|0)==(d|0)){break b}b=a+208|0;c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}a=a+210|0;if((L(b,c)|0)!=(d|0)){continue}break}break b}b=F[(a<<2)+10352>>2];c=(d>>>0)/(b>>>0)|0;if(b>>>0>c>>>0){break a}a=a+1|0;if((L(b,c)|0)!=(d|0)){continue}}break}d=g+1|0;a=(d|0)==48;g=a?0:d;f=a+f|0;d=L(f,210);continue}}Z=e+16|0;return d}function lb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=M(0),k=0,l=0;a:{if(!d){break a}b:{c:{switch(F[a+28>>2]-1|0){case 0:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];i=G[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=M(D[b|0]);J[(h<<2)+d>>2]=i?M(j/M(127)):j;b=b+1|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 1:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];i=G[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=M(G[b|0]);J[(h<<2)+d>>2]=i?M(j/M(255)):j;b=b+1|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 2:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];i=G[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=M(E[b>>1]);J[(h<<2)+d>>2]=i?M(j/M(32767)):j;b=b+2|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 3:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];i=G[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=M(H[b>>1]);J[(h<<2)+d>>2]=i?M(j/M(65535)):j;b=b+2|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 4:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];i=G[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=M(F[b>>2]);J[(h<<2)+d>>2]=i?M(j*M(4.656612873077393e-10)):j;b=b+4|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 5:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];i=G[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=M(I[b>>2]);J[(h<<2)+d>>2]=i?M(j*M(2.3283064365386963e-10)):j;b=b+4|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 6:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];i=G[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=M(+I[b>>2]+ +F[b+4>>2]*4294967296);J[(h<<2)+d>>2]=i?M(j*M(10842021724855044e-35)):j;b=b+8|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 7:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];i=G[a+32|0];while(1){if(b>>>0>=g>>>0){break a}j=M(+I[b>>2]+ +I[b+4>>2]*4294967296);J[(h<<2)+d>>2]=i?M(j*M(5.421010862427522e-20)):j;b=b+8|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 8:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];while(1){if(b>>>0>=g>>>0){break a}J[(h<<2)+d>>2]=J[b>>2];b=b+4|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 9:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];while(1){if(b>>>0>=g>>>0){break a}J[(h<<2)+d>>2]=K[b>>3];b=b+8|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0;break b;case 10:break c;default:break a}}e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[a>>2];g=F[e>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);k=b;b=b+i|0;b=b+g|0;g=F[e+4>>2];while(1){if(b>>>0>=g>>>0){break a}J[(h<<2)+d>>2]=G[b|0]?M(1):M(0);b=b+1|0;h=h+1|0;e=G[a+24|0];if(h>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}l=1;if(e>>>0>=f>>>0){break a}d=(e<<2)+d|0;a=(c&255)-e|0}ma(d,0,a<<2)}return l}function Cb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=M(0),m=M(0);a:{b:{if(!d){break b}c:{switch(F[a+28>>2]-1|0){case 0:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}D[d+g|0]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){return 0}e=D[b|0];if((e|0)<0){break b}D[d+g|0]=e;b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}e=H[b>>1];if((e+128&65535)>>>0>255){break b}D[d+g|0]=e;b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}e=H[b>>1];if(e>>>0>127){break b}D[d+g|0]=e;b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}e=F[b>>2];if(e+128>>>0>255){break b}D[d+g|0]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}e=F[b>>2];if(e>>>0>127){break b}D[d+g|0]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}i=F[b+4>>2];e=F[b>>2];h=e+128|0;i=h>>>0<128?i+1|0:i;if(!i&h>>>0>255|i){break b}D[d+g|0]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}i=F[b+4>>2];e=F[b>>2];if(!i&e>>>0>127|i){break b}D[d+g|0]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 8:e=G[a+24|0];c=c&255;d:{if(c>>>0>e>>>0?e:c){e=F[F[a>>2]>>2];f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+f|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break d}l=J[b>>2];if(l>=M(127)|lM(1)){break d}j=R(+l*127+.5);if(!(N(j)<2147483648)){break f}h=~~j;break e}if(!(m>>0<(c>>>0>e>>>0?e:c)>>>0){continue}break}}k=1;if(c>>>0<=e>>>0){break d}ma(d+e|0,0,c-e|0)}return k;case 9:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}j=K[b>>3];if(j>=127|j<-128|(N(j)==Infinity|j!=j)){break b}e=d+g|0;if(G[a+32|0]){if(j<0|j>1){break b}j=R(j*127+.5)}g:{if(N(j)<2147483648){h=~~j;break g}h=-2147483648}D[e|0]=h;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 10:break c;default:break b}}e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}D[d+g|0]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}ma(d+e|0,0,(c&255)-e|0)}return k}ma(d+e|0,0,(c&255)-e|0);return 1}function Bb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=M(0);a:{b:{if(!d){break b}c:{switch(F[a+28>>2]-1|0){case 0:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){return 0}e=D[b|0];if((e|0)<0){break b}D[d+g|0]=e;b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 1:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}D[d+g|0]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 2:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}e=H[b>>1];if(e>>>0>255){break b}D[d+g|0]=e;b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 3:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}e=H[b>>1];if(e>>>0>255){break b}D[d+g|0]=e;b=b+2|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 4:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}e=F[b>>2];if(e>>>0>255){break b}D[d+g|0]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 5:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}e=F[b>>2];if(e>>>0>255){break b}D[d+g|0]=e;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 6:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}i=F[b+4>>2];e=F[b>>2];if(!i&e>>>0>255|i){break b}D[d+g|0]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 7:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}i=F[b+4>>2];e=F[b>>2];if(!i&e>>>0>255|i){break b}D[d+g|0]=e;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 8:e=G[a+24|0];c=c&255;d:{if(c>>>0>e>>>0?e:c){e=F[F[a>>2]>>2];f=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+f|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break d}l=J[b>>2];if(l>=M(255)|lM(1)){break d}j=R(+l*255+.5);if(!(j<4294967296&j>=0)){break f}h=~~j>>>0;break e}if(!(l=M(0))){break f}h=~~l>>>0;break e}h=0}D[e|0]=h;b=b+4|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(c>>>0>e>>>0?e:c)>>>0){continue}break}}k=1;if(c>>>0<=e>>>0){break d}ma(d+e|0,0,c-e|0)}return k;case 9:e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}j=K[b>>3];if(j>=255|j<0|(N(j)==Infinity|j!=j)){break b}e=d+g|0;if(G[a+32|0]){if(j>1){break b}j=R(j*255+.5)}g:{if(j<4294967296&j>=0){h=~~j>>>0;break g}h=0}D[e|0]=h;b=b+8|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}break a;case 10:break c;default:break b}}e=G[a+24|0];f=c&255;if(e>>>0>>0?e:f){e=F[F[a>>2]>>2];i=F[a+48>>2];b=ki(F[a+40>>2],F[a+44>>2],b,0);h=b;b=b+i|0;b=b+e|0;while(1){if(I[F[a>>2]+4>>2]<=b>>>0){break b}D[d+g|0]=G[b|0];b=b+1|0;g=g+1|0;e=G[a+24|0];if(g>>>0<(e>>>0>>0?e:f)>>>0){continue}break}}k=1;if(e>>>0>=f>>>0){break b}ma(d+e|0,0,(c&255)-e|0)}return k}ma(d+e|0,0,(c&255)-e|0);return 1}function jc(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0;e=Z-48|0;Z=e;f=H[5053]|H[5054]<<16;d=H[5051]|H[5052]<<16;E[e+38>>1]=d;E[e+40>>1]=d>>>16;E[e+42>>1]=f;E[e+44>>1]=f>>>16;d=F[2525];F[e+32>>2]=F[2524];F[e+36>>2]=d;d=F[2523];F[e+24>>2]=F[2522];F[e+28>>2]=d;d=F[2521];F[e+16>>2]=F[2520];F[e+20>>2]=d;g=F[b+8>>2];i=F[b+12>>2];h=F[b+20>>2];d=F[b+16>>2];f=d+5|0;h=f>>>0<5?h+1|0:h;a:{b:{if(g>>>0>>0&(h|0)>=(i|0)|(h|0)>(i|0)){d=ya(e+16|0);if(d>>>0>=2147483632){break a}c:{d:{if(d>>>0>=11){b=(d|15)+1|0;c=ka(b);F[e+8>>2]=b|-2147483648;F[e>>2]=c;F[e+4>>2]=d;b=c+d|0;break d}D[e+11|0]=d;b=d+e|0;c=e;if(!d){break c}}la(c,e+16|0,d)}D[b|0]=0;F[a>>2]=-2;b=a+4|0;if(D[e+11|0]>=0){a=F[e+4>>2];F[b>>2]=F[e>>2];F[b+4>>2]=a;F[b+8>>2]=F[e+8>>2];break b}ra(b,F[e>>2],F[e+4>>2]);if(D[e+11|0]>=0){break b}ja(F[e>>2]);break b}f=d+F[b>>2]|0;d=G[f|0]|G[f+1|0]<<8|(G[f+2|0]<<16|G[f+3|0]<<24);D[c|0]=d;D[c+1|0]=d>>>8;D[c+2|0]=d>>>16;D[c+3|0]=d>>>24;D[c+4|0]=G[f+4|0];d=F[b+20>>2];f=F[b+16>>2]+5|0;d=f>>>0<5?d+1|0:d;F[b+16>>2]=f;F[b+20>>2]=d;if(sa(c,1250,5)){d=ka(32);D[d+17|0]=0;D[d+16|0]=G[1494];c=G[1490]|G[1491]<<8|(G[1492]<<16|G[1493]<<24);b=G[1486]|G[1487]<<8|(G[1488]<<16|G[1489]<<24);D[d+8|0]=b;D[d+9|0]=b>>>8;D[d+10|0]=b>>>16;D[d+11|0]=b>>>24;D[d+12|0]=c;D[d+13|0]=c>>>8;D[d+14|0]=c>>>16;D[d+15|0]=c>>>24;c=G[1482]|G[1483]<<8|(G[1484]<<16|G[1485]<<24);b=G[1478]|G[1479]<<8|(G[1480]<<16|G[1481]<<24);D[d|0]=b;D[d+1|0]=b>>>8;D[d+2|0]=b>>>16;D[d+3|0]=b>>>24;D[d+4|0]=c;D[d+5|0]=c>>>8;D[d+6|0]=c>>>16;D[d+7|0]=c>>>24;F[a>>2]=-1;ra(a+4|0,d,17);ja(d);break b}g=F[b+12>>2];if((g|0)<=(d|0)&I[b+8>>2]<=f>>>0|(d|0)>(g|0)){d=ya(e+16|0);if(d>>>0>=2147483632){break a}e:{f:{if(d>>>0>=11){b=(d|15)+1|0;c=ka(b);F[e+8>>2]=b|-2147483648;F[e>>2]=c;F[e+4>>2]=d;b=c+d|0;break f}D[e+11|0]=d;b=d+e|0;c=e;if(!d){break e}}la(c,e+16|0,d)}D[b|0]=0;F[a>>2]=-2;b=a+4|0;if(D[e+11|0]>=0){a=F[e+4>>2];F[b>>2]=F[e>>2];F[b+4>>2]=a;F[b+8>>2]=F[e+8>>2];break b}ra(b,F[e>>2],F[e+4>>2]);if(D[e+11|0]>=0){break b}ja(F[e>>2]);break b}D[c+5|0]=G[f+F[b>>2]|0];g=F[b+20>>2];d=F[b+16>>2]+1|0;g=d?g:g+1|0;F[b+16>>2]=d;F[b+20>>2]=g;f=F[b+12>>2];if((f|0)<=(g|0)&I[b+8>>2]<=d>>>0|(g|0)>(f|0)){d=ya(e+16|0);if(d>>>0>=2147483632){break a}g:{h:{if(d>>>0>=11){b=(d|15)+1|0;c=ka(b);F[e+8>>2]=b|-2147483648;F[e>>2]=c;F[e+4>>2]=d;b=c+d|0;break h}D[e+11|0]=d;b=d+e|0;c=e;if(!d){break g}}la(c,e+16|0,d)}D[b|0]=0;F[a>>2]=-2;b=a+4|0;if(D[e+11|0]>=0){a=F[e+4>>2];F[b>>2]=F[e>>2];F[b+4>>2]=a;F[b+8>>2]=F[e+8>>2];break b}ra(b,F[e>>2],F[e+4>>2]);if(D[e+11|0]>=0){break b}ja(F[e>>2]);break b}D[c+6|0]=G[d+F[b>>2]|0];h=F[b+20>>2];d=F[b+16>>2]+1|0;h=d?h:h+1|0;F[b+16>>2]=d;F[b+20>>2]=h;f=F[b+12>>2];if((f|0)<=(h|0)&I[b+8>>2]<=d>>>0|(f|0)<(h|0)){d=ya(e+16|0);if(d>>>0>=2147483632){break a}i:{j:{if(d>>>0>=11){b=(d|15)+1|0;c=ka(b);F[e+8>>2]=b|-2147483648;F[e>>2]=c;F[e+4>>2]=d;b=c+d|0;break j}D[e+11|0]=d;b=d+e|0;c=e;if(!d){break i}}la(c,e+16|0,d)}D[b|0]=0;F[a>>2]=-2;b=a+4|0;if(D[e+11|0]>=0){a=F[e+4>>2];F[b>>2]=F[e>>2];F[b+4>>2]=a;F[b+8>>2]=F[e+8>>2];break b}ra(b,F[e>>2],F[e+4>>2]);if(D[e+11|0]>=0){break b}ja(F[e>>2]);break b}D[c+7|0]=G[d+F[b>>2]|0];g=F[b+20>>2];d=F[b+16>>2]+1|0;g=d?g:g+1|0;F[b+16>>2]=d;F[b+20>>2]=g;f=F[b+12>>2];if((f|0)<=(g|0)&I[b+8>>2]<=d>>>0|(g|0)>(f|0)){c=Eb(e,e+16|0);F[a>>2]=-2;b=a+4|0;if(D[c+11|0]>=0){a=F[c+4>>2];F[b>>2]=F[c>>2];F[b+4>>2]=a;F[b+8>>2]=F[c+8>>2];break b}ra(b,F[c>>2],F[c+4>>2]);if(D[c+11|0]>=0){break b}ja(F[c>>2]);break b}D[c+8|0]=G[d+F[b>>2]|0];d=F[b+20>>2];g=F[b+16>>2];f=g+1|0;i=f?d:d+1|0;F[b+16>>2]=f;F[b+20>>2]=i;i=F[b+8>>2];h=F[b+12>>2];g=g+3|0;d=g>>>0<3?d+1|0:d;if(g>>>0>i>>>0&(d|0)>=(h|0)|(d|0)>(h|0)){c=Eb(e,e+16|0);F[a>>2]=-2;b=a+4|0;if(D[c+11|0]>=0){a=F[c+4>>2];F[b>>2]=F[c>>2];F[b+4>>2]=a;F[b+8>>2]=F[c+8>>2];break b}ra(b,F[c>>2],F[c+4>>2]);if(D[c+11|0]>=0){break b}ja(F[c>>2]);break b}d=c;c=F[b>>2]+f|0;E[d+10>>1]=G[c|0]|G[c+1|0]<<8;g=F[b+20>>2];c=F[b+16>>2]+2|0;g=c>>>0<2?g+1|0:g;F[b+16>>2]=c;F[b+20>>2]=g;F[a+8>>2]=0;F[a+12>>2]=0;F[a>>2]=0;F[a+4>>2]=0}Z=e+48|0;return}za();v()}function Mb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0;e=Z-96|0;Z=e;f=F[a+16>>2];D[e+92|0]=1;F[e+88>>2]=b;F[e+84>>2]=b;F[e+80>>2]=f;j=F[a+20>>2];d=F[j>>2];a:{b:{f=F[F[f+28>>2]+(b<<2)>>2];if(f>>>0>2]-d>>2>>>0){d=F[F[a+8>>2]+(F[d+(f<<2)>>2]<<2)>>2];f=F[a+4>>2];if(!G[f+84|0]){d=F[F[f+68>>2]+(d<<2)>>2]}F[e+72>>2]=0;F[e+76>>2]=0;j=e- -64|0;F[j>>2]=0;F[j+4>>2]=0;F[e+56>>2]=0;F[e+60>>2]=0;Ga(f,d,D[f+24|0],e+56|0);if((b|0)!=-1){f=b+1|0;j=(f>>>0)%3|0?f:b-2|0;m=((b>>>0)%3|0?-1:2)+b|0;while(1){d=j;f=m;c:{if(!F[a+28>>2]){break c}f=b+1|0;d=(f>>>0)%3|0?f:b-2|0;f=b-1|0;if((b>>>0)%3|0){break c}f=b+2|0}n=F[a+20>>2];b=F[n>>2];d=F[F[F[a+16>>2]+28>>2]+(d<<2)>>2];if(d>>>0>=F[n+4>>2]-b>>2>>>0){break b}d=F[F[a+8>>2]+(F[b+(d<<2)>>2]<<2)>>2];b=F[a+4>>2];if(!G[b+84|0]){d=F[F[b+68>>2]+(d<<2)>>2]}F[e+48>>2]=0;F[e+52>>2]=0;F[e+40>>2]=0;F[e+44>>2]=0;F[e+32>>2]=0;F[e+36>>2]=0;Ga(b,d,D[b+24|0],e+32|0);d=F[a+20>>2];b=F[d>>2];f=F[F[F[a+16>>2]+28>>2]+(f<<2)>>2];if(f>>>0>=F[d+4>>2]-b>>2>>>0){break a}d=F[F[a+8>>2]+(F[b+(f<<2)>>2]<<2)>>2];b=F[a+4>>2];if(!G[b+84|0]){d=F[F[b+68>>2]+(d<<2)>>2]}F[e+24>>2]=0;F[e+28>>2]=0;F[e+16>>2]=0;F[e+20>>2]=0;F[e+8>>2]=0;F[e+12>>2]=0;Ga(b,d,D[b+24|0],e+8|0);g=F[e+8>>2];b=F[e+56>>2];d=g-b|0;p=F[e+60>>2];t=F[e+12>>2]-(p+(b>>>0>g>>>0)|0)|0;h=F[e+40>>2];f=F[e+64>>2];n=h-f|0;u=F[e+68>>2];y=F[e+44>>2]-(u+(f>>>0>h>>>0)|0)|0;g=ki(d,t,n,y);w=o-g|0;x=i-(_+(g>>>0>o>>>0)|0)|0;i=w;h=F[e+16>>2];g=h-f|0;u=F[e+20>>2]-((f>>>0>h>>>0)+u|0)|0;k=F[e+32>>2];h=k-b|0;w=F[e+36>>2]-((b>>>0>k>>>0)+p|0)|0;b=ki(g,u,h,w);o=i+b|0;i=_+x|0;i=b>>>0>o>>>0?i+1|0:i;b=l;l=d;p=t;k=F[e+48>>2];f=F[e+72>>2];d=k-f|0;t=F[e+76>>2];x=F[e+52>>2]-(t+(f>>>0>k>>>0)|0)|0;l=ki(l,p,d,x);k=b+l|0;b=_+q|0;b=k>>>0>>0?b+1|0:b;l=F[e+24>>2];p=l-f|0;f=F[e+28>>2]-((f>>>0>l>>>0)+t|0)|0;q=ki(p,f,h,w);l=k-q|0;q=b-(_+(k>>>0>>0)|0)|0;b=ki(g,u,d,x);d=r-b|0;b=s-(_+(b>>>0>r>>>0)|0)|0;s=ki(p,f,n,y);r=s+d|0;b=_+b|0;s=r>>>0>>0?b+1|0:b;b=F[e+88>>2];f=F[e+80>>2];d:{if(G[e+92|0]){e:{f:{g:{h:{if((b|0)==-1){break h}d=b+1|0;b=(d>>>0)%3|0?d:b-2|0;if((b|0)==-1|F[F[f>>2]+(b>>>3&536870908)>>2]>>>b&1){break h}b=F[F[F[f+64>>2]+12>>2]+(b<<2)>>2];if((b|0)!=-1){break g}}F[e+88>>2]=-1;break f}d=b+1|0;b=(d>>>0)%3|0?d:b-2|0;F[e+88>>2]=b;if((b|0)!=-1){break e}}b=F[e+84>>2];d=-1;i:{if((b|0)==-1){break i}j:{if((b>>>0)%3|0){b=b-1|0;break j}b=b+2|0;d=-1;if((b|0)==-1){break i}}d=-1;if(F[F[f>>2]+(b>>>3&536870908)>>2]>>>b&1){break i}b=F[F[F[f+64>>2]+12>>2]+(b<<2)>>2];d=-1;if((b|0)==-1){break i}d=b-1|0;if((b>>>0)%3|0){break i}d=b+2|0}D[e+92|0]=0;F[e+88>>2]=d;break d}if((b|0)!=F[e+84>>2]){break d}F[e+88>>2]=-1;break d}d=-1;k:{if((b|0)==-1){break k}l:{if((b>>>0)%3|0){b=b-1|0;break l}b=b+2|0;d=-1;if((b|0)==-1){break k}}d=-1;if(F[F[f>>2]+(b>>>3&536870908)>>2]>>>b&1){break k}b=F[F[F[f+64>>2]+12>>2]+(b<<2)>>2];d=-1;if((b|0)==-1){break k}d=b-1|0;if((b>>>0)%3|0){break k}d=b+2|0}F[e+88>>2]=d}b=F[e+88>>2];if((b|0)!=-1){continue}break}}b=s>>31;f=b^r;d=f-b|0;b=(b^s)-((b>>>0>f>>>0)+b|0)|0;m=-1;f=2147483647;g=q>>31;h=g^l;j=h-g|0;n=(g^q)-((h>>>0>>0)+g|0)|0;h=n;k=j^-1;g=h^2147483647;n=i;m:{n:{if(!F[a+28>>2]){if((b|0)==(g|0)&d>>>0>k>>>0|b>>>0>g>>>0){break m}b=b+h|0;a=d+j|0;b=a>>>0>>0?b+1|0:b;f=a;g=i;a=g>>31;d=a;m=d^o;a=m-d|0;i=a;d=(d^g)-((d>>>0>m>>>0)+d|0)|0;a=a+f|0;d=d^2147483647;i=(d|0)==(b|0)&(i^-1)>>>0>>0|b>>>0>d>>>0;a=i?-1:a;if(!(i&0)&(a|0)<=536870912|(a|0)<536870912){break m}b=0;a=a>>>29|0;break n}o:{if((b|0)==(g|0)&d>>>0>k>>>0|b>>>0>g>>>0){break o}b=b+h|0;a=d+j|0;b=a>>>0>>0?b+1|0:b;k=i;d=i>>31;h=d^o;i=h-d|0;j=(d^k)-((d>>>0>h>>>0)+d|0)|0;g=j^2147483647;d=a;a=i;if((g|0)==(b|0)&d>>>0>(a^-1)>>>0|b>>>0>g>>>0){break o}b=b+j|0;m=a+d|0;b=m>>>0>>0?b+1|0:b;f=b;if(!b&m>>>0<536870913){break m}}b=f>>>29|0;a=(f&536870911)<<3|m>>>29}o=li(o,n,a,b);l=li(l,q,a,b);r=li(r,s,a,b)}F[c+8>>2]=o;F[c+4>>2]=l;F[c>>2]=r;Z=e+96|0;return}ta();v()}ta();v()}ta();v()}function te(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;g=Z-16|0;Z=g;f=1;m=$[F[F[a>>2]+24>>2]](a)|0;a:{if((m|0)<=0){break a}r=a+48|0;f=0;while(1){b:{c:{if(!F[($[F[F[a>>2]+28>>2]](a)|0)+40>>2]){break c}o=l<<2;d=F[o+F[a+36>>2]>>2];c=F[d+8>>2];e=bb(d);if(!e){break c}h=F[($[F[F[a>>2]+28>>2]](a)|0)+40>>2];F[g+12>>2]=F[c+56>>2];d=ka(32);F[g>>2]=d;F[g+4>>2]=24;F[g+8>>2]=-2147483616;c=G[1196]|G[1197]<<8|(G[1198]<<16|G[1199]<<24);b=G[1192]|G[1193]<<8|(G[1194]<<16|G[1195]<<24);D[d+16|0]=b;D[d+17|0]=b>>>8;D[d+18|0]=b>>>16;D[d+19|0]=b>>>24;D[d+20|0]=c;D[d+21|0]=c>>>8;D[d+22|0]=c>>>16;D[d+23|0]=c>>>24;c=G[1188]|G[1189]<<8|(G[1190]<<16|G[1191]<<24);b=G[1184]|G[1185]<<8|(G[1186]<<16|G[1187]<<24);D[d+8|0]=b;D[d+9|0]=b>>>8;D[d+10|0]=b>>>16;D[d+11|0]=b>>>24;D[d+12|0]=c;D[d+13|0]=c>>>8;D[d+14|0]=c>>>16;D[d+15|0]=c>>>24;c=G[1180]|G[1181]<<8|(G[1182]<<16|G[1183]<<24);b=G[1176]|G[1177]<<8|(G[1178]<<16|G[1179]<<24);D[d|0]=b;D[d+1|0]=b>>>8;D[d+2|0]=b>>>16;D[d+3|0]=b>>>24;D[d+4|0]=c;D[d+5|0]=c>>>8;D[d+6|0]=c>>>16;D[d+7|0]=c>>>24;D[d+24|0]=0;c=h+16|0;b=F[c>>2];d:{e:{if(!b){break e}i=F[g+12>>2];d=c;while(1){k=(i|0)>F[b+16>>2];d=k?d:b;b=F[(k?b+4|0:b)>>2];if(b){continue}break}if((c|0)==(d|0)|(i|0)>2]){break e}b=F[d+24>>2];if(!b){break e}i=d+20|0;d=G[g+11|0];c=d<<24>>24<0;k=c?F[g>>2]:g;d=c?F[g+4>>2]:d;while(1){c=G[b+27|0];j=c<<24>>24<0;c=j?F[b+20>>2]:c;p=c>>>0>>0;f:{g:{h:{i:{j:{k:{n=p?c:d;if(n){j=j?F[b+16>>2]:b+16|0;q=sa(k,j,n);if(q){break k}if(c>>>0<=d>>>0){break j}break f}if(c>>>0<=d>>>0){break i}break f}if((q|0)<0){break f}}c=sa(j,k,n);if(c){break h}}if(p){break g}d=gc(i,g);break d}if((c|0)<0){break g}d=gc(i,g);break d}b=b+4|0}b=F[b>>2];if(b){continue}break}}d=gc(h,g)}if(D[g+11|0]<0){ja(F[g>>2])}if(!d){break c}d=0;c=F[F[o+F[a+36>>2]>>2]+8>>2];if(!F[c+64>>2]){b=ka(32);F[b+16>>2]=0;F[b+20>>2]=0;F[b+8>>2]=0;F[b>>2]=0;F[b+4>>2]=0;F[b+24>>2]=0;F[b+28>>2]=0;f=F[c+64>>2];F[c+64>>2]=b;if(f){b=F[f>>2];if(b){F[f+4>>2]=b;ja(b)}ja(f);b=F[c+64>>2]}F[c>>2]=b;f=F[b+20>>2];F[c+8>>2]=F[b+16>>2];F[c+12>>2]=f;f=F[b+24>>2];b=F[b+28>>2];F[c+48>>2]=0;F[c+52>>2]=0;F[c+40>>2]=0;F[c+44>>2]=0;F[c+16>>2]=f;F[c+20>>2]=b}l:{D[c+24|0]=G[e+24|0];F[c+28>>2]=F[e+28>>2];D[c+32|0]=G[e+32|0];b=F[e+44>>2];F[c+40>>2]=F[e+40>>2];F[c+44>>2]=b;b=F[e+52>>2];F[c+48>>2]=F[e+48>>2];F[c+52>>2]=b;F[c+56>>2]=F[e+56>>2];b=F[e+12>>2];F[c+8>>2]=F[e+8>>2];F[c+12>>2]=b;b=F[e+20>>2];F[c+16>>2]=F[e+16>>2];F[c+20>>2]=b;F[c+60>>2]=F[e+60>>2];f=F[e>>2];m:{if(!f){F[c>>2]=0;b=1;break m}h=F[c>>2];b=0;if(!h){break m}b=F[f>>2];f=F[f+4>>2]-b|0;md(h,b,f,0);b=1}if(!b){break l}D[c+84|0]=G[e+84|0];F[c+80>>2]=F[e+80>>2];if((c|0)!=(e|0)){gb(c+68|0,F[e+68>>2],F[e+72>>2])}n:{h=F[e+88>>2];o:{if(h){f=ka(40);e=F[h>>2];F[f+16>>2]=0;F[f+8>>2]=0;F[f+12>>2]=0;F[f>>2]=e;e=F[h+12>>2];b=F[h+8>>2];if((e|0)!=(b|0)){b=e-b|0;if((b|0)<0){break n}e=ka(b);F[f+12>>2]=e;F[f+8>>2]=e;F[f+16>>2]=b+e;b=F[h+8>>2];i=F[h+12>>2];p:{if((b|0)==(i|0)){break p}k=i+(b^-1)|0;j=i-b&7;if(j){while(1){D[e|0]=G[b|0];e=e+1|0;b=b+1|0;d=d+1|0;if((j|0)!=(d|0)){continue}break}}if(k>>>0<7){break p}while(1){D[e|0]=G[b|0];D[e+1|0]=G[b+1|0];D[e+2|0]=G[b+2|0];D[e+3|0]=G[b+3|0];D[e+4|0]=G[b+4|0];D[e+5|0]=G[b+5|0];D[e+6|0]=G[b+6|0];D[e+7|0]=G[b+7|0];e=e+8|0;b=b+8|0;if((i|0)!=(b|0)){continue}break}}F[f+12>>2]=e}d=F[h+36>>2];F[f+32>>2]=F[h+32>>2];F[f+36>>2]=d;d=F[h+28>>2];F[f+24>>2]=F[h+24>>2];F[f+28>>2]=d;e=F[c+88>>2];F[c+88>>2]=f;if(e){break o}break l}e=F[c+88>>2];F[c+88>>2]=0;if(!e){break l}}d=F[e+8>>2];if(d){F[e+12>>2]=d;ja(d)}ja(e);break l}na();v()}break b}d=F[F[a+36>>2]+(l<<2)>>2];if(!($[F[F[d>>2]+24>>2]](d,r)|0)){break a}}l=l+1|0;f=(m|0)<=(l|0);if((l|0)!=(m|0)){continue}break}}Z=g+16|0;return f|0}function Jg(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;f=Z-32|0;Z=f;a:{if(!hb(1,f+28|0,F[a+32>>2])){break a}if(!hb(1,f+24|0,F[a+32>>2])){break a}l=F[f+28>>2];if(l>>>0>1431655765){break a}d=F[a+32>>2];c=d;i=F[c+8>>2];b=F[c+16>>2];h=F[c+12>>2];c=F[c+20>>2];g=li(i-b|0,h-(c+(b>>>0>i>>>0)|0)|0,3,0);if(!_&g>>>0>>0){break a}n=F[f+24>>2];g=ki(l,0,3,0);if(!_&g>>>0>>0|((c|0)>=(h|0)&b>>>0>=i>>>0|(c|0)>(h|0))){break a}i=G[b+F[d>>2]|0];b=b+1|0;c=b?c:c+1|0;F[d+16>>2]=b;F[d+20>>2]=c;b:{c:{if(!i){d=0;c=Z-32|0;Z=c;F[c+24>>2]=0;F[c+16>>2]=0;F[c+20>>2]=0;d:{e:{b=L(l,3);if(b){if(b>>>0>=1073741824){break e}i=L(l,12);d=ka(i);ma(d,0,i)}b=mc(b,1,F[a+32>>2],d);f:{g:{if(!(!l|!b)){i=0;while(1){h:{g=e;b=(i<<2)+d|0;h=F[b>>2];e=h>>>1|0;h=g+(h&1?0-e|0:e)|0;if((h|0)<0){break h}F[c>>2]=h;e=F[b+4>>2];g=e>>>1|0;h=h+(e&1?0-g|0:g)|0;if((h|0)<0){break h}F[c+4>>2]=h;b=F[b+8>>2];e=b>>>1|0;e=h+(b&1?0-e|0:e)|0;if((e|0)<0){break h}F[c+8>>2]=e;mb(F[a+44>>2]+96|0,c);i=i+3|0;b=1;j=j+1|0;if((j|0)!=(l|0)){continue}break g}break}b=0;break g}if(!d){break f}}ja(d)}Z=c+32|0;break d}na();v()}if(b){break c}break a}if(n>>>0<=255){if(!l){break c}while(1){i:{F[f+16>>2]=0;F[f+8>>2]=0;F[f+12>>2]=0;d=F[a+32>>2];b=d;i=F[b+16>>2];e=F[b+8>>2];c=F[b+20>>2];g=F[b+12>>2];b=g;if(e>>>0<=i>>>0&(c|0)>=(b|0)|(b|0)<(c|0)){break i}j=F[d>>2];m=G[j+i|0];b=c;h=i+1|0;b=h?b:b+1|0;F[d+16>>2]=h;F[d+20>>2]=b;F[f+8>>2]=m;m=e>>>0>>0&(c|0)>=(g|0)|(c|0)>(g|0);e=m?i:e;g=m?c:g;if((e|0)==(h|0)&(g|0)==(b|0)){break i}m=G[h+j|0];b=c;h=i+2|0;b=h>>>0<2?b+1|0:b;F[d+16>>2]=h;F[d+20>>2]=b;F[f+12>>2]=m;if((e|0)==(h|0)&(b|0)==(g|0)){break i}h=G[h+j|0];b=c;c=i+3|0;b=c>>>0<3?b+1|0:b;F[d+16>>2]=c;F[d+20>>2]=b;F[f+16>>2]=h;mb(F[a+44>>2]+96|0,f+8|0);k=k+1|0;if((l|0)!=(k|0)){continue}break c}break}k=0;break a}if(n>>>0<=65535){if(!l){break c}while(1){j:{F[f+16>>2]=0;F[f+8>>2]=0;F[f+12>>2]=0;j=F[a+32>>2];b=j;c=F[b+8>>2];d=F[b+12>>2];h=F[b+16>>2];b=F[b+20>>2];i=b;e=h+2|0;b=e>>>0<2?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break j}m=F[j>>2];g=m+h|0;g=G[g|0]|G[g+1|0]<<8;F[j+16>>2]=e;F[j+20>>2]=b;F[f+8>>2]=g;b=i;g=h+4|0;b=g>>>0<4?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break j}e=e+m|0;e=G[e|0]|G[e+1|0]<<8;F[j+16>>2]=g;F[j+20>>2]=b;F[f+12>>2]=e;e=c;b=i;c=h+6|0;b=c>>>0<6?b+1|0:b;if(c>>>0>e>>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break j}d=g+m|0;d=G[d|0]|G[d+1|0]<<8;F[j+16>>2]=c;F[j+20>>2]=b;F[f+16>>2]=d;mb(F[a+44>>2]+96|0,f+8|0);k=k+1|0;if((l|0)!=(k|0)){continue}break c}break}k=0;break a}k:{if(n>>>0>2097151){break k}b=H[a+36>>1];if(((b<<8|b>>>8)&65535)>>>0<514){break k}if(!l){break c}while(1){l:{F[f+16>>2]=0;F[f+8>>2]=0;F[f+12>>2]=0;if(!hb(1,f+4|0,F[a+32>>2])){break l}F[f+8>>2]=F[f+4>>2];if(!hb(1,f+4|0,F[a+32>>2])){break l}F[f+12>>2]=F[f+4>>2];if(!hb(1,f+4|0,F[a+32>>2])){break l}F[f+16>>2]=F[f+4>>2];mb(F[a+44>>2]+96|0,f+8|0);k=k+1|0;if((l|0)!=(k|0)){continue}break c}break}k=0;break a}if(!l){break c}while(1){F[f+16>>2]=0;F[f+8>>2]=0;F[f+12>>2]=0;j=F[a+32>>2];b=j;c=F[b+8>>2];d=F[b+12>>2];h=F[b+16>>2];b=F[b+20>>2];i=b;e=h+4|0;b=e>>>0<4?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break b}m=F[j>>2];g=m+h|0;g=G[g|0]|G[g+1|0]<<8|(G[g+2|0]<<16|G[g+3|0]<<24);F[j+16>>2]=e;F[j+20>>2]=b;F[f+8>>2]=g;b=i;g=h+8|0;b=g>>>0<8?b+1|0:b;if(c>>>0>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break b}e=e+m|0;e=G[e|0]|G[e+1|0]<<8|(G[e+2|0]<<16|G[e+3|0]<<24);F[j+16>>2]=g;F[j+20>>2]=b;F[f+12>>2]=e;e=c;b=i;c=h+12|0;b=c>>>0<12?b+1|0:b;if(c>>>0>e>>>0&(b|0)>=(d|0)|(b|0)>(d|0)){break b}d=g+m|0;d=G[d|0]|G[d+1|0]<<8|(G[d+2|0]<<16|G[d+3|0]<<24);F[j+16>>2]=c;F[j+20>>2]=b;F[f+16>>2]=d;mb(F[a+44>>2]+96|0,f+8|0);k=k+1|0;if((l|0)!=(k|0)){continue}break}}F[F[a+4>>2]+80>>2]=n;k=1;break a}k=0}Z=f+32|0;return k|0}function Ld(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;g=Z+-64|0;Z=g;F[g+56>>2]=0;F[g+48>>2]=0;F[g+52>>2]=0;F[g+40>>2]=0;F[g+44>>2]=0;F[g+32>>2]=0;F[g+36>>2]=0;F[g+24>>2]=0;F[g+28>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;F[g+8>>2]=0;F[g+12>>2]=0;h=g+8|0;a:{b:{if(!H[b+38>>1]){break b}if(!Ta(1,h+12|0,b)){break b}e=F[b+8>>2];f=F[b+16>>2];j=e-f|0;k=F[h+12>>2];e=F[b+12>>2]-(F[b+20>>2]+(e>>>0>>0)|0)|0;if(j>>>0>>6>>>0&(e|0)<=0|(e|0)<0){break b}e=F[h>>2];d=F[h+4>>2]-e>>2;c:{if(d>>>0>>0){qa(h,k-d|0);k=F[h+12>>2];break c}if(d>>>0<=k>>>0){break c}F[h+4>>2]=e+(k<<2)}i=1;if(!k){break a}e=F[b+16>>2];d=F[b+20>>2];r=F[h>>2];l=F[b+8>>2];o=F[b+12>>2];j=0;while(1){i=0;if((d|0)>=(o|0)&e>>>0>=l>>>0|(d|0)>(o|0)){break a}i=F[b>>2];p=G[i+e|0];e=e+1|0;d=e?d:d+1|0;F[b+16>>2]=e;F[b+20>>2]=d;f=p>>>2|0;m=0;d:{e:{f:{g:{s=p&3;switch(s|0){case 3:break g;case 0:break e;default:break f}}f=f+j|0;i=0;if(f>>>0>=k>>>0){break a}ma(r+(j<<2)|0,0,(p&252)+4|0);j=f;break d}while(1){if((e|0)==(l|0)&(d|0)==(o|0)){break b}k=G[e+i|0];e=e+1|0;d=e?d:d+1|0;F[b+16>>2]=e;F[b+20>>2]=d;f=k<<(m<<3|6)|f;m=m+1|0;if((s|0)!=(m|0)){continue}break}}F[r+(j<<2)>>2]=f}j=j+1|0;k=F[h+12>>2];if(j>>>0>>0){continue}break}d=h+16|0;o=F[h>>2];f=F[h+16>>2];e=F[h+20>>2]-f|0;h:{if(e>>>0<=4194303){qa(d,1048576-(e>>>2|0)|0);break h}if((e|0)==4194304){break h}F[h+20>>2]=f+4194304}e=h+28|0;j=F[e>>2];f=F[h+32>>2]-j>>3;i:{if(f>>>0>>0){_a(e,k-f|0);j=F[e>>2];break i}if(f>>>0>k>>>0){F[h+32>>2]=(k<<3)+j}if(!k){break b}}l=F[d>>2];d=0;i=0;while(1){e=o+(d<<2)|0;h=F[e>>2];m=(d<<3)+j|0;f=i;F[m+4>>2]=f;F[m>>2]=h;e=F[e>>2];i=e+f|0;if(i>>>0>1048576){break b}j:{if(f>>>0>=i>>>0){break j}m=0;h=e&7;if(h){while(1){F[l+(f<<2)>>2]=d;f=f+1|0;m=m+1|0;if((h|0)!=(m|0)){continue}break}}if(e-1>>>0<=6){break j}while(1){e=l+(f<<2)|0;F[e>>2]=d;F[e+28>>2]=d;F[e+24>>2]=d;F[e+20>>2]=d;F[e+16>>2]=d;F[e+12>>2]=d;F[e+8>>2]=d;F[e+4>>2]=d;f=f+8|0;if((i|0)!=(f|0)){continue}break}}d=d+1|0;if((k|0)!=(d|0)){continue}break}n=(i|0)==1048576}i=n}k:{if(!i|(F[g+20>>2]?0:a)){break k}i=0;j=Z-16|0;Z=j;l:{if(!Sa(1,j+8|0,b)){break l}d=F[b+8>>2];f=F[b+16>>2];l=d-f|0;n=F[j+12>>2];h=F[b+20>>2];d=F[b+12>>2]-(h+(d>>>0>>0)|0)|0;e=F[j+8>>2];if((n|0)==(d|0)&e>>>0>l>>>0|d>>>0>>0){break l}d=h+n|0;l=e+f|0;d=l>>>0>>0?d+1|0:d;F[b+16>>2]=l;F[b+20>>2]=d;if((e|0)<=0){break l}b=f+F[b>>2]|0;F[g+48>>2]=b;d=e-1|0;f=d+b|0;l=G[f|0];m:{if(l>>>0<=63){F[g+52>>2]=d;b=G[f|0]&63;break m}n:{switch((l>>>6|0)-1|0){case 0:if(e>>>0<2){break l}d=e-2|0;F[g+52>>2]=d;b=b+d|0;b=G[b+1|0]<<8&16128|G[b|0];break m;case 1:if(e>>>0<3){break l}d=e-3|0;F[g+52>>2]=d;b=b+d|0;b=G[b+1|0]<<8|G[b+2|0]<<16&4128768|G[b|0];break m;default:break n}}d=e-4|0;F[g+52>>2]=d;b=b+d|0;b=(G[b|0]|G[b+1|0]<<8|(G[b+2|0]<<16|G[b+3|0]<<24))&1073741823}F[g+56>>2]=b+4194304;i=b>>>0<1069547520}Z=j+16|0;if(!i){break k}if(!a){t=1;break k}b=F[g+52>>2];f=F[g+56>>2];d=F[g+36>>2];e=F[g+48>>2];j=F[g+24>>2];while(1){o:{if(f>>>0>4194303){break o}while(1){if((b|0)<=0){break o}b=b-1|0;F[g+52>>2]=b;f=G[b+e|0]|f<<8;F[g+56>>2]=f;if(f>>>0<4194304){continue}break}}i=f&1048575;l=F[j+(i<<2)>>2];n=d+(l<<3)|0;f=(L(F[n>>2],f>>>20|0)+i|0)-F[n+4>>2]|0;F[g+56>>2]=f;F[(q<<2)+c>>2]=l;t=1;q=q+1|0;if((q|0)!=(a|0)){continue}break}}a=F[g+36>>2];if(a){F[g+40>>2]=a;ja(a)}a=F[g+24>>2];if(a){F[g+28>>2]=a;ja(a)}a=F[g+8>>2];if(a){F[g+12>>2]=a;ja(a)}Z=g- -64|0;return t}function kh(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=M(0),f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=M(0),p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0;if(F[c>>2]==F[c+4>>2]){m=F[d+80>>2];u=Z-16|0;Z=u;g=F[a+4>>2];k=G[b+24|0];h=F[d+48>>2];n=F[F[d>>2]>>2];c=u+8|0;F[c>>2]=1065353216;d=c;J[c>>2]=M(-1<>2];c=ka(k<<2);a:{if(!m|!k){break a}p=h+n|0;o=J[d>>2];n=F[a+8>>2];v=F[b>>2];d=F[b+48>>2];g=F[b+40>>2];w=F[b+44>>2];if(!G[b+84|0]){f=F[b+68>>2];s=k&254;t=k&1;a=0;while(1){b=F[v>>2];l=ki(g,w,F[f+(i<<2)>>2],0)+d|0;h=la(c,b+l|0,g);b=0;q=0;if((k|0)!=1){while(1){l=p+(a<<2)|0;j=b<<2;e=M(R(M(M(o*M(J[j+h>>2]-J[n+j>>2]))+M(.5))));b:{if(M(N(e))>2]=r;j=j|4;e=M(R(M(M(o*M(J[j+h>>2]-J[n+j>>2]))+M(.5))));c:{if(M(N(e))>2]=j;b=b+2|0;a=a+2|0;q=q+2|0;if((s|0)!=(q|0)){continue}break}}if(t){l=p+(a<<2)|0;b=b<<2;e=M(R(M(M(o*M(J[b+h>>2]-J[b+n>>2]))+M(.5))));d:{if(M(N(e))>2]=b;a=a+1|0}i=i+1|0;if((m|0)!=(i|0)){continue}break}break a}s=k&254;t=k&1;a=0;while(1){b=F[v>>2];h=ki(g,w,i,l)+d|0;j=la(c,b+h|0,g);b=0;q=0;if((k|0)!=1){while(1){h=p+(a<<2)|0;f=b<<2;e=M(R(M(M(o*M(J[f+j>>2]-J[f+n>>2]))+M(.5))));e:{if(M(N(e))>2]=r;f=f|4;e=M(R(M(M(o*M(J[f+j>>2]-J[f+n>>2]))+M(.5))));f:{if(M(N(e))>2]=f;b=b+2|0;a=a+2|0;q=q+2|0;if((s|0)!=(q|0)){continue}break}}if(t){h=p+(a<<2)|0;b=b<<2;e=M(R(M(M(o*M(J[b+j>>2]-J[b+n>>2]))+M(.5))));g:{if(M(N(e))>2]=b;a=a+1|0}b=l;i=i+1|0;b=i?b:b+1|0;l=b;if((i|0)!=(m|0)|b){continue}break}}ja(c);Z=u+16|0;return 1}j=Z-16|0;Z=j;m=F[a+4>>2];i=G[b+24|0];g=F[d+48>>2];h=F[F[d>>2]>>2];d=j+8|0;F[d>>2]=1065353216;l=d;J[d>>2]=M(-1<>2];d=ka(i<<2);m=F[c+4>>2];q=F[c>>2];h:{if(!i|(m|0)==(q|0)){break h}n=h+g|0;c=m-q>>2;u=c>>>0<=1?1:c;o=J[l>>2];h=F[a+8>>2];v=F[b>>2];l=F[b+48>>2];m=F[b+40>>2];w=F[b+44>>2];if(G[b+84|0]){s=i&254;t=i&1;a=0;c=0;while(1){b=F[v>>2];g=ki(m,w,F[q+(c<<2)>>2],0)+l|0;p=la(d,b+g|0,m);b=0;k=0;if((i|0)!=1){while(1){g=n+(a<<2)|0;f=b<<2;e=M(R(M(M(o*M(J[f+p>>2]-J[h+f>>2]))+M(.5))));i:{if(M(N(e))>2]=r;f=f|4;e=M(R(M(M(o*M(J[f+p>>2]-J[h+f>>2]))+M(.5))));j:{if(M(N(e))>2]=f;b=b+2|0;a=a+2|0;k=k+2|0;if((s|0)!=(k|0)){continue}break}}if(t){g=n+(a<<2)|0;b=b<<2;e=M(R(M(M(o*M(J[b+p>>2]-J[b+h>>2]))+M(.5))));k:{if(M(N(e))>2]=b;a=a+1|0}c=c+1|0;if((u|0)!=(c|0)){continue}break}break h}s=F[b+68>>2];t=i&254;x=i&1;a=0;c=0;while(1){b=F[v>>2];g=ki(m,w,F[s+(F[q+(c<<2)>>2]<<2)>>2],0)+l|0;p=la(d,b+g|0,m);b=0;k=0;if((i|0)!=1){while(1){g=n+(a<<2)|0;f=b<<2;e=M(R(M(M(o*M(J[f+p>>2]-J[h+f>>2]))+M(.5))));l:{if(M(N(e))>2]=r;f=f|4;e=M(R(M(M(o*M(J[f+p>>2]-J[h+f>>2]))+M(.5))));m:{if(M(N(e))>2]=f;b=b+2|0;a=a+2|0;k=k+2|0;if((t|0)!=(k|0)){continue}break}}if(x){g=n+(a<<2)|0;b=b<<2;e=M(R(M(M(o*M(J[b+p>>2]-J[b+h>>2]))+M(.5))));n:{if(M(N(e))>2]=b;a=a+1|0}c=c+1|0;if((u|0)!=(c|0)){continue}break}}ja(d);Z=j+16|0;return 1} +function Cd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;c=F[a+4>>2];e=F[a>>2];f=(c-e|0)/144|0;if(f>>>0>>0){e=a;b=b-f|0;h=F[a+8>>2];c=F[a+4>>2];a:{if(b>>>0<=(h-c|0)/144>>>0){b:{if(!b){break b}a=c;f=b&7;if(f){while(1){va(a);a=a+144|0;d=d+1|0;if((f|0)!=(d|0)){continue}break}}c=L(b,144)+c|0;if((b-1&268435455)>>>0<7){break b}while(1){va(a);va(a+144|0);va(a+288|0);va(a+432|0);va(a+576|0);va(a+720|0);va(a+864|0);va(a+1008|0);a=a+1152|0;if((c|0)!=(a|0)){continue}break}}F[e+4>>2]=c;break a}c:{d:{e:{a=c;c=F[e>>2];i=(a-c|0)/144|0;a=i+b|0;if(a>>>0<29826162){c=(h-c|0)/144|0;f=c<<1;f=c>>>0>=14913080?29826161:a>>>0>>0?f:a;if(f){if(f>>>0>=29826162){break e}g=ka(L(f,144))}c=L(i,144)+g|0;a=c;h=b&7;if(h){while(1){va(a);a=a+144|0;d=d+1|0;if((h|0)!=(d|0)){continue}break}}h=L(b,144)+c|0;if((b-1&268435455)>>>0>=7){while(1){va(a);va(a+144|0);va(a+288|0);va(a+432|0);va(a+576|0);va(a+720|0);va(a+864|0);va(a+1008|0);a=a+1152|0;if((h|0)!=(a|0)){continue}break}}b=L(f,144)+g|0;d=F[e+4>>2];f=F[e>>2];if((d|0)==(f|0)){break d}while(1){c=c-144|0;d=d-144|0;a=d;F[c>>2]=F[a>>2];F[c+4>>2]=F[a+4>>2];F[c+8>>2]=F[a+8>>2];F[c+12>>2]=F[a+12>>2];F[a+12>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[c+16>>2]=F[a+16>>2];F[c+20>>2]=F[a+20>>2];F[c+24>>2]=F[a+24>>2];F[a+24>>2]=0;F[a+16>>2]=0;F[a+20>>2]=0;g=G[a+28|0];F[c+40>>2]=0;F[c+32>>2]=0;F[c+36>>2]=0;D[c+28|0]=g;F[c+32>>2]=F[a+32>>2];F[c+36>>2]=F[a+36>>2];F[c+40>>2]=F[a+40>>2];F[a+40>>2]=0;F[a+32>>2]=0;F[a+36>>2]=0;F[c+52>>2]=0;F[c+44>>2]=0;F[c+48>>2]=0;F[c+44>>2]=F[a+44>>2];F[c+48>>2]=F[a+48>>2];F[c+52>>2]=F[a+52>>2];F[a+52>>2]=0;F[a+44>>2]=0;F[a+48>>2]=0;g=c- -64|0;F[g>>2]=0;F[c+56>>2]=0;F[c+60>>2]=0;F[c+56>>2]=F[a+56>>2];F[c+60>>2]=F[a+60>>2];i=g;g=a- -64|0;F[i>>2]=F[g>>2];F[g>>2]=0;F[a+56>>2]=0;F[a+60>>2]=0;F[c+68>>2]=F[a+68>>2];g=F[a+72>>2];F[c+84>>2]=0;F[c+76>>2]=0;F[c+80>>2]=0;F[c+72>>2]=g;F[c+76>>2]=F[a+76>>2];F[c+80>>2]=F[a+80>>2];F[c+84>>2]=F[a+84>>2];F[a+84>>2]=0;F[a+76>>2]=0;F[a+80>>2]=0;F[c+96>>2]=0;F[c+88>>2]=0;F[c+92>>2]=0;F[c+88>>2]=F[a+88>>2];F[c+92>>2]=F[a+92>>2];F[c+96>>2]=F[a+96>>2];F[a+96>>2]=0;F[a+88>>2]=0;F[a+92>>2]=0;g=G[a+100|0];F[c+112>>2]=0;F[c+104>>2]=0;F[c+108>>2]=0;D[c+100|0]=g;F[c+104>>2]=F[a+104>>2];F[c+108>>2]=F[a+108>>2];F[c+112>>2]=F[a+112>>2];F[a+112>>2]=0;F[a+104>>2]=0;F[a+108>>2]=0;F[c+124>>2]=0;F[c+116>>2]=0;F[c+120>>2]=0;F[c+116>>2]=F[a+116>>2];F[c+120>>2]=F[a+120>>2];F[c+124>>2]=F[a+124>>2];F[a+124>>2]=0;F[a+116>>2]=0;F[a+120>>2]=0;g=F[a+128>>2];F[c+140>>2]=0;F[c+132>>2]=0;F[c+136>>2]=0;F[c+128>>2]=g;F[c+132>>2]=F[a+132>>2];F[c+136>>2]=F[a+136>>2];F[c+140>>2]=F[a+140>>2];F[a+140>>2]=0;F[a+132>>2]=0;F[a+136>>2]=0;if((a|0)!=(f|0)){continue}break}F[e+8>>2]=b;a=F[e+4>>2];F[e+4>>2]=h;d=F[e>>2];F[e>>2]=c;if((a|0)==(d|0)){break c}while(1){b=a-144|0;c=F[b+132>>2];if(c){F[a-8>>2]=c;ja(c)}c=F[a-28>>2];if(c){F[a-24>>2]=c;ja(c)}c=F[a-40>>2];if(c){F[a-36>>2]=c;ja(c)}Gb(a-140|0);a=b;if((d|0)!=(a|0)){continue}break}break c}na();v()}oa();v()}F[e+8>>2]=b;F[e+4>>2]=h;F[e>>2]=c}if(d){ja(d)}}return}if(b>>>0>>0){e=e+L(b,144)|0;if((e|0)!=(c|0)){while(1){b=c-144|0;d=F[b+132>>2];if(d){F[c-8>>2]=d;ja(d)}d=F[c-28>>2];if(d){F[c-24>>2]=d;ja(d)}d=F[c-40>>2];if(d){F[c-36>>2]=d;ja(d)}Gb(c-140|0);c=b;if((e|0)!=(c|0)){continue}break}}F[a+4>>2]=e}}function Yc(a){var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;F[a+56>>2]=F[a+52>>2];F[a+44>>2]=F[a+40>>2];b=F[a+64>>2];c=F[b+24>>2];if((c|0)==F[b+28>>2]){return 1}a:{b:{c:{while(1){g=i;i=F[(k<<2)+c>>2];d:{if((i|0)==-1){i=g;break d}b=F[a+56>>2];e:{if((b|0)!=F[a+60>>2]){F[b>>2]=g;F[a+56>>2]=b+4;break e}d=F[a+52>>2];e=b-d|0;h=e>>2;c=h+1|0;if(c>>>0>=1073741824){break c}f=e>>>1|0;f=e>>>0>=2147483644?1073741823:c>>>0>>0?f:c;if(f){if(f>>>0>=1073741824){break b}e=ka(f<<2)}else{e=0}c=e+(h<<2)|0;F[c>>2]=g;h=c+4|0;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;F[c>>2]=F[b>>2];if((b|0)!=(d|0)){continue}break}}F[a+60>>2]=e+(f<<2);F[a+56>>2]=h;F[a+52>>2]=c;if(!d){break e}ja(d)}f:{g:{if(!(F[F[a+12>>2]+(k>>>3&536870908)>>2]>>>k&1)){break g}e=i+1|0;e=(e>>>0)%3|0?e:i-2|0;if((e|0)==-1|F[F[a>>2]+(e>>>3&536870908)>>2]>>>e&1){break g}e=F[F[F[a+64>>2]+12>>2]+(e<<2)>>2];if((e|0)==-1){break g}b=e+1|0;b=(b>>>0)%3|0?b:e-2|0;if((b|0)==-1){break g}c=F[a+64>>2];f=F[a>>2];while(1){e=b;b=-1;d=e+1|0;d=(d>>>0)%3|0?d:e-2|0;h:{if((d|0)==-1|F[f+(d>>>3&536870908)>>2]>>>d&1){break h}d=F[F[c+12>>2]+(d<<2)>>2];if((d|0)==-1){break h}b=d+1|0;b=(b>>>0)%3|0?b:d-2|0}if((b|0)!=(i|0)){if((b|0)==-1){break f}continue}break}return 0}e=i}F[F[a+28>>2]+(e<<2)>>2]=g;b=F[a+44>>2];i:{if((b|0)!=F[a+48>>2]){F[b>>2]=e;F[a+44>>2]=b+4;break i}d=F[a+40>>2];i=b-d|0;h=i>>2;c=h+1|0;if(c>>>0>=1073741824){break a}f=i>>>1|0;f=i>>>0>=2147483644?1073741823:c>>>0>>0?f:c;if(f){if(f>>>0>=1073741824){break b}i=ka(f<<2)}else{i=0}c=i+(h<<2)|0;F[c>>2]=e;h=c+4|0;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;F[c>>2]=F[b>>2];if((b|0)!=(d|0)){continue}break}}F[a+48>>2]=i+(f<<2);F[a+44>>2]=h;F[a+40>>2]=c;if(!d){break i}ja(d)}i=g+1|0;b=F[a+64>>2];if((e|0)==-1){break d}j:{if((e>>>0)%3|0){c=e-1|0;break j}c=e+2|0;if((c|0)==-1){break d}}d=F[F[b+12>>2]+(c<<2)>>2];if((d|0)==-1){break d}f=d+((d>>>0)%3|0?-1:2)|0;if((f|0)==-1|(e|0)==(f|0)){break d}while(1){b=f+1|0;b=(b>>>0)%3|0?b:f-2|0;if(F[F[a>>2]+(b>>>3&536870908)>>2]>>>b&1){b=F[a+56>>2];k:{if((b|0)!=F[a+60>>2]){F[b>>2]=i;F[a+56>>2]=b+4;break k}d=F[a+52>>2];g=b-d|0;j=g>>2;c=j+1|0;if(c>>>0>=1073741824){break c}h=g>>>1|0;h=g>>>0>=2147483644?1073741823:c>>>0>>0?h:c;if(h){if(h>>>0>=1073741824){break b}g=ka(h<<2)}else{g=0}c=g+(j<<2)|0;F[c>>2]=i;j=c+4|0;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;F[c>>2]=F[b>>2];if((b|0)!=(d|0)){continue}break}}F[a+60>>2]=g+(h<<2);F[a+56>>2]=j;F[a+52>>2]=c;if(!d){break k}ja(d)}d=i+1|0;b=F[a+44>>2];l:{if((b|0)!=F[a+48>>2]){F[b>>2]=f;F[a+44>>2]=b+4;break l}h=F[a+40>>2];g=b-h|0;l=g>>2;c=l+1|0;if(c>>>0>=1073741824){break a}j=g>>>1|0;j=g>>>0>=2147483644?1073741823:c>>>0>>0?j:c;if(j){if(j>>>0>=1073741824){break b}g=ka(j<<2)}else{g=0}c=g+(l<<2)|0;F[c>>2]=f;l=c+4|0;if((b|0)!=(h|0)){while(1){c=c-4|0;b=b-4|0;F[c>>2]=F[b>>2];if((b|0)!=(h|0)){continue}break}}F[a+48>>2]=g+(j<<2);F[a+44>>2]=l;F[a+40>>2]=c;if(!h){break l}ja(h)}g=i;i=d}F[F[a+28>>2]+(f<<2)>>2]=g;b=F[a+64>>2];m:{if((f>>>0)%3|0){c=f-1|0;break m}c=f+2|0;if((c|0)==-1){break d}}d=F[F[b+12>>2]+(c<<2)>>2];if((d|0)==-1){break d}f=d+((d>>>0)%3|0?-1:2)|0;if((f|0)==-1){break d}if((e|0)!=(f|0)){continue}break}}k=k+1|0;c=F[b+24>>2];if(k>>>0>2]-c>>2>>>0){continue}break}return 1}na();v()}oa();v()}na();v()}function Kb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0,x=0,y=0;f=Z-96|0;Z=f;e=F[a+16>>2];D[f+92|0]=1;F[f+88>>2]=b;F[f+84>>2]=b;F[f+80>>2]=e;a:{if((b|0)==-1){break a}j=F[a+20>>2];d=F[j>>2];e=F[F[e>>2]+(b<<2)>>2];if(e>>>0>=F[j+4>>2]-d>>2>>>0){break a}e=F[F[a+8>>2]+(F[d+(e<<2)>>2]<<2)>>2];d=F[a+4>>2];if(!G[d+84|0]){e=F[F[d+68>>2]+(e<<2)>>2]}F[f+72>>2]=0;F[f+76>>2]=0;j=f- -64|0;F[j>>2]=0;F[j+4>>2]=0;F[f+56>>2]=0;F[f+60>>2]=0;Ga(d,e,D[d+24|0],f+56|0);e=b+1|0;j=(e>>>0)%3|0?e:b-2|0;n=((b>>>0)%3|0?-1:2)+b|0;b:{c:{while(1){d=j;e=n;d:{if(!F[a+28>>2]){break d}e=b+1|0;d=(e>>>0)%3|0?e:b-2|0;e=b-1|0;if((b>>>0)%3|0){break d}e=b+2|0}if((d|0)==-1){break b}m=F[a+20>>2];b=F[m>>2];d=F[F[F[a+16>>2]>>2]+(d<<2)>>2];if(d>>>0>=F[m+4>>2]-b>>2>>>0){break b}d=F[F[a+8>>2]+(F[(d<<2)+b>>2]<<2)>>2];b=F[a+4>>2];if(!G[b+84|0]){d=F[F[b+68>>2]+(d<<2)>>2]}F[f+48>>2]=0;F[f+52>>2]=0;F[f+40>>2]=0;F[f+44>>2]=0;F[f+32>>2]=0;F[f+36>>2]=0;Ga(b,d,D[b+24|0],f+32|0);if((e|0)==-1){break c}d=F[a+20>>2];b=F[d>>2];e=F[F[F[a+16>>2]>>2]+(e<<2)>>2];if(e>>>0>=F[d+4>>2]-b>>2>>>0){break c}d=F[F[a+8>>2]+(F[b+(e<<2)>>2]<<2)>>2];b=F[a+4>>2];if(!G[b+84|0]){d=F[F[b+68>>2]+(d<<2)>>2]}F[f+24>>2]=0;F[f+28>>2]=0;F[f+16>>2]=0;F[f+20>>2]=0;F[f+8>>2]=0;F[f+12>>2]=0;Ga(b,d,D[b+24|0],f+8|0);g=F[f+8>>2];b=F[f+56>>2];d=g-b|0;p=F[f+60>>2];t=F[f+12>>2]-(p+(b>>>0>g>>>0)|0)|0;i=F[f+40>>2];e=F[f+64>>2];m=i-e|0;u=F[f+68>>2];y=F[f+44>>2]-(u+(e>>>0>i>>>0)|0)|0;g=ki(d,t,m,y);w=o-g|0;x=h-(_+(g>>>0>o>>>0)|0)|0;h=w;i=F[f+16>>2];g=i-e|0;u=F[f+20>>2]-((e>>>0>i>>>0)+u|0)|0;k=F[f+32>>2];i=k-b|0;w=F[f+36>>2]-((b>>>0>k>>>0)+p|0)|0;b=ki(g,u,i,w);o=h+b|0;h=_+x|0;h=b>>>0>o>>>0?h+1|0:h;b=l;l=d;p=t;k=F[f+48>>2];e=F[f+72>>2];d=k-e|0;t=F[f+76>>2];x=F[f+52>>2]-(t+(e>>>0>k>>>0)|0)|0;l=ki(l,p,d,x);k=b+l|0;b=_+q|0;b=k>>>0>>0?b+1|0:b;l=F[f+24>>2];p=l-e|0;e=F[f+28>>2]-((e>>>0>l>>>0)+t|0)|0;q=ki(p,e,i,w);l=k-q|0;q=b-(_+(k>>>0>>0)|0)|0;b=ki(g,u,d,x);d=r-b|0;b=s-(_+(b>>>0>r>>>0)|0)|0;s=ki(p,e,m,y);r=s+d|0;b=_+b|0;s=r>>>0>>0?b+1|0:b;nc(f+80|0);b=F[f+88>>2];if((b|0)!=-1){continue}break}b=s>>31;e=b^r;d=e-b|0;b=(b^s)-((b>>>0>e>>>0)+b|0)|0;n=-1;e=2147483647;m=q>>31;g=m;i=g^l;j=i-g|0;m=(g^q)-((i>>>0>>0)+g|0)|0;i=m;k=j^-1;g=i^2147483647;m=h;e:{f:{if(!F[a+28>>2]){if((b|0)==(g|0)&d>>>0>k>>>0|b>>>0>g>>>0){break e}b=b+i|0;a=d+j|0;b=a>>>0>>0?b+1|0:b;e=a;g=h;a=g>>31;d=a;n=d^o;a=n-d|0;h=a;d=(d^g)-((d>>>0>n>>>0)+d|0)|0;a=a+e|0;d=d^2147483647;h=(d|0)==(b|0)&(h^-1)>>>0>>0|b>>>0>d>>>0;a=h?-1:a;if(!(h&0)&(a|0)<=536870912|(a|0)<536870912){break e}b=0;a=a>>>29|0;break f}g:{if((b|0)==(g|0)&d>>>0>k>>>0|b>>>0>g>>>0){break g}b=b+i|0;a=d+j|0;b=a>>>0>>0?b+1|0:b;k=h;h=h>>31;g=h;i=g^o;h=i-g|0;j=(g^k)-((g>>>0>i>>>0)+g|0)|0;g=j^2147483647;d=a;a=h;if((g|0)==(b|0)&d>>>0>(a^-1)>>>0|b>>>0>g>>>0){break g}b=b+j|0;n=a+d|0;b=n>>>0>>0?b+1|0:b;e=b;if(!b&n>>>0<536870913){break e}}b=e>>>29|0;a=(e&536870911)<<3|n>>>29}o=li(o,m,a,b);l=li(l,q,a,b);r=li(r,s,a,b)}F[c+8>>2]=o;F[c+4>>2]=l;F[c>>2]=r;Z=f+96|0;return}ta();v()}ta();v()}ta();v()}function Nc(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;a:{if((b|0)<0){break a}c=F[a+12>>2];d=F[a+8>>2];if(c-d>>2>>>0<=b>>>0){break a}d=d+(b<<2)|0;e=F[d>>2];i=F[e+60>>2];f=F[e+56>>2];e=d+4|0;if((e|0)!=(c|0)){while(1){h=F[e>>2];F[e>>2]=0;g=F[d>>2];F[d>>2]=h;if(g){xa(g)}d=d+4|0;e=e+4|0;if((e|0)!=(c|0)){continue}break}c=F[a+12>>2]}if((c|0)!=(d|0)){while(1){c=c-4|0;e=F[c>>2];F[c>>2]=0;if(e){xa(e)}if((c|0)!=(d|0)){continue}break}}F[a+12>>2]=d;g=F[a+4>>2];b:{if(!g|(i|0)<0){break b}c=F[g+24>>2];d=F[g+28>>2];if((c|0)==(d|0)){break b}while(1){if((i|0)==F[F[c>>2]+24>>2]){d=c+4|0;i=F[g+28>>2];if((d|0)!=(i|0)){while(1){h=F[d>>2];F[d>>2]=0;e=F[c>>2];F[c>>2]=h;if(e){Ca(e+12|0,F[e+16>>2]);Ba(e,F[e+4>>2]);ja(e)}c=c+4|0;d=d+4|0;if((i|0)!=(d|0)){continue}break}d=F[g+28>>2]}if((c|0)!=(d|0)){while(1){d=d-4|0;e=F[d>>2];F[d>>2]=0;if(e){Ca(e+12|0,F[e+16>>2]);Ba(e,F[e+4>>2]);ja(e)}if((c|0)!=(d|0)){continue}break}}F[g+28>>2]=c;break b}c=c+4|0;if((d|0)!=(c|0)){continue}break}}c:{if((f|0)>4){break c}d:{e=L(f,12)+a|0;c=F[e+20>>2];d=F[e+24>>2];if((c|0)==(d|0)){break d}while(1){if(F[c>>2]==(b|0)){break d}c=c+4|0;if((d|0)!=(c|0)){continue}break}break c}if((c|0)==(d|0)){break c}f=c;c=c+4|0;pa(f,c,d-c|0);F[e+24>>2]=d-4}c=F[a+24>>2];d=F[a+20>>2];e:{if((c|0)==(d|0)){break e}e=c-d|0;c=e>>2;g=c>>>0<=1?1:c;i=g&1;c=0;if(e>>>0>=8){g=g&-2;e=0;while(1){f=c<<2;h=f+d|0;j=F[h>>2];if((j|0)>(b|0)){F[h>>2]=j-1}f=d+(f|4)|0;h=F[f>>2];if((h|0)>(b|0)){F[f>>2]=h-1}c=c+2|0;e=e+2|0;if((g|0)!=(e|0)){continue}break}}if(!i){break e}c=d+(c<<2)|0;d=F[c>>2];if((d|0)<=(b|0)){break e}F[c>>2]=d-1}c=F[a+36>>2];d=F[a+32>>2];f:{if((c|0)==(d|0)){break f}e=c-d|0;c=e>>2;g=c>>>0<=1?1:c;i=g&1;c=0;if(e>>>0>=8){g=g&-2;e=0;while(1){f=c<<2;h=f+d|0;j=F[h>>2];if((j|0)>(b|0)){F[h>>2]=j-1}f=d+(f|4)|0;h=F[f>>2];if((h|0)>(b|0)){F[f>>2]=h-1}c=c+2|0;e=e+2|0;if((g|0)!=(e|0)){continue}break}}if(!i){break f}c=d+(c<<2)|0;d=F[c>>2];if((d|0)<=(b|0)){break f}F[c>>2]=d-1}c=F[a+48>>2];d=F[a+44>>2];g:{if((c|0)==(d|0)){break g}e=c-d|0;c=e>>2;g=c>>>0<=1?1:c;i=g&1;c=0;if(e>>>0>=8){g=g&-2;e=0;while(1){f=c<<2;h=f+d|0;j=F[h>>2];if((j|0)>(b|0)){F[h>>2]=j-1}f=d+(f|4)|0;h=F[f>>2];if((h|0)>(b|0)){F[f>>2]=h-1}c=c+2|0;e=e+2|0;if((g|0)!=(e|0)){continue}break}}if(!i){break g}c=d+(c<<2)|0;d=F[c>>2];if((d|0)<=(b|0)){break g}F[c>>2]=d-1}c=F[a+60>>2];d=F[a+56>>2];h:{if((c|0)==(d|0)){break h}e=c-d|0;c=e>>2;g=c>>>0<=1?1:c;i=g&1;c=0;if(e>>>0>=8){g=g&-2;e=0;while(1){f=c<<2;h=f+d|0;j=F[h>>2];if((j|0)>(b|0)){F[h>>2]=j-1}f=d+(f|4)|0;h=F[f>>2];if((h|0)>(b|0)){F[f>>2]=h-1}c=c+2|0;e=e+2|0;if((g|0)!=(e|0)){continue}break}}if(!i){break h}c=d+(c<<2)|0;d=F[c>>2];if((d|0)<=(b|0)){break h}F[c>>2]=d-1}c=F[a+72>>2];a=F[a+68>>2];if((c|0)==(a|0)){break a}d=c-a|0;c=d>>2;e=c>>>0<=1?1:c;g=e&1;c=0;if(d>>>0>=8){d=e&-2;e=0;while(1){i=c<<2;f=i+a|0;h=F[f>>2];if((h|0)>(b|0)){F[f>>2]=h-1}i=a+(i|4)|0;f=F[i>>2];if((f|0)>(b|0)){F[i>>2]=f-1}c=c+2|0;e=e+2|0;if((d|0)!=(e|0)){continue}break}}if(!g){break a}f=b;a=a+(c<<2)|0;b=F[a>>2];if((f|0)>=(b|0)){break a}F[a>>2]=b-1}}function ja(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;a:{if(!a){break a}d=a-8|0;b=F[a-4>>2];a=b&-8;f=d+a|0;b:{if(b&1){break b}if(!(b&3)){break a}b=F[d>>2];d=d-b|0;if(d>>>0>>0<=255){e=F[d+8>>2];b=b>>>3|0;c=F[d+12>>2];if((c|0)==(e|0)){i=11764,j=F[2941]&oi(b),F[i>>2]=j;break b}F[e+12>>2]=c;F[c+8>>2]=e;break b}h=F[d+24>>2];b=F[d+12>>2];c:{if((d|0)!=(b|0)){c=F[d+8>>2];F[c+12>>2]=b;F[b+8>>2]=c;break c}d:{e=d+20|0;c=F[e>>2];if(c){break d}e=d+16|0;c=F[e>>2];if(c){break d}b=0;break c}while(1){g=e;b=c;e=b+20|0;c=F[e>>2];if(c){continue}e=b+16|0;c=F[b+16>>2];if(c){continue}break}F[g>>2]=0}if(!h){break b}e=F[d+28>>2];c=(e<<2)+12068|0;e:{if(F[c>>2]==(d|0)){F[c>>2]=b;if(b){break e}i=11768,j=F[2942]&oi(e),F[i>>2]=j;break b}F[h+(F[h+16>>2]==(d|0)?16:20)>>2]=b;if(!b){break b}}F[b+24>>2]=h;c=F[d+16>>2];if(c){F[b+16>>2]=c;F[c+24>>2]=b}c=F[d+20>>2];if(!c){break b}F[b+20>>2]=c;F[c+24>>2]=b;break b}b=F[f+4>>2];if((b&3)!=3){break b}F[2943]=a;F[f+4>>2]=b&-2;F[d+4>>2]=a|1;F[a+d>>2]=a;return}if(d>>>0>=f>>>0){break a}b=F[f+4>>2];if(!(b&1)){break a}f:{if(!(b&2)){if(F[2947]==(f|0)){F[2947]=d;a=F[2944]+a|0;F[2944]=a;F[d+4>>2]=a|1;if(F[2946]!=(d|0)){break a}F[2943]=0;F[2946]=0;return}if(F[2946]==(f|0)){F[2946]=d;a=F[2943]+a|0;F[2943]=a;F[d+4>>2]=a|1;F[a+d>>2]=a;return}a=(b&-8)+a|0;g:{if(b>>>0<=255){e=F[f+8>>2];b=b>>>3|0;c=F[f+12>>2];if((c|0)==(e|0)){i=11764,j=F[2941]&oi(b),F[i>>2]=j;break g}F[e+12>>2]=c;F[c+8>>2]=e;break g}h=F[f+24>>2];b=F[f+12>>2];h:{if((f|0)!=(b|0)){c=F[f+8>>2];F[c+12>>2]=b;F[b+8>>2]=c;break h}i:{e=f+20|0;c=F[e>>2];if(c){break i}e=f+16|0;c=F[e>>2];if(c){break i}b=0;break h}while(1){g=e;b=c;e=b+20|0;c=F[e>>2];if(c){continue}e=b+16|0;c=F[b+16>>2];if(c){continue}break}F[g>>2]=0}if(!h){break g}e=F[f+28>>2];c=(e<<2)+12068|0;j:{if(F[c>>2]==(f|0)){F[c>>2]=b;if(b){break j}i=11768,j=F[2942]&oi(e),F[i>>2]=j;break g}F[h+(F[h+16>>2]==(f|0)?16:20)>>2]=b;if(!b){break g}}F[b+24>>2]=h;c=F[f+16>>2];if(c){F[b+16>>2]=c;F[c+24>>2]=b}c=F[f+20>>2];if(!c){break g}F[b+20>>2]=c;F[c+24>>2]=b}F[d+4>>2]=a|1;F[a+d>>2]=a;if(F[2946]!=(d|0)){break f}F[2943]=a;return}F[f+4>>2]=b&-2;F[d+4>>2]=a|1;F[a+d>>2]=a}if(a>>>0<=255){b=(a&-8)+11804|0;c=F[2941];a=1<<(a>>>3);k:{if(!(c&a)){F[2941]=a|c;a=b;break k}a=F[b+8>>2]}F[b+8>>2]=d;F[a+12>>2]=d;F[d+12>>2]=b;F[d+8>>2]=a;return}e=31;if(a>>>0<=16777215){b=O(a>>>8|0);e=((a>>>38-b&1)-(b<<1)|0)+62|0}F[d+28>>2]=e;F[d+16>>2]=0;F[d+20>>2]=0;g=(e<<2)+12068|0;l:{m:{c=F[2942];b=1<>2]=d;F[d+24>>2]=g;break n}e=a<<((e|0)!=31?25-(e>>>1|0)|0:0);b=F[g>>2];while(1){c=b;if((F[b+4>>2]&-8)==(a|0)){break m}b=e>>>29|0;e=e<<1;g=c+(b&4)|0;b=F[g+16>>2];if(b){continue}break}F[g+16>>2]=d;F[d+24>>2]=c}F[d+12>>2]=d;F[d+8>>2]=d;break l}a=F[c+8>>2];F[a+12>>2]=d;F[c+8>>2]=d;F[d+24>>2]=0;F[d+12>>2]=c;F[d+8>>2]=a}a=F[2949]-1|0;F[2949]=a?a:-1}}function di(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;F[a+8>>2]=e;n=a+32|0;h=F[n>>2];f=F[a+36>>2]-h>>2;a:{if(f>>>0>>0){qa(n,e-f|0);d=F[a+8>>2];break a}d=e;if(d>>>0>=f>>>0){break a}F[a+36>>2]=h+(e<<2);d=e}s=F[a+52>>2];p=F[a+48>>2];f=0;h=e>>>0>1073741823?-1:e<<2;m=ma(ka(h),0,h);b:{if((d|0)<=0){break b}g=F[a+32>>2];while(1){d=f<<2;h=F[d+m>>2];j=F[a+16>>2];c:{if((h|0)>(j|0)){F[d+g>>2]=j;break c}d=d+g|0;j=F[a+12>>2];if((j|0)>(h|0)){F[d>>2]=j;break c}F[d>>2]=h}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}if((d|0)<=0){break b}f=0;while(1){h=f<<2;d=h+c|0;h=F[b+h>>2]+F[g+h>>2]|0;F[d>>2]=h;d:{if((h|0)>F[a+16>>2]){i=h-F[a+20>>2]|0}else{if((h|0)>=F[a+12>>2]){break d}i=h+F[a+20>>2]|0}F[d>>2]=i}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}f=F[a+56>>2];q=F[f>>2];f=F[f+4>>2]-q|0;if((f|0)>=5){o=f>>>2|0;t=o>>>0<=2?2:o;u=e&-2;w=e&1;h=1;while(1){e:{f:{if((h|0)!=(o|0)){r=L(e,h);f=F[(h<<2)+q>>2];if((f|0)==-1){break f}f=F[F[p+12>>2]+(f<<2)>>2];if((f|0)==-1){break f}j=F[s>>2];g=F[p>>2];k=F[j+(F[g+(f<<2)>>2]<<2)>>2];i=f+1|0;i=(i>>>0)%3|0?i:f-2|0;if((i|0)!=-1){i=F[g+(i<<2)>>2]}else{i=-1}g:{h:{if((f>>>0)%3|0){f=f-1|0;break h}f=f+2|0;l=-1;if((f|0)==-1){break g}}l=F[g+(f<<2)>>2]}if((h|0)<=(k|0)){break f}f=F[(i<<2)+j>>2];if((f|0)>=(h|0)){break f}g=F[j+(l<<2)>>2];if((g|0)>=(h|0)){break f}i:{if((e|0)<=0){break i}g=L(e,g);j=L(e,f);k=L(e,k);f=0;l=0;if((e|0)!=1){while(1){F[(f<<2)+m>>2]=(F[(f+g<<2)+c>>2]+F[(f+j<<2)+c>>2]|0)-F[(f+k<<2)+c>>2];i=f|1;F[(i<<2)+m>>2]=(F[(g+i<<2)+c>>2]+F[(j+i<<2)+c>>2]|0)-F[(i+k<<2)+c>>2];f=f+2|0;l=l+2|0;if((u|0)!=(l|0)){continue}break}}if(!w){break i}F[(f<<2)+m>>2]=(F[(f+g<<2)+c>>2]+F[(f+j<<2)+c>>2]|0)-F[(f+k<<2)+c>>2]}if((d|0)<=0){break e}j=F[n>>2];f=0;while(1){d=f<<2;g=F[d+m>>2];k=F[a+16>>2];j:{if((g|0)>(k|0)){F[d+j>>2]=k;break j}d=d+j|0;k=F[a+12>>2];if((k|0)>(g|0)){F[d>>2]=k;break j}F[d>>2]=g}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}f=0;if((d|0)<=0){break e}d=r<<2;k=d+c|0;i=b+d|0;while(1){g=f<<2;d=g+k|0;g=F[g+i>>2]+F[g+j>>2]|0;F[d>>2]=g;k:{if((g|0)>F[a+16>>2]){l=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break k}l=g+F[a+20>>2]|0}F[d>>2]=l}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}break e}ta();v()}if((d|0)<=0){break e}k=(L(h-1|0,e)<<2)+c|0;j=F[n>>2];f=0;while(1){d=f<<2;g=F[d+k>>2];i=F[a+16>>2];l:{if((g|0)>(i|0)){F[d+j>>2]=i;break l}d=d+j|0;i=F[a+12>>2];if((i|0)>(g|0)){F[d>>2]=i;break l}F[d>>2]=g}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}f=0;if((d|0)<=0){break e}d=r<<2;k=d+c|0;i=b+d|0;while(1){g=f<<2;d=g+k|0;g=F[g+i>>2]+F[g+j>>2]|0;F[d>>2]=g;m:{if((g|0)>F[a+16>>2]){l=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break m}l=g+F[a+20>>2]|0}F[d>>2]=l}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}h=h+1|0;if((t|0)!=(h|0)){continue}break}}ja(m);return 1}function od(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;if((b|0)==-1){return 1}g=(b>>>0)/3|0;if(!(F[F[a+24>>2]+(g>>>3&268435452)>>2]>>>g&1)){e=F[a+48>>2];F[a+52>>2]=e;a:{if((e|0)!=F[a+56>>2]){F[e>>2]=b;F[a+52>>2]=e+4;break a}d=ka(4);F[d>>2]=b;c=d+4|0;F[a+56>>2]=c;F[a+52>>2]=c;F[a+48>>2]=d;if(!e){break a}ja(e)}c=b+1|0;i=(c>>>0)%3|0?c:b-2|0;c=F[F[a+4>>2]+28>>2];k=F[(i<<2)+c>>2];if((k|0)==-1){return 0}e=(b-L(g,3)|0?-1:2)+b|0;j=F[c+(e<<2)>>2];if((j|0)==-1){return 0}b=F[a+36>>2];g=b+(k>>>3&536870908)|0;d=F[g>>2];c=1<>2]=c|d;Ka(a+8|0,k,i);b=F[a+36>>2]}d=(j>>>3&536870908)+b|0;c=F[d>>2];b=1<>2]=b|c;Ka(a+8|0,j,e)}f=F[a+52>>2];if((f|0)==F[a+48>>2]){return 1}k=a+8|0;while(1){b:{c:{f=f-4|0;b=F[f>>2];if((b|0)==-1){break c}c=(b>>>0)/3|0;g=F[a+24>>2]+(c>>>3&268435452)|0;d=F[g>>2];c=1<>2]=c|d;h=F[a+4>>2];c=F[F[h+28>>2]+(b<<2)>>2];if((c|0)==-1){return 0}while(1){d=b;d:{e:{j=F[a+36>>2]+(c>>>3&536870908)|0;i=F[j>>2];e=1<>2]+(c<<2)>>2];g:{if((g|0)==-1){break g}b=g+1|0;b=(b>>>0)%3|0?b:g-2|0;if((b|0)==-1|F[F[h>>2]+(b>>>3&536870908)>>2]>>>b&1){break g}g=F[F[F[h+64>>2]+12>>2]+(b<<2)>>2];if((g|0)!=-1){break f}}F[j>>2]=e|i;Ka(k,c,d);h=F[a+4>>2];break e}F[j>>2]=e|i;Ka(k,c,d);h=F[a+4>>2];b=g+1|0;if((((b>>>0)%3|0?b:g-2|0)|0)==-1){break e}b=-1;h:{if((d|0)==-1){break h}c=d+1|0;c=(c>>>0)%3|0?c:d-2|0;if((c|0)==-1|F[F[h>>2]+(c>>>3&536870908)>>2]>>>c&1){break h}b=F[F[F[h+64>>2]+12>>2]+(c<<2)>>2]}c=(b>>>0)/3|0;d=1<>2];e=c>>>5|0;j=F[f+(e<<2)>>2];break d}i:{j:{if((d|0)==-1){break j}c=-1;b=d+1|0;b=(b>>>0)%3|0?b:d-2|0;if(!((b|0)==-1|F[F[h>>2]+(b>>>3&536870908)>>2]>>>b&1)){c=F[F[F[h+64>>2]+12>>2]+(b<<2)>>2]}k:{l:{if((d>>>0)%3|0){f=d-1|0;break l}f=d+2|0;b=-1;if((f|0)==-1){break k}}b=-1;if(F[F[h>>2]+(f>>>3&536870908)>>2]>>>f&1){break k}b=F[F[F[h+64>>2]+12>>2]+(f<<2)>>2]}g=(b|0)==-1;i=g?-1:(b>>>0)/3|0;if((c|0)!=-1){f=F[a+24>>2];d=(c>>>0)/3|0;e=d>>>5|0;j=F[f+(e<<2)>>2];d=1<>2];e=i>>>5|0;j=F[f+(e<<2)>>2];if(!(d&j)){break d}}f=F[a+52>>2]-4|0;F[a+52>>2]=f;break b}if(g){b=c;break d}if(F[(i>>>3&536870908)+f>>2]>>>i&1){b=c;break d}h=F[a+52>>2];F[h-4>>2]=b;if(F[a+56>>2]!=(h|0)){F[h>>2]=c;f=h+4|0;break c}m:{i=F[a+48>>2];e=h-i|0;g=e>>2;d=g+1|0;if(d>>>0<1073741824){b=e>>>1|0;e=e>>>0>=2147483644?1073741823:b>>>0>d>>>0?b:d;if(e){if(e>>>0>=1073741824){break m}d=ka(e<<2)}else{d=0}b=d+(g<<2)|0;F[b>>2]=c;f=b+4|0;if((h|0)!=(i|0)){while(1){b=b-4|0;h=h-4|0;F[b>>2]=F[h>>2];if((h|0)!=(i|0)){continue}break}}F[a+56>>2]=d+(e<<2);F[a+52>>2]=f;F[a+48>>2]=b;if(!i){break b}ja(i);f=F[a+52>>2];break b}na();v()}oa();v()}F[(e<<2)+f>>2]=d|j;c=F[F[h+28>>2]+(b<<2)>>2];if((c|0)!=-1){continue}break}return 0}F[a+52>>2]=f}if(F[a+48>>2]!=(f|0)){continue}break}}return 1}function he(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,w=0;F[a+8>>2]=e;m=a+32|0;h=F[m>>2];f=F[a+36>>2]-h>>2;a:{if(f>>>0>>0){qa(m,e-f|0);d=F[a+8>>2];break a}d=e;if(d>>>0>=f>>>0){break a}F[a+36>>2]=h+(e<<2);d=e}s=F[a+52>>2];n=F[a+48>>2];f=0;h=e>>>0>1073741823?-1:e<<2;l=ma(ka(h),0,h);b:{if((d|0)<=0){break b}g=F[a+32>>2];while(1){d=f<<2;h=F[d+l>>2];i=F[a+16>>2];c:{if((h|0)>(i|0)){F[d+g>>2]=i;break c}d=d+g|0;i=F[a+12>>2];if((i|0)>(h|0)){F[d>>2]=i;break c}F[d>>2]=h}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}if((d|0)<=0){break b}f=0;while(1){h=f<<2;d=h+c|0;h=F[b+h>>2]+F[g+h>>2]|0;F[d>>2]=h;d:{if((h|0)>F[a+16>>2]){h=h-F[a+20>>2]|0}else{if((h|0)>=F[a+12>>2]){break d}h=h+F[a+20>>2]|0}F[d>>2]=h}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}f=F[a+56>>2];q=F[f>>2];f=F[f+4>>2]-q|0;if((f|0)>=5){o=f>>>2|0;t=o>>>0<=2?2:o;u=e&-2;w=e&1;h=1;while(1){e:{f:{if((h|0)!=(o|0)){r=L(e,h);f=F[(h<<2)+q>>2];if((f|0)==-1|F[F[n>>2]+(f>>>3&536870908)>>2]>>>f&1){break f}f=F[F[F[n+64>>2]+12>>2]+(f<<2)>>2];if((f|0)==-1){break f}i=F[s>>2];g=F[n+28>>2];k=F[i+(F[g+(f<<2)>>2]<<2)>>2];if((k|0)>=(h|0)){break f}j=f+1|0;j=F[i+(F[g+(((j>>>0)%3|0?j:f-2|0)<<2)>>2]<<2)>>2];if((j|0)>=(h|0)){break f}f=F[i+(F[g+(f+((f>>>0)%3|0?-1:2)<<2)>>2]<<2)>>2];if((f|0)>=(h|0)){break f}g:{if((e|0)<=0){break g}g=L(e,f);i=L(e,j);k=L(e,k);f=0;p=0;if((e|0)!=1){while(1){F[(f<<2)+l>>2]=(F[(f+g<<2)+c>>2]+F[(f+i<<2)+c>>2]|0)-F[(f+k<<2)+c>>2];j=f|1;F[(j<<2)+l>>2]=(F[(g+j<<2)+c>>2]+F[(i+j<<2)+c>>2]|0)-F[(k+j<<2)+c>>2];f=f+2|0;p=p+2|0;if((u|0)!=(p|0)){continue}break}}if(!w){break g}F[(f<<2)+l>>2]=(F[(f+g<<2)+c>>2]+F[(f+i<<2)+c>>2]|0)-F[(f+k<<2)+c>>2]}if((d|0)<=0){break e}i=F[m>>2];f=0;while(1){d=f<<2;g=F[d+l>>2];k=F[a+16>>2];h:{if((g|0)>(k|0)){F[d+i>>2]=k;break h}d=d+i|0;k=F[a+12>>2];if((k|0)>(g|0)){F[d>>2]=k;break h}F[d>>2]=g}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}f=0;if((d|0)<=0){break e}d=r<<2;k=d+c|0;j=b+d|0;while(1){g=f<<2;d=g+k|0;g=F[g+j>>2]+F[g+i>>2]|0;F[d>>2]=g;i:{if((g|0)>F[a+16>>2]){g=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break i}g=g+F[a+20>>2]|0}F[d>>2]=g}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}break e}ta();v()}if((d|0)<=0){break e}k=(L(h-1|0,e)<<2)+c|0;i=F[m>>2];f=0;while(1){d=f<<2;g=F[d+k>>2];j=F[a+16>>2];j:{if((g|0)>(j|0)){F[d+i>>2]=j;break j}d=d+i|0;j=F[a+12>>2];if((j|0)>(g|0)){F[d>>2]=j;break j}F[d>>2]=g}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}f=0;if((d|0)<=0){break e}d=r<<2;k=d+c|0;j=b+d|0;while(1){g=f<<2;d=g+k|0;g=F[g+j>>2]+F[g+i>>2]|0;F[d>>2]=g;k:{if((g|0)>F[a+16>>2]){g=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break k}g=g+F[a+20>>2]|0}F[d>>2]=g}d=F[a+8>>2];f=f+1|0;if((d|0)>(f|0)){continue}break}}h=h+1|0;if((t|0)!=(h|0)){continue}break}}ja(l);return 1}function Fb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=M(0),k=0,l=0,m=M(0);i=F[c>>2];a:{b:{f=F[b+4>>2];if(!f){break b}g=ni(f);c:{if(g>>>0>=2){e=i;if(f>>>0<=e>>>0){e=(i>>>0)%(f>>>0)|0}c=F[F[b>>2]+(e<<2)>>2];if(!c){break b}if(g>>>0<=1){break c}while(1){c=F[c>>2];if(!c){break b}g=F[c+4>>2];if((g|0)!=(i|0)){if(f>>>0<=g>>>0){g=(g>>>0)%(f>>>0)|0}if((e|0)!=(g|0)){break b}}if(F[c+8>>2]!=(i|0)){continue}break}b=0;break a}e=f-1&i;c=F[F[b>>2]+(e<<2)>>2];if(!c){break b}}h=f-1|0;while(1){c=F[c>>2];if(!c){break b}g=F[c+4>>2];if((g|0)!=(i|0)&(g&h)!=(e|0)){break b}if(F[c+8>>2]!=(i|0)){continue}break}b=0;break a}c=ka(16);d=F[F[d>>2]>>2];F[c+12>>2]=0;F[c+8>>2]=d;F[c+4>>2]=i;F[c>>2]=0;m=M(F[b+12>>2]+1>>>0);j=J[b+16>>2];d:{if(m>M(j*M(f>>>0))?0:f){break d}e=2;d=(f-1&f)!=0|f>>>0<3|f<<1;j=M(S(M(m/j)));e:{if(j=M(0)){g=~~j>>>0;break e}g=0}d=d>>>0>g>>>0?d:g;f:{if((d|0)==1){break f}if(!(d&d-1)){e=d;break f}e=Mc(d);f=F[b+4>>2]}g:{if(e>>>0<=f>>>0){if(e>>>0>=f>>>0){break g}g=f>>>0<3;j=M(S(M(M(I[b+12>>2])/J[b+16>>2])));h:{if(j=M(0)){d=~~j>>>0;break h}d=0}i:{j:{if(g){break j}if(ni(f)>>>0>1){break j}d=d>>>0<2?d:1<<32-O(d-1|0);break i}d=Mc(d)}e=d>>>0>>0?e:d;if(f>>>0<=e>>>0){break g}}f=0;g=0;h=e;k:{l:{m:{n:{if(e){if(h>>>0>=1073741824){break n}d=ka(h<<2);e=F[b>>2];F[b>>2]=d;if(e){ja(e)}F[b+4>>2]=h;d=0;if(h>>>0>=4){e=h&-4;while(1){k=d<<2;F[k+F[b>>2]>>2]=0;F[F[b>>2]+(k|4)>>2]=0;F[F[b>>2]+(k|8)>>2]=0;F[F[b>>2]+(k|12)>>2]=0;d=d+4|0;g=g+4|0;if((e|0)!=(g|0)){continue}break}}e=h&3;if(e){while(1){F[F[b>>2]+(d<<2)>>2]=0;d=d+1|0;f=f+1|0;if((e|0)!=(f|0)){continue}break}}e=F[b+8>>2];if(!e){break k}d=b+8|0;f=F[e+4>>2];g=ni(h);if(g>>>0<2){break m}f=f>>>0>=h>>>0?(f>>>0)%(h>>>0)|0:f;F[F[b>>2]+(f<<2)>>2]=d;d=F[e>>2];if(!d){break k}if(g>>>0<=1){break l}while(1){g=F[d+4>>2];if(h>>>0<=g>>>0){g=(g>>>0)%(h>>>0)|0}o:{if((f|0)==(g|0)){e=d;break o}l=g<<2;k=l+F[b>>2]|0;if(!F[k>>2]){F[k>>2]=e;e=d;f=g;break o}F[e>>2]=F[d>>2];F[d>>2]=F[F[l+F[b>>2]>>2]>>2];F[F[l+F[b>>2]>>2]>>2]=d}d=F[e>>2];if(d){continue}break}break k}d=F[b>>2];F[b>>2]=0;if(d){ja(d)}F[b+4>>2]=0;break k}oa();v()}f=h-1&f;F[F[b>>2]+(f<<2)>>2]=d;d=F[e>>2];if(!d){break k}}k=h-1|0;while(1){g=k&F[d+4>>2];p:{if((g|0)==(f|0)){e=d;break p}l=g<<2;h=l+F[b>>2]|0;if(F[h>>2]){F[e>>2]=F[d>>2];F[d>>2]=F[F[l+F[b>>2]>>2]>>2];F[F[l+F[b>>2]>>2]>>2]=d;break p}F[h>>2]=e;e=d;f=g}d=F[e>>2];if(d){continue}break}}}f=F[b+4>>2];d=f-1|0;if(!(d&f)){e=d&i;break d}if(f>>>0>i>>>0){e=i;break d}e=(i>>>0)%(f>>>0)|0}e=F[b>>2]+(e<<2)|0;d=F[e>>2];q:{r:{if(!d){d=b+8|0;F[c>>2]=F[d>>2];F[b+8>>2]=c;F[e>>2]=d;d=F[c>>2];if(!d){break q}d=F[d+4>>2];e=f-1|0;s:{if(!(e&f)){d=d&e;break s}if(d>>>0>>0){break s}d=(d>>>0)%(f>>>0)|0}d=F[b>>2]+(d<<2)|0;break r}F[c>>2]=F[d>>2]}F[d>>2]=c}F[b+12>>2]=F[b+12>>2]+1;b=1}D[a+4|0]=b;F[a>>2]=c}function Vb(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;j=L(b,12)+a|0;F[j+12>>2]=F[j+8>>2];m=(c|0)==-1?-1:(c>>>0)/3|0;d=1;k=c;a:{b:{c:{while(1){d:{l=d;if(!d){if((k|0)==-1){break d}if((Wc(a,((k>>>0)%3|0?-1:2)+k|0)|0)==-1){break a}c=k+1|0;d=(c>>>0)%3|0?c:k-2|0;if((d|0)==-1){break a}c=d+1|0;c=(c>>>0)%3|0?c:d-2|0;if((c|0)==-1){break a}d=F[F[F[a+4>>2]+12>>2]+(c<<2)>>2];if((d|0)==-1){break a}c=d+1|0;c=(c>>>0)%3|0?c:d-2|0;if((c|0)==-1){break a}m=(c>>>0)/3|0}e:{d=F[a+56>>2]+(m>>>3&536870908)|0;h=F[d>>2];e=1<>2]=e|h;d=F[j+12>>2];f:{if((d|0)!=F[j+16>>2]){F[d>>2]=m;F[j+12>>2]=d+4;break f}n=F[j+8>>2];h=d-n|0;e=h>>2;i=e+1|0;if(i>>>0>=1073741824){break c}g=h>>>1|0;i=h>>>0>=2147483644?1073741823:i>>>0>>0?g:i;if(i){if(i>>>0>=1073741824){break b}g=ka(i<<2)}else{g=0}h=g+(e<<2)|0;F[h>>2]=m;e=h+4|0;if((d|0)!=(n|0)){while(1){h=h-4|0;d=d-4|0;F[h>>2]=F[d>>2];if((d|0)!=(n|0)){continue}break}}F[j+8>>2]=h;F[j+12>>2]=e;F[j+16>>2]=g+(i<<2);if(!n){break f}ja(n)}g=f+1|0;g:{h:{i:{if(!f){break i}if(g&1){if((c|0)==-1){c=-1;break g}d=c+1|0;c=(d>>>0)%3|0?d:c-2|0;break i}k=l?k:c;if((c|0)==-1){c=-1;break g}if((c>>>0)%3|0){d=c-1|0;break h}c=c+2|0}d=c;c=-1;if((d|0)==-1){break g}}c=F[F[F[a+4>>2]+12>>2]+(d<<2)>>2];h=-1;f=-1;e=d+1|0;e=(e>>>0)%3|0?e:d-2|0;if((e|0)>=0){f=(e>>>0)/3|0;f=F[(F[F[a>>2]+96>>2]+L(f,12)|0)+(e-L(f,3)<<2)>>2]}j:{if((c|0)==-1){break j}i=((c>>>0)%3|0?-1:2)+c|0;if((i|0)<0){break j}e=(i>>>0)/3|0;h=F[(F[F[a>>2]+96>>2]+L(e,12)|0)+(i-L(e,3)<<2)>>2]}if((f|0)!=(h|0)){c=-1;break g}k:{l:{f=((d>>>0)%3|0?-1:2)+d|0;if((f|0)>=0){d=(f>>>0)/3|0;if((c|0)!=-1){break l}c=-1;break g}d=-1;if((c|0)!=-1){break k}c=-1;break g}d=F[(F[F[a>>2]+96>>2]+L(d,12)|0)+(f-L(d,3)<<2)>>2]}f=c+1|0;e=(f>>>0)%3|0?f:c-2|0;if((e|0)>=0){f=(e>>>0)/3|0;f=F[(F[F[a>>2]+96>>2]+L(f,12)|0)+(e-L(f,3)<<2)>>2]}else{f=-1}if((f|0)!=(d|0)){c=-1;break g}f=g;m=(c>>>0)/3|0;d=F[a+56>>2]+(m>>>3&268435452)|0;h=F[d>>2];e=1<>2]-4|0;g=F[l>>2];d=F[a+56>>2]+(g>>>3&536870908)|0;c=F[d>>2];o=d,p=oi(g)&c,F[o>>2]=p;F[j+12>>2]=l;break a}d=0;if(l){continue}break a}break}k=-1;Wc(a,-1);break a}na();v()}oa();v()}F[((b<<2)+a|0)+44>>2]=k;b=F[j+12>>2];i=F[j+8>>2];m:{if((b|0)==(i|0)){break m}c=b-i|0;b=c>>2;b=b>>>0<=1?1:b;k=b&1;e=F[a+56>>2];d=0;if(c>>>0>=8){f=b&-2;c=0;while(1){l=d<<2;g=F[l+i>>2];b=e+(g>>>3&536870908)|0;a=F[b>>2];o=b,p=oi(g)&a,F[o>>2]=p;g=F[i+(l|4)>>2];b=e+(g>>>3&536870908)|0;a=F[b>>2];o=b,p=oi(g)&a,F[o>>2]=p;d=d+2|0;c=c+2|0;if((f|0)!=(c|0)){continue}break}}if(!k){break m}c=F[i+(d<<2)>>2];b=e+(c>>>3&536870908)|0;a=F[b>>2];o=b,p=oi(c)&a,F[o>>2]=p}}function pd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;if((b|0)==-1){return 1}g=(b>>>0)/3|0;if(!(F[F[a+24>>2]+(g>>>3&268435452)>>2]>>>g&1)){f=F[a+48>>2];F[a+52>>2]=f;a:{if((f|0)!=F[a+56>>2]){F[f>>2]=b;F[a+52>>2]=f+4;break a}d=ka(4);F[d>>2]=b;c=d+4|0;F[a+56>>2]=c;F[a+52>>2]=c;F[a+48>>2]=d;if(!f){break a}ja(f)}e=-1;d=F[a+4>>2];c=b+1|0;i=(c>>>0)%3|0?c:b-2|0;if((i|0)!=-1){e=F[F[d>>2]+(i<<2)>>2]}b:{h=b-L(g,3)|0;if(h){c=b-1|0;break b}c=b+2|0;if((c|0)!=-1){break b}return 0}if((e|0)==-1){return 0}j=F[F[d>>2]+(c<<2)>>2];if((j|0)==-1){return 0}c=F[a+36>>2];f=c+(e>>>3&536870908)|0;g=F[f>>2];d=1<>2]=d|g;Ka(a+8|0,e,i);c=F[a+36>>2]}g=(j>>>3&536870908)+c|0;d=F[g>>2];c=1<>2]=c|d;Ka(a+8|0,j,(h?-1:2)+b|0)}c=F[a+52>>2];if((c|0)==F[a+48>>2]){return 1}j=a+8|0;while(1){c:{d:{c=c-4|0;b=F[c>>2];if((b|0)==-1){break d}d=(b>>>0)/3|0;f=F[a+24>>2]+(d>>>3&268435452)|0;g=F[f>>2];d=1<>2]=d|g;while(1){i=F[a+4>>2];e=F[F[i>>2]+(b<<2)>>2];if((e|0)==-1){return 0}e:{f:{h=F[a+36>>2]+(e>>>3&536870908)|0;f=F[h>>2];g=1<>2]+(e<<2)>>2];h:{if((d|0)==-1){break h}c=d+1|0;c=(c>>>0)%3|0?c:d-2|0;if((c|0)==-1){break h}d=F[F[i+12>>2]+(c<<2)>>2];if((d|0)!=-1){break g}}F[h>>2]=f|g;Ka(j,e,b);break f}F[h>>2]=f|g;Ka(j,e,b);c=d+1|0;if((((c>>>0)%3|0?c:d-2|0)|0)==-1){break f}c=b-2|0;d=b+1|0;b=-1;c=(d>>>0)%3|0?d:c;if((c|0)!=-1){b=F[F[F[a+4>>2]+12>>2]+(c<<2)>>2]}c=(b>>>0)/3|0;d=1<>2];f=c>>>5|0;i=F[e+(f<<2)>>2];break e}c=-1;g=F[a+4>>2];d=b+1|0;d=(d>>>0)%3|0?d:b-2|0;if((d|0)!=-1){c=F[F[g+12>>2]+(d<<2)>>2]}i:{j:{if((b>>>0)%3|0){e=b-1|0;break j}e=b+2|0;b=-1;if((e|0)==-1){break i}}b=F[F[g+12>>2]+(e<<2)>>2]}g=(b|0)==-1;h=g?-1:(b>>>0)/3|0;k:{if((c|0)!=-1){e=F[a+24>>2];d=(c>>>0)/3|0;f=d>>>5|0;i=F[e+(f<<2)>>2];d=1<>2];f=h>>>5|0;i=F[e+(f<<2)>>2];if(!(d&i)){break e}}c=F[a+52>>2]-4|0;F[a+52>>2]=c;break c}if(g){b=c;break e}if(F[(h>>>3&536870908)+e>>2]>>>h&1){b=c;break e}e=F[a+52>>2];F[e-4>>2]=b;if(F[a+56>>2]!=(e|0)){F[e>>2]=c;c=e+4|0;break d}l:{h=F[a+48>>2];f=e-h|0;g=f>>2;d=g+1|0;if(d>>>0<1073741824){b=f>>>1|0;f=f>>>0>=2147483644?1073741823:b>>>0>d>>>0?b:d;if(f){if(f>>>0>=1073741824){break l}d=ka(f<<2)}else{d=0}b=d+(g<<2)|0;F[b>>2]=c;c=b+4|0;if((e|0)!=(h|0)){while(1){b=b-4|0;e=e-4|0;F[b>>2]=F[e>>2];if((e|0)!=(h|0)){continue}break}}F[a+56>>2]=d+(f<<2);F[a+52>>2]=c;F[a+48>>2]=b;if(!h){break c}ja(h);c=F[a+52>>2];break c}na();v()}oa();v()}F[(f<<2)+e>>2]=d|i;if((b|0)!=-1){continue}break}return 0}F[a+52>>2]=c}if(F[a+48>>2]!=(c|0)){continue}break}}return 1}function ee(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=Z-32|0;Z=h;a:{b:{if(!Oa(1,h+28|0,b)){break b}d=F[h+28>>2];c=F[F[a+48>>2]+64>>2];if(d>>>0>F[c+4>>2]-F[c>>2]>>2>>>0){break b}c:{if(d){Na(a+60|0,d);c=h+8|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;if(!Aa(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|F[g>>2]}else{i=F[g>>2]&(f^-1)}F[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Oa(1,h+28|0,b)){break b}d=F[h+28>>2];c=F[F[a+48>>2]+64>>2];if(d>>>0>F[c+4>>2]-F[c>>2]>>2>>>0){break b}if(d){e=0;Na(a+72|0,d);c=h+8|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;if(!Aa(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|F[g>>2]}else{i=F[g>>2]&(f^-1)}F[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Oa(1,h+28|0,b)){break b}d=F[h+28>>2];c=F[F[a+48>>2]+64>>2];if(d>>>0>F[c+4>>2]-F[c>>2]>>2>>>0){break b}if(d){e=0;Na(a+84|0,d);c=h+8|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;if(!Aa(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|F[g>>2]}else{i=F[g>>2]&(f^-1)}F[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Oa(1,h+28|0,b)){break b}d=F[h+28>>2];c=F[F[a+48>>2]+64>>2];if(d>>>0>F[c+4>>2]-F[c>>2]>>2>>>0){break b}if(d){e=0;Na(a+96|0,d);c=h+8|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;if(!Aa(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|F[g>>2]}else{i=F[g>>2]&(f^-1)}F[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}e=0;c=F[b+8>>2];f=F[b+12>>2];d=c;c=F[b+20>>2];i=c;g=F[b+16>>2];j=g+4|0;c=j>>>0<4?c+1|0:c;if(d>>>0>>0&(c|0)>=(f|0)|(c|0)>(f|0)){break a}m=F[b>>2];k=m+g|0;l=G[k|0]|G[k+1|0]<<8|(G[k+2|0]<<16|G[k+3|0]<<24);F[b+16>>2]=j;F[b+20>>2]=c;k=d;d=f;c=i;f=g+8|0;c=f>>>0<8?c+1|0:c;if(f>>>0>k>>>0&(c|0)>=(d|0)|(c|0)>(d|0)){break a}d=j+m|0;d=G[d|0]|G[d+1|0]<<8|(G[d+2|0]<<16|G[d+3|0]<<24);F[b+16>>2]=f;F[b+20>>2]=c;if((d|0)<(l|0)){break a}F[a+16>>2]=d;F[a+12>>2]=l;c=(d>>31)-((l>>31)+(d>>>0>>0)|0)|0;b=d-l|0;if(!c&b>>>0>2147483646|c){break a}e=1;b=b+1|0;F[a+20>>2]=b;c=b>>>1|0;F[a+24>>2]=c;F[a+28>>2]=0-c;if(b&1){break a}F[a+24>>2]=c-1;break a}}e=0}Z=h+32|0;return e|0}function ai(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=Z-32|0;Z=h;a:{b:{if(!Oa(1,h+28|0,b)){break b}d=F[h+28>>2];c=F[a+48>>2];if(d>>>0>F[c+4>>2]-F[c>>2]>>2>>>0){break b}c:{if(d){Na(a+60|0,d);c=h+8|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;if(!Aa(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|F[g>>2]}else{i=F[g>>2]&(f^-1)}F[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Oa(1,h+28|0,b)){break b}d=F[h+28>>2];c=F[a+48>>2];if(d>>>0>F[c+4>>2]-F[c>>2]>>2>>>0){break b}if(d){e=0;Na(a+72|0,d);c=h+8|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;if(!Aa(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|F[g>>2]}else{i=F[g>>2]&(f^-1)}F[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Oa(1,h+28|0,b)){break b}d=F[h+28>>2];c=F[a+48>>2];if(d>>>0>F[c+4>>2]-F[c>>2]>>2>>>0){break b}if(d){e=0;Na(a+84|0,d);c=h+8|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;if(!Aa(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|F[g>>2]}else{i=F[g>>2]&(f^-1)}F[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}if(!Oa(1,h+28|0,b)){break b}d=F[h+28>>2];c=F[a+48>>2];if(d>>>0>F[c+4>>2]-F[c>>2]>>2>>>0){break b}if(d){e=0;Na(a+96|0,d);c=h+8|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;if(!Aa(c,b)){break c}while(1){f=1<>2]+(e>>>3&536870908)|0;if(j){i=f|F[g>>2]}else{i=F[g>>2]&(f^-1)}F[g>>2]=i;e=e+1|0;if((d|0)!=(e|0)){continue}break}}e=0;c=F[b+8>>2];f=F[b+12>>2];d=c;c=F[b+20>>2];i=c;g=F[b+16>>2];j=g+4|0;c=j>>>0<4?c+1|0:c;if(d>>>0>>0&(c|0)>=(f|0)|(c|0)>(f|0)){break a}m=F[b>>2];k=m+g|0;l=G[k|0]|G[k+1|0]<<8|(G[k+2|0]<<16|G[k+3|0]<<24);F[b+16>>2]=j;F[b+20>>2]=c;k=d;d=f;c=i;f=g+8|0;c=f>>>0<8?c+1|0:c;if(f>>>0>k>>>0&(c|0)>=(d|0)|(c|0)>(d|0)){break a}d=j+m|0;d=G[d|0]|G[d+1|0]<<8|(G[d+2|0]<<16|G[d+3|0]<<24);F[b+16>>2]=f;F[b+20>>2]=c;if((d|0)<(l|0)){break a}F[a+16>>2]=d;F[a+12>>2]=l;c=(d>>31)-((l>>31)+(d>>>0>>0)|0)|0;b=d-l|0;if(!c&b>>>0>2147483646|c){break a}e=1;b=b+1|0;F[a+20>>2]=b;c=b>>>1|0;F[a+24>>2]=c;F[a+28>>2]=0-c;if(b&1){break a}F[a+24>>2]=c-1;break a}}e=0}Z=h+32|0;return e|0}function uh(a){a=a|0;var b=0,c=0,d=0,e=0;c=F[a+32>>2];d=F[c+16>>2];e=F[c+12>>2];b=F[c+20>>2];if(I[c+8>>2]>d>>>0&(e|0)>=(b|0)|(b|0)<(e|0)){e=G[F[c>>2]+d|0];d=d+1|0;b=d?b:b+1|0;F[c+16>>2]=d;F[c+20>>2]=b;b=F[a+48>>2];F[a+48>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}a:{b:{c:{d:{switch(e|0){case 0:b=ka(384);F[b>>2]=8284;ma(b+4|0,0,80);F[b+96>>2]=0;F[b+100>>2]=0;F[b+92>>2]=-1;F[b+84>>2]=-1;F[b+88>>2]=-1;F[b+104>>2]=0;F[b+108>>2]=0;F[b+112>>2]=0;F[b+116>>2]=0;F[b+120>>2]=0;F[b+124>>2]=0;F[b+128>>2]=0;F[b+132>>2]=0;F[b+136>>2]=0;F[b+140>>2]=0;F[b+144>>2]=0;F[b+148>>2]=0;F[b+156>>2]=0;F[b+160>>2]=0;F[b+152>>2]=1065353216;F[b+164>>2]=0;F[b+168>>2]=0;F[b+172>>2]=0;F[b+176>>2]=0;F[b+180>>2]=0;F[b+184>>2]=0;F[b+188>>2]=0;F[b+192>>2]=0;F[b+196>>2]=0;F[b+200>>2]=0;F[b+204>>2]=0;F[b+208>>2]=0;F[b+212>>2]=-1;F[b+216>>2]=0;F[b+220>>2]=0;F[b+224>>2]=0;Ja(b+232|0);Ja(b+272|0);c=b+312|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;Ja(b+328|0);F[b+376>>2]=0;F[b+368>>2]=0;F[b+372>>2]=0;break c;case 2:break d;default:break b}}b=ka(440);F[b>>2]=8336;ma(b+4|0,0,80);F[b+96>>2]=0;F[b+100>>2]=0;F[b+92>>2]=-1;F[b+84>>2]=-1;F[b+88>>2]=-1;F[b+104>>2]=0;F[b+108>>2]=0;F[b+112>>2]=0;F[b+116>>2]=0;F[b+120>>2]=0;F[b+124>>2]=0;F[b+128>>2]=0;F[b+132>>2]=0;F[b+136>>2]=0;F[b+140>>2]=0;F[b+144>>2]=0;F[b+148>>2]=0;F[b+156>>2]=0;F[b+160>>2]=0;F[b+152>>2]=1065353216;F[b+164>>2]=0;F[b+168>>2]=0;F[b+172>>2]=0;F[b+176>>2]=0;F[b+180>>2]=0;F[b+184>>2]=0;F[b+188>>2]=0;F[b+192>>2]=0;F[b+196>>2]=0;F[b+200>>2]=0;F[b+204>>2]=0;F[b+208>>2]=0;F[b+212>>2]=-1;F[b+216>>2]=0;F[b+220>>2]=0;F[b+224>>2]=0;Ja(b+232|0);Ja(b+272|0);c=b+312|0;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;Ja(b+328|0);F[b+392>>2]=0;F[b+396>>2]=0;F[b+384>>2]=0;F[b+388>>2]=0;F[b+376>>2]=0;F[b+380>>2]=0;F[b+368>>2]=0;F[b+372>>2]=0;F[b+416>>2]=0;F[b+420>>2]=0;F[b+408>>2]=2;F[b+412>>2]=7;F[b+400>>2]=-1;F[b+404>>2]=-1;F[b+424>>2]=0;F[b+428>>2]=0;F[b+432>>2]=0;F[b+436>>2]=0}c=F[a+48>>2];F[a+48>>2]=b;if(!c){break a}$[F[F[c>>2]+4>>2]](c)}b=F[a+48>>2];if(b){break a}return 0}a=$[F[F[b>>2]+8>>2]](b,a)|0}else{a=0}return a|0}function ei(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;g=Z-32|0;Z=g;F[a+68>>2]=f;d=F[a+56>>2];e=F[d>>2];d=F[d+4>>2];F[g+24>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+60|0;d=d>>>2|0;n=d>>>0<=1?1:d;o=a+112|0;while(1){e=F[a+56>>2];d=F[e>>2];if(F[e+4>>2]-d>>2>>>0<=j>>>0){break a}Mb(m,F[d+(j<<2)>>2],g+16|0);i=F[g+20>>2];d=i>>31;h=F[g+16>>2];e=h>>31;f=(d^i)-d+((e^h)-e)|0;k=F[g+24>>2];d=k>>31;e=(d^k)-d|0;d=0;l=e;e=e+f|0;d=l>>>0>e>>>0?1:d;b:{if(!(d|e)){F[g+16>>2]=F[a+108>>2];break b}f=F[a+108>>2];l=f>>31;h=li(ki(f,l,h,h>>31),_,e,d);F[g+16>>2]=h;d=li(ki(f,l,i,i>>31),_,e,d);F[g+20>>2]=d;e=d;d=d>>31;e=(e^d)-d|0;d=h>>31;d=e+((d^h)-d|0)|0;if((k|0)>=0){F[g+24>>2]=f-d;break b}F[g+24>>2]=d-f}d=wa(o);f=F[g+16>>2];c:{if(d){F[g+24>>2]=0-F[g+24>>2];e=0-F[g+20>>2]|0;F[g+20>>2]=e;f=0-f|0;F[g+16>>2]=f;break c}e=F[g+20>>2]}d:{if((f|0)>=0){f=F[a+108>>2];d=f+F[g+24>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=F[g+24>>2];f=d>>31;f=(d^f)-f|0;break e}d=F[g+24>>2];f=d>>31;f=F[a+100>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=F[a+100>>2]+(d-(d^e)|0)|0}e=F[a+100>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}i=F[a+108>>2];if((i|0)>=(d|0)){break g}d=(i<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}i=F[a+108>>2];if((i|0)<=(d|0)){break h}d=(i<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=F[a+108>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=F[a+108>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}F[g+12>>2]=d;F[g+8>>2]=f;j:{if(F[a+8>>2]<=0){break j}i=F[a+32>>2];f=0;while(1){d=f<<2;e=F[d+(g+8|0)>>2];h=F[a+16>>2];k:{if((e|0)>(h|0)){F[d+i>>2]=h;break k}d=d+i|0;h=F[a+12>>2];if((h|0)>(e|0)){F[d>>2]=h;break k}F[d>>2]=e}f=f+1|0;e=F[a+8>>2];if((f|0)<(e|0)){continue}break}d=0;if((e|0)<=0){break j}e=j<<3;h=e+c|0;k=b+e|0;while(1){f=d<<2;e=f+h|0;f=F[f+k>>2]+F[f+i>>2]|0;F[e>>2]=f;l:{if((f|0)>F[a+16>>2]){f=f-F[a+20>>2]|0}else{if((f|0)>=F[a+12>>2]){break l}f=f+F[a+20>>2]|0}F[e>>2]=f}d=d+1|0;if((d|0)>2]){continue}break}}j=j+1|0;if((n|0)!=(j|0)){continue}break}}Z=g+32|0;return 1}ta();v()}function Vh(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;g=Z-32|0;Z=g;F[a+68>>2]=f;d=F[a+56>>2];e=F[d>>2];d=F[d+4>>2];F[g+24>>2]=0;F[g+16>>2]=0;F[g+20>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+60|0;d=d>>>2|0;n=d>>>0<=1?1:d;o=a+112|0;while(1){e=F[a+56>>2];d=F[e>>2];if(F[e+4>>2]-d>>2>>>0<=j>>>0){break a}Kb(m,F[d+(j<<2)>>2],g+16|0);i=F[g+20>>2];d=i>>31;h=F[g+16>>2];e=h>>31;f=(d^i)-d+((e^h)-e)|0;k=F[g+24>>2];d=k>>31;e=(d^k)-d|0;d=0;l=e;e=e+f|0;d=l>>>0>e>>>0?1:d;b:{if(!(d|e)){F[g+16>>2]=F[a+108>>2];break b}f=F[a+108>>2];l=f>>31;h=li(ki(f,l,h,h>>31),_,e,d);F[g+16>>2]=h;d=li(ki(f,l,i,i>>31),_,e,d);F[g+20>>2]=d;e=d;d=d>>31;e=(e^d)-d|0;d=h>>31;d=e+((d^h)-d|0)|0;if((k|0)>=0){F[g+24>>2]=f-d;break b}F[g+24>>2]=d-f}d=wa(o);f=F[g+16>>2];c:{if(d){F[g+24>>2]=0-F[g+24>>2];e=0-F[g+20>>2]|0;F[g+20>>2]=e;f=0-f|0;F[g+16>>2]=f;break c}e=F[g+20>>2]}d:{if((f|0)>=0){f=F[a+108>>2];d=f+F[g+24>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=F[g+24>>2];f=d>>31;f=(d^f)-f|0;break e}d=F[g+24>>2];f=d>>31;f=F[a+100>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=F[a+100>>2]+(d-(d^e)|0)|0}e=F[a+100>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}i=F[a+108>>2];if((i|0)>=(d|0)){break g}d=(i<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}i=F[a+108>>2];if((i|0)<=(d|0)){break h}d=(i<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=F[a+108>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=F[a+108>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}F[g+12>>2]=d;F[g+8>>2]=f;j:{if(F[a+8>>2]<=0){break j}i=F[a+32>>2];f=0;while(1){d=f<<2;e=F[d+(g+8|0)>>2];h=F[a+16>>2];k:{if((e|0)>(h|0)){F[d+i>>2]=h;break k}d=d+i|0;h=F[a+12>>2];if((h|0)>(e|0)){F[d>>2]=h;break k}F[d>>2]=e}f=f+1|0;e=F[a+8>>2];if((f|0)<(e|0)){continue}break}d=0;if((e|0)<=0){break j}e=j<<3;h=e+c|0;k=b+e|0;while(1){f=d<<2;e=f+h|0;f=F[f+k>>2]+F[f+i>>2]|0;F[e>>2]=f;l:{if((f|0)>F[a+16>>2]){f=f-F[a+20>>2]|0}else{if((f|0)>=F[a+12>>2]){break l}f=f+F[a+20>>2]|0}F[e>>2]=f}d=d+1|0;if((d|0)>2]){continue}break}}j=j+1|0;if((n|0)!=(j|0)){continue}break}}Z=g+32|0;return 1}ta();v()}function $a(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=Z-32|0;Z=h;a:{b:{if(F[a+8>>2]<<5>>>0>=b>>>0){break b}if((b|0)<0){break a}b=(b-1>>>5|0)+1|0;c=ka(b<<2);F[h+24>>2]=b;F[h+20>>2]=0;F[h+16>>2]=c;b=F[a>>2];F[h+12>>2]=0;F[h+8>>2]=b;c=F[a+4>>2];F[h+4>>2]=c&31;F[h>>2]=b+(c>>>3&536870908);e=Z-32|0;Z=e;i=F[h+4>>2];g=F[h+12>>2];j=F[h>>2];d=F[h+8>>2];b=(i-g|0)+(j-d<<3)|0;f=F[h+20>>2];c=b+f|0;F[h+20>>2]=c;if(!((c-1^f-1)>>>0<32?f:0)){F[F[h+16>>2]+((c>>>0>=33?c-1>>>5|0:0)<<2)>>2]=0}c=F[h+16>>2]+(f>>>3&536870908)|0;f=f&31;c:{if((f|0)==(g|0)){if((b|0)<=0){break c}if(g){i=32-g|0;f=(b|0)<(i|0)?b:i;i=-1<>>i-f;F[c>>2]=F[c>>2]&(i^-1)|i&F[d>>2];d=d+4|0;c=(g+f>>>3&536870908)+c|0;b=b-f|0}g=(b|0)/32|0;if(b+31>>>0>=63){pa(c,d,g<<2)}b=b-(g<<5)|0;if((b|0)<=0){break c}f=c;c=g<<2;g=f+c|0;b=-1>>>32-b|0;F[g>>2]=F[g>>2]&(b^-1)|b&F[c+d>>2];break c}F[e+28>>2]=g;F[e+24>>2]=d;F[e+20>>2]=i;F[e+16>>2]=j;F[e+12>>2]=f;F[e+8>>2]=c;b=F[e+28>>2];c=F[e+24>>2];g=(F[e+20>>2]-b|0)+(F[e+16>>2]-c<<3)|0;d:{if((g|0)<=0){b=F[e+12>>2];d=F[e+8>>2];break d}e:{if(!b){b=F[e+12>>2];break e}d=F[e+12>>2];j=32-d|0;k=32-b|0;f=(g|0)<(k|0)?g:k;i=f>>>0>j>>>0?j:f;l=F[e+8>>2];m=F[l>>2]&(-1<>>j-i^-1);j=F[c>>2]&(-1<>>k-f);F[l>>2]=m|(b>>>0>>0?j<>>b-d|0);c=d+i|0;b=c&31;F[e+12>>2]=b;d=l+(c>>>3&536870908)|0;F[e+8>>2]=d;c=f-i|0;if((c|0)>0){F[d>>2]=F[d>>2]&(-1>>>32-c^-1)|j>>>i+F[e+28>>2];F[e+12>>2]=c;b=c}g=g-f|0;c=F[e+24>>2]+4|0;F[e+24>>2]=c}i=-1<=32){j=i^-1;while(1){d=F[e+8>>2];c=F[c>>2];F[d>>2]=j&F[d>>2]|c<>2]=d+4;F[d+4>>2]=i&F[d+4>>2]|c>>>f;c=F[e+24>>2]+4|0;F[e+24>>2]=c;d=g>>>0>63;g=g-32|0;if(d){continue}break}}d=F[e+8>>2];if((g|0)<=0){break d}j=f;f=(g|0)>(f|0)?f:g;j=F[d>>2]&(i&-1>>>j-f^-1);i=F[c>>2]&-1>>>32-g;F[d>>2]=j|i<>2]=c;d=(b>>>3&536870908)+d|0;F[e+8>>2]=d;b=g-f|0;if((b|0)<=0){b=c;break d}F[d>>2]=F[d>>2]&(-1>>>32-b^-1)|i>>>f;F[e+12>>2]=b}F[e+4>>2]=b;F[e>>2]=d}Z=e+32|0;b=F[a>>2];F[a>>2]=F[h+16>>2];F[h+16>>2]=b;c=F[a+4>>2];F[a+4>>2]=F[h+20>>2];F[h+20>>2]=c;c=F[a+8>>2];F[a+8>>2]=F[h+24>>2];F[h+24>>2]=c;if(!b){break b}ja(b)}Z=h+32|0;return}na();v()}function xc(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;n=$[F[F[a>>2]+44>>2]](a)|0;a:{if((n|0)<=0){break a}i=F[b+4>>2]-F[b>>2]>>2;e=Z+-64|0;Z=e;f=kb(e);d=L(F[2541],n);cc(f,F[F[a+8>>2]+56>>2],n&255,5,0,d,d>>31);f=bc(ka(96),f);D[f+84|0]=1;F[f+72>>2]=F[f+68>>2];ac(f,i);F[f+60>>2]=F[F[a+8>>2]+60>>2];d=F[a+16>>2];F[a+16>>2]=f;if(d){xa(d)}Z=e- -64|0;h=F[a+16>>2];if(!F[h+80>>2]){break a}j=F[F[h>>2]>>2];if(!j){break a}m=F[c+12>>2];e=m;d=F[c+20>>2];g=F[c+8>>2];k=F[c+16>>2];if((e|0)<=(d|0)&g>>>0<=k>>>0|(d|0)>(e|0)){break a}l=L(i,n);i=j+F[h+48>>2]|0;h=F[c>>2];j=G[h+k|0];e=k+1|0;f=e?d:d+1|0;F[c+16>>2]=e;F[c+20>>2]=f;b:{c:{if(j){if(mc(l,n,c,i)){break c}break a}if((f|0)>=(m|0)&e>>>0>=g>>>0|(f|0)>(m|0)){break a}g=G[e+h|0];f=k+2|0;d=f>>>0<2?d+1|0:d;F[c+16>>2]=f;F[c+20>>2]=d;d=F[F[a+16>>2]+64>>2];d=F[d+4>>2]-F[d>>2]|0;if((g|0)==F[2541]){e=l<<2;if(e>>>0>d>>>0){break a}g=F[c+8>>2];k=F[c+12>>2];j=F[c+20>>2];d=F[c+16>>2];f=e+d|0;j=f>>>0>>0?j+1|0:j;if(f>>>0>g>>>0&(j|0)>=(k|0)|(j|0)>(k|0)){break a}la(i,d+F[c>>2]|0,e);f=F[c+20>>2];d=e+F[c+16>>2]|0;f=d>>>0>>0?f+1|0:f;F[c+16>>2]=d;F[c+20>>2]=f;break c}if(d>>>0>>0){break a}d=F[c+8>>2];f=F[c+16>>2];e=d-f|0;m=d>>>0>>0;d=F[c+20>>2];k=F[c+12>>2]-(m+d|0)|0;m=ki(g,0,l,0)>>>0>e>>>0;e=_;if(m&(e|0)>=(k|0)|(e|0)>(k|0)){break a}e=1;if(!l){break b}h=0;while(1){k=F[c+8>>2];j=F[c+12>>2];e=f+g|0;d=e>>>0>>0?d+1|0:d;if(e>>>0>k>>>0&(d|0)>=(j|0)|(d|0)>(j|0)){return 0}la(i+(h<<2)|0,F[c>>2]+f|0,g);d=F[c+20>>2];f=g+F[c+16>>2]|0;d=f>>>0>>0?d+1|0:d;F[c+16>>2]=f;F[c+20>>2]=d;h=h+1|0;if((l|0)!=(h|0)){continue}break}}e=1;if(!l){break b}d=F[a+20>>2];if(d){e=0;if($[F[F[d>>2]+32>>2]](d)|0){break b}}g=0;h=0;d:{if((l|0)<=0){break d}if((l|0)!=1){f=l&-2;while(1){e=g<<2;d=F[e+i>>2];F[e+i>>2]=0-(d&1)^d>>>1;d=e|4;e=F[d+i>>2];F[d+i>>2]=0-(e&1)^e>>>1;g=g+2|0;h=h+2|0;if((f|0)!=(h|0)){continue}break}}if(!(l&1)){break d}d=g<<2;f=F[d+i>>2];F[d+i>>2]=0-(f&1)^f>>>1}e=0}d=e;f=F[a+20>>2];e:{if(!f){break e}if(!($[F[F[f>>2]+40>>2]](f,c)|0)){break a}if(d){break e}a=F[a+20>>2];if(!($[F[F[a>>2]+44>>2]](a,i,i,l,n,F[b>>2])|0)){break a}}o=1}return o|0}function Lh(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;g=Z-48|0;Z=g;d=F[a+8>>2];if(d-2>>>0<=28){F[a+76>>2]=d;e=-1<>2]=d;F[a+80>>2]=e^-1;F[a+92>>2]=(d|0)/2;J[a+88>>2]=M(2)/M(d|0)}F[a+52>>2]=f;d=F[a+40>>2];e=F[d>>2];d=F[d+4>>2];F[g+16>>2]=0;F[g+8>>2]=0;F[g+12>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+8|0;n=a+44|0;d=d>>>2|0;o=d>>>0<=1?1:d;p=a+96|0;while(1){e=F[a+40>>2];d=F[e>>2];if(F[e+4>>2]-d>>2>>>0<=j>>>0){break a}Mb(n,F[d+(j<<2)>>2],g+8|0);h=F[g+12>>2];d=h>>31;i=F[g+8>>2];e=i>>31;f=(d^h)-d+((e^i)-e)|0;l=F[g+16>>2];d=l>>31;e=(d^l)-d|0;d=0;k=e;e=e+f|0;d=k>>>0>e>>>0?1:d;b:{if(!(d|e)){F[g+8>>2]=F[a+92>>2];break b}f=F[a+92>>2];k=f>>31;i=li(ki(f,k,i,i>>31),_,e,d);F[g+8>>2]=i;d=li(ki(f,k,h,h>>31),_,e,d);F[g+12>>2]=d;e=d>>31;e=(d^e)-e|0;d=i>>31;d=e+((d^i)-d|0)|0;if((l|0)>=0){F[g+16>>2]=f-d;break b}F[g+16>>2]=d-f}d=wa(p);f=F[g+8>>2];c:{if(d){F[g+16>>2]=0-F[g+16>>2];e=0-F[g+12>>2]|0;F[g+12>>2]=e;f=0-f|0;F[g+8>>2]=f;break c}e=F[g+12>>2]}d:{if((f|0)>=0){f=F[a+92>>2];d=f+F[g+16>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=F[g+16>>2];f=d>>31;f=(d^f)-f|0;break e}d=F[g+16>>2];f=d>>31;f=F[a+84>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=F[a+84>>2]+(d-(d^e)|0)|0}e=F[a+84>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}h=F[a+92>>2];if((h|0)>=(d|0)){break g}d=(h<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}h=F[a+92>>2];if((h|0)<=(d|0)){break h}d=(h<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=F[a+92>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=F[a+92>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}e=j<<3;h=e+b|0;i=F[h>>2];h=F[h+4>>2];F[g+36>>2]=d;F[g+32>>2]=f;F[g+24>>2]=i;F[g+28>>2]=h;Jb(g+40|0,m,g+32|0,g+24|0);d=c+e|0;F[d>>2]=F[g+40>>2];F[d+4>>2]=F[g+44>>2];j=j+1|0;if((o|0)!=(j|0)){continue}break}}Z=g+48|0;return 1}ta();v()}function Hh(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;g=Z-48|0;Z=g;d=F[a+8>>2];if(d-2>>>0<=28){F[a+76>>2]=d;e=-1<>2]=d;F[a+80>>2]=e^-1;F[a+92>>2]=(d|0)/2;J[a+88>>2]=M(2)/M(d|0)}F[a+52>>2]=f;d=F[a+40>>2];e=F[d>>2];d=F[d+4>>2];F[g+16>>2]=0;F[g+8>>2]=0;F[g+12>>2]=0;a:{d=d-e|0;if((d|0)>0){m=a+8|0;n=a+44|0;d=d>>>2|0;o=d>>>0<=1?1:d;p=a+96|0;while(1){e=F[a+40>>2];d=F[e>>2];if(F[e+4>>2]-d>>2>>>0<=j>>>0){break a}Kb(n,F[d+(j<<2)>>2],g+8|0);h=F[g+12>>2];d=h>>31;i=F[g+8>>2];e=i>>31;f=(d^h)-d+((e^i)-e)|0;l=F[g+16>>2];d=l>>31;e=(d^l)-d|0;d=0;k=e;e=e+f|0;d=k>>>0>e>>>0?1:d;b:{if(!(d|e)){F[g+8>>2]=F[a+92>>2];break b}f=F[a+92>>2];k=f>>31;i=li(ki(f,k,i,i>>31),_,e,d);F[g+8>>2]=i;d=li(ki(f,k,h,h>>31),_,e,d);F[g+12>>2]=d;e=d>>31;e=(d^e)-e|0;d=i>>31;d=e+((d^i)-d|0)|0;if((l|0)>=0){F[g+16>>2]=f-d;break b}F[g+16>>2]=d-f}d=wa(p);f=F[g+8>>2];c:{if(d){F[g+16>>2]=0-F[g+16>>2];e=0-F[g+12>>2]|0;F[g+12>>2]=e;f=0-f|0;F[g+8>>2]=f;break c}e=F[g+12>>2]}d:{if((f|0)>=0){f=F[a+92>>2];d=f+F[g+16>>2]|0;f=e+f|0;break d}e:{if((e|0)<0){d=F[g+16>>2];f=d>>31;f=(d^f)-f|0;break e}d=F[g+16>>2];f=d>>31;f=F[a+84>>2]+(f-(d^f)|0)|0}if((d|0)<0){d=e>>31;d=(d^e)-d|0;break d}d=e>>31;d=F[a+84>>2]+(d-(d^e)|0)|0}e=F[a+84>>2];f:{if(!(d|f)){d=e;f=d;break f}if(!((d|0)!=(e|0)|f)){f=d;break f}if(!((e|0)!=(f|0)|d)){d=f;break f}g:{if(f){break g}h=F[a+92>>2];if((h|0)>=(d|0)){break g}d=(h<<1)-d|0;f=0;break f}h:{if((e|0)!=(f|0)){break h}h=F[a+92>>2];if((h|0)<=(d|0)){break h}d=(h<<1)-d|0;break f}i:{if((d|0)!=(e|0)){break i}e=F[a+92>>2];if((e|0)<=(f|0)){break i}f=(e<<1)-f|0;break f}if(d){break f}d=0;e=F[a+92>>2];if((e|0)>=(f|0)){break f}f=(e<<1)-f|0}e=j<<3;h=e+b|0;i=F[h>>2];h=F[h+4>>2];F[g+36>>2]=d;F[g+32>>2]=f;F[g+24>>2]=i;F[g+28>>2]=h;Jb(g+40|0,m,g+32|0,g+24|0);d=c+e|0;F[d>>2]=F[g+40>>2];F[d+4>>2]=F[g+44>>2];j=j+1|0;if((o|0)!=(j|0)){continue}break}}Z=g+48|0;return 1}ta();v()}function Nd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;a:{if(!H[b+38>>1]){break a}if(!Ta(1,a+12|0,b)){break a}d=F[b+8>>2];e=F[b+16>>2];g=d-e|0;f=F[a+12>>2];d=F[b+12>>2]-(F[b+20>>2]+(d>>>0>>0)|0)|0;if(g>>>0>>6>>>0&(d|0)<=0|(d|0)<0){break a}d=F[a>>2];c=F[a+4>>2]-d>>2;b:{if(c>>>0>>0){qa(a,f-c|0);f=F[a+12>>2];break b}if(c>>>0<=f>>>0){break b}F[a+4>>2]=d+(f<<2)}if(!f){return 1}d=F[b+16>>2];c=F[b+20>>2];l=F[a>>2];j=F[b+8>>2];i=F[b+12>>2];g=0;while(1){if((c|0)>=(i|0)&d>>>0>=j>>>0|(c|0)>(i|0)){return 0}m=F[b>>2];k=G[m+d|0];d=d+1|0;c=d?c:c+1|0;F[b+16>>2]=d;F[b+20>>2]=c;e=k>>>2|0;h=0;c:{d:{e:{f:{n=k&3;switch(n|0){case 3:break f;case 0:break d;default:break e}}e=e+g|0;if(e>>>0>=f>>>0){return 0}ma(l+(g<<2)|0,0,(k&252)+4|0);g=e;break c}while(1){if((d|0)==(j|0)&(c|0)==(i|0)){break a}f=G[d+m|0];d=d+1|0;c=d?c:c+1|0;F[b+16>>2]=d;F[b+20>>2]=c;e=f<<(h<<3|6)|e;h=h+1|0;if((n|0)!=(h|0)){continue}break}}F[l+(g<<2)>>2]=e}f=F[a+12>>2];g=g+1|0;if(f>>>0>g>>>0){continue}break}b=a+16|0;j=F[a>>2];d=F[a+16>>2];c=F[a+20>>2]-d|0;g:{if(c>>>0<=16383){qa(b,4096-(c>>>2|0)|0);break g}if((c|0)==16384){break g}F[a+20>>2]=d+16384}c=a+28|0;g=F[c>>2];d=F[a+32>>2]-g>>3;h:{if(d>>>0>>0){_a(c,f-d|0);g=F[c>>2];break h}if(d>>>0>f>>>0){F[a+32>>2]=(f<<3)+g}if(!f){break a}}d=F[b>>2];b=0;a=0;while(1){c=j+(b<<2)|0;h=F[c>>2];e=a;i=(b<<3)+g|0;F[i+4>>2]=a;F[i>>2]=h;c=F[c>>2];a=c+a|0;if(a>>>0>4096){break a}i:{if(a>>>0<=e>>>0){break i}h=0;i=c&7;if(i){while(1){F[d+(e<<2)>>2]=b;e=e+1|0;h=h+1|0;if((i|0)!=(h|0)){continue}break}}if(c-1>>>0<=6){break i}while(1){c=d+(e<<2)|0;F[c>>2]=b;F[c+28>>2]=b;F[c+24>>2]=b;F[c+20>>2]=b;F[c+16>>2]=b;F[c+12>>2]=b;F[c+8>>2]=b;F[c+4>>2]=b;e=e+8|0;if((e|0)!=(a|0)){continue}break}}b=b+1|0;if((f|0)!=(b|0)){continue}break}o=(a|0)==4096}return o}function qf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;f=Z-32|0;Z=f;e=f+8|0;c=Z-80|0;Z=c;a=F[b+36>>2];F[c+72>>2]=F[b+32>>2];F[c+76>>2]=a;d=F[b+28>>2];a=c- -64|0;F[a>>2]=F[b+24>>2];F[a+4>>2]=d;a=F[b+20>>2];F[c+56>>2]=F[b+16>>2];F[c+60>>2]=a;a=F[b+12>>2];F[c+48>>2]=F[b+8>>2];F[c+52>>2]=a;a=F[b+4>>2];F[c+40>>2]=F[b>>2];F[c+44>>2]=a;jc(c+8|0,c+40|0,c+24|0);a=F[c+8>>2];a:{if(a){F[e>>2]=a;a=e+4|0;if(D[c+23|0]>=0){b=c+8|4;e=F[b+4>>2];F[a>>2]=F[b>>2];F[a+4>>2]=e;F[a+8>>2]=F[b+8>>2];break a}ra(a,F[c+12>>2],F[c+16>>2]);if(D[c+23|0]>=0){break a}ja(F[c+12>>2]);break a}if(D[c+23|0]<0){ja(F[c+12>>2])}a=G[c+31|0];if(a>>>0>=2){b=ka(32);D[b+26|0]=0;a=G[1475]|G[1476]<<8;D[b+24|0]=a;D[b+25|0]=a>>>8;a=G[1471]|G[1472]<<8|(G[1473]<<16|G[1474]<<24);d=G[1467]|G[1468]<<8|(G[1469]<<16|G[1470]<<24);D[b+16|0]=d;D[b+17|0]=d>>>8;D[b+18|0]=d>>>16;D[b+19|0]=d>>>24;D[b+20|0]=a;D[b+21|0]=a>>>8;D[b+22|0]=a>>>16;D[b+23|0]=a>>>24;a=G[1463]|G[1464]<<8|(G[1465]<<16|G[1466]<<24);d=G[1459]|G[1460]<<8|(G[1461]<<16|G[1462]<<24);D[b+8|0]=d;D[b+9|0]=d>>>8;D[b+10|0]=d>>>16;D[b+11|0]=d>>>24;D[b+12|0]=a;D[b+13|0]=a>>>8;D[b+14|0]=a>>>16;D[b+15|0]=a>>>24;a=G[1455]|G[1456]<<8|(G[1457]<<16|G[1458]<<24);d=G[1451]|G[1452]<<8|(G[1453]<<16|G[1454]<<24);D[b|0]=d;D[b+1|0]=d>>>8;D[b+2|0]=d>>>16;D[b+3|0]=d>>>24;D[b+4|0]=a;D[b+5|0]=a>>>8;D[b+6|0]=a>>>16;D[b+7|0]=a>>>24;F[c+8>>2]=-1;a=c+8|4;ra(a,b,26);d=D[c+23|0];F[e>>2]=F[c+8>>2];e=e+4|0;if((d|0)>=0){d=F[a+4>>2];F[e>>2]=F[a>>2];F[e+4>>2]=d;F[e+8>>2]=F[a+8>>2];ja(b);break a}ra(e,F[c+12>>2],F[c+16>>2]);if(D[c+23|0]<0){ja(F[c+12>>2])}ja(b);break a}F[e>>2]=0;F[e+4>>2]=0;F[e+16>>2]=a;F[e+8>>2]=0;F[e+12>>2]=0}Z=c+80|0;a=F[f+24>>2];if(D[f+23|0]<0){ja(F[f+12>>2])}Z=f+32|0;return a|0}function Ph(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0;e=Z-32|0;Z=e;a:{if((c|0)!=3){break a}c=F[a+4>>2];f=F[a+12>>2];F[e+24>>2]=-1;F[e+16>>2]=-1;F[e+20>>2]=1065353216;F[e+8>>2]=-1;F[e+12>>2]=-1;if((b|0)==-2){break a}i=F[F[F[c+4>>2]+8>>2]+(f<<2)>>2];if(($[F[F[c>>2]+8>>2]](c)|0)==1){h=F[F[F[c+4>>2]+8>>2]+(f<<2)>>2];b:{if(($[F[F[c>>2]+8>>2]](c)|0)!=1|b-1>>>0>5){break b}g=$[F[F[c>>2]+36>>2]](c)|0;a=$[F[F[c>>2]+44>>2]](c,f)|0;if(!g|!a){break b}f=$[F[F[c>>2]+40>>2]](c,f)|0;c:{if(f){if((b|0)!=6){break b}b=F[c+44>>2];d=ka(112);F[d+4>>2]=h;c=F[e+12>>2];F[d+8>>2]=F[e+8>>2];F[d+12>>2]=c;c=F[e+20>>2];F[d+16>>2]=F[e+16>>2];F[d+20>>2]=c;F[d+24>>2]=F[e+24>>2];F[d+40>>2]=a;c=a+12|0;F[d+36>>2]=c;F[d+32>>2]=f;F[d+28>>2]=b;F[d+68>>2]=a;F[d- -64>>2]=c;F[d+60>>2]=f;F[d+56>>2]=b;F[d+48>>2]=0;F[d+52>>2]=0;F[d>>2]=5928;F[d+88>>2]=1065353216;F[d+92>>2]=-1;F[d+80>>2]=-1;F[d+84>>2]=-1;F[d+72>>2]=1;F[d+76>>2]=-1;F[d+44>>2]=6492;a=d+96|0;break c}if((b|0)!=6){break b}b=F[c+44>>2];d=ka(112);F[d+4>>2]=h;c=F[e+12>>2];F[d+8>>2]=F[e+8>>2];F[d+12>>2]=c;c=F[e+20>>2];F[d+16>>2]=F[e+16>>2];F[d+20>>2]=c;F[d+24>>2]=F[e+24>>2];F[d+40>>2]=a;c=a+12|0;F[d+36>>2]=c;F[d+32>>2]=g;F[d+28>>2]=b;F[d+68>>2]=a;F[d- -64>>2]=c;F[d+60>>2]=g;F[d+56>>2]=b;F[d+48>>2]=0;F[d+52>>2]=0;F[d>>2]=6932;F[d+88>>2]=1065353216;F[d+92>>2]=-1;F[d+80>>2]=-1;F[d+84>>2]=-1;F[d+72>>2]=1;F[d+76>>2]=-1;F[d+44>>2]=7352;a=d+96|0}F[a>>2]=0;F[a+4>>2]=0;D[a+5|0]=0;D[a+6|0]=0;D[a+7|0]=0;D[a+8|0]=0;D[a+9|0]=0;D[a+10|0]=0;D[a+11|0]=0;D[a+12|0]=0}if(d){break a}}d=ka(28);F[d+4>>2]=i;a=F[e+12>>2];F[d+8>>2]=F[e+8>>2];F[d+12>>2]=a;a=F[e+20>>2];F[d+16>>2]=F[e+16>>2];F[d+20>>2]=a;F[d+24>>2]=F[e+24>>2];F[d>>2]=7764}Z=e+32|0;return d|0}function $c(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;f=Z-80|0;Z=f;a:{if(!Wb(1,f+76|0,b)){break a}k=F[f+76>>2];if(!k){break a}c=F[b+8>>2];e=F[b+16>>2];c=ki(c-e|0,F[b+12>>2]-(F[b+20>>2]+(c>>>0>>0)|0)|0,5,0);e=_;if(c>>>0>>0&(e|0)<=0|(e|0)<0){break a}c=F[a+4>>2];d=F[a+8>>2]-c>>2;b:{if(d>>>0>>0){qa(a+4|0,k-d|0);break b}if(d>>>0<=k>>>0){break b}F[a+8>>2]=c+(k<<2)}p=a+16|0;l=F[a+32>>2];while(1){g=F[b+12>>2];c=g;d=F[b+20>>2];h=F[b+8>>2];e=F[b+16>>2];if((c|0)<=(d|0)&h>>>0<=e>>>0|(c|0)<(d|0)){d=0;break a}m=F[b>>2];q=G[m+e|0];c=d;i=e+1|0;c=i?c:c+1|0;F[b+16>>2]=i;F[b+20>>2]=c;if(h>>>0<=i>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){d=0;break a}i=G[i+m|0];c=d;j=e+2|0;c=j>>>0<2?c+1|0:c;F[b+16>>2]=j;F[b+20>>2]=c;if(h>>>0<=j>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){d=0;break a}j=G[j+m|0];c=d;n=e+3|0;c=n>>>0<3?c+1|0:c;F[b+16>>2]=n;F[b+20>>2]=c;if(h>>>0<=n>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){d=0;break a}h=G[m+n|0];c=d;d=e+4|0;c=d>>>0<4?c+1|0:c;F[b+16>>2]=d;F[b+20>>2]=c;if(q>>>0>4){d=0;break a}if((i-12&255)>>>0<245){d=0;break a}if(!j){d=0;break a}c=kb(f+8|0);g=(h|0)!=0;d=i-1|0;if(d>>>0<=10){d=F[(d<<2)+10148>>2]}else{d=-1}d=L(d,j);cc(c,q,j,i,g,d,d>>31);if(Wb(1,f+4|0,b)){e=F[f+4>>2];F[f+68>>2]=e;d=bc(ka(96),c);$[F[F[l>>2]+8>>2]](l,F[l+12>>2]-F[l+8>>2]>>2,d);d=(F[l+12>>2]-F[l+8>>2]>>2)-1|0;h=d<<2;F[F[h+F[l+8>>2]>>2]+60>>2]=e;F[F[a+4>>2]+(o<<2)>>2]=d;c=F[a+16>>2];e=F[a+20>>2]-c>>2;c:{if((e|0)>(d|0)){break c}F[f>>2]=-1;d=d+1|0;if(d>>>0>e>>>0){Fa(p,d-e|0,f);c=F[p>>2];break c}if(d>>>0>=e>>>0){break c}F[a+20>>2]=(d<<2)+c}F[c+h>>2]=o;d=1;o=o+1|0;if((o|0)!=(k|0)){continue}break a}break}d=0}Z=f+80|0;return d|0}function Oc(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;k=Z-16|0;Z=k;F[k+8>>2]=c;h=F[a+12>>2];d=F[a+8>>2];g=h-d>>2;a:{if((g|0)>(b|0)){break a}e=b+1|0;if(e>>>0>g>>>0){l=e-g|0;f=F[a+16>>2];d=F[a+12>>2];if(l>>>0<=f-d>>2>>>0){if(l){e=d;d=l<<2;d=ma(e,0,d)+d|0}F[a+12>>2]=d;break a}b:{c:{d:{m=F[a+8>>2];g=d-m>>2;i=g+l|0;if(i>>>0<1073741824){e=f-m|0;f=e>>>1|0;e=e>>>0>=2147483644?1073741823:f>>>0>i>>>0?f:i;if(e){if(e>>>0>=1073741824){break d}j=ka(e<<2)}h=(g<<2)+j|0;f=l<<2;i=ma(h,0,f);g=f+i|0;e=(e<<2)+j|0;if((d|0)==(m|0)){break c}while(1){d=d-4|0;f=F[d>>2];F[d>>2]=0;h=h-4|0;F[h>>2]=f;if((d|0)!=(m|0)){continue}break}F[a+16>>2]=e;e=F[a+12>>2];F[a+12>>2]=g;d=F[a+8>>2];F[a+8>>2]=h;if((d|0)==(e|0)){break b}while(1){e=e-4|0;f=F[e>>2];F[e>>2]=0;if(f){xa(f)}if((d|0)!=(e|0)){continue}break}break b}na();v()}oa();v()}F[a+16>>2]=e;F[a+12>>2]=g;F[a+8>>2]=i}if(d){ja(d)}break a}if(e>>>0>=g>>>0){break a}d=d+(e<<2)|0;if((d|0)!=(h|0)){while(1){h=h-4|0;c=F[h>>2];F[h>>2]=0;if(c){xa(c)}if((d|0)!=(h|0)){continue}break}c=F[k+8>>2]}F[a+12>>2]=d}e:{f:{d=F[c+56>>2];g:{if((d|0)>4){break g}j=L(d,12)+a|0;d=F[j+24>>2];if((d|0)!=F[j+28>>2]){F[d>>2]=b;F[j+24>>2]=d+4;break g}i=F[j+20>>2];g=d-i|0;f=g>>2;e=f+1|0;if(e>>>0>=1073741824){break f}d=g>>>1|0;e=g>>>0>=2147483644?1073741823:d>>>0>e>>>0?d:e;if(e){if(e>>>0>=1073741824){break e}d=ka(e<<2)}else{d=0}f=d+(f<<2)|0;F[f>>2]=b;d=pa(d,i,g);F[j+20>>2]=d;F[j+24>>2]=f+4;F[j+28>>2]=d+(e<<2);if(!i){break g}ja(i)}F[c+60>>2]=b;a=F[a+8>>2];F[k+8>>2]=0;a=a+(b<<2)|0;b=F[a>>2];F[a>>2]=c;if(b){xa(b)}a=F[k+8>>2];F[k+8>>2]=0;if(a){xa(a)}Z=k+16|0;return}na();v()}oa();v()}function Pf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;i=c;d=a;a:{if(F[a+12>>2]==(b|0)){break a}a=b;b=F[d+4>>2];e=F[d>>2];if((b|0)!=(e|0)){while(1){c=b-12|0;if(D[b-1|0]<0){ja(F[c>>2])}b=c;if((e|0)!=(b|0)){continue}break}}F[d+12>>2]=a;F[d+4>>2]=e;c=F[a>>2];j=a+4|0;if((c|0)==(j|0)){break a}while(1){a=F[d+4>>2];b:{if((a|0)!=F[d+8>>2]){c:{if(D[c+27|0]>=0){b=F[c+20>>2];F[a>>2]=F[c+16>>2];F[a+4>>2]=b;F[a+8>>2]=F[c+24>>2];break c}ra(a,F[c+16>>2],F[c+20>>2])}F[d+4>>2]=a+12;break b}g=0;d:{e:{f:{a=F[d+4>>2];e=F[d>>2];f=(a-e|0)/12|0;b=f+1|0;if(b>>>0<357913942){h=(F[d+8>>2]-e|0)/12|0;k=h<<1;b=h>>>0>=178956970?357913941:b>>>0>>0?k:b;if(b){if(b>>>0>=357913942){break f}g=ka(L(b,12))}h=L(b,12);b=L(f,12)+g|0;g:{if(D[c+27|0]>=0){f=F[c+20>>2];F[b>>2]=F[c+16>>2];F[b+4>>2]=f;F[b+8>>2]=F[c+24>>2];break g}ra(b,F[c+16>>2],F[c+20>>2]);e=F[d>>2];a=F[d+4>>2]}g=g+h|0;f=b+12|0;if((a|0)==(e|0)){break e}while(1){a=a-12|0;h=F[a+4>>2];b=b-12|0;F[b>>2]=F[a>>2];F[b+4>>2]=h;F[b+8>>2]=F[a+8>>2];F[a>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;if((a|0)!=(e|0)){continue}break}F[d+8>>2]=g;a=F[d+4>>2];F[d+4>>2]=f;e=F[d>>2];F[d>>2]=b;if((a|0)==(e|0)){break d}while(1){b=a-12|0;if(D[a-1|0]<0){ja(F[b>>2])}a=b;if((e|0)!=(b|0)){continue}break}break d}na();v()}oa();v()}F[d+8>>2]=g;F[d+4>>2]=f;F[d>>2]=b}if(e){ja(e)}}b=F[c+4>>2];h:{if(b){while(1){a=b;b=F[b>>2];if(b){continue}break h}}while(1){a=F[c+8>>2];b=F[a>>2]!=(c|0);c=a;if(b){continue}break}}c=a;if((j|0)!=(a|0)){continue}break}}a=0;i:{if((i|0)<0){break i}b=F[d>>2];if((F[d+4>>2]-b|0)/12>>>0<=i>>>0){break i}a=b+L(i,12)|0;a=D[a+11|0]<0?F[a>>2]:a}return a|0}function Ad(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;i=Z-16|0;Z=i;F[i>>2]=b;f=-1;a:{if((b|0)==-1){F[i+4>>2]=-1;break a}f=b+1|0;F[i+4>>2]=(f>>>0)%3|0?f:b-2|0;if((b>>>0)%3|0){f=b-1|0;break a}f=b+2|0}F[i+8>>2]=f;n=(b>>>0)/3|0;b:{c:{d:{while(1){e:{f:{j=F[(l<<2)+i>>2];if((j|0)!=-1){f=F[F[F[a+8>>2]+12>>2]+(j<<2)>>2];if((f|0)!=-1){break f}}f=0;g=F[a+216>>2];if((g|0)==F[a+220>>2]){break e}while(1){g=L(f,144)+g|0;d=F[g+136>>2];c=F[g+140>>2];g:{if(d>>>0>>0){F[d>>2]=j;F[g+136>>2]=d+4;break g}e=d;d=F[g+132>>2];k=e-d|0;e=k>>2;h=e+1|0;if(h>>>0>=1073741824){break d}m=e<<2;c=c-d|0;e=c>>>1|0;h=c>>>0>=2147483644?1073741823:h>>>0>>0?e:h;if(h){if(h>>>0>=1073741824){break c}c=ka(h<<2)}else{c=0}e=m+c|0;F[e>>2]=j;c=pa(c,d,k);F[g+132>>2]=c;F[g+136>>2]=e+4;F[g+140>>2]=c+(h<<2);if(!d){break g}ja(d)}f=f+1|0;g=F[a+216>>2];if(f>>>0<(F[a+220>>2]-g|0)/144>>>0){continue}break}break e}if((b|0)==-1|(f>>>0)/3>>>0>>0){break e}f=0;if(F[a+220>>2]==F[a+216>>2]){break e}while(1){h:{if(!wa(F[a+368>>2]+(f<<4)|0)){break h}g=F[a+216>>2]+L(f,144)|0;d=F[g+136>>2];c=F[g+140>>2];if(d>>>0>>0){F[d>>2]=j;F[g+136>>2]=d+4;break h}e=d;d=F[g+132>>2];k=e-d|0;e=k>>2;h=e+1|0;if(h>>>0>=1073741824){break b}m=e<<2;c=c-d|0;e=c>>>1|0;h=c>>>0>=2147483644?1073741823:h>>>0>>0?e:h;if(h){if(h>>>0>=1073741824){break c}c=ka(h<<2)}else{c=0}e=m+c|0;F[e>>2]=j;c=pa(c,d,k);F[g+132>>2]=c;F[g+136>>2]=e+4;F[g+140>>2]=c+(h<<2);if(!d){break h}ja(d)}f=f+1|0;if(f>>>0<(F[a+220>>2]-F[a+216>>2]|0)/144>>>0){continue}break}}l=l+1|0;if((l|0)!=3){continue}break}Z=i+16|0;return 1}na();v()}oa();v()}na();v()}function Bd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=Z-16|0;Z=h;m=-1;a:{b:{c:{if(!Da(1,h+12|0,b)){break c}j=F[h+12>>2];if(j){c=F[a+8>>2];if((F[c+4>>2]-F[c>>2]>>2>>>0)/3>>>0>>0){break c}while(1){if(!Da(1,h+8|0,b)){break c}c=F[h+8>>2];if(!Da(1,h+8|0,b)){break c}g=c+g|0;c=F[h+8>>2];if(g>>>0>>0){break c}e=g-c|0;c=F[a+40>>2];d:{if((c|0)!=F[a+44>>2]){F[c+4>>2]=g;F[c>>2]=e;F[a+40>>2]=c+12;j=F[h+12>>2];break d}d=c;c=F[a+36>>2];l=d-c|0;d=(l|0)/12|0;f=d+1|0;if(f>>>0>=357913942){break b}i=d<<1;f=d>>>0>=178956970?357913941:f>>>0>>0?i:f;if(f){if(f>>>0>=357913942){break a}i=ka(L(f,12))}else{i=0}d=i+L(d,12)|0;F[d+4>>2]=g;F[d>>2]=e;e=pa(d+L((l|0)/-12|0,12)|0,c,l);F[a+44>>2]=i+L(f,12);F[a+40>>2]=d+12;F[a+36>>2]=e;if(!c){break d}ja(c)}k=k+1|0;if(k>>>0>>0){continue}break}g=0;hc(b,0,0);if(j){while(1){c=G[b+36|0];d=H[F[a+4>>2]+36>>1];e:{f:{if(((d<<8|d>>>8)&65535)>>>0<=513){if(!c){break e}e=0;d=F[b+32>>2];k=d>>>3|0;f=F[b+24>>2];c=k+f|0;i=F[b+28>>2];g:{if(c>>>0>=i>>>0){c=d;break g}e=G[c|0];c=d+1|0;F[b+32>>2]=c;k=c>>>3|0;e=e>>>(d&7)&1}if(i>>>0>f+k>>>0){break f}break e}if(!c){break e}e=0;c=F[b+32>>2];d=F[b+24>>2]+(c>>>3|0)|0;if(d>>>0>=I[b+28>>2]){break e}e=G[d|0]>>>(c&7)&1}F[b+32>>2]=c+1}c=F[a+36>>2]+L(g,12)|0;D[c+8|0]=G[c+8|0]&254|e&1;g=g+1|0;if((j|0)!=(g|0)){continue}break}}D[b+36|0]=0;d=F[b+20>>2];a=0;e=F[b+32>>2]+7|0;a=e>>>0<7?1:a;e=a<<29|e>>>3;c=e+F[b+16>>2]|0;a=(a>>>3|0)+d|0;F[b+16>>2]=c;F[b+20>>2]=c>>>0>>0?a+1|0:a}m=F[b+16>>2]}Z=h+16|0;return m}na();v()}oa();v()}function xf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;m=Z-16|0;Z=m;l=F[b+80>>2];e=G[c+24|0];a=L(l,e);a:{b:{c:{d:{b=F[c+28>>2];if(!(!G[c+84|0]|(b|0)!=1&(b|0)!=2)){b=F[c+48>>2];c=F[F[c>>2]>>2];F[m+8>>2]=0;F[m>>2]=0;F[m+4>>2]=0;if(a){if((a|0)<0){break d}f=ka(a);h=la(f,b+c|0,a)+a|0}a=F[d>>2];if(a){F[d+4>>2]=a;ja(a)}F[d+8>>2]=h;F[d+4>>2]=h;F[d>>2]=f;b=1;break a}if(e){f=ka(e);ma(f,0,e)}e:{i=F[d+4>>2];b=F[d>>2];g=i-b|0;f:{if(g>>>0>>0){k=a-g|0;j=F[d+8>>2];if(k>>>0<=j-i>>>0){n=d,o=ma(i,0,k)+k|0,F[n+4>>2]=o;break f}if((a|0)<0){break e}i=j-b|0;j=i<<1;i=i>>>0>=1073741823?2147483647:a>>>0>>0?j:a;j=ka(i);ma(j+g|0,0,k);g=pa(j,b,g);F[d+8>>2]=g+i;F[d+4>>2]=a+g;F[d>>2]=g;if(!b){break f}ja(b);break f}if(a>>>0>=g>>>0){break f}F[d+4>>2]=a+b}if(!l){b=1;break c}if(!e){b=0;a=0;while(1){if(!Cb(c,G[c+84|0]?a:F[F[c+68>>2]+(a<<2)>>2],D[c+24|0],f)){break c}a=a+1|0;b=l>>>0<=a>>>0;if((a|0)!=(l|0)){continue}break}break c}i=e&252;g=e&3;b=0;j=e>>>0<4;e=0;while(1){if(!Cb(c,G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],D[c+24|0],f)){break c}b=0;a=0;k=0;if(!j){while(1){D[F[d>>2]+h|0]=G[a+f|0];D[(F[d>>2]+h|0)+1|0]=G[(a|1)+f|0];D[(F[d>>2]+h|0)+2|0]=G[(a|2)+f|0];D[(F[d>>2]+h|0)+3|0]=G[(a|3)+f|0];a=a+4|0;h=h+4|0;k=k+4|0;if((i|0)!=(k|0)){continue}break}}if(g){while(1){D[F[d>>2]+h|0]=G[a+f|0];a=a+1|0;h=h+1|0;b=b+1|0;if((g|0)!=(b|0)){continue}break}}e=e+1|0;b=l>>>0<=e>>>0;if((e|0)!=(l|0)){continue}break}break b}na();v()}na();v()}if(!f){break a}}ja(f)}Z=m+16|0;return b&1}function wf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var 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c}b=0;a=0;k=0;if(!j){while(1){D[F[d>>2]+h|0]=G[a+f|0];D[(F[d>>2]+h|0)+1|0]=G[(a|1)+f|0];D[(F[d>>2]+h|0)+2|0]=G[(a|2)+f|0];D[(F[d>>2]+h|0)+3|0]=G[(a|3)+f|0];a=a+4|0;h=h+4|0;k=k+4|0;if((i|0)!=(k|0)){continue}break}}if(g){while(1){D[F[d>>2]+h|0]=G[a+f|0];a=a+1|0;h=h+1|0;b=b+1|0;if((g|0)!=(b|0)){continue}break}}e=e+1|0;b=l>>>0<=e>>>0;if((e|0)!=(l|0)){continue}break}break b}na();v()}na();v()}if(!f){break a}}ja(f)}Z=m+16|0;return b&1}function Jb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;k=F[b+16>>2];h=F[c+4>>2]-k|0;e=F[c>>2]-k|0;F[c>>2]=e;f=h;F[c+4>>2]=f;l=F[b+16>>2];f=f>>31;g=(h^f)-f|0;f=e>>31;m=l>>>0>=g+((f^e)-f|0)>>>0;a:{if(m){f=h;break a}b:{c:{if((e|0)>=0){g=1;j=1;if((h|0)>=0){break b}i=1;g=-1;j=-1;if(e){break c}break b}i=-1;g=-1;j=-1;if((h|0)<=0){break b}}g=(h|0)<=0?-1:1;j=i}n=L(j,l);f=(e<<1)-n|0;i=(L(g,j)|0)>=0;e=L(g,l);f=((i?0-f|0:f)+e|0)/2|0;F[c+4>>2]=f;e=(h<<1)-e|0;e=((i?0-e|0:e)+n|0)/2|0;F[c>>2]=e}d:{e:{f:{g:{h:{i:{j:{if(e){if((e|0)<0){break j}if((f|0)>=0){break i}break f}if(f){break h}j=1;g=0;f=0;i=0;break d}j=1;if((f|0)>0){break g}i=(f|0)>0?3:0;g=f;f=e;break d}g=0-f|0;f=0-e|0;i=2;break e}if((f|0)<=0){break f}}f=0-f|0;g=e;i=3;break e}g=0-e|0;i=1}F[c>>2]=f;F[c+4>>2]=g;j=0}e=F[d>>2]+f|0;h=F[b+16>>2];k:{if((e|0)>(h|0)){e=e-F[b+4>>2]|0;break k}if((0-h|0)<=(e|0)){break k}e=F[b+4>>2]+e|0}c=F[d+4>>2]+g|0;l:{if((h|0)<(c|0)){c=c-F[b+4>>2]|0;break l}if((0-h|0)<=(c|0)){break l}c=F[b+4>>2]+c|0}m:{if(j){b=c;break m}b=c;n:{o:{p:{d=4-i|0;switch((d>>>0<4?d:0-i|0)-1|0){case 2:break n;case 1:break o;case 0:break p;default:break m}}b=0-e|0;e=c;break m}b=0-c|0;e=0-e|0;break m}b=e;e=0-c|0}q:{if(m){c=b;break q}r:{s:{if((e|0)>=0){c=1;f=1;if((b|0)>=0){break r}d=1;c=-1;f=-1;if(e){break s}break r}d=-1;c=-1;f=-1;if((b|0)<=0){break r}}c=(b|0)<=0?-1:1;f=d}d=e<<1;e=L(f,h);d=d-e|0;f=(L(c,f)|0)>=0;g=f?0-d|0:d;d=L(c,h);c=(g+d|0)/2|0;b=(b<<1)-d|0;e=(e+(f?0-b|0:b)|0)/2|0}b=a;F[b>>2]=e+k;F[b+4>>2]=c+k}function Uh(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;F[a+8>>2]=e;m=a+32|0;h=F[m>>2];g=F[a+36>>2]-h>>2;a:{if(g>>>0>>0){qa(m,e-g|0);f=F[a+8>>2];break a}f=e;if(f>>>0>=g>>>0){break a}F[a+36>>2]=h+(e<<2);f=e}g=e>>>0>1073741823?-1:e<<2;n=ma(ka(g),0,g);b:{if((f|0)<=0){break b}h=F[a+32>>2];while(1){f=i<<2;g=F[f+n>>2];j=F[a+16>>2];c:{if((g|0)>(j|0)){F[f+h>>2]=j;break c}f=f+h|0;j=F[a+12>>2];if((j|0)>(g|0)){F[f>>2]=j;break c}F[f>>2]=g}f=F[a+8>>2];i=i+1|0;if((f|0)>(i|0)){continue}break}if((f|0)<=0){break b}i=0;while(1){g=i<<2;f=g+c|0;g=F[b+g>>2]+F[g+h>>2]|0;F[f>>2]=g;d:{if((g|0)>F[a+16>>2]){g=g-F[a+20>>2]|0}else{if((g|0)>=F[a+12>>2]){break d}g=g+F[a+20>>2]|0}F[f>>2]=g}f=F[a+8>>2];i=i+1|0;if((f|0)>(i|0)){continue}break}}if(!((d|0)<=(e|0)|(f|0)<=0)){p=0-e<<2;g=e;while(1){e:{if((f|0)<=0){break e}l=g<<2;o=l+c|0;q=o+p|0;j=F[m>>2];i=0;while(1){f=i<<2;h=F[f+q>>2];k=F[a+16>>2];f:{if((h|0)>(k|0)){F[f+j>>2]=k;break f}f=f+j|0;k=F[a+12>>2];if((k|0)>(h|0)){F[f>>2]=k;break f}F[f>>2]=h}f=F[a+8>>2];i=i+1|0;if((f|0)>(i|0)){continue}break}i=0;if((f|0)<=0){break e}l=b+l|0;while(1){h=i<<2;f=h+o|0;h=F[h+l>>2]+F[h+j>>2]|0;F[f>>2]=h;g:{if((h|0)>F[a+16>>2]){h=h-F[a+20>>2]|0}else{if((h|0)>=F[a+12>>2]){break g}h=h+F[a+20>>2]|0}F[f>>2]=h}f=F[a+8>>2];i=i+1|0;if((f|0)>(i|0)){continue}break}}g=e+g|0;if((g|0)<(d|0)){continue}break}}ja(n);return 1}function yf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;j=F[b+80>>2];b=G[c+24|0];g=L(j,b);a:{if(!b){break a}h=b<<2;f=ka(h);a=f;k=b&7;if(k){while(1){F[a>>2]=-1073741824;a=a+4|0;e=e+1|0;if((k|0)!=(e|0)){continue}break}}if((b-1&1073741823)>>>0<7){break a}e=f+h|0;while(1){F[a+24>>2]=-1073741824;F[a+28>>2]=-1073741824;F[a+16>>2]=-1073741824;F[a+20>>2]=-1073741824;F[a+8>>2]=-1073741824;F[a+12>>2]=-1073741824;F[a>>2]=-1073741824;F[a+4>>2]=-1073741824;a=a+32|0;if((e|0)!=(a|0)){continue}break}}e=F[d>>2];a=F[d+4>>2]-e>>2;b:{if(a>>>0>>0){qa(d,g-a|0);break b}if(a>>>0<=g>>>0){break b}F[d+4>>2]=e+(g<<2)}c:{d:{e:{if(!j){i=1;break e}if(!b){a=0;while(1){if(!lb(c,G[c+84|0]?a:F[F[c+68>>2]+(a<<2)>>2],D[c+24|0],f)){break e}a=a+1|0;i=j>>>0<=a>>>0;if((a|0)!=(j|0)){continue}break}break e}n=b&252;k=b&3;o=b>>>0<4;e=0;b=0;while(1){if(!lb(c,G[c+84|0]?b:F[F[c+68>>2]+(b<<2)>>2],D[c+24|0],f)){break e}m=F[d>>2];i=0;a=0;l=0;if(!o){while(1){g=(e<<2)+m|0;h=a<<2;J[g>>2]=J[h+f>>2];J[g+4>>2]=J[(h|4)+f>>2];J[g+8>>2]=J[(h|8)+f>>2];J[g+12>>2]=J[(h|12)+f>>2];a=a+4|0;e=e+4|0;l=l+4|0;if((n|0)!=(l|0)){continue}break}}if(k){while(1){J[(e<<2)+m>>2]=J[(a<<2)+f>>2];a=a+1|0;e=e+1|0;i=i+1|0;if((k|0)!=(i|0)){continue}break}}b=b+1|0;i=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break d}if(!f){break c}}ja(f)}return i|0}function $d(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;k=Z-16|0;Z=k;c=F[b+20>>2];d=F[b+16>>2];e=d+4|0;c=e>>>0<4?c+1|0:c;g=F[b+12>>2];a:{if(I[b+8>>2]>>0&(g|0)<=(c|0)|(c|0)>(g|0)){break a}d=d+F[b>>2]|0;h=G[d|0]|G[d+1|0]<<8|(G[d+2|0]<<16|G[d+3|0]<<24);F[b+16>>2]=e;F[b+20>>2]=c;if((h|0)<0){break a}Na(a+76|0,h);c=k;F[c>>2]=0;F[c+4>>2]=0;D[c+5|0]=0;D[c+6|0]=0;D[c+7|0]=0;D[c+8|0]=0;D[c+9|0]=0;D[c+10|0]=0;D[c+11|0]=0;D[c+12|0]=0;b:{if(!Aa(c,b)){break b}if(h){g=1;while(1){d=1<>2]+(i>>>3&536870908)|0;e=e^g;if(e&1){d=F[f>>2]&(d^-1)}else{d=d|F[f>>2]}g=e^1;F[f>>2]=d;i=i+1|0;if((h|0)!=(i|0)){continue}break}}i=0;c=F[b+8>>2];e=F[b+12>>2];f=e;e=F[b+20>>2];g=e;l=F[b+16>>2];d=l+4|0;e=d>>>0<4?e+1|0:e;h=d;if(d>>>0>c>>>0&(e|0)>=(f|0)|(e|0)>(f|0)){break b}m=F[b>>2];d=m+l|0;j=G[d|0]|G[d+1|0]<<8|(G[d+2|0]<<16|G[d+3|0]<<24);F[b+16>>2]=h;F[b+20>>2]=e;d=c;c=g;e=l+8|0;c=e>>>0<8?c+1|0:c;if(d>>>0>>0&(c|0)>=(f|0)|(c|0)>(f|0)){break b}d=h+m|0;d=G[d|0]|G[d+1|0]<<8|(G[d+2|0]<<16|G[d+3|0]<<24);F[b+16>>2]=e;F[b+20>>2]=c;if((d|0)<(j|0)){break b}F[a+16>>2]=d;F[a+12>>2]=j;c=(d>>31)-((j>>31)+(d>>>0>>0)|0)|0;b=d-j|0;if(!c&b>>>0>2147483646|c){break b}i=1;c=b+1|0;F[a+20>>2]=c;b=c>>>1|0;F[a+24>>2]=b;F[a+28>>2]=0-b;if(c&1){break b}F[a+24>>2]=b-1}}Z=k+16|0;return i|0}function tf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;a=0;k=Z-16|0;Z=k;j=F[b+80>>2];e=G[c+24|0];b=L(j,e);a:{b:{c:{d:{f=F[c+28>>2];if(!(!G[c+84|0]|(f|0)!=5&(f|0)!=6)){e=F[c+48>>2];c=F[F[c>>2]>>2];F[k+8>>2]=0;F[k>>2]=0;F[k+4>>2]=0;if(b){if((b|0)<0){break d}b=b<<2;a=ka(b);g=la(a,c+e|0,b)+b|0}b=F[d>>2];if(b){F[d+4>>2]=b;ja(b)}F[d+8>>2]=g;F[d+4>>2]=g;F[d>>2]=a;h=1;break a}if(e){f=e<<2;a=ka(f);ma(a,0,f)}i=F[d>>2];f=F[d+4>>2]-i>>2;e:{if(f>>>0>>0){qa(d,b-f|0);break e}if(b>>>0>=f>>>0){break e}F[d+4>>2]=i+(b<<2)}if(!j){h=1;break c}if(!e){b=0;while(1){if(!xb(c,G[c+84|0]?b:F[F[c+68>>2]+(b<<2)>>2],D[c+24|0],a)){break c}b=b+1|0;h=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break c}o=e&252;m=e&3;p=e>>>0<4;e=0;while(1){if(!xb(c,G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],D[c+24|0],a)){break c}n=F[d>>2];l=0;b=0;h=0;if(!p){while(1){f=(g<<2)+n|0;i=b<<2;F[f>>2]=F[i+a>>2];F[f+4>>2]=F[(i|4)+a>>2];F[f+8>>2]=F[(i|8)+a>>2];F[f+12>>2]=F[(i|12)+a>>2];b=b+4|0;g=g+4|0;h=h+4|0;if((o|0)!=(h|0)){continue}break}}if(m){while(1){F[(g<<2)+n>>2]=F[(b<<2)+a>>2];b=b+1|0;g=g+1|0;l=l+1|0;if((l|0)!=(m|0)){continue}break}}e=e+1|0;h=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}break b}na();v()}if(!a){break a}}ja(a)}Z=k+16|0;return h|0}function cd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;a=0;k=Z-16|0;Z=k;j=F[b+80>>2];e=G[c+24|0];b=L(j,e);a:{b:{c:{d:{f=F[c+28>>2];if(!(!G[c+84|0]|(f|0)!=5&(f|0)!=6)){e=F[c+48>>2];c=F[F[c>>2]>>2];F[k+8>>2]=0;F[k>>2]=0;F[k+4>>2]=0;if(b){if((b|0)<0){break d}b=b<<2;a=ka(b);g=la(a,c+e|0,b)+b|0}b=F[d>>2];if(b){F[d+4>>2]=b;ja(b)}F[d+8>>2]=g;F[d+4>>2]=g;F[d>>2]=a;h=1;break a}if(e){f=e<<2;a=ka(f);ma(a,0,f)}i=F[d>>2];f=F[d+4>>2]-i>>2;e:{if(f>>>0>>0){qa(d,b-f|0);break e}if(b>>>0>=f>>>0){break e}F[d+4>>2]=i+(b<<2)}if(!j){h=1;break c}if(!e){b=0;while(1){if(!yb(c,G[c+84|0]?b:F[F[c+68>>2]+(b<<2)>>2],D[c+24|0],a)){break c}b=b+1|0;h=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break c}o=e&252;m=e&3;p=e>>>0<4;e=0;while(1){if(!yb(c,G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],D[c+24|0],a)){break c}n=F[d>>2];l=0;b=0;h=0;if(!p){while(1){f=(g<<2)+n|0;i=b<<2;F[f>>2]=F[i+a>>2];F[f+4>>2]=F[(i|4)+a>>2];F[f+8>>2]=F[(i|8)+a>>2];F[f+12>>2]=F[(i|12)+a>>2];b=b+4|0;g=g+4|0;h=h+4|0;if((o|0)!=(h|0)){continue}break}}if(m){while(1){F[(g<<2)+n>>2]=F[(b<<2)+a>>2];b=b+1|0;g=g+1|0;l=l+1|0;if((l|0)!=(m|0)){continue}break}}e=e+1|0;h=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}break b}na();v()}if(!a){break a}}ja(a)}Z=k+16|0;return h|0}function vf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;a=0;k=Z-16|0;Z=k;j=F[b+80>>2];e=G[c+24|0];b=L(j,e);a:{b:{c:{d:{f=F[c+28>>2];if(!(!G[c+84|0]|(f|0)!=3&(f|0)!=4)){e=F[c+48>>2];c=F[F[c>>2]>>2];F[k+8>>2]=0;F[k>>2]=0;F[k+4>>2]=0;if(b){if((b|0)<0){break d}b=b<<1;a=ka(b);g=la(a,c+e|0,b)+b|0}b=F[d>>2];if(b){F[d+4>>2]=b;ja(b)}F[d+8>>2]=g;F[d+4>>2]=g;F[d>>2]=a;h=1;break a}if(e){f=e<<1;a=ka(f);ma(a,0,f)}i=F[d>>2];f=F[d+4>>2]-i>>1;e:{if(f>>>0>>0){kd(d,b-f|0);break e}if(b>>>0>=f>>>0){break e}F[d+4>>2]=i+(b<<1)}if(!j){h=1;break c}if(!e){b=0;while(1){if(!Ab(c,G[c+84|0]?b:F[F[c+68>>2]+(b<<2)>>2],D[c+24|0],a)){break c}b=b+1|0;h=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break c}o=e&252;m=e&3;p=e>>>0<4;e=0;while(1){if(!Ab(c,G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],D[c+24|0],a)){break c}n=F[d>>2];l=0;b=0;h=0;if(!p){while(1){f=(g<<1)+n|0;i=b<<1;E[f>>1]=H[i+a>>1];E[f+2>>1]=H[(i|2)+a>>1];E[f+4>>1]=H[(i|4)+a>>1];E[f+6>>1]=H[(i|6)+a>>1];b=b+4|0;g=g+4|0;h=h+4|0;if((o|0)!=(h|0)){continue}break}}if(m){while(1){E[(g<<1)+n>>1]=H[(b<<1)+a>>1];b=b+1|0;g=g+1|0;l=l+1|0;if((l|0)!=(m|0)){continue}break}}e=e+1|0;h=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}break b}na();v()}if(!a){break a}}ja(a)}Z=k+16|0;return h|0}function uf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;a=0;k=Z-16|0;Z=k;j=F[b+80>>2];e=G[c+24|0];b=L(j,e);a:{b:{c:{d:{f=F[c+28>>2];if(!(!G[c+84|0]|(f|0)!=3&(f|0)!=4)){e=F[c+48>>2];c=F[F[c>>2]>>2];F[k+8>>2]=0;F[k>>2]=0;F[k+4>>2]=0;if(b){if((b|0)<0){break d}b=b<<1;a=ka(b);g=la(a,c+e|0,b)+b|0}b=F[d>>2];if(b){F[d+4>>2]=b;ja(b)}F[d+8>>2]=g;F[d+4>>2]=g;F[d>>2]=a;h=1;break a}if(e){f=e<<1;a=ka(f);ma(a,0,f)}i=F[d>>2];f=F[d+4>>2]-i>>1;e:{if(f>>>0>>0){kd(d,b-f|0);break e}if(b>>>0>=f>>>0){break e}F[d+4>>2]=i+(b<<1)}if(!j){h=1;break c}if(!e){b=0;while(1){if(!zb(c,G[c+84|0]?b:F[F[c+68>>2]+(b<<2)>>2],D[c+24|0],a)){break c}b=b+1|0;h=j>>>0<=b>>>0;if((b|0)!=(j|0)){continue}break}break c}o=e&252;m=e&3;p=e>>>0<4;e=0;while(1){if(!zb(c,G[c+84|0]?e:F[F[c+68>>2]+(e<<2)>>2],D[c+24|0],a)){break c}n=F[d>>2];l=0;b=0;h=0;if(!p){while(1){f=(g<<1)+n|0;i=b<<1;E[f>>1]=H[i+a>>1];E[f+2>>1]=H[(i|2)+a>>1];E[f+4>>1]=H[(i|4)+a>>1];E[f+6>>1]=H[(i|6)+a>>1];b=b+4|0;g=g+4|0;h=h+4|0;if((o|0)!=(h|0)){continue}break}}if(m){while(1){E[(g<<1)+n>>1]=H[(b<<1)+a>>1];b=b+1|0;g=g+1|0;l=l+1|0;if((l|0)!=(m|0)){continue}break}}e=e+1|0;h=j>>>0<=e>>>0;if((e|0)!=(j|0)){continue}break}break b}na();v()}if(!a){break a}}ja(a)}Z=k+16|0;return h|0}function kc(a,b){var c=0,d=0,e=0,f=0,g=0;f=-1;d=-1;a:{if((b|0)==-1){break a}d=b+1|0;f=(d>>>0)%3|0?d:b-2|0;d=b-1|0;if((b>>>0)%3|0){break a}d=b+2|0}b:{c:{d:{switch(F[a+168>>2]){case 0:case 1:e=F[a+148>>2];c=1;b=F[a+156>>2];g=b+(((f|0)==-1?-1:F[F[e>>2]+(f<<2)>>2])<<2)|0;F[g>>2]=F[g>>2]+1;b=(((d|0)==-1?-1:F[F[e>>2]+(d<<2)>>2])<<2)+b|0;break c;case 5:e=F[a+148>>2];c=-1;c=((b|0)!=-1?F[F[e>>2]+(b<<2)>>2]:c)<<2;b=F[a+156>>2];c=c+b|0;F[c>>2]=F[c>>2]+1;c=(((f|0)==-1?-1:F[F[e>>2]+(f<<2)>>2])<<2)+b|0;F[c>>2]=F[c>>2]+1;c=2;b=(((d|0)==-1?-1:F[F[e>>2]+(d<<2)>>2])<<2)+b|0;break c;case 3:e=F[a+148>>2];c=-1;c=((b|0)!=-1?F[F[e>>2]+(b<<2)>>2]:c)<<2;b=F[a+156>>2];c=c+b|0;F[c>>2]=F[c>>2]+1;c=(((f|0)==-1?-1:F[F[e>>2]+(f<<2)>>2])<<2)+b|0;F[c>>2]=F[c>>2]+2;c=1;b=(((d|0)==-1?-1:F[F[e>>2]+(d<<2)>>2])<<2)+b|0;break c;case 7:break d;default:break b}}e=F[a+148>>2];c=-1;c=((b|0)!=-1?F[F[e>>2]+(b<<2)>>2]:c)<<2;b=F[a+156>>2];c=c+b|0;F[c>>2]=F[c>>2]+2;c=(((f|0)==-1?-1:F[F[e>>2]+(f<<2)>>2])<<2)+b|0;F[c>>2]=F[c>>2]+2;c=2;b=(((d|0)==-1?-1:F[F[e>>2]+(d<<2)>>2])<<2)+b|0}F[b>>2]=F[b>>2]+c}c=a;b=F[F[a+156>>2]+(((f|0)==-1?-1:F[F[F[a+148>>2]>>2]+(f<<2)>>2])<<2)>>2];d=F[a+180>>2];a=F[a+176>>2];F[c+172>>2]=(a|0)<=(b|0)?((b|0)<(d|0)?b:d)-a|0:0}function Dg(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;a:{b=F[a+32>>2];f=F[b+8>>2];h=F[b+12>>2];g=F[b+20>>2];c=F[b+16>>2];e=0;b:{if((h|0)<=(g|0)&c>>>0>=f>>>0|(g|0)>(h|0)){break b}f=G[F[b>>2]+c|0];e=b;b=g;c=c+1|0;b=c?b:b+1|0;F[e+16>>2]=c;F[e+20>>2]=b;c:{if(!f){break c}while(1){if($[F[F[a>>2]+16>>2]](a,d)|0){d=d+1|0;if((f|0)!=(d|0)){continue}break c}break}return 0}d=F[a+8>>2];b=F[a+12>>2];if((d|0)!=(b|0)){while(1){c=F[d>>2];if(!($[F[F[c>>2]+8>>2]](c,a,F[a+4>>2])|0)){break a}d=d+4|0;if((b|0)!=(d|0)){continue}break}}d:{if(!f){break d}d=0;while(1){b=F[F[a+8>>2]+(d<<2)>>2];if(!($[F[F[b>>2]+12>>2]](b,F[a+32>>2])|0)){break a}d=d+1|0;if((f|0)!=(d|0)){continue}break}if(!f){break d}i=a+20|0;b=0;while(1){d=0;j=b<<2;c=F[j+F[a+8>>2]>>2];k=$[F[F[c>>2]+24>>2]](c)|0;if((k|0)>0){while(1){c=F[F[a+8>>2]+j>>2];c=$[F[F[c>>2]+20>>2]](c,d)|0;e=F[a+20>>2];g=F[a+24>>2]-e>>2;e:{if(c>>>0>>0){break e}h=c+1|0;if(h>>>0>g>>>0){qa(i,h-g|0);e=F[i>>2];break e}if(g>>>0<=h>>>0){break e}F[a+24>>2]=(h<<2)+e}F[(c<<2)+e>>2]=b;d=d+1|0;if((k|0)!=(d|0)){continue}break}}b=b+1|0;if((f|0)!=(b|0)){continue}break}}e=0;if(!($[F[F[a>>2]+28>>2]](a)|0)){break b}e=$[F[F[a>>2]+32>>2]](a)|0}return e|0}return 0}function Ye(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0;Oc(a,b,c);c=F[a+84>>2];d=F[a+88>>2]-c>>2;a:{if((d|0)>(b|0)){break a}b=b+1|0;if(b>>>0>d>>>0){b:{d=b-d|0;e=F[a+92>>2];c=F[a+88>>2];if(d>>>0<=e-c>>2>>>0){c:{if(!d){break c}b=c;e=d&7;if(e){while(1){F[b>>2]=1;b=b+4|0;f=f+1|0;if((e|0)!=(f|0)){continue}break}}c=(d<<2)+c|0;if((d-1&1073741823)>>>0<7){break c}while(1){F[b+24>>2]=1;F[b+28>>2]=1;F[b+16>>2]=1;F[b+20>>2]=1;F[b+8>>2]=1;F[b+12>>2]=1;F[b>>2]=1;F[b+4>>2]=1;b=b+32|0;if((c|0)!=(b|0)){continue}break}}F[a+88>>2]=c;break b}d:{b=c;c=F[a+84>>2];i=b-c|0;g=i>>2;b=g+d|0;if(b>>>0<1073741824){e=e-c|0;h=e>>>1|0;e=e>>>0>=2147483644?1073741823:b>>>0>>0?h:b;if(e){if(e>>>0>=1073741824){break d}j=ka(e<<2)}g=(g<<2)+j|0;b=g;h=d&7;if(h){while(1){F[b>>2]=1;b=b+4|0;f=f+1|0;if((h|0)!=(f|0)){continue}break}}f=g+(d<<2)|0;if((d-1&1073741823)>>>0>=7){while(1){F[b+24>>2]=1;F[b+28>>2]=1;F[b+16>>2]=1;F[b+20>>2]=1;F[b+8>>2]=1;F[b+12>>2]=1;F[b>>2]=1;F[b+4>>2]=1;b=b+32|0;if((f|0)!=(b|0)){continue}break}}b=pa(j,c,i);F[a+88>>2]=f;F[a+84>>2]=b;F[a+92>>2]=b+(e<<2);if(c){ja(c)}break b}na();v()}oa();v()}return}if(b>>>0>=d>>>0){break a}F[a+88>>2]=c+(b<<2)}}function ab(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;d=F[a+8>>2];e=F[a+4>>2];if(d-e>>2>>>0>=b>>>0){a:{if(!b){break a}d=e;g=b&7;if(g){while(1){F[d>>2]=F[c>>2];d=d+4|0;f=f+1|0;if((g|0)!=(f|0)){continue}break}}e=(b<<2)+e|0;if((b-1&1073741823)>>>0<7){break a}while(1){F[d>>2]=F[c>>2];F[d+4>>2]=F[c>>2];F[d+8>>2]=F[c>>2];F[d+12>>2]=F[c>>2];F[d+16>>2]=F[c>>2];F[d+20>>2]=F[c>>2];F[d+24>>2]=F[c>>2];F[d+28>>2]=F[c>>2];d=d+32|0;if((e|0)!=(d|0)){continue}break}}F[a+4>>2]=e;return}b:{i=F[a>>2];f=e-i>>2;h=f+b|0;if(h>>>0<1073741824){j=d-i|0;d=j>>>1|0;h=j>>>0>=2147483644?1073741823:d>>>0>h>>>0?d:h;if(h){if(h>>>0>=1073741824){break b}k=ka(h<<2)}f=(f<<2)+k|0;d=f;j=b&7;if(j){while(1){F[d>>2]=F[c>>2];d=d+4|0;g=g+1|0;if((j|0)!=(g|0)){continue}break}}g=(b<<2)+f|0;if((b-1&1073741823)>>>0>=7){while(1){F[d>>2]=F[c>>2];F[d+4>>2]=F[c>>2];F[d+8>>2]=F[c>>2];F[d+12>>2]=F[c>>2];F[d+16>>2]=F[c>>2];F[d+20>>2]=F[c>>2];F[d+24>>2]=F[c>>2];F[d+28>>2]=F[c>>2];d=d+32|0;if((g|0)!=(d|0)){continue}break}}if((e|0)!=(i|0)){while(1){f=f-4|0;e=e-4|0;F[f>>2]=F[e>>2];if((e|0)!=(i|0)){continue}break}}F[a+8>>2]=(h<<2)+k;F[a+4>>2]=g;F[a>>2]=f;if(i){ja(i)}return}na();v()}oa();v()}function Xb(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;d=F[a+8>>2];e=F[a>>2];if(d-e>>2>>>0>=b>>>0){f=F[a+4>>2];h=f-e>>2;i=b>>>0>h>>>0?h:b;a:{if(!i){break a}d=e;g=i;j=g&7;if(j){while(1){F[d>>2]=F[c>>2];g=g-1|0;d=d+4|0;k=k+1|0;if((k|0)!=(j|0)){continue}break}}if(i>>>0<8){break a}while(1){F[d>>2]=F[c>>2];F[d+4>>2]=F[c>>2];F[d+8>>2]=F[c>>2];F[d+12>>2]=F[c>>2];F[d+16>>2]=F[c>>2];F[d+20>>2]=F[c>>2];F[d+24>>2]=F[c>>2];F[d+28>>2]=F[c>>2];d=d+32|0;g=g-8|0;if(g){continue}break}}if(b>>>0>h>>>0){b=(b-h<<2)+f|0;while(1){F[f>>2]=F[c>>2];f=f+4|0;if((b|0)!=(f|0)){continue}break}F[a+4>>2]=b;return}F[a+4>>2]=e+(b<<2);return}if(e){F[a+4>>2]=e;ja(e);F[a+8>>2]=0;F[a>>2]=0;F[a+4>>2]=0;d=0}b:{if(b>>>0>=1073741824){break b}e=d>>>1|0;d=d>>>0>=2147483644?1073741823:b>>>0>>0?e:b;if(d>>>0>=1073741824){break b}d=d<<2;e=ka(d);F[a>>2]=e;F[a+8>>2]=d+e;c=F[c>>2];d=e;g=b&7;if(g){while(1){F[d>>2]=c;d=d+4|0;f=f+1|0;if((g|0)!=(f|0)){continue}break}}e=e+(b<<2)|0;if((b-1&1073741823)>>>0>=7){while(1){F[d+28>>2]=c;F[d+24>>2]=c;F[d+20>>2]=c;F[d+16>>2]=c;F[d+12>>2]=c;F[d+8>>2]=c;F[d+4>>2]=c;F[d>>2]=c;d=d+32|0;if((e|0)!=(d|0)){continue}break}}F[a+4>>2]=e;return}na();v()}function Ka(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;f=(c>>>0)/3|0;j=F[(F[F[a+8>>2]+96>>2]+L(f,12)|0)+(c-L(f,3)<<2)>>2];a:{h=F[F[a+12>>2]+4>>2];e=F[h+4>>2];if((e|0)!=F[h+8>>2]){F[e>>2]=j;F[h+4>>2]=e+4;break a}b:{i=F[h>>2];f=e-i|0;g=f>>2;d=g+1|0;if(d>>>0<1073741824){k=g<<2;g=f>>>1|0;g=f>>>0>=2147483644?1073741823:d>>>0>>0?g:d;if(g){if(g>>>0>=1073741824){break b}f=ka(g<<2)}else{f=0}d=k+f|0;F[d>>2]=j;j=d+4|0;if((e|0)!=(i|0)){while(1){d=d-4|0;e=e-4|0;F[d>>2]=F[e>>2];if((e|0)!=(i|0)){continue}break}}F[h+8>>2]=f+(g<<2);F[h+4>>2]=j;F[h>>2]=d;if(i){ja(i)}break a}na();v()}oa();v()}c:{d:{h=F[a+4>>2];e=F[h+4>>2];e:{if((e|0)!=F[h+8>>2]){F[e>>2]=c;F[h+4>>2]=e+4;break e}i=F[h>>2];f=e-i|0;j=f>>2;d=j+1|0;if(d>>>0>=1073741824){break d}g=f>>>1|0;g=f>>>0>=2147483644?1073741823:d>>>0>>0?g:d;if(g){if(g>>>0>=1073741824){break c}f=ka(g<<2)}else{f=0}d=f+(j<<2)|0;F[d>>2]=c;c=d+4|0;if((e|0)!=(i|0)){while(1){d=d-4|0;e=e-4|0;F[d>>2]=F[e>>2];if((e|0)!=(i|0)){continue}break}}F[h+8>>2]=f+(g<<2);F[h+4>>2]=c;F[h>>2]=d;if(!i){break e}ja(i)}a=F[a+4>>2];F[F[a+12>>2]+(b<<2)>>2]=F[a+24>>2];F[a+24>>2]=F[a+24>>2]+1;return}na();v()}oa();v()}function pb(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0;h=d-c|0;if((h|0)<=0){return}a:{e=F[a+8>>2];i=F[a+4>>2];if((e-i|0)>=(h|0)){j=i-b|0;if((j|0)>=(h|0)){f=i;g=d;break a}f=i;g=c+j|0;if((g|0)!=(d|0)){e=g;while(1){D[f|0]=G[e|0];f=f+1|0;e=e+1|0;if((e|0)!=(d|0)){continue}break}}F[a+4>>2]=f;if((j|0)>0){break a}return}k=F[a>>2];g=(i-k|0)+h|0;if((g|0)>=0){j=b-k|0;f=e-k|0;e=f<<1;f=f>>>0>=1073741823?2147483647:e>>>0>g>>>0?e:g;if(f){e=ka(f)}else{e=0}g=j+e|0;if((c|0)!=(d|0)){g=la(g,c,h)+h|0}d=pa(e,k,j);c=i-b|0;b=pa(g,b,c);F[a+8>>2]=e+f;F[a+4>>2]=b+c;F[a>>2]=d;if(k){ja(k)}return}na();v()}e=f;d=e-h|0;if(i>>>0>d>>>0){while(1){D[e|0]=G[d|0];e=e+1|0;d=d+1|0;if(i>>>0>d>>>0){continue}break}}F[a+4>>2]=e;a=b+h|0;if((a|0)!=(f|0)){a=f-a|0;pa(f-a|0,b,a)}if((c|0)==(g|0)){return}f=(c^-1)+g|0;a=g-c&7;b:{if(!a){e=b;break b}d=0;e=b;while(1){D[e|0]=G[c|0];e=e+1|0;c=c+1|0;d=d+1|0;if((a|0)!=(d|0)){continue}break}}if(f>>>0<7){return}while(1){D[e|0]=G[c|0];D[e+1|0]=G[c+1|0];D[e+2|0]=G[c+2|0];D[e+3|0]=G[c+3|0];D[e+4|0]=G[c+4|0];D[e+5|0]=G[c+5|0];D[e+6|0]=G[c+6|0];D[e+7|0]=G[c+7|0];e=e+8|0;c=c+8|0;if((g|0)!=(c|0)){continue}break}}function la(a,b,c){var d=0,e=0,f=0;if(c>>>0>=512){Y(a|0,b|0,c|0);return a}e=a+c|0;a:{if(!((a^b)&3)){b:{if(!(a&3)){c=a;break b}if(!c){c=a;break b}c=a;while(1){D[c|0]=G[b|0];b=b+1|0;c=c+1|0;if(!(c&3)){break b}if(c>>>0>>0){continue}break}}d=e&-4;c:{if(d>>>0<64){break c}f=d+-64|0;if(f>>>0>>0){break c}while(1){F[c>>2]=F[b>>2];F[c+4>>2]=F[b+4>>2];F[c+8>>2]=F[b+8>>2];F[c+12>>2]=F[b+12>>2];F[c+16>>2]=F[b+16>>2];F[c+20>>2]=F[b+20>>2];F[c+24>>2]=F[b+24>>2];F[c+28>>2]=F[b+28>>2];F[c+32>>2]=F[b+32>>2];F[c+36>>2]=F[b+36>>2];F[c+40>>2]=F[b+40>>2];F[c+44>>2]=F[b+44>>2];F[c+48>>2]=F[b+48>>2];F[c+52>>2]=F[b+52>>2];F[c+56>>2]=F[b+56>>2];F[c+60>>2]=F[b+60>>2];b=b- -64|0;c=c- 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b=0,c=0,d=0,e=0,f=0;F[a>>2]=8336;d=a+232|0;b=F[d+196>>2];if(b){F[d+200>>2]=b;ja(b)}c=F[d+184>>2];if(c){b=c;e=F[d+188>>2];if((b|0)!=(e|0)){while(1){b=e-12|0;f=F[b>>2];if(f){F[e-8>>2]=f;ja(f)}e=b;if((b|0)!=(c|0)){continue}break}b=F[d+184>>2]}F[d+188>>2]=c;ja(b)}b=F[d+156>>2];if(b){F[d+160>>2]=b;ja(b)}c=F[d+136>>2];F[d+136>>2]=0;if(c){e=c-4|0;b=F[e>>2];if(b){b=c+(b<<4)|0;while(1){b=b-16|0;if((c|0)!=(b|0)){continue}break}}ja(e)}td(a+216|0);b=F[a+196>>2];if(b){F[a+200>>2]=b;ja(b)}b=F[a+184>>2];if(b){F[a+188>>2]=b;ja(b)}b=F[a+172>>2];if(b){F[a+176>>2]=b;ja(b)}b=F[a+160>>2];if(b){F[a+164>>2]=b;ja(b)}b=F[a+144>>2];if(b){while(1){c=F[b>>2];ja(b);b=c;if(b){continue}break}}b=F[a+136>>2];F[a+136>>2]=0;if(b){ja(b)}b=F[a+120>>2];if(b){ja(b)}b=F[a+108>>2];if(b){ja(b)}b=F[a+96>>2];if(b){ja(b)}b=F[a+72>>2];if(b){F[a+76>>2]=b;ja(b)}b=F[a+60>>2];if(b){ja(b)}b=F[a+48>>2];if(b){F[a+52>>2]=b;ja(b)}b=F[a+36>>2];if(b){F[a+40>>2]=b;ja(b)}b=F[a+24>>2];if(b){F[a+28>>2]=b;ja(b)}b=F[a+12>>2];if(b){F[a+16>>2]=b;ja(b)}b=F[a+8>>2];F[a+8>>2]=0;if(b){Za(b)}return 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a}za();v()}}f=d;if(G[a+11|0]>>>7|0){d=F[a>>2]}else{d=a}f=f+d|0;e=Z-16|0;Z=e;D[e+15|0]=0;while(1){if(b){D[f|0]=G[e+15|0];b=b-1|0;f=f+1|0;continue}break}Z=e+16|0;Ic(a,i);D[h+15|0]=0;D[d+i|0]=G[h+15|0]}Z=h+16|0;return}if(G[a+11|0]>>>7|0){d=F[a>>2]}else{d=a}f=Z-16|0;Z=f;Ic(a,b);D[f+15|0]=0;D[b+d|0]=G[f+15|0];Z=f+16|0}function Zc(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;g=Z-16|0;Z=g;a:{b:{if(b){F[a+88>>2]=0;F[a+92>>2]=0;d=F[a+84>>2];F[a+84>>2]=0;if(d){ja(d)}F[a+76>>2]=0;F[a+80>>2]=0;d=F[a+72>>2];F[a+72>>2]=0;if(d){ja(d)}d=F[b>>2];c=F[b+4>>2];D[g+15|0]=0;Ea(a,c-d>>2,g+15|0);d=F[b+28>>2];c=F[b+24>>2];D[g+14|0]=0;Ea(a+12|0,d-c>>2,g+14|0);Xb(a+28|0,F[b+4>>2]-F[b>>2]>>2,10284);c=F[b+28>>2]-F[b+24>>2]|0;f=c>>2;e=F[a+52>>2];c:{if(f>>>0<=F[a+60>>2]-e>>2>>>0){break c}if((c|0)<0){break b}d=F[a+56>>2];c=ka(c);f=c+(f<<2)|0;h=c+(d-e&-4)|0;c=h;if((d|0)!=(e|0)){while(1){c=c-4|0;d=d-4|0;F[c>>2]=F[d>>2];if((d|0)!=(e|0)){continue}break}}F[a+60>>2]=f;F[a+56>>2]=h;F[a+52>>2]=c;if(!e){break c}ja(e)}c=F[b+28>>2]-F[b+24>>2]|0;f=c>>2;e=F[a+40>>2];d:{if(f>>>0<=F[a+48>>2]-e>>2>>>0){break d}if((c|0)<0){break a}d=F[a+44>>2];c=ka(c);f=c+(f<<2)|0;h=c+(d-e&-4)|0;c=h;if((d|0)!=(e|0)){while(1){c=c-4|0;d=d-4|0;F[c>>2]=F[d>>2];if((d|0)!=(e|0)){continue}break}}F[a+48>>2]=f;F[a+44>>2]=h;F[a+40>>2]=c;if(!e){break d}ja(e)}D[a+24|0]=1;F[a+64>>2]=b}Z=g+16|0;return}na();v()}na();v()}function nb(a,b){var c=0,d=0,e=0;c=(a|0)==(b|0);D[b+12|0]=c;a:{if(c){break a}while(1){d=F[b+8>>2];if(G[d+12|0]){break a}b:{c=F[d+8>>2];e=F[c>>2];if((e|0)==(d|0)){e=F[c+4>>2];if(!(!e|G[e+12|0])){break b}c:{if(F[d>>2]==(b|0)){b=d;break c}b=F[d+4>>2];a=F[b>>2];F[d+4>>2]=a;if(a){F[a+8>>2]=d;c=F[d+8>>2]}F[b+8>>2]=c;a=F[d+8>>2];F[((F[a>>2]!=(d|0))<<2)+a>>2]=b;F[b>>2]=d;F[d+8>>2]=b;c=F[b+8>>2];d=F[c>>2]}D[b+12|0]=1;D[c+12|0]=0;a=F[d+4>>2];F[c>>2]=a;if(a){F[a+8>>2]=c}F[d+8>>2]=F[c+8>>2];a=F[c+8>>2];F[((F[a>>2]!=(c|0))<<2)+a>>2]=d;F[d+4>>2]=c;F[c+8>>2]=d;return}if(!(G[e+12|0]|!e)){break b}d:{if(F[d>>2]!=(b|0)){b=d;break d}a=F[b+4>>2];F[d>>2]=a;if(a){F[a+8>>2]=d;c=F[d+8>>2]}F[b+8>>2]=c;a=F[d+8>>2];F[((F[a>>2]!=(d|0))<<2)+a>>2]=b;F[b+4>>2]=d;F[d+8>>2]=b;c=F[b+8>>2]}D[b+12|0]=1;D[c+12|0]=0;a=F[c+4>>2];b=F[a>>2];F[c+4>>2]=b;if(b){F[b+8>>2]=c}F[a+8>>2]=F[c+8>>2];b=F[c+8>>2];F[((F[b>>2]!=(c|0))<<2)+b>>2]=a;F[a>>2]=c;F[c+8>>2]=a;break a}D[d+12|0]=1;D[c+12|0]=(a|0)==(c|0);D[e+12|0]=1;b=c;if((c|0)!=(a|0)){continue}break}}}function mi(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;a:{b:{c:{d:{e:{f:{g:{h:{i:{j:{k:{if(b){if(!c){break k}if(!d){break j}e=O(d)-O(b)|0;if(e>>>0<=31){break i}break c}if((d|0)==1|d>>>0>1){break c}_=0;a=(a>>>0)/(c>>>0)|0;break a}if(!a){break h}if(!d|d-1&d){break g}a=b>>>ji(d)|0;_=0;break a}if(!(c-1&c)){break f}h=(O(c)+33|0)-O(b)|0;g=0-h|0;break d}h=e+1|0;g=63-e|0;break d}_=0;a=(b>>>0)/(d>>>0)|0;break a}e=O(d)-O(b)|0;if(e>>>0<31){break e}break c}if((c|0)==1){break b}d=ji(c);c=d&31;if((d&63)>>>0>=32){a=b>>>c|0}else{e=b>>>c|0;a=((1<>>c}_=e;break a}h=e+1|0;g=63-e|0}e=h&63;f=e&31;if(e>>>0>=32){e=0;i=b>>>f|0}else{e=b>>>f|0;i=((1<>>f}g=g&63;f=g&31;if(g>>>0>=32){b=a<>>32-f|b<>>31;e=i<<1|b>>>31;f=m-(j+(e>>>0>g>>>0)|0)>>31;k=c&f;i=e-k|0;e=j-((d&f)+(e>>>0>>0)|0)|0;b=b<<1|a>>>31;a=l|a<<1;l=f&1;h=h-1|0;if(h){continue}break}}_=b<<1|a>>>31;a=l|a<<1;break a}a=0;b=0}_=b}return a}function yh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;c=F[b+88>>2];if(!(!c|F[c>>2]!=1)){e=F[c+8>>2];F[a+4>>2]=G[e|0]|G[e+1|0]<<8|(G[e+2|0]<<16|G[e+3|0]<<24);f=a+8|0;d=G[b+24|0];h=F[a+8>>2];g=F[a+12>>2]-h>>2;a:{if(d>>>0>g>>>0){qa(f,d-g|0);d=G[b+24|0];e=F[c+8>>2];break a}if(d>>>0>=g>>>0){break a}F[a+12>>2]=h+(d<<2)}b:{if(!d){b=4;break b}h=d&3;f=F[f>>2];c:{if(d-1>>>0<3){b=4;d=0;break c}k=d&252;d=0;b=4;while(1){g=d<<2;c=b+e|0;F[g+f>>2]=G[c|0]|G[c+1|0]<<8|(G[c+2|0]<<16|G[c+3|0]<<24);F[f+(g|4)>>2]=G[c+4|0]|G[c+5|0]<<8|(G[c+6|0]<<16|G[c+7|0]<<24);F[f+(g|8)>>2]=G[c+8|0]|G[c+9|0]<<8|(G[c+10|0]<<16|G[c+11|0]<<24);F[f+(g|12)>>2]=G[c+12|0]|G[c+13|0]<<8|(G[c+14|0]<<16|G[c+15|0]<<24);d=d+4|0;b=b+16|0;i=i+4|0;if((k|0)!=(i|0)){continue}break}}if(!h){break b}while(1){c=b+e|0;F[f+(d<<2)>>2]=G[c|0]|G[c+1|0]<<8|(G[c+2|0]<<16|G[c+3|0]<<24);d=d+1|0;b=b+4|0;j=j+1|0;if((h|0)!=(j|0)){continue}break}}d=a;a=b+e|0;F[d+20>>2]=G[a|0]|G[a+1|0]<<8|(G[a+2|0]<<16|G[a+3|0]<<24);d=1}return d|0}function Yg(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0;g=Z-16|0;Z=g;e=F[a+4>>2];d=F[e>>2];a:{b=F[a+12>>2];c=F[b+28>>2]-F[b+24>>2]|0;f=c>>2;b:{if(f>>>0<=F[e+8>>2]-d>>2>>>0){break b}if((c|0)<0){break a}b=F[e+4>>2];c=ka(c);f=c+(f<<2)|0;h=c+(b-d&-4)|0;c=h;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;F[c>>2]=F[b>>2];if((b|0)!=(d|0)){continue}break}}F[e+8>>2]=f;F[e+4>>2]=h;F[e>>2]=c;if(!d){break b}ja(d)}b=F[a+12>>2];c=F[b+28>>2];b=F[b+24>>2];F[g+12>>2]=0;b=c-b>>2;d=a+96|0;e=F[d>>2];c=F[a+100>>2]-e>>2;c:{if(b>>>0>c>>>0){Fa(d,b-c|0,g+12|0);break c}if(b>>>0>=c>>>0){break c}F[a+100>>2]=e+(b<<2)}e=a+8|0;b=F[a+116>>2];d:{if(b){d=F[b>>2];if((d|0)==F[b+4>>2]){c=1;break d}b=0;while(1){c=rd(e,F[(b<<2)+d>>2]);if(!c){break d}f=F[a+116>>2];d=F[f>>2];b=b+1|0;if(b>>>0>2]-d>>2>>>0){continue}break}break d}c=1;a=F[a+12>>2];a=F[a+4>>2]-F[a>>2]|0;if(a>>>0<12){break d}a=(a>>2>>>0)/3|0;b=0;while(1){c=rd(e,L(b,3));if(!c){break d}b=b+1|0;if((a|0)!=(b|0)){continue}break}}Z=g+16|0;return c|0}na();v()}function md(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0;a:{b:{c:{if(!b){if((d|0)<0){break a}f=F[a+4>>2];b=F[a>>2];d=f-b|0;if(c>>>0>d>>>0){g=c-d|0;e=F[a+8>>2];if(g>>>0<=e-f>>>0){i=a,j=ma(f,0,g)+g|0,F[i+4>>2]=j;break c}if((c|0)<0){break b}f=e-b|0;e=f<<1;f=f>>>0>=1073741823?2147483647:c>>>0>>0?e:c;e=ka(f);ma(e+d|0,0,g);d=pa(e,b,d);F[a+8>>2]=d+f;F[a+4>>2]=c+d;F[a>>2]=d;if(!b){break c}ja(b);break c}if(c>>>0>=d>>>0){break c}F[a+4>>2]=b+c;break c}if((d|0)<0){break a}e=F[a+4>>2];f=F[a>>2];g=e-f|0;d:{if((d|0)<=0&c>>>0<=g>>>0|(d|0)<0){break d}if(c>>>0>g>>>0){d=c-g|0;h=F[a+8>>2];if(d>>>0<=h-e>>>0){i=a,j=ma(e,0,d)+d|0,F[i+4>>2]=j;break d}if((c|0)<0){break b}e=h-f|0;h=e<<1;e=e>>>0>=1073741823?2147483647:c>>>0>>0?h:c;h=ka(e);ma(h+g|0,0,d);d=pa(h,f,g);F[a+8>>2]=d+e;F[a+4>>2]=c+d;F[a>>2]=d;if(!f){break d}ja(f);break d}if(c>>>0>=g>>>0){break d}F[a+4>>2]=c+f}if(!c){break c}pa(F[a>>2],b,c)}b=F[a+28>>2];c=F[a+24>>2]+1|0;b=c?b:b+1|0;F[a+24>>2]=c;F[a+28>>2]=b;g=1;break a}na();v()}return g}function Lg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;k=F[a+12>>2];c=F[a+68>>2];d=F[c+80>>2];D[b+84|0]=0;n=b+68|0;i=F[b+68>>2];e=F[b+72>>2]-i>>2;a:{if(e>>>0>>0){ab(n,d-e|0,9124);c=F[a+68>>2];d=F[c+80>>2];break a}if(d>>>0>=e>>>0){break a}F[b+72>>2]=i+(d<<2)}b=F[c+100>>2];e=F[c+96>>2];i=(b-e|0)/12|0;m=1;b:{if((b|0)==(e|0)){break b}k=F[k+28>>2];f=F[k>>2];if((f|0)==-1){return 0}o=i>>>0<=1?1:i;c=e;b=0;m=0;while(1){g=F[c>>2];if(g>>>0>=d>>>0){break b}j=F[F[a+72>>2]+12>>2];h=F[j+(f<<2)>>2];if(h>>>0>=d>>>0){break b}f=F[n>>2];F[f+(g<<2)>>2]=h;g=k+(l<<2)|0;h=F[g+4>>2];if((h|0)==-1){break b}l=F[c+4>>2];if(l>>>0>=d>>>0){break b}h=F[(h<<2)+j>>2];if(h>>>0>=d>>>0){break b}F[f+(l<<2)>>2]=h;g=F[g+8>>2];if((g|0)==-1){break b}c=F[c+8>>2];if(c>>>0>=d>>>0){break b}j=F[(g<<2)+j>>2];if(j>>>0>=d>>>0){break b}F[f+(c<<2)>>2]=j;b=b+1|0;m=i>>>0<=b>>>0;if((b|0)==(o|0)){break b}c=e+L(b,12)|0;l=L(b,3);f=F[k+(l<<2)>>2];if((f|0)!=-1){continue}break}}return m|0}function ag(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;h=F[d+80>>2];e=Z-48|0;Z=e;a=F[a+4>>2];m=a-2|0;a:{if(m>>>0>28){break a}j=F[F[d>>2]>>2]+F[d+48>>2]|0;F[e+16>>2]=a;a=-1<>2]=a^-1;a=-2-a|0;F[e+24>>2]=a;F[e+32>>2]=(a|0)/2;J[e+28>>2]=M(2)/M(a|0);f=F[c>>2];if((f|0)!=F[c+4>>2]){a=0;d=0;while(1){g=F[(d<<2)+f>>2];h=e+36|0;k=F[F[b>>2]>>2];l=F[b+48>>2];f=F[b+40>>2];i=F[b+44>>2];if(!G[b+84|0]){g=F[F[b+68>>2]+(g<<2)>>2]}g=ki(f,i,g,0);i=g;g=g+l|0;la(h,g+k|0,f);Kc(e+16|0,h,e+12|0,e+8|0);f=a<<2;F[f+j>>2]=F[e+12>>2];F[(f|4)+j>>2]=F[e+8>>2];a=a+2|0;d=d+1|0;f=F[c>>2];if(d>>>0>2]-f>>2>>>0){continue}break}break a}if(!h){break a}d=0;a=0;while(1){k=e+36|0;l=F[F[b>>2]>>2];i=F[b+48>>2];c=F[b+40>>2];f=ki(c,F[b+44>>2],G[b+84|0]?a:F[F[b+68>>2]+(a<<2)>>2],0);g=f;f=f+i|0;la(k,f+l|0,c);Kc(e+16|0,k,e+12|0,e+8|0);c=d<<2;F[c+j>>2]=F[e+12>>2];F[(c|4)+j>>2]=F[e+8>>2];d=d+2|0;a=a+1|0;if((h|0)!=(a|0)){continue}break}}Z=e+48|0;return m>>>0<29|0}function Zg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=F[a+12>>2];d=F[a+108>>2];e=F[d+80>>2];D[b+84|0]=0;m=b+68|0;h=F[b+68>>2];f=F[b+72>>2]-h>>2;a:{if(f>>>0>>0){ab(m,e-f|0,9124);d=F[a+108>>2];e=F[d+80>>2];break a}if(e>>>0>=f>>>0){break a}F[b+72>>2]=h+(e<<2)}b=F[d+100>>2];f=F[d+96>>2];h=(b-f|0)/12|0;k=1;b:{if((b|0)==(f|0)){break b}n=h>>>0<=1?1:h;o=F[c>>2];c=0;d=f;b=0;k=0;while(1){c=(c<<2)+o|0;i=F[c>>2];if((i|0)==-1){break b}g=F[d>>2];if(g>>>0>=e>>>0){break b}l=F[F[a+112>>2]+12>>2];j=F[l+(i<<2)>>2];if(j>>>0>=e>>>0){break b}i=F[m>>2];F[i+(g<<2)>>2]=j;g=F[c+4>>2];if((g|0)==-1){break b}j=F[d+4>>2];if(j>>>0>=e>>>0){break b}g=F[(g<<2)+l>>2];if(g>>>0>=e>>>0){break b}F[i+(j<<2)>>2]=g;c=F[c+8>>2];if((c|0)==-1){break b}d=F[d+8>>2];if(d>>>0>=e>>>0){break b}c=F[(c<<2)+l>>2];if(c>>>0>=e>>>0){break b}F[i+(d<<2)>>2]=c;b=b+1|0;k=h>>>0<=b>>>0;if((b|0)==(n|0)){break b}c=L(b,3);d=f+L(b,12)|0;if((b|0)!=1431655765){continue}break}}return k|0}function xd(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=M(0),j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;k=Z-16|0;Z=k;if(F[c+28>>2]==9){d=F[a+4>>2];h=G[c+24|0];e=h<<2;f=ka(e);l=k+8|0;F[l>>2]=1065353216;i=J[a+20>>2];d=-1<0){J[l>>2]=i/M(d|0)}o=(d|0)>0;a:{if(!o){break a}j=F[c+80>>2];if(!j){break a}if(h){p=F[F[b>>2]>>2]+F[b+48>>2]|0;t=h&254;u=h&1;b=0;while(1){m=F[a+8>>2];i=J[l>>2];d=0;n=0;if((h|0)!=1){while(1){g=d<<2;q=(b<<2)+p|0;J[g+f>>2]=M(i*M(F[q>>2]))+J[g+m>>2];g=g|4;J[g+f>>2]=M(i*M(F[q+4>>2]))+J[g+m>>2];d=d+2|0;b=b+2|0;n=n+2|0;if((t|0)!=(n|0)){continue}break}}if(u){d=d<<2;J[d+f>>2]=M(i*M(F[(b<<2)+p>>2]))+J[d+m>>2];b=b+1|0}la(F[F[c+64>>2]>>2]+r|0,f,e);r=e+r|0;s=s+1|0;if((s|0)!=(j|0)){continue}break}break a}b=0;if((j|0)!=1){a=j&-2;d=0;while(1){la(F[F[c+64>>2]>>2]+b|0,f,e);b=b+e|0;la(b+F[F[c+64>>2]>>2]|0,f,e);b=b+e|0;d=d+2|0;if((a|0)!=(d|0)){continue}break}}if(!(j&1)){break a}la(F[F[c+64>>2]>>2]+b|0,f,e)}ja(f)}Z=k+16|0;return o|0}function Rg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=F[a+12>>2];d=F[a+68>>2];e=F[d+80>>2];D[b+84|0]=0;m=b+68|0;h=F[b+68>>2];f=F[b+72>>2]-h>>2;a:{if(f>>>0>>0){ab(m,e-f|0,9124);d=F[a+68>>2];e=F[d+80>>2];break a}if(e>>>0>=f>>>0){break a}F[b+72>>2]=h+(e<<2)}b=F[d+100>>2];f=F[d+96>>2];h=(b-f|0)/12|0;k=1;b:{if((b|0)==(f|0)){break b}n=h>>>0<=1?1:h;o=F[c>>2];c=0;d=f;b=0;k=0;while(1){c=(c<<2)+o|0;i=F[c>>2];if((i|0)==-1){break b}g=F[d>>2];if(g>>>0>=e>>>0){break b}l=F[F[a+72>>2]+12>>2];j=F[l+(i<<2)>>2];if(j>>>0>=e>>>0){break b}i=F[m>>2];F[i+(g<<2)>>2]=j;g=F[c+4>>2];if((g|0)==-1){break b}j=F[d+4>>2];if(j>>>0>=e>>>0){break b}g=F[(g<<2)+l>>2];if(g>>>0>=e>>>0){break b}F[i+(j<<2)>>2]=g;c=F[c+8>>2];if((c|0)==-1){break b}d=F[d+8>>2];if(d>>>0>=e>>>0){break b}c=F[(c<<2)+l>>2];if(c>>>0>=e>>>0){break b}F[i+(d<<2)>>2]=c;b=b+1|0;k=h>>>0<=b>>>0;if((b|0)==(n|0)){break b}c=L(b,3);d=f+L(b,12)|0;if((b|0)!=1431655765){continue}break}}return k|0}function Na(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;d=Z-16|0;Z=d;a:{f=F[a+4>>2];b:{if(f>>>0>>0){e=b-f|0;c=F[a+8>>2];g=c<<5;c:{if(!(e>>>0>g>>>0|f>>>0>g-e>>>0)){F[a+4>>2]=b;h=f&31;b=F[a>>2]+(f>>>3&536870908)|0;break c}F[d+8>>2]=0;F[d>>2]=0;F[d+4>>2]=0;if((b|0)<0){break a}if(g>>>0<=1073741822){c=c<<6;b=b+31&-32;b=b>>>0>>0?c:b}else{b=2147483647}$a(d,b);f=F[a+4>>2];F[d+4>>2]=f+e;i=F[a>>2];b=F[d>>2];d:{if((f|0)<=0){break d}c=f>>>5|0;if(f>>>0>=32){pa(b,i,c<<2)}g=c<<2;b=g+b|0;h=f&31;if(h){c=-1>>>32-h|0;F[b>>2]=F[b>>2]&(c^-1)|F[i+g>>2]&c}i=F[a>>2]}F[a>>2]=F[d>>2];F[d>>2]=i;c=F[a+4>>2];F[a+4>>2]=F[d+4>>2];F[d+4>>2]=c;c=F[a+8>>2];F[a+8>>2]=F[d+8>>2];F[d+8>>2]=c;if(!i){break c}ja(i)}if(!e){break b}if(h){c=32-h|0;a=c>>>0>>0?c:e;F[b>>2]=F[b>>2]&(-1<>>c-a^-1);e=e-a|0;b=b+4|0}a=e>>>5|0;if(e>>>0>=32){ma(b,0,a<<2)}if((e&-32)==(e|0)){break b}a=(a<<2)+b|0;F[a>>2]=F[a>>2]&(-1>>>32-(e&31)^-1);break b}F[a+4>>2]=b}Z=d+16|0;return}na();v()}function Aa(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0;i=Z-16|0;Z=i;f=F[b+20>>2];h=F[b+12>>2];c=F[b+16>>2];a:{if((f|0)>=(h|0)&c>>>0>=I[b+8>>2]|(f|0)>(h|0)){break a}D[a+12|0]=G[c+F[b>>2]|0];c=F[b+20>>2];f=F[b+16>>2]+1|0;c=f?c:c+1|0;F[b+16>>2]=f;F[b+20>>2]=c;if(!Qd(1,i+12|0,b)){break a}h=F[b+8>>2];f=F[b+16>>2];g=h-f|0;c=F[i+12>>2];d=f>>>0>h>>>0;h=F[b+20>>2];e=F[b+12>>2]-(d+h|0)|0;if(g>>>0>>0&(e|0)<=0|(e|0)<0|(c|0)<=0){break a}g=f+F[b>>2]|0;F[a>>2]=g;b:{c:{e=c-1|0;j=e+g|0;d=G[j|0];d:{if(d>>>0<=63){F[a+4>>2]=e;d=G[j|0]&63;break d}e:{switch((d>>>6|0)-1|0){case 1:break c;case 0:break e;default:break a}}if(c>>>0<2){break a}e=c-2|0;F[a+4>>2]=e;g=g+e|0;d=G[g+1|0]<<8&16128|G[g|0]}F[a+8>>2]=d+4096;break b}if(c>>>0<3){break a}e=c-3|0;F[a+4>>2]=e;d=a;a=g+e|0;a=G[a+1|0]<<8|G[a+2|0]<<16&4128768|G[a|0];F[d+8>>2]=a+4096;if(a>>>0>1044479){break a}}a=h;d=c;c=c+f|0;a=d>>>0>c>>>0?a+1|0:a;F[b+16>>2]=c;F[b+20>>2]=a;k=1}Z=i+16|0;return k}function qd(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0;e=F[a+12>>2];i=F[a+8>>2];d=e-i>>2;b=G[b+24|0];a:{if(d>>>0>>0){qa(a+8|0,b-d|0);i=F[a+8>>2];e=F[a+12>>2];break a}if(b>>>0>=d>>>0){break a}e=(b<<2)+i|0;F[a+12>>2]=e}b=0;f=F[c+8>>2];h=F[c+12>>2];j=F[c+20>>2];e=e-i|0;d=F[c+16>>2];g=e+d|0;j=e>>>0>g>>>0?j+1|0:j;b:{if(f>>>0>>0&(h|0)<=(j|0)|(h|0)<(j|0)){break b}la(i,d+F[c>>2]|0,e);d=F[c+20>>2];g=e;e=e+F[c+16>>2]|0;d=g>>>0>e>>>0?d+1|0:d;F[c+16>>2]=e;F[c+20>>2]=d;f=F[c+8>>2];h=F[c+12>>2];g=e+4|0;d=g>>>0<4?d+1|0:d;if(f>>>0>>0&(d|0)>=(h|0)|(d|0)>(h|0)){break b}d=e+F[c>>2]|0;F[a+20>>2]=G[d|0]|G[d+1|0]<<8|(G[d+2|0]<<16|G[d+3|0]<<24);d=F[c+20>>2];g=d;f=d;e=F[c+16>>2];d=e+4|0;f=d>>>0<4?f+1|0:f;F[c+16>>2]=d;F[c+20>>2]=f;h=F[c+12>>2];if((f|0)>=(h|0)&d>>>0>=I[c+8>>2]|(f|0)>(h|0)){break b}f=G[d+F[c>>2]|0];d=g;e=e+5|0;d=e>>>0<5?d+1|0:d;F[c+16>>2]=e;F[c+20>>2]=d;if(f-1>>>0>29){break b}F[a+4>>2]=f;b=1}return b|0}function Kc(a,b,c,d){var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;j=+J[b>>2];k=+J[b+4>>2];l=+J[b+8>>2];g=N(j)+N(k)+N(l);a:{if(!(g>1e-6)){j=1;k=0;e=0;break a}g=1/g;k=g*k;j=g*j;e=g*l<0}h=F[a+16>>2];l=+(h|0);g=R(j*l+.5);b:{if(N(g)<2147483648){m=~~g;break b}m=-2147483648}f=m>>31;i=(f^m)-f|0;g=R(k*l+.5);c:{if(N(g)<2147483648){f=~~g;break c}f=-2147483648}b=f>>31;b=h-(i+((f^b)-b|0)|0)|0;i=(b|0)>0?b:0;e=e?0-i|0:i;f=f+(b>>31&((f|0)>0?b:0-b|0))|0;d:{if((m|0)>=0){b=e+h|0;a=F[a+8>>2];e=h+f|0;break d}b=f>>31;b=(b^f)-b|0;a=F[a+8>>2];b=(e|0)<0?b:a-b|0;e=(f|0)<0?i:a-i|0}e:{if(!(b|e)){b=a;break e}if(!((a|0)!=(b|0)|e)){b=a;break e}if(!((a|0)!=(e|0)|b)){b=a;break e}if(!((b|0)<=(h|0)|e)){b=(h<<1)-b|0;a=0;break e}if(!((a|0)!=(e|0)|(b|0)>=(h|0))){b=(h<<1)-b|0;break e}if(!((a|0)!=(b|0)|(e|0)>=(h|0))){b=a;a=(h<<1)-e|0;break e}if(b){a=e;break e}b=0;if((e|0)<=(h|0)){a=e;break e}a=(h<<1)-e|0}F[c>>2]=a;F[d>>2]=b}function ye(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;a:{if(!$c(a,b)){break a}h=a+36|0;g=$[F[F[a>>2]+24>>2]](a)|0;e=F[a+40>>2];d=F[a+36>>2];c=e-d>>2;b:{if(g>>>0>c>>>0){Pb(h,g-c|0);break b}if(c>>>0<=g>>>0){break b}d=d+(g<<2)|0;if((d|0)!=(e|0)){while(1){e=e-4|0;c=F[e>>2];F[e>>2]=0;if(c){$[F[F[c>>2]+4>>2]](c)}if((d|0)!=(e|0)){continue}break}}F[a+40>>2]=d}c=1;if((g|0)<=0){break a}e=0;while(1){c:{c=F[b+20>>2];f=F[b+12>>2];d=F[b+16>>2];if((c|0)>=(f|0)&d>>>0>=I[b+8>>2]|(c|0)>(f|0)){break c}f=G[F[b>>2]+d|0];d=d+1|0;c=d?c:c+1|0;F[b+16>>2]=d;F[b+20>>2]=c;d=$[F[F[a>>2]+48>>2]](a,f)|0;f=e<<2;i=f+F[a+36>>2]|0;c=F[i>>2];F[i>>2]=d;if(c){$[F[F[c>>2]+4>>2]](c)}c=F[F[h>>2]+f>>2];if(!c){break c}if(!(k=c,l=$[F[F[a>>2]+28>>2]](a)|0,m=$[F[F[a>>2]+20>>2]](a,e)|0,j=F[F[c>>2]+8>>2],$[j](k|0,l|0,m|0)|0)){break c}c=1;e=e+1|0;if((g|0)!=(e|0)){continue}break a}break}c=0}return c|0}function Xc(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;g=F[a>>2];c=g+(b>>>3&536870908)|0;F[c>>2]=F[c>>2]|1<>2];e=(b|0)==-1;d=-1;a:{if(e){break a}c=b+1|0;c=(c>>>0)%3|0?c:b-2|0;d=-1;if((c|0)==-1){break a}d=F[F[f>>2]+(c<<2)>>2]}c=F[a+12>>2];h=(d>>>3&536870908)+c|0;F[h>>2]=F[h>>2]|1<>>0)%3|0){e=b-1|0;break e}e=b+2|0;d=-1;if((e|0)==-1){break d}}d=F[F[f>>2]+(e<<2)>>2]}e=(d>>>3&536870908)+c|0;F[e>>2]=F[e>>2]|1<>2]+(b<<2)>>2];if((b|0)==-1){break b}D[a+24|0]=0;a=(b>>>3&536870908)+g|0;F[a>>2]=F[a>>2]|1<>>0)%3|0?a:b-2|0;if((a|0)!=-1){d=F[F[f>>2]+(a<<2)>>2]}a=c+(d>>>3&536870908)|0;F[a>>2]=F[a>>2]|1<>>0)%3|0){b=b-1|0;break g}b=b+2|0;a=-1;if((b|0)==-1){break f}}a=F[F[f>>2]+(b<<2)>>2]}b=1<>>3&536870908)|0;c=F[a>>2];break c}a=c+536870908|0;b=F[c+536870908>>2];c=-2147483648}F[a>>2]=b|c}}function zc(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=M(0),f=M(0),g=M(0),h=M(0),i=M(0),j=0,k=M(0),l=M(0),m=M(0),n=M(0),o=0;a:{if(F[c+28>>2]!=9|G[c+24|0]!=3){break a}a=F[a+4>>2];if(a-2>>>0>28){break a}o=1;j=F[c+80>>2];if(!j){break a}k=M(M(2)/M((1<>2]>>2]+F[c+48>>2]|0;a=F[F[b>>2]>>2]+F[b+48>>2]|0;b=0;while(1){g=M(0);l=M(0);m=M(0);e=M(M(M(F[a>>2])*k)+M(-1));f=M(M(M(F[a+4>>2])*k)+M(-1));i=M(M(M(1)-M(N(e)))-M(N(f)));h=M(Q(M(-i),M(0)));n=M(-h);f=M(f+(f>>8;D[c+10|0]=d>>>16;D[c+11|0]=d>>>24;d=(w(l),y(2));D[c+4|0]=d;D[c+5|0]=d>>>8;D[c+6|0]=d>>>16;D[c+7|0]=d>>>24;d=(w(g),y(2));D[c|0]=d;D[c+1|0]=d>>>8;D[c+2|0]=d>>>16;D[c+3|0]=d>>>24;c=c+12|0;b=b+1|0;if((j|0)!=(b|0)){continue}break}}return o|0}function Md(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;g=Z-16|0;Z=g;a:{if(!Sa(1,g+8|0,b)){break a}d=F[b+8>>2];e=F[b+16>>2];f=d-e|0;h=F[g+12>>2];c=d>>>0>>0;d=F[b+20>>2];i=F[b+12>>2]-(c+d|0)|0;c=F[g+8>>2];if((h|0)==(i|0)&c>>>0>f>>>0|h>>>0>i>>>0){break a}d=d+h|0;f=c+e|0;d=f>>>0>>0?d+1|0:d;F[b+16>>2]=f;F[b+20>>2]=d;if((c|0)<=0){break a}b=F[b>>2]+e|0;F[a+40>>2]=b;e=c-1|0;d=b+e|0;f=G[d|0];b:{if(f>>>0<=63){F[a+44>>2]=e;b=G[d|0]&63;break b}c:{switch((f>>>6|0)-1|0){case 0:if(c>>>0<2){break a}c=c-2|0;F[a+44>>2]=c;b=b+c|0;b=G[b+1|0]<<8&16128|G[b|0];break b;case 1:if(c>>>0<3){break a}c=c-3|0;F[a+44>>2]=c;b=b+c|0;b=G[b+1|0]<<8|G[b+2|0]<<16&4128768|G[b|0];break b;default:break c}}c=c-4|0;F[a+44>>2]=c;b=b+c|0;b=(G[b|0]|G[b+1|0]<<8|(G[b+2|0]<<16|G[b+3|0]<<24))&1073741823}F[a+48>>2]=b+16384;j=b>>>0<4177920}Z=g+16|0;return j}function Tf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;a:{a=Z-32|0;Z=a;e=ya(c);if(e>>>0<2147483632){b:{c:{if(e>>>0>=11){g=(e|15)+1|0;f=ka(g);F[a+24>>2]=g|-2147483648;F[a+16>>2]=f;F[a+20>>2]=e;g=e+f|0;break c}D[a+27|0]=e;f=a+16|0;g=e+f|0;if(!e){break b}}la(f,c,e)}D[g|0]=0;F[a+8>>2]=0;F[a>>2]=0;F[a+4>>2]=0;d:{c=Ya(b,a+16|0);if((c|0)==(b+4|0)){break d}b=F[c+28>>2];e=F[c+32>>2];if((b|0)==(e|0)){break d}b=e-b|0;if(b&3){break d}e=b>>>2|0;f=F[a+4>>2];b=F[a>>2];g=f-b>>2;e:{if(e>>>0>g>>>0){qa(a,e-g|0);b=F[a>>2];f=F[a+4>>2];break e}if(e>>>0>=g>>>0){break e}f=(e<<2)+b|0;F[a+4>>2]=f}if((b|0)!=(f|0)){e=b;b=F[c+28>>2];la(e,b,F[c+32>>2]-b|0);break d}ta();v()}b=F[d>>2];if(b){F[d+4>>2]=b;ja(b)}F[d>>2]=F[a>>2];F[d+4>>2]=F[a+4>>2];F[d+8>>2]=F[a+8>>2];if(D[a+27|0]<0){ja(F[a+16>>2])}Z=a+32|0;break a}za();v()}}function ud(a){a=a|0;var b=0,c=0,d=0,e=0;F[a>>2]=8284;d=F[a+368>>2];F[a+368>>2]=0;if(d){e=d-4|0;b=F[e>>2];if(b){c=(b<<4)+d|0;while(1){c=c-16|0;if((d|0)!=(c|0)){continue}break}}ja(e)}td(a+216|0);b=F[a+196>>2];if(b){F[a+200>>2]=b;ja(b)}b=F[a+184>>2];if(b){F[a+188>>2]=b;ja(b)}b=F[a+172>>2];if(b){F[a+176>>2]=b;ja(b)}b=F[a+160>>2];if(b){F[a+164>>2]=b;ja(b)}c=F[a+144>>2];if(c){while(1){b=F[c>>2];ja(c);c=b;if(b){continue}break}}b=F[a+136>>2];F[a+136>>2]=0;if(b){ja(b)}b=F[a+120>>2];if(b){ja(b)}b=F[a+108>>2];if(b){ja(b)}b=F[a+96>>2];if(b){ja(b)}b=F[a+72>>2];if(b){F[a+76>>2]=b;ja(b)}b=F[a+60>>2];if(b){ja(b)}b=F[a+48>>2];if(b){F[a+52>>2]=b;ja(b)}b=F[a+36>>2];if(b){F[a+40>>2]=b;ja(b)}b=F[a+24>>2];if(b){F[a+28>>2]=b;ja(b)}b=F[a+12>>2];if(b){F[a+16>>2]=b;ja(b)}b=F[a+8>>2];F[a+8>>2]=0;if(b){Za(b)}return a|0}function Vf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0;d=Z-16|0;Z=d;a:{e=ya(c);if(e>>>0<2147483632){b:{c:{if(e>>>0>=11){f=(e|15)+1|0;a=ka(f);F[d+8>>2]=f|-2147483648;F[d>>2]=a;F[d+4>>2]=e;f=a+e|0;break c}D[d+11|0]=e;f=d+e|0;a=d;if(!e){break b}}la(a,c,e)}D[f|0]=0;c=G[d+11|0];e=c<<24>>24;b=F[b+4>>2];a=0;d:{if(!b){break d}a=c;c=(e|0)<0;a=c?F[d+4>>2]:a;f=c?F[d>>2]:d;while(1){c=G[b+27|0];g=c<<24>>24<0;c=g?F[b+20>>2]:c;i=c>>>0>>0;e:{f:{g:{h:{i:{j:{h=i?c:a;if(h){g=g?F[b+16>>2]:b+16|0;j=sa(f,g,h);if(j){break j}if(a>>>0>=c>>>0){break i}break e}if(a>>>0>=c>>>0){break h}break e}if((j|0)<0){break e}}c=sa(g,f,h);if(c){break g}}if(i){break f}a=1;break d}if((c|0)<0){break f}a=1;break d}b=b+4|0}b=F[b>>2];if(b){continue}break}a=0}if((e|0)<0){ja(F[d>>2])}Z=d+16|0;break a}za();v()}return a|0}function lc(a,b){var c=0,d=0;c=F[b+8>>2];F[a+4>>2]=F[b+4>>2];F[a+8>>2]=c;F[a+20>>2]=F[b+20>>2];c=F[b+16>>2];F[a+12>>2]=F[b+12>>2];F[a+16>>2]=c;a:{b:{if((a|0)!=(b|0)){c=F[b+28>>2];if(c){d=F[a+24>>2];if(F[a+32>>2]<<5>>>0>>0){if(d){ja(d);F[a+32>>2]=0;F[a+24>>2]=0;F[a+28>>2]=0;c=F[b+28>>2]}if((c|0)<0){break b}c=(c-1>>>5|0)+1|0;d=ka(c<<2);F[a+32>>2]=c;F[a+28>>2]=0;F[a+24>>2]=d;c=F[b+28>>2]}pa(d,F[b+24>>2],(c-1>>>3&536870908)+4|0);c=F[b+28>>2]}else{c=0}F[a+28>>2]=c;c=F[b+40>>2];if(c){d=F[a+36>>2];if(F[a+44>>2]<<5>>>0>>0){if(d){ja(d);F[a+44>>2]=0;F[a+36>>2]=0;F[a+40>>2]=0;c=F[b+40>>2]}if((c|0)<0){break a}c=(c-1>>>5|0)+1|0;d=ka(c<<2);F[a+44>>2]=c;F[a+40>>2]=0;F[a+36>>2]=d;c=F[b+40>>2]}pa(d,F[b+36>>2],(c-1>>>3&536870908)+4|0);b=F[b+40>>2]}else{b=0}F[a+40>>2]=b}return}na();v()}na();v()}function nc(a){var b=0,c=0,d=0;b=F[a+8>>2];d=F[a>>2];a:{if(G[a+12|0]){b:{c:{d:{e:{if((b|0)==-1){break e}c=b+1|0;b=(c>>>0)%3|0?c:b-2|0;if((b|0)==-1){break e}b=F[F[d+12>>2]+(b<<2)>>2];if((b|0)!=-1){break d}}F[a+8>>2]=-1;break c}c=b+1|0;b=(c>>>0)%3|0?c:b-2|0;F[a+8>>2]=b;if((b|0)!=-1){break b}}c=F[a+4>>2];b=-1;f:{if((c|0)==-1){break f}g:{if((c>>>0)%3|0){c=c-1|0;break g}c=c+2|0;b=-1;if((c|0)==-1){break f}}c=F[F[d+12>>2]+(c<<2)>>2];b=-1;if((c|0)==-1){break f}b=c-1|0;if((c>>>0)%3|0){break f}b=c+2|0}D[a+12|0]=0;F[a+8>>2]=b;return}if((b|0)!=F[a+4>>2]){break a}F[a+8>>2]=-1;return}c=-1;h:{if((b|0)==-1){break h}i:{if((b>>>0)%3|0){b=b-1|0;break i}b=b+2|0;c=-1;if((b|0)==-1){break h}}b=F[F[d+12>>2]+(b<<2)>>2];c=-1;if((b|0)==-1){break h}c=b-1|0;if((b>>>0)%3|0){break h}c=b+2|0}F[a+8>>2]=c}}function Od(a){var b=0,c=0,d=0;b=ka(32);D[b+26|0]=0;c=G[1475]|G[1476]<<8;D[b+24|0]=c;D[b+25|0]=c>>>8;c=G[1471]|G[1472]<<8|(G[1473]<<16|G[1474]<<24);d=G[1467]|G[1468]<<8|(G[1469]<<16|G[1470]<<24);D[b+16|0]=d;D[b+17|0]=d>>>8;D[b+18|0]=d>>>16;D[b+19|0]=d>>>24;D[b+20|0]=c;D[b+21|0]=c>>>8;D[b+22|0]=c>>>16;D[b+23|0]=c>>>24;c=G[1463]|G[1464]<<8|(G[1465]<<16|G[1466]<<24);d=G[1459]|G[1460]<<8|(G[1461]<<16|G[1462]<<24);D[b+8|0]=d;D[b+9|0]=d>>>8;D[b+10|0]=d>>>16;D[b+11|0]=d>>>24;D[b+12|0]=c;D[b+13|0]=c>>>8;D[b+14|0]=c>>>16;D[b+15|0]=c>>>24;c=G[1455]|G[1456]<<8|(G[1457]<<16|G[1458]<<24);d=G[1451]|G[1452]<<8|(G[1453]<<16|G[1454]<<24);D[b|0]=d;D[b+1|0]=d>>>8;D[b+2|0]=d>>>16;D[b+3|0]=d>>>24;D[b+4|0]=c;D[b+5|0]=c>>>8;D[b+6|0]=c>>>16;D[b+7|0]=c>>>24;F[a>>2]=-1;ra(a+4|0,b,26);ja(b)}function Kg(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0;e=F[a+4>>2];d=F[e>>2];a:{b=F[a+12>>2];c=F[b+56>>2]-F[b+52>>2]|0;f=c>>2;b:{if(f>>>0<=F[e+8>>2]-d>>2>>>0){break b}if((c|0)<0){break a}b=F[e+4>>2];c=ka(c);f=c+(f<<2)|0;g=c+(b-d&-4)|0;c=g;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;F[c>>2]=F[b>>2];if((b|0)!=(d|0)){continue}break}}F[e+8>>2]=f;F[e+4>>2]=g;F[e>>2]=c;if(!d){break b}ja(d)}e=a+8|0;b=F[a+76>>2];c:{if(b){d=F[b>>2];if((d|0)==F[b+4>>2]){return 1}b=0;while(1){c=od(e,F[(b<<2)+d>>2]);if(!c){break c}f=F[a+76>>2];d=F[f>>2];b=b+1|0;if(b>>>0>2]-d>>2>>>0){continue}break}break c}c=1;a=F[F[a+12>>2]+64>>2];a=F[a+4>>2]-F[a>>2]|0;if(a>>>0<12){break c}a=(a>>2>>>0)/3|0;b=0;while(1){c=od(e,L(b,3));if(!c){break c}b=b+1|0;if((a|0)!=(b|0)){continue}break}}return c|0}na();v()}function Qg(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0;e=F[a+4>>2];d=F[e>>2];a:{b=F[a+12>>2];c=F[b+28>>2]-F[b+24>>2]|0;f=c>>2;b:{if(f>>>0<=F[e+8>>2]-d>>2>>>0){break b}if((c|0)<0){break a}b=F[e+4>>2];c=ka(c);f=c+(f<<2)|0;g=c+(b-d&-4)|0;c=g;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;F[c>>2]=F[b>>2];if((b|0)!=(d|0)){continue}break}}F[e+8>>2]=f;F[e+4>>2]=g;F[e>>2]=c;if(!d){break b}ja(d)}e=a+8|0;b=F[a+76>>2];c:{if(b){d=F[b>>2];if((d|0)==F[b+4>>2]){return 1}b=0;while(1){c=pd(e,F[(b<<2)+d>>2]);if(!c){break c}f=F[a+76>>2];d=F[f>>2];b=b+1|0;if(b>>>0>2]-d>>2>>>0){continue}break}break c}c=1;a=F[a+12>>2];a=F[a+4>>2]-F[a>>2]|0;if(a>>>0<12){break c}a=(a>>2>>>0)/3|0;b=0;while(1){c=pd(e,L(b,3));if(!c){break c}b=b+1|0;if((a|0)!=(b|0)){continue}break}}return c|0}na();v()}function pa(a,b,c){var d=0,e=0;a:{if((a|0)==(b|0)){break a}e=a+c|0;if(b-e>>>0<=0-(c<<1)>>>0){return la(a,b,c)}d=(a^b)&3;b:{c:{if(a>>>0>>0){if(d){d=a;break b}if(!(a&3)){d=a;break c}d=a;while(1){if(!c){break a}D[d|0]=G[b|0];b=b+1|0;c=c-1|0;d=d+1|0;if(d&3){continue}break}break c}d:{if(d){break d}if(e&3){while(1){if(!c){break a}c=c-1|0;d=c+a|0;D[d|0]=G[b+c|0];if(d&3){continue}break}}if(c>>>0<=3){break d}while(1){c=c-4|0;F[c+a>>2]=F[b+c>>2];if(c>>>0>3){continue}break}}if(!c){break a}while(1){c=c-1|0;D[c+a|0]=G[b+c|0];if(c){continue}break}break a}if(c>>>0<=3){break b}while(1){F[d>>2]=F[b>>2];b=b+4|0;d=d+4|0;c=c-4|0;if(c>>>0>3){continue}break}}if(!c){break a}while(1){D[d|0]=G[b|0];d=d+1|0;b=b+1|0;c=c-1|0;if(c){continue}break}}return a}function Pb(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;d=F[a+8>>2];c=F[a+4>>2];if(d-c>>2>>>0>=b>>>0){if(b){b=b<<2;c=ma(c,0,b)+b|0}F[a+4>>2]=c;return}a:{b:{c:{g=F[a>>2];f=c-g>>2;e=f+b|0;if(e>>>0<1073741824){d=d-g|0;h=d>>>1|0;e=d>>>0>=2147483644?1073741823:e>>>0>>0?h:e;if(e){if(e>>>0>=1073741824){break c}i=ka(e<<2)}d=(f<<2)+i|0;f=b<<2;b=ma(d,0,f);f=b+f|0;e=(e<<2)+i|0;if((c|0)==(g|0)){break b}while(1){c=c-4|0;b=F[c>>2];F[c>>2]=0;d=d-4|0;F[d>>2]=b;if((c|0)!=(g|0)){continue}break}F[a+8>>2]=e;b=F[a+4>>2];F[a+4>>2]=f;c=F[a>>2];F[a>>2]=d;if((b|0)==(c|0)){break a}while(1){b=b-4|0;a=F[b>>2];F[b>>2]=0;if(a){$[F[F[a>>2]+4>>2]](a)}if((b|0)!=(c|0)){continue}break}break a}na();v()}oa();v()}F[a+8>>2]=e;F[a+4>>2]=f;F[a>>2]=b}if(c){ja(c)}}function Yd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;e=F[b+8>>2];d=F[b+12>>2];g=d;d=F[b+20>>2];k=d;h=F[b+16>>2];c=h+4|0;d=c>>>0<4?d+1|0:d;i=c;a:{if(c>>>0>e>>>0&(d|0)>=(g|0)|(d|0)>(g|0)){break a}j=F[b>>2];c=j+h|0;f=G[c|0]|G[c+1|0]<<8|(G[c+2|0]<<16|G[c+3|0]<<24);F[b+16>>2]=i;F[b+20>>2]=d;c=e;e=k;d=h+8|0;e=d>>>0<8?e+1|0:e;if(c>>>0>>0&(e|0)>=(g|0)|(e|0)>(g|0)){break a}c=i+j|0;c=G[c|0]|G[c+1|0]<<8|(G[c+2|0]<<16|G[c+3|0]<<24);F[b+16>>2]=d;F[b+20>>2]=e;if((c|0)<(f|0)){break a}F[a+16>>2]=c;F[a+12>>2]=f;d=(c>>31)-((f>>31)+(c>>>0>>0)|0)|0;e=c-f|0;if(!d&e>>>0>2147483646|d){break a}d=e+1|0;F[a+20>>2]=d;e=d>>>1|0;F[a+24>>2]=e;F[a+28>>2]=0-e;if(!(d&1)){F[a+24>>2]=e-1}l=Aa(a+112|0,b)}return l|0}function Wc(a,b){var c=0,d=0,e=0,f=0;d=-1;e=-1;f=-1;a:{b:{if((b|0)==-1){break b}e=F[F[F[a+4>>2]+12>>2]+(b<<2)>>2];c=b+1|0;c=(c>>>0)%3|0?c:b-2|0;if((c|0)>=0){f=(c>>>0)/3|0;f=F[(F[F[a>>2]+96>>2]+L(f,12)|0)+(c-L(f,3)<<2)>>2]}c:{if((e|0)==-1){break c}c=((e>>>0)%3|0?-1:2)+e|0;if((c|0)<0){break c}d=(c>>>0)/3|0;d=F[(F[F[a>>2]+96>>2]+L(d,12)|0)+(c-L(d,3)<<2)>>2]}c=-1;if((d|0)!=(f|0)){break a}f=-1;d:{b=((b>>>0)%3|0?-1:2)+b|0;if((b|0)>=0){d=(b>>>0)/3|0;d=F[(F[F[a>>2]+96>>2]+L(d,12)|0)+(b-L(d,3)<<2)>>2];if((e|0)==-1){break b}break d}d=-1;if((e|0)!=-1){break d}break b}b=e+1|0;b=(b>>>0)%3|0?b:e-2|0;if((b|0)<0){break b}c=F[F[a>>2]+96>>2];a=(b>>>0)/3|0;f=F[(c+L(a,12)|0)+(b-L(a,3)<<2)>>2]}c=(d|0)!=(f|0)?-1:e}return c}function Fc(a,b){var c=0,d=0,e=0;c=Z+-64|0;Z=c;d=F[a>>2];e=F[d-4>>2];d=F[d-8>>2];F[c+32>>2]=0;F[c+36>>2]=0;F[c+40>>2]=0;F[c+44>>2]=0;F[c+48>>2]=0;F[c+52>>2]=0;D[c+55|0]=0;D[c+56|0]=0;D[c+57|0]=0;D[c+58|0]=0;D[c+59|0]=0;D[c+60|0]=0;D[c+61|0]=0;D[c+62|0]=0;F[c+24>>2]=0;F[c+28>>2]=0;F[c+20>>2]=0;F[c+16>>2]=11020;F[c+12>>2]=a;F[c+8>>2]=b;a=a+d|0;d=0;a:{if(La(e,b,0)){F[c+56>>2]=1;$[F[F[e>>2]+20>>2]](e,c+8|0,a,a,1,0);d=F[c+32>>2]==1?a:0;break a}$[F[F[e>>2]+24>>2]](e,c+8|0,a,1,0);b:{switch(F[c+44>>2]){case 0:d=F[c+48>>2]==1?F[c+36>>2]==1?F[c+40>>2]==1?F[c+28>>2]:0:0:0;break a;case 1:break b;default:break a}}if(F[c+32>>2]!=1){if(F[c+48>>2]|F[c+36>>2]!=1|F[c+40>>2]!=1){break a}}d=F[c+24>>2]}Z=c- -64|0;return d}function ma(a,b,c){var d=0,e=0,f=0,g=0;a:{if(!c){break a}D[a|0]=b;d=a+c|0;D[d-1|0]=b;if(c>>>0<3){break a}D[a+2|0]=b;D[a+1|0]=b;D[d-3|0]=b;D[d-2|0]=b;if(c>>>0<7){break a}D[a+3|0]=b;D[d-4|0]=b;if(c>>>0<9){break a}d=0-a&3;e=d+a|0;b=L(b&255,16843009);F[e>>2]=b;d=c-d&-4;c=d+e|0;F[c-4>>2]=b;if(d>>>0<9){break a}F[e+8>>2]=b;F[e+4>>2]=b;F[c-8>>2]=b;F[c-12>>2]=b;if(d>>>0<25){break a}F[e+24>>2]=b;F[e+20>>2]=b;F[e+16>>2]=b;F[e+12>>2]=b;F[c-16>>2]=b;F[c-20>>2]=b;F[c-24>>2]=b;F[c-28>>2]=b;g=e&4|24;c=d-g|0;if(c>>>0<32){break a}d=ki(b,0,1,1);f=_;b=e+g|0;while(1){F[b+24>>2]=d;F[b+28>>2]=f;F[b+16>>2]=d;F[b+20>>2]=f;F[b+8>>2]=d;F[b+12>>2]=f;F[b>>2]=d;F[b+4>>2]=f;b=b+32|0;c=c-32|0;if(c>>>0>31){continue}break}}return a}function ie(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;d=F[b+8>>2];e=F[b+12>>2];g=e;e=F[b+20>>2];k=e;h=F[b+16>>2];c=h+4|0;e=c>>>0<4?e+1|0:e;i=c;a:{if(c>>>0>d>>>0&(e|0)>=(g|0)|(e|0)>(g|0)){break a}j=F[b>>2];c=j+h|0;f=G[c|0]|G[c+1|0]<<8|(G[c+2|0]<<16|G[c+3|0]<<24);F[b+16>>2]=i;F[b+20>>2]=e;c=d;d=k;e=h+8|0;d=e>>>0<8?d+1|0:d;if(c>>>0>>0&(d|0)>=(g|0)|(d|0)>(g|0)){break a}c=i+j|0;c=G[c|0]|G[c+1|0]<<8|(G[c+2|0]<<16|G[c+3|0]<<24);F[b+16>>2]=e;F[b+20>>2]=d;if((c|0)<(f|0)){break a}F[a+16>>2]=c;F[a+12>>2]=f;d=(c>>31)-((f>>31)+(c>>>0>>0)|0)|0;b=c-f|0;if(!d&b>>>0>2147483646|d){break a}l=1;d=b+1|0;F[a+20>>2]=d;b=d>>>1|0;F[a+24>>2]=b;F[a+28>>2]=0-b;if(d&1){break a}F[a+24>>2]=b-1}return l|0}function Uc(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;d=Z-16|0;Z=d;f=F[a+24>>2];k=F[a+28>>2];a:{if((f|0)!=(k|0)){while(1){F[d+8>>2]=0;F[d>>2]=0;F[d+4>>2]=0;a=Sc(F[f>>2],b,d);g=G[d+11|0];h=g<<24>>24;i=3;b:{c:{d:{if(!a){break d}i=0;a=G[c+11|0];e=a<<24>>24;j=(h|0)<0?F[d+4>>2]:g;if((j|0)!=(((e|0)<0?F[c+4>>2]:a)|0)){break d}a=(e|0)<0?F[c>>2]:c;e=(h|0)<0;e:{if(!e){e=d;if(!h){break e}while(1){if(G[e|0]!=G[a|0]){break d}a=a+1|0;e=e+1|0;g=g-1|0;if(g){continue}break}break e}if(!j){break e}if(sa(e?F[d>>2]:d,a,j)){break c}}l=F[f>>2];i=1}if((h|0)>=0){break b}}ja(F[d>>2])}f:{switch(i|0){case 0:case 3:break f;default:break a}}f=f+4|0;if((k|0)!=(f|0)){continue}break}}l=0}Z=d+16|0;return l}function gb(a,b,c){var d=0,e=0,f=0,g=0,h=0,i=0;f=c-b|0;h=f>>2;d=F[a+8>>2];e=F[a>>2];if(h>>>0<=d-e>>2>>>0){d=F[a+4>>2];g=d-e|0;f=g+b|0;i=g>>2;g=i>>>0>>0?f:c;if((g|0)!=(b|0)){while(1){F[e>>2]=F[b>>2];e=e+4|0;b=b+4|0;if((g|0)!=(b|0)){continue}break}}if(h>>>0>i>>>0){if((c|0)!=(g|0)){while(1){F[d>>2]=F[f>>2];d=d+4|0;f=f+4|0;if((f|0)!=(c|0)){continue}break}}F[a+4>>2]=d;return}F[a+4>>2]=e;return}if(e){F[a+4>>2]=e;ja(e);F[a+8>>2]=0;F[a>>2]=0;F[a+4>>2]=0;d=0}a:{if((f|0)<0){break a}e=d>>>1|0;d=d>>>0>=2147483644?1073741823:e>>>0>h>>>0?e:h;if(d>>>0>=1073741824){break a}e=d<<2;d=ka(e);F[a>>2]=d;F[a+8>>2]=d+e;if((b|0)!=(c|0)){c=b;b=(f-4&-4)+4|0;d=la(d,c,b)+b|0}F[a+4>>2]=d;return}na();v()}function Ea(a,b,c){var d=0,e=0,f=0;e=Z-16|0;Z=e;F[a+4>>2]=0;a:{b:{if(!b){break b}f=F[a+8>>2];d=f<<5;c:{if(d>>>0>=b>>>0){F[a+4>>2]=b;break c}F[e+8>>2]=0;F[e>>2]=0;F[e+4>>2]=0;if((b|0)<0){break a}if(d>>>0<=1073741822){f=f<<6;d=b+31&-32;d=d>>>0>>0?f:d}else{d=2147483647}$a(e,d);f=F[a>>2];F[a>>2]=F[e>>2];F[e>>2]=f;d=F[a+4>>2];F[a+4>>2]=b;F[e+4>>2]=d;d=F[a+8>>2];F[a+8>>2]=F[e+8>>2];F[e+8>>2]=d;if(!f){break c}ja(f)}d=b>>>5|0;a=F[a>>2];if(G[c|0]){if(b>>>0>=32){ma(a,255,d<<2)}if((b&-32)==(b|0)){break b}a=a+(d<<2)|0;F[a>>2]=F[a>>2]|-1>>>32-(b&31);break b}if(b>>>0>=32){ma(a,0,d<<2)}if((b&-32)==(b|0)){break b}a=a+(d<<2)|0;F[a>>2]=F[a>>2]&(-1>>>32-(b&31)^-1)}Z=e+16|0;return}na();v()}function If(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;e=Z-32|0;Z=e;a:{b:{f=ya(c);if(f>>>0<2147483632){c:{d:{if(f>>>0>=11){a=(f|15)+1|0;g=ka(a);F[e+24>>2]=a|-2147483648;F[e+16>>2]=g;F[e+20>>2]=f;a=f+g|0;break d}D[e+27|0]=f;g=e+16|0;a=f+g|0;if(!f){break c}}la(g,c,f)}D[a|0]=0;c=ya(d);if(c>>>0>=2147483632){break b}e:{f:{if(c>>>0>=11){f=(c|15)+1|0;a=ka(f);F[e+8>>2]=f|-2147483648;F[e>>2]=a;F[e+4>>2]=c;g=a+c|0;break f}D[e+11|0]=c;g=c+e|0;a=e;if(!c){break e}}la(a,d,c)}D[g|0]=0;c=F[b+4>>2];a=-1;g:{if(!c){break g}c=Uc(c,e+16|0,e);a=-1;if(!c){break g}a=Pc(b,F[c+24>>2])}if(D[e+11|0]<0){ja(F[e>>2])}if(D[e+27|0]<0){ja(F[e+16>>2])}Z=e+32|0;break a}za();v()}za();v()}return a|0}function se(a,b){a=a|0;b=b|0;a=0;a:{switch(b|0){case 0:a=ka(20);F[a+12>>2]=-1;F[a+16>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[a>>2]=1920;return a|0;case 1:a=ka(24);F[a+12>>2]=-1;F[a+16>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[a>>2]=1920;F[a+20>>2]=0;F[a>>2]=2136;return a|0;case 2:a=ka(48);F[a+12>>2]=-1;F[a+16>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[a>>2]=1920;F[a+20>>2]=0;F[a>>2]=2136;F[a+24>>2]=1624;F[a>>2]=7948;F[a+32>>2]=0;F[a+36>>2]=0;F[a+28>>2]=-1;F[a+40>>2]=0;F[a+44>>2]=0;return a|0;case 3:a=ka(32);F[a+12>>2]=-1;F[a+16>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[a>>2]=1920;F[a+20>>2]=0;F[a>>2]=2136;F[a+24>>2]=1032;F[a>>2]=5812;F[a+28>>2]=-1;break;default:break a}}return a|0}function Be(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;f=F[b>>2];b=F[b+4>>2];d=F[F[a+8>>2]+40>>2];j=d;m=ka((d|0)<0?-1:d);i=b-f|0;e=1;a:{if((i|0)<4){break a}b=0;g=F[c+16>>2];k=d;f=g+d|0;d=0+F[c+20>>2]|0;d=f>>>0>>0?d+1|0:d;h=F[c+12>>2];e=0;if(I[c+8>>2]>>0&(d|0)>=(h|0)|(d|0)>(h|0)){break a}e=i>>2;i=(e|0)<=1?1:e;while(1){b:{g=la(m,F[c>>2]+g|0,j);F[c+16>>2]=f;F[c+20>>2]=d;la(F[F[F[a+8>>2]+64>>2]>>2]+b|0,g,j);l=l+1|0;if((i|0)==(l|0)){break b}b=b+j|0;d=n+F[c+20>>2]|0;g=F[c+16>>2];f=k+g|0;d=f>>>0>>0?d+1|0:d;h=F[c+12>>2];if((d|0)<=(h|0)&I[c+8>>2]>=f>>>0|(d|0)<(h|0)){continue}}break}e=(e|0)<=(l|0)}ja(m);return e|0}function mh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;F[b>>2]=1;f=b+8|0;c=F[b+8>>2];d=F[b+12>>2]-c|0;if(d>>>0<=4294967291){Db(f,d+4|0);c=F[f>>2]}c=c+d|0;d=F[a+4>>2];D[c|0]=d;D[c+1|0]=d>>>8;D[c+2|0]=d>>>16;D[c+3|0]=d>>>24;c=F[a+8>>2];if((c|0)!=F[a+12>>2]){d=0;while(1){g=(d<<2)+c|0;c=F[b+8>>2];e=F[b+12>>2]-c|0;if(e>>>0<=4294967291){Db(f,e+4|0);c=F[f>>2]}c=c+e|0;e=F[g>>2];D[c|0]=e;D[c+1|0]=e>>>8;D[c+2|0]=e>>>16;D[c+3|0]=e>>>24;d=d+1|0;c=F[a+8>>2];if(d>>>0>2]-c>>2>>>0){continue}break}}c=F[b+12>>2];b=F[b+8>>2];c=c-b|0;if(c>>>0<=4294967291){Db(f,c+4|0);b=F[f>>2]}b=b+c|0;a=F[a+20>>2];D[b|0]=a;D[b+1|0]=a>>>8;D[b+2|0]=a>>>16;D[b+3|0]=a>>>24}function mb(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;c=F[a+4>>2];if((c|0)!=F[a+8>>2]){e=F[b+4>>2];F[c>>2]=F[b>>2];F[c+4>>2]=e;F[c+8>>2]=F[b+8>>2];F[a+4>>2]=c+12;return}a:{g=F[a>>2];d=(c-g|0)/12|0;e=d+1|0;if(e>>>0<357913942){f=d<<1;f=d>>>0>=178956970?357913941:e>>>0>>0?f:e;if(f){if(f>>>0>=357913942){break a}e=ka(L(f,12))}else{e=0}d=e+L(d,12)|0;h=F[b+4>>2];F[d>>2]=F[b>>2];F[d+4>>2]=h;F[d+8>>2]=F[b+8>>2];b=d+12|0;if((c|0)!=(g|0)){while(1){c=c-12|0;h=F[c+4>>2];d=d-12|0;F[d>>2]=F[c>>2];F[d+4>>2]=h;F[d+8>>2]=F[c+8>>2];if((c|0)!=(g|0)){continue}break}c=F[a>>2]}F[a+8>>2]=e+L(f,12);F[a+4>>2]=b;F[a>>2]=d;if(c){ja(c)}return}na();v()}oa();v()}function ne(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0;h=F[c+12>>2];f=h;e=F[c+20>>2];i=F[c+8>>2];g=F[c+16>>2];a:{if((f|0)<=(e|0)&i>>>0<=g>>>0|(e|0)>(f|0)){break a}j=F[c>>2];k=D[j+g|0];d=e;f=g+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;b:{if((k|0)==-2){break b}if((d|0)>=(h|0)&f>>>0>=i>>>0|(d|0)>(h|0)){break a}d=D[f+j|0];g=g+2|0;e=g>>>0<2?e+1|0:e;F[c+16>>2]=g;F[c+20>>2]=e;if((d-4&255)>>>0<251){break a}e=$[F[F[a>>2]+40>>2]](a,k,d)|0;d=F[a+20>>2];F[a+20>>2]=e;if(!d){break b}$[F[F[d>>2]+4>>2]](d)}d=F[a+20>>2];if(d){if(!($[F[F[a>>2]+28>>2]](a,d)|0)){break a}}l=$[F[F[a>>2]+36>>2]](a,b,c)|0}return l|0}function Bf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0;a:{if(I[b+80>>2]>65535){break a}a=F[b+100>>2];b=F[b+96>>2];e=(a-b|0)/12|0;f=L(e,6);g=(f|0)==(c|0);if((a|0)==(b|0)|(c|0)!=(f|0)){break a}g=1;c=e>>>0<=1?1:e;i=c&1;a=0;if(e>>>0>=2){j=c&-2;c=0;while(1){f=L(a,6);h=f+d|0;e=b+L(a,12)|0;E[h>>1]=F[e>>2];E[(f|2)+d>>1]=F[e+4>>2];E[h+4>>1]=F[e+8>>2];f=a|1;e=L(f,6)+d|0;f=b+L(f,12)|0;E[e>>1]=F[f>>2];E[e+2>>1]=F[f+4>>2];E[e+4>>1]=F[f+8>>2];a=a+2|0;c=c+2|0;if((j|0)!=(c|0)){continue}break}}if(!i){break a}c=L(a,6)+d|0;a=b+L(a,12)|0;E[c>>1]=F[a>>2];E[c+2>>1]=F[a+4>>2];E[c+4>>1]=F[a+8>>2]}return g|0}function Gh(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;f=Z-32|0;Z=f;h=e>>>0>1073741823?-1:e<<2;h=ma(ka(h),0,h);g=F[b>>2];i=F[b+4>>2];k=F[h+4>>2];F[f+16>>2]=F[h>>2];F[f+20>>2]=k;F[f+8>>2]=g;F[f+12>>2]=i;i=a+8|0;Jb(f+24|0,i,f+16|0,f+8|0);F[c>>2]=F[f+24>>2];F[c+4>>2]=F[f+28>>2];if((d|0)>(e|0)){k=0-e<<2;a=e;while(1){g=a<<2;j=g+b|0;m=F[j>>2];j=F[j+4>>2];g=c+g|0;l=g+k|0;n=F[l+4>>2];F[f+16>>2]=F[l>>2];F[f+20>>2]=n;F[f+8>>2]=m;F[f+12>>2]=j;Jb(f+24|0,i,f+16|0,f+8|0);F[g>>2]=F[f+24>>2];F[g+4>>2]=F[f+28>>2];a=a+e|0;if((d|0)>(a|0)){continue}break}}ja(h);Z=f+32|0;return 1}function Sf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0;a=Z-32|0;Z=a;F[a+24>>2]=0;F[a+28>>2]=0;a:{d=ya(c);if(d>>>0<2147483632){b:{c:{if(d>>>0>=11){e=(d|15)+1|0;f=ka(e);F[a+16>>2]=e|-2147483648;F[a+8>>2]=f;F[a+12>>2]=d;e=d+f|0;break c}D[a+19|0]=d;f=a+8|0;e=f+d|0;if(!d){break b}}la(f,c,d)}D[e|0]=0;c=b+4|0;b=Ya(b,a+8|0);d:{if((c|0)==(b|0)){break d}c=F[b+32>>2];b=F[b+28>>2];if((c-b|0)!=8){break d}c=G[b+4|0]|G[b+5|0]<<8|(G[b+6|0]<<16|G[b+7|0]<<24);F[a+24>>2]=G[b|0]|G[b+1|0]<<8|(G[b+2|0]<<16|G[b+3|0]<<24);F[a+28>>2]=c}g=K[a+24>>3];if(D[a+19|0]<0){ja(F[a+8>>2])}Z=a+32|0;break a}za();v()}return+g}function Gc(a,b,c,d,e,f,g){var h=0,i=0,j=0;h=Z-16|0;Z=h;if((b^-1)+2147483631>>>0>=c>>>0){if(G[a+11|0]>>>7|0){i=F[a>>2]}else{i=a}if(b>>>0<1073741799){F[h+12>>2]=b<<1;F[h>>2]=b+c;c=Z-16|0;Z=c;Z=c+16|0;c=h+12|0;c=F[(I[h>>2]>2]?c:h)>>2];if(c>>>0>=11){j=c+16&-16;c=j-1|0;c=(c|0)==11?j:c}else{c=10}c=c+1|0}else{c=2147483631}sb(h,c);c=F[h>>2];if(f){db(c,g,f)}g=d-e|0;if((d|0)!=(e|0)){db(c+f|0,e+i|0,g)}if((b|0)!=10){ja(i)}F[a>>2]=c;F[a+8>>2]=F[a+8>>2]&-2147483648|F[h+4>>2]&2147483647;F[a+8>>2]=F[a+8>>2]|-2147483648;b=a;a=f+g|0;F[b+4>>2]=a;D[h+12|0]=0;D[a+c|0]=G[h+12|0];Z=h+16|0;return}za();v()}function _c(a,b,c){var d=0,e=0,f=0,g=0;a:{f=b>>>0<1431655766&(b|c)>=0;b:{if(!f){break b}b=L(b,3);Xb(a,b,10224);Xb(a+12|0,b,10228);d=F[a+24>>2];c:{if(F[a+32>>2]-d>>2>>>0>=c>>>0){break c}if(c>>>0>=1073741824){break a}b=F[a+28>>2];e=c<<2;c=ka(e);e=c+e|0;g=c+(b-d&-4)|0;c=g;if((b|0)!=(d|0)){while(1){c=c-4|0;b=b-4|0;F[c>>2]=F[b>>2];if((b|0)!=(d|0)){continue}break}}F[a+32>>2]=e;F[a+28>>2]=g;F[a+24>>2]=c;if(!d){break c}ja(d)}F[a+80>>2]=0;F[a+84>>2]=0;b=F[a+76>>2];F[a+76>>2]=0;if(b){ja(b)}F[a+68>>2]=0;F[a+72>>2]=0;b=a- -64|0;a=F[b>>2];F[b>>2]=0;if(!a){break b}ja(a)}return f}na();v()}function yd(a){var b=0,c=0,d=0,e=0,f=0;f=1;c=F[a+140>>2];a:{if((c|0)<=0){break a}b=c<<4;d=ka(c>>>0>268435455?-1:b|4);F[d>>2]=c;d=d+4|0;c=d+b|0;b=d;while(1){F[b>>2]=0;F[b+4>>2]=0;D[b+5|0]=0;D[b+6|0]=0;D[b+7|0]=0;D[b+8|0]=0;D[b+9|0]=0;D[b+10|0]=0;D[b+11|0]=0;D[b+12|0]=0;b=b+16|0;if((c|0)!=(b|0)){continue}break}e=F[a+136>>2];F[a+136>>2]=d;if(e){c=e-4|0;d=F[c>>2];if(d){b=(d<<4)+e|0;while(1){b=b-16|0;if((e|0)!=(b|0)){continue}break}}ja(c)}b=0;if(F[a+140>>2]<=0){break a}while(1){f=Aa(F[a+136>>2]+(b<<4)|0,a);if(!f){break a}b=b+1|0;if((b|0)>2]){continue}break}}return f} +function Sd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;d=F[b+8>>2];c=F[b+12>>2];g=c;c=F[b+20>>2];i=c;h=F[b+16>>2];f=h+4|0;c=f>>>0<4?c+1|0:c;a:{if(d>>>0>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break a}e=h+F[b>>2]|0;e=G[e|0]|G[e+1|0]<<8|(G[e+2|0]<<16|G[e+3|0]<<24);F[b+16>>2]=f;F[b+20>>2]=c;f=d;d=i;c=h+8|0;d=c>>>0<8?d+1|0:d;if(c>>>0>f>>>0&(d|0)>=(g|0)|(d|0)>(g|0)){break a}F[b+16>>2]=c;F[b+20>>2]=d;if(!(e&1)){break a}d=O(e)^31;if(d-1>>>0>28){break a}F[a+8>>2]=d+1;d=-2<>2]=c;F[a+12>>2]=d^-1;F[a+24>>2]=c>>1;J[a+20>>2]=M(2)/M(c|0);j=Aa(a+96|0,b)}return j|0}function bc(a,b){var c=0;c=F[b+4>>2];F[a>>2]=F[b>>2];F[a+4>>2]=c;c=F[b+60>>2];F[a+56>>2]=F[b+56>>2];F[a+60>>2]=c;c=F[b+52>>2];F[a+48>>2]=F[b+48>>2];F[a+52>>2]=c;c=F[b+44>>2];F[a+40>>2]=F[b+40>>2];F[a+44>>2]=c;c=F[b+36>>2];F[a+32>>2]=F[b+32>>2];F[a+36>>2]=c;c=F[b+28>>2];F[a+24>>2]=F[b+24>>2];F[a+28>>2]=c;c=F[b+20>>2];F[a+16>>2]=F[b+16>>2];F[a+20>>2]=c;c=F[b+12>>2];F[a+8>>2]=F[b+8>>2];F[a+12>>2]=c;F[a+88>>2]=0;F[a+64>>2]=0;F[a+68>>2]=0;F[a+72>>2]=0;F[a+76>>2]=0;D[a+77|0]=0;D[a+78|0]=0;D[a+79|0]=0;D[a+80|0]=0;D[a+81|0]=0;D[a+82|0]=0;D[a+83|0]=0;D[a+84|0]=0;return a}function ac(a,b){var c=0,d=0,e=0,f=0,g=0;a:{if(F[a+64>>2]){break a}c=ka(32);F[c+16>>2]=0;F[c+20>>2]=0;F[c+8>>2]=0;F[c>>2]=0;F[c+4>>2]=0;F[c+24>>2]=0;F[c+28>>2]=0;d=F[a+64>>2];F[a+64>>2]=c;if(!d){break a}c=F[d>>2];if(c){F[d+4>>2]=c;ja(c)}ja(d)}d=F[a+64>>2];c=F[a+28>>2]-1|0;if(c>>>0<=10){c=F[(c<<2)+10148>>2]}else{c=-1}c=L(c,G[a+24|0]);f=c>>31;g=md(d,0,ki(c,f,b,0),_);if(g){d=F[a+64>>2];F[a>>2]=d;e=F[d+20>>2];F[a+8>>2]=F[d+16>>2];F[a+12>>2]=e;e=F[d+24>>2];d=F[d+28>>2];F[a+48>>2]=0;F[a+52>>2]=0;F[a+40>>2]=c;F[a+44>>2]=f;F[a+16>>2]=e;F[a+20>>2]=d;F[a+80>>2]=b}return g}function Af(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0;a=F[b+100>>2];b=F[b+96>>2];h=a-b|0;a:{if((h|0)!=(c|0)|(a|0)==(b|0)){break a}g=(c|0)/12|0;e=g>>>0<=1?1:g;j=e&1;a=0;if(g>>>0>=2){k=e&-2;g=0;while(1){e=L(a,12);i=e+d|0;f=b+e|0;F[i>>2]=F[f>>2];F[(e|4)+d>>2]=F[f+4>>2];F[i+8>>2]=F[f+8>>2];f=L(a|1,12);e=f+d|0;f=b+f|0;F[e>>2]=F[f>>2];F[e+4>>2]=F[f+4>>2];F[e+8>>2]=F[f+8>>2];a=a+2|0;g=g+2|0;if((k|0)!=(g|0)){continue}break}}if(!j){break a}e=d;d=L(a,12);a=e+d|0;b=b+d|0;F[a>>2]=F[b>>2];F[a+4>>2]=F[b+4>>2];F[a+8>>2]=F[b+8>>2]}return(c|0)==(h|0)|0}function Kh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;c=F[b+8>>2];d=F[b+12>>2];g=d;d=F[b+20>>2];i=d;h=F[b+16>>2];f=h+4|0;d=f>>>0<4?d+1|0:d;a:{if(c>>>0>>0&(d|0)>=(g|0)|(d|0)>(g|0)){break a}e=h+F[b>>2]|0;e=G[e|0]|G[e+1|0]<<8|(G[e+2|0]<<16|G[e+3|0]<<24);F[b+16>>2]=f;F[b+20>>2]=d;f=c;c=i;d=h+8|0;c=d>>>0<8?c+1|0:c;if(d>>>0>f>>>0&(c|0)>=(g|0)|(c|0)>(g|0)){break a}F[b+16>>2]=d;F[b+20>>2]=c;if(!(e&1)){break a}b=O(e)^31;if(b-1>>>0>28){break a}j=1;F[a+8>>2]=b+1;b=-2<>2]=c;F[a+12>>2]=b^-1;F[a+24>>2]=c>>1;J[a+20>>2]=M(2)/M(c|0)}return j|0}function Ya(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;f=a+4|0;a=F[a+4>>2];a:{b:{if(!a){break b}d=G[b+11|0];c=d<<24>>24<0;g=c?F[b>>2]:b;d=c?F[b+4>>2]:d;b=f;while(1){e=G[a+27|0];c=e<<24>>24<0;e=c?F[a+20>>2]:e;h=e>>>0>d>>>0;i=h?d:e;c:{if(i){c=sa(c?F[a+16>>2]:a+16|0,g,i);if(c){break c}}c=d>>>0>e>>>0?-1:h}c=(c|0)<0;b=c?b:a;a=F[(c?a+4|0:a)>>2];if(a){continue}break}if((b|0)==(f|0)){break b}c=G[b+27|0];a=c<<24>>24<0;d:{c=a?F[b+20>>2]:c;e=c>>>0>>0?c:d;if(e){a=sa(g,a?F[b+16>>2]:b+16|0,e);if(a){break d}}if(c>>>0>d>>>0){break b}break a}if((a|0)>=0){break a}}b=f}return b}function Oe(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;if(La(a,F[b+8>>2],e)){if(!(F[b+28>>2]==1|F[b+4>>2]!=(c|0))){F[b+28>>2]=d}return}a:{if(La(a,F[b>>2],e)){if(!(F[b+16>>2]!=(c|0)&F[b+20>>2]!=(c|0))){if((d|0)!=1){break a}F[b+32>>2]=1;return}F[b+32>>2]=d;b:{if(F[b+44>>2]==4){break b}E[b+52>>1]=0;a=F[a+8>>2];$[F[F[a>>2]+20>>2]](a,b,c,c,1,e);if(G[b+53|0]){F[b+44>>2]=3;if(!G[b+52|0]){break b}break a}F[b+44>>2]=4}F[b+20>>2]=c;F[b+40>>2]=F[b+40>>2]+1;if(F[b+36>>2]!=1|F[b+24>>2]!=2){break a}D[b+54|0]=1;return}a=F[a+8>>2];$[F[F[a>>2]+24>>2]](a,b,c,d,e)}}function Ig(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0;f=ka(64);c=ka(12);F[c+8>>2]=F[F[a+4>>2]+80>>2];F[c>>2]=9968;F[c+4>>2]=0;f=yc(f,c);a:{b:{if((b|0)<0){c=f;break b}h=a+8|0;c=F[a+12>>2];e=F[a+8>>2];g=c-e>>2;c:{if((g|0)>(b|0)){break c}d=b+1|0;if(b>>>0>=g>>>0){Pb(h,d-g|0);break c}if(d>>>0>=g>>>0){break c}e=e+(d<<2)|0;if((e|0)!=(c|0)){while(1){c=c-4|0;d=F[c>>2];F[c>>2]=0;if(d){$[F[F[d>>2]+4>>2]](d)}if((c|0)!=(e|0)){continue}break}}F[a+12>>2]=e}a=F[h>>2]+(b<<2)|0;c=F[a>>2];F[a>>2]=f;if(!c){break a}}$[F[F[c>>2]+4>>2]](c)}return(b^-1)>>>31|0}function we(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;c=F[a+60>>2];a:{if(!c){break a}F[c+4>>2]=a+48;if(!($[F[F[c>>2]+12>>2]](c)|0)){break a}b:{c=$[F[F[a>>2]+24>>2]](a)|0;if((c|0)<=0){break b}while(1){c:{f=F[($[F[F[a>>2]+28>>2]](a)|0)+4>>2];g=$[F[F[a>>2]+20>>2]](a,d)|0;e=F[a+60>>2];if(!($[F[F[e>>2]+8>>2]](e,F[F[f+8>>2]+(g<<2)>>2])|0)){break c}d=d+1|0;if((c|0)!=(d|0)){continue}break b}break}return 0}d=0;if(!($[F[F[a>>2]+36>>2]](a,b)|0)){break a}if(!($[F[F[a>>2]+40>>2]](a,b)|0)){break a}d=$[F[F[a>>2]+44>>2]](a)|0}return d|0}function Id(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;c=F[a+216>>2];if((c|0)!=F[a+220>>2]){while(1){a:{c=F[L(e,144)+c>>2];if((c|0)<0){break a}d=F[a+4>>2];f=F[d+8>>2];if((c|0)>=F[d+12>>2]-f>>2){break a}d=0;c=F[(c<<2)+f>>2];if(($[F[F[c>>2]+24>>2]](c)|0)<=0){break a}while(1){if(($[F[F[c>>2]+20>>2]](c,d)|0)!=(b|0)){d=d+1|0;if(($[F[F[c>>2]+24>>2]](c)|0)>(d|0)){continue}break a}break}a=F[a+216>>2]+L(e,144)|0;return(G[a+100|0]?a+4|0:0)|0}e=e+1|0;c=F[a+216>>2];if(e>>>0<(F[a+220>>2]-c|0)/144>>>0){continue}break}}return 0}function nd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;c=F[a+8>>2];d=F[a+4>>2];if(c-d>>2>>>0>=b>>>0){if(b){b=b<<2;d=ma(d,0,b)+b|0}F[a+4>>2]=d;return}a:{f=F[a>>2];g=d-f>>2;e=g+b|0;if(e>>>0<1073741824){c=c-f|0;h=c>>>1|0;e=c>>>0>=2147483644?1073741823:e>>>0>>0?h:e;if(e){if(e>>>0>=1073741824){break a}i=ka(e<<2)}c=(g<<2)+i|0;b=b<<2;b=ma(c,0,b)+b|0;if((d|0)!=(f|0)){while(1){c=c-4|0;d=d-4|0;F[c>>2]=F[d>>2];if((d|0)!=(f|0)){continue}break}}F[a+8>>2]=(e<<2)+i;F[a+4>>2]=b;F[a>>2]=c;if(f){ja(f)}return}na();v()}oa();v()}function bb(a){var b=0,c=0,d=0,e=0,f=0;d=F[a+8>>2];a:{if(G[d+84|0]){break a}b=F[a+16>>2];if(!b|!G[b+84|0]){break a}c=F[d+72>>2];e=F[d+68>>2];D[b+84|0]=0;c=c-e>>2;f=F[b+68>>2];e=F[b+72>>2]-f>>2;b:{if(c>>>0>e>>>0){ab(b+68|0,c-e|0,2004);d=F[a+8>>2];break b}if(c>>>0>=e>>>0){break b}F[b+72>>2]=f+(c<<2)}if(G[d+84|0]){break a}c=F[d+68>>2];if((c|0)==F[d+72>>2]){break a}e=F[F[a+16>>2]+68>>2];b=0;while(1){f=b<<2;F[f+e>>2]=F[c+f>>2];b=b+1|0;c=F[d+68>>2];if(b>>>0>2]-c>>2>>>0){continue}break}}return F[a+16>>2]}function Lf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;e=Z+-64|0;Z=e;f=Ja(e+8|0);F[f+16>>2]=0;F[f+20>>2]=0;F[f>>2]=b;F[f+8>>2]=c;F[f+12>>2]=0;b=e+48|0;Pd(b,a,f,d);F[a+24>>2]=F[e+48>>2];f=a+24|0;a:{if((f|0)==(b|0)){break a}b=a+28|0;c=e+48|4;g=G[e+63|0];d=g<<24>>24;if(D[a+39|0]>=0){if((d|0)>=0){a=F[c+4>>2];F[b>>2]=F[c>>2];F[b+4>>2]=a;F[b+8>>2]=F[c+8>>2];break a}qb(b,F[e+52>>2],F[e+56>>2]);break a}a=(d|0)<0;rb(b,a?F[e+52>>2]:c,a?F[e+56>>2]:g)}if(D[e+63|0]<0){ja(F[e+52>>2])}Z=e- -64|0;return f|0}function Jf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0;a=Z-32|0;Z=a;a:{d=ya(c);if(d>>>0<2147483632){b:{c:{if(d>>>0>=11){e=(d|15)+1|0;f=ka(e);F[a+24>>2]=e|-2147483648;F[a+16>>2]=f;F[a+20>>2]=d;e=d+f|0;break c}D[a+27|0]=d;f=a+16|0;e=f+d|0;if(!d){break b}}la(f,c,d)}D[e|0]=0;D[a+4|0]=0;F[a>>2]=1701667182;D[a+11|0]=4;d=F[b+4>>2];c=-1;d:{if(!d){break d}d=Uc(d,a,a+16|0);c=-1;if(!d){break d}c=Pc(b,F[d+24>>2])}b=c;if(D[a+11|0]<0){ja(F[a>>2])}if(D[a+27|0]<0){ja(F[a+16>>2])}Z=a+32|0;break a}za();v()}return b|0}function Hd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;c=F[a+216>>2];if((c|0)!=F[a+220>>2]){while(1){a:{c=F[L(e,144)+c>>2];if((c|0)<0){break a}d=F[a+4>>2];f=F[d+8>>2];if((c|0)>=F[d+12>>2]-f>>2){break a}d=0;c=F[(c<<2)+f>>2];if(($[F[F[c>>2]+24>>2]](c)|0)<=0){break a}while(1){if(($[F[F[c>>2]+20>>2]](c,d)|0)!=(b|0)){d=d+1|0;if(($[F[F[c>>2]+24>>2]](c)|0)>(d|0)){continue}break a}break}return(F[a+216>>2]+L(e,144)|0)+104|0}e=e+1|0;c=F[a+216>>2];if(e>>>0<(F[a+220>>2]-c|0)/144>>>0){continue}break}}return a+184|0}function Uf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0;d=Z-16|0;Z=d;F[d+12>>2]=0;a:{e=ya(c);if(e>>>0<2147483632){b:{c:{if(e>>>0>=11){f=(e|15)+1|0;a=ka(f);F[d+8>>2]=f|-2147483648;F[d>>2]=a;F[d+4>>2]=e;f=a+e|0;break c}D[d+11|0]=e;f=d+e|0;a=d;if(!e){break b}}la(a,c,e)}D[f|0]=0;a=Ya(b,d);d:{if((a|0)==(b+4|0)){break d}b=F[a+32>>2];a=F[a+28>>2];if((b-a|0)!=4){break d}F[d+12>>2]=G[a|0]|G[a+1|0]<<8|(G[a+2|0]<<16|G[a+3|0]<<24)}a=F[d+12>>2];if(D[d+11|0]<0){ja(F[d>>2])}Z=d+16|0;break a}za();v()}return a|0}function Mf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;d=Z+-64|0;Z=d;e=Ja(d+8|0);F[e+16>>2]=0;F[e+20>>2]=0;F[e>>2]=b;F[e+8>>2]=c;F[e+12>>2]=0;b=d+48|0;Od(b);F[a+24>>2]=F[d+48>>2];f=a+24|0;a:{if((b|0)==(f|0)){break a}b=a+28|0;c=d+48|4;g=G[d+63|0];e=g<<24>>24;if(D[a+39|0]>=0){if((e|0)>=0){a=F[c+4>>2];F[b>>2]=F[c>>2];F[b+4>>2]=a;F[b+8>>2]=F[c+8>>2];break a}qb(b,F[d+52>>2],F[d+56>>2]);break a}a=(e|0)<0;rb(b,a?F[d+52>>2]:c,a?F[d+56>>2]:g)}if(D[d+63|0]<0){ja(F[d+52>>2])}Z=d- -64|0;return f|0}function Ce(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0,h=0;e=1;a:{if(($[F[F[b>>2]+20>>2]](b)|0)<=0){break a}while(1){e=0;d=Qc(F[F[a+4>>2]+4>>2],$[F[F[b>>2]+24>>2]](b,f)|0);if((d|0)==-1){break a}g=F[a+4>>2];c=0;b:{if((d|0)<0){break b}h=F[g+4>>2];if((d|0)>=F[h+12>>2]-F[h+8>>2]>>2){break b}c=F[F[g+8>>2]+(F[F[g+20>>2]+(d<<2)>>2]<<2)>>2];c=$[F[F[c>>2]+32>>2]](c,d)|0}if(!c){break a}if(!($[F[F[b>>2]+28>>2]](b,c)|0)){break a}e=1;f=f+1|0;if(($[F[F[b>>2]+20>>2]](b)|0)>(f|0)){continue}break}}return e|0}function Db(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;a:{c=F[a+4>>2];e=F[a>>2];d=c-e|0;b:{if(d>>>0>>0){g=b-d|0;f=F[a+8>>2];if(g>>>0<=f-c>>>0){h=a,i=ma(c,0,g)+g|0,F[h+4>>2]=i;break b}if((b|0)<0){break a}c=f-e|0;f=c<<1;c=c>>>0>=1073741823?2147483647:b>>>0>>0?f:b;f=ka(c);ma(f+d|0,0,g);d=pa(f,e,d);F[a+8>>2]=d+c;F[a+4>>2]=b+d;F[a>>2]=d;if(!e){break b}ja(e);break b}if(b>>>0>=d>>>0){break b}F[a+4>>2]=b+e}b=F[a+28>>2];c=b;d=b+1|0;b=F[a+24>>2]+1|0;e=b?c:d;F[a+24>>2]=b;F[a+28>>2]=e;return}na();v()}function Ma(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;e=F[a+4>>2];if((e|0)!=F[a+8>>2]){F[e>>2]=F[b>>2];F[a+4>>2]=e+4;return}a:{g=F[a>>2];f=e-g|0;c=f>>2;d=c+1|0;if(d>>>0<1073741824){h=c<<2;c=f>>>1|0;c=f>>>0>=2147483644?1073741823:c>>>0>d>>>0?c:d;if(c){if(c>>>0>=1073741824){break a}f=ka(c<<2)}else{f=0}d=h+f|0;F[d>>2]=F[b>>2];b=d+4|0;if((e|0)!=(g|0)){while(1){d=d-4|0;e=e-4|0;F[d>>2]=F[e>>2];if((e|0)!=(g|0)){continue}break}}F[a+8>>2]=f+(c<<2);F[a+4>>2]=b;F[a>>2]=d;if(g){ja(g)}return}na();v()}oa();v()}function va(a){F[a>>2]=-1;F[a+4>>2]=0;F[a+8>>2]=0;F[a+32>>2]=0;F[a+36>>2]=0;D[a+28|0]=1;F[a+20>>2]=0;F[a+24>>2]=0;F[a+12>>2]=0;F[a+16>>2]=0;F[a+40>>2]=0;F[a+44>>2]=0;F[a+48>>2]=0;F[a+52>>2]=0;F[a+56>>2]=0;F[a+60>>2]=0;F[a+64>>2]=0;F[a+68>>2]=0;F[a+76>>2]=0;F[a+80>>2]=0;F[a+84>>2]=0;F[a+88>>2]=0;F[a+92>>2]=0;F[a+96>>2]=0;F[a+72>>2]=a+4;F[a+104>>2]=0;F[a+108>>2]=0;D[a+100|0]=1;F[a+112>>2]=0;F[a+116>>2]=0;F[a+120>>2]=0;F[a+124>>2]=0;F[a+128>>2]=0;F[a+132>>2]=0;F[a+136>>2]=0;F[a+140>>2]=0}function Hb(a,b){var c=0,d=0,e=0,f=0;d=F[a+12>>2];c=F[a+16>>2]-d>>2;a:{if(c>>>0>>0){qa(a+12|0,b-c|0);break a}if(b>>>0>=c>>>0){break a}F[a+16>>2]=d+(b<<2)}b:{c=F[a>>2];c:{if(F[a+8>>2]-c>>2>>>0>=b>>>0){break c}if(b>>>0>=1073741824){break b}d=F[a+4>>2];e=b<<2;b=ka(e);e=b+e|0;f=b+(d-c&-4)|0;b=f;if((c|0)!=(d|0)){while(1){b=b-4|0;d=d-4|0;F[b>>2]=F[d>>2];if((c|0)!=(d|0)){continue}break}}F[a+8>>2]=e;F[a+4>>2]=f;F[a>>2]=b;if(!c){break c}ja(c)}return}na();v()}function tb(a){a=a|0;var b=0,c=0,d=0;F[a>>2]=10300;b=F[a+68>>2];if(b){F[a+72>>2]=b;ja(b)}b=F[a+56>>2];if(b){F[a+60>>2]=b;ja(b)}b=F[a+44>>2];if(b){F[a+48>>2]=b;ja(b)}b=F[a+32>>2];if(b){F[a+36>>2]=b;ja(b)}b=F[a+20>>2];if(b){F[a+24>>2]=b;ja(b)}b=F[a+8>>2];if(b){d=b;c=F[a+12>>2];if((b|0)!=(c|0)){while(1){c=c-4|0;d=F[c>>2];F[c>>2]=0;if(d){xa(d)}if((b|0)!=(c|0)){continue}break}d=F[a+8>>2]}F[a+12>>2]=b;ja(d)}b=F[a+4>>2];F[a+4>>2]=0;if(b){ic(b)}return a|0}function qa(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;e=F[a+8>>2];c=F[a+4>>2];if(e-c>>2>>>0>=b>>>0){if(b){b=b<<2;c=ma(c,0,b)+b|0}F[a+4>>2]=c;return}a:{f=c;c=F[a>>2];g=f-c|0;h=g>>2;d=h+b|0;if(d>>>0<1073741824){e=e-c|0;f=e>>>1|0;d=e>>>0>=2147483644?1073741823:d>>>0>>0?f:d;if(d){if(d>>>0>=1073741824){break a}i=ka(d<<2)}b=b<<2;e=ma((h<<2)+i|0,0,b);f=d<<2;d=pa(i,c,g);F[a+8>>2]=f+d;F[a+4>>2]=b+e;F[a>>2]=d;if(c){ja(c)}return}na();v()}oa();v()}function gc(a,b){var c=0,d=0,e=0,f=0;c=a+4|0;a=Ya(a,b);a:{if((c|0)==(a|0)){break a}b=a+28|0;b=D[a+39|0]<0?F[b>>2]:b;while(1){a=b;b=a+1|0;c=D[a|0];if((c|0)==32|c-9>>>0<5){continue}break}b:{c:{d:{c=D[a|0];switch(c-43|0){case 0:break c;case 2:break d;default:break b}}e=1}c=D[b|0];a=b}if(c-48>>>0<10){while(1){d=(L(d,10)-D[a|0]|0)+48|0;b=D[a+1|0];a=a+1|0;if(b-48>>>0<10){continue}break}}a=e?d:0-d|0;if((a|0)==-1){break a}f=(a|0)!=0}return f}function Qa(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;a=F[a>>2];c=F[a+4>>2];e=F[a+8>>2];if(c>>>0>>0){F[c>>2]=F[b>>2];F[a+4>>2]=c+4;return}a:{d=c;c=F[a>>2];g=d-c|0;d=g>>2;f=d+1|0;if(f>>>0<1073741824){h=d<<2;e=e-c|0;d=e>>>1|0;f=e>>>0>=2147483644?1073741823:f>>>0>>0?d:f;if(f){if(f>>>0>=1073741824){break a}e=ka(f<<2)}else{e=0}d=h+e|0;F[d>>2]=F[b>>2];b=pa(e,c,g);F[a+8>>2]=b+(f<<2);F[a+4>>2]=d+4;F[a>>2]=b;if(c){ja(c)}return}na();v()}oa();v()}function db(a,b,c){var d=0,e=0,f=0,g=0,h=0;f=Z-16|0;Z=f;d=Z-32|0;Z=d;e=Z-16|0;Z=e;F[e+12>>2]=b;F[e+8>>2]=b+c;F[d+24>>2]=F[e+12>>2];F[d+28>>2]=F[e+8>>2];Z=e+16|0;c=Z-16|0;Z=c;h=F[d+28>>2];e=F[d+24>>2];g=h-e|0;if((e|0)!=(h|0)){pa(a,e,g)}F[c+12>>2]=e+g;F[c+8>>2]=a+g;F[d+16>>2]=F[c+12>>2];F[d+20>>2]=F[c+8>>2];Z=c+16|0;F[d+12>>2]=(F[d+16>>2]-b|0)+b;F[d+8>>2]=(F[d+20>>2]-a|0)+a;F[f+8>>2]=F[d+12>>2];F[f+12>>2]=F[d+8>>2];Z=d+32|0;Z=f+16|0}function _a(a,b){var c=0,d=0,e=0,f=0,g=0,h=0,i=0;e=F[a+8>>2];c=F[a+4>>2];if(e-c>>3>>>0>=b>>>0){if(b){b=b<<3;c=ma(c,0,b)+b|0}F[a+4>>2]=c;return}a:{f=c;c=F[a>>2];g=f-c|0;h=g>>3;d=h+b|0;if(d>>>0<536870912){e=e-c|0;f=e>>>2|0;d=e>>>0>=2147483640?536870911:d>>>0>>0?f:d;if(d){if(d>>>0>=536870912){break a}i=ka(d<<3)}b=b<<3;e=ma((h<<3)+i|0,0,b);f=d<<3;d=pa(i,c,g);F[a+8>>2]=f+d;F[a+4>>2]=b+e;F[a>>2]=d;if(c){ja(c)}return}na();v()}oa();v()}function re(a){a=a|0;var b=0,c=0,d=0;F[a>>2]=2016;b=F[a+60>>2];F[a+60>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}b=F[a+48>>2];if(b){F[a+52>>2]=b;ja(b)}d=F[a+36>>2];if(d){c=F[a+40>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=F[c>>2];F[c>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=F[a+36>>2]}F[a+40>>2]=d;ja(b)}F[a>>2]=1776;b=F[a+16>>2];if(b){F[a+20>>2]=b;ja(b)}b=F[a+4>>2];if(b){F[a+8>>2]=b;ja(b)}return a|0}function qe(a){a=a|0;var b=0,c=0,d=0;F[a>>2]=2016;b=F[a+60>>2];F[a+60>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}b=F[a+48>>2];if(b){F[a+52>>2]=b;ja(b)}d=F[a+36>>2];if(d){c=F[a+40>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=F[c>>2];F[c>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=F[a+36>>2]}F[a+40>>2]=d;ja(b)}F[a>>2]=1776;b=F[a+16>>2];if(b){F[a+20>>2]=b;ja(b)}b=F[a+4>>2];if(b){F[a+8>>2]=b;ja(b)}ja(a)}function Eg(a){a=a|0;var b=0,c=0,d=0,e=0,f=0;a:{b=F[a+8>>2];b:{if((b|0)<0){break b}c=F[a+4>>2];e=F[c>>2];d=F[c+4>>2]-e>>2;c:{if(d>>>0>>0){nd(c,b-d|0);f=F[a+8>>2];break c}f=b;if(b>>>0>=d>>>0){break c}F[c+4>>2]=e+(b<<2);f=b}d=f;if((d|0)<=0){break b}a=F[a+4>>2];c=F[a>>2];e=F[a+4>>2]-c>>2;a=0;while(1){if((a|0)==(e|0)){break a}F[c+(a<<2)>>2]=a;a=a+1|0;if((d|0)!=(a|0)){continue}break}}return(b^-1)>>>31|0}ta();v()}function fh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;d=Z-16|0;Z=d;e=F[a+4>>2];a:{if((e|0)==-1){break a}c=F[b+20>>2];if(!!F[b+16>>2]&(c|0)>=0|(c|0)>0){break a}pb(b,F[b+4>>2],F[a+8>>2],F[a+12>>2]);c=F[b+20>>2];if(!!F[b+16>>2]&(c|0)>=0|(c|0)>0){break a}pb(b,F[b+4>>2],a+20|0,a+24|0);c=F[b+20>>2];f=F[b+16>>2];D[d+15|0]=F[a+4>>2];if(!!f&(c|0)>=0|(c|0)>0){break a}pb(b,F[b+4>>2],d+15|0,d+16|0)}Z=d+16|0;return(e|0)!=-1|0}function kd(a,b){var c=0,d=0,e=0,f=0,g=0,h=0;e=F[a+8>>2];c=F[a+4>>2];if(e-c>>1>>>0>=b>>>0){if(b){b=b<<1;c=ma(c,0,b)+b|0}F[a+4>>2]=c;return}a:{f=c;c=F[a>>2];g=f-c|0;f=g>>1;d=f+b|0;if((d|0)>=0){e=e-c|0;d=e>>>0>=2147483646?2147483647:d>>>0>>0?e:d;if(d){if((d|0)<0){break a}h=ka(d<<1)}b=b<<1;e=ma((f<<1)+h|0,0,b);f=d<<1;d=pa(h,c,g);F[a+8>>2]=f+d;F[a+4>>2]=b+e;F[a>>2]=d;if(c){ja(c)}return}na();v()}oa();v()}function of(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0;d=Z-16|0;Z=d;Pd(d,a,b,c);F[a+24>>2]=F[d>>2];e=a+24|0;a:{if((e|0)==(d|0)){break a}b=a+28|0;c=d|4;f=G[d+15|0];g=f<<24>>24;if(D[a+39|0]>=0){if((g|0)>=0){a=F[c+4>>2];F[b>>2]=F[c>>2];F[b+4>>2]=a;F[b+8>>2]=F[c+8>>2];break a}qb(b,F[d+4>>2],F[d+8>>2]);break a}a=(g|0)<0;rb(b,a?F[d+4>>2]:c,a?F[d+8>>2]:f)}if(D[d+15|0]<0){ja(F[d+4>>2])}Z=d+16|0;return e|0}function ra(a,b,c){var d=0,e=0,f=0,g=0;e=Z-16|0;Z=e;a:{b:{if(c>>>0<11){d=a;D[a+11|0]=G[a+11|0]&128|c;D[a+11|0]=G[a+11|0]&127;break b}if(c>>>0>2147483631){break a}g=e+8|0;if(c>>>0>=11){f=c+16&-16;d=f-1|0;d=(d|0)==11?f:d}else{d=10}sb(g,d+1|0);d=F[e+8>>2];F[a>>2]=d;F[a+8>>2]=F[a+8>>2]&-2147483648|F[e+12>>2]&2147483647;F[a+8>>2]=F[a+8>>2]|-2147483648;F[a+4>>2]=c}db(d,b,c+1|0);Z=e+16|0;return}za();v()}function pf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0;b=Z-16|0;Z=b;Od(b);F[a+24>>2]=F[b>>2];e=a+24|0;a:{if((e|0)==(b|0)){break a}c=a+28|0;d=b|4;f=G[b+15|0];g=f<<24>>24;if(D[a+39|0]>=0){if((g|0)>=0){a=F[d+4>>2];F[c>>2]=F[d>>2];F[c+4>>2]=a;F[c+8>>2]=F[d+8>>2];break a}qb(c,F[b+4>>2],F[b+8>>2]);break a}a=(g|0)<0;rb(c,a?F[b+4>>2]:d,a?F[b+8>>2]:f)}if(D[b+15|0]<0){ja(F[b+4>>2])}Z=b+16|0;return e|0}function Rf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0;d=Z-16|0;Z=d;a:{e=ya(c);if(e>>>0<2147483632){b:{c:{if(e>>>0>=11){g=(e|15)+1|0;f=ka(g);F[d+8>>2]=g|-2147483648;F[d>>2]=f;F[d+4>>2]=e;g=e+f|0;break c}D[d+11|0]=e;g=d+e|0;f=d;if(!e){break b}}la(f,c,e)}D[g|0]=0;f=a+16|0;c=Sc(b,d,f);b=F[a+16>>2];a=D[a+27|0];if(D[d+11|0]<0){ja(F[d>>2])}Z=d+16|0;a=c?(a|0)<0?b:f:0;break a}za();v()}return a|0}function Yb(a,b){var c=0,d=0,e=0;c=F[a+4>>2];d=c+b|0;F[a+4>>2]=d;if(!((d-1^c-1)>>>0<32?c:0)){F[F[a>>2]+((d>>>0>=33?d-1>>>5|0:0)<<2)>>2]=0}a:{if(!b){break a}a=F[a>>2]+(c>>>3&536870908)|0;c=c&31;if(c){d=32-c|0;e=b>>>0>d>>>0?d:b;F[a>>2]=F[a>>2]&(-1<>>d-e^-1);b=b-e|0;a=a+4|0}c=b>>>5|0;if(b>>>0>=32){ma(a,0,c<<2)}if((b&-32)==(b|0)){break a}a=(c<<2)+a|0;F[a>>2]=F[a>>2]&(-1>>>32-(b&31)^-1)}}function ld(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>10){break a}d=F[c+20>>2];f=F[c+12>>2];e=F[c+16>>2];if((d|0)>=(f|0)&e>>>0>=I[c+8>>2]|(d|0)>(f|0)){break a}f=D[e+F[c>>2]|0];e=e+1|0;d=e?d:d+1|0;F[c+16>>2]=e;F[c+20>>2]=d;d=f;b:{if((d|0)<0){if(!ld(a+1|0,b,c)){break a}a=F[b>>2];d=d&127|a<<7;a=F[b+4>>2]<<7|a>>>25;break b}d=d&255;a=0}F[b>>2]=d;F[b+4>>2]=a;g=1}return g}function Sa(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>10){break a}d=F[c+20>>2];f=F[c+12>>2];e=F[c+16>>2];if((d|0)>=(f|0)&e>>>0>=I[c+8>>2]|(d|0)>(f|0)){break a}f=D[e+F[c>>2]|0];e=e+1|0;d=e?d:d+1|0;F[c+16>>2]=e;F[c+20>>2]=d;d=f;b:{if((d|0)<0){if(!Sa(a+1|0,b,c)){break a}a=F[b>>2];d=d&127|a<<7;a=F[b+4>>2]<<7|a>>>25;break b}d=d&255;a=0}F[b>>2]=d;F[b+4>>2]=a;g=1}return g}function Ne(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;if(La(a,F[b+8>>2],e)){if(!(F[b+28>>2]==1|F[b+4>>2]!=(c|0))){F[b+28>>2]=d}return}a:{if(!La(a,F[b>>2],e)){break a}if(!(F[b+16>>2]!=(c|0)&F[b+20>>2]!=(c|0))){if((d|0)!=1){break a}F[b+32>>2]=1;return}F[b+20>>2]=c;F[b+32>>2]=d;F[b+40>>2]=F[b+40>>2]+1;if(!(F[b+36>>2]!=1|F[b+24>>2]!=2)){D[b+54|0]=1}F[b+44>>2]=4}}function jg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0;e=Z+-64|0;Z=e;d=$[F[F[a>>2]+44>>2]](a,b)|0;a=$[F[F[a>>2]+40>>2]](a,b)|0;f=kb(e);g=F[b+56>>2];h=d&255;i=a;a=a-1|0;if(a>>>0<=10){a=F[(a<<2)+10148>>2]}else{a=-1}d=L(a,d);cc(f,g,h,i,0,d,d>>31);a=bc(ka(96),f);ac(a,c);D[a+84|0]=1;F[a+72>>2]=F[a+68>>2];F[a+60>>2]=F[b+60>>2];Z=e- -64|0;return a|0}function rh(a){a=a|0;var b=0,c=0,d=0;F[a>>2]=8176;b=F[a+48>>2];F[a+48>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}F[a>>2]=10032;b=F[a+20>>2];if(b){F[a+24>>2]=b;ja(b)}d=F[a+8>>2];if(d){c=F[a+12>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=F[c>>2];F[c>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=F[a+8>>2]}F[a+12>>2]=d;ja(b)}return a|0}function Dc(a,b,c,d){D[a+53|0]=1;a:{if(F[a+4>>2]!=(c|0)){break a}D[a+52|0]=1;c=F[a+16>>2];b:{if(!c){F[a+36>>2]=1;F[a+24>>2]=d;F[a+16>>2]=b;if((d|0)!=1){break a}if(F[a+48>>2]==1){break b}break a}if((b|0)==(c|0)){c=F[a+24>>2];if((c|0)==2){F[a+24>>2]=d;c=d}if(F[a+48>>2]!=1){break a}if((c|0)==1){break b}break a}F[a+36>>2]=F[a+36>>2]+1}D[a+54|0]=1}}function qh(a){a=a|0;var b=0,c=0,d=0;F[a>>2]=8176;b=F[a+48>>2];F[a+48>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}F[a>>2]=10032;b=F[a+20>>2];if(b){F[a+24>>2]=b;ja(b)}d=F[a+8>>2];if(d){c=F[a+12>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=F[c>>2];F[c>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=F[a+8>>2]}F[a+12>>2]=d;ja(b)}ja(a)}function Se(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;e=Z+-64|0;Z=e;d=1;a:{if(La(a,b,0)){break a}d=0;if(!b){break a}b=Fc(b,11068);d=0;if(!b){break a}d=e+8|0;ma(d|4,0,52);F[e+56>>2]=1;F[e+20>>2]=-1;F[e+16>>2]=a;F[e+8>>2]=b;$[F[F[b>>2]+28>>2]](b,d,F[c>>2],1);a=F[e+32>>2];if((a|0)==1){F[c>>2]=F[e+24>>2]}d=(a|0)==1}Z=e- -64|0;return d|0}function Fd(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=Z-16|0;Z=d;F[a+4>>2]=b;b=F[b+64>>2];e=F[b>>2];b=F[b+4>>2];D[d+15|0]=0;Ea(a+24|0,(b-e>>2>>>0)/3|0,d+15|0);b=F[a+4>>2];e=F[b+56>>2];b=F[b+52>>2];D[d+14|0]=0;Ea(a+36|0,e-b>>2,d+14|0);b=F[c+12>>2];F[a+16>>2]=F[c+8>>2];F[a+20>>2]=b;b=F[c+4>>2];F[a+8>>2]=F[c>>2];F[a+12>>2]=b;Z=d+16|0}function zf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0;a=Z-16|0;Z=a;f=D[b+24|0];e=F[2555];F[a+8>>2]=F[2554];F[a+12>>2]=e;e=F[2553];F[a>>2]=F[2552];F[a+4>>2]=e;e=lb(b,c,f,a);if(e){b=0;if(f){c=(f&255)<<2;b=ka(c);g=la(b,a,c)+c|0}c=F[d>>2];if(c){F[d+4>>2]=c;ja(c)}F[d+8>>2]=g;F[d+4>>2]=g;F[d>>2]=b}Z=a+16|0;return e|0}function wd(a,b){var c=0,d=0;a:{c=F[a+4>>2];d=F[a+8>>2];if((c|0)==d<<5){if((c+1|0)<0){break a}if(c>>>0<=1073741822){d=d<<6;c=(c&-32)+32|0;c=c>>>0>>0?d:c}else{c=2147483647}$a(a,c);c=F[a+4>>2]}F[a+4>>2]=c+1;d=1<>2]+(c>>>3&536870908)|0;if(G[b|0]){F[a>>2]=d|F[a>>2];return}F[a>>2]=F[a>>2]&(d^-1);return}na();v()}function Zb(a){var b=0;F[a>>2]=0;F[a+4>>2]=0;F[a+56>>2]=0;F[a+48>>2]=0;F[a+52>>2]=0;F[a+40>>2]=0;F[a+44>>2]=0;F[a+32>>2]=0;F[a+36>>2]=0;F[a+24>>2]=0;F[a+28>>2]=0;F[a+16>>2]=0;F[a+20>>2]=0;F[a+8>>2]=0;F[a+12>>2]=0;b=a- -64|0;F[b>>2]=0;F[b+4>>2]=0;F[a+72>>2]=0;F[a+76>>2]=0;F[a+80>>2]=0;F[a+84>>2]=0;F[a+60>>2]=a;return a}function ve(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;f=$[F[F[a>>2]+24>>2]](a)|0;c=1;a:{if((f|0)<=0){break a}d=F[F[a+36>>2]>>2];g=a+48|0;c=0;if(!($[F[F[d>>2]+16>>2]](d,g,b)|0)){break a}while(1){e=e+1|0;if((f|0)!=(e|0)){d=F[F[a+36>>2]+(e<<2)>>2];if($[F[F[d>>2]+16>>2]](d,g,b)|0){continue}}break}c=(e|0)>=(f|0)}return c|0}function ue(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;f=$[F[F[a>>2]+24>>2]](a)|0;c=1;a:{if((f|0)<=0){break a}d=F[F[a+36>>2]>>2];g=a+48|0;c=0;if(!($[F[F[d>>2]+20>>2]](d,g,b)|0)){break a}while(1){e=e+1|0;if((f|0)!=(e|0)){d=F[F[a+36>>2]+(e<<2)>>2];if($[F[F[d>>2]+20>>2]](d,g,b)|0){continue}}break}c=(e|0)>=(f|0)}return c|0}function bh(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=Z-16|0;Z=d;F[a+4>>2]=b;e=F[b>>2];b=F[b+4>>2];D[d+15|0]=0;Ea(a+24|0,(b-e>>2>>>0)/3|0,d+15|0);b=F[a+4>>2];e=F[b+28>>2];b=F[b+24>>2];D[d+14|0]=0;Ea(a+36|0,e-b>>2,d+14|0);b=F[c+12>>2];F[a+16>>2]=F[c+8>>2];F[a+20>>2]=b;b=F[c+4>>2];F[a+8>>2]=F[c>>2];F[a+12>>2]=b;Z=d+16|0}function hb(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=F[c+20>>2];e=F[c+12>>2];f=F[c+16>>2];if((d|0)>=(e|0)&f>>>0>=I[c+8>>2]|(d|0)>(e|0)){break a}e=G[F[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!hb(a+1|0,b,c)){break a}e=d&127|F[b>>2]<<7}F[b>>2]=e;g=1}return g}function fb(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=F[c+20>>2];e=F[c+12>>2];f=F[c+16>>2];if((d|0)>=(e|0)&f>>>0>=I[c+8>>2]|(d|0)>(e|0)){break a}e=G[F[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!fb(a+1|0,b,c)){break a}e=d&127|F[b>>2]<<7}F[b>>2]=e;g=1}return g}function Wb(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=F[c+20>>2];e=F[c+12>>2];f=F[c+16>>2];if((d|0)>=(e|0)&f>>>0>=I[c+8>>2]|(d|0)>(e|0)){break a}e=G[F[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Wb(a+1|0,b,c)){break a}e=d&127|F[b>>2]<<7}F[b>>2]=e;g=1}return g}function Ta(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=F[c+20>>2];e=F[c+12>>2];f=F[c+16>>2];if((d|0)>=(e|0)&f>>>0>=I[c+8>>2]|(d|0)>(e|0)){break a}e=G[F[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Ta(a+1|0,b,c)){break a}e=d&127|F[b>>2]<<7}F[b>>2]=e;g=1}return g}function Qd(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=F[c+20>>2];e=F[c+12>>2];f=F[c+16>>2];if((d|0)>=(e|0)&f>>>0>=I[c+8>>2]|(d|0)>(e|0)){break a}e=G[F[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Qd(a+1|0,b,c)){break a}e=d&127|F[b>>2]<<7}F[b>>2]=e;g=1}return g}function Oa(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=F[c+20>>2];e=F[c+12>>2];f=F[c+16>>2];if((d|0)>=(e|0)&f>>>0>=I[c+8>>2]|(d|0)>(e|0)){break a}e=G[F[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Oa(a+1|0,b,c)){break a}e=d&127|F[b>>2]<<7}F[b>>2]=e;g=1}return g}function Da(a,b,c){var d=0,e=0,f=0,g=0;a:{if(a>>>0>5){break a}d=F[c+20>>2];e=F[c+12>>2];f=F[c+16>>2];if((d|0)>=(e|0)&f>>>0>=I[c+8>>2]|(d|0)>(e|0)){break a}e=G[F[c>>2]+f|0];f=f+1|0;d=f?d:d+1|0;F[c+16>>2]=f;F[c+20>>2]=d;d=e<<24>>24;if((d|0)<0){if(!Da(a+1|0,b,c)){break a}e=d&127|F[b>>2]<<7}F[b>>2]=e;g=1}return g}function sa(a,b,c){var d=0,e=0;a:{b:{if(c>>>0>=4){if((a|b)&3){break b}while(1){if(F[a>>2]!=F[b>>2]){break b}b=b+4|0;a=a+4|0;c=c-4|0;if(c>>>0>3){continue}break}}if(!c){break a}}while(1){d=G[a|0];e=G[b|0];if((d|0)==(e|0)){b=b+1|0;a=a+1|0;c=c-1|0;if(c){continue}break a}break}return d-e|0}return 0}function td(a){var b=0,c=0,d=0,e=0;d=F[a>>2];if(d){e=d;c=F[a+4>>2];if((d|0)!=(c|0)){while(1){e=c-144|0;b=F[e+132>>2];if(b){F[c-8>>2]=b;ja(b)}b=F[c-28>>2];if(b){F[c-24>>2]=b;ja(b)}b=F[c-40>>2];if(b){F[c-36>>2]=b;ja(b)}Gb(c-140|0);c=e;if((d|0)!=(c|0)){continue}break}e=F[a>>2]}F[a+4>>2]=d;ja(e)}}function Ef(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=F[b+4>>2];a:{if(!d){break a}b=F[F[F[b+8>>2]+(c<<2)>>2]+60>>2];if((b|0)<0){break a}a=F[d+24>>2];c=F[d+28>>2];if((a|0)==(c|0)){break a}b:{while(1){e=F[a>>2];if((b|0)==F[e+24>>2]){break b}a=a+4|0;if((c|0)!=(a|0)){continue}break}e=0}}return e|0}function ic(a){var b=0,c=0,d=0;if(a){d=F[a+24>>2];if(d){b=d;c=F[a+28>>2];if((b|0)!=(c|0)){while(1){c=c-4|0;b=F[c>>2];F[c>>2]=0;if(b){Ca(b+12|0,F[b+16>>2]);Ba(b,F[b+4>>2]);ja(b)}if((c|0)!=(d|0)){continue}break}b=F[a+24>>2]}F[a+28>>2]=d;ja(b)}Ca(a+12|0,F[a+16>>2]);Ba(a,F[a+4>>2]);ja(a)}}function $g(a){a=a|0;var b=0;F[a+8>>2]=9136;F[a>>2]=8924;b=F[a+96>>2];if(b){F[a+100>>2]=b;ja(b)}b=F[a+80>>2];if(b){F[a+84>>2]=b;ja(b)}b=F[a+68>>2];if(b){F[a+72>>2]=b;ja(b)}b=F[a+56>>2];if(b){F[a+60>>2]=b;ja(b)}F[a+8>>2]=9372;b=F[a+44>>2];if(b){ja(b)}b=F[a+32>>2];if(b){ja(b)}return a|0}function _g(a){a=a|0;var b=0;F[a+8>>2]=9136;F[a>>2]=8924;b=F[a+96>>2];if(b){F[a+100>>2]=b;ja(b)}b=F[a+80>>2];if(b){F[a+84>>2]=b;ja(b)}b=F[a+68>>2];if(b){F[a+72>>2]=b;ja(b)}b=F[a+56>>2];if(b){F[a+60>>2]=b;ja(b)}F[a+8>>2]=9372;b=F[a+44>>2];if(b){ja(b)}b=F[a+32>>2];if(b){ja(b)}ja(a)}function wh(a){a=a|0;var b=0,c=0,d=0;F[a>>2]=10032;b=F[a+20>>2];if(b){F[a+24>>2]=b;ja(b)}d=F[a+8>>2];if(d){c=F[a+12>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=F[c>>2];F[c>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=F[a+8>>2]}F[a+12>>2]=d;ja(b)}return a|0}function uc(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,f=0,g=0,h=0,i=0;h=F[c+8>>2];e=F[c+16>>2];g=F[c+12>>2];f=g;d=F[c+20>>2];if(h>>>0>e>>>0&(f|0)>=(d|0)|(d|0)<(f|0)){b=G[F[c>>2]+e|0];i=e+1|0;f=i?d:d+1|0;F[c+16>>2]=i;F[c+20>>2]=f;F[a+4>>2]=b}return e>>>0>>0&(d|0)<=(g|0)|(d|0)<(g|0)}function La(a,b,c){var d=0;if(!c){return F[a+4>>2]==F[b+4>>2]}if((a|0)==(b|0)){return 1}d=F[a+4>>2];a=G[d|0];c=F[b+4>>2];b=G[c|0];a:{if(!a|(b|0)!=(a|0)){break a}while(1){b=G[c+1|0];a=G[d+1|0];if(!a){break a}c=c+1|0;d=d+1|0;if((a|0)==(b|0)){continue}break}}return(a|0)==(b|0)}function Gg(a){a=a|0;var b=0,c=0,d=0;F[a>>2]=10032;b=F[a+20>>2];if(b){F[a+24>>2]=b;ja(b)}d=F[a+8>>2];if(d){c=F[a+12>>2];b=d;if((c|0)!=(b|0)){while(1){c=c-4|0;b=F[c>>2];F[c>>2]=0;if(b){$[F[F[b>>2]+4>>2]](b)}if((c|0)!=(d|0)){continue}break}b=F[a+8>>2]}F[a+12>>2]=d;ja(b)}ja(a)}function Gf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=F[b+12>>2];b=F[b+8>>2];a=0;a:{if((d|0)==(b|0)){break a}a=d-b>>2;d=a>>>0<=1?1:a;a=0;b:{while(1){e=F[b+(a<<2)>>2];if(F[e+60>>2]==(c|0)){break b}a=a+1|0;if((d|0)!=(a|0)){continue}break}a=0;break a}a=(a|0)!=-1?e:0}return a|0}function ah(a){a=a|0;var b=0;F[a>>2]=9136;b=F[a+88>>2];if(b){F[a+92>>2]=b;ja(b)}b=F[a+72>>2];if(b){F[a+76>>2]=b;ja(b)}b=F[a+60>>2];if(b){F[a- -64>>2]=b;ja(b)}b=F[a+48>>2];if(b){F[a+52>>2]=b;ja(b)}F[a>>2]=9372;b=F[a+36>>2];if(b){ja(b)}b=F[a+24>>2];if(b){ja(b)}return a|0}function Tc(a,b){var c=0,d=0,e=0;F[a+8>>2]=0;F[a>>2]=0;F[a+4>>2]=0;a:{c=F[b+4>>2];d=F[b>>2];b:{if((c|0)==(d|0)){a=c;break b}c=c-d|0;if((c|0)<0){break a}d=c;e=ka(c);c=ma(e,0,c);d=d+c|0;F[a+8>>2]=d;F[a+4>>2]=d;F[a>>2]=c;c=F[b>>2];a=F[b+4>>2]}la(e,c,a-c|0);return}na();v()}function Dd(a){var b=0,c=0,d=0,e=0;c=F[a+4>>2];d=F[a>>2];if((c|0)!=(d|0)){while(1){e=c-144|0;b=F[e+132>>2];if(b){F[c-8>>2]=b;ja(b)}b=F[c-28>>2];if(b){F[c-24>>2]=b;ja(b)}b=F[c-40>>2];if(b){F[c-36>>2]=b;ja(b)}Gb(c-140|0);c=e;if((d|0)!=(c|0)){continue}break}}F[a+4>>2]=d}function Xg(a){a=a|0;var b=0;F[a>>2]=9136;b=F[a+88>>2];if(b){F[a+92>>2]=b;ja(b)}b=F[a+72>>2];if(b){F[a+76>>2]=b;ja(b)}b=F[a+60>>2];if(b){F[a- -64>>2]=b;ja(b)}b=F[a+48>>2];if(b){F[a+52>>2]=b;ja(b)}F[a>>2]=9372;b=F[a+36>>2];if(b){ja(b)}b=F[a+24>>2];if(b){ja(b)}ja(a)}function Za(a){var b=0;if(a){b=F[a+76>>2];if(b){F[a+80>>2]=b;ja(b)}b=F[a- -64>>2];if(b){F[a+68>>2]=b;ja(b)}b=F[a+48>>2];if(b){F[a+52>>2]=b;ja(b)}b=F[a+24>>2];if(b){F[a+28>>2]=b;ja(b)}b=F[a+12>>2];if(b){F[a+16>>2]=b;ja(b)}b=F[a>>2];if(b){F[a+4>>2]=b;ja(b)}ja(a)}}function Gb(a){var b=0;b=F[a+84>>2];if(b){F[a+88>>2]=b;ja(b)}b=F[a+72>>2];if(b){F[a+76>>2]=b;ja(b)}b=F[a+52>>2];if(b){F[a+56>>2]=b;ja(b)}b=F[a+40>>2];if(b){F[a+44>>2]=b;ja(b)}b=F[a+28>>2];if(b){F[a+32>>2]=b;ja(b)}b=F[a+12>>2];if(b){ja(b)}a=F[a>>2];if(a){ja(a)}}function Lc(a,b,c){var d=0,e=0,f=0,g=0;f=Z-16|0;Z=f;d=Z-16|0;Z=d;b=b-a>>2;while(1){if(b){F[d+12>>2]=a;e=b>>>1|0;F[d+12>>2]=F[d+12>>2]+(e<<2);g=(e^-1)+b|0;b=e;e=I[F[d+12>>2]>>2]>2];b=e?g:b;a=e?F[d+12>>2]+4|0:a;continue}break}Z=d+16|0;Z=f+16|0;return a}function id(a,b){var c=0,d=0;d=ka(40);F[d>>2]=-1;c=d+8|0;F[c+16>>2]=0;F[c+20>>2]=0;F[c+8>>2]=0;F[c>>2]=0;F[c+4>>2]=0;F[c+24>>2]=0;F[c+28>>2]=0;$[F[F[a>>2]+16>>2]](a,d);a=F[b+88>>2];F[b+88>>2]=d;if(a){b=F[a+8>>2];if(b){F[a+12>>2]=b;ja(b)}ja(a)}return 1}function ya(a){var b=0,c=0,d=0;b=a;a:{if(b&3){while(1){if(!G[b|0]){break a}b=b+1|0;if(b&3){continue}break}}while(1){c=b;b=b+4|0;d=F[c>>2];if(!((d^-1)&d-16843009&-2139062144)){continue}break}while(1){b=c;c=b+1|0;if(G[b|0]){continue}break}}return b-a|0}function wa(a){var b=0,c=0,d=0,e=0,f=0;d=G[a+12|0];c=F[a+8>>2];a:{if(c>>>0>4095){break a}b=F[a+4>>2];if((b|0)<=0){break a}b=b-1|0;F[a+4>>2]=b;c=G[b+F[a>>2]|0]|c<<8}d=0-d&255;b=L(d,c>>>8|0);e=c&255;f=e>>>0>>0;F[a+8>>2]=f?b+e|0:c-(b+d|0)|0;return f}function yc(a,b){F[a+4>>2]=0;F[a+8>>2]=0;F[a>>2]=1776;F[a+12>>2]=0;F[a+16>>2]=0;F[a+20>>2]=0;F[a+24>>2]=0;F[a+28>>2]=0;F[a+32>>2]=0;F[a+36>>2]=0;F[a+40>>2]=0;F[a>>2]=2016;F[a+60>>2]=b;F[a+44>>2]=0;F[a+48>>2]=0;F[a+52>>2]=0;F[a+56>>2]=0;return a}function Eb(a,b){var c=0,d=0,e=0;c=ya(b);if(c>>>0<2147483632){a:{b:{if(c>>>0>=11){d=(c|15)+1|0;e=ka(d);F[a+8>>2]=d|-2147483648;F[a>>2]=e;F[a+4>>2]=c;d=c+e|0;break b}D[a+11|0]=c;d=a+c|0;e=a;if(!c){break a}}pa(e,b,c)}D[d|0]=0;return a}za();v()}function Of(a){a=a|0;var b=0,c=0,d=0;if(a){if(D[a+27|0]<0){ja(F[a+16>>2])}b=F[a>>2];if(b){c=b;d=F[a+4>>2];if((b|0)!=(d|0)){while(1){c=d-12|0;if(D[d-1|0]<0){ja(F[c>>2])}d=c;if((d|0)!=(b|0)){continue}break}c=F[a>>2]}F[a+4>>2]=b;ja(c)}ja(a)}}function xa(a){a=a|0;var b=0,c=0;if(a){b=F[a+88>>2];F[a+88>>2]=0;if(b){c=F[b+8>>2];if(c){F[b+12>>2]=c;ja(c)}ja(b)}b=F[a+68>>2];if(b){F[a+72>>2]=b;ja(b)}b=F[a+64>>2];F[a+64>>2]=0;if(b){c=F[b>>2];if(c){F[b+4>>2]=c;ja(c)}ja(b)}ja(a)}}function Ib(a,b){var 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a}e=a;a=G[a+11|0]&127;Gc(e,10,c-10|0,a,a,c,b)}Z=d+16|0}function Ec(a,b,c){var d=0;d=F[a+16>>2];if(!d){F[a+36>>2]=1;F[a+24>>2]=c;F[a+16>>2]=b;return}a:{if((b|0)==(d|0)){if(F[a+24>>2]!=2){break a}F[a+24>>2]=c;return}D[a+54|0]=1;F[a+24>>2]=2;F[a+36>>2]=F[a+36>>2]+1}}function vg(){var a=0;a=kb(ka(96));F[a+64>>2]=0;F[a+68>>2]=0;F[a+88>>2]=0;F[a+72>>2]=0;F[a+76>>2]=0;D[a+77|0]=0;D[a+78|0]=0;D[a+79|0]=0;D[a+80|0]=0;D[a+81|0]=0;D[a+82|0]=0;D[a+83|0]=0;D[a+84|0]=0;return a|0}function jh(a,b){a=a|0;b=b|0;var c=0,d=0;F[b>>2]=2;c=F[b+8>>2];d=F[b+12>>2]-c|0;if(d>>>0<=4294967291){Db(b+8|0,d+4|0);c=F[b+8>>2]}b=c+d|0;a=F[a+4>>2];D[b|0]=a;D[b+1|0]=a>>>8;D[b+2|0]=a>>>16;D[b+3|0]=a>>>24}function ge(a){a=a|0;var b=0;F[a>>2]=3016;b=F[a+96>>2];if(b){ja(b)}b=F[a+84>>2];if(b){ja(b)}b=F[a+72>>2];if(b){ja(b)}b=F[a+60>>2];if(b){ja(b)}F[a>>2]=2960;b=F[a+32>>2];if(b){F[a+36>>2]=b;ja(b)}return a|0}function ci(a){a=a|0;var b=0;F[a>>2]=4580;b=F[a+96>>2];if(b){ja(b)}b=F[a+84>>2];if(b){ja(b)}b=F[a+72>>2];if(b){ja(b)}b=F[a+60>>2];if(b){ja(b)}F[a>>2]=2960;b=F[a+32>>2];if(b){F[a+36>>2]=b;ja(b)}return a|0}function Cg(a){a=a|0;var b=0,c=0,d=0;b=F[a+8>>2];d=F[a+12>>2];if((b|0)==(d|0)){return 1}while(1){c=F[b>>2];c=$[F[F[c>>2]+16>>2]](c,F[a+32>>2])|0;if(c){b=b+4|0;if((d|0)!=(b|0)){continue}}break}return c|0}function Pc(a,b){var c=0,d=0;c=F[a+8>>2];a=F[a+12>>2];if((c|0)!=(a|0)){a=a-c>>2;d=a>>>0<=1?1:a;a=0;while(1){if(F[F[(a<<2)+c>>2]+60>>2]==(b|0)){return a}a=a+1|0;if((d|0)!=(a|0)){continue}break}}return-1}function fe(a){a=a|0;var b=0;F[a>>2]=3016;b=F[a+96>>2];if(b){ja(b)}b=F[a+84>>2];if(b){ja(b)}b=F[a+72>>2];if(b){ja(b)}b=F[a+60>>2];if(b){ja(b)}F[a>>2]=2960;b=F[a+32>>2];if(b){F[a+36>>2]=b;ja(b)}ja(a)}function bi(a){a=a|0;var b=0;F[a>>2]=4580;b=F[a+96>>2];if(b){ja(b)}b=F[a+84>>2];if(b){ja(b)}b=F[a+72>>2];if(b){ja(b)}b=F[a+60>>2];if(b){ja(b)}F[a>>2]=2960;b=F[a+32>>2];if(b){F[a+36>>2]=b;ja(b)}ja(a)}function Sc(a,b,c){var d=0,e=0;d=a+4|0;a=Ya(a,b);a:{if((d|0)==(a|0)){break a}b=F[a+32>>2];d=F[a+28>>2];if((b|0)==(d|0)){break a}Sb(c,b-d|0);c=Tb(c);b=F[a+28>>2];la(c,b,F[a+32>>2]-b|0);e=1}return e}function Kd(a){F[a+40>>2]=0;F[a+4>>2]=0;F[a+8>>2]=0;F[a>>2]=10032;F[a+12>>2]=0;F[a+16>>2]=0;F[a+20>>2]=0;F[a+24>>2]=0;F[a+28>>2]=0;F[a+32>>2]=0;E[a+36>>1]=0;F[a+44>>2]=0;F[a>>2]=8080;return a}function kb(a){F[a+8>>2]=0;F[a+12>>2]=0;F[a>>2]=0;F[a+40>>2]=0;F[a+44>>2]=0;F[a+28>>2]=9;D[a+24|0]=1;F[a+56>>2]=-1;F[a+60>>2]=0;F[a+16>>2]=0;F[a+20>>2]=0;F[a+48>>2]=0;F[a+52>>2]=0;return a}function pe(a,b){a=a|0;b=b|0;var c=0,d=0;d=F[a+16>>2];c=0;a:{if(F[a+20>>2]-d>>2<=(b|0)){break a}b=F[(b<<2)+d>>2];c=0;if((b|0)<0){break a}c=bb(F[F[a+36>>2]+(b<<2)>>2])}return c|0}function Nf(){var a=0,b=0;a=ka(40);F[a+4>>2]=0;F[a+8>>2]=0;F[a+24>>2]=0;F[a+28>>2]=0;b=a+16|0;F[b>>2]=0;F[b+4>>2]=0;F[a>>2]=a+4;F[a+12>>2]=b;F[a+32>>2]=0;F[a+36>>2]=0;return a|0}function Xe(a,b){a=a|0;b=b|0;var c=0,d=0;Nc(a,b);a:{if((b|0)<0){break 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fa(ga){ga=ga|0;var ba=aa()|0;var ca=ba+ga|0;if(ba=endIdx))++endPtr;if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx>10,56320|ch&1023)}}return str}function UTF8ToString(ptr,maxBytesToRead){return ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):""}function stringToUTF8Array(str,heap,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx}function lengthBytesUTF8(str){var len=0;for(var i=0;i=55296&&c<=57343){len+=4;++i}else{len+=3}}return len}var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b)}var INITIAL_MEMORY=Module["INITIAL_MEMORY"]||16777216;assert(INITIAL_MEMORY>=65536,"INITIAL_MEMORY should be larger than STACK_SIZE, was "+INITIAL_MEMORY+"! 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instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(wasmBinaryFile)&&!isFileURI(wasmBinaryFile)&&!ENVIRONMENT_IS_NODE&&typeof fetch=="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiationResult,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(receiveInstantiationResult)})})}else{return instantiateArrayBuffer(receiveInstantiationResult)}}if(Module["instantiateWasm"]){try{var exports=Module["instantiateWasm"](info,receiveInstance);return exports}catch(e){err("Module.instantiateWasm callback failed with error: "+e);readyPromiseReject(e)}}instantiateAsync().catch(readyPromiseReject);return{}}function ExitStatus(status){this.name="ExitStatus";this.message="Program terminated with exit("+status+")";this.status=status}function callRuntimeCallbacks(callbacks){while(callbacks.length>0){callbacks.shift()(Module)}}function intArrayToString(array){var ret=[];for(var i=0;i255){chr&=255}ret.push(String.fromCharCode(chr))}return ret.join("")}function ExceptionInfo(excPtr){this.excPtr=excPtr;this.ptr=excPtr-24;this.set_type=function(type){HEAPU32[this.ptr+4>>2]=type};this.get_type=function(){return HEAPU32[this.ptr+4>>2]};this.set_destructor=function(destructor){HEAPU32[this.ptr+8>>2]=destructor};this.get_destructor=function(){return HEAPU32[this.ptr+8>>2]};this.set_refcount=function(refcount){HEAP32[this.ptr>>2]=refcount};this.set_caught=function(caught){caught=caught?1:0;HEAP8[this.ptr+12>>0]=caught};this.get_caught=function(){return HEAP8[this.ptr+12>>0]!=0};this.set_rethrown=function(rethrown){rethrown=rethrown?1:0;HEAP8[this.ptr+13>>0]=rethrown};this.get_rethrown=function(){return HEAP8[this.ptr+13>>0]!=0};this.init=function(type,destructor){this.set_adjusted_ptr(0);this.set_type(type);this.set_destructor(destructor);this.set_refcount(0);this.set_caught(false);this.set_rethrown(false)};this.add_ref=function(){var value=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=value+1};this.release_ref=function(){var prev=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=prev-1;return prev===1};this.set_adjusted_ptr=function(adjustedPtr){HEAPU32[this.ptr+16>>2]=adjustedPtr};this.get_adjusted_ptr=function(){return HEAPU32[this.ptr+16>>2]};this.get_exception_ptr=function(){var isPointer=___cxa_is_pointer_type(this.get_type());if(isPointer){return HEAPU32[this.excPtr>>2]}var adjusted=this.get_adjusted_ptr();if(adjusted!==0)return adjusted;return this.excPtr}}var exceptionLast=0;var uncaughtExceptionCount=0;function ___cxa_throw(ptr,type,destructor){var info=new ExceptionInfo(ptr);info.init(type,destructor);exceptionLast=ptr;uncaughtExceptionCount++;throw ptr}function _abort(){abort("")}function _emscripten_memcpy_big(dest,src,num){HEAPU8.copyWithin(dest,src,src+num)}function getHeapMax(){return 2147483648}function emscripten_realloc_buffer(size){var b=wasmMemory.buffer;try{wasmMemory.grow(size-b.byteLength+65535>>>16);updateMemoryViews();return 1}catch(e){}}function _emscripten_resize_heap(requestedSize){var oldSize=HEAPU8.length;requestedSize=requestedSize>>>0;var maxHeapSize=getHeapMax();if(requestedSize>maxHeapSize){return false}let alignUp=(x,multiple)=>x+(multiple-x%multiple)%multiple;for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignUp(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=emscripten_realloc_buffer(newSize);if(replacement){return true}}return false}function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}var decodeBase64=typeof atob=="function"?atob:function(input){var keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";var output="";var chr1,chr2,chr3;var enc1,enc2,enc3,enc4;var i=0;input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");do{enc1=keyStr.indexOf(input.charAt(i++));enc2=keyStr.indexOf(input.charAt(i++));enc3=keyStr.indexOf(input.charAt(i++));enc4=keyStr.indexOf(input.charAt(i++));chr1=enc1<<2|enc2>>4;chr2=(enc2&15)<<4|enc3>>2;chr3=(enc3&3)<<6|enc4;output=output+String.fromCharCode(chr1);if(enc3!==64){output=output+String.fromCharCode(chr2)}if(enc4!==64){output=output+String.fromCharCode(chr3)}}while(i0){return}preRun();if(runDependencies>0){return}function 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true}Module["isVersionSupported"]=isVersionSupported;var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}Module["arguments"]=[];Module["thisProgram"]="./this.program";Module["quit"]=(function(status,toThrow){throw toThrow});Module["preRun"]=[];Module["postRun"]=[];var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=false;var ENVIRONMENT_IS_NODE=false;var ENVIRONMENT_IS_SHELL=false;if(Module["ENVIRONMENT"]){if(Module["ENVIRONMENT"]==="WEB"){ENVIRONMENT_IS_WEB=true}else if(Module["ENVIRONMENT"]==="WORKER"){ENVIRONMENT_IS_WORKER=true}else if(Module["ENVIRONMENT"]==="NODE"){ENVIRONMENT_IS_NODE=true}else if(Module["ENVIRONMENT"]==="SHELL"){ENVIRONMENT_IS_SHELL=true}else{throw new Error("Module['ENVIRONMENT'] value is not valid. must be one of: WEB|WORKER|NODE|SHELL.")}}else{ENVIRONMENT_IS_WEB=typeof window==="object";ENVIRONMENT_IS_WORKER=typeof importScripts==="function";ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof 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readBinary(url){try{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}catch(err){var data=tryParseAsDataURI(url);if(data){return data}throw err}}}Module["readAsync"]=function readAsync(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function xhr_onload(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}var data=tryParseAsDataURI(url);if(data){onload(data.buffer);return}onerror()};xhr.onerror=onerror;xhr.send(null)};Module["setWindowTitle"]=(function(title){document.title=title})}Module["print"]=typeof console!=="undefined"?console.log.bind(console):typeof print!=="undefined"?print:null;Module["printErr"]=typeof printErr!=="undefined"?printErr:typeof console!=="undefined"&&console.warn.bind(console)||Module["print"];Module.print=Module["print"];Module.printErr=Module["printErr"];for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=undefined;var STACK_ALIGN=16;function staticAlloc(size){assert(!staticSealed);var ret=STATICTOP;STATICTOP=STATICTOP+size+15&-16;return ret}function dynamicAlloc(size){assert(DYNAMICTOP_PTR);var ret=HEAP32[DYNAMICTOP_PTR>>2];var end=ret+size+15&-16;HEAP32[DYNAMICTOP_PTR>>2]=end;if(end>=TOTAL_MEMORY){var success=enlargeMemory();if(!success){HEAP32[DYNAMICTOP_PTR>>2]=ret;return 0}}return ret}function alignMemory(size,factor){if(!factor)factor=STACK_ALIGN;var ret=size=Math.ceil(size/factor)*factor;return ret}function getNativeTypeSize(type){switch(type){case"i1":case"i8":return 1;case"i16":return 2;case"i32":return 4;case"i64":return 8;case"float":return 4;case"double":return 8;default:{if(type[type.length-1]==="*"){return 4}else if(type[0]==="i"){var bits=parseInt(type.substr(1));assert(bits%8===0);return bits/8}else{return 0}}}}function warnOnce(text){if(!warnOnce.shown)warnOnce.shown={};if(!warnOnce.shown[text]){warnOnce.shown[text]=1;Module.printErr(text)}}var jsCallStartIndex=1;var functionPointers=new Array(0);var funcWrappers={};function dynCall(sig,ptr,args){if(args&&args.length){return Module["dynCall_"+sig].apply(null,[ptr].concat(args))}else{return Module["dynCall_"+sig].call(null,ptr)}}var GLOBAL_BASE=8;var ABORT=0;var EXITSTATUS=0;function assert(condition,text){if(!condition){abort("Assertion failed: "+text)}}function getCFunc(ident){var func=Module["_"+ident];assert(func,"Cannot call unknown function "+ident+", make sure it is exported");return func}var JSfuncs={"stackSave":(function(){stackSave()}),"stackRestore":(function(){stackRestore()}),"arrayToC":(function(arr){var ret=stackAlloc(arr.length);writeArrayToMemory(arr,ret);return ret}),"stringToC":(function(str){var ret=0;if(str!==null&&str!==undefined&&str!==0){var len=(str.length<<2)+1;ret=stackAlloc(len);stringToUTF8(str,ret,len)}return ret})};var toC={"string":JSfuncs["stringToC"],"array":JSfuncs["arrayToC"]};function ccall(ident,returnType,argTypes,args,opts){var func=getCFunc(ident);var cArgs=[];var stack=0;if(args){for(var i=0;i>0]=value;break;case"i8":HEAP8[ptr>>0]=value;break;case"i16":HEAP16[ptr>>1]=value;break;case"i32":HEAP32[ptr>>2]=value;break;case"i64":tempI64=[value>>>0,(tempDouble=value,+Math_abs(tempDouble)>=+1?tempDouble>+0?(Math_min(+Math_floor(tempDouble/+4294967296),+4294967295)|0)>>>0:~~+Math_ceil((tempDouble- +(~~tempDouble>>>0))/+4294967296)>>>0:0)],HEAP32[ptr>>2]=tempI64[0],HEAP32[ptr+4>>2]=tempI64[1];break;case"float":HEAPF32[ptr>>2]=value;break;case"double":HEAPF64[ptr>>3]=value;break;default:abort("invalid type for setValue: "+type)}}var ALLOC_STATIC=2;var ALLOC_NONE=4;function allocate(slab,types,allocator,ptr){var zeroinit,size;if(typeof slab==="number"){zeroinit=true;size=slab}else{zeroinit=false;size=slab.length}var singleType=typeof types==="string"?types:null;var ret;if(allocator==ALLOC_NONE){ret=ptr}else{ret=[typeof _malloc==="function"?_malloc:staticAlloc,stackAlloc,staticAlloc,dynamicAlloc][allocator===undefined?ALLOC_STATIC:allocator](Math.max(size,singleType?1:types.length))}if(zeroinit){var stop;ptr=ret;assert((ret&3)==0);stop=ret+(size&~3);for(;ptr>2]=0}stop=ret+size;while(ptr>0]=0}return ret}if(singleType==="i8"){if(slab.subarray||slab.slice){HEAPU8.set(slab,ret)}else{HEAPU8.set(new Uint8Array(slab),ret)}return ret}var i=0,type,typeSize,previousType;while(i>0];hasUtf|=t;if(t==0&&!length)break;i++;if(length&&i==length)break}if(!length)length=i;var ret="";if(hasUtf<128){var MAX_CHUNK=1024;var curr;while(length>0){curr=String.fromCharCode.apply(String,HEAPU8.subarray(ptr,ptr+Math.min(length,MAX_CHUNK)));ret=ret?ret+curr:curr;ptr+=MAX_CHUNK;length-=MAX_CHUNK}return ret}return UTF8ToString(ptr)}var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(u8Array,idx){var endPtr=idx;while(u8Array[endPtr])++endPtr;if(endPtr-idx>16&&u8Array.subarray&&UTF8Decoder){return UTF8Decoder.decode(u8Array.subarray(idx,endPtr))}else{var u0,u1,u2,u3,u4,u5;var str="";while(1){u0=u8Array[idx++];if(!u0)return str;if(!(u0&128)){str+=String.fromCharCode(u0);continue}u1=u8Array[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}u2=u8Array[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u3=u8Array[idx++]&63;if((u0&248)==240){u0=(u0&7)<<18|u1<<12|u2<<6|u3}else{u4=u8Array[idx++]&63;if((u0&252)==248){u0=(u0&3)<<24|u1<<18|u2<<12|u3<<6|u4}else{u5=u8Array[idx++]&63;u0=(u0&1)<<30|u1<<24|u2<<18|u3<<12|u4<<6|u5}}}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}}function UTF8ToString(ptr){return UTF8ArrayToString(HEAPU8,ptr)}function stringToUTF8Array(str,outU8Array,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127){if(outIdx>=endIdx)break;outU8Array[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;outU8Array[outIdx++]=192|u>>6;outU8Array[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;outU8Array[outIdx++]=224|u>>12;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else if(u<=2097151){if(outIdx+3>=endIdx)break;outU8Array[outIdx++]=240|u>>18;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else if(u<=67108863){if(outIdx+4>=endIdx)break;outU8Array[outIdx++]=248|u>>24;outU8Array[outIdx++]=128|u>>18&63;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else{if(outIdx+5>=endIdx)break;outU8Array[outIdx++]=252|u>>30;outU8Array[outIdx++]=128|u>>24&63;outU8Array[outIdx++]=128|u>>18&63;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}}outU8Array[outIdx]=0;return outIdx-startIdx}function stringToUTF8(str,outPtr,maxBytesToWrite){return stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite)}function lengthBytesUTF8(str){var len=0;for(var i=0;i=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127){++len}else if(u<=2047){len+=2}else if(u<=65535){len+=3}else if(u<=2097151){len+=4}else if(u<=67108863){len+=5}else{len+=6}}return len}var UTF16Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf-16le"):undefined;function demangle(func){return func}function demangleAll(text){var regex=/__Z[\w\d_]+/g;return text.replace(regex,(function(x){var y=demangle(x);return x===y?x:x+" ["+y+"]"}))}function jsStackTrace(){var err=new Error;if(!err.stack){try{throw new Error(0)}catch(e){err=e}if(!err.stack){return"(no stack trace available)"}}return err.stack.toString()}var WASM_PAGE_SIZE=65536;var ASMJS_PAGE_SIZE=16777216;var MIN_TOTAL_MEMORY=16777216;function alignUp(x,multiple){if(x%multiple>0){x+=multiple-x%multiple}return x}var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateGlobalBuffer(buf){Module["buffer"]=buffer=buf}function updateGlobalBufferViews(){Module["HEAP8"]=HEAP8=new Int8Array(buffer);Module["HEAP16"]=HEAP16=new Int16Array(buffer);Module["HEAP32"]=HEAP32=new Int32Array(buffer);Module["HEAPU8"]=HEAPU8=new Uint8Array(buffer);Module["HEAPU16"]=HEAPU16=new Uint16Array(buffer);Module["HEAPU32"]=HEAPU32=new Uint32Array(buffer);Module["HEAPF32"]=HEAPF32=new Float32Array(buffer);Module["HEAPF64"]=HEAPF64=new Float64Array(buffer)}var STATIC_BASE,STATICTOP,staticSealed;var STACK_BASE,STACKTOP,STACK_MAX;var DYNAMIC_BASE,DYNAMICTOP_PTR;STATIC_BASE=STATICTOP=STACK_BASE=STACKTOP=STACK_MAX=DYNAMIC_BASE=DYNAMICTOP_PTR=0;staticSealed=false;function abortOnCannotGrowMemory(){abort("Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value "+TOTAL_MEMORY+", (2) compile with -s ALLOW_MEMORY_GROWTH=1 which allows increasing the size at runtime but prevents some optimizations, (3) set Module.TOTAL_MEMORY to a higher value before the program runs, or (4) if you want malloc to return NULL (0) instead of this abort, compile with -s ABORTING_MALLOC=0 ")}if(!Module["reallocBuffer"])Module["reallocBuffer"]=(function(size){var ret;try{if(ArrayBuffer.transfer){ret=ArrayBuffer.transfer(buffer,size)}else{var oldHEAP8=HEAP8;ret=new ArrayBuffer(size);var temp=new Int8Array(ret);temp.set(oldHEAP8)}}catch(e){return false}var success=_emscripten_replace_memory(ret);if(!success)return false;return ret});function enlargeMemory(){var PAGE_MULTIPLE=Module["usingWasm"]?WASM_PAGE_SIZE:ASMJS_PAGE_SIZE;var LIMIT=2147483648-PAGE_MULTIPLE;if(HEAP32[DYNAMICTOP_PTR>>2]>LIMIT){return false}var OLD_TOTAL_MEMORY=TOTAL_MEMORY;TOTAL_MEMORY=Math.max(TOTAL_MEMORY,MIN_TOTAL_MEMORY);while(TOTAL_MEMORY>2]){if(TOTAL_MEMORY<=536870912){TOTAL_MEMORY=alignUp(2*TOTAL_MEMORY,PAGE_MULTIPLE)}else{TOTAL_MEMORY=Math.min(alignUp((3*TOTAL_MEMORY+2147483648)/4,PAGE_MULTIPLE),LIMIT)}}var replacement=Module["reallocBuffer"](TOTAL_MEMORY);if(!replacement||replacement.byteLength!=TOTAL_MEMORY){TOTAL_MEMORY=OLD_TOTAL_MEMORY;return false}updateGlobalBuffer(replacement);updateGlobalBufferViews();return true}var byteLength;try{byteLength=Function.prototype.call.bind(Object.getOwnPropertyDescriptor(ArrayBuffer.prototype,"byteLength").get);byteLength(new ArrayBuffer(4))}catch(e){byteLength=(function(buffer){return buffer.byteLength})}var TOTAL_STACK=Module["TOTAL_STACK"]||5242880;var TOTAL_MEMORY=Module["TOTAL_MEMORY"]||16777216;if(TOTAL_MEMORY0){var callback=callbacks.shift();if(typeof callback=="function"){callback();continue}var func=callback.func;if(typeof func==="number"){if(callback.arg===undefined){Module["dynCall_v"](func)}else{Module["dynCall_vi"](func,callback.arg)}}else{func(callback.arg===undefined?null:callback.arg)}}}var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATEXIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;var runtimeExited=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function ensureInitRuntime(){if(runtimeInitialized)return;runtimeInitialized=true;callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function exitRuntime(){callRuntimeCallbacks(__ATEXIT__);runtimeExited=true}function postRun(){if(Module["postRun"]){if(typeof 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tempDoublePtr=STATICTOP;STATICTOP+=16;function ___cxa_allocate_exception(size){return _malloc(size)}function __ZSt18uncaught_exceptionv(){return!!__ZSt18uncaught_exceptionv.uncaught_exception}var EXCEPTIONS={last:0,caught:[],infos:{},deAdjust:(function(adjusted){if(!adjusted||EXCEPTIONS.infos[adjusted])return adjusted;for(var ptr in EXCEPTIONS.infos){var info=EXCEPTIONS.infos[ptr];if(info.adjusted===adjusted){return ptr}}return adjusted}),addRef:(function(ptr){if(!ptr)return;var info=EXCEPTIONS.infos[ptr];info.refcount++}),decRef:(function(ptr){if(!ptr)return;var info=EXCEPTIONS.infos[ptr];assert(info.refcount>0);info.refcount--;if(info.refcount===0&&!info.rethrown){if(info.destructor){Module["dynCall_vi"](info.destructor,ptr)}delete EXCEPTIONS.infos[ptr];___cxa_free_exception(ptr)}}),clearRef:(function(ptr){if(!ptr)return;var info=EXCEPTIONS.infos[ptr];info.refcount=0})};function ___cxa_begin_catch(ptr){var info=EXCEPTIONS.infos[ptr];if(info&&!info.caught){info.caught=true;__ZSt18uncaught_exceptionv.uncaught_exception--}if(info)info.rethrown=false;EXCEPTIONS.caught.push(ptr);EXCEPTIONS.addRef(EXCEPTIONS.deAdjust(ptr));return ptr}function ___cxa_pure_virtual(){ABORT=true;throw"Pure virtual function called!"}function ___resumeException(ptr){if(!EXCEPTIONS.last){EXCEPTIONS.last=ptr}throw ptr+" - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch."}function ___cxa_find_matching_catch(){var thrown=EXCEPTIONS.last;if(!thrown){return(setTempRet0(0),0)|0}var info=EXCEPTIONS.infos[thrown];var throwntype=info.type;if(!throwntype){return(setTempRet0(0),thrown)|0}var typeArray=Array.prototype.slice.call(arguments);var pointer=Module["___cxa_is_pointer_type"](throwntype);if(!___cxa_find_matching_catch.buffer)___cxa_find_matching_catch.buffer=_malloc(4);HEAP32[___cxa_find_matching_catch.buffer>>2]=thrown;thrown=___cxa_find_matching_catch.buffer;for(var i=0;i>2];info.adjusted=thrown;return(setTempRet0(typeArray[i]),thrown)|0}}thrown=HEAP32[thrown>>2];return(setTempRet0(throwntype),thrown)|0}function ___cxa_throw(ptr,type,destructor){EXCEPTIONS.infos[ptr]={ptr:ptr,adjusted:ptr,type:type,destructor:destructor,refcount:0,caught:false,rethrown:false};EXCEPTIONS.last=ptr;if(!("uncaught_exception"in __ZSt18uncaught_exceptionv)){__ZSt18uncaught_exceptionv.uncaught_exception=1}else{__ZSt18uncaught_exceptionv.uncaught_exception++}throw ptr+" - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch."}var cttz_i8=allocate([8,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,7,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0],"i8",ALLOC_STATIC);function ___gxx_personality_v0(){}var SYSCALLS={varargs:0,get:(function(varargs){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret}),getStr:(function(){var ret=Pointer_stringify(SYSCALLS.get());return ret}),get64:(function(){var low=SYSCALLS.get(),high=SYSCALLS.get();if(low>=0)assert(high===0);else assert(high===-1);return low}),getZero:(function(){assert(SYSCALLS.get()===0)})};function ___syscall140(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),offset_high=SYSCALLS.get(),offset_low=SYSCALLS.get(),result=SYSCALLS.get(),whence=SYSCALLS.get();var offset=offset_low;FS.llseek(stream,offset,whence);HEAP32[result>>2]=stream.position;if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function flush_NO_FILESYSTEM(){var fflush=Module["_fflush"];if(fflush)fflush(0);var printChar=___syscall146.printChar;if(!printChar)return;var buffers=___syscall146.buffers;if(buffers[1].length)printChar(1,10);if(buffers[2].length)printChar(2,10)}function ___syscall146(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.get(),iov=SYSCALLS.get(),iovcnt=SYSCALLS.get();var ret=0;if(!___syscall146.buffers){___syscall146.buffers=[null,[],[]];___syscall146.printChar=(function(stream,curr){var buffer=___syscall146.buffers[stream];assert(buffer);if(curr===0||curr===10){(stream===1?Module["print"]:Module["printErr"])(UTF8ArrayToString(buffer,0));buffer.length=0}else{buffer.push(curr)}})}for(var i=0;i>2];var len=HEAP32[iov+(i*8+4)>>2];for(var j=0;j>2]=PTHREAD_SPECIFIC_NEXT_KEY;PTHREAD_SPECIFIC[PTHREAD_SPECIFIC_NEXT_KEY]=0;PTHREAD_SPECIFIC_NEXT_KEY++;return 0}function _pthread_once(ptr,func){if(!_pthread_once.seen)_pthread_once.seen={};if(ptr in _pthread_once.seen)return;Module["dynCall_v"](func);_pthread_once.seen[ptr]=1}function _pthread_setspecific(key,value){if(!(key in PTHREAD_SPECIFIC)){return ERRNO_CODES.EINVAL}PTHREAD_SPECIFIC[key]=value;return 0}function ___setErrNo(value){if(Module["___errno_location"])HEAP32[Module["___errno_location"]()>>2]=value;return value}DYNAMICTOP_PTR=staticAlloc(4);STACK_BASE=STACKTOP=alignMemory(STATICTOP);STACK_MAX=STACK_BASE+TOTAL_STACK;DYNAMIC_BASE=alignMemory(STACK_MAX);HEAP32[DYNAMICTOP_PTR>>2]=DYNAMIC_BASE;staticSealed=true;var ASSERTIONS=false;function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}function intArrayToString(array){var ret=[];for(var i=0;i255){if(ASSERTIONS){assert(false,"Character code "+chr+" ("+String.fromCharCode(chr)+") at offset "+i+" not in 0x00-0xFF.")}chr&=255}ret.push(String.fromCharCode(chr))}return ret.join("")}var decodeBase64=typeof atob==="function"?atob:(function(input){var keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";var output="";var chr1,chr2,chr3;var enc1,enc2,enc3,enc4;var i=0;input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");do{enc1=keyStr.indexOf(input.charAt(i++));enc2=keyStr.indexOf(input.charAt(i++));enc3=keyStr.indexOf(input.charAt(i++));enc4=keyStr.indexOf(input.charAt(i++));chr1=enc1<<2|enc2>>4;chr2=(enc2&15)<<4|enc3>>2;chr3=(enc3&3)<<6|enc4;output=output+String.fromCharCode(chr1);if(enc3!==64){output=output+String.fromCharCode(chr2)}if(enc4!==64){output=output+String.fromCharCode(chr3)}}while(i2147483648)return false;b=new a(newBuffer);d=new c(newBuffer);f=new e(newBuffer);h=new g(newBuffer);j=new i(newBuffer);l=new k(newBuffer);n=new m(newBuffer);p=new o(newBuffer);buffer=newBuffer;return true} +// EMSCRIPTEN_START_FUNCS +function be(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;h=u;u=u+16|0;i=h+4|0;j=h;f[a+72>>2]=e;f[a+64>>2]=g;g=Lq(e>>>0>1073741823?-1:e<<2)|0;k=a+68|0;l=f[k>>2]|0;f[k>>2]=g;if(l|0)Mq(l);l=a+8|0;Mh(l,b,d,e);d=a+56|0;g=f[d>>2]|0;m=f[g+4>>2]|0;n=f[g>>2]|0;o=m-n|0;if((o|0)<=0){u=h;return 1}p=(o>>>2)+-1|0;o=a+16|0;q=a+32|0;r=a+12|0;s=a+28|0;t=a+20|0;v=a+24|0;if(m-n>>2>>>0>p>>>0){w=p;x=n}else{y=g;aq(y)}while(1){f[j>>2]=f[x+(w<<2)>>2];f[i>>2]=f[j>>2];Cc(a,i,b,w);g=X(w,e)|0;n=b+(g<<2)|0;p=c+(g<<2)|0;g=f[l>>2]|0;if((g|0)>0){m=0;z=f[k>>2]|0;A=g;while(1){if((A|0)>0){g=0;do{B=f[z+(g<<2)>>2]|0;C=f[o>>2]|0;if((B|0)>(C|0)){D=f[q>>2]|0;f[D+(g<<2)>>2]=C;E=D}else{D=f[r>>2]|0;C=f[q>>2]|0;f[C+(g<<2)>>2]=(B|0)<(D|0)?D:B;E=C}g=g+1|0}while((g|0)<(f[l>>2]|0));F=E}else F=f[q>>2]|0;g=(f[n+(m<<2)>>2]|0)-(f[F+(m<<2)>>2]|0)|0;C=p+(m<<2)|0;f[C>>2]=g;if((g|0)>=(f[s>>2]|0)){if((g|0)>(f[v>>2]|0)){G=g-(f[t>>2]|0)|0;H=21}}else{G=(f[t>>2]|0)+g|0;H=21}if((H|0)==21){H=0;f[C>>2]=G}m=m+1|0;A=f[l>>2]|0;if((m|0)>=(A|0))break;else z=F}}w=w+-1|0;if((w|0)<=-1){H=5;break}z=f[d>>2]|0;x=f[z>>2]|0;if((f[z+4>>2]|0)-x>>2>>>0<=w>>>0){y=z;H=6;break}}if((H|0)==5){u=h;return 1}else if((H|0)==6)aq(y);return 0}function ce(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;Uc(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Mf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function de(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;Vc(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Mf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function ee(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;Wc(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Mf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function fe(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;Xc(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Mf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function ge(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;Yc(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=4194304;if(d){d=c;c=4194304;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<20)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Mf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function he(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;Zc(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=2097152;if(d){d=c;c=2097152;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<19)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Nf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function ie(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;_c(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=1048576;if(d){d=c;c=1048576;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<18)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Of(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function je(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=Oa,t=Oa,u=Oa,v=0,w=0,x=0,y=0,z=0;c=f[b>>2]|0;b=a+4|0;d=f[b>>2]|0;e=(d|0)==0;a:do if(!e){g=d+-1|0;h=(g&d|0)==0;if(!h)if(c>>>0>>0)i=c;else i=(c>>>0)%(d>>>0)|0;else i=g&c;j=f[(f[a>>2]|0)+(i<<2)>>2]|0;if(!j)k=i;else{if(h){h=j;while(1){l=f[h>>2]|0;if(!l){k=i;break a}m=f[l+4>>2]|0;if(!((m|0)==(c|0)|(m&g|0)==(i|0))){k=i;break a}if((f[l+8>>2]|0)==(c|0)){o=l;break}else h=l}p=o+12|0;return p|0}else q=j;while(1){h=f[q>>2]|0;if(!h){k=i;break a}g=f[h+4>>2]|0;if((g|0)!=(c|0)){if(g>>>0>>0)r=g;else r=(g>>>0)%(d>>>0)|0;if((r|0)!=(i|0)){k=i;break a}}if((f[h+8>>2]|0)==(c|0)){o=h;break}else q=h}p=o+12|0;return p|0}}else k=0;while(0);q=ln(16)|0;f[q+8>>2]=c;f[q+12>>2]=0;f[q+4>>2]=c;f[q>>2]=0;i=a+12|0;s=$(((f[i>>2]|0)+1|0)>>>0);t=$(d>>>0);u=$(n[a+16>>2]);do if(e|$(u*t)>>0<3|(d+-1&d|0)!=0)&1;j=~~$(W($(s/u)))>>>0;Hi(a,r>>>0>>0?j:r);r=f[b>>2]|0;j=r+-1|0;if(!(j&r)){v=r;w=j&c;break}if(c>>>0>>0){v=r;w=c}else{v=r;w=(c>>>0)%(r>>>0)|0}}else{v=d;w=k}while(0);k=(f[a>>2]|0)+(w<<2)|0;w=f[k>>2]|0;if(!w){d=a+8|0;f[q>>2]=f[d>>2];f[d>>2]=q;f[k>>2]=d;d=f[q>>2]|0;if(d|0){k=f[d+4>>2]|0;d=v+-1|0;if(d&v)if(k>>>0>>0)x=k;else x=(k>>>0)%(v>>>0)|0;else x=k&d;y=(f[a>>2]|0)+(x<<2)|0;z=30}}else{f[q>>2]=f[w>>2];y=w;z=30}if((z|0)==30)f[y>>2]=q;f[i>>2]=(f[i>>2]|0)+1;o=q;p=o+12|0;return p|0}function ke(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;$c(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=262144;if(d){d=c;c=262144;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<16)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Rf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function le(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;ad(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=131072;if(d){d=c;c=131072;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<15)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Sf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function me(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;bd(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=32768;if(d){d=c;c=32768;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<13)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}Uf(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function ne(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;cd(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}_f(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function oe(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;dd(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}_f(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function pe(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;ed(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}_f(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function qe(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;fd(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}_f(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function re(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;gd(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}_f(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function se(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;hd(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}_f(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function te(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;id(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}_f(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function ue(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;g=u;u=u+64|0;h=g+48|0;i=g;j=d+1|0;f[h>>2]=0;k=h+4|0;f[k>>2]=0;f[h+8>>2]=0;do if(j)if(j>>>0>536870911)aq(h);else{l=ln(j<<3)|0;f[h>>2]=l;m=l+(j<<3)|0;f[h+8>>2]=m;sj(l|0,0,(d<<3)+8|0)|0;f[k>>2]=m;n=l;o=m;break}else{n=0;o=0}while(0);d=(c|0)>0;if(d){j=0;do{m=n+(f[a+(j<<2)>>2]<<3)|0;l=m;p=Vn(f[l>>2]|0,f[l+4>>2]|0,1,0)|0;l=m;f[l>>2]=p;f[l+4>>2]=I;j=j+1|0}while((j|0)!=(c|0))}j=i+40|0;l=j;f[l>>2]=0;f[l+4>>2]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;f[i+16>>2]=0;f[i+20>>2]=0;jd(i,n,o-n>>3,e)|0;n=i+16|0;o=Tn(f[n>>2]|0,f[n+4>>2]|0,1)|0;n=(f[e+4>>2]|0)-(f[e>>2]|0)|0;l=j;f[l>>2]=n;f[l+4>>2]=0;l=Vn(o|0,I|0,39,0)|0;o=Yn(l|0,I|0,3)|0;l=Vn(o|0,I|0,8,0)|0;o=Vn(l|0,I|0,n|0,0)|0;Cl(e,o,I);o=i+24|0;f[o>>2]=(f[e>>2]|0)+(f[j>>2]|0);j=i+28|0;f[j>>2]=0;n=i+32|0;f[n>>2]=16384;if(d){d=c;c=16384;do{l=d;d=d+-1|0;p=f[a+(d<<2)>>2]|0;m=f[i>>2]|0;q=f[m+(p<<3)>>2]|0;r=q<<10;if(c>>>0>>0)s=c;else{t=c;while(1){v=f[o>>2]|0;w=f[j>>2]|0;f[j>>2]=w+1;b[v+w>>0]=t;w=(f[n>>2]|0)>>>8;f[n>>2]=w;if(w>>>0>>0){s=w;break}else t=w}}c=(((s>>>0)/(q>>>0)|0)<<12)+((s>>>0)%(q>>>0)|0)+(f[m+(p<<3)+4>>2]|0)|0;f[n>>2]=c}while((l|0)>1)}_f(i,e);e=f[i>>2]|0;if(e|0){c=i+4|0;i=f[c>>2]|0;if((i|0)!=(e|0))f[c>>2]=i+(~((i+-8-e|0)>>>3)<<3);Oq(e)}e=f[h>>2]|0;if(!e){u=g;return 1}h=f[k>>2]|0;if((h|0)!=(e|0))f[k>>2]=h+(~((h+-8-e|0)>>>3)<<3);Oq(e);u=g;return 1}function ve(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0;c=u;u=u+16|0;d=c+4|0;e=c;f[a+64>>2]=b;g=a+128|0;f[g>>2]=2;h=a+132|0;f[h>>2]=7;i=Qa[f[(f[b>>2]|0)+32>>2]&127](b)|0;b=a+88|0;f[b>>2]=i;j=a+104|0;k=(f[i+28>>2]|0)-(f[i+24>>2]|0)>>2;i=a+108|0;l=f[i>>2]|0;m=f[j>>2]|0;n=l-m>>2;o=m;p=l;if(k>>>0<=n>>>0)if(k>>>0>>0?(q=o+(k<<2)|0,(q|0)!=(p|0)):0){o=p+(~((p+-4-q|0)>>>2)<<2)|0;f[i>>2]=o;r=o;s=m}else{r=l;s=m}else{Ci(j,k-n|0);r=f[i>>2]|0;s=f[j>>2]|0}if((r|0)!=(s|0)){s=0;do{r=f[b>>2]|0;f[e>>2]=s;f[d>>2]=f[e>>2];n=hh(r,d)|0;r=f[j>>2]|0;f[r+(s<<2)>>2]=n;s=s+1|0}while(s>>>0<(f[i>>2]|0)-r>>2>>>0)}i=a+92|0;s=f[b>>2]|0;j=f[s>>2]|0;d=(f[s+4>>2]|0)-j>>2;e=a+96|0;r=f[e>>2]|0;n=f[i>>2]|0;k=r-n>>2;m=n;n=r;if(d>>>0<=k>>>0)if(d>>>0>>0?(r=m+(d<<2)|0,(r|0)!=(n|0)):0){f[e>>2]=n+(~((n+-4-r|0)>>>2)<<2);t=s;v=j}else{t=s;v=j}else{Ci(i,d-k|0);k=f[b>>2]|0;t=k;v=f[k>>2]|0}k=f[t+4>>2]|0;if((k|0)!=(v|0)){v=f[i>>2]|0;i=f[t>>2]|0;t=k-i>>2;k=0;do{f[v+(k<<2)>>2]=f[i+(k<<2)>>2];k=k+1|0}while(k>>>0>>0)}t=(f[h>>2]|0)-(f[g>>2]|0)+1|0;g=a+136|0;h=a+140|0;a=f[h>>2]|0;k=f[g>>2]|0;i=(a-k|0)/12|0;v=a;if(t>>>0>i>>>0){Kf(g,t-i|0);u=c;return 1}if(t>>>0>=i>>>0){u=c;return 1}i=k+(t*12|0)|0;if((i|0)==(v|0)){u=c;return 1}else w=v;while(1){v=w+-12|0;f[h>>2]=v;t=f[v>>2]|0;if(!t)x=v;else{v=w+-8|0;k=f[v>>2]|0;if((k|0)!=(t|0))f[v>>2]=k+(~((k+-4-t|0)>>>2)<<2);Oq(t);x=f[h>>2]|0}if((x|0)==(i|0))break;else w=x}u=c;return 1}function we(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0;e=f[b>>2]|0;g=f[b+4>>2]|0;h=((f[c>>2]|0)-e<<3)+(f[c+4>>2]|0)-g|0;c=e;if((h|0)<=0){i=d+4|0;j=f[d>>2]|0;f[a>>2]=j;k=a+4|0;l=f[i>>2]|0;f[k>>2]=l;return}if(!g){e=d+4|0;m=h;n=e;o=f[e>>2]|0;p=c}else{e=32-g|0;q=(h|0)<(e|0)?h:e;r=-1>>>(e-q|0)&-1<>2];e=d+4|0;s=f[e>>2]|0;t=32-s|0;u=t>>>0>>0?t:q;v=f[d>>2]|0;w=f[v>>2]&~(-1>>>(t-u|0)&-1<>2]=w;s=f[e>>2]|0;f[v>>2]=(s>>>0>g>>>0?r<>>(g-s|0))|w;w=(f[e>>2]|0)+u|0;s=v+(w>>>5<<2)|0;f[d>>2]=s;v=w&31;f[e>>2]=v;w=q-u|0;if((w|0)>0){f[s>>2]=f[s>>2]&~(-1>>>(32-w|0))|r>>>(g+u|0);f[e>>2]=w;x=w}else x=v;v=c+4|0;f[b>>2]=v;m=h-q|0;n=e;o=x;p=v}v=32-o|0;x=-1<31){o=~x;e=f[d>>2]|0;q=~m;h=m+((q|0)>-64?q:-64)+32|0;q=(h>>>5)+1|0;c=m+-32-(h&-32)|0;h=m;w=p;u=f[e>>2]|0;g=e;while(1){r=f[w>>2]|0;s=u&o;f[g>>2]=s;f[g>>2]=s|r<>2];g=g+4|0;u=f[g>>2]&x|r>>>v;f[g>>2]=u;if((h|0)<=63)break;else{h=h+-32|0;w=w+4|0}}w=p+(q<<2)|0;f[b>>2]=w;f[d>>2]=e+(q<<2);y=c;z=w}else{y=m;z=p}if((y|0)<=0){i=n;j=f[d>>2]|0;f[a>>2]=j;k=a+4|0;l=f[i>>2]|0;f[k>>2]=l;return}p=f[z>>2]&-1>>>(32-y|0);z=(v|0)<(y|0)?v:y;m=f[d>>2]|0;w=f[m>>2]&~(-1<>2]&-1>>>(v-z|0));f[m>>2]=w;f[m>>2]=w|p<>2];w=(f[n>>2]|0)+z|0;v=m+(w>>>5<<2)|0;f[d>>2]=v;f[n>>2]=w&31;w=y-z|0;if((w|0)<=0){i=n;j=f[d>>2]|0;f[a>>2]=j;k=a+4|0;l=f[i>>2]|0;f[k>>2]=l;return}f[v>>2]=f[v>>2]&~(-1>>>(32-w|0))|p>>>z;f[n>>2]=w;i=n;j=f[d>>2]|0;f[a>>2]=j;k=a+4|0;l=f[i>>2]|0;f[k>>2]=l;return}function xe(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;e=f[b>>2]|0;g=b+4|0;h=f[g>>2]|0;i=((f[c>>2]|0)-e<<3)+(f[c+4>>2]|0)-h|0;c=e;if((i|0)<=0){j=d+4|0;k=f[d>>2]|0;f[a>>2]=k;l=a+4|0;m=f[j>>2]|0;f[l>>2]=m;return}if(!h){e=d+4|0;n=i;o=e;p=c;q=f[e>>2]|0}else{e=32-h|0;r=(i|0)<(e|0)?i:e;s=-1>>>(e-r|0)&-1<>2];c=d+4|0;h=f[c>>2]|0;e=32-h|0;t=e>>>0>>0?e:r;u=f[d>>2]|0;v=f[u>>2]&~(-1>>>(e-t|0)&-1<>2]=v;h=f[c>>2]|0;e=f[g>>2]|0;f[u>>2]=(h>>>0>e>>>0?s<>>(e-h|0))|v;v=(f[c>>2]|0)+t|0;h=u+(v>>>5<<2)|0;f[d>>2]=h;u=v&31;f[c>>2]=u;v=r-t|0;if((v|0)>0){e=f[h>>2]&~(-1>>>(32-v|0));f[h>>2]=e;f[h>>2]=e|s>>>((f[g>>2]|0)+t|0);f[c>>2]=v;w=v}else w=u;u=(f[b>>2]|0)+4|0;f[b>>2]=u;n=i-r|0;o=c;p=u;q=w}w=32-q|0;u=-1<31){q=~u;c=~n;r=n+((c|0)>-64?c:-64)+32&-32;c=n;i=p;while(1){v=f[i>>2]|0;t=f[d>>2]|0;g=f[t>>2]&q;f[t>>2]=g;f[t>>2]=g|v<>2];g=t+4|0;f[d>>2]=g;f[g>>2]=f[g>>2]&u|v>>>w;i=(f[b>>2]|0)+4|0;f[b>>2]=i;if((c|0)<=63)break;else c=c+-32|0}x=n+-32-r|0;y=i}else{x=n;y=p}if((x|0)<=0){j=o;k=f[d>>2]|0;f[a>>2]=k;l=a+4|0;m=f[j>>2]|0;f[l>>2]=m;return}p=f[y>>2]&-1>>>(32-x|0);y=(w|0)<(x|0)?w:x;n=f[d>>2]|0;i=f[n>>2]&~(-1<>2]&-1>>>(w-y|0));f[n>>2]=i;f[n>>2]=i|p<>2];i=(f[o>>2]|0)+y|0;w=n+(i>>>5<<2)|0;f[d>>2]=w;f[o>>2]=i&31;i=x-y|0;if((i|0)<=0){j=o;k=f[d>>2]|0;f[a>>2]=k;l=a+4|0;m=f[j>>2]|0;f[l>>2]=m;return}f[w>>2]=f[w>>2]&~(-1>>>(32-i|0))|p>>>y;f[o>>2]=i;j=o;k=f[d>>2]|0;f[a>>2]=k;l=a+4|0;m=f[j>>2]|0;f[l>>2]=m;return}function ye(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+9|0;i=d+8|0;j=f[(f[a+184>>2]|0)+(c<<2)>>2]&255;b[h>>0]=j;c=a+4|0;k=f[(f[c>>2]|0)+44>>2]|0;l=k+16|0;m=f[l+4>>2]|0;if((m|0)>0|(m|0)==0&(f[l>>2]|0)>>>0>0)n=j;else{f[g>>2]=f[k+4>>2];f[e>>2]=f[g>>2];Me(k,e,h,h+1|0)|0;n=b[h>>0]|0}a:do if(n<<24>>24>-1){k=a+172|0;j=f[(f[k>>2]|0)+((n<<24>>24)*136|0)>>2]|0;l=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+52|0;m=b[h>>0]|0;o=f[k>>2]|0;k=f[o+(m*136|0)+132>>2]|0;switch(f[(f[(f[l>>2]|0)+84>>2]|0)+(j<<2)>>2]|0){case 0:{p=k;q=7;break a;break}case 1:{if(b[o+(m*136|0)+28>>0]|0){p=k;q=7;break a}break}default:{}}m=f[(f[c>>2]|0)+44>>2]|0;b[i>>0]=1;o=m+16|0;j=f[o+4>>2]|0;if(!((j|0)>0|(j|0)==0&(f[o>>2]|0)>>>0>0)){f[g>>2]=f[m+4>>2];f[e>>2]=f[g>>2];Me(m,e,i,i+1|0)|0}r=k}else{p=f[a+68>>2]|0;q=7}while(0);if((q|0)==7){q=f[(f[c>>2]|0)+44>>2]|0;b[i>>0]=0;a=q+16|0;h=f[a+4>>2]|0;if(!((h|0)>0|(h|0)==0&(f[a>>2]|0)>>>0>0)){f[g>>2]=f[q+4>>2];f[e>>2]=f[g>>2];Me(q,e,i,i+1|0)|0}r=p}p=f[(f[c>>2]|0)+44>>2]|0;b[i>>0]=r;r=p+16|0;c=f[r+4>>2]|0;if((c|0)>0|(c|0)==0&(f[r>>2]|0)>>>0>0){u=d;return 1}f[g>>2]=f[p+4>>2];f[e>>2]=f[g>>2];Me(p,e,i,i+1|0)|0;u=d;return 1}function ze(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;h=u;u=u+16|0;i=h+4|0;j=h;k=a+60|0;f[a+64>>2]=g;g=a+8|0;Mh(g,b,d,e);d=a+56|0;l=f[d>>2]|0;m=f[l+4>>2]|0;n=f[l>>2]|0;o=m-n|0;if((o|0)<=0){u=h;return 1}p=(o>>>2)+-1|0;o=a+68|0;q=a+16|0;r=a+32|0;s=a+12|0;t=a+28|0;v=a+20|0;w=a+24|0;if(m-n>>2>>>0>p>>>0){x=p;y=n}else{z=l;aq(z)}while(1){f[j>>2]=f[y+(x<<2)>>2];f[i>>2]=f[j>>2];ub(k,i,b,x);l=X(x,e)|0;n=b+(l<<2)|0;p=c+(l<<2)|0;l=f[g>>2]|0;if((l|0)>0){m=0;a=o;A=l;while(1){if((A|0)>0){l=0;do{B=f[a+(l<<2)>>2]|0;C=f[q>>2]|0;if((B|0)>(C|0)){D=f[r>>2]|0;f[D+(l<<2)>>2]=C;E=D}else{D=f[s>>2]|0;C=f[r>>2]|0;f[C+(l<<2)>>2]=(B|0)<(D|0)?D:B;E=C}l=l+1|0}while((l|0)<(f[g>>2]|0));F=E}else F=f[r>>2]|0;l=(f[n+(m<<2)>>2]|0)-(f[F+(m<<2)>>2]|0)|0;C=p+(m<<2)|0;f[C>>2]=l;if((l|0)>=(f[t>>2]|0)){if((l|0)>(f[w>>2]|0)){G=l-(f[v>>2]|0)|0;H=18}}else{G=(f[v>>2]|0)+l|0;H=18}if((H|0)==18){H=0;f[C>>2]=G}m=m+1|0;A=f[g>>2]|0;if((m|0)>=(A|0))break;else a=F}}x=x+-1|0;if((x|0)<=-1){H=3;break}a=f[d>>2]|0;y=f[a>>2]|0;if((f[a+4>>2]|0)-y>>2>>>0<=x>>>0){z=a;H=4;break}}if((H|0)==3){u=h;return 1}else if((H|0)==4)aq(z);return 0}function Ae(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;h=u;u=u+16|0;i=h+4|0;j=h;k=a+60|0;f[a+64>>2]=g;g=a+8|0;Mh(g,b,d,e);d=a+56|0;l=f[d>>2]|0;m=f[l+4>>2]|0;n=f[l>>2]|0;o=m-n|0;if((o|0)<=0){u=h;return 1}p=(o>>>2)+-1|0;o=a+68|0;q=a+16|0;r=a+32|0;s=a+12|0;t=a+28|0;v=a+20|0;w=a+24|0;if(m-n>>2>>>0>p>>>0){x=p;y=n}else{z=l;aq(z)}while(1){f[j>>2]=f[y+(x<<2)>>2];f[i>>2]=f[j>>2];tb(k,i,b,x);l=X(x,e)|0;n=b+(l<<2)|0;p=c+(l<<2)|0;l=f[g>>2]|0;if((l|0)>0){m=0;a=o;A=l;while(1){if((A|0)>0){l=0;do{B=f[a+(l<<2)>>2]|0;C=f[q>>2]|0;if((B|0)>(C|0)){D=f[r>>2]|0;f[D+(l<<2)>>2]=C;E=D}else{D=f[s>>2]|0;C=f[r>>2]|0;f[C+(l<<2)>>2]=(B|0)<(D|0)?D:B;E=C}l=l+1|0}while((l|0)<(f[g>>2]|0));F=E}else F=f[r>>2]|0;l=(f[n+(m<<2)>>2]|0)-(f[F+(m<<2)>>2]|0)|0;C=p+(m<<2)|0;f[C>>2]=l;if((l|0)>=(f[t>>2]|0)){if((l|0)>(f[w>>2]|0)){G=l-(f[v>>2]|0)|0;H=18}}else{G=(f[v>>2]|0)+l|0;H=18}if((H|0)==18){H=0;f[C>>2]=G}m=m+1|0;A=f[g>>2]|0;if((m|0)>=(A|0))break;else a=F}}x=x+-1|0;if((x|0)<=-1){H=3;break}a=f[d>>2]|0;y=f[a>>2]|0;if((f[a+4>>2]|0)-y>>2>>>0<=x>>>0){z=a;H=4;break}}if((H|0)==3){u=h;return 1}else if((H|0)==4)aq(z);return 0}function Be(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;b=u;u=u+16|0;c=b+4|0;d=b;e=a+12|0;g=f[e>>2]|0;h=(f[g+4>>2]|0)-(f[g>>2]|0)>>2;if(!h){u=b;return 1}i=a+152|0;j=a+140|0;k=a+144|0;l=a+148|0;a=0;m=g;while(1){f[d>>2]=(a>>>0)/3|0;f[c>>2]=f[d>>2];if(!(_j(m,c)|0)?(g=f[e>>2]|0,(f[(f[g+12>>2]|0)+(a<<2)>>2]|0)==-1):0){n=a+1|0;o=((n>>>0)%3|0|0)==0?a+-2|0:n;if((o|0)==-1)p=-1;else p=f[(f[g>>2]|0)+(o<<2)>>2]|0;o=f[i>>2]|0;if((f[o+(p<<2)>>2]|0)==-1){g=f[k>>2]|0;n=f[l>>2]|0;if((g|0)==(n<<5|0)){if((g+1|0)<0){q=11;break}r=n<<6;n=g+32&-32;vi(j,g>>>0<1073741823?(r>>>0>>0?n:r):2147483647);s=f[k>>2]|0;t=f[i>>2]|0}else{s=g;t=o}f[k>>2]=s+1;o=(f[j>>2]|0)+(s>>>5<<2)|0;f[o>>2]=f[o>>2]&~(1<<(s&31));o=t+(p<<2)|0;if((f[o>>2]|0)==-1){r=a;n=o;while(1){f[n>>2]=g;o=r+1|0;a:do if((r|0)!=-1?(v=((o>>>0)%3|0|0)==0?r+-2|0:o,(v|0)!=-1):0){w=f[e>>2]|0;x=f[w+12>>2]|0;y=v;while(1){v=f[x+(y<<2)>>2]|0;if((v|0)==-1)break;z=v+1|0;A=((z>>>0)%3|0|0)==0?v+-2|0:z;if((A|0)==-1){B=-1;C=-1;break a}else y=A}x=y+1|0;A=((x>>>0)%3|0|0)==0?y+-2|0:x;if((A|0)==-1){B=y;C=-1}else{B=y;C=f[(f[w>>2]|0)+(A<<2)>>2]|0}}else{B=-1;C=-1}while(0);n=t+(C<<2)|0;if((f[n>>2]|0)!=-1)break;else r=B}}}}r=a+1|0;if(r>>>0>=h>>>0){q=3;break}a=r;m=f[e>>2]|0}if((q|0)==3){u=b;return 1}else if((q|0)==11)aq(j);return 0}function Ce(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;d=u;u=u+32|0;e=d+8|0;g=d;h=a+4|0;i=f[h>>2]|0;if(i>>>0>=b>>>0){f[h>>2]=b;u=d;return}j=a+8|0;k=f[j>>2]|0;l=k<<5;m=b-i|0;if(l>>>0>>0|i>>>0>(l-m|0)>>>0){f[e>>2]=0;n=e+4|0;f[n>>2]=0;o=e+8|0;f[o>>2]=0;if((b|0)<0)aq(a);p=k<<6;k=b+31&-32;vi(e,l>>>0<1073741823?(p>>>0>>0?k:p):2147483647);p=f[h>>2]|0;f[n>>2]=p+m;k=f[a>>2]|0;l=k;q=f[e>>2]|0;r=(l+(p>>>5<<2)-k<<3)+(p&31)|0;if((r|0)>0){p=r>>>5;im(q|0,k|0,p<<2|0)|0;k=r&31;r=q+(p<<2)|0;s=r;if(!k){t=0;v=s}else{w=-1>>>(32-k|0);f[r>>2]=f[r>>2]&~w|f[l+(p<<2)>>2]&w;t=k;v=s}}else{t=0;v=q}f[g>>2]=v;f[g+4>>2]=t;t=g;g=f[t>>2]|0;v=f[t+4>>2]|0;t=f[a>>2]|0;f[a>>2]=f[e>>2];f[e>>2]=t;e=f[h>>2]|0;f[h>>2]=f[n>>2];f[n>>2]=e;e=f[j>>2]|0;f[j>>2]=f[o>>2];f[o>>2]=e;if(t|0)Oq(t);x=g;y=v}else{v=(f[a>>2]|0)+(i>>>5<<2)|0;f[h>>2]=b;x=v;y=i&31}if(!m){u=d;return}i=(y|0)==0;v=x;if(c){if(i){z=m;A=x;B=v}else{c=32-y|0;b=c>>>0>m>>>0?m:c;f[v>>2]=f[v>>2]|-1>>>(c-b|0)&-1<>>5;sj(A|0,-1,c<<2|0)|0;A=z&31;z=B+(c<<2)|0;if(!A){u=d;return}f[z>>2]=f[z>>2]|-1>>>(32-A|0);u=d;return}else{if(i){C=m;D=x;E=v}else{x=32-y|0;i=x>>>0>m>>>0?m:x;f[v>>2]=f[v>>2]&~(-1>>>(x-i|0)&-1<>>5;sj(D|0,0,y<<2|0)|0;D=C&31;C=E+(y<<2)|0;if(!D){u=d;return}f[C>>2]=f[C>>2]&~(-1>>>(32-D|0));u=d;return}}function De(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0;a=u;u=u+48|0;g=a+36|0;h=a+24|0;i=a+12|0;j=a;if(!c){k=0;u=a;return k|0}f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;l=Gj(d)|0;if(l>>>0>4294967279)aq(g);if(l>>>0<11){b[g+11>>0]=l;if(!l)m=g;else{n=g;o=7}}else{p=l+16&-16;q=ln(p)|0;f[g>>2]=q;f[g+8>>2]=p|-2147483648;f[g+4>>2]=l;n=q;o=7}if((o|0)==7){kh(n|0,d|0,l|0)|0;m=n}b[m+l>>0]=0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;l=Gj(e)|0;if(l>>>0>4294967279)aq(h);if(l>>>0<11){b[h+11>>0]=l;if(!l)r=h;else{s=h;o=13}}else{m=l+16&-16;n=ln(m)|0;f[h>>2]=n;f[h+8>>2]=m|-2147483648;f[h+4>>2]=l;s=n;o=13}if((o|0)==13){kh(s|0,e|0,l|0)|0;r=s}b[r+l>>0]=0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;l=Gj(d)|0;if(l>>>0>4294967279)aq(i);if(l>>>0<11){b[i+11>>0]=l;if(!l)t=i;else{v=i;o=19}}else{r=l+16&-16;s=ln(r)|0;f[i>>2]=s;f[i+8>>2]=r|-2147483648;f[i+4>>2]=l;v=s;o=19}if((o|0)==19){kh(v|0,d|0,l|0)|0;t=v}b[t+l>>0]=0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;l=Gj(e)|0;if(l>>>0>4294967279)aq(j);if(l>>>0<11){b[j+11>>0]=l;if(!l)w=j;else{x=j;o=25}}else{t=l+16&-16;v=ln(t)|0;f[j>>2]=v;f[j+8>>2]=t|-2147483648;f[j+4>>2]=l;x=v;o=25}if((o|0)==25){kh(x|0,e|0,l|0)|0;w=x}b[w+l>>0]=0;mn(c,i,j);if((b[j+11>>0]|0)<0)Oq(f[j>>2]|0);if((b[i+11>>0]|0)<0)Oq(f[i>>2]|0);if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);k=1;u=a;return k|0}function Ee(a,c){a=a|0;c=c|0;var d=0,e=0,g=0;f[a>>2]=f[c>>2];d=c+4|0;f[a+4>>2]=f[d>>2];e=c+8|0;f[a+8>>2]=f[e>>2];g=c+12|0;f[a+12>>2]=f[g>>2];f[d>>2]=0;f[e>>2]=0;f[g>>2]=0;g=c+16|0;f[a+16>>2]=f[g>>2];e=c+20|0;f[a+20>>2]=f[e>>2];d=c+24|0;f[a+24>>2]=f[d>>2];f[g>>2]=0;f[e>>2]=0;f[d>>2]=0;b[a+28>>0]=b[c+28>>0]|0;d=a+32|0;e=c+32|0;f[d>>2]=0;g=a+36|0;f[g>>2]=0;f[a+40>>2]=0;f[d>>2]=f[e>>2];d=c+36|0;f[g>>2]=f[d>>2];g=c+40|0;f[a+40>>2]=f[g>>2];f[g>>2]=0;f[d>>2]=0;f[e>>2]=0;e=a+44|0;d=c+44|0;f[e>>2]=0;g=a+48|0;f[g>>2]=0;f[a+52>>2]=0;f[e>>2]=f[d>>2];e=c+48|0;f[g>>2]=f[e>>2];g=c+52|0;f[a+52>>2]=f[g>>2];f[g>>2]=0;f[e>>2]=0;f[d>>2]=0;d=a+56|0;e=c+56|0;f[d>>2]=0;g=a+60|0;f[g>>2]=0;f[a+64>>2]=0;f[d>>2]=f[e>>2];d=c+60|0;f[g>>2]=f[d>>2];g=c+64|0;f[a+64>>2]=f[g>>2];f[g>>2]=0;f[d>>2]=0;f[e>>2]=0;f[a+68>>2]=f[c+68>>2];f[a+72>>2]=f[c+72>>2];e=a+76|0;d=c+76|0;f[e>>2]=0;g=a+80|0;f[g>>2]=0;f[a+84>>2]=0;f[e>>2]=f[d>>2];e=c+80|0;f[g>>2]=f[e>>2];g=c+84|0;f[a+84>>2]=f[g>>2];f[g>>2]=0;f[e>>2]=0;f[d>>2]=0;d=a+88|0;e=c+88|0;f[d>>2]=0;g=a+92|0;f[g>>2]=0;f[a+96>>2]=0;f[d>>2]=f[e>>2];d=c+92|0;f[g>>2]=f[d>>2];g=c+96|0;f[a+96>>2]=f[g>>2];f[g>>2]=0;f[d>>2]=0;f[e>>2]=0;b[a+100>>0]=b[c+100>>0]|0;e=a+104|0;d=c+104|0;f[e>>2]=0;g=a+108|0;f[g>>2]=0;f[a+112>>2]=0;f[e>>2]=f[d>>2];e=c+108|0;f[g>>2]=f[e>>2];g=c+112|0;f[a+112>>2]=f[g>>2];f[g>>2]=0;f[e>>2]=0;f[d>>2]=0;d=a+116|0;e=c+116|0;f[d>>2]=0;g=a+120|0;f[g>>2]=0;f[a+124>>2]=0;f[d>>2]=f[e>>2];d=c+120|0;f[g>>2]=f[d>>2];g=c+124|0;f[a+124>>2]=f[g>>2];f[g>>2]=0;f[d>>2]=0;f[e>>2]=0;f[a+128>>2]=f[c+128>>2];f[a+132>>2]=f[c+132>>2];return}function Fe(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;h=u;u=u+48|0;i=h+36|0;j=h+24|0;k=h+8|0;l=h+4|0;m=h;n=e+4|0;Rh(i,c,(f[n>>2]|0)-(f[e>>2]|0)>>2,2,g,d,1);g=f[i>>2]|0;o=(f[f[g>>2]>>2]|0)+(f[g+48>>2]|0)|0;f[k>>2]=-1;f[k+4>>2]=-1;f[k+8>>2]=-1;f[k+12>>2]=-1;p=f[c+4>>2]|0;if((p+-2|0)>>>0<=28){f[k>>2]=p;c=1<>2]=c+-1;p=c+-2|0;f[k+8>>2]=p;f[k+12>>2]=(p|0)/2|0;p=f[e>>2]|0;if((f[n>>2]|0)==(p|0))q=g;else{c=d+84|0;r=d+68|0;s=d+48|0;t=d+40|0;v=0;w=0;x=p;while(1){p=f[x+(v<<2)>>2]|0;if(!(b[c>>0]|0))y=f[(f[r>>2]|0)+(p<<2)>>2]|0;else y=p;p=s;z=f[p>>2]|0;A=f[p+4>>2]|0;p=t;B=f[p>>2]|0;C=un(B|0,f[p+4>>2]|0,y|0,0)|0;p=Vn(C|0,I|0,z|0,A|0)|0;kh(j|0,(f[f[d>>2]>>2]|0)+p|0,B|0)|0;rf(k,j,l,m);f[o+(w<<2)>>2]=f[l>>2];f[o+((w|1)<<2)>>2]=f[m>>2];v=v+1|0;x=f[e>>2]|0;if(v>>>0>=(f[n>>2]|0)-x>>2>>>0)break;else w=w+2|0}q=f[i>>2]|0}f[a>>2]=q;f[i>>2]=0;u=h;return}f[a>>2]=0;f[i>>2]=0;if(!g){u=h;return}i=g+88|0;a=f[i>>2]|0;f[i>>2]=0;if(a|0){i=f[a+8>>2]|0;if(i|0){q=a+12|0;if((f[q>>2]|0)!=(i|0))f[q>>2]=i;Oq(i)}Oq(a)}a=f[g+68>>2]|0;if(a|0){i=g+72|0;q=f[i>>2]|0;if((q|0)!=(a|0))f[i>>2]=q+(~((q+-4-a|0)>>>2)<<2);Oq(a)}a=g+64|0;q=f[a>>2]|0;f[a>>2]=0;if(q|0){a=f[q>>2]|0;if(a|0){i=q+4|0;if((f[i>>2]|0)!=(a|0))f[i>>2]=a;Oq(a)}Oq(q)}Oq(g);u=h;return}function Ge(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=a+8|0;e=f[d>>2]|0;g=a+4|0;h=f[g>>2]|0;if(((e-h|0)/136|0)>>>0>=c>>>0){i=c;j=h;do{f[j>>2]=-1;Ok(j+4|0);b[j+100>>0]=1;k=j+104|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;f[k+24>>2]=0;j=(f[g>>2]|0)+136|0;f[g>>2]=j;i=i+-1|0}while((i|0)!=0);return}i=f[a>>2]|0;j=(h-i|0)/136|0;h=j+c|0;if(h>>>0>31580641)aq(a);k=(e-i|0)/136|0;i=k<<1;e=k>>>0<15790320?(i>>>0>>0?h:i):31580641;do if(e)if(e>>>0>31580641){i=ra(8)|0;Oo(i,16035);f[i>>2]=7256;va(i|0,1112,110)}else{l=ln(e*136|0)|0;break}else l=0;while(0);i=l+(j*136|0)|0;j=i;h=l+(e*136|0)|0;e=c;c=j;l=i;do{f[l>>2]=-1;Ok(l+4|0);b[l+100>>0]=1;k=l+104|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;f[k+24>>2]=0;l=c+136|0;c=l;e=e+-1|0}while((e|0)!=0);e=f[a>>2]|0;l=f[g>>2]|0;if((l|0)==(e|0)){m=j;n=e;o=e}else{k=l;l=j;j=i;do{k=k+-136|0;Ee(j+-136|0,k);j=l+-136|0;l=j}while((k|0)!=(e|0));m=l;n=f[a>>2]|0;o=f[g>>2]|0}f[a>>2]=m;f[g>>2]=c;f[d>>2]=h;h=n;if((o|0)!=(h|0)){d=o;do{o=f[d+-20>>2]|0;if(o|0){c=d+-16|0;g=f[c>>2]|0;if((g|0)!=(o|0))f[c>>2]=g+(~((g+-4-o|0)>>>2)<<2);Oq(o)}o=f[d+-32>>2]|0;if(o|0){g=d+-28|0;c=f[g>>2]|0;if((c|0)!=(o|0))f[g>>2]=c+(~((c+-4-o|0)>>>2)<<2);Oq(o)}Mi(d+-132|0);d=d+-136|0}while((d|0)!=(h|0))}if(!n)return;Oq(n);return}function He(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=f[b>>2]|0;b=a+12|0;d=(c|0)==-1;e=c+1|0;do if(!d){g=((e>>>0)%3|0|0)==0?c+-2|0:e;if(!((c>>>0)%3|0)){h=g;i=c+2|0;break}else{h=g;i=c+-1|0;break}}else{h=-1;i=-1}while(0);e=d?-1:(c>>>0)/3|0;g=a+28|0;j=(f[g>>2]|0)+(e>>>5<<2)|0;f[j>>2]=1<<(e&31)|f[j>>2];j=a+172|0;e=a+176|0;k=a+280|0;if(((!d?(d=f[(f[(f[b>>2]|0)+12>>2]|0)+(c<<2)>>2]|0,(d|0)!=-1):0)?(a=(d>>>0)/3|0,(f[(f[g>>2]|0)+(a>>>5<<2)>>2]&1<<(a&31)|0)==0):0)?(a=f[j>>2]|0,(f[e>>2]|0)!=(a|0)):0){d=c>>>5;l=1<<(c&31);c=0;m=a;do{a=(f[k>>2]|0)+(c<<5)|0;if(!(l&f[(f[m+(c*136|0)+4>>2]|0)+(d<<2)>>2]))fj(a,0);else fj(a,1);c=c+1|0;m=f[j>>2]|0}while(c>>>0<(((f[e>>2]|0)-m|0)/136|0)>>>0)}if((((h|0)!=-1?(m=f[(f[(f[b>>2]|0)+12>>2]|0)+(h<<2)>>2]|0,(m|0)!=-1):0)?(c=(m>>>0)/3|0,(f[(f[g>>2]|0)+(c>>>5<<2)>>2]&1<<(c&31)|0)==0):0)?(c=f[j>>2]|0,(f[e>>2]|0)!=(c|0)):0){m=h>>>5;d=1<<(h&31);h=0;l=c;do{c=(f[k>>2]|0)+(h<<5)|0;if(!(d&f[(f[l+(h*136|0)+4>>2]|0)+(m<<2)>>2]))fj(c,0);else fj(c,1);h=h+1|0;l=f[j>>2]|0}while(h>>>0<(((f[e>>2]|0)-l|0)/136|0)>>>0)}if((i|0)==-1)return 1;l=f[(f[(f[b>>2]|0)+12>>2]|0)+(i<<2)>>2]|0;if((l|0)==-1)return 1;b=(l>>>0)/3|0;if(f[(f[g>>2]|0)+(b>>>5<<2)>>2]&1<<(b&31)|0)return 1;b=f[j>>2]|0;if((f[e>>2]|0)==(b|0))return 1;g=i>>>5;l=1<<(i&31);i=0;h=b;do{b=(f[k>>2]|0)+(i<<5)|0;if(!(l&f[(f[h+(i*136|0)+4>>2]|0)+(g<<2)>>2]))fj(b,0);else fj(b,1);i=i+1|0;h=f[j>>2]|0}while(i>>>0<(((f[e>>2]|0)-h|0)/136|0)>>>0);return 1}function Ie(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;i=a+4|0;j=a+8|0;ci((f[j>>2]|0)-(f[i>>2]|0)>>2,c)|0;k=f[i>>2]|0;if((f[j>>2]|0)==(k|0)){u=d;return 1}l=a+32|0;a=c+16|0;m=c+4|0;n=h+1|0;o=h+1|0;p=h+1|0;q=h+1|0;r=0;s=k;do{k=f[(f[(f[l>>2]|0)+8>>2]|0)+(f[s+(r<<2)>>2]<<2)>>2]|0;b[h>>0]=f[k+56>>2];t=a;v=f[t>>2]|0;w=f[t+4>>2]|0;if((w|0)>0|(w|0)==0&v>>>0>0){x=w;y=v}else{f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];Me(c,e,h,q)|0;v=a;x=f[v+4>>2]|0;y=f[v>>2]|0}b[h>>0]=f[k+28>>2];if((x|0)>0|(x|0)==0&y>>>0>0){z=x;A=y}else{f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];Me(c,e,h,p)|0;v=a;z=f[v+4>>2]|0;A=f[v>>2]|0}b[h>>0]=b[k+24>>0]|0;if((z|0)>0|(z|0)==0&A>>>0>0){B=z;C=A}else{f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];Me(c,e,h,o)|0;v=a;B=f[v+4>>2]|0;C=f[v>>2]|0}b[h>>0]=b[k+32>>0]|0;if(!((B|0)>0|(B|0)==0&C>>>0>0)){f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];Me(c,e,h,n)|0}ci(f[k+60>>2]|0,c)|0;r=r+1|0;s=f[i>>2]|0}while(r>>>0<(f[j>>2]|0)-s>>2>>>0);u=d;return 1}function Je(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=Oa,D=Oa,E=Oa,F=Oa;h=u;u=u+16|0;i=h;j=e+4|0;k=b[d+24>>0]|0;l=k<<24>>24;Rh(a,c,(f[j>>2]|0)-(f[e>>2]|0)>>2,l,g,d,1);g=f[a>>2]|0;a=(f[f[g>>2]>>2]|0)+(f[g+48>>2]|0)|0;g=f[c+4>>2]|0;Ap(i);Ko(i,$(n[c+20>>2]),(1<>>0>1073741823?-1:l<<2)|0;m=f[j>>2]|0;j=f[e>>2]|0;e=j;if((m|0)==(j|0)){Mq(g);u=h;return}o=d+68|0;p=d+48|0;q=d+40|0;r=c+8|0;c=i+4|0;s=(b[d+84>>0]|0)==0;t=m-j>>2;if(k<<24>>24>0){v=0;w=0}else{k=0;do{j=f[e+(k<<2)>>2]|0;if(s)x=f[(f[o>>2]|0)+(j<<2)>>2]|0;else x=j;j=p;m=f[j>>2]|0;y=f[j+4>>2]|0;j=q;z=f[j>>2]|0;A=un(z|0,f[j+4>>2]|0,x|0,0)|0;j=Vn(A|0,I|0,m|0,y|0)|0;kh(g|0,(f[f[d>>2]>>2]|0)+j|0,z|0)|0;k=k+1|0}while(k>>>0>>0);Mq(g);u=h;return}while(1){k=f[e+(v<<2)>>2]|0;if(s)B=f[(f[o>>2]|0)+(k<<2)>>2]|0;else B=k;k=p;x=f[k>>2]|0;z=f[k+4>>2]|0;k=q;j=f[k>>2]|0;y=un(j|0,f[k+4>>2]|0,B|0,0)|0;k=Vn(y|0,I|0,x|0,z|0)|0;kh(g|0,(f[f[d>>2]>>2]|0)+k|0,j|0)|0;j=f[r>>2]|0;C=$(n[i>>2]);k=0;z=w;while(1){D=$(n[g+(k<<2)>>2]);E=$(D-$(n[j+(k<<2)>>2]));x=E<$(0.0);D=$(-E);F=$((x?D:E)/C);y=~~$(J($($(F*$(f[c>>2]|0))+$(.5))));f[a+(z<<2)>>2]=x?0-y|0:y;k=k+1|0;if((k|0)==(l|0))break;else z=z+1|0}v=v+1|0;if(v>>>0>=t>>>0)break;else w=w+l|0}Mq(g);u=h;return}function Ke(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0;d=u;u=u+32|0;e=d+16|0;g=d+12|0;h=d+8|0;i=d+4|0;j=d;lp(a);f[a+16>>2]=0;f[a+20>>2]=0;f[a+12>>2]=a+16;k=a+24|0;lp(k);if((a|0)!=(b|0)){f[h>>2]=f[b>>2];f[i>>2]=b+4;f[g>>2]=f[h>>2];f[e>>2]=f[i>>2];Oc(a,g,e)}l=b+24|0;if((k|0)!=(l|0)){f[h>>2]=f[l>>2];f[i>>2]=b+28;f[g>>2]=f[h>>2];f[e>>2]=f[i>>2];Oc(k,g,e)}f[j>>2]=0;k=c+8|0;l=c+12|0;c=f[l>>2]|0;m=f[k>>2]|0;if((c-m|0)<=0){u=d;return}n=b+16|0;b=m;m=c;c=0;while(1){o=f[(f[b+(c<<2)>>2]|0)+56>>2]|0;p=f[n>>2]|0;if(p){q=n;r=p;a:while(1){p=r;while(1){if((f[p+16>>2]|0)>=(o|0))break;s=f[p+4>>2]|0;if(!s){t=q;break a}else p=s}r=f[p>>2]|0;if(!r){t=p;break}else q=p}if((t|0)!=(n|0)?(o|0)>=(f[t+16>>2]|0):0){q=t+20|0;r=Hd(a,j)|0;if((r|0)!=(q|0)){f[h>>2]=f[q>>2];f[i>>2]=t+24;f[g>>2]=f[h>>2];f[e>>2]=f[i>>2];Oc(r,g,e)}v=f[j>>2]|0;w=f[k>>2]|0;x=f[l>>2]|0}else{v=c;w=b;x=m}}else{v=c;w=b;x=m}c=v+1|0;f[j>>2]=c;if((c|0)>=(x-w>>2|0))break;else{b=w;m=x}}u=d;return}function Le(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;i=a+12|0;ci(f[i>>2]|0,c)|0;if(!(f[i>>2]|0)){j=1;u=d;return j|0}k=c+16|0;l=c+4|0;m=h+1|0;n=h+1|0;o=h+1|0;p=0;while(1){q=f[a>>2]|0;r=f[q+(p<<3)>>2]|0;if(r>>>0>63)if(r>>>0>16383)if(r>>>0>4194303){j=0;s=20;break}else{t=2;s=13}else{t=1;s=13}else if(!r){v=p+1|0;w=0;while(1){if(f[q+(v+w<<3)>>2]|0){x=w;break}y=w+1|0;if(y>>>0<63)w=y;else{x=y;break}}b[h>>0]=x<<2|3;w=k;v=f[w+4>>2]|0;if(!((v|0)>0|(v|0)==0&(f[w>>2]|0)>>>0>0)){f[g>>2]=f[l>>2];f[e>>2]=f[g>>2];Me(c,e,h,o)|0}z=x+p|0}else{t=0;s=13}if((s|0)==13){s=0;b[h>>0]=t|r<<2;w=k;v=f[w+4>>2]|0;if(!((v|0)>0|(v|0)==0&(f[w>>2]|0)>>>0>0)){f[g>>2]=f[l>>2];f[e>>2]=f[g>>2];Me(c,e,h,n)|0}if(!t)z=p;else{w=0;do{w=w+1|0;b[h>>0]=r>>>((w<<3)+-2|0);v=k;q=f[v+4>>2]|0;if(!((q|0)>0|(q|0)==0&(f[v>>2]|0)>>>0>0)){f[g>>2]=f[l>>2];f[e>>2]=f[g>>2];Me(c,e,h,m)|0}}while((w|0)<(t|0));z=p}}p=z+1|0;if(p>>>0>=(f[i>>2]|0)>>>0){j=1;s=20;break}}if((s|0)==20){u=d;return j|0}return 0}function Me(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;g=f[a>>2]|0;h=g;i=(f[c>>2]|0)-h|0;c=g+i|0;j=e-d|0;if((j|0)<=0){k=c;return k|0}l=a+8|0;m=f[l>>2]|0;n=a+4|0;o=f[n>>2]|0;p=o;if((j|0)<=(m-p|0)){q=p-c|0;if((j|0)>(q|0)){r=d+q|0;if((r|0)==(e|0))s=o;else{t=r;u=o;while(1){b[u>>0]=b[t>>0]|0;t=t+1|0;v=(f[n>>2]|0)+1|0;f[n>>2]=v;if((t|0)==(e|0)){s=v;break}else u=v}}if((q|0)>0){w=r;x=s}else{k=c;return k|0}}else{w=e;x=o}s=x-(c+j)|0;r=c+s|0;if(r>>>0>>0){q=r;r=x;do{b[r>>0]=b[q>>0]|0;q=q+1|0;r=(f[n>>2]|0)+1|0;f[n>>2]=r}while((q|0)!=(o|0))}if(s|0)im(x+(0-s)|0,c|0,s|0)|0;if((w|0)==(d|0)){k=c;return k|0}else{y=d;z=c}while(1){b[z>>0]=b[y>>0]|0;y=y+1|0;if((y|0)==(w|0)){k=c;break}else z=z+1|0}return k|0}z=p-h+j|0;if((z|0)<0)aq(a);j=m-h|0;h=j<<1;m=j>>>0<1073741823?(h>>>0>>0?z:h):2147483647;h=c;if(!m)A=0;else A=ln(m)|0;z=A+i|0;i=z;j=A+m|0;if((d|0)==(e|0)){B=i;C=g}else{g=d;d=i;i=z;do{b[i>>0]=b[g>>0]|0;i=d+1|0;d=i;g=g+1|0}while((g|0)!=(e|0));B=d;C=f[a>>2]|0}d=h-C|0;e=z+(0-d)|0;if((d|0)>0)kh(e|0,C|0,d|0)|0;d=(f[n>>2]|0)-h|0;if((d|0)>0){h=B;kh(h|0,c|0,d|0)|0;D=h+d|0;E=f[a>>2]|0}else{D=B;E=C}f[a>>2]=e;f[n>>2]=D;f[l>>2]=j;if(!E){k=z;return k|0}Oq(E);k=z;return k|0}function Ne(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;e=u;u=u+16|0;g=e;h=f[(f[c+4>>2]|0)+(d<<2)>>2]|0;d=f[c+28>>2]|0;c=f[(f[(f[d+4>>2]|0)+8>>2]|0)+(h<<2)>>2]|0;switch(f[c+28>>2]|0){case 5:case 6:case 3:case 4:case 1:case 2:{i=ln(40)|0;zo(i);j=i;k=j;f[a>>2]=k;u=e;return}case 9:{l=3;break}default:{}}if((l|0)==3){i=f[d+48>>2]|0;d=ln(32)|0;f[g>>2]=d;f[g+8>>2]=-2147483616;f[g+4>>2]=17;m=d;n=14495;o=m+17|0;do{b[m>>0]=b[n>>0]|0;m=m+1|0;n=n+1|0}while((m|0)<(o|0));b[d+17>>0]=0;d=i+16|0;n=f[d>>2]|0;if(n){p=d;q=n;a:while(1){n=q;while(1){if((f[n+16>>2]|0)>=(h|0))break;r=f[n+4>>2]|0;if(!r){s=p;break a}else n=r}q=f[n>>2]|0;if(!q){s=n;break}else p=n}if(((s|0)!=(d|0)?(h|0)>=(f[s+16>>2]|0):0)?(h=s+20|0,(Jh(h,g)|0)!=0):0)t=Hk(h,g,-1)|0;else l=12}else l=12;if((l|0)==12)t=Hk(i,g,-1)|0;if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);if((t|0)>0)if((f[c+56>>2]|0)==1){c=ln(48)|0;m=c;o=m+48|0;do{f[m>>2]=0;m=m+4|0}while((m|0)<(o|0));zo(c);f[c>>2]=2496;f[c+40>>2]=1168;f[c+44>>2]=-1;j=c;k=j;f[a>>2]=k;u=e;return}else{c=ln(64)|0;ym(c);j=c;k=j;f[a>>2]=k;u=e;return}}c=ln(36)|0;Hm(c);j=c;k=j;f[a>>2]=k;u=e;return}function Oe(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;d=(c|0)==(a|0);b[c+12>>0]=d&1;if(d)return;else e=c;while(1){g=e+8|0;h=f[g>>2]|0;c=h+12|0;if(b[c>>0]|0){i=23;break}j=h+8|0;k=f[j>>2]|0;d=f[k>>2]|0;if((d|0)==(h|0)){l=f[k+4>>2]|0;if(!l){i=7;break}m=l+12|0;if(!(b[m>>0]|0))n=m;else{i=7;break}}else{if(!d){i=16;break}m=d+12|0;if(!(b[m>>0]|0))n=m;else{i=16;break}}b[c>>0]=1;c=(k|0)==(a|0);b[k+12>>0]=c&1;b[n>>0]=1;if(c){i=23;break}else e=k}if((i|0)==7){if((f[h>>2]|0)==(e|0)){o=h;p=k}else{n=h+4|0;a=f[n>>2]|0;c=f[a>>2]|0;f[n>>2]=c;if(!c)q=k;else{f[c+8>>2]=h;q=f[j>>2]|0}f[a+8>>2]=q;q=f[j>>2]|0;f[((f[q>>2]|0)==(h|0)?q:q+4|0)>>2]=a;f[a>>2]=h;f[j>>2]=a;o=a;p=f[a+8>>2]|0}b[o+12>>0]=1;b[p+12>>0]=0;o=f[p>>2]|0;a=o+4|0;q=f[a>>2]|0;f[p>>2]=q;if(q|0)f[q+8>>2]=p;q=p+8|0;f[o+8>>2]=f[q>>2];c=f[q>>2]|0;f[((f[c>>2]|0)==(p|0)?c:c+4|0)>>2]=o;f[a>>2]=p;f[q>>2]=o;return}else if((i|0)==16){if((f[h>>2]|0)==(e|0)){o=e+4|0;q=f[o>>2]|0;f[h>>2]=q;if(!q)r=k;else{f[q+8>>2]=h;r=f[j>>2]|0}f[g>>2]=r;r=f[j>>2]|0;f[((f[r>>2]|0)==(h|0)?r:r+4|0)>>2]=e;f[o>>2]=h;f[j>>2]=e;s=e;t=f[e+8>>2]|0}else{s=h;t=k}b[s+12>>0]=1;b[t+12>>0]=0;s=t+4|0;k=f[s>>2]|0;h=f[k>>2]|0;f[s>>2]=h;if(h|0)f[h+8>>2]=t;h=t+8|0;f[k+8>>2]=f[h>>2];s=f[h>>2]|0;f[((f[s>>2]|0)==(t|0)?s:s+4|0)>>2]=k;f[k>>2]=t;f[h>>2]=k;return}else if((i|0)==23)return}function Pe(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0;d=f[b>>2]|0;b=a+12|0;e=(d|0)==-1;do if(e){g=1;h=-1;i=-1}else{j=d+(((d>>>0)%3|0|0)==0?2:-1)|0;if((j|0)!=-1){k=f[(f[b>>2]|0)+12>>2]|0;l=j;while(1){j=f[k+(l<<2)>>2]|0;if((j|0)==-1){m=0;n=l;break}o=j+1|0;l=((o>>>0)%3|0|0)==0?j+-2|0:o;if((l|0)==-1){m=1;n=-1;break}}if(e){g=m;h=-1;i=n;break}else{p=m;q=n}}else{p=1;q=-1}g=p;h=f[(f[f[b>>2]>>2]|0)+(d<<2)>>2]|0;i=q}while(0);if(c){c=(f[a+84>>2]|0)+(h>>>5<<2)|0;f[c>>2]=f[c>>2]|1<<(h&31);r=1}else r=0;c=f[(f[a+152>>2]|0)+(h<<2)>>2]|0;q=(f[a+140>>2]|0)+(c>>>5<<2)|0;f[q>>2]=f[q>>2]|1<<(c&31);if(!g){g=(((i>>>0)%3|0|0)==0?2:-1)+i|0;if((g|0)==-1){s=-1;t=i}else{s=f[(f[f[b>>2]>>2]|0)+(g<<2)>>2]|0;t=i}}else{s=-1;t=-1}if((s|0)==(h|0)){u=r;return u|0}i=f[a+84>>2]|0;a=r;r=s;s=t;while(1){t=i+(r>>>5<<2)|0;f[t>>2]=f[t>>2]|1<<(r&31);t=a+1|0;g=s+1|0;a:do if((s|0)!=-1?(c=((g>>>0)%3|0|0)==0?s+-2|0:g,(c|0)!=-1):0){q=f[b>>2]|0;d=f[q+12>>2]|0;p=c;while(1){c=f[d+(p<<2)>>2]|0;if((c|0)==-1)break;n=c+1|0;m=((n>>>0)%3|0|0)==0?c+-2|0:n;if((m|0)==-1){v=-1;w=-1;break a}else p=m}d=(((p>>>0)%3|0|0)==0?2:-1)+p|0;if((d|0)==-1){v=-1;w=p}else{v=f[(f[q>>2]|0)+(d<<2)>>2]|0;w=p}}else{v=-1;w=-1}while(0);if((v|0)==(h|0)){u=t;break}else{a=t;r=v;s=w}}return u|0}function Qe(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=Oa,C=Oa,D=Oa,E=Oa;g=u;u=u+16|0;h=g;i=b[d+24>>0]|0;j=i<<24>>24;Rh(a,c,e,j,0,d,1);k=f[a>>2]|0;a=(f[f[k>>2]>>2]|0)+(f[k+48>>2]|0)|0;k=f[c+4>>2]|0;Ap(h);Ko(h,$(n[c+20>>2]),(1<>>0>1073741823?-1:j<<2)|0;if(!e){Mq(k);u=g;return}l=d+68|0;m=d+48|0;o=d+40|0;p=c+8|0;c=h+4|0;q=(b[d+84>>0]|0)==0;if(i<<24>>24>0){r=0;s=0}else{i=0;do{if(q)t=f[(f[l>>2]|0)+(i<<2)>>2]|0;else t=i;v=m;w=f[v>>2]|0;x=f[v+4>>2]|0;v=o;y=f[v>>2]|0;z=un(y|0,f[v+4>>2]|0,t|0,0)|0;v=Vn(z|0,I|0,w|0,x|0)|0;kh(k|0,(f[f[d>>2]>>2]|0)+v|0,y|0)|0;i=i+1|0}while((i|0)!=(e|0));Mq(k);u=g;return}while(1){if(q)A=f[(f[l>>2]|0)+(s<<2)>>2]|0;else A=s;i=m;t=f[i>>2]|0;y=f[i+4>>2]|0;i=o;v=f[i>>2]|0;x=un(v|0,f[i+4>>2]|0,A|0,0)|0;i=Vn(x|0,I|0,t|0,y|0)|0;kh(k|0,(f[f[d>>2]>>2]|0)+i|0,v|0)|0;v=f[p>>2]|0;B=$(n[h>>2]);i=0;y=r;while(1){C=$(n[k+(i<<2)>>2]);D=$(C-$(n[v+(i<<2)>>2]));t=D<$(0.0);C=$(-D);E=$((t?C:D)/B);x=~~$(J($($(E*$(f[c>>2]|0))+$(.5))));f[a+(y<<2)>>2]=t?0-x|0:x;i=i+1|0;if((i|0)==(j|0))break;else y=y+1|0}s=s+1|0;if((s|0)==(e|0))break;else r=r+j|0}Mq(k);u=g;return}function Re(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0;c=a+4|0;d=f[c>>2]|0;e=a+100|0;if(d>>>0<(f[e>>2]|0)>>>0){f[c>>2]=d+1;g=h[d>>0]|0}else g=Si(a)|0;switch(g|0){case 43:case 45:{d=(g|0)==45&1;i=f[c>>2]|0;if(i>>>0<(f[e>>2]|0)>>>0){f[c>>2]=i+1;j=h[i>>0]|0}else j=Si(a)|0;if((b|0)!=0&(j+-48|0)>>>0>9?(f[e>>2]|0)!=0:0){f[c>>2]=(f[c>>2]|0)+-1;k=d;l=j}else{k=d;l=j}break}default:{k=0;l=g}}if((l+-48|0)>>>0>9)if(!(f[e>>2]|0)){m=-2147483648;n=0}else{f[c>>2]=(f[c>>2]|0)+-1;m=-2147483648;n=0}else{g=0;j=l;while(1){g=j+-48+(g*10|0)|0;l=f[c>>2]|0;if(l>>>0<(f[e>>2]|0)>>>0){f[c>>2]=l+1;o=h[l>>0]|0}else o=Si(a)|0;if(!((o+-48|0)>>>0<10&(g|0)<214748364))break;else j=o}j=((g|0)<0)<<31>>31;if((o+-48|0)>>>0<10){l=o;d=g;b=j;while(1){i=un(d|0,b|0,10,0)|0;p=I;q=Vn(l|0,((l|0)<0)<<31>>31|0,-48,-1)|0;r=Vn(q|0,I|0,i|0,p|0)|0;p=I;i=f[c>>2]|0;if(i>>>0<(f[e>>2]|0)>>>0){f[c>>2]=i+1;s=h[i>>0]|0}else s=Si(a)|0;if((s+-48|0)>>>0<10&((p|0)<21474836|(p|0)==21474836&r>>>0<2061584302)){l=s;d=r;b=p}else{t=s;u=r;v=p;break}}}else{t=o;u=g;v=j}if((t+-48|0)>>>0<10)do{t=f[c>>2]|0;if(t>>>0<(f[e>>2]|0)>>>0){f[c>>2]=t+1;w=h[t>>0]|0}else w=Si(a)|0}while((w+-48|0)>>>0<10);if(f[e>>2]|0)f[c>>2]=(f[c>>2]|0)+-1;c=(k|0)!=0;k=Xn(0,0,u|0,v|0)|0;m=c?I:v;n=c?k:u}I=m;return n|0}function Se(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;b=a+1176|0;c=f[b>>2]|0;if(c|0){d=a+1180|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e;while(1){e=h+-12|0;f[d>>2]=e;i=f[e>>2]|0;if(!i)j=e;else{e=h+-8|0;k=f[e>>2]|0;if((k|0)!=(i|0))f[e>>2]=k+(~((k+-4-i|0)>>>2)<<2);Oq(i);j=f[d>>2]|0}if((j|0)==(c|0))break;else h=j}g=f[b>>2]|0}Oq(g)}g=a+1164|0;b=f[g>>2]|0;if(b|0){j=a+1168|0;h=f[j>>2]|0;if((h|0)==(b|0))l=b;else{c=h;while(1){h=c+-12|0;f[j>>2]=h;d=f[h>>2]|0;if(!d)m=h;else{h=c+-8|0;i=f[h>>2]|0;if((i|0)!=(d|0))f[h>>2]=i+(~((i+-4-d|0)>>>2)<<2);Oq(d);m=f[j>>2]|0}if((m|0)==(b|0))break;else c=m}l=f[g>>2]|0}Oq(l)}l=f[a+1152>>2]|0;if(l|0){g=a+1156|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);Oq(l)}l=f[a+1140>>2]|0;if(l|0){m=a+1144|0;g=f[m>>2]|0;if((g|0)!=(l|0))f[m>>2]=g+(~((g+-4-l|0)>>>2)<<2);Oq(l)}l=f[a+1128>>2]|0;if(!l){n=a+1108|0;jl(n);o=a+1088|0;jl(o);p=a+1068|0;jl(p);q=a+1036|0;Fj(q);r=a+12|0;Nh(r);return}g=a+1132|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);Oq(l);n=a+1108|0;jl(n);o=a+1088|0;jl(o);p=a+1068|0;jl(p);q=a+1036|0;Fj(q);r=a+12|0;Nh(r);return}function Te(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=u;u=u+16|0;e=d;g=a+4|0;h=f[g>>2]|0;i=f[(f[a>>2]|0)+52>>2]|0;if(!h){if(!(Sa[i&31](a,c,0)|0)){j=0;u=d;return j|0}}else if(!(Sa[i&31](a,c,f[(f[h+4>>2]|0)+80>>2]|0)|0)){j=0;u=d;return j|0}if(!(b[a+28>>0]|0)){j=1;u=d;return j|0}h=f[a+8>>2]|0;i=f[a+32>>2]|0;a=f[h+80>>2]|0;f[e>>2]=0;k=e+4|0;f[k>>2]=0;f[e+8>>2]=0;do if(a)if(a>>>0>1073741823)aq(e);else{l=a<<2;m=ln(l)|0;f[e>>2]=m;n=m+(a<<2)|0;f[e+8>>2]=n;sj(m|0,0,l|0)|0;f[k>>2]=n;o=m;p=n;q=m;break}else{o=0;p=0;q=0}while(0);e=f[c+4>>2]|0;a=f[c>>2]|0;c=a;a:do if((e|0)!=(a|0)){m=e-a>>2;if(b[h+84>>0]|0){n=0;while(1){f[o+(f[c+(n<<2)>>2]<<2)>>2]=n;n=n+1|0;if(n>>>0>=m>>>0)break a}}n=f[h+68>>2]|0;l=0;do{f[o+(f[n+(f[c+(l<<2)>>2]<<2)>>2]<<2)>>2]=l;l=l+1|0}while(l>>>0>>0)}while(0);c=f[(f[(f[g>>2]|0)+4>>2]|0)+80>>2]|0;b:do if(c|0){g=f[i+68>>2]|0;if(b[h+84>>0]|0){a=0;while(1){f[g+(a<<2)>>2]=f[o+(a<<2)>>2];a=a+1|0;if(a>>>0>=c>>>0)break b}}a=f[h+68>>2]|0;e=0;do{f[g+(e<<2)>>2]=f[o+(f[a+(e<<2)>>2]<<2)>>2];e=e+1|0}while(e>>>0>>0)}while(0);if(o|0){if((p|0)!=(o|0))f[k>>2]=p+(~((p+-4-o|0)>>>2)<<2);Oq(q)}j=1;u=d;return j|0}function Ue(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;c=u;u=u+16|0;d=c;f[a>>2]=0;f[a+8>>2]=b;Oh(a+12|0);wn(a+1036|0);vo(a+1068|0);vo(a+1088|0);vo(a+1108|0);e=a+1128|0;f[e>>2]=0;g=a+1132|0;f[g>>2]=0;f[a+1136>>2]=0;h=(b|0)==0;do if(!h)if(b>>>0>1073741823)aq(e);else{i=b<<2;j=ln(i)|0;f[e>>2]=j;k=j+(b<<2)|0;f[a+1136>>2]=k;sj(j|0,0,i|0)|0;f[g>>2]=k;break}while(0);g=a+1140|0;f[g>>2]=0;e=a+1144|0;f[e>>2]=0;f[a+1148>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+1148>>2]=g;sj(i|0,0,k|0)|0;f[e>>2]=g}g=a+1152|0;f[g>>2]=0;e=a+1156|0;f[e>>2]=0;f[a+1160>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+1160>>2]=g;sj(i|0,0,k|0)|0;f[e>>2]=g}g=b<<5|1;f[d>>2]=0;e=d+4|0;f[e>>2]=0;f[d+8>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[d>>2]=i;j=i+(b<<2)|0;f[d+8>>2]=j;sj(i|0,0,k|0)|0;f[e>>2]=j}lk(a+1164|0,g,d);j=f[d>>2]|0;if(j|0){k=f[e>>2]|0;if((k|0)!=(j|0))f[e>>2]=k+(~((k+-4-j|0)>>>2)<<2);Oq(j)}f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;if(!h){h=b<<2;k=ln(h)|0;f[d>>2]=k;e=k+(b<<2)|0;f[d+8>>2]=e;sj(k|0,0,h|0)|0;f[j>>2]=e}lk(a+1176|0,g,d);g=f[d>>2]|0;if(!g){u=c;return}d=f[j>>2]|0;if((d|0)!=(g|0))f[j>>2]=d+(~((d+-4-g|0)>>>2)<<2);Oq(g);u=c;return}function Ve(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0.0,D=0.0,E=0.0;g=u;u=u+16|0;h=g;i=b+16|0;f[a>>2]=f[i>>2];f[a+4>>2]=f[i+4>>2];f[a+8>>2]=f[i+8>>2];f[a+12>>2]=f[i+12>>2];f[a+16>>2]=f[i+16>>2];f[a+20>>2]=f[i+20>>2];j=a+8|0;f[j>>2]=(f[j>>2]|0)+d;j=(d|0)>0;if(j){k=b+4|0;l=a+16|0;m=a+12|0;n=f[b>>2]|0;o=n;q=0;r=o;s=n;n=o;while(1){o=f[c+(q<<2)>>2]|0;t=f[k>>2]|0;if(t-s>>2>>>0>o>>>0){v=r;w=n}else{x=o+1|0;f[h>>2]=0;y=t-s>>2;z=s;A=t;if(x>>>0<=y>>>0)if(x>>>0>>0?(t=z+(x<<2)|0,(t|0)!=(A|0)):0){f[k>>2]=A+(~((A+-4-t|0)>>>2)<<2);B=r}else B=r;else{Ch(b,x-y|0,h);B=f[b>>2]|0}v=B;w=B}y=w+(o<<2)|0;x=f[y>>2]|0;s=w;if((x|0)<=1)if((x|0)==0?(f[l>>2]=(f[l>>2]|0)+1,o>>>0>(f[m>>2]|0)>>>0):0){f[m>>2]=o;C=0.0}else C=0.0;else{D=+(x|0);C=+Zg(D)*D}x=(f[y>>2]|0)+1|0;f[y>>2]=x;D=+(x|0);E=+Zg(D)*D-C;p[a>>3]=+p[a>>3]+E;q=q+1|0;if((q|0)==(d|0))break;else{r=v;n=w}}}if(e){f[i>>2]=f[a>>2];f[i+4>>2]=f[a+4>>2];f[i+8>>2]=f[a+8>>2];f[i+12>>2]=f[a+12>>2];f[i+16>>2]=f[a+16>>2];u=g;return}if(!j){u=g;return}j=f[b>>2]|0;b=0;do{a=j+(f[c+(b<<2)>>2]<<2)|0;f[a>>2]=(f[a>>2]|0)+-1;b=b+1|0}while((b|0)!=(d|0));u=g;return}function We(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0.0;a:do if(b>>>0<=20)do switch(b|0){case 9:{d=(f[c>>2]|0)+(4-1)&~(4-1);e=f[d>>2]|0;f[c>>2]=d+4;f[a>>2]=e;break a;break}case 10:{e=(f[c>>2]|0)+(4-1)&~(4-1);d=f[e>>2]|0;f[c>>2]=e+4;e=a;f[e>>2]=d;f[e+4>>2]=((d|0)<0)<<31>>31;break a;break}case 11:{d=(f[c>>2]|0)+(4-1)&~(4-1);e=f[d>>2]|0;f[c>>2]=d+4;d=a;f[d>>2]=e;f[d+4>>2]=0;break a;break}case 12:{d=(f[c>>2]|0)+(8-1)&~(8-1);e=d;g=f[e>>2]|0;h=f[e+4>>2]|0;f[c>>2]=d+8;d=a;f[d>>2]=g;f[d+4>>2]=h;break a;break}case 13:{h=(f[c>>2]|0)+(4-1)&~(4-1);d=f[h>>2]|0;f[c>>2]=h+4;h=(d&65535)<<16>>16;d=a;f[d>>2]=h;f[d+4>>2]=((h|0)<0)<<31>>31;break a;break}case 14:{h=(f[c>>2]|0)+(4-1)&~(4-1);d=f[h>>2]|0;f[c>>2]=h+4;h=a;f[h>>2]=d&65535;f[h+4>>2]=0;break a;break}case 15:{h=(f[c>>2]|0)+(4-1)&~(4-1);d=f[h>>2]|0;f[c>>2]=h+4;h=(d&255)<<24>>24;d=a;f[d>>2]=h;f[d+4>>2]=((h|0)<0)<<31>>31;break a;break}case 16:{h=(f[c>>2]|0)+(4-1)&~(4-1);d=f[h>>2]|0;f[c>>2]=h+4;h=a;f[h>>2]=d&255;f[h+4>>2]=0;break a;break}case 17:{h=(f[c>>2]|0)+(8-1)&~(8-1);i=+p[h>>3];f[c>>2]=h+8;p[a>>3]=i;break a;break}case 18:{h=(f[c>>2]|0)+(8-1)&~(8-1);i=+p[h>>3];f[c>>2]=h+8;p[a>>3]=i;break a;break}default:break a}while(0);while(0);return}function Xe(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;c=u;u=u+16|0;d=c+4|0;e=c;g=c+8|0;if(!(Qa[f[(f[a>>2]|0)+32>>2]&127](a)|0)){h=0;u=c;return h|0}i=a+44|0;j=f[i>>2]|0;k=a+8|0;l=a+12|0;m=f[l>>2]|0;n=f[k>>2]|0;b[g>>0]=(m-n|0)>>>2;o=j+16|0;p=f[o+4>>2]|0;if((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0){q=k;r=n;s=m}else{f[e>>2]=f[j+4>>2];f[d>>2]=f[e>>2];Me(j,d,g,g+1|0)|0;q=k;r=f[k>>2]|0;s=f[l>>2]|0}a:do if((r|0)!=(s|0)){l=a+4|0;k=r;while(1){g=f[k>>2]|0;k=k+4|0;if(!(Sa[f[(f[g>>2]|0)+8>>2]&31](g,a,f[l>>2]|0)|0)){h=0;break}if((k|0)==(s|0))break a}u=c;return h|0}while(0);if(!(xc(a)|0)){h=0;u=c;return h|0}s=a+32|0;r=f[s>>2]|0;k=a+36|0;l=f[k>>2]|0;b:do if((r|0)!=(l|0)){g=r;do{if(!(Ra[f[(f[a>>2]|0)+40>>2]&127](a,f[g>>2]|0)|0)){h=0;t=18;break}g=g+4|0}while((g|0)!=(l|0));if((t|0)==18){u=c;return h|0}g=f[s>>2]|0;d=f[k>>2]|0;if((g|0)!=(d|0)){j=g;while(1){g=f[(f[q>>2]|0)+(f[j>>2]<<2)>>2]|0;j=j+4|0;if(!(Ra[f[(f[g>>2]|0)+12>>2]&127](g,f[i>>2]|0)|0)){h=0;break}if((j|0)==(d|0))break b}u=c;return h|0}}while(0);h=Qa[f[(f[a>>2]|0)+44>>2]&127](a)|0;u=c;return h|0}function Ye(a,b){a=a|0;b=b|0;ld(a,b);ld(a+32|0,b);ld(a+64|0,b);ld(a+96|0,b);ld(a+128|0,b);ld(a+160|0,b);ld(a+192|0,b);ld(a+224|0,b);ld(a+256|0,b);ld(a+288|0,b);ld(a+320|0,b);ld(a+352|0,b);ld(a+384|0,b);ld(a+416|0,b);ld(a+448|0,b);ld(a+480|0,b);ld(a+512|0,b);ld(a+544|0,b);ld(a+576|0,b);ld(a+608|0,b);ld(a+640|0,b);ld(a+672|0,b);ld(a+704|0,b);ld(a+736|0,b);ld(a+768|0,b);ld(a+800|0,b);ld(a+832|0,b);ld(a+864|0,b);ld(a+896|0,b);ld(a+928|0,b);ld(a+960|0,b);ld(a+992|0,b);ld(a+1024|0,b);return}function Ze(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0;c=u;u=u+32|0;d=c;e=a+4|0;g=f[a>>2]|0;h=(f[e>>2]|0)-g>>2;i=h+1|0;if(i>>>0>1073741823)aq(a);j=a+8|0;k=(f[j>>2]|0)-g|0;g=k>>1;l=k>>2>>>0<536870911?(g>>>0>>0?i:g):1073741823;f[d+12>>2]=0;f[d+16>>2]=a+8;do if(l)if(l>>>0>1073741823){g=ra(8)|0;Oo(g,16035);f[g>>2]=7256;va(g|0,1112,110)}else{m=ln(l<<2)|0;break}else m=0;while(0);f[d>>2]=m;g=m+(h<<2)|0;h=d+8|0;i=d+4|0;f[i>>2]=g;k=m+(l<<2)|0;l=d+12|0;f[l>>2]=k;m=f[b>>2]|0;f[b>>2]=0;f[g>>2]=m;m=g+4|0;f[h>>2]=m;b=f[a>>2]|0;n=f[e>>2]|0;if((n|0)==(b|0)){o=g;p=l;q=h;r=b;s=m;t=n;v=k;w=o;f[a>>2]=w;f[i>>2]=r;f[e>>2]=s;f[q>>2]=t;x=f[j>>2]|0;f[j>>2]=v;f[p>>2]=x;f[d>>2]=r;ki(d);u=c;return}else{y=n;z=g}do{y=y+-4|0;g=f[y>>2]|0;f[y>>2]=0;f[z+-4>>2]=g;z=(f[i>>2]|0)+-4|0;f[i>>2]=z}while((y|0)!=(b|0));o=z;p=l;q=h;r=f[a>>2]|0;s=f[h>>2]|0;t=f[e>>2]|0;v=f[l>>2]|0;w=o;f[a>>2]=w;f[i>>2]=r;f[e>>2]=s;f[q>>2]=t;x=f[j>>2]|0;f[j>>2]=v;f[p>>2]=x;f[d>>2]=r;ki(d);u=c;return}function _e(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;d=u;u=u+32|0;e=d+12|0;g=d;h=nl(c,0)|0;if(!h){f[a>>2]=0;u=d;return}i=f[c+100>>2]|0;j=f[c+96>>2]|0;c=i-j|0;k=(c|0)/12|0;f[e>>2]=0;l=e+4|0;f[l>>2]=0;f[e+8>>2]=0;m=j;do if(c)if(k>>>0>357913941)aq(e);else{n=ln(c)|0;f[e>>2]=n;f[e+8>>2]=n+(k*12|0);sj(n|0,0,c|0)|0;f[l>>2]=n+c;o=n;break}else o=0;while(0);f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;a:do if((i|0)!=(j|0)){c=g+4|0;n=g+8|0;if(b[h+84>>0]|0){p=0;while(1){q=m+(p*12|0)|0;f[g>>2]=f[q>>2];f[g+4>>2]=f[q+4>>2];f[g+8>>2]=f[q+8>>2];f[o+(p*12|0)>>2]=f[g>>2];f[o+(p*12|0)+4>>2]=f[c>>2];f[o+(p*12|0)+8>>2]=f[n>>2];p=p+1|0;if(p>>>0>=k>>>0)break a}}p=f[h+68>>2]|0;q=0;do{r=f[p+(f[m+(q*12|0)>>2]<<2)>>2]|0;f[g>>2]=r;s=f[p+(f[m+(q*12|0)+4>>2]<<2)>>2]|0;f[c>>2]=s;t=f[p+(f[m+(q*12|0)+8>>2]<<2)>>2]|0;f[n>>2]=t;f[o+(q*12|0)>>2]=r;f[o+(q*12|0)+4>>2]=s;f[o+(q*12|0)+8>>2]=t;q=q+1|0}while(q>>>0>>0)}while(0);Kj(a,e);a=f[e>>2]|0;if(a|0){e=f[l>>2]|0;if((e|0)!=(a|0))f[l>>2]=e+(~(((e+-12-a|0)>>>0)/12|0)*12|0);Oq(a)}u=d;return}function $e(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;c=u;u=u+16|0;d=c;f[a>>2]=0;f[a+8>>2]=b;wn(a+12|0);vo(a+44|0);vo(a+64|0);vo(a+84|0);e=a+104|0;f[e>>2]=0;g=a+108|0;f[g>>2]=0;f[a+112>>2]=0;h=(b|0)==0;do if(!h)if(b>>>0>1073741823)aq(e);else{i=b<<2;j=ln(i)|0;f[e>>2]=j;k=j+(b<<2)|0;f[a+112>>2]=k;sj(j|0,0,i|0)|0;f[g>>2]=k;break}while(0);g=a+116|0;f[g>>2]=0;e=a+120|0;f[e>>2]=0;f[a+124>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+124>>2]=g;sj(i|0,0,k|0)|0;f[e>>2]=g}g=a+128|0;f[g>>2]=0;e=a+132|0;f[e>>2]=0;f[a+136>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+136>>2]=g;sj(i|0,0,k|0)|0;f[e>>2]=g}g=b<<5|1;f[d>>2]=0;e=d+4|0;f[e>>2]=0;f[d+8>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[d>>2]=i;j=i+(b<<2)|0;f[d+8>>2]=j;sj(i|0,0,k|0)|0;f[e>>2]=j}lk(a+140|0,g,d);j=f[d>>2]|0;if(j|0){k=f[e>>2]|0;if((k|0)!=(j|0))f[e>>2]=k+(~((k+-4-j|0)>>>2)<<2);Oq(j)}f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;if(!h){h=b<<2;k=ln(h)|0;f[d>>2]=k;e=k+(b<<2)|0;f[d+8>>2]=e;sj(k|0,0,h|0)|0;f[j>>2]=e}lk(a+152|0,g,d);g=f[d>>2]|0;if(!g){u=c;return}d=f[j>>2]|0;if((d|0)!=(g|0))f[j>>2]=d+(~((d+-4-g|0)>>>2)<<2);Oq(g);u=c;return}function af(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;c=u;u=u+16|0;d=c;f[a>>2]=0;f[a+8>>2]=b;vo(a+12|0);vo(a+32|0);vo(a+52|0);vo(a+72|0);e=a+92|0;f[e>>2]=0;g=a+96|0;f[g>>2]=0;f[a+100>>2]=0;h=(b|0)==0;do if(!h)if(b>>>0>1073741823)aq(e);else{i=b<<2;j=ln(i)|0;f[e>>2]=j;k=j+(b<<2)|0;f[a+100>>2]=k;sj(j|0,0,i|0)|0;f[g>>2]=k;break}while(0);g=a+104|0;f[g>>2]=0;e=a+108|0;f[e>>2]=0;f[a+112>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+112>>2]=g;sj(i|0,0,k|0)|0;f[e>>2]=g}g=a+116|0;f[g>>2]=0;e=a+120|0;f[e>>2]=0;f[a+124>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[g>>2]=i;g=i+(b<<2)|0;f[a+124>>2]=g;sj(i|0,0,k|0)|0;f[e>>2]=g}g=b<<5|1;f[d>>2]=0;e=d+4|0;f[e>>2]=0;f[d+8>>2]=0;if(!h){k=b<<2;i=ln(k)|0;f[d>>2]=i;j=i+(b<<2)|0;f[d+8>>2]=j;sj(i|0,0,k|0)|0;f[e>>2]=j}lk(a+128|0,g,d);j=f[d>>2]|0;if(j|0){k=f[e>>2]|0;if((k|0)!=(j|0))f[e>>2]=k+(~((k+-4-j|0)>>>2)<<2);Oq(j)}f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;if(!h){h=b<<2;k=ln(h)|0;f[d>>2]=k;e=k+(b<<2)|0;f[d+8>>2]=e;sj(k|0,0,h|0)|0;f[j>>2]=e}lk(a+140|0,g,d);g=f[d>>2]|0;if(!g){u=c;return}d=f[j>>2]|0;if((d|0)!=(g|0))f[j>>2]=d+(~((d+-4-g|0)>>>2)<<2);Oq(g);u=c;return}function bf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0;d=ln(40)|0;e=d+16|0;pj(e,c);pj(d+28|0,c+12|0);c=a+4|0;g=f[c>>2]|0;do if(g){h=b[d+27>>0]|0;i=h<<24>>24<0;j=i?f[d+20>>2]|0:h&255;h=i?f[e>>2]|0:e;i=g;while(1){k=i+16|0;l=b[k+11>>0]|0;m=l<<24>>24<0;n=m?f[i+20>>2]|0:l&255;l=n>>>0>>0?n:j;if((l|0)!=0?(o=Vk(h,m?f[k>>2]|0:k,l)|0,(o|0)!=0):0)if((o|0)<0)p=7;else p=9;else if(j>>>0>>0)p=7;else p=9;if((p|0)==7){p=0;n=f[i>>2]|0;if(!n){p=8;break}else q=n}else if((p|0)==9){p=0;r=i+4|0;n=f[r>>2]|0;if(!n){p=11;break}else q=n}i=q}if((p|0)==8){s=i;t=i;break}else if((p|0)==11){s=i;t=r;break}}else{s=c;t=c}while(0);f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=s;f[t>>2]=d;s=f[f[a>>2]>>2]|0;if(!s){u=d;v=a+4|0;w=f[v>>2]|0;Oe(w,u);x=a+8|0;y=f[x>>2]|0;z=y+1|0;f[x>>2]=z;return d|0}f[a>>2]=s;u=f[t>>2]|0;v=a+4|0;w=f[v>>2]|0;Oe(w,u);x=a+8|0;y=f[x>>2]|0;z=y+1|0;f[x>>2]=z;return d|0}function cf(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3680;wi(a+200|0);b=f[a+184>>2]|0;if(b|0){c=a+188|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}kj(a+172|0);b=f[a+152>>2]|0;if(b|0){d=a+156|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+140>>2]|0;if(b|0)Oq(b);b=f[a+128>>2]|0;if(b|0){c=b;do{b=c;c=f[c>>2]|0;Oq(b)}while((c|0)!=0)}c=a+120|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0)Oq(b);b=f[a+108>>2]|0;if(b|0){c=a+112|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~(((d+-12-b|0)>>>0)/12|0)*12|0);Oq(b)}b=f[a+96>>2]|0;if(b|0){d=a+100|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+84>>2]|0;if(b|0)Oq(b);b=f[a+72>>2]|0;if(b|0){c=a+76|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+52>>2]|0;if(b|0){d=a+56|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+40>>2]|0;if(b|0){c=a+44|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+28>>2]|0;if(b|0)Oq(b);b=f[a+16>>2]|0;if(b|0){d=a+20|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=a+12|0;a=f[b>>2]|0;f[b>>2]=0;if(!a)return;Ii(a);Oq(a);return}function df(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;b=a+140|0;c=f[b>>2]|0;if(c|0){d=a+144|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e;while(1){e=h+-12|0;f[d>>2]=e;i=f[e>>2]|0;if(!i)j=e;else{e=h+-8|0;k=f[e>>2]|0;if((k|0)!=(i|0))f[e>>2]=k+(~((k+-4-i|0)>>>2)<<2);Oq(i);j=f[d>>2]|0}if((j|0)==(c|0))break;else h=j}g=f[b>>2]|0}Oq(g)}g=a+128|0;b=f[g>>2]|0;if(b|0){j=a+132|0;h=f[j>>2]|0;if((h|0)==(b|0))l=b;else{c=h;while(1){h=c+-12|0;f[j>>2]=h;d=f[h>>2]|0;if(!d)m=h;else{h=c+-8|0;i=f[h>>2]|0;if((i|0)!=(d|0))f[h>>2]=i+(~((i+-4-d|0)>>>2)<<2);Oq(d);m=f[j>>2]|0}if((m|0)==(b|0))break;else c=m}l=f[g>>2]|0}Oq(l)}l=f[a+116>>2]|0;if(l|0){g=a+120|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);Oq(l)}l=f[a+104>>2]|0;if(l|0){m=a+108|0;g=f[m>>2]|0;if((g|0)!=(l|0))f[m>>2]=g+(~((g+-4-l|0)>>>2)<<2);Oq(l)}l=f[a+92>>2]|0;if(!l){n=a+72|0;jl(n);o=a+52|0;jl(o);p=a+32|0;jl(p);q=a+12|0;jl(q);return}g=a+96|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);Oq(l);n=a+72|0;jl(n);o=a+52|0;jl(o);p=a+32|0;jl(p);q=a+12|0;jl(q);return}function ef(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;b=a+152|0;c=f[b>>2]|0;if(c|0){d=a+156|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e;while(1){e=h+-12|0;f[d>>2]=e;i=f[e>>2]|0;if(!i)j=e;else{e=h+-8|0;k=f[e>>2]|0;if((k|0)!=(i|0))f[e>>2]=k+(~((k+-4-i|0)>>>2)<<2);Oq(i);j=f[d>>2]|0}if((j|0)==(c|0))break;else h=j}g=f[b>>2]|0}Oq(g)}g=a+140|0;b=f[g>>2]|0;if(b|0){j=a+144|0;h=f[j>>2]|0;if((h|0)==(b|0))l=b;else{c=h;while(1){h=c+-12|0;f[j>>2]=h;d=f[h>>2]|0;if(!d)m=h;else{h=c+-8|0;i=f[h>>2]|0;if((i|0)!=(d|0))f[h>>2]=i+(~((i+-4-d|0)>>>2)<<2);Oq(d);m=f[j>>2]|0}if((m|0)==(b|0))break;else c=m}l=f[g>>2]|0}Oq(l)}l=f[a+128>>2]|0;if(l|0){g=a+132|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);Oq(l)}l=f[a+116>>2]|0;if(l|0){m=a+120|0;g=f[m>>2]|0;if((g|0)!=(l|0))f[m>>2]=g+(~((g+-4-l|0)>>>2)<<2);Oq(l)}l=f[a+104>>2]|0;if(!l){n=a+84|0;jl(n);o=a+64|0;jl(o);p=a+44|0;jl(p);q=a+12|0;Fj(q);return}g=a+108|0;m=f[g>>2]|0;if((m|0)!=(l|0))f[g>>2]=m+(~((m+-4-l|0)>>>2)<<2);Oq(l);n=a+84|0;jl(n);o=a+64|0;jl(o);p=a+44|0;jl(p);q=a+12|0;Fj(q);return}function ff(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3480;uj(a+200|0);b=f[a+184>>2]|0;if(b|0){c=a+188|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}kj(a+172|0);b=f[a+152>>2]|0;if(b|0){d=a+156|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+140>>2]|0;if(b|0)Oq(b);b=f[a+128>>2]|0;if(b|0){c=b;do{b=c;c=f[c>>2]|0;Oq(b)}while((c|0)!=0)}c=a+120|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0)Oq(b);b=f[a+108>>2]|0;if(b|0){c=a+112|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~(((d+-12-b|0)>>>0)/12|0)*12|0);Oq(b)}b=f[a+96>>2]|0;if(b|0){d=a+100|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+84>>2]|0;if(b|0)Oq(b);b=f[a+72>>2]|0;if(b|0){c=a+76|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+52>>2]|0;if(b|0){d=a+56|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+40>>2]|0;if(b|0){c=a+44|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+28>>2]|0;if(b|0)Oq(b);b=f[a+16>>2]|0;if(b|0){d=a+20|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=a+12|0;a=f[b>>2]|0;f[b>>2]=0;if(!a)return;Ii(a);Oq(a);return}function gf(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;e=u;u=u+144|0;g=e+136|0;h=e+104|0;i=e;j=ln(124)|0;k=f[c+8>>2]|0;f[j+4>>2]=0;f[j>>2]=3656;f[j+12>>2]=3636;f[j+100>>2]=0;f[j+104>>2]=0;f[j+108>>2]=0;l=j+16|0;m=l+80|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(m|0));f[j+112>>2]=k;f[j+116>>2]=d;n=j+120|0;f[n>>2]=0;o=j;f[h>>2]=3636;p=h+4|0;q=p+4|0;f[q>>2]=0;f[q+4>>2]=0;f[q+8>>2]=0;f[q+12>>2]=0;f[q+16>>2]=0;f[q+20>>2]=0;q=f[c+12>>2]|0;f[i+4>>2]=3636;f[i+92>>2]=0;f[i+96>>2]=0;f[i+100>>2]=0;l=i+8|0;m=l+80|0;do{f[l>>2]=0;l=l+4|0}while((l|0)<(m|0));l=q;f[p>>2]=l;m=((f[l+4>>2]|0)-(f[q>>2]|0)>>2>>>0)/3|0;b[g>>0]=0;qh(h+8|0,m,g);Va[f[(f[h>>2]|0)+8>>2]&127](h);f[i>>2]=f[p>>2];fg(i+4|0,h)|0;f[i+36>>2]=q;f[i+40>>2]=d;f[i+44>>2]=k;f[i+48>>2]=j;f[n>>2]=c+72;Sg(j,i);f[a>>2]=o;Qi(i);f[h>>2]=3636;i=f[h+20>>2]|0;if(i|0)Oq(i);i=f[h+8>>2]|0;if(!i){u=e;return}Oq(i);u=e;return}function hf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+48|0;d=c+44|0;e=c+40|0;g=c+36|0;h=c+32|0;i=c;f[h>>2]=f[a+60>>2];j=b+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)){f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,h,h+4|0)|0}wn(i);tk(i);if((f[h>>2]|0)>0){k=a+56|0;l=1;m=0;do{n=l;l=(f[(f[k>>2]|0)+(m>>>5<<2)>>2]&1<<(m&31)|0)!=0;fj(i,n^l^1);m=m+1|0}while((m|0)<(f[h>>2]|0))}ld(i,b);f[g>>2]=f[a+12>>2];h=j;m=f[h>>2]|0;l=f[h+4>>2]|0;if((l|0)>0|(l|0)==0&m>>>0>0){o=l;p=m}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;m=j;o=f[m+4>>2]|0;p=f[m>>2]|0}f[g>>2]=f[a+20>>2];if((o|0)>0|(o|0)==0&p>>>0>0){Fj(i);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;Fj(i);u=c;return 1}function jf(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;g=u;u=u+16|0;h=g;if((f[c+56>>2]|0)==-1){i=-1;u=g;return i|0}j=ln(96)|0;tl(j,c);f[h>>2]=j;j=vh(a,h)|0;c=f[h>>2]|0;f[h>>2]=0;if(c|0){h=c+88|0;k=f[h>>2]|0;f[h>>2]=0;if(k|0){h=f[k+8>>2]|0;if(h|0){l=k+12|0;if((f[l>>2]|0)!=(h|0))f[l>>2]=h;Oq(h)}Oq(k)}k=f[c+68>>2]|0;if(k|0){h=c+72|0;l=f[h>>2]|0;if((l|0)!=(k|0))f[h>>2]=l+(~((l+-4-k|0)>>>2)<<2);Oq(k)}k=c+64|0;l=f[k>>2]|0;f[k>>2]=0;if(l|0){k=f[l>>2]|0;if(k|0){h=l+4|0;if((f[h>>2]|0)!=(k|0))f[h>>2]=k;Oq(k)}Oq(l)}Oq(c)}c=a+8|0;l=(f[c>>2]|0)+(j<<2)|0;k=f[l>>2]|0;do if(!d){h=f[a+80>>2]|0;b[k+84>>0]=0;m=k+68|0;n=k+72|0;o=f[n>>2]|0;p=f[m>>2]|0;q=o-p>>2;r=o;if(h>>>0>q>>>0){Ch(m,h-q|0,6220);break}if(h>>>0>>0?(q=p+(h<<2)|0,(q|0)!=(r|0)):0)f[n>>2]=r+(~((r+-4-q|0)>>>2)<<2)}else{b[k+84>>0]=1;q=f[k+68>>2]|0;r=k+72|0;n=f[r>>2]|0;if((n|0)==(q|0))s=k;else{f[r>>2]=n+(~((n+-4-q|0)>>>2)<<2);s=f[l>>2]|0}f[s+80>>2]=f[a+80>>2]}while(0);if(!e){i=j;u=g;return i|0}Bj(f[(f[c>>2]|0)+(j<<2)>>2]|0,e)|0;i=j;u=g;return i|0}function kf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;d=u;u=u+32|0;h=d+24|0;i=d+16|0;j=d;k=d+8|0;f[a+52>>2]=e;f[a+44>>2]=g;g=Lq(e>>>0>1073741823?-1:e<<2)|0;l=a+48|0;m=f[l>>2]|0;f[l>>2]=g;if(m|0)Mq(m);m=a+36|0;g=f[m>>2]|0;n=f[g+4>>2]|0;o=f[g>>2]|0;p=n-o|0;if((p|0)<=0){u=d;return 1}q=(p>>>2)+-1|0;p=a+8|0;r=i+4|0;s=j+4|0;t=h+4|0;if(n-o>>2>>>0>q>>>0){v=q;w=o}else{x=g;aq(x)}while(1){f[k>>2]=f[w+(v<<2)>>2];f[h>>2]=f[k>>2];Bc(a,h,b,v);g=X(v,e)|0;o=b+(g<<2)|0;q=f[l>>2]|0;n=c+(g<<2)|0;g=f[o+4>>2]|0;y=f[q>>2]|0;z=f[q+4>>2]|0;f[i>>2]=f[o>>2];f[r>>2]=g;f[j>>2]=y;f[s>>2]=z;Od(h,p,i,j);f[n>>2]=f[h>>2];f[n+4>>2]=f[t>>2];v=v+-1|0;if((v|0)<=-1){A=5;break}n=f[m>>2]|0;w=f[n>>2]|0;if((f[n+4>>2]|0)-w>>2>>>0<=v>>>0){x=n;A=6;break}}if((A|0)==5){u=d;return 1}else if((A|0)==6)aq(x);return 0}function lf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;d=f[c>>2]|0;c=f[d>>2]|0;e=f[a+4>>2]|0;g=f[d+4>>2]|0;h=e+-1|0;i=(h&e|0)==0;if(!i)if(g>>>0>>0)j=g;else j=(g>>>0)%(e>>>0)|0;else j=h&g;g=(f[a>>2]|0)+(j<<2)|0;k=f[g>>2]|0;while(1){l=f[k>>2]|0;if((l|0)==(d|0))break;else k=l}if((k|0)!=(a+8|0)){l=f[k+4>>2]|0;if(!i)if(l>>>0>>0)m=l;else m=(l>>>0)%(e>>>0)|0;else m=l&h;if((m|0)==(j|0)){n=c;o=21}else o=13}else o=13;do if((o|0)==13){if(c|0){m=f[c+4>>2]|0;if(!i)if(m>>>0>>0)p=m;else p=(m>>>0)%(e>>>0)|0;else p=m&h;if((p|0)==(j|0)){q=c;r=c;o=22;break}}f[g>>2]=0;n=f[d>>2]|0;o=21}while(0);if((o|0)==21){g=n;if(!n)s=g;else{q=n;r=g;o=22}}if((o|0)==22){o=f[q+4>>2]|0;if(!i)if(o>>>0>>0)t=o;else t=(o>>>0)%(e>>>0)|0;else t=o&h;if((t|0)==(j|0))s=r;else{f[(f[a>>2]|0)+(t<<2)>>2]=k;s=f[d>>2]|0}}f[k>>2]=s;f[d>>2]=0;s=a+12|0;f[s>>2]=(f[s>>2]|0)+-1;if(!d)return c|0;s=d+8|0;a=f[d+20>>2]|0;if(a|0){k=d+24|0;if((f[k>>2]|0)!=(a|0))f[k>>2]=a;Oq(a)}if((b[s+11>>0]|0)<0)Oq(f[s>>2]|0);Oq(d);return c|0}function mf(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0;b=u;u=u+16|0;c=b+4|0;d=b;f[c>>2]=0;e=c+4|0;f[e>>2]=0;f[c+8>>2]=0;g=a+52|0;h=f[g>>2]|0;i=(f[h+100>>2]|0)-(f[h+96>>2]|0)|0;j=(i|0)/12|0;if(!i){k=0;l=0}else{i=c+8|0;m=0;n=0;o=h;h=0;p=0;while(1){q=f[o+96>>2]|0;r=f[q+(n*12|0)>>2]|0;s=r-m|0;t=((s|0)>-1?s:0-s|0)<<1|s>>>31;f[d>>2]=t;if((h|0)==(p|0)){Ri(c,d);v=f[e>>2]|0;w=f[i>>2]|0}else{f[h>>2]=t;t=h+4|0;f[e>>2]=t;v=t;w=p}t=f[q+(n*12|0)+4>>2]|0;s=t-r|0;r=((s|0)>-1?s:0-s|0)<<1|s>>>31;f[d>>2]=r;if((v|0)==(w|0)){Ri(c,d);x=f[e>>2]|0;y=f[i>>2]|0}else{f[v>>2]=r;r=v+4|0;f[e>>2]=r;x=r;y=w}r=f[q+(n*12|0)+8>>2]|0;q=r-t|0;t=((q|0)>-1?q:0-q|0)<<1|q>>>31;f[d>>2]=t;if((x|0)==(y|0))Ri(c,d);else{f[x>>2]=t;f[e>>2]=x+4}t=n+1|0;if(t>>>0>=j>>>0)break;m=r;n=t;o=f[g>>2]|0;h=f[e>>2]|0;p=f[i>>2]|0}k=f[c>>2]|0;l=f[e>>2]|0}Mc(k,l-k>>2,1,0,f[a+44>>2]|0)|0;a=f[c>>2]|0;if(!a){u=b;return 1}c=f[e>>2]|0;if((c|0)!=(a|0))f[e>>2]=c+(~((c+-4-a|0)>>>2)<<2);Oq(a);u=b;return 1}function nf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+48|0;d=c+44|0;e=c+40|0;g=c+36|0;h=c+32|0;i=c;f[h>>2]=f[a+80>>2];j=b+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)){f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,h,h+4|0)|0}wn(i);tk(i);if((f[h>>2]|0)>0){k=a+76|0;l=1;m=0;do{n=l;l=(f[(f[k>>2]|0)+(m>>>5<<2)>>2]&1<<(m&31)|0)!=0;fj(i,n^l^1);m=m+1|0}while((m|0)<(f[h>>2]|0))}ld(i,b);f[g>>2]=f[a+12>>2];h=j;m=f[h>>2]|0;l=f[h+4>>2]|0;if((l|0)>0|(l|0)==0&m>>>0>0){o=l;p=m}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;m=j;o=f[m+4>>2]|0;p=f[m>>2]|0}f[g>>2]=f[a+16>>2];if((o|0)>0|(o|0)==0&p>>>0>0){Fj(i);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;Fj(i);u=c;return 1}function of(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=u;u=u+16|0;d=c+12|0;e=c+8|0;g=c+4|0;h=c;if(!b){i=ln(76)|0;j=ln(12)|0;k=f[(f[a+4>>2]|0)+80>>2]|0;f[j+4>>2]=0;f[j>>2]=3908;f[j+8>>2]=k;f[h>>2]=j;rl(i,h,0);j=i;f[g>>2]=j;i=a+12|0;k=f[i>>2]|0;if(k>>>0<(f[a+16>>2]|0)>>>0){f[g>>2]=0;f[k>>2]=j;f[i>>2]=k+4;l=g}else{Qg(a+8|0,g);l=g}g=f[l>>2]|0;f[l>>2]=0;if(g|0)Va[f[(f[g>>2]|0)+4>>2]&127](g);g=f[h>>2]|0;f[h>>2]=0;if(!g){u=c;return 1}Va[f[(f[g>>2]|0)+4>>2]&127](g);u=c;return 1}g=f[f[a+8>>2]>>2]|0;f[d>>2]=b;a=g+4|0;h=g+8|0;l=f[h>>2]|0;if((l|0)==(f[g+12>>2]|0))Ri(a,d);else{f[l>>2]=b;f[h>>2]=l+4}l=f[d>>2]|0;b=g+16|0;k=g+20|0;g=f[k>>2]|0;i=f[b>>2]|0;j=g-i>>2;m=i;if((l|0)<(j|0)){n=m;o=l}else{i=l+1|0;f[e>>2]=-1;p=g;if(i>>>0<=j>>>0)if(i>>>0>>0?(g=m+(i<<2)|0,(g|0)!=(p|0)):0){f[k>>2]=p+(~((p+-4-g|0)>>>2)<<2);q=l;r=m}else{q=l;r=m}else{Ch(b,i-j|0,e);q=f[d>>2]|0;r=f[b>>2]|0}n=r;o=q}f[n+(o<<2)>>2]=((f[h>>2]|0)-(f[a>>2]|0)>>2)+-1;u=c;return 1}function pf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;d=u;u=u+32|0;h=d+24|0;i=d+16|0;j=d;k=d+8|0;f[a+52>>2]=e;f[a+44>>2]=g;g=Lq(e>>>0>1073741823?-1:e<<2)|0;l=a+48|0;m=f[l>>2]|0;f[l>>2]=g;if(m|0)Mq(m);m=a+36|0;g=f[m>>2]|0;n=f[g+4>>2]|0;o=f[g>>2]|0;p=n-o|0;if((p|0)<=0){u=d;return 1}q=(p>>>2)+-1|0;p=a+8|0;r=i+4|0;s=j+4|0;t=h+4|0;if(n-o>>2>>>0>q>>>0){v=q;w=o}else{x=g;aq(x)}while(1){f[k>>2]=f[w+(v<<2)>>2];f[h>>2]=f[k>>2];Ac(a,h,b,v);g=X(v,e)|0;o=b+(g<<2)|0;q=f[l>>2]|0;n=c+(g<<2)|0;g=f[o+4>>2]|0;y=f[q>>2]|0;z=f[q+4>>2]|0;f[i>>2]=f[o>>2];f[r>>2]=g;f[j>>2]=y;f[s>>2]=z;Od(h,p,i,j);f[n>>2]=f[h>>2];f[n+4>>2]=f[t>>2];v=v+-1|0;if((v|0)<=-1){A=5;break}n=f[m>>2]|0;w=f[n>>2]|0;if((f[n+4>>2]|0)-w>>2>>>0<=v>>>0){x=n;A=6;break}}if((A|0)==5){u=d;return 1}else if((A|0)==6)aq(x);return 0}function qf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;d=a+8|0;e=f[d>>2]|0;g=f[a>>2]|0;h=g;do if(e-g>>3>>>0>=b>>>0){i=a+4|0;j=f[i>>2]|0;k=j-g>>3;l=k>>>0>>0;m=l?k:b;n=j;if(m|0){j=m;m=h;while(1){o=c;p=f[o+4>>2]|0;q=m;f[q>>2]=f[o>>2];f[q+4>>2]=p;j=j+-1|0;if(!j)break;else m=m+8|0}}if(!l){m=h+(b<<3)|0;if((m|0)==(n|0))return;else{r=i;s=n+(~((n+-8-m|0)>>>3)<<3)|0;break}}else{m=b-k|0;j=m;p=n;while(1){q=c;o=f[q+4>>2]|0;t=p;f[t>>2]=f[q>>2];f[t+4>>2]=o;j=j+-1|0;if(!j)break;else p=p+8|0}r=i;s=n+(m<<3)|0;break}}else{p=g;if(!g)u=e;else{j=a+4|0;k=f[j>>2]|0;if((k|0)!=(h|0))f[j>>2]=k+(~((k+-8-g|0)>>>3)<<3);Oq(p);f[d>>2]=0;f[j>>2]=0;f[a>>2]=0;u=0}if(b>>>0>536870911)aq(a);j=u>>2;p=u>>3>>>0<268435455?(j>>>0>>0?b:j):536870911;if(p>>>0>536870911)aq(a);j=ln(p<<3)|0;k=a+4|0;f[k>>2]=j;f[a>>2]=j;f[d>>2]=j+(p<<3);p=b;l=j;while(1){o=c;t=f[o+4>>2]|0;q=l;f[q>>2]=f[o>>2];f[q+4>>2]=t;p=p+-1|0;if(!p)break;else l=l+8|0}r=k;s=j+(b<<3)|0}while(0);f[r>>2]=s;return}function rf(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0.0,g=0.0,h=0.0,i=0.0,j=0.0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;e=+$(n[b>>2]);g=+K(+e);h=+$(n[b+4>>2]);i=g+ +K(+h);g=+$(n[b+8>>2]);j=i+ +K(+g);b=j>1.0e-06;i=1.0/j;k=f[a+12>>2]|0;j=+(k|0);l=~~+J(+((b?i*e:1.0)*j+.5));m=~~+J(+((b?i*h:0.0)*j+.5));o=(l|0)>-1;p=k-(o?l:0-l|0)-((m|0)>-1?m:0-m|0)|0;l=(p|0)<0;q=(l?((m|0)>0?p:0-p|0):0)+m|0;m=l?0:p;p=(b?i*g:0.0)<0.0?0-m|0:m;do if(!o){if((q|0)<0)r=(p|0)>-1?p:0-p|0;else r=(f[a+8>>2]|0)-((p|0)>-1?p:0-p|0)|0;if((p|0)<0){s=(q|0)>-1?q:0-q|0;t=r;break}else{s=(f[a+8>>2]|0)-((q|0)>-1?q:0-q|0)|0;t=r;break}}else{s=k+p|0;t=k+q|0}while(0);q=(t|0)==0;p=(s|0)==0;r=f[a+8>>2]|0;if(!(s|t)){u=r;v=r;f[c>>2]=u;f[d>>2]=v;return}a=(r|0)==(s|0);if(q&a){u=s;v=s;f[c>>2]=u;f[d>>2]=v;return}o=(r|0)==(t|0);if(p&o){u=t;v=t;f[c>>2]=u;f[d>>2]=v;return}if(q&(k|0)<(s|0)){u=0;v=(k<<1)-s|0;f[c>>2]=u;f[d>>2]=v;return}if(o&(k|0)>(s|0)){u=t;v=(k<<1)-s|0;f[c>>2]=u;f[d>>2]=v;return}if(a&(k|0)>(t|0)){u=(k<<1)-t|0;v=s;f[c>>2]=u;f[d>>2]=v;return}if(!p){u=t;v=s;f[c>>2]=u;f[d>>2]=v;return}u=(k|0)<(t|0)?(k<<1)-t|0:t;v=0;f[c>>2]=u;f[d>>2]=v;return}function sf(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+32|0;h=g+12|0;i=g;f[a>>2]=f[d>>2];d=a+4|0;f[d>>2]=(f[c>>2]|0)-(f[b>>2]|0);j=e+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)?(k=e+4|0,f[i>>2]=f[k>>2],f[h>>2]=f[i>>2],Me(e,h,a,a+4|0)|0,l=j,j=f[l+4>>2]|0,!((j|0)>0|(j|0)==0&(f[l>>2]|0)>>>0>0)):0){f[i>>2]=f[k>>2];f[h>>2]=f[i>>2];Me(e,h,d,d+4|0)|0;m=i}else m=i;if(!(f[d>>2]|0)){u=g;return 1}d=a+12|0;Gg(d);m=a+1068|0;Mm(m);k=a+1088|0;Mm(k);l=a+1108|0;Mm(l);f[i>>2]=f[b>>2];f[i+4>>2]=f[b+4>>2];f[i+8>>2]=f[b+8>>2];f[h>>2]=f[c>>2];f[h+4>>2]=f[c+4>>2];f[h+8>>2]=f[c+8>>2];ib(a,i,h);Ye(d,e);Bg(m,e);Bg(k,e);Bg(l,e);u=g;return 1}function tf(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+32|0;h=g+12|0;i=g;f[a>>2]=f[d>>2];d=a+4|0;f[d>>2]=(f[c>>2]|0)-(f[b>>2]|0);j=e+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)?(k=e+4|0,f[i>>2]=f[k>>2],f[h>>2]=f[i>>2],Me(e,h,a,a+4|0)|0,l=j,j=f[l+4>>2]|0,!((j|0)>0|(j|0)==0&(f[l>>2]|0)>>>0>0)):0){f[i>>2]=f[k>>2];f[h>>2]=f[i>>2];Me(e,h,d,d+4|0)|0;m=i}else m=i;if(!(f[d>>2]|0)){u=g;return 1}d=a+12|0;Gg(d);m=a+1068|0;Mm(m);k=a+1088|0;Mm(k);l=a+1108|0;Mm(l);f[i>>2]=f[b>>2];f[i+4>>2]=f[b+4>>2];f[i+8>>2]=f[b+8>>2];f[h>>2]=f[c>>2];f[h+4>>2]=f[c+4>>2];f[h+8>>2]=f[c+8>>2];kb(a,i,h);Ye(d,e);Bg(m,e);Bg(k,e);Bg(l,e);u=g;return 1}function uf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;c=u;u=u+32|0;d=c;e=a+8|0;g=f[e>>2]|0;h=a+4|0;i=f[h>>2]|0;j=i;if(g-i>>2>>>0>=b>>>0){sj(i|0,0,b<<2|0)|0;f[h>>2]=i+(b<<2);u=c;return}k=f[a>>2]|0;l=i-k>>2;m=l+b|0;n=k;if(m>>>0>1073741823)aq(a);o=g-k|0;p=o>>1;q=o>>2>>>0<536870911?(p>>>0>>0?m:p):1073741823;f[d+12>>2]=0;f[d+16>>2]=a+8;do if(q)if(q>>>0>1073741823){p=ra(8)|0;Oo(p,16035);f[p>>2]=7256;va(p|0,1112,110)}else{r=ln(q<<2)|0;break}else r=0;while(0);f[d>>2]=r;p=r+(l<<2)|0;l=d+8|0;m=d+4|0;f[m>>2]=p;o=r+(q<<2)|0;q=d+12|0;f[q>>2]=o;r=p+(b<<2)|0;sj(p|0,0,b<<2|0)|0;f[l>>2]=r;if((j|0)==(n|0)){s=p;t=q;v=l;w=k;x=r;y=i;z=o;A=g}else{g=j;j=p;do{g=g+-4|0;p=f[g>>2]|0;f[g>>2]=0;f[j+-4>>2]=p;j=(f[m>>2]|0)+-4|0;f[m>>2]=j}while((g|0)!=(n|0));s=j;t=q;v=l;w=f[a>>2]|0;x=f[l>>2]|0;y=f[h>>2]|0;z=f[q>>2]|0;A=f[e>>2]|0}f[a>>2]=s;f[m>>2]=w;f[h>>2]=x;f[v>>2]=y;f[e>>2]=z;f[t>>2]=A;f[d>>2]=w;ki(d);u=c;return}function vf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;d=f[a+8>>2]|0;e=a+76|0;g=f[e>>2]|0;h=f[g+80>>2]|0;b[c+84>>0]=0;i=c+68|0;j=c+72|0;k=f[j>>2]|0;l=f[i>>2]|0;m=k-l>>2;n=l;l=k;if(h>>>0<=m>>>0)if(h>>>0>>0?(k=n+(h<<2)|0,(k|0)!=(l|0)):0){f[j>>2]=l+(~((l+-4-k|0)>>>2)<<2);o=g;p=h}else{o=g;p=h}else{Ch(i,h-m|0,3600);m=f[e>>2]|0;o=m;p=f[m+80>>2]|0}m=(f[o+100>>2]|0)-(f[o+96>>2]|0)|0;e=(m|0)/12|0;if(!m){q=1;return q|0}m=a+80|0;a=c+68|0;c=f[o+96>>2]|0;o=0;while(1){h=o*3|0;if((h|0)==-1)r=-1;else r=f[(f[d>>2]|0)+(h<<2)>>2]|0;i=f[(f[m>>2]|0)+12>>2]|0;g=f[i+(r<<2)>>2]|0;if(g>>>0>=p>>>0){q=0;s=12;break}k=f[a>>2]|0;f[k+(f[c+(o*12|0)>>2]<<2)>>2]=g;g=h+1|0;if((g|0)==-1)t=-1;else t=f[(f[d>>2]|0)+(g<<2)>>2]|0;g=f[i+(t<<2)>>2]|0;if(g>>>0>=p>>>0){q=0;s=12;break}f[k+(f[c+(o*12|0)+4>>2]<<2)>>2]=g;g=h+2|0;if((g|0)==-1)u=-1;else u=f[(f[d>>2]|0)+(g<<2)>>2]|0;g=f[i+(u<<2)>>2]|0;if(g>>>0>=p>>>0){q=0;s=12;break}f[k+(f[c+(o*12|0)+8>>2]<<2)>>2]=g;o=o+1|0;if(o>>>0>=e>>>0){q=1;s=12;break}}if((s|0)==12)return q|0;return 0}function wf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;d=f[a+8>>2]|0;e=a+112|0;g=f[e>>2]|0;h=f[g+80>>2]|0;b[c+84>>0]=0;i=c+68|0;j=c+72|0;k=f[j>>2]|0;l=f[i>>2]|0;m=k-l>>2;n=l;l=k;if(h>>>0<=m>>>0)if(h>>>0>>0?(k=n+(h<<2)|0,(k|0)!=(l|0)):0){f[j>>2]=l+(~((l+-4-k|0)>>>2)<<2);o=g;p=h}else{o=g;p=h}else{Ch(i,h-m|0,3600);m=f[e>>2]|0;o=m;p=f[m+80>>2]|0}m=(f[o+100>>2]|0)-(f[o+96>>2]|0)|0;e=(m|0)/12|0;if(!m){q=1;return q|0}m=a+116|0;a=c+68|0;c=f[o+96>>2]|0;o=0;while(1){h=o*3|0;if((h|0)==-1)r=-1;else r=f[(f[d>>2]|0)+(h<<2)>>2]|0;i=f[(f[m>>2]|0)+12>>2]|0;g=f[i+(r<<2)>>2]|0;if(g>>>0>=p>>>0){q=0;s=12;break}k=f[a>>2]|0;f[k+(f[c+(o*12|0)>>2]<<2)>>2]=g;g=h+1|0;if((g|0)==-1)t=-1;else t=f[(f[d>>2]|0)+(g<<2)>>2]|0;g=f[i+(t<<2)>>2]|0;if(g>>>0>=p>>>0){q=0;s=12;break}f[k+(f[c+(o*12|0)+4>>2]<<2)>>2]=g;g=h+2|0;if((g|0)==-1)u=-1;else u=f[(f[d>>2]|0)+(g<<2)>>2]|0;g=f[i+(u<<2)>>2]|0;if(g>>>0>=p>>>0){q=0;s=12;break}f[k+(f[c+(o*12|0)+8>>2]<<2)>>2]=g;o=o+1|0;if(o>>>0>=e>>>0){q=1;s=12;break}}if((s|0)==12)return q|0;return 0}function xf(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;d=u;u=u+16|0;h=d;i=f[a+124>>2]|0;if(!i){u=d;return}j=i+-1|0;k=(j&i|0)==0;if(!k)if(i>>>0>g>>>0)l=g;else l=(g>>>0)%(i>>>0)|0;else l=j&g;m=f[(f[a+120>>2]|0)+(l<<2)>>2]|0;if(!m){u=d;return}n=f[m>>2]|0;if(!n){u=d;return}a:do if(k){m=n;while(1){o=f[m+4>>2]|0;p=(o|0)==(g|0);if(!(p|(o&j|0)==(l|0))){q=24;break}if(p?(f[m+8>>2]|0)==(g|0):0){r=m;break a}m=f[m>>2]|0;if(!m){q=24;break}}if((q|0)==24){u=d;return}}else{m=n;while(1){p=f[m+4>>2]|0;if((p|0)==(g|0)){if((f[m+8>>2]|0)==(g|0)){r=m;break a}}else{if(p>>>0>>0)s=p;else s=(p>>>0)%(i>>>0)|0;if((s|0)!=(l|0)){q=24;break}}m=f[m>>2]|0;if(!m){q=24;break}}if((q|0)==24){u=d;return}}while(0);q=f[r+12>>2]|0;if((q|0)==-1){u=d;return}f[h>>2]=q;f[h+4>>2]=c;b[h+8>>0]=e&1;e=a+112|0;c=f[e>>2]|0;if((c|0)==(f[a+116>>2]|0))yi(a+108|0,h);else{f[c>>2]=f[h>>2];f[c+4>>2]=f[h+4>>2];f[c+8>>2]=f[h+8>>2];f[e>>2]=(f[e>>2]|0)+12}u=d;return}function yf(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=d[b>>1]|0;e=d[b+2>>1]|0;g=d[b+4>>1]|0;h=d[b+6>>1]|0;b=((((c^318)&65535)+239^e&65535)+239^g&65535)+239^h&65535;i=f[a+4>>2]|0;if(!i){j=0;return j|0}k=i+-1|0;l=(k&i|0)==0;if(!l)if(b>>>0>>0)m=b;else m=(b>>>0)%(i>>>0)|0;else m=b&k;n=f[(f[a>>2]|0)+(m<<2)>>2]|0;if(!n){j=0;return j|0}a=f[n>>2]|0;if(!a){j=0;return j|0}if(l){l=a;while(1){n=f[l+4>>2]|0;o=(n|0)==(b|0);if(!(o|(n&k|0)==(m|0))){j=0;p=25;break}if((((o?(o=l+8|0,(d[o>>1]|0)==c<<16>>16):0)?(d[o+2>>1]|0)==e<<16>>16:0)?(d[l+12>>1]|0)==g<<16>>16:0)?(d[o+6>>1]|0)==h<<16>>16:0){j=l;p=25;break}l=f[l>>2]|0;if(!l){j=0;p=25;break}}if((p|0)==25)return j|0}else q=a;while(1){a=f[q+4>>2]|0;if((a|0)==(b|0)){l=q+8|0;if((((d[l>>1]|0)==c<<16>>16?(d[l+2>>1]|0)==e<<16>>16:0)?(d[q+12>>1]|0)==g<<16>>16:0)?(d[l+6>>1]|0)==h<<16>>16:0){j=q;p=25;break}}else{if(a>>>0>>0)r=a;else r=(a>>>0)%(i>>>0)|0;if((r|0)!=(m|0)){j=0;p=25;break}}q=f[q>>2]|0;if(!q){j=0;p=25;break}}if((p|0)==25)return j|0;return 0}function zf(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+32|0;h=g+12|0;i=g;f[a>>2]=f[d>>2];d=a+4|0;f[d>>2]=(f[c>>2]|0)-(f[b>>2]|0);j=e+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)?(k=e+4|0,f[i>>2]=f[k>>2],f[h>>2]=f[i>>2],Me(e,h,a,a+4|0)|0,l=j,j=f[l+4>>2]|0,!((j|0)>0|(j|0)==0&(f[l>>2]|0)>>>0>0)):0){f[i>>2]=f[k>>2];f[h>>2]=f[i>>2];Me(e,h,d,d+4|0)|0;m=i}else m=i;if(!(f[d>>2]|0)){u=g;return 1}d=a+12|0;Mm(d);m=a+32|0;Mm(m);k=a+52|0;Mm(k);l=a+72|0;Mm(l);f[i>>2]=f[b>>2];f[i+4>>2]=f[b+4>>2];f[i+8>>2]=f[b+8>>2];f[h>>2]=f[c>>2];f[h+4>>2]=f[c+4>>2];f[h+8>>2]=f[c+8>>2];hb(a,i,h);Bg(d,e);Bg(m,e);Bg(k,e);Bg(l,e);u=g;return 1}function Af(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+32|0;h=g+12|0;i=g;f[a>>2]=f[d>>2];d=a+4|0;f[d>>2]=(f[c>>2]|0)-(f[b>>2]|0);j=e+16|0;k=j;l=f[k+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0)?(k=e+4|0,f[i>>2]=f[k>>2],f[h>>2]=f[i>>2],Me(e,h,a,a+4|0)|0,l=j,j=f[l+4>>2]|0,!((j|0)>0|(j|0)==0&(f[l>>2]|0)>>>0>0)):0){f[i>>2]=f[k>>2];f[h>>2]=f[i>>2];Me(e,h,d,d+4|0)|0;m=i}else m=i;if(!(f[d>>2]|0)){u=g;return 1}d=a+12|0;tk(d);m=a+44|0;Mm(m);k=a+64|0;Mm(k);l=a+84|0;Mm(l);f[i>>2]=f[b>>2];f[i+4>>2]=f[b+4>>2];f[i+8>>2]=f[b+8>>2];f[h>>2]=f[c>>2];f[h+4>>2]=f[c+4>>2];f[h+8>>2]=f[c+8>>2];lb(a,i,h);ld(d,e);Bg(m,e);Bg(k,e);Bg(l,e);u=g;return 1}function Bf(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0;a=u;u=u+16|0;e=a+4|0;g=a;h=a+8|0;i=d+11|0;j=b[i>>0]|0;k=j<<24>>24<0;if(k){l=f[d+4>>2]|0;if(l>>>0>255){m=0;u=a;return m|0}else n=l}else n=j&255;if(!n){b[h>>0]=0;n=c+16|0;l=f[n+4>>2]|0;if(!((l|0)>0|(l|0)==0&(f[n>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];Me(c,e,h,h+1|0)|0}m=1;u=a;return m|0}n=d+4|0;l=f[n>>2]|0;b[h>>0]=k?l:j&255;k=c+16|0;o=k;p=f[o>>2]|0;q=f[o+4>>2]|0;if((q|0)>0|(q|0)==0&p>>>0>0){r=j;s=q;t=p;v=l}else{f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];Me(c,e,h,h+1|0)|0;h=k;r=b[i>>0]|0;s=f[h+4>>2]|0;t=f[h>>2]|0;v=f[n>>2]|0}n=r<<24>>24<0;h=n?f[d>>2]|0:d;if(!((s|0)>0|(s|0)==0&t>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];Me(c,e,h,h+(n?v:r&255)|0)|0}m=1;u=a;return m|0}function Cf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=a+4|0;d=f[a>>2]|0;e=((f[c>>2]|0)-d|0)/24|0;g=e+1|0;if(g>>>0>178956970)aq(a);h=a+8|0;i=((f[h>>2]|0)-d|0)/24|0;d=i<<1;j=i>>>0<89478485?(d>>>0>>0?g:d):178956970;do if(j)if(j>>>0>178956970){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}else{k=ln(j*24|0)|0;break}else k=0;while(0);d=k+(e*24|0)|0;g=d;i=k+(j*24|0)|0;f[d>>2]=1196;f[k+(e*24|0)+4>>2]=f[b+4>>2];fk(k+(e*24|0)+8|0,b+8|0);f[k+(e*24|0)+20>>2]=f[b+20>>2];b=d+24|0;e=f[a>>2]|0;k=f[c>>2]|0;if((k|0)==(e|0)){l=g;m=e;n=e}else{j=k;k=g;g=d;do{f[g+-24>>2]=1196;f[g+-20>>2]=f[j+-20>>2];d=g+-16|0;o=j+-16|0;f[d>>2]=0;p=g+-12|0;f[p>>2]=0;f[g+-8>>2]=0;f[d>>2]=f[o>>2];d=j+-12|0;f[p>>2]=f[d>>2];p=j+-8|0;f[g+-8>>2]=f[p>>2];f[p>>2]=0;f[d>>2]=0;f[o>>2]=0;f[g+-4>>2]=f[j+-4>>2];j=j+-24|0;g=k+-24|0;k=g}while((j|0)!=(e|0));l=k;m=f[a>>2]|0;n=f[c>>2]|0}f[a>>2]=l;f[c>>2]=b;f[h>>2]=i;i=m;if((n|0)!=(i|0)){h=n;do{h=h+-24|0;Va[f[f[h>>2]>>2]&127](h)}while((h|0)!=(i|0))}if(!m)return;Oq(m);return}function Df(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+32|0;d=c+24|0;e=c+16|0;g=c+8|0;h=c;f[a>>2]=3588;f[a+4>>2]=f[b+4>>2];i=a+8|0;j=b+8|0;f[i>>2]=0;k=a+12|0;f[k>>2]=0;l=a+16|0;f[l>>2]=0;m=b+12|0;n=f[m>>2]|0;do if(n|0)if((n|0)<0)aq(i);else{o=((n+-1|0)>>>5)+1|0;p=ln(o<<2)|0;f[i>>2]=p;f[k>>2]=0;f[l>>2]=o;o=f[j>>2]|0;f[g>>2]=o;f[g+4>>2]=0;p=f[m>>2]|0;f[h>>2]=o+(p>>>5<<2);f[h+4>>2]=p&31;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[d>>2]=f[h>>2];f[d+4>>2]=f[h+4>>2];Tf(i,e,d);break}while(0);i=a+20|0;f[i>>2]=0;m=a+24|0;f[m>>2]=0;j=a+28|0;f[j>>2]=0;a=b+24|0;l=f[a>>2]|0;if(!l){u=c;return}if((l|0)<0)aq(i);k=((l+-1|0)>>>5)+1|0;l=ln(k<<2)|0;f[i>>2]=l;f[m>>2]=0;f[j>>2]=k;k=f[b+20>>2]|0;f[g>>2]=k;f[g+4>>2]=0;b=f[a>>2]|0;f[h>>2]=k+(b>>>5<<2);f[h+4>>2]=b&31;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[d>>2]=f[h>>2];f[d+4>>2]=f[h+4>>2];Tf(i,e,d);u=c;return}function Ef(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=b[c>>0]|0;e=b[c+1>>0]|0;g=b[c+2>>0]|0;h=b[c+3>>0]|0;c=(((d&255^318)+239^e&255)+239^g&255)+239^h&255;i=f[a+4>>2]|0;if(!i){j=0;return j|0}k=i+-1|0;l=(k&i|0)==0;if(!l)if(c>>>0>>0)m=c;else m=(c>>>0)%(i>>>0)|0;else m=c&k;n=f[(f[a>>2]|0)+(m<<2)>>2]|0;if(!n){j=0;return j|0}a=f[n>>2]|0;if(!a){j=0;return j|0}if(l){l=a;while(1){n=f[l+4>>2]|0;o=(n|0)==(c|0);if(!(o|(n&k|0)==(m|0))){j=0;p=25;break}if((((o?(o=l+8|0,(b[o>>0]|0)==d<<24>>24):0)?(b[o+1>>0]|0)==e<<24>>24:0)?(b[o+2>>0]|0)==g<<24>>24:0)?(b[o+3>>0]|0)==h<<24>>24:0){j=l;p=25;break}l=f[l>>2]|0;if(!l){j=0;p=25;break}}if((p|0)==25)return j|0}else q=a;while(1){a=f[q+4>>2]|0;if((a|0)==(c|0)){l=q+8|0;if((((b[l>>0]|0)==d<<24>>24?(b[l+1>>0]|0)==e<<24>>24:0)?(b[l+2>>0]|0)==g<<24>>24:0)?(b[l+3>>0]|0)==h<<24>>24:0){j=q;p=25;break}}else{if(a>>>0>>0)r=a;else r=(a>>>0)%(i>>>0)|0;if((r|0)!=(m|0)){j=0;p=25;break}}q=f[q>>2]|0;if(!q){j=0;p=25;break}}if((p|0)==25)return j|0;return 0}function Ff(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+32|0;d=c+24|0;e=c+16|0;g=c+8|0;h=c;f[a>>2]=3636;f[a+4>>2]=f[b+4>>2];i=a+8|0;j=b+8|0;f[i>>2]=0;k=a+12|0;f[k>>2]=0;l=a+16|0;f[l>>2]=0;m=b+12|0;n=f[m>>2]|0;do if(n|0)if((n|0)<0)aq(i);else{o=((n+-1|0)>>>5)+1|0;p=ln(o<<2)|0;f[i>>2]=p;f[k>>2]=0;f[l>>2]=o;o=f[j>>2]|0;f[g>>2]=o;f[g+4>>2]=0;p=f[m>>2]|0;f[h>>2]=o+(p>>>5<<2);f[h+4>>2]=p&31;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[d>>2]=f[h>>2];f[d+4>>2]=f[h+4>>2];Tf(i,e,d);break}while(0);i=a+20|0;f[i>>2]=0;m=a+24|0;f[m>>2]=0;j=a+28|0;f[j>>2]=0;a=b+24|0;l=f[a>>2]|0;if(!l){u=c;return}if((l|0)<0)aq(i);k=((l+-1|0)>>>5)+1|0;l=ln(k<<2)|0;f[i>>2]=l;f[m>>2]=0;f[j>>2]=k;k=f[b+20>>2]|0;f[g>>2]=k;f[g+4>>2]=0;b=f[a>>2]|0;f[h>>2]=k+(b>>>5<<2);f[h+4>>2]=b&31;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[d>>2]=f[h>>2];f[d+4>>2]=f[h+4>>2];Tf(i,e,d);u=c;return}function Gf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;d=u;u=u+32|0;h=d+24|0;i=d+16|0;j=d;k=d+8|0;l=a+40|0;f[a+44>>2]=g;g=a+36|0;m=f[g>>2]|0;n=f[m+4>>2]|0;o=f[m>>2]|0;p=n-o|0;if((p|0)<=0){u=d;return 1}q=(p>>>2)+-1|0;p=a+8|0;r=a+48|0;s=a+52|0;a=i+4|0;t=j+4|0;v=h+4|0;if(n-o>>2>>>0>q>>>0){w=q;x=o}else{y=m;aq(y)}while(1){f[k>>2]=f[x+(w<<2)>>2];f[h>>2]=f[k>>2];ub(l,h,b,w);m=X(w,e)|0;o=b+(m<<2)|0;q=c+(m<<2)|0;m=f[o+4>>2]|0;n=f[r>>2]|0;z=f[s>>2]|0;f[i>>2]=f[o>>2];f[a>>2]=m;f[j>>2]=n;f[t>>2]=z;Od(h,p,i,j);f[q>>2]=f[h>>2];f[q+4>>2]=f[v>>2];w=w+-1|0;if((w|0)<=-1){A=3;break}q=f[g>>2]|0;x=f[q>>2]|0;if((f[q+4>>2]|0)-x>>2>>>0<=w>>>0){y=q;A=4;break}}if((A|0)==3){u=d;return 1}else if((A|0)==4)aq(y);return 0}function Hf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0;h=u;u=u+32|0;i=h;j=h+16|0;k=f[(f[(f[b+4>>2]|0)+8>>2]|0)+(d<<2)>>2]|0;do if((c+-1|0)>>>0<6&(Qa[f[(f[b>>2]|0)+8>>2]&127](b)|0)==1){l=Qa[f[(f[b>>2]|0)+48>>2]&127](b)|0;m=Ra[f[(f[b>>2]|0)+56>>2]&127](b,d)|0;if((l|0)==0|(m|0)==0){f[a>>2]=0;u=h;return}n=Ra[f[(f[b>>2]|0)+52>>2]&127](b,d)|0;if(!n){f[i>>2]=f[b+52>>2];f[i+4>>2]=l;f[i+12>>2]=m;f[i+8>>2]=m+12;Cd(a,j,c,k,e,i,g);if(!(f[a>>2]|0)){f[a>>2]=0;break}u=h;return}else{f[i>>2]=f[b+52>>2];f[i+4>>2]=n;f[i+12>>2]=m;f[i+8>>2]=m+12;Ad(a,j,c,k,e,i,g);if(!(f[a>>2]|0)){f[a>>2]=0;break}u=h;return}}while(0);f[a>>2]=0;u=h;return}function If(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;d=u;u=u+32|0;h=d+24|0;i=d+16|0;j=d;k=d+8|0;l=a+40|0;f[a+44>>2]=g;g=a+36|0;m=f[g>>2]|0;n=f[m+4>>2]|0;o=f[m>>2]|0;p=n-o|0;if((p|0)<=0){u=d;return 1}q=(p>>>2)+-1|0;p=a+8|0;r=a+48|0;s=a+52|0;a=i+4|0;t=j+4|0;v=h+4|0;if(n-o>>2>>>0>q>>>0){w=q;x=o}else{y=m;aq(y)}while(1){f[k>>2]=f[x+(w<<2)>>2];f[h>>2]=f[k>>2];tb(l,h,b,w);m=X(w,e)|0;o=b+(m<<2)|0;q=c+(m<<2)|0;m=f[o+4>>2]|0;n=f[r>>2]|0;z=f[s>>2]|0;f[i>>2]=f[o>>2];f[a>>2]=m;f[j>>2]=n;f[t>>2]=z;Od(h,p,i,j);f[q>>2]=f[h>>2];f[q+4>>2]=f[v>>2];w=w+-1|0;if((w|0)<=-1){A=3;break}q=f[g>>2]|0;x=f[q>>2]|0;if((f[q+4>>2]|0)-x>>2>>>0<=w>>>0){y=q;A=4;break}}if((A|0)==3){u=d;return 1}else if((A|0)==4)aq(y);return 0}function Jf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;d=f[b>>2]|0;b=f[c>>2]|0;e=b-d>>2;g=a+8|0;h=f[g>>2]|0;i=f[a>>2]|0;j=i;k=b;if(e>>>0<=h-i>>2>>>0){l=a+4|0;m=(f[l>>2]|0)-i>>2;n=e>>>0>m>>>0;o=n?d+(m<<2)|0:b;b=o-d|0;m=b>>2;if(m|0)im(i|0,d|0,b|0)|0;b=j+(m<<2)|0;if(!n){n=f[l>>2]|0;if((n|0)==(b|0))return;f[l>>2]=n+(~((n+-4-b|0)>>>2)<<2);return}b=f[c>>2]|0;c=o;if((b|0)==(c|0))return;n=f[l>>2]|0;m=b+-4-o|0;o=c;c=n;while(1){f[c>>2]=f[o>>2];o=o+4|0;if((o|0)==(b|0))break;else c=c+4|0}f[l>>2]=n+((m>>>2)+1<<2);return}m=i;if(!i)p=h;else{h=a+4|0;n=f[h>>2]|0;if((n|0)!=(j|0))f[h>>2]=n+(~((n+-4-i|0)>>>2)<<2);Oq(m);f[g>>2]=0;f[h>>2]=0;f[a>>2]=0;p=0}if(e>>>0>1073741823)aq(a);h=p>>1;m=p>>2>>>0<536870911?(h>>>0>>0?e:h):1073741823;if(m>>>0>1073741823)aq(a);h=ln(m<<2)|0;e=a+4|0;f[e>>2]=h;f[a>>2]=h;f[g>>2]=h+(m<<2);m=d;if((k|0)==(m|0))return;g=k+-4-d|0;d=m;m=h;while(1){f[m>>2]=f[d>>2];d=d+4|0;if((d|0)==(k|0))break;else m=m+4|0}f[e>>2]=h+((g>>>2)+1<<2);return}function Kf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;h=g;if(((d-g|0)/12|0)>>>0>=b>>>0){sj(g|0,0,b*12|0)|0;f[e>>2]=h+(b*12|0);return}i=f[a>>2]|0;j=(g-i|0)/12|0;g=j+b|0;k=i;if(g>>>0>357913941)aq(a);l=(d-i|0)/12|0;d=l<<1;m=l>>>0<178956970?(d>>>0>>0?g:d):357913941;do if(m)if(m>>>0>357913941){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}else{n=ln(m*12|0)|0;break}else n=0;while(0);d=n+(j*12|0)|0;j=d;g=n+(m*12|0)|0;sj(d|0,0,b*12|0)|0;m=d+(b*12|0)|0;if((h|0)==(k|0)){o=j;p=i;q=h}else{i=h;h=j;j=d;do{d=j+-12|0;b=i;i=i+-12|0;f[d>>2]=0;n=j+-8|0;f[n>>2]=0;f[j+-4>>2]=0;f[d>>2]=f[i>>2];d=b+-8|0;f[n>>2]=f[d>>2];n=b+-4|0;f[j+-4>>2]=f[n>>2];f[n>>2]=0;f[d>>2]=0;f[i>>2]=0;j=h+-12|0;h=j}while((i|0)!=(k|0));o=h;p=f[a>>2]|0;q=f[e>>2]|0}f[a>>2]=o;f[e>>2]=m;f[c>>2]=g;g=p;if((q|0)!=(g|0)){c=q;do{q=c;c=c+-12|0;m=f[c>>2]|0;if(m|0){e=q+-8|0;q=f[e>>2]|0;if((q|0)!=(m|0))f[e>>2]=q+(~((q+-4-m|0)>>>2)<<2);Oq(m)}}while((c|0)!=(g|0))}if(!p)return;Oq(p);return}function Lf(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;b=u;u=u+16|0;c=b+4|0;d=b;e=a+8|0;g=f[e>>2]|0;gk(f[a+4>>2]|0,(f[g+28>>2]|0)-(f[g+24>>2]|0)>>2);g=a+100|0;h=f[e>>2]|0;i=(f[h+28>>2]|0)-(f[h+24>>2]|0)>>2;f[c>>2]=0;h=a+104|0;j=f[h>>2]|0;k=f[g>>2]|0;l=j-k>>2;m=k;k=j;if(i>>>0<=l>>>0){if(i>>>0>>0?(j=m+(i<<2)|0,(j|0)!=(k|0)):0)f[h>>2]=k+(~((k+-4-j|0)>>>2)<<2)}else Ch(g,i-l|0,c);l=a+120|0;a=f[l>>2]|0;if(!a){i=f[e>>2]|0;g=(f[i+4>>2]|0)-(f[i>>2]|0)>>2;i=(g>>>0)/3|0;if(g>>>0<=2){u=b;return 1}g=0;do{f[d>>2]=g*3;f[c>>2]=f[d>>2];wb(e,c);g=g+1|0}while((g|0)<(i|0));u=b;return 1}else{i=f[a>>2]|0;if((f[a+4>>2]|0)==(i|0)){u=b;return 1}a=0;g=i;do{f[d>>2]=f[g+(a<<2)>>2];f[c>>2]=f[d>>2];wb(e,c);a=a+1|0;i=f[l>>2]|0;g=f[i>>2]|0}while(a>>>0<(f[i+4>>2]|0)-g>>2>>>0);u=b;return 1}return 0}function Mf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-4194304|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-4177920|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+4194304|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1077936128|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Gn(e);yh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;im(h+a|0,h|0,o|0)|0;kh(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Vn(a|0,0,o|0,k|0)|0;k=Vn(h|0,I|0,g|0,j|0)|0;Cl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)Oq(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;Oq(c);u=d;return}function Nf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-2097152|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-2080768|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+6291456|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1075838976|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Gn(e);yh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;im(h+a|0,h|0,o|0)|0;kh(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Vn(a|0,0,o|0,k|0)|0;k=Vn(h|0,I|0,g|0,j|0)|0;Cl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)Oq(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;Oq(c);u=d;return}function Of(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-1048576|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1032192|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+7340032|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1074790400|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Gn(e);yh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;im(h+a|0,h|0,o|0)|0;kh(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Vn(a|0,0,o|0,k|0)|0;k=Vn(h|0,I|0,g|0,j|0)|0;Cl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)Oq(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;Oq(c);u=d;return}function Pf(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;a=u;u=u+96|0;j=a;if(!c){k=-1;u=a;return k|0}Tm(j);Jj(j,d,0,g&255,i,0,g<<1,0,0,0);i=jf(c,j,1,e)|0;d=f[(f[c+8>>2]|0)+(i<<2)>>2]|0;if(e|0){l=d+84|0;m=d+68|0;n=d+40|0;o=d+64|0;d=0;do{if(!(b[l>>0]|0))p=f[(f[m>>2]|0)+(d<<2)>>2]|0;else p=d;q=h+((X(d,g)|0)<<1)|0;r=n;s=f[r>>2]|0;t=un(s|0,f[r+4>>2]|0,p|0,0)|0;kh((f[f[o>>2]>>2]|0)+t|0,q|0,s|0)|0;d=d+1|0}while((d|0)!=(e|0))}d=c+80|0;c=f[d>>2]|0;if(c)if((c|0)==(e|0))v=10;else w=-1;else{f[d>>2]=e;v=10}if((v|0)==10)w=i;i=j+88|0;v=f[i>>2]|0;f[i>>2]=0;if(v|0){i=f[v+8>>2]|0;if(i|0){e=v+12|0;if((f[e>>2]|0)!=(i|0))f[e>>2]=i;Oq(i)}Oq(v)}v=f[j+68>>2]|0;if(v|0){i=j+72|0;e=f[i>>2]|0;if((e|0)!=(v|0))f[i>>2]=e+(~((e+-4-v|0)>>>2)<<2);Oq(v)}v=j+64|0;j=f[v>>2]|0;f[v>>2]=0;if(j|0){v=f[j>>2]|0;if(v|0){e=j+4|0;if((f[e>>2]|0)!=(v|0))f[e>>2]=v;Oq(v)}Oq(j)}k=w;u=a;return k|0}function Qf(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;a=u;u=u+96|0;j=a;if(!c){k=-1;u=a;return k|0}Tm(j);Jj(j,d,0,g&255,i,0,g<<2,0,0,0);i=jf(c,j,1,e)|0;d=f[(f[c+8>>2]|0)+(i<<2)>>2]|0;if(e|0){l=d+84|0;m=d+68|0;n=d+40|0;o=d+64|0;d=0;do{if(!(b[l>>0]|0))p=f[(f[m>>2]|0)+(d<<2)>>2]|0;else p=d;q=h+((X(d,g)|0)<<2)|0;r=n;s=f[r>>2]|0;t=un(s|0,f[r+4>>2]|0,p|0,0)|0;kh((f[f[o>>2]>>2]|0)+t|0,q|0,s|0)|0;d=d+1|0}while((d|0)!=(e|0))}d=c+80|0;c=f[d>>2]|0;if(c)if((c|0)==(e|0))v=10;else w=-1;else{f[d>>2]=e;v=10}if((v|0)==10)w=i;i=j+88|0;v=f[i>>2]|0;f[i>>2]=0;if(v|0){i=f[v+8>>2]|0;if(i|0){e=v+12|0;if((f[e>>2]|0)!=(i|0))f[e>>2]=i;Oq(i)}Oq(v)}v=f[j+68>>2]|0;if(v|0){i=j+72|0;e=f[i>>2]|0;if((e|0)!=(v|0))f[i>>2]=e+(~((e+-4-v|0)>>>2)<<2);Oq(v)}v=j+64|0;j=f[v>>2]|0;f[v>>2]=0;if(j|0){v=f[j>>2]|0;if(v|0){e=j+4|0;if((f[e>>2]|0)!=(v|0))f[e>>2]=v;Oq(v)}Oq(j)}k=w;u=a;return k|0}function Rf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-262144|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-245760|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+8126464|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1074003968|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Gn(e);yh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;im(h+a|0,h|0,o|0)|0;kh(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Vn(a|0,0,o|0,k|0)|0;k=Vn(h|0,I|0,g|0,j|0)|0;Cl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)Oq(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;Oq(c);u=d;return}function Sf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-131072|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-114688|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+8257536|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1073872896|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Gn(e);yh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;im(h+a|0,h|0,o|0)|0;kh(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Vn(a|0,0,o|0,k|0)|0;k=Vn(h|0,I|0,g|0,j|0)|0;Cl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)Oq(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;Oq(c);u=d;return}function Tf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0;d=u;u=u+48|0;e=d+40|0;g=d+32|0;h=d+8|0;i=d;j=d+24|0;k=d+16|0;l=a+4|0;m=f[l>>2]|0;n=b;b=f[n>>2]|0;o=f[n+4>>2]|0;n=c;c=f[n>>2]|0;p=f[n+4>>2]|0;n=c-b<<3;f[l>>2]=m-o+p+n;l=(f[a>>2]|0)+(m>>>5<<2)|0;a=m&31;m=l;if((a|0)!=(o|0)){q=h;f[q>>2]=b;f[q+4>>2]=o;q=i;f[q>>2]=c;f[q+4>>2]=p;f[j>>2]=m;f[j+4>>2]=a;f[g>>2]=f[h>>2];f[g+4>>2]=f[h+4>>2];f[e>>2]=f[i>>2];f[e+4>>2]=f[i+4>>2];we(k,g,e,j);u=d;return}j=p-o+n|0;n=b;if((j|0)>0){if(!o){r=j;s=0;t=l;v=b;w=n}else{b=32-o|0;p=(j|0)<(b|0)?j:b;e=-1>>>(b-p|0)&-1<>2]=f[l>>2]&~e|f[n>>2]&e;e=p+o|0;b=n+4|0;r=j-p|0;s=e&31;t=l+(e>>>5<<2)|0;v=b;w=b}b=(r|0)/32|0;im(t|0,v|0,b<<2|0)|0;v=r-(b<<5)|0;r=t+(b<<2)|0;t=r;if((v|0)>0){e=-1>>>(32-v|0);f[r>>2]=f[r>>2]&~e|f[w+(b<<2)>>2]&e;x=v;y=t}else{x=s;y=t}}else{x=o;y=m}f[k>>2]=y;f[k+4>>2]=x;u=d;return}function Uf(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-32768|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-16384|0;b[m>>0]=n;b[m+1>>0]=n>>>8;o=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;n=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+8355840|0;b[n>>0]=m;b[n+1>>0]=m>>>8;b[n+2>>0]=m>>>16;o=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;n=j+-1073774592|0;b[m>>0]=n;b[m+1>>0]=n>>>8;b[m+2>>0]=n>>>16;b[m+3>>0]=n>>>24;o=(f[l>>2]|0)+4|0;break}else{o=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;o=(f[l>>2]|0)+1|0}while(0);k=((o|0)<0)<<31>>31;Gn(e);yh(o,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;im(h+a|0,h|0,o|0)|0;kh(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Vn(a|0,0,o|0,k|0)|0;k=Vn(h|0,I|0,g|0,j|0)|0;Cl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)Oq(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;Oq(c);u=d;return}function Vf(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=f[b>>2]|0;d=f[b+4>>2]|0;e=f[b+8>>2]|0;g=f[b+12>>2]|0;b=(((c^318)+239^d)+239^e)+239^g;h=f[a+4>>2]|0;if(!h){i=0;return i|0}j=h+-1|0;k=(j&h|0)==0;if(!k)if(b>>>0>>0)l=b;else l=(b>>>0)%(h>>>0)|0;else l=b&j;m=f[(f[a>>2]|0)+(l<<2)>>2]|0;if(!m){i=0;return i|0}a=f[m>>2]|0;if(!a){i=0;return i|0}if(k){k=a;while(1){m=f[k+4>>2]|0;n=(m|0)==(b|0);if(!(n|(m&j|0)==(l|0))){i=0;o=25;break}if((((n?(f[k+8>>2]|0)==(c|0):0)?(f[k+12>>2]|0)==(d|0):0)?(f[k+16>>2]|0)==(e|0):0)?(f[k+20>>2]|0)==(g|0):0){i=k;o=25;break}k=f[k>>2]|0;if(!k){i=0;o=25;break}}if((o|0)==25)return i|0}else p=a;while(1){a=f[p+4>>2]|0;if((a|0)==(b|0)){if((((f[p+8>>2]|0)==(c|0)?(f[p+12>>2]|0)==(d|0):0)?(f[p+16>>2]|0)==(e|0):0)?(f[p+20>>2]|0)==(g|0):0){i=p;o=25;break}}else{if(a>>>0>>0)q=a;else q=(a>>>0)%(h>>>0)|0;if((q|0)!=(l|0)){i=0;o=25;break}}p=f[p>>2]|0;if(!p){i=0;o=25;break}}if((o|0)==25)return i|0;return 0}function Wf(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;a=u;u=u+96|0;j=a;if(!c){k=-1;u=a;return k|0}Tm(j);Jj(j,d,0,g&255,i,0,g,0,0,0);i=jf(c,j,1,e)|0;d=f[(f[c+8>>2]|0)+(i<<2)>>2]|0;if(e|0){l=d+84|0;m=d+68|0;n=d+40|0;o=d+64|0;d=0;do{if(!(b[l>>0]|0))p=f[(f[m>>2]|0)+(d<<2)>>2]|0;else p=d;q=h+(X(d,g)|0)|0;r=n;s=f[r>>2]|0;t=un(s|0,f[r+4>>2]|0,p|0,0)|0;kh((f[f[o>>2]>>2]|0)+t|0,q|0,s|0)|0;d=d+1|0}while((d|0)!=(e|0))}d=c+80|0;c=f[d>>2]|0;if(c)if((c|0)==(e|0))v=10;else w=-1;else{f[d>>2]=e;v=10}if((v|0)==10)w=i;i=j+88|0;v=f[i>>2]|0;f[i>>2]=0;if(v|0){i=f[v+8>>2]|0;if(i|0){e=v+12|0;if((f[e>>2]|0)!=(i|0))f[e>>2]=i;Oq(i)}Oq(v)}v=f[j+68>>2]|0;if(v|0){i=j+72|0;e=f[i>>2]|0;if((e|0)!=(v|0))f[i>>2]=e+(~((e+-4-v|0)>>>2)<<2);Oq(v)}v=j+64|0;j=f[v>>2]|0;f[v>>2]=0;if(j|0){v=f[j>>2]|0;if(v|0){e=j+4|0;if((f[e>>2]|0)!=(v|0))f[e>>2]=v;Oq(v)}Oq(j)}k=w;u=a;return k|0}function Xf(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0;h=u;u=u+32|0;i=h;j=h+16|0;k=f[(f[(f[b+4>>2]|0)+8>>2]|0)+(d<<2)>>2]|0;do if((c+-1|0)>>>0<6&(Qa[f[(f[b>>2]|0)+8>>2]&127](b)|0)==1){l=Qa[f[(f[b>>2]|0)+48>>2]&127](b)|0;m=Ra[f[(f[b>>2]|0)+56>>2]&127](b,d)|0;if((l|0)==0|(m|0)==0){f[a>>2]=0;u=h;return}n=Ra[f[(f[b>>2]|0)+52>>2]&127](b,d)|0;if(!n){f[i>>2]=f[b+52>>2];f[i+4>>2]=l;f[i+12>>2]=m;f[i+8>>2]=m+12;qd(a,j,c,k,e,i,g);if(!(f[a>>2]|0)){f[a>>2]=0;break}u=h;return}else{f[i>>2]=f[b+52>>2];f[i+4>>2]=n;f[i+12>>2]=m;f[i+8>>2]=m+12;pd(a,j,c,k,e,i,g);if(!(f[a>>2]|0)){f[a>>2]=0;break}u=h;return}}while(0);f[a>>2]=0;u=h;return}function Yf(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;e=f[d>>2]|0;g=f[d+4>>2]|0;if((e|0)==(g|0)){h=0;i=a+12|0;j=a+8|0}else{d=f[c>>2]|0;c=a+8|0;k=a+12|0;a=0;l=e;while(1){e=f[l>>2]|0;m=f[d+(e<<2)>>2]|0;if(m>>>0>>0)n=a;else{o=f[c>>2]|0;p=(f[k>>2]|0)-o|0;q=o;if((p|0)>0){o=p>>>2;p=0;do{r=f[q+(p<<2)>>2]|0;s=f[r+68>>2]|0;if(!(b[r+84>>0]|0))t=f[s+(e<<2)>>2]|0;else t=e;f[s+(m<<2)>>2]=t;p=p+1|0}while((p|0)<(o|0))}n=m+1|0}l=l+4|0;if((l|0)==(g|0)){h=n;i=k;j=c;break}else a=n}}n=f[i>>2]|0;a=f[j>>2]|0;if((n-a|0)>0){u=0;v=a;w=n}else return;while(1){n=f[v+(u<<2)>>2]|0;b[n+84>>0]=0;a=n+68|0;c=n+72|0;n=f[c>>2]|0;k=f[a>>2]|0;g=n-k>>2;l=k;k=n;if(h>>>0<=g>>>0)if(h>>>0>>0?(n=l+(h<<2)|0,(n|0)!=(k|0)):0){f[c>>2]=k+(~((k+-4-n|0)>>>2)<<2);x=v;y=w}else{x=v;y=w}else{Ch(a,h-g|0,6220);x=f[j>>2]|0;y=f[i>>2]|0}u=u+1|0;if((u|0)>=(y-x>>2|0))break;else{v=x;w=y}}return}function Zf(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=b;e=c-d>>2;g=a+8|0;h=f[g>>2]|0;i=f[a>>2]|0;j=i;if(e>>>0<=h-i>>2>>>0){k=a+4|0;l=(f[k>>2]|0)-i>>2;m=e>>>0>l>>>0;n=b+(l<<2)|0;l=m?n:c;o=l;p=o-d|0;q=p>>2;if(q|0)im(i|0,b|0,p|0)|0;p=j+(q<<2)|0;if(!m){m=f[k>>2]|0;if((m|0)==(p|0))return;f[k>>2]=m+(~((m+-4-p|0)>>>2)<<2);return}if((l|0)==(c|0))return;l=f[k>>2]|0;p=((c+-4-o|0)>>>2)+1|0;o=n;n=l;while(1){f[n>>2]=f[o>>2];o=o+4|0;if((o|0)==(c|0))break;else n=n+4|0}f[k>>2]=l+(p<<2);return}p=i;if(!i)r=h;else{h=a+4|0;l=f[h>>2]|0;if((l|0)!=(j|0))f[h>>2]=l+(~((l+-4-i|0)>>>2)<<2);Oq(p);f[g>>2]=0;f[h>>2]=0;f[a>>2]=0;r=0}if(e>>>0>1073741823)aq(a);h=r>>1;p=r>>2>>>0<536870911?(h>>>0>>0?e:h):1073741823;if(p>>>0>1073741823)aq(a);h=ln(p<<2)|0;e=a+4|0;f[e>>2]=h;f[a>>2]=h;f[g>>2]=h+(p<<2);if((b|0)==(c|0))return;p=((c+-4-d|0)>>>2)+1|0;d=b;b=h;while(1){f[b>>2]=f[d>>2];d=d+4|0;if((d|0)==(c|0))break;else b=b+4|0}f[e>>2]=h+(p<<2);return}function _f(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=u;u=u+32|0;e=d;g=a+40|0;h=(f[c>>2]|0)+(f[g>>2]|0)|0;i=a+24|0;j=f[a+32>>2]|0;k=j+-16384|0;do if(k>>>0>=64){if(k>>>0<16384){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;b[m>>0]=j;b[m+1>>0]=j>>>8;n=(f[l>>2]|0)+2|0;break}if(k>>>0<4194304){l=a+28|0;m=(f[i>>2]|0)+(f[l>>2]|0)|0;o=j+8372224|0;b[m>>0]=o;b[m+1>>0]=o>>>8;b[m+2>>0]=o>>>16;n=(f[l>>2]|0)+3|0;break}if(k>>>0<1073741824){l=a+28|0;o=(f[i>>2]|0)+(f[l>>2]|0)|0;m=j+-1073758208|0;b[o>>0]=m;b[o+1>>0]=m>>>8;b[o+2>>0]=m>>>16;b[o+3>>0]=m>>>24;n=(f[l>>2]|0)+4|0;break}else{n=f[a+28>>2]|0;break}}else{l=a+28|0;b[(f[i>>2]|0)+(f[l>>2]|0)>>0]=k;n=(f[l>>2]|0)+1|0}while(0);k=((n|0)<0)<<31>>31;Gn(e);yh(n,k,e)|0;i=e+4|0;a=(f[i>>2]|0)-(f[e>>2]|0)|0;im(h+a|0,h|0,n|0)|0;kh(h|0,f[e>>2]|0,a|0)|0;h=g;g=f[h>>2]|0;j=f[h+4>>2]|0;h=Vn(a|0,0,n|0,k|0)|0;k=Vn(h|0,I|0,g|0,j|0)|0;Cl(c,k,I);k=e+12|0;c=f[k>>2]|0;f[k>>2]=0;if(c|0)Oq(c);c=f[e>>2]|0;if(!c){u=d;return}if((f[i>>2]|0)!=(c|0))f[i>>2]=c;Oq(c);u=d;return}function $f(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=b;e=c-d>>2;g=a+8|0;h=f[g>>2]|0;i=f[a>>2]|0;j=i;if(e>>>0<=h-i>>2>>>0){k=a+4|0;l=(f[k>>2]|0)-i>>2;m=e>>>0>l>>>0;n=b+(l<<2)|0;l=m?n:c;o=l;p=o-d|0;q=p>>2;if(q|0)im(i|0,b|0,p|0)|0;p=j+(q<<2)|0;if(!m){m=f[k>>2]|0;if((m|0)==(p|0))return;f[k>>2]=m+(~((m+-4-p|0)>>>2)<<2);return}if((l|0)==(c|0))return;l=f[k>>2]|0;p=c+-4-o|0;o=n;n=l;while(1){f[n>>2]=f[o>>2];o=o+4|0;if((o|0)==(c|0))break;else n=n+4|0}f[k>>2]=l+((p>>>2)+1<<2);return}p=i;if(!i)r=h;else{h=a+4|0;l=f[h>>2]|0;if((l|0)!=(j|0))f[h>>2]=l+(~((l+-4-i|0)>>>2)<<2);Oq(p);f[g>>2]=0;f[h>>2]=0;f[a>>2]=0;r=0}if(e>>>0>1073741823)aq(a);h=r>>1;p=r>>2>>>0<536870911?(h>>>0>>0?e:h):1073741823;if(p>>>0>1073741823)aq(a);h=ln(p<<2)|0;e=a+4|0;f[e>>2]=h;f[a>>2]=h;f[g>>2]=h+(p<<2);if((b|0)==(c|0))return;p=c+-4-d|0;d=b;b=h;while(1){f[b>>2]=f[d>>2];d=d+4|0;if((d|0)==(c|0))break;else b=b+4|0}f[e>>2]=h+((p>>>2)+1<<2);return}function ag(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0;g=u;u=u+80|0;h=g;i=g+64|0;Il(h);j=f[(f[a+8>>2]|0)+56>>2]|0;k=X(Vl(5)|0,d)|0;Jj(h,j,0,d&255,5,0,k,((k|0)<0)<<31>>31,0,0);k=ln(96)|0;tl(k,h);Bj(k,c)|0;f[i>>2]=k;gj(a,i);k=f[i>>2]|0;f[i>>2]=0;if(k|0){i=k+88|0;c=f[i>>2]|0;f[i>>2]=0;if(c|0){i=f[c+8>>2]|0;if(i|0){h=c+12|0;if((f[h>>2]|0)!=(i|0))f[h>>2]=i;Oq(i)}Oq(c)}c=f[k+68>>2]|0;if(c|0){i=k+72|0;h=f[i>>2]|0;if((h|0)!=(c|0))f[i>>2]=h+(~((h+-4-c|0)>>>2)<<2);Oq(c)}c=k+64|0;h=f[c>>2]|0;f[c>>2]=0;if(h|0){c=f[h>>2]|0;if(c|0){i=h+4|0;if((f[i>>2]|0)!=(c|0))f[i>>2]=c;Oq(c)}Oq(h)}Oq(k)}if(!e){u=g;return}k=f[a+32>>2]|0;b[k+84>>0]=0;a=k+68|0;h=k+72|0;k=f[h>>2]|0;c=f[a>>2]|0;i=k-c>>2;d=k;if(i>>>0>>0){Ch(a,e-i|0,1532);u=g;return}if(i>>>0<=e>>>0){u=g;return}i=c+(e<<2)|0;if((i|0)==(d|0)){u=g;return}f[h>>2]=d+(~((d+-4-i|0)>>>2)<<2);u=g;return}function bg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0;c=u;u=u+16|0;d=c+4|0;e=c;g=a+4|0;h=f[g>>2]|0;i=a+8|0;j=f[i>>2]|0;if((j|0)==(h|0))k=h;else{l=j+(~((j+-4-h|0)>>>2)<<2)|0;f[i>>2]=l;k=l}l=a+16|0;h=f[l>>2]|0;j=a+20|0;m=f[j>>2]|0;n=h;if((m|0)!=(h|0))f[j>>2]=m+(~((m+-4-n|0)>>>2)<<2);m=f[b>>2]|0;h=f[b+4>>2]|0;if((m|0)==(h|0)){u=c;return}b=a+12|0;a=m;m=k;k=n;while(1){n=f[a>>2]|0;f[d>>2]=n;if((m|0)==(f[b>>2]|0)){Ri(g,d);o=f[l>>2]|0}else{f[m>>2]=n;f[i>>2]=m+4;o=k}n=f[d>>2]|0;p=f[j>>2]|0;q=p-o>>2;r=o;if((n|0)<(q|0)){s=r;t=n;v=o}else{w=n+1|0;f[e>>2]=-1;x=p;if(w>>>0<=q>>>0)if(w>>>0>>0?(p=r+(w<<2)|0,(p|0)!=(x|0)):0){f[j>>2]=x+(~((x+-4-p|0)>>>2)<<2);y=n;z=r;A=o}else{y=n;z=r;A=o}else{Ch(l,w-q|0,e);q=f[l>>2]|0;y=f[d>>2]|0;z=q;A=q}s=z;t=y;v=A}m=f[i>>2]|0;f[s+(t<<2)>>2]=(m-(f[g>>2]|0)>>2)+-1;a=a+4|0;if((a|0)==(h|0))break;else k=v}u=c;return}function cg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;c=u;u=u+16|0;d=c;e=a+76|0;g=f[e>>2]|0;h=a+80|0;i=f[h>>2]|0;if((i|0)!=(g|0))f[h>>2]=i+(~((i+-4-g|0)>>>2)<<2);f[e>>2]=0;f[h>>2]=0;f[a+84>>2]=0;if(g|0)Oq(g);g=a+64|0;h=f[g>>2]|0;e=a+68|0;if((f[e>>2]|0)!=(h|0))f[e>>2]=h;f[g>>2]=0;f[e>>2]=0;f[a+72>>2]=0;if(h|0)Oq(h);h=b+4|0;e=f[h>>2]|0;g=f[b>>2]|0;i=((e-g|0)/12|0)*3|0;j=a+4|0;k=f[j>>2]|0;l=f[a>>2]|0;m=k-l>>2;n=l;l=k;k=g;if(i>>>0<=m>>>0)if(i>>>0>>0?(o=n+(i<<2)|0,(o|0)!=(l|0)):0){f[j>>2]=l+(~((l+-4-o|0)>>>2)<<2);p=e;q=g;r=k}else{p=e;q=g;r=k}else{Ci(a,i-m|0);m=f[b>>2]|0;p=f[h>>2]|0;q=m;r=m}if((p|0)!=(q|0)){q=f[a>>2]|0;m=(p-r|0)/12|0;p=0;do{h=p*3|0;f[q+(h<<2)>>2]=f[r+(p*12|0)>>2];f[q+(h+1<<2)>>2]=f[r+(p*12|0)+4>>2];f[q+(h+2<<2)>>2]=f[r+(p*12|0)+8>>2];p=p+1|0}while(p>>>0>>0)}f[d>>2]=-1;if(!(rc(a,d)|0)){s=0;u=c;return s|0}eb(a,f[d>>2]|0)|0;s=1;u=c;return s|0}function dg(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=d[b>>1]|0;e=d[b+2>>1]|0;g=d[b+4>>1]|0;b=(((c^318)&65535)+239^e&65535)+239^g&65535;h=f[a+4>>2]|0;if(!h){i=0;return i|0}j=h+-1|0;k=(j&h|0)==0;if(!k)if(b>>>0>>0)l=b;else l=(b>>>0)%(h>>>0)|0;else l=b&j;m=f[(f[a>>2]|0)+(l<<2)>>2]|0;if(!m){i=0;return i|0}a=f[m>>2]|0;if(!a){i=0;return i|0}if(k){k=a;while(1){m=f[k+4>>2]|0;n=(m|0)==(b|0);if(!(n|(m&j|0)==(l|0))){i=0;o=23;break}if(((n?(n=k+8|0,(d[n>>1]|0)==c<<16>>16):0)?(d[n+2>>1]|0)==e<<16>>16:0)?(d[k+12>>1]|0)==g<<16>>16:0){i=k;o=23;break}k=f[k>>2]|0;if(!k){i=0;o=23;break}}if((o|0)==23)return i|0}else p=a;while(1){a=f[p+4>>2]|0;if((a|0)==(b|0)){k=p+8|0;if(((d[k>>1]|0)==c<<16>>16?(d[k+2>>1]|0)==e<<16>>16:0)?(d[p+12>>1]|0)==g<<16>>16:0){i=p;o=23;break}}else{if(a>>>0>>0)q=a;else q=(a>>>0)%(h>>>0)|0;if((q|0)!=(l|0)){i=0;o=23;break}}p=f[p>>2]|0;if(!p){i=0;o=23;break}}if((o|0)==23)return i|0;return 0}function eg(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=u;u=u+32|0;d=c;e=a+16|0;g=e;h=f[g>>2]|0;i=f[g+4>>2]|0;if(!((i|0)>0|(i|0)==0&h>>>0>0)){u=c;return}g=Vn(f[(f[a+12>>2]|0)+4>>2]|0,0,7,0)|0;j=Yn(g|0,I|0,3)|0;g=I;if(!(b[a+24>>0]|0)){k=a+4|0;l=k;m=k;n=h;o=i}else{k=f[a>>2]|0;p=a+4|0;q=k+((f[p>>2]|0)-k)|0;k=Vn(h|0,i|0,8,0)|0;i=q+(0-k)|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;b[d+24>>0]=0;yh(j,g,d)|0;k=d+4|0;q=(f[k>>2]|0)-(f[d>>2]|0)|0;im(i+q|0,i+8|0,j|0)|0;kh(i|0,f[d>>2]|0,q|0)|0;i=e;h=Vn(f[i>>2]|0,f[i+4>>2]|0,8-q|0,0)|0;q=e;f[q>>2]=h;f[q+4>>2]=I;q=d+12|0;h=f[q>>2]|0;f[q>>2]=0;if(h|0)Oq(h);h=f[d>>2]|0;if(h|0){if((f[k>>2]|0)!=(h|0))f[k>>2]=h;Oq(h)}h=e;l=p;m=p;n=f[h>>2]|0;o=f[h+4>>2]|0}h=f[l>>2]|0;l=f[a>>2]|0;p=h-l|0;k=Xn(j|0,g|0,n|0,o|0)|0;o=Vn(k|0,I|0,p|0,0)|0;k=l;l=h;if(p>>>0>=o>>>0){if(p>>>0>o>>>0?(h=k+o|0,(h|0)!=(l|0)):0)f[m>>2]=h}else Fi(a,o-p|0);p=e;f[p>>2]=0;f[p+4>>2]=0;u=c;return}function fg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;f[a+4>>2]=f[b+4>>2];c=a+8|0;d=b+8|0;if((a|0)==(b|0))return a|0;e=b+12|0;g=f[e>>2]|0;if(!g)h=0;else{i=a+16|0;do if(g>>>0>f[i>>2]<<5>>>0){j=f[c>>2]|0;if(!j)k=g;else{Oq(j);f[c>>2]=0;f[i>>2]=0;f[a+12>>2]=0;k=f[e>>2]|0}if((k|0)<0)aq(c);else{j=((k+-1|0)>>>5)+1|0;l=ln(j<<2)|0;f[c>>2]=l;f[a+12>>2]=0;f[i>>2]=j;m=f[e>>2]|0;n=l;break}}else{m=g;n=f[c>>2]|0}while(0);im(n|0,f[d>>2]|0,((m+-1|0)>>>5<<2)+4|0)|0;h=f[e>>2]|0}f[a+12>>2]=h;h=a+20|0;e=b+20|0;m=b+24|0;b=f[m>>2]|0;if(!b)o=0;else{d=a+28|0;do if(b>>>0>f[d>>2]<<5>>>0){n=f[h>>2]|0;if(!n)p=b;else{Oq(n);f[h>>2]=0;f[d>>2]=0;f[a+24>>2]=0;p=f[m>>2]|0}if((p|0)<0)aq(h);else{n=((p+-1|0)>>>5)+1|0;c=ln(n<<2)|0;f[h>>2]=c;f[a+24>>2]=0;f[d>>2]=n;q=f[m>>2]|0;r=c;break}}else{q=b;r=f[h>>2]|0}while(0);im(r|0,f[e>>2]|0,((q+-1|0)>>>5<<2)+4|0)|0;o=f[m>>2]|0}f[a+24>>2]=o;return a|0}function gg(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;f[c>>2]=1;d=a+4|0;e=c+8|0;g=c+12|0;c=f[e>>2]|0;i=(f[g>>2]|0)-c|0;if(i>>>0<4294967292){Lk(e,i+4|0,0);j=f[e>>2]|0}else j=c;c=j+i|0;i=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;b[c>>0]=i;b[c+1>>0]=i>>8;b[c+2>>0]=i>>16;b[c+3>>0]=i>>24;i=a+8|0;c=a+12|0;d=f[i>>2]|0;if((f[c>>2]|0)!=(d|0)){j=0;k=d;do{d=k+(j<<2)|0;l=f[e>>2]|0;m=(f[g>>2]|0)-l|0;if(m>>>0<4294967292){Lk(e,m+4|0,0);n=f[e>>2]|0}else n=l;l=n+m|0;m=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;b[l>>0]=m;b[l+1>>0]=m>>8;b[l+2>>0]=m>>16;b[l+3>>0]=m>>24;j=j+1|0;k=f[i>>2]|0}while(j>>>0<(f[c>>2]|0)-k>>2>>>0)}k=a+20|0;a=f[e>>2]|0;c=(f[g>>2]|0)-a|0;if(c>>>0<4294967292){Lk(e,c+4|0,0);o=f[e>>2]|0;p=o+c|0;q=h[k>>0]|h[k+1>>0]<<8|h[k+2>>0]<<16|h[k+3>>0]<<24;b[p>>0]=q;b[p+1>>0]=q>>8;b[p+2>>0]=q>>16;b[p+3>>0]=q>>24;return}else{o=a;p=o+c|0;q=h[k>>0]|h[k+1>>0]<<8|h[k+2>>0]<<16|h[k+3>>0]<<24;b[p>>0]=q;b[p+1>>0]=q>>8;b[p+2>>0]=q>>16;b[p+3>>0]=q>>24;return}}function hg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=a+8|0;e=f[d>>2]|0;g=f[a>>2]|0;h=g;do if(e-g>>2>>>0>=b>>>0){i=a+4|0;j=f[i>>2]|0;k=j-g>>2;l=k>>>0>>0;m=l?k:b;n=j;if(m|0){j=m;m=h;while(1){f[m>>2]=f[c>>2];j=j+-1|0;if(!j)break;else m=m+4|0}}if(!l){m=h+(b<<2)|0;if((m|0)==(n|0))return;else{o=i;p=n+(~((n+-4-m|0)>>>2)<<2)|0;break}}else{m=b-k|0;j=m;q=n;while(1){f[q>>2]=f[c>>2];j=j+-1|0;if(!j)break;else q=q+4|0}o=i;p=n+(m<<2)|0;break}}else{q=g;if(!g)r=e;else{j=a+4|0;k=f[j>>2]|0;if((k|0)!=(h|0))f[j>>2]=k+(~((k+-4-g|0)>>>2)<<2);Oq(q);f[d>>2]=0;f[j>>2]=0;f[a>>2]=0;r=0}if(b>>>0>1073741823)aq(a);j=r>>1;q=r>>2>>>0<536870911?(j>>>0>>0?b:j):1073741823;if(q>>>0>1073741823)aq(a);j=ln(q<<2)|0;k=a+4|0;f[k>>2]=j;f[a>>2]=j;f[d>>2]=j+(q<<2);q=b;l=j;while(1){f[l>>2]=f[c>>2];q=q+-1|0;if(!q)break;else l=l+4|0}o=k;p=j+(b<<2)|0}while(0);f[o>>2]=p;return}function ig(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0;h=jh(a,b,c,d,g)|0;i=f[e>>2]|0;j=f[d>>2]|0;k=f[g>>2]|0;g=f[k>>2]|0;l=(f[k+4>>2]|0)-g>>3;if(l>>>0<=i>>>0)aq(k);m=g;if(l>>>0<=j>>>0)aq(k);if((f[m+(i<<3)>>2]|0)>>>0>=(f[m+(j<<3)>>2]|0)>>>0){n=h;return n|0}f[d>>2]=i;f[e>>2]=j;j=f[d>>2]|0;e=f[c>>2]|0;if(l>>>0<=j>>>0)aq(k);if(l>>>0<=e>>>0)aq(k);if((f[m+(j<<3)>>2]|0)>>>0>=(f[m+(e<<3)>>2]|0)>>>0){n=h+1|0;return n|0}f[c>>2]=j;f[d>>2]=e;e=f[c>>2]|0;d=f[b>>2]|0;if(l>>>0<=e>>>0)aq(k);if(l>>>0<=d>>>0)aq(k);if((f[m+(e<<3)>>2]|0)>>>0>=(f[m+(d<<3)>>2]|0)>>>0){n=h+2|0;return n|0}f[b>>2]=e;f[c>>2]=d;d=f[b>>2]|0;c=f[a>>2]|0;if(l>>>0<=d>>>0)aq(k);if(l>>>0<=c>>>0)aq(k);if((f[m+(d<<3)>>2]|0)>>>0>=(f[m+(c<<3)>>2]|0)>>>0){n=h+3|0;return n|0}f[a>>2]=d;f[b>>2]=c;n=h+4|0;return n|0}function jg(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=b[c>>0]|0;e=b[c+1>>0]|0;g=b[c+2>>0]|0;c=((d&255^318)+239^e&255)+239^g&255;h=f[a+4>>2]|0;if(!h){i=0;return i|0}j=h+-1|0;k=(j&h|0)==0;if(!k)if(c>>>0>>0)l=c;else l=(c>>>0)%(h>>>0)|0;else l=c&j;m=f[(f[a>>2]|0)+(l<<2)>>2]|0;if(!m){i=0;return i|0}a=f[m>>2]|0;if(!a){i=0;return i|0}if(k){k=a;while(1){m=f[k+4>>2]|0;n=(m|0)==(c|0);if(!(n|(m&j|0)==(l|0))){i=0;o=23;break}if(((n?(n=k+8|0,(b[n>>0]|0)==d<<24>>24):0)?(b[n+1>>0]|0)==e<<24>>24:0)?(b[n+2>>0]|0)==g<<24>>24:0){i=k;o=23;break}k=f[k>>2]|0;if(!k){i=0;o=23;break}}if((o|0)==23)return i|0}else p=a;while(1){a=f[p+4>>2]|0;if((a|0)==(c|0)){k=p+8|0;if(((b[k>>0]|0)==d<<24>>24?(b[k+1>>0]|0)==e<<24>>24:0)?(b[k+2>>0]|0)==g<<24>>24:0){i=p;o=23;break}}else{if(a>>>0>>0)q=a;else q=(a>>>0)%(h>>>0)|0;if((q|0)!=(l|0)){i=0;o=23;break}}p=f[p>>2]|0;if(!p){i=0;o=23;break}}if((o|0)==23)return i|0;return 0}function kg(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;b=u;u=u+16|0;c=b;d=a+36|0;e=a+4|0;g=a+8|0;h=(f[g>>2]|0)-(f[e>>2]|0)>>2;i=a+40|0;j=f[i>>2]|0;k=f[d>>2]|0;l=j-k>>2;m=k;k=j;if(h>>>0<=l>>>0){if(h>>>0>>0?(j=m+(h<<2)|0,(j|0)!=(k|0)):0){m=k;do{k=m+-4|0;f[i>>2]=k;n=f[k>>2]|0;f[k>>2]=0;if(n|0)Va[f[(f[n>>2]|0)+4>>2]&127](n);m=f[i>>2]|0}while((m|0)!=(j|0))}}else Eg(d,h-l|0);if((f[g>>2]|0)==(f[e>>2]|0)){o=1;u=b;return o|0}l=a+52|0;h=a+48|0;j=0;while(1){Xa[f[(f[a>>2]|0)+56>>2]&15](c,a,j);m=(f[d>>2]|0)+(j<<2)|0;i=f[c>>2]|0;f[c>>2]=0;n=f[m>>2]|0;f[m>>2]=i;if(n|0)Va[f[(f[n>>2]|0)+4>>2]&127](n);n=f[c>>2]|0;f[c>>2]=0;if(n|0)Va[f[(f[n>>2]|0)+4>>2]&127](n);n=f[(f[d>>2]|0)+(j<<2)>>2]|0;if(!n){o=0;p=19;break}if(j>>>0<(f[l>>2]|0)>>>0?f[(f[h>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0:0)Bp(n);j=j+1|0;if(j>>>0>=(f[g>>2]|0)-(f[e>>2]|0)>>2>>>0){o=1;p=19;break}}if((p|0)==19){u=b;return o|0}return 0}function lg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=u;u=u+16|0;e=d+4|0;g=d;ci(f[c+12>>2]|0,b)|0;h=f[c+8>>2]|0;a:do if(h|0){i=b+16|0;j=b+4|0;k=h;while(1){l=k;if(!(Bf(0,b,l+8|0)|0)){m=0;break}n=l+20|0;o=(f[l+24>>2]|0)-(f[n>>2]|0)|0;ci(o,b)|0;l=f[n>>2]|0;n=i;p=f[n+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[n>>2]|0)>>>0>0)){f[g>>2]=f[j>>2];f[e>>2]=f[g>>2];Me(b,e,l,l+o|0)|0}k=f[k>>2]|0;if(!k)break a}u=d;return m|0}while(0);ci(f[c+32>>2]|0,b)|0;e=f[c+28>>2]|0;if(!e){m=1;u=d;return m|0}else q=e;while(1){e=q;if(!(Bf(0,b,e+8|0)|0)){m=0;r=10;break}lg(a,b,f[e+20>>2]|0)|0;q=f[q>>2]|0;if(!q){m=1;r=10;break}}if((r|0)==10){u=d;return m|0}return 0}function mg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;h=a+8|0;i=a+12|0;j=f[h>>2]|0;if((f[i>>2]|0)==(j|0)){k=ln(76)|0;vn(k,b);l=k;f[g>>2]=l;k=f[i>>2]|0;if(k>>>0<(f[a+16>>2]|0)>>>0){f[g>>2]=0;f[k>>2]=l;f[i>>2]=k+4;m=g}else{Qg(h,g);m=g}g=f[m>>2]|0;f[m>>2]=0;if(!g){u=c;return 1}Va[f[(f[g>>2]|0)+4>>2]&127](g);u=c;return 1}g=f[j>>2]|0;f[d>>2]=b;j=g+4|0;m=g+8|0;h=f[m>>2]|0;if((h|0)==(f[g+12>>2]|0))Ri(j,d);else{f[h>>2]=b;f[m>>2]=h+4}h=f[d>>2]|0;b=g+16|0;k=g+20|0;g=f[k>>2]|0;i=f[b>>2]|0;l=g-i>>2;a=i;if((h|0)<(l|0)){n=a;o=h}else{i=h+1|0;f[e>>2]=-1;p=g;if(i>>>0<=l>>>0)if(i>>>0>>0?(g=a+(i<<2)|0,(g|0)!=(p|0)):0){f[k>>2]=p+(~((p+-4-g|0)>>>2)<<2);q=h;r=a}else{q=h;r=a}else{Ch(b,i-l|0,e);q=f[d>>2]|0;r=f[b>>2]|0}n=r;o=q}f[n+(o<<2)>>2]=((f[m>>2]|0)-(f[j>>2]|0)>>2)+-1;u=c;return 1}function ng(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;d=c;e=b;g=d-e|0;h=g>>2;i=a+8|0;j=f[i>>2]|0;k=f[a>>2]|0;l=k;if(h>>>0>j-k>>2>>>0){m=k;if(!k)n=j;else{j=a+4|0;o=f[j>>2]|0;if((o|0)!=(l|0))f[j>>2]=o+(~((o+-4-k|0)>>>2)<<2);Oq(m);f[i>>2]=0;f[j>>2]=0;f[a>>2]=0;n=0}if(h>>>0>1073741823)aq(a);j=n>>1;m=n>>2>>>0<536870911?(j>>>0>>0?h:j):1073741823;if(m>>>0>1073741823)aq(a);j=ln(m<<2)|0;n=a+4|0;f[n>>2]=j;f[a>>2]=j;f[i>>2]=j+(m<<2);if((g|0)<=0)return;kh(j|0,b|0,g|0)|0;f[n>>2]=j+(g>>>2<<2);return}g=a+4|0;a=f[g>>2]|0;j=a-k>>2;k=h>>>0>j>>>0;h=k?b+(j<<2)|0:c;c=a;j=a;if((h|0)==(b|0))p=l;else{a=h+-4-e|0;e=b;b=l;while(1){f[b>>2]=f[e>>2];e=e+4|0;if((e|0)==(h|0))break;else b=b+4|0}p=l+((a>>>2)+1<<2)|0}if(k){k=d-h|0;if((k|0)<=0)return;kh(j|0,h|0,k|0)|0;f[g>>2]=(f[g>>2]|0)+(k>>>2<<2);return}else{if((p|0)==(c|0))return;f[g>>2]=c+(~((c+-4-p|0)>>>2)<<2);return}}function og(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=f[a+8>>2]|0;e=a+76|0;g=f[e>>2]|0;h=f[g+80>>2]|0;b[c+84>>0]=0;i=c+68|0;j=c+72|0;k=f[j>>2]|0;l=f[i>>2]|0;m=k-l>>2;n=l;l=k;if(h>>>0<=m>>>0)if(h>>>0>>0?(k=n+(h<<2)|0,(k|0)!=(l|0)):0){f[j>>2]=l+(~((l+-4-k|0)>>>2)<<2);o=g;p=h}else{o=g;p=h}else{Ch(i,h-m|0,3600);m=f[e>>2]|0;o=m;p=f[m+80>>2]|0}m=(f[o+100>>2]|0)-(f[o+96>>2]|0)|0;e=(m|0)/12|0;if(!m){q=1;return q|0}m=c+68|0;c=f[o+96>>2]|0;o=f[d+28>>2]|0;d=f[(f[a+80>>2]|0)+12>>2]|0;a=0;while(1){h=a*3|0;i=f[d+(f[o+(h<<2)>>2]<<2)>>2]|0;if(i>>>0>=p>>>0){q=0;r=10;break}g=f[m>>2]|0;f[g+(f[c+(a*12|0)>>2]<<2)>>2]=i;i=f[d+(f[o+(h+1<<2)>>2]<<2)>>2]|0;if(i>>>0>=p>>>0){q=0;r=10;break}f[g+(f[c+(a*12|0)+4>>2]<<2)>>2]=i;i=f[d+(f[o+(h+2<<2)>>2]<<2)>>2]|0;if(i>>>0>=p>>>0){q=0;r=10;break}f[g+(f[c+(a*12|0)+8>>2]<<2)>>2]=i;a=a+1|0;if(a>>>0>=e>>>0){q=1;r=10;break}}if((r|0)==10)return q|0;return 0}function pg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;e=u;u=u+16|0;g=e;if(!(xh(a,c,d)|0)){h=0;u=e;return h|0}if((b[(f[a+8>>2]|0)+24>>0]|0)!=3){h=0;u=e;return h|0}i=f[c+48>>2]|0;c=ln(32)|0;f[g>>2]=c;f[g+8>>2]=-2147483616;f[g+4>>2]=17;j=c;k=14495;l=j+17|0;do{b[j>>0]=b[k>>0]|0;j=j+1|0;k=k+1|0}while((j|0)<(l|0));b[c+17>>0]=0;c=i+16|0;k=f[c>>2]|0;if(k){j=c;l=k;a:while(1){k=l;while(1){if((f[k+16>>2]|0)>=(d|0))break;m=f[k+4>>2]|0;if(!m){n=j;break a}else k=m}l=f[k>>2]|0;if(!l){n=k;break}else j=k}if(((n|0)!=(c|0)?(f[n+16>>2]|0)<=(d|0):0)?(d=n+20|0,(Jh(d,g)|0)!=0):0)o=Hk(d,g,-1)|0;else p=12}else p=12;if((p|0)==12)o=Hk(i,g,-1)|0;if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);if((o|0)<1){h=0;u=e;return h|0}ip(a+40|0,o);h=1;u=e;return h|0}function qg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=f[b>>2]|0;d=f[b+4>>2]|0;e=f[b+8>>2]|0;b=((c^318)+239^d)+239^e;g=f[a+4>>2]|0;if(!g){h=0;return h|0}i=g+-1|0;j=(i&g|0)==0;if(!j)if(b>>>0>>0)k=b;else k=(b>>>0)%(g>>>0)|0;else k=b&i;l=f[(f[a>>2]|0)+(k<<2)>>2]|0;if(!l){h=0;return h|0}a=f[l>>2]|0;if(!a){h=0;return h|0}if(j){j=a;while(1){l=f[j+4>>2]|0;m=(l|0)==(b|0);if(!(m|(l&i|0)==(k|0))){h=0;n=23;break}if(((m?(f[j+8>>2]|0)==(c|0):0)?(f[j+12>>2]|0)==(d|0):0)?(f[j+16>>2]|0)==(e|0):0){h=j;n=23;break}j=f[j>>2]|0;if(!j){h=0;n=23;break}}if((n|0)==23)return h|0}else o=a;while(1){a=f[o+4>>2]|0;if((a|0)==(b|0)){if(((f[o+8>>2]|0)==(c|0)?(f[o+12>>2]|0)==(d|0):0)?(f[o+16>>2]|0)==(e|0):0){h=o;n=23;break}}else{if(a>>>0>>0)p=a;else p=(a>>>0)%(g>>>0)|0;if((p|0)!=(k|0)){h=0;n=23;break}}o=f[o>>2]|0;if(!o){h=0;n=23;break}}if((n|0)==23)return h|0;return 0}function rg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;e=c;g=d-e|0;h=a+8|0;i=f[h>>2]|0;j=f[a>>2]|0;k=j;if(g>>>0>(i-j|0)>>>0){if(!j)l=i;else{i=a+4|0;if((f[i>>2]|0)!=(k|0))f[i>>2]=k;Oq(k);f[h>>2]=0;f[i>>2]=0;f[a>>2]=0;l=0}if((g|0)<0)aq(a);i=l<<1;m=l>>>0<1073741823?(i>>>0>>0?g:i):2147483647;if((m|0)<0)aq(a);i=ln(m)|0;l=a+4|0;f[l>>2]=i;f[a>>2]=i;f[h>>2]=i+m;if((c|0)==(d|0))return;else{n=c;o=i}do{b[o>>0]=b[n>>0]|0;n=n+1|0;o=(f[l>>2]|0)+1|0;f[l>>2]=o}while((n|0)!=(d|0));return}n=a+4|0;a=(f[n>>2]|0)-j|0;j=g>>>0>a>>>0;g=c+a|0;a=j?g:d;if((a|0)==(c|0))p=k;else{o=c;c=k;while(1){b[c>>0]=b[o>>0]|0;o=o+1|0;if((o|0)==(a|0))break;else c=c+1|0}p=k+(a-e)|0}if(!j){if((f[n>>2]|0)==(p|0))return;f[n>>2]=p;return}if((a|0)==(d|0))return;a=g;g=f[n>>2]|0;do{b[g>>0]=b[a>>0]|0;a=a+1|0;g=(f[n>>2]|0)+1|0;f[n>>2]=g}while((a|0)!=(d|0));return}function sg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;d=c>>>1&1431655765|c<<1&-1431655766;c=d>>>2&858993459|d<<2&-858993460;d=c>>>4&252645135|c<<4&-252645136;c=d>>>8&16711935|d<<8&-16711936;d=32-b|0;e=(c>>>16|c<<16)>>>d;c=e-(e>>>1&1431655765)|0;g=(c>>>2&858993459)+(c&858993459)|0;c=(X((g>>>4)+g&252645135,16843009)|0)>>>24;g=b-c|0;h=f[a>>2]|0;i=h;j=Vn(f[i>>2]|0,f[i+4>>2]|0,g|0,((g|0)<0)<<31>>31|0)|0;g=h;f[g>>2]=j;f[g+4>>2]=I;g=h+8|0;h=g;j=Vn(f[h>>2]|0,f[h+4>>2]|0,c|0,0)|0;c=g;f[c>>2]=j;f[c+4>>2]=I;c=a+28|0;j=f[c>>2]|0;g=32-j|0;h=a+24|0;do if((g|0)>=(b|0)){i=-1>>>d<>2]&~i|i&e<>2]=k;i=j+b|0;f[c>>2]=i;if((i|0)!=32)return;i=a+16|0;l=f[i>>2]|0;if((l|0)==(f[a+20>>2]|0)){Ri(a+12|0,h);m=0;n=0;break}else{f[l>>2]=k;f[i>>2]=l+4;m=0;n=0;break}}else{l=-1>>>j<>2]&~l|l&e<>2]=i;l=a+16|0;k=f[l>>2]|0;if((k|0)==(f[a+20>>2]|0))Ri(a+12|0,h);else{f[k>>2]=i;f[l>>2]=k+4}k=b-g|0;m=k;n=-1>>>(32-k|0)&e>>>g}while(0);f[h>>2]=n;f[c>>2]=m;return}function tg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;e=c&255;g=(d|0)!=0;a:do if(g&(a&3|0)!=0){h=c&255;i=a;j=d;while(1){if((b[i>>0]|0)==h<<24>>24){k=i;l=j;m=6;break a}n=i+1|0;o=j+-1|0;p=(o|0)!=0;if(p&(n&3|0)!=0){i=n;j=o}else{q=n;r=o;s=p;m=5;break}}}else{q=a;r=d;s=g;m=5}while(0);if((m|0)==5)if(s){k=q;l=r;m=6}else{t=q;u=0}b:do if((m|0)==6){q=c&255;if((b[k>>0]|0)==q<<24>>24){t=k;u=l}else{r=X(e,16843009)|0;c:do if(l>>>0>3){s=k;g=l;while(1){d=f[s>>2]^r;if((d&-2139062144^-2139062144)&d+-16843009|0)break;d=s+4|0;a=g+-4|0;if(a>>>0>3){s=d;g=a}else{v=d;w=a;m=11;break c}}x=s;y=g}else{v=k;w=l;m=11}while(0);if((m|0)==11)if(!w){t=v;u=0;break}else{x=v;y=w}while(1){if((b[x>>0]|0)==q<<24>>24){t=x;u=y;break b}r=x+1|0;y=y+-1|0;if(!y){t=r;u=0;break}else x=r}}}while(0);return (u|0?t:0)|0}function ug(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=e;do 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e|0}if((f[b+(f[i+(k<<2)>>2]<<2)>>2]|0)==-1){i=k+1|0;e=1;g=((i>>>0)%3|0|0)==0?k+-2|0:i;f[c>>2]=g;return e|0}else l=k}else l=j}else l=d;while(1){d=(((l>>>0)%3|0|0)==0?2:-1)+l|0;if((d|0)==-1)break;j=f[h+(d<<2)>>2]|0;if((j|0)==-1)break;d=j+(((j>>>0)%3|0|0)==0?2:-1)|0;if((d|0)==-1)break;else l=d}e=0;g=(((l>>>0)%3|0|0)==0?2:-1)+l|0;f[c>>2]=g;return e|0}function yg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;e=a+4|0;g=f[e>>2]|0;if(!g){f[c>>2]=e;h=e;return h|0}e=b[d+11>>0]|0;i=e<<24>>24<0;j=i?f[d+4>>2]|0:e&255;e=i?f[d>>2]|0:d;d=a+4|0;a=g;while(1){g=a+16|0;i=b[g+11>>0]|0;k=i<<24>>24<0;l=k?f[a+20>>2]|0:i&255;i=l>>>0>>0;m=i?l:j;if((m|0)!=0?(n=Vk(e,k?f[g>>2]|0:g,m)|0,(n|0)!=0):0)if((n|0)<0)o=8;else o=10;else if(j>>>0>>0)o=8;else o=10;if((o|0)==8){o=0;n=f[a>>2]|0;if(!n){o=9;break}else{p=a;q=n}}else if((o|0)==10){o=0;n=j>>>0>>0?j:l;if((n|0)!=0?(l=Vk(k?f[g>>2]|0:g,e,n)|0,(l|0)!=0):0){if((l|0)>=0){o=16;break}}else o=12;if((o|0)==12?(o=0,!i):0){o=16;break}r=a+4|0;i=f[r>>2]|0;if(!i){o=15;break}else{p=r;q=i}}d=p;a=q}if((o|0)==9){f[c>>2]=a;h=a;return h|0}else if((o|0)==15){f[c>>2]=a;h=r;return h|0}else if((o|0)==16){f[c>>2]=a;h=d;return h|0}return 0}function zg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0;d=u;u=u+32|0;e=d+24|0;g=d+16|0;h=d+8|0;i=d;j=a+4|0;k=f[j>>2]|0;l=f[b>>2]|0;m=f[b+4>>2]|0;b=f[c>>2]|0;n=f[c+4>>2]|0;c=b-l<<3;f[j>>2]=k-m+n+c;j=(f[a>>2]|0)+(k>>>5<<2)|0;a=k&31;k=j;if((m|0)!=(a|0)){f[e>>2]=l;f[e+4>>2]=m;f[g>>2]=b;f[g+4>>2]=n;f[h>>2]=k;f[h+4>>2]=a;xe(i,e,g,h);u=d;return}h=n-m+c|0;c=l;if((h|0)>0){if(!m){o=h;p=j;q=0;r=l;s=c}else{l=32-m|0;n=(h|0)<(l|0)?h:l;g=-1>>>(l-n|0)&-1<>2]=f[j>>2]&~g|f[c>>2]&g;g=n+m|0;l=c+4|0;o=h-n|0;p=j+(g>>>5<<2)|0;q=g&31;r=l;s=l}l=(o|0)/32|0;im(p|0,r|0,l<<2|0)|0;r=o-(l<<5)|0;o=p+(l<<2)|0;p=o;if((r|0)>0){g=-1>>>(32-r|0);f[o>>2]=f[o>>2]&~g|f[s+(l<<2)>>2]&g;t=r;v=p}else{t=q;v=p}}else{t=m;v=k}f[i>>2]=v;f[i+4>>2]=t;u=d;return}function Ag(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;c=a+8|0;d=f[c>>2]|0;e=a+12|0;g=f[e>>2]|0;h=g;do if((d|0)==(g|0)){i=a+4|0;j=f[i>>2]|0;k=f[a>>2]|0;l=k;if(j>>>0>k>>>0){m=j;n=((m-l>>2)+1|0)/-2|0;o=j+(n<<2)|0;p=d-m|0;m=p>>2;if(!m)q=j;else{im(o|0,j|0,p|0)|0;q=f[i>>2]|0}p=o+(m<<2)|0;f[c>>2]=p;f[i>>2]=q+(n<<2);r=p;break}p=h-l>>1;l=(p|0)==0?1:p;if(l>>>0>1073741823){p=ra(8)|0;Oo(p,16035);f[p>>2]=7256;va(p|0,1112,110)}p=ln(l<<2)|0;n=p;m=p+(l>>>2<<2)|0;o=m;s=p+(l<<2)|0;if((j|0)==(d|0)){t=o;u=k}else{k=m;m=o;l=j;do{f[k>>2]=f[l>>2];k=m+4|0;m=k;l=l+4|0}while((l|0)!=(d|0));t=m;u=f[a>>2]|0}f[a>>2]=n;f[i>>2]=o;f[c>>2]=t;f[e>>2]=s;if(!u)r=t;else{Oq(u);r=f[c>>2]|0}}else r=d;while(0);f[r>>2]=f[b>>2];f[c>>2]=(f[c>>2]|0)+4;return}function Bg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;h=a+12|0;i=a+4|0;j=f[i>>2]|0;if((j|0)==(f[a+8>>2]|0)){Ri(a,h);k=f[i>>2]|0}else{f[j>>2]=f[h>>2];l=j+4|0;f[i>>2]=l;k=l}l=f[a>>2]|0;f[g>>2]=k-l;k=b+16|0;j=k;m=f[j+4>>2]|0;if(!((m|0)>0|(m|0)==0&(f[j>>2]|0)>>>0>0)){f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;j=f[a>>2]|0;m=f[g>>2]|0;g=k;k=f[g+4>>2]|0;if((k|0)>0|(k|0)==0&(f[g>>2]|0)>>>0>0){n=j;o=e}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,j,j+m|0)|0;n=f[a>>2]|0;o=e}}else{n=l;o=e}e=f[i>>2]|0;if((e|0)==(n|0)){f[h>>2]=0;p=a+16|0;f[p>>2]=0;u=c;return}f[i>>2]=e+(~((e+-4-n|0)>>>2)<<2);f[h>>2]=0;p=a+16|0;f[p>>2]=0;u=c;return}function Cg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;e=c;g=d-e|0;h=a+8|0;i=f[h>>2]|0;j=f[a>>2]|0;k=j;if(g>>>0>(i-j|0)>>>0){if(!j)l=i;else{i=a+4|0;if((f[i>>2]|0)!=(k|0))f[i>>2]=k;Oq(k);f[h>>2]=0;f[i>>2]=0;f[a>>2]=0;l=0}if((g|0)<0)aq(a);i=l<<1;m=l>>>0<1073741823?(i>>>0>>0?g:i):2147483647;if((m|0)<0)aq(a);i=ln(m)|0;l=a+4|0;f[l>>2]=i;f[a>>2]=i;f[h>>2]=i+m;if((c|0)==(d|0))return;else{n=c;o=i}do{b[o>>0]=b[n>>0]|0;n=n+1|0;o=(f[l>>2]|0)+1|0;f[l>>2]=o}while((n|0)!=(d|0));return}else{n=a+4|0;a=(f[n>>2]|0)-j|0;j=g>>>0>a>>>0;g=c+a|0;a=j?g:d;o=a-e|0;if(o|0)im(k|0,c|0,o|0)|0;c=k+o|0;if(!j){if((f[n>>2]|0)==(c|0))return;f[n>>2]=c;return}if((a|0)==(d|0))return;a=g;g=f[n>>2]|0;do{b[g>>0]=b[a>>0]|0;a=a+1|0;g=(f[n>>2]|0)+1|0;f[n>>2]=g}while((a|0)!=(d|0));return}}function Dg(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+16|0;d=c;if(b[a+352>>0]|0){u=c;return 1}e=a+8|0;g=f[e>>2]|0;h=(f[g+12>>2]|0)-(f[g+8>>2]|0)|0;g=h>>2;i=a+172|0;Gi(i,g+-1|0);if(!((g|0)!=1&(h|0)>0)){u=c;return 1}h=a+12|0;a=0;j=0;while(1){k=f[(f[(f[e>>2]|0)+8>>2]|0)+(a<<2)>>2]|0;if(!(f[k+56>>2]|0))l=j;else{m=f[i>>2]|0;f[m+(j*136|0)>>2]=a;n=f[m+(j*136|0)+104>>2]|0;o=m+(j*136|0)+108|0;p=f[o>>2]|0;if((p|0)!=(n|0))f[o>>2]=p+(~((p+-4-n|0)>>>2)<<2);n=f[h>>2]|0;gk(m+(j*136|0)+104|0,(f[n+4>>2]|0)-(f[n>>2]|0)>>2);n=(f[i>>2]|0)+(j*136|0)+116|0;m=f[h>>2]|0;p=(f[m+4>>2]|0)-(f[m>>2]|0)>>2;f[d>>2]=-1;hg(n,p,d);p=f[i>>2]|0;f[p+(j*136|0)+128>>2]=0;Gc(p+(j*136|0)+4|0,f[e>>2]|0,f[h>>2]|0,k)|0;l=j+1|0}a=a+1|0;if((a|0)>=(g|0))break;else j=l}u=c;return 1}function Eg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;h=g;if(d-g>>2>>>0>=b>>>0){sj(g|0,0,b<<2|0)|0;f[e>>2]=g+(b<<2);return}i=f[a>>2]|0;j=g-i>>2;g=j+b|0;k=i;if(g>>>0>1073741823)aq(a);l=d-i|0;d=l>>1;m=l>>2>>>0<536870911?(d>>>0>>0?g:d):1073741823;do if(m)if(m>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}else{n=ln(m<<2)|0;break}else n=0;while(0);d=n+(j<<2)|0;sj(d|0,0,b<<2|0)|0;b=d;j=n+(m<<2)|0;m=n+(g<<2)|0;if((h|0)==(k|0)){o=b;p=i;q=h}else{i=h;h=b;b=d;do{i=i+-4|0;d=f[i>>2]|0;f[i>>2]=0;f[b+-4>>2]=d;b=h+-4|0;h=b}while((i|0)!=(k|0));o=h;p=f[a>>2]|0;q=f[e>>2]|0}f[a>>2]=o;f[e>>2]=m;f[c>>2]=j;j=p;if((q|0)!=(j|0)){c=q;do{c=c+-4|0;q=f[c>>2]|0;f[c>>2]=0;if(q|0)Va[f[(f[q>>2]|0)+4>>2]&127](q)}while((c|0)!=(j|0))}if(!p)return;Oq(p);return}function Fg(a,c,d,e,g,h){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=$(h);var i=0,j=0,k=0,l=0,m=0,n=0;i=u;u=u+16|0;j=i;k=i+4|0;f[j>>2]=c;c=ln(32)|0;f[k>>2]=c;f[k+8>>2]=-2147483616;f[k+4>>2]=17;l=c;m=14495;n=l+17|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[c+17>>0]=0;Xj(Hd(a,j)|0,k,d);if((b[k+11>>0]|0)<0)Oq(f[k>>2]|0);d=ln(32)|0;f[k>>2]=d;f[k+8>>2]=-2147483616;f[k+4>>2]=19;l=d;m=14438;n=l+19|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[d+19>>0]=0;si(Hd(a,j)|0,k,g,e);if((b[k+11>>0]|0)<0)Oq(f[k>>2]|0);e=ln(32)|0;f[k>>2]=e;f[k+8>>2]=-2147483616;f[k+4>>2]=18;l=e;m=14458;n=l+18|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[e+18>>0]=0;Tj(Hd(a,j)|0,k,h);if((b[k+11>>0]|0)>=0){u=i;return}Oq(f[k>>2]|0);u=i;return}function Gg(a){a=a|0;tk(a);tk(a+32|0);tk(a+64|0);tk(a+96|0);tk(a+128|0);tk(a+160|0);tk(a+192|0);tk(a+224|0);tk(a+256|0);tk(a+288|0);tk(a+320|0);tk(a+352|0);tk(a+384|0);tk(a+416|0);tk(a+448|0);tk(a+480|0);tk(a+512|0);tk(a+544|0);tk(a+576|0);tk(a+608|0);tk(a+640|0);tk(a+672|0);tk(a+704|0);tk(a+736|0);tk(a+768|0);tk(a+800|0);tk(a+832|0);tk(a+864|0);tk(a+896|0);tk(a+928|0);tk(a+960|0);tk(a+992|0);tk(a+1024|0);return}function Hg(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;c=u;u=u+16|0;d=c;if(b[a+288>>0]|0){u=c;return 1}e=a+8|0;g=f[e>>2]|0;h=(f[g+12>>2]|0)-(f[g+8>>2]|0)|0;g=h>>2;i=a+172|0;Gi(i,g+-1|0);if(!((g|0)!=1&(h|0)>0)){u=c;return 1}h=a+12|0;a=0;j=0;while(1){k=f[(f[(f[e>>2]|0)+8>>2]|0)+(a<<2)>>2]|0;if(!(f[k+56>>2]|0))l=j;else{m=f[i>>2]|0;f[m+(j*136|0)>>2]=a;n=f[m+(j*136|0)+104>>2]|0;o=m+(j*136|0)+108|0;p=f[o>>2]|0;if((p|0)!=(n|0))f[o>>2]=p+(~((p+-4-n|0)>>>2)<<2);n=f[h>>2]|0;gk(m+(j*136|0)+104|0,(f[n+4>>2]|0)-(f[n>>2]|0)>>2);n=(f[i>>2]|0)+(j*136|0)+116|0;m=f[h>>2]|0;p=(f[m+4>>2]|0)-(f[m>>2]|0)>>2;f[d>>2]=-1;hg(n,p,d);p=f[i>>2]|0;f[p+(j*136|0)+128>>2]=0;Gc(p+(j*136|0)+4|0,f[e>>2]|0,f[h>>2]|0,k)|0;l=j+1|0}a=a+1|0;if((a|0)>=(g|0))break;else j=l}u=c;return 1}function Ig(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=c;e=b;g=d-e|0;h=g>>2;i=a+8|0;j=f[i>>2]|0;k=f[a>>2]|0;l=k;if(h>>>0<=j-k>>2>>>0){m=a+4|0;n=(f[m>>2]|0)-k>>2;o=h>>>0>n>>>0;p=o?b+(n<<2)|0:c;c=p;n=c-e|0;e=n>>2;if(e|0)im(k|0,b|0,n|0)|0;n=l+(e<<2)|0;if(o){o=d-c|0;if((o|0)<=0)return;kh(f[m>>2]|0,p|0,o|0)|0;f[m>>2]=(f[m>>2]|0)+(o>>>2<<2);return}else{o=f[m>>2]|0;if((o|0)==(n|0))return;f[m>>2]=o+(~((o+-4-n|0)>>>2)<<2);return}}n=k;if(!k)q=j;else{j=a+4|0;o=f[j>>2]|0;if((o|0)!=(l|0))f[j>>2]=o+(~((o+-4-k|0)>>>2)<<2);Oq(n);f[i>>2]=0;f[j>>2]=0;f[a>>2]=0;q=0}if(h>>>0>1073741823)aq(a);j=q>>1;n=q>>2>>>0<536870911?(j>>>0>>0?h:j):1073741823;if(n>>>0>1073741823)aq(a);j=ln(n<<2)|0;h=a+4|0;f[h>>2]=j;f[a>>2]=j;f[i>>2]=j+(n<<2);if((g|0)<=0)return;kh(j|0,b|0,g|0)|0;f[h>>2]=j+(g>>>2<<2);return}function Jg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0.0,p=0,q=0.0,r=0.0,s=0.0,t=0,v=0.0;e=u;u=u+16|0;g=e;h=c+1|0;f[g>>2]=0;i=g+4|0;f[i>>2]=0;f[g+8>>2]=0;do if(h)if(h>>>0>1073741823)aq(g);else{j=ln(h<<2)|0;f[g>>2]=j;k=j+(h<<2)|0;f[g+8>>2]=k;sj(j|0,0,(c<<2)+4|0)|0;f[i>>2]=k;l=j;m=k;n=j;break}else{l=0;m=0;n=0}while(0);if((b|0)>0){g=0;do{j=l+(f[a+(g<<2)>>2]<<2)|0;f[j>>2]=(f[j>>2]|0)+1;g=g+1|0}while((g|0)!=(b|0))}o=+(b|0);if((c|0)<0){p=0;q=0.0}else{c=0;r=0.0;b=0;while(1){g=f[l+(b<<2)>>2]|0;s=+(g|0);if((g|0)>0){t=c+1|0;v=r+ +Zg(s/o)*s}else{t=c;v=r}b=b+1|0;if((b|0)==(h|0)){p=t;q=v;break}else{c=t;r=v}}}if(d|0)f[d>>2]=p;v=-q;p=~~v>>>0;d=+K(v)>=1.0?(v>0.0?~~+Y(+J(v/4294967296.0),4294967295.0)>>>0:~~+W((v-+(~~v>>>0))/4294967296.0)>>>0):0;if(!l){I=d;u=e;return p|0}if((m|0)!=(l|0))f[i>>2]=m+(~((m+-4-l|0)>>>2)<<2);Oq(n);I=d;u=e;return p|0}function Kg(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;e=u;u=u+16|0;g=e+4|0;h=e;i=ln(32)|0;f[a>>2]=i;f[a+4>>2]=c+4;c=a+8|0;b[c>>0]=0;f[i+16>>2]=f[d>>2];a=i+20|0;f[i+24>>2]=0;f[i+28>>2]=0;j=i+24|0;f[a>>2]=j;i=f[d+4>>2]|0;k=d+8|0;if((i|0)==(k|0)){b[c>>0]=1;u=e;return}d=j;j=i;while(1){i=j+16|0;f[h>>2]=d;f[g>>2]=f[h>>2];ph(a,g,i,i)|0;i=f[j+4>>2]|0;if(!i){l=j+8|0;m=f[l>>2]|0;if((f[m>>2]|0)==(j|0))n=m;else{m=l;do{l=f[m>>2]|0;m=l+8|0;o=f[m>>2]|0}while((f[o>>2]|0)!=(l|0));n=o}}else{m=i;while(1){o=f[m>>2]|0;if(!o)break;else m=o}n=m}if((n|0)==(k|0))break;else j=n}b[c>>0]=1;u=e;return}function Lg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=u;u=u+16|0;e=d;f[e>>2]=b;g=a+8|0;if(((f[a+12>>2]|0)-(f[g>>2]|0)>>2|0)<=(b|0))Bh(g,b+1|0);h=f[(f[c>>2]|0)+56>>2]|0;do if((h|0)<5){i=a+20+(h*12|0)+4|0;j=f[i>>2]|0;if((j|0)==(f[a+20+(h*12|0)+8>>2]|0)){Ri(a+20+(h*12|0)|0,e);break}else{f[j>>2]=b;f[i>>2]=j+4;break}}while(0);b=f[c>>2]|0;h=f[e>>2]|0;f[b+60>>2]=h;e=(f[g>>2]|0)+(h<<2)|0;f[c>>2]=0;c=f[e>>2]|0;f[e>>2]=b;if(!c){u=d;return}b=c+88|0;e=f[b>>2]|0;f[b>>2]=0;if(e|0){b=f[e+8>>2]|0;if(b|0){h=e+12|0;if((f[h>>2]|0)!=(b|0))f[h>>2]=b;Oq(b)}Oq(e)}e=f[c+68>>2]|0;if(e|0){b=c+72|0;h=f[b>>2]|0;if((h|0)!=(e|0))f[b>>2]=h+(~((h+-4-e|0)>>>2)<<2);Oq(e)}e=c+64|0;h=f[e>>2]|0;f[e>>2]=0;if(h|0){e=f[h>>2]|0;if(e|0){b=h+4|0;if((f[b>>2]|0)!=(e|0))f[b>>2]=e;Oq(e)}Oq(h)}Oq(c);u=d;return}function Mg(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;b=u;u=u+16|0;c=b+4|0;d=b;e=a+8|0;g=f[e>>2]|0;gk(f[a+4>>2]|0,(f[g+56>>2]|0)-(f[g+52>>2]|0)>>2);g=a+84|0;a=f[g>>2]|0;if(!a){h=f[(f[e>>2]|0)+64>>2]|0;i=(f[h+4>>2]|0)-(f[h>>2]|0)>>2;h=(i>>>0)/3|0;if(i>>>0<=2){u=b;return 1}i=0;do{f[d>>2]=i*3;f[c>>2]=f[d>>2];Zb(e,c);i=i+1|0}while((i|0)<(h|0));u=b;return 1}else{h=f[a>>2]|0;if((f[a+4>>2]|0)==(h|0)){u=b;return 1}a=0;i=h;do{f[d>>2]=f[i+(a<<2)>>2];f[c>>2]=f[d>>2];Zb(e,c);a=a+1|0;h=f[g>>2]|0;i=f[h>>2]|0}while(a>>>0<(f[h+4>>2]|0)-i>>2>>>0);u=b;return 1}return 0}function Ng(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0;d=u;u=u+48|0;e=d+16|0;g=d;h=d+32|0;i=a+28|0;j=f[i>>2]|0;f[h>>2]=j;k=a+20|0;l=(f[k>>2]|0)-j|0;f[h+4>>2]=l;f[h+8>>2]=b;f[h+12>>2]=c;b=l+c|0;l=a+60|0;f[g>>2]=f[l>>2];f[g+4>>2]=h;f[g+8>>2]=2;j=to(Aa(146,g|0)|0)|0;a:do if((b|0)!=(j|0)){g=2;m=b;n=h;o=j;while(1){if((o|0)<0)break;m=m-o|0;p=f[n+4>>2]|0;q=o>>>0>p>>>0;r=q?n+8|0:n;s=g+(q<<31>>31)|0;t=o-(q?p:0)|0;f[r>>2]=(f[r>>2]|0)+t;p=r+4|0;f[p>>2]=(f[p>>2]|0)-t;f[e>>2]=f[l>>2];f[e+4>>2]=r;f[e+8>>2]=s;o=to(Aa(146,e|0)|0)|0;if((m|0)==(o|0)){v=3;break a}else{g=s;n=r}}f[a+16>>2]=0;f[i>>2]=0;f[k>>2]=0;f[a>>2]=f[a>>2]|32;if((g|0)==2)w=0;else w=c-(f[n+4>>2]|0)|0}else v=3;while(0);if((v|0)==3){v=f[a+44>>2]|0;f[a+16>>2]=v+(f[a+48>>2]|0);a=v;f[i>>2]=a;f[k>>2]=a;w=c}u=d;return w|0}function Og(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;f[a>>2]=6192;b=f[a+68>>2]|0;if(b|0){c=a+72|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+56>>2]|0;if(b|0){d=a+60|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+44>>2]|0;if(b|0){c=a+48|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+32>>2]|0;if(b|0){d=a+36|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+20>>2]|0;if(b|0){c=a+24|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}hi(a+8|0);b=a+4|0;a=f[b>>2]|0;f[b>>2]=0;if(!a)return;b=a+40|0;d=f[b>>2]|0;if(d|0){c=a+44|0;e=f[c>>2]|0;if((e|0)==(d|0))g=d;else{h=e;do{e=h+-4|0;f[c>>2]=e;i=f[e>>2]|0;f[e>>2]=0;if(i|0){bj(i);Oq(i)}h=f[c>>2]|0}while((h|0)!=(d|0));g=f[b>>2]|0}Oq(g)}bj(a);Oq(a);return}function Pg(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;c=a+12|0;d=f[a>>2]|0;e=a+8|0;g=f[e>>2]|0;h=(g|0)==-1;if(!(b[c>>0]|0)){do if(((!h?(i=(((g>>>0)%3|0|0)==0?2:-1)+g|0,(i|0)!=-1):0)?(f[(f[d>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)==0:0)?(j=f[(f[(f[d+64>>2]|0)+12>>2]|0)+(i<<2)>>2]|0,(j|0)!=-1):0)if(!((j>>>0)%3|0)){k=j+2|0;break}else{k=j+-1|0;break}else k=-1;while(0);f[e>>2]=k;return}k=g+1|0;if(((!h?(h=((k>>>0)%3|0|0)==0?g+-2|0:k,(h|0)!=-1):0)?(f[(f[d>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0)==0:0)?(k=f[(f[(f[d+64>>2]|0)+12>>2]|0)+(h<<2)>>2]|0,h=k+1|0,(k|0)!=-1):0){g=((h>>>0)%3|0|0)==0?k+-2|0:h;f[e>>2]=g;if((g|0)!=-1){if((g|0)!=(f[a+4>>2]|0))return;f[e>>2]=-1;return}}else f[e>>2]=-1;g=f[a+4>>2]|0;do if((((g|0)!=-1?(a=(((g>>>0)%3|0|0)==0?2:-1)+g|0,(a|0)!=-1):0)?(f[(f[d>>2]|0)+(a>>>5<<2)>>2]&1<<(a&31)|0)==0:0)?(h=f[(f[(f[d+64>>2]|0)+12>>2]|0)+(a<<2)>>2]|0,(h|0)!=-1):0)if(!((h>>>0)%3|0)){l=h+2|0;break}else{l=h+-1|0;break}else l=-1;while(0);f[e>>2]=l;b[c>>0]=0;return}function Qg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d>>2;g=e+1|0;if(g>>>0>1073741823)aq(a);h=a+8|0;i=(f[h>>2]|0)-d|0;d=i>>1;j=i>>2>>>0<536870911?(d>>>0>>0?g:d):1073741823;do if(j)if(j>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}else{k=ln(j<<2)|0;break}else k=0;while(0);d=k+(e<<2)|0;e=d;g=k+(j<<2)|0;j=f[b>>2]|0;f[b>>2]=0;f[d>>2]=j;j=d+4|0;b=f[a>>2]|0;k=f[c>>2]|0;if((k|0)==(b|0)){l=e;m=b;n=b}else{i=k;k=e;e=d;do{i=i+-4|0;d=f[i>>2]|0;f[i>>2]=0;f[e+-4>>2]=d;e=k+-4|0;k=e}while((i|0)!=(b|0));l=k;m=f[a>>2]|0;n=f[c>>2]|0}f[a>>2]=l;f[c>>2]=j;f[h>>2]=g;g=m;if((n|0)!=(g|0)){h=n;do{h=h+-4|0;n=f[h>>2]|0;f[h>>2]=0;if(n|0)Va[f[(f[n>>2]|0)+4>>2]&127](n)}while((h|0)!=(g|0))}if(!m)return;Oq(m);return}function Rg(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=a+4|0;a=f[d>>2]|0;do if(a|0){e=b[c+11>>0]|0;g=e<<24>>24<0;h=g?f[c+4>>2]|0:e&255;e=g?f[c>>2]|0:c;g=d;i=a;a:while(1){j=i;while(1){k=j+16|0;l=b[k+11>>0]|0;m=l<<24>>24<0;n=m?f[j+20>>2]|0:l&255;l=h>>>0>>0?h:n;if((l|0)!=0?(o=Vk(m?f[k>>2]|0:k,e,l)|0,(o|0)!=0):0){if((o|0)>=0)break}else p=6;if((p|0)==6?(p=0,n>>>0>=h>>>0):0)break;n=f[j+4>>2]|0;if(!n){q=g;break a}else j=n}i=f[j>>2]|0;if(!i){q=j;break}else g=j}if((q|0)!=(d|0)){g=q+16|0;i=b[g+11>>0]|0;n=i<<24>>24<0;o=n?f[q+20>>2]|0:i&255;i=o>>>0>>0?o:h;if(i|0?(l=Vk(e,n?f[g>>2]|0:g,i)|0,l|0):0){if((l|0)<0)break;else r=q;return r|0}if(h>>>0>=o>>>0){r=q;return r|0}}}while(0);r=d;return r|0}function Sg(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=a+8|0;f[c>>2]=f[b>>2];fg(a+12|0,b+4|0)|0;d=a+44|0;e=b+36|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];if((c|0)==(b|0)){f[a+96>>2]=f[b+88>>2];return}else{ng(a+60|0,f[b+52>>2]|0,f[b+56>>2]|0);ng(a+72|0,f[b+64>>2]|0,f[b+68>>2]|0);ng(a+84|0,f[b+76>>2]|0,f[b+80>>2]|0);f[a+96>>2]=f[b+88>>2];Ig(a+100|0,f[b+92>>2]|0,f[b+96>>2]|0);return}}function Tg(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;d=a+8|0;e=f[d>>2]|0;g=a+4|0;h=f[g>>2]|0;if(((e-h|0)/12|0)>>>0>=b>>>0){i=b;j=h;do{f[j>>2]=f[c>>2];f[j+4>>2]=f[c+4>>2];f[j+8>>2]=f[c+8>>2];j=(f[g>>2]|0)+12|0;f[g>>2]=j;i=i+-1|0}while((i|0)!=0);return}i=f[a>>2]|0;j=(h-i|0)/12|0;h=j+b|0;if(h>>>0>357913941)aq(a);k=(e-i|0)/12|0;i=k<<1;e=k>>>0<178956970?(i>>>0>>0?h:i):357913941;do if(e)if(e>>>0>357913941){i=ra(8)|0;Oo(i,16035);f[i>>2]=7256;va(i|0,1112,110)}else{l=ln(e*12|0)|0;break}else l=0;while(0);i=l+(j*12|0)|0;j=l+(e*12|0)|0;e=b;b=i;l=i;do{f[b>>2]=f[c>>2];f[b+4>>2]=f[c+4>>2];f[b+8>>2]=f[c+8>>2];b=l+12|0;l=b;e=e+-1|0}while((e|0)!=0);e=f[a>>2]|0;b=(f[g>>2]|0)-e|0;c=i+(((b|0)/-12|0)*12|0)|0;if((b|0)>0)kh(c|0,e|0,b|0)|0;f[a>>2]=c;f[g>>2]=l;f[d>>2]=j;if(!e)return;Oq(e);return}function Ug(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d>>2;g=e+1|0;if(g>>>0>1073741823)aq(a);h=a+8|0;i=(f[h>>2]|0)-d|0;d=i>>1;j=i>>2>>>0<536870911?(d>>>0>>0?g:d):1073741823;do if(j)if(j>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}else{k=ln(j<<2)|0;break}else k=0;while(0);d=k+(e<<2)|0;e=d;g=k+(j<<2)|0;j=f[b>>2]|0;f[b>>2]=0;f[d>>2]=j;j=d+4|0;b=f[a>>2]|0;k=f[c>>2]|0;if((k|0)==(b|0)){l=e;m=b;n=b}else{i=k;k=e;e=d;do{i=i+-4|0;d=f[i>>2]|0;f[i>>2]=0;f[e+-4>>2]=d;e=k+-4|0;k=e}while((i|0)!=(b|0));l=k;m=f[a>>2]|0;n=f[c>>2]|0}f[a>>2]=l;f[c>>2]=j;f[h>>2]=g;g=m;if((n|0)!=(g|0)){h=n;do{h=h+-4|0;n=f[h>>2]|0;f[h>>2]=0;if(n|0){bj(n);Oq(n)}}while((h|0)!=(g|0))}if(!m)return;Oq(m);return}function Vg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;e=f[b>>2]|0;g=f[a>>2]|0;h=f[d>>2]|0;d=f[h>>2]|0;i=(f[h+4>>2]|0)-d>>3;if(i>>>0<=e>>>0)aq(h);j=d;if(i>>>0<=g>>>0)aq(h);d=f[j+(e<<3)>>2]|0;k=f[c>>2]|0;if(i>>>0<=k>>>0)aq(h);l=j+(g<<3)|0;m=(f[j+(k<<3)>>2]|0)>>>0>>0;if(d>>>0<(f[l>>2]|0)>>>0){if(m){f[a>>2]=k;f[c>>2]=g;n=1;return n|0}f[a>>2]=e;f[b>>2]=g;d=f[c>>2]|0;if(i>>>0<=d>>>0)aq(h);if((f[j+(d<<3)>>2]|0)>>>0>=(f[l>>2]|0)>>>0){n=1;return n|0}f[b>>2]=d;f[c>>2]=g;n=2;return n|0}if(!m){n=0;return n|0}f[b>>2]=k;f[c>>2]=e;e=f[b>>2]|0;c=f[a>>2]|0;if(i>>>0<=e>>>0)aq(h);if(i>>>0<=c>>>0)aq(h);if((f[j+(e<<3)>>2]|0)>>>0>=(f[j+(c<<3)>>2]|0)>>>0){n=1;return n|0}f[a>>2]=e;f[b>>2]=c;n=2;return n|0}function Wg(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;b=u;u=u+16|0;c=b+4|0;d=b;e=a+8|0;g=f[e>>2]|0;gk(f[a+4>>2]|0,(f[g+28>>2]|0)-(f[g+24>>2]|0)>>2);g=a+84|0;a=f[g>>2]|0;if(!a){h=f[e>>2]|0;i=(f[h+4>>2]|0)-(f[h>>2]|0)>>2;h=(i>>>0)/3|0;if(i>>>0<=2){u=b;return 1}i=0;do{f[d>>2]=i*3;f[c>>2]=f[d>>2];dc(e,c);i=i+1|0}while((i|0)<(h|0));u=b;return 1}else{h=f[a>>2]|0;if((f[a+4>>2]|0)==(h|0)){u=b;return 1}a=0;i=h;do{f[d>>2]=f[i+(a<<2)>>2];f[c>>2]=f[d>>2];dc(e,c);a=a+1|0;h=f[g>>2]|0;i=f[h>>2]|0}while(a>>>0<(f[h+4>>2]|0)-i>>2>>>0);u=b;return 1}return 0}function Xg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;a=u;u=u+16|0;e=a;if(!b){g=0;u=a;return g|0}h=b+96|0;i=b+100|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;b=f[i>>2]|0;j=f[h>>2]|0;k=(b-j|0)/12|0;l=j;j=b;if(k>>>0>=c>>>0){if(k>>>0>c>>>0?(b=l+(c*12|0)|0,(b|0)!=(j|0)):0)f[i>>2]=j+(~(((j+-12-b|0)>>>0)/12|0)*12|0);if(!c){g=1;u=a;return g|0}}else Tg(h,c-k|0,e);k=0;b=f[h>>2]|0;while(1){j=k*3|0;l=f[d+(j<<2)>>2]|0;m=f[d+(j+1<<2)>>2]|0;n=f[d+(j+2<<2)>>2]|0;j=((f[i>>2]|0)-b|0)/12|0;o=k;k=k+1|0;if(o>>>0>>0){p=b;q=b}else{f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;Tg(h,k-j|0,e);j=f[h>>2]|0;p=j;q=j}f[p+(o*12|0)>>2]=l;f[p+(o*12|0)+4>>2]=m;f[p+(o*12|0)+8>>2]=n;if((k|0)==(c|0)){g=1;break}else b=q}u=a;return g|0}function Yg(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0;e=u;u=u+80|0;g=e+36|0;h=e;ao(g,c);Ke(h,b,c);Ph(g,h);Ej(h+24|0,f[h+28>>2]|0);Oj(h+12|0,f[h+16>>2]|0);Ej(h,f[h+4>>2]|0);cj(a,g,d);Ej(g+24|0,f[g+28>>2]|0);Oj(g+12|0,f[g+16>>2]|0);Ej(g,f[g+4>>2]|0);u=e;return}function Zg(a){a=+a;var b=0,c=0,d=0,e=0.0,g=0,h=0,i=0,j=0,k=0,l=0,m=0.0,n=0.0,o=0.0,q=0.0,r=0.0,t=0.0;p[s>>3]=a;b=f[s>>2]|0;c=f[s+4>>2]|0;d=(c|0)<0;do if(d|c>>>0<1048576){if((b|0)==0&(c&2147483647|0)==0){e=-1.0/(a*a);break}if(d){e=(a-a)/0.0;break}else{p[s>>3]=a*18014398509481984.0;g=f[s+4>>2]|0;h=-1077;i=g;j=f[s>>2]|0;k=g;l=9;break}}else if(c>>>0<=2146435071)if((b|0)==0&0==0&(c|0)==1072693248)e=0.0;else{h=-1023;i=c;j=b;k=c;l=9}else e=a;while(0);if((l|0)==9){l=i+614242|0;f[s>>2]=j;f[s+4>>2]=(l&1048575)+1072079006;a=+p[s>>3]+-1.0;m=a*a*.5;n=a/(a+2.0);o=n*n;q=o*o;p[s>>3]=a-m;j=f[s+4>>2]|0;f[s>>2]=0;f[s+4>>2]=j;r=+p[s>>3];t=a-r-m+n*(m+(q*(q*(q*.15313837699209373+.22222198432149784)+.3999999999940942)+o*(q*(q*(q*.14798198605116586+.1818357216161805)+.2857142874366239)+.6666666666666735)));q=r*1.4426950407214463;o=+(h+(l>>>20)|0);m=q+o;e=m+(q+(o-m)+(t*1.4426950407214463+(t+r)*1.6751713164886512e-10))}return +e}function _g(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;d=u;u=u+16|0;e=d;g=ln(32)|0;f[e>>2]=g;f[e+8>>2]=-2147483616;f[e+4>>2]=17;h=g;i=14390;j=h+17|0;do{b[h>>0]=b[i>>0]|0;h=h+1|0;i=i+1|0}while((h|0)<(j|0));b[g+17>>0]=0;g=c+16|0;i=f[g>>2]|0;if(i){h=g;j=i;a:while(1){i=j;while(1){if((f[i+16>>2]|0)>=(a|0))break;k=f[i+4>>2]|0;if(!k){l=h;break a}else i=k}j=f[i>>2]|0;if(!j){l=i;break}else h=i}if(((l|0)!=(g|0)?(f[l+16>>2]|0)<=(a|0):0)?(a=l+20|0,(Jh(a,e)|0)!=0):0)m=a;else n=10}else n=10;if((n|0)==10)m=c;c=Hk(m,e,-1)|0;if((b[e+11>>0]|0)>=0){o=(c|0)==-1;p=c>>>0>6;q=p?-2:c;r=o?-1:q;u=d;return r|0}Oq(f[e>>2]|0);o=(c|0)==-1;p=c>>>0>6;q=p?-2:c;r=o?-1:q;u=d;return r|0}function $g(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0;d=u;u=u+16|0;e=d;g=f[c>>2]|0;f[c>>2]=0;f[e>>2]=g;Lg(a,b,e);g=f[e>>2]|0;f[e>>2]=0;if(g|0){e=g+88|0;c=f[e>>2]|0;f[e>>2]=0;if(c|0){e=f[c+8>>2]|0;if(e|0){h=c+12|0;if((f[h>>2]|0)!=(e|0))f[h>>2]=e;Oq(e)}Oq(c)}c=f[g+68>>2]|0;if(c|0){e=g+72|0;h=f[e>>2]|0;if((h|0)!=(c|0))f[e>>2]=h+(~((h+-4-c|0)>>>2)<<2);Oq(c)}c=g+64|0;h=f[c>>2]|0;f[c>>2]=0;if(h|0){c=f[h>>2]|0;if(c|0){e=h+4|0;if((f[e>>2]|0)!=(c|0))f[e>>2]=c;Oq(c)}Oq(h)}Oq(g)}g=a+84|0;h=a+88|0;a=f[h>>2]|0;c=f[g>>2]|0;e=a-c>>2;if((e|0)>(b|0)){u=d;return}i=b+1|0;b=a;if(i>>>0>e>>>0){Fh(g,i-e|0);u=d;return}if(i>>>0>=e>>>0){u=d;return}e=c+(i<<2)|0;if((e|0)==(b|0)){u=d;return}f[h>>2]=b+(~((b+-4-e|0)>>>2)<<2);u=d;return}function ah(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;g=a+4|0;f[g>>2]=c;f[a+8>>2]=f[c+52>>2];h=f[a+184>>2]|0;i=a+188|0;j=f[i>>2]|0;if((j|0)!=(h|0))f[i>>2]=j+(~((j+-4-h|0)>>>2)<<2);h=f[c+48>>2]|0;c=ln(32)|0;f[e>>2]=c;f[e+8>>2]=-2147483616;f[e+4>>2]=19;j=c;i=15351;k=j+19|0;do{b[j>>0]=b[i>>0]|0;j=j+1|0;i=i+1|0}while((j|0)<(k|0));b[c+19>>0]=0;c=(Jh(h,e)|0)==0;if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);h=f[(f[g>>2]|0)+48>>2]|0;if(c){c=(mi(h)|0)>5&1;b[a+352>>0]=c;u=d;return 1}c=ln(32)|0;f[e>>2]=c;f[e+8>>2]=-2147483616;f[e+4>>2]=19;j=c;i=15351;k=j+19|0;do{b[j>>0]=b[i>>0]|0;j=j+1|0;i=i+1|0}while((j|0)<(k|0));b[c+19>>0]=0;c=(Yj(h,e,0)|0)&1;b[a+352>>0]=c;if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);u=d;return 1}function bh(a){a=a|0;var c=0,d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0;c=a+108|0;d=(f[a+112>>2]|0)-(f[c>>2]|0)|0;e=(d|0)/12|0;g=a+4|0;ci(e,f[(f[g>>2]|0)+44>>2]|0)|0;if(!d)return 1;d=0;a=0;while(1){i=f[c>>2]|0;j=i+(d*12|0)+4|0;ci((f[j>>2]|0)-a|0,f[(f[g>>2]|0)+44>>2]|0)|0;ci((f[j>>2]|0)-(f[i+(d*12|0)>>2]|0)|0,f[(f[g>>2]|0)+44>>2]|0)|0;d=d+1|0;if(d>>>0>=e>>>0)break;else a=f[j>>2]|0}zi(f[(f[g>>2]|0)+44>>2]|0,e,0,0)|0;a=0;do{d=f[(f[g>>2]|0)+44>>2]|0;j=d+16|0;i=f[j+4>>2]|0;if((i|0)>0|(i|0)==0&(f[j>>2]|0)>>>0>0){j=f[d+12>>2]|0;d=j+4|0;i=f[d>>2]|0;k=b[(f[c>>2]|0)+(a*12|0)+8>>0]&1;l=i>>>3;m=i&7;i=(f[j>>2]|0)+l|0;b[i>>0]=(1<>0]|0);i=(f[j>>2]|0)+l|0;b[i>>0]=k<>0]|0);f[d>>2]=(f[d>>2]|0)+1}a=a+1|0}while(a>>>0>>0);eg(f[(f[g>>2]|0)+44>>2]|0);return 1}function ch(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0;e=u;u=u+80|0;g=e+36|0;h=e;io(g,c);Ke(h,b,c);Ph(g,h);Ej(h+24|0,f[h+28>>2]|0);Oj(h+12|0,f[h+16>>2]|0);Ej(h,f[h+4>>2]|0);cj(a,g,d);Ej(g+24|0,f[g+28>>2]|0);Oj(g+12|0,f[g+16>>2]|0);Ej(g,f[g+4>>2]|0);u=e;return}function dh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;g=a+4|0;f[g>>2]=c;f[a+8>>2]=f[c+52>>2];h=f[a+184>>2]|0;i=a+188|0;j=f[i>>2]|0;if((j|0)!=(h|0))f[i>>2]=j+(~((j+-4-h|0)>>>2)<<2);h=f[c+48>>2]|0;c=ln(32)|0;f[e>>2]=c;f[e+8>>2]=-2147483616;f[e+4>>2]=19;j=c;i=15351;k=j+19|0;do{b[j>>0]=b[i>>0]|0;j=j+1|0;i=i+1|0}while((j|0)<(k|0));b[c+19>>0]=0;c=(Jh(h,e)|0)==0;if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);h=f[(f[g>>2]|0)+48>>2]|0;if(c){c=(mi(h)|0)>5&1;b[a+288>>0]=c;u=d;return 1}c=ln(32)|0;f[e>>2]=c;f[e+8>>2]=-2147483616;f[e+4>>2]=19;j=c;i=15351;k=j+19|0;do{b[j>>0]=b[i>>0]|0;j=j+1|0;i=i+1|0}while((j|0)<(k|0));b[c+19>>0]=0;c=(Yj(h,e,0)|0)&1;b[a+288>>0]=c;if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);u=d;return 1}function eh(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;g=u;u=u+32|0;h=g+16|0;i=g+8|0;j=g;k=d-e|0;d=a+8|0;if((k|0)>0){a=0-e|0;l=i+4|0;m=j+4|0;n=h+4|0;o=k;do{k=b+(o<<2)|0;p=k+(a<<2)|0;q=c+(o<<2)|0;r=f[k+4>>2]|0;s=f[p>>2]|0;t=f[p+4>>2]|0;f[i>>2]=f[k>>2];f[l>>2]=r;f[j>>2]=s;f[m>>2]=t;Od(h,d,i,j);f[q>>2]=f[h>>2];f[q+4>>2]=f[n>>2];o=o-e|0}while((o|0)>0)}o=e>>>0>1073741823?-1:e<<2;e=Lq(o)|0;sj(e|0,0,o|0)|0;o=f[b+4>>2]|0;n=f[e>>2]|0;m=f[e+4>>2]|0;f[i>>2]=f[b>>2];f[i+4>>2]=o;f[j>>2]=n;f[j+4>>2]=m;Od(h,d,i,j);f[c>>2]=f[h>>2];f[c+4>>2]=f[h+4>>2];Mq(e);u=g;return 1}function fh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+32|0;d=c+12|0;e=c;g=f[b+100>>2]|0;h=f[b+96>>2]|0;b=g-h|0;i=(b|0)/12|0;f[d>>2]=0;j=d+4|0;f[j>>2]=0;f[d+8>>2]=0;k=h;do if(b)if(i>>>0>357913941)aq(d);else{l=ln(b)|0;f[d>>2]=l;f[d+8>>2]=l+(i*12|0);sj(l|0,0,b|0)|0;f[j>>2]=l+b;m=l;break}else m=0;while(0);f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;if((g|0)!=(h|0)){h=e+4|0;g=e+8|0;b=0;do{l=k+(b*12|0)|0;f[e>>2]=f[l>>2];f[e+4>>2]=f[l+4>>2];f[e+8>>2]=f[l+8>>2];f[m+(b*12|0)>>2]=f[e>>2];f[m+(b*12|0)+4>>2]=f[h>>2];f[m+(b*12|0)+8>>2]=f[g>>2];b=b+1|0}while(b>>>0>>0)}Kj(a,d);a=f[d>>2]|0;if(!a){u=c;return}d=f[j>>2]|0;if((d|0)!=(a|0))f[j>>2]=d+(~(((d+-12-a|0)>>>0)/12|0)*12|0);Oq(a);u=c;return}function gh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;if(c>>>0>4294967279)aq(a);d=a+11|0;e=b[d>>0]|0;g=e<<24>>24<0;if(g){h=f[a+4>>2]|0;i=(f[a+8>>2]&2147483647)+-1|0}else{h=e&255;i=10}j=h>>>0>c>>>0?h:c;c=j>>>0<11;k=c?10:(j+16&-16)+-1|0;do if((k|0)!=(i|0)){do if(c){j=f[a>>2]|0;if(g){l=0;m=j;n=a;o=13}else{Fo(a,j,(e&255)+1|0)|0;Oq(j);o=16}}else{j=k+1|0;p=ln(j)|0;if(g){l=1;m=f[a>>2]|0;n=p;o=13;break}else{Fo(p,a,(e&255)+1|0)|0;q=p;r=j;s=a+4|0;o=15;break}}while(0);if((o|0)==13){j=a+4|0;Fo(n,m,(f[j>>2]|0)+1|0)|0;Oq(m);if(l){q=n;r=k+1|0;s=j;o=15}else o=16}if((o|0)==15){f[a+8>>2]=r|-2147483648;f[s>>2]=h;f[a>>2]=q;break}else if((o|0)==16){b[d>>0]=h;break}}while(0);return}function hh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=f[b>>2]|0;if((c|0)==-1){d=-1;return d|0}b=f[(f[a+24>>2]|0)+(c<<2)>>2]|0;if((b|0)==-1){d=0;return d|0}c=a+12|0;a=0;e=0;g=b;a:while(1){b:do if(e){h=a+1|0;i=(((g>>>0)%3|0|0)==0?2:-1)+g|0;if((i|0)==-1){d=h;j=15;break a}k=f[(f[c>>2]|0)+(i<<2)>>2]|0;if((k|0)==-1){d=h;j=15;break a}if(!((k>>>0)%3|0)){l=k+2|0;m=h;break}else{l=k+-1|0;m=h;break}}else{h=a;k=g;while(1){i=h+1|0;n=k+1|0;o=((n>>>0)%3|0|0)==0?k+-2|0:n;if((o|0)==-1){l=b;m=i;break b}n=f[(f[c>>2]|0)+(o<<2)>>2]|0;o=n+1|0;if((n|0)==-1){l=b;m=i;break b}k=((o>>>0)%3|0|0)==0?n+-2|0:o;if((k|0)==-1){l=b;m=i;break b}if((k|0)==(b|0)){d=i;j=15;break a}else h=i}}while(0);if((l|0)==-1){d=m;j=15;break}else{a=m;e=1;g=l}}if((j|0)==15)return d|0;return 0}function ih(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=a+8|0;Vg(a,a+4|0,d,c)|0;e=a+12|0;if((e|0)==(b|0))return;g=f[c>>2]|0;c=f[g>>2]|0;h=(f[g+4>>2]|0)-c>>3;i=c;c=e;e=d;a:while(1){d=f[c>>2]|0;j=f[e>>2]|0;if(h>>>0<=d>>>0){k=5;break}if(h>>>0<=j>>>0){k=7;break}l=i+(d<<3)|0;if((f[l>>2]|0)>>>0<(f[i+(j<<3)>>2]|0)>>>0){m=e;n=c;o=j;while(1){f[n>>2]=o;if((m|0)==(a|0)){p=a;break}j=m+-4|0;o=f[j>>2]|0;if(h>>>0<=o>>>0){k=11;break a}if((f[l>>2]|0)>>>0>=(f[i+(o<<3)>>2]|0)>>>0){p=m;break}else{q=m;m=j;n=q}}f[p>>2]=d}n=c+4|0;if((n|0)==(b|0)){k=3;break}else{m=c;c=n;e=m}}if((k|0)==3)return;else if((k|0)==5)aq(g);else if((k|0)==7)aq(g);else if((k|0)==11)aq(g)}function jh(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=Vg(a,b,c,e)|0;h=f[d>>2]|0;i=f[c>>2]|0;j=f[e>>2]|0;e=f[j>>2]|0;k=(f[j+4>>2]|0)-e>>3;if(k>>>0<=h>>>0)aq(j);l=e;if(k>>>0<=i>>>0)aq(j);if((f[l+(h<<3)>>2]|0)>>>0>=(f[l+(i<<3)>>2]|0)>>>0){m=g;return m|0}f[c>>2]=h;f[d>>2]=i;i=f[c>>2]|0;d=f[b>>2]|0;if(k>>>0<=i>>>0)aq(j);if(k>>>0<=d>>>0)aq(j);if((f[l+(i<<3)>>2]|0)>>>0>=(f[l+(d<<3)>>2]|0)>>>0){m=g+1|0;return m|0}f[b>>2]=i;f[c>>2]=d;d=f[b>>2]|0;c=f[a>>2]|0;if(k>>>0<=d>>>0)aq(j);if(k>>>0<=c>>>0)aq(j);if((f[l+(d<<3)>>2]|0)>>>0>=(f[l+(c<<3)>>2]|0)>>>0){m=g+2|0;return m|0}f[a>>2]=d;f[b>>2]=c;m=g+3|0;return m|0}function kh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0;if((d|0)>=8192)return Da(a|0,c|0,d|0)|0;e=a|0;g=a+d|0;if((a&3)==(c&3)){while(a&3){if(!d)return e|0;b[a>>0]=b[c>>0]|0;a=a+1|0;c=c+1|0;d=d-1|0}h=g&-4|0;d=h-64|0;while((a|0)<=(d|0)){f[a>>2]=f[c>>2];f[a+4>>2]=f[c+4>>2];f[a+8>>2]=f[c+8>>2];f[a+12>>2]=f[c+12>>2];f[a+16>>2]=f[c+16>>2];f[a+20>>2]=f[c+20>>2];f[a+24>>2]=f[c+24>>2];f[a+28>>2]=f[c+28>>2];f[a+32>>2]=f[c+32>>2];f[a+36>>2]=f[c+36>>2];f[a+40>>2]=f[c+40>>2];f[a+44>>2]=f[c+44>>2];f[a+48>>2]=f[c+48>>2];f[a+52>>2]=f[c+52>>2];f[a+56>>2]=f[c+56>>2];f[a+60>>2]=f[c+60>>2];a=a+64|0;c=c+64|0}while((a|0)<(h|0)){f[a>>2]=f[c>>2];a=a+4|0;c=c+4|0}}else{h=g-4|0;while((a|0)<(h|0)){b[a>>0]=b[c>>0]|0;b[a+1>>0]=b[c+1>>0]|0;b[a+2>>0]=b[c+2>>0]|0;b[a+3>>0]=b[c+3>>0]|0;a=a+4|0;c=c+4|0}}while((a|0)<(g|0)){b[a>>0]=b[c>>0]|0;a=a+1|0;c=c+1|0}return e|0}function lh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0;c=u;u=u+16|0;d=c+4|0;e=c;f[a>>2]=1232;g=a+4|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;f[g+16>>2]=0;f[g+20>>2]=0;f[g+24>>2]=0;f[g+28>>2]=0;f[d>>2]=b;b=a+4|0;g=a+8|0;Ri(b,d);h=f[d>>2]|0;i=a+20|0;j=f[i>>2]|0;k=a+16|0;a=f[k>>2]|0;l=j-a>>2;m=a;if((h|0)<(l|0)){n=m;o=h;p=f[g>>2]|0;q=f[b>>2]|0;r=p-q|0;s=r>>2;t=s+-1|0;v=n+(o<<2)|0;f[v>>2]=t;u=c;return}a=h+1|0;f[e>>2]=-1;w=j;if(a>>>0<=l>>>0)if(a>>>0>>0?(j=m+(a<<2)|0,(j|0)!=(w|0)):0){f[i>>2]=w+(~((w+-4-j|0)>>>2)<<2);x=h;y=m}else{x=h;y=m}else{Ch(k,a-l|0,e);x=f[d>>2]|0;y=f[k>>2]|0}n=y;o=x;p=f[g>>2]|0;q=f[b>>2]|0;r=p-q|0;s=r>>2;t=s+-1|0;v=n+(o<<2)|0;f[v>>2]=t;u=c;return}function mh(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;b=a+4|0;c=f[b>>2]|0;d=(f[c+12>>2]|0)-(f[c+8>>2]|0)|0;c=d>>2;a:do if((d|0)>0){e=0;while(1){if(!(Ra[f[(f[a>>2]|0)+36>>2]&127](a,e)|0)){g=0;break}e=e+1|0;h=f[b>>2]|0;i=(f[h+12>>2]|0)-(f[h+8>>2]|0)>>2;if((e|0)>=(i|0)){j=i;break a}}return g|0}else j=c;while(0);c=a+20|0;b=a+24|0;d=f[b>>2]|0;e=f[c>>2]|0;i=d-e>>2;h=e;e=d;if(j>>>0<=i>>>0){if(j>>>0>>0?(d=h+(j<<2)|0,(d|0)!=(e|0)):0)f[b>>2]=e+(~((e+-4-d|0)>>>2)<<2)}else Ci(c,j-i|0);i=f[a+12>>2]|0;j=f[a+8>>2]|0;a=j;if((i|0)==(j|0)){g=1;return g|0}d=i-j>>2;j=0;do{i=f[a+(j<<2)>>2]|0;e=f[i+8>>2]|0;b=f[i+4>>2]|0;i=b;if((e|0)!=(b|0)?(h=f[c>>2]|0,k=e-b>>2,f[h+(f[i>>2]<<2)>>2]=j,k>>>0>1):0){b=1;do{f[h+(f[i+(b<<2)>>2]<<2)>>2]=j;b=b+1|0}while(b>>>0>>0)}j=j+1|0}while(j>>>0>>0);g=1;return g|0}function nh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;d=f[c+88>>2]|0;if(!d){e=0;return e|0}if((f[d>>2]|0)!=1){e=0;return e|0}g=d+8|0;d=f[g>>2]|0;f[a+4>>2]=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;i=a+8|0;j=c+24|0;c=b[j>>0]|0;k=c<<24>>24;l=a+12|0;m=f[l>>2]|0;n=f[i>>2]|0;o=m-n>>2;p=n;n=m;if(o>>>0>=k>>>0)if(o>>>0>k>>>0?(m=p+(k<<2)|0,(m|0)!=(n|0)):0){f[l>>2]=n+(~((n+-4-m|0)>>>2)<<2);q=c;r=d}else{q=c;r=d}else{Ci(i,k-o|0);q=b[j>>0]|0;r=f[g>>2]|0}g=r+4|0;j=h[g>>0]|h[g+1>>0]<<8|h[g+2>>0]<<16|h[g+3>>0]<<24;if(q<<24>>24>0){g=f[i>>2]|0;i=q<<24>>24;q=j;o=4;k=0;while(1){f[g+(k<<2)>>2]=q;o=o+4|0;k=k+1|0;d=r+o|0;c=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;if((k|0)>=(i|0)){s=c;break}else q=c}}else s=j;f[a+20>>2]=s;e=1;return e|0}function oh(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;do if(!(fp(a,f[c+8>>2]|0,g)|0)){if(!(fp(a,f[c>>2]|0,g)|0)){h=f[a+8>>2]|0;Za[f[(f[h>>2]|0)+24>>2]&3](h,c,d,e,g);break}if((f[c+16>>2]|0)!=(d|0)?(h=c+20|0,(f[h>>2]|0)!=(d|0)):0){f[c+32>>2]=e;i=c+44|0;if((f[i>>2]|0)==4)break;j=c+52|0;b[j>>0]=0;k=c+53|0;b[k>>0]=0;l=f[a+8>>2]|0;_a[f[(f[l>>2]|0)+20>>2]&3](l,c,d,d,1,g);if(b[k>>0]|0)if(!(b[j>>0]|0)){m=3;n=11}else o=3;else{m=4;n=11}if((n|0)==11){f[h>>2]=d;h=c+40|0;f[h>>2]=(f[h>>2]|0)+1;if((f[c+36>>2]|0)==1?(f[c+24>>2]|0)==2:0){b[c+54>>0]=1;o=m}else o=m}f[i>>2]=o;break}if((e|0)==1)f[c+32>>2]=1}else Vm(0,c,d,e);while(0);return}function ph(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=u;u=u+16|0;g=e+12|0;h=e+8|0;i=e;f[i>>2]=f[b>>2];f[g>>2]=f[i>>2];i=Kd(a,g,h,e+4|0,c)|0;c=f[i>>2]|0;if(c|0){j=c;u=e;return j|0}c=ln(40)|0;pj(c+16|0,d);pj(c+28|0,d+12|0);d=f[h>>2]|0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=d;f[i>>2]=c;d=f[f[a>>2]>>2]|0;if(!d)k=c;else{f[a>>2]=d;k=f[i>>2]|0}Oe(f[a+4>>2]|0,k);k=a+8|0;f[k>>2]=(f[k>>2]|0)+1;j=c;u=e;return j|0}function qh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;e=u;u=u+16|0;g=e;h=a+4|0;f[h>>2]=0;if(!c){u=e;return}i=a+8|0;j=f[i>>2]|0;k=j<<5;if(k>>>0>>0){f[g>>2]=0;l=g+4|0;f[l>>2]=0;m=g+8|0;f[m>>2]=0;if((c|0)<0)aq(a);n=j<<6;j=c+31&-32;vi(g,k>>>0<1073741823?(n>>>0>>0?j:n):2147483647);n=f[a>>2]|0;f[a>>2]=f[g>>2];f[g>>2]=n;g=f[h>>2]|0;f[h>>2]=c;f[l>>2]=g;g=f[i>>2]|0;f[i>>2]=f[m>>2];f[m>>2]=g;if(n|0)Oq(n);o=a}else{f[h>>2]=c;o=a}a=f[o>>2]|0;o=a;h=a;a=c>>>5;n=a<<2;if(!(b[d>>0]|0)){sj(h|0,0,n|0)|0;d=c&31;g=o+(a<<2)|0;if(!d){u=e;return}f[g>>2]=f[g>>2]&~(-1>>>(32-d|0));u=e;return}else{sj(h|0,-1,n|0)|0;n=c&31;c=o+(a<<2)|0;if(!n){u=e;return}f[c>>2]=f[c>>2]|-1>>>(32-n|0);u=e;return}}function rh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[a+12>>2];h=b+16|0;i=h;j=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&j>>>0>0){l=k;m=j}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;j=h;l=f[j+4>>2]|0;m=f[j>>2]|0}f[g>>2]=f[a+20>>2];if((l|0)>0|(l|0)==0&m>>>0>0){n=a+88|0;ld(n,b);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;n=a+88|0;ld(n,b);u=c;return 1}function sh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[a+12>>2];h=b+16|0;i=h;j=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&j>>>0>0){l=k;m=j}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;j=h;l=f[j+4>>2]|0;m=f[j>>2]|0}f[g>>2]=f[a+16>>2];if((l|0)>0|(l|0)==0&m>>>0>0){n=a+108|0;ld(n,b);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;n=a+108|0;ld(n,b);u=c;return 1}function th(a){a=a|0;var c=0,d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;c=a+32|0;d=f[a+64>>2]|0;e=(Qa[f[(f[d>>2]|0)+40>>2]&127](d)|0)+52|0;d=f[e>>2]|0;zi(c,(((f[d+100>>2]|0)-(f[d+96>>2]|0)|0)/12|0)*3|0,0,1)|0;d=a+68|0;e=f[d>>2]|0;g=(f[a+72>>2]|0)-e|0;if((g|0)<=0){eg(c);return}i=a+48|0;j=a+44|0;a=(g>>>2)+-1|0;g=e;while(1){e=f[g+(a<<2)>>2]|0;k=f[3524+(e<<2)>>2]|0;l=i;m=f[l+4>>2]|0;if((m|0)>0|(m|0)==0&(f[l>>2]|0)>>>0>0?(l=f[j>>2]|0,171>>>e&1|0):0){m=l+4|0;n=0;o=f[m>>2]|0;do{p=o>>>3;q=o&7;r=(f[l>>2]|0)+p|0;b[r>>0]=(1<>0]|0);r=(f[l>>2]|0)+p|0;b[r>>0]=(e>>>n&1)<>0]|0);o=(f[m>>2]|0)+1|0;f[m>>2]=o;n=n+1|0}while((n|0)!=(k|0))}k=a+-1|0;if((k|0)<=-1)break;a=k;g=f[d>>2]|0}eg(c);return}function uh(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=u;u=u+48|0;h=g;i=g+32|0;if(!c){j=0;u=g;return j|0}Gn(h);do if((dm(c,0)|0)!=-1){if(d){if(!(Qa[f[(f[c>>2]|0)+16>>2]&127](c)|0)){k=0;break}Va[f[(f[c>>2]|0)+20>>2]&127](c)}Yg(i,a,c,h);l=(f[i>>2]|0)==0;m=i+4|0;if((b[m+11>>0]|0)<0)Oq(f[m>>2]|0);if(l){l=f[h>>2]|0;m=h+4|0;rg(e,l,l+((f[m>>2]|0)-l)|0);k=(f[m>>2]|0)-(f[h>>2]|0)|0}else k=0}else k=0;while(0);e=h+12|0;i=f[e>>2]|0;f[e>>2]=0;if(i|0)Oq(i);i=f[h>>2]|0;if(i|0){e=h+4|0;if((f[e>>2]|0)!=(i|0))f[e>>2]=i;Oq(i)}j=k;u=g;return j|0}function vh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=u;u=u+16|0;d=c;e=f[(f[a>>2]|0)+8>>2]|0;g=a+8|0;h=a+12|0;i=(f[h>>2]|0)-(f[g>>2]|0)>>2;j=f[b>>2]|0;f[b>>2]=0;f[d>>2]=j;Xa[e&15](a,i,d);i=f[d>>2]|0;f[d>>2]=0;if(!i){k=f[h>>2]|0;l=f[g>>2]|0;m=k-l|0;n=m>>2;o=n+-1|0;u=c;return o|0}d=i+88|0;a=f[d>>2]|0;f[d>>2]=0;if(a|0){d=f[a+8>>2]|0;if(d|0){e=a+12|0;if((f[e>>2]|0)!=(d|0))f[e>>2]=d;Oq(d)}Oq(a)}a=f[i+68>>2]|0;if(a|0){d=i+72|0;e=f[d>>2]|0;if((e|0)!=(a|0))f[d>>2]=e+(~((e+-4-a|0)>>>2)<<2);Oq(a)}a=i+64|0;e=f[a>>2]|0;f[a>>2]=0;if(e|0){a=f[e>>2]|0;if(a|0){d=e+4|0;if((f[d>>2]|0)!=(a|0))f[d>>2]=a;Oq(a)}Oq(e)}Oq(i);k=f[h>>2]|0;l=f[g>>2]|0;m=k-l|0;n=m>>2;o=n+-1|0;u=c;return o|0}function wh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;if(d-g>>3>>>0>=b>>>0){h=b;i=g;do{j=i;f[j>>2]=0;f[j+4>>2]=0;i=(f[e>>2]|0)+8|0;f[e>>2]=i;h=h+-1|0}while((h|0)!=0);return}h=f[a>>2]|0;i=g-h>>3;g=i+b|0;if(g>>>0>536870911)aq(a);j=d-h|0;h=j>>2;d=j>>3>>>0<268435455?(h>>>0>>0?g:h):536870911;do if(d)if(d>>>0>536870911){h=ra(8)|0;Oo(h,16035);f[h>>2]=7256;va(h|0,1112,110)}else{k=ln(d<<3)|0;break}else k=0;while(0);h=k+(i<<3)|0;i=k+(d<<3)|0;d=b;b=h;k=h;do{g=b;f[g>>2]=0;f[g+4>>2]=0;b=k+8|0;k=b;d=d+-1|0}while((d|0)!=0);d=f[a>>2]|0;b=(f[e>>2]|0)-d|0;g=h+(0-(b>>3)<<3)|0;if((b|0)>0)kh(g|0,d|0,b|0)|0;f[a>>2]=g;f[e>>2]=k;f[c>>2]=i;if(!d)return;Oq(d);return}function xh(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0;d=u;u=u+16|0;e=d;if(!(bn(a,b,c)|0)){g=0;u=d;return g|0}if((Qa[f[(f[a>>2]|0)+32>>2]&127](a)|0)<<24>>24==1?((f[(f[a+8>>2]|0)+28>>2]|0)+-1|0)>>>0>=6:0){g=0;u=d;return g|0}h=_g(c,f[b+48>>2]|0)|0;Xa[f[(f[a>>2]|0)+48>>2]&15](e,a,h);h=a+36|0;b=f[e>>2]|0;f[e>>2]=0;c=f[h>>2]|0;f[h>>2]=b;if(!c){f[e>>2]=0;i=b}else{Va[f[(f[c>>2]|0)+4>>2]&127](c);c=f[e>>2]|0;f[e>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);i=f[h>>2]|0}if(!i){g=1;u=d;return g|0}if(Ra[f[(f[a>>2]|0)+36>>2]&127](a,i)|0){g=1;u=d;return g|0}i=f[h>>2]|0;f[h>>2]=0;if(!i){g=1;u=d;return g|0}Va[f[(f[i>>2]|0)+4>>2]&127](i);g=1;u=d;return g|0}function yh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;e=u;u=u+16|0;g=e+4|0;h=e;i=e+8|0;j=a&255;b[i>>0]=j&127;do if(c>>>0>0|(c|0)==0&a>>>0>127){b[i>>0]=j|-128;k=d+16|0;l=f[k+4>>2]|0;if((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0){m=0;break}else{f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];Me(d,g,i,i+1|0)|0;k=Yn(a|0,c|0,7)|0;m=yh(k,I,d)|0;break}}else{k=d+16|0;l=f[k+4>>2]|0;if((l|0)>0|(l|0)==0&(f[k>>2]|0)>>>0>0){m=0;break}f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];Me(d,g,i,i+1|0)|0;n=1;u=e;return n|0}while(0);n=m;u=e;return n|0}function zh(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0;g=f[(f[(f[d+4>>2]|0)+8>>2]|0)+(c<<2)>>2]|0;if((b|0)==-1)h=Xi(c,d)|0;else h=b;if((h|0)==-2)i=0;else{do if((Qa[f[(f[d>>2]|0)+8>>2]&127](d)|0)==1){Xf(a,d,h,c,e,514);if(!(f[a>>2]|0)){f[a>>2]=0;break}else return}while(0);c=ln(44)|0;f[c>>2]=1544;f[c+4>>2]=g;g=c+8|0;f[g>>2]=f[e>>2];f[g+4>>2]=f[e+4>>2];f[g+8>>2]=f[e+8>>2];f[g+12>>2]=f[e+12>>2];f[g+16>>2]=f[e+16>>2];f[g+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);f[c>>2]=1600;i=c}f[a>>2]=i;return}function Ah(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;e=u;u=u+224|0;g=e+120|0;h=e+80|0;i=e;j=e+136|0;k=h;l=k+40|0;do{f[k>>2]=0;k=k+4|0}while((k|0)<(l|0));f[g>>2]=f[d>>2];if((qb(0,c,g,i,h)|0)<0)m=-1;else{if((f[a+76>>2]|0)>-1)n=Tq(a)|0;else n=0;d=f[a>>2]|0;k=d&32;if((b[a+74>>0]|0)<1)f[a>>2]=d&-33;d=a+48|0;if(!(f[d>>2]|0)){l=a+44|0;o=f[l>>2]|0;f[l>>2]=j;p=a+28|0;f[p>>2]=j;q=a+20|0;f[q>>2]=j;f[d>>2]=80;r=a+16|0;f[r>>2]=j+80;j=qb(a,c,g,i,h)|0;if(!o)s=j;else{Sa[f[a+36>>2]&31](a,0,0)|0;t=(f[q>>2]|0)==0?-1:j;f[l>>2]=o;f[d>>2]=0;f[r>>2]=0;f[p>>2]=0;f[q>>2]=0;s=t}}else s=qb(a,c,g,i,h)|0;h=f[a>>2]|0;f[a>>2]=h|k;if(n|0)Sq(a);m=(h&32|0)==0?s:-1}u=e;return m|0}function Bh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=d-e>>2;h=d;if(g>>>0>>0){uf(a,b-g|0);return}if(g>>>0<=b>>>0)return;g=e+(b<<2)|0;if((g|0)==(h|0))return;else i=h;do{h=i+-4|0;f[c>>2]=h;b=f[h>>2]|0;f[h>>2]=0;if(b|0){h=b+88|0;e=f[h>>2]|0;f[h>>2]=0;if(e|0){h=f[e+8>>2]|0;if(h|0){a=e+12|0;if((f[a>>2]|0)!=(h|0))f[a>>2]=h;Oq(h)}Oq(e)}e=f[b+68>>2]|0;if(e|0){h=b+72|0;a=f[h>>2]|0;if((a|0)!=(e|0))f[h>>2]=a+(~((a+-4-e|0)>>>2)<<2);Oq(e)}e=b+64|0;a=f[e>>2]|0;f[e>>2]=0;if(a|0){e=f[a>>2]|0;if(e|0){h=a+4|0;if((f[h>>2]|0)!=(e|0))f[h>>2]=e;Oq(e)}Oq(a)}Oq(b)}i=f[c>>2]|0}while((i|0)!=(g|0));return}function Ch(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;d=a+8|0;e=f[d>>2]|0;g=a+4|0;h=f[g>>2]|0;i=h;if(e-h>>2>>>0>=b>>>0){j=b;k=i;while(1){f[k>>2]=f[c>>2];j=j+-1|0;if(!j)break;else k=k+4|0}f[g>>2]=i+(b<<2);return}i=f[a>>2]|0;k=h-i|0;h=k>>2;j=h+b|0;if(j>>>0>1073741823)aq(a);l=e-i|0;e=l>>1;m=l>>2>>>0<536870911?(e>>>0>>0?j:e):1073741823;do if(m)if(m>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}else{e=ln(m<<2)|0;n=e;o=e;break}else{n=0;o=0}while(0);e=n+(h<<2)|0;h=n+(m<<2)|0;m=b;j=e;while(1){f[j>>2]=f[c>>2];m=m+-1|0;if(!m)break;else j=j+4|0}if((k|0)>0)kh(o|0,i|0,k|0)|0;f[a>>2]=n;f[g>>2]=e+(b<<2);f[d>>2]=h;if(!i)return;Oq(i);return}function Dh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;e=(f[a>>2]|0)+1794895138|0;g=gp(f[a+8>>2]|0,e)|0;h=gp(f[a+12>>2]|0,e)|0;i=gp(f[a+16>>2]|0,e)|0;a:do if((g>>>0>>2>>>0?(j=c-(g<<2)|0,h>>>0>>0&i>>>0>>0):0)?((i|h)&3|0)==0:0){j=h>>>2;k=i>>>2;l=0;m=g;while(1){n=m>>>1;o=l+n|0;p=o<<1;q=p+j|0;r=gp(f[a+(q<<2)>>2]|0,e)|0;s=gp(f[a+(q+1<<2)>>2]|0,e)|0;if(!(s>>>0>>0&r>>>0<(c-s|0)>>>0)){t=0;break a}if(b[a+(s+r)>>0]|0){t=0;break a}r=hl(d,a+s|0)|0;if(!r)break;s=(r|0)<0;if((m|0)==1){t=0;break a}else{l=s?l:o;m=s?n:m-n|0}}m=p+k|0;l=gp(f[a+(m<<2)>>2]|0,e)|0;j=gp(f[a+(m+1<<2)>>2]|0,e)|0;if(j>>>0>>0&l>>>0<(c-j|0)>>>0)t=(b[a+(j+l)>>0]|0)==0?a+j|0:0;else t=0}else t=0;while(0);return t|0}function Eh(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;h=u;u=u+64|0;i=h;j=f[a>>2]|0;k=a+(f[j+-8>>2]|0)|0;l=f[j+-4>>2]|0;f[i>>2]=e;f[i+4>>2]=a;f[i+8>>2]=c;f[i+12>>2]=g;g=i+16|0;c=i+20|0;a=i+24|0;j=i+28|0;m=i+32|0;n=i+40|0;o=g;p=o+36|0;do{f[o>>2]=0;o=o+4|0}while((o|0)<(p|0));d[g+36>>1]=0;b[g+38>>0]=0;a:do if(fp(l,e,0)|0){f[i+48>>2]=1;_a[f[(f[l>>2]|0)+20>>2]&3](l,i,k,k,1,0);q=(f[a>>2]|0)==1?k:0}else{Za[f[(f[l>>2]|0)+24>>2]&3](l,i,k,1,0);switch(f[i+36>>2]|0){case 0:{q=(f[n>>2]|0)==1&(f[j>>2]|0)==1&(f[m>>2]|0)==1?f[c>>2]|0:0;break a;break}case 1:break;default:{q=0;break a}}if((f[a>>2]|0)!=1?!((f[n>>2]|0)==0&(f[j>>2]|0)==1&(f[m>>2]|0)==1):0){q=0;break}q=f[g>>2]|0}while(0);u=h;return q|0}function Fh(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;h=g;if(d-g>>2>>>0>=b>>>0){i=b;j=h;while(1){f[j>>2]=1;i=i+-1|0;if(!i)break;else j=j+4|0}f[e>>2]=h+(b<<2);return}h=f[a>>2]|0;j=g-h|0;g=j>>2;i=g+b|0;if(i>>>0>1073741823)aq(a);k=d-h|0;d=k>>1;l=k>>2>>>0<536870911?(d>>>0>>0?i:d):1073741823;do if(l)if(l>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}else{d=ln(l<<2)|0;m=d;n=d;break}else{m=0;n=0}while(0);d=m+(g<<2)|0;g=m+(l<<2)|0;l=b;i=d;while(1){f[i>>2]=1;l=l+-1|0;if(!l)break;else i=i+4|0}if((j|0)>0)kh(n|0,h|0,j|0)|0;f[a>>2]=m;f[e>>2]=d+(b<<2);f[c>>2]=g;if(!h)return;Oq(h);return}function Gh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;if(!c){g=0;u=d;return g|0}h=a+84|0;i=f[h>>2]|0;j=a+88|0;k=f[j>>2]|0;if((k|0)!=(i|0))f[j>>2]=k+(~((k+-4-i|0)>>>2)<<2);f[h>>2]=0;f[j>>2]=0;f[a+92>>2]=0;if(i|0)Oq(i);i=a+72|0;j=f[i>>2]|0;h=a+76|0;if((f[h>>2]|0)!=(j|0))f[h>>2]=j;f[i>>2]=0;f[h>>2]=0;f[a+80>>2]=0;if(j|0)Oq(j);j=c+4|0;h=(f[j>>2]|0)-(f[c>>2]|0)>>2;b[e>>0]=0;qh(a,h,e);h=c+24|0;i=c+28|0;k=(f[i>>2]|0)-(f[h>>2]|0)>>2;b[e>>0]=0;qh(a+12|0,k,e);hg(a+28|0,(f[j>>2]|0)-(f[c>>2]|0)>>2,6180);gk(a+52|0,(f[i>>2]|0)-(f[h>>2]|0)>>2);gk(a+40|0,(f[i>>2]|0)-(f[h>>2]|0)>>2);f[a+64>>2]=c;b[a+24>>0]=1;g=1;u=d;return g|0}function Hh(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;c=a+12|0;d=f[a>>2]|0;e=a+8|0;g=f[e>>2]|0;h=(g|0)==-1;if(!(b[c>>0]|0)){do if((!h?(i=(((g>>>0)%3|0|0)==0?2:-1)+g|0,(i|0)!=-1):0)?(j=f[(f[d+12>>2]|0)+(i<<2)>>2]|0,(j|0)!=-1):0)if(!((j>>>0)%3|0)){k=j+2|0;break}else{k=j+-1|0;break}else k=-1;while(0);f[e>>2]=k;return}k=g+1|0;if((!h?(h=((k>>>0)%3|0|0)==0?g+-2|0:k,(h|0)!=-1):0)?(k=f[(f[d+12>>2]|0)+(h<<2)>>2]|0,h=k+1|0,(k|0)!=-1):0){g=((h>>>0)%3|0|0)==0?k+-2|0:h;f[e>>2]=g;if((g|0)!=-1){if((g|0)!=(f[a+4>>2]|0))return;f[e>>2]=-1;return}}else f[e>>2]=-1;g=f[a+4>>2]|0;do if(((g|0)!=-1?(a=(((g>>>0)%3|0|0)==0?2:-1)+g|0,(a|0)!=-1):0)?(h=f[(f[d+12>>2]|0)+(a<<2)>>2]|0,(h|0)!=-1):0)if(!((h>>>0)%3|0)){l=h+2|0;break}else{l=h+-1|0;break}else l=-1;while(0);f[e>>2]=l;b[c>>0]=0;return}function Ih(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Td(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+20>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Td(a,e);return}function Jh(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;d=f[a+4>>2]|0;if(!d){e=0;return e|0}a=b[c+11>>0]|0;g=a<<24>>24<0;h=g?f[c+4>>2]|0:a&255;a=g?f[c>>2]|0:c;c=d;while(1){d=c+16|0;g=b[d+11>>0]|0;i=g<<24>>24<0;j=i?f[c+20>>2]|0:g&255;g=j>>>0>>0;k=g?j:h;if((k|0)!=0?(l=Vk(a,i?f[d>>2]|0:d,k)|0,(l|0)!=0):0)if((l|0)<0)m=7;else m=8;else if(h>>>0>>0)m=7;else m=8;if((m|0)==7){m=0;n=c}else if((m|0)==8){m=0;l=h>>>0>>0?h:j;if((l|0)!=0?(j=Vk(i?f[d>>2]|0:d,a,l)|0,(j|0)!=0):0){if((j|0)>=0){e=1;m=14;break}}else m=10;if((m|0)==10?(m=0,!g):0){e=1;m=14;break}n=c+4|0}c=f[n>>2]|0;if(!c){e=0;m=14;break}}if((m|0)==14)return e|0;return 0}function Kh(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;e=u;u=u+16|0;g=e+4|0;h=e;i=f[a+8>>2]|0;j=i+24|0;k=b[j>>0]|0;l=c+4|0;ag(a,(f[l>>2]|0)-(f[c>>2]|0)>>2,k,d);d=f[a+32>>2]|0;a=(f[f[d>>2]>>2]|0)+(f[d+48>>2]|0)|0;d=f[c>>2]|0;c=f[l>>2]|0;if((d|0)==(c|0)){m=1;u=e;return m|0}l=i+84|0;n=i+68|0;o=0;p=d;while(1){d=f[p>>2]|0;if(!(b[l>>0]|0))q=f[(f[n>>2]|0)+(d<<2)>>2]|0;else q=d;f[h>>2]=q;d=b[j>>0]|0;f[g>>2]=f[h>>2];if(!(Qb(i,g,d,a+(o<<2)|0)|0)){m=0;r=7;break}p=p+4|0;if((p|0)==(c|0)){m=1;r=7;break}else o=o+k|0}if((r|0)==7){u=e;return m|0}return 0}function Lh(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;f[a>>2]=1408;b=a+72|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);c=f[a+60>>2]|0;if(c|0){b=a+64|0;d=f[b>>2]|0;if((d|0)!=(c|0))f[b>>2]=d+(~((d+-4-c|0)>>>2)<<2);Oq(c)}c=f[a+48>>2]|0;if(c|0)Oq(c);c=a+36|0;d=f[c>>2]|0;if(d|0){b=a+40|0;e=f[b>>2]|0;if((e|0)==(d|0))g=d;else{h=e;do{e=h+-4|0;f[b>>2]=e;i=f[e>>2]|0;f[e>>2]=0;if(i|0)Va[f[(f[i>>2]|0)+4>>2]&127](i);h=f[b>>2]|0}while((h|0)!=(d|0));g=f[c>>2]|0}Oq(g)}f[a>>2]=1232;g=f[a+16>>2]|0;if(g|0){c=a+20|0;d=f[c>>2]|0;if((d|0)!=(g|0))f[c>>2]=d+(~((d+-4-g|0)>>>2)<<2);Oq(g)}g=f[a+4>>2]|0;if(!g)return;d=a+8|0;a=f[d>>2]|0;if((a|0)!=(g|0))f[d>>2]=a+(~((a+-4-g|0)>>>2)<<2);Oq(g);return}function Mh(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;f[a>>2]=d;e=a+24|0;g=a+28|0;h=f[g>>2]|0;i=f[e>>2]|0;j=h-i>>2;k=i;i=h;if(j>>>0>=d>>>0){if(j>>>0>d>>>0?(h=k+(d<<2)|0,(h|0)!=(i|0)):0)f[g>>2]=i+(~((i+-4-h|0)>>>2)<<2)}else Ci(e,d-j|0);if(!c)return;j=f[b>>2]|0;if((c|0)>1){d=j;e=j;h=1;while(1){i=f[b+(h<<2)>>2]|0;g=(i|0)<(e|0);k=g?i:e;l=g?d:(i|0)>(d|0)?i:d;h=h+1|0;if((h|0)==(c|0)){m=l;n=k;break}else{d=l;e=k}}}else{m=j;n=j}f[a+4>>2]=n;f[a+8>>2]=m;j=Xn(m|0,((m|0)<0)<<31>>31|0,n|0,((n|0)<0)<<31>>31|0)|0;n=I;if(!(n>>>0<0|(n|0)==0&j>>>0<2147483647))return;n=j+1|0;f[a+12>>2]=n;j=(n|0)/2|0;m=a+16|0;f[m>>2]=j;f[a+20>>2]=0-j;if(n&1|0)return;f[m>>2]=j+-1;return}function Nh(a){a=a|0;Fj(a+992|0);Fj(a+960|0);Fj(a+928|0);Fj(a+896|0);Fj(a+864|0);Fj(a+832|0);Fj(a+800|0);Fj(a+768|0);Fj(a+736|0);Fj(a+704|0);Fj(a+672|0);Fj(a+640|0);Fj(a+608|0);Fj(a+576|0);Fj(a+544|0);Fj(a+512|0);Fj(a+480|0);Fj(a+448|0);Fj(a+416|0);Fj(a+384|0);Fj(a+352|0);Fj(a+320|0);Fj(a+288|0);Fj(a+256|0);Fj(a+224|0);Fj(a+192|0);Fj(a+160|0);Fj(a+128|0);Fj(a+96|0);Fj(a+64|0);Fj(a+32|0);Fj(a);return}function Oh(a){a=a|0;wn(a);wn(a+32|0);wn(a+64|0);wn(a+96|0);wn(a+128|0);wn(a+160|0);wn(a+192|0);wn(a+224|0);wn(a+256|0);wn(a+288|0);wn(a+320|0);wn(a+352|0);wn(a+384|0);wn(a+416|0);wn(a+448|0);wn(a+480|0);wn(a+512|0);wn(a+544|0);wn(a+576|0);wn(a+608|0);wn(a+640|0);wn(a+672|0);wn(a+704|0);wn(a+736|0);wn(a+768|0);wn(a+800|0);wn(a+832|0);wn(a+864|0);wn(a+896|0);wn(a+928|0);wn(a+960|0);wn(a+992|0);return}function Ph(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=u;u=u+16|0;d=c+12|0;e=c+8|0;g=c+4|0;h=c;i=(a|0)==(b|0);if(!i){f[g>>2]=f[b>>2];f[h>>2]=b+4;f[e>>2]=f[g>>2];f[d>>2]=f[h>>2];Oc(a,e,d)}if(!i){f[g>>2]=f[b+12>>2];f[h>>2]=b+16;f[e>>2]=f[g>>2];f[d>>2]=f[h>>2];Hc(a+12|0,e,d)}if(i){u=c;return}f[g>>2]=f[b+24>>2];f[h>>2]=b+28;f[e>>2]=f[g>>2];f[d>>2]=f[h>>2];Oc(a+24|0,e,d);u=c;return}function Qh(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;a=u;u=u+16|0;e=a;if((c|0)<0|((b|0)==0|(d|0)==0)){g=0;u=a;return g|0}h=f[b+8>>2]|0;if(((f[b+12>>2]|0)-h>>2|0)<=(c|0)){g=0;u=a;return g|0}i=b+4|0;if(!(f[i>>2]|0)){j=ln(52)|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;n[j+16>>2]=$(1.0);k=j+20|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;n[j+36>>2]=$(1.0);f[j+40>>2]=0;f[j+44>>2]=0;f[j+48>>2]=0;f[b+4>>2]=j}j=f[(f[h+(c<<2)>>2]|0)+60>>2]|0;c=ln(44)|0;Ub(c,d);f[c+40>>2]=j;j=f[i>>2]|0;f[e>>2]=c;mk(j,e)|0;j=f[e>>2]|0;f[e>>2]=0;if(!j){g=1;u=a;return g|0}bj(j);Oq(j);g=1;u=a;return g|0}function Rh(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0;c=u;u=u+64|0;j=c;k=i?6:5;Il(j);i=f[h+56>>2]|0;h=X(Vl(k)|0,e)|0;Jj(j,i,0,e&255,k,0,h,((h|0)<0)<<31>>31,0,0);h=ln(96)|0;tl(h,j);f[a>>2]=h;Bj(h,d)|0;d=h+84|0;if(!g){b[d>>0]=1;a=f[h+68>>2]|0;j=h+72|0;k=f[j>>2]|0;if((k|0)==(a|0)){u=c;return}f[j>>2]=k+(~((k+-4-a|0)>>>2)<<2);u=c;return}b[d>>0]=0;d=h+68|0;a=h+72|0;h=f[a>>2]|0;k=f[d>>2]|0;j=h-k>>2;e=h;if(j>>>0>>0){Ch(d,g-j|0,1216);u=c;return}if(j>>>0<=g>>>0){u=c;return}j=k+(g<<2)|0;if((j|0)==(e|0)){u=c;return}f[a>>2]=e+(~((e+-4-j|0)>>>2)<<2);u=c;return}function Sh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){rd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;rd(a,e);return}function Th(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){vd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;vd(a,e);return}function Uh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Fd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Fd(a,e);return}function Vh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Pd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Pd(a,e);return}function Wh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){ud(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;ud(a,e);return}function Xh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){zd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;zd(a,e);return}function Yh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Jd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Jd(a,e);return}function Zh(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){sd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;sd(a,e);return}function _h(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){wd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;wd(a,e);return}function $h(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Gd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Gd(a,e);return}function ai(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Qd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Qd(a,e);return}function bi(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;g=u;u=u+16|0;h=g;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;i=ln(16)|0;f[h>>2]=i;f[h+8>>2]=-2147483632;f[h+4>>2]=15;j=i;k=14479;l=j+15|0;do{b[j>>0]=b[k>>0]|0;j=j+1|0;k=k+1|0}while((j|0)<(l|0));b[i+15>>0]=0;i=Hk(c,h,-1)|0;if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);switch(i|0){case -1:{if((mi(c)|0)==10)m=6;else m=5;break}case 1:{m=5;break}default:m=6}if((m|0)==5){i=ln(60)|0;Lo(i);n=i}else if((m|0)==6){m=ln(56)|0;tp(m);n=m}xo(n,d);Md(a,n,c,e);Va[f[(f[n>>2]|0)+4>>2]&127](n);u=g;return}function ci(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;b[h>>0]=a&127;do if(a>>>0>127){b[h>>0]=a|128;i=c+16|0;j=f[i+4>>2]|0;if((j|0)>0|(j|0)==0&(f[i>>2]|0)>>>0>0){k=0;break}else{f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];Me(c,e,h,h+1|0)|0;k=ci(a>>>7,c)|0;break}}else{i=c+16|0;j=f[i+4>>2]|0;if((j|0)>0|(j|0)==0&(f[i>>2]|0)>>>0>0){k=0;break}f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];Me(c,e,h,h+1|0)|0;l=1;u=d;return l|0}while(0);l=k;u=d;return l|0} +function vc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0;e=u;u=u+32|0;g=e+16|0;h=e+12|0;i=e+8|0;j=e+4|0;k=e;switch(f[c+28>>2]|0){case 9:{l=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=l;f[g>>2]=f[h>>2];m=hc(a,c,g)|0;break}case 2:{f[i>>2]=l;f[g>>2]=f[i>>2];m=Wb(a,c,g)|0;break}case 3:{f[j>>2]=l;f[g>>2]=f[j>>2];m=uc(a,c,g)|0;break}case 4:{f[k>>2]=l;f[g>>2]=f[k>>2];m=mc(a,c,g)|0;break}default:m=0}n=m;break}case 1:{m=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=m;f[g>>2]=f[h>>2];o=gc(a,c,g)|0;break}case 2:{f[i>>2]=m;f[g>>2]=f[i>>2];o=Xb(a,c,g)|0;break}case 3:{f[j>>2]=m;f[g>>2]=f[j>>2];o=sc(a,c,g)|0;break}case 4:{f[k>>2]=m;f[g>>2]=f[k>>2];o=lc(a,c,g)|0;break}default:o=0}n=o;break}case 11:case 2:{o=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=o;f[g>>2]=f[h>>2];p=gc(a,c,g)|0;break}case 2:{f[i>>2]=o;f[g>>2]=f[i>>2];p=Xb(a,c,g)|0;break}case 3:{f[j>>2]=o;f[g>>2]=f[j>>2];p=sc(a,c,g)|0;break}case 4:{f[k>>2]=o;f[g>>2]=f[k>>2];p=lc(a,c,g)|0;break}default:p=0}n=p;break}case 4:{p=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=p;f[g>>2]=f[h>>2];q=ec(a,c,g)|0;break}case 2:{f[i>>2]=p;f[g>>2]=f[i>>2];q=Vb(a,c,g)|0;break}case 3:{f[j>>2]=p;f[g>>2]=f[j>>2];q=nc(a,c,g)|0;break}case 4:{f[k>>2]=p;f[g>>2]=f[k>>2];q=jc(a,c,g)|0;break}default:q=0}n=q;break}case 3:{q=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=q;f[g>>2]=f[h>>2];r=ec(a,c,g)|0;break}case 2:{f[i>>2]=q;f[g>>2]=f[i>>2];r=Vb(a,c,g)|0;break}case 3:{f[j>>2]=q;f[g>>2]=f[j>>2];r=nc(a,c,g)|0;break}case 4:{f[k>>2]=q;f[g>>2]=f[k>>2];r=jc(a,c,g)|0;break}default:r=0}n=r;break}case 6:{r=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=r;f[g>>2]=f[h>>2];s=hc(a,c,g)|0;break}case 2:{f[i>>2]=r;f[g>>2]=f[i>>2];s=Wb(a,c,g)|0;break}case 3:{f[j>>2]=r;f[g>>2]=f[j>>2];s=uc(a,c,g)|0;break}case 4:{f[k>>2]=r;f[g>>2]=f[k>>2];s=mc(a,c,g)|0;break}default:s=0}n=s;break}case 5:{s=f[d>>2]|0;switch(b[c+24>>0]|0){case 1:{f[h>>2]=s;f[g>>2]=f[h>>2];t=hc(a,c,g)|0;break}case 2:{f[i>>2]=s;f[g>>2]=f[i>>2];t=Wb(a,c,g)|0;break}case 3:{f[j>>2]=s;f[g>>2]=f[j>>2];t=uc(a,c,g)|0;break}case 4:{f[k>>2]=s;f[g>>2]=f[k>>2];t=mc(a,c,g)|0;break}default:t=0}n=t;break}default:{v=-1;u=e;return v|0}}v=(n|0)==0?-1:n;u=e;return v|0}function wc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;e=u;u=u+32|0;g=e+16|0;h=e+12|0;i=e+29|0;j=e;k=e+28|0;if(!(f[(f[a+8>>2]|0)+80>>2]|0)){l=1;u=e;return l|0}b[i>>0]=-2;m=a+36|0;n=f[m>>2]|0;if(n)if(Ra[f[(f[a>>2]|0)+40>>2]&127](a,n)|0){n=f[m>>2]|0;o=(Qa[f[(f[n>>2]|0)+8>>2]&127](n)|0)&255;b[i>>0]=o;p=5}else q=0;else p=5;if((p|0)==5){o=d+16|0;n=o;r=f[n+4>>2]|0;if(!((r|0)>0|(r|0)==0&(f[n>>2]|0)>>>0>0)){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];Me(d,g,i,i+1|0)|0}i=f[m>>2]|0;if(i|0?(n=(Qa[f[(f[i>>2]|0)+36>>2]&127](i)|0)&255,b[j>>0]=n,n=o,i=f[n+4>>2]|0,!((i|0)>0|(i|0)==0&(f[n>>2]|0)>>>0>0)):0){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];Me(d,g,j,j+1|0)|0}n=f[a+32>>2]|0;i=b[n+24>>0]|0;r=X(f[n+80>>2]|0,i)|0;s=(f[f[n>>2]>>2]|0)+(f[n+48>>2]|0)|0;f[j>>2]=0;n=j+4|0;f[n>>2]=0;f[j+8>>2]=0;t=(r|0)==0;do if(!t)if(r>>>0>1073741823)aq(j);else{v=r<<2;w=ln(v)|0;f[j>>2]=w;x=w+(r<<2)|0;f[j+8>>2]=x;sj(w|0,0,v|0)|0;f[n>>2]=x;y=w;break}else y=0;while(0);w=f[m>>2]|0;do if(w){Ta[f[(f[w>>2]|0)+44>>2]&31](w,s,y,r,i,f[c>>2]|0)|0;x=f[m>>2]|0;if(!x){z=s;A=f[j>>2]|0;p=20;break}if(!(Qa[f[(f[x>>2]|0)+32>>2]&127](x)|0)){x=f[j>>2]|0;z=f[m>>2]|0?x:s;A=x;p=20}}else{z=s;A=y;p=20}while(0);if((p|0)==20)xm(z,r,A);A=a+4|0;a=f[A>>2]|0;do if(a){z=f[a+48>>2]|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;y=ln(48)|0;f[g>>2]=y;f[g+8>>2]=-2147483600;f[g+4>>2]=34;s=y;w=10697;x=s+34|0;do{b[s>>0]=b[w>>0]|0;s=s+1|0;w=w+1|0}while((s|0)<(x|0));b[y+34>>0]=0;w=Yj(z,g,1)|0;if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);if(!w){if(!t){w=f[j>>2]|0;s=0;x=0;do{x=f[w+(s<<2)>>2]|x;s=s+1|0}while((s|0)!=(r|0));if(x)B=((_(x|0)|0)>>>3^3)+1|0;else B=1}else B=1;b[k>>0]=0;s=o;w=f[s>>2]|0;z=f[s+4>>2]|0;if((z|0)>0|(z|0)==0&w>>>0>0){C=z;D=w}else{f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];Me(d,g,k,k+1|0)|0;w=o;C=f[w+4>>2]|0;D=f[w>>2]|0}b[k>>0]=B;if(!((C|0)>0|(C|0)==0&D>>>0>0)){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];Me(d,g,k,k+1|0)|0}if((B|0)==(Vl(5)|0)){w=f[j>>2]|0;z=o;s=f[z+4>>2]|0;if(!((s|0)>0|(s|0)==0&(f[z>>2]|0)>>>0>0)){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];Me(d,g,w,w+(r<<2)|0)|0}p=48;break}if(t)p=48;else{w=d+4|0;z=0;do{s=(f[j>>2]|0)+(z<<2)|0;y=o;v=f[y+4>>2]|0;if(!((v|0)>0|(v|0)==0&(f[y>>2]|0)>>>0>0)){f[h>>2]=f[w>>2];f[g>>2]=f[h>>2];Me(d,g,s,s+B|0)|0}z=z+1|0}while(z>>>0>>0);p=48}}else p=27}else p=27;while(0);if((p|0)==27){b[k>>0]=1;r=o;o=f[r+4>>2]|0;if(!((o|0)>0|(o|0)==0&(f[r>>2]|0)>>>0>0)){f[h>>2]=f[d+4>>2];f[g>>2]=f[h>>2];Me(d,g,k,k+1|0)|0}lp(g);k=f[A>>2]|0;if(k|0)Zj(g,10-(mi(f[k+48>>2]|0)|0)|0)|0;k=Mc(f[j>>2]|0,X((f[c+4>>2]|0)-(f[c>>2]|0)>>2,i)|0,i,g,d)|0;Ej(g,f[g+4>>2]|0);if(k)p=48;else E=0}if((p|0)==48){p=f[m>>2]|0;if(!p)E=1;else{Ra[f[(f[p>>2]|0)+40>>2]&127](p,d)|0;E=1}}d=f[j>>2]|0;if(d|0){j=f[n>>2]|0;if((j|0)!=(d|0))f[n>>2]=j+(~((j+-4-d|0)>>>2)<<2);Oq(d)}q=E}l=q;u=e;return l|0}function xc(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0;b=u;u=u+48|0;c=b+24|0;d=b+12|0;e=b;g=a+32|0;h=a+8|0;i=a+12|0;j=f[i>>2]|0;k=f[h>>2]|0;l=j-k>>2;m=a+36|0;n=f[m>>2]|0;o=f[g>>2]|0;p=n-o>>2;q=o;o=n;n=k;if(l>>>0<=p>>>0)if(l>>>0

>>0?(r=q+(l<<2)|0,(r|0)!=(o|0)):0){f[m>>2]=o+(~((o+-4-r|0)>>>2)<<2);s=n;t=k;v=j}else{s=n;t=k;v=j}else{Ci(g,l-p|0);p=f[h>>2]|0;s=p;t=p;v=f[i>>2]|0}p=v-t|0;l=p>>2;f[c>>2]=0;j=c+4|0;f[j>>2]=0;k=c+8|0;f[k>>2]=0;if(l|0){if((p|0)<0)aq(c);p=((l+-1|0)>>>5)+1|0;n=ln(p<<2)|0;f[c>>2]=n;f[k>>2]=p;f[j>>2]=l;j=l>>>5;sj(n|0,0,j<<2|0)|0;p=l&31;l=n+(j<<2)|0;if(p|0)f[l>>2]=f[l>>2]&~(-1>>>(32-p|0))}p=a+20|0;l=0;j=s;s=t;t=v;while(1){if(l>>>0>2>>>0){w=0;x=0;y=l;z=s;A=j}else{B=25;break}while(1){v=x>>>5;n=1<<(x&31);do if(!(f[(f[c>>2]|0)+(v<<2)>>2]&n)){k=f[A+(x<<2)>>2]|0;if((f[k+8>>2]|0)!=(f[k+4>>2]|0)){r=0;o=1;m=A;q=k;while(1){k=f[(f[q+4>>2]|0)+(r<<2)>>2]|0;C=0;D=m;while(1){E=f[D+(x<<2)>>2]|0;if((C|0)>=(Ra[f[(f[E>>2]|0)+24>>2]&127](E,k)|0)){F=o;break}E=f[(f[h>>2]|0)+(x<<2)>>2]|0;G=Sa[f[(f[E>>2]|0)+28>>2]&31](E,k,C)|0;if((G|0)!=(x|0)?(E=f[(f[p>>2]|0)+(G<<2)>>2]|0,(1<<(E&31)&f[(f[c>>2]|0)+(E>>>5<<2)>>2]|0)==0):0){F=0;break}C=C+1|0;D=f[h>>2]|0}r=r+1|0;m=f[h>>2]|0;q=f[m+(x<<2)>>2]|0;if(r>>>0>=(f[q+8>>2]|0)-(f[q+4>>2]|0)>>2>>>0)break;else o=F}o=m;if(F)H=o;else{I=w;J=y;K=o;break}}else H=z;f[(f[g>>2]|0)+(y<<2)>>2]=x;o=(f[c>>2]|0)+(v<<2)|0;f[o>>2]=f[o>>2]|n;I=1;J=y+1|0;K=H}else{I=w;J=y;K=z}while(0);x=x+1|0;L=f[i>>2]|0;M=L-K>>2;A=K;if(x>>>0>=M>>>0)break;else{w=I;y=J;z=K}}if(J>>>0>>0&(I^1)){N=0;break}else{l=J;j=A;s=K;t=L}}if((B|0)==25){f[d>>2]=0;B=d+4|0;f[B>>2]=0;f[d+8>>2]=0;L=f[a+4>>2]|0;a=(f[L+12>>2]|0)-(f[L+8>>2]|0)|0;L=a>>2;f[e>>2]=0;K=e+4|0;f[K>>2]=0;A=e+8|0;f[A>>2]=0;if(L|0){if((a|0)<0)aq(e);a=((L+-1|0)>>>5)+1|0;J=ln(a<<2)|0;f[e>>2]=J;f[A>>2]=a;f[K>>2]=L;K=L>>>5;sj(J|0,0,K<<2|0)|0;a=L&31;L=J+(K<<2)|0;if(a|0)f[L>>2]=f[L>>2]&~(-1>>>(32-a|0))}a:do if((t|0)==(s|0))O=1;else{a=0;L=j;K=s;J=t;while(1){A=f[(f[g>>2]|0)+(a<<2)>>2]|0;l=f[L+(A<<2)>>2]|0;I=(f[l+8>>2]|0)-(f[l+4>>2]|0)|0;l=I>>2;if((I|0)<8){P=K;Q=J}else{I=f[B>>2]|0;M=f[d>>2]|0;z=I-M>>2;y=M;M=I;if(l>>>0<=z>>>0)if(l>>>0>>0?(I=y+(l<<2)|0,(I|0)!=(M|0)):0){f[B>>2]=M+(~((M+-4-I|0)>>>2)<<2);R=0}else R=0;else{Ci(d,l-z|0);R=0}while(1){if((R|0)<(l|0)){S=0;T=0;U=R}else break;while(1){z=f[(f[h>>2]|0)+(A<<2)>>2]|0;I=f[(f[z+4>>2]|0)+(S<<2)>>2]|0;M=S>>>5;y=1<<(S&31);if(!(f[(f[e>>2]|0)+(M<<2)>>2]&y)){w=0;x=1;H=z;while(1){if((w|0)>=(Ra[f[(f[H>>2]|0)+24>>2]&127](H,I)|0)){V=x;break}z=f[(f[h>>2]|0)+(A<<2)>>2]|0;F=Sa[f[(f[z>>2]|0)+28>>2]&31](z,I,w)|0;z=(f[(f[e>>2]|0)+(F>>>5<<2)>>2]&1<<(F&31)|0)!=0;F=x&z;if(!z){V=F;break}w=w+1|0;x=F;H=f[(f[h>>2]|0)+(A<<2)>>2]|0}if(V){f[(f[d>>2]|0)+(U<<2)>>2]=S;H=(f[e>>2]|0)+(M<<2)|0;f[H>>2]=f[H>>2]|y;W=1;X=U+1|0}else{W=T;X=U}}else{W=T;X=U}S=S+1|0;if((S|0)>=(l|0))break;else{T=W;U=X}}if(W|(X|0)>=(l|0))R=X;else{O=0;break a}}bg(f[(f[h>>2]|0)+(A<<2)>>2]|0,d);P=f[h>>2]|0;Q=f[i>>2]|0}a=a+1|0;if(a>>>0>=Q-P>>2>>>0){O=1;break}else{L=P;K=P;J=Q}}}while(0);Q=f[e>>2]|0;if(Q|0)Oq(Q);Q=f[d>>2]|0;if(Q|0){d=f[B>>2]|0;if((d|0)!=(Q|0))f[B>>2]=d+(~((d+-4-Q|0)>>>2)<<2);Oq(Q)}N=O}O=f[c>>2]|0;if(!O){u=b;return N|0}Oq(O);u=b;return N|0}function yc(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;if(!a)return;b=a+-8|0;c=f[4788]|0;d=f[a+-4>>2]|0;a=d&-8;e=b+a|0;do if(!(d&1)){g=f[b>>2]|0;if(!(d&3))return;h=b+(0-g)|0;i=g+a|0;if(h>>>0>>0)return;if((f[4789]|0)==(h|0)){j=e+4|0;k=f[j>>2]|0;if((k&3|0)!=3){l=h;m=i;n=h;break}f[4786]=i;f[j>>2]=k&-2;f[h+4>>2]=i|1;f[h+i>>2]=i;return}k=g>>>3;if(g>>>0<256){g=f[h+8>>2]|0;j=f[h+12>>2]|0;if((j|0)==(g|0)){f[4784]=f[4784]&~(1<>2]=j;f[j+8>>2]=g;l=h;m=i;n=h;break}}g=f[h+24>>2]|0;j=f[h+12>>2]|0;do if((j|0)==(h|0)){k=h+16|0;o=k+4|0;p=f[o>>2]|0;if(!p){q=f[k>>2]|0;if(!q){r=0;break}else{s=q;t=k}}else{s=p;t=o}while(1){o=s+20|0;p=f[o>>2]|0;if(p|0){s=p;t=o;continue}o=s+16|0;p=f[o>>2]|0;if(!p)break;else{s=p;t=o}}f[t>>2]=0;r=s}else{o=f[h+8>>2]|0;f[o+12>>2]=j;f[j+8>>2]=o;r=j}while(0);if(g){j=f[h+28>>2]|0;o=19440+(j<<2)|0;if((f[o>>2]|0)==(h|0)){f[o>>2]=r;if(!r){f[4785]=f[4785]&~(1<>2]|0)!=(h|0)&1)<<2)>>2]=r;if(!r){l=h;m=i;n=h;break}}f[r+24>>2]=g;j=h+16|0;o=f[j>>2]|0;if(o|0){f[r+16>>2]=o;f[o+24>>2]=r}o=f[j+4>>2]|0;if(o){f[r+20>>2]=o;f[o+24>>2]=r;l=h;m=i;n=h}else{l=h;m=i;n=h}}else{l=h;m=i;n=h}}else{l=b;m=a;n=b}while(0);if(n>>>0>=e>>>0)return;b=e+4|0;a=f[b>>2]|0;if(!(a&1))return;if(!(a&2)){if((f[4790]|0)==(e|0)){r=(f[4787]|0)+m|0;f[4787]=r;f[4790]=l;f[l+4>>2]=r|1;if((l|0)!=(f[4789]|0))return;f[4789]=0;f[4786]=0;return}if((f[4789]|0)==(e|0)){r=(f[4786]|0)+m|0;f[4786]=r;f[4789]=n;f[l+4>>2]=r|1;f[n+r>>2]=r;return}r=(a&-8)+m|0;s=a>>>3;do if(a>>>0<256){t=f[e+8>>2]|0;c=f[e+12>>2]|0;if((c|0)==(t|0)){f[4784]=f[4784]&~(1<>2]=c;f[c+8>>2]=t;break}}else{t=f[e+24>>2]|0;c=f[e+12>>2]|0;do if((c|0)==(e|0)){d=e+16|0;o=d+4|0;j=f[o>>2]|0;if(!j){p=f[d>>2]|0;if(!p){u=0;break}else{v=p;w=d}}else{v=j;w=o}while(1){o=v+20|0;j=f[o>>2]|0;if(j|0){v=j;w=o;continue}o=v+16|0;j=f[o>>2]|0;if(!j)break;else{v=j;w=o}}f[w>>2]=0;u=v}else{o=f[e+8>>2]|0;f[o+12>>2]=c;f[c+8>>2]=o;u=c}while(0);if(t|0){c=f[e+28>>2]|0;h=19440+(c<<2)|0;if((f[h>>2]|0)==(e|0)){f[h>>2]=u;if(!u){f[4785]=f[4785]&~(1<>2]|0)!=(e|0)&1)<<2)>>2]=u;if(!u)break}f[u+24>>2]=t;c=e+16|0;h=f[c>>2]|0;if(h|0){f[u+16>>2]=h;f[h+24>>2]=u}h=f[c+4>>2]|0;if(h|0){f[u+20>>2]=h;f[h+24>>2]=u}}}while(0);f[l+4>>2]=r|1;f[n+r>>2]=r;if((l|0)==(f[4789]|0)){f[4786]=r;return}else x=r}else{f[b>>2]=a&-2;f[l+4>>2]=m|1;f[n+m>>2]=m;x=m}m=x>>>3;if(x>>>0<256){n=19176+(m<<1<<2)|0;a=f[4784]|0;b=1<>2]|0;z=b}f[z>>2]=l;f[y+12>>2]=l;f[l+8>>2]=y;f[l+12>>2]=n;return}n=x>>>8;if(n)if(x>>>0>16777215)A=31;else{y=(n+1048320|0)>>>16&8;z=n<>>16&4;b=z<>>16&2;a=14-(n|y|z)+(b<>>15)|0;A=x>>>(a+7|0)&1|a<<1}else A=0;a=19440+(A<<2)|0;f[l+28>>2]=A;f[l+20>>2]=0;f[l+16>>2]=0;z=f[4785]|0;b=1<>>1)|0);n=f[a>>2]|0;while(1){if((f[n+4>>2]&-8|0)==(x|0)){B=73;break}C=n+16+(y>>>31<<2)|0;m=f[C>>2]|0;if(!m){B=72;break}else{y=y<<1;n=m}}if((B|0)==72){f[C>>2]=l;f[l+24>>2]=n;f[l+12>>2]=l;f[l+8>>2]=l;break}else if((B|0)==73){y=n+8|0;t=f[y>>2]|0;f[t+12>>2]=l;f[y>>2]=l;f[l+8>>2]=t;f[l+12>>2]=n;f[l+24>>2]=0;break}}else{f[4785]=z|b;f[a>>2]=l;f[l+24>>2]=a;f[l+12>>2]=l;f[l+8>>2]=l}while(0);l=(f[4792]|0)+-1|0;f[4792]=l;if(!l)D=19592;else return;while(1){l=f[D>>2]|0;if(!l)break;else D=l+8|0}f[4792]=-1;return}function zc(a){a=a|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0;c=u;u=u+32|0;e=c+4|0;g=c;h=c+16|0;i=a+52|0;j=f[i>>2]|0;k=(f[j+100>>2]|0)-(f[j+96>>2]|0)|0;j=(k|0)/12|0;l=a+44|0;ci(j,f[l>>2]|0)|0;ci(f[(f[i>>2]|0)+80>>2]|0,f[l>>2]|0)|0;m=f[a+48>>2]|0;n=ln(32)|0;f[e>>2]=n;f[e+8>>2]=-2147483616;f[e+4>>2]=21;o=n;p=15598;q=o+21|0;do{b[o>>0]=b[p>>0]|0;o=o+1|0;p=p+1|0}while((o|0)<(q|0));b[n+21>>0]=0;n=Yj(m,e,0)|0;if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);m=f[l>>2]|0;if(n){b[h>>0]=0;n=m+16|0;p=f[n+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[n>>2]|0)>>>0>0)){f[g>>2]=f[m+4>>2];f[e>>2]=f[g>>2];Me(m,e,h,h+1|0)|0}mf(a)|0;u=c;return 1}b[h>>0]=1;a=m+16|0;n=f[a+4>>2]|0;if(!((n|0)>0|(n|0)==0&(f[a>>2]|0)>>>0>0)){f[g>>2]=f[m+4>>2];f[e>>2]=f[g>>2];Me(m,e,h,h+1|0)|0}m=f[i>>2]|0;a=f[m+80>>2]|0;if(a>>>0<256){if(!k){u=c;return 1}n=h+1|0;p=h+1|0;o=h+1|0;q=0;r=m;while(1){s=f[r+96>>2]|0;t=f[l>>2]|0;b[h>>0]=f[s+(q*12|0)>>2];v=t+16|0;w=f[v>>2]|0;x=f[v+4>>2]|0;if((x|0)>0|(x|0)==0&w>>>0>0){y=w;z=t;A=x}else{f[g>>2]=f[t+4>>2];f[e>>2]=f[g>>2];Me(t,e,h,o)|0;t=f[l>>2]|0;x=t+16|0;y=f[x>>2]|0;z=t;A=f[x+4>>2]|0}b[h>>0]=f[s+(q*12|0)+4>>2];if((A|0)>0|(A|0)==0&y>>>0>0){B=A;C=y;D=z}else{f[g>>2]=f[z+4>>2];f[e>>2]=f[g>>2];Me(z,e,h,p)|0;x=f[l>>2]|0;t=x+16|0;B=f[t+4>>2]|0;C=f[t>>2]|0;D=x}b[h>>0]=f[s+(q*12|0)+8>>2];if(!((B|0)>0|(B|0)==0&C>>>0>0)){f[g>>2]=f[D+4>>2];f[e>>2]=f[g>>2];Me(D,e,h,n)|0}s=q+1|0;if(s>>>0>=j>>>0)break;q=s;r=f[i>>2]|0}u=c;return 1}if(a>>>0<65536){if(!k){u=c;return 1}r=h+2|0;q=h+2|0;n=h+2|0;D=0;C=m;while(1){B=f[C+96>>2]|0;p=f[l>>2]|0;d[h>>1]=f[B+(D*12|0)>>2];z=p+16|0;y=f[z>>2]|0;A=f[z+4>>2]|0;if((A|0)>0|(A|0)==0&y>>>0>0){E=A;F=y;G=p}else{f[g>>2]=f[p+4>>2];f[e>>2]=f[g>>2];Me(p,e,h,n)|0;p=f[l>>2]|0;y=p+16|0;E=f[y+4>>2]|0;F=f[y>>2]|0;G=p}d[h>>1]=f[B+(D*12|0)+4>>2];if((E|0)>0|(E|0)==0&F>>>0>0){H=E;I=F;J=G}else{f[g>>2]=f[G+4>>2];f[e>>2]=f[g>>2];Me(G,e,h,q)|0;p=f[l>>2]|0;y=p+16|0;H=f[y+4>>2]|0;I=f[y>>2]|0;J=p}d[h>>1]=f[B+(D*12|0)+8>>2];if(!((H|0)>0|(H|0)==0&I>>>0>0)){f[g>>2]=f[J+4>>2];f[e>>2]=f[g>>2];Me(J,e,h,r)|0}B=D+1|0;if(B>>>0>=j>>>0)break;D=B;C=f[i>>2]|0}u=c;return 1}C=(k|0)!=0;if(a>>>0<2097152){if(C){K=0;L=m}else{u=c;return 1}while(1){a=f[L+96>>2]|0;ci(f[a+(K*12|0)>>2]|0,f[l>>2]|0)|0;ci(f[a+(K*12|0)+4>>2]|0,f[l>>2]|0)|0;ci(f[a+(K*12|0)+8>>2]|0,f[l>>2]|0)|0;a=K+1|0;if(a>>>0>=j>>>0)break;K=a;L=f[i>>2]|0}u=c;return 1}if(!C){u=c;return 1}C=0;L=m;while(1){m=(f[L+96>>2]|0)+(C*12|0)|0;K=f[l>>2]|0;a=K+16|0;k=f[a+4>>2]|0;if(!((k|0)>0|(k|0)==0&(f[a>>2]|0)>>>0>0)){f[g>>2]=f[K+4>>2];f[e>>2]=f[g>>2];Me(K,e,m,m+12|0)|0}m=C+1|0;if(m>>>0>=j>>>0)break;C=m;L=f[i>>2]|0}u=c;return 1}function Ac(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=Oa,w=Oa,x=Oa,y=Oa,z=0,A=0,B=0,C=Oa,D=Oa,E=Oa,F=Oa,G=Oa,H=Oa,I=Oa,K=Oa,M=Oa,N=Oa,O=Oa,P=0,Q=Oa,R=Oa,S=0;g=u;u=u+48|0;h=g+40|0;i=g+36|0;j=g+24|0;k=g+12|0;l=g;m=a+28|0;o=f[c>>2]|0;c=o+1|0;if((o|0)!=-1){p=((c>>>0)%3|0|0)==0?o+-2|0:c;c=o+(((o>>>0)%3|0|0)==0?2:-1)|0;if((p|0)==-1)q=-1;else q=f[(f[f[m>>2]>>2]|0)+(p<<2)>>2]|0;if((c|0)==-1){r=-1;s=q}else{r=f[(f[f[m>>2]>>2]|0)+(c<<2)>>2]|0;s=q}}else{r=-1;s=-1}q=f[a+32>>2]|0;c=f[q>>2]|0;m=(f[q+4>>2]|0)-c>>2;if(m>>>0<=s>>>0)aq(q);p=c;c=f[p+(s<<2)>>2]|0;if(m>>>0<=r>>>0)aq(q);q=f[p+(r<<2)>>2]|0;r=(c|0)<(e|0);if(!(r&(q|0)<(e|0))){do if(r)t=c;else{if((e|0)>0){t=e+-1|0;break}p=a+52|0;if((f[p>>2]|0)<=0){u=g;return}m=f[a+48>>2]|0;s=0;do{f[m+(s<<2)>>2]=0;s=s+1|0}while((s|0)<(f[p>>2]|0));u=g;return}while(0);r=a+52|0;p=f[r>>2]|0;s=X(p,t)|0;if((p|0)<=0){u=g;return}p=f[a+48>>2]|0;t=0;do{f[p+(t<<2)>>2]=f[d+(t+s<<2)>>2];t=t+1|0}while((t|0)<(f[r>>2]|0));u=g;return}r=a+52|0;t=f[r>>2]|0;s=X(t,c)|0;v=$(f[d+(s<<2)>>2]|0);w=$(f[d+(s+1<<2)>>2]|0);s=X(t,q)|0;x=$(f[d+(s<<2)>>2]|0);y=$(f[d+(s+1<<2)>>2]|0);if(!(x!=v|y!=w)){s=f[a+48>>2]|0;f[s>>2]=~~x;f[s+4>>2]=~~y;u=g;return}s=a+44|0;t=f[(f[s>>2]|0)+(e<<2)>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;p=a+40|0;m=f[p>>2]|0;if(!(b[m+84>>0]|0))z=f[(f[m+68>>2]|0)+(t<<2)>>2]|0;else z=t;f[i>>2]=z;z=b[m+24>>0]|0;f[h>>2]=f[i>>2];mb(m,h,z,j)|0;z=f[(f[s>>2]|0)+(c<<2)>>2]|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;c=f[p>>2]|0;if(!(b[c+84>>0]|0))A=f[(f[c+68>>2]|0)+(z<<2)>>2]|0;else A=z;f[i>>2]=A;A=b[c+24>>0]|0;f[h>>2]=f[i>>2];mb(c,h,A,k)|0;A=f[(f[s>>2]|0)+(q<<2)>>2]|0;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;q=f[p>>2]|0;if(!(b[q+84>>0]|0))B=f[(f[q+68>>2]|0)+(A<<2)>>2]|0;else B=A;f[i>>2]=B;B=b[q+24>>0]|0;f[h>>2]=f[i>>2];mb(q,h,B,l)|0;C=$(n[l>>2]);D=$(n[k>>2]);E=$(C-D);C=$(n[l+4>>2]);F=$(n[k+4>>2]);G=$(C-F);C=$(n[l+8>>2]);H=$(n[k+8>>2]);I=$(C-H);C=$($(n[j>>2])-D);D=$($(n[j+4>>2])-F);F=$($(n[j+8>>2])-H);H=$($($($(E*E)+$(0.0))+$(G*G))+$(I*I));if(H>$(0.0)){K=$($($($($(E*C)+$(0.0))+$(G*D))+$(I*F))/H);M=$(C-$(E*K));E=$(D-$(G*K));G=$(F-$(I*K));N=K;O=$(L($($($(G*G)+$($(E*E)+$($(M*M)+$(0.0))))/H)))}else{N=$(0.0);O=$(0.0)}H=$(x-v);x=$(y-w);y=$($(H*N)+v);v=$(H*O);H=$($(x*N)+w);w=$(x*O);O=$(y-w);x=$(H+v);N=$(y+w);w=$(H-v);j=X(f[r>>2]|0,e)|0;v=$(f[d+(j<<2)>>2]|0);H=$(f[d+(j+1<<2)>>2]|0);y=$(v-O);M=$(H-x);E=$(v-N);v=$(H-w);j=$($($(y*y)+$(0.0))+$(M*M))<$($($(E*E)+$(0.0))+$(v*v));d=a+56|0;e=a+60|0;r=f[e>>2]|0;k=f[a+64>>2]|0;l=(r|0)==(k<<5|0);if(j){do if(l)if((r+1|0)<0)aq(d);else{j=k<<6;B=r+32&-32;vi(d,r>>>0<1073741823?(j>>>0>>0?B:j):2147483647);P=f[e>>2]|0;break}else P=r;while(0);f[e>>2]=P+1;j=(f[d>>2]|0)+(P>>>5<<2)|0;f[j>>2]=f[j>>2]|1<<(P&31);Q=O;R=x}else{do if(l)if((r+1|0)<0)aq(d);else{P=k<<6;j=r+32&-32;vi(d,r>>>0<1073741823?(P>>>0>>0?j:P):2147483647);S=f[e>>2]|0;break}else S=r;while(0);f[e>>2]=S+1;e=(f[d>>2]|0)+(S>>>5<<2)|0;f[e>>2]=f[e>>2]&~(1<<(S&31));Q=N;R=w}S=~~+J(+(+Q+.5));e=f[a+48>>2]|0;f[e>>2]=S;S=~~+J(+(+R+.5));f[e+4>>2]=S;u=g;return}function Bc(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=Oa,v=Oa,w=Oa,x=Oa,y=0,z=0,A=0,B=Oa,C=Oa,D=Oa,E=Oa,F=Oa,G=Oa,H=Oa,I=Oa,K=Oa,M=Oa,N=Oa,O=0,P=Oa,Q=Oa,R=0;g=u;u=u+48|0;h=g+40|0;i=g+36|0;j=g+24|0;k=g+12|0;l=g;m=a+28|0;o=f[c>>2]|0;c=o+1|0;do if((o|0)!=-1){p=((c>>>0)%3|0|0)==0?o+-2|0:c;if(!((o>>>0)%3|0)){q=o+2|0;r=p;break}else{q=o+-1|0;r=p;break}}else{q=-1;r=-1}while(0);o=f[(f[m>>2]|0)+28>>2]|0;m=f[o+(r<<2)>>2]|0;r=f[o+(q<<2)>>2]|0;q=f[a+32>>2]|0;o=f[q>>2]|0;c=(f[q+4>>2]|0)-o>>2;if(c>>>0<=m>>>0)aq(q);p=o;o=f[p+(m<<2)>>2]|0;if(c>>>0<=r>>>0)aq(q);q=f[p+(r<<2)>>2]|0;r=(o|0)<(e|0);if(!(r&(q|0)<(e|0))){do if(r)s=o;else{if((e|0)>0){s=e+-1|0;break}p=a+52|0;if((f[p>>2]|0)<=0){u=g;return}c=f[a+48>>2]|0;m=0;do{f[c+(m<<2)>>2]=0;m=m+1|0}while((m|0)<(f[p>>2]|0));u=g;return}while(0);r=a+52|0;p=f[r>>2]|0;m=X(p,s)|0;if((p|0)<=0){u=g;return}p=f[a+48>>2]|0;s=0;do{f[p+(s<<2)>>2]=f[d+(s+m<<2)>>2];s=s+1|0}while((s|0)<(f[r>>2]|0));u=g;return}r=a+52|0;s=f[r>>2]|0;m=X(s,o)|0;t=$(f[d+(m<<2)>>2]|0);v=$(f[d+(m+1<<2)>>2]|0);m=X(s,q)|0;w=$(f[d+(m<<2)>>2]|0);x=$(f[d+(m+1<<2)>>2]|0);if(!(w!=t|x!=v)){m=f[a+48>>2]|0;f[m>>2]=~~w;f[m+4>>2]=~~x;u=g;return}m=a+44|0;s=f[(f[m>>2]|0)+(e<<2)>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;p=a+40|0;c=f[p>>2]|0;if(!(b[c+84>>0]|0))y=f[(f[c+68>>2]|0)+(s<<2)>>2]|0;else y=s;f[i>>2]=y;y=b[c+24>>0]|0;f[h>>2]=f[i>>2];mb(c,h,y,j)|0;y=f[(f[m>>2]|0)+(o<<2)>>2]|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;o=f[p>>2]|0;if(!(b[o+84>>0]|0))z=f[(f[o+68>>2]|0)+(y<<2)>>2]|0;else z=y;f[i>>2]=z;z=b[o+24>>0]|0;f[h>>2]=f[i>>2];mb(o,h,z,k)|0;z=f[(f[m>>2]|0)+(q<<2)>>2]|0;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;q=f[p>>2]|0;if(!(b[q+84>>0]|0))A=f[(f[q+68>>2]|0)+(z<<2)>>2]|0;else A=z;f[i>>2]=A;A=b[q+24>>0]|0;f[h>>2]=f[i>>2];mb(q,h,A,l)|0;B=$(n[l>>2]);C=$(n[k>>2]);D=$(B-C);B=$(n[l+4>>2]);E=$(n[k+4>>2]);F=$(B-E);B=$(n[l+8>>2]);G=$(n[k+8>>2]);H=$(B-G);B=$($(n[j>>2])-C);C=$($(n[j+4>>2])-E);E=$($(n[j+8>>2])-G);G=$($($($(D*D)+$(0.0))+$(F*F))+$(H*H));if(G>$(0.0)){I=$($($($($(D*B)+$(0.0))+$(F*C))+$(H*E))/G);K=$(B-$(D*I));D=$(C-$(F*I));F=$(E-$(H*I));M=I;N=$(L($($($(F*F)+$($(D*D)+$($(K*K)+$(0.0))))/G)))}else{M=$(0.0);N=$(0.0)}G=$(w-t);w=$(x-v);x=$($(G*M)+t);t=$(G*N);G=$($(w*M)+v);v=$(w*N);N=$(x-v);w=$(G+t);M=$(x+v);v=$(G-t);j=X(f[r>>2]|0,e)|0;t=$(f[d+(j<<2)>>2]|0);G=$(f[d+(j+1<<2)>>2]|0);x=$(t-N);K=$(G-w);D=$(t-M);t=$(G-v);j=$($($(x*x)+$(0.0))+$(K*K))<$($($(D*D)+$(0.0))+$(t*t));d=a+56|0;e=a+60|0;r=f[e>>2]|0;k=f[a+64>>2]|0;l=(r|0)==(k<<5|0);if(j){do if(l)if((r+1|0)<0)aq(d);else{j=k<<6;A=r+32&-32;vi(d,r>>>0<1073741823?(j>>>0>>0?A:j):2147483647);O=f[e>>2]|0;break}else O=r;while(0);f[e>>2]=O+1;j=(f[d>>2]|0)+(O>>>5<<2)|0;f[j>>2]=f[j>>2]|1<<(O&31);P=N;Q=w}else{do if(l)if((r+1|0)<0)aq(d);else{O=k<<6;j=r+32&-32;vi(d,r>>>0<1073741823?(O>>>0>>0?j:O):2147483647);R=f[e>>2]|0;break}else R=r;while(0);f[e>>2]=R+1;e=(f[d>>2]|0)+(R>>>5<<2)|0;f[e>>2]=f[e>>2]&~(1<<(R&31));P=M;Q=v}R=~~+J(+(+P+.5));e=f[a+48>>2]|0;f[e>>2]=R;R=~~+J(+(+Q+.5));f[e+4>>2]=R;u=g;return}function Cc(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=Oa,w=Oa,x=Oa,y=Oa,z=0,A=0,B=0,C=Oa,D=Oa,E=Oa,F=Oa,G=Oa,H=Oa,I=Oa,K=Oa,M=Oa,N=Oa,O=Oa,P=0,Q=Oa,R=Oa,S=0;g=u;u=u+48|0;h=g+40|0;i=g+36|0;j=g+24|0;k=g+12|0;l=g;m=a+48|0;o=f[c>>2]|0;c=o+1|0;if((o|0)!=-1){p=((c>>>0)%3|0|0)==0?o+-2|0:c;c=o+(((o>>>0)%3|0|0)==0?2:-1)|0;if((p|0)==-1)q=-1;else q=f[(f[f[m>>2]>>2]|0)+(p<<2)>>2]|0;if((c|0)==-1){r=-1;s=q}else{r=f[(f[f[m>>2]>>2]|0)+(c<<2)>>2]|0;s=q}}else{r=-1;s=-1}q=f[a+52>>2]|0;c=f[q>>2]|0;m=(f[q+4>>2]|0)-c>>2;if(m>>>0<=s>>>0)aq(q);p=c;c=f[p+(s<<2)>>2]|0;if(m>>>0<=r>>>0)aq(q);q=f[p+(r<<2)>>2]|0;r=(c|0)<(e|0);if(!(r&(q|0)<(e|0))){do if(r)t=c;else{if((e|0)>0){t=e+-1|0;break}p=a+72|0;if((f[p>>2]|0)<=0){u=g;return}m=f[a+68>>2]|0;s=0;do{f[m+(s<<2)>>2]=0;s=s+1|0}while((s|0)<(f[p>>2]|0));u=g;return}while(0);r=a+72|0;p=f[r>>2]|0;s=X(p,t)|0;if((p|0)<=0){u=g;return}p=f[a+68>>2]|0;t=0;do{f[p+(t<<2)>>2]=f[d+(t+s<<2)>>2];t=t+1|0}while((t|0)<(f[r>>2]|0));u=g;return}r=a+72|0;t=f[r>>2]|0;s=X(t,c)|0;v=$(f[d+(s<<2)>>2]|0);w=$(f[d+(s+1<<2)>>2]|0);s=X(t,q)|0;x=$(f[d+(s<<2)>>2]|0);y=$(f[d+(s+1<<2)>>2]|0);if(!(x!=v|y!=w)){s=f[a+68>>2]|0;f[s>>2]=~~x;f[s+4>>2]=~~y;u=g;return}s=a+64|0;t=f[(f[s>>2]|0)+(e<<2)>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;p=a+60|0;m=f[p>>2]|0;if(!(b[m+84>>0]|0))z=f[(f[m+68>>2]|0)+(t<<2)>>2]|0;else z=t;f[i>>2]=z;z=b[m+24>>0]|0;f[h>>2]=f[i>>2];mb(m,h,z,j)|0;z=f[(f[s>>2]|0)+(c<<2)>>2]|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;c=f[p>>2]|0;if(!(b[c+84>>0]|0))A=f[(f[c+68>>2]|0)+(z<<2)>>2]|0;else A=z;f[i>>2]=A;A=b[c+24>>0]|0;f[h>>2]=f[i>>2];mb(c,h,A,k)|0;A=f[(f[s>>2]|0)+(q<<2)>>2]|0;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;q=f[p>>2]|0;if(!(b[q+84>>0]|0))B=f[(f[q+68>>2]|0)+(A<<2)>>2]|0;else B=A;f[i>>2]=B;B=b[q+24>>0]|0;f[h>>2]=f[i>>2];mb(q,h,B,l)|0;C=$(n[l>>2]);D=$(n[k>>2]);E=$(C-D);C=$(n[l+4>>2]);F=$(n[k+4>>2]);G=$(C-F);C=$(n[l+8>>2]);H=$(n[k+8>>2]);I=$(C-H);C=$($(n[j>>2])-D);D=$($(n[j+4>>2])-F);F=$($(n[j+8>>2])-H);H=$($($($(E*E)+$(0.0))+$(G*G))+$(I*I));if(H>$(0.0)){K=$($($($($(E*C)+$(0.0))+$(G*D))+$(I*F))/H);M=$(C-$(E*K));E=$(D-$(G*K));G=$(F-$(I*K));N=K;O=$(L($($($(G*G)+$($(E*E)+$($(M*M)+$(0.0))))/H)))}else{N=$(0.0);O=$(0.0)}H=$(x-v);x=$(y-w);y=$($(H*N)+v);v=$(H*O);H=$($(x*N)+w);w=$(x*O);O=$(y-w);x=$(H+v);N=$(y+w);w=$(H-v);j=X(f[r>>2]|0,e)|0;v=$(f[d+(j<<2)>>2]|0);H=$(f[d+(j+1<<2)>>2]|0);y=$(v-O);M=$(H-x);E=$(v-N);v=$(H-w);j=$($($(y*y)+$(0.0))+$(M*M))<$($($(E*E)+$(0.0))+$(v*v));d=a+76|0;e=a+80|0;r=f[e>>2]|0;k=f[a+84>>2]|0;l=(r|0)==(k<<5|0);if(j){do if(l)if((r+1|0)<0)aq(d);else{j=k<<6;B=r+32&-32;vi(d,r>>>0<1073741823?(j>>>0>>0?B:j):2147483647);P=f[e>>2]|0;break}else P=r;while(0);f[e>>2]=P+1;j=(f[d>>2]|0)+(P>>>5<<2)|0;f[j>>2]=f[j>>2]|1<<(P&31);Q=O;R=x}else{do if(l)if((r+1|0)<0)aq(d);else{P=k<<6;j=r+32&-32;vi(d,r>>>0<1073741823?(P>>>0>>0?j:P):2147483647);S=f[e>>2]|0;break}else S=r;while(0);f[e>>2]=S+1;e=(f[d>>2]|0)+(S>>>5<<2)|0;f[e>>2]=f[e>>2]&~(1<<(S&31));Q=N;R=w}S=~~+J(+(+Q+.5));e=f[a+68>>2]|0;f[e>>2]=S;S=~~+J(+(+R+.5));f[e+4>>2]=S;u=g;return}function Dc(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=Oa,v=Oa,w=Oa,x=Oa,y=0,z=0,A=0,B=Oa,C=Oa,D=Oa,E=Oa,F=Oa,G=Oa,H=Oa,I=Oa,K=Oa,M=Oa,N=Oa,O=0,P=Oa,Q=Oa,R=0;g=u;u=u+48|0;h=g+40|0;i=g+36|0;j=g+24|0;k=g+12|0;l=g;m=a+48|0;o=f[c>>2]|0;c=o+1|0;do if((o|0)!=-1){p=((c>>>0)%3|0|0)==0?o+-2|0:c;if(!((o>>>0)%3|0)){q=o+2|0;r=p;break}else{q=o+-1|0;r=p;break}}else{q=-1;r=-1}while(0);o=f[(f[m>>2]|0)+28>>2]|0;m=f[o+(r<<2)>>2]|0;r=f[o+(q<<2)>>2]|0;q=f[a+52>>2]|0;o=f[q>>2]|0;c=(f[q+4>>2]|0)-o>>2;if(c>>>0<=m>>>0)aq(q);p=o;o=f[p+(m<<2)>>2]|0;if(c>>>0<=r>>>0)aq(q);q=f[p+(r<<2)>>2]|0;r=(o|0)<(e|0);if(!(r&(q|0)<(e|0))){do if(r)s=o;else{if((e|0)>0){s=e+-1|0;break}p=a+72|0;if((f[p>>2]|0)<=0){u=g;return}c=f[a+68>>2]|0;m=0;do{f[c+(m<<2)>>2]=0;m=m+1|0}while((m|0)<(f[p>>2]|0));u=g;return}while(0);r=a+72|0;p=f[r>>2]|0;m=X(p,s)|0;if((p|0)<=0){u=g;return}p=f[a+68>>2]|0;s=0;do{f[p+(s<<2)>>2]=f[d+(s+m<<2)>>2];s=s+1|0}while((s|0)<(f[r>>2]|0));u=g;return}r=a+72|0;s=f[r>>2]|0;m=X(s,o)|0;t=$(f[d+(m<<2)>>2]|0);v=$(f[d+(m+1<<2)>>2]|0);m=X(s,q)|0;w=$(f[d+(m<<2)>>2]|0);x=$(f[d+(m+1<<2)>>2]|0);if(!(w!=t|x!=v)){m=f[a+68>>2]|0;f[m>>2]=~~w;f[m+4>>2]=~~x;u=g;return}m=a+64|0;s=f[(f[m>>2]|0)+(e<<2)>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;p=a+60|0;c=f[p>>2]|0;if(!(b[c+84>>0]|0))y=f[(f[c+68>>2]|0)+(s<<2)>>2]|0;else y=s;f[i>>2]=y;y=b[c+24>>0]|0;f[h>>2]=f[i>>2];mb(c,h,y,j)|0;y=f[(f[m>>2]|0)+(o<<2)>>2]|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;o=f[p>>2]|0;if(!(b[o+84>>0]|0))z=f[(f[o+68>>2]|0)+(y<<2)>>2]|0;else z=y;f[i>>2]=z;z=b[o+24>>0]|0;f[h>>2]=f[i>>2];mb(o,h,z,k)|0;z=f[(f[m>>2]|0)+(q<<2)>>2]|0;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;q=f[p>>2]|0;if(!(b[q+84>>0]|0))A=f[(f[q+68>>2]|0)+(z<<2)>>2]|0;else A=z;f[i>>2]=A;A=b[q+24>>0]|0;f[h>>2]=f[i>>2];mb(q,h,A,l)|0;B=$(n[l>>2]);C=$(n[k>>2]);D=$(B-C);B=$(n[l+4>>2]);E=$(n[k+4>>2]);F=$(B-E);B=$(n[l+8>>2]);G=$(n[k+8>>2]);H=$(B-G);B=$($(n[j>>2])-C);C=$($(n[j+4>>2])-E);E=$($(n[j+8>>2])-G);G=$($($($(D*D)+$(0.0))+$(F*F))+$(H*H));if(G>$(0.0)){I=$($($($($(D*B)+$(0.0))+$(F*C))+$(H*E))/G);K=$(B-$(D*I));D=$(C-$(F*I));F=$(E-$(H*I));M=I;N=$(L($($($(F*F)+$($(D*D)+$($(K*K)+$(0.0))))/G)))}else{M=$(0.0);N=$(0.0)}G=$(w-t);w=$(x-v);x=$($(G*M)+t);t=$(G*N);G=$($(w*M)+v);v=$(w*N);N=$(x-v);w=$(G+t);M=$(x+v);v=$(G-t);j=X(f[r>>2]|0,e)|0;t=$(f[d+(j<<2)>>2]|0);G=$(f[d+(j+1<<2)>>2]|0);x=$(t-N);K=$(G-w);D=$(t-M);t=$(G-v);j=$($($(x*x)+$(0.0))+$(K*K))<$($($(D*D)+$(0.0))+$(t*t));d=a+76|0;e=a+80|0;r=f[e>>2]|0;k=f[a+84>>2]|0;l=(r|0)==(k<<5|0);if(j){do if(l)if((r+1|0)<0)aq(d);else{j=k<<6;A=r+32&-32;vi(d,r>>>0<1073741823?(j>>>0>>0?A:j):2147483647);O=f[e>>2]|0;break}else O=r;while(0);f[e>>2]=O+1;j=(f[d>>2]|0)+(O>>>5<<2)|0;f[j>>2]=f[j>>2]|1<<(O&31);P=N;Q=w}else{do if(l)if((r+1|0)<0)aq(d);else{O=k<<6;j=r+32&-32;vi(d,r>>>0<1073741823?(O>>>0>>0?j:O):2147483647);R=f[e>>2]|0;break}else R=r;while(0);f[e>>2]=R+1;e=(f[d>>2]|0)+(R>>>5<<2)|0;f[e>>2]=f[e>>2]&~(1<<(R&31));P=M;Q=v}R=~~+J(+(+P+.5));e=f[a+68>>2]|0;f[e>>2]=R;R=~~+J(+(+Q+.5));f[e+4>>2]=R;u=g;return}function Ec(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=Oa,F=Oa,G=Oa,H=0,I=0,J=0,K=0;d=b[c+11>>0]|0;e=d<<24>>24<0;g=e?f[c>>2]|0:c;i=e?f[c+4>>2]|0:d&255;if(i>>>0>3){d=g;e=i;j=i;while(1){k=X(h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24,1540483477)|0;e=(X(k>>>24^k,1540483477)|0)^(X(e,1540483477)|0);j=j+-4|0;if(j>>>0<=3)break;else d=d+4|0}d=i+-4|0;j=d&-4;l=d-j|0;m=g+(j+4)|0;o=e}else{l=i;m=g;o=i}switch(l|0){case 3:{p=h[m+2>>0]<<16^o;q=6;break}case 2:{p=o;q=6;break}case 1:{r=o;q=7;break}default:s=o}if((q|0)==6){r=h[m+1>>0]<<8^p;q=7}if((q|0)==7)s=X(r^h[m>>0],1540483477)|0;m=X(s>>>13^s,1540483477)|0;s=m>>>15^m;m=a+4|0;r=f[m>>2]|0;p=(r|0)==0;a:do if(!p){o=r+-1|0;l=(o&r|0)==0;if(!l)if(s>>>0>>0)t=s;else t=(s>>>0)%(r>>>0)|0;else t=s&o;e=f[(f[a>>2]|0)+(t<<2)>>2]|0;if((e|0)!=0?(j=f[e>>2]|0,(j|0)!=0):0){e=(i|0)==0;if(l){if(e){l=j;while(1){d=f[l+4>>2]|0;if(!((d|0)==(s|0)|(d&o|0)==(t|0))){u=t;break a}d=b[l+8+11>>0]|0;if(!((d<<24>>24<0?f[l+12>>2]|0:d&255)|0)){v=l;break}l=f[l>>2]|0;if(!l){u=t;break a}}w=v+20|0;return w|0}else x=j;b:while(1){l=f[x+4>>2]|0;if(!((l|0)==(s|0)|(l&o|0)==(t|0))){u=t;break a}l=x+8|0;d=b[l+11>>0]|0;k=d<<24>>24<0;y=d&255;do if(((k?f[x+12>>2]|0:y)|0)==(i|0)){d=f[l>>2]|0;if(k)if(!(Vk(d,g,i)|0)){v=x;q=63;break b}else break;if((b[g>>0]|0)==(d&255)<<24>>24){d=l;z=y;A=g;do{z=z+-1|0;d=d+1|0;if(!z){v=x;q=63;break b}A=A+1|0}while((b[d>>0]|0)==(b[A>>0]|0))}}while(0);x=f[x>>2]|0;if(!x){u=t;break a}}if((q|0)==63){w=v+20|0;return w|0}}if(e){o=j;while(1){y=f[o+4>>2]|0;if((y|0)!=(s|0)){if(y>>>0>>0)B=y;else B=(y>>>0)%(r>>>0)|0;if((B|0)!=(t|0)){u=t;break a}}y=b[o+8+11>>0]|0;if(!((y<<24>>24<0?f[o+12>>2]|0:y&255)|0)){v=o;break}o=f[o>>2]|0;if(!o){u=t;break a}}w=v+20|0;return w|0}else C=j;c:while(1){o=f[C+4>>2]|0;if((o|0)!=(s|0)){if(o>>>0>>0)D=o;else D=(o>>>0)%(r>>>0)|0;if((D|0)!=(t|0)){u=t;break a}}o=C+8|0;e=b[o+11>>0]|0;y=e<<24>>24<0;l=e&255;do if(((y?f[C+12>>2]|0:l)|0)==(i|0)){e=f[o>>2]|0;if(y)if(!(Vk(e,g,i)|0)){v=C;q=63;break c}else break;if((b[g>>0]|0)==(e&255)<<24>>24){e=o;k=l;A=g;do{k=k+-1|0;e=e+1|0;if(!k){v=C;q=63;break c}A=A+1|0}while((b[e>>0]|0)==(b[A>>0]|0))}}while(0);C=f[C>>2]|0;if(!C){u=t;break a}}if((q|0)==63){w=v+20|0;return w|0}}else u=t}else u=0;while(0);t=ln(24)|0;pj(t+8|0,c);f[t+20>>2]=0;f[t+4>>2]=s;f[t>>2]=0;c=a+12|0;E=$(((f[c>>2]|0)+1|0)>>>0);F=$(r>>>0);G=$(n[a+16>>2]);do if(p|$(G*F)>>0<3|(r+-1&r|0)!=0)&1;g=~~$(W($(E/G)))>>>0;ei(a,C>>>0>>0?g:C);C=f[m>>2]|0;g=C+-1|0;if(!(g&C)){H=C;I=g&s;break}if(s>>>0>>0){H=C;I=s}else{H=C;I=(s>>>0)%(C>>>0)|0}}else{H=r;I=u}while(0);u=(f[a>>2]|0)+(I<<2)|0;I=f[u>>2]|0;if(!I){r=a+8|0;f[t>>2]=f[r>>2];f[r>>2]=t;f[u>>2]=r;r=f[t>>2]|0;if(r|0){u=f[r+4>>2]|0;r=H+-1|0;if(r&H)if(u>>>0>>0)J=u;else J=(u>>>0)%(H>>>0)|0;else J=u&r;K=(f[a>>2]|0)+(J<<2)|0;q=61}}else{f[t>>2]=f[I>>2];K=I;q=61}if((q|0)==61)f[K>>2]=t;f[c>>2]=(f[c>>2]|0)+1;v=t;w=v+20|0;return w|0}function Fc(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0.0,q=0.0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0.0,G=0.0,H=0,J=0,K=0,L=0,M=0,N=0,O=0.0,P=0,Q=0.0,R=0.0,S=0,T=0.0,U=0,V=0,W=0,X=0.0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0.0,da=0,ea=0.0;g=a+4|0;i=f[g>>2]|0;j=a+100|0;if(i>>>0<(f[j>>2]|0)>>>0){f[g>>2]=i+1;k=h[i>>0]|0;l=0}else{k=Si(a)|0;l=0}a:while(1){switch(k|0){case 46:{m=8;break a;break}case 48:break;default:{n=0;o=0;p=1.0;q=0.0;r=0;s=k;t=l;u=0;v=0;w=0;x=0;break a}}i=f[g>>2]|0;if(i>>>0<(f[j>>2]|0)>>>0){f[g>>2]=i+1;k=h[i>>0]|0;l=1;continue}else{k=Si(a)|0;l=1;continue}}if((m|0)==8){k=f[g>>2]|0;if(k>>>0<(f[j>>2]|0)>>>0){f[g>>2]=k+1;y=h[k>>0]|0}else y=Si(a)|0;if((y|0)==48){k=0;i=0;while(1){z=f[g>>2]|0;if(z>>>0<(f[j>>2]|0)>>>0){f[g>>2]=z+1;A=h[z>>0]|0}else A=Si(a)|0;z=Vn(k|0,i|0,-1,-1)|0;B=I;if((A|0)==48){k=z;i=B}else{n=1;o=0;p=1.0;q=0.0;r=0;s=A;t=1;u=0;v=0;w=z;x=B;break}}}else{n=1;o=0;p=1.0;q=0.0;r=0;s=y;t=l;u=0;v=0;w=0;x=0}}while(1){l=s+-48|0;y=s|32;if(l>>>0>=10){A=(s|0)==46;if(!(A|(y+-97|0)>>>0<6)){C=s;break}if(A)if(!n){D=1;E=o;F=p;G=q;H=r;J=t;K=v;L=u;M=v;N=u}else{C=46;break}else m=20}else m=20;if((m|0)==20){m=0;A=(s|0)>57?y+-87|0:l;do if(!((u|0)<0|(u|0)==0&v>>>0<8))if((u|0)<0|(u|0)==0&v>>>0<14){O=p*.0625;P=o;Q=O;R=q+O*+(A|0);S=r;break}else{l=(o|0)!=0|(A|0)==0;P=l?o:1;Q=p;R=l?q:q+p*.5;S=r;break}else{P=o;Q=p;R=q;S=A+(r<<4)|0}while(0);A=Vn(v|0,u|0,1,0)|0;D=n;E=P;F=Q;G=R;H=S;J=1;K=w;L=x;M=A;N=I}A=f[g>>2]|0;if(A>>>0<(f[j>>2]|0)>>>0){f[g>>2]=A+1;n=D;o=E;p=F;q=G;r=H;s=h[A>>0]|0;t=J;u=N;v=M;w=K;x=L;continue}else{n=D;o=E;p=F;q=G;r=H;s=Si(a)|0;t=J;u=N;v=M;w=K;x=L;continue}}do if(!t){L=(f[j>>2]|0)==0;if(!L)f[g>>2]=(f[g>>2]|0)+-1;if(e){if(!L)f[g>>2]=(f[g>>2]|0)+-1;if(!((n|0)==0|L))f[g>>2]=(f[g>>2]|0)+-1}else Ym(a,0);T=+(d|0)*0.0}else{L=(n|0)==0;K=L?v:w;M=L?u:x;if((u|0)<0|(u|0)==0&v>>>0<8){L=r;N=v;J=u;while(1){s=L<<4;H=N;N=Vn(N|0,J|0,1,0)|0;if(!((J|0)<0|(J|0)==0&H>>>0<7)){U=s;break}else{L=s;J=I}}}else U=r;if((C|32|0)==112){J=Re(a,e)|0;L=I;if((J|0)==0&(L|0)==-2147483648){if(!e){Ym(a,0);T=0.0;break}if(!(f[j>>2]|0)){V=0;W=0}else{f[g>>2]=(f[g>>2]|0)+-1;V=0;W=0}}else{V=J;W=L}}else if(!(f[j>>2]|0)){V=0;W=0}else{f[g>>2]=(f[g>>2]|0)+-1;V=0;W=0}L=Tn(K|0,M|0,2)|0;J=Vn(L|0,I|0,-32,-1)|0;L=Vn(J|0,I|0,V|0,W|0)|0;J=I;if(!U){T=+(d|0)*0.0;break}N=0-c|0;s=((N|0)<0)<<31>>31;if((J|0)>(s|0)|(J|0)==(s|0)&L>>>0>N>>>0){N=Vq()|0;f[N>>2]=34;T=+(d|0)*1797693134862315708145274.0e284*1797693134862315708145274.0e284;break}N=c+-106|0;s=((N|0)<0)<<31>>31;if((J|0)<(s|0)|(J|0)==(s|0)&L>>>0>>0){N=Vq()|0;f[N>>2]=34;T=+(d|0)*2.2250738585072014e-308*2.2250738585072014e-308;break}if((U|0)>-1){G=q;N=U;s=L;H=J;while(1){E=!(G>=.5);o=N<<1|(E^1)&1;F=G+(E?G:G+-1.0);E=Vn(s|0,H|0,-1,-1)|0;D=I;if((o|0)>-1){G=F;N=o;s=E;H=D}else{X=F;Y=o;Z=E;_=D;break}}}else{X=q;Y=U;Z=L;_=J}H=((b|0)<0)<<31>>31;s=Xn(32,0,c|0,((c|0)<0)<<31>>31|0)|0;N=Vn(s|0,I|0,Z|0,_|0)|0;s=I;if((s|0)<(H|0)|(s|0)==(H|0)&N>>>0>>0)if((N|0)>0){$=N;m=59}else{aa=0;ba=84;m=61}else{$=b;m=59}if((m|0)==59)if(($|0)<53){aa=$;ba=84-$|0;m=61}else{ca=0.0;da=$;ea=+(d|0)}if((m|0)==61){G=+(d|0);ca=+rq(+bk(1.0,ba),G);da=aa;ea=G}N=(Y&1|0)==0&(X!=0.0&(da|0)<32);G=(N?0.0:X)*ea+(ca+ea*+((Y+(N&1)|0)>>>0))-ca;if(!(G!=0.0)){N=Vq()|0;f[N>>2]=34}T=+sq(G,Z)}while(0);return +T}function Gc(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0;g=u;u=u+16|0;h=g+4|0;i=g;if(!(Gh(a,d)|0)){j=0;u=g;return j|0}d=a+84|0;k=f[d>>2]|0;l=a+88|0;m=f[l>>2]|0;if((m|0)!=(k|0))f[l>>2]=m+(~((m+-4-k|0)>>>2)<<2);f[d>>2]=0;f[l>>2]=0;f[a+92>>2]=0;if(k|0)Oq(k);k=a+72|0;l=f[k>>2]|0;d=a+76|0;if((f[d>>2]|0)!=(l|0))f[d>>2]=l;f[k>>2]=0;f[d>>2]=0;f[a+80>>2]=0;if(l|0)Oq(l);l=a+64|0;d=f[l>>2]|0;if((f[d+4>>2]|0)!=(f[d>>2]|0)){k=a+12|0;m=e+84|0;n=e+68|0;o=c+96|0;p=a+24|0;q=0;r=d;do{f[i>>2]=(q>>>0)/3|0;f[h>>2]=f[i>>2];d=_j(r,h)|0;r=f[l>>2]|0;do if(!d){s=f[(f[r+12>>2]|0)+(q<<2)>>2]|0;if((s|0)==-1){t=(f[a>>2]|0)+(q>>>5<<2)|0;f[t>>2]=f[t>>2]|1<<(q&31);t=q+1|0;v=((t>>>0)%3|0|0)==0?q+-2|0:t;if((v|0)==-1)w=-1;else w=f[(f[r>>2]|0)+(v<<2)>>2]|0;v=(f[k>>2]|0)+(w>>>5<<2)|0;f[v>>2]=f[v>>2]|1<<(w&31);v=(((q>>>0)%3|0|0)==0?2:-1)+q|0;if((v|0)==-1)x=-1;else x=f[(f[r>>2]|0)+(v<<2)>>2]|0;v=(f[k>>2]|0)+(x>>>5<<2)|0;f[v>>2]=f[v>>2]|1<<(x&31);break}if(s>>>0>=q>>>0){v=q+1|0;t=((v>>>0)%3|0|0)==0?q+-2|0:v;y=s+(((s>>>0)%3|0|0)==0?2:-1)|0;z=(t|0)==-1;if(!(b[m>>0]|0)){if(z)A=-1;else A=f[(f[o>>2]|0)+(((t|0)/3|0)*12|0)+(((t|0)%3|0)<<2)>>2]|0;B=(y|0)==-1;if(B)C=-1;else C=f[(f[o>>2]|0)+(((y|0)/3|0)*12|0)+(((y|0)%3|0)<<2)>>2]|0;D=f[n>>2]|0;if((f[D+(A<<2)>>2]|0)==(f[D+(C<<2)>>2]|0)){E=t+1|0;if(z)F=-1;else F=((E>>>0)%3|0|0)==0?t+-2|0:E;do if(!B)if(!((y>>>0)%3|0)){G=y+2|0;break}else{G=y+-1|0;break}else G=-1;while(0);if((F|0)==-1)H=-1;else H=f[(f[o>>2]|0)+(((F|0)/3|0)*12|0)+(((F|0)%3|0)<<2)>>2]|0;if((G|0)==-1)I=-1;else I=f[(f[o>>2]|0)+(((G|0)/3|0)*12|0)+(((G|0)%3|0)<<2)>>2]|0;if((f[D+(H<<2)>>2]|0)==(f[D+(I<<2)>>2]|0))break}}else{if(z)J=-1;else J=f[(f[o>>2]|0)+(((t|0)/3|0)*12|0)+(((t|0)%3|0)<<2)>>2]|0;B=(y|0)==-1;if(B)K=-1;else K=f[(f[o>>2]|0)+(((y|0)/3|0)*12|0)+(((y|0)%3|0)<<2)>>2]|0;if((J|0)==(K|0)){E=t+1|0;if(z)L=-1;else L=((E>>>0)%3|0|0)==0?t+-2|0:E;do if(!B)if(!((y>>>0)%3|0)){M=y+2|0;break}else{M=y+-1|0;break}else M=-1;while(0);if((L|0)==-1)N=-1;else N=f[(f[o>>2]|0)+(((L|0)/3|0)*12|0)+(((L|0)%3|0)<<2)>>2]|0;if((M|0)==-1)O=-1;else O=f[(f[o>>2]|0)+(((M|0)/3|0)*12|0)+(((M|0)%3|0)<<2)>>2]|0;if((N|0)==(O|0))break}}b[p>>0]=0;y=f[a>>2]|0;B=y+(q>>>5<<2)|0;f[B>>2]=f[B>>2]|1<<(q&31);B=y+(s>>>5<<2)|0;f[B>>2]=f[B>>2]|1<<(s&31);B=((v>>>0)%3|0|0)==0?q+-2|0:v;if((B|0)==-1)P=-1;else P=f[(f[r>>2]|0)+(B<<2)>>2]|0;B=(f[k>>2]|0)+(P>>>5<<2)|0;f[B>>2]=f[B>>2]|1<<(P&31);B=(((q>>>0)%3|0|0)==0?2:-1)+q|0;if((B|0)==-1)Q=-1;else Q=f[(f[r>>2]|0)+(B<<2)>>2]|0;B=(f[k>>2]|0)+(Q>>>5<<2)|0;f[B>>2]=f[B>>2]|1<<(Q&31);B=s+1|0;y=((B>>>0)%3|0|0)==0?s+-2|0:B;if((y|0)==-1)R=-1;else R=f[(f[r>>2]|0)+(y<<2)>>2]|0;y=(f[k>>2]|0)+(R>>>5<<2)|0;f[y>>2]=f[y>>2]|1<<(R&31);y=(((s>>>0)%3|0|0)==0?2:-1)+s|0;if((y|0)==-1)S=-1;else S=f[(f[r>>2]|0)+(y<<2)>>2]|0;y=(f[k>>2]|0)+(S>>>5<<2)|0;f[y>>2]=f[y>>2]|1<<(S&31)}}while(0);q=q+1|0}while(q>>>0<(f[r+4>>2]|0)-(f[r>>2]|0)>>2>>>0)}if((c|0)!=0&(e|0)!=0){Qc(a,c,e);j=1;u=g;return j|0}else{md(a,0,0);j=1;u=g;return j|0}return 0}function Hc(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0;d=u;u=u+32|0;e=d+12|0;g=d+8|0;h=d+4|0;i=d;j=a+8|0;a:do if(f[j>>2]|0?(k=f[a>>2]|0,l=a+4|0,f[a>>2]=l,f[(f[l>>2]|0)+8>>2]=0,f[l>>2]=0,f[j>>2]=0,m=f[k+4>>2]|0,n=(m|0)==0?k:m,n|0):0){m=a+4|0;k=n;n=f[b>>2]|0;while(1){if((n|0)==(f[c>>2]|0))break;o=k+16|0;f[o>>2]=f[n+16>>2];if((k|0)!=(n|0)){f[h>>2]=f[n+20>>2];f[i>>2]=n+24;f[g>>2]=f[h>>2];f[e>>2]=f[i>>2];Oc(k+20|0,g,e)}p=k+8|0;q=f[p>>2]|0;do if(q){r=f[q>>2]|0;if((r|0)==(k|0)){f[q>>2]=0;s=f[q+4>>2]|0;if(!s){t=q;break}else v=s;while(1){s=f[v>>2]|0;if(s|0){v=s;continue}s=f[v+4>>2]|0;if(!s)break;else v=s}t=v;break}else{f[q+4>>2]=0;if(!r){t=q;break}else w=r;while(1){s=f[w>>2]|0;if(s|0){w=s;continue}s=f[w+4>>2]|0;if(!s)break;else w=s}t=w;break}}else t=0;while(0);q=f[l>>2]|0;do if(q){r=f[o>>2]|0;s=q;while(1){if((r|0)<(f[s+16>>2]|0)){x=f[s>>2]|0;if(!x){y=22;break}else z=x}else{A=s+4|0;x=f[A>>2]|0;if(!x){y=25;break}else z=x}s=z}if((y|0)==22){y=0;B=s;C=s;break}else if((y|0)==25){y=0;B=s;C=A;break}}else{B=l;C=l}while(0);f[k>>2]=0;f[k+4>>2]=0;f[p>>2]=B;f[C>>2]=k;q=f[f[a>>2]>>2]|0;if(!q)D=k;else{f[a>>2]=q;D=f[C>>2]|0}Oe(f[m>>2]|0,D);f[j>>2]=(f[j>>2]|0)+1;q=f[n+4>>2]|0;if(!q){o=n+8|0;r=f[o>>2]|0;if((f[r>>2]|0)==(n|0))E=r;else{r=o;do{o=f[r>>2]|0;r=o+8|0;x=f[r>>2]|0}while((f[x>>2]|0)!=(o|0));E=x}}else{r=q;while(1){p=f[r>>2]|0;if(!p)break;else r=p}E=r}f[b>>2]=E;if(!t)break a;else{k=t;n=E}}n=f[k+8>>2]|0;if(!n)F=k;else{m=n;while(1){n=f[m+8>>2]|0;if(!n)break;else m=n}F=m}Oj(a,F)}while(0);F=f[b>>2]|0;E=f[c>>2]|0;if((F|0)==(E|0)){u=d;return}c=a+4|0;t=a+4|0;D=F;while(1){Kg(e,a,D+16|0);F=f[c>>2]|0;do if(F){C=f[e>>2]|0;B=f[C+16>>2]|0;A=F;while(1){if((B|0)<(f[A+16>>2]|0)){z=f[A>>2]|0;if(!z){y=43;break}else G=z}else{H=A+4|0;z=f[H>>2]|0;if(!z){y=46;break}else G=z}A=G}if((y|0)==43){y=0;I=A;J=A;K=C;break}else if((y|0)==46){y=0;I=A;J=H;K=C;break}}else{I=c;J=c;K=f[e>>2]|0}while(0);f[K>>2]=0;f[K+4>>2]=0;f[K+8>>2]=I;f[J>>2]=K;F=f[f[a>>2]>>2]|0;if(!F)L=K;else{f[a>>2]=F;L=f[J>>2]|0}Oe(f[t>>2]|0,L);f[j>>2]=(f[j>>2]|0)+1;F=f[D+4>>2]|0;if(!F){m=D+8|0;B=f[m>>2]|0;if((f[B>>2]|0)==(D|0))M=B;else{B=m;do{m=f[B>>2]|0;B=m+8|0;r=f[B>>2]|0}while((f[r>>2]|0)!=(m|0));M=r}}else{B=F;while(1){r=f[B>>2]|0;if(!r)break;else B=r}M=B}f[b>>2]=M;if((M|0)==(E|0))break;else D=M}u=d;return}function Ic(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0;g=u;u=u+32|0;d=g+16|0;h=g+8|0;i=g;j=f[a+28>>2]|0;k=f[a+32>>2]|0;l=e>>>0>1073741823?-1:e<<2;m=Lq(l)|0;sj(m|0,0,l|0)|0;n=Lq(l)|0;sj(n|0,0,l|0)|0;l=a+36|0;o=f[l>>2]|0;p=f[o+4>>2]|0;q=f[o>>2]|0;r=p-q|0;a:do if((r|0)>4){s=r>>2;t=(e|0)>0;v=a+8|0;w=h+4|0;x=i+4|0;y=d+4|0;z=m+4|0;A=h+4|0;B=i+4|0;C=d+4|0;D=j+12|0;E=e<<2;F=s+-1|0;if(p-q>>2>>>0>F>>>0){G=s;H=F;I=q}else{J=o;aq(J)}while(1){F=f[I+(H<<2)>>2]|0;if(t)sj(m|0,0,E|0)|0;if((F|0)!=-1){s=f[D>>2]|0;K=0;L=F;while(1){M=f[s+(L<<2)>>2]|0;if((M|0)!=-1){N=f[j>>2]|0;O=f[k>>2]|0;P=f[O+(f[N+(M<<2)>>2]<<2)>>2]|0;Q=M+1|0;R=((Q>>>0)%3|0|0)==0?M+-2|0:Q;if((R|0)==-1)S=-1;else S=f[N+(R<<2)>>2]|0;R=f[O+(S<<2)>>2]|0;Q=(((M>>>0)%3|0|0)==0?2:-1)+M|0;if((Q|0)==-1)T=-1;else T=f[N+(Q<<2)>>2]|0;Q=f[O+(T<<2)>>2]|0;if((P|0)<(H|0)&(R|0)<(H|0)&(Q|0)<(H|0)){O=X(P,e)|0;P=X(R,e)|0;R=X(Q,e)|0;if(t){Q=0;do{f[n+(Q<<2)>>2]=(f[b+(Q+R<<2)>>2]|0)+(f[b+(Q+P<<2)>>2]|0)-(f[b+(Q+O<<2)>>2]|0);Q=Q+1|0}while((Q|0)!=(e|0));if(t){Q=0;do{O=m+(Q<<2)|0;f[O>>2]=(f[O>>2]|0)+(f[n+(Q<<2)>>2]|0);Q=Q+1|0}while((Q|0)!=(e|0))}}U=K+1|0}else U=K}else U=K;Q=(((L>>>0)%3|0|0)==0?2:-1)+L|0;do if((Q|0)!=-1?(O=f[s+(Q<<2)>>2]|0,(O|0)!=-1):0)if(!((O>>>0)%3|0)){V=O+2|0;break}else{V=O+-1|0;break}else V=-1;while(0);L=(V|0)==(F|0)?-1:V;if((L|0)==-1)break;else K=U}K=X(H,e)|0;if(!U){W=K;Y=30}else{if(t){L=0;do{F=m+(L<<2)|0;f[F>>2]=(f[F>>2]|0)/(U|0)|0;L=L+1|0}while((L|0)!=(e|0))}L=b+(K<<2)|0;F=c+(K<<2)|0;s=f[L+4>>2]|0;Q=f[m>>2]|0;O=f[z>>2]|0;f[h>>2]=f[L>>2];f[A>>2]=s;f[i>>2]=Q;f[B>>2]=O;Od(d,v,h,i);f[F>>2]=f[d>>2];f[F+4>>2]=f[C>>2]}}else{W=X(H,e)|0;Y=30}if((Y|0)==30){Y=0;F=b+(W<<2)|0;O=b+((X(G+-2|0,e)|0)<<2)|0;Q=c+(W<<2)|0;s=f[F+4>>2]|0;L=f[O>>2]|0;P=f[O+4>>2]|0;f[h>>2]=f[F>>2];f[w>>2]=s;f[i>>2]=L;f[x>>2]=P;Od(d,v,h,i);f[Q>>2]=f[d>>2];f[Q+4>>2]=f[y>>2]}if((G|0)<=2)break a;Q=f[l>>2]|0;I=f[Q>>2]|0;P=H+-1|0;if((f[Q+4>>2]|0)-I>>2>>>0<=P>>>0){J=Q;break}else{Q=H;H=P;G=Q}}aq(J)}while(0);if((e|0)<=0){Z=a+8|0;_=b+4|0;$=f[b>>2]|0;aa=f[_>>2]|0;ba=m+4|0;ca=f[m>>2]|0;da=f[ba>>2]|0;f[h>>2]=$;ea=h+4|0;f[ea>>2]=aa;f[i>>2]=ca;fa=i+4|0;f[fa>>2]=da;Od(d,Z,h,i);ga=f[d>>2]|0;f[c>>2]=ga;ha=d+4|0;ia=f[ha>>2]|0;ja=c+4|0;f[ja>>2]=ia;Mq(n);Mq(m);u=g;return 1}sj(m|0,0,e<<2|0)|0;Z=a+8|0;_=b+4|0;$=f[b>>2]|0;aa=f[_>>2]|0;ba=m+4|0;ca=f[m>>2]|0;da=f[ba>>2]|0;f[h>>2]=$;ea=h+4|0;f[ea>>2]=aa;f[i>>2]=ca;fa=i+4|0;f[fa>>2]=da;Od(d,Z,h,i);ga=f[d>>2]|0;f[c>>2]=ga;ha=d+4|0;ia=f[ha>>2]|0;ja=c+4|0;f[ja>>2]=ia;Mq(n);Mq(m);u=g;return 1}function Jc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0;g=a+8|0;Mh(g,b,d,e);d=e>>>0>1073741823?-1:e<<2;h=Lq(d)|0;sj(h|0,0,d|0)|0;d=f[a+48>>2]|0;i=f[a+56>>2]|0;j=f[i>>2]|0;k=(f[i+4>>2]|0)-j|0;l=k>>2;a:do if((k|0)>4){m=f[a+52>>2]|0;n=a+16|0;o=a+32|0;p=a+12|0;q=a+28|0;r=a+20|0;s=a+24|0;t=d+12|0;u=(e|0)>0;v=j;w=l;while(1){x=w;w=w+-1|0;if(l>>>0<=w>>>0)break;y=f[v+(w<<2)>>2]|0;z=X(w,e)|0;if((y|0)!=-1?(A=f[(f[t>>2]|0)+(y<<2)>>2]|0,(A|0)!=-1):0){y=f[d>>2]|0;B=f[m>>2]|0;C=f[B+(f[y+(A<<2)>>2]<<2)>>2]|0;D=A+1|0;E=((D>>>0)%3|0|0)==0?A+-2|0:D;if((E|0)==-1)F=-1;else F=f[y+(E<<2)>>2]|0;E=f[B+(F<<2)>>2]|0;D=(((A>>>0)%3|0|0)==0?2:-1)+A|0;if((D|0)==-1)G=-1;else G=f[y+(D<<2)>>2]|0;D=f[B+(G<<2)>>2]|0;if((C|0)<(w|0)&(E|0)<(w|0)&(D|0)<(w|0)){B=X(C,e)|0;C=X(E,e)|0;E=X(D,e)|0;if(u){D=0;do{f[h+(D<<2)>>2]=(f[b+(D+E<<2)>>2]|0)+(f[b+(D+C<<2)>>2]|0)-(f[b+(D+B<<2)>>2]|0);D=D+1|0}while((D|0)!=(e|0))}D=b+(z<<2)|0;B=c+(z<<2)|0;C=f[g>>2]|0;if((C|0)>0){E=0;y=h;A=C;while(1){if((A|0)>0){C=0;do{H=f[y+(C<<2)>>2]|0;I=f[n>>2]|0;if((H|0)>(I|0)){J=f[o>>2]|0;f[J+(C<<2)>>2]=I;K=J}else{J=f[p>>2]|0;I=f[o>>2]|0;f[I+(C<<2)>>2]=(H|0)<(J|0)?J:H;K=I}C=C+1|0}while((C|0)<(f[g>>2]|0));L=K}else L=f[o>>2]|0;C=(f[D+(E<<2)>>2]|0)-(f[L+(E<<2)>>2]|0)|0;I=B+(E<<2)|0;f[I>>2]=C;if((C|0)>=(f[q>>2]|0)){if((C|0)>(f[s>>2]|0)){M=C-(f[r>>2]|0)|0;N=42}}else{M=(f[r>>2]|0)+C|0;N=42}if((N|0)==42){N=0;f[I>>2]=M}E=E+1|0;A=f[g>>2]|0;if((E|0)>=(A|0))break;else y=L}}}else N=16}else N=16;if((N|0)==16?(N=0,y=b+(z<<2)|0,A=c+(z<<2)|0,E=f[g>>2]|0,(E|0)>0):0){B=0;D=b+((X(x+-2|0,e)|0)<<2)|0;I=E;while(1){if((I|0)>0){E=0;do{C=f[D+(E<<2)>>2]|0;H=f[n>>2]|0;if((C|0)>(H|0)){J=f[o>>2]|0;f[J+(E<<2)>>2]=H;O=J}else{J=f[p>>2]|0;H=f[o>>2]|0;f[H+(E<<2)>>2]=(C|0)<(J|0)?J:C;O=H}E=E+1|0}while((E|0)<(f[g>>2]|0));P=O}else P=f[o>>2]|0;E=(f[y+(B<<2)>>2]|0)-(f[P+(B<<2)>>2]|0)|0;H=A+(B<<2)|0;f[H>>2]=E;if((E|0)>=(f[q>>2]|0)){if((E|0)>(f[s>>2]|0)){Q=E-(f[r>>2]|0)|0;N=29}}else{Q=(f[r>>2]|0)+E|0;N=29}if((N|0)==29){N=0;f[H>>2]=Q}B=B+1|0;I=f[g>>2]|0;if((B|0)>=(I|0))break;else D=P}}if((x|0)<=2)break a}aq(i)}while(0);if((e|0)>0)sj(h|0,0,e<<2|0)|0;e=f[g>>2]|0;if((e|0)<=0){Mq(h);return 1}i=a+16|0;P=a+32|0;Q=a+12|0;O=a+28|0;L=a+20|0;M=a+24|0;a=0;K=h;G=e;while(1){if((G|0)>0){e=0;do{F=f[K+(e<<2)>>2]|0;d=f[i>>2]|0;if((F|0)>(d|0)){l=f[P>>2]|0;f[l+(e<<2)>>2]=d;R=l}else{l=f[Q>>2]|0;d=f[P>>2]|0;f[d+(e<<2)>>2]=(F|0)<(l|0)?l:F;R=d}e=e+1|0}while((e|0)<(f[g>>2]|0));S=R}else S=f[P>>2]|0;e=(f[b+(a<<2)>>2]|0)-(f[S+(a<<2)>>2]|0)|0;d=c+(a<<2)|0;f[d>>2]=e;if((e|0)>=(f[O>>2]|0)){if((e|0)>(f[M>>2]|0)){T=e-(f[L>>2]|0)|0;N=56}}else{T=(f[L>>2]|0)+e|0;N=56}if((N|0)==56){N=0;f[d>>2]=T}a=a+1|0;G=f[g>>2]|0;if((a|0)>=(G|0))break;else K=S}Mq(h);return 1}function Kc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0;g=u;u=u+32|0;d=g+16|0;h=g+8|0;i=g;j=f[a+28>>2]|0;k=f[a+32>>2]|0;l=e>>>0>1073741823?-1:e<<2;m=Lq(l)|0;sj(m|0,0,l|0)|0;n=Lq(l)|0;sj(n|0,0,l|0)|0;l=a+36|0;o=f[l>>2]|0;p=f[o+4>>2]|0;q=f[o>>2]|0;r=p-q|0;a:do if((r|0)>4){s=r>>2;t=(e|0)>0;v=a+8|0;w=h+4|0;x=i+4|0;y=d+4|0;z=m+4|0;A=h+4|0;B=i+4|0;C=d+4|0;D=j+64|0;E=j+28|0;F=e<<2;G=s+-1|0;if(p-q>>2>>>0>G>>>0){H=s;I=G;J=q}else{K=o;aq(K)}while(1){G=f[J+(I<<2)>>2]|0;if(t)sj(m|0,0,F|0)|0;if((G|0)!=-1){s=f[j>>2]|0;L=0;M=G;while(1){if(((f[s+(M>>>5<<2)>>2]&1<<(M&31)|0)==0?(N=f[(f[(f[D>>2]|0)+12>>2]|0)+(M<<2)>>2]|0,(N|0)!=-1):0)?(O=f[E>>2]|0,P=f[k>>2]|0,Q=f[P+(f[O+(N<<2)>>2]<<2)>>2]|0,R=N+1|0,S=f[P+(f[O+((((R>>>0)%3|0|0)==0?N+-2|0:R)<<2)>>2]<<2)>>2]|0,R=f[P+(f[O+((((N>>>0)%3|0|0)==0?2:-1)+N<<2)>>2]<<2)>>2]|0,(Q|0)<(I|0)&(S|0)<(I|0)&(R|0)<(I|0)):0){N=X(Q,e)|0;Q=X(S,e)|0;S=X(R,e)|0;if(t){R=0;do{f[n+(R<<2)>>2]=(f[b+(R+S<<2)>>2]|0)+(f[b+(R+Q<<2)>>2]|0)-(f[b+(R+N<<2)>>2]|0);R=R+1|0}while((R|0)!=(e|0));if(t){R=0;do{N=m+(R<<2)|0;f[N>>2]=(f[N>>2]|0)+(f[n+(R<<2)>>2]|0);R=R+1|0}while((R|0)!=(e|0))}}T=L+1|0}else T=L;R=(((M>>>0)%3|0|0)==0?2:-1)+M|0;do if(((R|0)!=-1?(f[s+(R>>>5<<2)>>2]&1<<(R&31)|0)==0:0)?(N=f[(f[(f[D>>2]|0)+12>>2]|0)+(R<<2)>>2]|0,(N|0)!=-1):0)if(!((N>>>0)%3|0)){U=N+2|0;break}else{U=N+-1|0;break}else U=-1;while(0);M=(U|0)==(G|0)?-1:U;if((M|0)==-1)break;else L=T}L=X(I,e)|0;if(!T){V=L;W=28}else{if(t){M=0;do{G=m+(M<<2)|0;f[G>>2]=(f[G>>2]|0)/(T|0)|0;M=M+1|0}while((M|0)!=(e|0))}M=b+(L<<2)|0;G=c+(L<<2)|0;s=f[M+4>>2]|0;R=f[m>>2]|0;N=f[z>>2]|0;f[h>>2]=f[M>>2];f[A>>2]=s;f[i>>2]=R;f[B>>2]=N;Od(d,v,h,i);f[G>>2]=f[d>>2];f[G+4>>2]=f[C>>2]}}else{V=X(I,e)|0;W=28}if((W|0)==28){W=0;G=b+(V<<2)|0;N=b+((X(H+-2|0,e)|0)<<2)|0;R=c+(V<<2)|0;s=f[G+4>>2]|0;M=f[N>>2]|0;Q=f[N+4>>2]|0;f[h>>2]=f[G>>2];f[w>>2]=s;f[i>>2]=M;f[x>>2]=Q;Od(d,v,h,i);f[R>>2]=f[d>>2];f[R+4>>2]=f[y>>2]}if((H|0)<=2)break a;R=f[l>>2]|0;J=f[R>>2]|0;Q=I+-1|0;if((f[R+4>>2]|0)-J>>2>>>0<=Q>>>0){K=R;break}else{R=I;I=Q;H=R}}aq(K)}while(0);if((e|0)<=0){Y=a+8|0;Z=b+4|0;_=f[b>>2]|0;$=f[Z>>2]|0;aa=m+4|0;ba=f[m>>2]|0;ca=f[aa>>2]|0;f[h>>2]=_;da=h+4|0;f[da>>2]=$;f[i>>2]=ba;ea=i+4|0;f[ea>>2]=ca;Od(d,Y,h,i);fa=f[d>>2]|0;f[c>>2]=fa;ga=d+4|0;ha=f[ga>>2]|0;ia=c+4|0;f[ia>>2]=ha;Mq(n);Mq(m);u=g;return 1}sj(m|0,0,e<<2|0)|0;Y=a+8|0;Z=b+4|0;_=f[b>>2]|0;$=f[Z>>2]|0;aa=m+4|0;ba=f[m>>2]|0;ca=f[aa>>2]|0;f[h>>2]=_;da=h+4|0;f[da>>2]=$;f[i>>2]=ba;ea=i+4|0;f[ea>>2]=ca;Od(d,Y,h,i);fa=f[d>>2]|0;f[c>>2]=fa;ga=d+4|0;ha=f[ga>>2]|0;ia=c+4|0;f[ia>>2]=ha;Mq(n);Mq(m);u=g;return 1}function Lc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0;g=a+8|0;Mh(g,b,d,e);d=e>>>0>1073741823?-1:e<<2;h=Lq(d)|0;sj(h|0,0,d|0)|0;d=f[a+48>>2]|0;i=f[a+56>>2]|0;j=f[i>>2]|0;k=(f[i+4>>2]|0)-j|0;l=k>>2;a:do if((k|0)>4){m=f[a+52>>2]|0;n=a+16|0;o=a+32|0;p=a+12|0;q=a+28|0;r=a+20|0;s=a+24|0;t=d+64|0;u=d+28|0;v=(e|0)>0;w=j;x=l;while(1){y=x;x=x+-1|0;if(l>>>0<=x>>>0)break;z=f[w+(x<<2)>>2]|0;A=X(x,e)|0;if((((z|0)!=-1?(f[(f[d>>2]|0)+(z>>>5<<2)>>2]&1<<(z&31)|0)==0:0)?(B=f[(f[(f[t>>2]|0)+12>>2]|0)+(z<<2)>>2]|0,(B|0)!=-1):0)?(z=f[u>>2]|0,C=f[m>>2]|0,D=f[C+(f[z+(B<<2)>>2]<<2)>>2]|0,E=B+1|0,F=f[C+(f[z+((((E>>>0)%3|0|0)==0?B+-2|0:E)<<2)>>2]<<2)>>2]|0,E=f[C+(f[z+((((B>>>0)%3|0|0)==0?2:-1)+B<<2)>>2]<<2)>>2]|0,(D|0)<(x|0)&(F|0)<(x|0)&(E|0)<(x|0)):0){B=X(D,e)|0;D=X(F,e)|0;F=X(E,e)|0;if(v){E=0;do{f[h+(E<<2)>>2]=(f[b+(E+F<<2)>>2]|0)+(f[b+(E+D<<2)>>2]|0)-(f[b+(E+B<<2)>>2]|0);E=E+1|0}while((E|0)!=(e|0))}E=b+(A<<2)|0;B=c+(A<<2)|0;D=f[g>>2]|0;if((D|0)>0){F=0;z=h;C=D;while(1){if((C|0)>0){D=0;do{G=f[z+(D<<2)>>2]|0;H=f[n>>2]|0;if((G|0)>(H|0)){I=f[o>>2]|0;f[I+(D<<2)>>2]=H;J=I}else{I=f[p>>2]|0;H=f[o>>2]|0;f[H+(D<<2)>>2]=(G|0)<(I|0)?I:G;J=H}D=D+1|0}while((D|0)<(f[g>>2]|0));K=J}else K=f[o>>2]|0;D=(f[E+(F<<2)>>2]|0)-(f[K+(F<<2)>>2]|0)|0;H=B+(F<<2)|0;f[H>>2]=D;if((D|0)>=(f[q>>2]|0)){if((D|0)>(f[s>>2]|0)){L=D-(f[r>>2]|0)|0;M=39}}else{L=(f[r>>2]|0)+D|0;M=39}if((M|0)==39){M=0;f[H>>2]=L}F=F+1|0;C=f[g>>2]|0;if((F|0)>=(C|0))break;else z=K}}}else M=13;if((M|0)==13?(M=0,z=b+(A<<2)|0,C=c+(A<<2)|0,F=f[g>>2]|0,(F|0)>0):0){B=0;E=b+((X(y+-2|0,e)|0)<<2)|0;H=F;while(1){if((H|0)>0){F=0;do{D=f[E+(F<<2)>>2]|0;G=f[n>>2]|0;if((D|0)>(G|0)){I=f[o>>2]|0;f[I+(F<<2)>>2]=G;N=I}else{I=f[p>>2]|0;G=f[o>>2]|0;f[G+(F<<2)>>2]=(D|0)<(I|0)?I:D;N=G}F=F+1|0}while((F|0)<(f[g>>2]|0));O=N}else O=f[o>>2]|0;F=(f[z+(B<<2)>>2]|0)-(f[O+(B<<2)>>2]|0)|0;G=C+(B<<2)|0;f[G>>2]=F;if((F|0)>=(f[q>>2]|0)){if((F|0)>(f[s>>2]|0)){P=F-(f[r>>2]|0)|0;M=26}}else{P=(f[r>>2]|0)+F|0;M=26}if((M|0)==26){M=0;f[G>>2]=P}B=B+1|0;H=f[g>>2]|0;if((B|0)>=(H|0))break;else E=O}}if((y|0)<=2)break a}aq(i)}while(0);if((e|0)>0)sj(h|0,0,e<<2|0)|0;e=f[g>>2]|0;if((e|0)<=0){Mq(h);return 1}i=a+16|0;O=a+32|0;P=a+12|0;N=a+28|0;K=a+20|0;L=a+24|0;a=0;J=h;d=e;while(1){if((d|0)>0){e=0;do{l=f[J+(e<<2)>>2]|0;j=f[i>>2]|0;if((l|0)>(j|0)){k=f[O>>2]|0;f[k+(e<<2)>>2]=j;Q=k}else{k=f[P>>2]|0;j=f[O>>2]|0;f[j+(e<<2)>>2]=(l|0)<(k|0)?k:l;Q=j}e=e+1|0}while((e|0)<(f[g>>2]|0));R=Q}else R=f[O>>2]|0;e=(f[b+(a<<2)>>2]|0)-(f[R+(a<<2)>>2]|0)|0;j=c+(a<<2)|0;f[j>>2]=e;if((e|0)>=(f[N>>2]|0)){if((e|0)>(f[L>>2]|0)){S=e-(f[K>>2]|0)|0;M=53}}else{S=(f[K>>2]|0)+e|0;M=53}if((M|0)==53){M=0;f[j>>2]=S}a=a+1|0;d=f[g>>2]|0;if((a|0)>=(d|0))break;else J=R}Mq(h);return 1}function Mc(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0;h=u;u=u+48|0;i=h+28|0;j=h+24|0;k=h;l=h+12|0;m=h+40|0;if((c|0)<0){n=0;u=h;return n|0}if(!c){n=1;u=h;return n|0}o=(d|0)>1;p=o?d:1;f[k>>2]=0;d=k+4|0;f[d>>2]=0;f[k+8>>2]=0;gk(k,c);q=k+8|0;if(o){o=0;r=0;while(1){s=1;t=f[a+(r<<2)>>2]|0;do{v=f[a+(s+r<<2)>>2]|0;t=t>>>0>>0?v:t;s=s+1|0}while((s|0)!=(p|0));s=(_(t|0)|0)^31;v=t>>>0>o>>>0?t:o;w=(t|0)==0?1:s+1|0;f[i>>2]=w;s=f[d>>2]|0;if(s>>>0<(f[q>>2]|0)>>>0){f[s>>2]=w;f[d>>2]=s+4}else Ri(k,i);r=r+p|0;if((r|0)>=(c|0)){x=v;break}else o=v}}else{o=0;r=0;while(1){v=f[a+(o<<2)>>2]|0;s=(_(v|0)|0)^31;w=v>>>0>r>>>0?v:r;y=(v|0)==0?1:s+1|0;f[i>>2]=y;s=f[d>>2]|0;if(s>>>0<(f[q>>2]|0)>>>0){f[s>>2]=y;f[d>>2]=s+4}else Ri(k,i);o=o+p|0;if((o|0)>=(c|0)){x=w;break}else r=w}}f[l>>2]=0;r=l+4|0;f[r>>2]=0;f[l+8>>2]=0;o=f[k>>2]|0;q=(f[d>>2]|0)-o|0;w=q>>2;if(w){if(w>>>0>1073741823)aq(l);s=ln(q)|0;f[r>>2]=s;f[l>>2]=s;f[l+8>>2]=s+(w<<2);w=s;if((q|0)>0){y=s+(q>>>2<<2)|0;kh(s|0,o|0,q|0)|0;f[r>>2]=y;q=y-w>>2;if((y|0)==(s|0)){z=q;A=s;B=0;C=0}else{y=0;o=0;v=0;while(1){D=Vn(o|0,v|0,f[s+(y<<2)>>2]|0,0)|0;E=I;y=y+1|0;if(y>>>0>=q>>>0){z=q;A=s;B=D;C=E;break}else{o=D;v=E}}}}else{F=w;G=18}}else{F=0;G=18}if((G|0)==18){z=0;A=F;B=0;C=0}F=Jg(A,z,32,i)|0;z=I;A=f[i>>2]<<3;w=Tn(A|0,((A|0)<0)<<31>>31|0,1)|0;A=I;v=un(B|0,C|0,p|0,0)|0;C=Vn(F|0,z|0,v|0,I|0)|0;v=Vn(C|0,I|0,w|0,A|0)|0;A=I;w=f[l>>2]|0;if(w|0){l=f[r>>2]|0;if((l|0)!=(w|0))f[r>>2]=l+(~((l+-4-w|0)>>>2)<<2);Oq(w)}w=Jg(a,c,x,i)|0;l=f[i>>2]|0;r=((x-l|0)/64|0)+l<<3;C=l<<3;z=Vn(w|0,I|0,C|0,((C|0)<0)<<31>>31|0)|0;C=Vn(z|0,I|0,r|0,((r|0)<0)<<31>>31|0)|0;r=I;z=(_((x>>>0>1?x:1)|0)|0)^30;if(e){f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;w=ln(32)|0;f[i>>2]=w;f[i+8>>2]=-2147483616;f[i+4>>2]=22;F=w;B=15964;o=F+22|0;do{b[F>>0]=b[B>>0]|0;F=F+1|0;B=B+1|0}while((F|0)<(o|0));b[w+22>>0]=0;w=(Jh(e,i)|0)==0;if((b[i+11>>0]|0)<0)Oq(f[i>>2]|0);if(!w){f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;w=ln(32)|0;f[i>>2]=w;f[i+8>>2]=-2147483616;f[i+4>>2]=22;F=w;B=15964;o=F+22|0;do{b[F>>0]=b[B>>0]|0;F=F+1|0;B=B+1|0}while((F|0)<(o|0));b[w+22>>0]=0;w=Mk(e,i)|0;if((b[i+11>>0]|0)<0)Oq(f[i>>2]|0);H=w}else G=32}else G=32;if((G|0)==32)H=z>>>0<18&((A|0)>(r|0)|(A|0)==(r|0)&v>>>0>=C>>>0)&1;b[m>>0]=H;C=g+16|0;v=f[C+4>>2]|0;if(!((v|0)>0|(v|0)==0&(f[C>>2]|0)>>>0>0)){f[j>>2]=f[g+4>>2];f[i>>2]=f[j>>2];Me(g,i,m,m+1|0)|0}switch(H|0){case 0:{J=td(a,c,p,k,g)|0;break}case 1:{J=Tc(a,c,x,l,e,g)|0;break}default:J=0}g=f[k>>2]|0;if(g|0){k=f[d>>2]|0;if((k|0)!=(g|0))f[d>>2]=k+(~((k+-4-g|0)>>>2)<<2);Oq(g)}n=J;u=h;return n|0}function Nc(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;if((b|0)<0)return;c=a+12|0;d=f[c>>2]|0;e=f[a+8>>2]|0;g=e;h=d;if(d-e>>2>>>0<=b>>>0)return;e=g+(b<<2)|0;d=f[(f[e>>2]|0)+56>>2]|0;i=f[(f[g+(b<<2)>>2]|0)+60>>2]|0;g=e+4|0;if((g|0)!=(h|0)){j=g;g=e;do{k=f[j>>2]|0;f[j>>2]=0;l=f[g>>2]|0;f[g>>2]=k;if(l|0){k=l+88|0;m=f[k>>2]|0;f[k>>2]=0;if(m|0){k=f[m+8>>2]|0;if(k|0){n=m+12|0;if((f[n>>2]|0)!=(k|0))f[n>>2]=k;Oq(k)}Oq(m)}m=f[l+68>>2]|0;if(m|0){k=l+72|0;n=f[k>>2]|0;if((n|0)!=(m|0))f[k>>2]=n+(~((n+-4-m|0)>>>2)<<2);Oq(m)}m=l+64|0;n=f[m>>2]|0;f[m>>2]=0;if(n|0){m=f[n>>2]|0;if(m|0){k=n+4|0;if((f[k>>2]|0)!=(m|0))f[k>>2]=m;Oq(m)}Oq(n)}Oq(l)}j=j+4|0;g=g+4|0}while((j|0)!=(h|0));j=f[c>>2]|0;if((j|0)!=(g|0)){o=g;p=j;q=24}}else{o=e;p=h;q=24}if((q|0)==24){q=p;do{p=q+-4|0;f[c>>2]=p;h=f[p>>2]|0;f[p>>2]=0;if(h|0){p=h+88|0;e=f[p>>2]|0;f[p>>2]=0;if(e|0){p=f[e+8>>2]|0;if(p|0){j=e+12|0;if((f[j>>2]|0)!=(p|0))f[j>>2]=p;Oq(p)}Oq(e)}e=f[h+68>>2]|0;if(e|0){p=h+72|0;j=f[p>>2]|0;if((j|0)!=(e|0))f[p>>2]=j+(~((j+-4-e|0)>>>2)<<2);Oq(e)}e=h+64|0;j=f[e>>2]|0;f[e>>2]=0;if(j|0){e=f[j>>2]|0;if(e|0){p=j+4|0;if((f[p>>2]|0)!=(e|0))f[p>>2]=e;Oq(e)}Oq(j)}Oq(h)}q=f[c>>2]|0}while((q|0)!=(o|0))}o=f[a+4>>2]|0;a:do if(o|0){q=o+44|0;c=f[q>>2]|0;h=f[o+40>>2]|0;while(1){if((h|0)==(c|0))break a;r=h+4|0;if((f[(f[h>>2]|0)+40>>2]|0)==(i|0))break;else h=r}if((r|0)!=(c|0)){j=r;e=h;do{p=f[j>>2]|0;f[j>>2]=0;g=f[e>>2]|0;f[e>>2]=p;if(g|0){bj(g);Oq(g)}j=j+4|0;e=e+4|0}while((j|0)!=(c|0));j=f[q>>2]|0;if((j|0)==(e|0))break;else{s=e;t=j}}else{s=h;t=c}j=t;do{g=j+-4|0;f[q>>2]=g;p=f[g>>2]|0;f[g>>2]=0;if(p|0){bj(p);Oq(p)}j=f[q>>2]|0}while((j|0)!=(s|0))}while(0);b:do if((d|0)<5){s=f[a+20+(d*12|0)>>2]|0;t=a+20+(d*12|0)+4|0;r=f[t>>2]|0;i=r;c:do if((s|0)==(r|0))u=s;else{o=s;while(1){if((f[o>>2]|0)==(b|0)){u=o;break c}o=o+4|0;if((o|0)==(r|0))break b}}while(0);if((u|0)!=(r|0)){s=u+4|0;o=i-s|0;j=o>>2;if(!j)v=r;else{im(u|0,s|0,o|0)|0;v=f[t>>2]|0}o=u+(j<<2)|0;if((v|0)!=(o|0))f[t>>2]=v+(~((v+-4-o|0)>>>2)<<2)}}while(0);v=f[a+24>>2]|0;u=f[a+20>>2]|0;d=u;if((v|0)!=(u|0)){o=v-u>>2;u=0;do{v=d+(u<<2)|0;j=f[v>>2]|0;if((j|0)>(b|0))f[v>>2]=j+-1;u=u+1|0}while(u>>>0>>0)}o=f[a+36>>2]|0;u=f[a+32>>2]|0;d=u;if((o|0)!=(u|0)){j=o-u>>2;u=0;do{o=d+(u<<2)|0;v=f[o>>2]|0;if((v|0)>(b|0))f[o>>2]=v+-1;u=u+1|0}while(u>>>0>>0)}j=f[a+48>>2]|0;u=f[a+44>>2]|0;d=u;if((j|0)!=(u|0)){v=j-u>>2;u=0;do{j=d+(u<<2)|0;o=f[j>>2]|0;if((o|0)>(b|0))f[j>>2]=o+-1;u=u+1|0}while(u>>>0>>0)}v=f[a+60>>2]|0;u=f[a+56>>2]|0;d=u;if((v|0)!=(u|0)){o=v-u>>2;u=0;do{v=d+(u<<2)|0;j=f[v>>2]|0;if((j|0)>(b|0))f[v>>2]=j+-1;u=u+1|0}while(u>>>0>>0)}o=f[a+72>>2]|0;u=f[a+68>>2]|0;a=u;if((o|0)==(u|0))return;d=o-u>>2;u=0;do{o=a+(u<<2)|0;j=f[o>>2]|0;if((j|0)>(b|0))f[o>>2]=j+-1;u=u+1|0}while(u>>>0>>0);return}function Oc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;e=a+8|0;a:do if(f[e>>2]|0?(g=f[a>>2]|0,h=a+4|0,f[a>>2]=h,f[(f[h>>2]|0)+8>>2]=0,f[h>>2]=0,f[e>>2]=0,i=f[g+4>>2]|0,j=(i|0)==0?g:i,j|0):0){i=a+4|0;g=j;j=f[c>>2]|0;while(1){if((j|0)==(f[d>>2]|0))break;k=g+16|0;am(k,j+16|0)|0;am(g+28|0,j+28|0)|0;l=g+8|0;m=f[l>>2]|0;do if(m){n=f[m>>2]|0;if((n|0)==(g|0)){f[m>>2]=0;o=f[m+4>>2]|0;if(!o){p=m;break}else q=o;while(1){o=f[q>>2]|0;if(o|0){q=o;continue}o=f[q+4>>2]|0;if(!o)break;else q=o}p=q;break}else{f[m+4>>2]=0;if(!n){p=m;break}else r=n;while(1){o=f[r>>2]|0;if(o|0){r=o;continue}o=f[r+4>>2]|0;if(!o)break;else r=o}p=r;break}}else p=0;while(0);m=f[h>>2]|0;do if(m){n=b[k+11>>0]|0;o=n<<24>>24<0;s=o?f[g+20>>2]|0:n&255;n=o?f[k>>2]|0:k;o=m;while(1){t=o+16|0;u=b[t+11>>0]|0;v=u<<24>>24<0;w=v?f[o+20>>2]|0:u&255;u=w>>>0>>0?w:s;if((u|0)!=0?(x=Vk(n,v?f[t>>2]|0:t,u)|0,(x|0)!=0):0)if((x|0)<0)y=22;else y=24;else if(s>>>0>>0)y=22;else y=24;if((y|0)==22){y=0;w=f[o>>2]|0;if(!w){y=23;break}else z=w}else if((y|0)==24){y=0;A=o+4|0;w=f[A>>2]|0;if(!w){y=26;break}else z=w}o=z}if((y|0)==23){y=0;B=o;C=o;break}else if((y|0)==26){y=0;B=A;C=o;break}}else{B=h;C=h}while(0);f[g>>2]=0;f[g+4>>2]=0;f[l>>2]=C;f[B>>2]=g;m=f[f[a>>2]>>2]|0;if(!m)D=g;else{f[a>>2]=m;D=f[B>>2]|0}Oe(f[i>>2]|0,D);f[e>>2]=(f[e>>2]|0)+1;m=f[j+4>>2]|0;if(!m){k=j+8|0;s=f[k>>2]|0;if((f[s>>2]|0)==(j|0))E=s;else{s=k;do{k=f[s>>2]|0;s=k+8|0;n=f[s>>2]|0}while((f[n>>2]|0)!=(k|0));E=n}}else{s=m;while(1){l=f[s>>2]|0;if(!l)break;else s=l}E=s}f[c>>2]=E;if(!p)break a;else{g=p;j=E}}j=f[g+8>>2]|0;if(!j)F=g;else{i=j;while(1){j=f[i+8>>2]|0;if(!j)break;else i=j}F=i}Ej(a,F)}while(0);F=f[c>>2]|0;E=f[d>>2]|0;if((F|0)==(E|0))return;else G=F;while(1){bf(a,G+16|0)|0;F=f[G+4>>2]|0;if(!F){d=G+8|0;p=f[d>>2]|0;if((f[p>>2]|0)==(G|0))H=p;else{p=d;do{d=f[p>>2]|0;p=d+8|0;e=f[p>>2]|0}while((f[e>>2]|0)!=(d|0));H=e}}else{p=F;while(1){i=f[p>>2]|0;if(!i)break;else p=i}H=p}f[c>>2]=H;if((H|0)==(E|0))break;else G=H}return}function Pc(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;b=u;u=u+32|0;c=b+4|0;d=b;e=a+16|0;g=f[e>>2]|0;if(g>>>0>112){f[e>>2]=g+-113;g=a+4|0;e=f[g>>2]|0;h=f[e>>2]|0;i=e+4|0;f[g>>2]=i;e=a+8|0;j=f[e>>2]|0;k=a+12|0;l=f[k>>2]|0;m=l;do if((j|0)==(l|0)){n=f[a>>2]|0;o=n;if(i>>>0>n>>>0){p=i;q=((p-o>>2)+1|0)/-2|0;r=i+(q<<2)|0;s=j-p|0;p=s>>2;if(!p)t=i;else{im(r|0,i|0,s|0)|0;t=f[g>>2]|0}s=r+(p<<2)|0;f[e>>2]=s;f[g>>2]=t+(q<<2);v=s;break}s=m-o>>1;o=(s|0)==0?1:s;if(o>>>0>1073741823){s=ra(8)|0;Oo(s,16035);f[s>>2]=7256;va(s|0,1112,110)}s=ln(o<<2)|0;q=s;p=s+(o>>>2<<2)|0;r=p;w=s+(o<<2)|0;if((i|0)==(j|0)){x=r;y=n}else{n=p;p=r;o=i;do{f[n>>2]=f[o>>2];n=p+4|0;p=n;o=o+4|0}while((o|0)!=(j|0));x=p;y=f[a>>2]|0}f[a>>2]=q;f[g>>2]=r;f[e>>2]=x;f[k>>2]=w;if(!y)v=x;else{Oq(y);v=f[e>>2]|0}}else v=j;while(0);f[v>>2]=h;f[e>>2]=(f[e>>2]|0)+4;u=b;return}e=a+8|0;h=f[e>>2]|0;v=a+4|0;j=h-(f[v>>2]|0)|0;y=a+12|0;x=f[y>>2]|0;k=x-(f[a>>2]|0)|0;if(j>>>0>=k>>>0){g=k>>1;k=(g|0)==0?1:g;f[c+12>>2]=0;f[c+16>>2]=a+12;if(k>>>0>1073741823){g=ra(8)|0;Oo(g,16035);f[g>>2]=7256;va(g|0,1112,110)}g=ln(k<<2)|0;f[c>>2]=g;i=g+(j>>2<<2)|0;j=c+8|0;f[j>>2]=i;m=c+4|0;f[m>>2]=i;i=c+12|0;f[i>>2]=g+(k<<2);k=ln(4068)|0;f[d>>2]=k;Ag(c,d);d=f[e>>2]|0;while(1){z=f[v>>2]|0;if((d|0)==(z|0))break;k=d+-4|0;ug(c,k);d=k}k=z;z=f[a>>2]|0;f[a>>2]=f[c>>2];f[c>>2]=z;f[v>>2]=f[m>>2];f[m>>2]=k;m=f[e>>2]|0;f[e>>2]=f[j>>2];f[j>>2]=m;g=f[y>>2]|0;f[y>>2]=f[i>>2];f[i>>2]=g;g=m;if((d|0)!=(g|0))f[j>>2]=g+(~((g+-4-k|0)>>>2)<<2);if(z|0)Oq(z);u=b;return}if((x|0)!=(h|0)){h=ln(4068)|0;f[c>>2]=h;Ag(a,c);u=b;return}h=ln(4068)|0;f[c>>2]=h;ug(a,c);c=f[v>>2]|0;h=f[c>>2]|0;x=c+4|0;f[v>>2]=x;c=f[e>>2]|0;z=f[y>>2]|0;k=z;do if((c|0)==(z|0)){g=f[a>>2]|0;j=g;if(x>>>0>g>>>0){d=x;m=((d-j>>2)+1|0)/-2|0;i=x+(m<<2)|0;t=c-d|0;d=t>>2;if(!d)A=x;else{im(i|0,x|0,t|0)|0;A=f[v>>2]|0}t=i+(d<<2)|0;f[e>>2]=t;f[v>>2]=A+(m<<2);B=t;break}t=k-j>>1;j=(t|0)==0?1:t;if(j>>>0>1073741823){t=ra(8)|0;Oo(t,16035);f[t>>2]=7256;va(t|0,1112,110)}t=ln(j<<2)|0;m=t;d=t+(j>>>2<<2)|0;i=d;l=t+(j<<2)|0;if((x|0)==(c|0)){C=i;D=g}else{g=d;d=i;j=x;do{f[g>>2]=f[j>>2];g=d+4|0;d=g;j=j+4|0}while((j|0)!=(c|0));C=d;D=f[a>>2]|0}f[a>>2]=m;f[v>>2]=i;f[e>>2]=C;f[y>>2]=l;if(!D)B=C;else{Oq(D);B=f[e>>2]|0}}else B=c;while(0);f[B>>2]=h;f[e>>2]=(f[e>>2]|0)+4;u=b;return}function Qc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0;e=u;u=u+16|0;g=e+8|0;h=e+4|0;i=e;j=a+64|0;k=f[j>>2]|0;if((f[k+28>>2]|0)==(f[k+24>>2]|0)){u=e;return}l=c+96|0;c=a+52|0;m=d+84|0;n=d+68|0;d=a+56|0;o=a+60|0;p=a+12|0;q=a+28|0;r=a+40|0;s=a+44|0;t=a+48|0;v=0;w=0;x=k;while(1){k=f[(f[x+24>>2]|0)+(w<<2)>>2]|0;if((k|0)==-1){y=v;z=x}else{A=v+1|0;B=f[(f[l>>2]|0)+(((k|0)/3|0)*12|0)+(((k|0)%3|0)<<2)>>2]|0;if(!(b[m>>0]|0))C=f[(f[n>>2]|0)+(B<<2)>>2]|0;else C=B;f[g>>2]=C;B=f[d>>2]|0;if(B>>>0<(f[o>>2]|0)>>>0){f[B>>2]=C;f[d>>2]=B+4}else Ri(c,g);f[g>>2]=k;f[h>>2]=0;a:do if(!(f[(f[p>>2]|0)+(w>>>5<<2)>>2]&1<<(w&31)))D=k;else{B=k+1|0;E=((B>>>0)%3|0|0)==0?k+-2|0:B;if(((E|0)!=-1?(f[(f[a>>2]|0)+(E>>>5<<2)>>2]&1<<(E&31)|0)==0:0)?(B=f[(f[(f[j>>2]|0)+12>>2]|0)+(E<<2)>>2]|0,E=B+1|0,(B|0)!=-1):0){F=((E>>>0)%3|0|0)==0?B+-2|0:E;f[h>>2]=F;if((F|0)==-1){D=k;break}else G=F;while(1){f[g>>2]=G;F=G+1|0;E=((F>>>0)%3|0|0)==0?G+-2|0:F;if((E|0)==-1)break;if(f[(f[a>>2]|0)+(E>>>5<<2)>>2]&1<<(E&31)|0)break;F=f[(f[(f[j>>2]|0)+12>>2]|0)+(E<<2)>>2]|0;E=F+1|0;if((F|0)==-1)break;B=((E>>>0)%3|0|0)==0?F+-2|0:E;f[h>>2]=B;if((B|0)==-1){D=G;break a}else G=B}f[h>>2]=-1;D=G;break}f[h>>2]=-1;D=k}while(0);f[(f[q>>2]|0)+(D<<2)>>2]=v;k=f[s>>2]|0;if((k|0)==(f[t>>2]|0))Ri(r,g);else{f[k>>2]=f[g>>2];f[s>>2]=k+4}k=f[j>>2]|0;B=f[g>>2]|0;b:do if(((B|0)!=-1?(E=(((B>>>0)%3|0|0)==0?2:-1)+B|0,(E|0)!=-1):0)?(F=f[(f[k+12>>2]|0)+(E<<2)>>2]|0,(F|0)!=-1):0){E=F+(((F>>>0)%3|0|0)==0?2:-1)|0;f[h>>2]=E;if((E|0)!=-1&(E|0)!=(B|0)){F=A;H=v;I=E;while(1){E=I+1|0;J=((E>>>0)%3|0|0)==0?I+-2|0:E;do if(f[(f[a>>2]|0)+(J>>>5<<2)>>2]&1<<(J&31)){E=F+1|0;K=f[(f[l>>2]|0)+(((I|0)/3|0)*12|0)+(((I|0)%3|0)<<2)>>2]|0;if(!(b[m>>0]|0))L=f[(f[n>>2]|0)+(K<<2)>>2]|0;else L=K;f[i>>2]=L;K=f[d>>2]|0;if(K>>>0<(f[o>>2]|0)>>>0){f[K>>2]=L;f[d>>2]=K+4}else Ri(c,i);K=f[s>>2]|0;if((K|0)==(f[t>>2]|0)){Ri(r,h);M=E;N=F;break}else{f[K>>2]=f[h>>2];f[s>>2]=K+4;M=E;N=F;break}}else{M=F;N=H}while(0);f[(f[q>>2]|0)+(f[h>>2]<<2)>>2]=N;O=f[j>>2]|0;J=f[h>>2]|0;if((J|0)==-1)break;E=(((J>>>0)%3|0|0)==0?2:-1)+J|0;if((E|0)==-1)break;J=f[(f[O+12>>2]|0)+(E<<2)>>2]|0;if((J|0)==-1)break;I=J+(((J>>>0)%3|0|0)==0?2:-1)|0;f[h>>2]=I;if(!((I|0)!=-1?(I|0)!=(f[g>>2]|0):0)){P=M;Q=O;break b}else{F=M;H=N}}f[h>>2]=-1;P=M;Q=O}else{P=A;Q=k}}else R=28;while(0);if((R|0)==28){R=0;f[h>>2]=-1;P=A;Q=k}y=P;z=Q}w=w+1|0;if(w>>>0>=(f[z+28>>2]|0)-(f[z+24>>2]|0)>>2>>>0)break;else{v=y;x=z}}u=e;return}function Rc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0.0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,D=0,E=0,F=0;switch(c|0){case 0:{e=-149;g=24;i=4;break}case 1:{e=-1074;g=53;i=4;break}case 2:{e=-1074;g=53;i=4;break}default:j=0.0}a:do if((i|0)==4){c=a+4|0;k=a+100|0;do{l=f[c>>2]|0;if(l>>>0<(f[k>>2]|0)>>>0){f[c>>2]=l+1;m=h[l>>0]|0}else m=Si(a)|0}while((eq(m)|0)!=0);b:do switch(m|0){case 43:case 45:{l=1-(((m|0)==45&1)<<1)|0;n=f[c>>2]|0;if(n>>>0<(f[k>>2]|0)>>>0){f[c>>2]=n+1;o=h[n>>0]|0;p=l;break b}else{o=Si(a)|0;p=l;break b}break}default:{o=m;p=1}}while(0);l=0;n=o;while(1){if((n|32|0)!=(b[18546+l>>0]|0)){q=l;r=n;break}do if(l>>>0<7){s=f[c>>2]|0;if(s>>>0<(f[k>>2]|0)>>>0){f[c>>2]=s+1;t=h[s>>0]|0;break}else{t=Si(a)|0;break}}else t=n;while(0);s=l+1|0;if(s>>>0<8){l=s;n=t}else{q=s;r=t;break}}c:do switch(q|0){case 8:break;case 3:{i=23;break}default:{n=(d|0)!=0;if(n&q>>>0>3)if((q|0)==8)break c;else{i=23;break c}d:do if(!q){l=0;s=r;while(1){if((s|32|0)!=(b[18555+l>>0]|0)){u=l;v=s;break d}do if(l>>>0<2){w=f[c>>2]|0;if(w>>>0<(f[k>>2]|0)>>>0){f[c>>2]=w+1;x=h[w>>0]|0;break}else{x=Si(a)|0;break}}else x=s;while(0);w=l+1|0;if(w>>>0<3){l=w;s=x}else{u=w;v=x;break}}}else{u=q;v=r}while(0);switch(u|0){case 3:{s=f[c>>2]|0;if(s>>>0<(f[k>>2]|0)>>>0){f[c>>2]=s+1;y=h[s>>0]|0}else y=Si(a)|0;if((y|0)==40)z=1;else{if(!(f[k>>2]|0)){j=B;break a}f[c>>2]=(f[c>>2]|0)+-1;j=B;break a}while(1){s=f[c>>2]|0;if(s>>>0<(f[k>>2]|0)>>>0){f[c>>2]=s+1;A=h[s>>0]|0}else A=Si(a)|0;if(!((A+-48|0)>>>0<10|(A+-65|0)>>>0<26)?!((A|0)==95|(A+-97|0)>>>0<26):0)break;z=z+1|0}if((A|0)==41){j=B;break a}s=(f[k>>2]|0)==0;if(!s)f[c>>2]=(f[c>>2]|0)+-1;if(!n){l=Vq()|0;f[l>>2]=22;Ym(a,0);j=0.0;break a}if(!z){j=B;break a}else D=z;while(1){D=D+-1|0;if(!s)f[c>>2]=(f[c>>2]|0)+-1;if(!D){j=B;break a}}break}case 0:{if((v|0)==48){s=f[c>>2]|0;if(s>>>0<(f[k>>2]|0)>>>0){f[c>>2]=s+1;E=h[s>>0]|0}else E=Si(a)|0;if((E|32|0)==120){j=+Fc(a,g,e,p,d);break a}if(!(f[k>>2]|0))F=48;else{f[c>>2]=(f[c>>2]|0)+-1;F=48}}else F=v;j=+nb(a,F,g,e,p,d);break a;break}default:{if(f[k>>2]|0)f[c>>2]=(f[c>>2]|0)+-1;s=Vq()|0;f[s>>2]=22;Ym(a,0);j=0.0;break a}}}}while(0);if((i|0)==23){s=(f[k>>2]|0)==0;if(!s)f[c>>2]=(f[c>>2]|0)+-1;if((d|0)!=0&q>>>0>3){n=q;do{if(!s)f[c>>2]=(f[c>>2]|0)+-1;n=n+-1|0}while(n>>>0>3)}}j=+$($(p|0)*$(C))}while(0);return +j}function Sc(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0;g=u;u=u+16|0;h=g;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;i=ln(16)|0;f[h>>2]=i;f[h+8>>2]=-2147483632;f[h+4>>2]=15;j=i;k=14479;l=j+15|0;do{b[j>>0]=b[k>>0]|0;j=j+1|0;k=k+1|0}while((j|0)<(l|0));b[i+15>>0]=0;i=Hk(c,h,-1)|0;if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);switch(i|0){case 0:{m=ln(52)|0;j=m;l=j+52|0;do{f[j>>2]=0;j=j+4|0}while((j|0)<(l|0));Zn(m);n=4044;o=m;break}case -1:{if((mi(c)|0)==10){m=ln(52)|0;j=m;l=j+52|0;do{f[j>>2]=0;j=j+4|0}while((j|0)<(l|0));Zn(m);n=4044;o=m}else p=6;break}default:p=6}a:do if((p|0)==6){m=d+8|0;q=d+12|0;r=f[q>>2]|0;s=f[m>>2]|0;b:do if((r-s|0)>0){t=h+8|0;v=h+4|0;w=c+16|0;x=h+11|0;y=0;z=s;A=r;c:while(1){B=f[(f[z+(y<<2)>>2]|0)+28>>2]|0;switch(B|0){case 9:{p=12;break}case 6:case 5:case 4:case 2:{C=z;D=A;break}default:{if((B|2|0)!=3)break c;if((B|0)==9)p=12;else{C=z;D=A}}}if((p|0)==12){p=0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;B=ln(32)|0;f[h>>2]=B;f[t>>2]=-2147483616;f[v>>2]=17;j=B;k=14495;l=j+17|0;do{b[j>>0]=b[k>>0]|0;j=j+1|0;k=k+1|0}while((j|0)<(l|0));b[B+17>>0]=0;E=f[w>>2]|0;if(E){F=w;G=E;d:while(1){E=G;while(1){if((f[E+16>>2]|0)>=0)break;H=f[E+4>>2]|0;if(!H){I=F;break d}else E=H}G=f[E>>2]|0;if(!G){I=E;break}else F=E}if(((I|0)!=(w|0)?(f[I+16>>2]|0)<=0:0)?(F=I+20|0,(Jh(F,h)|0)!=0):0)J=Hk(F,h,-1)|0;else p=21}else p=21;if((p|0)==21){p=0;J=Hk(c,h,-1)|0}if((b[x>>0]|0)<0)Oq(f[h>>2]|0);if((J|0)<1)break;C=f[m>>2]|0;D=f[q>>2]|0}y=y+1|0;if((y|0)>=(D-C>>2|0))break b;else{z=C;A=D}}if((i|0)!=1){A=ln(52)|0;j=A;l=j+52|0;do{f[j>>2]=0;j=j+4|0}while((j|0)<(l|0));Zn(A);n=4044;o=A;break a}f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;z=ln(32)|0;f[h>>2]=z;f[h+8>>2]=-2147483616;f[h+4>>2]=24;j=z;k=14513;l=j+24|0;do{b[j>>0]=b[k>>0]|0;j=j+1|0;k=k+1|0}while((j|0)<(l|0));b[z+24>>0]=0;f[a>>2]=-1;pj(a+4|0,h);if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);u=g;return}while(0);q=ln(52)|0;j=q;l=j+52|0;do{f[j>>2]=0;j=j+4|0}while((j|0)<(l|0));Zn(q);n=3988;o=q}while(0);f[o>>2]=n;ip(o,d);Md(a,o,c,e);Va[f[(f[o>>2]|0)+4>>2]&127](o);u=g;return}function Tc(a,c,d,e,g,h){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;i=u;u=u+32|0;j=i+4|0;k=i;l=i+16|0;m=(_(e|0)|0)^31;if((e|0)>0)if(m>>>0>17){n=0;u=i;return n|0}else o=m+1|0;else o=1;do if(g){m=ln(48)|0;f[j>>2]=m;f[j+8>>2]=-2147483600;f[j+4>>2]=33;e=m;p=15987;q=e+33|0;do{b[e>>0]=b[p>>0]|0;e=e+1|0;p=p+1|0}while((e|0)<(q|0));b[m+33>>0]=0;r=(Jh(g,j)|0)==0;if((b[j+11>>0]|0)<0)Oq(f[j>>2]|0);if(!r){r=ln(48)|0;f[j>>2]=r;f[j+8>>2]=-2147483600;f[j+4>>2]=33;e=r;p=15987;q=e+33|0;do{b[e>>0]=b[p>>0]|0;e=e+1|0;p=p+1|0}while((e|0)<(q|0));b[r+33>>0]=0;p=Mk(g,j)|0;if((b[j+11>>0]|0)<0)Oq(f[j>>2]|0);if((p|0)<4){s=o+-2|0;break}if((p|0)<6){s=o+-1|0;break}if((p|0)>9){s=o+2|0;break}else{s=o+((p|0)>7&1)|0;break}}else s=o}else s=o;while(0);o=(s|0)>1?s:1;s=(o|0)<18?o:18;b[l>>0]=s;o=h+16|0;g=f[o+4>>2]|0;if(!((g|0)>0|(g|0)==0&(f[o>>2]|0)>>>0>0)){f[k>>2]=f[h+4>>2];f[j>>2]=f[k>>2];Me(h,j,l,l+1|0)|0}do switch(s&31){case 1:case 0:{n=ue(a,c,d,h)|0;u=i;return n|0}case 2:{n=te(a,c,d,h)|0;u=i;return n|0}case 3:{n=se(a,c,d,h)|0;u=i;return n|0}case 4:{n=re(a,c,d,h)|0;u=i;return n|0}case 5:{n=qe(a,c,d,h)|0;u=i;return n|0}case 6:{n=pe(a,c,d,h)|0;u=i;return n|0}case 7:{n=oe(a,c,d,h)|0;u=i;return n|0}case 8:{n=ne(a,c,d,h)|0;u=i;return n|0}case 9:{n=me(a,c,d,h)|0;u=i;return n|0}case 10:{n=le(a,c,d,h)|0;u=i;return n|0}case 11:{n=ke(a,c,d,h)|0;u=i;return n|0}case 12:{n=ie(a,c,d,h)|0;u=i;return n|0}case 13:{n=he(a,c,d,h)|0;u=i;return n|0}case 14:{n=ge(a,c,d,h)|0;u=i;return n|0}case 15:{n=fe(a,c,d,h)|0;u=i;return n|0}case 16:{n=ee(a,c,d,h)|0;u=i;return n|0}case 17:{n=de(a,c,d,h)|0;u=i;return n|0}case 18:{n=ce(a,c,d,h)|0;u=i;return n|0}default:{n=0;u=i;return n|0}}while(0);return 0}function Uc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;xb(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function Vc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;yb(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function Wc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;zb(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function Xc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Ab(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function Yc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*1048576.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==1048576){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Fb(z,A,g);a:do if((x|0)<1048576){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=1048576-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>1048576;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-1048576|0;m=x;while(1){v=1048576.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==1048576){C=p;D=1048576;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=1048576){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*9.5367431640625e-07)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function Zc(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*524288.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==524288){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Bb(z,A,g);a:do if((x|0)<524288){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=524288-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>524288;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-524288|0;m=x;while(1){v=524288.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==524288){C=p;D=524288;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=524288){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*1.9073486328125e-06)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function _c(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*262144.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==262144){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Cb(z,A,g);a:do if((x|0)<262144){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=262144-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>262144;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-262144|0;m=x;while(1){v=262144.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==262144){C=p;D=262144;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=262144){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*3.814697265625e-06)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function $c(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*65536.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==65536){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Db(z,A,g);a:do if((x|0)<65536){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=65536-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>65536;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-65536|0;m=x;while(1){v=65536.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==65536){C=p;D=65536;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=65536){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.0000152587890625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function ad(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*32768.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==32768){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Eb(z,A,g);a:do if((x|0)<32768){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=32768-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>32768;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-32768|0;m=x;while(1){v=32768.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==32768){C=p;D=32768;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=32768){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000030517578125)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function bd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*8192.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==8192){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Gb(z,A,g);a:do if((x|0)<8192){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=8192-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>8192;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-8192|0;m=x;while(1){v=8192.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==8192){C=p;D=8192;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=8192){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.0001220703125)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function cd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Hb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function dd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Ib(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function ed(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Jb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function fd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Kb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function gd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Lb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function hd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Mb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function id(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Nb(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function jd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0.0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0.0,F=0.0,G=0.0;e=u;u=u+16|0;g=e;h=e+4|0;if((c|0)>0){i=0;j=0;k=0;l=0;while(1){m=b+(j<<3)|0;n=f[m>>2]|0;o=f[m+4>>2]|0;m=Vn(n|0,o|0,k|0,l|0)|0;p=I;q=(n|0)==0&(o|0)==0?i:j;j=j+1|0;if((j|0)==(c|0)){r=q;s=p;t=m;break}else{i=q;k=m;l=p}}}else{r=0;s=0;t=0}l=r+1|0;f[a+12>>2]=l;k=a+4|0;i=f[k>>2]|0;c=f[a>>2]|0;j=i-c>>3;p=c;c=i;if(l>>>0<=j>>>0){if(l>>>0>>0?(i=p+(l<<3)|0,(i|0)!=(c|0)):0)f[k>>2]=c+(~((c+-8-i|0)>>>3)<<3)}else wh(a,l-j|0);v=+(t>>>0)+4294967296.0*+(s>>>0);s=(r|0)<0;if(!s){t=f[a>>2]|0;j=0;i=0;do{c=b+(i<<3)|0;k=f[c>>2]|0;p=f[c+4>>2]|0;c=~~((+(k>>>0)+4294967296.0*+(p>>>0))/v*4096.0+.5)>>>0;m=((k|0)!=0|(p|0)!=0)&(c|0)==0?1:c;f[t+(i<<3)>>2]=m;j=m+j|0;i=i+1|0}while((i|0)!=(l|0));if((j|0)==4096){if(s){w=0;u=e;return w|0}}else{x=j;y=12}}else{x=0;y=12}if((y|0)==12){f[h>>2]=0;j=h+4|0;f[j>>2]=0;f[h+8>>2]=0;do if(l)if(l>>>0>1073741823)aq(h);else{i=l<<2;t=ln(i)|0;f[h>>2]=t;m=t+(l<<2)|0;f[h+8>>2]=m;sj(t|0,0,i|0)|0;f[j>>2]=m;z=t;A=m;break}else{z=0;A=0}while(0);if(!s?(f[z>>2]=0,r|0):0){m=1;do{f[z+(m<<2)>>2]=m;m=m+1|0}while((m|0)!=(l|0))}f[g>>2]=a;Ob(z,A,g);a:do if((x|0)<4096){g=(f[a>>2]|0)+(f[(f[j>>2]|0)+-4>>2]<<3)|0;f[g>>2]=4096-x+(f[g>>2]|0);B=0}else{g=f[h>>2]|0;if((r|0)<=0){A=(x|0)>4096;while(1)if(!A){B=0;break a}}A=f[a>>2]|0;z=x+-4096|0;m=x;while(1){v=4096.0/+(m|0);t=r;i=z;c=m;while(1){p=A+(f[g+(t<<2)>>2]<<3)|0;k=f[p>>2]|0;if(k>>>0<2){y=28;break}q=k-~~+J(+(v*+(k>>>0)))|0;o=(q|0)==0?1:q;q=(o|0)<(k|0)?o:k+-1|0;o=(q|0)>(i|0)?i:q;f[p>>2]=k-o;k=c-o|0;p=i-o|0;if((k|0)==4096){C=p;D=4096;break}if((t|0)>1){t=t+-1|0;i=p;c=k}else{C=p;D=k;break}}if((y|0)==28){y=0;if((t|0)==(r|0)){B=1;break a}else{C=i;D=c}}if((C|0)>0){z=C;m=D}else{B=0;break}}}while(0);D=f[h>>2]|0;if(D|0){h=f[j>>2]|0;if((h|0)!=(D|0))f[j>>2]=h+(~((h+-4-D|0)>>>2)<<2);Oq(D)}if((B|0)!=0|s){w=0;u=e;return w|0}}B=f[a>>2]|0;D=0;h=0;do{f[B+(D<<3)+4>>2]=h;h=(f[B+(D<<3)>>2]|0)+h|0;D=D+1|0}while((D|0)!=(l|0));if((h|0)!=4096){w=0;u=e;return w|0}if(s)E=0.0;else{s=f[a>>2]|0;h=0;v=0.0;while(1){D=f[s+(h<<3)>>2]|0;if(!D)F=v;else{B=b+(h<<3)|0;G=+((f[B>>2]|0)>>>0)+4294967296.0*+((f[B+4>>2]|0)>>>0);F=v+ +Zg(+(D>>>0)*.000244140625)*G}h=h+1|0;if((h|0)==(l|0)){E=F;break}else v=F}}F=+W(+-E);l=+K(F)>=1.0?(F>0.0?~~+Y(+J(F/4294967296.0),4294967295.0)>>>0:~~+W((F-+(~~F>>>0))/4294967296.0)>>>0):0;h=a+16|0;f[h>>2]=~~F>>>0;f[h+4>>2]=l;w=Le(a,d)|0;u=e;return w|0}function kd(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0;g=u;u=u+32|0;d=g+16|0;h=g+8|0;i=g;j=e>>>0>1073741823?-1:e<<2;k=Lq(j)|0;sj(k|0,0,j|0)|0;j=f[a+28>>2]|0;l=a+36|0;m=f[l>>2]|0;n=f[m+4>>2]|0;o=f[m>>2]|0;p=n-o|0;a:do if((p|0)>4){q=p>>2;r=f[a+32>>2]|0;s=a+8|0;t=h+4|0;v=i+4|0;w=d+4|0;x=j+12|0;y=(e|0)>0;z=k+4|0;A=h+4|0;B=i+4|0;C=d+4|0;D=q+-1|0;if(n-o>>2>>>0>D>>>0){E=q;F=D;G=o}else{H=m;aq(H)}while(1){D=f[G+(F<<2)>>2]|0;q=X(F,e)|0;if((D|0)!=-1?(I=f[(f[x>>2]|0)+(D<<2)>>2]|0,(I|0)!=-1):0){D=f[j>>2]|0;J=f[r>>2]|0;K=f[J+(f[D+(I<<2)>>2]<<2)>>2]|0;L=I+1|0;M=((L>>>0)%3|0|0)==0?I+-2|0:L;if((M|0)==-1)N=-1;else N=f[D+(M<<2)>>2]|0;M=f[J+(N<<2)>>2]|0;L=(((I>>>0)%3|0|0)==0?2:-1)+I|0;if((L|0)==-1)O=-1;else O=f[D+(L<<2)>>2]|0;L=f[J+(O<<2)>>2]|0;if((K|0)<(F|0)&(M|0)<(F|0)&(L|0)<(F|0)){J=X(K,e)|0;K=X(M,e)|0;M=X(L,e)|0;if(y){L=0;do{f[k+(L<<2)>>2]=(f[b+(L+M<<2)>>2]|0)+(f[b+(L+K<<2)>>2]|0)-(f[b+(L+J<<2)>>2]|0);L=L+1|0}while((L|0)!=(e|0))}L=b+(q<<2)|0;J=c+(q<<2)|0;K=f[L+4>>2]|0;M=f[k>>2]|0;D=f[z>>2]|0;f[h>>2]=f[L>>2];f[A>>2]=K;f[i>>2]=M;f[B>>2]=D;Od(d,s,h,i);f[J>>2]=f[d>>2];f[J+4>>2]=f[C>>2]}else P=15}else P=15;if((P|0)==15){P=0;J=b+(q<<2)|0;D=b+((X(E+-2|0,e)|0)<<2)|0;M=c+(q<<2)|0;K=f[J+4>>2]|0;L=f[D>>2]|0;I=f[D+4>>2]|0;f[h>>2]=f[J>>2];f[t>>2]=K;f[i>>2]=L;f[v>>2]=I;Od(d,s,h,i);f[M>>2]=f[d>>2];f[M+4>>2]=f[w>>2]}if((E|0)<=2)break a;M=f[l>>2]|0;G=f[M>>2]|0;I=F+-1|0;if((f[M+4>>2]|0)-G>>2>>>0<=I>>>0){H=M;break}else{M=F;F=I;E=M}}aq(H)}while(0);if((e|0)<=0){Q=a+8|0;R=b+4|0;S=f[b>>2]|0;T=f[R>>2]|0;U=k+4|0;V=f[k>>2]|0;W=f[U>>2]|0;f[h>>2]=S;Y=h+4|0;f[Y>>2]=T;f[i>>2]=V;Z=i+4|0;f[Z>>2]=W;Od(d,Q,h,i);_=f[d>>2]|0;f[c>>2]=_;$=d+4|0;aa=f[$>>2]|0;ba=c+4|0;f[ba>>2]=aa;Mq(k);u=g;return 1}sj(k|0,0,e<<2|0)|0;Q=a+8|0;R=b+4|0;S=f[b>>2]|0;T=f[R>>2]|0;U=k+4|0;V=f[k>>2]|0;W=f[U>>2]|0;f[h>>2]=S;Y=h+4|0;f[Y>>2]=T;f[i>>2]=V;Z=i+4|0;f[Z>>2]=W;Od(d,Q,h,i);_=f[d>>2]|0;f[c>>2]=_;$=d+4|0;aa=f[$>>2]|0;ba=c+4|0;f[ba>>2]=aa;Mq(k);u=g;return 1}function ld(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0;d=u;u=u+32|0;e=d;g=d+20|0;h=d+24|0;i=d+8|0;j=f[a>>2]|0;k=j+8|0;l=j;j=f[l>>2]|0;m=f[l+4>>2]|0;l=Vn(j|0,m|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=I;n=Vn(l|0,k|0,(l|0)==0&(k|0)==0&1|0,0)|0;k=~~((+(j>>>0)+4294967296.0*+(m>>>0))/(+(n>>>0)+4294967296.0*+(I>>>0))*256.0+.5)>>>0;n=k>>>0<255?k:255;k=n+((n|0)==0&1)&255;b[h>>0]=k;n=a+12|0;m=a+16|0;j=((f[m>>2]|0)-(f[n>>2]|0)<<1)+64|0;f[i>>2]=0;l=i+4|0;f[l>>2]=0;f[i+8>>2]=0;if(!j)o=0;else{if((j|0)<0)aq(i);p=ln(j)|0;f[l>>2]=p;f[i>>2]=p;f[i+8>>2]=p+j;q=j;j=p;do{b[j>>0]=0;j=(f[l>>2]|0)+1|0;f[l>>2]=j;q=q+-1|0}while((q|0)!=0);o=f[i>>2]|0}q=a+28|0;j=(f[q>>2]|0)+-1|0;a:do if((j|0)>-1){p=a+24|0;r=j;s=4096;t=0;v=k;while(1){w=(f[p>>2]&1<>>0>>0){y=t;z=s}else{b[o+t>>0]=s;y=t+1|0;z=s>>>8}un(f[4092+(x<<3)>>2]|0,0,z|0,0)|0;A=z+(w?0:0-v&255)+(X((z+I|0)>>>(f[4092+(x<<3)+4>>2]|0),256-x|0)|0)|0;x=r+-1|0;if((x|0)<=-1){B=A;C=y;break a}r=x;s=A;t=y;v=b[h>>0]|0}}else{B=4096;C=0}while(0);y=f[m>>2]|0;if((f[n>>2]|0)==(y|0)){D=B;E=C}else{z=B;B=C;C=y;while(1){C=C+-4|0;y=f[C>>2]|0;k=31;j=z;v=B;while(1){t=b[h>>0]|0;s=(1<>>0>>0){F=v;G=j}else{b[o+v>>0]=j;F=v+1|0;G=j>>>8}un(f[4092+(r<<3)>>2]|0,0,G|0,0)|0;j=G+(s?0:0-t&255)+(X((G+I|0)>>>(f[4092+(r<<3)+4>>2]|0),256-r|0)|0)|0;if((k|0)<=0)break;else{k=k+-1|0;v=F}}if((f[n>>2]|0)==(C|0)){D=j;E=F;break}else{z=j;B=F}}}F=D+-4096|0;do if(F>>>0>=64){if(F>>>0<16384){B=o+E|0;z=D+12288|0;b[B>>0]=z;H=2;J=z>>>8;K=B+1|0;L=25;break}if(F>>>0<4194304){B=o+E|0;z=D+8384512|0;b[B>>0]=z;b[B+1>>0]=z>>>8;H=3;J=z>>>16;K=B+2|0;L=25}else M=E}else{H=1;J=F;K=o+E|0;L=25}while(0);if((L|0)==25){b[K>>0]=J;M=H+E|0}E=c+16|0;H=E;J=f[H+4>>2]|0;if(!((J|0)>0|(J|0)==0&(f[H>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];Me(c,e,h,h+1|0)|0}ci(M,c)|0;h=f[i>>2]|0;H=E;E=f[H+4>>2]|0;if(!((E|0)>0|(E|0)==0&(f[H>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];Me(c,e,h,h+M|0)|0}M=e;f[M>>2]=0;f[M+4>>2]=0;qf(a,2,e);e=f[a+12>>2]|0;M=f[m>>2]|0;if((M|0)!=(e|0))f[m>>2]=M+(~((M+-4-e|0)>>>2)<<2);f[a+24>>2]=0;f[q>>2]=0;q=f[i>>2]|0;if(!q){u=d;return}if((f[l>>2]|0)!=(q|0))f[l>>2]=q;Oq(q);u=d;return}function md(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0;c=u;u=u+16|0;b=c+8|0;d=c+4|0;e=c;g=a+64|0;h=f[g>>2]|0;if((f[h+28>>2]|0)==(f[h+24>>2]|0)){u=c;return}i=a+52|0;j=a+56|0;k=a+60|0;l=a+12|0;m=a+28|0;n=a+40|0;o=a+44|0;p=a+48|0;q=0;r=0;s=h;while(1){h=f[(f[s+24>>2]|0)+(r<<2)>>2]|0;if((h|0)==-1){t=q;v=s}else{w=q+1|0;f[b>>2]=q;x=f[j>>2]|0;if((x|0)==(f[k>>2]|0))Ri(i,b);else{f[x>>2]=q;f[j>>2]=x+4}f[d>>2]=h;f[e>>2]=0;a:do if(!(f[(f[l>>2]|0)+(r>>>5<<2)>>2]&1<<(r&31)))y=h;else{x=h+1|0;z=((x>>>0)%3|0|0)==0?h+-2|0:x;if(((z|0)!=-1?(f[(f[a>>2]|0)+(z>>>5<<2)>>2]&1<<(z&31)|0)==0:0)?(x=f[(f[(f[g>>2]|0)+12>>2]|0)+(z<<2)>>2]|0,z=x+1|0,(x|0)!=-1):0){A=((z>>>0)%3|0|0)==0?x+-2|0:z;f[e>>2]=A;if((A|0)==-1){y=h;break}else B=A;while(1){f[d>>2]=B;A=B+1|0;z=((A>>>0)%3|0|0)==0?B+-2|0:A;if((z|0)==-1)break;if(f[(f[a>>2]|0)+(z>>>5<<2)>>2]&1<<(z&31)|0)break;A=f[(f[(f[g>>2]|0)+12>>2]|0)+(z<<2)>>2]|0;z=A+1|0;if((A|0)==-1)break;x=((z>>>0)%3|0|0)==0?A+-2|0:z;f[e>>2]=x;if((x|0)==-1){y=B;break a}else B=x}f[e>>2]=-1;y=B;break}f[e>>2]=-1;y=h}while(0);f[(f[m>>2]|0)+(y<<2)>>2]=f[b>>2];h=f[o>>2]|0;if((h|0)==(f[p>>2]|0))Ri(n,d);else{f[h>>2]=f[d>>2];f[o>>2]=h+4}h=f[g>>2]|0;x=f[d>>2]|0;b:do if(((x|0)!=-1?(z=(((x>>>0)%3|0|0)==0?2:-1)+x|0,(z|0)!=-1):0)?(A=f[(f[h+12>>2]|0)+(z<<2)>>2]|0,(A|0)!=-1):0){z=A+(((A>>>0)%3|0|0)==0?2:-1)|0;f[e>>2]=z;if((z|0)!=-1&(z|0)!=(x|0)){A=w;C=z;while(1){z=C+1|0;D=((z>>>0)%3|0|0)==0?C+-2|0:z;do if(f[(f[a>>2]|0)+(D>>>5<<2)>>2]&1<<(D&31)){z=A+1|0;f[b>>2]=A;E=f[j>>2]|0;if((E|0)==(f[k>>2]|0))Ri(i,b);else{f[E>>2]=A;f[j>>2]=E+4}E=f[o>>2]|0;if((E|0)==(f[p>>2]|0)){Ri(n,e);F=z;break}else{f[E>>2]=f[e>>2];f[o>>2]=E+4;F=z;break}}else F=A;while(0);f[(f[m>>2]|0)+(f[e>>2]<<2)>>2]=f[b>>2];G=f[g>>2]|0;D=f[e>>2]|0;if((D|0)==-1)break;z=(((D>>>0)%3|0|0)==0?2:-1)+D|0;if((z|0)==-1)break;D=f[(f[G+12>>2]|0)+(z<<2)>>2]|0;if((D|0)==-1)break;C=D+(((D>>>0)%3|0|0)==0?2:-1)|0;f[e>>2]=C;if(!((C|0)!=-1?(C|0)!=(f[d>>2]|0):0)){H=F;I=G;break b}else A=F}f[e>>2]=-1;H=F;I=G}else{H=w;I=h}}else J=26;while(0);if((J|0)==26){J=0;f[e>>2]=-1;H=w;I=h}t=H;v=I}r=r+1|0;if(r>>>0>=(f[v+28>>2]|0)-(f[v+24>>2]|0)>>2>>>0)break;else{q=t;s=v}}u=c;return}function nd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;h=a+124|0;f[h>>2]=(f[h>>2]|0)+1;h=a+88|0;i=a+120|0;j=f[i>>2]|0;k=j+1|0;do if((j|0)!=-1){l=((k>>>0)%3|0|0)==0?j+-2|0:k;if(!((j>>>0)%3|0)){m=j+2|0;n=l;break}else{m=j+-1|0;n=l;break}}else{m=-1;n=-1}while(0);k=a+104|0;l=a+92|0;o=f[l>>2]|0;p=o+(n<<2)|0;q=f[k>>2]|0;r=q+(f[p>>2]<<2)|0;s=f[r>>2]|0;switch(b|0){case 1:case 0:{f[r>>2]=s+-1;r=q+(f[o+(m<<2)>>2]<<2)|0;f[r>>2]=(f[r>>2]|0)+-1;if((b|0)==1){if((m|0)!=-1?(r=f[(f[(f[h>>2]|0)+12>>2]|0)+(m<<2)>>2]|0,(r|0)!=-1):0){t=a+64|0;v=1;w=r;while(1){r=f[t>>2]|0;x=f[(f[r>>2]|0)+36>>2]|0;f[e>>2]=(w>>>0)/3|0;f[d>>2]=f[e>>2];if(Ra[x&127](r,d)|0){y=v;break}r=w+1|0;x=((r>>>0)%3|0|0)==0?w+-2|0:r;if((x|0)==-1){z=12;break}w=f[(f[(f[h>>2]|0)+12>>2]|0)+(x<<2)>>2]|0;x=v+1|0;if((w|0)==-1){y=x;break}else v=x}if((z|0)==12)y=v+1|0;A=y;B=f[k>>2]|0;C=f[l>>2]|0}else{A=1;B=q;C=o}f[B+(f[C+(f[i>>2]<<2)>>2]<<2)>>2]=A;A=a+108|0;i=f[A>>2]|0;C=i-B>>2;B=i;if((n|0)!=-1?(i=f[(f[(f[h>>2]|0)+12>>2]|0)+(n<<2)>>2]|0,(i|0)!=-1):0){n=a+64|0;y=1;v=i;while(1){i=f[n>>2]|0;w=f[(f[i>>2]|0)+36>>2]|0;f[g>>2]=(v>>>0)/3|0;f[d>>2]=f[g>>2];if(Ra[w&127](i,d)|0){D=y;break}i=v+1|0;f[(f[l>>2]|0)+((((i>>>0)%3|0|0)==0?v+-2|0:i)<<2)>>2]=C;i=(((v>>>0)%3|0|0)==0?2:-1)+v|0;if((i|0)==-1){z=20;break}v=f[(f[(f[h>>2]|0)+12>>2]|0)+(i<<2)>>2]|0;i=y+1|0;if((v|0)==-1){D=i;break}else y=i}if((z|0)==20)D=y+1|0;E=D;F=f[A>>2]|0}else{E=1;F=B}f[d>>2]=E;if(F>>>0<(f[a+112>>2]|0)>>>0){f[F>>2]=E;f[A>>2]=F+4}else Ri(k,d)}break}case 5:{k=q+(f[o+(j<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-1;k=q+(f[p>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-1;k=q+(f[o+(m<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;break}case 3:{k=q+(f[o+(j<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-1;k=q+(f[p>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;k=q+(f[o+(m<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-1;break}case 7:{k=q+(f[o+(j<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;k=q+(f[p>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;k=q+(f[o+(m<<2)>>2]<<2)|0;f[k>>2]=(f[k>>2]|0)+-2;break}default:{}}k=a+116|0;m=f[k>>2]|0;if((m|0)==-1){f[k>>2]=b;u=c;return}o=f[a+128>>2]|0;if((s|0)<(o|0))G=o;else{q=f[a+132>>2]|0;G=(s|0)>(q|0)?q:s}s=G-o|0;o=f[a+136>>2]|0;a=f[3724+(m<<2)>>2]|0;f[d>>2]=a;m=o+(s*12|0)+4|0;G=f[m>>2]|0;if(G>>>0<(f[o+(s*12|0)+8>>2]|0)>>>0){f[G>>2]=a;f[m>>2]=G+4}else Ri(o+(s*12|0)|0,d);f[k>>2]=b;u=c;return}function od(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,_=0,$=0;g=u;u=u+32|0;d=g+16|0;h=g+8|0;i=g;j=e>>>0>1073741823?-1:e<<2;k=Lq(j)|0;sj(k|0,0,j|0)|0;j=f[a+28>>2]|0;l=a+36|0;m=f[l>>2]|0;n=f[m+4>>2]|0;o=f[m>>2]|0;p=n-o|0;a:do if((p|0)>4){q=p>>2;r=f[a+32>>2]|0;s=a+8|0;t=h+4|0;v=i+4|0;w=d+4|0;x=j+64|0;y=j+28|0;z=(e|0)>0;A=k+4|0;B=h+4|0;C=i+4|0;D=d+4|0;E=q+-1|0;if(n-o>>2>>>0>E>>>0){F=q;G=E;H=o}else{I=m;aq(I)}while(1){E=f[H+(G<<2)>>2]|0;q=X(G,e)|0;if((((E|0)!=-1?(f[(f[j>>2]|0)+(E>>>5<<2)>>2]&1<<(E&31)|0)==0:0)?(J=f[(f[(f[x>>2]|0)+12>>2]|0)+(E<<2)>>2]|0,(J|0)!=-1):0)?(E=f[y>>2]|0,K=f[r>>2]|0,L=f[K+(f[E+(J<<2)>>2]<<2)>>2]|0,M=J+1|0,N=f[K+(f[E+((((M>>>0)%3|0|0)==0?J+-2|0:M)<<2)>>2]<<2)>>2]|0,M=f[K+(f[E+((((J>>>0)%3|0|0)==0?2:-1)+J<<2)>>2]<<2)>>2]|0,(L|0)<(G|0)&(N|0)<(G|0)&(M|0)<(G|0)):0){J=X(L,e)|0;L=X(N,e)|0;N=X(M,e)|0;if(z){M=0;do{f[k+(M<<2)>>2]=(f[b+(M+N<<2)>>2]|0)+(f[b+(M+L<<2)>>2]|0)-(f[b+(M+J<<2)>>2]|0);M=M+1|0}while((M|0)!=(e|0))}M=b+(q<<2)|0;J=c+(q<<2)|0;L=f[M+4>>2]|0;N=f[k>>2]|0;E=f[A>>2]|0;f[h>>2]=f[M>>2];f[B>>2]=L;f[i>>2]=N;f[C>>2]=E;Od(d,s,h,i);f[J>>2]=f[d>>2];f[J+4>>2]=f[D>>2]}else{J=b+(q<<2)|0;E=b+((X(F+-2|0,e)|0)<<2)|0;N=c+(q<<2)|0;L=f[J+4>>2]|0;M=f[E>>2]|0;K=f[E+4>>2]|0;f[h>>2]=f[J>>2];f[t>>2]=L;f[i>>2]=M;f[v>>2]=K;Od(d,s,h,i);f[N>>2]=f[d>>2];f[N+4>>2]=f[w>>2]}if((F|0)<=2)break a;N=f[l>>2]|0;H=f[N>>2]|0;K=G+-1|0;if((f[N+4>>2]|0)-H>>2>>>0<=K>>>0){I=N;break}else{N=G;G=K;F=N}}aq(I)}while(0);if((e|0)<=0){O=a+8|0;P=b+4|0;Q=f[b>>2]|0;R=f[P>>2]|0;S=k+4|0;T=f[k>>2]|0;U=f[S>>2]|0;f[h>>2]=Q;V=h+4|0;f[V>>2]=R;f[i>>2]=T;W=i+4|0;f[W>>2]=U;Od(d,O,h,i);Y=f[d>>2]|0;f[c>>2]=Y;Z=d+4|0;_=f[Z>>2]|0;$=c+4|0;f[$>>2]=_;Mq(k);u=g;return 1}sj(k|0,0,e<<2|0)|0;O=a+8|0;P=b+4|0;Q=f[b>>2]|0;R=f[P>>2]|0;S=k+4|0;T=f[k>>2]|0;U=f[S>>2]|0;f[h>>2]=Q;V=h+4|0;f[V>>2]=R;f[i>>2]=T;W=i+4|0;f[W>>2]=U;Od(d,O,h,i);Y=f[d>>2]|0;f[c>>2]=Y;Z=d+4|0;_=f[Z>>2]|0;$=c+4|0;f[$>>2]=_;Mq(k);u=g;return 1}function pd(a,b,c,d,e,g,h){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0;switch(c|0){case 1:{c=ln(60)|0;f[c>>2]=1544;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2076;i=c;f[a>>2]=i;return}case 2:{c=ln(60)|0;f[c>>2]=1544;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2132;i=c;f[a>>2]=i;return}case 4:{c=ln(168)|0;Ti(c,d,e,g);i=c;f[a>>2]=i;return}case 3:{c=ln(88)|0;f[c>>2]=1544;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2188;h=c+60|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;f[h+12>>2]=0;f[h+16>>2]=0;f[h+20>>2]=0;f[h+24>>2]=0;i=c;f[a>>2]=i;return}case 5:{c=ln(104)|0;f[c>>2]=1544;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2244;f[c+60>>2]=0;f[c+64>>2]=0;f[c+76>>2]=0;f[c+80>>2]=0;f[c+84>>2]=0;h=c+88|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];i=c;f[a>>2]=i;return}case 6:{c=ln(140)|0;f[c>>2]=1544;f[c+4>>2]=d;d=c+8|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];f[d+16>>2]=f[e+16>>2];f[d+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);e=c+44|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c>>2]=2300;f[c+64>>2]=0;f[c+68>>2]=0;e=c+72|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c+60>>2]=2356;f[c+88>>2]=1;g=c+92|0;f[g>>2]=-1;f[g+4>>2]=-1;f[g+8>>2]=-1;f[g+12>>2]=-1;wn(c+108|0);i=c;f[a>>2]=i;return}default:{i=0;f[a>>2]=i;return}}}function qd(a,b,c,d,e,g,h){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0;switch(c|0){case 1:{c=ln(60)|0;f[c>>2]=1544;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=1656;i=c;f[a>>2]=i;return}case 2:{c=ln(60)|0;f[c>>2]=1544;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=1712;i=c;f[a>>2]=i;return}case 4:{c=ln(168)|0;Ui(c,d,e,g);i=c;f[a>>2]=i;return}case 3:{c=ln(88)|0;f[c>>2]=1544;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=1768;h=c+60|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;f[h+12>>2]=0;f[h+16>>2]=0;f[h+20>>2]=0;f[h+24>>2]=0;i=c;f[a>>2]=i;return}case 5:{c=ln(104)|0;f[c>>2]=1544;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[h+16>>2]=f[e+16>>2];f[h+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);h=c+44|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=1824;f[c+60>>2]=0;f[c+64>>2]=0;f[c+76>>2]=0;f[c+80>>2]=0;f[c+84>>2]=0;h=c+88|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];i=c;f[a>>2]=i;return}case 6:{c=ln(140)|0;f[c>>2]=1544;f[c+4>>2]=d;d=c+8|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];f[d+16>>2]=f[e+16>>2];f[d+20>>2]=f[e+20>>2];fk(c+32|0,e+24|0);e=c+44|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c>>2]=1880;f[c+64>>2]=0;f[c+68>>2]=0;e=c+72|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c+60>>2]=1936;f[c+88>>2]=1;g=c+92|0;f[g>>2]=-1;f[g+4>>2]=-1;f[g+8>>2]=-1;f[g+12>>2]=-1;wn(c+108|0);i=c;f[a>>2]=i;return}default:{i=0;f[a>>2]=i;return}}}function rd(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;c=a+4|0;if(!b){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[c>>2]=0;return}if(b>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(b<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;g=f[c>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=b+-1|0;i=(h&b|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(b>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=c;c=f[g>>2]|0;if(!c)return;else{k=j;l=g;m=c;n=g}a:while(1){g=l;c=m;j=n;b:while(1){c:do if(i){e=c;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=q+2|0;v=e+12|0;w=q+6|0;x=f[e>>2]|0;d:do if(!x)y=e;else{z=d[q>>1]|0;A=e;B=x;while(1){C=B+8|0;if(z<<16>>16!=(d[C>>1]|0)){y=A;break d}if((d[u>>1]|0)!=(d[C+2>>1]|0)){y=A;break d}if((d[v>>1]|0)!=(d[B+12>>1]|0)){y=A;break d}if((d[w>>1]|0)!=(d[C+6>>1]|0)){y=A;break d}C=f[B>>2]|0;if(!C){y=B;break}else{D=B;B=C;A=D}}}while(0);f[j>>2]=f[y>>2];f[y>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){E=43;break a}}}else{e=c;while(1){w=f[e+4>>2]|0;if(w>>>0>>0)F=w;else F=(w>>>0)%(b>>>0)|0;if((F|0)==(k|0)){p=e;break c}w=(f[a>>2]|0)+(F<<2)|0;if(!(f[w>>2]|0)){r=e;s=F;t=w;break b}w=e+8|0;v=w+2|0;u=e+12|0;x=w+6|0;q=f[e>>2]|0;e:do if(!q)G=e;else{A=d[w>>1]|0;B=e;z=q;while(1){D=z+8|0;if(A<<16>>16!=(d[D>>1]|0)){G=B;break e}if((d[v>>1]|0)!=(d[D+2>>1]|0)){G=B;break e}if((d[u>>1]|0)!=(d[z+12>>1]|0)){G=B;break e}if((d[x>>1]|0)!=(d[D+6>>1]|0)){G=B;break e}D=f[z>>2]|0;if(!D){G=z;break}else{C=z;z=D;B=C}}}while(0);f[j>>2]=f[G>>2];f[G>>2]=f[f[(f[a>>2]|0)+(F<<2)>>2]>>2];f[f[(f[a>>2]|0)+(F<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){E=43;break a}}}while(0);c=f[p>>2]|0;if(!c){E=43;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){E=43;break}else{k=s;l=r;n=r}}if((E|0)==43)return}function sd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){g=l;d=m;j=n;b:while(1){c:do if(i){e=d;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=q+1|0;v=q+2|0;w=q+3|0;x=f[e>>2]|0;d:do if(!x)y=e;else{z=b[q>>0]|0;A=e;B=x;while(1){C=B+8|0;if(z<<24>>24!=(b[C>>0]|0)){y=A;break d}if((b[u>>0]|0)!=(b[C+1>>0]|0)){y=A;break d}if((b[v>>0]|0)!=(b[C+2>>0]|0)){y=A;break d}if((b[w>>0]|0)!=(b[C+3>>0]|0)){y=A;break d}C=f[B>>2]|0;if(!C){y=B;break}else{D=B;B=C;A=D}}}while(0);f[j>>2]=f[y>>2];f[y>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){E=43;break a}}}else{e=d;while(1){w=f[e+4>>2]|0;if(w>>>0>>0)F=w;else F=(w>>>0)%(c>>>0)|0;if((F|0)==(k|0)){p=e;break c}w=(f[a>>2]|0)+(F<<2)|0;if(!(f[w>>2]|0)){r=e;s=F;t=w;break b}w=e+8|0;v=w+1|0;u=w+2|0;x=w+3|0;q=f[e>>2]|0;e:do if(!q)G=e;else{A=b[w>>0]|0;B=e;z=q;while(1){D=z+8|0;if(A<<24>>24!=(b[D>>0]|0)){G=B;break e}if((b[v>>0]|0)!=(b[D+1>>0]|0)){G=B;break e}if((b[u>>0]|0)!=(b[D+2>>0]|0)){G=B;break e}if((b[x>>0]|0)!=(b[D+3>>0]|0)){G=B;break e}D=f[z>>2]|0;if(!D){G=z;break}else{C=z;z=D;B=C}}}while(0);f[j>>2]=f[G>>2];f[G>>2]=f[f[(f[a>>2]|0)+(F<<2)>>2]>>2];f[f[(f[a>>2]|0)+(F<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){E=43;break a}}}while(0);d=f[p>>2]|0;if(!d){E=43;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){E=43;break}else{k=s;l=r;n=r}}if((E|0)==43)return}function td(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0;i=u;u=u+352|0;j=i+340|0;k=i+336|0;l=i+80|0;m=i+48|0;n=i;sj(l|0,0,256)|0;o=f[e+4>>2]|0;p=f[e>>2]|0;q=p;if((o|0)!=(p|0)){r=o-p>>2;p=0;do{o=l+(f[q+(p<<2)>>2]<<3)|0;s=o;t=Vn(f[s>>2]|0,f[s+4>>2]|0,1,0)|0;s=o;f[s>>2]=t;f[s+4>>2]=I;p=p+1|0}while(p>>>0>>0)}Gn(m);r=Tn(c|0,((c|0)<0)<<31>>31|0,5)|0;p=I;q=n+40|0;s=q;f[s>>2]=0;f[s+4>>2]=0;f[n>>2]=0;f[n+4>>2]=0;f[n+8>>2]=0;f[n+12>>2]=0;f[n+16>>2]=0;f[n+20>>2]=0;fd(n,l,32,g)|0;l=n+16|0;s=Tn(f[l>>2]|0,f[l+4>>2]|0,1)|0;l=g+4|0;t=(f[l>>2]|0)-(f[g>>2]|0)|0;o=q;f[o>>2]=t;f[o+4>>2]=0;o=Vn(s|0,I|0,39,0)|0;s=Yn(o|0,I|0,3)|0;o=Vn(s|0,I|0,8,0)|0;s=Vn(o|0,I|0,t|0,0)|0;Cl(g,s,I);s=n+24|0;f[s>>2]=(f[g>>2]|0)+(f[q>>2]|0);q=n+28|0;f[q>>2]=0;t=n+32|0;f[t>>2]=16384;zi(m,r,p,0)|0;p=c-d|0;if((p|0)>-1){c=(d|0)>0;r=m+16|0;o=m+12|0;v=p;do{w=f[e>>2]|0;x=f[w+(((v|0)/(d|0)|0)<<2)>>2]|0;y=f[n>>2]|0;z=f[y+(x<<3)>>2]|0;A=f[t>>2]|0;B=z<<10;if(A>>>0>>0){C=A;D=w}else{w=A;do{A=f[s>>2]|0;E=f[q>>2]|0;f[q>>2]=E+1;b[A+E>>0]=w;w=(f[t>>2]|0)>>>8;f[t>>2]=w}while(w>>>0>=B>>>0);C=w;D=f[e>>2]|0}f[t>>2]=(((C>>>0)/(z>>>0)|0)<<12)+((C>>>0)%(z>>>0)|0)+(f[y+(x<<3)+4>>2]|0);B=p-v|0;E=f[D+(((B|0)/(d|0)|0)<<2)>>2]|0;if(c&(E|0)>0){A=0;do{F=f[a+(A+B<<2)>>2]|0;G=r;H=f[G+4>>2]|0;if((H|0)>0|(H|0)==0&(f[G>>2]|0)>>>0>0){G=f[o>>2]|0;H=G+4|0;J=0;K=f[H>>2]|0;do{L=K>>>3;M=K&7;N=(f[G>>2]|0)+L|0;b[N>>0]=(1<>0]|0);N=(f[G>>2]|0)+L|0;b[N>>0]=(F>>>J&1)<>0]|0);K=(f[H>>2]|0)+1|0;f[H>>2]=K;J=J+1|0}while((J|0)!=(E|0))}A=A+1|0}while((A|0)!=(d|0))}v=v-d|0}while((v|0)>-1)}_f(n,g);eg(m);v=f[m>>2]|0;d=m+4|0;o=g+16|0;r=f[o+4>>2]|0;if(!((r|0)>0|(r|0)==0&(f[o>>2]|0)>>>0>0)){o=(f[d>>2]|0)-v|0;f[k>>2]=f[l>>2];f[j>>2]=f[k>>2];Me(g,j,v,v+o|0)|0}o=f[n>>2]|0;if(o|0){v=n+4|0;n=f[v>>2]|0;if((n|0)!=(o|0))f[v>>2]=n+(~((n+-8-o|0)>>>3)<<3);Oq(o)}o=m+12|0;n=f[o>>2]|0;f[o>>2]=0;if(n|0)Oq(n);n=f[m>>2]|0;if(!n){u=i;return 1}if((f[d>>2]|0)!=(n|0))f[d>>2]=n;Oq(n);u=i;return 1}function ud(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;c=a+4|0;if(!b){d=f[a>>2]|0;f[a>>2]=0;if(d|0)Oq(d);f[c>>2]=0;return}if(b>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}d=ln(b<<2)|0;e=f[a>>2]|0;f[a>>2]=d;if(e|0)Oq(e);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;e=f[c>>2]|0;if(!e)return;d=f[e+4>>2]|0;g=b+-1|0;h=(g&b|0)==0;if(!h)if(d>>>0>>0)i=d;else i=(d>>>0)%(b>>>0)|0;else i=d&g;f[(f[a>>2]|0)+(i<<2)>>2]=c;c=f[e>>2]|0;if(!c)return;else{j=i;k=e;l=c;m=e}a:while(1){e=k;c=l;i=m;b:while(1){c:do if(h){d=c;while(1){n=f[d+4>>2]&g;if((n|0)==(j|0)){o=d;break c}p=(f[a>>2]|0)+(n<<2)|0;if(!(f[p>>2]|0)){q=d;r=n;s=p;break b}p=d+12|0;t=d+16|0;u=d+20|0;v=f[d>>2]|0;d:do if(!v)w=d;else{x=f[d+8>>2]|0;y=d;z=v;while(1){if((x|0)!=(f[z+8>>2]|0)){w=y;break d}if((f[p>>2]|0)!=(f[z+12>>2]|0)){w=y;break d}if((f[t>>2]|0)!=(f[z+16>>2]|0)){w=y;break d}if((f[u>>2]|0)!=(f[z+20>>2]|0)){w=y;break d}A=f[z>>2]|0;if(!A){w=z;break}else{B=z;z=A;y=B}}}while(0);f[i>>2]=f[w>>2];f[w>>2]=f[f[(f[a>>2]|0)+(n<<2)>>2]>>2];f[f[(f[a>>2]|0)+(n<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){C=43;break a}}}else{d=c;while(1){u=f[d+4>>2]|0;if(u>>>0>>0)D=u;else D=(u>>>0)%(b>>>0)|0;if((D|0)==(j|0)){o=d;break c}u=(f[a>>2]|0)+(D<<2)|0;if(!(f[u>>2]|0)){q=d;r=D;s=u;break b}u=d+12|0;t=d+16|0;p=d+20|0;v=f[d>>2]|0;e:do if(!v)E=d;else{y=f[d+8>>2]|0;z=d;x=v;while(1){if((y|0)!=(f[x+8>>2]|0)){E=z;break e}if((f[u>>2]|0)!=(f[x+12>>2]|0)){E=z;break e}if((f[t>>2]|0)!=(f[x+16>>2]|0)){E=z;break e}if((f[p>>2]|0)!=(f[x+20>>2]|0)){E=z;break e}B=f[x>>2]|0;if(!B){E=x;break}else{A=x;x=B;z=A}}}while(0);f[i>>2]=f[E>>2];f[E>>2]=f[f[(f[a>>2]|0)+(D<<2)>>2]>>2];f[f[(f[a>>2]|0)+(D<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){C=43;break a}}}while(0);c=f[o>>2]|0;if(!c){C=43;break a}else{e=o;i=o}}f[s>>2]=i;l=f[q>>2]|0;if(!l){C=43;break}else{j=r;k=q;m=q}}if((C|0)==43)return}function vd(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;c=a+4|0;if(!b){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[c>>2]=0;return}if(b>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(b<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;g=f[c>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=b+-1|0;i=(h&b|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(b>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=c;c=f[g>>2]|0;if(!c)return;else{k=j;l=g;m=c;n=g}a:while(1){g=l;c=m;j=n;b:while(1){c:do if(i){e=c;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=e+12|0;v=f[e>>2]|0;d:do if(!v)w=e;else{x=d[q>>1]|0;y=q+2|0;z=e;A=v;while(1){B=A+8|0;if(x<<16>>16!=(d[B>>1]|0)){w=z;break d}if((d[y>>1]|0)!=(d[B+2>>1]|0)){w=z;break d}if((d[u>>1]|0)!=(d[A+12>>1]|0)){w=z;break d}B=f[A>>2]|0;if(!B){w=A;break}else{C=A;A=B;z=C}}}while(0);f[j>>2]=f[w>>2];f[w>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){D=41;break a}}}else{e=c;while(1){u=f[e+4>>2]|0;if(u>>>0>>0)E=u;else E=(u>>>0)%(b>>>0)|0;if((E|0)==(k|0)){p=e;break c}u=(f[a>>2]|0)+(E<<2)|0;if(!(f[u>>2]|0)){r=e;s=E;t=u;break b}u=e+8|0;v=e+12|0;q=f[e>>2]|0;e:do if(!q)F=e;else{z=d[u>>1]|0;A=u+2|0;y=e;x=q;while(1){C=x+8|0;if(z<<16>>16!=(d[C>>1]|0)){F=y;break e}if((d[A>>1]|0)!=(d[C+2>>1]|0)){F=y;break e}if((d[v>>1]|0)!=(d[x+12>>1]|0)){F=y;break e}C=f[x>>2]|0;if(!C){F=x;break}else{B=x;x=C;y=B}}}while(0);f[j>>2]=f[F>>2];f[F>>2]=f[f[(f[a>>2]|0)+(E<<2)>>2]>>2];f[f[(f[a>>2]|0)+(E<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){D=41;break a}}}while(0);c=f[p>>2]|0;if(!c){D=41;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){D=41;break}else{k=s;l=r;n=r}}if((D|0)==41)return}function wd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){g=l;d=m;j=n;b:while(1){c:do if(i){e=d;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=q+1|0;v=q+2|0;w=f[e>>2]|0;d:do if(!w)x=e;else{y=b[q>>0]|0;z=e;A=w;while(1){B=A+8|0;if(y<<24>>24!=(b[B>>0]|0)){x=z;break d}if((b[u>>0]|0)!=(b[B+1>>0]|0)){x=z;break d}if((b[v>>0]|0)!=(b[B+2>>0]|0)){x=z;break d}B=f[A>>2]|0;if(!B){x=A;break}else{C=A;A=B;z=C}}}while(0);f[j>>2]=f[x>>2];f[x>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){D=41;break a}}}else{e=d;while(1){v=f[e+4>>2]|0;if(v>>>0>>0)E=v;else E=(v>>>0)%(c>>>0)|0;if((E|0)==(k|0)){p=e;break c}v=(f[a>>2]|0)+(E<<2)|0;if(!(f[v>>2]|0)){r=e;s=E;t=v;break b}v=e+8|0;u=v+1|0;w=v+2|0;q=f[e>>2]|0;e:do if(!q)F=e;else{z=b[v>>0]|0;A=e;y=q;while(1){C=y+8|0;if(z<<24>>24!=(b[C>>0]|0)){F=A;break e}if((b[u>>0]|0)!=(b[C+1>>0]|0)){F=A;break e}if((b[w>>0]|0)!=(b[C+2>>0]|0)){F=A;break e}C=f[y>>2]|0;if(!C){F=y;break}else{B=y;y=C;A=B}}}while(0);f[j>>2]=f[F>>2];f[F>>2]=f[f[(f[a>>2]|0)+(E<<2)>>2]>>2];f[f[(f[a>>2]|0)+(E<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){D=41;break a}}}while(0);d=f[p>>2]|0;if(!d){D=41;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){D=41;break}else{k=s;l=r;n=r}}if((D|0)==41)return}function xd(a,b){a=+a;b=+b;var 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r=0;o=Tn(c|0,d|0,1-r|0)|0;t=r;u=o;v=I}else{t=i;u=c;v=d&1048575|1048576}if(!j){o=Tn(e|0,g|0,12)|0;q=I;if((q|0)>-1|(q|0)==-1&o>>>0>4294967295){n=0;m=o;o=q;while(1){q=n+-1|0;m=Tn(m|0,o|0,1)|0;o=I;if(!((o|0)>-1|(o|0)==-1&m>>>0>4294967295)){w=q;break}else n=q}}else w=0;n=Tn(e|0,g|0,1-w|0)|0;x=w;y=n;z=I}else{x=j;y=e;z=g&1048575|1048576}n=Xn(u|0,v|0,y|0,z|0)|0;m=I;o=(m|0)>-1|(m|0)==-1&n>>>0>4294967295;b:do if((t|0)>(x|0)){q=t;A=m;B=o;C=u;D=v;E=n;while(1){if(B)if((E|0)==0&(A|0)==0)break;else{F=E;G=A}else{F=C;G=D}H=Tn(F|0,G|0,1)|0;J=I;K=q+-1|0;L=Xn(H|0,J|0,y|0,z|0)|0;M=I;N=(M|0)>-1|(M|0)==-1&L>>>0>4294967295;if((K|0)>(x|0)){q=K;A=M;B=N;C=H;D=J;E=L}else{O=K;P=N;Q=L;R=M;S=H;T=J;break b}}U=a*0.0;break a}else{O=t;P=o;Q=n;R=m;S=u;T=v}while(0);if(P)if((Q|0)==0&(R|0)==0){U=a*0.0;break}else{V=R;W=Q}else{V=T;W=S}if(V>>>0<1048576|(V|0)==1048576&W>>>0<0){m=O;n=W;o=V;while(1){E=Tn(n|0,o|0,1)|0;D=I;C=m+-1|0;if(D>>>0<1048576|(D|0)==1048576&E>>>0<0){m=C;n=E;o=D}else{X=C;Y=E;Z=D;break}}}else{X=O;Y=W;Z=V}if((X|0)>0){o=Vn(Y|0,Z|0,0,-1048576)|0;n=I;m=Tn(X|0,0,52)|0;_=n|I;$=o|m}else{m=Yn(Y|0,Z|0,1-X|0)|0;_=I;$=m}f[s>>2]=$;f[s+4>>2]=_|h;U=+p[s>>3]}else aa=3;while(0);if((aa|0)==3){ba=a*b;U=ba/ba}return +U}function yd(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0;d=u;u=u+32|0;e=d+8|0;g=d;h=c+4|0;i=f[(f[h>>2]|0)+48>>2]|0;j=c+12|0;c=f[j>>2]|0;k=ln(32)|0;f[e>>2]=k;f[e+8>>2]=-2147483616;f[e+4>>2]=17;l=k;m=14495;n=l+17|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[k+17>>0]=0;k=i+16|0;m=f[k>>2]|0;if(m){l=k;n=m;a:while(1){m=n;while(1){if((f[m+16>>2]|0)>=(c|0))break;o=f[m+4>>2]|0;if(!o){p=l;break a}else m=o}n=f[m>>2]|0;if(!n){p=m;break}else l=m}if(((p|0)!=(k|0)?(c|0)>=(f[p+16>>2]|0):0)?(c=p+20|0,(Jh(c,e)|0)!=0):0)q=Hk(c,e,-1)|0;else r=10}else r=10;if((r|0)==10)q=Hk(i,e,-1)|0;if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);f[e>>2]=-1;f[e+4>>2]=-1;f[e+8>>2]=-1;f[e+12>>2]=-1;i=(_((1<>>0<=28){f[e>>2]=i+1;q=2<>2]=q+-1;i=q+-2|0;f[e+8>>2]=i;f[e+12>>2]=(i|0)/2|0}switch(Xi(f[j>>2]|0,f[h>>2]|0)|0){case 6:{i=f[j>>2]|0;q=f[h>>2]|0;c=f[(f[(f[q+4>>2]|0)+8>>2]|0)+(i<<2)>>2]|0;do if((Qa[f[(f[q>>2]|0)+8>>2]&127](q)|0)==1){Hf(g,q,6,i,e,514);p=f[g>>2]|0;if(!p){f[g>>2]=0;s=g;r=21;break}else{t=g;v=p;break}}else{s=g;r=21}while(0);if((r|0)==21){i=ln(24)|0;f[i+4>>2]=c;c=i+8|0;f[c>>2]=f[e>>2];f[c+4>>2]=f[e+4>>2];f[c+8>>2]=f[e+8>>2];f[c+12>>2]=f[e+12>>2];f[i>>2]=2560;c=i;f[g>>2]=c;t=s;v=c}f[a>>2]=v;f[t>>2]=0;u=d;return}case 0:{t=f[j>>2]|0;j=f[h>>2]|0;h=f[(f[(f[j+4>>2]|0)+8>>2]|0)+(t<<2)>>2]|0;do if((Qa[f[(f[j>>2]|0)+8>>2]&127](j)|0)==1){Hf(g,j,0,t,e,514);v=f[g>>2]|0;if(!v){f[g>>2]=0;w=g;r=28;break}else{x=g;y=v;break}}else{w=g;r=28}while(0);if((r|0)==28){r=ln(24)|0;f[r+4>>2]=h;h=r+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];f[r>>2]=2560;e=r;f[g>>2]=e;x=w;y=e}f[a>>2]=y;f[x>>2]=0;u=d;return}default:{f[a>>2]=0;u=d;return}}}function zd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;c=a+4|0;if(!b){d=f[a>>2]|0;f[a>>2]=0;if(d|0)Oq(d);f[c>>2]=0;return}if(b>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}d=ln(b<<2)|0;e=f[a>>2]|0;f[a>>2]=d;if(e|0)Oq(e);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;e=f[c>>2]|0;if(!e)return;d=f[e+4>>2]|0;g=b+-1|0;h=(g&b|0)==0;if(!h)if(d>>>0>>0)i=d;else i=(d>>>0)%(b>>>0)|0;else i=d&g;f[(f[a>>2]|0)+(i<<2)>>2]=c;c=f[e>>2]|0;if(!c)return;else{j=i;k=e;l=c;m=e}a:while(1){e=k;c=l;i=m;b:while(1){c:do if(h){d=c;while(1){n=f[d+4>>2]&g;if((n|0)==(j|0)){o=d;break c}p=(f[a>>2]|0)+(n<<2)|0;if(!(f[p>>2]|0)){q=d;r=n;s=p;break b}p=d+12|0;t=d+16|0;u=f[d>>2]|0;d:do if(!u)v=d;else{w=f[d+8>>2]|0;x=d;y=u;while(1){if((w|0)!=(f[y+8>>2]|0)){v=x;break d}if((f[p>>2]|0)!=(f[y+12>>2]|0)){v=x;break d}if((f[t>>2]|0)!=(f[y+16>>2]|0)){v=x;break d}z=f[y>>2]|0;if(!z){v=y;break}else{A=y;y=z;x=A}}}while(0);f[i>>2]=f[v>>2];f[v>>2]=f[f[(f[a>>2]|0)+(n<<2)>>2]>>2];f[f[(f[a>>2]|0)+(n<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){B=41;break a}}}else{d=c;while(1){t=f[d+4>>2]|0;if(t>>>0>>0)C=t;else C=(t>>>0)%(b>>>0)|0;if((C|0)==(j|0)){o=d;break c}t=(f[a>>2]|0)+(C<<2)|0;if(!(f[t>>2]|0)){q=d;r=C;s=t;break b}t=d+12|0;p=d+16|0;u=f[d>>2]|0;e:do if(!u)D=d;else{x=f[d+8>>2]|0;y=d;w=u;while(1){if((x|0)!=(f[w+8>>2]|0)){D=y;break e}if((f[t>>2]|0)!=(f[w+12>>2]|0)){D=y;break e}if((f[p>>2]|0)!=(f[w+16>>2]|0)){D=y;break e}A=f[w>>2]|0;if(!A){D=w;break}else{z=w;w=A;y=z}}}while(0);f[i>>2]=f[D>>2];f[D>>2]=f[f[(f[a>>2]|0)+(C<<2)>>2]>>2];f[f[(f[a>>2]|0)+(C<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){B=41;break a}}}while(0);c=f[o>>2]|0;if(!c){B=41;break a}else{e=o;i=o}}f[s>>2]=i;l=f[q>>2]|0;if(!l){B=41;break}else{j=r;k=q;m=q}}if((B|0)==41)return}function Ad(a,b,c,d,e,g,h){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0,j=0;switch(c|0){case 1:{c=ln(40)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2980;i=c;f[a>>2]=i;return}case 2:{c=ln(40)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=3036;i=c;f[a>>2]=i;return}case 4:{c=ln(152)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=3092;h=c+96|0;b=c+40|0;j=b+52|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(j|0));Zm(h);f[c+136>>2]=0;f[c+140>>2]=0;f[c+144>>2]=0;i=c;f[a>>2]=i;return}case 3:{c=ln(68)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=3148;h=c+40|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;f[h+12>>2]=0;f[h+16>>2]=0;f[h+20>>2]=0;f[h+24>>2]=0;i=c;f[a>>2]=i;return}case 5:{c=ln(84)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=3204;f[c+40>>2]=0;f[c+44>>2]=0;f[c+56>>2]=0;f[c+60>>2]=0;f[c+64>>2]=0;h=c+68|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];i=c;f[a>>2]=i;return}case 6:{c=ln(120)|0;f[c+4>>2]=d;d=c+8|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];e=c+24|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c>>2]=3260;f[c+44>>2]=0;f[c+48>>2]=0;e=c+52|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c+40>>2]=3316;f[c+68>>2]=1;g=c+72|0;f[g>>2]=-1;f[g+4>>2]=-1;f[g+8>>2]=-1;f[g+12>>2]=-1;wn(c+88|0);i=c;f[a>>2]=i;return}default:{i=0;f[a>>2]=i;return}}}function Bd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){g=l;d=m;j=n;b:while(1){o=d;while(1){e=f[o+4>>2]|0;if(!i)if(e>>>0>>0)p=e;else p=(e>>>0)%(c>>>0)|0;else p=e&h;if((p|0)==(k|0))break;q=(f[a>>2]|0)+(p<<2)|0;if(!(f[q>>2]|0))break b;e=f[o>>2]|0;c:do if(!e)r=o;else{s=o+8|0;t=b[s+11>>0]|0;u=t<<24>>24<0;v=t&255;t=u?f[o+12>>2]|0:v;w=(t|0)==0;if(u){u=o;x=e;while(1){y=x+8|0;z=b[y+11>>0]|0;A=z<<24>>24<0;if((t|0)!=((A?f[x+12>>2]|0:z&255)|0)){r=u;break c}if(!w?Vk(f[s>>2]|0,A?f[y>>2]|0:y,t)|0:0){r=u;break c}y=f[x>>2]|0;if(!y){r=x;break c}else{A=x;x=y;u=A}}}if(w){u=o;x=e;while(1){A=b[x+8+11>>0]|0;if((A<<24>>24<0?f[x+12>>2]|0:A&255)|0){r=u;break c}A=f[x>>2]|0;if(!A){r=x;break c}else{y=x;x=A;u=y}}}u=o;x=e;while(1){w=x+8|0;y=b[w+11>>0]|0;A=y<<24>>24<0;if((t|0)!=((A?f[x+12>>2]|0:y&255)|0)){r=u;break c}y=A?f[w>>2]|0:w;if((b[y>>0]|0)==(f[s>>2]&255)<<24>>24){B=s;C=v;D=y}else{r=u;break c}while(1){C=C+-1|0;B=B+1|0;if(!C)break;D=D+1|0;if((b[B>>0]|0)!=(b[D>>0]|0)){r=u;break c}}y=f[x>>2]|0;if(!y){r=x;break}else{w=x;x=y;u=w}}}while(0);f[j>>2]=f[r>>2];f[r>>2]=f[f[(f[a>>2]|0)+(p<<2)>>2]>>2];f[f[(f[a>>2]|0)+(p<<2)>>2]>>2]=o;e=f[g>>2]|0;if(!e){E=43;break a}else o=e}d=f[o>>2]|0;if(!d){E=43;break a}else{g=o;j=o}}f[q>>2]=j;m=f[o>>2]|0;if(!m){E=43;break}else{k=p;l=o;n=o}}if((E|0)==43)return}function Cd(a,b,c,d,e,g,h){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;var i=0,j=0;switch(c|0){case 1:{c=ln(40)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2616;i=c;f[a>>2]=i;return}case 2:{c=ln(40)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2672;i=c;f[a>>2]=i;return}case 4:{c=ln(152)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2728;h=c+96|0;b=c+40|0;j=b+52|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(j|0));Zm(h);f[c+136>>2]=0;f[c+140>>2]=0;f[c+144>>2]=0;i=c;f[a>>2]=i;return}case 3:{c=ln(68)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2784;h=c+40|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;f[h+12>>2]=0;f[h+16>>2]=0;f[h+20>>2]=0;f[h+24>>2]=0;i=c;f[a>>2]=i;return}case 5:{c=ln(84)|0;f[c+4>>2]=d;h=c+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[h+12>>2]=f[e+12>>2];h=c+24|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];f[c>>2]=2840;f[c+40>>2]=0;f[c+44>>2]=0;f[c+56>>2]=0;f[c+60>>2]=0;f[c+64>>2]=0;h=c+68|0;f[h>>2]=f[g>>2];f[h+4>>2]=f[g+4>>2];f[h+8>>2]=f[g+8>>2];f[h+12>>2]=f[g+12>>2];i=c;f[a>>2]=i;return}case 6:{c=ln(120)|0;f[c+4>>2]=d;d=c+8|0;f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];f[d+8>>2]=f[e+8>>2];f[d+12>>2]=f[e+12>>2];e=c+24|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c>>2]=2896;f[c+44>>2]=0;f[c+48>>2]=0;e=c+52|0;f[e>>2]=f[g>>2];f[e+4>>2]=f[g+4>>2];f[e+8>>2]=f[g+8>>2];f[e+12>>2]=f[g+12>>2];f[c+40>>2]=2952;f[c+68>>2]=1;g=c+72|0;f[g>>2]=-1;f[g+4>>2]=-1;f[g+8>>2]=-1;f[g+12>>2]=-1;wn(c+88|0);i=c;f[a>>2]=i;return}default:{i=0;f[a>>2]=i;return}}}function Dd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+48|0;d=c+8|0;e=c+4|0;g=c;h=a+44|0;ci(f[h>>2]|0,b)|0;if(f[h>>2]|0){wn(d);tk(d);i=(f[h>>2]|0)+-1|0;if((i|0)>-1){h=a+40|0;j=i;do{fj(d,(f[(f[h>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0);j=j+-1|0}while((j|0)>-1)}ld(d,b);Fj(d)}j=a+56|0;ci(f[j>>2]|0,b)|0;if(f[j>>2]|0){wn(d);tk(d);h=(f[j>>2]|0)+-2|0;if((h|0)>-1){j=a+52|0;i=h;do{fj(d,(f[(f[j>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);h=i+1|0;fj(d,(f[(f[j>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0)!=0);i=i+-2|0}while((i|0)>-1)}ld(d,b);Fj(d)}i=a+68|0;ci(f[i>>2]|0,b)|0;if(f[i>>2]|0){wn(d);tk(d);j=(f[i>>2]|0)+-3|0;if((j|0)>-1){i=a+64|0;h=j;do{fj(d,(f[(f[i>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0)!=0);j=h+1|0;fj(d,(f[(f[i>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0);j=h+2|0;fj(d,(f[(f[i>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0);h=h+-3|0}while((h|0)>-1)}ld(d,b);Fj(d)}h=a+80|0;ci(f[h>>2]|0,b)|0;if(f[h>>2]|0){wn(d);tk(d);i=(f[h>>2]|0)+-4|0;if((i|0)>-1){h=a+76|0;j=i;do{fj(d,(f[(f[h>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0);i=j+1|0;fj(d,(f[(f[h>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);i=j+2|0;fj(d,(f[(f[h>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);i=j+3|0;fj(d,(f[(f[h>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);j=j+-4|0}while((j|0)>-1)}ld(d,b);Fj(d)}f[g>>2]=f[a+12>>2];j=b+16|0;h=j;i=f[h>>2]|0;k=f[h+4>>2]|0;if((k|0)>0|(k|0)==0&i>>>0>0){l=k;m=i}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;i=j;l=f[i+4>>2]|0;m=f[i>>2]|0}f[g>>2]=f[a+20>>2];if((l|0)>0|(l|0)==0&m>>>0>0){u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;u=c;return 1}function Ed(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+48|0;d=c+8|0;e=c+4|0;g=c;h=a+64|0;ci(f[h>>2]|0,b)|0;if(f[h>>2]|0){wn(d);tk(d);i=(f[h>>2]|0)+-1|0;if((i|0)>-1){h=a+60|0;j=i;do{fj(d,(f[(f[h>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0);j=j+-1|0}while((j|0)>-1)}ld(d,b);Fj(d)}j=a+76|0;ci(f[j>>2]|0,b)|0;if(f[j>>2]|0){wn(d);tk(d);h=(f[j>>2]|0)+-2|0;if((h|0)>-1){j=a+72|0;i=h;do{fj(d,(f[(f[j>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);h=i+1|0;fj(d,(f[(f[j>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0)!=0);i=i+-2|0}while((i|0)>-1)}ld(d,b);Fj(d)}i=a+88|0;ci(f[i>>2]|0,b)|0;if(f[i>>2]|0){wn(d);tk(d);j=(f[i>>2]|0)+-3|0;if((j|0)>-1){i=a+84|0;h=j;do{fj(d,(f[(f[i>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0)!=0);j=h+1|0;fj(d,(f[(f[i>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0);j=h+2|0;fj(d,(f[(f[i>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0);h=h+-3|0}while((h|0)>-1)}ld(d,b);Fj(d)}h=a+100|0;ci(f[h>>2]|0,b)|0;if(f[h>>2]|0){wn(d);tk(d);i=(f[h>>2]|0)+-4|0;if((i|0)>-1){h=a+96|0;j=i;do{fj(d,(f[(f[h>>2]|0)+(j>>>5<<2)>>2]&1<<(j&31)|0)!=0);i=j+1|0;fj(d,(f[(f[h>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);i=j+2|0;fj(d,(f[(f[h>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);i=j+3|0;fj(d,(f[(f[h>>2]|0)+(i>>>5<<2)>>2]&1<<(i&31)|0)!=0);j=j+-4|0}while((j|0)>-1)}ld(d,b);Fj(d)}f[g>>2]=f[a+12>>2];j=b+16|0;h=j;i=f[h>>2]|0;k=f[h+4>>2]|0;if((k|0)>0|(k|0)==0&i>>>0>0){l=k;m=i}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;i=j;l=f[i+4>>2]|0;m=f[i>>2]|0}f[g>>2]=f[a+16>>2];if((l|0)>0|(l|0)==0&m>>>0>0){u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;u=c;return 1}function Fd(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;c=a+4|0;if(!b){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[c>>2]=0;return}if(b>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(b<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;g=f[c>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=b+-1|0;i=(h&b|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(b>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=c;c=f[g>>2]|0;if(!c)return;else{k=j;l=g;m=c;n=g}a:while(1){g=l;c=m;j=n;b:while(1){c:do if(i){e=c;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=f[e>>2]|0;d:do if(!u)v=e;else{w=d[q>>1]|0;x=q+2|0;y=e;z=u;while(1){A=z+8|0;if(w<<16>>16!=(d[A>>1]|0)){v=y;break d}if((d[x>>1]|0)!=(d[A+2>>1]|0)){v=y;break d}A=f[z>>2]|0;if(!A){v=z;break}else{B=z;z=A;y=B}}}while(0);f[j>>2]=f[v>>2];f[v>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){C=39;break a}}}else{e=c;while(1){u=f[e+4>>2]|0;if(u>>>0>>0)D=u;else D=(u>>>0)%(b>>>0)|0;if((D|0)==(k|0)){p=e;break c}u=(f[a>>2]|0)+(D<<2)|0;if(!(f[u>>2]|0)){r=e;s=D;t=u;break b}u=e+8|0;q=f[e>>2]|0;e:do if(!q)E=e;else{y=d[u>>1]|0;z=u+2|0;x=e;w=q;while(1){B=w+8|0;if(y<<16>>16!=(d[B>>1]|0)){E=x;break e}if((d[z>>1]|0)!=(d[B+2>>1]|0)){E=x;break e}B=f[w>>2]|0;if(!B){E=w;break}else{A=w;w=B;x=A}}}while(0);f[j>>2]=f[E>>2];f[E>>2]=f[f[(f[a>>2]|0)+(D<<2)>>2]>>2];f[f[(f[a>>2]|0)+(D<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){C=39;break a}}}while(0);c=f[p>>2]|0;if(!c){C=39;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){C=39;break}else{k=s;l=r;n=r}}if((C|0)==39)return}function Gd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){g=l;d=m;j=n;b:while(1){c:do if(i){e=d;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0)){p=e;break c}q=(f[a>>2]|0)+(o<<2)|0;if(!(f[q>>2]|0)){r=e;s=o;t=q;break b}q=e+8|0;u=f[e>>2]|0;d:do if(!u)v=e;else{w=b[q>>0]|0;x=q+1|0;y=e;z=u;while(1){A=z+8|0;if(w<<24>>24!=(b[A>>0]|0)){v=y;break d}if((b[x>>0]|0)!=(b[A+1>>0]|0)){v=y;break d}A=f[z>>2]|0;if(!A){v=z;break}else{B=z;z=A;y=B}}}while(0);f[j>>2]=f[v>>2];f[v>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){C=39;break a}}}else{e=d;while(1){u=f[e+4>>2]|0;if(u>>>0>>0)D=u;else D=(u>>>0)%(c>>>0)|0;if((D|0)==(k|0)){p=e;break c}u=(f[a>>2]|0)+(D<<2)|0;if(!(f[u>>2]|0)){r=e;s=D;t=u;break b}u=e+8|0;q=f[e>>2]|0;e:do if(!q)E=e;else{y=b[u>>0]|0;z=u+1|0;x=e;w=q;while(1){B=w+8|0;if(y<<24>>24!=(b[B>>0]|0)){E=x;break e}if((b[z>>0]|0)!=(b[B+1>>0]|0)){E=x;break e}B=f[w>>2]|0;if(!B){E=w;break}else{A=w;w=B;x=A}}}while(0);f[j>>2]=f[E>>2];f[E>>2]=f[f[(f[a>>2]|0)+(D<<2)>>2]>>2];f[f[(f[a>>2]|0)+(D<<2)>>2]>>2]=e;e=f[g>>2]|0;if(!e){C=39;break a}}}while(0);d=f[p>>2]|0;if(!d){C=39;break a}else{g=p;j=p}}f[t>>2]=j;m=f[r>>2]|0;if(!m){C=39;break}else{k=s;l=r;n=r}}if((C|0)==39)return}function Hd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;c=u;u=u+48|0;d=c+32|0;e=c+28|0;g=c+16|0;h=c;i=a+16|0;j=f[i>>2]|0;if(j|0){k=f[b>>2]|0;l=i;m=j;a:while(1){j=m;while(1){if((f[j+16>>2]|0)>=(k|0))break;n=f[j+4>>2]|0;if(!n){o=l;break a}else j=n}m=f[j>>2]|0;if(!m){o=j;break}else l=j}if((o|0)!=(i|0)?(k|0)>=(f[o+16>>2]|0):0){p=o;q=p+20|0;u=c;return q|0}}lp(g);f[h>>2]=f[b>>2];b=h+4|0;f[h+8>>2]=0;o=h+12|0;f[o>>2]=0;k=h+8|0;f[b>>2]=k;l=f[g>>2]|0;m=g+4|0;if((l|0)!=(m|0)){n=k;r=l;while(1){l=r+16|0;f[e>>2]=n;f[d>>2]=f[e>>2];ph(b,d,l,l)|0;l=f[r+4>>2]|0;if(!l){s=r+8|0;t=f[s>>2]|0;if((f[t>>2]|0)==(r|0))v=t;else{t=s;do{s=f[t>>2]|0;t=s+8|0;w=f[t>>2]|0}while((f[w>>2]|0)!=(s|0));v=w}}else{t=l;while(1){j=f[t>>2]|0;if(!j)break;else t=j}v=t}if((v|0)==(m|0))break;else r=v}}v=a+12|0;r=f[i>>2]|0;do if(r){d=f[h>>2]|0;e=a+16|0;n=r;while(1){l=f[n+16>>2]|0;if((d|0)<(l|0)){j=f[n>>2]|0;if(!j){x=23;break}else{y=n;z=j}}else{if((l|0)>=(d|0)){x=27;break}A=n+4|0;l=f[A>>2]|0;if(!l){x=26;break}else{y=A;z=l}}e=y;n=z}if((x|0)==23){B=n;C=n;break}else if((x|0)==26){B=n;C=A;break}else if((x|0)==27){B=n;C=e;break}}else{B=i;C=i}while(0);i=f[C>>2]|0;if(!i){x=ln(32)|0;f[x+16>>2]=f[h>>2];A=x+20|0;f[A>>2]=f[b>>2];z=x+24|0;y=f[h+8>>2]|0;f[z>>2]=y;r=f[o>>2]|0;f[x+28>>2]=r;if(!r)f[A>>2]=z;else{f[y+8>>2]=z;f[b>>2]=k;f[k>>2]=0;f[o>>2]=0}f[x>>2]=0;f[x+4>>2]=0;f[x+8>>2]=B;f[C>>2]=x;B=f[f[v>>2]>>2]|0;if(!B)D=x;else{f[v>>2]=B;D=f[C>>2]|0}Oe(f[a+16>>2]|0,D);D=a+20|0;f[D>>2]=(f[D>>2]|0)+1;E=x}else E=i;Ej(h+4|0,f[k>>2]|0);Ej(g,f[m>>2]|0);p=E;q=p+20|0;u=c;return q|0}function Id(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0;d=b[c+11>>0]|0;e=d<<24>>24<0;g=e?f[c>>2]|0:c;i=e?f[c+4>>2]|0:d&255;if(i>>>0>3){d=g;c=i;e=i;while(1){j=X(h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24,1540483477)|0;c=(X(j>>>24^j,1540483477)|0)^(X(c,1540483477)|0);e=e+-4|0;if(e>>>0<=3)break;else d=d+4|0}d=i+-4|0;e=d&-4;k=d-e|0;l=g+(e+4)|0;m=c}else{k=i;l=g;m=i}switch(k|0){case 3:{n=h[l+2>>0]<<16^m;o=6;break}case 2:{n=m;o=6;break}case 1:{p=m;o=7;break}default:q=m}if((o|0)==6){p=h[l+1>>0]<<8^n;o=7}if((o|0)==7)q=X(p^h[l>>0],1540483477)|0;l=X(q>>>13^q,1540483477)|0;q=l>>>15^l;l=f[a+4>>2]|0;if(!l){r=0;return r|0}p=l+-1|0;n=(p&l|0)==0;if(!n)if(q>>>0>>0)s=q;else s=(q>>>0)%(l>>>0)|0;else s=q&p;m=f[(f[a>>2]|0)+(s<<2)>>2]|0;if(!m){r=0;return r|0}a=f[m>>2]|0;if(!a){r=0;return r|0}m=(i|0)==0;if(n){n=a;a:while(1){k=f[n+4>>2]|0;c=(k|0)==(q|0);if(!(c|(k&p|0)==(s|0))){r=0;o=40;break}do if(c?(k=n+8|0,e=b[k+11>>0]|0,d=e<<24>>24<0,j=e&255,((d?f[n+12>>2]|0:j)|0)==(i|0)):0){e=f[k>>2]|0;t=d?e:k;if(d){if(m){r=n;o=40;break a}if(!(Vk(t,g,i)|0)){r=n;o=40;break a}else break}if(m){r=n;o=40;break a}if((b[g>>0]|0)==(e&255)<<24>>24){e=k;k=j;j=g;do{k=k+-1|0;e=e+1|0;if(!k){r=n;o=40;break a}j=j+1|0}while((b[e>>0]|0)==(b[j>>0]|0))}}while(0);n=f[n>>2]|0;if(!n){r=0;o=40;break}}if((o|0)==40)return r|0}else u=a;b:while(1){a=f[u+4>>2]|0;do if((a|0)==(q|0)){n=u+8|0;p=b[n+11>>0]|0;c=p<<24>>24<0;j=p&255;if(((c?f[u+12>>2]|0:j)|0)==(i|0)){p=f[n>>2]|0;e=c?p:n;if(c){if(m){r=u;o=40;break b}if(!(Vk(e,g,i)|0)){r=u;o=40;break b}else break}if(m){r=u;o=40;break b}if((b[g>>0]|0)==(p&255)<<24>>24){p=n;n=j;j=g;do{n=n+-1|0;p=p+1|0;if(!n){r=u;o=40;break b}j=j+1|0}while((b[p>>0]|0)==(b[j>>0]|0))}}}else{if(a>>>0>>0)v=a;else v=(a>>>0)%(l>>>0)|0;if((v|0)!=(s|0)){r=0;o=40;break b}}while(0);u=f[u>>2]|0;if(!u){r=0;o=40;break}}if((o|0)==40)return r|0;return 0}function Jd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0;c=a+4|0;if(!b){d=f[a>>2]|0;f[a>>2]=0;if(d|0)Oq(d);f[c>>2]=0;return}if(b>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}d=ln(b<<2)|0;e=f[a>>2]|0;f[a>>2]=d;if(e|0)Oq(e);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;e=f[c>>2]|0;if(!e)return;d=f[e+4>>2]|0;g=b+-1|0;h=(g&b|0)==0;if(!h)if(d>>>0>>0)i=d;else i=(d>>>0)%(b>>>0)|0;else i=d&g;f[(f[a>>2]|0)+(i<<2)>>2]=c;c=f[e>>2]|0;if(!c)return;else{j=i;k=e;l=c;m=e}a:while(1){e=k;c=l;i=m;b:while(1){c:do if(h){d=c;while(1){n=f[d+4>>2]&g;if((n|0)==(j|0)){o=d;break c}p=(f[a>>2]|0)+(n<<2)|0;if(!(f[p>>2]|0)){q=d;r=n;s=p;break b}p=d+12|0;t=f[d>>2]|0;d:do if(!t)u=d;else{v=f[d+8>>2]|0;w=d;x=t;while(1){if((v|0)!=(f[x+8>>2]|0)){u=w;break d}if((f[p>>2]|0)!=(f[x+12>>2]|0)){u=w;break d}y=f[x>>2]|0;if(!y){u=x;break}else{z=x;x=y;w=z}}}while(0);f[i>>2]=f[u>>2];f[u>>2]=f[f[(f[a>>2]|0)+(n<<2)>>2]>>2];f[f[(f[a>>2]|0)+(n<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){A=39;break a}}}else{d=c;while(1){p=f[d+4>>2]|0;if(p>>>0>>0)B=p;else B=(p>>>0)%(b>>>0)|0;if((B|0)==(j|0)){o=d;break c}p=(f[a>>2]|0)+(B<<2)|0;if(!(f[p>>2]|0)){q=d;r=B;s=p;break b}p=d+12|0;t=f[d>>2]|0;e:do if(!t)C=d;else{w=f[d+8>>2]|0;x=d;v=t;while(1){if((w|0)!=(f[v+8>>2]|0)){C=x;break e}if((f[p>>2]|0)!=(f[v+12>>2]|0)){C=x;break e}z=f[v>>2]|0;if(!z){C=v;break}else{y=v;v=z;x=y}}}while(0);f[i>>2]=f[C>>2];f[C>>2]=f[f[(f[a>>2]|0)+(B<<2)>>2]>>2];f[f[(f[a>>2]|0)+(B<<2)>>2]>>2]=d;d=f[e>>2]|0;if(!d){A=39;break a}}}while(0);c=f[o>>2]|0;if(!c){A=39;break a}else{e=o;i=o}}f[s>>2]=i;l=f[q>>2]|0;if(!l){A=39;break}else{j=r;k=q;m=q}}if((A|0)==39)return}function Kd(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0;h=a+4|0;i=f[c>>2]|0;c=i;do if((i|0)!=(h|0)){j=i+16|0;k=b[j+11>>0]|0;l=k<<24>>24<0;m=l?f[i+20>>2]|0:k&255;k=b[g+11>>0]|0;n=k<<24>>24<0;o=n?f[g+4>>2]|0:k&255;k=m>>>0>>0;p=k?m:o;if((p|0)!=0?(q=Vk(n?f[g>>2]|0:g,l?f[j>>2]|0:j,p)|0,(q|0)!=0):0){if((q|0)<0)break}else r=4;if((r|0)==4?o>>>0>>0:0)break;q=o>>>0>>0?o:m;if((q|0)!=0?(m=Vk(l?f[j>>2]|0:j,n?f[g>>2]|0:g,q)|0,(m|0)!=0):0){if((m|0)>=0)r=37}else r=21;if((r|0)==21?!k:0)r=37;if((r|0)==37){f[d>>2]=c;f[e>>2]=c;s=e;return s|0}k=f[i+4>>2]|0;m=(k|0)==0;if(m){q=i+8|0;j=f[q>>2]|0;if((f[j>>2]|0)==(i|0))t=j;else{j=q;do{q=f[j>>2]|0;j=q+8|0;l=f[j>>2]|0}while((f[l>>2]|0)!=(q|0));t=l}}else{j=k;while(1){l=f[j>>2]|0;if(!l)break;else j=l}t=j}do if((t|0)!=(h|0)){k=t+16|0;l=b[k+11>>0]|0;q=l<<24>>24<0;p=q?f[t+20>>2]|0:l&255;l=p>>>0>>0?p:o;if((l|0)!=0?(u=Vk(n?f[g>>2]|0:g,q?f[k>>2]|0:k,l)|0,(u|0)!=0):0){if((u|0)<0)break}else r=31;if((r|0)==31?o>>>0

>>0:0)break;s=yg(a,d,g)|0;return s|0}while(0);if(m){f[d>>2]=c;s=i+4|0;return s|0}else{f[d>>2]=t;s=t;return s|0}}while(0);t=f[i>>2]|0;do if((f[a>>2]|0)==(i|0))v=c;else{if(!t){h=i;while(1){e=f[h+8>>2]|0;if((f[e>>2]|0)==(h|0))h=e;else{w=e;break}}}else{h=t;while(1){m=f[h+4>>2]|0;if(!m){w=h;break}else h=m}}h=w;m=w+16|0;e=b[g+11>>0]|0;o=e<<24>>24<0;n=o?f[g+4>>2]|0:e&255;e=b[m+11>>0]|0;j=e<<24>>24<0;p=j?f[w+20>>2]|0:e&255;e=n>>>0

>>0?n:p;if((e|0)!=0?(u=Vk(j?f[m>>2]|0:m,o?f[g>>2]|0:g,e)|0,(u|0)!=0):0){if((u|0)<0){v=h;break}}else r=13;if((r|0)==13?p>>>0>>0:0){v=h;break}s=yg(a,d,g)|0;return s|0}while(0);if(!t){f[d>>2]=i;s=i;return s|0}else{f[d>>2]=v;s=v+4|0;return s|0}return 0}function Ld(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;g=a;h=b;i=h;j=c;k=d;l=k;if(!i){m=(e|0)!=0;if(!l){if(m){f[e>>2]=(g>>>0)%(j>>>0);f[e+4>>2]=0}n=0;o=(g>>>0)/(j>>>0)>>>0;return (I=n,o)|0}else{if(!m){n=0;o=0;return (I=n,o)|0}f[e>>2]=a|0;f[e+4>>2]=b&0;n=0;o=0;return (I=n,o)|0}}m=(l|0)==0;do if(j){if(!m){p=(_(l|0)|0)-(_(i|0)|0)|0;if(p>>>0<=31){q=p+1|0;r=31-p|0;s=p-31>>31;t=q;u=g>>>(q>>>0)&s|i<>>(q>>>0)&s;w=0;x=g<>2]=a|0;f[e+4>>2]=h|b&0;n=0;o=0;return (I=n,o)|0}r=j-1|0;if(r&j|0){s=(_(j|0)|0)+33-(_(i|0)|0)|0;q=64-s|0;p=32-s|0;y=p>>31;z=s-32|0;A=z>>31;t=s;u=p-1>>31&i>>>(z>>>0)|(i<>>(s>>>0))&A;v=A&i>>>(s>>>0);w=g<>>(z>>>0))&y|g<>31;break}if(e|0){f[e>>2]=r&g;f[e+4>>2]=0}if((j|0)==1){n=h|b&0;o=a|0|0;return (I=n,o)|0}else{r=vm(j|0)|0;n=i>>>(r>>>0)|0;o=i<<32-r|g>>>(r>>>0)|0;return (I=n,o)|0}}else{if(m){if(e|0){f[e>>2]=(i>>>0)%(j>>>0);f[e+4>>2]=0}n=0;o=(i>>>0)/(j>>>0)>>>0;return (I=n,o)|0}if(!g){if(e|0){f[e>>2]=0;f[e+4>>2]=(i>>>0)%(l>>>0)}n=0;o=(i>>>0)/(l>>>0)>>>0;return (I=n,o)|0}r=l-1|0;if(!(r&l)){if(e|0){f[e>>2]=a|0;f[e+4>>2]=r&i|b&0}n=0;o=i>>>((vm(l|0)|0)>>>0);return (I=n,o)|0}r=(_(l|0)|0)-(_(i|0)|0)|0;if(r>>>0<=30){s=r+1|0;p=31-r|0;t=s;u=i<>>(s>>>0);v=i>>>(s>>>0);w=0;x=g<>2]=a|0;f[e+4>>2]=h|b&0;n=0;o=0;return (I=n,o)|0}while(0);if(!t){B=x;C=w;D=v;E=u;F=0;G=0}else{b=c|0|0;c=k|d&0;d=Vn(b|0,c|0,-1,-1)|0;k=I;h=x;x=w;w=v;v=u;u=t;t=0;do{a=h;h=x>>>31|h<<1;x=t|x<<1;g=v<<1|a>>>31|0;a=v>>>31|w<<1|0;Xn(d|0,k|0,g|0,a|0)|0;i=I;l=i>>31|((i|0)<0?-1:0)<<1;t=l&1;v=Xn(g|0,a|0,l&b|0,(((i|0)<0?-1:0)>>31|((i|0)<0?-1:0)<<1)&c|0)|0;w=I;u=u-1|0}while((u|0)!=0);B=h;C=x;D=w;E=v;F=0;G=t}t=C;C=0;if(e|0){f[e>>2]=E;f[e+4>>2]=D}n=(t|0)>>>31|(B|C)<<1|(C<<1|t>>>31)&0|F;o=(t<<1|0>>>31)&-2|G;return (I=n,o)|0}function Md(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;g=u;u=u+16|0;h=g;f[c+48>>2]=d;f[c+44>>2]=e;e=f[c+8>>2]|0;d=c+12|0;i=f[d>>2]|0;if((i|0)!=(e|0)){j=i;do{i=j+-4|0;f[d>>2]=i;k=f[i>>2]|0;f[i>>2]=0;if(k|0)Va[f[(f[k>>2]|0)+4>>2]&127](k);j=f[d>>2]|0}while((j|0)!=(e|0))}e=f[c+20>>2]|0;j=c+24|0;d=f[j>>2]|0;if((d|0)!=(e|0))f[j>>2]=d+(~((d+-4-e|0)>>>2)<<2);e=f[c+32>>2]|0;d=c+36|0;j=f[d>>2]|0;if((j|0)!=(e|0))f[d>>2]=j+(~((j+-4-e|0)>>>2)<<2);if(!(f[c+4>>2]|0)){e=ln(32)|0;f[h>>2]=e;f[h+8>>2]=-2147483616;f[h+4>>2]=23;l=e;m=15706;n=l+23|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[e+23>>0]=0;f[a>>2]=-1;pj(a+4|0,h);if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);u=g;return}Ud(a,c);if(f[a>>2]|0){u=g;return}e=a+4|0;j=e+11|0;if((b[j>>0]|0)<0)Oq(f[e>>2]|0);Wi(a,c);if(f[a>>2]|0){u=g;return}if((b[j>>0]|0)<0)Oq(f[e>>2]|0);if(!(Qa[f[(f[c>>2]|0)+16>>2]&127](c)|0)){j=ln(32)|0;f[h>>2]=j;f[h+8>>2]=-2147483616;f[h+4>>2]=29;l=j;m=15730;n=l+29|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[j+29>>0]=0;f[a>>2]=-1;pj(e,h);if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);u=g;return}if(!(Qa[f[(f[c>>2]|0)+20>>2]&127](c)|0)){j=ln(32)|0;f[h>>2]=j;f[h+8>>2]=-2147483616;f[h+4>>2]=31;l=j;m=15760;n=l+31|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[j+31>>0]=0;f[a>>2]=-1;pj(e,h);if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);u=g;return}if(!(Qa[f[(f[c>>2]|0)+24>>2]&127](c)|0)){j=ln(32)|0;f[h>>2]=j;f[h+8>>2]=-2147483616;f[h+4>>2]=31;l=j;m=15792;n=l+31|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[j+31>>0]=0;f[a>>2]=-1;pj(e,h);if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);u=g;return}if(Qa[f[(f[c>>2]|0)+28>>2]&127](c)|0){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=g;return}c=ln(48)|0;f[h>>2]=c;f[h+8>>2]=-2147483600;f[h+4>>2]=34;l=c;m=15824;n=l+34|0;do{b[l>>0]=b[m>>0]|0;l=l+1|0;m=m+1|0}while((l|0)<(n|0));b[c+34>>0]=0;f[a>>2]=-1;pj(e,h);if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);u=g;return}function Nd(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;c=u;u=u+32|0;d=c+4|0;e=c;g=c+16|0;h=a+48|0;i=f[h>>2]|0;j=ln(32)|0;f[d>>2]=j;f[d+8>>2]=-2147483616;f[d+4>>2]=20;k=j;l=14538;m=k+20|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[j+20>>0]=0;j=Fk(i+24|0,d)|0;if((b[d+11>>0]|0)<0)Oq(f[d>>2]|0);i=f[h>>2]|0;n=ln(32)|0;f[d>>2]=n;f[d+8>>2]=-2147483616;f[d+4>>2]=22;k=n;l=14559;m=k+22|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[n+22>>0]=0;n=Fk(i+24|0,d)|0;if((b[d+11>>0]|0)<0)Oq(f[d>>2]|0);i=a+56|0;o=f[i>>2]|0;f[i>>2]=0;if(o|0)Va[f[(f[o>>2]|0)+4>>2]&127](o);o=f[a+52>>2]|0;p=(((f[o+100>>2]|0)-(f[o+96>>2]|0)|0)/12|0)>>>0<1e3;o=f[h>>2]|0;q=ln(32)|0;f[d>>2]=q;f[d+8>>2]=-2147483616;f[d+4>>2]=18;k=q;l=14582;m=k+18|0;do{b[k>>0]=b[l>>0]|0;k=k+1|0;l=l+1|0}while((k|0)<(m|0));b[q+18>>0]=0;q=Hk(o,d,-1)|0;if((b[d+11>>0]|0)<0)Oq(f[d>>2]|0);switch(q|0){case -1:{if(j?p|((mi(f[h>>2]|0)|0)>4|n^1):0)r=13;else r=17;break}case 0:{if(j)r=13;else r=21;break}case 2:{r=17;break}default:r=21}if((r|0)==13){j=f[a+44>>2]|0;b[g>>0]=0;n=j+16|0;h=f[n+4>>2]|0;if(!((h|0)>0|(h|0)==0&(f[n>>2]|0)>>>0>0)){f[e>>2]=f[j+4>>2];f[d>>2]=f[e>>2];Me(j,d,g,g+1|0)|0}j=ln(296)|0;_i(j);n=f[i>>2]|0;f[i>>2]=j;if(!n)s=j;else{Va[f[(f[n>>2]|0)+4>>2]&127](n);r=21}}else if((r|0)==17){n=f[a+44>>2]|0;b[g>>0]=2;j=n+16|0;h=f[j+4>>2]|0;if(!((h|0)>0|(h|0)==0&(f[j>>2]|0)>>>0>0)){f[e>>2]=f[n+4>>2];f[d>>2]=f[e>>2];Me(n,d,g,g+1|0)|0}g=ln(360)|0;xi(g);d=f[i>>2]|0;f[i>>2]=g;if(!d)s=g;else{Va[f[(f[d>>2]|0)+4>>2]&127](d);r=21}}if((r|0)==21){r=f[i>>2]|0;if(!r){t=0;u=c;return t|0}else s=r}t=Ra[f[(f[s>>2]|0)+8>>2]&127](s,a)|0;u=c;return t|0}function Od(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;e=b+12|0;g=f[e>>2]|0;h=c+4|0;i=(f[h>>2]|0)-g|0;j=c;f[j>>2]=(f[c>>2]|0)-g;f[j+4>>2]=i;i=(f[d>>2]|0)-g|0;j=d+4|0;k=(f[j>>2]|0)-g|0;g=d;f[g>>2]=i;f[g+4>>2]=k;g=f[e>>2]|0;if((((k|0)>-1?k:0-k|0)+((i|0)>-1?i:0-i|0)|0)>(g|0)){l=f[c>>2]|0;m=f[h>>2]|0;if((l|0)>-1)if((m|0)<=-1)if((l|0)<1){n=-1;o=-1}else p=6;else{n=1;o=1}else if((m|0)<1){n=-1;o=-1}else p=6;if((p|0)==6){n=(l|0)>0?1:-1;o=(m|0)>0?1:-1}q=X(g,n)|0;r=X(g,o)|0;g=(l<<1)-q|0;f[c>>2]=g;l=(m<<1)-r|0;f[h>>2]=l;if((X(n,o)|0)>-1){o=0-l|0;f[c>>2]=o;s=0-g|0;t=o}else{f[c>>2]=l;s=g;t=l}f[c>>2]=(t+q|0)/2|0;f[h>>2]=(s+r|0)/2|0;r=f[d>>2]|0;s=f[j>>2]|0;if((r|0)>-1)if((s|0)<=-1)if((r|0)<1){u=-1;v=-1}else p=14;else{u=1;v=1}else if((s|0)<1){u=-1;v=-1}else p=14;if((p|0)==14){u=(r|0)>0?1:-1;v=(s|0)>0?1:-1}q=f[e>>2]|0;e=X(q,u)|0;t=X(q,v)|0;q=(r<<1)-e|0;f[d>>2]=q;r=(s<<1)-t|0;f[j>>2]=r;if((X(u,v)|0)>-1){v=0-r|0;f[d>>2]=v;w=0-q|0;x=v}else{f[d>>2]=r;w=q;x=r}r=(x+e|0)/2|0;f[d>>2]=r;e=(w+t|0)/2|0;f[j>>2]=e;y=r;z=e}else{y=i;z=k}if(!y)if(!z){A=y;B=z}else p=22;else if((y|0)<0&(z|0)<1){A=y;B=z}else p=22;if((p|0)==22){if(!y)C=(z|0)==0?0:(z|0)>0?3:1;else C=(y|0)>0?(z>>31)+2|0:(z|0)<1?0:3;z=f[c>>2]|0;y=f[h>>2]|0;switch(C|0){case 1:{C=c;f[C>>2]=y;f[C+4>>2]=0-z;D=f[j>>2]|0;E=0-(f[d>>2]|0)|0;break}case 2:{C=c;f[C>>2]=0-z;f[C+4>>2]=0-y;D=0-(f[d>>2]|0)|0;E=0-(f[j>>2]|0)|0;break}case 3:{C=c;f[C>>2]=0-y;f[C+4>>2]=z;D=0-(f[j>>2]|0)|0;E=f[d>>2]|0;break}default:{C=c;f[C>>2]=z;f[C+4>>2]=y;D=f[d>>2]|0;E=f[j>>2]|0}}j=d;f[j>>2]=D;f[j+4>>2]=E;A=D;B=E}E=(f[c>>2]|0)-A|0;f[a>>2]=E;A=(f[h>>2]|0)-B|0;B=a+4|0;f[B>>2]=A;if((E|0)<0)F=(f[b+4>>2]|0)+E|0;else F=E;f[a>>2]=F;if((A|0)>=0){G=A;f[B>>2]=G;return}G=(f[b+4>>2]|0)+A|0;f[B>>2]=G;return}function Pd(a,b){a=a|0;b=b|0;var c=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0;c=a+4|0;if(!b){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[c>>2]=0;return}if(b>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(b<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;g=f[c>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=b+-1|0;i=(h&b|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(b>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=c;c=f[g>>2]|0;if(!c)return;else{k=j;l=g;m=c;n=g}a:while(1){b:do if(i){g=l;c=m;j=n;while(1){e=c;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0))break;p=(f[a>>2]|0)+(o<<2)|0;if(!(f[p>>2]|0)){q=e;r=j;s=o;t=p;break b}p=e+8|0;u=e;while(1){v=f[u>>2]|0;if(!v)break;if((d[p>>1]|0)==(d[v+8>>1]|0))u=v;else break}f[j>>2]=v;f[u>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;p=f[g>>2]|0;if(!p){w=37;break a}else e=p}c=f[e>>2]|0;if(!c){w=37;break a}else{g=e;j=e}}}else{j=l;g=m;c=n;while(1){p=g;while(1){x=f[p+4>>2]|0;if(x>>>0>>0)y=x;else y=(x>>>0)%(b>>>0)|0;if((y|0)==(k|0))break;x=(f[a>>2]|0)+(y<<2)|0;if(!(f[x>>2]|0)){q=p;r=c;s=y;t=x;break b}x=p+8|0;z=p;while(1){A=f[z>>2]|0;if(!A)break;if((d[x>>1]|0)==(d[A+8>>1]|0))z=A;else break}f[c>>2]=A;f[z>>2]=f[f[(f[a>>2]|0)+(y<<2)>>2]>>2];f[f[(f[a>>2]|0)+(y<<2)>>2]>>2]=p;x=f[j>>2]|0;if(!x){w=37;break a}else p=x}g=f[p>>2]|0;if(!g){w=37;break a}else{j=p;c=p}}}while(0);f[t>>2]=r;m=f[q>>2]|0;if(!m){w=37;break}else{k=s;l=q;n=q}}if((w|0)==37)return}function Qd(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;else{k=j;l=g;m=d;n=g}a:while(1){b:do if(i){g=l;d=m;j=n;while(1){e=d;while(1){o=f[e+4>>2]&h;if((o|0)==(k|0))break;p=(f[a>>2]|0)+(o<<2)|0;if(!(f[p>>2]|0)){q=e;r=j;s=o;t=p;break b}p=e+8|0;u=e;while(1){v=f[u>>2]|0;if(!v)break;if((b[p>>0]|0)==(b[v+8>>0]|0))u=v;else break}f[j>>2]=v;f[u>>2]=f[f[(f[a>>2]|0)+(o<<2)>>2]>>2];f[f[(f[a>>2]|0)+(o<<2)>>2]>>2]=e;p=f[g>>2]|0;if(!p){w=37;break a}else e=p}d=f[e>>2]|0;if(!d){w=37;break a}else{g=e;j=e}}}else{j=l;g=m;d=n;while(1){p=g;while(1){x=f[p+4>>2]|0;if(x>>>0>>0)y=x;else y=(x>>>0)%(c>>>0)|0;if((y|0)==(k|0))break;x=(f[a>>2]|0)+(y<<2)|0;if(!(f[x>>2]|0)){q=p;r=d;s=y;t=x;break b}x=p+8|0;z=p;while(1){A=f[z>>2]|0;if(!A)break;if((b[x>>0]|0)==(b[A+8>>0]|0))z=A;else break}f[d>>2]=A;f[z>>2]=f[f[(f[a>>2]|0)+(y<<2)>>2]>>2];f[f[(f[a>>2]|0)+(y<<2)>>2]>>2]=p;x=f[j>>2]|0;if(!x){w=37;break a}else p=x}g=f[p>>2]|0;if(!g){w=37;break a}else{j=p;d=p}}}while(0);f[t>>2]=r;m=f[q>>2]|0;if(!m){w=37;break}else{k=s;l=q;n=q}}if((w|0)==37)return}function Rd(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;g=f[c>>2]|0;c=f[b>>2]|0;h=g-c|0;i=a+8|0;j=f[i>>2]|0;if(h>>>0<64){if(j>>>0<=1){k=0;return k|0}l=f[e>>2]|0;m=0;n=1;while(1){o=(f[l+(m<<2)>>2]|0)>>>0>(f[l+(n<<2)>>2]|0)>>>0?n:m;n=n+1|0;if(n>>>0>=j>>>0){k=o;break}else m=o}return k|0}if(j){j=f[a+1128>>2]|0;m=f[e>>2]|0;e=f[a+1140>>2]|0;n=f[d>>2]|0;d=b+4|0;l=b+8|0;if((g|0)==(c|0)){b=0;do{o=j+(b<<2)|0;f[o>>2]=0;p=(f[a>>2]|0)-(f[m+(b<<2)>>2]|0)|0;f[e+(b<<2)>>2]=p;if(p|0){p=f[o>>2]|0;q=h-p|0;f[o>>2]=q>>>0

>>0?p:q}b=b+1|0;q=f[i>>2]|0}while(b>>>0>>0);r=q}else{b=0;do{q=j+(b<<2)|0;f[q>>2]=0;p=(f[a>>2]|0)-(f[m+(b<<2)>>2]|0)|0;f[e+(b<<2)>>2]=p;if(p|0){o=(f[n+(b<<2)>>2]|0)+(1<>2]|0;s=f[(f[d>>2]|0)+24>>2]|0;t=c;u=f[q>>2]|0;do{v=s+((X(t,p)|0)<<2)+(b<<2)|0;u=u+((f[v>>2]|0)>>>0>>0&1)|0;f[q>>2]=u;t=t+1|0}while((t|0)!=(g|0));t=h-u|0;f[q>>2]=t>>>0>>0?u:t}b=b+1|0;t=f[i>>2]|0}while(b>>>0>>0);r=t}if(r){b=f[a+1140>>2]|0;i=a+1128|0;h=0;g=0;c=0;while(1){if(!(f[b+(g<<2)>>2]|0)){w=h;x=c}else{d=f[(f[i>>2]|0)+(g<<2)>>2]|0;l=h>>>0>>0;w=l?d:h;x=l?g:c}g=g+1|0;if(g>>>0>=r>>>0){y=x;break}else{h=w;c=x}}}else y=0}else y=0;x=a+1088|0;c=a+1104|0;w=f[c>>2]|0;h=32-w|0;if((h|0)<4){r=y&15;g=4-h|0;f[c>>2]=g;h=a+1100|0;i=f[h>>2]|r>>>g;f[h>>2]=i;g=a+1092|0;b=f[g>>2]|0;if((b|0)==(f[a+1096>>2]|0))Ri(x,h);else{f[b>>2]=i;f[g>>2]=b+4}f[h>>2]=r<<32-(f[c>>2]|0);k=y;return k|0}r=a+1100|0;h=f[r>>2]|y<<28>>>w;f[r>>2]=h;b=w+4|0;f[c>>2]=b;if((b|0)!=32){k=y;return k|0}b=a+1092|0;w=f[b>>2]|0;if((w|0)==(f[a+1096>>2]|0))Ri(x,r);else{f[w>>2]=h;f[b>>2]=w+4}f[r>>2]=0;f[c>>2]=0;k=y;return k|0}function Sd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0;c=a+4|0;if(!b){d=f[a>>2]|0;f[a>>2]=0;if(d|0)Oq(d);f[c>>2]=0;return}if(b>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}d=ln(b<<2)|0;e=f[a>>2]|0;f[a>>2]=d;if(e|0)Oq(e);f[c>>2]=b;c=0;do{f[(f[a>>2]|0)+(c<<2)>>2]=0;c=c+1|0}while((c|0)!=(b|0));c=a+8|0;e=f[c>>2]|0;if(!e)return;d=f[e+4>>2]|0;g=b+-1|0;h=(g&b|0)==0;if(!h)if(d>>>0>>0)i=d;else i=(d>>>0)%(b>>>0)|0;else i=d&g;f[(f[a>>2]|0)+(i<<2)>>2]=c;c=f[e>>2]|0;if(!c)return;else{j=i;k=e;l=c;m=e}a:while(1){b:do if(h){e=k;c=l;i=m;while(1){d=c;while(1){n=f[d+4>>2]&g;if((n|0)==(j|0))break;o=(f[a>>2]|0)+(n<<2)|0;if(!(f[o>>2]|0)){p=d;q=i;r=n;s=o;break b}o=d+8|0;t=d;while(1){u=f[t>>2]|0;if(!u)break;if((f[o>>2]|0)==(f[u+8>>2]|0))t=u;else break}f[i>>2]=u;f[t>>2]=f[f[(f[a>>2]|0)+(n<<2)>>2]>>2];f[f[(f[a>>2]|0)+(n<<2)>>2]>>2]=d;o=f[e>>2]|0;if(!o){v=37;break a}else d=o}c=f[d>>2]|0;if(!c){v=37;break a}else{e=d;i=d}}}else{i=k;e=l;c=m;while(1){o=e;while(1){w=f[o+4>>2]|0;if(w>>>0>>0)x=w;else x=(w>>>0)%(b>>>0)|0;if((x|0)==(j|0))break;w=(f[a>>2]|0)+(x<<2)|0;if(!(f[w>>2]|0)){p=o;q=c;r=x;s=w;break b}w=o+8|0;y=o;while(1){z=f[y>>2]|0;if(!z)break;if((f[w>>2]|0)==(f[z+8>>2]|0))y=z;else break}f[c>>2]=z;f[y>>2]=f[f[(f[a>>2]|0)+(x<<2)>>2]>>2];f[f[(f[a>>2]|0)+(x<<2)>>2]>>2]=o;w=f[i>>2]|0;if(!w){v=37;break a}else o=w}e=f[o>>2]|0;if(!e){v=37;break a}else{i=o;c=o}}}while(0);f[s>>2]=q;l=f[p>>2]|0;if(!l){v=37;break}else{j=r;k=p;m=p}}if((v|0)==37)return}function Td(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;d=a+4|0;if(!c){e=f[a>>2]|0;f[a>>2]=0;if(e|0)Oq(e);f[d>>2]=0;return}if(c>>>0>1073741823){e=ra(8)|0;Oo(e,16035);f[e>>2]=7256;va(e|0,1112,110)}e=ln(c<<2)|0;g=f[a>>2]|0;f[a>>2]=e;if(g|0)Oq(g);f[d>>2]=c;d=0;do{f[(f[a>>2]|0)+(d<<2)>>2]=0;d=d+1|0}while((d|0)!=(c|0));d=a+8|0;g=f[d>>2]|0;if(!g)return;e=f[g+4>>2]|0;h=c+-1|0;i=(h&c|0)==0;if(!i)if(e>>>0>>0)j=e;else j=(e>>>0)%(c>>>0)|0;else j=e&h;f[(f[a>>2]|0)+(j<<2)>>2]=d;d=f[g>>2]|0;if(!d)return;e=a+24|0;k=j;j=g;l=d;d=g;a:while(1){g=j;m=l;n=d;b:while(1){o=m;while(1){p=f[o+4>>2]|0;if(!i)if(p>>>0>>0)q=p;else q=(p>>>0)%(c>>>0)|0;else q=p&h;if((q|0)==(k|0))break;r=(f[a>>2]|0)+(q<<2)|0;if(!(f[r>>2]|0))break b;p=f[o>>2]|0;c:do if(!p)s=o;else{t=f[o+8>>2]|0;u=f[e>>2]|0;v=f[u+8>>2]|0;w=(f[u+12>>2]|0)-v|0;u=v;v=w>>>2;if((w|0)>0){x=o;y=p}else{w=p;while(1){z=f[w>>2]|0;if(!z){s=w;break c}else w=z}}while(1){w=f[y+8>>2]|0;z=0;do{A=f[u+(z<<2)>>2]|0;if(!(b[A+84>>0]|0)){B=f[A+68>>2]|0;C=f[B+(w<<2)>>2]|0;D=f[B+(t<<2)>>2]|0}else{C=w;D=t}z=z+1|0;if((D|0)!=(C|0)){s=x;break c}}while((z|0)<(v|0));z=f[y>>2]|0;if(!z){s=y;break}else{w=y;y=z;x=w}}}while(0);f[n>>2]=f[s>>2];f[s>>2]=f[f[(f[a>>2]|0)+(q<<2)>>2]>>2];f[f[(f[a>>2]|0)+(q<<2)>>2]>>2]=o;p=f[g>>2]|0;if(!p){E=38;break a}else o=p}m=f[o>>2]|0;if(!m){E=38;break a}else{g=o;n=o}}f[r>>2]=n;l=f[o>>2]|0;if(!l){E=38;break}else{k=q;j=o;d=o}}if((E|0)==38)return}function Ud(a,c){a=a|0;c=c|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0;e=u;u=u+16|0;g=e+4|0;h=e;i=e+12|0;j=e+11|0;k=e+10|0;l=e+8|0;m=c+44|0;n=f[m>>2]|0;o=n+16|0;p=f[o+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0)){f[h>>2]=f[n+4>>2];f[g>>2]=f[h>>2];Me(n,g,15886,15891)|0}n=Qa[f[(f[c>>2]|0)+8>>2]&127](c)|0;b[i>>0]=n;b[j>>0]=2;b[k>>0]=(n&255|0)==0?3:2;n=f[m>>2]|0;o=n+16|0;p=f[o+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0)){f[h>>2]=f[n+4>>2];f[g>>2]=f[h>>2];Me(n,g,j,j+1|0)|0;j=f[m>>2]|0;o=j+16|0;p=f[o+4>>2]|0;if(!((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0)){f[h>>2]=f[j+4>>2];f[g>>2]=f[h>>2];Me(j,g,k,k+1|0)|0;k=f[m>>2]|0;o=k+16|0;p=f[o+4>>2]|0;if((p|0)>0|(p|0)==0&(f[o>>2]|0)>>>0>0){q=h;r=k}else{f[h>>2]=f[k+4>>2];f[g>>2]=f[h>>2];Me(k,g,i,i+1|0)|0;q=h;r=f[m>>2]|0}}else{s=h;t=j;v=6}}else{s=h;t=n;v=6}if((v|0)==6){q=h;r=t}t=Qa[f[(f[c>>2]|0)+12>>2]&127](c)|0;b[l>>0]=t;t=r+16|0;q=f[t+4>>2]|0;if(!((q|0)>0|(q|0)==0&(f[t>>2]|0)>>>0>0)){f[h>>2]=f[r+4>>2];f[g>>2]=f[h>>2];Me(r,g,l,l+1|0)|0}d[l>>1]=(f[(f[c+4>>2]|0)+4>>2]|0)==0?0:-32768;c=f[m>>2]|0;m=c+16|0;r=f[m+4>>2]|0;if((r|0)>0|(r|0)==0&(f[m>>2]|0)>>>0>0){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}f[h>>2]=f[c+4>>2];f[g>>2]=f[h>>2];Me(c,g,l,l+2|0)|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=e;return}function Vd(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0;e=u;u=u+176|0;g=e+136|0;h=e+104|0;i=e;j=e+72|0;k=ln(88)|0;l=f[c+8>>2]|0;f[k+4>>2]=0;f[k>>2]=3612;m=k+12|0;f[m>>2]=3636;n=k+64|0;f[n>>2]=0;f[k+68>>2]=0;f[k+72>>2]=0;o=k+16|0;p=o+44|0;do{f[o>>2]=0;o=o+4|0}while((o|0)<(p|0));f[k+76>>2]=l;f[k+80>>2]=d;q=k+84|0;f[q>>2]=0;r=k;f[h>>2]=3636;s=h+4|0;t=s+4|0;f[t>>2]=0;f[t+4>>2]=0;f[t+8>>2]=0;f[t+12>>2]=0;f[t+16>>2]=0;f[t+20>>2]=0;t=f[c+12>>2]|0;v=i+4|0;f[v>>2]=3636;w=i+56|0;f[w>>2]=0;x=i+60|0;f[x>>2]=0;f[i+64>>2]=0;o=i+8|0;p=o+44|0;do{f[o>>2]=0;o=o+4|0}while((o|0)<(p|0));o=t;f[s>>2]=o;s=((f[o+4>>2]|0)-(f[t>>2]|0)>>2>>>0)/3|0;b[g>>0]=0;qh(h+8|0,s,g);Va[f[(f[h>>2]|0)+8>>2]&127](h);Ff(j,h);Ff(g,j);f[i>>2]=f[g+4>>2];s=i+4|0;fg(s,g)|0;f[g>>2]=3636;o=f[g+20>>2]|0;if(o|0)Oq(o);o=f[g+8>>2]|0;if(o|0)Oq(o);f[i+36>>2]=t;f[i+40>>2]=d;f[i+44>>2]=l;f[i+48>>2]=k;f[j>>2]=3636;l=f[j+20>>2]|0;if(l|0)Oq(l);l=f[j+8>>2]|0;if(l|0)Oq(l);f[q>>2]=c+72;f[k+8>>2]=f[i>>2];fg(m,s)|0;s=k+44|0;k=i+36|0;f[s>>2]=f[k>>2];f[s+4>>2]=f[k+4>>2];f[s+8>>2]=f[k+8>>2];f[s+12>>2]=f[k+12>>2];b[s+16>>0]=b[k+16>>0]|0;ng(n,f[w>>2]|0,f[x>>2]|0);f[a>>2]=r;r=f[w>>2]|0;if(r|0){w=f[x>>2]|0;if((w|0)!=(r|0))f[x>>2]=w+(~((w+-4-r|0)>>>2)<<2);Oq(r)}f[v>>2]=3636;v=f[i+24>>2]|0;if(v|0)Oq(v);v=f[i+12>>2]|0;if(v|0)Oq(v);f[h>>2]=3636;v=f[h+20>>2]|0;if(v|0)Oq(v);v=f[h+8>>2]|0;if(!v){u=e;return}Oq(v);u=e;return}function Wd(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=Oa,x=0,y=Oa,z=Oa,A=Oa;e=u;u=u+16|0;g=e;h=a+4|0;if((f[h>>2]|0)!=-1){i=0;u=e;return i|0}f[h>>2]=d;d=b[c+24>>0]|0;h=d<<24>>24;j=a+20|0;n[j>>2]=$(0.0);f[g>>2]=0;k=g+4|0;f[k>>2]=0;f[g+8>>2]=0;do if(d<<24>>24)if(d<<24>>24<0)aq(g);else{l=h<<2;m=ln(l)|0;f[g>>2]=m;o=m+(h<<2)|0;f[g+8>>2]=o;sj(m|0,0,l|0)|0;l=m+(h<<2)|0;f[k>>2]=l;p=m;q=l;r=o;break}else{p=0;q=0;r=0}while(0);k=a+8|0;g=f[k>>2]|0;o=a+12|0;if(!g)s=a+16|0;else{l=f[o>>2]|0;if((l|0)!=(g|0))f[o>>2]=l+(~((l+-4-g|0)>>>2)<<2);Oq(g);g=a+16|0;f[g>>2]=0;f[o>>2]=0;f[k>>2]=0;s=g}f[k>>2]=p;f[o>>2]=q;f[s>>2]=r;r=h>>>0>1073741823?-1:h<<2;s=Lq(r)|0;q=Lq(r)|0;r=c+48|0;o=f[r>>2]|0;g=c+40|0;a=f[g>>2]|0;l=f[c>>2]|0;kh(q|0,(f[l>>2]|0)+o|0,a|0)|0;kh(p|0,(f[l>>2]|0)+o|0,a|0)|0;a=r;r=f[a>>2]|0;o=f[a+4>>2]|0;a=g;g=f[a>>2]|0;l=f[a+4>>2]|0;a=f[c>>2]|0;kh(s|0,(f[a>>2]|0)+r|0,g|0)|0;p=f[c+80>>2]|0;a:do if(p>>>0>1){if(d<<24>>24<=0){c=1;while(1){m=un(g|0,l|0,c|0,0)|0;t=Vn(m|0,I|0,r|0,o|0)|0;kh(q|0,(f[a>>2]|0)+t|0,g|0)|0;c=c+1|0;if(c>>>0>=p>>>0)break a}}c=f[k>>2]|0;t=1;do{m=un(g|0,l|0,t|0,0)|0;v=Vn(m|0,I|0,r|0,o|0)|0;kh(q|0,(f[a>>2]|0)+v|0,g|0)|0;v=0;do{m=c+(v<<2)|0;w=$(n[m>>2]);x=q+(v<<2)|0;y=$(n[x>>2]);if(w>y){n[m>>2]=y;z=$(n[x>>2])}else z=y;x=s+(v<<2)|0;if($(n[x>>2])>2]=z;v=v+1|0}while((v|0)!=(h|0));t=t+1|0}while(t>>>0

>>0)}while(0);if(d<<24>>24>0){d=f[k>>2]|0;k=0;z=$(n[j>>2]);while(1){y=$(n[s+(k<<2)>>2]);w=$(y-$(n[d+(k<<2)>>2]));if(w>z){n[j>>2]=w;A=w}else A=z;k=k+1|0;if((k|0)==(h|0))break;else z=A}}Mq(q);Mq(s);i=1;u=e;return i|0}function Xd(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0;g=a+8|0;Mh(g,b,d,e);h=d-e|0;if((h|0)>0){d=0-e|0;i=a+16|0;j=a+32|0;k=a+12|0;l=a+28|0;m=a+20|0;n=a+24|0;o=h;h=f[g>>2]|0;while(1){p=b+(o<<2)|0;q=c+(o<<2)|0;if((h|0)>0){r=0;s=p+(d<<2)|0;t=h;while(1){if((t|0)>0){u=0;do{v=f[s+(u<<2)>>2]|0;w=f[i>>2]|0;if((v|0)>(w|0)){x=f[j>>2]|0;f[x+(u<<2)>>2]=w;y=x}else{x=f[k>>2]|0;w=f[j>>2]|0;f[w+(u<<2)>>2]=(v|0)<(x|0)?x:v;y=w}u=u+1|0}while((u|0)<(f[g>>2]|0));z=y}else z=f[j>>2]|0;u=(f[p+(r<<2)>>2]|0)-(f[z+(r<<2)>>2]|0)|0;w=q+(r<<2)|0;f[w>>2]=u;if((u|0)>=(f[l>>2]|0)){if((u|0)>(f[n>>2]|0)){A=u-(f[m>>2]|0)|0;B=31}}else{A=(f[m>>2]|0)+u|0;B=31}if((B|0)==31){B=0;f[w>>2]=A}r=r+1|0;w=f[g>>2]|0;if((r|0)>=(w|0)){C=w;break}else{s=z;t=w}}}else C=h;o=o-e|0;if((o|0)<=0){D=C;break}else h=C}}else D=f[g>>2]|0;C=e>>>0>1073741823?-1:e<<2;e=Lq(C)|0;sj(e|0,0,C|0)|0;if((D|0)<=0){Mq(e);return 1}C=a+16|0;h=a+32|0;o=a+12|0;z=a+28|0;A=a+20|0;m=a+24|0;a=0;n=e;l=D;while(1){if((l|0)>0){D=0;do{j=f[n+(D<<2)>>2]|0;y=f[C>>2]|0;if((j|0)>(y|0)){k=f[h>>2]|0;f[k+(D<<2)>>2]=y;E=k}else{k=f[o>>2]|0;y=f[h>>2]|0;f[y+(D<<2)>>2]=(j|0)<(k|0)?k:j;E=y}D=D+1|0}while((D|0)<(f[g>>2]|0));F=E}else F=f[h>>2]|0;D=(f[b+(a<<2)>>2]|0)-(f[F+(a<<2)>>2]|0)|0;y=c+(a<<2)|0;f[y>>2]=D;if((D|0)>=(f[z>>2]|0)){if((D|0)>(f[m>>2]|0)){G=D-(f[A>>2]|0)|0;B=16}}else{G=(f[A>>2]|0)+D|0;B=16}if((B|0)==16){B=0;f[y>>2]=G}a=a+1|0;l=f[g>>2]|0;if((a|0)>=(l|0))break;else n=F}Mq(e);return 1}function Yd(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;e=f[a>>2]|0;g=e;h=(f[b>>2]|0)-g|0;b=e+(h>>2<<2)|0;i=f[c>>2]|0;c=f[d>>2]|0;d=c-i|0;j=d>>2;k=i;l=c;if((d|0)<=0){m=b;return m|0}d=a+8|0;n=f[d>>2]|0;o=a+4|0;p=f[o>>2]|0;q=p;if((j|0)<=(n-q>>2|0)){r=b;s=q-r|0;t=s>>2;if((j|0)>(t|0)){u=k+(t<<2)|0;t=u;if((u|0)==(l|0))v=p;else{w=l+-4-t|0;x=u;u=p;while(1){f[u>>2]=f[x>>2];x=x+4|0;if((x|0)==(l|0))break;else u=u+4|0}u=p+((w>>>2)+1<<2)|0;f[o>>2]=u;v=u}if((s|0)>0){y=t;z=v}else{m=b;return m|0}}else{y=c;z=p}c=z-(b+(j<<2))>>2;v=b+(c<<2)|0;if(v>>>0

>>0){t=(p+(0-c<<2)+~r|0)>>>2;r=v;s=z;while(1){f[s>>2]=f[r>>2];r=r+4|0;if(r>>>0>=p>>>0)break;else s=s+4|0}f[o>>2]=z+(t+1<<2)}if(c|0){c=v;v=z;do{c=c+-4|0;v=v+-4|0;f[v>>2]=f[c>>2]}while((c|0)!=(b|0))}c=y;if((k|0)==(c|0)){m=b;return m|0}else{A=b;B=k}while(1){f[A>>2]=f[B>>2];B=B+4|0;if((B|0)==(c|0)){m=b;break}else A=A+4|0}return m|0}A=(q-g>>2)+j|0;if(A>>>0>1073741823)aq(a);j=n-g|0;g=j>>1;n=j>>2>>>0<536870911?(g>>>0>>0?A:g):1073741823;g=b;A=h>>2;do if(n)if(n>>>0>1073741823){j=ra(8)|0;Oo(j,16035);f[j>>2]=7256;va(j|0,1112,110)}else{j=ln(n<<2)|0;C=j;D=j;break}else{C=0;D=0}while(0);j=D+(A<<2)|0;A=D+(n<<2)|0;if((l|0)==(k|0))E=j;else{n=((l+-4-i|0)>>>2)+1|0;i=k;k=j;while(1){f[k>>2]=f[i>>2];i=i+4|0;if((i|0)==(l|0))break;else k=k+4|0}E=j+(n<<2)|0}if((h|0)>0)kh(C|0,e|0,h|0)|0;h=q-g|0;if((h|0)>0){kh(E|0,b|0,h|0)|0;F=E+(h>>>2<<2)|0}else F=E;f[a>>2]=D;f[o>>2]=F;f[d>>2]=A;if(!e){m=j;return m|0}Oq(e);m=j;return m|0}function Zd(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0;c=u;u=u+48|0;d=c+40|0;e=c+36|0;g=c+32|0;h=c;i=a+60|0;ci(f[i>>2]|0,b)|0;wn(h);tk(h);j=f[a+56>>2]|0;k=f[i>>2]|0;i=k>>>5;l=j+(i<<2)|0;m=k&31;k=(i|0)!=0;a:do if(i|m|0){if(!m){n=1;o=j;p=k;while(1){if(p){q=n;r=0;while(1){s=(f[o>>2]&1<>2]&1<>2]&1<>2]&1<>2]=f[a+12>>2];m=b+16|0;w=m;v=f[w>>2]|0;j=f[w+4>>2]|0;if((j|0)>0|(j|0)==0&v>>>0>0){x=j;y=v}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;v=m;x=f[v+4>>2]|0;y=f[v>>2]|0}f[g>>2]=f[a+20>>2];if((x|0)>0|(x|0)==0&y>>>0>0){Fj(h);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;Fj(h);u=c;return 1}function _d(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;switch(b-a>>2|0){case 2:{d=b+-4|0;e=f[d>>2]|0;g=f[a>>2]|0;h=f[c>>2]|0;i=f[h>>2]|0;j=(f[h+4>>2]|0)-i>>3;if(j>>>0<=e>>>0)aq(h);k=i;if(j>>>0<=g>>>0)aq(h);if((f[k+(e<<3)>>2]|0)>>>0>=(f[k+(g<<3)>>2]|0)>>>0){l=1;return l|0}f[a>>2]=e;f[d>>2]=g;l=1;return l|0}case 3:{Vg(a,a+4|0,b+-4|0,c)|0;l=1;return l|0}case 4:{jh(a,a+4|0,a+8|0,b+-4|0,c)|0;l=1;return l|0}case 5:{ig(a,a+4|0,a+8|0,a+12|0,b+-4|0,c)|0;l=1;return l|0}case 1:case 0:{l=1;return l|0}default:{g=a+8|0;Vg(a,a+4|0,g,c)|0;d=a+12|0;a:do if((d|0)!=(b|0)){e=f[c>>2]|0;k=f[e>>2]|0;h=(f[e+4>>2]|0)-k>>3;j=k;k=d;i=0;m=g;b:while(1){n=f[k>>2]|0;o=f[m>>2]|0;if(h>>>0<=n>>>0){p=14;break}if(h>>>0<=o>>>0){p=16;break}q=j+(n<<3)|0;if((f[q>>2]|0)>>>0<(f[j+(o<<3)>>2]|0)>>>0){r=m;s=k;t=o;while(1){f[s>>2]=t;if((r|0)==(a|0)){u=a;break}o=r+-4|0;t=f[o>>2]|0;if(h>>>0<=t>>>0){p=20;break b}if((f[q>>2]|0)>>>0>=(f[j+(t<<3)>>2]|0)>>>0){u=r;break}else{v=r;r=o;s=v}}f[u>>2]=n;s=i+1|0;if((s|0)==8){w=0;x=(k+4|0)==(b|0);break a}else y=s}else y=i;s=k+4|0;if((s|0)==(b|0)){w=1;x=0;break a}else{r=k;k=s;i=y;m=r}}if((p|0)==14)aq(e);else if((p|0)==16)aq(e);else if((p|0)==20)aq(e)}else{w=1;x=0}while(0);l=x|w;return l|0}}return 0}function $d(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0;c=u;u=u+48|0;d=c+40|0;e=c+36|0;g=c+32|0;h=c;i=a+80|0;ci(f[i>>2]|0,b)|0;wn(h);tk(h);j=f[a+76>>2]|0;k=f[i>>2]|0;i=k>>>5;l=j+(i<<2)|0;m=k&31;k=(i|0)!=0;a:do if(i|m|0){if(!m){n=1;o=j;p=k;while(1){if(p){q=n;r=0;while(1){s=(f[o>>2]&1<>2]&1<>2]&1<>2]&1<>2]=f[a+12>>2];m=b+16|0;w=m;v=f[w>>2]|0;j=f[w+4>>2]|0;if((j|0)>0|(j|0)==0&v>>>0>0){x=j;y=v}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;v=m;x=f[v+4>>2]|0;y=f[v>>2]|0}f[g>>2]=f[a+16>>2];if((x|0)>0|(x|0)==0&y>>>0>0){Fj(h);u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;Fj(h);u=c;return 1}function ae(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;h=u;u=u+16|0;i=h+4|0;j=h;f[a+72>>2]=e;f[a+64>>2]=g;g=Lq(e>>>0>1073741823?-1:e<<2)|0;k=a+68|0;l=f[k>>2]|0;f[k>>2]=g;if(l|0)Mq(l);l=a+8|0;Mh(l,b,d,e);d=a+56|0;g=f[d>>2]|0;m=f[g+4>>2]|0;n=f[g>>2]|0;o=m-n|0;if((o|0)<=0){u=h;return 1}p=(o>>>2)+-1|0;o=a+16|0;q=a+32|0;r=a+12|0;s=a+28|0;t=a+20|0;v=a+24|0;if(m-n>>2>>>0>p>>>0){w=p;x=n}else{y=g;aq(y)}while(1){f[j>>2]=f[x+(w<<2)>>2];f[i>>2]=f[j>>2];Dc(a,i,b,w);g=X(w,e)|0;n=b+(g<<2)|0;p=c+(g<<2)|0;g=f[l>>2]|0;if((g|0)>0){m=0;z=f[k>>2]|0;A=g;while(1){if((A|0)>0){g=0;do{B=f[z+(g<<2)>>2]|0;C=f[o>>2]|0;if((B|0)>(C|0)){D=f[q>>2]|0;f[D+(g<<2)>>2]=C;E=D}else{D=f[r>>2]|0;C=f[q>>2]|0;f[C+(g<<2)>>2]=(B|0)<(D|0)?D:B;E=C}g=g+1|0}while((g|0)<(f[l>>2]|0));F=E}else F=f[q>>2]|0;g=(f[n+(m<<2)>>2]|0)-(f[F+(m<<2)>>2]|0)|0;C=p+(m<<2)|0;f[C>>2]=g;if((g|0)>=(f[s>>2]|0)){if((g|0)>(f[v>>2]|0)){G=g-(f[t>>2]|0)|0;H=21}}else{G=(f[t>>2]|0)+g|0;H=21}if((H|0)==21){H=0;f[C>>2]=G}m=m+1|0;A=f[l>>2]|0;if((m|0)>=(A|0))break;else z=F}}w=w+-1|0;if((w|0)<=-1){H=5;break}z=f[d>>2]|0;x=f[z>>2]|0;if((f[z+4>>2]|0)-x>>2>>>0<=w>>>0){y=z;H=6;break}}if((H|0)==5){u=h;return 1}else if((H|0)==6)aq(y);return 0} +function $a(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0;b=u;u=u+16|0;c=b;do if(a>>>0<245){d=a>>>0<11?16:a+11&-8;e=d>>>3;g=f[4784]|0;h=g>>>e;if(h&3|0){i=(h&1^1)+e|0;j=19176+(i<<1<<2)|0;k=j+8|0;l=f[k>>2]|0;m=l+8|0;n=f[m>>2]|0;if((n|0)==(j|0))f[4784]=g&~(1<>2]=j;f[k>>2]=n}n=i<<3;f[l+4>>2]=n|3;i=l+n+4|0;f[i>>2]=f[i>>2]|1;o=m;u=b;return o|0}m=f[4786]|0;if(d>>>0>m>>>0){if(h|0){i=2<>>12&16;e=i>>>n;i=e>>>5&8;h=e>>>i;e=h>>>2&4;l=h>>>e;h=l>>>1&2;k=l>>>h;l=k>>>1&1;j=(i|n|e|h|l)+(k>>>l)|0;l=19176+(j<<1<<2)|0;k=l+8|0;h=f[k>>2]|0;e=h+8|0;n=f[e>>2]|0;if((n|0)==(l|0)){i=g&~(1<>2]=l;f[k>>2]=n;p=g}n=j<<3;j=n-d|0;f[h+4>>2]=d|3;k=h+d|0;f[k+4>>2]=j|1;f[h+n>>2]=j;if(m|0){n=f[4789]|0;h=m>>>3;l=19176+(h<<1<<2)|0;i=1<>2]|0;r=i}f[r>>2]=n;f[q+12>>2]=n;f[n+8>>2]=q;f[n+12>>2]=l}f[4786]=j;f[4789]=k;o=e;u=b;return o|0}e=f[4785]|0;if(e){k=(e&0-e)+-1|0;j=k>>>12&16;l=k>>>j;k=l>>>5&8;n=l>>>k;l=n>>>2&4;i=n>>>l;n=i>>>1&2;h=i>>>n;i=h>>>1&1;s=f[19440+((k|j|l|n|i)+(h>>>i)<<2)>>2]|0;i=(f[s+4>>2]&-8)-d|0;h=f[s+16+(((f[s+16>>2]|0)==0&1)<<2)>>2]|0;if(!h){t=s;v=i}else{n=s;s=i;i=h;while(1){h=(f[i+4>>2]&-8)-d|0;l=h>>>0>>0;j=l?h:s;h=l?i:n;i=f[i+16+(((f[i+16>>2]|0)==0&1)<<2)>>2]|0;if(!i){t=h;v=j;break}else{n=h;s=j}}}s=t+d|0;if(s>>>0>t>>>0){n=f[t+24>>2]|0;i=f[t+12>>2]|0;do if((i|0)==(t|0)){j=t+20|0;h=f[j>>2]|0;if(!h){l=t+16|0;k=f[l>>2]|0;if(!k){w=0;break}else{x=k;y=l}}else{x=h;y=j}while(1){j=x+20|0;h=f[j>>2]|0;if(h|0){x=h;y=j;continue}j=x+16|0;h=f[j>>2]|0;if(!h)break;else{x=h;y=j}}f[y>>2]=0;w=x}else{j=f[t+8>>2]|0;f[j+12>>2]=i;f[i+8>>2]=j;w=i}while(0);do 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la=19584;while(1){ha=f[la>>2]|0;if(ha>>>0<=ca>>>0?(va=ha+(f[la+4>>2]|0)|0,va>>>0>ca>>>0):0)break;la=f[la+8>>2]|0}ga=va+-47|0;ha=ga+8|0;c=ga+((ha&7|0)==0?0:0-ha&7)|0;ha=ca+16|0;ga=c>>>0>>0?ca:c;c=ga+8|0;aa=da+-40|0;fa=ea+8|0;S=(fa&7|0)==0?0:0-fa&7;fa=ea+S|0;ba=aa-S|0;f[4790]=fa;f[4787]=ba;f[fa+4>>2]=ba|1;f[ea+aa+4>>2]=40;f[4791]=f[4906];aa=ga+4|0;f[aa>>2]=27;f[c>>2]=f[4896];f[c+4>>2]=f[4897];f[c+8>>2]=f[4898];f[c+12>>2]=f[4899];f[4896]=ea;f[4897]=da;f[4899]=0;f[4898]=c;c=ga+24|0;do{ba=c;c=c+4|0;f[c>>2]=7}while((ba+8|0)>>>0>>0);if((ga|0)!=(ca|0)){c=ga-ca|0;f[aa>>2]=f[aa>>2]&-2;f[ca+4>>2]=c|1;f[ga>>2]=c;ba=c>>>3;if(c>>>0<256){fa=19176+(ba<<1<<2)|0;S=f[4784]|0;j=1<>2]|0;xa=j}f[xa>>2]=ca;f[wa+12>>2]=ca;f[ca+8>>2]=wa;f[ca+12>>2]=fa;break}fa=c>>>8;if(fa)if(c>>>0>16777215)ya=31;else{j=(fa+1048320|0)>>>16&8;S=fa<>>16&4;ba=S<>>16&2;Z=14-(fa|j|S)+(ba<>>15)|0;ya=c>>>(Z+7|0)&1|Z<<1}else ya=0;Z=19440+(ya<<2)|0;f[ca+28>>2]=ya;f[ca+20>>2]=0;f[ha>>2]=0;S=f[4785]|0;ba=1<>2]=ca;f[ca+24>>2]=Z;f[ca+12>>2]=ca;f[ca+8>>2]=ca;break}ba=c<<((ya|0)==31?0:25-(ya>>>1)|0);S=f[Z>>2]|0;while(1){if((f[S+4>>2]&-8|0)==(c|0)){H=213;break}za=S+16+(ba>>>31<<2)|0;Z=f[za>>2]|0;if(!Z){H=212;break}else{ba=ba<<1;S=Z}}if((H|0)==212){f[za>>2]=ca;f[ca+24>>2]=S;f[ca+12>>2]=ca;f[ca+8>>2]=ca;break}else if((H|0)==213){ba=S+8|0;c=f[ba>>2]|0;f[c+12>>2]=ca;f[ba>>2]=ca;f[ca+8>>2]=c;f[ca+12>>2]=S;f[ca+24>>2]=0;break}}}else{c=f[4788]|0;if((c|0)==0|ea>>>0>>0)f[4788]=ea;f[4896]=ea;f[4897]=da;f[4899]=0;f[4793]=f[4902];f[4792]=-1;f[4797]=19176;f[4796]=19176;f[4799]=19184;f[4798]=19184;f[4801]=19192;f[4800]=19192;f[4803]=19200;f[4802]=19200;f[4805]=19208;f[4804]=19208;f[4807]=19216;f[4806]=19216;f[4809]=19224;f[4808]=19224;f[4811]=19232;f[4810]=19232;f[4813]=19240;f[4812]=19240;f[4815]=19248;f[4814]=19248;f[4817]=19256;f[4816]=19256;f[4819]=19264;f[4818]=19264;f[4821]=19272;f[4820]=19272;f[4823]=19280;f[4822]=19280;f[4825]=19288;f[4824]=19288;f[4827]=19296;f[4826]=19296;f[4829]=19304;f[4828]=19304;f[4831]=19312;f[4830]=19312;f[4833]=19320;f[4832]=19320;f[4835]=19328;f[4834]=19328;f[4837]=19336;f[4836]=19336;f[4839]=19344;f[4838]=19344;f[4841]=19352;f[4840]=19352;f[4843]=19360;f[4842]=19360;f[4845]=19368;f[4844]=19368;f[4847]=19376;f[4846]=19376;f[4849]=19384;f[4848]=19384;f[4851]=19392;f[4850]=19392;f[4853]=19400;f[4852]=19400;f[4855]=19408;f[4854]=19408;f[4857]=19416;f[4856]=19416;f[4859]=19424;f[4858]=19424;c=da+-40|0;ba=ea+8|0;ha=(ba&7|0)==0?0:0-ba&7;ba=ea+ha|0;ga=c-ha|0;f[4790]=ba;f[4787]=ga;f[ba+4>>2]=ga|1;f[ea+c+4>>2]=40;f[4791]=f[4906]}while(0);ea=f[4787]|0;if(ea>>>0>B>>>0){da=ea-B|0;f[4787]=da;ea=f[4790]|0;ca=ea+B|0;f[4790]=ca;f[ca+4>>2]=da|1;f[ea+4>>2]=B|3;o=ea+8|0;u=b;return o|0}}ea=Vq()|0;f[ea>>2]=12;o=0;u=b;return o|0}function ab(a,c,d,e,g,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0.0,Wa=0.0,Xa=0.0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0,Hb=0,Ib=0,Jb=0,Kb=0,Lb=0,Mb=0,Nb=0,Ob=0;i=u;u=u+240|0;j=i+104|0;k=i+224|0;l=i+176|0;m=i+160|0;n=i+228|0;o=i+72|0;p=i+40|0;q=i+132|0;r=i;s=i+172|0;t=i+156|0;v=i+152|0;w=i+148|0;x=i+144|0;y=i+128|0;z=a+8|0;Mh(z,c,e,g);e=f[a+48>>2]|0;A=f[a+52>>2]|0;B=l;C=B+48|0;do{f[B>>2]=0;B=B+4|0}while((B|0)<(C|0));if(!g){D=0;E=0}else{Ci(l,g);D=f[l+12>>2]|0;E=f[l+16>>2]|0}B=l+16|0;C=E-D>>2;F=D;D=E;if(C>>>0>=g>>>0){if(C>>>0>g>>>0?(E=F+(g<<2)|0,(E|0)!=(D|0)):0)f[B>>2]=D+(~((D+-4-E|0)>>>2)<<2)}else Ci(l+12|0,g-C|0);C=l+24|0;E=l+28|0;D=f[E>>2]|0;B=f[C>>2]|0;F=D-B>>2;G=B;B=D;if(F>>>0>=g>>>0){if(F>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[E>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else Ci(C,g-F|0);F=l+36|0;C=l+40|0;D=f[C>>2]|0;B=f[F>>2]|0;E=D-B>>2;G=B;B=D;if(E>>>0>=g>>>0){if(E>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[C>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else Ci(F,g-E|0);f[m>>2]=0;E=m+4|0;f[E>>2]=0;f[m+8>>2]=0;F=(g|0)==0;do if(!F)if(g>>>0>1073741823)aq(m);else{D=g<<2;B=ln(D)|0;f[m>>2]=B;C=B+(g<<2)|0;f[m+8>>2]=C;sj(B|0,0,D|0)|0;f[E>>2]=C;break}while(0);C=a+152|0;D=a+156|0;B=f[D>>2]|0;G=f[C>>2]|0;H=B-G>>2;L=G;G=B;if(H>>>0>=g>>>0){if(H>>>0>g>>>0?(B=L+(g<<2)|0,(B|0)!=(G|0)):0)f[D>>2]=G+(~((G+-4-B|0)>>>2)<<2)}else Ci(C,g-H|0);f[o>>2]=0;f[o+4>>2]=0;f[o+8>>2]=0;f[o+12>>2]=0;f[o+16>>2]=0;f[o+20>>2]=0;f[o+24>>2]=0;f[o+28>>2]=0;f[p>>2]=0;f[p+4>>2]=0;f[p+8>>2]=0;f[p+12>>2]=0;f[p+16>>2]=0;f[p+20>>2]=0;f[p+24>>2]=0;f[p+28>>2]=0;f[q>>2]=0;H=q+4|0;f[H>>2]=0;f[q+8>>2]=0;if(F){M=0;N=0;O=0;P=0}else{F=g<<2;B=ln(F)|0;f[q>>2]=B;G=B+(g<<2)|0;f[q+8>>2]=G;sj(B|0,0,F|0)|0;f[H>>2]=G;M=B;N=G;O=G;P=B}B=a+56|0;G=f[B>>2]|0;F=f[G+4>>2]|0;D=f[G>>2]|0;L=F-D|0;a:do if((L|0)>4){Q=L>>2;R=e+64|0;S=e+28|0;T=(g|0)>0;U=r+4|0;V=r+8|0;Z=r+12|0;_=a+152|0;$=a+112|0;aa=r+16|0;ba=r+28|0;ca=a+16|0;da=a+32|0;ea=a+12|0;fa=a+28|0;ga=a+20|0;ha=a+24|0;ia=r+28|0;ja=r+16|0;ka=r+20|0;la=r+32|0;ma=n+1|0;na=g<<2;oa=(g|0)==1;pa=Q+-1|0;if(F-D>>2>>>0>pa>>>0){qa=Q;ra=pa;sa=D;ta=P;ua=O;va=M;wa=M;xa=N;ya=M;za=N}else{Aa=G;aq(Aa)}b:while(1){pa=f[sa+(ra<<2)>>2]|0;Q=(((pa>>>0)%3|0|0)==0?2:-1)+pa|0;Ba=Q>>>5;Ca=1<<(Q&31);Da=(pa|0)==-1|(Q|0)==-1;Ea=1;Fa=0;Ga=pa;c:while(1){Ha=Ea^1;Ia=Fa;Ja=Ga;while(1){if((Ja|0)==-1){Ka=Ia;break c}La=f[l+(Ia*12|0)>>2]|0;if(((f[(f[e>>2]|0)+(Ja>>>5<<2)>>2]&1<<(Ja&31)|0)==0?(Ma=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ja<<2)>>2]|0,(Ma|0)!=-1):0)?(Na=f[S>>2]|0,Oa=f[A>>2]|0,Pa=f[Oa+(f[Na+(Ma<<2)>>2]<<2)>>2]|0,Qa=Ma+1|0,Ra=f[Oa+(f[Na+((((Qa>>>0)%3|0|0)==0?Ma+-2|0:Qa)<<2)>>2]<<2)>>2]|0,Qa=f[Oa+(f[Na+((((Ma>>>0)%3|0|0)==0?2:-1)+Ma<<2)>>2]<<2)>>2]|0,(Pa|0)<(ra|0)&(Ra|0)<(ra|0)&(Qa|0)<(ra|0)):0){Ma=X(Pa,g)|0;Pa=X(Ra,g)|0;Ra=X(Qa,g)|0;if(T){Qa=0;do{f[La+(Qa<<2)>>2]=(f[c+(Qa+Ra<<2)>>2]|0)+(f[c+(Qa+Pa<<2)>>2]|0)-(f[c+(Qa+Ma<<2)>>2]|0);Qa=Qa+1|0}while((Qa|0)!=(g|0))}Qa=Ia+1|0;if((Qa|0)==4){Ka=4;break c}else Sa=Qa}else Sa=Ia;do if(Ea){Qa=Ja+1|0;Ma=((Qa>>>0)%3|0|0)==0?Ja+-2|0:Qa;if(((Ma|0)!=-1?(f[(f[e>>2]|0)+(Ma>>>5<<2)>>2]&1<<(Ma&31)|0)==0:0)?(Qa=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ma<<2)>>2]|0,Ma=Qa+1|0,(Qa|0)!=-1):0)Ta=((Ma>>>0)%3|0|0)==0?Qa+-2|0:Ma;else Ta=-1}else{Ma=(((Ja>>>0)%3|0|0)==0?2:-1)+Ja|0;if(((Ma|0)!=-1?(f[(f[e>>2]|0)+(Ma>>>5<<2)>>2]&1<<(Ma&31)|0)==0:0)?(Qa=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ma<<2)>>2]|0,(Qa|0)!=-1):0)if(!((Qa>>>0)%3|0)){Ta=Qa+2|0;break}else{Ta=Qa+-1|0;break}else Ta=-1}while(0);if((Ta|0)==(pa|0)){Ka=Sa;break c}if((Ta|0)!=-1|Ha){Ia=Sa;Ja=Ta}else break}if(Da){Ea=0;Fa=Sa;Ga=-1;continue}if(f[(f[e>>2]|0)+(Ba<<2)>>2]&Ca|0){Ea=0;Fa=Sa;Ga=-1;continue}Ja=f[(f[(f[R>>2]|0)+12>>2]|0)+(Q<<2)>>2]|0;if((Ja|0)==-1){Ea=0;Fa=Sa;Ga=-1;continue}if(!((Ja>>>0)%3|0)){Ea=0;Fa=Sa;Ga=Ja+2|0;continue}else{Ea=0;Fa=Sa;Ga=Ja+-1|0;continue}}Ga=X(ra,g)|0;f[r>>2]=0;f[U>>2]=0;b[V>>0]=0;f[Z>>2]=0;f[Z+4>>2]=0;f[Z+8>>2]=0;f[Z+12>>2]=0;f[Z+16>>2]=0;f[Z+20>>2]=0;f[Z+24>>2]=0;Fa=Ka+-1|0;Ea=p+(Fa<<3)|0;Q=Ea;Ca=Vn(f[Q>>2]|0,f[Q+4>>2]|0,Ka|0,((Ka|0)<0)<<31>>31|0)|0;Q=I;Ba=Ea;f[Ba>>2]=Ca;f[Ba+4>>2]=Q;Ba=c+((X(qa+-2|0,g)|0)<<2)|0;Ea=c+(Ga<<2)|0;Da=f[_>>2]|0;if(T){pa=0;Ja=0;while(1){Ia=(f[Ba+(pa<<2)>>2]|0)-(f[Ea+(pa<<2)>>2]|0)|0;Ha=((Ia|0)>-1?Ia:0-Ia|0)+Ja|0;f[va+(pa<<2)>>2]=Ia;f[Da+(pa<<2)>>2]=Ia<<1^Ia>>31;pa=pa+1|0;if((pa|0)==(g|0)){Ua=Ha;break}else Ja=Ha}}else Ua=0;mo(j,$,Da,g);Ja=Zk(j)|0;pa=I;Ha=Bm(j)|0;Ia=I;Qa=o+(Fa<<3)|0;Ma=Qa;Pa=f[Ma>>2]|0;Ra=f[Ma+4>>2]|0;Va=+wm(Ca,Pa);Ma=Vn(Ha|0,Ia|0,Ja|0,pa|0)|0;Wa=+(Ca>>>0)+4294967296.0*+(Q|0);Xa=+W(+(Va*Wa));pa=Vn(Ma|0,I|0,~~Xa>>>0|0,(+K(Xa)>=1.0?(Xa>0.0?~~+Y(+J(Xa/4294967296.0),4294967295.0)>>>0:~~+W((Xa-+(~~Xa>>>0))/4294967296.0)>>>0):0)|0)|0;Ma=r;f[Ma>>2]=pa;f[Ma+4>>2]=Ua;b[V>>0]=0;f[Z>>2]=0;$f(aa,Ba,Ba+(g<<2)|0);f[s>>2]=ta;f[t>>2]=ua;f[k>>2]=f[s>>2];f[j>>2]=f[t>>2];Jf(ba,k,j);if((Ka|0)<1){Ya=za;Za=ya;_a=xa;$a=wa;ab=ua;bb=ta;cb=ta}else{Ma=n+Ka|0;pa=f[q>>2]|0;Ja=pa;Ia=f[H>>2]|0;Ha=Ma+-1|0;La=(Ha|0)==(n|0);Na=Ma+-2|0;Oa=ma>>>0>>0;db=~Ka;eb=Ka+2+((db|0)>-2?db:-2)|0;db=Ia;fb=Ha>>>0>n>>>0;gb=0;hb=1;while(1){gb=gb+1|0;sj(n|0,1,eb|0)|0;sj(n|0,0,gb|0)|0;ib=Vn(Pa|0,Ra|0,hb|0,0)|0;d:while(1){if(T){sj(f[m>>2]|0,0,na|0)|0;jb=f[m>>2]|0;kb=0;lb=0;while(1){if(!(b[n+kb>>0]|0)){mb=f[l+(kb*12|0)>>2]|0;nb=0;do{ob=jb+(nb<<2)|0;f[ob>>2]=(f[ob>>2]|0)+(f[mb+(nb<<2)>>2]|0);nb=nb+1|0}while((nb|0)!=(g|0));pb=(1<>0]|0))rb=(1<>2]|0;do if(T){f[kb>>2]=(f[kb>>2]|0)/(hb|0)|0;if(!oa){lb=1;do{jb=kb+(lb<<2)|0;f[jb>>2]=(f[jb>>2]|0)/(hb|0)|0;lb=lb+1|0}while((lb|0)!=(g|0));lb=f[_>>2]|0;if(T)sb=lb;else{tb=0;ub=lb;break}}else sb=f[_>>2]|0;lb=0;jb=0;while(1){nb=(f[kb+(lb<<2)>>2]|0)-(f[Ea+(lb<<2)>>2]|0)|0;mb=((nb|0)>-1?nb:0-nb|0)+jb|0;f[pa+(lb<<2)>>2]=nb;f[sb+(lb<<2)>>2]=nb<<1^nb>>31;lb=lb+1|0;if((lb|0)==(g|0)){tb=mb;ub=sb;break}else jb=mb}}else{tb=0;ub=f[_>>2]|0}while(0);mo(j,$,ub,g);kb=Zk(j)|0;jb=I;lb=Bm(j)|0;mb=I;Xa=+wm(Ca,ib);nb=Vn(lb|0,mb|0,kb|0,jb|0)|0;Va=+W(+(Xa*Wa));jb=Vn(nb|0,I|0,~~Va>>>0|0,(+K(Va)>=1.0?(Va>0.0?~~+Y(+J(Va/4294967296.0),4294967295.0)>>>0:~~+W((Va-+(~~Va>>>0))/4294967296.0)>>>0):0)|0)|0;nb=f[r>>2]|0;if(!((nb|0)<=(jb|0)?!((nb|0)>=(jb|0)?(tb|0)<(f[U>>2]|0):0):0)){nb=r;f[nb>>2]=jb;f[nb+4>>2]=tb;b[V>>0]=qb;f[Z>>2]=hb;f[v>>2]=f[m>>2];f[w>>2]=f[E>>2];f[k>>2]=f[v>>2];f[j>>2]=f[w>>2];Jf(aa,k,j);f[x>>2]=Ja;f[y>>2]=Ia;f[k>>2]=f[x>>2];f[j>>2]=f[y>>2];Jf(ba,k,j)}if(La)break;vb=b[Ha>>0]|0;nb=-1;jb=vb;while(1){kb=nb+-1|0;wb=Ma+kb|0;mb=jb;jb=b[wb>>0]|0;if((jb&255)<(mb&255))break;if((wb|0)==(n|0)){xb=84;break d}else nb=kb}kb=Ma+nb|0;if((jb&255)<(vb&255)){yb=Ha;zb=vb}else{mb=Ma;lb=Ha;while(1){ob=lb+-1|0;if((jb&255)<(h[mb+-2>>0]|0)){yb=ob;zb=1;break}else{Ab=lb;lb=ob;mb=Ab}}}b[wb>>0]=zb;b[yb>>0]=jb;if((nb|0)<-1){Bb=kb;Cb=Ha}else continue;while(1){mb=b[Bb>>0]|0;b[Bb>>0]=b[Cb>>0]|0;b[Cb>>0]=mb;mb=Bb+1|0;lb=Cb+-1|0;if(mb>>>0>>0){Bb=mb;Cb=lb}else continue d}}if(((xb|0)==84?(xb=0,fb):0)?(ib=b[n>>0]|0,b[n>>0]=vb,b[Ha>>0]=ib,Oa):0){ib=Na;kb=ma;do{nb=b[kb>>0]|0;b[kb>>0]=b[ib>>0]|0;b[ib>>0]=nb;kb=kb+1|0;ib=ib+-1|0}while(kb>>>0>>0)}if((hb|0)>=(Ka|0)){Ya=db;Za=pa;_a=db;$a=pa;ab=Ia;bb=Ja;cb=pa;break}else hb=hb+1|0}}hb=f[Z>>2]|0;pa=Vn(Pa|0,Ra|0,hb|0,((hb|0)<0)<<31>>31|0)|0;hb=Qa;f[hb>>2]=pa;f[hb+4>>2]=I;if(T){hb=f[ba>>2]|0;pa=f[C>>2]|0;Ja=0;do{Ia=f[hb+(Ja<<2)>>2]|0;f[pa+(Ja<<2)>>2]=Ia<<1^Ia>>31;Ja=Ja+1|0}while((Ja|0)!=(g|0));Db=pa}else Db=f[C>>2]|0;lo(j,$,Db,g);if((Ka|0)>0){Eb=a+60+(Fa*12|0)|0;pa=a+60+(Fa*12|0)+4|0;Ja=a+60+(Fa*12|0)+8|0;hb=0;do{Qa=f[pa>>2]|0;Ra=f[Ja>>2]|0;Pa=(Qa|0)==(Ra<<5|0);if(!(1<>0])){if(Pa){if((Qa+1|0)<0){xb=108;break b}Ia=Ra<<6;db=Qa+32&-32;vi(Eb,Qa>>>0<1073741823?(Ia>>>0>>0?db:Ia):2147483647);Fb=f[pa>>2]|0}else Fb=Qa;f[pa>>2]=Fb+1;Ia=(f[Eb>>2]|0)+(Fb>>>5<<2)|0;f[Ia>>2]=f[Ia>>2]|1<<(Fb&31)}else{if(Pa){if((Qa+1|0)<0){xb=113;break b}Pa=Ra<<6;Ra=Qa+32&-32;vi(Eb,Qa>>>0<1073741823?(Pa>>>0>>0?Ra:Pa):2147483647);Gb=f[pa>>2]|0}else Gb=Qa;f[pa>>2]=Gb+1;Qa=(f[Eb>>2]|0)+(Gb>>>5<<2)|0;f[Qa>>2]=f[Qa>>2]&~(1<<(Gb&31))}hb=hb+1|0}while((hb|0)<(Ka|0))}hb=d+(Ga<<2)|0;pa=f[z>>2]|0;if((pa|0)>0){Ja=0;Fa=f[aa>>2]|0;Qa=pa;while(1){if((Qa|0)>0){pa=0;do{Pa=f[Fa+(pa<<2)>>2]|0;Ra=f[ca>>2]|0;if((Pa|0)>(Ra|0)){Ia=f[da>>2]|0;f[Ia+(pa<<2)>>2]=Ra;Hb=Ia}else{Ia=f[ea>>2]|0;Ra=f[da>>2]|0;f[Ra+(pa<<2)>>2]=(Pa|0)<(Ia|0)?Ia:Pa;Hb=Ra}pa=pa+1|0}while((pa|0)<(f[z>>2]|0));Ib=Hb}else Ib=f[da>>2]|0;pa=(f[Ea+(Ja<<2)>>2]|0)-(f[Ib+(Ja<<2)>>2]|0)|0;Ra=hb+(Ja<<2)|0;f[Ra>>2]=pa;do if((pa|0)<(f[fa>>2]|0)){Jb=(f[ga>>2]|0)+pa|0;xb=103}else{if((pa|0)<=(f[ha>>2]|0))break;Jb=pa-(f[ga>>2]|0)|0;xb=103}while(0);if((xb|0)==103){xb=0;f[Ra>>2]=Jb}Ja=Ja+1|0;Qa=f[z>>2]|0;if((Ja|0)>=(Qa|0))break;else Fa=Ib}}Fa=f[ia>>2]|0;if(Fa|0){Qa=f[la>>2]|0;if((Qa|0)!=(Fa|0))f[la>>2]=Qa+(~((Qa+-4-Fa|0)>>>2)<<2);Oq(Fa)}Fa=f[ja>>2]|0;if(Fa|0){Qa=f[ka>>2]|0;if((Qa|0)!=(Fa|0))f[ka>>2]=Qa+(~((Qa+-4-Fa|0)>>>2)<<2);Oq(Fa)}if((qa|0)<=2){Kb=$a;Lb=_a;break a}Fa=f[B>>2]|0;sa=f[Fa>>2]|0;Qa=ra+-1|0;if((f[Fa+4>>2]|0)-sa>>2>>>0<=Qa>>>0){Aa=Fa;xb=18;break}else{Fa=ra;ra=Qa;ta=bb;ua=ab;va=cb;wa=$a;xa=_a;ya=Za;za=Ya;qa=Fa}}if((xb|0)==18)aq(Aa);else if((xb|0)==108)aq(Eb);else if((xb|0)==113)aq(Eb)}else{Kb=M;Lb=N}while(0);N=f[l>>2]|0;if((g|0)>0?(f[N>>2]=0,(g|0)!=1):0){M=1;do{f[N+(M<<2)>>2]=0;M=M+1|0}while((M|0)!=(g|0))}g=f[z>>2]|0;if((g|0)>0){M=a+16|0;Eb=a+32|0;Aa=a+12|0;qa=a+28|0;Ya=a+20|0;za=a+24|0;a=0;Za=N;N=g;while(1){if((N|0)>0){g=0;do{ya=f[Za+(g<<2)>>2]|0;_a=f[M>>2]|0;if((ya|0)>(_a|0)){xa=f[Eb>>2]|0;f[xa+(g<<2)>>2]=_a;Mb=xa}else{xa=f[Aa>>2]|0;_a=f[Eb>>2]|0;f[_a+(g<<2)>>2]=(ya|0)<(xa|0)?xa:ya;Mb=_a}g=g+1|0}while((g|0)<(f[z>>2]|0));Nb=Mb}else Nb=f[Eb>>2]|0;g=(f[c+(a<<2)>>2]|0)-(f[Nb+(a<<2)>>2]|0)|0;_a=d+(a<<2)|0;f[_a>>2]=g;if((g|0)>=(f[qa>>2]|0)){if((g|0)>(f[za>>2]|0)){Ob=g-(f[Ya>>2]|0)|0;xb=139}}else{Ob=(f[Ya>>2]|0)+g|0;xb=139}if((xb|0)==139){xb=0;f[_a>>2]=Ob}a=a+1|0;N=f[z>>2]|0;if((a|0)>=(N|0))break;else Za=Nb}}if(Kb|0){if((Lb|0)!=(Kb|0))f[H>>2]=Lb+(~((Lb+-4-Kb|0)>>>2)<<2);Oq(Kb)}Kb=f[m>>2]|0;if(Kb|0){m=f[E>>2]|0;if((m|0)!=(Kb|0))f[E>>2]=m+(~((m+-4-Kb|0)>>>2)<<2);Oq(Kb)}Kb=f[l+36>>2]|0;if(Kb|0){m=l+40|0;E=f[m>>2]|0;if((E|0)!=(Kb|0))f[m>>2]=E+(~((E+-4-Kb|0)>>>2)<<2);Oq(Kb)}Kb=f[l+24>>2]|0;if(Kb|0){E=l+28|0;m=f[E>>2]|0;if((m|0)!=(Kb|0))f[E>>2]=m+(~((m+-4-Kb|0)>>>2)<<2);Oq(Kb)}Kb=f[l+12>>2]|0;if(Kb|0){m=l+16|0;E=f[m>>2]|0;if((E|0)!=(Kb|0))f[m>>2]=E+(~((E+-4-Kb|0)>>>2)<<2);Oq(Kb)}Kb=f[l>>2]|0;if(!Kb){u=i;return 1}E=l+4|0;l=f[E>>2]|0;if((l|0)!=(Kb|0))f[E>>2]=l+(~((l+-4-Kb|0)>>>2)<<2);Oq(Kb);u=i;return 1}function bb(a,c,d,e,g,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0.0,Wa=0.0,Xa=0.0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0,Hb=0,Ib=0,Jb=0,Kb=0,Lb=0,Mb=0,Nb=0,Ob=0,Pb=0,Qb=0;i=u;u=u+240|0;j=i+104|0;k=i+224|0;l=i+176|0;m=i+160|0;n=i+228|0;o=i+72|0;p=i+40|0;q=i+132|0;r=i;s=i+172|0;t=i+156|0;v=i+152|0;w=i+148|0;x=i+144|0;y=i+128|0;z=a+8|0;Mh(z,c,e,g);e=f[a+48>>2]|0;A=f[a+52>>2]|0;B=l;C=B+48|0;do{f[B>>2]=0;B=B+4|0}while((B|0)<(C|0));if(!g){D=0;E=0}else{Ci(l,g);D=f[l+12>>2]|0;E=f[l+16>>2]|0}B=l+16|0;C=E-D>>2;F=D;D=E;if(C>>>0>=g>>>0){if(C>>>0>g>>>0?(E=F+(g<<2)|0,(E|0)!=(D|0)):0)f[B>>2]=D+(~((D+-4-E|0)>>>2)<<2)}else Ci(l+12|0,g-C|0);C=l+24|0;E=l+28|0;D=f[E>>2]|0;B=f[C>>2]|0;F=D-B>>2;G=B;B=D;if(F>>>0>=g>>>0){if(F>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[E>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else Ci(C,g-F|0);F=l+36|0;C=l+40|0;D=f[C>>2]|0;B=f[F>>2]|0;E=D-B>>2;G=B;B=D;if(E>>>0>=g>>>0){if(E>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[C>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else Ci(F,g-E|0);f[m>>2]=0;E=m+4|0;f[E>>2]=0;f[m+8>>2]=0;F=(g|0)==0;do if(!F)if(g>>>0>1073741823)aq(m);else{D=g<<2;B=ln(D)|0;f[m>>2]=B;C=B+(g<<2)|0;f[m+8>>2]=C;sj(B|0,0,D|0)|0;f[E>>2]=C;break}while(0);C=a+152|0;D=a+156|0;B=f[D>>2]|0;G=f[C>>2]|0;H=B-G>>2;L=G;G=B;if(H>>>0>=g>>>0){if(H>>>0>g>>>0?(B=L+(g<<2)|0,(B|0)!=(G|0)):0)f[D>>2]=G+(~((G+-4-B|0)>>>2)<<2)}else Ci(C,g-H|0);f[o>>2]=0;f[o+4>>2]=0;f[o+8>>2]=0;f[o+12>>2]=0;f[o+16>>2]=0;f[o+20>>2]=0;f[o+24>>2]=0;f[o+28>>2]=0;f[p>>2]=0;f[p+4>>2]=0;f[p+8>>2]=0;f[p+12>>2]=0;f[p+16>>2]=0;f[p+20>>2]=0;f[p+24>>2]=0;f[p+28>>2]=0;f[q>>2]=0;H=q+4|0;f[H>>2]=0;f[q+8>>2]=0;if(F){M=0;N=0;O=0;P=0}else{F=g<<2;B=ln(F)|0;f[q>>2]=B;G=B+(g<<2)|0;f[q+8>>2]=G;sj(B|0,0,F|0)|0;f[H>>2]=G;M=B;N=G;O=G;P=B}B=a+56|0;G=f[B>>2]|0;F=f[G+4>>2]|0;D=f[G>>2]|0;L=F-D|0;a:do if((L|0)>4){Q=L>>2;R=e+12|0;S=(g|0)>0;T=r+4|0;U=r+8|0;V=r+12|0;Z=a+152|0;_=a+112|0;$=r+16|0;aa=r+28|0;ba=a+16|0;ca=a+32|0;da=a+12|0;ea=a+28|0;fa=a+20|0;ga=a+24|0;ha=r+28|0;ia=r+16|0;ja=r+20|0;ka=r+32|0;la=n+1|0;ma=g<<2;na=(g|0)==1;oa=Q+-1|0;if(F-D>>2>>>0>oa>>>0){pa=Q;qa=oa;ra=D;sa=P;ta=O;ua=M;va=M;wa=N;xa=M;ya=N}else{za=G;aq(za)}b:while(1){oa=f[ra+(qa<<2)>>2]|0;Q=(((oa>>>0)%3|0|0)==0?2:-1)+oa|0;Aa=(oa|0)==-1|(Q|0)==-1;Ba=1;Ca=0;Da=oa;c:while(1){Ea=Ba^1;Fa=Ca;Ga=Da;while(1){if((Ga|0)==-1){Ha=Fa;break c}Ia=f[l+(Fa*12|0)>>2]|0;Ja=f[R>>2]|0;Ka=f[Ja+(Ga<<2)>>2]|0;if((Ka|0)!=-1){La=f[e>>2]|0;Ma=f[A>>2]|0;Na=f[Ma+(f[La+(Ka<<2)>>2]<<2)>>2]|0;Oa=Ka+1|0;Pa=((Oa>>>0)%3|0|0)==0?Ka+-2|0:Oa;if((Pa|0)==-1)Qa=-1;else Qa=f[La+(Pa<<2)>>2]|0;Pa=f[Ma+(Qa<<2)>>2]|0;Oa=(((Ka>>>0)%3|0|0)==0?2:-1)+Ka|0;if((Oa|0)==-1)Ra=-1;else Ra=f[La+(Oa<<2)>>2]|0;Oa=f[Ma+(Ra<<2)>>2]|0;if((Na|0)<(qa|0)&(Pa|0)<(qa|0)&(Oa|0)<(qa|0)){Ma=X(Na,g)|0;Na=X(Pa,g)|0;Pa=X(Oa,g)|0;if(S){Oa=0;do{f[Ia+(Oa<<2)>>2]=(f[c+(Oa+Pa<<2)>>2]|0)+(f[c+(Oa+Na<<2)>>2]|0)-(f[c+(Oa+Ma<<2)>>2]|0);Oa=Oa+1|0}while((Oa|0)!=(g|0))}Oa=Fa+1|0;if((Oa|0)==4){Ha=4;break c}else Sa=Oa}else Sa=Fa}else Sa=Fa;do if(Ba){Oa=Ga+1|0;Ma=((Oa>>>0)%3|0|0)==0?Ga+-2|0:Oa;if((Ma|0)!=-1?(Oa=f[Ja+(Ma<<2)>>2]|0,Ma=Oa+1|0,(Oa|0)!=-1):0)Ta=((Ma>>>0)%3|0|0)==0?Oa+-2|0:Ma;else Ta=-1}else{Ma=(((Ga>>>0)%3|0|0)==0?2:-1)+Ga|0;if((Ma|0)!=-1?(Oa=f[Ja+(Ma<<2)>>2]|0,(Oa|0)!=-1):0)if(!((Oa>>>0)%3|0)){Ta=Oa+2|0;break}else{Ta=Oa+-1|0;break}else Ta=-1}while(0);if((Ta|0)==(oa|0)){Ha=Sa;break c}if((Ta|0)!=-1|Ea){Fa=Sa;Ga=Ta}else break}if(Aa){Ba=0;Ca=Sa;Da=-1;continue}Ga=f[Ja+(Q<<2)>>2]|0;if((Ga|0)==-1){Ba=0;Ca=Sa;Da=-1;continue}if(!((Ga>>>0)%3|0)){Ba=0;Ca=Sa;Da=Ga+2|0;continue}else{Ba=0;Ca=Sa;Da=Ga+-1|0;continue}}Da=X(qa,g)|0;f[r>>2]=0;f[T>>2]=0;b[U>>0]=0;f[V>>2]=0;f[V+4>>2]=0;f[V+8>>2]=0;f[V+12>>2]=0;f[V+16>>2]=0;f[V+20>>2]=0;f[V+24>>2]=0;Ca=Ha+-1|0;Ba=p+(Ca<<3)|0;Q=Ba;Aa=Vn(f[Q>>2]|0,f[Q+4>>2]|0,Ha|0,((Ha|0)<0)<<31>>31|0)|0;Q=I;oa=Ba;f[oa>>2]=Aa;f[oa+4>>2]=Q;oa=c+((X(pa+-2|0,g)|0)<<2)|0;Ba=c+(Da<<2)|0;Ga=f[Z>>2]|0;if(S){Fa=0;Ea=0;while(1){Oa=(f[oa+(Fa<<2)>>2]|0)-(f[Ba+(Fa<<2)>>2]|0)|0;Ma=((Oa|0)>-1?Oa:0-Oa|0)+Ea|0;f[ua+(Fa<<2)>>2]=Oa;f[Ga+(Fa<<2)>>2]=Oa<<1^Oa>>31;Fa=Fa+1|0;if((Fa|0)==(g|0)){Ua=Ma;break}else Ea=Ma}}else Ua=0;mo(j,_,Ga,g);Ea=Zk(j)|0;Fa=I;Ma=Bm(j)|0;Oa=I;Na=o+(Ca<<3)|0;Pa=Na;Ia=f[Pa>>2]|0;La=f[Pa+4>>2]|0;Va=+wm(Aa,Ia);Pa=Vn(Ma|0,Oa|0,Ea|0,Fa|0)|0;Wa=+(Aa>>>0)+4294967296.0*+(Q|0);Xa=+W(+(Va*Wa));Fa=Vn(Pa|0,I|0,~~Xa>>>0|0,(+K(Xa)>=1.0?(Xa>0.0?~~+Y(+J(Xa/4294967296.0),4294967295.0)>>>0:~~+W((Xa-+(~~Xa>>>0))/4294967296.0)>>>0):0)|0)|0;Pa=r;f[Pa>>2]=Fa;f[Pa+4>>2]=Ua;b[U>>0]=0;f[V>>2]=0;$f($,oa,oa+(g<<2)|0);f[s>>2]=sa;f[t>>2]=ta;f[k>>2]=f[s>>2];f[j>>2]=f[t>>2];Jf(aa,k,j);if((Ha|0)<1){Ya=ya;Za=xa;_a=wa;$a=va;ab=ta;bb=sa;cb=sa}else{Pa=n+Ha|0;Fa=f[q>>2]|0;Ea=Fa;Oa=f[H>>2]|0;Ma=Pa+-1|0;Ka=(Ma|0)==(n|0);db=Pa+-2|0;eb=la>>>0>>0;fb=~Ha;gb=Ha+2+((fb|0)>-2?fb:-2)|0;fb=Oa;hb=Ma>>>0>n>>>0;ib=0;jb=1;while(1){ib=ib+1|0;sj(n|0,1,gb|0)|0;sj(n|0,0,ib|0)|0;kb=Vn(Ia|0,La|0,jb|0,0)|0;d:while(1){if(S){sj(f[m>>2]|0,0,ma|0)|0;lb=f[m>>2]|0;mb=0;nb=0;while(1){if(!(b[n+mb>>0]|0)){ob=f[l+(mb*12|0)>>2]|0;pb=0;do{qb=lb+(pb<<2)|0;f[qb>>2]=(f[qb>>2]|0)+(f[ob+(pb<<2)>>2]|0);pb=pb+1|0}while((pb|0)!=(g|0));rb=(1<>0]|0))tb=(1<>2]|0;do if(S){f[mb>>2]=(f[mb>>2]|0)/(jb|0)|0;if(!na){nb=1;do{lb=mb+(nb<<2)|0;f[lb>>2]=(f[lb>>2]|0)/(jb|0)|0;nb=nb+1|0}while((nb|0)!=(g|0));nb=f[Z>>2]|0;if(S)ub=nb;else{vb=0;wb=nb;break}}else ub=f[Z>>2]|0;nb=0;lb=0;while(1){pb=(f[mb+(nb<<2)>>2]|0)-(f[Ba+(nb<<2)>>2]|0)|0;ob=((pb|0)>-1?pb:0-pb|0)+lb|0;f[Fa+(nb<<2)>>2]=pb;f[ub+(nb<<2)>>2]=pb<<1^pb>>31;nb=nb+1|0;if((nb|0)==(g|0)){vb=ob;wb=ub;break}else lb=ob}}else{vb=0;wb=f[Z>>2]|0}while(0);mo(j,_,wb,g);mb=Zk(j)|0;lb=I;nb=Bm(j)|0;ob=I;Xa=+wm(Aa,kb);pb=Vn(nb|0,ob|0,mb|0,lb|0)|0;Va=+W(+(Xa*Wa));lb=Vn(pb|0,I|0,~~Va>>>0|0,(+K(Va)>=1.0?(Va>0.0?~~+Y(+J(Va/4294967296.0),4294967295.0)>>>0:~~+W((Va-+(~~Va>>>0))/4294967296.0)>>>0):0)|0)|0;pb=f[r>>2]|0;if(!((pb|0)<=(lb|0)?!((pb|0)>=(lb|0)?(vb|0)<(f[T>>2]|0):0):0)){pb=r;f[pb>>2]=lb;f[pb+4>>2]=vb;b[U>>0]=sb;f[V>>2]=jb;f[v>>2]=f[m>>2];f[w>>2]=f[E>>2];f[k>>2]=f[v>>2];f[j>>2]=f[w>>2];Jf($,k,j);f[x>>2]=Ea;f[y>>2]=Oa;f[k>>2]=f[x>>2];f[j>>2]=f[y>>2];Jf(aa,k,j)}if(Ka)break;xb=b[Ma>>0]|0;pb=-1;lb=xb;while(1){mb=pb+-1|0;yb=Pa+mb|0;ob=lb;lb=b[yb>>0]|0;if((lb&255)<(ob&255))break;if((yb|0)==(n|0)){zb=84;break d}else pb=mb}mb=Pa+pb|0;if((lb&255)<(xb&255)){Ab=Ma;Bb=xb}else{ob=Pa;nb=Ma;while(1){qb=nb+-1|0;if((lb&255)<(h[ob+-2>>0]|0)){Ab=qb;Bb=1;break}else{Cb=nb;nb=qb;ob=Cb}}}b[yb>>0]=Bb;b[Ab>>0]=lb;if((pb|0)<-1){Db=mb;Eb=Ma}else continue;while(1){ob=b[Db>>0]|0;b[Db>>0]=b[Eb>>0]|0;b[Eb>>0]=ob;ob=Db+1|0;nb=Eb+-1|0;if(ob>>>0>>0){Db=ob;Eb=nb}else continue d}}if(((zb|0)==84?(zb=0,hb):0)?(kb=b[n>>0]|0,b[n>>0]=xb,b[Ma>>0]=kb,eb):0){kb=db;mb=la;do{pb=b[mb>>0]|0;b[mb>>0]=b[kb>>0]|0;b[kb>>0]=pb;mb=mb+1|0;kb=kb+-1|0}while(mb>>>0>>0)}if((jb|0)>=(Ha|0)){Ya=fb;Za=Fa;_a=fb;$a=Fa;ab=Oa;bb=Ea;cb=Fa;break}else jb=jb+1|0}}jb=f[V>>2]|0;Fa=Vn(Ia|0,La|0,jb|0,((jb|0)<0)<<31>>31|0)|0;jb=Na;f[jb>>2]=Fa;f[jb+4>>2]=I;if(S){jb=f[aa>>2]|0;Fa=f[C>>2]|0;Ea=0;do{Oa=f[jb+(Ea<<2)>>2]|0;f[Fa+(Ea<<2)>>2]=Oa<<1^Oa>>31;Ea=Ea+1|0}while((Ea|0)!=(g|0));Fb=Fa}else Fb=f[C>>2]|0;lo(j,_,Fb,g);if((Ha|0)>0){Gb=a+60+(Ca*12|0)|0;Fa=a+60+(Ca*12|0)+4|0;Ea=a+60+(Ca*12|0)+8|0;jb=0;do{Na=f[Fa>>2]|0;La=f[Ea>>2]|0;Ia=(Na|0)==(La<<5|0);if(!(1<>0])){if(Ia){if((Na+1|0)<0){zb=108;break b}Oa=La<<6;fb=Na+32&-32;vi(Gb,Na>>>0<1073741823?(Oa>>>0>>0?fb:Oa):2147483647);Hb=f[Fa>>2]|0}else Hb=Na;f[Fa>>2]=Hb+1;Oa=(f[Gb>>2]|0)+(Hb>>>5<<2)|0;f[Oa>>2]=f[Oa>>2]|1<<(Hb&31)}else{if(Ia){if((Na+1|0)<0){zb=113;break b}Ia=La<<6;La=Na+32&-32;vi(Gb,Na>>>0<1073741823?(Ia>>>0>>0?La:Ia):2147483647);Ib=f[Fa>>2]|0}else Ib=Na;f[Fa>>2]=Ib+1;Na=(f[Gb>>2]|0)+(Ib>>>5<<2)|0;f[Na>>2]=f[Na>>2]&~(1<<(Ib&31))}jb=jb+1|0}while((jb|0)<(Ha|0))}jb=d+(Da<<2)|0;Fa=f[z>>2]|0;if((Fa|0)>0){Ea=0;Ca=f[$>>2]|0;Na=Fa;while(1){if((Na|0)>0){Fa=0;do{Ia=f[Ca+(Fa<<2)>>2]|0;La=f[ba>>2]|0;if((Ia|0)>(La|0)){Oa=f[ca>>2]|0;f[Oa+(Fa<<2)>>2]=La;Jb=Oa}else{Oa=f[da>>2]|0;La=f[ca>>2]|0;f[La+(Fa<<2)>>2]=(Ia|0)<(Oa|0)?Oa:Ia;Jb=La}Fa=Fa+1|0}while((Fa|0)<(f[z>>2]|0));Kb=Jb}else Kb=f[ca>>2]|0;Fa=(f[Ba+(Ea<<2)>>2]|0)-(f[Kb+(Ea<<2)>>2]|0)|0;La=jb+(Ea<<2)|0;f[La>>2]=Fa;do if((Fa|0)<(f[ea>>2]|0)){Lb=(f[fa>>2]|0)+Fa|0;zb=103}else{if((Fa|0)<=(f[ga>>2]|0))break;Lb=Fa-(f[fa>>2]|0)|0;zb=103}while(0);if((zb|0)==103){zb=0;f[La>>2]=Lb}Ea=Ea+1|0;Na=f[z>>2]|0;if((Ea|0)>=(Na|0))break;else Ca=Kb}}Ca=f[ha>>2]|0;if(Ca|0){Na=f[ka>>2]|0;if((Na|0)!=(Ca|0))f[ka>>2]=Na+(~((Na+-4-Ca|0)>>>2)<<2);Oq(Ca)}Ca=f[ia>>2]|0;if(Ca|0){Na=f[ja>>2]|0;if((Na|0)!=(Ca|0))f[ja>>2]=Na+(~((Na+-4-Ca|0)>>>2)<<2);Oq(Ca)}if((pa|0)<=2){Mb=$a;Nb=_a;break a}Ca=f[B>>2]|0;ra=f[Ca>>2]|0;Na=qa+-1|0;if((f[Ca+4>>2]|0)-ra>>2>>>0<=Na>>>0){za=Ca;zb=18;break}else{Ca=qa;qa=Na;sa=bb;ta=ab;ua=cb;va=$a;wa=_a;xa=Za;ya=Ya;pa=Ca}}if((zb|0)==18)aq(za);else if((zb|0)==108)aq(Gb);else if((zb|0)==113)aq(Gb)}else{Mb=M;Nb=N}while(0);N=f[l>>2]|0;if((g|0)>0?(f[N>>2]=0,(g|0)!=1):0){M=1;do{f[N+(M<<2)>>2]=0;M=M+1|0}while((M|0)!=(g|0))}g=f[z>>2]|0;if((g|0)>0){M=a+16|0;Gb=a+32|0;za=a+12|0;pa=a+28|0;Ya=a+20|0;ya=a+24|0;a=0;Za=N;N=g;while(1){if((N|0)>0){g=0;do{xa=f[Za+(g<<2)>>2]|0;_a=f[M>>2]|0;if((xa|0)>(_a|0)){wa=f[Gb>>2]|0;f[wa+(g<<2)>>2]=_a;Ob=wa}else{wa=f[za>>2]|0;_a=f[Gb>>2]|0;f[_a+(g<<2)>>2]=(xa|0)<(wa|0)?wa:xa;Ob=_a}g=g+1|0}while((g|0)<(f[z>>2]|0));Pb=Ob}else Pb=f[Gb>>2]|0;g=(f[c+(a<<2)>>2]|0)-(f[Pb+(a<<2)>>2]|0)|0;_a=d+(a<<2)|0;f[_a>>2]=g;if((g|0)>=(f[pa>>2]|0)){if((g|0)>(f[ya>>2]|0)){Qb=g-(f[Ya>>2]|0)|0;zb=139}}else{Qb=(f[Ya>>2]|0)+g|0;zb=139}if((zb|0)==139){zb=0;f[_a>>2]=Qb}a=a+1|0;N=f[z>>2]|0;if((a|0)>=(N|0))break;else Za=Pb}}if(Mb|0){if((Nb|0)!=(Mb|0))f[H>>2]=Nb+(~((Nb+-4-Mb|0)>>>2)<<2);Oq(Mb)}Mb=f[m>>2]|0;if(Mb|0){m=f[E>>2]|0;if((m|0)!=(Mb|0))f[E>>2]=m+(~((m+-4-Mb|0)>>>2)<<2);Oq(Mb)}Mb=f[l+36>>2]|0;if(Mb|0){m=l+40|0;E=f[m>>2]|0;if((E|0)!=(Mb|0))f[m>>2]=E+(~((E+-4-Mb|0)>>>2)<<2);Oq(Mb)}Mb=f[l+24>>2]|0;if(Mb|0){E=l+28|0;m=f[E>>2]|0;if((m|0)!=(Mb|0))f[E>>2]=m+(~((m+-4-Mb|0)>>>2)<<2);Oq(Mb)}Mb=f[l+12>>2]|0;if(Mb|0){m=l+16|0;E=f[m>>2]|0;if((E|0)!=(Mb|0))f[m>>2]=E+(~((E+-4-Mb|0)>>>2)<<2);Oq(Mb)}Mb=f[l>>2]|0;if(!Mb){u=i;return 1}E=l+4|0;l=f[E>>2]|0;if((l|0)!=(Mb|0))f[E>>2]=l+(~((l+-4-Mb|0)>>>2)<<2);Oq(Mb);u=i;return 1}function cb(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;b=u;u=u+16|0;c=b;d=b+8|0;e=b+4|0;f[d>>2]=a;do if(a>>>0>=212){g=(a>>>0)/210|0;h=g*210|0;f[e>>2]=a-h;i=0;j=g;g=(Hl(6952,7144,e,c)|0)-6952>>2;k=h;a:while(1){l=(f[6952+(g<<2)>>2]|0)+k|0;h=5;while(1){if(h>>>0>=47){m=211;n=i;o=8;break}p=f[6760+(h<<2)>>2]|0;q=(l>>>0)/(p>>>0)|0;if(q>>>0

>>0){o=106;break a}if((l|0)==(X(q,p)|0)){r=i;break}else h=h+1|0}b:do if((o|0)==8){c:while(1){o=0;h=(l>>>0)/(m>>>0)|0;do if(h>>>0>=m>>>0)if((l|0)!=(X(h,m)|0)){p=m+10|0;q=(l>>>0)/(p>>>0)|0;if(q>>>0>=p>>>0)if((l|0)!=(X(q,p)|0)){q=m+12|0;s=(l>>>0)/(q>>>0)|0;if(s>>>0>=q>>>0)if((l|0)!=(X(s,q)|0)){s=m+16|0;t=(l>>>0)/(s>>>0)|0;if(t>>>0>=s>>>0)if((l|0)!=(X(t,s)|0)){t=m+18|0;v=(l>>>0)/(t>>>0)|0;if(v>>>0>=t>>>0)if((l|0)!=(X(v,t)|0)){v=m+22|0;w=(l>>>0)/(v>>>0)|0;if(w>>>0>=v>>>0)if((l|0)!=(X(w,v)|0)){w=m+28|0;x=(l>>>0)/(w>>>0)|0;if(x>>>0>=w>>>0)if((l|0)==(X(x,w)|0)){y=w;z=9;A=n}else{x=m+30|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+36|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+40|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+42|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+46|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+52|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+58|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+60|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+66|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+70|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+72|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+78|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+82|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+88|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+96|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+100|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+102|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+106|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+108|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+112|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+120|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+126|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+130|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+136|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+138|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+142|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+148|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+150|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+156|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+162|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+166|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+168|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+172|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+178|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+180|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+186|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+190|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+192|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+196|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+198|0;B=(l>>>0)/(x>>>0)|0;if(B>>>0>>0){y=x;z=1;A=l;break}if((l|0)==(X(B,x)|0)){y=x;z=9;A=n;break}x=m+208|0;B=(l>>>0)/(x>>>0)|0;C=B>>>0>>0;D=(l|0)==(X(B,x)|0);y=C|D?x:m+210|0;z=C?1:D?9:0;A=C?l:n}else{y=w;z=1;A=l}}else{y=v;z=9;A=n}else{y=v;z=1;A=l}}else{y=t;z=9;A=n}else{y=t;z=1;A=l}}else{y=s;z=9;A=n}else{y=s;z=1;A=l}}else{y=q;z=9;A=n}else{y=q;z=1;A=l}}else{y=p;z=9;A=n}else{y=p;z=1;A=l}}else{y=m;z=9;A=n}else{y=m;z=1;A=l}while(0);switch(z&15){case 9:{r=A;break b;break}case 0:{m=y;n=A;o=8;break}default:break c}}if(!z)r=A;else{o=107;break a}}while(0);h=g+1|0;p=(h|0)==48;q=j+(p&1)|0;i=r;j=q;g=p?0:h;k=q*210|0}if((o|0)==106){f[d>>2]=l;E=l;break}else if((o|0)==107){f[d>>2]=l;E=A;break}}else{k=Hl(6760,6952,d,c)|0;E=f[k>>2]|0}while(0);u=b;return E|0}function db(a,c,d,e,g,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0.0,Ua=0.0,Va=0.0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0;i=u;u=u+256|0;e=i+104|0;j=i+240|0;k=i+224|0;l=i+160|0;m=i+140|0;n=i+248|0;o=i+72|0;p=i+40|0;q=i+128|0;r=i;s=i+232|0;t=i+220|0;v=i+216|0;w=i+212|0;x=i+208|0;y=i+152|0;z=f[a+28>>2]|0;A=f[a+32>>2]|0;B=l;C=B+48|0;do{f[B>>2]=0;B=B+4|0}while((B|0)<(C|0));if(!g){D=0;E=0}else{Ci(l,g);D=f[l+12>>2]|0;E=f[l+16>>2]|0}B=l+16|0;C=E-D>>2;F=D;D=E;if(C>>>0>=g>>>0){if(C>>>0>g>>>0?(E=F+(g<<2)|0,(E|0)!=(D|0)):0)f[B>>2]=D+(~((D+-4-E|0)>>>2)<<2)}else Ci(l+12|0,g-C|0);C=l+24|0;E=l+28|0;D=f[E>>2]|0;B=f[C>>2]|0;F=D-B>>2;G=B;B=D;if(F>>>0>=g>>>0){if(F>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[E>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else Ci(C,g-F|0);F=l+36|0;C=l+40|0;D=f[C>>2]|0;B=f[F>>2]|0;E=D-B>>2;G=B;B=D;if(E>>>0>=g>>>0){if(E>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[C>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else Ci(F,g-E|0);f[m>>2]=0;E=m+4|0;f[E>>2]=0;f[m+8>>2]=0;F=(g|0)==0;do if(!F)if(g>>>0>1073741823)aq(m);else{D=g<<2;B=ln(D)|0;f[m>>2]=B;C=B+(g<<2)|0;f[m+8>>2]=C;sj(B|0,0,D|0)|0;f[E>>2]=C;break}while(0);C=a+136|0;D=a+140|0;B=f[D>>2]|0;G=f[C>>2]|0;H=B-G>>2;L=G;G=B;if(H>>>0>=g>>>0){if(H>>>0>g>>>0?(B=L+(g<<2)|0,(B|0)!=(G|0)):0)f[D>>2]=G+(~((G+-4-B|0)>>>2)<<2)}else Ci(C,g-H|0);f[o>>2]=0;f[o+4>>2]=0;f[o+8>>2]=0;f[o+12>>2]=0;f[o+16>>2]=0;f[o+20>>2]=0;f[o+24>>2]=0;f[o+28>>2]=0;f[p>>2]=0;f[p+4>>2]=0;f[p+8>>2]=0;f[p+12>>2]=0;f[p+16>>2]=0;f[p+20>>2]=0;f[p+24>>2]=0;f[p+28>>2]=0;f[q>>2]=0;H=q+4|0;f[H>>2]=0;f[q+8>>2]=0;if(F){M=0;N=0;O=0;P=0}else{F=g<<2;B=ln(F)|0;f[q>>2]=B;G=B+(g<<2)|0;f[q+8>>2]=G;sj(B|0,0,F|0)|0;f[H>>2]=G;M=B;N=G;O=G;P=B}B=a+36|0;G=f[B>>2]|0;F=f[G+4>>2]|0;D=f[G>>2]|0;L=F-D|0;a:do if((L|0)>4){Q=L>>2;R=z+64|0;S=z+28|0;T=(g|0)>0;U=r+4|0;V=r+8|0;Z=r+12|0;_=a+136|0;$=a+96|0;aa=r+16|0;ba=r+28|0;ca=a+8|0;da=j+4|0;ea=k+4|0;fa=e+4|0;ga=r+28|0;ha=r+16|0;ia=r+20|0;ja=r+32|0;ka=n+1|0;la=g<<2;ma=(g|0)==1;na=Q+-1|0;if(F-D>>2>>>0>na>>>0){oa=Q;pa=na;qa=D;ra=P;sa=O;ta=M;ua=M;va=N;wa=M;xa=N}else{ya=G;aq(ya)}b:while(1){na=f[qa+(pa<<2)>>2]|0;Q=(((na>>>0)%3|0|0)==0?2:-1)+na|0;za=Q>>>5;Aa=1<<(Q&31);Ba=(na|0)==-1|(Q|0)==-1;Ca=1;Da=0;Ea=na;c:while(1){Fa=Ca^1;Ga=Da;Ha=Ea;while(1){if((Ha|0)==-1){Ia=Ga;break c}Ja=f[l+(Ga*12|0)>>2]|0;if(((f[(f[z>>2]|0)+(Ha>>>5<<2)>>2]&1<<(Ha&31)|0)==0?(Ka=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ha<<2)>>2]|0,(Ka|0)!=-1):0)?(La=f[S>>2]|0,Ma=f[A>>2]|0,Na=f[Ma+(f[La+(Ka<<2)>>2]<<2)>>2]|0,Oa=Ka+1|0,Pa=f[Ma+(f[La+((((Oa>>>0)%3|0|0)==0?Ka+-2|0:Oa)<<2)>>2]<<2)>>2]|0,Oa=f[Ma+(f[La+((((Ka>>>0)%3|0|0)==0?2:-1)+Ka<<2)>>2]<<2)>>2]|0,(Na|0)<(pa|0)&(Pa|0)<(pa|0)&(Oa|0)<(pa|0)):0){Ka=X(Na,g)|0;Na=X(Pa,g)|0;Pa=X(Oa,g)|0;if(T){Oa=0;do{f[Ja+(Oa<<2)>>2]=(f[c+(Oa+Pa<<2)>>2]|0)+(f[c+(Oa+Na<<2)>>2]|0)-(f[c+(Oa+Ka<<2)>>2]|0);Oa=Oa+1|0}while((Oa|0)!=(g|0))}Oa=Ga+1|0;if((Oa|0)==4){Ia=4;break c}else Qa=Oa}else Qa=Ga;do if(Ca){Oa=Ha+1|0;Ka=((Oa>>>0)%3|0|0)==0?Ha+-2|0:Oa;if(((Ka|0)!=-1?(f[(f[z>>2]|0)+(Ka>>>5<<2)>>2]&1<<(Ka&31)|0)==0:0)?(Oa=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ka<<2)>>2]|0,Ka=Oa+1|0,(Oa|0)!=-1):0)Ra=((Ka>>>0)%3|0|0)==0?Oa+-2|0:Ka;else Ra=-1}else{Ka=(((Ha>>>0)%3|0|0)==0?2:-1)+Ha|0;if(((Ka|0)!=-1?(f[(f[z>>2]|0)+(Ka>>>5<<2)>>2]&1<<(Ka&31)|0)==0:0)?(Oa=f[(f[(f[R>>2]|0)+12>>2]|0)+(Ka<<2)>>2]|0,(Oa|0)!=-1):0)if(!((Oa>>>0)%3|0)){Ra=Oa+2|0;break}else{Ra=Oa+-1|0;break}else Ra=-1}while(0);if((Ra|0)==(na|0)){Ia=Qa;break c}if((Ra|0)!=-1|Fa){Ga=Qa;Ha=Ra}else break}if(Ba){Ca=0;Da=Qa;Ea=-1;continue}if(f[(f[z>>2]|0)+(za<<2)>>2]&Aa|0){Ca=0;Da=Qa;Ea=-1;continue}Ha=f[(f[(f[R>>2]|0)+12>>2]|0)+(Q<<2)>>2]|0;if((Ha|0)==-1){Ca=0;Da=Qa;Ea=-1;continue}if(!((Ha>>>0)%3|0)){Ca=0;Da=Qa;Ea=Ha+2|0;continue}else{Ca=0;Da=Qa;Ea=Ha+-1|0;continue}}Ea=X(pa,g)|0;f[r>>2]=0;f[U>>2]=0;b[V>>0]=0;f[Z>>2]=0;f[Z+4>>2]=0;f[Z+8>>2]=0;f[Z+12>>2]=0;f[Z+16>>2]=0;f[Z+20>>2]=0;f[Z+24>>2]=0;Da=Ia+-1|0;Ca=p+(Da<<3)|0;Q=Ca;Aa=Vn(f[Q>>2]|0,f[Q+4>>2]|0,Ia|0,((Ia|0)<0)<<31>>31|0)|0;Q=I;za=Ca;f[za>>2]=Aa;f[za+4>>2]=Q;za=c+((X(oa+-2|0,g)|0)<<2)|0;Ca=c+(Ea<<2)|0;Ba=f[_>>2]|0;if(T){na=0;Ha=0;while(1){Ga=(f[za+(na<<2)>>2]|0)-(f[Ca+(na<<2)>>2]|0)|0;Fa=((Ga|0)>-1?Ga:0-Ga|0)+Ha|0;f[ta+(na<<2)>>2]=Ga;f[Ba+(na<<2)>>2]=Ga<<1^Ga>>31;na=na+1|0;if((na|0)==(g|0)){Sa=Fa;break}else Ha=Fa}}else Sa=0;mo(e,$,Ba,g);Ha=Zk(e)|0;na=I;Fa=Bm(e)|0;Ga=I;Oa=o+(Da<<3)|0;Ka=Oa;Na=f[Ka>>2]|0;Pa=f[Ka+4>>2]|0;Ta=+wm(Aa,Na);Ka=Vn(Fa|0,Ga|0,Ha|0,na|0)|0;Ua=+(Aa>>>0)+4294967296.0*+(Q|0);Va=+W(+(Ta*Ua));na=Vn(Ka|0,I|0,~~Va>>>0|0,(+K(Va)>=1.0?(Va>0.0?~~+Y(+J(Va/4294967296.0),4294967295.0)>>>0:~~+W((Va-+(~~Va>>>0))/4294967296.0)>>>0):0)|0)|0;Ka=r;f[Ka>>2]=na;f[Ka+4>>2]=Sa;b[V>>0]=0;f[Z>>2]=0;$f(aa,za,za+(g<<2)|0);f[s>>2]=ra;f[t>>2]=sa;f[j>>2]=f[s>>2];f[e>>2]=f[t>>2];Jf(ba,j,e);if((Ia|0)<1){Wa=xa;Xa=wa;Ya=va;Za=ua;_a=sa;$a=ra;ab=ra}else{Ka=n+Ia|0;na=f[q>>2]|0;Ha=na;Ga=f[H>>2]|0;Fa=Ka+-1|0;Ja=(Fa|0)==(n|0);La=Ka+-2|0;Ma=ka>>>0>>0;bb=~Ia;cb=Ia+2+((bb|0)>-2?bb:-2)|0;bb=Ga;db=Fa>>>0>n>>>0;eb=0;fb=1;while(1){eb=eb+1|0;sj(n|0,1,cb|0)|0;sj(n|0,0,eb|0)|0;gb=Vn(Na|0,Pa|0,fb|0,0)|0;d:while(1){if(T){sj(f[m>>2]|0,0,la|0)|0;hb=f[m>>2]|0;ib=0;jb=0;while(1){if(!(b[n+ib>>0]|0)){kb=f[l+(ib*12|0)>>2]|0;lb=0;do{mb=hb+(lb<<2)|0;f[mb>>2]=(f[mb>>2]|0)+(f[kb+(lb<<2)>>2]|0);lb=lb+1|0}while((lb|0)!=(g|0));nb=(1<>0]|0))pb=(1<>2]|0;do if(T){f[ib>>2]=(f[ib>>2]|0)/(fb|0)|0;if(!ma){jb=1;do{hb=ib+(jb<<2)|0;f[hb>>2]=(f[hb>>2]|0)/(fb|0)|0;jb=jb+1|0}while((jb|0)!=(g|0));jb=f[_>>2]|0;if(T)qb=jb;else{rb=0;sb=jb;break}}else qb=f[_>>2]|0;jb=0;hb=0;while(1){lb=(f[ib+(jb<<2)>>2]|0)-(f[Ca+(jb<<2)>>2]|0)|0;kb=((lb|0)>-1?lb:0-lb|0)+hb|0;f[na+(jb<<2)>>2]=lb;f[qb+(jb<<2)>>2]=lb<<1^lb>>31;jb=jb+1|0;if((jb|0)==(g|0)){rb=kb;sb=qb;break}else hb=kb}}else{rb=0;sb=f[_>>2]|0}while(0);mo(e,$,sb,g);ib=Zk(e)|0;hb=I;jb=Bm(e)|0;kb=I;Va=+wm(Aa,gb);lb=Vn(jb|0,kb|0,ib|0,hb|0)|0;Ta=+W(+(Va*Ua));hb=Vn(lb|0,I|0,~~Ta>>>0|0,(+K(Ta)>=1.0?(Ta>0.0?~~+Y(+J(Ta/4294967296.0),4294967295.0)>>>0:~~+W((Ta-+(~~Ta>>>0))/4294967296.0)>>>0):0)|0)|0;lb=f[r>>2]|0;if(!((lb|0)<=(hb|0)?!((lb|0)>=(hb|0)?(rb|0)<(f[U>>2]|0):0):0)){lb=r;f[lb>>2]=hb;f[lb+4>>2]=rb;b[V>>0]=ob;f[Z>>2]=fb;f[v>>2]=f[m>>2];f[w>>2]=f[E>>2];f[j>>2]=f[v>>2];f[e>>2]=f[w>>2];Jf(aa,j,e);f[x>>2]=Ha;f[y>>2]=Ga;f[j>>2]=f[x>>2];f[e>>2]=f[y>>2];Jf(ba,j,e)}if(Ja)break;tb=b[Fa>>0]|0;lb=-1;hb=tb;while(1){ib=lb+-1|0;ub=Ka+ib|0;kb=hb;hb=b[ub>>0]|0;if((hb&255)<(kb&255))break;if((ub|0)==(n|0)){vb=84;break d}else lb=ib}ib=Ka+lb|0;if((hb&255)<(tb&255)){wb=Fa;xb=tb}else{kb=Ka;jb=Fa;while(1){mb=jb+-1|0;if((hb&255)<(h[kb+-2>>0]|0)){wb=mb;xb=1;break}else{yb=jb;jb=mb;kb=yb}}}b[ub>>0]=xb;b[wb>>0]=hb;if((lb|0)<-1){zb=ib;Ab=Fa}else continue;while(1){kb=b[zb>>0]|0;b[zb>>0]=b[Ab>>0]|0;b[Ab>>0]=kb;kb=zb+1|0;jb=Ab+-1|0;if(kb>>>0>>0){zb=kb;Ab=jb}else continue d}}if(((vb|0)==84?(vb=0,db):0)?(gb=b[n>>0]|0,b[n>>0]=tb,b[Fa>>0]=gb,Ma):0){gb=La;ib=ka;do{lb=b[ib>>0]|0;b[ib>>0]=b[gb>>0]|0;b[gb>>0]=lb;ib=ib+1|0;gb=gb+-1|0}while(ib>>>0>>0)}if((fb|0)>=(Ia|0)){Wa=bb;Xa=na;Ya=bb;Za=na;_a=Ga;$a=Ha;ab=na;break}else fb=fb+1|0}}fb=f[Z>>2]|0;na=Vn(Na|0,Pa|0,fb|0,((fb|0)<0)<<31>>31|0)|0;fb=Oa;f[fb>>2]=na;f[fb+4>>2]=I;if(T){fb=f[ba>>2]|0;na=f[C>>2]|0;Ha=0;do{Ga=f[fb+(Ha<<2)>>2]|0;f[na+(Ha<<2)>>2]=Ga<<1^Ga>>31;Ha=Ha+1|0}while((Ha|0)!=(g|0));Bb=na}else Bb=f[C>>2]|0;lo(e,$,Bb,g);if((Ia|0)>0){Cb=a+40+(Da*12|0)|0;na=a+40+(Da*12|0)+4|0;Ha=a+40+(Da*12|0)+8|0;fb=0;do{Oa=f[na>>2]|0;Pa=f[Ha>>2]|0;Na=(Oa|0)==(Pa<<5|0);if(!(1<>0])){if(Na){if((Oa+1|0)<0){vb=95;break b}Ga=Pa<<6;bb=Oa+32&-32;vi(Cb,Oa>>>0<1073741823?(Ga>>>0>>0?bb:Ga):2147483647);Db=f[na>>2]|0}else Db=Oa;f[na>>2]=Db+1;Ga=(f[Cb>>2]|0)+(Db>>>5<<2)|0;f[Ga>>2]=f[Ga>>2]|1<<(Db&31)}else{if(Na){if((Oa+1|0)<0){vb=100;break b}Na=Pa<<6;Pa=Oa+32&-32;vi(Cb,Oa>>>0<1073741823?(Na>>>0>>0?Pa:Na):2147483647);Eb=f[na>>2]|0}else Eb=Oa;f[na>>2]=Eb+1;Oa=(f[Cb>>2]|0)+(Eb>>>5<<2)|0;f[Oa>>2]=f[Oa>>2]&~(1<<(Eb&31))}fb=fb+1|0}while((fb|0)<(Ia|0))}fb=f[aa>>2]|0;na=d+(Ea<<2)|0;Ha=f[Ca+4>>2]|0;Da=f[fb>>2]|0;Oa=f[fb+4>>2]|0;f[j>>2]=f[Ca>>2];f[da>>2]=Ha;f[k>>2]=Da;f[ea>>2]=Oa;Od(e,ca,j,k);f[na>>2]=f[e>>2];f[na+4>>2]=f[fa>>2];na=f[ga>>2]|0;if(na|0){Oa=f[ja>>2]|0;if((Oa|0)!=(na|0))f[ja>>2]=Oa+(~((Oa+-4-na|0)>>>2)<<2);Oq(na)}na=f[ha>>2]|0;if(na|0){Oa=f[ia>>2]|0;if((Oa|0)!=(na|0))f[ia>>2]=Oa+(~((Oa+-4-na|0)>>>2)<<2);Oq(na)}if((oa|0)<=2){Fb=Za;Gb=Ya;break a}na=f[B>>2]|0;qa=f[na>>2]|0;Oa=pa+-1|0;if((f[na+4>>2]|0)-qa>>2>>>0<=Oa>>>0){ya=na;vb=18;break}else{na=pa;pa=Oa;ra=$a;sa=_a;ta=ab;ua=Za;va=Ya;wa=Xa;xa=Wa;oa=na}}if((vb|0)==18)aq(ya);else if((vb|0)==95)aq(Cb);else if((vb|0)==100)aq(Cb)}else{Fb=M;Gb=N}while(0);if((g|0)>0)sj(f[l>>2]|0,0,g<<2|0)|0;g=f[l>>2]|0;N=f[c+4>>2]|0;M=f[g>>2]|0;Cb=f[g+4>>2]|0;f[j>>2]=f[c>>2];f[j+4>>2]=N;f[k>>2]=M;f[k+4>>2]=Cb;Od(e,a+8|0,j,k);f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];if(Fb|0){if((Gb|0)!=(Fb|0))f[H>>2]=Gb+(~((Gb+-4-Fb|0)>>>2)<<2);Oq(Fb)}Fb=f[m>>2]|0;if(Fb|0){m=f[E>>2]|0;if((m|0)!=(Fb|0))f[E>>2]=m+(~((m+-4-Fb|0)>>>2)<<2);Oq(Fb)}Fb=f[l+36>>2]|0;if(Fb|0){m=l+40|0;E=f[m>>2]|0;if((E|0)!=(Fb|0))f[m>>2]=E+(~((E+-4-Fb|0)>>>2)<<2);Oq(Fb)}Fb=f[l+24>>2]|0;if(Fb|0){E=l+28|0;m=f[E>>2]|0;if((m|0)!=(Fb|0))f[E>>2]=m+(~((m+-4-Fb|0)>>>2)<<2);Oq(Fb)}Fb=f[l+12>>2]|0;if(Fb|0){m=l+16|0;E=f[m>>2]|0;if((E|0)!=(Fb|0))f[m>>2]=E+(~((E+-4-Fb|0)>>>2)<<2);Oq(Fb)}Fb=f[l>>2]|0;if(!Fb){u=i;return 1}E=l+4|0;l=f[E>>2]|0;if((l|0)!=(Fb|0))f[E>>2]=l+(~((l+-4-Fb|0)>>>2)<<2);Oq(Fb);u=i;return 1}function eb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0,Hb=0,Ib=0,Jb=0,Kb=0,Lb=0,Mb=0,Nb=0,Ob=0,Pb=0,Qb=0,Rb=0,Sb=0,Tb=0,Ub=0,Vb=0,Wb=0,Xb=0,Yb=0,Zb=0,_b=0;c=u;u=u+32|0;d=c+16|0;e=c+4|0;g=c;f[a+36>>2]=b;h=a+24|0;i=a+28|0;j=f[i>>2]|0;k=f[h>>2]|0;l=j-k>>2;m=k;k=j;if(l>>>0>=b>>>0){if(l>>>0>b>>>0?(j=m+(b<<2)|0,(j|0)!=(k|0)):0)f[i>>2]=k+(~((k+-4-j|0)>>>2)<<2)}else Ch(h,b-l|0,6140);f[d>>2]=0;l=d+4|0;f[l>>2]=0;j=d+8|0;f[j>>2]=0;if(b){if((b|0)<0)aq(d);k=((b+-1|0)>>>5)+1|0;m=ln(k<<2)|0;f[d>>2]=m;f[j>>2]=k;f[l>>2]=b;k=b>>>5;sj(m|0,0,k<<2|0)|0;n=b&31;o=m+(k<<2)|0;k=m;if(!n){p=b;q=k;r=m}else{f[o>>2]=f[o>>2]&~(-1>>>(32-n|0));p=b;q=k;r=m}}else{p=0;q=0;r=0}m=a+4|0;k=f[a>>2]|0;n=(f[m>>2]|0)-k|0;o=n>>2;f[e>>2]=0;s=e+4|0;f[s>>2]=0;t=e+8|0;f[t>>2]=0;do if(o){if((n|0)<0)aq(e);v=((o+-1|0)>>>5)+1|0;w=ln(v<<2)|0;f[e>>2]=w;f[t>>2]=v;f[s>>2]=o;v=o>>>5;sj(w|0,0,v<<2|0)|0;x=o&31;y=w+(v<<2)|0;if(x|0)f[y>>2]=f[y>>2]&~(-1>>>(32-x|0));if(o>>>0>2){x=a+12|0;y=a+32|0;v=a+52|0;w=a+56|0;z=a+48|0;A=b;B=k;C=0;D=q;E=r;a:while(1){F=B;G=C*3|0;if((G|0)!=-1){H=f[F+(G<<2)>>2]|0;I=G+1|0;J=((I>>>0)%3|0|0)==0?G+-2|0:I;if((J|0)==-1)K=-1;else K=f[F+(J<<2)>>2]|0;J=(((G>>>0)%3|0|0)==0?2:-1)+G|0;if((J|0)==-1)L=-1;else L=f[F+(J<<2)>>2]|0;if((H|0)!=(K|0)?!((H|0)==(L|0)|(K|0)==(L|0)):0){H=0;J=A;F=E;I=D;while(1){M=H+G|0;if(!(f[(f[e>>2]|0)+(M>>>5<<2)>>2]&1<<(M&31))){N=f[(f[a>>2]|0)+(M<<2)>>2]|0;f[g>>2]=N;if(!(f[F+(N>>>5<<2)>>2]&1<<(N&31))){O=0;P=J;Q=N}else{N=f[i>>2]|0;if((N|0)==(f[y>>2]|0))Ri(h,6140);else{f[N>>2]=-1;f[i>>2]=N+4}N=f[v>>2]|0;if((N|0)==(f[w>>2]|0))Ri(z,g);else{f[N>>2]=f[g>>2];f[v>>2]=N+4}N=f[l>>2]|0;R=f[j>>2]|0;if((N|0)==(R<<5|0)){if((N+1|0)<0){S=50;break a}T=R<<6;R=N+32&-32;vi(d,N>>>0<1073741823?(T>>>0>>0?R:T):2147483647);U=f[l>>2]|0}else U=N;f[l>>2]=U+1;N=(f[d>>2]|0)+(U>>>5<<2)|0;f[N>>2]=f[N>>2]&~(1<<(U&31));f[g>>2]=J;O=1;P=J+1|0;Q=J}N=f[d>>2]|0;T=N+(Q>>>5<<2)|0;f[T>>2]=f[T>>2]|1<<(Q&31);T=N;b:do if(O){R=M;while(1){if((R|0)==-1){S=64;break b}V=(f[e>>2]|0)+(R>>>5<<2)|0;f[V>>2]=f[V>>2]|1<<(R&31);V=f[g>>2]|0;f[(f[h>>2]|0)+(V<<2)>>2]=R;f[(f[a>>2]|0)+(R<<2)>>2]=V;V=R+1|0;W=((V>>>0)%3|0|0)==0?R+-2|0:V;do if((W|0)==-1)X=-1;else{V=f[(f[x>>2]|0)+(W<<2)>>2]|0;Y=V+1|0;if((V|0)==-1){X=-1;break}X=((Y>>>0)%3|0|0)==0?V+-2|0:Y}while(0);if((X|0)==(M|0))break;else R=X}}else{R=M;while(1){if((R|0)==-1){S=64;break b}W=(f[e>>2]|0)+(R>>>5<<2)|0;f[W>>2]=f[W>>2]|1<<(R&31);f[(f[h>>2]|0)+(f[g>>2]<<2)>>2]=R;W=R+1|0;Y=((W>>>0)%3|0|0)==0?R+-2|0:W;do if((Y|0)==-1)Z=-1;else{W=f[(f[x>>2]|0)+(Y<<2)>>2]|0;V=W+1|0;if((W|0)==-1){Z=-1;break}Z=((V>>>0)%3|0|0)==0?W+-2|0:V}while(0);if((Z|0)==(M|0))break;else R=Z}}while(0);c:do if((S|0)==64){S=0;if((M|0)==-1)break;R=(((M>>>0)%3|0|0)==0?2:-1)+M|0;if((R|0)==-1)break;Y=f[(f[x>>2]|0)+(R<<2)>>2]|0;if((Y|0)==-1)break;R=Y+(((Y>>>0)%3|0|0)==0?2:-1)|0;if((R|0)==-1)break;if(!O){Y=R;while(1){V=(f[e>>2]|0)+(Y>>>5<<2)|0;f[V>>2]=f[V>>2]|1<<(Y&31);V=(((Y>>>0)%3|0|0)==0?2:-1)+Y|0;if((V|0)==-1)break c;W=f[(f[x>>2]|0)+(V<<2)>>2]|0;if((W|0)==-1)break c;Y=W+(((W>>>0)%3|0|0)==0?2:-1)|0;if((Y|0)==-1)break c}}Y=f[a>>2]|0;W=R;do{V=(f[e>>2]|0)+(W>>>5<<2)|0;f[V>>2]=f[V>>2]|1<<(W&31);f[Y+(W<<2)>>2]=f[g>>2];V=(((W>>>0)%3|0|0)==0?2:-1)+W|0;if((V|0)==-1)break c;_=f[(f[x>>2]|0)+(V<<2)>>2]|0;if((_|0)==-1)break c;W=_+(((_>>>0)%3|0|0)==0?2:-1)|0}while((W|0)!=-1)}while(0);$=P;aa=T;ba=N}else{$=J;aa=I;ba=F}if((H|0)<2){H=H+1|0;J=$;F=ba;I=aa}else{ca=$;da=aa;ea=ba;break}}}else{ca=A;da=D;ea=E}}else{ca=A;da=D;ea=E}C=C+1|0;B=f[a>>2]|0;if(C>>>0>=(((f[m>>2]|0)-B>>2>>>0)/3|0)>>>0){S=18;break}else{A=ca;D=da;E=ea}}if((S|0)==18){fa=da;ga=f[l>>2]|0;break}else if((S|0)==50)aq(d)}else{fa=q;ga=p}}else{fa=q;ga=p}while(0);p=a+44|0;f[p>>2]=0;a=fa;fa=ga>>>5;q=a+(fa<<2)|0;S=ga&31;ga=(fa|0)!=0;d:do if(fa|S|0)if(!S){l=a;da=0;ea=ga;while(1){e:do if(ea){if(!(f[l>>2]&1)){ca=da+1|0;f[p>>2]=ca;ha=ca}else ha=da;if(!(f[l>>2]&2)){ca=ha+1|0;f[p>>2]=ca;ia=ca}else ia=ha;if(!(f[l>>2]&4)){ca=ia+1|0;f[p>>2]=ca;ja=ca}else ja=ia;if(!(f[l>>2]&8)){ca=ja+1|0;f[p>>2]=ca;ka=ca}else ka=ja;if(!(f[l>>2]&16)){ca=ka+1|0;f[p>>2]=ca;la=ca}else la=ka;if(!(f[l>>2]&32)){ca=la+1|0;f[p>>2]=ca;ma=ca}else ma=la;if(!(f[l>>2]&64)){ca=ma+1|0;f[p>>2]=ca;na=ca}else na=ma;if(!(f[l>>2]&128)){ca=na+1|0;f[p>>2]=ca;oa=ca}else oa=na;if(!(f[l>>2]&256)){ca=oa+1|0;f[p>>2]=ca;pa=ca}else pa=oa;if(!(f[l>>2]&512)){ca=pa+1|0;f[p>>2]=ca;qa=ca}else qa=pa;if(!(f[l>>2]&1024)){ca=qa+1|0;f[p>>2]=ca;ra=ca}else ra=qa;if(!(f[l>>2]&2048)){ca=ra+1|0;f[p>>2]=ca;sa=ca}else sa=ra;if(!(f[l>>2]&4096)){ca=sa+1|0;f[p>>2]=ca;ta=ca}else ta=sa;if(!(f[l>>2]&8192)){ca=ta+1|0;f[p>>2]=ca;ua=ca}else ua=ta;if(!(f[l>>2]&16384)){ca=ua+1|0;f[p>>2]=ca;va=ca}else va=ua;if(!(f[l>>2]&32768)){ca=va+1|0;f[p>>2]=ca;wa=ca}else wa=va;if(!(f[l>>2]&65536)){ca=wa+1|0;f[p>>2]=ca;xa=ca}else xa=wa;if(!(f[l>>2]&131072)){ca=xa+1|0;f[p>>2]=ca;ya=ca}else ya=xa;if(!(f[l>>2]&262144)){ca=ya+1|0;f[p>>2]=ca;za=ca}else za=ya;if(!(f[l>>2]&524288)){ca=za+1|0;f[p>>2]=ca;Aa=ca}else Aa=za;if(!(f[l>>2]&1048576)){ca=Aa+1|0;f[p>>2]=ca;Ba=ca}else Ba=Aa;if(!(f[l>>2]&2097152)){ca=Ba+1|0;f[p>>2]=ca;Ca=ca}else Ca=Ba;if(!(f[l>>2]&4194304)){ca=Ca+1|0;f[p>>2]=ca;Da=ca}else Da=Ca;if(!(f[l>>2]&8388608)){ca=Da+1|0;f[p>>2]=ca;Ea=ca}else Ea=Da;if(!(f[l>>2]&16777216)){ca=Ea+1|0;f[p>>2]=ca;Fa=ca}else Fa=Ea;if(!(f[l>>2]&33554432)){ca=Fa+1|0;f[p>>2]=ca;Ga=ca}else Ga=Fa;if(!(f[l>>2]&67108864)){ca=Ga+1|0;f[p>>2]=ca;Ha=ca}else Ha=Ga;if(!(f[l>>2]&134217728)){ca=Ha+1|0;f[p>>2]=ca;Ia=ca}else Ia=Ha;if(!(f[l>>2]&268435456)){ca=Ia+1|0;f[p>>2]=ca;Ja=ca}else Ja=Ia;if(!(f[l>>2]&536870912)){ca=Ja+1|0;f[p>>2]=ca;Ka=ca}else Ka=Ja;if(!(f[l>>2]&1073741824)){ca=Ka+1|0;f[p>>2]=ca;La=ca}else La=Ka;if((f[l>>2]|0)<=-1){Ma=La;break}ca=La+1|0;f[p>>2]=ca;Ma=ca}else{ca=0;m=da;while(1){if(!(f[l>>2]&1<>2]=ba;Na=ba}else Na=m;if((ca|0)==31){Ma=Na;break e}ca=ca+1|0;if(!ca)break d;else m=Na}}while(0);l=l+4|0;if((q|0)==(l|0))break;else{da=Ma;ea=1}}}else{if(ga){ea=0;da=a;l=0;while(1){if(!(f[da>>2]&1)){m=l+1|0;f[p>>2]=m;Oa=m;Pa=m}else{Oa=l;Pa=ea}if(!(f[da>>2]&2)){m=Oa+1|0;f[p>>2]=m;Qa=m;Ra=m}else{Qa=Oa;Ra=Pa}if(!(f[da>>2]&4)){m=Qa+1|0;f[p>>2]=m;Sa=m;Ta=m}else{Sa=Qa;Ta=Ra}if(!(f[da>>2]&8)){m=Sa+1|0;f[p>>2]=m;Ua=m;Va=m}else{Ua=Sa;Va=Ta}if(!(f[da>>2]&16)){m=Ua+1|0;f[p>>2]=m;Wa=m;Xa=m}else{Wa=Ua;Xa=Va}if(!(f[da>>2]&32)){m=Wa+1|0;f[p>>2]=m;Ya=m;Za=m}else{Ya=Wa;Za=Xa}if(!(f[da>>2]&64)){m=Ya+1|0;f[p>>2]=m;_a=m;$a=m}else{_a=Ya;$a=Za}if(!(f[da>>2]&128)){m=_a+1|0;f[p>>2]=m;ab=m;bb=m}else{ab=_a;bb=$a}if(!(f[da>>2]&256)){m=ab+1|0;f[p>>2]=m;cb=m;db=m}else{cb=ab;db=bb}if(!(f[da>>2]&512)){m=cb+1|0;f[p>>2]=m;eb=m;fb=m}else{eb=cb;fb=db}if(!(f[da>>2]&1024)){m=eb+1|0;f[p>>2]=m;gb=m;hb=m}else{gb=eb;hb=fb}if(!(f[da>>2]&2048)){m=gb+1|0;f[p>>2]=m;ib=m;jb=m}else{ib=gb;jb=hb}if(!(f[da>>2]&4096)){m=ib+1|0;f[p>>2]=m;kb=m;lb=m}else{kb=ib;lb=jb}if(!(f[da>>2]&8192)){m=kb+1|0;f[p>>2]=m;mb=m;nb=m}else{mb=kb;nb=lb}if(!(f[da>>2]&16384)){m=mb+1|0;f[p>>2]=m;ob=m;pb=m}else{ob=mb;pb=nb}if(!(f[da>>2]&32768)){m=ob+1|0;f[p>>2]=m;qb=m;rb=m}else{qb=ob;rb=pb}if(!(f[da>>2]&65536)){m=qb+1|0;f[p>>2]=m;sb=m;tb=m}else{sb=qb;tb=rb}if(!(f[da>>2]&131072)){m=sb+1|0;f[p>>2]=m;ub=m;vb=m}else{ub=sb;vb=tb}if(!(f[da>>2]&262144)){m=ub+1|0;f[p>>2]=m;wb=m;xb=m}else{wb=ub;xb=vb}if(!(f[da>>2]&524288)){m=wb+1|0;f[p>>2]=m;yb=m;zb=m}else{yb=wb;zb=xb}if(!(f[da>>2]&1048576)){m=yb+1|0;f[p>>2]=m;Ab=m;Bb=m}else{Ab=yb;Bb=zb}if(!(f[da>>2]&2097152)){m=Ab+1|0;f[p>>2]=m;Cb=m;Db=m}else{Cb=Ab;Db=Bb}if(!(f[da>>2]&4194304)){m=Cb+1|0;f[p>>2]=m;Eb=m;Fb=m}else{Eb=Cb;Fb=Db}if(!(f[da>>2]&8388608)){m=Eb+1|0;f[p>>2]=m;Gb=m;Hb=m}else{Gb=Eb;Hb=Fb}if(!(f[da>>2]&16777216)){m=Gb+1|0;f[p>>2]=m;Ib=m;Jb=m}else{Ib=Gb;Jb=Hb}if(!(f[da>>2]&33554432)){m=Ib+1|0;f[p>>2]=m;Kb=m;Lb=m}else{Kb=Ib;Lb=Jb}if(!(f[da>>2]&67108864)){m=Kb+1|0;f[p>>2]=m;Mb=m;Nb=m}else{Mb=Kb;Nb=Lb}if(!(f[da>>2]&134217728)){m=Mb+1|0;f[p>>2]=m;Ob=m;Pb=m}else{Ob=Mb;Pb=Nb}if(!(f[da>>2]&268435456)){m=Ob+1|0;f[p>>2]=m;Qb=m;Rb=m}else{Qb=Ob;Rb=Pb}if(!(f[da>>2]&536870912)){m=Qb+1|0;f[p>>2]=m;Sb=m;Tb=m}else{Sb=Qb;Tb=Rb}if(!(f[da>>2]&1073741824)){m=Sb+1|0;f[p>>2]=m;Ub=m;Vb=m}else{Ub=Sb;Vb=Tb}if((f[da>>2]|0)>-1){m=Ub+1|0;f[p>>2]=m;Wb=m;Xb=m}else{Wb=Ub;Xb=Vb}m=da+4|0;if((q|0)==(m|0)){Yb=m;Zb=Xb;break}else{ea=Xb;da=m;l=Wb}}}else{Yb=a;Zb=0}l=0;da=Zb;while(1){if(!(f[Yb>>2]&1<>2]=ea;_b=ea}else _b=da;l=l+1|0;if((l|0)==(S|0))break;else da=_b}}while(0);_b=f[e>>2]|0;if(_b|0)Oq(_b);_b=f[d>>2]|0;if(!_b){u=c;return 1}Oq(_b);u=c;return 1}function fb(a,c,d,e,g,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0.0,Ua=0.0,Va=0.0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0,Hb=0,Ib=0;i=u;u=u+256|0;e=i+104|0;j=i+240|0;k=i+224|0;l=i+160|0;m=i+140|0;n=i+248|0;o=i+72|0;p=i+40|0;q=i+128|0;r=i;s=i+232|0;t=i+220|0;v=i+216|0;w=i+212|0;x=i+208|0;y=i+152|0;z=f[a+28>>2]|0;A=f[a+32>>2]|0;B=l;C=B+48|0;do{f[B>>2]=0;B=B+4|0}while((B|0)<(C|0));if(!g){D=0;E=0}else{Ci(l,g);D=f[l+12>>2]|0;E=f[l+16>>2]|0}B=l+16|0;C=E-D>>2;F=D;D=E;if(C>>>0>=g>>>0){if(C>>>0>g>>>0?(E=F+(g<<2)|0,(E|0)!=(D|0)):0)f[B>>2]=D+(~((D+-4-E|0)>>>2)<<2)}else Ci(l+12|0,g-C|0);C=l+24|0;E=l+28|0;D=f[E>>2]|0;B=f[C>>2]|0;F=D-B>>2;G=B;B=D;if(F>>>0>=g>>>0){if(F>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[E>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else Ci(C,g-F|0);F=l+36|0;C=l+40|0;D=f[C>>2]|0;B=f[F>>2]|0;E=D-B>>2;G=B;B=D;if(E>>>0>=g>>>0){if(E>>>0>g>>>0?(D=G+(g<<2)|0,(D|0)!=(B|0)):0)f[C>>2]=B+(~((B+-4-D|0)>>>2)<<2)}else Ci(F,g-E|0);f[m>>2]=0;E=m+4|0;f[E>>2]=0;f[m+8>>2]=0;F=(g|0)==0;do if(!F)if(g>>>0>1073741823)aq(m);else{D=g<<2;B=ln(D)|0;f[m>>2]=B;C=B+(g<<2)|0;f[m+8>>2]=C;sj(B|0,0,D|0)|0;f[E>>2]=C;break}while(0);C=a+136|0;D=a+140|0;B=f[D>>2]|0;G=f[C>>2]|0;H=B-G>>2;L=G;G=B;if(H>>>0>=g>>>0){if(H>>>0>g>>>0?(B=L+(g<<2)|0,(B|0)!=(G|0)):0)f[D>>2]=G+(~((G+-4-B|0)>>>2)<<2)}else Ci(C,g-H|0);f[o>>2]=0;f[o+4>>2]=0;f[o+8>>2]=0;f[o+12>>2]=0;f[o+16>>2]=0;f[o+20>>2]=0;f[o+24>>2]=0;f[o+28>>2]=0;f[p>>2]=0;f[p+4>>2]=0;f[p+8>>2]=0;f[p+12>>2]=0;f[p+16>>2]=0;f[p+20>>2]=0;f[p+24>>2]=0;f[p+28>>2]=0;f[q>>2]=0;H=q+4|0;f[H>>2]=0;f[q+8>>2]=0;if(F){M=0;N=0;O=0;P=0}else{F=g<<2;B=ln(F)|0;f[q>>2]=B;G=B+(g<<2)|0;f[q+8>>2]=G;sj(B|0,0,F|0)|0;f[H>>2]=G;M=B;N=G;O=G;P=B}B=a+36|0;G=f[B>>2]|0;F=f[G+4>>2]|0;D=f[G>>2]|0;L=F-D|0;a:do if((L|0)>4){Q=L>>2;R=z+12|0;S=(g|0)>0;T=r+4|0;U=r+8|0;V=r+12|0;Z=a+136|0;_=a+96|0;$=r+16|0;aa=r+28|0;ba=a+8|0;ca=j+4|0;da=k+4|0;ea=e+4|0;fa=r+28|0;ga=r+16|0;ha=r+20|0;ia=r+32|0;ja=n+1|0;ka=g<<2;la=(g|0)==1;ma=Q+-1|0;if(F-D>>2>>>0>ma>>>0){na=Q;oa=ma;pa=P;qa=O;ra=M;sa=M;ta=N;ua=M;va=N;wa=D}else{xa=G;aq(xa)}b:while(1){ma=f[wa+(oa<<2)>>2]|0;Q=(((ma>>>0)%3|0|0)==0?2:-1)+ma|0;ya=(ma|0)==-1|(Q|0)==-1;za=1;Aa=0;Ba=ma;c:while(1){Ca=za^1;Da=Aa;Ea=Ba;while(1){if((Ea|0)==-1){Fa=Da;break c}Ga=f[l+(Da*12|0)>>2]|0;Ha=f[R>>2]|0;Ia=f[Ha+(Ea<<2)>>2]|0;if((Ia|0)!=-1){Ja=f[z>>2]|0;Ka=f[A>>2]|0;La=f[Ka+(f[Ja+(Ia<<2)>>2]<<2)>>2]|0;Ma=Ia+1|0;Na=((Ma>>>0)%3|0|0)==0?Ia+-2|0:Ma;if((Na|0)==-1)Oa=-1;else Oa=f[Ja+(Na<<2)>>2]|0;Na=f[Ka+(Oa<<2)>>2]|0;Ma=(((Ia>>>0)%3|0|0)==0?2:-1)+Ia|0;if((Ma|0)==-1)Pa=-1;else Pa=f[Ja+(Ma<<2)>>2]|0;Ma=f[Ka+(Pa<<2)>>2]|0;if((La|0)<(oa|0)&(Na|0)<(oa|0)&(Ma|0)<(oa|0)){Ka=X(La,g)|0;La=X(Na,g)|0;Na=X(Ma,g)|0;if(S){Ma=0;do{f[Ga+(Ma<<2)>>2]=(f[c+(Ma+Na<<2)>>2]|0)+(f[c+(Ma+La<<2)>>2]|0)-(f[c+(Ma+Ka<<2)>>2]|0);Ma=Ma+1|0}while((Ma|0)!=(g|0))}Ma=Da+1|0;if((Ma|0)==4){Fa=4;break c}else Qa=Ma}else Qa=Da}else Qa=Da;do if(za){Ma=Ea+1|0;Ka=((Ma>>>0)%3|0|0)==0?Ea+-2|0:Ma;if((Ka|0)!=-1?(Ma=f[Ha+(Ka<<2)>>2]|0,Ka=Ma+1|0,(Ma|0)!=-1):0)Ra=((Ka>>>0)%3|0|0)==0?Ma+-2|0:Ka;else Ra=-1}else{Ka=(((Ea>>>0)%3|0|0)==0?2:-1)+Ea|0;if((Ka|0)!=-1?(Ma=f[Ha+(Ka<<2)>>2]|0,(Ma|0)!=-1):0)if(!((Ma>>>0)%3|0)){Ra=Ma+2|0;break}else{Ra=Ma+-1|0;break}else Ra=-1}while(0);if((Ra|0)==(ma|0)){Fa=Qa;break c}if((Ra|0)!=-1|Ca){Da=Qa;Ea=Ra}else break}if(ya){za=0;Aa=Qa;Ba=-1;continue}Ea=f[Ha+(Q<<2)>>2]|0;if((Ea|0)==-1){za=0;Aa=Qa;Ba=-1;continue}if(!((Ea>>>0)%3|0)){za=0;Aa=Qa;Ba=Ea+2|0;continue}else{za=0;Aa=Qa;Ba=Ea+-1|0;continue}}Ba=X(oa,g)|0;f[r>>2]=0;f[T>>2]=0;b[U>>0]=0;f[V>>2]=0;f[V+4>>2]=0;f[V+8>>2]=0;f[V+12>>2]=0;f[V+16>>2]=0;f[V+20>>2]=0;f[V+24>>2]=0;Aa=Fa+-1|0;za=p+(Aa<<3)|0;Q=za;ya=Vn(f[Q>>2]|0,f[Q+4>>2]|0,Fa|0,((Fa|0)<0)<<31>>31|0)|0;Q=I;ma=za;f[ma>>2]=ya;f[ma+4>>2]=Q;ma=c+((X(na+-2|0,g)|0)<<2)|0;za=c+(Ba<<2)|0;Ea=f[Z>>2]|0;if(S){Da=0;Ca=0;while(1){Ma=(f[ma+(Da<<2)>>2]|0)-(f[za+(Da<<2)>>2]|0)|0;Ka=((Ma|0)>-1?Ma:0-Ma|0)+Ca|0;f[ra+(Da<<2)>>2]=Ma;f[Ea+(Da<<2)>>2]=Ma<<1^Ma>>31;Da=Da+1|0;if((Da|0)==(g|0)){Sa=Ka;break}else Ca=Ka}}else Sa=0;mo(e,_,Ea,g);Ca=Zk(e)|0;Da=I;Ka=Bm(e)|0;Ma=I;La=o+(Aa<<3)|0;Na=La;Ga=f[Na>>2]|0;Ja=f[Na+4>>2]|0;Ta=+wm(ya,Ga);Na=Vn(Ka|0,Ma|0,Ca|0,Da|0)|0;Ua=+(ya>>>0)+4294967296.0*+(Q|0);Va=+W(+(Ta*Ua));Da=Vn(Na|0,I|0,~~Va>>>0|0,(+K(Va)>=1.0?(Va>0.0?~~+Y(+J(Va/4294967296.0),4294967295.0)>>>0:~~+W((Va-+(~~Va>>>0))/4294967296.0)>>>0):0)|0)|0;Na=r;f[Na>>2]=Da;f[Na+4>>2]=Sa;b[U>>0]=0;f[V>>2]=0;$f($,ma,ma+(g<<2)|0);f[s>>2]=pa;f[t>>2]=qa;f[j>>2]=f[s>>2];f[e>>2]=f[t>>2];Jf(aa,j,e);if((Fa|0)<1){Wa=va;Xa=ua;Ya=ta;Za=sa;_a=qa;$a=pa;ab=pa}else{Na=n+Fa|0;Da=f[q>>2]|0;Ca=Da;Ma=f[H>>2]|0;Ka=Na+-1|0;Ia=(Ka|0)==(n|0);bb=Na+-2|0;cb=ja>>>0>>0;db=~Fa;eb=Fa+2+((db|0)>-2?db:-2)|0;db=Ma;fb=Ka>>>0>n>>>0;gb=0;hb=1;while(1){gb=gb+1|0;sj(n|0,1,eb|0)|0;sj(n|0,0,gb|0)|0;ib=Vn(Ga|0,Ja|0,hb|0,0)|0;d:while(1){if(S){sj(f[m>>2]|0,0,ka|0)|0;jb=f[m>>2]|0;kb=0;lb=0;while(1){if(!(b[n+kb>>0]|0)){mb=f[l+(kb*12|0)>>2]|0;nb=0;do{ob=jb+(nb<<2)|0;f[ob>>2]=(f[ob>>2]|0)+(f[mb+(nb<<2)>>2]|0);nb=nb+1|0}while((nb|0)!=(g|0));pb=(1<>0]|0))rb=(1<>2]|0;do if(S){f[kb>>2]=(f[kb>>2]|0)/(hb|0)|0;if(!la){lb=1;do{jb=kb+(lb<<2)|0;f[jb>>2]=(f[jb>>2]|0)/(hb|0)|0;lb=lb+1|0}while((lb|0)!=(g|0));lb=f[Z>>2]|0;if(S)sb=lb;else{tb=0;ub=lb;break}}else sb=f[Z>>2]|0;lb=0;jb=0;while(1){nb=(f[kb+(lb<<2)>>2]|0)-(f[za+(lb<<2)>>2]|0)|0;mb=((nb|0)>-1?nb:0-nb|0)+jb|0;f[Da+(lb<<2)>>2]=nb;f[sb+(lb<<2)>>2]=nb<<1^nb>>31;lb=lb+1|0;if((lb|0)==(g|0)){tb=mb;ub=sb;break}else jb=mb}}else{tb=0;ub=f[Z>>2]|0}while(0);mo(e,_,ub,g);kb=Zk(e)|0;jb=I;lb=Bm(e)|0;mb=I;Va=+wm(ya,ib);nb=Vn(lb|0,mb|0,kb|0,jb|0)|0;Ta=+W(+(Va*Ua));jb=Vn(nb|0,I|0,~~Ta>>>0|0,(+K(Ta)>=1.0?(Ta>0.0?~~+Y(+J(Ta/4294967296.0),4294967295.0)>>>0:~~+W((Ta-+(~~Ta>>>0))/4294967296.0)>>>0):0)|0)|0;nb=f[r>>2]|0;if(!((nb|0)<=(jb|0)?!((nb|0)>=(jb|0)?(tb|0)<(f[T>>2]|0):0):0)){nb=r;f[nb>>2]=jb;f[nb+4>>2]=tb;b[U>>0]=qb;f[V>>2]=hb;f[v>>2]=f[m>>2];f[w>>2]=f[E>>2];f[j>>2]=f[v>>2];f[e>>2]=f[w>>2];Jf($,j,e);f[x>>2]=Ca;f[y>>2]=Ma;f[j>>2]=f[x>>2];f[e>>2]=f[y>>2];Jf(aa,j,e)}if(Ia)break;vb=b[Ka>>0]|0;nb=-1;jb=vb;while(1){kb=nb+-1|0;wb=Na+kb|0;mb=jb;jb=b[wb>>0]|0;if((jb&255)<(mb&255))break;if((wb|0)==(n|0)){xb=84;break d}else nb=kb}kb=Na+nb|0;if((jb&255)<(vb&255)){yb=Ka;zb=vb}else{mb=Na;lb=Ka;while(1){ob=lb+-1|0;if((jb&255)<(h[mb+-2>>0]|0)){yb=ob;zb=1;break}else{Ab=lb;lb=ob;mb=Ab}}}b[wb>>0]=zb;b[yb>>0]=jb;if((nb|0)<-1){Bb=kb;Cb=Ka}else continue;while(1){mb=b[Bb>>0]|0;b[Bb>>0]=b[Cb>>0]|0;b[Cb>>0]=mb;mb=Bb+1|0;lb=Cb+-1|0;if(mb>>>0>>0){Bb=mb;Cb=lb}else continue d}}if(((xb|0)==84?(xb=0,fb):0)?(ib=b[n>>0]|0,b[n>>0]=vb,b[Ka>>0]=ib,cb):0){ib=bb;kb=ja;do{nb=b[kb>>0]|0;b[kb>>0]=b[ib>>0]|0;b[ib>>0]=nb;kb=kb+1|0;ib=ib+-1|0}while(kb>>>0>>0)}if((hb|0)>=(Fa|0)){Wa=db;Xa=Da;Ya=db;Za=Da;_a=Ma;$a=Ca;ab=Da;break}else hb=hb+1|0}}hb=f[V>>2]|0;Da=Vn(Ga|0,Ja|0,hb|0,((hb|0)<0)<<31>>31|0)|0;hb=La;f[hb>>2]=Da;f[hb+4>>2]=I;if(S){hb=f[aa>>2]|0;Da=f[C>>2]|0;Ca=0;do{Ma=f[hb+(Ca<<2)>>2]|0;f[Da+(Ca<<2)>>2]=Ma<<1^Ma>>31;Ca=Ca+1|0}while((Ca|0)!=(g|0));Db=Da}else Db=f[C>>2]|0;lo(e,_,Db,g);if((Fa|0)>0){Eb=a+40+(Aa*12|0)|0;Da=a+40+(Aa*12|0)+4|0;Ca=a+40+(Aa*12|0)+8|0;hb=0;do{La=f[Da>>2]|0;Ja=f[Ca>>2]|0;Ga=(La|0)==(Ja<<5|0);if(!(1<>0])){if(Ga){if((La+1|0)<0){xb=95;break b}Ma=Ja<<6;db=La+32&-32;vi(Eb,La>>>0<1073741823?(Ma>>>0>>0?db:Ma):2147483647);Fb=f[Da>>2]|0}else Fb=La;f[Da>>2]=Fb+1;Ma=(f[Eb>>2]|0)+(Fb>>>5<<2)|0;f[Ma>>2]=f[Ma>>2]|1<<(Fb&31)}else{if(Ga){if((La+1|0)<0){xb=100;break b}Ga=Ja<<6;Ja=La+32&-32;vi(Eb,La>>>0<1073741823?(Ga>>>0>>0?Ja:Ga):2147483647);Gb=f[Da>>2]|0}else Gb=La;f[Da>>2]=Gb+1;La=(f[Eb>>2]|0)+(Gb>>>5<<2)|0;f[La>>2]=f[La>>2]&~(1<<(Gb&31))}hb=hb+1|0}while((hb|0)<(Fa|0))}hb=f[$>>2]|0;Da=d+(Ba<<2)|0;Ca=f[za+4>>2]|0;Aa=f[hb>>2]|0;La=f[hb+4>>2]|0;f[j>>2]=f[za>>2];f[ca>>2]=Ca;f[k>>2]=Aa;f[da>>2]=La;Od(e,ba,j,k);f[Da>>2]=f[e>>2];f[Da+4>>2]=f[ea>>2];Da=f[fa>>2]|0;if(Da|0){La=f[ia>>2]|0;if((La|0)!=(Da|0))f[ia>>2]=La+(~((La+-4-Da|0)>>>2)<<2);Oq(Da)}Da=f[ga>>2]|0;if(Da|0){La=f[ha>>2]|0;if((La|0)!=(Da|0))f[ha>>2]=La+(~((La+-4-Da|0)>>>2)<<2);Oq(Da)}if((na|0)<=2){Hb=Za;Ib=Ya;break a}Da=f[B>>2]|0;wa=f[Da>>2]|0;La=oa+-1|0;if((f[Da+4>>2]|0)-wa>>2>>>0<=La>>>0){xa=Da;xb=18;break}else{Da=oa;oa=La;pa=$a;qa=_a;ra=ab;sa=Za;ta=Ya;ua=Xa;va=Wa;na=Da}}if((xb|0)==18)aq(xa);else if((xb|0)==95)aq(Eb);else if((xb|0)==100)aq(Eb)}else{Hb=M;Ib=N}while(0);if((g|0)>0)sj(f[l>>2]|0,0,g<<2|0)|0;g=f[l>>2]|0;N=f[c+4>>2]|0;M=f[g>>2]|0;Eb=f[g+4>>2]|0;f[j>>2]=f[c>>2];f[j+4>>2]=N;f[k>>2]=M;f[k+4>>2]=Eb;Od(e,a+8|0,j,k);f[d>>2]=f[e>>2];f[d+4>>2]=f[e+4>>2];if(Hb|0){if((Ib|0)!=(Hb|0))f[H>>2]=Ib+(~((Ib+-4-Hb|0)>>>2)<<2);Oq(Hb)}Hb=f[m>>2]|0;if(Hb|0){m=f[E>>2]|0;if((m|0)!=(Hb|0))f[E>>2]=m+(~((m+-4-Hb|0)>>>2)<<2);Oq(Hb)}Hb=f[l+36>>2]|0;if(Hb|0){m=l+40|0;E=f[m>>2]|0;if((E|0)!=(Hb|0))f[m>>2]=E+(~((E+-4-Hb|0)>>>2)<<2);Oq(Hb)}Hb=f[l+24>>2]|0;if(Hb|0){E=l+28|0;m=f[E>>2]|0;if((m|0)!=(Hb|0))f[E>>2]=m+(~((m+-4-Hb|0)>>>2)<<2);Oq(Hb)}Hb=f[l+12>>2]|0;if(Hb|0){m=l+16|0;E=f[m>>2]|0;if((E|0)!=(Hb|0))f[m>>2]=E+(~((E+-4-Hb|0)>>>2)<<2);Oq(Hb)}Hb=f[l>>2]|0;if(!Hb){u=i;return 1}E=l+4|0;l=f[E>>2]|0;if((l|0)!=(Hb|0))f[E>>2]=l+(~((l+-4-Hb|0)>>>2)<<2);Oq(Hb);u=i;return 1}function gb(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=Oa,La=0,Ma=0,Na=0,Pa=0,Qa=Oa,Ra=0,Sa=0,Ta=0,Ua=0,Va=0;c=u;u=u+80|0;d=c+60|0;e=c+48|0;g=c+24|0;h=c+12|0;i=c;j=a+28|0;k=f[j>>2]|0;l=f[k+4>>2]|0;m=f[l+80>>2]|0;o=a+4|0;p=a+8|0;q=f[p>>2]|0;r=f[o>>2]|0;s=(q|0)==(r|0);t=r;if(s){f[a+72>>2]=0;v=1;u=c;return v|0}w=f[l+8>>2]|0;x=q-r>>2;r=0;q=0;do{r=r+(b[(f[w+(f[t+(q<<2)>>2]<<2)>>2]|0)+24>>0]|0)|0;q=q+1|0}while(q>>>0>>0);f[a+72>>2]=r;if(s){v=1;u=c;return v|0}s=g+4|0;r=g+8|0;x=d+8|0;q=d+4|0;w=d+11|0;y=g+12|0;z=d+8|0;A=d+4|0;B=d+11|0;C=h+4|0;D=h+8|0;E=i+8|0;F=i+4|0;G=d+11|0;H=d+4|0;I=i+11|0;J=d+8|0;K=d+4|0;L=d+11|0;M=d+11|0;N=d+4|0;O=h+8|0;P=a+40|0;Q=a+44|0;R=a+36|0;S=a+64|0;T=a+68|0;U=a+60|0;V=g+8|0;W=g+20|0;X=e+8|0;Y=e+4|0;Z=e+11|0;_=g+4|0;aa=g+8|0;ba=h+4|0;ca=h+8|0;da=h+8|0;ea=a+52|0;fa=a+56|0;ga=a+48|0;a=g+8|0;ha=0;ia=t;t=l;l=k;a:while(1){k=f[ia+(ha<<2)>>2]|0;ja=f[(f[t+8>>2]|0)+(k<<2)>>2]|0;switch(f[ja+28>>2]|0){case 9:{f[g>>2]=1196;f[s>>2]=-1;f[r>>2]=0;f[r+4>>2]=0;f[r+8>>2]=0;f[r+12>>2]=0;ka=f[l+48>>2]|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;la=ln(32)|0;f[d>>2]=la;f[x>>2]=-2147483616;f[q>>2]=17;ma=la;na=14495;oa=ma+17|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[la+17>>0]=0;pa=ka+16|0;qa=f[pa>>2]|0;if(qa){ra=pa;sa=qa;b:while(1){qa=sa;while(1){if((f[qa+16>>2]|0)>=(k|0))break;ta=f[qa+4>>2]|0;if(!ta){ua=ra;break b}else qa=ta}sa=f[qa>>2]|0;if(!sa){ua=qa;break}else ra=qa}if(((ua|0)!=(pa|0)?(k|0)>=(f[ua+16>>2]|0):0)?(ra=ua+20|0,(Jh(ra,d)|0)!=0):0)va=Hk(ra,d,-1)|0;else wa=17}else wa=17;if((wa|0)==17){wa=0;va=Hk(ka,d,-1)|0}if((b[w>>0]|0)<0)Oq(f[d>>2]|0);if((va|0)<1)xa=1;else{ra=f[(f[j>>2]|0)+48>>2]|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;sa=ln(32)|0;f[d>>2]=sa;f[z>>2]=-2147483616;f[A>>2]=19;ma=sa;na=14438;oa=ma+19|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[sa+19>>0]=0;ka=ra+16|0;pa=f[ka>>2]|0;if(pa){la=ka;ta=pa;c:while(1){pa=ta;while(1){if((f[pa+16>>2]|0)>=(k|0))break;ya=f[pa+4>>2]|0;if(!ya){za=la;break c}else pa=ya}ta=f[pa>>2]|0;if(!ta){za=pa;break}else la=pa}if((za|0)!=(ka|0)?(k|0)>=(f[za+16>>2]|0):0)Aa=za+20|0;else wa=29}else wa=29;if((wa|0)==29){wa=0;Aa=ra}if(!(Jh(Aa,d)|0))Ba=0;else{la=f[(f[j>>2]|0)+48>>2]|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;ta=ln(32)|0;f[e>>2]=ta;f[X>>2]=-2147483616;f[Y>>2]=18;ma=ta;na=14458;oa=ma+18|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[ta+18>>0]=0;ra=la+16|0;ka=f[ra>>2]|0;if(ka){sa=ra;qa=ka;d:while(1){ka=qa;while(1){if((f[ka+16>>2]|0)>=(k|0))break;ya=f[ka+4>>2]|0;if(!ya){Ca=sa;break d}else ka=ya}qa=f[ka>>2]|0;if(!qa){Ca=ka;break}else sa=ka}if((Ca|0)!=(ra|0)?(k|0)>=(f[Ca+16>>2]|0):0)Da=Ca+20|0;else wa=39}else wa=39;if((wa|0)==39){wa=0;Da=la}sa=(Jh(Da,e)|0)!=0;if((b[Z>>0]|0)<0)Oq(f[e>>2]|0);Ba=sa}if((b[B>>0]|0)<0)Oq(f[d>>2]|0);if(Ba){sa=ja+24|0;qa=b[sa>>0]|0;ta=qa<<24>>24;f[h>>2]=0;f[C>>2]=0;f[D>>2]=0;if(!(qa<<24>>24))Ea=0;else{if(qa<<24>>24<0){wa=48;break a}qa=ta<<2;pa=ln(qa)|0;f[h>>2]=pa;ya=pa+(ta<<2)|0;f[O>>2]=ya;sj(pa|0,0,qa|0)|0;f[C>>2]=ya;Ea=pa}pa=f[(f[j>>2]|0)+48>>2]|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;ya=ln(32)|0;f[i>>2]=ya;f[E>>2]=-2147483616;f[F>>2]=19;ma=ya;na=14438;oa=ma+19|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[ya+19>>0]=0;la=b[sa>>0]|0;ra=la<<24>>24;qa=pa+16|0;ta=f[qa>>2]|0;if(ta){Fa=qa;Ga=ta;e:while(1){ta=Ga;while(1){if((f[ta+16>>2]|0)>=(k|0))break;Ha=f[ta+4>>2]|0;if(!Ha){Ia=Fa;break e}else ta=Ha}Ga=f[ta>>2]|0;if(!Ga){Ia=ta;break}else Fa=ta}if(((Ia|0)!=(qa|0)?(k|0)>=(f[Ia+16>>2]|0):0)?(Fa=Ia+20|0,(Jh(Fa,i)|0)!=0):0){Ga=Rg(Fa,i)|0;if((Ga|0)!=(Ia+24|0)){pj(d,Ga+28|0);Ga=b[M>>0]|0;Fa=Ga<<24>>24<0;if(!((Fa?f[N>>2]|0:Ga&255)|0))Ja=Ga;else{if(la<<24>>24>0){ya=Fa?f[d>>2]|0:d;Fa=0;do{Ka=$(bq(ya,e));ka=ya;ya=f[e>>2]|0;if((ka|0)==(ya|0))break;n[Ea+(Fa<<2)>>2]=Ka;Fa=Fa+1|0}while((Fa|0)<(ra|0));La=b[M>>0]|0}else La=Ga;Ja=La}if(Ja<<24>>24<0)Oq(f[d>>2]|0)}}else wa=69}else wa=69;if((wa|0)==69?(wa=0,Fa=Rg(pa,i)|0,(Fa|0)!=(pa+4|0)):0){pj(d,Fa+28|0);Fa=b[G>>0]|0;ya=Fa<<24>>24<0;if(!((ya?f[H>>2]|0:Fa&255)|0))Ma=Fa;else{if(la<<24>>24>0){qa=ya?f[d>>2]|0:d;ya=0;do{Ka=$(bq(qa,e));ka=qa;qa=f[e>>2]|0;if((ka|0)==(qa|0))break;n[Ea+(ya<<2)>>2]=Ka;ya=ya+1|0}while((ya|0)<(ra|0));Na=b[G>>0]|0}else Na=Fa;Ma=Na}if(Ma<<24>>24<0)Oq(f[d>>2]|0)}if((b[I>>0]|0)<0)Oq(f[i>>2]|0);ra=f[(f[j>>2]|0)+48>>2]|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;ya=ln(32)|0;f[d>>2]=ya;f[J>>2]=-2147483616;f[K>>2]=18;ma=ya;na=14458;oa=ma+18|0;do{b[ma>>0]=b[na>>0]|0;ma=ma+1|0;na=na+1|0}while((ma|0)<(oa|0));b[ya+18>>0]=0;na=ra+16|0;ma=f[na>>2]|0;do if(ma){oa=na;Fa=ma;f:while(1){qa=Fa;while(1){if((f[qa+16>>2]|0)>=(k|0))break;la=f[qa+4>>2]|0;if(!la){Pa=oa;break f}else qa=la}Fa=f[qa>>2]|0;if(!Fa){Pa=qa;break}else oa=qa}if((Pa|0)!=(na|0)?(k|0)>=(f[Pa+16>>2]|0):0){oa=Pa+20|0;if(!(Jh(oa,d)|0)){wa=91;break}Qa=$(sk(oa,d,$(1.0)))}else wa=91}else wa=91;while(0);if((wa|0)==91){wa=0;Qa=$(sk(ra,d,$(1.0)))}if((b[L>>0]|0)<0)Oq(f[d>>2]|0);Dl(g,va,f[h>>2]|0,b[sa>>0]|0,Qa);k=f[h>>2]|0;if(k|0){na=f[C>>2]|0;if((na|0)!=(k|0))f[C>>2]=na+(~((na+-4-k|0)>>>2)<<2);Oq(k)}}else Wd(g,ja,va)|0;k=f[P>>2]|0;if((k|0)==(f[Q>>2]|0))Cf(R,g);else{f[k>>2]=1196;f[k+4>>2]=f[s>>2];Ra=k+8|0;f[Ra>>2]=0;na=k+12|0;f[na>>2]=0;f[k+16>>2]=0;ma=(f[y>>2]|0)-(f[V>>2]|0)|0;ya=ma>>2;if(ya|0){if(ya>>>0>1073741823){wa=103;break a}oa=ln(ma)|0;f[na>>2]=oa;f[Ra>>2]=oa;f[k+16>>2]=oa+(ya<<2);ya=f[V>>2]|0;ma=(f[y>>2]|0)-ya|0;if((ma|0)>0){kh(oa|0,ya|0,ma|0)|0;f[na>>2]=oa+(ma>>>2<<2)}}f[k+20>>2]=f[W>>2];f[P>>2]=(f[P>>2]|0)+24}Qe(d,g,ja,m);k=f[S>>2]|0;if(k>>>0<(f[T>>2]|0)>>>0){ma=f[d>>2]|0;f[d>>2]=0;f[k>>2]=ma;f[S>>2]=k+4}else Ze(U,d);k=f[d>>2]|0;f[d>>2]=0;if(k|0){ma=k+88|0;oa=f[ma>>2]|0;f[ma>>2]=0;if(oa|0){ma=f[oa+8>>2]|0;if(ma|0){na=oa+12|0;if((f[na>>2]|0)!=(ma|0))f[na>>2]=ma;Oq(ma)}Oq(oa)}oa=f[k+68>>2]|0;if(oa|0){ma=k+72|0;na=f[ma>>2]|0;if((na|0)!=(oa|0))f[ma>>2]=na+(~((na+-4-oa|0)>>>2)<<2);Oq(oa)}oa=k+64|0;na=f[oa>>2]|0;f[oa>>2]=0;if(na|0){oa=f[na>>2]|0;if(oa|0){ma=na+4|0;if((f[ma>>2]|0)!=(oa|0))f[ma>>2]=oa;Oq(oa)}Oq(na)}Oq(k)}xa=0}f[g>>2]=1196;k=f[r>>2]|0;if(k|0){na=f[y>>2]|0;if((na|0)!=(k|0))f[y>>2]=na+(~((na+-4-k|0)>>>2)<<2);Oq(k)}if(xa|0){v=0;wa=169;break a}break}case 1:case 3:case 5:{k=ja+24|0;na=b[k>>0]|0;oa=na<<24>>24;f[g>>2]=0;f[_>>2]=0;f[aa>>2]=0;if(!(na<<24>>24))Sa=0;else{if(na<<24>>24<0){wa=137;break a}na=ln(oa<<2)|0;f[_>>2]=na;f[g>>2]=na;ma=na+(oa<<2)|0;f[a>>2]=ma;ya=oa;oa=na;while(1){f[oa>>2]=2147483647;ya=ya+-1|0;if(!ya)break;else oa=oa+4|0}f[_>>2]=ma;Sa=b[k>>0]|0}oa=Sa<<24>>24;f[h>>2]=0;f[ba>>2]=0;f[ca>>2]=0;if(!(Sa<<24>>24))Ta=0;else{if(Sa<<24>>24<0){wa=144;break a}ya=oa<<2;sa=ln(ya)|0;f[h>>2]=sa;ra=sa+(oa<<2)|0;f[da>>2]=ra;sj(sa|0,0,ya|0)|0;f[ba>>2]=ra;Ta=sa}sa=ja+80|0;ra=b[k>>0]|0;g:do if(!(f[sa>>2]|0))Ua=ra;else{ya=0;oa=ra;na=Ta;while(1){f[e>>2]=ya;f[d>>2]=f[e>>2];Qb(ja,d,oa,na)|0;Fa=b[k>>0]|0;if(Fa<<24>>24>0){ta=f[g>>2]|0;la=f[h>>2]|0;pa=Fa<<24>>24;Ga=0;do{ka=ta+(Ga<<2)|0;Ha=f[la+(Ga<<2)>>2]|0;if((f[ka>>2]|0)>(Ha|0))f[ka>>2]=Ha;Ga=Ga+1|0}while((Ga|0)<(pa|0))}pa=ya+1|0;if(pa>>>0>=(f[sa>>2]|0)>>>0){Ua=Fa;break g}ya=pa;oa=Fa;na=f[h>>2]|0}}while(0);if(Ua<<24>>24>0){sa=0;ja=Ua;while(1){ra=(f[g>>2]|0)+(sa<<2)|0;ma=f[ea>>2]|0;if((ma|0)==(f[fa>>2]|0)){Ri(ga,ra);Va=b[k>>0]|0}else{f[ma>>2]=f[ra>>2];f[ea>>2]=ma+4;Va=ja}sa=sa+1|0;if((sa|0)>=(Va<<24>>24|0))break;else ja=Va}}ja=f[h>>2]|0;if(ja|0){sa=f[ba>>2]|0;if((sa|0)!=(ja|0))f[ba>>2]=sa+(~((sa+-4-ja|0)>>>2)<<2);Oq(ja)}ja=f[g>>2]|0;if(ja|0){sa=f[_>>2]|0;if((sa|0)!=(ja|0))f[_>>2]=sa+(~((sa+-4-ja|0)>>>2)<<2);Oq(ja)}break}default:{}}ja=ha+1|0;sa=f[o>>2]|0;if(ja>>>0>=(f[p>>2]|0)-sa>>2>>>0){v=1;wa=169;break}k=f[j>>2]|0;ha=ja;ia=sa;t=f[k+4>>2]|0;l=k}if((wa|0)==48)aq(h);else if((wa|0)==103)aq(Ra);else if((wa|0)==137)aq(g);else if((wa|0)==144)aq(h);else if((wa|0)==169){u=c;return v|0}return 0}function hb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0;d=u;u=u+32|0;e=d;g=a+8|0;h=f[g>>2]|0;f[e>>2]=0;i=e+4|0;f[i>>2]=0;f[e+8>>2]=0;do if(h)if(h>>>0>1073741823)aq(e);else{j=h<<2;k=ln(j)|0;f[e>>2]=k;l=k+(h<<2)|0;f[e+8>>2]=l;sj(k|0,0,j|0)|0;f[i>>2]=l;m=l;n=k;break}else{m=0;n=0}while(0);k=a+128|0;l=f[k>>2]|0;j=f[l>>2]|0;o=l+4|0;if(!j){p=l+8|0;q=n;r=m;s=h}else{h=f[o>>2]|0;if((h|0)!=(j|0))f[o>>2]=h+(~((h+-4-j|0)>>>2)<<2);Oq(j);j=l+8|0;f[j>>2]=0;f[o>>2]=0;f[l>>2]=0;p=j;q=f[e>>2]|0;r=f[i>>2]|0;s=f[g>>2]|0}f[l>>2]=q;f[o>>2]=r;f[p>>2]=f[e+8>>2];f[e>>2]=0;p=e+4|0;f[p>>2]=0;f[e+8>>2]=0;do if(s)if(s>>>0>1073741823)aq(e);else{r=s<<2;o=ln(r)|0;f[e>>2]=o;q=o+(s<<2)|0;f[e+8>>2]=q;sj(o|0,0,r|0)|0;f[p>>2]=q;t=q;v=o;break}else{t=0;v=0}while(0);s=a+140|0;o=f[s>>2]|0;q=f[o>>2]|0;r=o+4|0;if(!q){w=o+8|0;x=v;y=t}else{t=f[r>>2]|0;if((t|0)!=(q|0))f[r>>2]=t+(~((t+-4-q|0)>>>2)<<2);Oq(q);q=o+8|0;f[q>>2]=0;f[r>>2]=0;f[o>>2]=0;w=q;x=f[e>>2]|0;y=f[p>>2]|0}f[o>>2]=x;f[r>>2]=y;f[w>>2]=f[e+8>>2];w=f[b>>2]|0;y=b+4|0;r=f[y>>2]|0;x=f[y+4>>2]|0;y=f[c>>2]|0;o=c+4|0;p=f[o>>2]|0;q=f[o+4>>2]|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;f[e+12>>2]=0;f[e+16>>2]=0;f[e+20>>2]=0;o=e+8|0;t=e+4|0;v=e+16|0;l=e+20|0;i=r;Pc(e);j=f[t>>2]|0;h=(f[l>>2]|0)+(f[v>>2]|0)|0;if((f[o>>2]|0)==(j|0))z=0;else z=(f[j+(((h>>>0)/113|0)<<2)>>2]|0)+(((h>>>0)%113|0)*36|0)|0;f[z>>2]=w;h=z+4|0;f[h>>2]=r;f[h+4>>2]=x;f[z+12>>2]=y;h=z+16|0;f[h>>2]=p;f[h+4>>2]=q;f[z+24>>2]=0;f[z+28>>2]=y-w;f[z+32>>2]=0;z=(f[l>>2]|0)+1|0;f[l>>2]=z;if(z|0){w=a+116|0;y=a+48|0;h=a+44|0;j=a+36|0;m=a+40|0;n=a+32|0;A=b+8|0;B=c+8|0;C=a+28|0;D=a+24|0;E=a+16|0;F=a+20|0;G=a+12|0;H=a+88|0;I=a+84|0;J=a+76|0;K=a+80|0;L=a+72|0;M=i+4|0;N=i+24|0;O=i+24|0;P=p+24|0;Q=z;while(1){z=f[v>>2]|0;R=Q+-1|0;S=R+z|0;T=f[t>>2]|0;U=f[T+(((S>>>0)/113|0)<<2)>>2]|0;V=(S>>>0)%113|0;S=f[U+(V*36|0)>>2]|0;W=f[U+(V*36|0)+12>>2]|0;Y=f[U+(V*36|0)+24>>2]|0;Z=f[U+(V*36|0)+32>>2]|0;f[l>>2]=R;R=f[o>>2]|0;V=R-T>>2;if((1-Q-z+((V|0)==0?0:(V*113|0)+-1|0)|0)>>>0>225){Oq(f[R+-4>>2]|0);f[o>>2]=(f[o>>2]|0)+-4}f[b>>2]=S;f[c>>2]=W;R=f[k>>2]|0;V=((f[g>>2]|0)+-1|0)==(Y|0)?0:Y+1|0;Y=(f[s>>2]|0)+(Z*12|0)|0;z=W-S|0;T=(f[a>>2]|0)-(f[(f[Y>>2]|0)+(V<<2)>>2]|0)|0;a:do if(T){if(z>>>0<3){U=f[w>>2]|0;f[U>>2]=V;$=f[g>>2]|0;if($>>>0>1){aa=1;ba=$;ca=V;while(1){ca=(ca|0)==(ba+-1|0)?0:ca+1|0;f[U+(aa<<2)>>2]=ca;aa=aa+1|0;da=f[g>>2]|0;if(aa>>>0>=da>>>0){ea=da;break}else ba=da}}else ea=$;if(!z){fa=99;break}else{ga=0;ha=ea}while(1){ba=(f[N>>2]|0)+((X(f[M>>2]|0,S+ga|0)|0)<<2)|0;if(!ha)ia=0;else{aa=0;do{ca=f[(f[w>>2]|0)+(aa<<2)>>2]|0;U=(f[a>>2]|0)-(f[(f[Y>>2]|0)+(ca<<2)>>2]|0)|0;do if(U|0){da=f[y>>2]|0;ja=32-da|0;ka=32-U|0;la=f[ba+(ca<<2)>>2]<(ja|0)){ma=la>>>ka;ka=U-ja|0;f[y>>2]=ka;ja=f[h>>2]|ma>>>ka;f[h>>2]=ja;ka=f[j>>2]|0;if((ka|0)==(f[m>>2]|0))Ri(n,h);else{f[ka>>2]=ja;f[j>>2]=ka+4}f[h>>2]=ma<<32-(f[y>>2]|0);break}ma=f[h>>2]|la>>>da;f[h>>2]=ma;la=da+U|0;f[y>>2]=la;if((la|0)!=32)break;la=f[j>>2]|0;if((la|0)==(f[m>>2]|0))Ri(n,h);else{f[la>>2]=ma;f[j>>2]=la+4}f[h>>2]=0;f[y>>2]=0}while(0);aa=aa+1|0;U=f[g>>2]|0}while(aa>>>0>>0);ia=U}ga=ga+1|0;if(ga>>>0>=z>>>0){fa=99;break a}else ha=ia}}$=Z+1|0;Ig(R+($*12|0)|0,f[R+(Z*12|0)>>2]|0,f[R+(Z*12|0)+4>>2]|0);aa=(f[(f[k>>2]|0)+($*12|0)>>2]|0)+(V<<2)|0;ba=(f[aa>>2]|0)+(1<>2]=ba;aa=f[A>>2]|0;U=f[B>>2]|0;b:do if((W|0)==(S|0))na=S;else{ca=f[O>>2]|0;if(!aa){if((f[ca+(V<<2)>>2]|0)>>>0>>0){na=W;break}else{oa=W;pa=S}while(1){la=oa;do{la=la+-1|0;if((pa|0)==(la|0)){na=pa;break b}ma=(f[P>>2]|0)+((X(la,U)|0)<<2)+(V<<2)|0}while((f[ma>>2]|0)>>>0>=ba>>>0);pa=pa+1|0;if((pa|0)==(la|0)){na=la;break b}else oa=la}}else{qa=W;ra=S}while(1){ma=ra;while(1){sa=ca+((X(ma,aa)|0)<<2)|0;if((f[sa+(V<<2)>>2]|0)>>>0>=ba>>>0){ta=qa;break}da=ma+1|0;if((da|0)==(qa|0)){na=qa;break b}else ma=da}while(1){ta=ta+-1|0;if((ma|0)==(ta|0)){na=ma;break b}ua=(f[P>>2]|0)+((X(ta,U)|0)<<2)|0;if((f[ua+(V<<2)>>2]|0)>>>0>>0){va=0;break}}do{la=sa+(va<<2)|0;da=ua+(va<<2)|0;ka=f[la>>2]|0;f[la>>2]=f[da>>2];f[da>>2]=ka;va=va+1|0}while((va|0)!=(aa|0));ra=ma+1|0;if((ra|0)==(ta|0)){na=ta;break}else qa=ta}}while(0);ba=(_(z|0)|0)^31;U=na-S|0;ca=W-na|0;ka=U>>>0>>0;if((U|0)!=(ca|0)){da=f[H>>2]|0;if(ka)f[I>>2]=f[I>>2]|1<<31-da;la=da+1|0;f[H>>2]=la;if((la|0)==32){la=f[J>>2]|0;if((la|0)==(f[K>>2]|0))Ri(L,I);else{f[la>>2]=f[I>>2];f[J>>2]=la+4}f[H>>2]=0;f[I>>2]=0}}la=z>>>1;do if(ka){da=f[C>>2]|0;ja=32-da|0;wa=32-ba|0;xa=la-U<(ja|0)){ya=xa>>>wa;wa=ba-ja|0;f[C>>2]=wa;ja=f[D>>2]|ya>>>wa;f[D>>2]=ja;wa=f[E>>2]|0;if((wa|0)==(f[F>>2]|0))Ri(G,D);else{f[wa>>2]=ja;f[E>>2]=wa+4}f[D>>2]=ya<<32-(f[C>>2]|0);break}ya=f[D>>2]|xa>>>da;f[D>>2]=ya;xa=da+ba|0;f[C>>2]=xa;if((xa|0)==32){xa=f[E>>2]|0;if((xa|0)==(f[F>>2]|0))Ri(G,D);else{f[xa>>2]=ya;f[E>>2]=xa+4}f[D>>2]=0;f[C>>2]=0}}else{xa=f[C>>2]|0;ya=32-xa|0;da=32-ba|0;wa=la-ca<(ya|0)){ja=wa>>>da;da=ba-ya|0;f[C>>2]=da;ya=f[D>>2]|ja>>>da;f[D>>2]=ya;da=f[E>>2]|0;if((da|0)==(f[F>>2]|0))Ri(G,D);else{f[da>>2]=ya;f[E>>2]=da+4}f[D>>2]=ja<<32-(f[C>>2]|0);break}ja=f[D>>2]|wa>>>xa;f[D>>2]=ja;wa=xa+ba|0;f[C>>2]=wa;if((wa|0)==32){wa=f[E>>2]|0;if((wa|0)==(f[F>>2]|0))Ri(G,D);else{f[wa>>2]=ja;f[E>>2]=wa+4}f[D>>2]=0;f[C>>2]=0}}while(0);ba=f[s>>2]|0;la=f[ba+(Z*12|0)>>2]|0;ka=la+(V<<2)|0;f[ka>>2]=(f[ka>>2]|0)+1;Ig(ba+($*12|0)|0,la,f[ba+(Z*12|0)+4>>2]|0);if((na|0)!=(S|0)){ba=f[o>>2]|0;la=f[t>>2]|0;ka=ba-la>>2;wa=f[v>>2]|0;ja=f[l>>2]|0;if((((ka|0)==0?0:(ka*113|0)+-1|0)|0)==(ja+wa|0)){Pc(e);za=f[v>>2]|0;Aa=f[l>>2]|0;Ba=f[o>>2]|0;Ca=f[t>>2]|0}else{za=wa;Aa=ja;Ba=ba;Ca=la}la=Aa+za|0;if((Ba|0)==(Ca|0))Da=0;else Da=(f[Ca+(((la>>>0)/113|0)<<2)>>2]|0)+(((la>>>0)%113|0)*36|0)|0;f[Da>>2]=S;la=Da+4|0;f[la>>2]=r;f[la+4>>2]=x;f[Da+12>>2]=na;f[Da+16>>2]=i;f[Da+20>>2]=aa;f[Da+24>>2]=V;f[Da+28>>2]=U;f[Da+32>>2]=Z;f[l>>2]=(f[l>>2]|0)+1}if((W|0)!=(na|0)){la=f[o>>2]|0;ba=f[t>>2]|0;ja=la-ba>>2;wa=f[v>>2]|0;ka=f[l>>2]|0;if((((ja|0)==0?0:(ja*113|0)+-1|0)|0)==(ka+wa|0)){Pc(e);Ea=f[v>>2]|0;Fa=f[l>>2]|0;Ga=f[o>>2]|0;Ha=f[t>>2]|0}else{Ea=wa;Fa=ka;Ga=la;Ha=ba}ba=Fa+Ea|0;if((Ga|0)==(Ha|0))Ia=0;else Ia=(f[Ha+(((ba>>>0)/113|0)<<2)>>2]|0)+(((ba>>>0)%113|0)*36|0)|0;f[Ia>>2]=na;f[Ia+4>>2]=i;f[Ia+8>>2]=aa;f[Ia+12>>2]=W;ba=Ia+16|0;f[ba>>2]=p;f[ba+4>>2]=q;f[Ia+24>>2]=V;f[Ia+28>>2]=ca;f[Ia+32>>2]=$;ba=(f[l>>2]|0)+1|0;f[l>>2]=ba;Ja=ba}else fa=99}else fa=99;while(0);if((fa|0)==99){fa=0;Ja=f[l>>2]|0}if(!Ja)break;else Q=Ja}}Ja=f[t>>2]|0;Q=f[v>>2]|0;Ia=Ja+(((Q>>>0)/113|0)<<2)|0;q=f[o>>2]|0;p=q;i=Ja;if((q|0)==(Ja|0)){Ka=0;La=0}else{na=(f[Ia>>2]|0)+(((Q>>>0)%113|0)*36|0)|0;Ka=na;La=na}na=Ia;Ia=La;c:while(1){La=Ia;do{Q=La;if((Ka|0)==(Q|0))break c;La=Q+36|0}while((La-(f[na>>2]|0)|0)!=4068);La=na+4|0;na=La;Ia=f[La>>2]|0}f[l>>2]=0;l=p-i>>2;if(l>>>0>2){i=Ja;do{Oq(f[i>>2]|0);i=(f[t>>2]|0)+4|0;f[t>>2]=i;Ma=f[o>>2]|0;Na=Ma-i>>2}while(Na>>>0>2);Oa=Na;Pa=i;Qa=Ma}else{Oa=l;Pa=Ja;Qa=q}switch(Oa|0){case 1:{Ra=56;fa=113;break}case 2:{Ra=113;fa=113;break}default:{}}if((fa|0)==113)f[v>>2]=Ra;if((Pa|0)!=(Qa|0)){Ra=Pa;do{Oq(f[Ra>>2]|0);Ra=Ra+4|0}while((Ra|0)!=(Qa|0));Qa=f[t>>2]|0;t=f[o>>2]|0;if((t|0)!=(Qa|0))f[o>>2]=t+(~((t+-4-Qa|0)>>>2)<<2)}Qa=f[e>>2]|0;if(!Qa){u=d;return}Oq(Qa);u=d;return}function ib(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0;d=u;u=u+48|0;e=d+36|0;g=d+24|0;h=d;i=a+8|0;j=f[i>>2]|0;f[e>>2]=0;k=e+4|0;f[k>>2]=0;f[e+8>>2]=0;do if(j)if(j>>>0>1073741823)aq(e);else{l=j<<2;m=ln(l)|0;f[e>>2]=m;n=m+(j<<2)|0;f[e+8>>2]=n;sj(m|0,0,l|0)|0;f[k>>2]=n;o=n;p=m;break}else{o=0;p=0}while(0);m=a+1164|0;n=f[m>>2]|0;l=f[n>>2]|0;q=n+4|0;if(!l){r=n+8|0;s=p;t=o;v=j}else{j=f[q>>2]|0;if((j|0)!=(l|0))f[q>>2]=j+(~((j+-4-l|0)>>>2)<<2);Oq(l);l=n+8|0;f[l>>2]=0;f[q>>2]=0;f[n>>2]=0;r=l;s=f[e>>2]|0;t=f[k>>2]|0;v=f[i>>2]|0}f[n>>2]=s;f[q>>2]=t;f[r>>2]=f[e+8>>2];f[e>>2]=0;r=e+4|0;f[r>>2]=0;f[e+8>>2]=0;do if(v)if(v>>>0>1073741823)aq(e);else{t=v<<2;q=ln(t)|0;f[e>>2]=q;s=q+(v<<2)|0;f[e+8>>2]=s;sj(q|0,0,t|0)|0;f[r>>2]=s;w=s;x=q;break}else{w=0;x=0}while(0);v=a+1176|0;q=f[v>>2]|0;s=f[q>>2]|0;t=q+4|0;if(!s){y=q+8|0;z=x;A=w}else{w=f[t>>2]|0;if((w|0)!=(s|0))f[t>>2]=w+(~((w+-4-s|0)>>>2)<<2);Oq(s);s=q+8|0;f[s>>2]=0;f[t>>2]=0;f[q>>2]=0;y=s;z=f[e>>2]|0;A=f[r>>2]|0}f[q>>2]=z;f[t>>2]=A;f[y>>2]=f[e+8>>2];y=f[b>>2]|0;A=b+4|0;t=f[A>>2]|0;z=f[A+4>>2]|0;A=f[c>>2]|0;q=c+4|0;r=f[q>>2]|0;s=f[q+4>>2]|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;f[h+12>>2]=0;f[h+16>>2]=0;f[h+20>>2]=0;q=h+8|0;w=h+4|0;x=h+16|0;n=h+20|0;k=t;Pc(h);l=f[w>>2]|0;j=(f[n>>2]|0)+(f[x>>2]|0)|0;if((f[q>>2]|0)==(l|0))B=0;else B=(f[l+(((j>>>0)/113|0)<<2)>>2]|0)+(((j>>>0)%113|0)*36|0)|0;f[B>>2]=y;j=B+4|0;f[j>>2]=t;f[j+4>>2]=z;f[B+12>>2]=A;j=B+16|0;f[j>>2]=r;f[j+4>>2]=s;f[B+24>>2]=0;f[B+28>>2]=A-y;f[B+32>>2]=0;B=(f[n>>2]|0)+1|0;f[n>>2]=B;if(B|0){y=a+1152|0;A=a+1084|0;j=a+1080|0;l=a+1072|0;o=a+1076|0;p=a+1068|0;C=b+8|0;D=c+8|0;E=a+1124|0;F=a+1120|0;G=a+1112|0;H=a+1116|0;I=a+1108|0;J=k+4|0;K=k+24|0;L=k+24|0;M=r+24|0;N=B;while(1){B=f[x>>2]|0;O=N+-1|0;P=O+B|0;Q=f[w>>2]|0;R=f[Q+(((P>>>0)/113|0)<<2)>>2]|0;S=(P>>>0)%113|0;P=f[R+(S*36|0)>>2]|0;T=f[R+(S*36|0)+12>>2]|0;U=f[R+(S*36|0)+24>>2]|0;V=f[R+(S*36|0)+32>>2]|0;f[n>>2]=O;O=f[q>>2]|0;S=O-Q>>2;if((1-N-B+((S|0)==0?0:(S*113|0)+-1|0)|0)>>>0>225){Oq(f[O+-4>>2]|0);f[q>>2]=(f[q>>2]|0)+-4}f[b>>2]=P;f[c>>2]=T;O=f[m>>2]|0;S=O+(V*12|0)|0;B=(f[v>>2]|0)+(V*12|0)|0;f[g>>2]=f[b>>2];f[g+4>>2]=f[b+4>>2];f[g+8>>2]=f[b+8>>2];f[e>>2]=f[c>>2];f[e+4>>2]=f[c+4>>2];f[e+8>>2]=f[c+8>>2];Q=Rd(a,g,e,S,B,U)|0;U=T-P|0;R=(f[a>>2]|0)-(f[(f[B>>2]|0)+(Q<<2)>>2]|0)|0;a:do if(R){if(U>>>0<3){W=f[y>>2]|0;f[W>>2]=Q;Y=f[i>>2]|0;if(Y>>>0>1){Z=1;$=Y;aa=Q;while(1){aa=(aa|0)==($+-1|0)?0:aa+1|0;f[W+(Z<<2)>>2]=aa;Z=Z+1|0;ba=f[i>>2]|0;if(Z>>>0>=ba>>>0){ca=ba;break}else $=ba}}else ca=Y;if(!U){da=87;break}else{ea=0;fa=ca}while(1){$=(f[K>>2]|0)+((X(f[J>>2]|0,P+ea|0)|0)<<2)|0;if(!fa)ga=0;else{Z=0;do{aa=f[(f[y>>2]|0)+(Z<<2)>>2]|0;W=(f[a>>2]|0)-(f[(f[B>>2]|0)+(aa<<2)>>2]|0)|0;do if(W|0){ba=f[A>>2]|0;ha=32-ba|0;ia=32-W|0;ja=f[$+(aa<<2)>>2]<(ha|0)){ka=ja>>>ia;ia=W-ha|0;f[A>>2]=ia;ha=f[j>>2]|ka>>>ia;f[j>>2]=ha;ia=f[l>>2]|0;if((ia|0)==(f[o>>2]|0))Ri(p,j);else{f[ia>>2]=ha;f[l>>2]=ia+4}f[j>>2]=ka<<32-(f[A>>2]|0);break}ka=f[j>>2]|ja>>>ba;f[j>>2]=ka;ja=ba+W|0;f[A>>2]=ja;if((ja|0)!=32)break;ja=f[l>>2]|0;if((ja|0)==(f[o>>2]|0))Ri(p,j);else{f[ja>>2]=ka;f[l>>2]=ja+4}f[j>>2]=0;f[A>>2]=0}while(0);Z=Z+1|0;W=f[i>>2]|0}while(Z>>>0>>0);ga=W}ea=ea+1|0;if(ea>>>0>=U>>>0){da=87;break a}else fa=ga}}Y=V+1|0;Z=f[m>>2]|0;$=Z+(Y*12|0)|0;if(($|0)==(S|0))la=Z;else{Ig($,f[S>>2]|0,f[O+(V*12|0)+4>>2]|0);la=f[m>>2]|0}$=(f[la+(Y*12|0)>>2]|0)+(Q<<2)|0;Z=(f[$>>2]|0)+(1<>2]=Z;$=f[C>>2]|0;W=f[D>>2]|0;b:do if((T|0)==(P|0))ma=P;else{aa=f[L>>2]|0;if(!$){if((f[aa+(Q<<2)>>2]|0)>>>0>>0){ma=T;break}else{na=T;oa=P}while(1){ja=na;do{ja=ja+-1|0;if((oa|0)==(ja|0)){ma=oa;break b}ka=(f[M>>2]|0)+((X(ja,W)|0)<<2)+(Q<<2)|0}while((f[ka>>2]|0)>>>0>=Z>>>0);oa=oa+1|0;if((oa|0)==(ja|0)){ma=ja;break b}else na=ja}}else{pa=T;qa=P}while(1){ka=qa;while(1){ra=aa+((X(ka,$)|0)<<2)|0;if((f[ra+(Q<<2)>>2]|0)>>>0>=Z>>>0){sa=pa;break}ba=ka+1|0;if((ba|0)==(pa|0)){ma=pa;break b}else ka=ba}while(1){sa=sa+-1|0;if((ka|0)==(sa|0)){ma=ka;break b}ta=(f[M>>2]|0)+((X(sa,W)|0)<<2)|0;if((f[ta+(Q<<2)>>2]|0)>>>0>>0){ua=0;break}}do{ja=ra+(ua<<2)|0;ba=ta+(ua<<2)|0;ia=f[ja>>2]|0;f[ja>>2]=f[ba>>2];f[ba>>2]=ia;ua=ua+1|0}while((ua|0)!=($|0));qa=ka+1|0;if((qa|0)==(sa|0)){ma=sa;break}else pa=sa}}while(0);Z=(_(U|0)|0)^31;W=ma-P|0;aa=T-ma|0;ia=W>>>0>>0;if((W|0)!=(aa|0)){ba=f[E>>2]|0;if(ia)f[F>>2]=f[F>>2]|1<<31-ba;ja=ba+1|0;f[E>>2]=ja;if((ja|0)==32){ja=f[G>>2]|0;if((ja|0)==(f[H>>2]|0))Ri(I,F);else{f[ja>>2]=f[F>>2];f[G>>2]=ja+4}f[E>>2]=0;f[F>>2]=0}}ja=U>>>1;if(ia){ia=ja-W|0;if(Z|0){ba=0;ha=1<>>1}}}else{ha=ja-aa|0;if(Z|0){ba=0;ia=1<>>1}}}ia=f[v>>2]|0;Z=f[ia+(V*12|0)>>2]|0;ba=Z+(Q<<2)|0;f[ba>>2]=(f[ba>>2]|0)+1;Ig(ia+(Y*12|0)|0,Z,f[ia+(V*12|0)+4>>2]|0);if((ma|0)!=(P|0)){ia=f[q>>2]|0;Z=f[w>>2]|0;ba=ia-Z>>2;ha=f[x>>2]|0;ja=f[n>>2]|0;if((((ba|0)==0?0:(ba*113|0)+-1|0)|0)==(ja+ha|0)){Pc(h);va=f[x>>2]|0;wa=f[n>>2]|0;xa=f[q>>2]|0;ya=f[w>>2]|0}else{va=ha;wa=ja;xa=ia;ya=Z}Z=wa+va|0;if((xa|0)==(ya|0))za=0;else za=(f[ya+(((Z>>>0)/113|0)<<2)>>2]|0)+(((Z>>>0)%113|0)*36|0)|0;f[za>>2]=P;Z=za+4|0;f[Z>>2]=t;f[Z+4>>2]=z;f[za+12>>2]=ma;f[za+16>>2]=k;f[za+20>>2]=$;f[za+24>>2]=Q;f[za+28>>2]=W;f[za+32>>2]=V;f[n>>2]=(f[n>>2]|0)+1}if((T|0)!=(ma|0)){Z=f[q>>2]|0;ia=f[w>>2]|0;ja=Z-ia>>2;ha=f[x>>2]|0;ba=f[n>>2]|0;if((((ja|0)==0?0:(ja*113|0)+-1|0)|0)==(ba+ha|0)){Pc(h);Aa=f[x>>2]|0;Ba=f[n>>2]|0;Ca=f[q>>2]|0;Da=f[w>>2]|0}else{Aa=ha;Ba=ba;Ca=Z;Da=ia}ia=Ba+Aa|0;if((Ca|0)==(Da|0))Ea=0;else Ea=(f[Da+(((ia>>>0)/113|0)<<2)>>2]|0)+(((ia>>>0)%113|0)*36|0)|0;f[Ea>>2]=ma;f[Ea+4>>2]=k;f[Ea+8>>2]=$;f[Ea+12>>2]=T;ia=Ea+16|0;f[ia>>2]=r;f[ia+4>>2]=s;f[Ea+24>>2]=Q;f[Ea+28>>2]=aa;f[Ea+32>>2]=Y;ia=(f[n>>2]|0)+1|0;f[n>>2]=ia;Fa=ia}else da=87}else da=87;while(0);if((da|0)==87){da=0;Fa=f[n>>2]|0}if(!Fa)break;else N=Fa}}Fa=f[w>>2]|0;N=f[x>>2]|0;Ea=Fa+(((N>>>0)/113|0)<<2)|0;s=f[q>>2]|0;r=s;k=Fa;if((s|0)==(Fa|0)){Ga=0;Ha=0}else{ma=(f[Ea>>2]|0)+(((N>>>0)%113|0)*36|0)|0;Ga=ma;Ha=ma}ma=Ea;Ea=Ha;c:while(1){Ha=Ea;do{N=Ha;if((Ga|0)==(N|0))break c;Ha=N+36|0}while((Ha-(f[ma>>2]|0)|0)!=4068);Ha=ma+4|0;ma=Ha;Ea=f[Ha>>2]|0}f[n>>2]=0;n=r-k>>2;if(n>>>0>2){k=Fa;do{Oq(f[k>>2]|0);k=(f[w>>2]|0)+4|0;f[w>>2]=k;Ia=f[q>>2]|0;Ja=Ia-k>>2}while(Ja>>>0>2);Ka=Ja;La=k;Ma=Ia}else{Ka=n;La=Fa;Ma=s}switch(Ka|0){case 1:{Na=56;da=101;break}case 2:{Na=113;da=101;break}default:{}}if((da|0)==101)f[x>>2]=Na;if((La|0)!=(Ma|0)){Na=La;do{Oq(f[Na>>2]|0);Na=Na+4|0}while((Na|0)!=(Ma|0));Ma=f[w>>2]|0;w=f[q>>2]|0;if((w|0)!=(Ma|0))f[q>>2]=w+(~((w+-4-Ma|0)>>>2)<<2)}Ma=f[h>>2]|0;if(!Ma){u=d;return}Oq(Ma);u=d;return}function jb(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0;d=u;u=u+1424|0;e=d+1408|0;g=d+1396|0;h=d+1420|0;i=d+1200|0;j=d+12|0;k=d;l=d+1384|0;m=d+1372|0;n=d+1360|0;o=d+1348|0;p=d+1336|0;q=d+1324|0;r=d+1312|0;s=d+1300|0;t=d+1288|0;v=d+1276|0;w=d+1264|0;x=d+1252|0;y=d+1240|0;z=d+1228|0;A=a+28|0;B=10-(mi(f[(f[A>>2]|0)+48>>2]|0)|0)|0;C=(B|0)<6?B:6;b[h>>0]=C;if((C&255|0)==6?(f[a+72>>2]|0)>15:0)b[h>>0]=5;C=c+16|0;B=f[C+4>>2]|0;if(!((B|0)>0|(B|0)==0&(f[C>>2]|0)>>>0>0)){f[g>>2]=f[c+4>>2];f[e>>2]=f[g>>2];Me(c,e,h,h+1|0)|0}C=f[A>>2]|0;B=f[(f[C+4>>2]|0)+80>>2]|0;D=a+72|0;E=f[D>>2]|0;f[i>>2]=B;F=i+4|0;f[F>>2]=E;f[i+8>>2]=E<<2;G=i+12|0;H=X(E,B)|0;f[G>>2]=0;J=i+16|0;f[J>>2]=0;f[i+20>>2]=0;do if(H)if(H>>>0>1073741823)aq(G);else{K=H<<2;L=ln(K)|0;f[G>>2]=L;M=L+(H<<2)|0;f[i+20>>2]=M;sj(L|0,0,K|0)|0;f[J>>2]=M;N=L;break}else N=0;while(0);H=i+24|0;f[H>>2]=N;G=a+4|0;L=a+8|0;M=f[G>>2]|0;a:do if((f[L>>2]|0)!=(M|0)){K=j+4|0;O=j+8|0;P=j+8|0;Q=(B|0)==0;R=j+4|0;S=j+8|0;T=k+4|0;U=k+8|0;V=k+8|0;W=a+48|0;Y=j+8|0;Z=a+60|0;$=0;aa=0;ba=0;ca=0;da=M;ea=C;b:while(1){fa=f[(f[(f[ea+4>>2]|0)+8>>2]|0)+(f[da+(ca<<2)>>2]<<2)>>2]|0;switch(f[fa+28>>2]|0){case 1:case 3:case 5:case 2:case 4:case 6:{ga=fa;ha=aa;break}case 9:{ga=f[(f[Z>>2]|0)+(aa<<2)>>2]|0;ha=aa+1|0;break}default:{ia=0;break a}}if(!ga){ia=0;break a}c:do switch(f[ga+28>>2]|0){case 6:{if(Q){ja=ba;ka=ga+24|0;break c}fa=ga+84|0;la=ga+68|0;ma=ga+48|0;na=ga+40|0;oa=ga+24|0;pa=0;do{if(!(b[fa>>0]|0))qa=f[(f[la>>2]|0)+(pa<<2)>>2]|0;else qa=pa;ra=ma;sa=f[ra>>2]|0;ta=f[ra+4>>2]|0;ra=na;ua=un(f[ra>>2]|0,f[ra+4>>2]|0,qa|0,0)|0;ra=Vn(ua|0,I|0,sa|0,ta|0)|0;kh((f[H>>2]|0)+((X(f[F>>2]|0,pa)|0)<<2)+($<<2)|0,(f[f[ga>>2]>>2]|0)+ra|0,b[oa>>0]<<2|0)|0;pa=pa+1|0}while((pa|0)!=(B|0));ja=ba;ka=oa;break}case 1:case 3:case 5:{oa=ga+24|0;pa=b[oa>>0]|0;na=pa<<24>>24;f[j>>2]=0;f[R>>2]=0;f[S>>2]=0;if(!(pa<<24>>24))va=0;else{if(pa<<24>>24<0){wa=24;break b}pa=na<<2;ma=ln(pa)|0;f[j>>2]=ma;la=ma+(na<<2)|0;f[Y>>2]=la;sj(ma|0,0,pa|0)|0;f[R>>2]=la;va=b[oa>>0]|0}la=va<<24>>24;f[k>>2]=0;f[T>>2]=0;f[U>>2]=0;if(!(va<<24>>24)){xa=0;ya=0}else{if(va<<24>>24<0){wa=30;break b}pa=la<<2;ma=ln(pa)|0;f[k>>2]=ma;na=ma+(la<<2)|0;f[V>>2]=na;sj(ma|0,0,pa|0)|0;f[T>>2]=na;xa=ma;ya=ma}if(Q){za=ya;Aa=xa}else{ma=ga+84|0;na=ga+68|0;pa=0;do{if(!(b[ma>>0]|0))Ba=f[(f[na>>2]|0)+(pa<<2)>>2]|0;else Ba=pa;la=f[j>>2]|0;f[g>>2]=Ba;fa=b[oa>>0]|0;f[e>>2]=f[g>>2];Qb(ga,e,fa,la)|0;la=b[oa>>0]|0;fa=la<<24>>24;if(la<<24>>24>0){la=f[j>>2]|0;ra=f[W>>2]|0;ta=f[k>>2]|0;sa=0;do{f[ta+(sa<<2)>>2]=(f[la+(sa<<2)>>2]|0)-(f[ra+(sa+ba<<2)>>2]|0);sa=sa+1|0}while((sa|0)<(fa|0));Ca=ta}else Ca=f[k>>2]|0;kh((f[H>>2]|0)+((X(f[F>>2]|0,pa)|0)<<2)+($<<2)|0,Ca|0,fa<<2|0)|0;pa=pa+1|0}while(pa>>>0>>0);pa=f[k>>2]|0;za=pa;Aa=pa}pa=ba+(b[oa>>0]|0)|0;if(za|0){na=f[T>>2]|0;if((na|0)!=(za|0))f[T>>2]=na+(~((na+-4-za|0)>>>2)<<2);Oq(Aa)}na=f[j>>2]|0;if(na|0){ma=f[R>>2]|0;if((ma|0)!=(na|0))f[R>>2]=ma+(~((ma+-4-na|0)>>>2)<<2);Oq(na)}ja=pa;ka=oa;break}default:{pa=ga+24|0;na=b[pa>>0]|0;ma=na<<24>>24;f[j>>2]=0;f[K>>2]=0;f[O>>2]=0;if(!(na<<24>>24)){Da=0;Ea=0}else{if(na<<24>>24<0){wa=53;break b}na=ma<<2;ta=ln(na)|0;f[j>>2]=ta;sa=ta+(ma<<2)|0;f[P>>2]=sa;sj(ta|0,0,na|0)|0;f[K>>2]=sa;Da=ta;Ea=ta}if(Q){Fa=Ea;Ga=Da}else{ta=ga+84|0;sa=ga+68|0;na=0;do{if(!(b[ta>>0]|0))Ha=f[(f[sa>>2]|0)+(na<<2)>>2]|0;else Ha=na;ma=f[j>>2]|0;f[g>>2]=Ha;ra=b[pa>>0]|0;f[e>>2]=f[g>>2];Pb(ga,e,ra,ma)|0;kh((f[H>>2]|0)+((X(f[F>>2]|0,na)|0)<<2)+($<<2)|0,f[j>>2]|0,b[pa>>0]<<2|0)|0;na=na+1|0}while(na>>>0>>0);na=f[j>>2]|0;Fa=na;Ga=na}if(Fa|0){na=f[K>>2]|0;if((na|0)!=(Fa|0))f[K>>2]=na+(~((na+-4-Fa|0)>>>2)<<2);Oq(Ga)}ja=ba;ka=pa}}while(0);na=ca+1|0;sa=f[G>>2]|0;if(na>>>0>=(f[L>>2]|0)-sa>>2>>>0){wa=66;break}$=$+(b[ka>>0]|0)|0;aa=ha;ba=ja;ca=na;da=sa;ea=f[A>>2]|0}if((wa|0)==24)aq(j);else if((wa|0)==30)aq(k);else if((wa|0)==53)aq(j);else if((wa|0)==66){Ia=f[D>>2]|0;Ja=f[H>>2]|0;wa=67;break}}else{Ia=E;Ja=N;wa=67}while(0);d:do if((wa|0)==67){N=X(Ia,B)|0;if((N|0)>0){E=0;H=0;while(1){D=f[Ja+(E<<2)>>2]|0;if(!D)Ka=H;else{A=(_(D|0)|0)^31;Ka=(A|0)<(H|0)?H:A+1|0}E=E+1|0;if((E|0)>=(N|0)){La=Ka;break}else H=Ka}}else La=0;switch(b[h>>0]|0){case 6:{Ue(j,Ia);f[l>>2]=0;f[l+4>>2]=i;H=f[F>>2]|0;f[l+8>>2]=H;f[m>>2]=f[i>>2];f[m+4>>2]=i;f[m+8>>2]=H;f[k>>2]=La;f[g>>2]=f[l>>2];f[g+4>>2]=f[l+4>>2];f[g+8>>2]=f[l+8>>2];f[e>>2]=f[m>>2];f[e+4>>2]=f[m+4>>2];f[e+8>>2]=f[m+8>>2];H=sf(j,g,e,k,c)|0;Se(j);if(!H){ia=0;break d}break}case 5:{Ue(j,Ia);f[n>>2]=0;f[n+4>>2]=i;H=f[F>>2]|0;f[n+8>>2]=H;f[o>>2]=f[i>>2];f[o+4>>2]=i;f[o+8>>2]=H;f[k>>2]=La;f[g>>2]=f[n>>2];f[g+4>>2]=f[n+4>>2];f[g+8>>2]=f[n+8>>2];f[e>>2]=f[o>>2];f[e+4>>2]=f[o+4>>2];f[e+8>>2]=f[o+8>>2];H=tf(j,g,e,k,c)|0;Se(j);if(!H){ia=0;break d}break}case 4:{Ue(j,Ia);f[p>>2]=0;f[p+4>>2]=i;H=f[F>>2]|0;f[p+8>>2]=H;f[q>>2]=f[i>>2];f[q+4>>2]=i;f[q+8>>2]=H;f[k>>2]=La;f[g>>2]=f[p>>2];f[g+4>>2]=f[p+4>>2];f[g+8>>2]=f[p+8>>2];f[e>>2]=f[q>>2];f[e+4>>2]=f[q+4>>2];f[e+8>>2]=f[q+8>>2];H=tf(j,g,e,k,c)|0;Se(j);if(!H){ia=0;break d}break}case 3:{$e(j,Ia);f[r>>2]=0;f[r+4>>2]=i;H=f[F>>2]|0;f[r+8>>2]=H;f[s>>2]=f[i>>2];f[s+4>>2]=i;f[s+8>>2]=H;f[k>>2]=La;f[g>>2]=f[r>>2];f[g+4>>2]=f[r+4>>2];f[g+8>>2]=f[r+8>>2];f[e>>2]=f[s>>2];f[e+4>>2]=f[s+4>>2];f[e+8>>2]=f[s+8>>2];H=Af(j,g,e,k,c)|0;ef(j);if(!H){ia=0;break d}break}case 2:{$e(j,Ia);f[t>>2]=0;f[t+4>>2]=i;H=f[F>>2]|0;f[t+8>>2]=H;f[v>>2]=f[i>>2];f[v+4>>2]=i;f[v+8>>2]=H;f[k>>2]=La;f[g>>2]=f[t>>2];f[g+4>>2]=f[t+4>>2];f[g+8>>2]=f[t+8>>2];f[e>>2]=f[v>>2];f[e+4>>2]=f[v+4>>2];f[e+8>>2]=f[v+8>>2];H=Af(j,g,e,k,c)|0;ef(j);if(!H){ia=0;break d}break}case 1:{af(j,Ia);f[w>>2]=0;f[w+4>>2]=i;H=f[F>>2]|0;f[w+8>>2]=H;f[x>>2]=f[i>>2];f[x+4>>2]=i;f[x+8>>2]=H;f[k>>2]=La;f[g>>2]=f[w>>2];f[g+4>>2]=f[w+4>>2];f[g+8>>2]=f[w+8>>2];f[e>>2]=f[x>>2];f[e+4>>2]=f[x+4>>2];f[e+8>>2]=f[x+8>>2];H=zf(j,g,e,k,c)|0;df(j);if(!H){ia=0;break d}break}case 0:{af(j,Ia);f[y>>2]=0;f[y+4>>2]=i;H=f[F>>2]|0;f[y+8>>2]=H;f[z>>2]=f[i>>2];f[z+4>>2]=i;f[z+8>>2]=H;f[k>>2]=La;f[g>>2]=f[y>>2];f[g+4>>2]=f[y+4>>2];f[g+8>>2]=f[y+8>>2];f[e>>2]=f[z>>2];f[e+4>>2]=f[z+4>>2];f[e+8>>2]=f[z+8>>2];H=zf(j,g,e,k,c)|0;df(j);if(!H){ia=0;break d}break}default:{ia=0;break d}}ia=1}while(0);j=f[i+12>>2]|0;if(!j){u=d;return ia|0}i=f[J>>2]|0;if((i|0)!=(j|0))f[J>>2]=i+(~((i+-4-j|0)>>>2)<<2);Oq(j);u=d;return ia|0}function kb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0;d=u;u=u+32|0;e=d;g=a+8|0;h=f[g>>2]|0;f[e>>2]=0;i=e+4|0;f[i>>2]=0;f[e+8>>2]=0;do if(h)if(h>>>0>1073741823)aq(e);else{j=h<<2;k=ln(j)|0;f[e>>2]=k;l=k+(h<<2)|0;f[e+8>>2]=l;sj(k|0,0,j|0)|0;f[i>>2]=l;m=l;n=k;break}else{m=0;n=0}while(0);k=a+1164|0;l=f[k>>2]|0;j=f[l>>2]|0;o=l+4|0;if(!j){p=l+8|0;q=n;r=m;s=h}else{h=f[o>>2]|0;if((h|0)!=(j|0))f[o>>2]=h+(~((h+-4-j|0)>>>2)<<2);Oq(j);j=l+8|0;f[j>>2]=0;f[o>>2]=0;f[l>>2]=0;p=j;q=f[e>>2]|0;r=f[i>>2]|0;s=f[g>>2]|0}f[l>>2]=q;f[o>>2]=r;f[p>>2]=f[e+8>>2];f[e>>2]=0;p=e+4|0;f[p>>2]=0;f[e+8>>2]=0;do if(s)if(s>>>0>1073741823)aq(e);else{r=s<<2;o=ln(r)|0;f[e>>2]=o;q=o+(s<<2)|0;f[e+8>>2]=q;sj(o|0,0,r|0)|0;f[p>>2]=q;t=q;v=o;break}else{t=0;v=0}while(0);s=a+1176|0;o=f[s>>2]|0;q=f[o>>2]|0;r=o+4|0;if(!q){w=o+8|0;x=v;y=t}else{t=f[r>>2]|0;if((t|0)!=(q|0))f[r>>2]=t+(~((t+-4-q|0)>>>2)<<2);Oq(q);q=o+8|0;f[q>>2]=0;f[r>>2]=0;f[o>>2]=0;w=q;x=f[e>>2]|0;y=f[p>>2]|0}f[o>>2]=x;f[r>>2]=y;f[w>>2]=f[e+8>>2];w=f[b>>2]|0;y=b+4|0;r=f[y>>2]|0;x=f[y+4>>2]|0;y=f[c>>2]|0;o=c+4|0;p=f[o>>2]|0;q=f[o+4>>2]|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;f[e+12>>2]=0;f[e+16>>2]=0;f[e+20>>2]=0;o=e+8|0;t=e+4|0;v=e+16|0;l=e+20|0;i=r;Pc(e);j=f[t>>2]|0;h=(f[l>>2]|0)+(f[v>>2]|0)|0;if((f[o>>2]|0)==(j|0))z=0;else z=(f[j+(((h>>>0)/113|0)<<2)>>2]|0)+(((h>>>0)%113|0)*36|0)|0;f[z>>2]=w;h=z+4|0;f[h>>2]=r;f[h+4>>2]=x;f[z+12>>2]=y;h=z+16|0;f[h>>2]=p;f[h+4>>2]=q;f[z+24>>2]=0;f[z+28>>2]=y-w;f[z+32>>2]=0;z=(f[l>>2]|0)+1|0;f[l>>2]=z;if(z|0){w=a+1152|0;y=a+1084|0;h=a+1080|0;j=a+1072|0;m=a+1076|0;n=a+1068|0;A=b+8|0;B=c+8|0;C=a+1124|0;D=a+1120|0;E=a+1112|0;F=a+1116|0;G=a+1108|0;H=i+4|0;I=i+24|0;J=i+24|0;K=p+24|0;L=z;while(1){z=f[v>>2]|0;M=L+-1|0;N=M+z|0;O=f[t>>2]|0;P=f[O+(((N>>>0)/113|0)<<2)>>2]|0;Q=(N>>>0)%113|0;N=f[P+(Q*36|0)>>2]|0;R=f[P+(Q*36|0)+12>>2]|0;S=f[P+(Q*36|0)+24>>2]|0;T=f[P+(Q*36|0)+32>>2]|0;f[l>>2]=M;M=f[o>>2]|0;Q=M-O>>2;if((1-L-z+((Q|0)==0?0:(Q*113|0)+-1|0)|0)>>>0>225){Oq(f[M+-4>>2]|0);f[o>>2]=(f[o>>2]|0)+-4}f[b>>2]=N;f[c>>2]=R;M=f[k>>2]|0;Q=((f[g>>2]|0)+-1|0)==(S|0)?0:S+1|0;S=(f[s>>2]|0)+(T*12|0)|0;z=R-N|0;O=(f[a>>2]|0)-(f[(f[S>>2]|0)+(Q<<2)>>2]|0)|0;a:do if(O){if(z>>>0<3){P=f[w>>2]|0;f[P>>2]=Q;U=f[g>>2]|0;if(U>>>0>1){V=1;W=U;Y=Q;while(1){Y=(Y|0)==(W+-1|0)?0:Y+1|0;f[P+(V<<2)>>2]=Y;V=V+1|0;Z=f[g>>2]|0;if(V>>>0>=Z>>>0){$=Z;break}else W=Z}}else $=U;if(!z){aa=85;break}else{ba=0;ca=$}while(1){W=(f[I>>2]|0)+((X(f[H>>2]|0,N+ba|0)|0)<<2)|0;if(!ca)da=0;else{V=0;do{Y=f[(f[w>>2]|0)+(V<<2)>>2]|0;P=(f[a>>2]|0)-(f[(f[S>>2]|0)+(Y<<2)>>2]|0)|0;do if(P|0){Z=f[y>>2]|0;ea=32-Z|0;fa=32-P|0;ga=f[W+(Y<<2)>>2]<(ea|0)){ha=ga>>>fa;fa=P-ea|0;f[y>>2]=fa;ea=f[h>>2]|ha>>>fa;f[h>>2]=ea;fa=f[j>>2]|0;if((fa|0)==(f[m>>2]|0))Ri(n,h);else{f[fa>>2]=ea;f[j>>2]=fa+4}f[h>>2]=ha<<32-(f[y>>2]|0);break}ha=f[h>>2]|ga>>>Z;f[h>>2]=ha;ga=Z+P|0;f[y>>2]=ga;if((ga|0)!=32)break;ga=f[j>>2]|0;if((ga|0)==(f[m>>2]|0))Ri(n,h);else{f[ga>>2]=ha;f[j>>2]=ga+4}f[h>>2]=0;f[y>>2]=0}while(0);V=V+1|0;P=f[g>>2]|0}while(V>>>0

>>0);da=P}ba=ba+1|0;if(ba>>>0>=z>>>0){aa=85;break a}else ca=da}}U=T+1|0;Ig(M+(U*12|0)|0,f[M+(T*12|0)>>2]|0,f[M+(T*12|0)+4>>2]|0);V=(f[(f[k>>2]|0)+(U*12|0)>>2]|0)+(Q<<2)|0;W=(f[V>>2]|0)+(1<>2]=W;V=f[A>>2]|0;P=f[B>>2]|0;b:do if((R|0)==(N|0))ia=N;else{Y=f[J>>2]|0;if(!V){if((f[Y+(Q<<2)>>2]|0)>>>0>>0){ia=R;break}else{ja=R;ka=N}while(1){ga=ja;do{ga=ga+-1|0;if((ka|0)==(ga|0)){ia=ka;break b}ha=(f[K>>2]|0)+((X(ga,P)|0)<<2)+(Q<<2)|0}while((f[ha>>2]|0)>>>0>=W>>>0);ka=ka+1|0;if((ka|0)==(ga|0)){ia=ga;break b}else ja=ga}}else{la=R;ma=N}while(1){ha=ma;while(1){na=Y+((X(ha,V)|0)<<2)|0;if((f[na+(Q<<2)>>2]|0)>>>0>=W>>>0){oa=la;break}Z=ha+1|0;if((Z|0)==(la|0)){ia=la;break b}else ha=Z}while(1){oa=oa+-1|0;if((ha|0)==(oa|0)){ia=ha;break b}pa=(f[K>>2]|0)+((X(oa,P)|0)<<2)|0;if((f[pa+(Q<<2)>>2]|0)>>>0>>0){qa=0;break}}do{ga=na+(qa<<2)|0;Z=pa+(qa<<2)|0;fa=f[ga>>2]|0;f[ga>>2]=f[Z>>2];f[Z>>2]=fa;qa=qa+1|0}while((qa|0)!=(V|0));ma=ha+1|0;if((ma|0)==(oa|0)){ia=oa;break}else la=oa}}while(0);W=(_(z|0)|0)^31;P=ia-N|0;Y=R-ia|0;fa=P>>>0>>0;if((P|0)!=(Y|0)){Z=f[C>>2]|0;if(fa)f[D>>2]=f[D>>2]|1<<31-Z;ga=Z+1|0;f[C>>2]=ga;if((ga|0)==32){ga=f[E>>2]|0;if((ga|0)==(f[F>>2]|0))Ri(G,D);else{f[ga>>2]=f[D>>2];f[E>>2]=ga+4}f[C>>2]=0;f[D>>2]=0}}ga=z>>>1;if(fa){fa=ga-P|0;if(W|0){Z=0;ea=1<>>1}}}else{ea=ga-Y|0;if(W|0){Z=0;fa=1<>>1}}}fa=f[s>>2]|0;W=f[fa+(T*12|0)>>2]|0;Z=W+(Q<<2)|0;f[Z>>2]=(f[Z>>2]|0)+1;Ig(fa+(U*12|0)|0,W,f[fa+(T*12|0)+4>>2]|0);if((ia|0)!=(N|0)){fa=f[o>>2]|0;W=f[t>>2]|0;Z=fa-W>>2;ea=f[v>>2]|0;ga=f[l>>2]|0;if((((Z|0)==0?0:(Z*113|0)+-1|0)|0)==(ga+ea|0)){Pc(e);ra=f[v>>2]|0;sa=f[l>>2]|0;ta=f[o>>2]|0;ua=f[t>>2]|0}else{ra=ea;sa=ga;ta=fa;ua=W}W=sa+ra|0;if((ta|0)==(ua|0))va=0;else va=(f[ua+(((W>>>0)/113|0)<<2)>>2]|0)+(((W>>>0)%113|0)*36|0)|0;f[va>>2]=N;W=va+4|0;f[W>>2]=r;f[W+4>>2]=x;f[va+12>>2]=ia;f[va+16>>2]=i;f[va+20>>2]=V;f[va+24>>2]=Q;f[va+28>>2]=P;f[va+32>>2]=T;f[l>>2]=(f[l>>2]|0)+1}if((R|0)!=(ia|0)){W=f[o>>2]|0;fa=f[t>>2]|0;ga=W-fa>>2;ea=f[v>>2]|0;Z=f[l>>2]|0;if((((ga|0)==0?0:(ga*113|0)+-1|0)|0)==(Z+ea|0)){Pc(e);wa=f[v>>2]|0;xa=f[l>>2]|0;ya=f[o>>2]|0;za=f[t>>2]|0}else{wa=ea;xa=Z;ya=W;za=fa}fa=xa+wa|0;if((ya|0)==(za|0))Aa=0;else Aa=(f[za+(((fa>>>0)/113|0)<<2)>>2]|0)+(((fa>>>0)%113|0)*36|0)|0;f[Aa>>2]=ia;f[Aa+4>>2]=i;f[Aa+8>>2]=V;f[Aa+12>>2]=R;fa=Aa+16|0;f[fa>>2]=p;f[fa+4>>2]=q;f[Aa+24>>2]=Q;f[Aa+28>>2]=Y;f[Aa+32>>2]=U;fa=(f[l>>2]|0)+1|0;f[l>>2]=fa;Ba=fa}else aa=85}else aa=85;while(0);if((aa|0)==85){aa=0;Ba=f[l>>2]|0}if(!Ba)break;else L=Ba}}Ba=f[t>>2]|0;L=f[v>>2]|0;Aa=Ba+(((L>>>0)/113|0)<<2)|0;q=f[o>>2]|0;p=q;i=Ba;if((q|0)==(Ba|0)){Ca=0;Da=0}else{ia=(f[Aa>>2]|0)+(((L>>>0)%113|0)*36|0)|0;Ca=ia;Da=ia}ia=Aa;Aa=Da;c:while(1){Da=Aa;do{L=Da;if((Ca|0)==(L|0))break c;Da=L+36|0}while((Da-(f[ia>>2]|0)|0)!=4068);Da=ia+4|0;ia=Da;Aa=f[Da>>2]|0}f[l>>2]=0;l=p-i>>2;if(l>>>0>2){i=Ba;do{Oq(f[i>>2]|0);i=(f[t>>2]|0)+4|0;f[t>>2]=i;Ea=f[o>>2]|0;Fa=Ea-i>>2}while(Fa>>>0>2);Ga=Fa;Ha=i;Ia=Ea}else{Ga=l;Ha=Ba;Ia=q}switch(Ga|0){case 1:{Ja=56;aa=99;break}case 2:{Ja=113;aa=99;break}default:{}}if((aa|0)==99)f[v>>2]=Ja;if((Ha|0)!=(Ia|0)){Ja=Ha;do{Oq(f[Ja>>2]|0);Ja=Ja+4|0}while((Ja|0)!=(Ia|0));Ia=f[t>>2]|0;t=f[o>>2]|0;if((t|0)!=(Ia|0))f[o>>2]=t+(~((t+-4-Ia|0)>>>2)<<2)}Ia=f[e>>2]|0;if(!Ia){u=d;return}Oq(Ia);u=d;return}function lb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0;d=u;u=u+32|0;e=d;g=a+8|0;h=f[g>>2]|0;f[e>>2]=0;i=e+4|0;f[i>>2]=0;f[e+8>>2]=0;do if(h)if(h>>>0>1073741823)aq(e);else{j=h<<2;k=ln(j)|0;f[e>>2]=k;l=k+(h<<2)|0;f[e+8>>2]=l;sj(k|0,0,j|0)|0;f[i>>2]=l;m=l;n=k;break}else{m=0;n=0}while(0);k=a+140|0;l=f[k>>2]|0;j=f[l>>2]|0;o=l+4|0;if(!j){p=l+8|0;q=n;r=m;s=h}else{h=f[o>>2]|0;if((h|0)!=(j|0))f[o>>2]=h+(~((h+-4-j|0)>>>2)<<2);Oq(j);j=l+8|0;f[j>>2]=0;f[o>>2]=0;f[l>>2]=0;p=j;q=f[e>>2]|0;r=f[i>>2]|0;s=f[g>>2]|0}f[l>>2]=q;f[o>>2]=r;f[p>>2]=f[e+8>>2];f[e>>2]=0;p=e+4|0;f[p>>2]=0;f[e+8>>2]=0;do if(s)if(s>>>0>1073741823)aq(e);else{r=s<<2;o=ln(r)|0;f[e>>2]=o;q=o+(s<<2)|0;f[e+8>>2]=q;sj(o|0,0,r|0)|0;f[p>>2]=q;t=q;v=o;break}else{t=0;v=0}while(0);s=a+152|0;o=f[s>>2]|0;q=f[o>>2]|0;r=o+4|0;if(!q){w=o+8|0;x=v;y=t}else{t=f[r>>2]|0;if((t|0)!=(q|0))f[r>>2]=t+(~((t+-4-q|0)>>>2)<<2);Oq(q);q=o+8|0;f[q>>2]=0;f[r>>2]=0;f[o>>2]=0;w=q;x=f[e>>2]|0;y=f[p>>2]|0}f[o>>2]=x;f[r>>2]=y;f[w>>2]=f[e+8>>2];w=f[b>>2]|0;y=b+4|0;r=f[y>>2]|0;x=f[y+4>>2]|0;y=f[c>>2]|0;o=c+4|0;p=f[o>>2]|0;q=f[o+4>>2]|0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;f[e+12>>2]=0;f[e+16>>2]=0;f[e+20>>2]=0;o=e+8|0;t=e+4|0;v=e+16|0;l=e+20|0;i=r;Pc(e);j=f[t>>2]|0;h=(f[l>>2]|0)+(f[v>>2]|0)|0;if((f[o>>2]|0)==(j|0))z=0;else z=(f[j+(((h>>>0)/113|0)<<2)>>2]|0)+(((h>>>0)%113|0)*36|0)|0;f[z>>2]=w;h=z+4|0;f[h>>2]=r;f[h+4>>2]=x;f[z+12>>2]=y;h=z+16|0;f[h>>2]=p;f[h+4>>2]=q;f[z+24>>2]=0;f[z+28>>2]=y-w;f[z+32>>2]=0;z=(f[l>>2]|0)+1|0;f[l>>2]=z;if(z|0){w=a+128|0;y=a+60|0;h=a+56|0;j=a+48|0;m=a+52|0;n=a+44|0;A=b+8|0;B=c+8|0;C=a+12|0;D=a+100|0;E=a+96|0;F=a+88|0;G=a+92|0;H=a+84|0;I=i+4|0;J=i+24|0;K=i+24|0;L=p+24|0;M=z;while(1){z=f[v>>2]|0;N=M+-1|0;O=N+z|0;P=f[t>>2]|0;Q=f[P+(((O>>>0)/113|0)<<2)>>2]|0;R=(O>>>0)%113|0;O=f[Q+(R*36|0)>>2]|0;S=f[Q+(R*36|0)+12>>2]|0;T=f[Q+(R*36|0)+24>>2]|0;U=f[Q+(R*36|0)+32>>2]|0;f[l>>2]=N;N=f[o>>2]|0;R=N-P>>2;if((1-M-z+((R|0)==0?0:(R*113|0)+-1|0)|0)>>>0>225){Oq(f[N+-4>>2]|0);f[o>>2]=(f[o>>2]|0)+-4}f[b>>2]=O;f[c>>2]=S;N=f[k>>2]|0;R=((f[g>>2]|0)+-1|0)==(T|0)?0:T+1|0;T=(f[s>>2]|0)+(U*12|0)|0;z=S-O|0;P=(f[a>>2]|0)-(f[(f[T>>2]|0)+(R<<2)>>2]|0)|0;a:do if(P){if(z>>>0<3){Q=f[w>>2]|0;f[Q>>2]=R;V=f[g>>2]|0;if(V>>>0>1){W=1;Y=V;Z=R;while(1){Z=(Z|0)==(Y+-1|0)?0:Z+1|0;f[Q+(W<<2)>>2]=Z;W=W+1|0;$=f[g>>2]|0;if(W>>>0>=$>>>0){aa=$;break}else Y=$}}else aa=V;if(!z){ba=81;break}else{ca=0;da=aa}while(1){Y=(f[J>>2]|0)+((X(f[I>>2]|0,O+ca|0)|0)<<2)|0;if(!da)ea=0;else{W=0;do{Z=f[(f[w>>2]|0)+(W<<2)>>2]|0;Q=(f[a>>2]|0)-(f[(f[T>>2]|0)+(Z<<2)>>2]|0)|0;do if(Q|0){$=f[y>>2]|0;fa=32-$|0;ga=32-Q|0;ha=f[Y+(Z<<2)>>2]<(fa|0)){ia=ha>>>ga;ga=Q-fa|0;f[y>>2]=ga;fa=f[h>>2]|ia>>>ga;f[h>>2]=fa;ga=f[j>>2]|0;if((ga|0)==(f[m>>2]|0))Ri(n,h);else{f[ga>>2]=fa;f[j>>2]=ga+4}f[h>>2]=ia<<32-(f[y>>2]|0);break}ia=f[h>>2]|ha>>>$;f[h>>2]=ia;ha=$+Q|0;f[y>>2]=ha;if((ha|0)!=32)break;ha=f[j>>2]|0;if((ha|0)==(f[m>>2]|0))Ri(n,h);else{f[ha>>2]=ia;f[j>>2]=ha+4}f[h>>2]=0;f[y>>2]=0}while(0);W=W+1|0;Q=f[g>>2]|0}while(W>>>0>>0);ea=Q}ca=ca+1|0;if(ca>>>0>=z>>>0){ba=81;break a}else da=ea}}V=U+1|0;Ig(N+(V*12|0)|0,f[N+(U*12|0)>>2]|0,f[N+(U*12|0)+4>>2]|0);W=(f[(f[k>>2]|0)+(V*12|0)>>2]|0)+(R<<2)|0;Y=(f[W>>2]|0)+(1<>2]=Y;W=f[A>>2]|0;Q=f[B>>2]|0;b:do if((S|0)==(O|0))ja=O;else{Z=f[K>>2]|0;if(!W){if((f[Z+(R<<2)>>2]|0)>>>0>>0){ja=S;break}else{ka=S;la=O}while(1){ha=ka;do{ha=ha+-1|0;if((la|0)==(ha|0)){ja=la;break b}ia=(f[L>>2]|0)+((X(ha,Q)|0)<<2)+(R<<2)|0}while((f[ia>>2]|0)>>>0>=Y>>>0);la=la+1|0;if((la|0)==(ha|0)){ja=ha;break b}else ka=ha}}else{ma=S;na=O}while(1){ia=na;while(1){oa=Z+((X(ia,W)|0)<<2)|0;if((f[oa+(R<<2)>>2]|0)>>>0>=Y>>>0){pa=ma;break}$=ia+1|0;if(($|0)==(ma|0)){ja=ma;break b}else ia=$}while(1){pa=pa+-1|0;if((ia|0)==(pa|0)){ja=ia;break b}qa=(f[L>>2]|0)+((X(pa,Q)|0)<<2)|0;if((f[qa+(R<<2)>>2]|0)>>>0>>0){ra=0;break}}do{ha=oa+(ra<<2)|0;$=qa+(ra<<2)|0;ga=f[ha>>2]|0;f[ha>>2]=f[$>>2];f[$>>2]=ga;ra=ra+1|0}while((ra|0)!=(W|0));na=ia+1|0;if((na|0)==(pa|0)){ja=pa;break}else ma=pa}}while(0);Y=(_(z|0)|0)^31;Q=ja-O|0;Z=S-ja|0;ga=Q>>>0>>0;if((Q|0)!=(Z|0)){$=f[D>>2]|0;if(ga)f[E>>2]=f[E>>2]|1<<31-$;ha=$+1|0;f[D>>2]=ha;if((ha|0)==32){ha=f[F>>2]|0;if((ha|0)==(f[G>>2]|0))Ri(H,E);else{f[ha>>2]=f[E>>2];f[F>>2]=ha+4}f[D>>2]=0;f[E>>2]=0}}ha=z>>>1;if(ga)sg(C,Y,ha-Q|0);else sg(C,Y,ha-Z|0);ha=f[s>>2]|0;Y=f[ha+(U*12|0)>>2]|0;ga=Y+(R<<2)|0;f[ga>>2]=(f[ga>>2]|0)+1;Ig(ha+(V*12|0)|0,Y,f[ha+(U*12|0)+4>>2]|0);if((ja|0)!=(O|0)){ha=f[o>>2]|0;Y=f[t>>2]|0;ga=ha-Y>>2;$=f[v>>2]|0;fa=f[l>>2]|0;if((((ga|0)==0?0:(ga*113|0)+-1|0)|0)==(fa+$|0)){Pc(e);sa=f[v>>2]|0;ta=f[l>>2]|0;ua=f[o>>2]|0;va=f[t>>2]|0}else{sa=$;ta=fa;ua=ha;va=Y}Y=ta+sa|0;if((ua|0)==(va|0))wa=0;else wa=(f[va+(((Y>>>0)/113|0)<<2)>>2]|0)+(((Y>>>0)%113|0)*36|0)|0;f[wa>>2]=O;Y=wa+4|0;f[Y>>2]=r;f[Y+4>>2]=x;f[wa+12>>2]=ja;f[wa+16>>2]=i;f[wa+20>>2]=W;f[wa+24>>2]=R;f[wa+28>>2]=Q;f[wa+32>>2]=U;f[l>>2]=(f[l>>2]|0)+1}if((S|0)!=(ja|0)){Q=f[o>>2]|0;Y=f[t>>2]|0;ha=Q-Y>>2;fa=f[v>>2]|0;$=f[l>>2]|0;if((((ha|0)==0?0:(ha*113|0)+-1|0)|0)==($+fa|0)){Pc(e);xa=f[v>>2]|0;ya=f[l>>2]|0;za=f[o>>2]|0;Aa=f[t>>2]|0}else{xa=fa;ya=$;za=Q;Aa=Y}Y=ya+xa|0;if((za|0)==(Aa|0))Ba=0;else Ba=(f[Aa+(((Y>>>0)/113|0)<<2)>>2]|0)+(((Y>>>0)%113|0)*36|0)|0;f[Ba>>2]=ja;f[Ba+4>>2]=i;f[Ba+8>>2]=W;f[Ba+12>>2]=S;Y=Ba+16|0;f[Y>>2]=p;f[Y+4>>2]=q;f[Ba+24>>2]=R;f[Ba+28>>2]=Z;f[Ba+32>>2]=V;Z=(f[l>>2]|0)+1|0;f[l>>2]=Z;Ca=Z}else ba=81}else ba=81;while(0);if((ba|0)==81){ba=0;Ca=f[l>>2]|0}if(!Ca)break;else M=Ca}}Ca=f[t>>2]|0;M=f[v>>2]|0;Ba=Ca+(((M>>>0)/113|0)<<2)|0;q=f[o>>2]|0;p=q;i=Ca;if((q|0)==(Ca|0)){Da=0;Ea=0}else{ja=(f[Ba>>2]|0)+(((M>>>0)%113|0)*36|0)|0;Da=ja;Ea=ja}ja=Ba;Ba=Ea;c:while(1){Ea=Ba;do{M=Ea;if((Da|0)==(M|0))break c;Ea=M+36|0}while((Ea-(f[ja>>2]|0)|0)!=4068);Ea=ja+4|0;ja=Ea;Ba=f[Ea>>2]|0}f[l>>2]=0;l=p-i>>2;if(l>>>0>2){i=Ca;do{Oq(f[i>>2]|0);i=(f[t>>2]|0)+4|0;f[t>>2]=i;Fa=f[o>>2]|0;Ga=Fa-i>>2}while(Ga>>>0>2);Ha=Ga;Ia=i;Ja=Fa}else{Ha=l;Ia=Ca;Ja=q}switch(Ha|0){case 1:{Ka=56;ba=95;break}case 2:{Ka=113;ba=95;break}default:{}}if((ba|0)==95)f[v>>2]=Ka;if((Ia|0)!=(Ja|0)){Ka=Ia;do{Oq(f[Ka>>2]|0);Ka=Ka+4|0}while((Ka|0)!=(Ja|0));Ja=f[t>>2]|0;t=f[o>>2]|0;if((t|0)!=(Ja|0))f[o>>2]=t+(~((t+-4-Ja|0)>>>2)<<2)}Ja=f[e>>2]|0;if(!Ja){u=d;return}Oq(Ja);u=d;return}function mb(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var i=0,k=0,l=0,m=0,o=0,q=0,r=0,s=Oa,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;if(!g){i=0;return i|0}do switch(f[a+28>>2]|0){case 1:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){m=f[f[a>>2]>>2]|0;o=a+40|0;q=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Vn(q|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=m+r|0;if(!(b[a+32>>0]|0)){r=o;m=0;while(1){s=$(b[r>>0]|0);n[g+(m<<2)>>2]=s;m=m+1|0;q=b[k>>0]|0;if((m|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){t=q;break}else r=r+1|0}}else{r=o;m=0;while(1){s=$($(b[r>>0]|0)/$(127.0));n[g+(m<<2)>>2]=s;m=m+1|0;q=b[k>>0]|0;if((m|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){t=q;break}else r=r+1|0}}}else t=l;r=t<<24>>24;if(t<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}case 2:{r=a+24|0;m=b[r>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0){k=f[f[a>>2]>>2]|0;o=a+40|0;q=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;u=Vn(q|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=k+u|0;if(!(b[a+32>>0]|0)){u=o;k=0;while(1){s=$(h[u>>0]|0);n[g+(k<<2)>>2]=s;k=k+1|0;q=b[r>>0]|0;if((k|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){v=q;break}else u=u+1|0}}else{u=o;k=0;while(1){s=$($(h[u>>0]|0)/$(255.0));n[g+(k<<2)>>2]=s;k=k+1|0;l=b[r>>0]|0;if((k|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){v=l;break}else u=u+1|0}}}else v=m;u=v<<24>>24;if(v<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(u<<2)|0,0,(e<<24>>24)-u<<2|0)|0;i=1;return i|0}case 3:{u=a+48|0;k=f[u>>2]|0;r=f[u+4>>2]|0;u=a+40|0;o=(Vn(un(f[u>>2]|0,f[u+4>>2]|0,f[c>>2]|0,0)|0,I|0,k|0,r|0)|0)+(f[f[a>>2]>>2]|0)|0;r=a+24|0;k=b[r>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0)if(!(b[a+32>>0]|0)){u=o;l=0;while(1){s=$(d[u>>1]|0);n[g+(l<<2)>>2]=s;l=l+1|0;q=b[r>>0]|0;if((l|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){w=q;break}else u=u+2|0}}else{u=o;l=0;while(1){s=$($(d[u>>1]|0)/$(32767.0));n[g+(l<<2)>>2]=s;l=l+1|0;m=b[r>>0]|0;if((l|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){w=m;break}else u=u+2|0}}else w=k;u=w<<24>>24;if(w<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(u<<2)|0,0,(e<<24>>24)-u<<2|0)|0;i=1;return i|0}case 4:{u=a+48|0;l=f[u>>2]|0;r=f[u+4>>2]|0;u=a+40|0;o=(Vn(un(f[u>>2]|0,f[u+4>>2]|0,f[c>>2]|0,0)|0,I|0,l|0,r|0)|0)+(f[f[a>>2]>>2]|0)|0;r=a+24|0;l=b[r>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0)if(!(b[a+32>>0]|0)){u=o;m=0;while(1){s=$(j[u>>1]|0);n[g+(m<<2)>>2]=s;m=m+1|0;q=b[r>>0]|0;if((m|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){x=q;break}else u=u+2|0}}else{u=o;m=0;while(1){s=$($(j[u>>1]|0)/$(65535.0));n[g+(m<<2)>>2]=s;m=m+1|0;k=b[r>>0]|0;if((m|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){x=k;break}else u=u+2|0}}else x=l;u=x<<24>>24;if(x<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(u<<2)|0,0,(e<<24>>24)-u<<2|0)|0;i=1;return i|0}case 5:{u=a+48|0;m=f[u>>2]|0;r=f[u+4>>2]|0;u=a+40|0;o=(Vn(un(f[u>>2]|0,f[u+4>>2]|0,f[c>>2]|0,0)|0,I|0,m|0,r|0)|0)+(f[f[a>>2]>>2]|0)|0;r=a+24|0;m=b[r>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0)if(!(b[a+32>>0]|0)){u=o;k=0;while(1){s=$(f[u>>2]|0);n[g+(k<<2)>>2]=s;k=k+1|0;q=b[r>>0]|0;if((k|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){y=q;break}else u=u+4|0}}else{u=o;k=0;while(1){s=$($(f[u>>2]|0)*$(4.65661287e-10));n[g+(k<<2)>>2]=s;k=k+1|0;l=b[r>>0]|0;if((k|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){y=l;break}else u=u+4|0}}else y=m;u=y<<24>>24;if(y<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(u<<2)|0,0,(e<<24>>24)-u<<2|0)|0;i=1;return i|0}case 6:{u=a+48|0;k=f[u>>2]|0;r=f[u+4>>2]|0;u=a+40|0;o=(Vn(un(f[u>>2]|0,f[u+4>>2]|0,f[c>>2]|0,0)|0,I|0,k|0,r|0)|0)+(f[f[a>>2]>>2]|0)|0;r=a+24|0;k=b[r>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0)if(!(b[a+32>>0]|0)){u=o;l=0;while(1){s=$((f[u>>2]|0)>>>0);n[g+(l<<2)>>2]=s;l=l+1|0;q=b[r>>0]|0;if((l|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){z=q;break}else u=u+4|0}}else{u=o;l=0;while(1){s=$($((f[u>>2]|0)>>>0)*$(2.32830644e-10));n[g+(l<<2)>>2]=s;l=l+1|0;m=b[r>>0]|0;if((l|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){z=m;break}else u=u+4|0}}else z=k;u=z<<24>>24;if(z<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(u<<2)|0,0,(e<<24>>24)-u<<2|0)|0;i=1;return i|0}case 7:{u=a+48|0;l=f[u>>2]|0;r=f[u+4>>2]|0;u=a+40|0;o=(Vn(un(f[u>>2]|0,f[u+4>>2]|0,f[c>>2]|0,0)|0,I|0,l|0,r|0)|0)+(f[f[a>>2]>>2]|0)|0;r=a+24|0;l=b[r>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0)if(!(b[a+32>>0]|0)){u=o;m=0;while(1){q=u;s=$(+((f[q>>2]|0)>>>0)+4294967296.0*+(f[q+4>>2]|0));n[g+(m<<2)>>2]=s;m=m+1|0;q=b[r>>0]|0;if((m|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){A=q;break}else u=u+8|0}}else{u=o;m=0;while(1){k=u;s=$($(+((f[k>>2]|0)>>>0)+4294967296.0*+(f[k+4>>2]|0))*$(1.08420217e-19));n[g+(m<<2)>>2]=s;m=m+1|0;k=b[r>>0]|0;if((m|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){A=k;break}else u=u+8|0}}else A=l;u=A<<24>>24;if(A<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(u<<2)|0,0,(e<<24>>24)-u<<2|0)|0;i=1;return i|0}case 8:{u=a+48|0;m=f[u>>2]|0;r=f[u+4>>2]|0;u=a+40|0;o=(Vn(un(f[u>>2]|0,f[u+4>>2]|0,f[c>>2]|0,0)|0,I|0,m|0,r|0)|0)+(f[f[a>>2]>>2]|0)|0;r=a+24|0;m=b[r>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0)if(!(b[a+32>>0]|0)){u=o;k=0;while(1){q=u;s=$(+((f[q>>2]|0)>>>0)+4294967296.0*+((f[q+4>>2]|0)>>>0));n[g+(k<<2)>>2]=s;k=k+1|0;q=b[r>>0]|0;if((k|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){B=q;break}else u=u+8|0}}else{u=o;k=0;while(1){l=u;s=$($(+((f[l>>2]|0)>>>0)+4294967296.0*+((f[l+4>>2]|0)>>>0))*$(5.42101086e-20));n[g+(k<<2)>>2]=s;k=k+1|0;l=b[r>>0]|0;if((k|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){B=l;break}else u=u+8|0}}else B=m;u=B<<24>>24;if(B<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(u<<2)|0,0,(e<<24>>24)-u<<2|0)|0;i=1;return i|0}case 9:{u=a+24|0;k=b[u>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0){r=f[f[a>>2]>>2]|0;o=a+40|0;l=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;q=Vn(l|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=r+q|0;q=0;while(1){f[g+(q<<2)>>2]=f[o>>2];q=q+1|0;r=b[u>>0]|0;if((q|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){C=r;break}else o=o+4|0}}else C=k;o=C<<24>>24;if(C<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 10:{o=a+24|0;q=b[o>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){u=f[f[a>>2]>>2]|0;m=a+40|0;r=un(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;l=Vn(r|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=u+l|0;l=0;while(1){s=$(+p[m>>3]);n[g+(l<<2)>>2]=s;l=l+1|0;u=b[o>>0]|0;if((l|0)>=((u<<24>>24>e<<24>>24?e:u)<<24>>24|0)){D=u;break}else m=m+8|0}}else D=q;m=D<<24>>24;if(D<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 11:{m=a+24|0;l=b[m>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){o=f[f[a>>2]>>2]|0;k=a+40|0;u=un(f[k>>2]|0,f[k+4>>2]|0,f[c>>2]|0,0)|0;k=a+48|0;r=Vn(u|0,I|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=o+r|0;r=0;while(1){s=$((b[k>>0]|0)!=0&1);n[g+(r<<2)>>2]=s;r=r+1|0;o=b[m>>0]|0;if((r|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){E=o;break}else k=k+1|0}}else E=l;k=E<<24>>24;if(E<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(k<<2)|0,0,(e<<24>>24)-k<<2|0)|0;i=1;return i|0}default:{i=0;return i|0}}while(0);return 0}function nb(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0.0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0.0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0.0,kb=0.0,lb=0.0,mb=0.0,nb=0.0,ob=0.0,pb=0.0,qb=0.0,rb=0.0,sb=0.0,tb=0;i=u;u=u+512|0;j=i;k=d+c|0;l=0-k|0;m=a+4|0;n=a+100|0;o=b;b=0;a:while(1){switch(o|0){case 46:{p=6;break a;break}case 48:break;default:{q=0;r=o;s=b;t=0;v=0;break a}}w=f[m>>2]|0;if(w>>>0<(f[n>>2]|0)>>>0){f[m>>2]=w+1;o=h[w>>0]|0;b=1;continue}else{o=Si(a)|0;b=1;continue}}if((p|0)==6){o=f[m>>2]|0;if(o>>>0<(f[n>>2]|0)>>>0){f[m>>2]=o+1;x=h[o>>0]|0}else x=Si(a)|0;if((x|0)==48){o=0;w=0;while(1){y=Vn(o|0,w|0,-1,-1)|0;z=I;A=f[m>>2]|0;if(A>>>0<(f[n>>2]|0)>>>0){f[m>>2]=A+1;B=h[A>>0]|0}else B=Si(a)|0;if((B|0)==48){o=y;w=z}else{q=1;r=B;s=1;t=y;v=z;break}}}else{q=1;r=x;s=b;t=0;v=0}}f[j>>2]=0;b=r+-48|0;x=(r|0)==46;b:do if(x|b>>>0<10){B=j+496|0;w=0;o=0;z=0;y=q;A=s;C=r;D=x;E=b;F=t;G=v;H=0;J=0;c:while(1){do if(D)if(!y){L=w;M=o;N=1;O=z;P=A;Q=H;R=J;S=H;T=J}else break c;else{U=Vn(H|0,J|0,1,0)|0;V=I;W=(C|0)!=48;if((o|0)>=125){if(!W){L=w;M=o;N=y;O=z;P=A;Q=F;R=G;S=U;T=V;break}f[B>>2]=f[B>>2]|1;L=w;M=o;N=y;O=z;P=A;Q=F;R=G;S=U;T=V;break}Y=j+(o<<2)|0;if(!w)Z=E;else Z=C+-48+((f[Y>>2]|0)*10|0)|0;f[Y>>2]=Z;Y=w+1|0;_=(Y|0)==9;L=_?0:Y;M=o+(_&1)|0;N=y;O=W?U:z;P=1;Q=F;R=G;S=U;T=V}while(0);V=f[m>>2]|0;if(V>>>0<(f[n>>2]|0)>>>0){f[m>>2]=V+1;$=h[V>>0]|0}else $=Si(a)|0;E=$+-48|0;D=($|0)==46;if(!(D|E>>>0<10)){aa=L;ba=M;ca=O;da=N;ea=$;fa=P;ga=S;ha=Q;ia=T;ja=R;p=29;break 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aa=62;while(0);if((aa|0)==62){aa=f[F>>2]|0;L=f[E>>2]|0;n=L;if((aa|0)!=(L|0)?(m=L+-4|0,aa>>>0>>0):0){L=aa;aa=m;do{m=f[L>>2]|0;f[L>>2]=f[aa>>2];f[aa>>2]=m;L=L+4|0;aa=aa+-4|0}while(L>>>0>>0)}f[o>>2]=n;f[p>>2]=f[i>>2];f[q>>2]=f[H>>2];f[g>>2]=f[o>>2];f[e>>2]=f[p>>2];f[d>>2]=f[q>>2];Yd(F,g,e,d)|0;if((f[G>>2]|0)!=(f[D>>2]|0)?(D=f[y>>2]|0,y=((f[D+100>>2]|0)-(f[D+96>>2]|0)|0)/12|0,b[d>>0]=0,qh(t,y,d),y=f[F>>2]|0,F=f[E>>2]|0,(y|0)!=(F|0)):0){E=y;do{f[r>>2]=f[E>>2];f[d>>2]=f[r>>2];He(a,d)|0;E=E+4|0}while((E|0)!=(F|0))}th(v);F=a+232|0;ld(v,F);v=a+280|0;E=f[v>>2]|0;if((E|0?(f[h>>2]|0)>0:0)?(ld(E,F),(f[h>>2]|0)>1):0){E=1;do{ld((f[v>>2]|0)+(E<<5)|0,F);E=E+1|0}while((E|0)<(f[h>>2]|0))}ci((f[a+272>>2]|0)-(f[a+268>>2]|0)>>2,f[(f[x>>2]|0)+44>>2]|0)|0;ci(f[z>>2]|0,f[(f[x>>2]|0)+44>>2]|0)|0;if(bh(a)|0){z=f[(f[x>>2]|0)+44>>2]|0;x=f[F>>2]|0;F=z+16|0;h=f[F+4>>2]|0;if(!((h|0)>0|(h|0)==0&(f[F>>2]|0)>>>0>0)){F=(f[a+236>>2]|0)-x|0;f[e>>2]=f[z+4>>2];f[d>>2]=f[e>>2];Me(z,d,x,x+F|0)|0}ba=1}else ba=0}F=f[i>>2]|0;if(F|0){i=f[H>>2]|0;if((i|0)!=(F|0))f[H>>2]=i+(~((i+-4-F|0)>>>2)<<2);Oq(F)}w=ba;u=c;return w|0}function qb(a,c,e,g,h){a=a|0;c=c|0;e=e|0;g=g|0;h=h|0;var i=0,j=0,k=0,l=0,m=0,n=0,o=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0;i=u;u=u+64|0;j=i+16|0;k=i;l=i+24|0;m=i+8|0;n=i+20|0;f[j>>2]=c;c=(a|0)!=0;o=l+40|0;q=o;r=l+39|0;l=m+4|0;s=0;t=0;v=0;a:while(1){do if((t|0)>-1)if((s|0)>(2147483647-t|0)){w=Vq()|0;f[w>>2]=75;x=-1;break}else{x=s+t|0;break}else x=t;while(0);w=f[j>>2]|0;y=b[w>>0]|0;if(!(y<<24>>24)){z=88;break}else{A=y;B=w}b:while(1){switch(A<<24>>24){case 37:{C=B;D=B;z=9;break b;break}case 0:{E=B;break b;break}default:{}}y=B+1|0;f[j>>2]=y;A=b[y>>0]|0;B=y}c:do if((z|0)==9)while(1){z=0;if((b[D+1>>0]|0)!=37){E=C;break c}y=C+1|0;D=D+2|0;f[j>>2]=D;if((b[D>>0]|0)!=37){E=y;break}else{C=y;z=9}}while(0);y=E-w|0;if(c)Xo(a,w,y);if(y|0){s=y;t=x;continue}y=(Aq(b[(f[j>>2]|0)+1>>0]|0)|0)==0;F=f[j>>2]|0;if(!y?(b[F+2>>0]|0)==36:0){G=(b[F+1>>0]|0)+-48|0;H=1;J=3}else{G=-1;H=v;J=1}y=F+J|0;f[j>>2]=y;F=b[y>>0]|0;K=(F<<24>>24)+-32|0;if(K>>>0>31|(1<>24)+-32|K;P=F+1|0;f[j>>2]=P;Q=b[P>>0]|0;R=(Q<<24>>24)+-32|0;if(R>>>0>31|(1<>24==42){if((Aq(b[N+1>>0]|0)|0)!=0?(F=f[j>>2]|0,(b[F+2>>0]|0)==36):0){O=F+1|0;f[h+((b[O>>0]|0)+-48<<2)>>2]=10;S=f[g+((b[O>>0]|0)+-48<<3)>>2]|0;T=1;U=F+3|0}else{if(H|0){V=-1;break}if(c){F=(f[e>>2]|0)+(4-1)&~(4-1);O=f[F>>2]|0;f[e>>2]=F+4;W=O}else W=0;S=W;T=0;U=(f[j>>2]|0)+1|0}f[j>>2]=U;O=(S|0)<0;X=O?0-S|0:S;Y=O?L|8192:L;Z=T;_=U}else{O=Ll(j)|0;if((O|0)<0){V=-1;break}X=O;Y=L;Z=H;_=f[j>>2]|0}do if((b[_>>0]|0)==46){if((b[_+1>>0]|0)!=42){f[j>>2]=_+1;O=Ll(j)|0;$=O;aa=f[j>>2]|0;break}if(Aq(b[_+2>>0]|0)|0?(O=f[j>>2]|0,(b[O+3>>0]|0)==36):0){F=O+2|0;f[h+((b[F>>0]|0)+-48<<2)>>2]=10;K=f[g+((b[F>>0]|0)+-48<<3)>>2]|0;F=O+4|0;f[j>>2]=F;$=K;aa=F;break}if(Z|0){V=-1;break a}if(c){F=(f[e>>2]|0)+(4-1)&~(4-1);K=f[F>>2]|0;f[e>>2]=F+4;ba=K}else ba=0;K=(f[j>>2]|0)+2|0;f[j>>2]=K;$=ba;aa=K}else{$=-1;aa=_}while(0);K=0;F=aa;while(1){if(((b[F>>0]|0)+-65|0)>>>0>57){V=-1;break a}O=F;F=F+1|0;f[j>>2]=F;ca=b[(b[O>>0]|0)+-65+(16124+(K*58|0))>>0]|0;da=ca&255;if((da+-1|0)>>>0>=8)break;else K=da}if(!(ca<<24>>24)){V=-1;break}O=(G|0)>-1;do if(ca<<24>>24==19)if(O){V=-1;break a}else z=50;else{if(O){f[h+(G<<2)>>2]=da;P=g+(G<<3)|0;Q=f[P+4>>2]|0;y=k;f[y>>2]=f[P>>2];f[y+4>>2]=Q;z=50;break}if(!c){V=0;break a}We(k,da,e);ea=f[j>>2]|0}while(0);if((z|0)==50){z=0;if(c)ea=F;else{s=0;t=x;v=Z;continue}}O=b[ea+-1>>0]|0;Q=(K|0)!=0&(O&15|0)==3?O&-33:O;O=Y&-65537;y=(Y&8192|0)==0?Y:O;d:do switch(Q|0){case 110:{switch((K&255)<<24>>24){case 0:{f[f[k>>2]>>2]=x;s=0;t=x;v=Z;continue a;break}case 1:{f[f[k>>2]>>2]=x;s=0;t=x;v=Z;continue a;break}case 2:{P=f[k>>2]|0;f[P>>2]=x;f[P+4>>2]=((x|0)<0)<<31>>31;s=0;t=x;v=Z;continue a;break}case 3:{d[f[k>>2]>>1]=x;s=0;t=x;v=Z;continue a;break}case 4:{b[f[k>>2]>>0]=x;s=0;t=x;v=Z;continue a;break}case 6:{f[f[k>>2]>>2]=x;s=0;t=x;v=Z;continue a;break}case 7:{P=f[k>>2]|0;f[P>>2]=x;f[P+4>>2]=((x|0)<0)<<31>>31;s=0;t=x;v=Z;continue a;break}default:{s=0;t=x;v=Z;continue a}}break}case 112:{fa=120;ga=$>>>0>8?$:8;ha=y|8;z=62;break}case 88:case 120:{fa=Q;ga=$;ha=y;z=62;break}case 111:{P=k;R=f[P>>2]|0;ia=f[P+4>>2]|0;P=Ol(R,ia,o)|0;ja=q-P|0;ka=P;la=0;ma=16588;na=(y&8|0)==0|($|0)>(ja|0)?$:ja+1|0;oa=y;pa=R;qa=ia;z=68;break}case 105:case 100:{ia=k;R=f[ia>>2]|0;ja=f[ia+4>>2]|0;if((ja|0)<0){ia=Xn(0,0,R|0,ja|0)|0;P=I;ra=k;f[ra>>2]=ia;f[ra+4>>2]=P;sa=1;ta=16588;ua=ia;va=P;z=67;break d}else{sa=(y&2049|0)!=0&1;ta=(y&2048|0)==0?((y&1|0)==0?16588:16590):16589;ua=R;va=ja;z=67;break d}break}case 117:{ja=k;sa=0;ta=16588;ua=f[ja>>2]|0;va=f[ja+4>>2]|0;z=67;break}case 99:{b[r>>0]=f[k>>2];wa=r;xa=0;ya=16588;za=o;Aa=1;Ba=O;break}case 109:{ja=Vq()|0;Ca=$o(f[ja>>2]|0)|0;z=72;break}case 115:{ja=f[k>>2]|0;Ca=ja|0?ja:16598;z=72;break}case 67:{f[m>>2]=f[k>>2];f[l>>2]=0;f[k>>2]=m;Da=-1;Ea=m;z=76;break}case 83:{ja=f[k>>2]|0;if(!$){Qk(a,32,X,0,y);Fa=0;z=85}else{Da=$;Ea=ja;z=76}break}case 65:case 71:case 70:case 69:case 97:case 103:case 102:case 101:{s=ob(a,+p[k>>3],X,$,y,Q)|0;t=x;v=Z;continue a;break}default:{wa=w;xa=0;ya=16588;za=o;Aa=$;Ba=y}}while(0);e:do if((z|0)==62){z=0;w=k;Q=f[w>>2]|0;K=f[w+4>>2]|0;w=ul(Q,K,o,fa&32)|0;F=(ha&8|0)==0|(Q|0)==0&(K|0)==0;ka=w;la=F?0:2;ma=F?16588:16588+(fa>>4)|0;na=ga;oa=ha;pa=Q;qa=K;z=68}else if((z|0)==67){z=0;ka=Rj(ua,va,o)|0;la=sa;ma=ta;na=$;oa=y;pa=ua;qa=va;z=68}else if((z|0)==72){z=0;K=tg(Ca,0,$)|0;Q=(K|0)==0;wa=Ca;xa=0;ya=16588;za=Q?Ca+$|0:K;Aa=Q?$:K-Ca|0;Ba=O}else if((z|0)==76){z=0;K=Ea;Q=0;F=0;while(1){w=f[K>>2]|0;if(!w){Ga=Q;Ha=F;break}ja=Po(n,w)|0;if((ja|0)<0|ja>>>0>(Da-Q|0)>>>0){Ga=Q;Ha=ja;break}w=ja+Q|0;if(Da>>>0>w>>>0){K=K+4|0;Q=w;F=ja}else{Ga=w;Ha=ja;break}}if((Ha|0)<0){V=-1;break a}Qk(a,32,X,Ga,y);if(!Ga){Fa=0;z=85}else{F=Ea;Q=0;while(1){K=f[F>>2]|0;if(!K){Fa=Ga;z=85;break e}ja=Po(n,K)|0;Q=ja+Q|0;if((Q|0)>(Ga|0)){Fa=Ga;z=85;break e}Xo(a,n,ja);if(Q>>>0>=Ga>>>0){Fa=Ga;z=85;break}else F=F+4|0}}}while(0);if((z|0)==68){z=0;O=(pa|0)!=0|(qa|0)!=0;F=(na|0)!=0|O;Q=q-ka+((O^1)&1)|0;wa=F?ka:o;xa=la;ya=ma;za=o;Aa=F?((na|0)>(Q|0)?na:Q):na;Ba=(na|0)>-1?oa&-65537:oa}else if((z|0)==85){z=0;Qk(a,32,X,Fa,y^8192);s=(X|0)>(Fa|0)?X:Fa;t=x;v=Z;continue}Q=za-wa|0;F=(Aa|0)<(Q|0)?Q:Aa;O=F+xa|0;ja=(X|0)<(O|0)?O:X;Qk(a,32,ja,O,Ba);Xo(a,ya,xa);Qk(a,48,ja,O,Ba^65536);Qk(a,48,F,Q,0);Xo(a,wa,Q);Qk(a,32,ja,O,Ba^8192);s=ja;t=x;v=Z}f:do if((z|0)==88)if(!a)if(v){Z=1;while(1){t=f[h+(Z<<2)>>2]|0;if(!t){Ia=Z;break}We(g+(Z<<3)|0,t,e);t=Z+1|0;if((Z|0)<9)Z=t;else{Ia=t;break}}if((Ia|0)<10){Z=Ia;while(1){if(f[h+(Z<<2)>>2]|0){V=-1;break f}if((Z|0)<9)Z=Z+1|0;else{V=1;break}}}else V=1}else V=0;else V=x;while(0);u=i;return V|0}function rb(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0;c=u;u=u+64|0;d=c+56|0;e=c+52|0;g=c+48|0;h=c+60|0;i=c;j=c+44|0;k=c+40|0;l=c+36|0;m=c+32|0;n=c+28|0;o=c+24|0;p=c+20|0;q=c+16|0;r=c+12|0;if(!(b[a+352>>0]|0)){_e(d,f[a+8>>2]|0);s=a+12|0;t=f[d>>2]|0;f[d>>2]=0;v=f[s>>2]|0;f[s>>2]=t;if(v){Ii(v);Oq(v);v=f[d>>2]|0;f[d>>2]=0;if(v|0){Ii(v);Oq(v)}}else f[d>>2]=0}else{fh(d,f[a+8>>2]|0);v=a+12|0;t=f[d>>2]|0;f[d>>2]=0;s=f[v>>2]|0;f[v>>2]=t;if(s){Ii(s);Oq(s);s=f[d>>2]|0;f[d>>2]=0;if(s|0){Ii(s);Oq(s)}}else f[d>>2]=0}s=a+12|0;t=f[s>>2]|0;if(!t){w=0;u=c;return w|0}if((((f[t+4>>2]|0)-(f[t>>2]|0)>>2>>>0)/3|0|0)==(f[t+40>>2]|0)){w=0;u=c;return w|0}t=a+200|0;ve(t,a)|0;v=f[s>>2]|0;x=a+4|0;ci(((f[v+28>>2]|0)-(f[v+24>>2]|0)>>2)-(f[v+44>>2]|0)|0,f[(f[x>>2]|0)+44>>2]|0)|0;v=f[s>>2]|0;ci((((f[v+4>>2]|0)-(f[v>>2]|0)>>2>>>0)/3|0)-(f[v+40>>2]|0)|0,f[(f[x>>2]|0)+44>>2]|0)|0;v=a+28|0;y=a+8|0;z=f[y>>2]|0;A=((f[z+100>>2]|0)-(f[z+96>>2]|0)|0)/12|0;b[d>>0]=0;qh(v,A,d);A=f[s>>2]|0;z=(f[A+28>>2]|0)-(f[A+24>>2]|0)>>2;f[d>>2]=-1;hg(a+52|0,z,d);z=a+40|0;A=f[z>>2]|0;B=a+44|0;C=f[B>>2]|0;if((C|0)!=(A|0))f[B>>2]=C+(~((C+-4-A|0)>>>2)<<2);A=f[s>>2]|0;C=(f[A+4>>2]|0)-(f[A>>2]|0)>>2;gk(z,C-((C>>>0)%3|0)|0);C=a+84|0;z=f[s>>2]|0;A=(f[z+28>>2]|0)-(f[z+24>>2]|0)>>2;b[d>>0]=0;qh(C,A,d);A=a+96|0;z=f[A>>2]|0;B=a+100|0;D=f[B>>2]|0;if((D|0)!=(z|0))f[B>>2]=D+(~((D+-4-z|0)>>>2)<<2);f[a+164>>2]=-1;z=a+168|0;f[z>>2]=0;D=f[a+108>>2]|0;E=a+112|0;F=f[E>>2]|0;if((F|0)!=(D|0))f[E>>2]=F+(~(((F+-12-D|0)>>>0)/12|0)*12|0);D=a+132|0;if(f[D>>2]|0){F=a+128|0;E=f[F>>2]|0;if(E|0){G=E;do{E=G;G=f[G>>2]|0;Oq(E)}while((G|0)!=0)}f[F>>2]=0;F=f[a+124>>2]|0;if(F|0){G=a+120|0;E=0;do{f[(f[G>>2]|0)+(E<<2)>>2]=0;E=E+1|0}while((E|0)!=(F|0))}f[D>>2]=0}f[a+144>>2]=0;D=f[s>>2]|0;F=(f[D+28>>2]|0)-(f[D+24>>2]|0)>>2;f[d>>2]=-1;hg(a+152|0,F,d);F=a+72|0;D=f[F>>2]|0;E=a+76|0;G=f[E>>2]|0;if((G|0)!=(D|0))f[E>>2]=G+(~((G+-4-D|0)>>>2)<<2);D=f[s>>2]|0;gk(F,((f[D+4>>2]|0)-(f[D>>2]|0)>>2>>>0)/3|0);f[a+64>>2]=0;if(!(Be(a)|0)){w=0;u=c;return w|0}if(!(Dg(a)|0)){w=0;u=c;return w|0}D=a+172|0;G=a+176|0;H=(((f[G>>2]|0)-(f[D>>2]|0)|0)/136|0)&255;b[h>>0]=H;I=f[(f[x>>2]|0)+44>>2]|0;J=I+16|0;K=f[J+4>>2]|0;if((K|0)>0|(K|0)==0&(f[J>>2]|0)>>>0>0)L=H;else{f[e>>2]=f[I+4>>2];f[d>>2]=f[e>>2];Me(I,d,h,h+1|0)|0;L=b[h>>0]|0}f[a+284>>2]=L&255;L=f[s>>2]|0;h=(f[L+4>>2]|0)-(f[L>>2]|0)|0;L=h>>2;dj(t);f[i>>2]=0;I=i+4|0;f[I>>2]=0;f[i+8>>2]=0;a:do if((h|0)>0){H=a+104|0;J=i+8|0;K=0;b:while(1){M=(K>>>0)/3|0;N=M>>>5;O=1<<(M&31);if((f[(f[v>>2]|0)+(N<<2)>>2]&O|0)==0?(P=f[s>>2]|0,f[j>>2]=M,f[d>>2]=f[j>>2],!(_j(P,d)|0)):0){f[e>>2]=0;f[k>>2]=M;f[d>>2]=f[k>>2];M=xg(a,d,e)|0;fj(t,M);P=f[e>>2]|0;Q=(P|0)==-1;do if(M){do if(Q){R=-1;S=-1;T=-1}else{U=f[f[s>>2]>>2]|0;V=f[U+(P<<2)>>2]|0;W=P+1|0;X=((W>>>0)%3|0|0)==0?P+-2|0:W;if((X|0)==-1)Y=-1;else Y=f[U+(X<<2)>>2]|0;X=(((P>>>0)%3|0|0)==0?2:-1)+P|0;if((X|0)==-1){R=-1;S=Y;T=V;break}R=f[U+(X<<2)>>2]|0;S=Y;T=V}while(0);V=f[C>>2]|0;X=V+(T>>>5<<2)|0;f[X>>2]=f[X>>2]|1<<(T&31);X=V+(S>>>5<<2)|0;f[X>>2]=f[X>>2]|1<<(S&31);X=V+(R>>>5<<2)|0;f[X>>2]=f[X>>2]|1<<(R&31);f[d>>2]=1;X=f[B>>2]|0;if(X>>>0<(f[H>>2]|0)>>>0){f[X>>2]=1;f[B>>2]=X+4}else Ri(A,d);X=(f[v>>2]|0)+(N<<2)|0;f[X>>2]=f[X>>2]|O;X=P+1|0;if(Q)Z=-1;else Z=((X>>>0)%3|0|0)==0?P+-2|0:X;f[d>>2]=Z;V=f[I>>2]|0;if(V>>>0<(f[J>>2]|0)>>>0){f[V>>2]=Z;f[I>>2]=V+4}else Ri(i,d);if(Q)break;V=((X>>>0)%3|0|0)==0?P+-2|0:X;if((V|0)==-1)break;X=f[(f[(f[s>>2]|0)+12>>2]|0)+(V<<2)>>2]|0;V=(X|0)==-1;U=V?-1:(X>>>0)/3|0;if(V)break;if(f[(f[v>>2]|0)+(U>>>5<<2)>>2]&1<<(U&31)|0)break;f[l>>2]=X;f[d>>2]=f[l>>2];if(!(Yb(a,d)|0))break b}else{X=P+1|0;if(Q)_=-1;else _=((X>>>0)%3|0|0)==0?P+-2|0:X;f[m>>2]=_;f[d>>2]=f[m>>2];Pe(a,d,1)|0;f[n>>2]=f[e>>2];f[d>>2]=f[n>>2];if(!(Yb(a,d)|0))break b}while(0)}K=K+1|0;if((K|0)>=(L|0)){$=62;break a}}aa=0}else $=62;while(0);if(($|0)==62){$=f[F>>2]|0;L=f[E>>2]|0;n=L;if(($|0)!=(L|0)?(m=L+-4|0,$>>>0>>0):0){L=$;$=m;do{m=f[L>>2]|0;f[L>>2]=f[$>>2];f[$>>2]=m;L=L+4|0;$=$+-4|0}while(L>>>0<$>>>0)}f[o>>2]=n;f[p>>2]=f[i>>2];f[q>>2]=f[I>>2];f[g>>2]=f[o>>2];f[e>>2]=f[p>>2];f[d>>2]=f[q>>2];Yd(F,g,e,d)|0;if((f[G>>2]|0)!=(f[D>>2]|0)?(D=f[y>>2]|0,y=((f[D+100>>2]|0)-(f[D+96>>2]|0)|0)/12|0,b[d>>0]=0,qh(v,y,d),y=f[F>>2]|0,F=f[E>>2]|0,(y|0)!=(F|0)):0){E=y;do{f[r>>2]=f[E>>2];f[d>>2]=f[r>>2];He(a,d)|0;E=E+4|0}while((E|0)!=(F|0))}pi(t);ci(f[a+324>>2]|0,f[(f[x>>2]|0)+44>>2]|0)|0;ci(f[z>>2]|0,f[(f[x>>2]|0)+44>>2]|0)|0;if(bh(a)|0){z=f[(f[x>>2]|0)+44>>2]|0;x=f[a+232>>2]|0;t=z+16|0;F=f[t+4>>2]|0;if(!((F|0)>0|(F|0)==0&(f[t>>2]|0)>>>0>0)){t=(f[a+236>>2]|0)-x|0;f[e>>2]=f[z+4>>2];f[d>>2]=f[e>>2];Me(z,d,x,x+t|0)|0}aa=1}else aa=0}t=f[i>>2]|0;if(t|0){i=f[I>>2]|0;if((i|0)!=(t|0))f[I>>2]=i+(~((i+-4-t|0)>>>2)<<2);Oq(t)}w=aa;u=c;return w|0}function sb(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=Oa,ma=Oa,na=Oa,oa=0,pa=0,qa=0,ra=0,sa=0;c=u;u=u+64|0;d=c+28|0;e=c+16|0;g=c+4|0;h=c;i=a;j=a+80|0;k=f[j>>2]|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=i;l=d+20|0;n[l>>2]=$(1.0);f[d+24>>2]=i;Ih(d,k);k=f[j>>2]|0;f[e>>2]=0;i=e+4|0;f[i>>2]=0;f[e+8>>2]=0;m=(k|0)==0;do if(!m)if(k>>>0>1073741823)aq(e);else{o=k<<2;p=ln(o)|0;f[e>>2]=p;q=p+(k<<2)|0;f[e+8>>2]=q;sj(p|0,0,o|0)|0;f[i>>2]=q;break}while(0);f[g>>2]=0;k=g+4|0;f[k>>2]=0;f[g+8>>2]=0;f[h>>2]=0;if(!m){m=d+16|0;q=d+4|0;o=d+12|0;p=d+8|0;r=g+8|0;s=d+24|0;t=0;v=0;while(1){w=f[m>>2]|0;x=f[w+8>>2]|0;y=(f[w+12>>2]|0)-x|0;w=(y|0)>0;z=x;if(w){x=y>>>2;A=0;B=0;while(1){C=f[z+(A<<2)>>2]|0;if(!(b[C+84>>0]|0))D=f[(f[C+68>>2]|0)+(v<<2)>>2]|0;else D=v;C=D+239^B;A=A+1|0;if((A|0)>=(x|0)){E=C;break}else B=C}}else E=0;B=f[q>>2]|0;x=(B|0)==0;a:do if(!x){A=B+-1|0;C=(A&B|0)==0;if(!C)if(E>>>0>>0)F=E;else F=(E>>>0)%(B>>>0)|0;else F=A&E;G=f[(f[d>>2]|0)+(F<<2)>>2]|0;if((G|0)!=0?(H=f[G>>2]|0,(H|0)!=0):0){G=f[s>>2]|0;I=G+8|0;J=G+12|0;b:do if(C){G=H;while(1){K=f[G+4>>2]|0;L=(K|0)==(E|0);if(!(L|(K&A|0)==(F|0))){M=44;break a}c:do if(L){K=f[G+8>>2]|0;N=f[I>>2]|0;O=(f[J>>2]|0)-N|0;P=N;if((O|0)<=0){Q=G;break b}N=O>>>2;O=0;while(1){R=f[P+(O<<2)>>2]|0;if(!(b[R+84>>0]|0)){S=f[R+68>>2]|0;T=f[S+(v<<2)>>2]|0;U=f[S+(K<<2)>>2]|0}else{T=v;U=K}O=O+1|0;if((U|0)!=(T|0))break c;if((O|0)>=(N|0)){V=G;M=42;break b}}}while(0);G=f[G>>2]|0;if(!G){M=44;break a}}}else{G=H;while(1){L=f[G+4>>2]|0;d:do if((L|0)!=(E|0)){if(L>>>0>>0)X=L;else X=(L>>>0)%(B>>>0)|0;if((X|0)!=(F|0)){M=44;break a}}else{N=f[G+8>>2]|0;O=f[I>>2]|0;K=(f[J>>2]|0)-O|0;P=O;if((K|0)<=0){Q=G;break b}O=K>>>2;K=0;while(1){S=f[P+(K<<2)>>2]|0;if(!(b[S+84>>0]|0)){R=f[S+68>>2]|0;Y=f[R+(v<<2)>>2]|0;Z=f[R+(N<<2)>>2]|0}else{Y=v;Z=N}K=K+1|0;if((Z|0)!=(Y|0))break d;if((K|0)>=(O|0)){V=G;M=42;break b}}}while(0);G=f[G>>2]|0;if(!G){M=44;break a}}}while(0);if((M|0)==42){M=0;if(!V){M=44;break}else Q=V}f[(f[e>>2]|0)+(v<<2)>>2]=f[Q+12>>2];_=t}else M=44}else M=44;while(0);do if((M|0)==44){M=0;if(w){J=y>>>2;I=0;H=0;while(1){A=f[z+(I<<2)>>2]|0;if(!(b[A+84>>0]|0))aa=f[(f[A+68>>2]|0)+(v<<2)>>2]|0;else aa=v;A=aa+239^H;I=I+1|0;if((I|0)>=(J|0)){ba=A;break}else H=A}}else ba=0;e:do if(!x){H=B+-1|0;J=(H&B|0)==0;if(!J)if(ba>>>0>>0)ca=ba;else ca=(ba>>>0)%(B>>>0)|0;else ca=H&ba;I=f[(f[d>>2]|0)+(ca<<2)>>2]|0;if((I|0)!=0?(A=f[I>>2]|0,(A|0)!=0):0){I=f[s>>2]|0;C=I+8|0;G=I+12|0;if(J){J=A;while(1){I=f[J+4>>2]|0;if(!((I|0)==(ba|0)|(I&H|0)==(ca|0))){da=ca;M=76;break e}I=f[J+8>>2]|0;L=f[C>>2]|0;O=(f[G>>2]|0)-L|0;K=L;if((O|0)<=0){ea=v;break e}L=O>>>2;O=0;while(1){N=f[K+(O<<2)>>2]|0;if(!(b[N+84>>0]|0)){P=f[N+68>>2]|0;fa=f[P+(v<<2)>>2]|0;ga=f[P+(I<<2)>>2]|0}else{fa=v;ga=I}O=O+1|0;if((ga|0)!=(fa|0))break;if((O|0)>=(L|0)){ea=v;break e}}J=f[J>>2]|0;if(!J){da=ca;M=76;break e}}}else ha=A;while(1){J=f[ha+4>>2]|0;if((J|0)!=(ba|0)){if(J>>>0>>0)ia=J;else ia=(J>>>0)%(B>>>0)|0;if((ia|0)!=(ca|0)){da=ca;M=76;break e}}J=f[ha+8>>2]|0;H=f[C>>2]|0;L=(f[G>>2]|0)-H|0;O=H;if((L|0)<=0){ea=v;break e}H=L>>>2;L=0;while(1){I=f[O+(L<<2)>>2]|0;if(!(b[I+84>>0]|0)){K=f[I+68>>2]|0;ja=f[K+(v<<2)>>2]|0;ka=f[K+(J<<2)>>2]|0}else{ja=v;ka=J}L=L+1|0;if((ka|0)!=(ja|0))break;if((L|0)>=(H|0)){ea=v;break e}}ha=f[ha>>2]|0;if(!ha){da=ca;M=76;break}}}else{da=ca;M=76}}else{da=0;M=76}while(0);if((M|0)==76){M=0;G=ln(16)|0;f[G+8>>2]=v;f[G+12>>2]=t;f[G+4>>2]=ba;f[G>>2]=0;la=$(((f[o>>2]|0)+1|0)>>>0);ma=$(B>>>0);na=$(n[l>>2]);do if(x|$(na*ma)>>0<3|(B+-1&B|0)!=0)&1;A=~~$(W($(la/na)))>>>0;Ih(d,C>>>0>>0?A:C);C=f[q>>2]|0;A=C+-1|0;if(!(A&C)){oa=C;pa=A&ba;break}if(ba>>>0>>0){oa=C;pa=ba}else{oa=C;pa=(ba>>>0)%(C>>>0)|0}}else{oa=B;pa=da}while(0);C=(f[d>>2]|0)+(pa<<2)|0;A=f[C>>2]|0;if(!A){f[G>>2]=f[p>>2];f[p>>2]=G;f[C>>2]=p;C=f[G>>2]|0;if(C|0){H=f[C+4>>2]|0;C=oa+-1|0;if(C&oa)if(H>>>0>>0)qa=H;else qa=(H>>>0)%(oa>>>0)|0;else qa=H&C;ra=(f[d>>2]|0)+(qa<<2)|0;M=89}}else{f[G>>2]=f[A>>2];ra=A;M=89}if((M|0)==89){M=0;f[ra>>2]=G}f[o>>2]=(f[o>>2]|0)+1;ea=f[h>>2]|0}A=t+1|0;f[(f[e>>2]|0)+(ea<<2)>>2]=t;C=f[k>>2]|0;if((C|0)==(f[r>>2]|0)){Ri(g,h);_=A;break}else{f[C>>2]=f[h>>2];f[k>>2]=C+4;_=A;break}}while(0);v=(f[h>>2]|0)+1|0;f[h>>2]=v;sa=f[j>>2]|0;if(v>>>0>=sa>>>0)break;else t=_}if((_|0)!=(sa|0)){Xa[f[(f[a>>2]|0)+24>>2]&15](a,e,g);f[j>>2]=_}}_=f[g>>2]|0;if(_|0){g=f[k>>2]|0;if((g|0)!=(_|0))f[k>>2]=g+(~((g+-4-_|0)>>>2)<<2);Oq(_)}_=f[e>>2]|0;if(_|0){e=f[i>>2]|0;if((e|0)!=(_|0))f[i>>2]=e+(~((e+-4-_|0)>>>2)<<2);Oq(_)}_=f[d+8>>2]|0;if(_|0){e=_;do{_=e;e=f[e>>2]|0;Oq(_)}while((e|0)!=0)}e=f[d>>2]|0;f[d>>2]=0;if(!e){u=c;return}Oq(e);u=c;return}function tb(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0;g=u;u=u+80|0;h=g+76|0;i=g+72|0;j=g+48|0;k=g+24|0;l=g;m=a+32|0;n=f[c>>2]|0;c=n+1|0;if((n|0)!=-1){o=((c>>>0)%3|0|0)==0?n+-2|0:c;c=(((n>>>0)%3|0|0)==0?2:-1)+n|0;if((o|0)==-1)p=-1;else p=f[(f[f[m>>2]>>2]|0)+(o<<2)>>2]|0;if((c|0)==-1){q=p;r=-1}else{q=p;r=f[(f[f[m>>2]>>2]|0)+(c<<2)>>2]|0}}else{q=-1;r=-1}c=f[a+36>>2]|0;m=f[c>>2]|0;p=(f[c+4>>2]|0)-m>>2;if(p>>>0<=q>>>0)aq(c);o=m;m=f[o+(q<<2)>>2]|0;if(p>>>0<=r>>>0)aq(c);c=f[o+(r<<2)>>2]|0;r=(m|0)<(e|0);do if(r&(c|0)<(e|0)){o=m<<1;p=f[d+(o<<2)>>2]|0;q=((p|0)<0)<<31>>31;n=f[d+((o|1)<<2)>>2]|0;o=((n|0)<0)<<31>>31;s=c<<1;t=f[d+(s<<2)>>2]|0;v=f[d+((s|1)<<2)>>2]|0;if(!((t|0)!=(p|0)|(v|0)!=(n|0))){f[a+8>>2]=p;f[a+12>>2]=n;u=g;return}s=a+4|0;w=f[(f[s>>2]|0)+(e<<2)>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;f[j+16>>2]=0;f[j+20>>2]=0;x=f[a>>2]|0;if(!(b[x+84>>0]|0))y=f[(f[x+68>>2]|0)+(w<<2)>>2]|0;else y=w;f[i>>2]=y;w=b[x+24>>0]|0;f[h>>2]=f[i>>2];vb(x,h,w,j)|0;w=f[(f[s>>2]|0)+(m<<2)>>2]|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;x=f[a>>2]|0;if(!(b[x+84>>0]|0))z=f[(f[x+68>>2]|0)+(w<<2)>>2]|0;else z=w;f[i>>2]=z;w=b[x+24>>0]|0;f[h>>2]=f[i>>2];vb(x,h,w,k)|0;w=f[(f[s>>2]|0)+(c<<2)>>2]|0;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;f[l+12>>2]=0;f[l+16>>2]=0;f[l+20>>2]=0;s=f[a>>2]|0;if(!(b[s+84>>0]|0))A=f[(f[s+68>>2]|0)+(w<<2)>>2]|0;else A=w;f[i>>2]=A;w=b[s+24>>0]|0;f[h>>2]=f[i>>2];vb(s,h,w,l)|0;w=l;s=k;x=f[s>>2]|0;B=f[s+4>>2]|0;s=Xn(f[w>>2]|0,f[w+4>>2]|0,x|0,B|0)|0;w=I;C=l+8|0;D=k+8|0;E=f[D>>2]|0;F=f[D+4>>2]|0;D=Xn(f[C>>2]|0,f[C+4>>2]|0,E|0,F|0)|0;C=I;G=l+16|0;H=k+16|0;J=f[H>>2]|0;K=f[H+4>>2]|0;H=Xn(f[G>>2]|0,f[G+4>>2]|0,J|0,K|0)|0;G=I;L=un(s|0,w|0,s|0,w|0)|0;M=I;N=un(D|0,C|0,D|0,C|0)|0;O=Vn(N|0,I|0,L|0,M|0)|0;M=I;L=un(H|0,G|0,H|0,G|0)|0;N=Vn(O|0,M|0,L|0,I|0)|0;L=I;if((N|0)==0&(L|0)==0)break;M=j;O=Xn(f[M>>2]|0,f[M+4>>2]|0,x|0,B|0)|0;B=I;x=j+8|0;M=Xn(f[x>>2]|0,f[x+4>>2]|0,E|0,F|0)|0;F=I;E=j+16|0;x=Xn(f[E>>2]|0,f[E+4>>2]|0,J|0,K|0)|0;K=I;J=un(O|0,B|0,s|0,w|0)|0;E=I;P=un(M|0,F|0,D|0,C|0)|0;Q=Vn(P|0,I|0,J|0,E|0)|0;E=I;J=un(x|0,K|0,H|0,G|0)|0;P=Vn(Q|0,E|0,J|0,I|0)|0;J=I;E=Xn(t|0,((t|0)<0)<<31>>31|0,p|0,q|0)|0;t=I;Q=Xn(v|0,((v|0)<0)<<31>>31|0,n|0,o|0)|0;v=I;R=un(N|0,L|0,p|0,q|0)|0;q=I;p=un(N|0,L|0,n|0,o|0)|0;o=I;n=un(P|0,J|0,E|0,t|0)|0;S=I;T=un(P|0,J|0,Q|0,v|0)|0;U=I;V=Vn(n|0,S|0,R|0,q|0)|0;q=I;R=Vn(T|0,U|0,p|0,o|0)|0;o=I;p=un(P|0,J|0,s|0,w|0)|0;w=I;s=un(P|0,J|0,D|0,C|0)|0;C=I;D=un(P|0,J|0,H|0,G|0)|0;G=I;H=Ik(p|0,w|0,N|0,L|0)|0;w=I;p=Ik(s|0,C|0,N|0,L|0)|0;C=I;s=Ik(D|0,G|0,N|0,L|0)|0;G=I;D=Xn(O|0,B|0,H|0,w|0)|0;w=I;H=Xn(M|0,F|0,p|0,C|0)|0;C=I;p=Xn(x|0,K|0,s|0,G|0)|0;G=I;s=un(D|0,w|0,D|0,w|0)|0;w=I;D=un(H|0,C|0,H|0,C|0)|0;C=Vn(D|0,I|0,s|0,w|0)|0;w=I;s=un(p|0,G|0,p|0,G|0)|0;G=Vn(C|0,w|0,s|0,I|0)|0;s=I;w=Xn(0,0,E|0,t|0)|0;t=I;E=un(G|0,s|0,N|0,L|0)|0;s=I;switch(E|0){case 0:{if(!s){W=0;X=0}else{Y=1;Z=0;_=E;$=s;aa=23}break}case 1:{if(!s){ba=1;ca=0;aa=24}else{Y=1;Z=0;_=E;$=s;aa=23}break}default:{Y=1;Z=0;_=E;$=s;aa=23}}if((aa|0)==23)while(1){aa=0;G=Tn(Y|0,Z|0,1)|0;C=I;p=_;_=Yn(_|0,$|0,2)|0;if(!($>>>0>0|($|0)==0&p>>>0>7)){ba=G;ca=C;aa=24;break}else{Y=G;Z=C;$=I;aa=23}}if((aa|0)==24)while(1){aa=0;C=jp(E|0,s|0,ba|0,ca|0)|0;G=Vn(C|0,I|0,ba|0,ca|0)|0;C=Yn(G|0,I|0,1)|0;G=I;p=un(C|0,G|0,C|0,G|0)|0;D=I;if(D>>>0>s>>>0|(D|0)==(s|0)&p>>>0>E>>>0){ba=C;ca=G;aa=24}else{W=C;X=G;break}}E=un(W|0,X|0,Q|0,v|0)|0;s=I;G=un(W|0,X|0,w|0,t|0)|0;C=I;p=Vn(E|0,s|0,V|0,q|0)|0;D=I;H=Vn(G|0,C|0,R|0,o|0)|0;K=I;x=Ik(p|0,D|0,N|0,L|0)|0;D=I;p=Ik(H|0,K|0,N|0,L|0)|0;K=I;H=Xn(V|0,q|0,E|0,s|0)|0;s=I;E=Xn(R|0,o|0,G|0,C|0)|0;C=I;G=Ik(H|0,s|0,N|0,L|0)|0;s=I;H=Ik(E|0,C|0,N|0,L|0)|0;C=I;E=e<<1;F=f[d+(E<<2)>>2]|0;M=((F|0)<0)<<31>>31;B=f[d+((E|1)<<2)>>2]|0;E=((B|0)<0)<<31>>31;O=Xn(F|0,M|0,x|0,D|0)|0;J=I;P=Xn(B|0,E|0,p|0,K|0)|0;U=I;T=un(O|0,J|0,O|0,J|0)|0;J=I;O=un(P|0,U|0,P|0,U|0)|0;U=Vn(O|0,I|0,T|0,J|0)|0;J=I;T=Xn(F|0,M|0,G|0,s|0)|0;M=I;F=Xn(B|0,E|0,H|0,C|0)|0;E=I;B=un(T|0,M|0,T|0,M|0)|0;M=I;T=un(F|0,E|0,F|0,E|0)|0;E=Vn(T|0,I|0,B|0,M|0)|0;M=I;B=a+16|0;T=a+20|0;F=f[T>>2]|0;O=f[a+24>>2]|0;P=(F|0)==(O<<5|0);if(J>>>0>>0|(J|0)==(M|0)&U>>>0>>0){do if(P)if((F+1|0)<0)aq(B);else{E=O<<6;U=F+32&-32;vi(B,F>>>0<1073741823?(E>>>0>>0?U:E):2147483647);da=f[T>>2]|0;break}else da=F;while(0);f[T>>2]=da+1;L=(f[B>>2]|0)+(da>>>5<<2)|0;f[L>>2]=f[L>>2]|1<<(da&31);ea=x;fa=p;ga=K;ha=D}else{do if(P)if((F+1|0)<0)aq(B);else{L=O<<6;N=F+32&-32;vi(B,F>>>0<1073741823?(L>>>0>>0?N:L):2147483647);ia=f[T>>2]|0;break}else ia=F;while(0);f[T>>2]=ia+1;F=(f[B>>2]|0)+(ia>>>5<<2)|0;f[F>>2]=f[F>>2]&~(1<<(ia&31));ea=G;fa=H;ga=C;ha=s}f[a+8>>2]=ea;f[a+12>>2]=fa;u=g;return}while(0);do if(r)ja=m<<1;else{if((e|0)>0){ja=(e<<1)+-2|0;break}fa=a+8|0;f[fa>>2]=0;f[fa+4>>2]=0;u=g;return}while(0);f[a+8>>2]=f[d+(ja<<2)>>2];f[a+12>>2]=f[d+(ja+1<<2)>>2];u=g;return}function ub(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0;g=u;u=u+80|0;h=g+76|0;i=g+72|0;j=g+48|0;k=g+24|0;l=g;m=a+32|0;n=f[c>>2]|0;c=n+1|0;do if((n|0)!=-1){o=((c>>>0)%3|0|0)==0?n+-2|0:c;if(!((n>>>0)%3|0)){p=n+2|0;q=o;break}else{p=n+-1|0;q=o;break}}else{p=-1;q=-1}while(0);n=f[(f[m>>2]|0)+28>>2]|0;m=f[n+(q<<2)>>2]|0;q=f[n+(p<<2)>>2]|0;p=f[a+36>>2]|0;n=f[p>>2]|0;c=(f[p+4>>2]|0)-n>>2;if(c>>>0<=m>>>0)aq(p);o=n;n=f[o+(m<<2)>>2]|0;if(c>>>0<=q>>>0)aq(p);p=f[o+(q<<2)>>2]|0;q=(n|0)<(e|0);do if(q&(p|0)<(e|0)){o=n<<1;c=f[d+(o<<2)>>2]|0;m=((c|0)<0)<<31>>31;r=f[d+((o|1)<<2)>>2]|0;o=((r|0)<0)<<31>>31;s=p<<1;t=f[d+(s<<2)>>2]|0;v=f[d+((s|1)<<2)>>2]|0;if(!((t|0)!=(c|0)|(v|0)!=(r|0))){f[a+8>>2]=c;f[a+12>>2]=r;u=g;return}s=a+4|0;w=f[(f[s>>2]|0)+(e<<2)>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;f[j+16>>2]=0;f[j+20>>2]=0;x=f[a>>2]|0;if(!(b[x+84>>0]|0))y=f[(f[x+68>>2]|0)+(w<<2)>>2]|0;else y=w;f[i>>2]=y;w=b[x+24>>0]|0;f[h>>2]=f[i>>2];vb(x,h,w,j)|0;w=f[(f[s>>2]|0)+(n<<2)>>2]|0;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;x=f[a>>2]|0;if(!(b[x+84>>0]|0))z=f[(f[x+68>>2]|0)+(w<<2)>>2]|0;else z=w;f[i>>2]=z;w=b[x+24>>0]|0;f[h>>2]=f[i>>2];vb(x,h,w,k)|0;w=f[(f[s>>2]|0)+(p<<2)>>2]|0;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;f[l+12>>2]=0;f[l+16>>2]=0;f[l+20>>2]=0;s=f[a>>2]|0;if(!(b[s+84>>0]|0))A=f[(f[s+68>>2]|0)+(w<<2)>>2]|0;else A=w;f[i>>2]=A;w=b[s+24>>0]|0;f[h>>2]=f[i>>2];vb(s,h,w,l)|0;w=l;s=k;x=f[s>>2]|0;B=f[s+4>>2]|0;s=Xn(f[w>>2]|0,f[w+4>>2]|0,x|0,B|0)|0;w=I;C=l+8|0;D=k+8|0;E=f[D>>2]|0;F=f[D+4>>2]|0;D=Xn(f[C>>2]|0,f[C+4>>2]|0,E|0,F|0)|0;C=I;G=l+16|0;H=k+16|0;J=f[H>>2]|0;K=f[H+4>>2]|0;H=Xn(f[G>>2]|0,f[G+4>>2]|0,J|0,K|0)|0;G=I;L=un(s|0,w|0,s|0,w|0)|0;M=I;N=un(D|0,C|0,D|0,C|0)|0;O=Vn(N|0,I|0,L|0,M|0)|0;M=I;L=un(H|0,G|0,H|0,G|0)|0;N=Vn(O|0,M|0,L|0,I|0)|0;L=I;if((N|0)==0&(L|0)==0)break;M=j;O=Xn(f[M>>2]|0,f[M+4>>2]|0,x|0,B|0)|0;B=I;x=j+8|0;M=Xn(f[x>>2]|0,f[x+4>>2]|0,E|0,F|0)|0;F=I;E=j+16|0;x=Xn(f[E>>2]|0,f[E+4>>2]|0,J|0,K|0)|0;K=I;J=un(O|0,B|0,s|0,w|0)|0;E=I;P=un(M|0,F|0,D|0,C|0)|0;Q=Vn(P|0,I|0,J|0,E|0)|0;E=I;J=un(x|0,K|0,H|0,G|0)|0;P=Vn(Q|0,E|0,J|0,I|0)|0;J=I;E=Xn(t|0,((t|0)<0)<<31>>31|0,c|0,m|0)|0;t=I;Q=Xn(v|0,((v|0)<0)<<31>>31|0,r|0,o|0)|0;v=I;R=un(N|0,L|0,c|0,m|0)|0;m=I;c=un(N|0,L|0,r|0,o|0)|0;o=I;r=un(P|0,J|0,E|0,t|0)|0;S=I;T=un(P|0,J|0,Q|0,v|0)|0;U=I;V=Vn(r|0,S|0,R|0,m|0)|0;m=I;R=Vn(T|0,U|0,c|0,o|0)|0;o=I;c=un(P|0,J|0,s|0,w|0)|0;w=I;s=un(P|0,J|0,D|0,C|0)|0;C=I;D=un(P|0,J|0,H|0,G|0)|0;G=I;H=Ik(c|0,w|0,N|0,L|0)|0;w=I;c=Ik(s|0,C|0,N|0,L|0)|0;C=I;s=Ik(D|0,G|0,N|0,L|0)|0;G=I;D=Xn(O|0,B|0,H|0,w|0)|0;w=I;H=Xn(M|0,F|0,c|0,C|0)|0;C=I;c=Xn(x|0,K|0,s|0,G|0)|0;G=I;s=un(D|0,w|0,D|0,w|0)|0;w=I;D=un(H|0,C|0,H|0,C|0)|0;C=Vn(D|0,I|0,s|0,w|0)|0;w=I;s=un(c|0,G|0,c|0,G|0)|0;G=Vn(C|0,w|0,s|0,I|0)|0;s=I;w=Xn(0,0,E|0,t|0)|0;t=I;E=un(G|0,s|0,N|0,L|0)|0;s=I;switch(E|0){case 0:{if(!s){W=0;X=0}else{Y=1;Z=0;_=E;$=s;aa=22}break}case 1:{if(!s){ba=1;ca=0;aa=23}else{Y=1;Z=0;_=E;$=s;aa=22}break}default:{Y=1;Z=0;_=E;$=s;aa=22}}if((aa|0)==22)while(1){aa=0;G=Tn(Y|0,Z|0,1)|0;C=I;c=_;_=Yn(_|0,$|0,2)|0;if(!($>>>0>0|($|0)==0&c>>>0>7)){ba=G;ca=C;aa=23;break}else{Y=G;Z=C;$=I;aa=22}}if((aa|0)==23)while(1){aa=0;C=jp(E|0,s|0,ba|0,ca|0)|0;G=Vn(C|0,I|0,ba|0,ca|0)|0;C=Yn(G|0,I|0,1)|0;G=I;c=un(C|0,G|0,C|0,G|0)|0;D=I;if(D>>>0>s>>>0|(D|0)==(s|0)&c>>>0>E>>>0){ba=C;ca=G;aa=23}else{W=C;X=G;break}}E=un(W|0,X|0,Q|0,v|0)|0;s=I;G=un(W|0,X|0,w|0,t|0)|0;C=I;c=Vn(E|0,s|0,V|0,m|0)|0;D=I;H=Vn(G|0,C|0,R|0,o|0)|0;K=I;x=Ik(c|0,D|0,N|0,L|0)|0;D=I;c=Ik(H|0,K|0,N|0,L|0)|0;K=I;H=Xn(V|0,m|0,E|0,s|0)|0;s=I;E=Xn(R|0,o|0,G|0,C|0)|0;C=I;G=Ik(H|0,s|0,N|0,L|0)|0;s=I;H=Ik(E|0,C|0,N|0,L|0)|0;C=I;E=e<<1;F=f[d+(E<<2)>>2]|0;M=((F|0)<0)<<31>>31;B=f[d+((E|1)<<2)>>2]|0;E=((B|0)<0)<<31>>31;O=Xn(F|0,M|0,x|0,D|0)|0;J=I;P=Xn(B|0,E|0,c|0,K|0)|0;U=I;T=un(O|0,J|0,O|0,J|0)|0;J=I;O=un(P|0,U|0,P|0,U|0)|0;U=Vn(O|0,I|0,T|0,J|0)|0;J=I;T=Xn(F|0,M|0,G|0,s|0)|0;M=I;F=Xn(B|0,E|0,H|0,C|0)|0;E=I;B=un(T|0,M|0,T|0,M|0)|0;M=I;T=un(F|0,E|0,F|0,E|0)|0;E=Vn(T|0,I|0,B|0,M|0)|0;M=I;B=a+16|0;T=a+20|0;F=f[T>>2]|0;O=f[a+24>>2]|0;P=(F|0)==(O<<5|0);if(J>>>0>>0|(J|0)==(M|0)&U>>>0>>0){do if(P)if((F+1|0)<0)aq(B);else{E=O<<6;U=F+32&-32;vi(B,F>>>0<1073741823?(E>>>0>>0?U:E):2147483647);da=f[T>>2]|0;break}else da=F;while(0);f[T>>2]=da+1;L=(f[B>>2]|0)+(da>>>5<<2)|0;f[L>>2]=f[L>>2]|1<<(da&31);ea=x;fa=c;ga=K;ha=D}else{do if(P)if((F+1|0)<0)aq(B);else{L=O<<6;N=F+32&-32;vi(B,F>>>0<1073741823?(L>>>0>>0?N:L):2147483647);ia=f[T>>2]|0;break}else ia=F;while(0);f[T>>2]=ia+1;F=(f[B>>2]|0)+(ia>>>5<<2)|0;f[F>>2]=f[F>>2]&~(1<<(ia&31));ea=G;fa=H;ga=C;ha=s}f[a+8>>2]=ea;f[a+12>>2]=fa;u=g;return}while(0);do if(q)ja=n<<1;else{if((e|0)>0){ja=(e<<1)+-2|0;break}fa=a+8|0;f[fa>>2]=0;f[fa+4>>2]=0;u=g;return}while(0);f[a+8>>2]=f[d+(ja<<2)>>2];f[a+12>>2]=f[d+(ja+1<<2)>>2];u=g;return}function vb(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var i=0,k=0,l=0,m=0,o=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=Oa,D=0,E=0.0,F=0,G=0;if(!g){i=0;return i|0}do switch(f[a+28>>2]|0){case 1:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){m=f[f[a>>2]>>2]|0;o=a+40|0;q=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Vn(q|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=m+r|0;r=0;while(1){m=b[o>>0]|0;q=g+(r<<3)|0;f[q>>2]=m;f[q+4>>2]=((m|0)<0)<<31>>31;r=r+1|0;m=b[k>>0]|0;if((r|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){s=m;break}else o=o+1|0}}else s=l;o=s<<24>>24;if(s<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(o<<3)|0,0,(e<<24>>24)-o<<3|0)|0;i=1;return i|0}case 2:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=un(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Vn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){k=g+(t<<3)|0;f[k>>2]=h[m>>0];f[k+4>>2]=0;t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){u=k;break}else m=m+1|0}}else u=r;m=u<<24>>24;if(u<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(m<<3)|0,0,(e<<24>>24)-m<<3|0)|0;i=1;return i|0}case 3:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=un(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Vn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){o=d[l>>1]|0;k=g+(q<<3)|0;f[k>>2]=o;f[k+4>>2]=((o|0)<0)<<31>>31;q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){v=o;break}else l=l+2|0}}else v=t;l=v<<24>>24;if(v<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(l<<3)|0,0,(e<<24>>24)-l<<3|0)|0;i=1;return i|0}case 4:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=un(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Vn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){m=g+(k<<3)|0;f[m>>2]=j[r>>1];f[m+4>>2]=0;k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){w=m;break}else r=r+2|0}}else w=q;r=w<<24>>24;if(w<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(r<<3)|0,0,(e<<24>>24)-r<<3|0)|0;i=1;return i|0}case 5:{r=a+24|0;k=b[r>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0){l=f[f[a>>2]>>2]|0;t=a+40|0;m=un(f[t>>2]|0,f[t+4>>2]|0,f[c>>2]|0,0)|0;t=a+48|0;o=Vn(m|0,I|0,f[t>>2]|0,f[t+4>>2]|0)|0;t=l+o|0;o=0;while(1){l=f[t>>2]|0;m=g+(o<<3)|0;f[m>>2]=l;f[m+4>>2]=((l|0)<0)<<31>>31;o=o+1|0;l=b[r>>0]|0;if((o|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){x=l;break}else t=t+4|0}}else x=k;t=x<<24>>24;if(x<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(t<<3)|0,0,(e<<24>>24)-t<<3|0)|0;i=1;return i|0}case 6:{t=a+24|0;o=b[t>>0]|0;if((o<<24>>24>e<<24>>24?e:o)<<24>>24>0){r=f[f[a>>2]>>2]|0;q=a+40|0;l=un(f[q>>2]|0,f[q+4>>2]|0,f[c>>2]|0,0)|0;q=a+48|0;m=Vn(l|0,I|0,f[q>>2]|0,f[q+4>>2]|0)|0;q=r+m|0;m=0;while(1){r=g+(m<<3)|0;f[r>>2]=f[q>>2];f[r+4>>2]=0;m=m+1|0;r=b[t>>0]|0;if((m|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){y=r;break}else q=q+4|0}}else y=o;q=y<<24>>24;if(y<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(q<<3)|0,0,(e<<24>>24)-q<<3|0)|0;i=1;return i|0}case 7:{q=a+24|0;m=b[q>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0){t=f[f[a>>2]>>2]|0;k=a+40|0;r=un(f[k>>2]|0,f[k+4>>2]|0,f[c>>2]|0,0)|0;k=a+48|0;l=Vn(r|0,I|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=t+l|0;l=0;while(1){t=k;r=f[t+4>>2]|0;z=g+(l<<3)|0;f[z>>2]=f[t>>2];f[z+4>>2]=r;l=l+1|0;r=b[q>>0]|0;if((l|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){A=r;break}else k=k+8|0}}else A=m;k=A<<24>>24;if(A<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(k<<3)|0,0,(e<<24>>24)-k<<3|0)|0;i=1;return i|0}case 8:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){q=f[f[a>>2]>>2]|0;o=a+40|0;r=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;z=Vn(r|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=q+z|0;z=0;while(1){q=o;r=f[q+4>>2]|0;t=g+(z<<3)|0;f[t>>2]=f[q>>2];f[t+4>>2]=r;z=z+1|0;r=b[k>>0]|0;if((z|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){B=r;break}else o=o+8|0}}else B=l;o=B<<24>>24;if(B<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(o<<3)|0,0,(e<<24>>24)-o<<3|0)|0;i=1;return i|0}case 9:{o=a+24|0;z=b[o>>0]|0;if((z<<24>>24>e<<24>>24?e:z)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;r=un(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Vn(r|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){C=$(n[m>>2]);k=+K(+C)>=1.0?(+C>0.0?~~+Y(+J(+C/4294967296.0),4294967295.0)>>>0:~~+W((+C-+(~~+C>>>0))/4294967296.0)>>>0):0;r=g+(t<<3)|0;f[r>>2]=~~+C>>>0;f[r+4>>2]=k;t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){D=k;break}else m=m+4|0}}else D=z;m=D<<24>>24;if(D<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(m<<3)|0,0,(e<<24>>24)-m<<3|0)|0;i=1;return i|0}case 10:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=un(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;r=Vn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+r|0;r=0;while(1){E=+p[l>>3];o=+K(E)>=1.0?(E>0.0?~~+Y(+J(E/4294967296.0),4294967295.0)>>>0:~~+W((E-+(~~E>>>0))/4294967296.0)>>>0):0;k=g+(r<<3)|0;f[k>>2]=~~E>>>0;f[k+4>>2]=o;r=r+1|0;o=b[m>>0]|0;if((r|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){F=o;break}else l=l+8|0}}else F=t;l=F<<24>>24;if(F<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(l<<3)|0,0,(e<<24>>24)-l<<3|0)|0;i=1;return i|0}case 11:{l=a+24|0;r=b[l>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){m=f[f[a>>2]>>2]|0;z=a+40|0;o=un(f[z>>2]|0,f[z+4>>2]|0,f[c>>2]|0,0)|0;z=a+48|0;k=Vn(o|0,I|0,f[z>>2]|0,f[z+4>>2]|0)|0;z=m+k|0;k=0;while(1){m=g+(k<<3)|0;f[m>>2]=h[z>>0];f[m+4>>2]=0;k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){G=m;break}else z=z+1|0}}else G=r;z=G<<24>>24;if(G<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(z<<3)|0,0,(e<<24>>24)-z<<3|0)|0;i=1;return i|0}default:{i=0;return i|0}}while(0);return 0}function wb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0;c=u;u=u+16|0;d=c+8|0;e=c;if((f[a+96>>2]|0)==(f[a+92>>2]|0)){u=c;return}g=a+56|0;h=f[g>>2]|0;if((h|0)==(f[a+60>>2]|0)){Ri(a+52|0,b);i=b}else{f[h>>2]=f[b>>2];f[g>>2]=h+4;i=b}b=a+88|0;f[b>>2]=0;h=f[a>>2]|0;g=f[i>>2]|0;j=g+1|0;if((g|0)!=-1){k=((j>>>0)%3|0|0)==0?g+-2|0:j;if((k|0)==-1)l=-1;else l=f[(f[h>>2]|0)+(k<<2)>>2]|0;k=(((g>>>0)%3|0|0)==0?2:-1)+g|0;if((k|0)==-1){m=l;n=-1}else{m=l;n=f[(f[h>>2]|0)+(k<<2)>>2]|0}}else{m=-1;n=-1}k=a+24|0;h=f[k>>2]|0;l=h+(m>>>5<<2)|0;g=1<<(m&31);j=f[l>>2]|0;if(!(j&g)){f[l>>2]=j|g;g=f[i>>2]|0;j=g+1|0;if((g|0)==-1)o=-1;else o=((j>>>0)%3|0|0)==0?g+-2|0:j;f[e>>2]=o;j=f[(f[(f[a+44>>2]|0)+96>>2]|0)+(((o>>>0)/3|0)*12|0)+(((o>>>0)%3|0)<<2)>>2]|0;o=f[a+48>>2]|0;f[d>>2]=j;g=f[o+4>>2]|0;o=g+4|0;l=f[o>>2]|0;if((l|0)==(f[g+8>>2]|0))Ri(g,d);else{f[l>>2]=j;f[o>>2]=l+4}l=a+40|0;o=f[l>>2]|0;j=o+4|0;g=f[j>>2]|0;if((g|0)==(f[o+8>>2]|0)){Ri(o,e);p=f[l>>2]|0}else{f[g>>2]=f[e>>2];f[j>>2]=g+4;p=o}o=p+24|0;f[(f[p+12>>2]|0)+(m<<2)>>2]=f[o>>2];f[o>>2]=(f[o>>2]|0)+1;q=f[k>>2]|0}else q=h;h=q+(n>>>5<<2)|0;q=1<<(n&31);o=f[h>>2]|0;if(!(o&q)){f[h>>2]=o|q;q=f[i>>2]|0;do if((q|0)!=-1)if(!((q>>>0)%3|0)){r=q+2|0;break}else{r=q+-1|0;break}else r=-1;while(0);f[e>>2]=r;q=f[(f[(f[a+44>>2]|0)+96>>2]|0)+(((r>>>0)/3|0)*12|0)+(((r>>>0)%3|0)<<2)>>2]|0;r=f[a+48>>2]|0;f[d>>2]=q;o=f[r+4>>2]|0;r=o+4|0;h=f[r>>2]|0;if((h|0)==(f[o+8>>2]|0))Ri(o,d);else{f[h>>2]=q;f[r>>2]=h+4}h=a+40|0;r=f[h>>2]|0;q=r+4|0;o=f[q>>2]|0;if((o|0)==(f[r+8>>2]|0)){Ri(r,e);s=f[h>>2]|0}else{f[o>>2]=f[e>>2];f[q>>2]=o+4;s=r}r=s+24|0;f[(f[s+12>>2]|0)+(n<<2)>>2]=f[r>>2];f[r>>2]=(f[r>>2]|0)+1}r=f[i>>2]|0;if((r|0)==-1)t=-1;else t=f[(f[f[a>>2]>>2]|0)+(r<<2)>>2]|0;r=(f[k>>2]|0)+(t>>>5<<2)|0;n=1<<(t&31);s=f[r>>2]|0;if(!(n&s)){f[r>>2]=s|n;n=f[i>>2]|0;f[e>>2]=n;s=f[(f[(f[a+44>>2]|0)+96>>2]|0)+(((n>>>0)/3|0)*12|0)+(((n>>>0)%3|0)<<2)>>2]|0;n=f[a+48>>2]|0;f[d>>2]=s;r=f[n+4>>2]|0;n=r+4|0;o=f[n>>2]|0;if((o|0)==(f[r+8>>2]|0))Ri(r,d);else{f[o>>2]=s;f[n>>2]=o+4}o=a+40|0;n=f[o>>2]|0;s=n+4|0;r=f[s>>2]|0;if((r|0)==(f[n+8>>2]|0)){Ri(n,e);v=f[o>>2]|0}else{f[r>>2]=f[e>>2];f[s>>2]=r+4;v=n}n=v+24|0;f[(f[v+12>>2]|0)+(t<<2)>>2]=f[n>>2];f[n>>2]=(f[n>>2]|0)+1}n=f[b>>2]|0;a:do if((n|0)<3){t=a+12|0;v=a+44|0;r=a+48|0;s=a+40|0;o=a+92|0;q=n;while(1){h=q;while(1){w=a+52+(h*12|0)+4|0;x=f[w>>2]|0;if((f[a+52+(h*12|0)>>2]|0)!=(x|0))break;if((h|0)<2)h=h+1|0;else break a}m=x+-4|0;p=f[m>>2]|0;f[w>>2]=m;f[b>>2]=h;f[i>>2]=p;if((p|0)==-1)break;m=(p>>>0)/3|0;g=f[t>>2]|0;do if(!(f[g+(m>>>5<<2)>>2]&1<<(m&31))){j=p;l=g;b:while(1){y=(j>>>0)/3|0;z=l+(y>>>5<<2)|0;f[z>>2]=1<<(y&31)|f[z>>2];z=f[i>>2]|0;if((z|0)==-1)A=-1;else A=f[(f[f[a>>2]>>2]|0)+(z<<2)>>2]|0;y=(f[k>>2]|0)+(A>>>5<<2)|0;B=1<<(A&31);C=f[y>>2]|0;if(!(B&C)){f[y>>2]=C|B;B=f[i>>2]|0;f[e>>2]=B;C=f[(f[(f[v>>2]|0)+96>>2]|0)+(((B>>>0)/3|0)*12|0)+(((B>>>0)%3|0)<<2)>>2]|0;B=f[r>>2]|0;f[d>>2]=C;y=f[B+4>>2]|0;B=y+4|0;D=f[B>>2]|0;if((D|0)==(f[y+8>>2]|0))Ri(y,d);else{f[D>>2]=C;f[B>>2]=D+4}D=f[s>>2]|0;B=D+4|0;C=f[B>>2]|0;if((C|0)==(f[D+8>>2]|0)){Ri(D,e);E=f[s>>2]|0}else{f[C>>2]=f[e>>2];f[B>>2]=C+4;E=D}D=E+24|0;f[(f[E+12>>2]|0)+(A<<2)>>2]=f[D>>2];f[D>>2]=(f[D>>2]|0)+1;F=f[i>>2]|0}else F=z;z=f[a>>2]|0;if((F|0)==-1){G=93;break}D=F+1|0;C=((D>>>0)%3|0|0)==0?F+-2|0:D;if((C|0)==-1)H=-1;else H=f[(f[z+12>>2]|0)+(C<<2)>>2]|0;C=(((F>>>0)%3|0|0)==0?2:-1)+F|0;if((C|0)==-1)I=-1;else I=f[(f[z+12>>2]|0)+(C<<2)>>2]|0;C=(H|0)==-1;D=C?-1:(H>>>0)/3|0;B=(I|0)==-1;y=B?-1:(I>>>0)/3|0;if(C)J=1;else J=(f[(f[t>>2]|0)+(D>>>5<<2)>>2]&1<<(D&31)|0)!=0;do if(B)if(J){G=93;break b}else G=82;else{if(f[(f[t>>2]|0)+(y>>>5<<2)>>2]&1<<(y&31)|0)if(J){G=93;break b}else{G=82;break}D=f[(f[z>>2]|0)+(I<<2)>>2]|0;if(!(1<<(D&31)&f[(f[k>>2]|0)+(D>>>5<<2)>>2])){K=(f[o>>2]|0)+(D<<2)|0;D=f[K>>2]|0;f[K>>2]=D+1;L=(D|0)>0?1:2}else L=0;if(J?(L|0)<=(f[b>>2]|0):0){M=I;break}f[d>>2]=I;D=a+52+(L*12|0)+4|0;K=f[D>>2]|0;if((K|0)==(f[a+52+(L*12|0)+8>>2]|0))Ri(a+52+(L*12|0)|0,d);else{f[K>>2]=I;f[D>>2]=K+4}if((f[b>>2]|0)>(L|0))f[b>>2]=L;if(J){G=93;break b}else G=82}while(0);if((G|0)==82){G=0;if(C)N=-1;else N=f[(f[f[a>>2]>>2]|0)+(H<<2)>>2]|0;if(!(1<<(N&31)&f[(f[k>>2]|0)+(N>>>5<<2)>>2])){z=(f[o>>2]|0)+(N<<2)|0;y=f[z>>2]|0;f[z>>2]=y+1;O=(y|0)>0?1:2}else O=0;if((O|0)>(f[b>>2]|0))break;else M=H}f[i>>2]=M;j=M;l=f[t>>2]|0}if((G|0)==93){G=0;P=f[b>>2]|0;break}f[d>>2]=H;l=a+52+(O*12|0)+4|0;j=f[l>>2]|0;if((j|0)==(f[a+52+(O*12|0)+8>>2]|0))Ri(a+52+(O*12|0)|0,d);else{f[j>>2]=H;f[l>>2]=j+4}j=f[b>>2]|0;if((j|0)>(O|0)){f[b>>2]=O;Q=O}else Q=j;P=Q}else P=h;while(0);if((P|0)<3)q=P;else break a}u=c;return}while(0);f[i>>2]=-1;u=c;return}function xb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}xb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;xb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function yb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}yb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;yb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function zb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}zb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;zb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Ab(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Ab(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Ab(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}} +function Bb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Bb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Bb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Cb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Cb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Cb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Db(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Db(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Db(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Eb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Eb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Eb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Fb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Fb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Fb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Gb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Gb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Gb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Hb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Hb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Hb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Ib(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Ib(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Ib(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Jb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Jb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Jb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Kb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Kb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Kb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Lb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Lb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Lb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Mb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Mb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Mb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Nb(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Nb(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Nb(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Ob(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0;d=a;a=b;a:while(1){b=a;e=a+-4|0;g=d;while(1){h=g;b:while(1){i=h;j=b-i|0;k=j>>2;switch(k|0){case 2:{l=5;break a;break}case 3:{l=11;break a;break}case 4:{l=12;break a;break}case 5:{l=13;break a;break}case 1:case 0:{l=84;break a;break}default:{}}if((j|0)<124){l=15;break a}m=h+(((k|0)/2|0)<<2)|0;if((j|0)>3996){j=(k|0)/4|0;n=ig(h,h+(j<<2)|0,m,m+(j<<2)|0,e,c)|0}else n=Vg(h,m,e,c)|0;o=f[h>>2]|0;j=f[m>>2]|0;p=f[c>>2]|0;k=f[p>>2]|0;q=(f[p+4>>2]|0)-k>>3;if(q>>>0<=o>>>0){l=20;break a}r=k;if(q>>>0<=j>>>0){l=22;break a}k=f[r+(o<<3)>>2]|0;s=f[r+(j<<3)>>2]|0;if(k>>>0>>0){t=e;u=n;break}else v=e;while(1){v=v+-4|0;if((h|0)==(v|0))break;w=f[v>>2]|0;if(q>>>0<=w>>>0){l=51;break a}if((f[r+(w<<3)>>2]|0)>>>0>>0){l=53;break b}}s=h+4|0;j=f[e>>2]|0;if(q>>>0<=j>>>0){l=26;break a}if(k>>>0<(f[r+(j<<3)>>2]|0)>>>0)x=s;else{if((s|0)==(e|0)){l=84;break a}else y=s;while(1){z=f[y>>2]|0;if(q>>>0<=z>>>0){l=32;break a}if(k>>>0<(f[r+(z<<3)>>2]|0)>>>0)break;s=y+4|0;if((s|0)==(e|0)){l=84;break a}else y=s}f[y>>2]=j;f[e>>2]=z;x=y+4|0}if((x|0)==(e|0)){l=84;break a}r=f[h>>2]|0;A=f[c>>2]|0;k=f[A>>2]|0;q=(f[A+4>>2]|0)-k>>3;if(q>>>0<=r>>>0){l=38;break a}s=k;k=e;B=x;C=r;while(1){r=s+(C<<3)|0;D=q>>>0>C>>>0;E=B;while(1){F=f[E>>2]|0;if(q>>>0<=F>>>0){l=40;break a}G=f[r>>2]|0;if(G>>>0<(f[s+(F<<3)>>2]|0)>>>0)break;if(D)E=E+4|0;else{l=38;break a}}if(q>>>0>C>>>0)H=k;else{l=46;break a}do{H=H+-4|0;I=f[H>>2]|0;if(q>>>0<=I>>>0){l=47;break a}}while(G>>>0<(f[s+(I<<3)>>2]|0)>>>0);if(E>>>0>=H>>>0){h=E;continue b}D=f[E>>2]|0;f[E>>2]=I;f[H>>2]=D;C=f[h>>2]|0;if(q>>>0<=C>>>0){l=38;break a}else{k=H;B=E+4|0}}}if((l|0)==53){l=0;f[h>>2]=w;f[v>>2]=o;t=v;u=n+1|0}B=h+4|0;c:do if(B>>>0>>0){k=f[B>>2]|0;C=f[c>>2]|0;q=f[C>>2]|0;s=(f[C+4>>2]|0)-q>>3;if(s>>>0>k>>>0){J=t;K=B;L=u;M=m;N=s;O=q;P=C;Q=k}else{R=C;l=57;break a}while(1){C=f[c>>2]|0;k=C+4|0;q=f[M>>2]|0;s=K;j=O;D=N;S=P;r=Q;while(1){F=j;if(D>>>0<=q>>>0){l=59;break a}if((f[F+(r<<3)>>2]|0)>>>0>=(f[F+(q<<3)>>2]|0)>>>0)break;F=s+4|0;T=f[F>>2]|0;j=f[C>>2]|0;D=(f[k>>2]|0)-j>>3;if(D>>>0<=T>>>0){R=C;l=57;break a}else{s=F;S=C;r=T}}C=f[M>>2]|0;O=f[S>>2]|0;N=(f[S+4>>2]|0)-O>>3;D=O;j=D+(C<<3)|0;if(N>>>0>C>>>0)U=J;else{l=65;break a}do{U=U+-4|0;V=f[U>>2]|0;if(N>>>0<=V>>>0){l=66;break a}}while((f[D+(V<<3)>>2]|0)>>>0>=(f[j>>2]|0)>>>0);if(s>>>0>U>>>0){W=M;X=L;Y=s;break c}f[s>>2]=V;f[U>>2]=r;K=s+4|0;Q=f[K>>2]|0;if(N>>>0<=Q>>>0){R=S;l=57;break a}else{J=U;L=L+1|0;M=(M|0)==(s|0)?U:M;P=S}}}else{W=m;X=u;Y=B}while(0);if((Y|0)!=(W|0)){B=f[W>>2]|0;j=f[Y>>2]|0;Z=f[c>>2]|0;D=f[Z>>2]|0;C=(f[Z+4>>2]|0)-D>>3;if(C>>>0<=B>>>0){l=72;break a}k=D;if(C>>>0<=j>>>0){l=74;break a}if((f[k+(B<<3)>>2]|0)>>>0<(f[k+(j<<3)>>2]|0)>>>0){f[Y>>2]=B;f[W>>2]=j;_=X+1|0}else _=X}else _=X;if(!_){$=_d(h,Y,c)|0;j=Y+4|0;if(_d(j,a,c)|0){l=83;break}if($){g=j;continue}}j=Y;if((j-i|0)>=(b-j|0)){l=82;break}Ob(h,Y,c);g=Y+4|0}if((l|0)==82){l=0;Ob(Y+4|0,a,c);d=h;a=Y;continue}else if((l|0)==83){l=0;if($){l=84;break}else{d=h;a=Y;continue}}}switch(l|0){case 5:{l=f[e>>2]|0;Y=f[h>>2]|0;d=f[c>>2]|0;$=f[d>>2]|0;i=(f[d+4>>2]|0)-$>>3;if(i>>>0<=l>>>0)aq(d);_=$;if(i>>>0<=Y>>>0)aq(d);if((f[_+(l<<3)>>2]|0)>>>0>=(f[_+(Y<<3)>>2]|0)>>>0)return;f[h>>2]=l;f[e>>2]=Y;return}case 11:{Vg(h,h+4|0,e,c)|0;return}case 12:{jh(h,h+4|0,h+8|0,e,c)|0;return}case 13:{ig(h,h+4|0,h+8|0,h+12|0,e,c)|0;return}case 15:{ih(h,a,c);return}case 20:{aq(p);break}case 22:{aq(p);break}case 26:{aq(p);break}case 32:{aq(p);break}case 38:{aq(A);break}case 40:{aq(A);break}case 46:{aq(A);break}case 47:{aq(A);break}case 51:{aq(p);break}case 57:{aq(R);break}case 59:{aq(S);break}case 65:{if(N>>>0>(f[J+-4>>2]|0)>>>0)aq(S);else aq(S);break}case 66:{aq(S);break}case 72:{aq(Z);break}case 74:{aq(Z);break}case 84:return}}function Pb(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var i=0,k=0,l=0,m=0,o=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;if(!g){i=0;return i|0}do switch(f[a+28>>2]|0){case 1:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){m=f[f[a>>2]>>2]|0;o=a+40|0;q=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Vn(q|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=m+r|0;r=0;while(1){f[g+(r<<2)>>2]=b[o>>0];r=r+1|0;m=b[k>>0]|0;if((r|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){s=m;break}else o=o+1|0}}else s=l;o=s<<24>>24;if(s<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 2:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=un(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Vn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){f[g+(t<<2)>>2]=h[m>>0];t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){u=k;break}else m=m+1|0}}else u=r;m=u<<24>>24;if(u<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 3:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=un(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Vn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){f[g+(q<<2)>>2]=d[l>>1];q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){v=o;break}else l=l+2|0}}else v=t;l=v<<24>>24;if(v<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(l<<2)|0,0,(e<<24>>24)-l<<2|0)|0;i=1;return i|0}case 4:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=un(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Vn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){f[g+(k<<2)>>2]=j[r>>1];k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){w=m;break}else r=r+2|0}}else w=q;r=w<<24>>24;if(w<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}case 5:{r=a+24|0;k=b[r>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0){l=f[f[a>>2]>>2]|0;t=a+40|0;m=un(f[t>>2]|0,f[t+4>>2]|0,f[c>>2]|0,0)|0;t=a+48|0;o=Vn(m|0,I|0,f[t>>2]|0,f[t+4>>2]|0)|0;t=l+o|0;o=0;while(1){f[g+(o<<2)>>2]=f[t>>2];o=o+1|0;l=b[r>>0]|0;if((o|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){x=l;break}else t=t+4|0}}else x=k;t=x<<24>>24;if(x<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(t<<2)|0,0,(e<<24>>24)-t<<2|0)|0;i=1;return i|0}case 6:{t=a+24|0;o=b[t>>0]|0;if((o<<24>>24>e<<24>>24?e:o)<<24>>24>0){r=f[f[a>>2]>>2]|0;q=a+40|0;l=un(f[q>>2]|0,f[q+4>>2]|0,f[c>>2]|0,0)|0;q=a+48|0;m=Vn(l|0,I|0,f[q>>2]|0,f[q+4>>2]|0)|0;q=r+m|0;m=0;while(1){f[g+(m<<2)>>2]=f[q>>2];m=m+1|0;r=b[t>>0]|0;if((m|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){y=r;break}else q=q+4|0}}else y=o;q=y<<24>>24;if(y<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(q<<2)|0,0,(e<<24>>24)-q<<2|0)|0;i=1;return i|0}case 7:{q=a+24|0;m=b[q>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0){t=f[f[a>>2]>>2]|0;k=a+40|0;r=un(f[k>>2]|0,f[k+4>>2]|0,f[c>>2]|0,0)|0;k=a+48|0;l=Vn(r|0,I|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=t+l|0;l=0;while(1){f[g+(l<<2)>>2]=f[k>>2];l=l+1|0;t=b[q>>0]|0;if((l|0)>=((t<<24>>24>e<<24>>24?e:t)<<24>>24|0)){z=t;break}else k=k+8|0}}else z=m;k=z<<24>>24;if(z<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(k<<2)|0,0,(e<<24>>24)-k<<2|0)|0;i=1;return i|0}case 8:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){q=f[f[a>>2]>>2]|0;o=a+40|0;t=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Vn(t|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=q+r|0;r=0;while(1){f[g+(r<<2)>>2]=f[o>>2];r=r+1|0;q=b[k>>0]|0;if((r|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){A=q;break}else o=o+8|0}}else A=l;o=A<<24>>24;if(A<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 9:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=un(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Vn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){k=~~$(n[m>>2])>>>0;f[g+(t<<2)>>2]=k;t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){B=k;break}else m=m+4|0}}else B=r;m=B<<24>>24;if(B<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 10:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=un(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Vn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){f[g+(q<<2)>>2]=~~+p[l>>3]>>>0;q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){C=o;break}else l=l+8|0}}else C=t;l=C<<24>>24;if(C<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(l<<2)|0,0,(e<<24>>24)-l<<2|0)|0;i=1;return i|0}case 11:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=un(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Vn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){f[g+(k<<2)>>2]=h[r>>0];k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){D=m;break}else r=r+1|0}}else D=q;r=D<<24>>24;if(D<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}default:{i=0;return i|0}}while(0);return 0}function Qb(a,c,e,g){a=a|0;c=c|0;e=e|0;g=g|0;var i=0,k=0,l=0,m=0,o=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0;if(!g){i=0;return i|0}do switch(f[a+28>>2]|0){case 1:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){m=f[f[a>>2]>>2]|0;o=a+40|0;q=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Vn(q|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=m+r|0;r=0;while(1){f[g+(r<<2)>>2]=b[o>>0];r=r+1|0;m=b[k>>0]|0;if((r|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){s=m;break}else o=o+1|0}}else s=l;o=s<<24>>24;if(s<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 2:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=un(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Vn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){f[g+(t<<2)>>2]=h[m>>0];t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){u=k;break}else m=m+1|0}}else u=r;m=u<<24>>24;if(u<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 3:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=un(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Vn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){f[g+(q<<2)>>2]=d[l>>1];q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){v=o;break}else l=l+2|0}}else v=t;l=v<<24>>24;if(v<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(l<<2)|0,0,(e<<24>>24)-l<<2|0)|0;i=1;return i|0}case 4:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=un(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Vn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){f[g+(k<<2)>>2]=j[r>>1];k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){w=m;break}else r=r+2|0}}else w=q;r=w<<24>>24;if(w<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}case 5:{r=a+24|0;k=b[r>>0]|0;if((k<<24>>24>e<<24>>24?e:k)<<24>>24>0){l=f[f[a>>2]>>2]|0;t=a+40|0;m=un(f[t>>2]|0,f[t+4>>2]|0,f[c>>2]|0,0)|0;t=a+48|0;o=Vn(m|0,I|0,f[t>>2]|0,f[t+4>>2]|0)|0;t=l+o|0;o=0;while(1){f[g+(o<<2)>>2]=f[t>>2];o=o+1|0;l=b[r>>0]|0;if((o|0)>=((l<<24>>24>e<<24>>24?e:l)<<24>>24|0)){x=l;break}else t=t+4|0}}else x=k;t=x<<24>>24;if(x<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(t<<2)|0,0,(e<<24>>24)-t<<2|0)|0;i=1;return i|0}case 6:{t=a+24|0;o=b[t>>0]|0;if((o<<24>>24>e<<24>>24?e:o)<<24>>24>0){r=f[f[a>>2]>>2]|0;q=a+40|0;l=un(f[q>>2]|0,f[q+4>>2]|0,f[c>>2]|0,0)|0;q=a+48|0;m=Vn(l|0,I|0,f[q>>2]|0,f[q+4>>2]|0)|0;q=r+m|0;m=0;while(1){f[g+(m<<2)>>2]=f[q>>2];m=m+1|0;r=b[t>>0]|0;if((m|0)>=((r<<24>>24>e<<24>>24?e:r)<<24>>24|0)){y=r;break}else q=q+4|0}}else y=o;q=y<<24>>24;if(y<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(q<<2)|0,0,(e<<24>>24)-q<<2|0)|0;i=1;return i|0}case 7:{q=a+24|0;m=b[q>>0]|0;if((m<<24>>24>e<<24>>24?e:m)<<24>>24>0){t=f[f[a>>2]>>2]|0;k=a+40|0;r=un(f[k>>2]|0,f[k+4>>2]|0,f[c>>2]|0,0)|0;k=a+48|0;l=Vn(r|0,I|0,f[k>>2]|0,f[k+4>>2]|0)|0;k=t+l|0;l=0;while(1){f[g+(l<<2)>>2]=f[k>>2];l=l+1|0;t=b[q>>0]|0;if((l|0)>=((t<<24>>24>e<<24>>24?e:t)<<24>>24|0)){z=t;break}else k=k+8|0}}else z=m;k=z<<24>>24;if(z<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(k<<2)|0,0,(e<<24>>24)-k<<2|0)|0;i=1;return i|0}case 8:{k=a+24|0;l=b[k>>0]|0;if((l<<24>>24>e<<24>>24?e:l)<<24>>24>0){q=f[f[a>>2]>>2]|0;o=a+40|0;t=un(f[o>>2]|0,f[o+4>>2]|0,f[c>>2]|0,0)|0;o=a+48|0;r=Vn(t|0,I|0,f[o>>2]|0,f[o+4>>2]|0)|0;o=q+r|0;r=0;while(1){f[g+(r<<2)>>2]=f[o>>2];r=r+1|0;q=b[k>>0]|0;if((r|0)>=((q<<24>>24>e<<24>>24?e:q)<<24>>24|0)){A=q;break}else o=o+8|0}}else A=l;o=A<<24>>24;if(A<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(o<<2)|0,0,(e<<24>>24)-o<<2|0)|0;i=1;return i|0}case 9:{o=a+24|0;r=b[o>>0]|0;if((r<<24>>24>e<<24>>24?e:r)<<24>>24>0){k=f[f[a>>2]>>2]|0;m=a+40|0;q=un(f[m>>2]|0,f[m+4>>2]|0,f[c>>2]|0,0)|0;m=a+48|0;t=Vn(q|0,I|0,f[m>>2]|0,f[m+4>>2]|0)|0;m=k+t|0;t=0;while(1){k=~~$(n[m>>2]);f[g+(t<<2)>>2]=k;t=t+1|0;k=b[o>>0]|0;if((t|0)>=((k<<24>>24>e<<24>>24?e:k)<<24>>24|0)){B=k;break}else m=m+4|0}}else B=r;m=B<<24>>24;if(B<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(m<<2)|0,0,(e<<24>>24)-m<<2|0)|0;i=1;return i|0}case 10:{m=a+24|0;t=b[m>>0]|0;if((t<<24>>24>e<<24>>24?e:t)<<24>>24>0){o=f[f[a>>2]>>2]|0;l=a+40|0;k=un(f[l>>2]|0,f[l+4>>2]|0,f[c>>2]|0,0)|0;l=a+48|0;q=Vn(k|0,I|0,f[l>>2]|0,f[l+4>>2]|0)|0;l=o+q|0;q=0;while(1){f[g+(q<<2)>>2]=~~+p[l>>3];q=q+1|0;o=b[m>>0]|0;if((q|0)>=((o<<24>>24>e<<24>>24?e:o)<<24>>24|0)){C=o;break}else l=l+8|0}}else C=t;l=C<<24>>24;if(C<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(l<<2)|0,0,(e<<24>>24)-l<<2|0)|0;i=1;return i|0}case 11:{l=a+24|0;q=b[l>>0]|0;if((q<<24>>24>e<<24>>24?e:q)<<24>>24>0){m=f[f[a>>2]>>2]|0;r=a+40|0;o=un(f[r>>2]|0,f[r+4>>2]|0,f[c>>2]|0,0)|0;r=a+48|0;k=Vn(o|0,I|0,f[r>>2]|0,f[r+4>>2]|0)|0;r=m+k|0;k=0;while(1){f[g+(k<<2)>>2]=h[r>>0];k=k+1|0;m=b[l>>0]|0;if((k|0)>=((m<<24>>24>e<<24>>24?e:m)<<24>>24|0)){D=m;break}else r=r+1|0}}else D=q;r=D<<24>>24;if(D<<24>>24>=e<<24>>24){i=1;return i|0}sj(g+(r<<2)|0,0,(e<<24>>24)-r<<2|0)|0;i=1;return i|0}default:{i=0;return i|0}}while(0);return 0}function Rb(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=Oa,J=0,K=0,L=0,M=0,N=Oa;e=u;u=u+48|0;g=e+36|0;h=e+24|0;i=e+12|0;j=e;if(!(xh(a,c,d)|0)){k=0;u=e;return k|0}l=f[(f[(f[c+4>>2]|0)+8>>2]|0)+(d<<2)>>2]|0;if((f[l+28>>2]|0)!=9){k=0;u=e;return k|0}m=c+48|0;c=f[m>>2]|0;o=ln(32)|0;f[g>>2]=o;f[g+8>>2]=-2147483616;f[g+4>>2]=17;p=o;q=14495;r=p+17|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[o+17>>0]=0;o=c+16|0;s=f[o>>2]|0;if(s){t=o;v=s;a:while(1){s=v;while(1){if((f[s+16>>2]|0)>=(d|0))break;w=f[s+4>>2]|0;if(!w){x=t;break a}else s=w}v=f[s>>2]|0;if(!v){x=s;break}else t=s}if(((x|0)!=(o|0)?(f[x+16>>2]|0)<=(d|0):0)?(o=x+20|0,(Jh(o,g)|0)!=0):0)y=Hk(o,g,-1)|0;else z=12}else z=12;if((z|0)==12)y=Hk(c,g,-1)|0;if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);if((y|0)<1){k=0;u=e;return k|0}c=f[m>>2]|0;o=ln(32)|0;f[g>>2]=o;f[g+8>>2]=-2147483616;f[g+4>>2]=19;p=o;q=14438;r=p+19|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[o+19>>0]=0;o=c+16|0;x=f[o>>2]|0;if(x){t=o;v=x;b:while(1){x=v;while(1){if((f[x+16>>2]|0)>=(d|0))break;w=f[x+4>>2]|0;if(!w){A=t;break b}else x=w}v=f[x>>2]|0;if(!v){A=x;break}else t=x}if((A|0)!=(o|0)?(f[A+16>>2]|0)<=(d|0):0)B=A+20|0;else z=24}else z=24;if((z|0)==24)B=c;if(!(Jh(B,g)|0))C=0;else{B=f[m>>2]|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;c=ln(32)|0;f[h>>2]=c;f[h+8>>2]=-2147483616;f[h+4>>2]=18;p=c;q=14458;r=p+18|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[c+18>>0]=0;c=B+16|0;A=f[c>>2]|0;if(A){o=c;t=A;c:while(1){A=t;while(1){if((f[A+16>>2]|0)>=(d|0))break;v=f[A+4>>2]|0;if(!v){D=o;break c}else A=v}t=f[A>>2]|0;if(!t){D=A;break}else o=A}if((D|0)!=(c|0)?(f[D+16>>2]|0)<=(d|0):0)E=D+20|0;else z=34}else z=34;if((z|0)==34)E=B;B=(Jh(E,h)|0)!=0;if((b[h+11>>0]|0)<0)Oq(f[h>>2]|0);C=B}if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);if(!C){Wd(a+40|0,l,y)|0;k=1;u=e;return k|0}C=l+24|0;l=b[C>>0]|0;B=l<<24>>24;f[i>>2]=0;E=i+4|0;f[E>>2]=0;f[i+8>>2]=0;do if(l<<24>>24)if(l<<24>>24<0)aq(i);else{D=B<<2;c=ln(D)|0;f[i>>2]=c;o=c+(B<<2)|0;f[i+8>>2]=o;sj(c|0,0,D|0)|0;f[E>>2]=o;F=c;break}else F=0;while(0);B=f[m>>2]|0;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;l=ln(32)|0;f[j>>2]=l;f[j+8>>2]=-2147483616;f[j+4>>2]=19;p=l;q=14438;r=p+19|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[l+19>>0]=0;l=b[C>>0]|0;c=l<<24>>24;o=B+16|0;D=f[o>>2]|0;if(D){t=o;x=D;d:while(1){D=x;while(1){if((f[D+16>>2]|0)>=(d|0))break;v=f[D+4>>2]|0;if(!v){G=t;break d}else D=v}x=f[D>>2]|0;if(!x){G=D;break}else t=D}if(((G|0)!=(o|0)?(f[G+16>>2]|0)<=(d|0):0)?(o=G+20|0,(Jh(o,j)|0)!=0):0){t=Rg(o,j)|0;if((t|0)!=(G+24|0)){pj(g,t+28|0);t=g+11|0;G=b[t>>0]|0;o=G<<24>>24<0;if(!((o?f[g+4>>2]|0:G&255)|0))H=G;else{if(l<<24>>24>0){x=o?f[g>>2]|0:g;o=0;do{I=$(bq(x,h));A=x;x=f[h>>2]|0;if((A|0)==(x|0))break;n[F+(o<<2)>>2]=I;o=o+1|0}while((o|0)<(c|0));J=b[t>>0]|0}else J=G;H=J}if(H<<24>>24<0)Oq(f[g>>2]|0)}}else z=64}else z=64;if((z|0)==64?(H=Rg(B,j)|0,(H|0)!=(B+4|0)):0){pj(g,H+28|0);H=g+11|0;B=b[H>>0]|0;J=B<<24>>24<0;if(!((J?f[g+4>>2]|0:B&255)|0))K=B;else{if(l<<24>>24>0){l=J?f[g>>2]|0:g;J=0;do{I=$(bq(l,h));G=l;l=f[h>>2]|0;if((G|0)==(l|0))break;n[F+(J<<2)>>2]=I;J=J+1|0}while((J|0)<(c|0));L=b[H>>0]|0}else L=B;K=L}if(K<<24>>24<0)Oq(f[g>>2]|0)}if((b[j+11>>0]|0)<0)Oq(f[j>>2]|0);j=f[m>>2]|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;m=ln(32)|0;f[g>>2]=m;f[g+8>>2]=-2147483616;f[g+4>>2]=18;p=m;q=14458;r=p+18|0;do{b[p>>0]=b[q>>0]|0;p=p+1|0;q=q+1|0}while((p|0)<(r|0));b[m+18>>0]=0;m=j+16|0;q=f[m>>2]|0;if(q){p=m;r=q;e:while(1){q=r;while(1){if((f[q+16>>2]|0)>=(d|0))break;K=f[q+4>>2]|0;if(!K){M=p;break e}else q=K}r=f[q>>2]|0;if(!r){M=q;break}else p=q}if(((M|0)!=(m|0)?(f[M+16>>2]|0)<=(d|0):0)?(d=M+20|0,(Jh(d,g)|0)!=0):0)N=$(sk(d,g,$(1.0)));else z=86}else z=86;if((z|0)==86)N=$(sk(j,g,$(1.0)));if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);Dl(a+40|0,y,f[i>>2]|0,b[C>>0]|0,N);C=f[i>>2]|0;if(C|0){i=f[E>>2]|0;if((i|0)!=(C|0))f[E>>2]=i+(~((i+-4-C|0)>>>2)<<2);Oq(C)}k=1;u=e;return k|0}function Sb(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0;e=u;u=u+64|0;d=e+48|0;h=e+36|0;i=e+24|0;j=e+16|0;k=e+8|0;l=e;m=e+32|0;n=a+60|0;f[a+68>>2]=g;g=a+108|0;tk(g);o=a+56|0;p=f[o>>2]|0;q=(f[p+4>>2]|0)-(f[p>>2]|0)|0;r=q>>2;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;s=i;f[s>>2]=0;f[s+4>>2]=0;s=j;f[s>>2]=0;f[s+4>>2]=0;s=k;f[s>>2]=0;f[s+4>>2]=0;s=l;f[s>>2]=0;f[s+4>>2]=0;if((q|0)<=0){u=e;return 1}q=h+4|0;s=h+8|0;t=a+104|0;v=i+4|0;w=a+100|0;x=j+4|0;y=a+8|0;z=a+16|0;A=a+32|0;B=a+12|0;C=a+28|0;D=a+20|0;E=a+24|0;F=a+96|0;a=k+4|0;G=l+4|0;H=f[p>>2]|0;if((f[p+4>>2]|0)==(H|0)){J=p;aq(J)}else{K=0;L=H}while(1){f[m>>2]=f[L+(K<<2)>>2];f[d>>2]=f[m>>2];ic(n,d,h);H=f[h>>2]|0;p=(H|0)>-1?H:0-H|0;M=f[q>>2]|0;N=(M|0)>-1?M:0-M|0;O=Vn(N|0,((N|0)<0)<<31>>31|0,p|0,((p|0)<0)<<31>>31|0)|0;p=f[s>>2]|0;N=(p|0)>-1;P=N?p:0-p|0;p=Vn(O|0,I|0,P|0,((P|0)<0)<<31>>31|0)|0;P=I;if((p|0)==0&(P|0)==0){O=f[t>>2]|0;Q=O;R=h;S=M;T=O}else{O=f[t>>2]|0;U=((O|0)<0)<<31>>31;V=un(O|0,U|0,H|0,((H|0)<0)<<31>>31|0)|0;H=Ik(V|0,I|0,p|0,P|0)|0;f[h>>2]=H;V=un(O|0,U|0,M|0,((M|0)<0)<<31>>31|0)|0;M=Ik(V|0,I|0,p|0,P|0)|0;f[q>>2]=M;P=O-((H|0)>-1?H:0-H|0)-((M|0)>-1?M:0-M|0)|0;Q=N?P:0-P|0;R=s;S=M;T=O}f[R>>2]=Q;O=f[h>>2]|0;do if((O|0)<=-1){if((S|0)<0){M=f[s>>2]|0;W=(M|0)>-1?M:0-M|0;X=M}else{M=f[s>>2]|0;W=(f[w>>2]|0)-((M|0)>-1?M:0-M|0)|0;X=M}if((X|0)<0){Y=(S|0)>-1?S:0-S|0;Z=W;_=X;break}else{Y=(f[w>>2]|0)-((S|0)>-1?S:0-S|0)|0;Z=W;_=X;break}}else{M=f[s>>2]|0;Y=M+T|0;Z=T+S|0;_=M}while(0);M=(Z|0)==0;P=(Y|0)==0;N=f[w>>2]|0;do if(Y|Z){H=(N|0)==(Y|0);if(!(M&H)){p=(N|0)==(Z|0);if(!(P&p)){if(M&(T|0)<(Y|0)){$=0;aa=(T<<1)-Y|0;break}if(p&(T|0)>(Y|0)){$=Z;aa=(T<<1)-Y|0;break}if(H&(T|0)>(Z|0)){$=(T<<1)-Z|0;aa=Y;break}if(P){$=(T|0)<(Z|0)?(T<<1)-Z|0:Z;aa=0}else{$=Z;aa=Y}}else{$=Z;aa=Z}}else{$=Y;aa=Y}}else{$=N;aa=N}while(0);f[i>>2]=$;f[v>>2]=aa;P=0-S|0;M=0-_|0;f[h>>2]=0-O;f[q>>2]=P;f[s>>2]=M;if((O|0)<1){ba=T-_|0;ca=T-S|0}else{H=(_|0)<1?M:_;M=(S|0)<1?P:S;ba=(_|0)>0?M:N-M|0;ca=(S|0)>0?H:N-H|0}H=(ca|0)==0;M=(ba|0)==0;do if(((ba|ca|0)!=0?(P=(N|0)==(ba|0),!(H&P)):0)?(p=(N|0)==(ca|0),!(M&p)):0){if(H&(T|0)<(ba|0)){da=0;ea=(T<<1)-ba|0;break}if(p&(T|0)>(ba|0)){da=N;ea=(T<<1)-ba|0;break}if(P&(T|0)>(ca|0)){da=(T<<1)-ca|0;ea=N;break}if(M){da=(T|0)<(ca|0)?(T<<1)-ca|0:ca;ea=0}else{da=ca;ea=ba}}else{da=N;ea=N}while(0);f[j>>2]=da;f[x>>2]=ea;N=K<<1;M=b+(N<<2)|0;H=f[y>>2]|0;if((H|0)>0){O=0;P=i;p=H;while(1){if((p|0)>0){H=0;do{V=f[P+(H<<2)>>2]|0;U=f[z>>2]|0;if((V|0)>(U|0)){fa=f[A>>2]|0;f[fa+(H<<2)>>2]=U;ga=fa}else{fa=f[B>>2]|0;U=f[A>>2]|0;f[U+(H<<2)>>2]=(V|0)<(fa|0)?fa:V;ga=U}H=H+1|0;U=f[y>>2]|0}while((H|0)<(U|0));ha=ga;ia=U}else{ha=f[A>>2]|0;ia=p}H=(f[M+(O<<2)>>2]|0)-(f[ha+(O<<2)>>2]|0)|0;U=k+(O<<2)|0;f[U>>2]=H;ja=f[C>>2]|0;if((H|0)>=(ja|0)){if((H|0)>(f[E>>2]|0)){ka=H-(f[D>>2]|0)|0;la=52}}else{ka=(f[D>>2]|0)+H|0;la=52}if((la|0)==52){la=0;f[U>>2]=ka}O=O+1|0;if((O|0)>=(ia|0))break;else{P=ha;p=ia}}if((ia|0)>0){p=0;P=j;O=ia;U=ja;while(1){if((O|0)>0){H=0;do{V=f[P+(H<<2)>>2]|0;fa=f[z>>2]|0;if((V|0)>(fa|0))f[ha+(H<<2)>>2]=fa;else{fa=f[B>>2]|0;f[ha+(H<<2)>>2]=(V|0)<(fa|0)?fa:V}H=H+1|0;ma=f[y>>2]|0}while((H|0)<(ma|0));na=f[C>>2]|0;oa=ma}else{na=U;oa=O}H=(f[M+(p<<2)>>2]|0)-(f[ha+(p<<2)>>2]|0)|0;V=l+(p<<2)|0;f[V>>2]=H;if((H|0)>=(na|0)){if((H|0)>(f[E>>2]|0)){pa=H-(f[D>>2]|0)|0;la=65}}else{pa=(f[D>>2]|0)+H|0;la=65}if((la|0)==65){la=0;f[V>>2]=pa}p=p+1|0;if((p|0)>=(oa|0))break;else{P=ha;O=oa;U=na}}}}U=f[k>>2]|0;O=f[t>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))qa=(f[F>>2]|0)+U|0;else qa=U;else qa=U-(f[F>>2]|0)|0;f[k>>2]=qa;U=f[a>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))ra=(f[F>>2]|0)+U|0;else ra=U;else ra=U-(f[F>>2]|0)|0;f[a>>2]=ra;U=f[l>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))sa=(f[F>>2]|0)+U|0;else sa=U;else sa=U-(f[F>>2]|0)|0;f[l>>2]=sa;U=f[G>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))ta=(f[F>>2]|0)+U|0;else ta=U;else ta=U-(f[F>>2]|0)|0;f[G>>2]=ta;if((((ra|0)>-1?ra:0-ra|0)+((qa|0)>-1?qa:0-qa|0)|0)<(((sa|0)>-1?sa:0-sa|0)+((ta|0)>-1?ta:0-ta|0)|0)){fj(g,0);ua=k}else{fj(g,1);ua=l}U=f[ua>>2]|0;if((U|0)<0)va=(f[F>>2]|0)+U|0;else va=U;U=c+(N<<2)|0;f[U>>2]=va;O=f[ua+4>>2]|0;if((O|0)<0)wa=(f[F>>2]|0)+O|0;else wa=O;f[U+4>>2]=wa;K=K+1|0;if((K|0)>=(r|0)){la=3;break}U=f[o>>2]|0;L=f[U>>2]|0;if((f[U+4>>2]|0)-L>>2>>>0<=K>>>0){J=U;la=4;break}}if((la|0)==3){u=e;return 1}else if((la|0)==4)aq(J);return 0}function Tb(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0;e=u;u=u+64|0;d=e+48|0;h=e+36|0;i=e+24|0;j=e+16|0;k=e+8|0;l=e;m=e+32|0;n=a+60|0;f[a+68>>2]=g;g=a+108|0;tk(g);o=a+56|0;p=f[o>>2]|0;q=(f[p+4>>2]|0)-(f[p>>2]|0)|0;r=q>>2;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;s=i;f[s>>2]=0;f[s+4>>2]=0;s=j;f[s>>2]=0;f[s+4>>2]=0;s=k;f[s>>2]=0;f[s+4>>2]=0;s=l;f[s>>2]=0;f[s+4>>2]=0;if((q|0)<=0){u=e;return 1}q=h+4|0;s=h+8|0;t=a+104|0;v=i+4|0;w=a+100|0;x=j+4|0;y=a+8|0;z=a+16|0;A=a+32|0;B=a+12|0;C=a+28|0;D=a+20|0;E=a+24|0;F=a+96|0;a=k+4|0;G=l+4|0;H=f[p>>2]|0;if((f[p+4>>2]|0)==(H|0)){J=p;aq(J)}else{K=0;L=H}while(1){f[m>>2]=f[L+(K<<2)>>2];f[d>>2]=f[m>>2];$b(n,d,h);H=f[h>>2]|0;p=(H|0)>-1?H:0-H|0;M=f[q>>2]|0;N=(M|0)>-1?M:0-M|0;O=Vn(N|0,((N|0)<0)<<31>>31|0,p|0,((p|0)<0)<<31>>31|0)|0;p=f[s>>2]|0;N=(p|0)>-1;P=N?p:0-p|0;p=Vn(O|0,I|0,P|0,((P|0)<0)<<31>>31|0)|0;P=I;if((p|0)==0&(P|0)==0){O=f[t>>2]|0;Q=O;R=h;S=M;T=O}else{O=f[t>>2]|0;U=((O|0)<0)<<31>>31;V=un(O|0,U|0,H|0,((H|0)<0)<<31>>31|0)|0;H=Ik(V|0,I|0,p|0,P|0)|0;f[h>>2]=H;V=un(O|0,U|0,M|0,((M|0)<0)<<31>>31|0)|0;M=Ik(V|0,I|0,p|0,P|0)|0;f[q>>2]=M;P=O-((H|0)>-1?H:0-H|0)-((M|0)>-1?M:0-M|0)|0;Q=N?P:0-P|0;R=s;S=M;T=O}f[R>>2]=Q;O=f[h>>2]|0;do if((O|0)<=-1){if((S|0)<0){M=f[s>>2]|0;W=(M|0)>-1?M:0-M|0;X=M}else{M=f[s>>2]|0;W=(f[w>>2]|0)-((M|0)>-1?M:0-M|0)|0;X=M}if((X|0)<0){Y=(S|0)>-1?S:0-S|0;Z=W;_=X;break}else{Y=(f[w>>2]|0)-((S|0)>-1?S:0-S|0)|0;Z=W;_=X;break}}else{M=f[s>>2]|0;Y=M+T|0;Z=T+S|0;_=M}while(0);M=(Z|0)==0;P=(Y|0)==0;N=f[w>>2]|0;do if(Y|Z){H=(N|0)==(Y|0);if(!(M&H)){p=(N|0)==(Z|0);if(!(P&p)){if(M&(T|0)<(Y|0)){$=0;aa=(T<<1)-Y|0;break}if(p&(T|0)>(Y|0)){$=Z;aa=(T<<1)-Y|0;break}if(H&(T|0)>(Z|0)){$=(T<<1)-Z|0;aa=Y;break}if(P){$=(T|0)<(Z|0)?(T<<1)-Z|0:Z;aa=0}else{$=Z;aa=Y}}else{$=Z;aa=Z}}else{$=Y;aa=Y}}else{$=N;aa=N}while(0);f[i>>2]=$;f[v>>2]=aa;P=0-S|0;M=0-_|0;f[h>>2]=0-O;f[q>>2]=P;f[s>>2]=M;if((O|0)<1){ba=T-_|0;ca=T-S|0}else{H=(_|0)<1?M:_;M=(S|0)<1?P:S;ba=(_|0)>0?M:N-M|0;ca=(S|0)>0?H:N-H|0}H=(ca|0)==0;M=(ba|0)==0;do if(((ba|ca|0)!=0?(P=(N|0)==(ba|0),!(H&P)):0)?(p=(N|0)==(ca|0),!(M&p)):0){if(H&(T|0)<(ba|0)){da=0;ea=(T<<1)-ba|0;break}if(p&(T|0)>(ba|0)){da=N;ea=(T<<1)-ba|0;break}if(P&(T|0)>(ca|0)){da=(T<<1)-ca|0;ea=N;break}if(M){da=(T|0)<(ca|0)?(T<<1)-ca|0:ca;ea=0}else{da=ca;ea=ba}}else{da=N;ea=N}while(0);f[j>>2]=da;f[x>>2]=ea;N=K<<1;M=b+(N<<2)|0;H=f[y>>2]|0;if((H|0)>0){O=0;P=i;p=H;while(1){if((p|0)>0){H=0;do{V=f[P+(H<<2)>>2]|0;U=f[z>>2]|0;if((V|0)>(U|0)){fa=f[A>>2]|0;f[fa+(H<<2)>>2]=U;ga=fa}else{fa=f[B>>2]|0;U=f[A>>2]|0;f[U+(H<<2)>>2]=(V|0)<(fa|0)?fa:V;ga=U}H=H+1|0;U=f[y>>2]|0}while((H|0)<(U|0));ha=ga;ia=U}else{ha=f[A>>2]|0;ia=p}H=(f[M+(O<<2)>>2]|0)-(f[ha+(O<<2)>>2]|0)|0;U=k+(O<<2)|0;f[U>>2]=H;ja=f[C>>2]|0;if((H|0)>=(ja|0)){if((H|0)>(f[E>>2]|0)){ka=H-(f[D>>2]|0)|0;la=52}}else{ka=(f[D>>2]|0)+H|0;la=52}if((la|0)==52){la=0;f[U>>2]=ka}O=O+1|0;if((O|0)>=(ia|0))break;else{P=ha;p=ia}}if((ia|0)>0){p=0;P=j;O=ia;U=ja;while(1){if((O|0)>0){H=0;do{V=f[P+(H<<2)>>2]|0;fa=f[z>>2]|0;if((V|0)>(fa|0))f[ha+(H<<2)>>2]=fa;else{fa=f[B>>2]|0;f[ha+(H<<2)>>2]=(V|0)<(fa|0)?fa:V}H=H+1|0;ma=f[y>>2]|0}while((H|0)<(ma|0));na=f[C>>2]|0;oa=ma}else{na=U;oa=O}H=(f[M+(p<<2)>>2]|0)-(f[ha+(p<<2)>>2]|0)|0;V=l+(p<<2)|0;f[V>>2]=H;if((H|0)>=(na|0)){if((H|0)>(f[E>>2]|0)){pa=H-(f[D>>2]|0)|0;la=65}}else{pa=(f[D>>2]|0)+H|0;la=65}if((la|0)==65){la=0;f[V>>2]=pa}p=p+1|0;if((p|0)>=(oa|0))break;else{P=ha;O=oa;U=na}}}}U=f[k>>2]|0;O=f[t>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))qa=(f[F>>2]|0)+U|0;else qa=U;else qa=U-(f[F>>2]|0)|0;f[k>>2]=qa;U=f[a>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))ra=(f[F>>2]|0)+U|0;else ra=U;else ra=U-(f[F>>2]|0)|0;f[a>>2]=ra;U=f[l>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))sa=(f[F>>2]|0)+U|0;else sa=U;else sa=U-(f[F>>2]|0)|0;f[l>>2]=sa;U=f[G>>2]|0;if((O|0)>=(U|0))if((U|0)<(0-O|0))ta=(f[F>>2]|0)+U|0;else ta=U;else ta=U-(f[F>>2]|0)|0;f[G>>2]=ta;if((((ra|0)>-1?ra:0-ra|0)+((qa|0)>-1?qa:0-qa|0)|0)<(((sa|0)>-1?sa:0-sa|0)+((ta|0)>-1?ta:0-ta|0)|0)){fj(g,0);ua=k}else{fj(g,1);ua=l}U=f[ua>>2]|0;if((U|0)<0)va=(f[F>>2]|0)+U|0;else va=U;U=c+(N<<2)|0;f[U>>2]=va;O=f[ua+4>>2]|0;if((O|0)<0)wa=(f[F>>2]|0)+O|0;else wa=O;f[U+4>>2]=wa;K=K+1|0;if((K|0)>=(r|0)){la=3;break}U=f[o>>2]|0;L=f[U>>2]|0;if((f[U+4>>2]|0)-L>>2>>>0<=K>>>0){J=U;la=4;break}}if((la|0)==3){u=e;return 1}else if((la|0)==4)aq(J);return 0}function Ub(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=Oa,V=Oa,Y=Oa,Z=0,_=0,aa=0,ba=0;d=u;u=u+16|0;e=d;g=a+16|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;n[g>>2]=$(1.0);i=a+20|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[a+36>>2]=$(1.0);j=f[c+8>>2]|0;a:do if(j|0){k=a+4|0;l=a+12|0;m=a+8|0;o=j;p=j;while(1){q=o+8|0;r=b[q+11>>0]|0;s=r<<24>>24<0;t=s?f[q>>2]|0:q;v=s?f[o+12>>2]|0:r&255;if(v>>>0>3){r=t;s=v;w=v;while(1){x=X(h[r>>0]|h[r+1>>0]<<8|h[r+2>>0]<<16|h[r+3>>0]<<24,1540483477)|0;s=(X(x>>>24^x,1540483477)|0)^(X(s,1540483477)|0);w=w+-4|0;if(w>>>0<=3)break;else r=r+4|0}r=v+-4|0;w=r&-4;y=r-w|0;z=t+(w+4)|0;A=s}else{y=v;z=t;A=v}switch(y|0){case 3:{B=h[z+2>>0]<<16^A;C=8;break}case 2:{B=A;C=8;break}case 1:{D=A;C=9;break}default:E=A}if((C|0)==8){C=0;D=h[z+1>>0]<<8^B;C=9}if((C|0)==9){C=0;E=X(D^h[z>>0],1540483477)|0}w=X(E>>>13^E,1540483477)|0;r=w>>>15^w;w=f[k>>2]|0;x=(w|0)==0;b:do if(!x){F=w+-1|0;G=(F&w|0)==0;if(!G)if(r>>>0>>0)H=r;else H=(r>>>0)%(w>>>0)|0;else H=r&F;I=f[(f[a>>2]|0)+(H<<2)>>2]|0;if((I|0)!=0?(J=f[I>>2]|0,(J|0)!=0):0){I=(v|0)==0;if(G){if(I){G=J;while(1){K=f[G+4>>2]|0;if(!((K|0)==(r|0)|(K&F|0)==(H|0))){L=H;C=50;break b}K=b[G+8+11>>0]|0;if(!((K<<24>>24<0?f[G+12>>2]|0:K&255)|0))break b;G=f[G>>2]|0;if(!G){L=H;C=50;break b}}}else M=J;while(1){G=f[M+4>>2]|0;if(!((G|0)==(r|0)|(G&F|0)==(H|0))){L=H;C=50;break b}G=M+8|0;K=b[G+11>>0]|0;N=K<<24>>24<0;O=K&255;do if(((N?f[M+12>>2]|0:O)|0)==(v|0)){K=f[G>>2]|0;if(N)if(!(Vk(K,t,v)|0))break b;else break;if((b[t>>0]|0)==(K&255)<<24>>24){K=G;P=O;Q=t;do{P=P+-1|0;K=K+1|0;if(!P)break b;Q=Q+1|0}while((b[K>>0]|0)==(b[Q>>0]|0))}}while(0);M=f[M>>2]|0;if(!M){L=H;C=50;break b}}}if(I){F=J;while(1){O=f[F+4>>2]|0;if((O|0)!=(r|0)){if(O>>>0>>0)R=O;else R=(O>>>0)%(w>>>0)|0;if((R|0)!=(H|0)){L=H;C=50;break b}}O=b[F+8+11>>0]|0;if(!((O<<24>>24<0?f[F+12>>2]|0:O&255)|0))break b;F=f[F>>2]|0;if(!F){L=H;C=50;break b}}}else S=J;while(1){F=f[S+4>>2]|0;if((F|0)!=(r|0)){if(F>>>0>>0)T=F;else T=(F>>>0)%(w>>>0)|0;if((T|0)!=(H|0)){L=H;C=50;break b}}F=S+8|0;I=b[F+11>>0]|0;O=I<<24>>24<0;G=I&255;do if(((O?f[S+12>>2]|0:G)|0)==(v|0)){I=f[F>>2]|0;if(O)if(!(Vk(I,t,v)|0))break b;else break;if((b[t>>0]|0)==(I&255)<<24>>24){I=F;N=G;Q=t;do{N=N+-1|0;I=I+1|0;if(!N)break b;Q=Q+1|0}while((b[I>>0]|0)==(b[Q>>0]|0))}}while(0);S=f[S>>2]|0;if(!S){L=H;C=50;break}}}else{L=H;C=50}}else{L=0;C=50}while(0);if((C|0)==50){C=0;Di(e,a,r,q);U=$(((f[l>>2]|0)+1|0)>>>0);V=$(w>>>0);Y=$(n[g>>2]);do if(x|$(Y*V)>>0<3|(w+-1&w|0)!=0)&1;v=~~$(W($(U/Y)))>>>0;ei(a,t>>>0>>0?v:t);t=f[k>>2]|0;v=t+-1|0;if(!(v&t)){Z=t;_=v&r;break}if(r>>>0>>0){Z=t;_=r}else{Z=t;_=(r>>>0)%(t>>>0)|0}}else{Z=w;_=L}while(0);w=f[(f[a>>2]|0)+(_<<2)>>2]|0;if(!w){f[f[e>>2]>>2]=f[m>>2];f[m>>2]=f[e>>2];f[(f[a>>2]|0)+(_<<2)>>2]=m;r=f[e>>2]|0;x=f[r>>2]|0;if(x|0){q=f[x+4>>2]|0;x=Z+-1|0;if(x&Z)if(q>>>0>>0)aa=q;else aa=(q>>>0)%(Z>>>0)|0;else aa=q&x;f[(f[a>>2]|0)+(aa<<2)>>2]=r}}else{f[f[e>>2]>>2]=f[w>>2];f[w>>2]=f[e>>2]}f[l>>2]=(f[l>>2]|0)+1}w=f[p>>2]|0;if(!w)break a;else{o=w;p=w}}}while(0);e=f[c+28>>2]|0;if(!e){u=d;return}else ba=e;do{e=ba;c=ln(40)|0;Ub(c,f[e+20>>2]|0);aa=Ec(i,e+8|0)|0;e=f[aa>>2]|0;f[aa>>2]=c;if(e|0){c=f[e+28>>2]|0;if(c|0){aa=c;do{c=aa;aa=f[aa>>2]|0;ri(c+8|0);Oq(c)}while((aa|0)!=0)}aa=e+20|0;c=f[aa>>2]|0;f[aa>>2]=0;if(c|0)Oq(c);c=f[e+8>>2]|0;if(c|0){aa=c;do{c=aa;aa=f[aa>>2]|0;a=c+8|0;Z=f[c+20>>2]|0;if(Z|0){_=c+24|0;if((f[_>>2]|0)!=(Z|0))f[_>>2]=Z;Oq(Z)}if((b[a+11>>0]|0)<0)Oq(f[a>>2]|0);Oq(c)}while((aa|0)!=0)}aa=f[e>>2]|0;f[e>>2]=0;if(aa|0)Oq(aa);Oq(e)}ba=f[ba>>2]|0}while((ba|0)!=0);u=d;return}function Vb(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=Oa,fa=Oa,ga=Oa,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0;g=u;u=u+48|0;i=g+16|0;j=g+12|0;k=g;l=i+16|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)aq(k);q=o<<2;r=ln(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;sj(r|0,0,q|0)|0;f[p>>2]=s;s=c+48|0;q=c+40|0;o=i+4|0;t=i+12|0;v=i+8|0;w=a+40|0;x=a+64|0;y=f[e>>2]|0;e=r;z=0;A=0;B=r;C=r;D=0;E=r;while(1){r=s;F=f[r>>2]|0;G=f[r+4>>2]|0;r=q;H=un(f[r>>2]|0,f[r+4>>2]|0,y+z|0,0)|0;r=Vn(H|0,I|0,F|0,G|0)|0;G=(f[f[c>>2]>>2]|0)+r|0;r=h[G>>0]|h[G+1>>0]<<8|h[G+2>>0]<<16|h[G+3>>0]<<24;f[j>>2]=r;G=r&65535;F=r>>>16;H=F&65535;J=(r&65535^318)+239^F;F=(D|0)==0;a:do if(!F){K=D+-1|0;L=(K&D|0)==0;if(!L)if(J>>>0>>0)M=J;else M=(J>>>0)%(D>>>0)|0;else M=J&K;N=f[(f[i>>2]|0)+(M<<2)>>2]|0;do if(N|0?(O=f[N>>2]|0,O|0):0){b:do if(L){P=O;while(1){Q=f[P+4>>2]|0;R=(Q|0)==(J|0);if(!(R|(Q&K|0)==(M|0))){S=27;break b}if((R?(R=P+8|0,(d[R>>1]|0)==G<<16>>16):0)?(d[R+2>>1]|0)==H<<16>>16:0){T=P;S=26;break b}P=f[P>>2]|0;if(!P){S=27;break}}}else{P=O;while(1){R=f[P+4>>2]|0;if((R|0)==(J|0)){Q=P+8|0;if((d[Q>>1]|0)==G<<16>>16?(d[Q+2>>1]|0)==H<<16>>16:0){T=P;S=26;break b}}else{if(R>>>0>>0)U=R;else U=(R>>>0)%(D>>>0)|0;if((U|0)!=(M|0)){S=27;break b}}P=f[P>>2]|0;if(!P){S=27;break}}}while(0);if((S|0)==26){S=0;f[E+(z<<2)>>2]=f[T+12>>2];V=e;X=A;Y=C;Z=B;_=E;break a}else if((S|0)==27){S=0;if(F){aa=0;S=46;break a}else break}}while(0);K=D+-1|0;L=(K&D|0)==0;if(!L)if(J>>>0>>0)ba=J;else ba=(J>>>0)%(D>>>0)|0;else ba=K&J;N=f[(f[i>>2]|0)+(ba<<2)>>2]|0;if((N|0)!=0?(O=f[N>>2]|0,(O|0)!=0):0){if(L){L=O;while(1){N=f[L+4>>2]|0;if(!((N|0)==(J|0)|(N&K|0)==(ba|0))){aa=ba;S=46;break a}N=L+8|0;if((d[N>>1]|0)==G<<16>>16?(d[N+2>>1]|0)==H<<16>>16:0){S=61;break a}L=f[L>>2]|0;if(!L){aa=ba;S=46;break a}}}else ca=O;while(1){L=f[ca+4>>2]|0;if((L|0)!=(J|0)){if(L>>>0>>0)da=L;else da=(L>>>0)%(D>>>0)|0;if((da|0)!=(ba|0)){aa=ba;S=46;break a}}L=ca+8|0;if((d[L>>1]|0)==G<<16>>16?(d[L+2>>1]|0)==H<<16>>16:0){S=61;break a}ca=f[ca>>2]|0;if(!ca){aa=ba;S=46;break}}}else{aa=ba;S=46}}else{aa=0;S=46}while(0);if((S|0)==46){S=0;H=ln(16)|0;G=H+8|0;d[G>>1]=r;d[G+2>>1]=r>>>16;f[H+12>>2]=A;f[H+4>>2]=J;f[H>>2]=0;ea=$(((f[t>>2]|0)+1|0)>>>0);fa=$(D>>>0);ga=$(n[l>>2]);do if(F|$(ga*fa)>>0<3|(D+-1&D|0)!=0)&1;O=~~$(W($(ea/ga)))>>>0;Uh(i,G>>>0>>0?O:G);G=f[o>>2]|0;O=G+-1|0;if(!(O&G)){ha=G;ia=O&J;break}if(J>>>0>>0){ha=G;ia=J}else{ha=G;ia=(J>>>0)%(G>>>0)|0}}else{ha=D;ia=aa}while(0);J=(f[i>>2]|0)+(ia<<2)|0;F=f[J>>2]|0;if(!F){f[H>>2]=f[v>>2];f[v>>2]=H;f[J>>2]=v;J=f[H>>2]|0;if(J|0){r=f[J+4>>2]|0;J=ha+-1|0;if(J&ha)if(r>>>0>>0)ja=r;else ja=(r>>>0)%(ha>>>0)|0;else ja=r&J;ka=(f[i>>2]|0)+(ja<<2)|0;S=59}}else{f[H>>2]=f[F>>2];ka=F;S=59}if((S|0)==59){S=0;f[ka>>2]=H}f[t>>2]=(f[t>>2]|0)+1;S=61}if((S|0)==61){S=0;F=w;J=f[F>>2]|0;r=un(J|0,f[F+4>>2]|0,A|0,0)|0;kh((f[f[x>>2]>>2]|0)+r|0,j|0,J|0)|0;J=f[k>>2]|0;f[J+(z<<2)>>2]=A;V=J;X=A+1|0;Y=J;Z=J;_=J}J=z+1|0;la=f[m>>2]|0;if(J>>>0>=la>>>0)break;e=V;z=J;A=X;B=Z;C=Y;D=f[o>>2]|0;E=_}if((X|0)==(la|0))ma=Z;else{Z=a+84|0;if(!(b[Z>>0]|0)){_=f[a+72>>2]|0;E=f[a+68>>2]|0;o=E;if((_|0)==(E|0))na=V;else{D=_-E>>2;E=0;do{_=o+(E<<2)|0;f[_>>2]=f[Y+(f[_>>2]<<2)>>2];E=E+1|0}while(E>>>0>>0);na=V}}else{b[Z>>0]=0;Z=a+68|0;V=a+72|0;D=f[V>>2]|0;E=f[Z>>2]|0;Y=D-E>>2;o=E;E=D;if(la>>>0<=Y>>>0)if(la>>>0>>0?(D=o+(la<<2)|0,(D|0)!=(E|0)):0){f[V>>2]=E+(~((E+-4-D|0)>>>2)<<2);oa=la}else oa=la;else{Ch(Z,la-Y|0,1220);oa=f[m>>2]|0}Y=f[k>>2]|0;if(!oa)na=Y;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[Y+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);na=Y}}f[m>>2]=X;ma=na}if(!ma)pa=X;else{na=f[p>>2]|0;if((na|0)!=(ma|0))f[p>>2]=na+(~((na+-4-ma|0)>>>2)<<2);Oq(ma);pa=X}}else pa=0;X=f[i+8>>2]|0;if(X|0){ma=X;do{X=ma;ma=f[ma>>2]|0;Oq(X)}while((ma|0)!=0)}ma=f[i>>2]|0;f[i>>2]=0;if(!ma){u=g;return pa|0}Oq(ma);u=g;return pa|0}function Wb(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=Oa,da=Oa,ea=Oa,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0;e=u;u=u+48|0;g=e+20|0;i=e;j=e+8|0;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)aq(j);p=m<<2;q=ln(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;sj(q|0,0,p|0)|0;f[o>>2]=r;r=c+48|0;p=c+40|0;m=g+4|0;s=g+12|0;t=g+8|0;v=a+40|0;w=a+64|0;x=f[d>>2]|0;d=q;y=0;z=0;A=q;B=q;C=q;q=0;while(1){D=r;E=f[D>>2]|0;F=f[D+4>>2]|0;D=p;G=un(f[D>>2]|0,f[D+4>>2]|0,x+y|0,0)|0;D=Vn(G|0,I|0,E|0,F|0)|0;F=(f[f[c>>2]>>2]|0)+D|0;D=F;E=h[D>>0]|h[D+1>>0]<<8|h[D+2>>0]<<16|h[D+3>>0]<<24;D=F+4|0;F=h[D>>0]|h[D+1>>0]<<8|h[D+2>>0]<<16|h[D+3>>0]<<24;D=i;f[D>>2]=E;f[D+4>>2]=F;D=(E^318)+239^F;G=(q|0)==0;a:do if(!G){H=q+-1|0;J=(H&q|0)==0;if(!J)if(D>>>0>>0)K=D;else K=(D>>>0)%(q>>>0)|0;else K=D&H;L=f[(f[g>>2]|0)+(K<<2)>>2]|0;do if(L|0?(M=f[L>>2]|0,M|0):0){b:do if(J){N=M;while(1){O=f[N+4>>2]|0;P=(O|0)==(D|0);if(!(P|(O&H|0)==(K|0))){Q=27;break b}if((P?(f[N+8>>2]|0)==(E|0):0)?(f[N+12>>2]|0)==(F|0):0){R=N;Q=26;break b}N=f[N>>2]|0;if(!N){Q=27;break}}}else{N=M;while(1){P=f[N+4>>2]|0;if((P|0)==(D|0)){if((f[N+8>>2]|0)==(E|0)?(f[N+12>>2]|0)==(F|0):0){R=N;Q=26;break b}}else{if(P>>>0>>0)S=P;else S=(P>>>0)%(q>>>0)|0;if((S|0)!=(K|0)){Q=27;break b}}N=f[N>>2]|0;if(!N){Q=27;break}}}while(0);if((Q|0)==26){Q=0;f[A+(y<<2)>>2]=f[R+16>>2];T=d;U=z;V=C;X=B;Y=A;break a}else if((Q|0)==27){Q=0;if(G){Z=0;Q=46;break a}else break}}while(0);H=q+-1|0;J=(H&q|0)==0;if(!J)if(D>>>0>>0)_=D;else _=(D>>>0)%(q>>>0)|0;else _=H&D;L=f[(f[g>>2]|0)+(_<<2)>>2]|0;if((L|0)!=0?(M=f[L>>2]|0,(M|0)!=0):0){if(J){J=M;while(1){L=f[J+4>>2]|0;if(!((L|0)==(D|0)|(L&H|0)==(_|0))){Z=_;Q=46;break a}if((f[J+8>>2]|0)==(E|0)?(f[J+12>>2]|0)==(F|0):0){Q=61;break a}J=f[J>>2]|0;if(!J){Z=_;Q=46;break a}}}else aa=M;while(1){J=f[aa+4>>2]|0;if((J|0)!=(D|0)){if(J>>>0>>0)ba=J;else ba=(J>>>0)%(q>>>0)|0;if((ba|0)!=(_|0)){Z=_;Q=46;break a}}if((f[aa+8>>2]|0)==(E|0)?(f[aa+12>>2]|0)==(F|0):0){Q=61;break a}aa=f[aa>>2]|0;if(!aa){Z=_;Q=46;break}}}else{Z=_;Q=46}}else{Z=0;Q=46}while(0);if((Q|0)==46){Q=0;M=ln(20)|0;J=M+8|0;f[J>>2]=E;f[J+4>>2]=F;f[M+16>>2]=z;f[M+4>>2]=D;f[M>>2]=0;ca=$(((f[s>>2]|0)+1|0)>>>0);da=$(q>>>0);ea=$(n[k>>2]);do if(G|$(ea*da)>>0<3|(q+-1&q|0)!=0)&1;H=~~$(W($(ca/ea)))>>>0;Yh(g,J>>>0>>0?H:J);J=f[m>>2]|0;H=J+-1|0;if(!(H&J)){fa=J;ga=H&D;break}if(D>>>0>>0){fa=J;ga=D}else{fa=J;ga=(D>>>0)%(J>>>0)|0}}else{fa=q;ga=Z}while(0);D=(f[g>>2]|0)+(ga<<2)|0;G=f[D>>2]|0;if(!G){f[M>>2]=f[t>>2];f[t>>2]=M;f[D>>2]=t;D=f[M>>2]|0;if(D|0){F=f[D+4>>2]|0;D=fa+-1|0;if(D&fa)if(F>>>0>>0)ha=F;else ha=(F>>>0)%(fa>>>0)|0;else ha=F&D;ia=(f[g>>2]|0)+(ha<<2)|0;Q=59}}else{f[M>>2]=f[G>>2];ia=G;Q=59}if((Q|0)==59){Q=0;f[ia>>2]=M}f[s>>2]=(f[s>>2]|0)+1;Q=61}if((Q|0)==61){Q=0;G=v;D=f[G>>2]|0;F=un(D|0,f[G+4>>2]|0,z|0,0)|0;kh((f[f[w>>2]>>2]|0)+F|0,i|0,D|0)|0;D=f[j>>2]|0;f[D+(y<<2)>>2]=z;T=D;U=z+1|0;V=D;X=D;Y=D}D=y+1|0;ja=f[l>>2]|0;if(D>>>0>=ja>>>0)break;d=T;y=D;z=U;A=Y;B=X;C=V;q=f[m>>2]|0}if((U|0)==(ja|0))ka=X;else{X=a+84|0;if(!(b[X>>0]|0)){m=f[a+72>>2]|0;q=f[a+68>>2]|0;C=q;if((m|0)==(q|0))la=T;else{B=m-q>>2;q=0;do{m=C+(q<<2)|0;f[m>>2]=f[V+(f[m>>2]<<2)>>2];q=q+1|0}while(q>>>0>>0);la=T}}else{b[X>>0]=0;X=a+68|0;T=a+72|0;B=f[T>>2]|0;q=f[X>>2]|0;V=B-q>>2;C=q;q=B;if(ja>>>0<=V>>>0)if(ja>>>0>>0?(B=C+(ja<<2)|0,(B|0)!=(q|0)):0){f[T>>2]=q+(~((q+-4-B|0)>>>2)<<2);ma=ja}else ma=ja;else{Ch(X,ja-V|0,1220);ma=f[l>>2]|0}V=f[j>>2]|0;if(!ma)la=V;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[V+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);la=V}}f[l>>2]=U;ka=la}if(!ka)na=U;else{la=f[o>>2]|0;if((la|0)!=(ka|0))f[o>>2]=la+(~((la+-4-ka|0)>>>2)<<2);Oq(ka);na=U}}else na=0;U=f[g+8>>2]|0;if(U|0){ka=U;do{U=ka;ka=f[ka>>2]|0;Oq(U)}while((ka|0)!=0)}ka=f[g>>2]|0;f[g>>2]=0;if(!ka){u=e;return na|0}Oq(ka);u=e;return na|0}function Xb(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=Oa,fa=Oa,ga=Oa,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0;g=u;u=u+48|0;i=g+12|0;j=g+32|0;k=g;l=i+16|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)aq(k);q=o<<2;r=ln(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;sj(r|0,0,q|0)|0;f[p>>2]=s;s=c+48|0;q=c+40|0;o=i+4|0;t=i+12|0;v=i+8|0;w=a+40|0;x=a+64|0;y=f[e>>2]|0;e=r;z=0;A=0;B=r;C=r;D=0;E=r;while(1){r=s;F=f[r>>2]|0;G=f[r+4>>2]|0;r=q;H=un(f[r>>2]|0,f[r+4>>2]|0,y+z|0,0)|0;r=Vn(H|0,I|0,F|0,G|0)|0;G=(f[f[c>>2]>>2]|0)+r|0;r=h[G>>0]|h[G+1>>0]<<8;d[j>>1]=r;G=r&255;F=(r&65535)>>>8;H=F&255;J=((r&255^318)+239<<16>>16^F)&65535;F=(D|0)==0;a:do if(!F){K=D+-1|0;L=(K&D|0)==0;if(!L)if(D>>>0>J>>>0)M=J;else M=(J>>>0)%(D>>>0)|0;else M=K&J;N=f[(f[i>>2]|0)+(M<<2)>>2]|0;do if(N|0?(O=f[N>>2]|0,O|0):0){b:do if(L){P=O;while(1){Q=f[P+4>>2]|0;R=(Q|0)==(J|0);if(!(R|(Q&K|0)==(M|0))){S=27;break b}if((R?(R=P+8|0,(b[R>>0]|0)==G<<24>>24):0)?(b[R+1>>0]|0)==H<<24>>24:0){T=P;S=26;break b}P=f[P>>2]|0;if(!P){S=27;break}}}else{P=O;while(1){R=f[P+4>>2]|0;if((R|0)==(J|0)){Q=P+8|0;if((b[Q>>0]|0)==G<<24>>24?(b[Q+1>>0]|0)==H<<24>>24:0){T=P;S=26;break b}}else{if(R>>>0>>0)U=R;else U=(R>>>0)%(D>>>0)|0;if((U|0)!=(M|0)){S=27;break b}}P=f[P>>2]|0;if(!P){S=27;break}}}while(0);if((S|0)==26){S=0;f[E+(z<<2)>>2]=f[T+12>>2];V=e;X=A;Y=C;Z=B;_=E;break a}else if((S|0)==27){S=0;if(F){aa=0;S=46;break a}else break}}while(0);K=D+-1|0;L=(K&D|0)==0;if(!L)if(D>>>0>J>>>0)ba=J;else ba=(J>>>0)%(D>>>0)|0;else ba=K&J;N=f[(f[i>>2]|0)+(ba<<2)>>2]|0;if((N|0)!=0?(O=f[N>>2]|0,(O|0)!=0):0){if(L){L=O;while(1){N=f[L+4>>2]|0;if(!((N|0)==(J|0)|(N&K|0)==(ba|0))){aa=ba;S=46;break a}N=L+8|0;if((b[N>>0]|0)==G<<24>>24?(b[N+1>>0]|0)==H<<24>>24:0){S=61;break a}L=f[L>>2]|0;if(!L){aa=ba;S=46;break a}}}else ca=O;while(1){L=f[ca+4>>2]|0;if((L|0)!=(J|0)){if(L>>>0>>0)da=L;else da=(L>>>0)%(D>>>0)|0;if((da|0)!=(ba|0)){aa=ba;S=46;break a}}L=ca+8|0;if((b[L>>0]|0)==G<<24>>24?(b[L+1>>0]|0)==H<<24>>24:0){S=61;break a}ca=f[ca>>2]|0;if(!ca){aa=ba;S=46;break}}}else{aa=ba;S=46}}else{aa=0;S=46}while(0);if((S|0)==46){S=0;H=ln(16)|0;G=H+8|0;b[G>>0]=r;b[G+1>>0]=r>>8;f[H+12>>2]=A;f[H+4>>2]=J;f[H>>2]=0;ea=$(((f[t>>2]|0)+1|0)>>>0);fa=$(D>>>0);ga=$(n[l>>2]);do if(F|$(ga*fa)>>0<3|(D+-1&D|0)!=0)&1;O=~~$(W($(ea/ga)))>>>0;$h(i,G>>>0>>0?O:G);G=f[o>>2]|0;O=G+-1|0;if(!(O&G)){ha=G;ia=O&J;break}if(G>>>0>J>>>0){ha=G;ia=J}else{ha=G;ia=(J>>>0)%(G>>>0)|0}}else{ha=D;ia=aa}while(0);J=(f[i>>2]|0)+(ia<<2)|0;F=f[J>>2]|0;if(!F){f[H>>2]=f[v>>2];f[v>>2]=H;f[J>>2]=v;J=f[H>>2]|0;if(J|0){r=f[J+4>>2]|0;J=ha+-1|0;if(J&ha)if(r>>>0>>0)ja=r;else ja=(r>>>0)%(ha>>>0)|0;else ja=r&J;ka=(f[i>>2]|0)+(ja<<2)|0;S=59}}else{f[H>>2]=f[F>>2];ka=F;S=59}if((S|0)==59){S=0;f[ka>>2]=H}f[t>>2]=(f[t>>2]|0)+1;S=61}if((S|0)==61){S=0;F=w;J=f[F>>2]|0;r=un(J|0,f[F+4>>2]|0,A|0,0)|0;kh((f[f[x>>2]>>2]|0)+r|0,j|0,J|0)|0;J=f[k>>2]|0;f[J+(z<<2)>>2]=A;V=J;X=A+1|0;Y=J;Z=J;_=J}J=z+1|0;la=f[m>>2]|0;if(J>>>0>=la>>>0)break;e=V;z=J;A=X;B=Z;C=Y;D=f[o>>2]|0;E=_}if((X|0)==(la|0))ma=Z;else{Z=a+84|0;if(!(b[Z>>0]|0)){_=f[a+72>>2]|0;E=f[a+68>>2]|0;o=E;if((_|0)==(E|0))na=V;else{D=_-E>>2;E=0;do{_=o+(E<<2)|0;f[_>>2]=f[Y+(f[_>>2]<<2)>>2];E=E+1|0}while(E>>>0>>0);na=V}}else{b[Z>>0]=0;Z=a+68|0;V=a+72|0;D=f[V>>2]|0;E=f[Z>>2]|0;Y=D-E>>2;o=E;E=D;if(la>>>0<=Y>>>0)if(la>>>0>>0?(D=o+(la<<2)|0,(D|0)!=(E|0)):0){f[V>>2]=E+(~((E+-4-D|0)>>>2)<<2);oa=la}else oa=la;else{Ch(Z,la-Y|0,1220);oa=f[m>>2]|0}Y=f[k>>2]|0;if(!oa)na=Y;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[Y+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);na=Y}}f[m>>2]=X;ma=na}if(!ma)pa=X;else{na=f[p>>2]|0;if((na|0)!=(ma|0))f[p>>2]=na+(~((na+-4-ma|0)>>>2)<<2);Oq(ma);pa=X}}else pa=0;X=f[i+8>>2]|0;if(X|0){ma=X;do{X=ma;ma=f[ma>>2]|0;Oq(X)}while((ma|0)!=0)}ma=f[i>>2]|0;f[i>>2]=0;if(!ma){u=g;return pa|0}Oq(ma);u=g;return pa|0}function Yb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0;c=u;u=u+16|0;d=c+8|0;e=c;g=c+4|0;h=a+16|0;i=f[h>>2]|0;j=a+20|0;k=f[j>>2]|0;if((k|0)==(i|0))l=i;else{m=k+(~((k+-4-i|0)>>>2)<<2)|0;f[j>>2]=m;l=m}m=a+24|0;if((l|0)==(f[m>>2]|0)){Ri(h,b);n=f[h>>2]|0;o=f[j>>2]|0}else{f[l>>2]=f[b>>2];k=l+4|0;f[j>>2]=k;n=i;o=k}k=f[a+8>>2]|0;i=(f[k+100>>2]|0)-(f[k+96>>2]|0)|0;k=(i|0)/12|0;if((n|0)==(o|0)){u=c;return 1}n=a+28|0;l=(i|0)>0;i=a+164|0;p=a+12|0;q=a+76|0;r=a+80|0;s=a+72|0;t=a+200|0;v=a+320|0;w=a+152|0;x=a+84|0;y=a+324|0;z=a+292|0;A=a+304|0;B=a+316|0;C=a+328|0;D=a+336|0;E=a+332|0;F=a+168|0;G=a+140|0;H=a+120|0;I=o;do{o=f[I+-4>>2]|0;f[b>>2]=o;a:do if((o|0)!=-1?(J=(o>>>0)/3|0,K=f[n>>2]|0,(f[K+(J>>>5<<2)>>2]&1<<(J&31)|0)==0):0){if(l){J=0;L=K;b:while(1){K=J+1|0;f[i>>2]=(f[i>>2]|0)+1;M=f[b>>2]|0;N=(M|0)==-1?-1:(M>>>0)/3|0;M=L+(N>>>5<<2)|0;f[M>>2]=1<<(N&31)|f[M>>2];M=f[q>>2]|0;if((M|0)==(f[r>>2]|0))Ri(s,b);else{f[M>>2]=f[b>>2];f[q>>2]=M+4}f[v>>2]=f[b>>2];M=f[b>>2]|0;if((M|0)==-1)O=-1;else O=f[(f[f[p>>2]>>2]|0)+(M<<2)>>2]|0;P=(f[(f[w>>2]|0)+(O<<2)>>2]|0)!=-1;Q=(f[x>>2]|0)+(O>>>5<<2)|0;R=1<<(O&31);S=f[Q>>2]|0;do if(!(S&R)){f[Q>>2]=S|R;if(P){T=f[b>>2]|0;U=38;break}f[y>>2]=(f[y>>2]|0)+1;V=f[v>>2]|0;W=V+1|0;do if((V|0)!=-1){X=((W>>>0)%3|0|0)==0?V+-2|0:W;if(!((V>>>0)%3|0)){Y=V+2|0;Z=X;break}else{Y=V+-1|0;Z=X;break}}else{Y=-1;Z=-1}while(0);V=f[z>>2]|0;W=f[A>>2]|0;X=W+(f[V+(Z<<2)>>2]<<2)|0;_=f[X>>2]|0;f[X>>2]=_+-1;X=W+(f[V+(Y<<2)>>2]<<2)|0;f[X>>2]=(f[X>>2]|0)+-1;X=f[B>>2]|0;if((X|0)!=-1){V=f[C>>2]|0;if((_|0)<(V|0))$=V;else{W=f[E>>2]|0;$=(_|0)>(W|0)?W:_}_=$-V|0;V=f[D>>2]|0;W=f[3724+(X<<2)>>2]|0;f[d>>2]=W;X=V+(_*12|0)+4|0;aa=f[X>>2]|0;if(aa>>>0<(f[V+(_*12|0)+8>>2]|0)>>>0){f[aa>>2]=W;f[X>>2]=aa+4}else Ri(V+(_*12|0)|0,d)}f[B>>2]=0;_=f[b>>2]|0;V=_+1|0;if((_|0)!=-1?(aa=((V>>>0)%3|0|0)==0?_+-2|0:V,(aa|0)!=-1):0)ba=f[(f[(f[p>>2]|0)+12>>2]|0)+(aa<<2)>>2]|0;else ba=-1;f[b>>2]=ba}else{T=M;U=38}while(0);if((U|0)==38){U=0;M=T+1|0;if((T|0)==-1){U=43;break}R=((M>>>0)%3|0|0)==0?T+-2|0:M;if((R|0)==-1)ca=-1;else ca=f[(f[(f[p>>2]|0)+12>>2]|0)+(R<<2)>>2]|0;f[e>>2]=ca;R=(((T>>>0)%3|0|0)==0?2:-1)+T|0;if((R|0)==-1)da=-1;else da=f[(f[(f[p>>2]|0)+12>>2]|0)+(R<<2)>>2]|0;R=(ca|0)==-1;S=R?-1:(ca>>>0)/3|0;ea=(da|0)==-1;fa=ea?-1:(da>>>0)/3|0;Q=((M>>>0)%3|0|0)==0?T+-2|0:M;if(((Q|0)!=-1?(M=f[(f[p>>2]|0)+12>>2]|0,aa=f[M+(Q<<2)>>2]|0,(aa|0)!=-1):0)?(Q=(aa>>>0)/3|0,aa=f[n>>2]|0,(f[aa+(Q>>>5<<2)>>2]&1<<(Q&31)|0)==0):0){Q=(((T>>>0)%3|0|0)==0?2:-1)+T|0;do if((Q|0)!=-1){V=f[M+(Q<<2)>>2]|0;if((V|0)==-1)break;_=(V>>>0)/3|0;if(!(f[aa+(_>>>5<<2)>>2]&1<<(_&31))){U=62;break b}}while(0);if(!ea)xf(a,f[i>>2]|0,N,0,fa);nd(t,3);ga=f[e>>2]|0}else{if(!R){xf(a,f[i>>2]|0,N,1,S);aa=f[b>>2]|0;if((aa|0)==-1){U=52;break}else ha=aa}else ha=T;aa=(((ha>>>0)%3|0|0)==0?2:-1)+ha|0;if((aa|0)==-1){U=52;break}Q=f[(f[(f[p>>2]|0)+12>>2]|0)+(aa<<2)>>2]|0;if((Q|0)==-1){U=52;break}aa=(Q>>>0)/3|0;if(f[(f[n>>2]|0)+(aa>>>5<<2)>>2]&1<<(aa&31)|0){U=52;break}nd(t,5);ga=da}f[b>>2]=ga}if((K|0)>=(k|0))break a;J=K;L=f[n>>2]|0}do if((U|0)==43){U=0;f[e>>2]=-1;U=54}else if((U|0)==52){U=0;if(ea)U=54;else{xf(a,f[i>>2]|0,N,0,fa);U=54}}else if((U|0)==62){U=0;nd(t,1);f[F>>2]=(f[F>>2]|0)+1;if(P?(L=f[(f[w>>2]|0)+(O<<2)>>2]|0,(1<<(L&31)&f[(f[G>>2]|0)+(L>>>5<<2)>>2]|0)==0):0){f[g>>2]=f[b>>2];f[d>>2]=f[g>>2];Pe(a,d,0)|0}L=f[i>>2]|0;f[d>>2]=N;J=je(H,d)|0;f[J>>2]=L;L=f[j>>2]|0;f[L+-4>>2]=da;if((L|0)==(f[m>>2]|0)){Ri(h,e);break}else{f[L>>2]=f[e>>2];f[j>>2]=L+4;break}}while(0);if((U|0)==54){U=0;nd(t,7);f[j>>2]=(f[j>>2]|0)+-4}}}else U=11;while(0);if((U|0)==11){U=0;f[j>>2]=I+-4}I=f[j>>2]|0}while((f[h>>2]|0)!=(I|0));u=c;return 1}function Zb(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0;c=u;u=u+16|0;d=c+8|0;e=c;g=f[b>>2]|0;if((g|0)==-1){u=c;return}h=(g>>>0)/3|0;i=a+12|0;if(f[(f[i>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0){u=c;return}h=a+56|0;j=f[h>>2]|0;k=a+60|0;l=f[k>>2]|0;if((l|0)==(j|0))m=j;else{n=l+(~((l+-4-j|0)>>>2)<<2)|0;f[k>>2]=n;m=n}n=a+64|0;if((m|0)==(f[n>>2]|0))Ri(h,b);else{f[m>>2]=g;f[k>>2]=m+4}m=f[a>>2]|0;g=f[b>>2]|0;j=g+1|0;do if((g|0)!=-1){l=f[m+28>>2]|0;o=f[l+((((j>>>0)%3|0|0)==0?g+-2|0:j)<<2)>>2]|0;if(!((g>>>0)%3|0)){p=o;q=g+2|0;r=l;break}else{p=o;q=g+-1|0;r=l;break}}else{l=f[m+28>>2]|0;p=f[l+-4>>2]|0;q=-1;r=l}while(0);m=f[r+(q<<2)>>2]|0;q=a+24|0;r=f[q>>2]|0;g=r+(p>>>5<<2)|0;j=1<<(p&31);l=f[g>>2]|0;if(!(l&j)){f[g>>2]=l|j;j=f[b>>2]|0;l=j+1|0;if((j|0)==-1)s=-1;else s=((l>>>0)%3|0|0)==0?j+-2|0:l;f[e>>2]=s;l=f[(f[(f[a+44>>2]|0)+96>>2]|0)+(((s>>>0)/3|0)*12|0)+(((s>>>0)%3|0)<<2)>>2]|0;s=f[a+48>>2]|0;f[d>>2]=l;j=f[s+4>>2]|0;s=j+4|0;g=f[s>>2]|0;if((g|0)==(f[j+8>>2]|0))Ri(j,d);else{f[g>>2]=l;f[s>>2]=g+4}g=a+40|0;s=f[g>>2]|0;l=s+4|0;j=f[l>>2]|0;if((j|0)==(f[s+8>>2]|0)){Ri(s,e);t=f[g>>2]|0}else{f[j>>2]=f[e>>2];f[l>>2]=j+4;t=s}s=t+24|0;f[(f[t+12>>2]|0)+(p<<2)>>2]=f[s>>2];f[s>>2]=(f[s>>2]|0)+1;v=f[q>>2]|0}else v=r;r=v+(m>>>5<<2)|0;v=1<<(m&31);s=f[r>>2]|0;if(!(s&v)){f[r>>2]=s|v;v=f[b>>2]|0;do if((v|0)!=-1)if(!((v>>>0)%3|0)){w=v+2|0;break}else{w=v+-1|0;break}else w=-1;while(0);f[e>>2]=w;v=f[(f[(f[a+44>>2]|0)+96>>2]|0)+(((w>>>0)/3|0)*12|0)+(((w>>>0)%3|0)<<2)>>2]|0;w=f[a+48>>2]|0;f[d>>2]=v;s=f[w+4>>2]|0;w=s+4|0;r=f[w>>2]|0;if((r|0)==(f[s+8>>2]|0))Ri(s,d);else{f[r>>2]=v;f[w>>2]=r+4}r=a+40|0;w=f[r>>2]|0;v=w+4|0;s=f[v>>2]|0;if((s|0)==(f[w+8>>2]|0)){Ri(w,e);x=f[r>>2]|0}else{f[s>>2]=f[e>>2];f[v>>2]=s+4;x=w}w=x+24|0;f[(f[x+12>>2]|0)+(m<<2)>>2]=f[w>>2];f[w>>2]=(f[w>>2]|0)+1}w=f[h>>2]|0;m=f[k>>2]|0;if((w|0)==(m|0)){u=c;return}x=a+44|0;s=a+48|0;v=a+40|0;r=m;m=w;while(1){w=f[r+-4>>2]|0;f[b>>2]=w;p=(w>>>0)/3|0;if((w|0)!=-1?(w=f[i>>2]|0,(f[w+(p>>>5<<2)>>2]&1<<(p&31)|0)==0):0){t=p;p=w;w=f[a>>2]|0;a:while(1){j=p+(t>>>5<<2)|0;f[j>>2]=f[j>>2]|1<<(t&31);j=f[b>>2]|0;l=f[(f[w+28>>2]|0)+(j<<2)>>2]|0;g=(f[q>>2]|0)+(l>>>5<<2)|0;o=1<<(l&31);y=f[g>>2]|0;if(!(o&y)){z=f[(f[w+40>>2]|0)+(l<<2)>>2]|0;if((z|0)==-1)A=1;else{B=f[(f[f[w+64>>2]>>2]|0)+(z<<2)>>2]|0;A=(1<<(B&31)&f[(f[w+12>>2]|0)+(B>>>5<<2)>>2]|0)!=0}f[g>>2]=y|o;o=f[b>>2]|0;f[e>>2]=o;y=f[(f[(f[x>>2]|0)+96>>2]|0)+(((o>>>0)/3|0)*12|0)+(((o>>>0)%3|0)<<2)>>2]|0;o=f[s>>2]|0;f[d>>2]=y;g=f[o+4>>2]|0;o=g+4|0;B=f[o>>2]|0;if((B|0)==(f[g+8>>2]|0))Ri(g,d);else{f[B>>2]=y;f[o>>2]=B+4}B=f[v>>2]|0;o=B+4|0;y=f[o>>2]|0;if((y|0)==(f[B+8>>2]|0)){Ri(B,e);C=f[v>>2]|0}else{f[y>>2]=f[e>>2];f[o>>2]=y+4;C=B}B=C+24|0;f[(f[C+12>>2]|0)+(l<<2)>>2]=f[B>>2];f[B>>2]=(f[B>>2]|0)+1;B=f[a>>2]|0;l=f[b>>2]|0;if(A){D=l;E=B;F=57}else{y=l+1|0;do if((l|0)==-1)G=-1;else{o=((y>>>0)%3|0|0)==0?l+-2|0:y;if((o|0)==-1){G=-1;break}if(f[(f[B>>2]|0)+(o>>>5<<2)>>2]&1<<(o&31)|0){G=-1;break}G=f[(f[(f[B+64>>2]|0)+12>>2]|0)+(o<<2)>>2]|0}while(0);f[b>>2]=G;H=(G>>>0)/3|0;I=B}}else{D=j;E=w;F=57}if((F|0)==57){F=0;y=D+1|0;if((D|0)==-1){F=58;break}l=((y>>>0)%3|0|0)==0?D+-2|0:y;if((l|0)!=-1?(f[(f[E>>2]|0)+(l>>>5<<2)>>2]&1<<(l&31)|0)==0:0)J=f[(f[(f[E+64>>2]|0)+12>>2]|0)+(l<<2)>>2]|0;else J=-1;f[d>>2]=J;l=(((D>>>0)%3|0|0)==0?2:-1)+D|0;if((l|0)!=-1?(f[(f[E>>2]|0)+(l>>>5<<2)>>2]&1<<(l&31)|0)==0:0)K=f[(f[(f[E+64>>2]|0)+12>>2]|0)+(l<<2)>>2]|0;else K=-1;l=(J|0)==-1;y=(J>>>0)/3|0;o=l?-1:y;g=(K|0)==-1;z=(K>>>0)/3|0;L=g?-1:z;do if(!l){M=f[i>>2]|0;if(f[M+(o>>>5<<2)>>2]&1<<(o&31)|0){F=67;break}if(g){N=J;O=y;break}if(!(f[M+(L>>>5<<2)>>2]&1<<(L&31))){F=72;break a}else{N=J;O=y}}else F=67;while(0);if((F|0)==67){F=0;if(g){F=69;break}if(!(f[(f[i>>2]|0)+(L>>>5<<2)>>2]&1<<(L&31))){N=K;O=z}else{F=69;break}}f[b>>2]=N;H=O;I=E}t=H;p=f[i>>2]|0;w=I}do if((F|0)==58){F=0;f[d>>2]=-1;F=69}else if((F|0)==72){F=0;w=f[k>>2]|0;f[w+-4>>2]=K;if((w|0)==(f[n>>2]|0)){Ri(h,d);P=f[k>>2]|0;break}else{f[w>>2]=f[d>>2];p=w+4|0;f[k>>2]=p;P=p;break}}while(0);if((F|0)==69){F=0;p=(f[k>>2]|0)+-4|0;f[k>>2]=p;P=p}Q=f[h>>2]|0;R=P}else{p=r+-4|0;f[k>>2]=p;Q=m;R=p}if((Q|0)==(R|0))break;else{r=R;m=Q}}u=c;return}function _b(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=Oa,K=Oa,L=Oa,M=0,N=0,O=0,P=0;e=u;u=u+64|0;g=e+40|0;i=e+16|0;j=e;k=Id(a,c)|0;if(k|0){f[i>>2]=k;f[g>>2]=f[i>>2];lf(a,g)|0}f[j>>2]=0;k=j+4|0;f[k>>2]=0;f[j+8>>2]=0;Fi(j,8);l=d;d=l;m=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;d=l+4|0;l=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;d=f[j>>2]|0;o=d;b[o>>0]=m;b[o+1>>0]=m>>8;b[o+2>>0]=m>>16;b[o+3>>0]=m>>24;m=d+4|0;b[m>>0]=l;b[m+1>>0]=l>>8;b[m+2>>0]=l>>16;b[m+3>>0]=l>>24;pj(i,c);c=i+12|0;f[c>>2]=0;l=i+16|0;f[l>>2]=0;f[i+20>>2]=0;m=f[k>>2]|0;d=f[j>>2]|0;o=m-d|0;if(!o){p=d;q=m;r=0}else{Fi(c,o);p=f[j>>2]|0;q=f[k>>2]|0;r=f[c>>2]|0}kh(r|0,p|0,q-p|0)|0;p=i+11|0;q=b[p>>0]|0;r=q<<24>>24<0;c=r?f[i>>2]|0:i;o=r?f[i+4>>2]|0:q&255;if(o>>>0>3){q=c;r=o;m=o;while(1){d=X(h[q>>0]|h[q+1>>0]<<8|h[q+2>>0]<<16|h[q+3>>0]<<24,1540483477)|0;r=(X(d>>>24^d,1540483477)|0)^(X(r,1540483477)|0);m=m+-4|0;if(m>>>0<=3)break;else q=q+4|0}q=o+-4|0;m=q&-4;s=q-m|0;t=c+(m+4)|0;v=r}else{s=o;t=c;v=o}switch(s|0){case 3:{w=h[t+2>>0]<<16^v;x=10;break}case 2:{w=v;x=10;break}case 1:{y=v;x=11;break}default:z=v}if((x|0)==10){y=h[t+1>>0]<<8^w;x=11}if((x|0)==11)z=X(y^h[t>>0],1540483477)|0;t=X(z>>>13^z,1540483477)|0;z=t>>>15^t;t=a+4|0;y=f[t>>2]|0;w=(y|0)==0;a:do if(!w){v=y+-1|0;s=(v&y|0)==0;if(!s)if(z>>>0>>0)A=z;else A=(z>>>0)%(y>>>0)|0;else A=z&v;r=f[(f[a>>2]|0)+(A<<2)>>2]|0;if((r|0)!=0?(m=f[r>>2]|0,(m|0)!=0):0){r=(o|0)==0;if(s){if(r){s=m;while(1){q=f[s+4>>2]|0;if(!((q|0)==(z|0)|(q&v|0)==(A|0))){B=A;x=52;break a}q=b[s+8+11>>0]|0;if(!((q<<24>>24<0?f[s+12>>2]|0:q&255)|0))break a;s=f[s>>2]|0;if(!s){B=A;x=52;break a}}}else C=m;while(1){s=f[C+4>>2]|0;if(!((s|0)==(z|0)|(s&v|0)==(A|0))){B=A;x=52;break a}s=C+8|0;q=b[s+11>>0]|0;d=q<<24>>24<0;D=q&255;do if(((d?f[C+12>>2]|0:D)|0)==(o|0)){q=f[s>>2]|0;if(d)if(!(Vk(q,c,o)|0))break a;else break;if((b[c>>0]|0)==(q&255)<<24>>24){q=s;E=D;F=c;do{E=E+-1|0;q=q+1|0;if(!E)break a;F=F+1|0}while((b[q>>0]|0)==(b[F>>0]|0))}}while(0);C=f[C>>2]|0;if(!C){B=A;x=52;break a}}}if(r){v=m;while(1){D=f[v+4>>2]|0;if((D|0)!=(z|0)){if(D>>>0>>0)G=D;else G=(D>>>0)%(y>>>0)|0;if((G|0)!=(A|0)){B=A;x=52;break a}}D=b[v+8+11>>0]|0;if(!((D<<24>>24<0?f[v+12>>2]|0:D&255)|0))break a;v=f[v>>2]|0;if(!v){B=A;x=52;break a}}}else H=m;while(1){v=f[H+4>>2]|0;if((v|0)!=(z|0)){if(v>>>0>>0)I=v;else I=(v>>>0)%(y>>>0)|0;if((I|0)!=(A|0)){B=A;x=52;break a}}v=H+8|0;r=b[v+11>>0]|0;D=r<<24>>24<0;s=r&255;do if(((D?f[H+12>>2]|0:s)|0)==(o|0)){r=f[v>>2]|0;if(D)if(!(Vk(r,c,o)|0))break a;else break;if((b[c>>0]|0)==(r&255)<<24>>24){r=v;d=s;F=c;do{d=d+-1|0;r=r+1|0;if(!d)break a;F=F+1|0}while((b[r>>0]|0)==(b[F>>0]|0))}}while(0);H=f[H>>2]|0;if(!H){B=A;x=52;break}}}else{B=A;x=52}}else{B=0;x=52}while(0);if((x|0)==52){oi(g,a,z,i);x=a+12|0;J=$(((f[x>>2]|0)+1|0)>>>0);K=$(y>>>0);L=$(n[a+16>>2]);do if(w|$(L*K)>>0<3|(y+-1&y|0)!=0)&1;H=~~$(W($(J/L)))>>>0;ei(a,A>>>0>>0?H:A);A=f[t>>2]|0;H=A+-1|0;if(!(H&A)){M=A;N=H&z;break}if(z>>>0>>0){M=A;N=z}else{M=A;N=(z>>>0)%(A>>>0)|0}}else{M=y;N=B}while(0);B=f[(f[a>>2]|0)+(N<<2)>>2]|0;if(!B){y=a+8|0;f[f[g>>2]>>2]=f[y>>2];f[y>>2]=f[g>>2];f[(f[a>>2]|0)+(N<<2)>>2]=y;y=f[g>>2]|0;N=f[y>>2]|0;if(!N)O=g;else{z=f[N+4>>2]|0;N=M+-1|0;if(N&M)if(z>>>0>>0)P=z;else P=(z>>>0)%(M>>>0)|0;else P=z&N;f[(f[a>>2]|0)+(P<<2)>>2]=y;O=g}}else{f[f[g>>2]>>2]=f[B>>2];f[B>>2]=f[g>>2];O=g}f[x>>2]=(f[x>>2]|0)+1;f[O>>2]=0}O=f[i+12>>2]|0;if(O|0){if((f[l>>2]|0)!=(O|0))f[l>>2]=O;Oq(O)}if((b[p>>0]|0)<0)Oq(f[i>>2]|0);i=f[j>>2]|0;if(!i){u=e;return}if((f[k>>2]|0)!=(i|0))f[k>>2]=i;Oq(i);u=e;return}function $b(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0;e=u;u=u+96|0;g=e+92|0;h=e+88|0;i=e+72|0;j=e+48|0;k=e+24|0;l=e;m=a+16|0;n=f[m>>2]|0;o=f[c>>2]|0;f[i>>2]=n;f[i+4>>2]=o;c=i+8|0;f[c>>2]=o;b[i+12>>0]=1;p=(o|0)==-1;if(p)q=-1;else q=f[(f[n>>2]|0)+(o<<2)>>2]|0;n=a+20|0;r=f[n>>2]|0;s=f[r>>2]|0;if((f[r+4>>2]|0)-s>>2>>>0<=q>>>0)aq(r);r=a+8|0;t=f[(f[r>>2]|0)+(f[s+(q<<2)>>2]<<2)>>2]|0;q=a+4|0;s=f[q>>2]|0;if(!(b[s+84>>0]|0))v=f[(f[s+68>>2]|0)+(t<<2)>>2]|0;else v=t;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;f[j+16>>2]=0;f[j+20>>2]=0;f[h>>2]=v;v=b[s+24>>0]|0;f[g>>2]=f[h>>2];vb(s,g,v,j)|0;v=a+28|0;a=(f[v>>2]|0)==0;a:do if(!p){s=k+8|0;t=j+8|0;w=k+16|0;x=j+16|0;y=l+8|0;z=l+16|0;A=o;B=o;C=0;D=0;E=0;F=0;G=0;H=0;J=a;K=o;while(1){do if(J){L=K+1|0;if((K|0)==-1){M=A;N=-1;O=-1;P=-1;break}Q=((L>>>0)%3|0|0)==0?K+-2|0:L;if((A|0)!=-1)if(!((A>>>0)%3|0)){R=A;S=A+2|0;T=Q;U=A;V=19;break}else{R=A;S=A+-1|0;T=Q;U=A;V=19;break}else{R=-1;S=-1;T=Q;U=-1;V=19}}else{Q=B+1|0;L=((Q>>>0)%3|0|0)==0?B+-2|0:Q;if(!((B>>>0)%3|0)){R=A;S=B+2|0;T=L;U=K;V=19;break}else{R=A;S=B+-1|0;T=L;U=K;V=19;break}}while(0);if((V|0)==19){V=0;if((T|0)==-1){M=R;N=-1;O=S;P=U}else{M=R;N=f[(f[f[m>>2]>>2]|0)+(T<<2)>>2]|0;O=S;P=U}}W=f[n>>2]|0;L=f[W>>2]|0;if((f[W+4>>2]|0)-L>>2>>>0<=N>>>0){V=22;break}Q=f[(f[r>>2]|0)+(f[L+(N<<2)>>2]<<2)>>2]|0;L=f[q>>2]|0;if(!(b[L+84>>0]|0))X=f[(f[L+68>>2]|0)+(Q<<2)>>2]|0;else X=Q;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;f[h>>2]=X;Q=b[L+24>>0]|0;f[g>>2]=f[h>>2];vb(L,g,Q,k)|0;if((O|0)==-1)Y=-1;else Y=f[(f[f[m>>2]>>2]|0)+(O<<2)>>2]|0;Z=f[n>>2]|0;Q=f[Z>>2]|0;if((f[Z+4>>2]|0)-Q>>2>>>0<=Y>>>0){V=28;break}L=f[(f[r>>2]|0)+(f[Q+(Y<<2)>>2]<<2)>>2]|0;Q=f[q>>2]|0;if(!(b[Q+84>>0]|0))_=f[(f[Q+68>>2]|0)+(L<<2)>>2]|0;else _=L;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;f[l+12>>2]=0;f[l+16>>2]=0;f[l+20>>2]=0;f[h>>2]=_;L=b[Q+24>>0]|0;f[g>>2]=f[h>>2];vb(Q,g,L,l)|0;L=k;Q=j;$=f[Q>>2]|0;aa=f[Q+4>>2]|0;Q=Xn(f[L>>2]|0,f[L+4>>2]|0,$|0,aa|0)|0;L=I;ba=s;ca=t;da=f[ca>>2]|0;ea=f[ca+4>>2]|0;ca=Xn(f[ba>>2]|0,f[ba+4>>2]|0,da|0,ea|0)|0;ba=I;fa=w;ga=x;ha=f[ga>>2]|0;ia=f[ga+4>>2]|0;ga=Xn(f[fa>>2]|0,f[fa+4>>2]|0,ha|0,ia|0)|0;fa=I;ja=l;ka=Xn(f[ja>>2]|0,f[ja+4>>2]|0,$|0,aa|0)|0;aa=I;$=y;ja=Xn(f[$>>2]|0,f[$+4>>2]|0,da|0,ea|0)|0;ea=I;da=z;$=Xn(f[da>>2]|0,f[da+4>>2]|0,ha|0,ia|0)|0;ia=I;ha=un($|0,ia|0,ca|0,ba|0)|0;da=I;la=un(ja|0,ea|0,ga|0,fa|0)|0;ma=I;na=un(ka|0,aa|0,ga|0,fa|0)|0;fa=I;ga=un($|0,ia|0,Q|0,L|0)|0;ia=I;$=un(ja|0,ea|0,Q|0,L|0)|0;L=I;Q=un(ka|0,aa|0,ca|0,ba|0)|0;ba=I;ca=Xn(C|0,D|0,la|0,ma|0)|0;ma=Vn(ca|0,I|0,ha|0,da|0)|0;da=I;ha=Vn(na|0,fa|0,E|0,F|0)|0;fa=Xn(ha|0,I|0,ga|0,ia|0)|0;ia=I;ga=Xn(G|0,H|0,Q|0,ba|0)|0;ba=Vn(ga|0,I|0,$|0,L|0)|0;L=I;Hh(i);B=f[c>>2]|0;$=(f[v>>2]|0)==0;if((B|0)==-1){oa=$;pa=da;qa=ma;ra=ia;sa=fa;ta=L;ua=ba;break a}else{A=M;C=ma;D=da;E=fa;F=ia;G=ba;H=L;J=$;K=P}}if((V|0)==22)aq(W);else if((V|0)==28)aq(Z)}else{oa=a;pa=0;qa=0;ra=0;sa=0;ta=0;ua=0}while(0);a=(pa|0)>-1|(pa|0)==-1&qa>>>0>4294967295;Z=Xn(0,0,qa|0,pa|0)|0;V=a?pa:I;W=(ra|0)>-1|(ra|0)==-1&sa>>>0>4294967295;P=Xn(0,0,sa|0,ra|0)|0;M=W?ra:I;v=(ta|0)>-1|(ta|0)==-1&ua>>>0>4294967295;c=Xn(0,0,ua|0,ta|0)|0;i=Vn((W?sa:P)|0,M|0,(v?ua:c)|0,(v?ta:I)|0)|0;v=Vn(i|0,I|0,(a?qa:Z)|0,V|0)|0;V=I;if(oa){if((v|0)<=536870912){va=qa;wa=sa;xa=ua;f[d>>2]=va;ya=d+4|0;f[ya>>2]=wa;za=d+8|0;f[za>>2]=xa;u=e;return}oa=Yn(v|0,V|0,29)|0;Z=oa&7;oa=Ik(qa|0,pa|0,Z|0,0)|0;a=Ik(sa|0,ra|0,Z|0,0)|0;i=Ik(ua|0,ta|0,Z|0,0)|0;va=oa;wa=a;xa=i;f[d>>2]=va;ya=d+4|0;f[ya>>2]=wa;za=d+8|0;f[za>>2]=xa;u=e;return}else{if(!((V|0)>0|(V|0)==0&v>>>0>536870912)){va=qa;wa=sa;xa=ua;f[d>>2]=va;ya=d+4|0;f[ya>>2]=wa;za=d+8|0;f[za>>2]=xa;u=e;return}i=Yn(v|0,V|0,29)|0;V=I;v=Ik(qa|0,pa|0,i|0,V|0)|0;pa=Ik(sa|0,ra|0,i|0,V|0)|0;ra=Ik(ua|0,ta|0,i|0,V|0)|0;va=v;wa=pa;xa=ra;f[d>>2]=va;ya=d+4|0;f[ya>>2]=wa;za=d+8|0;f[za>>2]=xa;u=e;return}}function ac(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=Oa,M=Oa,N=Oa,O=0,P=0,Q=0,R=0;e=u;u=u+64|0;g=e+40|0;i=e+16|0;j=e;k=Id(a,c)|0;if(k|0){f[i>>2]=k;f[g>>2]=f[i>>2];lf(a,g)|0}f[j>>2]=0;k=j+4|0;f[k>>2]=0;f[j+8>>2]=0;l=d+11|0;m=b[l>>0]|0;o=d+4|0;p=f[o>>2]|0;q=m<<24>>24<0?p:m&255;if(!q){r=m;s=p;t=0}else{Fi(j,q);r=b[l>>0]|0;s=f[o>>2]|0;t=f[j>>2]|0}o=r<<24>>24<0;kh(t|0,(o?f[d>>2]|0:d)|0,(o?s:r&255)|0)|0;pj(i,c);c=i+12|0;f[c>>2]=0;r=i+16|0;f[r>>2]=0;f[i+20>>2]=0;s=f[k>>2]|0;o=f[j>>2]|0;d=s-o|0;if(!d){v=o;w=s;x=0}else{Fi(c,d);v=f[j>>2]|0;w=f[k>>2]|0;x=f[c>>2]|0}kh(x|0,v|0,w-v|0)|0;v=i+11|0;w=b[v>>0]|0;x=w<<24>>24<0;c=x?f[i>>2]|0:i;d=x?f[i+4>>2]|0:w&255;if(d>>>0>3){w=c;x=d;s=d;while(1){o=X(h[w>>0]|h[w+1>>0]<<8|h[w+2>>0]<<16|h[w+3>>0]<<24,1540483477)|0;x=(X(o>>>24^o,1540483477)|0)^(X(x,1540483477)|0);s=s+-4|0;if(s>>>0<=3)break;else w=w+4|0}w=d+-4|0;s=w&-4;y=w-s|0;z=c+(s+4)|0;A=x}else{y=d;z=c;A=d}switch(y|0){case 3:{B=h[z+2>>0]<<16^A;C=12;break}case 2:{B=A;C=12;break}case 1:{D=A;C=13;break}default:E=A}if((C|0)==12){D=h[z+1>>0]<<8^B;C=13}if((C|0)==13)E=X(D^h[z>>0],1540483477)|0;z=X(E>>>13^E,1540483477)|0;E=z>>>15^z;z=a+4|0;D=f[z>>2]|0;B=(D|0)==0;a:do if(!B){A=D+-1|0;y=(A&D|0)==0;if(!y)if(E>>>0>>0)F=E;else F=(E>>>0)%(D>>>0)|0;else F=E&A;x=f[(f[a>>2]|0)+(F<<2)>>2]|0;if((x|0)!=0?(s=f[x>>2]|0,(s|0)!=0):0){x=(d|0)==0;if(y){if(x){y=s;while(1){w=f[y+4>>2]|0;if(!((w|0)==(E|0)|(w&A|0)==(F|0))){G=F;C=54;break a}w=b[y+8+11>>0]|0;if(!((w<<24>>24<0?f[y+12>>2]|0:w&255)|0))break a;y=f[y>>2]|0;if(!y){G=F;C=54;break a}}}else H=s;while(1){y=f[H+4>>2]|0;if(!((y|0)==(E|0)|(y&A|0)==(F|0))){G=F;C=54;break a}y=H+8|0;w=b[y+11>>0]|0;o=w<<24>>24<0;t=w&255;do if(((o?f[H+12>>2]|0:t)|0)==(d|0)){w=f[y>>2]|0;if(o)if(!(Vk(w,c,d)|0))break a;else break;if((b[c>>0]|0)==(w&255)<<24>>24){w=y;l=t;q=c;do{l=l+-1|0;w=w+1|0;if(!l)break a;q=q+1|0}while((b[w>>0]|0)==(b[q>>0]|0))}}while(0);H=f[H>>2]|0;if(!H){G=F;C=54;break a}}}if(x){A=s;while(1){t=f[A+4>>2]|0;if((t|0)!=(E|0)){if(t>>>0>>0)I=t;else I=(t>>>0)%(D>>>0)|0;if((I|0)!=(F|0)){G=F;C=54;break a}}t=b[A+8+11>>0]|0;if(!((t<<24>>24<0?f[A+12>>2]|0:t&255)|0))break a;A=f[A>>2]|0;if(!A){G=F;C=54;break a}}}else J=s;while(1){A=f[J+4>>2]|0;if((A|0)!=(E|0)){if(A>>>0>>0)K=A;else K=(A>>>0)%(D>>>0)|0;if((K|0)!=(F|0)){G=F;C=54;break a}}A=J+8|0;x=b[A+11>>0]|0;t=x<<24>>24<0;y=x&255;do if(((t?f[J+12>>2]|0:y)|0)==(d|0)){x=f[A>>2]|0;if(t)if(!(Vk(x,c,d)|0))break a;else break;if((b[c>>0]|0)==(x&255)<<24>>24){x=A;o=y;q=c;do{o=o+-1|0;x=x+1|0;if(!o)break a;q=q+1|0}while((b[x>>0]|0)==(b[q>>0]|0))}}while(0);J=f[J>>2]|0;if(!J){G=F;C=54;break}}}else{G=F;C=54}}else{G=0;C=54}while(0);if((C|0)==54){oi(g,a,E,i);C=a+12|0;L=$(((f[C>>2]|0)+1|0)>>>0);M=$(D>>>0);N=$(n[a+16>>2]);do if(B|$(N*M)>>0<3|(D+-1&D|0)!=0)&1;J=~~$(W($(L/N)))>>>0;ei(a,F>>>0>>0?J:F);F=f[z>>2]|0;J=F+-1|0;if(!(J&F)){O=F;P=J&E;break}if(E>>>0>>0){O=F;P=E}else{O=F;P=(E>>>0)%(F>>>0)|0}}else{O=D;P=G}while(0);G=f[(f[a>>2]|0)+(P<<2)>>2]|0;if(!G){D=a+8|0;f[f[g>>2]>>2]=f[D>>2];f[D>>2]=f[g>>2];f[(f[a>>2]|0)+(P<<2)>>2]=D;D=f[g>>2]|0;P=f[D>>2]|0;if(!P)Q=g;else{E=f[P+4>>2]|0;P=O+-1|0;if(P&O)if(E>>>0>>0)R=E;else R=(E>>>0)%(O>>>0)|0;else R=E&P;f[(f[a>>2]|0)+(R<<2)>>2]=D;Q=g}}else{f[f[g>>2]>>2]=f[G>>2];f[G>>2]=f[g>>2];Q=g}f[C>>2]=(f[C>>2]|0)+1;f[Q>>2]=0}Q=f[i+12>>2]|0;if(Q|0){if((f[r>>2]|0)!=(Q|0))f[r>>2]=Q;Oq(Q)}if((b[v>>0]|0)<0)Oq(f[i>>2]|0);i=f[j>>2]|0;if(!i){u=e;return}if((f[k>>2]|0)!=(i|0))f[k>>2]=i;Oq(i);u=e;return}function bc(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0;d=u;u=u+192|0;e=d+152|0;g=d+144|0;h=d+72|0;i=d;j=d+112|0;k=d+108|0;l=d+104|0;m=a+352|0;if(b[m>>0]|0?(n=Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0,((f[n+12>>2]|0)-(f[n+8>>2]|0)|0)>0):0){n=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+8|0;o=f[f[n>>2]>>2]|0;f[e>>2]=c;n=o+4|0;p=o+8|0;q=f[p>>2]|0;if((q|0)==(f[o+12>>2]|0))Ri(n,e);else{f[q>>2]=c;f[p>>2]=q+4}q=f[e>>2]|0;r=o+16|0;s=o+20|0;o=f[s>>2]|0;t=f[r>>2]|0;v=o-t>>2;w=t;if((q|0)<(v|0)){x=w;y=q}else{t=q+1|0;f[g>>2]=-1;z=o;if(t>>>0<=v>>>0)if(t>>>0>>0?(o=w+(t<<2)|0,(o|0)!=(z|0)):0){f[s>>2]=z+(~((z+-4-o|0)>>>2)<<2);A=q;B=w}else{A=q;B=w}else{Ch(r,t-v|0,g);A=f[e>>2]|0;B=f[r>>2]|0}x=B;y=A}f[x+(y<<2)>>2]=((f[p>>2]|0)-(f[n>>2]|0)>>2)+-1;C=1;u=d;return C|0}n=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+52|0;p=f[(f[(f[n>>2]|0)+84>>2]|0)+(c<<2)>>2]|0;n=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+4|0;y=f[(f[(f[n>>2]|0)+8>>2]|0)+(c<<2)>>2]|0;f[g>>2]=-1;n=a+172|0;x=f[a+176>>2]|0;A=f[n>>2]|0;B=A;a:do if((x|0)==(A|0))D=-1;else{r=(x-A|0)/136|0;v=0;while(1){if((f[B+(v*136|0)>>2]|0)==(c|0))break;t=v+1|0;if(t>>>0>>0)v=t;else{D=-1;break a}}f[g>>2]=v;D=v}while(0);b:do if(!(b[m>>0]|0)){A=(f[y+56>>2]|0)==0;do if(!((p|0)==0|A)){if((p|0)==1?b[B+(D*136|0)+28>>0]|0:0)break;x=ln(88)|0;r=f[a+8>>2]|0;t=B+(D*136|0)+104|0;f[x+4>>2]=0;f[x>>2]=3564;w=x+12|0;f[w>>2]=3588;q=x+64|0;f[q>>2]=0;f[x+68>>2]=0;f[x+72>>2]=0;o=x+16|0;z=o+44|0;do{f[o>>2]=0;o=o+4|0}while((o|0)<(z|0));f[x+76>>2]=r;f[x+80>>2]=t;s=x+84|0;f[s>>2]=0;f[h>>2]=3588;E=h+4|0;F=E+4|0;f[F>>2]=0;f[F+4>>2]=0;f[F+8>>2]=0;f[F+12>>2]=0;f[F+16>>2]=0;f[F+20>>2]=0;F=B+(D*136|0)+4|0;G=i+4|0;f[G>>2]=3588;H=i+56|0;f[H>>2]=0;I=i+60|0;f[I>>2]=0;f[i+64>>2]=0;o=i+8|0;z=o+44|0;do{f[o>>2]=0;o=o+4|0}while((o|0)<(z|0));f[E>>2]=F;o=f[B+(D*136|0)+68>>2]|0;z=((f[o+4>>2]|0)-(f[o>>2]|0)>>2>>>0)/3|0;b[e>>0]=0;qh(h+8|0,z,e);Va[f[(f[h>>2]|0)+8>>2]&127](h);Df(j,h);Df(e,j);f[i>>2]=f[e+4>>2];z=i+4|0;fg(z,e)|0;f[e>>2]=3588;o=f[e+20>>2]|0;if(o|0)Oq(o);o=f[e+8>>2]|0;if(o|0)Oq(o);f[i+36>>2]=F;f[i+40>>2]=t;f[i+44>>2]=r;f[i+48>>2]=x;f[j>>2]=3588;o=f[j+20>>2]|0;if(o|0)Oq(o);o=f[j+8>>2]|0;if(o|0)Oq(o);f[s>>2]=a+72;f[x+8>>2]=f[i>>2];fg(w,z)|0;z=x+44|0;o=i+36|0;f[z>>2]=f[o>>2];f[z+4>>2]=f[o+4>>2];f[z+8>>2]=f[o+8>>2];f[z+12>>2]=f[o+12>>2];b[z+16>>0]=b[o+16>>0]|0;ng(q,f[H>>2]|0,f[I>>2]|0);o=x;z=f[H>>2]|0;if(z|0){J=f[I>>2]|0;if((J|0)!=(z|0))f[I>>2]=J+(~((J+-4-z|0)>>>2)<<2);Oq(z)}f[G>>2]=3588;z=f[i+24>>2]|0;if(z|0)Oq(z);z=f[i+12>>2]|0;if(z|0)Oq(z);f[h>>2]=3588;z=f[h+20>>2]|0;if(z|0)Oq(z);z=f[h+8>>2]|0;if(z|0)Oq(z);K=0;L=o;M=54;break b}while(0);if(!A){b[B+(D*136|0)+100>>0]=0;N=B+(D*136|0)+104|0;M=26}else M=24}else M=24;while(0);if((M|0)==24){N=a+40|0;M=26}if((M|0)==26){D=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+48|0;do if((mi(f[D>>2]|0)|0)==0?(f[y+56>>2]|0)==0:0){if(b[m>>0]|0?(B=f[a+8>>2]|0,((f[B+12>>2]|0)-(f[B+8>>2]|0)|0)>4):0){M=31;break}gf(e,a,N);O=1;P=f[e>>2]|0}else M=31;while(0);if((M|0)==31){Vd(e,a,N);O=0;P=f[e>>2]|0}if(!P)Q=0;else{K=O;L=P;M=54}}if((M|0)==54){M=f[g>>2]|0;if((M|0)==-1)R=a+68|0;else R=(f[n>>2]|0)+(M*136|0)+132|0;f[R>>2]=K;K=ln(76)|0;f[k>>2]=L;rl(K,k,c);c=K;K=f[k>>2]|0;f[k>>2]=0;if(K|0)Va[f[(f[K>>2]|0)+4>>2]&127](K);K=a+188|0;k=f[K>>2]|0;if((k|0)==(f[a+192>>2]|0))Ri(a+184|0,g);else{f[k>>2]=f[g>>2];f[K>>2]=k+4}k=Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0;f[l>>2]=c;a=k+12|0;K=f[a>>2]|0;if(K>>>0<(f[k+16>>2]|0)>>>0){f[l>>2]=0;f[K>>2]=c;f[a>>2]=K+4;S=l}else{Qg(k+8|0,l);S=l}l=f[S>>2]|0;f[S>>2]=0;if(!l)Q=1;else{Va[f[(f[l>>2]|0)+4>>2]&127](l);Q=1}}C=Q;u=d;return C|0}function cc(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0;d=u;u=u+192|0;e=d+152|0;g=d+144|0;h=d+72|0;i=d;j=d+112|0;k=d+108|0;l=d+104|0;m=a+288|0;if(b[m>>0]|0?(n=Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0,((f[n+12>>2]|0)-(f[n+8>>2]|0)|0)>0):0){n=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+8|0;o=f[f[n>>2]>>2]|0;f[e>>2]=c;n=o+4|0;p=o+8|0;q=f[p>>2]|0;if((q|0)==(f[o+12>>2]|0))Ri(n,e);else{f[q>>2]=c;f[p>>2]=q+4}q=f[e>>2]|0;r=o+16|0;s=o+20|0;o=f[s>>2]|0;t=f[r>>2]|0;v=o-t>>2;w=t;if((q|0)<(v|0)){x=w;y=q}else{t=q+1|0;f[g>>2]=-1;z=o;if(t>>>0<=v>>>0)if(t>>>0>>0?(o=w+(t<<2)|0,(o|0)!=(z|0)):0){f[s>>2]=z+(~((z+-4-o|0)>>>2)<<2);A=q;B=w}else{A=q;B=w}else{Ch(r,t-v|0,g);A=f[e>>2]|0;B=f[r>>2]|0}x=B;y=A}f[x+(y<<2)>>2]=((f[p>>2]|0)-(f[n>>2]|0)>>2)+-1;C=1;u=d;return C|0}n=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+52|0;p=f[(f[(f[n>>2]|0)+84>>2]|0)+(c<<2)>>2]|0;n=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+4|0;y=f[(f[(f[n>>2]|0)+8>>2]|0)+(c<<2)>>2]|0;f[g>>2]=-1;n=a+172|0;x=f[a+176>>2]|0;A=f[n>>2]|0;B=A;a:do if((x|0)==(A|0))D=-1;else{r=(x-A|0)/136|0;v=0;while(1){if((f[B+(v*136|0)>>2]|0)==(c|0))break;t=v+1|0;if(t>>>0>>0)v=t;else{D=-1;break a}}f[g>>2]=v;D=v}while(0);b:do if(!(b[m>>0]|0)){A=(f[y+56>>2]|0)==0;do if(!((p|0)==0|A)){if((p|0)==1?b[B+(D*136|0)+28>>0]|0:0)break;x=ln(88)|0;r=f[a+8>>2]|0;t=B+(D*136|0)+104|0;f[x+4>>2]=0;f[x>>2]=3564;w=x+12|0;f[w>>2]=3588;q=x+64|0;f[q>>2]=0;f[x+68>>2]=0;f[x+72>>2]=0;o=x+16|0;z=o+44|0;do{f[o>>2]=0;o=o+4|0}while((o|0)<(z|0));f[x+76>>2]=r;f[x+80>>2]=t;s=x+84|0;f[s>>2]=0;f[h>>2]=3588;E=h+4|0;F=E+4|0;f[F>>2]=0;f[F+4>>2]=0;f[F+8>>2]=0;f[F+12>>2]=0;f[F+16>>2]=0;f[F+20>>2]=0;F=B+(D*136|0)+4|0;G=i+4|0;f[G>>2]=3588;H=i+56|0;f[H>>2]=0;I=i+60|0;f[I>>2]=0;f[i+64>>2]=0;o=i+8|0;z=o+44|0;do{f[o>>2]=0;o=o+4|0}while((o|0)<(z|0));f[E>>2]=F;o=f[B+(D*136|0)+68>>2]|0;z=((f[o+4>>2]|0)-(f[o>>2]|0)>>2>>>0)/3|0;b[e>>0]=0;qh(h+8|0,z,e);Va[f[(f[h>>2]|0)+8>>2]&127](h);Df(j,h);Df(e,j);f[i>>2]=f[e+4>>2];z=i+4|0;fg(z,e)|0;f[e>>2]=3588;o=f[e+20>>2]|0;if(o|0)Oq(o);o=f[e+8>>2]|0;if(o|0)Oq(o);f[i+36>>2]=F;f[i+40>>2]=t;f[i+44>>2]=r;f[i+48>>2]=x;f[j>>2]=3588;o=f[j+20>>2]|0;if(o|0)Oq(o);o=f[j+8>>2]|0;if(o|0)Oq(o);f[s>>2]=a+72;f[x+8>>2]=f[i>>2];fg(w,z)|0;z=x+44|0;o=i+36|0;f[z>>2]=f[o>>2];f[z+4>>2]=f[o+4>>2];f[z+8>>2]=f[o+8>>2];f[z+12>>2]=f[o+12>>2];b[z+16>>0]=b[o+16>>0]|0;ng(q,f[H>>2]|0,f[I>>2]|0);o=x;z=f[H>>2]|0;if(z|0){J=f[I>>2]|0;if((J|0)!=(z|0))f[I>>2]=J+(~((J+-4-z|0)>>>2)<<2);Oq(z)}f[G>>2]=3588;z=f[i+24>>2]|0;if(z|0)Oq(z);z=f[i+12>>2]|0;if(z|0)Oq(z);f[h>>2]=3588;z=f[h+20>>2]|0;if(z|0)Oq(z);z=f[h+8>>2]|0;if(z|0)Oq(z);K=0;L=o;M=54;break b}while(0);if(!A){b[B+(D*136|0)+100>>0]=0;N=B+(D*136|0)+104|0;M=26}else M=24}else M=24;while(0);if((M|0)==24){N=a+40|0;M=26}if((M|0)==26){D=(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)+48|0;do if((mi(f[D>>2]|0)|0)==0?(f[y+56>>2]|0)==0:0){if(b[m>>0]|0?(B=f[a+8>>2]|0,((f[B+12>>2]|0)-(f[B+8>>2]|0)|0)>4):0){M=31;break}gf(e,a,N);O=1;P=f[e>>2]|0}else M=31;while(0);if((M|0)==31){Vd(e,a,N);O=0;P=f[e>>2]|0}if(!P)Q=0;else{K=O;L=P;M=54}}if((M|0)==54){M=f[g>>2]|0;if((M|0)==-1)R=a+68|0;else R=(f[n>>2]|0)+(M*136|0)+132|0;f[R>>2]=K;K=ln(76)|0;f[k>>2]=L;rl(K,k,c);c=K;K=f[k>>2]|0;f[k>>2]=0;if(K|0)Va[f[(f[K>>2]|0)+4>>2]&127](K);K=a+188|0;k=f[K>>2]|0;if((k|0)==(f[a+192>>2]|0))Ri(a+184|0,g);else{f[k>>2]=f[g>>2];f[K>>2]=k+4}k=Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0;f[l>>2]=c;a=k+12|0;K=f[a>>2]|0;if(K>>>0<(f[k+16>>2]|0)>>>0){f[l>>2]=0;f[K>>2]=c;f[a>>2]=K+4;S=l}else{Qg(k+8|0,l);S=l}l=f[S>>2]|0;f[S>>2]=0;if(!l)Q=1;else{Va[f[(f[l>>2]|0)+4>>2]&127](l);Q=1}}C=Q;u=d;return C|0}function dc(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0;c=u;u=u+16|0;d=c+8|0;e=c;g=f[b>>2]|0;if((g|0)==-1){u=c;return}h=(g>>>0)/3|0;i=a+12|0;if(f[(f[i>>2]|0)+(h>>>5<<2)>>2]&1<<(h&31)|0){u=c;return}h=a+56|0;j=f[h>>2]|0;k=a+60|0;l=f[k>>2]|0;if((l|0)==(j|0))m=j;else{n=l+(~((l+-4-j|0)>>>2)<<2)|0;f[k>>2]=n;m=n}n=a+64|0;if((m|0)==(f[n>>2]|0))Ri(h,b);else{f[m>>2]=g;f[k>>2]=m+4}m=f[a>>2]|0;g=f[b>>2]|0;j=g+1|0;if((g|0)!=-1){l=((j>>>0)%3|0|0)==0?g+-2|0:j;if((l|0)==-1)o=-1;else o=f[(f[m>>2]|0)+(l<<2)>>2]|0;l=(((g>>>0)%3|0|0)==0?2:-1)+g|0;if((l|0)==-1){p=o;q=-1}else{p=o;q=f[(f[m>>2]|0)+(l<<2)>>2]|0}}else{p=-1;q=-1}l=a+24|0;m=f[l>>2]|0;o=m+(p>>>5<<2)|0;g=1<<(p&31);j=f[o>>2]|0;if(!(j&g)){f[o>>2]=j|g;g=f[b>>2]|0;j=g+1|0;if((g|0)==-1)r=-1;else r=((j>>>0)%3|0|0)==0?g+-2|0:j;f[e>>2]=r;j=f[(f[(f[a+44>>2]|0)+96>>2]|0)+(((r>>>0)/3|0)*12|0)+(((r>>>0)%3|0)<<2)>>2]|0;r=f[a+48>>2]|0;f[d>>2]=j;g=f[r+4>>2]|0;r=g+4|0;o=f[r>>2]|0;if((o|0)==(f[g+8>>2]|0))Ri(g,d);else{f[o>>2]=j;f[r>>2]=o+4}o=a+40|0;r=f[o>>2]|0;j=r+4|0;g=f[j>>2]|0;if((g|0)==(f[r+8>>2]|0)){Ri(r,e);s=f[o>>2]|0}else{f[g>>2]=f[e>>2];f[j>>2]=g+4;s=r}r=s+24|0;f[(f[s+12>>2]|0)+(p<<2)>>2]=f[r>>2];f[r>>2]=(f[r>>2]|0)+1;t=f[l>>2]|0}else t=m;m=t+(q>>>5<<2)|0;t=1<<(q&31);r=f[m>>2]|0;if(!(r&t)){f[m>>2]=r|t;t=f[b>>2]|0;do if((t|0)!=-1)if(!((t>>>0)%3|0)){v=t+2|0;break}else{v=t+-1|0;break}else v=-1;while(0);f[e>>2]=v;t=f[(f[(f[a+44>>2]|0)+96>>2]|0)+(((v>>>0)/3|0)*12|0)+(((v>>>0)%3|0)<<2)>>2]|0;v=f[a+48>>2]|0;f[d>>2]=t;r=f[v+4>>2]|0;v=r+4|0;m=f[v>>2]|0;if((m|0)==(f[r+8>>2]|0))Ri(r,d);else{f[m>>2]=t;f[v>>2]=m+4}m=a+40|0;v=f[m>>2]|0;t=v+4|0;r=f[t>>2]|0;if((r|0)==(f[v+8>>2]|0)){Ri(v,e);w=f[m>>2]|0}else{f[r>>2]=f[e>>2];f[t>>2]=r+4;w=v}v=w+24|0;f[(f[w+12>>2]|0)+(q<<2)>>2]=f[v>>2];f[v>>2]=(f[v>>2]|0)+1}v=f[h>>2]|0;q=f[k>>2]|0;if((v|0)==(q|0)){u=c;return}w=a+44|0;r=a+48|0;t=a+40|0;m=q;q=v;while(1){v=f[m+-4>>2]|0;f[b>>2]=v;p=(v>>>0)/3|0;if((v|0)!=-1?(v=f[i>>2]|0,(f[v+(p>>>5<<2)>>2]&1<<(p&31)|0)==0):0){s=p;p=v;a:while(1){v=p+(s>>>5<<2)|0;f[v>>2]=f[v>>2]|1<<(s&31);v=f[b>>2]|0;if((v|0)==-1)x=-1;else x=f[(f[f[a>>2]>>2]|0)+(v<<2)>>2]|0;g=(f[l>>2]|0)+(x>>>5<<2)|0;j=1<<(x&31);o=f[g>>2]|0;do if(!(j&o)){y=f[a>>2]|0;z=f[(f[y+24>>2]|0)+(x<<2)>>2]|0;A=z+1|0;if(((z|0)!=-1?(B=((A>>>0)%3|0|0)==0?z+-2|0:A,(B|0)!=-1):0)?(A=f[(f[y+12>>2]|0)+(B<<2)>>2]|0,B=A+1|0,(A|0)!=-1):0)C=((((B>>>0)%3|0|0)==0?A+-2|0:B)|0)==-1;else C=1;f[g>>2]=o|j;B=f[b>>2]|0;f[e>>2]=B;A=f[(f[(f[w>>2]|0)+96>>2]|0)+(((B>>>0)/3|0)*12|0)+(((B>>>0)%3|0)<<2)>>2]|0;B=f[r>>2]|0;f[d>>2]=A;y=f[B+4>>2]|0;B=y+4|0;z=f[B>>2]|0;if((z|0)==(f[y+8>>2]|0))Ri(y,d);else{f[z>>2]=A;f[B>>2]=z+4}z=f[t>>2]|0;B=z+4|0;A=f[B>>2]|0;if((A|0)==(f[z+8>>2]|0)){Ri(z,e);D=f[t>>2]|0}else{f[A>>2]=f[e>>2];f[B>>2]=A+4;D=z}z=D+24|0;f[(f[D+12>>2]|0)+(x<<2)>>2]=f[z>>2];f[z>>2]=(f[z>>2]|0)+1;if(C){E=f[b>>2]|0;F=60;break}z=f[a>>2]|0;A=f[b>>2]|0;do if((A|0)==-1)G=-1;else{B=A+1|0;y=((B>>>0)%3|0|0)==0?A+-2|0:B;if((y|0)==-1){G=-1;break}G=f[(f[z+12>>2]|0)+(y<<2)>>2]|0}while(0);f[b>>2]=G;H=(G>>>0)/3|0}else{E=v;F=60}while(0);if((F|0)==60){F=0;v=f[a>>2]|0;if((E|0)==-1){F=61;break}j=E+1|0;o=((j>>>0)%3|0|0)==0?E+-2|0:j;if((o|0)==-1)I=-1;else I=f[(f[v+12>>2]|0)+(o<<2)>>2]|0;f[d>>2]=I;o=(((E>>>0)%3|0|0)==0?2:-1)+E|0;if((o|0)==-1)J=-1;else J=f[(f[v+12>>2]|0)+(o<<2)>>2]|0;o=(I|0)==-1;v=(I>>>0)/3|0;j=o?-1:v;g=(J|0)==-1;z=(J>>>0)/3|0;A=g?-1:z;do if(!o){y=f[i>>2]|0;if(f[y+(j>>>5<<2)>>2]&1<<(j&31)|0){F=68;break}if(g){K=I;L=v;break}if(!(f[y+(A>>>5<<2)>>2]&1<<(A&31))){F=73;break a}else{K=I;L=v}}else F=68;while(0);if((F|0)==68){F=0;if(g){F=70;break}if(!(f[(f[i>>2]|0)+(A>>>5<<2)>>2]&1<<(A&31))){K=J;L=z}else{F=70;break}}f[b>>2]=K;H=L}s=H;p=f[i>>2]|0}do if((F|0)==61){F=0;f[d>>2]=-1;F=70}else if((F|0)==73){F=0;p=f[k>>2]|0;f[p+-4>>2]=J;if((p|0)==(f[n>>2]|0)){Ri(h,d);M=f[k>>2]|0;break}else{f[p>>2]=f[d>>2];s=p+4|0;f[k>>2]=s;M=s;break}}while(0);if((F|0)==70){F=0;s=(f[k>>2]|0)+-4|0;f[k>>2]=s;M=s}N=f[h>>2]|0;O=M}else{s=m+-4|0;f[k>>2]=s;N=q;O=s}if((N|0)==(O|0))break;else{m=O;q=N}}u=c;return}function ec(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=Oa,fa=Oa,ga=Oa,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0;g=u;u=u+48|0;i=g+12|0;j=g+32|0;k=g;l=i+16|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)aq(k);q=o<<2;r=ln(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;sj(r|0,0,q|0)|0;f[p>>2]=s;s=c+48|0;q=c+40|0;o=i+4|0;t=i+12|0;v=i+8|0;w=a+40|0;x=a+64|0;y=f[e>>2]|0;e=0;z=r;A=0;B=0;C=r;D=r;E=r;while(1){r=s;F=f[r>>2]|0;G=f[r+4>>2]|0;r=q;H=un(f[r>>2]|0,f[r+4>>2]|0,y+A|0,0)|0;r=Vn(H|0,I|0,F|0,G|0)|0;G=(f[f[c>>2]>>2]|0)+r|0;r=h[G>>0]|h[G+1>>0]<<8;d[j>>1]=r;G=(r^318)&65535;a:do if(e){F=e+-1|0;H=(F&e|0)==0;if(!H)if(e>>>0>G>>>0)J=G;else J=(G>>>0)%(e>>>0)|0;else J=F&G;K=f[i>>2]|0;L=f[K+(J<<2)>>2]|0;b:do if(L|0?(M=f[L>>2]|0,M|0):0){c:do if(H){N=M;while(1){O=f[N+4>>2]|0;P=(O|0)==(G|0);if(!(P|(O&F|0)==(J|0)))break b;if(P?(d[N+8>>1]|0)==r<<16>>16:0){Q=N;break c}N=f[N>>2]|0;if(!N)break b}}else{N=M;while(1){P=f[N+4>>2]|0;if((P|0)==(G|0)){if((d[N+8>>1]|0)==r<<16>>16){Q=N;break c}}else{if(P>>>0>>0)R=P;else R=(P>>>0)%(e>>>0)|0;if((R|0)!=(J|0))break b}N=f[N>>2]|0;if(!N)break b}}while(0);f[E+(A<<2)>>2]=f[Q+12>>2];S=z;T=B;U=D;V=C;X=E;break a}while(0);if(!H)if(e>>>0>G>>>0)Y=G;else Y=(G>>>0)%(e>>>0)|0;else Y=F&G;L=f[K+(Y<<2)>>2]|0;if(!L){Z=Y;_=e;aa=0;ba=40}else{if(H){M=L;while(1){M=f[M>>2]|0;if(!M){Z=Y;_=e;aa=0;ba=40;break a}N=f[M+4>>2]|0;if(!((N|0)==(G|0)|(N&F|0)==(Y|0))){Z=Y;_=e;aa=0;ba=40;break a}if((d[M+8>>1]|0)==r<<16>>16){ba=55;break a}}}else ca=L;while(1){ca=f[ca>>2]|0;if(!ca){Z=Y;_=e;aa=0;ba=40;break a}M=f[ca+4>>2]|0;if((M|0)!=(G|0)){if(M>>>0>>0)da=M;else da=(M>>>0)%(e>>>0)|0;if((da|0)!=(Y|0)){Z=Y;_=e;aa=0;ba=40;break a}}if((d[ca+8>>1]|0)==r<<16>>16){ba=55;break}}}}else{Z=0;_=0;aa=1;ba=40}while(0);if((ba|0)==40){ba=0;L=ln(16)|0;d[L+8>>1]=r;f[L+12>>2]=B;f[L+4>>2]=G;f[L>>2]=0;ea=$(((f[t>>2]|0)+1|0)>>>0);fa=$(_>>>0);ga=$(n[l>>2]);do if(aa|$(ga*fa)>>0<3|(_+-1&_|0)!=0)&1;F=~~$(W($(ea/ga)))>>>0;Vh(i,M>>>0>>0?F:M);M=f[o>>2]|0;F=M+-1|0;if(!(F&M)){ha=M;ia=F&G;break}if(M>>>0>G>>>0){ha=M;ia=G}else{ha=M;ia=(G>>>0)%(M>>>0)|0}}else{ha=_;ia=Z}while(0);G=(f[i>>2]|0)+(ia<<2)|0;r=f[G>>2]|0;if(!r){f[L>>2]=f[v>>2];f[v>>2]=L;f[G>>2]=v;G=f[L>>2]|0;if(G|0){M=f[G+4>>2]|0;G=ha+-1|0;if(G&ha)if(M>>>0>>0)ja=M;else ja=(M>>>0)%(ha>>>0)|0;else ja=M&G;ka=(f[i>>2]|0)+(ja<<2)|0;ba=53}}else{f[L>>2]=f[r>>2];ka=r;ba=53}if((ba|0)==53){ba=0;f[ka>>2]=L}f[t>>2]=(f[t>>2]|0)+1;ba=55}if((ba|0)==55){ba=0;r=w;G=f[r>>2]|0;M=un(G|0,f[r+4>>2]|0,B|0,0)|0;kh((f[f[x>>2]>>2]|0)+M|0,j|0,G|0)|0;G=f[k>>2]|0;f[G+(A<<2)>>2]=B;S=G;T=B+1|0;U=G;V=G;X=G}G=A+1|0;la=f[m>>2]|0;if(G>>>0>=la>>>0)break;e=f[o>>2]|0;z=S;A=G;B=T;C=V;D=U;E=X}if((T|0)==(la|0))ma=V;else{V=a+84|0;if(!(b[V>>0]|0)){X=f[a+72>>2]|0;E=f[a+68>>2]|0;D=E;if((X|0)==(E|0))na=S;else{C=X-E>>2;E=0;do{X=D+(E<<2)|0;f[X>>2]=f[U+(f[X>>2]<<2)>>2];E=E+1|0}while(E>>>0>>0);na=S}}else{b[V>>0]=0;V=a+68|0;S=a+72|0;C=f[S>>2]|0;E=f[V>>2]|0;U=C-E>>2;D=E;E=C;if(la>>>0<=U>>>0)if(la>>>0>>0?(C=D+(la<<2)|0,(C|0)!=(E|0)):0){f[S>>2]=E+(~((E+-4-C|0)>>>2)<<2);oa=la}else oa=la;else{Ch(V,la-U|0,1220);oa=f[m>>2]|0}U=f[k>>2]|0;if(!oa)na=U;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[U+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);na=U}}f[m>>2]=T;ma=na}if(!ma)pa=T;else{na=f[p>>2]|0;if((na|0)!=(ma|0))f[p>>2]=na+(~((na+-4-ma|0)>>>2)<<2);Oq(ma);pa=T}}else pa=0;T=f[i+8>>2]|0;if(T|0){ma=T;do{T=ma;ma=f[ma>>2]|0;Oq(T)}while((ma|0)!=0)}ma=f[i>>2]|0;f[i>>2]=0;if(!ma){u=g;return pa|0}Oq(ma);u=g;return pa|0}function fc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=Oa,K=Oa,L=Oa,M=0,N=0,O=0,P=0;e=u;u=u+64|0;g=e+40|0;i=e+16|0;j=e;k=Id(a,c)|0;if(k|0){f[i>>2]=k;f[g>>2]=f[i>>2];lf(a,g)|0}f[j>>2]=0;k=j+4|0;f[k>>2]=0;f[j+8>>2]=0;Fi(j,4);l=f[j>>2]|0;m=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;b[l>>0]=m;b[l+1>>0]=m>>8;b[l+2>>0]=m>>16;b[l+3>>0]=m>>24;pj(i,c);c=i+12|0;f[c>>2]=0;m=i+16|0;f[m>>2]=0;f[i+20>>2]=0;l=f[k>>2]|0;d=f[j>>2]|0;o=l-d|0;if(!o){p=d;q=l;r=0}else{Fi(c,o);p=f[j>>2]|0;q=f[k>>2]|0;r=f[c>>2]|0}kh(r|0,p|0,q-p|0)|0;p=i+11|0;q=b[p>>0]|0;r=q<<24>>24<0;c=r?f[i>>2]|0:i;o=r?f[i+4>>2]|0:q&255;if(o>>>0>3){q=c;r=o;l=o;while(1){d=X(h[q>>0]|h[q+1>>0]<<8|h[q+2>>0]<<16|h[q+3>>0]<<24,1540483477)|0;r=(X(d>>>24^d,1540483477)|0)^(X(r,1540483477)|0);l=l+-4|0;if(l>>>0<=3)break;else q=q+4|0}q=o+-4|0;l=q&-4;s=q-l|0;t=c+(l+4)|0;v=r}else{s=o;t=c;v=o}switch(s|0){case 3:{w=h[t+2>>0]<<16^v;x=10;break}case 2:{w=v;x=10;break}case 1:{y=v;x=11;break}default:z=v}if((x|0)==10){y=h[t+1>>0]<<8^w;x=11}if((x|0)==11)z=X(y^h[t>>0],1540483477)|0;t=X(z>>>13^z,1540483477)|0;z=t>>>15^t;t=a+4|0;y=f[t>>2]|0;w=(y|0)==0;a:do if(!w){v=y+-1|0;s=(v&y|0)==0;if(!s)if(z>>>0>>0)A=z;else A=(z>>>0)%(y>>>0)|0;else A=z&v;r=f[(f[a>>2]|0)+(A<<2)>>2]|0;if((r|0)!=0?(l=f[r>>2]|0,(l|0)!=0):0){r=(o|0)==0;if(s){if(r){s=l;while(1){q=f[s+4>>2]|0;if(!((q|0)==(z|0)|(q&v|0)==(A|0))){B=A;x=52;break a}q=b[s+8+11>>0]|0;if(!((q<<24>>24<0?f[s+12>>2]|0:q&255)|0))break a;s=f[s>>2]|0;if(!s){B=A;x=52;break a}}}else C=l;while(1){s=f[C+4>>2]|0;if(!((s|0)==(z|0)|(s&v|0)==(A|0))){B=A;x=52;break a}s=C+8|0;q=b[s+11>>0]|0;d=q<<24>>24<0;D=q&255;do if(((d?f[C+12>>2]|0:D)|0)==(o|0)){q=f[s>>2]|0;if(d)if(!(Vk(q,c,o)|0))break a;else break;if((b[c>>0]|0)==(q&255)<<24>>24){q=s;E=D;F=c;do{E=E+-1|0;q=q+1|0;if(!E)break a;F=F+1|0}while((b[q>>0]|0)==(b[F>>0]|0))}}while(0);C=f[C>>2]|0;if(!C){B=A;x=52;break a}}}if(r){v=l;while(1){D=f[v+4>>2]|0;if((D|0)!=(z|0)){if(D>>>0>>0)G=D;else G=(D>>>0)%(y>>>0)|0;if((G|0)!=(A|0)){B=A;x=52;break a}}D=b[v+8+11>>0]|0;if(!((D<<24>>24<0?f[v+12>>2]|0:D&255)|0))break a;v=f[v>>2]|0;if(!v){B=A;x=52;break a}}}else H=l;while(1){v=f[H+4>>2]|0;if((v|0)!=(z|0)){if(v>>>0>>0)I=v;else I=(v>>>0)%(y>>>0)|0;if((I|0)!=(A|0)){B=A;x=52;break a}}v=H+8|0;r=b[v+11>>0]|0;D=r<<24>>24<0;s=r&255;do if(((D?f[H+12>>2]|0:s)|0)==(o|0)){r=f[v>>2]|0;if(D)if(!(Vk(r,c,o)|0))break a;else break;if((b[c>>0]|0)==(r&255)<<24>>24){r=v;d=s;F=c;do{d=d+-1|0;r=r+1|0;if(!d)break a;F=F+1|0}while((b[r>>0]|0)==(b[F>>0]|0))}}while(0);H=f[H>>2]|0;if(!H){B=A;x=52;break}}}else{B=A;x=52}}else{B=0;x=52}while(0);if((x|0)==52){oi(g,a,z,i);x=a+12|0;J=$(((f[x>>2]|0)+1|0)>>>0);K=$(y>>>0);L=$(n[a+16>>2]);do if(w|$(L*K)>>0<3|(y+-1&y|0)!=0)&1;H=~~$(W($(J/L)))>>>0;ei(a,A>>>0>>0?H:A);A=f[t>>2]|0;H=A+-1|0;if(!(H&A)){M=A;N=H&z;break}if(z>>>0>>0){M=A;N=z}else{M=A;N=(z>>>0)%(A>>>0)|0}}else{M=y;N=B}while(0);B=f[(f[a>>2]|0)+(N<<2)>>2]|0;if(!B){y=a+8|0;f[f[g>>2]>>2]=f[y>>2];f[y>>2]=f[g>>2];f[(f[a>>2]|0)+(N<<2)>>2]=y;y=f[g>>2]|0;N=f[y>>2]|0;if(!N)O=g;else{z=f[N+4>>2]|0;N=M+-1|0;if(N&M)if(z>>>0>>0)P=z;else P=(z>>>0)%(M>>>0)|0;else P=z&N;f[(f[a>>2]|0)+(P<<2)>>2]=y;O=g}}else{f[f[g>>2]>>2]=f[B>>2];f[B>>2]=f[g>>2];O=g}f[x>>2]=(f[x>>2]|0)+1;f[O>>2]=0}O=f[i+12>>2]|0;if(O|0){if((f[m>>2]|0)!=(O|0))f[m>>2]=O;Oq(O)}if((b[p>>0]|0)<0)Oq(f[i>>2]|0);i=f[j>>2]|0;if(!i){u=e;return}if((f[k>>2]|0)!=(i|0))f[k>>2]=i;Oq(i);u=e;return}function gc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=Oa,da=Oa,ea=Oa,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0;e=u;u=u+48|0;g=e+12|0;h=e+32|0;i=e;j=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[j>>2]=$(1.0);k=a+80|0;l=f[k>>2]|0;f[i>>2]=0;m=i+4|0;f[m>>2]=0;f[i+8>>2]=0;if(l){if(l>>>0>1073741823)aq(i);o=l<<2;p=ln(o)|0;f[i>>2]=p;q=p+(l<<2)|0;f[i+8>>2]=q;sj(p|0,0,o|0)|0;f[m>>2]=q;q=c+48|0;o=c+40|0;l=g+4|0;r=g+12|0;s=g+8|0;t=a+40|0;v=a+64|0;w=f[d>>2]|0;d=0;x=p;y=0;z=0;A=p;B=p;C=p;while(1){p=q;D=f[p>>2]|0;E=f[p+4>>2]|0;p=o;F=un(f[p>>2]|0,f[p+4>>2]|0,w+y|0,0)|0;p=Vn(F|0,I|0,D|0,E|0)|0;E=b[(f[f[c>>2]>>2]|0)+p>>0]|0;b[h>>0]=E;p=E&255^318;a:do if(d){D=d+-1|0;F=(D&d|0)==0;if(!F)if(p>>>0>>0)G=p;else G=(p>>>0)%(d>>>0)|0;else G=D&p;H=f[g>>2]|0;J=f[H+(G<<2)>>2]|0;b:do if(J|0?(K=f[J>>2]|0,K|0):0){c:do if(F){L=K;while(1){M=f[L+4>>2]|0;N=(M|0)==(p|0);if(!(N|(M&D|0)==(G|0)))break b;if(N?(b[L+8>>0]|0)==E<<24>>24:0){O=L;break c}L=f[L>>2]|0;if(!L)break b}}else{L=K;while(1){N=f[L+4>>2]|0;if((N|0)==(p|0)){if((b[L+8>>0]|0)==E<<24>>24){O=L;break c}}else{if(N>>>0>>0)P=N;else P=(N>>>0)%(d>>>0)|0;if((P|0)!=(G|0))break b}L=f[L>>2]|0;if(!L)break b}}while(0);f[C+(y<<2)>>2]=f[O+12>>2];Q=x;R=z;S=B;T=A;U=C;break a}while(0);if(!F)if(p>>>0>>0)V=p;else V=(p>>>0)%(d>>>0)|0;else V=D&p;J=f[H+(V<<2)>>2]|0;if(!J){X=V;Y=d;Z=0;_=40}else{if(F){K=J;while(1){K=f[K>>2]|0;if(!K){X=V;Y=d;Z=0;_=40;break a}L=f[K+4>>2]|0;if(!((L|0)==(p|0)|(L&D|0)==(V|0))){X=V;Y=d;Z=0;_=40;break a}if((b[K+8>>0]|0)==E<<24>>24){_=55;break a}}}else aa=J;while(1){aa=f[aa>>2]|0;if(!aa){X=V;Y=d;Z=0;_=40;break a}K=f[aa+4>>2]|0;if((K|0)!=(p|0)){if(K>>>0>>0)ba=K;else ba=(K>>>0)%(d>>>0)|0;if((ba|0)!=(V|0)){X=V;Y=d;Z=0;_=40;break a}}if((b[aa+8>>0]|0)==E<<24>>24){_=55;break}}}}else{X=0;Y=0;Z=1;_=40}while(0);if((_|0)==40){_=0;J=ln(16)|0;b[J+8>>0]=E;f[J+12>>2]=z;f[J+4>>2]=p;f[J>>2]=0;ca=$(((f[r>>2]|0)+1|0)>>>0);da=$(Y>>>0);ea=$(n[j>>2]);do if(Z|$(ea*da)>>0<3|(Y+-1&Y|0)!=0)&1;D=~~$(W($(ca/ea)))>>>0;ai(g,K>>>0>>0?D:K);K=f[l>>2]|0;D=K+-1|0;if(!(D&K)){fa=K;ga=D&p;break}if(p>>>0>>0){fa=K;ga=p}else{fa=K;ga=(p>>>0)%(K>>>0)|0}}else{fa=Y;ga=X}while(0);p=(f[g>>2]|0)+(ga<<2)|0;E=f[p>>2]|0;if(!E){f[J>>2]=f[s>>2];f[s>>2]=J;f[p>>2]=s;p=f[J>>2]|0;if(p|0){K=f[p+4>>2]|0;p=fa+-1|0;if(p&fa)if(K>>>0>>0)ha=K;else ha=(K>>>0)%(fa>>>0)|0;else ha=K&p;ia=(f[g>>2]|0)+(ha<<2)|0;_=53}}else{f[J>>2]=f[E>>2];ia=E;_=53}if((_|0)==53){_=0;f[ia>>2]=J}f[r>>2]=(f[r>>2]|0)+1;_=55}if((_|0)==55){_=0;E=t;p=f[E>>2]|0;K=un(p|0,f[E+4>>2]|0,z|0,0)|0;kh((f[f[v>>2]>>2]|0)+K|0,h|0,p|0)|0;p=f[i>>2]|0;f[p+(y<<2)>>2]=z;Q=p;R=z+1|0;S=p;T=p;U=p}p=y+1|0;ja=f[k>>2]|0;if(p>>>0>=ja>>>0)break;d=f[l>>2]|0;x=Q;y=p;z=R;A=T;B=S;C=U}if((R|0)==(ja|0))ka=T;else{T=a+84|0;if(!(b[T>>0]|0)){U=f[a+72>>2]|0;C=f[a+68>>2]|0;B=C;if((U|0)==(C|0))la=Q;else{A=U-C>>2;C=0;do{U=B+(C<<2)|0;f[U>>2]=f[S+(f[U>>2]<<2)>>2];C=C+1|0}while(C>>>0>>0);la=Q}}else{b[T>>0]=0;T=a+68|0;Q=a+72|0;A=f[Q>>2]|0;C=f[T>>2]|0;S=A-C>>2;B=C;C=A;if(ja>>>0<=S>>>0)if(ja>>>0>>0?(A=B+(ja<<2)|0,(A|0)!=(C|0)):0){f[Q>>2]=C+(~((C+-4-A|0)>>>2)<<2);ma=ja}else ma=ja;else{Ch(T,ja-S|0,1220);ma=f[k>>2]|0}S=f[i>>2]|0;if(!ma)la=S;else{i=f[a+68>>2]|0;a=0;do{f[i+(a<<2)>>2]=f[S+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);la=S}}f[k>>2]=R;ka=la}if(!ka)na=R;else{la=f[m>>2]|0;if((la|0)!=(ka|0))f[m>>2]=la+(~((la+-4-ka|0)>>>2)<<2);Oq(ka);na=R}}else na=0;R=f[g+8>>2]|0;if(R|0){ka=R;do{R=ka;ka=f[ka>>2]|0;Oq(R)}while((ka|0)!=0)}ka=f[g>>2]|0;f[g>>2]=0;if(!ka){u=e;return na|0}Oq(ka);u=e;return na|0}function hc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=Oa,ea=Oa,fa=Oa,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0;e=u;u=u+48|0;g=e+16|0;i=e+12|0;j=e;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)aq(j);p=m<<2;q=ln(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;sj(q|0,0,p|0)|0;f[o>>2]=r;r=c+48|0;p=c+40|0;m=g+4|0;s=g+12|0;t=g+8|0;v=a+40|0;w=a+64|0;x=f[d>>2]|0;d=0;y=q;z=0;A=0;B=q;C=q;D=q;while(1){q=r;E=f[q>>2]|0;F=f[q+4>>2]|0;q=p;G=un(f[q>>2]|0,f[q+4>>2]|0,x+z|0,0)|0;q=Vn(G|0,I|0,E|0,F|0)|0;F=(f[f[c>>2]>>2]|0)+q|0;q=h[F>>0]|h[F+1>>0]<<8|h[F+2>>0]<<16|h[F+3>>0]<<24;f[i>>2]=q;F=q^318;a:do if(d){E=d+-1|0;G=(E&d|0)==0;if(!G)if(F>>>0>>0)H=F;else H=(F>>>0)%(d>>>0)|0;else H=E&F;J=f[g>>2]|0;K=f[J+(H<<2)>>2]|0;b:do if(K|0?(L=f[K>>2]|0,L|0):0){c:do if(G){M=L;while(1){N=f[M+4>>2]|0;O=(N|0)==(F|0);if(!(O|(N&E|0)==(H|0)))break b;if(O?(f[M+8>>2]|0)==(q|0):0){P=M;break c}M=f[M>>2]|0;if(!M)break b}}else{M=L;while(1){O=f[M+4>>2]|0;if((O|0)==(F|0)){if((f[M+8>>2]|0)==(q|0)){P=M;break c}}else{if(O>>>0>>0)Q=O;else Q=(O>>>0)%(d>>>0)|0;if((Q|0)!=(H|0))break b}M=f[M>>2]|0;if(!M)break b}}while(0);f[D+(z<<2)>>2]=f[P+12>>2];R=y;S=A;T=C;U=B;V=D;break a}while(0);if(!G)if(F>>>0>>0)X=F;else X=(F>>>0)%(d>>>0)|0;else X=E&F;K=f[J+(X<<2)>>2]|0;if(!K){Y=X;Z=d;_=0;aa=40}else{if(G){L=K;while(1){L=f[L>>2]|0;if(!L){Y=X;Z=d;_=0;aa=40;break a}M=f[L+4>>2]|0;if(!((M|0)==(F|0)|(M&E|0)==(X|0))){Y=X;Z=d;_=0;aa=40;break a}if((f[L+8>>2]|0)==(q|0)){aa=55;break a}}}else ba=K;while(1){ba=f[ba>>2]|0;if(!ba){Y=X;Z=d;_=0;aa=40;break a}L=f[ba+4>>2]|0;if((L|0)!=(F|0)){if(L>>>0>>0)ca=L;else ca=(L>>>0)%(d>>>0)|0;if((ca|0)!=(X|0)){Y=X;Z=d;_=0;aa=40;break a}}if((f[ba+8>>2]|0)==(q|0)){aa=55;break}}}}else{Y=0;Z=0;_=1;aa=40}while(0);if((aa|0)==40){aa=0;K=ln(16)|0;f[K+8>>2]=q;f[K+12>>2]=A;f[K+4>>2]=F;f[K>>2]=0;da=$(((f[s>>2]|0)+1|0)>>>0);ea=$(Z>>>0);fa=$(n[k>>2]);do if(_|$(fa*ea)>>0<3|(Z+-1&Z|0)!=0)&1;E=~~$(W($(da/fa)))>>>0;Hi(g,L>>>0>>0?E:L);L=f[m>>2]|0;E=L+-1|0;if(!(E&L)){ga=L;ha=E&F;break}if(F>>>0>>0){ga=L;ha=F}else{ga=L;ha=(F>>>0)%(L>>>0)|0}}else{ga=Z;ha=Y}while(0);F=(f[g>>2]|0)+(ha<<2)|0;q=f[F>>2]|0;if(!q){f[K>>2]=f[t>>2];f[t>>2]=K;f[F>>2]=t;F=f[K>>2]|0;if(F|0){L=f[F+4>>2]|0;F=ga+-1|0;if(F&ga)if(L>>>0>>0)ia=L;else ia=(L>>>0)%(ga>>>0)|0;else ia=L&F;ja=(f[g>>2]|0)+(ia<<2)|0;aa=53}}else{f[K>>2]=f[q>>2];ja=q;aa=53}if((aa|0)==53){aa=0;f[ja>>2]=K}f[s>>2]=(f[s>>2]|0)+1;aa=55}if((aa|0)==55){aa=0;q=v;F=f[q>>2]|0;L=un(F|0,f[q+4>>2]|0,A|0,0)|0;kh((f[f[w>>2]>>2]|0)+L|0,i|0,F|0)|0;F=f[j>>2]|0;f[F+(z<<2)>>2]=A;R=F;S=A+1|0;T=F;U=F;V=F}F=z+1|0;ka=f[l>>2]|0;if(F>>>0>=ka>>>0)break;d=f[m>>2]|0;y=R;z=F;A=S;B=U;C=T;D=V}if((S|0)==(ka|0))la=U;else{U=a+84|0;if(!(b[U>>0]|0)){V=f[a+72>>2]|0;D=f[a+68>>2]|0;C=D;if((V|0)==(D|0))ma=R;else{B=V-D>>2;D=0;do{V=C+(D<<2)|0;f[V>>2]=f[T+(f[V>>2]<<2)>>2];D=D+1|0}while(D>>>0>>0);ma=R}}else{b[U>>0]=0;U=a+68|0;R=a+72|0;B=f[R>>2]|0;D=f[U>>2]|0;T=B-D>>2;C=D;D=B;if(ka>>>0<=T>>>0)if(ka>>>0>>0?(B=C+(ka<<2)|0,(B|0)!=(D|0)):0){f[R>>2]=D+(~((D+-4-B|0)>>>2)<<2);na=ka}else na=ka;else{Ch(U,ka-T|0,1220);na=f[l>>2]|0}T=f[j>>2]|0;if(!na)ma=T;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[T+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);ma=T}}f[l>>2]=S;la=ma}if(!la)oa=S;else{ma=f[o>>2]|0;if((ma|0)!=(la|0))f[o>>2]=ma+(~((ma+-4-la|0)>>>2)<<2);Oq(la);oa=S}}else oa=0;S=f[g+8>>2]|0;if(S|0){la=S;do{S=la;la=f[la>>2]|0;Oq(S)}while((la|0)!=0)}la=f[g>>2]|0;f[g>>2]=0;if(!la){u=e;return oa|0}Oq(la);u=e;return oa|0}function ic(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0;e=u;u=u+96|0;g=e+92|0;h=e+88|0;i=e+72|0;j=e+48|0;k=e+24|0;l=e;m=a+16|0;n=f[m>>2]|0;o=f[c>>2]|0;f[i>>2]=n;f[i+4>>2]=o;c=i+8|0;f[c>>2]=o;b[i+12>>0]=1;p=f[(f[n+28>>2]|0)+(o<<2)>>2]|0;n=a+20|0;q=f[n>>2]|0;r=f[q>>2]|0;if((f[q+4>>2]|0)-r>>2>>>0<=p>>>0)aq(q);q=a+8|0;s=f[(f[q>>2]|0)+(f[r+(p<<2)>>2]<<2)>>2]|0;p=a+4|0;r=f[p>>2]|0;if(!(b[r+84>>0]|0))t=f[(f[r+68>>2]|0)+(s<<2)>>2]|0;else t=s;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;f[j+12>>2]=0;f[j+16>>2]=0;f[j+20>>2]=0;f[h>>2]=t;t=b[r+24>>0]|0;f[g>>2]=f[h>>2];vb(r,g,t,j)|0;t=a+28|0;a=(f[t>>2]|0)==0;a:do if((o|0)!=-1){r=k+8|0;s=j+8|0;v=k+16|0;w=j+16|0;x=l+8|0;y=l+16|0;z=o;A=o;B=0;C=0;D=0;E=0;F=0;G=0;H=a;J=o;while(1){do if(H){K=J+1|0;if((J|0)!=-1){L=((K>>>0)%3|0|0)==0?J+-2|0:K;if((z|0)!=-1)if(!((z>>>0)%3|0)){M=z;N=z+2|0;O=L;P=z;break}else{M=z;N=z+-1|0;O=L;P=z;break}else{M=-1;N=-1;O=L;P=-1}}else{M=z;N=-1;O=-1;P=-1}}else{L=A+1|0;K=((L>>>0)%3|0|0)==0?A+-2|0:L;if(!((A>>>0)%3|0)){M=z;N=A+2|0;O=K;P=J;break}else{M=z;N=A+-1|0;O=K;P=J;break}}while(0);K=f[(f[(f[m>>2]|0)+28>>2]|0)+(O<<2)>>2]|0;Q=f[n>>2]|0;L=f[Q>>2]|0;if((f[Q+4>>2]|0)-L>>2>>>0<=K>>>0){R=17;break}S=f[(f[q>>2]|0)+(f[L+(K<<2)>>2]<<2)>>2]|0;K=f[p>>2]|0;if(!(b[K+84>>0]|0))T=f[(f[K+68>>2]|0)+(S<<2)>>2]|0;else T=S;f[k>>2]=0;f[k+4>>2]=0;f[k+8>>2]=0;f[k+12>>2]=0;f[k+16>>2]=0;f[k+20>>2]=0;f[h>>2]=T;S=b[K+24>>0]|0;f[g>>2]=f[h>>2];vb(K,g,S,k)|0;S=f[(f[(f[m>>2]|0)+28>>2]|0)+(N<<2)>>2]|0;U=f[n>>2]|0;K=f[U>>2]|0;if((f[U+4>>2]|0)-K>>2>>>0<=S>>>0){R=21;break}L=f[(f[q>>2]|0)+(f[K+(S<<2)>>2]<<2)>>2]|0;S=f[p>>2]|0;if(!(b[S+84>>0]|0))V=f[(f[S+68>>2]|0)+(L<<2)>>2]|0;else V=L;f[l>>2]=0;f[l+4>>2]=0;f[l+8>>2]=0;f[l+12>>2]=0;f[l+16>>2]=0;f[l+20>>2]=0;f[h>>2]=V;L=b[S+24>>0]|0;f[g>>2]=f[h>>2];vb(S,g,L,l)|0;L=k;S=j;K=f[S>>2]|0;W=f[S+4>>2]|0;S=Xn(f[L>>2]|0,f[L+4>>2]|0,K|0,W|0)|0;L=I;X=r;Y=s;Z=f[Y>>2]|0;_=f[Y+4>>2]|0;Y=Xn(f[X>>2]|0,f[X+4>>2]|0,Z|0,_|0)|0;X=I;$=v;aa=w;ba=f[aa>>2]|0;ca=f[aa+4>>2]|0;aa=Xn(f[$>>2]|0,f[$+4>>2]|0,ba|0,ca|0)|0;$=I;da=l;ea=Xn(f[da>>2]|0,f[da+4>>2]|0,K|0,W|0)|0;W=I;K=x;da=Xn(f[K>>2]|0,f[K+4>>2]|0,Z|0,_|0)|0;_=I;Z=y;K=Xn(f[Z>>2]|0,f[Z+4>>2]|0,ba|0,ca|0)|0;ca=I;ba=un(K|0,ca|0,Y|0,X|0)|0;Z=I;fa=un(da|0,_|0,aa|0,$|0)|0;ga=I;ha=un(ea|0,W|0,aa|0,$|0)|0;$=I;aa=un(K|0,ca|0,S|0,L|0)|0;ca=I;K=un(da|0,_|0,S|0,L|0)|0;L=I;S=un(ea|0,W|0,Y|0,X|0)|0;X=I;Y=Xn(B|0,C|0,fa|0,ga|0)|0;ga=Vn(Y|0,I|0,ba|0,Z|0)|0;Z=I;ba=Vn(ha|0,$|0,D|0,E|0)|0;$=Xn(ba|0,I|0,aa|0,ca|0)|0;ca=I;aa=Xn(F|0,G|0,S|0,X|0)|0;X=Vn(aa|0,I|0,K|0,L|0)|0;L=I;Pg(i);A=f[c>>2]|0;K=(f[t>>2]|0)==0;if((A|0)==-1){ia=K;ja=Z;ka=ga;la=ca;ma=$;na=L;oa=X;break a}else{z=M;B=ga;C=Z;D=$;E=ca;F=X;G=L;H=K;J=P}}if((R|0)==17)aq(Q);else if((R|0)==21)aq(U)}else{ia=a;ja=0;ka=0;la=0;ma=0;na=0;oa=0}while(0);a=(ja|0)>-1|(ja|0)==-1&ka>>>0>4294967295;U=Xn(0,0,ka|0,ja|0)|0;R=a?ja:I;Q=(la|0)>-1|(la|0)==-1&ma>>>0>4294967295;P=Xn(0,0,ma|0,la|0)|0;M=Q?la:I;t=(na|0)>-1|(na|0)==-1&oa>>>0>4294967295;c=Xn(0,0,oa|0,na|0)|0;i=Vn((Q?ma:P)|0,M|0,(t?oa:c)|0,(t?na:I)|0)|0;t=Vn(i|0,I|0,(a?ka:U)|0,R|0)|0;R=I;if(ia){if((t|0)<=536870912){pa=ka;qa=ma;ra=oa;f[d>>2]=pa;sa=d+4|0;f[sa>>2]=qa;ta=d+8|0;f[ta>>2]=ra;u=e;return}ia=Yn(t|0,R|0,29)|0;U=ia&7;ia=Ik(ka|0,ja|0,U|0,0)|0;a=Ik(ma|0,la|0,U|0,0)|0;i=Ik(oa|0,na|0,U|0,0)|0;pa=ia;qa=a;ra=i;f[d>>2]=pa;sa=d+4|0;f[sa>>2]=qa;ta=d+8|0;f[ta>>2]=ra;u=e;return}else{if(!((R|0)>0|(R|0)==0&t>>>0>536870912)){pa=ka;qa=ma;ra=oa;f[d>>2]=pa;sa=d+4|0;f[sa>>2]=qa;ta=d+8|0;f[ta>>2]=ra;u=e;return}i=Yn(t|0,R|0,29)|0;R=I;t=Ik(ka|0,ja|0,i|0,R|0)|0;ja=Ik(ma|0,la|0,i|0,R|0)|0;la=Ik(oa|0,na|0,i|0,R|0)|0;pa=t;qa=ja;ra=la;f[d>>2]=pa;sa=d+4|0;f[sa>>2]=qa;ta=d+8|0;f[ta>>2]=ra;u=e;return}}function jc(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=Oa,V=Oa,X=Oa,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0;g=u;u=u+48|0;i=g+28|0;j=g+8|0;k=g;l=g+16|0;m=i+16|0;f[i>>2]=0;f[i+4>>2]=0;f[i+8>>2]=0;f[i+12>>2]=0;n[m>>2]=$(1.0);o=a+80|0;p=f[o>>2]|0;f[l>>2]=0;q=l+4|0;f[q>>2]=0;f[l+8>>2]=0;if(p){if(p>>>0>1073741823)aq(l);r=p<<2;s=ln(r)|0;f[l>>2]=s;t=s+(p<<2)|0;f[l+8>>2]=t;sj(s|0,0,r|0)|0;f[q>>2]=t;t=f[e>>2]|0;e=c+48|0;r=c+40|0;s=i+4|0;p=i+12|0;v=i+8|0;w=a+40|0;x=a+64|0;y=0;z=0;while(1){A=e;B=f[A>>2]|0;C=f[A+4>>2]|0;A=r;D=un(f[A>>2]|0,f[A+4>>2]|0,t+y|0,0)|0;A=Vn(D|0,I|0,B|0,C|0)|0;C=(f[f[c>>2]>>2]|0)+A|0;A=C;B=h[A>>0]|h[A+1>>0]<<8|h[A+2>>0]<<16|h[A+3>>0]<<24;A=C+4|0;C=h[A>>0]|h[A+1>>0]<<8|h[A+2>>0]<<16|h[A+3>>0]<<24;A=j;f[A>>2]=B;f[A+4>>2]=C;A=k;f[A>>2]=B;f[A+4>>2]=C;C=yf(i,k)|0;if(!C){A=k;B=f[A>>2]|0;D=f[A+4>>2]|0;A=B&65535;E=Yn(B|0,D|0,16)|0;F=E&65535;G=D&65535;H=Yn(B|0,D|0,48)|0;J=H&65535;K=((((A^318)&65535)+239^E&65535)+239^D&65535)+239^H&65535;H=f[s>>2]|0;E=(H|0)==0;a:do if(!E){L=H+-1|0;M=(L&H|0)==0;if(!M)if(K>>>0>>0)N=K;else N=(K>>>0)%(H>>>0)|0;else N=K&L;O=f[(f[i>>2]|0)+(N<<2)>>2]|0;if((O|0)!=0?(P=f[O>>2]|0,(P|0)!=0):0){if(M){M=P;while(1){O=f[M+4>>2]|0;if(!((O|0)==(K|0)|(O&L|0)==(N|0))){Q=N;R=31;break a}O=M+8|0;if((((d[O>>1]|0)==A<<16>>16?(d[O+2>>1]|0)==F<<16>>16:0)?(d[M+12>>1]|0)==G<<16>>16:0)?(d[O+6>>1]|0)==J<<16>>16:0)break a;M=f[M>>2]|0;if(!M){Q=N;R=31;break a}}}else S=P;while(1){M=f[S+4>>2]|0;if((M|0)!=(K|0)){if(M>>>0>>0)T=M;else T=(M>>>0)%(H>>>0)|0;if((T|0)!=(N|0)){Q=N;R=31;break a}}M=S+8|0;if((((d[M>>1]|0)==A<<16>>16?(d[M+2>>1]|0)==F<<16>>16:0)?(d[S+12>>1]|0)==G<<16>>16:0)?(d[M+6>>1]|0)==J<<16>>16:0)break a;S=f[S>>2]|0;if(!S){Q=N;R=31;break}}}else{Q=N;R=31}}else{Q=0;R=31}while(0);if((R|0)==31){R=0;J=ln(20)|0;G=J+8|0;F=G;d[F>>1]=B;d[F+2>>1]=B>>>16;F=G+4|0;d[F>>1]=D;d[F+2>>1]=D>>>16;f[J+16>>2]=z;f[J+4>>2]=K;f[J>>2]=0;U=$(((f[p>>2]|0)+1|0)>>>0);V=$(H>>>0);X=$(n[m>>2]);do if(E|$(X*V)>>0<3|(H+-1&H|0)!=0)&1;G=~~$(W($(U/X)))>>>0;Sh(i,F>>>0>>0?G:F);F=f[s>>2]|0;G=F+-1|0;if(!(G&F)){Y=F;Z=G&K;break}if(K>>>0>>0){Y=F;Z=K}else{Y=F;Z=(K>>>0)%(F>>>0)|0}}else{Y=H;Z=Q}while(0);H=(f[i>>2]|0)+(Z<<2)|0;K=f[H>>2]|0;if(!K){f[J>>2]=f[v>>2];f[v>>2]=J;f[H>>2]=v;H=f[J>>2]|0;if(H|0){E=f[H+4>>2]|0;H=Y+-1|0;if(H&Y)if(E>>>0>>0)_=E;else _=(E>>>0)%(Y>>>0)|0;else _=E&H;aa=(f[i>>2]|0)+(_<<2)|0;R=44}}else{f[J>>2]=f[K>>2];aa=K;R=44}if((R|0)==44){R=0;f[aa>>2]=J}f[p>>2]=(f[p>>2]|0)+1}K=w;H=f[K>>2]|0;E=un(H|0,f[K+4>>2]|0,z|0,0)|0;kh((f[f[x>>2]>>2]|0)+E|0,j|0,H|0)|0;H=f[l>>2]|0;f[H+(y<<2)>>2]=z;ba=z+1|0;ca=H}else{H=f[l>>2]|0;f[H+(y<<2)>>2]=f[C+16>>2];ba=z;ca=H}y=y+1|0;da=f[o>>2]|0;if(y>>>0>=da>>>0)break;else z=ba}if((ba|0)==(da|0))ea=ca;else{z=a+84|0;if(!(b[z>>0]|0)){y=f[a+72>>2]|0;j=f[a+68>>2]|0;x=j;if((y|0)==(j|0))fa=ca;else{w=y-j>>2;j=0;do{y=x+(j<<2)|0;f[y>>2]=f[ca+(f[y>>2]<<2)>>2];j=j+1|0}while(j>>>0>>0);fa=ca}}else{b[z>>0]=0;z=a+68|0;ca=a+72|0;w=f[ca>>2]|0;j=f[z>>2]|0;x=w-j>>2;y=j;j=w;if(da>>>0<=x>>>0)if(da>>>0>>0?(w=y+(da<<2)|0,(w|0)!=(j|0)):0){f[ca>>2]=j+(~((j+-4-w|0)>>>2)<<2);ga=da}else ga=da;else{Ch(z,da-x|0,1220);ga=f[o>>2]|0}x=f[l>>2]|0;if(!ga)fa=x;else{l=f[a+68>>2]|0;a=0;do{f[l+(a<<2)>>2]=f[x+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);fa=x}}f[o>>2]=ba;ea=fa}if(!ea)ha=ba;else{fa=f[q>>2]|0;if((fa|0)!=(ea|0))f[q>>2]=fa+(~((fa+-4-ea|0)>>>2)<<2);Oq(ea);ha=ba}}else ha=0;ba=f[i+8>>2]|0;if(ba|0){ea=ba;do{ba=ea;ea=f[ea>>2]|0;Oq(ba)}while((ea|0)!=0)}ea=f[i>>2]|0;f[i>>2]=0;if(!ea){u=g;return ha|0}Oq(ea);u=g;return ha|0}function kc(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0;c=u;u=u+16|0;d=c+8|0;e=c;g=c+4|0;h=a+16|0;i=f[h>>2]|0;j=a+20|0;k=f[j>>2]|0;if((k|0)==(i|0))l=i;else{m=k+(~((k+-4-i|0)>>>2)<<2)|0;f[j>>2]=m;l=m}m=a+24|0;if((l|0)==(f[m>>2]|0)){Ri(h,b);n=f[h>>2]|0;o=f[j>>2]|0}else{f[l>>2]=f[b>>2];k=l+4|0;f[j>>2]=k;n=i;o=k}k=f[a+8>>2]|0;i=(f[k+100>>2]|0)-(f[k+96>>2]|0)|0;k=(i|0)/12|0;if((n|0)==(o|0)){u=c;return 1}n=a+28|0;l=(i|0)>0;i=a+164|0;p=a+12|0;q=a+76|0;r=a+80|0;s=a+72|0;t=a+152|0;v=a+84|0;w=a+272|0;x=a+276|0;y=a+268|0;z=a+168|0;A=a+140|0;B=a+120|0;C=o;do{o=f[C+-4>>2]|0;f[b>>2]=o;a:do if((o|0)!=-1?(D=(o>>>0)/3|0,E=f[n>>2]|0,(f[E+(D>>>5<<2)>>2]&1<<(D&31)|0)==0):0){if(l){D=0;F=E;b:while(1){E=D+1|0;f[i>>2]=(f[i>>2]|0)+1;G=f[b>>2]|0;H=(G|0)==-1?-1:(G>>>0)/3|0;G=F+(H>>>5<<2)|0;f[G>>2]=1<<(H&31)|f[G>>2];G=f[q>>2]|0;if((G|0)==(f[r>>2]|0))Ri(s,b);else{f[G>>2]=f[b>>2];f[q>>2]=G+4}G=f[b>>2]|0;if((G|0)==-1)I=-1;else I=f[(f[f[p>>2]>>2]|0)+(G<<2)>>2]|0;J=(f[(f[t>>2]|0)+(I<<2)>>2]|0)!=-1;K=(f[v>>2]|0)+(I>>>5<<2)|0;L=1<<(I&31);M=f[K>>2]|0;do if(!(M&L)){f[K>>2]=M|L;if(J){N=f[b>>2]|0;O=30;break}f[d>>2]=0;P=f[w>>2]|0;if((P|0)==(f[x>>2]|0))Ri(y,d);else{f[P>>2]=0;f[w>>2]=P+4}P=f[b>>2]|0;Q=P+1|0;if((P|0)!=-1?(R=((Q>>>0)%3|0|0)==0?P+-2|0:Q,(R|0)!=-1):0)S=f[(f[(f[p>>2]|0)+12>>2]|0)+(R<<2)>>2]|0;else S=-1;f[b>>2]=S}else{N=G;O=30}while(0);if((O|0)==30){O=0;G=N+1|0;if((N|0)==-1){O=35;break}L=((G>>>0)%3|0|0)==0?N+-2|0:G;if((L|0)==-1)T=-1;else T=f[(f[(f[p>>2]|0)+12>>2]|0)+(L<<2)>>2]|0;f[e>>2]=T;L=(((N>>>0)%3|0|0)==0?2:-1)+N|0;if((L|0)==-1)U=-1;else U=f[(f[(f[p>>2]|0)+12>>2]|0)+(L<<2)>>2]|0;L=(T|0)==-1;M=L?-1:(T>>>0)/3|0;V=(U|0)==-1;W=V?-1:(U>>>0)/3|0;K=((G>>>0)%3|0|0)==0?N+-2|0:G;if(((K|0)!=-1?(G=f[(f[p>>2]|0)+12>>2]|0,R=f[G+(K<<2)>>2]|0,(R|0)!=-1):0)?(K=(R>>>0)/3|0,R=f[n>>2]|0,(f[R+(K>>>5<<2)>>2]&1<<(K&31)|0)==0):0){K=(((N>>>0)%3|0|0)==0?2:-1)+N|0;do if((K|0)!=-1){Q=f[G+(K<<2)>>2]|0;if((Q|0)==-1)break;P=(Q>>>0)/3|0;if(!(f[R+(P>>>5<<2)>>2]&1<<(P&31))){O=63;break b}}while(0);if(!V)xf(a,f[i>>2]|0,H,0,W);f[d>>2]=3;R=f[w>>2]|0;if((R|0)==(f[x>>2]|0))Ri(y,d);else{f[R>>2]=3;f[w>>2]=R+4}X=f[e>>2]|0}else{if(!L){xf(a,f[i>>2]|0,H,1,M);R=f[b>>2]|0;if((R|0)==-1){O=44;break}else Y=R}else Y=N;R=(((Y>>>0)%3|0|0)==0?2:-1)+Y|0;if((R|0)==-1){O=44;break}K=f[(f[(f[p>>2]|0)+12>>2]|0)+(R<<2)>>2]|0;if((K|0)==-1){O=44;break}R=(K>>>0)/3|0;if(f[(f[n>>2]|0)+(R>>>5<<2)>>2]&1<<(R&31)|0){O=44;break}f[d>>2]=5;R=f[w>>2]|0;if((R|0)==(f[x>>2]|0))Ri(y,d);else{f[R>>2]=5;f[w>>2]=R+4}X=U}f[b>>2]=X}if((E|0)>=(k|0))break a;D=E;F=f[n>>2]|0}do if((O|0)==35){O=0;f[e>>2]=-1;O=46}else if((O|0)==44){O=0;if(V)O=46;else{xf(a,f[i>>2]|0,H,0,W);O=46}}else if((O|0)==63){O=0;f[d>>2]=1;F=f[w>>2]|0;if((F|0)==(f[x>>2]|0))Ri(y,d);else{f[F>>2]=1;f[w>>2]=F+4}f[z>>2]=(f[z>>2]|0)+1;if(J?(F=f[(f[t>>2]|0)+(I<<2)>>2]|0,(1<<(F&31)&f[(f[A>>2]|0)+(F>>>5<<2)>>2]|0)==0):0){f[g>>2]=f[b>>2];f[d>>2]=f[g>>2];Pe(a,d,0)|0}F=f[i>>2]|0;f[d>>2]=H;D=je(B,d)|0;f[D>>2]=F;F=f[j>>2]|0;f[F+-4>>2]=U;if((F|0)==(f[m>>2]|0)){Ri(h,e);break}else{f[F>>2]=f[e>>2];f[j>>2]=F+4;break}}while(0);if((O|0)==46){O=0;f[d>>2]=7;F=f[w>>2]|0;if((F|0)==(f[x>>2]|0))Ri(y,d);else{f[F>>2]=7;f[w>>2]=F+4}f[j>>2]=(f[j>>2]|0)+-4}}}else O=11;while(0);if((O|0)==11){O=0;f[j>>2]=C+-4}C=f[j>>2]|0}while((f[h>>2]|0)!=(C|0));u=c;return 1}function lc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=Oa,V=Oa,X=Oa,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0;e=u;u=u+48|0;g=e+20|0;i=e+16|0;j=e+12|0;k=e;l=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)aq(k);q=o<<2;r=ln(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;sj(r|0,0,q|0)|0;f[p>>2]=s;s=f[d>>2]|0;d=c+48|0;q=c+40|0;r=g+4|0;o=g+12|0;t=g+8|0;v=a+40|0;w=a+64|0;x=0;y=0;while(1){z=d;A=f[z>>2]|0;B=f[z+4>>2]|0;z=q;C=un(f[z>>2]|0,f[z+4>>2]|0,s+x|0,0)|0;z=Vn(C|0,I|0,A|0,B|0)|0;B=(f[f[c>>2]>>2]|0)+z|0;z=h[B>>0]|h[B+1>>0]<<8|h[B+2>>0]<<16|h[B+3>>0]<<24;f[i>>2]=z;f[j>>2]=z;z=Ef(g,j)|0;if(!z){B=f[j>>2]|0;A=B&255;C=B>>>8;D=C&255;E=B>>>16;F=E&255;G=B>>>24;H=G&255;J=C&255;C=E&255;E=(((B&255^318)+239^J)+239^C)+239^G;G=f[r>>2]|0;K=(G|0)==0;a:do if(!K){L=G+-1|0;M=(L&G|0)==0;if(!M)if(E>>>0>>0)N=E;else N=(E>>>0)%(G>>>0)|0;else N=E&L;O=f[(f[g>>2]|0)+(N<<2)>>2]|0;if((O|0)!=0?(P=f[O>>2]|0,(P|0)!=0):0){if(M){M=P;while(1){O=f[M+4>>2]|0;if(!((O|0)==(E|0)|(O&L|0)==(N|0))){Q=N;R=31;break a}O=M+8|0;if((((b[O>>0]|0)==A<<24>>24?(b[O+1>>0]|0)==D<<24>>24:0)?(b[O+2>>0]|0)==F<<24>>24:0)?(b[O+3>>0]|0)==H<<24>>24:0)break a;M=f[M>>2]|0;if(!M){Q=N;R=31;break a}}}else S=P;while(1){M=f[S+4>>2]|0;if((M|0)!=(E|0)){if(M>>>0>>0)T=M;else T=(M>>>0)%(G>>>0)|0;if((T|0)!=(N|0)){Q=N;R=31;break a}}M=S+8|0;if((((b[M>>0]|0)==A<<24>>24?(b[M+1>>0]|0)==D<<24>>24:0)?(b[M+2>>0]|0)==F<<24>>24:0)?(b[M+3>>0]|0)==H<<24>>24:0)break a;S=f[S>>2]|0;if(!S){Q=N;R=31;break}}}else{Q=N;R=31}}else{Q=0;R=31}while(0);if((R|0)==31){R=0;H=ln(16)|0;F=H+8|0;D=B&-16776961|C<<16|J<<8;b[F>>0]=D;b[F+1>>0]=D>>8;b[F+2>>0]=D>>16;b[F+3>>0]=D>>24;f[H+12>>2]=y;f[H+4>>2]=E;f[H>>2]=0;U=$(((f[o>>2]|0)+1|0)>>>0);V=$(G>>>0);X=$(n[l>>2]);do if(K|$(X*V)>>0<3|(G+-1&G|0)!=0)&1;F=~~$(W($(U/X)))>>>0;Zh(g,D>>>0>>0?F:D);D=f[r>>2]|0;F=D+-1|0;if(!(F&D)){Y=D;Z=F&E;break}if(E>>>0>>0){Y=D;Z=E}else{Y=D;Z=(E>>>0)%(D>>>0)|0}}else{Y=G;Z=Q}while(0);G=(f[g>>2]|0)+(Z<<2)|0;E=f[G>>2]|0;if(!E){f[H>>2]=f[t>>2];f[t>>2]=H;f[G>>2]=t;G=f[H>>2]|0;if(G|0){K=f[G+4>>2]|0;G=Y+-1|0;if(G&Y)if(K>>>0>>0)_=K;else _=(K>>>0)%(Y>>>0)|0;else _=K&G;aa=(f[g>>2]|0)+(_<<2)|0;R=44}}else{f[H>>2]=f[E>>2];aa=E;R=44}if((R|0)==44){R=0;f[aa>>2]=H}f[o>>2]=(f[o>>2]|0)+1}E=v;G=f[E>>2]|0;K=un(G|0,f[E+4>>2]|0,y|0,0)|0;kh((f[f[w>>2]>>2]|0)+K|0,i|0,G|0)|0;G=f[k>>2]|0;f[G+(x<<2)>>2]=y;ba=y+1|0;ca=G}else{G=f[k>>2]|0;f[G+(x<<2)>>2]=f[z+12>>2];ba=y;ca=G}x=x+1|0;da=f[m>>2]|0;if(x>>>0>=da>>>0)break;else y=ba}if((ba|0)==(da|0))ea=ca;else{y=a+84|0;if(!(b[y>>0]|0)){x=f[a+72>>2]|0;i=f[a+68>>2]|0;w=i;if((x|0)==(i|0))fa=ca;else{v=x-i>>2;i=0;do{x=w+(i<<2)|0;f[x>>2]=f[ca+(f[x>>2]<<2)>>2];i=i+1|0}while(i>>>0>>0);fa=ca}}else{b[y>>0]=0;y=a+68|0;ca=a+72|0;v=f[ca>>2]|0;i=f[y>>2]|0;w=v-i>>2;x=i;i=v;if(da>>>0<=w>>>0)if(da>>>0>>0?(v=x+(da<<2)|0,(v|0)!=(i|0)):0){f[ca>>2]=i+(~((i+-4-v|0)>>>2)<<2);ga=da}else ga=da;else{Ch(y,da-w|0,1220);ga=f[m>>2]|0}w=f[k>>2]|0;if(!ga)fa=w;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[w+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);fa=w}}f[m>>2]=ba;ea=fa}if(!ea)ha=ba;else{fa=f[p>>2]|0;if((fa|0)!=(ea|0))f[p>>2]=fa+(~((fa+-4-ea|0)>>>2)<<2);Oq(ea);ha=ba}}else ha=0;ba=f[g+8>>2]|0;if(ba|0){ea=ba;do{ba=ea;ea=f[ea>>2]|0;Oq(ba)}while((ea|0)!=0)}ea=f[g>>2]|0;f[g>>2]=0;if(!ea){u=e;return ha|0}Oq(ea);u=e;return ha|0}function mc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=Oa,V=Oa,X=Oa,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0;e=u;u=u+80|0;g=e+48|0;h=e+32|0;i=e+16|0;j=e;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)aq(j);p=m<<2;q=ln(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;sj(q|0,0,p|0)|0;f[o>>2]=r;r=f[d>>2]|0;d=c+48|0;p=c+40|0;q=i+4|0;m=i+8|0;s=i+12|0;t=g+4|0;v=g+12|0;w=g+8|0;x=a+40|0;y=a+64|0;z=0;A=0;while(1){B=d;C=f[B>>2]|0;D=f[B+4>>2]|0;B=p;E=un(f[B>>2]|0,f[B+4>>2]|0,r+A|0,0)|0;B=Vn(E|0,I|0,C|0,D|0)|0;D=(f[f[c>>2]>>2]|0)+B|0;B=h;C=D;E=B+16|0;do{b[B>>0]=b[C>>0]|0;B=B+1|0;C=C+1|0}while((B|0)<(E|0));im(i|0,D|0,16)|0;C=Vf(g,i)|0;if(!C){B=f[i>>2]|0;E=f[q>>2]|0;F=f[m>>2]|0;G=f[s>>2]|0;H=(((B^318)+239^E)+239^F)+239^G;J=f[t>>2]|0;K=(J|0)==0;a:do if(!K){L=J+-1|0;M=(L&J|0)==0;if(!M)if(H>>>0>>0)N=H;else N=(H>>>0)%(J>>>0)|0;else N=H&L;O=f[(f[g>>2]|0)+(N<<2)>>2]|0;if((O|0)!=0?(P=f[O>>2]|0,(P|0)!=0):0){if(M){M=P;while(1){O=f[M+4>>2]|0;if(!((O|0)==(H|0)|(O&L|0)==(N|0))){Q=N;R=31;break a}if((((f[M+8>>2]|0)==(B|0)?(f[M+12>>2]|0)==(E|0):0)?(f[M+16>>2]|0)==(F|0):0)?(f[M+20>>2]|0)==(G|0):0)break a;M=f[M>>2]|0;if(!M){Q=N;R=31;break a}}}else S=P;while(1){M=f[S+4>>2]|0;if((M|0)!=(H|0)){if(M>>>0>>0)T=M;else T=(M>>>0)%(J>>>0)|0;if((T|0)!=(N|0)){Q=N;R=31;break a}}if((((f[S+8>>2]|0)==(B|0)?(f[S+12>>2]|0)==(E|0):0)?(f[S+16>>2]|0)==(F|0):0)?(f[S+20>>2]|0)==(G|0):0)break a;S=f[S>>2]|0;if(!S){Q=N;R=31;break}}}else{Q=N;R=31}}else{Q=0;R=31}while(0);if((R|0)==31){R=0;D=ln(28)|0;f[D+8>>2]=B;f[D+12>>2]=E;f[D+16>>2]=F;f[D+20>>2]=G;f[D+24>>2]=z;f[D+4>>2]=H;f[D>>2]=0;U=$(((f[v>>2]|0)+1|0)>>>0);V=$(J>>>0);X=$(n[k>>2]);do if(K|$(X*V)>>0<3|(J+-1&J|0)!=0)&1;M=~~$(W($(U/X)))>>>0;Wh(g,P>>>0>>0?M:P);P=f[t>>2]|0;M=P+-1|0;if(!(M&P)){Y=P;Z=M&H;break}if(H>>>0

>>0){Y=P;Z=H}else{Y=P;Z=(H>>>0)%(P>>>0)|0}}else{Y=J;Z=Q}while(0);J=(f[g>>2]|0)+(Z<<2)|0;H=f[J>>2]|0;if(!H){f[D>>2]=f[w>>2];f[w>>2]=D;f[J>>2]=w;J=f[D>>2]|0;if(J|0){K=f[J+4>>2]|0;J=Y+-1|0;if(J&Y)if(K>>>0>>0)_=K;else _=(K>>>0)%(Y>>>0)|0;else _=K&J;aa=(f[g>>2]|0)+(_<<2)|0;R=44}}else{f[D>>2]=f[H>>2];aa=H;R=44}if((R|0)==44){R=0;f[aa>>2]=D}f[v>>2]=(f[v>>2]|0)+1}H=x;J=f[H>>2]|0;K=un(J|0,f[H+4>>2]|0,z|0,0)|0;kh((f[f[y>>2]>>2]|0)+K|0,h|0,J|0)|0;J=f[j>>2]|0;f[J+(A<<2)>>2]=z;ba=z+1|0;ca=J}else{J=f[j>>2]|0;f[J+(A<<2)>>2]=f[C+24>>2];ba=z;ca=J}A=A+1|0;da=f[l>>2]|0;if(A>>>0>=da>>>0)break;else z=ba}if((ba|0)==(da|0))ea=ca;else{z=a+84|0;if(!(b[z>>0]|0)){A=f[a+72>>2]|0;h=f[a+68>>2]|0;y=h;if((A|0)==(h|0))fa=ca;else{x=A-h>>2;h=0;do{A=y+(h<<2)|0;f[A>>2]=f[ca+(f[A>>2]<<2)>>2];h=h+1|0}while(h>>>0>>0);fa=ca}}else{b[z>>0]=0;z=a+68|0;ca=a+72|0;x=f[ca>>2]|0;h=f[z>>2]|0;y=x-h>>2;A=h;h=x;if(da>>>0<=y>>>0)if(da>>>0>>0?(x=A+(da<<2)|0,(x|0)!=(h|0)):0){f[ca>>2]=h+(~((h+-4-x|0)>>>2)<<2);ga=da}else ga=da;else{Ch(z,da-y|0,1220);ga=f[l>>2]|0}y=f[j>>2]|0;if(!ga)fa=y;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[y+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);fa=y}}f[l>>2]=ba;ea=fa}if(!ea)ha=ba;else{fa=f[o>>2]|0;if((fa|0)!=(ea|0))f[o>>2]=fa+(~((fa+-4-ea|0)>>>2)<<2);Oq(ea);ha=ba}}else ha=0;ba=f[g+8>>2]|0;if(ba|0){ea=ba;do{ba=ea;ea=f[ea>>2]|0;Oq(ba)}while((ea|0)!=0)}ea=f[g>>2]|0;f[g>>2]=0;if(!ea){u=e;return ha|0}Oq(ea);u=e;return ha|0}function nc(a,c,e){a=a|0;c=c|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=Oa,T=Oa,U=Oa,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0;g=u;u=u+48|0;h=g+12|0;i=g+38|0;j=g+32|0;k=g;l=h+16|0;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;f[h+12>>2]=0;n[l>>2]=$(1.0);m=a+80|0;o=f[m>>2]|0;f[k>>2]=0;p=k+4|0;f[p>>2]=0;f[k+8>>2]=0;if(o){if(o>>>0>1073741823)aq(k);q=o<<2;r=ln(q)|0;f[k>>2]=r;s=r+(o<<2)|0;f[k+8>>2]=s;sj(r|0,0,q|0)|0;f[p>>2]=s;s=f[e>>2]|0;e=c+48|0;q=c+40|0;r=j+2|0;o=j+4|0;t=h+4|0;v=h+12|0;w=h+8|0;x=a+40|0;y=a+64|0;z=0;A=0;while(1){B=e;C=f[B>>2]|0;D=f[B+4>>2]|0;B=q;E=un(f[B>>2]|0,f[B+4>>2]|0,s+A|0,0)|0;B=Vn(E|0,I|0,C|0,D|0)|0;D=(f[f[c>>2]>>2]|0)+B|0;b[i>>0]=b[D>>0]|0;b[i+1>>0]=b[D+1>>0]|0;b[i+2>>0]=b[D+2>>0]|0;b[i+3>>0]=b[D+3>>0]|0;b[i+4>>0]=b[D+4>>0]|0;b[i+5>>0]=b[D+5>>0]|0;im(j|0,D|0,6)|0;D=dg(h,j)|0;if(!D){B=d[j>>1]|0;C=d[r>>1]|0;E=d[o>>1]|0;F=(((B^318)&65535)+239^C&65535)+239^E&65535;G=f[t>>2]|0;H=(G|0)==0;a:do if(!H){J=G+-1|0;K=(J&G|0)==0;if(!K)if(F>>>0>>0)L=F;else L=(F>>>0)%(G>>>0)|0;else L=F&J;M=f[(f[h>>2]|0)+(L<<2)>>2]|0;if((M|0)!=0?(N=f[M>>2]|0,(N|0)!=0):0){if(K){K=N;while(1){M=f[K+4>>2]|0;if(!((M|0)==(F|0)|(M&J|0)==(L|0))){O=L;P=29;break a}M=K+8|0;if(((d[M>>1]|0)==B<<16>>16?(d[M+2>>1]|0)==C<<16>>16:0)?(d[K+12>>1]|0)==E<<16>>16:0)break a;K=f[K>>2]|0;if(!K){O=L;P=29;break a}}}else Q=N;while(1){K=f[Q+4>>2]|0;if((K|0)!=(F|0)){if(K>>>0>>0)R=K;else R=(K>>>0)%(G>>>0)|0;if((R|0)!=(L|0)){O=L;P=29;break a}}K=Q+8|0;if(((d[K>>1]|0)==B<<16>>16?(d[K+2>>1]|0)==C<<16>>16:0)?(d[Q+12>>1]|0)==E<<16>>16:0)break a;Q=f[Q>>2]|0;if(!Q){O=L;P=29;break}}}else{O=L;P=29}}else{O=0;P=29}while(0);if((P|0)==29){P=0;N=ln(20)|0;d[N+8>>1]=B;d[N+10>>1]=C;d[N+12>>1]=E;f[N+16>>2]=z;f[N+4>>2]=F;f[N>>2]=0;S=$(((f[v>>2]|0)+1|0)>>>0);T=$(G>>>0);U=$(n[l>>2]);do if(H|$(U*T)>>0<3|(G+-1&G|0)!=0)&1;J=~~$(W($(S/U)))>>>0;Th(h,K>>>0>>0?J:K);K=f[t>>2]|0;J=K+-1|0;if(!(J&K)){V=K;X=J&F;break}if(F>>>0>>0){V=K;X=F}else{V=K;X=(F>>>0)%(K>>>0)|0}}else{V=G;X=O}while(0);G=(f[h>>2]|0)+(X<<2)|0;F=f[G>>2]|0;if(!F){f[N>>2]=f[w>>2];f[w>>2]=N;f[G>>2]=w;G=f[N>>2]|0;if(G|0){H=f[G+4>>2]|0;G=V+-1|0;if(G&V)if(H>>>0>>0)Y=H;else Y=(H>>>0)%(V>>>0)|0;else Y=H&G;Z=(f[h>>2]|0)+(Y<<2)|0;P=42}}else{f[N>>2]=f[F>>2];Z=F;P=42}if((P|0)==42){P=0;f[Z>>2]=N}f[v>>2]=(f[v>>2]|0)+1}F=x;G=f[F>>2]|0;H=un(G|0,f[F+4>>2]|0,z|0,0)|0;kh((f[f[y>>2]>>2]|0)+H|0,i|0,G|0)|0;G=f[k>>2]|0;f[G+(A<<2)>>2]=z;_=z+1|0;aa=G}else{G=f[k>>2]|0;f[G+(A<<2)>>2]=f[D+16>>2];_=z;aa=G}A=A+1|0;ba=f[m>>2]|0;if(A>>>0>=ba>>>0)break;else z=_}if((_|0)==(ba|0))ca=aa;else{z=a+84|0;if(!(b[z>>0]|0)){A=f[a+72>>2]|0;i=f[a+68>>2]|0;y=i;if((A|0)==(i|0))da=aa;else{x=A-i>>2;i=0;do{A=y+(i<<2)|0;f[A>>2]=f[aa+(f[A>>2]<<2)>>2];i=i+1|0}while(i>>>0>>0);da=aa}}else{b[z>>0]=0;z=a+68|0;aa=a+72|0;x=f[aa>>2]|0;i=f[z>>2]|0;y=x-i>>2;A=i;i=x;if(ba>>>0<=y>>>0)if(ba>>>0>>0?(x=A+(ba<<2)|0,(x|0)!=(i|0)):0){f[aa>>2]=i+(~((i+-4-x|0)>>>2)<<2);ea=ba}else ea=ba;else{Ch(z,ba-y|0,1220);ea=f[m>>2]|0}y=f[k>>2]|0;if(!ea)da=y;else{k=f[a+68>>2]|0;a=0;do{f[k+(a<<2)>>2]=f[y+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);da=y}}f[m>>2]=_;ca=da}if(!ca)fa=_;else{da=f[p>>2]|0;if((da|0)!=(ca|0))f[p>>2]=da+(~((da+-4-ca|0)>>>2)<<2);Oq(ca);fa=_}}else fa=0;_=f[h+8>>2]|0;if(_|0){ca=_;do{_=ca;ca=f[ca>>2]|0;Oq(_)}while((ca|0)!=0)}ca=f[h>>2]|0;f[h>>2]=0;if(!ca){u=g;return fa|0}Oq(ca);u=g;return fa|0}function oc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0,_=0;g=a+8|0;Mh(g,b,d,e);d=f[a+48>>2]|0;h=f[a+52>>2]|0;i=e>>>0>1073741823?-1:e<<2;j=Lq(i)|0;sj(j|0,0,i|0)|0;k=Lq(i)|0;sj(k|0,0,i|0)|0;i=f[a+56>>2]|0;l=i+4|0;m=f[l>>2]|0;n=f[i>>2]|0;o=m-n|0;a:do if((o|0)>4){p=o>>2;q=(e|0)>0;r=a+16|0;s=a+32|0;t=a+12|0;u=a+28|0;v=a+20|0;w=a+24|0;x=d+12|0;y=e<<2;z=p+-1|0;if(m-n>>2>>>0>z>>>0){A=p;B=z;C=n}else aq(i);while(1){z=f[C+(B<<2)>>2]|0;if(q)sj(j|0,0,y|0)|0;if((z|0)!=-1){p=f[x>>2]|0;D=0;E=z;while(1){F=f[p+(E<<2)>>2]|0;if((F|0)!=-1){G=f[d>>2]|0;H=f[h>>2]|0;I=f[H+(f[G+(F<<2)>>2]<<2)>>2]|0;J=F+1|0;K=((J>>>0)%3|0|0)==0?F+-2|0:J;if((K|0)==-1)L=-1;else L=f[G+(K<<2)>>2]|0;K=f[H+(L<<2)>>2]|0;J=(((F>>>0)%3|0|0)==0?2:-1)+F|0;if((J|0)==-1)M=-1;else M=f[G+(J<<2)>>2]|0;J=f[H+(M<<2)>>2]|0;if((I|0)<(B|0)&(K|0)<(B|0)&(J|0)<(B|0)){H=X(I,e)|0;I=X(K,e)|0;K=X(J,e)|0;if(q){J=0;do{f[k+(J<<2)>>2]=(f[b+(J+K<<2)>>2]|0)+(f[b+(J+I<<2)>>2]|0)-(f[b+(J+H<<2)>>2]|0);J=J+1|0}while((J|0)!=(e|0));if(q){J=0;do{H=j+(J<<2)|0;f[H>>2]=(f[H>>2]|0)+(f[k+(J<<2)>>2]|0);J=J+1|0}while((J|0)!=(e|0))}}N=D+1|0}else N=D}else N=D;J=(((E>>>0)%3|0|0)==0?2:-1)+E|0;do if((J|0)!=-1?(H=f[p+(J<<2)>>2]|0,(H|0)!=-1):0)if(!((H>>>0)%3|0)){O=H+2|0;break}else{O=H+-1|0;break}else O=-1;while(0);E=(O|0)==(z|0)?-1:O;if((E|0)==-1)break;else D=N}D=X(B,e)|0;if(N){if(q){E=0;do{z=j+(E<<2)|0;f[z>>2]=(f[z>>2]|0)/(N|0)|0;E=E+1|0}while((E|0)!=(e|0))}E=b+(D<<2)|0;z=c+(D<<2)|0;p=f[g>>2]|0;if((p|0)>0){J=0;H=j;I=p;while(1){if((I|0)>0){p=0;do{K=f[H+(p<<2)>>2]|0;G=f[r>>2]|0;if((K|0)>(G|0)){F=f[s>>2]|0;f[F+(p<<2)>>2]=G;P=F}else{F=f[t>>2]|0;G=f[s>>2]|0;f[G+(p<<2)>>2]=(K|0)<(F|0)?F:K;P=G}p=p+1|0}while((p|0)<(f[g>>2]|0));Q=P}else Q=f[s>>2]|0;p=(f[E+(J<<2)>>2]|0)-(f[Q+(J<<2)>>2]|0)|0;G=z+(J<<2)|0;f[G>>2]=p;if((p|0)>=(f[u>>2]|0)){if((p|0)>(f[w>>2]|0)){R=p-(f[v>>2]|0)|0;S=57}}else{R=(f[v>>2]|0)+p|0;S=57}if((S|0)==57){S=0;f[G>>2]=R}J=J+1|0;I=f[g>>2]|0;if((J|0)>=(I|0))break;else H=Q}}}else{T=D;S=30}}else{T=X(B,e)|0;S=30}if((S|0)==30?(S=0,H=b+(T<<2)|0,I=c+(T<<2)|0,J=f[g>>2]|0,(J|0)>0):0){z=0;E=b+((X(A+-2|0,e)|0)<<2)|0;G=J;while(1){if((G|0)>0){J=0;do{p=f[E+(J<<2)>>2]|0;K=f[r>>2]|0;if((p|0)>(K|0)){F=f[s>>2]|0;f[F+(J<<2)>>2]=K;U=F}else{F=f[t>>2]|0;K=f[s>>2]|0;f[K+(J<<2)>>2]=(p|0)<(F|0)?F:p;U=K}J=J+1|0}while((J|0)<(f[g>>2]|0));V=U}else V=f[s>>2]|0;J=(f[H+(z<<2)>>2]|0)-(f[V+(z<<2)>>2]|0)|0;K=I+(z<<2)|0;f[K>>2]=J;if((J|0)>=(f[u>>2]|0)){if((J|0)>(f[w>>2]|0)){W=J-(f[v>>2]|0)|0;S=42}}else{W=(f[v>>2]|0)+J|0;S=42}if((S|0)==42){S=0;f[K>>2]=W}z=z+1|0;G=f[g>>2]|0;if((z|0)>=(G|0))break;else E=V}}if((A|0)<=2)break a;C=f[i>>2]|0;E=B+-1|0;if((f[l>>2]|0)-C>>2>>>0<=E>>>0)break;else{G=B;B=E;A=G}}aq(i)}while(0);if((e|0)>0)sj(j|0,0,e<<2|0)|0;e=f[g>>2]|0;if((e|0)<=0){Mq(k);Mq(j);return 1}i=a+16|0;A=a+32|0;B=a+12|0;C=a+28|0;l=a+20|0;V=a+24|0;a=0;W=j;U=e;while(1){if((U|0)>0){e=0;do{T=f[W+(e<<2)>>2]|0;Q=f[i>>2]|0;if((T|0)>(Q|0)){R=f[A>>2]|0;f[R+(e<<2)>>2]=Q;Y=R}else{R=f[B>>2]|0;Q=f[A>>2]|0;f[Q+(e<<2)>>2]=(T|0)<(R|0)?R:T;Y=Q}e=e+1|0}while((e|0)<(f[g>>2]|0));Z=Y}else Z=f[A>>2]|0;e=(f[b+(a<<2)>>2]|0)-(f[Z+(a<<2)>>2]|0)|0;Q=c+(a<<2)|0;f[Q>>2]=e;if((e|0)>=(f[C>>2]|0)){if((e|0)>(f[V>>2]|0)){_=e-(f[l>>2]|0)|0;S=72}}else{_=(f[l>>2]|0)+e|0;S=72}if((S|0)==72){S=0;f[Q>>2]=_}a=a+1|0;U=f[g>>2]|0;if((a|0)>=(U|0))break;else W=Z}Mq(k);Mq(j);return 1}function pc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,Y=0,Z=0;g=a+8|0;Mh(g,b,d,e);d=f[a+48>>2]|0;h=f[a+52>>2]|0;i=e>>>0>1073741823?-1:e<<2;j=Lq(i)|0;sj(j|0,0,i|0)|0;k=Lq(i)|0;sj(k|0,0,i|0)|0;i=f[a+56>>2]|0;l=i+4|0;m=f[l>>2]|0;n=f[i>>2]|0;o=m-n|0;a:do if((o|0)>4){p=o>>2;q=(e|0)>0;r=a+16|0;s=a+32|0;t=a+12|0;u=a+28|0;v=a+20|0;w=a+24|0;x=d+64|0;y=d+28|0;z=e<<2;A=p+-1|0;if(m-n>>2>>>0>A>>>0){B=p;C=A;D=n}else aq(i);while(1){A=f[D+(C<<2)>>2]|0;if(q)sj(j|0,0,z|0)|0;if((A|0)!=-1){p=f[d>>2]|0;E=0;F=A;while(1){if(((f[p+(F>>>5<<2)>>2]&1<<(F&31)|0)==0?(G=f[(f[(f[x>>2]|0)+12>>2]|0)+(F<<2)>>2]|0,(G|0)!=-1):0)?(H=f[y>>2]|0,I=f[h>>2]|0,J=f[I+(f[H+(G<<2)>>2]<<2)>>2]|0,K=G+1|0,L=f[I+(f[H+((((K>>>0)%3|0|0)==0?G+-2|0:K)<<2)>>2]<<2)>>2]|0,K=f[I+(f[H+((((G>>>0)%3|0|0)==0?2:-1)+G<<2)>>2]<<2)>>2]|0,(J|0)<(C|0)&(L|0)<(C|0)&(K|0)<(C|0)):0){G=X(J,e)|0;J=X(L,e)|0;L=X(K,e)|0;if(q){K=0;do{f[k+(K<<2)>>2]=(f[b+(K+L<<2)>>2]|0)+(f[b+(K+J<<2)>>2]|0)-(f[b+(K+G<<2)>>2]|0);K=K+1|0}while((K|0)!=(e|0));if(q){K=0;do{G=j+(K<<2)|0;f[G>>2]=(f[G>>2]|0)+(f[k+(K<<2)>>2]|0);K=K+1|0}while((K|0)!=(e|0))}}M=E+1|0}else M=E;K=(((F>>>0)%3|0|0)==0?2:-1)+F|0;do if(((K|0)!=-1?(f[p+(K>>>5<<2)>>2]&1<<(K&31)|0)==0:0)?(G=f[(f[(f[x>>2]|0)+12>>2]|0)+(K<<2)>>2]|0,(G|0)!=-1):0)if(!((G>>>0)%3|0)){N=G+2|0;break}else{N=G+-1|0;break}else N=-1;while(0);F=(N|0)==(A|0)?-1:N;if((F|0)==-1)break;else E=M}E=X(C,e)|0;if(M){if(q){F=0;do{A=j+(F<<2)|0;f[A>>2]=(f[A>>2]|0)/(M|0)|0;F=F+1|0}while((F|0)!=(e|0))}F=b+(E<<2)|0;A=c+(E<<2)|0;p=f[g>>2]|0;if((p|0)>0){K=0;G=j;J=p;while(1){if((J|0)>0){p=0;do{L=f[G+(p<<2)>>2]|0;H=f[r>>2]|0;if((L|0)>(H|0)){I=f[s>>2]|0;f[I+(p<<2)>>2]=H;O=I}else{I=f[t>>2]|0;H=f[s>>2]|0;f[H+(p<<2)>>2]=(L|0)<(I|0)?I:L;O=H}p=p+1|0}while((p|0)<(f[g>>2]|0));P=O}else P=f[s>>2]|0;p=(f[F+(K<<2)>>2]|0)-(f[P+(K<<2)>>2]|0)|0;H=A+(K<<2)|0;f[H>>2]=p;if((p|0)>=(f[u>>2]|0)){if((p|0)>(f[w>>2]|0)){Q=p-(f[v>>2]|0)|0;R=55}}else{Q=(f[v>>2]|0)+p|0;R=55}if((R|0)==55){R=0;f[H>>2]=Q}K=K+1|0;J=f[g>>2]|0;if((K|0)>=(J|0))break;else G=P}}}else{S=E;R=28}}else{S=X(C,e)|0;R=28}if((R|0)==28?(R=0,G=b+(S<<2)|0,J=c+(S<<2)|0,K=f[g>>2]|0,(K|0)>0):0){A=0;F=b+((X(B+-2|0,e)|0)<<2)|0;H=K;while(1){if((H|0)>0){K=0;do{p=f[F+(K<<2)>>2]|0;L=f[r>>2]|0;if((p|0)>(L|0)){I=f[s>>2]|0;f[I+(K<<2)>>2]=L;T=I}else{I=f[t>>2]|0;L=f[s>>2]|0;f[L+(K<<2)>>2]=(p|0)<(I|0)?I:p;T=L}K=K+1|0}while((K|0)<(f[g>>2]|0));U=T}else U=f[s>>2]|0;K=(f[G+(A<<2)>>2]|0)-(f[U+(A<<2)>>2]|0)|0;L=J+(A<<2)|0;f[L>>2]=K;if((K|0)>=(f[u>>2]|0)){if((K|0)>(f[w>>2]|0)){V=K-(f[v>>2]|0)|0;R=40}}else{V=(f[v>>2]|0)+K|0;R=40}if((R|0)==40){R=0;f[L>>2]=V}A=A+1|0;H=f[g>>2]|0;if((A|0)>=(H|0))break;else F=U}}if((B|0)<=2)break a;D=f[i>>2]|0;F=C+-1|0;if((f[l>>2]|0)-D>>2>>>0<=F>>>0)break;else{H=C;C=F;B=H}}aq(i)}while(0);if((e|0)>0)sj(j|0,0,e<<2|0)|0;e=f[g>>2]|0;if((e|0)<=0){Mq(k);Mq(j);return 1}i=a+16|0;B=a+32|0;C=a+12|0;D=a+28|0;l=a+20|0;U=a+24|0;a=0;V=j;T=e;while(1){if((T|0)>0){e=0;do{S=f[V+(e<<2)>>2]|0;P=f[i>>2]|0;if((S|0)>(P|0)){Q=f[B>>2]|0;f[Q+(e<<2)>>2]=P;W=Q}else{Q=f[C>>2]|0;P=f[B>>2]|0;f[P+(e<<2)>>2]=(S|0)<(Q|0)?Q:S;W=P}e=e+1|0}while((e|0)<(f[g>>2]|0));Y=W}else Y=f[B>>2]|0;e=(f[b+(a<<2)>>2]|0)-(f[Y+(a<<2)>>2]|0)|0;P=c+(a<<2)|0;f[P>>2]=e;if((e|0)>=(f[D>>2]|0)){if((e|0)>(f[U>>2]|0)){Z=e-(f[l>>2]|0)|0;R=70}}else{Z=(f[l>>2]|0)+e|0;R=70}if((R|0)==70){R=0;f[P>>2]=Z}a=a+1|0;T=f[g>>2]|0;if((a|0)>=(T|0))break;else V=Y}Mq(k);Mq(j);return 1}function qc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0;e=u;u=u+64|0;d=e+48|0;h=e+40|0;i=e+32|0;j=e+16|0;k=e+8|0;l=e;m=e+28|0;n=a+8|0;o=f[n>>2]|0;if((o+-2|0)>>>0<=28){f[a+72>>2]=o;p=1<>2]=p+-1;o=p+-2|0;f[a+80>>2]=o;f[a+84>>2]=(o|0)/2|0}o=a+40|0;f[a+48>>2]=g;g=a+88|0;tk(g);p=a+36|0;q=f[p>>2]|0;r=(f[q+4>>2]|0)-(f[q>>2]|0)|0;s=r>>2;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;t=k;f[t>>2]=0;f[t+4>>2]=0;t=l;f[t>>2]=0;f[t+4>>2]=0;if((r|0)<=0){u=e;return 1}r=j+4|0;t=j+8|0;v=a+84|0;w=a+80|0;x=h+4|0;y=i+4|0;z=d+4|0;A=k+4|0;B=h+4|0;C=i+4|0;D=d+4|0;E=l+4|0;F=a+76|0;a=k+4|0;G=l+4|0;H=f[q>>2]|0;if((f[q+4>>2]|0)==(H|0)){J=q;aq(J)}else{K=0;L=H}while(1){f[m>>2]=f[L+(K<<2)>>2];f[d>>2]=f[m>>2];ic(o,d,j);H=f[j>>2]|0;q=(H|0)>-1?H:0-H|0;M=f[r>>2]|0;N=(M|0)>-1?M:0-M|0;O=Vn(N|0,((N|0)<0)<<31>>31|0,q|0,((q|0)<0)<<31>>31|0)|0;q=f[t>>2]|0;N=(q|0)>-1;P=N?q:0-q|0;q=Vn(O|0,I|0,P|0,((P|0)<0)<<31>>31|0)|0;P=I;if((q|0)==0&(P|0)==0){O=f[v>>2]|0;Q=O;R=j;S=M;T=O}else{O=f[v>>2]|0;U=((O|0)<0)<<31>>31;V=un(O|0,U|0,H|0,((H|0)<0)<<31>>31|0)|0;H=Ik(V|0,I|0,q|0,P|0)|0;f[j>>2]=H;V=un(O|0,U|0,M|0,((M|0)<0)<<31>>31|0)|0;M=Ik(V|0,I|0,q|0,P|0)|0;f[r>>2]=M;P=O-((H|0)>-1?H:0-H|0)-((M|0)>-1?M:0-M|0)|0;Q=N?P:0-P|0;R=t;S=M;T=O}f[R>>2]=Q;O=f[j>>2]|0;do if((O|0)<=-1){if((S|0)<0){M=f[t>>2]|0;W=(M|0)>-1?M:0-M|0;X=M}else{M=f[t>>2]|0;W=(f[w>>2]|0)-((M|0)>-1?M:0-M|0)|0;X=M}if((X|0)<0){Y=(S|0)>-1?S:0-S|0;Z=W;_=X;break}else{Y=(f[w>>2]|0)-((S|0)>-1?S:0-S|0)|0;Z=W;_=X;break}}else{M=f[t>>2]|0;Y=M+T|0;Z=T+S|0;_=M}while(0);M=(Z|0)==0;P=(Y|0)==0;N=f[w>>2]|0;do if(Y|Z){H=(N|0)==(Y|0);if(!(M&H)){q=(N|0)==(Z|0);if(!(P&q)){if(M&(T|0)<(Y|0)){$=0;aa=(T<<1)-Y|0;break}if(q&(T|0)>(Y|0)){$=Z;aa=(T<<1)-Y|0;break}if(H&(T|0)>(Z|0)){$=(T<<1)-Z|0;aa=Y;break}if(P){$=(T|0)<(Z|0)?(T<<1)-Z|0:Z;aa=0}else{$=Z;aa=Y}}else{$=Z;aa=Z}}else{$=Y;aa=Y}}else{$=N;aa=N}while(0);P=0-S|0;M=0-_|0;f[j>>2]=0-O;f[r>>2]=P;f[t>>2]=M;if((O|0)<1){ba=T-_|0;ca=T-S|0}else{H=(_|0)<1?M:_;M=(S|0)<1?P:S;ba=(_|0)>0?M:N-M|0;ca=(S|0)>0?H:N-H|0}H=(ca|0)==0;M=(ba|0)==0;do if(((ba|ca|0)!=0?(P=(N|0)==(ba|0),!(H&P)):0)?(q=(N|0)==(ca|0),!(M&q)):0){if(H&(T|0)<(ba|0)){da=0;ea=(T<<1)-ba|0;break}if(q&(T|0)>(ba|0)){da=N;ea=(T<<1)-ba|0;break}if(P&(T|0)>(ca|0)){da=(T<<1)-ca|0;ea=N;break}if(M){da=(T|0)<(ca|0)?(T<<1)-ca|0:ca;ea=0}else{da=ca;ea=ba}}else{da=N;ea=N}while(0);N=K<<1;M=b+(N<<2)|0;H=M+4|0;O=f[H>>2]|0;f[h>>2]=f[M>>2];f[x>>2]=O;f[i>>2]=$;f[y>>2]=aa;Od(d,n,h,i);O=f[d>>2]|0;f[k>>2]=O;P=f[z>>2]|0;f[A>>2]=P;q=f[H>>2]|0;f[h>>2]=f[M>>2];f[B>>2]=q;f[i>>2]=da;f[C>>2]=ea;Od(d,n,h,i);q=f[d>>2]|0;f[l>>2]=q;M=f[D>>2]|0;f[E>>2]=M;H=f[v>>2]|0;if((H|0)>=(O|0))if((O|0)<(0-H|0))fa=(f[F>>2]|0)+O|0;else fa=O;else fa=O-(f[F>>2]|0)|0;f[k>>2]=fa;if((H|0)>=(P|0))if((P|0)<(0-H|0))ga=(f[F>>2]|0)+P|0;else ga=P;else ga=P-(f[F>>2]|0)|0;f[a>>2]=ga;if((H|0)>=(q|0))if((q|0)<(0-H|0))ha=(f[F>>2]|0)+q|0;else ha=q;else ha=q-(f[F>>2]|0)|0;f[l>>2]=ha;if((H|0)>=(M|0))if((M|0)<(0-H|0))ia=(f[F>>2]|0)+M|0;else ia=M;else ia=M-(f[F>>2]|0)|0;f[G>>2]=ia;if((((ga|0)>-1?ga:0-ga|0)+((fa|0)>-1?fa:0-fa|0)|0)<(((ha|0)>-1?ha:0-ha|0)+((ia|0)>-1?ia:0-ia|0)|0)){fj(g,0);ja=k}else{fj(g,1);ja=l}M=f[ja>>2]|0;if((M|0)<0)ka=(f[F>>2]|0)+M|0;else ka=M;M=c+(N<<2)|0;f[M>>2]=ka;N=f[ja+4>>2]|0;if((N|0)<0)la=(f[F>>2]|0)+N|0;else la=N;f[M+4>>2]=la;K=K+1|0;if((K|0)>=(s|0)){ma=5;break}M=f[p>>2]|0;L=f[M>>2]|0;if((f[M+4>>2]|0)-L>>2>>>0<=K>>>0){J=M;ma=6;break}}if((ma|0)==5){u=e;return 1}else if((ma|0)==6)aq(J);return 0}function rc(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0;c=u;u=u+48|0;d=c+24|0;e=c+12|0;g=c;if(!b){h=0;u=c;return h|0}i=a+12|0;j=a+4|0;k=f[j>>2]|0;l=f[a>>2]|0;m=k-l>>2;n=a+16|0;o=f[n>>2]|0;p=f[i>>2]|0;q=o-p>>2;r=p;p=o;if(m>>>0<=q>>>0)if(m>>>0>>0?(o=r+(m<<2)|0,(o|0)!=(p|0)):0){f[n>>2]=p+(~((p+-4-o|0)>>>2)<<2);s=l;t=k}else{s=l;t=k}else{Ch(i,m-q|0,6140);s=f[a>>2]|0;t=f[j>>2]|0}f[d>>2]=0;q=d+4|0;f[q>>2]=0;f[d+8>>2]=0;gk(d,t-s>>2);s=f[j>>2]|0;t=f[a>>2]|0;if((s|0)==(t|0)){v=s;w=s}else{m=f[d>>2]|0;k=m;l=k;o=0;p=s;s=k;k=t;t=m;while(1){m=f[k+(o<<2)>>2]|0;n=f[q>>2]|0;if(m>>>0>2>>>0){x=l;y=s;z=k;A=p}else{r=m+1|0;f[e>>2]=0;B=n-t>>2;C=t;D=n;if(r>>>0<=B>>>0)if(r>>>0>>0?(n=C+(r<<2)|0,(n|0)!=(D|0)):0){f[q>>2]=D+(~((D+-4-n|0)>>>2)<<2);E=l;F=p;G=k}else{E=l;F=p;G=k}else{Ch(d,r-B|0,e);E=f[d>>2]|0;F=f[j>>2]|0;G=f[a>>2]|0}x=E;y=E;z=G;A=F}B=y+(m<<2)|0;f[B>>2]=(f[B>>2]|0)+1;o=o+1|0;if(o>>>0>=A-z>>2>>>0){v=z;w=A;break}else{l=x;p=A;s=y;k=z;t=y}}}y=w-v|0;v=y>>2;f[e>>2]=0;w=e+4|0;f[w>>2]=0;f[e+8>>2]=0;if(!v){H=0;I=0}else{if(v>>>0>536870911)aq(e);t=ln(y<<1)|0;f[w>>2]=t;f[e>>2]=t;y=t+(v<<3)|0;f[e+8>>2]=y;z=v;v=t;k=t;while(1){s=v;f[s>>2]=-1;f[s+4>>2]=-1;s=k+8|0;A=z+-1|0;if(!A)break;else{z=A;v=s;k=s}}f[w>>2]=y;H=t;I=t}t=f[q>>2]|0;y=f[d>>2]|0;k=t-y|0;v=k>>2;f[g>>2]=0;z=g+4|0;f[z>>2]=0;f[g+8>>2]=0;s=y;do if(v)if(v>>>0>1073741823)aq(g);else{A=ln(k)|0;f[g>>2]=A;p=A+(v<<2)|0;f[g+8>>2]=p;sj(A|0,0,k|0)|0;f[z>>2]=p;J=A;K=p;L=A;break}else{J=0;K=0;L=0}while(0);if((t|0)!=(y|0)){y=0;t=0;while(1){f[J+(t<<2)>>2]=y;k=t+1|0;if(k>>>0>>0){y=(f[s+(t<<2)>>2]|0)+y|0;t=k}else break}}t=f[j>>2]|0;j=f[a>>2]|0;y=j;if((t|0)!=(j|0)){k=a+40|0;a=t-j>>2;j=H;t=H;g=H;A=H;p=H;x=H;l=0;o=J;while(1){F=f[y+(l<<2)>>2]|0;G=l+1|0;E=((G>>>0)%3|0|0)==0?l+-2|0:G;if((E|0)==-1)M=-1;else M=f[y+(E<<2)>>2]|0;E=((l>>>0)%3|0|0)==0;G=(E?2:-1)+l|0;if((G|0)==-1)N=-1;else N=f[y+(G<<2)>>2]|0;if(E?(M|0)==(N|0)|((F|0)==(M|0)|(F|0)==(N|0)):0){f[k>>2]=(f[k>>2]|0)+1;O=j;P=t;Q=g;R=A;S=p;T=x;U=l+2|0;V=o}else W=51;a:do if((W|0)==51){W=0;E=f[s+(N<<2)>>2]|0;b:do if((E|0)>0){G=0;B=f[o+(N<<2)>>2]|0;while(1){m=f[p+(B<<3)>>2]|0;if((m|0)==-1){X=j;Y=t;Z=A;_=p;break b}if((m|0)==(M|0)){m=f[p+(B<<3)+4>>2]|0;if((m|0)==-1)$=-1;else $=f[y+(m<<2)>>2]|0;if((F|0)!=($|0))break}m=G+1|0;if((m|0)<(E|0)){G=m;B=B+1|0}else{X=j;Y=t;Z=A;_=p;break b}}m=f[A+(B<<3)+4>>2]|0;r=G;n=B;D=t;while(1){r=r+1|0;if((r|0)>=(E|0))break;C=n+1|0;f[D+(n<<3)>>2]=f[D+(C<<3)>>2];f[D+(n<<3)+4>>2]=f[D+(C<<3)+4>>2];if((f[j+(n<<3)>>2]|0)==-1)break;else{n=C;D=j}}f[g+(n<<3)>>2]=-1;if((m|0)==-1){X=g;Y=g;Z=g;_=g}else{D=f[i>>2]|0;f[D+(l<<2)>>2]=m;f[D+(m<<2)>>2]=l;O=g;P=g;Q=g;R=g;S=g;T=x;U=l;V=o;break a}}else{X=j;Y=t;Z=A;_=p}while(0);E=f[s+(M<<2)>>2]|0;if((E|0)>0){D=0;r=f[J+(M<<2)>>2]|0;while(1){aa=x+(r<<3)|0;if((f[aa>>2]|0)==-1)break;D=D+1|0;if((D|0)>=(E|0)){O=x;P=x;Q=x;R=x;S=x;T=x;U=l;V=J;break a}else r=r+1|0}f[aa>>2]=N;f[H+(r<<3)+4>>2]=l;O=H;P=H;Q=H;R=H;S=H;T=H;U=l;V=J}else{O=X;P=Y;Q=g;R=Z;S=_;T=x;U=l;V=o}}while(0);l=U+1|0;if(l>>>0>=a>>>0)break;else{j=O;t=P;g=Q;A=R;p=S;x=T;o=V}}}f[b>>2]=v;if(!J){ba=H;ca=I}else{if((K|0)!=(J|0))f[z>>2]=K+(~((K+-4-J|0)>>>2)<<2);Oq(L);L=f[e>>2]|0;ba=L;ca=L}if(ba|0){L=f[w>>2]|0;if((L|0)!=(ba|0))f[w>>2]=L+(~((L+-8-ba|0)>>>3)<<3);Oq(ca)}ca=f[d>>2]|0;if(ca|0){d=f[q>>2]|0;if((d|0)!=(ca|0))f[q>>2]=d+(~((d+-4-ca|0)>>>2)<<2);Oq(ca)}h=1;u=c;return h|0}function sc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=Oa,S=Oa,T=Oa,U=0,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0;e=u;u=u+48|0;g=e+12|0;h=e+35|0;i=e+32|0;j=e;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)aq(j);p=m<<2;q=ln(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;sj(q|0,0,p|0)|0;f[o>>2]=r;r=f[d>>2]|0;d=c+48|0;p=c+40|0;q=i+1|0;m=i+2|0;s=g+4|0;t=g+12|0;v=g+8|0;w=a+40|0;x=a+64|0;y=0;z=0;while(1){A=d;B=f[A>>2]|0;C=f[A+4>>2]|0;A=p;D=un(f[A>>2]|0,f[A+4>>2]|0,r+y|0,0)|0;A=Vn(D|0,I|0,B|0,C|0)|0;C=(f[f[c>>2]>>2]|0)+A|0;b[h>>0]=b[C>>0]|0;b[h+1>>0]=b[C+1>>0]|0;b[h+2>>0]=b[C+2>>0]|0;im(i|0,C|0,3)|0;C=jg(g,i)|0;if(!C){A=b[i>>0]|0;B=b[q>>0]|0;D=b[m>>0]|0;E=((A&255^318)+239^B&255)+239^D&255;F=f[s>>2]|0;G=(F|0)==0;a:do if(!G){H=F+-1|0;J=(H&F|0)==0;if(!J)if(E>>>0>>0)K=E;else K=(E>>>0)%(F>>>0)|0;else K=E&H;L=f[(f[g>>2]|0)+(K<<2)>>2]|0;if((L|0)!=0?(M=f[L>>2]|0,(M|0)!=0):0){if(J){J=M;while(1){L=f[J+4>>2]|0;if(!((L|0)==(E|0)|(L&H|0)==(K|0))){N=K;O=29;break a}L=J+8|0;if(((b[L>>0]|0)==A<<24>>24?(b[L+1>>0]|0)==B<<24>>24:0)?(b[L+2>>0]|0)==D<<24>>24:0)break a;J=f[J>>2]|0;if(!J){N=K;O=29;break a}}}else P=M;while(1){J=f[P+4>>2]|0;if((J|0)!=(E|0)){if(J>>>0>>0)Q=J;else Q=(J>>>0)%(F>>>0)|0;if((Q|0)!=(K|0)){N=K;O=29;break a}}J=P+8|0;if(((b[J>>0]|0)==A<<24>>24?(b[J+1>>0]|0)==B<<24>>24:0)?(b[J+2>>0]|0)==D<<24>>24:0)break a;P=f[P>>2]|0;if(!P){N=K;O=29;break}}}else{N=K;O=29}}else{N=0;O=29}while(0);if((O|0)==29){O=0;M=ln(16)|0;b[M+8>>0]=A;b[M+9>>0]=B;b[M+10>>0]=D;f[M+12>>2]=z;f[M+4>>2]=E;f[M>>2]=0;R=$(((f[t>>2]|0)+1|0)>>>0);S=$(F>>>0);T=$(n[k>>2]);do if(G|$(T*S)>>0<3|(F+-1&F|0)!=0)&1;H=~~$(W($(R/T)))>>>0;_h(g,J>>>0>>0?H:J);J=f[s>>2]|0;H=J+-1|0;if(!(H&J)){U=J;V=H&E;break}if(E>>>0>>0){U=J;V=E}else{U=J;V=(E>>>0)%(J>>>0)|0}}else{U=F;V=N}while(0);F=(f[g>>2]|0)+(V<<2)|0;E=f[F>>2]|0;if(!E){f[M>>2]=f[v>>2];f[v>>2]=M;f[F>>2]=v;F=f[M>>2]|0;if(F|0){G=f[F+4>>2]|0;F=U+-1|0;if(F&U)if(G>>>0>>0)X=G;else X=(G>>>0)%(U>>>0)|0;else X=G&F;Y=(f[g>>2]|0)+(X<<2)|0;O=42}}else{f[M>>2]=f[E>>2];Y=E;O=42}if((O|0)==42){O=0;f[Y>>2]=M}f[t>>2]=(f[t>>2]|0)+1}E=w;F=f[E>>2]|0;G=un(F|0,f[E+4>>2]|0,z|0,0)|0;kh((f[f[x>>2]>>2]|0)+G|0,h|0,F|0)|0;F=f[j>>2]|0;f[F+(y<<2)>>2]=z;Z=z+1|0;_=F}else{F=f[j>>2]|0;f[F+(y<<2)>>2]=f[C+12>>2];Z=z;_=F}y=y+1|0;aa=f[l>>2]|0;if(y>>>0>=aa>>>0)break;else z=Z}if((Z|0)==(aa|0))ba=_;else{z=a+84|0;if(!(b[z>>0]|0)){y=f[a+72>>2]|0;h=f[a+68>>2]|0;x=h;if((y|0)==(h|0))ca=_;else{w=y-h>>2;h=0;do{y=x+(h<<2)|0;f[y>>2]=f[_+(f[y>>2]<<2)>>2];h=h+1|0}while(h>>>0>>0);ca=_}}else{b[z>>0]=0;z=a+68|0;_=a+72|0;w=f[_>>2]|0;h=f[z>>2]|0;x=w-h>>2;y=h;h=w;if(aa>>>0<=x>>>0)if(aa>>>0>>0?(w=y+(aa<<2)|0,(w|0)!=(h|0)):0){f[_>>2]=h+(~((h+-4-w|0)>>>2)<<2);da=aa}else da=aa;else{Ch(z,aa-x|0,1220);da=f[l>>2]|0}x=f[j>>2]|0;if(!da)ca=x;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[x+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);ca=x}}f[l>>2]=Z;ba=ca}if(!ba)ea=Z;else{ca=f[o>>2]|0;if((ca|0)!=(ba|0))f[o>>2]=ca+(~((ca+-4-ba|0)>>>2)<<2);Oq(ba);ea=Z}}else ea=0;Z=f[g+8>>2]|0;if(Z|0){ba=Z;do{Z=ba;ba=f[ba>>2]|0;Oq(Z)}while((ba|0)!=0)}ba=f[g>>2]|0;f[g>>2]=0;if(!ba){u=e;return ea|0}Oq(ba);u=e;return ea|0}function tc(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0;e=u;u=u+64|0;d=e+48|0;h=e+40|0;i=e+32|0;j=e+16|0;k=e+8|0;l=e;m=e+28|0;n=a+8|0;o=f[n>>2]|0;if((o+-2|0)>>>0<=28){f[a+72>>2]=o;p=1<>2]=p+-1;o=p+-2|0;f[a+80>>2]=o;f[a+84>>2]=(o|0)/2|0}o=a+40|0;f[a+48>>2]=g;g=a+88|0;tk(g);p=a+36|0;q=f[p>>2]|0;r=(f[q+4>>2]|0)-(f[q>>2]|0)|0;s=r>>2;f[j>>2]=0;f[j+4>>2]=0;f[j+8>>2]=0;t=k;f[t>>2]=0;f[t+4>>2]=0;t=l;f[t>>2]=0;f[t+4>>2]=0;if((r|0)<=0){u=e;return 1}r=j+4|0;t=j+8|0;v=a+84|0;w=a+80|0;x=h+4|0;y=i+4|0;z=d+4|0;A=k+4|0;B=h+4|0;C=i+4|0;D=d+4|0;E=l+4|0;F=a+76|0;a=k+4|0;G=l+4|0;H=f[q>>2]|0;if((f[q+4>>2]|0)==(H|0)){J=q;aq(J)}else{K=0;L=H}while(1){f[m>>2]=f[L+(K<<2)>>2];f[d>>2]=f[m>>2];$b(o,d,j);H=f[j>>2]|0;q=(H|0)>-1?H:0-H|0;M=f[r>>2]|0;N=(M|0)>-1?M:0-M|0;O=Vn(N|0,((N|0)<0)<<31>>31|0,q|0,((q|0)<0)<<31>>31|0)|0;q=f[t>>2]|0;N=(q|0)>-1;P=N?q:0-q|0;q=Vn(O|0,I|0,P|0,((P|0)<0)<<31>>31|0)|0;P=I;if((q|0)==0&(P|0)==0){O=f[v>>2]|0;Q=O;R=j;S=M;T=O}else{O=f[v>>2]|0;U=((O|0)<0)<<31>>31;V=un(O|0,U|0,H|0,((H|0)<0)<<31>>31|0)|0;H=Ik(V|0,I|0,q|0,P|0)|0;f[j>>2]=H;V=un(O|0,U|0,M|0,((M|0)<0)<<31>>31|0)|0;M=Ik(V|0,I|0,q|0,P|0)|0;f[r>>2]=M;P=O-((H|0)>-1?H:0-H|0)-((M|0)>-1?M:0-M|0)|0;Q=N?P:0-P|0;R=t;S=M;T=O}f[R>>2]=Q;O=f[j>>2]|0;do if((O|0)<=-1){if((S|0)<0){M=f[t>>2]|0;W=(M|0)>-1?M:0-M|0;X=M}else{M=f[t>>2]|0;W=(f[w>>2]|0)-((M|0)>-1?M:0-M|0)|0;X=M}if((X|0)<0){Y=(S|0)>-1?S:0-S|0;Z=W;_=X;break}else{Y=(f[w>>2]|0)-((S|0)>-1?S:0-S|0)|0;Z=W;_=X;break}}else{M=f[t>>2]|0;Y=M+T|0;Z=T+S|0;_=M}while(0);M=(Z|0)==0;P=(Y|0)==0;N=f[w>>2]|0;do if(Y|Z){H=(N|0)==(Y|0);if(!(M&H)){q=(N|0)==(Z|0);if(!(P&q)){if(M&(T|0)<(Y|0)){$=0;aa=(T<<1)-Y|0;break}if(q&(T|0)>(Y|0)){$=Z;aa=(T<<1)-Y|0;break}if(H&(T|0)>(Z|0)){$=(T<<1)-Z|0;aa=Y;break}if(P){$=(T|0)<(Z|0)?(T<<1)-Z|0:Z;aa=0}else{$=Z;aa=Y}}else{$=Z;aa=Z}}else{$=Y;aa=Y}}else{$=N;aa=N}while(0);P=0-S|0;M=0-_|0;f[j>>2]=0-O;f[r>>2]=P;f[t>>2]=M;if((O|0)<1){ba=T-_|0;ca=T-S|0}else{H=(_|0)<1?M:_;M=(S|0)<1?P:S;ba=(_|0)>0?M:N-M|0;ca=(S|0)>0?H:N-H|0}H=(ca|0)==0;M=(ba|0)==0;do if(((ba|ca|0)!=0?(P=(N|0)==(ba|0),!(H&P)):0)?(q=(N|0)==(ca|0),!(M&q)):0){if(H&(T|0)<(ba|0)){da=0;ea=(T<<1)-ba|0;break}if(q&(T|0)>(ba|0)){da=N;ea=(T<<1)-ba|0;break}if(P&(T|0)>(ca|0)){da=(T<<1)-ca|0;ea=N;break}if(M){da=(T|0)<(ca|0)?(T<<1)-ca|0:ca;ea=0}else{da=ca;ea=ba}}else{da=N;ea=N}while(0);N=K<<1;M=b+(N<<2)|0;H=M+4|0;O=f[H>>2]|0;f[h>>2]=f[M>>2];f[x>>2]=O;f[i>>2]=$;f[y>>2]=aa;Od(d,n,h,i);O=f[d>>2]|0;f[k>>2]=O;P=f[z>>2]|0;f[A>>2]=P;q=f[H>>2]|0;f[h>>2]=f[M>>2];f[B>>2]=q;f[i>>2]=da;f[C>>2]=ea;Od(d,n,h,i);q=f[d>>2]|0;f[l>>2]=q;M=f[D>>2]|0;f[E>>2]=M;H=f[v>>2]|0;if((H|0)>=(O|0))if((O|0)<(0-H|0))fa=(f[F>>2]|0)+O|0;else fa=O;else fa=O-(f[F>>2]|0)|0;f[k>>2]=fa;if((H|0)>=(P|0))if((P|0)<(0-H|0))ga=(f[F>>2]|0)+P|0;else ga=P;else ga=P-(f[F>>2]|0)|0;f[a>>2]=ga;if((H|0)>=(q|0))if((q|0)<(0-H|0))ha=(f[F>>2]|0)+q|0;else ha=q;else ha=q-(f[F>>2]|0)|0;f[l>>2]=ha;if((H|0)>=(M|0))if((M|0)<(0-H|0))ia=(f[F>>2]|0)+M|0;else ia=M;else ia=M-(f[F>>2]|0)|0;f[G>>2]=ia;if((((ga|0)>-1?ga:0-ga|0)+((fa|0)>-1?fa:0-fa|0)|0)<(((ha|0)>-1?ha:0-ha|0)+((ia|0)>-1?ia:0-ia|0)|0)){fj(g,0);ja=k}else{fj(g,1);ja=l}M=f[ja>>2]|0;if((M|0)<0)ka=(f[F>>2]|0)+M|0;else ka=M;M=c+(N<<2)|0;f[M>>2]=ka;N=f[ja+4>>2]|0;if((N|0)<0)la=(f[F>>2]|0)+N|0;else la=N;f[M+4>>2]=la;K=K+1|0;if((K|0)>=(s|0)){ma=5;break}M=f[p>>2]|0;L=f[M>>2]|0;if((f[M+4>>2]|0)-L>>2>>>0<=K>>>0){J=M;ma=6;break}}if((ma|0)==5){u=e;return 1}else if((ma|0)==6)aq(J);return 0}function uc(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0,p=0,q=0,r=0,s=0,t=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=Oa,T=Oa,U=Oa,V=0,X=0,Y=0,Z=0,_=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0;e=u;u=u+64|0;g=e+36|0;h=e+24|0;i=e+12|0;j=e;k=g+16|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;f[g+12>>2]=0;n[k>>2]=$(1.0);l=a+80|0;m=f[l>>2]|0;f[j>>2]=0;o=j+4|0;f[o>>2]=0;f[j+8>>2]=0;if(m){if(m>>>0>1073741823)aq(j);p=m<<2;q=ln(p)|0;f[j>>2]=q;r=q+(m<<2)|0;f[j+8>>2]=r;sj(q|0,0,p|0)|0;f[o>>2]=r;r=f[d>>2]|0;d=c+48|0;p=c+40|0;q=i+4|0;m=i+8|0;s=g+4|0;t=g+12|0;v=g+8|0;w=a+40|0;x=a+64|0;y=0;z=0;while(1){A=d;B=f[A>>2]|0;C=f[A+4>>2]|0;A=p;D=un(f[A>>2]|0,f[A+4>>2]|0,r+z|0,0)|0;A=Vn(D|0,I|0,B|0,C|0)|0;C=(f[f[c>>2]>>2]|0)+A|0;A=h;B=C;D=A+12|0;do{b[A>>0]=b[B>>0]|0;A=A+1|0;B=B+1|0}while((A|0)<(D|0));im(i|0,C|0,12)|0;B=qg(g,i)|0;if(!B){A=f[i>>2]|0;D=f[q>>2]|0;E=f[m>>2]|0;F=((A^318)+239^D)+239^E;G=f[s>>2]|0;H=(G|0)==0;a:do if(!H){J=G+-1|0;K=(J&G|0)==0;if(!K)if(F>>>0>>0)L=F;else L=(F>>>0)%(G>>>0)|0;else L=F&J;M=f[(f[g>>2]|0)+(L<<2)>>2]|0;if((M|0)!=0?(N=f[M>>2]|0,(N|0)!=0):0){if(K){K=N;while(1){M=f[K+4>>2]|0;if(!((M|0)==(F|0)|(M&J|0)==(L|0))){O=L;P=29;break a}if(((f[K+8>>2]|0)==(A|0)?(f[K+12>>2]|0)==(D|0):0)?(f[K+16>>2]|0)==(E|0):0)break a;K=f[K>>2]|0;if(!K){O=L;P=29;break a}}}else Q=N;while(1){K=f[Q+4>>2]|0;if((K|0)!=(F|0)){if(K>>>0>>0)R=K;else R=(K>>>0)%(G>>>0)|0;if((R|0)!=(L|0)){O=L;P=29;break a}}if(((f[Q+8>>2]|0)==(A|0)?(f[Q+12>>2]|0)==(D|0):0)?(f[Q+16>>2]|0)==(E|0):0)break a;Q=f[Q>>2]|0;if(!Q){O=L;P=29;break}}}else{O=L;P=29}}else{O=0;P=29}while(0);if((P|0)==29){P=0;C=ln(24)|0;f[C+8>>2]=A;f[C+12>>2]=D;f[C+16>>2]=E;f[C+20>>2]=y;f[C+4>>2]=F;f[C>>2]=0;S=$(((f[t>>2]|0)+1|0)>>>0);T=$(G>>>0);U=$(n[k>>2]);do if(H|$(U*T)>>0<3|(G+-1&G|0)!=0)&1;K=~~$(W($(S/U)))>>>0;Xh(g,N>>>0>>0?K:N);N=f[s>>2]|0;K=N+-1|0;if(!(K&N)){V=N;X=K&F;break}if(F>>>0>>0){V=N;X=F}else{V=N;X=(F>>>0)%(N>>>0)|0}}else{V=G;X=O}while(0);G=(f[g>>2]|0)+(X<<2)|0;F=f[G>>2]|0;if(!F){f[C>>2]=f[v>>2];f[v>>2]=C;f[G>>2]=v;G=f[C>>2]|0;if(G|0){H=f[G+4>>2]|0;G=V+-1|0;if(G&V)if(H>>>0>>0)Y=H;else Y=(H>>>0)%(V>>>0)|0;else Y=H&G;Z=(f[g>>2]|0)+(Y<<2)|0;P=42}}else{f[C>>2]=f[F>>2];Z=F;P=42}if((P|0)==42){P=0;f[Z>>2]=C}f[t>>2]=(f[t>>2]|0)+1}F=w;G=f[F>>2]|0;H=un(G|0,f[F+4>>2]|0,y|0,0)|0;kh((f[f[x>>2]>>2]|0)+H|0,h|0,G|0)|0;G=f[j>>2]|0;f[G+(z<<2)>>2]=y;_=y+1|0;aa=G}else{G=f[j>>2]|0;f[G+(z<<2)>>2]=f[B+20>>2];_=y;aa=G}z=z+1|0;ba=f[l>>2]|0;if(z>>>0>=ba>>>0)break;else y=_}if((_|0)==(ba|0))ca=aa;else{y=a+84|0;if(!(b[y>>0]|0)){z=f[a+72>>2]|0;h=f[a+68>>2]|0;x=h;if((z|0)==(h|0))da=aa;else{w=z-h>>2;h=0;do{z=x+(h<<2)|0;f[z>>2]=f[aa+(f[z>>2]<<2)>>2];h=h+1|0}while(h>>>0>>0);da=aa}}else{b[y>>0]=0;y=a+68|0;aa=a+72|0;w=f[aa>>2]|0;h=f[y>>2]|0;x=w-h>>2;z=h;h=w;if(ba>>>0<=x>>>0)if(ba>>>0>>0?(w=z+(ba<<2)|0,(w|0)!=(h|0)):0){f[aa>>2]=h+(~((h+-4-w|0)>>>2)<<2);ea=ba}else ea=ba;else{Ch(y,ba-x|0,1220);ea=f[l>>2]|0}x=f[j>>2]|0;if(!ea)da=x;else{j=f[a+68>>2]|0;a=0;do{f[j+(a<<2)>>2]=f[x+(a<<2)>>2];a=a+1|0}while(a>>>0>>0);da=x}}f[l>>2]=_;ca=da}if(!ca)fa=_;else{da=f[o>>2]|0;if((da|0)!=(ca|0))f[o>>2]=da+(~((da+-4-ca|0)>>>2)<<2);Oq(ca);fa=_}}else fa=0;_=f[g+8>>2]|0;if(_|0){ca=_;do{_=ca;ca=f[ca>>2]|0;Oq(_)}while((ca|0)!=0)}ca=f[g>>2]|0;f[g>>2]=0;if(!ca){u=e;return fa|0}Oq(ca);u=e;return fa|0} +function di(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=u;u=u+16|0;e=d;Je(e,a+40|0,f[a+8>>2]|0,b,c);gj(a,e);a=f[e>>2]|0;f[e>>2]=0;if(!a){u=d;return 1}e=a+88|0;c=f[e>>2]|0;f[e>>2]=0;if(c|0){e=f[c+8>>2]|0;if(e|0){b=c+12|0;if((f[b>>2]|0)!=(e|0))f[b>>2]=e;Oq(e)}Oq(c)}c=f[a+68>>2]|0;if(c|0){e=a+72|0;b=f[e>>2]|0;if((b|0)!=(c|0))f[e>>2]=b+(~((b+-4-c|0)>>>2)<<2);Oq(c)}c=a+64|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0){c=f[b>>2]|0;if(c|0){e=b+4|0;if((f[e>>2]|0)!=(c|0))f[e>>2]=c;Oq(c)}Oq(b)}Oq(a);u=d;return 1}function ei(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Bd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Bd(a,e);return}function fi(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0;e=u;u=u+48|0;g=e;h=e+32|0;if(!c){i=0;u=e;return i|0}Gn(g);if((dm(c,0)|0)!=-1?Qa[f[(f[c>>2]|0)+16>>2]&127](c)|0:0){Va[f[(f[c>>2]|0)+20>>2]&127](c);ch(h,a,c,g);c=(f[h>>2]|0)==0;a=h+4|0;if((b[a+11>>0]|0)<0)Oq(f[a>>2]|0);if(c){c=f[g>>2]|0;a=g+4|0;rg(d,c,c+((f[a>>2]|0)-c)|0);j=(f[a>>2]|0)-(f[g>>2]|0)|0}else j=0}else j=0;a=g+12|0;c=f[a>>2]|0;f[a>>2]=0;if(c|0)Oq(c);c=f[g>>2]|0;if(c|0){a=g+4|0;if((f[a>>2]|0)!=(c|0))f[a>>2]=c;Oq(c)}i=j;u=e;return i|0}function gi(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=u;u=u+16|0;e=d;Fe(e,a+40|0,f[a+8>>2]|0,b,c);gj(a,e);a=f[e>>2]|0;f[e>>2]=0;if(!a){u=d;return 1}e=a+88|0;c=f[e>>2]|0;f[e>>2]=0;if(c|0){e=f[c+8>>2]|0;if(e|0){b=c+12|0;if((f[b>>2]|0)!=(e|0))f[b>>2]=e;Oq(e)}Oq(c)}c=f[a+68>>2]|0;if(c|0){e=a+72|0;b=f[e>>2]|0;if((b|0)!=(c|0))f[e>>2]=b+(~((b+-4-c|0)>>>2)<<2);Oq(c)}c=a+64|0;b=f[c>>2]|0;f[c>>2]=0;if(b|0){c=f[b>>2]|0;if(c|0){e=b+4|0;if((f[e>>2]|0)!=(c|0))f[e>>2]=c;Oq(c)}Oq(b)}Oq(a);u=d;return 1}function hi(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0;b=f[a>>2]|0;if(!b)return;c=a+4|0;d=f[c>>2]|0;if((d|0)==(b|0))e=b;else{g=d;do{d=g+-4|0;f[c>>2]=d;h=f[d>>2]|0;f[d>>2]=0;if(h|0){d=h+88|0;i=f[d>>2]|0;f[d>>2]=0;if(i|0){d=f[i+8>>2]|0;if(d|0){j=i+12|0;if((f[j>>2]|0)!=(d|0))f[j>>2]=d;Oq(d)}Oq(i)}i=f[h+68>>2]|0;if(i|0){d=h+72|0;j=f[d>>2]|0;if((j|0)!=(i|0))f[d>>2]=j+(~((j+-4-i|0)>>>2)<<2);Oq(i)}i=h+64|0;j=f[i>>2]|0;f[i>>2]=0;if(j|0){i=f[j>>2]|0;if(i|0){d=j+4|0;if((f[d>>2]|0)!=(i|0))f[d>>2]=i;Oq(i)}Oq(j)}Oq(h)}g=f[c>>2]|0}while((g|0)!=(b|0));e=f[a>>2]|0}Oq(e);return}function ii(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;d=u;u=u+16|0;e=d+4|0;g=d;h=d+8|0;if(!(Ie(a,c)|0)){i=0;u=d;return i|0}j=a+36|0;k=a+40|0;a=f[j>>2]|0;if((f[k>>2]|0)==(a|0)){i=1;u=d;return i|0}l=c+16|0;m=c+4|0;n=h+1|0;o=0;p=a;do{a=f[p+(o<<2)>>2]|0;q=Qa[f[(f[a>>2]|0)+32>>2]&127](a)|0;b[h>>0]=q;q=l;a=f[q+4>>2]|0;if(!((a|0)>0|(a|0)==0&(f[q>>2]|0)>>>0>0)){f[g>>2]=f[m>>2];f[e>>2]=f[g>>2];Me(c,e,h,n)|0}o=o+1|0;p=f[j>>2]|0}while(o>>>0<(f[k>>2]|0)-p>>2>>>0);i=1;u=d;return i|0}function ji(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=u;u=u+16|0;d=c;lp(a);f[a+16>>2]=0;f[a+20>>2]=0;f[a+12>>2]=a+16;e=a+24|0;lp(e);f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;a=ln(32)|0;f[d>>2]=a;f[d+8>>2]=-2147483616;f[d+4>>2]=20;g=a;h=14538;i=g+20|0;do{b[g>>0]=b[h>>0]|0;g=g+1|0;h=h+1|0}while((g|0)<(i|0));b[a+20>>0]=0;Vj(e,d,1);if((b[d+11>>0]|0)<0)Oq(f[d>>2]|0);f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;a=ln(32)|0;f[d>>2]=a;f[d+8>>2]=-2147483616;f[d+4>>2]=22;g=a;h=14559;i=g+22|0;do{b[g>>0]=b[h>>0]|0;g=g+1|0;h=h+1|0}while((g|0)<(i|0));b[a+22>>0]=0;Vj(e,d,1);if((b[d+11>>0]|0)>=0){u=c;return}Oq(f[d>>2]|0);u=c;return}function ki(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;b=f[a+4>>2]|0;c=a+8|0;d=f[c>>2]|0;if((d|0)!=(b|0)){e=d;do{d=e+-4|0;f[c>>2]=d;g=f[d>>2]|0;f[d>>2]=0;if(g|0){d=g+88|0;h=f[d>>2]|0;f[d>>2]=0;if(h|0){d=f[h+8>>2]|0;if(d|0){i=h+12|0;if((f[i>>2]|0)!=(d|0))f[i>>2]=d;Oq(d)}Oq(h)}h=f[g+68>>2]|0;if(h|0){d=g+72|0;i=f[d>>2]|0;if((i|0)!=(h|0))f[d>>2]=i+(~((i+-4-h|0)>>>2)<<2);Oq(h)}h=g+64|0;i=f[h>>2]|0;f[h>>2]=0;if(i|0){h=f[i>>2]|0;if(h|0){d=i+4|0;if((f[d>>2]|0)!=(h|0))f[d>>2]=h;Oq(h)}Oq(i)}Oq(g)}e=f[c>>2]|0}while((e|0)!=(b|0))}b=f[a>>2]|0;if(!b)return;Oq(b);return}function li(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[a+12>>2];h=b+16|0;i=h;j=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&j>>>0>0){l=k;m=j}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;j=h;l=f[j+4>>2]|0;m=f[j>>2]|0}f[g>>2]=f[a+20>>2];if((l|0)>0|(l|0)==0&m>>>0>0){u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;u=c;return 1}function mi(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=u;u=u+16|0;d=c;e=ln(16)|0;f[d>>2]=e;f[d+8>>2]=-2147483632;f[d+4>>2]=14;g=e;h=14408;i=g+14|0;do{b[g>>0]=b[h>>0]|0;g=g+1|0;h=h+1|0}while((g|0)<(i|0));b[e+14>>0]=0;e=Hk(a,d,-1)|0;if((b[d+11>>0]|0)<0)Oq(f[d>>2]|0);j=ln(16)|0;f[d>>2]=j;f[d+8>>2]=-2147483632;f[d+4>>2]=14;g=j;h=14423;i=g+14|0;do{b[g>>0]=b[h>>0]|0;g=g+1|0;h=h+1|0}while((g|0)<(i|0));b[j+14>>0]=0;j=Hk(a,d,-1)|0;if((b[d+11>>0]|0)>=0){k=(e|0)<(j|0);l=k?j:e;m=(l|0)==-1;n=m?5:l;u=c;return n|0}Oq(f[d>>2]|0);k=(e|0)<(j|0);l=k?j:e;m=(l|0)==-1;n=m?5:l;u=c;return n|0}function ni(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+16|0;d=c+8|0;e=c+4|0;g=c;f[g>>2]=f[a+12>>2];h=b+16|0;i=h;j=f[i>>2]|0;k=f[i+4>>2]|0;if((k|0)>0|(k|0)==0&j>>>0>0){l=k;m=j}else{f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;j=h;l=f[j+4>>2]|0;m=f[j>>2]|0}f[g>>2]=f[a+16>>2];if((l|0)>0|(l|0)==0&m>>>0>0){u=c;return 1}f[e>>2]=f[b+4>>2];f[d>>2]=f[e>>2];Me(b,d,g,g+4|0)|0;u=c;return 1}function oi(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;g=ln(32)|0;f[a>>2]=g;f[a+4>>2]=c+8;c=a+8|0;b[c>>0]=0;h=g+8|0;f[h>>2]=f[e>>2];f[h+4>>2]=f[e+4>>2];f[h+8>>2]=f[e+8>>2];f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;h=g+20|0;i=e+12|0;f[h>>2]=0;f[g+24>>2]=0;f[g+28>>2]=0;g=e+16|0;e=f[g>>2]|0;j=f[i>>2]|0;k=e-j|0;if(!k){l=j;m=e;n=0}else{Fi(h,k);l=f[i>>2]|0;m=f[g>>2]|0;n=f[h>>2]|0}kh(n|0,l|0,m-l|0)|0;b[c>>0]=1;c=f[a>>2]|0;f[c+4>>2]=d;f[c>>2]=0;return}function pi(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0;b=a+32|0;ld(a,b);c=a+80|0;d=f[c>>2]|0;if((d|0?(e=a+84|0,(f[e>>2]|0)>0):0)?(ld(d,b),(f[e>>2]|0)>1):0){d=1;do{ld((f[c>>2]|0)+(d<<5)|0,b);d=d+1|0}while((d|0)<(f[e>>2]|0))}e=a+136|0;d=a+140|0;a=f[e>>2]|0;if((f[d>>2]|0)==(a|0))return;c=0;g=a;while(1){a=g;ci((f[a+(c*12|0)+4>>2]|0)-(f[a+(c*12|0)>>2]|0)>>2,b)|0;a=f[e>>2]|0;h=f[a+(c*12|0)>>2]|0;i=(f[a+(c*12|0)+4>>2]|0)-h>>2;if(!i)j=a;else{Mc(h,i,1,0,b)|0;j=f[e>>2]|0}c=c+1|0;if(c>>>0>=(((f[d>>2]|0)-j|0)/12|0)>>>0)break;else g=j}return}function qi(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;e=d+16|0;g=f[e>>2]|0;if(!g)if(!(vl(d)|0)){h=f[e>>2]|0;i=5}else j=0;else{h=g;i=5}a:do if((i|0)==5){g=d+20|0;e=f[g>>2]|0;k=e;if((h-e|0)>>>0>>0){j=Sa[f[d+36>>2]&31](d,a,c)|0;break}b:do if((b[d+75>>0]|0)>-1){e=c;while(1){if(!e){l=0;m=a;n=c;o=k;break b}p=e+-1|0;if((b[a+p>>0]|0)==10)break;else e=p}p=Sa[f[d+36>>2]&31](d,a,e)|0;if(p>>>0>>0){j=p;break a}l=e;m=a+e|0;n=c-e|0;o=f[g>>2]|0}else{l=0;m=a;n=c;o=k}while(0);kh(o|0,m|0,n|0)|0;f[g>>2]=(f[g>>2]|0)+n;j=l+n|0}while(0);return j|0}function ri(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+12|0;d=f[c>>2]|0;f[c>>2]=0;if(d|0){c=f[d+28>>2]|0;if(c|0){e=c;do{c=e;e=f[e>>2]|0;ri(c+8|0);Oq(c)}while((e|0)!=0)}e=d+20|0;c=f[e>>2]|0;f[e>>2]=0;if(c|0)Oq(c);c=f[d+8>>2]|0;if(c|0){e=c;do{c=e;e=f[e>>2]|0;g=c+8|0;h=f[c+20>>2]|0;if(h|0){i=c+24|0;if((f[i>>2]|0)!=(h|0))f[i>>2]=h;Oq(h)}if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);Oq(c)}while((e|0)!=0)}e=f[d>>2]|0;f[d>>2]=0;if(e|0)Oq(e);Oq(d)}if((b[a+11>>0]|0)>=0)return;Oq(f[a>>2]|0);return}function si(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,o=0;g=u;u=u+32|0;h=g+12|0;i=g;f[h>>2]=0;f[h+4>>2]=0;f[h+8>>2]=0;if((e|0)>0){j=i+11|0;k=i+4|0;l=0;do{if((l|0)>0)An(h,14477)|0;il(i,$(n[d+(l<<2)>>2]));m=b[j>>0]|0;o=m<<24>>24<0;lj(h,o?f[i>>2]|0:i,o?f[k>>2]|0:m&255)|0;if((b[j>>0]|0)<0)Oq(f[i>>2]|0);l=l+1|0}while((l|0)<(e|0))}am(Ai(a,c)|0,h)|0;if((b[h+11>>0]|0)>=0){u=g;return}Oq(f[h>>2]|0);u=g;return}function ti(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=u;u=u+16|0;d=c;if((Qa[f[(f[b>>2]|0)+20>>2]&127](b)|0)<=0){e=1;u=c;return e|0}g=a+4|0;h=a+20|0;i=a+24|0;j=a+16|0;a=0;while(1){k=f[(f[g>>2]|0)+4>>2]|0;l=dm(k,Ra[f[(f[b>>2]|0)+24>>2]&127](b,a)|0)|0;f[d>>2]=l;if((l|0)==-1)break;k=f[h>>2]|0;if((k|0)==(f[i>>2]|0))Ri(j,d);else{f[k>>2]=l;f[h>>2]=k+4}gl(f[g>>2]|0,f[d>>2]|0)|0;a=a+1|0;if((a|0)>=(Qa[f[(f[b>>2]|0)+20>>2]&127](b)|0)){e=1;m=9;break}}if((m|0)==9){u=c;return e|0}e=0;u=c;return e|0}function ui(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;f[a>>2]=1292;hi(a+60|0);b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=a+36|0;d=f[b>>2]|0;if(d|0){c=a+40|0;e=f[c>>2]|0;if((e|0)==(d|0))g=d;else{h=e;do{e=h+-24|0;f[c>>2]=e;Va[f[f[e>>2]>>2]&127](e);h=f[c>>2]|0}while((h|0)!=(d|0));g=f[b>>2]|0}Oq(g)}f[a>>2]=1232;g=f[a+16>>2]|0;if(g|0){b=a+20|0;d=f[b>>2]|0;if((d|0)!=(g|0))f[b>>2]=d+(~((d+-4-g|0)>>>2)<<2);Oq(g)}g=f[a+4>>2]|0;if(!g)return;d=a+8|0;a=f[d>>2]|0;if((a|0)!=(g|0))f[d>>2]=a+(~((a+-4-g|0)>>>2)<<2);Oq(g);return}function vi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;c=u;u=u+32|0;d=c+16|0;e=c+8|0;g=c;h=a+8|0;if(f[h>>2]<<5>>>0>=b>>>0){u=c;return}f[d>>2]=0;i=d+4|0;f[i>>2]=0;j=d+8|0;f[j>>2]=0;if((b|0)<0)aq(d);k=((b+-1|0)>>>5)+1|0;b=ln(k<<2)|0;f[d>>2]=b;f[i>>2]=0;f[j>>2]=k;k=f[a>>2]|0;f[e>>2]=k;f[e+4>>2]=0;b=a+4|0;l=f[b>>2]|0;f[g>>2]=k+(l>>>5<<2);f[g+4>>2]=l&31;zg(d,e,g);g=f[a>>2]|0;f[a>>2]=f[d>>2];f[d>>2]=g;d=f[b>>2]|0;f[b>>2]=f[i>>2];f[i>>2]=d;d=f[h>>2]|0;f[h>>2]=f[j>>2];f[j>>2]=d;if(g|0)Oq(g);u=c;return}function wi(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;b=a+136|0;c=f[b>>2]|0;if(c|0){d=a+140|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e;while(1){e=h+-12|0;f[d>>2]=e;i=f[e>>2]|0;if(!i)j=e;else{e=h+-8|0;k=f[e>>2]|0;if((k|0)!=(i|0))f[e>>2]=k+(~((k+-4-i|0)>>>2)<<2);Oq(i);j=f[d>>2]|0}if((j|0)==(c|0))break;else h=j}g=f[b>>2]|0}Oq(g)}g=f[a+104>>2]|0;if(g|0){b=a+108|0;j=f[b>>2]|0;if((j|0)!=(g|0))f[b>>2]=j+(~((j+-4-g|0)>>>2)<<2);Oq(g)}g=f[a+92>>2]|0;if(!g){uj(a);return}j=a+96|0;b=f[j>>2]|0;if((b|0)!=(g|0))f[j>>2]=b+(~((b+-4-g|0)>>>2)<<2);Oq(g);uj(a);return}function xi(a){a=a|0;var c=0,d=0,e=0,g=0;f[a>>2]=3680;c=a+72|0;d=a+136|0;e=a+4|0;g=e+64|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));e=c;g=e+64|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));n[d>>2]=$(1.0);d=a+140|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;f[a+164>>2]=-1;d=a+168|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;f[d+24>>2]=0;wn(a+200|0);Gn(a+232|0);d=a+316|0;e=a+264|0;g=e+52|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));f[d>>2]=-1;f[a+320>>2]=-1;f[a+324>>2]=0;f[a+328>>2]=2;f[a+332>>2]=7;f[a+336>>2]=0;f[a+340>>2]=0;f[a+344>>2]=0;b[a+352>>0]=0;return}function yi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d|0;g=(e|0)/12|0;h=g+1|0;if(h>>>0>357913941)aq(a);i=a+8|0;j=((f[i>>2]|0)-d|0)/12|0;k=j<<1;l=j>>>0<178956970?(k>>>0>>0?h:k):357913941;do if(l)if(l>>>0>357913941){k=ra(8)|0;Oo(k,16035);f[k>>2]=7256;va(k|0,1112,110)}else{m=ln(l*12|0)|0;break}else m=0;while(0);k=m+(g*12|0)|0;f[k>>2]=f[b>>2];f[k+4>>2]=f[b+4>>2];f[k+8>>2]=f[b+8>>2];b=k+(((e|0)/-12|0)*12|0)|0;if((e|0)>0)kh(b|0,d|0,e|0)|0;f[a>>2]=b;f[c>>2]=k+12;f[i>>2]=m+(l*12|0);if(!d)return;Oq(d);return}function zi(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;g=a+16|0;h=g;i=f[h+4>>2]|0;if((d|0)<0|(d|0)==0&c>>>0<1|((i|0)>0|(i|0)==0&(f[h>>2]|0)>>>0>0)){j=0;return j|0}b[a+24>>0]=e&1;h=Vn(c|0,d|0,7,0)|0;d=Ik(h|0,I|0,8,0)|0;h=I;c=g;f[c>>2]=d;f[c+4>>2]=h;c=a+4|0;g=f[c>>2]|0;i=f[a>>2]|0;k=g-i|0;l=Vn(k|0,0,8,0)|0;m=e?l:k;l=Vn(m|0,(e?I:0)|0,d|0,h|0)|0;h=i;i=g;if(k>>>0>=l>>>0)if(k>>>0>l>>>0?(g=h+l|0,(g|0)!=(i|0)):0){f[c>>2]=g;n=h}else n=h;else{Fi(a,l-k|0);n=f[a>>2]|0}k=ln(8)|0;f[k>>2]=n+m;f[k+4>>2]=0;m=a+12|0;a=f[m>>2]|0;f[m>>2]=k;if(!a){j=1;return j|0}Oq(a);j=1;return j|0}function Ai(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=u;u=u+16|0;d=c;e=yg(a,d,b)|0;g=f[e>>2]|0;if(g|0){h=g;i=h+28|0;u=c;return i|0}g=ln(40)|0;pj(g+16|0,b);b=g+28|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;b=f[d>>2]|0;f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=b;f[e>>2]=g;b=f[f[a>>2]>>2]|0;if(!b)j=g;else{f[a>>2]=b;j=f[e>>2]|0}Oe(f[a+4>>2]|0,j);j=a+8|0;f[j>>2]=(f[j>>2]|0)+1;h=g;i=h+28|0;u=c;return i|0}function Bi(a,c,d,e,g,h,i,j){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;j=j|0;var k=0,l=0,m=0,n=0,o=0,p=0;k=u;u=u+16|0;l=k;if((-18-c|0)>>>0>>0)aq(a);if((b[a+11>>0]|0)<0)m=f[a>>2]|0;else m=a;if(c>>>0<2147483623){n=d+c|0;d=c<<1;o=n>>>0>>0?d:n;p=o>>>0<11?11:o+16&-16}else p=-17;o=ln(p)|0;if(g|0)Fo(o,m,g)|0;if(i|0)Fo(o+g|0,j,i)|0;j=e-h|0;e=j-g|0;if(e|0)Fo(o+g+i|0,m+g+h|0,e)|0;if((c|0)!=10)Oq(m);f[a>>2]=o;f[a+8>>2]=p|-2147483648;p=j+i|0;f[a+4>>2]=p;b[l>>0]=0;up(o+p|0,l);u=k;return}function Ci(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+8|0;d=f[c>>2]|0;e=a+4|0;g=f[e>>2]|0;if(d-g>>2>>>0>=b>>>0){sj(g|0,0,b<<2|0)|0;f[e>>2]=g+(b<<2);return}h=f[a>>2]|0;i=g-h|0;g=i>>2;j=g+b|0;if(j>>>0>1073741823)aq(a);k=d-h|0;d=k>>1;l=k>>2>>>0<536870911?(d>>>0>>0?j:d):1073741823;do if(l)if(l>>>0>1073741823){d=ra(8)|0;Oo(d,16035);f[d>>2]=7256;va(d|0,1112,110)}else{d=ln(l<<2)|0;m=d;n=d;break}else{m=0;n=0}while(0);d=m+(g<<2)|0;sj(d|0,0,b<<2|0)|0;if((i|0)>0)kh(n|0,h|0,i|0)|0;f[a>>2]=m;f[e>>2]=d+(b<<2);f[c>>2]=m+(l<<2);if(!h)return;Oq(h);return}function Di(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;g=ln(32)|0;f[a>>2]=g;f[a+4>>2]=c+8;c=a+8|0;b[c>>0]=0;pj(g+8|0,e);h=g+20|0;i=e+12|0;f[h>>2]=0;f[g+24>>2]=0;f[g+28>>2]=0;g=e+16|0;e=f[g>>2]|0;j=f[i>>2]|0;k=e-j|0;if(!k){l=j;m=e;n=0}else{Fi(h,k);l=f[i>>2]|0;m=f[g>>2]|0;n=f[h>>2]|0}kh(n|0,l|0,m-l|0)|0;b[c>>0]=1;c=f[a>>2]|0;f[c+4>>2]=d;f[c>>2]=0;return}function Ei(a,c,d){a=a|0;c=c|0;d=$(d);var e=0,g=0,h=0,i=0,j=0,k=0.0,l=0,m=0,n=0,o=0;e=u;u=u+16|0;g=e;h=c+11|0;i=b[h>>0]|0;if(i<<24>>24<0)j=f[c+4>>2]|0;else j=i&255;k=+d;l=j;j=i;while(1){if(j<<24>>24<0)m=f[c>>2]|0;else m=c;p[g>>3]=k;n=Bn(m,l+1|0,18562,g)|0;if((n|0)>-1)if(n>>>0>l>>>0)o=n;else break;else o=l<<1|1;Hj(c,o,0);l=o;j=b[h>>0]|0}Hj(c,n,0);f[a>>2]=f[c>>2];f[a+4>>2]=f[c+4>>2];f[a+8>>2]=f[c+8>>2];a=0;while(1){if((a|0)==3)break;f[c+(a<<2)>>2]=0;a=a+1|0}u=e;return}function Fi(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;d=a+8|0;e=f[d>>2]|0;g=a+4|0;h=f[g>>2]|0;if((e-h|0)>>>0>=c>>>0){i=c;j=h;do{b[j>>0]=0;j=(f[g>>2]|0)+1|0;f[g>>2]=j;i=i+-1|0}while((i|0)!=0);return}i=f[a>>2]|0;j=h-i|0;h=j+c|0;if((h|0)<0)aq(a);k=e-i|0;i=k<<1;e=k>>>0<1073741823?(i>>>0>>0?h:i):2147483647;if(!e)l=0;else l=ln(e)|0;i=l+j|0;j=l+e|0;e=c;c=i;l=i;do{b[l>>0]=0;l=c+1|0;c=l;e=e+-1|0}while((e|0)!=0);e=f[a>>2]|0;l=(f[g>>2]|0)-e|0;h=i+(0-l)|0;if((l|0)>0)kh(h|0,e|0,l|0)|0;f[a>>2]=h;f[g>>2]=c;f[d>>2]=j;if(!e)return;Oq(e);return}function Gi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=(d-e|0)/136|0;h=d;if(g>>>0>>0){Ge(a,b-g|0);return}if(g>>>0<=b>>>0)return;g=e+(b*136|0)|0;if((g|0)==(h|0))return;else i=h;do{f[c>>2]=i+-136;h=f[i+-20>>2]|0;if(h|0){b=i+-16|0;e=f[b>>2]|0;if((e|0)!=(h|0))f[b>>2]=e+(~((e+-4-h|0)>>>2)<<2);Oq(h)}h=f[i+-32>>2]|0;if(h|0){e=i+-28|0;b=f[e>>2]|0;if((b|0)!=(h|0))f[e>>2]=b+(~((b+-4-h|0)>>>2)<<2);Oq(h)}Mi(i+-132|0);i=f[c>>2]|0}while((i|0)!=(g|0));return}function Hi(a,b){a=a|0;b=b|0;var c=0,d=Oa,e=0,g=0;if((b|0)!=1)if(!(b+-1&b))c=b;else c=cb(b)|0;else c=2;b=f[a+4>>2]|0;if(c>>>0>b>>>0){Sd(a,c);return}if(c>>>0>=b>>>0)return;d=$((f[a+12>>2]|0)>>>0);e=~~$(W($(d/$(n[a+16>>2]))))>>>0;if(b>>>0>2&(b+-1&b|0)==0)g=1<<32-(_(e+-1|0)|0);else g=cb(e)|0;e=c>>>0>>0?g:c;if(e>>>0>=b>>>0)return;Sd(a,e);return}function Ii(a){a=a|0;var b=0,c=0,d=0;b=f[a+76>>2]|0;if(b|0){c=a+80|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+64>>2]|0;if(b|0){d=a+68|0;if((f[d>>2]|0)!=(b|0))f[d>>2]=b;Oq(b)}b=f[a+48>>2]|0;if(b|0){d=a+52|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+24>>2]|0;if(b|0){c=a+28|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+12>>2]|0;if(b|0){d=a+16|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a>>2]|0;if(!b)return;c=a+4|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function Ji(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;e=u;u=u+16|0;g=e;h=c+11|0;i=b[h>>0]|0;if(i<<24>>24<0)j=f[c+4>>2]|0;else j=i&255;k=j;j=i;while(1){if(j<<24>>24<0)l=f[c>>2]|0;else l=c;f[g>>2]=d;m=Bn(l,k+1|0,18559,g)|0;if((m|0)>-1)if(m>>>0>k>>>0)n=m;else break;else n=k<<1|1;Hj(c,n,0);k=n;j=b[h>>0]|0}Hj(c,m,0);f[a>>2]=f[c>>2];f[a+4>>2]=f[c+4>>2];f[a+8>>2]=f[c+8>>2];a=0;while(1){if((a|0)==3)break;f[c+(a<<2)>>2]=0;a=a+1|0}u=e;return}function Ki(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;b=a+8|0;c=f[b>>2]|0;if((c|0)<0){d=0;return d|0}e=a+4|0;a=f[e>>2]|0;g=a+4|0;h=f[g>>2]|0;i=f[a>>2]|0;j=h-i>>2;k=i;i=h;if(c>>>0<=j>>>0)if(c>>>0>>0?(h=k+(c<<2)|0,(h|0)!=(i|0)):0){f[g>>2]=i+(~((i+-4-h|0)>>>2)<<2);l=c}else l=c;else{Ci(a,c-j|0);l=f[b>>2]|0}if((l|0)<=0){d=1;return d|0}b=f[e>>2]|0;e=f[b>>2]|0;j=(f[b+4>>2]|0)-e>>2;c=e;e=0;while(1){if(j>>>0<=e>>>0){m=10;break}f[c+(e<<2)>>2]=e;e=e+1|0;if((e|0)>=(l|0)){d=1;m=12;break}}if((m|0)==10)aq(b);else if((m|0)==12)return d|0;return 0}function Li(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=u;u=u+16|0;g=e;h=ln(16)|0;f[g>>2]=h;f[g+8>>2]=-2147483632;f[g+4>>2]=14;i=h;j=14408;k=i+14|0;do{b[i>>0]=b[j>>0]|0;i=i+1|0;j=j+1|0}while((i|0)<(k|0));b[h+14>>0]=0;Xj(a,g,c);if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);c=ln(16)|0;f[g>>2]=c;f[g+8>>2]=-2147483632;f[g+4>>2]=14;i=c;j=14423;k=i+14|0;do{b[i>>0]=b[j>>0]|0;i=i+1|0;j=j+1|0}while((i|0)<(k|0));b[c+14>>0]=0;Xj(a,g,d);if((b[g+11>>0]|0)>=0){u=e;return}Oq(f[g>>2]|0);u=e;return}function Mi(a){a=a|0;var b=0,c=0,d=0;b=f[a+84>>2]|0;if(b|0){c=a+88|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+72>>2]|0;if(b|0){d=a+76|0;if((f[d>>2]|0)!=(b|0))f[d>>2]=b;Oq(b)}b=f[a+52>>2]|0;if(b|0){d=a+56|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+40>>2]|0;if(b|0){c=a+44|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+28>>2]|0;if(b|0){d=a+32|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+12>>2]|0;if(b|0)Oq(b);b=f[a>>2]|0;if(!b)return;Oq(b);return}function Ni(a){a=a|0;var b=0,c=0,d=0,e=0;f[a>>2]=1352;b=a+32|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0){b=c+88|0;d=f[b>>2]|0;f[b>>2]=0;if(d|0){b=f[d+8>>2]|0;if(b|0){e=d+12|0;if((f[e>>2]|0)!=(b|0))f[e>>2]=b;Oq(b)}Oq(d)}d=f[c+68>>2]|0;if(d|0){b=c+72|0;e=f[b>>2]|0;if((e|0)!=(d|0))f[b>>2]=e+(~((e+-4-d|0)>>>2)<<2);Oq(d)}d=c+64|0;e=f[d>>2]|0;f[d>>2]=0;if(e|0){d=f[e>>2]|0;if(d|0){b=e+4|0;if((f[b>>2]|0)!=(d|0))f[b>>2]=d;Oq(d)}Oq(e)}Oq(c)}c=f[a+16>>2]|0;if(!c)return;e=a+20|0;a=f[e>>2]|0;if((a|0)!=(c|0))f[e>>2]=a+(~((a+-4-c|0)>>>2)<<2);Oq(c);return}function Oi(){var a=0,b=0,c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0;a=u;u=u+48|0;b=a+32|0;c=a+24|0;d=a+16|0;e=a;g=a+36|0;a=sn()|0;if(a|0?(h=f[a>>2]|0,h|0):0){a=h+48|0;i=f[a>>2]|0;j=f[a+4>>2]|0;if(!((i&-256|0)==1126902528&(j|0)==1129074247)){f[c>>2]=18701;Hn(18651,c)}if((i|0)==1126902529&(j|0)==1129074247)k=f[h+44>>2]|0;else k=h+80|0;f[g>>2]=k;k=f[h>>2]|0;h=f[k+4>>2]|0;if(Sa[f[(f[258]|0)+16>>2]&31](1032,k,g)|0){k=f[g>>2]|0;g=Qa[f[(f[k>>2]|0)+8>>2]&127](k)|0;f[e>>2]=18701;f[e+4>>2]=h;f[e+8>>2]=g;Hn(18565,e)}else{f[d>>2]=18701;f[d+4>>2]=h;Hn(18610,d)}}Hn(18689,b)}function Pi(a,c,d){a=a|0;c=c|0;d=d|0;var e=0;do if(a){if(c>>>0<128){b[a>>0]=c;e=1;break}d=(Jq()|0)+188|0;if(!(f[f[d>>2]>>2]|0))if((c&-128|0)==57216){b[a>>0]=c;e=1;break}else{d=Vq()|0;f[d>>2]=84;e=-1;break}if(c>>>0<2048){b[a>>0]=c>>>6|192;b[a+1>>0]=c&63|128;e=2;break}if(c>>>0<55296|(c&-8192|0)==57344){b[a>>0]=c>>>12|224;b[a+1>>0]=c>>>6&63|128;b[a+2>>0]=c&63|128;e=3;break}if((c+-65536|0)>>>0<1048576){b[a>>0]=c>>>18|240;b[a+1>>0]=c>>>12&63|128;b[a+2>>0]=c>>>6&63|128;b[a+3>>0]=c&63|128;e=4;break}else{d=Vq()|0;f[d>>2]=84;e=-1;break}}else e=1;while(0);return e|0}function Qi(a){a=a|0;var b=0,c=0,d=0;b=f[a+92>>2]|0;if(b|0){c=a+96|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+76>>2]|0;if(b|0){d=a+80|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+64>>2]|0;if(b|0){c=a+68|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+52>>2]|0;if(b|0){d=a+56|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}f[a+4>>2]=3636;b=f[a+24>>2]|0;if(b|0)Oq(b);b=f[a+12>>2]|0;if(!b)return;Oq(b);return}function Ri(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;c=a+4|0;d=f[a>>2]|0;e=(f[c>>2]|0)-d|0;g=e>>2;h=g+1|0;if(h>>>0>1073741823)aq(a);i=a+8|0;j=(f[i>>2]|0)-d|0;k=j>>1;l=j>>2>>>0<536870911?(k>>>0>>0?h:k):1073741823;do if(l)if(l>>>0>1073741823){k=ra(8)|0;Oo(k,16035);f[k>>2]=7256;va(k|0,1112,110)}else{k=ln(l<<2)|0;m=k;n=k;break}else{m=0;n=0}while(0);k=m+(g<<2)|0;f[k>>2]=f[b>>2];if((e|0)>0)kh(n|0,d|0,e|0)|0;f[a>>2]=m;f[c>>2]=k+4;f[i>>2]=m+(l<<2);if(!d)return;Oq(d);return}function Si(a){a=a|0;var c=0,d=0,e=0,g=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0;c=a+104|0;d=f[c>>2]|0;if((d|0)!=0?(f[a+108>>2]|0)>=(d|0):0)e=4;else{d=Wm(a)|0;if((d|0)>=0){g=f[c>>2]|0;c=a+8|0;if(g){i=f[c>>2]|0;j=f[a+4>>2]|0;k=g-(f[a+108>>2]|0)|0;g=i;if((i-j|0)<(k|0)){l=g;m=g}else{l=j+(k+-1)|0;m=g}}else{g=f[c>>2]|0;l=g;m=g}f[a+100>>2]=l;l=a+4|0;if(!m)n=f[l>>2]|0;else{g=f[l>>2]|0;l=a+108|0;f[l>>2]=m+1-g+(f[l>>2]|0);n=g}g=n+-1|0;if((d|0)==(h[g>>0]|0|0))o=d;else{b[g>>0]=d;o=d}}else e=4}if((e|0)==4){f[a+100>>2]=0;o=-1}return o|0}function Ti(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;f[a>>2]=1544;f[a+4>>2]=b;b=a+8|0;f[b>>2]=f[c>>2];f[b+4>>2]=f[c+4>>2];f[b+8>>2]=f[c+8>>2];f[b+12>>2]=f[c+12>>2];f[b+16>>2]=f[c+16>>2];f[b+20>>2]=f[c+20>>2];fk(a+32|0,c+24|0);f[a>>2]=2384;c=a+44|0;f[c>>2]=f[d>>2];f[c+4>>2]=f[d+4>>2];f[c+8>>2]=f[d+8>>2];f[c+12>>2]=f[d+12>>2];f[a>>2]=2440;d=a+112|0;c=a+60|0;b=c+52|0;do{f[c>>2]=0;c=c+4|0}while((c|0)<(b|0));Zm(d);f[a+152>>2]=0;f[a+156>>2]=0;f[a+160>>2]=0;return}function Ui(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;f[a>>2]=1544;f[a+4>>2]=b;b=a+8|0;f[b>>2]=f[c>>2];f[b+4>>2]=f[c+4>>2];f[b+8>>2]=f[c+8>>2];f[b+12>>2]=f[c+12>>2];f[b+16>>2]=f[c+16>>2];f[b+20>>2]=f[c+20>>2];fk(a+32|0,c+24|0);f[a>>2]=1964;c=a+44|0;f[c>>2]=f[d>>2];f[c+4>>2]=f[d+4>>2];f[c+8>>2]=f[d+8>>2];f[c+12>>2]=f[d+12>>2];f[a>>2]=2020;d=a+112|0;c=a+60|0;b=c+52|0;do{f[c>>2]=0;c=c+4|0}while((c|0)<(b|0));Zm(d);f[a+152>>2]=0;f[a+156>>2]=0;f[a+160>>2]=0;return}function Vi(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2440;b=f[a+152>>2]|0;if(b|0){c=a+156|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+112>>2]|0;if(b|0){d=a+116|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+96>>2]|0;if(b|0)Oq(b);b=f[a+84>>2]|0;if(b|0)Oq(b);b=f[a+72>>2]|0;if(b|0)Oq(b);b=f[a+60>>2]|0;if(b|0)Oq(b);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function Wi(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0;d=u;u=u+16|0;e=d;g=f[(f[c+4>>2]|0)+4>>2]|0;if(!g){f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;u=d;return}if(!(Dj(d+12|0,f[c+44>>2]|0,g)|0)){g=ln(32)|0;f[e>>2]=g;f[e+8>>2]=-2147483616;f[e+4>>2]=26;c=g;h=15859;i=c+26|0;do{b[c>>0]=b[h>>0]|0;c=c+1|0;h=h+1|0}while((c|0)<(i|0));b[g+26>>0]=0;f[a>>2]=-1;pj(a+4|0,e);if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0)}else{f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0}u=d;return}function Xi(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0;c=b+48|0;if((mi(f[c>>2]|0)|0)>9){d=0;return d|0}if((Qa[f[(f[b>>2]|0)+8>>2]&127](b)|0)!=1){d=0;return d|0}e=b+4|0;b=(f[(f[(f[e>>2]|0)+8>>2]|0)+(a<<2)>>2]|0)+56|0;a=f[b>>2]|0;do if((a|0)==3)if((mi(f[c>>2]|0)|0)<4){d=5;return d|0}else{g=f[b>>2]|0;break}else g=a;while(0);a=mi(f[c>>2]|0)|0;if((g|0)==1){d=(a|0)<4?6:0;return d|0}if((a|0)>7){d=0;return d|0}if((mi(f[c>>2]|0)|0)>1){d=1;return d|0}else return ((f[(f[e>>2]|0)+80>>2]|0)>>>0<40?1:4)|0;return 0}function Yi(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2020;b=f[a+152>>2]|0;if(b|0){c=a+156|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+112>>2]|0;if(b|0){d=a+116|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+96>>2]|0;if(b|0)Oq(b);b=f[a+84>>2]|0;if(b|0)Oq(b);b=f[a+72>>2]|0;if(b|0)Oq(b);b=f[a+60>>2]|0;if(b|0)Oq(b);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function Zi(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0;g=u;u=u+128|0;h=g+124|0;i=g;j=i;k=6596;l=j+124|0;do{f[j>>2]=f[k>>2];j=j+4|0;k=k+4|0}while((j|0)<(l|0));if((c+-1|0)>>>0>2147483646)if(!c){m=h;n=1;o=4}else{h=Vq()|0;f[h>>2]=75;p=-1}else{m=a;n=c;o=4}if((o|0)==4){o=-2-m|0;c=n>>>0>o>>>0?o:n;f[i+48>>2]=c;n=i+20|0;f[n>>2]=m;f[i+44>>2]=m;o=m+c|0;m=i+16|0;f[m>>2]=o;f[i+28>>2]=o;o=Ah(i,d,e)|0;if(!c)p=o;else{c=f[n>>2]|0;b[c+(((c|0)==(f[m>>2]|0))<<31>>31)>>0]=0;p=o}}u=g;return p|0}function _i(a){a=a|0;var c=0,d=0,e=0,g=0;f[a>>2]=3480;c=a+72|0;d=a+136|0;e=a+4|0;g=e+64|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));e=c;g=e+64|0;do{f[e>>2]=0;e=e+4|0}while((e|0)<(g|0));n[d>>2]=$(1.0);d=a+140|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;f[a+164>>2]=-1;d=a+168|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;f[d+24>>2]=0;wn(a+200|0);Gn(a+232|0);d=a+264|0;f[d>>2]=0;f[d+4>>2]=0;f[d+8>>2]=0;f[d+12>>2]=0;f[d+16>>2]=0;f[d+20>>2]=0;b[d+24>>0]=0;return}function $i(a,c,d,e){a=a|0;c=c|0;d=d|0;e=+e;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;a=u;u=u+16|0;g=a;if(!c){h=0;u=a;return h|0}f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;i=Gj(d)|0;if(i>>>0>4294967279)aq(g);if(i>>>0<11){b[g+11>>0]=i;if(!i)j=g;else{k=g;l=7}}else{m=i+16&-16;n=ln(m)|0;f[g>>2]=n;f[g+8>>2]=m|-2147483648;f[g+4>>2]=i;k=n;l=7}if((l|0)==7){kh(k|0,d|0,i|0)|0;j=k}b[j+i>>0]=0;Zl(c,g,e);if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);h=1;u=a;return h|0}function aj(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;a=u;u=u+16|0;g=a;if(!c){h=0;u=a;return h|0}f[g>>2]=0;f[g+4>>2]=0;f[g+8>>2]=0;i=Gj(d)|0;if(i>>>0>4294967279)aq(g);if(i>>>0<11){b[g+11>>0]=i;if(!i)j=g;else{k=g;l=7}}else{m=i+16&-16;n=ln(m)|0;f[g>>2]=n;f[g+8>>2]=m|-2147483648;f[g+4>>2]=i;k=n;l=7}if((l|0)==7){kh(k|0,d|0,i|0)|0;j=k}b[j+i>>0]=0;$l(c,g,e);if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);h=1;u=a;return h|0}function bj(a){a=a|0;var c=0,d=0,e=0,g=0,h=0;c=f[a+28>>2]|0;if(c|0){d=c;do{c=d;d=f[d>>2]|0;e=c+8|0;g=c+20|0;h=f[g>>2]|0;f[g>>2]=0;if(h|0){bj(h);Oq(h)}if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);Oq(c)}while((d|0)!=0)}d=a+20|0;c=f[d>>2]|0;f[d>>2]=0;if(c|0)Oq(c);c=f[a+8>>2]|0;if(c|0){d=c;do{c=d;d=f[d>>2]|0;e=c+8|0;h=f[c+20>>2]|0;if(h|0){g=c+24|0;if((f[g>>2]|0)!=(h|0))f[g>>2]=h;Oq(h)}if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);Oq(c)}while((d|0)!=0)}d=f[a>>2]|0;f[a>>2]=0;if(!d)return;Oq(d);return}function cj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0;e=u;u=u+16|0;g=e;h=f[c+36>>2]|0;if(!h){i=ln(32)|0;f[g>>2]=i;f[g+8>>2]=-2147483616;f[g+4>>2]=23;j=i;k=15706;l=j+23|0;do{b[j>>0]=b[k>>0]|0;j=j+1|0;k=k+1|0}while((j|0)<(l|0));b[i+23>>0]=0;f[a>>2]=-1;pj(a+4|0,g);if((b[g+11>>0]|0)<0)Oq(f[g>>2]|0);u=e;return}g=f[c+40>>2]|0;if(!g){Sc(a,c,h,d);u=e;return}else{bi(a,c,g,d);u=e;return}}function dj(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;tk(a);b=a+84|0;c=f[b>>2]|0;if((c|0)<=0)return;d=c<<5;e=Lq(c>>>0>134217727|d>>>0>4294967291?-1:d+4|0)|0;f[e>>2]=c;d=e+4|0;e=d+(c<<5)|0;c=d;do{wn(c);c=c+32|0}while((c|0)!=(e|0));e=a+80|0;a=f[e>>2]|0;f[e>>2]=d;if(a|0){d=a+-4|0;c=f[d>>2]|0;if(c|0){g=a+(c<<5)|0;do{g=g+-32|0;Fj(g)}while((g|0)!=(a|0))}Mq(d)}if((f[b>>2]|0)>0)h=0;else return;do{tk((f[e>>2]|0)+(h<<5)|0);h=h+1|0}while((h|0)<(f[b>>2]|0));return}function ej(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;if(!b){d=0;return d|0}if(f[b+4>>2]|0){d=0;return d|0}a=ln(52)|0;Ub(a,c);f[a+40>>2]=0;f[a+44>>2]=0;f[a+48>>2]=0;c=b+4|0;b=f[c>>2]|0;f[c>>2]=a;if(!b){d=1;return d|0}a=b+40|0;c=f[a>>2]|0;if(c|0){e=b+44|0;g=f[e>>2]|0;if((g|0)==(c|0))h=c;else{i=g;do{g=i+-4|0;f[e>>2]=g;j=f[g>>2]|0;f[g>>2]=0;if(j|0){bj(j);Oq(j)}i=f[e>>2]|0}while((i|0)!=(c|0));h=f[a>>2]|0}Oq(h)}bj(b);Oq(b);d=1;return d|0}function fj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;c=f[a>>2]|0;if(b){b=c+8|0;d=b;e=Vn(f[d>>2]|0,f[d+4>>2]|0,1,0)|0;d=b;f[d>>2]=e;f[d+4>>2]=I;d=a+28|0;e=f[d>>2]|0;b=a+24|0;f[b>>2]=f[b>>2]|1<>2]|0,f[e+4>>2]|0,1,0)|0;e=c;f[e>>2]=d;f[e+4>>2]=I;e=a+28|0;g=e;h=f[e>>2]|0}e=h+1|0;f[g>>2]=e;if((e|0)!=32)return;e=a+24|0;h=a+16|0;d=f[h>>2]|0;if((d|0)==(f[a+20>>2]|0))Ri(a+12|0,e);else{f[d>>2]=f[e>>2];f[h>>2]=d+4}f[g>>2]=0;f[e>>2]=0;return}function gj(a,b){a=a|0;b=b|0;var c=0,d=0;c=a+32|0;a=f[b>>2]|0;f[b>>2]=0;b=f[c>>2]|0;f[c>>2]=a;if(!b)return;a=b+88|0;c=f[a>>2]|0;f[a>>2]=0;if(c|0){a=f[c+8>>2]|0;if(a|0){d=c+12|0;if((f[d>>2]|0)!=(a|0))f[d>>2]=a;Oq(a)}Oq(c)}c=f[b+68>>2]|0;if(c|0){a=b+72|0;d=f[a>>2]|0;if((d|0)!=(c|0))f[a>>2]=d+(~((d+-4-c|0)>>>2)<<2);Oq(c)}c=b+64|0;d=f[c>>2]|0;f[c>>2]=0;if(d|0){c=f[d>>2]|0;if(c|0){a=d+4|0;if((f[a>>2]|0)!=(c|0))f[a>>2]=c;Oq(c)}Oq(d)}Oq(b);return}function hj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;e=u;u=u+16|0;g=e;if(c|0){h=a+11|0;i=b[h>>0]|0;if(i<<24>>24<0){j=f[a+4>>2]|0;k=(f[a+8>>2]&2147483647)+-1|0}else{j=i&255;k=10}if((k-j|0)>>>0>>0){xj(a,k,c-k+j|0,j,j,0,0);l=b[h>>0]|0}else l=i;if(l<<24>>24<0)m=f[a>>2]|0;else m=a;Qn(m+j|0,c,d)|0;d=j+c|0;if((b[h>>0]|0)<0)f[a+4>>2]=d;else b[h>>0]=d;b[g>>0]=0;up(m+d|0,g)}u=e;return a|0}function ij(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+48|0;e=d+4|0;g=d;h=f[b+12>>2]|0;i=f[b+4>>2]|0;b=e;j=b+36|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(j|0));zh(g,c,h,i,e);i=f[e+24>>2]|0;if(!i){k=f[g>>2]|0;f[a>>2]=k;u=d;return}h=e+28|0;e=f[h>>2]|0;if((e|0)!=(i|0))f[h>>2]=e+(~((e+-4-i|0)>>>2)<<2);Oq(i);k=f[g>>2]|0;f[a>>2]=k;u=d;return}function jj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;e=u;u=u+16|0;g=e;h=a+11|0;i=b[h>>0]|0;j=i<<24>>24<0;if(j)k=(f[a+8>>2]&2147483647)+-1|0;else k=10;do if(k>>>0>=d>>>0){if(j)l=f[a>>2]|0;else l=a;Eo(l,c,d)|0;b[g>>0]=0;up(l+d|0,g);if((b[h>>0]|0)<0){f[a+4>>2]=d;break}else{b[h>>0]=d;break}}else{if(j)m=f[a+4>>2]|0;else m=i&255;Bi(a,k,d-k|0,m,0,m,d,c)}while(0);u=e;return a|0}function kj(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;b=f[a>>2]|0;if(!b)return;c=a+4|0;d=f[c>>2]|0;if((d|0)==(b|0))e=b;else{g=d;do{f[c>>2]=g+-136;d=f[g+-20>>2]|0;if(d|0){h=g+-16|0;i=f[h>>2]|0;if((i|0)!=(d|0))f[h>>2]=i+(~((i+-4-d|0)>>>2)<<2);Oq(d)}d=f[g+-32>>2]|0;if(d|0){i=g+-28|0;h=f[i>>2]|0;if((h|0)!=(d|0))f[i>>2]=h+(~((h+-4-d|0)>>>2)<<2);Oq(d)}Mi(g+-132|0);g=f[c>>2]|0}while((g|0)!=(b|0));e=f[a>>2]|0}Oq(e);return}function lj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;e=u;u=u+16|0;g=e;h=a+11|0;i=b[h>>0]|0;j=i<<24>>24<0;if(j){k=f[a+4>>2]|0;l=(f[a+8>>2]&2147483647)+-1|0}else{k=i&255;l=10}if((l-k|0)>>>0>=d>>>0){if(d|0){if(j)m=f[a>>2]|0;else m=a;Fo(m+k|0,c,d)|0;j=k+d|0;if((b[h>>0]|0)<0)f[a+4>>2]=j;else b[h>>0]=j;b[g>>0]=0;up(m+j|0,g)}}else Bi(a,l,d-l+k|0,k,k,0,d,c);u=e;return a|0}function mj(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;f[a>>2]=3932;b=f[a+32>>2]|0;if(b|0){c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+20>>2]|0;if(b|0){d=a+24|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=a+8|0;c=f[b>>2]|0;if(!c)return;d=a+12|0;a=f[d>>2]|0;if((a|0)==(c|0))e=c;else{g=a;do{a=g+-4|0;f[d>>2]=a;h=f[a>>2]|0;f[a>>2]=0;if(h|0)Va[f[(f[h>>2]|0)+4>>2]&127](h);g=f[d>>2]|0}while((g|0)!=(c|0));e=f[b>>2]|0}Oq(e);return}function nj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+4|0;if((Qa[f[(f[b>>2]|0)+20>>2]&127](b)|0)<=0){d=1;return d|0}a=0;while(1){e=f[(f[c>>2]|0)+4>>2]|0;g=dm(e,Ra[f[(f[b>>2]|0)+24>>2]&127](b,a)|0)|0;if((g|0)==-1){d=0;h=6;break}e=f[(f[b>>2]|0)+28>>2]|0;i=fl(f[c>>2]|0,g)|0;a=a+1|0;if(!(Ra[e&127](b,i)|0)){d=0;h=6;break}if((a|0)>=(Qa[f[(f[b>>2]|0)+20>>2]&127](b)|0)){d=1;h=6;break}}if((h|0)==6)return d|0;return 0}function oj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;if(!(ho(a,b,c)|0)){d=0;return d|0}if(!(Qa[f[(f[a>>2]|0)+52>>2]&127](a)|0)){d=0;return d|0}c=a+4|0;e=a+8|0;g=f[c>>2]|0;if((f[e>>2]|0)==(g|0)){d=1;return d|0}h=a+36|0;a=0;i=g;while(1){g=f[(f[h>>2]|0)+(a<<2)>>2]|0;if(!(Sa[f[(f[g>>2]|0)+8>>2]&31](g,b,f[i+(a<<2)>>2]|0)|0)){d=0;j=7;break}a=a+1|0;i=f[c>>2]|0;if(a>>>0>=(f[e>>2]|0)-i>>2>>>0){d=1;j=7;break}}if((j|0)==7)return d|0;return 0}function pj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;if((b[c+11>>0]|0)<0){g=f[c>>2]|0;h=f[c+4>>2]|0;if(h>>>0>4294967279)aq(a);if(h>>>0<11){b[a+11>>0]=h;i=a}else{j=h+16&-16;k=ln(j)|0;f[a>>2]=k;f[a+8>>2]=j|-2147483648;f[a+4>>2]=h;i=k}Fo(i,g,h)|0;b[e>>0]=0;up(i+h|0,e)}else{f[a>>2]=f[c>>2];f[a+4>>2]=f[c+4>>2];f[a+8>>2]=f[c+8>>2]}u=d;return}function qj(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0;b[c+53>>0]=1;do if((f[c+4>>2]|0)==(e|0)){b[c+52>>0]=1;a=c+16|0;h=f[a>>2]|0;if(!h){f[a>>2]=d;f[c+24>>2]=g;f[c+36>>2]=1;if(!((g|0)==1?(f[c+48>>2]|0)==1:0))break;b[c+54>>0]=1;break}if((h|0)!=(d|0)){h=c+36|0;f[h>>2]=(f[h>>2]|0)+1;b[c+54>>0]=1;break}h=c+24|0;a=f[h>>2]|0;if((a|0)==2){f[h>>2]=g;i=g}else i=a;if((i|0)==1?(f[c+48>>2]|0)==1:0)b[c+54>>0]=1}while(0);return}function rj(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=a+36|0;d=a+40|0;e=f[c>>2]|0;if((f[d>>2]|0)!=(e|0)){g=0;h=e;do{vg(h+(g*24|0)|0,b)|0;g=g+1|0;h=f[c>>2]|0}while(g>>>0<(((f[d>>2]|0)-h|0)/24|0)>>>0)}h=a+48|0;d=a+52|0;a=f[h>>2]|0;if((f[d>>2]|0)==(a|0))return 1;else{i=0;j=a}do{a=f[j+(i<<2)>>2]|0;ci(a<<1^a>>31,b)|0;i=i+1|0;j=f[h>>2]|0}while(i>>>0<(f[d>>2]|0)-j>>2>>>0);return 1}function sj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0;e=a+d|0;c=c&255;if((d|0)>=67){while(a&3){b[a>>0]=c;a=a+1|0}g=e&-4|0;h=g-64|0;i=c|c<<8|c<<16|c<<24;while((a|0)<=(h|0)){f[a>>2]=i;f[a+4>>2]=i;f[a+8>>2]=i;f[a+12>>2]=i;f[a+16>>2]=i;f[a+20>>2]=i;f[a+24>>2]=i;f[a+28>>2]=i;f[a+32>>2]=i;f[a+36>>2]=i;f[a+40>>2]=i;f[a+44>>2]=i;f[a+48>>2]=i;f[a+52>>2]=i;f[a+56>>2]=i;f[a+60>>2]=i;a=a+64|0}while((a|0)<(g|0)){f[a>>2]=i;a=a+4|0}}while((a|0)<(e|0)){b[a>>0]=c;a=a+1|0}return e-d|0}function tj(a,c,d,e,g){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0;do if(!(fp(a,f[c+8>>2]|0,g)|0)){if(fp(a,f[c>>2]|0,g)|0){if((f[c+16>>2]|0)!=(d|0)?(h=c+20|0,(f[h>>2]|0)!=(d|0)):0){f[c+32>>2]=e;f[h>>2]=d;h=c+40|0;f[h>>2]=(f[h>>2]|0)+1;if((f[c+36>>2]|0)==1?(f[c+24>>2]|0)==2:0)b[c+54>>0]=1;f[c+44>>2]=4;break}if((e|0)==1)f[c+32>>2]=1}}else Vm(0,c,d,e);while(0);return}function uj(a){a=a|0;var b=0,c=0,d=0,e=0;b=a+80|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0){b=c+-4|0;d=f[b>>2]|0;if(d|0){e=c+(d<<5)|0;do{e=e+-32|0;Fj(e)}while((e|0)!=(c|0))}Mq(b)}b=f[a+68>>2]|0;if(b|0){c=a+72|0;e=f[c>>2]|0;if((e|0)!=(b|0))f[c>>2]=e+(~((e+-4-b|0)>>>2)<<2);Oq(b)}b=a+44|0;e=f[b>>2]|0;f[b>>2]=0;if(e|0)Oq(e);e=f[a+32>>2]|0;if(!e){Fj(a);return}b=a+36|0;if((f[b>>2]|0)!=(e|0))f[b>>2]=e;Oq(e);Fj(a);return}function vj(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3092;b=f[a+136>>2]|0;if(b|0){c=a+140|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+96>>2]|0;if(b|0){d=a+100|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+76>>2]|0;if(b|0)Oq(b);b=f[a+64>>2]|0;if(b|0)Oq(b);b=f[a+52>>2]|0;if(b|0)Oq(b);b=f[a+40>>2]|0;if(!b)return;Oq(b);return}function wj(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0;if((d|0)<0){e=0;return e|0}do if(!b){d=a+4|0;g=f[d>>2]|0;h=f[a>>2]|0;i=g-h|0;if(i>>>0>>0){Fi(a,c-i|0);break}if(i>>>0>c>>>0?(i=h+c|0,(i|0)!=(g|0)):0)f[d>>2]=i}else Cg(a,b,b+c|0);while(0);c=a+24|0;a=c;b=Vn(f[a>>2]|0,f[a+4>>2]|0,1,0)|0;a=c;f[a>>2]=b;f[a+4>>2]=I;e=1;return e|0}function xj(a,c,d,e,g,h,i){a=a|0;c=c|0;d=d|0;e=e|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0;if((-17-c|0)>>>0>>0)aq(a);if((b[a+11>>0]|0)<0)j=f[a>>2]|0;else j=a;if(c>>>0<2147483623){k=d+c|0;d=c<<1;l=k>>>0>>0?d:k;m=l>>>0<11?11:l+16&-16}else m=-17;l=ln(m)|0;if(g|0)Fo(l,j,g)|0;k=e-h-g|0;if(k|0)Fo(l+g+i|0,j+g+h|0,k)|0;if((c|0)!=10)Oq(j);f[a>>2]=l;f[a+8>>2]=m|-2147483648;return}function yj(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2728;b=f[a+136>>2]|0;if(b|0){c=a+140|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+96>>2]|0;if(b|0){d=a+100|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+76>>2]|0;if(b|0)Oq(b);b=f[a+64>>2]|0;if(b|0)Oq(b);b=f[a+52>>2]|0;if(b|0)Oq(b);b=f[a+40>>2]|0;if(!b)return;Oq(b);return}function zj(a,b){a=a|0;b=b|0;if(!b)return;else{zj(a,f[b>>2]|0);zj(a,f[b+4>>2]|0);Ej(b+20|0,f[b+24>>2]|0);Oq(b);return}}function Aj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;Yf(a,b,c);c=f[a+100>>2]|0;d=f[a+96>>2]|0;a=d;if((c|0)==(d|0))return;e=f[b>>2]|0;b=(c-d|0)/12|0;d=0;do{c=a+(d*12|0)|0;f[c>>2]=f[e+(f[c>>2]<<2)>>2];c=a+(d*12|0)+4|0;f[c>>2]=f[e+(f[c>>2]<<2)>>2];c=a+(d*12|0)+8|0;f[c>>2]=f[e+(f[c>>2]<<2)>>2];d=d+1|0}while(d>>>0>>0);return}function Bj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=a+64|0;if((f[d>>2]|0)==0?(e=ln(32)|0,yn(e),g=f[d>>2]|0,f[d>>2]=e,g|0):0){e=f[g>>2]|0;if(e|0){h=g+4|0;if((f[h>>2]|0)!=(e|0))f[h>>2]=e;Oq(e)}Oq(g)}g=Vl(f[a+28>>2]|0)|0;e=X(g,b[a+24>>0]|0)|0;g=((e|0)<0)<<31>>31;h=f[d>>2]|0;i=un(e|0,g|0,c|0,0)|0;if(!(wj(h,0,i,I)|0)){j=0;return j|0}Kk(a,f[d>>2]|0,e,g,0,0);f[a+80>>2]=c;j=1;return j|0}function Cj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=u;u=u+64|0;e=d;if(!(fp(a,b,0)|0))if((b|0)!=0?(g=Eh(b,1056,1040,0)|0,(g|0)!=0):0){b=e+4|0;h=b+52|0;do{f[b>>2]=0;b=b+4|0}while((b|0)<(h|0));f[e>>2]=g;f[e+8>>2]=a;f[e+12>>2]=-1;f[e+48>>2]=1;Ya[f[(f[g>>2]|0)+28>>2]&3](g,e,f[c>>2]|0,1);if((f[e+24>>2]|0)==1){f[c>>2]=f[e+16>>2];i=1}else i=0;j=i}else j=0;else j=1;u=d;return j|0}function Dj(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0;if(!c){d=0;return d|0}e=c+40|0;g=c+44|0;ci((f[g>>2]|0)-(f[e>>2]|0)>>2,b)|0;h=f[e>>2]|0;e=f[g>>2]|0;if((h|0)!=(e|0)){g=h;do{h=f[g>>2]|0;if(h|0){ci(f[h+40>>2]|0,b)|0;lg(a,b,h)|0}g=g+4|0}while((g|0)!=(e|0))}lg(a,b,c)|0;d=1;return d|0}function Ej(a,c){a=a|0;c=c|0;var d=0;if(!c)return;Ej(a,f[c>>2]|0);Ej(a,f[c+4>>2]|0);a=c+16|0;d=c+28|0;if((b[d+11>>0]|0)<0)Oq(f[d>>2]|0);if((b[a+11>>0]|0)<0)Oq(f[a>>2]|0);Oq(c);return}function Fj(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;b=u;u=u+16|0;c=b;d=c;f[d>>2]=0;f[d+4>>2]=0;qf(a,2,c);c=f[a+12>>2]|0;d=a+16|0;e=f[d>>2]|0;if((e|0)==(c|0))g=c;else{h=e+(~((e+-4-c|0)>>>2)<<2)|0;f[d>>2]=h;g=h}f[a+24>>2]=0;f[a+28>>2]=0;if(c|0){if((g|0)!=(c|0))f[d>>2]=g+(~((g+-4-c|0)>>>2)<<2);Oq(c)}c=f[a>>2]|0;if(!c){u=b;return}g=a+4|0;a=f[g>>2]|0;if((a|0)!=(c|0))f[g>>2]=a+(~((a+-8-c|0)>>>3)<<3);Oq(c);u=b;return}function Gj(a){a=a|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0,k=0,l=0;c=a;a:do if(!(c&3)){d=a;e=4}else{g=a;h=c;while(1){if(!(b[g>>0]|0)){i=h;break a}j=g+1|0;h=j;if(!(h&3)){d=j;e=4;break}else g=j}}while(0);if((e|0)==4){e=d;while(1){k=f[e>>2]|0;if(!((k&-2139062144^-2139062144)&k+-16843009))e=e+4|0;else break}if(!((k&255)<<24>>24))l=e;else{k=e;while(1){e=k+1|0;if(!(b[e>>0]|0)){l=e;break}else k=e}}i=l}return i-c|0}function Hj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=u;u=u+16|0;g=e;h=a+11|0;i=b[h>>0]|0;j=i<<24>>24<0;if(j)k=f[a+4>>2]|0;else k=i&255;do 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e=0,g=0;e=u;u=u+16|0;g=e;ll(g,d);d=Ai(a,c)|0;c=d+11|0;if((b[c>>0]|0)<0){b[f[d>>2]>>0]=0;f[d+4>>2]=0}else{b[d>>0]=0;b[c>>0]=0}gh(d,0);f[d>>2]=f[g>>2];f[d+4>>2]=f[g+4>>2];f[d+8>>2]=f[g+8>>2];u=e;return}function Yj(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0,i=0,j=0,k=0;e=Rg(a,c)|0;if((e|0)==(a+4|0)){g=-1;h=(g|0)==-1;i=(g|0)!=0;j=h?d:i;return j|0}a=e+28|0;if((b[a+11>>0]|0)<0)k=f[a>>2]|0;else k=a;g=Sj(k)|0;h=(g|0)==-1;i=(g|0)!=0;j=h?d:i;return j|0}function Zj(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0,k=0;d=u;u=u+16|0;e=d;if(c>>>0>10){g=0;u=d;return g|0}h=ln(48)|0;f[e>>2]=h;f[e+8>>2]=-2147483600;f[e+4>>2]=33;i=h;j=15987;k=i+33|0;do{b[i>>0]=b[j>>0]|0;i=i+1|0;j=j+1|0}while((i|0)<(k|0));b[h+33>>0]=0;Xj(a,e,c);if((b[e+11>>0]|0)<0)Oq(f[e>>2]|0);g=1;u=d;return g|0}function _j(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;c=f[b>>2]|0;if((c|0)==-1)return 1;b=c*3|0;if((b|0)==-1)return 1;c=f[a>>2]|0;a=f[c+(b<<2)>>2]|0;d=b+1|0;e=((d>>>0)%3|0|0)==0?b+-2|0:d;if((e|0)==-1)g=-1;else 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c=0.0,d=0,e=0,g=0.0,h=0;if((b|0)<=1023)if((b|0)<-1022){c=a*2.2250738585072014e-308;d=(b|0)<-2044;e=b+2044|0;g=d?c*2.2250738585072014e-308:c;h=d?((e|0)>-1022?e:-1022):b+1022|0}else{g=a;h=b}else{c=a*8988465674311579538646525.0e283;e=(b|0)>2046;d=b+-2046|0;g=e?c*8988465674311579538646525.0e283:c;h=e?((d|0)<1023?d:1023):b+-1023|0}b=Tn(h+1023|0,0,52)|0;h=I;f[s>>2]=b;f[s+4>>2]=h;return +(g*+p[s>>3])}function ck(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;if(!(f[a+80>>2]|0)){b=0;return b|0}c=a+8|0;d=a+12|0;a=f[c>>2]|0;if(((f[d>>2]|0)-a|0)>0){e=0;g=a}else{b=1;return b|0}while(1){a=f[g+(e<<2)>>2]|0;e=e+1|0;if(!(Gl(a,a)|0)){b=0;h=5;break}g=f[c>>2]|0;if((e|0)>=((f[d>>2]|0)-g>>2|0)){b=1;h=5;break}}if((h|0)==5)return b|0;return 0}function dk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=a+36|0;d=a+40|0;e=f[c>>2]|0;if((f[d>>2]|0)==(e|0)){g=1;return g|0}h=a+60|0;a=0;i=e;while(1){e=f[i+(a<<2)>>2]|0;a=a+1|0;if(!(Sa[f[(f[e>>2]|0)+20>>2]&31](e,h,b)|0)){g=0;j=5;break}i=f[c>>2]|0;if(a>>>0>=(f[d>>2]|0)-i>>2>>>0){g=1;j=5;break}}if((j|0)==5)return g|0;return 0}function ek(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0;c=a+36|0;d=a+40|0;a=f[c>>2]|0;if((f[d>>2]|0)==(a|0)){e=1;return e|0}else{g=0;h=a}while(1){a=f[h+(g<<2)>>2]|0;g=g+1|0;if(!(Ra[f[(f[a>>2]|0)+24>>2]&127](a,b)|0)){e=0;i=4;break}h=f[c>>2]|0;if(g>>>0>=(f[d>>2]|0)-h>>2>>>0){e=1;i=4;break}}if((i|0)==4)return e|0;return 0}function fk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;f[a>>2]=0;c=a+4|0;f[c>>2]=0;f[a+8>>2]=0;d=b+4|0;e=(f[d>>2]|0)-(f[b>>2]|0)|0;g=e>>2;if(!g)return;if(g>>>0>1073741823)aq(a);h=ln(e)|0;f[c>>2]=h;f[a>>2]=h;f[a+8>>2]=h+(g<<2);g=f[b>>2]|0;b=(f[d>>2]|0)-g|0;if((b|0)<=0)return;kh(h|0,g|0,b|0)|0;f[c>>2]=h+(b>>>2<<2);return}function gk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;c=a+8|0;d=f[a>>2]|0;if((f[c>>2]|0)-d>>2>>>0>=b>>>0)return;e=a+4|0;if(b>>>0>1073741823){g=ra(8)|0;Oo(g,16035);f[g>>2]=7256;va(g|0,1112,110)}g=(f[e>>2]|0)-d|0;h=ln(b<<2)|0;if((g|0)>0)kh(h|0,d|0,g|0)|0;f[a>>2]=h;f[e>>2]=h+(g>>2<<2);f[c>>2]=h+(b<<2);if(!d)return;Oq(d);return}function hk(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0,i=0;b=a+36|0;c=a+40|0;d=f[b>>2]|0;if((f[c>>2]|0)==(d|0)){e=1;return e|0}g=a+60|0;a=0;h=d;while(1){d=f[h+(a<<2)>>2]|0;a=a+1|0;if(!(Ra[f[(f[d>>2]|0)+16>>2]&127](d,g)|0)){e=0;i=5;break}h=f[b>>2]|0;if(a>>>0>=(f[c>>2]|0)-h>>2>>>0){e=1;i=5;break}}if((i|0)==5)return e|0;return 0}function ik(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0;d=f[a+176>>2]|0;e=f[a+172>>2]|0;a=e;if((d|0)==(e|0))return 0;g=(d-e|0)/136|0;e=0;while(1){if((f[a+(e*136|0)>>2]|0)==(c|0)){h=4;break}d=e+1|0;if(d>>>0>>0)e=d;else{h=6;break}}if((h|0)==4)return ((b[a+(e*136|0)+100>>0]|0)==0?0:a+(e*136|0)+4|0)|0;else if((h|0)==6)return 0;return 0}function jk(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,h=0,i=0,j=0;d=u;u=u+16|0;e=d;g=ln(16)|0;f[e>>2]=g;f[e+8>>2]=-2147483632;f[e+4>>2]=15;h=g;i=14479;j=h+15|0;do{b[h>>0]=b[i>>0]|0;h=h+1|0;i=i+1|0}while((h|0)<(j|0));b[g+15>>0]=0;Xj(a,e,c);if((b[e+11>>0]|0)>=0){u=d;return}Oq(f[e>>2]|0);u=d;return}function kk(a,b){a=a|0;b=b|0;var c=0,d=0;c=f[a+72>>2]|0;if(!c){d=0;return d|0}f[c+4>>2]=a+60;if(!(Qa[f[(f[c>>2]|0)+12>>2]&127](c)|0)){d=0;return d|0}if(!(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)){d=0;return d|0}if(!(Ra[f[(f[a>>2]|0)+44>>2]&127](a,b)|0)){d=0;return d|0}d=Ra[f[(f[a>>2]|0)+48>>2]&127](a,b)|0;return d|0}function lk(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;f[a>>2]=0;d=a+4|0;f[d>>2]=0;f[a+8>>2]=0;if(!b)return;if(b>>>0>357913941)aq(a);e=ln(b*12|0)|0;f[d>>2]=e;f[a>>2]=e;f[a+8>>2]=e+(b*12|0);a=b;b=e;do{fk(b,c);b=(f[d>>2]|0)+12|0;f[d>>2]=b;a=a+-1|0}while((a|0)!=0);return}function mk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0;c=f[b>>2]|0;if(!c){d=0;return d|0}e=a+44|0;g=f[e>>2]|0;if(g>>>0<(f[a+48>>2]|0)>>>0){f[b>>2]=0;f[g>>2]=c;f[e>>2]=(f[e>>2]|0)+4;d=1;return d|0}else{Ug(a+40|0,b);d=1;return d|0}return 0}function nk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3564;b=f[a+64>>2]|0;if(b|0){c=a+68|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}f[a+12>>2]=3588;b=f[a+32>>2]|0;if(b|0)Oq(b);b=f[a+20>>2]|0;if(!b){Oq(a);return}Oq(b);Oq(a);return}function ok(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3344;f[a+40>>2]=1196;b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}f[a>>2]=1476;b=a+36|0;d=f[b>>2]|0;f[b>>2]=0;if(!d){Ni(a);Oq(a);return}Va[f[(f[d>>2]|0)+4>>2]&127](d);Ni(a);Oq(a);return}function pk(a,c){a=a|0;c=c|0;var d=0,e=0,g=0,i=0;f[c>>2]=2;d=a+4|0;a=c+8|0;e=f[a>>2]|0;g=(f[c+12>>2]|0)-e|0;if(g>>>0<4294967292){Lk(a,g+4|0,0);i=f[a>>2]|0}else i=e;e=i+g|0;g=h[d>>0]|h[d+1>>0]<<8|h[d+2>>0]<<16|h[d+3>>0]<<24;b[e>>0]=g;b[e+1>>0]=g>>8;b[e+2>>0]=g>>16;b[e+3>>0]=g>>24;return}function qk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3612;b=f[a+64>>2]|0;if(b|0){c=a+68|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}f[a+12>>2]=3636;b=f[a+32>>2]|0;if(b|0)Oq(b);b=f[a+20>>2]|0;if(!b){Oq(a);return}Oq(b);Oq(a);return}function rk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2188;b=f[a+76>>2]|0;if(b|0)Oq(b);b=a+68|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Mq(c);f[a>>2]=1544;c=f[a+32>>2]|0;if(!c){Oq(a);return}b=a+36|0;d=f[b>>2]|0;if((d|0)!=(c|0))f[b>>2]=d+(~((d+-4-c|0)>>>2)<<2);Oq(c);Oq(a);return}function sk(a,c,d){a=a|0;c=c|0;d=$(d);var e=0,g=Oa,h=0;e=Rg(a,c)|0;if((e|0)==(a+4|0)){g=d;return $(g)}a=e+28|0;if((b[a+11>>0]|0)<0)h=f[a>>2]|0;else h=a;g=$(+Iq(h));return $(g)}function tk(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;b=u;u=u+16|0;c=b;d=c;f[d>>2]=0;f[d+4>>2]=0;qf(a,2,c);c=f[a+12>>2]|0;d=a+16|0;e=f[d>>2]|0;if((e|0)==(c|0)){g=a+24|0;f[g>>2]=0;h=a+28|0;f[h>>2]=0;u=b;return}f[d>>2]=e+(~((e+-4-c|0)>>>2)<<2);g=a+24|0;f[g>>2]=0;h=a+28|0;f[h>>2]=0;u=b;return}function uk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0,i=0,j=0;c=f[a+176>>2]|0;d=f[a+172>>2]|0;e=d;a:do if((c|0)!=(d|0)){g=(c-d|0)/136|0;h=0;while(1){if((f[e+(h*136|0)>>2]|0)==(b|0))break;i=h+1|0;if(i>>>0>>0)h=i;else break a}j=e+(h*136|0)+104|0;return j|0}while(0);j=a+40|0;return j|0}function vk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3564;b=f[a+64>>2]|0;if(b|0){c=a+68|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}f[a+12>>2]=3588;b=f[a+32>>2]|0;if(b|0)Oq(b);b=f[a+20>>2]|0;if(!b)return;Oq(b);return}function wk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1768;b=f[a+76>>2]|0;if(b|0)Oq(b);b=a+68|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Mq(c);f[a>>2]=1544;c=f[a+32>>2]|0;if(!c){Oq(a);return}b=a+36|0;d=f[b>>2]|0;if((d|0)!=(c|0))f[b>>2]=d+(~((d+-4-c|0)>>>2)<<2);Oq(c);Oq(a);return}function xk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3344;f[a+40>>2]=1196;b=f[a+48>>2]|0;if(b|0){c=a+52|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}f[a>>2]=1476;b=a+36|0;d=f[b>>2]|0;f[b>>2]=0;if(!d){Ni(a);return}Va[f[(f[d>>2]|0)+4>>2]&127](d);Ni(a);return}function yk(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,g=0,h=0;Nc(a,b);if((b|0)<=-1)return;c=a+88|0;d=f[c>>2]|0;e=f[a+84>>2]|0;if((d-e>>2|0)<=(b|0))return;a=e+(b<<2)|0;b=a+4|0;e=d-b|0;g=e>>2;if(!g)h=d;else{im(a|0,b|0,e|0)|0;h=f[c>>2]|0}e=a+(g<<2)|0;if((h|0)==(e|0))return;f[c>>2]=h+(~((h+-4-e|0)>>>2)<<2);return}function zk(a){a=a|0;var b=0,c=0,d=0,e=0,g=0,h=0;b=f[a+32>>2]|0;c=f[a+36>>2]|0;if((b|0)==(c|0)){d=1;return d|0}e=a+8|0;g=a+44|0;a=b;while(1){b=f[(f[e>>2]|0)+(f[a>>2]<<2)>>2]|0;a=a+4|0;if(!(Ra[f[(f[b>>2]|0)+20>>2]&127](b,f[g>>2]|0)|0)){d=0;h=5;break}if((a|0)==(c|0)){d=1;h=5;break}}if((h|0)==5)return d|0;return 0}function Ak(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=3612;b=f[a+64>>2]|0;if(b|0){c=a+68|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}f[a+12>>2]=3636;b=f[a+32>>2]|0;if(b|0)Oq(b);b=f[a+20>>2]|0;if(!b)return;Oq(b);return}function Bk(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0,i=0.0;d=u;u=u+128|0;e=d;g=e;h=g+124|0;do{f[g>>2]=0;g=g+4|0}while((g|0)<(h|0));g=e+4|0;f[g>>2]=a;h=e+8|0;f[h>>2]=-1;f[e+44>>2]=a;f[e+76>>2]=-1;Ym(e,0);i=+Rc(e,c,1);c=(f[g>>2]|0)-(f[h>>2]|0)+(f[e+108>>2]|0)|0;if(b|0)f[b>>2]=c|0?a+c|0:a;u=d;return +i}function Ck(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var g=0,h=0;a=c+16|0;g=f[a>>2]|0;do if(g){if((g|0)!=(d|0)){h=c+36|0;f[h>>2]=(f[h>>2]|0)+1;f[c+24>>2]=2;b[c+54>>0]=1;break}h=c+24|0;if((f[h>>2]|0)==2)f[h>>2]=e}else{f[a>>2]=d;f[c+24>>2]=e;f[c+36>>2]=1}while(0);return}function Dk(a){a=a|0;var b=0,c=0;f[a>>2]=2188;b=f[a+76>>2]|0;if(b|0)Oq(b);b=a+68|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Mq(c);f[a>>2]=1544;c=f[a+32>>2]|0;if(!c)return;b=a+36|0;a=f[b>>2]|0;if((a|0)!=(c|0))f[b>>2]=a+(~((a+-4-c|0)>>>2)<<2);Oq(c);return}function Ek(a){a=a|0;var c=0,d=0,e=0;c=a+74|0;d=b[c>>0]|0;b[c>>0]=d+255|d;d=a+20|0;c=a+28|0;if((f[d>>2]|0)>>>0>(f[c>>2]|0)>>>0)Sa[f[a+36>>2]&31](a,0,0)|0;f[a+16>>2]=0;f[c>>2]=0;f[d>>2]=0;d=f[a>>2]|0;if(!(d&4)){c=(f[a+44>>2]|0)+(f[a+48>>2]|0)|0;f[a+8>>2]=c;f[a+4>>2]=c;e=d<<27>>31}else{f[a>>2]=d|32;e=-1}return e|0}function Fk(a,c){a=a|0;c=c|0;var d=0,e=0,g=0;d=Rg(a,c)|0;if((d|0)==(a+4|0)){e=0;return e|0}a=d+28|0;if((b[a+11>>0]|0)<0)g=f[a>>2]|0;else g=a;e=((Sj(g)|0)+1|0)>>>0>1;return e|0}function Gk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=6152;b=f[a+96>>2]|0;if(b|0){c=a+100|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~(((d+-12-b|0)>>>0)/12|0)*12|0);Oq(b)}b=f[a+84>>2]|0;if(!b){Og(a);Oq(a);return}d=a+88|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b);Og(a);Oq(a);return}function Hk(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,g=0,h=0;e=Rg(a,c)|0;if((e|0)==(a+4|0)){g=d;return g|0}d=e+28|0;if((b[d+11>>0]|0)<0)h=f[d>>2]|0;else h=d;g=Sj(h)|0;return g|0}function Ik(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0;e=b>>31|((b|0)<0?-1:0)<<1;f=((b|0)<0?-1:0)>>31|((b|0)<0?-1:0)<<1;g=d>>31|((d|0)<0?-1:0)<<1;h=((d|0)<0?-1:0)>>31|((d|0)<0?-1:0)<<1;i=Xn(e^a|0,f^b|0,e|0,f|0)|0;b=I;a=g^e;e=h^f;return Xn((Ld(i,b,Xn(g^c|0,h^d|0,g|0,h|0)|0,I,0)|0)^a|0,I^e|0,a|0,e|0)|0}function Jk(a){a=a|0;var b=0,c=0;f[a>>2]=1768;b=f[a+76>>2]|0;if(b|0)Oq(b);b=a+68|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Mq(c);f[a>>2]=1544;c=f[a+32>>2]|0;if(!c)return;b=a+36|0;a=f[b>>2]|0;if((a|0)!=(c|0))f[b>>2]=a+(~((a+-4-c|0)>>>2)<<2);Oq(c);return}function Kk(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0,i=0,j=0;f[a>>2]=b;h=b+16|0;i=f[h+4>>2]|0;j=a+8|0;f[j>>2]=f[h>>2];f[j+4>>2]=i;i=b+24|0;b=f[i+4>>2]|0;j=a+16|0;f[j>>2]=f[i>>2];f[j+4>>2]=b;b=a+40|0;f[b>>2]=c;f[b+4>>2]=d;d=a+48|0;f[d>>2]=e;f[d+4>>2]=g;return}function Lk(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=d-e|0;h=e;e=d;if(g>>>0>=b>>>0){if(g>>>0>b>>>0?(d=h+b|0,(d|0)!=(e|0)):0)f[c>>2]=d}else Fi(a,b-g|0);g=a+24|0;a=g;b=Vn(f[a>>2]|0,f[a+4>>2]|0,1,0)|0;a=g;f[a>>2]=b;f[a+4>>2]=I;return}function Mk(a,c){a=a|0;c=c|0;var d=0,e=0,g=0;d=Rg(a,c)|0;if((d|0)==(a+4|0)){e=-1;return e|0}a=d+28|0;if((b[a+11>>0]|0)<0)g=f[a>>2]|0;else g=a;e=Sj(g)|0;return e|0}function Nk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=6152;b=f[a+96>>2]|0;if(b|0){c=a+100|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~(((d+-12-b|0)>>>0)/12|0)*12|0);Oq(b)}b=f[a+84>>2]|0;if(!b){Og(a);return}d=a+88|0;c=f[d>>2]|0;if((c|0)!=(b|0))f[d>>2]=c+(~((c+-4-b|0)>>>2)<<2);Oq(b);Og(a);return}function Ok(a){a=a|0;var c=0,d=0,e=0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;f[a+16>>2]=0;f[a+20>>2]=0;b[a+24>>0]=1;c=a+68|0;d=a+28|0;e=d+40|0;do{f[d>>2]=0;d=d+4|0}while((d|0)<(e|0));f[c>>2]=a;c=a+72|0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;f[c+12>>2]=0;f[c+16>>2]=0;f[c+20>>2]=0;return}function Pk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2244;b=f[a+76>>2]|0;if(b|0)Oq(b);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b){Oq(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b);Oq(a);return}function Qk(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;var f=0,g=0,h=0;f=u;u=u+256|0;g=f;if((c|0)>(d|0)&(e&73728|0)==0){e=c-d|0;sj(g|0,b<<24>>24|0,(e>>>0<256?e:256)|0)|0;if(e>>>0>255){b=c-d|0;d=e;do{Xo(a,g,256);d=d+-256|0}while(d>>>0>255);h=b&255}else h=e;Xo(a,g,h)}u=f;return}function Rk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1824;b=f[a+76>>2]|0;if(b|0)Oq(b);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b){Oq(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b);Oq(a);return}function Sk(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;var h=0;if(fp(a,f[b+8>>2]|0,g)|0)qj(0,b,c,d,e);else{h=f[a+8>>2]|0;_a[f[(f[h>>2]|0)+20>>2]&3](h,b,c,d,e,g)}return}function Tk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=2300;Fj(a+108|0);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b){Oq(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b);Oq(a);return}function Uk(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1880;Fj(a+108|0);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b){Oq(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b);Oq(a);return}function Vk(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0;a:do if(!d)e=0;else{f=a;g=d;h=c;while(1){i=b[f>>0]|0;j=b[h>>0]|0;if(i<<24>>24!=j<<24>>24)break;g=g+-1|0;if(!g){e=0;break a}else{f=f+1|0;h=h+1|0}}e=(i&255)-(j&255)|0}while(0);return e|0}function Wk(a){a=a|0;if(!(f[a+44>>2]|0))return 0;if(!(f[a+48>>2]|0))return 0;if(!(f[a+24>>2]|0))return 0;if(!(f[a+28>>2]|0))return 0;if(!(f[a+32>>2]|0))return 0;else return (f[a+36>>2]|0)!=0|0;return 0}function Xk(a){a=a|0;var b=0,c=0;f[a>>2]=2244;b=f[a+76>>2]|0;if(b|0)Oq(b);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function Yk(a){a=a|0;var c=0,d=0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;c=0;while(1){if((c|0)==3)break;f[a+(c<<2)>>2]=0;c=c+1|0}if((b[a+11>>0]|0)<0)d=(f[a+8>>2]&2147483647)+-1|0;else d=10;Hj(a,d,0);return}function Zk(a){a=a|0;var b=0,c=0,d=0,e=0.0,g=0.0;b=f[a+8>>2]|0;if((b|0)<2){c=0;d=0;I=c;return d|0}e=+(b|0);g=+Zg(e)*e;e=+W(+(g-+p[a>>3]));c=+K(e)>=1.0?(e>0.0?~~+Y(+J(e/4294967296.0),4294967295.0)>>>0:~~+W((e-+(~~e>>>0))/4294967296.0)>>>0):0;d=~~e>>>0;I=c;return d|0}function _k(a){a=a|0;var b=0,c=0;f[a>>2]=1824;b=f[a+76>>2]|0;if(b|0)Oq(b);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function $k(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=f[a+16>>2]|0;if(((f[a+20>>2]|0)-c>>2|0)<=(b|0)){d=0;return d|0}e=f[c+(b<<2)>>2]|0;if((e|0)<0){d=0;return d|0}b=f[(f[a+36>>2]|0)+(e<<2)>>2]|0;e=f[b+32>>2]|0;if(e|0){d=e;return d|0}d=f[b+8>>2]|0;return d|0}function al(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1232;b=f[a+16>>2]|0;if(b|0){c=a+20|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b)}b=f[a+4>>2]|0;if(!b)return;d=a+8|0;a=f[d>>2]|0;if((a|0)!=(b|0))f[d>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function bl(a){a=a|0;var b=0,c=0;f[a>>2]=2300;Fj(a+108|0);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function cl(a){a=a|0;if(!(f[a+64>>2]|0))return 0;if(!(f[a+68>>2]|0))return 0;if(!(f[a+44>>2]|0))return 0;if(!(f[a+48>>2]|0))return 0;if(!(f[a+52>>2]|0))return 0;else return (f[a+56>>2]|0)!=0|0;return 0}function dl(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0;if(fp(a,f[b+8>>2]|0,0)|0)Ck(0,b,c,d);else{e=f[a+8>>2]|0;Ya[f[(f[e>>2]|0)+28>>2]&3](e,b,c,d)}return}function el(a){a=a|0;var b=0,c=0;f[a>>2]=1880;Fj(a+108|0);f[a>>2]=1544;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function fl(a,b){a=a|0;b=b|0;var c=0,d=0;if((b|0)<0){c=0;return c|0}d=f[a+4>>2]|0;if(((f[d+12>>2]|0)-(f[d+8>>2]|0)>>2|0)<=(b|0)){c=0;return c|0}d=f[(f[a+8>>2]|0)+(f[(f[a+20>>2]|0)+(b<<2)>>2]<<2)>>2]|0;c=Ra[f[(f[d>>2]|0)+36>>2]&127](d,b)|0;return c|0}function gl(a,b){a=a|0;b=b|0;var c=0,d=0;if((b|0)<0){c=0;return c|0}d=f[a+4>>2]|0;if(((f[d+12>>2]|0)-(f[d+8>>2]|0)>>2|0)<=(b|0)){c=0;return c|0}d=f[(f[a+8>>2]|0)+(f[(f[a+20>>2]|0)+(b<<2)>>2]<<2)>>2]|0;c=Ra[f[(f[d>>2]|0)+32>>2]&127](d,b)|0;return c|0}function hl(a,c){a=a|0;c=c|0;var d=0,e=0,f=0,g=0;d=b[a>>0]|0;e=b[c>>0]|0;if(d<<24>>24==0?1:d<<24>>24!=e<<24>>24){f=e;g=d}else{d=c;c=a;do{c=c+1|0;d=d+1|0;a=b[c>>0]|0;e=b[d>>0]|0}while(!(a<<24>>24==0?1:a<<24>>24!=e<<24>>24));f=e;g=a}return (g&255)-(f&255)|0}function il(a,b){a=a|0;b=$(b);var c=0,d=0;c=u;u=u+16|0;d=c;Yk(d);Ei(a,d,b);Bo(d);u=c;return}function jl(a){a=a|0;var b=0,c=0,d=0,e=0,g=0;b=f[a>>2]|0;c=a+4|0;d=f[c>>2]|0;if((d|0)==(b|0))e=b;else{g=d+(~((d+-4-b|0)>>>2)<<2)|0;f[c>>2]=g;e=g}f[a+12>>2]=0;f[a+16>>2]=0;if(!b)return;if((e|0)!=(b|0))f[c>>2]=e+(~((e+-4-b|0)>>>2)<<2);Oq(b);return}function kl(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0;d=f[a+16>>2]|0;if(((f[a+20>>2]|0)-d>>2|0)<=(b|0)){e=-1;return e|0}g=f[d+(b<<2)>>2]|0;if((g|0)<0){e=-1;return e|0}e=f[(f[(f[(f[a+36>>2]|0)+(g<<2)>>2]|0)+16>>2]|0)+(c<<2)>>2]|0;return e|0}function ll(a,b){a=a|0;b=b|0;var c=0,d=0;c=u;u=u+16|0;d=c;Yk(d);Ji(a,d,b);Bo(d);u=c;return}function ml(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0,h=0;d=u;u=u+32|0;e=d;g=d+20|0;f[e>>2]=f[a+60>>2];f[e+4>>2]=0;f[e+8>>2]=b;f[e+12>>2]=g;f[e+16>>2]=c;if((to(za(140,e|0)|0)|0)<0){f[g>>2]=-1;h=-1}else h=f[g>>2]|0;u=d;return h|0}function nl(a,b){a=a|0;b=b|0;var c=0,d=0;if((b|0)==-1|(b|0)>4){c=0;return c|0}d=f[a+20+(b*12|0)>>2]|0;if(((f[a+20+(b*12|0)+4>>2]|0)-d|0)<=0){c=0;return c|0}b=f[d>>2]|0;if((b|0)==-1){c=0;return c|0}c=f[(f[a+8>>2]|0)+(b<<2)>>2]|0;return c|0}function ol(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=f[a+16>>2]|0;if(((f[a+20>>2]|0)-c>>2|0)<=(b|0)){d=0;return d|0}e=f[c+(b<<2)>>2]|0;if((e|0)<0){d=0;return d|0}b=f[(f[a+36>>2]|0)+(e<<2)>>2]|0;d=(f[b+20>>2]|0)-(f[b+16>>2]|0)>>2;return d|0}function pl(a){a=a|0;if(!(f[a+40>>2]|0))return 0;if(!(f[a+24>>2]|0))return 0;if(!(f[a+28>>2]|0))return 0;if(!(f[a+32>>2]|0))return 0;else return (f[a+36>>2]|0)!=0|0;return 0}function ql(a){a=a|0;var b=0;if(!(f[a+24>>2]|0)){b=0;return b|0}if(!(f[a+28>>2]|0)){b=0;return b|0}if(!(f[a+32>>2]|0)){b=0;return b|0}b=(f[a+36>>2]|0)!=0;return b|0}function rl(a,b,c){a=a|0;b=b|0;c=c|0;var d=0;lh(a,c);f[a>>2]=1408;c=a+72|0;d=a+36|0;a=d+36|0;do{f[d>>2]=0;d=d+4|0}while((d|0)<(a|0));d=f[b>>2]|0;f[b>>2]=0;f[c>>2]=d;return}function sl(a){a=a|0;var b=0,c=0;f[a>>2]=3148;b=f[a+56>>2]|0;if(b|0)Oq(b);b=a+48|0;c=f[b>>2]|0;f[b>>2]=0;if(!c){Oq(a);return}Mq(c);Oq(a);return}function tl(a,c){a=a|0;c=c|0;var d=0,e=0;d=a;e=c;c=d+64|0;do{f[d>>2]=f[e>>2];d=d+4|0;e=e+4|0}while((d|0)<(c|0));e=a+64|0;f[a+88>>2]=0;f[e>>2]=0;f[e+4>>2]=0;f[e+8>>2]=0;f[e+12>>2]=0;f[e+16>>2]=0;b[e+20>>0]=0;return}function ul(a,c,d,e){a=a|0;c=c|0;d=d|0;e=e|0;var f=0,g=0;if((a|0)==0&(c|0)==0)f=d;else{g=d;d=c;c=a;while(1){a=g+-1|0;b[a>>0]=h[16636+(c&15)>>0]|0|e;c=Yn(c|0,d|0,4)|0;d=I;if((c|0)==0&(d|0)==0){f=a;break}else g=a}}return f|0}function vl(a){a=a|0;var c=0,d=0,e=0;c=a+74|0;d=b[c>>0]|0;b[c>>0]=d+255|d;d=f[a>>2]|0;if(!(d&8)){f[a+8>>2]=0;f[a+4>>2]=0;c=f[a+44>>2]|0;f[a+28>>2]=c;f[a+20>>2]=c;f[a+16>>2]=c+(f[a+48>>2]|0);e=0}else{f[a>>2]=d|32;e=-1}return e|0}function wl(a){a=a|0;if(!(f[a+60>>2]|0))return 0;if(!(f[a+44>>2]|0))return 0;if(!(f[a+48>>2]|0))return 0;if(!(f[a+52>>2]|0))return 0;else return (f[a+56>>2]|0)!=0|0;return 0}function xl(a,b){a=a|0;b=b|0;var c=0,d=0;c=f[b+88>>2]|0;if(!c){d=0;return d|0}if((f[c>>2]|0)!=2){d=0;return d|0}b=f[c+8>>2]|0;f[a+4>>2]=h[b>>0]|h[b+1>>0]<<8|h[b+2>>0]<<16|h[b+3>>0]<<24;d=1;return d|0}function yl(a){a=a|0;var b=0;if(!(f[a+44>>2]|0)){b=0;return b|0}if(!(f[a+48>>2]|0)){b=0;return b|0}if(!(f[a+52>>2]|0)){b=0;return b|0}b=(f[a+56>>2]|0)!=0;return b|0}function zl(a){a=a|0;vj(a);Oq(a);return}function Al(a){a=a|0;var b=0,c=0;f[a>>2]=2784;b=f[a+56>>2]|0;if(b|0)Oq(b);b=a+48|0;c=f[b>>2]|0;f[b>>2]=0;if(!c){Oq(a);return}Mq(c);Oq(a);return}function Bl(a,c){a=a|0;c=c|0;var d=0;if(f[c+56>>2]|0){d=0;return d|0}if((b[c+24>>0]|0)!=3){d=0;return d|0}f[a+44>>2]=c;d=1;return d|0}function Cl(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0;c=a+4|0;d=f[c>>2]|0;e=f[a>>2]|0;g=d-e|0;if(g>>>0>>0){Fi(a,b-g|0);return}if(g>>>0<=b>>>0)return;g=e+b|0;if((g|0)==(d|0))return;f[c>>2]=g;return}function Dl(a,b,c,d,e){a=a|0;b=b|0;c=c|0;d=d|0;e=$(e);f[a+4>>2]=b;Zf(a+8|0,c,c+(d<<2)|0);n[a+20>>2]=e;return}function El(a,b){a=a|0;b=b|0;var c=0;if(!(Qa[f[(f[a>>2]|0)+40>>2]&127](a)|0)){c=0;return c|0}if(!(Ra[f[(f[a>>2]|0)+44>>2]&127](a,b)|0)){c=0;return c|0}c=Ra[f[(f[a>>2]|0)+48>>2]&127](a,b)|0;return c|0}function Fl(a,c){a=a|0;c=c|0;var d=0;if(f[c+56>>2]|0){d=0;return d|0}if((b[c+24>>0]|0)!=3){d=0;return d|0}f[a+40>>2]=c;d=1;return d|0}function Gl(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=u;u=u+16|0;d=c+4|0;e=c;f[e>>2]=0;f[d>>2]=f[e>>2];e=vc(a,b,d)|0;u=c;return e|0}function Hl(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;var e=0,g=0;d=f[c>>2]|0;c=a;e=b-a>>2;while(1){if(!e)break;a=(e|0)/2|0;b=c+(a<<2)|0;g=(f[b>>2]|0)>>>0>>0;c=g?b+4|0:c;e=g?e+-1-a|0:a}return c|0}function Il(a){a=a|0;var c=0;f[a>>2]=0;c=a+8|0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;f[c+12>>2]=0;b[a+24>>0]=1;f[a+28>>2]=9;c=a+40|0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;f[c+12>>2]=0;f[a+56>>2]=-1;f[a+60>>2]=0;return}function Jl(a){a=a|0;yj(a);Oq(a);return}function Kl(a){a=a|0;var b=0;f[a>>2]=3148;b=f[a+56>>2]|0;if(b|0)Oq(b);b=a+48|0;a=f[b>>2]|0;f[b>>2]=0;if(!a)return;Mq(a);return}function Ll(a){a=a|0;var c=0,d=0,e=0,g=0,h=0;if(!(Aq(b[f[a>>2]>>0]|0)|0))c=0;else{d=0;while(1){e=f[a>>2]|0;g=(d*10|0)+-48+(b[e>>0]|0)|0;h=e+1|0;f[a>>2]=h;if(!(Aq(b[h>>0]|0)|0)){c=g;break}else d=g}}return c|0}function Ml(a,c){a=a|0;c=c|0;var d=0;if(f[c+56>>2]|0){d=0;return d|0}if((b[c+24>>0]|0)!=3){d=0;return d|0}f[a+64>>2]=c;d=1;return d|0}function Nl(a){a=a|0;var b=0,c=0;b=f[r>>2]|0;c=b+a|0;if((a|0)>0&(c|0)<(b|0)|(c|0)<0){ea()|0;ya(12);return -1}f[r>>2]=c;if((c|0)>(da()|0)?(ca()|0)==0:0){f[r>>2]=b;ya(12);return -1}return b|0}function Ol(a,c,d){a=a|0;c=c|0;d=d|0;var e=0,f=0;if((a|0)==0&(c|0)==0)e=d;else{f=d;d=c;c=a;while(1){a=f+-1|0;b[a>>0]=c&7|48;c=Yn(c|0,d|0,3)|0;d=I;if((c|0)==0&(d|0)==0){e=a;break}else f=a}}return e|0}function Pl(a,c){a=a|0;c=c|0;var d=0;if(f[c+56>>2]|0){d=0;return d|0}if((b[c+24>>0]|0)!=3){d=0;return d|0}f[a+60>>2]=c;d=1;return d|0}function Ql(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1544;b=f[a+32>>2]|0;if(!b){Oq(a);return}c=a+36|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b);Oq(a);return}function Rl(a,b,c,d,e,g){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;g=g|0;if(fp(a,f[b+8>>2]|0,g)|0)qj(0,b,c,d,e);return}function Sl(a){a=a|0;var b=0;f[a>>2]=2784;b=f[a+56>>2]|0;if(b|0)Oq(b);b=a+48|0;a=f[b>>2]|0;f[b>>2]=0;if(!a)return;Mq(a);return}function Tl(a){a=a|0;var c=0,d=0,e=0,g=0;c=u;u=u+16|0;d=c;e=f[a+4>>2]|0;g=(f[e+56>>2]|0)-(f[e+52>>2]|0)>>2;b[d>>0]=0;qh(a+20|0,g,d);u=c;return}function Ul(a){a=a|0;Vi(a);Oq(a);return}function Vl(a){a=a|0;var b=0;switch(a|0){case 11:case 2:case 1:{b=1;break}case 4:case 3:{b=2;break}case 6:case 5:{b=4;break}case 8:case 7:{b=8;break}case 9:{b=4;break}case 10:{b=8;break}default:b=-1}return b|0}function Wl(a){a=a|0;var c=0,d=0,e=0,g=0;c=u;u=u+16|0;d=c;e=f[a+4>>2]|0;g=(f[e+28>>2]|0)-(f[e+24>>2]|0)>>2;b[d>>0]=0;qh(a+20|0,g,d);u=c;return}function Xl(){var a=0,b=0;a=ln(40)|0;f[a>>2]=0;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=0;n[a+16>>2]=$(1.0);b=a+20|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;f[b+12>>2]=0;n[a+36>>2]=$(1.0);return a|0}function Yl(a,b){a=+a;b=+b;var c=0,d=0,e=0;p[s>>3]=a;c=f[s>>2]|0;d=f[s+4>>2]|0;p[s>>3]=b;e=f[s+4>>2]&-2147483648|d&2147483647;f[s>>2]=c;f[s+4>>2]=e;return +(+p[s>>3])}function Zl(a,b,c){a=a|0;b=b|0;c=+c;var d=0,e=0;d=u;u=u+16|0;e=d;p[e>>3]=c;_b(a,b,e);u=d;return}function _l(a){a=a|0;f[a>>2]=3656;Qi(a+8|0);Oq(a);return}function $l(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;d=u;u=u+16|0;e=d;f[e>>2]=c;fc(a,b,e);u=d;return}function am(a,c){a=a|0;c=c|0;var d=0,e=0;if((a|0)!=(c|0)){d=b[c+11>>0]|0;e=d<<24>>24<0;jj(a,e?f[c>>2]|0:c,e?f[c+4>>2]|0:d&255)|0}return a|0}function bm(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0;c=a&65535;d=b&65535;e=X(d,c)|0;f=a>>>16;a=(e>>>16)+(X(d,f)|0)|0;d=b>>>16;b=X(d,c)|0;return (I=(a>>>16)+(X(d,f)|0)+(((a&65535)+b|0)>>>16)|0,a+b<<16|e&65535|0)|0}function cm(a,b){a=a|0;b=b|0;var c=0,d=0,e=0;c=Gj(b)|0;d=ln(c+13|0)|0;f[d>>2]=c;f[d+4>>2]=c;f[d+8>>2]=0;e=Fp(d)|0;kh(e|0,b|0,c+1|0)|0;f[a>>2]=e;return}function dm(a,b){a=a|0;b=b|0;var c=0,d=0;if((b|0)==-1|(b|0)>4){c=-1;return c|0}d=f[a+20+(b*12|0)>>2]|0;if(((f[a+20+(b*12|0)+4>>2]|0)-d|0)<=0){c=-1;return c|0}c=f[d>>2]|0;return c|0}function em(a){a=a|0;Yi(a);Oq(a);return}function fm(a){a=a|0;f[a>>2]=3656;Qi(a+8|0);return}function gm(a){a=a|0;var b=0,c=0;f[a>>2]=1544;b=f[a+32>>2]|0;if(!b)return;c=a+36|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function hm(a,b,c,d){a=a|0;b=b|0;c=c|0;d=d|0;if(fp(a,f[b+8>>2]|0,0)|0)Ck(0,b,c,d);return}function im(a,c,d){a=a|0;c=c|0;d=d|0;var e=0;if((c|0)<(a|0)&(a|0)<(c+d|0)){e=a;c=c+d|0;a=a+d|0;while((d|0)>0){a=a-1|0;c=c-1|0;d=d-1|0;b[a>>0]=b[c>>0]|0}a=e}else kh(a,c,d)|0;return a|0}function jm(a){a=a|0;var b=0,c=0,d=0;f[a>>2]=1196;b=f[a+8>>2]|0;if(!b){Oq(a);return}c=a+12|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);Oq(b);Oq(a);return}function km(a){a=a|0;var b=0;f[a>>2]=3204;b=f[a+56>>2]|0;if(!b){Oq(a);return}Oq(b);Oq(a);return}function lm(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0;d=u;u=u+16|0;e=d;f[e>>2]=f[c>>2];g=Sa[f[(f[a>>2]|0)+16>>2]&31](a,b,e)|0;if(g)f[c>>2]=f[e>>2];u=d;return g&1|0}function mm(a,b){a=a|0;b=b|0;var c=0;if(b>>>0>=2){c=0;return c|0}f[a+28>>2]=b;c=1;return c|0}function nm(a){a=a|0;var b=0,c=0;f[a>>2]=3408;b=a+56|0;c=f[b>>2]|0;f[b>>2]=0;if(!c){mj(a);return}Va[f[(f[c>>2]|0)+4>>2]&127](c);mj(a);return}function om(){var a=0,b=0;a=sn()|0;if((a|0?(b=f[a>>2]|0,b|0):0)?(a=b+48|0,(f[a>>2]&-256|0)==1126902528?(f[a+4>>2]|0)==1129074247:0):0)Ho(f[b+12>>2]|0);Ho(Qp()|0)}function pm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Qf(a,b,c,d,e,f,6)|0}function qm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Pf(a,b,c,d,e,f,4)|0}function rm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Wf(a,b,c,d,e,f,2)|0}function sm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Pf(a,b,c,d,e,f,3)|0}function tm(a){a=a|0;var b=0;f[a>>2]=2840;b=f[a+56>>2]|0;if(!b){Oq(a);return}Oq(b);Oq(a);return}function um(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Wf(a,b,c,d,e,f,1)|0}function vm(a){a=a|0;var c=0;c=b[w+(a&255)>>0]|0;if((c|0)<8)return c|0;c=b[w+(a>>8&255)>>0]|0;if((c|0)<8)return c+8|0;c=b[w+(a>>16&255)>>0]|0;if((c|0)<8)return c+16|0;return (b[w+(a>>>24)>>0]|0)+24|0}function wm(a,b){a=a|0;b=b|0;var c=0.0,d=0.0,e=0.0,f=0.0;if(!a){c=0.0;return +c}if((b|0)==0|(a|0)==(b|0)){c=0.0;return +c}d=+(b>>>0)/+(a>>>0);e=1.0-d;f=d*+Zg(d);c=-(f+e*+Zg(e));return +c}function xm(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0;if((b|0)>0)d=0;else return;do{e=f[a+(d<<2)>>2]|0;f[c+(d<<2)>>2]=e<<1^e>>31;d=d+1|0}while((d|0)!=(b|0));return}function ym(a){a=a|0;var b=0;zo(a);f[a>>2]=3344;f[a+40>>2]=1196;f[a+44>>2]=-1;b=a+48|0;f[b>>2]=0;f[b+4>>2]=0;f[b+8>>2]=0;f[b+12>>2]=0;return}function zm(a,c){a=a|0;c=c|0;var d=0;b[c+84>>0]=1;a=f[c+68>>2]|0;d=c+72|0;c=f[d>>2]|0;if((c|0)==(a|0))return 1;f[d>>2]=c+(~((c+-4-a|0)>>>2)<<2);return 1}function Am(a){a=a|0;var b=0,c=0;if(pq(a)|0?(b=Mp(f[a>>2]|0)|0,a=b+8|0,c=f[a>>2]|0,f[a>>2]=c+-1,(c+-1|0)<0):0)Oq(b);return}function Bm(a){a=a|0;var b=0,c=0;b=f[a+16>>2]|0;c=(((f[a+12>>2]|0)+1-b|0)/64|0)+b<<3;a=b<<3;b=Vn(c|0,((c|0)<0)<<31>>31|0,a|0,((a|0)<0)<<31>>31|0)|0;return b|0}function Cm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Qf(a,b,c,d,e,f,5)|0}function Dm(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=f|0;return Qf(a,b,c,d,e,f,9)|0}function Em(a){a=a|0;var b=0;f[a>>2]=3204;b=f[a+56>>2]|0;if(!b)return;Oq(b);return}function Fm(a){a=a|0;var b=0,c=0;f[a>>2]=1476;b=a+36|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);Ni(a);Oq(a);return}function Gm(a){a=a|0;var b=0,c=0;f[a>>2]=1196;b=f[a+8>>2]|0;if(!b)return;c=a+12|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function Hm(a){a=a|0;var c=0;f[a>>2]=1352;f[a+4>>2]=0;f[a+8>>2]=0;f[a+12>>2]=-1;c=a+16|0;f[a+32>>2]=0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;b[c+12>>0]=0;return}function Im(a){a=a|0;var b=0;f[a>>2]=2840;b=f[a+56>>2]|0;if(!b)return;Oq(b);return}function Jm(a){a=a|0;var b=0,c=0;f[a>>2]=1476;b=a+36|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);Ni(a);return}function Km(a,b,c,d,e,f){a=a|0;b=b|0;c=c|0;d=d|0;e=e|0;f=$(f);Fg(a,b,c,d,e,f);return}function Lm(a){a=a|0;var b=0,c=0;f[a>>2]=3408;b=a+56|0;c=f[b>>2]|0;f[b>>2]=0;if(c|0)Va[f[(f[c>>2]|0)+4>>2]&127](c);mj(a);Oq(a);return}function Mm(a){a=a|0;var b=0,c=0,d=0;b=f[a>>2]|0;c=a+4|0;d=f[c>>2]|0;if((d|0)!=(b|0))f[c>>2]=d+(~((d+-4-b|0)>>>2)<<2);f[a+12>>2]=0;f[a+16>>2]=0;return}function Nm(a,b,c){a=a|0;b=b|0;c=c|0;var d=0,e=0,g=0;d=a+20|0;e=f[d>>2]|0;g=(f[a+16>>2]|0)-e|0;a=g>>>0>c>>>0?c:g;kh(e|0,b|0,a|0)|0;f[d>>2]=(f[d>>2]|0)+a;return c|0}function Om(a){a=a|0;var b=0;f[a>>2]=3588;b=f[a+20>>2]|0;if(b|0)Oq(b);b=f[a+8>>2]|0;if(!b){Oq(a);return}Oq(b);Oq(a);return}function Pm(a){a=a|0;var b=0,c=0;b=f[a>>2]|0;if(!b)return;c=a+4|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-8-b|0)>>>3)<<3);Oq(b);return}function Qm(a){a=a|0;var b=0,c=0;b=f[a>>2]|0;if(!b)return;c=a+4|0;a=f[c>>2]|0;if((a|0)!=(b|0))f[c>>2]=a+(~((a+-4-b|0)>>>2)<<2);Oq(b);return}function Rm(a,b){a=a|0;b=b|0;var c=0;c=f[b>>2]|0;return (1<<(c&31)&f[(f[a+28>>2]|0)+(c>>>5<<2)>>2]|0)!=0|0}function Sm(a,b,c){a=a|0;b=b|0;c=c|0;return Sa[f[(f[a>>2]|0)+44>>2]&31](a,b,c)|0}function Tm(a){a=a|0;var c=0;Il(a);c=a+64|0;f[a+88>>2]=0;f[c>>2]=0;f[c+4>>2]=0;f[c+8>>2]=0;f[c+12>>2]=0;f[c+16>>2]=0;b[c+20>>0]=0;return}function Um(a){a=a|0;f[a>>2]=3260;Fj(a+88|0);Oq(a);return}function 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+ + +// EMSCRIPTEN_END_ASM +(Module.asmGlobalArg,Module.asmLibraryArg,buffer);var ___cxa_can_catch=Module["___cxa_can_catch"]=asm["___cxa_can_catch"];var ___cxa_is_pointer_type=Module["___cxa_is_pointer_type"]=asm["___cxa_is_pointer_type"];var ___divdi3=Module["___divdi3"]=asm["___divdi3"];var ___muldi3=Module["___muldi3"]=asm["___muldi3"];var ___udivdi3=Module["___udivdi3"]=asm["___udivdi3"];var ___uremdi3=Module["___uremdi3"]=asm["___uremdi3"];var _bitshift64Lshr=Module["_bitshift64Lshr"]=asm["_bitshift64Lshr"];var _bitshift64Shl=Module["_bitshift64Shl"]=asm["_bitshift64Shl"];var _emscripten_bind_DracoInt8Array_DracoInt8Array_0=Module["_emscripten_bind_DracoInt8Array_DracoInt8Array_0"]=asm["_emscripten_bind_DracoInt8Array_DracoInt8Array_0"];var _emscripten_bind_DracoInt8Array_GetValue_1=Module["_emscripten_bind_DracoInt8Array_GetValue_1"]=asm["_emscripten_bind_DracoInt8Array_GetValue_1"];var 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_emscripten_bind_Encoder_SetAttributeQuantization_2=Module["_emscripten_bind_Encoder_SetAttributeQuantization_2"]=asm["_emscripten_bind_Encoder_SetAttributeQuantization_2"];var _emscripten_bind_Encoder_SetEncodingMethod_1=Module["_emscripten_bind_Encoder_SetEncodingMethod_1"]=asm["_emscripten_bind_Encoder_SetEncodingMethod_1"];var _emscripten_bind_Encoder_SetSpeedOptions_2=Module["_emscripten_bind_Encoder_SetSpeedOptions_2"]=asm["_emscripten_bind_Encoder_SetSpeedOptions_2"];var _emscripten_bind_Encoder___destroy___0=Module["_emscripten_bind_Encoder___destroy___0"]=asm["_emscripten_bind_Encoder___destroy___0"];var _emscripten_bind_GeometryAttribute_GeometryAttribute_0=Module["_emscripten_bind_GeometryAttribute_GeometryAttribute_0"]=asm["_emscripten_bind_GeometryAttribute_GeometryAttribute_0"];var _emscripten_bind_GeometryAttribute___destroy___0=Module["_emscripten_bind_GeometryAttribute___destroy___0"]=asm["_emscripten_bind_GeometryAttribute___destroy___0"];var 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1:return a.TRIANGULAR_MESH;default:return a.INVALID_GEOMETRY_TYPE}};return n.ready}}();"object"===typeof exports&&"object"===typeof module?module.exports=DracoDecoderModule:"function"===typeof define&&define.amd?define([],function(){return DracoDecoderModule}):"object"===typeof exports&&(exports.DracoDecoderModule=DracoDecoderModule); diff --git a/node_modules/three/examples/jsm/libs/ecsy.module.js b/node_modules/three/examples/jsm/libs/ecsy.module.js new file mode 100644 index 0000000..6f67599 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/ecsy.module.js @@ -0,0 +1,1792 @@ +/** + * Return the name of a component + * @param {Component} Component + * @private + */ + +/** + * Get a key from a list of components + * @param {Array(Component)} Components Array of components to generate the key + * @private + */ +function queryKey(Components) { + var ids = []; + for (var n = 0; n < Components.length; n++) { + var T = Components[n]; + + if (!componentRegistered(T)) { + throw new Error(`Tried to create a query with an unregistered component`); + } + + if (typeof T === "object") { + var operator = T.operator === "not" ? "!" : T.operator; + ids.push(operator + T.Component._typeId); + } else { + ids.push(T._typeId); + } + } + + return ids.sort().join("-"); +} + +// Detector for browser's "window" +const hasWindow = typeof window !== "undefined"; + +// performance.now() "polyfill" +const now = + hasWindow && typeof window.performance !== "undefined" + ? performance.now.bind(performance) + : Date.now.bind(Date); + +function componentRegistered(T) { + return ( + (typeof T === "object" && T.Component._typeId !== undefined) || + (T.isComponent && T._typeId !== undefined) + ); +} + +class SystemManager { + constructor(world) { + this._systems = []; + this._executeSystems = []; // Systems that have `execute` method + this.world = world; + this.lastExecutedSystem = null; + } + + registerSystem(SystemClass, attributes) { + if (!SystemClass.isSystem) { + throw new Error( + `System '${SystemClass.name}' does not extend 'System' class` + ); + } + + if (this.getSystem(SystemClass) !== undefined) { + console.warn(`System '${SystemClass.getName()}' already registered.`); + return this; + } + + var system = new SystemClass(this.world, attributes); + if (system.init) system.init(attributes); + system.order = this._systems.length; + this._systems.push(system); + if (system.execute) { + this._executeSystems.push(system); + this.sortSystems(); + } + return this; + } + + unregisterSystem(SystemClass) { + let system = this.getSystem(SystemClass); + if (system === undefined) { + console.warn( + `Can unregister system '${SystemClass.getName()}'. It doesn't exist.` + ); + return this; + } + + this._systems.splice(this._systems.indexOf(system), 1); + + if (system.execute) { + this._executeSystems.splice(this._executeSystems.indexOf(system), 1); + } + + // @todo Add system.unregister() call to free resources + return this; + } + + sortSystems() { + this._executeSystems.sort((a, b) => { + return a.priority - b.priority || a.order - b.order; + }); + } + + getSystem(SystemClass) { + return this._systems.find((s) => s instanceof SystemClass); + } + + getSystems() { + return this._systems; + } + + removeSystem(SystemClass) { + var index = this._systems.indexOf(SystemClass); + if (!~index) return; + + this._systems.splice(index, 1); + } + + executeSystem(system, delta, time) { + if (system.initialized) { + if (system.canExecute()) { + let startTime = now(); + system.execute(delta, time); + system.executeTime = now() - startTime; + this.lastExecutedSystem = system; + system.clearEvents(); + } + } + } + + stop() { + this._executeSystems.forEach((system) => system.stop()); + } + + execute(delta, time, forcePlay) { + this._executeSystems.forEach( + (system) => + (forcePlay || system.enabled) && this.executeSystem(system, delta, time) + ); + } + + stats() { + var stats = { + numSystems: this._systems.length, + systems: {}, + }; + + for (var i = 0; i < this._systems.length; i++) { + var system = this._systems[i]; + var systemStats = (stats.systems[system.getName()] = { + queries: {}, + executeTime: system.executeTime, + }); + for (var name in system.ctx) { + systemStats.queries[name] = system.ctx[name].stats(); + } + } + + return stats; + } +} + +class ObjectPool { + // @todo Add initial size + constructor(T, initialSize) { + this.freeList = []; + this.count = 0; + this.T = T; + this.isObjectPool = true; + + if (typeof initialSize !== "undefined") { + this.expand(initialSize); + } + } + + acquire() { + // Grow the list by 20%ish if we're out + if (this.freeList.length <= 0) { + this.expand(Math.round(this.count * 0.2) + 1); + } + + var item = this.freeList.pop(); + + return item; + } + + release(item) { + item.reset(); + this.freeList.push(item); + } + + expand(count) { + for (var n = 0; n < count; n++) { + var clone = new this.T(); + clone._pool = this; + this.freeList.push(clone); + } + this.count += count; + } + + totalSize() { + return this.count; + } + + totalFree() { + return this.freeList.length; + } + + totalUsed() { + return this.count - this.freeList.length; + } +} + +/** + * @private + * @class EventDispatcher + */ +class EventDispatcher { + constructor() { + this._listeners = {}; + this.stats = { + fired: 0, + handled: 0, + }; + } + + /** + * Add an event listener + * @param {String} eventName Name of the event to listen + * @param {Function} listener Callback to trigger when the event is fired + */ + addEventListener(eventName, listener) { + let listeners = this._listeners; + if (listeners[eventName] === undefined) { + listeners[eventName] = []; + } + + if (listeners[eventName].indexOf(listener) === -1) { + listeners[eventName].push(listener); + } + } + + /** + * Check if an event listener is already added to the list of listeners + * @param {String} eventName Name of the event to check + * @param {Function} listener Callback for the specified event + */ + hasEventListener(eventName, listener) { + return ( + this._listeners[eventName] !== undefined && + this._listeners[eventName].indexOf(listener) !== -1 + ); + } + + /** + * Remove an event listener + * @param {String} eventName Name of the event to remove + * @param {Function} listener Callback for the specified event + */ + removeEventListener(eventName, listener) { + var listenerArray = this._listeners[eventName]; + if (listenerArray !== undefined) { + var index = listenerArray.indexOf(listener); + if (index !== -1) { + listenerArray.splice(index, 1); + } + } + } + + /** + * Dispatch an event + * @param {String} eventName Name of the event to dispatch + * @param {Entity} entity (Optional) Entity to emit + * @param {Component} component + */ + dispatchEvent(eventName, entity, component) { + this.stats.fired++; + + var listenerArray = this._listeners[eventName]; + if (listenerArray !== undefined) { + var array = listenerArray.slice(0); + + for (var i = 0; i < array.length; i++) { + array[i].call(this, entity, component); + } + } + } + + /** + * Reset stats counters + */ + resetCounters() { + this.stats.fired = this.stats.handled = 0; + } +} + +class Query { + /** + * @param {Array(Component)} Components List of types of components to query + */ + constructor(Components, manager) { + this.Components = []; + this.NotComponents = []; + + Components.forEach((component) => { + if (typeof component === "object") { + this.NotComponents.push(component.Component); + } else { + this.Components.push(component); + } + }); + + if (this.Components.length === 0) { + throw new Error("Can't create a query without components"); + } + + this.entities = []; + + this.eventDispatcher = new EventDispatcher(); + + // This query is being used by a reactive system + this.reactive = false; + + this.key = queryKey(Components); + + // Fill the query with the existing entities + for (var i = 0; i < manager._entities.length; i++) { + var entity = manager._entities[i]; + if (this.match(entity)) { + // @todo ??? this.addEntity(entity); => preventing the event to be generated + entity.queries.push(this); + this.entities.push(entity); + } + } + } + + /** + * Add entity to this query + * @param {Entity} entity + */ + addEntity(entity) { + entity.queries.push(this); + this.entities.push(entity); + + this.eventDispatcher.dispatchEvent(Query.prototype.ENTITY_ADDED, entity); + } + + /** + * Remove entity from this query + * @param {Entity} entity + */ + removeEntity(entity) { + let index = this.entities.indexOf(entity); + if (~index) { + this.entities.splice(index, 1); + + index = entity.queries.indexOf(this); + entity.queries.splice(index, 1); + + this.eventDispatcher.dispatchEvent( + Query.prototype.ENTITY_REMOVED, + entity + ); + } + } + + match(entity) { + return ( + entity.hasAllComponents(this.Components) && + !entity.hasAnyComponents(this.NotComponents) + ); + } + + toJSON() { + return { + key: this.key, + reactive: this.reactive, + components: { + included: this.Components.map((C) => C.name), + not: this.NotComponents.map((C) => C.name), + }, + numEntities: this.entities.length, + }; + } + + /** + * Return stats for this query + */ + stats() { + return { + numComponents: this.Components.length, + numEntities: this.entities.length, + }; + } +} + +Query.prototype.ENTITY_ADDED = "Query#ENTITY_ADDED"; +Query.prototype.ENTITY_REMOVED = "Query#ENTITY_REMOVED"; +Query.prototype.COMPONENT_CHANGED = "Query#COMPONENT_CHANGED"; + +/** + * @private + * @class QueryManager + */ +class QueryManager { + constructor(world) { + this._world = world; + + // Queries indexed by a unique identifier for the components it has + this._queries = {}; + } + + onEntityRemoved(entity) { + for (var queryName in this._queries) { + var query = this._queries[queryName]; + if (entity.queries.indexOf(query) !== -1) { + query.removeEntity(entity); + } + } + } + + /** + * Callback when a component is added to an entity + * @param {Entity} entity Entity that just got the new component + * @param {Component} Component Component added to the entity + */ + onEntityComponentAdded(entity, Component) { + // @todo Use bitmask for checking components? + + // Check each indexed query to see if we need to add this entity to the list + for (var queryName in this._queries) { + var query = this._queries[queryName]; + + if ( + !!~query.NotComponents.indexOf(Component) && + ~query.entities.indexOf(entity) + ) { + query.removeEntity(entity); + continue; + } + + // Add the entity only if: + // Component is in the query + // and Entity has ALL the components of the query + // and Entity is not already in the query + if ( + !~query.Components.indexOf(Component) || + !query.match(entity) || + ~query.entities.indexOf(entity) + ) + continue; + + query.addEntity(entity); + } + } + + /** + * Callback when a component is removed from an entity + * @param {Entity} entity Entity to remove the component from + * @param {Component} Component Component to remove from the entity + */ + onEntityComponentRemoved(entity, Component) { + for (var queryName in this._queries) { + var query = this._queries[queryName]; + + if ( + !!~query.NotComponents.indexOf(Component) && + !~query.entities.indexOf(entity) && + query.match(entity) + ) { + query.addEntity(entity); + continue; + } + + if ( + !!~query.Components.indexOf(Component) && + !!~query.entities.indexOf(entity) && + !query.match(entity) + ) { + query.removeEntity(entity); + continue; + } + } + } + + /** + * Get a query for the specified components + * @param {Component} Components Components that the query should have + */ + getQuery(Components) { + var key = queryKey(Components); + var query = this._queries[key]; + if (!query) { + this._queries[key] = query = new Query(Components, this._world); + } + return query; + } + + /** + * Return some stats from this class + */ + stats() { + var stats = {}; + for (var queryName in this._queries) { + stats[queryName] = this._queries[queryName].stats(); + } + return stats; + } +} + +class Component { + constructor(props) { + if (props !== false) { + const schema = this.constructor.schema; + + for (const key in schema) { + if (props && props.hasOwnProperty(key)) { + this[key] = props[key]; + } else { + const schemaProp = schema[key]; + if (schemaProp.hasOwnProperty("default")) { + this[key] = schemaProp.type.clone(schemaProp.default); + } else { + const type = schemaProp.type; + this[key] = type.clone(type.default); + } + } + } + + if ( props !== undefined) { + this.checkUndefinedAttributes(props); + } + } + + this._pool = null; + } + + copy(source) { + const schema = this.constructor.schema; + + for (const key in schema) { + const prop = schema[key]; + + if (source.hasOwnProperty(key)) { + this[key] = prop.type.copy(source[key], this[key]); + } + } + + // @DEBUG + { + this.checkUndefinedAttributes(source); + } + + return this; + } + + clone() { + return new this.constructor().copy(this); + } + + reset() { + const schema = this.constructor.schema; + + for (const key in schema) { + const schemaProp = schema[key]; + + if (schemaProp.hasOwnProperty("default")) { + this[key] = schemaProp.type.copy(schemaProp.default, this[key]); + } else { + const type = schemaProp.type; + this[key] = type.copy(type.default, this[key]); + } + } + } + + dispose() { + if (this._pool) { + this._pool.release(this); + } + } + + getName() { + return this.constructor.getName(); + } + + checkUndefinedAttributes(src) { + const schema = this.constructor.schema; + + // Check that the attributes defined in source are also defined in the schema + Object.keys(src).forEach((srcKey) => { + if (!schema.hasOwnProperty(srcKey)) { + console.warn( + `Trying to set attribute '${srcKey}' not defined in the '${this.constructor.name}' schema. Please fix the schema, the attribute value won't be set` + ); + } + }); + } +} + +Component.schema = {}; +Component.isComponent = true; +Component.getName = function () { + return this.displayName || this.name; +}; + +class SystemStateComponent extends Component {} + +SystemStateComponent.isSystemStateComponent = true; + +class EntityPool extends ObjectPool { + constructor(entityManager, entityClass, initialSize) { + super(entityClass, undefined); + this.entityManager = entityManager; + + if (typeof initialSize !== "undefined") { + this.expand(initialSize); + } + } + + expand(count) { + for (var n = 0; n < count; n++) { + var clone = new this.T(this.entityManager); + clone._pool = this; + this.freeList.push(clone); + } + this.count += count; + } +} + +/** + * @private + * @class EntityManager + */ +class EntityManager { + constructor(world) { + this.world = world; + this.componentsManager = world.componentsManager; + + // All the entities in this instance + this._entities = []; + this._nextEntityId = 0; + + this._entitiesByNames = {}; + + this._queryManager = new QueryManager(this); + this.eventDispatcher = new EventDispatcher(); + this._entityPool = new EntityPool( + this, + this.world.options.entityClass, + this.world.options.entityPoolSize + ); + + // Deferred deletion + this.entitiesWithComponentsToRemove = []; + this.entitiesToRemove = []; + this.deferredRemovalEnabled = true; + } + + getEntityByName(name) { + return this._entitiesByNames[name]; + } + + /** + * Create a new entity + */ + createEntity(name) { + var entity = this._entityPool.acquire(); + entity.alive = true; + entity.name = name || ""; + if (name) { + if (this._entitiesByNames[name]) { + console.warn(`Entity name '${name}' already exist`); + } else { + this._entitiesByNames[name] = entity; + } + } + + this._entities.push(entity); + this.eventDispatcher.dispatchEvent(ENTITY_CREATED, entity); + return entity; + } + + // COMPONENTS + + /** + * Add a component to an entity + * @param {Entity} entity Entity where the component will be added + * @param {Component} Component Component to be added to the entity + * @param {Object} values Optional values to replace the default attributes + */ + entityAddComponent(entity, Component, values) { + // @todo Probably define Component._typeId with a default value and avoid using typeof + if ( + typeof Component._typeId === "undefined" && + !this.world.componentsManager._ComponentsMap[Component._typeId] + ) { + throw new Error( + `Attempted to add unregistered component "${Component.getName()}"` + ); + } + + if (~entity._ComponentTypes.indexOf(Component)) { + { + console.warn( + "Component type already exists on entity.", + entity, + Component.getName() + ); + } + return; + } + + entity._ComponentTypes.push(Component); + + if (Component.__proto__ === SystemStateComponent) { + entity.numStateComponents++; + } + + var componentPool = this.world.componentsManager.getComponentsPool( + Component + ); + + var component = componentPool + ? componentPool.acquire() + : new Component(values); + + if (componentPool && values) { + component.copy(values); + } + + entity._components[Component._typeId] = component; + + this._queryManager.onEntityComponentAdded(entity, Component); + this.world.componentsManager.componentAddedToEntity(Component); + + this.eventDispatcher.dispatchEvent(COMPONENT_ADDED, entity, Component); + } + + /** + * Remove a component from an entity + * @param {Entity} entity Entity which will get removed the component + * @param {*} Component Component to remove from the entity + * @param {Bool} immediately If you want to remove the component immediately instead of deferred (Default is false) + */ + entityRemoveComponent(entity, Component, immediately) { + var index = entity._ComponentTypes.indexOf(Component); + if (!~index) return; + + this.eventDispatcher.dispatchEvent(COMPONENT_REMOVE, entity, Component); + + if (immediately) { + this._entityRemoveComponentSync(entity, Component, index); + } else { + if (entity._ComponentTypesToRemove.length === 0) + this.entitiesWithComponentsToRemove.push(entity); + + entity._ComponentTypes.splice(index, 1); + entity._ComponentTypesToRemove.push(Component); + + entity._componentsToRemove[Component._typeId] = + entity._components[Component._typeId]; + delete entity._components[Component._typeId]; + } + + // Check each indexed query to see if we need to remove it + this._queryManager.onEntityComponentRemoved(entity, Component); + + if (Component.__proto__ === SystemStateComponent) { + entity.numStateComponents--; + + // Check if the entity was a ghost waiting for the last system state component to be removed + if (entity.numStateComponents === 0 && !entity.alive) { + entity.remove(); + } + } + } + + _entityRemoveComponentSync(entity, Component, index) { + // Remove T listing on entity and property ref, then free the component. + entity._ComponentTypes.splice(index, 1); + var component = entity._components[Component._typeId]; + delete entity._components[Component._typeId]; + component.dispose(); + this.world.componentsManager.componentRemovedFromEntity(Component); + } + + /** + * Remove all the components from an entity + * @param {Entity} entity Entity from which the components will be removed + */ + entityRemoveAllComponents(entity, immediately) { + let Components = entity._ComponentTypes; + + for (let j = Components.length - 1; j >= 0; j--) { + if (Components[j].__proto__ !== SystemStateComponent) + this.entityRemoveComponent(entity, Components[j], immediately); + } + } + + /** + * Remove the entity from this manager. It will clear also its components + * @param {Entity} entity Entity to remove from the manager + * @param {Bool} immediately If you want to remove the component immediately instead of deferred (Default is false) + */ + removeEntity(entity, immediately) { + var index = this._entities.indexOf(entity); + + if (!~index) throw new Error("Tried to remove entity not in list"); + + entity.alive = false; + this.entityRemoveAllComponents(entity, immediately); + + if (entity.numStateComponents === 0) { + // Remove from entity list + this.eventDispatcher.dispatchEvent(ENTITY_REMOVED, entity); + this._queryManager.onEntityRemoved(entity); + if (immediately === true) { + this._releaseEntity(entity, index); + } else { + this.entitiesToRemove.push(entity); + } + } + } + + _releaseEntity(entity, index) { + this._entities.splice(index, 1); + + if (this._entitiesByNames[entity.name]) { + delete this._entitiesByNames[entity.name]; + } + entity._pool.release(entity); + } + + /** + * Remove all entities from this manager + */ + removeAllEntities() { + for (var i = this._entities.length - 1; i >= 0; i--) { + this.removeEntity(this._entities[i]); + } + } + + processDeferredRemoval() { + if (!this.deferredRemovalEnabled) { + return; + } + + for (let i = 0; i < this.entitiesToRemove.length; i++) { + let entity = this.entitiesToRemove[i]; + let index = this._entities.indexOf(entity); + this._releaseEntity(entity, index); + } + this.entitiesToRemove.length = 0; + + for (let i = 0; i < this.entitiesWithComponentsToRemove.length; i++) { + let entity = this.entitiesWithComponentsToRemove[i]; + while (entity._ComponentTypesToRemove.length > 0) { + let Component = entity._ComponentTypesToRemove.pop(); + + var component = entity._componentsToRemove[Component._typeId]; + delete entity._componentsToRemove[Component._typeId]; + component.dispose(); + this.world.componentsManager.componentRemovedFromEntity(Component); + + //this._entityRemoveComponentSync(entity, Component, index); + } + } + + this.entitiesWithComponentsToRemove.length = 0; + } + + /** + * Get a query based on a list of components + * @param {Array(Component)} Components List of components that will form the query + */ + queryComponents(Components) { + return this._queryManager.getQuery(Components); + } + + // EXTRAS + + /** + * Return number of entities + */ + count() { + return this._entities.length; + } + + /** + * Return some stats + */ + stats() { + var stats = { + numEntities: this._entities.length, + numQueries: Object.keys(this._queryManager._queries).length, + queries: this._queryManager.stats(), + numComponentPool: Object.keys(this.componentsManager._componentPool) + .length, + componentPool: {}, + eventDispatcher: this.eventDispatcher.stats, + }; + + for (var ecsyComponentId in this.componentsManager._componentPool) { + var pool = this.componentsManager._componentPool[ecsyComponentId]; + stats.componentPool[pool.T.getName()] = { + used: pool.totalUsed(), + size: pool.count, + }; + } + + return stats; + } +} + +const ENTITY_CREATED = "EntityManager#ENTITY_CREATE"; +const ENTITY_REMOVED = "EntityManager#ENTITY_REMOVED"; +const COMPONENT_ADDED = "EntityManager#COMPONENT_ADDED"; +const COMPONENT_REMOVE = "EntityManager#COMPONENT_REMOVE"; + +class ComponentManager { + constructor() { + this.Components = []; + this._ComponentsMap = {}; + + this._componentPool = {}; + this.numComponents = {}; + this.nextComponentId = 0; + } + + hasComponent(Component) { + return this.Components.indexOf(Component) !== -1; + } + + registerComponent(Component, objectPool) { + if (this.Components.indexOf(Component) !== -1) { + console.warn( + `Component type: '${Component.getName()}' already registered.` + ); + return; + } + + const schema = Component.schema; + + if (!schema) { + throw new Error( + `Component "${Component.getName()}" has no schema property.` + ); + } + + for (const propName in schema) { + const prop = schema[propName]; + + if (!prop.type) { + throw new Error( + `Invalid schema for component "${Component.getName()}". Missing type for "${propName}" property.` + ); + } + } + + Component._typeId = this.nextComponentId++; + this.Components.push(Component); + this._ComponentsMap[Component._typeId] = Component; + this.numComponents[Component._typeId] = 0; + + if (objectPool === undefined) { + objectPool = new ObjectPool(Component); + } else if (objectPool === false) { + objectPool = undefined; + } + + this._componentPool[Component._typeId] = objectPool; + } + + componentAddedToEntity(Component) { + this.numComponents[Component._typeId]++; + } + + componentRemovedFromEntity(Component) { + this.numComponents[Component._typeId]--; + } + + getComponentsPool(Component) { + return this._componentPool[Component._typeId]; + } +} + +const Version = "0.3.1"; + +const proxyMap = new WeakMap(); + +const proxyHandler = { + set(target, prop) { + throw new Error( + `Tried to write to "${target.constructor.getName()}#${String( + prop + )}" on immutable component. Use .getMutableComponent() to modify a component.` + ); + }, +}; + +function wrapImmutableComponent(T, component) { + if (component === undefined) { + return undefined; + } + + let wrappedComponent = proxyMap.get(component); + + if (!wrappedComponent) { + wrappedComponent = new Proxy(component, proxyHandler); + proxyMap.set(component, wrappedComponent); + } + + return wrappedComponent; +} + +class Entity { + constructor(entityManager) { + this._entityManager = entityManager || null; + + // Unique ID for this entity + this.id = entityManager._nextEntityId++; + + // List of components types the entity has + this._ComponentTypes = []; + + // Instance of the components + this._components = {}; + + this._componentsToRemove = {}; + + // Queries where the entity is added + this.queries = []; + + // Used for deferred removal + this._ComponentTypesToRemove = []; + + this.alive = false; + + //if there are state components on a entity, it can't be removed completely + this.numStateComponents = 0; + } + + // COMPONENTS + + getComponent(Component, includeRemoved) { + var component = this._components[Component._typeId]; + + if (!component && includeRemoved === true) { + component = this._componentsToRemove[Component._typeId]; + } + + return wrapImmutableComponent(Component, component) + ; + } + + getRemovedComponent(Component) { + const component = this._componentsToRemove[Component._typeId]; + + return wrapImmutableComponent(Component, component) + ; + } + + getComponents() { + return this._components; + } + + getComponentsToRemove() { + return this._componentsToRemove; + } + + getComponentTypes() { + return this._ComponentTypes; + } + + getMutableComponent(Component) { + var component = this._components[Component._typeId]; + + if (!component) { + return; + } + + for (var i = 0; i < this.queries.length; i++) { + var query = this.queries[i]; + // @todo accelerate this check. Maybe having query._Components as an object + // @todo add Not components + if (query.reactive && query.Components.indexOf(Component) !== -1) { + query.eventDispatcher.dispatchEvent( + Query.prototype.COMPONENT_CHANGED, + this, + component + ); + } + } + return component; + } + + addComponent(Component, values) { + this._entityManager.entityAddComponent(this, Component, values); + return this; + } + + removeComponent(Component, forceImmediate) { + this._entityManager.entityRemoveComponent(this, Component, forceImmediate); + return this; + } + + hasComponent(Component, includeRemoved) { + return ( + !!~this._ComponentTypes.indexOf(Component) || + (includeRemoved === true && this.hasRemovedComponent(Component)) + ); + } + + hasRemovedComponent(Component) { + return !!~this._ComponentTypesToRemove.indexOf(Component); + } + + hasAllComponents(Components) { + for (var i = 0; i < Components.length; i++) { + if (!this.hasComponent(Components[i])) return false; + } + return true; + } + + hasAnyComponents(Components) { + for (var i = 0; i < Components.length; i++) { + if (this.hasComponent(Components[i])) return true; + } + return false; + } + + removeAllComponents(forceImmediate) { + return this._entityManager.entityRemoveAllComponents(this, forceImmediate); + } + + copy(src) { + // TODO: This can definitely be optimized + for (var ecsyComponentId in src._components) { + var srcComponent = src._components[ecsyComponentId]; + this.addComponent(srcComponent.constructor); + var component = this.getComponent(srcComponent.constructor); + component.copy(srcComponent); + } + + return this; + } + + clone() { + return new Entity(this._entityManager).copy(this); + } + + reset() { + this.id = this._entityManager._nextEntityId++; + this._ComponentTypes.length = 0; + this.queries.length = 0; + + for (var ecsyComponentId in this._components) { + delete this._components[ecsyComponentId]; + } + } + + remove(forceImmediate) { + return this._entityManager.removeEntity(this, forceImmediate); + } +} + +const DEFAULT_OPTIONS = { + entityPoolSize: 0, + entityClass: Entity, +}; + +class World { + constructor(options = {}) { + this.options = Object.assign({}, DEFAULT_OPTIONS, options); + + this.componentsManager = new ComponentManager(this); + this.entityManager = new EntityManager(this); + this.systemManager = new SystemManager(this); + + this.enabled = true; + + this.eventQueues = {}; + + if (hasWindow && typeof CustomEvent !== "undefined") { + var event = new CustomEvent("ecsy-world-created", { + detail: { world: this, version: Version }, + }); + window.dispatchEvent(event); + } + + this.lastTime = now() / 1000; + } + + registerComponent(Component, objectPool) { + this.componentsManager.registerComponent(Component, objectPool); + return this; + } + + registerSystem(System, attributes) { + this.systemManager.registerSystem(System, attributes); + return this; + } + + hasRegisteredComponent(Component) { + return this.componentsManager.hasComponent(Component); + } + + unregisterSystem(System) { + this.systemManager.unregisterSystem(System); + return this; + } + + getSystem(SystemClass) { + return this.systemManager.getSystem(SystemClass); + } + + getSystems() { + return this.systemManager.getSystems(); + } + + execute(delta, time) { + if (!delta) { + time = now() / 1000; + delta = time - this.lastTime; + this.lastTime = time; + } + + if (this.enabled) { + this.systemManager.execute(delta, time); + this.entityManager.processDeferredRemoval(); + } + } + + stop() { + this.enabled = false; + } + + play() { + this.enabled = true; + } + + createEntity(name) { + return this.entityManager.createEntity(name); + } + + stats() { + var stats = { + entities: this.entityManager.stats(), + system: this.systemManager.stats(), + }; + + return stats; + } +} + +class System { + canExecute() { + if (this._mandatoryQueries.length === 0) return true; + + for (let i = 0; i < this._mandatoryQueries.length; i++) { + var query = this._mandatoryQueries[i]; + if (query.entities.length === 0) { + return false; + } + } + + return true; + } + + getName() { + return this.constructor.getName(); + } + + constructor(world, attributes) { + this.world = world; + this.enabled = true; + + // @todo Better naming :) + this._queries = {}; + this.queries = {}; + + this.priority = 0; + + // Used for stats + this.executeTime = 0; + + if (attributes && attributes.priority) { + this.priority = attributes.priority; + } + + this._mandatoryQueries = []; + + this.initialized = true; + + if (this.constructor.queries) { + for (var queryName in this.constructor.queries) { + var queryConfig = this.constructor.queries[queryName]; + var Components = queryConfig.components; + if (!Components || Components.length === 0) { + throw new Error("'components' attribute can't be empty in a query"); + } + + // Detect if the components have already been registered + let unregisteredComponents = Components.filter( + (Component) => !componentRegistered(Component) + ); + + if (unregisteredComponents.length > 0) { + throw new Error( + `Tried to create a query '${ + this.constructor.name + }.${queryName}' with unregistered components: [${unregisteredComponents + .map((c) => c.getName()) + .join(", ")}]` + ); + } + + var query = this.world.entityManager.queryComponents(Components); + + this._queries[queryName] = query; + if (queryConfig.mandatory === true) { + this._mandatoryQueries.push(query); + } + this.queries[queryName] = { + results: query.entities, + }; + + // Reactive configuration added/removed/changed + var validEvents = ["added", "removed", "changed"]; + + const eventMapping = { + added: Query.prototype.ENTITY_ADDED, + removed: Query.prototype.ENTITY_REMOVED, + changed: Query.prototype.COMPONENT_CHANGED, // Query.prototype.ENTITY_CHANGED + }; + + if (queryConfig.listen) { + validEvents.forEach((eventName) => { + if (!this.execute) { + console.warn( + `System '${this.getName()}' has defined listen events (${validEvents.join( + ", " + )}) for query '${queryName}' but it does not implement the 'execute' method.` + ); + } + + // Is the event enabled on this system's query? + if (queryConfig.listen[eventName]) { + let event = queryConfig.listen[eventName]; + + if (eventName === "changed") { + query.reactive = true; + if (event === true) { + // Any change on the entity from the components in the query + let eventList = (this.queries[queryName][eventName] = []); + query.eventDispatcher.addEventListener( + Query.prototype.COMPONENT_CHANGED, + (entity) => { + // Avoid duplicates + if (eventList.indexOf(entity) === -1) { + eventList.push(entity); + } + } + ); + } else if (Array.isArray(event)) { + let eventList = (this.queries[queryName][eventName] = []); + query.eventDispatcher.addEventListener( + Query.prototype.COMPONENT_CHANGED, + (entity, changedComponent) => { + // Avoid duplicates + if ( + event.indexOf(changedComponent.constructor) !== -1 && + eventList.indexOf(entity) === -1 + ) { + eventList.push(entity); + } + } + ); + } + } else { + let eventList = (this.queries[queryName][eventName] = []); + + query.eventDispatcher.addEventListener( + eventMapping[eventName], + (entity) => { + // @fixme overhead? + if (eventList.indexOf(entity) === -1) + eventList.push(entity); + } + ); + } + } + }); + } + } + } + } + + stop() { + this.executeTime = 0; + this.enabled = false; + } + + play() { + this.enabled = true; + } + + // @question rename to clear queues? + clearEvents() { + for (let queryName in this.queries) { + var query = this.queries[queryName]; + if (query.added) { + query.added.length = 0; + } + if (query.removed) { + query.removed.length = 0; + } + if (query.changed) { + if (Array.isArray(query.changed)) { + query.changed.length = 0; + } else { + for (let name in query.changed) { + query.changed[name].length = 0; + } + } + } + } + } + + toJSON() { + var json = { + name: this.getName(), + enabled: this.enabled, + executeTime: this.executeTime, + priority: this.priority, + queries: {}, + }; + + if (this.constructor.queries) { + var queries = this.constructor.queries; + for (let queryName in queries) { + let query = this.queries[queryName]; + let queryDefinition = queries[queryName]; + let jsonQuery = (json.queries[queryName] = { + key: this._queries[queryName].key, + }); + + jsonQuery.mandatory = queryDefinition.mandatory === true; + jsonQuery.reactive = + queryDefinition.listen && + (queryDefinition.listen.added === true || + queryDefinition.listen.removed === true || + queryDefinition.listen.changed === true || + Array.isArray(queryDefinition.listen.changed)); + + if (jsonQuery.reactive) { + jsonQuery.listen = {}; + + const methods = ["added", "removed", "changed"]; + methods.forEach((method) => { + if (query[method]) { + jsonQuery.listen[method] = { + entities: query[method].length, + }; + } + }); + } + } + } + + return json; + } +} + +System.isSystem = true; +System.getName = function () { + return this.displayName || this.name; +}; + +function Not(Component) { + return { + operator: "not", + Component: Component, + }; +} + +class TagComponent extends Component { + constructor() { + super(false); + } +} + +TagComponent.isTagComponent = true; + +const copyValue = (src) => src; + +const cloneValue = (src) => src; + +const copyArray = (src, dest) => { + if (!src) { + return src; + } + + if (!dest) { + return src.slice(); + } + + dest.length = 0; + + for (let i = 0; i < src.length; i++) { + dest.push(src[i]); + } + + return dest; +}; + +const cloneArray = (src) => src && src.slice(); + +const copyJSON = (src) => JSON.parse(JSON.stringify(src)); + +const cloneJSON = (src) => JSON.parse(JSON.stringify(src)); + +const copyCopyable = (src, dest) => { + if (!src) { + return src; + } + + if (!dest) { + return src.clone(); + } + + return dest.copy(src); +}; + +const cloneClonable = (src) => src && src.clone(); + +function createType(typeDefinition) { + var mandatoryProperties = ["name", "default", "copy", "clone"]; + + var undefinedProperties = mandatoryProperties.filter((p) => { + return !typeDefinition.hasOwnProperty(p); + }); + + if (undefinedProperties.length > 0) { + throw new Error( + `createType expects a type definition with the following properties: ${undefinedProperties.join( + ", " + )}` + ); + } + + typeDefinition.isType = true; + + return typeDefinition; +} + +/** + * Standard types + */ +const Types = { + Number: createType({ + name: "Number", + default: 0, + copy: copyValue, + clone: cloneValue, + }), + + Boolean: createType({ + name: "Boolean", + default: false, + copy: copyValue, + clone: cloneValue, + }), + + String: createType({ + name: "String", + default: "", + copy: copyValue, + clone: cloneValue, + }), + + Array: createType({ + name: "Array", + default: [], + copy: copyArray, + clone: cloneArray, + }), + + Ref: createType({ + name: "Ref", + default: undefined, + copy: copyValue, + clone: cloneValue, + }), + + JSON: createType({ + name: "JSON", + default: null, + copy: copyJSON, + clone: cloneJSON, + }), +}; + +function generateId(length) { + var result = ""; + var characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; + var charactersLength = characters.length; + for (var i = 0; i < length; i++) { + result += characters.charAt(Math.floor(Math.random() * charactersLength)); + } + return result; +} + +function injectScript(src, onLoad) { + var script = document.createElement("script"); + // @todo Use link to the ecsy-devtools repo? + script.src = src; + script.onload = onLoad; + (document.head || document.documentElement).appendChild(script); +} + +/* global Peer */ + +function hookConsoleAndErrors(connection) { + var wrapFunctions = ["error", "warning", "log"]; + wrapFunctions.forEach((key) => { + if (typeof console[key] === "function") { + var fn = console[key].bind(console); + console[key] = (...args) => { + connection.send({ + method: "console", + type: key, + args: JSON.stringify(args), + }); + return fn.apply(null, args); + }; + } + }); + + window.addEventListener("error", (error) => { + connection.send({ + method: "error", + error: JSON.stringify({ + message: error.error.message, + stack: error.error.stack, + }), + }); + }); +} + +function includeRemoteIdHTML(remoteId) { + let infoDiv = document.createElement("div"); + infoDiv.style.cssText = ` + align-items: center; + background-color: #333; + color: #aaa; + display:flex; + font-family: Arial; + font-size: 1.1em; + height: 40px; + justify-content: center; + left: 0; + opacity: 0.9; + position: absolute; + right: 0; + text-align: center; + top: 0; + `; + + infoDiv.innerHTML = `Open ECSY devtools to connect to this page using the code: ${remoteId} `; + document.body.appendChild(infoDiv); + + return infoDiv; +} + +function enableRemoteDevtools(remoteId) { + if (!hasWindow) { + console.warn("Remote devtools not available outside the browser"); + return; + } + + window.generateNewCode = () => { + window.localStorage.clear(); + remoteId = generateId(6); + window.localStorage.setItem("ecsyRemoteId", remoteId); + window.location.reload(false); + }; + + remoteId = remoteId || window.localStorage.getItem("ecsyRemoteId"); + if (!remoteId) { + remoteId = generateId(6); + window.localStorage.setItem("ecsyRemoteId", remoteId); + } + + let infoDiv = includeRemoteIdHTML(remoteId); + + window.__ECSY_REMOTE_DEVTOOLS_INJECTED = true; + window.__ECSY_REMOTE_DEVTOOLS = {}; + + let Version = ""; + + // This is used to collect the worlds created before the communication is being established + let worldsBeforeLoading = []; + let onWorldCreated = (e) => { + var world = e.detail.world; + Version = e.detail.version; + worldsBeforeLoading.push(world); + }; + window.addEventListener("ecsy-world-created", onWorldCreated); + + let onLoaded = () => { + // var peer = new Peer(remoteId); + var peer = new Peer(remoteId, { + host: "peerjs.ecsy.io", + secure: true, + port: 443, + config: { + iceServers: [ + { url: "stun:stun.l.google.com:19302" }, + { url: "stun:stun1.l.google.com:19302" }, + { url: "stun:stun2.l.google.com:19302" }, + { url: "stun:stun3.l.google.com:19302" }, + { url: "stun:stun4.l.google.com:19302" }, + ], + }, + debug: 3, + }); + + peer.on("open", (/* id */) => { + peer.on("connection", (connection) => { + window.__ECSY_REMOTE_DEVTOOLS.connection = connection; + connection.on("open", function () { + // infoDiv.style.visibility = "hidden"; + infoDiv.innerHTML = "Connected"; + + // Receive messages + connection.on("data", function (data) { + if (data.type === "init") { + var script = document.createElement("script"); + script.setAttribute("type", "text/javascript"); + script.onload = () => { + script.parentNode.removeChild(script); + + // Once the script is injected we don't need to listen + window.removeEventListener( + "ecsy-world-created", + onWorldCreated + ); + worldsBeforeLoading.forEach((world) => { + var event = new CustomEvent("ecsy-world-created", { + detail: { world: world, version: Version }, + }); + window.dispatchEvent(event); + }); + }; + script.innerHTML = data.script; + (document.head || document.documentElement).appendChild(script); + script.onload(); + + hookConsoleAndErrors(connection); + } else if (data.type === "executeScript") { + let value = eval(data.script); + if (data.returnEval) { + connection.send({ + method: "evalReturn", + value: value, + }); + } + } + }); + }); + }); + }); + }; + + // Inject PeerJS script + injectScript( + "https://cdn.jsdelivr.net/npm/peerjs@0.3.20/dist/peer.min.js", + onLoaded + ); +} + +if (hasWindow) { + const urlParams = new URLSearchParams(window.location.search); + + // @todo Provide a way to disable it if needed + if (urlParams.has("enable-remote-devtools")) { + enableRemoteDevtools(); + } +} + +export { Component, Not, ObjectPool, System, SystemStateComponent, TagComponent, Types, Version, World, Entity as _Entity, cloneArray, cloneClonable, cloneJSON, cloneValue, copyArray, copyCopyable, copyJSON, copyValue, createType, enableRemoteDevtools }; diff --git a/node_modules/three/examples/jsm/libs/fflate.module.js b/node_modules/three/examples/jsm/libs/fflate.module.js new file mode 100644 index 0000000..0638389 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/fflate.module.js @@ -0,0 +1,2672 @@ +/*! +fflate - fast JavaScript compression/decompression + +Licensed under MIT. https://github.com/101arrowz/fflate/blob/master/LICENSE +version 0.8.2 +*/ + +// DEFLATE is a complex format; to read this code, you should probably check the RFC first: +// https://tools.ietf.org/html/rfc1951 +// You may also wish to take a look at the guide I made about this program: +// https://gist.github.com/101arrowz/253f31eb5abc3d9275ab943003ffecad +// Some of the following code is similar to that of UZIP.js: +// https://github.com/photopea/UZIP.js +// However, the vast majority of the codebase has diverged from UZIP.js to increase performance and reduce bundle size. +// Sometimes 0 will appear where -1 would be more appropriate. This is because using a uint +// is better for memory in most engines (I *think*). +var ch2 = {}; +var wk = (function (c, id, msg, transfer, cb) { + var w = new Worker(ch2[id] || (ch2[id] = URL.createObjectURL(new Blob([ + c + ';addEventListener("error",function(e){e=e.error;postMessage({$e$:[e.message,e.code,e.stack]})})' + ], { type: 'text/javascript' })))); + w.onmessage = function (e) { + var d = e.data, ed = d.$e$; + if (ed) { + var err = new Error(ed[0]); + err['code'] = ed[1]; + err.stack = ed[2]; + cb(err, null); + } + else + cb(null, d); + }; + w.postMessage(msg, transfer); + return w; +}); + +// aliases for shorter compressed code (most minifers don't do this) +var u8 = Uint8Array, u16 = Uint16Array, i32 = Int32Array; +// fixed length extra bits +var fleb = new u8([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, /* unused */ 0, 0, /* impossible */ 0]); +// fixed distance extra bits +var fdeb = new u8([0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, /* unused */ 0, 0]); +// code length index map +var clim = new u8([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]); +// get base, reverse index map from extra bits +var freb = function (eb, start) { + var b = new u16(31); + for (var i = 0; i < 31; ++i) { + b[i] = start += 1 << eb[i - 1]; + } + // numbers here are at max 18 bits + var r = new i32(b[30]); + for (var i = 1; i < 30; ++i) { + for (var j = b[i]; j < b[i + 1]; ++j) { + r[j] = ((j - b[i]) << 5) | i; + } + } + return { b: b, r: r }; +}; +var _a = freb(fleb, 2), fl = _a.b, revfl = _a.r; +// we can ignore the fact that the other numbers are wrong; they never happen anyway +fl[28] = 258, revfl[258] = 28; +var _b = freb(fdeb, 0), fd = _b.b, revfd = _b.r; +// map of value to reverse (assuming 16 bits) +var rev = new u16(32768); +for (var i = 0; i < 32768; ++i) { + // reverse table algorithm from SO + var x = ((i & 0xAAAA) >> 1) | ((i & 0x5555) << 1); + x = ((x & 0xCCCC) >> 2) | ((x & 0x3333) << 2); + x = ((x & 0xF0F0) >> 4) | ((x & 0x0F0F) << 4); + rev[i] = (((x & 0xFF00) >> 8) | ((x & 0x00FF) << 8)) >> 1; +} +// create huffman tree from u8 "map": index -> code length for code index +// mb (max bits) must be at most 15 +// TODO: optimize/split up? +var hMap = (function (cd, mb, r) { + var s = cd.length; + // index + var i = 0; + // u16 "map": index -> # of codes with bit length = index + var l = new u16(mb); + // length of cd must be 288 (total # of codes) + for (; i < s; ++i) { + if (cd[i]) + ++l[cd[i] - 1]; + } + // u16 "map": index -> minimum code for bit length = index + var le = new u16(mb); + for (i = 1; i < mb; ++i) { + le[i] = (le[i - 1] + l[i - 1]) << 1; + } + var co; + if (r) { + // u16 "map": index -> number of actual bits, symbol for code + co = new u16(1 << mb); + // bits to remove for reverser + var rvb = 15 - mb; + for (i = 0; i < s; ++i) { + // ignore 0 lengths + if (cd[i]) { + // num encoding both symbol and bits read + var sv = (i << 4) | cd[i]; + // free bits + var r_1 = mb - cd[i]; + // start value + var v = le[cd[i] - 1]++ << r_1; + // m is end value + for (var m = v | ((1 << r_1) - 1); v <= m; ++v) { + // every 16 bit value starting with the code yields the same result + co[rev[v] >> rvb] = sv; + } + } + } + } + else { + co = new u16(s); + for (i = 0; i < s; ++i) { + if (cd[i]) { + co[i] = rev[le[cd[i] - 1]++] >> (15 - cd[i]); + } + } + } + return co; +}); +// fixed length tree +var flt = new u8(288); +for (var i = 0; i < 144; ++i) + flt[i] = 8; +for (var i = 144; i < 256; ++i) + flt[i] = 9; +for (var i = 256; i < 280; ++i) + flt[i] = 7; +for (var i = 280; i < 288; ++i) + flt[i] = 8; +// fixed distance tree +var fdt = new u8(32); +for (var i = 0; i < 32; ++i) + fdt[i] = 5; +// fixed length map +var flm = /*#__PURE__*/ hMap(flt, 9, 0), flrm = /*#__PURE__*/ hMap(flt, 9, 1); +// fixed distance map +var fdm = /*#__PURE__*/ hMap(fdt, 5, 0), fdrm = /*#__PURE__*/ hMap(fdt, 5, 1); +// find max of array +var max = function (a) { + var m = a[0]; + for (var i = 1; i < a.length; ++i) { + if (a[i] > m) + m = a[i]; + } + return m; +}; +// read d, starting at bit p and mask with m +var bits = function (d, p, m) { + var o = (p / 8) | 0; + return ((d[o] | (d[o + 1] << 8)) >> (p & 7)) & m; +}; +// read d, starting at bit p continuing for at least 16 bits +var bits16 = function (d, p) { + var o = (p / 8) | 0; + return ((d[o] | (d[o + 1] << 8) | (d[o + 2] << 16)) >> (p & 7)); +}; +// get end of byte +var shft = function (p) { return ((p + 7) / 8) | 0; }; +// typed array slice - allows garbage collector to free original reference, +// while being more compatible than .slice +var slc = function (v, s, e) { + if (s == null || s < 0) + s = 0; + if (e == null || e > v.length) + e = v.length; + // can't use .constructor in case user-supplied + return new u8(v.subarray(s, e)); +}; +/** + * Codes for errors generated within this library + */ +export var FlateErrorCode = { + UnexpectedEOF: 0, + InvalidBlockType: 1, + InvalidLengthLiteral: 2, + InvalidDistance: 3, + StreamFinished: 4, + NoStreamHandler: 5, + InvalidHeader: 6, + NoCallback: 7, + InvalidUTF8: 8, + ExtraFieldTooLong: 9, + InvalidDate: 10, + FilenameTooLong: 11, + StreamFinishing: 12, + InvalidZipData: 13, + UnknownCompressionMethod: 14 +}; +// error codes +var ec = [ + 'unexpected EOF', + 'invalid block type', + 'invalid length/literal', + 'invalid distance', + 'stream finished', + 'no stream handler', + , + 'no callback', + 'invalid UTF-8 data', + 'extra field too long', + 'date not in range 1980-2099', + 'filename too long', + 'stream finishing', + 'invalid zip data' + // determined by unknown compression method +]; +; +var err = function (ind, msg, nt) { + var e = new Error(msg || ec[ind]); + e.code = ind; + if (Error.captureStackTrace) + Error.captureStackTrace(e, err); + if (!nt) + throw e; + return e; +}; +// expands raw DEFLATE data +var inflt = function (dat, st, buf, dict) { + // source length dict length + var sl = dat.length, dl = dict ? dict.length : 0; + if (!sl || st.f && !st.l) + return buf || new u8(0); + var noBuf = !buf; + // have to estimate size + var resize = noBuf || st.i != 2; + // no state + var noSt = st.i; + // Assumes roughly 33% compression ratio average + if (noBuf) + buf = new u8(sl * 3); + // ensure buffer can fit at least l elements + var cbuf = function (l) { + var bl = buf.length; + // need to increase size to fit + if (l > bl) { + // Double or set to necessary, whichever is greater + var nbuf = new u8(Math.max(bl * 2, l)); + nbuf.set(buf); + buf = nbuf; + } + }; + // last chunk bitpos bytes + var final = st.f || 0, pos = st.p || 0, bt = st.b || 0, lm = st.l, dm = st.d, lbt = st.m, dbt = st.n; + // total bits + var tbts = sl * 8; + do { + if (!lm) { + // BFINAL - this is only 1 when last chunk is next + final = bits(dat, pos, 1); + // type: 0 = no compression, 1 = fixed huffman, 2 = dynamic huffman + var type = bits(dat, pos + 1, 3); + pos += 3; + if (!type) { + // go to end of byte boundary + var s = shft(pos) + 4, l = dat[s - 4] | (dat[s - 3] << 8), t = s + l; + if (t > sl) { + if (noSt) + err(0); + break; + } + // ensure size + if (resize) + cbuf(bt + l); + // Copy over uncompressed data + buf.set(dat.subarray(s, t), bt); + // Get new bitpos, update byte count + st.b = bt += l, st.p = pos = t * 8, st.f = final; + continue; + } + else if (type == 1) + lm = flrm, dm = fdrm, lbt = 9, dbt = 5; + else if (type == 2) { + // literal lengths + var hLit = bits(dat, pos, 31) + 257, hcLen = bits(dat, pos + 10, 15) + 4; + var tl = hLit + bits(dat, pos + 5, 31) + 1; + pos += 14; + // length+distance tree + var ldt = new u8(tl); + // code length tree + var clt = new u8(19); + for (var i = 0; i < hcLen; ++i) { + // use index map to get real code + clt[clim[i]] = bits(dat, pos + i * 3, 7); + } + pos += hcLen * 3; + // code lengths bits + var clb = max(clt), clbmsk = (1 << clb) - 1; + // code lengths map + var clm = hMap(clt, clb, 1); + for (var i = 0; i < tl;) { + var r = clm[bits(dat, pos, clbmsk)]; + // bits read + pos += r & 15; + // symbol + var s = r >> 4; + // code length to copy + if (s < 16) { + ldt[i++] = s; + } + else { + // copy count + var c = 0, n = 0; + if (s == 16) + n = 3 + bits(dat, pos, 3), pos += 2, c = ldt[i - 1]; + else if (s == 17) + n = 3 + bits(dat, pos, 7), pos += 3; + else if (s == 18) + n = 11 + bits(dat, pos, 127), pos += 7; + while (n--) + ldt[i++] = c; + } + } + // length tree distance tree + var lt = ldt.subarray(0, hLit), dt = ldt.subarray(hLit); + // max length bits + lbt = max(lt); + // max dist bits + dbt = max(dt); + lm = hMap(lt, lbt, 1); + dm = hMap(dt, dbt, 1); + } + else + err(1); + if (pos > tbts) { + if (noSt) + err(0); + break; + } + } + // Make sure the buffer can hold this + the largest possible addition + // Maximum chunk size (practically, theoretically infinite) is 2^17 + if (resize) + cbuf(bt + 131072); + var lms = (1 << lbt) - 1, dms = (1 << dbt) - 1; + var lpos = pos; + for (;; lpos = pos) { + // bits read, code + var c = lm[bits16(dat, pos) & lms], sym = c >> 4; + pos += c & 15; + if (pos > tbts) { + if (noSt) + err(0); + break; + } + if (!c) + err(2); + if (sym < 256) + buf[bt++] = sym; + else if (sym == 256) { + lpos = pos, lm = null; + break; + } + else { + var add = sym - 254; + // no extra bits needed if less + if (sym > 264) { + // index + var i = sym - 257, b = fleb[i]; + add = bits(dat, pos, (1 << b) - 1) + fl[i]; + pos += b; + } + // dist + var d = dm[bits16(dat, pos) & dms], dsym = d >> 4; + if (!d) + err(3); + pos += d & 15; + var dt = fd[dsym]; + if (dsym > 3) { + var b = fdeb[dsym]; + dt += bits16(dat, pos) & (1 << b) - 1, pos += b; + } + if (pos > tbts) { + if (noSt) + err(0); + break; + } + if (resize) + cbuf(bt + 131072); + var end = bt + add; + if (bt < dt) { + var shift = dl - dt, dend = Math.min(dt, end); + if (shift + bt < 0) + err(3); + for (; bt < dend; ++bt) + buf[bt] = dict[shift + bt]; + } + for (; bt < end; ++bt) + buf[bt] = buf[bt - dt]; + } + } + st.l = lm, st.p = lpos, st.b = bt, st.f = final; + if (lm) + final = 1, st.m = lbt, st.d = dm, st.n = dbt; + } while (!final); + // don't reallocate for streams or user buffers + return bt != buf.length && noBuf ? slc(buf, 0, bt) : buf.subarray(0, bt); +}; +// starting at p, write the minimum number of bits that can hold v to d +var wbits = function (d, p, v) { + v <<= p & 7; + var o = (p / 8) | 0; + d[o] |= v; + d[o + 1] |= v >> 8; +}; +// starting at p, write the minimum number of bits (>8) that can hold v to d +var wbits16 = function (d, p, v) { + v <<= p & 7; + var o = (p / 8) | 0; + d[o] |= v; + d[o + 1] |= v >> 8; + d[o + 2] |= v >> 16; +}; +// creates code lengths from a frequency table +var hTree = function (d, mb) { + // Need extra info to make a tree + var t = []; + for (var i = 0; i < d.length; ++i) { + if (d[i]) + t.push({ s: i, f: d[i] }); + } + var s = t.length; + var t2 = t.slice(); + if (!s) + return { t: et, l: 0 }; + if (s == 1) { + var v = new u8(t[0].s + 1); + v[t[0].s] = 1; + return { t: v, l: 1 }; + } + t.sort(function (a, b) { return a.f - b.f; }); + // after i2 reaches last ind, will be stopped + // freq must be greater than largest possible number of symbols + t.push({ s: -1, f: 25001 }); + var l = t[0], r = t[1], i0 = 0, i1 = 1, i2 = 2; + t[0] = { s: -1, f: l.f + r.f, l: l, r: r }; + // efficient algorithm from UZIP.js + // i0 is lookbehind, i2 is lookahead - after processing two low-freq + // symbols that combined have high freq, will start processing i2 (high-freq, + // non-composite) symbols instead + // see https://reddit.com/r/photopea/comments/ikekht/uzipjs_questions/ + while (i1 != s - 1) { + l = t[t[i0].f < t[i2].f ? i0++ : i2++]; + r = t[i0 != i1 && t[i0].f < t[i2].f ? i0++ : i2++]; + t[i1++] = { s: -1, f: l.f + r.f, l: l, r: r }; + } + var maxSym = t2[0].s; + for (var i = 1; i < s; ++i) { + if (t2[i].s > maxSym) + maxSym = t2[i].s; + } + // code lengths + var tr = new u16(maxSym + 1); + // max bits in tree + var mbt = ln(t[i1 - 1], tr, 0); + if (mbt > mb) { + // more algorithms from UZIP.js + // TODO: find out how this code works (debt) + // ind debt + var i = 0, dt = 0; + // left cost + var lft = mbt - mb, cst = 1 << lft; + t2.sort(function (a, b) { return tr[b.s] - tr[a.s] || a.f - b.f; }); + for (; i < s; ++i) { + var i2_1 = t2[i].s; + if (tr[i2_1] > mb) { + dt += cst - (1 << (mbt - tr[i2_1])); + tr[i2_1] = mb; + } + else + break; + } + dt >>= lft; + while (dt > 0) { + var i2_2 = t2[i].s; + if (tr[i2_2] < mb) + dt -= 1 << (mb - tr[i2_2]++ - 1); + else + ++i; + } + for (; i >= 0 && dt; --i) { + var i2_3 = t2[i].s; + if (tr[i2_3] == mb) { + --tr[i2_3]; + ++dt; + } + } + mbt = mb; + } + return { t: new u8(tr), l: mbt }; +}; +// get the max length and assign length codes +var ln = function (n, l, d) { + return n.s == -1 + ? Math.max(ln(n.l, l, d + 1), ln(n.r, l, d + 1)) + : (l[n.s] = d); +}; +// length codes generation +var lc = function (c) { + var s = c.length; + // Note that the semicolon was intentional + while (s && !c[--s]) + ; + var cl = new u16(++s); + // ind num streak + var cli = 0, cln = c[0], cls = 1; + var w = function (v) { cl[cli++] = v; }; + for (var i = 1; i <= s; ++i) { + if (c[i] == cln && i != s) + ++cls; + else { + if (!cln && cls > 2) { + for (; cls > 138; cls -= 138) + w(32754); + if (cls > 2) { + w(cls > 10 ? ((cls - 11) << 5) | 28690 : ((cls - 3) << 5) | 12305); + cls = 0; + } + } + else if (cls > 3) { + w(cln), --cls; + for (; cls > 6; cls -= 6) + w(8304); + if (cls > 2) + w(((cls - 3) << 5) | 8208), cls = 0; + } + while (cls--) + w(cln); + cls = 1; + cln = c[i]; + } + } + return { c: cl.subarray(0, cli), n: s }; +}; +// calculate the length of output from tree, code lengths +var clen = function (cf, cl) { + var l = 0; + for (var i = 0; i < cl.length; ++i) + l += cf[i] * cl[i]; + return l; +}; +// writes a fixed block +// returns the new bit pos +var wfblk = function (out, pos, dat) { + // no need to write 00 as type: TypedArray defaults to 0 + var s = dat.length; + var o = shft(pos + 2); + out[o] = s & 255; + out[o + 1] = s >> 8; + out[o + 2] = out[o] ^ 255; + out[o + 3] = out[o + 1] ^ 255; + for (var i = 0; i < s; ++i) + out[o + i + 4] = dat[i]; + return (o + 4 + s) * 8; +}; +// writes a block +var wblk = function (dat, out, final, syms, lf, df, eb, li, bs, bl, p) { + wbits(out, p++, final); + ++lf[256]; + var _a = hTree(lf, 15), dlt = _a.t, mlb = _a.l; + var _b = hTree(df, 15), ddt = _b.t, mdb = _b.l; + var _c = lc(dlt), lclt = _c.c, nlc = _c.n; + var _d = lc(ddt), lcdt = _d.c, ndc = _d.n; + var lcfreq = new u16(19); + for (var i = 0; i < lclt.length; ++i) + ++lcfreq[lclt[i] & 31]; + for (var i = 0; i < lcdt.length; ++i) + ++lcfreq[lcdt[i] & 31]; + var _e = hTree(lcfreq, 7), lct = _e.t, mlcb = _e.l; + var nlcc = 19; + for (; nlcc > 4 && !lct[clim[nlcc - 1]]; --nlcc) + ; + var flen = (bl + 5) << 3; + var ftlen = clen(lf, flt) + clen(df, fdt) + eb; + var dtlen = clen(lf, dlt) + clen(df, ddt) + eb + 14 + 3 * nlcc + clen(lcfreq, lct) + 2 * lcfreq[16] + 3 * lcfreq[17] + 7 * lcfreq[18]; + if (bs >= 0 && flen <= ftlen && flen <= dtlen) + return wfblk(out, p, dat.subarray(bs, bs + bl)); + var lm, ll, dm, dl; + wbits(out, p, 1 + (dtlen < ftlen)), p += 2; + if (dtlen < ftlen) { + lm = hMap(dlt, mlb, 0), ll = dlt, dm = hMap(ddt, mdb, 0), dl = ddt; + var llm = hMap(lct, mlcb, 0); + wbits(out, p, nlc - 257); + wbits(out, p + 5, ndc - 1); + wbits(out, p + 10, nlcc - 4); + p += 14; + for (var i = 0; i < nlcc; ++i) + wbits(out, p + 3 * i, lct[clim[i]]); + p += 3 * nlcc; + var lcts = [lclt, lcdt]; + for (var it = 0; it < 2; ++it) { + var clct = lcts[it]; + for (var i = 0; i < clct.length; ++i) { + var len = clct[i] & 31; + wbits(out, p, llm[len]), p += lct[len]; + if (len > 15) + wbits(out, p, (clct[i] >> 5) & 127), p += clct[i] >> 12; + } + } + } + else { + lm = flm, ll = flt, dm = fdm, dl = fdt; + } + for (var i = 0; i < li; ++i) { + var sym = syms[i]; + if (sym > 255) { + var len = (sym >> 18) & 31; + wbits16(out, p, lm[len + 257]), p += ll[len + 257]; + if (len > 7) + wbits(out, p, (sym >> 23) & 31), p += fleb[len]; + var dst = sym & 31; + wbits16(out, p, dm[dst]), p += dl[dst]; + if (dst > 3) + wbits16(out, p, (sym >> 5) & 8191), p += fdeb[dst]; + } + else { + wbits16(out, p, lm[sym]), p += ll[sym]; + } + } + wbits16(out, p, lm[256]); + return p + ll[256]; +}; +// deflate options (nice << 13) | chain +var deo = /*#__PURE__*/ new i32([65540, 131080, 131088, 131104, 262176, 1048704, 1048832, 2114560, 2117632]); +// empty +var et = /*#__PURE__*/ new u8(0); +// compresses data into a raw DEFLATE buffer +var dflt = function (dat, lvl, plvl, pre, post, st) { + var s = st.z || dat.length; + var o = new u8(pre + s + 5 * (1 + Math.ceil(s / 7000)) + post); + // writing to this writes to the output buffer + var w = o.subarray(pre, o.length - post); + var lst = st.l; + var pos = (st.r || 0) & 7; + if (lvl) { + if (pos) + w[0] = st.r >> 3; + var opt = deo[lvl - 1]; + var n = opt >> 13, c = opt & 8191; + var msk_1 = (1 << plvl) - 1; + // prev 2-byte val map curr 2-byte val map + var prev = st.p || new u16(32768), head = st.h || new u16(msk_1 + 1); + var bs1_1 = Math.ceil(plvl / 3), bs2_1 = 2 * bs1_1; + var hsh = function (i) { return (dat[i] ^ (dat[i + 1] << bs1_1) ^ (dat[i + 2] << bs2_1)) & msk_1; }; + // 24576 is an arbitrary number of maximum symbols per block + // 424 buffer for last block + var syms = new i32(25000); + // length/literal freq distance freq + var lf = new u16(288), df = new u16(32); + // l/lcnt exbits index l/lind waitdx blkpos + var lc_1 = 0, eb = 0, i = st.i || 0, li = 0, wi = st.w || 0, bs = 0; + for (; i + 2 < s; ++i) { + // hash value + var hv = hsh(i); + // index mod 32768 previous index mod + var imod = i & 32767, pimod = head[hv]; + prev[imod] = pimod; + head[hv] = imod; + // We always should modify head and prev, but only add symbols if + // this data is not yet processed ("wait" for wait index) + if (wi <= i) { + // bytes remaining + var rem = s - i; + if ((lc_1 > 7000 || li > 24576) && (rem > 423 || !lst)) { + pos = wblk(dat, w, 0, syms, lf, df, eb, li, bs, i - bs, pos); + li = lc_1 = eb = 0, bs = i; + for (var j = 0; j < 286; ++j) + lf[j] = 0; + for (var j = 0; j < 30; ++j) + df[j] = 0; + } + // len dist chain + var l = 2, d = 0, ch_1 = c, dif = imod - pimod & 32767; + if (rem > 2 && hv == hsh(i - dif)) { + var maxn = Math.min(n, rem) - 1; + var maxd = Math.min(32767, i); + // max possible length + // not capped at dif because decompressors implement "rolling" index population + var ml = Math.min(258, rem); + while (dif <= maxd && --ch_1 && imod != pimod) { + if (dat[i + l] == dat[i + l - dif]) { + var nl = 0; + for (; nl < ml && dat[i + nl] == dat[i + nl - dif]; ++nl) + ; + if (nl > l) { + l = nl, d = dif; + // break out early when we reach "nice" (we are satisfied enough) + if (nl > maxn) + break; + // now, find the rarest 2-byte sequence within this + // length of literals and search for that instead. + // Much faster than just using the start + var mmd = Math.min(dif, nl - 2); + var md = 0; + for (var j = 0; j < mmd; ++j) { + var ti = i - dif + j & 32767; + var pti = prev[ti]; + var cd = ti - pti & 32767; + if (cd > md) + md = cd, pimod = ti; + } + } + } + // check the previous match + imod = pimod, pimod = prev[imod]; + dif += imod - pimod & 32767; + } + } + // d will be nonzero only when a match was found + if (d) { + // store both dist and len data in one int32 + // Make sure this is recognized as a len/dist with 28th bit (2^28) + syms[li++] = 268435456 | (revfl[l] << 18) | revfd[d]; + var lin = revfl[l] & 31, din = revfd[d] & 31; + eb += fleb[lin] + fdeb[din]; + ++lf[257 + lin]; + ++df[din]; + wi = i + l; + ++lc_1; + } + else { + syms[li++] = dat[i]; + ++lf[dat[i]]; + } + } + } + for (i = Math.max(i, wi); i < s; ++i) { + syms[li++] = dat[i]; + ++lf[dat[i]]; + } + pos = wblk(dat, w, lst, syms, lf, df, eb, li, bs, i - bs, pos); + if (!lst) { + st.r = (pos & 7) | w[(pos / 8) | 0] << 3; + // shft(pos) now 1 less if pos & 7 != 0 + pos -= 7; + st.h = head, st.p = prev, st.i = i, st.w = wi; + } + } + else { + for (var i = st.w || 0; i < s + lst; i += 65535) { + // end + var e = i + 65535; + if (e >= s) { + // write final block + w[(pos / 8) | 0] = lst; + e = s; + } + pos = wfblk(w, pos + 1, dat.subarray(i, e)); + } + st.i = s; + } + return slc(o, 0, pre + shft(pos) + post); +}; +// CRC32 table +var crct = /*#__PURE__*/ (function () { + var t = new Int32Array(256); + for (var i = 0; i < 256; ++i) { + var c = i, k = 9; + while (--k) + c = ((c & 1) && -306674912) ^ (c >>> 1); + t[i] = c; + } + return t; +})(); +// CRC32 +var crc = function () { + var c = -1; + return { + p: function (d) { + // closures have awful performance + var cr = c; + for (var i = 0; i < d.length; ++i) + cr = crct[(cr & 255) ^ d[i]] ^ (cr >>> 8); + c = cr; + }, + d: function () { return ~c; } + }; +}; +// Adler32 +var adler = function () { + var a = 1, b = 0; + return { + p: function (d) { + // closures have awful performance + var n = a, m = b; + var l = d.length | 0; + for (var i = 0; i != l;) { + var e = Math.min(i + 2655, l); + for (; i < e; ++i) + m += n += d[i]; + n = (n & 65535) + 15 * (n >> 16), m = (m & 65535) + 15 * (m >> 16); + } + a = n, b = m; + }, + d: function () { + a %= 65521, b %= 65521; + return (a & 255) << 24 | (a & 0xFF00) << 8 | (b & 255) << 8 | (b >> 8); + } + }; +}; +; +// deflate with opts +var dopt = function (dat, opt, pre, post, st) { + if (!st) { + st = { l: 1 }; + if (opt.dictionary) { + var dict = opt.dictionary.subarray(-32768); + var newDat = new u8(dict.length + dat.length); + newDat.set(dict); + newDat.set(dat, dict.length); + dat = newDat; + st.w = dict.length; + } + } + return dflt(dat, opt.level == null ? 6 : opt.level, opt.mem == null ? (st.l ? Math.ceil(Math.max(8, Math.min(13, Math.log(dat.length))) * 1.5) : 20) : (12 + opt.mem), pre, post, st); +}; +// Walmart object spread +var mrg = function (a, b) { + var o = {}; + for (var k in a) + o[k] = a[k]; + for (var k in b) + o[k] = b[k]; + return o; +}; +// worker clone +// This is possibly the craziest part of the entire codebase, despite how simple it may seem. +// The only parameter to this function is a closure that returns an array of variables outside of the function scope. +// We're going to try to figure out the variable names used in the closure as strings because that is crucial for workerization. +// We will return an object mapping of true variable name to value (basically, the current scope as a JS object). +// The reason we can't just use the original variable names is minifiers mangling the toplevel scope. +// This took me three weeks to figure out how to do. +var wcln = function (fn, fnStr, td) { + var dt = fn(); + var st = fn.toString(); + var ks = st.slice(st.indexOf('[') + 1, st.lastIndexOf(']')).replace(/\s+/g, '').split(','); + for (var i = 0; i < dt.length; ++i) { + var v = dt[i], k = ks[i]; + if (typeof v == 'function') { + fnStr += ';' + k + '='; + var st_1 = v.toString(); + if (v.prototype) { + // for global objects + if (st_1.indexOf('[native code]') != -1) { + var spInd = st_1.indexOf(' ', 8) + 1; + fnStr += st_1.slice(spInd, st_1.indexOf('(', spInd)); + } + else { + fnStr += st_1; + for (var t in v.prototype) + fnStr += ';' + k + '.prototype.' + t + '=' + v.prototype[t].toString(); + } + } + else + fnStr += st_1; + } + else + td[k] = v; + } + return fnStr; +}; +var ch = []; +// clone bufs +var cbfs = function (v) { + var tl = []; + for (var k in v) { + if (v[k].buffer) { + tl.push((v[k] = new v[k].constructor(v[k])).buffer); + } + } + return tl; +}; +// use a worker to execute code +var wrkr = function (fns, init, id, cb) { + if (!ch[id]) { + var fnStr = '', td_1 = {}, m = fns.length - 1; + for (var i = 0; i < m; ++i) + fnStr = wcln(fns[i], fnStr, td_1); + ch[id] = { c: wcln(fns[m], fnStr, td_1), e: td_1 }; + } + var td = mrg({}, ch[id].e); + return wk(ch[id].c + ';onmessage=function(e){for(var k in e.data)self[k]=e.data[k];onmessage=' + init.toString() + '}', id, td, cbfs(td), cb); +}; +// base async inflate fn +var bInflt = function () { return [u8, u16, i32, fleb, fdeb, clim, fl, fd, flrm, fdrm, rev, ec, hMap, max, bits, bits16, shft, slc, err, inflt, inflateSync, pbf, gopt]; }; +var bDflt = function () { return [u8, u16, i32, fleb, fdeb, clim, revfl, revfd, flm, flt, fdm, fdt, rev, deo, et, hMap, wbits, wbits16, hTree, ln, lc, clen, wfblk, wblk, shft, slc, dflt, dopt, deflateSync, pbf]; }; +// gzip extra +var gze = function () { return [gzh, gzhl, wbytes, crc, crct]; }; +// gunzip extra +var guze = function () { return [gzs, gzl]; }; +// zlib extra +var zle = function () { return [zlh, wbytes, adler]; }; +// unzlib extra +var zule = function () { return [zls]; }; +// post buf +var pbf = function (msg) { return postMessage(msg, [msg.buffer]); }; +// get opts +var gopt = function (o) { return o && { + out: o.size && new u8(o.size), + dictionary: o.dictionary +}; }; +// async helper +var cbify = function (dat, opts, fns, init, id, cb) { + var w = wrkr(fns, init, id, function (err, dat) { + w.terminate(); + cb(err, dat); + }); + w.postMessage([dat, opts], opts.consume ? [dat.buffer] : []); + return function () { w.terminate(); }; +}; +// auto stream +var astrm = function (strm) { + strm.ondata = function (dat, final) { return postMessage([dat, final], [dat.buffer]); }; + return function (ev) { + if (ev.data.length) { + strm.push(ev.data[0], ev.data[1]); + postMessage([ev.data[0].length]); + } + else + strm.flush(); + }; +}; +// async stream attach +var astrmify = function (fns, strm, opts, init, id, flush, ext) { + var t; + var w = wrkr(fns, init, id, function (err, dat) { + if (err) + w.terminate(), strm.ondata.call(strm, err); + else if (!Array.isArray(dat)) + ext(dat); + else if (dat.length == 1) { + strm.queuedSize -= dat[0]; + if (strm.ondrain) + strm.ondrain(dat[0]); + } + else { + if (dat[1]) + w.terminate(); + strm.ondata.call(strm, err, dat[0], dat[1]); + } + }); + w.postMessage(opts); + strm.queuedSize = 0; + strm.push = function (d, f) { + if (!strm.ondata) + err(5); + if (t) + strm.ondata(err(4, 0, 1), null, !!f); + strm.queuedSize += d.length; + w.postMessage([d, t = f], [d.buffer]); + }; + strm.terminate = function () { w.terminate(); }; + if (flush) { + strm.flush = function () { w.postMessage([]); }; + } +}; +// read 2 bytes +var b2 = function (d, b) { return d[b] | (d[b + 1] << 8); }; +// read 4 bytes +var b4 = function (d, b) { return (d[b] | (d[b + 1] << 8) | (d[b + 2] << 16) | (d[b + 3] << 24)) >>> 0; }; +var b8 = function (d, b) { return b4(d, b) + (b4(d, b + 4) * 4294967296); }; +// write bytes +var wbytes = function (d, b, v) { + for (; v; ++b) + d[b] = v, v >>>= 8; +}; +// gzip header +var gzh = function (c, o) { + var fn = o.filename; + c[0] = 31, c[1] = 139, c[2] = 8, c[8] = o.level < 2 ? 4 : o.level == 9 ? 2 : 0, c[9] = 3; // assume Unix + if (o.mtime != 0) + wbytes(c, 4, Math.floor(new Date(o.mtime || Date.now()) / 1000)); + if (fn) { + c[3] = 8; + for (var i = 0; i <= fn.length; ++i) + c[i + 10] = fn.charCodeAt(i); + } +}; +// gzip footer: -8 to -4 = CRC, -4 to -0 is length +// gzip start +var gzs = function (d) { + if (d[0] != 31 || d[1] != 139 || d[2] != 8) + err(6, 'invalid gzip data'); + var flg = d[3]; + var st = 10; + if (flg & 4) + st += (d[10] | d[11] << 8) + 2; + for (var zs = (flg >> 3 & 1) + (flg >> 4 & 1); zs > 0; zs -= !d[st++]) + ; + return st + (flg & 2); +}; +// gzip length +var gzl = function (d) { + var l = d.length; + return (d[l - 4] | d[l - 3] << 8 | d[l - 2] << 16 | d[l - 1] << 24) >>> 0; +}; +// gzip header length +var gzhl = function (o) { return 10 + (o.filename ? o.filename.length + 1 : 0); }; +// zlib header +var zlh = function (c, o) { + var lv = o.level, fl = lv == 0 ? 0 : lv < 6 ? 1 : lv == 9 ? 3 : 2; + c[0] = 120, c[1] = (fl << 6) | (o.dictionary && 32); + c[1] |= 31 - ((c[0] << 8) | c[1]) % 31; + if (o.dictionary) { + var h = adler(); + h.p(o.dictionary); + wbytes(c, 2, h.d()); + } +}; +// zlib start +var zls = function (d, dict) { + if ((d[0] & 15) != 8 || (d[0] >> 4) > 7 || ((d[0] << 8 | d[1]) % 31)) + err(6, 'invalid zlib data'); + if ((d[1] >> 5 & 1) == +!dict) + err(6, 'invalid zlib data: ' + (d[1] & 32 ? 'need' : 'unexpected') + ' dictionary'); + return (d[1] >> 3 & 4) + 2; +}; +function StrmOpt(opts, cb) { + if (typeof opts == 'function') + cb = opts, opts = {}; + this.ondata = cb; + return opts; +} +/** + * Streaming DEFLATE compression + */ +var Deflate = /*#__PURE__*/ (function () { + function Deflate(opts, cb) { + if (typeof opts == 'function') + cb = opts, opts = {}; + this.ondata = cb; + this.o = opts || {}; + this.s = { l: 0, i: 32768, w: 32768, z: 32768 }; + // Buffer length must always be 0 mod 32768 for index calculations to be correct when modifying head and prev + // 98304 = 32768 (lookback) + 65536 (common chunk size) + this.b = new u8(98304); + if (this.o.dictionary) { + var dict = this.o.dictionary.subarray(-32768); + this.b.set(dict, 32768 - dict.length); + this.s.i = 32768 - dict.length; + } + } + Deflate.prototype.p = function (c, f) { + this.ondata(dopt(c, this.o, 0, 0, this.s), f); + }; + /** + * Pushes a chunk to be deflated + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + Deflate.prototype.push = function (chunk, final) { + if (!this.ondata) + err(5); + if (this.s.l) + err(4); + var endLen = chunk.length + this.s.z; + if (endLen > this.b.length) { + if (endLen > 2 * this.b.length - 32768) { + var newBuf = new u8(endLen & -32768); + newBuf.set(this.b.subarray(0, this.s.z)); + this.b = newBuf; + } + var split = this.b.length - this.s.z; + this.b.set(chunk.subarray(0, split), this.s.z); + this.s.z = this.b.length; + this.p(this.b, false); + this.b.set(this.b.subarray(-32768)); + this.b.set(chunk.subarray(split), 32768); + this.s.z = chunk.length - split + 32768; + this.s.i = 32766, this.s.w = 32768; + } + else { + this.b.set(chunk, this.s.z); + this.s.z += chunk.length; + } + this.s.l = final & 1; + if (this.s.z > this.s.w + 8191 || final) { + this.p(this.b, final || false); + this.s.w = this.s.i, this.s.i -= 2; + } + }; + /** + * Flushes buffered uncompressed data. Useful to immediately retrieve the + * deflated output for small inputs. + */ + Deflate.prototype.flush = function () { + if (!this.ondata) + err(5); + if (this.s.l) + err(4); + this.p(this.b, false); + this.s.w = this.s.i, this.s.i -= 2; + }; + return Deflate; +}()); +export { Deflate }; +/** + * Asynchronous streaming DEFLATE compression + */ +var AsyncDeflate = /*#__PURE__*/ (function () { + function AsyncDeflate(opts, cb) { + astrmify([ + bDflt, + function () { return [astrm, Deflate]; } + ], this, StrmOpt.call(this, opts, cb), function (ev) { + var strm = new Deflate(ev.data); + onmessage = astrm(strm); + }, 6, 1); + } + return AsyncDeflate; +}()); +export { AsyncDeflate }; +export function deflate(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + return cbify(data, opts, [ + bDflt, + ], function (ev) { return pbf(deflateSync(ev.data[0], ev.data[1])); }, 0, cb); +} +/** + * Compresses data with DEFLATE without any wrapper + * @param data The data to compress + * @param opts The compression options + * @returns The deflated version of the data + */ +export function deflateSync(data, opts) { + return dopt(data, opts || {}, 0, 0); +} +/** + * Streaming DEFLATE decompression + */ +var Inflate = /*#__PURE__*/ (function () { + function Inflate(opts, cb) { + // no StrmOpt here to avoid adding to workerizer + if (typeof opts == 'function') + cb = opts, opts = {}; + this.ondata = cb; + var dict = opts && opts.dictionary && opts.dictionary.subarray(-32768); + this.s = { i: 0, b: dict ? dict.length : 0 }; + this.o = new u8(32768); + this.p = new u8(0); + if (dict) + this.o.set(dict); + } + Inflate.prototype.e = function (c) { + if (!this.ondata) + err(5); + if (this.d) + err(4); + if (!this.p.length) + this.p = c; + else if (c.length) { + var n = new u8(this.p.length + c.length); + n.set(this.p), n.set(c, this.p.length), this.p = n; + } + }; + Inflate.prototype.c = function (final) { + this.s.i = +(this.d = final || false); + var bts = this.s.b; + var dt = inflt(this.p, this.s, this.o); + this.ondata(slc(dt, bts, this.s.b), this.d); + this.o = slc(dt, this.s.b - 32768), this.s.b = this.o.length; + this.p = slc(this.p, (this.s.p / 8) | 0), this.s.p &= 7; + }; + /** + * Pushes a chunk to be inflated + * @param chunk The chunk to push + * @param final Whether this is the final chunk + */ + Inflate.prototype.push = function (chunk, final) { + this.e(chunk), this.c(final); + }; + return Inflate; +}()); +export { Inflate }; +/** + * Asynchronous streaming DEFLATE decompression + */ +var AsyncInflate = /*#__PURE__*/ (function () { + function AsyncInflate(opts, cb) { + astrmify([ + bInflt, + function () { return [astrm, Inflate]; } + ], this, StrmOpt.call(this, opts, cb), function (ev) { + var strm = new Inflate(ev.data); + onmessage = astrm(strm); + }, 7, 0); + } + return AsyncInflate; +}()); +export { AsyncInflate }; +export function inflate(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + return cbify(data, opts, [ + bInflt + ], function (ev) { return pbf(inflateSync(ev.data[0], gopt(ev.data[1]))); }, 1, cb); +} +/** + * Expands DEFLATE data with no wrapper + * @param data The data to decompress + * @param opts The decompression options + * @returns The decompressed version of the data + */ +export function inflateSync(data, opts) { + return inflt(data, { i: 2 }, opts && opts.out, opts && opts.dictionary); +} +// before you yell at me for not just using extends, my reason is that TS inheritance is hard to workerize. +/** + * Streaming GZIP compression + */ +var Gzip = /*#__PURE__*/ (function () { + function Gzip(opts, cb) { + this.c = crc(); + this.l = 0; + this.v = 1; + Deflate.call(this, opts, cb); + } + /** + * Pushes a chunk to be GZIPped + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + Gzip.prototype.push = function (chunk, final) { + this.c.p(chunk); + this.l += chunk.length; + Deflate.prototype.push.call(this, chunk, final); + }; + Gzip.prototype.p = function (c, f) { + var raw = dopt(c, this.o, this.v && gzhl(this.o), f && 8, this.s); + if (this.v) + gzh(raw, this.o), this.v = 0; + if (f) + wbytes(raw, raw.length - 8, this.c.d()), wbytes(raw, raw.length - 4, this.l); + this.ondata(raw, f); + }; + /** + * Flushes buffered uncompressed data. Useful to immediately retrieve the + * GZIPped output for small inputs. + */ + Gzip.prototype.flush = function () { + Deflate.prototype.flush.call(this); + }; + return Gzip; +}()); +export { Gzip }; +/** + * Asynchronous streaming GZIP compression + */ +var AsyncGzip = /*#__PURE__*/ (function () { + function AsyncGzip(opts, cb) { + astrmify([ + bDflt, + gze, + function () { return [astrm, Deflate, Gzip]; } + ], this, StrmOpt.call(this, opts, cb), function (ev) { + var strm = new Gzip(ev.data); + onmessage = astrm(strm); + }, 8, 1); + } + return AsyncGzip; +}()); +export { AsyncGzip }; +export function gzip(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + return cbify(data, opts, [ + bDflt, + gze, + function () { return [gzipSync]; } + ], function (ev) { return pbf(gzipSync(ev.data[0], ev.data[1])); }, 2, cb); +} +/** + * Compresses data with GZIP + * @param data The data to compress + * @param opts The compression options + * @returns The gzipped version of the data + */ +export function gzipSync(data, opts) { + if (!opts) + opts = {}; + var c = crc(), l = data.length; + c.p(data); + var d = dopt(data, opts, gzhl(opts), 8), s = d.length; + return gzh(d, opts), wbytes(d, s - 8, c.d()), wbytes(d, s - 4, l), d; +} +/** + * Streaming single or multi-member GZIP decompression + */ +var Gunzip = /*#__PURE__*/ (function () { + function Gunzip(opts, cb) { + this.v = 1; + this.r = 0; + Inflate.call(this, opts, cb); + } + /** + * Pushes a chunk to be GUNZIPped + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + Gunzip.prototype.push = function (chunk, final) { + Inflate.prototype.e.call(this, chunk); + this.r += chunk.length; + if (this.v) { + var p = this.p.subarray(this.v - 1); + var s = p.length > 3 ? gzs(p) : 4; + if (s > p.length) { + if (!final) + return; + } + else if (this.v > 1 && this.onmember) { + this.onmember(this.r - p.length); + } + this.p = p.subarray(s), this.v = 0; + } + // necessary to prevent TS from using the closure value + // This allows for workerization to function correctly + Inflate.prototype.c.call(this, final); + // process concatenated GZIP + if (this.s.f && !this.s.l && !final) { + this.v = shft(this.s.p) + 9; + this.s = { i: 0 }; + this.o = new u8(0); + this.push(new u8(0), final); + } + }; + return Gunzip; +}()); +export { Gunzip }; +/** + * Asynchronous streaming single or multi-member GZIP decompression + */ +var AsyncGunzip = /*#__PURE__*/ (function () { + function AsyncGunzip(opts, cb) { + var _this = this; + astrmify([ + bInflt, + guze, + function () { return [astrm, Inflate, Gunzip]; } + ], this, StrmOpt.call(this, opts, cb), function (ev) { + var strm = new Gunzip(ev.data); + strm.onmember = function (offset) { return postMessage(offset); }; + onmessage = astrm(strm); + }, 9, 0, function (offset) { return _this.onmember && _this.onmember(offset); }); + } + return AsyncGunzip; +}()); +export { AsyncGunzip }; +export function gunzip(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + return cbify(data, opts, [ + bInflt, + guze, + function () { return [gunzipSync]; } + ], function (ev) { return pbf(gunzipSync(ev.data[0], ev.data[1])); }, 3, cb); +} +/** + * Expands GZIP data + * @param data The data to decompress + * @param opts The decompression options + * @returns The decompressed version of the data + */ +export function gunzipSync(data, opts) { + var st = gzs(data); + if (st + 8 > data.length) + err(6, 'invalid gzip data'); + return inflt(data.subarray(st, -8), { i: 2 }, opts && opts.out || new u8(gzl(data)), opts && opts.dictionary); +} +/** + * Streaming Zlib compression + */ +var Zlib = /*#__PURE__*/ (function () { + function Zlib(opts, cb) { + this.c = adler(); + this.v = 1; + Deflate.call(this, opts, cb); + } + /** + * Pushes a chunk to be zlibbed + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + Zlib.prototype.push = function (chunk, final) { + this.c.p(chunk); + Deflate.prototype.push.call(this, chunk, final); + }; + Zlib.prototype.p = function (c, f) { + var raw = dopt(c, this.o, this.v && (this.o.dictionary ? 6 : 2), f && 4, this.s); + if (this.v) + zlh(raw, this.o), this.v = 0; + if (f) + wbytes(raw, raw.length - 4, this.c.d()); + this.ondata(raw, f); + }; + /** + * Flushes buffered uncompressed data. Useful to immediately retrieve the + * zlibbed output for small inputs. + */ + Zlib.prototype.flush = function () { + Deflate.prototype.flush.call(this); + }; + return Zlib; +}()); +export { Zlib }; +/** + * Asynchronous streaming Zlib compression + */ +var AsyncZlib = /*#__PURE__*/ (function () { + function AsyncZlib(opts, cb) { + astrmify([ + bDflt, + zle, + function () { return [astrm, Deflate, Zlib]; } + ], this, StrmOpt.call(this, opts, cb), function (ev) { + var strm = new Zlib(ev.data); + onmessage = astrm(strm); + }, 10, 1); + } + return AsyncZlib; +}()); +export { AsyncZlib }; +export function zlib(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + return cbify(data, opts, [ + bDflt, + zle, + function () { return [zlibSync]; } + ], function (ev) { return pbf(zlibSync(ev.data[0], ev.data[1])); }, 4, cb); +} +/** + * Compress data with Zlib + * @param data The data to compress + * @param opts The compression options + * @returns The zlib-compressed version of the data + */ +export function zlibSync(data, opts) { + if (!opts) + opts = {}; + var a = adler(); + a.p(data); + var d = dopt(data, opts, opts.dictionary ? 6 : 2, 4); + return zlh(d, opts), wbytes(d, d.length - 4, a.d()), d; +} +/** + * Streaming Zlib decompression + */ +var Unzlib = /*#__PURE__*/ (function () { + function Unzlib(opts, cb) { + Inflate.call(this, opts, cb); + this.v = opts && opts.dictionary ? 2 : 1; + } + /** + * Pushes a chunk to be unzlibbed + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + Unzlib.prototype.push = function (chunk, final) { + Inflate.prototype.e.call(this, chunk); + if (this.v) { + if (this.p.length < 6 && !final) + return; + this.p = this.p.subarray(zls(this.p, this.v - 1)), this.v = 0; + } + if (final) { + if (this.p.length < 4) + err(6, 'invalid zlib data'); + this.p = this.p.subarray(0, -4); + } + // necessary to prevent TS from using the closure value + // This allows for workerization to function correctly + Inflate.prototype.c.call(this, final); + }; + return Unzlib; +}()); +export { Unzlib }; +/** + * Asynchronous streaming Zlib decompression + */ +var AsyncUnzlib = /*#__PURE__*/ (function () { + function AsyncUnzlib(opts, cb) { + astrmify([ + bInflt, + zule, + function () { return [astrm, Inflate, Unzlib]; } + ], this, StrmOpt.call(this, opts, cb), function (ev) { + var strm = new Unzlib(ev.data); + onmessage = astrm(strm); + }, 11, 0); + } + return AsyncUnzlib; +}()); +export { AsyncUnzlib }; +export function unzlib(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + return cbify(data, opts, [ + bInflt, + zule, + function () { return [unzlibSync]; } + ], function (ev) { return pbf(unzlibSync(ev.data[0], gopt(ev.data[1]))); }, 5, cb); +} +/** + * Expands Zlib data + * @param data The data to decompress + * @param opts The decompression options + * @returns The decompressed version of the data + */ +export function unzlibSync(data, opts) { + return inflt(data.subarray(zls(data, opts && opts.dictionary), -4), { i: 2 }, opts && opts.out, opts && opts.dictionary); +} +// Default algorithm for compression (used because having a known output size allows faster decompression) +export { gzip as compress, AsyncGzip as AsyncCompress }; +export { gzipSync as compressSync, Gzip as Compress }; +/** + * Streaming GZIP, Zlib, or raw DEFLATE decompression + */ +var Decompress = /*#__PURE__*/ (function () { + function Decompress(opts, cb) { + this.o = StrmOpt.call(this, opts, cb) || {}; + this.G = Gunzip; + this.I = Inflate; + this.Z = Unzlib; + } + // init substream + // overriden by AsyncDecompress + Decompress.prototype.i = function () { + var _this = this; + this.s.ondata = function (dat, final) { + _this.ondata(dat, final); + }; + }; + /** + * Pushes a chunk to be decompressed + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + Decompress.prototype.push = function (chunk, final) { + if (!this.ondata) + err(5); + if (!this.s) { + if (this.p && this.p.length) { + var n = new u8(this.p.length + chunk.length); + n.set(this.p), n.set(chunk, this.p.length); + } + else + this.p = chunk; + if (this.p.length > 2) { + this.s = (this.p[0] == 31 && this.p[1] == 139 && this.p[2] == 8) + ? new this.G(this.o) + : ((this.p[0] & 15) != 8 || (this.p[0] >> 4) > 7 || ((this.p[0] << 8 | this.p[1]) % 31)) + ? new this.I(this.o) + : new this.Z(this.o); + this.i(); + this.s.push(this.p, final); + this.p = null; + } + } + else + this.s.push(chunk, final); + }; + return Decompress; +}()); +export { Decompress }; +/** + * Asynchronous streaming GZIP, Zlib, or raw DEFLATE decompression + */ +var AsyncDecompress = /*#__PURE__*/ (function () { + function AsyncDecompress(opts, cb) { + Decompress.call(this, opts, cb); + this.queuedSize = 0; + this.G = AsyncGunzip; + this.I = AsyncInflate; + this.Z = AsyncUnzlib; + } + AsyncDecompress.prototype.i = function () { + var _this = this; + this.s.ondata = function (err, dat, final) { + _this.ondata(err, dat, final); + }; + this.s.ondrain = function (size) { + _this.queuedSize -= size; + if (_this.ondrain) + _this.ondrain(size); + }; + }; + /** + * Pushes a chunk to be decompressed + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + AsyncDecompress.prototype.push = function (chunk, final) { + this.queuedSize += chunk.length; + Decompress.prototype.push.call(this, chunk, final); + }; + return AsyncDecompress; +}()); +export { AsyncDecompress }; +export function decompress(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + return (data[0] == 31 && data[1] == 139 && data[2] == 8) + ? gunzip(data, opts, cb) + : ((data[0] & 15) != 8 || (data[0] >> 4) > 7 || ((data[0] << 8 | data[1]) % 31)) + ? inflate(data, opts, cb) + : unzlib(data, opts, cb); +} +/** + * Expands compressed GZIP, Zlib, or raw DEFLATE data, automatically detecting the format + * @param data The data to decompress + * @param opts The decompression options + * @returns The decompressed version of the data + */ +export function decompressSync(data, opts) { + return (data[0] == 31 && data[1] == 139 && data[2] == 8) + ? gunzipSync(data, opts) + : ((data[0] & 15) != 8 || (data[0] >> 4) > 7 || ((data[0] << 8 | data[1]) % 31)) + ? inflateSync(data, opts) + : unzlibSync(data, opts); +} +// flatten a directory structure +var fltn = function (d, p, t, o) { + for (var k in d) { + var val = d[k], n = p + k, op = o; + if (Array.isArray(val)) + op = mrg(o, val[1]), val = val[0]; + if (val instanceof u8) + t[n] = [val, op]; + else { + t[n += '/'] = [new u8(0), op]; + fltn(val, n, t, o); + } + } +}; +// text encoder +var te = typeof TextEncoder != 'undefined' && /*#__PURE__*/ new TextEncoder(); +// text decoder +var td = typeof TextDecoder != 'undefined' && /*#__PURE__*/ new TextDecoder(); +// text decoder stream +var tds = 0; +try { + td.decode(et, { stream: true }); + tds = 1; +} +catch (e) { } +// decode UTF8 +var dutf8 = function (d) { + for (var r = '', i = 0;;) { + var c = d[i++]; + var eb = (c > 127) + (c > 223) + (c > 239); + if (i + eb > d.length) + return { s: r, r: slc(d, i - 1) }; + if (!eb) + r += String.fromCharCode(c); + else if (eb == 3) { + c = ((c & 15) << 18 | (d[i++] & 63) << 12 | (d[i++] & 63) << 6 | (d[i++] & 63)) - 65536, + r += String.fromCharCode(55296 | (c >> 10), 56320 | (c & 1023)); + } + else if (eb & 1) + r += String.fromCharCode((c & 31) << 6 | (d[i++] & 63)); + else + r += String.fromCharCode((c & 15) << 12 | (d[i++] & 63) << 6 | (d[i++] & 63)); + } +}; +/** + * Streaming UTF-8 decoding + */ +var DecodeUTF8 = /*#__PURE__*/ (function () { + /** + * Creates a UTF-8 decoding stream + * @param cb The callback to call whenever data is decoded + */ + function DecodeUTF8(cb) { + this.ondata = cb; + if (tds) + this.t = new TextDecoder(); + else + this.p = et; + } + /** + * Pushes a chunk to be decoded from UTF-8 binary + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + DecodeUTF8.prototype.push = function (chunk, final) { + if (!this.ondata) + err(5); + final = !!final; + if (this.t) { + this.ondata(this.t.decode(chunk, { stream: true }), final); + if (final) { + if (this.t.decode().length) + err(8); + this.t = null; + } + return; + } + if (!this.p) + err(4); + var dat = new u8(this.p.length + chunk.length); + dat.set(this.p); + dat.set(chunk, this.p.length); + var _a = dutf8(dat), s = _a.s, r = _a.r; + if (final) { + if (r.length) + err(8); + this.p = null; + } + else + this.p = r; + this.ondata(s, final); + }; + return DecodeUTF8; +}()); +export { DecodeUTF8 }; +/** + * Streaming UTF-8 encoding + */ +var EncodeUTF8 = /*#__PURE__*/ (function () { + /** + * Creates a UTF-8 decoding stream + * @param cb The callback to call whenever data is encoded + */ + function EncodeUTF8(cb) { + this.ondata = cb; + } + /** + * Pushes a chunk to be encoded to UTF-8 + * @param chunk The string data to push + * @param final Whether this is the last chunk + */ + EncodeUTF8.prototype.push = function (chunk, final) { + if (!this.ondata) + err(5); + if (this.d) + err(4); + this.ondata(strToU8(chunk), this.d = final || false); + }; + return EncodeUTF8; +}()); +export { EncodeUTF8 }; +/** + * Converts a string into a Uint8Array for use with compression/decompression methods + * @param str The string to encode + * @param latin1 Whether or not to interpret the data as Latin-1. This should + * not need to be true unless decoding a binary string. + * @returns The string encoded in UTF-8/Latin-1 binary + */ +export function strToU8(str, latin1) { + if (latin1) { + var ar_1 = new u8(str.length); + for (var i = 0; i < str.length; ++i) + ar_1[i] = str.charCodeAt(i); + return ar_1; + } + if (te) + return te.encode(str); + var l = str.length; + var ar = new u8(str.length + (str.length >> 1)); + var ai = 0; + var w = function (v) { ar[ai++] = v; }; + for (var i = 0; i < l; ++i) { + if (ai + 5 > ar.length) { + var n = new u8(ai + 8 + ((l - i) << 1)); + n.set(ar); + ar = n; + } + var c = str.charCodeAt(i); + if (c < 128 || latin1) + w(c); + else if (c < 2048) + w(192 | (c >> 6)), w(128 | (c & 63)); + else if (c > 55295 && c < 57344) + c = 65536 + (c & 1023 << 10) | (str.charCodeAt(++i) & 1023), + w(240 | (c >> 18)), w(128 | ((c >> 12) & 63)), w(128 | ((c >> 6) & 63)), w(128 | (c & 63)); + else + w(224 | (c >> 12)), w(128 | ((c >> 6) & 63)), w(128 | (c & 63)); + } + return slc(ar, 0, ai); +} +/** + * Converts a Uint8Array to a string + * @param dat The data to decode to string + * @param latin1 Whether or not to interpret the data as Latin-1. This should + * not need to be true unless encoding to binary string. + * @returns The original UTF-8/Latin-1 string + */ +export function strFromU8(dat, latin1) { + if (latin1) { + var r = ''; + for (var i = 0; i < dat.length; i += 16384) + r += String.fromCharCode.apply(null, dat.subarray(i, i + 16384)); + return r; + } + else if (td) { + return td.decode(dat); + } + else { + var _a = dutf8(dat), s = _a.s, r = _a.r; + if (r.length) + err(8); + return s; + } +} +; +// deflate bit flag +var dbf = function (l) { return l == 1 ? 3 : l < 6 ? 2 : l == 9 ? 1 : 0; }; +// skip local zip header +var slzh = function (d, b) { return b + 30 + b2(d, b + 26) + b2(d, b + 28); }; +// read zip header +var zh = function (d, b, z) { + var fnl = b2(d, b + 28), fn = strFromU8(d.subarray(b + 46, b + 46 + fnl), !(b2(d, b + 8) & 2048)), es = b + 46 + fnl, bs = b4(d, b + 20); + var _a = z && bs == 4294967295 ? z64e(d, es) : [bs, b4(d, b + 24), b4(d, b + 42)], sc = _a[0], su = _a[1], off = _a[2]; + return [b2(d, b + 10), sc, su, fn, es + b2(d, b + 30) + b2(d, b + 32), off]; +}; +// read zip64 extra field +var z64e = function (d, b) { + for (; b2(d, b) != 1; b += 4 + b2(d, b + 2)) + ; + return [b8(d, b + 12), b8(d, b + 4), b8(d, b + 20)]; +}; +// extra field length +var exfl = function (ex) { + var le = 0; + if (ex) { + for (var k in ex) { + var l = ex[k].length; + if (l > 65535) + err(9); + le += l + 4; + } + } + return le; +}; +// write zip header +var wzh = function (d, b, f, fn, u, c, ce, co) { + var fl = fn.length, ex = f.extra, col = co && co.length; + var exl = exfl(ex); + wbytes(d, b, ce != null ? 0x2014B50 : 0x4034B50), b += 4; + if (ce != null) + d[b++] = 20, d[b++] = f.os; + d[b] = 20, b += 2; // spec compliance? what's that? + d[b++] = (f.flag << 1) | (c < 0 && 8), d[b++] = u && 8; + d[b++] = f.compression & 255, d[b++] = f.compression >> 8; + var dt = new Date(f.mtime == null ? Date.now() : f.mtime), y = dt.getFullYear() - 1980; + if (y < 0 || y > 119) + err(10); + wbytes(d, b, (y << 25) | ((dt.getMonth() + 1) << 21) | (dt.getDate() << 16) | (dt.getHours() << 11) | (dt.getMinutes() << 5) | (dt.getSeconds() >> 1)), b += 4; + if (c != -1) { + wbytes(d, b, f.crc); + wbytes(d, b + 4, c < 0 ? -c - 2 : c); + wbytes(d, b + 8, f.size); + } + wbytes(d, b + 12, fl); + wbytes(d, b + 14, exl), b += 16; + if (ce != null) { + wbytes(d, b, col); + wbytes(d, b + 6, f.attrs); + wbytes(d, b + 10, ce), b += 14; + } + d.set(fn, b); + b += fl; + if (exl) { + for (var k in ex) { + var exf = ex[k], l = exf.length; + wbytes(d, b, +k); + wbytes(d, b + 2, l); + d.set(exf, b + 4), b += 4 + l; + } + } + if (col) + d.set(co, b), b += col; + return b; +}; +// write zip footer (end of central directory) +var wzf = function (o, b, c, d, e) { + wbytes(o, b, 0x6054B50); // skip disk + wbytes(o, b + 8, c); + wbytes(o, b + 10, c); + wbytes(o, b + 12, d); + wbytes(o, b + 16, e); +}; +/** + * A pass-through stream to keep data uncompressed in a ZIP archive. + */ +var ZipPassThrough = /*#__PURE__*/ (function () { + /** + * Creates a pass-through stream that can be added to ZIP archives + * @param filename The filename to associate with this data stream + */ + function ZipPassThrough(filename) { + this.filename = filename; + this.c = crc(); + this.size = 0; + this.compression = 0; + } + /** + * Processes a chunk and pushes to the output stream. You can override this + * method in a subclass for custom behavior, but by default this passes + * the data through. You must call this.ondata(err, chunk, final) at some + * point in this method. + * @param chunk The chunk to process + * @param final Whether this is the last chunk + */ + ZipPassThrough.prototype.process = function (chunk, final) { + this.ondata(null, chunk, final); + }; + /** + * Pushes a chunk to be added. If you are subclassing this with a custom + * compression algorithm, note that you must push data from the source + * file only, pre-compression. + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + ZipPassThrough.prototype.push = function (chunk, final) { + if (!this.ondata) + err(5); + this.c.p(chunk); + this.size += chunk.length; + if (final) + this.crc = this.c.d(); + this.process(chunk, final || false); + }; + return ZipPassThrough; +}()); +export { ZipPassThrough }; +// I don't extend because TypeScript extension adds 1kB of runtime bloat +/** + * Streaming DEFLATE compression for ZIP archives. Prefer using AsyncZipDeflate + * for better performance + */ +var ZipDeflate = /*#__PURE__*/ (function () { + /** + * Creates a DEFLATE stream that can be added to ZIP archives + * @param filename The filename to associate with this data stream + * @param opts The compression options + */ + function ZipDeflate(filename, opts) { + var _this = this; + if (!opts) + opts = {}; + ZipPassThrough.call(this, filename); + this.d = new Deflate(opts, function (dat, final) { + _this.ondata(null, dat, final); + }); + this.compression = 8; + this.flag = dbf(opts.level); + } + ZipDeflate.prototype.process = function (chunk, final) { + try { + this.d.push(chunk, final); + } + catch (e) { + this.ondata(e, null, final); + } + }; + /** + * Pushes a chunk to be deflated + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + ZipDeflate.prototype.push = function (chunk, final) { + ZipPassThrough.prototype.push.call(this, chunk, final); + }; + return ZipDeflate; +}()); +export { ZipDeflate }; +/** + * Asynchronous streaming DEFLATE compression for ZIP archives + */ +var AsyncZipDeflate = /*#__PURE__*/ (function () { + /** + * Creates an asynchronous DEFLATE stream that can be added to ZIP archives + * @param filename The filename to associate with this data stream + * @param opts The compression options + */ + function AsyncZipDeflate(filename, opts) { + var _this = this; + if (!opts) + opts = {}; + ZipPassThrough.call(this, filename); + this.d = new AsyncDeflate(opts, function (err, dat, final) { + _this.ondata(err, dat, final); + }); + this.compression = 8; + this.flag = dbf(opts.level); + this.terminate = this.d.terminate; + } + AsyncZipDeflate.prototype.process = function (chunk, final) { + this.d.push(chunk, final); + }; + /** + * Pushes a chunk to be deflated + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + AsyncZipDeflate.prototype.push = function (chunk, final) { + ZipPassThrough.prototype.push.call(this, chunk, final); + }; + return AsyncZipDeflate; +}()); +export { AsyncZipDeflate }; +// TODO: Better tree shaking +/** + * A zippable archive to which files can incrementally be added + */ +var Zip = /*#__PURE__*/ (function () { + /** + * Creates an empty ZIP archive to which files can be added + * @param cb The callback to call whenever data for the generated ZIP archive + * is available + */ + function Zip(cb) { + this.ondata = cb; + this.u = []; + this.d = 1; + } + /** + * Adds a file to the ZIP archive + * @param file The file stream to add + */ + Zip.prototype.add = function (file) { + var _this = this; + if (!this.ondata) + err(5); + // finishing or finished + if (this.d & 2) + this.ondata(err(4 + (this.d & 1) * 8, 0, 1), null, false); + else { + var f = strToU8(file.filename), fl_1 = f.length; + var com = file.comment, o = com && strToU8(com); + var u = fl_1 != file.filename.length || (o && (com.length != o.length)); + var hl_1 = fl_1 + exfl(file.extra) + 30; + if (fl_1 > 65535) + this.ondata(err(11, 0, 1), null, false); + var header = new u8(hl_1); + wzh(header, 0, file, f, u, -1); + var chks_1 = [header]; + var pAll_1 = function () { + for (var _i = 0, chks_2 = chks_1; _i < chks_2.length; _i++) { + var chk = chks_2[_i]; + _this.ondata(null, chk, false); + } + chks_1 = []; + }; + var tr_1 = this.d; + this.d = 0; + var ind_1 = this.u.length; + var uf_1 = mrg(file, { + f: f, + u: u, + o: o, + t: function () { + if (file.terminate) + file.terminate(); + }, + r: function () { + pAll_1(); + if (tr_1) { + var nxt = _this.u[ind_1 + 1]; + if (nxt) + nxt.r(); + else + _this.d = 1; + } + tr_1 = 1; + } + }); + var cl_1 = 0; + file.ondata = function (err, dat, final) { + if (err) { + _this.ondata(err, dat, final); + _this.terminate(); + } + else { + cl_1 += dat.length; + chks_1.push(dat); + if (final) { + var dd = new u8(16); + wbytes(dd, 0, 0x8074B50); + wbytes(dd, 4, file.crc); + wbytes(dd, 8, cl_1); + wbytes(dd, 12, file.size); + chks_1.push(dd); + uf_1.c = cl_1, uf_1.b = hl_1 + cl_1 + 16, uf_1.crc = file.crc, uf_1.size = file.size; + if (tr_1) + uf_1.r(); + tr_1 = 1; + } + else if (tr_1) + pAll_1(); + } + }; + this.u.push(uf_1); + } + }; + /** + * Ends the process of adding files and prepares to emit the final chunks. + * This *must* be called after adding all desired files for the resulting + * ZIP file to work properly. + */ + Zip.prototype.end = function () { + var _this = this; + if (this.d & 2) { + this.ondata(err(4 + (this.d & 1) * 8, 0, 1), null, true); + return; + } + if (this.d) + this.e(); + else + this.u.push({ + r: function () { + if (!(_this.d & 1)) + return; + _this.u.splice(-1, 1); + _this.e(); + }, + t: function () { } + }); + this.d = 3; + }; + Zip.prototype.e = function () { + var bt = 0, l = 0, tl = 0; + for (var _i = 0, _a = this.u; _i < _a.length; _i++) { + var f = _a[_i]; + tl += 46 + f.f.length + exfl(f.extra) + (f.o ? f.o.length : 0); + } + var out = new u8(tl + 22); + for (var _b = 0, _c = this.u; _b < _c.length; _b++) { + var f = _c[_b]; + wzh(out, bt, f, f.f, f.u, -f.c - 2, l, f.o); + bt += 46 + f.f.length + exfl(f.extra) + (f.o ? f.o.length : 0), l += f.b; + } + wzf(out, bt, this.u.length, tl, l); + this.ondata(null, out, true); + this.d = 2; + }; + /** + * A method to terminate any internal workers used by the stream. Subsequent + * calls to add() will fail. + */ + Zip.prototype.terminate = function () { + for (var _i = 0, _a = this.u; _i < _a.length; _i++) { + var f = _a[_i]; + f.t(); + } + this.d = 2; + }; + return Zip; +}()); +export { Zip }; +export function zip(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + var r = {}; + fltn(data, '', r, opts); + var k = Object.keys(r); + var lft = k.length, o = 0, tot = 0; + var slft = lft, files = new Array(lft); + var term = []; + var tAll = function () { + for (var i = 0; i < term.length; ++i) + term[i](); + }; + var cbd = function (a, b) { + mt(function () { cb(a, b); }); + }; + mt(function () { cbd = cb; }); + var cbf = function () { + var out = new u8(tot + 22), oe = o, cdl = tot - o; + tot = 0; + for (var i = 0; i < slft; ++i) { + var f = files[i]; + try { + var l = f.c.length; + wzh(out, tot, f, f.f, f.u, l); + var badd = 30 + f.f.length + exfl(f.extra); + var loc = tot + badd; + out.set(f.c, loc); + wzh(out, o, f, f.f, f.u, l, tot, f.m), o += 16 + badd + (f.m ? f.m.length : 0), tot = loc + l; + } + catch (e) { + return cbd(e, null); + } + } + wzf(out, o, files.length, cdl, oe); + cbd(null, out); + }; + if (!lft) + cbf(); + var _loop_1 = function (i) { + var fn = k[i]; + var _a = r[fn], file = _a[0], p = _a[1]; + var c = crc(), size = file.length; + c.p(file); + var f = strToU8(fn), s = f.length; + var com = p.comment, m = com && strToU8(com), ms = m && m.length; + var exl = exfl(p.extra); + var compression = p.level == 0 ? 0 : 8; + var cbl = function (e, d) { + if (e) { + tAll(); + cbd(e, null); + } + else { + var l = d.length; + files[i] = mrg(p, { + size: size, + crc: c.d(), + c: d, + f: f, + m: m, + u: s != fn.length || (m && (com.length != ms)), + compression: compression + }); + o += 30 + s + exl + l; + tot += 76 + 2 * (s + exl) + (ms || 0) + l; + if (!--lft) + cbf(); + } + }; + if (s > 65535) + cbl(err(11, 0, 1), null); + if (!compression) + cbl(null, file); + else if (size < 160000) { + try { + cbl(null, deflateSync(file, p)); + } + catch (e) { + cbl(e, null); + } + } + else + term.push(deflate(file, p, cbl)); + }; + // Cannot use lft because it can decrease + for (var i = 0; i < slft; ++i) { + _loop_1(i); + } + return tAll; +} +/** + * Synchronously creates a ZIP file. Prefer using `zip` for better performance + * with more than one file. + * @param data The directory structure for the ZIP archive + * @param opts The main options, merged with per-file options + * @returns The generated ZIP archive + */ +export function zipSync(data, opts) { + if (!opts) + opts = {}; + var r = {}; + var files = []; + fltn(data, '', r, opts); + var o = 0; + var tot = 0; + for (var fn in r) { + var _a = r[fn], file = _a[0], p = _a[1]; + var compression = p.level == 0 ? 0 : 8; + var f = strToU8(fn), s = f.length; + var com = p.comment, m = com && strToU8(com), ms = m && m.length; + var exl = exfl(p.extra); + if (s > 65535) + err(11); + var d = compression ? deflateSync(file, p) : file, l = d.length; + var c = crc(); + c.p(file); + files.push(mrg(p, { + size: file.length, + crc: c.d(), + c: d, + f: f, + m: m, + u: s != fn.length || (m && (com.length != ms)), + o: o, + compression: compression + })); + o += 30 + s + exl + l; + tot += 76 + 2 * (s + exl) + (ms || 0) + l; + } + var out = new u8(tot + 22), oe = o, cdl = tot - o; + for (var i = 0; i < files.length; ++i) { + var f = files[i]; + wzh(out, f.o, f, f.f, f.u, f.c.length); + var badd = 30 + f.f.length + exfl(f.extra); + out.set(f.c, f.o + badd); + wzh(out, o, f, f.f, f.u, f.c.length, f.o, f.m), o += 16 + badd + (f.m ? f.m.length : 0); + } + wzf(out, o, files.length, cdl, oe); + return out; +} +/** + * Streaming pass-through decompression for ZIP archives + */ +var UnzipPassThrough = /*#__PURE__*/ (function () { + function UnzipPassThrough() { + } + UnzipPassThrough.prototype.push = function (data, final) { + this.ondata(null, data, final); + }; + UnzipPassThrough.compression = 0; + return UnzipPassThrough; +}()); +export { UnzipPassThrough }; +/** + * Streaming DEFLATE decompression for ZIP archives. Prefer AsyncZipInflate for + * better performance. + */ +var UnzipInflate = /*#__PURE__*/ (function () { + /** + * Creates a DEFLATE decompression that can be used in ZIP archives + */ + function UnzipInflate() { + var _this = this; + this.i = new Inflate(function (dat, final) { + _this.ondata(null, dat, final); + }); + } + UnzipInflate.prototype.push = function (data, final) { + try { + this.i.push(data, final); + } + catch (e) { + this.ondata(e, null, final); + } + }; + UnzipInflate.compression = 8; + return UnzipInflate; +}()); +export { UnzipInflate }; +/** + * Asynchronous streaming DEFLATE decompression for ZIP archives + */ +var AsyncUnzipInflate = /*#__PURE__*/ (function () { + /** + * Creates a DEFLATE decompression that can be used in ZIP archives + */ + function AsyncUnzipInflate(_, sz) { + var _this = this; + if (sz < 320000) { + this.i = new Inflate(function (dat, final) { + _this.ondata(null, dat, final); + }); + } + else { + this.i = new AsyncInflate(function (err, dat, final) { + _this.ondata(err, dat, final); + }); + this.terminate = this.i.terminate; + } + } + AsyncUnzipInflate.prototype.push = function (data, final) { + if (this.i.terminate) + data = slc(data, 0); + this.i.push(data, final); + }; + AsyncUnzipInflate.compression = 8; + return AsyncUnzipInflate; +}()); +export { AsyncUnzipInflate }; +/** + * A ZIP archive decompression stream that emits files as they are discovered + */ +var Unzip = /*#__PURE__*/ (function () { + /** + * Creates a ZIP decompression stream + * @param cb The callback to call whenever a file in the ZIP archive is found + */ + function Unzip(cb) { + this.onfile = cb; + this.k = []; + this.o = { + 0: UnzipPassThrough + }; + this.p = et; + } + /** + * Pushes a chunk to be unzipped + * @param chunk The chunk to push + * @param final Whether this is the last chunk + */ + Unzip.prototype.push = function (chunk, final) { + var _this = this; + if (!this.onfile) + err(5); + if (!this.p) + err(4); + if (this.c > 0) { + var len = Math.min(this.c, chunk.length); + var toAdd = chunk.subarray(0, len); + this.c -= len; + if (this.d) + this.d.push(toAdd, !this.c); + else + this.k[0].push(toAdd); + chunk = chunk.subarray(len); + if (chunk.length) + return this.push(chunk, final); + } + else { + var f = 0, i = 0, is = void 0, buf = void 0; + if (!this.p.length) + buf = chunk; + else if (!chunk.length) + buf = this.p; + else { + buf = new u8(this.p.length + chunk.length); + buf.set(this.p), buf.set(chunk, this.p.length); + } + var l = buf.length, oc = this.c, add = oc && this.d; + var _loop_2 = function () { + var _a; + var sig = b4(buf, i); + if (sig == 0x4034B50) { + f = 1, is = i; + this_1.d = null; + this_1.c = 0; + var bf = b2(buf, i + 6), cmp_1 = b2(buf, i + 8), u = bf & 2048, dd = bf & 8, fnl = b2(buf, i + 26), es = b2(buf, i + 28); + if (l > i + 30 + fnl + es) { + var chks_3 = []; + this_1.k.unshift(chks_3); + f = 2; + var sc_1 = b4(buf, i + 18), su_1 = b4(buf, i + 22); + var fn_1 = strFromU8(buf.subarray(i + 30, i += 30 + fnl), !u); + if (sc_1 == 4294967295) { + _a = dd ? [-2] : z64e(buf, i), sc_1 = _a[0], su_1 = _a[1]; + } + else if (dd) + sc_1 = -1; + i += es; + this_1.c = sc_1; + var d_1; + var file_1 = { + name: fn_1, + compression: cmp_1, + start: function () { + if (!file_1.ondata) + err(5); + if (!sc_1) + file_1.ondata(null, et, true); + else { + var ctr = _this.o[cmp_1]; + if (!ctr) + file_1.ondata(err(14, 'unknown compression type ' + cmp_1, 1), null, false); + d_1 = sc_1 < 0 ? new ctr(fn_1) : new ctr(fn_1, sc_1, su_1); + d_1.ondata = function (err, dat, final) { file_1.ondata(err, dat, final); }; + for (var _i = 0, chks_4 = chks_3; _i < chks_4.length; _i++) { + var dat = chks_4[_i]; + d_1.push(dat, false); + } + if (_this.k[0] == chks_3 && _this.c) + _this.d = d_1; + else + d_1.push(et, true); + } + }, + terminate: function () { + if (d_1 && d_1.terminate) + d_1.terminate(); + } + }; + if (sc_1 >= 0) + file_1.size = sc_1, file_1.originalSize = su_1; + this_1.onfile(file_1); + } + return "break"; + } + else if (oc) { + if (sig == 0x8074B50) { + is = i += 12 + (oc == -2 && 8), f = 3, this_1.c = 0; + return "break"; + } + else if (sig == 0x2014B50) { + is = i -= 4, f = 3, this_1.c = 0; + return "break"; + } + } + }; + var this_1 = this; + for (; i < l - 4; ++i) { + var state_1 = _loop_2(); + if (state_1 === "break") + break; + } + this.p = et; + if (oc < 0) { + var dat = f ? buf.subarray(0, is - 12 - (oc == -2 && 8) - (b4(buf, is - 16) == 0x8074B50 && 4)) : buf.subarray(0, i); + if (add) + add.push(dat, !!f); + else + this.k[+(f == 2)].push(dat); + } + if (f & 2) + return this.push(buf.subarray(i), final); + this.p = buf.subarray(i); + } + if (final) { + if (this.c) + err(13); + this.p = null; + } + }; + /** + * Registers a decoder with the stream, allowing for files compressed with + * the compression type provided to be expanded correctly + * @param decoder The decoder constructor + */ + Unzip.prototype.register = function (decoder) { + this.o[decoder.compression] = decoder; + }; + return Unzip; +}()); +export { Unzip }; +var mt = typeof queueMicrotask == 'function' ? queueMicrotask : typeof setTimeout == 'function' ? setTimeout : function (fn) { fn(); }; +export function unzip(data, opts, cb) { + if (!cb) + cb = opts, opts = {}; + if (typeof cb != 'function') + err(7); + var term = []; + var tAll = function () { + for (var i = 0; i < term.length; ++i) + term[i](); + }; + var files = {}; + var cbd = function (a, b) { + mt(function () { cb(a, b); }); + }; + mt(function () { cbd = cb; }); + var e = data.length - 22; + for (; b4(data, e) != 0x6054B50; --e) { + if (!e || data.length - e > 65558) { + cbd(err(13, 0, 1), null); + return tAll; + } + } + ; + var lft = b2(data, e + 8); + if (lft) { + var c = lft; + var o = b4(data, e + 16); + var z = o == 4294967295 || c == 65535; + if (z) { + var ze = b4(data, e - 12); + z = b4(data, ze) == 0x6064B50; + if (z) { + c = lft = b4(data, ze + 32); + o = b4(data, ze + 48); + } + } + var fltr = opts && opts.filter; + var _loop_3 = function (i) { + var _a = zh(data, o, z), c_1 = _a[0], sc = _a[1], su = _a[2], fn = _a[3], no = _a[4], off = _a[5], b = slzh(data, off); + o = no; + var cbl = function (e, d) { + if (e) { + tAll(); + cbd(e, null); + } + else { + if (d) + files[fn] = d; + if (!--lft) + cbd(null, files); + } + }; + if (!fltr || fltr({ + name: fn, + size: sc, + originalSize: su, + compression: c_1 + })) { + if (!c_1) + cbl(null, slc(data, b, b + sc)); + else if (c_1 == 8) { + var infl = data.subarray(b, b + sc); + // Synchronously decompress under 512KB, or barely-compressed data + if (su < 524288 || sc > 0.8 * su) { + try { + cbl(null, inflateSync(infl, { out: new u8(su) })); + } + catch (e) { + cbl(e, null); + } + } + else + term.push(inflate(infl, { size: su }, cbl)); + } + else + cbl(err(14, 'unknown compression type ' + c_1, 1), null); + } + else + cbl(null, null); + }; + for (var i = 0; i < c; ++i) { + _loop_3(i); + } + } + else + cbd(null, {}); + return tAll; +} +/** + * Synchronously decompresses a ZIP archive. Prefer using `unzip` for better + * performance with more than one file. + * @param data The raw compressed ZIP file + * @param opts The ZIP extraction options + * @returns The decompressed files + */ +export function unzipSync(data, opts) { + var files = {}; + var e = data.length - 22; + for (; b4(data, e) != 0x6054B50; --e) { + if (!e || data.length - e > 65558) + err(13); + } + ; + var c = b2(data, e + 8); + if (!c) + return {}; + var o = b4(data, e + 16); + var z = o == 4294967295 || c == 65535; + if (z) { + var ze = b4(data, e - 12); + z = b4(data, ze) == 0x6064B50; + if (z) { + c = b4(data, ze + 32); + o = b4(data, ze + 48); + } + } + var fltr = opts && opts.filter; + for (var i = 0; i < c; ++i) { + var _a = zh(data, o, z), c_2 = _a[0], sc = _a[1], su = _a[2], fn = _a[3], no = _a[4], off = _a[5], b = slzh(data, off); + o = no; + if (!fltr || fltr({ + name: fn, + size: sc, + originalSize: su, + compression: c_2 + })) { + if (!c_2) + files[fn] = slc(data, b, b + sc); + else if (c_2 == 8) + files[fn] = inflateSync(data.subarray(b, b + sc), { out: new u8(su) }); + else + err(14, 'unknown compression type ' + c_2); + } + } + return files; +} diff --git a/node_modules/three/examples/jsm/libs/ktx-parse.module.js b/node_modules/three/examples/jsm/libs/ktx-parse.module.js new file mode 100644 index 0000000..74d2808 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/ktx-parse.module.js @@ -0,0 +1 @@ +const t=0,e=1,n=2,i=3,s=0,a=0,r=2,o=0,l=1,f=160,c=161,U=162,h=163,p=166,_=0,u=1,g=0,x=1,y=2,b=3,m=4,d=5,D=6,w=7,v=8,B=9,L=10,A=11,k=12,I=13,V=14,C=15,F=16,O=17,T=18,S=0,E=1,P=2,M=3,N=4,W=5,H=6,z=7,j=8,K=9,X=10,Y=11,R=0,G=1,q=2,J=13,Q=14,Z=15,$=128,tt=64,et=32,nt=16,it=0,st=1,at=2,rt=3,ot=4,lt=5,ft=6,ct=7,Ut=8,ht=9,pt=10,_t=13,ut=14,gt=15,xt=16,yt=17,bt=20,mt=21,dt=22,Dt=23,wt=24,vt=27,Bt=28,Lt=29,At=30,kt=31,It=34,Vt=35,Ct=36,Ft=37,Ot=38,Tt=41,St=42,Et=43,Pt=44,Mt=45,Nt=48,Wt=49,Ht=50,zt=58,jt=59,Kt=62,Xt=63,Yt=64,Rt=65,Gt=68,qt=69,Jt=70,Qt=71,Zt=74,$t=75,te=76,ee=77,ne=78,ie=81,se=82,ae=83,re=84,oe=85,le=88,fe=89,ce=90,Ue=91,he=92,pe=95,_e=96,ue=97,ge=98,xe=99,ye=100,be=101,me=102,de=103,De=104,we=105,ve=106,Be=107,Le=108,Ae=109,ke=110,Ie=111,Ve=112,Ce=113,Fe=114,Oe=115,Te=116,Se=117,Ee=118,Pe=119,Me=120,Ne=121,We=122,He=123,ze=124,je=125,Ke=126,Xe=127,Ye=128,Re=129,Ge=130,qe=131,Je=132,Qe=133,Ze=134,$e=135,tn=136,en=137,nn=138,sn=139,an=140,rn=141,on=142,ln=143,fn=144,cn=145,Un=146,hn=147,pn=148,_n=149,un=150,gn=151,xn=152,yn=153,bn=154,mn=155,dn=156,Dn=157,wn=158,vn=159,Bn=160,Ln=161,An=162,kn=163,In=164,Vn=165,Cn=166,Fn=167,On=168,Tn=169,Sn=170,En=171,Pn=172,Mn=173,Nn=174,Wn=175,Hn=176,zn=177,jn=178,Kn=179,Xn=180,Yn=181,Rn=182,Gn=183,qn=184,Jn=1000156007,Qn=1000156008,Zn=1000156009,$n=1000156010,ti=1000156011,ei=1000156017,ni=1000156018,ii=1000156019,si=1000156020,ai=1000156021,ri=1000054e3,oi=1000054001,li=1000054002,fi=1000054003,ci=1000054004,Ui=1000054005,hi=1000054006,pi=1000054007,_i=1000066e3,ui=1000066001,gi=1000066002,xi=1000066003,yi=1000066004,bi=1000066005,mi=1000066006,di=1000066007,Di=1000066008,wi=1000066009,vi=1000066010,Bi=1000066011,Li=1000066012,Ai=1000066013,ki=100034e4,Ii=1000340001;function Vi(){return{vkFormat:0,typeSize:1,pixelWidth:0,pixelHeight:0,pixelDepth:0,layerCount:0,faceCount:1,levelCount:0,supercompressionScheme:0,levels:[],dataFormatDescriptor:[{vendorId:0,descriptorType:0,versionNumber:2,colorModel:0,colorPrimaries:1,transferFunction:2,flags:0,texelBlockDimension:[0,0,0,0],bytesPlane:[0,0,0,0,0,0,0,0],samples:[]}],keyValue:{},globalData:null}}class Ci{constructor(t,e,n,i){this._dataView=void 0,this._littleEndian=void 0,this._offset=void 0,this._dataView=new DataView(t.buffer,t.byteOffset+e,n),this._littleEndian=i,this._offset=0}_nextUint8(){const t=this._dataView.getUint8(this._offset);return this._offset+=1,t}_nextUint16(){const t=this._dataView.getUint16(this._offset,this._littleEndian);return this._offset+=2,t}_nextUint32(){const t=this._dataView.getUint32(this._offset,this._littleEndian);return this._offset+=4,t}_nextUint64(){const t=this._dataView.getUint32(this._offset,this._littleEndian)+2**32*this._dataView.getUint32(this._offset+4,this._littleEndian);return this._offset+=8,t}_nextInt32(){const t=this._dataView.getInt32(this._offset,this._littleEndian);return this._offset+=4,t}_nextUint8Array(t){const e=new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+this._offset,t);return this._offset+=t,e}_skip(t){return this._offset+=t,this}_scan(t,e=0){const n=this._offset;let i=0;for(;this._dataView.getUint8(this._offset)!==e&&it[0]>e[0]?1:-1);for(const[t,e]of s){const n=Ti(t),s="string"==typeof e?Ei([Ti(e),Fi]):e,a=n.byteLength+1+s.byteLength,r=Pi(a,4);i.push(Ei([new Uint32Array([a]),n,Fi,s,new Uint8Array(r).fill(0)]))}const a=Ei(i);if(1!==t.dataFormatDescriptor.length||0!==t.dataFormatDescriptor[0].descriptorType)throw new Error("Only BASICFORMAT Data Format Descriptor output supported.");const r=t.dataFormatDescriptor[0],o=new ArrayBuffer(28+16*r.samples.length),l=new DataView(o),f=24+16*r.samples.length;if(l.setUint32(0,o.byteLength,!0),l.setUint16(4,r.vendorId,!0),l.setUint16(6,r.descriptorType,!0),l.setUint16(8,r.versionNumber,!0),l.setUint16(10,f,!0),l.setUint8(12,r.colorModel),l.setUint8(13,r.colorPrimaries),l.setUint8(14,r.transferFunction),l.setUint8(15,r.flags),!Array.isArray(r.texelBlockDimension))throw new Error("texelBlockDimension is now an array. For dimensionality `d`, set `d - 1`.");l.setUint8(16,r.texelBlockDimension[0]),l.setUint8(17,r.texelBlockDimension[1]),l.setUint8(18,r.texelBlockDimension[2]),l.setUint8(19,r.texelBlockDimension[3]);for(let t=0;t<8;t++)l.setUint8(20+t,r.bytesPlane[t]);for(let t=0;t0?U+a.byteLength:0;h%8&&(h+=8-h%8);const p=[],_=new DataView(new ArrayBuffer(3*t.levels.length*8)),u=new Uint32Array(t.levels.length);let g=0;0===t.supercompressionScheme&&(g=function(t){const e=Math.max(t,4),n=Math.min(t,4);let i=e;for(;i%n!==0;)i+=e;return i}(function(t){return t.levels[0].levelData.byteLength/function(t){let e=1;const n=[t.pixelWidth,t.pixelHeight,t.pixelDepth],i=function(t){const[e,n,i]=t.dataFormatDescriptor[0].texelBlockDimension;return[e+1,n+1,i+1]}(t);for(let t=0;t<3;t++)if(n[t]>0){const s=Math.ceil(Math.floor(1*n[t])/i[t]);e*=Math.max(1,s)}return t.layerCount>0&&(e*=t.layerCount),t.faceCount>0&&(e*=t.faceCount),e}(t)}(t)));let x=(h||U+a.byteLength)+n.byteLength;for(let e=t.levels.length-1;e>=0;e--){if(x%g){const t=Pi(x,g);p.push(new Uint8Array(t)),x+=t}const n=t.levels[e];p.push(n.levelData),u[e]=x,x+=n.levelData.byteLength}for(let e=0;e0?h:0),!0),b.setBigUint64(60,BigInt(n.byteLength),!0),new Uint8Array(Ei([new Uint8Array(Oi).buffer,y,_.buffer,o,a,h>0?new ArrayBuffer(h-(U+a.byteLength)):new ArrayBuffer(0),n,...p]))}export{Z as KHR_DF_CHANNEL_RGBSDA_ALPHA,q as KHR_DF_CHANNEL_RGBSDA_BLUE,Q as KHR_DF_CHANNEL_RGBSDA_DEPTH,G as KHR_DF_CHANNEL_RGBSDA_GREEN,R as KHR_DF_CHANNEL_RGBSDA_RED,J as KHR_DF_CHANNEL_RGBSDA_STENCIL,u as KHR_DF_FLAG_ALPHA_PREMULTIPLIED,_ as KHR_DF_FLAG_ALPHA_STRAIGHT,s as KHR_DF_KHR_DESCRIPTORTYPE_BASICFORMAT,U as KHR_DF_MODEL_ASTC,f as KHR_DF_MODEL_ETC1,h as KHR_DF_MODEL_ETC1S,c as KHR_DF_MODEL_ETC2,l as KHR_DF_MODEL_RGBSDA,p as KHR_DF_MODEL_UASTC,o as KHR_DF_MODEL_UNSPECIFIED,H as KHR_DF_PRIMARIES_ACES,z as KHR_DF_PRIMARIES_ACESCC,Y as KHR_DF_PRIMARIES_ADOBERGB,N as KHR_DF_PRIMARIES_BT2020,P as KHR_DF_PRIMARIES_BT601_EBU,M as KHR_DF_PRIMARIES_BT601_SMPTE,E as KHR_DF_PRIMARIES_BT709,W as KHR_DF_PRIMARIES_CIEXYZ,X as KHR_DF_PRIMARIES_DISPLAYP3,j as KHR_DF_PRIMARIES_NTSC1953,K as KHR_DF_PRIMARIES_PAL525,S as KHR_DF_PRIMARIES_UNSPECIFIED,et as KHR_DF_SAMPLE_DATATYPE_EXPONENT,$ as KHR_DF_SAMPLE_DATATYPE_FLOAT,nt as KHR_DF_SAMPLE_DATATYPE_LINEAR,tt as KHR_DF_SAMPLE_DATATYPE_SIGNED,F as KHR_DF_TRANSFER_ACESCC,O as KHR_DF_TRANSFER_ACESCCT,T as KHR_DF_TRANSFER_ADOBERGB,w as KHR_DF_TRANSFER_BT1886,k as KHR_DF_TRANSFER_DCIP3,B as KHR_DF_TRANSFER_HLG_EOTF,v as KHR_DF_TRANSFER_HLG_OETF,b as KHR_DF_TRANSFER_ITU,x as KHR_DF_TRANSFER_LINEAR,m as KHR_DF_TRANSFER_NTSC,V as KHR_DF_TRANSFER_PAL625_EOTF,I as KHR_DF_TRANSFER_PAL_OETF,L as KHR_DF_TRANSFER_PQ_EOTF,A as KHR_DF_TRANSFER_PQ_OETF,d as KHR_DF_TRANSFER_SLOG,D as KHR_DF_TRANSFER_SLOG2,y as KHR_DF_TRANSFER_SRGB,C as KHR_DF_TRANSFER_ST240,g as KHR_DF_TRANSFER_UNSPECIFIED,a as KHR_DF_VENDORID_KHRONOS,r as KHR_DF_VERSION,e as KHR_SUPERCOMPRESSION_BASISLZ,t as KHR_SUPERCOMPRESSION_NONE,i as KHR_SUPERCOMPRESSION_ZLIB,n as KHR_SUPERCOMPRESSION_ZSTD,Ut as VK_FORMAT_A1R5G5B5_UNORM_PACK16,qt as VK_FORMAT_A2B10G10R10_SINT_PACK32,Rt as VK_FORMAT_A2B10G10R10_SNORM_PACK32,Gt as VK_FORMAT_A2B10G10R10_UINT_PACK32,Yt as VK_FORMAT_A2B10G10R10_UNORM_PACK32,Xt as VK_FORMAT_A2R10G10B10_SINT_PACK32,jt as VK_FORMAT_A2R10G10B10_SNORM_PACK32,Kt as VK_FORMAT_A2R10G10B10_UINT_PACK32,zt as VK_FORMAT_A2R10G10B10_UNORM_PACK32,Ii as VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT,ki as VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT,Bi as VK_FORMAT_ASTC_10x10_SFLOAT_BLOCK_EXT,Xn as VK_FORMAT_ASTC_10x10_SRGB_BLOCK,Kn as VK_FORMAT_ASTC_10x10_UNORM_BLOCK,Di as VK_FORMAT_ASTC_10x5_SFLOAT_BLOCK_EXT,Nn as VK_FORMAT_ASTC_10x5_SRGB_BLOCK,Mn as VK_FORMAT_ASTC_10x5_UNORM_BLOCK,wi as VK_FORMAT_ASTC_10x6_SFLOAT_BLOCK_EXT,Hn as VK_FORMAT_ASTC_10x6_SRGB_BLOCK,Wn as VK_FORMAT_ASTC_10x6_UNORM_BLOCK,vi as VK_FORMAT_ASTC_10x8_SFLOAT_BLOCK_EXT,jn as VK_FORMAT_ASTC_10x8_SRGB_BLOCK,zn as VK_FORMAT_ASTC_10x8_UNORM_BLOCK,Li as VK_FORMAT_ASTC_12x10_SFLOAT_BLOCK_EXT,Rn as VK_FORMAT_ASTC_12x10_SRGB_BLOCK,Yn as VK_FORMAT_ASTC_12x10_UNORM_BLOCK,Ai as VK_FORMAT_ASTC_12x12_SFLOAT_BLOCK_EXT,qn as VK_FORMAT_ASTC_12x12_SRGB_BLOCK,Gn as VK_FORMAT_ASTC_12x12_UNORM_BLOCK,_i as VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT,wn as VK_FORMAT_ASTC_4x4_SRGB_BLOCK,Dn as VK_FORMAT_ASTC_4x4_UNORM_BLOCK,ui as VK_FORMAT_ASTC_5x4_SFLOAT_BLOCK_EXT,Bn as VK_FORMAT_ASTC_5x4_SRGB_BLOCK,vn as VK_FORMAT_ASTC_5x4_UNORM_BLOCK,gi as VK_FORMAT_ASTC_5x5_SFLOAT_BLOCK_EXT,An as VK_FORMAT_ASTC_5x5_SRGB_BLOCK,Ln as VK_FORMAT_ASTC_5x5_UNORM_BLOCK,xi as VK_FORMAT_ASTC_6x5_SFLOAT_BLOCK_EXT,In as VK_FORMAT_ASTC_6x5_SRGB_BLOCK,kn as VK_FORMAT_ASTC_6x5_UNORM_BLOCK,yi as VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK_EXT,Cn as VK_FORMAT_ASTC_6x6_SRGB_BLOCK,Vn as VK_FORMAT_ASTC_6x6_UNORM_BLOCK,bi as VK_FORMAT_ASTC_8x5_SFLOAT_BLOCK_EXT,On as VK_FORMAT_ASTC_8x5_SRGB_BLOCK,Fn as VK_FORMAT_ASTC_8x5_UNORM_BLOCK,mi as VK_FORMAT_ASTC_8x6_SFLOAT_BLOCK_EXT,Sn as VK_FORMAT_ASTC_8x6_SRGB_BLOCK,Tn as VK_FORMAT_ASTC_8x6_UNORM_BLOCK,di as VK_FORMAT_ASTC_8x8_SFLOAT_BLOCK_EXT,Pn as VK_FORMAT_ASTC_8x8_SRGB_BLOCK,En as VK_FORMAT_ASTC_8x8_UNORM_BLOCK,We as VK_FORMAT_B10G11R11_UFLOAT_PACK32,ti as VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16,ai as VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16,rt as VK_FORMAT_B4G4R4A4_UNORM_PACK16,ct as VK_FORMAT_B5G5R5A1_UNORM_PACK16,lt as VK_FORMAT_B5G6R5_UNORM_PACK16,Wt as VK_FORMAT_B8G8R8A8_SINT,Mt as VK_FORMAT_B8G8R8A8_SNORM,Ht as VK_FORMAT_B8G8R8A8_SRGB,Nt as VK_FORMAT_B8G8R8A8_UINT,Pt as VK_FORMAT_B8G8R8A8_UNORM,Vt as VK_FORMAT_B8G8R8_SINT,kt as VK_FORMAT_B8G8R8_SNORM,Ct as VK_FORMAT_B8G8R8_SRGB,It as VK_FORMAT_B8G8R8_UINT,At as VK_FORMAT_B8G8R8_UNORM,Ze as VK_FORMAT_BC1_RGBA_SRGB_BLOCK,Qe as VK_FORMAT_BC1_RGBA_UNORM_BLOCK,Je as VK_FORMAT_BC1_RGB_SRGB_BLOCK,qe as VK_FORMAT_BC1_RGB_UNORM_BLOCK,tn as VK_FORMAT_BC2_SRGB_BLOCK,$e as VK_FORMAT_BC2_UNORM_BLOCK,nn as VK_FORMAT_BC3_SRGB_BLOCK,en as VK_FORMAT_BC3_UNORM_BLOCK,an as VK_FORMAT_BC4_SNORM_BLOCK,sn as VK_FORMAT_BC4_UNORM_BLOCK,on as VK_FORMAT_BC5_SNORM_BLOCK,rn as VK_FORMAT_BC5_UNORM_BLOCK,fn as VK_FORMAT_BC6H_SFLOAT_BLOCK,ln as VK_FORMAT_BC6H_UFLOAT_BLOCK,Un as VK_FORMAT_BC7_SRGB_BLOCK,cn as VK_FORMAT_BC7_UNORM_BLOCK,ze as VK_FORMAT_D16_UNORM,Ye as VK_FORMAT_D16_UNORM_S8_UINT,Re as VK_FORMAT_D24_UNORM_S8_UINT,Ke as VK_FORMAT_D32_SFLOAT,Ge as VK_FORMAT_D32_SFLOAT_S8_UINT,He as VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,dn as VK_FORMAT_EAC_R11G11_SNORM_BLOCK,mn as VK_FORMAT_EAC_R11G11_UNORM_BLOCK,bn as VK_FORMAT_EAC_R11_SNORM_BLOCK,yn as VK_FORMAT_EAC_R11_UNORM_BLOCK,un as VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK,_n as VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK,xn as VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK,gn as VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK,pn as VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,hn as VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,$n as VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16,si as VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16,ci as VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG,ri as VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG,Ui as VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG,oi as VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG,hi as VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG,li as VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG,pi as VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG,fi as VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG,Zn as VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16,Qn as VK_FORMAT_R10X6G10X6_UNORM_2PACK16,Jn as VK_FORMAT_R10X6_UNORM_PACK16,ii as VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16,ni as VK_FORMAT_R12X4G12X4_UNORM_2PACK16,ei as VK_FORMAT_R12X4_UNORM_PACK16,ue as VK_FORMAT_R16G16B16A16_SFLOAT,_e as VK_FORMAT_R16G16B16A16_SINT,he as VK_FORMAT_R16G16B16A16_SNORM,pe as VK_FORMAT_R16G16B16A16_UINT,Ue as VK_FORMAT_R16G16B16A16_UNORM,ce as VK_FORMAT_R16G16B16_SFLOAT,fe as VK_FORMAT_R16G16B16_SINT,oe as VK_FORMAT_R16G16B16_SNORM,le as VK_FORMAT_R16G16B16_UINT,re as VK_FORMAT_R16G16B16_UNORM,ae as VK_FORMAT_R16G16_SFLOAT,se as VK_FORMAT_R16G16_SINT,ne as VK_FORMAT_R16G16_SNORM,ie as VK_FORMAT_R16G16_UINT,ee as VK_FORMAT_R16G16_UNORM,te as VK_FORMAT_R16_SFLOAT,$t as VK_FORMAT_R16_SINT,Qt as VK_FORMAT_R16_SNORM,Zt as VK_FORMAT_R16_UINT,Jt as VK_FORMAT_R16_UNORM,Ae as VK_FORMAT_R32G32B32A32_SFLOAT,Le as VK_FORMAT_R32G32B32A32_SINT,Be as VK_FORMAT_R32G32B32A32_UINT,ve as VK_FORMAT_R32G32B32_SFLOAT,we as VK_FORMAT_R32G32B32_SINT,De as VK_FORMAT_R32G32B32_UINT,de as VK_FORMAT_R32G32_SFLOAT,me as VK_FORMAT_R32G32_SINT,be as VK_FORMAT_R32G32_UINT,ye as VK_FORMAT_R32_SFLOAT,xe as VK_FORMAT_R32_SINT,ge as VK_FORMAT_R32_UINT,at as VK_FORMAT_R4G4B4A4_UNORM_PACK16,st as VK_FORMAT_R4G4_UNORM_PACK8,ft as VK_FORMAT_R5G5B5A1_UNORM_PACK16,ot as VK_FORMAT_R5G6B5_UNORM_PACK16,Ne as VK_FORMAT_R64G64B64A64_SFLOAT,Me as VK_FORMAT_R64G64B64A64_SINT,Pe as VK_FORMAT_R64G64B64A64_UINT,Ee as VK_FORMAT_R64G64B64_SFLOAT,Se as VK_FORMAT_R64G64B64_SINT,Te as VK_FORMAT_R64G64B64_UINT,Oe as VK_FORMAT_R64G64_SFLOAT,Fe as VK_FORMAT_R64G64_SINT,Ce as VK_FORMAT_R64G64_UINT,Ve as VK_FORMAT_R64_SFLOAT,Ie as VK_FORMAT_R64_SINT,ke as VK_FORMAT_R64_UINT,St as VK_FORMAT_R8G8B8A8_SINT,Ot as VK_FORMAT_R8G8B8A8_SNORM,Et as VK_FORMAT_R8G8B8A8_SRGB,Tt as VK_FORMAT_R8G8B8A8_UINT,Ft as VK_FORMAT_R8G8B8A8_UNORM,Bt as VK_FORMAT_R8G8B8_SINT,wt as VK_FORMAT_R8G8B8_SNORM,Lt as VK_FORMAT_R8G8B8_SRGB,vt as VK_FORMAT_R8G8B8_UINT,Dt as VK_FORMAT_R8G8B8_UNORM,mt as VK_FORMAT_R8G8_SINT,yt as VK_FORMAT_R8G8_SNORM,dt as VK_FORMAT_R8G8_SRGB,bt as VK_FORMAT_R8G8_UINT,xt as VK_FORMAT_R8G8_UNORM,ut as VK_FORMAT_R8_SINT,pt as VK_FORMAT_R8_SNORM,gt as VK_FORMAT_R8_SRGB,_t as VK_FORMAT_R8_UINT,ht as VK_FORMAT_R8_UNORM,Xe as VK_FORMAT_S8_UINT,it as VK_FORMAT_UNDEFINED,je as VK_FORMAT_X8_D24_UNORM_PACK32,Vi as createDefaultContainer,Mi as read,Hi as write}; diff --git a/node_modules/three/examples/jsm/libs/lil-gui.module.min.js b/node_modules/three/examples/jsm/libs/lil-gui.module.min.js new file mode 100644 index 0000000..c76a5ef --- /dev/null +++ b/node_modules/three/examples/jsm/libs/lil-gui.module.min.js @@ -0,0 +1,8 @@ +/** + * lil-gui + * https://lil-gui.georgealways.com + * @version 0.17.0 + * @author George Michael Brower + * @license MIT + */ +class t{constructor(i,e,s,n,l="div"){this.parent=i,this.object=e,this.property=s,this._disabled=!1,this._hidden=!1,this.initialValue=this.getValue(),this.domElement=document.createElement("div"),this.domElement.classList.add("controller"),this.domElement.classList.add(n),this.$name=document.createElement("div"),this.$name.classList.add("name"),t.nextNameID=t.nextNameID||0,this.$name.id="lil-gui-name-"+ ++t.nextNameID,this.$widget=document.createElement(l),this.$widget.classList.add("widget"),this.$disable=this.$widget,this.domElement.appendChild(this.$name),this.domElement.appendChild(this.$widget),this.parent.children.push(this),this.parent.controllers.push(this),this.parent.$children.appendChild(this.domElement),this._listenCallback=this._listenCallback.bind(this),this.name(s)}name(t){return this._name=t,this.$name.innerHTML=t,this}onChange(t){return this._onChange=t,this}_callOnChange(){this.parent._callOnChange(this),void 0!==this._onChange&&this._onChange.call(this,this.getValue()),this._changed=!0}onFinishChange(t){return this._onFinishChange=t,this}_callOnFinishChange(){this._changed&&(this.parent._callOnFinishChange(this),void 0!==this._onFinishChange&&this._onFinishChange.call(this,this.getValue())),this._changed=!1}reset(){return this.setValue(this.initialValue),this._callOnFinishChange(),this}enable(t=!0){return this.disable(!t)}disable(t=!0){return t===this._disabled||(this._disabled=t,this.domElement.classList.toggle("disabled",t),this.$disable.toggleAttribute("disabled",t)),this}show(t=!0){return this._hidden=!t,this.domElement.style.display=this._hidden?"none":"",this}hide(){return this.show(!1)}options(t){const i=this.parent.add(this.object,this.property,t);return i.name(this._name),this.destroy(),i}min(t){return this}max(t){return this}step(t){return this}decimals(t){return this}listen(t=!0){return this._listening=t,void 0!==this._listenCallbackID&&(cancelAnimationFrame(this._listenCallbackID),this._listenCallbackID=void 0),this._listening&&this._listenCallback(),this}_listenCallback(){this._listenCallbackID=requestAnimationFrame(this._listenCallback);const t=this.save();t!==this._listenPrevValue&&this.updateDisplay(),this._listenPrevValue=t}getValue(){return this.object[this.property]}setValue(t){return this.object[this.property]=t,this._callOnChange(),this.updateDisplay(),this}updateDisplay(){return this}load(t){return this.setValue(t),this._callOnFinishChange(),this}save(){return this.getValue()}destroy(){this.listen(!1),this.parent.children.splice(this.parent.children.indexOf(this),1),this.parent.controllers.splice(this.parent.controllers.indexOf(this),1),this.parent.$children.removeChild(this.domElement)}}class i extends t{constructor(t,i,e){super(t,i,e,"boolean","label"),this.$input=document.createElement("input"),this.$input.setAttribute("type","checkbox"),this.$input.setAttribute("aria-labelledby",this.$name.id),this.$widget.appendChild(this.$input),this.$input.addEventListener("change",()=>{this.setValue(this.$input.checked),this._callOnFinishChange()}),this.$disable=this.$input,this.updateDisplay()}updateDisplay(){return this.$input.checked=this.getValue(),this}}function e(t){let i,e;return(i=t.match(/(#|0x)?([a-f0-9]{6})/i))?e=i[2]:(i=t.match(/rgb\(\s*(\d*)\s*,\s*(\d*)\s*,\s*(\d*)\s*\)/))?e=parseInt(i[1]).toString(16).padStart(2,0)+parseInt(i[2]).toString(16).padStart(2,0)+parseInt(i[3]).toString(16).padStart(2,0):(i=t.match(/^#?([a-f0-9])([a-f0-9])([a-f0-9])$/i))&&(e=i[1]+i[1]+i[2]+i[2]+i[3]+i[3]),!!e&&"#"+e}const s={isPrimitive:!0,match:t=>"string"==typeof t,fromHexString:e,toHexString:e},n={isPrimitive:!0,match:t=>"number"==typeof t,fromHexString:t=>parseInt(t.substring(1),16),toHexString:t=>"#"+t.toString(16).padStart(6,0)},l={isPrimitive:!1,match:Array.isArray,fromHexString(t,i,e=1){const s=n.fromHexString(t);i[0]=(s>>16&255)/255*e,i[1]=(s>>8&255)/255*e,i[2]=(255&s)/255*e},toHexString:([t,i,e],s=1)=>n.toHexString(t*(s=255/s)<<16^i*s<<8^e*s<<0)},r={isPrimitive:!1,match:t=>Object(t)===t,fromHexString(t,i,e=1){const s=n.fromHexString(t);i.r=(s>>16&255)/255*e,i.g=(s>>8&255)/255*e,i.b=(255&s)/255*e},toHexString:({r:t,g:i,b:e},s=1)=>n.toHexString(t*(s=255/s)<<16^i*s<<8^e*s<<0)},o=[s,n,l,r];class a extends t{constructor(t,i,s,n){var l;super(t,i,s,"color"),this.$input=document.createElement("input"),this.$input.setAttribute("type","color"),this.$input.setAttribute("tabindex",-1),this.$input.setAttribute("aria-labelledby",this.$name.id),this.$text=document.createElement("input"),this.$text.setAttribute("type","text"),this.$text.setAttribute("spellcheck","false"),this.$text.setAttribute("aria-labelledby",this.$name.id),this.$display=document.createElement("div"),this.$display.classList.add("display"),this.$display.appendChild(this.$input),this.$widget.appendChild(this.$display),this.$widget.appendChild(this.$text),this._format=(l=this.initialValue,o.find(t=>t.match(l))),this._rgbScale=n,this._initialValueHexString=this.save(),this._textFocused=!1,this.$input.addEventListener("input",()=>{this._setValueFromHexString(this.$input.value)}),this.$input.addEventListener("blur",()=>{this._callOnFinishChange()}),this.$text.addEventListener("input",()=>{const t=e(this.$text.value);t&&this._setValueFromHexString(t)}),this.$text.addEventListener("focus",()=>{this._textFocused=!0,this.$text.select()}),this.$text.addEventListener("blur",()=>{this._textFocused=!1,this.updateDisplay(),this._callOnFinishChange()}),this.$disable=this.$text,this.updateDisplay()}reset(){return this._setValueFromHexString(this._initialValueHexString),this}_setValueFromHexString(t){if(this._format.isPrimitive){const i=this._format.fromHexString(t);this.setValue(i)}else this._format.fromHexString(t,this.getValue(),this._rgbScale),this._callOnChange(),this.updateDisplay()}save(){return this._format.toHexString(this.getValue(),this._rgbScale)}load(t){return this._setValueFromHexString(t),this._callOnFinishChange(),this}updateDisplay(){return this.$input.value=this._format.toHexString(this.getValue(),this._rgbScale),this._textFocused||(this.$text.value=this.$input.value.substring(1)),this.$display.style.backgroundColor=this.$input.value,this}}class h extends t{constructor(t,i,e){super(t,i,e,"function"),this.$button=document.createElement("button"),this.$button.appendChild(this.$name),this.$widget.appendChild(this.$button),this.$button.addEventListener("click",t=>{t.preventDefault(),this.getValue().call(this.object)}),this.$button.addEventListener("touchstart",()=>{},{passive:!0}),this.$disable=this.$button}}class d extends t{constructor(t,i,e,s,n,l){super(t,i,e,"number"),this._initInput(),this.min(s),this.max(n);const r=void 0!==l;this.step(r?l:this._getImplicitStep(),r),this.updateDisplay()}decimals(t){return this._decimals=t,this.updateDisplay(),this}min(t){return this._min=t,this._onUpdateMinMax(),this}max(t){return this._max=t,this._onUpdateMinMax(),this}step(t,i=!0){return this._step=t,this._stepExplicit=i,this}updateDisplay(){const t=this.getValue();if(this._hasSlider){let i=(t-this._min)/(this._max-this._min);i=Math.max(0,Math.min(i,1)),this.$fill.style.width=100*i+"%"}return this._inputFocused||(this.$input.value=void 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t=parseFloat(this.$input.value);isNaN(t)||(this._stepExplicit&&(t=this._snap(t)),this.setValue(this._clamp(t)))}),this.$input.addEventListener("keydown",i=>{"Enter"===i.code&&this.$input.blur(),"ArrowUp"===i.code&&(i.preventDefault(),t(this._step*this._arrowKeyMultiplier(i))),"ArrowDown"===i.code&&(i.preventDefault(),t(this._step*this._arrowKeyMultiplier(i)*-1))}),this.$input.addEventListener("wheel",i=>{this._inputFocused&&(i.preventDefault(),t(this._step*this._normalizeMouseWheel(i)))},{passive:!1}),this.$input.addEventListener("mousedown",t=>{i=t.clientX,e=s=t.clientY,r=!0,n=this.getValue(),l=0,window.addEventListener("mousemove",o),window.addEventListener("mouseup",a)}),this.$input.addEventListener("focus",()=>{this._inputFocused=!0}),this.$input.addEventListener("blur",()=>{this._inputFocused=!1,this.updateDisplay(),this._callOnFinishChange()})}_initSlider(){this._hasSlider=!0,this.$slider=document.createElement("div"),this.$slider.classList.add("slider"),this.$fill=document.createElement("div"),this.$fill.classList.add("fill"),this.$slider.appendChild(this.$fill),this.$widget.insertBefore(this.$slider,this.$input),this.domElement.classList.add("hasSlider");const t=t=>{const i=this.$slider.getBoundingClientRect();let e=(s=t,n=i.left,l=i.right,r=this._min,o=this._max,(s-n)/(l-n)*(o-r)+r);var s,n,l,r,o;this._snapClampSetValue(e)},i=i=>{t(i.clientX)},e=()=>{this._callOnFinishChange(),this._setDraggingStyle(!1),window.removeEventListener("mousemove",i),window.removeEventListener("mouseup",e)};let s,n,l=!1;const r=i=>{i.preventDefault(),this._setDraggingStyle(!0),t(i.touches[0].clientX),l=!1},o=i=>{if(l){const t=i.touches[0].clientX-s,e=i.touches[0].clientY-n;Math.abs(t)>Math.abs(e)?r(i):(window.removeEventListener("touchmove",o),window.removeEventListener("touchend",a))}else i.preventDefault(),t(i.touches[0].clientX)},a=()=>{this._callOnFinishChange(),this._setDraggingStyle(!1),window.removeEventListener("touchmove",o),window.removeEventListener("touchend",a)},h=this._callOnFinishChange.bind(this);let d;this.$slider.addEventListener("mousedown",s=>{this._setDraggingStyle(!0),t(s.clientX),window.addEventListener("mousemove",i),window.addEventListener("mouseup",e)}),this.$slider.addEventListener("touchstart",t=>{t.touches.length>1||(this._hasScrollBar?(s=t.touches[0].clientX,n=t.touches[0].clientY,l=!0):r(t),window.addEventListener("touchmove",o,{passive:!1}),window.addEventListener("touchend",a))},{passive:!1}),this.$slider.addEventListener("wheel",t=>{if(Math.abs(t.deltaX)this._max&&(t=this._max),t}_snapClampSetValue(t){this.setValue(this._clamp(this._snap(t)))}get _hasScrollBar(){const t=this.parent.root.$children;return t.scrollHeight>t.clientHeight}get _hasMin(){return void 0!==this._min}get _hasMax(){return void 0!==this._max}}class c extends t{constructor(t,i,e,s){super(t,i,e,"option"),this.$select=document.createElement("select"),this.$select.setAttribute("aria-labelledby",this.$name.id),this.$display=document.createElement("div"),this.$display.classList.add("display"),this._values=Array.isArray(s)?s:Object.values(s),this._names=Array.isArray(s)?s:Object.keys(s),this._names.forEach(t=>{const i=document.createElement("option");i.innerHTML=t,this.$select.appendChild(i)}),this.$select.addEventListener("change",()=>{this.setValue(this._values[this.$select.selectedIndex]),this._callOnFinishChange()}),this.$select.addEventListener("focus",()=>{this.$display.classList.add("focus")}),this.$select.addEventListener("blur",()=>{this.$display.classList.remove("focus")}),this.$widget.appendChild(this.$select),this.$widget.appendChild(this.$display),this.$disable=this.$select,this.updateDisplay()}updateDisplay(){const t=this.getValue(),i=this._values.indexOf(t);return this.$select.selectedIndex=i,this.$display.innerHTML=-1===i?t:this._names[i],this}}class u extends t{constructor(t,i,e){super(t,i,e,"string"),this.$input=document.createElement("input"),this.$input.setAttribute("type","text"),this.$input.setAttribute("aria-labelledby",this.$name.id),this.$input.addEventListener("input",()=>{this.setValue(this.$input.value)}),this.$input.addEventListener("keydown",t=>{"Enter"===t.code&&this.$input.blur()}),this.$input.addEventListener("blur",()=>{this._callOnFinishChange()}),this.$widget.appendChild(this.$input),this.$disable=this.$input,this.updateDisplay()}updateDisplay(){return this.$input.value=this.getValue(),this}}let p=!1;class g{constructor({parent:t,autoPlace:i=void 0===t,container:e,width:s,title:n="Controls",injectStyles:l=!0,touchStyles:r=!0}={}){if(this.parent=t,this.root=t?t.root:this,this.children=[],this.controllers=[],this.folders=[],this._closed=!1,this._hidden=!1,this.domElement=document.createElement("div"),this.domElement.classList.add("lil-gui"),this.$title=document.createElement("div"),this.$title.classList.add("title"),this.$title.setAttribute("role","button"),this.$title.setAttribute("aria-expanded",!0),this.$title.setAttribute("tabindex",0),this.$title.addEventListener("click",()=>this.openAnimated(this._closed)),this.$title.addEventListener("keydown",t=>{"Enter"!==t.code&&"Space"!==t.code||(t.preventDefault(),this.$title.click())}),this.$title.addEventListener("touchstart",()=>{},{passive:!0}),this.$children=document.createElement("div"),this.$children.classList.add("children"),this.domElement.appendChild(this.$title),this.domElement.appendChild(this.$children),this.title(n),r&&this.domElement.classList.add("allow-touch-styles"),this.parent)return this.parent.children.push(this),this.parent.folders.push(this),void this.parent.$children.appendChild(this.domElement);this.domElement.classList.add("root"),!p&&l&&(!function(t){const i=document.createElement("style");i.innerHTML=t;const e=document.querySelector("head link[rel=stylesheet], head style");e?document.head.insertBefore(i,e):document.head.appendChild(i)}('.lil-gui{--background-color:#1f1f1f;--text-color:#ebebeb;--title-background-color:#111;--title-text-color:#ebebeb;--widget-color:#424242;--hover-color:#4f4f4f;--focus-color:#595959;--number-color:#2cc9ff;--string-color:#a2db3c;--font-size:11px;--input-font-size:11px;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;--font-family-mono:Menlo,Monaco,Consolas,"Droid Sans 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format("woff")}@media (pointer:coarse){.lil-gui.allow-touch-styles{--widget-height:28px;--padding:6px;--spacing:6px;--font-size:13px;--input-font-size:16px;--folder-indent:10px;--scrollbar-width:7px;--slider-input-min-width:50px;--color-input-min-width:65px}}@media (hover:hover){.lil-gui .controller.color .display:hover:before{border:1px solid #fff9;border-radius:var(--widget-border-radius);bottom:0;content:" ";display:block;left:0;position:absolute;right:0;top:0}.lil-gui .controller.option .display.focus{background:var(--focus-color)}.lil-gui .controller.option .widget:hover .display{background:var(--hover-color)}.lil-gui .controller.number .slider:hover{background-color:var(--hover-color)}body:not(.lil-gui-dragging) .lil-gui .title:hover{background:var(--title-background-color);opacity:.85}.lil-gui .title:focus{text-decoration:underline var(--focus-color)}.lil-gui input:hover{background:var(--hover-color)}.lil-gui input:active{background:var(--focus-color)}.lil-gui input[type=checkbox]:focus{box-shadow:inset 0 0 0 1px var(--focus-color)}.lil-gui button:hover{background:var(--hover-color);border-color:var(--hover-color)}.lil-gui button:focus{border-color:var(--focus-color)}}'),p=!0),e?e.appendChild(this.domElement):i&&(this.domElement.classList.add("autoPlace"),document.body.appendChild(this.domElement)),s&&this.domElement.style.setProperty("--width",s+"px"),this.domElement.addEventListener("keydown",t=>t.stopPropagation()),this.domElement.addEventListener("keyup",t=>t.stopPropagation())}add(t,e,s,n,l){if(Object(s)===s)return new c(this,t,e,s);const r=t[e];switch(typeof r){case"number":return new d(this,t,e,s,n,l);case"boolean":return new i(this,t,e);case"string":return new u(this,t,e);case"function":return new h(this,t,e)}console.error("gui.add failed\n\tproperty:",e,"\n\tobject:",t,"\n\tvalue:",r)}addColor(t,i,e=1){return new a(this,t,i,e)}addFolder(t){return new g({parent:this,title:t})}load(t,i=!0){return t.controllers&&this.controllers.forEach(i=>{i instanceof h||i._name in t.controllers&&i.load(t.controllers[i._name])}),i&&t.folders&&this.folders.forEach(i=>{i._title in t.folders&&i.load(t.folders[i._title])}),this}save(t=!0){const i={controllers:{},folders:{}};return this.controllers.forEach(t=>{if(!(t instanceof h)){if(t._name in i.controllers)throw new Error(`Cannot save GUI with duplicate property "${t._name}"`);i.controllers[t._name]=t.save()}}),t&&this.folders.forEach(t=>{if(t._title in i.folders)throw new Error(`Cannot save GUI with duplicate folder "${t._title}"`);i.folders[t._title]=t.save()}),i}open(t=!0){return this._closed=!t,this.$title.setAttribute("aria-expanded",!this._closed),this.domElement.classList.toggle("closed",this._closed),this}close(){return this.open(!1)}show(t=!0){return this._hidden=!t,this.domElement.style.display=this._hidden?"none":"",this}hide(){return this.show(!1)}openAnimated(t=!0){return this._closed=!t,this.$title.setAttribute("aria-expanded",!this._closed),requestAnimationFrame(()=>{const i=this.$children.clientHeight;this.$children.style.height=i+"px",this.domElement.classList.add("transition");const e=t=>{t.target===this.$children&&(this.$children.style.height="",this.domElement.classList.remove("transition"),this.$children.removeEventListener("transitionend",e))};this.$children.addEventListener("transitionend",e);const s=t?this.$children.scrollHeight:0;this.domElement.classList.toggle("closed",!t),requestAnimationFrame(()=>{this.$children.style.height=s+"px"})}),this}title(t){return this._title=t,this.$title.innerHTML=t,this}reset(t=!0){return(t?this.controllersRecursive():this.controllers).forEach(t=>t.reset()),this}onChange(t){return this._onChange=t,this}_callOnChange(t){this.parent&&this.parent._callOnChange(t),void 0!==this._onChange&&this._onChange.call(this,{object:t.object,property:t.property,value:t.getValue(),controller:t})}onFinishChange(t){return this._onFinishChange=t,this}_callOnFinishChange(t){this.parent&&this.parent._callOnFinishChange(t),void 0!==this._onFinishChange&&this._onFinishChange.call(this,{object:t.object,property:t.property,value:t.getValue(),controller:t})}destroy(){this.parent&&(this.parent.children.splice(this.parent.children.indexOf(this),1),this.parent.folders.splice(this.parent.folders.indexOf(this),1)),this.domElement.parentElement&&this.domElement.parentElement.removeChild(this.domElement),Array.from(this.children).forEach(t=>t.destroy())}controllersRecursive(){let t=Array.from(this.controllers);return this.folders.forEach(i=>{t=t.concat(i.controllersRecursive())}),t}foldersRecursive(){let t=Array.from(this.folders);return this.folders.forEach(i=>{t=t.concat(i.foldersRecursive())}),t}}export default g;export{i as BooleanController,a as ColorController,t as Controller,h as FunctionController,g as GUI,d as NumberController,c as OptionController,u as StringController}; diff --git a/node_modules/three/examples/jsm/libs/lottie_canvas.module.js b/node_modules/three/examples/jsm/libs/lottie_canvas.module.js new file mode 100644 index 0000000..512a84c --- /dev/null +++ b/node_modules/three/examples/jsm/libs/lottie_canvas.module.js @@ -0,0 +1,14849 @@ +const lottie = {}; + +if (typeof document !== 'undefined') { + +const svgNS = 'http://www.w3.org/2000/svg'; + +let locationHref = ''; +let _useWebWorker = false; + +const initialDefaultFrame = -999999; + +const setWebWorker = (flag) => { _useWebWorker = !!flag; }; +const getWebWorker = () => _useWebWorker; + +const setLocationHref = (value) => { locationHref = value; }; +const getLocationHref = () => locationHref; + +function createTag(type) { + // return {appendChild:function(){},setAttribute:function(){},style:{}} + return document.createElement(type); +} + +function extendPrototype(sources, destination) { + var i; + var len = sources.length; + var sourcePrototype; + for (i = 0; i < len; i += 1) { + sourcePrototype = sources[i].prototype; + for (var attr in sourcePrototype) { + if (Object.prototype.hasOwnProperty.call(sourcePrototype, attr)) destination.prototype[attr] = sourcePrototype[attr]; + } + } +} + +function getDescriptor(object, prop) { + return Object.getOwnPropertyDescriptor(object, prop); +} + +function createProxyFunction(prototype) { + function ProxyFunction() {} + ProxyFunction.prototype = prototype; + return ProxyFunction; +} + +// import Howl from '../../3rd_party/howler'; + +const audioControllerFactory = (function () { + function AudioController(audioFactory) { + this.audios = []; + this.audioFactory = audioFactory; + this._volume = 1; + this._isMuted = false; + } + + AudioController.prototype = { + addAudio: function (audio) { + this.audios.push(audio); + }, + pause: function () { + var i; + var len = this.audios.length; + for (i = 0; i < len; i += 1) { + this.audios[i].pause(); + } + }, + resume: function () { + var i; + var len = this.audios.length; + for (i = 0; i < len; i += 1) { + this.audios[i].resume(); + } + }, + setRate: function (rateValue) { + var i; + var len = this.audios.length; + for (i = 0; i < len; i += 1) { + this.audios[i].setRate(rateValue); + } + }, + createAudio: function (assetPath) { + if (this.audioFactory) { + return this.audioFactory(assetPath); + } if (window.Howl) { + return new window.Howl({ + src: [assetPath], + }); + } + return { + isPlaying: false, + play: function () { this.isPlaying = true; }, + seek: function () { this.isPlaying = false; }, + playing: function () {}, + rate: function () {}, + setVolume: function () {}, + }; + }, + setAudioFactory: function (audioFactory) { + this.audioFactory = audioFactory; + }, + setVolume: function (value) { + this._volume = value; + this._updateVolume(); + }, + mute: function () { + this._isMuted = true; + this._updateVolume(); + }, + unmute: function () { + this._isMuted = false; + this._updateVolume(); + }, + getVolume: function () { + return this._volume; + }, + _updateVolume: function () { + var i; + var len = this.audios.length; + for (i = 0; i < len; i += 1) { + this.audios[i].volume(this._volume * (this._isMuted ? 0 : 1)); + } + }, + }; + + return function () { + return new AudioController(); + }; +}()); + +const createTypedArray = (function () { + function createRegularArray(type, len) { + var i = 0; + var arr = []; + var value; + switch (type) { + case 'int16': + case 'uint8c': + value = 1; + break; + default: + value = 1.1; + break; + } + for (i = 0; i < len; i += 1) { + arr.push(value); + } + return arr; + } + function createTypedArrayFactory(type, len) { + if (type === 'float32') { + return new Float32Array(len); + } if (type === 'int16') { + return new Int16Array(len); + } if (type === 'uint8c') { + return new Uint8ClampedArray(len); + } + return createRegularArray(type, len); + } + if (typeof Uint8ClampedArray === 'function' && typeof Float32Array === 'function') { + return createTypedArrayFactory; + } + return createRegularArray; +}()); + +function createSizedArray(len) { + return Array.apply(null, { length: len }); +} + +let subframeEnabled = true; +let expressionsPlugin = null; +let idPrefix$1 = ''; +const isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent); +let _shouldRoundValues = false; +const bmPow = Math.pow; +const bmSqrt = Math.sqrt; +const bmFloor = Math.floor; +const bmMax = Math.max; +const bmMin = Math.min; + +const BMMath = {}; +(function () { + var propertyNames = ['abs', 'acos', 'acosh', 'asin', 'asinh', 'atan', 'atanh', 'atan2', 'ceil', 'cbrt', 'expm1', 'clz32', 'cos', 'cosh', 'exp', 'floor', 'fround', 'hypot', 'imul', 'log', 'log1p', 'log2', 'log10', 'max', 'min', 'pow', 'random', 'round', 'sign', 'sin', 'sinh', 'sqrt', 'tan', 'tanh', 'trunc', 'E', 'LN10', 'LN2', 'LOG10E', 'LOG2E', 'PI', 'SQRT1_2', 'SQRT2']; + var i; + var len = propertyNames.length; + for (i = 0; i < len; i += 1) { + BMMath[propertyNames[i]] = Math[propertyNames[i]]; + } +}()); + +function ProjectInterface$1() { return {}; } +BMMath.random = Math.random; +BMMath.abs = function (val) { + var tOfVal = typeof val; + if (tOfVal === 'object' && val.length) { + var absArr = createSizedArray(val.length); + var i; + var len = val.length; + for (i = 0; i < len; i += 1) { + absArr[i] = Math.abs(val[i]); + } + return absArr; + } + return Math.abs(val); +}; +let defaultCurveSegments = 150; +const degToRads = Math.PI / 180; +const roundCorner = 0.5519; + +function roundValues(flag) { + _shouldRoundValues = !!flag; +} + +function bmRnd(value) { + if (_shouldRoundValues) { + return Math.round(value); + } + return value; +} + +function styleDiv(element) { + element.style.position = 'absolute'; + element.style.top = 0; + element.style.left = 0; + element.style.display = 'block'; + element.style.transformOrigin = '0 0'; + element.style.webkitTransformOrigin = '0 0'; + element.style.backfaceVisibility = 'visible'; + element.style.webkitBackfaceVisibility = 'visible'; + element.style.transformStyle = 'preserve-3d'; + element.style.webkitTransformStyle = 'preserve-3d'; + element.style.mozTransformStyle = 'preserve-3d'; +} + +function BMEnterFrameEvent(type, currentTime, totalTime, frameMultiplier) { + this.type = type; + this.currentTime = currentTime; + this.totalTime = totalTime; + this.direction = frameMultiplier < 0 ? -1 : 1; +} + +function BMCompleteEvent(type, frameMultiplier) { + this.type = type; + this.direction = frameMultiplier < 0 ? -1 : 1; +} + +function BMCompleteLoopEvent(type, totalLoops, currentLoop, frameMultiplier) { + this.type = type; + this.currentLoop = currentLoop; + this.totalLoops = totalLoops; + this.direction = frameMultiplier < 0 ? -1 : 1; +} + +function BMSegmentStartEvent(type, firstFrame, totalFrames) { + this.type = type; + this.firstFrame = firstFrame; + this.totalFrames = totalFrames; +} + +function BMDestroyEvent(type, target) { + this.type = type; + this.target = target; +} + +function BMRenderFrameErrorEvent(nativeError, currentTime) { + this.type = 'renderFrameError'; + this.nativeError = nativeError; + this.currentTime = currentTime; +} + +function BMConfigErrorEvent(nativeError) { + this.type = 'configError'; + this.nativeError = nativeError; +} + +function BMAnimationConfigErrorEvent(type, nativeError) { + this.type = type; + this.nativeError = nativeError; +} + +const createElementID = (function () { + var _count = 0; + return function createID() { + _count += 1; + return idPrefix$1 + '__lottie_element_' + _count; + }; +}()); + +function HSVtoRGB(h, s, v) { + var r; + var g; + var b; + var i; + var f; + var p; + var q; + var t; + i = Math.floor(h * 6); + f = h * 6 - i; + p = v * (1 - s); + q = v * (1 - f * s); + t = v * (1 - (1 - f) * s); + switch (i % 6) { + case 0: r = v; g = t; b = p; break; + case 1: r = q; g = v; b = p; break; + case 2: r = p; g = v; b = t; break; + case 3: r = p; g = q; b = v; break; + case 4: r = t; g = p; b = v; break; + case 5: r = v; g = p; b = q; break; + default: break; + } + return [r, + g, + b]; +} + +function RGBtoHSV(r, g, b) { + var max = Math.max(r, g, b); + var min = Math.min(r, g, b); + var d = max - min; + var h; + var s = (max === 0 ? 0 : d / max); + var v = max / 255; + + switch (max) { + case min: h = 0; break; + case r: h = (g - b) + d * (g < b ? 6 : 0); h /= 6 * d; break; + case g: h = (b - r) + d * 2; h /= 6 * d; break; + case b: h = (r - g) + d * 4; h /= 6 * d; break; + default: break; + } + + return [ + h, + s, + v, + ]; +} + +function addSaturationToRGB(color, offset) { + var hsv = RGBtoHSV(color[0] * 255, color[1] * 255, color[2] * 255); + hsv[1] += offset; + if (hsv[1] > 1) { + hsv[1] = 1; + } else if (hsv[1] <= 0) { + hsv[1] = 0; + } + return HSVtoRGB(hsv[0], hsv[1], hsv[2]); +} + +function addBrightnessToRGB(color, offset) { + var hsv = RGBtoHSV(color[0] * 255, color[1] * 255, color[2] * 255); + hsv[2] += offset; + if (hsv[2] > 1) { + hsv[2] = 1; + } else if (hsv[2] < 0) { + hsv[2] = 0; + } + return HSVtoRGB(hsv[0], hsv[1], hsv[2]); +} + +function addHueToRGB(color, offset) { + var hsv = RGBtoHSV(color[0] * 255, color[1] * 255, color[2] * 255); + hsv[0] += offset / 360; + if (hsv[0] > 1) { + hsv[0] -= 1; + } else if (hsv[0] < 0) { + hsv[0] += 1; + } + return HSVtoRGB(hsv[0], hsv[1], hsv[2]); +} + +const rgbToHex = (function () { + var colorMap = []; + var i; + var hex; + for (i = 0; i < 256; i += 1) { + hex = i.toString(16); + colorMap[i] = hex.length === 1 ? '0' + hex : hex; + } + + return function (r, g, b) { + if (r < 0) { + r = 0; + } + if (g < 0) { + g = 0; + } + if (b < 0) { + b = 0; + } + return '#' + colorMap[r] + colorMap[g] + colorMap[b]; + }; +}()); + +const setSubframeEnabled = (flag) => { subframeEnabled = !!flag; }; +const getSubframeEnabled = () => subframeEnabled; +const setExpressionsPlugin = (value) => { expressionsPlugin = value; }; +const getExpressionsPlugin = () => expressionsPlugin; +const setDefaultCurveSegments = (value) => { defaultCurveSegments = value; }; +const getDefaultCurveSegments = () => defaultCurveSegments; +const setIdPrefix = (value) => { idPrefix$1 = value; }; +const getIdPrefix = () => idPrefix$1; + +function createNS(type) { + // return {appendChild:function(){},setAttribute:function(){},style:{}} + return document.createElementNS(svgNS, type); +} + +const dataManager = (function () { + var _counterId = 1; + var processes = []; + var workerFn; + var workerInstance; + var workerProxy = { + onmessage: function () { + + }, + postMessage: function (path) { + workerFn({ + data: path, + }); + }, + }; + var _workerSelf = { + postMessage: function (data) { + workerProxy.onmessage({ + data: data, + }); + }, + }; + function createWorker(fn) { + if (window.Worker && window.Blob && getWebWorker()) { + var blob = new Blob(['var _workerSelf = self; self.onmessage = ', fn.toString()], { type: 'text/javascript' }); + // var blob = new Blob(['self.onmessage = ', fn.toString()], { type: 'text/javascript' }); + var url = URL.createObjectURL(blob); + return new Worker(url); + } + workerFn = fn; + return workerProxy; + } + + function setupWorker() { + if (!workerInstance) { + workerInstance = createWorker(function workerStart(e) { + function dataFunctionManager() { + function completeLayers(layers, comps) { + var layerData; + var i; + var len = layers.length; + var j; + var jLen; + var k; + var kLen; + for (i = 0; i < len; i += 1) { + layerData = layers[i]; + if (('ks' in layerData) && !layerData.completed) { + layerData.completed = true; + if (layerData.tt) { + layers[i - 1].td = layerData.tt; + } + if (layerData.hasMask) { + var maskProps = layerData.masksProperties; + jLen = maskProps.length; + for (j = 0; j < jLen; j += 1) { + if (maskProps[j].pt.k.i) { + convertPathsToAbsoluteValues(maskProps[j].pt.k); + } else { + kLen = maskProps[j].pt.k.length; + for (k = 0; k < kLen; k += 1) { + if (maskProps[j].pt.k[k].s) { + convertPathsToAbsoluteValues(maskProps[j].pt.k[k].s[0]); + } + if (maskProps[j].pt.k[k].e) { + convertPathsToAbsoluteValues(maskProps[j].pt.k[k].e[0]); + } + } + } + } + } + if (layerData.ty === 0) { + layerData.layers = findCompLayers(layerData.refId, comps); + completeLayers(layerData.layers, comps); + } else if (layerData.ty === 4) { + completeShapes(layerData.shapes); + } else if (layerData.ty === 5) { + completeText(layerData); + } + } + } + } + + function completeChars(chars, assets) { + if (chars) { + var i = 0; + var len = chars.length; + for (i = 0; i < len; i += 1) { + if (chars[i].t === 1) { + // var compData = findComp(chars[i].data.refId, assets); + chars[i].data.layers = findCompLayers(chars[i].data.refId, assets); + // chars[i].data.ip = 0; + // chars[i].data.op = 99999; + // chars[i].data.st = 0; + // chars[i].data.sr = 1; + // chars[i].w = compData.w; + // chars[i].data.ks = { + // a: { k: [0, 0, 0], a: 0 }, + // p: { k: [0, -compData.h, 0], a: 0 }, + // r: { k: 0, a: 0 }, + // s: { k: [100, 100], a: 0 }, + // o: { k: 100, a: 0 }, + // }; + completeLayers(chars[i].data.layers, assets); + } + } + } + } + + function findComp(id, comps) { + var i = 0; + var len = comps.length; + while (i < len) { + if (comps[i].id === id) { + return comps[i]; + } + i += 1; + } + return null; + } + + function findCompLayers(id, comps) { + var comp = findComp(id, comps); + if (comp) { + if (!comp.layers.__used) { + comp.layers.__used = true; + return comp.layers; + } + return JSON.parse(JSON.stringify(comp.layers)); + } + return null; + } + + function completeShapes(arr) { + var i; + var len = arr.length; + var j; + var jLen; + for (i = len - 1; i >= 0; i -= 1) { + if (arr[i].ty === 'sh') { + if (arr[i].ks.k.i) { + convertPathsToAbsoluteValues(arr[i].ks.k); + } else { + jLen = arr[i].ks.k.length; + for (j = 0; j < jLen; j += 1) { + if (arr[i].ks.k[j].s) { + convertPathsToAbsoluteValues(arr[i].ks.k[j].s[0]); + } + if (arr[i].ks.k[j].e) { + convertPathsToAbsoluteValues(arr[i].ks.k[j].e[0]); + } + } + } + } else if (arr[i].ty === 'gr') { + completeShapes(arr[i].it); + } + } + } + + function convertPathsToAbsoluteValues(path) { + var i; + var len = path.i.length; + for (i = 0; i < len; i += 1) { + path.i[i][0] += path.v[i][0]; + path.i[i][1] += path.v[i][1]; + path.o[i][0] += path.v[i][0]; + path.o[i][1] += path.v[i][1]; + } + } + + function checkVersion(minimum, animVersionString) { + var animVersion = animVersionString ? animVersionString.split('.') : [100, 100, 100]; + if (minimum[0] > animVersion[0]) { + return true; + } if (animVersion[0] > minimum[0]) { + return false; + } + if (minimum[1] > animVersion[1]) { + return true; + } if (animVersion[1] > minimum[1]) { + return false; + } + if (minimum[2] > animVersion[2]) { + return true; + } if (animVersion[2] > minimum[2]) { + return false; + } + return null; + } + + var checkText = (function () { + var minimumVersion = [4, 4, 14]; + + function updateTextLayer(textLayer) { + var documentData = textLayer.t.d; + textLayer.t.d = { + k: [ + { + s: documentData, + t: 0, + }, + ], + }; + } + + function iterateLayers(layers) { + var i; + var len = layers.length; + for (i = 0; i < len; i += 1) { + if (layers[i].ty === 5) { + updateTextLayer(layers[i]); + } + } + } + + return function (animationData) { + if (checkVersion(minimumVersion, animationData.v)) { + iterateLayers(animationData.layers); + if (animationData.assets) { + var i; + var len = animationData.assets.length; + for (i = 0; i < len; i += 1) { + if (animationData.assets[i].layers) { + iterateLayers(animationData.assets[i].layers); + } + } + } + } + }; + }()); + + var checkChars = (function () { + var minimumVersion = [4, 7, 99]; + return function (animationData) { + if (animationData.chars && !checkVersion(minimumVersion, animationData.v)) { + var i; + var len = animationData.chars.length; + for (i = 0; i < len; i += 1) { + var charData = animationData.chars[i]; + if (charData.data && charData.data.shapes) { + completeShapes(charData.data.shapes); + charData.data.ip = 0; + charData.data.op = 99999; + charData.data.st = 0; + charData.data.sr = 1; + charData.data.ks = { + p: { k: [0, 0], a: 0 }, + s: { k: [100, 100], a: 0 }, + a: { k: [0, 0], a: 0 }, + r: { k: 0, a: 0 }, + o: { k: 100, a: 0 }, + }; + if (!animationData.chars[i].t) { + charData.data.shapes.push( + { + ty: 'no', + } + ); + charData.data.shapes[0].it.push( + { + p: { k: [0, 0], a: 0 }, + s: { k: [100, 100], a: 0 }, + a: { k: [0, 0], a: 0 }, + r: { k: 0, a: 0 }, + o: { k: 100, a: 0 }, + sk: { k: 0, a: 0 }, + sa: { k: 0, a: 0 }, + ty: 'tr', + } + ); + } + } + } + } + }; + }()); + + var checkPathProperties = (function () { + var minimumVersion = [5, 7, 15]; + + function updateTextLayer(textLayer) { + var pathData = textLayer.t.p; + if (typeof pathData.a === 'number') { + pathData.a = { + a: 0, + k: pathData.a, + }; + } + if (typeof pathData.p === 'number') { + pathData.p = { + a: 0, + k: pathData.p, + }; + } + if (typeof pathData.r === 'number') { + pathData.r = { + a: 0, + k: pathData.r, + }; + } + } + + function iterateLayers(layers) { + var i; + var len = layers.length; + for (i = 0; i < len; i += 1) { + if (layers[i].ty === 5) { + updateTextLayer(layers[i]); + } + } + } + + return function (animationData) { + if (checkVersion(minimumVersion, animationData.v)) { + iterateLayers(animationData.layers); + if (animationData.assets) { + var i; + var len = animationData.assets.length; + for (i = 0; i < len; i += 1) { + if (animationData.assets[i].layers) { + iterateLayers(animationData.assets[i].layers); + } + } + } + } + }; + }()); + + var checkColors = (function () { + var minimumVersion = [4, 1, 9]; + + function iterateShapes(shapes) { + var i; + var len = shapes.length; + var j; + var jLen; + for (i = 0; i < len; i += 1) { + if (shapes[i].ty === 'gr') { + iterateShapes(shapes[i].it); + } else if (shapes[i].ty === 'fl' || shapes[i].ty === 'st') { + if (shapes[i].c.k && shapes[i].c.k[0].i) { + jLen = shapes[i].c.k.length; + for (j = 0; j < jLen; j += 1) { + if (shapes[i].c.k[j].s) { + shapes[i].c.k[j].s[0] /= 255; + shapes[i].c.k[j].s[1] /= 255; + shapes[i].c.k[j].s[2] /= 255; + shapes[i].c.k[j].s[3] /= 255; + } + if (shapes[i].c.k[j].e) { + shapes[i].c.k[j].e[0] /= 255; + shapes[i].c.k[j].e[1] /= 255; + shapes[i].c.k[j].e[2] /= 255; + shapes[i].c.k[j].e[3] /= 255; + } + } + } else { + shapes[i].c.k[0] /= 255; + shapes[i].c.k[1] /= 255; + shapes[i].c.k[2] /= 255; + shapes[i].c.k[3] /= 255; + } + } + } + } + + function iterateLayers(layers) { + var i; + var len = layers.length; + for (i = 0; i < len; i += 1) { + if (layers[i].ty === 4) { + iterateShapes(layers[i].shapes); + } + } + } + + return function (animationData) { + if (checkVersion(minimumVersion, animationData.v)) { + iterateLayers(animationData.layers); + if (animationData.assets) { + var i; + var len = animationData.assets.length; + for (i = 0; i < len; i += 1) { + if (animationData.assets[i].layers) { + iterateLayers(animationData.assets[i].layers); + } + } + } + } + }; + }()); + + var checkShapes = (function () { + var minimumVersion = [4, 4, 18]; + + function completeClosingShapes(arr) { + var i; + var len = arr.length; + var j; + var jLen; + for (i = len - 1; i >= 0; i -= 1) { + if (arr[i].ty === 'sh') { + if (arr[i].ks.k.i) { + arr[i].ks.k.c = arr[i].closed; + } else { + jLen = arr[i].ks.k.length; + for (j = 0; j < jLen; j += 1) { + if (arr[i].ks.k[j].s) { + arr[i].ks.k[j].s[0].c = arr[i].closed; + } + if (arr[i].ks.k[j].e) { + arr[i].ks.k[j].e[0].c = arr[i].closed; + } + } + } + } else if (arr[i].ty === 'gr') { + completeClosingShapes(arr[i].it); + } + } + } + + function iterateLayers(layers) { + var layerData; + var i; + var len = layers.length; + var j; + var jLen; + var k; + var kLen; + for (i = 0; i < len; i += 1) { + layerData = layers[i]; + if (layerData.hasMask) { + var maskProps = layerData.masksProperties; + jLen = maskProps.length; + for (j = 0; j < jLen; j += 1) { + if (maskProps[j].pt.k.i) { + maskProps[j].pt.k.c = maskProps[j].cl; + } else { + kLen = maskProps[j].pt.k.length; + for (k = 0; k < kLen; k += 1) { + if (maskProps[j].pt.k[k].s) { + maskProps[j].pt.k[k].s[0].c = maskProps[j].cl; + } + if (maskProps[j].pt.k[k].e) { + maskProps[j].pt.k[k].e[0].c = maskProps[j].cl; + } + } + } + } + } + if (layerData.ty === 4) { + completeClosingShapes(layerData.shapes); + } + } + } + + return function (animationData) { + if (checkVersion(minimumVersion, animationData.v)) { + iterateLayers(animationData.layers); + if (animationData.assets) { + var i; + var len = animationData.assets.length; + for (i = 0; i < len; i += 1) { + if (animationData.assets[i].layers) { + iterateLayers(animationData.assets[i].layers); + } + } + } + } + }; + }()); + + function completeData(animationData) { + if (animationData.__complete) { + return; + } + checkColors(animationData); + checkText(animationData); + checkChars(animationData); + checkPathProperties(animationData); + checkShapes(animationData); + completeLayers(animationData.layers, animationData.assets); + completeChars(animationData.chars, animationData.assets); + animationData.__complete = true; + } + + function completeText(data) { + if (data.t.a.length === 0 && !('m' in data.t.p)) { + // data.singleShape = true; + } + } + + var moduleOb = {}; + moduleOb.completeData = completeData; + moduleOb.checkColors = checkColors; + moduleOb.checkChars = checkChars; + moduleOb.checkPathProperties = checkPathProperties; + moduleOb.checkShapes = checkShapes; + moduleOb.completeLayers = completeLayers; + + return moduleOb; + } + if (!_workerSelf.dataManager) { + _workerSelf.dataManager = dataFunctionManager(); + } + + if (!_workerSelf.assetLoader) { + _workerSelf.assetLoader = (function () { + function formatResponse(xhr) { + // using typeof doubles the time of execution of this method, + // so if available, it's better to use the header to validate the type + var contentTypeHeader = xhr.getResponseHeader('content-type'); + if (contentTypeHeader && xhr.responseType === 'json' && contentTypeHeader.indexOf('json') !== -1) { + return xhr.response; + } + if (xhr.response && typeof xhr.response === 'object') { + return xhr.response; + } if (xhr.response && typeof xhr.response === 'string') { + return JSON.parse(xhr.response); + } if (xhr.responseText) { + return JSON.parse(xhr.responseText); + } + return null; + } + + function loadAsset(path, fullPath, callback, errorCallback) { + var response; + var xhr = new XMLHttpRequest(); + // set responseType after calling open or IE will break. + try { + // This crashes on Android WebView prior to KitKat + xhr.responseType = 'json'; + } catch (err) {} // eslint-disable-line no-empty + xhr.onreadystatechange = function () { + if (xhr.readyState === 4) { + if (xhr.status === 200) { + response = formatResponse(xhr); + callback(response); + } else { + try { + response = formatResponse(xhr); + callback(response); + } catch (err) { + if (errorCallback) { + errorCallback(err); + } + } + } + } + }; + try { + xhr.open('GET', path, true); + } catch (error) { + xhr.open('GET', fullPath + '/' + path, true); + } + xhr.send(); + } + return { + load: loadAsset, + }; + }()); + } + + if (e.data.type === 'loadAnimation') { + _workerSelf.assetLoader.load( + e.data.path, + e.data.fullPath, + function (data) { + _workerSelf.dataManager.completeData(data); + _workerSelf.postMessage({ + id: e.data.id, + payload: data, + status: 'success', + }); + }, + function () { + _workerSelf.postMessage({ + id: e.data.id, + status: 'error', + }); + } + ); + } else if (e.data.type === 'complete') { + var animation = e.data.animation; + _workerSelf.dataManager.completeData(animation); + _workerSelf.postMessage({ + id: e.data.id, + payload: animation, + status: 'success', + }); + } else if (e.data.type === 'loadData') { + _workerSelf.assetLoader.load( + e.data.path, + e.data.fullPath, + function (data) { + _workerSelf.postMessage({ + id: e.data.id, + payload: data, + status: 'success', + }); + }, + function () { + _workerSelf.postMessage({ + id: e.data.id, + status: 'error', + }); + } + ); + } + }); + + workerInstance.onmessage = function (event) { + var data = event.data; + var id = data.id; + var process = processes[id]; + processes[id] = null; + if (data.status === 'success') { + process.onComplete(data.payload); + } else if (process.onError) { + process.onError(); + } + }; + } + } + + function createProcess(onComplete, onError) { + _counterId += 1; + var id = 'processId_' + _counterId; + processes[id] = { + onComplete: onComplete, + onError: onError, + }; + return id; + } + + function loadAnimation(path, onComplete, onError) { + setupWorker(); + var processId = createProcess(onComplete, onError); + workerInstance.postMessage({ + type: 'loadAnimation', + path: path, + fullPath: window.location.origin + window.location.pathname, + id: processId, + }); + } + + function loadData(path, onComplete, onError) { + setupWorker(); + var processId = createProcess(onComplete, onError); + workerInstance.postMessage({ + type: 'loadData', + path: path, + fullPath: window.location.origin + window.location.pathname, + id: processId, + }); + } + + function completeAnimation(anim, onComplete, onError) { + setupWorker(); + var processId = createProcess(onComplete, onError); + workerInstance.postMessage({ + type: 'complete', + animation: anim, + id: processId, + }); + } + + return { + loadAnimation: loadAnimation, + loadData: loadData, + completeAnimation: completeAnimation, + }; +}()); + +const ImagePreloader = (function () { + var proxyImage = (function () { + var canvas = createTag('canvas'); + canvas.width = 1; + canvas.height = 1; + var ctx = canvas.getContext('2d'); + ctx.fillStyle = 'rgba(0,0,0,0)'; + ctx.fillRect(0, 0, 1, 1); + return canvas; + }()); + + function imageLoaded() { + this.loadedAssets += 1; + if (this.loadedAssets === this.totalImages && this.loadedFootagesCount === this.totalFootages) { + if (this.imagesLoadedCb) { + this.imagesLoadedCb(null); + } + } + } + function footageLoaded() { + this.loadedFootagesCount += 1; + if (this.loadedAssets === this.totalImages && this.loadedFootagesCount === this.totalFootages) { + if (this.imagesLoadedCb) { + this.imagesLoadedCb(null); + } + } + } + + function getAssetsPath(assetData, assetsPath, originalPath) { + var path = ''; + if (assetData.e) { + path = assetData.p; + } else if (assetsPath) { + var imagePath = assetData.p; + if (imagePath.indexOf('images/') !== -1) { + imagePath = imagePath.split('/')[1]; + } + path = assetsPath + imagePath; + } else { + path = originalPath; + path += assetData.u ? assetData.u : ''; + path += assetData.p; + } + return path; + } + + function testImageLoaded(img) { + var _count = 0; + var intervalId = setInterval(function () { + var box = img.getBBox(); + if (box.width || _count > 500) { + this._imageLoaded(); + clearInterval(intervalId); + } + _count += 1; + }.bind(this), 50); + } + + function createImageData(assetData) { + var path = getAssetsPath(assetData, this.assetsPath, this.path); + var img = createNS('image'); + if (isSafari) { + this.testImageLoaded(img); + } else { + img.addEventListener('load', this._imageLoaded, false); + } + img.addEventListener('error', function () { + ob.img = proxyImage; + this._imageLoaded(); + }.bind(this), false); + img.setAttributeNS('http://www.w3.org/1999/xlink', 'href', path); + if (this._elementHelper.append) { + this._elementHelper.append(img); + } else { + this._elementHelper.appendChild(img); + } + var ob = { + img: img, + assetData: assetData, + }; + return ob; + } + + function createImgData(assetData) { + var path = getAssetsPath(assetData, this.assetsPath, this.path); + var img = createTag('img'); + img.crossOrigin = 'anonymous'; + img.addEventListener('load', this._imageLoaded, false); + img.addEventListener('error', function () { + ob.img = proxyImage; + this._imageLoaded(); + }.bind(this), false); + img.src = path; + var ob = { + img: img, + assetData: assetData, + }; + return ob; + } + + function createFootageData(data) { + var ob = { + assetData: data, + }; + var path = getAssetsPath(data, this.assetsPath, this.path); + dataManager.loadData(path, function (footageData) { + ob.img = footageData; + this._footageLoaded(); + }.bind(this), function () { + ob.img = {}; + this._footageLoaded(); + }.bind(this)); + return ob; + } + + function loadAssets(assets, cb) { + this.imagesLoadedCb = cb; + var i; + var len = assets.length; + for (i = 0; i < len; i += 1) { + if (!assets[i].layers) { + if (!assets[i].t || assets[i].t === 'seq') { + this.totalImages += 1; + this.images.push(this._createImageData(assets[i])); + } else if (assets[i].t === 3) { + this.totalFootages += 1; + this.images.push(this.createFootageData(assets[i])); + } + } + } + } + + function setPath(path) { + this.path = path || ''; + } + + function setAssetsPath(path) { + this.assetsPath = path || ''; + } + + function getAsset(assetData) { + var i = 0; + var len = this.images.length; + while (i < len) { + if (this.images[i].assetData === assetData) { + return this.images[i].img; + } + i += 1; + } + return null; + } + + function destroy() { + this.imagesLoadedCb = null; + this.images.length = 0; + } + + function loadedImages() { + return this.totalImages === this.loadedAssets; + } + + function loadedFootages() { + return this.totalFootages === this.loadedFootagesCount; + } + + function setCacheType(type, elementHelper) { + if (type === 'svg') { + this._elementHelper = elementHelper; + this._createImageData = this.createImageData.bind(this); + } else { + this._createImageData = this.createImgData.bind(this); + } + } + + function ImagePreloaderFactory() { + this._imageLoaded = imageLoaded.bind(this); + this._footageLoaded = footageLoaded.bind(this); + this.testImageLoaded = testImageLoaded.bind(this); + this.createFootageData = createFootageData.bind(this); + this.assetsPath = ''; + this.path = ''; + this.totalImages = 0; + this.totalFootages = 0; + this.loadedAssets = 0; + this.loadedFootagesCount = 0; + this.imagesLoadedCb = null; + this.images = []; + } + + ImagePreloaderFactory.prototype = { + loadAssets: loadAssets, + setAssetsPath: setAssetsPath, + setPath: setPath, + loadedImages: loadedImages, + loadedFootages: loadedFootages, + destroy: destroy, + getAsset: getAsset, + createImgData: createImgData, + createImageData: createImageData, + imageLoaded: imageLoaded, + footageLoaded: footageLoaded, + setCacheType: setCacheType, + }; + + return ImagePreloaderFactory; +}()); + +function BaseEvent() {} +BaseEvent.prototype = { + triggerEvent: function (eventName, args) { + if (this._cbs[eventName]) { + var callbacks = this._cbs[eventName]; + for (var i = 0; i < callbacks.length; i += 1) { + callbacks[i](args); + } + } + }, + addEventListener: function (eventName, callback) { + if (!this._cbs[eventName]) { + this._cbs[eventName] = []; + } + this._cbs[eventName].push(callback); + + return function () { + this.removeEventListener(eventName, callback); + }.bind(this); + }, + removeEventListener: function (eventName, callback) { + if (!callback) { + this._cbs[eventName] = null; + } else if (this._cbs[eventName]) { + var i = 0; + var len = this._cbs[eventName].length; + while (i < len) { + if (this._cbs[eventName][i] === callback) { + this._cbs[eventName].splice(i, 1); + i -= 1; + len -= 1; + } + i += 1; + } + if (!this._cbs[eventName].length) { + this._cbs[eventName] = null; + } + } + }, +}; + +const markerParser = ( + + function () { + function parsePayloadLines(payload) { + var lines = payload.split('\r\n'); + var keys = {}; + var line; + var keysCount = 0; + for (var i = 0; i < lines.length; i += 1) { + line = lines[i].split(':'); + if (line.length === 2) { + keys[line[0]] = line[1].trim(); + keysCount += 1; + } + } + if (keysCount === 0) { + throw new Error(); + } + return keys; + } + + return function (_markers) { + var markers = []; + for (var i = 0; i < _markers.length; i += 1) { + var _marker = _markers[i]; + var markerData = { + time: _marker.tm, + duration: _marker.dr, + }; + try { + markerData.payload = JSON.parse(_markers[i].cm); + } catch (_) { + try { + markerData.payload = parsePayloadLines(_markers[i].cm); + } catch (__) { + markerData.payload = { + name: _markers[i].cm, + }; + } + } + markers.push(markerData); + } + return markers; + }; + }()); + +const ProjectInterface = (function () { + function registerComposition(comp) { + this.compositions.push(comp); + } + + return function () { + function _thisProjectFunction(name) { + var i = 0; + var len = this.compositions.length; + while (i < len) { + if (this.compositions[i].data && this.compositions[i].data.nm === name) { + if (this.compositions[i].prepareFrame && this.compositions[i].data.xt) { + this.compositions[i].prepareFrame(this.currentFrame); + } + return this.compositions[i].compInterface; + } + i += 1; + } + return null; + } + + _thisProjectFunction.compositions = []; + _thisProjectFunction.currentFrame = 0; + + _thisProjectFunction.registerComposition = registerComposition; + + return _thisProjectFunction; + }; +}()); + +const renderers = {}; + +const registerRenderer = (key, value) => { + renderers[key] = value; +}; + +function getRenderer(key) { + return renderers[key]; +} + +const AnimationItem = function () { + this._cbs = []; + this.name = ''; + this.path = ''; + this.isLoaded = false; + this.currentFrame = 0; + this.currentRawFrame = 0; + this.firstFrame = 0; + this.totalFrames = 0; + this.frameRate = 0; + this.frameMult = 0; + this.playSpeed = 1; + this.playDirection = 1; + this.playCount = 0; + this.animationData = {}; + this.assets = []; + this.isPaused = true; + this.autoplay = false; + this.loop = true; + this.renderer = null; + this.animationID = createElementID(); + this.assetsPath = ''; + this.timeCompleted = 0; + this.segmentPos = 0; + this.isSubframeEnabled = getSubframeEnabled(); + this.segments = []; + this._idle = true; + this._completedLoop = false; + this.projectInterface = ProjectInterface(); + this.imagePreloader = new ImagePreloader(); + this.audioController = audioControllerFactory(); + this.markers = []; + this.configAnimation = this.configAnimation.bind(this); + this.onSetupError = this.onSetupError.bind(this); + this.onSegmentComplete = this.onSegmentComplete.bind(this); + this.drawnFrameEvent = new BMEnterFrameEvent('drawnFrame', 0, 0, 0); +}; + +extendPrototype([BaseEvent], AnimationItem); + +AnimationItem.prototype.setParams = function (params) { + if (params.wrapper || params.container) { + this.wrapper = params.wrapper || params.container; + } + var animType = 'svg'; + if (params.animType) { + animType = params.animType; + } else if (params.renderer) { + animType = params.renderer; + } + const RendererClass = getRenderer(animType); + this.renderer = new RendererClass(this, params.rendererSettings); + this.imagePreloader.setCacheType(animType, this.renderer.globalData.defs); + this.renderer.setProjectInterface(this.projectInterface); + this.animType = animType; + if (params.loop === '' + || params.loop === null + || params.loop === undefined + || params.loop === true) { + this.loop = true; + } else if (params.loop === false) { + this.loop = false; + } else { + this.loop = parseInt(params.loop, 10); + } + this.autoplay = 'autoplay' in params ? params.autoplay : true; + this.name = params.name ? params.name : ''; + this.autoloadSegments = Object.prototype.hasOwnProperty.call(params, 'autoloadSegments') ? params.autoloadSegments : true; + this.assetsPath = params.assetsPath; + this.initialSegment = params.initialSegment; + if (params.audioFactory) { + this.audioController.setAudioFactory(params.audioFactory); + } + if (params.animationData) { + this.setupAnimation(params.animationData); + } else if (params.path) { + if (params.path.lastIndexOf('\\') !== -1) { + this.path = params.path.substr(0, params.path.lastIndexOf('\\') + 1); + } else { + this.path = params.path.substr(0, params.path.lastIndexOf('/') + 1); + } + this.fileName = params.path.substr(params.path.lastIndexOf('/') + 1); + this.fileName = this.fileName.substr(0, this.fileName.lastIndexOf('.json')); + dataManager.loadAnimation( + params.path, + this.configAnimation, + this.onSetupError + ); + } +}; + +AnimationItem.prototype.onSetupError = function () { + this.trigger('data_failed'); +}; + +AnimationItem.prototype.setupAnimation = function (data) { + dataManager.completeAnimation( + data, + this.configAnimation + ); +}; + +AnimationItem.prototype.setData = function (wrapper, animationData) { + if (animationData) { + if (typeof animationData !== 'object') { + animationData = JSON.parse(animationData); + } + } + var params = { + wrapper: wrapper, + animationData: animationData, + }; + var wrapperAttributes = wrapper.attributes; + + params.path = wrapperAttributes.getNamedItem('data-animation-path') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-animation-path').value + : wrapperAttributes.getNamedItem('data-bm-path') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-bm-path').value + : wrapperAttributes.getNamedItem('bm-path') + ? wrapperAttributes.getNamedItem('bm-path').value + : ''; + params.animType = wrapperAttributes.getNamedItem('data-anim-type') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-anim-type').value + : wrapperAttributes.getNamedItem('data-bm-type') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-bm-type').value + : wrapperAttributes.getNamedItem('bm-type') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('bm-type').value + : wrapperAttributes.getNamedItem('data-bm-renderer') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-bm-renderer').value + : wrapperAttributes.getNamedItem('bm-renderer') + ? wrapperAttributes.getNamedItem('bm-renderer').value + : 'canvas'; + + var loop = wrapperAttributes.getNamedItem('data-anim-loop') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-anim-loop').value + : wrapperAttributes.getNamedItem('data-bm-loop') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-bm-loop').value + : wrapperAttributes.getNamedItem('bm-loop') + ? wrapperAttributes.getNamedItem('bm-loop').value + : ''; + if (loop === 'false') { + params.loop = false; + } else if (loop === 'true') { + params.loop = true; + } else if (loop !== '') { + params.loop = parseInt(loop, 10); + } + var autoplay = wrapperAttributes.getNamedItem('data-anim-autoplay') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-anim-autoplay').value + : wrapperAttributes.getNamedItem('data-bm-autoplay') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-bm-autoplay').value + : wrapperAttributes.getNamedItem('bm-autoplay') + ? wrapperAttributes.getNamedItem('bm-autoplay').value + : true; + params.autoplay = autoplay !== 'false'; + + params.name = wrapperAttributes.getNamedItem('data-name') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-name').value + : wrapperAttributes.getNamedItem('data-bm-name') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-bm-name').value + : wrapperAttributes.getNamedItem('bm-name') + ? wrapperAttributes.getNamedItem('bm-name').value + : ''; + var prerender = wrapperAttributes.getNamedItem('data-anim-prerender') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-anim-prerender').value + : wrapperAttributes.getNamedItem('data-bm-prerender') // eslint-disable-line no-nested-ternary + ? wrapperAttributes.getNamedItem('data-bm-prerender').value + : wrapperAttributes.getNamedItem('bm-prerender') + ? wrapperAttributes.getNamedItem('bm-prerender').value + : ''; + + if (prerender === 'false') { + params.prerender = false; + } + this.setParams(params); +}; + +AnimationItem.prototype.includeLayers = function (data) { + if (data.op > this.animationData.op) { + this.animationData.op = data.op; + this.totalFrames = Math.floor(data.op - this.animationData.ip); + } + var layers = this.animationData.layers; + var i; + var len = layers.length; + var newLayers = data.layers; + var j; + var jLen = newLayers.length; + for (j = 0; j < jLen; j += 1) { + i = 0; + while (i < len) { + if (layers[i].id === newLayers[j].id) { + layers[i] = newLayers[j]; + break; + } + i += 1; + } + } + if (data.chars || data.fonts) { + this.renderer.globalData.fontManager.addChars(data.chars); + this.renderer.globalData.fontManager.addFonts(data.fonts, this.renderer.globalData.defs); + } + if (data.assets) { + len = data.assets.length; + for (i = 0; i < len; i += 1) { + this.animationData.assets.push(data.assets[i]); + } + } + this.animationData.__complete = false; + dataManager.completeAnimation( + this.animationData, + this.onSegmentComplete + ); +}; + +AnimationItem.prototype.onSegmentComplete = function (data) { + this.animationData = data; + var expressionsPlugin = getExpressionsPlugin(); + if (expressionsPlugin) { + expressionsPlugin.initExpressions(this); + } + this.loadNextSegment(); +}; + +AnimationItem.prototype.loadNextSegment = function () { + var segments = this.animationData.segments; + if (!segments || segments.length === 0 || !this.autoloadSegments) { + this.trigger('data_ready'); + this.timeCompleted = this.totalFrames; + return; + } + var segment = segments.shift(); + this.timeCompleted = segment.time * this.frameRate; + var segmentPath = this.path + this.fileName + '_' + this.segmentPos + '.json'; + this.segmentPos += 1; + dataManager.loadData(segmentPath, this.includeLayers.bind(this), function () { + this.trigger('data_failed'); + }.bind(this)); +}; + +AnimationItem.prototype.loadSegments = function () { + var segments = this.animationData.segments; + if (!segments) { + this.timeCompleted = this.totalFrames; + } + this.loadNextSegment(); +}; + +AnimationItem.prototype.imagesLoaded = function () { + this.trigger('loaded_images'); + this.checkLoaded(); +}; + +AnimationItem.prototype.preloadImages = function () { + this.imagePreloader.setAssetsPath(this.assetsPath); + this.imagePreloader.setPath(this.path); + this.imagePreloader.loadAssets(this.animationData.assets, this.imagesLoaded.bind(this)); +}; + +AnimationItem.prototype.configAnimation = function (animData) { + if (!this.renderer) { + return; + } + try { + this.animationData = animData; + if (this.initialSegment) { + this.totalFrames = Math.floor(this.initialSegment[1] - this.initialSegment[0]); + this.firstFrame = Math.round(this.initialSegment[0]); + } else { + this.totalFrames = Math.floor(this.animationData.op - this.animationData.ip); + this.firstFrame = Math.round(this.animationData.ip); + } + this.renderer.configAnimation(animData); + if (!animData.assets) { + animData.assets = []; + } + + this.assets = this.animationData.assets; + this.frameRate = this.animationData.fr; + this.frameMult = this.animationData.fr / 1000; + this.renderer.searchExtraCompositions(animData.assets); + this.markers = markerParser(animData.markers || []); + this.trigger('config_ready'); + this.preloadImages(); + this.loadSegments(); + this.updaFrameModifier(); + this.waitForFontsLoaded(); + if (this.isPaused) { + this.audioController.pause(); + } + } catch (error) { + this.triggerConfigError(error); + } +}; + +AnimationItem.prototype.waitForFontsLoaded = function () { + if (!this.renderer) { + return; + } + if (this.renderer.globalData.fontManager.isLoaded) { + this.checkLoaded(); + } else { + setTimeout(this.waitForFontsLoaded.bind(this), 20); + } +}; + +AnimationItem.prototype.checkLoaded = function () { + if (!this.isLoaded + && this.renderer.globalData.fontManager.isLoaded + && (this.imagePreloader.loadedImages() || this.renderer.rendererType !== 'canvas') + && (this.imagePreloader.loadedFootages()) + ) { + this.isLoaded = true; + var expressionsPlugin = getExpressionsPlugin(); + if (expressionsPlugin) { + expressionsPlugin.initExpressions(this); + } + this.renderer.initItems(); + setTimeout(function () { + this.trigger('DOMLoaded'); + }.bind(this), 0); + this.gotoFrame(); + if (this.autoplay) { + this.play(); + } + } +}; + +AnimationItem.prototype.resize = function () { + this.renderer.updateContainerSize(); +}; + +AnimationItem.prototype.setSubframe = function (flag) { + this.isSubframeEnabled = !!flag; +}; + +AnimationItem.prototype.gotoFrame = function () { + this.currentFrame = this.isSubframeEnabled ? this.currentRawFrame : ~~this.currentRawFrame; // eslint-disable-line no-bitwise + + if (this.timeCompleted !== this.totalFrames && this.currentFrame > this.timeCompleted) { + this.currentFrame = this.timeCompleted; + } + this.trigger('enterFrame'); + this.renderFrame(); + this.trigger('drawnFrame'); +}; + +AnimationItem.prototype.renderFrame = function () { + if (this.isLoaded === false || !this.renderer) { + return; + } + try { + this.renderer.renderFrame(this.currentFrame + this.firstFrame); + } catch (error) { + this.triggerRenderFrameError(error); + } +}; + +AnimationItem.prototype.play = function (name) { + if (name && this.name !== name) { + return; + } + if (this.isPaused === true) { + this.isPaused = false; + this.trigger('_pause'); + this.audioController.resume(); + if (this._idle) { + this._idle = false; + this.trigger('_active'); + } + } +}; + +AnimationItem.prototype.pause = function (name) { + if (name && this.name !== name) { + return; + } + if (this.isPaused === false) { + this.isPaused = true; + this.trigger('_play'); + this._idle = true; + this.trigger('_idle'); + this.audioController.pause(); + } +}; + +AnimationItem.prototype.togglePause = function (name) { + if (name && this.name !== name) { + return; + } + if (this.isPaused === true) { + this.play(); + } else { + this.pause(); + } +}; + +AnimationItem.prototype.stop = function (name) { + if (name && this.name !== name) { + return; + } + this.pause(); + this.playCount = 0; + this._completedLoop = false; + this.setCurrentRawFrameValue(0); +}; + +AnimationItem.prototype.getMarkerData = function (markerName) { + var marker; + for (var i = 0; i < this.markers.length; i += 1) { + marker = this.markers[i]; + if (marker.payload && marker.payload.name === markerName) { + return marker; + } + } + return null; +}; + +AnimationItem.prototype.goToAndStop = function (value, isFrame, name) { + if (name && this.name !== name) { + return; + } + var numValue = Number(value); + if (isNaN(numValue)) { + var marker = this.getMarkerData(value); + if (marker) { + this.goToAndStop(marker.time, true); + } + } else if (isFrame) { + this.setCurrentRawFrameValue(value); + } else { + this.setCurrentRawFrameValue(value * this.frameModifier); + } + this.pause(); +}; + +AnimationItem.prototype.goToAndPlay = function (value, isFrame, name) { + if (name && this.name !== name) { + return; + } + var numValue = Number(value); + if (isNaN(numValue)) { + var marker = this.getMarkerData(value); + if (marker) { + if (!marker.duration) { + this.goToAndStop(marker.time, true); + } else { + this.playSegments([marker.time, marker.time + marker.duration], true); + } + } + } else { + this.goToAndStop(numValue, isFrame, name); + } + this.play(); +}; + +AnimationItem.prototype.advanceTime = function (value) { + if (this.isPaused === true || this.isLoaded === false) { + return; + } + var nextValue = this.currentRawFrame + value * this.frameModifier; + var _isComplete = false; + // Checking if nextValue > totalFrames - 1 for addressing non looping and looping animations. + // If animation won't loop, it should stop at totalFrames - 1. If it will loop it should complete the last frame and then loop. + if (nextValue >= this.totalFrames - 1 && this.frameModifier > 0) { + if (!this.loop || this.playCount === this.loop) { + if (!this.checkSegments(nextValue > this.totalFrames ? nextValue % this.totalFrames : 0)) { + _isComplete = true; + nextValue = this.totalFrames - 1; + } + } else if (nextValue >= this.totalFrames) { + this.playCount += 1; + if (!this.checkSegments(nextValue % this.totalFrames)) { + this.setCurrentRawFrameValue(nextValue % this.totalFrames); + this._completedLoop = true; + this.trigger('loopComplete'); + } + } else { + this.setCurrentRawFrameValue(nextValue); + } + } else if (nextValue < 0) { + if (!this.checkSegments(nextValue % this.totalFrames)) { + if (this.loop && !(this.playCount-- <= 0 && this.loop !== true)) { // eslint-disable-line no-plusplus + this.setCurrentRawFrameValue(this.totalFrames + (nextValue % this.totalFrames)); + if (!this._completedLoop) { + this._completedLoop = true; + } else { + this.trigger('loopComplete'); + } + } else { + _isComplete = true; + nextValue = 0; + } + } + } else { + this.setCurrentRawFrameValue(nextValue); + } + if (_isComplete) { + this.setCurrentRawFrameValue(nextValue); + this.pause(); + this.trigger('complete'); + } +}; + +AnimationItem.prototype.adjustSegment = function (arr, offset) { + this.playCount = 0; + if (arr[1] < arr[0]) { + if (this.frameModifier > 0) { + if (this.playSpeed < 0) { + this.setSpeed(-this.playSpeed); + } else { + this.setDirection(-1); + } + } + this.totalFrames = arr[0] - arr[1]; + this.timeCompleted = this.totalFrames; + this.firstFrame = arr[1]; + this.setCurrentRawFrameValue(this.totalFrames - 0.001 - offset); + } else if (arr[1] > arr[0]) { + if (this.frameModifier < 0) { + if (this.playSpeed < 0) { + this.setSpeed(-this.playSpeed); + } else { + this.setDirection(1); + } + } + this.totalFrames = arr[1] - arr[0]; + this.timeCompleted = this.totalFrames; + this.firstFrame = arr[0]; + this.setCurrentRawFrameValue(0.001 + offset); + } + this.trigger('segmentStart'); +}; +AnimationItem.prototype.setSegment = function (init, end) { + var pendingFrame = -1; + if (this.isPaused) { + if (this.currentRawFrame + this.firstFrame < init) { + pendingFrame = init; + } else if (this.currentRawFrame + this.firstFrame > end) { + pendingFrame = end - init; + } + } + + this.firstFrame = init; + this.totalFrames = end - init; + this.timeCompleted = this.totalFrames; + if (pendingFrame !== -1) { + this.goToAndStop(pendingFrame, true); + } +}; + +AnimationItem.prototype.playSegments = function (arr, forceFlag) { + if (forceFlag) { + this.segments.length = 0; + } + if (typeof arr[0] === 'object') { + var i; + var len = arr.length; + for (i = 0; i < len; i += 1) { + this.segments.push(arr[i]); + } + } else { + this.segments.push(arr); + } + if (this.segments.length && forceFlag) { + this.adjustSegment(this.segments.shift(), 0); + } + if (this.isPaused) { + this.play(); + } +}; + +AnimationItem.prototype.resetSegments = function (forceFlag) { + this.segments.length = 0; + this.segments.push([this.animationData.ip, this.animationData.op]); + if (forceFlag) { + this.checkSegments(0); + } +}; +AnimationItem.prototype.checkSegments = function (offset) { + if (this.segments.length) { + this.adjustSegment(this.segments.shift(), offset); + return true; + } + return false; +}; + +AnimationItem.prototype.destroy = function (name) { + if ((name && this.name !== name) || !this.renderer) { + return; + } + this.renderer.destroy(); + this.imagePreloader.destroy(); + this.trigger('destroy'); + this._cbs = null; + this.onEnterFrame = null; + this.onLoopComplete = null; + this.onComplete = null; + this.onSegmentStart = null; + this.onDestroy = null; + this.renderer = null; + this.renderer = null; + this.imagePreloader = null; + this.projectInterface = null; +}; + +AnimationItem.prototype.setCurrentRawFrameValue = function (value) { + this.currentRawFrame = value; + this.gotoFrame(); +}; + +AnimationItem.prototype.setSpeed = function (val) { + this.playSpeed = val; + this.updaFrameModifier(); +}; + +AnimationItem.prototype.setDirection = function (val) { + this.playDirection = val < 0 ? -1 : 1; + this.updaFrameModifier(); +}; + +AnimationItem.prototype.setVolume = function (val, name) { + if (name && this.name !== name) { + return; + } + this.audioController.setVolume(val); +}; + +AnimationItem.prototype.getVolume = function () { + return this.audioController.getVolume(); +}; + +AnimationItem.prototype.mute = function (name) { + if (name && this.name !== name) { + return; + } + this.audioController.mute(); +}; + +AnimationItem.prototype.unmute = function (name) { + if (name && this.name !== name) { + return; + } + this.audioController.unmute(); +}; + +AnimationItem.prototype.updaFrameModifier = function () { + this.frameModifier = this.frameMult * this.playSpeed * this.playDirection; + this.audioController.setRate(this.playSpeed * this.playDirection); +}; + +AnimationItem.prototype.getPath = function () { + return this.path; +}; + +AnimationItem.prototype.getAssetsPath = function (assetData) { + var path = ''; + if (assetData.e) { + path = assetData.p; + } else if (this.assetsPath) { + var imagePath = assetData.p; + if (imagePath.indexOf('images/') !== -1) { + imagePath = imagePath.split('/')[1]; + } + path = this.assetsPath + imagePath; + } else { + path = this.path; + path += assetData.u ? assetData.u : ''; + path += assetData.p; + } + return path; +}; + +AnimationItem.prototype.getAssetData = function (id) { + var i = 0; + var len = this.assets.length; + while (i < len) { + if (id === this.assets[i].id) { + return this.assets[i]; + } + i += 1; + } + return null; +}; + +AnimationItem.prototype.hide = function () { + this.renderer.hide(); +}; + +AnimationItem.prototype.show = function () { + this.renderer.show(); +}; + +AnimationItem.prototype.getDuration = function (isFrame) { + return isFrame ? this.totalFrames : this.totalFrames / this.frameRate; +}; + +AnimationItem.prototype.updateDocumentData = function (path, documentData, index) { + try { + var element = this.renderer.getElementByPath(path); + element.updateDocumentData(documentData, index); + } catch (error) { + // TODO: decide how to handle catch case + } +}; + +AnimationItem.prototype.trigger = function (name) { + if (this._cbs && this._cbs[name]) { + switch (name) { + case 'enterFrame': + this.triggerEvent(name, new BMEnterFrameEvent(name, this.currentFrame, this.totalFrames, this.frameModifier)); + break; + case 'drawnFrame': + this.drawnFrameEvent.currentTime = this.currentFrame; + this.drawnFrameEvent.totalTime = this.totalFrames; + this.drawnFrameEvent.direction = this.frameModifier; + this.triggerEvent(name, this.drawnFrameEvent); + break; + case 'loopComplete': + this.triggerEvent(name, new BMCompleteLoopEvent(name, this.loop, this.playCount, this.frameMult)); + break; + case 'complete': + this.triggerEvent(name, new BMCompleteEvent(name, this.frameMult)); + break; + case 'segmentStart': + this.triggerEvent(name, new BMSegmentStartEvent(name, this.firstFrame, this.totalFrames)); + break; + case 'destroy': + this.triggerEvent(name, new BMDestroyEvent(name, this)); + break; + default: + this.triggerEvent(name); + } + } + if (name === 'enterFrame' && this.onEnterFrame) { + this.onEnterFrame.call(this, new BMEnterFrameEvent(name, this.currentFrame, this.totalFrames, this.frameMult)); + } + if (name === 'loopComplete' && this.onLoopComplete) { + this.onLoopComplete.call(this, new BMCompleteLoopEvent(name, this.loop, this.playCount, this.frameMult)); + } + if (name === 'complete' && this.onComplete) { + this.onComplete.call(this, new BMCompleteEvent(name, this.frameMult)); + } + if (name === 'segmentStart' && this.onSegmentStart) { + this.onSegmentStart.call(this, new BMSegmentStartEvent(name, this.firstFrame, this.totalFrames)); + } + if (name === 'destroy' && this.onDestroy) { + this.onDestroy.call(this, new BMDestroyEvent(name, this)); + } +}; + +AnimationItem.prototype.triggerRenderFrameError = function (nativeError) { + var error = new BMRenderFrameErrorEvent(nativeError, this.currentFrame); + this.triggerEvent('error', error); + + if (this.onError) { + this.onError.call(this, error); + } +}; + +AnimationItem.prototype.triggerConfigError = function (nativeError) { + var error = new BMConfigErrorEvent(nativeError, this.currentFrame); + this.triggerEvent('error', error); + + if (this.onError) { + this.onError.call(this, error); + } +}; + +const animationManager = (function () { + var moduleOb = {}; + var registeredAnimations = []; + var initTime = 0; + var len = 0; + var playingAnimationsNum = 0; + var _stopped = true; + var _isFrozen = false; + + function removeElement(ev) { + var i = 0; + var animItem = ev.target; + while (i < len) { + if (registeredAnimations[i].animation === animItem) { + registeredAnimations.splice(i, 1); + i -= 1; + len -= 1; + if (!animItem.isPaused) { + subtractPlayingCount(); + } + } + i += 1; + } + } + + function registerAnimation(element, animationData) { + if (!element) { + return null; + } + var i = 0; + while (i < len) { + if (registeredAnimations[i].elem === element && registeredAnimations[i].elem !== null) { + return registeredAnimations[i].animation; + } + i += 1; + } + var animItem = new AnimationItem(); + setupAnimation(animItem, element); + animItem.setData(element, animationData); + return animItem; + } + + function getRegisteredAnimations() { + var i; + var lenAnims = registeredAnimations.length; + var animations = []; + for (i = 0; i < lenAnims; i += 1) { + animations.push(registeredAnimations[i].animation); + } + return animations; + } + + function addPlayingCount() { + playingAnimationsNum += 1; + activate(); + } + + function subtractPlayingCount() { + playingAnimationsNum -= 1; + } + + function setupAnimation(animItem, element) { + animItem.addEventListener('destroy', removeElement); + animItem.addEventListener('_active', addPlayingCount); + animItem.addEventListener('_idle', subtractPlayingCount); + registeredAnimations.push({ elem: element, animation: animItem }); + len += 1; + } + + function loadAnimation(params) { + var animItem = new AnimationItem(); + setupAnimation(animItem, null); + animItem.setParams(params); + return animItem; + } + + function setSpeed(val, animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.setSpeed(val, animation); + } + } + + function setDirection(val, animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.setDirection(val, animation); + } + } + + function play(animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.play(animation); + } + } + function resume(nowTime) { + var elapsedTime = nowTime - initTime; + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.advanceTime(elapsedTime); + } + initTime = nowTime; + if (playingAnimationsNum && !_isFrozen) { + window.requestAnimationFrame(resume); + } else { + _stopped = true; + } + } + + function first(nowTime) { + initTime = nowTime; + window.requestAnimationFrame(resume); + } + + function pause(animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.pause(animation); + } + } + + function goToAndStop(value, isFrame, animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.goToAndStop(value, isFrame, animation); + } + } + + function stop(animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.stop(animation); + } + } + + function togglePause(animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.togglePause(animation); + } + } + + function destroy(animation) { + var i; + for (i = (len - 1); i >= 0; i -= 1) { + registeredAnimations[i].animation.destroy(animation); + } + } + + function searchAnimations(animationData, standalone, renderer) { + var animElements = [].concat([].slice.call(document.getElementsByClassName('lottie')), + [].slice.call(document.getElementsByClassName('bodymovin'))); + var i; + var lenAnims = animElements.length; + for (i = 0; i < lenAnims; i += 1) { + if (renderer) { + animElements[i].setAttribute('data-bm-type', renderer); + } + registerAnimation(animElements[i], animationData); + } + if (standalone && lenAnims === 0) { + if (!renderer) { + renderer = 'svg'; + } + var body = document.getElementsByTagName('body')[0]; + body.innerText = ''; + var div = createTag('div'); + div.style.width = '100%'; + div.style.height = '100%'; + div.setAttribute('data-bm-type', renderer); + body.appendChild(div); + registerAnimation(div, animationData); + } + } + + function resize() { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.resize(); + } + } + + function activate() { + if (!_isFrozen && playingAnimationsNum) { + if (_stopped) { + window.requestAnimationFrame(first); + _stopped = false; + } + } + } + + function freeze() { + _isFrozen = true; + } + + function unfreeze() { + _isFrozen = false; + activate(); + } + + function setVolume(val, animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.setVolume(val, animation); + } + } + + function mute(animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.mute(animation); + } + } + + function unmute(animation) { + var i; + for (i = 0; i < len; i += 1) { + registeredAnimations[i].animation.unmute(animation); + } + } + + moduleOb.registerAnimation = registerAnimation; + moduleOb.loadAnimation = loadAnimation; + moduleOb.setSpeed = setSpeed; + moduleOb.setDirection = setDirection; + moduleOb.play = play; + moduleOb.pause = pause; + moduleOb.stop = stop; + moduleOb.togglePause = togglePause; + moduleOb.searchAnimations = searchAnimations; + moduleOb.resize = resize; + // moduleOb.start = start; + moduleOb.goToAndStop = goToAndStop; + moduleOb.destroy = destroy; + moduleOb.freeze = freeze; + moduleOb.unfreeze = unfreeze; + moduleOb.setVolume = setVolume; + moduleOb.mute = mute; + moduleOb.unmute = unmute; + moduleOb.getRegisteredAnimations = getRegisteredAnimations; + return moduleOb; +}()); + +/* eslint-disable */ +const BezierFactory = (function () { + /** + * BezierEasing - use bezier curve for transition easing function + * by Gaëtan Renaudeau 2014 - 2015 – MIT License + * + * Credits: is based on Firefox's nsSMILKeySpline.cpp + * Usage: + * var spline = BezierEasing([ 0.25, 0.1, 0.25, 1.0 ]) + * spline.get(x) => returns the easing value | x must be in [0, 1] range + * + */ + + var ob = {}; + ob.getBezierEasing = getBezierEasing; + var beziers = {}; + + function getBezierEasing(a, b, c, d, nm) { + var str = nm || ('bez_' + a + '_' + b + '_' + c + '_' + d).replace(/\./g, 'p'); + if (beziers[str]) { + return beziers[str]; + } + var bezEasing = new BezierEasing([a, b, c, d]); + beziers[str] = bezEasing; + return bezEasing; + } + + // These values are established by empiricism with tests (tradeoff: performance VS precision) + var NEWTON_ITERATIONS = 4; + var NEWTON_MIN_SLOPE = 0.001; + var SUBDIVISION_PRECISION = 0.0000001; + var SUBDIVISION_MAX_ITERATIONS = 10; + + var kSplineTableSize = 11; + var kSampleStepSize = 1.0 / (kSplineTableSize - 1.0); + + var float32ArraySupported = typeof Float32Array === 'function'; + + function A(aA1, aA2) { return 1.0 - 3.0 * aA2 + 3.0 * aA1; } + function B(aA1, aA2) { return 3.0 * aA2 - 6.0 * aA1; } + function C(aA1) { return 3.0 * aA1; } + + // Returns x(t) given t, x1, and x2, or y(t) given t, y1, and y2. + function calcBezier(aT, aA1, aA2) { + return ((A(aA1, aA2) * aT + B(aA1, aA2)) * aT + C(aA1)) * aT; + } + + // Returns dx/dt given t, x1, and x2, or dy/dt given t, y1, and y2. + function getSlope(aT, aA1, aA2) { + return 3.0 * A(aA1, aA2) * aT * aT + 2.0 * B(aA1, aA2) * aT + C(aA1); + } + + function binarySubdivide(aX, aA, aB, mX1, mX2) { + var currentX, + currentT, + i = 0; + do { + currentT = aA + (aB - aA) / 2.0; + currentX = calcBezier(currentT, mX1, mX2) - aX; + if (currentX > 0.0) { + aB = currentT; + } else { + aA = currentT; + } + } while (Math.abs(currentX) > SUBDIVISION_PRECISION && ++i < SUBDIVISION_MAX_ITERATIONS); + return currentT; + } + + function newtonRaphsonIterate(aX, aGuessT, mX1, mX2) { + for (var i = 0; i < NEWTON_ITERATIONS; ++i) { + var currentSlope = getSlope(aGuessT, mX1, mX2); + if (currentSlope === 0.0) return aGuessT; + var currentX = calcBezier(aGuessT, mX1, mX2) - aX; + aGuessT -= currentX / currentSlope; + } + return aGuessT; + } + + /** + * points is an array of [ mX1, mY1, mX2, mY2 ] + */ + function BezierEasing(points) { + this._p = points; + this._mSampleValues = float32ArraySupported ? new Float32Array(kSplineTableSize) : new Array(kSplineTableSize); + this._precomputed = false; + + this.get = this.get.bind(this); + } + + BezierEasing.prototype = { + + get: function (x) { + var mX1 = this._p[0], + mY1 = this._p[1], + mX2 = this._p[2], + mY2 = this._p[3]; + if (!this._precomputed) this._precompute(); + if (mX1 === mY1 && mX2 === mY2) return x; // linear + // Because JavaScript number are imprecise, we should guarantee the extremes are right. + if (x === 0) return 0; + if (x === 1) return 1; + return calcBezier(this._getTForX(x), mY1, mY2); + }, + + // Private part + + _precompute: function () { + var mX1 = this._p[0], + mY1 = this._p[1], + mX2 = this._p[2], + mY2 = this._p[3]; + this._precomputed = true; + if (mX1 !== mY1 || mX2 !== mY2) { this._calcSampleValues(); } + }, + + _calcSampleValues: function () { + var mX1 = this._p[0], + mX2 = this._p[2]; + for (var i = 0; i < kSplineTableSize; ++i) { + this._mSampleValues[i] = calcBezier(i * kSampleStepSize, mX1, mX2); + } + }, + + /** + * getTForX chose the fastest heuristic to determine the percentage value precisely from a given X projection. + */ + _getTForX: function (aX) { + var mX1 = this._p[0], + mX2 = this._p[2], + mSampleValues = this._mSampleValues; + + var intervalStart = 0.0; + var currentSample = 1; + var lastSample = kSplineTableSize - 1; + + for (; currentSample !== lastSample && mSampleValues[currentSample] <= aX; ++currentSample) { + intervalStart += kSampleStepSize; + } + --currentSample; + + // Interpolate to provide an initial guess for t + var dist = (aX - mSampleValues[currentSample]) / (mSampleValues[currentSample + 1] - mSampleValues[currentSample]); + var guessForT = intervalStart + dist * kSampleStepSize; + + var initialSlope = getSlope(guessForT, mX1, mX2); + if (initialSlope >= NEWTON_MIN_SLOPE) { + return newtonRaphsonIterate(aX, guessForT, mX1, mX2); + } if (initialSlope === 0.0) { + return guessForT; + } + return binarySubdivide(aX, intervalStart, intervalStart + kSampleStepSize, mX1, mX2); + }, + }; + + return ob; +}()); + +const pooling = (function () { + function double(arr) { + return arr.concat(createSizedArray(arr.length)); + } + + return { + double: double, + }; +}()); + +const poolFactory = (function () { + return function (initialLength, _create, _release) { + var _length = 0; + var _maxLength = initialLength; + var pool = createSizedArray(_maxLength); + + var ob = { + newElement: newElement, + release: release, + }; + + function newElement() { + var element; + if (_length) { + _length -= 1; + element = pool[_length]; + } else { + element = _create(); + } + return element; + } + + function release(element) { + if (_length === _maxLength) { + pool = pooling.double(pool); + _maxLength *= 2; + } + if (_release) { + _release(element); + } + pool[_length] = element; + _length += 1; + } + + return ob; + }; +}()); + +const bezierLengthPool = (function () { + function create() { + return { + addedLength: 0, + percents: createTypedArray('float32', getDefaultCurveSegments()), + lengths: createTypedArray('float32', getDefaultCurveSegments()), + }; + } + return poolFactory(8, create); +}()); + +const segmentsLengthPool = (function () { + function create() { + return { + lengths: [], + totalLength: 0, + }; + } + + function release(element) { + var i; + var len = element.lengths.length; + for (i = 0; i < len; i += 1) { + bezierLengthPool.release(element.lengths[i]); + } + element.lengths.length = 0; + } + + return poolFactory(8, create, release); +}()); + +function bezFunction() { + var math = Math; + + function pointOnLine2D(x1, y1, x2, y2, x3, y3) { + var det1 = (x1 * y2) + (y1 * x3) + (x2 * y3) - (x3 * y2) - (y3 * x1) - (x2 * y1); + return det1 > -0.001 && det1 < 0.001; + } + + function pointOnLine3D(x1, y1, z1, x2, y2, z2, x3, y3, z3) { + if (z1 === 0 && z2 === 0 && z3 === 0) { + return pointOnLine2D(x1, y1, x2, y2, x3, y3); + } + var dist1 = math.sqrt(math.pow(x2 - x1, 2) + math.pow(y2 - y1, 2) + math.pow(z2 - z1, 2)); + var dist2 = math.sqrt(math.pow(x3 - x1, 2) + math.pow(y3 - y1, 2) + math.pow(z3 - z1, 2)); + var dist3 = math.sqrt(math.pow(x3 - x2, 2) + math.pow(y3 - y2, 2) + math.pow(z3 - z2, 2)); + var diffDist; + if (dist1 > dist2) { + if (dist1 > dist3) { + diffDist = dist1 - dist2 - dist3; + } else { + diffDist = dist3 - dist2 - dist1; + } + } else if (dist3 > dist2) { + diffDist = dist3 - dist2 - dist1; + } else { + diffDist = dist2 - dist1 - dist3; + } + return diffDist > -0.0001 && diffDist < 0.0001; + } + + var getBezierLength = (function () { + return function (pt1, pt2, pt3, pt4) { + var curveSegments = getDefaultCurveSegments(); + var k; + var i; + var len; + var ptCoord; + var perc; + var addedLength = 0; + var ptDistance; + var point = []; + var lastPoint = []; + var lengthData = bezierLengthPool.newElement(); + len = pt3.length; + for (k = 0; k < curveSegments; k += 1) { + perc = k / (curveSegments - 1); + ptDistance = 0; + for (i = 0; i < len; i += 1) { + ptCoord = bmPow(1 - perc, 3) * pt1[i] + 3 * bmPow(1 - perc, 2) * perc * pt3[i] + 3 * (1 - perc) * bmPow(perc, 2) * pt4[i] + bmPow(perc, 3) * pt2[i]; + point[i] = ptCoord; + if (lastPoint[i] !== null) { + ptDistance += bmPow(point[i] - lastPoint[i], 2); + } + lastPoint[i] = point[i]; + } + if (ptDistance) { + ptDistance = bmSqrt(ptDistance); + addedLength += ptDistance; + } + lengthData.percents[k] = perc; + lengthData.lengths[k] = addedLength; + } + lengthData.addedLength = addedLength; + return lengthData; + }; + }()); + + function getSegmentsLength(shapeData) { + var segmentsLength = segmentsLengthPool.newElement(); + var closed = shapeData.c; + var pathV = shapeData.v; + var pathO = shapeData.o; + var pathI = shapeData.i; + var i; + var len = shapeData._length; + var lengths = segmentsLength.lengths; + var totalLength = 0; + for (i = 0; i < len - 1; i += 1) { + lengths[i] = getBezierLength(pathV[i], pathV[i + 1], pathO[i], pathI[i + 1]); + totalLength += lengths[i].addedLength; + } + if (closed && len) { + lengths[i] = getBezierLength(pathV[i], pathV[0], pathO[i], pathI[0]); + totalLength += lengths[i].addedLength; + } + segmentsLength.totalLength = totalLength; + return segmentsLength; + } + + function BezierData(length) { + this.segmentLength = 0; + this.points = new Array(length); + } + + function PointData(partial, point) { + this.partialLength = partial; + this.point = point; + } + + var buildBezierData = (function () { + var storedData = {}; + + return function (pt1, pt2, pt3, pt4) { + var bezierName = (pt1[0] + '_' + pt1[1] + '_' + pt2[0] + '_' + pt2[1] + '_' + pt3[0] + '_' + pt3[1] + '_' + pt4[0] + '_' + pt4[1]).replace(/\./g, 'p'); + if (!storedData[bezierName]) { + var curveSegments = getDefaultCurveSegments(); + var k; + var i; + var len; + var ptCoord; + var perc; + var addedLength = 0; + var ptDistance; + var point; + var lastPoint = null; + if (pt1.length === 2 && (pt1[0] !== pt2[0] || pt1[1] !== pt2[1]) && pointOnLine2D(pt1[0], pt1[1], pt2[0], pt2[1], pt1[0] + pt3[0], pt1[1] + pt3[1]) && pointOnLine2D(pt1[0], pt1[1], pt2[0], pt2[1], pt2[0] + pt4[0], pt2[1] + pt4[1])) { + curveSegments = 2; + } + var bezierData = new BezierData(curveSegments); + len = pt3.length; + for (k = 0; k < curveSegments; k += 1) { + point = createSizedArray(len); + perc = k / (curveSegments - 1); + ptDistance = 0; + for (i = 0; i < len; i += 1) { + ptCoord = bmPow(1 - perc, 3) * pt1[i] + 3 * bmPow(1 - perc, 2) * perc * (pt1[i] + pt3[i]) + 3 * (1 - perc) * bmPow(perc, 2) * (pt2[i] + pt4[i]) + bmPow(perc, 3) * pt2[i]; + point[i] = ptCoord; + if (lastPoint !== null) { + ptDistance += bmPow(point[i] - lastPoint[i], 2); + } + } + ptDistance = bmSqrt(ptDistance); + addedLength += ptDistance; + bezierData.points[k] = new PointData(ptDistance, point); + lastPoint = point; + } + bezierData.segmentLength = addedLength; + storedData[bezierName] = bezierData; + } + return storedData[bezierName]; + }; + }()); + + function getDistancePerc(perc, bezierData) { + var percents = bezierData.percents; + var lengths = bezierData.lengths; + var len = percents.length; + var initPos = bmFloor((len - 1) * perc); + var lengthPos = perc * bezierData.addedLength; + var lPerc = 0; + if (initPos === len - 1 || initPos === 0 || lengthPos === lengths[initPos]) { + return percents[initPos]; + } + var dir = lengths[initPos] > lengthPos ? -1 : 1; + var flag = true; + while (flag) { + if (lengths[initPos] <= lengthPos && lengths[initPos + 1] > lengthPos) { + lPerc = (lengthPos - lengths[initPos]) / (lengths[initPos + 1] - lengths[initPos]); + flag = false; + } else { + initPos += dir; + } + if (initPos < 0 || initPos >= len - 1) { + // FIX for TypedArrays that don't store floating point values with enough accuracy + if (initPos === len - 1) { + return percents[initPos]; + } + flag = false; + } + } + return percents[initPos] + (percents[initPos + 1] - percents[initPos]) * lPerc; + } + + function getPointInSegment(pt1, pt2, pt3, pt4, percent, bezierData) { + var t1 = getDistancePerc(percent, bezierData); + var u1 = 1 - t1; + var ptX = math.round((u1 * u1 * u1 * pt1[0] + (t1 * u1 * u1 + u1 * t1 * u1 + u1 * u1 * t1) * pt3[0] + (t1 * t1 * u1 + u1 * t1 * t1 + t1 * u1 * t1) * pt4[0] + t1 * t1 * t1 * pt2[0]) * 1000) / 1000; + var ptY = math.round((u1 * u1 * u1 * pt1[1] + (t1 * u1 * u1 + u1 * t1 * u1 + u1 * u1 * t1) * pt3[1] + (t1 * t1 * u1 + u1 * t1 * t1 + t1 * u1 * t1) * pt4[1] + t1 * t1 * t1 * pt2[1]) * 1000) / 1000; + return [ptX, ptY]; + } + + var bezierSegmentPoints = createTypedArray('float32', 8); + + function getNewSegment(pt1, pt2, pt3, pt4, startPerc, endPerc, bezierData) { + if (startPerc < 0) { + startPerc = 0; + } else if (startPerc > 1) { + startPerc = 1; + } + var t0 = getDistancePerc(startPerc, bezierData); + endPerc = endPerc > 1 ? 1 : endPerc; + var t1 = getDistancePerc(endPerc, bezierData); + var i; + var len = pt1.length; + var u0 = 1 - t0; + var u1 = 1 - t1; + var u0u0u0 = u0 * u0 * u0; + var t0u0u0_3 = t0 * u0 * u0 * 3; // eslint-disable-line camelcase + var t0t0u0_3 = t0 * t0 * u0 * 3; // eslint-disable-line camelcase + var t0t0t0 = t0 * t0 * t0; + // + var u0u0u1 = u0 * u0 * u1; + var t0u0u1_3 = t0 * u0 * u1 + u0 * t0 * u1 + u0 * u0 * t1; // eslint-disable-line camelcase + var t0t0u1_3 = t0 * t0 * u1 + u0 * t0 * t1 + t0 * u0 * t1; // eslint-disable-line camelcase + var t0t0t1 = t0 * t0 * t1; + // + var u0u1u1 = u0 * u1 * u1; + var t0u1u1_3 = t0 * u1 * u1 + u0 * t1 * u1 + u0 * u1 * t1; // eslint-disable-line camelcase + var t0t1u1_3 = t0 * t1 * u1 + u0 * t1 * t1 + t0 * u1 * t1; // eslint-disable-line camelcase + var t0t1t1 = t0 * t1 * t1; + // + var u1u1u1 = u1 * u1 * u1; + var t1u1u1_3 = t1 * u1 * u1 + u1 * t1 * u1 + u1 * u1 * t1; // eslint-disable-line camelcase + var t1t1u1_3 = t1 * t1 * u1 + u1 * t1 * t1 + t1 * u1 * t1; // eslint-disable-line camelcase + var t1t1t1 = t1 * t1 * t1; + for (i = 0; i < len; i += 1) { + bezierSegmentPoints[i * 4] = math.round((u0u0u0 * pt1[i] + t0u0u0_3 * pt3[i] + t0t0u0_3 * pt4[i] + t0t0t0 * pt2[i]) * 1000) / 1000; // eslint-disable-line camelcase + bezierSegmentPoints[i * 4 + 1] = math.round((u0u0u1 * pt1[i] + t0u0u1_3 * pt3[i] + t0t0u1_3 * pt4[i] + t0t0t1 * pt2[i]) * 1000) / 1000; // eslint-disable-line camelcase + bezierSegmentPoints[i * 4 + 2] = math.round((u0u1u1 * pt1[i] + t0u1u1_3 * pt3[i] + t0t1u1_3 * pt4[i] + t0t1t1 * pt2[i]) * 1000) / 1000; // eslint-disable-line camelcase + bezierSegmentPoints[i * 4 + 3] = math.round((u1u1u1 * pt1[i] + t1u1u1_3 * pt3[i] + t1t1u1_3 * pt4[i] + t1t1t1 * pt2[i]) * 1000) / 1000; // eslint-disable-line camelcase + } + + return bezierSegmentPoints; + } + + return { + getSegmentsLength: getSegmentsLength, + getNewSegment: getNewSegment, + getPointInSegment: getPointInSegment, + buildBezierData: buildBezierData, + pointOnLine2D: pointOnLine2D, + pointOnLine3D: pointOnLine3D, + }; +} + +const bez = bezFunction(); + +const PropertyFactory = (function () { + var initFrame = initialDefaultFrame; + var mathAbs = Math.abs; + + function interpolateValue(frameNum, caching) { + var offsetTime = this.offsetTime; + var newValue; + if (this.propType === 'multidimensional') { + newValue = createTypedArray('float32', this.pv.length); + } + var iterationIndex = caching.lastIndex; + var i = iterationIndex; + var len = this.keyframes.length - 1; + var flag = true; + var keyData; + var nextKeyData; + var keyframeMetadata; + + while (flag) { + keyData = this.keyframes[i]; + nextKeyData = this.keyframes[i + 1]; + if (i === len - 1 && frameNum >= nextKeyData.t - offsetTime) { + if (keyData.h) { + keyData = nextKeyData; + } + iterationIndex = 0; + break; + } + if ((nextKeyData.t - offsetTime) > frameNum) { + iterationIndex = i; + break; + } + if (i < len - 1) { + i += 1; + } else { + iterationIndex = 0; + flag = false; + } + } + keyframeMetadata = this.keyframesMetadata[i] || {}; + + var k; + var kLen; + var perc; + var jLen; + var j; + var fnc; + var nextKeyTime = nextKeyData.t - offsetTime; + var keyTime = keyData.t - offsetTime; + var endValue; + if (keyData.to) { + if (!keyframeMetadata.bezierData) { + keyframeMetadata.bezierData = bez.buildBezierData(keyData.s, nextKeyData.s || keyData.e, keyData.to, keyData.ti); + } + var bezierData = keyframeMetadata.bezierData; + if (frameNum >= nextKeyTime || frameNum < keyTime) { + var ind = frameNum >= nextKeyTime ? bezierData.points.length - 1 : 0; + kLen = bezierData.points[ind].point.length; + for (k = 0; k < kLen; k += 1) { + newValue[k] = bezierData.points[ind].point[k]; + } + // caching._lastKeyframeIndex = -1; + } else { + if (keyframeMetadata.__fnct) { + fnc = keyframeMetadata.__fnct; + } else { + fnc = BezierFactory.getBezierEasing(keyData.o.x, keyData.o.y, keyData.i.x, keyData.i.y, keyData.n).get; + keyframeMetadata.__fnct = fnc; + } + perc = fnc((frameNum - keyTime) / (nextKeyTime - keyTime)); + var distanceInLine = bezierData.segmentLength * perc; + + var segmentPerc; + var addedLength = (caching.lastFrame < frameNum && caching._lastKeyframeIndex === i) ? caching._lastAddedLength : 0; + j = (caching.lastFrame < frameNum && caching._lastKeyframeIndex === i) ? caching._lastPoint : 0; + flag = true; + jLen = bezierData.points.length; + while (flag) { + addedLength += bezierData.points[j].partialLength; + if (distanceInLine === 0 || perc === 0 || j === bezierData.points.length - 1) { + kLen = bezierData.points[j].point.length; + for (k = 0; k < kLen; k += 1) { + newValue[k] = bezierData.points[j].point[k]; + } + break; + } else if (distanceInLine >= addedLength && distanceInLine < addedLength + bezierData.points[j + 1].partialLength) { + segmentPerc = (distanceInLine - addedLength) / bezierData.points[j + 1].partialLength; + kLen = bezierData.points[j].point.length; + for (k = 0; k < kLen; k += 1) { + newValue[k] = bezierData.points[j].point[k] + (bezierData.points[j + 1].point[k] - bezierData.points[j].point[k]) * segmentPerc; + } + break; + } + if (j < jLen - 1) { + j += 1; + } else { + flag = false; + } + } + caching._lastPoint = j; + caching._lastAddedLength = addedLength - bezierData.points[j].partialLength; + caching._lastKeyframeIndex = i; + } + } else { + var outX; + var outY; + var inX; + var inY; + var keyValue; + len = keyData.s.length; + endValue = nextKeyData.s || keyData.e; + if (this.sh && keyData.h !== 1) { + if (frameNum >= nextKeyTime) { + newValue[0] = endValue[0]; + newValue[1] = endValue[1]; + newValue[2] = endValue[2]; + } else if (frameNum <= keyTime) { + newValue[0] = keyData.s[0]; + newValue[1] = keyData.s[1]; + newValue[2] = keyData.s[2]; + } else { + var quatStart = createQuaternion(keyData.s); + var quatEnd = createQuaternion(endValue); + var time = (frameNum - keyTime) / (nextKeyTime - keyTime); + quaternionToEuler(newValue, slerp(quatStart, quatEnd, time)); + } + } else { + for (i = 0; i < len; i += 1) { + if (keyData.h !== 1) { + if (frameNum >= nextKeyTime) { + perc = 1; + } else if (frameNum < keyTime) { + perc = 0; + } else { + if (keyData.o.x.constructor === Array) { + if (!keyframeMetadata.__fnct) { + keyframeMetadata.__fnct = []; + } + if (!keyframeMetadata.__fnct[i]) { + outX = keyData.o.x[i] === undefined ? keyData.o.x[0] : keyData.o.x[i]; + outY = keyData.o.y[i] === undefined ? keyData.o.y[0] : keyData.o.y[i]; + inX = keyData.i.x[i] === undefined ? keyData.i.x[0] : keyData.i.x[i]; + inY = keyData.i.y[i] === undefined ? keyData.i.y[0] : keyData.i.y[i]; + fnc = BezierFactory.getBezierEasing(outX, outY, inX, inY).get; + keyframeMetadata.__fnct[i] = fnc; + } else { + fnc = keyframeMetadata.__fnct[i]; + } + } else if (!keyframeMetadata.__fnct) { + outX = keyData.o.x; + outY = keyData.o.y; + inX = keyData.i.x; + inY = keyData.i.y; + fnc = BezierFactory.getBezierEasing(outX, outY, inX, inY).get; + keyData.keyframeMetadata = fnc; + } else { + fnc = keyframeMetadata.__fnct; + } + perc = fnc((frameNum - keyTime) / (nextKeyTime - keyTime)); + } + } + + endValue = nextKeyData.s || keyData.e; + keyValue = keyData.h === 1 ? keyData.s[i] : keyData.s[i] + (endValue[i] - keyData.s[i]) * perc; + + if (this.propType === 'multidimensional') { + newValue[i] = keyValue; + } else { + newValue = keyValue; + } + } + } + } + caching.lastIndex = iterationIndex; + return newValue; + } + + // based on @Toji's https://github.com/toji/gl-matrix/ + function slerp(a, b, t) { + var out = []; + var ax = a[0]; + var ay = a[1]; + var az = a[2]; + var aw = a[3]; + var bx = b[0]; + var by = b[1]; + var bz = b[2]; + var bw = b[3]; + + var omega; + var cosom; + var sinom; + var scale0; + var scale1; + + cosom = ax * bx + ay * by + az * bz + aw * bw; + if (cosom < 0.0) { + cosom = -cosom; + bx = -bx; + by = -by; + bz = -bz; + bw = -bw; + } + if ((1.0 - cosom) > 0.000001) { + omega = Math.acos(cosom); + sinom = Math.sin(omega); + scale0 = Math.sin((1.0 - t) * omega) / sinom; + scale1 = Math.sin(t * omega) / sinom; + } else { + scale0 = 1.0 - t; + scale1 = t; + } + out[0] = scale0 * ax + scale1 * bx; + out[1] = scale0 * ay + scale1 * by; + out[2] = scale0 * az + scale1 * bz; + out[3] = scale0 * aw + scale1 * bw; + + return out; + } + + function quaternionToEuler(out, quat) { + var qx = quat[0]; + var qy = quat[1]; + var qz = quat[2]; + var qw = quat[3]; + var heading = Math.atan2(2 * qy * qw - 2 * qx * qz, 1 - 2 * qy * qy - 2 * qz * qz); + var attitude = Math.asin(2 * qx * qy + 2 * qz * qw); + var bank = Math.atan2(2 * qx * qw - 2 * qy * qz, 1 - 2 * qx * qx - 2 * qz * qz); + out[0] = heading / degToRads; + out[1] = attitude / degToRads; + out[2] = bank / degToRads; + } + + function createQuaternion(values) { + var heading = values[0] * degToRads; + var attitude = values[1] * degToRads; + var bank = values[2] * degToRads; + var c1 = Math.cos(heading / 2); + var c2 = Math.cos(attitude / 2); + var c3 = Math.cos(bank / 2); + var s1 = Math.sin(heading / 2); + var s2 = Math.sin(attitude / 2); + var s3 = Math.sin(bank / 2); + var w = c1 * c2 * c3 - s1 * s2 * s3; + var x = s1 * s2 * c3 + c1 * c2 * s3; + var y = s1 * c2 * c3 + c1 * s2 * s3; + var z = c1 * s2 * c3 - s1 * c2 * s3; + + return [x, y, z, w]; + } + + function getValueAtCurrentTime() { + var frameNum = this.comp.renderedFrame - this.offsetTime; + var initTime = this.keyframes[0].t - this.offsetTime; + var endTime = this.keyframes[this.keyframes.length - 1].t - this.offsetTime; + if (!(frameNum === this._caching.lastFrame || (this._caching.lastFrame !== initFrame && ((this._caching.lastFrame >= endTime && frameNum >= endTime) || (this._caching.lastFrame < initTime && frameNum < initTime))))) { + if (this._caching.lastFrame >= frameNum) { + this._caching._lastKeyframeIndex = -1; + this._caching.lastIndex = 0; + } + + var renderResult = this.interpolateValue(frameNum, this._caching); + this.pv = renderResult; + } + this._caching.lastFrame = frameNum; + return this.pv; + } + + function setVValue(val) { + var multipliedValue; + if (this.propType === 'unidimensional') { + multipliedValue = val * this.mult; + if (mathAbs(this.v - multipliedValue) > 0.00001) { + this.v = multipliedValue; + this._mdf = true; + } + } else { + var i = 0; + var len = this.v.length; + while (i < len) { + multipliedValue = val[i] * this.mult; + if (mathAbs(this.v[i] - multipliedValue) > 0.00001) { + this.v[i] = multipliedValue; + this._mdf = true; + } + i += 1; + } + } + } + + function processEffectsSequence() { + if (this.elem.globalData.frameId === this.frameId || !this.effectsSequence.length) { + return; + } + if (this.lock) { + this.setVValue(this.pv); + return; + } + this.lock = true; + this._mdf = this._isFirstFrame; + var i; + var len = this.effectsSequence.length; + var finalValue = this.kf ? this.pv : this.data.k; + for (i = 0; i < len; i += 1) { + finalValue = this.effectsSequence[i](finalValue); + } + this.setVValue(finalValue); + this._isFirstFrame = false; + this.lock = false; + this.frameId = this.elem.globalData.frameId; + } + + function addEffect(effectFunction) { + this.effectsSequence.push(effectFunction); + this.container.addDynamicProperty(this); + } + + function ValueProperty(elem, data, mult, container) { + this.propType = 'unidimensional'; + this.mult = mult || 1; + this.data = data; + this.v = mult ? data.k * mult : data.k; + this.pv = data.k; + this._mdf = false; + this.elem = elem; + this.container = container; + this.comp = elem.comp; + this.k = false; + this.kf = false; + this.vel = 0; + this.effectsSequence = []; + this._isFirstFrame = true; + this.getValue = processEffectsSequence; + this.setVValue = setVValue; + this.addEffect = addEffect; + } + + function MultiDimensionalProperty(elem, data, mult, container) { + this.propType = 'multidimensional'; + this.mult = mult || 1; + this.data = data; + this._mdf = false; + this.elem = elem; + this.container = container; + this.comp = elem.comp; + this.k = false; + this.kf = false; + this.frameId = -1; + var i; + var len = data.k.length; + this.v = createTypedArray('float32', len); + this.pv = createTypedArray('float32', len); + this.vel = createTypedArray('float32', len); + for (i = 0; i < len; i += 1) { + this.v[i] = data.k[i] * this.mult; + this.pv[i] = data.k[i]; + } + this._isFirstFrame = true; + this.effectsSequence = []; + this.getValue = processEffectsSequence; + this.setVValue = setVValue; + this.addEffect = addEffect; + } + + function KeyframedValueProperty(elem, data, mult, container) { + this.propType = 'unidimensional'; + this.keyframes = data.k; + this.keyframesMetadata = []; + this.offsetTime = elem.data.st; + this.frameId = -1; + this._caching = { + lastFrame: initFrame, lastIndex: 0, value: 0, _lastKeyframeIndex: -1, + }; + this.k = true; + this.kf = true; + this.data = data; + this.mult = mult || 1; + this.elem = elem; + this.container = container; + this.comp = elem.comp; + this.v = initFrame; + this.pv = initFrame; + this._isFirstFrame = true; + this.getValue = processEffectsSequence; + this.setVValue = setVValue; + this.interpolateValue = interpolateValue; + this.effectsSequence = [getValueAtCurrentTime.bind(this)]; + this.addEffect = addEffect; + } + + function KeyframedMultidimensionalProperty(elem, data, mult, container) { + this.propType = 'multidimensional'; + var i; + var len = data.k.length; + var s; + var e; + var to; + var ti; + for (i = 0; i < len - 1; i += 1) { + if (data.k[i].to && data.k[i].s && data.k[i + 1] && data.k[i + 1].s) { + s = data.k[i].s; + e = data.k[i + 1].s; + to = data.k[i].to; + ti = data.k[i].ti; + if ((s.length === 2 && !(s[0] === e[0] && s[1] === e[1]) && bez.pointOnLine2D(s[0], s[1], e[0], e[1], s[0] + to[0], s[1] + to[1]) && bez.pointOnLine2D(s[0], s[1], e[0], e[1], e[0] + ti[0], e[1] + ti[1])) || (s.length === 3 && !(s[0] === e[0] && s[1] === e[1] && s[2] === e[2]) && bez.pointOnLine3D(s[0], s[1], s[2], e[0], e[1], e[2], s[0] + to[0], s[1] + to[1], s[2] + to[2]) && bez.pointOnLine3D(s[0], s[1], s[2], e[0], e[1], e[2], e[0] + ti[0], e[1] + ti[1], e[2] + ti[2]))) { + data.k[i].to = null; + data.k[i].ti = null; + } + if (s[0] === e[0] && s[1] === e[1] && to[0] === 0 && to[1] === 0 && ti[0] === 0 && ti[1] === 0) { + if (s.length === 2 || (s[2] === e[2] && to[2] === 0 && ti[2] === 0)) { + data.k[i].to = null; + data.k[i].ti = null; + } + } + } + } + this.effectsSequence = [getValueAtCurrentTime.bind(this)]; + this.data = data; + this.keyframes = data.k; + this.keyframesMetadata = []; + this.offsetTime = elem.data.st; + this.k = true; + this.kf = true; + this._isFirstFrame = true; + this.mult = mult || 1; + this.elem = elem; + this.container = container; + this.comp = elem.comp; + this.getValue = processEffectsSequence; + this.setVValue = setVValue; + this.interpolateValue = interpolateValue; + this.frameId = -1; + var arrLen = data.k[0].s.length; + this.v = createTypedArray('float32', arrLen); + this.pv = createTypedArray('float32', arrLen); + for (i = 0; i < arrLen; i += 1) { + this.v[i] = initFrame; + this.pv[i] = initFrame; + } + this._caching = { lastFrame: initFrame, lastIndex: 0, value: createTypedArray('float32', arrLen) }; + this.addEffect = addEffect; + } + + function getProp(elem, data, type, mult, container) { + var p; + if (!data.k.length) { + p = new ValueProperty(elem, data, mult, container); + } else if (typeof (data.k[0]) === 'number') { + p = new MultiDimensionalProperty(elem, data, mult, container); + } else { + switch (type) { + case 0: + p = new KeyframedValueProperty(elem, data, mult, container); + break; + case 1: + p = new KeyframedMultidimensionalProperty(elem, data, mult, container); + break; + default: + break; + } + } + if (p.effectsSequence.length) { + container.addDynamicProperty(p); + } + return p; + } + + var ob = { + getProp: getProp, + }; + return ob; +}()); + +function DynamicPropertyContainer() {} +DynamicPropertyContainer.prototype = { + addDynamicProperty: function (prop) { + if (this.dynamicProperties.indexOf(prop) === -1) { + this.dynamicProperties.push(prop); + this.container.addDynamicProperty(this); + this._isAnimated = true; + } + }, + iterateDynamicProperties: function () { + this._mdf = false; + var i; + var len = this.dynamicProperties.length; + for (i = 0; i < len; i += 1) { + this.dynamicProperties[i].getValue(); + if (this.dynamicProperties[i]._mdf) { + this._mdf = true; + } + } + }, + initDynamicPropertyContainer: function (container) { + this.container = container; + this.dynamicProperties = []; + this._mdf = false; + this._isAnimated = false; + }, +}; + +const pointPool = (function () { + function create() { + return createTypedArray('float32', 2); + } + return poolFactory(8, create); +}()); + +function ShapePath() { + this.c = false; + this._length = 0; + this._maxLength = 8; + this.v = createSizedArray(this._maxLength); + this.o = createSizedArray(this._maxLength); + this.i = createSizedArray(this._maxLength); +} + +ShapePath.prototype.setPathData = function (closed, len) { + this.c = closed; + this.setLength(len); + var i = 0; + while (i < len) { + this.v[i] = pointPool.newElement(); + this.o[i] = pointPool.newElement(); + this.i[i] = pointPool.newElement(); + i += 1; + } +}; + +ShapePath.prototype.setLength = function (len) { + while (this._maxLength < len) { + this.doubleArrayLength(); + } + this._length = len; +}; + +ShapePath.prototype.doubleArrayLength = function () { + this.v = this.v.concat(createSizedArray(this._maxLength)); + this.i = this.i.concat(createSizedArray(this._maxLength)); + this.o = this.o.concat(createSizedArray(this._maxLength)); + this._maxLength *= 2; +}; + +ShapePath.prototype.setXYAt = function (x, y, type, pos, replace) { + var arr; + this._length = Math.max(this._length, pos + 1); + if (this._length >= this._maxLength) { + this.doubleArrayLength(); + } + switch (type) { + case 'v': + arr = this.v; + break; + case 'i': + arr = this.i; + break; + case 'o': + arr = this.o; + break; + default: + arr = []; + break; + } + if (!arr[pos] || (arr[pos] && !replace)) { + arr[pos] = pointPool.newElement(); + } + arr[pos][0] = x; + arr[pos][1] = y; +}; + +ShapePath.prototype.setTripleAt = function (vX, vY, oX, oY, iX, iY, pos, replace) { + this.setXYAt(vX, vY, 'v', pos, replace); + this.setXYAt(oX, oY, 'o', pos, replace); + this.setXYAt(iX, iY, 'i', pos, replace); +}; + +ShapePath.prototype.reverse = function () { + var newPath = new ShapePath(); + newPath.setPathData(this.c, this._length); + var vertices = this.v; + var outPoints = this.o; + var inPoints = this.i; + var init = 0; + if (this.c) { + newPath.setTripleAt(vertices[0][0], vertices[0][1], inPoints[0][0], inPoints[0][1], outPoints[0][0], outPoints[0][1], 0, false); + init = 1; + } + var cnt = this._length - 1; + var len = this._length; + + var i; + for (i = init; i < len; i += 1) { + newPath.setTripleAt(vertices[cnt][0], vertices[cnt][1], inPoints[cnt][0], inPoints[cnt][1], outPoints[cnt][0], outPoints[cnt][1], i, false); + cnt -= 1; + } + return newPath; +}; + +const shapePool = (function () { + function create() { + return new ShapePath(); + } + + function release(shapePath) { + var len = shapePath._length; + var i; + for (i = 0; i < len; i += 1) { + pointPool.release(shapePath.v[i]); + pointPool.release(shapePath.i[i]); + pointPool.release(shapePath.o[i]); + shapePath.v[i] = null; + shapePath.i[i] = null; + shapePath.o[i] = null; + } + shapePath._length = 0; + shapePath.c = false; + } + + function clone(shape) { + var cloned = factory.newElement(); + var i; + var len = shape._length === undefined ? shape.v.length : shape._length; + cloned.setLength(len); + cloned.c = shape.c; + + for (i = 0; i < len; i += 1) { + cloned.setTripleAt(shape.v[i][0], shape.v[i][1], shape.o[i][0], shape.o[i][1], shape.i[i][0], shape.i[i][1], i); + } + return cloned; + } + + var factory = poolFactory(4, create, release); + factory.clone = clone; + + return factory; +}()); + +function ShapeCollection() { + this._length = 0; + this._maxLength = 4; + this.shapes = createSizedArray(this._maxLength); +} + +ShapeCollection.prototype.addShape = function (shapeData) { + if (this._length === this._maxLength) { + this.shapes = this.shapes.concat(createSizedArray(this._maxLength)); + this._maxLength *= 2; + } + this.shapes[this._length] = shapeData; + this._length += 1; +}; + +ShapeCollection.prototype.releaseShapes = function () { + var i; + for (i = 0; i < this._length; i += 1) { + shapePool.release(this.shapes[i]); + } + this._length = 0; +}; + +const shapeCollectionPool = (function () { + var ob = { + newShapeCollection: newShapeCollection, + release: release, + }; + + var _length = 0; + var _maxLength = 4; + var pool = createSizedArray(_maxLength); + + function newShapeCollection() { + var shapeCollection; + if (_length) { + _length -= 1; + shapeCollection = pool[_length]; + } else { + shapeCollection = new ShapeCollection(); + } + return shapeCollection; + } + + function release(shapeCollection) { + var i; + var len = shapeCollection._length; + for (i = 0; i < len; i += 1) { + shapePool.release(shapeCollection.shapes[i]); + } + shapeCollection._length = 0; + + if (_length === _maxLength) { + pool = pooling.double(pool); + _maxLength *= 2; + } + pool[_length] = shapeCollection; + _length += 1; + } + + return ob; +}()); + +const ShapePropertyFactory = (function () { + var initFrame = -999999; + + function interpolateShape(frameNum, previousValue, caching) { + var iterationIndex = caching.lastIndex; + var keyPropS; + var keyPropE; + var isHold; + var j; + var k; + var jLen; + var kLen; + var perc; + var vertexValue; + var kf = this.keyframes; + if (frameNum < kf[0].t - this.offsetTime) { + keyPropS = kf[0].s[0]; + isHold = true; + iterationIndex = 0; + } else if (frameNum >= kf[kf.length - 1].t - this.offsetTime) { + keyPropS = kf[kf.length - 1].s ? kf[kf.length - 1].s[0] : kf[kf.length - 2].e[0]; + /* if(kf[kf.length - 1].s){ + keyPropS = kf[kf.length - 1].s[0]; + }else{ + keyPropS = kf[kf.length - 2].e[0]; + } */ + isHold = true; + } else { + var i = iterationIndex; + var len = kf.length - 1; + var flag = true; + var keyData; + var nextKeyData; + var keyframeMetadata; + while (flag) { + keyData = kf[i]; + nextKeyData = kf[i + 1]; + if ((nextKeyData.t - this.offsetTime) > frameNum) { + break; + } + if (i < len - 1) { + i += 1; + } else { + flag = false; + } + } + keyframeMetadata = this.keyframesMetadata[i] || {}; + isHold = keyData.h === 1; + iterationIndex = i; + if (!isHold) { + if (frameNum >= nextKeyData.t - this.offsetTime) { + perc = 1; + } else if (frameNum < keyData.t - this.offsetTime) { + perc = 0; + } else { + var fnc; + if (keyframeMetadata.__fnct) { + fnc = keyframeMetadata.__fnct; + } else { + fnc = BezierFactory.getBezierEasing(keyData.o.x, keyData.o.y, keyData.i.x, keyData.i.y).get; + keyframeMetadata.__fnct = fnc; + } + perc = fnc((frameNum - (keyData.t - this.offsetTime)) / ((nextKeyData.t - this.offsetTime) - (keyData.t - this.offsetTime))); + } + keyPropE = nextKeyData.s ? nextKeyData.s[0] : keyData.e[0]; + } + keyPropS = keyData.s[0]; + } + jLen = previousValue._length; + kLen = keyPropS.i[0].length; + caching.lastIndex = iterationIndex; + + for (j = 0; j < jLen; j += 1) { + for (k = 0; k < kLen; k += 1) { + vertexValue = isHold ? keyPropS.i[j][k] : keyPropS.i[j][k] + (keyPropE.i[j][k] - keyPropS.i[j][k]) * perc; + previousValue.i[j][k] = vertexValue; + vertexValue = isHold ? keyPropS.o[j][k] : keyPropS.o[j][k] + (keyPropE.o[j][k] - keyPropS.o[j][k]) * perc; + previousValue.o[j][k] = vertexValue; + vertexValue = isHold ? keyPropS.v[j][k] : keyPropS.v[j][k] + (keyPropE.v[j][k] - keyPropS.v[j][k]) * perc; + previousValue.v[j][k] = vertexValue; + } + } + } + + function interpolateShapeCurrentTime() { + var frameNum = this.comp.renderedFrame - this.offsetTime; + var initTime = this.keyframes[0].t - this.offsetTime; + var endTime = this.keyframes[this.keyframes.length - 1].t - this.offsetTime; + var lastFrame = this._caching.lastFrame; + if (!(lastFrame !== initFrame && ((lastFrame < initTime && frameNum < initTime) || (lastFrame > endTime && frameNum > endTime)))) { + /// / + this._caching.lastIndex = lastFrame < frameNum ? this._caching.lastIndex : 0; + this.interpolateShape(frameNum, this.pv, this._caching); + /// / + } + this._caching.lastFrame = frameNum; + return this.pv; + } + + function resetShape() { + this.paths = this.localShapeCollection; + } + + function shapesEqual(shape1, shape2) { + if (shape1._length !== shape2._length || shape1.c !== shape2.c) { + return false; + } + var i; + var len = shape1._length; + for (i = 0; i < len; i += 1) { + if (shape1.v[i][0] !== shape2.v[i][0] + || shape1.v[i][1] !== shape2.v[i][1] + || shape1.o[i][0] !== shape2.o[i][0] + || shape1.o[i][1] !== shape2.o[i][1] + || shape1.i[i][0] !== shape2.i[i][0] + || shape1.i[i][1] !== shape2.i[i][1]) { + return false; + } + } + return true; + } + + function setVValue(newPath) { + if (!shapesEqual(this.v, newPath)) { + this.v = shapePool.clone(newPath); + this.localShapeCollection.releaseShapes(); + this.localShapeCollection.addShape(this.v); + this._mdf = true; + this.paths = this.localShapeCollection; + } + } + + function processEffectsSequence() { + if (this.elem.globalData.frameId === this.frameId) { + return; + } if (!this.effectsSequence.length) { + this._mdf = false; + return; + } + if (this.lock) { + this.setVValue(this.pv); + return; + } + this.lock = true; + this._mdf = false; + var finalValue; + if (this.kf) { + finalValue = this.pv; + } else if (this.data.ks) { + finalValue = this.data.ks.k; + } else { + finalValue = this.data.pt.k; + } + var i; + var len = this.effectsSequence.length; + for (i = 0; i < len; i += 1) { + finalValue = this.effectsSequence[i](finalValue); + } + this.setVValue(finalValue); + this.lock = false; + this.frameId = this.elem.globalData.frameId; + } + + function ShapeProperty(elem, data, type) { + this.propType = 'shape'; + this.comp = elem.comp; + this.container = elem; + this.elem = elem; + this.data = data; + this.k = false; + this.kf = false; + this._mdf = false; + var pathData = type === 3 ? data.pt.k : data.ks.k; + this.v = shapePool.clone(pathData); + this.pv = shapePool.clone(this.v); + this.localShapeCollection = shapeCollectionPool.newShapeCollection(); + this.paths = this.localShapeCollection; + this.paths.addShape(this.v); + this.reset = resetShape; + this.effectsSequence = []; + } + + function addEffect(effectFunction) { + this.effectsSequence.push(effectFunction); + this.container.addDynamicProperty(this); + } + + ShapeProperty.prototype.interpolateShape = interpolateShape; + ShapeProperty.prototype.getValue = processEffectsSequence; + ShapeProperty.prototype.setVValue = setVValue; + ShapeProperty.prototype.addEffect = addEffect; + + function KeyframedShapeProperty(elem, data, type) { + this.propType = 'shape'; + this.comp = elem.comp; + this.elem = elem; + this.container = elem; + this.offsetTime = elem.data.st; + this.keyframes = type === 3 ? data.pt.k : data.ks.k; + this.keyframesMetadata = []; + this.k = true; + this.kf = true; + var len = this.keyframes[0].s[0].i.length; + this.v = shapePool.newElement(); + this.v.setPathData(this.keyframes[0].s[0].c, len); + this.pv = shapePool.clone(this.v); + this.localShapeCollection = shapeCollectionPool.newShapeCollection(); + this.paths = this.localShapeCollection; + this.paths.addShape(this.v); + this.lastFrame = initFrame; + this.reset = resetShape; + this._caching = { lastFrame: initFrame, lastIndex: 0 }; + this.effectsSequence = [interpolateShapeCurrentTime.bind(this)]; + } + KeyframedShapeProperty.prototype.getValue = processEffectsSequence; + KeyframedShapeProperty.prototype.interpolateShape = interpolateShape; + KeyframedShapeProperty.prototype.setVValue = setVValue; + KeyframedShapeProperty.prototype.addEffect = addEffect; + + var EllShapeProperty = (function () { + var cPoint = roundCorner; + + function EllShapePropertyFactory(elem, data) { + this.v = shapePool.newElement(); + this.v.setPathData(true, 4); + this.localShapeCollection = shapeCollectionPool.newShapeCollection(); + this.paths = this.localShapeCollection; + this.localShapeCollection.addShape(this.v); + this.d = data.d; + this.elem = elem; + this.comp = elem.comp; + this.frameId = -1; + this.initDynamicPropertyContainer(elem); + this.p = PropertyFactory.getProp(elem, data.p, 1, 0, this); + this.s = PropertyFactory.getProp(elem, data.s, 1, 0, this); + if (this.dynamicProperties.length) { + this.k = true; + } else { + this.k = false; + this.convertEllToPath(); + } + } + + EllShapePropertyFactory.prototype = { + reset: resetShape, + getValue: function () { + if (this.elem.globalData.frameId === this.frameId) { + return; + } + this.frameId = this.elem.globalData.frameId; + this.iterateDynamicProperties(); + + if (this._mdf) { + this.convertEllToPath(); + } + }, + convertEllToPath: function () { + var p0 = this.p.v[0]; + var p1 = this.p.v[1]; + var s0 = this.s.v[0] / 2; + var s1 = this.s.v[1] / 2; + var _cw = this.d !== 3; + var _v = this.v; + _v.v[0][0] = p0; + _v.v[0][1] = p1 - s1; + _v.v[1][0] = _cw ? p0 + s0 : p0 - s0; + _v.v[1][1] = p1; + _v.v[2][0] = p0; + _v.v[2][1] = p1 + s1; + _v.v[3][0] = _cw ? p0 - s0 : p0 + s0; + _v.v[3][1] = p1; + _v.i[0][0] = _cw ? p0 - s0 * cPoint : p0 + s0 * cPoint; + _v.i[0][1] = p1 - s1; + _v.i[1][0] = _cw ? p0 + s0 : p0 - s0; + _v.i[1][1] = p1 - s1 * cPoint; + _v.i[2][0] = _cw ? p0 + s0 * cPoint : p0 - s0 * cPoint; + _v.i[2][1] = p1 + s1; + _v.i[3][0] = _cw ? p0 - s0 : p0 + s0; + _v.i[3][1] = p1 + s1 * cPoint; + _v.o[0][0] = _cw ? p0 + s0 * cPoint : p0 - s0 * cPoint; + _v.o[0][1] = p1 - s1; + _v.o[1][0] = _cw ? p0 + s0 : p0 - s0; + _v.o[1][1] = p1 + s1 * cPoint; + _v.o[2][0] = _cw ? p0 - s0 * cPoint : p0 + s0 * cPoint; + _v.o[2][1] = p1 + s1; + _v.o[3][0] = _cw ? p0 - s0 : p0 + s0; + _v.o[3][1] = p1 - s1 * cPoint; + }, + }; + + extendPrototype([DynamicPropertyContainer], EllShapePropertyFactory); + + return EllShapePropertyFactory; + }()); + + var StarShapeProperty = (function () { + function StarShapePropertyFactory(elem, data) { + this.v = shapePool.newElement(); + this.v.setPathData(true, 0); + this.elem = elem; + this.comp = elem.comp; + this.data = data; + this.frameId = -1; + this.d = data.d; + this.initDynamicPropertyContainer(elem); + if (data.sy === 1) { + this.ir = PropertyFactory.getProp(elem, data.ir, 0, 0, this); + this.is = PropertyFactory.getProp(elem, data.is, 0, 0.01, this); + this.convertToPath = this.convertStarToPath; + } else { + this.convertToPath = this.convertPolygonToPath; + } + this.pt = PropertyFactory.getProp(elem, data.pt, 0, 0, this); + this.p = PropertyFactory.getProp(elem, data.p, 1, 0, this); + this.r = PropertyFactory.getProp(elem, data.r, 0, degToRads, this); + this.or = PropertyFactory.getProp(elem, data.or, 0, 0, this); + this.os = PropertyFactory.getProp(elem, data.os, 0, 0.01, this); + this.localShapeCollection = shapeCollectionPool.newShapeCollection(); + this.localShapeCollection.addShape(this.v); + this.paths = this.localShapeCollection; + if (this.dynamicProperties.length) { + this.k = true; + } else { + this.k = false; + this.convertToPath(); + } + } + + StarShapePropertyFactory.prototype = { + reset: resetShape, + getValue: function () { + if (this.elem.globalData.frameId === this.frameId) { + return; + } + this.frameId = this.elem.globalData.frameId; + this.iterateDynamicProperties(); + if (this._mdf) { + this.convertToPath(); + } + }, + convertStarToPath: function () { + var numPts = Math.floor(this.pt.v) * 2; + var angle = (Math.PI * 2) / numPts; + /* this.v.v.length = numPts; + this.v.i.length = numPts; + this.v.o.length = numPts; */ + var longFlag = true; + var longRad = this.or.v; + var shortRad = this.ir.v; + var longRound = this.os.v; + var shortRound = this.is.v; + var longPerimSegment = (2 * Math.PI * longRad) / (numPts * 2); + var shortPerimSegment = (2 * Math.PI * shortRad) / (numPts * 2); + var i; + var rad; + var roundness; + var perimSegment; + var currentAng = -Math.PI / 2; + currentAng += this.r.v; + var dir = this.data.d === 3 ? -1 : 1; + this.v._length = 0; + for (i = 0; i < numPts; i += 1) { + rad = longFlag ? longRad : shortRad; + roundness = longFlag ? longRound : shortRound; + perimSegment = longFlag ? longPerimSegment : shortPerimSegment; + var x = rad * Math.cos(currentAng); + var y = rad * Math.sin(currentAng); + var ox = x === 0 && y === 0 ? 0 : y / Math.sqrt(x * x + y * y); + var oy = x === 0 && y === 0 ? 0 : -x / Math.sqrt(x * x + y * y); + x += +this.p.v[0]; + y += +this.p.v[1]; + this.v.setTripleAt(x, y, x - ox * perimSegment * roundness * dir, y - oy * perimSegment * roundness * dir, x + ox * perimSegment * roundness * dir, y + oy * perimSegment * roundness * dir, i, true); + + /* this.v.v[i] = [x,y]; + this.v.i[i] = [x+ox*perimSegment*roundness*dir,y+oy*perimSegment*roundness*dir]; + this.v.o[i] = [x-ox*perimSegment*roundness*dir,y-oy*perimSegment*roundness*dir]; + this.v._length = numPts; */ + longFlag = !longFlag; + currentAng += angle * dir; + } + }, + convertPolygonToPath: function () { + var numPts = Math.floor(this.pt.v); + var angle = (Math.PI * 2) / numPts; + var rad = this.or.v; + var roundness = this.os.v; + var perimSegment = (2 * Math.PI * rad) / (numPts * 4); + var i; + var currentAng = -Math.PI * 0.5; + var dir = this.data.d === 3 ? -1 : 1; + currentAng += this.r.v; + this.v._length = 0; + for (i = 0; i < numPts; i += 1) { + var x = rad * Math.cos(currentAng); + var y = rad * Math.sin(currentAng); + var ox = x === 0 && y === 0 ? 0 : y / Math.sqrt(x * x + y * y); + var oy = x === 0 && y === 0 ? 0 : -x / Math.sqrt(x * x + y * y); + x += +this.p.v[0]; + y += +this.p.v[1]; + this.v.setTripleAt(x, y, x - ox * perimSegment * roundness * dir, y - oy * perimSegment * roundness * dir, x + ox * perimSegment * roundness * dir, y + oy * perimSegment * roundness * dir, i, true); + currentAng += angle * dir; + } + this.paths.length = 0; + this.paths[0] = this.v; + }, + + }; + extendPrototype([DynamicPropertyContainer], StarShapePropertyFactory); + + return StarShapePropertyFactory; + }()); + + var RectShapeProperty = (function () { + function RectShapePropertyFactory(elem, data) { + this.v = shapePool.newElement(); + this.v.c = true; + this.localShapeCollection = shapeCollectionPool.newShapeCollection(); + this.localShapeCollection.addShape(this.v); + this.paths = this.localShapeCollection; + this.elem = elem; + this.comp = elem.comp; + this.frameId = -1; + this.d = data.d; + this.initDynamicPropertyContainer(elem); + this.p = PropertyFactory.getProp(elem, data.p, 1, 0, this); + this.s = PropertyFactory.getProp(elem, data.s, 1, 0, this); + this.r = PropertyFactory.getProp(elem, data.r, 0, 0, this); + if (this.dynamicProperties.length) { + this.k = true; + } else { + this.k = false; + this.convertRectToPath(); + } + } + + RectShapePropertyFactory.prototype = { + convertRectToPath: function () { + var p0 = this.p.v[0]; + var p1 = this.p.v[1]; + var v0 = this.s.v[0] / 2; + var v1 = this.s.v[1] / 2; + var round = bmMin(v0, v1, this.r.v); + var cPoint = round * (1 - roundCorner); + this.v._length = 0; + + if (this.d === 2 || this.d === 1) { + this.v.setTripleAt(p0 + v0, p1 - v1 + round, p0 + v0, p1 - v1 + round, p0 + v0, p1 - v1 + cPoint, 0, true); + this.v.setTripleAt(p0 + v0, p1 + v1 - round, p0 + v0, p1 + v1 - cPoint, p0 + v0, p1 + v1 - round, 1, true); + if (round !== 0) { + this.v.setTripleAt(p0 + v0 - round, p1 + v1, p0 + v0 - round, p1 + v1, p0 + v0 - cPoint, p1 + v1, 2, true); + this.v.setTripleAt(p0 - v0 + round, p1 + v1, p0 - v0 + cPoint, p1 + v1, p0 - v0 + round, p1 + v1, 3, true); + this.v.setTripleAt(p0 - v0, p1 + v1 - round, p0 - v0, p1 + v1 - round, p0 - v0, p1 + v1 - cPoint, 4, true); + this.v.setTripleAt(p0 - v0, p1 - v1 + round, p0 - v0, p1 - v1 + cPoint, p0 - v0, p1 - v1 + round, 5, true); + this.v.setTripleAt(p0 - v0 + round, p1 - v1, p0 - v0 + round, p1 - v1, p0 - v0 + cPoint, p1 - v1, 6, true); + this.v.setTripleAt(p0 + v0 - round, p1 - v1, p0 + v0 - cPoint, p1 - v1, p0 + v0 - round, p1 - v1, 7, true); + } else { + this.v.setTripleAt(p0 - v0, p1 + v1, p0 - v0 + cPoint, p1 + v1, p0 - v0, p1 + v1, 2); + this.v.setTripleAt(p0 - v0, p1 - v1, p0 - v0, p1 - v1 + cPoint, p0 - v0, p1 - v1, 3); + } + } else { + this.v.setTripleAt(p0 + v0, p1 - v1 + round, p0 + v0, p1 - v1 + cPoint, p0 + v0, p1 - v1 + round, 0, true); + if (round !== 0) { + this.v.setTripleAt(p0 + v0 - round, p1 - v1, p0 + v0 - round, p1 - v1, p0 + v0 - cPoint, p1 - v1, 1, true); + this.v.setTripleAt(p0 - v0 + round, p1 - v1, p0 - v0 + cPoint, p1 - v1, p0 - v0 + round, p1 - v1, 2, true); + this.v.setTripleAt(p0 - v0, p1 - v1 + round, p0 - v0, p1 - v1 + round, p0 - v0, p1 - v1 + cPoint, 3, true); + this.v.setTripleAt(p0 - v0, p1 + v1 - round, p0 - v0, p1 + v1 - cPoint, p0 - v0, p1 + v1 - round, 4, true); + this.v.setTripleAt(p0 - v0 + round, p1 + v1, p0 - v0 + round, p1 + v1, p0 - v0 + cPoint, p1 + v1, 5, true); + this.v.setTripleAt(p0 + v0 - round, p1 + v1, p0 + v0 - cPoint, p1 + v1, p0 + v0 - round, p1 + v1, 6, true); + this.v.setTripleAt(p0 + v0, p1 + v1 - round, p0 + v0, p1 + v1 - round, p0 + v0, p1 + v1 - cPoint, 7, true); + } else { + this.v.setTripleAt(p0 - v0, p1 - v1, p0 - v0 + cPoint, p1 - v1, p0 - v0, p1 - v1, 1, true); + this.v.setTripleAt(p0 - v0, p1 + v1, p0 - v0, p1 + v1 - cPoint, p0 - v0, p1 + v1, 2, true); + this.v.setTripleAt(p0 + v0, p1 + v1, p0 + v0 - cPoint, p1 + v1, p0 + v0, p1 + v1, 3, true); + } + } + }, + getValue: function () { + if (this.elem.globalData.frameId === this.frameId) { + return; + } + this.frameId = this.elem.globalData.frameId; + this.iterateDynamicProperties(); + if (this._mdf) { + this.convertRectToPath(); + } + }, + reset: resetShape, + }; + extendPrototype([DynamicPropertyContainer], RectShapePropertyFactory); + + return RectShapePropertyFactory; + }()); + + function getShapeProp(elem, data, type) { + var prop; + if (type === 3 || type === 4) { + var dataProp = type === 3 ? data.pt : data.ks; + var keys = dataProp.k; + if (keys.length) { + prop = new KeyframedShapeProperty(elem, data, type); + } else { + prop = new ShapeProperty(elem, data, type); + } + } else if (type === 5) { + prop = new RectShapeProperty(elem, data); + } else if (type === 6) { + prop = new EllShapeProperty(elem, data); + } else if (type === 7) { + prop = new StarShapeProperty(elem, data); + } + if (prop.k) { + elem.addDynamicProperty(prop); + } + return prop; + } + + function getConstructorFunction() { + return ShapeProperty; + } + + function getKeyframedConstructorFunction() { + return KeyframedShapeProperty; + } + + var ob = {}; + ob.getShapeProp = getShapeProp; + ob.getConstructorFunction = getConstructorFunction; + ob.getKeyframedConstructorFunction = getKeyframedConstructorFunction; + return ob; +}()); + +/*! + Transformation Matrix v2.0 + (c) Epistemex 2014-2015 + www.epistemex.com + By Ken Fyrstenberg + Contributions by leeoniya. + License: MIT, header required. + */ + +/** + * 2D transformation matrix object initialized with identity matrix. + * + * The matrix can synchronize a canvas context by supplying the context + * as an argument, or later apply current absolute transform to an + * existing context. + * + * All values are handled as floating point values. + * + * @param {CanvasRenderingContext2D} [context] - Optional context to sync with Matrix + * @prop {number} a - scale x + * @prop {number} b - shear y + * @prop {number} c - shear x + * @prop {number} d - scale y + * @prop {number} e - translate x + * @prop {number} f - translate y + * @prop {CanvasRenderingContext2D|null} [context=null] - set or get current canvas context + * @constructor + */ + +const Matrix = (function () { + var _cos = Math.cos; + var _sin = Math.sin; + var _tan = Math.tan; + var _rnd = Math.round; + + function reset() { + this.props[0] = 1; + this.props[1] = 0; + this.props[2] = 0; + this.props[3] = 0; + this.props[4] = 0; + this.props[5] = 1; + this.props[6] = 0; + this.props[7] = 0; + this.props[8] = 0; + this.props[9] = 0; + this.props[10] = 1; + this.props[11] = 0; + this.props[12] = 0; + this.props[13] = 0; + this.props[14] = 0; + this.props[15] = 1; + return this; + } + + function rotate(angle) { + if (angle === 0) { + return this; + } + var mCos = _cos(angle); + var mSin = _sin(angle); + return this._t(mCos, -mSin, 0, 0, mSin, mCos, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); + } + + function rotateX(angle) { + if (angle === 0) { + return this; + } + var mCos = _cos(angle); + var mSin = _sin(angle); + return this._t(1, 0, 0, 0, 0, mCos, -mSin, 0, 0, mSin, mCos, 0, 0, 0, 0, 1); + } + + function rotateY(angle) { + if (angle === 0) { + return this; + } + var mCos = _cos(angle); + var mSin = _sin(angle); + return this._t(mCos, 0, mSin, 0, 0, 1, 0, 0, -mSin, 0, mCos, 0, 0, 0, 0, 1); + } + + function rotateZ(angle) { + if (angle === 0) { + return this; + } + var mCos = _cos(angle); + var mSin = _sin(angle); + return this._t(mCos, -mSin, 0, 0, mSin, mCos, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); + } + + function shear(sx, sy) { + return this._t(1, sy, sx, 1, 0, 0); + } + + function skew(ax, ay) { + return this.shear(_tan(ax), _tan(ay)); + } + + function skewFromAxis(ax, angle) { + var mCos = _cos(angle); + var mSin = _sin(angle); + return this._t(mCos, mSin, 0, 0, -mSin, mCos, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1) + ._t(1, 0, 0, 0, _tan(ax), 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1) + ._t(mCos, -mSin, 0, 0, mSin, mCos, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); + // return this._t(mCos, mSin, -mSin, mCos, 0, 0)._t(1, 0, _tan(ax), 1, 0, 0)._t(mCos, -mSin, mSin, mCos, 0, 0); + } + + function scale(sx, sy, sz) { + if (!sz && sz !== 0) { + sz = 1; + } + if (sx === 1 && sy === 1 && sz === 1) { + return this; + } + return this._t(sx, 0, 0, 0, 0, sy, 0, 0, 0, 0, sz, 0, 0, 0, 0, 1); + } + + function setTransform(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) { + this.props[0] = a; + this.props[1] = b; + this.props[2] = c; + this.props[3] = d; + this.props[4] = e; + this.props[5] = f; + this.props[6] = g; + this.props[7] = h; + this.props[8] = i; + this.props[9] = j; + this.props[10] = k; + this.props[11] = l; + this.props[12] = m; + this.props[13] = n; + this.props[14] = o; + this.props[15] = p; + return this; + } + + function translate(tx, ty, tz) { + tz = tz || 0; + if (tx !== 0 || ty !== 0 || tz !== 0) { + return this._t(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, tx, ty, tz, 1); + } + return this; + } + + function transform(a2, b2, c2, d2, e2, f2, g2, h2, i2, j2, k2, l2, m2, n2, o2, p2) { + var _p = this.props; + + if (a2 === 1 && b2 === 0 && c2 === 0 && d2 === 0 && e2 === 0 && f2 === 1 && g2 === 0 && h2 === 0 && i2 === 0 && j2 === 0 && k2 === 1 && l2 === 0) { + // NOTE: commenting this condition because TurboFan deoptimizes code when present + // if(m2 !== 0 || n2 !== 0 || o2 !== 0){ + _p[12] = _p[12] * a2 + _p[15] * m2; + _p[13] = _p[13] * f2 + _p[15] * n2; + _p[14] = _p[14] * k2 + _p[15] * o2; + _p[15] *= p2; + // } + this._identityCalculated = false; + return this; + } + + var a1 = _p[0]; + var b1 = _p[1]; + var c1 = _p[2]; + var d1 = _p[3]; + var e1 = _p[4]; + var f1 = _p[5]; + var g1 = _p[6]; + var h1 = _p[7]; + var i1 = _p[8]; + var j1 = _p[9]; + var k1 = _p[10]; + var l1 = _p[11]; + var m1 = _p[12]; + var n1 = _p[13]; + var o1 = _p[14]; + var p1 = _p[15]; + + /* matrix order (canvas compatible): + * ace + * bdf + * 001 + */ + _p[0] = a1 * a2 + b1 * e2 + c1 * i2 + d1 * m2; + _p[1] = a1 * b2 + b1 * f2 + c1 * j2 + d1 * n2; + _p[2] = a1 * c2 + b1 * g2 + c1 * k2 + d1 * o2; + _p[3] = a1 * d2 + b1 * h2 + c1 * l2 + d1 * p2; + + _p[4] = e1 * a2 + f1 * e2 + g1 * i2 + h1 * m2; + _p[5] = e1 * b2 + f1 * f2 + g1 * j2 + h1 * n2; + _p[6] = e1 * c2 + f1 * g2 + g1 * k2 + h1 * o2; + _p[7] = e1 * d2 + f1 * h2 + g1 * l2 + h1 * p2; + + _p[8] = i1 * a2 + j1 * e2 + k1 * i2 + l1 * m2; + _p[9] = i1 * b2 + j1 * f2 + k1 * j2 + l1 * n2; + _p[10] = i1 * c2 + j1 * g2 + k1 * k2 + l1 * o2; + _p[11] = i1 * d2 + j1 * h2 + k1 * l2 + l1 * p2; + + _p[12] = m1 * a2 + n1 * e2 + o1 * i2 + p1 * m2; + _p[13] = m1 * b2 + n1 * f2 + o1 * j2 + p1 * n2; + _p[14] = m1 * c2 + n1 * g2 + o1 * k2 + p1 * o2; + _p[15] = m1 * d2 + n1 * h2 + o1 * l2 + p1 * p2; + + this._identityCalculated = false; + return this; + } + + function isIdentity() { + if (!this._identityCalculated) { + this._identity = !(this.props[0] !== 1 || this.props[1] !== 0 || this.props[2] !== 0 || this.props[3] !== 0 || this.props[4] !== 0 || this.props[5] !== 1 || this.props[6] !== 0 || this.props[7] !== 0 || this.props[8] !== 0 || this.props[9] !== 0 || this.props[10] !== 1 || this.props[11] !== 0 || this.props[12] !== 0 || this.props[13] !== 0 || this.props[14] !== 0 || this.props[15] !== 1); + this._identityCalculated = true; + } + return this._identity; + } + + function equals(matr) { + var i = 0; + while (i < 16) { + if (matr.props[i] !== this.props[i]) { + return false; + } + i += 1; + } + return true; + } + + function clone(matr) { + var i; + for (i = 0; i < 16; i += 1) { + matr.props[i] = this.props[i]; + } + return matr; + } + + function cloneFromProps(props) { + var i; + for (i = 0; i < 16; i += 1) { + this.props[i] = props[i]; + } + } + + function applyToPoint(x, y, z) { + return { + x: x * this.props[0] + y * this.props[4] + z * this.props[8] + this.props[12], + y: x * this.props[1] + y * this.props[5] + z * this.props[9] + this.props[13], + z: x * this.props[2] + y * this.props[6] + z * this.props[10] + this.props[14], + }; + /* return { + x: x * me.a + y * me.c + me.e, + y: x * me.b + y * me.d + me.f + }; */ + } + function applyToX(x, y, z) { + return x * this.props[0] + y * this.props[4] + z * this.props[8] + this.props[12]; + } + function applyToY(x, y, z) { + return x * this.props[1] + y * this.props[5] + z * this.props[9] + this.props[13]; + } + function applyToZ(x, y, z) { + return x * this.props[2] + y * this.props[6] + z * this.props[10] + this.props[14]; + } + + function getInverseMatrix() { + var determinant = this.props[0] * this.props[5] - this.props[1] * this.props[4]; + var a = this.props[5] / determinant; + var b = -this.props[1] / determinant; + var c = -this.props[4] / determinant; + var d = this.props[0] / determinant; + var e = (this.props[4] * this.props[13] - this.props[5] * this.props[12]) / determinant; + var f = -(this.props[0] * this.props[13] - this.props[1] * this.props[12]) / determinant; + var inverseMatrix = new Matrix(); + inverseMatrix.props[0] = a; + inverseMatrix.props[1] = b; + inverseMatrix.props[4] = c; + inverseMatrix.props[5] = d; + inverseMatrix.props[12] = e; + inverseMatrix.props[13] = f; + return inverseMatrix; + } + + function inversePoint(pt) { + var inverseMatrix = this.getInverseMatrix(); + return inverseMatrix.applyToPointArray(pt[0], pt[1], pt[2] || 0); + } + + function inversePoints(pts) { + var i; + var len = pts.length; + var retPts = []; + for (i = 0; i < len; i += 1) { + retPts[i] = inversePoint(pts[i]); + } + return retPts; + } + + function applyToTriplePoints(pt1, pt2, pt3) { + var arr = createTypedArray('float32', 6); + if (this.isIdentity()) { + arr[0] = pt1[0]; + arr[1] = pt1[1]; + arr[2] = pt2[0]; + arr[3] = pt2[1]; + arr[4] = pt3[0]; + arr[5] = pt3[1]; + } else { + var p0 = this.props[0]; + var p1 = this.props[1]; + var p4 = this.props[4]; + var p5 = this.props[5]; + var p12 = this.props[12]; + var p13 = this.props[13]; + arr[0] = pt1[0] * p0 + pt1[1] * p4 + p12; + arr[1] = pt1[0] * p1 + pt1[1] * p5 + p13; + arr[2] = pt2[0] * p0 + pt2[1] * p4 + p12; + arr[3] = pt2[0] * p1 + pt2[1] * p5 + p13; + arr[4] = pt3[0] * p0 + pt3[1] * p4 + p12; + arr[5] = pt3[0] * p1 + pt3[1] * p5 + p13; + } + return arr; + } + + function applyToPointArray(x, y, z) { + var arr; + if (this.isIdentity()) { + arr = [x, y, z]; + } else { + arr = [ + x * this.props[0] + y * this.props[4] + z * this.props[8] + this.props[12], + x * this.props[1] + y * this.props[5] + z * this.props[9] + this.props[13], + x * this.props[2] + y * this.props[6] + z * this.props[10] + this.props[14], + ]; + } + return arr; + } + + function applyToPointStringified(x, y) { + if (this.isIdentity()) { + return x + ',' + y; + } + var _p = this.props; + return Math.round((x * _p[0] + y * _p[4] + _p[12]) * 100) / 100 + ',' + Math.round((x * _p[1] + y * _p[5] + _p[13]) * 100) / 100; + } + + function toCSS() { + // Doesn't make much sense to add this optimization. If it is an identity matrix, it's very likely this will get called only once since it won't be keyframed. + /* if(this.isIdentity()) { + return ''; + } */ + var i = 0; + var props = this.props; + var cssValue = 'matrix3d('; + var v = 10000; + while (i < 16) { + cssValue += _rnd(props[i] * v) / v; + cssValue += i === 15 ? ')' : ','; + i += 1; + } + return cssValue; + } + + function roundMatrixProperty(val) { + var v = 10000; + if ((val < 0.000001 && val > 0) || (val > -0.000001 && val < 0)) { + return _rnd(val * v) / v; + } + return val; + } + + function to2dCSS() { + // Doesn't make much sense to add this optimization. If it is an identity matrix, it's very likely this will get called only once since it won't be keyframed. + /* if(this.isIdentity()) { + return ''; + } */ + var props = this.props; + var _a = roundMatrixProperty(props[0]); + var _b = roundMatrixProperty(props[1]); + var _c = roundMatrixProperty(props[4]); + var _d = roundMatrixProperty(props[5]); + var _e = roundMatrixProperty(props[12]); + var _f = roundMatrixProperty(props[13]); + return 'matrix(' + _a + ',' + _b + ',' + _c + ',' + _d + ',' + _e + ',' + _f + ')'; + } + + return function () { + this.reset = reset; + this.rotate = rotate; + this.rotateX = rotateX; + this.rotateY = rotateY; + this.rotateZ = rotateZ; + this.skew = skew; + this.skewFromAxis = skewFromAxis; + this.shear = shear; + this.scale = scale; + this.setTransform = setTransform; + this.translate = translate; + this.transform = transform; + this.applyToPoint = applyToPoint; + this.applyToX = applyToX; + this.applyToY = applyToY; + this.applyToZ = applyToZ; + this.applyToPointArray = applyToPointArray; + this.applyToTriplePoints = applyToTriplePoints; + this.applyToPointStringified = applyToPointStringified; + this.toCSS = toCSS; + this.to2dCSS = to2dCSS; + this.clone = clone; + this.cloneFromProps = cloneFromProps; + this.equals = equals; + this.inversePoints = inversePoints; + this.inversePoint = inversePoint; + this.getInverseMatrix = getInverseMatrix; + this._t = this.transform; + this.isIdentity = isIdentity; + this._identity = true; + this._identityCalculated = false; + + this.props = createTypedArray('float32', 16); + this.reset(); + }; +}()); + +var standalone = '__[STANDALONE]__'; +var animationData = '__[ANIMATIONDATA]__'; +var renderer = ''; + +function setLocation(href) { + setLocationHref(href); +} + +function searchAnimations() { + if (standalone === true) { + animationManager.searchAnimations(animationData, standalone, renderer); + } else { + animationManager.searchAnimations(); + } +} + +function setSubframeRendering(flag) { + setSubframeEnabled(flag); +} + +function setPrefix(prefix) { + setIdPrefix(prefix); +} + +function loadAnimation(params) { + if (standalone === true) { + params.animationData = JSON.parse(animationData); + } + return animationManager.loadAnimation(params); +} + +function setQuality(value) { + if (typeof value === 'string') { + switch (value) { + case 'high': + setDefaultCurveSegments(200); + break; + default: + case 'medium': + setDefaultCurveSegments(50); + break; + case 'low': + setDefaultCurveSegments(10); + break; + } + } else if (!isNaN(value) && value > 1) { + setDefaultCurveSegments(value); + } + if (getDefaultCurveSegments() >= 50) { + roundValues(false); + } else { + roundValues(true); + } +} + +function inBrowser() { + return typeof navigator !== 'undefined'; +} + +function installPlugin(type, plugin) { + if (type === 'expressions') { + setExpressionsPlugin(plugin); + } +} + +function getFactory(name) { + switch (name) { + case 'propertyFactory': + return PropertyFactory; + case 'shapePropertyFactory': + return ShapePropertyFactory; + case 'matrix': + return Matrix; + default: + return null; + } +} + +lottie.play = animationManager.play; +lottie.pause = animationManager.pause; +lottie.setLocationHref = setLocation; +lottie.togglePause = animationManager.togglePause; +lottie.setSpeed = animationManager.setSpeed; +lottie.setDirection = animationManager.setDirection; +lottie.stop = animationManager.stop; +lottie.searchAnimations = searchAnimations; +lottie.registerAnimation = animationManager.registerAnimation; +lottie.loadAnimation = loadAnimation; +lottie.setSubframeRendering = setSubframeRendering; +lottie.resize = animationManager.resize; +// lottie.start = start; +lottie.goToAndStop = animationManager.goToAndStop; +lottie.destroy = animationManager.destroy; +lottie.setQuality = setQuality; +lottie.inBrowser = inBrowser; +lottie.installPlugin = installPlugin; +lottie.freeze = animationManager.freeze; +lottie.unfreeze = animationManager.unfreeze; +lottie.setVolume = animationManager.setVolume; +lottie.mute = animationManager.mute; +lottie.unmute = animationManager.unmute; +lottie.getRegisteredAnimations = animationManager.getRegisteredAnimations; +lottie.useWebWorker = setWebWorker; +lottie.setIDPrefix = setPrefix; +lottie.__getFactory = getFactory; +lottie.version = '[[BM_VERSION]]'; + +function checkReady() { + if (document.readyState === 'complete') { + clearInterval(readyStateCheckInterval); + searchAnimations(); + } +} + +function getQueryVariable(variable) { + var vars = queryString.split('&'); + for (var i = 0; i < vars.length; i += 1) { + var pair = vars[i].split('='); + if (decodeURIComponent(pair[0]) == variable) { // eslint-disable-line eqeqeq + return decodeURIComponent(pair[1]); + } + } + return null; +} +var queryString = ''; +if (standalone) { + var scripts = document.getElementsByTagName('script'); + var index = scripts.length - 1; + var myScript = scripts[index] || { + src: '', + }; + queryString = myScript.src ? myScript.src.replace(/^[^\?]+\??/, '') : ''; // eslint-disable-line no-useless-escape + renderer = getQueryVariable('renderer'); +} +var readyStateCheckInterval = setInterval(checkReady, 100); + +// this adds bodymovin to the window object for backwards compatibility +try { + if (!(typeof exports === 'object' && typeof module !== 'undefined') + && !(typeof define === 'function' && define.amd) // eslint-disable-line no-undef + ) { + window.bodymovin = lottie; + } +} catch (err) { + // +} + +const ShapeModifiers = (function () { + var ob = {}; + var modifiers = {}; + ob.registerModifier = registerModifier; + ob.getModifier = getModifier; + + function registerModifier(nm, factory) { + if (!modifiers[nm]) { + modifiers[nm] = factory; + } + } + + function getModifier(nm, elem, data) { + return new modifiers[nm](elem, data); + } + + return ob; +}()); + +function ShapeModifier() {} +ShapeModifier.prototype.initModifierProperties = function () {}; +ShapeModifier.prototype.addShapeToModifier = function () {}; +ShapeModifier.prototype.addShape = function (data) { + if (!this.closed) { + // Adding shape to dynamic properties. It covers the case where a shape has no effects applied, to reset it's _mdf state on every tick. + data.sh.container.addDynamicProperty(data.sh); + var shapeData = { shape: data.sh, data: data, localShapeCollection: shapeCollectionPool.newShapeCollection() }; + this.shapes.push(shapeData); + this.addShapeToModifier(shapeData); + if (this._isAnimated) { + data.setAsAnimated(); + } + } +}; +ShapeModifier.prototype.init = function (elem, data) { + this.shapes = []; + this.elem = elem; + this.initDynamicPropertyContainer(elem); + this.initModifierProperties(elem, data); + this.frameId = initialDefaultFrame; + this.closed = false; + this.k = false; + if (this.dynamicProperties.length) { + this.k = true; + } else { + this.getValue(true); + } +}; +ShapeModifier.prototype.processKeys = function () { + if (this.elem.globalData.frameId === this.frameId) { + return; + } + this.frameId = this.elem.globalData.frameId; + this.iterateDynamicProperties(); +}; + +extendPrototype([DynamicPropertyContainer], ShapeModifier); + +function TrimModifier() { +} +extendPrototype([ShapeModifier], TrimModifier); +TrimModifier.prototype.initModifierProperties = function (elem, data) { + this.s = PropertyFactory.getProp(elem, data.s, 0, 0.01, this); + this.e = PropertyFactory.getProp(elem, data.e, 0, 0.01, this); + this.o = PropertyFactory.getProp(elem, data.o, 0, 0, this); + this.sValue = 0; + this.eValue = 0; + this.getValue = this.processKeys; + this.m = data.m; + this._isAnimated = !!this.s.effectsSequence.length || !!this.e.effectsSequence.length || !!this.o.effectsSequence.length; +}; + +TrimModifier.prototype.addShapeToModifier = function (shapeData) { + shapeData.pathsData = []; +}; + +TrimModifier.prototype.calculateShapeEdges = function (s, e, shapeLength, addedLength, totalModifierLength) { + var segments = []; + if (e <= 1) { + segments.push({ + s: s, + e: e, + }); + } else if (s >= 1) { + segments.push({ + s: s - 1, + e: e - 1, + }); + } else { + segments.push({ + s: s, + e: 1, + }); + segments.push({ + s: 0, + e: e - 1, + }); + } + var shapeSegments = []; + var i; + var len = segments.length; + var segmentOb; + for (i = 0; i < len; i += 1) { + segmentOb = segments[i]; + if (!(segmentOb.e * totalModifierLength < addedLength || segmentOb.s * totalModifierLength > addedLength + shapeLength)) { + var shapeS; + var shapeE; + if (segmentOb.s * totalModifierLength <= addedLength) { + shapeS = 0; + } else { + shapeS = (segmentOb.s * totalModifierLength - addedLength) / shapeLength; + } + if (segmentOb.e * totalModifierLength >= addedLength + shapeLength) { + shapeE = 1; + } else { + shapeE = ((segmentOb.e * totalModifierLength - addedLength) / shapeLength); + } + shapeSegments.push([shapeS, shapeE]); + } + } + if (!shapeSegments.length) { + shapeSegments.push([0, 0]); + } + return shapeSegments; +}; + +TrimModifier.prototype.releasePathsData = function (pathsData) { + var i; + var len = pathsData.length; + for (i = 0; i < len; i += 1) { + segmentsLengthPool.release(pathsData[i]); + } + pathsData.length = 0; + return pathsData; +}; + +TrimModifier.prototype.processShapes = function (_isFirstFrame) { + var s; + var e; + if (this._mdf || _isFirstFrame) { + var o = (this.o.v % 360) / 360; + if (o < 0) { + o += 1; + } + if (this.s.v > 1) { + s = 1 + o; + } else if (this.s.v < 0) { + s = 0 + o; + } else { + s = this.s.v + o; + } + if (this.e.v > 1) { + e = 1 + o; + } else if (this.e.v < 0) { + e = 0 + o; + } else { + e = this.e.v + o; + } + + if (s > e) { + var _s = s; + s = e; + e = _s; + } + s = Math.round(s * 10000) * 0.0001; + e = Math.round(e * 10000) * 0.0001; + this.sValue = s; + this.eValue = e; + } else { + s = this.sValue; + e = this.eValue; + } + var shapePaths; + var i; + var len = this.shapes.length; + var j; + var jLen; + var pathsData; + var pathData; + var totalShapeLength; + var totalModifierLength = 0; + + if (e === s) { + for (i = 0; i < len; i += 1) { + this.shapes[i].localShapeCollection.releaseShapes(); + this.shapes[i].shape._mdf = true; + this.shapes[i].shape.paths = this.shapes[i].localShapeCollection; + if (this._mdf) { + this.shapes[i].pathsData.length = 0; + } + } + } else if (!((e === 1 && s === 0) || (e === 0 && s === 1))) { + var segments = []; + var shapeData; + var localShapeCollection; + for (i = 0; i < len; i += 1) { + shapeData = this.shapes[i]; + // if shape hasn't changed and trim properties haven't changed, cached previous path can be used + if (!shapeData.shape._mdf && !this._mdf && !_isFirstFrame && this.m !== 2) { + shapeData.shape.paths = shapeData.localShapeCollection; + } else { + shapePaths = shapeData.shape.paths; + jLen = shapePaths._length; + totalShapeLength = 0; + if (!shapeData.shape._mdf && shapeData.pathsData.length) { + totalShapeLength = shapeData.totalShapeLength; + } else { + pathsData = this.releasePathsData(shapeData.pathsData); + for (j = 0; j < jLen; j += 1) { + pathData = bez.getSegmentsLength(shapePaths.shapes[j]); + pathsData.push(pathData); + totalShapeLength += pathData.totalLength; + } + shapeData.totalShapeLength = totalShapeLength; + shapeData.pathsData = pathsData; + } + + totalModifierLength += totalShapeLength; + shapeData.shape._mdf = true; + } + } + var shapeS = s; + var shapeE = e; + var addedLength = 0; + var edges; + for (i = len - 1; i >= 0; i -= 1) { + shapeData = this.shapes[i]; + if (shapeData.shape._mdf) { + localShapeCollection = shapeData.localShapeCollection; + localShapeCollection.releaseShapes(); + // if m === 2 means paths are trimmed individually so edges need to be found for this specific shape relative to whoel group + if (this.m === 2 && len > 1) { + edges = this.calculateShapeEdges(s, e, shapeData.totalShapeLength, addedLength, totalModifierLength); + addedLength += shapeData.totalShapeLength; + } else { + edges = [[shapeS, shapeE]]; + } + jLen = edges.length; + for (j = 0; j < jLen; j += 1) { + shapeS = edges[j][0]; + shapeE = edges[j][1]; + segments.length = 0; + if (shapeE <= 1) { + segments.push({ + s: shapeData.totalShapeLength * shapeS, + e: shapeData.totalShapeLength * shapeE, + }); + } else if (shapeS >= 1) { + segments.push({ + s: shapeData.totalShapeLength * (shapeS - 1), + e: shapeData.totalShapeLength * (shapeE - 1), + }); + } else { + segments.push({ + s: shapeData.totalShapeLength * shapeS, + e: shapeData.totalShapeLength, + }); + segments.push({ + s: 0, + e: shapeData.totalShapeLength * (shapeE - 1), + }); + } + var newShapesData = this.addShapes(shapeData, segments[0]); + if (segments[0].s !== segments[0].e) { + if (segments.length > 1) { + var lastShapeInCollection = shapeData.shape.paths.shapes[shapeData.shape.paths._length - 1]; + if (lastShapeInCollection.c) { + var lastShape = newShapesData.pop(); + this.addPaths(newShapesData, localShapeCollection); + newShapesData = this.addShapes(shapeData, segments[1], lastShape); + } else { + this.addPaths(newShapesData, localShapeCollection); + newShapesData = this.addShapes(shapeData, segments[1]); + } + } + this.addPaths(newShapesData, localShapeCollection); + } + } + shapeData.shape.paths = localShapeCollection; + } + } + } else if (this._mdf) { + for (i = 0; i < len; i += 1) { + // Releasign Trim Cached paths data when no trim applied in case shapes are modified inbetween. + // Don't remove this even if it's losing cached info. + this.shapes[i].pathsData.length = 0; + this.shapes[i].shape._mdf = true; + } + } +}; + +TrimModifier.prototype.addPaths = function (newPaths, localShapeCollection) { + var i; + var len = newPaths.length; + for (i = 0; i < len; i += 1) { + localShapeCollection.addShape(newPaths[i]); + } +}; + +TrimModifier.prototype.addSegment = function (pt1, pt2, pt3, pt4, shapePath, pos, newShape) { + shapePath.setXYAt(pt2[0], pt2[1], 'o', pos); + shapePath.setXYAt(pt3[0], pt3[1], 'i', pos + 1); + if (newShape) { + shapePath.setXYAt(pt1[0], pt1[1], 'v', pos); + } + shapePath.setXYAt(pt4[0], pt4[1], 'v', pos + 1); +}; + +TrimModifier.prototype.addSegmentFromArray = function (points, shapePath, pos, newShape) { + shapePath.setXYAt(points[1], points[5], 'o', pos); + shapePath.setXYAt(points[2], points[6], 'i', pos + 1); + if (newShape) { + shapePath.setXYAt(points[0], points[4], 'v', pos); + } + shapePath.setXYAt(points[3], points[7], 'v', pos + 1); +}; + +TrimModifier.prototype.addShapes = function (shapeData, shapeSegment, shapePath) { + var pathsData = shapeData.pathsData; + var shapePaths = shapeData.shape.paths.shapes; + var i; + var len = shapeData.shape.paths._length; + var j; + var jLen; + var addedLength = 0; + var currentLengthData; + var segmentCount; + var lengths; + var segment; + var shapes = []; + var initPos; + var newShape = true; + if (!shapePath) { + shapePath = shapePool.newElement(); + segmentCount = 0; + initPos = 0; + } else { + segmentCount = shapePath._length; + initPos = shapePath._length; + } + shapes.push(shapePath); + for (i = 0; i < len; i += 1) { + lengths = pathsData[i].lengths; + shapePath.c = shapePaths[i].c; + jLen = shapePaths[i].c ? lengths.length : lengths.length + 1; + for (j = 1; j < jLen; j += 1) { + currentLengthData = lengths[j - 1]; + if (addedLength + currentLengthData.addedLength < shapeSegment.s) { + addedLength += currentLengthData.addedLength; + shapePath.c = false; + } else if (addedLength > shapeSegment.e) { + shapePath.c = false; + break; + } else { + if (shapeSegment.s <= addedLength && shapeSegment.e >= addedLength + currentLengthData.addedLength) { + this.addSegment(shapePaths[i].v[j - 1], shapePaths[i].o[j - 1], shapePaths[i].i[j], shapePaths[i].v[j], shapePath, segmentCount, newShape); + newShape = false; + } else { + segment = bez.getNewSegment(shapePaths[i].v[j - 1], shapePaths[i].v[j], shapePaths[i].o[j - 1], shapePaths[i].i[j], (shapeSegment.s - addedLength) / currentLengthData.addedLength, (shapeSegment.e - addedLength) / currentLengthData.addedLength, lengths[j - 1]); + this.addSegmentFromArray(segment, shapePath, segmentCount, newShape); + // this.addSegment(segment.pt1, segment.pt3, segment.pt4, segment.pt2, shapePath, segmentCount, newShape); + newShape = false; + shapePath.c = false; + } + addedLength += currentLengthData.addedLength; + segmentCount += 1; + } + } + if (shapePaths[i].c && lengths.length) { + currentLengthData = lengths[j - 1]; + if (addedLength <= shapeSegment.e) { + var segmentLength = lengths[j - 1].addedLength; + if (shapeSegment.s <= addedLength && shapeSegment.e >= addedLength + segmentLength) { + this.addSegment(shapePaths[i].v[j - 1], shapePaths[i].o[j - 1], shapePaths[i].i[0], shapePaths[i].v[0], shapePath, segmentCount, newShape); + newShape = false; + } else { + segment = bez.getNewSegment(shapePaths[i].v[j - 1], shapePaths[i].v[0], shapePaths[i].o[j - 1], shapePaths[i].i[0], (shapeSegment.s - addedLength) / segmentLength, (shapeSegment.e - addedLength) / segmentLength, lengths[j - 1]); + this.addSegmentFromArray(segment, shapePath, segmentCount, newShape); + // this.addSegment(segment.pt1, segment.pt3, segment.pt4, segment.pt2, shapePath, segmentCount, newShape); + newShape = false; + shapePath.c = false; + } + } else { + shapePath.c = false; + } + addedLength += currentLengthData.addedLength; + segmentCount += 1; + } + if (shapePath._length) { + shapePath.setXYAt(shapePath.v[initPos][0], shapePath.v[initPos][1], 'i', initPos); + shapePath.setXYAt(shapePath.v[shapePath._length - 1][0], shapePath.v[shapePath._length - 1][1], 'o', shapePath._length - 1); + } + if (addedLength > shapeSegment.e) { + break; + } + if (i < len - 1) { + shapePath = shapePool.newElement(); + newShape = true; + shapes.push(shapePath); + segmentCount = 0; + } + } + return shapes; +}; + +function PuckerAndBloatModifier() {} +extendPrototype([ShapeModifier], PuckerAndBloatModifier); +PuckerAndBloatModifier.prototype.initModifierProperties = function (elem, data) { + this.getValue = this.processKeys; + this.amount = PropertyFactory.getProp(elem, data.a, 0, null, this); + this._isAnimated = !!this.amount.effectsSequence.length; +}; + +PuckerAndBloatModifier.prototype.processPath = function (path, amount) { + var percent = amount / 100; + var centerPoint = [0, 0]; + var pathLength = path._length; + var i = 0; + for (i = 0; i < pathLength; i += 1) { + centerPoint[0] += path.v[i][0]; + centerPoint[1] += path.v[i][1]; + } + centerPoint[0] /= pathLength; + centerPoint[1] /= pathLength; + var clonedPath = shapePool.newElement(); + clonedPath.c = path.c; + var vX; + var vY; + var oX; + var oY; + var iX; + var iY; + for (i = 0; i < pathLength; i += 1) { + vX = path.v[i][0] + (centerPoint[0] - path.v[i][0]) * percent; + vY = path.v[i][1] + (centerPoint[1] - path.v[i][1]) * percent; + oX = path.o[i][0] + (centerPoint[0] - path.o[i][0]) * -percent; + oY = path.o[i][1] + (centerPoint[1] - path.o[i][1]) * -percent; + iX = path.i[i][0] + (centerPoint[0] - path.i[i][0]) * -percent; + iY = path.i[i][1] + (centerPoint[1] - path.i[i][1]) * -percent; + clonedPath.setTripleAt(vX, vY, oX, oY, iX, iY, i); + } + return clonedPath; +}; + +PuckerAndBloatModifier.prototype.processShapes = function (_isFirstFrame) { + var shapePaths; + var i; + var len = this.shapes.length; + var j; + var jLen; + var amount = this.amount.v; + + if (amount !== 0) { + var shapeData; + var localShapeCollection; + for (i = 0; i < len; i += 1) { + shapeData = this.shapes[i]; + localShapeCollection = shapeData.localShapeCollection; + if (!(!shapeData.shape._mdf && !this._mdf && !_isFirstFrame)) { + localShapeCollection.releaseShapes(); + shapeData.shape._mdf = true; + shapePaths = shapeData.shape.paths.shapes; + jLen = shapeData.shape.paths._length; + for (j = 0; j < jLen; j += 1) { + localShapeCollection.addShape(this.processPath(shapePaths[j], amount)); + } + } + shapeData.shape.paths = shapeData.localShapeCollection; + } + } + if (!this.dynamicProperties.length) { + this._mdf = false; + } +}; + +const TransformPropertyFactory = (function () { + var defaultVector = [0, 0]; + + function applyToMatrix(mat) { + var _mdf = this._mdf; + this.iterateDynamicProperties(); + this._mdf = this._mdf || _mdf; + if (this.a) { + mat.translate(-this.a.v[0], -this.a.v[1], this.a.v[2]); + } + if (this.s) { + mat.scale(this.s.v[0], this.s.v[1], this.s.v[2]); + } + if (this.sk) { + mat.skewFromAxis(-this.sk.v, this.sa.v); + } + if (this.r) { + mat.rotate(-this.r.v); + } else { + mat.rotateZ(-this.rz.v).rotateY(this.ry.v).rotateX(this.rx.v).rotateZ(-this.or.v[2]) + .rotateY(this.or.v[1]) + .rotateX(this.or.v[0]); + } + if (this.data.p.s) { + if (this.data.p.z) { + mat.translate(this.px.v, this.py.v, -this.pz.v); + } else { + mat.translate(this.px.v, this.py.v, 0); + } + } else { + mat.translate(this.p.v[0], this.p.v[1], -this.p.v[2]); + } + } + function processKeys(forceRender) { + if (this.elem.globalData.frameId === this.frameId) { + return; + } + if (this._isDirty) { + this.precalculateMatrix(); + this._isDirty = false; + } + + this.iterateDynamicProperties(); + + if (this._mdf || forceRender) { + var frameRate; + this.v.cloneFromProps(this.pre.props); + if (this.appliedTransformations < 1) { + this.v.translate(-this.a.v[0], -this.a.v[1], this.a.v[2]); + } + if (this.appliedTransformations < 2) { + this.v.scale(this.s.v[0], this.s.v[1], this.s.v[2]); + } + if (this.sk && this.appliedTransformations < 3) { + this.v.skewFromAxis(-this.sk.v, this.sa.v); + } + if (this.r && this.appliedTransformations < 4) { + this.v.rotate(-this.r.v); + } else if (!this.r && this.appliedTransformations < 4) { + this.v.rotateZ(-this.rz.v).rotateY(this.ry.v).rotateX(this.rx.v).rotateZ(-this.or.v[2]) + .rotateY(this.or.v[1]) + .rotateX(this.or.v[0]); + } + if (this.autoOriented) { + var v1; + var v2; + frameRate = this.elem.globalData.frameRate; + if (this.p && this.p.keyframes && this.p.getValueAtTime) { + if (this.p._caching.lastFrame + this.p.offsetTime <= this.p.keyframes[0].t) { + v1 = this.p.getValueAtTime((this.p.keyframes[0].t + 0.01) / frameRate, 0); + v2 = this.p.getValueAtTime(this.p.keyframes[0].t / frameRate, 0); + } else if (this.p._caching.lastFrame + this.p.offsetTime >= this.p.keyframes[this.p.keyframes.length - 1].t) { + v1 = this.p.getValueAtTime((this.p.keyframes[this.p.keyframes.length - 1].t / frameRate), 0); + v2 = this.p.getValueAtTime((this.p.keyframes[this.p.keyframes.length - 1].t - 0.05) / frameRate, 0); + } else { + v1 = this.p.pv; + v2 = this.p.getValueAtTime((this.p._caching.lastFrame + this.p.offsetTime - 0.01) / frameRate, this.p.offsetTime); + } + } else if (this.px && this.px.keyframes && this.py.keyframes && this.px.getValueAtTime && this.py.getValueAtTime) { + v1 = []; + v2 = []; + var px = this.px; + var py = this.py; + if (px._caching.lastFrame + px.offsetTime <= px.keyframes[0].t) { + v1[0] = px.getValueAtTime((px.keyframes[0].t + 0.01) / frameRate, 0); + v1[1] = py.getValueAtTime((py.keyframes[0].t + 0.01) / frameRate, 0); + v2[0] = px.getValueAtTime((px.keyframes[0].t) / frameRate, 0); + v2[1] = py.getValueAtTime((py.keyframes[0].t) / frameRate, 0); + } else if (px._caching.lastFrame + px.offsetTime >= px.keyframes[px.keyframes.length - 1].t) { + v1[0] = px.getValueAtTime((px.keyframes[px.keyframes.length - 1].t / frameRate), 0); + v1[1] = py.getValueAtTime((py.keyframes[py.keyframes.length - 1].t / frameRate), 0); + v2[0] = px.getValueAtTime((px.keyframes[px.keyframes.length - 1].t - 0.01) / frameRate, 0); + v2[1] = py.getValueAtTime((py.keyframes[py.keyframes.length - 1].t - 0.01) / frameRate, 0); + } else { + v1 = [px.pv, py.pv]; + v2[0] = px.getValueAtTime((px._caching.lastFrame + px.offsetTime - 0.01) / frameRate, px.offsetTime); + v2[1] = py.getValueAtTime((py._caching.lastFrame + py.offsetTime - 0.01) / frameRate, py.offsetTime); + } + } else { + v2 = defaultVector; + v1 = v2; + } + this.v.rotate(-Math.atan2(v1[1] - v2[1], v1[0] - v2[0])); + } + if (this.data.p && this.data.p.s) { + if (this.data.p.z) { + this.v.translate(this.px.v, this.py.v, -this.pz.v); + } else { + this.v.translate(this.px.v, this.py.v, 0); + } + } else { + this.v.translate(this.p.v[0], this.p.v[1], -this.p.v[2]); + } + } + this.frameId = this.elem.globalData.frameId; + } + + function precalculateMatrix() { + if (!this.a.k) { + this.pre.translate(-this.a.v[0], -this.a.v[1], this.a.v[2]); + this.appliedTransformations = 1; + } else { + return; + } + if (!this.s.effectsSequence.length) { + this.pre.scale(this.s.v[0], this.s.v[1], this.s.v[2]); + this.appliedTransformations = 2; + } else { + return; + } + if (this.sk) { + if (!this.sk.effectsSequence.length && !this.sa.effectsSequence.length) { + this.pre.skewFromAxis(-this.sk.v, this.sa.v); + this.appliedTransformations = 3; + } else { + return; + } + } + if (this.r) { + if (!this.r.effectsSequence.length) { + this.pre.rotate(-this.r.v); + this.appliedTransformations = 4; + } + } else if (!this.rz.effectsSequence.length && !this.ry.effectsSequence.length && !this.rx.effectsSequence.length && !this.or.effectsSequence.length) { + this.pre.rotateZ(-this.rz.v).rotateY(this.ry.v).rotateX(this.rx.v).rotateZ(-this.or.v[2]) + .rotateY(this.or.v[1]) + .rotateX(this.or.v[0]); + this.appliedTransformations = 4; + } + } + + function autoOrient() { + // + // var prevP = this.getValueAtTime(); + } + + function addDynamicProperty(prop) { + this._addDynamicProperty(prop); + this.elem.addDynamicProperty(prop); + this._isDirty = true; + } + + function TransformProperty(elem, data, container) { + this.elem = elem; + this.frameId = -1; + this.propType = 'transform'; + this.data = data; + this.v = new Matrix(); + // Precalculated matrix with non animated properties + this.pre = new Matrix(); + this.appliedTransformations = 0; + this.initDynamicPropertyContainer(container || elem); + if (data.p && data.p.s) { + this.px = PropertyFactory.getProp(elem, data.p.x, 0, 0, this); + this.py = PropertyFactory.getProp(elem, data.p.y, 0, 0, this); + if (data.p.z) { + this.pz = PropertyFactory.getProp(elem, data.p.z, 0, 0, this); + } + } else { + this.p = PropertyFactory.getProp(elem, data.p || { k: [0, 0, 0] }, 1, 0, this); + } + if (data.rx) { + this.rx = PropertyFactory.getProp(elem, data.rx, 0, degToRads, this); + this.ry = PropertyFactory.getProp(elem, data.ry, 0, degToRads, this); + this.rz = PropertyFactory.getProp(elem, data.rz, 0, degToRads, this); + if (data.or.k[0].ti) { + var i; + var len = data.or.k.length; + for (i = 0; i < len; i += 1) { + data.or.k[i].to = null; + data.or.k[i].ti = null; + } + } + this.or = PropertyFactory.getProp(elem, data.or, 1, degToRads, this); + // sh Indicates it needs to be capped between -180 and 180 + this.or.sh = true; + } else { + this.r = PropertyFactory.getProp(elem, data.r || { k: 0 }, 0, degToRads, this); + } + if (data.sk) { + this.sk = PropertyFactory.getProp(elem, data.sk, 0, degToRads, this); + this.sa = PropertyFactory.getProp(elem, data.sa, 0, degToRads, this); + } + this.a = PropertyFactory.getProp(elem, data.a || { k: [0, 0, 0] }, 1, 0, this); + this.s = PropertyFactory.getProp(elem, data.s || { k: [100, 100, 100] }, 1, 0.01, this); + // Opacity is not part of the transform properties, that's why it won't use this.dynamicProperties. That way transforms won't get updated if opacity changes. + if (data.o) { + this.o = PropertyFactory.getProp(elem, data.o, 0, 0.01, elem); + } else { + this.o = { _mdf: false, v: 1 }; + } + this._isDirty = true; + if (!this.dynamicProperties.length) { + this.getValue(true); + } + } + + TransformProperty.prototype = { + applyToMatrix: applyToMatrix, + getValue: processKeys, + precalculateMatrix: precalculateMatrix, + autoOrient: autoOrient, + }; + + extendPrototype([DynamicPropertyContainer], TransformProperty); + TransformProperty.prototype.addDynamicProperty = addDynamicProperty; + TransformProperty.prototype._addDynamicProperty = DynamicPropertyContainer.prototype.addDynamicProperty; + + function getTransformProperty(elem, data, container) { + return new TransformProperty(elem, data, container); + } + + return { + getTransformProperty: getTransformProperty, + }; +}()); + +function RepeaterModifier() {} +extendPrototype([ShapeModifier], RepeaterModifier); + +RepeaterModifier.prototype.initModifierProperties = function (elem, data) { + this.getValue = this.processKeys; + this.c = PropertyFactory.getProp(elem, data.c, 0, null, this); + this.o = PropertyFactory.getProp(elem, data.o, 0, null, this); + this.tr = TransformPropertyFactory.getTransformProperty(elem, data.tr, this); + this.so = PropertyFactory.getProp(elem, data.tr.so, 0, 0.01, this); + this.eo = PropertyFactory.getProp(elem, data.tr.eo, 0, 0.01, this); + this.data = data; + if (!this.dynamicProperties.length) { + this.getValue(true); + } + this._isAnimated = !!this.dynamicProperties.length; + this.pMatrix = new Matrix(); + this.rMatrix = new Matrix(); + this.sMatrix = new Matrix(); + this.tMatrix = new Matrix(); + this.matrix = new Matrix(); +}; + +RepeaterModifier.prototype.applyTransforms = function (pMatrix, rMatrix, sMatrix, transform, perc, inv) { + var dir = inv ? -1 : 1; + var scaleX = transform.s.v[0] + (1 - transform.s.v[0]) * (1 - perc); + var scaleY = transform.s.v[1] + (1 - transform.s.v[1]) * (1 - perc); + pMatrix.translate(transform.p.v[0] * dir * perc, transform.p.v[1] * dir * perc, transform.p.v[2]); + rMatrix.translate(-transform.a.v[0], -transform.a.v[1], transform.a.v[2]); + rMatrix.rotate(-transform.r.v * dir * perc); + rMatrix.translate(transform.a.v[0], transform.a.v[1], transform.a.v[2]); + sMatrix.translate(-transform.a.v[0], -transform.a.v[1], transform.a.v[2]); + sMatrix.scale(inv ? 1 / scaleX : scaleX, inv ? 1 / scaleY : scaleY); + sMatrix.translate(transform.a.v[0], transform.a.v[1], transform.a.v[2]); +}; + +RepeaterModifier.prototype.init = function (elem, arr, pos, elemsData) { + this.elem = elem; + this.arr = arr; + this.pos = pos; + this.elemsData = elemsData; + this._currentCopies = 0; + this._elements = []; + this._groups = []; + this.frameId = -1; + this.initDynamicPropertyContainer(elem); + this.initModifierProperties(elem, arr[pos]); + while (pos > 0) { + pos -= 1; + // this._elements.unshift(arr.splice(pos,1)[0]); + this._elements.unshift(arr[pos]); + } + if (this.dynamicProperties.length) { + this.k = true; + } else { + this.getValue(true); + } +}; + +RepeaterModifier.prototype.resetElements = function (elements) { + var i; + var len = elements.length; + for (i = 0; i < len; i += 1) { + elements[i]._processed = false; + if (elements[i].ty === 'gr') { + this.resetElements(elements[i].it); + } + } +}; + +RepeaterModifier.prototype.cloneElements = function (elements) { + var newElements = JSON.parse(JSON.stringify(elements)); + this.resetElements(newElements); + return newElements; +}; + +RepeaterModifier.prototype.changeGroupRender = function (elements, renderFlag) { + var i; + var len = elements.length; + for (i = 0; i < len; i += 1) { + elements[i]._render = renderFlag; + if (elements[i].ty === 'gr') { + this.changeGroupRender(elements[i].it, renderFlag); + } + } +}; + +RepeaterModifier.prototype.processShapes = function (_isFirstFrame) { + var items; + var itemsTransform; + var i; + var dir; + var cont; + var hasReloaded = false; + if (this._mdf || _isFirstFrame) { + var copies = Math.ceil(this.c.v); + if (this._groups.length < copies) { + while (this._groups.length < copies) { + var group = { + it: this.cloneElements(this._elements), + ty: 'gr', + }; + group.it.push({ + a: { a: 0, ix: 1, k: [0, 0] }, nm: 'Transform', o: { a: 0, ix: 7, k: 100 }, p: { a: 0, ix: 2, k: [0, 0] }, r: { a: 1, ix: 6, k: [{ s: 0, e: 0, t: 0 }, { s: 0, e: 0, t: 1 }] }, s: { a: 0, ix: 3, k: [100, 100] }, sa: { a: 0, ix: 5, k: 0 }, sk: { a: 0, ix: 4, k: 0 }, ty: 'tr', + }); + + this.arr.splice(0, 0, group); + this._groups.splice(0, 0, group); + this._currentCopies += 1; + } + this.elem.reloadShapes(); + hasReloaded = true; + } + cont = 0; + var renderFlag; + for (i = 0; i <= this._groups.length - 1; i += 1) { + renderFlag = cont < copies; + this._groups[i]._render = renderFlag; + this.changeGroupRender(this._groups[i].it, renderFlag); + if (!renderFlag) { + var elems = this.elemsData[i].it; + var transformData = elems[elems.length - 1]; + if (transformData.transform.op.v !== 0) { + transformData.transform.op._mdf = true; + transformData.transform.op.v = 0; + } else { + transformData.transform.op._mdf = false; + } + } + cont += 1; + } + + this._currentCopies = copies; + /// / + + var offset = this.o.v; + var offsetModulo = offset % 1; + var roundOffset = offset > 0 ? Math.floor(offset) : Math.ceil(offset); + var pProps = this.pMatrix.props; + var rProps = this.rMatrix.props; + var sProps = this.sMatrix.props; + this.pMatrix.reset(); + this.rMatrix.reset(); + this.sMatrix.reset(); + this.tMatrix.reset(); + this.matrix.reset(); + var iteration = 0; + + if (offset > 0) { + while (iteration < roundOffset) { + this.applyTransforms(this.pMatrix, this.rMatrix, this.sMatrix, this.tr, 1, false); + iteration += 1; + } + if (offsetModulo) { + this.applyTransforms(this.pMatrix, this.rMatrix, this.sMatrix, this.tr, offsetModulo, false); + iteration += offsetModulo; + } + } else if (offset < 0) { + while (iteration > roundOffset) { + this.applyTransforms(this.pMatrix, this.rMatrix, this.sMatrix, this.tr, 1, true); + iteration -= 1; + } + if (offsetModulo) { + this.applyTransforms(this.pMatrix, this.rMatrix, this.sMatrix, this.tr, -offsetModulo, true); + iteration -= offsetModulo; + } + } + i = this.data.m === 1 ? 0 : this._currentCopies - 1; + dir = this.data.m === 1 ? 1 : -1; + cont = this._currentCopies; + var j; + var jLen; + while (cont) { + items = this.elemsData[i].it; + itemsTransform = items[items.length - 1].transform.mProps.v.props; + jLen = itemsTransform.length; + items[items.length - 1].transform.mProps._mdf = true; + items[items.length - 1].transform.op._mdf = true; + items[items.length - 1].transform.op.v = this._currentCopies === 1 + ? this.so.v + : this.so.v + (this.eo.v - this.so.v) * (i / (this._currentCopies - 1)); + + if (iteration !== 0) { + if ((i !== 0 && dir === 1) || (i !== this._currentCopies - 1 && dir === -1)) { + this.applyTransforms(this.pMatrix, this.rMatrix, this.sMatrix, this.tr, 1, false); + } + this.matrix.transform(rProps[0], rProps[1], rProps[2], rProps[3], rProps[4], rProps[5], rProps[6], rProps[7], rProps[8], rProps[9], rProps[10], rProps[11], rProps[12], rProps[13], rProps[14], rProps[15]); + this.matrix.transform(sProps[0], sProps[1], sProps[2], sProps[3], sProps[4], sProps[5], sProps[6], sProps[7], sProps[8], sProps[9], sProps[10], sProps[11], sProps[12], sProps[13], sProps[14], sProps[15]); + this.matrix.transform(pProps[0], pProps[1], pProps[2], pProps[3], pProps[4], pProps[5], pProps[6], pProps[7], pProps[8], pProps[9], pProps[10], pProps[11], pProps[12], pProps[13], pProps[14], pProps[15]); + + for (j = 0; j < jLen; j += 1) { + itemsTransform[j] = this.matrix.props[j]; + } + this.matrix.reset(); + } else { + this.matrix.reset(); + for (j = 0; j < jLen; j += 1) { + itemsTransform[j] = this.matrix.props[j]; + } + } + iteration += 1; + cont -= 1; + i += dir; + } + } else { + cont = this._currentCopies; + i = 0; + dir = 1; + while (cont) { + items = this.elemsData[i].it; + itemsTransform = items[items.length - 1].transform.mProps.v.props; + items[items.length - 1].transform.mProps._mdf = false; + items[items.length - 1].transform.op._mdf = false; + cont -= 1; + i += dir; + } + } + return hasReloaded; +}; + +RepeaterModifier.prototype.addShape = function () {}; + +function RoundCornersModifier() {} +extendPrototype([ShapeModifier], RoundCornersModifier); +RoundCornersModifier.prototype.initModifierProperties = function (elem, data) { + this.getValue = this.processKeys; + this.rd = PropertyFactory.getProp(elem, data.r, 0, null, this); + this._isAnimated = !!this.rd.effectsSequence.length; +}; + +RoundCornersModifier.prototype.processPath = function (path, round) { + var clonedPath = shapePool.newElement(); + clonedPath.c = path.c; + var i; + var len = path._length; + var currentV; + var currentI; + var currentO; + var closerV; + var distance; + var newPosPerc; + var index = 0; + var vX; + var vY; + var oX; + var oY; + var iX; + var iY; + for (i = 0; i < len; i += 1) { + currentV = path.v[i]; + currentO = path.o[i]; + currentI = path.i[i]; + if (currentV[0] === currentO[0] && currentV[1] === currentO[1] && currentV[0] === currentI[0] && currentV[1] === currentI[1]) { + if ((i === 0 || i === len - 1) && !path.c) { + clonedPath.setTripleAt(currentV[0], currentV[1], currentO[0], currentO[1], currentI[0], currentI[1], index); + /* clonedPath.v[index] = currentV; + clonedPath.o[index] = currentO; + clonedPath.i[index] = currentI; */ + index += 1; + } else { + if (i === 0) { + closerV = path.v[len - 1]; + } else { + closerV = path.v[i - 1]; + } + distance = Math.sqrt(Math.pow(currentV[0] - closerV[0], 2) + Math.pow(currentV[1] - closerV[1], 2)); + newPosPerc = distance ? Math.min(distance / 2, round) / distance : 0; + iX = currentV[0] + (closerV[0] - currentV[0]) * newPosPerc; + vX = iX; + iY = currentV[1] - (currentV[1] - closerV[1]) * newPosPerc; + vY = iY; + oX = vX - (vX - currentV[0]) * roundCorner; + oY = vY - (vY - currentV[1]) * roundCorner; + clonedPath.setTripleAt(vX, vY, oX, oY, iX, iY, index); + index += 1; + + if (i === len - 1) { + closerV = path.v[0]; + } else { + closerV = path.v[i + 1]; + } + distance = Math.sqrt(Math.pow(currentV[0] - closerV[0], 2) + Math.pow(currentV[1] - closerV[1], 2)); + newPosPerc = distance ? Math.min(distance / 2, round) / distance : 0; + oX = currentV[0] + (closerV[0] - currentV[0]) * newPosPerc; + vX = oX; + oY = currentV[1] + (closerV[1] - currentV[1]) * newPosPerc; + vY = oY; + iX = vX - (vX - currentV[0]) * roundCorner; + iY = vY - (vY - currentV[1]) * roundCorner; + clonedPath.setTripleAt(vX, vY, oX, oY, iX, iY, index); + index += 1; + } + } else { + clonedPath.setTripleAt(path.v[i][0], path.v[i][1], path.o[i][0], path.o[i][1], path.i[i][0], path.i[i][1], index); + index += 1; + } + } + return clonedPath; +}; + +RoundCornersModifier.prototype.processShapes = function (_isFirstFrame) { + var shapePaths; + var i; + var len = this.shapes.length; + var j; + var jLen; + var rd = this.rd.v; + + if (rd !== 0) { + var shapeData; + var localShapeCollection; + for (i = 0; i < len; i += 1) { + shapeData = this.shapes[i]; + localShapeCollection = shapeData.localShapeCollection; + if (!(!shapeData.shape._mdf && !this._mdf && !_isFirstFrame)) { + localShapeCollection.releaseShapes(); + shapeData.shape._mdf = true; + shapePaths = shapeData.shape.paths.shapes; + jLen = shapeData.shape.paths._length; + for (j = 0; j < jLen; j += 1) { + localShapeCollection.addShape(this.processPath(shapePaths[j], rd)); + } + } + shapeData.shape.paths = shapeData.localShapeCollection; + } + } + if (!this.dynamicProperties.length) { + this._mdf = false; + } +}; + +function getFontProperties(fontData) { + var styles = fontData.fStyle ? fontData.fStyle.split(' ') : []; + + var fWeight = 'normal'; var + fStyle = 'normal'; + var len = styles.length; + var styleName; + for (var i = 0; i < len; i += 1) { + styleName = styles[i].toLowerCase(); + switch (styleName) { + case 'italic': + fStyle = 'italic'; + break; + case 'bold': + fWeight = '700'; + break; + case 'black': + fWeight = '900'; + break; + case 'medium': + fWeight = '500'; + break; + case 'regular': + case 'normal': + fWeight = '400'; + break; + case 'light': + case 'thin': + fWeight = '200'; + break; + default: + break; + } + } + + return { + style: fStyle, + weight: fontData.fWeight || fWeight, + }; +} + +const FontManager = (function () { + var maxWaitingTime = 5000; + var emptyChar = { + w: 0, + size: 0, + shapes: [], + data: { + shapes: [], + }, + }; + var combinedCharacters = []; + // Hindi characters + combinedCharacters = combinedCharacters.concat([2304, 2305, 2306, 2307, 2362, 2363, 2364, 2364, 2366, + 2367, 2368, 2369, 2370, 2371, 2372, 2373, 2374, 2375, 2376, 2377, 2378, 2379, + 2380, 2381, 2382, 2383, 2387, 2388, 2389, 2390, 2391, 2402, 2403]); + + var surrogateModifiers = [ + 'd83cdffb', + 'd83cdffc', + 'd83cdffd', + 'd83cdffe', + 'd83cdfff', + ]; + + var zeroWidthJoiner = [65039, 8205]; + + function trimFontOptions(font) { + var familyArray = font.split(','); + var i; + var len = familyArray.length; + var enabledFamilies = []; + for (i = 0; i < len; i += 1) { + if (familyArray[i] !== 'sans-serif' && familyArray[i] !== 'monospace') { + enabledFamilies.push(familyArray[i]); + } + } + return enabledFamilies.join(','); + } + + function setUpNode(font, family) { + var parentNode = createTag('span'); + // Node is invisible to screen readers. + parentNode.setAttribute('aria-hidden', true); + parentNode.style.fontFamily = family; + var node = createTag('span'); + // Characters that vary significantly among different fonts + node.innerText = 'giItT1WQy@!-/#'; + // Visible - so we can measure it - but not on the screen + parentNode.style.position = 'absolute'; + parentNode.style.left = '-10000px'; + parentNode.style.top = '-10000px'; + // Large font size makes even subtle changes obvious + parentNode.style.fontSize = '300px'; + // Reset any font properties + parentNode.style.fontVariant = 'normal'; + parentNode.style.fontStyle = 'normal'; + parentNode.style.fontWeight = 'normal'; + parentNode.style.letterSpacing = '0'; + parentNode.appendChild(node); + document.body.appendChild(parentNode); + + // Remember width with no applied web font + var width = node.offsetWidth; + node.style.fontFamily = trimFontOptions(font) + ', ' + family; + return { node: node, w: width, parent: parentNode }; + } + + function checkLoadedFonts() { + var i; + var len = this.fonts.length; + var node; + var w; + var loadedCount = len; + for (i = 0; i < len; i += 1) { + if (this.fonts[i].loaded) { + loadedCount -= 1; + } else if (this.fonts[i].fOrigin === 'n' || this.fonts[i].origin === 0) { + this.fonts[i].loaded = true; + } else { + node = this.fonts[i].monoCase.node; + w = this.fonts[i].monoCase.w; + if (node.offsetWidth !== w) { + loadedCount -= 1; + this.fonts[i].loaded = true; + } else { + node = this.fonts[i].sansCase.node; + w = this.fonts[i].sansCase.w; + if (node.offsetWidth !== w) { + loadedCount -= 1; + this.fonts[i].loaded = true; + } + } + if (this.fonts[i].loaded) { + this.fonts[i].sansCase.parent.parentNode.removeChild(this.fonts[i].sansCase.parent); + this.fonts[i].monoCase.parent.parentNode.removeChild(this.fonts[i].monoCase.parent); + } + } + } + + if (loadedCount !== 0 && Date.now() - this.initTime < maxWaitingTime) { + setTimeout(this.checkLoadedFontsBinded, 20); + } else { + setTimeout(this.setIsLoadedBinded, 10); + } + } + + function createHelper(fontData, def) { + var engine = (document.body && def) ? 'svg' : 'canvas'; + var helper; + var fontProps = getFontProperties(fontData); + if (engine === 'svg') { + var tHelper = createNS('text'); + tHelper.style.fontSize = '100px'; + // tHelper.style.fontFamily = fontData.fFamily; + tHelper.setAttribute('font-family', fontData.fFamily); + tHelper.setAttribute('font-style', fontProps.style); + tHelper.setAttribute('font-weight', fontProps.weight); + tHelper.textContent = '1'; + if (fontData.fClass) { + tHelper.style.fontFamily = 'inherit'; + tHelper.setAttribute('class', fontData.fClass); + } else { + tHelper.style.fontFamily = fontData.fFamily; + } + def.appendChild(tHelper); + helper = tHelper; + } else { + var tCanvasHelper = new OffscreenCanvas(500, 500).getContext('2d'); + tCanvasHelper.font = fontProps.style + ' ' + fontProps.weight + ' 100px ' + fontData.fFamily; + helper = tCanvasHelper; + } + function measure(text) { + if (engine === 'svg') { + helper.textContent = text; + return helper.getComputedTextLength(); + } + return helper.measureText(text).width; + } + return { + measureText: measure, + }; + } + + function addFonts(fontData, defs) { + if (!fontData) { + this.isLoaded = true; + return; + } + if (this.chars) { + this.isLoaded = true; + this.fonts = fontData.list; + return; + } + if (!document.body) { + this.isLoaded = true; + fontData.list.forEach((data) => { + data.helper = createHelper(data); + data.cache = {}; + }); + this.fonts = fontData.list; + return; + } + + var fontArr = fontData.list; + var i; + var len = fontArr.length; + var _pendingFonts = len; + for (i = 0; i < len; i += 1) { + var shouldLoadFont = true; + var loadedSelector; + var j; + fontArr[i].loaded = false; + fontArr[i].monoCase = setUpNode(fontArr[i].fFamily, 'monospace'); + fontArr[i].sansCase = setUpNode(fontArr[i].fFamily, 'sans-serif'); + if (!fontArr[i].fPath) { + fontArr[i].loaded = true; + _pendingFonts -= 1; + } else if (fontArr[i].fOrigin === 'p' || fontArr[i].origin === 3) { + loadedSelector = document.querySelectorAll('style[f-forigin="p"][f-family="' + fontArr[i].fFamily + '"], style[f-origin="3"][f-family="' + fontArr[i].fFamily + '"]'); + + if (loadedSelector.length > 0) { + shouldLoadFont = false; + } + + if (shouldLoadFont) { + var s = createTag('style'); + s.setAttribute('f-forigin', fontArr[i].fOrigin); + s.setAttribute('f-origin', fontArr[i].origin); + s.setAttribute('f-family', fontArr[i].fFamily); + s.type = 'text/css'; + s.innerText = '@font-face {font-family: ' + fontArr[i].fFamily + "; font-style: normal; src: url('" + fontArr[i].fPath + "');}"; + defs.appendChild(s); + } + } else if (fontArr[i].fOrigin === 'g' || fontArr[i].origin === 1) { + loadedSelector = document.querySelectorAll('link[f-forigin="g"], link[f-origin="1"]'); + + for (j = 0; j < loadedSelector.length; j += 1) { + if (loadedSelector[j].href.indexOf(fontArr[i].fPath) !== -1) { + // Font is already loaded + shouldLoadFont = false; + } + } + + if (shouldLoadFont) { + var l = createTag('link'); + l.setAttribute('f-forigin', fontArr[i].fOrigin); + l.setAttribute('f-origin', fontArr[i].origin); + l.type = 'text/css'; + l.rel = 'stylesheet'; + l.href = fontArr[i].fPath; + document.body.appendChild(l); + } + } else if (fontArr[i].fOrigin === 't' || fontArr[i].origin === 2) { + loadedSelector = document.querySelectorAll('script[f-forigin="t"], script[f-origin="2"]'); + + for (j = 0; j < loadedSelector.length; j += 1) { + if (fontArr[i].fPath === loadedSelector[j].src) { + // Font is already loaded + shouldLoadFont = false; + } + } + + if (shouldLoadFont) { + var sc = createTag('link'); + sc.setAttribute('f-forigin', fontArr[i].fOrigin); + sc.setAttribute('f-origin', fontArr[i].origin); + sc.setAttribute('rel', 'stylesheet'); + sc.setAttribute('href', fontArr[i].fPath); + defs.appendChild(sc); + } + } + fontArr[i].helper = createHelper(fontArr[i], defs); + fontArr[i].cache = {}; + this.fonts.push(fontArr[i]); + } + if (_pendingFonts === 0) { + this.isLoaded = true; + } else { + // On some cases even if the font is loaded, it won't load correctly when measuring text on canvas. + // Adding this timeout seems to fix it + setTimeout(this.checkLoadedFonts.bind(this), 100); + } + } + + function addChars(chars) { + if (!chars) { + return; + } + if (!this.chars) { + this.chars = []; + } + var i; + var len = chars.length; + var j; + var jLen = this.chars.length; + var found; + for (i = 0; i < len; i += 1) { + j = 0; + found = false; + while (j < jLen) { + if (this.chars[j].style === chars[i].style && this.chars[j].fFamily === chars[i].fFamily && this.chars[j].ch === chars[i].ch) { + found = true; + } + j += 1; + } + if (!found) { + this.chars.push(chars[i]); + jLen += 1; + } + } + } + + function getCharData(char, style, font) { + var i = 0; + var len = this.chars.length; + while (i < len) { + if (this.chars[i].ch === char && this.chars[i].style === style && this.chars[i].fFamily === font) { + return this.chars[i]; + } + i += 1; + } + if (((typeof char === 'string' && char.charCodeAt(0) !== 13) || !char) + && console + && console.warn // eslint-disable-line no-console + && !this._warned + ) { + this._warned = true; + console.warn('Missing character from exported characters list: ', char, style, font); // eslint-disable-line no-console + } + return emptyChar; + } + + function measureText(char, fontName, size) { + var fontData = this.getFontByName(fontName); + var index = char.charCodeAt(0); + if (!fontData.cache[index + 1]) { + var tHelper = fontData.helper; + if (char === ' ') { + var doubleSize = tHelper.measureText('|' + char + '|'); + var singleSize = tHelper.measureText('||'); + fontData.cache[index + 1] = (doubleSize - singleSize) / 100; + } else { + fontData.cache[index + 1] = tHelper.measureText(char) / 100; + } + } + return fontData.cache[index + 1] * size; + } + + function getFontByName(name) { + var i = 0; + var len = this.fonts.length; + while (i < len) { + if (this.fonts[i].fName === name) { + return this.fonts[i]; + } + i += 1; + } + return this.fonts[0]; + } + + function isModifier(firstCharCode, secondCharCode) { + var sum = firstCharCode.toString(16) + secondCharCode.toString(16); + return surrogateModifiers.indexOf(sum) !== -1; + } + + function isZeroWidthJoiner(firstCharCode, secondCharCode) { + if (!secondCharCode) { + return firstCharCode === zeroWidthJoiner[1]; + } + return firstCharCode === zeroWidthJoiner[0] && secondCharCode === zeroWidthJoiner[1]; + } + + function isCombinedCharacter(char) { + return combinedCharacters.indexOf(char) !== -1; + } + + function setIsLoaded() { + this.isLoaded = true; + } + + var Font = function () { + this.fonts = []; + this.chars = null; + this.typekitLoaded = 0; + this.isLoaded = false; + this._warned = false; + this.initTime = Date.now(); + this.setIsLoadedBinded = this.setIsLoaded.bind(this); + this.checkLoadedFontsBinded = this.checkLoadedFonts.bind(this); + }; + Font.isModifier = isModifier; + Font.isZeroWidthJoiner = isZeroWidthJoiner; + Font.isCombinedCharacter = isCombinedCharacter; + + var fontPrototype = { + addChars: addChars, + addFonts: addFonts, + getCharData: getCharData, + getFontByName: getFontByName, + measureText: measureText, + checkLoadedFonts: checkLoadedFonts, + setIsLoaded: setIsLoaded, + }; + + Font.prototype = fontPrototype; + + return Font; +}()); + +function RenderableElement() { + +} + +RenderableElement.prototype = { + initRenderable: function () { + // layer's visibility related to inpoint and outpoint. Rename isVisible to isInRange + this.isInRange = false; + // layer's display state + this.hidden = false; + // If layer's transparency equals 0, it can be hidden + this.isTransparent = false; + // list of animated components + this.renderableComponents = []; + }, + addRenderableComponent: function (component) { + if (this.renderableComponents.indexOf(component) === -1) { + this.renderableComponents.push(component); + } + }, + removeRenderableComponent: function (component) { + if (this.renderableComponents.indexOf(component) !== -1) { + this.renderableComponents.splice(this.renderableComponents.indexOf(component), 1); + } + }, + prepareRenderableFrame: function (num) { + this.checkLayerLimits(num); + }, + checkTransparency: function () { + if (this.finalTransform.mProp.o.v <= 0) { + if (!this.isTransparent && this.globalData.renderConfig.hideOnTransparent) { + this.isTransparent = true; + this.hide(); + } + } else if (this.isTransparent) { + this.isTransparent = false; + this.show(); + } + }, + /** + * @function + * Initializes frame related properties. + * + * @param {number} num + * current frame number in Layer's time + * + */ + checkLayerLimits: function (num) { + if (this.data.ip - this.data.st <= num && this.data.op - this.data.st > num) { + if (this.isInRange !== true) { + this.globalData._mdf = true; + this._mdf = true; + this.isInRange = true; + this.show(); + } + } else if (this.isInRange !== false) { + this.globalData._mdf = true; + this.isInRange = false; + this.hide(); + } + }, + renderRenderable: function () { + var i; + var len = this.renderableComponents.length; + for (i = 0; i < len; i += 1) { + this.renderableComponents[i].renderFrame(this._isFirstFrame); + } + /* this.maskManager.renderFrame(this.finalTransform.mat); + this.renderableEffectsManager.renderFrame(this._isFirstFrame); */ + }, + sourceRectAtTime: function () { + return { + top: 0, + left: 0, + width: 100, + height: 100, + }; + }, + getLayerSize: function () { + if (this.data.ty === 5) { + return { w: this.data.textData.width, h: this.data.textData.height }; + } + return { w: this.data.width, h: this.data.height }; + }, +}; + +const MaskManagerInterface = (function () { + function MaskInterface(mask, data) { + this._mask = mask; + this._data = data; + } + Object.defineProperty(MaskInterface.prototype, 'maskPath', { + get: function () { + if (this._mask.prop.k) { + this._mask.prop.getValue(); + } + return this._mask.prop; + }, + }); + Object.defineProperty(MaskInterface.prototype, 'maskOpacity', { + get: function () { + if (this._mask.op.k) { + this._mask.op.getValue(); + } + return this._mask.op.v * 100; + }, + }); + + var MaskManager = function (maskManager) { + var _masksInterfaces = createSizedArray(maskManager.viewData.length); + var i; + var len = maskManager.viewData.length; + for (i = 0; i < len; i += 1) { + _masksInterfaces[i] = new MaskInterface(maskManager.viewData[i], maskManager.masksProperties[i]); + } + + var maskFunction = function (name) { + i = 0; + while (i < len) { + if (maskManager.masksProperties[i].nm === name) { + return _masksInterfaces[i]; + } + i += 1; + } + return null; + }; + return maskFunction; + }; + return MaskManager; +}()); + +const ExpressionPropertyInterface = (function () { + var defaultUnidimensionalValue = { pv: 0, v: 0, mult: 1 }; + var defaultMultidimensionalValue = { pv: [0, 0, 0], v: [0, 0, 0], mult: 1 }; + + function completeProperty(expressionValue, property, type) { + Object.defineProperty(expressionValue, 'velocity', { + get: function () { + return property.getVelocityAtTime(property.comp.currentFrame); + }, + }); + expressionValue.numKeys = property.keyframes ? property.keyframes.length : 0; + expressionValue.key = function (pos) { + if (!expressionValue.numKeys) { + return 0; + } + var value = ''; + if ('s' in property.keyframes[pos - 1]) { + value = property.keyframes[pos - 1].s; + } else if ('e' in property.keyframes[pos - 2]) { + value = property.keyframes[pos - 2].e; + } else { + value = property.keyframes[pos - 2].s; + } + var valueProp = type === 'unidimensional' ? new Number(value) : Object.assign({}, value); // eslint-disable-line no-new-wrappers + valueProp.time = property.keyframes[pos - 1].t / property.elem.comp.globalData.frameRate; + valueProp.value = type === 'unidimensional' ? value[0] : value; + return valueProp; + }; + expressionValue.valueAtTime = property.getValueAtTime; + expressionValue.speedAtTime = property.getSpeedAtTime; + expressionValue.velocityAtTime = property.getVelocityAtTime; + expressionValue.propertyGroup = property.propertyGroup; + } + + function UnidimensionalPropertyInterface(property) { + if (!property || !('pv' in property)) { + property = defaultUnidimensionalValue; + } + var mult = 1 / property.mult; + var val = property.pv * mult; + var expressionValue = new Number(val); // eslint-disable-line no-new-wrappers + expressionValue.value = val; + completeProperty(expressionValue, property, 'unidimensional'); + + return function () { + if (property.k) { + property.getValue(); + } + val = property.v * mult; + if (expressionValue.value !== val) { + expressionValue = new Number(val); // eslint-disable-line no-new-wrappers + expressionValue.value = val; + completeProperty(expressionValue, property, 'unidimensional'); + } + return expressionValue; + }; + } + + function MultidimensionalPropertyInterface(property) { + if (!property || !('pv' in property)) { + property = defaultMultidimensionalValue; + } + var mult = 1 / property.mult; + var len = (property.data && property.data.l) || property.pv.length; + var expressionValue = createTypedArray('float32', len); + var arrValue = createTypedArray('float32', len); + expressionValue.value = arrValue; + completeProperty(expressionValue, property, 'multidimensional'); + + return function () { + if (property.k) { + property.getValue(); + } + for (var i = 0; i < len; i += 1) { + arrValue[i] = property.v[i] * mult; + expressionValue[i] = arrValue[i]; + } + return expressionValue; + }; + } + + // TODO: try to avoid using this getter + function defaultGetter() { + return defaultUnidimensionalValue; + } + + return function (property) { + if (!property) { + return defaultGetter; + } if (property.propType === 'unidimensional') { + return UnidimensionalPropertyInterface(property); + } + return MultidimensionalPropertyInterface(property); + }; +}()); + +const TransformExpressionInterface = (function () { + return function (transform) { + function _thisFunction(name) { + switch (name) { + case 'scale': + case 'Scale': + case 'ADBE Scale': + case 6: + return _thisFunction.scale; + case 'rotation': + case 'Rotation': + case 'ADBE Rotation': + case 'ADBE Rotate Z': + case 10: + return _thisFunction.rotation; + case 'ADBE Rotate X': + return _thisFunction.xRotation; + case 'ADBE Rotate Y': + return _thisFunction.yRotation; + case 'position': + case 'Position': + case 'ADBE Position': + case 2: + return _thisFunction.position; + case 'ADBE Position_0': + return _thisFunction.xPosition; + case 'ADBE Position_1': + return _thisFunction.yPosition; + case 'ADBE Position_2': + return _thisFunction.zPosition; + case 'anchorPoint': + case 'AnchorPoint': + case 'Anchor Point': + case 'ADBE AnchorPoint': + case 1: + return _thisFunction.anchorPoint; + case 'opacity': + case 'Opacity': + case 11: + return _thisFunction.opacity; + default: + return null; + } + } + Object.defineProperty(_thisFunction, 'rotation', { + get: ExpressionPropertyInterface(transform.r || transform.rz), + }); + + Object.defineProperty(_thisFunction, 'zRotation', { + get: ExpressionPropertyInterface(transform.rz || transform.r), + }); + + Object.defineProperty(_thisFunction, 'xRotation', { + get: ExpressionPropertyInterface(transform.rx), + }); + + Object.defineProperty(_thisFunction, 'yRotation', { + get: ExpressionPropertyInterface(transform.ry), + }); + Object.defineProperty(_thisFunction, 'scale', { + get: ExpressionPropertyInterface(transform.s), + }); + var _px; + var _py; + var _pz; + var _transformFactory; + if (transform.p) { + _transformFactory = ExpressionPropertyInterface(transform.p); + } else { + _px = ExpressionPropertyInterface(transform.px); + _py = ExpressionPropertyInterface(transform.py); + if (transform.pz) { + _pz = ExpressionPropertyInterface(transform.pz); + } + } + Object.defineProperty(_thisFunction, 'position', { + get: function () { + if (transform.p) { + return _transformFactory(); + } + return [ + _px(), + _py(), + _pz ? _pz() : 0]; + }, + }); + + Object.defineProperty(_thisFunction, 'xPosition', { + get: ExpressionPropertyInterface(transform.px), + }); + + Object.defineProperty(_thisFunction, 'yPosition', { + get: ExpressionPropertyInterface(transform.py), + }); + + Object.defineProperty(_thisFunction, 'zPosition', { + get: ExpressionPropertyInterface(transform.pz), + }); + + Object.defineProperty(_thisFunction, 'anchorPoint', { + get: ExpressionPropertyInterface(transform.a), + }); + + Object.defineProperty(_thisFunction, 'opacity', { + get: ExpressionPropertyInterface(transform.o), + }); + + Object.defineProperty(_thisFunction, 'skew', { + get: ExpressionPropertyInterface(transform.sk), + }); + + Object.defineProperty(_thisFunction, 'skewAxis', { + get: ExpressionPropertyInterface(transform.sa), + }); + + Object.defineProperty(_thisFunction, 'orientation', { + get: ExpressionPropertyInterface(transform.or), + }); + + return _thisFunction; + }; +}()); + +const LayerExpressionInterface = (function () { + function getMatrix(time) { + var toWorldMat = new Matrix(); + if (time !== undefined) { + var propMatrix = this._elem.finalTransform.mProp.getValueAtTime(time); + propMatrix.clone(toWorldMat); + } else { + var transformMat = this._elem.finalTransform.mProp; + transformMat.applyToMatrix(toWorldMat); + } + return toWorldMat; + } + + function toWorldVec(arr, time) { + var toWorldMat = this.getMatrix(time); + toWorldMat.props[12] = 0; + toWorldMat.props[13] = 0; + toWorldMat.props[14] = 0; + return this.applyPoint(toWorldMat, arr); + } + + function toWorld(arr, time) { + var toWorldMat = this.getMatrix(time); + return this.applyPoint(toWorldMat, arr); + } + + function fromWorldVec(arr, time) { + var toWorldMat = this.getMatrix(time); + toWorldMat.props[12] = 0; + toWorldMat.props[13] = 0; + toWorldMat.props[14] = 0; + return this.invertPoint(toWorldMat, arr); + } + + function fromWorld(arr, time) { + var toWorldMat = this.getMatrix(time); + return this.invertPoint(toWorldMat, arr); + } + + function applyPoint(matrix, arr) { + if (this._elem.hierarchy && this._elem.hierarchy.length) { + var i; + var len = this._elem.hierarchy.length; + for (i = 0; i < len; i += 1) { + this._elem.hierarchy[i].finalTransform.mProp.applyToMatrix(matrix); + } + } + return matrix.applyToPointArray(arr[0], arr[1], arr[2] || 0); + } + + function invertPoint(matrix, arr) { + if (this._elem.hierarchy && this._elem.hierarchy.length) { + var i; + var len = this._elem.hierarchy.length; + for (i = 0; i < len; i += 1) { + this._elem.hierarchy[i].finalTransform.mProp.applyToMatrix(matrix); + } + } + return matrix.inversePoint(arr); + } + + function fromComp(arr) { + var toWorldMat = new Matrix(); + toWorldMat.reset(); + this._elem.finalTransform.mProp.applyToMatrix(toWorldMat); + if (this._elem.hierarchy && this._elem.hierarchy.length) { + var i; + var len = this._elem.hierarchy.length; + for (i = 0; i < len; i += 1) { + this._elem.hierarchy[i].finalTransform.mProp.applyToMatrix(toWorldMat); + } + return toWorldMat.inversePoint(arr); + } + return toWorldMat.inversePoint(arr); + } + + function sampleImage() { + return [1, 1, 1, 1]; + } + + return function (elem) { + var transformInterface; + + function _registerMaskInterface(maskManager) { + _thisLayerFunction.mask = new MaskManagerInterface(maskManager, elem); + } + function _registerEffectsInterface(effects) { + _thisLayerFunction.effect = effects; + } + + function _thisLayerFunction(name) { + switch (name) { + case 'ADBE Root Vectors Group': + case 'Contents': + case 2: + return _thisLayerFunction.shapeInterface; + case 1: + case 6: + case 'Transform': + case 'transform': + case 'ADBE Transform Group': + return transformInterface; + case 4: + case 'ADBE Effect Parade': + case 'effects': + case 'Effects': + return _thisLayerFunction.effect; + case 'ADBE Text Properties': + return _thisLayerFunction.textInterface; + default: + return null; + } + } + _thisLayerFunction.getMatrix = getMatrix; + _thisLayerFunction.invertPoint = invertPoint; + _thisLayerFunction.applyPoint = applyPoint; + _thisLayerFunction.toWorld = toWorld; + _thisLayerFunction.toWorldVec = toWorldVec; + _thisLayerFunction.fromWorld = fromWorld; + _thisLayerFunction.fromWorldVec = fromWorldVec; + _thisLayerFunction.toComp = toWorld; + _thisLayerFunction.fromComp = fromComp; + _thisLayerFunction.sampleImage = sampleImage; + _thisLayerFunction.sourceRectAtTime = elem.sourceRectAtTime.bind(elem); + _thisLayerFunction._elem = elem; + transformInterface = TransformExpressionInterface(elem.finalTransform.mProp); + var anchorPointDescriptor = getDescriptor(transformInterface, 'anchorPoint'); + Object.defineProperties(_thisLayerFunction, { + hasParent: { + get: function () { + return elem.hierarchy.length; + }, + }, + parent: { + get: function () { + return elem.hierarchy[0].layerInterface; + }, + }, + rotation: getDescriptor(transformInterface, 'rotation'), + scale: getDescriptor(transformInterface, 'scale'), + position: getDescriptor(transformInterface, 'position'), + opacity: getDescriptor(transformInterface, 'opacity'), + anchorPoint: anchorPointDescriptor, + anchor_point: anchorPointDescriptor, + transform: { + get: function () { + return transformInterface; + }, + }, + active: { + get: function () { + return elem.isInRange; + }, + }, + }); + + _thisLayerFunction.startTime = elem.data.st; + _thisLayerFunction.index = elem.data.ind; + _thisLayerFunction.source = elem.data.refId; + _thisLayerFunction.height = elem.data.ty === 0 ? elem.data.h : 100; + _thisLayerFunction.width = elem.data.ty === 0 ? elem.data.w : 100; + _thisLayerFunction.inPoint = elem.data.ip / elem.comp.globalData.frameRate; + _thisLayerFunction.outPoint = elem.data.op / elem.comp.globalData.frameRate; + _thisLayerFunction._name = elem.data.nm; + + _thisLayerFunction.registerMaskInterface = _registerMaskInterface; + _thisLayerFunction.registerEffectsInterface = _registerEffectsInterface; + return _thisLayerFunction; + }; +}()); + +const propertyGroupFactory = (function () { + return function (interfaceFunction, parentPropertyGroup) { + return function (val) { + val = val === undefined ? 1 : val; + if (val <= 0) { + return interfaceFunction; + } + return parentPropertyGroup(val - 1); + }; + }; +}()); + +const PropertyInterface = (function () { + return function (propertyName, propertyGroup) { + var interfaceFunction = { + _name: propertyName, + }; + + function _propertyGroup(val) { + val = val === undefined ? 1 : val; + if (val <= 0) { + return interfaceFunction; + } + return propertyGroup(val - 1); + } + + return _propertyGroup; + }; +}()); + +const EffectsExpressionInterface = (function () { + var ob = { + createEffectsInterface: createEffectsInterface, + }; + + function createEffectsInterface(elem, propertyGroup) { + if (elem.effectsManager) { + var effectElements = []; + var effectsData = elem.data.ef; + var i; + var len = elem.effectsManager.effectElements.length; + for (i = 0; i < len; i += 1) { + effectElements.push(createGroupInterface(effectsData[i], elem.effectsManager.effectElements[i], propertyGroup, elem)); + } + + var effects = elem.data.ef || []; + var groupInterface = function (name) { + i = 0; + len = effects.length; + while (i < len) { + if (name === effects[i].nm || name === effects[i].mn || name === effects[i].ix) { + return effectElements[i]; + } + i += 1; + } + return null; + }; + Object.defineProperty(groupInterface, 'numProperties', { + get: function () { + return effects.length; + }, + }); + return groupInterface; + } + return null; + } + + function createGroupInterface(data, elements, propertyGroup, elem) { + function groupInterface(name) { + var effects = data.ef; + var i = 0; + var len = effects.length; + while (i < len) { + if (name === effects[i].nm || name === effects[i].mn || name === effects[i].ix) { + if (effects[i].ty === 5) { + return effectElements[i]; + } + return effectElements[i](); + } + i += 1; + } + throw new Error(); + } + var _propertyGroup = propertyGroupFactory(groupInterface, propertyGroup); + + var effectElements = []; + var i; + var len = data.ef.length; + for (i = 0; i < len; i += 1) { + if (data.ef[i].ty === 5) { + effectElements.push(createGroupInterface(data.ef[i], elements.effectElements[i], elements.effectElements[i].propertyGroup, elem)); + } else { + effectElements.push(createValueInterface(elements.effectElements[i], data.ef[i].ty, elem, _propertyGroup)); + } + } + + if (data.mn === 'ADBE Color Control') { + Object.defineProperty(groupInterface, 'color', { + get: function () { + return effectElements[0](); + }, + }); + } + Object.defineProperties(groupInterface, { + numProperties: { + get: function () { + return data.np; + }, + }, + _name: { value: data.nm }, + propertyGroup: { value: _propertyGroup }, + }); + groupInterface.enabled = data.en !== 0; + groupInterface.active = groupInterface.enabled; + return groupInterface; + } + + function createValueInterface(element, type, elem, propertyGroup) { + var expressionProperty = ExpressionPropertyInterface(element.p); + function interfaceFunction() { + if (type === 10) { + return elem.comp.compInterface(element.p.v); + } + return expressionProperty(); + } + + if (element.p.setGroupProperty) { + element.p.setGroupProperty(PropertyInterface('', propertyGroup)); + } + + return interfaceFunction; + } + + return ob; +}()); + +const CompExpressionInterface = (function () { + return function (comp) { + function _thisLayerFunction(name) { + var i = 0; + var len = comp.layers.length; + while (i < len) { + if (comp.layers[i].nm === name || comp.layers[i].ind === name) { + return comp.elements[i].layerInterface; + } + i += 1; + } + return null; + // return {active:false}; + } + Object.defineProperty(_thisLayerFunction, '_name', { value: comp.data.nm }); + _thisLayerFunction.layer = _thisLayerFunction; + _thisLayerFunction.pixelAspect = 1; + _thisLayerFunction.height = comp.data.h || comp.globalData.compSize.h; + _thisLayerFunction.width = comp.data.w || comp.globalData.compSize.w; + _thisLayerFunction.pixelAspect = 1; + _thisLayerFunction.frameDuration = 1 / comp.globalData.frameRate; + _thisLayerFunction.displayStartTime = 0; + _thisLayerFunction.numLayers = comp.layers.length; + return _thisLayerFunction; + }; +}()); + +const ShapePathInterface = ( + + function () { + return function pathInterfaceFactory(shape, view, propertyGroup) { + var prop = view.sh; + + function interfaceFunction(val) { + if (val === 'Shape' || val === 'shape' || val === 'Path' || val === 'path' || val === 'ADBE Vector Shape' || val === 2) { + return interfaceFunction.path; + } + return null; + } + + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + prop.setGroupProperty(PropertyInterface('Path', _propertyGroup)); + Object.defineProperties(interfaceFunction, { + path: { + get: function () { + if (prop.k) { + prop.getValue(); + } + return prop; + }, + }, + shape: { + get: function () { + if (prop.k) { + prop.getValue(); + } + return prop; + }, + }, + _name: { value: shape.nm }, + ix: { value: shape.ix }, + propertyIndex: { value: shape.ix }, + mn: { value: shape.mn }, + propertyGroup: { value: propertyGroup }, + }); + return interfaceFunction; + }; + }() +); + +const ShapeExpressionInterface = (function () { + function iterateElements(shapes, view, propertyGroup) { + var arr = []; + var i; + var len = shapes ? shapes.length : 0; + for (i = 0; i < len; i += 1) { + if (shapes[i].ty === 'gr') { + arr.push(groupInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'fl') { + arr.push(fillInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'st') { + arr.push(strokeInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'tm') { + arr.push(trimInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'tr') { + // arr.push(transformInterfaceFactory(shapes[i],view[i],propertyGroup)); + } else if (shapes[i].ty === 'el') { + arr.push(ellipseInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'sr') { + arr.push(starInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'sh') { + arr.push(ShapePathInterface(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'rc') { + arr.push(rectInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'rd') { + arr.push(roundedInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'rp') { + arr.push(repeaterInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else if (shapes[i].ty === 'gf') { + arr.push(gradientFillInterfaceFactory(shapes[i], view[i], propertyGroup)); + } else { + arr.push(defaultInterfaceFactory(shapes[i], view[i], propertyGroup)); + } + } + return arr; + } + + function contentsInterfaceFactory(shape, view, propertyGroup) { + var interfaces; + var interfaceFunction = function _interfaceFunction(value) { + var i = 0; + var len = interfaces.length; + while (i < len) { + if (interfaces[i]._name === value || interfaces[i].mn === value || interfaces[i].propertyIndex === value || interfaces[i].ix === value || interfaces[i].ind === value) { + return interfaces[i]; + } + i += 1; + } + if (typeof value === 'number') { + return interfaces[value - 1]; + } + return null; + }; + + interfaceFunction.propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + interfaces = iterateElements(shape.it, view.it, interfaceFunction.propertyGroup); + interfaceFunction.numProperties = interfaces.length; + var transformInterface = transformInterfaceFactory(shape.it[shape.it.length - 1], view.it[view.it.length - 1], interfaceFunction.propertyGroup); + interfaceFunction.transform = transformInterface; + interfaceFunction.propertyIndex = shape.cix; + interfaceFunction._name = shape.nm; + + return interfaceFunction; + } + + function groupInterfaceFactory(shape, view, propertyGroup) { + var interfaceFunction = function _interfaceFunction(value) { + switch (value) { + case 'ADBE Vectors Group': + case 'Contents': + case 2: + return interfaceFunction.content; + // Not necessary for now. Keeping them here in case a new case appears + // case 'ADBE Vector Transform Group': + // case 3: + default: + return interfaceFunction.transform; + } + }; + interfaceFunction.propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + var content = contentsInterfaceFactory(shape, view, interfaceFunction.propertyGroup); + var transformInterface = transformInterfaceFactory(shape.it[shape.it.length - 1], view.it[view.it.length - 1], interfaceFunction.propertyGroup); + interfaceFunction.content = content; + interfaceFunction.transform = transformInterface; + Object.defineProperty(interfaceFunction, '_name', { + get: function () { + return shape.nm; + }, + }); + // interfaceFunction.content = interfaceFunction; + interfaceFunction.numProperties = shape.np; + interfaceFunction.propertyIndex = shape.ix; + interfaceFunction.nm = shape.nm; + interfaceFunction.mn = shape.mn; + return interfaceFunction; + } + + function fillInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(val) { + if (val === 'Color' || val === 'color') { + return interfaceFunction.color; + } if (val === 'Opacity' || val === 'opacity') { + return interfaceFunction.opacity; + } + return null; + } + Object.defineProperties(interfaceFunction, { + color: { + get: ExpressionPropertyInterface(view.c), + }, + opacity: { + get: ExpressionPropertyInterface(view.o), + }, + _name: { value: shape.nm }, + mn: { value: shape.mn }, + }); + + view.c.setGroupProperty(PropertyInterface('Color', propertyGroup)); + view.o.setGroupProperty(PropertyInterface('Opacity', propertyGroup)); + return interfaceFunction; + } + + function gradientFillInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(val) { + if (val === 'Start Point' || val === 'start point') { + return interfaceFunction.startPoint; + } + if (val === 'End Point' || val === 'end point') { + return interfaceFunction.endPoint; + } + if (val === 'Opacity' || val === 'opacity') { + return interfaceFunction.opacity; + } + return null; + } + Object.defineProperties(interfaceFunction, { + startPoint: { + get: ExpressionPropertyInterface(view.s), + }, + endPoint: { + get: ExpressionPropertyInterface(view.e), + }, + opacity: { + get: ExpressionPropertyInterface(view.o), + }, + type: { + get: function () { + return 'a'; + }, + }, + _name: { value: shape.nm }, + mn: { value: shape.mn }, + }); + + view.s.setGroupProperty(PropertyInterface('Start Point', propertyGroup)); + view.e.setGroupProperty(PropertyInterface('End Point', propertyGroup)); + view.o.setGroupProperty(PropertyInterface('Opacity', propertyGroup)); + return interfaceFunction; + } + function defaultInterfaceFactory() { + function interfaceFunction() { + return null; + } + return interfaceFunction; + } + + function strokeInterfaceFactory(shape, view, propertyGroup) { + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + var _dashPropertyGroup = propertyGroupFactory(dashOb, _propertyGroup); + function addPropertyToDashOb(i) { + Object.defineProperty(dashOb, shape.d[i].nm, { + get: ExpressionPropertyInterface(view.d.dataProps[i].p), + }); + } + var i; + var len = shape.d ? shape.d.length : 0; + var dashOb = {}; + for (i = 0; i < len; i += 1) { + addPropertyToDashOb(i); + view.d.dataProps[i].p.setGroupProperty(_dashPropertyGroup); + } + + function interfaceFunction(val) { + if (val === 'Color' || val === 'color') { + return interfaceFunction.color; + } if (val === 'Opacity' || val === 'opacity') { + return interfaceFunction.opacity; + } if (val === 'Stroke Width' || val === 'stroke width') { + return interfaceFunction.strokeWidth; + } + return null; + } + Object.defineProperties(interfaceFunction, { + color: { + get: ExpressionPropertyInterface(view.c), + }, + opacity: { + get: ExpressionPropertyInterface(view.o), + }, + strokeWidth: { + get: ExpressionPropertyInterface(view.w), + }, + dash: { + get: function () { + return dashOb; + }, + }, + _name: { value: shape.nm }, + mn: { value: shape.mn }, + }); + + view.c.setGroupProperty(PropertyInterface('Color', _propertyGroup)); + view.o.setGroupProperty(PropertyInterface('Opacity', _propertyGroup)); + view.w.setGroupProperty(PropertyInterface('Stroke Width', _propertyGroup)); + return interfaceFunction; + } + + function trimInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(val) { + if (val === shape.e.ix || val === 'End' || val === 'end') { + return interfaceFunction.end; + } + if (val === shape.s.ix) { + return interfaceFunction.start; + } + if (val === shape.o.ix) { + return interfaceFunction.offset; + } + return null; + } + + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + interfaceFunction.propertyIndex = shape.ix; + + view.s.setGroupProperty(PropertyInterface('Start', _propertyGroup)); + view.e.setGroupProperty(PropertyInterface('End', _propertyGroup)); + view.o.setGroupProperty(PropertyInterface('Offset', _propertyGroup)); + interfaceFunction.propertyIndex = shape.ix; + interfaceFunction.propertyGroup = propertyGroup; + + Object.defineProperties(interfaceFunction, { + start: { + get: ExpressionPropertyInterface(view.s), + }, + end: { + get: ExpressionPropertyInterface(view.e), + }, + offset: { + get: ExpressionPropertyInterface(view.o), + }, + _name: { value: shape.nm }, + }); + interfaceFunction.mn = shape.mn; + return interfaceFunction; + } + + function transformInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(value) { + if (shape.a.ix === value || value === 'Anchor Point') { + return interfaceFunction.anchorPoint; + } + if (shape.o.ix === value || value === 'Opacity') { + return interfaceFunction.opacity; + } + if (shape.p.ix === value || value === 'Position') { + return interfaceFunction.position; + } + if (shape.r.ix === value || value === 'Rotation' || value === 'ADBE Vector Rotation') { + return interfaceFunction.rotation; + } + if (shape.s.ix === value || value === 'Scale') { + return interfaceFunction.scale; + } + if ((shape.sk && shape.sk.ix === value) || value === 'Skew') { + return interfaceFunction.skew; + } + if ((shape.sa && shape.sa.ix === value) || value === 'Skew Axis') { + return interfaceFunction.skewAxis; + } + return null; + } + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + view.transform.mProps.o.setGroupProperty(PropertyInterface('Opacity', _propertyGroup)); + view.transform.mProps.p.setGroupProperty(PropertyInterface('Position', _propertyGroup)); + view.transform.mProps.a.setGroupProperty(PropertyInterface('Anchor Point', _propertyGroup)); + view.transform.mProps.s.setGroupProperty(PropertyInterface('Scale', _propertyGroup)); + view.transform.mProps.r.setGroupProperty(PropertyInterface('Rotation', _propertyGroup)); + if (view.transform.mProps.sk) { + view.transform.mProps.sk.setGroupProperty(PropertyInterface('Skew', _propertyGroup)); + view.transform.mProps.sa.setGroupProperty(PropertyInterface('Skew Angle', _propertyGroup)); + } + view.transform.op.setGroupProperty(PropertyInterface('Opacity', _propertyGroup)); + Object.defineProperties(interfaceFunction, { + opacity: { + get: ExpressionPropertyInterface(view.transform.mProps.o), + }, + position: { + get: ExpressionPropertyInterface(view.transform.mProps.p), + }, + anchorPoint: { + get: ExpressionPropertyInterface(view.transform.mProps.a), + }, + scale: { + get: ExpressionPropertyInterface(view.transform.mProps.s), + }, + rotation: { + get: ExpressionPropertyInterface(view.transform.mProps.r), + }, + skew: { + get: ExpressionPropertyInterface(view.transform.mProps.sk), + }, + skewAxis: { + get: ExpressionPropertyInterface(view.transform.mProps.sa), + }, + _name: { value: shape.nm }, + }); + interfaceFunction.ty = 'tr'; + interfaceFunction.mn = shape.mn; + interfaceFunction.propertyGroup = propertyGroup; + return interfaceFunction; + } + + function ellipseInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(value) { + if (shape.p.ix === value) { + return interfaceFunction.position; + } + if (shape.s.ix === value) { + return interfaceFunction.size; + } + return null; + } + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + interfaceFunction.propertyIndex = shape.ix; + var prop = view.sh.ty === 'tm' ? view.sh.prop : view.sh; + prop.s.setGroupProperty(PropertyInterface('Size', _propertyGroup)); + prop.p.setGroupProperty(PropertyInterface('Position', _propertyGroup)); + + Object.defineProperties(interfaceFunction, { + size: { + get: ExpressionPropertyInterface(prop.s), + }, + position: { + get: ExpressionPropertyInterface(prop.p), + }, + _name: { value: shape.nm }, + }); + interfaceFunction.mn = shape.mn; + return interfaceFunction; + } + + function starInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(value) { + if (shape.p.ix === value) { + return interfaceFunction.position; + } + if (shape.r.ix === value) { + return interfaceFunction.rotation; + } + if (shape.pt.ix === value) { + return interfaceFunction.points; + } + if (shape.or.ix === value || value === 'ADBE Vector Star Outer Radius') { + return interfaceFunction.outerRadius; + } + if (shape.os.ix === value) { + return interfaceFunction.outerRoundness; + } + if (shape.ir && (shape.ir.ix === value || value === 'ADBE Vector Star Inner Radius')) { + return interfaceFunction.innerRadius; + } + if (shape.is && shape.is.ix === value) { + return interfaceFunction.innerRoundness; + } + return null; + } + + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + var prop = view.sh.ty === 'tm' ? view.sh.prop : view.sh; + interfaceFunction.propertyIndex = shape.ix; + prop.or.setGroupProperty(PropertyInterface('Outer Radius', _propertyGroup)); + prop.os.setGroupProperty(PropertyInterface('Outer Roundness', _propertyGroup)); + prop.pt.setGroupProperty(PropertyInterface('Points', _propertyGroup)); + prop.p.setGroupProperty(PropertyInterface('Position', _propertyGroup)); + prop.r.setGroupProperty(PropertyInterface('Rotation', _propertyGroup)); + if (shape.ir) { + prop.ir.setGroupProperty(PropertyInterface('Inner Radius', _propertyGroup)); + prop.is.setGroupProperty(PropertyInterface('Inner Roundness', _propertyGroup)); + } + + Object.defineProperties(interfaceFunction, { + position: { + get: ExpressionPropertyInterface(prop.p), + }, + rotation: { + get: ExpressionPropertyInterface(prop.r), + }, + points: { + get: ExpressionPropertyInterface(prop.pt), + }, + outerRadius: { + get: ExpressionPropertyInterface(prop.or), + }, + outerRoundness: { + get: ExpressionPropertyInterface(prop.os), + }, + innerRadius: { + get: ExpressionPropertyInterface(prop.ir), + }, + innerRoundness: { + get: ExpressionPropertyInterface(prop.is), + }, + _name: { value: shape.nm }, + }); + interfaceFunction.mn = shape.mn; + return interfaceFunction; + } + + function rectInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(value) { + if (shape.p.ix === value) { + return interfaceFunction.position; + } + if (shape.r.ix === value) { + return interfaceFunction.roundness; + } + if (shape.s.ix === value || value === 'Size' || value === 'ADBE Vector Rect Size') { + return interfaceFunction.size; + } + return null; + } + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + + var prop = view.sh.ty === 'tm' ? view.sh.prop : view.sh; + interfaceFunction.propertyIndex = shape.ix; + prop.p.setGroupProperty(PropertyInterface('Position', _propertyGroup)); + prop.s.setGroupProperty(PropertyInterface('Size', _propertyGroup)); + prop.r.setGroupProperty(PropertyInterface('Rotation', _propertyGroup)); + + Object.defineProperties(interfaceFunction, { + position: { + get: ExpressionPropertyInterface(prop.p), + }, + roundness: { + get: ExpressionPropertyInterface(prop.r), + }, + size: { + get: ExpressionPropertyInterface(prop.s), + }, + _name: { value: shape.nm }, + }); + interfaceFunction.mn = shape.mn; + return interfaceFunction; + } + + function roundedInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(value) { + if (shape.r.ix === value || value === 'Round Corners 1') { + return interfaceFunction.radius; + } + return null; + } + + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + var prop = view; + interfaceFunction.propertyIndex = shape.ix; + prop.rd.setGroupProperty(PropertyInterface('Radius', _propertyGroup)); + + Object.defineProperties(interfaceFunction, { + radius: { + get: ExpressionPropertyInterface(prop.rd), + }, + _name: { value: shape.nm }, + }); + interfaceFunction.mn = shape.mn; + return interfaceFunction; + } + + function repeaterInterfaceFactory(shape, view, propertyGroup) { + function interfaceFunction(value) { + if (shape.c.ix === value || value === 'Copies') { + return interfaceFunction.copies; + } if (shape.o.ix === value || value === 'Offset') { + return interfaceFunction.offset; + } + return null; + } + + var _propertyGroup = propertyGroupFactory(interfaceFunction, propertyGroup); + var prop = view; + interfaceFunction.propertyIndex = shape.ix; + prop.c.setGroupProperty(PropertyInterface('Copies', _propertyGroup)); + prop.o.setGroupProperty(PropertyInterface('Offset', _propertyGroup)); + Object.defineProperties(interfaceFunction, { + copies: { + get: ExpressionPropertyInterface(prop.c), + }, + offset: { + get: ExpressionPropertyInterface(prop.o), + }, + _name: { value: shape.nm }, + }); + interfaceFunction.mn = shape.mn; + return interfaceFunction; + } + + return function (shapes, view, propertyGroup) { + var interfaces; + function _interfaceFunction(value) { + if (typeof value === 'number') { + value = value === undefined ? 1 : value; + if (value === 0) { + return propertyGroup; + } + return interfaces[value - 1]; + } + var i = 0; + var len = interfaces.length; + while (i < len) { + if (interfaces[i]._name === value) { + return interfaces[i]; + } + i += 1; + } + return null; + } + function parentGroupWrapper() { + return propertyGroup; + } + _interfaceFunction.propertyGroup = propertyGroupFactory(_interfaceFunction, parentGroupWrapper); + interfaces = iterateElements(shapes, view, _interfaceFunction.propertyGroup); + _interfaceFunction.numProperties = interfaces.length; + _interfaceFunction._name = 'Contents'; + return _interfaceFunction; + }; +}()); + +const TextExpressionInterface = (function () { + return function (elem) { + var _prevValue; + var _sourceText; + function _thisLayerFunction(name) { + switch (name) { + case 'ADBE Text Document': + return _thisLayerFunction.sourceText; + default: + return null; + } + } + Object.defineProperty(_thisLayerFunction, 'sourceText', { + get: function () { + elem.textProperty.getValue(); + var stringValue = elem.textProperty.currentData.t; + if (stringValue !== _prevValue) { + elem.textProperty.currentData.t = _prevValue; + _sourceText = new String(stringValue); // eslint-disable-line no-new-wrappers + // If stringValue is an empty string, eval returns undefined, so it has to be returned as a String primitive + _sourceText.value = stringValue || new String(stringValue); // eslint-disable-line no-new-wrappers + } + return _sourceText; + }, + }); + return _thisLayerFunction; + }; +}()); + +const getBlendMode = (function () { + var blendModeEnums = { + 0: 'source-over', + 1: 'multiply', + 2: 'screen', + 3: 'overlay', + 4: 'darken', + 5: 'lighten', + 6: 'color-dodge', + 7: 'color-burn', + 8: 'hard-light', + 9: 'soft-light', + 10: 'difference', + 11: 'exclusion', + 12: 'hue', + 13: 'saturation', + 14: 'color', + 15: 'luminosity', + }; + + return function (mode) { + return blendModeEnums[mode] || ''; + }; +}()); + +function SliderEffect(data, elem, container) { + this.p = PropertyFactory.getProp(elem, data.v, 0, 0, container); +} +function AngleEffect(data, elem, container) { + this.p = PropertyFactory.getProp(elem, data.v, 0, 0, container); +} +function ColorEffect(data, elem, container) { + this.p = PropertyFactory.getProp(elem, data.v, 1, 0, container); +} +function PointEffect(data, elem, container) { + this.p = PropertyFactory.getProp(elem, data.v, 1, 0, container); +} +function LayerIndexEffect(data, elem, container) { + this.p = PropertyFactory.getProp(elem, data.v, 0, 0, container); +} +function MaskIndexEffect(data, elem, container) { + this.p = PropertyFactory.getProp(elem, data.v, 0, 0, container); +} +function CheckboxEffect(data, elem, container) { + this.p = PropertyFactory.getProp(elem, data.v, 0, 0, container); +} +function NoValueEffect() { + this.p = {}; +} + +function EffectsManager(data, element) { + var effects = data.ef || []; + this.effectElements = []; + var i; + var len = effects.length; + var effectItem; + for (i = 0; i < len; i += 1) { + effectItem = new GroupEffect(effects[i], element); + this.effectElements.push(effectItem); + } +} + +function GroupEffect(data, element) { + this.init(data, element); +} + +extendPrototype([DynamicPropertyContainer], GroupEffect); + +GroupEffect.prototype.getValue = GroupEffect.prototype.iterateDynamicProperties; + +GroupEffect.prototype.init = function (data, element) { + this.data = data; + this.effectElements = []; + this.initDynamicPropertyContainer(element); + var i; + var len = this.data.ef.length; + var eff; + var effects = this.data.ef; + for (i = 0; i < len; i += 1) { + eff = null; + switch (effects[i].ty) { + case 0: + eff = new SliderEffect(effects[i], element, this); + break; + case 1: + eff = new AngleEffect(effects[i], element, this); + break; + case 2: + eff = new ColorEffect(effects[i], element, this); + break; + case 3: + eff = new PointEffect(effects[i], element, this); + break; + case 4: + case 7: + eff = new CheckboxEffect(effects[i], element, this); + break; + case 10: + eff = new LayerIndexEffect(effects[i], element, this); + break; + case 11: + eff = new MaskIndexEffect(effects[i], element, this); + break; + case 5: + eff = new EffectsManager(effects[i], element, this); + break; + // case 6: + default: + eff = new NoValueEffect(effects[i], element, this); + break; + } + if (eff) { + this.effectElements.push(eff); + } + } +}; + +function BaseElement() { +} + +BaseElement.prototype = { + checkMasks: function () { + if (!this.data.hasMask) { + return false; + } + var i = 0; + var len = this.data.masksProperties.length; + while (i < len) { + if ((this.data.masksProperties[i].mode !== 'n' && this.data.masksProperties[i].cl !== false)) { + return true; + } + i += 1; + } + return false; + }, + initExpressions: function () { + this.layerInterface = LayerExpressionInterface(this); + if (this.data.hasMask && this.maskManager) { + this.layerInterface.registerMaskInterface(this.maskManager); + } + var effectsInterface = EffectsExpressionInterface.createEffectsInterface(this, this.layerInterface); + this.layerInterface.registerEffectsInterface(effectsInterface); + + if (this.data.ty === 0 || this.data.xt) { + this.compInterface = CompExpressionInterface(this); + } else if (this.data.ty === 4) { + this.layerInterface.shapeInterface = ShapeExpressionInterface(this.shapesData, this.itemsData, this.layerInterface); + this.layerInterface.content = this.layerInterface.shapeInterface; + } else if (this.data.ty === 5) { + this.layerInterface.textInterface = TextExpressionInterface(this); + this.layerInterface.text = this.layerInterface.textInterface; + } + }, + setBlendMode: function () { + var blendModeValue = getBlendMode(this.data.bm); + var elem = this.baseElement || this.layerElement; + + elem.style['mix-blend-mode'] = blendModeValue; + }, + initBaseData: function (data, globalData, comp) { + this.globalData = globalData; + this.comp = comp; + this.data = data; + this.layerId = createElementID(); + + // Stretch factor for old animations missing this property. + if (!this.data.sr) { + this.data.sr = 1; + } + // effects manager + this.effectsManager = new EffectsManager(this.data, this, this.dynamicProperties); + }, + getType: function () { + return this.type; + }, + sourceRectAtTime: function () {}, +}; + +/** + * @file + * Handles element's layer frame update. + * Checks layer in point and out point + * + */ + +function FrameElement() {} + +FrameElement.prototype = { + /** + * @function + * Initializes frame related properties. + * + */ + initFrame: function () { + // set to true when inpoint is rendered + this._isFirstFrame = false; + // list of animated properties + this.dynamicProperties = []; + // If layer has been modified in current tick this will be true + this._mdf = false; + }, + /** + * @function + * Calculates all dynamic values + * + * @param {number} num + * current frame number in Layer's time + * @param {boolean} isVisible + * if layers is currently in range + * + */ + prepareProperties: function (num, isVisible) { + var i; + var len = this.dynamicProperties.length; + for (i = 0; i < len; i += 1) { + if (isVisible || (this._isParent && this.dynamicProperties[i].propType === 'transform')) { + this.dynamicProperties[i].getValue(); + if (this.dynamicProperties[i]._mdf) { + this.globalData._mdf = true; + this._mdf = true; + } + } + } + }, + addDynamicProperty: function (prop) { + if (this.dynamicProperties.indexOf(prop) === -1) { + this.dynamicProperties.push(prop); + } + }, +}; + +const FootageInterface = (function () { + var outlineInterfaceFactory = (function (elem) { + var currentPropertyName = ''; + var currentProperty = elem.getFootageData(); + function init() { + currentPropertyName = ''; + currentProperty = elem.getFootageData(); + return searchProperty; + } + function searchProperty(value) { + if (currentProperty[value]) { + currentPropertyName = value; + currentProperty = currentProperty[value]; + if (typeof currentProperty === 'object') { + return searchProperty; + } + return currentProperty; + } + var propertyNameIndex = value.indexOf(currentPropertyName); + if (propertyNameIndex !== -1) { + var index = parseInt(value.substr(propertyNameIndex + currentPropertyName.length), 10); + currentProperty = currentProperty[index]; + if (typeof currentProperty === 'object') { + return searchProperty; + } + return currentProperty; + } + return ''; + } + return init; + }); + + var dataInterfaceFactory = function (elem) { + function interfaceFunction(value) { + if (value === 'Outline') { + return interfaceFunction.outlineInterface(); + } + return null; + } + + interfaceFunction._name = 'Outline'; + interfaceFunction.outlineInterface = outlineInterfaceFactory(elem); + return interfaceFunction; + }; + + return function (elem) { + function _interfaceFunction(value) { + if (value === 'Data') { + return _interfaceFunction.dataInterface; + } + return null; + } + + _interfaceFunction._name = 'Data'; + _interfaceFunction.dataInterface = dataInterfaceFactory(elem); + return _interfaceFunction; + }; +}()); + +function FootageElement(data, globalData, comp) { + this.initFrame(); + this.initRenderable(); + this.assetData = globalData.getAssetData(data.refId); + this.footageData = globalData.imageLoader.getAsset(this.assetData); + this.initBaseData(data, globalData, comp); +} + +FootageElement.prototype.prepareFrame = function () { +}; + +extendPrototype([RenderableElement, BaseElement, FrameElement], FootageElement); + +FootageElement.prototype.getBaseElement = function () { + return null; +}; + +FootageElement.prototype.renderFrame = function () { +}; + +FootageElement.prototype.destroy = function () { +}; + +FootageElement.prototype.initExpressions = function () { + this.layerInterface = FootageInterface(this); +}; + +FootageElement.prototype.getFootageData = function () { + return this.footageData; +}; + +function AudioElement(data, globalData, comp) { + this.initFrame(); + this.initRenderable(); + this.assetData = globalData.getAssetData(data.refId); + this.initBaseData(data, globalData, comp); + this._isPlaying = false; + this._canPlay = false; + var assetPath = this.globalData.getAssetsPath(this.assetData); + this.audio = this.globalData.audioController.createAudio(assetPath); + this._currentTime = 0; + this.globalData.audioController.addAudio(this); + this._volumeMultiplier = 1; + this._volume = 1; + this._previousVolume = null; + this.tm = data.tm ? PropertyFactory.getProp(this, data.tm, 0, globalData.frameRate, this) : { _placeholder: true }; + this.lv = PropertyFactory.getProp(this, data.au && data.au.lv ? data.au.lv : { k: [100] }, 1, 0.01, this); +} + +AudioElement.prototype.prepareFrame = function (num) { + this.prepareRenderableFrame(num, true); + this.prepareProperties(num, true); + if (!this.tm._placeholder) { + var timeRemapped = this.tm.v; + this._currentTime = timeRemapped; + } else { + this._currentTime = num / this.data.sr; + } + this._volume = this.lv.v[0]; + var totalVolume = this._volume * this._volumeMultiplier; + if (this._previousVolume !== totalVolume) { + this._previousVolume = totalVolume; + this.audio.volume(totalVolume); + } +}; + +extendPrototype([RenderableElement, BaseElement, FrameElement], AudioElement); + +AudioElement.prototype.renderFrame = function () { + if (this.isInRange && this._canPlay) { + if (!this._isPlaying) { + this.audio.play(); + this.audio.seek(this._currentTime / this.globalData.frameRate); + this._isPlaying = true; + } else if (!this.audio.playing() + || Math.abs(this._currentTime / this.globalData.frameRate - this.audio.seek()) > 0.1 + ) { + this.audio.seek(this._currentTime / this.globalData.frameRate); + } + } +}; + +AudioElement.prototype.show = function () { + // this.audio.play() +}; + +AudioElement.prototype.hide = function () { + this.audio.pause(); + this._isPlaying = false; +}; + +AudioElement.prototype.pause = function () { + this.audio.pause(); + this._isPlaying = false; + this._canPlay = false; +}; + +AudioElement.prototype.resume = function () { + this._canPlay = true; +}; + +AudioElement.prototype.setRate = function (rateValue) { + this.audio.rate(rateValue); +}; + +AudioElement.prototype.volume = function (volumeValue) { + this._volumeMultiplier = volumeValue; + this._previousVolume = volumeValue * this._volume; + this.audio.volume(this._previousVolume); +}; + +AudioElement.prototype.getBaseElement = function () { + return null; +}; + +AudioElement.prototype.destroy = function () { +}; + +AudioElement.prototype.sourceRectAtTime = function () { +}; + +AudioElement.prototype.initExpressions = function () { +}; + +function BaseRenderer() {} +BaseRenderer.prototype.checkLayers = function (num) { + var i; + var len = this.layers.length; + var data; + this.completeLayers = true; + for (i = len - 1; i >= 0; i -= 1) { + if (!this.elements[i]) { + data = this.layers[i]; + if (data.ip - data.st <= (num - this.layers[i].st) && data.op - data.st > (num - this.layers[i].st)) { + this.buildItem(i); + } + } + this.completeLayers = this.elements[i] ? this.completeLayers : false; + } + this.checkPendingElements(); +}; + +BaseRenderer.prototype.createItem = function (layer) { + switch (layer.ty) { + case 2: + return this.createImage(layer); + case 0: + return this.createComp(layer); + case 1: + return this.createSolid(layer); + case 3: + return this.createNull(layer); + case 4: + return this.createShape(layer); + case 5: + return this.createText(layer); + case 6: + return this.createAudio(layer); + case 13: + return this.createCamera(layer); + case 15: + return this.createFootage(layer); + default: + return this.createNull(layer); + } +}; + +BaseRenderer.prototype.createCamera = function () { + throw new Error('You\'re using a 3d camera. Try the html renderer.'); +}; + +BaseRenderer.prototype.createAudio = function (data) { + return new AudioElement(data, this.globalData, this); +}; + +BaseRenderer.prototype.createFootage = function (data) { + return new FootageElement(data, this.globalData, this); +}; + +BaseRenderer.prototype.buildAllItems = function () { + var i; + var len = this.layers.length; + for (i = 0; i < len; i += 1) { + this.buildItem(i); + } + this.checkPendingElements(); +}; + +BaseRenderer.prototype.includeLayers = function (newLayers) { + this.completeLayers = false; + var i; + var len = newLayers.length; + var j; + var jLen = this.layers.length; + for (i = 0; i < len; i += 1) { + j = 0; + while (j < jLen) { + if (this.layers[j].id === newLayers[i].id) { + this.layers[j] = newLayers[i]; + break; + } + j += 1; + } + } +}; + +BaseRenderer.prototype.setProjectInterface = function (pInterface) { + this.globalData.projectInterface = pInterface; +}; + +BaseRenderer.prototype.initItems = function () { + if (!this.globalData.progressiveLoad) { + this.buildAllItems(); + } +}; +BaseRenderer.prototype.buildElementParenting = function (element, parentName, hierarchy) { + var elements = this.elements; + var layers = this.layers; + var i = 0; + var len = layers.length; + while (i < len) { + if (layers[i].ind == parentName) { // eslint-disable-line eqeqeq + if (!elements[i] || elements[i] === true) { + this.buildItem(i); + this.addPendingElement(element); + } else { + hierarchy.push(elements[i]); + elements[i].setAsParent(); + if (layers[i].parent !== undefined) { + this.buildElementParenting(element, layers[i].parent, hierarchy); + } else { + element.setHierarchy(hierarchy); + } + } + } + i += 1; + } +}; + +BaseRenderer.prototype.addPendingElement = function (element) { + this.pendingElements.push(element); +}; + +BaseRenderer.prototype.searchExtraCompositions = function (assets) { + var i; + var len = assets.length; + for (i = 0; i < len; i += 1) { + if (assets[i].xt) { + var comp = this.createComp(assets[i]); + comp.initExpressions(); + this.globalData.projectInterface.registerComposition(comp); + } + } +}; + +BaseRenderer.prototype.getElementByPath = function (path) { + var pathValue = path.shift(); + var element; + if (typeof pathValue === 'number') { + element = this.elements[pathValue]; + } else { + var i; + var len = this.elements.length; + for (i = 0; i < len; i += 1) { + if (this.elements[i].data.nm === pathValue) { + element = this.elements[i]; + break; + } + } + } + if (path.length === 0) { + return element; + } + return element.getElementByPath(path); +}; + +BaseRenderer.prototype.setupGlobalData = function (animData, fontsContainer) { + this.globalData.fontManager = new FontManager(); + this.globalData.fontManager.addChars(animData.chars); + this.globalData.fontManager.addFonts(animData.fonts, fontsContainer); + this.globalData.getAssetData = this.animationItem.getAssetData.bind(this.animationItem); + this.globalData.getAssetsPath = this.animationItem.getAssetsPath.bind(this.animationItem); + this.globalData.imageLoader = this.animationItem.imagePreloader; + this.globalData.audioController = this.animationItem.audioController; + this.globalData.frameId = 0; + this.globalData.frameRate = animData.fr; + this.globalData.nm = animData.nm; + this.globalData.compSize = { + w: animData.w, + h: animData.h, + }; +}; + +function TransformElement() {} + +TransformElement.prototype = { + initTransform: function () { + this.finalTransform = { + mProp: this.data.ks ? TransformPropertyFactory.getTransformProperty(this, this.data.ks, this) : { o: 0 }, + _matMdf: false, + _opMdf: false, + mat: new Matrix(), + }; + if (this.data.ao) { + this.finalTransform.mProp.autoOriented = true; + } + + // TODO: check TYPE 11: Guided elements + if (this.data.ty !== 11) { + // this.createElements(); + } + }, + renderTransform: function () { + this.finalTransform._opMdf = this.finalTransform.mProp.o._mdf || this._isFirstFrame; + this.finalTransform._matMdf = this.finalTransform.mProp._mdf || this._isFirstFrame; + + if (this.hierarchy) { + var mat; + var finalMat = this.finalTransform.mat; + var i = 0; + var len = this.hierarchy.length; + // Checking if any of the transformation matrices in the hierarchy chain has changed. + if (!this.finalTransform._matMdf) { + while (i < len) { + if (this.hierarchy[i].finalTransform.mProp._mdf) { + this.finalTransform._matMdf = true; + break; + } + i += 1; + } + } + + if (this.finalTransform._matMdf) { + mat = this.finalTransform.mProp.v.props; + finalMat.cloneFromProps(mat); + for (i = 0; i < len; i += 1) { + mat = this.hierarchy[i].finalTransform.mProp.v.props; + finalMat.transform(mat[0], mat[1], mat[2], mat[3], mat[4], mat[5], mat[6], mat[7], mat[8], mat[9], mat[10], mat[11], mat[12], mat[13], mat[14], mat[15]); + } + } + } + }, + globalToLocal: function (pt) { + var transforms = []; + transforms.push(this.finalTransform); + var flag = true; + var comp = this.comp; + while (flag) { + if (comp.finalTransform) { + if (comp.data.hasMask) { + transforms.splice(0, 0, comp.finalTransform); + } + comp = comp.comp; + } else { + flag = false; + } + } + var i; + var len = transforms.length; + var ptNew; + for (i = 0; i < len; i += 1) { + ptNew = transforms[i].mat.applyToPointArray(0, 0, 0); + // ptNew = transforms[i].mat.applyToPointArray(pt[0],pt[1],pt[2]); + pt = [pt[0] - ptNew[0], pt[1] - ptNew[1], 0]; + } + return pt; + }, + mHelper: new Matrix(), +}; + +function MaskElement(data, element, globalData) { + this.data = data; + this.element = element; + this.globalData = globalData; + this.storedData = []; + this.masksProperties = this.data.masksProperties || []; + this.maskElement = null; + var defs = this.globalData.defs; + var i; + var len = this.masksProperties ? this.masksProperties.length : 0; + this.viewData = createSizedArray(len); + this.solidPath = ''; + + var path; + var properties = this.masksProperties; + var count = 0; + var currentMasks = []; + var j; + var jLen; + var layerId = createElementID(); + var rect; + var expansor; + var feMorph; + var x; + var maskType = 'clipPath'; + var maskRef = 'clip-path'; + for (i = 0; i < len; i += 1) { + if ((properties[i].mode !== 'a' && properties[i].mode !== 'n') || properties[i].inv || properties[i].o.k !== 100 || properties[i].o.x) { + maskType = 'mask'; + maskRef = 'mask'; + } + + if ((properties[i].mode === 's' || properties[i].mode === 'i') && count === 0) { + rect = createNS('rect'); + rect.setAttribute('fill', '#ffffff'); + rect.setAttribute('width', this.element.comp.data.w || 0); + rect.setAttribute('height', this.element.comp.data.h || 0); + currentMasks.push(rect); + } else { + rect = null; + } + + path = createNS('path'); + if (properties[i].mode === 'n') { + // TODO move this to a factory or to a constructor + this.viewData[i] = { + op: PropertyFactory.getProp(this.element, properties[i].o, 0, 0.01, this.element), + prop: ShapePropertyFactory.getShapeProp(this.element, properties[i], 3), + elem: path, + lastPath: '', + }; + defs.appendChild(path); + } else { + count += 1; + + path.setAttribute('fill', properties[i].mode === 's' ? '#000000' : '#ffffff'); + path.setAttribute('clip-rule', 'nonzero'); + var filterID; + + if (properties[i].x.k !== 0) { + maskType = 'mask'; + maskRef = 'mask'; + x = PropertyFactory.getProp(this.element, properties[i].x, 0, null, this.element); + filterID = createElementID(); + expansor = createNS('filter'); + expansor.setAttribute('id', filterID); + feMorph = createNS('feMorphology'); + feMorph.setAttribute('operator', 'erode'); + feMorph.setAttribute('in', 'SourceGraphic'); + feMorph.setAttribute('radius', '0'); + expansor.appendChild(feMorph); + defs.appendChild(expansor); + path.setAttribute('stroke', properties[i].mode === 's' ? '#000000' : '#ffffff'); + } else { + feMorph = null; + x = null; + } + + // TODO move this to a factory or to a constructor + this.storedData[i] = { + elem: path, + x: x, + expan: feMorph, + lastPath: '', + lastOperator: '', + filterId: filterID, + lastRadius: 0, + }; + if (properties[i].mode === 'i') { + jLen = currentMasks.length; + var g = createNS('g'); + for (j = 0; j < jLen; j += 1) { + g.appendChild(currentMasks[j]); + } + var mask = createNS('mask'); + mask.setAttribute('mask-type', 'alpha'); + mask.setAttribute('id', layerId + '_' + count); + mask.appendChild(path); + defs.appendChild(mask); + g.setAttribute('mask', 'url(' + getLocationHref() + '#' + layerId + '_' + count + ')'); + + currentMasks.length = 0; + currentMasks.push(g); + } else { + currentMasks.push(path); + } + if (properties[i].inv && !this.solidPath) { + this.solidPath = this.createLayerSolidPath(); + } + // TODO move this to a factory or to a constructor + this.viewData[i] = { + elem: path, + lastPath: '', + op: PropertyFactory.getProp(this.element, properties[i].o, 0, 0.01, this.element), + prop: ShapePropertyFactory.getShapeProp(this.element, properties[i], 3), + invRect: rect, + }; + if (!this.viewData[i].prop.k) { + this.drawPath(properties[i], this.viewData[i].prop.v, this.viewData[i]); + } + } + } + + this.maskElement = createNS(maskType); + + len = currentMasks.length; + for (i = 0; i < len; i += 1) { + this.maskElement.appendChild(currentMasks[i]); + } + + if (count > 0) { + this.maskElement.setAttribute('id', layerId); + this.element.maskedElement.setAttribute(maskRef, 'url(' + getLocationHref() + '#' + layerId + ')'); + defs.appendChild(this.maskElement); + } + if (this.viewData.length) { + this.element.addRenderableComponent(this); + } +} + +MaskElement.prototype.getMaskProperty = function (pos) { + return this.viewData[pos].prop; +}; + +MaskElement.prototype.renderFrame = function (isFirstFrame) { + var finalMat = this.element.finalTransform.mat; + var i; + var len = this.masksProperties.length; + for (i = 0; i < len; i += 1) { + if (this.viewData[i].prop._mdf || isFirstFrame) { + this.drawPath(this.masksProperties[i], this.viewData[i].prop.v, this.viewData[i]); + } + if (this.viewData[i].op._mdf || isFirstFrame) { + this.viewData[i].elem.setAttribute('fill-opacity', this.viewData[i].op.v); + } + if (this.masksProperties[i].mode !== 'n') { + if (this.viewData[i].invRect && (this.element.finalTransform.mProp._mdf || isFirstFrame)) { + this.viewData[i].invRect.setAttribute('transform', finalMat.getInverseMatrix().to2dCSS()); + } + if (this.storedData[i].x && (this.storedData[i].x._mdf || isFirstFrame)) { + var feMorph = this.storedData[i].expan; + if (this.storedData[i].x.v < 0) { + if (this.storedData[i].lastOperator !== 'erode') { + this.storedData[i].lastOperator = 'erode'; + this.storedData[i].elem.setAttribute('filter', 'url(' + getLocationHref() + '#' + this.storedData[i].filterId + ')'); + } + feMorph.setAttribute('radius', -this.storedData[i].x.v); + } else { + if (this.storedData[i].lastOperator !== 'dilate') { + this.storedData[i].lastOperator = 'dilate'; + this.storedData[i].elem.setAttribute('filter', null); + } + this.storedData[i].elem.setAttribute('stroke-width', this.storedData[i].x.v * 2); + } + } + } + } +}; + +MaskElement.prototype.getMaskelement = function () { + return this.maskElement; +}; + +MaskElement.prototype.createLayerSolidPath = function () { + var path = 'M0,0 '; + path += ' h' + this.globalData.compSize.w; + path += ' v' + this.globalData.compSize.h; + path += ' h-' + this.globalData.compSize.w; + path += ' v-' + this.globalData.compSize.h + ' '; + return path; +}; + +MaskElement.prototype.drawPath = function (pathData, pathNodes, viewData) { + var pathString = ' M' + pathNodes.v[0][0] + ',' + pathNodes.v[0][1]; + var i; + var len; + len = pathNodes._length; + for (i = 1; i < len; i += 1) { + // pathString += " C"+pathNodes.o[i-1][0]+','+pathNodes.o[i-1][1] + " "+pathNodes.i[i][0]+','+pathNodes.i[i][1] + " "+pathNodes.v[i][0]+','+pathNodes.v[i][1]; + pathString += ' C' + pathNodes.o[i - 1][0] + ',' + pathNodes.o[i - 1][1] + ' ' + pathNodes.i[i][0] + ',' + pathNodes.i[i][1] + ' ' + pathNodes.v[i][0] + ',' + pathNodes.v[i][1]; + } + // pathString += " C"+pathNodes.o[i-1][0]+','+pathNodes.o[i-1][1] + " "+pathNodes.i[0][0]+','+pathNodes.i[0][1] + " "+pathNodes.v[0][0]+','+pathNodes.v[0][1]; + if (pathNodes.c && len > 1) { + pathString += ' C' + pathNodes.o[i - 1][0] + ',' + pathNodes.o[i - 1][1] + ' ' + pathNodes.i[0][0] + ',' + pathNodes.i[0][1] + ' ' + pathNodes.v[0][0] + ',' + pathNodes.v[0][1]; + } + // pathNodes.__renderedString = pathString; + + if (viewData.lastPath !== pathString) { + var pathShapeValue = ''; + if (viewData.elem) { + if (pathNodes.c) { + pathShapeValue = pathData.inv ? this.solidPath + pathString : pathString; + } + viewData.elem.setAttribute('d', pathShapeValue); + } + viewData.lastPath = pathString; + } +}; + +MaskElement.prototype.destroy = function () { + this.element = null; + this.globalData = null; + this.maskElement = null; + this.data = null; + this.masksProperties = null; +}; + +const filtersFactory = (function () { + var ob = {}; + ob.createFilter = createFilter; + ob.createAlphaToLuminanceFilter = createAlphaToLuminanceFilter; + + function createFilter(filId, skipCoordinates) { + var fil = createNS('filter'); + fil.setAttribute('id', filId); + if (skipCoordinates !== true) { + fil.setAttribute('filterUnits', 'objectBoundingBox'); + fil.setAttribute('x', '0%'); + fil.setAttribute('y', '0%'); + fil.setAttribute('width', '100%'); + fil.setAttribute('height', '100%'); + } + return fil; + } + + function createAlphaToLuminanceFilter() { + var feColorMatrix = createNS('feColorMatrix'); + feColorMatrix.setAttribute('type', 'matrix'); + feColorMatrix.setAttribute('color-interpolation-filters', 'sRGB'); + feColorMatrix.setAttribute('values', '0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1'); + return feColorMatrix; + } + + return ob; +}()); + +const featureSupport = (function () { + var ob = { + maskType: true, + }; + if (/MSIE 10/i.test(navigator.userAgent) || /MSIE 9/i.test(navigator.userAgent) || /rv:11.0/i.test(navigator.userAgent) || /Edge\/\d./i.test(navigator.userAgent)) { + ob.maskType = false; + } + return ob; +}()); + +var registeredEffects = {}; +var idPrefix = 'filter_result_'; + +function SVGEffects(elem) { + var i; + var source = 'SourceGraphic'; + var len = elem.data.ef ? elem.data.ef.length : 0; + var filId = createElementID(); + var fil = filtersFactory.createFilter(filId, true); + var count = 0; + this.filters = []; + var filterManager; + for (i = 0; i < len; i += 1) { + filterManager = null; + var type = elem.data.ef[i].ty; + if (registeredEffects[type]) { + var Effect = registeredEffects[type].effect; + filterManager = new Effect(fil, elem.effectsManager.effectElements[i], elem, idPrefix + count, source); + source = idPrefix + count; + if (registeredEffects[type].countsAsEffect) { + count += 1; + } + } + if (filterManager) { + this.filters.push(filterManager); + } + } + if (count) { + elem.globalData.defs.appendChild(fil); + elem.layerElement.setAttribute('filter', 'url(' + getLocationHref() + '#' + filId + ')'); + } + if (this.filters.length) { + elem.addRenderableComponent(this); + } +} + +SVGEffects.prototype.renderFrame = function (_isFirstFrame) { + var i; + var len = this.filters.length; + for (i = 0; i < len; i += 1) { + this.filters[i].renderFrame(_isFirstFrame); + } +}; + +function registerEffect(id, effect, countsAsEffect) { + registeredEffects[id] = { + effect, + countsAsEffect, + }; +} + +function SVGBaseElement() { +} + +SVGBaseElement.prototype = { + initRendererElement: function () { + this.layerElement = createNS('g'); + }, + createContainerElements: function () { + this.matteElement = createNS('g'); + this.transformedElement = this.layerElement; + this.maskedElement = this.layerElement; + this._sizeChanged = false; + var layerElementParent = null; + // If this layer acts as a mask for the following layer + var filId; + var fil; + var gg; + if (this.data.td) { + if (this.data.td == 3 || this.data.td == 1) { // eslint-disable-line eqeqeq + var masker = createNS('mask'); + masker.setAttribute('id', this.layerId); + masker.setAttribute('mask-type', this.data.td == 3 ? 'luminance' : 'alpha'); // eslint-disable-line eqeqeq + masker.appendChild(this.layerElement); + layerElementParent = masker; + this.globalData.defs.appendChild(masker); + // This is only for IE and Edge when mask if of type alpha + if (!featureSupport.maskType && this.data.td == 1) { // eslint-disable-line eqeqeq + masker.setAttribute('mask-type', 'luminance'); + filId = createElementID(); + fil = filtersFactory.createFilter(filId); + this.globalData.defs.appendChild(fil); + fil.appendChild(filtersFactory.createAlphaToLuminanceFilter()); + gg = createNS('g'); + gg.appendChild(this.layerElement); + layerElementParent = gg; + masker.appendChild(gg); + gg.setAttribute('filter', 'url(' + getLocationHref() + '#' + filId + ')'); + } + } else if (this.data.td == 2) { // eslint-disable-line eqeqeq + var maskGroup = createNS('mask'); + maskGroup.setAttribute('id', this.layerId); + maskGroup.setAttribute('mask-type', 'alpha'); + var maskGrouper = createNS('g'); + maskGroup.appendChild(maskGrouper); + filId = createElementID(); + fil = filtersFactory.createFilter(filId); + /// / + + // This solution doesn't work on Android when meta tag with viewport attribute is set + /* var feColorMatrix = createNS('feColorMatrix'); + feColorMatrix.setAttribute('type', 'matrix'); + feColorMatrix.setAttribute('color-interpolation-filters', 'sRGB'); + feColorMatrix.setAttribute('values','1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 -1 1'); + fil.appendChild(feColorMatrix); */ + /// / + var feCTr = createNS('feComponentTransfer'); + feCTr.setAttribute('in', 'SourceGraphic'); + fil.appendChild(feCTr); + var feFunc = createNS('feFuncA'); + feFunc.setAttribute('type', 'table'); + feFunc.setAttribute('tableValues', '1.0 0.0'); + feCTr.appendChild(feFunc); + /// / + this.globalData.defs.appendChild(fil); + var alphaRect = createNS('rect'); + alphaRect.setAttribute('width', this.comp.data.w); + alphaRect.setAttribute('height', this.comp.data.h); + alphaRect.setAttribute('x', '0'); + alphaRect.setAttribute('y', '0'); + alphaRect.setAttribute('fill', '#ffffff'); + alphaRect.setAttribute('opacity', '0'); + maskGrouper.setAttribute('filter', 'url(' + getLocationHref() + '#' + filId + ')'); + maskGrouper.appendChild(alphaRect); + maskGrouper.appendChild(this.layerElement); + layerElementParent = maskGrouper; + if (!featureSupport.maskType) { + maskGroup.setAttribute('mask-type', 'luminance'); + fil.appendChild(filtersFactory.createAlphaToLuminanceFilter()); + gg = createNS('g'); + maskGrouper.appendChild(alphaRect); + gg.appendChild(this.layerElement); + layerElementParent = gg; + maskGrouper.appendChild(gg); + } + this.globalData.defs.appendChild(maskGroup); + } + } else if (this.data.tt) { + this.matteElement.appendChild(this.layerElement); + layerElementParent = this.matteElement; + this.baseElement = this.matteElement; + } else { + this.baseElement = this.layerElement; + } + if (this.data.ln) { + this.layerElement.setAttribute('id', this.data.ln); + } + if (this.data.cl) { + this.layerElement.setAttribute('class', this.data.cl); + } + // Clipping compositions to hide content that exceeds boundaries. If collapsed transformations is on, component should not be clipped + if (this.data.ty === 0 && !this.data.hd) { + var cp = createNS('clipPath'); + var pt = createNS('path'); + pt.setAttribute('d', 'M0,0 L' + this.data.w + ',0 L' + this.data.w + ',' + this.data.h + ' L0,' + this.data.h + 'z'); + var clipId = createElementID(); + cp.setAttribute('id', clipId); + cp.appendChild(pt); + this.globalData.defs.appendChild(cp); + + if (this.checkMasks()) { + var cpGroup = createNS('g'); + cpGroup.setAttribute('clip-path', 'url(' + getLocationHref() + '#' + clipId + ')'); + cpGroup.appendChild(this.layerElement); + this.transformedElement = cpGroup; + if (layerElementParent) { + layerElementParent.appendChild(this.transformedElement); + } else { + this.baseElement = this.transformedElement; + } + } else { + this.layerElement.setAttribute('clip-path', 'url(' + getLocationHref() + '#' + clipId + ')'); + } + } + if (this.data.bm !== 0) { + this.setBlendMode(); + } + }, + renderElement: function () { + if (this.finalTransform._matMdf) { + this.transformedElement.setAttribute('transform', this.finalTransform.mat.to2dCSS()); + } + if (this.finalTransform._opMdf) { + this.transformedElement.setAttribute('opacity', this.finalTransform.mProp.o.v); + } + }, + destroyBaseElement: function () { + this.layerElement = null; + this.matteElement = null; + this.maskManager.destroy(); + }, + getBaseElement: function () { + if (this.data.hd) { + return null; + } + return this.baseElement; + }, + createRenderableComponents: function () { + this.maskManager = new MaskElement(this.data, this, this.globalData); + this.renderableEffectsManager = new SVGEffects(this); + }, + setMatte: function (id) { + if (!this.matteElement) { + return; + } + this.matteElement.setAttribute('mask', 'url(' + getLocationHref() + '#' + id + ')'); + }, +}; + +/** + * @file + * Handles AE's layer parenting property. + * + */ + +function HierarchyElement() {} + +HierarchyElement.prototype = { + /** + * @function + * Initializes hierarchy properties + * + */ + initHierarchy: function () { + // element's parent list + this.hierarchy = []; + // if element is parent of another layer _isParent will be true + this._isParent = false; + this.checkParenting(); + }, + /** + * @function + * Sets layer's hierarchy. + * @param {array} hierarch + * layer's parent list + * + */ + setHierarchy: function (hierarchy) { + this.hierarchy = hierarchy; + }, + /** + * @function + * Sets layer as parent. + * + */ + setAsParent: function () { + this._isParent = true; + }, + /** + * @function + * Searches layer's parenting chain + * + */ + checkParenting: function () { + if (this.data.parent !== undefined) { + this.comp.buildElementParenting(this, this.data.parent, []); + } + }, +}; + +function RenderableDOMElement() {} + +(function () { + var _prototype = { + initElement: function (data, globalData, comp) { + this.initFrame(); + this.initBaseData(data, globalData, comp); + this.initTransform(data, globalData, comp); + this.initHierarchy(); + this.initRenderable(); + this.initRendererElement(); + this.createContainerElements(); + this.createRenderableComponents(); + this.createContent(); + this.hide(); + }, + hide: function () { + // console.log('HIDE', this); + if (!this.hidden && (!this.isInRange || this.isTransparent)) { + var elem = this.baseElement || this.layerElement; + elem.style.display = 'none'; + this.hidden = true; + } + }, + show: function () { + // console.log('SHOW', this); + if (this.isInRange && !this.isTransparent) { + if (!this.data.hd) { + var elem = this.baseElement || this.layerElement; + elem.style.display = 'block'; + } + this.hidden = false; + this._isFirstFrame = true; + } + }, + renderFrame: function () { + // If it is exported as hidden (data.hd === true) no need to render + // If it is not visible no need to render + if (this.data.hd || this.hidden) { + return; + } + this.renderTransform(); + this.renderRenderable(); + this.renderElement(); + this.renderInnerContent(); + if (this._isFirstFrame) { + this._isFirstFrame = false; + } + }, + renderInnerContent: function () {}, + prepareFrame: function (num) { + this._mdf = false; + this.prepareRenderableFrame(num); + this.prepareProperties(num, this.isInRange); + this.checkTransparency(); + }, + destroy: function () { + this.innerElem = null; + this.destroyBaseElement(); + }, + }; + extendPrototype([RenderableElement, createProxyFunction(_prototype)], RenderableDOMElement); +}()); + +function IImageElement(data, globalData, comp) { + this.assetData = globalData.getAssetData(data.refId); + this.initElement(data, globalData, comp); + this.sourceRect = { + top: 0, left: 0, width: this.assetData.w, height: this.assetData.h, + }; +} + +extendPrototype([BaseElement, TransformElement, SVGBaseElement, HierarchyElement, FrameElement, RenderableDOMElement], IImageElement); + +IImageElement.prototype.createContent = function () { + var assetPath = this.globalData.getAssetsPath(this.assetData); + + this.innerElem = createNS('image'); + this.innerElem.setAttribute('width', this.assetData.w + 'px'); + this.innerElem.setAttribute('height', this.assetData.h + 'px'); + this.innerElem.setAttribute('preserveAspectRatio', this.assetData.pr || this.globalData.renderConfig.imagePreserveAspectRatio); + this.innerElem.setAttributeNS('http://www.w3.org/1999/xlink', 'href', assetPath); + + this.layerElement.appendChild(this.innerElem); +}; + +IImageElement.prototype.sourceRectAtTime = function () { + return this.sourceRect; +}; + +function ProcessedElement(element, position) { + this.elem = element; + this.pos = position; +} + +function IShapeElement() { +} + +IShapeElement.prototype = { + addShapeToModifiers: function (data) { + var i; + var len = this.shapeModifiers.length; + for (i = 0; i < len; i += 1) { + this.shapeModifiers[i].addShape(data); + } + }, + isShapeInAnimatedModifiers: function (data) { + var i = 0; + var len = this.shapeModifiers.length; + while (i < len) { + if (this.shapeModifiers[i].isAnimatedWithShape(data)) { + return true; + } + } + return false; + }, + renderModifiers: function () { + if (!this.shapeModifiers.length) { + return; + } + var i; + var len = this.shapes.length; + for (i = 0; i < len; i += 1) { + this.shapes[i].sh.reset(); + } + + len = this.shapeModifiers.length; + var shouldBreakProcess; + for (i = len - 1; i >= 0; i -= 1) { + shouldBreakProcess = this.shapeModifiers[i].processShapes(this._isFirstFrame); + // workaround to fix cases where a repeater resets the shape so the following processes get called twice + // TODO: find a better solution for this + if (shouldBreakProcess) { + break; + } + } + }, + + searchProcessedElement: function (elem) { + var elements = this.processedElements; + var i = 0; + var len = elements.length; + while (i < len) { + if (elements[i].elem === elem) { + return elements[i].pos; + } + i += 1; + } + return 0; + }, + addProcessedElement: function (elem, pos) { + var elements = this.processedElements; + var i = elements.length; + while (i) { + i -= 1; + if (elements[i].elem === elem) { + elements[i].pos = pos; + return; + } + } + elements.push(new ProcessedElement(elem, pos)); + }, + prepareFrame: function (num) { + this.prepareRenderableFrame(num); + this.prepareProperties(num, this.isInRange); + }, +}; + +const lineCapEnum = { + 1: 'butt', + 2: 'round', + 3: 'square', +}; + +const lineJoinEnum = { + 1: 'miter', + 2: 'round', + 3: 'bevel', +}; + +function SVGShapeData(transformers, level, shape) { + this.caches = []; + this.styles = []; + this.transformers = transformers; + this.lStr = ''; + this.sh = shape; + this.lvl = level; + // TODO find if there are some cases where _isAnimated can be false. + // For now, since shapes add up with other shapes. They have to be calculated every time. + // One way of finding out is checking if all styles associated to this shape depend only of this shape + this._isAnimated = !!shape.k; + // TODO: commenting this for now since all shapes are animated + var i = 0; + var len = transformers.length; + while (i < len) { + if (transformers[i].mProps.dynamicProperties.length) { + this._isAnimated = true; + break; + } + i += 1; + } +} + +SVGShapeData.prototype.setAsAnimated = function () { + this._isAnimated = true; +}; + +function SVGStyleData(data, level) { + this.data = data; + this.type = data.ty; + this.d = ''; + this.lvl = level; + this._mdf = false; + this.closed = data.hd === true; + this.pElem = createNS('path'); + this.msElem = null; +} + +SVGStyleData.prototype.reset = function () { + this.d = ''; + this._mdf = false; +}; + +function DashProperty(elem, data, renderer, container) { + this.elem = elem; + this.frameId = -1; + this.dataProps = createSizedArray(data.length); + this.renderer = renderer; + this.k = false; + this.dashStr = ''; + this.dashArray = createTypedArray('float32', data.length ? data.length - 1 : 0); + this.dashoffset = createTypedArray('float32', 1); + this.initDynamicPropertyContainer(container); + var i; + var len = data.length || 0; + var prop; + for (i = 0; i < len; i += 1) { + prop = PropertyFactory.getProp(elem, data[i].v, 0, 0, this); + this.k = prop.k || this.k; + this.dataProps[i] = { n: data[i].n, p: prop }; + } + if (!this.k) { + this.getValue(true); + } + this._isAnimated = this.k; +} + +DashProperty.prototype.getValue = function (forceRender) { + if (this.elem.globalData.frameId === this.frameId && !forceRender) { + return; + } + this.frameId = this.elem.globalData.frameId; + this.iterateDynamicProperties(); + this._mdf = this._mdf || forceRender; + if (this._mdf) { + var i = 0; + var len = this.dataProps.length; + if (this.renderer === 'svg') { + this.dashStr = ''; + } + for (i = 0; i < len; i += 1) { + if (this.dataProps[i].n !== 'o') { + if (this.renderer === 'svg') { + this.dashStr += ' ' + this.dataProps[i].p.v; + } else { + this.dashArray[i] = this.dataProps[i].p.v; + } + } else { + this.dashoffset[0] = this.dataProps[i].p.v; + } + } + } +}; +extendPrototype([DynamicPropertyContainer], DashProperty); + +function SVGStrokeStyleData(elem, data, styleOb) { + this.initDynamicPropertyContainer(elem); + this.getValue = this.iterateDynamicProperties; + this.o = PropertyFactory.getProp(elem, data.o, 0, 0.01, this); + this.w = PropertyFactory.getProp(elem, data.w, 0, null, this); + this.d = new DashProperty(elem, data.d || {}, 'svg', this); + this.c = PropertyFactory.getProp(elem, data.c, 1, 255, this); + this.style = styleOb; + this._isAnimated = !!this._isAnimated; +} + +extendPrototype([DynamicPropertyContainer], SVGStrokeStyleData); + +function SVGFillStyleData(elem, data, styleOb) { + this.initDynamicPropertyContainer(elem); + this.getValue = this.iterateDynamicProperties; + this.o = PropertyFactory.getProp(elem, data.o, 0, 0.01, this); + this.c = PropertyFactory.getProp(elem, data.c, 1, 255, this); + this.style = styleOb; +} + +extendPrototype([DynamicPropertyContainer], SVGFillStyleData); + +function SVGNoStyleData(elem, data, styleOb) { + this.initDynamicPropertyContainer(elem); + this.getValue = this.iterateDynamicProperties; + this.style = styleOb; +} + +extendPrototype([DynamicPropertyContainer], SVGNoStyleData); + +function GradientProperty(elem, data, container) { + this.data = data; + this.c = createTypedArray('uint8c', data.p * 4); + var cLength = data.k.k[0].s ? (data.k.k[0].s.length - data.p * 4) : data.k.k.length - data.p * 4; + this.o = createTypedArray('float32', cLength); + this._cmdf = false; + this._omdf = false; + this._collapsable = this.checkCollapsable(); + this._hasOpacity = cLength; + this.initDynamicPropertyContainer(container); + this.prop = PropertyFactory.getProp(elem, data.k, 1, null, this); + this.k = this.prop.k; + this.getValue(true); +} + +GradientProperty.prototype.comparePoints = function (values, points) { + var i = 0; + var len = this.o.length / 2; + var diff; + while (i < len) { + diff = Math.abs(values[i * 4] - values[points * 4 + i * 2]); + if (diff > 0.01) { + return false; + } + i += 1; + } + return true; +}; + +GradientProperty.prototype.checkCollapsable = function () { + if (this.o.length / 2 !== this.c.length / 4) { + return false; + } + if (this.data.k.k[0].s) { + var i = 0; + var len = this.data.k.k.length; + while (i < len) { + if (!this.comparePoints(this.data.k.k[i].s, this.data.p)) { + return false; + } + i += 1; + } + } else if (!this.comparePoints(this.data.k.k, this.data.p)) { + return false; + } + return true; +}; + +GradientProperty.prototype.getValue = function (forceRender) { + this.prop.getValue(); + this._mdf = false; + this._cmdf = false; + this._omdf = false; + if (this.prop._mdf || forceRender) { + var i; + var len = this.data.p * 4; + var mult; + var val; + for (i = 0; i < len; i += 1) { + mult = i % 4 === 0 ? 100 : 255; + val = Math.round(this.prop.v[i] * mult); + if (this.c[i] !== val) { + this.c[i] = val; + this._cmdf = !forceRender; + } + } + if (this.o.length) { + len = this.prop.v.length; + for (i = this.data.p * 4; i < len; i += 1) { + mult = i % 2 === 0 ? 100 : 1; + val = i % 2 === 0 ? Math.round(this.prop.v[i] * 100) : this.prop.v[i]; + if (this.o[i - this.data.p * 4] !== val) { + this.o[i - this.data.p * 4] = val; + this._omdf = !forceRender; + } + } + } + this._mdf = !forceRender; + } +}; + +extendPrototype([DynamicPropertyContainer], GradientProperty); + +function SVGGradientFillStyleData(elem, data, styleOb) { + this.initDynamicPropertyContainer(elem); + this.getValue = this.iterateDynamicProperties; + this.initGradientData(elem, data, styleOb); +} + +SVGGradientFillStyleData.prototype.initGradientData = function (elem, data, styleOb) { + this.o = PropertyFactory.getProp(elem, data.o, 0, 0.01, this); + this.s = PropertyFactory.getProp(elem, data.s, 1, null, this); + this.e = PropertyFactory.getProp(elem, data.e, 1, null, this); + this.h = PropertyFactory.getProp(elem, data.h || { k: 0 }, 0, 0.01, this); + this.a = PropertyFactory.getProp(elem, data.a || { k: 0 }, 0, degToRads, this); + this.g = new GradientProperty(elem, data.g, this); + this.style = styleOb; + this.stops = []; + this.setGradientData(styleOb.pElem, data); + this.setGradientOpacity(data, styleOb); + this._isAnimated = !!this._isAnimated; +}; + +SVGGradientFillStyleData.prototype.setGradientData = function (pathElement, data) { + var gradientId = createElementID(); + var gfill = createNS(data.t === 1 ? 'linearGradient' : 'radialGradient'); + gfill.setAttribute('id', gradientId); + gfill.setAttribute('spreadMethod', 'pad'); + gfill.setAttribute('gradientUnits', 'userSpaceOnUse'); + var stops = []; + var stop; + var j; + var jLen; + jLen = data.g.p * 4; + for (j = 0; j < jLen; j += 4) { + stop = createNS('stop'); + gfill.appendChild(stop); + stops.push(stop); + } + pathElement.setAttribute(data.ty === 'gf' ? 'fill' : 'stroke', 'url(' + getLocationHref() + '#' + gradientId + ')'); + this.gf = gfill; + this.cst = stops; +}; + +SVGGradientFillStyleData.prototype.setGradientOpacity = function (data, styleOb) { + if (this.g._hasOpacity && !this.g._collapsable) { + var stop; + var j; + var jLen; + var mask = createNS('mask'); + var maskElement = createNS('path'); + mask.appendChild(maskElement); + var opacityId = createElementID(); + var maskId = createElementID(); + mask.setAttribute('id', maskId); + var opFill = createNS(data.t === 1 ? 'linearGradient' : 'radialGradient'); + opFill.setAttribute('id', opacityId); + opFill.setAttribute('spreadMethod', 'pad'); + opFill.setAttribute('gradientUnits', 'userSpaceOnUse'); + jLen = data.g.k.k[0].s ? data.g.k.k[0].s.length : data.g.k.k.length; + var stops = this.stops; + for (j = data.g.p * 4; j < jLen; j += 2) { + stop = createNS('stop'); + stop.setAttribute('stop-color', 'rgb(255,255,255)'); + opFill.appendChild(stop); + stops.push(stop); + } + maskElement.setAttribute(data.ty === 'gf' ? 'fill' : 'stroke', 'url(' + getLocationHref() + '#' + opacityId + ')'); + if (data.ty === 'gs') { + maskElement.setAttribute('stroke-linecap', lineCapEnum[data.lc || 2]); + maskElement.setAttribute('stroke-linejoin', lineJoinEnum[data.lj || 2]); + if (data.lj === 1) { + maskElement.setAttribute('stroke-miterlimit', data.ml); + } + } + this.of = opFill; + this.ms = mask; + this.ost = stops; + this.maskId = maskId; + styleOb.msElem = maskElement; + } +}; + +extendPrototype([DynamicPropertyContainer], SVGGradientFillStyleData); + +function SVGGradientStrokeStyleData(elem, data, styleOb) { + this.initDynamicPropertyContainer(elem); + this.getValue = this.iterateDynamicProperties; + this.w = PropertyFactory.getProp(elem, data.w, 0, null, this); + this.d = new DashProperty(elem, data.d || {}, 'svg', this); + this.initGradientData(elem, data, styleOb); + this._isAnimated = !!this._isAnimated; +} + +extendPrototype([SVGGradientFillStyleData, DynamicPropertyContainer], SVGGradientStrokeStyleData); + +function ShapeGroupData() { + this.it = []; + this.prevViewData = []; + this.gr = createNS('g'); +} + +function SVGTransformData(mProps, op, container) { + this.transform = { + mProps: mProps, + op: op, + container: container, + }; + this.elements = []; + this._isAnimated = this.transform.mProps.dynamicProperties.length || this.transform.op.effectsSequence.length; +} + +const buildShapeString = function (pathNodes, length, closed, mat) { + if (length === 0) { + return ''; + } + var _o = pathNodes.o; + var _i = pathNodes.i; + var _v = pathNodes.v; + var i; + var shapeString = ' M' + mat.applyToPointStringified(_v[0][0], _v[0][1]); + for (i = 1; i < length; i += 1) { + shapeString += ' C' + mat.applyToPointStringified(_o[i - 1][0], _o[i - 1][1]) + ' ' + mat.applyToPointStringified(_i[i][0], _i[i][1]) + ' ' + mat.applyToPointStringified(_v[i][0], _v[i][1]); + } + if (closed && length) { + shapeString += ' C' + mat.applyToPointStringified(_o[i - 1][0], _o[i - 1][1]) + ' ' + mat.applyToPointStringified(_i[0][0], _i[0][1]) + ' ' + mat.applyToPointStringified(_v[0][0], _v[0][1]); + shapeString += 'z'; + } + return shapeString; +}; + +const SVGElementsRenderer = (function () { + var _identityMatrix = new Matrix(); + var _matrixHelper = new Matrix(); + + var ob = { + createRenderFunction: createRenderFunction, + }; + + function createRenderFunction(data) { + switch (data.ty) { + case 'fl': + return renderFill; + case 'gf': + return renderGradient; + case 'gs': + return renderGradientStroke; + case 'st': + return renderStroke; + case 'sh': + case 'el': + case 'rc': + case 'sr': + return renderPath; + case 'tr': + return renderContentTransform; + case 'no': + return renderNoop; + default: + return null; + } + } + + function renderContentTransform(styleData, itemData, isFirstFrame) { + if (isFirstFrame || itemData.transform.op._mdf) { + itemData.transform.container.setAttribute('opacity', itemData.transform.op.v); + } + if (isFirstFrame || itemData.transform.mProps._mdf) { + itemData.transform.container.setAttribute('transform', itemData.transform.mProps.v.to2dCSS()); + } + } + + function renderNoop() { + + } + + function renderPath(styleData, itemData, isFirstFrame) { + var j; + var jLen; + var pathStringTransformed; + var redraw; + var pathNodes; + var l; + var lLen = itemData.styles.length; + var lvl = itemData.lvl; + var paths; + var mat; + var props; + var iterations; + var k; + for (l = 0; l < lLen; l += 1) { + redraw = itemData.sh._mdf || isFirstFrame; + if (itemData.styles[l].lvl < lvl) { + mat = _matrixHelper.reset(); + iterations = lvl - itemData.styles[l].lvl; + k = itemData.transformers.length - 1; + while (!redraw && iterations > 0) { + redraw = itemData.transformers[k].mProps._mdf || redraw; + iterations -= 1; + k -= 1; + } + if (redraw) { + iterations = lvl - itemData.styles[l].lvl; + k = itemData.transformers.length - 1; + while (iterations > 0) { + props = itemData.transformers[k].mProps.v.props; + mat.transform(props[0], props[1], props[2], props[3], props[4], props[5], props[6], props[7], props[8], props[9], props[10], props[11], props[12], props[13], props[14], props[15]); + iterations -= 1; + k -= 1; + } + } + } else { + mat = _identityMatrix; + } + paths = itemData.sh.paths; + jLen = paths._length; + if (redraw) { + pathStringTransformed = ''; + for (j = 0; j < jLen; j += 1) { + pathNodes = paths.shapes[j]; + if (pathNodes && pathNodes._length) { + pathStringTransformed += buildShapeString(pathNodes, pathNodes._length, pathNodes.c, mat); + } + } + itemData.caches[l] = pathStringTransformed; + } else { + pathStringTransformed = itemData.caches[l]; + } + itemData.styles[l].d += styleData.hd === true ? '' : pathStringTransformed; + itemData.styles[l]._mdf = redraw || itemData.styles[l]._mdf; + } + } + + function renderFill(styleData, itemData, isFirstFrame) { + var styleElem = itemData.style; + + if (itemData.c._mdf || isFirstFrame) { + styleElem.pElem.setAttribute('fill', 'rgb(' + bmFloor(itemData.c.v[0]) + ',' + bmFloor(itemData.c.v[1]) + ',' + bmFloor(itemData.c.v[2]) + ')'); + } + if (itemData.o._mdf || isFirstFrame) { + styleElem.pElem.setAttribute('fill-opacity', itemData.o.v); + } + } + + function renderGradientStroke(styleData, itemData, isFirstFrame) { + renderGradient(styleData, itemData, isFirstFrame); + renderStroke(styleData, itemData, isFirstFrame); + } + + function renderGradient(styleData, itemData, isFirstFrame) { + var gfill = itemData.gf; + var hasOpacity = itemData.g._hasOpacity; + var pt1 = itemData.s.v; + var pt2 = itemData.e.v; + + if (itemData.o._mdf || isFirstFrame) { + var attr = styleData.ty === 'gf' ? 'fill-opacity' : 'stroke-opacity'; + itemData.style.pElem.setAttribute(attr, itemData.o.v); + } + if (itemData.s._mdf || isFirstFrame) { + var attr1 = styleData.t === 1 ? 'x1' : 'cx'; + var attr2 = attr1 === 'x1' ? 'y1' : 'cy'; + gfill.setAttribute(attr1, pt1[0]); + gfill.setAttribute(attr2, pt1[1]); + if (hasOpacity && !itemData.g._collapsable) { + itemData.of.setAttribute(attr1, pt1[0]); + itemData.of.setAttribute(attr2, pt1[1]); + } + } + var stops; + var i; + var len; + var stop; + if (itemData.g._cmdf || isFirstFrame) { + stops = itemData.cst; + var cValues = itemData.g.c; + len = stops.length; + for (i = 0; i < len; i += 1) { + stop = stops[i]; + stop.setAttribute('offset', cValues[i * 4] + '%'); + stop.setAttribute('stop-color', 'rgb(' + cValues[i * 4 + 1] + ',' + cValues[i * 4 + 2] + ',' + cValues[i * 4 + 3] + ')'); + } + } + if (hasOpacity && (itemData.g._omdf || isFirstFrame)) { + var oValues = itemData.g.o; + if (itemData.g._collapsable) { + stops = itemData.cst; + } else { + stops = itemData.ost; + } + len = stops.length; + for (i = 0; i < len; i += 1) { + stop = stops[i]; + if (!itemData.g._collapsable) { + stop.setAttribute('offset', oValues[i * 2] + '%'); + } + stop.setAttribute('stop-opacity', oValues[i * 2 + 1]); + } + } + if (styleData.t === 1) { + if (itemData.e._mdf || isFirstFrame) { + gfill.setAttribute('x2', pt2[0]); + gfill.setAttribute('y2', pt2[1]); + if (hasOpacity && !itemData.g._collapsable) { + itemData.of.setAttribute('x2', pt2[0]); + itemData.of.setAttribute('y2', pt2[1]); + } + } + } else { + var rad; + if (itemData.s._mdf || itemData.e._mdf || isFirstFrame) { + rad = Math.sqrt(Math.pow(pt1[0] - pt2[0], 2) + Math.pow(pt1[1] - pt2[1], 2)); + gfill.setAttribute('r', rad); + if (hasOpacity && !itemData.g._collapsable) { + itemData.of.setAttribute('r', rad); + } + } + if (itemData.e._mdf || itemData.h._mdf || itemData.a._mdf || isFirstFrame) { + if (!rad) { + rad = Math.sqrt(Math.pow(pt1[0] - pt2[0], 2) + Math.pow(pt1[1] - pt2[1], 2)); + } + var ang = Math.atan2(pt2[1] - pt1[1], pt2[0] - pt1[0]); + + var percent = itemData.h.v; + if (percent >= 1) { + percent = 0.99; + } else if (percent <= -1) { + percent = -0.99; + } + var dist = rad * percent; + var x = Math.cos(ang + itemData.a.v) * dist + pt1[0]; + var y = Math.sin(ang + itemData.a.v) * dist + pt1[1]; + gfill.setAttribute('fx', x); + gfill.setAttribute('fy', y); + if (hasOpacity && !itemData.g._collapsable) { + itemData.of.setAttribute('fx', x); + itemData.of.setAttribute('fy', y); + } + } + // gfill.setAttribute('fy','200'); + } + } + + function renderStroke(styleData, itemData, isFirstFrame) { + var styleElem = itemData.style; + var d = itemData.d; + if (d && (d._mdf || isFirstFrame) && d.dashStr) { + styleElem.pElem.setAttribute('stroke-dasharray', d.dashStr); + styleElem.pElem.setAttribute('stroke-dashoffset', d.dashoffset[0]); + } + if (itemData.c && (itemData.c._mdf || isFirstFrame)) { + styleElem.pElem.setAttribute('stroke', 'rgb(' + bmFloor(itemData.c.v[0]) + ',' + bmFloor(itemData.c.v[1]) + ',' + bmFloor(itemData.c.v[2]) + ')'); + } + if (itemData.o._mdf || isFirstFrame) { + styleElem.pElem.setAttribute('stroke-opacity', itemData.o.v); + } + if (itemData.w._mdf || isFirstFrame) { + styleElem.pElem.setAttribute('stroke-width', itemData.w.v); + if (styleElem.msElem) { + styleElem.msElem.setAttribute('stroke-width', itemData.w.v); + } + } + } + + return ob; +}()); + +function SVGShapeElement(data, globalData, comp) { + // List of drawable elements + this.shapes = []; + // Full shape data + this.shapesData = data.shapes; + // List of styles that will be applied to shapes + this.stylesList = []; + // List of modifiers that will be applied to shapes + this.shapeModifiers = []; + // List of items in shape tree + this.itemsData = []; + // List of items in previous shape tree + this.processedElements = []; + // List of animated components + this.animatedContents = []; + this.initElement(data, globalData, comp); + // Moving any property that doesn't get too much access after initialization because of v8 way of handling more than 10 properties. + // List of elements that have been created + this.prevViewData = []; + // Moving any property that doesn't get too much access after initialization because of v8 way of handling more than 10 properties. +} + +extendPrototype([BaseElement, TransformElement, SVGBaseElement, IShapeElement, HierarchyElement, FrameElement, RenderableDOMElement], SVGShapeElement); + +SVGShapeElement.prototype.initSecondaryElement = function () { +}; + +SVGShapeElement.prototype.identityMatrix = new Matrix(); + +SVGShapeElement.prototype.buildExpressionInterface = function () {}; + +SVGShapeElement.prototype.createContent = function () { + this.searchShapes(this.shapesData, this.itemsData, this.prevViewData, this.layerElement, 0, [], true); + this.filterUniqueShapes(); +}; + +/* +This method searches for multiple shapes that affect a single element and one of them is animated +*/ +SVGShapeElement.prototype.filterUniqueShapes = function () { + var i; + var len = this.shapes.length; + var shape; + var j; + var jLen = this.stylesList.length; + var style; + var tempShapes = []; + var areAnimated = false; + for (j = 0; j < jLen; j += 1) { + style = this.stylesList[j]; + areAnimated = false; + tempShapes.length = 0; + for (i = 0; i < len; i += 1) { + shape = this.shapes[i]; + if (shape.styles.indexOf(style) !== -1) { + tempShapes.push(shape); + areAnimated = shape._isAnimated || areAnimated; + } + } + if (tempShapes.length > 1 && areAnimated) { + this.setShapesAsAnimated(tempShapes); + } + } +}; + +SVGShapeElement.prototype.setShapesAsAnimated = function (shapes) { + var i; + var len = shapes.length; + for (i = 0; i < len; i += 1) { + shapes[i].setAsAnimated(); + } +}; + +SVGShapeElement.prototype.createStyleElement = function (data, level) { + // TODO: prevent drawing of hidden styles + var elementData; + var styleOb = new SVGStyleData(data, level); + + var pathElement = styleOb.pElem; + if (data.ty === 'st') { + elementData = new SVGStrokeStyleData(this, data, styleOb); + } else if (data.ty === 'fl') { + elementData = new SVGFillStyleData(this, data, styleOb); + } else if (data.ty === 'gf' || data.ty === 'gs') { + var GradientConstructor = data.ty === 'gf' ? SVGGradientFillStyleData : SVGGradientStrokeStyleData; + elementData = new GradientConstructor(this, data, styleOb); + this.globalData.defs.appendChild(elementData.gf); + if (elementData.maskId) { + this.globalData.defs.appendChild(elementData.ms); + this.globalData.defs.appendChild(elementData.of); + pathElement.setAttribute('mask', 'url(' + getLocationHref() + '#' + elementData.maskId + ')'); + } + } else if (data.ty === 'no') { + elementData = new SVGNoStyleData(this, data, styleOb); + } + + if (data.ty === 'st' || data.ty === 'gs') { + pathElement.setAttribute('stroke-linecap', lineCapEnum[data.lc || 2]); + pathElement.setAttribute('stroke-linejoin', lineJoinEnum[data.lj || 2]); + pathElement.setAttribute('fill-opacity', '0'); + if (data.lj === 1) { + pathElement.setAttribute('stroke-miterlimit', data.ml); + } + } + + if (data.r === 2) { + pathElement.setAttribute('fill-rule', 'evenodd'); + } + + if (data.ln) { + pathElement.setAttribute('id', data.ln); + } + if (data.cl) { + pathElement.setAttribute('class', data.cl); + } + if (data.bm) { + pathElement.style['mix-blend-mode'] = getBlendMode(data.bm); + } + this.stylesList.push(styleOb); + this.addToAnimatedContents(data, elementData); + return elementData; +}; + +SVGShapeElement.prototype.createGroupElement = function (data) { + var elementData = new ShapeGroupData(); + if (data.ln) { + elementData.gr.setAttribute('id', data.ln); + } + if (data.cl) { + elementData.gr.setAttribute('class', data.cl); + } + if (data.bm) { + elementData.gr.style['mix-blend-mode'] = getBlendMode(data.bm); + } + return elementData; +}; + +SVGShapeElement.prototype.createTransformElement = function (data, container) { + var transformProperty = TransformPropertyFactory.getTransformProperty(this, data, this); + var elementData = new SVGTransformData(transformProperty, transformProperty.o, container); + this.addToAnimatedContents(data, elementData); + return elementData; +}; + +SVGShapeElement.prototype.createShapeElement = function (data, ownTransformers, level) { + var ty = 4; + if (data.ty === 'rc') { + ty = 5; + } else if (data.ty === 'el') { + ty = 6; + } else if (data.ty === 'sr') { + ty = 7; + } + var shapeProperty = ShapePropertyFactory.getShapeProp(this, data, ty, this); + var elementData = new SVGShapeData(ownTransformers, level, shapeProperty); + this.shapes.push(elementData); + this.addShapeToModifiers(elementData); + this.addToAnimatedContents(data, elementData); + return elementData; +}; + +SVGShapeElement.prototype.addToAnimatedContents = function (data, element) { + var i = 0; + var len = this.animatedContents.length; + while (i < len) { + if (this.animatedContents[i].element === element) { + return; + } + i += 1; + } + this.animatedContents.push({ + fn: SVGElementsRenderer.createRenderFunction(data), + element: element, + data: data, + }); +}; + +SVGShapeElement.prototype.setElementStyles = function (elementData) { + var arr = elementData.styles; + var j; + var jLen = this.stylesList.length; + for (j = 0; j < jLen; j += 1) { + if (!this.stylesList[j].closed) { + arr.push(this.stylesList[j]); + } + } +}; + +SVGShapeElement.prototype.reloadShapes = function () { + this._isFirstFrame = true; + var i; + var len = this.itemsData.length; + for (i = 0; i < len; i += 1) { + this.prevViewData[i] = this.itemsData[i]; + } + this.searchShapes(this.shapesData, this.itemsData, this.prevViewData, this.layerElement, 0, [], true); + this.filterUniqueShapes(); + len = this.dynamicProperties.length; + for (i = 0; i < len; i += 1) { + this.dynamicProperties[i].getValue(); + } + this.renderModifiers(); +}; + +SVGShapeElement.prototype.searchShapes = function (arr, itemsData, prevViewData, container, level, transformers, render) { + var ownTransformers = [].concat(transformers); + var i; + var len = arr.length - 1; + var j; + var jLen; + var ownStyles = []; + var ownModifiers = []; + var currentTransform; + var modifier; + var processedPos; + for (i = len; i >= 0; i -= 1) { + processedPos = this.searchProcessedElement(arr[i]); + if (!processedPos) { + arr[i]._render = render; + } else { + itemsData[i] = prevViewData[processedPos - 1]; + } + if (arr[i].ty === 'fl' || arr[i].ty === 'st' || arr[i].ty === 'gf' || arr[i].ty === 'gs' || arr[i].ty === 'no') { + if (!processedPos) { + itemsData[i] = this.createStyleElement(arr[i], level); + } else { + itemsData[i].style.closed = false; + } + if (arr[i]._render) { + if (itemsData[i].style.pElem.parentNode !== container) { + container.appendChild(itemsData[i].style.pElem); + } + } + ownStyles.push(itemsData[i].style); + } else if (arr[i].ty === 'gr') { + if (!processedPos) { + itemsData[i] = this.createGroupElement(arr[i]); + } else { + jLen = itemsData[i].it.length; + for (j = 0; j < jLen; j += 1) { + itemsData[i].prevViewData[j] = itemsData[i].it[j]; + } + } + this.searchShapes(arr[i].it, itemsData[i].it, itemsData[i].prevViewData, itemsData[i].gr, level + 1, ownTransformers, render); + if (arr[i]._render) { + if (itemsData[i].gr.parentNode !== container) { + container.appendChild(itemsData[i].gr); + } + } + } else if (arr[i].ty === 'tr') { + if (!processedPos) { + itemsData[i] = this.createTransformElement(arr[i], container); + } + currentTransform = itemsData[i].transform; + ownTransformers.push(currentTransform); + } else if (arr[i].ty === 'sh' || arr[i].ty === 'rc' || arr[i].ty === 'el' || arr[i].ty === 'sr') { + if (!processedPos) { + itemsData[i] = this.createShapeElement(arr[i], ownTransformers, level); + } + this.setElementStyles(itemsData[i]); + } else if (arr[i].ty === 'tm' || arr[i].ty === 'rd' || arr[i].ty === 'ms' || arr[i].ty === 'pb') { + if (!processedPos) { + modifier = ShapeModifiers.getModifier(arr[i].ty); + modifier.init(this, arr[i]); + itemsData[i] = modifier; + this.shapeModifiers.push(modifier); + } else { + modifier = itemsData[i]; + modifier.closed = false; + } + ownModifiers.push(modifier); + } else if (arr[i].ty === 'rp') { + if (!processedPos) { + modifier = ShapeModifiers.getModifier(arr[i].ty); + itemsData[i] = modifier; + modifier.init(this, arr, i, itemsData); + this.shapeModifiers.push(modifier); + render = false; + } else { + modifier = itemsData[i]; + modifier.closed = true; + } + ownModifiers.push(modifier); + } + this.addProcessedElement(arr[i], i + 1); + } + len = ownStyles.length; + for (i = 0; i < len; i += 1) { + ownStyles[i].closed = true; + } + len = ownModifiers.length; + for (i = 0; i < len; i += 1) { + ownModifiers[i].closed = true; + } +}; + +SVGShapeElement.prototype.renderInnerContent = function () { + this.renderModifiers(); + var i; + var len = this.stylesList.length; + for (i = 0; i < len; i += 1) { + this.stylesList[i].reset(); + } + this.renderShape(); + for (i = 0; i < len; i += 1) { + if (this.stylesList[i]._mdf || this._isFirstFrame) { + if (this.stylesList[i].msElem) { + this.stylesList[i].msElem.setAttribute('d', this.stylesList[i].d); + // Adding M0 0 fixes same mask bug on all browsers + this.stylesList[i].d = 'M0 0' + this.stylesList[i].d; + } + this.stylesList[i].pElem.setAttribute('d', this.stylesList[i].d || 'M0 0'); + } + } +}; + +SVGShapeElement.prototype.renderShape = function () { + var i; + var len = this.animatedContents.length; + var animatedContent; + for (i = 0; i < len; i += 1) { + animatedContent = this.animatedContents[i]; + if ((this._isFirstFrame || animatedContent.element._isAnimated) && animatedContent.data !== true) { + animatedContent.fn(animatedContent.data, animatedContent.element, this._isFirstFrame); + } + } +}; + +SVGShapeElement.prototype.destroy = function () { + this.destroyBaseElement(); + this.shapesData = null; + this.itemsData = null; +}; + +function LetterProps(o, sw, sc, fc, m, p) { + this.o = o; + this.sw = sw; + this.sc = sc; + this.fc = fc; + this.m = m; + this.p = p; + this._mdf = { + o: true, + sw: !!sw, + sc: !!sc, + fc: !!fc, + m: true, + p: true, + }; +} + +LetterProps.prototype.update = function (o, sw, sc, fc, m, p) { + this._mdf.o = false; + this._mdf.sw = false; + this._mdf.sc = false; + this._mdf.fc = false; + this._mdf.m = false; + this._mdf.p = false; + var updated = false; + + if (this.o !== o) { + this.o = o; + this._mdf.o = true; + updated = true; + } + if (this.sw !== sw) { + this.sw = sw; + this._mdf.sw = true; + updated = true; + } + if (this.sc !== sc) { + this.sc = sc; + this._mdf.sc = true; + updated = true; + } + if (this.fc !== fc) { + this.fc = fc; + this._mdf.fc = true; + updated = true; + } + if (this.m !== m) { + this.m = m; + this._mdf.m = true; + updated = true; + } + if (p.length && (this.p[0] !== p[0] || this.p[1] !== p[1] || this.p[4] !== p[4] || this.p[5] !== p[5] || this.p[12] !== p[12] || this.p[13] !== p[13])) { + this.p = p; + this._mdf.p = true; + updated = true; + } + return updated; +}; + +function TextProperty(elem, data) { + this._frameId = initialDefaultFrame; + this.pv = ''; + this.v = ''; + this.kf = false; + this._isFirstFrame = true; + this._mdf = false; + this.data = data; + this.elem = elem; + this.comp = this.elem.comp; + this.keysIndex = 0; + this.canResize = false; + this.minimumFontSize = 1; + this.effectsSequence = []; + this.currentData = { + ascent: 0, + boxWidth: this.defaultBoxWidth, + f: '', + fStyle: '', + fWeight: '', + fc: '', + j: '', + justifyOffset: '', + l: [], + lh: 0, + lineWidths: [], + ls: '', + of: '', + s: '', + sc: '', + sw: 0, + t: 0, + tr: 0, + sz: 0, + ps: null, + fillColorAnim: false, + strokeColorAnim: false, + strokeWidthAnim: false, + yOffset: 0, + finalSize: 0, + finalText: [], + finalLineHeight: 0, + __complete: false, + + }; + this.copyData(this.currentData, this.data.d.k[0].s); + + if (!this.searchProperty()) { + this.completeTextData(this.currentData); + } +} + +TextProperty.prototype.defaultBoxWidth = [0, 0]; + +TextProperty.prototype.copyData = function (obj, data) { + for (var s in data) { + if (Object.prototype.hasOwnProperty.call(data, s)) { + obj[s] = data[s]; + } + } + return obj; +}; + +TextProperty.prototype.setCurrentData = function (data) { + if (!data.__complete) { + this.completeTextData(data); + } + this.currentData = data; + this.currentData.boxWidth = this.currentData.boxWidth || this.defaultBoxWidth; + this._mdf = true; +}; + +TextProperty.prototype.searchProperty = function () { + return this.searchKeyframes(); +}; + +TextProperty.prototype.searchKeyframes = function () { + this.kf = this.data.d.k.length > 1; + if (this.kf) { + this.addEffect(this.getKeyframeValue.bind(this)); + } + return this.kf; +}; + +TextProperty.prototype.addEffect = function (effectFunction) { + this.effectsSequence.push(effectFunction); + this.elem.addDynamicProperty(this); +}; + +TextProperty.prototype.getValue = function (_finalValue) { + if ((this.elem.globalData.frameId === this.frameId || !this.effectsSequence.length) && !_finalValue) { + return; + } + this.currentData.t = this.data.d.k[this.keysIndex].s.t; + var currentValue = this.currentData; + var currentIndex = this.keysIndex; + if (this.lock) { + this.setCurrentData(this.currentData); + return; + } + this.lock = true; + this._mdf = false; + var i; var + len = this.effectsSequence.length; + var finalValue = _finalValue || this.data.d.k[this.keysIndex].s; + for (i = 0; i < len; i += 1) { + // Checking if index changed to prevent creating a new object every time the expression updates. + if (currentIndex !== this.keysIndex) { + finalValue = this.effectsSequence[i](finalValue, finalValue.t); + } else { + finalValue = this.effectsSequence[i](this.currentData, finalValue.t); + } + } + if (currentValue !== finalValue) { + this.setCurrentData(finalValue); + } + this.v = this.currentData; + this.pv = this.v; + this.lock = false; + this.frameId = this.elem.globalData.frameId; +}; + +TextProperty.prototype.getKeyframeValue = function () { + var textKeys = this.data.d.k; + var frameNum = this.elem.comp.renderedFrame; + var i = 0; var + len = textKeys.length; + while (i <= len - 1) { + if (i === len - 1 || textKeys[i + 1].t > frameNum) { + break; + } + i += 1; + } + if (this.keysIndex !== i) { + this.keysIndex = i; + } + return this.data.d.k[this.keysIndex].s; +}; + +TextProperty.prototype.buildFinalText = function (text) { + var charactersArray = []; + var i = 0; + var len = text.length; + var charCode; + var secondCharCode; + var shouldCombine = false; + while (i < len) { + charCode = text.charCodeAt(i); + if (FontManager.isCombinedCharacter(charCode)) { + charactersArray[charactersArray.length - 1] += text.charAt(i); + } else if (charCode >= 0xD800 && charCode <= 0xDBFF) { + secondCharCode = text.charCodeAt(i + 1); + if (secondCharCode >= 0xDC00 && secondCharCode <= 0xDFFF) { + if (shouldCombine || FontManager.isModifier(charCode, secondCharCode)) { + charactersArray[charactersArray.length - 1] += text.substr(i, 2); + shouldCombine = false; + } else { + charactersArray.push(text.substr(i, 2)); + } + i += 1; + } else { + charactersArray.push(text.charAt(i)); + } + } else if (charCode > 0xDBFF) { + secondCharCode = text.charCodeAt(i + 1); + if (FontManager.isZeroWidthJoiner(charCode, secondCharCode)) { + shouldCombine = true; + charactersArray[charactersArray.length - 1] += text.substr(i, 2); + i += 1; + } else { + charactersArray.push(text.charAt(i)); + } + } else if (FontManager.isZeroWidthJoiner(charCode)) { + charactersArray[charactersArray.length - 1] += text.charAt(i); + shouldCombine = true; + } else { + charactersArray.push(text.charAt(i)); + } + i += 1; + } + return charactersArray; +}; + +TextProperty.prototype.completeTextData = function (documentData) { + documentData.__complete = true; + var fontManager = this.elem.globalData.fontManager; + var data = this.data; + var letters = []; + var i; var + len; + var newLineFlag; var index = 0; var + val; + var anchorGrouping = data.m.g; + var currentSize = 0; var currentPos = 0; var currentLine = 0; var + lineWidths = []; + var lineWidth = 0; + var maxLineWidth = 0; + var j; var + jLen; + var fontData = fontManager.getFontByName(documentData.f); + var charData; var + cLength = 0; + + var fontProps = getFontProperties(fontData); + documentData.fWeight = fontProps.weight; + documentData.fStyle = fontProps.style; + documentData.finalSize = documentData.s; + documentData.finalText = this.buildFinalText(documentData.t); + len = documentData.finalText.length; + documentData.finalLineHeight = documentData.lh; + var trackingOffset = (documentData.tr / 1000) * documentData.finalSize; + var charCode; + if (documentData.sz) { + var flag = true; + var boxWidth = documentData.sz[0]; + var boxHeight = documentData.sz[1]; + var currentHeight; var + finalText; + while (flag) { + finalText = this.buildFinalText(documentData.t); + currentHeight = 0; + lineWidth = 0; + len = finalText.length; + trackingOffset = (documentData.tr / 1000) * documentData.finalSize; + var lastSpaceIndex = -1; + for (i = 0; i < len; i += 1) { + charCode = finalText[i].charCodeAt(0); + newLineFlag = false; + if (finalText[i] === ' ') { + lastSpaceIndex = i; + } else if (charCode === 13 || charCode === 3) { + lineWidth = 0; + newLineFlag = true; + currentHeight += documentData.finalLineHeight || documentData.finalSize * 1.2; + } + if (fontManager.chars) { + charData = fontManager.getCharData(finalText[i], fontData.fStyle, fontData.fFamily); + cLength = newLineFlag ? 0 : (charData.w * documentData.finalSize) / 100; + } else { + // tCanvasHelper.font = documentData.s + 'px '+ fontData.fFamily; + cLength = fontManager.measureText(finalText[i], documentData.f, documentData.finalSize); + } + if (lineWidth + cLength > boxWidth && finalText[i] !== ' ') { + if (lastSpaceIndex === -1) { + len += 1; + } else { + i = lastSpaceIndex; + } + currentHeight += documentData.finalLineHeight || documentData.finalSize * 1.2; + finalText.splice(i, lastSpaceIndex === i ? 1 : 0, '\r'); + // finalText = finalText.substr(0,i) + "\r" + finalText.substr(i === lastSpaceIndex ? i + 1 : i); + lastSpaceIndex = -1; + lineWidth = 0; + } else { + lineWidth += cLength; + lineWidth += trackingOffset; + } + } + currentHeight += (fontData.ascent * documentData.finalSize) / 100; + if (this.canResize && documentData.finalSize > this.minimumFontSize && boxHeight < currentHeight) { + documentData.finalSize -= 1; + documentData.finalLineHeight = (documentData.finalSize * documentData.lh) / documentData.s; + } else { + documentData.finalText = finalText; + len = documentData.finalText.length; + flag = false; + } + } + } + lineWidth = -trackingOffset; + cLength = 0; + var uncollapsedSpaces = 0; + var currentChar; + for (i = 0; i < len; i += 1) { + newLineFlag = false; + currentChar = documentData.finalText[i]; + charCode = currentChar.charCodeAt(0); + if (charCode === 13 || charCode === 3) { + uncollapsedSpaces = 0; + lineWidths.push(lineWidth); + maxLineWidth = lineWidth > maxLineWidth ? lineWidth : maxLineWidth; + lineWidth = -2 * trackingOffset; + val = ''; + newLineFlag = true; + currentLine += 1; + } else { + val = currentChar; + } + if (fontManager.chars) { + charData = fontManager.getCharData(currentChar, fontData.fStyle, fontManager.getFontByName(documentData.f).fFamily); + cLength = newLineFlag ? 0 : (charData.w * documentData.finalSize) / 100; + } else { + // var charWidth = fontManager.measureText(val, documentData.f, documentData.finalSize); + // tCanvasHelper.font = documentData.finalSize + 'px '+ fontManager.getFontByName(documentData.f).fFamily; + cLength = fontManager.measureText(val, documentData.f, documentData.finalSize); + } + + // + if (currentChar === ' ') { + uncollapsedSpaces += cLength + trackingOffset; + } else { + lineWidth += cLength + trackingOffset + uncollapsedSpaces; + uncollapsedSpaces = 0; + } + letters.push({ + l: cLength, an: cLength, add: currentSize, n: newLineFlag, anIndexes: [], val: val, line: currentLine, animatorJustifyOffset: 0, + }); + if (anchorGrouping == 2) { // eslint-disable-line eqeqeq + currentSize += cLength; + if (val === '' || val === ' ' || i === len - 1) { + if (val === '' || val === ' ') { + currentSize -= cLength; + } + while (currentPos <= i) { + letters[currentPos].an = currentSize; + letters[currentPos].ind = index; + letters[currentPos].extra = cLength; + currentPos += 1; + } + index += 1; + currentSize = 0; + } + } else if (anchorGrouping == 3) { // eslint-disable-line eqeqeq + currentSize += cLength; + if (val === '' || i === len - 1) { + if (val === '') { + currentSize -= cLength; + } + while (currentPos <= i) { + letters[currentPos].an = currentSize; + letters[currentPos].ind = index; + letters[currentPos].extra = cLength; + currentPos += 1; + } + currentSize = 0; + index += 1; + } + } else { + letters[index].ind = index; + letters[index].extra = 0; + index += 1; + } + } + documentData.l = letters; + maxLineWidth = lineWidth > maxLineWidth ? lineWidth : maxLineWidth; + lineWidths.push(lineWidth); + if (documentData.sz) { + documentData.boxWidth = documentData.sz[0]; + documentData.justifyOffset = 0; + } else { + documentData.boxWidth = maxLineWidth; + switch (documentData.j) { + case 1: + documentData.justifyOffset = -documentData.boxWidth; + break; + case 2: + documentData.justifyOffset = -documentData.boxWidth / 2; + break; + default: + documentData.justifyOffset = 0; + } + } + documentData.lineWidths = lineWidths; + + var animators = data.a; var animatorData; var + letterData; + jLen = animators.length; + var based; var ind; var + indexes = []; + for (j = 0; j < jLen; j += 1) { + animatorData = animators[j]; + if (animatorData.a.sc) { + documentData.strokeColorAnim = true; + } + if (animatorData.a.sw) { + documentData.strokeWidthAnim = true; + } + if (animatorData.a.fc || animatorData.a.fh || animatorData.a.fs || animatorData.a.fb) { + documentData.fillColorAnim = true; + } + ind = 0; + based = animatorData.s.b; + for (i = 0; i < len; i += 1) { + letterData = letters[i]; + letterData.anIndexes[j] = ind; + if ((based == 1 && letterData.val !== '') || (based == 2 && letterData.val !== '' && letterData.val !== ' ') || (based == 3 && (letterData.n || letterData.val == ' ' || i == len - 1)) || (based == 4 && (letterData.n || i == len - 1))) { // eslint-disable-line eqeqeq + if (animatorData.s.rn === 1) { + indexes.push(ind); + } + ind += 1; + } + } + data.a[j].s.totalChars = ind; + var currentInd = -1; var + newInd; + if (animatorData.s.rn === 1) { + for (i = 0; i < len; i += 1) { + letterData = letters[i]; + if (currentInd != letterData.anIndexes[j]) { // eslint-disable-line eqeqeq + currentInd = letterData.anIndexes[j]; + newInd = indexes.splice(Math.floor(Math.random() * indexes.length), 1)[0]; + } + letterData.anIndexes[j] = newInd; + } + } + } + documentData.yOffset = documentData.finalLineHeight || documentData.finalSize * 1.2; + documentData.ls = documentData.ls || 0; + documentData.ascent = (fontData.ascent * documentData.finalSize) / 100; +}; + +TextProperty.prototype.updateDocumentData = function (newData, index) { + index = index === undefined ? this.keysIndex : index; + var dData = this.copyData({}, this.data.d.k[index].s); + dData = this.copyData(dData, newData); + this.data.d.k[index].s = dData; + this.recalculate(index); + this.elem.addDynamicProperty(this); +}; + +TextProperty.prototype.recalculate = function (index) { + var dData = this.data.d.k[index].s; + dData.__complete = false; + this.keysIndex = 0; + this._isFirstFrame = true; + this.getValue(dData); +}; + +TextProperty.prototype.canResizeFont = function (_canResize) { + this.canResize = _canResize; + this.recalculate(this.keysIndex); + this.elem.addDynamicProperty(this); +}; + +TextProperty.prototype.setMinimumFontSize = function (_fontValue) { + this.minimumFontSize = Math.floor(_fontValue) || 1; + this.recalculate(this.keysIndex); + this.elem.addDynamicProperty(this); +}; + +const TextSelectorProp = (function () { + var max = Math.max; + var min = Math.min; + var floor = Math.floor; + + function TextSelectorPropFactory(elem, data) { + this._currentTextLength = -1; + this.k = false; + this.data = data; + this.elem = elem; + this.comp = elem.comp; + this.finalS = 0; + this.finalE = 0; + this.initDynamicPropertyContainer(elem); + this.s = PropertyFactory.getProp(elem, data.s || { k: 0 }, 0, 0, this); + if ('e' in data) { + this.e = PropertyFactory.getProp(elem, data.e, 0, 0, this); + } else { + this.e = { v: 100 }; + } + this.o = PropertyFactory.getProp(elem, data.o || { k: 0 }, 0, 0, this); + this.xe = PropertyFactory.getProp(elem, data.xe || { k: 0 }, 0, 0, this); + this.ne = PropertyFactory.getProp(elem, data.ne || { k: 0 }, 0, 0, this); + this.sm = PropertyFactory.getProp(elem, data.sm || { k: 100 }, 0, 0, this); + this.a = PropertyFactory.getProp(elem, data.a, 0, 0.01, this); + if (!this.dynamicProperties.length) { + this.getValue(); + } + } + + TextSelectorPropFactory.prototype = { + getMult: function (ind) { + if (this._currentTextLength !== this.elem.textProperty.currentData.l.length) { + this.getValue(); + } + var x1 = 0; + var y1 = 0; + var x2 = 1; + var y2 = 1; + if (this.ne.v > 0) { + x1 = this.ne.v / 100.0; + } else { + y1 = -this.ne.v / 100.0; + } + if (this.xe.v > 0) { + x2 = 1.0 - this.xe.v / 100.0; + } else { + y2 = 1.0 + this.xe.v / 100.0; + } + var easer = BezierFactory.getBezierEasing(x1, y1, x2, y2).get; + + var mult = 0; + var s = this.finalS; + var e = this.finalE; + var type = this.data.sh; + if (type === 2) { + if (e === s) { + mult = ind >= e ? 1 : 0; + } else { + mult = max(0, min(0.5 / (e - s) + (ind - s) / (e - s), 1)); + } + mult = easer(mult); + } else if (type === 3) { + if (e === s) { + mult = ind >= e ? 0 : 1; + } else { + mult = 1 - max(0, min(0.5 / (e - s) + (ind - s) / (e - s), 1)); + } + + mult = easer(mult); + } else if (type === 4) { + if (e === s) { + mult = 0; + } else { + mult = max(0, min(0.5 / (e - s) + (ind - s) / (e - s), 1)); + if (mult < 0.5) { + mult *= 2; + } else { + mult = 1 - 2 * (mult - 0.5); + } + } + mult = easer(mult); + } else if (type === 5) { + if (e === s) { + mult = 0; + } else { + var tot = e - s; + /* ind += 0.5; + mult = -4/(tot*tot)*(ind*ind)+(4/tot)*ind; */ + ind = min(max(0, ind + 0.5 - s), e - s); + var x = -tot / 2 + ind; + var a = tot / 2; + mult = Math.sqrt(1 - (x * x) / (a * a)); + } + mult = easer(mult); + } else if (type === 6) { + if (e === s) { + mult = 0; + } else { + ind = min(max(0, ind + 0.5 - s), e - s); + mult = (1 + (Math.cos((Math.PI + Math.PI * 2 * (ind) / (e - s))))) / 2; // eslint-disable-line + } + mult = easer(mult); + } else { + if (ind >= floor(s)) { + if (ind - s < 0) { + mult = max(0, min(min(e, 1) - (s - ind), 1)); + } else { + mult = max(0, min(e - ind, 1)); + } + } + mult = easer(mult); + } + // Smoothness implementation. + // The smoothness represents a reduced range of the original [0; 1] range. + // if smoothness is 25%, the new range will be [0.375; 0.625] + // Steps are: + // - find the lower value of the new range (threshold) + // - if multiplier is smaller than that value, floor it to 0 + // - if it is larger, + // - subtract the threshold + // - divide it by the smoothness (this will return the range to [0; 1]) + // Note: If it doesn't work on some scenarios, consider applying it before the easer. + if (this.sm.v !== 100) { + var smoothness = this.sm.v * 0.01; + if (smoothness === 0) { + smoothness = 0.00000001; + } + var threshold = 0.5 - smoothness * 0.5; + if (mult < threshold) { + mult = 0; + } else { + mult = (mult - threshold) / smoothness; + if (mult > 1) { + mult = 1; + } + } + } + return mult * this.a.v; + }, + getValue: function (newCharsFlag) { + this.iterateDynamicProperties(); + this._mdf = newCharsFlag || this._mdf; + this._currentTextLength = this.elem.textProperty.currentData.l.length || 0; + if (newCharsFlag && this.data.r === 2) { + this.e.v = this._currentTextLength; + } + var divisor = this.data.r === 2 ? 1 : 100 / this.data.totalChars; + var o = this.o.v / divisor; + var s = this.s.v / divisor + o; + var e = (this.e.v / divisor) + o; + if (s > e) { + var _s = s; + s = e; + e = _s; + } + this.finalS = s; + this.finalE = e; + }, + }; + extendPrototype([DynamicPropertyContainer], TextSelectorPropFactory); + + function getTextSelectorProp(elem, data, arr) { + return new TextSelectorPropFactory(elem, data, arr); + } + + return { + getTextSelectorProp: getTextSelectorProp, + }; +}()); + +function TextAnimatorDataProperty(elem, animatorProps, container) { + var defaultData = { propType: false }; + var getProp = PropertyFactory.getProp; + var textAnimatorAnimatables = animatorProps.a; + this.a = { + r: textAnimatorAnimatables.r ? getProp(elem, textAnimatorAnimatables.r, 0, degToRads, container) : defaultData, + rx: textAnimatorAnimatables.rx ? getProp(elem, textAnimatorAnimatables.rx, 0, degToRads, container) : defaultData, + ry: textAnimatorAnimatables.ry ? getProp(elem, textAnimatorAnimatables.ry, 0, degToRads, container) : defaultData, + sk: textAnimatorAnimatables.sk ? getProp(elem, textAnimatorAnimatables.sk, 0, degToRads, container) : defaultData, + sa: textAnimatorAnimatables.sa ? getProp(elem, textAnimatorAnimatables.sa, 0, degToRads, container) : defaultData, + s: textAnimatorAnimatables.s ? getProp(elem, textAnimatorAnimatables.s, 1, 0.01, container) : defaultData, + a: textAnimatorAnimatables.a ? getProp(elem, textAnimatorAnimatables.a, 1, 0, container) : defaultData, + o: textAnimatorAnimatables.o ? getProp(elem, textAnimatorAnimatables.o, 0, 0.01, container) : defaultData, + p: textAnimatorAnimatables.p ? getProp(elem, textAnimatorAnimatables.p, 1, 0, container) : defaultData, + sw: textAnimatorAnimatables.sw ? getProp(elem, textAnimatorAnimatables.sw, 0, 0, container) : defaultData, + sc: textAnimatorAnimatables.sc ? getProp(elem, textAnimatorAnimatables.sc, 1, 0, container) : defaultData, + fc: textAnimatorAnimatables.fc ? getProp(elem, textAnimatorAnimatables.fc, 1, 0, container) : defaultData, + fh: textAnimatorAnimatables.fh ? getProp(elem, textAnimatorAnimatables.fh, 0, 0, container) : defaultData, + fs: textAnimatorAnimatables.fs ? getProp(elem, textAnimatorAnimatables.fs, 0, 0.01, container) : defaultData, + fb: textAnimatorAnimatables.fb ? getProp(elem, textAnimatorAnimatables.fb, 0, 0.01, container) : defaultData, + t: textAnimatorAnimatables.t ? getProp(elem, textAnimatorAnimatables.t, 0, 0, container) : defaultData, + }; + + this.s = TextSelectorProp.getTextSelectorProp(elem, animatorProps.s, container); + this.s.t = animatorProps.s.t; +} + +function TextAnimatorProperty(textData, renderType, elem) { + this._isFirstFrame = true; + this._hasMaskedPath = false; + this._frameId = -1; + this._textData = textData; + this._renderType = renderType; + this._elem = elem; + this._animatorsData = createSizedArray(this._textData.a.length); + this._pathData = {}; + this._moreOptions = { + alignment: {}, + }; + this.renderedLetters = []; + this.lettersChangedFlag = false; + this.initDynamicPropertyContainer(elem); +} + +TextAnimatorProperty.prototype.searchProperties = function () { + var i; + var len = this._textData.a.length; + var animatorProps; + var getProp = PropertyFactory.getProp; + for (i = 0; i < len; i += 1) { + animatorProps = this._textData.a[i]; + this._animatorsData[i] = new TextAnimatorDataProperty(this._elem, animatorProps, this); + } + if (this._textData.p && 'm' in this._textData.p) { + this._pathData = { + a: getProp(this._elem, this._textData.p.a, 0, 0, this), + f: getProp(this._elem, this._textData.p.f, 0, 0, this), + l: getProp(this._elem, this._textData.p.l, 0, 0, this), + r: getProp(this._elem, this._textData.p.r, 0, 0, this), + p: getProp(this._elem, this._textData.p.p, 0, 0, this), + m: this._elem.maskManager.getMaskProperty(this._textData.p.m), + }; + this._hasMaskedPath = true; + } else { + this._hasMaskedPath = false; + } + this._moreOptions.alignment = getProp(this._elem, this._textData.m.a, 1, 0, this); +}; + +TextAnimatorProperty.prototype.getMeasures = function (documentData, lettersChangedFlag) { + this.lettersChangedFlag = lettersChangedFlag; + if (!this._mdf && !this._isFirstFrame && !lettersChangedFlag && (!this._hasMaskedPath || !this._pathData.m._mdf)) { + return; + } + this._isFirstFrame = false; + var alignment = this._moreOptions.alignment.v; + var animators = this._animatorsData; + var textData = this._textData; + var matrixHelper = this.mHelper; + var renderType = this._renderType; + var renderedLettersCount = this.renderedLetters.length; + var xPos; + var yPos; + var i; + var len; + var letters = documentData.l; + var pathInfo; + var currentLength; + var currentPoint; + var segmentLength; + var flag; + var pointInd; + var segmentInd; + var prevPoint; + var points; + var segments; + var partialLength; + var totalLength; + var perc; + var tanAngle; + var mask; + if (this._hasMaskedPath) { + mask = this._pathData.m; + if (!this._pathData.n || this._pathData._mdf) { + var paths = mask.v; + if (this._pathData.r.v) { + paths = paths.reverse(); + } + // TODO: release bezier data cached from previous pathInfo: this._pathData.pi + pathInfo = { + tLength: 0, + segments: [], + }; + len = paths._length - 1; + var bezierData; + totalLength = 0; + for (i = 0; i < len; i += 1) { + bezierData = bez.buildBezierData(paths.v[i], + paths.v[i + 1], + [paths.o[i][0] - paths.v[i][0], paths.o[i][1] - paths.v[i][1]], + [paths.i[i + 1][0] - paths.v[i + 1][0], paths.i[i + 1][1] - paths.v[i + 1][1]]); + pathInfo.tLength += bezierData.segmentLength; + pathInfo.segments.push(bezierData); + totalLength += bezierData.segmentLength; + } + i = len; + if (mask.v.c) { + bezierData = bez.buildBezierData(paths.v[i], + paths.v[0], + [paths.o[i][0] - paths.v[i][0], paths.o[i][1] - paths.v[i][1]], + [paths.i[0][0] - paths.v[0][0], paths.i[0][1] - paths.v[0][1]]); + pathInfo.tLength += bezierData.segmentLength; + pathInfo.segments.push(bezierData); + totalLength += bezierData.segmentLength; + } + this._pathData.pi = pathInfo; + } + pathInfo = this._pathData.pi; + + currentLength = this._pathData.f.v; + segmentInd = 0; + pointInd = 1; + segmentLength = 0; + flag = true; + segments = pathInfo.segments; + if (currentLength < 0 && mask.v.c) { + if (pathInfo.tLength < Math.abs(currentLength)) { + currentLength = -Math.abs(currentLength) % pathInfo.tLength; + } + segmentInd = segments.length - 1; + points = segments[segmentInd].points; + pointInd = points.length - 1; + while (currentLength < 0) { + currentLength += points[pointInd].partialLength; + pointInd -= 1; + if (pointInd < 0) { + segmentInd -= 1; + points = segments[segmentInd].points; + pointInd = points.length - 1; + } + } + } + points = segments[segmentInd].points; + prevPoint = points[pointInd - 1]; + currentPoint = points[pointInd]; + partialLength = currentPoint.partialLength; + } + + len = letters.length; + xPos = 0; + yPos = 0; + var yOff = documentData.finalSize * 1.2 * 0.714; + var firstLine = true; + var animatorProps; + var animatorSelector; + var j; + var jLen; + var letterValue; + + jLen = animators.length; + + var mult; + var ind = -1; + var offf; + var xPathPos; + var yPathPos; + var initPathPos = currentLength; + var initSegmentInd = segmentInd; + var initPointInd = pointInd; + var currentLine = -1; + var elemOpacity; + var sc; + var sw; + var fc; + var k; + var letterSw; + var letterSc; + var letterFc; + var letterM = ''; + var letterP = this.defaultPropsArray; + var letterO; + + // + if (documentData.j === 2 || documentData.j === 1) { + var animatorJustifyOffset = 0; + var animatorFirstCharOffset = 0; + var justifyOffsetMult = documentData.j === 2 ? -0.5 : -1; + var lastIndex = 0; + var isNewLine = true; + + for (i = 0; i < len; i += 1) { + if (letters[i].n) { + if (animatorJustifyOffset) { + animatorJustifyOffset += animatorFirstCharOffset; + } + while (lastIndex < i) { + letters[lastIndex].animatorJustifyOffset = animatorJustifyOffset; + lastIndex += 1; + } + animatorJustifyOffset = 0; + isNewLine = true; + } else { + for (j = 0; j < jLen; j += 1) { + animatorProps = animators[j].a; + if (animatorProps.t.propType) { + if (isNewLine && documentData.j === 2) { + animatorFirstCharOffset += animatorProps.t.v * justifyOffsetMult; + } + animatorSelector = animators[j].s; + mult = animatorSelector.getMult(letters[i].anIndexes[j], textData.a[j].s.totalChars); + if (mult.length) { + animatorJustifyOffset += animatorProps.t.v * mult[0] * justifyOffsetMult; + } else { + animatorJustifyOffset += animatorProps.t.v * mult * justifyOffsetMult; + } + } + } + isNewLine = false; + } + } + if (animatorJustifyOffset) { + animatorJustifyOffset += animatorFirstCharOffset; + } + while (lastIndex < i) { + letters[lastIndex].animatorJustifyOffset = animatorJustifyOffset; + lastIndex += 1; + } + } + // + + for (i = 0; i < len; i += 1) { + matrixHelper.reset(); + elemOpacity = 1; + if (letters[i].n) { + xPos = 0; + yPos += documentData.yOffset; + yPos += firstLine ? 1 : 0; + currentLength = initPathPos; + firstLine = false; + if (this._hasMaskedPath) { + segmentInd = initSegmentInd; + pointInd = initPointInd; + points = segments[segmentInd].points; + prevPoint = points[pointInd - 1]; + currentPoint = points[pointInd]; + partialLength = currentPoint.partialLength; + segmentLength = 0; + } + letterM = ''; + letterFc = ''; + letterSw = ''; + letterO = ''; + letterP = this.defaultPropsArray; + } else { + if (this._hasMaskedPath) { + if (currentLine !== letters[i].line) { + switch (documentData.j) { + case 1: + currentLength += totalLength - documentData.lineWidths[letters[i].line]; + break; + case 2: + currentLength += (totalLength - documentData.lineWidths[letters[i].line]) / 2; + break; + default: + break; + } + currentLine = letters[i].line; + } + if (ind !== letters[i].ind) { + if (letters[ind]) { + currentLength += letters[ind].extra; + } + currentLength += letters[i].an / 2; + ind = letters[i].ind; + } + currentLength += (alignment[0] * letters[i].an) * 0.005; + var animatorOffset = 0; + for (j = 0; j < jLen; j += 1) { + animatorProps = animators[j].a; + if (animatorProps.p.propType) { + animatorSelector = animators[j].s; + mult = animatorSelector.getMult(letters[i].anIndexes[j], textData.a[j].s.totalChars); + if (mult.length) { + animatorOffset += animatorProps.p.v[0] * mult[0]; + } else { + animatorOffset += animatorProps.p.v[0] * mult; + } + } + if (animatorProps.a.propType) { + animatorSelector = animators[j].s; + mult = animatorSelector.getMult(letters[i].anIndexes[j], textData.a[j].s.totalChars); + if (mult.length) { + animatorOffset += animatorProps.a.v[0] * mult[0]; + } else { + animatorOffset += animatorProps.a.v[0] * mult; + } + } + } + flag = true; + // Force alignment only works with a single line for now + if (this._pathData.a.v) { + currentLength = letters[0].an * 0.5 + ((totalLength - this._pathData.f.v - letters[0].an * 0.5 - letters[letters.length - 1].an * 0.5) * ind) / (len - 1); + currentLength += this._pathData.f.v; + } + while (flag) { + if (segmentLength + partialLength >= currentLength + animatorOffset || !points) { + perc = (currentLength + animatorOffset - segmentLength) / currentPoint.partialLength; + xPathPos = prevPoint.point[0] + (currentPoint.point[0] - prevPoint.point[0]) * perc; + yPathPos = prevPoint.point[1] + (currentPoint.point[1] - prevPoint.point[1]) * perc; + matrixHelper.translate((-alignment[0] * letters[i].an) * 0.005, -(alignment[1] * yOff) * 0.01); + flag = false; + } else if (points) { + segmentLength += currentPoint.partialLength; + pointInd += 1; + if (pointInd >= points.length) { + pointInd = 0; + segmentInd += 1; + if (!segments[segmentInd]) { + if (mask.v.c) { + pointInd = 0; + segmentInd = 0; + points = segments[segmentInd].points; + } else { + segmentLength -= currentPoint.partialLength; + points = null; + } + } else { + points = segments[segmentInd].points; + } + } + if (points) { + prevPoint = currentPoint; + currentPoint = points[pointInd]; + partialLength = currentPoint.partialLength; + } + } + } + offf = letters[i].an / 2 - letters[i].add; + matrixHelper.translate(-offf, 0, 0); + } else { + offf = letters[i].an / 2 - letters[i].add; + matrixHelper.translate(-offf, 0, 0); + + // Grouping alignment + matrixHelper.translate((-alignment[0] * letters[i].an) * 0.005, (-alignment[1] * yOff) * 0.01, 0); + } + + for (j = 0; j < jLen; j += 1) { + animatorProps = animators[j].a; + if (animatorProps.t.propType) { + animatorSelector = animators[j].s; + mult = animatorSelector.getMult(letters[i].anIndexes[j], textData.a[j].s.totalChars); + // This condition is to prevent applying tracking to first character in each line. Might be better to use a boolean "isNewLine" + if (xPos !== 0 || documentData.j !== 0) { + if (this._hasMaskedPath) { + if (mult.length) { + currentLength += animatorProps.t.v * mult[0]; + } else { + currentLength += animatorProps.t.v * mult; + } + } else if (mult.length) { + xPos += animatorProps.t.v * mult[0]; + } else { + xPos += animatorProps.t.v * mult; + } + } + } + } + if (documentData.strokeWidthAnim) { + sw = documentData.sw || 0; + } + if (documentData.strokeColorAnim) { + if (documentData.sc) { + sc = [documentData.sc[0], documentData.sc[1], documentData.sc[2]]; + } else { + sc = [0, 0, 0]; + } + } + if (documentData.fillColorAnim && documentData.fc) { + fc = [documentData.fc[0], documentData.fc[1], documentData.fc[2]]; + } + for (j = 0; j < jLen; j += 1) { + animatorProps = animators[j].a; + if (animatorProps.a.propType) { + animatorSelector = animators[j].s; + mult = animatorSelector.getMult(letters[i].anIndexes[j], textData.a[j].s.totalChars); + + if (mult.length) { + matrixHelper.translate(-animatorProps.a.v[0] * mult[0], -animatorProps.a.v[1] * mult[1], animatorProps.a.v[2] * mult[2]); + } else { + matrixHelper.translate(-animatorProps.a.v[0] * mult, -animatorProps.a.v[1] * mult, animatorProps.a.v[2] * mult); + } + } + } + for (j = 0; j < jLen; j += 1) { + animatorProps = animators[j].a; + if (animatorProps.s.propType) { + animatorSelector = animators[j].s; + mult = animatorSelector.getMult(letters[i].anIndexes[j], textData.a[j].s.totalChars); + if (mult.length) { + matrixHelper.scale(1 + ((animatorProps.s.v[0] - 1) * mult[0]), 1 + ((animatorProps.s.v[1] - 1) * mult[1]), 1); + } else { + matrixHelper.scale(1 + ((animatorProps.s.v[0] - 1) * mult), 1 + ((animatorProps.s.v[1] - 1) * mult), 1); + } + } + } + for (j = 0; j < jLen; j += 1) { + animatorProps = animators[j].a; + animatorSelector = animators[j].s; + mult = animatorSelector.getMult(letters[i].anIndexes[j], textData.a[j].s.totalChars); + if (animatorProps.sk.propType) { + if (mult.length) { + matrixHelper.skewFromAxis(-animatorProps.sk.v * mult[0], animatorProps.sa.v * mult[1]); + } else { + matrixHelper.skewFromAxis(-animatorProps.sk.v * mult, animatorProps.sa.v * mult); + } + } + if (animatorProps.r.propType) { + if (mult.length) { + matrixHelper.rotateZ(-animatorProps.r.v * mult[2]); + } else { + matrixHelper.rotateZ(-animatorProps.r.v * mult); + } + } + if (animatorProps.ry.propType) { + if (mult.length) { + matrixHelper.rotateY(animatorProps.ry.v * mult[1]); + } else { + matrixHelper.rotateY(animatorProps.ry.v * mult); + } + } + if (animatorProps.rx.propType) { + if (mult.length) { + matrixHelper.rotateX(animatorProps.rx.v * mult[0]); + } else { + matrixHelper.rotateX(animatorProps.rx.v * mult); + } + } + if (animatorProps.o.propType) { + if (mult.length) { + elemOpacity += ((animatorProps.o.v) * mult[0] - elemOpacity) * mult[0]; + } else { + elemOpacity += ((animatorProps.o.v) * mult - elemOpacity) * mult; + } + } + if (documentData.strokeWidthAnim && animatorProps.sw.propType) { + if (mult.length) { + sw += animatorProps.sw.v * mult[0]; + } else { + sw += animatorProps.sw.v * mult; + } + } + if (documentData.strokeColorAnim && animatorProps.sc.propType) { + for (k = 0; k < 3; k += 1) { + if (mult.length) { + sc[k] += (animatorProps.sc.v[k] - sc[k]) * mult[0]; + } else { + sc[k] += (animatorProps.sc.v[k] - sc[k]) * mult; + } + } + } + if (documentData.fillColorAnim && documentData.fc) { + if (animatorProps.fc.propType) { + for (k = 0; k < 3; k += 1) { + if (mult.length) { + fc[k] += (animatorProps.fc.v[k] - fc[k]) * mult[0]; + } else { + fc[k] += (animatorProps.fc.v[k] - fc[k]) * mult; + } + } + } + if (animatorProps.fh.propType) { + if (mult.length) { + fc = addHueToRGB(fc, animatorProps.fh.v * mult[0]); + } else { + fc = addHueToRGB(fc, animatorProps.fh.v * mult); + } + } + if (animatorProps.fs.propType) { + if (mult.length) { + fc = addSaturationToRGB(fc, animatorProps.fs.v * mult[0]); + } else { + fc = addSaturationToRGB(fc, animatorProps.fs.v * mult); + } + } + if (animatorProps.fb.propType) { + if (mult.length) { + fc = addBrightnessToRGB(fc, animatorProps.fb.v * mult[0]); + } else { + fc = addBrightnessToRGB(fc, animatorProps.fb.v * mult); + } + } + } + } + + for (j = 0; j < jLen; j += 1) { + animatorProps = animators[j].a; + + if (animatorProps.p.propType) { + animatorSelector = animators[j].s; + mult = animatorSelector.getMult(letters[i].anIndexes[j], textData.a[j].s.totalChars); + if (this._hasMaskedPath) { + if (mult.length) { + matrixHelper.translate(0, animatorProps.p.v[1] * mult[0], -animatorProps.p.v[2] * mult[1]); + } else { + matrixHelper.translate(0, animatorProps.p.v[1] * mult, -animatorProps.p.v[2] * mult); + } + } else if (mult.length) { + matrixHelper.translate(animatorProps.p.v[0] * mult[0], animatorProps.p.v[1] * mult[1], -animatorProps.p.v[2] * mult[2]); + } else { + matrixHelper.translate(animatorProps.p.v[0] * mult, animatorProps.p.v[1] * mult, -animatorProps.p.v[2] * mult); + } + } + } + if (documentData.strokeWidthAnim) { + letterSw = sw < 0 ? 0 : sw; + } + if (documentData.strokeColorAnim) { + letterSc = 'rgb(' + Math.round(sc[0] * 255) + ',' + Math.round(sc[1] * 255) + ',' + Math.round(sc[2] * 255) + ')'; + } + if (documentData.fillColorAnim && documentData.fc) { + letterFc = 'rgb(' + Math.round(fc[0] * 255) + ',' + Math.round(fc[1] * 255) + ',' + Math.round(fc[2] * 255) + ')'; + } + + if (this._hasMaskedPath) { + matrixHelper.translate(0, -documentData.ls); + + matrixHelper.translate(0, (alignment[1] * yOff) * 0.01 + yPos, 0); + if (this._pathData.p.v) { + tanAngle = (currentPoint.point[1] - prevPoint.point[1]) / (currentPoint.point[0] - prevPoint.point[0]); + var rot = (Math.atan(tanAngle) * 180) / Math.PI; + if (currentPoint.point[0] < prevPoint.point[0]) { + rot += 180; + } + matrixHelper.rotate((-rot * Math.PI) / 180); + } + matrixHelper.translate(xPathPos, yPathPos, 0); + currentLength -= (alignment[0] * letters[i].an) * 0.005; + if (letters[i + 1] && ind !== letters[i + 1].ind) { + currentLength += letters[i].an / 2; + currentLength += (documentData.tr * 0.001) * documentData.finalSize; + } + } else { + matrixHelper.translate(xPos, yPos, 0); + + if (documentData.ps) { + // matrixHelper.translate(documentData.ps[0],documentData.ps[1],0); + matrixHelper.translate(documentData.ps[0], documentData.ps[1] + documentData.ascent, 0); + } + switch (documentData.j) { + case 1: + matrixHelper.translate(letters[i].animatorJustifyOffset + documentData.justifyOffset + (documentData.boxWidth - documentData.lineWidths[letters[i].line]), 0, 0); + break; + case 2: + matrixHelper.translate(letters[i].animatorJustifyOffset + documentData.justifyOffset + (documentData.boxWidth - documentData.lineWidths[letters[i].line]) / 2, 0, 0); + break; + default: + break; + } + matrixHelper.translate(0, -documentData.ls); + matrixHelper.translate(offf, 0, 0); + matrixHelper.translate((alignment[0] * letters[i].an) * 0.005, (alignment[1] * yOff) * 0.01, 0); + xPos += letters[i].l + (documentData.tr * 0.001) * documentData.finalSize; + } + if (renderType === 'html') { + letterM = matrixHelper.toCSS(); + } else if (renderType === 'svg') { + letterM = matrixHelper.to2dCSS(); + } else { + letterP = [matrixHelper.props[0], matrixHelper.props[1], matrixHelper.props[2], matrixHelper.props[3], matrixHelper.props[4], matrixHelper.props[5], matrixHelper.props[6], matrixHelper.props[7], matrixHelper.props[8], matrixHelper.props[9], matrixHelper.props[10], matrixHelper.props[11], matrixHelper.props[12], matrixHelper.props[13], matrixHelper.props[14], matrixHelper.props[15]]; + } + letterO = elemOpacity; + } + + if (renderedLettersCount <= i) { + letterValue = new LetterProps(letterO, letterSw, letterSc, letterFc, letterM, letterP); + this.renderedLetters.push(letterValue); + renderedLettersCount += 1; + this.lettersChangedFlag = true; + } else { + letterValue = this.renderedLetters[i]; + this.lettersChangedFlag = letterValue.update(letterO, letterSw, letterSc, letterFc, letterM, letterP) || this.lettersChangedFlag; + } + } +}; + +TextAnimatorProperty.prototype.getValue = function () { + if (this._elem.globalData.frameId === this._frameId) { + return; + } + this._frameId = this._elem.globalData.frameId; + this.iterateDynamicProperties(); +}; + +TextAnimatorProperty.prototype.mHelper = new Matrix(); +TextAnimatorProperty.prototype.defaultPropsArray = []; +extendPrototype([DynamicPropertyContainer], TextAnimatorProperty); + +function ITextElement() { +} + +ITextElement.prototype.initElement = function (data, globalData, comp) { + this.lettersChangedFlag = true; + this.initFrame(); + this.initBaseData(data, globalData, comp); + this.textProperty = new TextProperty(this, data.t, this.dynamicProperties); + this.textAnimator = new TextAnimatorProperty(data.t, this.renderType, this); + this.initTransform(data, globalData, comp); + this.initHierarchy(); + this.initRenderable(); + this.initRendererElement(); + this.createContainerElements(); + this.createRenderableComponents(); + this.createContent(); + this.hide(); + this.textAnimator.searchProperties(this.dynamicProperties); +}; + +ITextElement.prototype.prepareFrame = function (num) { + this._mdf = false; + this.prepareRenderableFrame(num); + this.prepareProperties(num, this.isInRange); + if (this.textProperty._mdf || this.textProperty._isFirstFrame) { + this.buildNewText(); + this.textProperty._isFirstFrame = false; + this.textProperty._mdf = false; + } +}; + +ITextElement.prototype.createPathShape = function (matrixHelper, shapes) { + var j; + var jLen = shapes.length; + var pathNodes; + var shapeStr = ''; + for (j = 0; j < jLen; j += 1) { + if (shapes[j].ty === 'sh') { + pathNodes = shapes[j].ks.k; + shapeStr += buildShapeString(pathNodes, pathNodes.i.length, true, matrixHelper); + } + } + return shapeStr; +}; + +ITextElement.prototype.updateDocumentData = function (newData, index) { + this.textProperty.updateDocumentData(newData, index); +}; + +ITextElement.prototype.canResizeFont = function (_canResize) { + this.textProperty.canResizeFont(_canResize); +}; + +ITextElement.prototype.setMinimumFontSize = function (_fontSize) { + this.textProperty.setMinimumFontSize(_fontSize); +}; + +ITextElement.prototype.applyTextPropertiesToMatrix = function (documentData, matrixHelper, lineNumber, xPos, yPos) { + if (documentData.ps) { + matrixHelper.translate(documentData.ps[0], documentData.ps[1] + documentData.ascent, 0); + } + matrixHelper.translate(0, -documentData.ls, 0); + switch (documentData.j) { + case 1: + matrixHelper.translate(documentData.justifyOffset + (documentData.boxWidth - documentData.lineWidths[lineNumber]), 0, 0); + break; + case 2: + matrixHelper.translate(documentData.justifyOffset + (documentData.boxWidth - documentData.lineWidths[lineNumber]) / 2, 0, 0); + break; + default: + break; + } + matrixHelper.translate(xPos, yPos, 0); +}; + +ITextElement.prototype.buildColor = function (colorData) { + return 'rgb(' + Math.round(colorData[0] * 255) + ',' + Math.round(colorData[1] * 255) + ',' + Math.round(colorData[2] * 255) + ')'; +}; + +ITextElement.prototype.emptyProp = new LetterProps(); + +ITextElement.prototype.destroy = function () { + +}; + +var emptyShapeData = { + shapes: [], +}; + +function SVGTextLottieElement(data, globalData, comp) { + this.textSpans = []; + this.renderType = 'svg'; + this.initElement(data, globalData, comp); +} + +extendPrototype([BaseElement, TransformElement, SVGBaseElement, HierarchyElement, FrameElement, RenderableDOMElement, ITextElement], SVGTextLottieElement); + +SVGTextLottieElement.prototype.createContent = function () { + if (this.data.singleShape && !this.globalData.fontManager.chars) { + this.textContainer = createNS('text'); + } +}; + +SVGTextLottieElement.prototype.buildTextContents = function (textArray) { + var i = 0; + var len = textArray.length; + var textContents = []; + var currentTextContent = ''; + while (i < len) { + if (textArray[i] === String.fromCharCode(13) || textArray[i] === String.fromCharCode(3)) { + textContents.push(currentTextContent); + currentTextContent = ''; + } else { + currentTextContent += textArray[i]; + } + i += 1; + } + textContents.push(currentTextContent); + return textContents; +}; + +SVGTextLottieElement.prototype.buildShapeData = function (data, scale) { + // data should probably be cloned to apply scale separately to each instance of a text on different layers + // but since text internal content gets only rendered once and then it's never rerendered, + // it's probably safe not to clone data and reuse always the same instance even if the object is mutated. + // Avoiding cloning is preferred since cloning each character shape data is expensive + if (data.shapes && data.shapes.length) { + var shape = data.shapes[0]; + if (shape.it) { + var shapeItem = shape.it[shape.it.length - 1]; + if (shapeItem.s) { + shapeItem.s.k[0] = scale; + shapeItem.s.k[1] = scale; + } + } + } + return data; +}; + +SVGTextLottieElement.prototype.buildNewText = function () { + this.addDynamicProperty(this); + var i; + var len; + + var documentData = this.textProperty.currentData; + this.renderedLetters = createSizedArray(documentData ? documentData.l.length : 0); + if (documentData.fc) { + this.layerElement.setAttribute('fill', this.buildColor(documentData.fc)); + } else { + this.layerElement.setAttribute('fill', 'rgba(0,0,0,0)'); + } + if (documentData.sc) { + this.layerElement.setAttribute('stroke', this.buildColor(documentData.sc)); + this.layerElement.setAttribute('stroke-width', documentData.sw); + } + this.layerElement.setAttribute('font-size', documentData.finalSize); + var fontData = this.globalData.fontManager.getFontByName(documentData.f); + if (fontData.fClass) { + this.layerElement.setAttribute('class', fontData.fClass); + } else { + this.layerElement.setAttribute('font-family', fontData.fFamily); + var fWeight = documentData.fWeight; + var fStyle = documentData.fStyle; + this.layerElement.setAttribute('font-style', fStyle); + this.layerElement.setAttribute('font-weight', fWeight); + } + this.layerElement.setAttribute('aria-label', documentData.t); + + var letters = documentData.l || []; + var usesGlyphs = !!this.globalData.fontManager.chars; + len = letters.length; + + var tSpan; + var matrixHelper = this.mHelper; + var shapeStr = ''; + var singleShape = this.data.singleShape; + var xPos = 0; + var yPos = 0; + var firstLine = true; + var trackingOffset = documentData.tr * 0.001 * documentData.finalSize; + if (singleShape && !usesGlyphs && !documentData.sz) { + var tElement = this.textContainer; + var justify = 'start'; + switch (documentData.j) { + case 1: + justify = 'end'; + break; + case 2: + justify = 'middle'; + break; + default: + justify = 'start'; + break; + } + tElement.setAttribute('text-anchor', justify); + tElement.setAttribute('letter-spacing', trackingOffset); + var textContent = this.buildTextContents(documentData.finalText); + len = textContent.length; + yPos = documentData.ps ? documentData.ps[1] + documentData.ascent : 0; + for (i = 0; i < len; i += 1) { + tSpan = this.textSpans[i].span || createNS('tspan'); + tSpan.textContent = textContent[i]; + tSpan.setAttribute('x', 0); + tSpan.setAttribute('y', yPos); + tSpan.style.display = 'inherit'; + tElement.appendChild(tSpan); + if (!this.textSpans[i]) { + this.textSpans[i] = { + span: null, + glyph: null, + }; + } + this.textSpans[i].span = tSpan; + yPos += documentData.finalLineHeight; + } + + this.layerElement.appendChild(tElement); + } else { + var cachedSpansLength = this.textSpans.length; + var charData; + for (i = 0; i < len; i += 1) { + if (!this.textSpans[i]) { + this.textSpans[i] = { + span: null, + childSpan: null, + glyph: null, + }; + } + if (!usesGlyphs || !singleShape || i === 0) { + tSpan = cachedSpansLength > i ? this.textSpans[i].span : createNS(usesGlyphs ? 'g' : 'text'); + if (cachedSpansLength <= i) { + tSpan.setAttribute('stroke-linecap', 'butt'); + tSpan.setAttribute('stroke-linejoin', 'round'); + tSpan.setAttribute('stroke-miterlimit', '4'); + this.textSpans[i].span = tSpan; + if (usesGlyphs) { + var childSpan = createNS('g'); + tSpan.appendChild(childSpan); + this.textSpans[i].childSpan = childSpan; + } + this.textSpans[i].span = tSpan; + this.layerElement.appendChild(tSpan); + } + tSpan.style.display = 'inherit'; + } + + matrixHelper.reset(); + if (singleShape) { + if (letters[i].n) { + xPos = -trackingOffset; + yPos += documentData.yOffset; + yPos += firstLine ? 1 : 0; + firstLine = false; + } + this.applyTextPropertiesToMatrix(documentData, matrixHelper, letters[i].line, xPos, yPos); + xPos += letters[i].l || 0; + // xPos += letters[i].val === ' ' ? 0 : trackingOffset; + xPos += trackingOffset; + } + if (usesGlyphs) { + charData = this.globalData.fontManager.getCharData( + documentData.finalText[i], + fontData.fStyle, + this.globalData.fontManager.getFontByName(documentData.f).fFamily + ); + var glyphElement; + // t === 1 means the character has been replaced with an animated shaped + if (charData.t === 1) { + glyphElement = new SVGCompElement(charData.data, this.globalData, this); + } else { + var data = emptyShapeData; + if (charData.data && charData.data.shapes) { + data = this.buildShapeData(charData.data, documentData.finalSize); + } + glyphElement = new SVGShapeElement(data, this.globalData, this); + } + if (this.textSpans[i].glyph) { + var glyph = this.textSpans[i].glyph; + this.textSpans[i].childSpan.removeChild(glyph.layerElement); + glyph.destroy(); + } + this.textSpans[i].glyph = glyphElement; + glyphElement._debug = true; + glyphElement.prepareFrame(0); + glyphElement.renderFrame(); + this.textSpans[i].childSpan.appendChild(glyphElement.layerElement); + // when using animated shapes, the layer will be scaled instead of replacing the internal scale + // this might have issues with strokes and might need a different solution + if (charData.t === 1) { + this.textSpans[i].childSpan.setAttribute('transform', 'scale(' + documentData.finalSize / 100 + ',' + documentData.finalSize / 100 + ')'); + } + } else { + if (singleShape) { + tSpan.setAttribute('transform', 'translate(' + matrixHelper.props[12] + ',' + matrixHelper.props[13] + ')'); + } + tSpan.textContent = letters[i].val; + tSpan.setAttributeNS('http://www.w3.org/XML/1998/namespace', 'xml:space', 'preserve'); + } + // + } + if (singleShape && tSpan) { + tSpan.setAttribute('d', shapeStr); + } + } + while (i < this.textSpans.length) { + this.textSpans[i].span.style.display = 'none'; + i += 1; + } + + this._sizeChanged = true; +}; + +SVGTextLottieElement.prototype.sourceRectAtTime = function () { + this.prepareFrame(this.comp.renderedFrame - this.data.st); + this.renderInnerContent(); + if (this._sizeChanged) { + this._sizeChanged = false; + var textBox = this.layerElement.getBBox(); + this.bbox = { + top: textBox.y, + left: textBox.x, + width: textBox.width, + height: textBox.height, + }; + } + return this.bbox; +}; + +SVGTextLottieElement.prototype.getValue = function () { + var i; + var len = this.textSpans.length; + var glyphElement; + this.renderedFrame = this.comp.renderedFrame; + for (i = 0; i < len; i += 1) { + glyphElement = this.textSpans[i].glyph; + if (glyphElement) { + glyphElement.prepareFrame(this.comp.renderedFrame - this.data.st); + if (glyphElement._mdf) { + this._mdf = true; + } + } + } +}; + +SVGTextLottieElement.prototype.renderInnerContent = function () { + if (!this.data.singleShape || this._mdf) { + this.textAnimator.getMeasures(this.textProperty.currentData, this.lettersChangedFlag); + if (this.lettersChangedFlag || this.textAnimator.lettersChangedFlag) { + this._sizeChanged = true; + var i; + var len; + var renderedLetters = this.textAnimator.renderedLetters; + + var letters = this.textProperty.currentData.l; + + len = letters.length; + var renderedLetter; + var textSpan; + var glyphElement; + for (i = 0; i < len; i += 1) { + if (!letters[i].n) { + renderedLetter = renderedLetters[i]; + textSpan = this.textSpans[i].span; + glyphElement = this.textSpans[i].glyph; + if (glyphElement) { + glyphElement.renderFrame(); + } + if (renderedLetter._mdf.m) { + textSpan.setAttribute('transform', renderedLetter.m); + } + if (renderedLetter._mdf.o) { + textSpan.setAttribute('opacity', renderedLetter.o); + } + if (renderedLetter._mdf.sw) { + textSpan.setAttribute('stroke-width', renderedLetter.sw); + } + if (renderedLetter._mdf.sc) { + textSpan.setAttribute('stroke', renderedLetter.sc); + } + if (renderedLetter._mdf.fc) { + textSpan.setAttribute('fill', renderedLetter.fc); + } + } + } + } + } +}; + +function ISolidElement(data, globalData, comp) { + this.initElement(data, globalData, comp); +} +extendPrototype([IImageElement], ISolidElement); + +ISolidElement.prototype.createContent = function () { + var rect = createNS('rect'); + /// /rect.style.width = this.data.sw; + /// /rect.style.height = this.data.sh; + /// /rect.style.fill = this.data.sc; + rect.setAttribute('width', this.data.sw); + rect.setAttribute('height', this.data.sh); + rect.setAttribute('fill', this.data.sc); + this.layerElement.appendChild(rect); +}; + +function NullElement(data, globalData, comp) { + this.initFrame(); + this.initBaseData(data, globalData, comp); + this.initFrame(); + this.initTransform(data, globalData, comp); + this.initHierarchy(); +} + +NullElement.prototype.prepareFrame = function (num) { + this.prepareProperties(num, true); +}; + +NullElement.prototype.renderFrame = function () { +}; + +NullElement.prototype.getBaseElement = function () { + return null; +}; + +NullElement.prototype.destroy = function () { +}; + +NullElement.prototype.sourceRectAtTime = function () { +}; + +NullElement.prototype.hide = function () { +}; + +extendPrototype([BaseElement, TransformElement, HierarchyElement, FrameElement], NullElement); + +function SVGRendererBase() { +} + +extendPrototype([BaseRenderer], SVGRendererBase); + +SVGRendererBase.prototype.createNull = function (data) { + return new NullElement(data, this.globalData, this); +}; + +SVGRendererBase.prototype.createShape = function (data) { + return new SVGShapeElement(data, this.globalData, this); +}; + +SVGRendererBase.prototype.createText = function (data) { + return new SVGTextLottieElement(data, this.globalData, this); +}; + +SVGRendererBase.prototype.createImage = function (data) { + return new IImageElement(data, this.globalData, this); +}; + +SVGRendererBase.prototype.createSolid = function (data) { + return new ISolidElement(data, this.globalData, this); +}; + +SVGRendererBase.prototype.configAnimation = function (animData) { + this.svgElement.setAttribute('xmlns', 'http://www.w3.org/2000/svg'); + if (this.renderConfig.viewBoxSize) { + this.svgElement.setAttribute('viewBox', this.renderConfig.viewBoxSize); + } else { + this.svgElement.setAttribute('viewBox', '0 0 ' + animData.w + ' ' + animData.h); + } + + if (!this.renderConfig.viewBoxOnly) { + this.svgElement.setAttribute('width', animData.w); + this.svgElement.setAttribute('height', animData.h); + this.svgElement.style.width = '100%'; + this.svgElement.style.height = '100%'; + this.svgElement.style.transform = 'translate3d(0,0,0)'; + this.svgElement.style.contentVisibility = this.renderConfig.contentVisibility; + } + if (this.renderConfig.width) { + this.svgElement.setAttribute('width', this.renderConfig.width); + } + if (this.renderConfig.height) { + this.svgElement.setAttribute('height', this.renderConfig.height); + } + if (this.renderConfig.className) { + this.svgElement.setAttribute('class', this.renderConfig.className); + } + if (this.renderConfig.id) { + this.svgElement.setAttribute('id', this.renderConfig.id); + } + if (this.renderConfig.focusable !== undefined) { + this.svgElement.setAttribute('focusable', this.renderConfig.focusable); + } + this.svgElement.setAttribute('preserveAspectRatio', this.renderConfig.preserveAspectRatio); + // this.layerElement.style.transform = 'translate3d(0,0,0)'; + // this.layerElement.style.transformOrigin = this.layerElement.style.mozTransformOrigin = this.layerElement.style.webkitTransformOrigin = this.layerElement.style['-webkit-transform'] = "0px 0px 0px"; + this.animationItem.wrapper.appendChild(this.svgElement); + // Mask animation + var defs = this.globalData.defs; + + this.setupGlobalData(animData, defs); + this.globalData.progressiveLoad = this.renderConfig.progressiveLoad; + this.data = animData; + + var maskElement = createNS('clipPath'); + var rect = createNS('rect'); + rect.setAttribute('width', animData.w); + rect.setAttribute('height', animData.h); + rect.setAttribute('x', 0); + rect.setAttribute('y', 0); + var maskId = createElementID(); + maskElement.setAttribute('id', maskId); + maskElement.appendChild(rect); + this.layerElement.setAttribute('clip-path', 'url(' + getLocationHref() + '#' + maskId + ')'); + + defs.appendChild(maskElement); + this.layers = animData.layers; + this.elements = createSizedArray(animData.layers.length); +}; + +SVGRendererBase.prototype.destroy = function () { + if (this.animationItem.wrapper) { + this.animationItem.wrapper.innerText = ''; + } + this.layerElement = null; + this.globalData.defs = null; + var i; + var len = this.layers ? this.layers.length : 0; + for (i = 0; i < len; i += 1) { + if (this.elements[i]) { + this.elements[i].destroy(); + } + } + this.elements.length = 0; + this.destroyed = true; + this.animationItem = null; +}; + +SVGRendererBase.prototype.updateContainerSize = function () { +}; + +SVGRendererBase.prototype.buildItem = function (pos) { + var elements = this.elements; + if (elements[pos] || this.layers[pos].ty === 99) { + return; + } + elements[pos] = true; + var element = this.createItem(this.layers[pos]); + + elements[pos] = element; + if (getExpressionsPlugin()) { + if (this.layers[pos].ty === 0) { + this.globalData.projectInterface.registerComposition(element); + } + element.initExpressions(); + } + this.appendElementInPos(element, pos); + if (this.layers[pos].tt) { + if (!this.elements[pos - 1] || this.elements[pos - 1] === true) { + this.buildItem(pos - 1); + this.addPendingElement(element); + } else { + element.setMatte(elements[pos - 1].layerId); + } + } +}; + +SVGRendererBase.prototype.checkPendingElements = function () { + while (this.pendingElements.length) { + var element = this.pendingElements.pop(); + element.checkParenting(); + if (element.data.tt) { + var i = 0; + var len = this.elements.length; + while (i < len) { + if (this.elements[i] === element) { + element.setMatte(this.elements[i - 1].layerId); + break; + } + i += 1; + } + } + } +}; + +SVGRendererBase.prototype.renderFrame = function (num) { + if (this.renderedFrame === num || this.destroyed) { + return; + } + if (num === null) { + num = this.renderedFrame; + } else { + this.renderedFrame = num; + } + // console.log('-------'); + // console.log('FRAME ',num); + this.globalData.frameNum = num; + this.globalData.frameId += 1; + this.globalData.projectInterface.currentFrame = num; + this.globalData._mdf = false; + var i; + var len = this.layers.length; + if (!this.completeLayers) { + this.checkLayers(num); + } + for (i = len - 1; i >= 0; i -= 1) { + if (this.completeLayers || this.elements[i]) { + this.elements[i].prepareFrame(num - this.layers[i].st); + } + } + if (this.globalData._mdf) { + for (i = 0; i < len; i += 1) { + if (this.completeLayers || this.elements[i]) { + this.elements[i].renderFrame(); + } + } + } +}; + +SVGRendererBase.prototype.appendElementInPos = function (element, pos) { + var newElement = element.getBaseElement(); + if (!newElement) { + return; + } + var i = 0; + var nextElement; + while (i < pos) { + if (this.elements[i] && this.elements[i] !== true && this.elements[i].getBaseElement()) { + nextElement = this.elements[i].getBaseElement(); + } + i += 1; + } + if (nextElement) { + this.layerElement.insertBefore(newElement, nextElement); + } else { + this.layerElement.appendChild(newElement); + } +}; + +SVGRendererBase.prototype.hide = function () { + this.layerElement.style.display = 'none'; +}; + +SVGRendererBase.prototype.show = function () { + this.layerElement.style.display = 'block'; +}; + +function ICompElement() {} + +extendPrototype([BaseElement, TransformElement, HierarchyElement, FrameElement, RenderableDOMElement], ICompElement); + +ICompElement.prototype.initElement = function (data, globalData, comp) { + this.initFrame(); + this.initBaseData(data, globalData, comp); + this.initTransform(data, globalData, comp); + this.initRenderable(); + this.initHierarchy(); + this.initRendererElement(); + this.createContainerElements(); + this.createRenderableComponents(); + if (this.data.xt || !globalData.progressiveLoad) { + this.buildAllItems(); + } + this.hide(); +}; + +/* ICompElement.prototype.hide = function(){ + if(!this.hidden){ + this.hideElement(); + var i,len = this.elements.length; + for( i = 0; i < len; i+=1 ){ + if(this.elements[i]){ + this.elements[i].hide(); + } + } + } +}; */ + +ICompElement.prototype.prepareFrame = function (num) { + this._mdf = false; + this.prepareRenderableFrame(num); + this.prepareProperties(num, this.isInRange); + if (!this.isInRange && !this.data.xt) { + return; + } + + if (!this.tm._placeholder) { + var timeRemapped = this.tm.v; + if (timeRemapped === this.data.op) { + timeRemapped = this.data.op - 1; + } + this.renderedFrame = timeRemapped; + } else { + this.renderedFrame = num / this.data.sr; + } + var i; + var len = this.elements.length; + if (!this.completeLayers) { + this.checkLayers(this.renderedFrame); + } + // This iteration needs to be backwards because of how expressions connect between each other + for (i = len - 1; i >= 0; i -= 1) { + if (this.completeLayers || this.elements[i]) { + this.elements[i].prepareFrame(this.renderedFrame - this.layers[i].st); + if (this.elements[i]._mdf) { + this._mdf = true; + } + } + } +}; + +ICompElement.prototype.renderInnerContent = function () { + var i; + var len = this.layers.length; + for (i = 0; i < len; i += 1) { + if (this.completeLayers || this.elements[i]) { + this.elements[i].renderFrame(); + } + } +}; + +ICompElement.prototype.setElements = function (elems) { + this.elements = elems; +}; + +ICompElement.prototype.getElements = function () { + return this.elements; +}; + +ICompElement.prototype.destroyElements = function () { + var i; + var len = this.layers.length; + for (i = 0; i < len; i += 1) { + if (this.elements[i]) { + this.elements[i].destroy(); + } + } +}; + +ICompElement.prototype.destroy = function () { + this.destroyElements(); + this.destroyBaseElement(); +}; + +function SVGCompElement(data, globalData, comp) { + this.layers = data.layers; + this.supports3d = true; + this.completeLayers = false; + this.pendingElements = []; + this.elements = this.layers ? createSizedArray(this.layers.length) : []; + this.initElement(data, globalData, comp); + this.tm = data.tm ? PropertyFactory.getProp(this, data.tm, 0, globalData.frameRate, this) : { _placeholder: true }; +} + +extendPrototype([SVGRendererBase, ICompElement, SVGBaseElement], SVGCompElement); + +SVGCompElement.prototype.createComp = function (data) { + return new SVGCompElement(data, this.globalData, this); +}; + +function SVGRenderer(animationItem, config) { + this.animationItem = animationItem; + this.layers = null; + this.renderedFrame = -1; + this.svgElement = createNS('svg'); + var ariaLabel = ''; + if (config && config.title) { + var titleElement = createNS('title'); + var titleId = createElementID(); + titleElement.setAttribute('id', titleId); + titleElement.textContent = config.title; + this.svgElement.appendChild(titleElement); + ariaLabel += titleId; + } + if (config && config.description) { + var descElement = createNS('desc'); + var descId = createElementID(); + descElement.setAttribute('id', descId); + descElement.textContent = config.description; + this.svgElement.appendChild(descElement); + ariaLabel += ' ' + descId; + } + if (ariaLabel) { + this.svgElement.setAttribute('aria-labelledby', ariaLabel); + } + var defs = createNS('defs'); + this.svgElement.appendChild(defs); + var maskElement = createNS('g'); + this.svgElement.appendChild(maskElement); + this.layerElement = maskElement; + this.renderConfig = { + preserveAspectRatio: (config && config.preserveAspectRatio) || 'xMidYMid meet', + imagePreserveAspectRatio: (config && config.imagePreserveAspectRatio) || 'xMidYMid slice', + contentVisibility: (config && config.contentVisibility) || 'visible', + progressiveLoad: (config && config.progressiveLoad) || false, + hideOnTransparent: !((config && config.hideOnTransparent === false)), + viewBoxOnly: (config && config.viewBoxOnly) || false, + viewBoxSize: (config && config.viewBoxSize) || false, + className: (config && config.className) || '', + id: (config && config.id) || '', + focusable: config && config.focusable, + filterSize: { + width: (config && config.filterSize && config.filterSize.width) || '100%', + height: (config && config.filterSize && config.filterSize.height) || '100%', + x: (config && config.filterSize && config.filterSize.x) || '0%', + y: (config && config.filterSize && config.filterSize.y) || '0%', + }, + width: (config && config.width), + height: (config && config.height), + }; + + this.globalData = { + _mdf: false, + frameNum: -1, + defs: defs, + renderConfig: this.renderConfig, + }; + this.elements = []; + this.pendingElements = []; + this.destroyed = false; + this.rendererType = 'svg'; +} + +extendPrototype([SVGRendererBase], SVGRenderer); + +SVGRenderer.prototype.createComp = function (data) { + return new SVGCompElement(data, this.globalData, this); +}; + +function CVContextData() { + this.saved = []; + this.cArrPos = 0; + this.cTr = new Matrix(); + this.cO = 1; + var i; + var len = 15; + this.savedOp = createTypedArray('float32', len); + for (i = 0; i < len; i += 1) { + this.saved[i] = createTypedArray('float32', 16); + } + this._length = len; +} + +CVContextData.prototype.duplicate = function () { + var newLength = this._length * 2; + var currentSavedOp = this.savedOp; + this.savedOp = createTypedArray('float32', newLength); + this.savedOp.set(currentSavedOp); + var i = 0; + for (i = this._length; i < newLength; i += 1) { + this.saved[i] = createTypedArray('float32', 16); + } + this._length = newLength; +}; + +CVContextData.prototype.reset = function () { + this.cArrPos = 0; + this.cTr.reset(); + this.cO = 1; +}; + +function ShapeTransformManager() { + this.sequences = {}; + this.sequenceList = []; + this.transform_key_count = 0; +} + +ShapeTransformManager.prototype = { + addTransformSequence: function (transforms) { + var i; + var len = transforms.length; + var key = '_'; + for (i = 0; i < len; i += 1) { + key += transforms[i].transform.key + '_'; + } + var sequence = this.sequences[key]; + if (!sequence) { + sequence = { + transforms: [].concat(transforms), + finalTransform: new Matrix(), + _mdf: false, + }; + this.sequences[key] = sequence; + this.sequenceList.push(sequence); + } + return sequence; + }, + processSequence: function (sequence, isFirstFrame) { + var i = 0; + var len = sequence.transforms.length; + var _mdf = isFirstFrame; + while (i < len && !isFirstFrame) { + if (sequence.transforms[i].transform.mProps._mdf) { + _mdf = true; + break; + } + i += 1; + } + if (_mdf) { + var props; + sequence.finalTransform.reset(); + for (i = len - 1; i >= 0; i -= 1) { + props = sequence.transforms[i].transform.mProps.v.props; + sequence.finalTransform.transform(props[0], props[1], props[2], props[3], props[4], props[5], props[6], props[7], props[8], props[9], props[10], props[11], props[12], props[13], props[14], props[15]); + } + } + sequence._mdf = _mdf; + }, + processSequences: function (isFirstFrame) { + var i; + var len = this.sequenceList.length; + for (i = 0; i < len; i += 1) { + this.processSequence(this.sequenceList[i], isFirstFrame); + } + }, + getNewKey: function () { + this.transform_key_count += 1; + return '_' + this.transform_key_count; + }, +}; + +function CVEffects() { + +} +CVEffects.prototype.renderFrame = function () {}; + +function CVMaskElement(data, element) { + this.data = data; + this.element = element; + this.masksProperties = this.data.masksProperties || []; + this.viewData = createSizedArray(this.masksProperties.length); + var i; + var len = this.masksProperties.length; + var hasMasks = false; + for (i = 0; i < len; i += 1) { + if (this.masksProperties[i].mode !== 'n') { + hasMasks = true; + } + this.viewData[i] = ShapePropertyFactory.getShapeProp(this.element, this.masksProperties[i], 3); + } + this.hasMasks = hasMasks; + if (hasMasks) { + this.element.addRenderableComponent(this); + } +} + +CVMaskElement.prototype.renderFrame = function () { + if (!this.hasMasks) { + return; + } + var transform = this.element.finalTransform.mat; + var ctx = this.element.canvasContext; + var i; + var len = this.masksProperties.length; + var pt; + var pts; + var data; + ctx.beginPath(); + for (i = 0; i < len; i += 1) { + if (this.masksProperties[i].mode !== 'n') { + if (this.masksProperties[i].inv) { + ctx.moveTo(0, 0); + ctx.lineTo(this.element.globalData.compSize.w, 0); + ctx.lineTo(this.element.globalData.compSize.w, this.element.globalData.compSize.h); + ctx.lineTo(0, this.element.globalData.compSize.h); + ctx.lineTo(0, 0); + } + data = this.viewData[i].v; + pt = transform.applyToPointArray(data.v[0][0], data.v[0][1], 0); + ctx.moveTo(pt[0], pt[1]); + var j; + var jLen = data._length; + for (j = 1; j < jLen; j += 1) { + pts = transform.applyToTriplePoints(data.o[j - 1], data.i[j], data.v[j]); + ctx.bezierCurveTo(pts[0], pts[1], pts[2], pts[3], pts[4], pts[5]); + } + pts = transform.applyToTriplePoints(data.o[j - 1], data.i[0], data.v[0]); + ctx.bezierCurveTo(pts[0], pts[1], pts[2], pts[3], pts[4], pts[5]); + } + } + this.element.globalData.renderer.save(true); + ctx.clip(); +}; + +CVMaskElement.prototype.getMaskProperty = MaskElement.prototype.getMaskProperty; + +CVMaskElement.prototype.destroy = function () { + this.element = null; +}; + +function CVBaseElement() { +} + +CVBaseElement.prototype = { + createElements: function () {}, + initRendererElement: function () {}, + createContainerElements: function () { + this.canvasContext = this.globalData.canvasContext; + this.renderableEffectsManager = new CVEffects(this); + }, + createContent: function () {}, + setBlendMode: function () { + var globalData = this.globalData; + if (globalData.blendMode !== this.data.bm) { + globalData.blendMode = this.data.bm; + var blendModeValue = getBlendMode(this.data.bm); + globalData.canvasContext.globalCompositeOperation = blendModeValue; + } + }, + createRenderableComponents: function () { + this.maskManager = new CVMaskElement(this.data, this); + }, + hideElement: function () { + if (!this.hidden && (!this.isInRange || this.isTransparent)) { + this.hidden = true; + } + }, + showElement: function () { + if (this.isInRange && !this.isTransparent) { + this.hidden = false; + this._isFirstFrame = true; + this.maskManager._isFirstFrame = true; + } + }, + renderFrame: function () { + if (this.hidden || this.data.hd) { + return; + } + this.renderTransform(); + this.renderRenderable(); + this.setBlendMode(); + var forceRealStack = this.data.ty === 0; + this.globalData.renderer.save(forceRealStack); + this.globalData.renderer.ctxTransform(this.finalTransform.mat.props); + this.globalData.renderer.ctxOpacity(this.finalTransform.mProp.o.v); + this.renderInnerContent(); + this.globalData.renderer.restore(forceRealStack); + if (this.maskManager.hasMasks) { + this.globalData.renderer.restore(true); + } + if (this._isFirstFrame) { + this._isFirstFrame = false; + } + }, + destroy: function () { + this.canvasContext = null; + this.data = null; + this.globalData = null; + this.maskManager.destroy(); + }, + mHelper: new Matrix(), +}; +CVBaseElement.prototype.hide = CVBaseElement.prototype.hideElement; +CVBaseElement.prototype.show = CVBaseElement.prototype.showElement; + +function CVShapeData(element, data, styles, transformsManager) { + this.styledShapes = []; + this.tr = [0, 0, 0, 0, 0, 0]; + var ty = 4; + if (data.ty === 'rc') { + ty = 5; + } else if (data.ty === 'el') { + ty = 6; + } else if (data.ty === 'sr') { + ty = 7; + } + this.sh = ShapePropertyFactory.getShapeProp(element, data, ty, element); + var i; + var len = styles.length; + var styledShape; + for (i = 0; i < len; i += 1) { + if (!styles[i].closed) { + styledShape = { + transforms: transformsManager.addTransformSequence(styles[i].transforms), + trNodes: [], + }; + this.styledShapes.push(styledShape); + styles[i].elements.push(styledShape); + } + } +} + +CVShapeData.prototype.setAsAnimated = SVGShapeData.prototype.setAsAnimated; + +function CVShapeElement(data, globalData, comp) { + this.shapes = []; + this.shapesData = data.shapes; + this.stylesList = []; + this.itemsData = []; + this.prevViewData = []; + this.shapeModifiers = []; + this.processedElements = []; + this.transformsManager = new ShapeTransformManager(); + this.initElement(data, globalData, comp); +} + +extendPrototype([BaseElement, TransformElement, CVBaseElement, IShapeElement, HierarchyElement, FrameElement, RenderableElement], CVShapeElement); + +CVShapeElement.prototype.initElement = RenderableDOMElement.prototype.initElement; + +CVShapeElement.prototype.transformHelper = { opacity: 1, _opMdf: false }; + +CVShapeElement.prototype.dashResetter = []; + +CVShapeElement.prototype.createContent = function () { + this.searchShapes(this.shapesData, this.itemsData, this.prevViewData, true, []); +}; + +CVShapeElement.prototype.createStyleElement = function (data, transforms) { + var styleElem = { + data: data, + type: data.ty, + preTransforms: this.transformsManager.addTransformSequence(transforms), + transforms: [], + elements: [], + closed: data.hd === true, + }; + var elementData = {}; + if (data.ty === 'fl' || data.ty === 'st') { + elementData.c = PropertyFactory.getProp(this, data.c, 1, 255, this); + if (!elementData.c.k) { + styleElem.co = 'rgb(' + bmFloor(elementData.c.v[0]) + ',' + bmFloor(elementData.c.v[1]) + ',' + bmFloor(elementData.c.v[2]) + ')'; + } + } else if (data.ty === 'gf' || data.ty === 'gs') { + elementData.s = PropertyFactory.getProp(this, data.s, 1, null, this); + elementData.e = PropertyFactory.getProp(this, data.e, 1, null, this); + elementData.h = PropertyFactory.getProp(this, data.h || { k: 0 }, 0, 0.01, this); + elementData.a = PropertyFactory.getProp(this, data.a || { k: 0 }, 0, degToRads, this); + elementData.g = new GradientProperty(this, data.g, this); + } + elementData.o = PropertyFactory.getProp(this, data.o, 0, 0.01, this); + if (data.ty === 'st' || data.ty === 'gs') { + styleElem.lc = lineCapEnum[data.lc || 2]; + styleElem.lj = lineJoinEnum[data.lj || 2]; + if (data.lj == 1) { // eslint-disable-line eqeqeq + styleElem.ml = data.ml; + } + elementData.w = PropertyFactory.getProp(this, data.w, 0, null, this); + if (!elementData.w.k) { + styleElem.wi = elementData.w.v; + } + if (data.d) { + var d = new DashProperty(this, data.d, 'canvas', this); + elementData.d = d; + if (!elementData.d.k) { + styleElem.da = elementData.d.dashArray; + styleElem.do = elementData.d.dashoffset[0]; + } + } + } else { + styleElem.r = data.r === 2 ? 'evenodd' : 'nonzero'; + } + this.stylesList.push(styleElem); + elementData.style = styleElem; + return elementData; +}; + +CVShapeElement.prototype.createGroupElement = function () { + var elementData = { + it: [], + prevViewData: [], + }; + return elementData; +}; + +CVShapeElement.prototype.createTransformElement = function (data) { + var elementData = { + transform: { + opacity: 1, + _opMdf: false, + key: this.transformsManager.getNewKey(), + op: PropertyFactory.getProp(this, data.o, 0, 0.01, this), + mProps: TransformPropertyFactory.getTransformProperty(this, data, this), + }, + }; + return elementData; +}; + +CVShapeElement.prototype.createShapeElement = function (data) { + var elementData = new CVShapeData(this, data, this.stylesList, this.transformsManager); + + this.shapes.push(elementData); + this.addShapeToModifiers(elementData); + return elementData; +}; + +CVShapeElement.prototype.reloadShapes = function () { + this._isFirstFrame = true; + var i; + var len = this.itemsData.length; + for (i = 0; i < len; i += 1) { + this.prevViewData[i] = this.itemsData[i]; + } + this.searchShapes(this.shapesData, this.itemsData, this.prevViewData, true, []); + len = this.dynamicProperties.length; + for (i = 0; i < len; i += 1) { + this.dynamicProperties[i].getValue(); + } + this.renderModifiers(); + this.transformsManager.processSequences(this._isFirstFrame); +}; + +CVShapeElement.prototype.addTransformToStyleList = function (transform) { + var i; + var len = this.stylesList.length; + for (i = 0; i < len; i += 1) { + if (!this.stylesList[i].closed) { + this.stylesList[i].transforms.push(transform); + } + } +}; + +CVShapeElement.prototype.removeTransformFromStyleList = function () { + var i; + var len = this.stylesList.length; + for (i = 0; i < len; i += 1) { + if (!this.stylesList[i].closed) { + this.stylesList[i].transforms.pop(); + } + } +}; + +CVShapeElement.prototype.closeStyles = function (styles) { + var i; + var len = styles.length; + for (i = 0; i < len; i += 1) { + styles[i].closed = true; + } +}; + +CVShapeElement.prototype.searchShapes = function (arr, itemsData, prevViewData, shouldRender, transforms) { + var i; + var len = arr.length - 1; + var j; + var jLen; + var ownStyles = []; + var ownModifiers = []; + var processedPos; + var modifier; + var currentTransform; + var ownTransforms = [].concat(transforms); + for (i = len; i >= 0; i -= 1) { + processedPos = this.searchProcessedElement(arr[i]); + if (!processedPos) { + arr[i]._shouldRender = shouldRender; + } else { + itemsData[i] = prevViewData[processedPos - 1]; + } + if (arr[i].ty === 'fl' || arr[i].ty === 'st' || arr[i].ty === 'gf' || arr[i].ty === 'gs') { + if (!processedPos) { + itemsData[i] = this.createStyleElement(arr[i], ownTransforms); + } else { + itemsData[i].style.closed = false; + } + + ownStyles.push(itemsData[i].style); + } else if (arr[i].ty === 'gr') { + if (!processedPos) { + itemsData[i] = this.createGroupElement(arr[i]); + } else { + jLen = itemsData[i].it.length; + for (j = 0; j < jLen; j += 1) { + itemsData[i].prevViewData[j] = itemsData[i].it[j]; + } + } + this.searchShapes(arr[i].it, itemsData[i].it, itemsData[i].prevViewData, shouldRender, ownTransforms); + } else if (arr[i].ty === 'tr') { + if (!processedPos) { + currentTransform = this.createTransformElement(arr[i]); + itemsData[i] = currentTransform; + } + ownTransforms.push(itemsData[i]); + this.addTransformToStyleList(itemsData[i]); + } else if (arr[i].ty === 'sh' || arr[i].ty === 'rc' || arr[i].ty === 'el' || arr[i].ty === 'sr') { + if (!processedPos) { + itemsData[i] = this.createShapeElement(arr[i]); + } + } else if (arr[i].ty === 'tm' || arr[i].ty === 'rd' || arr[i].ty === 'pb') { + if (!processedPos) { + modifier = ShapeModifiers.getModifier(arr[i].ty); + modifier.init(this, arr[i]); + itemsData[i] = modifier; + this.shapeModifiers.push(modifier); + } else { + modifier = itemsData[i]; + modifier.closed = false; + } + ownModifiers.push(modifier); + } else if (arr[i].ty === 'rp') { + if (!processedPos) { + modifier = ShapeModifiers.getModifier(arr[i].ty); + itemsData[i] = modifier; + modifier.init(this, arr, i, itemsData); + this.shapeModifiers.push(modifier); + shouldRender = false; + } else { + modifier = itemsData[i]; + modifier.closed = true; + } + ownModifiers.push(modifier); + } + this.addProcessedElement(arr[i], i + 1); + } + this.removeTransformFromStyleList(); + this.closeStyles(ownStyles); + len = ownModifiers.length; + for (i = 0; i < len; i += 1) { + ownModifiers[i].closed = true; + } +}; + +CVShapeElement.prototype.renderInnerContent = function () { + this.transformHelper.opacity = 1; + this.transformHelper._opMdf = false; + this.renderModifiers(); + this.transformsManager.processSequences(this._isFirstFrame); + this.renderShape(this.transformHelper, this.shapesData, this.itemsData, true); +}; + +CVShapeElement.prototype.renderShapeTransform = function (parentTransform, groupTransform) { + if (parentTransform._opMdf || groupTransform.op._mdf || this._isFirstFrame) { + groupTransform.opacity = parentTransform.opacity; + groupTransform.opacity *= groupTransform.op.v; + groupTransform._opMdf = true; + } +}; + +CVShapeElement.prototype.drawLayer = function () { + var i; + var len = this.stylesList.length; + var j; + var jLen; + var k; + var kLen; + var elems; + var nodes; + var renderer = this.globalData.renderer; + var ctx = this.globalData.canvasContext; + var type; + var currentStyle; + for (i = 0; i < len; i += 1) { + currentStyle = this.stylesList[i]; + type = currentStyle.type; + + // Skipping style when + // Stroke width equals 0 + // style should not be rendered (extra unused repeaters) + // current opacity equals 0 + // global opacity equals 0 + if (!(((type === 'st' || type === 'gs') && currentStyle.wi === 0) || !currentStyle.data._shouldRender || currentStyle.coOp === 0 || this.globalData.currentGlobalAlpha === 0)) { + renderer.save(); + elems = currentStyle.elements; + if (type === 'st' || type === 'gs') { + ctx.strokeStyle = type === 'st' ? currentStyle.co : currentStyle.grd; + ctx.lineWidth = currentStyle.wi; + ctx.lineCap = currentStyle.lc; + ctx.lineJoin = currentStyle.lj; + ctx.miterLimit = currentStyle.ml || 0; + } else { + ctx.fillStyle = type === 'fl' ? currentStyle.co : currentStyle.grd; + } + renderer.ctxOpacity(currentStyle.coOp); + if (type !== 'st' && type !== 'gs') { + ctx.beginPath(); + } + renderer.ctxTransform(currentStyle.preTransforms.finalTransform.props); + jLen = elems.length; + for (j = 0; j < jLen; j += 1) { + if (type === 'st' || type === 'gs') { + ctx.beginPath(); + if (currentStyle.da) { + ctx.setLineDash(currentStyle.da); + ctx.lineDashOffset = currentStyle.do; + } + } + nodes = elems[j].trNodes; + kLen = nodes.length; + + for (k = 0; k < kLen; k += 1) { + if (nodes[k].t === 'm') { + ctx.moveTo(nodes[k].p[0], nodes[k].p[1]); + } else if (nodes[k].t === 'c') { + ctx.bezierCurveTo(nodes[k].pts[0], nodes[k].pts[1], nodes[k].pts[2], nodes[k].pts[3], nodes[k].pts[4], nodes[k].pts[5]); + } else { + ctx.closePath(); + } + } + if (type === 'st' || type === 'gs') { + ctx.stroke(); + if (currentStyle.da) { + ctx.setLineDash(this.dashResetter); + } + } + } + if (type !== 'st' && type !== 'gs') { + ctx.fill(currentStyle.r); + } + renderer.restore(); + } + } +}; + +CVShapeElement.prototype.renderShape = function (parentTransform, items, data, isMain) { + var i; + var len = items.length - 1; + var groupTransform; + groupTransform = parentTransform; + for (i = len; i >= 0; i -= 1) { + if (items[i].ty === 'tr') { + groupTransform = data[i].transform; + this.renderShapeTransform(parentTransform, groupTransform); + } else if (items[i].ty === 'sh' || items[i].ty === 'el' || items[i].ty === 'rc' || items[i].ty === 'sr') { + this.renderPath(items[i], data[i]); + } else if (items[i].ty === 'fl') { + this.renderFill(items[i], data[i], groupTransform); + } else if (items[i].ty === 'st') { + this.renderStroke(items[i], data[i], groupTransform); + } else if (items[i].ty === 'gf' || items[i].ty === 'gs') { + this.renderGradientFill(items[i], data[i], groupTransform); + } else if (items[i].ty === 'gr') { + this.renderShape(groupTransform, items[i].it, data[i].it); + } else if (items[i].ty === 'tm') { + // + } + } + if (isMain) { + this.drawLayer(); + } +}; + +CVShapeElement.prototype.renderStyledShape = function (styledShape, shape) { + if (this._isFirstFrame || shape._mdf || styledShape.transforms._mdf) { + var shapeNodes = styledShape.trNodes; + var paths = shape.paths; + var i; + var len; + var j; + var jLen = paths._length; + shapeNodes.length = 0; + var groupTransformMat = styledShape.transforms.finalTransform; + for (j = 0; j < jLen; j += 1) { + var pathNodes = paths.shapes[j]; + if (pathNodes && pathNodes.v) { + len = pathNodes._length; + for (i = 1; i < len; i += 1) { + if (i === 1) { + shapeNodes.push({ + t: 'm', + p: groupTransformMat.applyToPointArray(pathNodes.v[0][0], pathNodes.v[0][1], 0), + }); + } + shapeNodes.push({ + t: 'c', + pts: groupTransformMat.applyToTriplePoints(pathNodes.o[i - 1], pathNodes.i[i], pathNodes.v[i]), + }); + } + if (len === 1) { + shapeNodes.push({ + t: 'm', + p: groupTransformMat.applyToPointArray(pathNodes.v[0][0], pathNodes.v[0][1], 0), + }); + } + if (pathNodes.c && len) { + shapeNodes.push({ + t: 'c', + pts: groupTransformMat.applyToTriplePoints(pathNodes.o[i - 1], pathNodes.i[0], pathNodes.v[0]), + }); + shapeNodes.push({ + t: 'z', + }); + } + } + } + styledShape.trNodes = shapeNodes; + } +}; + +CVShapeElement.prototype.renderPath = function (pathData, itemData) { + if (pathData.hd !== true && pathData._shouldRender) { + var i; + var len = itemData.styledShapes.length; + for (i = 0; i < len; i += 1) { + this.renderStyledShape(itemData.styledShapes[i], itemData.sh); + } + } +}; + +CVShapeElement.prototype.renderFill = function (styleData, itemData, groupTransform) { + var styleElem = itemData.style; + + if (itemData.c._mdf || this._isFirstFrame) { + styleElem.co = 'rgb(' + + bmFloor(itemData.c.v[0]) + ',' + + bmFloor(itemData.c.v[1]) + ',' + + bmFloor(itemData.c.v[2]) + ')'; + } + if (itemData.o._mdf || groupTransform._opMdf || this._isFirstFrame) { + styleElem.coOp = itemData.o.v * groupTransform.opacity; + } +}; + +CVShapeElement.prototype.renderGradientFill = function (styleData, itemData, groupTransform) { + var styleElem = itemData.style; + var grd; + if (!styleElem.grd || itemData.g._mdf || itemData.s._mdf || itemData.e._mdf || (styleData.t !== 1 && (itemData.h._mdf || itemData.a._mdf))) { + var ctx = this.globalData.canvasContext; + var pt1 = itemData.s.v; + var pt2 = itemData.e.v; + if (styleData.t === 1) { + grd = ctx.createLinearGradient(pt1[0], pt1[1], pt2[0], pt2[1]); + } else { + var rad = Math.sqrt(Math.pow(pt1[0] - pt2[0], 2) + Math.pow(pt1[1] - pt2[1], 2)); + var ang = Math.atan2(pt2[1] - pt1[1], pt2[0] - pt1[0]); + + var percent = itemData.h.v; + if (percent >= 1) { + percent = 0.99; + } else if (percent <= -1) { + percent = -0.99; + } + var dist = rad * percent; + var x = Math.cos(ang + itemData.a.v) * dist + pt1[0]; + var y = Math.sin(ang + itemData.a.v) * dist + pt1[1]; + grd = ctx.createRadialGradient(x, y, 0, pt1[0], pt1[1], rad); + } + + var i; + var len = styleData.g.p; + var cValues = itemData.g.c; + var opacity = 1; + + for (i = 0; i < len; i += 1) { + if (itemData.g._hasOpacity && itemData.g._collapsable) { + opacity = itemData.g.o[i * 2 + 1]; + } + grd.addColorStop(cValues[i * 4] / 100, 'rgba(' + cValues[i * 4 + 1] + ',' + cValues[i * 4 + 2] + ',' + cValues[i * 4 + 3] + ',' + opacity + ')'); + } + styleElem.grd = grd; + } + styleElem.coOp = itemData.o.v * groupTransform.opacity; +}; + +CVShapeElement.prototype.renderStroke = function (styleData, itemData, groupTransform) { + var styleElem = itemData.style; + var d = itemData.d; + if (d && (d._mdf || this._isFirstFrame)) { + styleElem.da = d.dashArray; + styleElem.do = d.dashoffset[0]; + } + if (itemData.c._mdf || this._isFirstFrame) { + styleElem.co = 'rgb(' + bmFloor(itemData.c.v[0]) + ',' + bmFloor(itemData.c.v[1]) + ',' + bmFloor(itemData.c.v[2]) + ')'; + } + if (itemData.o._mdf || groupTransform._opMdf || this._isFirstFrame) { + styleElem.coOp = itemData.o.v * groupTransform.opacity; + } + if (itemData.w._mdf || this._isFirstFrame) { + styleElem.wi = itemData.w.v; + } +}; + +CVShapeElement.prototype.destroy = function () { + this.shapesData = null; + this.globalData = null; + this.canvasContext = null; + this.stylesList.length = 0; + this.itemsData.length = 0; +}; + +function CVTextElement(data, globalData, comp) { + this.textSpans = []; + this.yOffset = 0; + this.fillColorAnim = false; + this.strokeColorAnim = false; + this.strokeWidthAnim = false; + this.stroke = false; + this.fill = false; + this.justifyOffset = 0; + this.currentRender = null; + this.renderType = 'canvas'; + this.values = { + fill: 'rgba(0,0,0,0)', + stroke: 'rgba(0,0,0,0)', + sWidth: 0, + fValue: '', + }; + this.initElement(data, globalData, comp); +} +extendPrototype([BaseElement, TransformElement, CVBaseElement, HierarchyElement, FrameElement, RenderableElement, ITextElement], CVTextElement); + +CVTextElement.prototype.tHelper = createTag('canvas').getContext('2d'); + +CVTextElement.prototype.buildNewText = function () { + var documentData = this.textProperty.currentData; + this.renderedLetters = createSizedArray(documentData.l ? documentData.l.length : 0); + + var hasFill = false; + if (documentData.fc) { + hasFill = true; + this.values.fill = this.buildColor(documentData.fc); + } else { + this.values.fill = 'rgba(0,0,0,0)'; + } + this.fill = hasFill; + var hasStroke = false; + if (documentData.sc) { + hasStroke = true; + this.values.stroke = this.buildColor(documentData.sc); + this.values.sWidth = documentData.sw; + } + var fontData = this.globalData.fontManager.getFontByName(documentData.f); + var i; + var len; + var letters = documentData.l; + var matrixHelper = this.mHelper; + this.stroke = hasStroke; + this.values.fValue = documentData.finalSize + 'px ' + this.globalData.fontManager.getFontByName(documentData.f).fFamily; + len = documentData.finalText.length; + // this.tHelper.font = this.values.fValue; + var charData; + var shapeData; + var k; + var kLen; + var shapes; + var j; + var jLen; + var pathNodes; + var commands; + var pathArr; + var singleShape = this.data.singleShape; + var trackingOffset = documentData.tr * 0.001 * documentData.finalSize; + var xPos = 0; + var yPos = 0; + var firstLine = true; + var cnt = 0; + for (i = 0; i < len; i += 1) { + charData = this.globalData.fontManager.getCharData(documentData.finalText[i], fontData.fStyle, this.globalData.fontManager.getFontByName(documentData.f).fFamily); + shapeData = (charData && charData.data) || {}; + matrixHelper.reset(); + if (singleShape && letters[i].n) { + xPos = -trackingOffset; + yPos += documentData.yOffset; + yPos += firstLine ? 1 : 0; + firstLine = false; + } + shapes = shapeData.shapes ? shapeData.shapes[0].it : []; + jLen = shapes.length; + matrixHelper.scale(documentData.finalSize / 100, documentData.finalSize / 100); + if (singleShape) { + this.applyTextPropertiesToMatrix(documentData, matrixHelper, letters[i].line, xPos, yPos); + } + commands = createSizedArray(jLen - 1); + var commandsCounter = 0; + for (j = 0; j < jLen; j += 1) { + if (shapes[j].ty === 'sh') { + kLen = shapes[j].ks.k.i.length; + pathNodes = shapes[j].ks.k; + pathArr = []; + for (k = 1; k < kLen; k += 1) { + if (k === 1) { + pathArr.push(matrixHelper.applyToX(pathNodes.v[0][0], pathNodes.v[0][1], 0), matrixHelper.applyToY(pathNodes.v[0][0], pathNodes.v[0][1], 0)); + } + pathArr.push(matrixHelper.applyToX(pathNodes.o[k - 1][0], pathNodes.o[k - 1][1], 0), matrixHelper.applyToY(pathNodes.o[k - 1][0], pathNodes.o[k - 1][1], 0), matrixHelper.applyToX(pathNodes.i[k][0], pathNodes.i[k][1], 0), matrixHelper.applyToY(pathNodes.i[k][0], pathNodes.i[k][1], 0), matrixHelper.applyToX(pathNodes.v[k][0], pathNodes.v[k][1], 0), matrixHelper.applyToY(pathNodes.v[k][0], pathNodes.v[k][1], 0)); + } + pathArr.push(matrixHelper.applyToX(pathNodes.o[k - 1][0], pathNodes.o[k - 1][1], 0), matrixHelper.applyToY(pathNodes.o[k - 1][0], pathNodes.o[k - 1][1], 0), matrixHelper.applyToX(pathNodes.i[0][0], pathNodes.i[0][1], 0), matrixHelper.applyToY(pathNodes.i[0][0], pathNodes.i[0][1], 0), matrixHelper.applyToX(pathNodes.v[0][0], pathNodes.v[0][1], 0), matrixHelper.applyToY(pathNodes.v[0][0], pathNodes.v[0][1], 0)); + commands[commandsCounter] = pathArr; + commandsCounter += 1; + } + } + if (singleShape) { + xPos += letters[i].l; + xPos += trackingOffset; + } + if (this.textSpans[cnt]) { + this.textSpans[cnt].elem = commands; + } else { + this.textSpans[cnt] = { elem: commands }; + } + cnt += 1; + } +}; + +CVTextElement.prototype.renderInnerContent = function () { + var ctx = this.canvasContext; + ctx.font = this.values.fValue; + ctx.lineCap = 'butt'; + ctx.lineJoin = 'miter'; + ctx.miterLimit = 4; + + if (!this.data.singleShape) { + this.textAnimator.getMeasures(this.textProperty.currentData, this.lettersChangedFlag); + } + + var i; + var len; + var j; + var jLen; + var k; + var kLen; + var renderedLetters = this.textAnimator.renderedLetters; + + var letters = this.textProperty.currentData.l; + + len = letters.length; + var renderedLetter; + var lastFill = null; + var lastStroke = null; + var lastStrokeW = null; + var commands; + var pathArr; + for (i = 0; i < len; i += 1) { + if (!letters[i].n) { + renderedLetter = renderedLetters[i]; + if (renderedLetter) { + this.globalData.renderer.save(); + this.globalData.renderer.ctxTransform(renderedLetter.p); + this.globalData.renderer.ctxOpacity(renderedLetter.o); + } + if (this.fill) { + if (renderedLetter && renderedLetter.fc) { + if (lastFill !== renderedLetter.fc) { + lastFill = renderedLetter.fc; + ctx.fillStyle = renderedLetter.fc; + } + } else if (lastFill !== this.values.fill) { + lastFill = this.values.fill; + ctx.fillStyle = this.values.fill; + } + commands = this.textSpans[i].elem; + jLen = commands.length; + this.globalData.canvasContext.beginPath(); + for (j = 0; j < jLen; j += 1) { + pathArr = commands[j]; + kLen = pathArr.length; + this.globalData.canvasContext.moveTo(pathArr[0], pathArr[1]); + for (k = 2; k < kLen; k += 6) { + this.globalData.canvasContext.bezierCurveTo(pathArr[k], pathArr[k + 1], pathArr[k + 2], pathArr[k + 3], pathArr[k + 4], pathArr[k + 5]); + } + } + this.globalData.canvasContext.closePath(); + this.globalData.canvasContext.fill(); + /// ctx.fillText(this.textSpans[i].val,0,0); + } + if (this.stroke) { + if (renderedLetter && renderedLetter.sw) { + if (lastStrokeW !== renderedLetter.sw) { + lastStrokeW = renderedLetter.sw; + ctx.lineWidth = renderedLetter.sw; + } + } else if (lastStrokeW !== this.values.sWidth) { + lastStrokeW = this.values.sWidth; + ctx.lineWidth = this.values.sWidth; + } + if (renderedLetter && renderedLetter.sc) { + if (lastStroke !== renderedLetter.sc) { + lastStroke = renderedLetter.sc; + ctx.strokeStyle = renderedLetter.sc; + } + } else if (lastStroke !== this.values.stroke) { + lastStroke = this.values.stroke; + ctx.strokeStyle = this.values.stroke; + } + commands = this.textSpans[i].elem; + jLen = commands.length; + this.globalData.canvasContext.beginPath(); + for (j = 0; j < jLen; j += 1) { + pathArr = commands[j]; + kLen = pathArr.length; + this.globalData.canvasContext.moveTo(pathArr[0], pathArr[1]); + for (k = 2; k < kLen; k += 6) { + this.globalData.canvasContext.bezierCurveTo(pathArr[k], pathArr[k + 1], pathArr[k + 2], pathArr[k + 3], pathArr[k + 4], pathArr[k + 5]); + } + } + this.globalData.canvasContext.closePath(); + this.globalData.canvasContext.stroke(); + /// ctx.strokeText(letters[i].val,0,0); + } + if (renderedLetter) { + this.globalData.renderer.restore(); + } + } + } +}; + +function CVImageElement(data, globalData, comp) { + this.assetData = globalData.getAssetData(data.refId); + this.img = globalData.imageLoader.getAsset(this.assetData); + this.initElement(data, globalData, comp); +} +extendPrototype([BaseElement, TransformElement, CVBaseElement, HierarchyElement, FrameElement, RenderableElement], CVImageElement); + +CVImageElement.prototype.initElement = SVGShapeElement.prototype.initElement; +CVImageElement.prototype.prepareFrame = IImageElement.prototype.prepareFrame; + +CVImageElement.prototype.createContent = function () { + if (this.img.width && (this.assetData.w !== this.img.width || this.assetData.h !== this.img.height)) { + var canvas = createTag('canvas'); + canvas.width = this.assetData.w; + canvas.height = this.assetData.h; + var ctx = canvas.getContext('2d'); + + var imgW = this.img.width; + var imgH = this.img.height; + var imgRel = imgW / imgH; + var canvasRel = this.assetData.w / this.assetData.h; + var widthCrop; + var heightCrop; + var par = this.assetData.pr || this.globalData.renderConfig.imagePreserveAspectRatio; + if ((imgRel > canvasRel && par === 'xMidYMid slice') || (imgRel < canvasRel && par !== 'xMidYMid slice')) { + heightCrop = imgH; + widthCrop = heightCrop * canvasRel; + } else { + widthCrop = imgW; + heightCrop = widthCrop / canvasRel; + } + ctx.drawImage(this.img, (imgW - widthCrop) / 2, (imgH - heightCrop) / 2, widthCrop, heightCrop, 0, 0, this.assetData.w, this.assetData.h); + this.img = canvas; + } +}; + +CVImageElement.prototype.renderInnerContent = function () { + this.canvasContext.drawImage(this.img, 0, 0); +}; + +CVImageElement.prototype.destroy = function () { + this.img = null; +}; + +function CVSolidElement(data, globalData, comp) { + this.initElement(data, globalData, comp); +} +extendPrototype([BaseElement, TransformElement, CVBaseElement, HierarchyElement, FrameElement, RenderableElement], CVSolidElement); + +CVSolidElement.prototype.initElement = SVGShapeElement.prototype.initElement; +CVSolidElement.prototype.prepareFrame = IImageElement.prototype.prepareFrame; + +CVSolidElement.prototype.renderInnerContent = function () { + var ctx = this.canvasContext; + ctx.fillStyle = this.data.sc; + ctx.fillRect(0, 0, this.data.sw, this.data.sh); + // +}; + +function CanvasRendererBase(animationItem, config) { + this.animationItem = animationItem; + this.renderConfig = { + clearCanvas: (config && config.clearCanvas !== undefined) ? config.clearCanvas : true, + context: (config && config.context) || null, + progressiveLoad: (config && config.progressiveLoad) || false, + preserveAspectRatio: (config && config.preserveAspectRatio) || 'xMidYMid meet', + imagePreserveAspectRatio: (config && config.imagePreserveAspectRatio) || 'xMidYMid slice', + contentVisibility: (config && config.contentVisibility) || 'visible', + className: (config && config.className) || '', + id: (config && config.id) || '', + }; + this.renderConfig.dpr = (config && config.dpr) || 1; + if (this.animationItem.wrapper) { + this.renderConfig.dpr = (config && config.dpr) || window.devicePixelRatio || 1; + } + this.renderedFrame = -1; + this.globalData = { + frameNum: -1, + _mdf: false, + renderConfig: this.renderConfig, + currentGlobalAlpha: -1, + }; + this.contextData = new CVContextData(); + this.elements = []; + this.pendingElements = []; + this.transformMat = new Matrix(); + this.completeLayers = false; + this.rendererType = 'canvas'; +} +extendPrototype([BaseRenderer], CanvasRendererBase); + +CanvasRendererBase.prototype.createShape = function (data) { + return new CVShapeElement(data, this.globalData, this); +}; + +CanvasRendererBase.prototype.createText = function (data) { + return new CVTextElement(data, this.globalData, this); +}; + +CanvasRendererBase.prototype.createImage = function (data) { + return new CVImageElement(data, this.globalData, this); +}; + +CanvasRendererBase.prototype.createSolid = function (data) { + return new CVSolidElement(data, this.globalData, this); +}; + +CanvasRendererBase.prototype.createNull = SVGRenderer.prototype.createNull; + +CanvasRendererBase.prototype.ctxTransform = function (props) { + if (props[0] === 1 && props[1] === 0 && props[4] === 0 && props[5] === 1 && props[12] === 0 && props[13] === 0) { + return; + } + if (!this.renderConfig.clearCanvas) { + this.canvasContext.transform(props[0], props[1], props[4], props[5], props[12], props[13]); + return; + } + this.transformMat.cloneFromProps(props); + var cProps = this.contextData.cTr.props; + this.transformMat.transform(cProps[0], cProps[1], cProps[2], cProps[3], cProps[4], cProps[5], cProps[6], cProps[7], cProps[8], cProps[9], cProps[10], cProps[11], cProps[12], cProps[13], cProps[14], cProps[15]); + // this.contextData.cTr.transform(props[0],props[1],props[2],props[3],props[4],props[5],props[6],props[7],props[8],props[9],props[10],props[11],props[12],props[13],props[14],props[15]); + this.contextData.cTr.cloneFromProps(this.transformMat.props); + var trProps = this.contextData.cTr.props; + this.canvasContext.setTransform(trProps[0], trProps[1], trProps[4], trProps[5], trProps[12], trProps[13]); +}; + +CanvasRendererBase.prototype.ctxOpacity = function (op) { + /* if(op === 1){ + return; + } */ + if (!this.renderConfig.clearCanvas) { + this.canvasContext.globalAlpha *= op < 0 ? 0 : op; + this.globalData.currentGlobalAlpha = this.contextData.cO; + return; + } + this.contextData.cO *= op < 0 ? 0 : op; + if (this.globalData.currentGlobalAlpha !== this.contextData.cO) { + this.canvasContext.globalAlpha = this.contextData.cO; + this.globalData.currentGlobalAlpha = this.contextData.cO; + } +}; + +CanvasRendererBase.prototype.reset = function () { + if (!this.renderConfig.clearCanvas) { + this.canvasContext.restore(); + return; + } + this.contextData.reset(); +}; + +CanvasRendererBase.prototype.save = function (actionFlag) { + if (!this.renderConfig.clearCanvas) { + this.canvasContext.save(); + return; + } + if (actionFlag) { + this.canvasContext.save(); + } + var props = this.contextData.cTr.props; + if (this.contextData._length <= this.contextData.cArrPos) { + this.contextData.duplicate(); + } + var i; + var arr = this.contextData.saved[this.contextData.cArrPos]; + for (i = 0; i < 16; i += 1) { + arr[i] = props[i]; + } + this.contextData.savedOp[this.contextData.cArrPos] = this.contextData.cO; + this.contextData.cArrPos += 1; +}; + +CanvasRendererBase.prototype.restore = function (actionFlag) { + if (!this.renderConfig.clearCanvas) { + this.canvasContext.restore(); + return; + } + if (actionFlag) { + this.canvasContext.restore(); + this.globalData.blendMode = 'source-over'; + } + this.contextData.cArrPos -= 1; + var popped = this.contextData.saved[this.contextData.cArrPos]; + var i; + var arr = this.contextData.cTr.props; + for (i = 0; i < 16; i += 1) { + arr[i] = popped[i]; + } + this.canvasContext.setTransform(popped[0], popped[1], popped[4], popped[5], popped[12], popped[13]); + popped = this.contextData.savedOp[this.contextData.cArrPos]; + this.contextData.cO = popped; + if (this.globalData.currentGlobalAlpha !== popped) { + this.canvasContext.globalAlpha = popped; + this.globalData.currentGlobalAlpha = popped; + } +}; + +CanvasRendererBase.prototype.configAnimation = function (animData) { + if (this.animationItem.wrapper) { + this.animationItem.container = createTag('canvas'); + var containerStyle = this.animationItem.container.style; + containerStyle.width = '100%'; + containerStyle.height = '100%'; + var origin = '0px 0px 0px'; + containerStyle.transformOrigin = origin; + containerStyle.mozTransformOrigin = origin; + containerStyle.webkitTransformOrigin = origin; + containerStyle['-webkit-transform'] = origin; + containerStyle.contentVisibility = this.renderConfig.contentVisibility; + this.animationItem.wrapper.appendChild(this.animationItem.container); + this.canvasContext = this.animationItem.container.getContext('2d'); + if (this.renderConfig.className) { + this.animationItem.container.setAttribute('class', this.renderConfig.className); + } + if (this.renderConfig.id) { + this.animationItem.container.setAttribute('id', this.renderConfig.id); + } + } else { + this.canvasContext = this.renderConfig.context; + } + this.data = animData; + this.layers = animData.layers; + this.transformCanvas = { + w: animData.w, + h: animData.h, + sx: 0, + sy: 0, + tx: 0, + ty: 0, + }; + this.setupGlobalData(animData, document.body); + this.globalData.canvasContext = this.canvasContext; + this.globalData.renderer = this; + this.globalData.isDashed = false; + this.globalData.progressiveLoad = this.renderConfig.progressiveLoad; + this.globalData.transformCanvas = this.transformCanvas; + this.elements = createSizedArray(animData.layers.length); + + this.updateContainerSize(); +}; + +CanvasRendererBase.prototype.updateContainerSize = function () { + this.reset(); + var elementWidth; + var elementHeight; + if (this.animationItem.wrapper && this.animationItem.container) { + elementWidth = this.animationItem.wrapper.offsetWidth; + elementHeight = this.animationItem.wrapper.offsetHeight; + this.animationItem.container.setAttribute('width', elementWidth * this.renderConfig.dpr); + this.animationItem.container.setAttribute('height', elementHeight * this.renderConfig.dpr); + } else { + elementWidth = this.canvasContext.canvas.width * this.renderConfig.dpr; + elementHeight = this.canvasContext.canvas.height * this.renderConfig.dpr; + } + var elementRel; + var animationRel; + if (this.renderConfig.preserveAspectRatio.indexOf('meet') !== -1 || this.renderConfig.preserveAspectRatio.indexOf('slice') !== -1) { + var par = this.renderConfig.preserveAspectRatio.split(' '); + var fillType = par[1] || 'meet'; + var pos = par[0] || 'xMidYMid'; + var xPos = pos.substr(0, 4); + var yPos = pos.substr(4); + elementRel = elementWidth / elementHeight; + animationRel = this.transformCanvas.w / this.transformCanvas.h; + if ((animationRel > elementRel && fillType === 'meet') || (animationRel < elementRel && fillType === 'slice')) { + this.transformCanvas.sx = elementWidth / (this.transformCanvas.w / this.renderConfig.dpr); + this.transformCanvas.sy = elementWidth / (this.transformCanvas.w / this.renderConfig.dpr); + } else { + this.transformCanvas.sx = elementHeight / (this.transformCanvas.h / this.renderConfig.dpr); + this.transformCanvas.sy = elementHeight / (this.transformCanvas.h / this.renderConfig.dpr); + } + + if (xPos === 'xMid' && ((animationRel < elementRel && fillType === 'meet') || (animationRel > elementRel && fillType === 'slice'))) { + this.transformCanvas.tx = ((elementWidth - this.transformCanvas.w * (elementHeight / this.transformCanvas.h)) / 2) * this.renderConfig.dpr; + } else if (xPos === 'xMax' && ((animationRel < elementRel && fillType === 'meet') || (animationRel > elementRel && fillType === 'slice'))) { + this.transformCanvas.tx = (elementWidth - this.transformCanvas.w * (elementHeight / this.transformCanvas.h)) * this.renderConfig.dpr; + } else { + this.transformCanvas.tx = 0; + } + if (yPos === 'YMid' && ((animationRel > elementRel && fillType === 'meet') || (animationRel < elementRel && fillType === 'slice'))) { + this.transformCanvas.ty = ((elementHeight - this.transformCanvas.h * (elementWidth / this.transformCanvas.w)) / 2) * this.renderConfig.dpr; + } else if (yPos === 'YMax' && ((animationRel > elementRel && fillType === 'meet') || (animationRel < elementRel && fillType === 'slice'))) { + this.transformCanvas.ty = ((elementHeight - this.transformCanvas.h * (elementWidth / this.transformCanvas.w))) * this.renderConfig.dpr; + } else { + this.transformCanvas.ty = 0; + } + } else if (this.renderConfig.preserveAspectRatio === 'none') { + this.transformCanvas.sx = elementWidth / (this.transformCanvas.w / this.renderConfig.dpr); + this.transformCanvas.sy = elementHeight / (this.transformCanvas.h / this.renderConfig.dpr); + this.transformCanvas.tx = 0; + this.transformCanvas.ty = 0; + } else { + this.transformCanvas.sx = this.renderConfig.dpr; + this.transformCanvas.sy = this.renderConfig.dpr; + this.transformCanvas.tx = 0; + this.transformCanvas.ty = 0; + } + this.transformCanvas.props = [this.transformCanvas.sx, 0, 0, 0, 0, this.transformCanvas.sy, 0, 0, 0, 0, 1, 0, this.transformCanvas.tx, this.transformCanvas.ty, 0, 1]; + /* var i, len = this.elements.length; + for(i=0;i= 0; i -= 1) { + if (this.elements[i]) { + this.elements[i].destroy(); + } + } + this.elements.length = 0; + this.globalData.canvasContext = null; + this.animationItem.container = null; + this.destroyed = true; +}; + +CanvasRendererBase.prototype.renderFrame = function (num, forceRender) { + if ((this.renderedFrame === num && this.renderConfig.clearCanvas === true && !forceRender) || this.destroyed || num === -1) { + return; + } + this.renderedFrame = num; + this.globalData.frameNum = num - this.animationItem._isFirstFrame; + this.globalData.frameId += 1; + this.globalData._mdf = !this.renderConfig.clearCanvas || forceRender; + this.globalData.projectInterface.currentFrame = num; + + // console.log('--------'); + // console.log('NEW: ',num); + var i; + var len = this.layers.length; + if (!this.completeLayers) { + this.checkLayers(num); + } + + for (i = 0; i < len; i += 1) { + if (this.completeLayers || this.elements[i]) { + this.elements[i].prepareFrame(num - this.layers[i].st); + } + } + if (this.globalData._mdf) { + if (this.renderConfig.clearCanvas === true) { + this.canvasContext.clearRect(0, 0, this.transformCanvas.w, this.transformCanvas.h); + } else { + this.save(); + } + for (i = len - 1; i >= 0; i -= 1) { + if (this.completeLayers || this.elements[i]) { + this.elements[i].renderFrame(); + } + } + if (this.renderConfig.clearCanvas !== true) { + this.restore(); + } + } +}; + +CanvasRendererBase.prototype.buildItem = function (pos) { + var elements = this.elements; + if (elements[pos] || this.layers[pos].ty === 99) { + return; + } + var element = this.createItem(this.layers[pos], this, this.globalData); + elements[pos] = element; + element.initExpressions(); + /* if(this.layers[pos].ty === 0){ + element.resize(this.globalData.transformCanvas); + } */ +}; + +CanvasRendererBase.prototype.checkPendingElements = function () { + while (this.pendingElements.length) { + var element = this.pendingElements.pop(); + element.checkParenting(); + } +}; + +CanvasRendererBase.prototype.hide = function () { + this.animationItem.container.style.display = 'none'; +}; + +CanvasRendererBase.prototype.show = function () { + this.animationItem.container.style.display = 'block'; +}; + +function CVCompElement(data, globalData, comp) { + this.completeLayers = false; + this.layers = data.layers; + this.pendingElements = []; + this.elements = createSizedArray(this.layers.length); + this.initElement(data, globalData, comp); + this.tm = data.tm ? PropertyFactory.getProp(this, data.tm, 0, globalData.frameRate, this) : { _placeholder: true }; +} + +extendPrototype([CanvasRendererBase, ICompElement, CVBaseElement], CVCompElement); + +CVCompElement.prototype.renderInnerContent = function () { + var ctx = this.canvasContext; + ctx.beginPath(); + ctx.moveTo(0, 0); + ctx.lineTo(this.data.w, 0); + ctx.lineTo(this.data.w, this.data.h); + ctx.lineTo(0, this.data.h); + ctx.lineTo(0, 0); + ctx.clip(); + var i; + var len = this.layers.length; + for (i = len - 1; i >= 0; i -= 1) { + if (this.completeLayers || this.elements[i]) { + this.elements[i].renderFrame(); + } + } +}; + +CVCompElement.prototype.destroy = function () { + var i; + var len = this.layers.length; + for (i = len - 1; i >= 0; i -= 1) { + if (this.elements[i]) { + this.elements[i].destroy(); + } + } + this.layers = null; + this.elements = null; +}; + +CVCompElement.prototype.createComp = function (data) { + return new CVCompElement(data, this.globalData, this); +}; + +function CanvasRenderer(animationItem, config) { + this.animationItem = animationItem; + this.renderConfig = { + clearCanvas: (config && config.clearCanvas !== undefined) ? config.clearCanvas : true, + context: (config && config.context) || null, + progressiveLoad: (config && config.progressiveLoad) || false, + preserveAspectRatio: (config && config.preserveAspectRatio) || 'xMidYMid meet', + imagePreserveAspectRatio: (config && config.imagePreserveAspectRatio) || 'xMidYMid slice', + contentVisibility: (config && config.contentVisibility) || 'visible', + className: (config && config.className) || '', + id: (config && config.id) || '', + }; + this.renderConfig.dpr = (config && config.dpr) || 1; + if (this.animationItem.wrapper) { + this.renderConfig.dpr = (config && config.dpr) || window.devicePixelRatio || 1; + } + this.renderedFrame = -1; + this.globalData = { + frameNum: -1, + _mdf: false, + renderConfig: this.renderConfig, + currentGlobalAlpha: -1, + }; + this.contextData = new CVContextData(); + this.elements = []; + this.pendingElements = []; + this.transformMat = new Matrix(); + this.completeLayers = false; + this.rendererType = 'canvas'; +} +extendPrototype([CanvasRendererBase], CanvasRenderer); + +CanvasRenderer.prototype.createComp = function (data) { + return new CVCompElement(data, this.globalData, this); +}; + +// Registering renderers +registerRenderer('canvas', CanvasRenderer); + +// Registering shape modifiers +ShapeModifiers.registerModifier('tm', TrimModifier); +ShapeModifiers.registerModifier('pb', PuckerAndBloatModifier); +ShapeModifiers.registerModifier('rp', RepeaterModifier); +ShapeModifiers.registerModifier('rd', RoundCornersModifier); + +const Expressions = (function () { + var ob = {}; + ob.initExpressions = initExpressions; + + function initExpressions(animation) { + var stackCount = 0; + var registers = []; + + function pushExpression() { + stackCount += 1; + } + + function popExpression() { + stackCount -= 1; + if (stackCount === 0) { + releaseInstances(); + } + } + + function registerExpressionProperty(expression) { + if (registers.indexOf(expression) === -1) { + registers.push(expression); + } + } + + function releaseInstances() { + var i; + var len = registers.length; + for (i = 0; i < len; i += 1) { + registers[i].release(); + } + registers.length = 0; + } + + animation.renderer.compInterface = CompExpressionInterface(animation.renderer); + animation.renderer.globalData.projectInterface.registerComposition(animation.renderer); + animation.renderer.globalData.pushExpression = pushExpression; + animation.renderer.globalData.popExpression = popExpression; + animation.renderer.globalData.registerExpressionProperty = registerExpressionProperty; + } + return ob; +}()); + +/* eslint-disable */ +/* + Copyright 2014 David Bau. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + */ + +function seedRandom(pool, math) { +// +// The following constants are related to IEEE 754 limits. +// + var global = this, + width = 256, // each RC4 output is 0 <= x < 256 + chunks = 6, // at least six RC4 outputs for each double + digits = 52, // there are 52 significant digits in a double + rngname = 'random', // rngname: name for Math.random and Math.seedrandom + startdenom = math.pow(width, chunks), + significance = math.pow(2, digits), + overflow = significance * 2, + mask = width - 1, + nodecrypto; // node.js crypto module, initialized at the bottom. + +// +// seedrandom() +// This is the seedrandom function described above. +// + function seedrandom(seed, options, callback) { + var key = []; + options = (options === true) ? { entropy: true } : (options || {}); + + // Flatten the seed string or build one from local entropy if needed. + var shortseed = mixkey(flatten( + options.entropy ? [seed, tostring(pool)] : + (seed === null) ? autoseed() : seed, 3), key); + + // Use the seed to initialize an ARC4 generator. + var arc4 = new ARC4(key); + + // This function returns a random double in [0, 1) that contains + // randomness in every bit of the mantissa of the IEEE 754 value. + var prng = function() { + var n = arc4.g(chunks), // Start with a numerator n < 2 ^ 48 + d = startdenom, // and denominator d = 2 ^ 48. + x = 0; // and no 'extra last byte'. + while (n < significance) { // Fill up all significant digits by + n = (n + x) * width; // shifting numerator and + d *= width; // denominator and generating a + x = arc4.g(1); // new least-significant-byte. + } + while (n >= overflow) { // To avoid rounding up, before adding + n /= 2; // last byte, shift everything + d /= 2; // right using integer math until + x >>>= 1; // we have exactly the desired bits. + } + return (n + x) / d; // Form the number within [0, 1). + }; + + prng.int32 = function() { return arc4.g(4) | 0; }; + prng.quick = function() { return arc4.g(4) / 0x100000000; }; + prng.double = prng; + + // Mix the randomness into accumulated entropy. + mixkey(tostring(arc4.S), pool); + + // Calling convention: what to return as a function of prng, seed, is_math. + return (options.pass || callback || + function(prng, seed, is_math_call, state) { + if (state) { + // Load the arc4 state from the given state if it has an S array. + if (state.S) { copy(state, arc4); } + // Only provide the .state method if requested via options.state. + prng.state = function() { return copy(arc4, {}); }; + } + + // If called as a method of Math (Math.seedrandom()), mutate + // Math.random because that is how seedrandom.js has worked since v1.0. + if (is_math_call) { math[rngname] = prng; return seed; } + + // Otherwise, it is a newer calling convention, so return the + // prng directly. + else return prng; + })( + prng, + shortseed, + 'global' in options ? options.global : (this == math), + options.state); + } + math['seed' + rngname] = seedrandom; + +// +// ARC4 +// +// An ARC4 implementation. The constructor takes a key in the form of +// an array of at most (width) integers that should be 0 <= x < (width). +// +// The g(count) method returns a pseudorandom integer that concatenates +// the next (count) outputs from ARC4. Its return value is a number x +// that is in the range 0 <= x < (width ^ count). +// + function ARC4(key) { + var t, keylen = key.length, + me = this, i = 0, j = me.i = me.j = 0, s = me.S = []; + + // The empty key [] is treated as [0]. + if (!keylen) { key = [keylen++]; } + + // Set up S using the standard key scheduling algorithm. + while (i < width) { + s[i] = i++; + } + for (i = 0; i < width; i++) { + s[i] = s[j = mask & (j + key[i % keylen] + (t = s[i]))]; + s[j] = t; + } + + // The "g" method returns the next (count) outputs as one number. + me.g = function(count) { + // Using instance members instead of closure state nearly doubles speed. + var t, r = 0, + i = me.i, j = me.j, s = me.S; + while (count--) { + t = s[i = mask & (i + 1)]; + r = r * width + s[mask & ((s[i] = s[j = mask & (j + t)]) + (s[j] = t))]; + } + me.i = i; me.j = j; + return r; + // For robust unpredictability, the function call below automatically + // discards an initial batch of values. This is called RC4-drop[256]. + // See http://google.com/search?q=rsa+fluhrer+response&btnI + }; + } + +// +// copy() +// Copies internal state of ARC4 to or from a plain object. +// + function copy(f, t) { + t.i = f.i; + t.j = f.j; + t.S = f.S.slice(); + return t; + } + +// +// flatten() +// Converts an object tree to nested arrays of strings. +// + function flatten(obj, depth) { + var result = [], typ = (typeof obj), prop; + if (depth && typ == 'object') { + for (prop in obj) { + try { result.push(flatten(obj[prop], depth - 1)); } catch (e) {} + } + } + return (result.length ? result : typ == 'string' ? obj : obj + '\0'); + } + +// +// mixkey() +// Mixes a string seed into a key that is an array of integers, and +// returns a shortened string seed that is equivalent to the result key. +// + function mixkey(seed, key) { + var stringseed = seed + '', smear, j = 0; + while (j < stringseed.length) { + key[mask & j] = + mask & ((smear ^= key[mask & j] * 19) + stringseed.charCodeAt(j++)); + } + return tostring(key); + } + +// +// autoseed() +// Returns an object for autoseeding, using window.crypto and Node crypto +// module if available. +// + function autoseed() { + try { + if (nodecrypto) { return tostring(nodecrypto.randomBytes(width)); } + var out = new Uint8Array(width); + (global.crypto || global.msCrypto).getRandomValues(out); + return tostring(out); + } catch (e) { + var browser = global.navigator, + plugins = browser && browser.plugins; + return [+new Date(), global, plugins, global.screen, tostring(pool)]; + } + } + +// +// tostring() +// Converts an array of charcodes to a string +// + function tostring(a) { + return String.fromCharCode.apply(0, a); + } + +// +// When seedrandom.js is loaded, we immediately mix a few bits +// from the built-in RNG into the entropy pool. Because we do +// not want to interfere with deterministic PRNG state later, +// seedrandom will not call math.random on its own again after +// initialization. +// + mixkey(math.random(), pool); + +// +// Nodejs and AMD support: export the implementation as a module using +// either convention. +// + +// End anonymous scope, and pass initial values. +}; + +function initialize$2(BMMath) { + seedRandom([], BMMath); +} + +var propTypes = { + SHAPE: 'shape', +}; + +/* eslint-disable camelcase */ + +const ExpressionManager = (function () { + 'use strict'; + + var ob = {}; + var Math = BMMath; + var window = null; + var document = null; + var XMLHttpRequest = null; + var fetch = null; + var frames = null; + initialize$2(BMMath); + + function $bm_isInstanceOfArray(arr) { + return arr.constructor === Array || arr.constructor === Float32Array; + } + + function isNumerable(tOfV, v) { + return tOfV === 'number' || tOfV === 'boolean' || tOfV === 'string' || v instanceof Number; + } + + function $bm_neg(a) { + var tOfA = typeof a; + if (tOfA === 'number' || tOfA === 'boolean' || a instanceof Number) { + return -a; + } + if ($bm_isInstanceOfArray(a)) { + var i; + var lenA = a.length; + var retArr = []; + for (i = 0; i < lenA; i += 1) { + retArr[i] = -a[i]; + } + return retArr; + } + if (a.propType) { + return a.v; + } + return -a; + } + + var easeInBez = BezierFactory.getBezierEasing(0.333, 0, 0.833, 0.833, 'easeIn').get; + var easeOutBez = BezierFactory.getBezierEasing(0.167, 0.167, 0.667, 1, 'easeOut').get; + var easeInOutBez = BezierFactory.getBezierEasing(0.33, 0, 0.667, 1, 'easeInOut').get; + + function sum(a, b) { + var tOfA = typeof a; + var tOfB = typeof b; + if (tOfA === 'string' || tOfB === 'string') { + return a + b; + } + if (isNumerable(tOfA, a) && isNumerable(tOfB, b)) { + return a + b; + } + if ($bm_isInstanceOfArray(a) && isNumerable(tOfB, b)) { + a = a.slice(0); + a[0] += b; + return a; + } + if (isNumerable(tOfA, a) && $bm_isInstanceOfArray(b)) { + b = b.slice(0); + b[0] = a + b[0]; + return b; + } + if ($bm_isInstanceOfArray(a) && $bm_isInstanceOfArray(b)) { + var i = 0; + var lenA = a.length; + var lenB = b.length; + var retArr = []; + while (i < lenA || i < lenB) { + if ((typeof a[i] === 'number' || a[i] instanceof Number) && (typeof b[i] === 'number' || b[i] instanceof Number)) { + retArr[i] = a[i] + b[i]; + } else { + retArr[i] = b[i] === undefined ? a[i] : a[i] || b[i]; + } + i += 1; + } + return retArr; + } + return 0; + } + var add = sum; + + function sub(a, b) { + var tOfA = typeof a; + var tOfB = typeof b; + if (isNumerable(tOfA, a) && isNumerable(tOfB, b)) { + if (tOfA === 'string') { + a = parseInt(a, 10); + } + if (tOfB === 'string') { + b = parseInt(b, 10); + } + return a - b; + } + if ($bm_isInstanceOfArray(a) && isNumerable(tOfB, b)) { + a = a.slice(0); + a[0] -= b; + return a; + } + if (isNumerable(tOfA, a) && $bm_isInstanceOfArray(b)) { + b = b.slice(0); + b[0] = a - b[0]; + return b; + } + if ($bm_isInstanceOfArray(a) && $bm_isInstanceOfArray(b)) { + var i = 0; + var lenA = a.length; + var lenB = b.length; + var retArr = []; + while (i < lenA || i < lenB) { + if ((typeof a[i] === 'number' || a[i] instanceof Number) && (typeof b[i] === 'number' || b[i] instanceof Number)) { + retArr[i] = a[i] - b[i]; + } else { + retArr[i] = b[i] === undefined ? a[i] : a[i] || b[i]; + } + i += 1; + } + return retArr; + } + return 0; + } + + function mul(a, b) { + var tOfA = typeof a; + var tOfB = typeof b; + var arr; + if (isNumerable(tOfA, a) && isNumerable(tOfB, b)) { + return a * b; + } + + var i; + var len; + if ($bm_isInstanceOfArray(a) && isNumerable(tOfB, b)) { + len = a.length; + arr = createTypedArray('float32', len); + for (i = 0; i < len; i += 1) { + arr[i] = a[i] * b; + } + return arr; + } + if (isNumerable(tOfA, a) && $bm_isInstanceOfArray(b)) { + len = b.length; + arr = createTypedArray('float32', len); + for (i = 0; i < len; i += 1) { + arr[i] = a * b[i]; + } + return arr; + } + return 0; + } + + function div(a, b) { + var tOfA = typeof a; + var tOfB = typeof b; + var arr; + if (isNumerable(tOfA, a) && isNumerable(tOfB, b)) { + return a / b; + } + var i; + var len; + if ($bm_isInstanceOfArray(a) && isNumerable(tOfB, b)) { + len = a.length; + arr = createTypedArray('float32', len); + for (i = 0; i < len; i += 1) { + arr[i] = a[i] / b; + } + return arr; + } + if (isNumerable(tOfA, a) && $bm_isInstanceOfArray(b)) { + len = b.length; + arr = createTypedArray('float32', len); + for (i = 0; i < len; i += 1) { + arr[i] = a / b[i]; + } + return arr; + } + return 0; + } + function mod(a, b) { + if (typeof a === 'string') { + a = parseInt(a, 10); + } + if (typeof b === 'string') { + b = parseInt(b, 10); + } + return a % b; + } + var $bm_sum = sum; + var $bm_sub = sub; + var $bm_mul = mul; + var $bm_div = div; + var $bm_mod = mod; + + function clamp(num, min, max) { + if (min > max) { + var mm = max; + max = min; + min = mm; + } + return Math.min(Math.max(num, min), max); + } + + function radiansToDegrees(val) { + return val / degToRads; + } + var radians_to_degrees = radiansToDegrees; + + function degreesToRadians(val) { + return val * degToRads; + } + var degrees_to_radians = radiansToDegrees; + + var helperLengthArray = [0, 0, 0, 0, 0, 0]; + + function length(arr1, arr2) { + if (typeof arr1 === 'number' || arr1 instanceof Number) { + arr2 = arr2 || 0; + return Math.abs(arr1 - arr2); + } + if (!arr2) { + arr2 = helperLengthArray; + } + var i; + var len = Math.min(arr1.length, arr2.length); + var addedLength = 0; + for (i = 0; i < len; i += 1) { + addedLength += Math.pow(arr2[i] - arr1[i], 2); + } + return Math.sqrt(addedLength); + } + + function normalize(vec) { + return div(vec, length(vec)); + } + + function rgbToHsl(val) { + var r = val[0]; var g = val[1]; var b = val[2]; + var max = Math.max(r, g, b); + var min = Math.min(r, g, b); + var h; + var s; + var l = (max + min) / 2; + + if (max === min) { + h = 0; // achromatic + s = 0; // achromatic + } else { + var d = max - min; + s = l > 0.5 ? d / (2 - max - min) : d / (max + min); + switch (max) { + case r: h = (g - b) / d + (g < b ? 6 : 0); break; + case g: h = (b - r) / d + 2; break; + case b: h = (r - g) / d + 4; break; + default: break; + } + h /= 6; + } + + return [h, s, l, val[3]]; + } + + function hue2rgb(p, q, t) { + if (t < 0) t += 1; + if (t > 1) t -= 1; + if (t < 1 / 6) return p + (q - p) * 6 * t; + if (t < 1 / 2) return q; + if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6; + return p; + } + + function hslToRgb(val) { + var h = val[0]; + var s = val[1]; + var l = val[2]; + + var r; + var g; + var b; + + if (s === 0) { + r = l; // achromatic + b = l; // achromatic + g = l; // achromatic + } else { + var q = l < 0.5 ? l * (1 + s) : l + s - l * s; + var p = 2 * l - q; + r = hue2rgb(p, q, h + 1 / 3); + g = hue2rgb(p, q, h); + b = hue2rgb(p, q, h - 1 / 3); + } + + return [r, g, b, val[3]]; + } + + function linear(t, tMin, tMax, value1, value2) { + if (value1 === undefined || value2 === undefined) { + value1 = tMin; + value2 = tMax; + tMin = 0; + tMax = 1; + } + if (tMax < tMin) { + var _tMin = tMax; + tMax = tMin; + tMin = _tMin; + } + if (t <= tMin) { + return value1; + } if (t >= tMax) { + return value2; + } + var perc = tMax === tMin ? 0 : (t - tMin) / (tMax - tMin); + if (!value1.length) { + return value1 + (value2 - value1) * perc; + } + var i; + var len = value1.length; + var arr = createTypedArray('float32', len); + for (i = 0; i < len; i += 1) { + arr[i] = value1[i] + (value2[i] - value1[i]) * perc; + } + return arr; + } + function random(min, max) { + if (max === undefined) { + if (min === undefined) { + min = 0; + max = 1; + } else { + max = min; + min = undefined; + } + } + if (max.length) { + var i; + var len = max.length; + if (!min) { + min = createTypedArray('float32', len); + } + var arr = createTypedArray('float32', len); + var rnd = BMMath.random(); + for (i = 0; i < len; i += 1) { + arr[i] = min[i] + rnd * (max[i] - min[i]); + } + return arr; + } + if (min === undefined) { + min = 0; + } + var rndm = BMMath.random(); + return min + rndm * (max - min); + } + + function createPath(points, inTangents, outTangents, closed) { + var i; + var len = points.length; + var path = shapePool.newElement(); + path.setPathData(!!closed, len); + var arrPlaceholder = [0, 0]; + var inVertexPoint; + var outVertexPoint; + for (i = 0; i < len; i += 1) { + inVertexPoint = (inTangents && inTangents[i]) ? inTangents[i] : arrPlaceholder; + outVertexPoint = (outTangents && outTangents[i]) ? outTangents[i] : arrPlaceholder; + path.setTripleAt(points[i][0], points[i][1], outVertexPoint[0] + points[i][0], outVertexPoint[1] + points[i][1], inVertexPoint[0] + points[i][0], inVertexPoint[1] + points[i][1], i, true); + } + return path; + } + + function initiateExpression(elem, data, property) { + var val = data.x; + var needsVelocity = /velocity(?![\w\d])/.test(val); + var _needsRandom = val.indexOf('random') !== -1; + var elemType = elem.data.ty; + var transform; + var $bm_transform; + var content; + var effect; + var thisProperty = property; + thisProperty.valueAtTime = thisProperty.getValueAtTime; + Object.defineProperty(thisProperty, 'value', { + get: function () { + return thisProperty.v; + }, + }); + elem.comp.frameDuration = 1 / elem.comp.globalData.frameRate; + elem.comp.displayStartTime = 0; + var inPoint = elem.data.ip / elem.comp.globalData.frameRate; + var outPoint = elem.data.op / elem.comp.globalData.frameRate; + var width = elem.data.sw ? elem.data.sw : 0; + var height = elem.data.sh ? elem.data.sh : 0; + var name = elem.data.nm; + var loopIn; + var loop_in; + var loopOut; + var loop_out; + var smooth; + var toWorld; + var fromWorld; + var fromComp; + var toComp; + var fromCompToSurface; + var position; + var rotation; + var anchorPoint; + var scale; + var thisLayer; + var thisComp; + var mask; + var valueAtTime; + var velocityAtTime; + + var scoped_bm_rt; + // val = val.replace(/(\\?"|')((http)(s)?(:\/))?\/.*?(\\?"|')/g, "\"\""); // deter potential network calls + var expression_function = eval('[function _expression_function(){' + val + ';scoped_bm_rt=$bm_rt}]')[0]; // eslint-disable-line no-eval + var numKeys = property.kf ? data.k.length : 0; + + var active = !this.data || this.data.hd !== true; + + var wiggle = function wiggle(freq, amp) { + var iWiggle; + var j; + var lenWiggle = this.pv.length ? this.pv.length : 1; + var addedAmps = createTypedArray('float32', lenWiggle); + freq = 5; + var iterations = Math.floor(time * freq); + iWiggle = 0; + j = 0; + while (iWiggle < iterations) { + // var rnd = BMMath.random(); + for (j = 0; j < lenWiggle; j += 1) { + addedAmps[j] += -amp + amp * 2 * BMMath.random(); + // addedAmps[j] += -amp + amp*2*rnd; + } + iWiggle += 1; + } + // var rnd2 = BMMath.random(); + var periods = time * freq; + var perc = periods - Math.floor(periods); + var arr = createTypedArray('float32', lenWiggle); + if (lenWiggle > 1) { + for (j = 0; j < lenWiggle; j += 1) { + arr[j] = this.pv[j] + addedAmps[j] + (-amp + amp * 2 * BMMath.random()) * perc; + // arr[j] = this.pv[j] + addedAmps[j] + (-amp + amp*2*rnd)*perc; + // arr[i] = this.pv[i] + addedAmp + amp1*perc + amp2*(1-perc); + } + return arr; + } + return this.pv + addedAmps[0] + (-amp + amp * 2 * BMMath.random()) * perc; + }.bind(this); + + if (thisProperty.loopIn) { + loopIn = thisProperty.loopIn.bind(thisProperty); + loop_in = loopIn; + } + + if (thisProperty.loopOut) { + loopOut = thisProperty.loopOut.bind(thisProperty); + loop_out = loopOut; + } + + if (thisProperty.smooth) { + smooth = thisProperty.smooth.bind(thisProperty); + } + + function loopInDuration(type, duration) { + return loopIn(type, duration, true); + } + + function loopOutDuration(type, duration) { + return loopOut(type, duration, true); + } + + if (this.getValueAtTime) { + valueAtTime = this.getValueAtTime.bind(this); + } + + if (this.getVelocityAtTime) { + velocityAtTime = this.getVelocityAtTime.bind(this); + } + + var comp = elem.comp.globalData.projectInterface.bind(elem.comp.globalData.projectInterface); + + function lookAt(elem1, elem2) { + var fVec = [elem2[0] - elem1[0], elem2[1] - elem1[1], elem2[2] - elem1[2]]; + var pitch = Math.atan2(fVec[0], Math.sqrt(fVec[1] * fVec[1] + fVec[2] * fVec[2])) / degToRads; + var yaw = -Math.atan2(fVec[1], fVec[2]) / degToRads; + return [yaw, pitch, 0]; + } + + function easeOut(t, tMin, tMax, val1, val2) { + return applyEase(easeOutBez, t, tMin, tMax, val1, val2); + } + + function easeIn(t, tMin, tMax, val1, val2) { + return applyEase(easeInBez, t, tMin, tMax, val1, val2); + } + + function ease(t, tMin, tMax, val1, val2) { + return applyEase(easeInOutBez, t, tMin, tMax, val1, val2); + } + + function applyEase(fn, t, tMin, tMax, val1, val2) { + if (val1 === undefined) { + val1 = tMin; + val2 = tMax; + } else { + t = (t - tMin) / (tMax - tMin); + } + if (t > 1) { + t = 1; + } else if (t < 0) { + t = 0; + } + var mult = fn(t); + if ($bm_isInstanceOfArray(val1)) { + var iKey; + var lenKey = val1.length; + var arr = createTypedArray('float32', lenKey); + for (iKey = 0; iKey < lenKey; iKey += 1) { + arr[iKey] = (val2[iKey] - val1[iKey]) * mult + val1[iKey]; + } + return arr; + } + return (val2 - val1) * mult + val1; + } + + function nearestKey(time) { + var iKey; + var lenKey = data.k.length; + var index; + var keyTime; + if (!data.k.length || typeof (data.k[0]) === 'number') { + index = 0; + keyTime = 0; + } else { + index = -1; + time *= elem.comp.globalData.frameRate; + if (time < data.k[0].t) { + index = 1; + keyTime = data.k[0].t; + } else { + for (iKey = 0; iKey < lenKey - 1; iKey += 1) { + if (time === data.k[iKey].t) { + index = iKey + 1; + keyTime = data.k[iKey].t; + break; + } else if (time > data.k[iKey].t && time < data.k[iKey + 1].t) { + if (time - data.k[iKey].t > data.k[iKey + 1].t - time) { + index = iKey + 2; + keyTime = data.k[iKey + 1].t; + } else { + index = iKey + 1; + keyTime = data.k[iKey].t; + } + break; + } + } + if (index === -1) { + index = iKey + 1; + keyTime = data.k[iKey].t; + } + } + } + var obKey = {}; + obKey.index = index; + obKey.time = keyTime / elem.comp.globalData.frameRate; + return obKey; + } + + function key(ind) { + var obKey; + var iKey; + var lenKey; + if (!data.k.length || typeof (data.k[0]) === 'number') { + throw new Error('The property has no keyframe at index ' + ind); + } + ind -= 1; + obKey = { + time: data.k[ind].t / elem.comp.globalData.frameRate, + value: [], + }; + var arr = Object.prototype.hasOwnProperty.call(data.k[ind], 's') ? data.k[ind].s : data.k[ind - 1].e; + + lenKey = arr.length; + for (iKey = 0; iKey < lenKey; iKey += 1) { + obKey[iKey] = arr[iKey]; + obKey.value[iKey] = arr[iKey]; + } + return obKey; + } + + function framesToTime(fr, fps) { + if (!fps) { + fps = elem.comp.globalData.frameRate; + } + return fr / fps; + } + + function timeToFrames(t, fps) { + if (!t && t !== 0) { + t = time; + } + if (!fps) { + fps = elem.comp.globalData.frameRate; + } + return t * fps; + } + + function seedRandom(seed) { + BMMath.seedrandom(randSeed + seed); + } + + function sourceRectAtTime() { + return elem.sourceRectAtTime(); + } + + function substring(init, end) { + if (typeof value === 'string') { + if (end === undefined) { + return value.substring(init); + } + return value.substring(init, end); + } + return ''; + } + + function substr(init, end) { + if (typeof value === 'string') { + if (end === undefined) { + return value.substr(init); + } + return value.substr(init, end); + } + return ''; + } + + function posterizeTime(framesPerSecond) { + time = framesPerSecond === 0 ? 0 : Math.floor(time * framesPerSecond) / framesPerSecond; + value = valueAtTime(time); + } + + var time; + var velocity; + var value; + var text; + var textIndex; + var textTotal; + var selectorValue; + var index = elem.data.ind; + var hasParent = !!(elem.hierarchy && elem.hierarchy.length); + var parent; + var randSeed = Math.floor(Math.random() * 1000000); + var globalData = elem.globalData; + function executeExpression(_value) { + // globalData.pushExpression(); + value = _value; + if (this.frameExpressionId === elem.globalData.frameId && this.propType !== 'textSelector') { + return value; + } + if (this.propType === 'textSelector') { + textIndex = this.textIndex; + textTotal = this.textTotal; + selectorValue = this.selectorValue; + } + if (!thisLayer) { + text = elem.layerInterface.text; + thisLayer = elem.layerInterface; + thisComp = elem.comp.compInterface; + toWorld = thisLayer.toWorld.bind(thisLayer); + fromWorld = thisLayer.fromWorld.bind(thisLayer); + fromComp = thisLayer.fromComp.bind(thisLayer); + toComp = thisLayer.toComp.bind(thisLayer); + mask = thisLayer.mask ? thisLayer.mask.bind(thisLayer) : null; + fromCompToSurface = fromComp; + } + if (!transform) { + transform = elem.layerInterface('ADBE Transform Group'); + $bm_transform = transform; + if (transform) { + anchorPoint = transform.anchorPoint; + /* position = transform.position; + rotation = transform.rotation; + scale = transform.scale; */ + } + } + + if (elemType === 4 && !content) { + content = thisLayer('ADBE Root Vectors Group'); + } + if (!effect) { + effect = thisLayer(4); + } + hasParent = !!(elem.hierarchy && elem.hierarchy.length); + if (hasParent && !parent) { + parent = elem.hierarchy[0].layerInterface; + } + time = this.comp.renderedFrame / this.comp.globalData.frameRate; + if (_needsRandom) { + seedRandom(randSeed + time); + } + if (needsVelocity) { + velocity = velocityAtTime(time); + } + expression_function(); + this.frameExpressionId = elem.globalData.frameId; + + // TODO: Check if it's possible to return on ShapeInterface the .v value + // Changed this to a ternary operation because Rollup failed compiling it correctly + scoped_bm_rt = scoped_bm_rt.propType === propTypes.SHAPE + ? scoped_bm_rt.v + : scoped_bm_rt; + return scoped_bm_rt; + } + // Bundlers will see these as dead code and unless we reference them + executeExpression.__preventDeadCodeRemoval = [$bm_transform, anchorPoint, time, velocity, inPoint, outPoint, width, height, name, loop_in, loop_out, smooth, toComp, fromCompToSurface, toWorld, fromWorld, mask, position, rotation, scale, thisComp, numKeys, active, wiggle, loopInDuration, loopOutDuration, comp, lookAt, easeOut, easeIn, ease, nearestKey, key, text, textIndex, textTotal, selectorValue, framesToTime, timeToFrames, sourceRectAtTime, substring, substr, posterizeTime, index, globalData]; + return executeExpression; + } + + ob.initiateExpression = initiateExpression; + ob.__preventDeadCodeRemoval = [window, document, XMLHttpRequest, fetch, frames, $bm_neg, add, $bm_sum, $bm_sub, $bm_mul, $bm_div, $bm_mod, clamp, radians_to_degrees, degreesToRadians, degrees_to_radians, normalize, rgbToHsl, hslToRgb, linear, random, createPath]; + return ob; +}()); + +const expressionHelpers = (function () { + function searchExpressions(elem, data, prop) { + if (data.x) { + prop.k = true; + prop.x = true; + prop.initiateExpression = ExpressionManager.initiateExpression; + prop.effectsSequence.push(prop.initiateExpression(elem, data, prop).bind(prop)); + } + } + + function getValueAtTime(frameNum) { + frameNum *= this.elem.globalData.frameRate; + frameNum -= this.offsetTime; + if (frameNum !== this._cachingAtTime.lastFrame) { + this._cachingAtTime.lastIndex = this._cachingAtTime.lastFrame < frameNum ? this._cachingAtTime.lastIndex : 0; + this._cachingAtTime.value = this.interpolateValue(frameNum, this._cachingAtTime); + this._cachingAtTime.lastFrame = frameNum; + } + return this._cachingAtTime.value; + } + + function getSpeedAtTime(frameNum) { + var delta = -0.01; + var v1 = this.getValueAtTime(frameNum); + var v2 = this.getValueAtTime(frameNum + delta); + var speed = 0; + if (v1.length) { + var i; + for (i = 0; i < v1.length; i += 1) { + speed += Math.pow(v2[i] - v1[i], 2); + } + speed = Math.sqrt(speed) * 100; + } else { + speed = 0; + } + return speed; + } + + function getVelocityAtTime(frameNum) { + if (this.vel !== undefined) { + return this.vel; + } + var delta = -0.001; + // frameNum += this.elem.data.st; + var v1 = this.getValueAtTime(frameNum); + var v2 = this.getValueAtTime(frameNum + delta); + var velocity; + if (v1.length) { + velocity = createTypedArray('float32', v1.length); + var i; + for (i = 0; i < v1.length; i += 1) { + // removing frameRate + // if needed, don't add it here + // velocity[i] = this.elem.globalData.frameRate*((v2[i] - v1[i])/delta); + velocity[i] = (v2[i] - v1[i]) / delta; + } + } else { + velocity = (v2 - v1) / delta; + } + return velocity; + } + + function getStaticValueAtTime() { + return this.pv; + } + + function setGroupProperty(propertyGroup) { + this.propertyGroup = propertyGroup; + } + + return { + searchExpressions: searchExpressions, + getSpeedAtTime: getSpeedAtTime, + getVelocityAtTime: getVelocityAtTime, + getValueAtTime: getValueAtTime, + getStaticValueAtTime: getStaticValueAtTime, + setGroupProperty: setGroupProperty, + }; +}()); + +function addPropertyDecorator() { + function loopOut(type, duration, durationFlag) { + if (!this.k || !this.keyframes) { + return this.pv; + } + type = type ? type.toLowerCase() : ''; + var currentFrame = this.comp.renderedFrame; + var keyframes = this.keyframes; + var lastKeyFrame = keyframes[keyframes.length - 1].t; + if (currentFrame <= lastKeyFrame) { + return this.pv; + } + var cycleDuration; + var firstKeyFrame; + if (!durationFlag) { + if (!duration || duration > keyframes.length - 1) { + duration = keyframes.length - 1; + } + firstKeyFrame = keyframes[keyframes.length - 1 - duration].t; + cycleDuration = lastKeyFrame - firstKeyFrame; + } else { + if (!duration) { + cycleDuration = Math.max(0, lastKeyFrame - this.elem.data.ip); + } else { + cycleDuration = Math.abs(lastKeyFrame - this.elem.comp.globalData.frameRate * duration); + } + firstKeyFrame = lastKeyFrame - cycleDuration; + } + var i; + var len; + var ret; + if (type === 'pingpong') { + var iterations = Math.floor((currentFrame - firstKeyFrame) / cycleDuration); + if (iterations % 2 !== 0) { + return this.getValueAtTime(((cycleDuration - (currentFrame - firstKeyFrame) % cycleDuration + firstKeyFrame)) / this.comp.globalData.frameRate, 0); // eslint-disable-line + } + } else if (type === 'offset') { + var initV = this.getValueAtTime(firstKeyFrame / this.comp.globalData.frameRate, 0); + var endV = this.getValueAtTime(lastKeyFrame / this.comp.globalData.frameRate, 0); + var current = this.getValueAtTime(((currentFrame - firstKeyFrame) % cycleDuration + firstKeyFrame) / this.comp.globalData.frameRate, 0); // eslint-disable-line + var repeats = Math.floor((currentFrame - firstKeyFrame) / cycleDuration); + if (this.pv.length) { + ret = new Array(initV.length); + len = ret.length; + for (i = 0; i < len; i += 1) { + ret[i] = (endV[i] - initV[i]) * repeats + current[i]; + } + return ret; + } + return (endV - initV) * repeats + current; + } else if (type === 'continue') { + var lastValue = this.getValueAtTime(lastKeyFrame / this.comp.globalData.frameRate, 0); + var nextLastValue = this.getValueAtTime((lastKeyFrame - 0.001) / this.comp.globalData.frameRate, 0); + if (this.pv.length) { + ret = new Array(lastValue.length); + len = ret.length; + for (i = 0; i < len; i += 1) { + ret[i] = lastValue[i] + (lastValue[i] - nextLastValue[i]) * ((currentFrame - lastKeyFrame) / this.comp.globalData.frameRate) / 0.0005; // eslint-disable-line + } + return ret; + } + return lastValue + (lastValue - nextLastValue) * (((currentFrame - lastKeyFrame)) / 0.001); + } + return this.getValueAtTime((((currentFrame - firstKeyFrame) % cycleDuration + firstKeyFrame)) / this.comp.globalData.frameRate, 0); // eslint-disable-line + + } + + function loopIn(type, duration, durationFlag) { + if (!this.k) { + return this.pv; + } + type = type ? type.toLowerCase() : ''; + var currentFrame = this.comp.renderedFrame; + var keyframes = this.keyframes; + var firstKeyFrame = keyframes[0].t; + if (currentFrame >= firstKeyFrame) { + return this.pv; + } + var cycleDuration; + var lastKeyFrame; + if (!durationFlag) { + if (!duration || duration > keyframes.length - 1) { + duration = keyframes.length - 1; + } + lastKeyFrame = keyframes[duration].t; + cycleDuration = lastKeyFrame - firstKeyFrame; + } else { + if (!duration) { + cycleDuration = Math.max(0, this.elem.data.op - firstKeyFrame); + } else { + cycleDuration = Math.abs(this.elem.comp.globalData.frameRate * duration); + } + lastKeyFrame = firstKeyFrame + cycleDuration; + } + var i; + var len; + var ret; + if (type === 'pingpong') { + var iterations = Math.floor((firstKeyFrame - currentFrame) / cycleDuration); + if (iterations % 2 === 0) { + return this.getValueAtTime((((firstKeyFrame - currentFrame) % cycleDuration + firstKeyFrame)) / this.comp.globalData.frameRate, 0); // eslint-disable-line + } + } else if (type === 'offset') { + var initV = this.getValueAtTime(firstKeyFrame / this.comp.globalData.frameRate, 0); + var endV = this.getValueAtTime(lastKeyFrame / this.comp.globalData.frameRate, 0); + var current = this.getValueAtTime((cycleDuration - ((firstKeyFrame - currentFrame) % cycleDuration) + firstKeyFrame) / this.comp.globalData.frameRate, 0); + var repeats = Math.floor((firstKeyFrame - currentFrame) / cycleDuration) + 1; + if (this.pv.length) { + ret = new Array(initV.length); + len = ret.length; + for (i = 0; i < len; i += 1) { + ret[i] = current[i] - (endV[i] - initV[i]) * repeats; + } + return ret; + } + return current - (endV - initV) * repeats; + } else if (type === 'continue') { + var firstValue = this.getValueAtTime(firstKeyFrame / this.comp.globalData.frameRate, 0); + var nextFirstValue = this.getValueAtTime((firstKeyFrame + 0.001) / this.comp.globalData.frameRate, 0); + if (this.pv.length) { + ret = new Array(firstValue.length); + len = ret.length; + for (i = 0; i < len; i += 1) { + ret[i] = firstValue[i] + ((firstValue[i] - nextFirstValue[i]) * (firstKeyFrame - currentFrame)) / 0.001; + } + return ret; + } + return firstValue + ((firstValue - nextFirstValue) * (firstKeyFrame - currentFrame)) / 0.001; + } + return this.getValueAtTime(((cycleDuration - ((firstKeyFrame - currentFrame) % cycleDuration + firstKeyFrame))) / this.comp.globalData.frameRate, 0); // eslint-disable-line + + } + + function smooth(width, samples) { + if (!this.k) { + return this.pv; + } + width = (width || 0.4) * 0.5; + samples = Math.floor(samples || 5); + if (samples <= 1) { + return this.pv; + } + var currentTime = this.comp.renderedFrame / this.comp.globalData.frameRate; + var initFrame = currentTime - width; + var endFrame = currentTime + width; + var sampleFrequency = samples > 1 ? (endFrame - initFrame) / (samples - 1) : 1; + var i = 0; + var j = 0; + var value; + if (this.pv.length) { + value = createTypedArray('float32', this.pv.length); + } else { + value = 0; + } + var sampleValue; + while (i < samples) { + sampleValue = this.getValueAtTime(initFrame + i * sampleFrequency); + if (this.pv.length) { + for (j = 0; j < this.pv.length; j += 1) { + value[j] += sampleValue[j]; + } + } else { + value += sampleValue; + } + i += 1; + } + if (this.pv.length) { + for (j = 0; j < this.pv.length; j += 1) { + value[j] /= samples; + } + } else { + value /= samples; + } + return value; + } + + function getTransformValueAtTime(time) { + if (!this._transformCachingAtTime) { + this._transformCachingAtTime = { + v: new Matrix(), + }; + } + /// / + var matrix = this._transformCachingAtTime.v; + matrix.cloneFromProps(this.pre.props); + if (this.appliedTransformations < 1) { + var anchor = this.a.getValueAtTime(time); + matrix.translate( + -anchor[0] * this.a.mult, + -anchor[1] * this.a.mult, + anchor[2] * this.a.mult + ); + } + if (this.appliedTransformations < 2) { + var scale = this.s.getValueAtTime(time); + matrix.scale( + scale[0] * this.s.mult, + scale[1] * this.s.mult, + scale[2] * this.s.mult + ); + } + if (this.sk && this.appliedTransformations < 3) { + var skew = this.sk.getValueAtTime(time); + var skewAxis = this.sa.getValueAtTime(time); + matrix.skewFromAxis(-skew * this.sk.mult, skewAxis * this.sa.mult); + } + if (this.r && this.appliedTransformations < 4) { + var rotation = this.r.getValueAtTime(time); + matrix.rotate(-rotation * this.r.mult); + } else if (!this.r && this.appliedTransformations < 4) { + var rotationZ = this.rz.getValueAtTime(time); + var rotationY = this.ry.getValueAtTime(time); + var rotationX = this.rx.getValueAtTime(time); + var orientation = this.or.getValueAtTime(time); + matrix.rotateZ(-rotationZ * this.rz.mult) + .rotateY(rotationY * this.ry.mult) + .rotateX(rotationX * this.rx.mult) + .rotateZ(-orientation[2] * this.or.mult) + .rotateY(orientation[1] * this.or.mult) + .rotateX(orientation[0] * this.or.mult); + } + if (this.data.p && this.data.p.s) { + var positionX = this.px.getValueAtTime(time); + var positionY = this.py.getValueAtTime(time); + if (this.data.p.z) { + var positionZ = this.pz.getValueAtTime(time); + matrix.translate( + positionX * this.px.mult, + positionY * this.py.mult, + -positionZ * this.pz.mult + ); + } else { + matrix.translate(positionX * this.px.mult, positionY * this.py.mult, 0); + } + } else { + var position = this.p.getValueAtTime(time); + matrix.translate( + position[0] * this.p.mult, + position[1] * this.p.mult, + -position[2] * this.p.mult + ); + } + return matrix; + /// / + } + + function getTransformStaticValueAtTime() { + return this.v.clone(new Matrix()); + } + + var getTransformProperty = TransformPropertyFactory.getTransformProperty; + TransformPropertyFactory.getTransformProperty = function (elem, data, container) { + var prop = getTransformProperty(elem, data, container); + if (prop.dynamicProperties.length) { + prop.getValueAtTime = getTransformValueAtTime.bind(prop); + } else { + prop.getValueAtTime = getTransformStaticValueAtTime.bind(prop); + } + prop.setGroupProperty = expressionHelpers.setGroupProperty; + return prop; + }; + + var propertyGetProp = PropertyFactory.getProp; + PropertyFactory.getProp = function (elem, data, type, mult, container) { + var prop = propertyGetProp(elem, data, type, mult, container); + // prop.getVelocityAtTime = getVelocityAtTime; + // prop.loopOut = loopOut; + // prop.loopIn = loopIn; + if (prop.kf) { + prop.getValueAtTime = expressionHelpers.getValueAtTime.bind(prop); + } else { + prop.getValueAtTime = expressionHelpers.getStaticValueAtTime.bind(prop); + } + prop.setGroupProperty = expressionHelpers.setGroupProperty; + prop.loopOut = loopOut; + prop.loopIn = loopIn; + prop.smooth = smooth; + prop.getVelocityAtTime = expressionHelpers.getVelocityAtTime.bind(prop); + prop.getSpeedAtTime = expressionHelpers.getSpeedAtTime.bind(prop); + prop.numKeys = data.a === 1 ? data.k.length : 0; + prop.propertyIndex = data.ix; + var value = 0; + if (type !== 0) { + value = createTypedArray('float32', data.a === 1 ? data.k[0].s.length : data.k.length); + } + prop._cachingAtTime = { + lastFrame: initialDefaultFrame, + lastIndex: 0, + value: value, + }; + expressionHelpers.searchExpressions(elem, data, prop); + if (prop.k) { + container.addDynamicProperty(prop); + } + + return prop; + }; + + function getShapeValueAtTime(frameNum) { + // For now this caching object is created only when needed instead of creating it when the shape is initialized. + if (!this._cachingAtTime) { + this._cachingAtTime = { + shapeValue: shapePool.clone(this.pv), + lastIndex: 0, + lastTime: initialDefaultFrame, + }; + } + + frameNum *= this.elem.globalData.frameRate; + frameNum -= this.offsetTime; + if (frameNum !== this._cachingAtTime.lastTime) { + this._cachingAtTime.lastIndex = this._cachingAtTime.lastTime < frameNum ? this._caching.lastIndex : 0; + this._cachingAtTime.lastTime = frameNum; + this.interpolateShape(frameNum, this._cachingAtTime.shapeValue, this._cachingAtTime); + } + return this._cachingAtTime.shapeValue; + } + + var ShapePropertyConstructorFunction = ShapePropertyFactory.getConstructorFunction(); + var KeyframedShapePropertyConstructorFunction = ShapePropertyFactory.getKeyframedConstructorFunction(); + + function ShapeExpressions() {} + ShapeExpressions.prototype = { + vertices: function (prop, time) { + if (this.k) { + this.getValue(); + } + var shapePath = this.v; + if (time !== undefined) { + shapePath = this.getValueAtTime(time, 0); + } + var i; + var len = shapePath._length; + var vertices = shapePath[prop]; + var points = shapePath.v; + var arr = createSizedArray(len); + for (i = 0; i < len; i += 1) { + if (prop === 'i' || prop === 'o') { + arr[i] = [vertices[i][0] - points[i][0], vertices[i][1] - points[i][1]]; + } else { + arr[i] = [vertices[i][0], vertices[i][1]]; + } + } + return arr; + }, + points: function (time) { + return this.vertices('v', time); + }, + inTangents: function (time) { + return this.vertices('i', time); + }, + outTangents: function (time) { + return this.vertices('o', time); + }, + isClosed: function () { + return this.v.c; + }, + pointOnPath: function (perc, time) { + var shapePath = this.v; + if (time !== undefined) { + shapePath = this.getValueAtTime(time, 0); + } + if (!this._segmentsLength) { + this._segmentsLength = bez.getSegmentsLength(shapePath); + } + + var segmentsLength = this._segmentsLength; + var lengths = segmentsLength.lengths; + var lengthPos = segmentsLength.totalLength * perc; + var i = 0; + var len = lengths.length; + var accumulatedLength = 0; + var pt; + while (i < len) { + if (accumulatedLength + lengths[i].addedLength > lengthPos) { + var initIndex = i; + var endIndex = (shapePath.c && i === len - 1) ? 0 : i + 1; + var segmentPerc = (lengthPos - accumulatedLength) / lengths[i].addedLength; + pt = bez.getPointInSegment(shapePath.v[initIndex], shapePath.v[endIndex], shapePath.o[initIndex], shapePath.i[endIndex], segmentPerc, lengths[i]); + break; + } else { + accumulatedLength += lengths[i].addedLength; + } + i += 1; + } + if (!pt) { + pt = shapePath.c ? [shapePath.v[0][0], shapePath.v[0][1]] : [shapePath.v[shapePath._length - 1][0], shapePath.v[shapePath._length - 1][1]]; + } + return pt; + }, + vectorOnPath: function (perc, time, vectorType) { + // perc doesn't use triple equality because it can be a Number object as well as a primitive. + if (perc == 1) { // eslint-disable-line eqeqeq + perc = this.v.c; + } else if (perc == 0) { // eslint-disable-line eqeqeq + perc = 0.999; + } + var pt1 = this.pointOnPath(perc, time); + var pt2 = this.pointOnPath(perc + 0.001, time); + var xLength = pt2[0] - pt1[0]; + var yLength = pt2[1] - pt1[1]; + var magnitude = Math.sqrt(Math.pow(xLength, 2) + Math.pow(yLength, 2)); + if (magnitude === 0) { + return [0, 0]; + } + var unitVector = vectorType === 'tangent' ? [xLength / magnitude, yLength / magnitude] : [-yLength / magnitude, xLength / magnitude]; + return unitVector; + }, + tangentOnPath: function (perc, time) { + return this.vectorOnPath(perc, time, 'tangent'); + }, + normalOnPath: function (perc, time) { + return this.vectorOnPath(perc, time, 'normal'); + }, + setGroupProperty: expressionHelpers.setGroupProperty, + getValueAtTime: expressionHelpers.getStaticValueAtTime, + }; + extendPrototype([ShapeExpressions], ShapePropertyConstructorFunction); + extendPrototype([ShapeExpressions], KeyframedShapePropertyConstructorFunction); + KeyframedShapePropertyConstructorFunction.prototype.getValueAtTime = getShapeValueAtTime; + KeyframedShapePropertyConstructorFunction.prototype.initiateExpression = ExpressionManager.initiateExpression; + + var propertyGetShapeProp = ShapePropertyFactory.getShapeProp; + ShapePropertyFactory.getShapeProp = function (elem, data, type, arr, trims) { + var prop = propertyGetShapeProp(elem, data, type, arr, trims); + prop.propertyIndex = data.ix; + prop.lock = false; + if (type === 3) { + expressionHelpers.searchExpressions(elem, data.pt, prop); + } else if (type === 4) { + expressionHelpers.searchExpressions(elem, data.ks, prop); + } + if (prop.k) { + elem.addDynamicProperty(prop); + } + return prop; + }; +} + +function initialize$1() { + addPropertyDecorator(); +} + +function addDecorator() { + function searchExpressions() { + if (this.data.d.x) { + this.calculateExpression = ExpressionManager.initiateExpression.bind(this)(this.elem, this.data.d, this); + this.addEffect(this.getExpressionValue.bind(this)); + return true; + } + return null; + } + + TextProperty.prototype.getExpressionValue = function (currentValue, text) { + var newValue = this.calculateExpression(text); + if (currentValue.t !== newValue) { + var newData = {}; + this.copyData(newData, currentValue); + newData.t = newValue.toString(); + newData.__complete = false; + return newData; + } + return currentValue; + }; + + TextProperty.prototype.searchProperty = function () { + var isKeyframed = this.searchKeyframes(); + var hasExpressions = this.searchExpressions(); + this.kf = isKeyframed || hasExpressions; + return this.kf; + }; + + TextProperty.prototype.searchExpressions = searchExpressions; +} + +function initialize() { + addDecorator(); +} + +// Registering expression plugin +setExpressionsPlugin(Expressions); +initialize$1(); +initialize(); + +} + +export { lottie as default }; diff --git a/node_modules/three/examples/jsm/libs/meshopt_decoder.module.js b/node_modules/three/examples/jsm/libs/meshopt_decoder.module.js new file mode 100644 index 0000000..a9bd05f --- /dev/null +++ b/node_modules/three/examples/jsm/libs/meshopt_decoder.module.js @@ -0,0 +1,195 @@ +// This file is part of meshoptimizer library and is distributed under the terms of MIT License. +// Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com) +var MeshoptDecoder = (function () { + // Built with clang version 18.1.2 + // Built from meshoptimizer 0.22 + var wasm_base = + 'b9H79Tebbbe8Fv9Gbb9Gvuuuuueu9Giuuub9Geueu9Giuuueuikqbeeedddillviebeoweuec:q:Odkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbeY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVbdE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbiL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtblK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbol79IV9Rbrq;w8Wqdbk;esezu8Jjjjjbcj;eb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Radz1jjjbhwcj;abad9Uc;WFbGgocjdaocjd6EhDaicefhocbhqdnindndndnaeaq9nmbaDaeaq9RaqaDfae6Egkcsfglcl4cifcd4hxalc9WGgmTmecbhPawcjdfhsaohzinaraz9Rax6mvarazaxfgo9RcK6mvczhlcbhHinalgic9WfgOawcj;cbffhldndndndndnazaOco4fRbbaHcoG4ciGPlbedibkal9cb83ibalcwf9cb83ibxikalaoRblaoRbbgOco4gAaAciSgAE86bbawcj;cbfaifglcGfaoclfaAfgARbbaOcl4ciGgCaCciSgCE86bbalcVfaAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc7faAaCfgARbbaOciGgOaOciSgOE86bbalctfaAaOfgARbbaoRbegOco4gCaCciSgCE86bbalc91faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc4faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc93faAaCfgARbbaOciGgOaOciSgOE86bbalc94faAaOfgARbbaoRbdgOco4gCaCciSgCE86bbalc95faAaCfgARbbaOcl4ciGgCaCciSgCE86bbalc96faAaCfgARbbaOcd4ciGgCaCciSgCE86bbalc97faAaCfgARbbaOciGgOaOciSgOE86bbalc98faAaOfgORbbaoRbigoco4gAaAciSgAE86bbalc99faOaAfgORbbaocl4ciGgAaAciSgAE86bbalc9:faOaAfgORbbaocd4ciGgAaAciSgAE86bbalcufaOaAfglRbbaociGgoaociSgoE86bbalaofhoxdkalaoRbwaoRbbgOcl4gAaAcsSgAE86bbawcj;cbfaifglcGfaocwfaAfgARbbaOcsGgOaOcsSgOE86bbalcVfaAaOfgORbbaoRbegAcl4gCaCcsSgCE86bbalc7faOaCfgORbbaAcsGgAaAcsSgAE86bbalctfaOaAfgORbbaoRbdgAcl4gCaCcsSgCE86bbalc91faOaCfgORbbaAcsGgAaAcsSgAE86bbalc4faOaAfgORbbaoRbigAcl4gCaCcsSgCE86bbalc93faOaCfgORbbaAcsGgAaAcsSgAE86bbalc94faOaAfgORbbaoRblgAcl4gCaCcsSgCE86bbalc95faOaCfgORbbaAcsGgAaAcsSgAE86bbalc96faOaAfgORbbaoRbvgAcl4gCaCcsSgCE86bbalc97faOaCfgORbbaAcsGgAaAcsSgAE86bbalc98faOaAfgORbbaoRbogAcl4gCaCcsSgCE86bbalc99faOaCfgORbbaAcsGgAaAcsSgAE86bbalc9:faOaAfgORbbaoRbrgocl4gAaAcsSgAE86bbalcufaOaAfglRbbaocsGgoaocsSgoE86bbalaofhoxekalao8Pbb83bbalcwfaocwf8Pbb83bbaoczfhokdnaiam9pmbaHcdfhHaiczfhlarao9RcL0mekkaiam6mvaoTmvdnakTmbawaPfRbbhHawcj;cbfhlashiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkkascefhsaohzaPcefgPad9hmbxikkcbc99arao9Radcaadca0ESEhoxlkaoaxad2fhCdnakmbadhlinaoTmlarao9Rax6mlaoaxfhoalcufglmbkaChoxekcbhmawcjdfhAinarao9Rax6miawamfRbbhHawcj;cbfhlaAhiakhOinaialRbbgzce4cbazceG9R7aHfgH86bbaiadfhialcefhlaOcufgOmbkaAcefhAaoaxfhoamcefgmad9hmbkaChokabaqad2fawcjdfakad2z1jjjb8Aawawcjdfakcufad2fadz1jjjb8Aakaqfhqaombkc9:hoxekc9:hokavcj;ebf8Kjjjjbaok;cseHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecjez:jjjjb8AavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:Lvoeue99dud99eud99dndnadcl9hmbaeTmeindndnabcdfgd8Sbb:Yab8Sbbgi:Ygl:l:tabcefgv8Sbbgo:Ygr:l:tgwJbb;:9cawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai86bbdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad86bbdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad86bbabclfhbaecufgembxdkkaeTmbindndnabclfgd8Ueb:Yab8Uebgi:Ygl:l:tabcdfgv8Uebgo:Ygr:l:tgwJb;:FSawawNJbbbbawawJbbbb9GgDEgq:mgkaqaicb9iEalMgwawNakaqaocb9iEarMgqaqNMM:r:vglNJbbbZJbbb:;aDEMgr:lJbbb9p9DTmbar:Ohixekcjjjj94hikadai87ebdndnaqalNJbbbZJbbb:;aqJbbbb9GEMgq:lJbbb9p9DTmbaq:Ohdxekcjjjj94hdkavad87ebdndnawalNJbbbZJbbb:;awJbbbb9GEMgw:lJbbb9p9DTmbaw:Ohdxekcjjjj94hdkabad87ebabcwfhbaecufgembkkk;oiliui99iue99dnaeTmbcbhiabhlindndnJ;Zl81Zalcof8UebgvciV:Y:vgoal8Ueb:YNgrJb;:FSNJbbbZJbbb:;arJbbbb9GEMgw:lJbbb9p9DTmbaw:OhDxekcjjjj94hDkalclf8Uebhqalcdf8UebhkabaiavcefciGfcetfaD87ebdndnaoak:YNgwJb;:FSNJbbbZJbbb:;awJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavciGfgkcd7cetfaD87ebdndnaoaq:YNgoJb;:FSNJbbbZJbbb:;aoJbbbb9GEMgx:lJbbb9p9DTmbax:OhDxekcjjjj94hDkabaiavcufciGfcetfaD87ebdndnJbbjZararN:tawawN:taoaoN:tgrJbbbbarJbbbb9GE:rJb;:FSNJbbbZMgr:lJbbb9p9DTmbar:Ohvxekcjjjj94hvkabakcetfav87ebalcwfhlaiclfhiaecufgembkkk9mbdnadcd4ae2gdTmbinababydbgecwtcw91:Yaece91cjjj98Gcjjj;8if::NUdbabclfhbadcufgdmbkkk9teiucbcbydj1jjbgeabcifc98GfgbBdj1jjbdndnabZbcztgd9nmbcuhiabad9RcFFifcz4nbcuSmekaehikaik;LeeeudndnaeabVciGTmbabhixekdndnadcz9pmbabhixekabhiinaiaeydbBdbaiclfaeclfydbBdbaicwfaecwfydbBdbaicxfaecxfydbBdbaeczfheaiczfhiadc9Wfgdcs0mbkkadcl6mbinaiaeydbBdbaeclfheaiclfhiadc98fgdci0mbkkdnadTmbinaiaeRbb86bbaicefhiaecefheadcufgdmbkkabk;aeedudndnabciGTmbabhixekaecFeGc:b:c:ew2hldndnadcz9pmbabhixekabhiinaialBdbaicxfalBdbaicwfalBdbaiclfalBdbaiczfhiadc9Wfgdcs0mbkkadcl6mbinaialBdbaiclfhiadc98fgdci0mbkkdnadTmbinaiae86bbaicefhiadcufgdmbkkabkkkebcjwklzNbb'; // embed! base + var wasm_simd = + 'b9H79TebbbeKl9Gbb9Gvuuuuueu9Giuuub9Geueuikqbbebeedddilve9Weeeviebeoweuec:q:6dkr;leDo9TW9T9VV95dbH9F9F939H79T9F9J9H229F9Jt9VV7bb8A9TW79O9V9Wt9F9KW9J9V9KW9wWVtW949c919M9MWVbdY9TW79O9V9Wt9F9KW9J9V9KW69U9KW949c919M9MWVblE9TW79O9V9Wt9F9KW9J9V9KW69U9KW949tWG91W9U9JWbvL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9p9JtboK9TW79O9V9Wt9F9KW9J9V9KWS9P2tWV9r919HtbrL9TW79O9V9Wt9F9KW9J9V9KWS9P2tWVT949Wbwl79IV9RbDq:p9sqlbzik9:evu8Jjjjjbcz9Rhbcbheincbhdcbhiinabcwfadfaicjuaead4ceGglE86bbaialfhiadcefgdcw9hmbkaec:q:yjjbfai86bbaecitc:q1jjbfab8Piw83ibaecefgecjd9hmbkk:N8JlHud97euo978Jjjjjbcj;kb9Rgv8Kjjjjbc9:hodnadcefal0mbcuhoaiRbbc:Ge9hmbavaialfgrad9Rad;8qbbcj;abad9UhlaicefhodnaeTmbadTmbalc;WFbGglcjdalcjd6EhwcbhDinawaeaD9RaDawfae6Egqcsfglc9WGgkci2hxakcethmalcl4cifcd4hPabaDad2fhsakc;ab6hzcbhHincbhOaohAdndninaraA9RaP6meavcj;cbfaOak2fhCaAaPfhocbhidnazmbarao9Rc;Gb6mbcbhlinaCalfhidndndndndnaAalco4fRbbgXciGPlbedibkaipxbbbbbbbbbbbbbbbbpklbxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklbaoczfhokdndndndndnaXcd4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklzxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklzaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklzaoczfhokdndndndndnaXcl4ciGPlbedibkaipxbbbbbbbbbbbbbbbbpklaxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spklaaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaiaopbbbpklaaoczfhokdndndndndnaXco4Plbedibkaipxbbbbbbbbbbbbbbbbpkl8WxikaiaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaoclfaYpQbfaXc:q:yjjbfRbbfhoxdkaiaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibaXc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgXcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkl8WaocwfaYpQbfaXc:q:yjjbfRbbfhoxekaiaopbbbpkl8Waoczfhokalc;abfhialcjefak0meaihlarao9Rc;Fb0mbkkdnaiak9pmbaici4hlinarao9RcK6miaCaifhXdndndndndnaAaico4fRbbalcoG4ciGPlbedibkaXpxbbbbbbbbbbbbbbbbpkbbxikaXaopbblaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLgQcdp:meaQpmbzeHdOiAlCvXoQrLpxiiiiiiiiiiiiiiiip9ogLpxiiiiiiiiiiiiiiiip8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaoclfaYpQbfaKc:q:yjjbfRbbfhoxdkaXaopbbwaopbbbgQclp:meaQpmbzeHdOiAlCvXoQrLpxssssssssssssssssp9ogLpxssssssssssssssssp8JgQp5b9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibaKc:q:yjjbfpbbbgYaYpmbbbbbbbbbbbbbbbbaQp5e9cjF;8;4;W;G;ab9:9cU1:NgKcitc:q1jjbfpbibp9UpmbedilvorzHOACXQLpPaLaQp9spkbbaocwfaYpQbfaKc:q:yjjbfRbbfhoxekaXaopbbbpkbbaoczfhokalcdfhlaiczfgiak6mbkkaoTmeaohAaOcefgOclSmdxbkkc9:hoxlkdnakTmbavcjdfaHfhiavaHfpbdbhYcbhXinaiavcj;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;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;:eSgHfhraOcsGhCaOcl4hAdndnaOcs0mbarcefhoxekarhoavawaA9RcsGcdtfydbhrkdndnaCmbaocefhxxekaohxavawaO9RcsGcdtfydbhokdndnaHTmbaicefhHxekaicdfhHai8SbegscFeGhzdnascu9kmbaicofhXazcFbGhzcrhidninaH8SbbgscFbGaitazVhzascu9kmeaHcefhHaicrfgic8J9hmbkaXhHxekaHcefhHkazce4cbazceG9R7amfgmhzkdndnaAcsSmbaHhsxekaHcefhsaH8SbbgicFeGhrdnaicu9kmbaHcvfhXarcFbGhrcrhidninas8SbbgHcFbGaitarVhraHcu9kmeascefhsaicrfgic8J9hmbkaXhsxekascefhskarce4cbarceG9R7amfgmhrkdndnaCcsSmbashixekascefhias8SbbgocFeGhHdnaocu9kmbascvfhXaHcFbGhHcrhodninai8SbbgscFbGaotaHVhHascu9kmeaicefhiaocrfgoc8J9hmbkaXhixekaicefhikaHce4cbaHceG9R7amfgmhokdndnadcd9hmbabaPcetfgHaz87ebaHclfao87ebaHcdfar87ebxekabaPcdtfgHazBdbaHcwfaoBdbaHclfarBdbkcdhsavawcdtfazBdbavawcefgwcsGcdtfarBdbcihHavc;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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// embed! simd + + var detector = new Uint8Array([ + 0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0, + 11, 7, 0, 65, 0, 253, 15, 26, 11, + ]); + var wasmpack = new Uint8Array([ + 32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67, + 24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115, + ]); + + if (typeof WebAssembly !== 'object') { + return { + supported: false, + }; + } + + var wasm = WebAssembly.validate(detector) ? unpack(wasm_simd) : unpack(wasm_base); + + var instance; + + var ready = WebAssembly.instantiate(wasm, {}).then(function (result) { + instance = result.instance; + instance.exports.__wasm_call_ctors(); + }); + + function unpack(data) { + var result = new Uint8Array(data.length); + for (var i = 0; i < data.length; ++i) { + var ch = data.charCodeAt(i); + result[i] = ch > 96 ? ch - 97 : ch > 64 ? ch - 39 : ch + 4; + } + var write = 0; + for (var i = 0; i < data.length; ++i) { + result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i]; + } + return result.buffer.slice(0, write); + } + + function decode(instance, fun, target, count, size, source, filter) { + var sbrk = instance.exports.sbrk; + var count4 = (count + 3) & ~3; + var tp = sbrk(count4 * size); + var sp = sbrk(source.length); + var heap = new Uint8Array(instance.exports.memory.buffer); + heap.set(source, sp); + var res = fun(tp, count, size, sp, source.length); + if (res == 0 && filter) { + filter(tp, count4, size); + } + target.set(heap.subarray(tp, tp + count * size)); + sbrk(tp - sbrk(0)); + if (res != 0) { + throw new Error('Malformed buffer data: ' + res); + } + } + + var filters = { + NONE: '', + OCTAHEDRAL: 'meshopt_decodeFilterOct', + QUATERNION: 'meshopt_decodeFilterQuat', + EXPONENTIAL: 'meshopt_decodeFilterExp', + }; + + var decoders = { + ATTRIBUTES: 'meshopt_decodeVertexBuffer', + TRIANGLES: 'meshopt_decodeIndexBuffer', + INDICES: 'meshopt_decodeIndexSequence', + }; + + var workers = []; + var requestId = 0; + + function createWorker(url) { + var worker = { + object: new Worker(url), + pending: 0, + requests: {}, + }; + + worker.object.onmessage = function (event) { + var data = event.data; + + worker.pending -= data.count; + worker.requests[data.id][data.action](data.value); + delete worker.requests[data.id]; + }; + + return worker; + } + + function initWorkers(count) { + var source = + 'self.ready = WebAssembly.instantiate(new Uint8Array([' + + new Uint8Array(wasm) + + ']), {})' + + '.then(function(result) { result.instance.exports.__wasm_call_ctors(); return result.instance; });' + + 'self.onmessage = ' + + workerProcess.name + + ';' + + decode.toString() + + workerProcess.toString(); + + var blob = new Blob([source], { type: 'text/javascript' }); + var url = URL.createObjectURL(blob); + + for (var i = workers.length; i < count; ++i) { + workers[i] = createWorker(url); + } + + for (var i = count; i < workers.length; ++i) { + workers[i].object.postMessage({}); + } + + workers.length = count; + + URL.revokeObjectURL(url); + } + + function decodeWorker(count, size, source, mode, filter) { + var worker = workers[0]; + + for (var i = 1; i < workers.length; ++i) { + if (workers[i].pending < worker.pending) { + worker = workers[i]; + } + } + + return new Promise(function (resolve, reject) { + var data = new Uint8Array(source); + var id = ++requestId; + + worker.pending += count; + worker.requests[id] = { resolve: resolve, reject: reject }; + worker.object.postMessage({ id: id, count: count, size: size, source: data, mode: mode, filter: filter }, [data.buffer]); + }); + } + + function workerProcess(event) { + var data = event.data; + if (!data.id) { + return self.close(); + } + self.ready.then(function (instance) { + try { + var target = new Uint8Array(data.count * data.size); + decode(instance, instance.exports[data.mode], target, data.count, data.size, data.source, instance.exports[data.filter]); + self.postMessage({ id: data.id, count: data.count, action: 'resolve', value: target }, [target.buffer]); + } catch (error) { + self.postMessage({ id: data.id, count: data.count, action: 'reject', value: error }); + } + }); + } + + return { + ready: ready, + supported: true, + useWorkers: function (count) { + initWorkers(count); + }, + decodeVertexBuffer: function (target, count, size, source, filter) { + decode(instance, instance.exports.meshopt_decodeVertexBuffer, target, count, size, source, instance.exports[filters[filter]]); + }, + decodeIndexBuffer: function (target, count, size, source) { + decode(instance, instance.exports.meshopt_decodeIndexBuffer, target, count, size, source); + }, + decodeIndexSequence: function (target, count, size, source) { + decode(instance, instance.exports.meshopt_decodeIndexSequence, target, count, size, source); + }, + decodeGltfBuffer: function (target, count, size, source, mode, filter) { + decode(instance, instance.exports[decoders[mode]], target, count, size, source, instance.exports[filters[filter]]); + }, + decodeGltfBufferAsync: function (count, size, source, mode, filter) { + if (workers.length > 0) { + return decodeWorker(count, size, source, decoders[mode], filters[filter]); + } + + return ready.then(function () { + var target = new Uint8Array(count * size); + decode(instance, instance.exports[decoders[mode]], target, count, size, source, instance.exports[filters[filter]]); + return target; + }); + }, + }; +})(); + +export { MeshoptDecoder }; diff --git a/node_modules/three/examples/jsm/libs/mikktspace.module.js b/node_modules/three/examples/jsm/libs/mikktspace.module.js new file mode 100644 index 0000000..0a1baaa --- /dev/null +++ b/node_modules/three/examples/jsm/libs/mikktspace.module.js @@ -0,0 +1,128 @@ +const lTextDecoder = typeof TextDecoder === 'undefined' ? (0, module.require)('util').TextDecoder : TextDecoder; + +let cachedTextDecoder = new lTextDecoder('utf-8', { ignoreBOM: true, fatal: true }); + +cachedTextDecoder.decode(); + +let cachegetUint8Memory0 = null; +function getUint8Memory0() { + if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) { + cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer); + } + return cachegetUint8Memory0; +} + +function getStringFromWasm0(ptr, len) { + return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len)); +} + +const heap = new Array(32).fill(undefined); + +heap.push(undefined, null, true, false); + +let heap_next = heap.length; + +function addHeapObject(obj) { + if (heap_next === heap.length) heap.push(heap.length + 1); + const idx = heap_next; + heap_next = heap[idx]; + + heap[idx] = obj; + return idx; +} + +function getObject(idx) { return heap[idx]; } + +function dropObject(idx) { + if (idx < 36) return; + heap[idx] = heap_next; + heap_next = idx; +} + +function takeObject(idx) { + const ret = getObject(idx); + dropObject(idx); + return ret; +} + +let cachegetFloat32Memory0 = null; +function getFloat32Memory0() { + if (cachegetFloat32Memory0 === null || cachegetFloat32Memory0.buffer !== wasm.memory.buffer) { + cachegetFloat32Memory0 = new Float32Array(wasm.memory.buffer); + } + return cachegetFloat32Memory0; +} + +let WASM_VECTOR_LEN = 0; + +function passArrayF32ToWasm0(arg, malloc) { + const ptr = malloc(arg.length * 4); + getFloat32Memory0().set(arg, ptr / 4); + WASM_VECTOR_LEN = arg.length; + return ptr; +} + +let cachegetInt32Memory0 = null; +function getInt32Memory0() { + if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) { + cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer); + } + return cachegetInt32Memory0; +} + +function getArrayF32FromWasm0(ptr, len) { + return getFloat32Memory0().subarray(ptr / 4, ptr / 4 + len); +} +/** +* Generates vertex tangents for the given position/normal/texcoord attributes. +* @param {Float32Array} position +* @param {Float32Array} normal +* @param {Float32Array} texcoord +* @returns {Float32Array} +*/ +export function generateTangents(position, normal, texcoord) { + try { + const retptr = wasm.__wbindgen_add_to_stack_pointer(-16); + var ptr0 = passArrayF32ToWasm0(position, wasm.__wbindgen_malloc); + var len0 = WASM_VECTOR_LEN; + var ptr1 = passArrayF32ToWasm0(normal, wasm.__wbindgen_malloc); + var len1 = WASM_VECTOR_LEN; + var ptr2 = passArrayF32ToWasm0(texcoord, wasm.__wbindgen_malloc); + var len2 = WASM_VECTOR_LEN; + wasm.generateTangents(retptr, ptr0, len0, ptr1, len1, ptr2, len2); + var r0 = getInt32Memory0()[retptr / 4 + 0]; + var r1 = getInt32Memory0()[retptr / 4 + 1]; + var v3 = getArrayF32FromWasm0(r0, r1).slice(); + wasm.__wbindgen_free(r0, r1 * 4); + return v3; + } finally { + wasm.__wbindgen_add_to_stack_pointer(16); + } +} + +export const __wbindgen_string_new = function(arg0, arg1) { + var ret = getStringFromWasm0(arg0, arg1); + return addHeapObject(ret); +}; + +export const __wbindgen_rethrow = function(arg0) { + throw takeObject(arg0); +}; + +// + +const wasmDataURI = 'data:application/octet-stream;base64,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'; + +export let wasm; + +export let isReady = false; + +export const ready = fetch(wasmDataURI) + .then((res) => res.arrayBuffer()) + .then((buffer) => WebAssembly.instantiate(buffer, { + './mikktspace_module_bg.js': {__wbindgen_string_new, __wbindgen_rethrow} + })) + .then((result) => { + wasm = result.instance.exports; + isReady = true; + }); diff --git a/node_modules/three/examples/jsm/libs/motion-controllers.module.js b/node_modules/three/examples/jsm/libs/motion-controllers.module.js new file mode 100644 index 0000000..ef36613 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/motion-controllers.module.js @@ -0,0 +1,397 @@ +/** + * @webxr-input-profiles/motion-controllers 1.0.0 https://github.com/immersive-web/webxr-input-profiles + */ + +const Constants = { + Handedness: Object.freeze({ + NONE: 'none', + LEFT: 'left', + RIGHT: 'right' + }), + + ComponentState: Object.freeze({ + DEFAULT: 'default', + TOUCHED: 'touched', + PRESSED: 'pressed' + }), + + ComponentProperty: Object.freeze({ + BUTTON: 'button', + X_AXIS: 'xAxis', + Y_AXIS: 'yAxis', + STATE: 'state' + }), + + ComponentType: Object.freeze({ + TRIGGER: 'trigger', + SQUEEZE: 'squeeze', + TOUCHPAD: 'touchpad', + THUMBSTICK: 'thumbstick', + BUTTON: 'button' + }), + + ButtonTouchThreshold: 0.05, + + AxisTouchThreshold: 0.1, + + VisualResponseProperty: Object.freeze({ + TRANSFORM: 'transform', + VISIBILITY: 'visibility' + }) +}; + +/** + * @description Static helper function to fetch a JSON file and turn it into a JS object + * @param {string} path - Path to JSON file to be fetched + */ +async function fetchJsonFile(path) { + const response = await fetch(path); + if (!response.ok) { + throw new Error(response.statusText); + } else { + return response.json(); + } +} + +async function fetchProfilesList(basePath) { + if (!basePath) { + throw new Error('No basePath supplied'); + } + + const profileListFileName = 'profilesList.json'; + const profilesList = await fetchJsonFile(`${basePath}/${profileListFileName}`); + return profilesList; +} + +async function fetchProfile(xrInputSource, basePath, defaultProfile = null, getAssetPath = true) { + if (!xrInputSource) { + throw new Error('No xrInputSource supplied'); + } + + if (!basePath) { + throw new Error('No basePath supplied'); + } + + // Get the list of profiles + const supportedProfilesList = await fetchProfilesList(basePath); + + // Find the relative path to the first requested profile that is recognized + let match; + xrInputSource.profiles.some((profileId) => { + const supportedProfile = supportedProfilesList[profileId]; + if (supportedProfile) { + match = { + profileId, + profilePath: `${basePath}/${supportedProfile.path}`, + deprecated: !!supportedProfile.deprecated + }; + } + return !!match; + }); + + if (!match) { + if (!defaultProfile) { + throw new Error('No matching profile name found'); + } + + const supportedProfile = supportedProfilesList[defaultProfile]; + if (!supportedProfile) { + throw new Error(`No matching profile name found and default profile "${defaultProfile}" missing.`); + } + + match = { + profileId: defaultProfile, + profilePath: `${basePath}/${supportedProfile.path}`, + deprecated: !!supportedProfile.deprecated + }; + } + + const profile = await fetchJsonFile(match.profilePath); + + let assetPath; + if (getAssetPath) { + let layout; + if (xrInputSource.handedness === 'any') { + layout = profile.layouts[Object.keys(profile.layouts)[0]]; + } else { + layout = profile.layouts[xrInputSource.handedness]; + } + if (!layout) { + throw new Error( + `No matching handedness, ${xrInputSource.handedness}, in profile ${match.profileId}` + ); + } + + if (layout.assetPath) { + assetPath = match.profilePath.replace('profile.json', layout.assetPath); + } + } + + return { profile, assetPath }; +} + +/** @constant {Object} */ +const defaultComponentValues = { + xAxis: 0, + yAxis: 0, + button: 0, + state: Constants.ComponentState.DEFAULT +}; + +/** + * @description Converts an X, Y coordinate from the range -1 to 1 (as reported by the Gamepad + * API) to the range 0 to 1 (for interpolation). Also caps the X, Y values to be bounded within + * a circle. This ensures that thumbsticks are not animated outside the bounds of their physical + * range of motion and touchpads do not report touch locations off their physical bounds. + * @param {number} x The original x coordinate in the range -1 to 1 + * @param {number} y The original y coordinate in the range -1 to 1 + */ +function normalizeAxes(x = 0, y = 0) { + let xAxis = x; + let yAxis = y; + + // Determine if the point is outside the bounds of the circle + // and, if so, place it on the edge of the circle + const hypotenuse = Math.sqrt((x * x) + (y * y)); + if (hypotenuse > 1) { + const theta = Math.atan2(y, x); + xAxis = Math.cos(theta); + yAxis = Math.sin(theta); + } + + // Scale and move the circle so values are in the interpolation range. The circle's origin moves + // from (0, 0) to (0.5, 0.5). The circle's radius scales from 1 to be 0.5. + const result = { + normalizedXAxis: (xAxis * 0.5) + 0.5, + normalizedYAxis: (yAxis * 0.5) + 0.5 + }; + return result; +} + +/** + * Contains the description of how the 3D model should visually respond to a specific user input. + * This is accomplished by initializing the object with the name of a node in the 3D model and + * property that need to be modified in response to user input, the name of the nodes representing + * the allowable range of motion, and the name of the input which triggers the change. In response + * to the named input changing, this object computes the appropriate weighting to use for + * interpolating between the range of motion nodes. + */ +class VisualResponse { + constructor(visualResponseDescription) { + this.componentProperty = visualResponseDescription.componentProperty; + this.states = visualResponseDescription.states; + this.valueNodeName = visualResponseDescription.valueNodeName; + this.valueNodeProperty = visualResponseDescription.valueNodeProperty; + + if (this.valueNodeProperty === Constants.VisualResponseProperty.TRANSFORM) { + this.minNodeName = visualResponseDescription.minNodeName; + this.maxNodeName = visualResponseDescription.maxNodeName; + } + + // Initializes the response's current value based on default data + this.value = 0; + this.updateFromComponent(defaultComponentValues); + } + + /** + * Computes the visual response's interpolation weight based on component state + * @param {Object} componentValues - The component from which to update + * @param {number} xAxis - The reported X axis value of the component + * @param {number} yAxis - The reported Y axis value of the component + * @param {number} button - The reported value of the component's button + * @param {string} state - The component's active state + */ + updateFromComponent({ + xAxis, yAxis, button, state + }) { + const { normalizedXAxis, normalizedYAxis } = normalizeAxes(xAxis, yAxis); + switch (this.componentProperty) { + case Constants.ComponentProperty.X_AXIS: + this.value = (this.states.includes(state)) ? normalizedXAxis : 0.5; + break; + case Constants.ComponentProperty.Y_AXIS: + this.value = (this.states.includes(state)) ? normalizedYAxis : 0.5; + break; + case Constants.ComponentProperty.BUTTON: + this.value = (this.states.includes(state)) ? button : 0; + break; + case Constants.ComponentProperty.STATE: + if (this.valueNodeProperty === Constants.VisualResponseProperty.VISIBILITY) { + this.value = (this.states.includes(state)); + } else { + this.value = this.states.includes(state) ? 1.0 : 0.0; + } + break; + default: + throw new Error(`Unexpected visualResponse componentProperty ${this.componentProperty}`); + } + } +} + +class Component { + /** + * @param {Object} componentId - Id of the component + * @param {Object} componentDescription - Description of the component to be created + */ + constructor(componentId, componentDescription) { + if (!componentId + || !componentDescription + || !componentDescription.visualResponses + || !componentDescription.gamepadIndices + || Object.keys(componentDescription.gamepadIndices).length === 0) { + throw new Error('Invalid arguments supplied'); + } + + this.id = componentId; + this.type = componentDescription.type; + this.rootNodeName = componentDescription.rootNodeName; + this.touchPointNodeName = componentDescription.touchPointNodeName; + + // Build all the visual responses for this component + this.visualResponses = {}; + Object.keys(componentDescription.visualResponses).forEach((responseName) => { + const visualResponse = new VisualResponse(componentDescription.visualResponses[responseName]); + this.visualResponses[responseName] = visualResponse; + }); + + // Set default values + this.gamepadIndices = Object.assign({}, componentDescription.gamepadIndices); + + this.values = { + state: Constants.ComponentState.DEFAULT, + button: (this.gamepadIndices.button !== undefined) ? 0 : undefined, + xAxis: (this.gamepadIndices.xAxis !== undefined) ? 0 : undefined, + yAxis: (this.gamepadIndices.yAxis !== undefined) ? 0 : undefined + }; + } + + get data() { + const data = { id: this.id, ...this.values }; + return data; + } + + /** + * @description Poll for updated data based on current gamepad state + * @param {Object} gamepad - The gamepad object from which the component data should be polled + */ + updateFromGamepad(gamepad) { + // Set the state to default before processing other data sources + this.values.state = Constants.ComponentState.DEFAULT; + + // Get and normalize button + if (this.gamepadIndices.button !== undefined + && gamepad.buttons.length > this.gamepadIndices.button) { + const gamepadButton = gamepad.buttons[this.gamepadIndices.button]; + this.values.button = gamepadButton.value; + this.values.button = (this.values.button < 0) ? 0 : this.values.button; + this.values.button = (this.values.button > 1) ? 1 : this.values.button; + + // Set the state based on the button + if (gamepadButton.pressed || this.values.button === 1) { + this.values.state = Constants.ComponentState.PRESSED; + } else if (gamepadButton.touched || this.values.button > Constants.ButtonTouchThreshold) { + this.values.state = Constants.ComponentState.TOUCHED; + } + } + + // Get and normalize x axis value + if (this.gamepadIndices.xAxis !== undefined + && gamepad.axes.length > this.gamepadIndices.xAxis) { + this.values.xAxis = gamepad.axes[this.gamepadIndices.xAxis]; + this.values.xAxis = (this.values.xAxis < -1) ? -1 : this.values.xAxis; + this.values.xAxis = (this.values.xAxis > 1) ? 1 : this.values.xAxis; + + // If the state is still default, check if the xAxis makes it touched + if (this.values.state === Constants.ComponentState.DEFAULT + && Math.abs(this.values.xAxis) > Constants.AxisTouchThreshold) { + this.values.state = Constants.ComponentState.TOUCHED; + } + } + + // Get and normalize Y axis value + if (this.gamepadIndices.yAxis !== undefined + && gamepad.axes.length > this.gamepadIndices.yAxis) { + this.values.yAxis = gamepad.axes[this.gamepadIndices.yAxis]; + this.values.yAxis = (this.values.yAxis < -1) ? -1 : this.values.yAxis; + this.values.yAxis = (this.values.yAxis > 1) ? 1 : this.values.yAxis; + + // If the state is still default, check if the yAxis makes it touched + if (this.values.state === Constants.ComponentState.DEFAULT + && Math.abs(this.values.yAxis) > Constants.AxisTouchThreshold) { + this.values.state = Constants.ComponentState.TOUCHED; + } + } + + // Update the visual response weights based on the current component data + Object.values(this.visualResponses).forEach((visualResponse) => { + visualResponse.updateFromComponent(this.values); + }); + } +} + +/** + * @description Builds a motion controller with components and visual responses based on the + * supplied profile description. Data is polled from the xrInputSource's gamepad. + * @author Nell Waliczek / https://github.com/NellWaliczek +*/ +class MotionController { + /** + * @param {Object} xrInputSource - The XRInputSource to build the MotionController around + * @param {Object} profile - The best matched profile description for the supplied xrInputSource + * @param {string} assetUrl + */ + constructor(xrInputSource, profile, assetUrl) { + if (!xrInputSource) { + throw new Error('No xrInputSource supplied'); + } + + if (!profile) { + throw new Error('No profile supplied'); + } + + this.xrInputSource = xrInputSource; + this.assetUrl = assetUrl; + this.id = profile.profileId; + + // Build child components as described in the profile description + this.layoutDescription = profile.layouts[xrInputSource.handedness]; + this.components = {}; + Object.keys(this.layoutDescription.components).forEach((componentId) => { + const componentDescription = this.layoutDescription.components[componentId]; + this.components[componentId] = new Component(componentId, componentDescription); + }); + + // Initialize components based on current gamepad state + this.updateFromGamepad(); + } + + get gripSpace() { + return this.xrInputSource.gripSpace; + } + + get targetRaySpace() { + return this.xrInputSource.targetRaySpace; + } + + /** + * @description Returns a subset of component data for simplified debugging + */ + get data() { + const data = []; + Object.values(this.components).forEach((component) => { + data.push(component.data); + }); + return data; + } + + /** + * @description Poll for updated data based on current gamepad state + */ + updateFromGamepad() { + Object.values(this.components).forEach((component) => { + component.updateFromGamepad(this.xrInputSource.gamepad); + }); + } +} + +export { Constants, MotionController, fetchProfile, fetchProfilesList }; diff --git a/node_modules/three/examples/jsm/libs/opentype.module.js b/node_modules/three/examples/jsm/libs/opentype.module.js new file mode 100644 index 0000000..7b5d64e --- /dev/null +++ b/node_modules/three/examples/jsm/libs/opentype.module.js @@ -0,0 +1,14506 @@ +/** + * https://opentype.js.org v1.3.4 | (c) Frederik De Bleser and other contributors | MIT License | Uses tiny-inflate by Devon Govett and string.prototype.codepointat polyfill by Mathias Bynens + */ + +/*! https://mths.be/codepointat v0.2.0 by @mathias */ +if (!String.prototype.codePointAt) { + (function() { + var defineProperty = (function() { + // IE 8 only supports `Object.defineProperty` on DOM elements + try { + var object = {}; + var $defineProperty = Object.defineProperty; + var result = $defineProperty(object, object, object) && $defineProperty; + } catch(error) {} + return result; + }()); + var codePointAt = function(position) { + if (this == null) { + throw TypeError(); + } + var string = String(this); + var size = string.length; + // `ToInteger` + var index = position ? Number(position) : 0; + if (index != index) { // better `isNaN` + index = 0; + } + // Account for out-of-bounds indices: + if (index < 0 || index >= size) { + return undefined; + } + // Get the first code unit + var first = string.charCodeAt(index); + var second; + if ( // check if it’s the start of a surrogate pair + first >= 0xD800 && first <= 0xDBFF && // high surrogate + size > index + 1 // there is a next code unit + ) { + second = string.charCodeAt(index + 1); + if (second >= 0xDC00 && second <= 0xDFFF) { // low surrogate + // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; + } + } + return first; + }; + if (defineProperty) { + defineProperty(String.prototype, 'codePointAt', { + 'value': codePointAt, + 'configurable': true, + 'writable': true + }); + } else { + String.prototype.codePointAt = codePointAt; + } + }()); +} + +var TINF_OK = 0; +var TINF_DATA_ERROR = -3; + +function Tree() { + this.table = new Uint16Array(16); /* table of code length counts */ + this.trans = new Uint16Array(288); /* code -> symbol translation table */ +} + +function Data(source, dest) { + this.source = source; + this.sourceIndex = 0; + this.tag = 0; + this.bitcount = 0; + + this.dest = dest; + this.destLen = 0; + + this.ltree = new Tree(); /* dynamic length/symbol tree */ + this.dtree = new Tree(); /* dynamic distance tree */ +} + +/* --------------------------------------------------- * + * -- uninitialized global data (static structures) -- * + * --------------------------------------------------- */ + +var sltree = new Tree(); +var sdtree = new Tree(); + +/* extra bits and base tables for length codes */ +var length_bits = new Uint8Array(30); +var length_base = new Uint16Array(30); + +/* extra bits and base tables for distance codes */ +var dist_bits = new Uint8Array(30); +var dist_base = new Uint16Array(30); + +/* special ordering of code length codes */ +var clcidx = new Uint8Array([ + 16, 17, 18, 0, 8, 7, 9, 6, + 10, 5, 11, 4, 12, 3, 13, 2, + 14, 1, 15 +]); + +/* used by tinf_decode_trees, avoids allocations every call */ +var code_tree = new Tree(); +var lengths = new Uint8Array(288 + 32); + +/* ----------------------- * + * -- utility functions -- * + * ----------------------- */ + +/* build extra bits and base tables */ +function tinf_build_bits_base(bits, base, delta, first) { + var i, sum; + + /* build bits table */ + for (i = 0; i < delta; ++i) { bits[i] = 0; } + for (i = 0; i < 30 - delta; ++i) { bits[i + delta] = i / delta | 0; } + + /* build base table */ + for (sum = first, i = 0; i < 30; ++i) { + base[i] = sum; + sum += 1 << bits[i]; + } +} + +/* build the fixed huffman trees */ +function tinf_build_fixed_trees(lt, dt) { + var i; + + /* build fixed length tree */ + for (i = 0; i < 7; ++i) { lt.table[i] = 0; } + + lt.table[7] = 24; + lt.table[8] = 152; + lt.table[9] = 112; + + for (i = 0; i < 24; ++i) { lt.trans[i] = 256 + i; } + for (i = 0; i < 144; ++i) { lt.trans[24 + i] = i; } + for (i = 0; i < 8; ++i) { lt.trans[24 + 144 + i] = 280 + i; } + for (i = 0; i < 112; ++i) { lt.trans[24 + 144 + 8 + i] = 144 + i; } + + /* build fixed distance tree */ + for (i = 0; i < 5; ++i) { dt.table[i] = 0; } + + dt.table[5] = 32; + + for (i = 0; i < 32; ++i) { dt.trans[i] = i; } +} + +/* given an array of code lengths, build a tree */ +var offs = new Uint16Array(16); + +function tinf_build_tree(t, lengths, off, num) { + var i, sum; + + /* clear code length count table */ + for (i = 0; i < 16; ++i) { t.table[i] = 0; } + + /* scan symbol lengths, and sum code length counts */ + for (i = 0; i < num; ++i) { t.table[lengths[off + i]]++; } + + t.table[0] = 0; + + /* compute offset table for distribution sort */ + for (sum = 0, i = 0; i < 16; ++i) { + offs[i] = sum; + sum += t.table[i]; + } + + /* create code->symbol translation table (symbols sorted by code) */ + for (i = 0; i < num; ++i) { + if (lengths[off + i]) { t.trans[offs[lengths[off + i]]++] = i; } + } +} + +/* ---------------------- * + * -- decode functions -- * + * ---------------------- */ + +/* get one bit from source stream */ +function tinf_getbit(d) { + /* check if tag is empty */ + if (!d.bitcount--) { + /* load next tag */ + d.tag = d.source[d.sourceIndex++]; + d.bitcount = 7; + } + + /* shift bit out of tag */ + var bit = d.tag & 1; + d.tag >>>= 1; + + return bit; +} + +/* read a num bit value from a stream and add base */ +function tinf_read_bits(d, num, base) { + if (!num) + { return base; } + + while (d.bitcount < 24) { + d.tag |= d.source[d.sourceIndex++] << d.bitcount; + d.bitcount += 8; + } + + var val = d.tag & (0xffff >>> (16 - num)); + d.tag >>>= num; + d.bitcount -= num; + return val + base; +} + +/* given a data stream and a tree, decode a symbol */ +function tinf_decode_symbol(d, t) { + while (d.bitcount < 24) { + d.tag |= d.source[d.sourceIndex++] << d.bitcount; + d.bitcount += 8; + } + + var sum = 0, cur = 0, len = 0; + var tag = d.tag; + + /* get more bits while code value is above sum */ + do { + cur = 2 * cur + (tag & 1); + tag >>>= 1; + ++len; + + sum += t.table[len]; + cur -= t.table[len]; + } while (cur >= 0); + + d.tag = tag; + d.bitcount -= len; + + return t.trans[sum + cur]; +} + +/* given a data stream, decode dynamic trees from it */ +function tinf_decode_trees(d, lt, dt) { + var hlit, hdist, hclen; + var i, num, length; + + /* get 5 bits HLIT (257-286) */ + hlit = tinf_read_bits(d, 5, 257); + + /* get 5 bits HDIST (1-32) */ + hdist = tinf_read_bits(d, 5, 1); + + /* get 4 bits HCLEN (4-19) */ + hclen = tinf_read_bits(d, 4, 4); + + for (i = 0; i < 19; ++i) { lengths[i] = 0; } + + /* read code lengths for code length alphabet */ + for (i = 0; i < hclen; ++i) { + /* get 3 bits code length (0-7) */ + var clen = tinf_read_bits(d, 3, 0); + lengths[clcidx[i]] = clen; + } + + /* build code length tree */ + tinf_build_tree(code_tree, lengths, 0, 19); + + /* decode code lengths for the dynamic trees */ + for (num = 0; num < hlit + hdist;) { + var sym = tinf_decode_symbol(d, code_tree); + + switch (sym) { + case 16: + /* copy previous code length 3-6 times (read 2 bits) */ + var prev = lengths[num - 1]; + for (length = tinf_read_bits(d, 2, 3); length; --length) { + lengths[num++] = prev; + } + break; + case 17: + /* repeat code length 0 for 3-10 times (read 3 bits) */ + for (length = tinf_read_bits(d, 3, 3); length; --length) { + lengths[num++] = 0; + } + break; + case 18: + /* repeat code length 0 for 11-138 times (read 7 bits) */ + for (length = tinf_read_bits(d, 7, 11); length; --length) { + lengths[num++] = 0; + } + break; + default: + /* values 0-15 represent the actual code lengths */ + lengths[num++] = sym; + break; + } + } + + /* build dynamic trees */ + tinf_build_tree(lt, lengths, 0, hlit); + tinf_build_tree(dt, lengths, hlit, hdist); +} + +/* ----------------------------- * + * -- block inflate functions -- * + * ----------------------------- */ + +/* given a stream and two trees, inflate a block of data */ +function tinf_inflate_block_data(d, lt, dt) { + while (1) { + var sym = tinf_decode_symbol(d, lt); + + /* check for end of block */ + if (sym === 256) { + return TINF_OK; + } + + if (sym < 256) { + d.dest[d.destLen++] = sym; + } else { + var length, dist, offs; + var i; + + sym -= 257; + + /* possibly get more bits from length code */ + length = tinf_read_bits(d, length_bits[sym], length_base[sym]); + + dist = tinf_decode_symbol(d, dt); + + /* possibly get more bits from distance code */ + offs = d.destLen - tinf_read_bits(d, dist_bits[dist], dist_base[dist]); + + /* copy match */ + for (i = offs; i < offs + length; ++i) { + d.dest[d.destLen++] = d.dest[i]; + } + } + } +} + +/* inflate an uncompressed block of data */ +function tinf_inflate_uncompressed_block(d) { + var length, invlength; + var i; + + /* unread from bitbuffer */ + while (d.bitcount > 8) { + d.sourceIndex--; + d.bitcount -= 8; + } + + /* get length */ + length = d.source[d.sourceIndex + 1]; + length = 256 * length + d.source[d.sourceIndex]; + + /* get one's complement of length */ + invlength = d.source[d.sourceIndex + 3]; + invlength = 256 * invlength + d.source[d.sourceIndex + 2]; + + /* check length */ + if (length !== (~invlength & 0x0000ffff)) + { return TINF_DATA_ERROR; } + + d.sourceIndex += 4; + + /* copy block */ + for (i = length; i; --i) + { d.dest[d.destLen++] = d.source[d.sourceIndex++]; } + + /* make sure we start next block on a byte boundary */ + d.bitcount = 0; + + return TINF_OK; +} + +/* inflate stream from source to dest */ +function tinf_uncompress(source, dest) { + var d = new Data(source, dest); + var bfinal, btype, res; + + do { + /* read final block flag */ + bfinal = tinf_getbit(d); + + /* read block type (2 bits) */ + btype = tinf_read_bits(d, 2, 0); + + /* decompress block */ + switch (btype) { + case 0: + /* decompress uncompressed block */ + res = tinf_inflate_uncompressed_block(d); + break; + case 1: + /* decompress block with fixed huffman trees */ + res = tinf_inflate_block_data(d, sltree, sdtree); + break; + case 2: + /* decompress block with dynamic huffman trees */ + tinf_decode_trees(d, d.ltree, d.dtree); + res = tinf_inflate_block_data(d, d.ltree, d.dtree); + break; + default: + res = TINF_DATA_ERROR; + } + + if (res !== TINF_OK) + { throw new Error('Data error'); } + + } while (!bfinal); + + if (d.destLen < d.dest.length) { + if (typeof d.dest.slice === 'function') + { return d.dest.slice(0, d.destLen); } + else + { return d.dest.subarray(0, d.destLen); } + } + + return d.dest; +} + +/* -------------------- * + * -- initialization -- * + * -------------------- */ + +/* build fixed huffman trees */ +tinf_build_fixed_trees(sltree, sdtree); + +/* build extra bits and base tables */ +tinf_build_bits_base(length_bits, length_base, 4, 3); +tinf_build_bits_base(dist_bits, dist_base, 2, 1); + +/* fix a special case */ +length_bits[28] = 0; +length_base[28] = 258; + +var tinyInflate = tinf_uncompress; + +// The Bounding Box object + +function derive(v0, v1, v2, v3, t) { + return Math.pow(1 - t, 3) * v0 + + 3 * Math.pow(1 - t, 2) * t * v1 + + 3 * (1 - t) * Math.pow(t, 2) * v2 + + Math.pow(t, 3) * v3; +} +/** + * A bounding box is an enclosing box that describes the smallest measure within which all the points lie. + * It is used to calculate the bounding box of a glyph or text path. + * + * On initialization, x1/y1/x2/y2 will be NaN. Check if the bounding box is empty using `isEmpty()`. + * + * @exports opentype.BoundingBox + * @class + * @constructor + */ +function BoundingBox() { + this.x1 = Number.NaN; + this.y1 = Number.NaN; + this.x2 = Number.NaN; + this.y2 = Number.NaN; +} + +/** + * Returns true if the bounding box is empty, that is, no points have been added to the box yet. + */ +BoundingBox.prototype.isEmpty = function() { + return isNaN(this.x1) || isNaN(this.y1) || isNaN(this.x2) || isNaN(this.y2); +}; + +/** + * Add the point to the bounding box. + * The x1/y1/x2/y2 coordinates of the bounding box will now encompass the given point. + * @param {number} x - The X coordinate of the point. + * @param {number} y - The Y coordinate of the point. + */ +BoundingBox.prototype.addPoint = function(x, y) { + if (typeof x === 'number') { + if (isNaN(this.x1) || isNaN(this.x2)) { + this.x1 = x; + this.x2 = x; + } + if (x < this.x1) { + this.x1 = x; + } + if (x > this.x2) { + this.x2 = x; + } + } + if (typeof y === 'number') { + if (isNaN(this.y1) || isNaN(this.y2)) { + this.y1 = y; + this.y2 = y; + } + if (y < this.y1) { + this.y1 = y; + } + if (y > this.y2) { + this.y2 = y; + } + } +}; + +/** + * Add a X coordinate to the bounding box. + * This extends the bounding box to include the X coordinate. + * This function is used internally inside of addBezier. + * @param {number} x - The X coordinate of the point. + */ +BoundingBox.prototype.addX = function(x) { + this.addPoint(x, null); +}; + +/** + * Add a Y coordinate to the bounding box. + * This extends the bounding box to include the Y coordinate. + * This function is used internally inside of addBezier. + * @param {number} y - The Y coordinate of the point. + */ +BoundingBox.prototype.addY = function(y) { + this.addPoint(null, y); +}; + +/** + * Add a Bézier curve to the bounding box. + * This extends the bounding box to include the entire Bézier. + * @param {number} x0 - The starting X coordinate. + * @param {number} y0 - The starting Y coordinate. + * @param {number} x1 - The X coordinate of the first control point. + * @param {number} y1 - The Y coordinate of the first control point. + * @param {number} x2 - The X coordinate of the second control point. + * @param {number} y2 - The Y coordinate of the second control point. + * @param {number} x - The ending X coordinate. + * @param {number} y - The ending Y coordinate. + */ +BoundingBox.prototype.addBezier = function(x0, y0, x1, y1, x2, y2, x, y) { + // This code is based on http://nishiohirokazu.blogspot.com/2009/06/how-to-calculate-bezier-curves-bounding.html + // and https://github.com/icons8/svg-path-bounding-box + + var p0 = [x0, y0]; + var p1 = [x1, y1]; + var p2 = [x2, y2]; + var p3 = [x, y]; + + this.addPoint(x0, y0); + this.addPoint(x, y); + + for (var i = 0; i <= 1; i++) { + var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i]; + var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i]; + var c = 3 * p1[i] - 3 * p0[i]; + + if (a === 0) { + if (b === 0) { continue; } + var t = -c / b; + if (0 < t && t < 1) { + if (i === 0) { this.addX(derive(p0[i], p1[i], p2[i], p3[i], t)); } + if (i === 1) { this.addY(derive(p0[i], p1[i], p2[i], p3[i], t)); } + } + continue; + } + + var b2ac = Math.pow(b, 2) - 4 * c * a; + if (b2ac < 0) { continue; } + var t1 = (-b + Math.sqrt(b2ac)) / (2 * a); + if (0 < t1 && t1 < 1) { + if (i === 0) { this.addX(derive(p0[i], p1[i], p2[i], p3[i], t1)); } + if (i === 1) { this.addY(derive(p0[i], p1[i], p2[i], p3[i], t1)); } + } + var t2 = (-b - Math.sqrt(b2ac)) / (2 * a); + if (0 < t2 && t2 < 1) { + if (i === 0) { this.addX(derive(p0[i], p1[i], p2[i], p3[i], t2)); } + if (i === 1) { this.addY(derive(p0[i], p1[i], p2[i], p3[i], t2)); } + } + } +}; + +/** + * Add a quadratic curve to the bounding box. + * This extends the bounding box to include the entire quadratic curve. + * @param {number} x0 - The starting X coordinate. + * @param {number} y0 - The starting Y coordinate. + * @param {number} x1 - The X coordinate of the control point. + * @param {number} y1 - The Y coordinate of the control point. + * @param {number} x - The ending X coordinate. + * @param {number} y - The ending Y coordinate. + */ +BoundingBox.prototype.addQuad = function(x0, y0, x1, y1, x, y) { + var cp1x = x0 + 2 / 3 * (x1 - x0); + var cp1y = y0 + 2 / 3 * (y1 - y0); + var cp2x = cp1x + 1 / 3 * (x - x0); + var cp2y = cp1y + 1 / 3 * (y - y0); + this.addBezier(x0, y0, cp1x, cp1y, cp2x, cp2y, x, y); +}; + +// Geometric objects + +/** + * A bézier path containing a set of path commands similar to a SVG path. + * Paths can be drawn on a context using `draw`. + * @exports opentype.Path + * @class + * @constructor + */ +function Path() { + this.commands = []; + this.fill = 'black'; + this.stroke = null; + this.strokeWidth = 1; +} + +/** + * @param {number} x + * @param {number} y + */ +Path.prototype.moveTo = function(x, y) { + this.commands.push({ + type: 'M', + x: x, + y: y + }); +}; + +/** + * @param {number} x + * @param {number} y + */ +Path.prototype.lineTo = function(x, y) { + this.commands.push({ + type: 'L', + x: x, + y: y + }); +}; + +/** + * Draws cubic curve + * @function + * curveTo + * @memberof opentype.Path.prototype + * @param {number} x1 - x of control 1 + * @param {number} y1 - y of control 1 + * @param {number} x2 - x of control 2 + * @param {number} y2 - y of control 2 + * @param {number} x - x of path point + * @param {number} y - y of path point + */ + +/** + * Draws cubic curve + * @function + * bezierCurveTo + * @memberof opentype.Path.prototype + * @param {number} x1 - x of control 1 + * @param {number} y1 - y of control 1 + * @param {number} x2 - x of control 2 + * @param {number} y2 - y of control 2 + * @param {number} x - x of path point + * @param {number} y - y of path point + * @see curveTo + */ +Path.prototype.curveTo = Path.prototype.bezierCurveTo = function(x1, y1, x2, y2, x, y) { + this.commands.push({ + type: 'C', + x1: x1, + y1: y1, + x2: x2, + y2: y2, + x: x, + y: y + }); +}; + +/** + * Draws quadratic curve + * @function + * quadraticCurveTo + * @memberof opentype.Path.prototype + * @param {number} x1 - x of control + * @param {number} y1 - y of control + * @param {number} x - x of path point + * @param {number} y - y of path point + */ + +/** + * Draws quadratic curve + * @function + * quadTo + * @memberof opentype.Path.prototype + * @param {number} x1 - x of control + * @param {number} y1 - y of control + * @param {number} x - x of path point + * @param {number} y - y of path point + */ +Path.prototype.quadTo = Path.prototype.quadraticCurveTo = function(x1, y1, x, y) { + this.commands.push({ + type: 'Q', + x1: x1, + y1: y1, + x: x, + y: y + }); +}; + +/** + * Closes the path + * @function closePath + * @memberof opentype.Path.prototype + */ + +/** + * Close the path + * @function close + * @memberof opentype.Path.prototype + */ +Path.prototype.close = Path.prototype.closePath = function() { + this.commands.push({ + type: 'Z' + }); +}; + +/** + * Add the given path or list of commands to the commands of this path. + * @param {Array} pathOrCommands - another opentype.Path, an opentype.BoundingBox, or an array of commands. + */ +Path.prototype.extend = function(pathOrCommands) { + if (pathOrCommands.commands) { + pathOrCommands = pathOrCommands.commands; + } else if (pathOrCommands instanceof BoundingBox) { + var box = pathOrCommands; + this.moveTo(box.x1, box.y1); + this.lineTo(box.x2, box.y1); + this.lineTo(box.x2, box.y2); + this.lineTo(box.x1, box.y2); + this.close(); + return; + } + + Array.prototype.push.apply(this.commands, pathOrCommands); +}; + +/** + * Calculate the bounding box of the path. + * @returns {opentype.BoundingBox} + */ +Path.prototype.getBoundingBox = function() { + var box = new BoundingBox(); + + var startX = 0; + var startY = 0; + var prevX = 0; + var prevY = 0; + for (var i = 0; i < this.commands.length; i++) { + var cmd = this.commands[i]; + switch (cmd.type) { + case 'M': + box.addPoint(cmd.x, cmd.y); + startX = prevX = cmd.x; + startY = prevY = cmd.y; + break; + case 'L': + box.addPoint(cmd.x, cmd.y); + prevX = cmd.x; + prevY = cmd.y; + break; + case 'Q': + box.addQuad(prevX, prevY, cmd.x1, cmd.y1, cmd.x, cmd.y); + prevX = cmd.x; + prevY = cmd.y; + break; + case 'C': + box.addBezier(prevX, prevY, cmd.x1, cmd.y1, cmd.x2, cmd.y2, cmd.x, cmd.y); + prevX = cmd.x; + prevY = cmd.y; + break; + case 'Z': + prevX = startX; + prevY = startY; + break; + default: + throw new Error('Unexpected path command ' + cmd.type); + } + } + if (box.isEmpty()) { + box.addPoint(0, 0); + } + return box; +}; + +/** + * Draw the path to a 2D context. + * @param {CanvasRenderingContext2D} ctx - A 2D drawing context. + */ +Path.prototype.draw = function(ctx) { + ctx.beginPath(); + for (var i = 0; i < this.commands.length; i += 1) { + var cmd = this.commands[i]; + if (cmd.type === 'M') { + ctx.moveTo(cmd.x, cmd.y); + } else if (cmd.type === 'L') { + ctx.lineTo(cmd.x, cmd.y); + } else if (cmd.type === 'C') { + ctx.bezierCurveTo(cmd.x1, cmd.y1, cmd.x2, cmd.y2, cmd.x, cmd.y); + } else if (cmd.type === 'Q') { + ctx.quadraticCurveTo(cmd.x1, cmd.y1, cmd.x, cmd.y); + } else if (cmd.type === 'Z') { + ctx.closePath(); + } + } + + if (this.fill) { + ctx.fillStyle = this.fill; + ctx.fill(); + } + + if (this.stroke) { + ctx.strokeStyle = this.stroke; + ctx.lineWidth = this.strokeWidth; + ctx.stroke(); + } +}; + +/** + * Convert the Path to a string of path data instructions + * See http://www.w3.org/TR/SVG/paths.html#PathData + * @param {number} [decimalPlaces=2] - The amount of decimal places for floating-point values + * @return {string} + */ +Path.prototype.toPathData = function(decimalPlaces) { + decimalPlaces = decimalPlaces !== undefined ? decimalPlaces : 2; + + function floatToString(v) { + if (Math.round(v) === v) { + return '' + Math.round(v); + } else { + return v.toFixed(decimalPlaces); + } + } + + function packValues() { + var arguments$1 = arguments; + + var s = ''; + for (var i = 0; i < arguments.length; i += 1) { + var v = arguments$1[i]; + if (v >= 0 && i > 0) { + s += ' '; + } + + s += floatToString(v); + } + + return s; + } + + var d = ''; + for (var i = 0; i < this.commands.length; i += 1) { + var cmd = this.commands[i]; + if (cmd.type === 'M') { + d += 'M' + packValues(cmd.x, cmd.y); + } else if (cmd.type === 'L') { + d += 'L' + packValues(cmd.x, cmd.y); + } else if (cmd.type === 'C') { + d += 'C' + packValues(cmd.x1, cmd.y1, cmd.x2, cmd.y2, cmd.x, cmd.y); + } else if (cmd.type === 'Q') { + d += 'Q' + packValues(cmd.x1, cmd.y1, cmd.x, cmd.y); + } else if (cmd.type === 'Z') { + d += 'Z'; + } + } + + return d; +}; + +/** + * Convert the path to an SVG element, as a string. + * @param {number} [decimalPlaces=2] - The amount of decimal places for floating-point values + * @return {string} + */ +Path.prototype.toSVG = function(decimalPlaces) { + var svg = '= 0 && v <= 255, 'Byte value should be between 0 and 255.'); + return [v]; +}; +/** + * @constant + * @type {number} + */ +sizeOf.BYTE = constant(1); + +/** + * Convert a 8-bit signed integer to a list of 1 byte. + * @param {string} + * @returns {Array} + */ +encode.CHAR = function(v) { + return [v.charCodeAt(0)]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.CHAR = constant(1); + +/** + * Convert an ASCII string to a list of bytes. + * @param {string} + * @returns {Array} + */ +encode.CHARARRAY = function(v) { + if (typeof v === 'undefined') { + v = ''; + console.warn('Undefined CHARARRAY encountered and treated as an empty string. This is probably caused by a missing glyph name.'); + } + var b = []; + for (var i = 0; i < v.length; i += 1) { + b[i] = v.charCodeAt(i); + } + + return b; +}; + +/** + * @param {Array} + * @returns {number} + */ +sizeOf.CHARARRAY = function(v) { + if (typeof v === 'undefined') { + return 0; + } + return v.length; +}; + +/** + * Convert a 16-bit unsigned integer to a list of 2 bytes. + * @param {number} + * @returns {Array} + */ +encode.USHORT = function(v) { + return [(v >> 8) & 0xFF, v & 0xFF]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.USHORT = constant(2); + +/** + * Convert a 16-bit signed integer to a list of 2 bytes. + * @param {number} + * @returns {Array} + */ +encode.SHORT = function(v) { + // Two's complement + if (v >= LIMIT16) { + v = -(2 * LIMIT16 - v); + } + + return [(v >> 8) & 0xFF, v & 0xFF]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.SHORT = constant(2); + +/** + * Convert a 24-bit unsigned integer to a list of 3 bytes. + * @param {number} + * @returns {Array} + */ +encode.UINT24 = function(v) { + return [(v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.UINT24 = constant(3); + +/** + * Convert a 32-bit unsigned integer to a list of 4 bytes. + * @param {number} + * @returns {Array} + */ +encode.ULONG = function(v) { + return [(v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.ULONG = constant(4); + +/** + * Convert a 32-bit unsigned integer to a list of 4 bytes. + * @param {number} + * @returns {Array} + */ +encode.LONG = function(v) { + // Two's complement + if (v >= LIMIT32) { + v = -(2 * LIMIT32 - v); + } + + return [(v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.LONG = constant(4); + +encode.FIXED = encode.ULONG; +sizeOf.FIXED = sizeOf.ULONG; + +encode.FWORD = encode.SHORT; +sizeOf.FWORD = sizeOf.SHORT; + +encode.UFWORD = encode.USHORT; +sizeOf.UFWORD = sizeOf.USHORT; + +/** + * Convert a 32-bit Apple Mac timestamp integer to a list of 8 bytes, 64-bit timestamp. + * @param {number} + * @returns {Array} + */ +encode.LONGDATETIME = function(v) { + return [0, 0, 0, 0, (v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.LONGDATETIME = constant(8); + +/** + * Convert a 4-char tag to a list of 4 bytes. + * @param {string} + * @returns {Array} + */ +encode.TAG = function(v) { + check.argument(v.length === 4, 'Tag should be exactly 4 ASCII characters.'); + return [v.charCodeAt(0), + v.charCodeAt(1), + v.charCodeAt(2), + v.charCodeAt(3)]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.TAG = constant(4); + +// CFF data types /////////////////////////////////////////////////////////// + +encode.Card8 = encode.BYTE; +sizeOf.Card8 = sizeOf.BYTE; + +encode.Card16 = encode.USHORT; +sizeOf.Card16 = sizeOf.USHORT; + +encode.OffSize = encode.BYTE; +sizeOf.OffSize = sizeOf.BYTE; + +encode.SID = encode.USHORT; +sizeOf.SID = sizeOf.USHORT; + +// Convert a numeric operand or charstring number to a variable-size list of bytes. +/** + * Convert a numeric operand or charstring number to a variable-size list of bytes. + * @param {number} + * @returns {Array} + */ +encode.NUMBER = function(v) { + if (v >= -107 && v <= 107) { + return [v + 139]; + } else if (v >= 108 && v <= 1131) { + v = v - 108; + return [(v >> 8) + 247, v & 0xFF]; + } else if (v >= -1131 && v <= -108) { + v = -v - 108; + return [(v >> 8) + 251, v & 0xFF]; + } else if (v >= -32768 && v <= 32767) { + return encode.NUMBER16(v); + } else { + return encode.NUMBER32(v); + } +}; + +/** + * @param {number} + * @returns {number} + */ +sizeOf.NUMBER = function(v) { + return encode.NUMBER(v).length; +}; + +/** + * Convert a signed number between -32768 and +32767 to a three-byte value. + * This ensures we always use three bytes, but is not the most compact format. + * @param {number} + * @returns {Array} + */ +encode.NUMBER16 = function(v) { + return [28, (v >> 8) & 0xFF, v & 0xFF]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.NUMBER16 = constant(3); + +/** + * Convert a signed number between -(2^31) and +(2^31-1) to a five-byte value. + * This is useful if you want to be sure you always use four bytes, + * at the expense of wasting a few bytes for smaller numbers. + * @param {number} + * @returns {Array} + */ +encode.NUMBER32 = function(v) { + return [29, (v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF]; +}; + +/** + * @constant + * @type {number} + */ +sizeOf.NUMBER32 = constant(5); + +/** + * @param {number} + * @returns {Array} + */ +encode.REAL = function(v) { + var value = v.toString(); + + // Some numbers use an epsilon to encode the value. (e.g. JavaScript will store 0.0000001 as 1e-7) + // This code converts it back to a number without the epsilon. + var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value); + if (m) { + var epsilon = parseFloat('1e' + ((m[2] ? +m[2] : 0) + m[1].length)); + value = (Math.round(v * epsilon) / epsilon).toString(); + } + + var nibbles = ''; + for (var i = 0, ii = value.length; i < ii; i += 1) { + var c = value[i]; + if (c === 'e') { + nibbles += value[++i] === '-' ? 'c' : 'b'; + } else if (c === '.') { + nibbles += 'a'; + } else if (c === '-') { + nibbles += 'e'; + } else { + nibbles += c; + } + } + + nibbles += (nibbles.length & 1) ? 'f' : 'ff'; + var out = [30]; + for (var i$1 = 0, ii$1 = nibbles.length; i$1 < ii$1; i$1 += 2) { + out.push(parseInt(nibbles.substr(i$1, 2), 16)); + } + + return out; +}; + +/** + * @param {number} + * @returns {number} + */ +sizeOf.REAL = function(v) { + return encode.REAL(v).length; +}; + +encode.NAME = encode.CHARARRAY; +sizeOf.NAME = sizeOf.CHARARRAY; + +encode.STRING = encode.CHARARRAY; +sizeOf.STRING = sizeOf.CHARARRAY; + +/** + * @param {DataView} data + * @param {number} offset + * @param {number} numBytes + * @returns {string} + */ +decode.UTF8 = function(data, offset, numBytes) { + var codePoints = []; + var numChars = numBytes; + for (var j = 0; j < numChars; j++, offset += 1) { + codePoints[j] = data.getUint8(offset); + } + + return String.fromCharCode.apply(null, codePoints); +}; + +/** + * @param {DataView} data + * @param {number} offset + * @param {number} numBytes + * @returns {string} + */ +decode.UTF16 = function(data, offset, numBytes) { + var codePoints = []; + var numChars = numBytes / 2; + for (var j = 0; j < numChars; j++, offset += 2) { + codePoints[j] = data.getUint16(offset); + } + + return String.fromCharCode.apply(null, codePoints); +}; + +/** + * Convert a JavaScript string to UTF16-BE. + * @param {string} + * @returns {Array} + */ +encode.UTF16 = function(v) { + var b = []; + for (var i = 0; i < v.length; i += 1) { + var codepoint = v.charCodeAt(i); + b[b.length] = (codepoint >> 8) & 0xFF; + b[b.length] = codepoint & 0xFF; + } + + return b; +}; + +/** + * @param {string} + * @returns {number} + */ +sizeOf.UTF16 = function(v) { + return v.length * 2; +}; + +// Data for converting old eight-bit Macintosh encodings to Unicode. +// This representation is optimized for decoding; encoding is slower +// and needs more memory. The assumption is that all opentype.js users +// want to open fonts, but saving a font will be comparatively rare +// so it can be more expensive. Keyed by IANA character set name. +// +// Python script for generating these strings: +// +// s = u''.join([chr(c).decode('mac_greek') for c in range(128, 256)]) +// print(s.encode('utf-8')) +/** + * @private + */ +var eightBitMacEncodings = { + 'x-mac-croatian': // Python: 'mac_croatian' + 'ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®Š™´¨≠ŽØ∞±≤≥∆µ∂∑∏š∫ªºΩžø' + + '¿¡¬√ƒ≈Ć«Č… ÀÃÕŒœĐ—“”‘’÷◊©⁄€‹›Æ»–·‚„‰ÂćÁčÈÍÎÏÌÓÔđÒÚÛÙıˆ˜¯πË˚¸Êæˇ', + 'x-mac-cyrillic': // Python: 'mac_cyrillic' + 'АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ†°Ґ£§•¶І®©™Ђђ≠Ѓѓ∞±≤≥іµґЈЄєЇїЉљЊњ' + + 'јЅ¬√ƒ≈∆«»… ЋћЌќѕ–—“”‘’÷„ЎўЏџ№Ёёяабвгдежзийклмнопрстуфхцчшщъыьэю', + 'x-mac-gaelic': // http://unicode.org/Public/MAPPINGS/VENDORS/APPLE/GAELIC.TXT + 'ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØḂ±≤≥ḃĊċḊḋḞḟĠġṀæø' + + 'ṁṖṗɼƒſṠ«»… ÀÃÕŒœ–—“”‘’ṡẛÿŸṪ€‹›Ŷŷṫ·Ỳỳ⁊ÂÊÁËÈÍÎÏÌÓÔ♣ÒÚÛÙıÝýŴŵẄẅẀẁẂẃ', + 'x-mac-greek': // Python: 'mac_greek' + 'Ĺ²É³ÖÜ΅àâä΄¨çéèê룙î‰ôö¦€ùûü†ΓΔΘΛΞΠß®©ΣΪ§≠°·Α±≤≥¥ΒΕΖΗΙΚΜΦΫΨΩ' + + 'άΝ¬ΟΡ≈Τ«»… ΥΧΆΈœ–―“”‘’÷ΉΊΌΎέήίόΏύαβψδεφγηιξκλμνοπώρστθωςχυζϊϋΐΰ\u00AD', + 'x-mac-icelandic': // Python: 'mac_iceland' + 'ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûüÝ°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø' + + '¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄€ÐðÞþý·‚„‰ÂÊÁËÈÍÎÏÌÓÔÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ', + 'x-mac-inuit': // http://unicode.org/Public/MAPPINGS/VENDORS/APPLE/INUIT.TXT + 'ᐃᐄᐅᐆᐊᐋᐱᐲᐳᐴᐸᐹᑉᑎᑏᑐᑑᑕᑖᑦᑭᑮᑯᑰᑲᑳᒃᒋᒌᒍᒎᒐᒑ°ᒡᒥᒦ•¶ᒧ®©™ᒨᒪᒫᒻᓂᓃᓄᓅᓇᓈᓐᓯᓰᓱᓲᓴᓵᔅᓕᓖᓗ' + + 'ᓘᓚᓛᓪᔨᔩᔪᔫᔭ… ᔮᔾᕕᕖᕗ–—“”‘’ᕘᕙᕚᕝᕆᕇᕈᕉᕋᕌᕐᕿᖀᖁᖂᖃᖄᖅᖏᖐᖑᖒᖓᖔᖕᙱᙲᙳᙴᙵᙶᖖᖠᖡᖢᖣᖤᖥᖦᕼŁł', + 'x-mac-ce': // Python: 'mac_latin2' + 'ÄĀāÉĄÖÜáąČäčĆć鏟ĎíďĒēĖóėôöõúĚěü†°Ę£§•¶ß®©™ę¨≠ģĮįĪ≤≥īĶ∂∑łĻļĽľĹĺŅ' + + 'ņѬ√ńŇ∆«»… ňŐÕőŌ–—“”‘’÷◊ōŔŕŘ‹›řŖŗŠ‚„šŚśÁŤťÍŽžŪÓÔūŮÚůŰűŲųÝýķŻŁżĢˇ', + macintosh: // Python: 'mac_roman' + 'ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø' + + '¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄€‹›fifl‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ', + 'x-mac-romanian': // Python: 'mac_romanian' + 'ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ĂȘ∞±≤≥¥µ∂∑∏π∫ªºΩăș' + + '¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄€‹›Țț‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ', + 'x-mac-turkish': // Python: 'mac_turkish' + 'ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø' + + '¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸĞğİıŞş‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔÒÚÛÙˆ˜¯˘˙˚¸˝˛ˇ' +}; + +/** + * Decodes an old-style Macintosh string. Returns either a Unicode JavaScript + * string, or 'undefined' if the encoding is unsupported. For example, we do + * not support Chinese, Japanese or Korean because these would need large + * mapping tables. + * @param {DataView} dataView + * @param {number} offset + * @param {number} dataLength + * @param {string} encoding + * @returns {string} + */ +decode.MACSTRING = function(dataView, offset, dataLength, encoding) { + var table = eightBitMacEncodings[encoding]; + if (table === undefined) { + return undefined; + } + + var result = ''; + for (var i = 0; i < dataLength; i++) { + var c = dataView.getUint8(offset + i); + // In all eight-bit Mac encodings, the characters 0x00..0x7F are + // mapped to U+0000..U+007F; we only need to look up the others. + if (c <= 0x7F) { + result += String.fromCharCode(c); + } else { + result += table[c & 0x7F]; + } + } + + return result; +}; + +// Helper function for encode.MACSTRING. Returns a dictionary for mapping +// Unicode character codes to their 8-bit MacOS equivalent. This table +// is not exactly a super cheap data structure, but we do not care because +// encoding Macintosh strings is only rarely needed in typical applications. +var macEncodingTableCache = typeof WeakMap === 'function' && new WeakMap(); +var macEncodingCacheKeys; +var getMacEncodingTable = function (encoding) { + // Since we use encoding as a cache key for WeakMap, it has to be + // a String object and not a literal. And at least on NodeJS 2.10.1, + // WeakMap requires that the same String instance is passed for cache hits. + if (!macEncodingCacheKeys) { + macEncodingCacheKeys = {}; + for (var e in eightBitMacEncodings) { + /*jshint -W053 */ // Suppress "Do not use String as a constructor." + macEncodingCacheKeys[e] = new String(e); + } + } + + var cacheKey = macEncodingCacheKeys[encoding]; + if (cacheKey === undefined) { + return undefined; + } + + // We can't do "if (cache.has(key)) {return cache.get(key)}" here: + // since garbage collection may run at any time, it could also kick in + // between the calls to cache.has() and cache.get(). In that case, + // we would return 'undefined' even though we do support the encoding. + if (macEncodingTableCache) { + var cachedTable = macEncodingTableCache.get(cacheKey); + if (cachedTable !== undefined) { + return cachedTable; + } + } + + var decodingTable = eightBitMacEncodings[encoding]; + if (decodingTable === undefined) { + return undefined; + } + + var encodingTable = {}; + for (var i = 0; i < decodingTable.length; i++) { + encodingTable[decodingTable.charCodeAt(i)] = i + 0x80; + } + + if (macEncodingTableCache) { + macEncodingTableCache.set(cacheKey, encodingTable); + } + + return encodingTable; +}; + +/** + * Encodes an old-style Macintosh string. Returns a byte array upon success. + * If the requested encoding is unsupported, or if the input string contains + * a character that cannot be expressed in the encoding, the function returns + * 'undefined'. + * @param {string} str + * @param {string} encoding + * @returns {Array} + */ +encode.MACSTRING = function(str, encoding) { + var table = getMacEncodingTable(encoding); + if (table === undefined) { + return undefined; + } + + var result = []; + for (var i = 0; i < str.length; i++) { + var c = str.charCodeAt(i); + + // In all eight-bit Mac encodings, the characters 0x00..0x7F are + // mapped to U+0000..U+007F; we only need to look up the others. + if (c >= 0x80) { + c = table[c]; + if (c === undefined) { + // str contains a Unicode character that cannot be encoded + // in the requested encoding. + return undefined; + } + } + result[i] = c; + // result.push(c); + } + + return result; +}; + +/** + * @param {string} str + * @param {string} encoding + * @returns {number} + */ +sizeOf.MACSTRING = function(str, encoding) { + var b = encode.MACSTRING(str, encoding); + if (b !== undefined) { + return b.length; + } else { + return 0; + } +}; + +// Helper for encode.VARDELTAS +function isByteEncodable(value) { + return value >= -128 && value <= 127; +} + +// Helper for encode.VARDELTAS +function encodeVarDeltaRunAsZeroes(deltas, pos, result) { + var runLength = 0; + var numDeltas = deltas.length; + while (pos < numDeltas && runLength < 64 && deltas[pos] === 0) { + ++pos; + ++runLength; + } + result.push(0x80 | (runLength - 1)); + return pos; +} + +// Helper for encode.VARDELTAS +function encodeVarDeltaRunAsBytes(deltas, offset, result) { + var runLength = 0; + var numDeltas = deltas.length; + var pos = offset; + while (pos < numDeltas && runLength < 64) { + var value = deltas[pos]; + if (!isByteEncodable(value)) { + break; + } + + // Within a byte-encoded run of deltas, a single zero is best + // stored literally as 0x00 value. However, if we have two or + // more zeroes in a sequence, it is better to start a new run. + // Fore example, the sequence of deltas [15, 15, 0, 15, 15] + // becomes 6 bytes (04 0F 0F 00 0F 0F) when storing the zero + // within the current run, but 7 bytes (01 0F 0F 80 01 0F 0F) + // when starting a new run. + if (value === 0 && pos + 1 < numDeltas && deltas[pos + 1] === 0) { + break; + } + + ++pos; + ++runLength; + } + result.push(runLength - 1); + for (var i = offset; i < pos; ++i) { + result.push((deltas[i] + 256) & 0xff); + } + return pos; +} + +// Helper for encode.VARDELTAS +function encodeVarDeltaRunAsWords(deltas, offset, result) { + var runLength = 0; + var numDeltas = deltas.length; + var pos = offset; + while (pos < numDeltas && runLength < 64) { + var value = deltas[pos]; + + // Within a word-encoded run of deltas, it is easiest to start + // a new run (with a different encoding) whenever we encounter + // a zero value. For example, the sequence [0x6666, 0, 0x7777] + // needs 7 bytes when storing the zero inside the current run + // (42 66 66 00 00 77 77), and equally 7 bytes when starting a + // new run (40 66 66 80 40 77 77). + if (value === 0) { + break; + } + + // Within a word-encoded run of deltas, a single value in the + // range (-128..127) should be encoded within the current run + // because it is more compact. For example, the sequence + // [0x6666, 2, 0x7777] becomes 7 bytes when storing the value + // literally (42 66 66 00 02 77 77), but 8 bytes when starting + // a new run (40 66 66 00 02 40 77 77). + if (isByteEncodable(value) && pos + 1 < numDeltas && isByteEncodable(deltas[pos + 1])) { + break; + } + + ++pos; + ++runLength; + } + result.push(0x40 | (runLength - 1)); + for (var i = offset; i < pos; ++i) { + var val = deltas[i]; + result.push(((val + 0x10000) >> 8) & 0xff, (val + 0x100) & 0xff); + } + return pos; +} + +/** + * Encode a list of variation adjustment deltas. + * + * Variation adjustment deltas are used in ‘gvar’ and ‘cvar’ tables. + * They indicate how points (in ‘gvar’) or values (in ‘cvar’) get adjusted + * when generating instances of variation fonts. + * + * @see https://www.microsoft.com/typography/otspec/gvar.htm + * @see https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6gvar.html + * @param {Array} + * @return {Array} + */ +encode.VARDELTAS = function(deltas) { + var pos = 0; + var result = []; + while (pos < deltas.length) { + var value = deltas[pos]; + if (value === 0) { + pos = encodeVarDeltaRunAsZeroes(deltas, pos, result); + } else if (value >= -128 && value <= 127) { + pos = encodeVarDeltaRunAsBytes(deltas, pos, result); + } else { + pos = encodeVarDeltaRunAsWords(deltas, pos, result); + } + } + return result; +}; + +// Convert a list of values to a CFF INDEX structure. +// The values should be objects containing name / type / value. +/** + * @param {Array} l + * @returns {Array} + */ +encode.INDEX = function(l) { + //var offset, offsets, offsetEncoder, encodedOffsets, encodedOffset, data, + // i, v; + // Because we have to know which data type to use to encode the offsets, + // we have to go through the values twice: once to encode the data and + // calculate the offsets, then again to encode the offsets using the fitting data type. + var offset = 1; // First offset is always 1. + var offsets = [offset]; + var data = []; + for (var i = 0; i < l.length; i += 1) { + var v = encode.OBJECT(l[i]); + Array.prototype.push.apply(data, v); + offset += v.length; + offsets.push(offset); + } + + if (data.length === 0) { + return [0, 0]; + } + + var encodedOffsets = []; + var offSize = (1 + Math.floor(Math.log(offset) / Math.log(2)) / 8) | 0; + var offsetEncoder = [undefined, encode.BYTE, encode.USHORT, encode.UINT24, encode.ULONG][offSize]; + for (var i$1 = 0; i$1 < offsets.length; i$1 += 1) { + var encodedOffset = offsetEncoder(offsets[i$1]); + Array.prototype.push.apply(encodedOffsets, encodedOffset); + } + + return Array.prototype.concat(encode.Card16(l.length), + encode.OffSize(offSize), + encodedOffsets, + data); +}; + +/** + * @param {Array} + * @returns {number} + */ +sizeOf.INDEX = function(v) { + return encode.INDEX(v).length; +}; + +/** + * Convert an object to a CFF DICT structure. + * The keys should be numeric. + * The values should be objects containing name / type / value. + * @param {Object} m + * @returns {Array} + */ +encode.DICT = function(m) { + var d = []; + var keys = Object.keys(m); + var length = keys.length; + + for (var i = 0; i < length; i += 1) { + // Object.keys() return string keys, but our keys are always numeric. + var k = parseInt(keys[i], 0); + var v = m[k]; + // Value comes before the key. + d = d.concat(encode.OPERAND(v.value, v.type)); + d = d.concat(encode.OPERATOR(k)); + } + + return d; +}; + +/** + * @param {Object} + * @returns {number} + */ +sizeOf.DICT = function(m) { + return encode.DICT(m).length; +}; + +/** + * @param {number} + * @returns {Array} + */ +encode.OPERATOR = function(v) { + if (v < 1200) { + return [v]; + } else { + return [12, v - 1200]; + } +}; + +/** + * @param {Array} v + * @param {string} + * @returns {Array} + */ +encode.OPERAND = function(v, type) { + var d = []; + if (Array.isArray(type)) { + for (var i = 0; i < type.length; i += 1) { + check.argument(v.length === type.length, 'Not enough arguments given for type' + type); + d = d.concat(encode.OPERAND(v[i], type[i])); + } + } else { + if (type === 'SID') { + d = d.concat(encode.NUMBER(v)); + } else if (type === 'offset') { + // We make it easy for ourselves and always encode offsets as + // 4 bytes. This makes offset calculation for the top dict easier. + d = d.concat(encode.NUMBER32(v)); + } else if (type === 'number') { + d = d.concat(encode.NUMBER(v)); + } else if (type === 'real') { + d = d.concat(encode.REAL(v)); + } else { + throw new Error('Unknown operand type ' + type); + // FIXME Add support for booleans + } + } + + return d; +}; + +encode.OP = encode.BYTE; +sizeOf.OP = sizeOf.BYTE; + +// memoize charstring encoding using WeakMap if available +var wmm = typeof WeakMap === 'function' && new WeakMap(); + +/** + * Convert a list of CharString operations to bytes. + * @param {Array} + * @returns {Array} + */ +encode.CHARSTRING = function(ops) { + // See encode.MACSTRING for why we don't do "if (wmm && wmm.has(ops))". + if (wmm) { + var cachedValue = wmm.get(ops); + if (cachedValue !== undefined) { + return cachedValue; + } + } + + var d = []; + var length = ops.length; + + for (var i = 0; i < length; i += 1) { + var op = ops[i]; + d = d.concat(encode[op.type](op.value)); + } + + if (wmm) { + wmm.set(ops, d); + } + + return d; +}; + +/** + * @param {Array} + * @returns {number} + */ +sizeOf.CHARSTRING = function(ops) { + return encode.CHARSTRING(ops).length; +}; + +// Utility functions //////////////////////////////////////////////////////// + +/** + * Convert an object containing name / type / value to bytes. + * @param {Object} + * @returns {Array} + */ +encode.OBJECT = function(v) { + var encodingFunction = encode[v.type]; + check.argument(encodingFunction !== undefined, 'No encoding function for type ' + v.type); + return encodingFunction(v.value); +}; + +/** + * @param {Object} + * @returns {number} + */ +sizeOf.OBJECT = function(v) { + var sizeOfFunction = sizeOf[v.type]; + check.argument(sizeOfFunction !== undefined, 'No sizeOf function for type ' + v.type); + return sizeOfFunction(v.value); +}; + +/** + * Convert a table object to bytes. + * A table contains a list of fields containing the metadata (name, type and default value). + * The table itself has the field values set as attributes. + * @param {opentype.Table} + * @returns {Array} + */ +encode.TABLE = function(table) { + var d = []; + var length = table.fields.length; + var subtables = []; + var subtableOffsets = []; + + for (var i = 0; i < length; i += 1) { + var field = table.fields[i]; + var encodingFunction = encode[field.type]; + check.argument(encodingFunction !== undefined, 'No encoding function for field type ' + field.type + ' (' + field.name + ')'); + var value = table[field.name]; + if (value === undefined) { + value = field.value; + } + + var bytes = encodingFunction(value); + + if (field.type === 'TABLE') { + subtableOffsets.push(d.length); + d = d.concat([0, 0]); + subtables.push(bytes); + } else { + d = d.concat(bytes); + } + } + + for (var i$1 = 0; i$1 < subtables.length; i$1 += 1) { + var o = subtableOffsets[i$1]; + var offset = d.length; + check.argument(offset < 65536, 'Table ' + table.tableName + ' too big.'); + d[o] = offset >> 8; + d[o + 1] = offset & 0xff; + d = d.concat(subtables[i$1]); + } + + return d; +}; + +/** + * @param {opentype.Table} + * @returns {number} + */ +sizeOf.TABLE = function(table) { + var numBytes = 0; + var length = table.fields.length; + + for (var i = 0; i < length; i += 1) { + var field = table.fields[i]; + var sizeOfFunction = sizeOf[field.type]; + check.argument(sizeOfFunction !== undefined, 'No sizeOf function for field type ' + field.type + ' (' + field.name + ')'); + var value = table[field.name]; + if (value === undefined) { + value = field.value; + } + + numBytes += sizeOfFunction(value); + + // Subtables take 2 more bytes for offsets. + if (field.type === 'TABLE') { + numBytes += 2; + } + } + + return numBytes; +}; + +encode.RECORD = encode.TABLE; +sizeOf.RECORD = sizeOf.TABLE; + +// Merge in a list of bytes. +encode.LITERAL = function(v) { + return v; +}; + +sizeOf.LITERAL = function(v) { + return v.length; +}; + +// Table metadata + +/** + * @exports opentype.Table + * @class + * @param {string} tableName + * @param {Array} fields + * @param {Object} options + * @constructor + */ +function Table(tableName, fields, options) { + // For coverage tables with coverage format 2, we do not want to add the coverage data directly to the table object, + // as this will result in wrong encoding order of the coverage data on serialization to bytes. + // The fallback of using the field values directly when not present on the table is handled in types.encode.TABLE() already. + if (fields.length && (fields[0].name !== 'coverageFormat' || fields[0].value === 1)) { + for (var i = 0; i < fields.length; i += 1) { + var field = fields[i]; + this[field.name] = field.value; + } + } + + this.tableName = tableName; + this.fields = fields; + if (options) { + var optionKeys = Object.keys(options); + for (var i$1 = 0; i$1 < optionKeys.length; i$1 += 1) { + var k = optionKeys[i$1]; + var v = options[k]; + if (this[k] !== undefined) { + this[k] = v; + } + } + } +} + +/** + * Encodes the table and returns an array of bytes + * @return {Array} + */ +Table.prototype.encode = function() { + return encode.TABLE(this); +}; + +/** + * Get the size of the table. + * @return {number} + */ +Table.prototype.sizeOf = function() { + return sizeOf.TABLE(this); +}; + +/** + * @private + */ +function ushortList(itemName, list, count) { + if (count === undefined) { + count = list.length; + } + var fields = new Array(list.length + 1); + fields[0] = {name: itemName + 'Count', type: 'USHORT', value: count}; + for (var i = 0; i < list.length; i++) { + fields[i + 1] = {name: itemName + i, type: 'USHORT', value: list[i]}; + } + return fields; +} + +/** + * @private + */ +function tableList(itemName, records, itemCallback) { + var count = records.length; + var fields = new Array(count + 1); + fields[0] = {name: itemName + 'Count', type: 'USHORT', value: count}; + for (var i = 0; i < count; i++) { + fields[i + 1] = {name: itemName + i, type: 'TABLE', value: itemCallback(records[i], i)}; + } + return fields; +} + +/** + * @private + */ +function recordList(itemName, records, itemCallback) { + var count = records.length; + var fields = []; + fields[0] = {name: itemName + 'Count', type: 'USHORT', value: count}; + for (var i = 0; i < count; i++) { + fields = fields.concat(itemCallback(records[i], i)); + } + return fields; +} + +// Common Layout Tables + +/** + * @exports opentype.Coverage + * @class + * @param {opentype.Table} + * @constructor + * @extends opentype.Table + */ +function Coverage(coverageTable) { + if (coverageTable.format === 1) { + Table.call(this, 'coverageTable', + [{name: 'coverageFormat', type: 'USHORT', value: 1}] + .concat(ushortList('glyph', coverageTable.glyphs)) + ); + } else if (coverageTable.format === 2) { + Table.call(this, 'coverageTable', + [{name: 'coverageFormat', type: 'USHORT', value: 2}] + .concat(recordList('rangeRecord', coverageTable.ranges, function(RangeRecord) { + return [ + {name: 'startGlyphID', type: 'USHORT', value: RangeRecord.start}, + {name: 'endGlyphID', type: 'USHORT', value: RangeRecord.end}, + {name: 'startCoverageIndex', type: 'USHORT', value: RangeRecord.index} ]; + })) + ); + } else { + check.assert(false, 'Coverage format must be 1 or 2.'); + } +} +Coverage.prototype = Object.create(Table.prototype); +Coverage.prototype.constructor = Coverage; + +function ScriptList(scriptListTable) { + Table.call(this, 'scriptListTable', + recordList('scriptRecord', scriptListTable, function(scriptRecord, i) { + var script = scriptRecord.script; + var defaultLangSys = script.defaultLangSys; + check.assert(!!defaultLangSys, 'Unable to write GSUB: script ' + scriptRecord.tag + ' has no default language system.'); + return [ + {name: 'scriptTag' + i, type: 'TAG', value: scriptRecord.tag}, + {name: 'script' + i, type: 'TABLE', value: new Table('scriptTable', [ + {name: 'defaultLangSys', type: 'TABLE', value: new Table('defaultLangSys', [ + {name: 'lookupOrder', type: 'USHORT', value: 0}, + {name: 'reqFeatureIndex', type: 'USHORT', value: defaultLangSys.reqFeatureIndex}] + .concat(ushortList('featureIndex', defaultLangSys.featureIndexes)))} + ].concat(recordList('langSys', script.langSysRecords, function(langSysRecord, i) { + var langSys = langSysRecord.langSys; + return [ + {name: 'langSysTag' + i, type: 'TAG', value: langSysRecord.tag}, + {name: 'langSys' + i, type: 'TABLE', value: new Table('langSys', [ + {name: 'lookupOrder', type: 'USHORT', value: 0}, + {name: 'reqFeatureIndex', type: 'USHORT', value: langSys.reqFeatureIndex} + ].concat(ushortList('featureIndex', langSys.featureIndexes)))} + ]; + })))} + ]; + }) + ); +} +ScriptList.prototype = Object.create(Table.prototype); +ScriptList.prototype.constructor = ScriptList; + +/** + * @exports opentype.FeatureList + * @class + * @param {opentype.Table} + * @constructor + * @extends opentype.Table + */ +function FeatureList(featureListTable) { + Table.call(this, 'featureListTable', + recordList('featureRecord', featureListTable, function(featureRecord, i) { + var feature = featureRecord.feature; + return [ + {name: 'featureTag' + i, type: 'TAG', value: featureRecord.tag}, + {name: 'feature' + i, type: 'TABLE', value: new Table('featureTable', [ + {name: 'featureParams', type: 'USHORT', value: feature.featureParams} ].concat(ushortList('lookupListIndex', feature.lookupListIndexes)))} + ]; + }) + ); +} +FeatureList.prototype = Object.create(Table.prototype); +FeatureList.prototype.constructor = FeatureList; + +/** + * @exports opentype.LookupList + * @class + * @param {opentype.Table} + * @param {Object} + * @constructor + * @extends opentype.Table + */ +function LookupList(lookupListTable, subtableMakers) { + Table.call(this, 'lookupListTable', tableList('lookup', lookupListTable, function(lookupTable) { + var subtableCallback = subtableMakers[lookupTable.lookupType]; + check.assert(!!subtableCallback, 'Unable to write GSUB lookup type ' + lookupTable.lookupType + ' tables.'); + return new Table('lookupTable', [ + {name: 'lookupType', type: 'USHORT', value: lookupTable.lookupType}, + {name: 'lookupFlag', type: 'USHORT', value: lookupTable.lookupFlag} + ].concat(tableList('subtable', lookupTable.subtables, subtableCallback))); + })); +} +LookupList.prototype = Object.create(Table.prototype); +LookupList.prototype.constructor = LookupList; + +// Record = same as Table, but inlined (a Table has an offset and its data is further in the stream) +// Don't use offsets inside Records (probable bug), only in Tables. +var table = { + Table: Table, + Record: Table, + Coverage: Coverage, + ScriptList: ScriptList, + FeatureList: FeatureList, + LookupList: LookupList, + ushortList: ushortList, + tableList: tableList, + recordList: recordList, +}; + +// Parsing utility functions + +// Retrieve an unsigned byte from the DataView. +function getByte(dataView, offset) { + return dataView.getUint8(offset); +} + +// Retrieve an unsigned 16-bit short from the DataView. +// The value is stored in big endian. +function getUShort(dataView, offset) { + return dataView.getUint16(offset, false); +} + +// Retrieve a signed 16-bit short from the DataView. +// The value is stored in big endian. +function getShort(dataView, offset) { + return dataView.getInt16(offset, false); +} + +// Retrieve an unsigned 32-bit long from the DataView. +// The value is stored in big endian. +function getULong(dataView, offset) { + return dataView.getUint32(offset, false); +} + +// Retrieve a 32-bit signed fixed-point number (16.16) from the DataView. +// The value is stored in big endian. +function getFixed(dataView, offset) { + var decimal = dataView.getInt16(offset, false); + var fraction = dataView.getUint16(offset + 2, false); + return decimal + fraction / 65535; +} + +// Retrieve a 4-character tag from the DataView. +// Tags are used to identify tables. +function getTag(dataView, offset) { + var tag = ''; + for (var i = offset; i < offset + 4; i += 1) { + tag += String.fromCharCode(dataView.getInt8(i)); + } + + return tag; +} + +// Retrieve an offset from the DataView. +// Offsets are 1 to 4 bytes in length, depending on the offSize argument. +function getOffset(dataView, offset, offSize) { + var v = 0; + for (var i = 0; i < offSize; i += 1) { + v <<= 8; + v += dataView.getUint8(offset + i); + } + + return v; +} + +// Retrieve a number of bytes from start offset to the end offset from the DataView. +function getBytes(dataView, startOffset, endOffset) { + var bytes = []; + for (var i = startOffset; i < endOffset; i += 1) { + bytes.push(dataView.getUint8(i)); + } + + return bytes; +} + +// Convert the list of bytes to a string. +function bytesToString(bytes) { + var s = ''; + for (var i = 0; i < bytes.length; i += 1) { + s += String.fromCharCode(bytes[i]); + } + + return s; +} + +var typeOffsets = { + byte: 1, + uShort: 2, + short: 2, + uLong: 4, + fixed: 4, + longDateTime: 8, + tag: 4 +}; + +// A stateful parser that changes the offset whenever a value is retrieved. +// The data is a DataView. +function Parser(data, offset) { + this.data = data; + this.offset = offset; + this.relativeOffset = 0; +} + +Parser.prototype.parseByte = function() { + var v = this.data.getUint8(this.offset + this.relativeOffset); + this.relativeOffset += 1; + return v; +}; + +Parser.prototype.parseChar = function() { + var v = this.data.getInt8(this.offset + this.relativeOffset); + this.relativeOffset += 1; + return v; +}; + +Parser.prototype.parseCard8 = Parser.prototype.parseByte; + +Parser.prototype.parseUShort = function() { + var v = this.data.getUint16(this.offset + this.relativeOffset); + this.relativeOffset += 2; + return v; +}; + +Parser.prototype.parseCard16 = Parser.prototype.parseUShort; +Parser.prototype.parseSID = Parser.prototype.parseUShort; +Parser.prototype.parseOffset16 = Parser.prototype.parseUShort; + +Parser.prototype.parseShort = function() { + var v = this.data.getInt16(this.offset + this.relativeOffset); + this.relativeOffset += 2; + return v; +}; + +Parser.prototype.parseF2Dot14 = function() { + var v = this.data.getInt16(this.offset + this.relativeOffset) / 16384; + this.relativeOffset += 2; + return v; +}; + +Parser.prototype.parseULong = function() { + var v = getULong(this.data, this.offset + this.relativeOffset); + this.relativeOffset += 4; + return v; +}; + +Parser.prototype.parseOffset32 = Parser.prototype.parseULong; + +Parser.prototype.parseFixed = function() { + var v = getFixed(this.data, this.offset + this.relativeOffset); + this.relativeOffset += 4; + return v; +}; + +Parser.prototype.parseString = function(length) { + var dataView = this.data; + var offset = this.offset + this.relativeOffset; + var string = ''; + this.relativeOffset += length; + for (var i = 0; i < length; i++) { + string += String.fromCharCode(dataView.getUint8(offset + i)); + } + + return string; +}; + +Parser.prototype.parseTag = function() { + return this.parseString(4); +}; + +// LONGDATETIME is a 64-bit integer. +// JavaScript and unix timestamps traditionally use 32 bits, so we +// only take the last 32 bits. +// + Since until 2038 those bits will be filled by zeros we can ignore them. +Parser.prototype.parseLongDateTime = function() { + var v = getULong(this.data, this.offset + this.relativeOffset + 4); + // Subtract seconds between 01/01/1904 and 01/01/1970 + // to convert Apple Mac timestamp to Standard Unix timestamp + v -= 2082844800; + this.relativeOffset += 8; + return v; +}; + +Parser.prototype.parseVersion = function(minorBase) { + var major = getUShort(this.data, this.offset + this.relativeOffset); + + // How to interpret the minor version is very vague in the spec. 0x5000 is 5, 0x1000 is 1 + // Default returns the correct number if minor = 0xN000 where N is 0-9 + // Set minorBase to 1 for tables that use minor = N where N is 0-9 + var minor = getUShort(this.data, this.offset + this.relativeOffset + 2); + this.relativeOffset += 4; + if (minorBase === undefined) { minorBase = 0x1000; } + return major + minor / minorBase / 10; +}; + +Parser.prototype.skip = function(type, amount) { + if (amount === undefined) { + amount = 1; + } + + this.relativeOffset += typeOffsets[type] * amount; +}; + +///// Parsing lists and records /////////////////////////////// + +// Parse a list of 32 bit unsigned integers. +Parser.prototype.parseULongList = function(count) { + if (count === undefined) { count = this.parseULong(); } + var offsets = new Array(count); + var dataView = this.data; + var offset = this.offset + this.relativeOffset; + for (var i = 0; i < count; i++) { + offsets[i] = dataView.getUint32(offset); + offset += 4; + } + + this.relativeOffset += count * 4; + return offsets; +}; + +// Parse a list of 16 bit unsigned integers. The length of the list can be read on the stream +// or provided as an argument. +Parser.prototype.parseOffset16List = +Parser.prototype.parseUShortList = function(count) { + if (count === undefined) { count = this.parseUShort(); } + var offsets = new Array(count); + var dataView = this.data; + var offset = this.offset + this.relativeOffset; + for (var i = 0; i < count; i++) { + offsets[i] = dataView.getUint16(offset); + offset += 2; + } + + this.relativeOffset += count * 2; + return offsets; +}; + +// Parses a list of 16 bit signed integers. +Parser.prototype.parseShortList = function(count) { + var list = new Array(count); + var dataView = this.data; + var offset = this.offset + this.relativeOffset; + for (var i = 0; i < count; i++) { + list[i] = dataView.getInt16(offset); + offset += 2; + } + + this.relativeOffset += count * 2; + return list; +}; + +// Parses a list of bytes. +Parser.prototype.parseByteList = function(count) { + var list = new Array(count); + var dataView = this.data; + var offset = this.offset + this.relativeOffset; + for (var i = 0; i < count; i++) { + list[i] = dataView.getUint8(offset++); + } + + this.relativeOffset += count; + return list; +}; + +/** + * Parse a list of items. + * Record count is optional, if omitted it is read from the stream. + * itemCallback is one of the Parser methods. + */ +Parser.prototype.parseList = function(count, itemCallback) { + if (!itemCallback) { + itemCallback = count; + count = this.parseUShort(); + } + var list = new Array(count); + for (var i = 0; i < count; i++) { + list[i] = itemCallback.call(this); + } + return list; +}; + +Parser.prototype.parseList32 = function(count, itemCallback) { + if (!itemCallback) { + itemCallback = count; + count = this.parseULong(); + } + var list = new Array(count); + for (var i = 0; i < count; i++) { + list[i] = itemCallback.call(this); + } + return list; +}; + +/** + * Parse a list of records. + * Record count is optional, if omitted it is read from the stream. + * Example of recordDescription: { sequenceIndex: Parser.uShort, lookupListIndex: Parser.uShort } + */ +Parser.prototype.parseRecordList = function(count, recordDescription) { + // If the count argument is absent, read it in the stream. + if (!recordDescription) { + recordDescription = count; + count = this.parseUShort(); + } + var records = new Array(count); + var fields = Object.keys(recordDescription); + for (var i = 0; i < count; i++) { + var rec = {}; + for (var j = 0; j < fields.length; j++) { + var fieldName = fields[j]; + var fieldType = recordDescription[fieldName]; + rec[fieldName] = fieldType.call(this); + } + records[i] = rec; + } + return records; +}; + +Parser.prototype.parseRecordList32 = function(count, recordDescription) { + // If the count argument is absent, read it in the stream. + if (!recordDescription) { + recordDescription = count; + count = this.parseULong(); + } + var records = new Array(count); + var fields = Object.keys(recordDescription); + for (var i = 0; i < count; i++) { + var rec = {}; + for (var j = 0; j < fields.length; j++) { + var fieldName = fields[j]; + var fieldType = recordDescription[fieldName]; + rec[fieldName] = fieldType.call(this); + } + records[i] = rec; + } + return records; +}; + +// Parse a data structure into an object +// Example of description: { sequenceIndex: Parser.uShort, lookupListIndex: Parser.uShort } +Parser.prototype.parseStruct = function(description) { + if (typeof description === 'function') { + return description.call(this); + } else { + var fields = Object.keys(description); + var struct = {}; + for (var j = 0; j < fields.length; j++) { + var fieldName = fields[j]; + var fieldType = description[fieldName]; + struct[fieldName] = fieldType.call(this); + } + return struct; + } +}; + +/** + * Parse a GPOS valueRecord + * https://docs.microsoft.com/en-us/typography/opentype/spec/gpos#value-record + * valueFormat is optional, if omitted it is read from the stream. + */ +Parser.prototype.parseValueRecord = function(valueFormat) { + if (valueFormat === undefined) { + valueFormat = this.parseUShort(); + } + if (valueFormat === 0) { + // valueFormat2 in kerning pairs is most often 0 + // in this case return undefined instead of an empty object, to save space + return; + } + var valueRecord = {}; + + if (valueFormat & 0x0001) { valueRecord.xPlacement = this.parseShort(); } + if (valueFormat & 0x0002) { valueRecord.yPlacement = this.parseShort(); } + if (valueFormat & 0x0004) { valueRecord.xAdvance = this.parseShort(); } + if (valueFormat & 0x0008) { valueRecord.yAdvance = this.parseShort(); } + + // Device table (non-variable font) / VariationIndex table (variable font) not supported + // https://docs.microsoft.com/fr-fr/typography/opentype/spec/chapter2#devVarIdxTbls + if (valueFormat & 0x0010) { valueRecord.xPlaDevice = undefined; this.parseShort(); } + if (valueFormat & 0x0020) { valueRecord.yPlaDevice = undefined; this.parseShort(); } + if (valueFormat & 0x0040) { valueRecord.xAdvDevice = undefined; this.parseShort(); } + if (valueFormat & 0x0080) { valueRecord.yAdvDevice = undefined; this.parseShort(); } + + return valueRecord; +}; + +/** + * Parse a list of GPOS valueRecords + * https://docs.microsoft.com/en-us/typography/opentype/spec/gpos#value-record + * valueFormat and valueCount are read from the stream. + */ +Parser.prototype.parseValueRecordList = function() { + var valueFormat = this.parseUShort(); + var valueCount = this.parseUShort(); + var values = new Array(valueCount); + for (var i = 0; i < valueCount; i++) { + values[i] = this.parseValueRecord(valueFormat); + } + return values; +}; + +Parser.prototype.parsePointer = function(description) { + var structOffset = this.parseOffset16(); + if (structOffset > 0) { + // NULL offset => return undefined + return new Parser(this.data, this.offset + structOffset).parseStruct(description); + } + return undefined; +}; + +Parser.prototype.parsePointer32 = function(description) { + var structOffset = this.parseOffset32(); + if (structOffset > 0) { + // NULL offset => return undefined + return new Parser(this.data, this.offset + structOffset).parseStruct(description); + } + return undefined; +}; + +/** + * Parse a list of offsets to lists of 16-bit integers, + * or a list of offsets to lists of offsets to any kind of items. + * If itemCallback is not provided, a list of list of UShort is assumed. + * If provided, itemCallback is called on each item and must parse the item. + * See examples in tables/gsub.js + */ +Parser.prototype.parseListOfLists = function(itemCallback) { + var offsets = this.parseOffset16List(); + var count = offsets.length; + var relativeOffset = this.relativeOffset; + var list = new Array(count); + for (var i = 0; i < count; i++) { + var start = offsets[i]; + if (start === 0) { + // NULL offset + // Add i as owned property to list. Convenient with assert. + list[i] = undefined; + continue; + } + this.relativeOffset = start; + if (itemCallback) { + var subOffsets = this.parseOffset16List(); + var subList = new Array(subOffsets.length); + for (var j = 0; j < subOffsets.length; j++) { + this.relativeOffset = start + subOffsets[j]; + subList[j] = itemCallback.call(this); + } + list[i] = subList; + } else { + list[i] = this.parseUShortList(); + } + } + this.relativeOffset = relativeOffset; + return list; +}; + +///// Complex tables parsing ////////////////////////////////// + +// Parse a coverage table in a GSUB, GPOS or GDEF table. +// https://www.microsoft.com/typography/OTSPEC/chapter2.htm +// parser.offset must point to the start of the table containing the coverage. +Parser.prototype.parseCoverage = function() { + var startOffset = this.offset + this.relativeOffset; + var format = this.parseUShort(); + var count = this.parseUShort(); + if (format === 1) { + return { + format: 1, + glyphs: this.parseUShortList(count) + }; + } else if (format === 2) { + var ranges = new Array(count); + for (var i = 0; i < count; i++) { + ranges[i] = { + start: this.parseUShort(), + end: this.parseUShort(), + index: this.parseUShort() + }; + } + return { + format: 2, + ranges: ranges + }; + } + throw new Error('0x' + startOffset.toString(16) + ': Coverage format must be 1 or 2.'); +}; + +// Parse a Class Definition Table in a GSUB, GPOS or GDEF table. +// https://www.microsoft.com/typography/OTSPEC/chapter2.htm +Parser.prototype.parseClassDef = function() { + var startOffset = this.offset + this.relativeOffset; + var format = this.parseUShort(); + if (format === 1) { + return { + format: 1, + startGlyph: this.parseUShort(), + classes: this.parseUShortList() + }; + } else if (format === 2) { + return { + format: 2, + ranges: this.parseRecordList({ + start: Parser.uShort, + end: Parser.uShort, + classId: Parser.uShort + }) + }; + } + throw new Error('0x' + startOffset.toString(16) + ': ClassDef format must be 1 or 2.'); +}; + +///// Static methods /////////////////////////////////// +// These convenience methods can be used as callbacks and should be called with "this" context set to a Parser instance. + +Parser.list = function(count, itemCallback) { + return function() { + return this.parseList(count, itemCallback); + }; +}; + +Parser.list32 = function(count, itemCallback) { + return function() { + return this.parseList32(count, itemCallback); + }; +}; + +Parser.recordList = function(count, recordDescription) { + return function() { + return this.parseRecordList(count, recordDescription); + }; +}; + +Parser.recordList32 = function(count, recordDescription) { + return function() { + return this.parseRecordList32(count, recordDescription); + }; +}; + +Parser.pointer = function(description) { + return function() { + return this.parsePointer(description); + }; +}; + +Parser.pointer32 = function(description) { + return function() { + return this.parsePointer32(description); + }; +}; + +Parser.tag = Parser.prototype.parseTag; +Parser.byte = Parser.prototype.parseByte; +Parser.uShort = Parser.offset16 = Parser.prototype.parseUShort; +Parser.uShortList = Parser.prototype.parseUShortList; +Parser.uLong = Parser.offset32 = Parser.prototype.parseULong; +Parser.uLongList = Parser.prototype.parseULongList; +Parser.struct = Parser.prototype.parseStruct; +Parser.coverage = Parser.prototype.parseCoverage; +Parser.classDef = Parser.prototype.parseClassDef; + +///// Script, Feature, Lookup lists /////////////////////////////////////////////// +// https://www.microsoft.com/typography/OTSPEC/chapter2.htm + +var langSysTable = { + reserved: Parser.uShort, + reqFeatureIndex: Parser.uShort, + featureIndexes: Parser.uShortList +}; + +Parser.prototype.parseScriptList = function() { + return this.parsePointer(Parser.recordList({ + tag: Parser.tag, + script: Parser.pointer({ + defaultLangSys: Parser.pointer(langSysTable), + langSysRecords: Parser.recordList({ + tag: Parser.tag, + langSys: Parser.pointer(langSysTable) + }) + }) + })) || []; +}; + +Parser.prototype.parseFeatureList = function() { + return this.parsePointer(Parser.recordList({ + tag: Parser.tag, + feature: Parser.pointer({ + featureParams: Parser.offset16, + lookupListIndexes: Parser.uShortList + }) + })) || []; +}; + +Parser.prototype.parseLookupList = function(lookupTableParsers) { + return this.parsePointer(Parser.list(Parser.pointer(function() { + var lookupType = this.parseUShort(); + check.argument(1 <= lookupType && lookupType <= 9, 'GPOS/GSUB lookup type ' + lookupType + ' unknown.'); + var lookupFlag = this.parseUShort(); + var useMarkFilteringSet = lookupFlag & 0x10; + return { + lookupType: lookupType, + lookupFlag: lookupFlag, + subtables: this.parseList(Parser.pointer(lookupTableParsers[lookupType])), + markFilteringSet: useMarkFilteringSet ? this.parseUShort() : undefined + }; + }))) || []; +}; + +Parser.prototype.parseFeatureVariationsList = function() { + return this.parsePointer32(function() { + var majorVersion = this.parseUShort(); + var minorVersion = this.parseUShort(); + check.argument(majorVersion === 1 && minorVersion < 1, 'GPOS/GSUB feature variations table unknown.'); + var featureVariations = this.parseRecordList32({ + conditionSetOffset: Parser.offset32, + featureTableSubstitutionOffset: Parser.offset32 + }); + return featureVariations; + }) || []; +}; + +var parse = { + getByte: getByte, + getCard8: getByte, + getUShort: getUShort, + getCard16: getUShort, + getShort: getShort, + getULong: getULong, + getFixed: getFixed, + getTag: getTag, + getOffset: getOffset, + getBytes: getBytes, + bytesToString: bytesToString, + Parser: Parser, +}; + +// The `cmap` table stores the mappings from characters to glyphs. + +function parseCmapTableFormat12(cmap, p) { + //Skip reserved. + p.parseUShort(); + + // Length in bytes of the sub-tables. + cmap.length = p.parseULong(); + cmap.language = p.parseULong(); + + var groupCount; + cmap.groupCount = groupCount = p.parseULong(); + cmap.glyphIndexMap = {}; + + for (var i = 0; i < groupCount; i += 1) { + var startCharCode = p.parseULong(); + var endCharCode = p.parseULong(); + var startGlyphId = p.parseULong(); + + for (var c = startCharCode; c <= endCharCode; c += 1) { + cmap.glyphIndexMap[c] = startGlyphId; + startGlyphId++; + } + } +} + +function parseCmapTableFormat4(cmap, p, data, start, offset) { + // Length in bytes of the sub-tables. + cmap.length = p.parseUShort(); + cmap.language = p.parseUShort(); + + // segCount is stored x 2. + var segCount; + cmap.segCount = segCount = p.parseUShort() >> 1; + + // Skip searchRange, entrySelector, rangeShift. + p.skip('uShort', 3); + + // The "unrolled" mapping from character codes to glyph indices. + cmap.glyphIndexMap = {}; + var endCountParser = new parse.Parser(data, start + offset + 14); + var startCountParser = new parse.Parser(data, start + offset + 16 + segCount * 2); + var idDeltaParser = new parse.Parser(data, start + offset + 16 + segCount * 4); + var idRangeOffsetParser = new parse.Parser(data, start + offset + 16 + segCount * 6); + var glyphIndexOffset = start + offset + 16 + segCount * 8; + for (var i = 0; i < segCount - 1; i += 1) { + var glyphIndex = (void 0); + var endCount = endCountParser.parseUShort(); + var startCount = startCountParser.parseUShort(); + var idDelta = idDeltaParser.parseShort(); + var idRangeOffset = idRangeOffsetParser.parseUShort(); + for (var c = startCount; c <= endCount; c += 1) { + if (idRangeOffset !== 0) { + // The idRangeOffset is relative to the current position in the idRangeOffset array. + // Take the current offset in the idRangeOffset array. + glyphIndexOffset = (idRangeOffsetParser.offset + idRangeOffsetParser.relativeOffset - 2); + + // Add the value of the idRangeOffset, which will move us into the glyphIndex array. + glyphIndexOffset += idRangeOffset; + + // Then add the character index of the current segment, multiplied by 2 for USHORTs. + glyphIndexOffset += (c - startCount) * 2; + glyphIndex = parse.getUShort(data, glyphIndexOffset); + if (glyphIndex !== 0) { + glyphIndex = (glyphIndex + idDelta) & 0xFFFF; + } + } else { + glyphIndex = (c + idDelta) & 0xFFFF; + } + + cmap.glyphIndexMap[c] = glyphIndex; + } + } +} + +// Parse the `cmap` table. This table stores the mappings from characters to glyphs. +// There are many available formats, but we only support the Windows format 4 and 12. +// This function returns a `CmapEncoding` object or null if no supported format could be found. +function parseCmapTable(data, start) { + var cmap = {}; + cmap.version = parse.getUShort(data, start); + check.argument(cmap.version === 0, 'cmap table version should be 0.'); + + // The cmap table can contain many sub-tables, each with their own format. + // We're only interested in a "platform 0" (Unicode format) and "platform 3" (Windows format) table. + cmap.numTables = parse.getUShort(data, start + 2); + var offset = -1; + for (var i = cmap.numTables - 1; i >= 0; i -= 1) { + var platformId = parse.getUShort(data, start + 4 + (i * 8)); + var encodingId = parse.getUShort(data, start + 4 + (i * 8) + 2); + if ((platformId === 3 && (encodingId === 0 || encodingId === 1 || encodingId === 10)) || + (platformId === 0 && (encodingId === 0 || encodingId === 1 || encodingId === 2 || encodingId === 3 || encodingId === 4))) { + offset = parse.getULong(data, start + 4 + (i * 8) + 4); + break; + } + } + + if (offset === -1) { + // There is no cmap table in the font that we support. + throw new Error('No valid cmap sub-tables found.'); + } + + var p = new parse.Parser(data, start + offset); + cmap.format = p.parseUShort(); + + if (cmap.format === 12) { + parseCmapTableFormat12(cmap, p); + } else if (cmap.format === 4) { + parseCmapTableFormat4(cmap, p, data, start, offset); + } else { + throw new Error('Only format 4 and 12 cmap tables are supported (found format ' + cmap.format + ').'); + } + + return cmap; +} + +function addSegment(t, code, glyphIndex) { + t.segments.push({ + end: code, + start: code, + delta: -(code - glyphIndex), + offset: 0, + glyphIndex: glyphIndex + }); +} + +function addTerminatorSegment(t) { + t.segments.push({ + end: 0xFFFF, + start: 0xFFFF, + delta: 1, + offset: 0 + }); +} + +// Make cmap table, format 4 by default, 12 if needed only +function makeCmapTable(glyphs) { + // Plan 0 is the base Unicode Plan but emojis, for example are on another plan, and needs cmap 12 format (with 32bit) + var isPlan0Only = true; + var i; + + // Check if we need to add cmap format 12 or if format 4 only is fine + for (i = glyphs.length - 1; i > 0; i -= 1) { + var g = glyphs.get(i); + if (g.unicode > 65535) { + console.log('Adding CMAP format 12 (needed!)'); + isPlan0Only = false; + break; + } + } + + var cmapTable = [ + {name: 'version', type: 'USHORT', value: 0}, + {name: 'numTables', type: 'USHORT', value: isPlan0Only ? 1 : 2}, + + // CMAP 4 header + {name: 'platformID', type: 'USHORT', value: 3}, + {name: 'encodingID', type: 'USHORT', value: 1}, + {name: 'offset', type: 'ULONG', value: isPlan0Only ? 12 : (12 + 8)} + ]; + + if (!isPlan0Only) + { cmapTable = cmapTable.concat([ + // CMAP 12 header + {name: 'cmap12PlatformID', type: 'USHORT', value: 3}, // We encode only for PlatformID = 3 (Windows) because it is supported everywhere + {name: 'cmap12EncodingID', type: 'USHORT', value: 10}, + {name: 'cmap12Offset', type: 'ULONG', value: 0} + ]); } + + cmapTable = cmapTable.concat([ + // CMAP 4 Subtable + {name: 'format', type: 'USHORT', value: 4}, + {name: 'cmap4Length', type: 'USHORT', value: 0}, + {name: 'language', type: 'USHORT', value: 0}, + {name: 'segCountX2', type: 'USHORT', value: 0}, + {name: 'searchRange', type: 'USHORT', value: 0}, + {name: 'entrySelector', type: 'USHORT', value: 0}, + {name: 'rangeShift', type: 'USHORT', value: 0} + ]); + + var t = new table.Table('cmap', cmapTable); + + t.segments = []; + for (i = 0; i < glyphs.length; i += 1) { + var glyph = glyphs.get(i); + for (var j = 0; j < glyph.unicodes.length; j += 1) { + addSegment(t, glyph.unicodes[j], i); + } + + t.segments = t.segments.sort(function (a, b) { + return a.start - b.start; + }); + } + + addTerminatorSegment(t); + + var segCount = t.segments.length; + var segCountToRemove = 0; + + // CMAP 4 + // Set up parallel segment arrays. + var endCounts = []; + var startCounts = []; + var idDeltas = []; + var idRangeOffsets = []; + var glyphIds = []; + + // CMAP 12 + var cmap12Groups = []; + + // Reminder this loop is not following the specification at 100% + // The specification -> find suites of characters and make a group + // Here we're doing one group for each letter + // Doing as the spec can save 8 times (or more) space + for (i = 0; i < segCount; i += 1) { + var segment = t.segments[i]; + + // CMAP 4 + if (segment.end <= 65535 && segment.start <= 65535) { + endCounts = endCounts.concat({name: 'end_' + i, type: 'USHORT', value: segment.end}); + startCounts = startCounts.concat({name: 'start_' + i, type: 'USHORT', value: segment.start}); + idDeltas = idDeltas.concat({name: 'idDelta_' + i, type: 'SHORT', value: segment.delta}); + idRangeOffsets = idRangeOffsets.concat({name: 'idRangeOffset_' + i, type: 'USHORT', value: segment.offset}); + if (segment.glyphId !== undefined) { + glyphIds = glyphIds.concat({name: 'glyph_' + i, type: 'USHORT', value: segment.glyphId}); + } + } else { + // Skip Unicode > 65535 (16bit unsigned max) for CMAP 4, will be added in CMAP 12 + segCountToRemove += 1; + } + + // CMAP 12 + // Skip Terminator Segment + if (!isPlan0Only && segment.glyphIndex !== undefined) { + cmap12Groups = cmap12Groups.concat({name: 'cmap12Start_' + i, type: 'ULONG', value: segment.start}); + cmap12Groups = cmap12Groups.concat({name: 'cmap12End_' + i, type: 'ULONG', value: segment.end}); + cmap12Groups = cmap12Groups.concat({name: 'cmap12Glyph_' + i, type: 'ULONG', value: segment.glyphIndex}); + } + } + + // CMAP 4 Subtable + t.segCountX2 = (segCount - segCountToRemove) * 2; + t.searchRange = Math.pow(2, Math.floor(Math.log((segCount - segCountToRemove)) / Math.log(2))) * 2; + t.entrySelector = Math.log(t.searchRange / 2) / Math.log(2); + t.rangeShift = t.segCountX2 - t.searchRange; + + t.fields = t.fields.concat(endCounts); + t.fields.push({name: 'reservedPad', type: 'USHORT', value: 0}); + t.fields = t.fields.concat(startCounts); + t.fields = t.fields.concat(idDeltas); + t.fields = t.fields.concat(idRangeOffsets); + t.fields = t.fields.concat(glyphIds); + + t.cmap4Length = 14 + // Subtable header + endCounts.length * 2 + + 2 + // reservedPad + startCounts.length * 2 + + idDeltas.length * 2 + + idRangeOffsets.length * 2 + + glyphIds.length * 2; + + if (!isPlan0Only) { + // CMAP 12 Subtable + var cmap12Length = 16 + // Subtable header + cmap12Groups.length * 4; + + t.cmap12Offset = 12 + (2 * 2) + 4 + t.cmap4Length; + t.fields = t.fields.concat([ + {name: 'cmap12Format', type: 'USHORT', value: 12}, + {name: 'cmap12Reserved', type: 'USHORT', value: 0}, + {name: 'cmap12Length', type: 'ULONG', value: cmap12Length}, + {name: 'cmap12Language', type: 'ULONG', value: 0}, + {name: 'cmap12nGroups', type: 'ULONG', value: cmap12Groups.length / 3} + ]); + + t.fields = t.fields.concat(cmap12Groups); + } + + return t; +} + +var cmap = { parse: parseCmapTable, make: makeCmapTable }; + +// Glyph encoding + +var cffStandardStrings = [ + '.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', 'ampersand', 'quoteright', + 'parenleft', 'parenright', 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', + 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', + 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', + 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', 'asciicircum', 'underscore', + 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', + 'u', 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', 'exclamdown', 'cent', 'sterling', + 'fraction', 'yen', 'florin', 'section', 'currency', 'quotesingle', 'quotedblleft', 'guillemotleft', + 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl', 'periodcentered', 'paragraph', + 'bullet', 'quotesinglbase', 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', 'perthousand', + 'questiondown', 'grave', 'acute', 'circumflex', 'tilde', 'macron', 'breve', 'dotaccent', 'dieresis', 'ring', + 'cedilla', 'hungarumlaut', 'ogonek', 'caron', 'emdash', 'AE', 'ordfeminine', 'Lslash', 'Oslash', 'OE', + 'ordmasculine', 'ae', 'dotlessi', 'lslash', 'oslash', 'oe', 'germandbls', 'onesuperior', 'logicalnot', 'mu', + 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', 'onequarter', 'divide', 'brokenbar', 'degree', 'thorn', + 'threequarters', 'twosuperior', 'registered', 'minus', 'eth', 'multiply', 'threesuperior', 'copyright', + 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', 'Atilde', 'Ccedilla', 'Eacute', 'Ecircumflex', + 'Edieresis', 'Egrave', 'Iacute', 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', 'Ocircumflex', + 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', 'Ucircumflex', 'Udieresis', 'Ugrave', 'Yacute', + 'Ydieresis', 'Zcaron', 'aacute', 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', 'ccedilla', 'eacute', + 'ecircumflex', 'edieresis', 'egrave', 'iacute', 'icircumflex', 'idieresis', 'igrave', 'ntilde', 'oacute', + 'ocircumflex', 'odieresis', 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis', 'ugrave', + 'yacute', 'ydieresis', 'zcaron', 'exclamsmall', 'Hungarumlautsmall', 'dollaroldstyle', 'dollarsuperior', + 'ampersandsmall', 'Acutesmall', 'parenleftsuperior', 'parenrightsuperior', '266 ff', 'onedotenleader', + 'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', + 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'commasuperior', 'threequartersemdash', 'periodsuperior', + 'questionsmall', 'asuperior', 'bsuperior', 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior', + 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', 'tsuperior', 'ff', 'ffi', 'ffl', + 'parenleftinferior', 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', 'Asmall', + 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', + 'Msmall', 'Nsmall', 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', + 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', 'Tildesmall', 'exclamdownsmall', + 'centoldstyle', 'Lslashsmall', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall', 'Caronsmall', + 'Dotaccentsmall', 'Macronsmall', 'figuredash', 'hypheninferior', 'Ogoneksmall', 'Ringsmall', 'Cedillasmall', + 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', 'seveneighths', 'onethird', 'twothirds', + 'zerosuperior', 'foursuperior', 'fivesuperior', 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', + 'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior', 'fourinferior', 'fiveinferior', 'sixinferior', + 'seveninferior', 'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior', 'periodinferior', + 'commainferior', 'Agravesmall', 'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', + 'Aringsmall', 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', 'Ecircumflexsmall', 'Edieresissmall', + 'Igravesmall', 'Iacutesmall', 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall', 'Ogravesmall', + 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall', 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', + 'Uacutesmall', 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall', 'Ydieresissmall', '001.000', + '001.001', '001.002', '001.003', 'Black', 'Bold', 'Book', 'Light', 'Medium', 'Regular', 'Roman', 'Semibold']; + +var cffStandardEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', 'ampersand', 'quoteright', + 'parenleft', 'parenright', 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', + 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', + 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', + 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', 'asciicircum', 'underscore', + 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', + 'u', 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'exclamdown', 'cent', 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', 'quotesingle', + 'quotedblleft', 'guillemotleft', 'guilsinglleft', 'guilsinglright', 'fi', 'fl', '', 'endash', 'dagger', + 'daggerdbl', 'periodcentered', '', 'paragraph', 'bullet', 'quotesinglbase', 'quotedblbase', 'quotedblright', + 'guillemotright', 'ellipsis', 'perthousand', '', 'questiondown', '', 'grave', 'acute', 'circumflex', 'tilde', + 'macron', 'breve', 'dotaccent', 'dieresis', '', 'ring', 'cedilla', '', 'hungarumlaut', 'ogonek', 'caron', + 'emdash', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', 'AE', '', 'ordfeminine', '', '', '', + '', 'Lslash', 'Oslash', 'OE', 'ordmasculine', '', '', '', '', '', 'ae', '', '', '', 'dotlessi', '', '', + 'lslash', 'oslash', 'oe', 'germandbls']; + +var cffExpertEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', 'space', 'exclamsmall', 'Hungarumlautsmall', '', 'dollaroldstyle', 'dollarsuperior', + 'ampersandsmall', 'Acutesmall', 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', 'onedotenleader', + 'comma', 'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle', + 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'colon', + 'semicolon', 'commasuperior', 'threequartersemdash', 'periodsuperior', 'questionsmall', '', 'asuperior', + 'bsuperior', 'centsuperior', 'dsuperior', 'esuperior', '', '', 'isuperior', '', '', 'lsuperior', 'msuperior', + 'nsuperior', 'osuperior', '', '', 'rsuperior', 'ssuperior', 'tsuperior', '', 'ff', 'fi', 'fl', 'ffi', 'ffl', + 'parenleftinferior', '', 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', 'Asmall', + 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', + 'Msmall', 'Nsmall', 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', + 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', 'Tildesmall', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', '', '', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', + 'Brevesmall', 'Caronsmall', '', 'Dotaccentsmall', '', '', 'Macronsmall', '', '', 'figuredash', 'hypheninferior', + '', '', 'Ogoneksmall', 'Ringsmall', 'Cedillasmall', '', '', '', 'onequarter', 'onehalf', 'threequarters', + 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', 'seveneighths', 'onethird', 'twothirds', '', + '', 'zerosuperior', 'onesuperior', 'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior', + 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', 'zeroinferior', 'oneinferior', 'twoinferior', + 'threeinferior', 'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior', 'eightinferior', + 'nineinferior', 'centinferior', 'dollarinferior', 'periodinferior', 'commainferior', 'Agravesmall', + 'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', 'Aringsmall', 'AEsmall', 'Ccedillasmall', + 'Egravesmall', 'Eacutesmall', 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall', + 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall', 'Ogravesmall', 'Oacutesmall', + 'Ocircumflexsmall', 'Otildesmall', 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall', + 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall', 'Ydieresissmall']; + +var standardNames = [ + '.notdef', '.null', 'nonmarkingreturn', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', + 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', + 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', + 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', + 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', + 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', + 'Adieresis', 'Aring', 'Ccedilla', 'Eacute', 'Ntilde', 'Odieresis', 'Udieresis', 'aacute', 'agrave', + 'acircumflex', 'adieresis', 'atilde', 'aring', 'ccedilla', 'eacute', 'egrave', 'ecircumflex', 'edieresis', + 'iacute', 'igrave', 'icircumflex', 'idieresis', 'ntilde', 'oacute', 'ograve', 'ocircumflex', 'odieresis', + 'otilde', 'uacute', 'ugrave', 'ucircumflex', 'udieresis', 'dagger', 'degree', 'cent', 'sterling', 'section', + 'bullet', 'paragraph', 'germandbls', 'registered', 'copyright', 'trademark', 'acute', 'dieresis', 'notequal', + 'AE', 'Oslash', 'infinity', 'plusminus', 'lessequal', 'greaterequal', 'yen', 'mu', 'partialdiff', 'summation', + 'product', 'pi', 'integral', 'ordfeminine', 'ordmasculine', 'Omega', 'ae', 'oslash', 'questiondown', + 'exclamdown', 'logicalnot', 'radical', 'florin', 'approxequal', 'Delta', 'guillemotleft', 'guillemotright', + 'ellipsis', 'nonbreakingspace', 'Agrave', 'Atilde', 'Otilde', 'OE', 'oe', 'endash', 'emdash', 'quotedblleft', + 'quotedblright', 'quoteleft', 'quoteright', 'divide', 'lozenge', 'ydieresis', 'Ydieresis', 'fraction', + 'currency', 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'daggerdbl', 'periodcentered', 'quotesinglbase', + 'quotedblbase', 'perthousand', 'Acircumflex', 'Ecircumflex', 'Aacute', 'Edieresis', 'Egrave', 'Iacute', + 'Icircumflex', 'Idieresis', 'Igrave', 'Oacute', 'Ocircumflex', 'apple', 'Ograve', 'Uacute', 'Ucircumflex', + 'Ugrave', 'dotlessi', 'circumflex', 'tilde', 'macron', 'breve', 'dotaccent', 'ring', 'cedilla', 'hungarumlaut', + 'ogonek', 'caron', 'Lslash', 'lslash', 'Scaron', 'scaron', 'Zcaron', 'zcaron', 'brokenbar', 'Eth', 'eth', + 'Yacute', 'yacute', 'Thorn', 'thorn', 'minus', 'multiply', 'onesuperior', 'twosuperior', 'threesuperior', + 'onehalf', 'onequarter', 'threequarters', 'franc', 'Gbreve', 'gbreve', 'Idotaccent', 'Scedilla', 'scedilla', + 'Cacute', 'cacute', 'Ccaron', 'ccaron', 'dcroat']; + +/** + * This is the encoding used for fonts created from scratch. + * It loops through all glyphs and finds the appropriate unicode value. + * Since it's linear time, other encodings will be faster. + * @exports opentype.DefaultEncoding + * @class + * @constructor + * @param {opentype.Font} + */ +function DefaultEncoding(font) { + this.font = font; +} + +DefaultEncoding.prototype.charToGlyphIndex = function(c) { + var code = c.codePointAt(0); + var glyphs = this.font.glyphs; + if (glyphs) { + for (var i = 0; i < glyphs.length; i += 1) { + var glyph = glyphs.get(i); + for (var j = 0; j < glyph.unicodes.length; j += 1) { + if (glyph.unicodes[j] === code) { + return i; + } + } + } + } + return null; +}; + +/** + * @exports opentype.CmapEncoding + * @class + * @constructor + * @param {Object} cmap - a object with the cmap encoded data + */ +function CmapEncoding(cmap) { + this.cmap = cmap; +} + +/** + * @param {string} c - the character + * @return {number} The glyph index. + */ +CmapEncoding.prototype.charToGlyphIndex = function(c) { + return this.cmap.glyphIndexMap[c.codePointAt(0)] || 0; +}; + +/** + * @exports opentype.CffEncoding + * @class + * @constructor + * @param {string} encoding - The encoding + * @param {Array} charset - The character set. + */ +function CffEncoding(encoding, charset) { + this.encoding = encoding; + this.charset = charset; +} + +/** + * @param {string} s - The character + * @return {number} The index. + */ +CffEncoding.prototype.charToGlyphIndex = function(s) { + var code = s.codePointAt(0); + var charName = this.encoding[code]; + return this.charset.indexOf(charName); +}; + +/** + * @exports opentype.GlyphNames + * @class + * @constructor + * @param {Object} post + */ +function GlyphNames(post) { + switch (post.version) { + case 1: + this.names = standardNames.slice(); + break; + case 2: + this.names = new Array(post.numberOfGlyphs); + for (var i = 0; i < post.numberOfGlyphs; i++) { + if (post.glyphNameIndex[i] < standardNames.length) { + this.names[i] = standardNames[post.glyphNameIndex[i]]; + } else { + this.names[i] = post.names[post.glyphNameIndex[i] - standardNames.length]; + } + } + + break; + case 2.5: + this.names = new Array(post.numberOfGlyphs); + for (var i$1 = 0; i$1 < post.numberOfGlyphs; i$1++) { + this.names[i$1] = standardNames[i$1 + post.glyphNameIndex[i$1]]; + } + + break; + case 3: + this.names = []; + break; + default: + this.names = []; + break; + } +} + +/** + * Gets the index of a glyph by name. + * @param {string} name - The glyph name + * @return {number} The index + */ +GlyphNames.prototype.nameToGlyphIndex = function(name) { + return this.names.indexOf(name); +}; + +/** + * @param {number} gid + * @return {string} + */ +GlyphNames.prototype.glyphIndexToName = function(gid) { + return this.names[gid]; +}; + +function addGlyphNamesAll(font) { + var glyph; + var glyphIndexMap = font.tables.cmap.glyphIndexMap; + var charCodes = Object.keys(glyphIndexMap); + + for (var i = 0; i < charCodes.length; i += 1) { + var c = charCodes[i]; + var glyphIndex = glyphIndexMap[c]; + glyph = font.glyphs.get(glyphIndex); + glyph.addUnicode(parseInt(c)); + } + + for (var i$1 = 0; i$1 < font.glyphs.length; i$1 += 1) { + glyph = font.glyphs.get(i$1); + if (font.cffEncoding) { + if (font.isCIDFont) { + glyph.name = 'gid' + i$1; + } else { + glyph.name = font.cffEncoding.charset[i$1]; + } + } else if (font.glyphNames.names) { + glyph.name = font.glyphNames.glyphIndexToName(i$1); + } + } +} + +function addGlyphNamesToUnicodeMap(font) { + font._IndexToUnicodeMap = {}; + + var glyphIndexMap = font.tables.cmap.glyphIndexMap; + var charCodes = Object.keys(glyphIndexMap); + + for (var i = 0; i < charCodes.length; i += 1) { + var c = charCodes[i]; + var glyphIndex = glyphIndexMap[c]; + if (font._IndexToUnicodeMap[glyphIndex] === undefined) { + font._IndexToUnicodeMap[glyphIndex] = { + unicodes: [parseInt(c)] + }; + } else { + font._IndexToUnicodeMap[glyphIndex].unicodes.push(parseInt(c)); + } + } +} + +/** + * @alias opentype.addGlyphNames + * @param {opentype.Font} + * @param {Object} + */ +function addGlyphNames(font, opt) { + if (opt.lowMemory) { + addGlyphNamesToUnicodeMap(font); + } else { + addGlyphNamesAll(font); + } +} + +// Drawing utility functions. + +// Draw a line on the given context from point `x1,y1` to point `x2,y2`. +function line(ctx, x1, y1, x2, y2) { + ctx.beginPath(); + ctx.moveTo(x1, y1); + ctx.lineTo(x2, y2); + ctx.stroke(); +} + +var draw = { line: line }; + +// The Glyph object +// import glyf from './tables/glyf' Can't be imported here, because it's a circular dependency + +function getPathDefinition(glyph, path) { + var _path = path || new Path(); + return { + configurable: true, + + get: function() { + if (typeof _path === 'function') { + _path = _path(); + } + + return _path; + }, + + set: function(p) { + _path = p; + } + }; +} +/** + * @typedef GlyphOptions + * @type Object + * @property {string} [name] - The glyph name + * @property {number} [unicode] + * @property {Array} [unicodes] + * @property {number} [xMin] + * @property {number} [yMin] + * @property {number} [xMax] + * @property {number} [yMax] + * @property {number} [advanceWidth] + */ + +// A Glyph is an individual mark that often corresponds to a character. +// Some glyphs, such as ligatures, are a combination of many characters. +// Glyphs are the basic building blocks of a font. +// +// The `Glyph` class contains utility methods for drawing the path and its points. +/** + * @exports opentype.Glyph + * @class + * @param {GlyphOptions} + * @constructor + */ +function Glyph(options) { + // By putting all the code on a prototype function (which is only declared once) + // we reduce the memory requirements for larger fonts by some 2% + this.bindConstructorValues(options); +} + +/** + * @param {GlyphOptions} + */ +Glyph.prototype.bindConstructorValues = function(options) { + this.index = options.index || 0; + + // These three values cannot be deferred for memory optimization: + this.name = options.name || null; + this.unicode = options.unicode || undefined; + this.unicodes = options.unicodes || options.unicode !== undefined ? [options.unicode] : []; + + // But by binding these values only when necessary, we reduce can + // the memory requirements by almost 3% for larger fonts. + if ('xMin' in options) { + this.xMin = options.xMin; + } + + if ('yMin' in options) { + this.yMin = options.yMin; + } + + if ('xMax' in options) { + this.xMax = options.xMax; + } + + if ('yMax' in options) { + this.yMax = options.yMax; + } + + if ('advanceWidth' in options) { + this.advanceWidth = options.advanceWidth; + } + + // The path for a glyph is the most memory intensive, and is bound as a value + // with a getter/setter to ensure we actually do path parsing only once the + // path is actually needed by anything. + Object.defineProperty(this, 'path', getPathDefinition(this, options.path)); +}; + +/** + * @param {number} + */ +Glyph.prototype.addUnicode = function(unicode) { + if (this.unicodes.length === 0) { + this.unicode = unicode; + } + + this.unicodes.push(unicode); +}; + +/** + * Calculate the minimum bounding box for this glyph. + * @return {opentype.BoundingBox} + */ +Glyph.prototype.getBoundingBox = function() { + return this.path.getBoundingBox(); +}; + +/** + * Convert the glyph to a Path we can draw on a drawing context. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {Object=} options - xScale, yScale to stretch the glyph. + * @param {opentype.Font} if hinting is to be used, the font + * @return {opentype.Path} + */ +Glyph.prototype.getPath = function(x, y, fontSize, options, font) { + x = x !== undefined ? x : 0; + y = y !== undefined ? y : 0; + fontSize = fontSize !== undefined ? fontSize : 72; + var commands; + var hPoints; + if (!options) { options = { }; } + var xScale = options.xScale; + var yScale = options.yScale; + + if (options.hinting && font && font.hinting) { + // in case of hinting, the hinting engine takes care + // of scaling the points (not the path) before hinting. + hPoints = this.path && font.hinting.exec(this, fontSize); + // in case the hinting engine failed hPoints is undefined + // and thus reverts to plain rending + } + + if (hPoints) { + // Call font.hinting.getCommands instead of `glyf.getPath(hPoints).commands` to avoid a circular dependency + commands = font.hinting.getCommands(hPoints); + x = Math.round(x); + y = Math.round(y); + // TODO in case of hinting xyScaling is not yet supported + xScale = yScale = 1; + } else { + commands = this.path.commands; + var scale = 1 / (this.path.unitsPerEm || 1000) * fontSize; + if (xScale === undefined) { xScale = scale; } + if (yScale === undefined) { yScale = scale; } + } + + var p = new Path(); + for (var i = 0; i < commands.length; i += 1) { + var cmd = commands[i]; + if (cmd.type === 'M') { + p.moveTo(x + (cmd.x * xScale), y + (-cmd.y * yScale)); + } else if (cmd.type === 'L') { + p.lineTo(x + (cmd.x * xScale), y + (-cmd.y * yScale)); + } else if (cmd.type === 'Q') { + p.quadraticCurveTo(x + (cmd.x1 * xScale), y + (-cmd.y1 * yScale), + x + (cmd.x * xScale), y + (-cmd.y * yScale)); + } else if (cmd.type === 'C') { + p.curveTo(x + (cmd.x1 * xScale), y + (-cmd.y1 * yScale), + x + (cmd.x2 * xScale), y + (-cmd.y2 * yScale), + x + (cmd.x * xScale), y + (-cmd.y * yScale)); + } else if (cmd.type === 'Z') { + p.closePath(); + } + } + + return p; +}; + +/** + * Split the glyph into contours. + * This function is here for backwards compatibility, and to + * provide raw access to the TrueType glyph outlines. + * @return {Array} + */ +Glyph.prototype.getContours = function() { + if (this.points === undefined) { + return []; + } + + var contours = []; + var currentContour = []; + for (var i = 0; i < this.points.length; i += 1) { + var pt = this.points[i]; + currentContour.push(pt); + if (pt.lastPointOfContour) { + contours.push(currentContour); + currentContour = []; + } + } + + check.argument(currentContour.length === 0, 'There are still points left in the current contour.'); + return contours; +}; + +/** + * Calculate the xMin/yMin/xMax/yMax/lsb/rsb for a Glyph. + * @return {Object} + */ +Glyph.prototype.getMetrics = function() { + var commands = this.path.commands; + var xCoords = []; + var yCoords = []; + for (var i = 0; i < commands.length; i += 1) { + var cmd = commands[i]; + if (cmd.type !== 'Z') { + xCoords.push(cmd.x); + yCoords.push(cmd.y); + } + + if (cmd.type === 'Q' || cmd.type === 'C') { + xCoords.push(cmd.x1); + yCoords.push(cmd.y1); + } + + if (cmd.type === 'C') { + xCoords.push(cmd.x2); + yCoords.push(cmd.y2); + } + } + + var metrics = { + xMin: Math.min.apply(null, xCoords), + yMin: Math.min.apply(null, yCoords), + xMax: Math.max.apply(null, xCoords), + yMax: Math.max.apply(null, yCoords), + leftSideBearing: this.leftSideBearing + }; + + if (!isFinite(metrics.xMin)) { + metrics.xMin = 0; + } + + if (!isFinite(metrics.xMax)) { + metrics.xMax = this.advanceWidth; + } + + if (!isFinite(metrics.yMin)) { + metrics.yMin = 0; + } + + if (!isFinite(metrics.yMax)) { + metrics.yMax = 0; + } + + metrics.rightSideBearing = this.advanceWidth - metrics.leftSideBearing - (metrics.xMax - metrics.xMin); + return metrics; +}; + +/** + * Draw the glyph on the given context. + * @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {Object=} options - xScale, yScale to stretch the glyph. + */ +Glyph.prototype.draw = function(ctx, x, y, fontSize, options) { + this.getPath(x, y, fontSize, options).draw(ctx); +}; + +/** + * Draw the points of the glyph. + * On-curve points will be drawn in blue, off-curve points will be drawn in red. + * @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + */ +Glyph.prototype.drawPoints = function(ctx, x, y, fontSize) { + function drawCircles(l, x, y, scale) { + ctx.beginPath(); + for (var j = 0; j < l.length; j += 1) { + ctx.moveTo(x + (l[j].x * scale), y + (l[j].y * scale)); + ctx.arc(x + (l[j].x * scale), y + (l[j].y * scale), 2, 0, Math.PI * 2, false); + } + + ctx.closePath(); + ctx.fill(); + } + + x = x !== undefined ? x : 0; + y = y !== undefined ? y : 0; + fontSize = fontSize !== undefined ? fontSize : 24; + var scale = 1 / this.path.unitsPerEm * fontSize; + + var blueCircles = []; + var redCircles = []; + var path = this.path; + for (var i = 0; i < path.commands.length; i += 1) { + var cmd = path.commands[i]; + if (cmd.x !== undefined) { + blueCircles.push({x: cmd.x, y: -cmd.y}); + } + + if (cmd.x1 !== undefined) { + redCircles.push({x: cmd.x1, y: -cmd.y1}); + } + + if (cmd.x2 !== undefined) { + redCircles.push({x: cmd.x2, y: -cmd.y2}); + } + } + + ctx.fillStyle = 'blue'; + drawCircles(blueCircles, x, y, scale); + ctx.fillStyle = 'red'; + drawCircles(redCircles, x, y, scale); +}; + +/** + * Draw lines indicating important font measurements. + * Black lines indicate the origin of the coordinate system (point 0,0). + * Blue lines indicate the glyph bounding box. + * Green line indicates the advance width of the glyph. + * @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + */ +Glyph.prototype.drawMetrics = function(ctx, x, y, fontSize) { + var scale; + x = x !== undefined ? x : 0; + y = y !== undefined ? y : 0; + fontSize = fontSize !== undefined ? fontSize : 24; + scale = 1 / this.path.unitsPerEm * fontSize; + ctx.lineWidth = 1; + + // Draw the origin + ctx.strokeStyle = 'black'; + draw.line(ctx, x, -10000, x, 10000); + draw.line(ctx, -10000, y, 10000, y); + + // This code is here due to memory optimization: by not using + // defaults in the constructor, we save a notable amount of memory. + var xMin = this.xMin || 0; + var yMin = this.yMin || 0; + var xMax = this.xMax || 0; + var yMax = this.yMax || 0; + var advanceWidth = this.advanceWidth || 0; + + // Draw the glyph box + ctx.strokeStyle = 'blue'; + draw.line(ctx, x + (xMin * scale), -10000, x + (xMin * scale), 10000); + draw.line(ctx, x + (xMax * scale), -10000, x + (xMax * scale), 10000); + draw.line(ctx, -10000, y + (-yMin * scale), 10000, y + (-yMin * scale)); + draw.line(ctx, -10000, y + (-yMax * scale), 10000, y + (-yMax * scale)); + + // Draw the advance width + ctx.strokeStyle = 'green'; + draw.line(ctx, x + (advanceWidth * scale), -10000, x + (advanceWidth * scale), 10000); +}; + +// The GlyphSet object + +// Define a property on the glyph that depends on the path being loaded. +function defineDependentProperty(glyph, externalName, internalName) { + Object.defineProperty(glyph, externalName, { + get: function() { + // Request the path property to make sure the path is loaded. + glyph.path; // jshint ignore:line + return glyph[internalName]; + }, + set: function(newValue) { + glyph[internalName] = newValue; + }, + enumerable: true, + configurable: true + }); +} + +/** + * A GlyphSet represents all glyphs available in the font, but modelled using + * a deferred glyph loader, for retrieving glyphs only once they are absolutely + * necessary, to keep the memory footprint down. + * @exports opentype.GlyphSet + * @class + * @param {opentype.Font} + * @param {Array} + */ +function GlyphSet(font, glyphs) { + this.font = font; + this.glyphs = {}; + if (Array.isArray(glyphs)) { + for (var i = 0; i < glyphs.length; i++) { + var glyph = glyphs[i]; + glyph.path.unitsPerEm = font.unitsPerEm; + this.glyphs[i] = glyph; + } + } + + this.length = (glyphs && glyphs.length) || 0; +} + +/** + * @param {number} index + * @return {opentype.Glyph} + */ +GlyphSet.prototype.get = function(index) { + // this.glyphs[index] is 'undefined' when low memory mode is on. glyph is pushed on request only. + if (this.glyphs[index] === undefined) { + this.font._push(index); + if (typeof this.glyphs[index] === 'function') { + this.glyphs[index] = this.glyphs[index](); + } + + var glyph = this.glyphs[index]; + var unicodeObj = this.font._IndexToUnicodeMap[index]; + + if (unicodeObj) { + for (var j = 0; j < unicodeObj.unicodes.length; j++) + { glyph.addUnicode(unicodeObj.unicodes[j]); } + } + + if (this.font.cffEncoding) { + if (this.font.isCIDFont) { + glyph.name = 'gid' + index; + } else { + glyph.name = this.font.cffEncoding.charset[index]; + } + } else if (this.font.glyphNames.names) { + glyph.name = this.font.glyphNames.glyphIndexToName(index); + } + + this.glyphs[index].advanceWidth = this.font._hmtxTableData[index].advanceWidth; + this.glyphs[index].leftSideBearing = this.font._hmtxTableData[index].leftSideBearing; + } else { + if (typeof this.glyphs[index] === 'function') { + this.glyphs[index] = this.glyphs[index](); + } + } + + return this.glyphs[index]; +}; + +/** + * @param {number} index + * @param {Object} + */ +GlyphSet.prototype.push = function(index, loader) { + this.glyphs[index] = loader; + this.length++; +}; + +/** + * @alias opentype.glyphLoader + * @param {opentype.Font} font + * @param {number} index + * @return {opentype.Glyph} + */ +function glyphLoader(font, index) { + return new Glyph({index: index, font: font}); +} + +/** + * Generate a stub glyph that can be filled with all metadata *except* + * the "points" and "path" properties, which must be loaded only once + * the glyph's path is actually requested for text shaping. + * @alias opentype.ttfGlyphLoader + * @param {opentype.Font} font + * @param {number} index + * @param {Function} parseGlyph + * @param {Object} data + * @param {number} position + * @param {Function} buildPath + * @return {opentype.Glyph} + */ +function ttfGlyphLoader(font, index, parseGlyph, data, position, buildPath) { + return function() { + var glyph = new Glyph({index: index, font: font}); + + glyph.path = function() { + parseGlyph(glyph, data, position); + var path = buildPath(font.glyphs, glyph); + path.unitsPerEm = font.unitsPerEm; + return path; + }; + + defineDependentProperty(glyph, 'xMin', '_xMin'); + defineDependentProperty(glyph, 'xMax', '_xMax'); + defineDependentProperty(glyph, 'yMin', '_yMin'); + defineDependentProperty(glyph, 'yMax', '_yMax'); + + return glyph; + }; +} +/** + * @alias opentype.cffGlyphLoader + * @param {opentype.Font} font + * @param {number} index + * @param {Function} parseCFFCharstring + * @param {string} charstring + * @return {opentype.Glyph} + */ +function cffGlyphLoader(font, index, parseCFFCharstring, charstring) { + return function() { + var glyph = new Glyph({index: index, font: font}); + + glyph.path = function() { + var path = parseCFFCharstring(font, glyph, charstring); + path.unitsPerEm = font.unitsPerEm; + return path; + }; + + return glyph; + }; +} + +var glyphset = { GlyphSet: GlyphSet, glyphLoader: glyphLoader, ttfGlyphLoader: ttfGlyphLoader, cffGlyphLoader: cffGlyphLoader }; + +// The `CFF` table contains the glyph outlines in PostScript format. + +// Custom equals function that can also check lists. +function equals(a, b) { + if (a === b) { + return true; + } else if (Array.isArray(a) && Array.isArray(b)) { + if (a.length !== b.length) { + return false; + } + + for (var i = 0; i < a.length; i += 1) { + if (!equals(a[i], b[i])) { + return false; + } + } + + return true; + } else { + return false; + } +} + +// Subroutines are encoded using the negative half of the number space. +// See type 2 chapter 4.7 "Subroutine operators". +function calcCFFSubroutineBias(subrs) { + var bias; + if (subrs.length < 1240) { + bias = 107; + } else if (subrs.length < 33900) { + bias = 1131; + } else { + bias = 32768; + } + + return bias; +} + +// Parse a `CFF` INDEX array. +// An index array consists of a list of offsets, then a list of objects at those offsets. +function parseCFFIndex(data, start, conversionFn) { + var offsets = []; + var objects = []; + var count = parse.getCard16(data, start); + var objectOffset; + var endOffset; + if (count !== 0) { + var offsetSize = parse.getByte(data, start + 2); + objectOffset = start + ((count + 1) * offsetSize) + 2; + var pos = start + 3; + for (var i = 0; i < count + 1; i += 1) { + offsets.push(parse.getOffset(data, pos, offsetSize)); + pos += offsetSize; + } + + // The total size of the index array is 4 header bytes + the value of the last offset. + endOffset = objectOffset + offsets[count]; + } else { + endOffset = start + 2; + } + + for (var i$1 = 0; i$1 < offsets.length - 1; i$1 += 1) { + var value = parse.getBytes(data, objectOffset + offsets[i$1], objectOffset + offsets[i$1 + 1]); + if (conversionFn) { + value = conversionFn(value); + } + + objects.push(value); + } + + return {objects: objects, startOffset: start, endOffset: endOffset}; +} + +function parseCFFIndexLowMemory(data, start) { + var offsets = []; + var count = parse.getCard16(data, start); + var objectOffset; + var endOffset; + if (count !== 0) { + var offsetSize = parse.getByte(data, start + 2); + objectOffset = start + ((count + 1) * offsetSize) + 2; + var pos = start + 3; + for (var i = 0; i < count + 1; i += 1) { + offsets.push(parse.getOffset(data, pos, offsetSize)); + pos += offsetSize; + } + + // The total size of the index array is 4 header bytes + the value of the last offset. + endOffset = objectOffset + offsets[count]; + } else { + endOffset = start + 2; + } + + return {offsets: offsets, startOffset: start, endOffset: endOffset}; +} +function getCffIndexObject(i, offsets, data, start, conversionFn) { + var count = parse.getCard16(data, start); + var objectOffset = 0; + if (count !== 0) { + var offsetSize = parse.getByte(data, start + 2); + objectOffset = start + ((count + 1) * offsetSize) + 2; + } + + var value = parse.getBytes(data, objectOffset + offsets[i], objectOffset + offsets[i + 1]); + if (conversionFn) { + value = conversionFn(value); + } + return value; +} + +// Parse a `CFF` DICT real value. +function parseFloatOperand(parser) { + var s = ''; + var eof = 15; + var lookup = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.', 'E', 'E-', null, '-']; + while (true) { + var b = parser.parseByte(); + var n1 = b >> 4; + var n2 = b & 15; + + if (n1 === eof) { + break; + } + + s += lookup[n1]; + + if (n2 === eof) { + break; + } + + s += lookup[n2]; + } + + return parseFloat(s); +} + +// Parse a `CFF` DICT operand. +function parseOperand(parser, b0) { + var b1; + var b2; + var b3; + var b4; + if (b0 === 28) { + b1 = parser.parseByte(); + b2 = parser.parseByte(); + return b1 << 8 | b2; + } + + if (b0 === 29) { + b1 = parser.parseByte(); + b2 = parser.parseByte(); + b3 = parser.parseByte(); + b4 = parser.parseByte(); + return b1 << 24 | b2 << 16 | b3 << 8 | b4; + } + + if (b0 === 30) { + return parseFloatOperand(parser); + } + + if (b0 >= 32 && b0 <= 246) { + return b0 - 139; + } + + if (b0 >= 247 && b0 <= 250) { + b1 = parser.parseByte(); + return (b0 - 247) * 256 + b1 + 108; + } + + if (b0 >= 251 && b0 <= 254) { + b1 = parser.parseByte(); + return -(b0 - 251) * 256 - b1 - 108; + } + + throw new Error('Invalid b0 ' + b0); +} + +// Convert the entries returned by `parseDict` to a proper dictionary. +// If a value is a list of one, it is unpacked. +function entriesToObject(entries) { + var o = {}; + for (var i = 0; i < entries.length; i += 1) { + var key = entries[i][0]; + var values = entries[i][1]; + var value = (void 0); + if (values.length === 1) { + value = values[0]; + } else { + value = values; + } + + if (o.hasOwnProperty(key) && !isNaN(o[key])) { + throw new Error('Object ' + o + ' already has key ' + key); + } + + o[key] = value; + } + + return o; +} + +// Parse a `CFF` DICT object. +// A dictionary contains key-value pairs in a compact tokenized format. +function parseCFFDict(data, start, size) { + start = start !== undefined ? start : 0; + var parser = new parse.Parser(data, start); + var entries = []; + var operands = []; + size = size !== undefined ? size : data.length; + + while (parser.relativeOffset < size) { + var op = parser.parseByte(); + + // The first byte for each dict item distinguishes between operator (key) and operand (value). + // Values <= 21 are operators. + if (op <= 21) { + // Two-byte operators have an initial escape byte of 12. + if (op === 12) { + op = 1200 + parser.parseByte(); + } + + entries.push([op, operands]); + operands = []; + } else { + // Since the operands (values) come before the operators (keys), we store all operands in a list + // until we encounter an operator. + operands.push(parseOperand(parser, op)); + } + } + + return entriesToObject(entries); +} + +// Given a String Index (SID), return the value of the string. +// Strings below index 392 are standard CFF strings and are not encoded in the font. +function getCFFString(strings, index) { + if (index <= 390) { + index = cffStandardStrings[index]; + } else { + index = strings[index - 391]; + } + + return index; +} + +// Interpret a dictionary and return a new dictionary with readable keys and values for missing entries. +// This function takes `meta` which is a list of objects containing `operand`, `name` and `default`. +function interpretDict(dict, meta, strings) { + var newDict = {}; + var value; + + // Because we also want to include missing values, we start out from the meta list + // and lookup values in the dict. + for (var i = 0; i < meta.length; i += 1) { + var m = meta[i]; + + if (Array.isArray(m.type)) { + var values = []; + values.length = m.type.length; + for (var j = 0; j < m.type.length; j++) { + value = dict[m.op] !== undefined ? dict[m.op][j] : undefined; + if (value === undefined) { + value = m.value !== undefined && m.value[j] !== undefined ? m.value[j] : null; + } + if (m.type[j] === 'SID') { + value = getCFFString(strings, value); + } + values[j] = value; + } + newDict[m.name] = values; + } else { + value = dict[m.op]; + if (value === undefined) { + value = m.value !== undefined ? m.value : null; + } + + if (m.type === 'SID') { + value = getCFFString(strings, value); + } + newDict[m.name] = value; + } + } + + return newDict; +} + +// Parse the CFF header. +function parseCFFHeader(data, start) { + var header = {}; + header.formatMajor = parse.getCard8(data, start); + header.formatMinor = parse.getCard8(data, start + 1); + header.size = parse.getCard8(data, start + 2); + header.offsetSize = parse.getCard8(data, start + 3); + header.startOffset = start; + header.endOffset = start + 4; + return header; +} + +var TOP_DICT_META = [ + {name: 'version', op: 0, type: 'SID'}, + {name: 'notice', op: 1, type: 'SID'}, + {name: 'copyright', op: 1200, type: 'SID'}, + {name: 'fullName', op: 2, type: 'SID'}, + {name: 'familyName', op: 3, type: 'SID'}, + {name: 'weight', op: 4, type: 'SID'}, + {name: 'isFixedPitch', op: 1201, type: 'number', value: 0}, + {name: 'italicAngle', op: 1202, type: 'number', value: 0}, + {name: 'underlinePosition', op: 1203, type: 'number', value: -100}, + {name: 'underlineThickness', op: 1204, type: 'number', value: 50}, + {name: 'paintType', op: 1205, type: 'number', value: 0}, + {name: 'charstringType', op: 1206, type: 'number', value: 2}, + { + name: 'fontMatrix', + op: 1207, + type: ['real', 'real', 'real', 'real', 'real', 'real'], + value: [0.001, 0, 0, 0.001, 0, 0] + }, + {name: 'uniqueId', op: 13, type: 'number'}, + {name: 'fontBBox', op: 5, type: ['number', 'number', 'number', 'number'], value: [0, 0, 0, 0]}, + {name: 'strokeWidth', op: 1208, type: 'number', value: 0}, + {name: 'xuid', op: 14, type: [], value: null}, + {name: 'charset', op: 15, type: 'offset', value: 0}, + {name: 'encoding', op: 16, type: 'offset', value: 0}, + {name: 'charStrings', op: 17, type: 'offset', value: 0}, + {name: 'private', op: 18, type: ['number', 'offset'], value: [0, 0]}, + {name: 'ros', op: 1230, type: ['SID', 'SID', 'number']}, + {name: 'cidFontVersion', op: 1231, type: 'number', value: 0}, + {name: 'cidFontRevision', op: 1232, type: 'number', value: 0}, + {name: 'cidFontType', op: 1233, type: 'number', value: 0}, + {name: 'cidCount', op: 1234, type: 'number', value: 8720}, + {name: 'uidBase', op: 1235, type: 'number'}, + {name: 'fdArray', op: 1236, type: 'offset'}, + {name: 'fdSelect', op: 1237, type: 'offset'}, + {name: 'fontName', op: 1238, type: 'SID'} +]; + +var PRIVATE_DICT_META = [ + {name: 'subrs', op: 19, type: 'offset', value: 0}, + {name: 'defaultWidthX', op: 20, type: 'number', value: 0}, + {name: 'nominalWidthX', op: 21, type: 'number', value: 0} +]; + +// Parse the CFF top dictionary. A CFF table can contain multiple fonts, each with their own top dictionary. +// The top dictionary contains the essential metadata for the font, together with the private dictionary. +function parseCFFTopDict(data, strings) { + var dict = parseCFFDict(data, 0, data.byteLength); + return interpretDict(dict, TOP_DICT_META, strings); +} + +// Parse the CFF private dictionary. We don't fully parse out all the values, only the ones we need. +function parseCFFPrivateDict(data, start, size, strings) { + var dict = parseCFFDict(data, start, size); + return interpretDict(dict, PRIVATE_DICT_META, strings); +} + +// Returns a list of "Top DICT"s found using an INDEX list. +// Used to read both the usual high-level Top DICTs and also the FDArray +// discovered inside CID-keyed fonts. When a Top DICT has a reference to +// a Private DICT that is read and saved into the Top DICT. +// +// In addition to the expected/optional values as outlined in TOP_DICT_META +// the following values might be saved into the Top DICT. +// +// _subrs [] array of local CFF subroutines from Private DICT +// _subrsBias bias value computed from number of subroutines +// (see calcCFFSubroutineBias() and parseCFFCharstring()) +// _defaultWidthX default widths for CFF characters +// _nominalWidthX bias added to width embedded within glyph description +// +// _privateDict saved copy of parsed Private DICT from Top DICT +function gatherCFFTopDicts(data, start, cffIndex, strings) { + var topDictArray = []; + for (var iTopDict = 0; iTopDict < cffIndex.length; iTopDict += 1) { + var topDictData = new DataView(new Uint8Array(cffIndex[iTopDict]).buffer); + var topDict = parseCFFTopDict(topDictData, strings); + topDict._subrs = []; + topDict._subrsBias = 0; + topDict._defaultWidthX = 0; + topDict._nominalWidthX = 0; + var privateSize = topDict.private[0]; + var privateOffset = topDict.private[1]; + if (privateSize !== 0 && privateOffset !== 0) { + var privateDict = parseCFFPrivateDict(data, privateOffset + start, privateSize, strings); + topDict._defaultWidthX = privateDict.defaultWidthX; + topDict._nominalWidthX = privateDict.nominalWidthX; + if (privateDict.subrs !== 0) { + var subrOffset = privateOffset + privateDict.subrs; + var subrIndex = parseCFFIndex(data, subrOffset + start); + topDict._subrs = subrIndex.objects; + topDict._subrsBias = calcCFFSubroutineBias(topDict._subrs); + } + topDict._privateDict = privateDict; + } + topDictArray.push(topDict); + } + return topDictArray; +} + +// Parse the CFF charset table, which contains internal names for all the glyphs. +// This function will return a list of glyph names. +// See Adobe TN #5176 chapter 13, "Charsets". +function parseCFFCharset(data, start, nGlyphs, strings) { + var sid; + var count; + var parser = new parse.Parser(data, start); + + // The .notdef glyph is not included, so subtract 1. + nGlyphs -= 1; + var charset = ['.notdef']; + + var format = parser.parseCard8(); + if (format === 0) { + for (var i = 0; i < nGlyphs; i += 1) { + sid = parser.parseSID(); + charset.push(getCFFString(strings, sid)); + } + } else if (format === 1) { + while (charset.length <= nGlyphs) { + sid = parser.parseSID(); + count = parser.parseCard8(); + for (var i$1 = 0; i$1 <= count; i$1 += 1) { + charset.push(getCFFString(strings, sid)); + sid += 1; + } + } + } else if (format === 2) { + while (charset.length <= nGlyphs) { + sid = parser.parseSID(); + count = parser.parseCard16(); + for (var i$2 = 0; i$2 <= count; i$2 += 1) { + charset.push(getCFFString(strings, sid)); + sid += 1; + } + } + } else { + throw new Error('Unknown charset format ' + format); + } + + return charset; +} + +// Parse the CFF encoding data. Only one encoding can be specified per font. +// See Adobe TN #5176 chapter 12, "Encodings". +function parseCFFEncoding(data, start, charset) { + var code; + var enc = {}; + var parser = new parse.Parser(data, start); + var format = parser.parseCard8(); + if (format === 0) { + var nCodes = parser.parseCard8(); + for (var i = 0; i < nCodes; i += 1) { + code = parser.parseCard8(); + enc[code] = i; + } + } else if (format === 1) { + var nRanges = parser.parseCard8(); + code = 1; + for (var i$1 = 0; i$1 < nRanges; i$1 += 1) { + var first = parser.parseCard8(); + var nLeft = parser.parseCard8(); + for (var j = first; j <= first + nLeft; j += 1) { + enc[j] = code; + code += 1; + } + } + } else { + throw new Error('Unknown encoding format ' + format); + } + + return new CffEncoding(enc, charset); +} + +// Take in charstring code and return a Glyph object. +// The encoding is described in the Type 2 Charstring Format +// https://www.microsoft.com/typography/OTSPEC/charstr2.htm +function parseCFFCharstring(font, glyph, code) { + var c1x; + var c1y; + var c2x; + var c2y; + var p = new Path(); + var stack = []; + var nStems = 0; + var haveWidth = false; + var open = false; + var x = 0; + var y = 0; + var subrs; + var subrsBias; + var defaultWidthX; + var nominalWidthX; + if (font.isCIDFont) { + var fdIndex = font.tables.cff.topDict._fdSelect[glyph.index]; + var fdDict = font.tables.cff.topDict._fdArray[fdIndex]; + subrs = fdDict._subrs; + subrsBias = fdDict._subrsBias; + defaultWidthX = fdDict._defaultWidthX; + nominalWidthX = fdDict._nominalWidthX; + } else { + subrs = font.tables.cff.topDict._subrs; + subrsBias = font.tables.cff.topDict._subrsBias; + defaultWidthX = font.tables.cff.topDict._defaultWidthX; + nominalWidthX = font.tables.cff.topDict._nominalWidthX; + } + var width = defaultWidthX; + + function newContour(x, y) { + if (open) { + p.closePath(); + } + + p.moveTo(x, y); + open = true; + } + + function parseStems() { + var hasWidthArg; + + // The number of stem operators on the stack is always even. + // If the value is uneven, that means a width is specified. + hasWidthArg = stack.length % 2 !== 0; + if (hasWidthArg && !haveWidth) { + width = stack.shift() + nominalWidthX; + } + + nStems += stack.length >> 1; + stack.length = 0; + haveWidth = true; + } + + function parse(code) { + var b1; + var b2; + var b3; + var b4; + var codeIndex; + var subrCode; + var jpx; + var jpy; + var c3x; + var c3y; + var c4x; + var c4y; + + var i = 0; + while (i < code.length) { + var v = code[i]; + i += 1; + switch (v) { + case 1: // hstem + parseStems(); + break; + case 3: // vstem + parseStems(); + break; + case 4: // vmoveto + if (stack.length > 1 && !haveWidth) { + width = stack.shift() + nominalWidthX; + haveWidth = true; + } + + y += stack.pop(); + newContour(x, y); + break; + case 5: // rlineto + while (stack.length > 0) { + x += stack.shift(); + y += stack.shift(); + p.lineTo(x, y); + } + + break; + case 6: // hlineto + while (stack.length > 0) { + x += stack.shift(); + p.lineTo(x, y); + if (stack.length === 0) { + break; + } + + y += stack.shift(); + p.lineTo(x, y); + } + + break; + case 7: // vlineto + while (stack.length > 0) { + y += stack.shift(); + p.lineTo(x, y); + if (stack.length === 0) { + break; + } + + x += stack.shift(); + p.lineTo(x, y); + } + + break; + case 8: // rrcurveto + while (stack.length > 0) { + c1x = x + stack.shift(); + c1y = y + stack.shift(); + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + x = c2x + stack.shift(); + y = c2y + stack.shift(); + p.curveTo(c1x, c1y, c2x, c2y, x, y); + } + + break; + case 10: // callsubr + codeIndex = stack.pop() + subrsBias; + subrCode = subrs[codeIndex]; + if (subrCode) { + parse(subrCode); + } + + break; + case 11: // return + return; + case 12: // flex operators + v = code[i]; + i += 1; + switch (v) { + case 35: // flex + // |- dx1 dy1 dx2 dy2 dx3 dy3 dx4 dy4 dx5 dy5 dx6 dy6 fd flex (12 35) |- + c1x = x + stack.shift(); // dx1 + c1y = y + stack.shift(); // dy1 + c2x = c1x + stack.shift(); // dx2 + c2y = c1y + stack.shift(); // dy2 + jpx = c2x + stack.shift(); // dx3 + jpy = c2y + stack.shift(); // dy3 + c3x = jpx + stack.shift(); // dx4 + c3y = jpy + stack.shift(); // dy4 + c4x = c3x + stack.shift(); // dx5 + c4y = c3y + stack.shift(); // dy5 + x = c4x + stack.shift(); // dx6 + y = c4y + stack.shift(); // dy6 + stack.shift(); // flex depth + p.curveTo(c1x, c1y, c2x, c2y, jpx, jpy); + p.curveTo(c3x, c3y, c4x, c4y, x, y); + break; + case 34: // hflex + // |- dx1 dx2 dy2 dx3 dx4 dx5 dx6 hflex (12 34) |- + c1x = x + stack.shift(); // dx1 + c1y = y; // dy1 + c2x = c1x + stack.shift(); // dx2 + c2y = c1y + stack.shift(); // dy2 + jpx = c2x + stack.shift(); // dx3 + jpy = c2y; // dy3 + c3x = jpx + stack.shift(); // dx4 + c3y = c2y; // dy4 + c4x = c3x + stack.shift(); // dx5 + c4y = y; // dy5 + x = c4x + stack.shift(); // dx6 + p.curveTo(c1x, c1y, c2x, c2y, jpx, jpy); + p.curveTo(c3x, c3y, c4x, c4y, x, y); + break; + case 36: // hflex1 + // |- dx1 dy1 dx2 dy2 dx3 dx4 dx5 dy5 dx6 hflex1 (12 36) |- + c1x = x + stack.shift(); // dx1 + c1y = y + stack.shift(); // dy1 + c2x = c1x + stack.shift(); // dx2 + c2y = c1y + stack.shift(); // dy2 + jpx = c2x + stack.shift(); // dx3 + jpy = c2y; // dy3 + c3x = jpx + stack.shift(); // dx4 + c3y = c2y; // dy4 + c4x = c3x + stack.shift(); // dx5 + c4y = c3y + stack.shift(); // dy5 + x = c4x + stack.shift(); // dx6 + p.curveTo(c1x, c1y, c2x, c2y, jpx, jpy); + p.curveTo(c3x, c3y, c4x, c4y, x, y); + break; + case 37: // flex1 + // |- dx1 dy1 dx2 dy2 dx3 dy3 dx4 dy4 dx5 dy5 d6 flex1 (12 37) |- + c1x = x + stack.shift(); // dx1 + c1y = y + stack.shift(); // dy1 + c2x = c1x + stack.shift(); // dx2 + c2y = c1y + stack.shift(); // dy2 + jpx = c2x + stack.shift(); // dx3 + jpy = c2y + stack.shift(); // dy3 + c3x = jpx + stack.shift(); // dx4 + c3y = jpy + stack.shift(); // dy4 + c4x = c3x + stack.shift(); // dx5 + c4y = c3y + stack.shift(); // dy5 + if (Math.abs(c4x - x) > Math.abs(c4y - y)) { + x = c4x + stack.shift(); + } else { + y = c4y + stack.shift(); + } + + p.curveTo(c1x, c1y, c2x, c2y, jpx, jpy); + p.curveTo(c3x, c3y, c4x, c4y, x, y); + break; + default: + console.log('Glyph ' + glyph.index + ': unknown operator ' + 1200 + v); + stack.length = 0; + } + break; + case 14: // endchar + if (stack.length > 0 && !haveWidth) { + width = stack.shift() + nominalWidthX; + haveWidth = true; + } + + if (open) { + p.closePath(); + open = false; + } + + break; + case 18: // hstemhm + parseStems(); + break; + case 19: // hintmask + case 20: // cntrmask + parseStems(); + i += (nStems + 7) >> 3; + break; + case 21: // rmoveto + if (stack.length > 2 && !haveWidth) { + width = stack.shift() + nominalWidthX; + haveWidth = true; + } + + y += stack.pop(); + x += stack.pop(); + newContour(x, y); + break; + case 22: // hmoveto + if (stack.length > 1 && !haveWidth) { + width = stack.shift() + nominalWidthX; + haveWidth = true; + } + + x += stack.pop(); + newContour(x, y); + break; + case 23: // vstemhm + parseStems(); + break; + case 24: // rcurveline + while (stack.length > 2) { + c1x = x + stack.shift(); + c1y = y + stack.shift(); + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + x = c2x + stack.shift(); + y = c2y + stack.shift(); + p.curveTo(c1x, c1y, c2x, c2y, x, y); + } + + x += stack.shift(); + y += stack.shift(); + p.lineTo(x, y); + break; + case 25: // rlinecurve + while (stack.length > 6) { + x += stack.shift(); + y += stack.shift(); + p.lineTo(x, y); + } + + c1x = x + stack.shift(); + c1y = y + stack.shift(); + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + x = c2x + stack.shift(); + y = c2y + stack.shift(); + p.curveTo(c1x, c1y, c2x, c2y, x, y); + break; + case 26: // vvcurveto + if (stack.length % 2) { + x += stack.shift(); + } + + while (stack.length > 0) { + c1x = x; + c1y = y + stack.shift(); + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + x = c2x; + y = c2y + stack.shift(); + p.curveTo(c1x, c1y, c2x, c2y, x, y); + } + + break; + case 27: // hhcurveto + if (stack.length % 2) { + y += stack.shift(); + } + + while (stack.length > 0) { + c1x = x + stack.shift(); + c1y = y; + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + x = c2x + stack.shift(); + y = c2y; + p.curveTo(c1x, c1y, c2x, c2y, x, y); + } + + break; + case 28: // shortint + b1 = code[i]; + b2 = code[i + 1]; + stack.push(((b1 << 24) | (b2 << 16)) >> 16); + i += 2; + break; + case 29: // callgsubr + codeIndex = stack.pop() + font.gsubrsBias; + subrCode = font.gsubrs[codeIndex]; + if (subrCode) { + parse(subrCode); + } + + break; + case 30: // vhcurveto + while (stack.length > 0) { + c1x = x; + c1y = y + stack.shift(); + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + x = c2x + stack.shift(); + y = c2y + (stack.length === 1 ? stack.shift() : 0); + p.curveTo(c1x, c1y, c2x, c2y, x, y); + if (stack.length === 0) { + break; + } + + c1x = x + stack.shift(); + c1y = y; + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + y = c2y + stack.shift(); + x = c2x + (stack.length === 1 ? stack.shift() : 0); + p.curveTo(c1x, c1y, c2x, c2y, x, y); + } + + break; + case 31: // hvcurveto + while (stack.length > 0) { + c1x = x + stack.shift(); + c1y = y; + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + y = c2y + stack.shift(); + x = c2x + (stack.length === 1 ? stack.shift() : 0); + p.curveTo(c1x, c1y, c2x, c2y, x, y); + if (stack.length === 0) { + break; + } + + c1x = x; + c1y = y + stack.shift(); + c2x = c1x + stack.shift(); + c2y = c1y + stack.shift(); + x = c2x + stack.shift(); + y = c2y + (stack.length === 1 ? stack.shift() : 0); + p.curveTo(c1x, c1y, c2x, c2y, x, y); + } + + break; + default: + if (v < 32) { + console.log('Glyph ' + glyph.index + ': unknown operator ' + v); + } else if (v < 247) { + stack.push(v - 139); + } else if (v < 251) { + b1 = code[i]; + i += 1; + stack.push((v - 247) * 256 + b1 + 108); + } else if (v < 255) { + b1 = code[i]; + i += 1; + stack.push(-(v - 251) * 256 - b1 - 108); + } else { + b1 = code[i]; + b2 = code[i + 1]; + b3 = code[i + 2]; + b4 = code[i + 3]; + i += 4; + stack.push(((b1 << 24) | (b2 << 16) | (b3 << 8) | b4) / 65536); + } + } + } + } + + parse(code); + + glyph.advanceWidth = width; + return p; +} + +function parseCFFFDSelect(data, start, nGlyphs, fdArrayCount) { + var fdSelect = []; + var fdIndex; + var parser = new parse.Parser(data, start); + var format = parser.parseCard8(); + if (format === 0) { + // Simple list of nGlyphs elements + for (var iGid = 0; iGid < nGlyphs; iGid++) { + fdIndex = parser.parseCard8(); + if (fdIndex >= fdArrayCount) { + throw new Error('CFF table CID Font FDSelect has bad FD index value ' + fdIndex + ' (FD count ' + fdArrayCount + ')'); + } + fdSelect.push(fdIndex); + } + } else if (format === 3) { + // Ranges + var nRanges = parser.parseCard16(); + var first = parser.parseCard16(); + if (first !== 0) { + throw new Error('CFF Table CID Font FDSelect format 3 range has bad initial GID ' + first); + } + var next; + for (var iRange = 0; iRange < nRanges; iRange++) { + fdIndex = parser.parseCard8(); + next = parser.parseCard16(); + if (fdIndex >= fdArrayCount) { + throw new Error('CFF table CID Font FDSelect has bad FD index value ' + fdIndex + ' (FD count ' + fdArrayCount + ')'); + } + if (next > nGlyphs) { + throw new Error('CFF Table CID Font FDSelect format 3 range has bad GID ' + next); + } + for (; first < next; first++) { + fdSelect.push(fdIndex); + } + first = next; + } + if (next !== nGlyphs) { + throw new Error('CFF Table CID Font FDSelect format 3 range has bad final GID ' + next); + } + } else { + throw new Error('CFF Table CID Font FDSelect table has unsupported format ' + format); + } + return fdSelect; +} + +// Parse the `CFF` table, which contains the glyph outlines in PostScript format. +function parseCFFTable(data, start, font, opt) { + font.tables.cff = {}; + var header = parseCFFHeader(data, start); + var nameIndex = parseCFFIndex(data, header.endOffset, parse.bytesToString); + var topDictIndex = parseCFFIndex(data, nameIndex.endOffset); + var stringIndex = parseCFFIndex(data, topDictIndex.endOffset, parse.bytesToString); + var globalSubrIndex = parseCFFIndex(data, stringIndex.endOffset); + font.gsubrs = globalSubrIndex.objects; + font.gsubrsBias = calcCFFSubroutineBias(font.gsubrs); + + var topDictArray = gatherCFFTopDicts(data, start, topDictIndex.objects, stringIndex.objects); + if (topDictArray.length !== 1) { + throw new Error('CFF table has too many fonts in \'FontSet\' - count of fonts NameIndex.length = ' + topDictArray.length); + } + + var topDict = topDictArray[0]; + font.tables.cff.topDict = topDict; + + if (topDict._privateDict) { + font.defaultWidthX = topDict._privateDict.defaultWidthX; + font.nominalWidthX = topDict._privateDict.nominalWidthX; + } + + if (topDict.ros[0] !== undefined && topDict.ros[1] !== undefined) { + font.isCIDFont = true; + } + + if (font.isCIDFont) { + var fdArrayOffset = topDict.fdArray; + var fdSelectOffset = topDict.fdSelect; + if (fdArrayOffset === 0 || fdSelectOffset === 0) { + throw new Error('Font is marked as a CID font, but FDArray and/or FDSelect information is missing'); + } + fdArrayOffset += start; + var fdArrayIndex = parseCFFIndex(data, fdArrayOffset); + var fdArray = gatherCFFTopDicts(data, start, fdArrayIndex.objects, stringIndex.objects); + topDict._fdArray = fdArray; + fdSelectOffset += start; + topDict._fdSelect = parseCFFFDSelect(data, fdSelectOffset, font.numGlyphs, fdArray.length); + } + + var privateDictOffset = start + topDict.private[1]; + var privateDict = parseCFFPrivateDict(data, privateDictOffset, topDict.private[0], stringIndex.objects); + font.defaultWidthX = privateDict.defaultWidthX; + font.nominalWidthX = privateDict.nominalWidthX; + + if (privateDict.subrs !== 0) { + var subrOffset = privateDictOffset + privateDict.subrs; + var subrIndex = parseCFFIndex(data, subrOffset); + font.subrs = subrIndex.objects; + font.subrsBias = calcCFFSubroutineBias(font.subrs); + } else { + font.subrs = []; + font.subrsBias = 0; + } + + // Offsets in the top dict are relative to the beginning of the CFF data, so add the CFF start offset. + var charStringsIndex; + if (opt.lowMemory) { + charStringsIndex = parseCFFIndexLowMemory(data, start + topDict.charStrings); + font.nGlyphs = charStringsIndex.offsets.length; + } else { + charStringsIndex = parseCFFIndex(data, start + topDict.charStrings); + font.nGlyphs = charStringsIndex.objects.length; + } + + var charset = parseCFFCharset(data, start + topDict.charset, font.nGlyphs, stringIndex.objects); + if (topDict.encoding === 0) { + // Standard encoding + font.cffEncoding = new CffEncoding(cffStandardEncoding, charset); + } else if (topDict.encoding === 1) { + // Expert encoding + font.cffEncoding = new CffEncoding(cffExpertEncoding, charset); + } else { + font.cffEncoding = parseCFFEncoding(data, start + topDict.encoding, charset); + } + + // Prefer the CMAP encoding to the CFF encoding. + font.encoding = font.encoding || font.cffEncoding; + + font.glyphs = new glyphset.GlyphSet(font); + if (opt.lowMemory) { + font._push = function(i) { + var charString = getCffIndexObject(i, charStringsIndex.offsets, data, start + topDict.charStrings); + font.glyphs.push(i, glyphset.cffGlyphLoader(font, i, parseCFFCharstring, charString)); + }; + } else { + for (var i = 0; i < font.nGlyphs; i += 1) { + var charString = charStringsIndex.objects[i]; + font.glyphs.push(i, glyphset.cffGlyphLoader(font, i, parseCFFCharstring, charString)); + } + } +} + +// Convert a string to a String ID (SID). +// The list of strings is modified in place. +function encodeString(s, strings) { + var sid; + + // Is the string in the CFF standard strings? + var i = cffStandardStrings.indexOf(s); + if (i >= 0) { + sid = i; + } + + // Is the string already in the string index? + i = strings.indexOf(s); + if (i >= 0) { + sid = i + cffStandardStrings.length; + } else { + sid = cffStandardStrings.length + strings.length; + strings.push(s); + } + + return sid; +} + +function makeHeader() { + return new table.Record('Header', [ + {name: 'major', type: 'Card8', value: 1}, + {name: 'minor', type: 'Card8', value: 0}, + {name: 'hdrSize', type: 'Card8', value: 4}, + {name: 'major', type: 'Card8', value: 1} + ]); +} + +function makeNameIndex(fontNames) { + var t = new table.Record('Name INDEX', [ + {name: 'names', type: 'INDEX', value: []} + ]); + t.names = []; + for (var i = 0; i < fontNames.length; i += 1) { + t.names.push({name: 'name_' + i, type: 'NAME', value: fontNames[i]}); + } + + return t; +} + +// Given a dictionary's metadata, create a DICT structure. +function makeDict(meta, attrs, strings) { + var m = {}; + for (var i = 0; i < meta.length; i += 1) { + var entry = meta[i]; + var value = attrs[entry.name]; + if (value !== undefined && !equals(value, entry.value)) { + if (entry.type === 'SID') { + value = encodeString(value, strings); + } + + m[entry.op] = {name: entry.name, type: entry.type, value: value}; + } + } + + return m; +} + +// The Top DICT houses the global font attributes. +function makeTopDict(attrs, strings) { + var t = new table.Record('Top DICT', [ + {name: 'dict', type: 'DICT', value: {}} + ]); + t.dict = makeDict(TOP_DICT_META, attrs, strings); + return t; +} + +function makeTopDictIndex(topDict) { + var t = new table.Record('Top DICT INDEX', [ + {name: 'topDicts', type: 'INDEX', value: []} + ]); + t.topDicts = [{name: 'topDict_0', type: 'TABLE', value: topDict}]; + return t; +} + +function makeStringIndex(strings) { + var t = new table.Record('String INDEX', [ + {name: 'strings', type: 'INDEX', value: []} + ]); + t.strings = []; + for (var i = 0; i < strings.length; i += 1) { + t.strings.push({name: 'string_' + i, type: 'STRING', value: strings[i]}); + } + + return t; +} + +function makeGlobalSubrIndex() { + // Currently we don't use subroutines. + return new table.Record('Global Subr INDEX', [ + {name: 'subrs', type: 'INDEX', value: []} + ]); +} + +function makeCharsets(glyphNames, strings) { + var t = new table.Record('Charsets', [ + {name: 'format', type: 'Card8', value: 0} + ]); + for (var i = 0; i < glyphNames.length; i += 1) { + var glyphName = glyphNames[i]; + var glyphSID = encodeString(glyphName, strings); + t.fields.push({name: 'glyph_' + i, type: 'SID', value: glyphSID}); + } + + return t; +} + +function glyphToOps(glyph) { + var ops = []; + var path = glyph.path; + ops.push({name: 'width', type: 'NUMBER', value: glyph.advanceWidth}); + var x = 0; + var y = 0; + for (var i = 0; i < path.commands.length; i += 1) { + var dx = (void 0); + var dy = (void 0); + var cmd = path.commands[i]; + if (cmd.type === 'Q') { + // CFF only supports bézier curves, so convert the quad to a bézier. + var _13 = 1 / 3; + var _23 = 2 / 3; + + // We're going to create a new command so we don't change the original path. + // Since all coordinates are relative, we round() them ASAP to avoid propagating errors. + cmd = { + type: 'C', + x: cmd.x, + y: cmd.y, + x1: Math.round(_13 * x + _23 * cmd.x1), + y1: Math.round(_13 * y + _23 * cmd.y1), + x2: Math.round(_13 * cmd.x + _23 * cmd.x1), + y2: Math.round(_13 * cmd.y + _23 * cmd.y1) + }; + } + + if (cmd.type === 'M') { + dx = Math.round(cmd.x - x); + dy = Math.round(cmd.y - y); + ops.push({name: 'dx', type: 'NUMBER', value: dx}); + ops.push({name: 'dy', type: 'NUMBER', value: dy}); + ops.push({name: 'rmoveto', type: 'OP', value: 21}); + x = Math.round(cmd.x); + y = Math.round(cmd.y); + } else if (cmd.type === 'L') { + dx = Math.round(cmd.x - x); + dy = Math.round(cmd.y - y); + ops.push({name: 'dx', type: 'NUMBER', value: dx}); + ops.push({name: 'dy', type: 'NUMBER', value: dy}); + ops.push({name: 'rlineto', type: 'OP', value: 5}); + x = Math.round(cmd.x); + y = Math.round(cmd.y); + } else if (cmd.type === 'C') { + var dx1 = Math.round(cmd.x1 - x); + var dy1 = Math.round(cmd.y1 - y); + var dx2 = Math.round(cmd.x2 - cmd.x1); + var dy2 = Math.round(cmd.y2 - cmd.y1); + dx = Math.round(cmd.x - cmd.x2); + dy = Math.round(cmd.y - cmd.y2); + ops.push({name: 'dx1', type: 'NUMBER', value: dx1}); + ops.push({name: 'dy1', type: 'NUMBER', value: dy1}); + ops.push({name: 'dx2', type: 'NUMBER', value: dx2}); + ops.push({name: 'dy2', type: 'NUMBER', value: dy2}); + ops.push({name: 'dx', type: 'NUMBER', value: dx}); + ops.push({name: 'dy', type: 'NUMBER', value: dy}); + ops.push({name: 'rrcurveto', type: 'OP', value: 8}); + x = Math.round(cmd.x); + y = Math.round(cmd.y); + } + + // Contours are closed automatically. + } + + ops.push({name: 'endchar', type: 'OP', value: 14}); + return ops; +} + +function makeCharStringsIndex(glyphs) { + var t = new table.Record('CharStrings INDEX', [ + {name: 'charStrings', type: 'INDEX', value: []} + ]); + + for (var i = 0; i < glyphs.length; i += 1) { + var glyph = glyphs.get(i); + var ops = glyphToOps(glyph); + t.charStrings.push({name: glyph.name, type: 'CHARSTRING', value: ops}); + } + + return t; +} + +function makePrivateDict(attrs, strings) { + var t = new table.Record('Private DICT', [ + {name: 'dict', type: 'DICT', value: {}} + ]); + t.dict = makeDict(PRIVATE_DICT_META, attrs, strings); + return t; +} + +function makeCFFTable(glyphs, options) { + var t = new table.Table('CFF ', [ + {name: 'header', type: 'RECORD'}, + {name: 'nameIndex', type: 'RECORD'}, + {name: 'topDictIndex', type: 'RECORD'}, + {name: 'stringIndex', type: 'RECORD'}, + {name: 'globalSubrIndex', type: 'RECORD'}, + {name: 'charsets', type: 'RECORD'}, + {name: 'charStringsIndex', type: 'RECORD'}, + {name: 'privateDict', type: 'RECORD'} + ]); + + var fontScale = 1 / options.unitsPerEm; + // We use non-zero values for the offsets so that the DICT encodes them. + // This is important because the size of the Top DICT plays a role in offset calculation, + // and the size shouldn't change after we've written correct offsets. + var attrs = { + version: options.version, + fullName: options.fullName, + familyName: options.familyName, + weight: options.weightName, + fontBBox: options.fontBBox || [0, 0, 0, 0], + fontMatrix: [fontScale, 0, 0, fontScale, 0, 0], + charset: 999, + encoding: 0, + charStrings: 999, + private: [0, 999] + }; + + var privateAttrs = {}; + + var glyphNames = []; + var glyph; + + // Skip first glyph (.notdef) + for (var i = 1; i < glyphs.length; i += 1) { + glyph = glyphs.get(i); + glyphNames.push(glyph.name); + } + + var strings = []; + + t.header = makeHeader(); + t.nameIndex = makeNameIndex([options.postScriptName]); + var topDict = makeTopDict(attrs, strings); + t.topDictIndex = makeTopDictIndex(topDict); + t.globalSubrIndex = makeGlobalSubrIndex(); + t.charsets = makeCharsets(glyphNames, strings); + t.charStringsIndex = makeCharStringsIndex(glyphs); + t.privateDict = makePrivateDict(privateAttrs, strings); + + // Needs to come at the end, to encode all custom strings used in the font. + t.stringIndex = makeStringIndex(strings); + + var startOffset = t.header.sizeOf() + + t.nameIndex.sizeOf() + + t.topDictIndex.sizeOf() + + t.stringIndex.sizeOf() + + t.globalSubrIndex.sizeOf(); + attrs.charset = startOffset; + + // We use the CFF standard encoding; proper encoding will be handled in cmap. + attrs.encoding = 0; + attrs.charStrings = attrs.charset + t.charsets.sizeOf(); + attrs.private[1] = attrs.charStrings + t.charStringsIndex.sizeOf(); + + // Recreate the Top DICT INDEX with the correct offsets. + topDict = makeTopDict(attrs, strings); + t.topDictIndex = makeTopDictIndex(topDict); + + return t; +} + +var cff = { parse: parseCFFTable, make: makeCFFTable }; + +// The `head` table contains global information about the font. + +// Parse the header `head` table +function parseHeadTable(data, start) { + var head = {}; + var p = new parse.Parser(data, start); + head.version = p.parseVersion(); + head.fontRevision = Math.round(p.parseFixed() * 1000) / 1000; + head.checkSumAdjustment = p.parseULong(); + head.magicNumber = p.parseULong(); + check.argument(head.magicNumber === 0x5F0F3CF5, 'Font header has wrong magic number.'); + head.flags = p.parseUShort(); + head.unitsPerEm = p.parseUShort(); + head.created = p.parseLongDateTime(); + head.modified = p.parseLongDateTime(); + head.xMin = p.parseShort(); + head.yMin = p.parseShort(); + head.xMax = p.parseShort(); + head.yMax = p.parseShort(); + head.macStyle = p.parseUShort(); + head.lowestRecPPEM = p.parseUShort(); + head.fontDirectionHint = p.parseShort(); + head.indexToLocFormat = p.parseShort(); + head.glyphDataFormat = p.parseShort(); + return head; +} + +function makeHeadTable(options) { + // Apple Mac timestamp epoch is 01/01/1904 not 01/01/1970 + var timestamp = Math.round(new Date().getTime() / 1000) + 2082844800; + var createdTimestamp = timestamp; + + if (options.createdTimestamp) { + createdTimestamp = options.createdTimestamp + 2082844800; + } + + return new table.Table('head', [ + {name: 'version', type: 'FIXED', value: 0x00010000}, + {name: 'fontRevision', type: 'FIXED', value: 0x00010000}, + {name: 'checkSumAdjustment', type: 'ULONG', value: 0}, + {name: 'magicNumber', type: 'ULONG', value: 0x5F0F3CF5}, + {name: 'flags', type: 'USHORT', value: 0}, + {name: 'unitsPerEm', type: 'USHORT', value: 1000}, + {name: 'created', type: 'LONGDATETIME', value: createdTimestamp}, + {name: 'modified', type: 'LONGDATETIME', value: timestamp}, + {name: 'xMin', type: 'SHORT', value: 0}, + {name: 'yMin', type: 'SHORT', value: 0}, + {name: 'xMax', type: 'SHORT', value: 0}, + {name: 'yMax', type: 'SHORT', value: 0}, + {name: 'macStyle', type: 'USHORT', value: 0}, + {name: 'lowestRecPPEM', type: 'USHORT', value: 0}, + {name: 'fontDirectionHint', type: 'SHORT', value: 2}, + {name: 'indexToLocFormat', type: 'SHORT', value: 0}, + {name: 'glyphDataFormat', type: 'SHORT', value: 0} + ], options); +} + +var head = { parse: parseHeadTable, make: makeHeadTable }; + +// The `hhea` table contains information for horizontal layout. + +// Parse the horizontal header `hhea` table +function parseHheaTable(data, start) { + var hhea = {}; + var p = new parse.Parser(data, start); + hhea.version = p.parseVersion(); + hhea.ascender = p.parseShort(); + hhea.descender = p.parseShort(); + hhea.lineGap = p.parseShort(); + hhea.advanceWidthMax = p.parseUShort(); + hhea.minLeftSideBearing = p.parseShort(); + hhea.minRightSideBearing = p.parseShort(); + hhea.xMaxExtent = p.parseShort(); + hhea.caretSlopeRise = p.parseShort(); + hhea.caretSlopeRun = p.parseShort(); + hhea.caretOffset = p.parseShort(); + p.relativeOffset += 8; + hhea.metricDataFormat = p.parseShort(); + hhea.numberOfHMetrics = p.parseUShort(); + return hhea; +} + +function makeHheaTable(options) { + return new table.Table('hhea', [ + {name: 'version', type: 'FIXED', value: 0x00010000}, + {name: 'ascender', type: 'FWORD', value: 0}, + {name: 'descender', type: 'FWORD', value: 0}, + {name: 'lineGap', type: 'FWORD', value: 0}, + {name: 'advanceWidthMax', type: 'UFWORD', value: 0}, + {name: 'minLeftSideBearing', type: 'FWORD', value: 0}, + {name: 'minRightSideBearing', type: 'FWORD', value: 0}, + {name: 'xMaxExtent', type: 'FWORD', value: 0}, + {name: 'caretSlopeRise', type: 'SHORT', value: 1}, + {name: 'caretSlopeRun', type: 'SHORT', value: 0}, + {name: 'caretOffset', type: 'SHORT', value: 0}, + {name: 'reserved1', type: 'SHORT', value: 0}, + {name: 'reserved2', type: 'SHORT', value: 0}, + {name: 'reserved3', type: 'SHORT', value: 0}, + {name: 'reserved4', type: 'SHORT', value: 0}, + {name: 'metricDataFormat', type: 'SHORT', value: 0}, + {name: 'numberOfHMetrics', type: 'USHORT', value: 0} + ], options); +} + +var hhea = { parse: parseHheaTable, make: makeHheaTable }; + +// The `hmtx` table contains the horizontal metrics for all glyphs. + +function parseHmtxTableAll(data, start, numMetrics, numGlyphs, glyphs) { + var advanceWidth; + var leftSideBearing; + var p = new parse.Parser(data, start); + for (var i = 0; i < numGlyphs; i += 1) { + // If the font is monospaced, only one entry is needed. This last entry applies to all subsequent glyphs. + if (i < numMetrics) { + advanceWidth = p.parseUShort(); + leftSideBearing = p.parseShort(); + } + + var glyph = glyphs.get(i); + glyph.advanceWidth = advanceWidth; + glyph.leftSideBearing = leftSideBearing; + } +} + +function parseHmtxTableOnLowMemory(font, data, start, numMetrics, numGlyphs) { + font._hmtxTableData = {}; + + var advanceWidth; + var leftSideBearing; + var p = new parse.Parser(data, start); + for (var i = 0; i < numGlyphs; i += 1) { + // If the font is monospaced, only one entry is needed. This last entry applies to all subsequent glyphs. + if (i < numMetrics) { + advanceWidth = p.parseUShort(); + leftSideBearing = p.parseShort(); + } + + font._hmtxTableData[i] = { + advanceWidth: advanceWidth, + leftSideBearing: leftSideBearing + }; + } +} + +// Parse the `hmtx` table, which contains the horizontal metrics for all glyphs. +// This function augments the glyph array, adding the advanceWidth and leftSideBearing to each glyph. +function parseHmtxTable(font, data, start, numMetrics, numGlyphs, glyphs, opt) { + if (opt.lowMemory) + { parseHmtxTableOnLowMemory(font, data, start, numMetrics, numGlyphs); } + else + { parseHmtxTableAll(data, start, numMetrics, numGlyphs, glyphs); } +} + +function makeHmtxTable(glyphs) { + var t = new table.Table('hmtx', []); + for (var i = 0; i < glyphs.length; i += 1) { + var glyph = glyphs.get(i); + var advanceWidth = glyph.advanceWidth || 0; + var leftSideBearing = glyph.leftSideBearing || 0; + t.fields.push({name: 'advanceWidth_' + i, type: 'USHORT', value: advanceWidth}); + t.fields.push({name: 'leftSideBearing_' + i, type: 'SHORT', value: leftSideBearing}); + } + + return t; +} + +var hmtx = { parse: parseHmtxTable, make: makeHmtxTable }; + +// The `ltag` table stores IETF BCP-47 language tags. It allows supporting + +function makeLtagTable(tags) { + var result = new table.Table('ltag', [ + {name: 'version', type: 'ULONG', value: 1}, + {name: 'flags', type: 'ULONG', value: 0}, + {name: 'numTags', type: 'ULONG', value: tags.length} + ]); + + var stringPool = ''; + var stringPoolOffset = 12 + tags.length * 4; + for (var i = 0; i < tags.length; ++i) { + var pos = stringPool.indexOf(tags[i]); + if (pos < 0) { + pos = stringPool.length; + stringPool += tags[i]; + } + + result.fields.push({name: 'offset ' + i, type: 'USHORT', value: stringPoolOffset + pos}); + result.fields.push({name: 'length ' + i, type: 'USHORT', value: tags[i].length}); + } + + result.fields.push({name: 'stringPool', type: 'CHARARRAY', value: stringPool}); + return result; +} + +function parseLtagTable(data, start) { + var p = new parse.Parser(data, start); + var tableVersion = p.parseULong(); + check.argument(tableVersion === 1, 'Unsupported ltag table version.'); + // The 'ltag' specification does not define any flags; skip the field. + p.skip('uLong', 1); + var numTags = p.parseULong(); + + var tags = []; + for (var i = 0; i < numTags; i++) { + var tag = ''; + var offset = start + p.parseUShort(); + var length = p.parseUShort(); + for (var j = offset; j < offset + length; ++j) { + tag += String.fromCharCode(data.getInt8(j)); + } + + tags.push(tag); + } + + return tags; +} + +var ltag = { make: makeLtagTable, parse: parseLtagTable }; + +// The `maxp` table establishes the memory requirements for the font. + +// Parse the maximum profile `maxp` table. +function parseMaxpTable(data, start) { + var maxp = {}; + var p = new parse.Parser(data, start); + maxp.version = p.parseVersion(); + maxp.numGlyphs = p.parseUShort(); + if (maxp.version === 1.0) { + maxp.maxPoints = p.parseUShort(); + maxp.maxContours = p.parseUShort(); + maxp.maxCompositePoints = p.parseUShort(); + maxp.maxCompositeContours = p.parseUShort(); + maxp.maxZones = p.parseUShort(); + maxp.maxTwilightPoints = p.parseUShort(); + maxp.maxStorage = p.parseUShort(); + maxp.maxFunctionDefs = p.parseUShort(); + maxp.maxInstructionDefs = p.parseUShort(); + maxp.maxStackElements = p.parseUShort(); + maxp.maxSizeOfInstructions = p.parseUShort(); + maxp.maxComponentElements = p.parseUShort(); + maxp.maxComponentDepth = p.parseUShort(); + } + + return maxp; +} + +function makeMaxpTable(numGlyphs) { + return new table.Table('maxp', [ + {name: 'version', type: 'FIXED', value: 0x00005000}, + {name: 'numGlyphs', type: 'USHORT', value: numGlyphs} + ]); +} + +var maxp = { parse: parseMaxpTable, make: makeMaxpTable }; + +// The `name` naming table. + +// NameIDs for the name table. +var nameTableNames = [ + 'copyright', // 0 + 'fontFamily', // 1 + 'fontSubfamily', // 2 + 'uniqueID', // 3 + 'fullName', // 4 + 'version', // 5 + 'postScriptName', // 6 + 'trademark', // 7 + 'manufacturer', // 8 + 'designer', // 9 + 'description', // 10 + 'manufacturerURL', // 11 + 'designerURL', // 12 + 'license', // 13 + 'licenseURL', // 14 + 'reserved', // 15 + 'preferredFamily', // 16 + 'preferredSubfamily', // 17 + 'compatibleFullName', // 18 + 'sampleText', // 19 + 'postScriptFindFontName', // 20 + 'wwsFamily', // 21 + 'wwsSubfamily' // 22 +]; + +var macLanguages = { + 0: 'en', + 1: 'fr', + 2: 'de', + 3: 'it', + 4: 'nl', + 5: 'sv', + 6: 'es', + 7: 'da', + 8: 'pt', + 9: 'no', + 10: 'he', + 11: 'ja', + 12: 'ar', + 13: 'fi', + 14: 'el', + 15: 'is', + 16: 'mt', + 17: 'tr', + 18: 'hr', + 19: 'zh-Hant', + 20: 'ur', + 21: 'hi', + 22: 'th', + 23: 'ko', + 24: 'lt', + 25: 'pl', + 26: 'hu', + 27: 'es', + 28: 'lv', + 29: 'se', + 30: 'fo', + 31: 'fa', + 32: 'ru', + 33: 'zh', + 34: 'nl-BE', + 35: 'ga', + 36: 'sq', + 37: 'ro', + 38: 'cz', + 39: 'sk', + 40: 'si', + 41: 'yi', + 42: 'sr', + 43: 'mk', + 44: 'bg', + 45: 'uk', + 46: 'be', + 47: 'uz', + 48: 'kk', + 49: 'az-Cyrl', + 50: 'az-Arab', + 51: 'hy', + 52: 'ka', + 53: 'mo', + 54: 'ky', + 55: 'tg', + 56: 'tk', + 57: 'mn-CN', + 58: 'mn', + 59: 'ps', + 60: 'ks', + 61: 'ku', + 62: 'sd', + 63: 'bo', + 64: 'ne', + 65: 'sa', + 66: 'mr', + 67: 'bn', + 68: 'as', + 69: 'gu', + 70: 'pa', + 71: 'or', + 72: 'ml', + 73: 'kn', + 74: 'ta', + 75: 'te', + 76: 'si', + 77: 'my', + 78: 'km', + 79: 'lo', + 80: 'vi', + 81: 'id', + 82: 'tl', + 83: 'ms', + 84: 'ms-Arab', + 85: 'am', + 86: 'ti', + 87: 'om', + 88: 'so', + 89: 'sw', + 90: 'rw', + 91: 'rn', + 92: 'ny', + 93: 'mg', + 94: 'eo', + 128: 'cy', + 129: 'eu', + 130: 'ca', + 131: 'la', + 132: 'qu', + 133: 'gn', + 134: 'ay', + 135: 'tt', + 136: 'ug', + 137: 'dz', + 138: 'jv', + 139: 'su', + 140: 'gl', + 141: 'af', + 142: 'br', + 143: 'iu', + 144: 'gd', + 145: 'gv', + 146: 'ga', + 147: 'to', + 148: 'el-polyton', + 149: 'kl', + 150: 'az', + 151: 'nn' +}; + +// MacOS language ID → MacOS script ID +// +// Note that the script ID is not sufficient to determine what encoding +// to use in TrueType files. For some languages, MacOS used a modification +// of a mainstream script. For example, an Icelandic name would be stored +// with smRoman in the TrueType naming table, but the actual encoding +// is a special Icelandic version of the normal Macintosh Roman encoding. +// As another example, Inuktitut uses an 8-bit encoding for Canadian Aboriginal +// Syllables but MacOS had run out of available script codes, so this was +// done as a (pretty radical) "modification" of Ethiopic. +// +// http://unicode.org/Public/MAPPINGS/VENDORS/APPLE/Readme.txt +var macLanguageToScript = { + 0: 0, // langEnglish → smRoman + 1: 0, // langFrench → smRoman + 2: 0, // langGerman → smRoman + 3: 0, // langItalian → smRoman + 4: 0, // langDutch → smRoman + 5: 0, // langSwedish → smRoman + 6: 0, // langSpanish → smRoman + 7: 0, // langDanish → smRoman + 8: 0, // langPortuguese → smRoman + 9: 0, // langNorwegian → smRoman + 10: 5, // langHebrew → smHebrew + 11: 1, // langJapanese → smJapanese + 12: 4, // langArabic → smArabic + 13: 0, // langFinnish → smRoman + 14: 6, // langGreek → smGreek + 15: 0, // langIcelandic → smRoman (modified) + 16: 0, // langMaltese → smRoman + 17: 0, // langTurkish → smRoman (modified) + 18: 0, // langCroatian → smRoman (modified) + 19: 2, // langTradChinese → smTradChinese + 20: 4, // langUrdu → smArabic + 21: 9, // langHindi → smDevanagari + 22: 21, // langThai → smThai + 23: 3, // langKorean → smKorean + 24: 29, // langLithuanian → smCentralEuroRoman + 25: 29, // langPolish → smCentralEuroRoman + 26: 29, // langHungarian → smCentralEuroRoman + 27: 29, // langEstonian → smCentralEuroRoman + 28: 29, // langLatvian → smCentralEuroRoman + 29: 0, // langSami → smRoman + 30: 0, // langFaroese → smRoman (modified) + 31: 4, // langFarsi → smArabic (modified) + 32: 7, // langRussian → smCyrillic + 33: 25, // langSimpChinese → smSimpChinese + 34: 0, // langFlemish → smRoman + 35: 0, // langIrishGaelic → smRoman (modified) + 36: 0, // langAlbanian → smRoman + 37: 0, // langRomanian → smRoman (modified) + 38: 29, // langCzech → smCentralEuroRoman + 39: 29, // langSlovak → smCentralEuroRoman + 40: 0, // langSlovenian → smRoman (modified) + 41: 5, // langYiddish → smHebrew + 42: 7, // langSerbian → smCyrillic + 43: 7, // langMacedonian → smCyrillic + 44: 7, // langBulgarian → smCyrillic + 45: 7, // langUkrainian → smCyrillic (modified) + 46: 7, // langByelorussian → smCyrillic + 47: 7, // langUzbek → smCyrillic + 48: 7, // langKazakh → smCyrillic + 49: 7, // langAzerbaijani → smCyrillic + 50: 4, // langAzerbaijanAr → smArabic + 51: 24, // langArmenian → smArmenian + 52: 23, // langGeorgian → smGeorgian + 53: 7, // langMoldavian → smCyrillic + 54: 7, // langKirghiz → smCyrillic + 55: 7, // langTajiki → smCyrillic + 56: 7, // langTurkmen → smCyrillic + 57: 27, // langMongolian → smMongolian + 58: 7, // langMongolianCyr → smCyrillic + 59: 4, // langPashto → smArabic + 60: 4, // langKurdish → smArabic + 61: 4, // langKashmiri → smArabic + 62: 4, // langSindhi → smArabic + 63: 26, // langTibetan → smTibetan + 64: 9, // langNepali → smDevanagari + 65: 9, // langSanskrit → smDevanagari + 66: 9, // langMarathi → smDevanagari + 67: 13, // langBengali → smBengali + 68: 13, // langAssamese → smBengali + 69: 11, // langGujarati → smGujarati + 70: 10, // langPunjabi → smGurmukhi + 71: 12, // langOriya → smOriya + 72: 17, // langMalayalam → smMalayalam + 73: 16, // langKannada → smKannada + 74: 14, // langTamil → smTamil + 75: 15, // langTelugu → smTelugu + 76: 18, // langSinhalese → smSinhalese + 77: 19, // langBurmese → smBurmese + 78: 20, // langKhmer → smKhmer + 79: 22, // langLao → smLao + 80: 30, // langVietnamese → smVietnamese + 81: 0, // langIndonesian → smRoman + 82: 0, // langTagalog → smRoman + 83: 0, // langMalayRoman → smRoman + 84: 4, // langMalayArabic → smArabic + 85: 28, // langAmharic → smEthiopic + 86: 28, // langTigrinya → smEthiopic + 87: 28, // langOromo → smEthiopic + 88: 0, // langSomali → smRoman + 89: 0, // langSwahili → smRoman + 90: 0, // langKinyarwanda → smRoman + 91: 0, // langRundi → smRoman + 92: 0, // langNyanja → smRoman + 93: 0, // langMalagasy → smRoman + 94: 0, // langEsperanto → smRoman + 128: 0, // langWelsh → smRoman (modified) + 129: 0, // langBasque → smRoman + 130: 0, // langCatalan → smRoman + 131: 0, // langLatin → smRoman + 132: 0, // langQuechua → smRoman + 133: 0, // langGuarani → smRoman + 134: 0, // langAymara → smRoman + 135: 7, // langTatar → smCyrillic + 136: 4, // langUighur → smArabic + 137: 26, // langDzongkha → smTibetan + 138: 0, // langJavaneseRom → smRoman + 139: 0, // langSundaneseRom → smRoman + 140: 0, // langGalician → smRoman + 141: 0, // langAfrikaans → smRoman + 142: 0, // langBreton → smRoman (modified) + 143: 28, // langInuktitut → smEthiopic (modified) + 144: 0, // langScottishGaelic → smRoman (modified) + 145: 0, // langManxGaelic → smRoman (modified) + 146: 0, // langIrishGaelicScript → smRoman (modified) + 147: 0, // langTongan → smRoman + 148: 6, // langGreekAncient → smRoman + 149: 0, // langGreenlandic → smRoman + 150: 0, // langAzerbaijanRoman → smRoman + 151: 0 // langNynorsk → smRoman +}; + +// While Microsoft indicates a region/country for all its language +// IDs, we omit the region code if it's equal to the "most likely +// region subtag" according to Unicode CLDR. For scripts, we omit +// the subtag if it is equal to the Suppress-Script entry in the +// IANA language subtag registry for IETF BCP 47. +// +// For example, Microsoft states that its language code 0x041A is +// Croatian in Croatia. We transform this to the BCP 47 language code 'hr' +// and not 'hr-HR' because Croatia is the default country for Croatian, +// according to Unicode CLDR. As another example, Microsoft states +// that 0x101A is Croatian (Latin) in Bosnia-Herzegovina. We transform +// this to 'hr-BA' and not 'hr-Latn-BA' because Latin is the default script +// for the Croatian language, according to IANA. +// +// http://www.unicode.org/cldr/charts/latest/supplemental/likely_subtags.html +// http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry +var windowsLanguages = { + 0x0436: 'af', + 0x041C: 'sq', + 0x0484: 'gsw', + 0x045E: 'am', + 0x1401: 'ar-DZ', + 0x3C01: 'ar-BH', + 0x0C01: 'ar', + 0x0801: 'ar-IQ', + 0x2C01: 'ar-JO', + 0x3401: 'ar-KW', + 0x3001: 'ar-LB', + 0x1001: 'ar-LY', + 0x1801: 'ary', + 0x2001: 'ar-OM', + 0x4001: 'ar-QA', + 0x0401: 'ar-SA', + 0x2801: 'ar-SY', + 0x1C01: 'aeb', + 0x3801: 'ar-AE', + 0x2401: 'ar-YE', + 0x042B: 'hy', + 0x044D: 'as', + 0x082C: 'az-Cyrl', + 0x042C: 'az', + 0x046D: 'ba', + 0x042D: 'eu', + 0x0423: 'be', + 0x0845: 'bn', + 0x0445: 'bn-IN', + 0x201A: 'bs-Cyrl', + 0x141A: 'bs', + 0x047E: 'br', + 0x0402: 'bg', + 0x0403: 'ca', + 0x0C04: 'zh-HK', + 0x1404: 'zh-MO', + 0x0804: 'zh', + 0x1004: 'zh-SG', + 0x0404: 'zh-TW', + 0x0483: 'co', + 0x041A: 'hr', + 0x101A: 'hr-BA', + 0x0405: 'cs', + 0x0406: 'da', + 0x048C: 'prs', + 0x0465: 'dv', + 0x0813: 'nl-BE', + 0x0413: 'nl', + 0x0C09: 'en-AU', + 0x2809: 'en-BZ', + 0x1009: 'en-CA', + 0x2409: 'en-029', + 0x4009: 'en-IN', + 0x1809: 'en-IE', + 0x2009: 'en-JM', + 0x4409: 'en-MY', + 0x1409: 'en-NZ', + 0x3409: 'en-PH', + 0x4809: 'en-SG', + 0x1C09: 'en-ZA', + 0x2C09: 'en-TT', + 0x0809: 'en-GB', + 0x0409: 'en', + 0x3009: 'en-ZW', + 0x0425: 'et', + 0x0438: 'fo', + 0x0464: 'fil', + 0x040B: 'fi', + 0x080C: 'fr-BE', + 0x0C0C: 'fr-CA', + 0x040C: 'fr', + 0x140C: 'fr-LU', + 0x180C: 'fr-MC', + 0x100C: 'fr-CH', + 0x0462: 'fy', + 0x0456: 'gl', + 0x0437: 'ka', + 0x0C07: 'de-AT', + 0x0407: 'de', + 0x1407: 'de-LI', + 0x1007: 'de-LU', + 0x0807: 'de-CH', + 0x0408: 'el', + 0x046F: 'kl', + 0x0447: 'gu', + 0x0468: 'ha', + 0x040D: 'he', + 0x0439: 'hi', + 0x040E: 'hu', + 0x040F: 'is', + 0x0470: 'ig', + 0x0421: 'id', + 0x045D: 'iu', + 0x085D: 'iu-Latn', + 0x083C: 'ga', + 0x0434: 'xh', + 0x0435: 'zu', + 0x0410: 'it', + 0x0810: 'it-CH', + 0x0411: 'ja', + 0x044B: 'kn', + 0x043F: 'kk', + 0x0453: 'km', + 0x0486: 'quc', + 0x0487: 'rw', + 0x0441: 'sw', + 0x0457: 'kok', + 0x0412: 'ko', + 0x0440: 'ky', + 0x0454: 'lo', + 0x0426: 'lv', + 0x0427: 'lt', + 0x082E: 'dsb', + 0x046E: 'lb', + 0x042F: 'mk', + 0x083E: 'ms-BN', + 0x043E: 'ms', + 0x044C: 'ml', + 0x043A: 'mt', + 0x0481: 'mi', + 0x047A: 'arn', + 0x044E: 'mr', + 0x047C: 'moh', + 0x0450: 'mn', + 0x0850: 'mn-CN', + 0x0461: 'ne', + 0x0414: 'nb', + 0x0814: 'nn', + 0x0482: 'oc', + 0x0448: 'or', + 0x0463: 'ps', + 0x0415: 'pl', + 0x0416: 'pt', + 0x0816: 'pt-PT', + 0x0446: 'pa', + 0x046B: 'qu-BO', + 0x086B: 'qu-EC', + 0x0C6B: 'qu', + 0x0418: 'ro', + 0x0417: 'rm', + 0x0419: 'ru', + 0x243B: 'smn', + 0x103B: 'smj-NO', + 0x143B: 'smj', + 0x0C3B: 'se-FI', + 0x043B: 'se', + 0x083B: 'se-SE', + 0x203B: 'sms', + 0x183B: 'sma-NO', + 0x1C3B: 'sms', + 0x044F: 'sa', + 0x1C1A: 'sr-Cyrl-BA', + 0x0C1A: 'sr', + 0x181A: 'sr-Latn-BA', + 0x081A: 'sr-Latn', + 0x046C: 'nso', + 0x0432: 'tn', + 0x045B: 'si', + 0x041B: 'sk', + 0x0424: 'sl', + 0x2C0A: 'es-AR', + 0x400A: 'es-BO', + 0x340A: 'es-CL', + 0x240A: 'es-CO', + 0x140A: 'es-CR', + 0x1C0A: 'es-DO', + 0x300A: 'es-EC', + 0x440A: 'es-SV', + 0x100A: 'es-GT', + 0x480A: 'es-HN', + 0x080A: 'es-MX', + 0x4C0A: 'es-NI', + 0x180A: 'es-PA', + 0x3C0A: 'es-PY', + 0x280A: 'es-PE', + 0x500A: 'es-PR', + + // Microsoft has defined two different language codes for + // “Spanish with modern sorting” and “Spanish with traditional + // sorting”. This makes sense for collation APIs, and it would be + // possible to express this in BCP 47 language tags via Unicode + // extensions (eg., es-u-co-trad is Spanish with traditional + // sorting). However, for storing names in fonts, the distinction + // does not make sense, so we give “es” in both cases. + 0x0C0A: 'es', + 0x040A: 'es', + + 0x540A: 'es-US', + 0x380A: 'es-UY', + 0x200A: 'es-VE', + 0x081D: 'sv-FI', + 0x041D: 'sv', + 0x045A: 'syr', + 0x0428: 'tg', + 0x085F: 'tzm', + 0x0449: 'ta', + 0x0444: 'tt', + 0x044A: 'te', + 0x041E: 'th', + 0x0451: 'bo', + 0x041F: 'tr', + 0x0442: 'tk', + 0x0480: 'ug', + 0x0422: 'uk', + 0x042E: 'hsb', + 0x0420: 'ur', + 0x0843: 'uz-Cyrl', + 0x0443: 'uz', + 0x042A: 'vi', + 0x0452: 'cy', + 0x0488: 'wo', + 0x0485: 'sah', + 0x0478: 'ii', + 0x046A: 'yo' +}; + +// Returns a IETF BCP 47 language code, for example 'zh-Hant' +// for 'Chinese in the traditional script'. +function getLanguageCode(platformID, languageID, ltag) { + switch (platformID) { + case 0: // Unicode + if (languageID === 0xFFFF) { + return 'und'; + } else if (ltag) { + return ltag[languageID]; + } + + break; + + case 1: // Macintosh + return macLanguages[languageID]; + + case 3: // Windows + return windowsLanguages[languageID]; + } + + return undefined; +} + +var utf16 = 'utf-16'; + +// MacOS script ID → encoding. This table stores the default case, +// which can be overridden by macLanguageEncodings. +var macScriptEncodings = { + 0: 'macintosh', // smRoman + 1: 'x-mac-japanese', // smJapanese + 2: 'x-mac-chinesetrad', // smTradChinese + 3: 'x-mac-korean', // smKorean + 6: 'x-mac-greek', // smGreek + 7: 'x-mac-cyrillic', // smCyrillic + 9: 'x-mac-devanagai', // smDevanagari + 10: 'x-mac-gurmukhi', // smGurmukhi + 11: 'x-mac-gujarati', // smGujarati + 12: 'x-mac-oriya', // smOriya + 13: 'x-mac-bengali', // smBengali + 14: 'x-mac-tamil', // smTamil + 15: 'x-mac-telugu', // smTelugu + 16: 'x-mac-kannada', // smKannada + 17: 'x-mac-malayalam', // smMalayalam + 18: 'x-mac-sinhalese', // smSinhalese + 19: 'x-mac-burmese', // smBurmese + 20: 'x-mac-khmer', // smKhmer + 21: 'x-mac-thai', // smThai + 22: 'x-mac-lao', // smLao + 23: 'x-mac-georgian', // smGeorgian + 24: 'x-mac-armenian', // smArmenian + 25: 'x-mac-chinesesimp', // smSimpChinese + 26: 'x-mac-tibetan', // smTibetan + 27: 'x-mac-mongolian', // smMongolian + 28: 'x-mac-ethiopic', // smEthiopic + 29: 'x-mac-ce', // smCentralEuroRoman + 30: 'x-mac-vietnamese', // smVietnamese + 31: 'x-mac-extarabic' // smExtArabic +}; + +// MacOS language ID → encoding. This table stores the exceptional +// cases, which override macScriptEncodings. For writing MacOS naming +// tables, we need to emit a MacOS script ID. Therefore, we cannot +// merge macScriptEncodings into macLanguageEncodings. +// +// http://unicode.org/Public/MAPPINGS/VENDORS/APPLE/Readme.txt +var macLanguageEncodings = { + 15: 'x-mac-icelandic', // langIcelandic + 17: 'x-mac-turkish', // langTurkish + 18: 'x-mac-croatian', // langCroatian + 24: 'x-mac-ce', // langLithuanian + 25: 'x-mac-ce', // langPolish + 26: 'x-mac-ce', // langHungarian + 27: 'x-mac-ce', // langEstonian + 28: 'x-mac-ce', // langLatvian + 30: 'x-mac-icelandic', // langFaroese + 37: 'x-mac-romanian', // langRomanian + 38: 'x-mac-ce', // langCzech + 39: 'x-mac-ce', // langSlovak + 40: 'x-mac-ce', // langSlovenian + 143: 'x-mac-inuit', // langInuktitut + 146: 'x-mac-gaelic' // langIrishGaelicScript +}; + +function getEncoding(platformID, encodingID, languageID) { + switch (platformID) { + case 0: // Unicode + return utf16; + + case 1: // Apple Macintosh + return macLanguageEncodings[languageID] || macScriptEncodings[encodingID]; + + case 3: // Microsoft Windows + if (encodingID === 1 || encodingID === 10) { + return utf16; + } + + break; + } + + return undefined; +} + +// Parse the naming `name` table. +// FIXME: Format 1 additional fields are not supported yet. +// ltag is the content of the `ltag' table, such as ['en', 'zh-Hans', 'de-CH-1904']. +function parseNameTable(data, start, ltag) { + var name = {}; + var p = new parse.Parser(data, start); + var format = p.parseUShort(); + var count = p.parseUShort(); + var stringOffset = p.offset + p.parseUShort(); + for (var i = 0; i < count; i++) { + var platformID = p.parseUShort(); + var encodingID = p.parseUShort(); + var languageID = p.parseUShort(); + var nameID = p.parseUShort(); + var property = nameTableNames[nameID] || nameID; + var byteLength = p.parseUShort(); + var offset = p.parseUShort(); + var language = getLanguageCode(platformID, languageID, ltag); + var encoding = getEncoding(platformID, encodingID, languageID); + if (encoding !== undefined && language !== undefined) { + var text = (void 0); + if (encoding === utf16) { + text = decode.UTF16(data, stringOffset + offset, byteLength); + } else { + text = decode.MACSTRING(data, stringOffset + offset, byteLength, encoding); + } + + if (text) { + var translations = name[property]; + if (translations === undefined) { + translations = name[property] = {}; + } + + translations[language] = text; + } + } + } + + var langTagCount = 0; + if (format === 1) { + // FIXME: Also handle Microsoft's 'name' table 1. + langTagCount = p.parseUShort(); + } + + return name; +} + +// {23: 'foo'} → {'foo': 23} +// ['bar', 'baz'] → {'bar': 0, 'baz': 1} +function reverseDict(dict) { + var result = {}; + for (var key in dict) { + result[dict[key]] = parseInt(key); + } + + return result; +} + +function makeNameRecord(platformID, encodingID, languageID, nameID, length, offset) { + return new table.Record('NameRecord', [ + {name: 'platformID', type: 'USHORT', value: platformID}, + {name: 'encodingID', type: 'USHORT', value: encodingID}, + {name: 'languageID', type: 'USHORT', value: languageID}, + {name: 'nameID', type: 'USHORT', value: nameID}, + {name: 'length', type: 'USHORT', value: length}, + {name: 'offset', type: 'USHORT', value: offset} + ]); +} + +// Finds the position of needle in haystack, or -1 if not there. +// Like String.indexOf(), but for arrays. +function findSubArray(needle, haystack) { + var needleLength = needle.length; + var limit = haystack.length - needleLength + 1; + + loop: + for (var pos = 0; pos < limit; pos++) { + for (; pos < limit; pos++) { + for (var k = 0; k < needleLength; k++) { + if (haystack[pos + k] !== needle[k]) { + continue loop; + } + } + + return pos; + } + } + + return -1; +} + +function addStringToPool(s, pool) { + var offset = findSubArray(s, pool); + if (offset < 0) { + offset = pool.length; + var i = 0; + var len = s.length; + for (; i < len; ++i) { + pool.push(s[i]); + } + + } + + return offset; +} + +function makeNameTable(names, ltag) { + var nameID; + var nameIDs = []; + + var namesWithNumericKeys = {}; + var nameTableIds = reverseDict(nameTableNames); + for (var key in names) { + var id = nameTableIds[key]; + if (id === undefined) { + id = key; + } + + nameID = parseInt(id); + + if (isNaN(nameID)) { + throw new Error('Name table entry "' + key + '" does not exist, see nameTableNames for complete list.'); + } + + namesWithNumericKeys[nameID] = names[key]; + nameIDs.push(nameID); + } + + var macLanguageIds = reverseDict(macLanguages); + var windowsLanguageIds = reverseDict(windowsLanguages); + + var nameRecords = []; + var stringPool = []; + + for (var i = 0; i < nameIDs.length; i++) { + nameID = nameIDs[i]; + var translations = namesWithNumericKeys[nameID]; + for (var lang in translations) { + var text = translations[lang]; + + // For MacOS, we try to emit the name in the form that was introduced + // in the initial version of the TrueType spec (in the late 1980s). + // However, this can fail for various reasons: the requested BCP 47 + // language code might not have an old-style Mac equivalent; + // we might not have a codec for the needed character encoding; + // or the name might contain characters that cannot be expressed + // in the old-style Macintosh encoding. In case of failure, we emit + // the name in a more modern fashion (Unicode encoding with BCP 47 + // language tags) that is recognized by MacOS 10.5, released in 2009. + // If fonts were only read by operating systems, we could simply + // emit all names in the modern form; this would be much easier. + // However, there are many applications and libraries that read + // 'name' tables directly, and these will usually only recognize + // the ancient form (silently skipping the unrecognized names). + var macPlatform = 1; // Macintosh + var macLanguage = macLanguageIds[lang]; + var macScript = macLanguageToScript[macLanguage]; + var macEncoding = getEncoding(macPlatform, macScript, macLanguage); + var macName = encode.MACSTRING(text, macEncoding); + if (macName === undefined) { + macPlatform = 0; // Unicode + macLanguage = ltag.indexOf(lang); + if (macLanguage < 0) { + macLanguage = ltag.length; + ltag.push(lang); + } + + macScript = 4; // Unicode 2.0 and later + macName = encode.UTF16(text); + } + + var macNameOffset = addStringToPool(macName, stringPool); + nameRecords.push(makeNameRecord(macPlatform, macScript, macLanguage, + nameID, macName.length, macNameOffset)); + + var winLanguage = windowsLanguageIds[lang]; + if (winLanguage !== undefined) { + var winName = encode.UTF16(text); + var winNameOffset = addStringToPool(winName, stringPool); + nameRecords.push(makeNameRecord(3, 1, winLanguage, + nameID, winName.length, winNameOffset)); + } + } + } + + nameRecords.sort(function(a, b) { + return ((a.platformID - b.platformID) || + (a.encodingID - b.encodingID) || + (a.languageID - b.languageID) || + (a.nameID - b.nameID)); + }); + + var t = new table.Table('name', [ + {name: 'format', type: 'USHORT', value: 0}, + {name: 'count', type: 'USHORT', value: nameRecords.length}, + {name: 'stringOffset', type: 'USHORT', value: 6 + nameRecords.length * 12} + ]); + + for (var r = 0; r < nameRecords.length; r++) { + t.fields.push({name: 'record_' + r, type: 'RECORD', value: nameRecords[r]}); + } + + t.fields.push({name: 'strings', type: 'LITERAL', value: stringPool}); + return t; +} + +var _name = { parse: parseNameTable, make: makeNameTable }; + +// The `OS/2` table contains metrics required in OpenType fonts. + +var unicodeRanges = [ + {begin: 0x0000, end: 0x007F}, // Basic Latin + {begin: 0x0080, end: 0x00FF}, // Latin-1 Supplement + {begin: 0x0100, end: 0x017F}, // Latin Extended-A + {begin: 0x0180, end: 0x024F}, // Latin Extended-B + {begin: 0x0250, end: 0x02AF}, // IPA Extensions + {begin: 0x02B0, end: 0x02FF}, // Spacing Modifier Letters + {begin: 0x0300, end: 0x036F}, // Combining Diacritical Marks + {begin: 0x0370, end: 0x03FF}, // Greek and Coptic + {begin: 0x2C80, end: 0x2CFF}, // Coptic + {begin: 0x0400, end: 0x04FF}, // Cyrillic + {begin: 0x0530, end: 0x058F}, // Armenian + {begin: 0x0590, end: 0x05FF}, // Hebrew + {begin: 0xA500, end: 0xA63F}, // Vai + {begin: 0x0600, end: 0x06FF}, // Arabic + {begin: 0x07C0, end: 0x07FF}, // NKo + {begin: 0x0900, end: 0x097F}, // Devanagari + {begin: 0x0980, end: 0x09FF}, // Bengali + {begin: 0x0A00, end: 0x0A7F}, // Gurmukhi + {begin: 0x0A80, end: 0x0AFF}, // Gujarati + {begin: 0x0B00, end: 0x0B7F}, // Oriya + {begin: 0x0B80, end: 0x0BFF}, // Tamil + {begin: 0x0C00, end: 0x0C7F}, // Telugu + {begin: 0x0C80, end: 0x0CFF}, // Kannada + {begin: 0x0D00, end: 0x0D7F}, // Malayalam + {begin: 0x0E00, end: 0x0E7F}, // Thai + {begin: 0x0E80, end: 0x0EFF}, // Lao + {begin: 0x10A0, end: 0x10FF}, // Georgian + {begin: 0x1B00, end: 0x1B7F}, // Balinese + {begin: 0x1100, end: 0x11FF}, // Hangul Jamo + {begin: 0x1E00, end: 0x1EFF}, // Latin Extended Additional + {begin: 0x1F00, end: 0x1FFF}, // Greek Extended + {begin: 0x2000, end: 0x206F}, // General Punctuation + {begin: 0x2070, end: 0x209F}, // Superscripts And Subscripts + {begin: 0x20A0, end: 0x20CF}, // Currency Symbol + {begin: 0x20D0, end: 0x20FF}, // Combining Diacritical Marks For Symbols + {begin: 0x2100, end: 0x214F}, // Letterlike Symbols + {begin: 0x2150, end: 0x218F}, // Number Forms + {begin: 0x2190, end: 0x21FF}, // Arrows + {begin: 0x2200, end: 0x22FF}, // Mathematical Operators + {begin: 0x2300, end: 0x23FF}, // Miscellaneous Technical + {begin: 0x2400, end: 0x243F}, // Control Pictures + {begin: 0x2440, end: 0x245F}, // Optical Character Recognition + {begin: 0x2460, end: 0x24FF}, // Enclosed Alphanumerics + {begin: 0x2500, end: 0x257F}, // Box Drawing + {begin: 0x2580, end: 0x259F}, // Block Elements + {begin: 0x25A0, end: 0x25FF}, // Geometric Shapes + {begin: 0x2600, end: 0x26FF}, // Miscellaneous Symbols + {begin: 0x2700, end: 0x27BF}, // Dingbats + {begin: 0x3000, end: 0x303F}, // CJK Symbols And Punctuation + {begin: 0x3040, end: 0x309F}, // Hiragana + {begin: 0x30A0, end: 0x30FF}, // Katakana + {begin: 0x3100, end: 0x312F}, // Bopomofo + {begin: 0x3130, end: 0x318F}, // Hangul Compatibility Jamo + {begin: 0xA840, end: 0xA87F}, // Phags-pa + {begin: 0x3200, end: 0x32FF}, // Enclosed CJK Letters And Months + {begin: 0x3300, end: 0x33FF}, // CJK Compatibility + {begin: 0xAC00, end: 0xD7AF}, // Hangul Syllables + {begin: 0xD800, end: 0xDFFF}, // Non-Plane 0 * + {begin: 0x10900, end: 0x1091F}, // Phoenicia + {begin: 0x4E00, end: 0x9FFF}, // CJK Unified Ideographs + {begin: 0xE000, end: 0xF8FF}, // Private Use Area (plane 0) + {begin: 0x31C0, end: 0x31EF}, // CJK Strokes + {begin: 0xFB00, end: 0xFB4F}, // Alphabetic Presentation Forms + {begin: 0xFB50, end: 0xFDFF}, // Arabic Presentation Forms-A + {begin: 0xFE20, end: 0xFE2F}, // Combining Half Marks + {begin: 0xFE10, end: 0xFE1F}, // Vertical Forms + {begin: 0xFE50, end: 0xFE6F}, // Small Form Variants + {begin: 0xFE70, end: 0xFEFF}, // Arabic Presentation Forms-B + {begin: 0xFF00, end: 0xFFEF}, // Halfwidth And Fullwidth Forms + {begin: 0xFFF0, end: 0xFFFF}, // Specials + {begin: 0x0F00, end: 0x0FFF}, // Tibetan + {begin: 0x0700, end: 0x074F}, // Syriac + {begin: 0x0780, end: 0x07BF}, // Thaana + {begin: 0x0D80, end: 0x0DFF}, // Sinhala + {begin: 0x1000, end: 0x109F}, // Myanmar + {begin: 0x1200, end: 0x137F}, // Ethiopic + {begin: 0x13A0, end: 0x13FF}, // Cherokee + {begin: 0x1400, end: 0x167F}, // Unified Canadian Aboriginal Syllabics + {begin: 0x1680, end: 0x169F}, // Ogham + {begin: 0x16A0, end: 0x16FF}, // Runic + {begin: 0x1780, end: 0x17FF}, // Khmer + {begin: 0x1800, end: 0x18AF}, // Mongolian + {begin: 0x2800, end: 0x28FF}, // Braille Patterns + {begin: 0xA000, end: 0xA48F}, // Yi Syllables + {begin: 0x1700, end: 0x171F}, // Tagalog + {begin: 0x10300, end: 0x1032F}, // Old Italic + {begin: 0x10330, end: 0x1034F}, // Gothic + {begin: 0x10400, end: 0x1044F}, // Deseret + {begin: 0x1D000, end: 0x1D0FF}, // Byzantine Musical Symbols + {begin: 0x1D400, end: 0x1D7FF}, // Mathematical Alphanumeric Symbols + {begin: 0xFF000, end: 0xFFFFD}, // Private Use (plane 15) + {begin: 0xFE00, end: 0xFE0F}, // Variation Selectors + {begin: 0xE0000, end: 0xE007F}, // Tags + {begin: 0x1900, end: 0x194F}, // Limbu + {begin: 0x1950, end: 0x197F}, // Tai Le + {begin: 0x1980, end: 0x19DF}, // New Tai Lue + {begin: 0x1A00, end: 0x1A1F}, // Buginese + {begin: 0x2C00, end: 0x2C5F}, // Glagolitic + {begin: 0x2D30, end: 0x2D7F}, // Tifinagh + {begin: 0x4DC0, end: 0x4DFF}, // Yijing Hexagram Symbols + {begin: 0xA800, end: 0xA82F}, // Syloti Nagri + {begin: 0x10000, end: 0x1007F}, // Linear B Syllabary + {begin: 0x10140, end: 0x1018F}, // Ancient Greek Numbers + {begin: 0x10380, end: 0x1039F}, // Ugaritic + {begin: 0x103A0, end: 0x103DF}, // Old Persian + {begin: 0x10450, end: 0x1047F}, // Shavian + {begin: 0x10480, end: 0x104AF}, // Osmanya + {begin: 0x10800, end: 0x1083F}, // Cypriot Syllabary + {begin: 0x10A00, end: 0x10A5F}, // Kharoshthi + {begin: 0x1D300, end: 0x1D35F}, // Tai Xuan Jing Symbols + {begin: 0x12000, end: 0x123FF}, // Cuneiform + {begin: 0x1D360, end: 0x1D37F}, // Counting Rod Numerals + {begin: 0x1B80, end: 0x1BBF}, // Sundanese + {begin: 0x1C00, end: 0x1C4F}, // Lepcha + {begin: 0x1C50, end: 0x1C7F}, // Ol Chiki + {begin: 0xA880, end: 0xA8DF}, // Saurashtra + {begin: 0xA900, end: 0xA92F}, // Kayah Li + {begin: 0xA930, end: 0xA95F}, // Rejang + {begin: 0xAA00, end: 0xAA5F}, // Cham + {begin: 0x10190, end: 0x101CF}, // Ancient Symbols + {begin: 0x101D0, end: 0x101FF}, // Phaistos Disc + {begin: 0x102A0, end: 0x102DF}, // Carian + {begin: 0x1F030, end: 0x1F09F} // Domino Tiles +]; + +function getUnicodeRange(unicode) { + for (var i = 0; i < unicodeRanges.length; i += 1) { + var range = unicodeRanges[i]; + if (unicode >= range.begin && unicode < range.end) { + return i; + } + } + + return -1; +} + +// Parse the OS/2 and Windows metrics `OS/2` table +function parseOS2Table(data, start) { + var os2 = {}; + var p = new parse.Parser(data, start); + os2.version = p.parseUShort(); + os2.xAvgCharWidth = p.parseShort(); + os2.usWeightClass = p.parseUShort(); + os2.usWidthClass = p.parseUShort(); + os2.fsType = p.parseUShort(); + os2.ySubscriptXSize = p.parseShort(); + os2.ySubscriptYSize = p.parseShort(); + os2.ySubscriptXOffset = p.parseShort(); + os2.ySubscriptYOffset = p.parseShort(); + os2.ySuperscriptXSize = p.parseShort(); + os2.ySuperscriptYSize = p.parseShort(); + os2.ySuperscriptXOffset = p.parseShort(); + os2.ySuperscriptYOffset = p.parseShort(); + os2.yStrikeoutSize = p.parseShort(); + os2.yStrikeoutPosition = p.parseShort(); + os2.sFamilyClass = p.parseShort(); + os2.panose = []; + for (var i = 0; i < 10; i++) { + os2.panose[i] = p.parseByte(); + } + + os2.ulUnicodeRange1 = p.parseULong(); + os2.ulUnicodeRange2 = p.parseULong(); + os2.ulUnicodeRange3 = p.parseULong(); + os2.ulUnicodeRange4 = p.parseULong(); + os2.achVendID = String.fromCharCode(p.parseByte(), p.parseByte(), p.parseByte(), p.parseByte()); + os2.fsSelection = p.parseUShort(); + os2.usFirstCharIndex = p.parseUShort(); + os2.usLastCharIndex = p.parseUShort(); + os2.sTypoAscender = p.parseShort(); + os2.sTypoDescender = p.parseShort(); + os2.sTypoLineGap = p.parseShort(); + os2.usWinAscent = p.parseUShort(); + os2.usWinDescent = p.parseUShort(); + if (os2.version >= 1) { + os2.ulCodePageRange1 = p.parseULong(); + os2.ulCodePageRange2 = p.parseULong(); + } + + if (os2.version >= 2) { + os2.sxHeight = p.parseShort(); + os2.sCapHeight = p.parseShort(); + os2.usDefaultChar = p.parseUShort(); + os2.usBreakChar = p.parseUShort(); + os2.usMaxContent = p.parseUShort(); + } + + return os2; +} + +function makeOS2Table(options) { + return new table.Table('OS/2', [ + {name: 'version', type: 'USHORT', value: 0x0003}, + {name: 'xAvgCharWidth', type: 'SHORT', value: 0}, + {name: 'usWeightClass', type: 'USHORT', value: 0}, + {name: 'usWidthClass', type: 'USHORT', value: 0}, + {name: 'fsType', type: 'USHORT', value: 0}, + {name: 'ySubscriptXSize', type: 'SHORT', value: 650}, + {name: 'ySubscriptYSize', type: 'SHORT', value: 699}, + {name: 'ySubscriptXOffset', type: 'SHORT', value: 0}, + {name: 'ySubscriptYOffset', type: 'SHORT', value: 140}, + {name: 'ySuperscriptXSize', type: 'SHORT', value: 650}, + {name: 'ySuperscriptYSize', type: 'SHORT', value: 699}, + {name: 'ySuperscriptXOffset', type: 'SHORT', value: 0}, + {name: 'ySuperscriptYOffset', type: 'SHORT', value: 479}, + {name: 'yStrikeoutSize', type: 'SHORT', value: 49}, + {name: 'yStrikeoutPosition', type: 'SHORT', value: 258}, + {name: 'sFamilyClass', type: 'SHORT', value: 0}, + {name: 'bFamilyType', type: 'BYTE', value: 0}, + {name: 'bSerifStyle', type: 'BYTE', value: 0}, + {name: 'bWeight', type: 'BYTE', value: 0}, + {name: 'bProportion', type: 'BYTE', value: 0}, + {name: 'bContrast', type: 'BYTE', value: 0}, + {name: 'bStrokeVariation', type: 'BYTE', value: 0}, + {name: 'bArmStyle', type: 'BYTE', value: 0}, + {name: 'bLetterform', type: 'BYTE', value: 0}, + {name: 'bMidline', type: 'BYTE', value: 0}, + {name: 'bXHeight', type: 'BYTE', value: 0}, + {name: 'ulUnicodeRange1', type: 'ULONG', value: 0}, + {name: 'ulUnicodeRange2', type: 'ULONG', value: 0}, + {name: 'ulUnicodeRange3', type: 'ULONG', value: 0}, + {name: 'ulUnicodeRange4', type: 'ULONG', value: 0}, + {name: 'achVendID', type: 'CHARARRAY', value: 'XXXX'}, + {name: 'fsSelection', type: 'USHORT', value: 0}, + {name: 'usFirstCharIndex', type: 'USHORT', value: 0}, + {name: 'usLastCharIndex', type: 'USHORT', value: 0}, + {name: 'sTypoAscender', type: 'SHORT', value: 0}, + {name: 'sTypoDescender', type: 'SHORT', value: 0}, + {name: 'sTypoLineGap', type: 'SHORT', value: 0}, + {name: 'usWinAscent', type: 'USHORT', value: 0}, + {name: 'usWinDescent', type: 'USHORT', value: 0}, + {name: 'ulCodePageRange1', type: 'ULONG', value: 0}, + {name: 'ulCodePageRange2', type: 'ULONG', value: 0}, + {name: 'sxHeight', type: 'SHORT', value: 0}, + {name: 'sCapHeight', type: 'SHORT', value: 0}, + {name: 'usDefaultChar', type: 'USHORT', value: 0}, + {name: 'usBreakChar', type: 'USHORT', value: 0}, + {name: 'usMaxContext', type: 'USHORT', value: 0} + ], options); +} + +var os2 = { parse: parseOS2Table, make: makeOS2Table, unicodeRanges: unicodeRanges, getUnicodeRange: getUnicodeRange }; + +// The `post` table stores additional PostScript information, such as glyph names. + +// Parse the PostScript `post` table +function parsePostTable(data, start) { + var post = {}; + var p = new parse.Parser(data, start); + post.version = p.parseVersion(); + post.italicAngle = p.parseFixed(); + post.underlinePosition = p.parseShort(); + post.underlineThickness = p.parseShort(); + post.isFixedPitch = p.parseULong(); + post.minMemType42 = p.parseULong(); + post.maxMemType42 = p.parseULong(); + post.minMemType1 = p.parseULong(); + post.maxMemType1 = p.parseULong(); + switch (post.version) { + case 1: + post.names = standardNames.slice(); + break; + case 2: + post.numberOfGlyphs = p.parseUShort(); + post.glyphNameIndex = new Array(post.numberOfGlyphs); + for (var i = 0; i < post.numberOfGlyphs; i++) { + post.glyphNameIndex[i] = p.parseUShort(); + } + + post.names = []; + for (var i$1 = 0; i$1 < post.numberOfGlyphs; i$1++) { + if (post.glyphNameIndex[i$1] >= standardNames.length) { + var nameLength = p.parseChar(); + post.names.push(p.parseString(nameLength)); + } + } + + break; + case 2.5: + post.numberOfGlyphs = p.parseUShort(); + post.offset = new Array(post.numberOfGlyphs); + for (var i$2 = 0; i$2 < post.numberOfGlyphs; i$2++) { + post.offset[i$2] = p.parseChar(); + } + + break; + } + return post; +} + +function makePostTable() { + return new table.Table('post', [ + {name: 'version', type: 'FIXED', value: 0x00030000}, + {name: 'italicAngle', type: 'FIXED', value: 0}, + {name: 'underlinePosition', type: 'FWORD', value: 0}, + {name: 'underlineThickness', type: 'FWORD', value: 0}, + {name: 'isFixedPitch', type: 'ULONG', value: 0}, + {name: 'minMemType42', type: 'ULONG', value: 0}, + {name: 'maxMemType42', type: 'ULONG', value: 0}, + {name: 'minMemType1', type: 'ULONG', value: 0}, + {name: 'maxMemType1', type: 'ULONG', value: 0} + ]); +} + +var post = { parse: parsePostTable, make: makePostTable }; + +// The `GSUB` table contains ligatures, among other things. + +var subtableParsers = new Array(9); // subtableParsers[0] is unused + +// https://www.microsoft.com/typography/OTSPEC/GSUB.htm#SS +subtableParsers[1] = function parseLookup1() { + var start = this.offset + this.relativeOffset; + var substFormat = this.parseUShort(); + if (substFormat === 1) { + return { + substFormat: 1, + coverage: this.parsePointer(Parser.coverage), + deltaGlyphId: this.parseUShort() + }; + } else if (substFormat === 2) { + return { + substFormat: 2, + coverage: this.parsePointer(Parser.coverage), + substitute: this.parseOffset16List() + }; + } + check.assert(false, '0x' + start.toString(16) + ': lookup type 1 format must be 1 or 2.'); +}; + +// https://www.microsoft.com/typography/OTSPEC/GSUB.htm#MS +subtableParsers[2] = function parseLookup2() { + var substFormat = this.parseUShort(); + check.argument(substFormat === 1, 'GSUB Multiple Substitution Subtable identifier-format must be 1'); + return { + substFormat: substFormat, + coverage: this.parsePointer(Parser.coverage), + sequences: this.parseListOfLists() + }; +}; + +// https://www.microsoft.com/typography/OTSPEC/GSUB.htm#AS +subtableParsers[3] = function parseLookup3() { + var substFormat = this.parseUShort(); + check.argument(substFormat === 1, 'GSUB Alternate Substitution Subtable identifier-format must be 1'); + return { + substFormat: substFormat, + coverage: this.parsePointer(Parser.coverage), + alternateSets: this.parseListOfLists() + }; +}; + +// https://www.microsoft.com/typography/OTSPEC/GSUB.htm#LS +subtableParsers[4] = function parseLookup4() { + var substFormat = this.parseUShort(); + check.argument(substFormat === 1, 'GSUB ligature table identifier-format must be 1'); + return { + substFormat: substFormat, + coverage: this.parsePointer(Parser.coverage), + ligatureSets: this.parseListOfLists(function() { + return { + ligGlyph: this.parseUShort(), + components: this.parseUShortList(this.parseUShort() - 1) + }; + }) + }; +}; + +var lookupRecordDesc = { + sequenceIndex: Parser.uShort, + lookupListIndex: Parser.uShort +}; + +// https://www.microsoft.com/typography/OTSPEC/GSUB.htm#CSF +subtableParsers[5] = function parseLookup5() { + var start = this.offset + this.relativeOffset; + var substFormat = this.parseUShort(); + + if (substFormat === 1) { + return { + substFormat: substFormat, + coverage: this.parsePointer(Parser.coverage), + ruleSets: this.parseListOfLists(function() { + var glyphCount = this.parseUShort(); + var substCount = this.parseUShort(); + return { + input: this.parseUShortList(glyphCount - 1), + lookupRecords: this.parseRecordList(substCount, lookupRecordDesc) + }; + }) + }; + } else if (substFormat === 2) { + return { + substFormat: substFormat, + coverage: this.parsePointer(Parser.coverage), + classDef: this.parsePointer(Parser.classDef), + classSets: this.parseListOfLists(function() { + var glyphCount = this.parseUShort(); + var substCount = this.parseUShort(); + return { + classes: this.parseUShortList(glyphCount - 1), + lookupRecords: this.parseRecordList(substCount, lookupRecordDesc) + }; + }) + }; + } else if (substFormat === 3) { + var glyphCount = this.parseUShort(); + var substCount = this.parseUShort(); + return { + substFormat: substFormat, + coverages: this.parseList(glyphCount, Parser.pointer(Parser.coverage)), + lookupRecords: this.parseRecordList(substCount, lookupRecordDesc) + }; + } + check.assert(false, '0x' + start.toString(16) + ': lookup type 5 format must be 1, 2 or 3.'); +}; + +// https://www.microsoft.com/typography/OTSPEC/GSUB.htm#CC +subtableParsers[6] = function parseLookup6() { + var start = this.offset + this.relativeOffset; + var substFormat = this.parseUShort(); + if (substFormat === 1) { + return { + substFormat: 1, + coverage: this.parsePointer(Parser.coverage), + chainRuleSets: this.parseListOfLists(function() { + return { + backtrack: this.parseUShortList(), + input: this.parseUShortList(this.parseShort() - 1), + lookahead: this.parseUShortList(), + lookupRecords: this.parseRecordList(lookupRecordDesc) + }; + }) + }; + } else if (substFormat === 2) { + return { + substFormat: 2, + coverage: this.parsePointer(Parser.coverage), + backtrackClassDef: this.parsePointer(Parser.classDef), + inputClassDef: this.parsePointer(Parser.classDef), + lookaheadClassDef: this.parsePointer(Parser.classDef), + chainClassSet: this.parseListOfLists(function() { + return { + backtrack: this.parseUShortList(), + input: this.parseUShortList(this.parseShort() - 1), + lookahead: this.parseUShortList(), + lookupRecords: this.parseRecordList(lookupRecordDesc) + }; + }) + }; + } else if (substFormat === 3) { + return { + substFormat: 3, + backtrackCoverage: this.parseList(Parser.pointer(Parser.coverage)), + inputCoverage: this.parseList(Parser.pointer(Parser.coverage)), + lookaheadCoverage: this.parseList(Parser.pointer(Parser.coverage)), + lookupRecords: this.parseRecordList(lookupRecordDesc) + }; + } + check.assert(false, '0x' + start.toString(16) + ': lookup type 6 format must be 1, 2 or 3.'); +}; + +// https://www.microsoft.com/typography/OTSPEC/GSUB.htm#ES +subtableParsers[7] = function parseLookup7() { + // Extension Substitution subtable + var substFormat = this.parseUShort(); + check.argument(substFormat === 1, 'GSUB Extension Substitution subtable identifier-format must be 1'); + var extensionLookupType = this.parseUShort(); + var extensionParser = new Parser(this.data, this.offset + this.parseULong()); + return { + substFormat: 1, + lookupType: extensionLookupType, + extension: subtableParsers[extensionLookupType].call(extensionParser) + }; +}; + +// https://www.microsoft.com/typography/OTSPEC/GSUB.htm#RCCS +subtableParsers[8] = function parseLookup8() { + var substFormat = this.parseUShort(); + check.argument(substFormat === 1, 'GSUB Reverse Chaining Contextual Single Substitution Subtable identifier-format must be 1'); + return { + substFormat: substFormat, + coverage: this.parsePointer(Parser.coverage), + backtrackCoverage: this.parseList(Parser.pointer(Parser.coverage)), + lookaheadCoverage: this.parseList(Parser.pointer(Parser.coverage)), + substitutes: this.parseUShortList() + }; +}; + +// https://www.microsoft.com/typography/OTSPEC/gsub.htm +function parseGsubTable(data, start) { + start = start || 0; + var p = new Parser(data, start); + var tableVersion = p.parseVersion(1); + check.argument(tableVersion === 1 || tableVersion === 1.1, 'Unsupported GSUB table version.'); + if (tableVersion === 1) { + return { + version: tableVersion, + scripts: p.parseScriptList(), + features: p.parseFeatureList(), + lookups: p.parseLookupList(subtableParsers) + }; + } else { + return { + version: tableVersion, + scripts: p.parseScriptList(), + features: p.parseFeatureList(), + lookups: p.parseLookupList(subtableParsers), + variations: p.parseFeatureVariationsList() + }; + } + +} + +// GSUB Writing ////////////////////////////////////////////// +var subtableMakers = new Array(9); + +subtableMakers[1] = function makeLookup1(subtable) { + if (subtable.substFormat === 1) { + return new table.Table('substitutionTable', [ + {name: 'substFormat', type: 'USHORT', value: 1}, + {name: 'coverage', type: 'TABLE', value: new table.Coverage(subtable.coverage)}, + {name: 'deltaGlyphID', type: 'USHORT', value: subtable.deltaGlyphId} + ]); + } else { + return new table.Table('substitutionTable', [ + {name: 'substFormat', type: 'USHORT', value: 2}, + {name: 'coverage', type: 'TABLE', value: new table.Coverage(subtable.coverage)} + ].concat(table.ushortList('substitute', subtable.substitute))); + } +}; + +subtableMakers[2] = function makeLookup2(subtable) { + check.assert(subtable.substFormat === 1, 'Lookup type 2 substFormat must be 1.'); + return new table.Table('substitutionTable', [ + {name: 'substFormat', type: 'USHORT', value: 1}, + {name: 'coverage', type: 'TABLE', value: new table.Coverage(subtable.coverage)} + ].concat(table.tableList('seqSet', subtable.sequences, function(sequenceSet) { + return new table.Table('sequenceSetTable', table.ushortList('sequence', sequenceSet)); + }))); +}; + +subtableMakers[3] = function makeLookup3(subtable) { + check.assert(subtable.substFormat === 1, 'Lookup type 3 substFormat must be 1.'); + return new table.Table('substitutionTable', [ + {name: 'substFormat', type: 'USHORT', value: 1}, + {name: 'coverage', type: 'TABLE', value: new table.Coverage(subtable.coverage)} + ].concat(table.tableList('altSet', subtable.alternateSets, function(alternateSet) { + return new table.Table('alternateSetTable', table.ushortList('alternate', alternateSet)); + }))); +}; + +subtableMakers[4] = function makeLookup4(subtable) { + check.assert(subtable.substFormat === 1, 'Lookup type 4 substFormat must be 1.'); + return new table.Table('substitutionTable', [ + {name: 'substFormat', type: 'USHORT', value: 1}, + {name: 'coverage', type: 'TABLE', value: new table.Coverage(subtable.coverage)} + ].concat(table.tableList('ligSet', subtable.ligatureSets, function(ligatureSet) { + return new table.Table('ligatureSetTable', table.tableList('ligature', ligatureSet, function(ligature) { + return new table.Table('ligatureTable', + [{name: 'ligGlyph', type: 'USHORT', value: ligature.ligGlyph}] + .concat(table.ushortList('component', ligature.components, ligature.components.length + 1)) + ); + })); + }))); +}; + +subtableMakers[6] = function makeLookup6(subtable) { + if (subtable.substFormat === 1) { + var returnTable = new table.Table('chainContextTable', [ + {name: 'substFormat', type: 'USHORT', value: subtable.substFormat}, + {name: 'coverage', type: 'TABLE', value: new table.Coverage(subtable.coverage)} + ].concat(table.tableList('chainRuleSet', subtable.chainRuleSets, function(chainRuleSet) { + return new table.Table('chainRuleSetTable', table.tableList('chainRule', chainRuleSet, function(chainRule) { + var tableData = table.ushortList('backtrackGlyph', chainRule.backtrack, chainRule.backtrack.length) + .concat(table.ushortList('inputGlyph', chainRule.input, chainRule.input.length + 1)) + .concat(table.ushortList('lookaheadGlyph', chainRule.lookahead, chainRule.lookahead.length)) + .concat(table.ushortList('substitution', [], chainRule.lookupRecords.length)); + + chainRule.lookupRecords.forEach(function (record, i) { + tableData = tableData + .concat({name: 'sequenceIndex' + i, type: 'USHORT', value: record.sequenceIndex}) + .concat({name: 'lookupListIndex' + i, type: 'USHORT', value: record.lookupListIndex}); + }); + return new table.Table('chainRuleTable', tableData); + })); + }))); + return returnTable; + } else if (subtable.substFormat === 2) { + check.assert(false, 'lookup type 6 format 2 is not yet supported.'); + } else if (subtable.substFormat === 3) { + var tableData = [ + {name: 'substFormat', type: 'USHORT', value: subtable.substFormat} ]; + + tableData.push({name: 'backtrackGlyphCount', type: 'USHORT', value: subtable.backtrackCoverage.length}); + subtable.backtrackCoverage.forEach(function (coverage, i) { + tableData.push({name: 'backtrackCoverage' + i, type: 'TABLE', value: new table.Coverage(coverage)}); + }); + tableData.push({name: 'inputGlyphCount', type: 'USHORT', value: subtable.inputCoverage.length}); + subtable.inputCoverage.forEach(function (coverage, i) { + tableData.push({name: 'inputCoverage' + i, type: 'TABLE', value: new table.Coverage(coverage)}); + }); + tableData.push({name: 'lookaheadGlyphCount', type: 'USHORT', value: subtable.lookaheadCoverage.length}); + subtable.lookaheadCoverage.forEach(function (coverage, i) { + tableData.push({name: 'lookaheadCoverage' + i, type: 'TABLE', value: new table.Coverage(coverage)}); + }); + + tableData.push({name: 'substitutionCount', type: 'USHORT', value: subtable.lookupRecords.length}); + subtable.lookupRecords.forEach(function (record, i) { + tableData = tableData + .concat({name: 'sequenceIndex' + i, type: 'USHORT', value: record.sequenceIndex}) + .concat({name: 'lookupListIndex' + i, type: 'USHORT', value: record.lookupListIndex}); + }); + + var returnTable$1 = new table.Table('chainContextTable', tableData); + + return returnTable$1; + } + + check.assert(false, 'lookup type 6 format must be 1, 2 or 3.'); +}; + +function makeGsubTable(gsub) { + return new table.Table('GSUB', [ + {name: 'version', type: 'ULONG', value: 0x10000}, + {name: 'scripts', type: 'TABLE', value: new table.ScriptList(gsub.scripts)}, + {name: 'features', type: 'TABLE', value: new table.FeatureList(gsub.features)}, + {name: 'lookups', type: 'TABLE', value: new table.LookupList(gsub.lookups, subtableMakers)} + ]); +} + +var gsub = { parse: parseGsubTable, make: makeGsubTable }; + +// The `GPOS` table contains kerning pairs, among other things. + +// Parse the metadata `meta` table. +// https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6meta.html +function parseMetaTable(data, start) { + var p = new parse.Parser(data, start); + var tableVersion = p.parseULong(); + check.argument(tableVersion === 1, 'Unsupported META table version.'); + p.parseULong(); // flags - currently unused and set to 0 + p.parseULong(); // tableOffset + var numDataMaps = p.parseULong(); + + var tags = {}; + for (var i = 0; i < numDataMaps; i++) { + var tag = p.parseTag(); + var dataOffset = p.parseULong(); + var dataLength = p.parseULong(); + var text = decode.UTF8(data, start + dataOffset, dataLength); + + tags[tag] = text; + } + return tags; +} + +function makeMetaTable(tags) { + var numTags = Object.keys(tags).length; + var stringPool = ''; + var stringPoolOffset = 16 + numTags * 12; + + var result = new table.Table('meta', [ + {name: 'version', type: 'ULONG', value: 1}, + {name: 'flags', type: 'ULONG', value: 0}, + {name: 'offset', type: 'ULONG', value: stringPoolOffset}, + {name: 'numTags', type: 'ULONG', value: numTags} + ]); + + for (var tag in tags) { + var pos = stringPool.length; + stringPool += tags[tag]; + + result.fields.push({name: 'tag ' + tag, type: 'TAG', value: tag}); + result.fields.push({name: 'offset ' + tag, type: 'ULONG', value: stringPoolOffset + pos}); + result.fields.push({name: 'length ' + tag, type: 'ULONG', value: tags[tag].length}); + } + + result.fields.push({name: 'stringPool', type: 'CHARARRAY', value: stringPool}); + + return result; +} + +var meta = { parse: parseMetaTable, make: makeMetaTable }; + +// The `COLR` table adds support for multi-colored glyphs + +function parseColrTable(data, start) { + var p = new Parser(data, start); + var version = p.parseUShort(); + check.argument(version === 0x0000, 'Only COLRv0 supported.'); + var numBaseGlyphRecords = p.parseUShort(); + var baseGlyphRecordsOffset = p.parseOffset32(); + var layerRecordsOffset = p.parseOffset32(); + var numLayerRecords = p.parseUShort(); + p.relativeOffset = baseGlyphRecordsOffset; + var baseGlyphRecords = p.parseRecordList(numBaseGlyphRecords, { + glyphID: Parser.uShort, + firstLayerIndex: Parser.uShort, + numLayers: Parser.uShort, + }); + p.relativeOffset = layerRecordsOffset; + var layerRecords = p.parseRecordList(numLayerRecords, { + glyphID: Parser.uShort, + paletteIndex: Parser.uShort + }); + + return { + version: version, + baseGlyphRecords: baseGlyphRecords, + layerRecords: layerRecords, + }; +} + +function makeColrTable(ref) { + var version = ref.version; if ( version === void 0 ) version = 0x0000; + var baseGlyphRecords = ref.baseGlyphRecords; if ( baseGlyphRecords === void 0 ) baseGlyphRecords = []; + var layerRecords = ref.layerRecords; if ( layerRecords === void 0 ) layerRecords = []; + + check.argument(version === 0x0000, 'Only COLRv0 supported.'); + var baseGlyphRecordsOffset = 14; + var layerRecordsOffset = baseGlyphRecordsOffset + (baseGlyphRecords.length * 6); + return new table.Table('COLR', [ + { name: 'version', type: 'USHORT', value: version }, + { name: 'numBaseGlyphRecords', type: 'USHORT', value: baseGlyphRecords.length }, + { name: 'baseGlyphRecordsOffset', type: 'ULONG', value: baseGlyphRecordsOffset }, + { name: 'layerRecordsOffset', type: 'ULONG', value: layerRecordsOffset }, + { name: 'numLayerRecords', type: 'USHORT', value: layerRecords.length } ].concat( baseGlyphRecords.map(function (glyph, i) { return [ + { name: 'glyphID_' + i, type: 'USHORT', value: glyph.glyphID }, + { name: 'firstLayerIndex_' + i, type: 'USHORT', value: glyph.firstLayerIndex }, + { name: 'numLayers_' + i, type: 'USHORT', value: glyph.numLayers } ]; }).flat(), + layerRecords.map(function (layer, i) { return [ + { name: 'LayerGlyphID_' + i, type: 'USHORT', value: layer.glyphID }, + { name: 'paletteIndex_' + i, type: 'USHORT', value: layer.paletteIndex } ]; }).flat() )); +} + +var colr = { parse: parseColrTable, make: makeColrTable }; + +// The `CPAL` define a contiguous list of colors (colorRecords) + +// Parse the header `head` table +function parseCpalTable(data, start) { + var p = new Parser(data, start); + var version = p.parseShort(); + var numPaletteEntries = p.parseShort(); + var numPalettes = p.parseShort(); + var numColorRecords = p.parseShort(); + var colorRecordsArrayOffset = p.parseOffset32(); + var colorRecordIndices = p.parseUShortList(numPalettes); + p.relativeOffset = colorRecordsArrayOffset; + var colorRecords = p.parseULongList(numColorRecords); + return { + version: version, + numPaletteEntries: numPaletteEntries, + colorRecords: colorRecords, + colorRecordIndices: colorRecordIndices, + }; +} + +function makeCpalTable(ref) { + var version = ref.version; if ( version === void 0 ) version = 0; + var numPaletteEntries = ref.numPaletteEntries; if ( numPaletteEntries === void 0 ) numPaletteEntries = 0; + var colorRecords = ref.colorRecords; if ( colorRecords === void 0 ) colorRecords = []; + var colorRecordIndices = ref.colorRecordIndices; if ( colorRecordIndices === void 0 ) colorRecordIndices = [0]; + + check.argument(version === 0, 'Only CPALv0 are supported.'); + check.argument(colorRecords.length, 'No colorRecords given.'); + check.argument(colorRecordIndices.length, 'No colorRecordIndices given.'); + check.argument(!numPaletteEntries && colorRecordIndices.length == 1, 'Can\'t infer numPaletteEntries on multiple colorRecordIndices'); + return new table.Table('CPAL', [ + { name: 'version', type: 'USHORT', value: version }, + { name: 'numPaletteEntries', type: 'USHORT', value: numPaletteEntries || colorRecords.length }, + { name: 'numPalettes', type: 'USHORT', value: colorRecordIndices.length }, + { name: 'numColorRecords', type: 'USHORT', value: colorRecords.length }, + { name: 'colorRecordsArrayOffset', type: 'ULONG', value: 12 + 2 * colorRecordIndices.length } ].concat( colorRecordIndices.map(function (palette, i) { return ({ name: 'colorRecordIndices_' + i, type: 'USHORT', value: palette }); }), + colorRecords.map(function (color, i) { return ({ name: 'colorRecords_' + i, type: 'ULONG', value: color }); }) )); +} + +var cpal = { parse: parseCpalTable, make: makeCpalTable }; + +// The `sfnt` wrapper provides organization for the tables in the font. + +function log2(v) { + return Math.log(v) / Math.log(2) | 0; +} + +function computeCheckSum(bytes) { + while (bytes.length % 4 !== 0) { + bytes.push(0); + } + + var sum = 0; + for (var i = 0; i < bytes.length; i += 4) { + sum += (bytes[i] << 24) + + (bytes[i + 1] << 16) + + (bytes[i + 2] << 8) + + (bytes[i + 3]); + } + + sum %= Math.pow(2, 32); + return sum; +} + +function makeTableRecord(tag, checkSum, offset, length) { + return new table.Record('Table Record', [ + {name: 'tag', type: 'TAG', value: tag !== undefined ? tag : ''}, + {name: 'checkSum', type: 'ULONG', value: checkSum !== undefined ? checkSum : 0}, + {name: 'offset', type: 'ULONG', value: offset !== undefined ? offset : 0}, + {name: 'length', type: 'ULONG', value: length !== undefined ? length : 0} + ]); +} + +function makeSfntTable(tables) { + var sfnt = new table.Table('sfnt', [ + {name: 'version', type: 'TAG', value: 'OTTO'}, + {name: 'numTables', type: 'USHORT', value: 0}, + {name: 'searchRange', type: 'USHORT', value: 0}, + {name: 'entrySelector', type: 'USHORT', value: 0}, + {name: 'rangeShift', type: 'USHORT', value: 0} + ]); + sfnt.tables = tables; + sfnt.numTables = tables.length; + var highestPowerOf2 = Math.pow(2, log2(sfnt.numTables)); + sfnt.searchRange = 16 * highestPowerOf2; + sfnt.entrySelector = log2(highestPowerOf2); + sfnt.rangeShift = sfnt.numTables * 16 - sfnt.searchRange; + + var recordFields = []; + var tableFields = []; + + var offset = sfnt.sizeOf() + (makeTableRecord().sizeOf() * sfnt.numTables); + while (offset % 4 !== 0) { + offset += 1; + tableFields.push({name: 'padding', type: 'BYTE', value: 0}); + } + + for (var i = 0; i < tables.length; i += 1) { + var t = tables[i]; + check.argument(t.tableName.length === 4, 'Table name' + t.tableName + ' is invalid.'); + var tableLength = t.sizeOf(); + var tableRecord = makeTableRecord(t.tableName, computeCheckSum(t.encode()), offset, tableLength); + recordFields.push({name: tableRecord.tag + ' Table Record', type: 'RECORD', value: tableRecord}); + tableFields.push({name: t.tableName + ' table', type: 'RECORD', value: t}); + offset += tableLength; + check.argument(!isNaN(offset), 'Something went wrong calculating the offset.'); + while (offset % 4 !== 0) { + offset += 1; + tableFields.push({name: 'padding', type: 'BYTE', value: 0}); + } + } + + // Table records need to be sorted alphabetically. + recordFields.sort(function(r1, r2) { + if (r1.value.tag > r2.value.tag) { + return 1; + } else { + return -1; + } + }); + + sfnt.fields = sfnt.fields.concat(recordFields); + sfnt.fields = sfnt.fields.concat(tableFields); + return sfnt; +} + +// Get the metrics for a character. If the string has more than one character +// this function returns metrics for the first available character. +// You can provide optional fallback metrics if no characters are available. +function metricsForChar(font, chars, notFoundMetrics) { + for (var i = 0; i < chars.length; i += 1) { + var glyphIndex = font.charToGlyphIndex(chars[i]); + if (glyphIndex > 0) { + var glyph = font.glyphs.get(glyphIndex); + return glyph.getMetrics(); + } + } + + return notFoundMetrics; +} + +function average(vs) { + var sum = 0; + for (var i = 0; i < vs.length; i += 1) { + sum += vs[i]; + } + + return sum / vs.length; +} + +// Convert the font object to a SFNT data structure. +// This structure contains all the necessary tables and metadata to create a binary OTF file. +function fontToSfntTable(font) { + var xMins = []; + var yMins = []; + var xMaxs = []; + var yMaxs = []; + var advanceWidths = []; + var leftSideBearings = []; + var rightSideBearings = []; + var firstCharIndex; + var lastCharIndex = 0; + var ulUnicodeRange1 = 0; + var ulUnicodeRange2 = 0; + var ulUnicodeRange3 = 0; + var ulUnicodeRange4 = 0; + + for (var i = 0; i < font.glyphs.length; i += 1) { + var glyph = font.glyphs.get(i); + var unicode = glyph.unicode | 0; + + if (isNaN(glyph.advanceWidth)) { + throw new Error('Glyph ' + glyph.name + ' (' + i + '): advanceWidth is not a number.'); + } + + if (firstCharIndex > unicode || firstCharIndex === undefined) { + // ignore .notdef char + if (unicode > 0) { + firstCharIndex = unicode; + } + } + + if (lastCharIndex < unicode) { + lastCharIndex = unicode; + } + + var position = os2.getUnicodeRange(unicode); + if (position < 32) { + ulUnicodeRange1 |= 1 << position; + } else if (position < 64) { + ulUnicodeRange2 |= 1 << position - 32; + } else if (position < 96) { + ulUnicodeRange3 |= 1 << position - 64; + } else if (position < 123) { + ulUnicodeRange4 |= 1 << position - 96; + } else { + throw new Error('Unicode ranges bits > 123 are reserved for internal usage'); + } + // Skip non-important characters. + if (glyph.name === '.notdef') { continue; } + var metrics = glyph.getMetrics(); + xMins.push(metrics.xMin); + yMins.push(metrics.yMin); + xMaxs.push(metrics.xMax); + yMaxs.push(metrics.yMax); + leftSideBearings.push(metrics.leftSideBearing); + rightSideBearings.push(metrics.rightSideBearing); + advanceWidths.push(glyph.advanceWidth); + } + + var globals = { + xMin: Math.min.apply(null, xMins), + yMin: Math.min.apply(null, yMins), + xMax: Math.max.apply(null, xMaxs), + yMax: Math.max.apply(null, yMaxs), + advanceWidthMax: Math.max.apply(null, advanceWidths), + advanceWidthAvg: average(advanceWidths), + minLeftSideBearing: Math.min.apply(null, leftSideBearings), + maxLeftSideBearing: Math.max.apply(null, leftSideBearings), + minRightSideBearing: Math.min.apply(null, rightSideBearings) + }; + globals.ascender = font.ascender; + globals.descender = font.descender; + + var headTable = head.make({ + flags: 3, // 00000011 (baseline for font at y=0; left sidebearing point at x=0) + unitsPerEm: font.unitsPerEm, + xMin: globals.xMin, + yMin: globals.yMin, + xMax: globals.xMax, + yMax: globals.yMax, + lowestRecPPEM: 3, + createdTimestamp: font.createdTimestamp + }); + + var hheaTable = hhea.make({ + ascender: globals.ascender, + descender: globals.descender, + advanceWidthMax: globals.advanceWidthMax, + minLeftSideBearing: globals.minLeftSideBearing, + minRightSideBearing: globals.minRightSideBearing, + xMaxExtent: globals.maxLeftSideBearing + (globals.xMax - globals.xMin), + numberOfHMetrics: font.glyphs.length + }); + + var maxpTable = maxp.make(font.glyphs.length); + + var os2Table = os2.make(Object.assign({ + xAvgCharWidth: Math.round(globals.advanceWidthAvg), + usFirstCharIndex: firstCharIndex, + usLastCharIndex: lastCharIndex, + ulUnicodeRange1: ulUnicodeRange1, + ulUnicodeRange2: ulUnicodeRange2, + ulUnicodeRange3: ulUnicodeRange3, + ulUnicodeRange4: ulUnicodeRange4, + // See http://typophile.com/node/13081 for more info on vertical metrics. + // We get metrics for typical characters (such as "x" for xHeight). + // We provide some fallback characters if characters are unavailable: their + // ordering was chosen experimentally. + sTypoAscender: globals.ascender, + sTypoDescender: globals.descender, + sTypoLineGap: 0, + usWinAscent: globals.yMax, + usWinDescent: Math.abs(globals.yMin), + ulCodePageRange1: 1, // FIXME: hard-code Latin 1 support for now + sxHeight: metricsForChar(font, 'xyvw', {yMax: Math.round(globals.ascender / 2)}).yMax, + sCapHeight: metricsForChar(font, 'HIKLEFJMNTZBDPRAGOQSUVWXY', globals).yMax, + usDefaultChar: font.hasChar(' ') ? 32 : 0, // Use space as the default character, if available. + usBreakChar: font.hasChar(' ') ? 32 : 0, // Use space as the break character, if available. + }, font.tables.os2)); + + var hmtxTable = hmtx.make(font.glyphs); + var cmapTable = cmap.make(font.glyphs); + + var englishFamilyName = font.getEnglishName('fontFamily'); + var englishStyleName = font.getEnglishName('fontSubfamily'); + var englishFullName = englishFamilyName + ' ' + englishStyleName; + var postScriptName = font.getEnglishName('postScriptName'); + if (!postScriptName) { + postScriptName = englishFamilyName.replace(/\s/g, '') + '-' + englishStyleName; + } + + var names = {}; + for (var n in font.names) { + names[n] = font.names[n]; + } + + if (!names.uniqueID) { + names.uniqueID = {en: font.getEnglishName('manufacturer') + ':' + englishFullName}; + } + + if (!names.postScriptName) { + names.postScriptName = {en: postScriptName}; + } + + if (!names.preferredFamily) { + names.preferredFamily = font.names.fontFamily; + } + + if (!names.preferredSubfamily) { + names.preferredSubfamily = font.names.fontSubfamily; + } + + var languageTags = []; + var nameTable = _name.make(names, languageTags); + var ltagTable = (languageTags.length > 0 ? ltag.make(languageTags) : undefined); + + var postTable = post.make(); + var cffTable = cff.make(font.glyphs, { + version: font.getEnglishName('version'), + fullName: englishFullName, + familyName: englishFamilyName, + weightName: englishStyleName, + postScriptName: postScriptName, + unitsPerEm: font.unitsPerEm, + fontBBox: [0, globals.yMin, globals.ascender, globals.advanceWidthMax] + }); + + var metaTable = (font.metas && Object.keys(font.metas).length > 0) ? meta.make(font.metas) : undefined; + + // The order does not matter because makeSfntTable() will sort them. + var tables = [headTable, hheaTable, maxpTable, os2Table, nameTable, cmapTable, postTable, cffTable, hmtxTable]; + if (ltagTable) { + tables.push(ltagTable); + } + // Optional tables + if (font.tables.gsub) { + tables.push(gsub.make(font.tables.gsub)); + } + if (font.tables.cpal) { + tables.push(cpal.make(font.tables.cpal)); + } + if (font.tables.colr) { + tables.push(colr.make(font.tables.colr)); + } + if (metaTable) { + tables.push(metaTable); + } + + var sfntTable = makeSfntTable(tables); + + // Compute the font's checkSum and store it in head.checkSumAdjustment. + var bytes = sfntTable.encode(); + var checkSum = computeCheckSum(bytes); + var tableFields = sfntTable.fields; + var checkSumAdjusted = false; + for (var i$1 = 0; i$1 < tableFields.length; i$1 += 1) { + if (tableFields[i$1].name === 'head table') { + tableFields[i$1].value.checkSumAdjustment = 0xB1B0AFBA - checkSum; + checkSumAdjusted = true; + break; + } + } + + if (!checkSumAdjusted) { + throw new Error('Could not find head table with checkSum to adjust.'); + } + + return sfntTable; +} + +var sfnt = { make: makeSfntTable, fontToTable: fontToSfntTable, computeCheckSum: computeCheckSum }; + +// The Layout object is the prototype of Substitution objects, and provides + +function searchTag(arr, tag) { + /* jshint bitwise: false */ + var imin = 0; + var imax = arr.length - 1; + while (imin <= imax) { + var imid = (imin + imax) >>> 1; + var val = arr[imid].tag; + if (val === tag) { + return imid; + } else if (val < tag) { + imin = imid + 1; + } else { imax = imid - 1; } + } + // Not found: return -1-insertion point + return -imin - 1; +} + +function binSearch(arr, value) { + /* jshint bitwise: false */ + var imin = 0; + var imax = arr.length - 1; + while (imin <= imax) { + var imid = (imin + imax) >>> 1; + var val = arr[imid]; + if (val === value) { + return imid; + } else if (val < value) { + imin = imid + 1; + } else { imax = imid - 1; } + } + // Not found: return -1-insertion point + return -imin - 1; +} + +// binary search in a list of ranges (coverage, class definition) +function searchRange(ranges, value) { + // jshint bitwise: false + var range; + var imin = 0; + var imax = ranges.length - 1; + while (imin <= imax) { + var imid = (imin + imax) >>> 1; + range = ranges[imid]; + var start = range.start; + if (start === value) { + return range; + } else if (start < value) { + imin = imid + 1; + } else { imax = imid - 1; } + } + if (imin > 0) { + range = ranges[imin - 1]; + if (value > range.end) { return 0; } + return range; + } +} + +/** + * @exports opentype.Layout + * @class + */ +function Layout(font, tableName) { + this.font = font; + this.tableName = tableName; +} + +Layout.prototype = { + + /** + * Binary search an object by "tag" property + * @instance + * @function searchTag + * @memberof opentype.Layout + * @param {Array} arr + * @param {string} tag + * @return {number} + */ + searchTag: searchTag, + + /** + * Binary search in a list of numbers + * @instance + * @function binSearch + * @memberof opentype.Layout + * @param {Array} arr + * @param {number} value + * @return {number} + */ + binSearch: binSearch, + + /** + * Get or create the Layout table (GSUB, GPOS etc). + * @param {boolean} create - Whether to create a new one. + * @return {Object} The GSUB or GPOS table. + */ + getTable: function(create) { + var layout = this.font.tables[this.tableName]; + if (!layout && create) { + layout = this.font.tables[this.tableName] = this.createDefaultTable(); + } + return layout; + }, + + /** + * Returns all scripts in the substitution table. + * @instance + * @return {Array} + */ + getScriptNames: function() { + var layout = this.getTable(); + if (!layout) { return []; } + return layout.scripts.map(function(script) { + return script.tag; + }); + }, + + /** + * Returns the best bet for a script name. + * Returns 'DFLT' if it exists. + * If not, returns 'latn' if it exists. + * If neither exist, returns undefined. + */ + getDefaultScriptName: function() { + var layout = this.getTable(); + if (!layout) { return; } + var hasLatn = false; + for (var i = 0; i < layout.scripts.length; i++) { + var name = layout.scripts[i].tag; + if (name === 'DFLT') { return name; } + if (name === 'latn') { hasLatn = true; } + } + if (hasLatn) { return 'latn'; } + }, + + /** + * Returns all LangSysRecords in the given script. + * @instance + * @param {string} [script='DFLT'] + * @param {boolean} create - forces the creation of this script table if it doesn't exist. + * @return {Object} An object with tag and script properties. + */ + getScriptTable: function(script, create) { + var layout = this.getTable(create); + if (layout) { + script = script || 'DFLT'; + var scripts = layout.scripts; + var pos = searchTag(layout.scripts, script); + if (pos >= 0) { + return scripts[pos].script; + } else if (create) { + var scr = { + tag: script, + script: { + defaultLangSys: {reserved: 0, reqFeatureIndex: 0xffff, featureIndexes: []}, + langSysRecords: [] + } + }; + scripts.splice(-1 - pos, 0, scr); + return scr.script; + } + } + }, + + /** + * Returns a language system table + * @instance + * @param {string} [script='DFLT'] + * @param {string} [language='dlft'] + * @param {boolean} create - forces the creation of this langSysTable if it doesn't exist. + * @return {Object} + */ + getLangSysTable: function(script, language, create) { + var scriptTable = this.getScriptTable(script, create); + if (scriptTable) { + if (!language || language === 'dflt' || language === 'DFLT') { + return scriptTable.defaultLangSys; + } + var pos = searchTag(scriptTable.langSysRecords, language); + if (pos >= 0) { + return scriptTable.langSysRecords[pos].langSys; + } else if (create) { + var langSysRecord = { + tag: language, + langSys: {reserved: 0, reqFeatureIndex: 0xffff, featureIndexes: []} + }; + scriptTable.langSysRecords.splice(-1 - pos, 0, langSysRecord); + return langSysRecord.langSys; + } + } + }, + + /** + * Get a specific feature table. + * @instance + * @param {string} [script='DFLT'] + * @param {string} [language='dlft'] + * @param {string} feature - One of the codes listed at https://www.microsoft.com/typography/OTSPEC/featurelist.htm + * @param {boolean} create - forces the creation of the feature table if it doesn't exist. + * @return {Object} + */ + getFeatureTable: function(script, language, feature, create) { + var langSysTable = this.getLangSysTable(script, language, create); + if (langSysTable) { + var featureRecord; + var featIndexes = langSysTable.featureIndexes; + var allFeatures = this.font.tables[this.tableName].features; + // The FeatureIndex array of indices is in arbitrary order, + // even if allFeatures is sorted alphabetically by feature tag. + for (var i = 0; i < featIndexes.length; i++) { + featureRecord = allFeatures[featIndexes[i]]; + if (featureRecord.tag === feature) { + return featureRecord.feature; + } + } + if (create) { + var index = allFeatures.length; + // Automatic ordering of features would require to shift feature indexes in the script list. + check.assert(index === 0 || feature >= allFeatures[index - 1].tag, 'Features must be added in alphabetical order.'); + featureRecord = { + tag: feature, + feature: { params: 0, lookupListIndexes: [] } + }; + allFeatures.push(featureRecord); + featIndexes.push(index); + return featureRecord.feature; + } + } + }, + + /** + * Get the lookup tables of a given type for a script/language/feature. + * @instance + * @param {string} [script='DFLT'] + * @param {string} [language='dlft'] + * @param {string} feature - 4-letter feature code + * @param {number} lookupType - 1 to 9 + * @param {boolean} create - forces the creation of the lookup table if it doesn't exist, with no subtables. + * @return {Object[]} + */ + getLookupTables: function(script, language, feature, lookupType, create) { + var featureTable = this.getFeatureTable(script, language, feature, create); + var tables = []; + if (featureTable) { + var lookupTable; + var lookupListIndexes = featureTable.lookupListIndexes; + var allLookups = this.font.tables[this.tableName].lookups; + // lookupListIndexes are in no particular order, so use naive search. + for (var i = 0; i < lookupListIndexes.length; i++) { + lookupTable = allLookups[lookupListIndexes[i]]; + if (lookupTable.lookupType === lookupType) { + tables.push(lookupTable); + } + } + if (tables.length === 0 && create) { + lookupTable = { + lookupType: lookupType, + lookupFlag: 0, + subtables: [], + markFilteringSet: undefined + }; + var index = allLookups.length; + allLookups.push(lookupTable); + lookupListIndexes.push(index); + return [lookupTable]; + } + } + return tables; + }, + + /** + * Find a glyph in a class definition table + * https://docs.microsoft.com/en-us/typography/opentype/spec/chapter2#class-definition-table + * @param {object} classDefTable - an OpenType Layout class definition table + * @param {number} glyphIndex - the index of the glyph to find + * @returns {number} -1 if not found + */ + getGlyphClass: function(classDefTable, glyphIndex) { + switch (classDefTable.format) { + case 1: + if (classDefTable.startGlyph <= glyphIndex && glyphIndex < classDefTable.startGlyph + classDefTable.classes.length) { + return classDefTable.classes[glyphIndex - classDefTable.startGlyph]; + } + return 0; + case 2: + var range = searchRange(classDefTable.ranges, glyphIndex); + return range ? range.classId : 0; + } + }, + + /** + * Find a glyph in a coverage table + * https://docs.microsoft.com/en-us/typography/opentype/spec/chapter2#coverage-table + * @param {object} coverageTable - an OpenType Layout coverage table + * @param {number} glyphIndex - the index of the glyph to find + * @returns {number} -1 if not found + */ + getCoverageIndex: function(coverageTable, glyphIndex) { + switch (coverageTable.format) { + case 1: + var index = binSearch(coverageTable.glyphs, glyphIndex); + return index >= 0 ? index : -1; + case 2: + var range = searchRange(coverageTable.ranges, glyphIndex); + return range ? range.index + glyphIndex - range.start : -1; + } + }, + + /** + * Returns the list of glyph indexes of a coverage table. + * Format 1: the list is stored raw + * Format 2: compact list as range records. + * @instance + * @param {Object} coverageTable + * @return {Array} + */ + expandCoverage: function(coverageTable) { + if (coverageTable.format === 1) { + return coverageTable.glyphs; + } else { + var glyphs = []; + var ranges = coverageTable.ranges; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + var start = range.start; + var end = range.end; + for (var j = start; j <= end; j++) { + glyphs.push(j); + } + } + return glyphs; + } + } + +}; + +// The Position object provides utility methods to manipulate + +/** + * @exports opentype.Position + * @class + * @extends opentype.Layout + * @param {opentype.Font} + * @constructor + */ +function Position(font) { + Layout.call(this, font, 'gpos'); +} + +Position.prototype = Layout.prototype; + +/** + * Init some data for faster and easier access later. + */ +Position.prototype.init = function() { + var script = this.getDefaultScriptName(); + this.defaultKerningTables = this.getKerningTables(script); +}; + +/** + * Find a glyph pair in a list of lookup tables of type 2 and retrieve the xAdvance kerning value. + * + * @param {integer} leftIndex - left glyph index + * @param {integer} rightIndex - right glyph index + * @returns {integer} + */ +Position.prototype.getKerningValue = function(kerningLookups, leftIndex, rightIndex) { + for (var i = 0; i < kerningLookups.length; i++) { + var subtables = kerningLookups[i].subtables; + for (var j = 0; j < subtables.length; j++) { + var subtable = subtables[j]; + var covIndex = this.getCoverageIndex(subtable.coverage, leftIndex); + if (covIndex < 0) { continue; } + switch (subtable.posFormat) { + case 1: + // Search Pair Adjustment Positioning Format 1 + var pairSet = subtable.pairSets[covIndex]; + for (var k = 0; k < pairSet.length; k++) { + var pair = pairSet[k]; + if (pair.secondGlyph === rightIndex) { + return pair.value1 && pair.value1.xAdvance || 0; + } + } + break; // left glyph found, not right glyph - try next subtable + case 2: + // Search Pair Adjustment Positioning Format 2 + var class1 = this.getGlyphClass(subtable.classDef1, leftIndex); + var class2 = this.getGlyphClass(subtable.classDef2, rightIndex); + var pair$1 = subtable.classRecords[class1][class2]; + return pair$1.value1 && pair$1.value1.xAdvance || 0; + } + } + } + return 0; +}; + +/** + * List all kerning lookup tables. + * + * @param {string} [script='DFLT'] - use font.position.getDefaultScriptName() for a better default value + * @param {string} [language='dflt'] + * @return {object[]} The list of kerning lookup tables (may be empty), or undefined if there is no GPOS table (and we should use the kern table) + */ +Position.prototype.getKerningTables = function(script, language) { + if (this.font.tables.gpos) { + return this.getLookupTables(script, language, 'kern', 2); + } +}; + +// The Substitution object provides utility methods to manipulate + +/** + * @exports opentype.Substitution + * @class + * @extends opentype.Layout + * @param {opentype.Font} + * @constructor + */ +function Substitution(font) { + Layout.call(this, font, 'gsub'); +} + +// Check if 2 arrays of primitives are equal. +function arraysEqual(ar1, ar2) { + var n = ar1.length; + if (n !== ar2.length) { return false; } + for (var i = 0; i < n; i++) { + if (ar1[i] !== ar2[i]) { return false; } + } + return true; +} + +// Find the first subtable of a lookup table in a particular format. +function getSubstFormat(lookupTable, format, defaultSubtable) { + var subtables = lookupTable.subtables; + for (var i = 0; i < subtables.length; i++) { + var subtable = subtables[i]; + if (subtable.substFormat === format) { + return subtable; + } + } + if (defaultSubtable) { + subtables.push(defaultSubtable); + return defaultSubtable; + } + return undefined; +} + +Substitution.prototype = Layout.prototype; + +/** + * Create a default GSUB table. + * @return {Object} gsub - The GSUB table. + */ +Substitution.prototype.createDefaultTable = function() { + // Generate a default empty GSUB table with just a DFLT script and dflt lang sys. + return { + version: 1, + scripts: [{ + tag: 'DFLT', + script: { + defaultLangSys: { reserved: 0, reqFeatureIndex: 0xffff, featureIndexes: [] }, + langSysRecords: [] + } + }], + features: [], + lookups: [] + }; +}; + +/** + * List all single substitutions (lookup type 1) for a given script, language, and feature. + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + * @param {string} feature - 4-character feature name ('aalt', 'salt', 'ss01'...) + * @return {Array} substitutions - The list of substitutions. + */ +Substitution.prototype.getSingle = function(feature, script, language) { + var substitutions = []; + var lookupTables = this.getLookupTables(script, language, feature, 1); + for (var idx = 0; idx < lookupTables.length; idx++) { + var subtables = lookupTables[idx].subtables; + for (var i = 0; i < subtables.length; i++) { + var subtable = subtables[i]; + var glyphs = this.expandCoverage(subtable.coverage); + var j = (void 0); + if (subtable.substFormat === 1) { + var delta = subtable.deltaGlyphId; + for (j = 0; j < glyphs.length; j++) { + var glyph = glyphs[j]; + substitutions.push({ sub: glyph, by: glyph + delta }); + } + } else { + var substitute = subtable.substitute; + for (j = 0; j < glyphs.length; j++) { + substitutions.push({ sub: glyphs[j], by: substitute[j] }); + } + } + } + } + return substitutions; +}; + +/** + * List all multiple substitutions (lookup type 2) for a given script, language, and feature. + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + * @param {string} feature - 4-character feature name ('ccmp', 'stch') + * @return {Array} substitutions - The list of substitutions. + */ +Substitution.prototype.getMultiple = function(feature, script, language) { + var substitutions = []; + var lookupTables = this.getLookupTables(script, language, feature, 2); + for (var idx = 0; idx < lookupTables.length; idx++) { + var subtables = lookupTables[idx].subtables; + for (var i = 0; i < subtables.length; i++) { + var subtable = subtables[i]; + var glyphs = this.expandCoverage(subtable.coverage); + var j = (void 0); + + for (j = 0; j < glyphs.length; j++) { + var glyph = glyphs[j]; + var replacements = subtable.sequences[j]; + substitutions.push({ sub: glyph, by: replacements }); + } + } + } + return substitutions; +}; + +/** + * List all alternates (lookup type 3) for a given script, language, and feature. + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + * @param {string} feature - 4-character feature name ('aalt', 'salt'...) + * @return {Array} alternates - The list of alternates + */ +Substitution.prototype.getAlternates = function(feature, script, language) { + var alternates = []; + var lookupTables = this.getLookupTables(script, language, feature, 3); + for (var idx = 0; idx < lookupTables.length; idx++) { + var subtables = lookupTables[idx].subtables; + for (var i = 0; i < subtables.length; i++) { + var subtable = subtables[i]; + var glyphs = this.expandCoverage(subtable.coverage); + var alternateSets = subtable.alternateSets; + for (var j = 0; j < glyphs.length; j++) { + alternates.push({ sub: glyphs[j], by: alternateSets[j] }); + } + } + } + return alternates; +}; + +/** + * List all ligatures (lookup type 4) for a given script, language, and feature. + * The result is an array of ligature objects like { sub: [ids], by: id } + * @param {string} feature - 4-letter feature name ('liga', 'rlig', 'dlig'...) + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + * @return {Array} ligatures - The list of ligatures. + */ +Substitution.prototype.getLigatures = function(feature, script, language) { + var ligatures = []; + var lookupTables = this.getLookupTables(script, language, feature, 4); + for (var idx = 0; idx < lookupTables.length; idx++) { + var subtables = lookupTables[idx].subtables; + for (var i = 0; i < subtables.length; i++) { + var subtable = subtables[i]; + var glyphs = this.expandCoverage(subtable.coverage); + var ligatureSets = subtable.ligatureSets; + for (var j = 0; j < glyphs.length; j++) { + var startGlyph = glyphs[j]; + var ligSet = ligatureSets[j]; + for (var k = 0; k < ligSet.length; k++) { + var lig = ligSet[k]; + ligatures.push({ + sub: [startGlyph].concat(lig.components), + by: lig.ligGlyph + }); + } + } + } + } + return ligatures; +}; + +/** + * Add or modify a single substitution (lookup type 1) + * Format 2, more flexible, is always used. + * @param {string} feature - 4-letter feature name ('liga', 'rlig', 'dlig'...) + * @param {Object} substitution - { sub: id, by: id } (format 1 is not supported) + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + */ +Substitution.prototype.addSingle = function(feature, substitution, script, language) { + var lookupTable = this.getLookupTables(script, language, feature, 1, true)[0]; + var subtable = getSubstFormat(lookupTable, 2, { // lookup type 1 subtable, format 2, coverage format 1 + substFormat: 2, + coverage: {format: 1, glyphs: []}, + substitute: [] + }); + check.assert(subtable.coverage.format === 1, 'Single: unable to modify coverage table format ' + subtable.coverage.format); + var coverageGlyph = substitution.sub; + var pos = this.binSearch(subtable.coverage.glyphs, coverageGlyph); + if (pos < 0) { + pos = -1 - pos; + subtable.coverage.glyphs.splice(pos, 0, coverageGlyph); + subtable.substitute.splice(pos, 0, 0); + } + subtable.substitute[pos] = substitution.by; +}; + +/** + * Add or modify a multiple substitution (lookup type 2) + * @param {string} feature - 4-letter feature name ('ccmp', 'stch') + * @param {Object} substitution - { sub: id, by: [id] } for format 2. + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + */ +Substitution.prototype.addMultiple = function(feature, substitution, script, language) { + check.assert(substitution.by instanceof Array && substitution.by.length > 1, 'Multiple: "by" must be an array of two or more ids'); + var lookupTable = this.getLookupTables(script, language, feature, 2, true)[0]; + var subtable = getSubstFormat(lookupTable, 1, { // lookup type 2 subtable, format 1, coverage format 1 + substFormat: 1, + coverage: {format: 1, glyphs: []}, + sequences: [] + }); + check.assert(subtable.coverage.format === 1, 'Multiple: unable to modify coverage table format ' + subtable.coverage.format); + var coverageGlyph = substitution.sub; + var pos = this.binSearch(subtable.coverage.glyphs, coverageGlyph); + if (pos < 0) { + pos = -1 - pos; + subtable.coverage.glyphs.splice(pos, 0, coverageGlyph); + subtable.sequences.splice(pos, 0, 0); + } + subtable.sequences[pos] = substitution.by; +}; + +/** + * Add or modify an alternate substitution (lookup type 3) + * @param {string} feature - 4-letter feature name ('liga', 'rlig', 'dlig'...) + * @param {Object} substitution - { sub: id, by: [ids] } + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + */ +Substitution.prototype.addAlternate = function(feature, substitution, script, language) { + var lookupTable = this.getLookupTables(script, language, feature, 3, true)[0]; + var subtable = getSubstFormat(lookupTable, 1, { // lookup type 3 subtable, format 1, coverage format 1 + substFormat: 1, + coverage: {format: 1, glyphs: []}, + alternateSets: [] + }); + check.assert(subtable.coverage.format === 1, 'Alternate: unable to modify coverage table format ' + subtable.coverage.format); + var coverageGlyph = substitution.sub; + var pos = this.binSearch(subtable.coverage.glyphs, coverageGlyph); + if (pos < 0) { + pos = -1 - pos; + subtable.coverage.glyphs.splice(pos, 0, coverageGlyph); + subtable.alternateSets.splice(pos, 0, 0); + } + subtable.alternateSets[pos] = substitution.by; +}; + +/** + * Add a ligature (lookup type 4) + * Ligatures with more components must be stored ahead of those with fewer components in order to be found + * @param {string} feature - 4-letter feature name ('liga', 'rlig', 'dlig'...) + * @param {Object} ligature - { sub: [ids], by: id } + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + */ +Substitution.prototype.addLigature = function(feature, ligature, script, language) { + var lookupTable = this.getLookupTables(script, language, feature, 4, true)[0]; + var subtable = lookupTable.subtables[0]; + if (!subtable) { + subtable = { // lookup type 4 subtable, format 1, coverage format 1 + substFormat: 1, + coverage: { format: 1, glyphs: [] }, + ligatureSets: [] + }; + lookupTable.subtables[0] = subtable; + } + check.assert(subtable.coverage.format === 1, 'Ligature: unable to modify coverage table format ' + subtable.coverage.format); + var coverageGlyph = ligature.sub[0]; + var ligComponents = ligature.sub.slice(1); + var ligatureTable = { + ligGlyph: ligature.by, + components: ligComponents + }; + var pos = this.binSearch(subtable.coverage.glyphs, coverageGlyph); + if (pos >= 0) { + // ligatureSet already exists + var ligatureSet = subtable.ligatureSets[pos]; + for (var i = 0; i < ligatureSet.length; i++) { + // If ligature already exists, return. + if (arraysEqual(ligatureSet[i].components, ligComponents)) { + return; + } + } + // ligature does not exist: add it. + ligatureSet.push(ligatureTable); + } else { + // Create a new ligatureSet and add coverage for the first glyph. + pos = -1 - pos; + subtable.coverage.glyphs.splice(pos, 0, coverageGlyph); + subtable.ligatureSets.splice(pos, 0, [ligatureTable]); + } +}; + +/** + * List all feature data for a given script and language. + * @param {string} feature - 4-letter feature name + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + * @return {Array} substitutions - The list of substitutions. + */ +Substitution.prototype.getFeature = function(feature, script, language) { + if (/ss\d\d/.test(feature)) { + // ss01 - ss20 + return this.getSingle(feature, script, language); + } + switch (feature) { + case 'aalt': + case 'salt': + return this.getSingle(feature, script, language) + .concat(this.getAlternates(feature, script, language)); + case 'dlig': + case 'liga': + case 'rlig': + return this.getLigatures(feature, script, language); + case 'ccmp': + return this.getMultiple(feature, script, language) + .concat(this.getLigatures(feature, script, language)); + case 'stch': + return this.getMultiple(feature, script, language); + } + return undefined; +}; + +/** + * Add a substitution to a feature for a given script and language. + * @param {string} feature - 4-letter feature name + * @param {Object} sub - the substitution to add (an object like { sub: id or [ids], by: id or [ids] }) + * @param {string} [script='DFLT'] + * @param {string} [language='dflt'] + */ +Substitution.prototype.add = function(feature, sub, script, language) { + if (/ss\d\d/.test(feature)) { + // ss01 - ss20 + return this.addSingle(feature, sub, script, language); + } + switch (feature) { + case 'aalt': + case 'salt': + if (typeof sub.by === 'number') { + return this.addSingle(feature, sub, script, language); + } + return this.addAlternate(feature, sub, script, language); + case 'dlig': + case 'liga': + case 'rlig': + return this.addLigature(feature, sub, script, language); + case 'ccmp': + if (sub.by instanceof Array) { + return this.addMultiple(feature, sub, script, language); + } + return this.addLigature(feature, sub, script, language); + } + return undefined; +}; + +function checkArgument(expression, message) { + if (!expression) { + throw message; + } +} + +// The `glyf` table describes the glyphs in TrueType outline format. + +// Parse the coordinate data for a glyph. +function parseGlyphCoordinate(p, flag, previousValue, shortVectorBitMask, sameBitMask) { + var v; + if ((flag & shortVectorBitMask) > 0) { + // The coordinate is 1 byte long. + v = p.parseByte(); + // The `same` bit is re-used for short values to signify the sign of the value. + if ((flag & sameBitMask) === 0) { + v = -v; + } + + v = previousValue + v; + } else { + // The coordinate is 2 bytes long. + // If the `same` bit is set, the coordinate is the same as the previous coordinate. + if ((flag & sameBitMask) > 0) { + v = previousValue; + } else { + // Parse the coordinate as a signed 16-bit delta value. + v = previousValue + p.parseShort(); + } + } + + return v; +} + +// Parse a TrueType glyph. +function parseGlyph(glyph, data, start) { + var p = new parse.Parser(data, start); + glyph.numberOfContours = p.parseShort(); + glyph._xMin = p.parseShort(); + glyph._yMin = p.parseShort(); + glyph._xMax = p.parseShort(); + glyph._yMax = p.parseShort(); + var flags; + var flag; + + if (glyph.numberOfContours > 0) { + // This glyph is not a composite. + var endPointIndices = glyph.endPointIndices = []; + for (var i = 0; i < glyph.numberOfContours; i += 1) { + endPointIndices.push(p.parseUShort()); + } + + glyph.instructionLength = p.parseUShort(); + glyph.instructions = []; + for (var i$1 = 0; i$1 < glyph.instructionLength; i$1 += 1) { + glyph.instructions.push(p.parseByte()); + } + + var numberOfCoordinates = endPointIndices[endPointIndices.length - 1] + 1; + flags = []; + for (var i$2 = 0; i$2 < numberOfCoordinates; i$2 += 1) { + flag = p.parseByte(); + flags.push(flag); + // If bit 3 is set, we repeat this flag n times, where n is the next byte. + if ((flag & 8) > 0) { + var repeatCount = p.parseByte(); + for (var j = 0; j < repeatCount; j += 1) { + flags.push(flag); + i$2 += 1; + } + } + } + + check.argument(flags.length === numberOfCoordinates, 'Bad flags.'); + + if (endPointIndices.length > 0) { + var points = []; + var point; + // X/Y coordinates are relative to the previous point, except for the first point which is relative to 0,0. + if (numberOfCoordinates > 0) { + for (var i$3 = 0; i$3 < numberOfCoordinates; i$3 += 1) { + flag = flags[i$3]; + point = {}; + point.onCurve = !!(flag & 1); + point.lastPointOfContour = endPointIndices.indexOf(i$3) >= 0; + points.push(point); + } + + var px = 0; + for (var i$4 = 0; i$4 < numberOfCoordinates; i$4 += 1) { + flag = flags[i$4]; + point = points[i$4]; + point.x = parseGlyphCoordinate(p, flag, px, 2, 16); + px = point.x; + } + + var py = 0; + for (var i$5 = 0; i$5 < numberOfCoordinates; i$5 += 1) { + flag = flags[i$5]; + point = points[i$5]; + point.y = parseGlyphCoordinate(p, flag, py, 4, 32); + py = point.y; + } + } + + glyph.points = points; + } else { + glyph.points = []; + } + } else if (glyph.numberOfContours === 0) { + glyph.points = []; + } else { + glyph.isComposite = true; + glyph.points = []; + glyph.components = []; + var moreComponents = true; + while (moreComponents) { + flags = p.parseUShort(); + var component = { + glyphIndex: p.parseUShort(), + xScale: 1, + scale01: 0, + scale10: 0, + yScale: 1, + dx: 0, + dy: 0 + }; + if ((flags & 1) > 0) { + // The arguments are words + if ((flags & 2) > 0) { + // values are offset + component.dx = p.parseShort(); + component.dy = p.parseShort(); + } else { + // values are matched points + component.matchedPoints = [p.parseUShort(), p.parseUShort()]; + } + + } else { + // The arguments are bytes + if ((flags & 2) > 0) { + // values are offset + component.dx = p.parseChar(); + component.dy = p.parseChar(); + } else { + // values are matched points + component.matchedPoints = [p.parseByte(), p.parseByte()]; + } + } + + if ((flags & 8) > 0) { + // We have a scale + component.xScale = component.yScale = p.parseF2Dot14(); + } else if ((flags & 64) > 0) { + // We have an X / Y scale + component.xScale = p.parseF2Dot14(); + component.yScale = p.parseF2Dot14(); + } else if ((flags & 128) > 0) { + // We have a 2x2 transformation + component.xScale = p.parseF2Dot14(); + component.scale01 = p.parseF2Dot14(); + component.scale10 = p.parseF2Dot14(); + component.yScale = p.parseF2Dot14(); + } + + glyph.components.push(component); + moreComponents = !!(flags & 32); + } + if (flags & 0x100) { + // We have instructions + glyph.instructionLength = p.parseUShort(); + glyph.instructions = []; + for (var i$6 = 0; i$6 < glyph.instructionLength; i$6 += 1) { + glyph.instructions.push(p.parseByte()); + } + } + } +} + +// Transform an array of points and return a new array. +function transformPoints(points, transform) { + var newPoints = []; + for (var i = 0; i < points.length; i += 1) { + var pt = points[i]; + var newPt = { + x: transform.xScale * pt.x + transform.scale01 * pt.y + transform.dx, + y: transform.scale10 * pt.x + transform.yScale * pt.y + transform.dy, + onCurve: pt.onCurve, + lastPointOfContour: pt.lastPointOfContour + }; + newPoints.push(newPt); + } + + return newPoints; +} + +function getContours(points) { + var contours = []; + var currentContour = []; + for (var i = 0; i < points.length; i += 1) { + var pt = points[i]; + currentContour.push(pt); + if (pt.lastPointOfContour) { + contours.push(currentContour); + currentContour = []; + } + } + + check.argument(currentContour.length === 0, 'There are still points left in the current contour.'); + return contours; +} + +// Convert the TrueType glyph outline to a Path. +function getPath(points) { + var p = new Path(); + if (!points) { + return p; + } + + var contours = getContours(points); + + for (var contourIndex = 0; contourIndex < contours.length; ++contourIndex) { + var contour = contours[contourIndex]; + + var prev = null; + var curr = contour[contour.length - 1]; + var next = contour[0]; + + if (curr.onCurve) { + p.moveTo(curr.x, curr.y); + } else { + if (next.onCurve) { + p.moveTo(next.x, next.y); + } else { + // If both first and last points are off-curve, start at their middle. + var start = {x: (curr.x + next.x) * 0.5, y: (curr.y + next.y) * 0.5}; + p.moveTo(start.x, start.y); + } + } + + for (var i = 0; i < contour.length; ++i) { + prev = curr; + curr = next; + next = contour[(i + 1) % contour.length]; + + if (curr.onCurve) { + // This is a straight line. + p.lineTo(curr.x, curr.y); + } else { + var prev2 = prev; + var next2 = next; + + if (!prev.onCurve) { + prev2 = { x: (curr.x + prev.x) * 0.5, y: (curr.y + prev.y) * 0.5 }; + } + + if (!next.onCurve) { + next2 = { x: (curr.x + next.x) * 0.5, y: (curr.y + next.y) * 0.5 }; + } + + p.quadraticCurveTo(curr.x, curr.y, next2.x, next2.y); + } + } + + p.closePath(); + } + return p; +} + +function buildPath(glyphs, glyph) { + if (glyph.isComposite) { + for (var j = 0; j < glyph.components.length; j += 1) { + var component = glyph.components[j]; + var componentGlyph = glyphs.get(component.glyphIndex); + // Force the ttfGlyphLoader to parse the glyph. + componentGlyph.getPath(); + if (componentGlyph.points) { + var transformedPoints = (void 0); + if (component.matchedPoints === undefined) { + // component positioned by offset + transformedPoints = transformPoints(componentGlyph.points, component); + } else { + // component positioned by matched points + if ((component.matchedPoints[0] > glyph.points.length - 1) || + (component.matchedPoints[1] > componentGlyph.points.length - 1)) { + throw Error('Matched points out of range in ' + glyph.name); + } + var firstPt = glyph.points[component.matchedPoints[0]]; + var secondPt = componentGlyph.points[component.matchedPoints[1]]; + var transform = { + xScale: component.xScale, scale01: component.scale01, + scale10: component.scale10, yScale: component.yScale, + dx: 0, dy: 0 + }; + secondPt = transformPoints([secondPt], transform)[0]; + transform.dx = firstPt.x - secondPt.x; + transform.dy = firstPt.y - secondPt.y; + transformedPoints = transformPoints(componentGlyph.points, transform); + } + glyph.points = glyph.points.concat(transformedPoints); + } + } + } + + return getPath(glyph.points); +} + +function parseGlyfTableAll(data, start, loca, font) { + var glyphs = new glyphset.GlyphSet(font); + + // The last element of the loca table is invalid. + for (var i = 0; i < loca.length - 1; i += 1) { + var offset = loca[i]; + var nextOffset = loca[i + 1]; + if (offset !== nextOffset) { + glyphs.push(i, glyphset.ttfGlyphLoader(font, i, parseGlyph, data, start + offset, buildPath)); + } else { + glyphs.push(i, glyphset.glyphLoader(font, i)); + } + } + + return glyphs; +} + +function parseGlyfTableOnLowMemory(data, start, loca, font) { + var glyphs = new glyphset.GlyphSet(font); + + font._push = function(i) { + var offset = loca[i]; + var nextOffset = loca[i + 1]; + if (offset !== nextOffset) { + glyphs.push(i, glyphset.ttfGlyphLoader(font, i, parseGlyph, data, start + offset, buildPath)); + } else { + glyphs.push(i, glyphset.glyphLoader(font, i)); + } + }; + + return glyphs; +} + +// Parse all the glyphs according to the offsets from the `loca` table. +function parseGlyfTable(data, start, loca, font, opt) { + if (opt.lowMemory) + { return parseGlyfTableOnLowMemory(data, start, loca, font); } + else + { return parseGlyfTableAll(data, start, loca, font); } +} + +var glyf = { getPath: getPath, parse: parseGlyfTable}; + +/* A TrueType font hinting interpreter. +* +* (c) 2017 Axel Kittenberger +* +* This interpreter has been implemented according to this documentation: +* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM05/Chap5.html +* +* According to the documentation F24DOT6 values are used for pixels. +* That means calculation is 1/64 pixel accurate and uses integer operations. +* However, Javascript has floating point operations by default and only +* those are available. One could make a case to simulate the 1/64 accuracy +* exactly by truncating after every division operation +* (for example with << 0) to get pixel exactly results as other TrueType +* implementations. It may make sense since some fonts are pixel optimized +* by hand using DELTAP instructions. The current implementation doesn't +* and rather uses full floating point precision. +* +* xScale, yScale and rotation is currently ignored. +* +* A few non-trivial instructions are missing as I didn't encounter yet +* a font that used them to test a possible implementation. +* +* Some fonts seem to use undocumented features regarding the twilight zone. +* Only some of them are implemented as they were encountered. +* +* The exports.DEBUG statements are removed on the minified distribution file. +*/ + +var instructionTable; +var exec; +var execGlyph; +var execComponent; + +/* +* Creates a hinting object. +* +* There ought to be exactly one +* for each truetype font that is used for hinting. +*/ +function Hinting(font) { + // the font this hinting object is for + this.font = font; + + this.getCommands = function (hPoints) { + return glyf.getPath(hPoints).commands; + }; + + // cached states + this._fpgmState = + this._prepState = + undefined; + + // errorState + // 0 ... all okay + // 1 ... had an error in a glyf, + // continue working but stop spamming + // the console + // 2 ... error at prep, stop hinting at this ppem + // 3 ... error at fpeg, stop hinting for this font at all + this._errorState = 0; +} + +/* +* Not rounding. +*/ +function roundOff(v) { + return v; +} + +/* +* Rounding to grid. +*/ +function roundToGrid(v) { + //Rounding in TT is supposed to "symmetrical around zero" + return Math.sign(v) * Math.round(Math.abs(v)); +} + +/* +* Rounding to double grid. +*/ +function roundToDoubleGrid(v) { + return Math.sign(v) * Math.round(Math.abs(v * 2)) / 2; +} + +/* +* Rounding to half grid. +*/ +function roundToHalfGrid(v) { + return Math.sign(v) * (Math.round(Math.abs(v) + 0.5) - 0.5); +} + +/* +* Rounding to up to grid. +*/ +function roundUpToGrid(v) { + return Math.sign(v) * Math.ceil(Math.abs(v)); +} + +/* +* Rounding to down to grid. +*/ +function roundDownToGrid(v) { + return Math.sign(v) * Math.floor(Math.abs(v)); +} + +/* +* Super rounding. +*/ +var roundSuper = function (v) { + var period = this.srPeriod; + var phase = this.srPhase; + var threshold = this.srThreshold; + var sign = 1; + + if (v < 0) { + v = -v; + sign = -1; + } + + v += threshold - phase; + + v = Math.trunc(v / period) * period; + + v += phase; + + // according to http://xgridfit.sourceforge.net/round.html + if (v < 0) { return phase * sign; } + + return v * sign; +}; + +/* +* Unit vector of x-axis. +*/ +var xUnitVector = { + x: 1, + + y: 0, + + axis: 'x', + + // Gets the projected distance between two points. + // o1/o2 ... if true, respective original position is used. + distance: function (p1, p2, o1, o2) { + return (o1 ? p1.xo : p1.x) - (o2 ? p2.xo : p2.x); + }, + + // Moves point p so the moved position has the same relative + // position to the moved positions of rp1 and rp2 than the + // original positions had. + // + // See APPENDIX on INTERPOLATE at the bottom of this file. + interpolate: function (p, rp1, rp2, pv) { + var do1; + var do2; + var doa1; + var doa2; + var dm1; + var dm2; + var dt; + + if (!pv || pv === this) { + do1 = p.xo - rp1.xo; + do2 = p.xo - rp2.xo; + dm1 = rp1.x - rp1.xo; + dm2 = rp2.x - rp2.xo; + doa1 = Math.abs(do1); + doa2 = Math.abs(do2); + dt = doa1 + doa2; + + if (dt === 0) { + p.x = p.xo + (dm1 + dm2) / 2; + return; + } + + p.x = p.xo + (dm1 * doa2 + dm2 * doa1) / dt; + return; + } + + do1 = pv.distance(p, rp1, true, true); + do2 = pv.distance(p, rp2, true, true); + dm1 = pv.distance(rp1, rp1, false, true); + dm2 = pv.distance(rp2, rp2, false, true); + doa1 = Math.abs(do1); + doa2 = Math.abs(do2); + dt = doa1 + doa2; + + if (dt === 0) { + xUnitVector.setRelative(p, p, (dm1 + dm2) / 2, pv, true); + return; + } + + xUnitVector.setRelative(p, p, (dm1 * doa2 + dm2 * doa1) / dt, pv, true); + }, + + // Slope of line normal to this + normalSlope: Number.NEGATIVE_INFINITY, + + // Sets the point 'p' relative to point 'rp' + // by the distance 'd'. + // + // See APPENDIX on SETRELATIVE at the bottom of this file. + // + // p ... point to set + // rp ... reference point + // d ... distance on projection vector + // pv ... projection vector (undefined = this) + // org ... if true, uses the original position of rp as reference. + setRelative: function (p, rp, d, pv, org) { + if (!pv || pv === this) { + p.x = (org ? rp.xo : rp.x) + d; + return; + } + + var rpx = org ? rp.xo : rp.x; + var rpy = org ? rp.yo : rp.y; + var rpdx = rpx + d * pv.x; + var rpdy = rpy + d * pv.y; + + p.x = rpdx + (p.y - rpdy) / pv.normalSlope; + }, + + // Slope of vector line. + slope: 0, + + // Touches the point p. + touch: function (p) { + p.xTouched = true; + }, + + // Tests if a point p is touched. + touched: function (p) { + return p.xTouched; + }, + + // Untouches the point p. + untouch: function (p) { + p.xTouched = false; + } +}; + +/* +* Unit vector of y-axis. +*/ +var yUnitVector = { + x: 0, + + y: 1, + + axis: 'y', + + // Gets the projected distance between two points. + // o1/o2 ... if true, respective original position is used. + distance: function (p1, p2, o1, o2) { + return (o1 ? p1.yo : p1.y) - (o2 ? p2.yo : p2.y); + }, + + // Moves point p so the moved position has the same relative + // position to the moved positions of rp1 and rp2 than the + // original positions had. + // + // See APPENDIX on INTERPOLATE at the bottom of this file. + interpolate: function (p, rp1, rp2, pv) { + var do1; + var do2; + var doa1; + var doa2; + var dm1; + var dm2; + var dt; + + if (!pv || pv === this) { + do1 = p.yo - rp1.yo; + do2 = p.yo - rp2.yo; + dm1 = rp1.y - rp1.yo; + dm2 = rp2.y - rp2.yo; + doa1 = Math.abs(do1); + doa2 = Math.abs(do2); + dt = doa1 + doa2; + + if (dt === 0) { + p.y = p.yo + (dm1 + dm2) / 2; + return; + } + + p.y = p.yo + (dm1 * doa2 + dm2 * doa1) / dt; + return; + } + + do1 = pv.distance(p, rp1, true, true); + do2 = pv.distance(p, rp2, true, true); + dm1 = pv.distance(rp1, rp1, false, true); + dm2 = pv.distance(rp2, rp2, false, true); + doa1 = Math.abs(do1); + doa2 = Math.abs(do2); + dt = doa1 + doa2; + + if (dt === 0) { + yUnitVector.setRelative(p, p, (dm1 + dm2) / 2, pv, true); + return; + } + + yUnitVector.setRelative(p, p, (dm1 * doa2 + dm2 * doa1) / dt, pv, true); + }, + + // Slope of line normal to this. + normalSlope: 0, + + // Sets the point 'p' relative to point 'rp' + // by the distance 'd' + // + // See APPENDIX on SETRELATIVE at the bottom of this file. + // + // p ... point to set + // rp ... reference point + // d ... distance on projection vector + // pv ... projection vector (undefined = this) + // org ... if true, uses the original position of rp as reference. + setRelative: function (p, rp, d, pv, org) { + if (!pv || pv === this) { + p.y = (org ? rp.yo : rp.y) + d; + return; + } + + var rpx = org ? rp.xo : rp.x; + var rpy = org ? rp.yo : rp.y; + var rpdx = rpx + d * pv.x; + var rpdy = rpy + d * pv.y; + + p.y = rpdy + pv.normalSlope * (p.x - rpdx); + }, + + // Slope of vector line. + slope: Number.POSITIVE_INFINITY, + + // Touches the point p. + touch: function (p) { + p.yTouched = true; + }, + + // Tests if a point p is touched. + touched: function (p) { + return p.yTouched; + }, + + // Untouches the point p. + untouch: function (p) { + p.yTouched = false; + } +}; + +Object.freeze(xUnitVector); +Object.freeze(yUnitVector); + +/* +* Creates a unit vector that is not x- or y-axis. +*/ +function UnitVector(x, y) { + this.x = x; + this.y = y; + this.axis = undefined; + this.slope = y / x; + this.normalSlope = -x / y; + Object.freeze(this); +} + +/* +* Gets the projected distance between two points. +* o1/o2 ... if true, respective original position is used. +*/ +UnitVector.prototype.distance = function(p1, p2, o1, o2) { + return ( + this.x * xUnitVector.distance(p1, p2, o1, o2) + + this.y * yUnitVector.distance(p1, p2, o1, o2) + ); +}; + +/* +* Moves point p so the moved position has the same relative +* position to the moved positions of rp1 and rp2 than the +* original positions had. +* +* See APPENDIX on INTERPOLATE at the bottom of this file. +*/ +UnitVector.prototype.interpolate = function(p, rp1, rp2, pv) { + var dm1; + var dm2; + var do1; + var do2; + var doa1; + var doa2; + var dt; + + do1 = pv.distance(p, rp1, true, true); + do2 = pv.distance(p, rp2, true, true); + dm1 = pv.distance(rp1, rp1, false, true); + dm2 = pv.distance(rp2, rp2, false, true); + doa1 = Math.abs(do1); + doa2 = Math.abs(do2); + dt = doa1 + doa2; + + if (dt === 0) { + this.setRelative(p, p, (dm1 + dm2) / 2, pv, true); + return; + } + + this.setRelative(p, p, (dm1 * doa2 + dm2 * doa1) / dt, pv, true); +}; + +/* +* Sets the point 'p' relative to point 'rp' +* by the distance 'd' +* +* See APPENDIX on SETRELATIVE at the bottom of this file. +* +* p ... point to set +* rp ... reference point +* d ... distance on projection vector +* pv ... projection vector (undefined = this) +* org ... if true, uses the original position of rp as reference. +*/ +UnitVector.prototype.setRelative = function(p, rp, d, pv, org) { + pv = pv || this; + + var rpx = org ? rp.xo : rp.x; + var rpy = org ? rp.yo : rp.y; + var rpdx = rpx + d * pv.x; + var rpdy = rpy + d * pv.y; + + var pvns = pv.normalSlope; + var fvs = this.slope; + + var px = p.x; + var py = p.y; + + p.x = (fvs * px - pvns * rpdx + rpdy - py) / (fvs - pvns); + p.y = fvs * (p.x - px) + py; +}; + +/* +* Touches the point p. +*/ +UnitVector.prototype.touch = function(p) { + p.xTouched = true; + p.yTouched = true; +}; + +/* +* Returns a unit vector with x/y coordinates. +*/ +function getUnitVector(x, y) { + var d = Math.sqrt(x * x + y * y); + + x /= d; + y /= d; + + if (x === 1 && y === 0) { return xUnitVector; } + else if (x === 0 && y === 1) { return yUnitVector; } + else { return new UnitVector(x, y); } +} + +/* +* Creates a point in the hinting engine. +*/ +function HPoint( + x, + y, + lastPointOfContour, + onCurve +) { + this.x = this.xo = Math.round(x * 64) / 64; // hinted x value and original x-value + this.y = this.yo = Math.round(y * 64) / 64; // hinted y value and original y-value + + this.lastPointOfContour = lastPointOfContour; + this.onCurve = onCurve; + this.prevPointOnContour = undefined; + this.nextPointOnContour = undefined; + this.xTouched = false; + this.yTouched = false; + + Object.preventExtensions(this); +} + +/* +* Returns the next touched point on the contour. +* +* v ... unit vector to test touch axis. +*/ +HPoint.prototype.nextTouched = function(v) { + var p = this.nextPointOnContour; + + while (!v.touched(p) && p !== this) { p = p.nextPointOnContour; } + + return p; +}; + +/* +* Returns the previous touched point on the contour +* +* v ... unit vector to test touch axis. +*/ +HPoint.prototype.prevTouched = function(v) { + var p = this.prevPointOnContour; + + while (!v.touched(p) && p !== this) { p = p.prevPointOnContour; } + + return p; +}; + +/* +* The zero point. +*/ +var HPZero = Object.freeze(new HPoint(0, 0)); + +/* +* The default state of the interpreter. +* +* Note: Freezing the defaultState and then deriving from it +* makes the V8 Javascript engine going awkward, +* so this is avoided, albeit the defaultState shouldn't +* ever change. +*/ +var defaultState = { + cvCutIn: 17 / 16, // control value cut in + deltaBase: 9, + deltaShift: 0.125, + loop: 1, // loops some instructions + minDis: 1, // minimum distance + autoFlip: true +}; + +/* +* The current state of the interpreter. +* +* env ... 'fpgm' or 'prep' or 'glyf' +* prog ... the program +*/ +function State(env, prog) { + this.env = env; + this.stack = []; + this.prog = prog; + + switch (env) { + case 'glyf' : + this.zp0 = this.zp1 = this.zp2 = 1; + this.rp0 = this.rp1 = this.rp2 = 0; + /* fall through */ + case 'prep' : + this.fv = this.pv = this.dpv = xUnitVector; + this.round = roundToGrid; + } +} + +/* +* Executes a glyph program. +* +* This does the hinting for each glyph. +* +* Returns an array of moved points. +* +* glyph: the glyph to hint +* ppem: the size the glyph is rendered for +*/ +Hinting.prototype.exec = function(glyph, ppem) { + if (typeof ppem !== 'number') { + throw new Error('Point size is not a number!'); + } + + // Received a fatal error, don't do any hinting anymore. + if (this._errorState > 2) { return; } + + var font = this.font; + var prepState = this._prepState; + + if (!prepState || prepState.ppem !== ppem) { + var fpgmState = this._fpgmState; + + if (!fpgmState) { + // Executes the fpgm state. + // This is used by fonts to define functions. + State.prototype = defaultState; + + fpgmState = + this._fpgmState = + new State('fpgm', font.tables.fpgm); + + fpgmState.funcs = [ ]; + fpgmState.font = font; + + if (exports.DEBUG) { + console.log('---EXEC FPGM---'); + fpgmState.step = -1; + } + + try { + exec(fpgmState); + } catch (e) { + console.log('Hinting error in FPGM:' + e); + this._errorState = 3; + return; + } + } + + // Executes the prep program for this ppem setting. + // This is used by fonts to set cvt values + // depending on to be rendered font size. + + State.prototype = fpgmState; + prepState = + this._prepState = + new State('prep', font.tables.prep); + + prepState.ppem = ppem; + + // Creates a copy of the cvt table + // and scales it to the current ppem setting. + var oCvt = font.tables.cvt; + if (oCvt) { + var cvt = prepState.cvt = new Array(oCvt.length); + var scale = ppem / font.unitsPerEm; + for (var c = 0; c < oCvt.length; c++) { + cvt[c] = oCvt[c] * scale; + } + } else { + prepState.cvt = []; + } + + if (exports.DEBUG) { + console.log('---EXEC PREP---'); + prepState.step = -1; + } + + try { + exec(prepState); + } catch (e) { + if (this._errorState < 2) { + console.log('Hinting error in PREP:' + e); + } + this._errorState = 2; + } + } + + if (this._errorState > 1) { return; } + + try { + return execGlyph(glyph, prepState); + } catch (e) { + if (this._errorState < 1) { + console.log('Hinting error:' + e); + console.log('Note: further hinting errors are silenced'); + } + this._errorState = 1; + return undefined; + } +}; + +/* +* Executes the hinting program for a glyph. +*/ +execGlyph = function(glyph, prepState) { + // original point positions + var xScale = prepState.ppem / prepState.font.unitsPerEm; + var yScale = xScale; + var components = glyph.components; + var contours; + var gZone; + var state; + + State.prototype = prepState; + if (!components) { + state = new State('glyf', glyph.instructions); + if (exports.DEBUG) { + console.log('---EXEC GLYPH---'); + state.step = -1; + } + execComponent(glyph, state, xScale, yScale); + gZone = state.gZone; + } else { + var font = prepState.font; + gZone = []; + contours = []; + for (var i = 0; i < components.length; i++) { + var c = components[i]; + var cg = font.glyphs.get(c.glyphIndex); + + state = new State('glyf', cg.instructions); + + if (exports.DEBUG) { + console.log('---EXEC COMP ' + i + '---'); + state.step = -1; + } + + execComponent(cg, state, xScale, yScale); + // appends the computed points to the result array + // post processes the component points + var dx = Math.round(c.dx * xScale); + var dy = Math.round(c.dy * yScale); + var gz = state.gZone; + var cc = state.contours; + for (var pi = 0; pi < gz.length; pi++) { + var p = gz[pi]; + p.xTouched = p.yTouched = false; + p.xo = p.x = p.x + dx; + p.yo = p.y = p.y + dy; + } + + var gLen = gZone.length; + gZone.push.apply(gZone, gz); + for (var j = 0; j < cc.length; j++) { + contours.push(cc[j] + gLen); + } + } + + if (glyph.instructions && !state.inhibitGridFit) { + // the composite has instructions on its own + state = new State('glyf', glyph.instructions); + + state.gZone = state.z0 = state.z1 = state.z2 = gZone; + + state.contours = contours; + + // note: HPZero cannot be used here, since + // the point might be modified + gZone.push( + new HPoint(0, 0), + new HPoint(Math.round(glyph.advanceWidth * xScale), 0) + ); + + if (exports.DEBUG) { + console.log('---EXEC COMPOSITE---'); + state.step = -1; + } + + exec(state); + + gZone.length -= 2; + } + } + + return gZone; +}; + +/* +* Executes the hinting program for a component of a multi-component glyph +* or of the glyph itself for a non-component glyph. +*/ +execComponent = function(glyph, state, xScale, yScale) +{ + var points = glyph.points || []; + var pLen = points.length; + var gZone = state.gZone = state.z0 = state.z1 = state.z2 = []; + var contours = state.contours = []; + + // Scales the original points and + // makes copies for the hinted points. + var cp; // current point + for (var i = 0; i < pLen; i++) { + cp = points[i]; + + gZone[i] = new HPoint( + cp.x * xScale, + cp.y * yScale, + cp.lastPointOfContour, + cp.onCurve + ); + } + + // Chain links the contours. + var sp; // start point + var np; // next point + + for (var i$1 = 0; i$1 < pLen; i$1++) { + cp = gZone[i$1]; + + if (!sp) { + sp = cp; + contours.push(i$1); + } + + if (cp.lastPointOfContour) { + cp.nextPointOnContour = sp; + sp.prevPointOnContour = cp; + sp = undefined; + } else { + np = gZone[i$1 + 1]; + cp.nextPointOnContour = np; + np.prevPointOnContour = cp; + } + } + + if (state.inhibitGridFit) { return; } + + if (exports.DEBUG) { + console.log('PROCESSING GLYPH', state.stack); + for (var i$2 = 0; i$2 < pLen; i$2++) { + console.log(i$2, gZone[i$2].x, gZone[i$2].y); + } + } + + gZone.push( + new HPoint(0, 0), + new HPoint(Math.round(glyph.advanceWidth * xScale), 0) + ); + + exec(state); + + // Removes the extra points. + gZone.length -= 2; + + if (exports.DEBUG) { + console.log('FINISHED GLYPH', state.stack); + for (var i$3 = 0; i$3 < pLen; i$3++) { + console.log(i$3, gZone[i$3].x, gZone[i$3].y); + } + } +}; + +/* +* Executes the program loaded in state. +*/ +exec = function(state) { + var prog = state.prog; + + if (!prog) { return; } + + var pLen = prog.length; + var ins; + + for (state.ip = 0; state.ip < pLen; state.ip++) { + if (exports.DEBUG) { state.step++; } + ins = instructionTable[prog[state.ip]]; + + if (!ins) { + throw new Error( + 'unknown instruction: 0x' + + Number(prog[state.ip]).toString(16) + ); + } + + ins(state); + + // very extensive debugging for each step + /* + if (exports.DEBUG) { + var da; + if (state.gZone) { + da = []; + for (let i = 0; i < state.gZone.length; i++) + { + da.push(i + ' ' + + state.gZone[i].x * 64 + ' ' + + state.gZone[i].y * 64 + ' ' + + (state.gZone[i].xTouched ? 'x' : '') + + (state.gZone[i].yTouched ? 'y' : '') + ); + } + console.log('GZ', da); + } + + if (state.tZone) { + da = []; + for (let i = 0; i < state.tZone.length; i++) { + da.push(i + ' ' + + state.tZone[i].x * 64 + ' ' + + state.tZone[i].y * 64 + ' ' + + (state.tZone[i].xTouched ? 'x' : '') + + (state.tZone[i].yTouched ? 'y' : '') + ); + } + console.log('TZ', da); + } + + if (state.stack.length > 10) { + console.log( + state.stack.length, + '...', state.stack.slice(state.stack.length - 10) + ); + } else { + console.log(state.stack.length, state.stack); + } + } + */ + } +}; + +/* +* Initializes the twilight zone. +* +* This is only done if a SZPx instruction +* refers to the twilight zone. +*/ +function initTZone(state) +{ + var tZone = state.tZone = new Array(state.gZone.length); + + // no idea if this is actually correct... + for (var i = 0; i < tZone.length; i++) + { + tZone[i] = new HPoint(0, 0); + } +} + +/* +* Skips the instruction pointer ahead over an IF/ELSE block. +* handleElse .. if true breaks on matching ELSE +*/ +function skip(state, handleElse) +{ + var prog = state.prog; + var ip = state.ip; + var nesting = 1; + var ins; + + do { + ins = prog[++ip]; + if (ins === 0x58) // IF + { nesting++; } + else if (ins === 0x59) // EIF + { nesting--; } + else if (ins === 0x40) // NPUSHB + { ip += prog[ip + 1] + 1; } + else if (ins === 0x41) // NPUSHW + { ip += 2 * prog[ip + 1] + 1; } + else if (ins >= 0xB0 && ins <= 0xB7) // PUSHB + { ip += ins - 0xB0 + 1; } + else if (ins >= 0xB8 && ins <= 0xBF) // PUSHW + { ip += (ins - 0xB8 + 1) * 2; } + else if (handleElse && nesting === 1 && ins === 0x1B) // ELSE + { break; } + } while (nesting > 0); + + state.ip = ip; +} + +/*----------------------------------------------------------* +* And then a lot of instructions... * +*----------------------------------------------------------*/ + +// SVTCA[a] Set freedom and projection Vectors To Coordinate Axis +// 0x00-0x01 +function SVTCA(v, state) { + if (exports.DEBUG) { console.log(state.step, 'SVTCA[' + v.axis + ']'); } + + state.fv = state.pv = state.dpv = v; +} + +// SPVTCA[a] Set Projection Vector to Coordinate Axis +// 0x02-0x03 +function SPVTCA(v, state) { + if (exports.DEBUG) { console.log(state.step, 'SPVTCA[' + v.axis + ']'); } + + state.pv = state.dpv = v; +} + +// SFVTCA[a] Set Freedom Vector to Coordinate Axis +// 0x04-0x05 +function SFVTCA(v, state) { + if (exports.DEBUG) { console.log(state.step, 'SFVTCA[' + v.axis + ']'); } + + state.fv = v; +} + +// SPVTL[a] Set Projection Vector To Line +// 0x06-0x07 +function SPVTL(a, state) { + var stack = state.stack; + var p2i = stack.pop(); + var p1i = stack.pop(); + var p2 = state.z2[p2i]; + var p1 = state.z1[p1i]; + + if (exports.DEBUG) { console.log('SPVTL[' + a + ']', p2i, p1i); } + + var dx; + var dy; + + if (!a) { + dx = p1.x - p2.x; + dy = p1.y - p2.y; + } else { + dx = p2.y - p1.y; + dy = p1.x - p2.x; + } + + state.pv = state.dpv = getUnitVector(dx, dy); +} + +// SFVTL[a] Set Freedom Vector To Line +// 0x08-0x09 +function SFVTL(a, state) { + var stack = state.stack; + var p2i = stack.pop(); + var p1i = stack.pop(); + var p2 = state.z2[p2i]; + var p1 = state.z1[p1i]; + + if (exports.DEBUG) { console.log('SFVTL[' + a + ']', p2i, p1i); } + + var dx; + var dy; + + if (!a) { + dx = p1.x - p2.x; + dy = p1.y - p2.y; + } else { + dx = p2.y - p1.y; + dy = p1.x - p2.x; + } + + state.fv = getUnitVector(dx, dy); +} + +// SPVFS[] Set Projection Vector From Stack +// 0x0A +function SPVFS(state) { + var stack = state.stack; + var y = stack.pop(); + var x = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SPVFS[]', y, x); } + + state.pv = state.dpv = getUnitVector(x, y); +} + +// SFVFS[] Set Freedom Vector From Stack +// 0x0B +function SFVFS(state) { + var stack = state.stack; + var y = stack.pop(); + var x = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SPVFS[]', y, x); } + + state.fv = getUnitVector(x, y); +} + +// GPV[] Get Projection Vector +// 0x0C +function GPV(state) { + var stack = state.stack; + var pv = state.pv; + + if (exports.DEBUG) { console.log(state.step, 'GPV[]'); } + + stack.push(pv.x * 0x4000); + stack.push(pv.y * 0x4000); +} + +// GFV[] Get Freedom Vector +// 0x0C +function GFV(state) { + var stack = state.stack; + var fv = state.fv; + + if (exports.DEBUG) { console.log(state.step, 'GFV[]'); } + + stack.push(fv.x * 0x4000); + stack.push(fv.y * 0x4000); +} + +// SFVTPV[] Set Freedom Vector To Projection Vector +// 0x0E +function SFVTPV(state) { + state.fv = state.pv; + + if (exports.DEBUG) { console.log(state.step, 'SFVTPV[]'); } +} + +// ISECT[] moves point p to the InterSECTion of two lines +// 0x0F +function ISECT(state) +{ + var stack = state.stack; + var pa0i = stack.pop(); + var pa1i = stack.pop(); + var pb0i = stack.pop(); + var pb1i = stack.pop(); + var pi = stack.pop(); + var z0 = state.z0; + var z1 = state.z1; + var pa0 = z0[pa0i]; + var pa1 = z0[pa1i]; + var pb0 = z1[pb0i]; + var pb1 = z1[pb1i]; + var p = state.z2[pi]; + + if (exports.DEBUG) { console.log('ISECT[], ', pa0i, pa1i, pb0i, pb1i, pi); } + + // math from + // en.wikipedia.org/wiki/Line%E2%80%93line_intersection#Given_two_points_on_each_line + + var x1 = pa0.x; + var y1 = pa0.y; + var x2 = pa1.x; + var y2 = pa1.y; + var x3 = pb0.x; + var y3 = pb0.y; + var x4 = pb1.x; + var y4 = pb1.y; + + var div = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4); + var f1 = x1 * y2 - y1 * x2; + var f2 = x3 * y4 - y3 * x4; + + p.x = (f1 * (x3 - x4) - f2 * (x1 - x2)) / div; + p.y = (f1 * (y3 - y4) - f2 * (y1 - y2)) / div; +} + +// SRP0[] Set Reference Point 0 +// 0x10 +function SRP0(state) { + state.rp0 = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SRP0[]', state.rp0); } +} + +// SRP1[] Set Reference Point 1 +// 0x11 +function SRP1(state) { + state.rp1 = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SRP1[]', state.rp1); } +} + +// SRP1[] Set Reference Point 2 +// 0x12 +function SRP2(state) { + state.rp2 = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SRP2[]', state.rp2); } +} + +// SZP0[] Set Zone Pointer 0 +// 0x13 +function SZP0(state) { + var n = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SZP0[]', n); } + + state.zp0 = n; + + switch (n) { + case 0: + if (!state.tZone) { initTZone(state); } + state.z0 = state.tZone; + break; + case 1 : + state.z0 = state.gZone; + break; + default : + throw new Error('Invalid zone pointer'); + } +} + +// SZP1[] Set Zone Pointer 1 +// 0x14 +function SZP1(state) { + var n = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SZP1[]', n); } + + state.zp1 = n; + + switch (n) { + case 0: + if (!state.tZone) { initTZone(state); } + state.z1 = state.tZone; + break; + case 1 : + state.z1 = state.gZone; + break; + default : + throw new Error('Invalid zone pointer'); + } +} + +// SZP2[] Set Zone Pointer 2 +// 0x15 +function SZP2(state) { + var n = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SZP2[]', n); } + + state.zp2 = n; + + switch (n) { + case 0: + if (!state.tZone) { initTZone(state); } + state.z2 = state.tZone; + break; + case 1 : + state.z2 = state.gZone; + break; + default : + throw new Error('Invalid zone pointer'); + } +} + +// SZPS[] Set Zone PointerS +// 0x16 +function SZPS(state) { + var n = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SZPS[]', n); } + + state.zp0 = state.zp1 = state.zp2 = n; + + switch (n) { + case 0: + if (!state.tZone) { initTZone(state); } + state.z0 = state.z1 = state.z2 = state.tZone; + break; + case 1 : + state.z0 = state.z1 = state.z2 = state.gZone; + break; + default : + throw new Error('Invalid zone pointer'); + } +} + +// SLOOP[] Set LOOP variable +// 0x17 +function SLOOP(state) { + state.loop = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SLOOP[]', state.loop); } +} + +// RTG[] Round To Grid +// 0x18 +function RTG(state) { + if (exports.DEBUG) { console.log(state.step, 'RTG[]'); } + + state.round = roundToGrid; +} + +// RTHG[] Round To Half Grid +// 0x19 +function RTHG(state) { + if (exports.DEBUG) { console.log(state.step, 'RTHG[]'); } + + state.round = roundToHalfGrid; +} + +// SMD[] Set Minimum Distance +// 0x1A +function SMD(state) { + var d = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SMD[]', d); } + + state.minDis = d / 0x40; +} + +// ELSE[] ELSE clause +// 0x1B +function ELSE(state) { + // This instruction has been reached by executing a then branch + // so it just skips ahead until matching EIF. + // + // In case the IF was negative the IF[] instruction already + // skipped forward over the ELSE[] + + if (exports.DEBUG) { console.log(state.step, 'ELSE[]'); } + + skip(state, false); +} + +// JMPR[] JuMP Relative +// 0x1C +function JMPR(state) { + var o = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'JMPR[]', o); } + + // A jump by 1 would do nothing. + state.ip += o - 1; +} + +// SCVTCI[] Set Control Value Table Cut-In +// 0x1D +function SCVTCI(state) { + var n = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SCVTCI[]', n); } + + state.cvCutIn = n / 0x40; +} + +// DUP[] DUPlicate top stack element +// 0x20 +function DUP(state) { + var stack = state.stack; + + if (exports.DEBUG) { console.log(state.step, 'DUP[]'); } + + stack.push(stack[stack.length - 1]); +} + +// POP[] POP top stack element +// 0x21 +function POP(state) { + if (exports.DEBUG) { console.log(state.step, 'POP[]'); } + + state.stack.pop(); +} + +// CLEAR[] CLEAR the stack +// 0x22 +function CLEAR(state) { + if (exports.DEBUG) { console.log(state.step, 'CLEAR[]'); } + + state.stack.length = 0; +} + +// SWAP[] SWAP the top two elements on the stack +// 0x23 +function SWAP(state) { + var stack = state.stack; + + var a = stack.pop(); + var b = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SWAP[]'); } + + stack.push(a); + stack.push(b); +} + +// DEPTH[] DEPTH of the stack +// 0x24 +function DEPTH(state) { + var stack = state.stack; + + if (exports.DEBUG) { console.log(state.step, 'DEPTH[]'); } + + stack.push(stack.length); +} + +// LOOPCALL[] LOOPCALL function +// 0x2A +function LOOPCALL(state) { + var stack = state.stack; + var fn = stack.pop(); + var c = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'LOOPCALL[]', fn, c); } + + // saves callers program + var cip = state.ip; + var cprog = state.prog; + + state.prog = state.funcs[fn]; + + // executes the function + for (var i = 0; i < c; i++) { + exec(state); + + if (exports.DEBUG) { console.log( + ++state.step, + i + 1 < c ? 'next loopcall' : 'done loopcall', + i + ); } + } + + // restores the callers program + state.ip = cip; + state.prog = cprog; +} + +// CALL[] CALL function +// 0x2B +function CALL(state) { + var fn = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'CALL[]', fn); } + + // saves callers program + var cip = state.ip; + var cprog = state.prog; + + state.prog = state.funcs[fn]; + + // executes the function + exec(state); + + // restores the callers program + state.ip = cip; + state.prog = cprog; + + if (exports.DEBUG) { console.log(++state.step, 'returning from', fn); } +} + +// CINDEX[] Copy the INDEXed element to the top of the stack +// 0x25 +function CINDEX(state) { + var stack = state.stack; + var k = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'CINDEX[]', k); } + + // In case of k == 1, it copies the last element after popping + // thus stack.length - k. + stack.push(stack[stack.length - k]); +} + +// MINDEX[] Move the INDEXed element to the top of the stack +// 0x26 +function MINDEX(state) { + var stack = state.stack; + var k = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'MINDEX[]', k); } + + stack.push(stack.splice(stack.length - k, 1)[0]); +} + +// FDEF[] Function DEFinition +// 0x2C +function FDEF(state) { + if (state.env !== 'fpgm') { throw new Error('FDEF not allowed here'); } + var stack = state.stack; + var prog = state.prog; + var ip = state.ip; + + var fn = stack.pop(); + var ipBegin = ip; + + if (exports.DEBUG) { console.log(state.step, 'FDEF[]', fn); } + + while (prog[++ip] !== 0x2D){ } + + state.ip = ip; + state.funcs[fn] = prog.slice(ipBegin + 1, ip); +} + +// MDAP[a] Move Direct Absolute Point +// 0x2E-0x2F +function MDAP(round, state) { + var pi = state.stack.pop(); + var p = state.z0[pi]; + var fv = state.fv; + var pv = state.pv; + + if (exports.DEBUG) { console.log(state.step, 'MDAP[' + round + ']', pi); } + + var d = pv.distance(p, HPZero); + + if (round) { d = state.round(d); } + + fv.setRelative(p, HPZero, d, pv); + fv.touch(p); + + state.rp0 = state.rp1 = pi; +} + +// IUP[a] Interpolate Untouched Points through the outline +// 0x30 +function IUP(v, state) { + var z2 = state.z2; + var pLen = z2.length - 2; + var cp; + var pp; + var np; + + if (exports.DEBUG) { console.log(state.step, 'IUP[' + v.axis + ']'); } + + for (var i = 0; i < pLen; i++) { + cp = z2[i]; // current point + + // if this point has been touched go on + if (v.touched(cp)) { continue; } + + pp = cp.prevTouched(v); + + // no point on the contour has been touched? + if (pp === cp) { continue; } + + np = cp.nextTouched(v); + + if (pp === np) { + // only one point on the contour has been touched + // so simply moves the point like that + + v.setRelative(cp, cp, v.distance(pp, pp, false, true), v, true); + } + + v.interpolate(cp, pp, np, v); + } +} + +// SHP[] SHift Point using reference point +// 0x32-0x33 +function SHP(a, state) { + var stack = state.stack; + var rpi = a ? state.rp1 : state.rp2; + var rp = (a ? state.z0 : state.z1)[rpi]; + var fv = state.fv; + var pv = state.pv; + var loop = state.loop; + var z2 = state.z2; + + while (loop--) + { + var pi = stack.pop(); + var p = z2[pi]; + + var d = pv.distance(rp, rp, false, true); + fv.setRelative(p, p, d, pv); + fv.touch(p); + + if (exports.DEBUG) { + console.log( + state.step, + (state.loop > 1 ? + 'loop ' + (state.loop - loop) + ': ' : + '' + ) + + 'SHP[' + (a ? 'rp1' : 'rp2') + ']', pi + ); + } + } + + state.loop = 1; +} + +// SHC[] SHift Contour using reference point +// 0x36-0x37 +function SHC(a, state) { + var stack = state.stack; + var rpi = a ? state.rp1 : state.rp2; + var rp = (a ? state.z0 : state.z1)[rpi]; + var fv = state.fv; + var pv = state.pv; + var ci = stack.pop(); + var sp = state.z2[state.contours[ci]]; + var p = sp; + + if (exports.DEBUG) { console.log(state.step, 'SHC[' + a + ']', ci); } + + var d = pv.distance(rp, rp, false, true); + + do { + if (p !== rp) { fv.setRelative(p, p, d, pv); } + p = p.nextPointOnContour; + } while (p !== sp); +} + +// SHZ[] SHift Zone using reference point +// 0x36-0x37 +function SHZ(a, state) { + var stack = state.stack; + var rpi = a ? state.rp1 : state.rp2; + var rp = (a ? state.z0 : state.z1)[rpi]; + var fv = state.fv; + var pv = state.pv; + + var e = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SHZ[' + a + ']', e); } + + var z; + switch (e) { + case 0 : z = state.tZone; break; + case 1 : z = state.gZone; break; + default : throw new Error('Invalid zone'); + } + + var p; + var d = pv.distance(rp, rp, false, true); + var pLen = z.length - 2; + for (var i = 0; i < pLen; i++) + { + p = z[i]; + fv.setRelative(p, p, d, pv); + //if (p !== rp) fv.setRelative(p, p, d, pv); + } +} + +// SHPIX[] SHift point by a PIXel amount +// 0x38 +function SHPIX(state) { + var stack = state.stack; + var loop = state.loop; + var fv = state.fv; + var d = stack.pop() / 0x40; + var z2 = state.z2; + + while (loop--) { + var pi = stack.pop(); + var p = z2[pi]; + + if (exports.DEBUG) { + console.log( + state.step, + (state.loop > 1 ? 'loop ' + (state.loop - loop) + ': ' : '') + + 'SHPIX[]', pi, d + ); + } + + fv.setRelative(p, p, d); + fv.touch(p); + } + + state.loop = 1; +} + +// IP[] Interpolate Point +// 0x39 +function IP(state) { + var stack = state.stack; + var rp1i = state.rp1; + var rp2i = state.rp2; + var loop = state.loop; + var rp1 = state.z0[rp1i]; + var rp2 = state.z1[rp2i]; + var fv = state.fv; + var pv = state.dpv; + var z2 = state.z2; + + while (loop--) { + var pi = stack.pop(); + var p = z2[pi]; + + if (exports.DEBUG) { + console.log( + state.step, + (state.loop > 1 ? 'loop ' + (state.loop - loop) + ': ' : '') + + 'IP[]', pi, rp1i, '<->', rp2i + ); + } + + fv.interpolate(p, rp1, rp2, pv); + + fv.touch(p); + } + + state.loop = 1; +} + +// MSIRP[a] Move Stack Indirect Relative Point +// 0x3A-0x3B +function MSIRP(a, state) { + var stack = state.stack; + var d = stack.pop() / 64; + var pi = stack.pop(); + var p = state.z1[pi]; + var rp0 = state.z0[state.rp0]; + var fv = state.fv; + var pv = state.pv; + + fv.setRelative(p, rp0, d, pv); + fv.touch(p); + + if (exports.DEBUG) { console.log(state.step, 'MSIRP[' + a + ']', d, pi); } + + state.rp1 = state.rp0; + state.rp2 = pi; + if (a) { state.rp0 = pi; } +} + +// ALIGNRP[] Align to reference point. +// 0x3C +function ALIGNRP(state) { + var stack = state.stack; + var rp0i = state.rp0; + var rp0 = state.z0[rp0i]; + var loop = state.loop; + var fv = state.fv; + var pv = state.pv; + var z1 = state.z1; + + while (loop--) { + var pi = stack.pop(); + var p = z1[pi]; + + if (exports.DEBUG) { + console.log( + state.step, + (state.loop > 1 ? 'loop ' + (state.loop - loop) + ': ' : '') + + 'ALIGNRP[]', pi + ); + } + + fv.setRelative(p, rp0, 0, pv); + fv.touch(p); + } + + state.loop = 1; +} + +// RTG[] Round To Double Grid +// 0x3D +function RTDG(state) { + if (exports.DEBUG) { console.log(state.step, 'RTDG[]'); } + + state.round = roundToDoubleGrid; +} + +// MIAP[a] Move Indirect Absolute Point +// 0x3E-0x3F +function MIAP(round, state) { + var stack = state.stack; + var n = stack.pop(); + var pi = stack.pop(); + var p = state.z0[pi]; + var fv = state.fv; + var pv = state.pv; + var cv = state.cvt[n]; + + if (exports.DEBUG) { + console.log( + state.step, + 'MIAP[' + round + ']', + n, '(', cv, ')', pi + ); + } + + var d = pv.distance(p, HPZero); + + if (round) { + if (Math.abs(d - cv) < state.cvCutIn) { d = cv; } + + d = state.round(d); + } + + fv.setRelative(p, HPZero, d, pv); + + if (state.zp0 === 0) { + p.xo = p.x; + p.yo = p.y; + } + + fv.touch(p); + + state.rp0 = state.rp1 = pi; +} + +// NPUSB[] PUSH N Bytes +// 0x40 +function NPUSHB(state) { + var prog = state.prog; + var ip = state.ip; + var stack = state.stack; + + var n = prog[++ip]; + + if (exports.DEBUG) { console.log(state.step, 'NPUSHB[]', n); } + + for (var i = 0; i < n; i++) { stack.push(prog[++ip]); } + + state.ip = ip; +} + +// NPUSHW[] PUSH N Words +// 0x41 +function NPUSHW(state) { + var ip = state.ip; + var prog = state.prog; + var stack = state.stack; + var n = prog[++ip]; + + if (exports.DEBUG) { console.log(state.step, 'NPUSHW[]', n); } + + for (var i = 0; i < n; i++) { + var w = (prog[++ip] << 8) | prog[++ip]; + if (w & 0x8000) { w = -((w ^ 0xffff) + 1); } + stack.push(w); + } + + state.ip = ip; +} + +// WS[] Write Store +// 0x42 +function WS(state) { + var stack = state.stack; + var store = state.store; + + if (!store) { store = state.store = []; } + + var v = stack.pop(); + var l = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'WS', v, l); } + + store[l] = v; +} + +// RS[] Read Store +// 0x43 +function RS(state) { + var stack = state.stack; + var store = state.store; + + var l = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'RS', l); } + + var v = (store && store[l]) || 0; + + stack.push(v); +} + +// WCVTP[] Write Control Value Table in Pixel units +// 0x44 +function WCVTP(state) { + var stack = state.stack; + + var v = stack.pop(); + var l = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'WCVTP', v, l); } + + state.cvt[l] = v / 0x40; +} + +// RCVT[] Read Control Value Table entry +// 0x45 +function RCVT(state) { + var stack = state.stack; + var cvte = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'RCVT', cvte); } + + stack.push(state.cvt[cvte] * 0x40); +} + +// GC[] Get Coordinate projected onto the projection vector +// 0x46-0x47 +function GC(a, state) { + var stack = state.stack; + var pi = stack.pop(); + var p = state.z2[pi]; + + if (exports.DEBUG) { console.log(state.step, 'GC[' + a + ']', pi); } + + stack.push(state.dpv.distance(p, HPZero, a, false) * 0x40); +} + +// MD[a] Measure Distance +// 0x49-0x4A +function MD(a, state) { + var stack = state.stack; + var pi2 = stack.pop(); + var pi1 = stack.pop(); + var p2 = state.z1[pi2]; + var p1 = state.z0[pi1]; + var d = state.dpv.distance(p1, p2, a, a); + + if (exports.DEBUG) { console.log(state.step, 'MD[' + a + ']', pi2, pi1, '->', d); } + + state.stack.push(Math.round(d * 64)); +} + +// MPPEM[] Measure Pixels Per EM +// 0x4B +function MPPEM(state) { + if (exports.DEBUG) { console.log(state.step, 'MPPEM[]'); } + state.stack.push(state.ppem); +} + +// FLIPON[] set the auto FLIP Boolean to ON +// 0x4D +function FLIPON(state) { + if (exports.DEBUG) { console.log(state.step, 'FLIPON[]'); } + state.autoFlip = true; +} + +// LT[] Less Than +// 0x50 +function LT(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'LT[]', e2, e1); } + + stack.push(e1 < e2 ? 1 : 0); +} + +// LTEQ[] Less Than or EQual +// 0x53 +function LTEQ(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'LTEQ[]', e2, e1); } + + stack.push(e1 <= e2 ? 1 : 0); +} + +// GTEQ[] Greater Than +// 0x52 +function GT(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'GT[]', e2, e1); } + + stack.push(e1 > e2 ? 1 : 0); +} + +// GTEQ[] Greater Than or EQual +// 0x53 +function GTEQ(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'GTEQ[]', e2, e1); } + + stack.push(e1 >= e2 ? 1 : 0); +} + +// EQ[] EQual +// 0x54 +function EQ(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'EQ[]', e2, e1); } + + stack.push(e2 === e1 ? 1 : 0); +} + +// NEQ[] Not EQual +// 0x55 +function NEQ(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'NEQ[]', e2, e1); } + + stack.push(e2 !== e1 ? 1 : 0); +} + +// ODD[] ODD +// 0x56 +function ODD(state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'ODD[]', n); } + + stack.push(Math.trunc(n) % 2 ? 1 : 0); +} + +// EVEN[] EVEN +// 0x57 +function EVEN(state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'EVEN[]', n); } + + stack.push(Math.trunc(n) % 2 ? 0 : 1); +} + +// IF[] IF test +// 0x58 +function IF(state) { + var test = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'IF[]', test); } + + // if test is true it just continues + // if not the ip is skipped until matching ELSE or EIF + if (!test) { + skip(state, true); + + if (exports.DEBUG) { console.log(state.step, 'EIF[]'); } + } +} + +// EIF[] End IF +// 0x59 +function EIF(state) { + // this can be reached normally when + // executing an else branch. + // -> just ignore it + + if (exports.DEBUG) { console.log(state.step, 'EIF[]'); } +} + +// AND[] logical AND +// 0x5A +function AND(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'AND[]', e2, e1); } + + stack.push(e2 && e1 ? 1 : 0); +} + +// OR[] logical OR +// 0x5B +function OR(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'OR[]', e2, e1); } + + stack.push(e2 || e1 ? 1 : 0); +} + +// NOT[] logical NOT +// 0x5C +function NOT(state) { + var stack = state.stack; + var e = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'NOT[]', e); } + + stack.push(e ? 0 : 1); +} + +// DELTAP1[] DELTA exception P1 +// DELTAP2[] DELTA exception P2 +// DELTAP3[] DELTA exception P3 +// 0x5D, 0x71, 0x72 +function DELTAP123(b, state) { + var stack = state.stack; + var n = stack.pop(); + var fv = state.fv; + var pv = state.pv; + var ppem = state.ppem; + var base = state.deltaBase + (b - 1) * 16; + var ds = state.deltaShift; + var z0 = state.z0; + + if (exports.DEBUG) { console.log(state.step, 'DELTAP[' + b + ']', n, stack); } + + for (var i = 0; i < n; i++) { + var pi = stack.pop(); + var arg = stack.pop(); + var appem = base + ((arg & 0xF0) >> 4); + if (appem !== ppem) { continue; } + + var mag = (arg & 0x0F) - 8; + if (mag >= 0) { mag++; } + if (exports.DEBUG) { console.log(state.step, 'DELTAPFIX', pi, 'by', mag * ds); } + + var p = z0[pi]; + fv.setRelative(p, p, mag * ds, pv); + } +} + +// SDB[] Set Delta Base in the graphics state +// 0x5E +function SDB(state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SDB[]', n); } + + state.deltaBase = n; +} + +// SDS[] Set Delta Shift in the graphics state +// 0x5F +function SDS(state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SDS[]', n); } + + state.deltaShift = Math.pow(0.5, n); +} + +// ADD[] ADD +// 0x60 +function ADD(state) { + var stack = state.stack; + var n2 = stack.pop(); + var n1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'ADD[]', n2, n1); } + + stack.push(n1 + n2); +} + +// SUB[] SUB +// 0x61 +function SUB(state) { + var stack = state.stack; + var n2 = stack.pop(); + var n1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SUB[]', n2, n1); } + + stack.push(n1 - n2); +} + +// DIV[] DIV +// 0x62 +function DIV(state) { + var stack = state.stack; + var n2 = stack.pop(); + var n1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'DIV[]', n2, n1); } + + stack.push(n1 * 64 / n2); +} + +// MUL[] MUL +// 0x63 +function MUL(state) { + var stack = state.stack; + var n2 = stack.pop(); + var n1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'MUL[]', n2, n1); } + + stack.push(n1 * n2 / 64); +} + +// ABS[] ABSolute value +// 0x64 +function ABS(state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'ABS[]', n); } + + stack.push(Math.abs(n)); +} + +// NEG[] NEGate +// 0x65 +function NEG(state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'NEG[]', n); } + + stack.push(-n); +} + +// FLOOR[] FLOOR +// 0x66 +function FLOOR(state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'FLOOR[]', n); } + + stack.push(Math.floor(n / 0x40) * 0x40); +} + +// CEILING[] CEILING +// 0x67 +function CEILING(state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'CEILING[]', n); } + + stack.push(Math.ceil(n / 0x40) * 0x40); +} + +// ROUND[ab] ROUND value +// 0x68-0x6B +function ROUND(dt, state) { + var stack = state.stack; + var n = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'ROUND[]'); } + + stack.push(state.round(n / 0x40) * 0x40); +} + +// WCVTF[] Write Control Value Table in Funits +// 0x70 +function WCVTF(state) { + var stack = state.stack; + var v = stack.pop(); + var l = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'WCVTF[]', v, l); } + + state.cvt[l] = v * state.ppem / state.font.unitsPerEm; +} + +// DELTAC1[] DELTA exception C1 +// DELTAC2[] DELTA exception C2 +// DELTAC3[] DELTA exception C3 +// 0x73, 0x74, 0x75 +function DELTAC123(b, state) { + var stack = state.stack; + var n = stack.pop(); + var ppem = state.ppem; + var base = state.deltaBase + (b - 1) * 16; + var ds = state.deltaShift; + + if (exports.DEBUG) { console.log(state.step, 'DELTAC[' + b + ']', n, stack); } + + for (var i = 0; i < n; i++) { + var c = stack.pop(); + var arg = stack.pop(); + var appem = base + ((arg & 0xF0) >> 4); + if (appem !== ppem) { continue; } + + var mag = (arg & 0x0F) - 8; + if (mag >= 0) { mag++; } + + var delta = mag * ds; + + if (exports.DEBUG) { console.log(state.step, 'DELTACFIX', c, 'by', delta); } + + state.cvt[c] += delta; + } +} + +// SROUND[] Super ROUND +// 0x76 +function SROUND(state) { + var n = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'SROUND[]', n); } + + state.round = roundSuper; + + var period; + + switch (n & 0xC0) { + case 0x00: + period = 0.5; + break; + case 0x40: + period = 1; + break; + case 0x80: + period = 2; + break; + default: + throw new Error('invalid SROUND value'); + } + + state.srPeriod = period; + + switch (n & 0x30) { + case 0x00: + state.srPhase = 0; + break; + case 0x10: + state.srPhase = 0.25 * period; + break; + case 0x20: + state.srPhase = 0.5 * period; + break; + case 0x30: + state.srPhase = 0.75 * period; + break; + default: throw new Error('invalid SROUND value'); + } + + n &= 0x0F; + + if (n === 0) { state.srThreshold = 0; } + else { state.srThreshold = (n / 8 - 0.5) * period; } +} + +// S45ROUND[] Super ROUND 45 degrees +// 0x77 +function S45ROUND(state) { + var n = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'S45ROUND[]', n); } + + state.round = roundSuper; + + var period; + + switch (n & 0xC0) { + case 0x00: + period = Math.sqrt(2) / 2; + break; + case 0x40: + period = Math.sqrt(2); + break; + case 0x80: + period = 2 * Math.sqrt(2); + break; + default: + throw new Error('invalid S45ROUND value'); + } + + state.srPeriod = period; + + switch (n & 0x30) { + case 0x00: + state.srPhase = 0; + break; + case 0x10: + state.srPhase = 0.25 * period; + break; + case 0x20: + state.srPhase = 0.5 * period; + break; + case 0x30: + state.srPhase = 0.75 * period; + break; + default: + throw new Error('invalid S45ROUND value'); + } + + n &= 0x0F; + + if (n === 0) { state.srThreshold = 0; } + else { state.srThreshold = (n / 8 - 0.5) * period; } +} + +// ROFF[] Round Off +// 0x7A +function ROFF(state) { + if (exports.DEBUG) { console.log(state.step, 'ROFF[]'); } + + state.round = roundOff; +} + +// RUTG[] Round Up To Grid +// 0x7C +function RUTG(state) { + if (exports.DEBUG) { console.log(state.step, 'RUTG[]'); } + + state.round = roundUpToGrid; +} + +// RDTG[] Round Down To Grid +// 0x7D +function RDTG(state) { + if (exports.DEBUG) { console.log(state.step, 'RDTG[]'); } + + state.round = roundDownToGrid; +} + +// SCANCTRL[] SCAN conversion ConTRoL +// 0x85 +function SCANCTRL(state) { + var n = state.stack.pop(); + + // ignored by opentype.js + + if (exports.DEBUG) { console.log(state.step, 'SCANCTRL[]', n); } +} + +// SDPVTL[a] Set Dual Projection Vector To Line +// 0x86-0x87 +function SDPVTL(a, state) { + var stack = state.stack; + var p2i = stack.pop(); + var p1i = stack.pop(); + var p2 = state.z2[p2i]; + var p1 = state.z1[p1i]; + + if (exports.DEBUG) { console.log(state.step, 'SDPVTL[' + a + ']', p2i, p1i); } + + var dx; + var dy; + + if (!a) { + dx = p1.x - p2.x; + dy = p1.y - p2.y; + } else { + dx = p2.y - p1.y; + dy = p1.x - p2.x; + } + + state.dpv = getUnitVector(dx, dy); +} + +// GETINFO[] GET INFOrmation +// 0x88 +function GETINFO(state) { + var stack = state.stack; + var sel = stack.pop(); + var r = 0; + + if (exports.DEBUG) { console.log(state.step, 'GETINFO[]', sel); } + + // v35 as in no subpixel hinting + if (sel & 0x01) { r = 35; } + + // TODO rotation and stretch currently not supported + // and thus those GETINFO are always 0. + + // opentype.js is always gray scaling + if (sel & 0x20) { r |= 0x1000; } + + stack.push(r); +} + +// ROLL[] ROLL the top three stack elements +// 0x8A +function ROLL(state) { + var stack = state.stack; + var a = stack.pop(); + var b = stack.pop(); + var c = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'ROLL[]'); } + + stack.push(b); + stack.push(a); + stack.push(c); +} + +// MAX[] MAXimum of top two stack elements +// 0x8B +function MAX(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'MAX[]', e2, e1); } + + stack.push(Math.max(e1, e2)); +} + +// MIN[] MINimum of top two stack elements +// 0x8C +function MIN(state) { + var stack = state.stack; + var e2 = stack.pop(); + var e1 = stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'MIN[]', e2, e1); } + + stack.push(Math.min(e1, e2)); +} + +// SCANTYPE[] SCANTYPE +// 0x8D +function SCANTYPE(state) { + var n = state.stack.pop(); + // ignored by opentype.js + if (exports.DEBUG) { console.log(state.step, 'SCANTYPE[]', n); } +} + +// INSTCTRL[] INSTCTRL +// 0x8D +function INSTCTRL(state) { + var s = state.stack.pop(); + var v = state.stack.pop(); + + if (exports.DEBUG) { console.log(state.step, 'INSTCTRL[]', s, v); } + + switch (s) { + case 1 : state.inhibitGridFit = !!v; return; + case 2 : state.ignoreCvt = !!v; return; + default: throw new Error('invalid INSTCTRL[] selector'); + } +} + +// PUSHB[abc] PUSH Bytes +// 0xB0-0xB7 +function PUSHB(n, state) { + var stack = state.stack; + var prog = state.prog; + var ip = state.ip; + + if (exports.DEBUG) { console.log(state.step, 'PUSHB[' + n + ']'); } + + for (var i = 0; i < n; i++) { stack.push(prog[++ip]); } + + state.ip = ip; +} + +// PUSHW[abc] PUSH Words +// 0xB8-0xBF +function PUSHW(n, state) { + var ip = state.ip; + var prog = state.prog; + var stack = state.stack; + + if (exports.DEBUG) { console.log(state.ip, 'PUSHW[' + n + ']'); } + + for (var i = 0; i < n; i++) { + var w = (prog[++ip] << 8) | prog[++ip]; + if (w & 0x8000) { w = -((w ^ 0xffff) + 1); } + stack.push(w); + } + + state.ip = ip; +} + +// MDRP[abcde] Move Direct Relative Point +// 0xD0-0xEF +// (if indirect is 0) +// +// and +// +// MIRP[abcde] Move Indirect Relative Point +// 0xE0-0xFF +// (if indirect is 1) + +function MDRP_MIRP(indirect, setRp0, keepD, ro, dt, state) { + var stack = state.stack; + var cvte = indirect && stack.pop(); + var pi = stack.pop(); + var rp0i = state.rp0; + var rp = state.z0[rp0i]; + var p = state.z1[pi]; + + var md = state.minDis; + var fv = state.fv; + var pv = state.dpv; + var od; // original distance + var d; // moving distance + var sign; // sign of distance + var cv; + + d = od = pv.distance(p, rp, true, true); + sign = d >= 0 ? 1 : -1; // Math.sign would be 0 in case of 0 + + // TODO consider autoFlip + d = Math.abs(d); + + if (indirect) { + cv = state.cvt[cvte]; + + if (ro && Math.abs(d - cv) < state.cvCutIn) { d = cv; } + } + + if (keepD && d < md) { d = md; } + + if (ro) { d = state.round(d); } + + fv.setRelative(p, rp, sign * d, pv); + fv.touch(p); + + if (exports.DEBUG) { + console.log( + state.step, + (indirect ? 'MIRP[' : 'MDRP[') + + (setRp0 ? 'M' : 'm') + + (keepD ? '>' : '_') + + (ro ? 'R' : '_') + + (dt === 0 ? 'Gr' : (dt === 1 ? 'Bl' : (dt === 2 ? 'Wh' : ''))) + + ']', + indirect ? + cvte + '(' + state.cvt[cvte] + ',' + cv + ')' : + '', + pi, + '(d =', od, '->', sign * d, ')' + ); + } + + state.rp1 = state.rp0; + state.rp2 = pi; + if (setRp0) { state.rp0 = pi; } +} + +/* +* The instruction table. +*/ +instructionTable = [ + /* 0x00 */ SVTCA.bind(undefined, yUnitVector), + /* 0x01 */ SVTCA.bind(undefined, xUnitVector), + /* 0x02 */ SPVTCA.bind(undefined, yUnitVector), + /* 0x03 */ SPVTCA.bind(undefined, xUnitVector), + /* 0x04 */ SFVTCA.bind(undefined, yUnitVector), + /* 0x05 */ SFVTCA.bind(undefined, xUnitVector), + /* 0x06 */ SPVTL.bind(undefined, 0), + /* 0x07 */ SPVTL.bind(undefined, 1), + /* 0x08 */ SFVTL.bind(undefined, 0), + /* 0x09 */ SFVTL.bind(undefined, 1), + /* 0x0A */ SPVFS, + /* 0x0B */ SFVFS, + /* 0x0C */ GPV, + /* 0x0D */ GFV, + /* 0x0E */ SFVTPV, + /* 0x0F */ ISECT, + /* 0x10 */ SRP0, + /* 0x11 */ SRP1, + /* 0x12 */ SRP2, + /* 0x13 */ SZP0, + /* 0x14 */ SZP1, + /* 0x15 */ SZP2, + /* 0x16 */ SZPS, + /* 0x17 */ SLOOP, + /* 0x18 */ RTG, + /* 0x19 */ RTHG, + /* 0x1A */ SMD, + /* 0x1B */ ELSE, + /* 0x1C */ JMPR, + /* 0x1D */ SCVTCI, + /* 0x1E */ undefined, // TODO SSWCI + /* 0x1F */ undefined, // TODO SSW + /* 0x20 */ DUP, + /* 0x21 */ POP, + /* 0x22 */ CLEAR, + /* 0x23 */ SWAP, + /* 0x24 */ DEPTH, + /* 0x25 */ CINDEX, + /* 0x26 */ MINDEX, + /* 0x27 */ undefined, // TODO ALIGNPTS + /* 0x28 */ undefined, + /* 0x29 */ undefined, // TODO UTP + /* 0x2A */ LOOPCALL, + /* 0x2B */ CALL, + /* 0x2C */ FDEF, + /* 0x2D */ undefined, // ENDF (eaten by FDEF) + /* 0x2E */ MDAP.bind(undefined, 0), + /* 0x2F */ MDAP.bind(undefined, 1), + /* 0x30 */ IUP.bind(undefined, yUnitVector), + /* 0x31 */ IUP.bind(undefined, xUnitVector), + /* 0x32 */ SHP.bind(undefined, 0), + /* 0x33 */ SHP.bind(undefined, 1), + /* 0x34 */ SHC.bind(undefined, 0), + /* 0x35 */ SHC.bind(undefined, 1), + /* 0x36 */ SHZ.bind(undefined, 0), + /* 0x37 */ SHZ.bind(undefined, 1), + /* 0x38 */ SHPIX, + /* 0x39 */ IP, + /* 0x3A */ MSIRP.bind(undefined, 0), + /* 0x3B */ MSIRP.bind(undefined, 1), + /* 0x3C */ ALIGNRP, + /* 0x3D */ RTDG, + /* 0x3E */ MIAP.bind(undefined, 0), + /* 0x3F */ MIAP.bind(undefined, 1), + /* 0x40 */ NPUSHB, + /* 0x41 */ NPUSHW, + /* 0x42 */ WS, + /* 0x43 */ RS, + /* 0x44 */ WCVTP, + /* 0x45 */ RCVT, + /* 0x46 */ GC.bind(undefined, 0), + /* 0x47 */ GC.bind(undefined, 1), + /* 0x48 */ undefined, // TODO SCFS + /* 0x49 */ MD.bind(undefined, 0), + /* 0x4A */ MD.bind(undefined, 1), + /* 0x4B */ MPPEM, + /* 0x4C */ undefined, // TODO MPS + /* 0x4D */ FLIPON, + /* 0x4E */ undefined, // TODO FLIPOFF + /* 0x4F */ undefined, // TODO DEBUG + /* 0x50 */ LT, + /* 0x51 */ LTEQ, + /* 0x52 */ GT, + /* 0x53 */ GTEQ, + /* 0x54 */ EQ, + /* 0x55 */ NEQ, + /* 0x56 */ ODD, + /* 0x57 */ EVEN, + /* 0x58 */ IF, + /* 0x59 */ EIF, + /* 0x5A */ AND, + /* 0x5B */ OR, + /* 0x5C */ NOT, + /* 0x5D */ DELTAP123.bind(undefined, 1), + /* 0x5E */ SDB, + /* 0x5F */ SDS, + /* 0x60 */ ADD, + /* 0x61 */ SUB, + /* 0x62 */ DIV, + /* 0x63 */ MUL, + /* 0x64 */ ABS, + /* 0x65 */ NEG, + /* 0x66 */ FLOOR, + /* 0x67 */ CEILING, + /* 0x68 */ ROUND.bind(undefined, 0), + /* 0x69 */ ROUND.bind(undefined, 1), + /* 0x6A */ ROUND.bind(undefined, 2), + /* 0x6B */ ROUND.bind(undefined, 3), + /* 0x6C */ undefined, // TODO NROUND[ab] + /* 0x6D */ undefined, // TODO NROUND[ab] + /* 0x6E */ undefined, // TODO NROUND[ab] + /* 0x6F */ undefined, // TODO NROUND[ab] + /* 0x70 */ WCVTF, + /* 0x71 */ DELTAP123.bind(undefined, 2), + /* 0x72 */ DELTAP123.bind(undefined, 3), + /* 0x73 */ DELTAC123.bind(undefined, 1), + /* 0x74 */ DELTAC123.bind(undefined, 2), + /* 0x75 */ DELTAC123.bind(undefined, 3), + /* 0x76 */ SROUND, + /* 0x77 */ S45ROUND, + /* 0x78 */ undefined, // TODO JROT[] + /* 0x79 */ undefined, // TODO JROF[] + /* 0x7A */ ROFF, + /* 0x7B */ undefined, + /* 0x7C */ RUTG, + /* 0x7D */ RDTG, + /* 0x7E */ POP, // actually SANGW, supposed to do only a pop though + /* 0x7F */ POP, // actually AA, supposed to do only a pop though + /* 0x80 */ undefined, // TODO FLIPPT + /* 0x81 */ undefined, // TODO FLIPRGON + /* 0x82 */ undefined, // TODO FLIPRGOFF + /* 0x83 */ undefined, + /* 0x84 */ undefined, + /* 0x85 */ SCANCTRL, + /* 0x86 */ SDPVTL.bind(undefined, 0), + /* 0x87 */ SDPVTL.bind(undefined, 1), + /* 0x88 */ GETINFO, + /* 0x89 */ undefined, // TODO IDEF + /* 0x8A */ ROLL, + /* 0x8B */ MAX, + /* 0x8C */ MIN, + /* 0x8D */ SCANTYPE, + /* 0x8E */ INSTCTRL, + /* 0x8F */ undefined, + /* 0x90 */ undefined, + /* 0x91 */ undefined, + /* 0x92 */ undefined, + /* 0x93 */ undefined, + /* 0x94 */ undefined, + /* 0x95 */ undefined, + /* 0x96 */ undefined, + /* 0x97 */ undefined, + /* 0x98 */ undefined, + /* 0x99 */ undefined, + /* 0x9A */ undefined, + /* 0x9B */ undefined, + /* 0x9C */ undefined, + /* 0x9D */ undefined, + /* 0x9E */ undefined, + /* 0x9F */ undefined, + /* 0xA0 */ undefined, + /* 0xA1 */ undefined, + /* 0xA2 */ undefined, + /* 0xA3 */ undefined, + /* 0xA4 */ undefined, + /* 0xA5 */ undefined, + /* 0xA6 */ undefined, + /* 0xA7 */ undefined, + /* 0xA8 */ undefined, + /* 0xA9 */ undefined, + /* 0xAA */ undefined, + /* 0xAB */ undefined, + /* 0xAC */ undefined, + /* 0xAD */ undefined, + /* 0xAE */ undefined, + /* 0xAF */ undefined, + /* 0xB0 */ PUSHB.bind(undefined, 1), + /* 0xB1 */ PUSHB.bind(undefined, 2), + /* 0xB2 */ PUSHB.bind(undefined, 3), + /* 0xB3 */ PUSHB.bind(undefined, 4), + /* 0xB4 */ PUSHB.bind(undefined, 5), + /* 0xB5 */ PUSHB.bind(undefined, 6), + /* 0xB6 */ PUSHB.bind(undefined, 7), + /* 0xB7 */ PUSHB.bind(undefined, 8), + /* 0xB8 */ PUSHW.bind(undefined, 1), + /* 0xB9 */ PUSHW.bind(undefined, 2), + /* 0xBA */ PUSHW.bind(undefined, 3), + /* 0xBB */ PUSHW.bind(undefined, 4), + /* 0xBC */ PUSHW.bind(undefined, 5), + /* 0xBD */ PUSHW.bind(undefined, 6), + /* 0xBE */ PUSHW.bind(undefined, 7), + /* 0xBF */ PUSHW.bind(undefined, 8), + /* 0xC0 */ MDRP_MIRP.bind(undefined, 0, 0, 0, 0, 0), + /* 0xC1 */ MDRP_MIRP.bind(undefined, 0, 0, 0, 0, 1), + /* 0xC2 */ MDRP_MIRP.bind(undefined, 0, 0, 0, 0, 2), + /* 0xC3 */ MDRP_MIRP.bind(undefined, 0, 0, 0, 0, 3), + /* 0xC4 */ MDRP_MIRP.bind(undefined, 0, 0, 0, 1, 0), + /* 0xC5 */ MDRP_MIRP.bind(undefined, 0, 0, 0, 1, 1), + /* 0xC6 */ MDRP_MIRP.bind(undefined, 0, 0, 0, 1, 2), + /* 0xC7 */ MDRP_MIRP.bind(undefined, 0, 0, 0, 1, 3), + /* 0xC8 */ MDRP_MIRP.bind(undefined, 0, 0, 1, 0, 0), + /* 0xC9 */ MDRP_MIRP.bind(undefined, 0, 0, 1, 0, 1), + /* 0xCA */ MDRP_MIRP.bind(undefined, 0, 0, 1, 0, 2), + /* 0xCB */ MDRP_MIRP.bind(undefined, 0, 0, 1, 0, 3), + /* 0xCC */ MDRP_MIRP.bind(undefined, 0, 0, 1, 1, 0), + /* 0xCD */ MDRP_MIRP.bind(undefined, 0, 0, 1, 1, 1), + /* 0xCE */ MDRP_MIRP.bind(undefined, 0, 0, 1, 1, 2), + /* 0xCF */ MDRP_MIRP.bind(undefined, 0, 0, 1, 1, 3), + /* 0xD0 */ MDRP_MIRP.bind(undefined, 0, 1, 0, 0, 0), + /* 0xD1 */ MDRP_MIRP.bind(undefined, 0, 1, 0, 0, 1), + /* 0xD2 */ MDRP_MIRP.bind(undefined, 0, 1, 0, 0, 2), + /* 0xD3 */ MDRP_MIRP.bind(undefined, 0, 1, 0, 0, 3), + /* 0xD4 */ MDRP_MIRP.bind(undefined, 0, 1, 0, 1, 0), + /* 0xD5 */ MDRP_MIRP.bind(undefined, 0, 1, 0, 1, 1), + /* 0xD6 */ MDRP_MIRP.bind(undefined, 0, 1, 0, 1, 2), + /* 0xD7 */ MDRP_MIRP.bind(undefined, 0, 1, 0, 1, 3), + /* 0xD8 */ MDRP_MIRP.bind(undefined, 0, 1, 1, 0, 0), + /* 0xD9 */ MDRP_MIRP.bind(undefined, 0, 1, 1, 0, 1), + /* 0xDA */ MDRP_MIRP.bind(undefined, 0, 1, 1, 0, 2), + /* 0xDB */ MDRP_MIRP.bind(undefined, 0, 1, 1, 0, 3), + /* 0xDC */ MDRP_MIRP.bind(undefined, 0, 1, 1, 1, 0), + /* 0xDD */ MDRP_MIRP.bind(undefined, 0, 1, 1, 1, 1), + /* 0xDE */ MDRP_MIRP.bind(undefined, 0, 1, 1, 1, 2), + /* 0xDF */ MDRP_MIRP.bind(undefined, 0, 1, 1, 1, 3), + /* 0xE0 */ MDRP_MIRP.bind(undefined, 1, 0, 0, 0, 0), + /* 0xE1 */ MDRP_MIRP.bind(undefined, 1, 0, 0, 0, 1), + /* 0xE2 */ MDRP_MIRP.bind(undefined, 1, 0, 0, 0, 2), + /* 0xE3 */ MDRP_MIRP.bind(undefined, 1, 0, 0, 0, 3), + /* 0xE4 */ MDRP_MIRP.bind(undefined, 1, 0, 0, 1, 0), + /* 0xE5 */ MDRP_MIRP.bind(undefined, 1, 0, 0, 1, 1), + /* 0xE6 */ MDRP_MIRP.bind(undefined, 1, 0, 0, 1, 2), + /* 0xE7 */ MDRP_MIRP.bind(undefined, 1, 0, 0, 1, 3), + /* 0xE8 */ MDRP_MIRP.bind(undefined, 1, 0, 1, 0, 0), + /* 0xE9 */ MDRP_MIRP.bind(undefined, 1, 0, 1, 0, 1), + /* 0xEA */ MDRP_MIRP.bind(undefined, 1, 0, 1, 0, 2), + /* 0xEB */ MDRP_MIRP.bind(undefined, 1, 0, 1, 0, 3), + /* 0xEC */ MDRP_MIRP.bind(undefined, 1, 0, 1, 1, 0), + /* 0xED */ MDRP_MIRP.bind(undefined, 1, 0, 1, 1, 1), + /* 0xEE */ MDRP_MIRP.bind(undefined, 1, 0, 1, 1, 2), + /* 0xEF */ MDRP_MIRP.bind(undefined, 1, 0, 1, 1, 3), + /* 0xF0 */ MDRP_MIRP.bind(undefined, 1, 1, 0, 0, 0), + /* 0xF1 */ MDRP_MIRP.bind(undefined, 1, 1, 0, 0, 1), + /* 0xF2 */ MDRP_MIRP.bind(undefined, 1, 1, 0, 0, 2), + /* 0xF3 */ MDRP_MIRP.bind(undefined, 1, 1, 0, 0, 3), + /* 0xF4 */ MDRP_MIRP.bind(undefined, 1, 1, 0, 1, 0), + /* 0xF5 */ MDRP_MIRP.bind(undefined, 1, 1, 0, 1, 1), + /* 0xF6 */ MDRP_MIRP.bind(undefined, 1, 1, 0, 1, 2), + /* 0xF7 */ MDRP_MIRP.bind(undefined, 1, 1, 0, 1, 3), + /* 0xF8 */ MDRP_MIRP.bind(undefined, 1, 1, 1, 0, 0), + /* 0xF9 */ MDRP_MIRP.bind(undefined, 1, 1, 1, 0, 1), + /* 0xFA */ MDRP_MIRP.bind(undefined, 1, 1, 1, 0, 2), + /* 0xFB */ MDRP_MIRP.bind(undefined, 1, 1, 1, 0, 3), + /* 0xFC */ MDRP_MIRP.bind(undefined, 1, 1, 1, 1, 0), + /* 0xFD */ MDRP_MIRP.bind(undefined, 1, 1, 1, 1, 1), + /* 0xFE */ MDRP_MIRP.bind(undefined, 1, 1, 1, 1, 2), + /* 0xFF */ MDRP_MIRP.bind(undefined, 1, 1, 1, 1, 3) +]; + +/***************************** + Mathematical Considerations +****************************** + +fv ... refers to freedom vector +pv ... refers to projection vector +rp ... refers to reference point +p ... refers to to point being operated on +d ... refers to distance + +SETRELATIVE: +============ + +case freedom vector == x-axis: +------------------------------ + + (pv) + .-' + rpd .-' + .-* + d .-'90°' + .-' ' + .-' ' + *-' ' b + rp ' + ' + ' + p *----------*-------------- (fv) + pm + + rpdx = rpx + d * pv.x + rpdy = rpy + d * pv.y + + equation of line b + + y - rpdy = pvns * (x- rpdx) + + y = p.y + + x = rpdx + ( p.y - rpdy ) / pvns + + +case freedom vector == y-axis: +------------------------------ + + * pm + |\ + | \ + | \ + | \ + | \ + | \ + | \ + | \ + | \ + | \ b + | \ + | \ + | \ .-' (pv) + | 90° \.-' + | .-'* rpd + | .-' + * *-' d + p rp + + rpdx = rpx + d * pv.x + rpdy = rpy + d * pv.y + + equation of line b: + pvns ... normal slope to pv + + y - rpdy = pvns * (x - rpdx) + + x = p.x + + y = rpdy + pvns * (p.x - rpdx) + + + +generic case: +------------- + + + .'(fv) + .' + .* pm + .' ! + .' . + .' ! + .' . b + .' ! + * . + p ! + 90° . ... (pv) + ...-*-''' + ...---''' rpd + ...---''' d + *--''' + rp + + rpdx = rpx + d * pv.x + rpdy = rpy + d * pv.y + + equation of line b: + pvns... normal slope to pv + + y - rpdy = pvns * (x - rpdx) + + equation of freedom vector line: + fvs ... slope of freedom vector (=fy/fx) + + y - py = fvs * (x - px) + + + on pm both equations are true for same x/y + + y - rpdy = pvns * (x - rpdx) + + y - py = fvs * (x - px) + + form to y and set equal: + + pvns * (x - rpdx) + rpdy = fvs * (x - px) + py + + expand: + + pvns * x - pvns * rpdx + rpdy = fvs * x - fvs * px + py + + switch: + + fvs * x - fvs * px + py = pvns * x - pvns * rpdx + rpdy + + solve for x: + + fvs * x - pvns * x = fvs * px - pvns * rpdx - py + rpdy + + + + fvs * px - pvns * rpdx + rpdy - py + x = ----------------------------------- + fvs - pvns + + and: + + y = fvs * (x - px) + py + + + +INTERPOLATE: +============ + +Examples of point interpolation. + +The weight of the movement of the reference point gets bigger +the further the other reference point is away, thus the safest +option (that is avoiding 0/0 divisions) is to weight the +original distance of the other point by the sum of both distances. + +If the sum of both distances is 0, then move the point by the +arithmetic average of the movement of both reference points. + + + + + (+6) + rp1o *---->*rp1 + . . (+12) + . . rp2o *---------->* rp2 + . . . . + . . . . + . 10 20 . . + |.........|...................| . + . . . + . . (+8) . + po *------>*p . + . . . + . 12 . 24 . + |...........|.......................| + 36 + + +------- + + + + (+10) + rp1o *-------->*rp1 + . . (-10) + . . rp2 *<---------* rpo2 + . . . . + . . . . + . 10 . 30 . . + |.........|.............................| + . . + . (+5) . + po *--->* p . + . . . + . . 20 . + |....|..............| + 5 15 + + +------- + + + (+10) + rp1o *-------->*rp1 + . . + . . + rp2o *-------->*rp2 + + + (+10) + po *-------->* p + +------- + + + (+10) + rp1o *-------->*rp1 + . . + . .(+30) + rp2o *---------------------------->*rp2 + + + (+25) + po *----------------------->* p + + + +vim: set ts=4 sw=4 expandtab: +*****/ + +/** + * Converts a string into a list of tokens. + */ + +/** + * Create a new token + * @param {string} char a single char + */ +function Token(char) { + this.char = char; + this.state = {}; + this.activeState = null; +} + +/** + * Create a new context range + * @param {number} startIndex range start index + * @param {number} endOffset range end index offset + * @param {string} contextName owner context name + */ +function ContextRange(startIndex, endOffset, contextName) { + this.contextName = contextName; + this.startIndex = startIndex; + this.endOffset = endOffset; +} + +/** + * Check context start and end + * @param {string} contextName a unique context name + * @param {function} checkStart a predicate function the indicates a context's start + * @param {function} checkEnd a predicate function the indicates a context's end + */ +function ContextChecker(contextName, checkStart, checkEnd) { + this.contextName = contextName; + this.openRange = null; + this.ranges = []; + this.checkStart = checkStart; + this.checkEnd = checkEnd; +} + +/** + * @typedef ContextParams + * @type Object + * @property {array} context context items + * @property {number} currentIndex current item index + */ + +/** + * Create a context params + * @param {array} context a list of items + * @param {number} currentIndex current item index + */ +function ContextParams(context, currentIndex) { + this.context = context; + this.index = currentIndex; + this.length = context.length; + this.current = context[currentIndex]; + this.backtrack = context.slice(0, currentIndex); + this.lookahead = context.slice(currentIndex + 1); +} + +/** + * Create an event instance + * @param {string} eventId event unique id + */ +function Event(eventId) { + this.eventId = eventId; + this.subscribers = []; +} + +/** + * Initialize a core events and auto subscribe required event handlers + * @param {any} events an object that enlists core events handlers + */ +function initializeCoreEvents(events) { + var this$1 = this; + + var coreEvents = [ + 'start', 'end', 'next', 'newToken', 'contextStart', + 'contextEnd', 'insertToken', 'removeToken', 'removeRange', + 'replaceToken', 'replaceRange', 'composeRUD', 'updateContextsRanges' + ]; + + coreEvents.forEach(function (eventId) { + Object.defineProperty(this$1.events, eventId, { + value: new Event(eventId) + }); + }); + + if (!!events) { + coreEvents.forEach(function (eventId) { + var event = events[eventId]; + if (typeof event === 'function') { + this$1.events[eventId].subscribe(event); + } + }); + } + var requiresContextUpdate = [ + 'insertToken', 'removeToken', 'removeRange', + 'replaceToken', 'replaceRange', 'composeRUD' + ]; + requiresContextUpdate.forEach(function (eventId) { + this$1.events[eventId].subscribe( + this$1.updateContextsRanges + ); + }); +} + +/** + * Converts a string into a list of tokens + * @param {any} events tokenizer core events + */ +function Tokenizer(events) { + this.tokens = []; + this.registeredContexts = {}; + this.contextCheckers = []; + this.events = {}; + this.registeredModifiers = []; + + initializeCoreEvents.call(this, events); +} + +/** + * Sets the state of a token, usually called by a state modifier. + * @param {string} key state item key + * @param {any} value state item value + */ +Token.prototype.setState = function(key, value) { + this.state[key] = value; + this.activeState = { key: key, value: this.state[key] }; + return this.activeState; +}; + +Token.prototype.getState = function (stateId) { + return this.state[stateId] || null; +}; + +/** + * Checks if an index exists in the tokens list. + * @param {number} index token index + */ +Tokenizer.prototype.inboundIndex = function(index) { + return index >= 0 && index < this.tokens.length; +}; + +/** + * Compose and apply a list of operations (replace, update, delete) + * @param {array} RUDs replace, update and delete operations + * TODO: Perf. Optimization (lengthBefore === lengthAfter ? dispatch once) + */ +Tokenizer.prototype.composeRUD = function (RUDs) { + var this$1 = this; + + var silent = true; + var state = RUDs.map(function (RUD) { return ( + this$1[RUD[0]].apply(this$1, RUD.slice(1).concat(silent)) + ); }); + var hasFAILObject = function (obj) { return ( + typeof obj === 'object' && + obj.hasOwnProperty('FAIL') + ); }; + if (state.every(hasFAILObject)) { + return { + FAIL: "composeRUD: one or more operations hasn't completed successfully", + report: state.filter(hasFAILObject) + }; + } + this.dispatch('composeRUD', [state.filter(function (op) { return !hasFAILObject(op); })]); +}; + +/** + * Replace a range of tokens with a list of tokens + * @param {number} startIndex range start index + * @param {number} offset range offset + * @param {token} tokens a list of tokens to replace + * @param {boolean} silent dispatch events and update context ranges + */ +Tokenizer.prototype.replaceRange = function (startIndex, offset, tokens, silent) { + offset = offset !== null ? offset : this.tokens.length; + var isTokenType = tokens.every(function (token) { return token instanceof Token; }); + if (!isNaN(startIndex) && this.inboundIndex(startIndex) && isTokenType) { + var replaced = this.tokens.splice.apply( + this.tokens, [startIndex, offset].concat(tokens) + ); + if (!silent) { this.dispatch('replaceToken', [startIndex, offset, tokens]); } + return [replaced, tokens]; + } else { + return { FAIL: 'replaceRange: invalid tokens or startIndex.' }; + } +}; + +/** + * Replace a token with another token + * @param {number} index token index + * @param {token} token a token to replace + * @param {boolean} silent dispatch events and update context ranges + */ +Tokenizer.prototype.replaceToken = function (index, token, silent) { + if (!isNaN(index) && this.inboundIndex(index) && token instanceof Token) { + var replaced = this.tokens.splice(index, 1, token); + if (!silent) { this.dispatch('replaceToken', [index, token]); } + return [replaced[0], token]; + } else { + return { FAIL: 'replaceToken: invalid token or index.' }; + } +}; + +/** + * Removes a range of tokens + * @param {number} startIndex range start index + * @param {number} offset range offset + * @param {boolean} silent dispatch events and update context ranges + */ +Tokenizer.prototype.removeRange = function(startIndex, offset, silent) { + offset = !isNaN(offset) ? offset : this.tokens.length; + var tokens = this.tokens.splice(startIndex, offset); + if (!silent) { this.dispatch('removeRange', [tokens, startIndex, offset]); } + return tokens; +}; + +/** + * Remove a token at a certain index + * @param {number} index token index + * @param {boolean} silent dispatch events and update context ranges + */ +Tokenizer.prototype.removeToken = function(index, silent) { + if (!isNaN(index) && this.inboundIndex(index)) { + var token = this.tokens.splice(index, 1); + if (!silent) { this.dispatch('removeToken', [token, index]); } + return token; + } else { + return { FAIL: 'removeToken: invalid token index.' }; + } +}; + +/** + * Insert a list of tokens at a certain index + * @param {array} tokens a list of tokens to insert + * @param {number} index insert the list of tokens at index + * @param {boolean} silent dispatch events and update context ranges + */ +Tokenizer.prototype.insertToken = function (tokens, index, silent) { + var tokenType = tokens.every( + function (token) { return token instanceof Token; } + ); + if (tokenType) { + this.tokens.splice.apply( + this.tokens, [index, 0].concat(tokens) + ); + if (!silent) { this.dispatch('insertToken', [tokens, index]); } + return tokens; + } else { + return { FAIL: 'insertToken: invalid token(s).' }; + } +}; + +/** + * A state modifier that is called on 'newToken' event + * @param {string} modifierId state modifier id + * @param {function} condition a predicate function that returns true or false + * @param {function} modifier a function to update token state + */ +Tokenizer.prototype.registerModifier = function(modifierId, condition, modifier) { + this.events.newToken.subscribe(function(token, contextParams) { + var conditionParams = [token, contextParams]; + var canApplyModifier = ( + condition === null || + condition.apply(this, conditionParams) === true + ); + var modifierParams = [token, contextParams]; + if (canApplyModifier) { + var newStateValue = modifier.apply(this, modifierParams); + token.setState(modifierId, newStateValue); + } + }); + this.registeredModifiers.push(modifierId); +}; + +/** + * Subscribe a handler to an event + * @param {function} eventHandler an event handler function + */ +Event.prototype.subscribe = function (eventHandler) { + if (typeof eventHandler === 'function') { + return ((this.subscribers.push(eventHandler)) - 1); + } else { + return { FAIL: ("invalid '" + (this.eventId) + "' event handler")}; + } +}; + +/** + * Unsubscribe an event handler + * @param {string} subsId subscription id + */ +Event.prototype.unsubscribe = function (subsId) { + this.subscribers.splice(subsId, 1); +}; + +/** + * Sets context params current value index + * @param {number} index context params current value index + */ +ContextParams.prototype.setCurrentIndex = function(index) { + this.index = index; + this.current = this.context[index]; + this.backtrack = this.context.slice(0, index); + this.lookahead = this.context.slice(index + 1); +}; + +/** + * Get an item at an offset from the current value + * example (current value is 3): + * 1 2 [3] 4 5 | items values + * -2 -1 0 1 2 | offset values + * @param {number} offset an offset from current value index + */ +ContextParams.prototype.get = function (offset) { + switch (true) { + case (offset === 0): + return this.current; + case (offset < 0 && Math.abs(offset) <= this.backtrack.length): + return this.backtrack.slice(offset)[0]; + case (offset > 0 && offset <= this.lookahead.length): + return this.lookahead[offset - 1]; + default: + return null; + } +}; + +/** + * Converts a context range into a string value + * @param {contextRange} range a context range + */ +Tokenizer.prototype.rangeToText = function (range) { + if (range instanceof ContextRange) { + return ( + this.getRangeTokens(range) + .map(function (token) { return token.char; }).join('') + ); + } +}; + +/** + * Converts all tokens into a string + */ +Tokenizer.prototype.getText = function () { + return this.tokens.map(function (token) { return token.char; }).join(''); +}; + +/** + * Get a context by name + * @param {string} contextName context name to get + */ +Tokenizer.prototype.getContext = function (contextName) { + var context = this.registeredContexts[contextName]; + return !!context ? context : null; +}; + +/** + * Subscribes a new event handler to an event + * @param {string} eventName event name to subscribe to + * @param {function} eventHandler a function to be invoked on event + */ +Tokenizer.prototype.on = function(eventName, eventHandler) { + var event = this.events[eventName]; + if (!!event) { + return event.subscribe(eventHandler); + } else { + return null; + } +}; + +/** + * Dispatches an event + * @param {string} eventName event name + * @param {any} args event handler arguments + */ +Tokenizer.prototype.dispatch = function(eventName, args) { + var this$1 = this; + + var event = this.events[eventName]; + if (event instanceof Event) { + event.subscribers.forEach(function (subscriber) { + subscriber.apply(this$1, args || []); + }); + } +}; + +/** + * Register a new context checker + * @param {string} contextName a unique context name + * @param {function} contextStartCheck a predicate function that returns true on context start + * @param {function} contextEndCheck a predicate function that returns true on context end + * TODO: call tokenize on registration to update context ranges with the new context. + */ +Tokenizer.prototype.registerContextChecker = function(contextName, contextStartCheck, contextEndCheck) { + if (!!this.getContext(contextName)) { return { + FAIL: + ("context name '" + contextName + "' is already registered.") + }; } + if (typeof contextStartCheck !== 'function') { return { + FAIL: + "missing context start check." + }; } + if (typeof contextEndCheck !== 'function') { return { + FAIL: + "missing context end check." + }; } + var contextCheckers = new ContextChecker( + contextName, contextStartCheck, contextEndCheck + ); + this.registeredContexts[contextName] = contextCheckers; + this.contextCheckers.push(contextCheckers); + return contextCheckers; +}; + +/** + * Gets a context range tokens + * @param {contextRange} range a context range + */ +Tokenizer.prototype.getRangeTokens = function(range) { + var endIndex = range.startIndex + range.endOffset; + return [].concat( + this.tokens + .slice(range.startIndex, endIndex) + ); +}; + +/** + * Gets the ranges of a context + * @param {string} contextName context name + */ +Tokenizer.prototype.getContextRanges = function(contextName) { + var context = this.getContext(contextName); + if (!!context) { + return context.ranges; + } else { + return { FAIL: ("context checker '" + contextName + "' is not registered.") }; + } +}; + +/** + * Resets context ranges to run context update + */ +Tokenizer.prototype.resetContextsRanges = function () { + var registeredContexts = this.registeredContexts; + for (var contextName in registeredContexts) { + if (registeredContexts.hasOwnProperty(contextName)) { + var context = registeredContexts[contextName]; + context.ranges = []; + } + } +}; + +/** + * Updates context ranges + */ +Tokenizer.prototype.updateContextsRanges = function () { + this.resetContextsRanges(); + var chars = this.tokens.map(function (token) { return token.char; }); + for (var i = 0; i < chars.length; i++) { + var contextParams = new ContextParams(chars, i); + this.runContextCheck(contextParams); + } + this.dispatch('updateContextsRanges', [this.registeredContexts]); +}; + +/** + * Sets the end offset of an open range + * @param {number} offset range end offset + * @param {string} contextName context name + */ +Tokenizer.prototype.setEndOffset = function (offset, contextName) { + var startIndex = this.getContext(contextName).openRange.startIndex; + var range = new ContextRange(startIndex, offset, contextName); + var ranges = this.getContext(contextName).ranges; + range.rangeId = contextName + "." + (ranges.length); + ranges.push(range); + this.getContext(contextName).openRange = null; + return range; +}; + +/** + * Runs a context check on the current context + * @param {contextParams} contextParams current context params + */ +Tokenizer.prototype.runContextCheck = function(contextParams) { + var this$1 = this; + + var index = contextParams.index; + this.contextCheckers.forEach(function (contextChecker) { + var contextName = contextChecker.contextName; + var openRange = this$1.getContext(contextName).openRange; + if (!openRange && contextChecker.checkStart(contextParams)) { + openRange = new ContextRange(index, null, contextName); + this$1.getContext(contextName).openRange = openRange; + this$1.dispatch('contextStart', [contextName, index]); + } + if (!!openRange && contextChecker.checkEnd(contextParams)) { + var offset = (index - openRange.startIndex) + 1; + var range = this$1.setEndOffset(offset, contextName); + this$1.dispatch('contextEnd', [contextName, range]); + } + }); +}; + +/** + * Converts a text into a list of tokens + * @param {string} text a text to tokenize + */ +Tokenizer.prototype.tokenize = function (text) { + this.tokens = []; + this.resetContextsRanges(); + var chars = Array.from(text); + this.dispatch('start'); + for (var i = 0; i < chars.length; i++) { + var char = chars[i]; + var contextParams = new ContextParams(chars, i); + this.dispatch('next', [contextParams]); + this.runContextCheck(contextParams); + var token = new Token(char); + this.tokens.push(token); + this.dispatch('newToken', [token, contextParams]); + } + this.dispatch('end', [this.tokens]); + return this.tokens; +}; + +// ╭─┄┄┄────────────────────────┄─────────────────────────────────────────────╮ +// ┊ Character Class Assertions ┊ Checks if a char belongs to a certain class ┊ +// ╰─╾──────────────────────────┄─────────────────────────────────────────────╯ +// jscs:disable maximumLineLength +/** + * Check if a char is Arabic + * @param {string} c a single char + */ +function isArabicChar(c) { + return /[\u0600-\u065F\u066A-\u06D2\u06FA-\u06FF]/.test(c); +} + +/** + * Check if a char is an isolated arabic char + * @param {string} c a single char + */ +function isIsolatedArabicChar(char) { + return /[\u0630\u0690\u0621\u0631\u0661\u0671\u0622\u0632\u0672\u0692\u06C2\u0623\u0673\u0693\u06C3\u0624\u0694\u06C4\u0625\u0675\u0695\u06C5\u06E5\u0676\u0696\u06C6\u0627\u0677\u0697\u06C7\u0648\u0688\u0698\u06C8\u0689\u0699\u06C9\u068A\u06CA\u066B\u068B\u06CB\u068C\u068D\u06CD\u06FD\u068E\u06EE\u06FE\u062F\u068F\u06CF\u06EF]/.test(char); +} + +/** + * Check if a char is an Arabic Tashkeel char + * @param {string} c a single char + */ +function isTashkeelArabicChar(char) { + return /[\u0600-\u0605\u060C-\u060E\u0610-\u061B\u061E\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED]/.test(char); +} + +/** + * Check if a char is Latin + * @param {string} c a single char + */ +function isLatinChar(c) { + return /[A-z]/.test(c); +} + +/** + * Check if a char is whitespace char + * @param {string} c a single char + */ +function isWhiteSpace(c) { + return /\s/.test(c); +} + +/** + * Query a feature by some of it's properties to lookup a glyph substitution. + */ + +/** + * Create feature query instance + * @param {Font} font opentype font instance + */ +function FeatureQuery(font) { + this.font = font; + this.features = {}; +} + +/** + * @typedef SubstitutionAction + * @type Object + * @property {number} id substitution type + * @property {string} tag feature tag + * @property {any} substitution substitution value(s) + */ + +/** + * Create a substitution action instance + * @param {SubstitutionAction} action + */ +function SubstitutionAction(action) { + this.id = action.id; + this.tag = action.tag; + this.substitution = action.substitution; +} + +/** + * Lookup a coverage table + * @param {number} glyphIndex glyph index + * @param {CoverageTable} coverage coverage table + */ +function lookupCoverage(glyphIndex, coverage) { + if (!glyphIndex) { return -1; } + switch (coverage.format) { + case 1: + return coverage.glyphs.indexOf(glyphIndex); + + case 2: + var ranges = coverage.ranges; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (glyphIndex >= range.start && glyphIndex <= range.end) { + var offset = glyphIndex - range.start; + return range.index + offset; + } + } + break; + default: + return -1; // not found + } + return -1; +} + +/** + * Handle a single substitution - format 1 + * @param {ContextParams} contextParams context params to lookup + */ +function singleSubstitutionFormat1(glyphIndex, subtable) { + var substituteIndex = lookupCoverage(glyphIndex, subtable.coverage); + if (substituteIndex === -1) { return null; } + return glyphIndex + subtable.deltaGlyphId; +} + +/** + * Handle a single substitution - format 2 + * @param {ContextParams} contextParams context params to lookup + */ +function singleSubstitutionFormat2(glyphIndex, subtable) { + var substituteIndex = lookupCoverage(glyphIndex, subtable.coverage); + if (substituteIndex === -1) { return null; } + return subtable.substitute[substituteIndex]; +} + +/** + * Lookup a list of coverage tables + * @param {any} coverageList a list of coverage tables + * @param {ContextParams} contextParams context params to lookup + */ +function lookupCoverageList(coverageList, contextParams) { + var lookupList = []; + for (var i = 0; i < coverageList.length; i++) { + var coverage = coverageList[i]; + var glyphIndex = contextParams.current; + glyphIndex = Array.isArray(glyphIndex) ? glyphIndex[0] : glyphIndex; + var lookupIndex = lookupCoverage(glyphIndex, coverage); + if (lookupIndex !== -1) { + lookupList.push(lookupIndex); + } + } + if (lookupList.length !== coverageList.length) { return -1; } + return lookupList; +} + +/** + * Handle chaining context substitution - format 3 + * @param {ContextParams} contextParams context params to lookup + */ +function chainingSubstitutionFormat3(contextParams, subtable) { + var lookupsCount = ( + subtable.inputCoverage.length + + subtable.lookaheadCoverage.length + + subtable.backtrackCoverage.length + ); + if (contextParams.context.length < lookupsCount) { return []; } + // INPUT LOOKUP // + var inputLookups = lookupCoverageList( + subtable.inputCoverage, contextParams + ); + if (inputLookups === -1) { return []; } + // LOOKAHEAD LOOKUP // + var lookaheadOffset = subtable.inputCoverage.length - 1; + if (contextParams.lookahead.length < subtable.lookaheadCoverage.length) { return []; } + var lookaheadContext = contextParams.lookahead.slice(lookaheadOffset); + while (lookaheadContext.length && isTashkeelArabicChar(lookaheadContext[0].char)) { + lookaheadContext.shift(); + } + var lookaheadParams = new ContextParams(lookaheadContext, 0); + var lookaheadLookups = lookupCoverageList( + subtable.lookaheadCoverage, lookaheadParams + ); + // BACKTRACK LOOKUP // + var backtrackContext = [].concat(contextParams.backtrack); + backtrackContext.reverse(); + while (backtrackContext.length && isTashkeelArabicChar(backtrackContext[0].char)) { + backtrackContext.shift(); + } + if (backtrackContext.length < subtable.backtrackCoverage.length) { return []; } + var backtrackParams = new ContextParams(backtrackContext, 0); + var backtrackLookups = lookupCoverageList( + subtable.backtrackCoverage, backtrackParams + ); + var contextRulesMatch = ( + inputLookups.length === subtable.inputCoverage.length && + lookaheadLookups.length === subtable.lookaheadCoverage.length && + backtrackLookups.length === subtable.backtrackCoverage.length + ); + var substitutions = []; + if (contextRulesMatch) { + for (var i = 0; i < subtable.lookupRecords.length; i++) { + var lookupRecord = subtable.lookupRecords[i]; + var lookupListIndex = lookupRecord.lookupListIndex; + var lookupTable = this.getLookupByIndex(lookupListIndex); + for (var s = 0; s < lookupTable.subtables.length; s++) { + var subtable$1 = lookupTable.subtables[s]; + var lookup = this.getLookupMethod(lookupTable, subtable$1); + var substitutionType = this.getSubstitutionType(lookupTable, subtable$1); + if (substitutionType === '12') { + for (var n = 0; n < inputLookups.length; n++) { + var glyphIndex = contextParams.get(n); + var substitution = lookup(glyphIndex); + if (substitution) { substitutions.push(substitution); } + } + } + } + } + } + return substitutions; +} + +/** + * Handle ligature substitution - format 1 + * @param {ContextParams} contextParams context params to lookup + */ +function ligatureSubstitutionFormat1(contextParams, subtable) { + // COVERAGE LOOKUP // + var glyphIndex = contextParams.current; + var ligSetIndex = lookupCoverage(glyphIndex, subtable.coverage); + if (ligSetIndex === -1) { return null; } + // COMPONENTS LOOKUP + // (!) note, components are ordered in the written direction. + var ligature; + var ligatureSet = subtable.ligatureSets[ligSetIndex]; + for (var s = 0; s < ligatureSet.length; s++) { + ligature = ligatureSet[s]; + for (var l = 0; l < ligature.components.length; l++) { + var lookaheadItem = contextParams.lookahead[l]; + var component = ligature.components[l]; + if (lookaheadItem !== component) { break; } + if (l === ligature.components.length - 1) { return ligature; } + } + } + return null; +} + +/** + * Handle decomposition substitution - format 1 + * @param {number} glyphIndex glyph index + * @param {any} subtable subtable + */ +function decompositionSubstitutionFormat1(glyphIndex, subtable) { + var substituteIndex = lookupCoverage(glyphIndex, subtable.coverage); + if (substituteIndex === -1) { return null; } + return subtable.sequences[substituteIndex]; +} + +/** + * Get default script features indexes + */ +FeatureQuery.prototype.getDefaultScriptFeaturesIndexes = function () { + var scripts = this.font.tables.gsub.scripts; + for (var s = 0; s < scripts.length; s++) { + var script = scripts[s]; + if (script.tag === 'DFLT') { return ( + script.script.defaultLangSys.featureIndexes + ); } + } + return []; +}; + +/** + * Get feature indexes of a specific script + * @param {string} scriptTag script tag + */ +FeatureQuery.prototype.getScriptFeaturesIndexes = function(scriptTag) { + var tables = this.font.tables; + if (!tables.gsub) { return []; } + if (!scriptTag) { return this.getDefaultScriptFeaturesIndexes(); } + var scripts = this.font.tables.gsub.scripts; + for (var i = 0; i < scripts.length; i++) { + var script = scripts[i]; + if (script.tag === scriptTag && script.script.defaultLangSys) { + return script.script.defaultLangSys.featureIndexes; + } else { + var langSysRecords = script.langSysRecords; + if (!!langSysRecords) { + for (var j = 0; j < langSysRecords.length; j++) { + var langSysRecord = langSysRecords[j]; + if (langSysRecord.tag === scriptTag) { + var langSys = langSysRecord.langSys; + return langSys.featureIndexes; + } + } + } + } + } + return this.getDefaultScriptFeaturesIndexes(); +}; + +/** + * Map a feature tag to a gsub feature + * @param {any} features gsub features + * @param {string} scriptTag script tag + */ +FeatureQuery.prototype.mapTagsToFeatures = function (features, scriptTag) { + var tags = {}; + for (var i = 0; i < features.length; i++) { + var tag = features[i].tag; + var feature = features[i].feature; + tags[tag] = feature; + } + this.features[scriptTag].tags = tags; +}; + +/** + * Get features of a specific script + * @param {string} scriptTag script tag + */ +FeatureQuery.prototype.getScriptFeatures = function (scriptTag) { + var features = this.features[scriptTag]; + if (this.features.hasOwnProperty(scriptTag)) { return features; } + var featuresIndexes = this.getScriptFeaturesIndexes(scriptTag); + if (!featuresIndexes) { return null; } + var gsub = this.font.tables.gsub; + features = featuresIndexes.map(function (index) { return gsub.features[index]; }); + this.features[scriptTag] = features; + this.mapTagsToFeatures(features, scriptTag); + return features; +}; + +/** + * Get substitution type + * @param {any} lookupTable lookup table + * @param {any} subtable subtable + */ +FeatureQuery.prototype.getSubstitutionType = function(lookupTable, subtable) { + var lookupType = lookupTable.lookupType.toString(); + var substFormat = subtable.substFormat.toString(); + return lookupType + substFormat; +}; + +/** + * Get lookup method + * @param {any} lookupTable lookup table + * @param {any} subtable subtable + */ +FeatureQuery.prototype.getLookupMethod = function(lookupTable, subtable) { + var this$1 = this; + + var substitutionType = this.getSubstitutionType(lookupTable, subtable); + switch (substitutionType) { + case '11': + return function (glyphIndex) { return singleSubstitutionFormat1.apply( + this$1, [glyphIndex, subtable] + ); }; + case '12': + return function (glyphIndex) { return singleSubstitutionFormat2.apply( + this$1, [glyphIndex, subtable] + ); }; + case '63': + return function (contextParams) { return chainingSubstitutionFormat3.apply( + this$1, [contextParams, subtable] + ); }; + case '41': + return function (contextParams) { return ligatureSubstitutionFormat1.apply( + this$1, [contextParams, subtable] + ); }; + case '21': + return function (glyphIndex) { return decompositionSubstitutionFormat1.apply( + this$1, [glyphIndex, subtable] + ); }; + default: + throw new Error( + "lookupType: " + (lookupTable.lookupType) + " - " + + "substFormat: " + (subtable.substFormat) + " " + + "is not yet supported" + ); + } +}; + +/** + * [ LOOKUP TYPES ] + * ------------------------------- + * Single 1; + * Multiple 2; + * Alternate 3; + * Ligature 4; + * Context 5; + * ChainingContext 6; + * ExtensionSubstitution 7; + * ReverseChainingContext 8; + * ------------------------------- + * + */ + +/** + * @typedef FQuery + * @type Object + * @param {string} tag feature tag + * @param {string} script feature script + * @param {ContextParams} contextParams context params + */ + +/** + * Lookup a feature using a query parameters + * @param {FQuery} query feature query + */ +FeatureQuery.prototype.lookupFeature = function (query) { + var contextParams = query.contextParams; + var currentIndex = contextParams.index; + var feature = this.getFeature({ + tag: query.tag, script: query.script + }); + if (!feature) { return new Error( + "font '" + (this.font.names.fullName.en) + "' " + + "doesn't support feature '" + (query.tag) + "' " + + "for script '" + (query.script) + "'." + ); } + var lookups = this.getFeatureLookups(feature); + var substitutions = [].concat(contextParams.context); + for (var l = 0; l < lookups.length; l++) { + var lookupTable = lookups[l]; + var subtables = this.getLookupSubtables(lookupTable); + for (var s = 0; s < subtables.length; s++) { + var subtable = subtables[s]; + var substType = this.getSubstitutionType(lookupTable, subtable); + var lookup = this.getLookupMethod(lookupTable, subtable); + var substitution = (void 0); + switch (substType) { + case '11': + substitution = lookup(contextParams.current); + if (substitution) { + substitutions.splice(currentIndex, 1, new SubstitutionAction({ + id: 11, tag: query.tag, substitution: substitution + })); + } + break; + case '12': + substitution = lookup(contextParams.current); + if (substitution) { + substitutions.splice(currentIndex, 1, new SubstitutionAction({ + id: 12, tag: query.tag, substitution: substitution + })); + } + break; + case '63': + substitution = lookup(contextParams); + if (Array.isArray(substitution) && substitution.length) { + substitutions.splice(currentIndex, 1, new SubstitutionAction({ + id: 63, tag: query.tag, substitution: substitution + })); + } + break; + case '41': + substitution = lookup(contextParams); + if (substitution) { + substitutions.splice(currentIndex, 1, new SubstitutionAction({ + id: 41, tag: query.tag, substitution: substitution + })); + } + break; + case '21': + substitution = lookup(contextParams.current); + if (substitution) { + substitutions.splice(currentIndex, 1, new SubstitutionAction({ + id: 21, tag: query.tag, substitution: substitution + })); + } + break; + } + contextParams = new ContextParams(substitutions, currentIndex); + if (Array.isArray(substitution) && !substitution.length) { continue; } + substitution = null; + } + } + return substitutions.length ? substitutions : null; +}; + +/** + * Checks if a font supports a specific features + * @param {FQuery} query feature query object + */ +FeatureQuery.prototype.supports = function (query) { + if (!query.script) { return false; } + this.getScriptFeatures(query.script); + var supportedScript = this.features.hasOwnProperty(query.script); + if (!query.tag) { return supportedScript; } + var supportedFeature = ( + this.features[query.script].some(function (feature) { return feature.tag === query.tag; }) + ); + return supportedScript && supportedFeature; +}; + +/** + * Get lookup table subtables + * @param {any} lookupTable lookup table + */ +FeatureQuery.prototype.getLookupSubtables = function (lookupTable) { + return lookupTable.subtables || null; +}; + +/** + * Get lookup table by index + * @param {number} index lookup table index + */ +FeatureQuery.prototype.getLookupByIndex = function (index) { + var lookups = this.font.tables.gsub.lookups; + return lookups[index] || null; +}; + +/** + * Get lookup tables for a feature + * @param {string} feature + */ +FeatureQuery.prototype.getFeatureLookups = function (feature) { + // TODO: memoize + return feature.lookupListIndexes.map(this.getLookupByIndex.bind(this)); +}; + +/** + * Query a feature by it's properties + * @param {any} query an object that describes the properties of a query + */ +FeatureQuery.prototype.getFeature = function getFeature(query) { + if (!this.font) { return { FAIL: "No font was found"}; } + if (!this.features.hasOwnProperty(query.script)) { + this.getScriptFeatures(query.script); + } + var scriptFeatures = this.features[query.script]; + if (!scriptFeatures) { return ( + { FAIL: ("No feature for script " + (query.script))} + ); } + if (!scriptFeatures.tags[query.tag]) { return null; } + return this.features[query.script].tags[query.tag]; +}; + +/** + * Arabic word context checkers + */ + +function arabicWordStartCheck(contextParams) { + var char = contextParams.current; + var prevChar = contextParams.get(-1); + return ( + // ? arabic first char + (prevChar === null && isArabicChar(char)) || + // ? arabic char preceded with a non arabic char + (!isArabicChar(prevChar) && isArabicChar(char)) + ); +} + +function arabicWordEndCheck(contextParams) { + var nextChar = contextParams.get(1); + return ( + // ? last arabic char + (nextChar === null) || + // ? next char is not arabic + (!isArabicChar(nextChar)) + ); +} + +var arabicWordCheck = { + startCheck: arabicWordStartCheck, + endCheck: arabicWordEndCheck +}; + +/** + * Arabic sentence context checkers + */ + +function arabicSentenceStartCheck(contextParams) { + var char = contextParams.current; + var prevChar = contextParams.get(-1); + return ( + // ? an arabic char preceded with a non arabic char + (isArabicChar(char) || isTashkeelArabicChar(char)) && + !isArabicChar(prevChar) + ); +} + +function arabicSentenceEndCheck(contextParams) { + var nextChar = contextParams.get(1); + switch (true) { + case nextChar === null: + return true; + case (!isArabicChar(nextChar) && !isTashkeelArabicChar(nextChar)): + var nextIsWhitespace = isWhiteSpace(nextChar); + if (!nextIsWhitespace) { return true; } + if (nextIsWhitespace) { + var arabicCharAhead = false; + arabicCharAhead = ( + contextParams.lookahead.some( + function (c) { return isArabicChar(c) || isTashkeelArabicChar(c); } + ) + ); + if (!arabicCharAhead) { return true; } + } + break; + default: + return false; + } +} + +var arabicSentenceCheck = { + startCheck: arabicSentenceStartCheck, + endCheck: arabicSentenceEndCheck +}; + +/** + * Apply single substitution format 1 + * @param {Array} substitutions substitutions + * @param {any} tokens a list of tokens + * @param {number} index token index + */ +function singleSubstitutionFormat1$1(action, tokens, index) { + tokens[index].setState(action.tag, action.substitution); +} + +/** + * Apply single substitution format 2 + * @param {Array} substitutions substitutions + * @param {any} tokens a list of tokens + * @param {number} index token index + */ +function singleSubstitutionFormat2$1(action, tokens, index) { + tokens[index].setState(action.tag, action.substitution); +} + +/** + * Apply chaining context substitution format 3 + * @param {Array} substitutions substitutions + * @param {any} tokens a list of tokens + * @param {number} index token index + */ +function chainingSubstitutionFormat3$1(action, tokens, index) { + action.substitution.forEach(function (subst, offset) { + var token = tokens[index + offset]; + token.setState(action.tag, subst); + }); +} + +/** + * Apply ligature substitution format 1 + * @param {Array} substitutions substitutions + * @param {any} tokens a list of tokens + * @param {number} index token index + */ +function ligatureSubstitutionFormat1$1(action, tokens, index) { + var token = tokens[index]; + token.setState(action.tag, action.substitution.ligGlyph); + var compsCount = action.substitution.components.length; + for (var i = 0; i < compsCount; i++) { + token = tokens[index + i + 1]; + token.setState('deleted', true); + } +} + +/** + * Supported substitutions + */ +var SUBSTITUTIONS = { + 11: singleSubstitutionFormat1$1, + 12: singleSubstitutionFormat2$1, + 63: chainingSubstitutionFormat3$1, + 41: ligatureSubstitutionFormat1$1 +}; + +/** + * Apply substitutions to a list of tokens + * @param {Array} substitutions substitutions + * @param {any} tokens a list of tokens + * @param {number} index token index + */ +function applySubstitution(action, tokens, index) { + if (action instanceof SubstitutionAction && SUBSTITUTIONS[action.id]) { + SUBSTITUTIONS[action.id](action, tokens, index); + } +} + +/** + * Apply Arabic presentation forms to a range of tokens + */ + +/** + * Check if a char can be connected to it's preceding char + * @param {ContextParams} charContextParams context params of a char + */ +function willConnectPrev(charContextParams) { + var backtrack = [].concat(charContextParams.backtrack); + for (var i = backtrack.length - 1; i >= 0; i--) { + var prevChar = backtrack[i]; + var isolated = isIsolatedArabicChar(prevChar); + var tashkeel = isTashkeelArabicChar(prevChar); + if (!isolated && !tashkeel) { return true; } + if (isolated) { return false; } + } + return false; +} + +/** + * Check if a char can be connected to it's proceeding char + * @param {ContextParams} charContextParams context params of a char + */ +function willConnectNext(charContextParams) { + if (isIsolatedArabicChar(charContextParams.current)) { return false; } + for (var i = 0; i < charContextParams.lookahead.length; i++) { + var nextChar = charContextParams.lookahead[i]; + var tashkeel = isTashkeelArabicChar(nextChar); + if (!tashkeel) { return true; } + } + return false; +} + +/** + * Apply arabic presentation forms to a list of tokens + * @param {ContextRange} range a range of tokens + */ +function arabicPresentationForms(range) { + var this$1 = this; + + var script = 'arab'; + var tags = this.featuresTags[script]; + var tokens = this.tokenizer.getRangeTokens(range); + if (tokens.length === 1) { return; } + var contextParams = new ContextParams( + tokens.map(function (token) { return token.getState('glyphIndex'); } + ), 0); + var charContextParams = new ContextParams( + tokens.map(function (token) { return token.char; } + ), 0); + tokens.forEach(function (token, index) { + if (isTashkeelArabicChar(token.char)) { return; } + contextParams.setCurrentIndex(index); + charContextParams.setCurrentIndex(index); + var CONNECT = 0; // 2 bits 00 (10: can connect next) (01: can connect prev) + if (willConnectPrev(charContextParams)) { CONNECT |= 1; } + if (willConnectNext(charContextParams)) { CONNECT |= 2; } + var tag; + switch (CONNECT) { + case 1: (tag = 'fina'); break; + case 2: (tag = 'init'); break; + case 3: (tag = 'medi'); break; + } + if (tags.indexOf(tag) === -1) { return; } + var substitutions = this$1.query.lookupFeature({ + tag: tag, script: script, contextParams: contextParams + }); + if (substitutions instanceof Error) { return console.info(substitutions.message); } + substitutions.forEach(function (action, index) { + if (action instanceof SubstitutionAction) { + applySubstitution(action, tokens, index); + contextParams.context[index] = action.substitution; + } + }); + }); +} + +/** + * Apply Arabic required ligatures feature to a range of tokens + */ + +/** + * Update context params + * @param {any} tokens a list of tokens + * @param {number} index current item index + */ +function getContextParams(tokens, index) { + var context = tokens.map(function (token) { return token.activeState.value; }); + return new ContextParams(context, index || 0); +} + +/** + * Apply Arabic required ligatures to a context range + * @param {ContextRange} range a range of tokens + */ +function arabicRequiredLigatures(range) { + var this$1 = this; + + var script = 'arab'; + var tokens = this.tokenizer.getRangeTokens(range); + var contextParams = getContextParams(tokens); + contextParams.context.forEach(function (glyphIndex, index) { + contextParams.setCurrentIndex(index); + var substitutions = this$1.query.lookupFeature({ + tag: 'rlig', script: script, contextParams: contextParams + }); + if (substitutions.length) { + substitutions.forEach( + function (action) { return applySubstitution(action, tokens, index); } + ); + contextParams = getContextParams(tokens); + } + }); +} + +/** + * Latin word context checkers + */ + +function latinWordStartCheck(contextParams) { + var char = contextParams.current; + var prevChar = contextParams.get(-1); + return ( + // ? latin first char + (prevChar === null && isLatinChar(char)) || + // ? latin char preceded with a non latin char + (!isLatinChar(prevChar) && isLatinChar(char)) + ); +} + +function latinWordEndCheck(contextParams) { + var nextChar = contextParams.get(1); + return ( + // ? last latin char + (nextChar === null) || + // ? next char is not latin + (!isLatinChar(nextChar)) + ); +} + +var latinWordCheck = { + startCheck: latinWordStartCheck, + endCheck: latinWordEndCheck +}; + +/** + * Apply Latin ligature feature to a range of tokens + */ + +/** + * Update context params + * @param {any} tokens a list of tokens + * @param {number} index current item index + */ +function getContextParams$1(tokens, index) { + var context = tokens.map(function (token) { return token.activeState.value; }); + return new ContextParams(context, index || 0); +} + +/** + * Apply Arabic required ligatures to a context range + * @param {ContextRange} range a range of tokens + */ +function latinLigature(range) { + var this$1 = this; + + var script = 'latn'; + var tokens = this.tokenizer.getRangeTokens(range); + var contextParams = getContextParams$1(tokens); + contextParams.context.forEach(function (glyphIndex, index) { + contextParams.setCurrentIndex(index); + var substitutions = this$1.query.lookupFeature({ + tag: 'liga', script: script, contextParams: contextParams + }); + if (substitutions.length) { + substitutions.forEach( + function (action) { return applySubstitution(action, tokens, index); } + ); + contextParams = getContextParams$1(tokens); + } + }); +} + +/** + * Infer bidirectional properties for a given text and apply + * the corresponding layout rules. + */ + +/** + * Create Bidi. features + * @param {string} baseDir text base direction. value either 'ltr' or 'rtl' + */ +function Bidi(baseDir) { + this.baseDir = baseDir || 'ltr'; + this.tokenizer = new Tokenizer(); + this.featuresTags = {}; +} + +/** + * Sets Bidi text + * @param {string} text a text input + */ +Bidi.prototype.setText = function (text) { + this.text = text; +}; + +/** + * Store essential context checks: + * arabic word check for applying gsub features + * arabic sentence check for adjusting arabic layout + */ +Bidi.prototype.contextChecks = ({ + latinWordCheck: latinWordCheck, + arabicWordCheck: arabicWordCheck, + arabicSentenceCheck: arabicSentenceCheck +}); + +/** + * Register arabic word check + */ +function registerContextChecker(checkId) { + var check = this.contextChecks[(checkId + "Check")]; + return this.tokenizer.registerContextChecker( + checkId, check.startCheck, check.endCheck + ); +} + +/** + * Perform pre tokenization procedure then + * tokenize text input + */ +function tokenizeText() { + registerContextChecker.call(this, 'latinWord'); + registerContextChecker.call(this, 'arabicWord'); + registerContextChecker.call(this, 'arabicSentence'); + return this.tokenizer.tokenize(this.text); +} + +/** + * Reverse arabic sentence layout + * TODO: check base dir before applying adjustments - priority low + */ +function reverseArabicSentences() { + var this$1 = this; + + var ranges = this.tokenizer.getContextRanges('arabicSentence'); + ranges.forEach(function (range) { + var rangeTokens = this$1.tokenizer.getRangeTokens(range); + this$1.tokenizer.replaceRange( + range.startIndex, + range.endOffset, + rangeTokens.reverse() + ); + }); +} + +/** + * Register supported features tags + * @param {script} script script tag + * @param {Array} tags features tags list + */ +Bidi.prototype.registerFeatures = function (script, tags) { + var this$1 = this; + + var supportedTags = tags.filter( + function (tag) { return this$1.query.supports({script: script, tag: tag}); } + ); + if (!this.featuresTags.hasOwnProperty(script)) { + this.featuresTags[script] = supportedTags; + } else { + this.featuresTags[script] = + this.featuresTags[script].concat(supportedTags); + } +}; + +/** + * Apply GSUB features + * @param {Array} tagsList a list of features tags + * @param {string} script a script tag + * @param {Font} font opentype font instance + */ +Bidi.prototype.applyFeatures = function (font, features) { + if (!font) { throw new Error( + 'No valid font was provided to apply features' + ); } + if (!this.query) { this.query = new FeatureQuery(font); } + for (var f = 0; f < features.length; f++) { + var feature = features[f]; + if (!this.query.supports({script: feature.script})) { continue; } + this.registerFeatures(feature.script, feature.tags); + } +}; + +/** + * Register a state modifier + * @param {string} modifierId state modifier id + * @param {function} condition a predicate function that returns true or false + * @param {function} modifier a modifier function to set token state + */ +Bidi.prototype.registerModifier = function (modifierId, condition, modifier) { + this.tokenizer.registerModifier(modifierId, condition, modifier); +}; + +/** + * Check if 'glyphIndex' is registered + */ +function checkGlyphIndexStatus() { + if (this.tokenizer.registeredModifiers.indexOf('glyphIndex') === -1) { + throw new Error( + 'glyphIndex modifier is required to apply ' + + 'arabic presentation features.' + ); + } +} + +/** + * Apply arabic presentation forms features + */ +function applyArabicPresentationForms() { + var this$1 = this; + + var script = 'arab'; + if (!this.featuresTags.hasOwnProperty(script)) { return; } + checkGlyphIndexStatus.call(this); + var ranges = this.tokenizer.getContextRanges('arabicWord'); + ranges.forEach(function (range) { + arabicPresentationForms.call(this$1, range); + }); +} + +/** + * Apply required arabic ligatures + */ +function applyArabicRequireLigatures() { + var this$1 = this; + + var script = 'arab'; + if (!this.featuresTags.hasOwnProperty(script)) { return; } + var tags = this.featuresTags[script]; + if (tags.indexOf('rlig') === -1) { return; } + checkGlyphIndexStatus.call(this); + var ranges = this.tokenizer.getContextRanges('arabicWord'); + ranges.forEach(function (range) { + arabicRequiredLigatures.call(this$1, range); + }); +} + +/** + * Apply required arabic ligatures + */ +function applyLatinLigatures() { + var this$1 = this; + + var script = 'latn'; + if (!this.featuresTags.hasOwnProperty(script)) { return; } + var tags = this.featuresTags[script]; + if (tags.indexOf('liga') === -1) { return; } + checkGlyphIndexStatus.call(this); + var ranges = this.tokenizer.getContextRanges('latinWord'); + ranges.forEach(function (range) { + latinLigature.call(this$1, range); + }); +} + +/** + * Check if a context is registered + * @param {string} contextId context id + */ +Bidi.prototype.checkContextReady = function (contextId) { + return !!this.tokenizer.getContext(contextId); +}; + +/** + * Apply features to registered contexts + */ +Bidi.prototype.applyFeaturesToContexts = function () { + if (this.checkContextReady('arabicWord')) { + applyArabicPresentationForms.call(this); + applyArabicRequireLigatures.call(this); + } + if (this.checkContextReady('latinWord')) { + applyLatinLigatures.call(this); + } + if (this.checkContextReady('arabicSentence')) { + reverseArabicSentences.call(this); + } +}; + +/** + * process text input + * @param {string} text an input text + */ +Bidi.prototype.processText = function(text) { + if (!this.text || this.text !== text) { + this.setText(text); + tokenizeText.call(this); + this.applyFeaturesToContexts(); + } +}; + +/** + * Process a string of text to identify and adjust + * bidirectional text entities. + * @param {string} text input text + */ +Bidi.prototype.getBidiText = function (text) { + this.processText(text); + return this.tokenizer.getText(); +}; + +/** + * Get the current state index of each token + * @param {text} text an input text + */ +Bidi.prototype.getTextGlyphs = function (text) { + this.processText(text); + var indexes = []; + for (var i = 0; i < this.tokenizer.tokens.length; i++) { + var token = this.tokenizer.tokens[i]; + if (token.state.deleted) { continue; } + var index = token.activeState.value; + indexes.push(Array.isArray(index) ? index[0] : index); + } + return indexes; +}; + +// The Font object + +/** + * @typedef FontOptions + * @type Object + * @property {Boolean} empty - whether to create a new empty font + * @property {string} familyName + * @property {string} styleName + * @property {string=} fullName + * @property {string=} postScriptName + * @property {string=} designer + * @property {string=} designerURL + * @property {string=} manufacturer + * @property {string=} manufacturerURL + * @property {string=} license + * @property {string=} licenseURL + * @property {string=} version + * @property {string=} description + * @property {string=} copyright + * @property {string=} trademark + * @property {Number} unitsPerEm + * @property {Number} ascender + * @property {Number} descender + * @property {Number} createdTimestamp + * @property {string=} weightClass + * @property {string=} widthClass + * @property {string=} fsSelection + */ + +/** + * A Font represents a loaded OpenType font file. + * It contains a set of glyphs and methods to draw text on a drawing context, + * or to get a path representing the text. + * @exports opentype.Font + * @class + * @param {FontOptions} + * @constructor + */ +function Font(options) { + options = options || {}; + options.tables = options.tables || {}; + + if (!options.empty) { + // Check that we've provided the minimum set of names. + checkArgument(options.familyName, 'When creating a new Font object, familyName is required.'); + checkArgument(options.styleName, 'When creating a new Font object, styleName is required.'); + checkArgument(options.unitsPerEm, 'When creating a new Font object, unitsPerEm is required.'); + checkArgument(options.ascender, 'When creating a new Font object, ascender is required.'); + checkArgument(options.descender <= 0, 'When creating a new Font object, negative descender value is required.'); + + // OS X will complain if the names are empty, so we put a single space everywhere by default. + this.names = { + fontFamily: {en: options.familyName || ' '}, + fontSubfamily: {en: options.styleName || ' '}, + fullName: {en: options.fullName || options.familyName + ' ' + options.styleName}, + // postScriptName may not contain any whitespace + postScriptName: {en: options.postScriptName || (options.familyName + options.styleName).replace(/\s/g, '')}, + designer: {en: options.designer || ' '}, + designerURL: {en: options.designerURL || ' '}, + manufacturer: {en: options.manufacturer || ' '}, + manufacturerURL: {en: options.manufacturerURL || ' '}, + license: {en: options.license || ' '}, + licenseURL: {en: options.licenseURL || ' '}, + version: {en: options.version || 'Version 0.1'}, + description: {en: options.description || ' '}, + copyright: {en: options.copyright || ' '}, + trademark: {en: options.trademark || ' '} + }; + this.unitsPerEm = options.unitsPerEm || 1000; + this.ascender = options.ascender; + this.descender = options.descender; + this.createdTimestamp = options.createdTimestamp; + this.tables = Object.assign(options.tables, { + os2: Object.assign({ + usWeightClass: options.weightClass || this.usWeightClasses.MEDIUM, + usWidthClass: options.widthClass || this.usWidthClasses.MEDIUM, + fsSelection: options.fsSelection || this.fsSelectionValues.REGULAR, + }, options.tables.os2) + }); + } + + this.supported = true; // Deprecated: parseBuffer will throw an error if font is not supported. + this.glyphs = new glyphset.GlyphSet(this, options.glyphs || []); + this.encoding = new DefaultEncoding(this); + this.position = new Position(this); + this.substitution = new Substitution(this); + this.tables = this.tables || {}; + + // needed for low memory mode only. + this._push = null; + this._hmtxTableData = {}; + + Object.defineProperty(this, 'hinting', { + get: function() { + if (this._hinting) { return this._hinting; } + if (this.outlinesFormat === 'truetype') { + return (this._hinting = new Hinting(this)); + } + } + }); +} + +/** + * Check if the font has a glyph for the given character. + * @param {string} + * @return {Boolean} + */ +Font.prototype.hasChar = function(c) { + return this.encoding.charToGlyphIndex(c) !== null; +}; + +/** + * Convert the given character to a single glyph index. + * Note that this function assumes that there is a one-to-one mapping between + * the given character and a glyph; for complex scripts this might not be the case. + * @param {string} + * @return {Number} + */ +Font.prototype.charToGlyphIndex = function(s) { + return this.encoding.charToGlyphIndex(s); +}; + +/** + * Convert the given character to a single Glyph object. + * Note that this function assumes that there is a one-to-one mapping between + * the given character and a glyph; for complex scripts this might not be the case. + * @param {string} + * @return {opentype.Glyph} + */ +Font.prototype.charToGlyph = function(c) { + var glyphIndex = this.charToGlyphIndex(c); + var glyph = this.glyphs.get(glyphIndex); + if (!glyph) { + // .notdef + glyph = this.glyphs.get(0); + } + + return glyph; +}; + +/** + * Update features + * @param {any} options features options + */ +Font.prototype.updateFeatures = function (options) { + // TODO: update all features options not only 'latn'. + return this.defaultRenderOptions.features.map(function (feature) { + if (feature.script === 'latn') { + return { + script: 'latn', + tags: feature.tags.filter(function (tag) { return options[tag]; }) + }; + } else { + return feature; + } + }); +}; + +/** + * Convert the given text to a list of Glyph objects. + * Note that there is no strict one-to-one mapping between characters and + * glyphs, so the list of returned glyphs can be larger or smaller than the + * length of the given string. + * @param {string} + * @param {GlyphRenderOptions} [options] + * @return {opentype.Glyph[]} + */ +Font.prototype.stringToGlyphs = function(s, options) { + var this$1 = this; + + + var bidi = new Bidi(); + + // Create and register 'glyphIndex' state modifier + var charToGlyphIndexMod = function (token) { return this$1.charToGlyphIndex(token.char); }; + bidi.registerModifier('glyphIndex', null, charToGlyphIndexMod); + + // roll-back to default features + var features = options ? + this.updateFeatures(options.features) : + this.defaultRenderOptions.features; + + bidi.applyFeatures(this, features); + + var indexes = bidi.getTextGlyphs(s); + + var length = indexes.length; + + // convert glyph indexes to glyph objects + var glyphs = new Array(length); + var notdef = this.glyphs.get(0); + for (var i = 0; i < length; i += 1) { + glyphs[i] = this.glyphs.get(indexes[i]) || notdef; + } + return glyphs; +}; + +/** + * @param {string} + * @return {Number} + */ +Font.prototype.nameToGlyphIndex = function(name) { + return this.glyphNames.nameToGlyphIndex(name); +}; + +/** + * @param {string} + * @return {opentype.Glyph} + */ +Font.prototype.nameToGlyph = function(name) { + var glyphIndex = this.nameToGlyphIndex(name); + var glyph = this.glyphs.get(glyphIndex); + if (!glyph) { + // .notdef + glyph = this.glyphs.get(0); + } + + return glyph; +}; + +/** + * @param {Number} + * @return {String} + */ +Font.prototype.glyphIndexToName = function(gid) { + if (!this.glyphNames.glyphIndexToName) { + return ''; + } + + return this.glyphNames.glyphIndexToName(gid); +}; + +/** + * Retrieve the value of the kerning pair between the left glyph (or its index) + * and the right glyph (or its index). If no kerning pair is found, return 0. + * The kerning value gets added to the advance width when calculating the spacing + * between glyphs. + * For GPOS kerning, this method uses the default script and language, which covers + * most use cases. To have greater control, use font.position.getKerningValue . + * @param {opentype.Glyph} leftGlyph + * @param {opentype.Glyph} rightGlyph + * @return {Number} + */ +Font.prototype.getKerningValue = function(leftGlyph, rightGlyph) { + leftGlyph = leftGlyph.index || leftGlyph; + rightGlyph = rightGlyph.index || rightGlyph; + var gposKerning = this.position.defaultKerningTables; + if (gposKerning) { + return this.position.getKerningValue(gposKerning, leftGlyph, rightGlyph); + } + // "kern" table + return this.kerningPairs[leftGlyph + ',' + rightGlyph] || 0; +}; + +/** + * @typedef GlyphRenderOptions + * @type Object + * @property {string} [script] - script used to determine which features to apply. By default, 'DFLT' or 'latn' is used. + * See https://www.microsoft.com/typography/otspec/scripttags.htm + * @property {string} [language='dflt'] - language system used to determine which features to apply. + * See https://www.microsoft.com/typography/developers/opentype/languagetags.aspx + * @property {boolean} [kerning=true] - whether to include kerning values + * @property {object} [features] - OpenType Layout feature tags. Used to enable or disable the features of the given script/language system. + * See https://www.microsoft.com/typography/otspec/featuretags.htm + */ +Font.prototype.defaultRenderOptions = { + kerning: true, + features: [ + /** + * these 4 features are required to render Arabic text properly + * and shouldn't be turned off when rendering arabic text. + */ + { script: 'arab', tags: ['init', 'medi', 'fina', 'rlig'] }, + { script: 'latn', tags: ['liga', 'rlig'] } + ] +}; + +/** + * Helper function that invokes the given callback for each glyph in the given text. + * The callback gets `(glyph, x, y, fontSize, options)`.* @param {string} text + * @param {string} text - The text to apply. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {GlyphRenderOptions=} options + * @param {Function} callback + */ +Font.prototype.forEachGlyph = function(text, x, y, fontSize, options, callback) { + x = x !== undefined ? x : 0; + y = y !== undefined ? y : 0; + fontSize = fontSize !== undefined ? fontSize : 72; + options = Object.assign({}, this.defaultRenderOptions, options); + var fontScale = 1 / this.unitsPerEm * fontSize; + var glyphs = this.stringToGlyphs(text, options); + var kerningLookups; + if (options.kerning) { + var script = options.script || this.position.getDefaultScriptName(); + kerningLookups = this.position.getKerningTables(script, options.language); + } + for (var i = 0; i < glyphs.length; i += 1) { + var glyph = glyphs[i]; + callback.call(this, glyph, x, y, fontSize, options); + if (glyph.advanceWidth) { + x += glyph.advanceWidth * fontScale; + } + + if (options.kerning && i < glyphs.length - 1) { + // We should apply position adjustment lookups in a more generic way. + // Here we only use the xAdvance value. + var kerningValue = kerningLookups ? + this.position.getKerningValue(kerningLookups, glyph.index, glyphs[i + 1].index) : + this.getKerningValue(glyph, glyphs[i + 1]); + x += kerningValue * fontScale; + } + + if (options.letterSpacing) { + x += options.letterSpacing * fontSize; + } else if (options.tracking) { + x += (options.tracking / 1000) * fontSize; + } + } + return x; +}; + +/** + * Create a Path object that represents the given text. + * @param {string} text - The text to create. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {GlyphRenderOptions=} options + * @return {opentype.Path} + */ +Font.prototype.getPath = function(text, x, y, fontSize, options) { + var fullPath = new Path(); + this.forEachGlyph(text, x, y, fontSize, options, function(glyph, gX, gY, gFontSize) { + var glyphPath = glyph.getPath(gX, gY, gFontSize, options, this); + fullPath.extend(glyphPath); + }); + return fullPath; +}; + +/** + * Create an array of Path objects that represent the glyphs of a given text. + * @param {string} text - The text to create. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {GlyphRenderOptions=} options + * @return {opentype.Path[]} + */ +Font.prototype.getPaths = function(text, x, y, fontSize, options) { + var glyphPaths = []; + this.forEachGlyph(text, x, y, fontSize, options, function(glyph, gX, gY, gFontSize) { + var glyphPath = glyph.getPath(gX, gY, gFontSize, options, this); + glyphPaths.push(glyphPath); + }); + + return glyphPaths; +}; + +/** + * Returns the advance width of a text. + * + * This is something different than Path.getBoundingBox() as for example a + * suffixed whitespace increases the advanceWidth but not the bounding box + * or an overhanging letter like a calligraphic 'f' might have a quite larger + * bounding box than its advance width. + * + * This corresponds to canvas2dContext.measureText(text).width + * + * @param {string} text - The text to create. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {GlyphRenderOptions=} options + * @return advance width + */ +Font.prototype.getAdvanceWidth = function(text, fontSize, options) { + return this.forEachGlyph(text, 0, 0, fontSize, options, function() {}); +}; + +/** + * Draw the text on the given drawing context. + * @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas. + * @param {string} text - The text to create. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {GlyphRenderOptions=} options + */ +Font.prototype.draw = function(ctx, text, x, y, fontSize, options) { + this.getPath(text, x, y, fontSize, options).draw(ctx); +}; + +/** + * Draw the points of all glyphs in the text. + * On-curve points will be drawn in blue, off-curve points will be drawn in red. + * @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas. + * @param {string} text - The text to create. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {GlyphRenderOptions=} options + */ +Font.prototype.drawPoints = function(ctx, text, x, y, fontSize, options) { + this.forEachGlyph(text, x, y, fontSize, options, function(glyph, gX, gY, gFontSize) { + glyph.drawPoints(ctx, gX, gY, gFontSize); + }); +}; + +/** + * Draw lines indicating important font measurements for all glyphs in the text. + * Black lines indicate the origin of the coordinate system (point 0,0). + * Blue lines indicate the glyph bounding box. + * Green line indicates the advance width of the glyph. + * @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas. + * @param {string} text - The text to create. + * @param {number} [x=0] - Horizontal position of the beginning of the text. + * @param {number} [y=0] - Vertical position of the *baseline* of the text. + * @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. + * @param {GlyphRenderOptions=} options + */ +Font.prototype.drawMetrics = function(ctx, text, x, y, fontSize, options) { + this.forEachGlyph(text, x, y, fontSize, options, function(glyph, gX, gY, gFontSize) { + glyph.drawMetrics(ctx, gX, gY, gFontSize); + }); +}; + +/** + * @param {string} + * @return {string} + */ +Font.prototype.getEnglishName = function(name) { + var translations = this.names[name]; + if (translations) { + return translations.en; + } +}; + +/** + * Validate + */ +Font.prototype.validate = function() { + var _this = this; + + function assert(predicate, message) { + } + + function assertNamePresent(name) { + var englishName = _this.getEnglishName(name); + assert(englishName && englishName.trim().length > 0); + } + + // Identification information + assertNamePresent('fontFamily'); + assertNamePresent('weightName'); + assertNamePresent('manufacturer'); + assertNamePresent('copyright'); + assertNamePresent('version'); + + // Dimension information + assert(this.unitsPerEm > 0); +}; + +/** + * Convert the font object to a SFNT data structure. + * This structure contains all the necessary tables and metadata to create a binary OTF file. + * @return {opentype.Table} + */ +Font.prototype.toTables = function() { + return sfnt.fontToTable(this); +}; +/** + * @deprecated Font.toBuffer is deprecated. Use Font.toArrayBuffer instead. + */ +Font.prototype.toBuffer = function() { + console.warn('Font.toBuffer is deprecated. Use Font.toArrayBuffer instead.'); + return this.toArrayBuffer(); +}; +/** + * Converts a `opentype.Font` into an `ArrayBuffer` + * @return {ArrayBuffer} + */ +Font.prototype.toArrayBuffer = function() { + var sfntTable = this.toTables(); + var bytes = sfntTable.encode(); + var buffer = new ArrayBuffer(bytes.length); + var intArray = new Uint8Array(buffer); + for (var i = 0; i < bytes.length; i++) { + intArray[i] = bytes[i]; + } + + return buffer; +}; + +/** + * Initiate a download of the OpenType font. + */ +Font.prototype.download = function(fileName) { + var familyName = this.getEnglishName('fontFamily'); + var styleName = this.getEnglishName('fontSubfamily'); + fileName = fileName || familyName.replace(/\s/g, '') + '-' + styleName + '.otf'; + var arrayBuffer = this.toArrayBuffer(); + + window.URL = window.URL || window.webkitURL; + + if (window.URL) { + var dataView = new DataView(arrayBuffer); + var blob = new Blob([dataView], {type: 'font/opentype'}); + + var link = document.createElement('a'); + link.href = window.URL.createObjectURL(blob); + link.download = fileName; + + var event = document.createEvent('MouseEvents'); + event.initEvent('click', true, false); + link.dispatchEvent(event); + } else { + console.warn('Font file could not be downloaded. Try using a different browser.'); + } +}; +/** + * @private + */ +Font.prototype.fsSelectionValues = { + ITALIC: 0x001, //1 + UNDERSCORE: 0x002, //2 + NEGATIVE: 0x004, //4 + OUTLINED: 0x008, //8 + STRIKEOUT: 0x010, //16 + BOLD: 0x020, //32 + REGULAR: 0x040, //64 + USER_TYPO_METRICS: 0x080, //128 + WWS: 0x100, //256 + OBLIQUE: 0x200 //512 +}; + +/** + * @private + */ +Font.prototype.usWidthClasses = { + ULTRA_CONDENSED: 1, + EXTRA_CONDENSED: 2, + CONDENSED: 3, + SEMI_CONDENSED: 4, + MEDIUM: 5, + SEMI_EXPANDED: 6, + EXPANDED: 7, + EXTRA_EXPANDED: 8, + ULTRA_EXPANDED: 9 +}; + +/** + * @private + */ +Font.prototype.usWeightClasses = { + THIN: 100, + EXTRA_LIGHT: 200, + LIGHT: 300, + NORMAL: 400, + MEDIUM: 500, + SEMI_BOLD: 600, + BOLD: 700, + EXTRA_BOLD: 800, + BLACK: 900 +}; + +// The `fvar` table stores font variation axes and instances. + +function addName(name, names) { + var nameString = JSON.stringify(name); + var nameID = 256; + for (var nameKey in names) { + var n = parseInt(nameKey); + if (!n || n < 256) { + continue; + } + + if (JSON.stringify(names[nameKey]) === nameString) { + return n; + } + + if (nameID <= n) { + nameID = n + 1; + } + } + + names[nameID] = name; + return nameID; +} + +function makeFvarAxis(n, axis, names) { + var nameID = addName(axis.name, names); + return [ + {name: 'tag_' + n, type: 'TAG', value: axis.tag}, + {name: 'minValue_' + n, type: 'FIXED', value: axis.minValue << 16}, + {name: 'defaultValue_' + n, type: 'FIXED', value: axis.defaultValue << 16}, + {name: 'maxValue_' + n, type: 'FIXED', value: axis.maxValue << 16}, + {name: 'flags_' + n, type: 'USHORT', value: 0}, + {name: 'nameID_' + n, type: 'USHORT', value: nameID} + ]; +} + +function parseFvarAxis(data, start, names) { + var axis = {}; + var p = new parse.Parser(data, start); + axis.tag = p.parseTag(); + axis.minValue = p.parseFixed(); + axis.defaultValue = p.parseFixed(); + axis.maxValue = p.parseFixed(); + p.skip('uShort', 1); // reserved for flags; no values defined + axis.name = names[p.parseUShort()] || {}; + return axis; +} + +function makeFvarInstance(n, inst, axes, names) { + var nameID = addName(inst.name, names); + var fields = [ + {name: 'nameID_' + n, type: 'USHORT', value: nameID}, + {name: 'flags_' + n, type: 'USHORT', value: 0} + ]; + + for (var i = 0; i < axes.length; ++i) { + var axisTag = axes[i].tag; + fields.push({ + name: 'axis_' + n + ' ' + axisTag, + type: 'FIXED', + value: inst.coordinates[axisTag] << 16 + }); + } + + return fields; +} + +function parseFvarInstance(data, start, axes, names) { + var inst = {}; + var p = new parse.Parser(data, start); + inst.name = names[p.parseUShort()] || {}; + p.skip('uShort', 1); // reserved for flags; no values defined + + inst.coordinates = {}; + for (var i = 0; i < axes.length; ++i) { + inst.coordinates[axes[i].tag] = p.parseFixed(); + } + + return inst; +} + +function makeFvarTable(fvar, names) { + var result = new table.Table('fvar', [ + {name: 'version', type: 'ULONG', value: 0x10000}, + {name: 'offsetToData', type: 'USHORT', value: 0}, + {name: 'countSizePairs', type: 'USHORT', value: 2}, + {name: 'axisCount', type: 'USHORT', value: fvar.axes.length}, + {name: 'axisSize', type: 'USHORT', value: 20}, + {name: 'instanceCount', type: 'USHORT', value: fvar.instances.length}, + {name: 'instanceSize', type: 'USHORT', value: 4 + fvar.axes.length * 4} + ]); + result.offsetToData = result.sizeOf(); + + for (var i = 0; i < fvar.axes.length; i++) { + result.fields = result.fields.concat(makeFvarAxis(i, fvar.axes[i], names)); + } + + for (var j = 0; j < fvar.instances.length; j++) { + result.fields = result.fields.concat(makeFvarInstance(j, fvar.instances[j], fvar.axes, names)); + } + + return result; +} + +function parseFvarTable(data, start, names) { + var p = new parse.Parser(data, start); + var tableVersion = p.parseULong(); + check.argument(tableVersion === 0x00010000, 'Unsupported fvar table version.'); + var offsetToData = p.parseOffset16(); + // Skip countSizePairs. + p.skip('uShort', 1); + var axisCount = p.parseUShort(); + var axisSize = p.parseUShort(); + var instanceCount = p.parseUShort(); + var instanceSize = p.parseUShort(); + + var axes = []; + for (var i = 0; i < axisCount; i++) { + axes.push(parseFvarAxis(data, start + offsetToData + i * axisSize, names)); + } + + var instances = []; + var instanceStart = start + offsetToData + axisCount * axisSize; + for (var j = 0; j < instanceCount; j++) { + instances.push(parseFvarInstance(data, instanceStart + j * instanceSize, axes, names)); + } + + return {axes: axes, instances: instances}; +} + +var fvar = { make: makeFvarTable, parse: parseFvarTable }; + +// The `GDEF` table contains various glyph properties + +var attachList = function() { + return { + coverage: this.parsePointer(Parser.coverage), + attachPoints: this.parseList(Parser.pointer(Parser.uShortList)) + }; +}; + +var caretValue = function() { + var format = this.parseUShort(); + check.argument(format === 1 || format === 2 || format === 3, + 'Unsupported CaretValue table version.'); + if (format === 1) { + return { coordinate: this.parseShort() }; + } else if (format === 2) { + return { pointindex: this.parseShort() }; + } else if (format === 3) { + // Device / Variation Index tables unsupported + return { coordinate: this.parseShort() }; + } +}; + +var ligGlyph = function() { + return this.parseList(Parser.pointer(caretValue)); +}; + +var ligCaretList = function() { + return { + coverage: this.parsePointer(Parser.coverage), + ligGlyphs: this.parseList(Parser.pointer(ligGlyph)) + }; +}; + +var markGlyphSets = function() { + this.parseUShort(); // Version + return this.parseList(Parser.pointer(Parser.coverage)); +}; + +function parseGDEFTable(data, start) { + start = start || 0; + var p = new Parser(data, start); + var tableVersion = p.parseVersion(1); + check.argument(tableVersion === 1 || tableVersion === 1.2 || tableVersion === 1.3, + 'Unsupported GDEF table version.'); + var gdef = { + version: tableVersion, + classDef: p.parsePointer(Parser.classDef), + attachList: p.parsePointer(attachList), + ligCaretList: p.parsePointer(ligCaretList), + markAttachClassDef: p.parsePointer(Parser.classDef) + }; + if (tableVersion >= 1.2) { + gdef.markGlyphSets = p.parsePointer(markGlyphSets); + } + return gdef; +} +var gdef = { parse: parseGDEFTable }; + +// The `GPOS` table contains kerning pairs, among other things. + +var subtableParsers$1 = new Array(10); // subtableParsers[0] is unused + +// https://docs.microsoft.com/en-us/typography/opentype/spec/gpos#lookup-type-1-single-adjustment-positioning-subtable +// this = Parser instance +subtableParsers$1[1] = function parseLookup1() { + var start = this.offset + this.relativeOffset; + var posformat = this.parseUShort(); + if (posformat === 1) { + return { + posFormat: 1, + coverage: this.parsePointer(Parser.coverage), + value: this.parseValueRecord() + }; + } else if (posformat === 2) { + return { + posFormat: 2, + coverage: this.parsePointer(Parser.coverage), + values: this.parseValueRecordList() + }; + } + check.assert(false, '0x' + start.toString(16) + ': GPOS lookup type 1 format must be 1 or 2.'); +}; + +// https://docs.microsoft.com/en-us/typography/opentype/spec/gpos#lookup-type-2-pair-adjustment-positioning-subtable +subtableParsers$1[2] = function parseLookup2() { + var start = this.offset + this.relativeOffset; + var posFormat = this.parseUShort(); + check.assert(posFormat === 1 || posFormat === 2, '0x' + start.toString(16) + ': GPOS lookup type 2 format must be 1 or 2.'); + var coverage = this.parsePointer(Parser.coverage); + var valueFormat1 = this.parseUShort(); + var valueFormat2 = this.parseUShort(); + if (posFormat === 1) { + // Adjustments for Glyph Pairs + return { + posFormat: posFormat, + coverage: coverage, + valueFormat1: valueFormat1, + valueFormat2: valueFormat2, + pairSets: this.parseList(Parser.pointer(Parser.list(function() { + return { // pairValueRecord + secondGlyph: this.parseUShort(), + value1: this.parseValueRecord(valueFormat1), + value2: this.parseValueRecord(valueFormat2) + }; + }))) + }; + } else if (posFormat === 2) { + var classDef1 = this.parsePointer(Parser.classDef); + var classDef2 = this.parsePointer(Parser.classDef); + var class1Count = this.parseUShort(); + var class2Count = this.parseUShort(); + return { + // Class Pair Adjustment + posFormat: posFormat, + coverage: coverage, + valueFormat1: valueFormat1, + valueFormat2: valueFormat2, + classDef1: classDef1, + classDef2: classDef2, + class1Count: class1Count, + class2Count: class2Count, + classRecords: this.parseList(class1Count, Parser.list(class2Count, function() { + return { + value1: this.parseValueRecord(valueFormat1), + value2: this.parseValueRecord(valueFormat2) + }; + })) + }; + } +}; + +subtableParsers$1[3] = function parseLookup3() { return { error: 'GPOS Lookup 3 not supported' }; }; +subtableParsers$1[4] = function parseLookup4() { return { error: 'GPOS Lookup 4 not supported' }; }; +subtableParsers$1[5] = function parseLookup5() { return { error: 'GPOS Lookup 5 not supported' }; }; +subtableParsers$1[6] = function parseLookup6() { return { error: 'GPOS Lookup 6 not supported' }; }; +subtableParsers$1[7] = function parseLookup7() { return { error: 'GPOS Lookup 7 not supported' }; }; +subtableParsers$1[8] = function parseLookup8() { return { error: 'GPOS Lookup 8 not supported' }; }; +subtableParsers$1[9] = function parseLookup9() { return { error: 'GPOS Lookup 9 not supported' }; }; + +// https://docs.microsoft.com/en-us/typography/opentype/spec/gpos +function parseGposTable(data, start) { + start = start || 0; + var p = new Parser(data, start); + var tableVersion = p.parseVersion(1); + check.argument(tableVersion === 1 || tableVersion === 1.1, 'Unsupported GPOS table version ' + tableVersion); + + if (tableVersion === 1) { + return { + version: tableVersion, + scripts: p.parseScriptList(), + features: p.parseFeatureList(), + lookups: p.parseLookupList(subtableParsers$1) + }; + } else { + return { + version: tableVersion, + scripts: p.parseScriptList(), + features: p.parseFeatureList(), + lookups: p.parseLookupList(subtableParsers$1), + variations: p.parseFeatureVariationsList() + }; + } + +} + +// GPOS Writing ////////////////////////////////////////////// +// NOT SUPPORTED +var subtableMakers$1 = new Array(10); + +function makeGposTable(gpos) { + return new table.Table('GPOS', [ + {name: 'version', type: 'ULONG', value: 0x10000}, + {name: 'scripts', type: 'TABLE', value: new table.ScriptList(gpos.scripts)}, + {name: 'features', type: 'TABLE', value: new table.FeatureList(gpos.features)}, + {name: 'lookups', type: 'TABLE', value: new table.LookupList(gpos.lookups, subtableMakers$1)} + ]); +} + +var gpos = { parse: parseGposTable, make: makeGposTable }; + +// The `kern` table contains kerning pairs. + +function parseWindowsKernTable(p) { + var pairs = {}; + // Skip nTables. + p.skip('uShort'); + var subtableVersion = p.parseUShort(); + check.argument(subtableVersion === 0, 'Unsupported kern sub-table version.'); + // Skip subtableLength, subtableCoverage + p.skip('uShort', 2); + var nPairs = p.parseUShort(); + // Skip searchRange, entrySelector, rangeShift. + p.skip('uShort', 3); + for (var i = 0; i < nPairs; i += 1) { + var leftIndex = p.parseUShort(); + var rightIndex = p.parseUShort(); + var value = p.parseShort(); + pairs[leftIndex + ',' + rightIndex] = value; + } + return pairs; +} + +function parseMacKernTable(p) { + var pairs = {}; + // The Mac kern table stores the version as a fixed (32 bits) but we only loaded the first 16 bits. + // Skip the rest. + p.skip('uShort'); + var nTables = p.parseULong(); + //check.argument(nTables === 1, 'Only 1 subtable is supported (got ' + nTables + ').'); + if (nTables > 1) { + console.warn('Only the first kern subtable is supported.'); + } + p.skip('uLong'); + var coverage = p.parseUShort(); + var subtableVersion = coverage & 0xFF; + p.skip('uShort'); + if (subtableVersion === 0) { + var nPairs = p.parseUShort(); + // Skip searchRange, entrySelector, rangeShift. + p.skip('uShort', 3); + for (var i = 0; i < nPairs; i += 1) { + var leftIndex = p.parseUShort(); + var rightIndex = p.parseUShort(); + var value = p.parseShort(); + pairs[leftIndex + ',' + rightIndex] = value; + } + } + return pairs; +} + +// Parse the `kern` table which contains kerning pairs. +function parseKernTable(data, start) { + var p = new parse.Parser(data, start); + var tableVersion = p.parseUShort(); + if (tableVersion === 0) { + return parseWindowsKernTable(p); + } else if (tableVersion === 1) { + return parseMacKernTable(p); + } else { + throw new Error('Unsupported kern table version (' + tableVersion + ').'); + } +} + +var kern = { parse: parseKernTable }; + +// The `loca` table stores the offsets to the locations of the glyphs in the font. + +// Parse the `loca` table. This table stores the offsets to the locations of the glyphs in the font, +// relative to the beginning of the glyphData table. +// The number of glyphs stored in the `loca` table is specified in the `maxp` table (under numGlyphs) +// The loca table has two versions: a short version where offsets are stored as uShorts, and a long +// version where offsets are stored as uLongs. The `head` table specifies which version to use +// (under indexToLocFormat). +function parseLocaTable(data, start, numGlyphs, shortVersion) { + var p = new parse.Parser(data, start); + var parseFn = shortVersion ? p.parseUShort : p.parseULong; + // There is an extra entry after the last index element to compute the length of the last glyph. + // That's why we use numGlyphs + 1. + var glyphOffsets = []; + for (var i = 0; i < numGlyphs + 1; i += 1) { + var glyphOffset = parseFn.call(p); + if (shortVersion) { + // The short table version stores the actual offset divided by 2. + glyphOffset *= 2; + } + + glyphOffsets.push(glyphOffset); + } + + return glyphOffsets; +} + +var loca = { parse: parseLocaTable }; + +// opentype.js + +/** + * The opentype library. + * @namespace opentype + */ + +// File loaders ///////////////////////////////////////////////////////// + +/** + * Loads a font from a URL. The callback throws an error message as the first parameter if it fails + * and the font as an ArrayBuffer in the second parameter if it succeeds. + * @param {string} url - The URL of the font file. + * @param {Function} callback - The function to call when the font load completes + */ +function loadFromUrl(url, callback) { + var request = new XMLHttpRequest(); + request.open('get', url, true); + request.responseType = 'arraybuffer'; + request.onload = function() { + if (request.response) { + return callback(null, request.response); + } else { + return callback('Font could not be loaded: ' + request.statusText); + } + }; + + request.onerror = function () { + callback('Font could not be loaded'); + }; + + request.send(); +} + +// Table Directory Entries ////////////////////////////////////////////// +/** + * Parses OpenType table entries. + * @param {DataView} + * @param {Number} + * @return {Object[]} + */ +function parseOpenTypeTableEntries(data, numTables) { + var tableEntries = []; + var p = 12; + for (var i = 0; i < numTables; i += 1) { + var tag = parse.getTag(data, p); + var checksum = parse.getULong(data, p + 4); + var offset = parse.getULong(data, p + 8); + var length = parse.getULong(data, p + 12); + tableEntries.push({tag: tag, checksum: checksum, offset: offset, length: length, compression: false}); + p += 16; + } + + return tableEntries; +} + +/** + * Parses WOFF table entries. + * @param {DataView} + * @param {Number} + * @return {Object[]} + */ +function parseWOFFTableEntries(data, numTables) { + var tableEntries = []; + var p = 44; // offset to the first table directory entry. + for (var i = 0; i < numTables; i += 1) { + var tag = parse.getTag(data, p); + var offset = parse.getULong(data, p + 4); + var compLength = parse.getULong(data, p + 8); + var origLength = parse.getULong(data, p + 12); + var compression = (void 0); + if (compLength < origLength) { + compression = 'WOFF'; + } else { + compression = false; + } + + tableEntries.push({tag: tag, offset: offset, compression: compression, + compressedLength: compLength, length: origLength}); + p += 20; + } + + return tableEntries; +} + +/** + * @typedef TableData + * @type Object + * @property {DataView} data - The DataView + * @property {number} offset - The data offset. + */ + +/** + * @param {DataView} + * @param {Object} + * @return {TableData} + */ +function uncompressTable(data, tableEntry) { + if (tableEntry.compression === 'WOFF') { + var inBuffer = new Uint8Array(data.buffer, tableEntry.offset + 2, tableEntry.compressedLength - 2); + var outBuffer = new Uint8Array(tableEntry.length); + tinyInflate(inBuffer, outBuffer); + if (outBuffer.byteLength !== tableEntry.length) { + throw new Error('Decompression error: ' + tableEntry.tag + ' decompressed length doesn\'t match recorded length'); + } + + var view = new DataView(outBuffer.buffer, 0); + return {data: view, offset: 0}; + } else { + return {data: data, offset: tableEntry.offset}; + } +} + +// Public API /////////////////////////////////////////////////////////// + +/** + * Parse the OpenType file data (as an ArrayBuffer) and return a Font object. + * Throws an error if the font could not be parsed. + * @param {ArrayBuffer} + * @param {Object} opt - options for parsing + * @return {opentype.Font} + */ +function parseBuffer(buffer, opt) { + opt = (opt === undefined || opt === null) ? {} : opt; + + var indexToLocFormat; + var ltagTable; + + // Since the constructor can also be called to create new fonts from scratch, we indicate this + // should be an empty font that we'll fill with our own data. + var font = new Font({empty: true}); + + // OpenType fonts use big endian byte ordering. + // We can't rely on typed array view types, because they operate with the endianness of the host computer. + // Instead we use DataViews where we can specify endianness. + var data = new DataView(buffer, 0); + var numTables; + var tableEntries = []; + var signature = parse.getTag(data, 0); + if (signature === String.fromCharCode(0, 1, 0, 0) || signature === 'true' || signature === 'typ1') { + font.outlinesFormat = 'truetype'; + numTables = parse.getUShort(data, 4); + tableEntries = parseOpenTypeTableEntries(data, numTables); + } else if (signature === 'OTTO') { + font.outlinesFormat = 'cff'; + numTables = parse.getUShort(data, 4); + tableEntries = parseOpenTypeTableEntries(data, numTables); + } else if (signature === 'wOFF') { + var flavor = parse.getTag(data, 4); + if (flavor === String.fromCharCode(0, 1, 0, 0)) { + font.outlinesFormat = 'truetype'; + } else if (flavor === 'OTTO') { + font.outlinesFormat = 'cff'; + } else { + throw new Error('Unsupported OpenType flavor ' + signature); + } + + numTables = parse.getUShort(data, 12); + tableEntries = parseWOFFTableEntries(data, numTables); + } else { + throw new Error('Unsupported OpenType signature ' + signature); + } + + var cffTableEntry; + var fvarTableEntry; + var glyfTableEntry; + var gdefTableEntry; + var gposTableEntry; + var gsubTableEntry; + var hmtxTableEntry; + var kernTableEntry; + var locaTableEntry; + var nameTableEntry; + var metaTableEntry; + var p; + + for (var i = 0; i < numTables; i += 1) { + var tableEntry = tableEntries[i]; + var table = (void 0); + switch (tableEntry.tag) { + case 'cmap': + table = uncompressTable(data, tableEntry); + font.tables.cmap = cmap.parse(table.data, table.offset); + font.encoding = new CmapEncoding(font.tables.cmap); + break; + case 'cvt ' : + table = uncompressTable(data, tableEntry); + p = new parse.Parser(table.data, table.offset); + font.tables.cvt = p.parseShortList(tableEntry.length / 2); + break; + case 'fvar': + fvarTableEntry = tableEntry; + break; + case 'fpgm' : + table = uncompressTable(data, tableEntry); + p = new parse.Parser(table.data, table.offset); + font.tables.fpgm = p.parseByteList(tableEntry.length); + break; + case 'head': + table = uncompressTable(data, tableEntry); + font.tables.head = head.parse(table.data, table.offset); + font.unitsPerEm = font.tables.head.unitsPerEm; + indexToLocFormat = font.tables.head.indexToLocFormat; + break; + case 'hhea': + table = uncompressTable(data, tableEntry); + font.tables.hhea = hhea.parse(table.data, table.offset); + font.ascender = font.tables.hhea.ascender; + font.descender = font.tables.hhea.descender; + font.numberOfHMetrics = font.tables.hhea.numberOfHMetrics; + break; + case 'hmtx': + hmtxTableEntry = tableEntry; + break; + case 'ltag': + table = uncompressTable(data, tableEntry); + ltagTable = ltag.parse(table.data, table.offset); + break; + case 'COLR': + table = uncompressTable(data, tableEntry); + font.tables.colr = colr.parse(table.data, table.offset); + break; + case 'CPAL': + table = uncompressTable(data, tableEntry); + font.tables.cpal = cpal.parse(table.data, table.offset); + break; + case 'maxp': + table = uncompressTable(data, tableEntry); + font.tables.maxp = maxp.parse(table.data, table.offset); + font.numGlyphs = font.tables.maxp.numGlyphs; + break; + case 'name': + nameTableEntry = tableEntry; + break; + case 'OS/2': + table = uncompressTable(data, tableEntry); + font.tables.os2 = os2.parse(table.data, table.offset); + break; + case 'post': + table = uncompressTable(data, tableEntry); + font.tables.post = post.parse(table.data, table.offset); + font.glyphNames = new GlyphNames(font.tables.post); + break; + case 'prep' : + table = uncompressTable(data, tableEntry); + p = new parse.Parser(table.data, table.offset); + font.tables.prep = p.parseByteList(tableEntry.length); + break; + case 'glyf': + glyfTableEntry = tableEntry; + break; + case 'loca': + locaTableEntry = tableEntry; + break; + case 'CFF ': + cffTableEntry = tableEntry; + break; + case 'kern': + kernTableEntry = tableEntry; + break; + case 'GDEF': + gdefTableEntry = tableEntry; + break; + case 'GPOS': + gposTableEntry = tableEntry; + break; + case 'GSUB': + gsubTableEntry = tableEntry; + break; + case 'meta': + metaTableEntry = tableEntry; + break; + } + } + + var nameTable = uncompressTable(data, nameTableEntry); + font.tables.name = _name.parse(nameTable.data, nameTable.offset, ltagTable); + font.names = font.tables.name; + + if (glyfTableEntry && locaTableEntry) { + var shortVersion = indexToLocFormat === 0; + var locaTable = uncompressTable(data, locaTableEntry); + var locaOffsets = loca.parse(locaTable.data, locaTable.offset, font.numGlyphs, shortVersion); + var glyfTable = uncompressTable(data, glyfTableEntry); + font.glyphs = glyf.parse(glyfTable.data, glyfTable.offset, locaOffsets, font, opt); + } else if (cffTableEntry) { + var cffTable = uncompressTable(data, cffTableEntry); + cff.parse(cffTable.data, cffTable.offset, font, opt); + } else { + throw new Error('Font doesn\'t contain TrueType or CFF outlines.'); + } + + var hmtxTable = uncompressTable(data, hmtxTableEntry); + hmtx.parse(font, hmtxTable.data, hmtxTable.offset, font.numberOfHMetrics, font.numGlyphs, font.glyphs, opt); + addGlyphNames(font, opt); + + if (kernTableEntry) { + var kernTable = uncompressTable(data, kernTableEntry); + font.kerningPairs = kern.parse(kernTable.data, kernTable.offset); + } else { + font.kerningPairs = {}; + } + + if (gdefTableEntry) { + var gdefTable = uncompressTable(data, gdefTableEntry); + font.tables.gdef = gdef.parse(gdefTable.data, gdefTable.offset); + } + + if (gposTableEntry) { + var gposTable = uncompressTable(data, gposTableEntry); + font.tables.gpos = gpos.parse(gposTable.data, gposTable.offset); + font.position.init(); + } + + if (gsubTableEntry) { + var gsubTable = uncompressTable(data, gsubTableEntry); + font.tables.gsub = gsub.parse(gsubTable.data, gsubTable.offset); + } + + if (fvarTableEntry) { + var fvarTable = uncompressTable(data, fvarTableEntry); + font.tables.fvar = fvar.parse(fvarTable.data, fvarTable.offset, font.names); + } + + if (metaTableEntry) { + var metaTable = uncompressTable(data, metaTableEntry); + font.tables.meta = meta.parse(metaTable.data, metaTable.offset); + font.metas = font.tables.meta; + } + + return font; +} + +/** + * Asynchronously load the font from a URL or a filesystem. When done, call the callback + * with two arguments `(err, font)`. The `err` will be null on success, + * the `font` is a Font object. + * We use the node.js callback convention so that + * opentype.js can integrate with frameworks like async.js. + * @alias opentype.load + * @param {string} url - The URL of the font to load. + * @param {Function} callback - The callback. + */ +function load(url, callback, opt) { + opt = (opt === undefined || opt === null) ? {} : opt; + + return new Promise(function (resolve, reject) { + loadFromUrl(url, function(err, arrayBuffer) { + if (err) { + if (callback) { + return callback(err); + } else { + reject(err); + } + } + var font; + try { + font = parseBuffer(arrayBuffer, opt); + } catch (e) { + if (callback) { + return callback(e, null); + } else { + reject(e); + } + } + if (callback) { + return callback(null, font); + } else { + resolve(font); + } + }); + }); +} + +var opentype = /*#__PURE__*/Object.freeze({ + __proto__: null, + Font: Font, + Glyph: Glyph, + Path: Path, + BoundingBox: BoundingBox, + _parse: parse, + parse: parseBuffer, + load: load, +}); + +export default opentype; +export { BoundingBox, Font, Glyph, Path, parse as _parse, load, parseBuffer as parse }; diff --git a/node_modules/three/examples/jsm/libs/potpack.module.js b/node_modules/three/examples/jsm/libs/potpack.module.js new file mode 100644 index 0000000..efba9a4 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/potpack.module.js @@ -0,0 +1,125 @@ +/** + * potpack - by [@mourner](https://github.com/mourner) + * + * A tiny JavaScript function for packing 2D rectangles into a near-square container, + * which is useful for generating CSS sprites and WebGL textures. Similar to + * [shelf-pack](https://github.com/mapbox/shelf-pack), but static (you can't add items + * once a layout is generated), and aims for maximal space utilization. + * + * A variation of algorithms used in [rectpack2D](https://github.com/TeamHypersomnia/rectpack2D) + * and [bin-pack](https://github.com/bryanburgers/bin-pack), which are in turn based + * on [this article by Blackpawn](http://blackpawn.com/texts/lightmaps/default.html). + * + * @license + * ISC License + * + * Copyright (c) 2018, Mapbox + * + * Permission to use, copy, modify, and/or distribute this software for any purpose + * with or without fee is hereby granted, provided that the above copyright notice + * and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS + * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF + * THIS SOFTWARE. + */ + +function potpack(boxes) { + + // calculate total box area and maximum box width + let area = 0; + let maxWidth = 0; + + for (const box of boxes) { + area += box.w * box.h; + maxWidth = Math.max(maxWidth, box.w); + } + + // sort the boxes for insertion by height, descending + boxes.sort((a, b) => b.h - a.h); + + // aim for a squarish resulting container, + // slightly adjusted for sub-100% space utilization + const startWidth = Math.max(Math.ceil(Math.sqrt(area / 0.95)), maxWidth); + + // start with a single empty space, unbounded at the bottom + const spaces = [{x: 0, y: 0, w: startWidth, h: Infinity}]; + + let width = 0; + let height = 0; + + for (const box of boxes) { + // look through spaces backwards so that we check smaller spaces first + for (let i = spaces.length - 1; i >= 0; i--) { + const space = spaces[i]; + + // look for empty spaces that can accommodate the current box + if (box.w > space.w || box.h > space.h) continue; + + // found the space; add the box to its top-left corner + // |-------|-------| + // | box | | + // |_______| | + // | space | + // |_______________| + box.x = space.x; + box.y = space.y; + + height = Math.max(height, box.y + box.h); + width = Math.max(width, box.x + box.w); + + if (box.w === space.w && box.h === space.h) { + // space matches the box exactly; remove it + const last = spaces.pop(); + if (i < spaces.length) spaces[i] = last; + + } else if (box.h === space.h) { + // space matches the box height; update it accordingly + // |-------|---------------| + // | box | updated space | + // |_______|_______________| + space.x += box.w; + space.w -= box.w; + + } else if (box.w === space.w) { + // space matches the box width; update it accordingly + // |---------------| + // | box | + // |_______________| + // | updated space | + // |_______________| + space.y += box.h; + space.h -= box.h; + + } else { + // otherwise the box splits the space into two spaces + // |-------|-----------| + // | box | new space | + // |_______|___________| + // | updated space | + // |___________________| + spaces.push({ + x: space.x + box.w, + y: space.y, + w: space.w - box.w, + h: box.h + }); + space.y += box.h; + space.h -= box.h; + } + break; + } + } + + return { + w: width, // container width + h: height, // container height + fill: (area / (width * height)) || 0 // space utilization + }; +} + +export { potpack }; \ No newline at end of file diff --git a/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.js b/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.js new file mode 100644 index 0000000..8b41705 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.js @@ -0,0 +1,21 @@ + +var rhino3dm = (() => { + var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined; + if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename; + return ( +function(config) { + var rhino3dm = config || {}; + +var Module=typeof rhino3dm!="undefined"?rhino3dm:{};var readyPromiseResolve,readyPromiseReject;Module["ready"]=new Promise(function(resolve,reject){readyPromiseResolve=resolve;readyPromiseReject=reject});var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;function logExceptionOnExit(e){if(e instanceof ExitStatus)return;let toLog=e;err("exiting due to exception: "+toLog)}if(ENVIRONMENT_IS_NODE){var fs=require("fs");var nodePath=require("path");if(ENVIRONMENT_IS_WORKER){scriptDirectory=nodePath.dirname(scriptDirectory)+"/"}else{scriptDirectory=__dirname+"/"}read_=(filename,binary)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);return fs.readFileSync(filename,binary?undefined:"utf8")};readBinary=filename=>{var ret=read_(filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}return ret};readAsync=(filename,onload,onerror)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);fs.readFile(filename,function(err,data){if(err)onerror(err);else onload(data.buffer)})};if(process["argv"].length>1){thisProgram=process["argv"][1].replace(/\\/g,"/")}arguments_=process["argv"].slice(2);process["on"]("uncaughtException",function(ex){if(!(ex instanceof ExitStatus)){throw ex}});process["on"]("unhandledRejection",function(reason){throw reason});quit_=(status,toThrow)=>{if(keepRuntimeAlive()){process["exitCode"]=status;throw toThrow}logExceptionOnExit(toThrow);process["exit"](status)};Module["inspect"]=function(){return"[Emscripten Module object]"}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}else{scriptDirectory=""}{read_=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=(url,onload,onerror)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}setWindowTitle=title=>document.title=title}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.warn.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["quit"])quit_=Module["quit"];var POINTER_SIZE=4;var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];var noExitRuntime=Module["noExitRuntime"]||true;if(typeof WebAssembly!="object"){abort("no native wasm support detected")}var wasmMemory;var ABORT=false;var EXITSTATUS;function assert(condition,text){if(!condition){abort(text)}}var UTF8Decoder=typeof TextDecoder!="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(heapOrArray,idx,maxBytesToRead){var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heapOrArray[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx>10,56320|ch&1023)}}return str}function UTF8ToString(ptr,maxBytesToRead){return ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):""}function stringToUTF8Array(str,heap,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx}function stringToUTF8(str,outPtr,maxBytesToWrite){return stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite)}function lengthBytesUTF8(str){var len=0;for(var i=0;i=55296&&c<=57343){len+=4;++i}else{len+=3}}return len}var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b)}var INITIAL_MEMORY=Module["INITIAL_MEMORY"]||16777216;var wasmTable;var __ATPRERUN__=[];var __ATINIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function keepRuntimeAlive(){return noExitRuntime}function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;SOCKFS.root=FS.mount(SOCKFS,{},null);if(!Module["noFSInit"]&&!FS.init.initialized)FS.init();FS.ignorePermissions=false;TTY.init();callRuntimeCallbacks(__ATINIT__)}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnInit(cb){__ATINIT__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function getUniqueRunDependency(id){return id}function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}what="Aborted("+what+")";err(what);ABORT=true;EXITSTATUS=1;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject(e);throw e}var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return filename.startsWith(dataURIPrefix)}function isFileURI(filename){return filename.startsWith("file://")}var wasmBinaryFile;wasmBinaryFile="rhino3dm.wasm";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}function getBinary(file){try{if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}catch(err){abort(err)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)){if(typeof fetch=="function"&&!isFileURI(wasmBinaryFile)){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){if(!response["ok"]){throw"failed to load wasm binary file at '"+wasmBinaryFile+"'"}return response["arrayBuffer"]()}).catch(function(){return getBinary(wasmBinaryFile)})}else{if(readAsync){return new Promise(function(resolve,reject){readAsync(wasmBinaryFile,function(response){resolve(new Uint8Array(response))},reject)})}}}return Promise.resolve().then(function(){return getBinary(wasmBinaryFile)})}function createWasm(){var info={"a":asmLibraryArg};function receiveInstance(instance,module){var exports=instance.exports;Module["asm"]=exports;wasmMemory=Module["asm"]["oa"];updateMemoryViews();wasmTable=Module["asm"]["qa"];addOnInit(Module["asm"]["pa"]);removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){receiveInstance(result["instance"])}function instantiateArrayBuffer(receiver){return getBinaryPromise().then(function(binary){return WebAssembly.instantiate(binary,info)}).then(function(instance){return instance}).then(receiver,function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(wasmBinaryFile)&&!isFileURI(wasmBinaryFile)&&!ENVIRONMENT_IS_NODE&&typeof fetch=="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiationResult,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(receiveInstantiationResult)})})}else{return instantiateArrayBuffer(receiveInstantiationResult)}}if(Module["instantiateWasm"]){try{var exports=Module["instantiateWasm"](info,receiveInstance);return exports}catch(e){err("Module.instantiateWasm callback failed with error: "+e);readyPromiseReject(e)}}instantiateAsync().catch(readyPromiseReject);return{}}var tempDouble;var tempI64;function ExitStatus(status){this.name="ExitStatus";this.message="Program terminated with exit("+status+")";this.status=status}function callRuntimeCallbacks(callbacks){while(callbacks.length>0){callbacks.shift()(Module)}}function ExceptionInfo(excPtr){this.excPtr=excPtr;this.ptr=excPtr-24;this.set_type=function(type){HEAPU32[this.ptr+4>>2]=type};this.get_type=function(){return HEAPU32[this.ptr+4>>2]};this.set_destructor=function(destructor){HEAPU32[this.ptr+8>>2]=destructor};this.get_destructor=function(){return HEAPU32[this.ptr+8>>2]};this.set_refcount=function(refcount){HEAP32[this.ptr>>2]=refcount};this.set_caught=function(caught){caught=caught?1:0;HEAP8[this.ptr+12>>0]=caught};this.get_caught=function(){return HEAP8[this.ptr+12>>0]!=0};this.set_rethrown=function(rethrown){rethrown=rethrown?1:0;HEAP8[this.ptr+13>>0]=rethrown};this.get_rethrown=function(){return HEAP8[this.ptr+13>>0]!=0};this.init=function(type,destructor){this.set_adjusted_ptr(0);this.set_type(type);this.set_destructor(destructor);this.set_refcount(0);this.set_caught(false);this.set_rethrown(false)};this.add_ref=function(){var value=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=value+1};this.release_ref=function(){var prev=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=prev-1;return prev===1};this.set_adjusted_ptr=function(adjustedPtr){HEAPU32[this.ptr+16>>2]=adjustedPtr};this.get_adjusted_ptr=function(){return HEAPU32[this.ptr+16>>2]};this.get_exception_ptr=function(){var isPointer=___cxa_is_pointer_type(this.get_type());if(isPointer){return HEAPU32[this.excPtr>>2]}var adjusted=this.get_adjusted_ptr();if(adjusted!==0)return adjusted;return this.excPtr}}var exceptionLast=0;var uncaughtExceptionCount=0;function ___cxa_throw(ptr,type,destructor){var info=new ExceptionInfo(ptr);info.init(type,destructor);exceptionLast=ptr;uncaughtExceptionCount++;throw ptr}function getRandomDevice(){if(typeof crypto=="object"&&typeof crypto["getRandomValues"]=="function"){var randomBuffer=new Uint8Array(1);return()=>{crypto.getRandomValues(randomBuffer);return randomBuffer[0]}}else if(ENVIRONMENT_IS_NODE){try{var crypto_module=require("crypto");return()=>crypto_module["randomBytes"](1)[0]}catch(e){}}return()=>abort("randomDevice")}var PATH={isAbs:path=>path.charAt(0)==="/",splitPath:filename=>{var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:(parts,allowAboveRoot)=>{var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts},normalize:path=>{var isAbsolute=PATH.isAbs(path),trailingSlash=path.substr(-1)==="/";path=PATH.normalizeArray(path.split("/").filter(p=>!!p),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path},dirname:path=>{var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir},basename:path=>{if(path==="/")return"/";path=PATH.normalize(path);path=path.replace(/\/$/,"");var lastSlash=path.lastIndexOf("/");if(lastSlash===-1)return path;return path.substr(lastSlash+1)},join:function(){var paths=Array.prototype.slice.call(arguments);return PATH.normalize(paths.join("/"))},join2:(l,r)=>{return PATH.normalize(l+"/"+r)}};var PATH_FS={resolve:function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:FS.cwd();if(typeof path!="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=PATH.isAbs(path)}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter(p=>!!p),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."},relative:(from,to)=>{from=PATH_FS.resolve(from).substr(1);to=PATH_FS.resolve(to).substr(1);function trim(arr){var start=0;for(;start=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}var TTY={ttys:[],init:function(){},shutdown:function(){},register:function(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open:function(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close:function(stream){stream.tty.ops.fsync(stream.tty)},fsync:function(stream){stream.tty.ops.fsync(stream.tty)},read:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i0){result=buf.slice(0,bytesRead).toString("utf-8")}else{result=null}}else if(typeof window!="undefined"&&typeof window.prompt=="function"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else if(typeof readline=="function"){result=readline();if(result!==null){result+="\n"}}if(!result){return null}tty.input=intArrayFromString(result,true)}return tty.input.shift()},put_char:function(tty,val){if(val===null||val===10){out(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync:function(tty){if(tty.output&&tty.output.length>0){out(UTF8ArrayToString(tty.output,0));tty.output=[]}}},default_tty1_ops:{put_char:function(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync:function(tty){if(tty.output&&tty.output.length>0){err(UTF8ArrayToString(tty.output,0));tty.output=[]}}}};function mmapAlloc(size){abort()}var MEMFS={ops_table:null,mount:function(mount){return MEMFS.createNode(null,"/",16384|511,0)},createNode:function(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}if(!MEMFS.ops_table){MEMFS.ops_table={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}}}var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node;parent.timestamp=node.timestamp}return node},getFileDataAsTypedArray:function(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage:function(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0)},resizeFileStorage:function(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0}else{var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize}},node_ops:{getattr:function(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr:function(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup:function(parent,name){throw FS.genericErrors[44]},mknod:function(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename:function(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.parent.timestamp=Date.now();old_node.name=new_name;new_dir.contents[new_name]=old_node;new_dir.timestamp=old_node.parent.timestamp;old_node.parent=new_dir},unlink:function(parent,name){delete parent.contents[name];parent.timestamp=Date.now()},rmdir:function(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name];parent.timestamp=Date.now()},readdir:function(node){var entries=[".",".."];for(var key in node.contents){if(!node.contents.hasOwnProperty(key)){continue}entries.push(key)}return entries},symlink:function(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink:function(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read:function(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i0||position+length{assert(arrayBuffer,'Loading data file "'+url+'" failed (no arrayBuffer).');onload(new Uint8Array(arrayBuffer));if(dep)removeRunDependency(dep)},event=>{if(onerror){onerror()}else{throw'Loading data file "'+url+'" failed.'}});if(dep)addRunDependency(dep)}var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path,opts={})=>{path=PATH_FS.resolve(path);if(!path)return{path:"",node:null};var defaults={follow_mount:true,recurse_count:0};opts=Object.assign(defaults,opts);if(opts.recurse_count>8){throw new FS.ErrnoError(32)}var parts=path.split("/").filter(p=>!!p);var current=FS.root;var current_path="/";for(var i=0;i40){throw new FS.ErrnoError(32)}}}}return{path:current_path,node:current}},getPath:node=>{var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?mount+"/"+path:mount+path}path=path?node.name+"/"+path:node.name;node=node.parent}},hashName:(parentid,name)=>{var hash=0;for(var i=0;i>>0)%FS.nameTable.length},hashAddNode:node=>{var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode:node=>{var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode:(parent,name)=>{var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode,parent)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode:(parent,name,mode,rdev)=>{var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode:node=>{FS.hashRemoveNode(node)},isRoot:node=>{return node===node.parent},isMountpoint:node=>{return!!node.mounted},isFile:mode=>{return(mode&61440)===32768},isDir:mode=>{return(mode&61440)===16384},isLink:mode=>{return(mode&61440)===40960},isChrdev:mode=>{return(mode&61440)===8192},isBlkdev:mode=>{return(mode&61440)===24576},isFIFO:mode=>{return(mode&61440)===4096},isSocket:mode=>{return(mode&49152)===49152},flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:str=>{var flags=FS.flagModes[str];if(typeof flags=="undefined"){throw new Error("Unknown file open mode: "+str)}return flags},flagsToPermissionString:flag=>{var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms},nodePermissions:(node,perms)=>{if(FS.ignorePermissions){return 0}if(perms.includes("r")&&!(node.mode&292)){return 2}else if(perms.includes("w")&&!(node.mode&146)){return 2}else if(perms.includes("x")&&!(node.mode&73)){return 2}return 0},mayLookup:dir=>{var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate:(dir,name)=>{try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete:(dir,name,isdir)=>{var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen:(node,flags)=>{if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd:(fd_start=0,fd_end=FS.MAX_OPEN_FDS)=>{for(var fd=fd_start;fd<=fd_end;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStream:fd=>FS.streams[fd],createStream:(stream,fd_start,fd_end)=>{if(!FS.FSStream){FS.FSStream=function(){this.shared={}};FS.FSStream.prototype={};Object.defineProperties(FS.FSStream.prototype,{object:{get:function(){return this.node},set:function(val){this.node=val}},isRead:{get:function(){return(this.flags&2097155)!==1}},isWrite:{get:function(){return(this.flags&2097155)!==0}},isAppend:{get:function(){return this.flags&1024}},flags:{get:function(){return this.shared.flags},set:function(val){this.shared.flags=val}},position:{get:function(){return this.shared.position},set:function(val){this.shared.position=val}}})}stream=Object.assign(new FS.FSStream,stream);var fd=FS.nextfd(fd_start,fd_end);stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream:fd=>{FS.streams[fd]=null},chrdev_stream_ops:{open:stream=>{var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;if(stream.stream_ops.open){stream.stream_ops.open(stream)}},llseek:()=>{throw new FS.ErrnoError(70)}},major:dev=>dev>>8,minor:dev=>dev&255,makedev:(ma,mi)=>ma<<8|mi,registerDevice:(dev,ops)=>{FS.devices[dev]={stream_ops:ops}},getDevice:dev=>FS.devices[dev],getMounts:mount=>{var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push.apply(check,m.mounts)}return mounts},syncfs:(populate,callback)=>{if(typeof populate=="function"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){err("warning: "+FS.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work")}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach(mount=>{if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)})},mount:(type,opts,mountpoint)=>{var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount:mountpoint=>{var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach(hash=>{var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.includes(current.mount)){FS.destroyNode(current)}current=next}});node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup:(parent,name)=>{return parent.node_ops.lookup(parent,name)},mknod:(path,mode,dev)=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create:(path,mode)=>{mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir:(path,mode)=>{mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree:(path,mode)=>{var dirs=path.split("/");var d="";for(var i=0;i{if(typeof dev=="undefined"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)},symlink:(oldpath,newpath)=>{if(!PATH_FS.resolve(oldpath)){throw new FS.ErrnoError(44)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var newname=PATH.basename(newpath);var errCode=FS.mayCreate(parent,newname);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(63)}return parent.node_ops.symlink(parent,newname,oldpath)},rename:(old_path,new_path)=>{var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node;if(!old_dir||!new_dir)throw new FS.ErrnoError(44);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(75)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH_FS.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(28)}relative=PATH_FS.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(55)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var errCode=FS.mayDelete(old_dir,old_name,isdir);if(errCode){throw new FS.ErrnoError(errCode)}errCode=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(errCode){throw new FS.ErrnoError(errCode)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(63)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(10)}if(new_dir!==old_dir){errCode=FS.nodePermissions(old_dir,"w");if(errCode){throw new FS.ErrnoError(errCode)}}FS.hashRemoveNode(old_node);try{old_dir.node_ops.rename(old_node,new_dir,new_name)}catch(e){throw e}finally{FS.hashAddNode(old_node)}},rmdir:path=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,true);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.rmdir(parent,name);FS.destroyNode(node)},readdir:path=>{var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node.node_ops.readdir){throw new FS.ErrnoError(54)}return node.node_ops.readdir(node)},unlink:path=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,false);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.unlink(parent,name);FS.destroyNode(node)},readlink:path=>{var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(44)}if(!link.node_ops.readlink){throw new FS.ErrnoError(28)}return PATH_FS.resolve(FS.getPath(link.parent),link.node_ops.readlink(link))},stat:(path,dontFollow)=>{var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(44)}if(!node.node_ops.getattr){throw new FS.ErrnoError(63)}return node.node_ops.getattr(node)},lstat:path=>{return FS.stat(path,true)},chmod:(path,mode,dontFollow)=>{var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{mode:mode&4095|node.mode&~4095,timestamp:Date.now()})},lchmod:(path,mode)=>{FS.chmod(path,mode,true)},fchmod:(fd,mode)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chmod(stream.node,mode)},chown:(path,uid,gid,dontFollow)=>{var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{timestamp:Date.now()})},lchown:(path,uid,gid)=>{FS.chown(path,uid,gid,true)},fchown:(fd,uid,gid)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chown(stream.node,uid,gid)},truncate:(path,len)=>{if(len<0){throw new FS.ErrnoError(28)}var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:true});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}if(FS.isDir(node.mode)){throw new FS.ErrnoError(31)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(28)}var errCode=FS.nodePermissions(node,"w");if(errCode){throw new FS.ErrnoError(errCode)}node.node_ops.setattr(node,{size:len,timestamp:Date.now()})},ftruncate:(fd,len)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(28)}FS.truncate(stream.node,len)},utime:(path,atime,mtime)=>{var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})},open:(path,flags,mode)=>{if(path===""){throw new FS.ErrnoError(44)}flags=typeof flags=="string"?FS.modeStringToFlags(flags):flags;mode=typeof mode=="undefined"?438:mode;if(flags&64){mode=mode&4095|32768}else{mode=0}var node;if(typeof path=="object"){node=path}else{path=PATH.normalize(path);try{var lookup=FS.lookupPath(path,{follow:!(flags&131072)});node=lookup.node}catch(e){}}var created=false;if(flags&64){if(node){if(flags&128){throw new FS.ErrnoError(20)}}else{node=FS.mknod(path,mode,0);created=true}}if(!node){throw new FS.ErrnoError(44)}if(FS.isChrdev(node.mode)){flags&=~512}if(flags&65536&&!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}if(!created){var errCode=FS.mayOpen(node,flags);if(errCode){throw new FS.ErrnoError(errCode)}}if(flags&512&&!created){FS.truncate(node,0)}flags&=~(128|512|131072);var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false});if(stream.stream_ops.open){stream.stream_ops.open(stream)}if(Module["logReadFiles"]&&!(flags&1)){if(!FS.readFiles)FS.readFiles={};if(!(path in FS.readFiles)){FS.readFiles[path]=1}}return stream},close:stream=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(stream.getdents)stream.getdents=null;try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}stream.fd=null},isClosed:stream=>{return stream.fd===null},llseek:(stream,offset,whence)=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(70)}if(whence!=0&&whence!=1&&whence!=2){throw new FS.ErrnoError(28)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position},read:(stream,buffer,offset,length,position)=>{if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.read){throw new FS.ErrnoError(28)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write:(stream,buffer,offset,length,position,canOwn)=>{if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.write){throw new FS.ErrnoError(28)}if(stream.seekable&&stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;return bytesWritten},allocate:(stream,offset,length)=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(offset<0||length<=0){throw new FS.ErrnoError(28)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(stream.node.mode)){throw new FS.ErrnoError(43)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(138)}stream.stream_ops.allocate(stream,offset,length)},mmap:(stream,length,position,prot,flags)=>{if((prot&2)!==0&&(flags&2)===0&&(stream.flags&2097155)!==2){throw new FS.ErrnoError(2)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(2)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(43)}return stream.stream_ops.mmap(stream,length,position,prot,flags)},msync:(stream,buffer,offset,length,mmapFlags)=>{if(!stream.stream_ops.msync){return 0}return stream.stream_ops.msync(stream,buffer,offset,length,mmapFlags)},munmap:stream=>0,ioctl:(stream,cmd,arg)=>{if(!stream.stream_ops.ioctl){throw new FS.ErrnoError(59)}return stream.stream_ops.ioctl(stream,cmd,arg)},readFile:(path,opts={})=>{opts.flags=opts.flags||0;opts.encoding=opts.encoding||"binary";if(opts.encoding!=="utf8"&&opts.encoding!=="binary"){throw new Error('Invalid encoding type "'+opts.encoding+'"')}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding==="utf8"){ret=UTF8ArrayToString(buf,0)}else if(opts.encoding==="binary"){ret=buf}FS.close(stream);return ret},writeFile:(path,data,opts={})=>{opts.flags=opts.flags||577;var stream=FS.open(path,opts.flags,opts.mode);if(typeof data=="string"){var buf=new Uint8Array(lengthBytesUTF8(data)+1);var actualNumBytes=stringToUTF8Array(data,buf,0,buf.length);FS.write(stream,buf,0,actualNumBytes,undefined,opts.canOwn)}else if(ArrayBuffer.isView(data)){FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn)}else{throw new Error("Unsupported data type")}FS.close(stream)},cwd:()=>FS.currentPath,chdir:path=>{var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories:()=>{FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")},createDefaultDevices:()=>{FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:()=>0,write:(stream,buffer,offset,length,pos)=>length});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));var random_device=getRandomDevice();FS.createDevice("/dev","random",random_device);FS.createDevice("/dev","urandom",random_device);FS.mkdir("/dev/shm");FS.mkdir("/dev/shm/tmp")},createSpecialDirectories:()=>{FS.mkdir("/proc");var proc_self=FS.mkdir("/proc/self");FS.mkdir("/proc/self/fd");FS.mount({mount:()=>{var node=FS.createNode(proc_self,"fd",16384|511,73);node.node_ops={lookup:(parent,name)=>{var fd=+name;var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);var ret={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>stream.path}};ret.parent=ret;return ret}};return node}},{},"/proc/self/fd")},createStandardStreams:()=>{if(Module["stdin"]){FS.createDevice("/dev","stdin",Module["stdin"])}else{FS.symlink("/dev/tty","/dev/stdin")}if(Module["stdout"]){FS.createDevice("/dev","stdout",null,Module["stdout"])}else{FS.symlink("/dev/tty","/dev/stdout")}if(Module["stderr"]){FS.createDevice("/dev","stderr",null,Module["stderr"])}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},ensureErrnoError:()=>{if(FS.ErrnoError)return;FS.ErrnoError=function ErrnoError(errno,node){this.node=node;this.setErrno=function(errno){this.errno=errno};this.setErrno(errno);this.message="FS error"};FS.ErrnoError.prototype=new Error;FS.ErrnoError.prototype.constructor=FS.ErrnoError;[44].forEach(code=>{FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack=""})},staticInit:()=>{FS.ensureErrnoError();FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={"MEMFS":MEMFS}},init:(input,output,error)=>{FS.init.initialized=true;FS.ensureErrnoError();Module["stdin"]=input||Module["stdin"];Module["stdout"]=output||Module["stdout"];Module["stderr"]=error||Module["stderr"];FS.createStandardStreams()},quit:()=>{FS.init.initialized=false;for(var i=0;i{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode},findObject:(path,dontResolveLastLink)=>{var ret=FS.analyzePath(path,dontResolveLastLink);if(!ret.exists){return null}return ret.object},analyzePath:(path,dontResolveLastLink)=>{try{var lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});path=lookup.path}catch(e){}var ret={isRoot:false,exists:false,error:0,name:null,path:null,object:null,parentExists:false,parentPath:null,parentObject:null};try{var lookup=FS.lookupPath(path,{parent:true});ret.parentExists=true;ret.parentPath=lookup.path;ret.parentObject=lookup.node;ret.name=PATH.basename(path);lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});ret.exists=true;ret.path=lookup.path;ret.object=lookup.node;ret.name=lookup.node.name;ret.isRoot=lookup.path==="/"}catch(e){ret.error=e.errno}return ret},createPath:(parent,path,canRead,canWrite)=>{parent=typeof parent=="string"?parent:FS.getPath(parent);var parts=path.split("/").reverse();while(parts.length){var part=parts.pop();if(!part)continue;var current=PATH.join2(parent,part);try{FS.mkdir(current)}catch(e){}parent=current}return current},createFile:(parent,name,properties,canRead,canWrite)=>{var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(canRead,canWrite);return FS.create(path,mode)},createDataFile:(parent,name,data,canRead,canWrite,canOwn)=>{var path=name;if(parent){parent=typeof parent=="string"?parent:FS.getPath(parent);path=name?PATH.join2(parent,name):parent}var mode=FS.getMode(canRead,canWrite);var node=FS.create(path,mode);if(data){if(typeof data=="string"){var arr=new Array(data.length);for(var i=0,len=data.length;i{var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(!!input,!!output);if(!FS.createDevice.major)FS.createDevice.major=64;var dev=FS.makedev(FS.createDevice.major++,0);FS.registerDevice(dev,{open:stream=>{stream.seekable=false},close:stream=>{if(output&&output.buffer&&output.buffer.length){output(10)}},read:(stream,buffer,offset,length,pos)=>{var bytesRead=0;for(var i=0;i{for(var i=0;i{if(obj.isDevice||obj.isFolder||obj.link||obj.contents)return true;if(typeof XMLHttpRequest!="undefined"){throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")}else if(read_){try{obj.contents=intArrayFromString(read_(obj.url),true);obj.usedBytes=obj.contents.length}catch(e){throw new FS.ErrnoError(29)}}else{throw new Error("Cannot load without read() or XMLHttpRequest.")}},createLazyFile:(parent,name,url,canRead,canWrite)=>{function LazyUint8Array(){this.lengthKnown=false;this.chunks=[]}LazyUint8Array.prototype.get=function LazyUint8Array_get(idx){if(idx>this.length-1||idx<0){return undefined}var chunkOffset=idx%this.chunkSize;var chunkNum=idx/this.chunkSize|0;return this.getter(chunkNum)[chunkOffset]};LazyUint8Array.prototype.setDataGetter=function LazyUint8Array_setDataGetter(getter){this.getter=getter};LazyUint8Array.prototype.cacheLength=function LazyUint8Array_cacheLength(){var xhr=new XMLHttpRequest;xhr.open("HEAD",url,false);xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);var datalength=Number(xhr.getResponseHeader("Content-length"));var header;var hasByteServing=(header=xhr.getResponseHeader("Accept-Ranges"))&&header==="bytes";var usesGzip=(header=xhr.getResponseHeader("Content-Encoding"))&&header==="gzip";var chunkSize=1024*1024;if(!hasByteServing)chunkSize=datalength;var doXHR=(from,to)=>{if(from>to)throw new Error("invalid range ("+from+", "+to+") or no bytes requested!");if(to>datalength-1)throw new Error("only "+datalength+" bytes available! programmer error!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("text/plain; charset=x-user-defined")}xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}return intArrayFromString(xhr.responseText||"",true)};var lazyArray=this;lazyArray.setDataGetter(chunkNum=>{var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]=="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]=="undefined")throw new Error("doXHR failed!");return lazyArray.chunks[chunkNum]});if(usesGzip||!datalength){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true};if(typeof XMLHttpRequest!="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;Object.defineProperties(lazyArray,{length:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._length}},chunkSize:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}});var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url:url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:function(){return this.contents.length}}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach(key=>{var fn=node.stream_ops[key];stream_ops[key]=function forceLoadLazyFile(){FS.forceLoadFile(node);return fn.apply(null,arguments)}});function writeChunks(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=contents.length)return 0;var size=Math.min(contents.length-position,length);if(contents.slice){for(var i=0;i{FS.forceLoadFile(node);return writeChunks(stream,buffer,offset,length,position)};stream_ops.mmap=(stream,length,position,prot,flags)=>{FS.forceLoadFile(node);var ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}writeChunks(stream,HEAP8,ptr,length,position);return{ptr:ptr,allocated:true}};node.stream_ops=stream_ops;return node},createPreloadedFile:(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency("cp "+fullname);function processData(byteArray){function finish(byteArray){if(preFinish)preFinish();if(!dontCreateFile){FS.createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}if(onload)onload();removeRunDependency(dep)}if(Browser.handledByPreloadPlugin(byteArray,fullname,finish,()=>{if(onerror)onerror();removeRunDependency(dep)})){return}finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){asyncLoad(url,byteArray=>processData(byteArray),onerror)}else{processData(url)}},indexedDB:()=>{return window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB},DB_NAME:()=>{return"EM_FS_"+window.location.pathname},DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths,onload,onerror)=>{onload=onload||(()=>{});onerror=onerror||(()=>{});var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=()=>{out("creating db");var db=openRequest.result;db.createObjectStore(FS.DB_STORE_NAME)};openRequest.onsuccess=()=>{var db=openRequest.result;var transaction=db.transaction([FS.DB_STORE_NAME],"readwrite");var files=transaction.objectStore(FS.DB_STORE_NAME);var ok=0,fail=0,total=paths.length;function finish(){if(fail==0)onload();else onerror()}paths.forEach(path=>{var putRequest=files.put(FS.analyzePath(path).object.contents,path);putRequest.onsuccess=()=>{ok++;if(ok+fail==total)finish()};putRequest.onerror=()=>{fail++;if(ok+fail==total)finish()}});transaction.onerror=onerror};openRequest.onerror=onerror},loadFilesFromDB:(paths,onload,onerror)=>{onload=onload||(()=>{});onerror=onerror||(()=>{});var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=onerror;openRequest.onsuccess=()=>{var db=openRequest.result;try{var transaction=db.transaction([FS.DB_STORE_NAME],"readonly")}catch(e){onerror(e);return}var files=transaction.objectStore(FS.DB_STORE_NAME);var ok=0,fail=0,total=paths.length;function finish(){if(fail==0)onload();else onerror()}paths.forEach(path=>{var getRequest=files.get(path);getRequest.onsuccess=()=>{if(FS.analyzePath(path).exists){FS.unlink(path)}FS.createDataFile(PATH.dirname(path),PATH.basename(path),getRequest.result,true,true,true);ok++;if(ok+fail==total)finish()};getRequest.onerror=()=>{fail++;if(ok+fail==total)finish()}});transaction.onerror=onerror};openRequest.onerror=onerror}};var SOCKFS={mount:function(mount){Module["websocket"]=Module["websocket"]&&"object"===typeof Module["websocket"]?Module["websocket"]:{};Module["websocket"]._callbacks={};Module["websocket"]["on"]=function(event,callback){if("function"===typeof callback){this._callbacks[event]=callback}return this};Module["websocket"].emit=function(event,param){if("function"===typeof this._callbacks[event]){this._callbacks[event].call(this,param)}};return FS.createNode(null,"/",16384|511,0)},createSocket:function(family,type,protocol){type&=~526336;var streaming=type==1;if(streaming&&protocol&&protocol!=6){throw new FS.ErrnoError(66)}var sock={family:family,type:type,protocol:protocol,server:null,error:null,peers:{},pending:[],recv_queue:[],sock_ops:SOCKFS.websocket_sock_ops};var name=SOCKFS.nextname();var node=FS.createNode(SOCKFS.root,name,49152,0);node.sock=sock;var stream=FS.createStream({path:name,node:node,flags:2,seekable:false,stream_ops:SOCKFS.stream_ops});sock.stream=stream;return sock},getSocket:function(fd){var stream=FS.getStream(fd);if(!stream||!FS.isSocket(stream.node.mode)){return null}return stream.node.sock},stream_ops:{poll:function(stream){var sock=stream.node.sock;return sock.sock_ops.poll(sock)},ioctl:function(stream,request,varargs){var sock=stream.node.sock;return sock.sock_ops.ioctl(sock,request,varargs)},read:function(stream,buffer,offset,length,position){var sock=stream.node.sock;var msg=sock.sock_ops.recvmsg(sock,length);if(!msg){return 0}buffer.set(msg.buffer,offset);return msg.buffer.length},write:function(stream,buffer,offset,length,position){var sock=stream.node.sock;return sock.sock_ops.sendmsg(sock,buffer,offset,length)},close:function(stream){var sock=stream.node.sock;sock.sock_ops.close(sock)}},nextname:function(){if(!SOCKFS.nextname.current){SOCKFS.nextname.current=0}return"socket["+SOCKFS.nextname.current+++"]"},websocket_sock_ops:{createPeer:function(sock,addr,port){var ws;if(typeof addr=="object"){ws=addr;addr=null;port=null}if(ws){if(ws._socket){addr=ws._socket.remoteAddress;port=ws._socket.remotePort}else{var result=/ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);if(!result){throw new Error("WebSocket URL must be in the format ws(s)://address:port")}addr=result[1];port=parseInt(result[2],10)}}else{try{var runtimeConfig=Module["websocket"]&&"object"===typeof Module["websocket"];var url="ws:#".replace("#","//");if(runtimeConfig){if("string"===typeof Module["websocket"]["url"]){url=Module["websocket"]["url"]}}if(url==="ws://"||url==="wss://"){var parts=addr.split("/");url=url+parts[0]+":"+port+"/"+parts.slice(1).join("/")}var subProtocols="binary";if(runtimeConfig){if("string"===typeof Module["websocket"]["subprotocol"]){subProtocols=Module["websocket"]["subprotocol"]}}var opts=undefined;if(subProtocols!=="null"){subProtocols=subProtocols.replace(/^ +| +$/g,"").split(/ *, */);opts=subProtocols}if(runtimeConfig&&null===Module["websocket"]["subprotocol"]){subProtocols="null";opts=undefined}var WebSocketConstructor;if(ENVIRONMENT_IS_NODE){WebSocketConstructor=require("ws")}else{WebSocketConstructor=WebSocket}ws=new WebSocketConstructor(url,opts);ws.binaryType="arraybuffer"}catch(e){throw new FS.ErrnoError(23)}}var peer={addr:addr,port:port,socket:ws,dgram_send_queue:[]};SOCKFS.websocket_sock_ops.addPeer(sock,peer);SOCKFS.websocket_sock_ops.handlePeerEvents(sock,peer);if(sock.type===2&&typeof sock.sport!="undefined"){peer.dgram_send_queue.push(new Uint8Array([255,255,255,255,"p".charCodeAt(0),"o".charCodeAt(0),"r".charCodeAt(0),"t".charCodeAt(0),(sock.sport&65280)>>8,sock.sport&255]))}return peer},getPeer:function(sock,addr,port){return sock.peers[addr+":"+port]},addPeer:function(sock,peer){sock.peers[peer.addr+":"+peer.port]=peer},removePeer:function(sock,peer){delete sock.peers[peer.addr+":"+peer.port]},handlePeerEvents:function(sock,peer){var first=true;var handleOpen=function(){Module["websocket"].emit("open",sock.stream.fd);try{var queued=peer.dgram_send_queue.shift();while(queued){peer.socket.send(queued);queued=peer.dgram_send_queue.shift()}}catch(e){peer.socket.close()}};function handleMessage(data){if(typeof data=="string"){var encoder=new TextEncoder;data=encoder.encode(data)}else{assert(data.byteLength!==undefined);if(data.byteLength==0){return}data=new Uint8Array(data)}var wasfirst=first;first=false;if(wasfirst&&data.length===10&&data[0]===255&&data[1]===255&&data[2]===255&&data[3]===255&&data[4]==="p".charCodeAt(0)&&data[5]==="o".charCodeAt(0)&&data[6]==="r".charCodeAt(0)&&data[7]==="t".charCodeAt(0)){var newport=data[8]<<8|data[9];SOCKFS.websocket_sock_ops.removePeer(sock,peer);peer.port=newport;SOCKFS.websocket_sock_ops.addPeer(sock,peer);return}sock.recv_queue.push({addr:peer.addr,port:peer.port,data:data});Module["websocket"].emit("message",sock.stream.fd)}if(ENVIRONMENT_IS_NODE){peer.socket.on("open",handleOpen);peer.socket.on("message",function(data,isBinary){if(!isBinary){return}handleMessage(new Uint8Array(data).buffer)});peer.socket.on("close",function(){Module["websocket"].emit("close",sock.stream.fd)});peer.socket.on("error",function(error){sock.error=14;Module["websocket"].emit("error",[sock.stream.fd,sock.error,"ECONNREFUSED: Connection refused"])})}else{peer.socket.onopen=handleOpen;peer.socket.onclose=function(){Module["websocket"].emit("close",sock.stream.fd)};peer.socket.onmessage=function peer_socket_onmessage(event){handleMessage(event.data)};peer.socket.onerror=function(error){sock.error=14;Module["websocket"].emit("error",[sock.stream.fd,sock.error,"ECONNREFUSED: Connection refused"])}}},poll:function(sock){if(sock.type===1&&sock.server){return sock.pending.length?64|1:0}var mask=0;var dest=sock.type===1?SOCKFS.websocket_sock_ops.getPeer(sock,sock.daddr,sock.dport):null;if(sock.recv_queue.length||!dest||dest&&dest.socket.readyState===dest.socket.CLOSING||dest&&dest.socket.readyState===dest.socket.CLOSED){mask|=64|1}if(!dest||dest&&dest.socket.readyState===dest.socket.OPEN){mask|=4}if(dest&&dest.socket.readyState===dest.socket.CLOSING||dest&&dest.socket.readyState===dest.socket.CLOSED){mask|=16}return mask},ioctl:function(sock,request,arg){switch(request){case 21531:var bytes=0;if(sock.recv_queue.length){bytes=sock.recv_queue[0].data.length}HEAP32[arg>>2]=bytes;return 0;default:return 28}},close:function(sock){if(sock.server){try{sock.server.close()}catch(e){}sock.server=null}var peers=Object.keys(sock.peers);for(var i=0;i>2]=value;return value}function inetNtop4(addr){return(addr&255)+"."+(addr>>8&255)+"."+(addr>>16&255)+"."+(addr>>24&255)}function inetNtop6(ints){var str="";var word=0;var longest=0;var lastzero=0;var zstart=0;var len=0;var i=0;var parts=[ints[0]&65535,ints[0]>>16,ints[1]&65535,ints[1]>>16,ints[2]&65535,ints[2]>>16,ints[3]&65535,ints[3]>>16];var hasipv4=true;var v4part="";for(i=0;i<5;i++){if(parts[i]!==0){hasipv4=false;break}}if(hasipv4){v4part=inetNtop4(parts[6]|parts[7]<<16);if(parts[5]===-1){str="::ffff:";str+=v4part;return str}if(parts[5]===0){str="::";if(v4part==="0.0.0.0")v4part="";if(v4part==="0.0.0.1")v4part="1";str+=v4part;return str}}for(word=0;word<8;word++){if(parts[word]===0){if(word-lastzero>1){len=0}lastzero=word;len++}if(len>longest){longest=len;zstart=word-longest+1}}for(word=0;word<8;word++){if(longest>1){if(parts[word]===0&&word>=zstart&&word>1];var port=_ntohs(HEAPU16[sa+2>>1]);var addr;switch(family){case 2:if(salen!==16){return{errno:28}}addr=HEAP32[sa+4>>2];addr=inetNtop4(addr);break;case 10:if(salen!==28){return{errno:28}}addr=[HEAP32[sa+8>>2],HEAP32[sa+12>>2],HEAP32[sa+16>>2],HEAP32[sa+20>>2]];addr=inetNtop6(addr);break;default:return{errno:5}}return{family:family,addr:addr,port:port}}function inetPton4(str){var b=str.split(".");for(var i=0;i<4;i++){var tmp=Number(b[i]);if(isNaN(tmp))return null;b[i]=tmp}return(b[0]|b[1]<<8|b[2]<<16|b[3]<<24)>>>0}function jstoi_q(str){return parseInt(str)}function inetPton6(str){var words;var w,offset,z;var valid6regx=/^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;var parts=[];if(!valid6regx.test(str)){return null}if(str==="::"){return[0,0,0,0,0,0,0,0]}if(str.startsWith("::")){str=str.replace("::","Z:")}else{str=str.replace("::",":Z:")}if(str.indexOf(".")>0){str=str.replace(new RegExp("[.]","g"),":");words=str.split(":");words[words.length-4]=jstoi_q(words[words.length-4])+jstoi_q(words[words.length-3])*256;words[words.length-3]=jstoi_q(words[words.length-2])+jstoi_q(words[words.length-1])*256;words=words.slice(0,words.length-2)}else{words=str.split(":")}offset=0;z=0;for(w=0;w>2]=stat.dev;HEAP32[buf+8>>2]=stat.ino;HEAP32[buf+12>>2]=stat.mode;HEAPU32[buf+16>>2]=stat.nlink;HEAP32[buf+20>>2]=stat.uid;HEAP32[buf+24>>2]=stat.gid;HEAP32[buf+28>>2]=stat.rdev;tempI64=[stat.size>>>0,(tempDouble=stat.size,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+40>>2]=tempI64[0],HEAP32[buf+44>>2]=tempI64[1];HEAP32[buf+48>>2]=4096;HEAP32[buf+52>>2]=stat.blocks;var atime=stat.atime.getTime();var mtime=stat.mtime.getTime();var ctime=stat.ctime.getTime();tempI64=[Math.floor(atime/1e3)>>>0,(tempDouble=Math.floor(atime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+56>>2]=tempI64[0],HEAP32[buf+60>>2]=tempI64[1];HEAPU32[buf+64>>2]=atime%1e3*1e3;tempI64=[Math.floor(mtime/1e3)>>>0,(tempDouble=Math.floor(mtime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+72>>2]=tempI64[0],HEAP32[buf+76>>2]=tempI64[1];HEAPU32[buf+80>>2]=mtime%1e3*1e3;tempI64=[Math.floor(ctime/1e3)>>>0,(tempDouble=Math.floor(ctime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+88>>2]=tempI64[0],HEAP32[buf+92>>2]=tempI64[1];HEAPU32[buf+96>>2]=ctime%1e3*1e3;tempI64=[stat.ino>>>0,(tempDouble=stat.ino,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+104>>2]=tempI64[0],HEAP32[buf+108>>2]=tempI64[1];return 0},doMsync:function(addr,stream,len,flags,offset){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}if(flags&2){return 0}var buffer=HEAPU8.slice(addr,addr+len);FS.msync(stream,buffer,offset,len,flags)},varargs:undefined,get:function(){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret},getStr:function(ptr){var ret=UTF8ToString(ptr);return ret},getStreamFromFD:function(fd){var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);return stream}};function ___syscall_connect(fd,addr,addrlen){try{var sock=getSocketFromFD(fd);var info=getSocketAddress(addr,addrlen);sock.sock_ops.connect(sock,info.addr,info.port);return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_faccessat(dirfd,path,amode,flags){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);if(amode&~7){return-28}var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node){return-44}var perms="";if(amode&4)perms+="r";if(amode&2)perms+="w";if(amode&1)perms+="x";if(perms&&FS.nodePermissions(node,perms)){return-2}return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_fcntl64(fd,cmd,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(cmd){case 0:{var arg=SYSCALLS.get();if(arg<0){return-28}var newStream;newStream=FS.createStream(stream,arg);return newStream.fd}case 1:case 2:return 0;case 3:return stream.flags;case 4:{var arg=SYSCALLS.get();stream.flags|=arg;return 0}case 5:{var arg=SYSCALLS.get();var offset=0;HEAP16[arg+offset>>1]=2;return 0}case 6:case 7:return 0;case 16:case 8:return-28;case 9:setErrNo(28);return-1;default:{return-28}}}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_fstat64(fd,buf){try{var stream=SYSCALLS.getStreamFromFD(fd);return SYSCALLS.doStat(FS.stat,stream.path,buf)}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function convertI32PairToI53Checked(lo,hi){return hi+2097152>>>0<4194305-!!lo?(lo>>>0)+hi*4294967296:NaN}function ___syscall_ftruncate64(fd,length_low,length_high){try{var length=convertI32PairToI53Checked(length_low,length_high);if(isNaN(length))return-61;FS.ftruncate(fd,length);return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_ioctl(fd,op,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(op){case 21509:case 21505:{if(!stream.tty)return-59;return 0}case 21510:case 21511:case 21512:case 21506:case 21507:case 21508:{if(!stream.tty)return-59;return 0}case 21519:{if(!stream.tty)return-59;var argp=SYSCALLS.get();HEAP32[argp>>2]=0;return 0}case 21520:{if(!stream.tty)return-59;return-28}case 21531:{var argp=SYSCALLS.get();return FS.ioctl(stream,op,argp)}case 21523:{if(!stream.tty)return-59;return 0}case 21524:{if(!stream.tty)return-59;return 0}default:return-28}}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_lstat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.doStat(FS.lstat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_newfstatat(dirfd,path,buf,flags){try{path=SYSCALLS.getStr(path);var nofollow=flags&256;var allowEmpty=flags&4096;flags=flags&~6400;path=SYSCALLS.calculateAt(dirfd,path,allowEmpty);return SYSCALLS.doStat(nofollow?FS.lstat:FS.stat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_openat(dirfd,path,flags,varargs){SYSCALLS.varargs=varargs;try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);var mode=varargs?SYSCALLS.get():0;return FS.open(path,flags,mode).fd}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_socket(domain,type,protocol){try{var sock=SOCKFS.createSocket(domain,type,protocol);return sock.stream.fd}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_stat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.doStat(FS.stat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}var tupleRegistrations={};function runDestructors(destructors){while(destructors.length){var ptr=destructors.pop();var del=destructors.pop();del(ptr)}}function simpleReadValueFromPointer(pointer){return this["fromWireType"](HEAP32[pointer>>2])}var awaitingDependencies={};var registeredTypes={};var typeDependencies={};var char_0=48;var char_9=57;function makeLegalFunctionName(name){if(undefined===name){return"_unknown"}name=name.replace(/[^a-zA-Z0-9_]/g,"$");var f=name.charCodeAt(0);if(f>=char_0&&f<=char_9){return"_"+name}return name}function createNamedFunction(name,body){name=makeLegalFunctionName(name);return new Function("body","return function "+name+"() {\n"+' "use strict";'+" return body.apply(this, arguments);\n"+"};\n")(body)}function extendError(baseErrorType,errorName){var errorClass=createNamedFunction(errorName,function(message){this.name=errorName;this.message=message;var stack=new Error(message).stack;if(stack!==undefined){this.stack=this.toString()+"\n"+stack.replace(/^Error(:[^\n]*)?\n/,"")}});errorClass.prototype=Object.create(baseErrorType.prototype);errorClass.prototype.constructor=errorClass;errorClass.prototype.toString=function(){if(this.message===undefined){return this.name}else{return this.name+": "+this.message}};return errorClass}var InternalError=undefined;function throwInternalError(message){throw new InternalError(message)}function whenDependentTypesAreResolved(myTypes,dependentTypes,getTypeConverters){myTypes.forEach(function(type){typeDependencies[type]=dependentTypes});function onComplete(typeConverters){var myTypeConverters=getTypeConverters(typeConverters);if(myTypeConverters.length!==myTypes.length){throwInternalError("Mismatched type converter count")}for(var i=0;i{if(registeredTypes.hasOwnProperty(dt)){typeConverters[i]=registeredTypes[dt]}else{unregisteredTypes.push(dt);if(!awaitingDependencies.hasOwnProperty(dt)){awaitingDependencies[dt]=[]}awaitingDependencies[dt].push(()=>{typeConverters[i]=registeredTypes[dt];++registered;if(registered===unregisteredTypes.length){onComplete(typeConverters)}})}});if(0===unregisteredTypes.length){onComplete(typeConverters)}}function __embind_finalize_value_array(rawTupleType){var reg=tupleRegistrations[rawTupleType];delete tupleRegistrations[rawTupleType];var elements=reg.elements;var elementsLength=elements.length;var elementTypes=elements.map(function(elt){return elt.getterReturnType}).concat(elements.map(function(elt){return elt.setterArgumentType}));var rawConstructor=reg.rawConstructor;var rawDestructor=reg.rawDestructor;whenDependentTypesAreResolved([rawTupleType],elementTypes,function(elementTypes){elements.forEach((elt,i)=>{var getterReturnType=elementTypes[i];var getter=elt.getter;var getterContext=elt.getterContext;var setterArgumentType=elementTypes[i+elementsLength];var setter=elt.setter;var setterContext=elt.setterContext;elt.read=ptr=>{return getterReturnType["fromWireType"](getter(getterContext,ptr))};elt.write=(ptr,o)=>{var destructors=[];setter(setterContext,ptr,setterArgumentType["toWireType"](destructors,o));runDestructors(destructors)}});return[{name:reg.name,"fromWireType":function(ptr){var rv=new Array(elementsLength);for(var i=0;ifield.getterReturnType).concat(fieldRecords.map(field=>field.setterArgumentType));whenDependentTypesAreResolved([structType],fieldTypes,fieldTypes=>{var fields={};fieldRecords.forEach((field,i)=>{var fieldName=field.fieldName;var getterReturnType=fieldTypes[i];var getter=field.getter;var getterContext=field.getterContext;var setterArgumentType=fieldTypes[i+fieldRecords.length];var setter=field.setter;var setterContext=field.setterContext;fields[fieldName]={read:ptr=>{return getterReturnType["fromWireType"](getter(getterContext,ptr))},write:(ptr,o)=>{var destructors=[];setter(setterContext,ptr,setterArgumentType["toWireType"](destructors,o));runDestructors(destructors)}}});return[{name:reg.name,"fromWireType":function(ptr){var rv={};for(var i in fields){rv[i]=fields[i].read(ptr)}rawDestructor(ptr);return rv},"toWireType":function(destructors,o){for(var fieldName in fields){if(!(fieldName in o)){throw new TypeError('Missing field: "'+fieldName+'"')}}var ptr=rawConstructor();for(fieldName in fields){fields[fieldName].write(ptr,o[fieldName])}if(destructors!==null){destructors.push(rawDestructor,ptr)}return ptr},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:rawDestructor}]})}function __embind_register_bigint(primitiveType,name,size,minRange,maxRange){}function getShiftFromSize(size){switch(size){case 1:return 0;case 2:return 1;case 4:return 2;case 8:return 3;default:throw new TypeError("Unknown type size: "+size)}}function embind_init_charCodes(){var codes=new Array(256);for(var i=0;i<256;++i){codes[i]=String.fromCharCode(i)}embind_charCodes=codes}var embind_charCodes=undefined;function readLatin1String(ptr){var ret="";var c=ptr;while(HEAPU8[c]){ret+=embind_charCodes[HEAPU8[c++]]}return ret}var BindingError=undefined;function throwBindingError(message){throw new BindingError(message)}function registerType(rawType,registeredInstance,options={}){if(!("argPackAdvance"in registeredInstance)){throw new TypeError("registerType registeredInstance requires argPackAdvance")}var name=registeredInstance.name;if(!rawType){throwBindingError('type "'+name+'" must have a positive integer typeid pointer')}if(registeredTypes.hasOwnProperty(rawType)){if(options.ignoreDuplicateRegistrations){return}else{throwBindingError("Cannot register type '"+name+"' twice")}}registeredTypes[rawType]=registeredInstance;delete typeDependencies[rawType];if(awaitingDependencies.hasOwnProperty(rawType)){var callbacks=awaitingDependencies[rawType];delete awaitingDependencies[rawType];callbacks.forEach(cb=>cb())}}function __embind_register_bool(rawType,name,size,trueValue,falseValue){var shift=getShiftFromSize(size);name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(wt){return!!wt},"toWireType":function(destructors,o){return o?trueValue:falseValue},"argPackAdvance":8,"readValueFromPointer":function(pointer){var heap;if(size===1){heap=HEAP8}else if(size===2){heap=HEAP16}else if(size===4){heap=HEAP32}else{throw new TypeError("Unknown boolean type size: "+name)}return this["fromWireType"](heap[pointer>>shift])},destructorFunction:null})}function ClassHandle_isAliasOf(other){if(!(this instanceof ClassHandle)){return false}if(!(other instanceof ClassHandle)){return false}var leftClass=this.$$.ptrType.registeredClass;var left=this.$$.ptr;var rightClass=other.$$.ptrType.registeredClass;var right=other.$$.ptr;while(leftClass.baseClass){left=leftClass.upcast(left);leftClass=leftClass.baseClass}while(rightClass.baseClass){right=rightClass.upcast(right);rightClass=rightClass.baseClass}return leftClass===rightClass&&left===right}function shallowCopyInternalPointer(o){return{count:o.count,deleteScheduled:o.deleteScheduled,preservePointerOnDelete:o.preservePointerOnDelete,ptr:o.ptr,ptrType:o.ptrType,smartPtr:o.smartPtr,smartPtrType:o.smartPtrType}}function throwInstanceAlreadyDeleted(obj){function getInstanceTypeName(handle){return handle.$$.ptrType.registeredClass.name}throwBindingError(getInstanceTypeName(obj)+" instance already deleted")}var finalizationRegistry=false;function detachFinalizer(handle){}function runDestructor($$){if($$.smartPtr){$$.smartPtrType.rawDestructor($$.smartPtr)}else{$$.ptrType.registeredClass.rawDestructor($$.ptr)}}function releaseClassHandle($$){$$.count.value-=1;var toDelete=0===$$.count.value;if(toDelete){runDestructor($$)}}function downcastPointer(ptr,ptrClass,desiredClass){if(ptrClass===desiredClass){return ptr}if(undefined===desiredClass.baseClass){return null}var rv=downcastPointer(ptr,ptrClass,desiredClass.baseClass);if(rv===null){return null}return desiredClass.downcast(rv)}var registeredPointers={};function getInheritedInstanceCount(){return Object.keys(registeredInstances).length}function getLiveInheritedInstances(){var rv=[];for(var k in registeredInstances){if(registeredInstances.hasOwnProperty(k)){rv.push(registeredInstances[k])}}return rv}var deletionQueue=[];function flushPendingDeletes(){while(deletionQueue.length){var obj=deletionQueue.pop();obj.$$.deleteScheduled=false;obj["delete"]()}}var delayFunction=undefined;function setDelayFunction(fn){delayFunction=fn;if(deletionQueue.length&&delayFunction){delayFunction(flushPendingDeletes)}}function init_embind(){Module["getInheritedInstanceCount"]=getInheritedInstanceCount;Module["getLiveInheritedInstances"]=getLiveInheritedInstances;Module["flushPendingDeletes"]=flushPendingDeletes;Module["setDelayFunction"]=setDelayFunction}var registeredInstances={};function getBasestPointer(class_,ptr){if(ptr===undefined){throwBindingError("ptr should not be undefined")}while(class_.baseClass){ptr=class_.upcast(ptr);class_=class_.baseClass}return ptr}function getInheritedInstance(class_,ptr){ptr=getBasestPointer(class_,ptr);return registeredInstances[ptr]}function makeClassHandle(prototype,record){if(!record.ptrType||!record.ptr){throwInternalError("makeClassHandle requires ptr and ptrType")}var hasSmartPtrType=!!record.smartPtrType;var hasSmartPtr=!!record.smartPtr;if(hasSmartPtrType!==hasSmartPtr){throwInternalError("Both smartPtrType and smartPtr must be specified")}record.count={value:1};return attachFinalizer(Object.create(prototype,{$$:{value:record}}))}function RegisteredPointer_fromWireType(ptr){var rawPointer=this.getPointee(ptr);if(!rawPointer){this.destructor(ptr);return null}var registeredInstance=getInheritedInstance(this.registeredClass,rawPointer);if(undefined!==registeredInstance){if(0===registeredInstance.$$.count.value){registeredInstance.$$.ptr=rawPointer;registeredInstance.$$.smartPtr=ptr;return registeredInstance["clone"]()}else{var rv=registeredInstance["clone"]();this.destructor(ptr);return rv}}function makeDefaultHandle(){if(this.isSmartPointer){return makeClassHandle(this.registeredClass.instancePrototype,{ptrType:this.pointeeType,ptr:rawPointer,smartPtrType:this,smartPtr:ptr})}else{return makeClassHandle(this.registeredClass.instancePrototype,{ptrType:this,ptr:ptr})}}var actualType=this.registeredClass.getActualType(rawPointer);var registeredPointerRecord=registeredPointers[actualType];if(!registeredPointerRecord){return makeDefaultHandle.call(this)}var toType;if(this.isConst){toType=registeredPointerRecord.constPointerType}else{toType=registeredPointerRecord.pointerType}var dp=downcastPointer(rawPointer,this.registeredClass,toType.registeredClass);if(dp===null){return makeDefaultHandle.call(this)}if(this.isSmartPointer){return makeClassHandle(toType.registeredClass.instancePrototype,{ptrType:toType,ptr:dp,smartPtrType:this,smartPtr:ptr})}else{return makeClassHandle(toType.registeredClass.instancePrototype,{ptrType:toType,ptr:dp})}}function attachFinalizer(handle){if("undefined"===typeof FinalizationRegistry){attachFinalizer=handle=>handle;return handle}finalizationRegistry=new FinalizationRegistry(info=>{releaseClassHandle(info.$$)});attachFinalizer=handle=>{var $$=handle.$$;var hasSmartPtr=!!$$.smartPtr;if(hasSmartPtr){var info={$$:$$};finalizationRegistry.register(handle,info,handle)}return handle};detachFinalizer=handle=>finalizationRegistry.unregister(handle);return attachFinalizer(handle)}function ClassHandle_clone(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.preservePointerOnDelete){this.$$.count.value+=1;return this}else{var clone=attachFinalizer(Object.create(Object.getPrototypeOf(this),{$$:{value:shallowCopyInternalPointer(this.$$)}}));clone.$$.count.value+=1;clone.$$.deleteScheduled=false;return clone}}function ClassHandle_delete(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.deleteScheduled&&!this.$$.preservePointerOnDelete){throwBindingError("Object already scheduled for deletion")}detachFinalizer(this);releaseClassHandle(this.$$);if(!this.$$.preservePointerOnDelete){this.$$.smartPtr=undefined;this.$$.ptr=undefined}}function ClassHandle_isDeleted(){return!this.$$.ptr}function ClassHandle_deleteLater(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.deleteScheduled&&!this.$$.preservePointerOnDelete){throwBindingError("Object already scheduled for deletion")}deletionQueue.push(this);if(deletionQueue.length===1&&delayFunction){delayFunction(flushPendingDeletes)}this.$$.deleteScheduled=true;return this}function init_ClassHandle(){ClassHandle.prototype["isAliasOf"]=ClassHandle_isAliasOf;ClassHandle.prototype["clone"]=ClassHandle_clone;ClassHandle.prototype["delete"]=ClassHandle_delete;ClassHandle.prototype["isDeleted"]=ClassHandle_isDeleted;ClassHandle.prototype["deleteLater"]=ClassHandle_deleteLater}function ClassHandle(){}function ensureOverloadTable(proto,methodName,humanName){if(undefined===proto[methodName].overloadTable){var prevFunc=proto[methodName];proto[methodName]=function(){if(!proto[methodName].overloadTable.hasOwnProperty(arguments.length)){throwBindingError("Function '"+humanName+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+proto[methodName].overloadTable+")!")}return proto[methodName].overloadTable[arguments.length].apply(this,arguments)};proto[methodName].overloadTable=[];proto[methodName].overloadTable[prevFunc.argCount]=prevFunc}}function exposePublicSymbol(name,value,numArguments){if(Module.hasOwnProperty(name)){if(undefined===numArguments||undefined!==Module[name].overloadTable&&undefined!==Module[name].overloadTable[numArguments]){throwBindingError("Cannot register public name '"+name+"' twice")}ensureOverloadTable(Module,name,name);if(Module.hasOwnProperty(numArguments)){throwBindingError("Cannot register multiple overloads of a function with the same number of arguments ("+numArguments+")!")}Module[name].overloadTable[numArguments]=value}else{Module[name]=value;if(undefined!==numArguments){Module[name].numArguments=numArguments}}}function RegisteredClass(name,constructor,instancePrototype,rawDestructor,baseClass,getActualType,upcast,downcast){this.name=name;this.constructor=constructor;this.instancePrototype=instancePrototype;this.rawDestructor=rawDestructor;this.baseClass=baseClass;this.getActualType=getActualType;this.upcast=upcast;this.downcast=downcast;this.pureVirtualFunctions=[]}function upcastPointer(ptr,ptrClass,desiredClass){while(ptrClass!==desiredClass){if(!ptrClass.upcast){throwBindingError("Expected null or instance of "+desiredClass.name+", got an instance of "+ptrClass.name)}ptr=ptrClass.upcast(ptr);ptrClass=ptrClass.baseClass}return ptr}function constNoSmartPtrRawPointerToWireType(destructors,handle){if(handle===null){if(this.isReference){throwBindingError("null is not a valid "+this.name)}return 0}if(!handle.$$){throwBindingError('Cannot pass "'+embindRepr(handle)+'" as a '+this.name)}if(!handle.$$.ptr){throwBindingError("Cannot pass deleted object as a pointer of type "+this.name)}var handleClass=handle.$$.ptrType.registeredClass;var ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);return ptr}function genericPointerToWireType(destructors,handle){var ptr;if(handle===null){if(this.isReference){throwBindingError("null is not a valid "+this.name)}if(this.isSmartPointer){ptr=this.rawConstructor();if(destructors!==null){destructors.push(this.rawDestructor,ptr)}return ptr}else{return 0}}if(!handle.$$){throwBindingError('Cannot pass "'+embindRepr(handle)+'" as a '+this.name)}if(!handle.$$.ptr){throwBindingError("Cannot pass deleted object as a pointer of type "+this.name)}if(!this.isConst&&handle.$$.ptrType.isConst){throwBindingError("Cannot convert argument of type "+(handle.$$.smartPtrType?handle.$$.smartPtrType.name:handle.$$.ptrType.name)+" to parameter type "+this.name)}var handleClass=handle.$$.ptrType.registeredClass;ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);if(this.isSmartPointer){if(undefined===handle.$$.smartPtr){throwBindingError("Passing raw pointer to smart pointer is illegal")}switch(this.sharingPolicy){case 0:if(handle.$$.smartPtrType===this){ptr=handle.$$.smartPtr}else{throwBindingError("Cannot convert argument of type "+(handle.$$.smartPtrType?handle.$$.smartPtrType.name:handle.$$.ptrType.name)+" to parameter type "+this.name)}break;case 1:ptr=handle.$$.smartPtr;break;case 2:if(handle.$$.smartPtrType===this){ptr=handle.$$.smartPtr}else{var clonedHandle=handle["clone"]();ptr=this.rawShare(ptr,Emval.toHandle(function(){clonedHandle["delete"]()}));if(destructors!==null){destructors.push(this.rawDestructor,ptr)}}break;default:throwBindingError("Unsupporting sharing policy")}}return ptr}function nonConstNoSmartPtrRawPointerToWireType(destructors,handle){if(handle===null){if(this.isReference){throwBindingError("null is not a valid "+this.name)}return 0}if(!handle.$$){throwBindingError('Cannot pass "'+embindRepr(handle)+'" as a '+this.name)}if(!handle.$$.ptr){throwBindingError("Cannot pass deleted object as a pointer of type "+this.name)}if(handle.$$.ptrType.isConst){throwBindingError("Cannot convert argument of type "+handle.$$.ptrType.name+" to parameter type "+this.name)}var handleClass=handle.$$.ptrType.registeredClass;var ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);return ptr}function RegisteredPointer_getPointee(ptr){if(this.rawGetPointee){ptr=this.rawGetPointee(ptr)}return ptr}function RegisteredPointer_destructor(ptr){if(this.rawDestructor){this.rawDestructor(ptr)}}function RegisteredPointer_deleteObject(handle){if(handle!==null){handle["delete"]()}}function init_RegisteredPointer(){RegisteredPointer.prototype.getPointee=RegisteredPointer_getPointee;RegisteredPointer.prototype.destructor=RegisteredPointer_destructor;RegisteredPointer.prototype["argPackAdvance"]=8;RegisteredPointer.prototype["readValueFromPointer"]=simpleReadValueFromPointer;RegisteredPointer.prototype["deleteObject"]=RegisteredPointer_deleteObject;RegisteredPointer.prototype["fromWireType"]=RegisteredPointer_fromWireType}function RegisteredPointer(name,registeredClass,isReference,isConst,isSmartPointer,pointeeType,sharingPolicy,rawGetPointee,rawConstructor,rawShare,rawDestructor){this.name=name;this.registeredClass=registeredClass;this.isReference=isReference;this.isConst=isConst;this.isSmartPointer=isSmartPointer;this.pointeeType=pointeeType;this.sharingPolicy=sharingPolicy;this.rawGetPointee=rawGetPointee;this.rawConstructor=rawConstructor;this.rawShare=rawShare;this.rawDestructor=rawDestructor;if(!isSmartPointer&®isteredClass.baseClass===undefined){if(isConst){this["toWireType"]=constNoSmartPtrRawPointerToWireType;this.destructorFunction=null}else{this["toWireType"]=nonConstNoSmartPtrRawPointerToWireType;this.destructorFunction=null}}else{this["toWireType"]=genericPointerToWireType}}function replacePublicSymbol(name,value,numArguments){if(!Module.hasOwnProperty(name)){throwInternalError("Replacing nonexistant public symbol")}if(undefined!==Module[name].overloadTable&&undefined!==numArguments){Module[name].overloadTable[numArguments]=value}else{Module[name]=value;Module[name].argCount=numArguments}}function dynCallLegacy(sig,ptr,args){var f=Module["dynCall_"+sig];return args&&args.length?f.apply(null,[ptr].concat(args)):f.call(null,ptr)}function getWasmTableEntry(funcPtr){return wasmTable.get(funcPtr)}function dynCall(sig,ptr,args){if(sig.includes("j")){return dynCallLegacy(sig,ptr,args)}var rtn=getWasmTableEntry(ptr).apply(null,args);return rtn}function getDynCaller(sig,ptr){var argCache=[];return function(){argCache.length=0;Object.assign(argCache,arguments);return dynCall(sig,ptr,argCache)}}function embind__requireFunction(signature,rawFunction){signature=readLatin1String(signature);function makeDynCaller(){if(signature.includes("j")){return getDynCaller(signature,rawFunction)}return getWasmTableEntry(rawFunction)}var fp=makeDynCaller();if(typeof fp!="function"){throwBindingError("unknown function pointer with signature "+signature+": "+rawFunction)}return fp}var UnboundTypeError=undefined;function getTypeName(type){var ptr=___getTypeName(type);var rv=readLatin1String(ptr);_free(ptr);return rv}function throwUnboundTypeError(message,types){var unboundTypes=[];var seen={};function visit(type){if(seen[type]){return}if(registeredTypes[type]){return}if(typeDependencies[type]){typeDependencies[type].forEach(visit);return}unboundTypes.push(type);seen[type]=true}types.forEach(visit);throw new UnboundTypeError(message+": "+unboundTypes.map(getTypeName).join([", "]))}function __embind_register_class(rawType,rawPointerType,rawConstPointerType,baseClassRawType,getActualTypeSignature,getActualType,upcastSignature,upcast,downcastSignature,downcast,name,destructorSignature,rawDestructor){name=readLatin1String(name);getActualType=embind__requireFunction(getActualTypeSignature,getActualType);if(upcast){upcast=embind__requireFunction(upcastSignature,upcast)}if(downcast){downcast=embind__requireFunction(downcastSignature,downcast)}rawDestructor=embind__requireFunction(destructorSignature,rawDestructor);var legalFunctionName=makeLegalFunctionName(name);exposePublicSymbol(legalFunctionName,function(){throwUnboundTypeError("Cannot construct "+name+" due to unbound types",[baseClassRawType])});whenDependentTypesAreResolved([rawType,rawPointerType,rawConstPointerType],baseClassRawType?[baseClassRawType]:[],function(base){base=base[0];var baseClass;var basePrototype;if(baseClassRawType){baseClass=base.registeredClass;basePrototype=baseClass.instancePrototype}else{basePrototype=ClassHandle.prototype}var constructor=createNamedFunction(legalFunctionName,function(){if(Object.getPrototypeOf(this)!==instancePrototype){throw new BindingError("Use 'new' to construct "+name)}if(undefined===registeredClass.constructor_body){throw new BindingError(name+" has no accessible constructor")}var body=registeredClass.constructor_body[arguments.length];if(undefined===body){throw new BindingError("Tried to invoke ctor of "+name+" with invalid number of parameters ("+arguments.length+") - expected ("+Object.keys(registeredClass.constructor_body).toString()+") parameters instead!")}return body.apply(this,arguments)});var instancePrototype=Object.create(basePrototype,{constructor:{value:constructor}});constructor.prototype=instancePrototype;var registeredClass=new RegisteredClass(name,constructor,instancePrototype,rawDestructor,baseClass,getActualType,upcast,downcast);var referenceConverter=new RegisteredPointer(name,registeredClass,true,false,false);var pointerConverter=new RegisteredPointer(name+"*",registeredClass,false,false,false);var constPointerConverter=new RegisteredPointer(name+" const*",registeredClass,false,true,false);registeredPointers[rawType]={pointerType:pointerConverter,constPointerType:constPointerConverter};replacePublicSymbol(legalFunctionName,constructor);return[referenceConverter,pointerConverter,constPointerConverter]})}function new_(constructor,argumentList){if(!(constructor instanceof Function)){throw new TypeError("new_ called with constructor type "+typeof constructor+" which is not a function")}var dummy=createNamedFunction(constructor.name||"unknownFunctionName",function(){});dummy.prototype=constructor.prototype;var obj=new dummy;var r=constructor.apply(obj,argumentList);return r instanceof Object?r:obj}function craftInvokerFunction(humanName,argTypes,classType,cppInvokerFunc,cppTargetFunc){var argCount=argTypes.length;if(argCount<2){throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!")}var isClassMethodFunc=argTypes[1]!==null&&classType!==null;var needsDestructorStack=false;for(var i=1;i0?", ":"")+argsListWired}invokerFnBody+=(returns?"var rv = ":"")+"invoker(fn"+(argsListWired.length>0?", ":"")+argsListWired+");\n";if(needsDestructorStack){invokerFnBody+="runDestructors(destructors);\n"}else{for(var i=isClassMethodFunc?1:2;i>2])}return array}function __embind_register_class_class_function(rawClassType,methodName,argCount,rawArgTypesAddr,invokerSignature,rawInvoker,fn){var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);methodName=readLatin1String(methodName);rawInvoker=embind__requireFunction(invokerSignature,rawInvoker);whenDependentTypesAreResolved([],[rawClassType],function(classType){classType=classType[0];var humanName=classType.name+"."+methodName;function unboundTypesHandler(){throwUnboundTypeError("Cannot call "+humanName+" due to unbound types",rawArgTypes)}if(methodName.startsWith("@@")){methodName=Symbol[methodName.substring(2)]}var proto=classType.registeredClass.constructor;if(undefined===proto[methodName]){unboundTypesHandler.argCount=argCount-1;proto[methodName]=unboundTypesHandler}else{ensureOverloadTable(proto,methodName,humanName);proto[methodName].overloadTable[argCount-1]=unboundTypesHandler}whenDependentTypesAreResolved([],rawArgTypes,function(argTypes){var invokerArgsArray=[argTypes[0],null].concat(argTypes.slice(1));var func=craftInvokerFunction(humanName,invokerArgsArray,null,rawInvoker,fn);if(undefined===proto[methodName].overloadTable){func.argCount=argCount-1;proto[methodName]=func}else{proto[methodName].overloadTable[argCount-1]=func}return[]});return[]})}function __embind_register_class_constructor(rawClassType,argCount,rawArgTypesAddr,invokerSignature,invoker,rawConstructor){assert(argCount>0);var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);invoker=embind__requireFunction(invokerSignature,invoker);whenDependentTypesAreResolved([],[rawClassType],function(classType){classType=classType[0];var humanName="constructor "+classType.name;if(undefined===classType.registeredClass.constructor_body){classType.registeredClass.constructor_body=[]}if(undefined!==classType.registeredClass.constructor_body[argCount-1]){throw new BindingError("Cannot register multiple constructors with identical number of parameters ("+(argCount-1)+") for class '"+classType.name+"'! Overload resolution is currently only performed using the parameter count, not actual type info!")}classType.registeredClass.constructor_body[argCount-1]=()=>{throwUnboundTypeError("Cannot construct "+classType.name+" due to unbound types",rawArgTypes)};whenDependentTypesAreResolved([],rawArgTypes,function(argTypes){argTypes.splice(1,0,null);classType.registeredClass.constructor_body[argCount-1]=craftInvokerFunction(humanName,argTypes,null,invoker,rawConstructor);return[]});return[]})}function __embind_register_class_function(rawClassType,methodName,argCount,rawArgTypesAddr,invokerSignature,rawInvoker,context,isPureVirtual){var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);methodName=readLatin1String(methodName);rawInvoker=embind__requireFunction(invokerSignature,rawInvoker);whenDependentTypesAreResolved([],[rawClassType],function(classType){classType=classType[0];var humanName=classType.name+"."+methodName;if(methodName.startsWith("@@")){methodName=Symbol[methodName.substring(2)]}if(isPureVirtual){classType.registeredClass.pureVirtualFunctions.push(methodName)}function unboundTypesHandler(){throwUnboundTypeError("Cannot call "+humanName+" due to unbound types",rawArgTypes)}var proto=classType.registeredClass.instancePrototype;var method=proto[methodName];if(undefined===method||undefined===method.overloadTable&&method.className!==classType.name&&method.argCount===argCount-2){unboundTypesHandler.argCount=argCount-2;unboundTypesHandler.className=classType.name;proto[methodName]=unboundTypesHandler}else{ensureOverloadTable(proto,methodName,humanName);proto[methodName].overloadTable[argCount-2]=unboundTypesHandler}whenDependentTypesAreResolved([],rawArgTypes,function(argTypes){var memberFunction=craftInvokerFunction(humanName,argTypes,classType,rawInvoker,context);if(undefined===proto[methodName].overloadTable){memberFunction.argCount=argCount-2;proto[methodName]=memberFunction}else{proto[methodName].overloadTable[argCount-2]=memberFunction}return[]});return[]})}function validateThis(this_,classType,humanName){if(!(this_ instanceof Object)){throwBindingError(humanName+' with invalid "this": '+this_)}if(!(this_ instanceof classType.registeredClass.constructor)){throwBindingError(humanName+' incompatible with "this" of type '+this_.constructor.name)}if(!this_.$$.ptr){throwBindingError("cannot call emscripten binding method "+humanName+" on deleted object")}return upcastPointer(this_.$$.ptr,this_.$$.ptrType.registeredClass,classType.registeredClass)}function __embind_register_class_property(classType,fieldName,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext){fieldName=readLatin1String(fieldName);getter=embind__requireFunction(getterSignature,getter);whenDependentTypesAreResolved([],[classType],function(classType){classType=classType[0];var humanName=classType.name+"."+fieldName;var desc={get:function(){throwUnboundTypeError("Cannot access "+humanName+" due to unbound types",[getterReturnType,setterArgumentType])},enumerable:true,configurable:true};if(setter){desc.set=()=>{throwUnboundTypeError("Cannot access "+humanName+" due to unbound types",[getterReturnType,setterArgumentType])}}else{desc.set=v=>{throwBindingError(humanName+" is a read-only property")}}Object.defineProperty(classType.registeredClass.instancePrototype,fieldName,desc);whenDependentTypesAreResolved([],setter?[getterReturnType,setterArgumentType]:[getterReturnType],function(types){var getterReturnType=types[0];var desc={get:function(){var ptr=validateThis(this,classType,humanName+" getter");return getterReturnType["fromWireType"](getter(getterContext,ptr))},enumerable:true};if(setter){setter=embind__requireFunction(setterSignature,setter);var setterArgumentType=types[1];desc.set=function(v){var ptr=validateThis(this,classType,humanName+" setter");var destructors=[];setter(setterContext,ptr,setterArgumentType["toWireType"](destructors,v));runDestructors(destructors)}}Object.defineProperty(classType.registeredClass.instancePrototype,fieldName,desc);return[]});return[]})}var emval_free_list=[];var emval_handle_array=[{},{value:undefined},{value:null},{value:true},{value:false}];function __emval_decref(handle){if(handle>4&&0===--emval_handle_array[handle].refcount){emval_handle_array[handle]=undefined;emval_free_list.push(handle)}}function count_emval_handles(){var count=0;for(var i=5;i{if(!handle){throwBindingError("Cannot use deleted val. handle = "+handle)}return emval_handle_array[handle].value},toHandle:value=>{switch(value){case undefined:return 1;case null:return 2;case true:return 3;case false:return 4;default:{var handle=emval_free_list.length?emval_free_list.pop():emval_handle_array.length;emval_handle_array[handle]={refcount:1,value:value};return handle}}}};function __embind_register_emval(rawType,name){name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(handle){var rv=Emval.toValue(handle);__emval_decref(handle);return rv},"toWireType":function(destructors,value){return Emval.toHandle(value)},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:null})}function enumReadValueFromPointer(name,shift,signed){switch(shift){case 0:return function(pointer){var heap=signed?HEAP8:HEAPU8;return this["fromWireType"](heap[pointer])};case 1:return function(pointer){var heap=signed?HEAP16:HEAPU16;return this["fromWireType"](heap[pointer>>1])};case 2:return function(pointer){var heap=signed?HEAP32:HEAPU32;return this["fromWireType"](heap[pointer>>2])};default:throw new TypeError("Unknown integer type: "+name)}}function __embind_register_enum(rawType,name,size,isSigned){var shift=getShiftFromSize(size);name=readLatin1String(name);function ctor(){}ctor.values={};registerType(rawType,{name:name,constructor:ctor,"fromWireType":function(c){return this.constructor.values[c]},"toWireType":function(destructors,c){return c.value},"argPackAdvance":8,"readValueFromPointer":enumReadValueFromPointer(name,shift,isSigned),destructorFunction:null});exposePublicSymbol(name,ctor)}function requireRegisteredType(rawType,humanName){var impl=registeredTypes[rawType];if(undefined===impl){throwBindingError(humanName+" has unknown type "+getTypeName(rawType))}return impl}function __embind_register_enum_value(rawEnumType,name,enumValue){var enumType=requireRegisteredType(rawEnumType,"enum");name=readLatin1String(name);var Enum=enumType.constructor;var Value=Object.create(enumType.constructor.prototype,{value:{value:enumValue},constructor:{value:createNamedFunction(enumType.name+"_"+name,function(){})}});Enum.values[enumValue]=Value;Enum[name]=Value}function embindRepr(v){if(v===null){return"null"}var t=typeof v;if(t==="object"||t==="array"||t==="function"){return v.toString()}else{return""+v}}function floatReadValueFromPointer(name,shift){switch(shift){case 2:return function(pointer){return this["fromWireType"](HEAPF32[pointer>>2])};case 3:return function(pointer){return this["fromWireType"](HEAPF64[pointer>>3])};default:throw new TypeError("Unknown float type: "+name)}}function __embind_register_float(rawType,name,size){var shift=getShiftFromSize(size);name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(value){return value},"toWireType":function(destructors,value){return value},"argPackAdvance":8,"readValueFromPointer":floatReadValueFromPointer(name,shift),destructorFunction:null})}function integerReadValueFromPointer(name,shift,signed){switch(shift){case 0:return signed?function readS8FromPointer(pointer){return HEAP8[pointer]}:function readU8FromPointer(pointer){return HEAPU8[pointer]};case 1:return signed?function readS16FromPointer(pointer){return HEAP16[pointer>>1]}:function readU16FromPointer(pointer){return HEAPU16[pointer>>1]};case 2:return signed?function readS32FromPointer(pointer){return HEAP32[pointer>>2]}:function readU32FromPointer(pointer){return HEAPU32[pointer>>2]};default:throw new TypeError("Unknown integer type: "+name)}}function __embind_register_integer(primitiveType,name,size,minRange,maxRange){name=readLatin1String(name);if(maxRange===-1){maxRange=4294967295}var shift=getShiftFromSize(size);var fromWireType=value=>value;if(minRange===0){var bitshift=32-8*size;fromWireType=value=>value<>>bitshift}var isUnsignedType=name.includes("unsigned");var checkAssertions=(value,toTypeName)=>{};var toWireType;if(isUnsignedType){toWireType=function(destructors,value){checkAssertions(value,this.name);return value>>>0}}else{toWireType=function(destructors,value){checkAssertions(value,this.name);return value}}registerType(primitiveType,{name:name,"fromWireType":fromWireType,"toWireType":toWireType,"argPackAdvance":8,"readValueFromPointer":integerReadValueFromPointer(name,shift,minRange!==0),destructorFunction:null})}function __embind_register_memory_view(rawType,dataTypeIndex,name){var typeMapping=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array];var TA=typeMapping[dataTypeIndex];function decodeMemoryView(handle){handle=handle>>2;var heap=HEAPU32;var size=heap[handle];var data=heap[handle+1];return new TA(heap.buffer,data,size)}name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":decodeMemoryView,"argPackAdvance":8,"readValueFromPointer":decodeMemoryView},{ignoreDuplicateRegistrations:true})}function __embind_register_std_string(rawType,name){name=readLatin1String(name);var stdStringIsUTF8=name==="std::string";registerType(rawType,{name:name,"fromWireType":function(value){var length=HEAPU32[value>>2];var payload=value+4;var str;if(stdStringIsUTF8){var decodeStartPtr=payload;for(var i=0;i<=length;++i){var currentBytePtr=payload+i;if(i==length||HEAPU8[currentBytePtr]==0){var maxRead=currentBytePtr-decodeStartPtr;var stringSegment=UTF8ToString(decodeStartPtr,maxRead);if(str===undefined){str=stringSegment}else{str+=String.fromCharCode(0);str+=stringSegment}decodeStartPtr=currentBytePtr+1}}}else{var a=new Array(length);for(var i=0;i>2]=length;if(stdStringIsUTF8&&valueIsOfTypeString){stringToUTF8(value,ptr,length+1)}else{if(valueIsOfTypeString){for(var i=0;i255){_free(ptr);throwBindingError("String has UTF-16 code units that do not fit in 8 bits")}HEAPU8[ptr+i]=charCode}}else{for(var i=0;i>1;var maxIdx=idx+maxBytesToRead/2;while(!(idx>=maxIdx)&&HEAPU16[idx])++idx;endPtr=idx<<1;if(endPtr-ptr>32&&UTF16Decoder)return UTF16Decoder.decode(HEAPU8.subarray(ptr,endPtr));var str="";for(var i=0;!(i>=maxBytesToRead/2);++i){var codeUnit=HEAP16[ptr+i*2>>1];if(codeUnit==0)break;str+=String.fromCharCode(codeUnit)}return str}function stringToUTF16(str,outPtr,maxBytesToWrite){if(maxBytesToWrite===undefined){maxBytesToWrite=2147483647}if(maxBytesToWrite<2)return 0;maxBytesToWrite-=2;var startPtr=outPtr;var numCharsToWrite=maxBytesToWrite>1]=codeUnit;outPtr+=2}HEAP16[outPtr>>1]=0;return outPtr-startPtr}function lengthBytesUTF16(str){return str.length*2}function UTF32ToString(ptr,maxBytesToRead){var i=0;var str="";while(!(i>=maxBytesToRead/4)){var utf32=HEAP32[ptr+i*4>>2];if(utf32==0)break;++i;if(utf32>=65536){var ch=utf32-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}else{str+=String.fromCharCode(utf32)}}return str}function stringToUTF32(str,outPtr,maxBytesToWrite){if(maxBytesToWrite===undefined){maxBytesToWrite=2147483647}if(maxBytesToWrite<4)return 0;var startPtr=outPtr;var endPtr=startPtr+maxBytesToWrite-4;for(var i=0;i=55296&&codeUnit<=57343){var trailSurrogate=str.charCodeAt(++i);codeUnit=65536+((codeUnit&1023)<<10)|trailSurrogate&1023}HEAP32[outPtr>>2]=codeUnit;outPtr+=4;if(outPtr+4>endPtr)break}HEAP32[outPtr>>2]=0;return outPtr-startPtr}function lengthBytesUTF32(str){var len=0;for(var i=0;i=55296&&codeUnit<=57343)++i;len+=4}return len}function __embind_register_std_wstring(rawType,charSize,name){name=readLatin1String(name);var decodeString,encodeString,getHeap,lengthBytesUTF,shift;if(charSize===2){decodeString=UTF16ToString;encodeString=stringToUTF16;lengthBytesUTF=lengthBytesUTF16;getHeap=()=>HEAPU16;shift=1}else if(charSize===4){decodeString=UTF32ToString;encodeString=stringToUTF32;lengthBytesUTF=lengthBytesUTF32;getHeap=()=>HEAPU32;shift=2}registerType(rawType,{name:name,"fromWireType":function(value){var length=HEAPU32[value>>2];var HEAP=getHeap();var str;var decodeStartPtr=value+4;for(var i=0;i<=length;++i){var currentBytePtr=value+4+i*charSize;if(i==length||HEAP[currentBytePtr>>shift]==0){var maxReadBytes=currentBytePtr-decodeStartPtr;var stringSegment=decodeString(decodeStartPtr,maxReadBytes);if(str===undefined){str=stringSegment}else{str+=String.fromCharCode(0);str+=stringSegment}decodeStartPtr=currentBytePtr+charSize}}_free(value);return str},"toWireType":function(destructors,value){if(!(typeof value=="string")){throwBindingError("Cannot pass non-string to C++ string type "+name)}var length=lengthBytesUTF(value);var ptr=_malloc(4+length+charSize);HEAPU32[ptr>>2]=length>>shift;encodeString(value,ptr+4,length+charSize);if(destructors!==null){destructors.push(_free,ptr)}return ptr},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:function(ptr){_free(ptr)}})}function __embind_register_value_array(rawType,name,constructorSignature,rawConstructor,destructorSignature,rawDestructor){tupleRegistrations[rawType]={name:readLatin1String(name),rawConstructor:embind__requireFunction(constructorSignature,rawConstructor),rawDestructor:embind__requireFunction(destructorSignature,rawDestructor),elements:[]}}function __embind_register_value_array_element(rawTupleType,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext){tupleRegistrations[rawTupleType].elements.push({getterReturnType:getterReturnType,getter:embind__requireFunction(getterSignature,getter),getterContext:getterContext,setterArgumentType:setterArgumentType,setter:embind__requireFunction(setterSignature,setter),setterContext:setterContext})}function __embind_register_value_object(rawType,name,constructorSignature,rawConstructor,destructorSignature,rawDestructor){structRegistrations[rawType]={name:readLatin1String(name),rawConstructor:embind__requireFunction(constructorSignature,rawConstructor),rawDestructor:embind__requireFunction(destructorSignature,rawDestructor),fields:[]}}function __embind_register_value_object_field(structType,fieldName,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext){structRegistrations[structType].fields.push({fieldName:readLatin1String(fieldName),getterReturnType:getterReturnType,getter:embind__requireFunction(getterSignature,getter),getterContext:getterContext,setterArgumentType:setterArgumentType,setter:embind__requireFunction(setterSignature,setter),setterContext:setterContext})}function __embind_register_void(rawType,name){name=readLatin1String(name);registerType(rawType,{isVoid:true,name:name,"argPackAdvance":0,"fromWireType":function(){return undefined},"toWireType":function(destructors,o){return undefined}})}function __emval_as(handle,returnType,destructorsRef){handle=Emval.toValue(handle);returnType=requireRegisteredType(returnType,"emval::as");var destructors=[];var rd=Emval.toHandle(destructors);HEAPU32[destructorsRef>>2]=rd;return returnType["toWireType"](destructors,handle)}function emval_allocateDestructors(destructorsRef){var destructors=[];HEAPU32[destructorsRef>>2]=Emval.toHandle(destructors);return destructors}var emval_symbols={};function getStringOrSymbol(address){var symbol=emval_symbols[address];if(symbol===undefined){return readLatin1String(address)}return symbol}var emval_methodCallers=[];function __emval_call_method(caller,handle,methodName,destructorsRef,args){caller=emval_methodCallers[caller];handle=Emval.toValue(handle);methodName=getStringOrSymbol(methodName);return caller(handle,methodName,emval_allocateDestructors(destructorsRef),args)}function __emval_call_void_method(caller,handle,methodName,args){caller=emval_methodCallers[caller];handle=Emval.toValue(handle);methodName=getStringOrSymbol(methodName);caller(handle,methodName,null,args)}function __emval_equals(first,second){first=Emval.toValue(first);second=Emval.toValue(second);return first==second}function emval_get_global(){if(typeof globalThis=="object"){return globalThis}return function(){return Function}()("return this")()}function __emval_get_global(name){if(name===0){return Emval.toHandle(emval_get_global())}else{name=getStringOrSymbol(name);return Emval.toHandle(emval_get_global()[name])}}function emval_addMethodCaller(caller){var id=emval_methodCallers.length;emval_methodCallers.push(caller);return id}function emval_lookupTypes(argCount,argTypes){var a=new Array(argCount);for(var i=0;i>2],"parameter "+i)}return a}var emval_registeredMethods=[];function __emval_get_method_caller(argCount,argTypes){var types=emval_lookupTypes(argCount,argTypes);var retType=types[0];var signatureName=retType.name+"_$"+types.slice(1).map(function(t){return t.name}).join("_")+"$";var returnId=emval_registeredMethods[signatureName];if(returnId!==undefined){return returnId}var params=["retType"];var args=[retType];var argsList="";for(var i=0;i4){emval_handle_array[handle].refcount+=1}}function __emval_instanceof(object,constructor){object=Emval.toValue(object);constructor=Emval.toValue(constructor);return object instanceof constructor}function __emval_is_number(handle){handle=Emval.toValue(handle);return typeof handle=="number"}function __emval_is_string(handle){handle=Emval.toValue(handle);return typeof handle=="string"}function craftEmvalAllocator(argCount){var argsList="";for(var i=0;iHEAPU32;var functionBody="return function emval_allocator_"+argCount+"(constructor, argTypes, args) {\n"+" var HEAPU32 = getMemory();\n";for(var i=0;i>2)], 'parameter "+i+"');\n"+"var arg"+i+" = argType"+i+".readValueFromPointer(args);\n"+"args += argType"+i+"['argPackAdvance'];\n"+"argTypes += 4;\n"}functionBody+="var obj = new constructor("+argsList+");\n"+"return valueToHandle(obj);\n"+"}\n";return new Function("requireRegisteredType","Module","valueToHandle","getMemory",functionBody)(requireRegisteredType,Module,Emval.toHandle,getMemory)}var emval_newers={};function __emval_new(handle,argCount,argTypes,args){handle=Emval.toValue(handle);var newer=emval_newers[argCount];if(!newer){newer=craftEmvalAllocator(argCount);emval_newers[argCount]=newer}return newer(handle,argTypes,args)}function __emval_new_array(){return Emval.toHandle([])}function __emval_new_cstring(v){return Emval.toHandle(getStringOrSymbol(v))}function __emval_new_object(){return Emval.toHandle({})}function __emval_run_destructors(handle){var destructors=Emval.toValue(handle);runDestructors(destructors);__emval_decref(handle)}function __emval_set_property(handle,key,value){handle=Emval.toValue(handle);key=Emval.toValue(key);value=Emval.toValue(value);handle[key]=value}function __emval_take_value(type,arg){type=requireRegisteredType(type,"_emval_take_value");var v=type["readValueFromPointer"](arg);return Emval.toHandle(v)}function readI53FromI64(ptr){return HEAPU32[ptr>>2]+HEAP32[ptr+4>>2]*4294967296}function __gmtime_js(time,tmPtr){var date=new Date(readI53FromI64(time)*1e3);HEAP32[tmPtr>>2]=date.getUTCSeconds();HEAP32[tmPtr+4>>2]=date.getUTCMinutes();HEAP32[tmPtr+8>>2]=date.getUTCHours();HEAP32[tmPtr+12>>2]=date.getUTCDate();HEAP32[tmPtr+16>>2]=date.getUTCMonth();HEAP32[tmPtr+20>>2]=date.getUTCFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getUTCDay();var start=Date.UTC(date.getUTCFullYear(),0,1,0,0,0,0);var yday=(date.getTime()-start)/(1e3*60*60*24)|0;HEAP32[tmPtr+28>>2]=yday}function __isLeapYear(year){return year%4===0&&(year%100!==0||year%400===0)}var __MONTH_DAYS_LEAP_CUMULATIVE=[0,31,60,91,121,152,182,213,244,274,305,335];var __MONTH_DAYS_REGULAR_CUMULATIVE=[0,31,59,90,120,151,181,212,243,273,304,334];function __yday_from_date(date){var isLeapYear=__isLeapYear(date.getFullYear());var monthDaysCumulative=isLeapYear?__MONTH_DAYS_LEAP_CUMULATIVE:__MONTH_DAYS_REGULAR_CUMULATIVE;var yday=monthDaysCumulative[date.getMonth()]+date.getDate()-1;return yday}function __localtime_js(time,tmPtr){var date=new Date(readI53FromI64(time)*1e3);HEAP32[tmPtr>>2]=date.getSeconds();HEAP32[tmPtr+4>>2]=date.getMinutes();HEAP32[tmPtr+8>>2]=date.getHours();HEAP32[tmPtr+12>>2]=date.getDate();HEAP32[tmPtr+16>>2]=date.getMonth();HEAP32[tmPtr+20>>2]=date.getFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getDay();var yday=__yday_from_date(date)|0;HEAP32[tmPtr+28>>2]=yday;HEAP32[tmPtr+36>>2]=-(date.getTimezoneOffset()*60);var start=new Date(date.getFullYear(),0,1);var summerOffset=new Date(date.getFullYear(),6,1).getTimezoneOffset();var winterOffset=start.getTimezoneOffset();var dst=(summerOffset!=winterOffset&&date.getTimezoneOffset()==Math.min(winterOffset,summerOffset))|0;HEAP32[tmPtr+32>>2]=dst}function __mktime_js(tmPtr){var date=new Date(HEAP32[tmPtr+20>>2]+1900,HEAP32[tmPtr+16>>2],HEAP32[tmPtr+12>>2],HEAP32[tmPtr+8>>2],HEAP32[tmPtr+4>>2],HEAP32[tmPtr>>2],0);var dst=HEAP32[tmPtr+32>>2];var guessedOffset=date.getTimezoneOffset();var start=new Date(date.getFullYear(),0,1);var summerOffset=new Date(date.getFullYear(),6,1).getTimezoneOffset();var winterOffset=start.getTimezoneOffset();var dstOffset=Math.min(winterOffset,summerOffset);if(dst<0){HEAP32[tmPtr+32>>2]=Number(summerOffset!=winterOffset&&dstOffset==guessedOffset)}else if(dst>0!=(dstOffset==guessedOffset)){var nonDstOffset=Math.max(winterOffset,summerOffset);var trueOffset=dst>0?dstOffset:nonDstOffset;date.setTime(date.getTime()+(trueOffset-guessedOffset)*6e4)}HEAP32[tmPtr+24>>2]=date.getDay();var 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asm=createWasm();var ___wasm_call_ctors=Module["___wasm_call_ctors"]=function(){return(___wasm_call_ctors=Module["___wasm_call_ctors"]=Module["asm"]["pa"]).apply(null,arguments)};var _malloc=Module["_malloc"]=function(){return(_malloc=Module["_malloc"]=Module["asm"]["ra"]).apply(null,arguments)};var _free=Module["_free"]=function(){return(_free=Module["_free"]=Module["asm"]["sa"]).apply(null,arguments)};var ___errno_location=Module["___errno_location"]=function(){return(___errno_location=Module["___errno_location"]=Module["asm"]["ta"]).apply(null,arguments)};var ___getTypeName=Module["___getTypeName"]=function(){return(___getTypeName=Module["___getTypeName"]=Module["asm"]["ua"]).apply(null,arguments)};var __embind_initialize_bindings=Module["__embind_initialize_bindings"]=function(){return(__embind_initialize_bindings=Module["__embind_initialize_bindings"]=Module["asm"]["va"]).apply(null,arguments)};var _htons=Module["_htons"]=function(){return(_htons=Module["_htons"]=Module["asm"]["wa"]).apply(null,arguments)};var _ntohs=Module["_ntohs"]=function(){return(_ntohs=Module["_ntohs"]=Module["asm"]["xa"]).apply(null,arguments)};var ___cxa_is_pointer_type=Module["___cxa_is_pointer_type"]=function(){return(___cxa_is_pointer_type=Module["___cxa_is_pointer_type"]=Module["asm"]["ya"]).apply(null,arguments)};var dynCall_ji=Module["dynCall_ji"]=function(){return(dynCall_ji=Module["dynCall_ji"]=Module["asm"]["za"]).apply(null,arguments)};var dynCall_vij=Module["dynCall_vij"]=function(){return(dynCall_vij=Module["dynCall_vij"]=Module["asm"]["Aa"]).apply(null,arguments)};var dynCall_jiji=Module["dynCall_jiji"]=function(){return(dynCall_jiji=Module["dynCall_jiji"]=Module["asm"]["Ba"]).apply(null,arguments)};var calledRun;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function run(args){args=args||arguments_;if(runDependencies>0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();readyPromiseResolve(Module);if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(function(){setTimeout(function(){Module["setStatus"]("")},1);doRun()},1)}else{doRun()}}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}run(); + + + return rhino3dm.ready +} +); +})(); +if (typeof exports === 'object' && typeof module === 'object') + module.exports = rhino3dm; +else if (typeof define === 'function' && define['amd']) + define([], function() { return rhino3dm; }); +else if (typeof exports === 'object') + exports["rhino3dm"] = rhino3dm; diff --git a/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.module.js b/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.module.js new file mode 100644 index 0000000..14ec133 --- /dev/null +++ b/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.module.js @@ -0,0 +1,16 @@ + +var rhino3dm = (() => { + var _scriptDir = import.meta.url; + + return ( +async function(config) { + var rhino3dm = config || {}; + +var Module=typeof rhino3dm!="undefined"?rhino3dm:{};var readyPromiseResolve,readyPromiseReject;Module["ready"]=new Promise(function(resolve,reject){readyPromiseResolve=resolve;readyPromiseReject=reject});var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;function logExceptionOnExit(e){if(e instanceof ExitStatus)return;let toLog=e;err("exiting due to exception: "+toLog)}if(ENVIRONMENT_IS_NODE){const{createRequire:createRequire}=await import("module");var require=createRequire(import.meta.url);var fs=require("fs");var nodePath=require("path");if(ENVIRONMENT_IS_WORKER){scriptDirectory=nodePath.dirname(scriptDirectory)+"/"}else{scriptDirectory=require("url").fileURLToPath(new URL("./",import.meta.url))}read_=(filename,binary)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);return fs.readFileSync(filename,binary?undefined:"utf8")};readBinary=filename=>{var ret=read_(filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}return ret};readAsync=(filename,onload,onerror)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);fs.readFile(filename,function(err,data){if(err)onerror(err);else onload(data.buffer)})};if(process["argv"].length>1){thisProgram=process["argv"][1].replace(/\\/g,"/")}arguments_=process["argv"].slice(2);process["on"]("uncaughtException",function(ex){if(!(ex instanceof ExitStatus)){throw ex}});process["on"]("unhandledRejection",function(reason){throw reason});quit_=(status,toThrow)=>{if(keepRuntimeAlive()){process["exitCode"]=status;throw toThrow}logExceptionOnExit(toThrow);process["exit"](status)};Module["inspect"]=function(){return"[Emscripten Module object]"}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}else{scriptDirectory=""}{read_=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=(url,onload,onerror)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}setWindowTitle=title=>document.title=title}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.warn.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["quit"])quit_=Module["quit"];var POINTER_SIZE=4;var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];var noExitRuntime=Module["noExitRuntime"]||true;if(typeof WebAssembly!="object"){abort("no native wasm support detected")}var wasmMemory;var ABORT=false;var EXITSTATUS;function assert(condition,text){if(!condition){abort(text)}}var UTF8Decoder=typeof TextDecoder!="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(heapOrArray,idx,maxBytesToRead){var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heapOrArray[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx>10,56320|ch&1023)}}return str}function 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HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b)}var INITIAL_MEMORY=Module["INITIAL_MEMORY"]||16777216;var wasmTable;var __ATPRERUN__=[];var __ATINIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function keepRuntimeAlive(){return noExitRuntime}function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;SOCKFS.root=FS.mount(SOCKFS,{},null);if(!Module["noFSInit"]&&!FS.init.initialized)FS.init();FS.ignorePermissions=false;TTY.init();callRuntimeCallbacks(__ATINIT__)}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnInit(cb){__ATINIT__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function getUniqueRunDependency(id){return id}function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}what="Aborted("+what+")";err(what);ABORT=true;EXITSTATUS=1;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject(e);throw e}var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return filename.startsWith(dataURIPrefix)}function isFileURI(filename){return filename.startsWith("file://")}var wasmBinaryFile;if(Module["locateFile"]){wasmBinaryFile="rhino3dm.wasm";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}}else{wasmBinaryFile=new URL("rhino3dm.wasm",import.meta.url).href}function getBinary(file){try{if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}catch(err){abort(err)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)){if(typeof fetch=="function"&&!isFileURI(wasmBinaryFile)){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){if(!response["ok"]){throw"failed to load wasm binary file at '"+wasmBinaryFile+"'"}return response["arrayBuffer"]()}).catch(function(){return getBinary(wasmBinaryFile)})}else{if(readAsync){return new Promise(function(resolve,reject){readAsync(wasmBinaryFile,function(response){resolve(new Uint8Array(response))},reject)})}}}return Promise.resolve().then(function(){return getBinary(wasmBinaryFile)})}function createWasm(){var info={"a":asmLibraryArg};function receiveInstance(instance,module){var exports=instance.exports;Module["asm"]=exports;wasmMemory=Module["asm"]["oa"];updateMemoryViews();wasmTable=Module["asm"]["qa"];addOnInit(Module["asm"]["pa"]);removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){receiveInstance(result["instance"])}function instantiateArrayBuffer(receiver){return getBinaryPromise().then(function(binary){return WebAssembly.instantiate(binary,info)}).then(function(instance){return instance}).then(receiver,function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(wasmBinaryFile)&&!isFileURI(wasmBinaryFile)&&!ENVIRONMENT_IS_NODE&&typeof fetch=="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiationResult,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(receiveInstantiationResult)})})}else{return instantiateArrayBuffer(receiveInstantiationResult)}}if(Module["instantiateWasm"]){try{var exports=Module["instantiateWasm"](info,receiveInstance);return exports}catch(e){err("Module.instantiateWasm callback failed with error: "+e);readyPromiseReject(e)}}instantiateAsync().catch(readyPromiseReject);return{}}var tempDouble;var tempI64;function ExitStatus(status){this.name="ExitStatus";this.message="Program terminated with exit("+status+")";this.status=status}function callRuntimeCallbacks(callbacks){while(callbacks.length>0){callbacks.shift()(Module)}}function ExceptionInfo(excPtr){this.excPtr=excPtr;this.ptr=excPtr-24;this.set_type=function(type){HEAPU32[this.ptr+4>>2]=type};this.get_type=function(){return HEAPU32[this.ptr+4>>2]};this.set_destructor=function(destructor){HEAPU32[this.ptr+8>>2]=destructor};this.get_destructor=function(){return HEAPU32[this.ptr+8>>2]};this.set_refcount=function(refcount){HEAP32[this.ptr>>2]=refcount};this.set_caught=function(caught){caught=caught?1:0;HEAP8[this.ptr+12>>0]=caught};this.get_caught=function(){return HEAP8[this.ptr+12>>0]!=0};this.set_rethrown=function(rethrown){rethrown=rethrown?1:0;HEAP8[this.ptr+13>>0]=rethrown};this.get_rethrown=function(){return HEAP8[this.ptr+13>>0]!=0};this.init=function(type,destructor){this.set_adjusted_ptr(0);this.set_type(type);this.set_destructor(destructor);this.set_refcount(0);this.set_caught(false);this.set_rethrown(false)};this.add_ref=function(){var value=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=value+1};this.release_ref=function(){var prev=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=prev-1;return prev===1};this.set_adjusted_ptr=function(adjustedPtr){HEAPU32[this.ptr+16>>2]=adjustedPtr};this.get_adjusted_ptr=function(){return HEAPU32[this.ptr+16>>2]};this.get_exception_ptr=function(){var isPointer=___cxa_is_pointer_type(this.get_type());if(isPointer){return HEAPU32[this.excPtr>>2]}var adjusted=this.get_adjusted_ptr();if(adjusted!==0)return adjusted;return this.excPtr}}var exceptionLast=0;var uncaughtExceptionCount=0;function ___cxa_throw(ptr,type,destructor){var info=new ExceptionInfo(ptr);info.init(type,destructor);exceptionLast=ptr;uncaughtExceptionCount++;throw ptr}function getRandomDevice(){if(typeof crypto=="object"&&typeof crypto["getRandomValues"]=="function"){var randomBuffer=new Uint8Array(1);return()=>{crypto.getRandomValues(randomBuffer);return randomBuffer[0]}}else if(ENVIRONMENT_IS_NODE){try{var crypto_module=require("crypto");return()=>crypto_module["randomBytes"](1)[0]}catch(e){}}return()=>abort("randomDevice")}var PATH={isAbs:path=>path.charAt(0)==="/",splitPath:filename=>{var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:(parts,allowAboveRoot)=>{var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts},normalize:path=>{var isAbsolute=PATH.isAbs(path),trailingSlash=path.substr(-1)==="/";path=PATH.normalizeArray(path.split("/").filter(p=>!!p),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path},dirname:path=>{var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir},basename:path=>{if(path==="/")return"/";path=PATH.normalize(path);path=path.replace(/\/$/,"");var lastSlash=path.lastIndexOf("/");if(lastSlash===-1)return path;return path.substr(lastSlash+1)},join:function(){var paths=Array.prototype.slice.call(arguments);return PATH.normalize(paths.join("/"))},join2:(l,r)=>{return PATH.normalize(l+"/"+r)}};var PATH_FS={resolve:function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:FS.cwd();if(typeof path!="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=PATH.isAbs(path)}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter(p=>!!p),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."},relative:(from,to)=>{from=PATH_FS.resolve(from).substr(1);to=PATH_FS.resolve(to).substr(1);function trim(arr){var start=0;for(;start=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}var TTY={ttys:[],init:function(){},shutdown:function(){},register:function(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open:function(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close:function(stream){stream.tty.ops.fsync(stream.tty)},fsync:function(stream){stream.tty.ops.fsync(stream.tty)},read:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i0){result=buf.slice(0,bytesRead).toString("utf-8")}else{result=null}}else if(typeof window!="undefined"&&typeof window.prompt=="function"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else if(typeof readline=="function"){result=readline();if(result!==null){result+="\n"}}if(!result){return null}tty.input=intArrayFromString(result,true)}return tty.input.shift()},put_char:function(tty,val){if(val===null||val===10){out(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync:function(tty){if(tty.output&&tty.output.length>0){out(UTF8ArrayToString(tty.output,0));tty.output=[]}}},default_tty1_ops:{put_char:function(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync:function(tty){if(tty.output&&tty.output.length>0){err(UTF8ArrayToString(tty.output,0));tty.output=[]}}}};function mmapAlloc(size){abort()}var MEMFS={ops_table:null,mount:function(mount){return MEMFS.createNode(null,"/",16384|511,0)},createNode:function(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}if(!MEMFS.ops_table){MEMFS.ops_table={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}}}var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node;parent.timestamp=node.timestamp}return node},getFileDataAsTypedArray:function(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage:function(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0)},resizeFileStorage:function(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0}else{var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize}},node_ops:{getattr:function(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr:function(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup:function(parent,name){throw FS.genericErrors[44]},mknod:function(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename:function(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.parent.timestamp=Date.now();old_node.name=new_name;new_dir.contents[new_name]=old_node;new_dir.timestamp=old_node.parent.timestamp;old_node.parent=new_dir},unlink:function(parent,name){delete parent.contents[name];parent.timestamp=Date.now()},rmdir:function(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name];parent.timestamp=Date.now()},readdir:function(node){var entries=[".",".."];for(var key in node.contents){if(!node.contents.hasOwnProperty(key)){continue}entries.push(key)}return entries},symlink:function(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink:function(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read:function(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i0||position+length{assert(arrayBuffer,'Loading data file "'+url+'" failed (no arrayBuffer).');onload(new Uint8Array(arrayBuffer));if(dep)removeRunDependency(dep)},event=>{if(onerror){onerror()}else{throw'Loading data file "'+url+'" failed.'}});if(dep)addRunDependency(dep)}var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path,opts={})=>{path=PATH_FS.resolve(path);if(!path)return{path:"",node:null};var defaults={follow_mount:true,recurse_count:0};opts=Object.assign(defaults,opts);if(opts.recurse_count>8){throw new FS.ErrnoError(32)}var parts=path.split("/").filter(p=>!!p);var current=FS.root;var current_path="/";for(var i=0;i40){throw new FS.ErrnoError(32)}}}}return{path:current_path,node:current}},getPath:node=>{var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?mount+"/"+path:mount+path}path=path?node.name+"/"+path:node.name;node=node.parent}},hashName:(parentid,name)=>{var hash=0;for(var i=0;i>>0)%FS.nameTable.length},hashAddNode:node=>{var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode:node=>{var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode:(parent,name)=>{var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode,parent)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode:(parent,name,mode,rdev)=>{var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode:node=>{FS.hashRemoveNode(node)},isRoot:node=>{return node===node.parent},isMountpoint:node=>{return!!node.mounted},isFile:mode=>{return(mode&61440)===32768},isDir:mode=>{return(mode&61440)===16384},isLink:mode=>{return(mode&61440)===40960},isChrdev:mode=>{return(mode&61440)===8192},isBlkdev:mode=>{return(mode&61440)===24576},isFIFO:mode=>{return(mode&61440)===4096},isSocket:mode=>{return(mode&49152)===49152},flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:str=>{var flags=FS.flagModes[str];if(typeof flags=="undefined"){throw new Error("Unknown file open mode: "+str)}return flags},flagsToPermissionString:flag=>{var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms},nodePermissions:(node,perms)=>{if(FS.ignorePermissions){return 0}if(perms.includes("r")&&!(node.mode&292)){return 2}else if(perms.includes("w")&&!(node.mode&146)){return 2}else if(perms.includes("x")&&!(node.mode&73)){return 2}return 0},mayLookup:dir=>{var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate:(dir,name)=>{try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete:(dir,name,isdir)=>{var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen:(node,flags)=>{if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd:(fd_start=0,fd_end=FS.MAX_OPEN_FDS)=>{for(var fd=fd_start;fd<=fd_end;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStream:fd=>FS.streams[fd],createStream:(stream,fd_start,fd_end)=>{if(!FS.FSStream){FS.FSStream=function(){this.shared={}};FS.FSStream.prototype={};Object.defineProperties(FS.FSStream.prototype,{object:{get:function(){return this.node},set:function(val){this.node=val}},isRead:{get:function(){return(this.flags&2097155)!==1}},isWrite:{get:function(){return(this.flags&2097155)!==0}},isAppend:{get:function(){return this.flags&1024}},flags:{get:function(){return this.shared.flags},set:function(val){this.shared.flags=val}},position:{get:function(){return this.shared.position},set:function(val){this.shared.position=val}}})}stream=Object.assign(new FS.FSStream,stream);var fd=FS.nextfd(fd_start,fd_end);stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream:fd=>{FS.streams[fd]=null},chrdev_stream_ops:{open:stream=>{var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;if(stream.stream_ops.open){stream.stream_ops.open(stream)}},llseek:()=>{throw new FS.ErrnoError(70)}},major:dev=>dev>>8,minor:dev=>dev&255,makedev:(ma,mi)=>ma<<8|mi,registerDevice:(dev,ops)=>{FS.devices[dev]={stream_ops:ops}},getDevice:dev=>FS.devices[dev],getMounts:mount=>{var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push.apply(check,m.mounts)}return mounts},syncfs:(populate,callback)=>{if(typeof populate=="function"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){err("warning: "+FS.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work")}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach(mount=>{if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)})},mount:(type,opts,mountpoint)=>{var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount:mountpoint=>{var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach(hash=>{var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.includes(current.mount)){FS.destroyNode(current)}current=next}});node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup:(parent,name)=>{return parent.node_ops.lookup(parent,name)},mknod:(path,mode,dev)=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create:(path,mode)=>{mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir:(path,mode)=>{mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree:(path,mode)=>{var dirs=path.split("/");var d="";for(var i=0;i{if(typeof dev=="undefined"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)},symlink:(oldpath,newpath)=>{if(!PATH_FS.resolve(oldpath)){throw new FS.ErrnoError(44)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var newname=PATH.basename(newpath);var errCode=FS.mayCreate(parent,newname);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(63)}return parent.node_ops.symlink(parent,newname,oldpath)},rename:(old_path,new_path)=>{var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node;if(!old_dir||!new_dir)throw new FS.ErrnoError(44);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(75)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH_FS.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(28)}relative=PATH_FS.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(55)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var errCode=FS.mayDelete(old_dir,old_name,isdir);if(errCode){throw new FS.ErrnoError(errCode)}errCode=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(errCode){throw new FS.ErrnoError(errCode)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(63)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(10)}if(new_dir!==old_dir){errCode=FS.nodePermissions(old_dir,"w");if(errCode){throw new FS.ErrnoError(errCode)}}FS.hashRemoveNode(old_node);try{old_dir.node_ops.rename(old_node,new_dir,new_name)}catch(e){throw e}finally{FS.hashAddNode(old_node)}},rmdir:path=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,true);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.rmdir(parent,name);FS.destroyNode(node)},readdir:path=>{var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node.node_ops.readdir){throw new FS.ErrnoError(54)}return node.node_ops.readdir(node)},unlink:path=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,false);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.unlink(parent,name);FS.destroyNode(node)},readlink:path=>{var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(44)}if(!link.node_ops.readlink){throw new FS.ErrnoError(28)}return PATH_FS.resolve(FS.getPath(link.parent),link.node_ops.readlink(link))},stat:(path,dontFollow)=>{var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(44)}if(!node.node_ops.getattr){throw new FS.ErrnoError(63)}return node.node_ops.getattr(node)},lstat:path=>{return FS.stat(path,true)},chmod:(path,mode,dontFollow)=>{var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{mode:mode&4095|node.mode&~4095,timestamp:Date.now()})},lchmod:(path,mode)=>{FS.chmod(path,mode,true)},fchmod:(fd,mode)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chmod(stream.node,mode)},chown:(path,uid,gid,dontFollow)=>{var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{timestamp:Date.now()})},lchown:(path,uid,gid)=>{FS.chown(path,uid,gid,true)},fchown:(fd,uid,gid)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chown(stream.node,uid,gid)},truncate:(path,len)=>{if(len<0){throw new FS.ErrnoError(28)}var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:true});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}if(FS.isDir(node.mode)){throw new FS.ErrnoError(31)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(28)}var errCode=FS.nodePermissions(node,"w");if(errCode){throw new FS.ErrnoError(errCode)}node.node_ops.setattr(node,{size:len,timestamp:Date.now()})},ftruncate:(fd,len)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(28)}FS.truncate(stream.node,len)},utime:(path,atime,mtime)=>{var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})},open:(path,flags,mode)=>{if(path===""){throw new FS.ErrnoError(44)}flags=typeof flags=="string"?FS.modeStringToFlags(flags):flags;mode=typeof mode=="undefined"?438:mode;if(flags&64){mode=mode&4095|32768}else{mode=0}var node;if(typeof path=="object"){node=path}else{path=PATH.normalize(path);try{var lookup=FS.lookupPath(path,{follow:!(flags&131072)});node=lookup.node}catch(e){}}var created=false;if(flags&64){if(node){if(flags&128){throw new FS.ErrnoError(20)}}else{node=FS.mknod(path,mode,0);created=true}}if(!node){throw new FS.ErrnoError(44)}if(FS.isChrdev(node.mode)){flags&=~512}if(flags&65536&&!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}if(!created){var errCode=FS.mayOpen(node,flags);if(errCode){throw new FS.ErrnoError(errCode)}}if(flags&512&&!created){FS.truncate(node,0)}flags&=~(128|512|131072);var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false});if(stream.stream_ops.open){stream.stream_ops.open(stream)}if(Module["logReadFiles"]&&!(flags&1)){if(!FS.readFiles)FS.readFiles={};if(!(path in FS.readFiles)){FS.readFiles[path]=1}}return stream},close:stream=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(stream.getdents)stream.getdents=null;try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}stream.fd=null},isClosed:stream=>{return stream.fd===null},llseek:(stream,offset,whence)=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(70)}if(whence!=0&&whence!=1&&whence!=2){throw new FS.ErrnoError(28)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position},read:(stream,buffer,offset,length,position)=>{if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.read){throw new FS.ErrnoError(28)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write:(stream,buffer,offset,length,position,canOwn)=>{if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.write){throw new FS.ErrnoError(28)}if(stream.seekable&&stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;return bytesWritten},allocate:(stream,offset,length)=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(offset<0||length<=0){throw new FS.ErrnoError(28)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(stream.node.mode)){throw new FS.ErrnoError(43)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(138)}stream.stream_ops.allocate(stream,offset,length)},mmap:(stream,length,position,prot,flags)=>{if((prot&2)!==0&&(flags&2)===0&&(stream.flags&2097155)!==2){throw new FS.ErrnoError(2)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(2)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(43)}return stream.stream_ops.mmap(stream,length,position,prot,flags)},msync:(stream,buffer,offset,length,mmapFlags)=>{if(!stream.stream_ops.msync){return 0}return stream.stream_ops.msync(stream,buffer,offset,length,mmapFlags)},munmap:stream=>0,ioctl:(stream,cmd,arg)=>{if(!stream.stream_ops.ioctl){throw new FS.ErrnoError(59)}return stream.stream_ops.ioctl(stream,cmd,arg)},readFile:(path,opts={})=>{opts.flags=opts.flags||0;opts.encoding=opts.encoding||"binary";if(opts.encoding!=="utf8"&&opts.encoding!=="binary"){throw new Error('Invalid encoding type "'+opts.encoding+'"')}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding==="utf8"){ret=UTF8ArrayToString(buf,0)}else if(opts.encoding==="binary"){ret=buf}FS.close(stream);return ret},writeFile:(path,data,opts={})=>{opts.flags=opts.flags||577;var stream=FS.open(path,opts.flags,opts.mode);if(typeof data=="string"){var buf=new Uint8Array(lengthBytesUTF8(data)+1);var actualNumBytes=stringToUTF8Array(data,buf,0,buf.length);FS.write(stream,buf,0,actualNumBytes,undefined,opts.canOwn)}else if(ArrayBuffer.isView(data)){FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn)}else{throw new Error("Unsupported data type")}FS.close(stream)},cwd:()=>FS.currentPath,chdir:path=>{var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories:()=>{FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")},createDefaultDevices:()=>{FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:()=>0,write:(stream,buffer,offset,length,pos)=>length});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));var random_device=getRandomDevice();FS.createDevice("/dev","random",random_device);FS.createDevice("/dev","urandom",random_device);FS.mkdir("/dev/shm");FS.mkdir("/dev/shm/tmp")},createSpecialDirectories:()=>{FS.mkdir("/proc");var proc_self=FS.mkdir("/proc/self");FS.mkdir("/proc/self/fd");FS.mount({mount:()=>{var node=FS.createNode(proc_self,"fd",16384|511,73);node.node_ops={lookup:(parent,name)=>{var fd=+name;var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);var ret={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>stream.path}};ret.parent=ret;return ret}};return node}},{},"/proc/self/fd")},createStandardStreams:()=>{if(Module["stdin"]){FS.createDevice("/dev","stdin",Module["stdin"])}else{FS.symlink("/dev/tty","/dev/stdin")}if(Module["stdout"]){FS.createDevice("/dev","stdout",null,Module["stdout"])}else{FS.symlink("/dev/tty","/dev/stdout")}if(Module["stderr"]){FS.createDevice("/dev","stderr",null,Module["stderr"])}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},ensureErrnoError:()=>{if(FS.ErrnoError)return;FS.ErrnoError=function ErrnoError(errno,node){this.node=node;this.setErrno=function(errno){this.errno=errno};this.setErrno(errno);this.message="FS error"};FS.ErrnoError.prototype=new Error;FS.ErrnoError.prototype.constructor=FS.ErrnoError;[44].forEach(code=>{FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack=""})},staticInit:()=>{FS.ensureErrnoError();FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={"MEMFS":MEMFS}},init:(input,output,error)=>{FS.init.initialized=true;FS.ensureErrnoError();Module["stdin"]=input||Module["stdin"];Module["stdout"]=output||Module["stdout"];Module["stderr"]=error||Module["stderr"];FS.createStandardStreams()},quit:()=>{FS.init.initialized=false;for(var i=0;i{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode},findObject:(path,dontResolveLastLink)=>{var ret=FS.analyzePath(path,dontResolveLastLink);if(!ret.exists){return null}return ret.object},analyzePath:(path,dontResolveLastLink)=>{try{var lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});path=lookup.path}catch(e){}var ret={isRoot:false,exists:false,error:0,name:null,path:null,object:null,parentExists:false,parentPath:null,parentObject:null};try{var lookup=FS.lookupPath(path,{parent:true});ret.parentExists=true;ret.parentPath=lookup.path;ret.parentObject=lookup.node;ret.name=PATH.basename(path);lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});ret.exists=true;ret.path=lookup.path;ret.object=lookup.node;ret.name=lookup.node.name;ret.isRoot=lookup.path==="/"}catch(e){ret.error=e.errno}return ret},createPath:(parent,path,canRead,canWrite)=>{parent=typeof parent=="string"?parent:FS.getPath(parent);var parts=path.split("/").reverse();while(parts.length){var part=parts.pop();if(!part)continue;var current=PATH.join2(parent,part);try{FS.mkdir(current)}catch(e){}parent=current}return current},createFile:(parent,name,properties,canRead,canWrite)=>{var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(canRead,canWrite);return FS.create(path,mode)},createDataFile:(parent,name,data,canRead,canWrite,canOwn)=>{var path=name;if(parent){parent=typeof parent=="string"?parent:FS.getPath(parent);path=name?PATH.join2(parent,name):parent}var mode=FS.getMode(canRead,canWrite);var node=FS.create(path,mode);if(data){if(typeof data=="string"){var arr=new Array(data.length);for(var i=0,len=data.length;i{var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(!!input,!!output);if(!FS.createDevice.major)FS.createDevice.major=64;var dev=FS.makedev(FS.createDevice.major++,0);FS.registerDevice(dev,{open:stream=>{stream.seekable=false},close:stream=>{if(output&&output.buffer&&output.buffer.length){output(10)}},read:(stream,buffer,offset,length,pos)=>{var bytesRead=0;for(var i=0;i{for(var i=0;i{if(obj.isDevice||obj.isFolder||obj.link||obj.contents)return true;if(typeof XMLHttpRequest!="undefined"){throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")}else if(read_){try{obj.contents=intArrayFromString(read_(obj.url),true);obj.usedBytes=obj.contents.length}catch(e){throw new FS.ErrnoError(29)}}else{throw new Error("Cannot load without read() or XMLHttpRequest.")}},createLazyFile:(parent,name,url,canRead,canWrite)=>{function LazyUint8Array(){this.lengthKnown=false;this.chunks=[]}LazyUint8Array.prototype.get=function LazyUint8Array_get(idx){if(idx>this.length-1||idx<0){return undefined}var chunkOffset=idx%this.chunkSize;var chunkNum=idx/this.chunkSize|0;return this.getter(chunkNum)[chunkOffset]};LazyUint8Array.prototype.setDataGetter=function LazyUint8Array_setDataGetter(getter){this.getter=getter};LazyUint8Array.prototype.cacheLength=function LazyUint8Array_cacheLength(){var xhr=new XMLHttpRequest;xhr.open("HEAD",url,false);xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);var datalength=Number(xhr.getResponseHeader("Content-length"));var header;var hasByteServing=(header=xhr.getResponseHeader("Accept-Ranges"))&&header==="bytes";var usesGzip=(header=xhr.getResponseHeader("Content-Encoding"))&&header==="gzip";var chunkSize=1024*1024;if(!hasByteServing)chunkSize=datalength;var doXHR=(from,to)=>{if(from>to)throw new Error("invalid range ("+from+", "+to+") or no bytes requested!");if(to>datalength-1)throw new Error("only "+datalength+" bytes available! programmer error!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("text/plain; charset=x-user-defined")}xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}return intArrayFromString(xhr.responseText||"",true)};var lazyArray=this;lazyArray.setDataGetter(chunkNum=>{var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]=="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]=="undefined")throw new Error("doXHR failed!");return lazyArray.chunks[chunkNum]});if(usesGzip||!datalength){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true};if(typeof XMLHttpRequest!="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;Object.defineProperties(lazyArray,{length:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._length}},chunkSize:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}});var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url:url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:function(){return this.contents.length}}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach(key=>{var fn=node.stream_ops[key];stream_ops[key]=function forceLoadLazyFile(){FS.forceLoadFile(node);return fn.apply(null,arguments)}});function writeChunks(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=contents.length)return 0;var size=Math.min(contents.length-position,length);if(contents.slice){for(var i=0;i{FS.forceLoadFile(node);return writeChunks(stream,buffer,offset,length,position)};stream_ops.mmap=(stream,length,position,prot,flags)=>{FS.forceLoadFile(node);var ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}writeChunks(stream,HEAP8,ptr,length,position);return{ptr:ptr,allocated:true}};node.stream_ops=stream_ops;return node},createPreloadedFile:(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency("cp "+fullname);function processData(byteArray){function finish(byteArray){if(preFinish)preFinish();if(!dontCreateFile){FS.createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}if(onload)onload();removeRunDependency(dep)}if(Browser.handledByPreloadPlugin(byteArray,fullname,finish,()=>{if(onerror)onerror();removeRunDependency(dep)})){return}finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){asyncLoad(url,byteArray=>processData(byteArray),onerror)}else{processData(url)}},indexedDB:()=>{return window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB},DB_NAME:()=>{return"EM_FS_"+window.location.pathname},DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths,onload,onerror)=>{onload=onload||(()=>{});onerror=onerror||(()=>{});var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=()=>{out("creating db");var db=openRequest.result;db.createObjectStore(FS.DB_STORE_NAME)};openRequest.onsuccess=()=>{var db=openRequest.result;var transaction=db.transaction([FS.DB_STORE_NAME],"readwrite");var files=transaction.objectStore(FS.DB_STORE_NAME);var ok=0,fail=0,total=paths.length;function finish(){if(fail==0)onload();else onerror()}paths.forEach(path=>{var putRequest=files.put(FS.analyzePath(path).object.contents,path);putRequest.onsuccess=()=>{ok++;if(ok+fail==total)finish()};putRequest.onerror=()=>{fail++;if(ok+fail==total)finish()}});transaction.onerror=onerror};openRequest.onerror=onerror},loadFilesFromDB:(paths,onload,onerror)=>{onload=onload||(()=>{});onerror=onerror||(()=>{});var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=onerror;openRequest.onsuccess=()=>{var db=openRequest.result;try{var transaction=db.transaction([FS.DB_STORE_NAME],"readonly")}catch(e){onerror(e);return}var files=transaction.objectStore(FS.DB_STORE_NAME);var ok=0,fail=0,total=paths.length;function finish(){if(fail==0)onload();else onerror()}paths.forEach(path=>{var getRequest=files.get(path);getRequest.onsuccess=()=>{if(FS.analyzePath(path).exists){FS.unlink(path)}FS.createDataFile(PATH.dirname(path),PATH.basename(path),getRequest.result,true,true,true);ok++;if(ok+fail==total)finish()};getRequest.onerror=()=>{fail++;if(ok+fail==total)finish()}});transaction.onerror=onerror};openRequest.onerror=onerror}};var SOCKFS={mount:function(mount){Module["websocket"]=Module["websocket"]&&"object"===typeof Module["websocket"]?Module["websocket"]:{};Module["websocket"]._callbacks={};Module["websocket"]["on"]=function(event,callback){if("function"===typeof callback){this._callbacks[event]=callback}return this};Module["websocket"].emit=function(event,param){if("function"===typeof this._callbacks[event]){this._callbacks[event].call(this,param)}};return FS.createNode(null,"/",16384|511,0)},createSocket:function(family,type,protocol){type&=~526336;var streaming=type==1;if(streaming&&protocol&&protocol!=6){throw new FS.ErrnoError(66)}var sock={family:family,type:type,protocol:protocol,server:null,error:null,peers:{},pending:[],recv_queue:[],sock_ops:SOCKFS.websocket_sock_ops};var name=SOCKFS.nextname();var node=FS.createNode(SOCKFS.root,name,49152,0);node.sock=sock;var stream=FS.createStream({path:name,node:node,flags:2,seekable:false,stream_ops:SOCKFS.stream_ops});sock.stream=stream;return sock},getSocket:function(fd){var stream=FS.getStream(fd);if(!stream||!FS.isSocket(stream.node.mode)){return null}return stream.node.sock},stream_ops:{poll:function(stream){var sock=stream.node.sock;return sock.sock_ops.poll(sock)},ioctl:function(stream,request,varargs){var sock=stream.node.sock;return sock.sock_ops.ioctl(sock,request,varargs)},read:function(stream,buffer,offset,length,position){var sock=stream.node.sock;var msg=sock.sock_ops.recvmsg(sock,length);if(!msg){return 0}buffer.set(msg.buffer,offset);return msg.buffer.length},write:function(stream,buffer,offset,length,position){var sock=stream.node.sock;return sock.sock_ops.sendmsg(sock,buffer,offset,length)},close:function(stream){var sock=stream.node.sock;sock.sock_ops.close(sock)}},nextname:function(){if(!SOCKFS.nextname.current){SOCKFS.nextname.current=0}return"socket["+SOCKFS.nextname.current+++"]"},websocket_sock_ops:{createPeer:function(sock,addr,port){var ws;if(typeof addr=="object"){ws=addr;addr=null;port=null}if(ws){if(ws._socket){addr=ws._socket.remoteAddress;port=ws._socket.remotePort}else{var result=/ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);if(!result){throw new Error("WebSocket URL must be in the format ws(s)://address:port")}addr=result[1];port=parseInt(result[2],10)}}else{try{var runtimeConfig=Module["websocket"]&&"object"===typeof Module["websocket"];var url="ws:#".replace("#","//");if(runtimeConfig){if("string"===typeof Module["websocket"]["url"]){url=Module["websocket"]["url"]}}if(url==="ws://"||url==="wss://"){var parts=addr.split("/");url=url+parts[0]+":"+port+"/"+parts.slice(1).join("/")}var subProtocols="binary";if(runtimeConfig){if("string"===typeof Module["websocket"]["subprotocol"]){subProtocols=Module["websocket"]["subprotocol"]}}var opts=undefined;if(subProtocols!=="null"){subProtocols=subProtocols.replace(/^ +| +$/g,"").split(/ *, */);opts=subProtocols}if(runtimeConfig&&null===Module["websocket"]["subprotocol"]){subProtocols="null";opts=undefined}var WebSocketConstructor;if(ENVIRONMENT_IS_NODE){WebSocketConstructor=require("ws")}else{WebSocketConstructor=WebSocket}ws=new WebSocketConstructor(url,opts);ws.binaryType="arraybuffer"}catch(e){throw new FS.ErrnoError(23)}}var peer={addr:addr,port:port,socket:ws,dgram_send_queue:[]};SOCKFS.websocket_sock_ops.addPeer(sock,peer);SOCKFS.websocket_sock_ops.handlePeerEvents(sock,peer);if(sock.type===2&&typeof sock.sport!="undefined"){peer.dgram_send_queue.push(new Uint8Array([255,255,255,255,"p".charCodeAt(0),"o".charCodeAt(0),"r".charCodeAt(0),"t".charCodeAt(0),(sock.sport&65280)>>8,sock.sport&255]))}return peer},getPeer:function(sock,addr,port){return sock.peers[addr+":"+port]},addPeer:function(sock,peer){sock.peers[peer.addr+":"+peer.port]=peer},removePeer:function(sock,peer){delete sock.peers[peer.addr+":"+peer.port]},handlePeerEvents:function(sock,peer){var first=true;var handleOpen=function(){Module["websocket"].emit("open",sock.stream.fd);try{var queued=peer.dgram_send_queue.shift();while(queued){peer.socket.send(queued);queued=peer.dgram_send_queue.shift()}}catch(e){peer.socket.close()}};function handleMessage(data){if(typeof data=="string"){var encoder=new TextEncoder;data=encoder.encode(data)}else{assert(data.byteLength!==undefined);if(data.byteLength==0){return}data=new Uint8Array(data)}var wasfirst=first;first=false;if(wasfirst&&data.length===10&&data[0]===255&&data[1]===255&&data[2]===255&&data[3]===255&&data[4]==="p".charCodeAt(0)&&data[5]==="o".charCodeAt(0)&&data[6]==="r".charCodeAt(0)&&data[7]==="t".charCodeAt(0)){var newport=data[8]<<8|data[9];SOCKFS.websocket_sock_ops.removePeer(sock,peer);peer.port=newport;SOCKFS.websocket_sock_ops.addPeer(sock,peer);return}sock.recv_queue.push({addr:peer.addr,port:peer.port,data:data});Module["websocket"].emit("message",sock.stream.fd)}if(ENVIRONMENT_IS_NODE){peer.socket.on("open",handleOpen);peer.socket.on("message",function(data,isBinary){if(!isBinary){return}handleMessage(new Uint8Array(data).buffer)});peer.socket.on("close",function(){Module["websocket"].emit("close",sock.stream.fd)});peer.socket.on("error",function(error){sock.error=14;Module["websocket"].emit("error",[sock.stream.fd,sock.error,"ECONNREFUSED: Connection refused"])})}else{peer.socket.onopen=handleOpen;peer.socket.onclose=function(){Module["websocket"].emit("close",sock.stream.fd)};peer.socket.onmessage=function peer_socket_onmessage(event){handleMessage(event.data)};peer.socket.onerror=function(error){sock.error=14;Module["websocket"].emit("error",[sock.stream.fd,sock.error,"ECONNREFUSED: Connection refused"])}}},poll:function(sock){if(sock.type===1&&sock.server){return sock.pending.length?64|1:0}var mask=0;var dest=sock.type===1?SOCKFS.websocket_sock_ops.getPeer(sock,sock.daddr,sock.dport):null;if(sock.recv_queue.length||!dest||dest&&dest.socket.readyState===dest.socket.CLOSING||dest&&dest.socket.readyState===dest.socket.CLOSED){mask|=64|1}if(!dest||dest&&dest.socket.readyState===dest.socket.OPEN){mask|=4}if(dest&&dest.socket.readyState===dest.socket.CLOSING||dest&&dest.socket.readyState===dest.socket.CLOSED){mask|=16}return mask},ioctl:function(sock,request,arg){switch(request){case 21531:var bytes=0;if(sock.recv_queue.length){bytes=sock.recv_queue[0].data.length}HEAP32[arg>>2]=bytes;return 0;default:return 28}},close:function(sock){if(sock.server){try{sock.server.close()}catch(e){}sock.server=null}var peers=Object.keys(sock.peers);for(var i=0;i>2]=value;return value}function inetNtop4(addr){return(addr&255)+"."+(addr>>8&255)+"."+(addr>>16&255)+"."+(addr>>24&255)}function inetNtop6(ints){var str="";var word=0;var longest=0;var lastzero=0;var zstart=0;var len=0;var i=0;var parts=[ints[0]&65535,ints[0]>>16,ints[1]&65535,ints[1]>>16,ints[2]&65535,ints[2]>>16,ints[3]&65535,ints[3]>>16];var hasipv4=true;var v4part="";for(i=0;i<5;i++){if(parts[i]!==0){hasipv4=false;break}}if(hasipv4){v4part=inetNtop4(parts[6]|parts[7]<<16);if(parts[5]===-1){str="::ffff:";str+=v4part;return str}if(parts[5]===0){str="::";if(v4part==="0.0.0.0")v4part="";if(v4part==="0.0.0.1")v4part="1";str+=v4part;return str}}for(word=0;word<8;word++){if(parts[word]===0){if(word-lastzero>1){len=0}lastzero=word;len++}if(len>longest){longest=len;zstart=word-longest+1}}for(word=0;word<8;word++){if(longest>1){if(parts[word]===0&&word>=zstart&&word>1];var port=_ntohs(HEAPU16[sa+2>>1]);var addr;switch(family){case 2:if(salen!==16){return{errno:28}}addr=HEAP32[sa+4>>2];addr=inetNtop4(addr);break;case 10:if(salen!==28){return{errno:28}}addr=[HEAP32[sa+8>>2],HEAP32[sa+12>>2],HEAP32[sa+16>>2],HEAP32[sa+20>>2]];addr=inetNtop6(addr);break;default:return{errno:5}}return{family:family,addr:addr,port:port}}function inetPton4(str){var b=str.split(".");for(var i=0;i<4;i++){var tmp=Number(b[i]);if(isNaN(tmp))return null;b[i]=tmp}return(b[0]|b[1]<<8|b[2]<<16|b[3]<<24)>>>0}function jstoi_q(str){return parseInt(str)}function inetPton6(str){var words;var w,offset,z;var valid6regx=/^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;var parts=[];if(!valid6regx.test(str)){return null}if(str==="::"){return[0,0,0,0,0,0,0,0]}if(str.startsWith("::")){str=str.replace("::","Z:")}else{str=str.replace("::",":Z:")}if(str.indexOf(".")>0){str=str.replace(new RegExp("[.]","g"),":");words=str.split(":");words[words.length-4]=jstoi_q(words[words.length-4])+jstoi_q(words[words.length-3])*256;words[words.length-3]=jstoi_q(words[words.length-2])+jstoi_q(words[words.length-1])*256;words=words.slice(0,words.length-2)}else{words=str.split(":")}offset=0;z=0;for(w=0;w>2]=stat.dev;HEAP32[buf+8>>2]=stat.ino;HEAP32[buf+12>>2]=stat.mode;HEAPU32[buf+16>>2]=stat.nlink;HEAP32[buf+20>>2]=stat.uid;HEAP32[buf+24>>2]=stat.gid;HEAP32[buf+28>>2]=stat.rdev;tempI64=[stat.size>>>0,(tempDouble=stat.size,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+40>>2]=tempI64[0],HEAP32[buf+44>>2]=tempI64[1];HEAP32[buf+48>>2]=4096;HEAP32[buf+52>>2]=stat.blocks;var atime=stat.atime.getTime();var mtime=stat.mtime.getTime();var ctime=stat.ctime.getTime();tempI64=[Math.floor(atime/1e3)>>>0,(tempDouble=Math.floor(atime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+56>>2]=tempI64[0],HEAP32[buf+60>>2]=tempI64[1];HEAPU32[buf+64>>2]=atime%1e3*1e3;tempI64=[Math.floor(mtime/1e3)>>>0,(tempDouble=Math.floor(mtime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+72>>2]=tempI64[0],HEAP32[buf+76>>2]=tempI64[1];HEAPU32[buf+80>>2]=mtime%1e3*1e3;tempI64=[Math.floor(ctime/1e3)>>>0,(tempDouble=Math.floor(ctime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+88>>2]=tempI64[0],HEAP32[buf+92>>2]=tempI64[1];HEAPU32[buf+96>>2]=ctime%1e3*1e3;tempI64=[stat.ino>>>0,(tempDouble=stat.ino,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+104>>2]=tempI64[0],HEAP32[buf+108>>2]=tempI64[1];return 0},doMsync:function(addr,stream,len,flags,offset){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}if(flags&2){return 0}var buffer=HEAPU8.slice(addr,addr+len);FS.msync(stream,buffer,offset,len,flags)},varargs:undefined,get:function(){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret},getStr:function(ptr){var ret=UTF8ToString(ptr);return ret},getStreamFromFD:function(fd){var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);return stream}};function ___syscall_connect(fd,addr,addrlen){try{var sock=getSocketFromFD(fd);var info=getSocketAddress(addr,addrlen);sock.sock_ops.connect(sock,info.addr,info.port);return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_faccessat(dirfd,path,amode,flags){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);if(amode&~7){return-28}var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node){return-44}var perms="";if(amode&4)perms+="r";if(amode&2)perms+="w";if(amode&1)perms+="x";if(perms&&FS.nodePermissions(node,perms)){return-2}return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_fcntl64(fd,cmd,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(cmd){case 0:{var arg=SYSCALLS.get();if(arg<0){return-28}var newStream;newStream=FS.createStream(stream,arg);return newStream.fd}case 1:case 2:return 0;case 3:return stream.flags;case 4:{var arg=SYSCALLS.get();stream.flags|=arg;return 0}case 5:{var arg=SYSCALLS.get();var offset=0;HEAP16[arg+offset>>1]=2;return 0}case 6:case 7:return 0;case 16:case 8:return-28;case 9:setErrNo(28);return-1;default:{return-28}}}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_fstat64(fd,buf){try{var stream=SYSCALLS.getStreamFromFD(fd);return SYSCALLS.doStat(FS.stat,stream.path,buf)}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function convertI32PairToI53Checked(lo,hi){return hi+2097152>>>0<4194305-!!lo?(lo>>>0)+hi*4294967296:NaN}function ___syscall_ftruncate64(fd,length_low,length_high){try{var length=convertI32PairToI53Checked(length_low,length_high);if(isNaN(length))return-61;FS.ftruncate(fd,length);return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_ioctl(fd,op,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(op){case 21509:case 21505:{if(!stream.tty)return-59;return 0}case 21510:case 21511:case 21512:case 21506:case 21507:case 21508:{if(!stream.tty)return-59;return 0}case 21519:{if(!stream.tty)return-59;var argp=SYSCALLS.get();HEAP32[argp>>2]=0;return 0}case 21520:{if(!stream.tty)return-59;return-28}case 21531:{var argp=SYSCALLS.get();return FS.ioctl(stream,op,argp)}case 21523:{if(!stream.tty)return-59;return 0}case 21524:{if(!stream.tty)return-59;return 0}default:return-28}}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_lstat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.doStat(FS.lstat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_newfstatat(dirfd,path,buf,flags){try{path=SYSCALLS.getStr(path);var nofollow=flags&256;var allowEmpty=flags&4096;flags=flags&~6400;path=SYSCALLS.calculateAt(dirfd,path,allowEmpty);return SYSCALLS.doStat(nofollow?FS.lstat:FS.stat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_openat(dirfd,path,flags,varargs){SYSCALLS.varargs=varargs;try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);var mode=varargs?SYSCALLS.get():0;return FS.open(path,flags,mode).fd}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_socket(domain,type,protocol){try{var sock=SOCKFS.createSocket(domain,type,protocol);return sock.stream.fd}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_stat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.doStat(FS.stat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}var tupleRegistrations={};function runDestructors(destructors){while(destructors.length){var ptr=destructors.pop();var del=destructors.pop();del(ptr)}}function simpleReadValueFromPointer(pointer){return this["fromWireType"](HEAP32[pointer>>2])}var awaitingDependencies={};var registeredTypes={};var typeDependencies={};var char_0=48;var char_9=57;function makeLegalFunctionName(name){if(undefined===name){return"_unknown"}name=name.replace(/[^a-zA-Z0-9_]/g,"$");var f=name.charCodeAt(0);if(f>=char_0&&f<=char_9){return"_"+name}return name}function createNamedFunction(name,body){name=makeLegalFunctionName(name);return new Function("body","return function "+name+"() {\n"+' "use strict";'+" return body.apply(this, arguments);\n"+"};\n")(body)}function extendError(baseErrorType,errorName){var errorClass=createNamedFunction(errorName,function(message){this.name=errorName;this.message=message;var stack=new Error(message).stack;if(stack!==undefined){this.stack=this.toString()+"\n"+stack.replace(/^Error(:[^\n]*)?\n/,"")}});errorClass.prototype=Object.create(baseErrorType.prototype);errorClass.prototype.constructor=errorClass;errorClass.prototype.toString=function(){if(this.message===undefined){return this.name}else{return this.name+": "+this.message}};return errorClass}var InternalError=undefined;function throwInternalError(message){throw new InternalError(message)}function whenDependentTypesAreResolved(myTypes,dependentTypes,getTypeConverters){myTypes.forEach(function(type){typeDependencies[type]=dependentTypes});function onComplete(typeConverters){var myTypeConverters=getTypeConverters(typeConverters);if(myTypeConverters.length!==myTypes.length){throwInternalError("Mismatched type converter count")}for(var i=0;i{if(registeredTypes.hasOwnProperty(dt)){typeConverters[i]=registeredTypes[dt]}else{unregisteredTypes.push(dt);if(!awaitingDependencies.hasOwnProperty(dt)){awaitingDependencies[dt]=[]}awaitingDependencies[dt].push(()=>{typeConverters[i]=registeredTypes[dt];++registered;if(registered===unregisteredTypes.length){onComplete(typeConverters)}})}});if(0===unregisteredTypes.length){onComplete(typeConverters)}}function __embind_finalize_value_array(rawTupleType){var reg=tupleRegistrations[rawTupleType];delete tupleRegistrations[rawTupleType];var elements=reg.elements;var elementsLength=elements.length;var elementTypes=elements.map(function(elt){return elt.getterReturnType}).concat(elements.map(function(elt){return elt.setterArgumentType}));var rawConstructor=reg.rawConstructor;var rawDestructor=reg.rawDestructor;whenDependentTypesAreResolved([rawTupleType],elementTypes,function(elementTypes){elements.forEach((elt,i)=>{var getterReturnType=elementTypes[i];var getter=elt.getter;var getterContext=elt.getterContext;var setterArgumentType=elementTypes[i+elementsLength];var setter=elt.setter;var setterContext=elt.setterContext;elt.read=ptr=>{return getterReturnType["fromWireType"](getter(getterContext,ptr))};elt.write=(ptr,o)=>{var destructors=[];setter(setterContext,ptr,setterArgumentType["toWireType"](destructors,o));runDestructors(destructors)}});return[{name:reg.name,"fromWireType":function(ptr){var rv=new Array(elementsLength);for(var i=0;ifield.getterReturnType).concat(fieldRecords.map(field=>field.setterArgumentType));whenDependentTypesAreResolved([structType],fieldTypes,fieldTypes=>{var fields={};fieldRecords.forEach((field,i)=>{var fieldName=field.fieldName;var getterReturnType=fieldTypes[i];var getter=field.getter;var getterContext=field.getterContext;var setterArgumentType=fieldTypes[i+fieldRecords.length];var setter=field.setter;var setterContext=field.setterContext;fields[fieldName]={read:ptr=>{return getterReturnType["fromWireType"](getter(getterContext,ptr))},write:(ptr,o)=>{var destructors=[];setter(setterContext,ptr,setterArgumentType["toWireType"](destructors,o));runDestructors(destructors)}}});return[{name:reg.name,"fromWireType":function(ptr){var rv={};for(var i in fields){rv[i]=fields[i].read(ptr)}rawDestructor(ptr);return rv},"toWireType":function(destructors,o){for(var fieldName in fields){if(!(fieldName in o)){throw new TypeError('Missing field: "'+fieldName+'"')}}var ptr=rawConstructor();for(fieldName in fields){fields[fieldName].write(ptr,o[fieldName])}if(destructors!==null){destructors.push(rawDestructor,ptr)}return ptr},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:rawDestructor}]})}function __embind_register_bigint(primitiveType,name,size,minRange,maxRange){}function getShiftFromSize(size){switch(size){case 1:return 0;case 2:return 1;case 4:return 2;case 8:return 3;default:throw new TypeError("Unknown type size: "+size)}}function embind_init_charCodes(){var codes=new Array(256);for(var i=0;i<256;++i){codes[i]=String.fromCharCode(i)}embind_charCodes=codes}var embind_charCodes=undefined;function readLatin1String(ptr){var ret="";var c=ptr;while(HEAPU8[c]){ret+=embind_charCodes[HEAPU8[c++]]}return ret}var BindingError=undefined;function throwBindingError(message){throw new BindingError(message)}function registerType(rawType,registeredInstance,options={}){if(!("argPackAdvance"in registeredInstance)){throw new TypeError("registerType registeredInstance requires argPackAdvance")}var name=registeredInstance.name;if(!rawType){throwBindingError('type "'+name+'" must have a positive integer typeid pointer')}if(registeredTypes.hasOwnProperty(rawType)){if(options.ignoreDuplicateRegistrations){return}else{throwBindingError("Cannot register type '"+name+"' twice")}}registeredTypes[rawType]=registeredInstance;delete typeDependencies[rawType];if(awaitingDependencies.hasOwnProperty(rawType)){var callbacks=awaitingDependencies[rawType];delete awaitingDependencies[rawType];callbacks.forEach(cb=>cb())}}function __embind_register_bool(rawType,name,size,trueValue,falseValue){var shift=getShiftFromSize(size);name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(wt){return!!wt},"toWireType":function(destructors,o){return o?trueValue:falseValue},"argPackAdvance":8,"readValueFromPointer":function(pointer){var heap;if(size===1){heap=HEAP8}else if(size===2){heap=HEAP16}else if(size===4){heap=HEAP32}else{throw new TypeError("Unknown boolean type size: "+name)}return this["fromWireType"](heap[pointer>>shift])},destructorFunction:null})}function ClassHandle_isAliasOf(other){if(!(this instanceof ClassHandle)){return false}if(!(other instanceof ClassHandle)){return false}var leftClass=this.$$.ptrType.registeredClass;var left=this.$$.ptr;var rightClass=other.$$.ptrType.registeredClass;var right=other.$$.ptr;while(leftClass.baseClass){left=leftClass.upcast(left);leftClass=leftClass.baseClass}while(rightClass.baseClass){right=rightClass.upcast(right);rightClass=rightClass.baseClass}return leftClass===rightClass&&left===right}function shallowCopyInternalPointer(o){return{count:o.count,deleteScheduled:o.deleteScheduled,preservePointerOnDelete:o.preservePointerOnDelete,ptr:o.ptr,ptrType:o.ptrType,smartPtr:o.smartPtr,smartPtrType:o.smartPtrType}}function throwInstanceAlreadyDeleted(obj){function getInstanceTypeName(handle){return handle.$$.ptrType.registeredClass.name}throwBindingError(getInstanceTypeName(obj)+" instance already deleted")}var finalizationRegistry=false;function detachFinalizer(handle){}function runDestructor($$){if($$.smartPtr){$$.smartPtrType.rawDestructor($$.smartPtr)}else{$$.ptrType.registeredClass.rawDestructor($$.ptr)}}function releaseClassHandle($$){$$.count.value-=1;var toDelete=0===$$.count.value;if(toDelete){runDestructor($$)}}function downcastPointer(ptr,ptrClass,desiredClass){if(ptrClass===desiredClass){return ptr}if(undefined===desiredClass.baseClass){return null}var rv=downcastPointer(ptr,ptrClass,desiredClass.baseClass);if(rv===null){return null}return desiredClass.downcast(rv)}var registeredPointers={};function getInheritedInstanceCount(){return Object.keys(registeredInstances).length}function getLiveInheritedInstances(){var rv=[];for(var k in registeredInstances){if(registeredInstances.hasOwnProperty(k)){rv.push(registeredInstances[k])}}return rv}var deletionQueue=[];function flushPendingDeletes(){while(deletionQueue.length){var obj=deletionQueue.pop();obj.$$.deleteScheduled=false;obj["delete"]()}}var delayFunction=undefined;function setDelayFunction(fn){delayFunction=fn;if(deletionQueue.length&&delayFunction){delayFunction(flushPendingDeletes)}}function init_embind(){Module["getInheritedInstanceCount"]=getInheritedInstanceCount;Module["getLiveInheritedInstances"]=getLiveInheritedInstances;Module["flushPendingDeletes"]=flushPendingDeletes;Module["setDelayFunction"]=setDelayFunction}var registeredInstances={};function getBasestPointer(class_,ptr){if(ptr===undefined){throwBindingError("ptr should not be undefined")}while(class_.baseClass){ptr=class_.upcast(ptr);class_=class_.baseClass}return ptr}function getInheritedInstance(class_,ptr){ptr=getBasestPointer(class_,ptr);return registeredInstances[ptr]}function makeClassHandle(prototype,record){if(!record.ptrType||!record.ptr){throwInternalError("makeClassHandle requires ptr and ptrType")}var hasSmartPtrType=!!record.smartPtrType;var hasSmartPtr=!!record.smartPtr;if(hasSmartPtrType!==hasSmartPtr){throwInternalError("Both smartPtrType and smartPtr must be specified")}record.count={value:1};return attachFinalizer(Object.create(prototype,{$$:{value:record}}))}function RegisteredPointer_fromWireType(ptr){var rawPointer=this.getPointee(ptr);if(!rawPointer){this.destructor(ptr);return null}var registeredInstance=getInheritedInstance(this.registeredClass,rawPointer);if(undefined!==registeredInstance){if(0===registeredInstance.$$.count.value){registeredInstance.$$.ptr=rawPointer;registeredInstance.$$.smartPtr=ptr;return registeredInstance["clone"]()}else{var rv=registeredInstance["clone"]();this.destructor(ptr);return rv}}function makeDefaultHandle(){if(this.isSmartPointer){return makeClassHandle(this.registeredClass.instancePrototype,{ptrType:this.pointeeType,ptr:rawPointer,smartPtrType:this,smartPtr:ptr})}else{return makeClassHandle(this.registeredClass.instancePrototype,{ptrType:this,ptr:ptr})}}var actualType=this.registeredClass.getActualType(rawPointer);var registeredPointerRecord=registeredPointers[actualType];if(!registeredPointerRecord){return makeDefaultHandle.call(this)}var toType;if(this.isConst){toType=registeredPointerRecord.constPointerType}else{toType=registeredPointerRecord.pointerType}var dp=downcastPointer(rawPointer,this.registeredClass,toType.registeredClass);if(dp===null){return makeDefaultHandle.call(this)}if(this.isSmartPointer){return makeClassHandle(toType.registeredClass.instancePrototype,{ptrType:toType,ptr:dp,smartPtrType:this,smartPtr:ptr})}else{return makeClassHandle(toType.registeredClass.instancePrototype,{ptrType:toType,ptr:dp})}}function attachFinalizer(handle){if("undefined"===typeof FinalizationRegistry){attachFinalizer=handle=>handle;return handle}finalizationRegistry=new FinalizationRegistry(info=>{releaseClassHandle(info.$$)});attachFinalizer=handle=>{var $$=handle.$$;var hasSmartPtr=!!$$.smartPtr;if(hasSmartPtr){var info={$$:$$};finalizationRegistry.register(handle,info,handle)}return handle};detachFinalizer=handle=>finalizationRegistry.unregister(handle);return attachFinalizer(handle)}function ClassHandle_clone(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.preservePointerOnDelete){this.$$.count.value+=1;return this}else{var clone=attachFinalizer(Object.create(Object.getPrototypeOf(this),{$$:{value:shallowCopyInternalPointer(this.$$)}}));clone.$$.count.value+=1;clone.$$.deleteScheduled=false;return clone}}function ClassHandle_delete(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.deleteScheduled&&!this.$$.preservePointerOnDelete){throwBindingError("Object already scheduled for deletion")}detachFinalizer(this);releaseClassHandle(this.$$);if(!this.$$.preservePointerOnDelete){this.$$.smartPtr=undefined;this.$$.ptr=undefined}}function ClassHandle_isDeleted(){return!this.$$.ptr}function ClassHandle_deleteLater(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.deleteScheduled&&!this.$$.preservePointerOnDelete){throwBindingError("Object already scheduled for deletion")}deletionQueue.push(this);if(deletionQueue.length===1&&delayFunction){delayFunction(flushPendingDeletes)}this.$$.deleteScheduled=true;return this}function init_ClassHandle(){ClassHandle.prototype["isAliasOf"]=ClassHandle_isAliasOf;ClassHandle.prototype["clone"]=ClassHandle_clone;ClassHandle.prototype["delete"]=ClassHandle_delete;ClassHandle.prototype["isDeleted"]=ClassHandle_isDeleted;ClassHandle.prototype["deleteLater"]=ClassHandle_deleteLater}function ClassHandle(){}function ensureOverloadTable(proto,methodName,humanName){if(undefined===proto[methodName].overloadTable){var prevFunc=proto[methodName];proto[methodName]=function(){if(!proto[methodName].overloadTable.hasOwnProperty(arguments.length)){throwBindingError("Function '"+humanName+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+proto[methodName].overloadTable+")!")}return proto[methodName].overloadTable[arguments.length].apply(this,arguments)};proto[methodName].overloadTable=[];proto[methodName].overloadTable[prevFunc.argCount]=prevFunc}}function exposePublicSymbol(name,value,numArguments){if(Module.hasOwnProperty(name)){if(undefined===numArguments||undefined!==Module[name].overloadTable&&undefined!==Module[name].overloadTable[numArguments]){throwBindingError("Cannot register public name '"+name+"' twice")}ensureOverloadTable(Module,name,name);if(Module.hasOwnProperty(numArguments)){throwBindingError("Cannot register multiple overloads of a function with the same number of arguments ("+numArguments+")!")}Module[name].overloadTable[numArguments]=value}else{Module[name]=value;if(undefined!==numArguments){Module[name].numArguments=numArguments}}}function RegisteredClass(name,constructor,instancePrototype,rawDestructor,baseClass,getActualType,upcast,downcast){this.name=name;this.constructor=constructor;this.instancePrototype=instancePrototype;this.rawDestructor=rawDestructor;this.baseClass=baseClass;this.getActualType=getActualType;this.upcast=upcast;this.downcast=downcast;this.pureVirtualFunctions=[]}function upcastPointer(ptr,ptrClass,desiredClass){while(ptrClass!==desiredClass){if(!ptrClass.upcast){throwBindingError("Expected null or instance of "+desiredClass.name+", got an instance of "+ptrClass.name)}ptr=ptrClass.upcast(ptr);ptrClass=ptrClass.baseClass}return ptr}function constNoSmartPtrRawPointerToWireType(destructors,handle){if(handle===null){if(this.isReference){throwBindingError("null is not a valid "+this.name)}return 0}if(!handle.$$){throwBindingError('Cannot pass "'+embindRepr(handle)+'" as a '+this.name)}if(!handle.$$.ptr){throwBindingError("Cannot pass deleted object as a pointer of type "+this.name)}var handleClass=handle.$$.ptrType.registeredClass;var ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);return ptr}function genericPointerToWireType(destructors,handle){var ptr;if(handle===null){if(this.isReference){throwBindingError("null is not a valid "+this.name)}if(this.isSmartPointer){ptr=this.rawConstructor();if(destructors!==null){destructors.push(this.rawDestructor,ptr)}return ptr}else{return 0}}if(!handle.$$){throwBindingError('Cannot pass "'+embindRepr(handle)+'" as a '+this.name)}if(!handle.$$.ptr){throwBindingError("Cannot pass deleted object as a pointer of type "+this.name)}if(!this.isConst&&handle.$$.ptrType.isConst){throwBindingError("Cannot convert argument of type "+(handle.$$.smartPtrType?handle.$$.smartPtrType.name:handle.$$.ptrType.name)+" to parameter type "+this.name)}var handleClass=handle.$$.ptrType.registeredClass;ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);if(this.isSmartPointer){if(undefined===handle.$$.smartPtr){throwBindingError("Passing raw pointer to smart pointer is illegal")}switch(this.sharingPolicy){case 0:if(handle.$$.smartPtrType===this){ptr=handle.$$.smartPtr}else{throwBindingError("Cannot convert argument of type "+(handle.$$.smartPtrType?handle.$$.smartPtrType.name:handle.$$.ptrType.name)+" to parameter type "+this.name)}break;case 1:ptr=handle.$$.smartPtr;break;case 2:if(handle.$$.smartPtrType===this){ptr=handle.$$.smartPtr}else{var clonedHandle=handle["clone"]();ptr=this.rawShare(ptr,Emval.toHandle(function(){clonedHandle["delete"]()}));if(destructors!==null){destructors.push(this.rawDestructor,ptr)}}break;default:throwBindingError("Unsupporting sharing policy")}}return ptr}function nonConstNoSmartPtrRawPointerToWireType(destructors,handle){if(handle===null){if(this.isReference){throwBindingError("null is not a valid "+this.name)}return 0}if(!handle.$$){throwBindingError('Cannot pass "'+embindRepr(handle)+'" as a '+this.name)}if(!handle.$$.ptr){throwBindingError("Cannot pass deleted object as a pointer of type "+this.name)}if(handle.$$.ptrType.isConst){throwBindingError("Cannot convert argument of type "+handle.$$.ptrType.name+" to parameter type "+this.name)}var handleClass=handle.$$.ptrType.registeredClass;var ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);return ptr}function RegisteredPointer_getPointee(ptr){if(this.rawGetPointee){ptr=this.rawGetPointee(ptr)}return ptr}function RegisteredPointer_destructor(ptr){if(this.rawDestructor){this.rawDestructor(ptr)}}function RegisteredPointer_deleteObject(handle){if(handle!==null){handle["delete"]()}}function init_RegisteredPointer(){RegisteredPointer.prototype.getPointee=RegisteredPointer_getPointee;RegisteredPointer.prototype.destructor=RegisteredPointer_destructor;RegisteredPointer.prototype["argPackAdvance"]=8;RegisteredPointer.prototype["readValueFromPointer"]=simpleReadValueFromPointer;RegisteredPointer.prototype["deleteObject"]=RegisteredPointer_deleteObject;RegisteredPointer.prototype["fromWireType"]=RegisteredPointer_fromWireType}function RegisteredPointer(name,registeredClass,isReference,isConst,isSmartPointer,pointeeType,sharingPolicy,rawGetPointee,rawConstructor,rawShare,rawDestructor){this.name=name;this.registeredClass=registeredClass;this.isReference=isReference;this.isConst=isConst;this.isSmartPointer=isSmartPointer;this.pointeeType=pointeeType;this.sharingPolicy=sharingPolicy;this.rawGetPointee=rawGetPointee;this.rawConstructor=rawConstructor;this.rawShare=rawShare;this.rawDestructor=rawDestructor;if(!isSmartPointer&®isteredClass.baseClass===undefined){if(isConst){this["toWireType"]=constNoSmartPtrRawPointerToWireType;this.destructorFunction=null}else{this["toWireType"]=nonConstNoSmartPtrRawPointerToWireType;this.destructorFunction=null}}else{this["toWireType"]=genericPointerToWireType}}function replacePublicSymbol(name,value,numArguments){if(!Module.hasOwnProperty(name)){throwInternalError("Replacing nonexistant public symbol")}if(undefined!==Module[name].overloadTable&&undefined!==numArguments){Module[name].overloadTable[numArguments]=value}else{Module[name]=value;Module[name].argCount=numArguments}}function dynCallLegacy(sig,ptr,args){var f=Module["dynCall_"+sig];return args&&args.length?f.apply(null,[ptr].concat(args)):f.call(null,ptr)}function getWasmTableEntry(funcPtr){return wasmTable.get(funcPtr)}function dynCall(sig,ptr,args){if(sig.includes("j")){return dynCallLegacy(sig,ptr,args)}var rtn=getWasmTableEntry(ptr).apply(null,args);return rtn}function getDynCaller(sig,ptr){var argCache=[];return function(){argCache.length=0;Object.assign(argCache,arguments);return dynCall(sig,ptr,argCache)}}function embind__requireFunction(signature,rawFunction){signature=readLatin1String(signature);function makeDynCaller(){if(signature.includes("j")){return getDynCaller(signature,rawFunction)}return getWasmTableEntry(rawFunction)}var fp=makeDynCaller();if(typeof fp!="function"){throwBindingError("unknown function pointer with signature "+signature+": "+rawFunction)}return fp}var UnboundTypeError=undefined;function getTypeName(type){var ptr=___getTypeName(type);var rv=readLatin1String(ptr);_free(ptr);return rv}function throwUnboundTypeError(message,types){var unboundTypes=[];var seen={};function visit(type){if(seen[type]){return}if(registeredTypes[type]){return}if(typeDependencies[type]){typeDependencies[type].forEach(visit);return}unboundTypes.push(type);seen[type]=true}types.forEach(visit);throw new UnboundTypeError(message+": "+unboundTypes.map(getTypeName).join([", "]))}function __embind_register_class(rawType,rawPointerType,rawConstPointerType,baseClassRawType,getActualTypeSignature,getActualType,upcastSignature,upcast,downcastSignature,downcast,name,destructorSignature,rawDestructor){name=readLatin1String(name);getActualType=embind__requireFunction(getActualTypeSignature,getActualType);if(upcast){upcast=embind__requireFunction(upcastSignature,upcast)}if(downcast){downcast=embind__requireFunction(downcastSignature,downcast)}rawDestructor=embind__requireFunction(destructorSignature,rawDestructor);var legalFunctionName=makeLegalFunctionName(name);exposePublicSymbol(legalFunctionName,function(){throwUnboundTypeError("Cannot construct "+name+" due to unbound types",[baseClassRawType])});whenDependentTypesAreResolved([rawType,rawPointerType,rawConstPointerType],baseClassRawType?[baseClassRawType]:[],function(base){base=base[0];var baseClass;var basePrototype;if(baseClassRawType){baseClass=base.registeredClass;basePrototype=baseClass.instancePrototype}else{basePrototype=ClassHandle.prototype}var constructor=createNamedFunction(legalFunctionName,function(){if(Object.getPrototypeOf(this)!==instancePrototype){throw new BindingError("Use 'new' to construct "+name)}if(undefined===registeredClass.constructor_body){throw new BindingError(name+" has no accessible constructor")}var body=registeredClass.constructor_body[arguments.length];if(undefined===body){throw new BindingError("Tried to invoke ctor of "+name+" with invalid number of parameters ("+arguments.length+") - expected ("+Object.keys(registeredClass.constructor_body).toString()+") parameters instead!")}return body.apply(this,arguments)});var instancePrototype=Object.create(basePrototype,{constructor:{value:constructor}});constructor.prototype=instancePrototype;var registeredClass=new RegisteredClass(name,constructor,instancePrototype,rawDestructor,baseClass,getActualType,upcast,downcast);var referenceConverter=new RegisteredPointer(name,registeredClass,true,false,false);var pointerConverter=new RegisteredPointer(name+"*",registeredClass,false,false,false);var constPointerConverter=new RegisteredPointer(name+" const*",registeredClass,false,true,false);registeredPointers[rawType]={pointerType:pointerConverter,constPointerType:constPointerConverter};replacePublicSymbol(legalFunctionName,constructor);return[referenceConverter,pointerConverter,constPointerConverter]})}function new_(constructor,argumentList){if(!(constructor instanceof Function)){throw new TypeError("new_ called with constructor type "+typeof constructor+" which is not a function")}var dummy=createNamedFunction(constructor.name||"unknownFunctionName",function(){});dummy.prototype=constructor.prototype;var obj=new dummy;var r=constructor.apply(obj,argumentList);return r instanceof Object?r:obj}function craftInvokerFunction(humanName,argTypes,classType,cppInvokerFunc,cppTargetFunc){var argCount=argTypes.length;if(argCount<2){throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!")}var isClassMethodFunc=argTypes[1]!==null&&classType!==null;var needsDestructorStack=false;for(var i=1;i0?", ":"")+argsListWired}invokerFnBody+=(returns?"var rv = ":"")+"invoker(fn"+(argsListWired.length>0?", ":"")+argsListWired+");\n";if(needsDestructorStack){invokerFnBody+="runDestructors(destructors);\n"}else{for(var i=isClassMethodFunc?1:2;i>2])}return array}function __embind_register_class_class_function(rawClassType,methodName,argCount,rawArgTypesAddr,invokerSignature,rawInvoker,fn){var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);methodName=readLatin1String(methodName);rawInvoker=embind__requireFunction(invokerSignature,rawInvoker);whenDependentTypesAreResolved([],[rawClassType],function(classType){classType=classType[0];var humanName=classType.name+"."+methodName;function unboundTypesHandler(){throwUnboundTypeError("Cannot call "+humanName+" due to unbound types",rawArgTypes)}if(methodName.startsWith("@@")){methodName=Symbol[methodName.substring(2)]}var proto=classType.registeredClass.constructor;if(undefined===proto[methodName]){unboundTypesHandler.argCount=argCount-1;proto[methodName]=unboundTypesHandler}else{ensureOverloadTable(proto,methodName,humanName);proto[methodName].overloadTable[argCount-1]=unboundTypesHandler}whenDependentTypesAreResolved([],rawArgTypes,function(argTypes){var invokerArgsArray=[argTypes[0],null].concat(argTypes.slice(1));var func=craftInvokerFunction(humanName,invokerArgsArray,null,rawInvoker,fn);if(undefined===proto[methodName].overloadTable){func.argCount=argCount-1;proto[methodName]=func}else{proto[methodName].overloadTable[argCount-1]=func}return[]});return[]})}function __embind_register_class_constructor(rawClassType,argCount,rawArgTypesAddr,invokerSignature,invoker,rawConstructor){assert(argCount>0);var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);invoker=embind__requireFunction(invokerSignature,invoker);whenDependentTypesAreResolved([],[rawClassType],function(classType){classType=classType[0];var humanName="constructor "+classType.name;if(undefined===classType.registeredClass.constructor_body){classType.registeredClass.constructor_body=[]}if(undefined!==classType.registeredClass.constructor_body[argCount-1]){throw new BindingError("Cannot register multiple constructors with identical number of parameters ("+(argCount-1)+") for class '"+classType.name+"'! Overload resolution is currently only performed using the parameter count, not actual type info!")}classType.registeredClass.constructor_body[argCount-1]=()=>{throwUnboundTypeError("Cannot construct "+classType.name+" due to unbound types",rawArgTypes)};whenDependentTypesAreResolved([],rawArgTypes,function(argTypes){argTypes.splice(1,0,null);classType.registeredClass.constructor_body[argCount-1]=craftInvokerFunction(humanName,argTypes,null,invoker,rawConstructor);return[]});return[]})}function __embind_register_class_function(rawClassType,methodName,argCount,rawArgTypesAddr,invokerSignature,rawInvoker,context,isPureVirtual){var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);methodName=readLatin1String(methodName);rawInvoker=embind__requireFunction(invokerSignature,rawInvoker);whenDependentTypesAreResolved([],[rawClassType],function(classType){classType=classType[0];var humanName=classType.name+"."+methodName;if(methodName.startsWith("@@")){methodName=Symbol[methodName.substring(2)]}if(isPureVirtual){classType.registeredClass.pureVirtualFunctions.push(methodName)}function unboundTypesHandler(){throwUnboundTypeError("Cannot call "+humanName+" due to unbound types",rawArgTypes)}var proto=classType.registeredClass.instancePrototype;var method=proto[methodName];if(undefined===method||undefined===method.overloadTable&&method.className!==classType.name&&method.argCount===argCount-2){unboundTypesHandler.argCount=argCount-2;unboundTypesHandler.className=classType.name;proto[methodName]=unboundTypesHandler}else{ensureOverloadTable(proto,methodName,humanName);proto[methodName].overloadTable[argCount-2]=unboundTypesHandler}whenDependentTypesAreResolved([],rawArgTypes,function(argTypes){var memberFunction=craftInvokerFunction(humanName,argTypes,classType,rawInvoker,context);if(undefined===proto[methodName].overloadTable){memberFunction.argCount=argCount-2;proto[methodName]=memberFunction}else{proto[methodName].overloadTable[argCount-2]=memberFunction}return[]});return[]})}function validateThis(this_,classType,humanName){if(!(this_ instanceof Object)){throwBindingError(humanName+' with invalid "this": '+this_)}if(!(this_ instanceof classType.registeredClass.constructor)){throwBindingError(humanName+' incompatible with "this" of type '+this_.constructor.name)}if(!this_.$$.ptr){throwBindingError("cannot call emscripten binding method "+humanName+" on deleted object")}return upcastPointer(this_.$$.ptr,this_.$$.ptrType.registeredClass,classType.registeredClass)}function __embind_register_class_property(classType,fieldName,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext){fieldName=readLatin1String(fieldName);getter=embind__requireFunction(getterSignature,getter);whenDependentTypesAreResolved([],[classType],function(classType){classType=classType[0];var humanName=classType.name+"."+fieldName;var desc={get:function(){throwUnboundTypeError("Cannot access "+humanName+" due to unbound types",[getterReturnType,setterArgumentType])},enumerable:true,configurable:true};if(setter){desc.set=()=>{throwUnboundTypeError("Cannot access "+humanName+" due to unbound types",[getterReturnType,setterArgumentType])}}else{desc.set=v=>{throwBindingError(humanName+" is a read-only property")}}Object.defineProperty(classType.registeredClass.instancePrototype,fieldName,desc);whenDependentTypesAreResolved([],setter?[getterReturnType,setterArgumentType]:[getterReturnType],function(types){var getterReturnType=types[0];var desc={get:function(){var ptr=validateThis(this,classType,humanName+" getter");return getterReturnType["fromWireType"](getter(getterContext,ptr))},enumerable:true};if(setter){setter=embind__requireFunction(setterSignature,setter);var setterArgumentType=types[1];desc.set=function(v){var ptr=validateThis(this,classType,humanName+" setter");var destructors=[];setter(setterContext,ptr,setterArgumentType["toWireType"](destructors,v));runDestructors(destructors)}}Object.defineProperty(classType.registeredClass.instancePrototype,fieldName,desc);return[]});return[]})}var emval_free_list=[];var emval_handle_array=[{},{value:undefined},{value:null},{value:true},{value:false}];function __emval_decref(handle){if(handle>4&&0===--emval_handle_array[handle].refcount){emval_handle_array[handle]=undefined;emval_free_list.push(handle)}}function count_emval_handles(){var count=0;for(var i=5;i{if(!handle){throwBindingError("Cannot use deleted val. handle = "+handle)}return emval_handle_array[handle].value},toHandle:value=>{switch(value){case undefined:return 1;case null:return 2;case true:return 3;case false:return 4;default:{var handle=emval_free_list.length?emval_free_list.pop():emval_handle_array.length;emval_handle_array[handle]={refcount:1,value:value};return handle}}}};function __embind_register_emval(rawType,name){name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(handle){var rv=Emval.toValue(handle);__emval_decref(handle);return rv},"toWireType":function(destructors,value){return Emval.toHandle(value)},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:null})}function enumReadValueFromPointer(name,shift,signed){switch(shift){case 0:return function(pointer){var heap=signed?HEAP8:HEAPU8;return this["fromWireType"](heap[pointer])};case 1:return function(pointer){var heap=signed?HEAP16:HEAPU16;return this["fromWireType"](heap[pointer>>1])};case 2:return function(pointer){var heap=signed?HEAP32:HEAPU32;return this["fromWireType"](heap[pointer>>2])};default:throw new TypeError("Unknown integer type: "+name)}}function __embind_register_enum(rawType,name,size,isSigned){var shift=getShiftFromSize(size);name=readLatin1String(name);function ctor(){}ctor.values={};registerType(rawType,{name:name,constructor:ctor,"fromWireType":function(c){return this.constructor.values[c]},"toWireType":function(destructors,c){return c.value},"argPackAdvance":8,"readValueFromPointer":enumReadValueFromPointer(name,shift,isSigned),destructorFunction:null});exposePublicSymbol(name,ctor)}function requireRegisteredType(rawType,humanName){var impl=registeredTypes[rawType];if(undefined===impl){throwBindingError(humanName+" has unknown type "+getTypeName(rawType))}return impl}function __embind_register_enum_value(rawEnumType,name,enumValue){var enumType=requireRegisteredType(rawEnumType,"enum");name=readLatin1String(name);var Enum=enumType.constructor;var Value=Object.create(enumType.constructor.prototype,{value:{value:enumValue},constructor:{value:createNamedFunction(enumType.name+"_"+name,function(){})}});Enum.values[enumValue]=Value;Enum[name]=Value}function embindRepr(v){if(v===null){return"null"}var t=typeof v;if(t==="object"||t==="array"||t==="function"){return v.toString()}else{return""+v}}function floatReadValueFromPointer(name,shift){switch(shift){case 2:return function(pointer){return this["fromWireType"](HEAPF32[pointer>>2])};case 3:return function(pointer){return this["fromWireType"](HEAPF64[pointer>>3])};default:throw new TypeError("Unknown float type: "+name)}}function __embind_register_float(rawType,name,size){var shift=getShiftFromSize(size);name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(value){return value},"toWireType":function(destructors,value){return value},"argPackAdvance":8,"readValueFromPointer":floatReadValueFromPointer(name,shift),destructorFunction:null})}function integerReadValueFromPointer(name,shift,signed){switch(shift){case 0:return signed?function readS8FromPointer(pointer){return HEAP8[pointer]}:function readU8FromPointer(pointer){return HEAPU8[pointer]};case 1:return signed?function readS16FromPointer(pointer){return HEAP16[pointer>>1]}:function readU16FromPointer(pointer){return HEAPU16[pointer>>1]};case 2:return signed?function readS32FromPointer(pointer){return HEAP32[pointer>>2]}:function readU32FromPointer(pointer){return HEAPU32[pointer>>2]};default:throw new TypeError("Unknown integer type: "+name)}}function __embind_register_integer(primitiveType,name,size,minRange,maxRange){name=readLatin1String(name);if(maxRange===-1){maxRange=4294967295}var shift=getShiftFromSize(size);var fromWireType=value=>value;if(minRange===0){var bitshift=32-8*size;fromWireType=value=>value<>>bitshift}var isUnsignedType=name.includes("unsigned");var checkAssertions=(value,toTypeName)=>{};var toWireType;if(isUnsignedType){toWireType=function(destructors,value){checkAssertions(value,this.name);return value>>>0}}else{toWireType=function(destructors,value){checkAssertions(value,this.name);return value}}registerType(primitiveType,{name:name,"fromWireType":fromWireType,"toWireType":toWireType,"argPackAdvance":8,"readValueFromPointer":integerReadValueFromPointer(name,shift,minRange!==0),destructorFunction:null})}function __embind_register_memory_view(rawType,dataTypeIndex,name){var typeMapping=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array];var TA=typeMapping[dataTypeIndex];function decodeMemoryView(handle){handle=handle>>2;var heap=HEAPU32;var size=heap[handle];var data=heap[handle+1];return new TA(heap.buffer,data,size)}name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":decodeMemoryView,"argPackAdvance":8,"readValueFromPointer":decodeMemoryView},{ignoreDuplicateRegistrations:true})}function __embind_register_std_string(rawType,name){name=readLatin1String(name);var stdStringIsUTF8=name==="std::string";registerType(rawType,{name:name,"fromWireType":function(value){var length=HEAPU32[value>>2];var payload=value+4;var str;if(stdStringIsUTF8){var decodeStartPtr=payload;for(var i=0;i<=length;++i){var currentBytePtr=payload+i;if(i==length||HEAPU8[currentBytePtr]==0){var maxRead=currentBytePtr-decodeStartPtr;var stringSegment=UTF8ToString(decodeStartPtr,maxRead);if(str===undefined){str=stringSegment}else{str+=String.fromCharCode(0);str+=stringSegment}decodeStartPtr=currentBytePtr+1}}}else{var a=new Array(length);for(var i=0;i>2]=length;if(stdStringIsUTF8&&valueIsOfTypeString){stringToUTF8(value,ptr,length+1)}else{if(valueIsOfTypeString){for(var i=0;i255){_free(ptr);throwBindingError("String has UTF-16 code units that do not fit in 8 bits")}HEAPU8[ptr+i]=charCode}}else{for(var i=0;i>1;var maxIdx=idx+maxBytesToRead/2;while(!(idx>=maxIdx)&&HEAPU16[idx])++idx;endPtr=idx<<1;if(endPtr-ptr>32&&UTF16Decoder)return UTF16Decoder.decode(HEAPU8.subarray(ptr,endPtr));var str="";for(var i=0;!(i>=maxBytesToRead/2);++i){var codeUnit=HEAP16[ptr+i*2>>1];if(codeUnit==0)break;str+=String.fromCharCode(codeUnit)}return str}function stringToUTF16(str,outPtr,maxBytesToWrite){if(maxBytesToWrite===undefined){maxBytesToWrite=2147483647}if(maxBytesToWrite<2)return 0;maxBytesToWrite-=2;var startPtr=outPtr;var numCharsToWrite=maxBytesToWrite>1]=codeUnit;outPtr+=2}HEAP16[outPtr>>1]=0;return outPtr-startPtr}function lengthBytesUTF16(str){return str.length*2}function UTF32ToString(ptr,maxBytesToRead){var i=0;var str="";while(!(i>=maxBytesToRead/4)){var utf32=HEAP32[ptr+i*4>>2];if(utf32==0)break;++i;if(utf32>=65536){var ch=utf32-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}else{str+=String.fromCharCode(utf32)}}return str}function stringToUTF32(str,outPtr,maxBytesToWrite){if(maxBytesToWrite===undefined){maxBytesToWrite=2147483647}if(maxBytesToWrite<4)return 0;var startPtr=outPtr;var endPtr=startPtr+maxBytesToWrite-4;for(var i=0;i=55296&&codeUnit<=57343){var trailSurrogate=str.charCodeAt(++i);codeUnit=65536+((codeUnit&1023)<<10)|trailSurrogate&1023}HEAP32[outPtr>>2]=codeUnit;outPtr+=4;if(outPtr+4>endPtr)break}HEAP32[outPtr>>2]=0;return outPtr-startPtr}function lengthBytesUTF32(str){var len=0;for(var i=0;i=55296&&codeUnit<=57343)++i;len+=4}return len}function __embind_register_std_wstring(rawType,charSize,name){name=readLatin1String(name);var decodeString,encodeString,getHeap,lengthBytesUTF,shift;if(charSize===2){decodeString=UTF16ToString;encodeString=stringToUTF16;lengthBytesUTF=lengthBytesUTF16;getHeap=()=>HEAPU16;shift=1}else if(charSize===4){decodeString=UTF32ToString;encodeString=stringToUTF32;lengthBytesUTF=lengthBytesUTF32;getHeap=()=>HEAPU32;shift=2}registerType(rawType,{name:name,"fromWireType":function(value){var length=HEAPU32[value>>2];var HEAP=getHeap();var str;var decodeStartPtr=value+4;for(var i=0;i<=length;++i){var currentBytePtr=value+4+i*charSize;if(i==length||HEAP[currentBytePtr>>shift]==0){var maxReadBytes=currentBytePtr-decodeStartPtr;var stringSegment=decodeString(decodeStartPtr,maxReadBytes);if(str===undefined){str=stringSegment}else{str+=String.fromCharCode(0);str+=stringSegment}decodeStartPtr=currentBytePtr+charSize}}_free(value);return str},"toWireType":function(destructors,value){if(!(typeof value=="string")){throwBindingError("Cannot pass non-string to C++ string type "+name)}var length=lengthBytesUTF(value);var ptr=_malloc(4+length+charSize);HEAPU32[ptr>>2]=length>>shift;encodeString(value,ptr+4,length+charSize);if(destructors!==null){destructors.push(_free,ptr)}return ptr},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:function(ptr){_free(ptr)}})}function __embind_register_value_array(rawType,name,constructorSignature,rawConstructor,destructorSignature,rawDestructor){tupleRegistrations[rawType]={name:readLatin1String(name),rawConstructor:embind__requireFunction(constructorSignature,rawConstructor),rawDestructor:embind__requireFunction(destructorSignature,rawDestructor),elements:[]}}function __embind_register_value_array_element(rawTupleType,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext){tupleRegistrations[rawTupleType].elements.push({getterReturnType:getterReturnType,getter:embind__requireFunction(getterSignature,getter),getterContext:getterContext,setterArgumentType:setterArgumentType,setter:embind__requireFunction(setterSignature,setter),setterContext:setterContext})}function __embind_register_value_object(rawType,name,constructorSignature,rawConstructor,destructorSignature,rawDestructor){structRegistrations[rawType]={name:readLatin1String(name),rawConstructor:embind__requireFunction(constructorSignature,rawConstructor),rawDestructor:embind__requireFunction(destructorSignature,rawDestructor),fields:[]}}function __embind_register_value_object_field(structType,fieldName,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext){structRegistrations[structType].fields.push({fieldName:readLatin1String(fieldName),getterReturnType:getterReturnType,getter:embind__requireFunction(getterSignature,getter),getterContext:getterContext,setterArgumentType:setterArgumentType,setter:embind__requireFunction(setterSignature,setter),setterContext:setterContext})}function __embind_register_void(rawType,name){name=readLatin1String(name);registerType(rawType,{isVoid:true,name:name,"argPackAdvance":0,"fromWireType":function(){return undefined},"toWireType":function(destructors,o){return undefined}})}function __emval_as(handle,returnType,destructorsRef){handle=Emval.toValue(handle);returnType=requireRegisteredType(returnType,"emval::as");var destructors=[];var rd=Emval.toHandle(destructors);HEAPU32[destructorsRef>>2]=rd;return returnType["toWireType"](destructors,handle)}function emval_allocateDestructors(destructorsRef){var destructors=[];HEAPU32[destructorsRef>>2]=Emval.toHandle(destructors);return destructors}var emval_symbols={};function getStringOrSymbol(address){var symbol=emval_symbols[address];if(symbol===undefined){return readLatin1String(address)}return symbol}var emval_methodCallers=[];function __emval_call_method(caller,handle,methodName,destructorsRef,args){caller=emval_methodCallers[caller];handle=Emval.toValue(handle);methodName=getStringOrSymbol(methodName);return caller(handle,methodName,emval_allocateDestructors(destructorsRef),args)}function __emval_call_void_method(caller,handle,methodName,args){caller=emval_methodCallers[caller];handle=Emval.toValue(handle);methodName=getStringOrSymbol(methodName);caller(handle,methodName,null,args)}function __emval_equals(first,second){first=Emval.toValue(first);second=Emval.toValue(second);return first==second}function emval_get_global(){if(typeof globalThis=="object"){return globalThis}return function(){return Function}()("return this")()}function __emval_get_global(name){if(name===0){return Emval.toHandle(emval_get_global())}else{name=getStringOrSymbol(name);return Emval.toHandle(emval_get_global()[name])}}function emval_addMethodCaller(caller){var id=emval_methodCallers.length;emval_methodCallers.push(caller);return id}function emval_lookupTypes(argCount,argTypes){var a=new Array(argCount);for(var i=0;i>2],"parameter "+i)}return a}var emval_registeredMethods=[];function __emval_get_method_caller(argCount,argTypes){var types=emval_lookupTypes(argCount,argTypes);var retType=types[0];var signatureName=retType.name+"_$"+types.slice(1).map(function(t){return t.name}).join("_")+"$";var returnId=emval_registeredMethods[signatureName];if(returnId!==undefined){return returnId}var params=["retType"];var args=[retType];var argsList="";for(var i=0;i4){emval_handle_array[handle].refcount+=1}}function __emval_instanceof(object,constructor){object=Emval.toValue(object);constructor=Emval.toValue(constructor);return object instanceof constructor}function __emval_is_number(handle){handle=Emval.toValue(handle);return typeof handle=="number"}function __emval_is_string(handle){handle=Emval.toValue(handle);return typeof handle=="string"}function craftEmvalAllocator(argCount){var argsList="";for(var i=0;iHEAPU32;var functionBody="return function emval_allocator_"+argCount+"(constructor, argTypes, args) {\n"+" var HEAPU32 = getMemory();\n";for(var i=0;i>2)], 'parameter "+i+"');\n"+"var arg"+i+" = argType"+i+".readValueFromPointer(args);\n"+"args += argType"+i+"['argPackAdvance'];\n"+"argTypes += 4;\n"}functionBody+="var obj = new constructor("+argsList+");\n"+"return valueToHandle(obj);\n"+"}\n";return new Function("requireRegisteredType","Module","valueToHandle","getMemory",functionBody)(requireRegisteredType,Module,Emval.toHandle,getMemory)}var emval_newers={};function __emval_new(handle,argCount,argTypes,args){handle=Emval.toValue(handle);var newer=emval_newers[argCount];if(!newer){newer=craftEmvalAllocator(argCount);emval_newers[argCount]=newer}return newer(handle,argTypes,args)}function __emval_new_array(){return Emval.toHandle([])}function __emval_new_cstring(v){return Emval.toHandle(getStringOrSymbol(v))}function __emval_new_object(){return Emval.toHandle({})}function __emval_run_destructors(handle){var destructors=Emval.toValue(handle);runDestructors(destructors);__emval_decref(handle)}function __emval_set_property(handle,key,value){handle=Emval.toValue(handle);key=Emval.toValue(key);value=Emval.toValue(value);handle[key]=value}function __emval_take_value(type,arg){type=requireRegisteredType(type,"_emval_take_value");var v=type["readValueFromPointer"](arg);return Emval.toHandle(v)}function readI53FromI64(ptr){return HEAPU32[ptr>>2]+HEAP32[ptr+4>>2]*4294967296}function __gmtime_js(time,tmPtr){var date=new Date(readI53FromI64(time)*1e3);HEAP32[tmPtr>>2]=date.getUTCSeconds();HEAP32[tmPtr+4>>2]=date.getUTCMinutes();HEAP32[tmPtr+8>>2]=date.getUTCHours();HEAP32[tmPtr+12>>2]=date.getUTCDate();HEAP32[tmPtr+16>>2]=date.getUTCMonth();HEAP32[tmPtr+20>>2]=date.getUTCFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getUTCDay();var start=Date.UTC(date.getUTCFullYear(),0,1,0,0,0,0);var yday=(date.getTime()-start)/(1e3*60*60*24)|0;HEAP32[tmPtr+28>>2]=yday}function __isLeapYear(year){return year%4===0&&(year%100!==0||year%400===0)}var __MONTH_DAYS_LEAP_CUMULATIVE=[0,31,60,91,121,152,182,213,244,274,305,335];var __MONTH_DAYS_REGULAR_CUMULATIVE=[0,31,59,90,120,151,181,212,243,273,304,334];function __yday_from_date(date){var isLeapYear=__isLeapYear(date.getFullYear());var monthDaysCumulative=isLeapYear?__MONTH_DAYS_LEAP_CUMULATIVE:__MONTH_DAYS_REGULAR_CUMULATIVE;var yday=monthDaysCumulative[date.getMonth()]+date.getDate()-1;return yday}function __localtime_js(time,tmPtr){var date=new Date(readI53FromI64(time)*1e3);HEAP32[tmPtr>>2]=date.getSeconds();HEAP32[tmPtr+4>>2]=date.getMinutes();HEAP32[tmPtr+8>>2]=date.getHours();HEAP32[tmPtr+12>>2]=date.getDate();HEAP32[tmPtr+16>>2]=date.getMonth();HEAP32[tmPtr+20>>2]=date.getFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getDay();var yday=__yday_from_date(date)|0;HEAP32[tmPtr+28>>2]=yday;HEAP32[tmPtr+36>>2]=-(date.getTimezoneOffset()*60);var start=new Date(date.getFullYear(),0,1);var summerOffset=new Date(date.getFullYear(),6,1).getTimezoneOffset();var winterOffset=start.getTimezoneOffset();var dst=(summerOffset!=winterOffset&&date.getTimezoneOffset()==Math.min(winterOffset,summerOffset))|0;HEAP32[tmPtr+32>>2]=dst}function __mktime_js(tmPtr){var date=new Date(HEAP32[tmPtr+20>>2]+1900,HEAP32[tmPtr+16>>2],HEAP32[tmPtr+12>>2],HEAP32[tmPtr+8>>2],HEAP32[tmPtr+4>>2],HEAP32[tmPtr>>2],0);var dst=HEAP32[tmPtr+32>>2];var guessedOffset=date.getTimezoneOffset();var start=new Date(date.getFullYear(),0,1);var summerOffset=new Date(date.getFullYear(),6,1).getTimezoneOffset();var winterOffset=start.getTimezoneOffset();var dstOffset=Math.min(winterOffset,summerOffset);if(dst<0){HEAP32[tmPtr+32>>2]=Number(summerOffset!=winterOffset&&dstOffset==guessedOffset)}else if(dst>0!=(dstOffset==guessedOffset)){var nonDstOffset=Math.max(winterOffset,summerOffset);var trueOffset=dst>0?dstOffset:nonDstOffset;date.setTime(date.getTime()+(trueOffset-guessedOffset)*6e4)}HEAP32[tmPtr+24>>2]=date.getDay();var yday=__yday_from_date(date)|0;HEAP32[tmPtr+28>>2]=yday;HEAP32[tmPtr>>2]=date.getSeconds();HEAP32[tmPtr+4>>2]=date.getMinutes();HEAP32[tmPtr+8>>2]=date.getHours();HEAP32[tmPtr+12>>2]=date.getDate();HEAP32[tmPtr+16>>2]=date.getMonth();HEAP32[tmPtr+20>>2]=date.getYear();return date.getTime()/1e3|0}function allocateUTF8(str){var size=lengthBytesUTF8(str)+1;var ret=_malloc(size);if(ret)stringToUTF8Array(str,HEAP8,ret,size);return ret}function __tzset_js(timezone,daylight,tzname){var currentYear=(new Date).getFullYear();var winter=new Date(currentYear,0,1);var summer=new Date(currentYear,6,1);var winterOffset=winter.getTimezoneOffset();var summerOffset=summer.getTimezoneOffset();var stdTimezoneOffset=Math.max(winterOffset,summerOffset);HEAPU32[timezone>>2]=stdTimezoneOffset*60;HEAP32[daylight>>2]=Number(winterOffset!=summerOffset);function extractZone(date){var match=date.toTimeString().match(/\(([A-Za-z ]+)\)$/);return match?match[1]:"GMT"}var winterName=extractZone(winter);var summerName=extractZone(summer);var winterNamePtr=allocateUTF8(winterName);var summerNamePtr=allocateUTF8(summerName);if(summerOffset>2]=winterNamePtr;HEAPU32[tzname+4>>2]=summerNamePtr}else{HEAPU32[tzname>>2]=summerNamePtr;HEAPU32[tzname+4>>2]=winterNamePtr}}function _abort(){abort("")}function _emscripten_date_now(){return Date.now()}function getHeapMax(){return 2147483648}var _emscripten_get_now;if(ENVIRONMENT_IS_NODE){_emscripten_get_now=()=>{var t=process["hrtime"]();return t[0]*1e3+t[1]/1e6}}else _emscripten_get_now=()=>performance.now();function emscripten_realloc_buffer(size){var b=wasmMemory.buffer;try{wasmMemory.grow(size-b.byteLength+65535>>>16);updateMemoryViews();return 1}catch(e){}}function _emscripten_resize_heap(requestedSize){var oldSize=HEAPU8.length;requestedSize=requestedSize>>>0;var maxHeapSize=getHeapMax();if(requestedSize>maxHeapSize){return false}let alignUp=(x,multiple)=>x+(multiple-x%multiple)%multiple;for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignUp(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=emscripten_realloc_buffer(newSize);if(replacement){return true}}return false}var ENV={};function getExecutableName(){return thisProgram||"./this.program"}function getEnvStrings(){if(!getEnvStrings.strings){var lang=(typeof navigator=="object"&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8";var env={"USER":"web_user","LOGNAME":"web_user","PATH":"/","PWD":"/","HOME":"/home/web_user","LANG":lang,"_":getExecutableName()};for(var x in ENV){if(ENV[x]===undefined)delete env[x];else env[x]=ENV[x]}var strings=[];for(var x in env){strings.push(x+"="+env[x])}getEnvStrings.strings=strings}return getEnvStrings.strings}function writeAsciiToMemory(str,buffer,dontAddNull){for(var i=0;i>0]=str.charCodeAt(i)}if(!dontAddNull)HEAP8[buffer>>0]=0}function _environ_get(__environ,environ_buf){var bufSize=0;getEnvStrings().forEach(function(string,i){var ptr=environ_buf+bufSize;HEAPU32[__environ+i*4>>2]=ptr;writeAsciiToMemory(string,ptr);bufSize+=string.length+1});return 0}function _environ_sizes_get(penviron_count,penviron_buf_size){var strings=getEnvStrings();HEAPU32[penviron_count>>2]=strings.length;var bufSize=0;strings.forEach(function(string){bufSize+=string.length+1});HEAPU32[penviron_buf_size>>2]=bufSize;return 0}function _fd_close(fd){try{var stream=SYSCALLS.getStreamFromFD(fd);FS.close(stream);return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return e.errno}}function doReadv(stream,iov,iovcnt,offset){var ret=0;for(var i=0;i>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.read(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(curr>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return e.errno}}function _fd_seek(fd,offset_low,offset_high,whence,newOffset){try{var offset=convertI32PairToI53Checked(offset_low,offset_high);if(isNaN(offset))return 61;var stream=SYSCALLS.getStreamFromFD(fd);FS.llseek(stream,offset,whence);tempI64=[stream.position>>>0,(tempDouble=stream.position,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[newOffset>>2]=tempI64[0],HEAP32[newOffset+4>>2]=tempI64[1];if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return e.errno}}function doWritev(stream,iov,iovcnt,offset){var ret=0;for(var i=0;i>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.write(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(typeof offset!=="undefined"){offset+=curr}}return ret}function _fd_write(fd,iov,iovcnt,pnum){try{var stream=SYSCALLS.getStreamFromFD(fd);var num=doWritev(stream,iov,iovcnt);HEAPU32[pnum>>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return e.errno}}var FSNode=function(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev};var readMode=292|73;var writeMode=146;Object.defineProperties(FSNode.prototype,{read:{get:function(){return(this.mode&readMode)===readMode},set:function(val){val?this.mode|=readMode:this.mode&=~readMode}},write:{get:function(){return(this.mode&writeMode)===writeMode},set:function(val){val?this.mode|=writeMode:this.mode&=~writeMode}},isFolder:{get:function(){return FS.isDir(this.mode)}},isDevice:{get:function(){return FS.isChrdev(this.mode)}}});FS.FSNode=FSNode;FS.staticInit();InternalError=Module["InternalError"]=extendError(Error,"InternalError");embind_init_charCodes();BindingError=Module["BindingError"]=extendError(Error,"BindingError");init_ClassHandle();init_embind();init_RegisteredPointer();UnboundTypeError=Module["UnboundTypeError"]=extendError(Error,"UnboundTypeError");init_emval();var asmLibraryArg={"v":___cxa_throw,"U":___syscall_connect,"ea":___syscall_faccessat,"o":___syscall_fcntl64,"Z":___syscall_fstat64,"S":___syscall_ftruncate64,"K":___syscall_ioctl,"W":___syscall_lstat64,"X":___syscall_newfstatat,"G":___syscall_openat,"F":___syscall_socket,"Y":___syscall_stat64,"r":__embind_finalize_value_array,"ka":__embind_finalize_value_object,"T":__embind_register_bigint,"ga":__embind_register_bool,"e":__embind_register_class,"f":__embind_register_class_class_function,"g":__embind_register_class_constructor,"b":__embind_register_class_function,"a":__embind_register_class_property,"fa":__embind_register_emval,"i":__embind_register_enum,"d":__embind_register_enum_value,"M":__embind_register_float,"p":__embind_register_integer,"l":__embind_register_memory_view,"L":__embind_register_std_string,"B":__embind_register_std_wstring,"q":__embind_register_value_array,"ia":__embind_register_value_array_element,"ja":__embind_register_value_object,"N":__embind_register_value_object_field,"ha":__embind_register_void,"t":__emval_as,"la":__emval_call_method,"P":__emval_call_void_method,"c":__emval_decref,"Q":__emval_equals,"y":__emval_get_global,"C":__emval_get_method_caller,"E":__emval_get_module_property,"w":__emval_get_property,"m":__emval_incref,"D":__emval_instanceof,"na":__emval_is_number,"ma":__emval_is_string,"O":__emval_new,"n":__emval_new_array,"u":__emval_new_cstring,"k":__emval_new_object,"s":__emval_run_destructors,"j":__emval_set_property,"h":__emval_take_value,"aa":__gmtime_js,"ba":__localtime_js,"ca":__mktime_js,"da":__tzset_js,"z":_abort,"I":_emscripten_date_now,"H":_emscripten_get_now,"V":_emscripten_resize_heap,"_":_environ_get,"$":_environ_sizes_get,"x":_fd_close,"J":_fd_read,"R":_fd_seek,"A":_fd_write};var asm=createWasm();var ___wasm_call_ctors=Module["___wasm_call_ctors"]=function(){return(___wasm_call_ctors=Module["___wasm_call_ctors"]=Module["asm"]["pa"]).apply(null,arguments)};var _malloc=Module["_malloc"]=function(){return(_malloc=Module["_malloc"]=Module["asm"]["ra"]).apply(null,arguments)};var _free=Module["_free"]=function(){return(_free=Module["_free"]=Module["asm"]["sa"]).apply(null,arguments)};var ___errno_location=Module["___errno_location"]=function(){return(___errno_location=Module["___errno_location"]=Module["asm"]["ta"]).apply(null,arguments)};var ___getTypeName=Module["___getTypeName"]=function(){return(___getTypeName=Module["___getTypeName"]=Module["asm"]["ua"]).apply(null,arguments)};var __embind_initialize_bindings=Module["__embind_initialize_bindings"]=function(){return(__embind_initialize_bindings=Module["__embind_initialize_bindings"]=Module["asm"]["va"]).apply(null,arguments)};var _htons=Module["_htons"]=function(){return(_htons=Module["_htons"]=Module["asm"]["wa"]).apply(null,arguments)};var _ntohs=Module["_ntohs"]=function(){return(_ntohs=Module["_ntohs"]=Module["asm"]["xa"]).apply(null,arguments)};var ___cxa_is_pointer_type=Module["___cxa_is_pointer_type"]=function(){return(___cxa_is_pointer_type=Module["___cxa_is_pointer_type"]=Module["asm"]["ya"]).apply(null,arguments)};var dynCall_ji=Module["dynCall_ji"]=function(){return(dynCall_ji=Module["dynCall_ji"]=Module["asm"]["za"]).apply(null,arguments)};var dynCall_vij=Module["dynCall_vij"]=function(){return(dynCall_vij=Module["dynCall_vij"]=Module["asm"]["Aa"]).apply(null,arguments)};var dynCall_jiji=Module["dynCall_jiji"]=function(){return(dynCall_jiji=Module["dynCall_jiji"]=Module["asm"]["Ba"]).apply(null,arguments)};var calledRun;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function run(args){args=args||arguments_;if(runDependencies>0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();readyPromiseResolve(Module);if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(function(){setTimeout(function(){Module["setStatus"]("")},1);doRun()},1)}else{doRun()}}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}run(); + + + return rhino3dm.ready +} +); +})(); +export default rhino3dm; \ No newline at end of file diff --git a/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.wasm b/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.wasm new file mode 100644 index 0000000..7b30579 Binary files /dev/null and b/node_modules/three/examples/jsm/libs/rhino3dm/rhino3dm.wasm differ diff --git a/node_modules/three/examples/jsm/libs/stats.module.js b/node_modules/three/examples/jsm/libs/stats.module.js new file mode 100644 index 0000000..0d372ba --- /dev/null +++ b/node_modules/three/examples/jsm/libs/stats.module.js @@ -0,0 +1,167 @@ +var Stats = function () { + + var mode = 0; + + var container = document.createElement( 'div' ); + container.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000'; + container.addEventListener( 'click', function ( event ) { + + event.preventDefault(); + showPanel( ++ mode % container.children.length ); + + }, false ); + + // + + function addPanel( panel ) { + + container.appendChild( panel.dom ); + return panel; + + } + + function showPanel( id ) { + + for ( var i = 0; i < container.children.length; i ++ ) { + + container.children[ i ].style.display = i === id ? 'block' : 'none'; + + } + + mode = id; + + } + + // + + var beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0; + + var fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) ); + var msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) ); + + if ( self.performance && self.performance.memory ) { + + var memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) ); + + } + + showPanel( 0 ); + + return { + + REVISION: 16, + + dom: container, + + addPanel: addPanel, + showPanel: showPanel, + + begin: function () { + + beginTime = ( performance || Date ).now(); + + }, + + end: function () { + + frames ++; + + var time = ( performance || Date ).now(); + + msPanel.update( time - beginTime, 200 ); + + if ( time >= prevTime + 1000 ) { + + fpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 ); + + prevTime = time; + frames = 0; + + if ( memPanel ) { + + var memory = performance.memory; + memPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 ); + + } + + } + + return time; + + }, + + update: function () { + + beginTime = this.end(); + + }, + + // Backwards Compatibility + + domElement: container, + setMode: showPanel + + }; + +}; + +Stats.Panel = function ( name, fg, bg ) { + + var min = Infinity, max = 0, round = Math.round; + var PR = round( window.devicePixelRatio || 1 ); + + var WIDTH = 80 * PR, HEIGHT = 48 * PR, + TEXT_X = 3 * PR, TEXT_Y = 2 * PR, + GRAPH_X = 3 * PR, GRAPH_Y = 15 * PR, + GRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR; + + var canvas = document.createElement( 'canvas' ); + canvas.width = WIDTH; + canvas.height = HEIGHT; + canvas.style.cssText = 'width:80px;height:48px'; + + var context = canvas.getContext( '2d' ); + context.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif'; + context.textBaseline = 'top'; + + context.fillStyle = bg; + context.fillRect( 0, 0, WIDTH, HEIGHT ); + + context.fillStyle = fg; + context.fillText( name, TEXT_X, TEXT_Y ); + context.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT ); + + context.fillStyle = bg; + context.globalAlpha = 0.9; + context.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT ); + + return { + + dom: canvas, + + update: function ( value, maxValue ) { + + min = Math.min( min, value ); + max = Math.max( max, value ); + + context.fillStyle = bg; + context.globalAlpha = 1; + context.fillRect( 0, 0, WIDTH, GRAPH_Y ); + context.fillStyle = fg; + context.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y ); + + context.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT ); + + context.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT ); + + context.fillStyle = bg; + context.globalAlpha = 0.9; + context.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) ); + + } + + }; + +}; + +export default Stats; diff --git a/node_modules/three/examples/jsm/libs/surfaceNet.js b/node_modules/three/examples/jsm/libs/surfaceNet.js new file mode 100644 index 0000000..527c3ee --- /dev/null +++ b/node_modules/three/examples/jsm/libs/surfaceNet.js @@ -0,0 +1,201 @@ +/** + * SurfaceNets in JavaScript + * + * Written by Mikola Lysenko (C) 2012 + * + * MIT License + * + * Based on: S.F. Gibson, 'Constrained Elastic Surface Nets'. (1998) MERL Tech Report. + * from https://github.com/mikolalysenko/isosurface/tree/master + * + */ + +let surfaceNet = ( dims, potential, bounds ) => { + + + //Precompute edge table, like Paul Bourke does. + // This saves a bit of time when computing the centroid of each boundary cell + var cube_edges = new Int32Array(24) , edge_table = new Int32Array(256); + (function() { + + //Initialize the cube_edges table + // This is just the vertex number of each cube + var k = 0; + for(var i=0; i<8; ++i) { + for(var j=1; j<=4; j<<=1) { + var p = i^j; + if(i <= p) { + cube_edges[k++] = i; + cube_edges[k++] = p; + } + } + } + + //Initialize the intersection table. + // This is a 2^(cube configuration) -> 2^(edge configuration) map + // There is one entry for each possible cube configuration, and the output is a 12-bit vector enumerating all edges crossing the 0-level. + for(var i=0; i<256; ++i) { + var em = 0; + for(var j=0; j<24; j+=2) { + var a = !!(i & (1<> 1)) : 0; + } + edge_table[i] = em; + } + })(); + + //Internal buffer, this may get resized at run time + var buffer = new Array(4096); + (function() { + for(var i=0; i buffer.length) { + var ol = buffer.length; + buffer.length = R[2] * 2; + while(ol < buffer.length) { + buffer[ol++] = 0; + } + } + + //March over the voxel grid + for(x[2]=0; x[2] 1e-6) { + t = g0 / t; + } else { + continue; + } + + //Interpolate vertices and add up intersections (this can be done without multiplying) + for(var j=0, k=1; j<3; ++j, k<<=1) { + var a = e0 & k + , b = e1 & k; + if(a !== b) { + v[j] += a ? 1.0 - t : t; + } else { + v[j] += a ? 1.0 : 0; + } + } + } + + //Now we just average the edge intersections and add them to coordinate + var s = 1.0 / e_count; + for(var i=0; i<3; ++i) { + v[i] = scale[i] * (x[i] + s * v[i]) + shift[i]; + } + + //Add vertex to buffer, store pointer to vertex index in buffer + buffer[m] = vertices.length; + vertices.push(v); + + //Now we need to add faces together, to do this we just loop over 3 basis components + for(var i=0; i<3; ++i) { + //The first three entries of the edge_mask count the crossings along the edge + if(!(edge_mask & (1< 10000 ? 10000 : power; + return { + In: function (amount) { + return Math.pow(amount, power); + }, + Out: function (amount) { + return 1 - Math.pow((1 - amount), power); + }, + InOut: function (amount) { + if (amount < 0.5) { + return Math.pow((amount * 2), power) / 2; + } + return (1 - Math.pow((2 - amount * 2), power)) / 2 + 0.5; + }, + }; + }, +}); + +var now = function () { return performance.now(); }; + +/** + * Controlling groups of tweens + * + * Using the TWEEN singleton to manage your tweens can cause issues in large apps with many components. + * In these cases, you may want to create your own smaller groups of tween + */ +var Group = /** @class */ (function () { + function Group() { + this._tweens = {}; + this._tweensAddedDuringUpdate = {}; + } + Group.prototype.getAll = function () { + var _this = this; + return Object.keys(this._tweens).map(function (tweenId) { + return _this._tweens[tweenId]; + }); + }; + Group.prototype.removeAll = function () { + this._tweens = {}; + }; + Group.prototype.add = function (tween) { + this._tweens[tween.getId()] = tween; + this._tweensAddedDuringUpdate[tween.getId()] = tween; + }; + Group.prototype.remove = function (tween) { + delete this._tweens[tween.getId()]; + delete this._tweensAddedDuringUpdate[tween.getId()]; + }; + Group.prototype.update = function (time, preserve) { + if (time === void 0) { time = now(); } + if (preserve === void 0) { preserve = false; } + var tweenIds = Object.keys(this._tweens); + if (tweenIds.length === 0) { + return false; + } + // Tweens are updated in "batches". If you add a new tween during an + // update, then the new tween will be updated in the next batch. + // If you remove a tween during an update, it may or may not be updated. + // However, if the removed tween was added during the current batch, + // then it will not be updated. + while (tweenIds.length > 0) { + this._tweensAddedDuringUpdate = {}; + for (var i = 0; i < tweenIds.length; i++) { + var tween = this._tweens[tweenIds[i]]; + var autoStart = !preserve; + if (tween && tween.update(time, autoStart) === false && !preserve) { + delete this._tweens[tweenIds[i]]; + } + } + tweenIds = Object.keys(this._tweensAddedDuringUpdate); + } + return true; + }; + return Group; +}()); + +/** + * + */ +var Interpolation = { + Linear: function (v, k) { + var m = v.length - 1; + var f = m * k; + var i = Math.floor(f); + var fn = Interpolation.Utils.Linear; + if (k < 0) { + return fn(v[0], v[1], f); + } + if (k > 1) { + return fn(v[m], v[m - 1], m - f); + } + return fn(v[i], v[i + 1 > m ? m : i + 1], f - i); + }, + Bezier: function (v, k) { + var b = 0; + var n = v.length - 1; + var pw = Math.pow; + var bn = Interpolation.Utils.Bernstein; + for (var i = 0; i <= n; i++) { + b += pw(1 - k, n - i) * pw(k, i) * v[i] * bn(n, i); + } + return b; + }, + CatmullRom: function (v, k) { + var m = v.length - 1; + var f = m * k; + var i = Math.floor(f); + var fn = Interpolation.Utils.CatmullRom; + if (v[0] === v[m]) { + if (k < 0) { + i = Math.floor((f = m * (1 + k))); + } + return fn(v[(i - 1 + m) % m], v[i], v[(i + 1) % m], v[(i + 2) % m], f - i); + } + else { + if (k < 0) { + return v[0] - (fn(v[0], v[0], v[1], v[1], -f) - v[0]); + } + if (k > 1) { + return v[m] - (fn(v[m], v[m], v[m - 1], v[m - 1], f - m) - v[m]); + } + return fn(v[i ? i - 1 : 0], v[i], v[m < i + 1 ? m : i + 1], v[m < i + 2 ? m : i + 2], f - i); + } + }, + Utils: { + Linear: function (p0, p1, t) { + return (p1 - p0) * t + p0; + }, + Bernstein: function (n, i) { + var fc = Interpolation.Utils.Factorial; + return fc(n) / fc(i) / fc(n - i); + }, + Factorial: (function () { + var a = [1]; + return function (n) { + var s = 1; + if (a[n]) { + return a[n]; + } + for (var i = n; i > 1; i--) { + s *= i; + } + a[n] = s; + return s; + }; + })(), + CatmullRom: function (p0, p1, p2, p3, t) { + var v0 = (p2 - p0) * 0.5; + var v1 = (p3 - p1) * 0.5; + var t2 = t * t; + var t3 = t * t2; + return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (-3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1; + }, + }, +}; + +/** + * Utils + */ +var Sequence = /** @class */ (function () { + function Sequence() { + } + Sequence.nextId = function () { + return Sequence._nextId++; + }; + Sequence._nextId = 0; + return Sequence; +}()); + +var mainGroup = new Group(); + +/** + * Tween.js - Licensed under the MIT license + * https://github.com/tweenjs/tween.js + * ---------------------------------------------- + * + * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors. + * Thank you all, you're awesome! + */ +var Tween = /** @class */ (function () { + function Tween(_object, _group) { + if (_group === void 0) { _group = mainGroup; } + this._object = _object; + this._group = _group; + this._isPaused = false; + this._pauseStart = 0; + this._valuesStart = {}; + this._valuesEnd = {}; + this._valuesStartRepeat = {}; + this._duration = 1000; + this._isDynamic = false; + this._initialRepeat = 0; + this._repeat = 0; + this._yoyo = false; + this._isPlaying = false; + this._reversed = false; + this._delayTime = 0; + this._startTime = 0; + this._easingFunction = Easing.Linear.None; + this._interpolationFunction = Interpolation.Linear; + // eslint-disable-next-line + this._chainedTweens = []; + this._onStartCallbackFired = false; + this._onEveryStartCallbackFired = false; + this._id = Sequence.nextId(); + this._isChainStopped = false; + this._propertiesAreSetUp = false; + this._goToEnd = false; + } + Tween.prototype.getId = function () { + return this._id; + }; + Tween.prototype.isPlaying = function () { + return this._isPlaying; + }; + Tween.prototype.isPaused = function () { + return this._isPaused; + }; + Tween.prototype.getDuration = function () { + return this._duration; + }; + Tween.prototype.to = function (target, duration) { + if (duration === void 0) { duration = 1000; } + if (this._isPlaying) + throw new Error('Can not call Tween.to() while Tween is already started or paused. Stop the Tween first.'); + this._valuesEnd = target; + this._propertiesAreSetUp = false; + this._duration = duration < 0 ? 0 : duration; + return this; + }; + Tween.prototype.duration = function (duration) { + if (duration === void 0) { duration = 1000; } + this._duration = duration < 0 ? 0 : duration; + return this; + }; + Tween.prototype.dynamic = function (dynamic) { + if (dynamic === void 0) { dynamic = false; } + this._isDynamic = dynamic; + return this; + }; + Tween.prototype.start = function (time, overrideStartingValues) { + if (time === void 0) { time = now(); } + if (overrideStartingValues === void 0) { overrideStartingValues = false; } + if (this._isPlaying) { + return this; + } + // eslint-disable-next-line + this._group && this._group.add(this); + this._repeat = this._initialRepeat; + if (this._reversed) { + // If we were reversed (f.e. using the yoyo feature) then we need to + // flip the tween direction back to forward. + this._reversed = false; + for (var property in this._valuesStartRepeat) { + this._swapEndStartRepeatValues(property); + this._valuesStart[property] = this._valuesStartRepeat[property]; + } + } + this._isPlaying = true; + this._isPaused = false; + this._onStartCallbackFired = false; + this._onEveryStartCallbackFired = false; + this._isChainStopped = false; + this._startTime = time; + this._startTime += this._delayTime; + if (!this._propertiesAreSetUp || overrideStartingValues) { + this._propertiesAreSetUp = true; + // If dynamic is not enabled, clone the end values instead of using the passed-in end values. + if (!this._isDynamic) { + var tmp = {}; + for (var prop in this._valuesEnd) + tmp[prop] = this._valuesEnd[prop]; + this._valuesEnd = tmp; + } + this._setupProperties(this._object, this._valuesStart, this._valuesEnd, this._valuesStartRepeat, overrideStartingValues); + } + return this; + }; + Tween.prototype.startFromCurrentValues = function (time) { + return this.start(time, true); + }; + Tween.prototype._setupProperties = function (_object, _valuesStart, _valuesEnd, _valuesStartRepeat, overrideStartingValues) { + for (var property in _valuesEnd) { + var startValue = _object[property]; + var startValueIsArray = Array.isArray(startValue); + var propType = startValueIsArray ? 'array' : typeof startValue; + var isInterpolationList = !startValueIsArray && Array.isArray(_valuesEnd[property]); + // If `to()` specifies a property that doesn't exist in the source object, + // we should not set that property in the object + if (propType === 'undefined' || propType === 'function') { + continue; + } + // Check if an Array was provided as property value + if (isInterpolationList) { + var endValues = _valuesEnd[property]; + if (endValues.length === 0) { + continue; + } + // Handle an array of relative values. + // Creates a local copy of the Array with the start value at the front + var temp = [startValue]; + for (var i = 0, l = endValues.length; i < l; i += 1) { + var value = this._handleRelativeValue(startValue, endValues[i]); + if (isNaN(value)) { + isInterpolationList = false; + console.warn('Found invalid interpolation list. Skipping.'); + break; + } + temp.push(value); + } + if (isInterpolationList) { + // if (_valuesStart[property] === undefined) { // handle end values only the first time. NOT NEEDED? setupProperties is now guarded by _propertiesAreSetUp. + _valuesEnd[property] = temp; + // } + } + } + // handle the deepness of the values + if ((propType === 'object' || startValueIsArray) && startValue && !isInterpolationList) { + _valuesStart[property] = startValueIsArray ? [] : {}; + var nestedObject = startValue; + for (var prop in nestedObject) { + _valuesStart[property][prop] = nestedObject[prop]; + } + // TODO? repeat nested values? And yoyo? And array values? + _valuesStartRepeat[property] = startValueIsArray ? [] : {}; + var endValues = _valuesEnd[property]; + // If dynamic is not enabled, clone the end values instead of using the passed-in end values. + if (!this._isDynamic) { + var tmp = {}; + for (var prop in endValues) + tmp[prop] = endValues[prop]; + _valuesEnd[property] = endValues = tmp; + } + this._setupProperties(nestedObject, _valuesStart[property], endValues, _valuesStartRepeat[property], overrideStartingValues); + } + else { + // Save the starting value, but only once unless override is requested. + if (typeof _valuesStart[property] === 'undefined' || overrideStartingValues) { + _valuesStart[property] = startValue; + } + if (!startValueIsArray) { + // eslint-disable-next-line + // @ts-ignore FIXME? + _valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings + } + if (isInterpolationList) { + // eslint-disable-next-line + // @ts-ignore FIXME? + _valuesStartRepeat[property] = _valuesEnd[property].slice().reverse(); + } + else { + _valuesStartRepeat[property] = _valuesStart[property] || 0; + } + } + } + }; + Tween.prototype.stop = function () { + if (!this._isChainStopped) { + this._isChainStopped = true; + this.stopChainedTweens(); + } + if (!this._isPlaying) { + return this; + } + // eslint-disable-next-line + this._group && this._group.remove(this); + this._isPlaying = false; + this._isPaused = false; + if (this._onStopCallback) { + this._onStopCallback(this._object); + } + return this; + }; + Tween.prototype.end = function () { + this._goToEnd = true; + this.update(Infinity); + return this; + }; + Tween.prototype.pause = function (time) { + if (time === void 0) { time = now(); } + if (this._isPaused || !this._isPlaying) { + return this; + } + this._isPaused = true; + this._pauseStart = time; + // eslint-disable-next-line + this._group && this._group.remove(this); + return this; + }; + Tween.prototype.resume = function (time) { + if (time === void 0) { time = now(); } + if (!this._isPaused || !this._isPlaying) { + return this; + } + this._isPaused = false; + this._startTime += time - this._pauseStart; + this._pauseStart = 0; + // eslint-disable-next-line + this._group && this._group.add(this); + return this; + }; + Tween.prototype.stopChainedTweens = function () { + for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) { + this._chainedTweens[i].stop(); + } + return this; + }; + Tween.prototype.group = function (group) { + if (group === void 0) { group = mainGroup; } + this._group = group; + return this; + }; + Tween.prototype.delay = function (amount) { + if (amount === void 0) { amount = 0; } + this._delayTime = amount; + return this; + }; + Tween.prototype.repeat = function (times) { + if (times === void 0) { times = 0; } + this._initialRepeat = times; + this._repeat = times; + return this; + }; + Tween.prototype.repeatDelay = function (amount) { + this._repeatDelayTime = amount; + return this; + }; + Tween.prototype.yoyo = function (yoyo) { + if (yoyo === void 0) { yoyo = false; } + this._yoyo = yoyo; + return this; + }; + Tween.prototype.easing = function (easingFunction) { + if (easingFunction === void 0) { easingFunction = Easing.Linear.None; } + this._easingFunction = easingFunction; + return this; + }; + Tween.prototype.interpolation = function (interpolationFunction) { + if (interpolationFunction === void 0) { interpolationFunction = Interpolation.Linear; } + this._interpolationFunction = interpolationFunction; + return this; + }; + // eslint-disable-next-line + Tween.prototype.chain = function () { + var tweens = []; + for (var _i = 0; _i < arguments.length; _i++) { + tweens[_i] = arguments[_i]; + } + this._chainedTweens = tweens; + return this; + }; + Tween.prototype.onStart = function (callback) { + this._onStartCallback = callback; + return this; + }; + Tween.prototype.onEveryStart = function (callback) { + this._onEveryStartCallback = callback; + return this; + }; + Tween.prototype.onUpdate = function (callback) { + this._onUpdateCallback = callback; + return this; + }; + Tween.prototype.onRepeat = function (callback) { + this._onRepeatCallback = callback; + return this; + }; + Tween.prototype.onComplete = function (callback) { + this._onCompleteCallback = callback; + return this; + }; + Tween.prototype.onStop = function (callback) { + this._onStopCallback = callback; + return this; + }; + /** + * @returns true if the tween is still playing after the update, false + * otherwise (calling update on a paused tween still returns true because + * it is still playing, just paused). + */ + Tween.prototype.update = function (time, autoStart) { + var _this = this; + var _a; + if (time === void 0) { time = now(); } + if (autoStart === void 0) { autoStart = true; } + if (this._isPaused) + return true; + var property; + var endTime = this._startTime + this._duration; + if (!this._goToEnd && !this._isPlaying) { + if (time > endTime) + return false; + if (autoStart) + this.start(time, true); + } + this._goToEnd = false; + if (time < this._startTime) { + return true; + } + if (this._onStartCallbackFired === false) { + if (this._onStartCallback) { + this._onStartCallback(this._object); + } + this._onStartCallbackFired = true; + } + if (this._onEveryStartCallbackFired === false) { + if (this._onEveryStartCallback) { + this._onEveryStartCallback(this._object); + } + this._onEveryStartCallbackFired = true; + } + var elapsedTime = time - this._startTime; + var durationAndDelay = this._duration + ((_a = this._repeatDelayTime) !== null && _a !== void 0 ? _a : this._delayTime); + var totalTime = this._duration + this._repeat * durationAndDelay; + var calculateElapsedPortion = function () { + if (_this._duration === 0) + return 1; + if (elapsedTime > totalTime) { + return 1; + } + var timesRepeated = Math.trunc(elapsedTime / durationAndDelay); + var timeIntoCurrentRepeat = elapsedTime - timesRepeated * durationAndDelay; + // TODO use %? + // const timeIntoCurrentRepeat = elapsedTime % durationAndDelay + var portion = Math.min(timeIntoCurrentRepeat / _this._duration, 1); + if (portion === 0 && elapsedTime === _this._duration) { + return 1; + } + return portion; + }; + var elapsed = calculateElapsedPortion(); + var value = this._easingFunction(elapsed); + // properties transformations + this._updateProperties(this._object, this._valuesStart, this._valuesEnd, value); + if (this._onUpdateCallback) { + this._onUpdateCallback(this._object, elapsed); + } + if (this._duration === 0 || elapsedTime >= this._duration) { + if (this._repeat > 0) { + var completeCount = Math.min(Math.trunc((elapsedTime - this._duration) / durationAndDelay) + 1, this._repeat); + if (isFinite(this._repeat)) { + this._repeat -= completeCount; + } + // Reassign starting values, restart by making startTime = now + for (property in this._valuesStartRepeat) { + if (!this._yoyo && typeof this._valuesEnd[property] === 'string') { + this._valuesStartRepeat[property] = + // eslint-disable-next-line + // @ts-ignore FIXME? + this._valuesStartRepeat[property] + parseFloat(this._valuesEnd[property]); + } + if (this._yoyo) { + this._swapEndStartRepeatValues(property); + } + this._valuesStart[property] = this._valuesStartRepeat[property]; + } + if (this._yoyo) { + this._reversed = !this._reversed; + } + this._startTime += durationAndDelay * completeCount; + if (this._onRepeatCallback) { + this._onRepeatCallback(this._object); + } + this._onEveryStartCallbackFired = false; + return true; + } + else { + if (this._onCompleteCallback) { + this._onCompleteCallback(this._object); + } + for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) { + // Make the chained tweens start exactly at the time they should, + // even if the `update()` method was called way past the duration of the tween + this._chainedTweens[i].start(this._startTime + this._duration, false); + } + this._isPlaying = false; + return false; + } + } + return true; + }; + Tween.prototype._updateProperties = function (_object, _valuesStart, _valuesEnd, value) { + for (var property in _valuesEnd) { + // Don't update properties that do not exist in the source object + if (_valuesStart[property] === undefined) { + continue; + } + var start = _valuesStart[property] || 0; + var end = _valuesEnd[property]; + var startIsArray = Array.isArray(_object[property]); + var endIsArray = Array.isArray(end); + var isInterpolationList = !startIsArray && endIsArray; + if (isInterpolationList) { + _object[property] = this._interpolationFunction(end, value); + } + else if (typeof end === 'object' && end) { + // eslint-disable-next-line + // @ts-ignore FIXME? + this._updateProperties(_object[property], start, end, value); + } + else { + // Parses relative end values with start as base (e.g.: +10, -3) + end = this._handleRelativeValue(start, end); + // Protect against non numeric properties. + if (typeof end === 'number') { + // eslint-disable-next-line + // @ts-ignore FIXME? + _object[property] = start + (end - start) * value; + } + } + } + }; + Tween.prototype._handleRelativeValue = function (start, end) { + if (typeof end !== 'string') { + return end; + } + if (end.charAt(0) === '+' || end.charAt(0) === '-') { + return start + parseFloat(end); + } + return parseFloat(end); + }; + Tween.prototype._swapEndStartRepeatValues = function (property) { + var tmp = this._valuesStartRepeat[property]; + var endValue = this._valuesEnd[property]; + if (typeof endValue === 'string') { + this._valuesStartRepeat[property] = this._valuesStartRepeat[property] + parseFloat(endValue); + } + else { + this._valuesStartRepeat[property] = this._valuesEnd[property]; + } + this._valuesEnd[property] = tmp; + }; + return Tween; +}()); + +var VERSION = '23.1.1'; + +/** + * Tween.js - Licensed under the MIT license + * https://github.com/tweenjs/tween.js + * ---------------------------------------------- + * + * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors. + * Thank you all, you're awesome! + */ +var nextId = Sequence.nextId; +/** + * Controlling groups of tweens + * + * Using the TWEEN singleton to manage your tweens can cause issues in large apps with many components. + * In these cases, you may want to create your own smaller groups of tweens. + */ +var TWEEN = mainGroup; +// This is the best way to export things in a way that's compatible with both ES +// Modules and CommonJS, without build hacks, and so as not to break the +// existing API. +// https://github.com/rollup/rollup/issues/1961#issuecomment-423037881 +var getAll = TWEEN.getAll.bind(TWEEN); +var removeAll = TWEEN.removeAll.bind(TWEEN); +var add = TWEEN.add.bind(TWEEN); +var remove = TWEEN.remove.bind(TWEEN); +var update = TWEEN.update.bind(TWEEN); +var exports = { + Easing: Easing, + Group: Group, + Interpolation: Interpolation, + now: now, + Sequence: Sequence, + nextId: nextId, + Tween: Tween, + VERSION: VERSION, + getAll: getAll, + removeAll: removeAll, + add: add, + remove: remove, + update: update, +}; + +export { Easing, Group, Interpolation, Sequence, Tween, VERSION, add, exports as default, getAll, nextId, now, remove, removeAll, update }; diff --git a/node_modules/three/examples/jsm/libs/utif.module.js b/node_modules/three/examples/jsm/libs/utif.module.js new file mode 100644 index 0000000..9a655bd --- /dev/null +++ b/node_modules/three/examples/jsm/libs/utif.module.js @@ -0,0 +1,1665 @@ +var UTIF = {}; + +// Following lines add a JPEG decoder to UTIF.JpegDecoder +(function(){"use strict";var W=function a1(){function W(p){this.message="JPEG error: "+p}W.prototype=new Error;W.prototype.name="JpegError";W.constructor=W;return W}(),ak=function ag(){var p=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]),t=4017,ac=799,ah=3406,ao=2276,ar=1567,ai=3784,s=5793,ad=2896;function ak(Q){if(Q==null)Q={};if(Q.w==null)Q.w=-1;this.V=Q.n;this.N=Q.w}function a5(Q,h){var f=0,G=[],n,E,a=16,F;while(a>0&&!Q[a-1]){a--}G.push({children:[],index:0});var C=G[0];for(n=0;n0){C=G.pop()}C.index++;G.push(C);while(G.length<=n){G.push(F={children:[],index:0});C.children[C.index]=F.children;C=F}f++}if(n+10){V--;return J>>V&1}J=Q[h++];if(J===255){var I=Q[h++];if(I){if(I===220&&d){h+=2;var l=Z(Q,h);h+=2;if(l>0&&l!==f.s){throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data",l)}}else if(I===217){if(d){var M=q*8; +if(M>0&&M>>7}function u(I){var l=I;while(!0){l=l[Y()];switch(typeof l){case"number":return l;case"object":continue}throw new W("invalid huffman sequence")}}function m(I){var e=0;while(I>0){e=e<<1|Y();I--}return e}function j(I){if(I===1){return Y()===1?1:-1}var e=m(I);if(e>=1<>4;if(i===0){if(A<15){break}N+=16;continue}N+=A;var o=p[N];X.D[I+o]=j(i);N++}}function $(X,I){var l=u(X.J),M=l===0?0:j(l)<0){r--;return}var N=E,l=a;while(N<=l){var M=u(X.i),S=M&15,i=M>>4;if(S===0){if(i<15){r=m(i)+(1<>4;if(S===0){if(M<15){r=m(M)+(1<0){for(O=0;O0?"unexpected":"excessive";h=k.offset}if(k.M>=65488&&k.M<=65495){h+=2}else{break}}return h-z}function al(Q,h,f){var G=Q.$,n=Q.D,E,a,C,F,d,T,U,z,J,V,Y,u,m,j,v,$,b;if(!G){throw new W("missing required Quantization Table.")}for(var r=0;r<64;r+=8){J=n[h+r];V=n[h+r+1];Y=n[h+r+2];u=n[h+r+3];m=n[h+r+4];j=n[h+r+5];v=n[h+r+6];$=n[h+r+7];J*=G[r];if((V|Y|u|m|j|v|$)===0){b=s*J+512>>10;f[r]=b;f[r+1]=b;f[r+2]=b;f[r+3]=b;f[r+4]=b;f[r+5]=b;f[r+6]=b;f[r+7]=b;continue}V*=G[r+1];Y*=G[r+2];u*=G[r+3];m*=G[r+4];j*=G[r+5];v*=G[r+6];$*=G[r+7];E=s*J+128>>8;a=s*m+128>>8;C=Y;F=v;d=ad*(V-$)+128>>8;z=ad*(V+$)+128>>8; 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+for(var n=0,E=Q.length;n4){throw new W("Unsupported color mode")}var E=this.Y(h,f,n);if(this.p===1&&G){var a=E.length,C=new Uint8ClampedArray(a*3),F=0;for(var d=0;d>24}function Z(p,t){return p[t]<<8|p[t+1]}function am(p,t){return(p[t]<<24|p[t+1]<<16|p[t+2]<<8|p[t+3])>>>0}UTIF.JpegDecoder=ak}()); + +//UTIF.JpegDecoder = PDFJS.JpegImage; + + +UTIF.encodeImage = function(rgba, w, h, metadata) +{ + var idf = { "t256":[w], "t257":[h], "t258":[8,8,8,8], "t259":[1], "t262":[2], "t273":[1000], // strips offset + "t277":[4], "t278":[h], /* rows per strip */ "t279":[w*h*4], // strip byte counts + "t282":[[72,1]], "t283":[[72,1]], "t284":[1], "t286":[[0,1]], "t287":[[0,1]], "t296":[1], "t305": ["Photopea (UTIF.js)"], "t338":[1] + }; + if (metadata) for (var i in metadata) idf[i] = metadata[i]; + + var prfx = new Uint8Array(UTIF.encode([idf])); + var img = new Uint8Array(rgba); + var data = new Uint8Array(1000+w*h*4); + for(var i=0; i probably not an image + img.isLE = id=="II"; + img.width = img["t256"][0]; //delete img["t256"]; + img.height = img["t257"][0]; //delete img["t257"]; + + var cmpr = img["t259"] ? img["t259"][0] : 1; //delete img["t259"]; + var fo = img["t266"] ? img["t266"][0] : 1; //delete img["t266"]; + if(img["t284"] && img["t284"][0]==2) log("PlanarConfiguration 2 should not be used!"); + if(cmpr==7 && img["t258"] && img["t258"].length>3) img["t258"]=img["t258"].slice(0,3); + + var spp = img["t277"]?img["t277"][0]:1; + var bps = img["t258"]?img["t258"][0]:1; + var bipp = bps*spp; // bits per pixel + /* + var bipp; // bits per pixel + if(img["t258"]) bipp = Math.min(32,img["t258"][0])*img["t258"].length; + else bipp = (img["t277"]?img["t277"][0]:1); + */ + // Some .NEF files have t258==14, even though they use 16 bits per pixel + if(cmpr==1 && img["t279"]!=null && img["t278"] && img["t262"][0]==32803) { + bipp = Math.round((img["t279"][0]*8)/(img.width*img["t278"][0])); + } + if(img["t50885"] && img["t50885"][0]==4) bipp = img["t258"][0]*3; // RAW_CANON_40D_SRAW_V103.CR2 + var bipl = Math.ceil(img.width*bipp/8)*8; + var soff = img["t273"]; if(soff==null || img["t322"]) soff = img["t324"]; + var bcnt = img["t279"]; if(cmpr==1 && soff.length==1) bcnt = [img.height*(bipl>>>3)]; if(bcnt==null || img["t322"]) bcnt = img["t325"]; + //bcnt[0] = Math.min(bcnt[0], data.length); // Hasselblad, "RAW_HASSELBLAD_H3D39II.3FR" + var bytes = new Uint8Array(img.height*(bipl>>>3)), bilen = 0; + + if(img["t322"]!=null) // tiled + { + var tw = img["t322"][0], th = img["t323"][0]; + var tx = Math.floor((img.width + tw - 1) / tw); + var ty = Math.floor((img.height + th - 1) / th); + var tbuff = new Uint8Array(Math.ceil(tw*th*bipp/8)|0); + console.log("====", tx,ty); + for(var y=0; y>>3, bpl = Math.ceil(bps*noc*w/8); + + // convert to Little Endian /* + if(bps==16 && !img.isLE && img["t33422"]==null) // not DNG + for(var y=0; y>>8)&255; + } + else if(noc==3) for(var j= 3; j> 3 ^ 0x3ff0; + return (buffer[byte] | buffer[byte + 1] << 8) >> (vpos & 7) & ~((-1) << bits); + } + } + // Raw Format 6 + function getBufferDataRW6(i) { + return buffer[vpos + 15 - i]; + } + function readPageRW6() { + bytes[0] = (getBufferDataRW6(0) << 6) | (getBufferDataRW6(1) >> 2); // 14 bit + bytes[1] = (((getBufferDataRW6(1) & 0x3) << 12) | (getBufferDataRW6(2) << 4) | (getBufferDataRW6(3) >> 4)) & 0x3fff; + bytes[2] = (getBufferDataRW6(3) >> 2) & 0x3; + bytes[3] = ((getBufferDataRW6(3) & 0x3) << 8) | getBufferDataRW6(4); + bytes[4] = (getBufferDataRW6(5) << 2) | (getBufferDataRW6(6) >> 6); + bytes[5] = ((getBufferDataRW6(6) & 0x3f) << 4) | (getBufferDataRW6(7) >> 4); + bytes[6] = (getBufferDataRW6(7) >> 2) & 0x3; + bytes[7] = ((getBufferDataRW6(7) & 0x3) << 8) | getBufferDataRW6(8); + bytes[8] = ((getBufferDataRW6(9) << 2) & 0x3fc) | (getBufferDataRW6(10) >> 6); + bytes[9] = ((getBufferDataRW6(10) << 4) | (getBufferDataRW6(11) >> 4)) & 0x3ff; + bytes[10] = (getBufferDataRW6(11) >> 2) & 0x3; + bytes[11] = ((getBufferDataRW6(11) & 0x3) << 8) | getBufferDataRW6(12); + bytes[12] = (((getBufferDataRW6(13) << 2) & 0x3fc) | getBufferDataRW6(14) >> 6) & 0x3ff; + bytes[13] = ((getBufferDataRW6(14) << 4) | (getBufferDataRW6(15) >> 4)) & 0x3ff; + vpos += 16; + byte = 0; + } + function readPageRw6_bps12() { + bytes[0] = (getBufferDataRW6(0) << 4) | (getBufferDataRW6(1) >> 4); + bytes[1] = (((getBufferDataRW6(1) & 0xf) << 8) | (getBufferDataRW6(2))) & 0xfff; + bytes[2] = (getBufferDataRW6(3) >> 6) & 0x3; + bytes[3] = ((getBufferDataRW6(3) & 0x3f) << 2) | (getBufferDataRW6(4) >> 6); + bytes[4] = ((getBufferDataRW6(4) & 0x3f) << 2) | (getBufferDataRW6(5) >> 6); + bytes[5] = ((getBufferDataRW6(5) & 0x3f) << 2) | (getBufferDataRW6(6) >> 6); + bytes[6] = (getBufferDataRW6(6) >> 4) & 0x3; + bytes[7] = ((getBufferDataRW6(6) & 0xf) << 4) | (getBufferDataRW6(7) >> 4); + bytes[8] = ((getBufferDataRW6(7) & 0xf) << 4) | (getBufferDataRW6(8) >> 4); + bytes[9] = ((getBufferDataRW6(8) & 0xf) << 4) | (getBufferDataRW6(9) >> 4); + bytes[10] = (getBufferDataRW6(9) >> 2) & 0x3; + bytes[11] = ((getBufferDataRW6(9) & 0x3) << 6) | (getBufferDataRW6(10) >> 2); + bytes[12] = ((getBufferDataRW6(10) & 0x3) << 6) | (getBufferDataRW6(11) >> 2); + bytes[13] = ((getBufferDataRW6(11) & 0x3) << 6) | (getBufferDataRW6(12) >> 2); + bytes[14] = getBufferDataRW6(12) & 0x3; + bytes[15] = getBufferDataRW6(13); + bytes[16] = getBufferDataRW6(14); + bytes[17] = getBufferDataRW6(15); + + vpos += 16; + byte = 0; + } + // Main loop + function resetPredNonzeros(){ + pred[0]=0; pred[1]=0; + nonz[0]=0; nonz[1]=0; + } + if (RW2_Format == 7) { + throw RW2_Format; + + // Skatch of version 7 + /* + var pixels_per_block = bitsPerSample == 14 ? 9 : 10; + rowbytes = 0|(rawWidth / pixels_per_block * 16); + for (row = 0; row < rawHeight - 15; row += 16) { + var rowstoread = Math.min(16, rawHeight - row); + var readlen = rowbytes*rowstoread; + buffer = new Uint8Array(image.slice(bidx, bidx+readlen)); + vpos = 0; + bidx += readlen; + i = 0; + for (crow = 0; crow < rowstoread; crow++) { + idx = (row + crow) * rawWidth; + for (col = 0; col <= rawWidth - pixels_per_block; col += pixels_per_block) { + for(j=0; j < pixels_per_block; j++) bytes[j] = buffer[i++]; + if (bitsPerSample == 12) { + result[idx ] = ((bytes[1] & 0xF) << 8) + bytes[0]; + result[idx + 1] = 16 * bytes[2] + (bytes[1] >> 4); + result[idx + 2] = ((bytes[4] & 0xF) << 8) + bytes[3]; + result[idx + 3] = 16 * bytes[5] + (bytes[4] >> 4); + result[idx + 4] = ((bytes[7] & 0xF) << 8) + bytes[6]; + result[idx + 5] = 16 * bytes[8] + (bytes[7] >> 4); + result[idx + 6] = ((bytes[10] & 0xF) << 8) + bytes[9]; + result[idx + 7] = 16 * bytes[11] + (bytes[10] >> 4); + result[idx + 8] = ((bytes[13] & 0xF) << 8) + bytes[12]; + result[idx + 9] = 16 * bytes[14] + (bytes[13] >> 4); + } else if (bitsPerSample == 14) { + result[idx] = bytes[0] + ((bytes[1] & 0x3F) << 8); + result[idx + 1] = (bytes[1] >> 6) + 4 * (bytes[2]) + ((bytes[3] & 0xF) << 10); + result[idx + 2] = (bytes[3] >> 4) + 16 * (bytes[4]) + ((bytes[5] & 3) << 12); + result[idx + 3] = ((bytes[5] & 0xFC) >> 2) + (bytes[6] << 6); + result[idx + 4] = bytes[7] + ((bytes[8] & 0x3F) << 8); + result[idx + 5] = (bytes[8] >> 6) + 4 * bytes[9] + ((bytes[10] & 0xF) << 10); + result[idx + 6] = (bytes[10] >> 4) + 16 * bytes[11] + ((bytes[12] & 3) << 12); + result[idx + 7] = ((bytes[12] & 0xFC) >> 2) + (bytes[13] << 6); + result[idx + 8] = bytes[14] + ((bytes[15] & 0x3F) << 8); + } + } + } + } + */ + } + else if(RW2_Format == 6) { + var is12bit = bitsPerSample == 12, + readPageRw6Fn = is12bit ? readPageRw6_bps12 : readPageRW6, + pixelsPerBlock = is12bit ? 14 : 11, + pixelbase0 = is12bit ? 0x80 : 0x200, + pixelbase_compare = is12bit ? 0x800 : 0x2000, + spix_compare = is12bit ? 0x3fff : 0xffff, + pixel_mask = is12bit ? 0xfff : 0x3fff, + blocksperrow = rawWidth / pixelsPerBlock, + rowbytes = blocksperrow * 16, + bufferSize = is12bit ? 18 : 14; + + for (row = 0; row < rawHeight - 15; row += 16) { + var rowstoread = Math.min(16, rawHeight - row); + var readlen = rowbytes*rowstoread; + buffer = new Uint8Array(img_buffer, off+bidx, readlen);//new Uint8Array(image.slice(bidx, bidx+readlen)); + vpos = 0; + bidx += readlen; + for (crow = 0, col = 0; crow < rowstoread; crow++, col = 0) { + idx = (row + crow) * rawWidth; + for (var rblock = 0; rblock < blocksperrow; rblock++) { + readPageRw6Fn(); + resetPredNonzeros(); + sh=0; pixel_base=0; + for (i = 0; i < pixelsPerBlock; i++){ + isOdd = i & 1; + if (i % 3 == 2) { + var base = byte < bufferSize ? bytes[byte++] : 0; + if (base == 3) base = 4; + pixel_base = pixelbase0 << base; + sh = 1 << base; + } + var epixel = byte < bufferSize ? bytes[byte++] : 0; + if (pred[isOdd]) { + epixel *= sh; + if (pixel_base < pixelbase_compare && nonz[isOdd] > pixel_base) + epixel += nonz[isOdd] - pixel_base; + nonz[isOdd] = epixel; + } else { + pred[isOdd] = epixel; + if (epixel) + nonz[isOdd] = epixel; + else + epixel = nonz[isOdd]; + } + result[idx + col++] = (epixel - 0xf) <= spix_compare ? (epixel - 0xf) & spix_compare : ((epixel + 0x7ffffff1) >> 0x1f) & pixel_mask; + } + } + } + } + } + else if (RW2_Format == 5) { + var blockSize = bitsPerSample == 12 ? 10 : 9; + for (row = 0; row < rawHeight; row++) { + for (col = 0; col < rawWidth; col+=blockSize) { + getDataRaw(0); + // Tuhle podminku pouziva i RW2_Format 7 + if (bitsPerSample == 12) { + result[idx++] = ((bytes[1] & 0xF) << 8) + bytes[0]; + result[idx++] = 16 * bytes[2] + (bytes[1] >> 4); + result[idx++] = ((bytes[4] & 0xF) << 8) + bytes[3]; + result[idx++] = 16 * bytes[5] + (bytes[4] >> 4); + result[idx++] = ((bytes[7] & 0xF) << 8) + bytes[6]; + result[idx++] = 16 * bytes[8] + (bytes[7] >> 4); + result[idx++] = ((bytes[10] & 0xF) << 8) + bytes[9]; + result[idx++] = 16 * bytes[11] + (bytes[10] >> 4); + result[idx++] = ((bytes[13] & 0xF) << 8) + bytes[12]; + result[idx++] = 16 * bytes[14] + (bytes[13] >> 4); + } else if (bitsPerSample == 14) { + result[idx++] = bytes[0] + ((bytes[1] & 0x3F) << 8); + result[idx++] = (bytes[1] >> 6) + 4 * (bytes[2]) + ((bytes[3] & 0xF) << 10); + result[idx++] = (bytes[3] >> 4) + 16 * (bytes[4]) + ((bytes[5] & 3) << 12); + result[idx++] = ((bytes[5] & 0xFC) >> 2) + (bytes[6] << 6); + result[idx++] = bytes[7] + ((bytes[8] & 0x3F) << 8); + result[idx++] = (bytes[8] >> 6) + 4 * bytes[9] + ((bytes[10] & 0xF) << 10); + result[idx++] = (bytes[10] >> 4) + 16 * bytes[11] + ((bytes[12] & 3) << 12); + result[idx++] = ((bytes[12] & 0xFC) >> 2) + (bytes[13] << 6); + result[idx++] = bytes[14] + ((bytes[15] & 0x3F) << 8); + } + } + } + //console.log(result[1000000 - 1]) + } else if(RW2_Format == 4) { + for (row = 0; row < rawHeight; row++){ + for(col = 0; col < rawWidth; col++){ + i = col % 14; + isOdd = i & 1; + if (i==0) resetPredNonzeros(); + if (i%3 == 2) + sh = 4 >> (3 - getDataRaw(2)); + if (nonz[isOdd]) { + j = getDataRaw(8); + if(j != 0){ + pred[isOdd] -= 0x80 << sh; + if (pred[isOdd] < 0 || sh == 4) + pred[isOdd] &= ~((-1) << sh); + pred[isOdd] += j << sh; + } + } else { + nonz[isOdd] = getDataRaw(8); + if(nonz[isOdd] || i > 11) + pred[isOdd] = nonz[isOdd] << 4 | getDataRaw(4); + } + result[idx++] = pred[col & 1]; + } + } + } + else throw RW2_Format; + } + + +UTIF.decode._decodeVC5 = function(){var x=[1,0,1,0,2,2,1,1,3,7,1,2,5,25,1,3,6,48,1,4,6,54,1,5,7,111,1,8,7,99,1,6,7,105,12,0,7,107,1,7,8,209,20,0,8,212,1,9,8,220,1,10,9,393,1,11,9,394,32,0,9,416,1,12,9,427,1,13,10,887,1,18,10,784,1,14,10,790,1,15,10,835,60,0,10,852,1,16,10,885,1,17,11,1571,1,19,11,1668,1,20,11,1669,100,0,11,1707,1,21,11,1772,1,22,12,3547,1,29,12,3164,1,24,12,3166,1,25,12,3140,1,23,12,3413,1,26,12,3537,1,27,12,3539,1,28,13,7093,1,35,13,6283,1,30,13,6331,1,31,13,6335,180,0,13,6824,1,32,13,7072,1,33,13,7077,320,0,13,7076,1,34,14,12565,1,36,14,12661,1,37,14,12669,1,38,14,13651,1,39,14,14184,1,40,15,28295,1,46,15,28371,1,47,15,25320,1,42,15,25336,1,43,15,25128,1,41,15,27300,1,44,15,28293,1,45,16,50259,1,48,16,50643,1,49,16,50675,1,50,16,56740,1,53,16,56584,1,51,16,56588,1,52,17,113483,1,61,17,113482,1,60,17,101285,1,55,17,101349,1,56,17,109205,1,57,17,109207,1,58,17,100516,1,54,17,113171,1,59,18,202568,1,62,18,202696,1,63,18,218408,1,64,18,218412,1,65,18,226340,1,66,18,226356,1,67,18,226358,1,68,19,402068,1,69,19,405138,1,70,19,405394,1,71,19,436818,1,72,19,436826,1,73,19,452714,1,75,19,452718,1,76,19,452682,1,74,20,804138,1,77,20,810279,1,78,20,810790,1,79,20,873638,1,80,20,873654,1,81,20,905366,1,82,20,905430,1,83,20,905438,1,84,21,1608278,1,85,21,1620557,1,86,21,1621582,1,87,21,1621583,1,88,21,1747310,1,89,21,1810734,1,90,21,1810735,1,91,21,1810863,1,92,21,1810879,1,93,22,3621725,1,99,22,3621757,1,100,22,3241112,1,94,22,3494556,1,95,22,3494557,1,96,22,3494622,1,97,22,3494623,1,98,23,6482227,1,102,23,6433117,1,101,23,6989117,1,103,23,6989119,1,105,23,6989118,1,104,23,7243449,1,106,23,7243512,1,107,24,13978233,1,111,24,12964453,1,109,24,12866232,1,108,24,14486897,1,113,24,13978232,1,110,24,14486896,1,112,24,14487026,1,114,24,14487027,1,115,25,25732598,1,225,25,25732597,1,189,25,25732596,1,188,25,25732595,1,203,25,25732594,1,202,25,25732593,1,197,25,25732592,1,207,25,25732591,1,169,25,25732590,1,223,25,25732589,1,159,25,25732522,1,235,25,25732579,1,152,25,25732575,1,192,25,25732489,1,179,25,25732573,1,201,25,25732472,1,172,25,25732576,1,149,25,25732488,1,178,25,25732566,1,120,25,25732571,1,219,25,25732577,1,150,25,25732487,1,127,25,25732506,1,211,25,25732548,1,125,25,25732588,1,158,25,25732486,1,247,25,25732467,1,238,25,25732508,1,163,25,25732552,1,228,25,25732603,1,183,25,25732513,1,217,25,25732587,1,168,25,25732520,1,122,25,25732484,1,128,25,25732562,1,249,25,25732505,1,187,25,25732504,1,186,25,25732483,1,136,25,25928905,1,181,25,25732560,1,255,25,25732500,1,230,25,25732482,1,135,25,25732555,1,233,25,25732568,1,222,25,25732583,1,145,25,25732481,1,134,25,25732586,1,167,25,25732521,1,248,25,25732518,1,209,25,25732480,1,243,25,25732512,1,216,25,25732509,1,164,25,25732547,1,140,25,25732479,1,157,25,25732544,1,239,25,25732574,1,191,25,25732564,1,251,25,25732478,1,156,25,25732546,1,139,25,25732498,1,242,25,25732557,1,133,25,25732477,1,162,25,25732515,1,213,25,25732584,1,165,25,25732514,1,212,25,25732476,1,227,25,25732494,1,198,25,25732531,1,236,25,25732530,1,234,25,25732529,1,117,25,25732528,1,215,25,25732527,1,124,25,25732526,1,123,25,25732525,1,254,25,25732524,1,253,25,25732523,1,148,25,25732570,1,218,25,25732580,1,146,25,25732581,1,147,25,25732569,1,224,25,25732533,1,143,25,25732540,1,184,25,25732541,1,185,25,25732585,1,166,25,25732556,1,132,25,25732485,1,129,25,25732563,1,250,25,25732578,1,151,25,25732501,1,119,25,25732502,1,193,25,25732536,1,176,25,25732496,1,245,25,25732553,1,229,25,25732516,1,206,25,25732582,1,144,25,25732517,1,208,25,25732558,1,137,25,25732543,1,241,25,25732466,1,237,25,25732507,1,190,25,25732542,1,240,25,25732551,1,131,25,25732554,1,232,25,25732565,1,252,25,25732475,1,171,25,25732493,1,205,25,25732492,1,204,25,25732491,1,118,25,25732490,1,214,25,25928904,1,180,25,25732549,1,126,25,25732602,1,182,25,25732539,1,175,25,25732545,1,141,25,25732559,1,138,25,25732537,1,177,25,25732534,1,153,25,25732503,1,194,25,25732606,1,160,25,25732567,1,121,25,25732538,1,174,25,25732497,1,246,25,25732550,1,130,25,25732572,1,200,25,25732474,1,170,25,25732511,1,221,25,25732601,1,196,25,25732532,1,142,25,25732519,1,210,25,25732495,1,199,25,25732605,1,155,25,25732535,1,154,25,25732499,1,244,25,25732510,1,220,25,25732600,1,195,25,25732607,1,161,25,25732604,1,231,25,25732473,1,173,25,25732599,1,226,26,51465122,1,116,26,51465123,0,1],o,C,k,P=[3,3,3,3,2,2,2,1,1,1],V=24576,ar=16384,H=8192,az=ar|H; +function d(t){var E=t[1],h=t[0][E>>>3]>>>7-(E&7)&1;t[1]++;return h}function ag(t,E){if(o==null){o={}; +for(var h=0;h>>1}return t}function A(t,E){return t>>E}function O(t,E,h,L,g,n){E[h]=A(A(11*t[g]-4*t[g+n]+t[g+n+n]+4,3)+t[L],1); +E[h+n]=A(A(5*t[g]+4*t[g+n]-t[g+n+n]+4,3)-t[L],1)}function J(t,E,h,L,g,n){var W=t[g-n]-t[g+n],j=t[g],$=t[L]; +E[h]=A(A(W+4,3)+j+$,1);E[h+n]=A(A(-W+4,3)+j-$,1)}function y(t,E,h,L,g,n){E[h]=A(A(5*t[g]+4*t[g-n]-t[g-n-n]+4,3)+t[L],1); +E[h+n]=A(A(11*t[g]-4*t[g-n]+t[g-n-n]+4,3)-t[L],1)}function q(t){t=t<0?0:t>4095?4095:t;t=k[t]>>>2;return t}function av(t,E,h,L,g,n){L=new Uint16Array(L.buffer); +var W=Date.now(),j=UTIF._binBE,$=E+h,r,u,X,I,ax,a3,R,ai,aa,ap,ah,ae,aD,al,i,aE,T,B;E+=4;var a5=n[0]==1; +while(E<$){var S=j.readShort(t,E),s=j.readUshort(t,E+2);E+=4;if(S==12)r=s;else if(S==20)u=s;else if(S==21)X=s; +else if(S==48)I=s;else if(S==53)ax=s;else if(S==35)a3=s;else if(S==62)R=s;else if(S==101)ai=s;else if(S==109)aa=s; +else if(S==84)ap=s;else if(S==106)ah=s;else if(S==107)ae=s;else if(S==108)aD=s;else if(S==102)al=s;else if(S==104)i=s; +else if(S==105)aE=s;else{var F=S<0?-S:S,D=F&65280,_=0;if(F&az){if(F&H){_=s&65535;_+=(F&255)<<16}else{_=s&65535}}if((F&V)==V){if(T==null){T=[]; +for(var M=0;M<4;M++)T[M]=new Int16Array((u>>>1)*(X>>>1));B=new Int16Array((u>>>1)*(X>>>1));C=new Int16Array(1024); +for(var M=0;M<1024;M++){var aG=M-512,p=Math.abs(aG),r=Math.floor(768*p*p*p/(255*255*255))+p;C[M]=Math.sign(aG)*r}k=new Uint16Array(4096); +var aA=(1<<16)-1;for(var M=0;M<4096;M++){var at=M,a1=aA*(Math.pow(113,at/4095)-1)/112;k[M]=Math.min(a1,aA)}}var w=T[R],v=m(u,1+P[I]),N=m(X,1+P[I]); +if(I==0){for(var b=0;b>>1)+G]=t[c]<<8|t[c+1]}}else{var a7=[t,E*8],a4=[],ay=0,aw=v*N,f=[0,0],Q=0,s=0; +while(ay0){a4[ay++]=s;Q--}}var l=(I-1)%3,aF=l!=1?v:0,a2=l!=0?N:0; +for(var b=0;b>>1)+aF,au=b*v;for(var G=0;G>>1,an=v*2,a9=N*2; +for(var b=0;b>14-K*2&3;var a6=aC[aB];if(a6!=0)for(var b=0;b>>1)*(u>>>1)+(G>>>1),z=a8[c],ao=ab[c]-2048,ak=aq[c]-2048,ad=as[c]-2048,aj=(ao<<1)+z,a0=(ak<<1)+z,aH=z+ad,am=z-ad; +if(a5){L[U]=q(aH);L[U+1]=q(a0);L[U+u]=q(aj);L[U+u+1]=q(am)}else{L[U]=q(aj);L[U+1]=q(aH);L[U+u]=q(am); +L[U+u+1]=q(a0)}}}E+=_*4}else if(F==16388){E+=_*4}else if(D==8192||D==8448||D==9216){}else throw F.toString(16)}}console.log(Date.now()-W)}return av}() + + + +UTIF.decode._decodeLogLuv32 = function(img, data, off, len, tgt, toff) { + var w = img.width, qw=w*4; + var io = 0, out = new Uint8Array(qw); + + while(io>> (tab[i] >>> 8); + for(var c=0; c>>4); tgt[toff+i+1]=(b0<<4)|(b2>>>4); tgt[toff+i+2]=(b2<<4)|(b1>>>4); } + return; + } + + var pix = new Uint16Array(16); + var row, col, val, max, min, imax, imin, sh, bit, i, dp; + + var data = new Uint8Array(raw_width+1); + for (row=0; row < height; row++) { + //fread (data, 1, raw_width, ifp); + for(var j=0; j>> 11); + imax = 0x0f & (val >>> 22); + imin = 0x0f & (val >>> 26); + for (sh=0; sh < 4 && 0x80 << sh <= max-min; sh++); + for (bit=30, i=0; i < 16; i++) + if (i == imax) pix[i] = max; + else if (i == imin) pix[i] = min; + else { + pix[i] = ((bin.readUshort(data, dp+(bit >> 3)) >>> (bit & 7) & 0x7f) << sh) + min; + if (pix[i] > 0x7ff) pix[i] = 0x7ff; + bit += 7; + } + for (i=0; i < 16; i++, col+=2) { + //RAW(row,col) = curve[pix[i] << 1] >> 2; + var clr = pix[i]<<1; //clr = 0xffff; + UTIF.decode._putsF(tgt, (row*raw_width+col)*tiff_bps, clr<<(16-tiff_bps)); + } + col -= col & 1 ? 1:31; + } + } +} + +UTIF.decode._decodeNikon = function(img,imgs, data, off, src_length, tgt, toff) +{ + var nikon_tree = [ + [ 0, 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy */ + 5,4,3,6,2,7,1,0,8,9,11,10,12 ], + [ 0, 0,1,5,1,1,1,1,1,1,2,0,0,0,0,0,0, /* 12-bit lossy after split */ + 0x39,0x5a,0x38,0x27,0x16,5,4,3,2,1,0,11,12,12 ], + [ 0, 0,1,4,2,3,1,2,0,0,0,0,0,0,0,0,0, /* 12-bit lossless */ + 5,4,6,3,7,2,8,1,9,0,10,11,12 ], + [ 0, 0,1,4,3,1,1,1,1,1,2,0,0,0,0,0,0, /* 14-bit lossy */ + 5,6,4,7,8,3,9,2,1,0,10,11,12,13,14 ], + [ 0, 0,1,5,1,1,1,1,1,1,1,2,0,0,0,0,0, /* 14-bit lossy after split */ + 8,0x5c,0x4b,0x3a,0x29,7,6,5,4,3,2,1,0,13,14 ], + [ 0, 0,1,4,2,2,3,1,2,0,0,0,0,0,0,0,0, /* 14-bit lossless */ + 7,6,8,5,9,4,10,3,11,12,2,0,1,13,14 ] ]; + + var raw_width = img["t256"][0], height=img["t257"][0], tiff_bps=img["t258"][0]; + + var tree = 0, split = 0; + var make_decoder = UTIF.decode._make_decoder; + var getbithuff = UTIF.decode._getbithuff; + + var mn = imgs[0].exifIFD.makerNote, md = mn["t150"]?mn["t150"]:mn["t140"], mdo=0; //console.log(mn,md); + //console.log(md[0].toString(16), md[1].toString(16), tiff_bps); + var ver0 = md[mdo++], ver1 = md[mdo++]; + if (ver0 == 0x49 || ver1 == 0x58) mdo+=2110; + if (ver0 == 0x46) tree = 2; + if (tiff_bps == 14) tree += 3; + + var vpred = [[0,0],[0,0]], bin=(img.isLE ? UTIF._binLE : UTIF._binBE); + for(var i=0; i<2; i++) for(var j=0; j<2; j++) { vpred[i][j] = bin.readShort(md,mdo); mdo+=2; } // not sure here ... [i][j] or [j][i] + //console.log(vpred); + + + var max = 1 << tiff_bps & 0x7fff, step=0; + var csize = bin.readShort(md,mdo); mdo+=2; + if (csize > 1) step = Math.floor(max / (csize-1)); + if (ver0 == 0x44 && ver1 == 0x20 && step > 0) split = bin.readShort(md,562); + + + var i; + var row, col; + var len, shl, diff; + var min_v = 0; + var hpred = [0,0]; + var huff = make_decoder(nikon_tree[tree]); + + //var g_input_offset=0, bitbuf=0, vbits=0, reset=0; + var prm = [off,0,0,0]; + //console.log(split); split = 170; + + for (min_v=row=0; row < height; row++) { + if (split && row == split) { + //free (huff); + huff = make_decoder (nikon_tree[tree+1]); + //max_v += (min_v = 16) << 1; + } + for (col=0; col < raw_width; col++) { + i = getbithuff(data,prm,huff[0],huff); + len = i & 15; + shl = i >>> 4; + diff = (((getbithuff(data,prm,len-shl,0) << 1) + 1) << shl) >>> 1; + if ((diff & (1 << (len-1))) == 0) + diff -= (1 << len) - (shl==0?1:0); + if (col < 2) hpred[col] = vpred[row & 1][col] += diff; + else hpred[col & 1] += diff; + + var clr = Math.min(Math.max(hpred[col & 1],0),(1<>>3); dt[o]|=val>>>16; dt[o+1]|=val>>>8; dt[o+2]|=val; } + + +UTIF.decode._getbithuff = function(data,prm,nbits, huff) { + var zero_after_ff = 0; + var get_byte = UTIF.decode._get_byte; + var c; + + var off=prm[0], bitbuf=prm[1], vbits=prm[2], reset=prm[3]; + + //if (nbits > 25) return 0; + //if (nbits < 0) return bitbuf = vbits = reset = 0; + if (nbits == 0 || vbits < 0) return 0; + while (!reset && vbits < nbits && (c = data[off++]) != -1 && + !(reset = zero_after_ff && c == 0xff && data[off++])) { + //console.log("byte read into c"); + bitbuf = (bitbuf << 8) + c; + vbits += 8; + } + c = (bitbuf << (32-vbits)) >>> (32-nbits); + if (huff) { + vbits -= huff[c+1] >>> 8; //console.log(c, huff[c]>>8); + c = huff[c+1]&255; + } else + vbits -= nbits; + if (vbits < 0) throw "e"; + + prm[0]=off; prm[1]=bitbuf; prm[2]=vbits; prm[3]=reset; + + return c; +} + +UTIF.decode._make_decoder = function(source) { + var max, len, h, i, j; + var huff = []; + + for (max=16; max!=0 && !source[max]; max--); + var si=17; + + huff[0] = max; + for (h=len=1; len <= max; len++) + for (i=0; i < source[len]; i++, ++si) + for (j=0; j < 1 << (max-len); j++) + if (h <= 1 << max) + huff[h++] = (len << 8) | source[si]; + return huff; +} + +UTIF.decode._decodeNewJPEG = function(img, data, off, len, tgt, toff) +{ + len = Math.min(len, data.length-off); + var tables = img["t347"], tlen = tables ? tables.length : 0, buff = new Uint8Array(tlen + len); + + if (tables) { + var SOI = 216, EOI = 217, boff = 0; + for (var i=0; i<(tlen-1); i++) + { + // Skip EOI marker from JPEGTables + if (tables[i]==255 && tables[i+1]==EOI) break; + buff[boff++] = tables[i]; + } + + // Skip SOI marker from data + var byte1 = data[off], byte2 = data[off + 1]; + if (byte1!=255 || byte2!=SOI) + { + buff[boff++] = byte1; + buff[boff++] = byte2; + } + for (var i=2; i>>8); } + else for(var i=0; i>>8); tgt[toff+(i<<1)+1] = (out[i]&255); } + } + else if(bps==14 || bps==12 || bps==10) { // 4 * 14 == 56 == 7 * 8 + var rst = 16-bps; + for(var i=0; i 1); + } + + if(!isTiled) + { + if(data[off]==255 && data[off+1]==SOI) return { jpegOffset: off }; + if(jpgIchgFmt!=null) + { + if(data[off+jifoff]==255 && data[off+jifoff+1]==SOI) joff = off+jifoff; + else log("JPEGInterchangeFormat does not point to SOI"); + + if(jpgIchgFmtLen==null) log("JPEGInterchangeFormatLength field is missing"); + else if(jifoff >= soff || (jifoff+jiflen) <= soff) log("JPEGInterchangeFormatLength field value is invalid"); + + if(joff != null) return { jpegOffset: joff }; + } + } + + if(ycbcrss!=null) { ssx = ycbcrss[0]; ssy = ycbcrss[1]; } + + if(jpgIchgFmt!=null) + if(jpgIchgFmtLen!=null) + if(jiflen >= 2 && (jifoff+jiflen) <= soff) + { + if(data[off+jifoff+jiflen-2]==255 && data[off+jifoff+jiflen-1]==SOI) tables = new Uint8Array(jiflen-2); + else tables = new Uint8Array(jiflen); + + for(i=0; i offset to first strip or tile"); + + if(tables == null) + { + var ooff = 0, out = []; + out[ooff++] = 255; out[ooff++] = SOI; + + var qtables = img["t519"]; + if(qtables==null) throw new Error("JPEGQTables tag is missing"); + for(i=0; i>> 8); out[ooff++] = nc & 255; + out[ooff++] = (i | (k << 4)); + for(j=0; j<16; j++) out[ooff++] = data[off+htables[i]+j]; + for(j=0; j>> 8) & 255; out[ooff++] = img.height & 255; + out[ooff++] = (img.width >>> 8) & 255; out[ooff++] = img.width & 255; + out[ooff++] = spp; + if(spp==1) { out[ooff++] = 1; out[ooff++] = 17; out[ooff++] = 0; } + else for(i=0; i<3; i++) + { + out[ooff++] = i + 1; + out[ooff++] = (i != 0) ? 17 : (((ssx & 15) << 4) | (ssy & 15)); + out[ooff++] = i; + } + + if(jpgresint!=null && jpgresint[0]!=0) + { + out[ooff++] = 255; out[ooff++] = DRI; out[ooff++] = 0; out[ooff++] = 4; + out[ooff++] = (jpgresint[0] >>> 8) & 255; + out[ooff++] = jpgresint[0] & 255; + } + + tables = new Uint8Array(out); + } + + var sofpos = -1; + i = 0; + while(i < (tables.length - 1)) { + if(tables[i]==255 && tables[i+1]==SOF0) { sofpos = i; break; } + i++; + } + + if(sofpos == -1) + { + var tmptab = new Uint8Array(tables.length + 10 + 3*spp); + tmptab.set(tables); + var tmpoff = tables.length; + sofpos = tables.length; + tables = tmptab; + + tables[tmpoff++] = 255; tables[tmpoff++] = SOF0; + tables[tmpoff++] = 0; tables[tmpoff++] = 8 + 3*spp; tables[tmpoff++] = 8; + tables[tmpoff++] = (img.height >>> 8) & 255; tables[tmpoff++] = img.height & 255; + tables[tmpoff++] = (img.width >>> 8) & 255; tables[tmpoff++] = img.width & 255; + tables[tmpoff++] = spp; + if(spp==1) { tables[tmpoff++] = 1; tables[tmpoff++] = 17; tables[tmpoff++] = 0; } + else for(i=0; i<3; i++) + { + tables[tmpoff++] = i + 1; + tables[tmpoff++] = (i != 0) ? 17 : (((ssx & 15) << 4) | (ssy & 15)); + tables[tmpoff++] = i; + } + } + + if(data[soff]==255 && data[soff+1]==SOS) + { + var soslen = (data[soff+2]<<8) | data[soff+3]; + sosMarker = new Uint8Array(soslen+2); + sosMarker[0] = data[soff]; sosMarker[1] = data[soff+1]; sosMarker[2] = data[soff+2]; sosMarker[3] = data[soff+3]; + for(i=0; i<(soslen-2); i++) sosMarker[i+4] = data[soff+i+4]; + } + else + { + sosMarker = new Uint8Array(2 + 6 + 2*spp); + var sosoff = 0; + sosMarker[sosoff++] = 255; sosMarker[sosoff++] = SOS; + sosMarker[sosoff++] = 0; sosMarker[sosoff++] = 6 + 2*spp; sosMarker[sosoff++] = spp; + if(spp==1) { sosMarker[sosoff++] = 1; sosMarker[sosoff++] = 0; } + else for(i=0; i<3; i++) + { + sosMarker[sosoff++] = i+1; sosMarker[sosoff++] = (i << 4) | i; + } + sosMarker[sosoff++] = 0; sosMarker[sosoff++] = 63; sosMarker[sosoff++] = 0; + } + + return { jpegOffset: off, tables: tables, sosMarker: sosMarker, sofPosition: sofpos }; +} + +UTIF.decode._decodeOldJPEG = function(img, data, off, len, tgt, toff) +{ + var i, dlen, tlen, buff, buffoff; + var jpegData = UTIF.decode._decodeOldJPEGInit(img, data, off, len); + + if(jpegData.jpegOffset!=null) + { + dlen = off+len-jpegData.jpegOffset; + buff = new Uint8Array(dlen); + for(i=0; i>> 8) & 255; buff[jpegData.sofPosition+6] = img.height & 255; + buff[jpegData.sofPosition+7] = (img.width >>> 8) & 255; buff[jpegData.sofPosition+8] = img.width & 255; + + if(data[off]!=255 || data[off+1]!=SOS) + { + buff.set(jpegData.sosMarker, buffoff); + buffoff += sosMarker.length; + } + for(i=0; i=0 && n<128) for(var i=0; i< n+1; i++) { ta[toff]=sa[off]; toff++; off++; } + if(n>=-127 && n<0) { for(var i=0; i<-n+1; i++) { ta[toff]=sa[off]; toff++; } off++; } + } + return toff; +} + +UTIF.decode._decodeThunder = function(data, off, len, tgt, toff) +{ + var d2 = [ 0, 1, 0, -1 ], d3 = [ 0, 1, 2, 3, 0, -3, -2, -1 ]; + var lim = off+len, qoff = toff*2, px = 0; + while(off>>6), n = (b&63); off++; + if(msk==3) { px=(n&15); tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; } + if(msk==0) for(var i=0; i>>1] |= (px<<(4*(1-qoff&1))); qoff++; } + if(msk==2) for(var i=0; i<2; i++) { var d=(n>>>(3*(1-i)))&7; if(d!=4) { px+=d3[d]; tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; } } + if(msk==1) for(var i=0; i<3; i++) { var d=(n>>>(2*(2-i)))&3; if(d!=2) { px+=d2[d]; tgt[qoff>>>1] |= (px<<(4*(1-qoff&1))); qoff++; } } + } +} + +UTIF.decode._dmap = { "1":0,"011":1,"000011":2,"0000011":3, "010":-1,"000010":-2,"0000010":-3 }; +UTIF.decode._lens = ( function() +{ + var addKeys = function(lens, arr, i0, inc) { for(var i=0; i>>3)>>3]>>>(7-(boff&7)))&1; + if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1; + boff++; wrd+=bit; + if(mode=="H") + { + if(U._lens[clr][wrd]!=null) + { + var dl=U._lens[clr][wrd]; wrd=""; len+=dl; + if(dl<64) { U._addNtimes(line,len,clr); a0+=len; clr=1-clr; len=0; toRead--; if(toRead==0) mode=""; } + } + } + else + { + if(wrd=="0001") { wrd=""; U._addNtimes(line,b2-a0,clr); a0=b2; } + if(wrd=="001" ) { wrd=""; mode="H"; toRead=2; } + if(U._dmap[wrd]!=null) { a1 = b1+U._dmap[wrd]; U._addNtimes(line, a1-a0, clr); a0=a1; wrd=""; clr=1-clr; } + } + if(line.length==w && mode=="") + { + U._writeBits(line, tgt, toff*8+y*bipl); + clr=0; y++; a0=0; + pline=U._makeDiff(line); line=[]; + } + //if(wrd.length>150) { log(wrd); break; throw "e"; } + } +} + +UTIF.decode._findDiff = function(line, x, clr) { for(var i=0; i=x && line[i+1]==clr) return line[i]; } + +UTIF.decode._makeDiff = function(line) +{ + var out = []; if(line[0]==1) out.push(0,1); + for(var i=1; i>>3)>>3]>>>(7-(boff&7)))&1; + if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1; + boff++; wrd+=bit; + + len = U._lens[clr][wrd]; + if(len!=null) { + U._addNtimes(line,len,clr); wrd=""; + if(len<64) clr = 1-clr; + if(line.length==w) { U._writeBits(line, tgt, toff*8+y*bipl); line=[]; y++; clr=0; if((boff&7)!=0) boff+=8-(boff&7); if(len>=64) boff+=8; } + } + } +} + +UTIF.decode._decodeG3 = function(data, off, slen, tgt, toff, w, fo, twoDim) +{ + var U = UTIF.decode, boff=off<<3, len=0, wrd=""; + var line=[], pline=[]; for(var i=0; i>>3)>>3]>>>(7-(boff&7)))&1; + if(fo==2) bit = (data[boff>>>3]>>>( (boff&7)))&1; + boff++; wrd+=bit; + + if(is1D) + { + if(U._lens[clr][wrd]!=null) + { + var dl=U._lens[clr][wrd]; wrd=""; len+=dl; + if(dl<64) { U._addNtimes(line,len,clr); clr=1-clr; len=0; } + } + } + else + { + if(mode=="H") + { + if(U._lens[clr][wrd]!=null) + { + var dl=U._lens[clr][wrd]; wrd=""; len+=dl; + if(dl<64) { U._addNtimes(line,len,clr); a0+=len; clr=1-clr; len=0; toRead--; if(toRead==0) mode=""; } + } + } + else + { + if(wrd=="0001") { wrd=""; U._addNtimes(line,b2-a0,clr); a0=b2; } + if(wrd=="001" ) { wrd=""; mode="H"; toRead=2; } + if(U._dmap[wrd]!=null) { a1 = b1+U._dmap[wrd]; U._addNtimes(line, a1-a0, clr); a0=a1; wrd=""; clr=1-clr; } + } + } + if(wrd.endsWith("000000000001")) // needed for some files + { + if(y>=0) U._writeBits(line, tgt, toff*8+y*bipl); + if(twoDim) { + if(fo==1) is1D = ((data[boff>>>3]>>>(7-(boff&7)))&1)==1; + if(fo==2) is1D = ((data[boff>>>3]>>>( (boff&7)))&1)==1; + boff++; + } + //log("EOL",y, "next 1D:", is1D); + wrd=""; clr=0; y++; a0=0; + pline=U._makeDiff(line); line=[]; + } + } + if(line.length==w) U._writeBits(line, tgt, toff*8+y*bipl); +} + +UTIF.decode._addNtimes = function(arr, n, val) { for(var i=0; i>>3] |= (bits[i]<<(7-((boff+i)&7))); +} + +UTIF.decode._decodeLZW=UTIF.decode._decodeLZW=function(){var e,U,Z,u,K=0,V=0,g=0,N=0,O=function(){var S=e>>>3,A=U[S]<<16|U[S+1]<<8|U[S+2],j=A>>>24-(e&7)-V&(1<>>----------------"); + for(var i=0; idata.buffer.byteLength) num=data.buffer.byteLength-no; arr = new Uint8Array(data.buffer, no, num); } + if(type== 2) { var o0 = (num<5 ? offset-4 : voff), c=data[o0], len=Math.max(0, Math.min(num-1,data.length-o0)); + if(c<128 || len==0) arr.push( bin.readASCII(data, o0, len) ); + else arr = new Uint8Array(data.buffer, o0, len); } + if(type== 3) { for(var j=0; j4) { bin.writeUint(data, offset, eoff); toff=eoff; } + + if (type== 1 || type==7) { for(var i=0; i4) { dlen += (dlen&1); eoff += dlen; } + offset += 4; + } + return [offset, eoff]; +} + +UTIF.toRGBA8 = function(out, scl) +{ + function gamma(x) { return x < 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1.0 / 2.4) - 0.055; } + + + var w = out.width, h = out.height, area = w*h, qarea = area*4, data = out.data; + var img = new Uint8Array(area*4); + //console.log(out); + // 0: WhiteIsZero, 1: BlackIsZero, 2: RGB, 3: Palette color, 4: Transparency mask, 5: CMYK + var intp = (out["t262"] ? out["t262"][0]: 2), bps = (out["t258"]?Math.min(32,out["t258"][0]):1); + if(out["t262"]==null && bps==1) intp=0; + + var smpls = out["t277"]?out["t277"][0] : (out["t258"]?out["t258"].length : [1,1,3,1,1,4,3][intp]); + var sfmt = out["t339"]?out["t339"][0] : null; if(intp==1 && bps==32 && sfmt!=3) throw "e"; // sample format + var bpl = Math.ceil(smpls*bps*w/8); + + //log("interpretation: ", intp, "smpls", smpls, "bps", bps, "sample format",sfmt, out); + + if(false) {} + else if(intp==0) + { + scl = 1/256; // "Photopeatest.tif" + for(var y=0; y>3)])>>(7- (i&7)))& 1; img[qi]=img[qi+1]=img[qi+2]=( 1-px)*255; img[qi+3]=255; } + if(bps== 4) for(var i=0; i>1)])>>(4-4*(i&1)))&15; img[qi]=img[qi+1]=img[qi+2]=(15-px)* 17; img[qi+3]=255; } + if(bps== 8) for(var i=0; i>3)])>>(7- (i&7)))&1; img[qi]=img[qi+1]=img[qi+2]=(px)*255; img[qi+3]=255; } + if(bps== 2) for(var i=0; i>2)])>>(6-2*(i&3)))&3; img[qi]=img[qi+1]=img[qi+2]=(px)* 85; img[qi+3]=255; } + if(bps== 8) for(var i=0; i>>2)+i, px=f32[o]; img[qi]=img[qi+1]=img[qi+2]= ~~(0.5+255*px); img[qi+3]=255; } + } + } + else if(intp==2) + { + if(bps== 8) + { + if(smpls==1) for(var i=0; i=4) for(var i=0; i1 && out["t338"] && out["t338"][0]!=0; + + for(var y=0; y>>3)]>>>(7- (x&7)))& 1; + else if(bps==2) mi=(data[dof+(x>>>2)]>>>(6-2*(x&3)))& 3; + else if(bps==4) mi=(data[dof+(x>>>1)]>>>(4-4*(x&1)))&15; + else if(bps==8) mi= data[dof+x*smpls]; + else throw bps; + img[qi]=(map[mi]>>8); img[qi+1]=(map[cn+mi]>>8); img[qi+2]=(map[cn+cn+mi]>>8); img[qi+3]=nexta ? data[dof+x*smpls+1] : 255; + } + } + else if(intp==5) + { + var gotAlpha = smpls>4 ? 1 : 0; + for(var i=0; i>>1); + var Y = data[si+(j&1)], Cb=data[si+2]-128, Cr=data[si+3]-128; + + var r = Y + ( (Cr >> 2) + (Cr >> 3) + (Cr >> 5) ) ; + var g = Y - ( (Cb >> 2) + (Cb >> 4) + (Cb >> 5)) - ( (Cr >> 1) + (Cr >> 3) + (Cr >> 4) + (Cr >> 5)) ; + var b = Y + ( Cb + (Cb >> 1) + (Cb >> 2) + (Cb >> 6)) ; + + img[qi ]=Math.max(0,Math.min(255,r)); + img[qi+1]=Math.max(0,Math.min(255,g)); + img[qi+2]=Math.max(0,Math.min(255,b)); + img[qi+3]=255; + } + } + } + else if(intp==32845) { + + for(var y=0; yma) { ma=ar; page=img; } + } + UTIF.decodeImage(buff, page, ifds); + var rgba = UTIF.toRGBA8(page), w=page.width, h=page.height; + + var cnv = document.createElement("canvas"); cnv.width=w; cnv.height=h; + var ctx = cnv.getContext("2d"); + var imgd = new ImageData(new Uint8ClampedArray(rgba.buffer),w,h); + ctx.putImageData(imgd,0,0); + return cnv.toDataURL(); +} + + +UTIF._binBE = +{ + nextZero : function(data, o) { while(data[o]!=0) o++; return o; }, + readUshort : function(buff, p) { return (buff[p]<< 8) | buff[p+1]; }, + readShort : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+1]; a[1]=buff[p+0]; return UTIF._binBE. i16[0]; }, + readInt : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+3]; a[1]=buff[p+2]; a[2]=buff[p+1]; a[3]=buff[p+0]; return UTIF._binBE. i32[0]; }, + readUint : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+3]; a[1]=buff[p+2]; a[2]=buff[p+1]; a[3]=buff[p+0]; return UTIF._binBE.ui32[0]; }, + readASCII : function(buff, p, l) { var s = ""; for(var i=0; i> 8)&255; buff[p+1] = n&255; }, + writeInt : function(buff, p, n) { var a=UTIF._binBE.ui8; UTIF._binBE.i32[0]=n; buff[p+3]=a[0]; buff[p+2]=a[1]; buff[p+1]=a[2]; buff[p+0]=a[3]; }, + writeUint : function(buff, p, n) { buff[p] = (n>>24)&255; buff[p+1] = (n>>16)&255; buff[p+2] = (n>>8)&255; buff[p+3] = (n>>0)&255; }, + writeASCII : function(buff, p, s) { for(var i = 0; i < s.length; i++) buff[p+i] = s.charCodeAt(i); }, + writeDouble: function(buff, p, n) + { + UTIF._binBE.fl64[0] = n; + for (var i = 0; i < 8; i++) buff[p + i] = UTIF._binBE.ui8[7 - i]; + } +} +UTIF._binBE.ui8 = new Uint8Array (8); +UTIF._binBE.i16 = new Int16Array (UTIF._binBE.ui8.buffer); +UTIF._binBE.i32 = new Int32Array (UTIF._binBE.ui8.buffer); +UTIF._binBE.ui32 = new Uint32Array (UTIF._binBE.ui8.buffer); +UTIF._binBE.fl32 = new Float32Array(UTIF._binBE.ui8.buffer); +UTIF._binBE.fl64 = new Float64Array(UTIF._binBE.ui8.buffer); + +UTIF._binLE = +{ + nextZero : UTIF._binBE.nextZero, + readUshort : function(buff, p) { return (buff[p+1]<< 8) | buff[p]; }, + readShort : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; return UTIF._binBE. i16[0]; }, + readInt : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; a[2]=buff[p+2]; a[3]=buff[p+3]; return UTIF._binBE. i32[0]; }, + readUint : function(buff, p) { var a=UTIF._binBE.ui8; a[0]=buff[p+0]; a[1]=buff[p+1]; a[2]=buff[p+2]; a[3]=buff[p+3]; return UTIF._binBE.ui32[0]; }, + readASCII : UTIF._binBE.readASCII, + readFloat : function(buff, p) { var a=UTIF._binBE.ui8; for(var i=0;i<4;i++) a[i]=buff[p+ i]; return UTIF._binBE.fl32[0]; }, + readDouble : function(buff, p) { var a=UTIF._binBE.ui8; for(var i=0;i<8;i++) a[i]=buff[p+ i]; return UTIF._binBE.fl64[0]; }, + + writeUshort: function(buff, p, n) { buff[p] = (n)&255; buff[p+1] = (n>>8)&255; }, + writeInt : function(buff, p, n) { var a=UTIF._binBE.ui8; UTIF._binBE.i32[0]=n; buff[p+0]=a[0]; buff[p+1]=a[1]; buff[p+2]=a[2]; buff[p+3]=a[3]; }, + writeUint : function(buff, p, n) { buff[p] = (n>>>0)&255; buff[p+1] = (n>>>8)&255; buff[p+2] = (n>>>16)&255; buff[p+3] = (n>>>24)&255; }, + writeASCII : UTIF._binBE.writeASCII +} +UTIF._copyTile = function(tb, tw, th, b, w, h, xoff, yoff) +{ + //log("copyTile", tw, th, w, h, xoff, yoff); + var xlim = Math.min(tw, w-xoff); + var ylim = Math.min(th, h-yoff); + for(var y=0; y>>2<<5);while(i==0){i=n(N,d,1);m=n(N,d+1,2);d+=3;if(m==0){if((d&7)!=0)d+=8-(d&7); + var D=(d>>>3)+4,q=N[D-4]|N[D-3]<<8;if(Z)W=H.H.W(W,w+q);W.set(new R(N.buffer,N.byteOffset+D,q),w);d=D+q<<3; + w+=q;continue}if(Z)W=H.H.W(W,w+(1<<17));if(m==1){v=b.J;C=b.h;X=(1<<9)-1;u=(1<<5)-1}if(m==2){J=A(N,d,5)+257; + h=A(N,d+5,5)+1;Q=A(N,d+10,4)+4;d+=14;var E=d,j=1;for(var c=0;c<38;c+=2){b.Q[c]=0;b.Q[c+1]=0}for(var c=0; + cj)j=K}d+=3*Q;M(b.Q,j);I(b.Q,j,b.u);v=b.w;C=b.d; + d=l(b.u,(1<>>4;if(p>>>8==0){W[w++]=p}else if(p==256){break}else{var z=w+p-254; + if(p>264){var _=b.q[p-257];z=w+(_>>>3)+A(N,d,_&7);d+=_&7}var $=C[e(N,d)&u];d+=$&15;var s=$>>>4,Y=b.c[s],a=(Y>>>4)+n(N,d,Y&15); + d+=Y&15;while(w>>4; + if(b<=15){A[I]=b;I++}else{var Z=0,m=0;if(b==16){m=3+l(V,n,2);n+=2;Z=A[I-1]}else if(b==17){m=3+l(V,n,3); + n+=3}else if(b==18){m=11+l(V,n,7);n+=7}var J=I+m;while(I>>1; + while(An)n=M;A++}while(A>1,I=N[l+1],e=M<<4|I,b=W-I,Z=N[l]<>>15-W;R[J]=e;Z++}}};H.H.l=function(N,W){var R=H.H.m.r,V=15-W;for(var n=0;n>>V}};H.H.M=function(N,W,R){R=R<<(W&7);var V=W>>>3;N[V]|=R;N[V+1]|=R>>>8}; + H.H.I=function(N,W,R){R=R<<(W&7);var V=W>>>3;N[V]|=R;N[V+1]|=R>>>8;N[V+2]|=R>>>16};H.H.e=function(N,W,R){return(N[W>>>3]|N[(W>>>3)+1]<<8)>>>(W&7)&(1<>>3]|N[(W>>>3)+1]<<8|N[(W>>>3)+2]<<16)>>>(W&7)&(1<>>3]|N[(W>>>3)+1]<<8|N[(W>>>3)+2]<<16)>>>(W&7)}; + H.H.i=function(N,W){return(N[W>>>3]|N[(W>>>3)+1]<<8|N[(W>>>3)+2]<<16|N[(W>>>3)+3]<<24)>>>(W&7)};H.H.m=function(){var N=Uint16Array,W=Uint32Array; + return{K:new N(16),j:new N(16),X:[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],S:[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,999,999,999],T:[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0],q:new N(32),p:[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,65535,65535],z:[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0],c:new W(32),J:new N(512),_:[],h:new N(32),$:[],w:new N(32768),C:[],v:[],d:new N(32768),D:[],u:new N(512),Q:[],r:new N(1<<15),s:new W(286),Y:new W(30),a:new W(19),t:new W(15e3),k:new N(1<<16),g:new N(1<<15)}}(); + (function(){var N=H.H.m,W=1<<15;for(var R=0;R>>1|(V&1431655765)<<1; + V=(V&3435973836)>>>2|(V&858993459)<<2;V=(V&4042322160)>>>4|(V&252645135)<<4;V=(V&4278255360)>>>8|(V&16711935)<<8; + N.r[R]=(V>>>16|V<<16)>>>17}function n(A,l,M){while(l--!=0)A.push(0,M)}for(var R=0;R<32;R++){N.q[R]=N.S[R]<<3|N.T[R]; + N.c[R]=N.p[R]<<4|N.z[R]}n(N._,144,8);n(N._,255-143,9);n(N._,279-255,7);n(N._,287-279,8);H.H.n(N._,9); + H.H.A(N._,9,N.J);H.H.l(N._,9);n(N.$,32,5);H.H.n(N.$,5);H.H.A(N.$,5,N.h);H.H.l(N.$,5);n(N.Q,19,0);n(N.C,286,0); + n(N.D,30,0);n(N.v,320,0)}());return H.H.N}(); + + + +UTIF.LosslessJpegDecode =function(){var b,O;function l(){return b[O++]}function m(){return b[O++]<<8|b[O++]}function a0(h){var V=l(),I=[0,0,0,255],f=[],G=8; +for(var w=0;w<16;w++)f[w]=l();for(var w=0;w<16;w++){for(var x=0;x>--s&1; +Y=I[Y+F]}E[w]=Y}}function z(h,V,I,f){if(h[V+3]!=255)return 0;if(I==0)return V;for(var w=0;w<2;w++){if(h[V+w]==0){h[V+w]=h.length; +h.push(0,0,f,255)}var x=z(h,h[V+w],I-1,f+1);if(x!=0)return x}return 0}function i(h){var V=h.b,I=h.f; +while(V<25&&h.a>(V.b-=h)&65535>>16-h}function g(h,V){var I=h[0],f=0,w=255,x=0;if(V.b<16)i(V);var T=V.f>>V.b-8&255; +f=h[1][T];w=I[f+3];V.b-=I[f+2];while(w==255){x=V.f>>--V.b&1;f=I[f+x];w=I[f+3]}return w}function P(h,V){if(h<32768>>16-V)h+=-(1<>4,J&15]}}else if(Y==65476){var a3=O+F-2;while(O>>4];x[v[0]]=v.slice(1)}I=l();O+=2;break}else if(Y==65501){w=m()}else{O+=F-2}}var a4=f>8?Uint16Array:Uint8Array,$=new a4(s*_*E),M={b:0,f:0,c:I==8,a:O,data:b,d:b.length,e:w}; +if(M.c)a1($,_*E,M,G[0],s);else{var c=[],p=0,D=0;for(var t=0;tp)p=S; +if(K>D)D=K;c.push(S*K)}if(p!=1||D!=1){if(E!=3||c[1]!=1||c[2]!=1)throw"e";if(p!=2||D!=1&&D!=2)throw"e"; +var u=[],Z=0;for(var t=0;t>>1)*B+(S>>>1))*Z,y=(K&1)*2+(S&1); +$[q]=n[k+y];$[q+1]=n[k+4];$[q+2]=n[k+5]}else for(var S=0;S<_;S++){var q=(K*_+S)*E,k=(K*B+(S>>>1))*Z,y=S&1; +$[q]=n[k+y];$[q+1]=n[k+2];$[q+2]=n[k+3]}}}else{X($,_*E,M,G,E,s);if(w==0)j($,I,_,s,0,E,E,f);else{var U=Math.floor(w/_); +for(var K=0;K>>1);else if(V==6)Q=h[J]+(r-h[J-G]>>>1);else if(V==7)Q=r+h[J]>>>1;else throw V; +h[a]+=Q}}}}return C}(); + + +(function(){var G=0,F=1,i=2,b=3,J=4,N=5,E=6,s=7,c=8,T=9,a3=10,f=11,q=12,M=13,m=14,x=15,L=16,$=17,p=18; +function a5(t){var Z=UTIF._binBE.readUshort,u={b:Z(t,0),i:t[2],C:t[3],u:t[4],q:Z(t,5),k:Z(t,7),e:Z(t,9),l:Z(t,11),s:t[13],d:Z(t,14)}; +if(u.b!=18771||u.i>1||u.q<6||u.q%6||u.e<768||u.e%24||u.l!=768||u.k=u.l||u.s>16||u.s!=u.k/u.l||u.s!=Math.ceil(u.e/u.l)||u.d!=u.q/6||u.u!=12&&u.u!=14&&u.u!=16||u.C!=16&&u.C!=0){throw"Invalid data"}if(u.i==0){throw"Not implemented. We need this file!"}u.h=u.C==16; +u.m=(u.h?u.l*2/3:u.l>>>1)|0;u.A=u.m+2;u.f=64;u.g=(1<>>6);for(var e=0;e<3;e++){for(var Q=0; +Q<41;Q++){Z[e][Q]=[u,1]}}return Z}function a4(t){for(var Z=-1,u=0;!u;Z++){u=t[t.j]>>>7-t.a&1;t.a++;t.a&=7; +if(!t.a)t.j++}return Z}function K(t,Z){var u=0,e=8-t.a,Q=t.j,V=t.a;if(Z){if(Z>=e){do{u<<=e;Z-=e;u|=t[t.j]&(1<=8)}if(Z){u<<=Z;e-=Z;u|=t[t.j]>>>e&(1<n&&C>>2;if(o){w[X]=h;return}l=Z.t*Z.c[t.g+Y-H]+Z.c[t.g+g-Y]}else{h=Y>g&&Y>P||Y>>2:A+v>>>1; +l=Z.t*Z.c[t.g+Y-g]+Z.c[t.g+g-A]}R=y(l);var W=a4(u);if(W>>1):a>>>1; +O[R][0]+=y(a);if(O[R][1]==t.f){O[R][0]>>>=1;O[R][1]>>>=1}O[R][1]++;h=l<0?h-a:h+a;if(t.i){if(h<0)h+=Z.w; +else if(h>t.g)h-=Z.w}w[X]=h>=0?Math.min(h,t.g):0}function U(t,Z,u){var e=t[0].length;for(var Q=Z;Q<=u; +Q++){t[Q][0]=t[Q-1][1];t[Q][e-1]=t[Q-1][e-2]}}function B(t){U(t,s,q);U(t,i,J);U(t,x,$)}function _(t,Z,u,e,Q,V,O,o,X,k,j,I,a){var l=0,R=1,w=QJ; +while(R8){r(t,Z,u,e,Q,R,o[X]);r(t,Z,u,e,V,R,o[X]);R+=2}}B(e)}function 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ARAIAEoAgQiAgRAIAEoAgggACACEQEADwsgABAmCwsfACAAIAEgAi8BABAINgIAIAEQBBogACACQQRqNgIEC0oBAX9BoCAoAgAiASAAaiIAQX9MBEBBiCBBMDYCAEF/DwsCQCAAPwBBEHRNDQAgABBmDQBBiCBBMDYCAEF/DwtBoCAgADYCACABC9cBAQh/Qbp/IQoCQCACKAIEIgggAigCACIJaiIOIAEgAGtLDQBBbCEKIAkgBCADKAIAIgtrSw0AIAAgCWoiBCACKAIIIgxrIQ0gACABQWBqIg8gCyAJQQAQKSADIAkgC2o2AgACQAJAIAwgBCAFa00EQCANIQUMAQsgDCAEIAZrSw0CIAcgDSAFayIAaiIBIAhqIAdNBEAgBCABIAgQDxoMAgsgBCABQQAgAGsQDyEBIAIgACAIaiIINgIEIAEgAGshBAsgBCAPIAUgCEEBECkLIA4hCgsgCgubAgEBfyMAQYABayINJAAgDSADNgJ8AkAgAkEDSwRAQX8hCQwBCwJAAkACQAJAIAJBAWsOAwADAgELIAZFBEBBuH8hCQwEC0FsIQkgBS0AACICIANLDQMgACAHIAJBAnQiAmooAgAgAiAIaigCABA7IAEgADYCAEEBIQkMAwsgASAJNgIAQQAhCQwCCyAKRQRAQWwhCQwCC0EAIQkgC0UgDEEZSHINAUEIIAR0QQhqIQBBACECA0AgAiAATw0CIAJBQGshAgwAAAsAC0FsIQkgDSANQfwAaiANQfgAaiAFIAYQFSICEAMNACANKAJ4IgMgBEsNACAAIA0gDSgCfCAHIAggAxAYIAEgADYCACACIQkLIA1BgAFqJAAgCQsLACAAIAEgAhALGgsQACAALwAAIAAtAAJBEHRyCy8AAn9BuH8gAUEISQ0AGkFyIAAoAAQiAEF3Sw0AGkG4fyAAQQhqIgAgACABSxsLCwkAIAAgATsAAAsDAAELigYBBX8gACAAKAIAIgVBfnE2AgBBACAAIAVBAXZqQYQgKAIAIgQgAEYbIQECQAJAIAAoAgQiAkUNACACKAIAIgNBAXENACACQQhqIgUgA0EBdkF4aiIDQQggA0EISxtnQR9zQQJ0QYAfaiIDKAIARgRAIAMgAigCDDYCAAsgAigCCCIDBEAgAyACKAIMNgIECyACKAIMIgMEQCADIAIoAgg2AgALIAIgAigCACAAKAIAQX5xajYCAEGEICEAAkACQCABRQ0AIAEgAjYCBCABKAIAIgNBAXENASADQQF2QXhqIgNBCCADQQhLG2dBH3NBAnRBgB9qIgMoAgAgAUEIakYEQCADIAEoAgw2AgALIAEoAggiAwRAIAMgASgCDDYCBAsgASgCDCIDBEAgAyABKAIINgIAQYQgKAIAIQQLIAIgAigCACABKAIAQX5xajYCACABIARGDQAgASABKAIAQQF2akEEaiEACyAAIAI2AgALIAIoAgBBAXZBeGoiAEEIIABBCEsbZ0Efc0ECdEGAH2oiASgCACEAIAEgBTYCACACIAA2AgwgAkEANgIIIABFDQEgACAFNgIADwsCQCABRQ0AIAEoAgAiAkEBcQ0AIAJBAXZBeGoiAkEIIAJBCEsbZ0Efc0ECdEGAH2oiAigCACABQQhqRgRAIAIgASgCDDYCAAsgASgCCCICBEAgAiABKAIMNgIECyABKAIMIgIEQCACIAEoAgg2AgBBhCAoAgAhBAsgACAAKAIAIAEoAgBBfnFqIgI2AgACQCABIARHBEAgASABKAIAQQF2aiAANgIEIAAoAgAhAgwBC0GEICAANgIACyACQQF2QXhqIgFBCCABQQhLG2dBH3NBAnRBgB9qIgIoAgAhASACIABBCGoiAjYCACAAIAE2AgwgAEEANgIIIAFFDQEgASACNgIADwsgBUEBdkF4aiIBQQggAUEISxtnQR9zQQJ0QYAfaiICKAIAIQEgAiAAQQhqIgI2AgAgACABNgIMIABBADYCCCABRQ0AIAEgAjYCAAsLDgAgAARAIABBeGoQJQsLgAIBA38CQCAAQQ9qQXhxQYQgKAIAKAIAQQF2ayICEB1Bf0YNAAJAQYQgKAIAIgAoAgAiAUEBcQ0AIAFBAXZBeGoiAUEIIAFBCEsbZ0Efc0ECdEGAH2oiASgCACAAQQhqRgRAIAEgACgCDDYCAAsgACgCCCIBBEAgASAAKAIMNgIECyAAKAIMIgFFDQAgASAAKAIINgIAC0EBIQEgACAAKAIAIAJBAXRqIgI2AgAgAkEBcQ0AIAJBAXZBeGoiAkEIIAJBCEsbZ0Efc0ECdEGAH2oiAygCACECIAMgAEEIaiIDNgIAIAAgAjYCDCAAQQA2AgggAkUNACACIAM2AgALIAELtwIBA38CQAJAIABBASAAGyICEDgiAA0AAkACQEGEICgCACIARQ0AIAAoAgAiA0EBcQ0AIAAgA0EBcjYCACADQQF2QXhqIgFBCCABQQhLG2dBH3NBAnRBgB9qIgEoAgAgAEEIakYEQCABIAAoAgw2AgALIAAoAggiAQRAIAEgACgCDDYCBAsgACgCDCIBBEAgASAAKAIINgIACyACECchAkEAIQFBhCAoAgAhACACDQEgACAAKAIAQX5xNgIAQQAPCyACQQ9qQXhxIgMQHSICQX9GDQIgAkEHakF4cSIAIAJHBEAgACACaxAdQX9GDQMLAkBBhCAoAgAiAUUEQEGAICAANgIADAELIAAgATYCBAtBhCAgADYCACAAIANBAXRBAXI2AgAMAQsgAEUNAQsgAEEIaiEBCyABC7kDAQJ/IAAgA2ohBQJAIANBB0wEQANAIAAgBU8NAiAAIAItAAA6AAAgAEEBaiEAIAJBAWohAgwAAAsACyAEQQFGBEACQCAAIAJrIgZBB00EQCAAIAItAAA6AAAgACACLQABOgABIAAgAi0AAjoAAiAAIAItAAM6AAMgAEEEaiACIAZBAnQiBkHAHmooAgBqIgIQFyACIAZB4B5qKAIAayECDAELIAAgAhAMCyACQQhqIQIgAEEIaiEACwJAAkACQAJAIAUgAU0EQCAAIANqIQEgBEEBRyAAIAJrQQ9Kcg0BA0AgACACEAwgAkEIaiECIABBCGoiACABSQ0ACwwFCyAAIAFLBEAgACEBDAQLIARBAUcgACACa0EPSnINASAAIQMgAiEEA0AgAyAEEAwgBEEIaiEEIANBCGoiAyABSQ0ACwwCCwNAIAAgAhAHIAJBEGohAiAAQRBqIgAgAUkNAAsMAwsgACEDIAIhBANAIAMgBBAHIARBEGohBCADQRBqIgMgAUkNAAsLIAIgASAAa2ohAgsDQCABIAVPDQEgASACLQAAOgAAIAFBAWohASACQQFqIQIMAAALAAsLQQECfyAAIAAoArjgASIDNgLE4AEgACgCvOABIQQgACABNgK84AEgACABIAJqNgK44AEgACABIAQgA2tqNgLA4AELpgEBAX8gACAAKALs4QEQFjYCyOABIABCADcD+OABIABCADcDuOABIABBwOABakIANwMAIABBqNAAaiIBQYyAgOAANgIAIABBADYCmOIBIABCADcDiOEBIABCAzcDgOEBIABBrNABakHgEikCADcCACAAQbTQAWpB6BIoAgA2AgAgACABNgIMIAAgAEGYIGo2AgggACAAQaAwajYCBCAAIABBEGo2AgALYQEBf0G4fyEDAkAgAUEDSQ0AIAIgABAhIgFBA3YiADYCCCACIAFBAXE2AgQgAiABQQF2QQNxIgM2AgACQCADQX9qIgFBAksNAAJAIAFBAWsOAgEAAgtBbA8LIAAhAwsgAwsMACAAIAEgAkEAEC4LiAQCA38CfiADEBYhBCAAQQBBKBAQIQAgBCACSwRAIAQPCyABRQRAQX8PCwJAAkAgA0EBRg0AIAEoAAAiBkGo6r5pRg0AQXYhAyAGQXBxQdDUtMIBRw0BQQghAyACQQhJDQEgAEEAQSgQECEAIAEoAAQhASAAQQE2AhQgACABrTcDAEEADwsgASACIAMQLyIDIAJLDQAgACADNgIYQXIhAyABIARqIgVBf2otAAAiAkEIcQ0AIAJBIHEiBkUEQEFwIQMgBS0AACIFQacBSw0BIAVBB3GtQgEgBUEDdkEKaq2GIgdCA4h+IAd8IQggBEEBaiEECyACQQZ2IQMgAkECdiEFAkAgAkEDcUF/aiICQQJLBEBBACECDAELAkACQAJAIAJBAWsOAgECAAsgASAEai0AACECIARBAWohBAwCCyABIARqLwAAIQIgBEECaiEEDAELIAEgBGooAAAhAiAEQQRqIQQLIAVBAXEhBQJ+AkACQAJAIANBf2oiA0ECTQRAIANBAWsOAgIDAQtCfyAGRQ0DGiABIARqMQAADAMLIAEgBGovAACtQoACfAwCCyABIARqKAAArQwBCyABIARqKQAACyEHIAAgBTYCICAAIAI2AhwgACAHNwMAQQAhAyAAQQA2AhQgACAHIAggBhsiBzcDCCAAIAdCgIAIIAdCgIAIVBs+AhALIAMLWwEBf0G4fyEDIAIQFiICIAFNBH8gACACakF/ai0AACIAQQNxQQJ0QaAeaigCACACaiAAQQZ2IgFBAnRBsB5qKAIAaiAAQSBxIgBFaiABRSAAQQV2cWoFQbh/CwsdACAAKAKQ4gEQWiAAQQA2AqDiASAAQgA3A5DiAQu1AwEFfyMAQZACayIKJABBuH8hBgJAIAVFDQAgBCwAACIIQf8BcSEHAkAgCEF/TARAIAdBgn9qQQF2IgggBU8NAkFsIQYgB0GBf2oiBUGAAk8NAiAEQQFqIQdBACEGA0AgBiAFTwRAIAUhBiAIIQcMAwUgACAGaiAHIAZBAXZqIgQtAABBBHY6AAAgACAGQQFyaiAELQAAQQ9xOgAAIAZBAmohBgwBCwAACwALIAcgBU8NASAAIARBAWogByAKEFMiBhADDQELIAYhBEEAIQYgAUEAQTQQECEJQQAhBQNAIAQgBkcEQCAAIAZqIggtAAAiAUELSwRAQWwhBgwDBSAJIAFBAnRqIgEgASgCAEEBajYCACAGQQFqIQZBASAILQAAdEEBdSAFaiEFDAILAAsLQWwhBiAFRQ0AIAUQFEEBaiIBQQxLDQAgAyABNgIAQQFBASABdCAFayIDEBQiAXQgA0cNACAAIARqIAFBAWoiADoAACAJIABBAnRqIgAgACgCAEEBajYCACAJKAIEIgBBAkkgAEEBcXINACACIARBAWo2AgAgB0EBaiEGCyAKQZACaiQAIAYLxhEBDH8jAEHwAGsiBSQAQWwhCwJAIANBCkkNACACLwAAIQogAi8AAiEJIAIvAAQhByAFQQhqIAQQDgJAIAMgByAJIApqakEGaiIMSQ0AIAUtAAohCCAFQdgAaiACQQZqIgIgChAGIgsQAw0BIAVBQGsgAiAKaiICIAkQBiILEAMNASAFQShqIAIgCWoiAiAHEAYiCxADDQEgBUEQaiACIAdqIAMgDGsQBiILEAMNASAAIAFqIg9BfWohECAEQQRqIQZBASELIAAgAUEDakECdiIDaiIMIANqIgIgA2oiDiEDIAIhBCAMIQcDQCALIAMgEElxBEAgACAGIAVB2ABqIAgQAkECdGoiCS8BADsAACAFQdgAaiAJLQACEAEgCS0AAyELIAcgBiAFQUBrIAgQAkECdGoiCS8BADsAACAFQUBrIAktAAIQASAJLQADIQogBCAGIAVBKGogCBACQQJ0aiIJLwEAOwAAIAVBKGogCS0AAhABIAktAAMhCSADIAYgBUEQaiAIEAJBAnRqIg0vAQA7AAAgBUEQaiANLQACEAEgDS0AAyENIAAgC2oiCyAGIAVB2ABqIAgQAkECdGoiAC8BADsAACAFQdgAaiAALQACEAEgAC0AAyEAIAcgCmoiCiAGIAVBQGsgCBACQQJ0aiIHLwEAOwAAIAVBQGsgBy0AAhABIActAAMhByAEIAlqIgkgBiAFQShqIAgQAkECdGoiBC8BADsAACAFQShqIAQtAAIQASAELQADIQQgAyANaiIDIAYgBUEQaiAIEAJBAnRqIg0vAQA7AAAgBUEQaiANLQACEAEgACALaiEAIAcgCmohByAEIAlqIQQgAyANLQADaiEDIAVB2ABqEA0gBUFAaxANciAFQShqEA1yIAVBEGoQDXJFIQsMAQsLIAQgDksgByACS3INAEFsIQsgACAMSw0BIAxBfWohCQNAQQAgACAJSSAFQdgAahAEGwRAIAAgBiAFQdgAaiAIEAJBAnRqIgovAQA7AAAgBUHYAGogCi0AAhABIAAgCi0AA2oiACAGIAVB2ABqIAgQAkECdGoiCi8BADsAACAFQdgAaiAKLQACEAEgACAKLQADaiEADAEFIAxBfmohCgNAIAVB2ABqEAQgACAKS3JFBEAgACAGIAVB2ABqIAgQAkECdGoiCS8BADsAACAFQdgAaiAJLQACEAEgACAJLQADaiEADAELCwNAIAAgCk0EQCAAIAYgBUHYAGogCBACQQJ0aiIJLwEAOwAAIAVB2ABqIAktAAIQASAAIAktAANqIQAMAQsLAkAgACAMTw0AIAAgBiAFQdgAaiAIEAIiAEECdGoiDC0AADoAACAMLQADQQFGBEAgBUHYAGogDC0AAhABDAELIAUoAlxBH0sNACAFQdgAaiAGIABBAnRqLQACEAEgBSgCXEEhSQ0AIAVBIDYCXAsgAkF9aiEMA0BBACAHIAxJIAVBQGsQBBsEQCAHIAYgBUFAayAIEAJBAnRqIgAvAQA7AAAgBUFAayAALQACEAEgByAALQADaiIAIAYgBUFAayAIEAJBAnRqIgcvAQA7AAAgBUFAayAHLQACEAEgACAHLQADaiEHDAEFIAJBfmohDANAIAVBQGsQBCAHIAxLckUEQCAHIAYgBUFAayAIEAJBAnRqIgAvAQA7AAAgBUFAayAALQACEAEgByAALQADaiEHDAELCwNAIAcgDE0EQCAHIAYgBUFAayAIEAJBAnRqIgAvAQA7AAAgBUFAayAALQACEAEgByAALQADaiEHDAELCwJAIAcgAk8NACAHIAYgBUFAayAIEAIiAEECdGoiAi0AADoAACACLQADQQFGBEAgBUFAayACLQACEAEMAQsgBSgCREEfSw0AIAVBQGsgBiAAQQJ0ai0AAhABIAUoAkRBIUkNACAFQSA2AkQLIA5BfWohAgNAQQAgBCACSSAFQShqEAQbBEAgBCAGIAVBKGogCBACQQJ0aiIALwEAOwAAIAVBKGogAC0AAhABIAQgAC0AA2oiACAGIAVBKGogCBACQQJ0aiIELwEAOwAAIAVBKGogBC0AAhABIAAgBC0AA2ohBAwBBSAOQX5qIQIDQCAFQShqEAQgBCACS3JFBEAgBCAGIAVBKGogCBACQQJ0aiIALwEAOwAAIAVBKGogAC0AAhABIAQgAC0AA2ohBAwBCwsDQCAEIAJNBEAgBCAGIAVBKGogCBACQQJ0aiIALwEAOwAAIAVBKGogAC0AAhABIAQgAC0AA2ohBAwBCwsCQCAEIA5PDQAgBCAGIAVBKGogCBACIgBBAnRqIgItAAA6AAAgAi0AA0EBRgRAIAVBKGogAi0AAhABDAELIAUoAixBH0sNACAFQShqIAYgAEECdGotAAIQASAFKAIsQSFJDQAgBUEgNgIsCwNAQQAgAyAQSSAFQRBqEAQbBEAgAyAGIAVBEGogCBACQQJ0aiIALwEAOwAAIAVBEGogAC0AAhABIAMgAC0AA2oiACAGIAVBEGogCBACQQJ0aiICLwEAOwAAIAVBEGogAi0AAhABIAAgAi0AA2ohAwwBBSAPQX5qIQIDQCAFQRBqEAQgAyACS3JFBEAgAyAGIAVBEGogCBACQQJ0aiIALwEAOwAAIAVBEGogAC0AAhABIAMgAC0AA2ohAwwBCwsDQCADIAJNBEAgAyAGIAVBEGogCBACQQJ0aiIALwEAOwAAIAVBEGogAC0AAhABIAMgAC0AA2ohAwwBCwsCQCADIA9PDQAgAyAGIAVBEGogCBACIgBBAnRqIgItAAA6AAAgAi0AA0EBRgRAIAVBEGogAi0AAhABDAELIAUoAhRBH0sNACAFQRBqIAYgAEECdGotAAIQASAFKAIUQSFJDQAgBUEgNgIUCyABQWwgBUHYAGoQCiAFQUBrEApxIAVBKGoQCnEgBUEQahAKcRshCwwJCwAACwALAAALAAsAAAsACwAACwALQWwhCwsgBUHwAGokACALC7UEAQ5/IwBBEGsiBiQAIAZBBGogABAOQVQhBQJAIARB3AtJDQAgBi0ABCEHIANB8ARqQQBB7AAQECEIIAdBDEsNACADQdwJaiIJIAggBkEIaiAGQQxqIAEgAhAxIhAQA0UEQCAGKAIMIgQgB0sNASADQdwFaiEPIANBpAVqIREgAEEEaiESIANBqAVqIQEgBCEFA0AgBSICQX9qIQUgCCACQQJ0aigCAEUNAAsgAkEBaiEOQQEhBQNAIAUgDk9FBEAgCCAFQQJ0IgtqKAIAIQwgASALaiAKNgIAIAVBAWohBSAKIAxqIQoMAQsLIAEgCjYCAEEAIQUgBigCCCELA0AgBSALRkUEQCABIAUgCWotAAAiDEECdGoiDSANKAIAIg1BAWo2AgAgDyANQQF0aiINIAw6AAEgDSAFOgAAIAVBAWohBQwBCwtBACEBIANBADYCqAUgBEF/cyAHaiEJQQEhBQNAIAUgDk9FBEAgCCAFQQJ0IgtqKAIAIQwgAyALaiABNgIAIAwgBSAJanQgAWohASAFQQFqIQUMAQsLIAcgBEEBaiIBIAJrIgRrQQFqIQgDQEEBIQUgBCAIT0UEQANAIAUgDk9FBEAgBUECdCIJIAMgBEE0bGpqIAMgCWooAgAgBHY2AgAgBUEBaiEFDAELCyAEQQFqIQQMAQsLIBIgByAPIAogESADIAIgARBkIAZBAToABSAGIAc6AAYgACAGKAIENgIACyAQIQULIAZBEGokACAFC8ENAQt/IwBB8ABrIgUkAEFsIQkCQCADQQpJDQAgAi8AACEKIAIvAAIhDCACLwAEIQYgBUEIaiAEEA4CQCADIAYgCiAMampBBmoiDUkNACAFLQAKIQcgBUHYAGogAkEGaiICIAoQBiIJEAMNASAFQUBrIAIgCmoiAiAMEAYiCRADDQEgBUEoaiACIAxqIgIgBhAGIgkQAw0BIAVBEGogAiAGaiADIA1rEAYiCRADDQEgACABaiIOQX1qIQ8gBEEEaiEGQQEhCSAAIAFBA2pBAnYiAmoiCiACaiIMIAJqIg0hAyAMIQQgCiECA0AgCSADIA9JcQRAIAYgBUHYAGogBxACQQF0aiIILQAAIQsgBUHYAGogCC0AARABIAAgCzoAACAGIAVBQGsgBxACQQF0aiIILQAAIQsgBUFAayAILQABEAEgAiALOgAAIAYgBUEoaiAHEAJBAXRqIggtAAAhCyAFQShqIAgtAAEQASAEIAs6AAAgBiAFQRBqIAcQAkEBdGoiCC0AACELIAVBEGogCC0AARABIAMgCzoAACAGIAVB2ABqIAcQAkEBdGoiCC0AACELIAVB2ABqIAgtAAEQASAAIAs6AAEgBiAFQUBrIAcQAkEBdGoiCC0AACELIAVBQGsgCC0AARABIAIgCzoAASAGIAVBKGogBxACQQF0aiIILQAAIQsgBUEoaiAILQABEAEgBCALOgABIAYgBUEQaiAHEAJBAXRqIggtAAAhCyAFQRBqIAgtAAEQASADIAs6AAEgA0ECaiEDIARBAmohBCACQQJqIQIgAEECaiEAIAkgBUHYAGoQDUVxIAVBQGsQDUVxIAVBKGoQDUVxIAVBEGoQDUVxIQkMAQsLIAQgDUsgAiAMS3INAEFsIQkgACAKSw0BIApBfWohCQNAIAVB2ABqEAQgACAJT3JFBEAgBiAFQdgAaiAHEAJBAXRqIggtAAAhCyAFQdgAaiAILQABEAEgACALOgAAIAYgBUHYAGogBxACQQF0aiIILQAAIQsgBUHYAGogCC0AARABIAAgCzoAASAAQQJqIQAMAQsLA0AgBUHYAGoQBCAAIApPckUEQCAGIAVB2ABqIAcQAkEBdGoiCS0AACEIIAVB2ABqIAktAAEQASAAIAg6AAAgAEEBaiEADAELCwNAIAAgCkkEQCAGIAVB2ABqIAcQAkEBdGoiCS0AACEIIAVB2ABqIAktAAEQASAAIAg6AAAgAEEBaiEADAELCyAMQX1qIQADQCAFQUBrEAQgAiAAT3JFBEAgBiAFQUBrIAcQAkEBdGoiCi0AACEJIAVBQGsgCi0AARABIAIgCToAACAGIAVBQGsgBxACQQF0aiIKLQAAIQkgBUFAayAKLQABEAEgAiAJOgABIAJBAmohAgwBCwsDQCAFQUBrEAQgAiAMT3JFBEAgBiAFQUBrIAcQAkEBdGoiAC0AACEKIAVBQGsgAC0AARABIAIgCjoAACACQQFqIQIMAQsLA0AgAiAMSQRAIAYgBUFAayAHEAJBAXRqIgAtAAAhCiAFQUBrIAAtAAEQASACIAo6AAAgAkEBaiECDAELCyANQX1qIQADQCAFQShqEAQgBCAAT3JFBEAgBiAFQShqIAcQAkEBdGoiAi0AACEKIAVBKGogAi0AARABIAQgCjoAACAGIAVBKGogBxACQQF0aiICLQAAIQogBUEoaiACLQABEAEgBCAKOgABIARBAmohBAwBCwsDQCAFQShqEAQgBCANT3JFBEAgBiAFQShqIAcQAkEBdGoiAC0AACECIAVBKGogAC0AARABIAQgAjoAACAEQQFqIQQMAQsLA0AgBCANSQRAIAYgBUEoaiAHEAJBAXRqIgAtAAAhAiAFQShqIAAtAAEQASAEIAI6AAAgBEEBaiEEDAELCwNAIAVBEGoQBCADIA9PckUEQCAGIAVBEGogBxACQQF0aiIALQAAIQIgBUEQaiAALQABEAEgAyACOgAAIAYgBUEQaiAHEAJBAXRqIgAtAAAhAiAFQRBqIAAtAAEQASADIAI6AAEgA0ECaiEDDAELCwNAIAVBEGoQBCADIA5PckUEQCAGIAVBEGogBxACQQF0aiIALQAAIQIgBUEQaiAALQABEAEgAyACOgAAIANBAWohAwwBCwsDQCADIA5JBEAgBiAFQRBqIAcQAkEBdGoiAC0AACECIAVBEGogAC0AARABIAMgAjoAACADQQFqIQMMAQsLIAFBbCAFQdgAahAKIAVBQGsQCnEgBUEoahAKcSAFQRBqEApxGyEJDAELQWwhCQsgBUHwAGokACAJC8oCAQR/IwBBIGsiBSQAIAUgBBAOIAUtAAIhByAFQQhqIAIgAxAGIgIQA0UEQCAEQQRqIQIgACABaiIDQX1qIQQDQCAFQQhqEAQgACAET3JFBEAgAiAFQQhqIAcQAkEBdGoiBi0AACEIIAVBCGogBi0AARABIAAgCDoAACACIAVBCGogBxACQQF0aiIGLQAAIQggBUEIaiAGLQABEAEgACAIOgABIABBAmohAAwBCwsDQCAFQQhqEAQgACADT3JFBEAgAiAFQQhqIAcQAkEBdGoiBC0AACEGIAVBCGogBC0AARABIAAgBjoAACAAQQFqIQAMAQsLA0AgACADT0UEQCACIAVBCGogBxACQQF0aiIELQAAIQYgBUEIaiAELQABEAEgACAGOgAAIABBAWohAAwBCwsgAUFsIAVBCGoQChshAgsgBUEgaiQAIAILtgMBCX8jAEEQayIGJAAgBkEANgIMIAZBADYCCEFUIQQCQAJAIANBQGsiDCADIAZBCGogBkEMaiABIAIQMSICEAMNACAGQQRqIAAQDiAGKAIMIgcgBi0ABEEBaksNASAAQQRqIQogBkEAOgAFIAYgBzoABiAAIAYoAgQ2AgAgB0EBaiEJQQEhBANAIAQgCUkEQCADIARBAnRqIgEoAgAhACABIAU2AgAgACAEQX9qdCAFaiEFIARBAWohBAwBCwsgB0EBaiEHQQAhBSAGKAIIIQkDQCAFIAlGDQEgAyAFIAxqLQAAIgRBAnRqIgBBASAEdEEBdSILIAAoAgAiAWoiADYCACAHIARrIQhBACEEAkAgC0EDTQRAA0AgBCALRg0CIAogASAEakEBdGoiACAIOgABIAAgBToAACAEQQFqIQQMAAALAAsDQCABIABPDQEgCiABQQF0aiIEIAg6AAEgBCAFOgAAIAQgCDoAAyAEIAU6AAIgBCAIOgAFIAQgBToABCAEIAg6AAcgBCAFOgAGIAFBBGohAQwAAAsACyAFQQFqIQUMAAALAAsgAiEECyAGQRBqJAAgBAutAQECfwJAQYQgKAIAIABHIAAoAgBBAXYiAyABa0F4aiICQXhxQQhHcgR/IAIFIAMQJ0UNASACQQhqC0EQSQ0AIAAgACgCACICQQFxIAAgAWpBD2pBeHEiASAAa0EBdHI2AgAgASAANgIEIAEgASgCAEEBcSAAIAJBAXZqIAFrIgJBAXRyNgIAQYQgIAEgAkH/////B3FqQQRqQYQgKAIAIABGGyABNgIAIAEQJQsLygIBBX8CQAJAAkAgAEEIIABBCEsbZ0EfcyAAaUEBR2oiAUEESSAAIAF2cg0AIAFBAnRB/B5qKAIAIgJFDQADQCACQXhqIgMoAgBBAXZBeGoiBSAATwRAIAIgBUEIIAVBCEsbZ0Efc0ECdEGAH2oiASgCAEYEQCABIAIoAgQ2AgALDAMLIARBHksNASAEQQFqIQQgAigCBCICDQALC0EAIQMgAUEgTw0BA0AgAUECdEGAH2ooAgAiAkUEQCABQR5LIQIgAUEBaiEBIAJFDQEMAwsLIAIgAkF4aiIDKAIAQQF2QXhqIgFBCCABQQhLG2dBH3NBAnRBgB9qIgEoAgBGBEAgASACKAIENgIACwsgAigCACIBBEAgASACKAIENgIECyACKAIEIgEEQCABIAIoAgA2AgALIAMgAygCAEEBcjYCACADIAAQNwsgAwvhCwINfwV+IwBB8ABrIgckACAHIAAoAvDhASIINgJcIAEgAmohDSAIIAAoAoDiAWohDwJAAkAgBUUEQCABIQQMAQsgACgCxOABIRAgACgCwOABIREgACgCvOABIQ4gAEEBNgKM4QFBACEIA0AgCEEDRwRAIAcgCEECdCICaiAAIAJqQazQAWooAgA2AkQgCEEBaiEIDAELC0FsIQwgB0EYaiADIAQQBhADDQEgB0EsaiAHQRhqIAAoAgAQEyAHQTRqIAdBGGogACgCCBATIAdBPGogB0EYaiAAKAIEEBMgDUFgaiESIAEhBEEAIQwDQCAHKAIwIAcoAixBA3RqKQIAIhRCEIinQf8BcSEIIAcoAkAgBygCPEEDdGopAgAiFUIQiKdB/wFxIQsgBygCOCAHKAI0QQN0aikCACIWQiCIpyEJIBVCIIghFyAUQiCIpyECAkAgFkIQiKdB/wFxIgNBAk8EQAJAIAZFIANBGUlyRQRAIAkgB0EYaiADQSAgBygCHGsiCiAKIANLGyIKEAUgAyAKayIDdGohCSAHQRhqEAQaIANFDQEgB0EYaiADEAUgCWohCQwBCyAHQRhqIAMQBSAJaiEJIAdBGGoQBBoLIAcpAkQhGCAHIAk2AkQgByAYNwNIDAELAkAgA0UEQCACBEAgBygCRCEJDAMLIAcoAkghCQwBCwJAAkAgB0EYakEBEAUgCSACRWpqIgNBA0YEQCAHKAJEQX9qIgMgA0VqIQkMAQsgA0ECdCAHaigCRCIJIAlFaiEJIANBAUYNAQsgByAHKAJINgJMCwsgByAHKAJENgJIIAcgCTYCRAsgF6chAyALBEAgB0EYaiALEAUgA2ohAwsgCCALakEUTwRAIAdBGGoQBBoLIAgEQCAHQRhqIAgQBSACaiECCyAHQRhqEAQaIAcgB0EYaiAUQhiIp0H/AXEQCCAUp0H//wNxajYCLCAHIAdBGGogFUIYiKdB/wFxEAggFadB//8DcWo2AjwgB0EYahAEGiAHIAdBGGogFkIYiKdB/wFxEAggFqdB//8DcWo2AjQgByACNgJgIAcoAlwhCiAHIAk2AmggByADNgJkAkACQAJAIAQgAiADaiILaiASSw0AIAIgCmoiEyAPSw0AIA0gBGsgC0Egak8NAQsgByAHKQNoNwMQIAcgBykDYDcDCCAEIA0gB0EIaiAHQdwAaiAPIA4gESAQEB4hCwwBCyACIARqIQggBCAKEAcgAkERTwRAIARBEGohAgNAIAIgCkEQaiIKEAcgAkEQaiICIAhJDQALCyAIIAlrIQIgByATNgJcIAkgCCAOa0sEQCAJIAggEWtLBEBBbCELDAILIBAgAiAOayICaiIKIANqIBBNBEAgCCAKIAMQDxoMAgsgCCAKQQAgAmsQDyEIIAcgAiADaiIDNgJkIAggAmshCCAOIQILIAlBEE8EQCADIAhqIQMDQCAIIAIQByACQRBqIQIgCEEQaiIIIANJDQALDAELAkAgCUEHTQRAIAggAi0AADoAACAIIAItAAE6AAEgCCACLQACOgACIAggAi0AAzoAAyAIQQRqIAIgCUECdCIDQcAeaigCAGoiAhAXIAIgA0HgHmooAgBrIQIgBygCZCEDDAELIAggAhAMCyADQQlJDQAgAyAIaiEDIAhBCGoiCCACQQhqIgJrQQ9MBEADQCAIIAIQDCACQQhqIQIgCEEIaiIIIANJDQAMAgALAAsDQCAIIAIQByACQRBqIQIgCEEQaiIIIANJDQALCyAHQRhqEAQaIAsgDCALEAMiAhshDCAEIAQgC2ogAhshBCAFQX9qIgUNAAsgDBADDQFBbCEMIAdBGGoQBEECSQ0BQQAhCANAIAhBA0cEQCAAIAhBAnQiAmpBrNABaiACIAdqKAJENgIAIAhBAWohCAwBCwsgBygCXCEIC0G6fyEMIA8gCGsiACANIARrSw0AIAQEfyAEIAggABALIABqBUEACyABayEMCyAHQfAAaiQAIAwLkRcCFn8FfiMAQdABayIHJAAgByAAKALw4QEiCDYCvAEgASACaiESIAggACgCgOIBaiETAkACQCAFRQRAIAEhAwwBCyAAKALE4AEhESAAKALA4AEhFSAAKAK84AEhDyAAQQE2AozhAUEAIQgDQCAIQQNHBEAgByAIQQJ0IgJqIAAgAmpBrNABaigCADYCVCAIQQFqIQgMAQsLIAcgETYCZCAHIA82AmAgByABIA9rNgJoQWwhECAHQShqIAMgBBAGEAMNASAFQQQgBUEESBshFyAHQTxqIAdBKGogACgCABATIAdBxABqIAdBKGogACgCCBATIAdBzABqIAdBKGogACgCBBATQQAhBCAHQeAAaiEMIAdB5ABqIQoDQCAHQShqEARBAksgBCAXTnJFBEAgBygCQCAHKAI8QQN0aikCACIdQhCIp0H/AXEhCyAHKAJQIAcoAkxBA3RqKQIAIh5CEIinQf8BcSEJIAcoAkggBygCREEDdGopAgAiH0IgiKchCCAeQiCIISAgHUIgiKchAgJAIB9CEIinQf8BcSIDQQJPBEACQCAGRSADQRlJckUEQCAIIAdBKGogA0EgIAcoAixrIg0gDSADSxsiDRAFIAMgDWsiA3RqIQggB0EoahAEGiADRQ0BIAdBKGogAxAFIAhqIQgMAQsgB0EoaiADEAUgCGohCCAHQShqEAQaCyAHKQJUISEgByAINgJUIAcgITcDWAwBCwJAIANFBEAgAgRAIAcoAlQhCAwDCyAHKAJYIQgMAQsCQAJAIAdBKGpBARAFIAggAkVqaiIDQQNGBEAgBygCVEF/aiIDIANFaiEIDAELIANBAnQgB2ooAlQiCCAIRWohCCADQQFGDQELIAcgBygCWDYCXAsLIAcgBygCVDYCWCAHIAg2AlQLICCnIQMgCQRAIAdBKGogCRAFIANqIQMLIAkgC2pBFE8EQCAHQShqEAQaCyALBEAgB0EoaiALEAUgAmohAgsgB0EoahAEGiAHIAcoAmggAmoiCSADajYCaCAKIAwgCCAJSxsoAgAhDSAHIAdBKGogHUIYiKdB/wFxEAggHadB//8DcWo2AjwgByAHQShqIB5CGIinQf8BcRAIIB6nQf//A3FqNgJMIAdBKGoQBBogB0EoaiAfQhiIp0H/AXEQCCEOIAdB8ABqIARBBHRqIgsgCSANaiAIazYCDCALIAg2AgggCyADNgIEIAsgAjYCACAHIA4gH6dB//8DcWo2AkQgBEEBaiEEDAELCyAEIBdIDQEgEkFgaiEYIAdB4ABqIRogB0HkAGohGyABIQMDQCAHQShqEARBAksgBCAFTnJFBEAgBygCQCAHKAI8QQN0aikCACIdQhCIp0H/AXEhCyAHKAJQIAcoAkxBA3RqKQIAIh5CEIinQf8BcSEIIAcoAkggBygCREEDdGopAgAiH0IgiKchCSAeQiCIISAgHUIgiKchDAJAIB9CEIinQf8BcSICQQJPBEACQCAGRSACQRlJckUEQCAJIAdBKGogAkEgIAcoAixrIgogCiACSxsiChAFIAIgCmsiAnRqIQkgB0EoahAEGiACRQ0BIAdBKGogAhAFIAlqIQkMAQsgB0EoaiACEAUgCWohCSAHQShqEAQaCyAHKQJUISEgByAJNgJUIAcgITcDWAwBCwJAIAJFBEAgDARAIAcoAlQhCQwDCyAHKAJYIQkMAQsCQAJAIAdBKGpBARAFIAkgDEVqaiICQQNGBEAgBygCVEF/aiICIAJFaiEJDAELIAJBAnQgB2ooAlQiCSAJRWohCSACQQFGDQELIAcgBygCWDYCXAsLIAcgBygCVDYCWCAHIAk2AlQLICCnIRQgCARAIAdBKGogCBAFIBRqIRQLIAggC2pBFE8EQCAHQShqEAQaCyALBEAgB0EoaiALEAUgDGohDAsgB0EoahAEGiAHIAcoAmggDGoiGSAUajYCaCAbIBogCSAZSxsoAgAhHCAHIAdBKGogHUIYiKdB/wFxEAggHadB//8DcWo2AjwgByAHQShqIB5CGIinQf8BcRAIIB6nQf//A3FqNgJMIAdBKGoQBBogByAHQShqIB9CGIinQf8BcRAIIB+nQf//A3FqNgJEIAcgB0HwAGogBEEDcUEEdGoiDSkDCCIdNwPIASAHIA0pAwAiHjcDwAECQAJAAkAgBygCvAEiDiAepyICaiIWIBNLDQAgAyAHKALEASIKIAJqIgtqIBhLDQAgEiADayALQSBqTw0BCyAHIAcpA8gBNwMQIAcgBykDwAE3AwggAyASIAdBCGogB0G8AWogEyAPIBUgERAeIQsMAQsgAiADaiEIIAMgDhAHIAJBEU8EQCADQRBqIQIDQCACIA5BEGoiDhAHIAJBEGoiAiAISQ0ACwsgCCAdpyIOayECIAcgFjYCvAEgDiAIIA9rSwRAIA4gCCAVa0sEQEFsIQsMAgsgESACIA9rIgJqIhYgCmogEU0EQCAIIBYgChAPGgwCCyAIIBZBACACaxAPIQggByACIApqIgo2AsQBIAggAmshCCAPIQILIA5BEE8EQCAIIApqIQoDQCAIIAIQByACQRBqIQIgCEEQaiIIIApJDQALDAELAkAgDkEHTQRAIAggAi0AADoAACAIIAItAAE6AAEgCCACLQACOgACIAggAi0AAzoAAyAIQQRqIAIgDkECdCIKQcAeaigCAGoiAhAXIAIgCkHgHmooAgBrIQIgBygCxAEhCgwBCyAIIAIQDAsgCkEJSQ0AIAggCmohCiAIQQhqIgggAkEIaiICa0EPTARAA0AgCCACEAwgAkEIaiECIAhBCGoiCCAKSQ0ADAIACwALA0AgCCACEAcgAkEQaiECIAhBEGoiCCAKSQ0ACwsgCxADBEAgCyEQDAQFIA0gDDYCACANIBkgHGogCWs2AgwgDSAJNgIIIA0gFDYCBCAEQQFqIQQgAyALaiEDDAILAAsLIAQgBUgNASAEIBdrIQtBACEEA0AgCyAFSARAIAcgB0HwAGogC0EDcUEEdGoiAikDCCIdNwPIASAHIAIpAwAiHjcDwAECQAJAAkAgBygCvAEiDCAepyICaiIKIBNLDQAgAyAHKALEASIJIAJqIhBqIBhLDQAgEiADayAQQSBqTw0BCyAHIAcpA8gBNwMgIAcgBykDwAE3AxggAyASIAdBGGogB0G8AWogEyAPIBUgERAeIRAMAQsgAiADaiEIIAMgDBAHIAJBEU8EQCADQRBqIQIDQCACIAxBEGoiDBAHIAJBEGoiAiAISQ0ACwsgCCAdpyIGayECIAcgCjYCvAEgBiAIIA9rSwRAIAYgCCAVa0sEQEFsIRAMAgsgESACIA9rIgJqIgwgCWogEU0EQCAIIAwgCRAPGgwCCyAIIAxBACACaxAPIQggByACIAlqIgk2AsQBIAggAmshCCAPIQILIAZBEE8EQCAIIAlqIQYDQCAIIAIQByACQRBqIQIgCEEQaiIIIAZJDQALDAELAkAgBkEHTQRAIAggAi0AADoAACAIIAItAAE6AAEgCCACLQACOgACIAggAi0AAzoAAyAIQQRqIAIgBkECdCIGQcAeaigCAGoiAhAXIAIgBkHgHmooAgBrIQIgBygCxAEhCQwBCyAIIAIQDAsgCUEJSQ0AIAggCWohBiAIQQhqIgggAkEIaiICa0EPTARAA0AgCCACEAwgAkEIaiECIAhBCGoiCCAGSQ0ADAIACwALA0AgCCACEAcgAkEQaiECIAhBEGoiCCAGSQ0ACwsgEBADDQMgC0EBaiELIAMgEGohAwwBCwsDQCAEQQNHBEAgACAEQQJ0IgJqQazQAWogAiAHaigCVDYCACAEQQFqIQQMAQsLIAcoArwBIQgLQbp/IRAgEyAIayIAIBIgA2tLDQAgAwR/IAMgCCAAEAsgAGoFQQALIAFrIRALIAdB0AFqJAAgEAslACAAQgA3AgAgAEEAOwEIIABBADoACyAAIAE2AgwgACACOgAKC7QFAQN/IwBBMGsiBCQAIABB/wFqIgVBfWohBgJAIAMvAQIEQCAEQRhqIAEgAhAGIgIQAw0BIARBEGogBEEYaiADEBwgBEEIaiAEQRhqIAMQHCAAIQMDQAJAIARBGGoQBCADIAZPckUEQCADIARBEGogBEEYahASOgAAIAMgBEEIaiAEQRhqEBI6AAEgBEEYahAERQ0BIANBAmohAwsgBUF+aiEFAn8DQEG6fyECIAMiASAFSw0FIAEgBEEQaiAEQRhqEBI6AAAgAUEBaiEDIARBGGoQBEEDRgRAQQIhAiAEQQhqDAILIAMgBUsNBSABIARBCGogBEEYahASOgABIAFBAmohA0EDIQIgBEEYahAEQQNHDQALIARBEGoLIQUgAyAFIARBGGoQEjoAACABIAJqIABrIQIMAwsgAyAEQRBqIARBGGoQEjoAAiADIARBCGogBEEYahASOgADIANBBGohAwwAAAsACyAEQRhqIAEgAhAGIgIQAw0AIARBEGogBEEYaiADEBwgBEEIaiAEQRhqIAMQHCAAIQMDQAJAIARBGGoQBCADIAZPckUEQCADIARBEGogBEEYahAROgAAIAMgBEEIaiAEQRhqEBE6AAEgBEEYahAERQ0BIANBAmohAwsgBUF+aiEFAn8DQEG6fyECIAMiASAFSw0EIAEgBEEQaiAEQRhqEBE6AAAgAUEBaiEDIARBGGoQBEEDRgRAQQIhAiAEQQhqDAILIAMgBUsNBCABIARBCGogBEEYahAROgABIAFBAmohA0EDIQIgBEEYahAEQQNHDQALIARBEGoLIQUgAyAFIARBGGoQEToAACABIAJqIABrIQIMAgsgAyAEQRBqIARBGGoQEToAAiADIARBCGogBEEYahAROgADIANBBGohAwwAAAsACyAEQTBqJAAgAgtpAQF/An8CQAJAIAJBB00NACABKAAAQbfIwuF+Rw0AIAAgASgABDYCmOIBQWIgAEEQaiABIAIQPiIDEAMNAhogAEKBgICAEDcDiOEBIAAgASADaiACIANrECoMAQsgACABIAIQKgtBAAsLrQMBBn8jAEGAAWsiAyQAQWIhCAJAIAJBCUkNACAAQZjQAGogAUEIaiIEIAJBeGogAEGY0AAQMyIFEAMiBg0AIANBHzYCfCADIANB/ABqIANB+ABqIAQgBCAFaiAGGyIEIAEgAmoiAiAEaxAVIgUQAw0AIAMoAnwiBkEfSw0AIAMoAngiB0EJTw0AIABBiCBqIAMgBkGAC0GADCAHEBggA0E0NgJ8IAMgA0H8AGogA0H4AGogBCAFaiIEIAIgBGsQFSIFEAMNACADKAJ8IgZBNEsNACADKAJ4IgdBCk8NACAAQZAwaiADIAZBgA1B4A4gBxAYIANBIzYCfCADIANB/ABqIANB+ABqIAQgBWoiBCACIARrEBUiBRADDQAgAygCfCIGQSNLDQAgAygCeCIHQQpPDQAgACADIAZBwBBB0BEgBxAYIAQgBWoiBEEMaiIFIAJLDQAgAiAFayEFQQAhAgNAIAJBA0cEQCAEKAAAIgZBf2ogBU8NAiAAIAJBAnRqQZzQAWogBjYCACACQQFqIQIgBEEEaiEEDAELCyAEIAFrIQgLIANBgAFqJAAgCAtGAQN/IABBCGohAyAAKAIEIQJBACEAA0AgACACdkUEQCABIAMgAEEDdGotAAJBFktqIQEgAEEBaiEADAELCyABQQggAmt0C4YDAQV/Qbh/IQcCQCADRQ0AIAItAAAiBEUEQCABQQA2AgBBAUG4fyADQQFGGw8LAn8gAkEBaiIFIARBGHRBGHUiBkF/Sg0AGiAGQX9GBEAgA0EDSA0CIAUvAABBgP4BaiEEIAJBA2oMAQsgA0ECSA0BIAItAAEgBEEIdHJBgIB+aiEEIAJBAmoLIQUgASAENgIAIAVBAWoiASACIANqIgNLDQBBbCEHIABBEGogACAFLQAAIgVBBnZBI0EJIAEgAyABa0HAEEHQEUHwEiAAKAKM4QEgACgCnOIBIAQQHyIGEAMiCA0AIABBmCBqIABBCGogBUEEdkEDcUEfQQggASABIAZqIAgbIgEgAyABa0GAC0GADEGAFyAAKAKM4QEgACgCnOIBIAQQHyIGEAMiCA0AIABBoDBqIABBBGogBUECdkEDcUE0QQkgASABIAZqIAgbIgEgAyABa0GADUHgDkGQGSAAKAKM4QEgACgCnOIBIAQQHyIAEAMNACAAIAFqIAJrIQcLIAcLrQMBCn8jAEGABGsiCCQAAn9BUiACQf8BSw0AGkFUIANBDEsNABogAkEBaiELIABBBGohCUGAgAQgA0F/anRBEHUhCkEAIQJBASEEQQEgA3QiB0F/aiIMIQUDQCACIAtGRQRAAkAgASACQQF0Ig1qLwEAIgZB//8DRgRAIAkgBUECdGogAjoAAiAFQX9qIQVBASEGDAELIARBACAKIAZBEHRBEHVKGyEECyAIIA1qIAY7AQAgAkEBaiECDAELCyAAIAQ7AQIgACADOwEAIAdBA3YgB0EBdmpBA2ohBkEAIQRBACECA0AgBCALRkUEQCABIARBAXRqLgEAIQpBACEAA0AgACAKTkUEQCAJIAJBAnRqIAQ6AAIDQCACIAZqIAxxIgIgBUsNAAsgAEEBaiEADAELCyAEQQFqIQQMAQsLQX8gAg0AGkEAIQIDfyACIAdGBH9BAAUgCCAJIAJBAnRqIgAtAAJBAXRqIgEgAS8BACIBQQFqOwEAIAAgAyABEBRrIgU6AAMgACABIAVB/wFxdCAHazsBACACQQFqIQIMAQsLCyEFIAhBgARqJAAgBQvjBgEIf0FsIQcCQCACQQNJDQACQAJAAkACQCABLQAAIgNBA3EiCUEBaw4DAwEAAgsgACgCiOEBDQBBYg8LIAJBBUkNAkEDIQYgASgAACEFAn8CQAJAIANBAnZBA3EiCEF+aiIEQQFNBEAgBEEBaw0BDAILIAVBDnZB/wdxIQQgBUEEdkH/B3EhAyAIRQwCCyAFQRJ2IQRBBCEGIAVBBHZB//8AcSEDQQAMAQsgBUEEdkH//w9xIgNBgIAISw0DIAEtAARBCnQgBUEWdnIhBEEFIQZBAAshBSAEIAZqIgogAksNAgJAIANBgQZJDQAgACgCnOIBRQ0AQQAhAgNAIAJBg4ABSw0BIAJBQGshAgwAAAsACwJ/IAlBA0YEQCABIAZqIQEgAEHw4gFqIQIgACgCDCEGIAUEQCACIAMgASAEIAYQXwwCCyACIAMgASAEIAYQXQwBCyAAQbjQAWohAiABIAZqIQEgAEHw4gFqIQYgAEGo0ABqIQggBQRAIAggBiADIAEgBCACEF4MAQsgCCAGIAMgASAEIAIQXAsQAw0CIAAgAzYCgOIBIABBATYCiOEBIAAgAEHw4gFqNgLw4QEgCUECRgRAIAAgAEGo0ABqNgIMCyAAIANqIgBBiOMBakIANwAAIABBgOMBakIANwAAIABB+OIBakIANwAAIABB8OIBakIANwAAIAoPCwJ/AkACQAJAIANBAnZBA3FBf2oiBEECSw0AIARBAWsOAgACAQtBASEEIANBA3YMAgtBAiEEIAEvAABBBHYMAQtBAyEEIAEQIUEEdgsiAyAEaiIFQSBqIAJLBEAgBSACSw0CIABB8OIBaiABIARqIAMQCyEBIAAgAzYCgOIBIAAgATYC8OEBIAEgA2oiAEIANwAYIABCADcAECAAQgA3AAggAEIANwAAIAUPCyAAIAM2AoDiASAAIAEgBGo2AvDhASAFDwsCfwJAAkACQCADQQJ2QQNxQX9qIgRBAksNACAEQQFrDgIAAgELQQEhByADQQN2DAILQQIhByABLwAAQQR2DAELIAJBBEkgARAhIgJBj4CAAUtyDQFBAyEHIAJBBHYLIQIgAEHw4gFqIAEgB2otAAAgAkEgahAQIQEgACACNgKA4gEgACABNgLw4QEgB0EBaiEHCyAHC0sAIABC+erQ0OfJoeThADcDICAAQgA3AxggAELP1tO+0ser2UI3AxAgAELW64Lu6v2J9eAANwMIIABCADcDACAAQShqQQBBKBAQGgviAgICfwV+IABBKGoiASAAKAJIaiECAn4gACkDACIDQiBaBEAgACkDECIEQgeJIAApAwgiBUIBiXwgACkDGCIGQgyJfCAAKQMgIgdCEol8IAUQGSAEEBkgBhAZIAcQGQwBCyAAKQMYQsXP2bLx5brqJ3wLIAN8IQMDQCABQQhqIgAgAk0EQEIAIAEpAAAQCSADhUIbiUKHla+vmLbem55/fkLj3MqV/M7y9YV/fCEDIAAhAQwBCwsCQCABQQRqIgAgAksEQCABIQAMAQsgASgAAK1Ch5Wvr5i23puef34gA4VCF4lCz9bTvtLHq9lCfkL5893xmfaZqxZ8IQMLA0AgACACSQRAIAAxAABCxc/ZsvHluuonfiADhUILiUKHla+vmLbem55/fiEDIABBAWohAAwBCwsgA0IhiCADhULP1tO+0ser2UJ+IgNCHYggA4VC+fPd8Zn2masWfiIDQiCIIAOFC+8CAgJ/BH4gACAAKQMAIAKtfDcDAAJAAkAgACgCSCIDIAJqIgRBH00EQCABRQ0BIAAgA2pBKGogASACECAgACgCSCACaiEEDAELIAEgAmohAgJ/IAMEQCAAQShqIgQgA2ogAUEgIANrECAgACAAKQMIIAQpAAAQCTcDCCAAIAApAxAgACkAMBAJNwMQIAAgACkDGCAAKQA4EAk3AxggACAAKQMgIABBQGspAAAQCTcDICAAKAJIIQMgAEEANgJIIAEgA2tBIGohAQsgAUEgaiACTQsEQCACQWBqIQMgACkDICEFIAApAxghBiAAKQMQIQcgACkDCCEIA0AgCCABKQAAEAkhCCAHIAEpAAgQCSEHIAYgASkAEBAJIQYgBSABKQAYEAkhBSABQSBqIgEgA00NAAsgACAFNwMgIAAgBjcDGCAAIAc3AxAgACAINwMICyABIAJPDQEgAEEoaiABIAIgAWsiBBAgCyAAIAQ2AkgLCy8BAX8gAEUEQEG2f0EAIAMbDwtBun8hBCADIAFNBH8gACACIAMQEBogAwVBun8LCy8BAX8gAEUEQEG2f0EAIAMbDwtBun8hBCADIAFNBH8gACACIAMQCxogAwVBun8LC6gCAQZ/IwBBEGsiByQAIABB2OABaikDAEKAgIAQViEIQbh/IQUCQCAEQf//B0sNACAAIAMgBBBCIgUQAyIGDQAgACgCnOIBIQkgACAHQQxqIAMgAyAFaiAGGyIKIARBACAFIAYbayIGEEAiAxADBEAgAyEFDAELIAcoAgwhBCABRQRAQbp/IQUgBEEASg0BCyAGIANrIQUgAyAKaiEDAkAgCQRAIABBADYCnOIBDAELAkACQAJAIARBBUgNACAAQdjgAWopAwBCgICACFgNAAwBCyAAQQA2ApziAQwBCyAAKAIIED8hBiAAQQA2ApziASAGQRRPDQELIAAgASACIAMgBSAEIAgQOSEFDAELIAAgASACIAMgBSAEIAgQOiEFCyAHQRBqJAAgBQtnACAAQdDgAWogASACIAAoAuzhARAuIgEQAwRAIAEPC0G4fyECAkAgAQ0AIABB7OABaigCACIBBEBBYCECIAAoApjiASABRw0BC0EAIQIgAEHw4AFqKAIARQ0AIABBkOEBahBDCyACCycBAX8QVyIERQRAQUAPCyAEIAAgASACIAMgBBBLEE8hACAEEFYgAAs/AQF/AkACQAJAIAAoAqDiAUEBaiIBQQJLDQAgAUEBaw4CAAECCyAAEDBBAA8LIABBADYCoOIBCyAAKAKU4gELvAMCB38BfiMAQRBrIgkkAEG4fyEGAkAgBCgCACIIQQVBCSAAKALs4QEiBRtJDQAgAygCACIHQQFBBSAFGyAFEC8iBRADBEAgBSEGDAELIAggBUEDakkNACAAIAcgBRBJIgYQAw0AIAEgAmohCiAAQZDhAWohCyAIIAVrIQIgBSAHaiEHIAEhBQNAIAcgAiAJECwiBhADDQEgAkF9aiICIAZJBEBBuH8hBgwCCyAJKAIAIghBAksEQEFsIQYMAgsgB0EDaiEHAn8CQAJAAkAgCEEBaw4CAgABCyAAIAUgCiAFayAHIAYQSAwCCyAFIAogBWsgByAGEEcMAQsgBSAKIAVrIActAAAgCSgCCBBGCyIIEAMEQCAIIQYMAgsgACgC8OABBEAgCyAFIAgQRQsgAiAGayECIAYgB2ohByAFIAhqIQUgCSgCBEUNAAsgACkD0OABIgxCf1IEQEFsIQYgDCAFIAFrrFINAQsgACgC8OABBEBBaiEGIAJBBEkNASALEEQhDCAHKAAAIAynRw0BIAdBBGohByACQXxqIQILIAMgBzYCACAEIAI2AgAgBSABayEGCyAJQRBqJAAgBgsuACAAECsCf0EAQQAQAw0AGiABRSACRXJFBEBBYiAAIAEgAhA9EAMNARoLQQALCzcAIAEEQCAAIAAoAsTgASABKAIEIAEoAghqRzYCnOIBCyAAECtBABADIAFFckUEQCAAIAEQWwsL0QIBB38jAEEQayIGJAAgBiAENgIIIAYgAzYCDCAFBEAgBSgCBCEKIAUoAgghCQsgASEIAkACQANAIAAoAuzhARAWIQsCQANAIAQgC0kNASADKAAAQXBxQdDUtMIBRgRAIAMgBBAiIgcQAw0EIAQgB2shBCADIAdqIQMMAQsLIAYgAzYCDCAGIAQ2AggCQCAFBEAgACAFEE5BACEHQQAQA0UNAQwFCyAAIAogCRBNIgcQAw0ECyAAIAgQUCAMQQFHQQAgACAIIAIgBkEMaiAGQQhqEEwiByIDa0EAIAMQAxtBCkdyRQRAQbh/IQcMBAsgBxADDQMgAiAHayECIAcgCGohCEEBIQwgBigCDCEDIAYoAgghBAwBCwsgBiADNgIMIAYgBDYCCEG4fyEHIAQNASAIIAFrIQcMAQsgBiADNgIMIAYgBDYCCAsgBkEQaiQAIAcLRgECfyABIAAoArjgASICRwRAIAAgAjYCxOABIAAgATYCuOABIAAoArzgASEDIAAgATYCvOABIAAgASADIAJrajYCwOABCwutAgIEfwF+IwBBQGoiBCQAAkACQCACQQhJDQAgASgAAEFwcUHQ1LTCAUcNACABIAIQIiEBIABCADcDCCAAQQA2AgQgACABNgIADAELIARBGGogASACEC0iAxADBEAgACADEBoMAQsgAwRAIABBuH8QGgwBCyACIAQoAjAiA2shAiABIANqIQMDQAJAIAAgAyACIARBCGoQLCIFEAMEfyAFBSACIAVBA2oiBU8NAUG4fwsQGgwCCyAGQQFqIQYgAiAFayECIAMgBWohAyAEKAIMRQ0ACyAEKAI4BEAgAkEDTQRAIABBuH8QGgwCCyADQQRqIQMLIAQoAighAiAEKQMYIQcgAEEANgIEIAAgAyABazYCACAAIAIgBmytIAcgB0J/URs3AwgLIARBQGskAAslAQF/IwBBEGsiAiQAIAIgACABEFEgAigCACEAIAJBEGokACAAC30BBH8jAEGQBGsiBCQAIARB/wE2AggCQCAEQRBqIARBCGogBEEMaiABIAIQFSIGEAMEQCAGIQUMAQtBVCEFIAQoAgwiB0EGSw0AIAMgBEEQaiAEKAIIIAcQQSIFEAMNACAAIAEgBmogAiAGayADEDwhBQsgBEGQBGokACAFC4cBAgJ/An5BABAWIQMCQANAIAEgA08EQAJAIAAoAABBcHFB0NS0wgFGBEAgACABECIiAhADRQ0BQn4PCyAAIAEQVSIEQn1WDQMgBCAFfCIFIARUIQJCfiEEIAINAyAAIAEQUiICEAMNAwsgASACayEBIAAgAmohAAwBCwtCfiAFIAEbIQQLIAQLPwIBfwF+IwBBMGsiAiQAAn5CfiACQQhqIAAgARAtDQAaQgAgAigCHEEBRg0AGiACKQMICyEDIAJBMGokACADC40BAQJ/IwBBMGsiASQAAkAgAEUNACAAKAKI4gENACABIABB/OEBaigCADYCKCABIAApAvThATcDICAAEDAgACgCqOIBIQIgASABKAIoNgIYIAEgASkDIDcDECACIAFBEGoQGyAAQQA2AqjiASABIAEoAig2AgggASABKQMgNwMAIAAgARAbCyABQTBqJAALKgECfyMAQRBrIgAkACAAQQA2AgggAEIANwMAIAAQWCEBIABBEGokACABC4cBAQN/IwBBEGsiAiQAAkAgACgCAEUgACgCBEVzDQAgAiAAKAIINgIIIAIgACkCADcDAAJ/IAIoAgAiAQRAIAIoAghBqOMJIAERBQAMAQtBqOMJECgLIgFFDQAgASAAKQIANwL04QEgAUH84QFqIAAoAgg2AgAgARBZIAEhAwsgAkEQaiQAIAMLywEBAn8jAEEgayIBJAAgAEGBgIDAADYCtOIBIABBADYCiOIBIABBADYC7OEBIABCADcDkOIBIABBADYCpOMJIABBADYC3OIBIABCADcCzOIBIABBADYCvOIBIABBADYCxOABIABCADcCnOIBIABBpOIBakIANwIAIABBrOIBakEANgIAIAFCADcCECABQgA3AhggASABKQMYNwMIIAEgASkDEDcDACABKAIIQQh2QQFxIQIgAEEANgLg4gEgACACNgKM4gEgAUEgaiQAC3YBA38jAEEwayIBJAAgAARAIAEgAEHE0AFqIgIoAgA2AiggASAAKQK80AE3AyAgACgCACEDIAEgAigCADYCGCABIAApArzQATcDECADIAFBEGoQGyABIAEoAig2AgggASABKQMgNwMAIAAgARAbCyABQTBqJAALzAEBAX8gACABKAK00AE2ApjiASAAIAEoAgQiAjYCwOABIAAgAjYCvOABIAAgAiABKAIIaiICNgK44AEgACACNgLE4AEgASgCuNABBEAgAEKBgICAEDcDiOEBIAAgAUGk0ABqNgIMIAAgAUGUIGo2AgggACABQZwwajYCBCAAIAFBDGo2AgAgAEGs0AFqIAFBqNABaigCADYCACAAQbDQAWogAUGs0AFqKAIANgIAIABBtNABaiABQbDQAWooAgA2AgAPCyAAQgA3A4jhAQs7ACACRQRAQbp/DwsgBEUEQEFsDwsgAiAEEGAEQCAAIAEgAiADIAQgBRBhDwsgACABIAIgAyAEIAUQZQtGAQF/IwBBEGsiBSQAIAVBCGogBBAOAn8gBS0ACQRAIAAgASACIAMgBBAyDAELIAAgASACIAMgBBA0CyEAIAVBEGokACAACzQAIAAgAyAEIAUQNiIFEAMEQCAFDwsgBSAESQR/IAEgAiADIAVqIAQgBWsgABA1BUG4fwsLRgEBfyMAQRBrIgUkACAFQQhqIAQQDgJ/IAUtAAkEQCAAIAEgAiADIAQQYgwBCyAAIAEgAiADIAQQNQshACAFQRBqJAAgAAtZAQF/QQ8hAiABIABJBEAgAUEEdCAAbiECCyAAQQh2IgEgAkEYbCIAQYwIaigCAGwgAEGICGooAgBqIgJBA3YgAmogAEGACGooAgAgAEGECGooAgAgAWxqSQs3ACAAIAMgBCAFQYAQEDMiBRADBEAgBQ8LIAUgBEkEfyABIAIgAyAFaiAEIAVrIAAQMgVBuH8LC78DAQN/IwBBIGsiBSQAIAVBCGogAiADEAYiAhADRQRAIAAgAWoiB0F9aiEGIAUgBBAOIARBBGohAiAFLQACIQMDQEEAIAAgBkkgBUEIahAEGwRAIAAgAiAFQQhqIAMQAkECdGoiBC8BADsAACAFQQhqIAQtAAIQASAAIAQtAANqIgQgAiAFQQhqIAMQAkECdGoiAC8BADsAACAFQQhqIAAtAAIQASAEIAAtAANqIQAMAQUgB0F+aiEEA0AgBUEIahAEIAAgBEtyRQRAIAAgAiAFQQhqIAMQAkECdGoiBi8BADsAACAFQQhqIAYtAAIQASAAIAYtAANqIQAMAQsLA0AgACAES0UEQCAAIAIgBUEIaiADEAJBAnRqIgYvAQA7AAAgBUEIaiAGLQACEAEgACAGLQADaiEADAELCwJAIAAgB08NACAAIAIgBUEIaiADEAIiA0ECdGoiAC0AADoAACAALQADQQFGBEAgBUEIaiAALQACEAEMAQsgBSgCDEEfSw0AIAVBCGogAiADQQJ0ai0AAhABIAUoAgxBIUkNACAFQSA2AgwLIAFBbCAFQQhqEAobIQILCwsgBUEgaiQAIAILkgIBBH8jAEFAaiIJJAAgCSADQTQQCyEDAkAgBEECSA0AIAMgBEECdGooAgAhCSADQTxqIAgQIyADQQE6AD8gAyACOgA+QQAhBCADKAI8IQoDQCAEIAlGDQEgACAEQQJ0aiAKNgEAIARBAWohBAwAAAsAC0EAIQkDQCAGIAlGRQRAIAMgBSAJQQF0aiIKLQABIgtBAnRqIgwoAgAhBCADQTxqIAotAABBCHQgCGpB//8DcRAjIANBAjoAPyADIAcgC2siCiACajoAPiAEQQEgASAKa3RqIQogAygCPCELA0AgACAEQQJ0aiALNgEAIARBAWoiBCAKSQ0ACyAMIAo2AgAgCUEBaiEJDAELCyADQUBrJAALowIBCX8jAEHQAGsiCSQAIAlBEGogBUE0EAsaIAcgBmshDyAHIAFrIRADQAJAIAMgCkcEQEEBIAEgByACIApBAXRqIgYtAAEiDGsiCGsiC3QhDSAGLQAAIQ4gCUEQaiAMQQJ0aiIMKAIAIQYgCyAPTwRAIAAgBkECdGogCyAIIAUgCEE0bGogCCAQaiIIQQEgCEEBShsiCCACIAQgCEECdGooAgAiCEEBdGogAyAIayAHIA4QYyAGIA1qIQgMAgsgCUEMa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as ZSTDDecoder}; diff --git a/node_modules/three/examples/jsm/lighting/TiledLighting.js b/node_modules/three/examples/jsm/lighting/TiledLighting.js new file mode 100644 index 0000000..2c44875 --- /dev/null +++ b/node_modules/three/examples/jsm/lighting/TiledLighting.js @@ -0,0 +1,42 @@ +import { Lighting } from 'three/webgpu'; +import { tiledLights } from '../tsl/lighting/TiledLightsNode.js'; + +/** + * A custom lighting implementation based on Tiled-Lighting that overwrites the default + * implementation in {@link WebGPURenderer}. + * + * ```js + * const lighting = new TiledLighting(); + * renderer.lighting = lighting; // set lighting system + * ``` + * + * @augments Lighting + * @three_import import { TiledLighting } from 'three/addons/lighting/TiledLighting.js'; + */ +export class TiledLighting extends Lighting { + + /** + * Constructs a new lighting system. + */ + constructor() { + + super(); + + } + + /** + * Creates a new tiled lights node for the given array of lights. + * + * This method is called internally by the renderer and must be overwritten by + * all custom lighting implementations. + * + * @param {Array} lights - The render object. + * @return {TiledLightsNode} The tiled lights node. + */ + createNode( lights = [] ) { + + return tiledLights().setLights( lights ); + + } + +} diff --git a/node_modules/three/examples/jsm/lights/LightProbeGenerator.js b/node_modules/three/examples/jsm/lights/LightProbeGenerator.js new file mode 100644 index 0000000..659488e --- /dev/null +++ b/node_modules/three/examples/jsm/lights/LightProbeGenerator.js @@ -0,0 +1,337 @@ +import { + Color, + LightProbe, + LinearSRGBColorSpace, + SphericalHarmonics3, + Vector3, + SRGBColorSpace, + NoColorSpace, + HalfFloatType, + DataUtils, + WebGLCoordinateSystem, + FloatType +} from 'three'; + +/** + * Utility class for creating instances of {@link LightProbe}. + * + * @hideconstructor + * @three_import import { LightProbeGenerator } from 'three/addons/lights/LightProbeGenerator.js'; + */ +class LightProbeGenerator { + + /** + * Creates a light probe from the given (radiance) environment map. + * The method expects that the environment map is represented as a cube texture. + * + * @param {CubeTexture} cubeTexture - The environment map. + * @return {LightProbe} The created light probe. + */ + static fromCubeTexture( cubeTexture ) { + + // https://www.ppsloan.org/publications/StupidSH36.pdf + + let totalWeight = 0; + + const coord = new Vector3(); + + const dir = new Vector3(); + + const color = new Color(); + + const shBasis = [ 0, 0, 0, 0, 0, 0, 0, 0, 0 ]; + + const sh = new SphericalHarmonics3(); + const shCoefficients = sh.coefficients; + + for ( let faceIndex = 0; faceIndex < 6; faceIndex ++ ) { + + const image = cubeTexture.image[ faceIndex ]; + + const width = image.width; + const height = image.height; + + const canvas = document.createElement( 'canvas' ); + + canvas.width = width; + canvas.height = height; + + const context = canvas.getContext( '2d' ); + + context.drawImage( image, 0, 0, width, height ); + + const imageData = context.getImageData( 0, 0, width, height ); + + const data = imageData.data; + + const imageWidth = imageData.width; // assumed to be square + + const pixelSize = 2 / imageWidth; + + for ( let i = 0, il = data.length; i < il; i += 4 ) { // RGBA assumed + + // pixel color + color.setRGB( data[ i ] / 255, data[ i + 1 ] / 255, data[ i + 2 ] / 255 ); + + // convert to linear color space + convertColorToLinear( color, cubeTexture.colorSpace ); + + // pixel coordinate on unit cube + + const pixelIndex = i / 4; + + const col = - 1 + ( pixelIndex % imageWidth + 0.5 ) * pixelSize; + + const row = 1 - ( Math.floor( pixelIndex / imageWidth ) + 0.5 ) * pixelSize; + + switch ( faceIndex ) { + + case 0: coord.set( - 1, row, - col ); break; + + case 1: coord.set( 1, row, col ); break; + + case 2: coord.set( - col, 1, - row ); break; + + case 3: coord.set( - col, - 1, row ); break; + + case 4: coord.set( - col, row, 1 ); break; + + case 5: coord.set( col, row, - 1 ); break; + + } + + // weight assigned to this pixel + + const lengthSq = coord.lengthSq(); + + const weight = 4 / ( Math.sqrt( lengthSq ) * lengthSq ); + + totalWeight += weight; + + // direction vector to this pixel + dir.copy( coord ).normalize(); + + // evaluate SH basis functions in direction dir + SphericalHarmonics3.getBasisAt( dir, shBasis ); + + // accumulate + for ( let j = 0; j < 9; j ++ ) { + + shCoefficients[ j ].x += shBasis[ j ] * color.r * weight; + shCoefficients[ j ].y += shBasis[ j ] * color.g * weight; + shCoefficients[ j ].z += shBasis[ j ] * color.b * weight; + + } + + } + + } + + // normalize + const norm = ( 4 * Math.PI ) / totalWeight; + + for ( let j = 0; j < 9; j ++ ) { + + shCoefficients[ j ].x *= norm; + shCoefficients[ j ].y *= norm; + shCoefficients[ j ].z *= norm; + + } + + return new LightProbe( sh ); + + } + + /** + * Creates a light probe from the given (radiance) environment map. + * The method expects that the environment map is represented as a cube render target. + * + * The cube render target must be in RGBA so `cubeRenderTarget.texture.format` must be + * set to {@link RGBAFormat}. + * + * @async + * @param {WebGPURenderer|WebGLRenderer} renderer - The renderer. + * @param {CubeRenderTarget|WebGLCubeRenderTarget} cubeRenderTarget - The environment map. + * @return {Promise} A Promise that resolves with the created light probe. + */ + static async fromCubeRenderTarget( renderer, cubeRenderTarget ) { + + const flip = renderer.coordinateSystem === WebGLCoordinateSystem ? - 1 : 1; + + // The renderTarget must be set to RGBA in order to make readRenderTargetPixels works + let totalWeight = 0; + + const coord = new Vector3(); + + const dir = new Vector3(); + + const color = new Color(); + + const shBasis = [ 0, 0, 0, 0, 0, 0, 0, 0, 0 ]; + + const sh = new SphericalHarmonics3(); + const shCoefficients = sh.coefficients; + + const dataType = cubeRenderTarget.texture.type; + const imageWidth = cubeRenderTarget.width; // assumed to be square + + let data; + + if ( renderer.isWebGLRenderer ) { + + if ( dataType === FloatType ) { + + data = new Float32Array( imageWidth * imageWidth * 4 ); + + } else if ( dataType === HalfFloatType ) { + + data = new Uint16Array( imageWidth * imageWidth * 4 ); + + } else { + + // assuming UnsignedByteType + + data = new Uint8Array( imageWidth * imageWidth * 4 ); + + } + + } + + for ( let faceIndex = 0; faceIndex < 6; faceIndex ++ ) { + + if ( renderer.isWebGLRenderer ) { + + await renderer.readRenderTargetPixelsAsync( cubeRenderTarget, 0, 0, imageWidth, imageWidth, data, faceIndex ); + + } else { + + data = await renderer.readRenderTargetPixelsAsync( cubeRenderTarget, 0, 0, imageWidth, imageWidth, 0, faceIndex ); + + } + + const pixelSize = 2 / imageWidth; + + for ( let i = 0, il = data.length; i < il; i += 4 ) { // RGBA assumed + + let r, g, b; + + if ( dataType === FloatType ) { + + r = data[ i ]; + g = data[ i + 1 ]; + b = data[ i + 2 ]; + + } else if ( dataType === HalfFloatType ) { + + r = DataUtils.fromHalfFloat( data[ i ] ); + g = DataUtils.fromHalfFloat( data[ i + 1 ] ); + b = DataUtils.fromHalfFloat( data[ i + 2 ] ); + + } else { + + r = data[ i ] / 255; + g = data[ i + 1 ] / 255; + b = data[ i + 2 ] / 255; + + } + + // pixel color + color.setRGB( r, g, b ); + + // convert to linear color space + convertColorToLinear( color, cubeRenderTarget.texture.colorSpace ); + + // pixel coordinate on unit cube + + const pixelIndex = i / 4; + + const col = ( 1 - ( pixelIndex % imageWidth + 0.5 ) * pixelSize ) * flip; + + const row = 1 - ( Math.floor( pixelIndex / imageWidth ) + 0.5 ) * pixelSize; + + switch ( faceIndex ) { + + case 0: coord.set( - 1 * flip, row, col * flip ); break; + + case 1: coord.set( 1 * flip, row, - col * flip ); break; + + case 2: coord.set( col, 1, - row ); break; + + case 3: coord.set( col, - 1, row ); break; + + case 4: coord.set( col, row, 1 ); break; + + case 5: coord.set( - col, row, - 1 ); break; + + } + + // weight assigned to this pixel + + const lengthSq = coord.lengthSq(); + + const weight = 4 / ( Math.sqrt( lengthSq ) * lengthSq ); + + totalWeight += weight; + + // direction vector to this pixel + dir.copy( coord ).normalize(); + + // evaluate SH basis functions in direction dir + SphericalHarmonics3.getBasisAt( dir, shBasis ); + + // accumulate + for ( let j = 0; j < 9; j ++ ) { + + shCoefficients[ j ].x += shBasis[ j ] * color.r * weight; + shCoefficients[ j ].y += shBasis[ j ] * color.g * weight; + shCoefficients[ j ].z += shBasis[ j ] * color.b * weight; + + } + + } + + } + + // normalize + const norm = ( 4 * Math.PI ) / totalWeight; + + for ( let j = 0; j < 9; j ++ ) { + + shCoefficients[ j ].x *= norm; + shCoefficients[ j ].y *= norm; + shCoefficients[ j ].z *= norm; + + } + + return new LightProbe( sh ); + + } + +} + +function convertColorToLinear( color, colorSpace ) { + + switch ( colorSpace ) { + + case SRGBColorSpace: + + color.convertSRGBToLinear(); + break; + + case LinearSRGBColorSpace: + case NoColorSpace: + + break; + + default: + + console.warn( 'WARNING: LightProbeGenerator convertColorToLinear() encountered an unsupported color space.' ); + break; + + } + + return color; + +} + +export { LightProbeGenerator }; diff --git a/node_modules/three/examples/jsm/lights/RectAreaLightTexturesLib.js b/node_modules/three/examples/jsm/lights/RectAreaLightTexturesLib.js new file mode 100644 index 0000000..0b717c1 --- /dev/null +++ b/node_modules/three/examples/jsm/lights/RectAreaLightTexturesLib.js @@ -0,0 +1,127 @@ +import { + ClampToEdgeWrapping, + DataTexture, + DataUtils, + FloatType, + HalfFloatType, + LinearFilter, + NearestFilter, + RGBAFormat, + UVMapping +} from 'three'; + +/** + * Texture library for {@link RectAreaLight}. This class holds the LTC BRDF data + * in data textures for further use in the renderer. + * + * Reference: Real-Time Polygonal-Light Shading with Linearly Transformed Cosines + * by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt. [Code](https://github.com/selfshadow/ltc_code/). + * + * NOTE: This is a temporary location for the BRDF approximation texture data + * based off of Eric Heitz's work (see citation). BRDF data for + * `RectAreaLight` is currently approximated using a precomputed texture + * of roughly 80kb in size. The hope is to find a better way to include + * the large texture data before including the full RectAreaLight implementation + * in the main build files. + * + * @hideconstructor + * @three_import import { RectAreaLightTexturesLib } from 'three/addons/lights/RectAreaLightTexturesLib.js'; + */ +class RectAreaLightTexturesLib { + + /** + * Inits the texture library. + * + * @return {RectAreaLightTexturesLib} + */ + static init() { + + // source: https://github.com/selfshadow/ltc_code/tree/master/fit/results/ltc.js + + const LTC_MAT_1 = [ 1, 0, 0, 2e-05, 1, 0, 0, 0.000503905, 1, 0, 0, 0.00201562, 1, 0, 0, 0.00453516, 1, 0, 0, 0.00806253, 1, 0, 0, 0.0125978, 1, 0, 0, 0.018141, 1, 0, 0, 0.0246924, 1, 0, 0, 0.0322525, 1, 0, 0, 0.0408213, 1, 0, 0, 0.0503999, 1, 0, 0, 0.0609894, 1, 0, 0, 0.0725906, 1, 0, 0, 0.0852058, 1, 0, 0, 0.0988363, 1, 0, 0, 0.113484, 1, 0, 0, 0.129153, 1, 0, 0, 0.145839, 1, 0, 0, 0.163548, 1, 0, 0, 0.182266, 1, 0, 0, 0.201942, 1, 0, 0, 0.222314, 1, 0, 0, 0.241906, 1, 0, 0, 0.262314, 1, 0, 0, 0.285754, 1, 0, 0, 0.310159, 1, 0, 0, 0.335426, 1, 0, 0, 0.361341, 1, 0, 0, 0.387445, 1, 0, 0, 0.412784, 1, 0, 0, 0.438197, 1, 0, 0, 0.466966, 1, 0, 0, 0.49559, 1, 0, 0, 0.523448, 1, 0, 0, 0.549938, 1, 0, 0, 0.57979, 1, 0, 0, 0.608746, 1, 0, 0, 0.636185, 1, 0, 0, 0.664748, 1, 0, 0, 0.69313, 1, 0, 0, 0.71966, 1, 0, 0, 0.747662, 1, 0, 0, 0.774023, 1, 0, 0, 0.799775, 1, 0, 0, 0.825274, 1, 0, 0, 0.849156, 1, 0, 0, 0.873248, 1, 0, 0, 0.89532, 1, 0, 0, 0.917565, 1, 0, 0, 0.937863, 1, 0, 0, 0.958139, 1, 0, 0, 0.976563, 1, 0, 0, 0.994658, 1, 0, 0, 1.0112, 1, 0, 0, 1.02712, 1, 0, 0, 1.04189, 1, 0, 0, 1.05568, 1, 0, 0, 1.06877, 1, 0, 0, 1.08058, 1, 0, 0, 1.09194, 1, 0, 0, 1.10191, 1, 0, 0, 1.11161, 1, 0, 0, 1.1199, 1, 0, 0, 1.12813, 0.999547, - 4.48815e-07, 0.0224417, 1.99902e-05, 0.999495, - 1.13079e-05, 0.0224406, 0.000503651, 0.999496, - 4.52317e-05, 0.0224406, 0.00201461, 0.999496, - 0.000101772, 0.0224406, 0.00453287, 0.999495, - 0.000180928, 0.0224406, 0.00805845, 0.999497, - 0.000282702, 0.0224406, 0.0125914, 0.999496, - 0.000407096, 0.0224406, 0.0181319, 0.999498, - 0.000554114, 0.0224406, 0.02468, 0.999499, - 0.000723768, 0.0224406, 0.0322363, 0.999495, - 0.000916058, 0.0224405, 0.0408009, 0.999499, - 0.00113101, 0.0224408, 0.050375, 0.999494, - 0.00136863, 0.0224405, 0.0609586, 0.999489, - 0.00162896, 0.0224401, 0.0725537, 0.999489, - 0.00191201, 0.0224414, 0.0851619, 0.999498, - 0.00221787, 0.0224413, 0.0987867, 0.999492, - 0.00254642, 0.0224409, 0.113426, 0.999507, - 0.00289779, 0.0224417, 0.129088, 0.999494, - 0.0032716, 0.0224386, 0.145767, 0.999546, - 0.0036673, 0.0224424, 0.163472, 0.999543, - 0.00408166, 0.0224387, 0.182182, 0.999499, - 0.00450056, 0.0224338, 0.201843, 0.999503, - 0.00483661, 0.0224203, 0.222198, 0.999546, - 0.00452928, 0.022315, 0.241714, 0.999508, - 0.00587403, 0.0224329, 0.262184, 0.999509, - 0.00638806, 0.0224271, 0.285609, 0.999501, - 0.00691028, 0.0224166, 0.309998, 0.999539, - 0.00741979, 0.0223989, 0.335262, 0.999454, - 0.00786282, 0.0223675, 0.361154, 0.999529, - 0.00811928, 0.0222828, 0.387224, 0.999503, - 0.00799941, 0.0221063, 0.41252, 0.999561, - 0.00952753, 0.0223057, 0.438006, 0.999557, - 0.0099134, 0.0222065, 0.466735, 0.999541, - 0.0100935, 0.0220402, 0.495332, 0.999562, - 0.00996821, 0.0218067, 0.523197, 0.999556, - 0.0105031, 0.0217096, 0.550223, 0.999561, - 0.0114191, 0.0217215, 0.579498, 0.999588, - 0.0111818, 0.0213357, 0.608416, 0.999633, - 0.0107725, 0.0208689, 0.635965, 0.999527, - 0.0121671, 0.0210149, 0.664476, 0.999508, - 0.0116005, 0.020431, 0.692786, 0.999568, - 0.0115604, 0.0199791, 0.719709, 0.999671, - 0.0121117, 0.0197415, 0.74737, 0.999688, - 0.0110769, 0.0188846, 0.773692, 0.99962, - 0.0122368, 0.0188452, 0.799534, 0.999823, - 0.0110325, 0.0178001, 0.825046, 0.999599, - 0.0114923, 0.0174221, 0.849075, 0.999619, - 0.0105923, 0.0164345, 0.872999, 0.999613, - 0.0105988, 0.0158227, 0.895371, 0.99964, - 0.00979861, 0.0148131, 0.917364, 0.99977, - 0.00967238, 0.0140721, 0.938002, 0.999726, - 0.00869175, 0.0129543, 0.957917, 0.99973, - 0.00866872, 0.0122329, 0.976557, 0.999773, - 0.00731956, 0.0108958, 0.994459, 0.999811, - 0.00756027, 0.0102715, 1.01118, 0.999862, - 0.00583732, 0.00878781, 1.02701, 0.999835, - 0.00631438, 0.00827529, 1.04186, 0.999871, - 0.00450785, 0.00674583, 1.05569, 0.999867, - 0.00486079, 0.00621041, 1.06861, 0.999939, - 0.00322072, 0.00478301, 1.08064, 0.999918, - 0.00318199, 0.00406395, 1.09181, 1.00003, - 0.00193348, 0.00280682, 1.10207, 0.999928, - 0.00153729, 0.00198741, 1.11152, 0.999933, - 0.000623666, 0.000917714, 1.12009, 1, - 1.02387e-06, 9.07581e-07, 1.12813, 0.997866, - 8.96716e-07, 0.0448334, 1.99584e-05, 0.997987, - 2.25945e-05, 0.0448389, 0.000502891, 0.997987, - 9.03781e-05, 0.0448388, 0.00201156, 0.997985, - 0.000203351, 0.0448388, 0.00452602, 0.997986, - 0.000361514, 0.0448388, 0.00804629, 0.997987, - 0.00056487, 0.0448389, 0.0125724, 0.997988, - 0.000813423, 0.0448389, 0.0181045, 0.997984, - 0.00110718, 0.0448387, 0.0246427, 0.997985, - 0.00144616, 0.0448388, 0.0321875, 0.997987, - 0.00183038, 0.044839, 0.0407392, 0.997983, - 0.00225987, 0.0448387, 0.0502986, 0.997991, - 0.00273467, 0.0448389, 0.0608667, 0.997984, - 0.00325481, 0.0448384, 0.0724444, 0.998002, - 0.00382043, 0.044839, 0.0850348, 0.997997, - 0.00443145, 0.0448396, 0.0986372, 0.998007, - 0.00508796, 0.0448397, 0.113255, 0.998008, - 0.00578985, 0.04484, 0.128891, 0.998003, - 0.00653683, 0.0448384, 0.145548, 0.997983, - 0.00732713, 0.0448358, 0.163221, 0.997985, - 0.00815454, 0.0448358, 0.181899, 0.998005, - 0.00898985, 0.0448286, 0.201533, 0.998026, - 0.00964404, 0.0447934, 0.221821, 0.998055, - 0.00922677, 0.044611, 0.241282, 0.99804, - 0.0117361, 0.0448245, 0.261791, 0.998048, - 0.0127628, 0.0448159, 0.285181, 0.998088, - 0.0138055, 0.0447996, 0.30954, 0.998058, - 0.0148206, 0.0447669, 0.334751, 0.998099, - 0.0156998, 0.044697, 0.36061, 0.998116, - 0.0161976, 0.0445122, 0.386603, 0.998195, - 0.015945, 0.0441711, 0.411844, 0.998168, - 0.0183947, 0.0444255, 0.43773, 0.998184, - 0.0197913, 0.0443809, 0.466009, 0.998251, - 0.0201426, 0.0440689, 0.494574, 0.998305, - 0.0198847, 0.0435632, 0.522405, 0.998273, - 0.0210577, 0.043414, 0.549967, 0.998254, - 0.0227901, 0.0433943, 0.578655, 0.998349, - 0.0223108, 0.0426529, 0.60758, 0.99843, - 0.0223088, 0.042, 0.635524, 0.998373, - 0.0241141, 0.0418987, 0.663621, 0.998425, - 0.0231446, 0.0408118, 0.691906, 0.998504, - 0.0233684, 0.0400565, 0.719339, 0.998443, - 0.0241652, 0.0394634, 0.74643, 0.99848, - 0.0228715, 0.0380002, 0.773086, 0.998569, - 0.023519, 0.0372322, 0.798988, 0.998619, - 0.0223108, 0.0356468, 0.824249, 0.998594, - 0.0223105, 0.034523, 0.848808, 0.998622, - 0.0213426, 0.0328887, 0.87227, 0.998669, - 0.0207912, 0.0314374, 0.895157, 0.998705, - 0.0198416, 0.0296925, 0.916769, 0.998786, - 0.0189168, 0.0279634, 0.937773, 0.998888, - 0.0178811, 0.0261597, 0.957431, 0.99906, - 0.0166845, 0.0242159, 0.976495, 0.999038, - 0.0155464, 0.0222638, 0.994169, 0.999237, - 0.0141349, 0.0201967, 1.01112, 0.999378, - 0.0129324, 0.0181744, 1.02692, 0.999433, - 0.0113192, 0.0159898, 1.04174, 0.999439, - 0.0101244, 0.0140385, 1.05559, 0.999614, - 0.00837456, 0.0117826, 1.06852, 0.999722, - 0.00721769, 0.00983745, 1.08069, 0.999817, - 0.00554067, 0.00769002, 1.09176, 0.99983, - 0.00426961, 0.005782, 1.10211, 0.999964, - 0.00273904, 0.00374503, 1.11152, 1.00001, - 0.00136739, 0.00187176, 1.12031, 0.999946, 3.93227e-05, - 2.8919e-05, 1.12804, 0.995847, - 1.3435e-06, 0.0671785, 1.9916e-05, 0.995464, - 3.38387e-05, 0.0671527, 0.000501622, 0.99547, - 0.000135355, 0.0671531, 0.00200649, 0.995471, - 0.00030455, 0.0671532, 0.00451461, 0.99547, - 0.000541423, 0.0671531, 0.008026, 0.995471, - 0.00084598, 0.0671531, 0.0125407, 0.99547, - 0.00121823, 0.0671531, 0.0180589, 0.99547, - 0.00165817, 0.0671531, 0.0245806, 0.995463, - 0.00216583, 0.0671526, 0.0321062, 0.995468, - 0.00274127, 0.0671527, 0.0406366, 0.995474, - 0.00338447, 0.0671534, 0.0501717, 0.995473, - 0.00409554, 0.0671533, 0.0607131, 0.995478, - 0.00487451, 0.0671531, 0.0722618, 0.995476, - 0.00572148, 0.0671532, 0.0848191, 0.995477, - 0.00663658, 0.0671539, 0.0983882, 0.995498, - 0.00761986, 0.0671541, 0.112972, 0.995509, - 0.00867094, 0.0671542, 0.128568, 0.995509, - 0.00978951, 0.0671531, 0.145183, 0.995503, - 0.0109725, 0.0671491, 0.162808, 0.995501, - 0.012211, 0.0671465, 0.181441, 0.99553, - 0.0134565, 0.0671371, 0.201015, 0.99555, - 0.014391, 0.0670831, 0.221206, 0.99558, - 0.014351, 0.0668883, 0.240813, 0.995577, - 0.0173997, 0.0671055, 0.261257, 0.995602, - 0.0191111, 0.0671178, 0.284467, 0.995623, - 0.0206705, 0.0670946, 0.308765, 0.995658, - 0.022184, 0.0670472, 0.333905, 0.995705, - 0.0234832, 0.0669417, 0.359677, 0.995719, - 0.0241933, 0.0666714, 0.385554, 0.995786, - 0.0243539, 0.066266, 0.410951, 0.995887, - 0.0271866, 0.0664367, 0.437163, 0.995944, - 0.0296012, 0.0664931, 0.464842, 0.996004, - 0.0301045, 0.0660105, 0.49332, 0.996128, - 0.0298311, 0.0652694, 0.521131, 0.996253, - 0.0316426, 0.0650739, 0.549167, 0.996244, - 0.0339043, 0.0649433, 0.57737, 0.996309, - 0.033329, 0.0638926, 0.606073, 0.996417, - 0.0338935, 0.0630849, 0.634527, 0.996372, - 0.0353104, 0.0625083, 0.66256, 0.996542, - 0.0348942, 0.0611986, 0.690516, 0.996568, - 0.0351614, 0.060069, 0.718317, 0.996711, - 0.0354317, 0.0588522, 0.74528, 0.996671, - 0.0349513, 0.0571902, 0.772061, 0.996865, - 0.0345622, 0.0555321, 0.798089, 0.996802, - 0.0342566, 0.0537816, 0.823178, 0.996992, - 0.0330862, 0.0516095, 0.847949, 0.996944, - 0.0324666, 0.0495537, 0.871431, 0.997146, - 0.0309544, 0.0470302, 0.894357, 0.997189, - 0.0299372, 0.0446043, 0.916142, 0.997471, - 0.0281389, 0.0418812, 0.937193, 0.997515, - 0.0268702, 0.0391823, 0.957, 0.997812, - 0.0247166, 0.0361338, 0.975936, 0.998027, - 0.0233525, 0.0333945, 0.99391, 0.998233, - 0.0209839, 0.0301917, 1.01075, 0.998481, - 0.0194309, 0.027271, 1.02669, 0.998859, - 0.0169728, 0.0240162, 1.04173, 0.99894, - 0.0152322, 0.0210517, 1.05551, 0.999132, - 0.0127497, 0.0178632, 1.06856, 0.999369, - 0.0108282, 0.014787, 1.08054, 0.999549, - 0.00845886, 0.0116185, 1.09185, 0.999805, - 0.0063937, 0.00867209, 1.10207, 0.99985, - 0.00414582, 0.00566823, 1.1117, 0.999912, - 0.00207443, 0.00277562, 1.12022, 1.00001, 8.70226e-05, - 5.3766e-05, 1.12832, 0.991943, - 1.78672e-06, 0.0893382, 1.98384e-05, 0.991952, - 4.50183e-05, 0.089339, 0.000499849, 0.991956, - 0.000180074, 0.0893394, 0.0019994, 0.991955, - 0.000405167, 0.0893393, 0.00449867, 0.991953, - 0.000720298, 0.0893391, 0.00799764, 0.991955, - 0.00112548, 0.0893393, 0.0124964, 0.991957, - 0.0016207, 0.0893395, 0.0179951, 0.991958, - 0.00220601, 0.0893396, 0.0244939, 0.991947, - 0.00288137, 0.0893385, 0.0319929, 0.991962, - 0.00364693, 0.0893399, 0.0404933, 0.991965, - 0.00450264, 0.0893399, 0.049995, 0.99198, - 0.00544862, 0.0893411, 0.0604995, 0.99197, - 0.00648491, 0.0893397, 0.0720074, 0.991976, - 0.00761164, 0.089341, 0.0845207, 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- 0.174226, 0.38879, 0.217838, 0.266965, - 0.186063, 0.405857, 0.246931, 0.292827, - 0.196909, 0.414146, 0.277505, 0.324352, - 0.207473, 0.426955, 0.310711, 0.354427, - 0.217713, 0.433429, 0.346794, 0.389854, - 0.227183, 0.443966, 0.385237, 0.420749, - 0.235131, 0.44471, 0.424955, 0.459597, - 0.242786, 0.451729, 0.468446, 0.495316, - 0.248767, 0.45072, 0.513422, 0.534903, - 0.253351, 0.450924, 0.560618, 0.572369, - 0.256277, 0.445266, 0.609677, 0.612383, - 0.2576, 0.438798, 0.660995, 0.644037, - 0.256931, 0.421693, 0.713807, 0.686749, - 0.254036, 0.4109, 0.767616, 0.719814, - 0.249785, 0.390151, 0.82533, 0.754719, - 0.244283, 0.367847, 0.888311, 0.792022, - 0.235076, 0.345013, 0.948177, 0.822404, - 0.225061, 0.316193, 1.01661, 0.853084, - 0.211113, 0.287013, 1.08075, 0.879871, - 0.19449, 0.255424, 1.14501, 0.901655, - 0.174023, 0.222879, 1.20203, 0.919957, - 0.1509, 0.18989, 1.25698, 0.938412, - 0.124923, 0.15606, 1.30588, 0.953471, - 0.0968139, 0.120512, 1.3529, 0.970451, - 0.066734, 0.0828515, 1.3986, 0.985522, - 0.034734, 0.0424458, 1.44148, 1.00099, - 0.00102222, 0.000678929, 1.48398, 0.000965494, - 6.27338e-07, 0.0306409, 1.97672e-08, 0.00099168, - 1.58573e-05, 0.0314638, 4.99803e-07, 0.000991068, - 6.34012e-05, 0.031363, 2.00682e-06, 0.000974567, - 0.00014144, 0.03036, 4.57312e-06, 0.000998079, - 0.000252812, 0.031496, 8.60131e-06, 0.00102243, - 0.000396506, 0.0319955, 1.48288e-05, 0.00107877, - 0.000577593, 0.0331376, 2.49141e-05, 0.00121622, - 0.000816816, 0.0359396, 4.23011e-05, 0.0014455, - 0.00113761, 0.0399652, 7.24613e-05, 0.00178791, - 0.00156959, 0.0450556, 0.000123929, 0.00225668, - 0.00214064, 0.0508025, 0.000208531, 0.00285627, - 0.00287655, 0.0568443, 0.000341969, 0.0035991, - 0.00380271, 0.0630892, 0.000544158, 0.00455524, - 0.00496264, 0.0702204, 0.000842423, 0.00569143, - 0.0063793, 0.0773426, 0.00126704, 0.00716928, - 0.00813531, 0.0860839, 0.00186642, 0.00885307, - 0.0101946, 0.0944079, 0.00267014, 0.0109316, - 0.0126386, 0.103951, 0.00374033, 0.0133704, - 0.0154876, 0.113786, 0.0051304, 0.0161525, - 0.0187317, 0.123477, 0.00688858, 0.0194267, - 0.0224652, 0.133986, 0.00910557, 0.0230967, - 0.0265976, 0.143979, 0.0118074, 0.0273627, - 0.0312848, 0.154645, 0.0151266, 0.0323898, - 0.0365949, 0.166765, 0.0191791, 0.0379225, - 0.0422914, 0.177932, 0.0239236, 0.0447501, - 0.0487469, 0.19167, 0.0296568, 0.0519391, - 0.0556398, 0.203224, 0.0362924, 0.0599464, - 0.0631646, 0.215652, 0.0440585, 0.0702427, - 0.0714308, 0.232089, 0.0531619, 0.0806902, - 0.0800605, 0.245258, 0.0634564, 0.0923194, - 0.0892815, 0.258609, 0.0752481, 0.106938, - 0.09931, 0.276654, 0.0888914, 0.121238, - 0.109575, 0.289847, 0.104055, 0.138817, - 0.120461, 0.307566, 0.121266, 0.15595, - 0.131209, 0.320117, 0.139944, 0.178418, - 0.143049, 0.339677, 0.161591, 0.197875, - 0.154074, 0.349886, 0.184303, 0.224368, - 0.166307, 0.369352, 0.210669, 0.252213, - 0.178051, 0.386242, 0.238895, 0.277321, - 0.189335, 0.395294, 0.269182, 0.310332, - 0.200683, 0.412148, 0.302508, 0.338809, - 0.210856, 0.418266, 0.337264, 0.372678, - 0.220655, 0.428723, 0.374881, 0.405632, - 0.230053, 0.433887, 0.415656, 0.442293, - 0.237993, 0.439911, 0.457982, 0.477256, - 0.244897, 0.440175, 0.502831, 0.515592, - 0.250657, 0.441079, 0.550277, 0.550969, - 0.255459, 0.435219, 0.601102, 0.592883, - 0.257696, 0.432882, 0.651785, 0.629092, - 0.259894, 0.421054, 0.708961, 0.672033, - 0.258592, 0.41177, 0.763806, 0.709147, - 0.256525, 0.395267, 0.824249, 0.745367, - 0.254677, 0.375013, 0.8951, 0.784715, - 0.247892, 0.353906, 0.959317, 0.818107, - 0.240162, 0.327801, 1.03153, 0.847895, - 0.229741, 0.298821, 1.10601, 0.879603, - 0.213084, 0.269115, 1.164, 0.902605, - 0.195242, 0.236606, 1.22854, 0.922788, - 0.174505, 0.203442, 1.29017, 0.944831, - 0.150169, 0.169594, 1.34157, 0.959656, - 0.124099, 0.135909, 1.3956, 0.972399, - 0.0960626, 0.0990563, 1.45128, 0.986549, - 0.0657097, 0.0602348, 1.50312, 1.00013, - 0.0333558, 0.0186694, 1.55364, 6.19747e-06, - 1e-07, 0.00778326, 7.96756e-11, 2.37499e-08, - 9.99999e-08, 2.82592e-05, 1.14596e-10, 1.00292e-06, - 1.66369e-06, 0.000250354, 6.77492e-09, 3.50752e-06, - 6.37769e-06, 0.000357289, 6.31655e-08, 8.26445e-06, - 1.74689e-05, 0.000516179, 3.1851e-07, 2.42481e-05, - 4.50868e-05, 0.0010223, 1.30577e-06, 4.55631e-05, - 8.9044e-05, 0.00144302, 3.74587e-06, 9.71222e-05, - 0.000178311, 0.00241912, 1.02584e-05, 0.000171403, - 0.000313976, 0.00354938, 2.36481e-05, 0.000292747, - 0.000520026, 0.00513765, 4.96014e-05, 0.000789827, - 0.00118187, 0.0238621, 0.000139056, 0.00114093, - 0.00171827, 0.0286691, 0.000244093, 0.00176119, - 0.00249667, 0.0368565, 0.000420623, 0.0022233, - 0.00333742, 0.0400469, 0.00065673, 0.00343382, - 0.00481976, 0.0535751, 0.00109323, 0.00427602, - 0.00600755, 0.057099, 0.00155268, 0.00461435, - 0.00737637, 0.0551084, 0.00215031, 0.00695698, - 0.00971401, 0.0715767, 0.00316529, 0.00867619, - 0.0120943, 0.0793314, 0.00436995, 0.0106694, - 0.0148202, 0.0869391, 0.0058959, 0.0140351, - 0.0183501, 0.101572, 0.00798757, 0.0168939, - 0.022006, 0.11018, 0.0104233, 0.020197, - 0.0261568, 0.119041, 0.0134167, 0.0254702, - 0.0312778, 0.135404, 0.0173009, 0.0298384, - 0.0362469, 0.1437, 0.0215428, 0.035159, - 0.042237, 0.15512, 0.0268882, 0.0427685, - 0.0488711, 0.17128, 0.033235, 0.0494848, - 0.0557997, 0.181813, 0.0404443, 0.0592394, - 0.0635578, 0.198745, 0.0490043, 0.0681463, - 0.071838, 0.210497, 0.0588239, 0.0804753, - 0.0809297, 0.228864, 0.0702835, 0.0942205, - 0.0906488, 0.247008, 0.0834012, 0.106777, - 0.100216, 0.258812, 0.0975952, 0.124471, - 0.110827, 0.278617, 0.114162, 0.138389, - 0.121193, 0.287049, 0.131983, 0.159543, - 0.13253, 0.307151, 0.152541, 0.176432, - 0.143611, 0.31564, 0.174673, 0.201723, - 0.15548, 0.33538, 0.199842, 0.229721, - 0.167166, 0.355256, 0.227097, 0.250206, - 0.178238, 0.360047, 0.256014, 0.282118, - 0.189905, 0.378761, 0.28855, 0.312821, - 0.201033, 0.39181, 0.323348, 0.341482, - 0.211584, 0.397716, 0.360564, 0.377368, - 0.221314, 0.410141, 0.400004, 0.418229, - 0.230474, 0.423485, 0.442371, 0.444881, - 0.239443, 0.418874, 0.488796, 0.488899, - 0.245987, 0.427545, 0.535012, 0.520317, - 0.253948, 0.422147, 0.589678, 0.568566, - 0.256616, 0.42719, 0.637683, 0.599607, - 0.26376, 0.415114, 0.703363, 0.64222, - 0.268687, 0.408715, 0.771363, 0.685698, - 0.2694, 0.399722, 0.83574, 0.732327, - 0.266642, 0.388651, 0.897764, 0.769873, - 0.267712, 0.369198, 0.983312, 0.806733, - 0.263479, 0.346802, 1.06222, 0.843466, - 0.254575, 0.321368, 1.13477, 0.873008, - 0.242749, 0.29211, 1.20712, 0.908438, - 0.22725, 0.262143, 1.27465, 0.936321, - 0.207621, 0.228876, 1.33203, 0.950353, - 0.187932, 0.19484, 1.40439, 0.96442, - 0.165154, 0.163178, 1.4732, 0.979856, - 0.139302, 0.127531, 1.53574, 0.982561, - 0.11134, 0.0903457, 1.59982, 0.996389, - 0.0808124, 0.0489007, 1.6577 ]; + + const LTC_MAT_2 = [ 1, 0, 0, 0, 1, 7.91421e-31, 0, 0, 1, 1.04392e-24, 0, 0, 1, 3.49405e-21, 0, 0, 1, 1.09923e-18, 0, 0, 1, 9.47414e-17, 0, 0, 1, 3.59627e-15, 0, 0, 1, 7.72053e-14, 0, 0, 1, 1.08799e-12, 0, 0, 1, 1.10655e-11, 0, 0, 1, 8.65818e-11, 0, 0, 0.999998, 5.45037e-10, 0, 0, 0.999994, 2.85095e-09, 0, 0, 0.999989, 1.26931e-08, 0, 0, 0.999973, 4.89938e-08, 0, 0, 0.999947, 1.66347e-07, 0, 0, 0.999894, 5.02694e-07, 0, 0, 0.999798, 1.36532e-06, 0, 0, 0.999617, 3.35898e-06, 0, 0, 0.999234, 7.52126e-06, 0, 0, 0.998258, 1.52586e-05, 0, 0, 0.99504, 2.66207e-05, 0, 0, 0.980816, 2.36802e-05, 0, 0, 0.967553, 2.07684e-06, 0, 0, 0.966877, 4.03733e-06, 0, 0, 0.965752, 7.41174e-06, 0, 0, 0.96382, 1.27746e-05, 0, 0, 0.960306, 2.02792e-05, 0, 0, 0.953619, 2.80232e-05, 0, 0, 0.941103, 2.78816e-05, 0, 0, 0.926619, 1.60221e-05, 0, 0, 0.920983, 2.35164e-05, 0, 0, 0.912293, 3.11924e-05, 0, 0.0158731, 0.899277, 3.48118e-05, 0, 0.0476191, 0.880884, 2.6041e-05, 0, 0.0793651, 0.870399, 3.38726e-05, 0, 0.111111, 0.856138, 3.92906e-05, 0, 0.142857, 0.837436, 3.72874e-05, 0, 0.174603, 0.820973, 3.92558e-05, 0, 0.206349, 0.803583, 4.34658e-05, 0, 0.238095, 0.782168, 4.0256e-05, 0, 0.269841, 0.764107, 4.48159e-05, 0, 0.301587, 0.743092, 4.57627e-05, 0, 0.333333, 0.721626, 4.55314e-05, 0, 0.365079, 0.700375, 4.77335e-05, 0, 0.396825, 0.677334, 4.61072e-05, 0, 0.428571, 0.655702, 4.84393e-05, 0, 0.460317, 0.632059, 4.64583e-05, 0, 0.492064, 0.610125, 4.83923e-05, 0, 0.52381, 0.58653, 4.64342e-05, 0, 0.555556, 0.564508, 4.77033e-05, 0, 0.587302, 0.541405, 4.59263e-05, 0, 0.619048, 0.519556, 4.6412e-05, 0, 0.650794, 0.497292, 4.48913e-05, 0, 0.68254, 0.475898, 4.45789e-05, 0, 0.714286, 0.454722, 4.33496e-05, 0, 0.746032, 0.434042, 4.23054e-05, 0, 0.777778, 0.414126, 4.13737e-05, 0, 0.809524, 0.394387, 3.97265e-05, 0, 0.84127, 0.375841, 3.90709e-05, 0, 0.873016, 0.357219, 3.69938e-05, 0, 0.904762, 0.340084, 3.65618e-05, 0, 0.936508, 0.322714, 3.42533e-05, 0, 0.968254, 0.306974, 3.39596e-05, 0, 1, 1, 1.01524e-18, 0, 0, 1, 1.0292e-18, 0, 0, 1, 1.30908e-18, 0, 0, 1, 4.73331e-18, 0, 0, 1, 6.25319e-17, 0, 0, 1, 1.07932e-15, 0, 0, 1, 1.63779e-14, 0, 0, 1, 2.03198e-13, 0, 0, 1, 2.04717e-12, 0, 0, 0.999999, 1.68995e-11, 0, 0, 0.999998, 1.15855e-10, 0, 0, 0.999996, 6.6947e-10, 0, 0, 0.999991, 3.30863e-09, 0, 0, 0.999983, 1.41737e-08, 0, 0, 0.999968, 5.32626e-08, 0, 0, 0.99994, 1.77431e-07, 0, 0, 0.999891, 5.28835e-07, 0, 0, 0.999797, 1.42169e-06, 0, 0, 0.999617, 3.47057e-06, 0, 0, 0.999227, 7.7231e-06, 0, 0, 0.998239, 1.55753e-05, 0, 0, 0.994937, 2.68495e-05, 0, 0, 0.980225, 2.13742e-05, 0, 0, 0.967549, 2.1631e-06, 0, 0, 0.966865, 4.17989e-06, 0, 0, 0.965739, 7.63341e-06, 0, 0, 0.963794, 1.30892e-05, 0, 0, 0.960244, 2.06456e-05, 0, 0, 0.953495, 2.82016e-05, 0, 0.000148105, 0.940876, 2.71581e-05, 0, 0.002454, 0.926569, 1.64159e-05, 0, 0.00867491, 0.920905, 2.39521e-05, 0, 0.01956, 0.912169, 3.15127e-05, 0, 0.035433, 0.899095, 3.46626e-05, 0, 0.056294, 0.882209, 2.90223e-05, 0, 0.0818191, 0.870272, 3.42992e-05, 0, 0.111259, 0.855977, 3.94164e-05, 0, 0.142857, 0.837431, 3.72343e-05, 0, 0.174603, 0.820826, 3.96691e-05, 0, 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0.905575, 0.863922, 0, 0.0634921, 0.915125, 0.850558, 0, 0.0793651, 0.920665, 0.829254, 0, 0.0952381, 0.924073, 0.802578, 0, 0.111111, 0.926304, 0.772211, 0, 0.126984, 0.927829, 0.739366, 0, 0.142857, 0.928924, 0.705033, 0, 0.15873, 0.92973, 0.670019, 0, 0.174603, 0.930339, 0.634993, 0, 0.190476, 0.930811, 0.600485, 0, 0.206349, 0.931191, 0.566897, 0, 0.222222, 0.93149, 0.534485, 0, 0.238095, 0.931737, 0.503429, 0, 0.253968, 0.931939, 0.473811, 0, 0.269841, 0.932108, 0.445668, 0, 0.285714, 0.93225, 0.418993, 0, 0.301587, 0.932371, 0.393762, 0, 0.31746, 0.932474, 0.369939, 0, 0.333333, 0.932562, 0.347479, 0, 0.349206, 0.932638, 0.326336, 0, 0.365079, 0.932703, 0.306462, 0, 0.380952, 0.93276, 0.287805, 0, 0.396825, 0.932809, 0.270313, 0, 0.412698, 0.932851, 0.253933, 0, 0.428571, 0.932887, 0.23861, 0, 0.444444, 0.932917, 0.224289, 0, 0.460317, 0.932943, 0.210917, 0, 0.47619, 0.932965, 0.19844, 0, 0.492063, 0.932982, 0.186807, 0, 0.507937, 0.932995, 0.175966, 0, 0.52381, 0.933005, 0.165869, 0, 0.539683, 0.933011, 0.156468, 0, 0.555556, 0.933013, 0.147719, 0, 0.571429, 0.933013, 0.139579, 0, 0.587302, 0.93301, 0.132007, 0, 0.603175, 0.933004, 0.124965, 0, 0.619048, 0.932994, 0.118416, 0, 0.634921, 0.932982, 0.112326, 0, 0.650794, 0.932968, 0.106663, 0, 0.666667, 0.93295, 0.101397, 0, 0.68254, 0.932931, 0.0964993, 0, 0.698413, 0.932908, 0.0919438, 0, 0.714286, 0.932883, 0.0877057, 0, 0.730159, 0.932856, 0.0837623, 0, 0.746032, 0.932827, 0.0800921, 0, 0.761905, 0.932796, 0.0766754, 0, 0.777778, 0.932762, 0.0734936, 0, 0.793651, 0.932727, 0.0705296, 0, 0.809524, 0.932689, 0.0677676, 0, 0.825397, 0.93265, 0.0651929, 0, 0.84127, 0.932609, 0.0627917, 0, 0.857143, 0.932565, 0.0605515, 0, 0.873016, 0.932521, 0.0584606, 0, 0.888889, 0.932474, 0.0565082, 0, 0.904762, 0.932427, 0.0546841, 0, 0.920635, 0.932377, 0.0529793, 0, 0.936508, 0.932326, 0.0513851, 0, 0.952381, 0.932274, 0.0498936, 0, 0.968254, 0.93222, 0.0484975, 0, 0.984127, 0.932164, 0.0471899, 0, 1 ]; + + // data textures + // TODO: figure out a way to compress the LTC BRDF data + + const ltc_float_1 = new Float32Array( LTC_MAT_1 ); + const ltc_float_2 = new Float32Array( LTC_MAT_2 ); + + const LTC_FLOAT_1 = new DataTexture( ltc_float_1, 64, 64, RGBAFormat, FloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); + const LTC_FLOAT_2 = new DataTexture( ltc_float_2, 64, 64, RGBAFormat, FloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); + + LTC_FLOAT_1.needsUpdate = true; + LTC_FLOAT_2.needsUpdate = true; + + const ltc_half_1 = new Uint16Array( LTC_MAT_1.length ); + + LTC_MAT_1.forEach( function ( x, index ) { + + ltc_half_1[ index ] = DataUtils.toHalfFloat( x ); + + } ); + + const ltc_half_2 = new Uint16Array( LTC_MAT_2.length ); + + LTC_MAT_2.forEach( function ( x, index ) { + + ltc_half_2[ index ] = DataUtils.toHalfFloat( x ); + + } ); + + const LTC_HALF_1 = new DataTexture( ltc_half_1, 64, 64, RGBAFormat, HalfFloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); + const LTC_HALF_2 = new DataTexture( ltc_half_2, 64, 64, RGBAFormat, HalfFloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); + + LTC_HALF_1.needsUpdate = true; + LTC_HALF_2.needsUpdate = true; + + this.LTC_HALF_1 = LTC_HALF_1; + this.LTC_HALF_2 = LTC_HALF_2; + + this.LTC_FLOAT_1 = LTC_FLOAT_1; + this.LTC_FLOAT_2 = LTC_FLOAT_2; + + return this; + + } + +} + +/** + * The first LTC FP16 data texture. + * + * @static + * @type {?DataTexture} + * @default null + */ +RectAreaLightTexturesLib.LTC_HALF_1 = null; + +/** + * The second LTC FP16 data texture. + * + * @static + * @type {?DataTexture} + * @default null + */ +RectAreaLightTexturesLib.LTC_HALF_2 = null; + +/** + * The first LTC FP32 data texture. + * + * @static + * @type {?DataTexture} + * @default null + */ +RectAreaLightTexturesLib.LTC_FLOAT_1 = null; + +/** + * The second LTC FP32 data texture. + * + * @static + * @type {?DataTexture} + * @default null + */ +RectAreaLightTexturesLib.LTC_FLOAT_2 = null; + +export { RectAreaLightTexturesLib }; diff --git a/node_modules/three/examples/jsm/lights/RectAreaLightUniformsLib.js b/node_modules/three/examples/jsm/lights/RectAreaLightUniformsLib.js new file mode 100644 index 0000000..b9a6a51 --- /dev/null +++ b/node_modules/three/examples/jsm/lights/RectAreaLightUniformsLib.js @@ -0,0 +1,40 @@ +import { UniformsLib } from 'three'; +import { RectAreaLightTexturesLib } from './RectAreaLightTexturesLib.js'; + +/** + * This class is only relevant when using {@link RectAreaLight} with {@link WebGLRenderer}. + * + * Before rect area lights can be used, the internal uniform library of the renderer must be + * enhanced with the following code. + * + * ```js + * RectAreaLightUniformsLib.init(); + * ``` + * + * @hideconstructor + * @three_import import { RectAreaLightUniformsLib } from 'three/addons/lights/RectAreaLightUniformsLib.js'; + */ +class RectAreaLightUniformsLib { + + /** + * Inits the uniform library required when using rect area lights. + */ + static init() { + + RectAreaLightTexturesLib.init(); + + const { LTC_FLOAT_1, LTC_FLOAT_2, LTC_HALF_1, LTC_HALF_2 } = RectAreaLightTexturesLib; + + // data textures + + UniformsLib.LTC_FLOAT_1 = LTC_FLOAT_1; + UniformsLib.LTC_FLOAT_2 = LTC_FLOAT_2; + + UniformsLib.LTC_HALF_1 = LTC_HALF_1; + UniformsLib.LTC_HALF_2 = LTC_HALF_2; + + } + +} + +export { RectAreaLightUniformsLib }; diff --git a/node_modules/three/examples/jsm/lines/Line2.js b/node_modules/three/examples/jsm/lines/Line2.js new file mode 100644 index 0000000..34aeecb --- /dev/null +++ b/node_modules/three/examples/jsm/lines/Line2.js @@ -0,0 +1,56 @@ +import { LineSegments2 } from './LineSegments2.js'; +import { LineGeometry } from './LineGeometry.js'; +import { LineMaterial } from './LineMaterial.js'; + +/** + * A polyline drawn between vertices. + * + * This adds functionality beyond {@link Line}, like arbitrary line width and changing width to + * be in world units.It extends {@link LineSegments2}, simplifying constructing segments from a + * chain of points. + * + * This module can only be used with {@link WebGLRenderer}. When using {@link WebGPURenderer}, + * import the class from `lines/webgpu/Line2.js`. + * + * ```js + * const geometry = new LineGeometry(); + * geometry.setPositions( positions ); + * geometry.setColors( colors ); + * + * const material = new LineMaterial( { linewidth: 5, vertexColors: true } }; + * + * const line = new Line2( geometry, material ); + * scene.add( line ); + * ``` + * + * @augments LineSegments2 + * @three_import import { Line2 } from 'three/addons/lines/Line2.js'; + */ +class Line2 extends LineSegments2 { + + /** + * Constructs a new wide line. + * + * @param {LineGeometry} [geometry] - The line geometry. + * @param {LineMaterial} [material] - The line material. + */ + constructor( geometry = new LineGeometry(), material = new LineMaterial( { color: Math.random() * 0xffffff } ) ) { + + super( geometry, material ); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isLine2 = true; + + this.type = 'Line2'; + + } + +} + +export { Line2 }; diff --git a/node_modules/three/examples/jsm/lines/LineGeometry.js b/node_modules/three/examples/jsm/lines/LineGeometry.js new file mode 100644 index 0000000..dc80108 --- /dev/null +++ b/node_modules/three/examples/jsm/lines/LineGeometry.js @@ -0,0 +1,157 @@ +import { LineSegmentsGeometry } from './LineSegmentsGeometry.js'; + +/** + * A chain of vertices, forming a polyline. + * + * This is used in {@link Line2} to describe the shape. + * + * ```js + * const points = [ + * new THREE.Vector3( - 10, 0, 0 ), + * new THREE.Vector3( 0, 5, 0 ), + * new THREE.Vector3( 10, 0, 0 ), + * ]; + * + * const geometry = new LineGeometry(); + * geometry.setFromPoints( points ); + * ``` + * + * @augments LineSegmentsGeometry + * @three_import import { LineLineGeometry2 } from 'three/addons/lines/LineGeometry.js'; + */ +class LineGeometry extends LineSegmentsGeometry { + + /** + * Constructs a new line geometry. + */ + constructor() { + + super(); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isLineGeometry = true; + + this.type = 'LineGeometry'; + + } + + /** + * Sets the given line positions for this geometry. + * + * @param {Float32Array|Array} array - The position data to set. + * @return {LineGeometry} A reference to this geometry. + */ + setPositions( array ) { + + // converts [ x1, y1, z1, x2, y2, z2, ... ] to pairs format + + const length = array.length - 3; + const points = new Float32Array( 2 * length ); + + for ( let i = 0; i < length; i += 3 ) { + + points[ 2 * i ] = array[ i ]; + points[ 2 * i + 1 ] = array[ i + 1 ]; + points[ 2 * i + 2 ] = array[ i + 2 ]; + + points[ 2 * i + 3 ] = array[ i + 3 ]; + points[ 2 * i + 4 ] = array[ i + 4 ]; + points[ 2 * i + 5 ] = array[ i + 5 ]; + + } + + super.setPositions( points ); + + return this; + + } + + /** + * Sets the given line colors for this geometry. + * + * @param {Float32Array|Array} array - The position data to set. + * @return {LineGeometry} A reference to this geometry. + */ + setColors( array ) { + + // converts [ r1, g1, b1, r2, g2, b2, ... ] to pairs format + + const length = array.length - 3; + const colors = new Float32Array( 2 * length ); + + for ( let i = 0; i < length; i += 3 ) { + + colors[ 2 * i ] = array[ i ]; + colors[ 2 * i + 1 ] = array[ i + 1 ]; + colors[ 2 * i + 2 ] = array[ i + 2 ]; + + colors[ 2 * i + 3 ] = array[ i + 3 ]; + colors[ 2 * i + 4 ] = array[ i + 4 ]; + colors[ 2 * i + 5 ] = array[ i + 5 ]; + + } + + super.setColors( colors ); + + return this; + + } + + /** + * Setups this line segments geometry from the given sequence of points. + * + * @param {Array} points - An array of points in 2D or 3D space. + * @return {LineGeometry} A reference to this geometry. + */ + setFromPoints( points ) { + + // converts a vector3 or vector2 array to pairs format + + const length = points.length - 1; + const positions = new Float32Array( 6 * length ); + + for ( let i = 0; i < length; i ++ ) { + + positions[ 6 * i ] = points[ i ].x; + positions[ 6 * i + 1 ] = points[ i ].y; + positions[ 6 * i + 2 ] = points[ i ].z || 0; + + positions[ 6 * i + 3 ] = points[ i + 1 ].x; + positions[ 6 * i + 4 ] = points[ i + 1 ].y; + positions[ 6 * i + 5 ] = points[ i + 1 ].z || 0; + + } + + super.setPositions( positions ); + + return this; + + } + + /** + * Setups this line segments geometry from the given line. + * + * @param {Line} line - The line that should be used as a data source for this geometry. + * @return {LineGeometry} A reference to this geometry. + */ + fromLine( line ) { + + const geometry = line.geometry; + + this.setPositions( geometry.attributes.position.array ); // assumes non-indexed + + // set colors, maybe + + return this; + + } + +} + +export { LineGeometry }; diff --git a/node_modules/three/examples/jsm/lines/LineMaterial.js b/node_modules/three/examples/jsm/lines/LineMaterial.js new file mode 100644 index 0000000..f14534a --- /dev/null +++ b/node_modules/three/examples/jsm/lines/LineMaterial.js @@ -0,0 +1,697 @@ +import { + ShaderLib, + ShaderMaterial, + UniformsLib, + UniformsUtils, + Vector2, +} from 'three'; + +UniformsLib.line = { + + worldUnits: { value: 1 }, + linewidth: { value: 1 }, + resolution: { value: new Vector2( 1, 1 ) }, + dashOffset: { value: 0 }, + dashScale: { value: 1 }, + dashSize: { value: 1 }, + gapSize: { value: 1 } // todo FIX - maybe change to totalSize + +}; + +ShaderLib[ 'line' ] = { + + uniforms: UniformsUtils.merge( [ + UniformsLib.common, + UniformsLib.fog, + UniformsLib.line + ] ), + + vertexShader: + /* glsl */` + #include + #include + #include + #include + #include + + uniform float linewidth; + uniform vec2 resolution; + + attribute vec3 instanceStart; + attribute vec3 instanceEnd; + + attribute vec3 instanceColorStart; + attribute vec3 instanceColorEnd; + + #ifdef WORLD_UNITS + + varying vec4 worldPos; + varying vec3 worldStart; + varying vec3 worldEnd; + + #ifdef USE_DASH + + varying vec2 vUv; + + #endif + + #else + + varying vec2 vUv; + + #endif + + #ifdef USE_DASH + + uniform float dashScale; + attribute float instanceDistanceStart; + attribute float instanceDistanceEnd; + varying float vLineDistance; + + #endif + + void trimSegment( const in vec4 start, inout vec4 end ) { + + // trim end segment so it terminates between the camera plane and the near plane + + // conservative estimate of the near plane + float a = projectionMatrix[ 2 ][ 2 ]; // 3nd entry in 3th column + float b = projectionMatrix[ 3 ][ 2 ]; // 3nd entry in 4th column + float nearEstimate = - 0.5 * b / a; + + float alpha = ( nearEstimate - start.z ) / ( end.z - start.z ); + + end.xyz = mix( start.xyz, end.xyz, alpha ); + + } + + void main() { + + #ifdef USE_COLOR + + vColor.xyz = ( position.y < 0.5 ) ? instanceColorStart : instanceColorEnd; + + #endif + + #ifdef USE_DASH + + vLineDistance = ( position.y < 0.5 ) ? dashScale * instanceDistanceStart : dashScale * instanceDistanceEnd; + vUv = uv; + + #endif + + float aspect = resolution.x / resolution.y; + + // camera space + vec4 start = modelViewMatrix * vec4( instanceStart, 1.0 ); + vec4 end = modelViewMatrix * vec4( instanceEnd, 1.0 ); + + #ifdef WORLD_UNITS + + worldStart = start.xyz; + worldEnd = end.xyz; + + #else + + vUv = uv; + + #endif + + // special case for perspective projection, and segments that terminate either in, or behind, the camera plane + // clearly the gpu firmware has a way of addressing this issue when projecting into ndc space + // but we need to perform ndc-space calculations in the shader, so we must address this issue directly + // perhaps there is a more elegant solution -- WestLangley + + bool perspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 ); // 4th entry in the 3rd column + + if ( perspective ) { + + if ( start.z < 0.0 && end.z >= 0.0 ) { + + trimSegment( start, end ); + + } else if ( end.z < 0.0 && start.z >= 0.0 ) { + + trimSegment( end, start ); + + } + + } + + // clip space + vec4 clipStart = projectionMatrix * start; + vec4 clipEnd = projectionMatrix * end; + + // ndc space + vec3 ndcStart = clipStart.xyz / clipStart.w; + vec3 ndcEnd = clipEnd.xyz / clipEnd.w; + + // direction + vec2 dir = ndcEnd.xy - ndcStart.xy; + + // account for clip-space aspect ratio + dir.x *= aspect; + dir = normalize( dir ); + + #ifdef WORLD_UNITS + + vec3 worldDir = normalize( end.xyz - start.xyz ); + vec3 tmpFwd = normalize( mix( start.xyz, end.xyz, 0.5 ) ); + vec3 worldUp = normalize( cross( worldDir, tmpFwd ) ); + vec3 worldFwd = cross( worldDir, worldUp ); + worldPos = position.y < 0.5 ? start: end; + + // height offset + float hw = linewidth * 0.5; + worldPos.xyz += position.x < 0.0 ? hw * worldUp : - hw * worldUp; + + // don't extend the line if we're rendering dashes because we + // won't be rendering the endcaps + #ifndef USE_DASH + + // cap extension + worldPos.xyz += position.y < 0.5 ? - hw * worldDir : hw * worldDir; + + // add width to the box + worldPos.xyz += worldFwd * hw; + + // endcaps + if ( position.y > 1.0 || position.y < 0.0 ) { + + worldPos.xyz -= worldFwd * 2.0 * hw; + + } + + #endif + + // project the worldpos + vec4 clip = projectionMatrix * worldPos; + + // shift the depth of the projected points so the line + // segments overlap neatly + vec3 clipPose = ( position.y < 0.5 ) ? ndcStart : ndcEnd; + clip.z = clipPose.z * clip.w; + + #else + + vec2 offset = vec2( dir.y, - dir.x ); + // undo aspect ratio adjustment + dir.x /= aspect; + offset.x /= aspect; + + // sign flip + if ( position.x < 0.0 ) offset *= - 1.0; + + // endcaps + if ( position.y < 0.0 ) { + + offset += - dir; + + } else if ( position.y > 1.0 ) { + + offset += dir; + + } + + // adjust for linewidth + offset *= linewidth; + + // adjust for clip-space to screen-space conversion // maybe resolution should be based on viewport ... + offset /= resolution.y; + + // select end + vec4 clip = ( position.y < 0.5 ) ? clipStart : clipEnd; + + // back to clip space + offset *= clip.w; + + clip.xy += offset; + + #endif + + gl_Position = clip; + + vec4 mvPosition = ( position.y < 0.5 ) ? start : end; // this is an approximation + + #include + #include + #include + + } + `, + + fragmentShader: + /* glsl */` + uniform vec3 diffuse; + uniform float opacity; + uniform float linewidth; + + #ifdef USE_DASH + + uniform float dashOffset; + uniform float dashSize; + uniform float gapSize; + + #endif + + varying float vLineDistance; + + #ifdef WORLD_UNITS + + varying vec4 worldPos; + varying vec3 worldStart; + varying vec3 worldEnd; + + #ifdef USE_DASH + + varying vec2 vUv; + + #endif + + #else + + varying vec2 vUv; + + #endif + + #include + #include + #include + #include + #include + + vec2 closestLineToLine(vec3 p1, vec3 p2, vec3 p3, vec3 p4) { + + float mua; + float mub; + + vec3 p13 = p1 - p3; + vec3 p43 = p4 - p3; + + vec3 p21 = p2 - p1; + + float d1343 = dot( p13, p43 ); + float d4321 = dot( p43, p21 ); + float d1321 = dot( p13, p21 ); + float d4343 = dot( p43, p43 ); + float d2121 = dot( p21, p21 ); + + float denom = d2121 * d4343 - d4321 * d4321; + + float numer = d1343 * d4321 - d1321 * d4343; + + mua = numer / denom; + mua = clamp( mua, 0.0, 1.0 ); + mub = ( d1343 + d4321 * ( mua ) ) / d4343; + mub = clamp( mub, 0.0, 1.0 ); + + return vec2( mua, mub ); + + } + + void main() { + + float alpha = opacity; + vec4 diffuseColor = vec4( diffuse, alpha ); + + #include + + #ifdef USE_DASH + + if ( vUv.y < - 1.0 || vUv.y > 1.0 ) discard; // discard endcaps + + if ( mod( vLineDistance + dashOffset, dashSize + gapSize ) > dashSize ) discard; // todo - FIX + + #endif + + #ifdef WORLD_UNITS + + // Find the closest points on the view ray and the line segment + vec3 rayEnd = normalize( worldPos.xyz ) * 1e5; + vec3 lineDir = worldEnd - worldStart; + vec2 params = closestLineToLine( worldStart, worldEnd, vec3( 0.0, 0.0, 0.0 ), rayEnd ); + + vec3 p1 = worldStart + lineDir * params.x; + vec3 p2 = rayEnd * params.y; + vec3 delta = p1 - p2; + float len = length( delta ); + float norm = len / linewidth; + + #ifndef USE_DASH + + #ifdef USE_ALPHA_TO_COVERAGE + + float dnorm = fwidth( norm ); + alpha = 1.0 - smoothstep( 0.5 - dnorm, 0.5 + dnorm, norm ); + + #else + + if ( norm > 0.5 ) { + + discard; + + } + + #endif + + #endif + + #else + + #ifdef USE_ALPHA_TO_COVERAGE + + // artifacts appear on some hardware if a derivative is taken within a conditional + float a = vUv.x; + float b = ( vUv.y > 0.0 ) ? vUv.y - 1.0 : vUv.y + 1.0; + float len2 = a * a + b * b; + float dlen = fwidth( len2 ); + + if ( abs( vUv.y ) > 1.0 ) { + + alpha = 1.0 - smoothstep( 1.0 - dlen, 1.0 + dlen, len2 ); + + } + + #else + + if ( abs( vUv.y ) > 1.0 ) { + + float a = vUv.x; + float b = ( vUv.y > 0.0 ) ? vUv.y - 1.0 : vUv.y + 1.0; + float len2 = a * a + b * b; + + if ( len2 > 1.0 ) discard; + + } + + #endif + + #endif + + #include + #include + + gl_FragColor = vec4( diffuseColor.rgb, alpha ); + + #include + #include + #include + #include + + } + ` +}; + +/** + * A material for drawing wireframe-style geometries. + * + * Unlike {@link LineBasicMaterial}, it supports arbitrary line widths and allows using world units + * instead of screen space units. This material is used with {@link LineSegments2} and {@link Line2}. + * + * This module can only be used with {@link WebGLRenderer}. When using {@link WebGPURenderer}, + * use {@link Line2NodeMaterial}. + * + * @augments ShaderMaterial + * @three_import import { LineMaterial } from 'three/addons/lines/LineMaterial.js'; + */ +class LineMaterial extends ShaderMaterial { + + /** + * Constructs a new line segments geometry. + * + * @param {Object} [parameters] - An object with one or more properties + * defining the material's appearance. Any property of the material + * (including any property from inherited materials) can be passed + * in here. Color values can be passed any type of value accepted + * by {@link Color#set}. + */ + constructor( parameters ) { + + super( { + + type: 'LineMaterial', + uniforms: UniformsUtils.clone( ShaderLib[ 'line' ].uniforms ), + + vertexShader: ShaderLib[ 'line' ].vertexShader, + fragmentShader: ShaderLib[ 'line' ].fragmentShader, + + clipping: true // required for clipping support + + } ); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isLineMaterial = true; + + this.setValues( parameters ); + + } + + /** + * The material's color. + * + * @type {Color} + * @default (1,1,1) + */ + get color() { + + return this.uniforms.diffuse.value; + + } + + set color( value ) { + + this.uniforms.diffuse.value = value; + + } + + /** + * Whether the material's sizes (width, dash gaps) are in world units. + * + * @type {boolean} + * @default false + */ + get worldUnits() { + + return 'WORLD_UNITS' in this.defines; + + } + + set worldUnits( value ) { + + if ( value === true ) { + + this.defines.WORLD_UNITS = ''; + + } else { + + delete this.defines.WORLD_UNITS; + + } + + } + + /** + * Controls line thickness in CSS pixel units when `worldUnits` is `false` (default), + * or in world units when `worldUnits` is `true`. + * + * @type {number} + * @default 1 + */ + get linewidth() { + + return this.uniforms.linewidth.value; + + } + + set linewidth( value ) { + + if ( ! this.uniforms.linewidth ) return; + this.uniforms.linewidth.value = value; + + } + + /** + * Whether the line is dashed, or solid. + * + * @type {boolean} + * @default false + */ + get dashed() { + + return 'USE_DASH' in this.defines; + + } + + set dashed( value ) { + + if ( ( value === true ) !== this.dashed ) { + + this.needsUpdate = true; + + } + + if ( value === true ) { + + this.defines.USE_DASH = ''; + + } else { + + delete this.defines.USE_DASH; + + } + + } + + /** + * The scale of the dashes and gaps. + * + * @type {number} + * @default 1 + */ + get dashScale() { + + return this.uniforms.dashScale.value; + + } + + set dashScale( value ) { + + this.uniforms.dashScale.value = value; + + } + + /** + * The size of the dash. + * + * @type {number} + * @default 1 + */ + get dashSize() { + + return this.uniforms.dashSize.value; + + } + + set dashSize( value ) { + + this.uniforms.dashSize.value = value; + + } + + /** + * Where in the dash cycle the dash starts. + * + * @type {number} + * @default 0 + */ + get dashOffset() { + + return this.uniforms.dashOffset.value; + + } + + set dashOffset( value ) { + + this.uniforms.dashOffset.value = value; + + } + + /** + * The size of the gap. + * + * @type {number} + * @default 0 + */ + get gapSize() { + + return this.uniforms.gapSize.value; + + } + + set gapSize( value ) { + + this.uniforms.gapSize.value = value; + + } + + /** + * The opacity. + * + * @type {number} + * @default 1 + */ + get opacity() { + + return this.uniforms.opacity.value; + + } + + set opacity( value ) { + + if ( ! this.uniforms ) return; + this.uniforms.opacity.value = value; + + } + + /** + * The size of the viewport, in screen pixels. This must be kept updated to make + * screen-space rendering accurate.The `LineSegments2.onBeforeRender` callback + * performs the update for visible objects. + * + * @type {Vector2} + */ + get resolution() { + + return this.uniforms.resolution.value; + + } + + set resolution( value ) { + + this.uniforms.resolution.value.copy( value ); + + } + + /** + * Whether to use alphaToCoverage or not. When enabled, this can improve the + * anti-aliasing of line edges when using MSAA. + * + * @type {boolean} + */ + get alphaToCoverage() { + + return 'USE_ALPHA_TO_COVERAGE' in this.defines; + + } + + set alphaToCoverage( value ) { + + if ( ! this.defines ) return; + + if ( ( value === true ) !== this.alphaToCoverage ) { + + this.needsUpdate = true; + + } + + if ( value === true ) { + + this.defines.USE_ALPHA_TO_COVERAGE = ''; + + } else { + + delete this.defines.USE_ALPHA_TO_COVERAGE; + + } + + } + +} + +export { LineMaterial }; diff --git a/node_modules/three/examples/jsm/lines/LineSegments2.js b/node_modules/three/examples/jsm/lines/LineSegments2.js new file mode 100644 index 0000000..6fce6f2 --- /dev/null +++ b/node_modules/three/examples/jsm/lines/LineSegments2.js @@ -0,0 +1,426 @@ +import { + Box3, + InstancedInterleavedBuffer, + InterleavedBufferAttribute, + Line3, + MathUtils, + Matrix4, + Mesh, + Sphere, + Vector3, + Vector4 +} from 'three'; +import { LineSegmentsGeometry } from './LineSegmentsGeometry.js'; +import { LineMaterial } from './LineMaterial.js'; + +const _viewport = new Vector4(); + +const _start = new Vector3(); +const _end = new Vector3(); + +const _start4 = new Vector4(); +const _end4 = new Vector4(); + +const _ssOrigin = new Vector4(); +const _ssOrigin3 = new Vector3(); +const _mvMatrix = new Matrix4(); +const _line = new Line3(); +const _closestPoint = new Vector3(); + +const _box = new Box3(); +const _sphere = new Sphere(); +const _clipToWorldVector = new Vector4(); + +let _ray, _lineWidth; + +// Returns the margin required to expand by in world space given the distance from the camera, +// line width, resolution, and camera projection +function getWorldSpaceHalfWidth( camera, distance, resolution ) { + + // transform into clip space, adjust the x and y values by the pixel width offset, then + // transform back into world space to get world offset. Note clip space is [-1, 1] so full + // width does not need to be halved. + _clipToWorldVector.set( 0, 0, - distance, 1.0 ).applyMatrix4( camera.projectionMatrix ); + _clipToWorldVector.multiplyScalar( 1.0 / _clipToWorldVector.w ); + _clipToWorldVector.x = _lineWidth / resolution.width; + _clipToWorldVector.y = _lineWidth / resolution.height; + _clipToWorldVector.applyMatrix4( camera.projectionMatrixInverse ); + _clipToWorldVector.multiplyScalar( 1.0 / _clipToWorldVector.w ); + + return Math.abs( Math.max( _clipToWorldVector.x, _clipToWorldVector.y ) ); + +} + +function raycastWorldUnits( lineSegments, intersects ) { + + const matrixWorld = lineSegments.matrixWorld; + const geometry = lineSegments.geometry; + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const segmentCount = Math.min( geometry.instanceCount, instanceStart.count ); + + for ( let i = 0, l = segmentCount; i < l; i ++ ) { + + _line.start.fromBufferAttribute( instanceStart, i ); + _line.end.fromBufferAttribute( instanceEnd, i ); + + _line.applyMatrix4( matrixWorld ); + + const pointOnLine = new Vector3(); + const point = new Vector3(); + + _ray.distanceSqToSegment( _line.start, _line.end, point, pointOnLine ); + const isInside = point.distanceTo( pointOnLine ) < _lineWidth * 0.5; + + if ( isInside ) { + + intersects.push( { + point, + pointOnLine, + distance: _ray.origin.distanceTo( point ), + object: lineSegments, + face: null, + faceIndex: i, + uv: null, + uv1: null, + } ); + + } + + } + +} + +function raycastScreenSpace( lineSegments, camera, intersects ) { + + const projectionMatrix = camera.projectionMatrix; + const material = lineSegments.material; + const resolution = material.resolution; + const matrixWorld = lineSegments.matrixWorld; + + const geometry = lineSegments.geometry; + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const segmentCount = Math.min( geometry.instanceCount, instanceStart.count ); + + const near = - camera.near; + + // + + // pick a point 1 unit out along the ray to avoid the ray origin + // sitting at the camera origin which will cause "w" to be 0 when + // applying the projection matrix. + _ray.at( 1, _ssOrigin ); + + // ndc space [ - 1.0, 1.0 ] + _ssOrigin.w = 1; + _ssOrigin.applyMatrix4( camera.matrixWorldInverse ); + _ssOrigin.applyMatrix4( projectionMatrix ); + _ssOrigin.multiplyScalar( 1 / _ssOrigin.w ); + + // screen space + _ssOrigin.x *= resolution.x / 2; + _ssOrigin.y *= resolution.y / 2; + _ssOrigin.z = 0; + + _ssOrigin3.copy( _ssOrigin ); + + _mvMatrix.multiplyMatrices( camera.matrixWorldInverse, matrixWorld ); + + for ( let i = 0, l = segmentCount; i < l; i ++ ) { + + _start4.fromBufferAttribute( instanceStart, i ); + _end4.fromBufferAttribute( instanceEnd, i ); + + _start4.w = 1; + _end4.w = 1; + + // camera space + _start4.applyMatrix4( _mvMatrix ); + _end4.applyMatrix4( _mvMatrix ); + + // skip the segment if it's entirely behind the camera + const isBehindCameraNear = _start4.z > near && _end4.z > near; + if ( isBehindCameraNear ) { + + continue; + + } + + // trim the segment if it extends behind camera near + if ( _start4.z > near ) { + + const deltaDist = _start4.z - _end4.z; + const t = ( _start4.z - near ) / deltaDist; + _start4.lerp( _end4, t ); + + } else if ( _end4.z > near ) { + + const deltaDist = _end4.z - _start4.z; + const t = ( _end4.z - near ) / deltaDist; + _end4.lerp( _start4, t ); + + } + + // clip space + _start4.applyMatrix4( projectionMatrix ); + _end4.applyMatrix4( projectionMatrix ); + + // ndc space [ - 1.0, 1.0 ] + _start4.multiplyScalar( 1 / _start4.w ); + _end4.multiplyScalar( 1 / _end4.w ); + + // screen space + _start4.x *= resolution.x / 2; + _start4.y *= resolution.y / 2; + + _end4.x *= resolution.x / 2; + _end4.y *= resolution.y / 2; + + // create 2d segment + _line.start.copy( _start4 ); + _line.start.z = 0; + + _line.end.copy( _end4 ); + _line.end.z = 0; + + // get closest point on ray to segment + const param = _line.closestPointToPointParameter( _ssOrigin3, true ); + _line.at( param, _closestPoint ); + + // check if the intersection point is within clip space + const zPos = MathUtils.lerp( _start4.z, _end4.z, param ); + const isInClipSpace = zPos >= - 1 && zPos <= 1; + + const isInside = _ssOrigin3.distanceTo( _closestPoint ) < _lineWidth * 0.5; + + if ( isInClipSpace && isInside ) { + + _line.start.fromBufferAttribute( instanceStart, i ); + _line.end.fromBufferAttribute( instanceEnd, i ); + + _line.start.applyMatrix4( matrixWorld ); + _line.end.applyMatrix4( matrixWorld ); + + const pointOnLine = new Vector3(); + const point = new Vector3(); + + _ray.distanceSqToSegment( _line.start, _line.end, point, pointOnLine ); + + intersects.push( { + point: point, + pointOnLine: pointOnLine, + distance: _ray.origin.distanceTo( point ), + object: lineSegments, + face: null, + faceIndex: i, + uv: null, + uv1: null, + } ); + + } + + } + +} + +/** + * A series of lines drawn between pairs of vertices. + * + * This adds functionality beyond {@link LineSegments}, like arbitrary line width and changing width + * to be in world units. {@link Line2} extends this object, forming a polyline instead of individual + * segments. + * + * This module can only be used with {@link WebGLRenderer}. When using {@link WebGPURenderer}, + * import the class from `lines/webgpu/LineSegments2.js`. + * + * ```js + * const geometry = new LineSegmentsGeometry(); + * geometry.setPositions( positions ); + * geometry.setColors( colors ); + * + * const material = new LineMaterial( { linewidth: 5, vertexColors: true } }; + * + * const lineSegments = new LineSegments2( geometry, material ); + * scene.add( lineSegments ); + * ``` + * + * @augments Mesh + * @three_import import { LineSegments2 } from 'three/addons/lines/LineSegments2.js'; + */ +class LineSegments2 extends Mesh { + + /** + * Constructs a new wide line. + * + * @param {LineSegmentsGeometry} [geometry] - The line geometry. + * @param {LineMaterial} [material] - The line material. + */ + constructor( geometry = new LineSegmentsGeometry(), material = new LineMaterial( { color: Math.random() * 0xffffff } ) ) { + + super( geometry, material ); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isLineSegments2 = true; + + this.type = 'LineSegments2'; + + } + + /** + * Computes an array of distance values which are necessary for rendering dashed lines. + * For each vertex in the geometry, the method calculates the cumulative length from the + * current point to the very beginning of the line. + * + * @return {LineSegments2} A reference to this instance. + */ + computeLineDistances() { + + // for backwards-compatibility, but could be a method of LineSegmentsGeometry... + + const geometry = this.geometry; + + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const lineDistances = new Float32Array( 2 * instanceStart.count ); + + for ( let i = 0, j = 0, l = instanceStart.count; i < l; i ++, j += 2 ) { + + _start.fromBufferAttribute( instanceStart, i ); + _end.fromBufferAttribute( instanceEnd, i ); + + lineDistances[ j ] = ( j === 0 ) ? 0 : lineDistances[ j - 1 ]; + lineDistances[ j + 1 ] = lineDistances[ j ] + _start.distanceTo( _end ); + + } + + const instanceDistanceBuffer = new InstancedInterleavedBuffer( lineDistances, 2, 1 ); // d0, d1 + + geometry.setAttribute( 'instanceDistanceStart', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 0 ) ); // d0 + geometry.setAttribute( 'instanceDistanceEnd', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 1 ) ); // d1 + + return this; + + } + + /** + * Computes intersection points between a casted ray and this instance. + * + * @param {Raycaster} raycaster - The raycaster. + * @param {Array} intersects - The target array that holds the intersection points. + */ + raycast( raycaster, intersects ) { + + const worldUnits = this.material.worldUnits; + const camera = raycaster.camera; + + if ( camera === null && ! worldUnits ) { + + console.error( 'LineSegments2: "Raycaster.camera" needs to be set in order to raycast against LineSegments2 while worldUnits is set to false.' ); + + } + + const threshold = ( raycaster.params.Line2 !== undefined ) ? raycaster.params.Line2.threshold || 0 : 0; + + _ray = raycaster.ray; + + const matrixWorld = this.matrixWorld; + const geometry = this.geometry; + const material = this.material; + + _lineWidth = material.linewidth + threshold; + + // check if we intersect the sphere bounds + if ( geometry.boundingSphere === null ) { + + geometry.computeBoundingSphere(); + + } + + _sphere.copy( geometry.boundingSphere ).applyMatrix4( matrixWorld ); + + // increase the sphere bounds by the worst case line screen space width + let sphereMargin; + if ( worldUnits ) { + + sphereMargin = _lineWidth * 0.5; + + } else { + + const distanceToSphere = Math.max( camera.near, _sphere.distanceToPoint( _ray.origin ) ); + sphereMargin = getWorldSpaceHalfWidth( camera, distanceToSphere, material.resolution ); + + } + + _sphere.radius += sphereMargin; + + if ( _ray.intersectsSphere( _sphere ) === false ) { + + return; + + } + + // check if we intersect the box bounds + if ( geometry.boundingBox === null ) { + + geometry.computeBoundingBox(); + + } + + _box.copy( geometry.boundingBox ).applyMatrix4( matrixWorld ); + + // increase the box bounds by the worst case line width + let boxMargin; + if ( worldUnits ) { + + boxMargin = _lineWidth * 0.5; + + } else { + + const distanceToBox = Math.max( camera.near, _box.distanceToPoint( _ray.origin ) ); + boxMargin = getWorldSpaceHalfWidth( camera, distanceToBox, material.resolution ); + + } + + _box.expandByScalar( boxMargin ); + + if ( _ray.intersectsBox( _box ) === false ) { + + return; + + } + + if ( worldUnits ) { + + raycastWorldUnits( this, intersects ); + + } else { + + raycastScreenSpace( this, camera, intersects ); + + } + + } + + onBeforeRender( renderer ) { + + const uniforms = this.material.uniforms; + + if ( uniforms && uniforms.resolution ) { + + renderer.getViewport( _viewport ); + this.material.uniforms.resolution.value.set( _viewport.z, _viewport.w ); + + } + + } + +} + +export { LineSegments2 }; diff --git a/node_modules/three/examples/jsm/lines/LineSegmentsGeometry.js b/node_modules/three/examples/jsm/lines/LineSegmentsGeometry.js new file mode 100644 index 0000000..500117b --- /dev/null +++ b/node_modules/three/examples/jsm/lines/LineSegmentsGeometry.js @@ -0,0 +1,298 @@ +import { + Box3, + Float32BufferAttribute, + InstancedBufferGeometry, + InstancedInterleavedBuffer, + InterleavedBufferAttribute, + Sphere, + Vector3, + WireframeGeometry +} from 'three'; + +const _box = new Box3(); +const _vector = new Vector3(); + +/** + * A series of vertex pairs, forming line segments. + * + * This is used in {@link LineSegments2} to describe the shape. + * + * @augments InstancedBufferGeometry + * @three_import import { LineSegmentsGeometry } from 'three/addons/lines/LineSegmentsGeometry.js'; + */ +class LineSegmentsGeometry extends InstancedBufferGeometry { + + /** + * Constructs a new line segments geometry. + */ + constructor() { + + super(); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isLineSegmentsGeometry = true; + + this.type = 'LineSegmentsGeometry'; + + const positions = [ - 1, 2, 0, 1, 2, 0, - 1, 1, 0, 1, 1, 0, - 1, 0, 0, 1, 0, 0, - 1, - 1, 0, 1, - 1, 0 ]; + const uvs = [ - 1, 2, 1, 2, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 2, 1, - 2 ]; + const index = [ 0, 2, 1, 2, 3, 1, 2, 4, 3, 4, 5, 3, 4, 6, 5, 6, 7, 5 ]; + + this.setIndex( index ); + this.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + /** + * Applies the given 4x4 transformation matrix to the geometry. + * + * @param {Matrix4} matrix - The matrix to apply. + * @return {LineSegmentsGeometry} A reference to this instance. + */ + applyMatrix4( matrix ) { + + const start = this.attributes.instanceStart; + const end = this.attributes.instanceEnd; + + if ( start !== undefined ) { + + start.applyMatrix4( matrix ); + + end.applyMatrix4( matrix ); + + start.needsUpdate = true; + + } + + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); + + } + + if ( this.boundingSphere !== null ) { + + this.computeBoundingSphere(); + + } + + return this; + + } + + /** + * Sets the given line positions for this geometry. The length must be a multiple of six since + * each line segment is defined by a start end vertex in the pattern `(xyz xyz)`. + * + * @param {Float32Array|Array} array - The position data to set. + * @return {LineSegmentsGeometry} A reference to this geometry. + */ + setPositions( array ) { + + let lineSegments; + + if ( array instanceof Float32Array ) { + + lineSegments = array; + + } else if ( Array.isArray( array ) ) { + + lineSegments = new Float32Array( array ); + + } + + const instanceBuffer = new InstancedInterleavedBuffer( lineSegments, 6, 1 ); // xyz, xyz + + this.setAttribute( 'instanceStart', new InterleavedBufferAttribute( instanceBuffer, 3, 0 ) ); // xyz + this.setAttribute( 'instanceEnd', new InterleavedBufferAttribute( instanceBuffer, 3, 3 ) ); // xyz + + this.instanceCount = this.attributes.instanceStart.count; + + // + + this.computeBoundingBox(); + this.computeBoundingSphere(); + + return this; + + } + + /** + * Sets the given line colors for this geometry. The length must be a multiple of six since + * each line segment is defined by a start end color in the pattern `(rgb rgb)`. + * + * @param {Float32Array|Array} array - The position data to set. + * @return {LineSegmentsGeometry} A reference to this geometry. + */ + setColors( array ) { + + let colors; + + if ( array instanceof Float32Array ) { + + colors = array; + + } else if ( Array.isArray( array ) ) { + + colors = new Float32Array( array ); + + } + + const instanceColorBuffer = new InstancedInterleavedBuffer( colors, 6, 1 ); // rgb, rgb + + this.setAttribute( 'instanceColorStart', new InterleavedBufferAttribute( instanceColorBuffer, 3, 0 ) ); // rgb + this.setAttribute( 'instanceColorEnd', new InterleavedBufferAttribute( instanceColorBuffer, 3, 3 ) ); // rgb + + return this; + + } + + /** + * Setups this line segments geometry from the given wireframe geometry. + * + * @param {WireframeGeometry} geometry - The geometry that should be used as a data source for this geometry. + * @return {LineSegmentsGeometry} A reference to this geometry. + */ + fromWireframeGeometry( geometry ) { + + this.setPositions( geometry.attributes.position.array ); + + return this; + + } + + /** + * Setups this line segments geometry from the given edges geometry. + * + * @param {EdgesGeometry} geometry - The geometry that should be used as a data source for this geometry. + * @return {LineSegmentsGeometry} A reference to this geometry. + */ + fromEdgesGeometry( geometry ) { + + this.setPositions( geometry.attributes.position.array ); + + return this; + + } + + /** + * Setups this line segments geometry from the given mesh. + * + * @param {Mesh} mesh - The mesh geometry that should be used as a data source for this geometry. + * @return {LineSegmentsGeometry} A reference to this geometry. + */ + fromMesh( mesh ) { + + this.fromWireframeGeometry( new WireframeGeometry( mesh.geometry ) ); + + // set colors, maybe + + return this; + + } + + /** + * Setups this line segments geometry from the given line segments. + * + * @param {LineSegments} lineSegments - The line segments that should be used as a data source for this geometry. + * Assumes the source geometry is not using indices. + * @return {LineSegmentsGeometry} A reference to this geometry. + */ + fromLineSegments( lineSegments ) { + + const geometry = lineSegments.geometry; + + this.setPositions( geometry.attributes.position.array ); // assumes non-indexed + + // set colors, maybe + + return this; + + } + + computeBoundingBox() { + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + const start = this.attributes.instanceStart; + const end = this.attributes.instanceEnd; + + if ( start !== undefined && end !== undefined ) { + + this.boundingBox.setFromBufferAttribute( start ); + + _box.setFromBufferAttribute( end ); + + this.boundingBox.union( _box ); + + } + + } + + computeBoundingSphere() { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + if ( this.boundingBox === null ) { + + this.computeBoundingBox(); + + } + + const start = this.attributes.instanceStart; + const end = this.attributes.instanceEnd; + + if ( start !== undefined && end !== undefined ) { + + const center = this.boundingSphere.center; + + this.boundingBox.getCenter( center ); + + let maxRadiusSq = 0; + + for ( let i = 0, il = start.count; i < il; i ++ ) { + + _vector.fromBufferAttribute( start, i ); + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector ) ); + + _vector.fromBufferAttribute( end, i ); + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector ) ); + + } + + this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); + + if ( isNaN( this.boundingSphere.radius ) ) { + + console.error( 'THREE.LineSegmentsGeometry.computeBoundingSphere(): Computed radius is NaN. The instanced position data is likely to have NaN values.', this ); + + } + + } + + } + + toJSON() { + + // todo + + } + +} + +export { LineSegmentsGeometry }; diff --git a/node_modules/three/examples/jsm/lines/Wireframe.js b/node_modules/three/examples/jsm/lines/Wireframe.js new file mode 100644 index 0000000..e924714 --- /dev/null +++ b/node_modules/three/examples/jsm/lines/Wireframe.js @@ -0,0 +1,108 @@ +import { + InstancedInterleavedBuffer, + InterleavedBufferAttribute, + Mesh, + Vector3, + Vector4 +} from 'three'; +import { LineSegmentsGeometry } from './LineSegmentsGeometry.js'; +import { LineMaterial } from './LineMaterial.js'; + +const _start = new Vector3(); +const _end = new Vector3(); +const _viewport = new Vector4(); + +/** + * A class for creating wireframes based on wide lines. + * + * This module can only be used with {@link WebGLRenderer}. When using {@link WebGPURenderer}, + * import the class from `lines/webgpu/Wireframe.js`. + * + * ```js + * const geometry = new THREE.IcosahedronGeometry(); + * const wireframeGeometry = new WireframeGeometry2( geo ); + * + * const wireframe = new Wireframe( wireframeGeometry, material ); + * scene.add( wireframe ); + * ``` + * + * @augments Mesh + * @three_import import { Wireframe } from 'three/addons/lines/Wireframe.js'; + */ +class Wireframe extends Mesh { + + /** + * Constructs a new wireframe. + * + * @param {LineSegmentsGeometry} [geometry] - The line geometry. + * @param {LineMaterial} [material] - The line material. + */ + constructor( geometry = new LineSegmentsGeometry(), material = new LineMaterial( { color: Math.random() * 0xffffff } ) ) { + + super( geometry, material ); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isWireframe = true; + + this.type = 'Wireframe'; + + } + + /** + * Computes an array of distance values which are necessary for rendering dashed lines. + * For each vertex in the geometry, the method calculates the cumulative length from the + * current point to the very beginning of the line. + * + * @return {Wireframe} A reference to this instance. + */ + computeLineDistances() { + + // for backwards-compatibility, but could be a method of LineSegmentsGeometry... + + const geometry = this.geometry; + + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const lineDistances = new Float32Array( 2 * instanceStart.count ); + + for ( let i = 0, j = 0, l = instanceStart.count; i < l; i ++, j += 2 ) { + + _start.fromBufferAttribute( instanceStart, i ); + _end.fromBufferAttribute( instanceEnd, i ); + + lineDistances[ j ] = ( j === 0 ) ? 0 : lineDistances[ j - 1 ]; + lineDistances[ j + 1 ] = lineDistances[ j ] + _start.distanceTo( _end ); + + } + + const instanceDistanceBuffer = new InstancedInterleavedBuffer( lineDistances, 2, 1 ); // d0, d1 + + geometry.setAttribute( 'instanceDistanceStart', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 0 ) ); // d0 + geometry.setAttribute( 'instanceDistanceEnd', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 1 ) ); // d1 + + return this; + + } + + onBeforeRender( renderer ) { + + const uniforms = this.material.uniforms; + + if ( uniforms && uniforms.resolution ) { + + renderer.getViewport( _viewport ); + this.material.uniforms.resolution.value.set( _viewport.z, _viewport.w ); + + } + + } + +} + +export { Wireframe }; diff --git a/node_modules/three/examples/jsm/lines/WireframeGeometry2.js b/node_modules/three/examples/jsm/lines/WireframeGeometry2.js new file mode 100644 index 0000000..ed9145b --- /dev/null +++ b/node_modules/three/examples/jsm/lines/WireframeGeometry2.js @@ -0,0 +1,49 @@ +import { + WireframeGeometry +} from 'three'; +import { LineSegmentsGeometry } from './LineSegmentsGeometry.js'; + +/** + * A special type of line segments geometry intended for wireframe rendering. + * + * This is used in {@link Wireframe} to describe the shape. + * + * ```js + * const geometry = new THREE.IcosahedronGeometry(); + * const wireframeGeometry = new WireframeGeometry2( geo ); + * ``` + * + * @augments LineSegmentsGeometry + * @three_import import { WireframeGeometry2 } from 'three/addons/lines/WireframeGeometry2.js'; + */ +class WireframeGeometry2 extends LineSegmentsGeometry { + + /** + * Constructs a new wireframe geometry. + * + * @param {BufferGeometry} [geometry] - The geometry to render the wireframe for. + */ + constructor( geometry ) { + + super(); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isWireframeGeometry2 = true; + + this.type = 'WireframeGeometry2'; + + this.fromWireframeGeometry( new WireframeGeometry( geometry ) ); + + // set colors, maybe + + } + +} + +export { WireframeGeometry2 }; diff --git a/node_modules/three/examples/jsm/lines/webgpu/Line2.js b/node_modules/three/examples/jsm/lines/webgpu/Line2.js new file mode 100644 index 0000000..ea8eed8 --- /dev/null +++ b/node_modules/three/examples/jsm/lines/webgpu/Line2.js @@ -0,0 +1,46 @@ +import { Line2NodeMaterial } from 'three/webgpu'; + +import { LineSegments2 } from './LineSegments2.js'; +import { LineGeometry } from '../LineGeometry.js'; + +/** + * A polyline drawn between vertices. + * + * This adds functionality beyond {@link Line}, like arbitrary line width and changing width to + * be in world units.It extends {@link LineSegments2}, simplifying constructing segments from a + * chain of points. + * + * This module can only be used with {@link WebGPURenderer}. When using {@link WebGLRenderer}, + * import the class from `lines/Line2.js`. + * + * @augments LineSegments2 + * @three_import import { Line2 } from 'three/addons/lines/webgpu/Line2.js'; + */ +class Line2 extends LineSegments2 { + + /** + * Constructs a new wide line. + * + * @param {LineGeometry} [geometry] - The line geometry. + * @param {Line2NodeMaterial} [material] - The line material. + */ + constructor( geometry = new LineGeometry(), material = new Line2NodeMaterial( { color: Math.random() * 0xffffff } ) ) { + + super( geometry, material ); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isLine2 = true; + + this.type = 'Line2'; + + } + +} + +export { Line2 }; diff --git a/node_modules/three/examples/jsm/lines/webgpu/LineSegments2.js b/node_modules/three/examples/jsm/lines/webgpu/LineSegments2.js new file mode 100644 index 0000000..3d9f75f --- /dev/null +++ b/node_modules/three/examples/jsm/lines/webgpu/LineSegments2.js @@ -0,0 +1,411 @@ +import { + Box3, + InstancedInterleavedBuffer, + InterleavedBufferAttribute, + Line3, + MathUtils, + Matrix4, + Mesh, + Sphere, + Vector3, + Vector4, + Line2NodeMaterial, + Vector2 +} from 'three/webgpu'; +import { LineSegmentsGeometry } from '../LineSegmentsGeometry.js'; + +const _start = new Vector3(); +const _end = new Vector3(); + +const _start4 = new Vector4(); +const _end4 = new Vector4(); + +const _ssOrigin = new Vector4(); +const _ssOrigin3 = new Vector3(); +const _mvMatrix = new Matrix4(); +const _line = new Line3(); +const _closestPoint = new Vector3(); + +const _box = new Box3(); +const _sphere = new Sphere(); +const _clipToWorldVector = new Vector4(); +const _viewport = new Vector4(); + +let _ray, _lineWidth; + +// Returns the margin required to expand by in world space given the distance from the camera, +// line width, resolution, and camera projection +function getWorldSpaceHalfWidth( camera, distance, resolution ) { + + // transform into clip space, adjust the x and y values by the pixel width offset, then + // transform back into world space to get world offset. Note clip space is [-1, 1] so full + // width does not need to be halved. + _clipToWorldVector.set( 0, 0, - distance, 1.0 ).applyMatrix4( camera.projectionMatrix ); + _clipToWorldVector.multiplyScalar( 1.0 / _clipToWorldVector.w ); + _clipToWorldVector.x = _lineWidth / resolution.width; + _clipToWorldVector.y = _lineWidth / resolution.height; + _clipToWorldVector.applyMatrix4( camera.projectionMatrixInverse ); + _clipToWorldVector.multiplyScalar( 1.0 / _clipToWorldVector.w ); + + return Math.abs( Math.max( _clipToWorldVector.x, _clipToWorldVector.y ) ); + +} + +function raycastWorldUnits( lineSegments, intersects ) { + + const matrixWorld = lineSegments.matrixWorld; + const geometry = lineSegments.geometry; + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const segmentCount = Math.min( geometry.instanceCount, instanceStart.count ); + + for ( let i = 0, l = segmentCount; i < l; i ++ ) { + + _line.start.fromBufferAttribute( instanceStart, i ); + _line.end.fromBufferAttribute( instanceEnd, i ); + + _line.applyMatrix4( matrixWorld ); + + const pointOnLine = new Vector3(); + const point = new Vector3(); + + _ray.distanceSqToSegment( _line.start, _line.end, point, pointOnLine ); + const isInside = point.distanceTo( pointOnLine ) < _lineWidth * 0.5; + + if ( isInside ) { + + intersects.push( { + point, + pointOnLine, + distance: _ray.origin.distanceTo( point ), + object: lineSegments, + face: null, + faceIndex: i, + uv: null, + uv1: null, + } ); + + } + + } + +} + +function raycastScreenSpace( lineSegments, camera, intersects ) { + + const projectionMatrix = camera.projectionMatrix; + const matrixWorld = lineSegments.matrixWorld; + + const resolution = lineSegments._resolution; + + const geometry = lineSegments.geometry; + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const segmentCount = Math.min( geometry.instanceCount, instanceStart.count ); + + const near = - camera.near; + + // + + // pick a point 1 unit out along the ray to avoid the ray origin + // sitting at the camera origin which will cause "w" to be 0 when + // applying the projection matrix. + _ray.at( 1, _ssOrigin ); + + // ndc space [ - 1.0, 1.0 ] + _ssOrigin.w = 1; + _ssOrigin.applyMatrix4( camera.matrixWorldInverse ); + _ssOrigin.applyMatrix4( projectionMatrix ); + _ssOrigin.multiplyScalar( 1 / _ssOrigin.w ); + + // screen space + _ssOrigin.x *= resolution.x / 2; + _ssOrigin.y *= resolution.y / 2; + _ssOrigin.z = 0; + + _ssOrigin3.copy( _ssOrigin ); + + _mvMatrix.multiplyMatrices( camera.matrixWorldInverse, matrixWorld ); + + for ( let i = 0, l = segmentCount; i < l; i ++ ) { + + _start4.fromBufferAttribute( instanceStart, i ); + _end4.fromBufferAttribute( instanceEnd, i ); + + _start4.w = 1; + _end4.w = 1; + + // camera space + _start4.applyMatrix4( _mvMatrix ); + _end4.applyMatrix4( _mvMatrix ); + + // skip the segment if it's entirely behind the camera + const isBehindCameraNear = _start4.z > near && _end4.z > near; + if ( isBehindCameraNear ) { + + continue; + + } + + // trim the segment if it extends behind camera near + if ( _start4.z > near ) { + + const deltaDist = _start4.z - _end4.z; + const t = ( _start4.z - near ) / deltaDist; + _start4.lerp( _end4, t ); + + } else if ( _end4.z > near ) { + + const deltaDist = _end4.z - _start4.z; + const t = ( _end4.z - near ) / deltaDist; + _end4.lerp( _start4, t ); + + } + + // clip space + _start4.applyMatrix4( projectionMatrix ); + _end4.applyMatrix4( projectionMatrix ); + + // ndc space [ - 1.0, 1.0 ] + _start4.multiplyScalar( 1 / _start4.w ); + _end4.multiplyScalar( 1 / _end4.w ); + + // screen space + _start4.x *= resolution.x / 2; + _start4.y *= resolution.y / 2; + + _end4.x *= resolution.x / 2; + _end4.y *= resolution.y / 2; + + // create 2d segment + _line.start.copy( _start4 ); + _line.start.z = 0; + + _line.end.copy( _end4 ); + _line.end.z = 0; + + // get closest point on ray to segment + const param = _line.closestPointToPointParameter( _ssOrigin3, true ); + _line.at( param, _closestPoint ); + + // check if the intersection point is within clip space + const zPos = MathUtils.lerp( _start4.z, _end4.z, param ); + const isInClipSpace = zPos >= - 1 && zPos <= 1; + + const isInside = _ssOrigin3.distanceTo( _closestPoint ) < _lineWidth * 0.5; + + if ( isInClipSpace && isInside ) { + + _line.start.fromBufferAttribute( instanceStart, i ); + _line.end.fromBufferAttribute( instanceEnd, i ); + + _line.start.applyMatrix4( matrixWorld ); + _line.end.applyMatrix4( matrixWorld ); + + const pointOnLine = new Vector3(); + const point = new Vector3(); + + _ray.distanceSqToSegment( _line.start, _line.end, point, pointOnLine ); + + intersects.push( { + point: point, + pointOnLine: pointOnLine, + distance: _ray.origin.distanceTo( point ), + object: lineSegments, + face: null, + faceIndex: i, + uv: null, + uv1: null, + } ); + + } + + } + +} + +/** + * A series of lines drawn between pairs of vertices. + * + * This adds functionality beyond {@link LineSegments}, like arbitrary line width and changing width + * to be in world units. {@link Line2} extends this object, forming a polyline instead of individual + * segments. + * + * This module can only be used with {@link WebGPURenderer}. When using {@link WebGLRenderer}, + * import the class from `lines/LineSegments2.js`. + * + * @augments Mesh + * @three_import import { LineSegments2 } from 'three/addons/lines/webgpu/LineSegments2.js'; + */ +class LineSegments2 extends Mesh { + + /** + * Constructs a new wide line. + * + * @param {LineSegmentsGeometry} [geometry] - The line geometry. + * @param {Line2NodeMaterial} [material] - The line material. + */ + constructor( geometry = new LineSegmentsGeometry(), material = new Line2NodeMaterial( { color: Math.random() * 0xffffff } ) ) { + + super( geometry, material ); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isLineSegments2 = true; + + this.type = 'LineSegments2'; + + this._resolution = new Vector2(); + + } + + /** + * Computes an array of distance values which are necessary for rendering dashed lines. + * For each vertex in the geometry, the method calculates the cumulative length from the + * current point to the very beginning of the line. + * + * @return {LineSegments2} A reference to this instance. + */ + computeLineDistances() { + + // for backwards-compatibility, but could be a method of LineSegmentsGeometry... + + const geometry = this.geometry; + + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const lineDistances = new Float32Array( 2 * instanceStart.count ); + + for ( let i = 0, j = 0, l = instanceStart.count; i < l; i ++, j += 2 ) { + + _start.fromBufferAttribute( instanceStart, i ); + _end.fromBufferAttribute( instanceEnd, i ); + + lineDistances[ j ] = ( j === 0 ) ? 0 : lineDistances[ j - 1 ]; + lineDistances[ j + 1 ] = lineDistances[ j ] + _start.distanceTo( _end ); + + } + + const instanceDistanceBuffer = new InstancedInterleavedBuffer( lineDistances, 2, 1 ); // d0, d1 + + geometry.setAttribute( 'instanceDistanceStart', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 0 ) ); // d0 + geometry.setAttribute( 'instanceDistanceEnd', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 1 ) ); // d1 + + return this; + + } + + onBeforeRender( renderer ) { + + renderer.getViewport( _viewport ); + this._resolution.set( _viewport.z, _viewport.w ); + + } + + /** + * Computes intersection points between a casted ray and this instance. + * + * @param {Raycaster} raycaster - The raycaster. + * @param {Array} intersects - The target array that holds the intersection points. + */ + raycast( raycaster, intersects ) { + + const worldUnits = this.material.worldUnits; + const camera = raycaster.camera; + + if ( camera === null && ! worldUnits ) { + + console.error( 'LineSegments2: "Raycaster.camera" needs to be set in order to raycast against LineSegments2 while worldUnits is set to false.' ); + + } + + const threshold = ( raycaster.params.Line2 !== undefined ) ? raycaster.params.Line2.threshold || 0 : 0; + + _ray = raycaster.ray; + + const matrixWorld = this.matrixWorld; + const geometry = this.geometry; + const material = this.material; + + _lineWidth = material.linewidth + threshold; + + // check if we intersect the sphere bounds + if ( geometry.boundingSphere === null ) { + + geometry.computeBoundingSphere(); + + } + + _sphere.copy( geometry.boundingSphere ).applyMatrix4( matrixWorld ); + + // increase the sphere bounds by the worst case line screen space width + let sphereMargin; + if ( worldUnits ) { + + sphereMargin = _lineWidth * 0.5; + + } else { + + const distanceToSphere = Math.max( camera.near, _sphere.distanceToPoint( _ray.origin ) ); + sphereMargin = getWorldSpaceHalfWidth( camera, distanceToSphere, this._resolution ); + + } + + _sphere.radius += sphereMargin; + + if ( _ray.intersectsSphere( _sphere ) === false ) { + + return; + + } + + // check if we intersect the box bounds + if ( geometry.boundingBox === null ) { + + geometry.computeBoundingBox(); + + } + + _box.copy( geometry.boundingBox ).applyMatrix4( matrixWorld ); + + // increase the box bounds by the worst case line width + let boxMargin; + if ( worldUnits ) { + + boxMargin = _lineWidth * 0.5; + + } else { + + const distanceToBox = Math.max( camera.near, _box.distanceToPoint( _ray.origin ) ); + boxMargin = getWorldSpaceHalfWidth( camera, distanceToBox, this._resolution ); + + } + + _box.expandByScalar( boxMargin ); + + if ( _ray.intersectsBox( _box ) === false ) { + + return; + + } + + if ( worldUnits ) { + + raycastWorldUnits( this, intersects ); + + } else { + + raycastScreenSpace( this, camera, intersects ); + + } + + } + +} + +export { LineSegments2 }; diff --git a/node_modules/three/examples/jsm/lines/webgpu/Wireframe.js b/node_modules/three/examples/jsm/lines/webgpu/Wireframe.js new file mode 100644 index 0000000..3ecc6ec --- /dev/null +++ b/node_modules/three/examples/jsm/lines/webgpu/Wireframe.js @@ -0,0 +1,86 @@ +import { + InstancedInterleavedBuffer, + InterleavedBufferAttribute, + Line2NodeMaterial, + Mesh, + Vector3 +} from 'three/webgpu'; + +import { LineSegmentsGeometry } from '../LineSegmentsGeometry.js'; + +const _start = new Vector3(); +const _end = new Vector3(); + +/** + * A class for creating wireframes based on wide lines. + * + * This module can only be used with {@link WebGPURenderer}. When using {@link WebGLRenderer}, + * import the class from `lines/Wireframe.js`. + * + * @augments Mesh + * @three_import import { Wireframe } from 'three/addons/lines/webgpu/Wireframe.js'; + */ +class Wireframe extends Mesh { + + /** + * Constructs a new wireframe. + * + * @param {LineSegmentsGeometry} [geometry] - The line geometry. + * @param {Line2NodeMaterial} [material] - The line material. + */ + constructor( geometry = new LineSegmentsGeometry(), material = new Line2NodeMaterial( { color: Math.random() * 0xffffff } ) ) { + + super( geometry, material ); + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isWireframe = true; + + this.type = 'Wireframe'; + + } + + /** + * Computes an array of distance values which are necessary for rendering dashed lines. + * For each vertex in the geometry, the method calculates the cumulative length from the + * current point to the very beginning of the line. + * + * @return {Wireframe} A reference to this instance. + */ + computeLineDistances() { + + // for backwards-compatibility, but could be a method of LineSegmentsGeometry... + + const geometry = this.geometry; + + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const lineDistances = new Float32Array( 2 * instanceStart.count ); + + for ( let i = 0, j = 0, l = instanceStart.count; i < l; i ++, j += 2 ) { + + _start.fromBufferAttribute( instanceStart, i ); + _end.fromBufferAttribute( instanceEnd, i ); + + lineDistances[ j ] = ( j === 0 ) ? 0 : lineDistances[ j - 1 ]; + lineDistances[ j + 1 ] = lineDistances[ j ] + _start.distanceTo( _end ); + + } + + const instanceDistanceBuffer = new InstancedInterleavedBuffer( lineDistances, 2, 1 ); // d0, d1 + + geometry.setAttribute( 'instanceDistanceStart', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 0 ) ); // d0 + geometry.setAttribute( 'instanceDistanceEnd', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 1 ) ); // d1 + + return this; + + } + +} + +export { Wireframe }; diff --git a/node_modules/three/examples/jsm/loaders/3DMLoader.js b/node_modules/three/examples/jsm/loaders/3DMLoader.js new file mode 100644 index 0000000..08dcee5 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/3DMLoader.js @@ -0,0 +1,1835 @@ +import { + BufferGeometryLoader, + CanvasTexture, + ClampToEdgeWrapping, + Color, + DirectionalLight, + DoubleSide, + FileLoader, + LinearFilter, + Line, + LineBasicMaterial, + Loader, + Matrix4, + Mesh, + MeshPhysicalMaterial, + MeshStandardMaterial, + Object3D, + PointLight, + Points, + PointsMaterial, + RectAreaLight, + RepeatWrapping, + SpotLight, + Sprite, + SpriteMaterial, + TextureLoader +} from 'three'; + +import { EXRLoader } from '../loaders/EXRLoader.js'; + +const _taskCache = new WeakMap(); + +/** + * A loader for Rhinoceros 3D files and objects. + * + * Rhinoceros is a 3D modeler used to create, edit, analyze, document, render, + * animate, and translate NURBS curves, surfaces, breps, extrusions, point clouds, + * as well as polygon meshes and SubD objects. `rhino3dm.js` is compiled to WebAssembly + * from the open source geometry library `openNURBS`. The loader currently uses + * `rhino3dm.js 8.4.0`. + * + * ```js + * const loader = new Rhino3dmLoader(); + * loader.setLibraryPath( 'https://cdn.jsdelivr.net/npm/rhino3dm@8.0.1' ); + * + * const object = await loader.loadAsync( 'models/3dm/Rhino_Logo.3dm' ); + * scene.add( object ); + * ``` + * + * @augments Loader + * @three_import import { Rhino3dmLoader } from 'three/addons/loaders/3DMLoader.js'; + */ +class Rhino3dmLoader extends Loader { + + /** + * Constructs a new Rhino 3DM loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + // internals + + this.libraryPath = ''; + this.libraryPending = null; + this.libraryBinary = null; + this.libraryConfig = {}; + + this.url = ''; + + this.workerLimit = 4; + this.workerPool = []; + this.workerNextTaskID = 1; + this.workerSourceURL = ''; + this.workerConfig = {}; + + this.materials = []; + this.warnings = []; + + } + + /** + * Path to a folder containing the JS and WASM libraries. + * + * @param {string} path - The library path to set. + * @return {Rhino3dmLoader} A reference to this loader. + */ + setLibraryPath( path ) { + + this.libraryPath = path; + + return this; + + } + + /** + * Sets the maximum number of Web Workers to be used during decoding. + * A lower limit may be preferable if workers are also for other + * tasks in the application. + * + * @param {number} workerLimit - The worker limit. + * @return {Rhino3dmLoader} A reference to this loader. + */ + setWorkerLimit( workerLimit ) { + + this.workerLimit = workerLimit; + + return this; + + } + + /** + * Starts loading from the given URL and passes the loaded 3DM asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Object3D)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const loader = new FileLoader( this.manager ); + + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + + this.url = url; + + loader.load( url, ( buffer ) => { + + // Check for an existing task using this buffer. A transferred buffer cannot be transferred + // again from this thread. + if ( _taskCache.has( buffer ) ) { + + const cachedTask = _taskCache.get( buffer ); + + return cachedTask.promise.then( onLoad ).catch( onError ); + + } + + this.decodeObjects( buffer, url ) + .then( result => { + + result.userData.warnings = this.warnings; + onLoad( result ); + + } ) + .catch( e => onError( e ) ); + + }, onProgress, onError ); + + } + + /** + * Prints debug messages to the browser console. + */ + debug() { + + console.log( 'Task load: ', this.workerPool.map( ( worker ) => worker._taskLoad ) ); + + } + + /** + * Decodes the 3DM asset data with a Web Worker. + * + * @param {ArrayBuffer} buffer - The raw 3DM asset data as an array buffer. + * @param {string} url - The asset URL. + * @return {Promise} A Promise that resolved with the decoded 3D object. + */ + decodeObjects( buffer, url ) { + + let worker; + let taskID; + + const taskCost = buffer.byteLength; + + const objectPending = this._getWorker( taskCost ) + .then( ( _worker ) => { + + worker = _worker; + taskID = this.workerNextTaskID ++; + + return new Promise( ( resolve, reject ) => { + + worker._callbacks[ taskID ] = { resolve, reject }; + + worker.postMessage( { type: 'decode', id: taskID, buffer }, [ buffer ] ); + + // this.debug(); + + } ); + + } ) + .then( ( message ) => this._createGeometry( message.data ) ) + .catch( e => { + + throw e; + + } ); + + // Remove task from the task list. + // Note: replaced '.finally()' with '.catch().then()' block - iOS 11 support (#19416) + objectPending + .catch( () => true ) + .then( () => { + + if ( worker && taskID ) { + + this._releaseTask( worker, taskID ); + + //this.debug(); + + } + + } ); + + // Cache the task result. + _taskCache.set( buffer, { + + url: url, + promise: objectPending + + } ); + + return objectPending; + + } + + /** + * Parses the given 3DM data and passes the loaded 3DM asset + * to the `onLoad()` callback. + * + * @param {ArrayBuffer} data - The raw 3DM asset data as an array buffer. + * @param {function(Object3D)} onLoad - Executed when the loading process has been finished. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + parse( data, onLoad, onError ) { + + this.decodeObjects( data, '' ) + .then( result => { + + result.userData.warnings = this.warnings; + onLoad( result ); + + } ) + .catch( e => onError( e ) ); + + } + + _compareMaterials( material ) { + + const mat = {}; + mat.name = material.name; + mat.color = {}; + mat.color.r = material.color.r; + mat.color.g = material.color.g; + mat.color.b = material.color.b; + mat.type = material.type; + mat.vertexColors = material.vertexColors; + + const json = JSON.stringify( mat ); + + for ( let i = 0; i < this.materials.length; i ++ ) { + + const m = this.materials[ i ]; + const _mat = {}; + _mat.name = m.name; + _mat.color = {}; + _mat.color.r = m.color.r; + _mat.color.g = m.color.g; + _mat.color.b = m.color.b; + _mat.type = m.type; + _mat.vertexColors = m.vertexColors; + + if ( JSON.stringify( _mat ) === json ) { + + return m; + + } + + } + + this.materials.push( material ); + + return material; + + } + + _createMaterial( material, renderEnvironment ) { + + if ( material === undefined ) { + + return new MeshStandardMaterial( { + color: new Color( 1, 1, 1 ), + metalness: 0.8, + name: Loader.DEFAULT_MATERIAL_NAME, + side: DoubleSide + } ); + + } + + //console.log(material) + + const mat = new MeshPhysicalMaterial( { + + color: new Color( material.diffuseColor.r / 255.0, material.diffuseColor.g / 255.0, material.diffuseColor.b / 255.0 ), + emissive: new Color( material.emissionColor.r, material.emissionColor.g, material.emissionColor.b ), + flatShading: material.disableLighting, + ior: material.indexOfRefraction, + name: material.name, + reflectivity: material.reflectivity, + opacity: 1.0 - material.transparency, + side: DoubleSide, + specularColor: material.specularColor, + transparent: material.transparency > 0 ? true : false + + } ); + + mat.userData.id = material.id; + + if ( material.pbrSupported ) { + + const pbr = material.pbr; + + mat.anisotropy = pbr.anisotropic; + mat.anisotropyRotation = pbr.anisotropicRotation; + mat.color = new Color( pbr.baseColor.r, pbr.baseColor.g, pbr.baseColor.b ); + mat.clearcoat = pbr.clearcoat; + mat.clearcoatRoughness = pbr.clearcoatRoughness; + mat.metalness = pbr.metallic; + mat.transmission = 1 - pbr.opacity; + mat.roughness = pbr.roughness; + mat.sheen = pbr.sheen; + mat.specularIntensity = pbr.specular; + mat.thickness = pbr.subsurface; + + } + + if ( material.pbrSupported && material.pbr.opacity === 0 && material.transparency === 1 ) { + + //some compromises + + mat.opacity = 0.2; + mat.transmission = 1.00; + + } + + const textureLoader = new TextureLoader(); + + for ( let i = 0; i < material.textures.length; i ++ ) { + + const texture = material.textures[ i ]; + + if ( texture.image !== null ) { + + const map = textureLoader.load( texture.image ); + + //console.log(texture.type ) + + switch ( texture.type ) { + + case 'Bump': + + mat.bumpMap = map; + + break; + + case 'Diffuse': + + mat.map = map; + + break; + + case 'Emap': + + mat.envMap = map; + + break; + + case 'Opacity': + + mat.transmissionMap = map; + + break; + + case 'Transparency': + + mat.alphaMap = map; + mat.transparent = true; + + break; + + case 'PBR_Alpha': + + mat.alphaMap = map; + mat.transparent = true; + + break; + + case 'PBR_AmbientOcclusion': + + mat.aoMap = map; + + break; + + case 'PBR_Anisotropic': + + mat.anisotropyMap = map; + + break; + + case 'PBR_BaseColor': + + mat.map = map; + + break; + + case 'PBR_Clearcoat': + + mat.clearcoatMap = map; + + break; + + case 'PBR_ClearcoatBump': + + mat.clearcoatNormalMap = map; + + break; + + case 'PBR_ClearcoatRoughness': + + mat.clearcoatRoughnessMap = map; + + break; + + case 'PBR_Displacement': + + mat.displacementMap = map; + + break; + + case 'PBR_Emission': + + mat.emissiveMap = map; + + break; + + case 'PBR_Metallic': + + mat.metalnessMap = map; + + break; + + case 'PBR_Roughness': + + mat.roughnessMap = map; + + break; + + case 'PBR_Sheen': + + mat.sheenColorMap = map; + + break; + + case 'PBR_Specular': + + mat.specularColorMap = map; + + break; + + case 'PBR_Subsurface': + + mat.thicknessMap = map; + + break; + + default: + + this.warnings.push( { + message: `THREE.3DMLoader: No conversion exists for 3dm ${texture.type}.`, + type: 'no conversion' + } ); + + break; + + } + + map.wrapS = texture.wrapU === 0 ? RepeatWrapping : ClampToEdgeWrapping; + map.wrapT = texture.wrapV === 0 ? RepeatWrapping : ClampToEdgeWrapping; + + if ( texture.repeat ) { + + map.repeat.set( texture.repeat[ 0 ], texture.repeat[ 1 ] ); + + } + + } + + } + + if ( renderEnvironment ) { + + new EXRLoader().load( renderEnvironment.image, function ( texture ) { + + texture.mapping = THREE.EquirectangularReflectionMapping; + mat.envMap = texture; + + } ); + + } + + return mat; + + } + + _createGeometry( data ) { + + const object = new Object3D(); + const instanceDefinitionObjects = []; + const instanceDefinitions = []; + const instanceReferences = []; + + object.userData[ 'layers' ] = data.layers; + object.userData[ 'groups' ] = data.groups; + object.userData[ 'settings' ] = data.settings; + object.userData.settings[ 'renderSettings' ] = data.renderSettings; + object.userData[ 'objectType' ] = 'File3dm'; + object.userData[ 'materials' ] = null; + + object.name = this.url; + + let objects = data.objects; + const materials = data.materials; + + for ( let i = 0; i < objects.length; i ++ ) { + + const obj = objects[ i ]; + const attributes = obj.attributes; + + switch ( obj.objectType ) { + + case 'InstanceDefinition': + + instanceDefinitions.push( obj ); + + break; + + case 'InstanceReference': + + instanceReferences.push( obj ); + + break; + + default: + + let matId = null; + + switch ( attributes.materialSource.name ) { + + case 'ObjectMaterialSource_MaterialFromLayer': + //check layer index + if ( attributes.layerIndex >= 0 ) { + + matId = data.layers[ attributes.layerIndex ].renderMaterialIndex; + + } + + break; + + case 'ObjectMaterialSource_MaterialFromObject': + + if ( attributes.materialIndex >= 0 ) { + + matId = attributes.materialIndex; + + } + + break; + + } + + let material = null; + + if ( matId >= 0 ) { + + const rMaterial = materials[ matId ]; + material = this._createMaterial( rMaterial, data.renderEnvironment ); + + + } + + const _object = this._createObject( obj, material ); + + if ( _object === undefined ) { + + continue; + + } + + const layer = data.layers[ attributes.layerIndex ]; + + _object.visible = layer ? data.layers[ attributes.layerIndex ].visible : true; + + if ( attributes.isInstanceDefinitionObject ) { + + instanceDefinitionObjects.push( _object ); + + } else { + + object.add( _object ); + + } + + break; + + } + + } + + for ( let i = 0; i < instanceDefinitions.length; i ++ ) { + + const iDef = instanceDefinitions[ i ]; + + objects = []; + + for ( let j = 0; j < iDef.attributes.objectIds.length; j ++ ) { + + const objId = iDef.attributes.objectIds[ j ]; + + for ( let p = 0; p < instanceDefinitionObjects.length; p ++ ) { + + const idoId = instanceDefinitionObjects[ p ].userData.attributes.id; + + if ( objId === idoId ) { + + objects.push( instanceDefinitionObjects[ p ] ); + + } + + } + + } + + // Currently clones geometry and does not take advantage of instancing + + for ( let j = 0; j < instanceReferences.length; j ++ ) { + + const iRef = instanceReferences[ j ]; + + if ( iRef.geometry.parentIdefId === iDef.attributes.id ) { + + const iRefObject = new Object3D(); + const xf = iRef.geometry.xform.array; + + const matrix = new Matrix4(); + matrix.set( ...xf ); + + iRefObject.applyMatrix4( matrix ); + + for ( let p = 0; p < objects.length; p ++ ) { + + iRefObject.add( objects[ p ].clone( true ) ); + + } + + object.add( iRefObject ); + + } + + } + + } + + object.userData[ 'materials' ] = this.materials; + object.name = ''; + return object; + + } + + _createObject( obj, mat ) { + + const loader = new BufferGeometryLoader(); + + const attributes = obj.attributes; + + let geometry, material, _color, color; + + switch ( obj.objectType ) { + + case 'Point': + case 'PointSet': + + geometry = loader.parse( obj.geometry ); + + if ( geometry.attributes.hasOwnProperty( 'color' ) ) { + + material = new PointsMaterial( { vertexColors: true, sizeAttenuation: false, size: 2 } ); + + } else { + + _color = attributes.drawColor; + color = new Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 ); + material = new PointsMaterial( { color: color, sizeAttenuation: false, size: 2 } ); + + } + + material = this._compareMaterials( material ); + + const points = new Points( geometry, material ); + points.userData[ 'attributes' ] = attributes; + points.userData[ 'objectType' ] = obj.objectType; + + if ( attributes.name ) { + + points.name = attributes.name; + + } + + return points; + + case 'Mesh': + case 'Extrusion': + case 'SubD': + case 'Brep': + + if ( obj.geometry === null ) return; + + geometry = loader.parse( obj.geometry ); + + + if ( mat === null ) { + + mat = this._createMaterial(); + + } + + + if ( geometry.attributes.hasOwnProperty( 'color' ) ) { + + mat.vertexColors = true; + + } + + mat = this._compareMaterials( mat ); + + const mesh = new Mesh( geometry, mat ); + mesh.castShadow = attributes.castsShadows; + mesh.receiveShadow = attributes.receivesShadows; + mesh.userData[ 'attributes' ] = attributes; + mesh.userData[ 'objectType' ] = obj.objectType; + + if ( attributes.name ) { + + mesh.name = attributes.name; + + } + + return mesh; + + case 'Curve': + + geometry = loader.parse( obj.geometry ); + + _color = attributes.drawColor; + color = new Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 ); + + material = new LineBasicMaterial( { color: color } ); + material = this._compareMaterials( material ); + + const lines = new Line( geometry, material ); + lines.userData[ 'attributes' ] = attributes; + lines.userData[ 'objectType' ] = obj.objectType; + + if ( attributes.name ) { + + lines.name = attributes.name; + + } + + return lines; + + case 'TextDot': + + geometry = obj.geometry; + + const ctx = document.createElement( 'canvas' ).getContext( '2d' ); + const font = `${geometry.fontHeight}px ${geometry.fontFace}`; + ctx.font = font; + const width = ctx.measureText( geometry.text ).width + 10; + const height = geometry.fontHeight + 10; + + const r = window.devicePixelRatio; + + ctx.canvas.width = width * r; + ctx.canvas.height = height * r; + ctx.canvas.style.width = width + 'px'; + ctx.canvas.style.height = height + 'px'; + ctx.setTransform( r, 0, 0, r, 0, 0 ); + + ctx.font = font; + ctx.textBaseline = 'middle'; + ctx.textAlign = 'center'; + color = attributes.drawColor; + ctx.fillStyle = `rgba(${color.r},${color.g},${color.b},${color.a})`; + ctx.fillRect( 0, 0, width, height ); + ctx.fillStyle = 'white'; + ctx.fillText( geometry.text, width / 2, height / 2 ); + + const texture = new CanvasTexture( ctx.canvas ); + texture.minFilter = LinearFilter; + texture.generateMipmaps = false; + texture.wrapS = ClampToEdgeWrapping; + texture.wrapT = ClampToEdgeWrapping; + + material = new SpriteMaterial( { map: texture, depthTest: false } ); + const sprite = new Sprite( material ); + sprite.position.set( geometry.point[ 0 ], geometry.point[ 1 ], geometry.point[ 2 ] ); + sprite.scale.set( width / 10, height / 10, 1.0 ); + + sprite.userData[ 'attributes' ] = attributes; + sprite.userData[ 'objectType' ] = obj.objectType; + + if ( attributes.name ) { + + sprite.name = attributes.name; + + } + + return sprite; + + case 'Light': + + geometry = obj.geometry; + + let light; + + switch ( geometry.lightStyle.name ) { + + case 'LightStyle_WorldPoint': + + light = new PointLight(); + light.castShadow = attributes.castsShadows; + light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] ); + light.shadow.normalBias = 0.1; + + break; + + case 'LightStyle_WorldSpot': + + light = new SpotLight(); + light.castShadow = attributes.castsShadows; + light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] ); + light.target.position.set( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] ); + light.angle = geometry.spotAngleRadians; + light.shadow.normalBias = 0.1; + + break; + + case 'LightStyle_WorldRectangular': + + light = new RectAreaLight(); + const width = Math.abs( geometry.width[ 2 ] ); + const height = Math.abs( geometry.length[ 0 ] ); + light.position.set( geometry.location[ 0 ] - ( height / 2 ), geometry.location[ 1 ], geometry.location[ 2 ] - ( width / 2 ) ); + light.height = height; + light.width = width; + light.lookAt( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] ); + + break; + + case 'LightStyle_WorldDirectional': + + light = new DirectionalLight(); + light.castShadow = attributes.castsShadows; + light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] ); + light.target.position.set( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] ); + light.shadow.normalBias = 0.1; + + break; + + case 'LightStyle_WorldLinear': + // no conversion exists, warning has already been printed to the console + break; + + default: + break; + + } + + if ( light ) { + + light.intensity = geometry.intensity; + _color = geometry.diffuse; + color = new Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 ); + light.color = color; + light.userData[ 'attributes' ] = attributes; + light.userData[ 'objectType' ] = obj.objectType; + + } + + return light; + + } + + } + + _initLibrary() { + + if ( ! this.libraryPending ) { + + // Load rhino3dm wrapper. + const jsLoader = new FileLoader( this.manager ); + jsLoader.setPath( this.libraryPath ); + const jsContent = new Promise( ( resolve, reject ) => { + + jsLoader.load( 'rhino3dm.js', resolve, undefined, reject ); + + } ); + + // Load rhino3dm WASM binary. + const binaryLoader = new FileLoader( this.manager ); + binaryLoader.setPath( this.libraryPath ); + binaryLoader.setResponseType( 'arraybuffer' ); + const binaryContent = new Promise( ( resolve, reject ) => { + + binaryLoader.load( 'rhino3dm.wasm', resolve, undefined, reject ); + + } ); + + this.libraryPending = Promise.all( [ jsContent, binaryContent ] ) + .then( ( [ jsContent, binaryContent ] ) => { + + //this.libraryBinary = binaryContent; + this.libraryConfig.wasmBinary = binaryContent; + + const fn = Rhino3dmWorker.toString(); + + const body = [ + '/* rhino3dm.js */', + jsContent, + '/* worker */', + fn.substring( fn.indexOf( '{' ) + 1, fn.lastIndexOf( '}' ) ) + ].join( '\n' ); + + this.workerSourceURL = URL.createObjectURL( new Blob( [ body ] ) ); + + } ); + + } + + return this.libraryPending; + + } + + _getWorker( taskCost ) { + + return this._initLibrary().then( () => { + + if ( this.workerPool.length < this.workerLimit ) { + + const worker = new Worker( this.workerSourceURL ); + + worker._callbacks = {}; + worker._taskCosts = {}; + worker._taskLoad = 0; + + worker.postMessage( { + type: 'init', + libraryConfig: this.libraryConfig + } ); + + worker.onmessage = e => { + + const message = e.data; + + switch ( message.type ) { + + case 'warning': + this.warnings.push( message.data ); + console.warn( message.data ); + break; + + case 'decode': + worker._callbacks[ message.id ].resolve( message ); + break; + + case 'error': + worker._callbacks[ message.id ].reject( message ); + break; + + default: + console.error( 'THREE.Rhino3dmLoader: Unexpected message, "' + message.type + '"' ); + + } + + }; + + this.workerPool.push( worker ); + + } else { + + this.workerPool.sort( function ( a, b ) { + + return a._taskLoad > b._taskLoad ? - 1 : 1; + + } ); + + } + + const worker = this.workerPool[ this.workerPool.length - 1 ]; + + worker._taskLoad += taskCost; + + return worker; + + } ); + + } + + _releaseTask( worker, taskID ) { + + worker._taskLoad -= worker._taskCosts[ taskID ]; + delete worker._callbacks[ taskID ]; + delete worker._taskCosts[ taskID ]; + + } + + /** + * Frees internal resources. This method should be called + * when the loader is no longer required. + */ + dispose() { + + for ( let i = 0; i < this.workerPool.length; ++ i ) { + + this.workerPool[ i ].terminate(); + + } + + this.workerPool.length = 0; + + } + +} + +/* WEB WORKER */ + +function Rhino3dmWorker() { + + let libraryPending; + let libraryConfig; + let rhino; + let taskID; + + onmessage = function ( e ) { + + const message = e.data; + + switch ( message.type ) { + + case 'init': + + libraryConfig = message.libraryConfig; + const wasmBinary = libraryConfig.wasmBinary; + let RhinoModule; + libraryPending = new Promise( function ( resolve ) { + + /* Like Basis Loader */ + RhinoModule = { wasmBinary, onRuntimeInitialized: resolve }; + + rhino3dm( RhinoModule ); // eslint-disable-line no-undef + + } ).then( () => { + + rhino = RhinoModule; + + } ); + + break; + + case 'decode': + + taskID = message.id; + const buffer = message.buffer; + libraryPending.then( () => { + + try { + + const data = decodeObjects( rhino, buffer ); + self.postMessage( { type: 'decode', id: message.id, data } ); + + } catch ( error ) { + + self.postMessage( { type: 'error', id: message.id, error } ); + + } + + } ); + + break; + + } + + }; + + function decodeObjects( rhino, buffer ) { + + const arr = new Uint8Array( buffer ); + const doc = rhino.File3dm.fromByteArray( arr ); + + const objects = []; + const materials = []; + const layers = []; + const views = []; + const namedViews = []; + const groups = []; + const strings = []; + + //Handle objects + + const objs = doc.objects(); + const cnt = objs.count; + + for ( let i = 0; i < cnt; i ++ ) { + + const _object = objs.get( i ); + + const object = extractObjectData( _object, doc ); + + _object.delete(); + + if ( object ) { + + objects.push( object ); + + } + + } + + // Handle instance definitions + // console.log( `Instance Definitions Count: ${doc.instanceDefinitions().count()}` ); + + for ( let i = 0; i < doc.instanceDefinitions().count; i ++ ) { + + const idef = doc.instanceDefinitions().get( i ); + const idefAttributes = extractProperties( idef ); + idefAttributes.objectIds = idef.getObjectIds(); + + objects.push( { geometry: null, attributes: idefAttributes, objectType: 'InstanceDefinition' } ); + + } + + // Handle materials + + const textureTypes = [ + // rhino.TextureType.Bitmap, + rhino.TextureType.Diffuse, + rhino.TextureType.Bump, + rhino.TextureType.Transparency, + rhino.TextureType.Opacity, + rhino.TextureType.Emap + ]; + + const pbrTextureTypes = [ + rhino.TextureType.PBR_BaseColor, + rhino.TextureType.PBR_Subsurface, + rhino.TextureType.PBR_SubsurfaceScattering, + rhino.TextureType.PBR_SubsurfaceScatteringRadius, + rhino.TextureType.PBR_Metallic, + rhino.TextureType.PBR_Specular, + rhino.TextureType.PBR_SpecularTint, + rhino.TextureType.PBR_Roughness, + rhino.TextureType.PBR_Anisotropic, + rhino.TextureType.PBR_Anisotropic_Rotation, + rhino.TextureType.PBR_Sheen, + rhino.TextureType.PBR_SheenTint, + rhino.TextureType.PBR_Clearcoat, + rhino.TextureType.PBR_ClearcoatBump, + rhino.TextureType.PBR_ClearcoatRoughness, + rhino.TextureType.PBR_OpacityIor, + rhino.TextureType.PBR_OpacityRoughness, + rhino.TextureType.PBR_Emission, + rhino.TextureType.PBR_AmbientOcclusion, + rhino.TextureType.PBR_Displacement + ]; + + for ( let i = 0; i < doc.materials().count; i ++ ) { + + const _material = doc.materials().get( i ); + + const material = extractProperties( _material ); + + const textures = []; + + textures.push( ...extractTextures( _material, textureTypes, doc ) ); + + material.pbrSupported = _material.physicallyBased().supported; + + if ( material.pbrSupported ) { + + textures.push( ...extractTextures( _material, pbrTextureTypes, doc ) ); + material.pbr = extractProperties( _material.physicallyBased() ); + + } + + material.textures = textures; + + materials.push( material ); + + _material.delete(); + + } + + // Handle layers + + for ( let i = 0; i < doc.layers().count; i ++ ) { + + const _layer = doc.layers().get( i ); + const layer = extractProperties( _layer ); + + layers.push( layer ); + + _layer.delete(); + + } + + // Handle views + + for ( let i = 0; i < doc.views().count; i ++ ) { + + const _view = doc.views().get( i ); + const view = extractProperties( _view ); + + views.push( view ); + + _view.delete(); + + } + + // Handle named views + + for ( let i = 0; i < doc.namedViews().count; i ++ ) { + + const _namedView = doc.namedViews().get( i ); + const namedView = extractProperties( _namedView ); + + namedViews.push( namedView ); + + _namedView.delete(); + + } + + // Handle groups + + for ( let i = 0; i < doc.groups().count; i ++ ) { + + const _group = doc.groups().get( i ); + const group = extractProperties( _group ); + + groups.push( group ); + + _group.delete(); + + } + + // Handle settings + + const settings = extractProperties( doc.settings() ); + + //TODO: Handle other document stuff like dimstyles, instance definitions, bitmaps etc. + + // Handle dimstyles + // console.log( `Dimstyle Count: ${doc.dimstyles().count()}` ); + + // Handle bitmaps + // console.log( `Bitmap Count: ${doc.bitmaps().count()}` ); + + // Handle strings + // console.log( `Document Strings Count: ${doc.strings().count()}` ); + // Note: doc.strings().documentUserTextCount() counts any doc.strings defined in a section + // console.log( `Document User Text Count: ${doc.strings().documentUserTextCount()}` ); + + const strings_count = doc.strings().count; + + for ( let i = 0; i < strings_count; i ++ ) { + + strings.push( doc.strings().get( i ) ); + + } + + // Handle Render Environments for Material Environment + + // get the id of the active render environment skylight, which we'll use for environment texture + const reflectionId = doc.settings().renderSettings().renderEnvironments.reflectionId; + + const rc = doc.renderContent(); + + let renderEnvironment = null; + + for ( let i = 0; i < rc.count; i ++ ) { + + const content = rc.get( i ); + + switch ( content.kind ) { + + case 'environment': + + const id = content.id; + + // there could be multiple render environments in a 3dm file + if ( id !== reflectionId ) break; + + const renderTexture = content.findChild( 'texture' ); + const fileName = renderTexture.fileName; + + for ( let j = 0; j < doc.embeddedFiles().count; j ++ ) { + + const _fileName = doc.embeddedFiles().get( j ).fileName; + + if ( fileName === _fileName ) { + + const background = doc.getEmbeddedFileAsBase64( fileName ); + const backgroundImage = 'data:image/png;base64,' + background; + renderEnvironment = { type: 'renderEnvironment', image: backgroundImage, name: fileName }; + + } + + } + + break; + + } + + } + + // Handle Render Settings + + const renderSettings = { + ambientLight: doc.settings().renderSettings().ambientLight, + backgroundColorTop: doc.settings().renderSettings().backgroundColorTop, + backgroundColorBottom: doc.settings().renderSettings().backgroundColorBottom, + useHiddenLights: doc.settings().renderSettings().useHiddenLights, + depthCue: doc.settings().renderSettings().depthCue, + flatShade: doc.settings().renderSettings().flatShade, + renderBackFaces: doc.settings().renderSettings().renderBackFaces, + renderPoints: doc.settings().renderSettings().renderPoints, + renderCurves: doc.settings().renderSettings().renderCurves, + renderIsoParams: doc.settings().renderSettings().renderIsoParams, + renderMeshEdges: doc.settings().renderSettings().renderMeshEdges, + renderAnnotations: doc.settings().renderSettings().renderAnnotations, + useViewportSize: doc.settings().renderSettings().useViewportSize, + scaleBackgroundToFit: doc.settings().renderSettings().scaleBackgroundToFit, + transparentBackground: doc.settings().renderSettings().transparentBackground, + imageDpi: doc.settings().renderSettings().imageDpi, + shadowMapLevel: doc.settings().renderSettings().shadowMapLevel, + namedView: doc.settings().renderSettings().namedView, + snapShot: doc.settings().renderSettings().snapShot, + specificViewport: doc.settings().renderSettings().specificViewport, + groundPlane: extractProperties( doc.settings().renderSettings().groundPlane ), + safeFrame: extractProperties( doc.settings().renderSettings().safeFrame ), + dithering: extractProperties( doc.settings().renderSettings().dithering ), + skylight: extractProperties( doc.settings().renderSettings().skylight ), + linearWorkflow: extractProperties( doc.settings().renderSettings().linearWorkflow ), + renderChannels: extractProperties( doc.settings().renderSettings().renderChannels ), + sun: extractProperties( doc.settings().renderSettings().sun ), + renderEnvironments: extractProperties( doc.settings().renderSettings().renderEnvironments ), + postEffects: extractProperties( doc.settings().renderSettings().postEffects ), + + }; + + doc.delete(); + + return { objects, materials, layers, views, namedViews, groups, strings, settings, renderSettings, renderEnvironment }; + + } + + function extractTextures( m, tTypes, d ) { + + const textures = []; + + for ( let i = 0; i < tTypes.length; i ++ ) { + + const _texture = m.getTexture( tTypes[ i ] ); + if ( _texture ) { + + let textureType = tTypes[ i ].constructor.name; + textureType = textureType.substring( 12, textureType.length ); + const texture = extractTextureData( _texture, textureType, d ); + textures.push( texture ); + _texture.delete(); + + } + + } + + return textures; + + } + + function extractTextureData( t, tType, d ) { + + const texture = { type: tType }; + + const image = d.getEmbeddedFileAsBase64( t.fileName ); + + texture.wrapU = t.wrapU; + texture.wrapV = t.wrapV; + texture.wrapW = t.wrapW; + const uvw = t.uvwTransform.toFloatArray( true ); + + texture.repeat = [ uvw[ 0 ], uvw[ 5 ] ]; + + if ( image ) { + + texture.image = 'data:image/png;base64,' + image; + + } else { + + self.postMessage( { type: 'warning', id: taskID, data: { + message: `THREE.3DMLoader: Image for ${tType} texture not embedded in file.`, + type: 'missing resource' + } + + } ); + + texture.image = null; + + } + + return texture; + + } + + function extractObjectData( object, doc ) { + + const _geometry = object.geometry(); + const _attributes = object.attributes(); + let objectType = _geometry.objectType; + let geometry, attributes, position, data, mesh; + + // skip instance definition objects + //if( _attributes.isInstanceDefinitionObject ) { continue; } + + // TODO: handle other geometry types + switch ( objectType ) { + + case rhino.ObjectType.Curve: + + const pts = curveToPoints( _geometry, 100 ); + + position = {}; + attributes = {}; + data = {}; + + position.itemSize = 3; + position.type = 'Float32Array'; + position.array = []; + + for ( let j = 0; j < pts.length; j ++ ) { + + position.array.push( pts[ j ][ 0 ] ); + position.array.push( pts[ j ][ 1 ] ); + position.array.push( pts[ j ][ 2 ] ); + + } + + attributes.position = position; + data.attributes = attributes; + + geometry = { data }; + + break; + + case rhino.ObjectType.Point: + + const pt = _geometry.location; + + position = {}; + const color = {}; + attributes = {}; + data = {}; + + position.itemSize = 3; + position.type = 'Float32Array'; + position.array = [ pt[ 0 ], pt[ 1 ], pt[ 2 ] ]; + + const _color = _attributes.drawColor( doc ); + + color.itemSize = 3; + color.type = 'Float32Array'; + color.array = [ _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 ]; + + attributes.position = position; + attributes.color = color; + data.attributes = attributes; + + geometry = { data }; + + break; + + case rhino.ObjectType.PointSet: + case rhino.ObjectType.Mesh: + + geometry = _geometry.toThreejsJSON(); + + break; + + case rhino.ObjectType.Brep: + + const faces = _geometry.faces(); + mesh = new rhino.Mesh(); + + for ( let faceIndex = 0; faceIndex < faces.count; faceIndex ++ ) { + + const face = faces.get( faceIndex ); + const _mesh = face.getMesh( rhino.MeshType.Any ); + + if ( _mesh ) { + + mesh.append( _mesh ); + _mesh.delete(); + + } + + face.delete(); + + } + + if ( mesh.faces().count > 0 ) { + + mesh.compact(); + geometry = mesh.toThreejsJSON(); + faces.delete(); + + } + + mesh.delete(); + + break; + + case rhino.ObjectType.Extrusion: + + mesh = _geometry.getMesh( rhino.MeshType.Any ); + + if ( mesh ) { + + geometry = mesh.toThreejsJSON(); + mesh.delete(); + + } + + break; + + case rhino.ObjectType.TextDot: + + geometry = extractProperties( _geometry ); + + break; + + case rhino.ObjectType.Light: + + geometry = extractProperties( _geometry ); + + if ( geometry.lightStyle.name === 'LightStyle_WorldLinear' ) { + + self.postMessage( { type: 'warning', id: taskID, data: { + message: `THREE.3DMLoader: No conversion exists for ${objectType.constructor.name} ${geometry.lightStyle.name}`, + type: 'no conversion', + guid: _attributes.id + } + + } ); + + } + + break; + + case rhino.ObjectType.InstanceReference: + + geometry = extractProperties( _geometry ); + geometry.xform = extractProperties( _geometry.xform ); + geometry.xform.array = _geometry.xform.toFloatArray( true ); + + break; + + case rhino.ObjectType.SubD: + + // TODO: precalculate resulting vertices and faces and warn on excessive results + _geometry.subdivide( 3 ); + mesh = rhino.Mesh.createFromSubDControlNet( _geometry, false ); + if ( mesh ) { + + geometry = mesh.toThreejsJSON(); + mesh.delete(); + + } + + break; + + /* + case rhino.ObjectType.Annotation: + case rhino.ObjectType.Hatch: + case rhino.ObjectType.ClipPlane: + */ + + default: + + self.postMessage( { type: 'warning', id: taskID, data: { + message: `THREE.3DMLoader: Conversion not implemented for ${objectType.constructor.name}`, + type: 'not implemented', + guid: _attributes.id + } + + } ); + + break; + + } + + if ( geometry ) { + + attributes = extractProperties( _attributes ); + attributes.geometry = extractProperties( _geometry ); + + if ( _attributes.groupCount > 0 ) { + + attributes.groupIds = _attributes.getGroupList(); + + } + + if ( _attributes.userStringCount > 0 ) { + + attributes.userStrings = _attributes.getUserStrings(); + + } + + if ( _geometry.userStringCount > 0 ) { + + attributes.geometry.userStrings = _geometry.getUserStrings(); + + } + + if ( _attributes.decals().count > 0 ) { + + self.postMessage( { type: 'warning', id: taskID, data: { + message: 'THREE.3DMLoader: No conversion exists for the decals associated with this object.', + type: 'no conversion', + guid: _attributes.id + } + + } ); + + } + + attributes.drawColor = _attributes.drawColor( doc ); + + objectType = objectType.constructor.name; + objectType = objectType.substring( 11, objectType.length ); + + return { geometry, attributes, objectType }; + + } else { + + self.postMessage( { type: 'warning', id: taskID, data: { + message: `THREE.3DMLoader: ${objectType.constructor.name} has no associated mesh geometry.`, + type: 'missing mesh', + guid: _attributes.id + } + + } ); + + } + + } + + function extractProperties( object ) { + + const result = {}; + + for ( const property in object ) { + + const value = object[ property ]; + + if ( typeof value !== 'function' ) { + + if ( typeof value === 'object' && value !== null && value.hasOwnProperty( 'constructor' ) ) { + + result[ property ] = { name: value.constructor.name, value: value.value }; + + } else if ( typeof value === 'object' && value !== null ) { + + result[ property ] = extractProperties( value ); + + } else { + + result[ property ] = value; + + } + + } else { + + // these are functions that could be called to extract more data. + //console.log( `${property}: ${object[ property ].constructor.name}` ); + + } + + } + + return result; + + } + + function curveToPoints( curve, pointLimit ) { + + let pointCount = pointLimit; + let rc = []; + const ts = []; + + if ( curve instanceof rhino.LineCurve ) { + + return [ curve.pointAtStart, curve.pointAtEnd ]; + + } + + if ( curve instanceof rhino.PolylineCurve ) { + + pointCount = curve.pointCount; + for ( let i = 0; i < pointCount; i ++ ) { + + rc.push( curve.point( i ) ); + + } + + return rc; + + } + + if ( curve instanceof rhino.PolyCurve ) { + + const segmentCount = curve.segmentCount; + + for ( let i = 0; i < segmentCount; i ++ ) { + + const segment = curve.segmentCurve( i ); + const segmentArray = curveToPoints( segment, pointCount ); + rc = rc.concat( segmentArray ); + segment.delete(); + + } + + return rc; + + } + + if ( curve instanceof rhino.ArcCurve ) { + + pointCount = Math.floor( curve.angleDegrees / 5 ); + pointCount = pointCount < 2 ? 2 : pointCount; + // alternative to this hardcoded version: https://stackoverflow.com/a/18499923/2179399 + + } + + if ( curve instanceof rhino.NurbsCurve && curve.degree === 1 ) { + + const pLine = curve.tryGetPolyline(); + + for ( let i = 0; i < pLine.count; i ++ ) { + + rc.push( pLine.get( i ) ); + + } + + pLine.delete(); + + return rc; + + } + + const domain = curve.domain; + const divisions = pointCount - 1.0; + + for ( let j = 0; j < pointCount; j ++ ) { + + const t = domain[ 0 ] + ( j / divisions ) * ( domain[ 1 ] - domain[ 0 ] ); + + if ( t === domain[ 0 ] || t === domain[ 1 ] ) { + + ts.push( t ); + continue; + + } + + const tan = curve.tangentAt( t ); + const prevTan = curve.tangentAt( ts.slice( - 1 )[ 0 ] ); + + // Duplicated from THREE.Vector3 + // How to pass imports to worker? + + const tS = tan[ 0 ] * tan[ 0 ] + tan[ 1 ] * tan[ 1 ] + tan[ 2 ] * tan[ 2 ]; + const ptS = prevTan[ 0 ] * prevTan[ 0 ] + prevTan[ 1 ] * prevTan[ 1 ] + prevTan[ 2 ] * prevTan[ 2 ]; + + const denominator = Math.sqrt( tS * ptS ); + + let angle; + + if ( denominator === 0 ) { + + angle = Math.PI / 2; + + } else { + + const theta = ( tan.x * prevTan.x + tan.y * prevTan.y + tan.z * prevTan.z ) / denominator; + angle = Math.acos( Math.max( - 1, Math.min( 1, theta ) ) ); + + } + + if ( angle < 0.1 ) continue; + + ts.push( t ); + + } + + rc = ts.map( t => curve.pointAt( t ) ); + return rc; + + } + +} + +export { Rhino3dmLoader }; diff --git a/node_modules/three/examples/jsm/loaders/3MFLoader.js b/node_modules/three/examples/jsm/loaders/3MFLoader.js new file mode 100644 index 0000000..52879d9 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/3MFLoader.js @@ -0,0 +1,1621 @@ +import { + BufferAttribute, + BufferGeometry, + ClampToEdgeWrapping, + Color, + FileLoader, + Float32BufferAttribute, + Group, + LinearFilter, + LinearMipmapLinearFilter, + Loader, + Matrix4, + Mesh, + MeshPhongMaterial, + MeshStandardMaterial, + MirroredRepeatWrapping, + NearestFilter, + RepeatWrapping, + TextureLoader, + SRGBColorSpace +} from 'three'; +import * as fflate from '../libs/fflate.module.js'; + +const COLOR_SPACE_3MF = SRGBColorSpace; + +/** + * A loader for the [3D Manufacturing Format (3MF)](https://3mf.io/specification/) format. + * + * The following features from the core specification are supported: + * + * - 3D Models + * - Object Resources (Meshes and Components) + * - Material Resources (Base Materials) + * + * 3MF Materials and Properties Extension are only partially supported. + * + * - Texture 2D + * - Texture 2D Groups + * - Color Groups (Vertex Colors) + * - Metallic Display Properties (PBR) + * + * ```js + * const loader = new ThreeMFLoader(); + * + * const object = await loader.loadAsync( './models/3mf/truck.3mf' ); + * object.rotation.set( - Math.PI / 2, 0, 0 ); // z-up conversion + * scene.add( object ); + * ``` + * + * @augments Loader + * @three_import import { ThreeMFLoader } from 'three/addons/loaders/3MFLoader.js'; + */ +class ThreeMFLoader extends Loader { + + /** + * Constructs a new 3MF loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * An array of available extensions. + * + * @type {Array} + */ + this.availableExtensions = []; + + } + + /** + * Starts loading from the given URL and passes the loaded 3MF asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Group)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( buffer ) { + + try { + + onLoad( scope.parse( buffer ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given 3MF data and returns the resulting group. + * + * @param {ArrayBuffer} data - The raw 3MF asset data as an array buffer. + * @return {Group} A group representing the parsed asset. + */ + parse( data ) { + + const scope = this; + const textureLoader = new TextureLoader( this.manager ); + + function loadDocument( data ) { + + let zip = null; + let file = null; + + let relsName; + let modelRelsName; + const modelPartNames = []; + const texturesPartNames = []; + + let modelRels; + const modelParts = {}; + const printTicketParts = {}; + const texturesParts = {}; + + const textDecoder = new TextDecoder(); + + try { + + zip = fflate.unzipSync( new Uint8Array( data ) ); + + } catch ( e ) { + + if ( e instanceof ReferenceError ) { + + console.error( 'THREE.3MFLoader: fflate missing and file is compressed.' ); + return null; + + } + + } + + let rootModelFile = null; + + for ( file in zip ) { + + if ( file.match( /\_rels\/.rels$/ ) ) { + + relsName = file; + + } else if ( file.match( /3D\/_rels\/.*\.model\.rels$/ ) ) { + + modelRelsName = file; + + } else if ( file.match( /^3D\/[^\/]*\.model$/ ) ) { + + rootModelFile = file; + + } else if ( file.match( /^3D\/.*\/.*\.model$/ ) ) { + + modelPartNames.push( file ); // sub models + + } else if ( file.match( /^3D\/Textures?\/.*/ ) ) { + + texturesPartNames.push( file ); + + } + + } + + modelPartNames.push( rootModelFile ); // push root model at the end so it is processed after the sub models + + if ( relsName === undefined ) throw new Error( 'THREE.ThreeMFLoader: Cannot find relationship file `rels` in 3MF archive.' ); + + // + + const relsView = zip[ relsName ]; + const relsFileText = textDecoder.decode( relsView ); + const rels = parseRelsXml( relsFileText ); + + // + + if ( modelRelsName ) { + + const relsView = zip[ modelRelsName ]; + const relsFileText = textDecoder.decode( relsView ); + modelRels = parseRelsXml( relsFileText ); + + } + + // + + for ( let i = 0; i < modelPartNames.length; i ++ ) { + + const modelPart = modelPartNames[ i ]; + const view = zip[ modelPart ]; + + const fileText = textDecoder.decode( view ); + const xmlData = new DOMParser().parseFromString( fileText, 'application/xml' ); + + if ( xmlData.documentElement.nodeName.toLowerCase() !== 'model' ) { + + console.error( 'THREE.3MFLoader: Error loading 3MF - no 3MF document found: ', modelPart ); + + } + + const modelNode = xmlData.querySelector( 'model' ); + const extensions = {}; + + for ( let i = 0; i < modelNode.attributes.length; i ++ ) { + + const attr = modelNode.attributes[ i ]; + if ( attr.name.match( /^xmlns:(.+)$/ ) ) { + + extensions[ attr.value ] = RegExp.$1; + + } + + } + + const modelData = parseModelNode( modelNode ); + modelData[ 'xml' ] = modelNode; + + if ( 0 < Object.keys( extensions ).length ) { + + modelData[ 'extensions' ] = extensions; + + } + + modelParts[ modelPart ] = modelData; + + } + + // + + for ( let i = 0; i < texturesPartNames.length; i ++ ) { + + const texturesPartName = texturesPartNames[ i ]; + texturesParts[ texturesPartName ] = zip[ texturesPartName ].buffer; + + } + + return { + rels: rels, + modelRels: modelRels, + model: modelParts, + printTicket: printTicketParts, + texture: texturesParts + }; + + } + + function parseRelsXml( relsFileText ) { + + const relationships = []; + + const relsXmlData = new DOMParser().parseFromString( relsFileText, 'application/xml' ); + + const relsNodes = relsXmlData.querySelectorAll( 'Relationship' ); + + for ( let i = 0; i < relsNodes.length; i ++ ) { + + const relsNode = relsNodes[ i ]; + + const relationship = { + target: relsNode.getAttribute( 'Target' ), //required + id: relsNode.getAttribute( 'Id' ), //required + type: relsNode.getAttribute( 'Type' ) //required + }; + + relationships.push( relationship ); + + } + + return relationships; + + } + + function parseMetadataNodes( metadataNodes ) { + + const metadataData = {}; + + for ( let i = 0; i < metadataNodes.length; i ++ ) { + + const metadataNode = metadataNodes[ i ]; + const name = metadataNode.getAttribute( 'name' ); + const validNames = [ + 'Title', + 'Designer', + 'Description', + 'Copyright', + 'LicenseTerms', + 'Rating', + 'CreationDate', + 'ModificationDate' + ]; + + if ( 0 <= validNames.indexOf( name ) ) { + + metadataData[ name ] = metadataNode.textContent; + + } + + } + + return metadataData; + + } + + function parseBasematerialsNode( basematerialsNode ) { + + const basematerialsData = { + id: basematerialsNode.getAttribute( 'id' ), // required + basematerials: [] + }; + + const basematerialNodes = basematerialsNode.querySelectorAll( 'base' ); + + for ( let i = 0; i < basematerialNodes.length; i ++ ) { + + const basematerialNode = basematerialNodes[ i ]; + const basematerialData = parseBasematerialNode( basematerialNode ); + basematerialData.index = i; // the order and count of the material nodes form an implicit 0-based index + basematerialsData.basematerials.push( basematerialData ); + + } + + return basematerialsData; + + } + + function parseTexture2DNode( texture2DNode ) { + + const texture2dData = { + id: texture2DNode.getAttribute( 'id' ), // required + path: texture2DNode.getAttribute( 'path' ), // required + contenttype: texture2DNode.getAttribute( 'contenttype' ), // required + tilestyleu: texture2DNode.getAttribute( 'tilestyleu' ), + tilestylev: texture2DNode.getAttribute( 'tilestylev' ), + filter: texture2DNode.getAttribute( 'filter' ), + }; + + return texture2dData; + + } + + function parseTextures2DGroupNode( texture2DGroupNode ) { + + const texture2DGroupData = { + id: texture2DGroupNode.getAttribute( 'id' ), // required + texid: texture2DGroupNode.getAttribute( 'texid' ), // required + displaypropertiesid: texture2DGroupNode.getAttribute( 'displaypropertiesid' ) + }; + + const tex2coordNodes = texture2DGroupNode.querySelectorAll( 'tex2coord' ); + + const uvs = []; + + for ( let i = 0; i < tex2coordNodes.length; i ++ ) { + + const tex2coordNode = tex2coordNodes[ i ]; + const u = tex2coordNode.getAttribute( 'u' ); + const v = tex2coordNode.getAttribute( 'v' ); + + uvs.push( parseFloat( u ), parseFloat( v ) ); + + } + + texture2DGroupData[ 'uvs' ] = new Float32Array( uvs ); + + return texture2DGroupData; + + } + + function parseColorGroupNode( colorGroupNode ) { + + const colorGroupData = { + id: colorGroupNode.getAttribute( 'id' ), // required + displaypropertiesid: colorGroupNode.getAttribute( 'displaypropertiesid' ) + }; + + const colorNodes = colorGroupNode.querySelectorAll( 'color' ); + + const colors = []; + const colorObject = new Color(); + + for ( let i = 0; i < colorNodes.length; i ++ ) { + + const colorNode = colorNodes[ i ]; + const color = colorNode.getAttribute( 'color' ); + + colorObject.setStyle( color.substring( 0, 7 ), COLOR_SPACE_3MF ); + + colors.push( colorObject.r, colorObject.g, colorObject.b ); + + } + + colorGroupData[ 'colors' ] = new Float32Array( colors ); + + return colorGroupData; + + } + + function parseImplicitIONode( implicitIONode ) { + + const portNodes = implicitIONode.children; + const portArguments = {}; + for ( let i = 0; i < portNodes.length; i ++ ) { + + const args = { type: portNodes[ i ].nodeName.substring( 2 ) }; + for ( let j = 0; j < portNodes[ i ].attributes.length; j ++ ) { + + const attrib = portNodes[ i ].attributes[ j ]; + if ( attrib.specified ) { + + args[ attrib.name ] = attrib.value; + + } + + } + + portArguments[ portNodes[ i ].getAttribute( 'identifier' ) ] = args; + + } + + return portArguments; + + } + + function parseImplicitFunctionNode( implicitFunctionNode ) { + + const implicitFunctionData = { + id: implicitFunctionNode.getAttribute( 'id' ), + displayname: implicitFunctionNode.getAttribute( 'displayname' ) + }; + + const functionNodes = implicitFunctionNode.children; + + const operations = {}; + + for ( let i = 0; i < functionNodes.length; i ++ ) { + + const operatorNode = functionNodes[ i ]; + + if ( operatorNode.nodeName === 'i:in' || operatorNode.nodeName === 'i:out' ) { + + operations[ operatorNode.nodeName === 'i:in' ? 'inputs' : 'outputs' ] = parseImplicitIONode( operatorNode ); + + } else { + + const inputNodes = operatorNode.children; + const portArguments = { 'op': operatorNode.nodeName.substring( 2 ), 'identifier': operatorNode.getAttribute( 'identifier' ) }; + for ( let i = 0; i < inputNodes.length; i ++ ) { + + portArguments[ inputNodes[ i ].nodeName.substring( 2 ) ] = parseImplicitIONode( inputNodes[ i ] ); + + } + + operations[ portArguments[ 'identifier' ] ] = portArguments; + + } + + } + + implicitFunctionData[ 'operations' ] = operations; + + return implicitFunctionData; + + } + + function parseMetallicDisplaypropertiesNode( metallicDisplaypropetiesNode ) { + + const metallicDisplaypropertiesData = { + id: metallicDisplaypropetiesNode.getAttribute( 'id' ) // required + }; + + const metallicNodes = metallicDisplaypropetiesNode.querySelectorAll( 'pbmetallic' ); + + const metallicData = []; + + for ( let i = 0; i < metallicNodes.length; i ++ ) { + + const metallicNode = metallicNodes[ i ]; + + metallicData.push( { + name: metallicNode.getAttribute( 'name' ), // required + metallicness: parseFloat( metallicNode.getAttribute( 'metallicness' ) ), // required + roughness: parseFloat( metallicNode.getAttribute( 'roughness' ) ) // required + } ); + + } + + metallicDisplaypropertiesData.data = metallicData; + + return metallicDisplaypropertiesData; + + } + + function parseBasematerialNode( basematerialNode ) { + + const basematerialData = {}; + + basematerialData[ 'name' ] = basematerialNode.getAttribute( 'name' ); // required + basematerialData[ 'displaycolor' ] = basematerialNode.getAttribute( 'displaycolor' ); // required + basematerialData[ 'displaypropertiesid' ] = basematerialNode.getAttribute( 'displaypropertiesid' ); + + return basematerialData; + + } + + function parseMeshNode( meshNode ) { + + const meshData = {}; + + const vertices = []; + const vertexNodes = meshNode.querySelectorAll( 'vertices vertex' ); + + for ( let i = 0; i < vertexNodes.length; i ++ ) { + + const vertexNode = vertexNodes[ i ]; + const x = vertexNode.getAttribute( 'x' ); + const y = vertexNode.getAttribute( 'y' ); + const z = vertexNode.getAttribute( 'z' ); + + vertices.push( parseFloat( x ), parseFloat( y ), parseFloat( z ) ); + + } + + meshData[ 'vertices' ] = new Float32Array( vertices ); + + const triangleProperties = []; + const triangles = []; + const triangleNodes = meshNode.querySelectorAll( 'triangles triangle' ); + + for ( let i = 0; i < triangleNodes.length; i ++ ) { + + const triangleNode = triangleNodes[ i ]; + const v1 = triangleNode.getAttribute( 'v1' ); + const v2 = triangleNode.getAttribute( 'v2' ); + const v3 = triangleNode.getAttribute( 'v3' ); + const p1 = triangleNode.getAttribute( 'p1' ); + const p2 = triangleNode.getAttribute( 'p2' ); + const p3 = triangleNode.getAttribute( 'p3' ); + const pid = triangleNode.getAttribute( 'pid' ); + + const triangleProperty = {}; + + triangleProperty[ 'v1' ] = parseInt( v1, 10 ); + triangleProperty[ 'v2' ] = parseInt( v2, 10 ); + triangleProperty[ 'v3' ] = parseInt( v3, 10 ); + + triangles.push( triangleProperty[ 'v1' ], triangleProperty[ 'v2' ], triangleProperty[ 'v3' ] ); + + // optional + + if ( p1 ) { + + triangleProperty[ 'p1' ] = parseInt( p1, 10 ); + + } + + if ( p2 ) { + + triangleProperty[ 'p2' ] = parseInt( p2, 10 ); + + } + + if ( p3 ) { + + triangleProperty[ 'p3' ] = parseInt( p3, 10 ); + + } + + if ( pid ) { + + triangleProperty[ 'pid' ] = pid; + + } + + if ( 0 < Object.keys( triangleProperty ).length ) { + + triangleProperties.push( triangleProperty ); + + } + + } + + meshData[ 'triangleProperties' ] = triangleProperties; + meshData[ 'triangles' ] = new Uint32Array( triangles ); + + return meshData; + + } + + function parseComponentsNode( componentsNode ) { + + const components = []; + + const componentNodes = componentsNode.querySelectorAll( 'component' ); + + for ( let i = 0; i < componentNodes.length; i ++ ) { + + const componentNode = componentNodes[ i ]; + const componentData = parseComponentNode( componentNode ); + components.push( componentData ); + + } + + return components; + + } + + function parseComponentNode( componentNode ) { + + const componentData = {}; + + componentData[ 'objectId' ] = componentNode.getAttribute( 'objectid' ); // required + + const transform = componentNode.getAttribute( 'transform' ); + + if ( transform ) { + + componentData[ 'transform' ] = parseTransform( transform ); + + } + + return componentData; + + } + + function parseTransform( transform ) { + + const t = []; + transform.split( ' ' ).forEach( function ( s ) { + + t.push( parseFloat( s ) ); + + } ); + + const matrix = new Matrix4(); + matrix.set( + t[ 0 ], t[ 3 ], t[ 6 ], t[ 9 ], + t[ 1 ], t[ 4 ], t[ 7 ], t[ 10 ], + t[ 2 ], t[ 5 ], t[ 8 ], t[ 11 ], + 0.0, 0.0, 0.0, 1.0 + ); + + return matrix; + + } + + function parseObjectNode( objectNode ) { + + const objectData = { + type: objectNode.getAttribute( 'type' ) + }; + + const id = objectNode.getAttribute( 'id' ); + + if ( id ) { + + objectData[ 'id' ] = id; + + } + + const pid = objectNode.getAttribute( 'pid' ); + + if ( pid ) { + + objectData[ 'pid' ] = pid; + + } + + const pindex = objectNode.getAttribute( 'pindex' ); + + if ( pindex ) { + + objectData[ 'pindex' ] = pindex; + + } + + const thumbnail = objectNode.getAttribute( 'thumbnail' ); + + if ( thumbnail ) { + + objectData[ 'thumbnail' ] = thumbnail; + + } + + const partnumber = objectNode.getAttribute( 'partnumber' ); + + if ( partnumber ) { + + objectData[ 'partnumber' ] = partnumber; + + } + + const name = objectNode.getAttribute( 'name' ); + + if ( name ) { + + objectData[ 'name' ] = name; + + } + + const meshNode = objectNode.querySelector( 'mesh' ); + + if ( meshNode ) { + + objectData[ 'mesh' ] = parseMeshNode( meshNode ); + + } + + const componentsNode = objectNode.querySelector( 'components' ); + + if ( componentsNode ) { + + objectData[ 'components' ] = parseComponentsNode( componentsNode ); + + } + + return objectData; + + } + + function parseResourcesNode( resourcesNode ) { + + const resourcesData = {}; + + resourcesData[ 'basematerials' ] = {}; + const basematerialsNodes = resourcesNode.querySelectorAll( 'basematerials' ); + + for ( let i = 0; i < basematerialsNodes.length; i ++ ) { + + const basematerialsNode = basematerialsNodes[ i ]; + const basematerialsData = parseBasematerialsNode( basematerialsNode ); + resourcesData[ 'basematerials' ][ basematerialsData[ 'id' ] ] = basematerialsData; + + } + + // + + resourcesData[ 'texture2d' ] = {}; + const textures2DNodes = resourcesNode.querySelectorAll( 'texture2d' ); + + for ( let i = 0; i < textures2DNodes.length; i ++ ) { + + const textures2DNode = textures2DNodes[ i ]; + const texture2DData = parseTexture2DNode( textures2DNode ); + resourcesData[ 'texture2d' ][ texture2DData[ 'id' ] ] = texture2DData; + + } + + // + + resourcesData[ 'colorgroup' ] = {}; + const colorGroupNodes = resourcesNode.querySelectorAll( 'colorgroup' ); + + for ( let i = 0; i < colorGroupNodes.length; i ++ ) { + + const colorGroupNode = colorGroupNodes[ i ]; + const colorGroupData = parseColorGroupNode( colorGroupNode ); + resourcesData[ 'colorgroup' ][ colorGroupData[ 'id' ] ] = colorGroupData; + + } + + // + + const implicitFunctionNodes = resourcesNode.querySelectorAll( 'implicitfunction' ); + + if ( implicitFunctionNodes.length > 0 ) { + + resourcesData[ 'implicitfunction' ] = {}; + + } + + + for ( let i = 0; i < implicitFunctionNodes.length; i ++ ) { + + const implicitFunctionNode = implicitFunctionNodes[ i ]; + const implicitFunctionData = parseImplicitFunctionNode( implicitFunctionNode ); + resourcesData[ 'implicitfunction' ][ implicitFunctionData[ 'id' ] ] = implicitFunctionData; + + } + + // + + resourcesData[ 'pbmetallicdisplayproperties' ] = {}; + const pbmetallicdisplaypropertiesNodes = resourcesNode.querySelectorAll( 'pbmetallicdisplayproperties' ); + + for ( let i = 0; i < pbmetallicdisplaypropertiesNodes.length; i ++ ) { + + const pbmetallicdisplaypropertiesNode = pbmetallicdisplaypropertiesNodes[ i ]; + const pbmetallicdisplaypropertiesData = parseMetallicDisplaypropertiesNode( pbmetallicdisplaypropertiesNode ); + resourcesData[ 'pbmetallicdisplayproperties' ][ pbmetallicdisplaypropertiesData[ 'id' ] ] = pbmetallicdisplaypropertiesData; + + } + + // + + resourcesData[ 'texture2dgroup' ] = {}; + const textures2DGroupNodes = resourcesNode.querySelectorAll( 'texture2dgroup' ); + + for ( let i = 0; i < textures2DGroupNodes.length; i ++ ) { + + const textures2DGroupNode = textures2DGroupNodes[ i ]; + const textures2DGroupData = parseTextures2DGroupNode( textures2DGroupNode ); + resourcesData[ 'texture2dgroup' ][ textures2DGroupData[ 'id' ] ] = textures2DGroupData; + + } + + // + + resourcesData[ 'object' ] = {}; + const objectNodes = resourcesNode.querySelectorAll( 'object' ); + + for ( let i = 0; i < objectNodes.length; i ++ ) { + + const objectNode = objectNodes[ i ]; + const objectData = parseObjectNode( objectNode ); + resourcesData[ 'object' ][ objectData[ 'id' ] ] = objectData; + + } + + return resourcesData; + + } + + function parseBuildNode( buildNode ) { + + const buildData = []; + const itemNodes = buildNode.querySelectorAll( 'item' ); + + for ( let i = 0; i < itemNodes.length; i ++ ) { + + const itemNode = itemNodes[ i ]; + const buildItem = { + objectId: itemNode.getAttribute( 'objectid' ) + }; + const transform = itemNode.getAttribute( 'transform' ); + + if ( transform ) { + + buildItem[ 'transform' ] = parseTransform( transform ); + + } + + buildData.push( buildItem ); + + } + + return buildData; + + } + + function parseModelNode( modelNode ) { + + const modelData = { unit: modelNode.getAttribute( 'unit' ) || 'millimeter' }; + const metadataNodes = modelNode.querySelectorAll( 'metadata' ); + + if ( metadataNodes ) { + + modelData[ 'metadata' ] = parseMetadataNodes( metadataNodes ); + + } + + const resourcesNode = modelNode.querySelector( 'resources' ); + + if ( resourcesNode ) { + + modelData[ 'resources' ] = parseResourcesNode( resourcesNode ); + + } + + const buildNode = modelNode.querySelector( 'build' ); + + if ( buildNode ) { + + modelData[ 'build' ] = parseBuildNode( buildNode ); + + } + + return modelData; + + } + + function buildTexture( texture2dgroup, objects, modelData, textureData ) { + + const texid = texture2dgroup.texid; + const texture2ds = modelData.resources.texture2d; + const texture2d = texture2ds[ texid ]; + + if ( texture2d ) { + + const data = textureData[ texture2d.path ]; + const type = texture2d.contenttype; + + const blob = new Blob( [ data ], { type: type } ); + const sourceURI = URL.createObjectURL( blob ); + + const texture = textureLoader.load( sourceURI, function () { + + URL.revokeObjectURL( sourceURI ); + + } ); + + texture.colorSpace = COLOR_SPACE_3MF; + + // texture parameters + + switch ( texture2d.tilestyleu ) { + + case 'wrap': + texture.wrapS = RepeatWrapping; + break; + + case 'mirror': + texture.wrapS = MirroredRepeatWrapping; + break; + + case 'none': + case 'clamp': + texture.wrapS = ClampToEdgeWrapping; + break; + + default: + texture.wrapS = RepeatWrapping; + + } + + switch ( texture2d.tilestylev ) { + + case 'wrap': + texture.wrapT = RepeatWrapping; + break; + + case 'mirror': + texture.wrapT = MirroredRepeatWrapping; + break; + + case 'none': + case 'clamp': + texture.wrapT = ClampToEdgeWrapping; + break; + + default: + texture.wrapT = RepeatWrapping; + + } + + switch ( texture2d.filter ) { + + case 'auto': + texture.magFilter = LinearFilter; + texture.minFilter = LinearMipmapLinearFilter; + break; + + case 'linear': + texture.magFilter = LinearFilter; + texture.minFilter = LinearFilter; + texture.generateMipmaps = false; + break; + + case 'nearest': + texture.magFilter = NearestFilter; + texture.minFilter = NearestFilter; + texture.generateMipmaps = false; + break; + + default: + texture.magFilter = LinearFilter; + texture.minFilter = LinearMipmapLinearFilter; + + } + + return texture; + + } else { + + return null; + + } + + } + + function buildBasematerialsMeshes( basematerials, triangleProperties, meshData, objects, modelData, textureData, objectData ) { + + const objectPindex = objectData.pindex; + + const materialMap = {}; + + for ( let i = 0, l = triangleProperties.length; i < l; i ++ ) { + + const triangleProperty = triangleProperties[ i ]; + const pindex = ( triangleProperty.p1 !== undefined ) ? triangleProperty.p1 : objectPindex; + + if ( materialMap[ pindex ] === undefined ) materialMap[ pindex ] = []; + + materialMap[ pindex ].push( triangleProperty ); + + } + + // + + const keys = Object.keys( materialMap ); + const meshes = []; + + for ( let i = 0, l = keys.length; i < l; i ++ ) { + + const materialIndex = keys[ i ]; + const trianglePropertiesProps = materialMap[ materialIndex ]; + const basematerialData = basematerials.basematerials[ materialIndex ]; + const material = getBuild( basematerialData, objects, modelData, textureData, objectData, buildBasematerial ); + + // + + const geometry = new BufferGeometry(); + + const positionData = []; + + const vertices = meshData.vertices; + + for ( let j = 0, jl = trianglePropertiesProps.length; j < jl; j ++ ) { + + const triangleProperty = trianglePropertiesProps[ j ]; + + positionData.push( vertices[ ( triangleProperty.v1 * 3 ) + 0 ] ); + positionData.push( vertices[ ( triangleProperty.v1 * 3 ) + 1 ] ); + positionData.push( vertices[ ( triangleProperty.v1 * 3 ) + 2 ] ); + + positionData.push( vertices[ ( triangleProperty.v2 * 3 ) + 0 ] ); + positionData.push( vertices[ ( triangleProperty.v2 * 3 ) + 1 ] ); + positionData.push( vertices[ ( triangleProperty.v2 * 3 ) + 2 ] ); + + positionData.push( vertices[ ( triangleProperty.v3 * 3 ) + 0 ] ); + positionData.push( vertices[ ( triangleProperty.v3 * 3 ) + 1 ] ); + positionData.push( vertices[ ( triangleProperty.v3 * 3 ) + 2 ] ); + + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( positionData, 3 ) ); + + // + + const mesh = new Mesh( geometry, material ); + meshes.push( mesh ); + + } + + return meshes; + + } + + function buildTexturedMesh( texture2dgroup, triangleProperties, meshData, objects, modelData, textureData, objectData ) { + + // geometry + + const geometry = new BufferGeometry(); + + const positionData = []; + const uvData = []; + + const vertices = meshData.vertices; + const uvs = texture2dgroup.uvs; + + for ( let i = 0, l = triangleProperties.length; i < l; i ++ ) { + + const triangleProperty = triangleProperties[ i ]; + + positionData.push( vertices[ ( triangleProperty.v1 * 3 ) + 0 ] ); + positionData.push( vertices[ ( triangleProperty.v1 * 3 ) + 1 ] ); + positionData.push( vertices[ ( triangleProperty.v1 * 3 ) + 2 ] ); + + positionData.push( vertices[ ( triangleProperty.v2 * 3 ) + 0 ] ); + positionData.push( vertices[ ( triangleProperty.v2 * 3 ) + 1 ] ); + positionData.push( vertices[ ( triangleProperty.v2 * 3 ) + 2 ] ); + + positionData.push( vertices[ ( triangleProperty.v3 * 3 ) + 0 ] ); + positionData.push( vertices[ ( triangleProperty.v3 * 3 ) + 1 ] ); + positionData.push( vertices[ ( triangleProperty.v3 * 3 ) + 2 ] ); + + // + + uvData.push( uvs[ ( triangleProperty.p1 * 2 ) + 0 ] ); + uvData.push( uvs[ ( triangleProperty.p1 * 2 ) + 1 ] ); + + uvData.push( uvs[ ( triangleProperty.p2 * 2 ) + 0 ] ); + uvData.push( uvs[ ( triangleProperty.p2 * 2 ) + 1 ] ); + + uvData.push( uvs[ ( triangleProperty.p3 * 2 ) + 0 ] ); + uvData.push( uvs[ ( triangleProperty.p3 * 2 ) + 1 ] ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( positionData, 3 ) ); + geometry.setAttribute( 'uv', new Float32BufferAttribute( uvData, 2 ) ); + + // material + + const texture = getBuild( texture2dgroup, objects, modelData, textureData, objectData, buildTexture ); + + const material = new MeshPhongMaterial( { map: texture, flatShading: true } ); + + // mesh + + const mesh = new Mesh( geometry, material ); + + return mesh; + + } + + function buildVertexColorMesh( colorgroup, triangleProperties, meshData, objectData ) { + + // geometry + + const geometry = new BufferGeometry(); + + const positionData = []; + const colorData = []; + + const vertices = meshData.vertices; + const colors = colorgroup.colors; + + for ( let i = 0, l = triangleProperties.length; i < l; i ++ ) { + + const triangleProperty = triangleProperties[ i ]; + + const v1 = triangleProperty.v1; + const v2 = triangleProperty.v2; + const v3 = triangleProperty.v3; + + positionData.push( vertices[ ( v1 * 3 ) + 0 ] ); + positionData.push( vertices[ ( v1 * 3 ) + 1 ] ); + positionData.push( vertices[ ( v1 * 3 ) + 2 ] ); + + positionData.push( vertices[ ( v2 * 3 ) + 0 ] ); + positionData.push( vertices[ ( v2 * 3 ) + 1 ] ); + positionData.push( vertices[ ( v2 * 3 ) + 2 ] ); + + positionData.push( vertices[ ( v3 * 3 ) + 0 ] ); + positionData.push( vertices[ ( v3 * 3 ) + 1 ] ); + positionData.push( vertices[ ( v3 * 3 ) + 2 ] ); + + // + + const p1 = ( triangleProperty.p1 !== undefined ) ? triangleProperty.p1 : objectData.pindex; + const p2 = ( triangleProperty.p2 !== undefined ) ? triangleProperty.p2 : p1; + const p3 = ( triangleProperty.p3 !== undefined ) ? triangleProperty.p3 : p1; + + colorData.push( colors[ ( p1 * 3 ) + 0 ] ); + colorData.push( colors[ ( p1 * 3 ) + 1 ] ); + colorData.push( colors[ ( p1 * 3 ) + 2 ] ); + + colorData.push( colors[ ( p2 * 3 ) + 0 ] ); + colorData.push( colors[ ( p2 * 3 ) + 1 ] ); + colorData.push( colors[ ( p2 * 3 ) + 2 ] ); + + colorData.push( colors[ ( p3 * 3 ) + 0 ] ); + colorData.push( colors[ ( p3 * 3 ) + 1 ] ); + colorData.push( colors[ ( p3 * 3 ) + 2 ] ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( positionData, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colorData, 3 ) ); + + // material + + const material = new MeshPhongMaterial( { vertexColors: true, flatShading: true } ); + + // mesh + + const mesh = new Mesh( geometry, material ); + + return mesh; + + } + + function buildDefaultMesh( meshData ) { + + const geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( meshData[ 'triangles' ], 1 ) ); + geometry.setAttribute( 'position', new BufferAttribute( meshData[ 'vertices' ], 3 ) ); + + const material = new MeshPhongMaterial( { + name: Loader.DEFAULT_MATERIAL_NAME, + color: 0xffffff, + flatShading: true + } ); + + const mesh = new Mesh( geometry, material ); + + return mesh; + + } + + function buildMeshes( resourceMap, meshData, objects, modelData, textureData, objectData ) { + + const keys = Object.keys( resourceMap ); + const meshes = []; + + for ( let i = 0, il = keys.length; i < il; i ++ ) { + + const resourceId = keys[ i ]; + const triangleProperties = resourceMap[ resourceId ]; + const resourceType = getResourceType( resourceId, modelData ); + + switch ( resourceType ) { + + case 'material': + const basematerials = modelData.resources.basematerials[ resourceId ]; + const newMeshes = buildBasematerialsMeshes( basematerials, triangleProperties, meshData, objects, modelData, textureData, objectData ); + + for ( let j = 0, jl = newMeshes.length; j < jl; j ++ ) { + + meshes.push( newMeshes[ j ] ); + + } + + break; + + case 'texture': + const texture2dgroup = modelData.resources.texture2dgroup[ resourceId ]; + meshes.push( buildTexturedMesh( texture2dgroup, triangleProperties, meshData, objects, modelData, textureData, objectData ) ); + break; + + case 'vertexColors': + const colorgroup = modelData.resources.colorgroup[ resourceId ]; + meshes.push( buildVertexColorMesh( colorgroup, triangleProperties, meshData, objectData ) ); + break; + + case 'default': + meshes.push( buildDefaultMesh( meshData ) ); + break; + + default: + console.error( 'THREE.3MFLoader: Unsupported resource type.' ); + + } + + } + + if ( objectData.name ) { + + for ( let i = 0; i < meshes.length; i ++ ) { + + meshes[ i ].name = objectData.name; + + } + + } + + return meshes; + + } + + function getResourceType( pid, modelData ) { + + if ( modelData.resources.texture2dgroup[ pid ] !== undefined ) { + + return 'texture'; + + } else if ( modelData.resources.basematerials[ pid ] !== undefined ) { + + return 'material'; + + } else if ( modelData.resources.colorgroup[ pid ] !== undefined ) { + + return 'vertexColors'; + + } else if ( pid === 'default' ) { + + return 'default'; + + } else { + + return undefined; + + } + + } + + function analyzeObject( meshData, objectData ) { + + const resourceMap = {}; + + const triangleProperties = meshData[ 'triangleProperties' ]; + + const objectPid = objectData.pid; + + for ( let i = 0, l = triangleProperties.length; i < l; i ++ ) { + + const triangleProperty = triangleProperties[ i ]; + let pid = ( triangleProperty.pid !== undefined ) ? triangleProperty.pid : objectPid; + + if ( pid === undefined ) pid = 'default'; + + if ( resourceMap[ pid ] === undefined ) resourceMap[ pid ] = []; + + resourceMap[ pid ].push( triangleProperty ); + + } + + return resourceMap; + + } + + function buildGroup( meshData, objects, modelData, textureData, objectData ) { + + const group = new Group(); + + const resourceMap = analyzeObject( meshData, objectData ); + const meshes = buildMeshes( resourceMap, meshData, objects, modelData, textureData, objectData ); + + for ( let i = 0, l = meshes.length; i < l; i ++ ) { + + group.add( meshes[ i ] ); + + } + + return group; + + } + + function applyExtensions( extensions, meshData, modelXml ) { + + if ( ! extensions ) { + + return; + + } + + const availableExtensions = []; + const keys = Object.keys( extensions ); + + for ( let i = 0; i < keys.length; i ++ ) { + + const ns = keys[ i ]; + + for ( let j = 0; j < scope.availableExtensions.length; j ++ ) { + + const extension = scope.availableExtensions[ j ]; + + if ( extension.ns === ns ) { + + availableExtensions.push( extension ); + + } + + } + + } + + for ( let i = 0; i < availableExtensions.length; i ++ ) { + + const extension = availableExtensions[ i ]; + extension.apply( modelXml, extensions[ extension[ 'ns' ] ], meshData ); + + } + + } + + function getBuild( data, objects, modelData, textureData, objectData, builder ) { + + if ( data.build !== undefined ) return data.build; + + data.build = builder( data, objects, modelData, textureData, objectData ); + + return data.build; + + } + + function buildBasematerial( materialData, objects, modelData ) { + + let material; + + const displaypropertiesid = materialData.displaypropertiesid; + const pbmetallicdisplayproperties = modelData.resources.pbmetallicdisplayproperties; + + if ( displaypropertiesid !== null && pbmetallicdisplayproperties[ displaypropertiesid ] !== undefined ) { + + // metallic display property, use StandardMaterial + + const pbmetallicdisplayproperty = pbmetallicdisplayproperties[ displaypropertiesid ]; + const metallicData = pbmetallicdisplayproperty.data[ materialData.index ]; + + material = new MeshStandardMaterial( { flatShading: true, roughness: metallicData.roughness, metalness: metallicData.metallicness } ); + + } else { + + // otherwise use PhongMaterial + + material = new MeshPhongMaterial( { flatShading: true } ); + + } + + material.name = materialData.name; + + // displaycolor MUST be specified with a value of a 6 or 8 digit hexadecimal number, e.g. "#RRGGBB" or "#RRGGBBAA" + + const displaycolor = materialData.displaycolor; + + const color = displaycolor.substring( 0, 7 ); + material.color.setStyle( color, COLOR_SPACE_3MF ); + + // process alpha if set + + if ( displaycolor.length === 9 ) { + + material.opacity = parseInt( displaycolor.charAt( 7 ) + displaycolor.charAt( 8 ), 16 ) / 255; + + } + + return material; + + } + + function buildComposite( compositeData, objects, modelData, textureData ) { + + const composite = new Group(); + + for ( let j = 0; j < compositeData.length; j ++ ) { + + const component = compositeData[ j ]; + let build = objects[ component.objectId ]; + + if ( build === undefined ) { + + buildObject( component.objectId, objects, modelData, textureData ); + build = objects[ component.objectId ]; + + } + + const object3D = build.clone(); + + // apply component transform + + const transform = component.transform; + + if ( transform ) { + + object3D.applyMatrix4( transform ); + + } + + composite.add( object3D ); + + } + + return composite; + + } + + function buildObject( objectId, objects, modelData, textureData ) { + + const objectData = modelData[ 'resources' ][ 'object' ][ objectId ]; + + if ( objectData[ 'mesh' ] ) { + + const meshData = objectData[ 'mesh' ]; + + const extensions = modelData[ 'extensions' ]; + const modelXml = modelData[ 'xml' ]; + + applyExtensions( extensions, meshData, modelXml ); + + objects[ objectData.id ] = getBuild( meshData, objects, modelData, textureData, objectData, buildGroup ); + + } else { + + const compositeData = objectData[ 'components' ]; + + objects[ objectData.id ] = getBuild( compositeData, objects, modelData, textureData, objectData, buildComposite ); + + } + + if ( objectData.name ) { + + objects[ objectData.id ].name = objectData.name; + + } + + if ( modelData.resources.implicitfunction ) { + + console.warn( 'THREE.ThreeMFLoader: Implicit Functions are implemented in data-only.', modelData.resources.implicitfunction ); + + } + + } + + function buildObjects( data3mf ) { + + const modelsData = data3mf.model; + const modelRels = data3mf.modelRels; + const objects = {}; + const modelsKeys = Object.keys( modelsData ); + const textureData = {}; + + // evaluate model relationships to textures + + if ( modelRels ) { + + for ( let i = 0, l = modelRels.length; i < l; i ++ ) { + + const modelRel = modelRels[ i ]; + const textureKey = modelRel.target.substring( 1 ); + + if ( data3mf.texture[ textureKey ] ) { + + textureData[ modelRel.target ] = data3mf.texture[ textureKey ]; + + } + + } + + } + + // start build + + for ( let i = 0; i < modelsKeys.length; i ++ ) { + + const modelsKey = modelsKeys[ i ]; + const modelData = modelsData[ modelsKey ]; + + const objectIds = Object.keys( modelData[ 'resources' ][ 'object' ] ); + + for ( let j = 0; j < objectIds.length; j ++ ) { + + const objectId = objectIds[ j ]; + + buildObject( objectId, objects, modelData, textureData ); + + } + + } + + return objects; + + } + + function fetch3DModelPart( rels ) { + + for ( let i = 0; i < rels.length; i ++ ) { + + const rel = rels[ i ]; + const extension = rel.target.split( '.' ).pop(); + + if ( extension.toLowerCase() === 'model' ) return rel; + + } + + } + + function build( objects, data3mf ) { + + const group = new Group(); + + const relationship = fetch3DModelPart( data3mf[ 'rels' ] ); + const buildData = data3mf.model[ relationship[ 'target' ].substring( 1 ) ][ 'build' ]; + + for ( let i = 0; i < buildData.length; i ++ ) { + + const buildItem = buildData[ i ]; + const object3D = objects[ buildItem[ 'objectId' ] ].clone(); + + // apply transform + + const transform = buildItem[ 'transform' ]; + + if ( transform ) { + + object3D.applyMatrix4( transform ); + + } + + group.add( object3D ); + + } + + return group; + + } + + const data3mf = loadDocument( data ); + const objects = buildObjects( data3mf ); + + return build( objects, data3mf ); + + } + + /** + * Adds a 3MF extension. + * + * @param {Object} extension - The extension to add. + */ + addExtension( extension ) { + + this.availableExtensions.push( extension ); + + } + +} + +export { ThreeMFLoader }; diff --git a/node_modules/three/examples/jsm/loaders/AMFLoader.js b/node_modules/three/examples/jsm/loaders/AMFLoader.js new file mode 100644 index 0000000..a89328e --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/AMFLoader.js @@ -0,0 +1,541 @@ +import { + BufferGeometry, + Color, + FileLoader, + Float32BufferAttribute, + Group, + Loader, + Mesh, + MeshPhongMaterial +} from 'three'; +import * as fflate from '../libs/fflate.module.js'; + +/** + * A loader for the AMF format. + * + * The loader supports materials, color and ZIP compressed files. + * No constellation support (yet). + * + * ```js + * const loader = new AMFLoader(); + * + * const object = await loader.loadAsync( './models/amf/rook.amf' ); + * scene.add( object ); + * ``` + * + * @augments Loader + * @three_import import { AMFLoader } from 'three/addons/loaders/AMFLoader.js'; + */ +class AMFLoader extends Loader { + + /** + * Constructs a new AMF loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded AMF asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Group)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given AMF data and returns the resulting group. + * + * @param {ArrayBuffer} data - The raw AMF asset data as an array buffer. + * @return {Group} A group representing the parsed asset. + */ + parse( data ) { + + function loadDocument( data ) { + + let view = new DataView( data ); + const magic = String.fromCharCode( view.getUint8( 0 ), view.getUint8( 1 ) ); + + if ( magic === 'PK' ) { + + let zip = null; + let file = null; + + console.log( 'THREE.AMFLoader: Loading Zip' ); + + try { + + zip = fflate.unzipSync( new Uint8Array( data ) ); + + } catch ( e ) { + + if ( e instanceof ReferenceError ) { + + console.log( 'THREE.AMFLoader: fflate missing and file is compressed.' ); + return null; + + } + + } + + for ( file in zip ) { + + if ( file.toLowerCase().slice( - 4 ) === '.amf' ) { + + break; + + } + + } + + console.log( 'THREE.AMFLoader: Trying to load file asset: ' + file ); + view = new DataView( zip[ file ].buffer ); + + } + + const fileText = new TextDecoder().decode( view ); + const xmlData = new DOMParser().parseFromString( fileText, 'application/xml' ); + + if ( xmlData.documentElement.nodeName.toLowerCase() !== 'amf' ) { + + console.log( 'THREE.AMFLoader: Error loading AMF - no AMF document found.' ); + return null; + + } + + return xmlData; + + } + + function loadDocumentScale( node ) { + + let scale = 1.0; + let unit = 'millimeter'; + + if ( node.documentElement.attributes.unit !== undefined ) { + + unit = node.documentElement.attributes.unit.value.toLowerCase(); + + } + + const scaleUnits = { + millimeter: 1.0, + inch: 25.4, + feet: 304.8, + meter: 1000.0, + micron: 0.001 + }; + + if ( scaleUnits[ unit ] !== undefined ) { + + scale = scaleUnits[ unit ]; + + } + + console.log( 'THREE.AMFLoader: Unit scale: ' + scale ); + return scale; + + } + + function loadMaterials( node ) { + + let matName = 'AMF Material'; + const matId = node.attributes.id.textContent; + let color = { r: 1.0, g: 1.0, b: 1.0, a: 1.0 }; + + let loadedMaterial = null; + + for ( let i = 0; i < node.childNodes.length; i ++ ) { + + const matChildEl = node.childNodes[ i ]; + + if ( matChildEl.nodeName === 'metadata' && matChildEl.attributes.type !== undefined ) { + + if ( matChildEl.attributes.type.value === 'name' ) { + + matName = matChildEl.textContent; + + } + + } else if ( matChildEl.nodeName === 'color' ) { + + color = loadColor( matChildEl ); + + } + + } + + loadedMaterial = new MeshPhongMaterial( { + flatShading: true, + color: new Color( color.r, color.g, color.b ), + name: matName + } ); + + if ( color.a !== 1.0 ) { + + loadedMaterial.transparent = true; + loadedMaterial.opacity = color.a; + + } + + return { id: matId, material: loadedMaterial }; + + } + + function loadColor( node ) { + + const color = { r: 1.0, g: 1.0, b: 1.0, a: 1.0 }; + + for ( let i = 0; i < node.childNodes.length; i ++ ) { + + const matColor = node.childNodes[ i ]; + + if ( matColor.nodeName === 'r' ) { + + color.r = matColor.textContent; + + } else if ( matColor.nodeName === 'g' ) { + + color.g = matColor.textContent; + + } else if ( matColor.nodeName === 'b' ) { + + color.b = matColor.textContent; + + } else if ( matColor.nodeName === 'a' ) { + + color.a = matColor.textContent; + + } + + } + + return color; + + } + + function loadMeshVolume( node ) { + + const volume = { name: '', triangles: [], materialId: null }; + + let currVolumeNode = node.firstElementChild; + + if ( node.attributes.materialid !== undefined ) { + + volume.materialId = node.attributes.materialid.nodeValue; + + } + + while ( currVolumeNode ) { + + if ( currVolumeNode.nodeName === 'metadata' ) { + + if ( currVolumeNode.attributes.type !== undefined ) { + + if ( currVolumeNode.attributes.type.value === 'name' ) { + + volume.name = currVolumeNode.textContent; + + } + + } + + } else if ( currVolumeNode.nodeName === 'triangle' ) { + + const v1 = currVolumeNode.getElementsByTagName( 'v1' )[ 0 ].textContent; + const v2 = currVolumeNode.getElementsByTagName( 'v2' )[ 0 ].textContent; + const v3 = currVolumeNode.getElementsByTagName( 'v3' )[ 0 ].textContent; + + volume.triangles.push( v1, v2, v3 ); + + } + + currVolumeNode = currVolumeNode.nextElementSibling; + + } + + return volume; + + } + + function loadMeshVertices( node ) { + + const vertArray = []; + const normalArray = []; + let currVerticesNode = node.firstElementChild; + + while ( currVerticesNode ) { + + if ( currVerticesNode.nodeName === 'vertex' ) { + + let vNode = currVerticesNode.firstElementChild; + + while ( vNode ) { + + if ( vNode.nodeName === 'coordinates' ) { + + const x = vNode.getElementsByTagName( 'x' )[ 0 ].textContent; + const y = vNode.getElementsByTagName( 'y' )[ 0 ].textContent; + const z = vNode.getElementsByTagName( 'z' )[ 0 ].textContent; + + vertArray.push( x, y, z ); + + } else if ( vNode.nodeName === 'normal' ) { + + const nx = vNode.getElementsByTagName( 'nx' )[ 0 ].textContent; + const ny = vNode.getElementsByTagName( 'ny' )[ 0 ].textContent; + const nz = vNode.getElementsByTagName( 'nz' )[ 0 ].textContent; + + normalArray.push( nx, ny, nz ); + + } + + vNode = vNode.nextElementSibling; + + } + + } + + currVerticesNode = currVerticesNode.nextElementSibling; + + } + + return { 'vertices': vertArray, 'normals': normalArray }; + + } + + function loadObject( node ) { + + const objId = node.attributes.id.textContent; + const loadedObject = { name: 'amfobject', meshes: [] }; + let currColor = null; + let currObjNode = node.firstElementChild; + + while ( currObjNode ) { + + if ( currObjNode.nodeName === 'metadata' ) { + + if ( currObjNode.attributes.type !== undefined ) { + + if ( currObjNode.attributes.type.value === 'name' ) { + + loadedObject.name = currObjNode.textContent; + + } + + } + + } else if ( currObjNode.nodeName === 'color' ) { + + currColor = loadColor( currObjNode ); + + } else if ( currObjNode.nodeName === 'mesh' ) { + + let currMeshNode = currObjNode.firstElementChild; + const mesh = { vertices: [], normals: [], volumes: [], color: currColor }; + + while ( currMeshNode ) { + + if ( currMeshNode.nodeName === 'vertices' ) { + + const loadedVertices = loadMeshVertices( currMeshNode ); + + mesh.normals = mesh.normals.concat( loadedVertices.normals ); + mesh.vertices = mesh.vertices.concat( loadedVertices.vertices ); + + } else if ( currMeshNode.nodeName === 'volume' ) { + + mesh.volumes.push( loadMeshVolume( currMeshNode ) ); + + } + + currMeshNode = currMeshNode.nextElementSibling; + + } + + loadedObject.meshes.push( mesh ); + + } + + currObjNode = currObjNode.nextElementSibling; + + } + + return { 'id': objId, 'obj': loadedObject }; + + } + + const xmlData = loadDocument( data ); + let amfName = ''; + let amfAuthor = ''; + const amfScale = loadDocumentScale( xmlData ); + const amfMaterials = {}; + const amfObjects = {}; + const childNodes = xmlData.documentElement.childNodes; + + let i, j; + + for ( i = 0; i < childNodes.length; i ++ ) { + + const child = childNodes[ i ]; + + if ( child.nodeName === 'metadata' ) { + + if ( child.attributes.type !== undefined ) { + + if ( child.attributes.type.value === 'name' ) { + + amfName = child.textContent; + + } else if ( child.attributes.type.value === 'author' ) { + + amfAuthor = child.textContent; + + } + + } + + } else if ( child.nodeName === 'material' ) { + + const loadedMaterial = loadMaterials( child ); + + amfMaterials[ loadedMaterial.id ] = loadedMaterial.material; + + } else if ( child.nodeName === 'object' ) { + + const loadedObject = loadObject( child ); + + amfObjects[ loadedObject.id ] = loadedObject.obj; + + } + + } + + const sceneObject = new Group(); + const defaultMaterial = new MeshPhongMaterial( { + name: Loader.DEFAULT_MATERIAL_NAME, + color: 0xaaaaff, + flatShading: true + } ); + + sceneObject.name = amfName; + sceneObject.userData.author = amfAuthor; + sceneObject.userData.loader = 'AMF'; + + for ( const id in amfObjects ) { + + const part = amfObjects[ id ]; + const meshes = part.meshes; + const newObject = new Group(); + newObject.name = part.name || ''; + + for ( i = 0; i < meshes.length; i ++ ) { + + let objDefaultMaterial = defaultMaterial; + const mesh = meshes[ i ]; + const vertices = new Float32BufferAttribute( mesh.vertices, 3 ); + let normals = null; + + if ( mesh.normals.length ) { + + normals = new Float32BufferAttribute( mesh.normals, 3 ); + + } + + if ( mesh.color ) { + + const color = mesh.color; + + objDefaultMaterial = defaultMaterial.clone(); + objDefaultMaterial.color = new Color( color.r, color.g, color.b ); + + if ( color.a !== 1.0 ) { + + objDefaultMaterial.transparent = true; + objDefaultMaterial.opacity = color.a; + + } + + } + + const volumes = mesh.volumes; + + for ( j = 0; j < volumes.length; j ++ ) { + + const volume = volumes[ j ]; + const newGeometry = new BufferGeometry(); + let material = objDefaultMaterial; + + newGeometry.setIndex( volume.triangles ); + newGeometry.setAttribute( 'position', vertices.clone() ); + + if ( normals ) { + + newGeometry.setAttribute( 'normal', normals.clone() ); + + } + + if ( amfMaterials[ volume.materialId ] !== undefined ) { + + material = amfMaterials[ volume.materialId ]; + + } + + newGeometry.scale( amfScale, amfScale, amfScale ); + newObject.add( new Mesh( newGeometry, material.clone() ) ); + + } + + } + + sceneObject.add( newObject ); + + } + + return sceneObject; + + } + +} + +export { AMFLoader }; diff --git a/node_modules/three/examples/jsm/loaders/BVHLoader.js b/node_modules/three/examples/jsm/loaders/BVHLoader.js new file mode 100644 index 0000000..05a3d6b --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/BVHLoader.js @@ -0,0 +1,484 @@ +import { + AnimationClip, + Bone, + FileLoader, + Loader, + Quaternion, + QuaternionKeyframeTrack, + Skeleton, + Vector3, + VectorKeyframeTrack +} from 'three'; + +/** + * A loader for the BVH format. + * + * Imports BVH files and outputs a single {@link Skeleton} and {@link AnimationClip}. + * The loader only supports BVH files containing a single root right now. + * + * ```js + * const loader = new BVHLoader(); + * const result = await loader.loadAsync( 'models/bvh/pirouette.bvh' ); + * + * // visualize skeleton + * const skeletonHelper = new THREE.SkeletonHelper( result.skeleton.bones[ 0 ] ); + * scene.add( result.skeleton.bones[ 0 ] ); + * scene.add( skeletonHelper ); + * + * // play animation clip + * mixer = new THREE.AnimationMixer( result.skeleton.bones[ 0 ] ); + * mixer.clipAction( result.clip ).play(); + * ``` + * + * @augments Loader + * @three_import import { BVHLoader } from 'three/addons/loaders/BVHLoader.js'; + */ +class BVHLoader extends Loader { + + /** + * Constructs a new BVH loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * Whether to animate bone positions or not. + * + * @type {boolean} + * @default true + */ + this.animateBonePositions = true; + + /** + * Whether to animate bone rotations or not. + * + * @type {boolean} + * @default true + */ + this.animateBoneRotations = true; + + } + + /** + * Starts loading from the given URL and passes the loaded BVH asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({skeleton:Skeleton,clip:AnimationClip})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given BVH data and returns the resulting data. + * + * @param {string} text - The raw BVH data as a string. + * @return {{skeleton:Skeleton,clip:AnimationClip}} An object representing the parsed asset. + */ + parse( text ) { + + // reads a string array (lines) from a BVH file + // and outputs a skeleton structure including motion data + + // returns thee root node: + // { name: '', channels: [], children: [] } + function readBvh( lines ) { + + // read model structure + + if ( nextLine( lines ) !== 'HIERARCHY' ) { + + console.error( 'THREE.BVHLoader: HIERARCHY expected.' ); + + } + + const list = []; // collects flat array of all bones + const root = readNode( lines, nextLine( lines ), list ); + + // read motion data + + if ( nextLine( lines ) !== 'MOTION' ) { + + console.error( 'THREE.BVHLoader: MOTION expected.' ); + + } + + // number of frames + + let tokens = nextLine( lines ).split( /[\s]+/ ); + const numFrames = parseInt( tokens[ 1 ] ); + + if ( isNaN( numFrames ) ) { + + console.error( 'THREE.BVHLoader: Failed to read number of frames.' ); + + } + + // frame time + + tokens = nextLine( lines ).split( /[\s]+/ ); + const frameTime = parseFloat( tokens[ 2 ] ); + + if ( isNaN( frameTime ) ) { + + console.error( 'THREE.BVHLoader: Failed to read frame time.' ); + + } + + // read frame data line by line + + for ( let i = 0; i < numFrames; i ++ ) { + + tokens = nextLine( lines ).split( /[\s]+/ ); + readFrameData( tokens, i * frameTime, root ); + + } + + return list; + + } + + /* + Recursively reads data from a single frame into the bone hierarchy. + The passed bone hierarchy has to be structured in the same order as the BVH file. + keyframe data is stored in bone.frames. + + - data: splitted string array (frame values), values are shift()ed so + this should be empty after parsing the whole hierarchy. + - frameTime: playback time for this keyframe. + - bone: the bone to read frame data from. + */ + function readFrameData( data, frameTime, bone ) { + + // end sites have no motion data + + if ( bone.type === 'ENDSITE' ) return; + + // add keyframe + + const keyframe = { + time: frameTime, + position: new Vector3(), + rotation: new Quaternion() + }; + + bone.frames.push( keyframe ); + + const quat = new Quaternion(); + + const vx = new Vector3( 1, 0, 0 ); + const vy = new Vector3( 0, 1, 0 ); + const vz = new Vector3( 0, 0, 1 ); + + // parse values for each channel in node + + for ( let i = 0; i < bone.channels.length; i ++ ) { + + switch ( bone.channels[ i ] ) { + + case 'Xposition': + keyframe.position.x = parseFloat( data.shift().trim() ); + break; + case 'Yposition': + keyframe.position.y = parseFloat( data.shift().trim() ); + break; + case 'Zposition': + keyframe.position.z = parseFloat( data.shift().trim() ); + break; + case 'Xrotation': + quat.setFromAxisAngle( vx, parseFloat( data.shift().trim() ) * Math.PI / 180 ); + keyframe.rotation.multiply( quat ); + break; + case 'Yrotation': + quat.setFromAxisAngle( vy, parseFloat( data.shift().trim() ) * Math.PI / 180 ); + keyframe.rotation.multiply( quat ); + break; + case 'Zrotation': + quat.setFromAxisAngle( vz, parseFloat( data.shift().trim() ) * Math.PI / 180 ); + keyframe.rotation.multiply( quat ); + break; + default: + console.warn( 'THREE.BVHLoader: Invalid channel type.' ); + + } + + } + + // parse child nodes + + for ( let i = 0; i < bone.children.length; i ++ ) { + + readFrameData( data, frameTime, bone.children[ i ] ); + + } + + } + + /* + Recursively parses the HIERARCHY section of the BVH file + + - lines: all lines of the file. lines are consumed as we go along. + - firstline: line containing the node type and name e.g. 'JOINT hip' + - list: collects a flat list of nodes + + returns: a BVH node including children + */ + function readNode( lines, firstline, list ) { + + const node = { name: '', type: '', frames: [] }; + list.push( node ); + + // parse node type and name + + let tokens = firstline.split( /[\s]+/ ); + + if ( tokens[ 0 ].toUpperCase() === 'END' && tokens[ 1 ].toUpperCase() === 'SITE' ) { + + node.type = 'ENDSITE'; + node.name = 'ENDSITE'; // bvh end sites have no name + + } else { + + node.name = tokens[ 1 ]; + node.type = tokens[ 0 ].toUpperCase(); + + } + + if ( nextLine( lines ) !== '{' ) { + + console.error( 'THREE.BVHLoader: Expected opening { after type & name' ); + + } + + // parse OFFSET + + tokens = nextLine( lines ).split( /[\s]+/ ); + + if ( tokens[ 0 ] !== 'OFFSET' ) { + + console.error( 'THREE.BVHLoader: Expected OFFSET but got: ' + tokens[ 0 ] ); + + } + + if ( tokens.length !== 4 ) { + + console.error( 'THREE.BVHLoader: Invalid number of values for OFFSET.' ); + + } + + const offset = new Vector3( + parseFloat( tokens[ 1 ] ), + parseFloat( tokens[ 2 ] ), + parseFloat( tokens[ 3 ] ) + ); + + if ( isNaN( offset.x ) || isNaN( offset.y ) || isNaN( offset.z ) ) { + + console.error( 'THREE.BVHLoader: Invalid values of OFFSET.' ); + + } + + node.offset = offset; + + // parse CHANNELS definitions + + if ( node.type !== 'ENDSITE' ) { + + tokens = nextLine( lines ).split( /[\s]+/ ); + + if ( tokens[ 0 ] !== 'CHANNELS' ) { + + console.error( 'THREE.BVHLoader: Expected CHANNELS definition.' ); + + } + + const numChannels = parseInt( tokens[ 1 ] ); + node.channels = tokens.splice( 2, numChannels ); + node.children = []; + + } + + // read children + + while ( true ) { + + const line = nextLine( lines ); + + if ( line === '}' ) { + + return node; + + } else { + + node.children.push( readNode( lines, line, list ) ); + + } + + } + + } + + /* + recursively converts the internal bvh node structure to a Bone hierarchy + + source: the bvh root node + list: pass an empty array, collects a flat list of all converted THREE.Bones + + returns the root Bone + */ + function toTHREEBone( source, list ) { + + const bone = new Bone(); + list.push( bone ); + + bone.position.add( source.offset ); + bone.name = source.name; + + if ( source.type !== 'ENDSITE' ) { + + for ( let i = 0; i < source.children.length; i ++ ) { + + bone.add( toTHREEBone( source.children[ i ], list ) ); + + } + + } + + return bone; + + } + + /* + builds an AnimationClip from the keyframe data saved in each bone. + + bone: bvh root node + + returns: an AnimationClip containing position and quaternion tracks + */ + function toTHREEAnimation( bones ) { + + const tracks = []; + + // create a position and quaternion animation track for each node + + for ( let i = 0; i < bones.length; i ++ ) { + + const bone = bones[ i ]; + + if ( bone.type === 'ENDSITE' ) + continue; + + // track data + + const times = []; + const positions = []; + const rotations = []; + + for ( let j = 0; j < bone.frames.length; j ++ ) { + + const frame = bone.frames[ j ]; + + times.push( frame.time ); + + // the animation system animates the position property, + // so we have to add the joint offset to all values + + positions.push( frame.position.x + bone.offset.x ); + positions.push( frame.position.y + bone.offset.y ); + positions.push( frame.position.z + bone.offset.z ); + + rotations.push( frame.rotation.x ); + rotations.push( frame.rotation.y ); + rotations.push( frame.rotation.z ); + rotations.push( frame.rotation.w ); + + } + + if ( scope.animateBonePositions ) { + + tracks.push( new VectorKeyframeTrack( bone.name + '.position', times, positions ) ); + + } + + if ( scope.animateBoneRotations ) { + + tracks.push( new QuaternionKeyframeTrack( bone.name + '.quaternion', times, rotations ) ); + + } + + } + + return new AnimationClip( 'animation', - 1, tracks ); + + } + + /* + returns the next non-empty line in lines + */ + function nextLine( lines ) { + + let line; + // skip empty lines + while ( ( line = lines.shift().trim() ).length === 0 ) { } + + return line; + + } + + const scope = this; + + const lines = text.split( /[\r\n]+/g ); + + const bones = readBvh( lines ); + + const threeBones = []; + toTHREEBone( bones[ 0 ], threeBones ); + + const threeClip = toTHREEAnimation( bones ); + + return { + skeleton: new Skeleton( threeBones ), + clip: threeClip + }; + + } + +} + +export { BVHLoader }; diff --git a/node_modules/three/examples/jsm/loaders/ColladaLoader.js b/node_modules/three/examples/jsm/loaders/ColladaLoader.js new file mode 100644 index 0000000..f7a7c34 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/ColladaLoader.js @@ -0,0 +1,4155 @@ +import { + AmbientLight, + AnimationClip, + Bone, + BufferGeometry, + ClampToEdgeWrapping, + Color, + ColorManagement, + DirectionalLight, + DoubleSide, + FileLoader, + Float32BufferAttribute, + FrontSide, + Group, + Line, + LineBasicMaterial, + LineSegments, + Loader, + LoaderUtils, + MathUtils, + Matrix4, + Mesh, + MeshBasicMaterial, + MeshLambertMaterial, + MeshPhongMaterial, + OrthographicCamera, + PerspectiveCamera, + PointLight, + Quaternion, + QuaternionKeyframeTrack, + RepeatWrapping, + Scene, + Skeleton, + SkinnedMesh, + SpotLight, + TextureLoader, + Vector2, + Vector3, + VectorKeyframeTrack, + SRGBColorSpace +} from 'three'; +import { TGALoader } from '../loaders/TGALoader.js'; + +/** + * A loader for the Collada format. + * + * The Collada format is very complex so this loader only supports a subset of what + * is defined in the [official specification](https://www.khronos.org/files/collada_spec_1_5.pdf). + * + * Assets with a Z-UP coordinate system are transformed it into Y-UP by a simple rotation. + * The vertex data are not converted. + * + * ```js + * const loader = new ColladaLoader(); + * + * const result = await loader.loadAsync( './models/collada/elf/elf.dae' ); + * scene.add( result.scene ); + * ``` + * + * @augments Loader + * @three_import import { ColladaLoader } from 'three/addons/loaders/ColladaLoader.js'; + */ +class ColladaLoader extends Loader { + + /** + * Starts loading from the given URL and passes the loaded Collada asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({scene:Group,animations:Array,kinematics:Object})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const path = ( scope.path === '' ) ? LoaderUtils.extractUrlBase( url ) : scope.path; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text, path ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given Collada data and returns a result object holding the parsed scene, + * an array of animation clips and kinematics. + * + * @param {string} text - The raw Collada data as a string. + * @param {string} [path] - The asset path. + * @return {?{scene:Group,animations:Array,kinematics:Object}} An object representing the parsed asset. + */ + parse( text, path ) { + + function getElementsByTagName( xml, name ) { + + // Non recursive xml.getElementsByTagName() ... + + const array = []; + const childNodes = xml.childNodes; + + for ( let i = 0, l = childNodes.length; i < l; i ++ ) { + + const child = childNodes[ i ]; + + if ( child.nodeName === name ) { + + array.push( child ); + + } + + } + + return array; + + } + + function parseStrings( text ) { + + if ( text.length === 0 ) return []; + + const parts = text.trim().split( /\s+/ ); + const array = new Array( parts.length ); + + for ( let i = 0, l = parts.length; i < l; i ++ ) { + + array[ i ] = parts[ i ]; + + } + + return array; + + } + + function parseFloats( text ) { + + if ( text.length === 0 ) return []; + + const parts = text.trim().split( /\s+/ ); + const array = new Array( parts.length ); + + for ( let i = 0, l = parts.length; i < l; i ++ ) { + + array[ i ] = parseFloat( parts[ i ] ); + + } + + return array; + + } + + function parseInts( text ) { + + if ( text.length === 0 ) return []; + + const parts = text.trim().split( /\s+/ ); + const array = new Array( parts.length ); + + for ( let i = 0, l = parts.length; i < l; i ++ ) { + + array[ i ] = parseInt( parts[ i ] ); + + } + + return array; + + } + + function parseId( text ) { + + return text.substring( 1 ); + + } + + function generateId() { + + return 'three_default_' + ( count ++ ); + + } + + function isEmpty( object ) { + + return Object.keys( object ).length === 0; + + } + + // asset + + function parseAsset( xml ) { + + return { + unit: parseAssetUnit( getElementsByTagName( xml, 'unit' )[ 0 ] ), + upAxis: parseAssetUpAxis( getElementsByTagName( xml, 'up_axis' )[ 0 ] ) + }; + + } + + function parseAssetUnit( xml ) { + + if ( ( xml !== undefined ) && ( xml.hasAttribute( 'meter' ) === true ) ) { + + return parseFloat( xml.getAttribute( 'meter' ) ); + + } else { + + return 1; // default 1 meter + + } + + } + + function parseAssetUpAxis( xml ) { + + return xml !== undefined ? xml.textContent : 'Y_UP'; + + } + + // library + + function parseLibrary( xml, libraryName, nodeName, parser ) { + + const library = getElementsByTagName( xml, libraryName )[ 0 ]; + + if ( library !== undefined ) { + + const elements = getElementsByTagName( library, nodeName ); + + for ( let i = 0; i < elements.length; i ++ ) { + + parser( elements[ i ] ); + + } + + } + + } + + function buildLibrary( data, builder ) { + + for ( const name in data ) { + + const object = data[ name ]; + object.build = builder( data[ name ] ); + + } + + } + + // get + + function getBuild( data, builder ) { + + if ( data.build !== undefined ) return data.build; + + data.build = builder( data ); + + return data.build; + + } + + // animation + + function parseAnimation( xml ) { + + const data = { + sources: {}, + samplers: {}, + channels: {} + }; + + let hasChildren = false; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + let id; + + switch ( child.nodeName ) { + + case 'source': + id = child.getAttribute( 'id' ); + data.sources[ id ] = parseSource( child ); + break; + + case 'sampler': + id = child.getAttribute( 'id' ); + data.samplers[ id ] = parseAnimationSampler( child ); + break; + + case 'channel': + id = child.getAttribute( 'target' ); + data.channels[ id ] = parseAnimationChannel( child ); + break; + + case 'animation': + // hierarchy of related animations + parseAnimation( child ); + hasChildren = true; + break; + + default: + console.log( child ); + + } + + } + + if ( hasChildren === false ) { + + // since 'id' attributes can be optional, it's necessary to generate a UUID for unique assignment + + library.animations[ xml.getAttribute( 'id' ) || MathUtils.generateUUID() ] = data; + + } + + } + + function parseAnimationSampler( xml ) { + + const data = { + inputs: {}, + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'input': + const id = parseId( child.getAttribute( 'source' ) ); + const semantic = child.getAttribute( 'semantic' ); + data.inputs[ semantic ] = id; + break; + + } + + } + + return data; + + } + + function parseAnimationChannel( xml ) { + + const data = {}; + + const target = xml.getAttribute( 'target' ); + + // parsing SID Addressing Syntax + + let parts = target.split( '/' ); + + const id = parts.shift(); + let sid = parts.shift(); + + // check selection syntax + + const arraySyntax = ( sid.indexOf( '(' ) !== - 1 ); + const memberSyntax = ( sid.indexOf( '.' ) !== - 1 ); + + if ( memberSyntax ) { + + // member selection access + + parts = sid.split( '.' ); + sid = parts.shift(); + data.member = parts.shift(); + + } else if ( arraySyntax ) { + + // array-access syntax. can be used to express fields in one-dimensional vectors or two-dimensional matrices. + + const indices = sid.split( '(' ); + sid = indices.shift(); + + for ( let i = 0; i < indices.length; i ++ ) { + + indices[ i ] = parseInt( indices[ i ].replace( /\)/, '' ) ); + + } + + data.indices = indices; + + } + + data.id = id; + data.sid = sid; + + data.arraySyntax = arraySyntax; + data.memberSyntax = memberSyntax; + + data.sampler = parseId( xml.getAttribute( 'source' ) ); + + return data; + + } + + function buildAnimation( data ) { + + const tracks = []; + + const channels = data.channels; + const samplers = data.samplers; + const sources = data.sources; + + for ( const target in channels ) { + + if ( channels.hasOwnProperty( target ) ) { + + const channel = channels[ target ]; + const sampler = samplers[ channel.sampler ]; + + const inputId = sampler.inputs.INPUT; + const outputId = sampler.inputs.OUTPUT; + + const inputSource = sources[ inputId ]; + const outputSource = sources[ outputId ]; + + const animation = buildAnimationChannel( channel, inputSource, outputSource ); + + createKeyframeTracks( animation, tracks ); + + } + + } + + return tracks; + + } + + function getAnimation( id ) { + + return getBuild( library.animations[ id ], buildAnimation ); + + } + + function buildAnimationChannel( channel, inputSource, outputSource ) { + + const node = library.nodes[ channel.id ]; + const object3D = getNode( node.id ); + + const transform = node.transforms[ channel.sid ]; + const defaultMatrix = node.matrix.clone().transpose(); + + let time, stride; + let i, il, j, jl; + + const data = {}; + + // the collada spec allows the animation of data in various ways. + // depending on the transform type (matrix, translate, rotate, scale), we execute different logic + + switch ( transform ) { + + case 'matrix': + + for ( i = 0, il = inputSource.array.length; i < il; i ++ ) { + + time = inputSource.array[ i ]; + stride = i * outputSource.stride; + + if ( data[ time ] === undefined ) data[ time ] = {}; + + if ( channel.arraySyntax === true ) { + + const value = outputSource.array[ stride ]; + const index = channel.indices[ 0 ] + 4 * channel.indices[ 1 ]; + + data[ time ][ index ] = value; + + } else { + + for ( j = 0, jl = outputSource.stride; j < jl; j ++ ) { + + data[ time ][ j ] = outputSource.array[ stride + j ]; + + } + + } + + } + + break; + + case 'translate': + console.warn( 'THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform ); + break; + + case 'rotate': + console.warn( 'THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform ); + break; + + case 'scale': + console.warn( 'THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform ); + break; + + } + + const keyframes = prepareAnimationData( data, defaultMatrix ); + + const animation = { + name: object3D.uuid, + keyframes: keyframes + }; + + return animation; + + } + + function prepareAnimationData( data, defaultMatrix ) { + + const keyframes = []; + + // transfer data into a sortable array + + for ( const time in data ) { + + keyframes.push( { time: parseFloat( time ), value: data[ time ] } ); + + } + + // ensure keyframes are sorted by time + + keyframes.sort( ascending ); + + // now we clean up all animation data, so we can use them for keyframe tracks + + for ( let i = 0; i < 16; i ++ ) { + + transformAnimationData( keyframes, i, defaultMatrix.elements[ i ] ); + + } + + return keyframes; + + // array sort function + + function ascending( a, b ) { + + return a.time - b.time; + + } + + } + + const position = new Vector3(); + const scale = new Vector3(); + const quaternion = new Quaternion(); + + function createKeyframeTracks( animation, tracks ) { + + const keyframes = animation.keyframes; + const name = animation.name; + + const times = []; + const positionData = []; + const quaternionData = []; + const scaleData = []; + + for ( let i = 0, l = keyframes.length; i < l; i ++ ) { + + const keyframe = keyframes[ i ]; + + const time = keyframe.time; + const value = keyframe.value; + + matrix.fromArray( value ).transpose(); + matrix.decompose( position, quaternion, scale ); + + times.push( time ); + positionData.push( position.x, position.y, position.z ); + quaternionData.push( quaternion.x, quaternion.y, quaternion.z, quaternion.w ); + scaleData.push( scale.x, scale.y, scale.z ); + + } + + if ( positionData.length > 0 ) tracks.push( new VectorKeyframeTrack( name + '.position', times, positionData ) ); + if ( quaternionData.length > 0 ) tracks.push( new QuaternionKeyframeTrack( name + '.quaternion', times, quaternionData ) ); + if ( scaleData.length > 0 ) tracks.push( new VectorKeyframeTrack( name + '.scale', times, scaleData ) ); + + return tracks; + + } + + function transformAnimationData( keyframes, property, defaultValue ) { + + let keyframe; + + let empty = true; + let i, l; + + // check, if values of a property are missing in our keyframes + + for ( i = 0, l = keyframes.length; i < l; i ++ ) { + + keyframe = keyframes[ i ]; + + if ( keyframe.value[ property ] === undefined ) { + + keyframe.value[ property ] = null; // mark as missing + + } else { + + empty = false; + + } + + } + + if ( empty === true ) { + + // no values at all, so we set a default value + + for ( i = 0, l = keyframes.length; i < l; i ++ ) { + + keyframe = keyframes[ i ]; + + keyframe.value[ property ] = defaultValue; + + } + + } else { + + // filling gaps + + createMissingKeyframes( keyframes, property ); + + } + + } + + function createMissingKeyframes( keyframes, property ) { + + let prev, next; + + for ( let i = 0, l = keyframes.length; i < l; i ++ ) { + + const keyframe = keyframes[ i ]; + + if ( keyframe.value[ property ] === null ) { + + prev = getPrev( keyframes, i, property ); + next = getNext( keyframes, i, property ); + + if ( prev === null ) { + + keyframe.value[ property ] = next.value[ property ]; + continue; + + } + + if ( next === null ) { + + keyframe.value[ property ] = prev.value[ property ]; + continue; + + } + + interpolate( keyframe, prev, next, property ); + + } + + } + + } + + function getPrev( keyframes, i, property ) { + + while ( i >= 0 ) { + + const keyframe = keyframes[ i ]; + + if ( keyframe.value[ property ] !== null ) return keyframe; + + i --; + + } + + return null; + + } + + function getNext( keyframes, i, property ) { + + while ( i < keyframes.length ) { + + const keyframe = keyframes[ i ]; + + if ( keyframe.value[ property ] !== null ) return keyframe; + + i ++; + + } + + return null; + + } + + function interpolate( key, prev, next, property ) { + + if ( ( next.time - prev.time ) === 0 ) { + + key.value[ property ] = prev.value[ property ]; + return; + + } + + key.value[ property ] = ( ( key.time - prev.time ) * ( next.value[ property ] - prev.value[ property ] ) / ( next.time - prev.time ) ) + prev.value[ property ]; + + } + + // animation clips + + function parseAnimationClip( xml ) { + + const data = { + name: xml.getAttribute( 'id' ) || 'default', + start: parseFloat( xml.getAttribute( 'start' ) || 0 ), + end: parseFloat( xml.getAttribute( 'end' ) || 0 ), + animations: [] + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'instance_animation': + data.animations.push( parseId( child.getAttribute( 'url' ) ) ); + break; + + } + + } + + library.clips[ xml.getAttribute( 'id' ) ] = data; + + } + + function buildAnimationClip( data ) { + + const tracks = []; + + const name = data.name; + const duration = ( data.end - data.start ) || - 1; + const animations = data.animations; + + for ( let i = 0, il = animations.length; i < il; i ++ ) { + + const animationTracks = getAnimation( animations[ i ] ); + + for ( let j = 0, jl = animationTracks.length; j < jl; j ++ ) { + + tracks.push( animationTracks[ j ] ); + + } + + } + + return new AnimationClip( name, duration, tracks ); + + } + + function getAnimationClip( id ) { + + return getBuild( library.clips[ id ], buildAnimationClip ); + + } + + // controller + + function parseController( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'skin': + // there is exactly one skin per controller + data.id = parseId( child.getAttribute( 'source' ) ); + data.skin = parseSkin( child ); + break; + + case 'morph': + data.id = parseId( child.getAttribute( 'source' ) ); + console.warn( 'THREE.ColladaLoader: Morph target animation not supported yet.' ); + break; + + } + + } + + library.controllers[ xml.getAttribute( 'id' ) ] = data; + + } + + function parseSkin( xml ) { + + const data = { + sources: {} + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'bind_shape_matrix': + data.bindShapeMatrix = parseFloats( child.textContent ); + break; + + case 'source': + const id = child.getAttribute( 'id' ); + data.sources[ id ] = parseSource( child ); + break; + + case 'joints': + data.joints = parseJoints( child ); + break; + + case 'vertex_weights': + data.vertexWeights = parseVertexWeights( child ); + break; + + } + + } + + return data; + + } + + function parseJoints( xml ) { + + const data = { + inputs: {} + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'input': + const semantic = child.getAttribute( 'semantic' ); + const id = parseId( child.getAttribute( 'source' ) ); + data.inputs[ semantic ] = id; + break; + + } + + } + + return data; + + } + + function parseVertexWeights( xml ) { + + const data = { + inputs: {} + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'input': + const semantic = child.getAttribute( 'semantic' ); + const id = parseId( child.getAttribute( 'source' ) ); + const offset = parseInt( child.getAttribute( 'offset' ) ); + data.inputs[ semantic ] = { id: id, offset: offset }; + break; + + case 'vcount': + data.vcount = parseInts( child.textContent ); + break; + + case 'v': + data.v = parseInts( child.textContent ); + break; + + } + + } + + return data; + + } + + function buildController( data ) { + + const build = { + id: data.id + }; + + const geometry = library.geometries[ build.id ]; + + if ( data.skin !== undefined ) { + + build.skin = buildSkin( data.skin ); + + // we enhance the 'sources' property of the corresponding geometry with our skin data + + geometry.sources.skinIndices = build.skin.indices; + geometry.sources.skinWeights = build.skin.weights; + + } + + return build; + + } + + function buildSkin( data ) { + + const BONE_LIMIT = 4; + + const build = { + joints: [], // this must be an array to preserve the joint order + indices: { + array: [], + stride: BONE_LIMIT + }, + weights: { + array: [], + stride: BONE_LIMIT + } + }; + + const sources = data.sources; + const vertexWeights = data.vertexWeights; + + const vcount = vertexWeights.vcount; + const v = vertexWeights.v; + const jointOffset = vertexWeights.inputs.JOINT.offset; + const weightOffset = vertexWeights.inputs.WEIGHT.offset; + + const jointSource = data.sources[ data.joints.inputs.JOINT ]; + const inverseSource = data.sources[ data.joints.inputs.INV_BIND_MATRIX ]; + + const weights = sources[ vertexWeights.inputs.WEIGHT.id ].array; + let stride = 0; + + let i, j, l; + + // process skin data for each vertex + + for ( i = 0, l = vcount.length; i < l; i ++ ) { + + const jointCount = vcount[ i ]; // this is the amount of joints that affect a single vertex + const vertexSkinData = []; + + for ( j = 0; j < jointCount; j ++ ) { + + const skinIndex = v[ stride + jointOffset ]; + const weightId = v[ stride + weightOffset ]; + const skinWeight = weights[ weightId ]; + + vertexSkinData.push( { index: skinIndex, weight: skinWeight } ); + + stride += 2; + + } + + // we sort the joints in descending order based on the weights. + // this ensures, we only proceed the most important joints of the vertex + + vertexSkinData.sort( descending ); + + // now we provide for each vertex a set of four index and weight values. + // the order of the skin data matches the order of vertices + + for ( j = 0; j < BONE_LIMIT; j ++ ) { + + const d = vertexSkinData[ j ]; + + if ( d !== undefined ) { + + build.indices.array.push( d.index ); + build.weights.array.push( d.weight ); + + } else { + + build.indices.array.push( 0 ); + build.weights.array.push( 0 ); + + } + + } + + } + + // setup bind matrix + + if ( data.bindShapeMatrix ) { + + build.bindMatrix = new Matrix4().fromArray( data.bindShapeMatrix ).transpose(); + + } else { + + build.bindMatrix = new Matrix4().identity(); + + } + + // process bones and inverse bind matrix data + + for ( i = 0, l = jointSource.array.length; i < l; i ++ ) { + + const name = jointSource.array[ i ]; + const boneInverse = new Matrix4().fromArray( inverseSource.array, i * inverseSource.stride ).transpose(); + + build.joints.push( { name: name, boneInverse: boneInverse } ); + + } + + return build; + + // array sort function + + function descending( a, b ) { + + return b.weight - a.weight; + + } + + } + + function getController( id ) { + + return getBuild( library.controllers[ id ], buildController ); + + } + + // image + + function parseImage( xml ) { + + const data = { + init_from: getElementsByTagName( xml, 'init_from' )[ 0 ].textContent + }; + + library.images[ xml.getAttribute( 'id' ) ] = data; + + } + + function buildImage( data ) { + + if ( data.build !== undefined ) return data.build; + + return data.init_from; + + } + + function getImage( id ) { + + const data = library.images[ id ]; + + if ( data !== undefined ) { + + return getBuild( data, buildImage ); + + } + + console.warn( 'THREE.ColladaLoader: Couldn\'t find image with ID:', id ); + + return null; + + } + + // effect + + function parseEffect( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'profile_COMMON': + data.profile = parseEffectProfileCOMMON( child ); + break; + + } + + } + + library.effects[ xml.getAttribute( 'id' ) ] = data; + + } + + function parseEffectProfileCOMMON( xml ) { + + const data = { + surfaces: {}, + samplers: {} + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'newparam': + parseEffectNewparam( child, data ); + break; + + case 'technique': + data.technique = parseEffectTechnique( child ); + break; + + case 'extra': + data.extra = parseEffectExtra( child ); + break; + + } + + } + + return data; + + } + + function parseEffectNewparam( xml, data ) { + + const sid = xml.getAttribute( 'sid' ); + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'surface': + data.surfaces[ sid ] = parseEffectSurface( child ); + break; + + case 'sampler2D': + data.samplers[ sid ] = parseEffectSampler( child ); + break; + + } + + } + + } + + function parseEffectSurface( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'init_from': + data.init_from = child.textContent; + break; + + } + + } + + return data; + + } + + function parseEffectSampler( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'source': + data.source = child.textContent; + break; + + } + + } + + return data; + + } + + function parseEffectTechnique( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'constant': + case 'lambert': + case 'blinn': + case 'phong': + data.type = child.nodeName; + data.parameters = parseEffectParameters( child ); + break; + + case 'extra': + data.extra = parseEffectExtra( child ); + break; + + } + + } + + return data; + + } + + function parseEffectParameters( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'emission': + case 'diffuse': + case 'specular': + case 'bump': + case 'ambient': + case 'shininess': + case 'transparency': + data[ child.nodeName ] = parseEffectParameter( child ); + break; + case 'transparent': + data[ child.nodeName ] = { + opaque: child.hasAttribute( 'opaque' ) ? child.getAttribute( 'opaque' ) : 'A_ONE', + data: parseEffectParameter( child ) + }; + break; + + } + + } + + return data; + + } + + function parseEffectParameter( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'color': + data[ child.nodeName ] = parseFloats( child.textContent ); + break; + + case 'float': + data[ child.nodeName ] = parseFloat( child.textContent ); + break; + + case 'texture': + data[ child.nodeName ] = { id: child.getAttribute( 'texture' ), extra: parseEffectParameterTexture( child ) }; + break; + + } + + } + + return data; + + } + + function parseEffectParameterTexture( xml ) { + + const data = { + technique: {} + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'extra': + parseEffectParameterTextureExtra( child, data ); + break; + + } + + } + + return data; + + } + + function parseEffectParameterTextureExtra( xml, data ) { + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'technique': + parseEffectParameterTextureExtraTechnique( child, data ); + break; + + } + + } + + } + + function parseEffectParameterTextureExtraTechnique( xml, data ) { + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'repeatU': + case 'repeatV': + case 'offsetU': + case 'offsetV': + data.technique[ child.nodeName ] = parseFloat( child.textContent ); + break; + + case 'wrapU': + case 'wrapV': + + // some files have values for wrapU/wrapV which become NaN via parseInt + + if ( child.textContent.toUpperCase() === 'TRUE' ) { + + data.technique[ child.nodeName ] = 1; + + } else if ( child.textContent.toUpperCase() === 'FALSE' ) { + + data.technique[ child.nodeName ] = 0; + + } else { + + data.technique[ child.nodeName ] = parseInt( child.textContent ); + + } + + break; + + case 'bump': + data[ child.nodeName ] = parseEffectExtraTechniqueBump( child ); + break; + + } + + } + + } + + function parseEffectExtra( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'technique': + data.technique = parseEffectExtraTechnique( child ); + break; + + } + + } + + return data; + + } + + function parseEffectExtraTechnique( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'double_sided': + data[ child.nodeName ] = parseInt( child.textContent ); + break; + + case 'bump': + data[ child.nodeName ] = parseEffectExtraTechniqueBump( child ); + break; + + } + + } + + return data; + + } + + function parseEffectExtraTechniqueBump( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'texture': + data[ child.nodeName ] = { id: child.getAttribute( 'texture' ), texcoord: child.getAttribute( 'texcoord' ), extra: parseEffectParameterTexture( child ) }; + break; + + } + + } + + return data; + + } + + function buildEffect( data ) { + + return data; + + } + + function getEffect( id ) { + + return getBuild( library.effects[ id ], buildEffect ); + + } + + // material + + function parseMaterial( xml ) { + + const data = { + name: xml.getAttribute( 'name' ) + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'instance_effect': + data.url = parseId( child.getAttribute( 'url' ) ); + break; + + } + + } + + library.materials[ xml.getAttribute( 'id' ) ] = data; + + } + + function getTextureLoader( image ) { + + let loader; + + let extension = image.slice( ( image.lastIndexOf( '.' ) - 1 >>> 0 ) + 2 ); // http://www.jstips.co/en/javascript/get-file-extension/ + extension = extension.toLowerCase(); + + switch ( extension ) { + + case 'tga': + loader = tgaLoader; + break; + + default: + loader = textureLoader; + + } + + return loader; + + } + + function buildMaterial( data ) { + + const effect = getEffect( data.url ); + const technique = effect.profile.technique; + + let material; + + switch ( technique.type ) { + + case 'phong': + case 'blinn': + material = new MeshPhongMaterial(); + break; + + case 'lambert': + material = new MeshLambertMaterial(); + break; + + default: + material = new MeshBasicMaterial(); + break; + + } + + material.name = data.name || ''; + + function getTexture( textureObject, colorSpace = null ) { + + const sampler = effect.profile.samplers[ textureObject.id ]; + let image = null; + + // get image + + if ( sampler !== undefined ) { + + const surface = effect.profile.surfaces[ sampler.source ]; + image = getImage( surface.init_from ); + + } else { + + console.warn( 'THREE.ColladaLoader: Undefined sampler. Access image directly (see #12530).' ); + image = getImage( textureObject.id ); + + } + + // create texture if image is available + + if ( image !== null ) { + + const loader = getTextureLoader( image ); + + if ( loader !== undefined ) { + + const texture = loader.load( image ); + + const extra = textureObject.extra; + + if ( extra !== undefined && extra.technique !== undefined && isEmpty( extra.technique ) === false ) { + + const technique = extra.technique; + + texture.wrapS = technique.wrapU ? RepeatWrapping : ClampToEdgeWrapping; + texture.wrapT = technique.wrapV ? RepeatWrapping : ClampToEdgeWrapping; + + texture.offset.set( technique.offsetU || 0, technique.offsetV || 0 ); + texture.repeat.set( technique.repeatU || 1, technique.repeatV || 1 ); + + } else { + + texture.wrapS = RepeatWrapping; + texture.wrapT = RepeatWrapping; + + } + + if ( colorSpace !== null ) { + + texture.colorSpace = colorSpace; + + } + + return texture; + + } else { + + console.warn( 'THREE.ColladaLoader: Loader for texture %s not found.', image ); + + return null; + + } + + } else { + + console.warn( 'THREE.ColladaLoader: Couldn\'t create texture with ID:', textureObject.id ); + + return null; + + } + + } + + const parameters = technique.parameters; + + for ( const key in parameters ) { + + const parameter = parameters[ key ]; + + switch ( key ) { + + case 'diffuse': + if ( parameter.color ) material.color.fromArray( parameter.color ); + if ( parameter.texture ) material.map = getTexture( parameter.texture, SRGBColorSpace ); + break; + case 'specular': + if ( parameter.color && material.specular ) material.specular.fromArray( parameter.color ); + if ( parameter.texture ) material.specularMap = getTexture( parameter.texture ); + break; + case 'bump': + if ( parameter.texture ) material.normalMap = getTexture( parameter.texture ); + break; + case 'ambient': + if ( parameter.texture ) material.lightMap = getTexture( parameter.texture, SRGBColorSpace ); + break; + case 'shininess': + if ( parameter.float && material.shininess ) material.shininess = parameter.float; + break; + case 'emission': + if ( parameter.color && material.emissive ) material.emissive.fromArray( parameter.color ); + if ( parameter.texture ) material.emissiveMap = getTexture( parameter.texture, SRGBColorSpace ); + break; + + } + + } + + ColorManagement.colorSpaceToWorking( material.color, SRGBColorSpace ); + if ( material.specular ) ColorManagement.colorSpaceToWorking( material.specular, SRGBColorSpace ); + if ( material.emissive ) ColorManagement.colorSpaceToWorking( material.emissive, SRGBColorSpace ); + + // + + let transparent = parameters[ 'transparent' ]; + let transparency = parameters[ 'transparency' ]; + + // does not exist but + + if ( transparency === undefined && transparent ) { + + transparency = { + float: 1 + }; + + } + + // does not exist but + + if ( transparent === undefined && transparency ) { + + transparent = { + opaque: 'A_ONE', + data: { + color: [ 1, 1, 1, 1 ] + } }; + + } + + if ( transparent && transparency ) { + + // handle case if a texture exists but no color + + if ( transparent.data.texture ) { + + // we do not set an alpha map (see #13792) + + material.transparent = true; + + } else { + + const color = transparent.data.color; + + switch ( transparent.opaque ) { + + case 'A_ONE': + material.opacity = color[ 3 ] * transparency.float; + break; + case 'RGB_ZERO': + material.opacity = 1 - ( color[ 0 ] * transparency.float ); + break; + case 'A_ZERO': + material.opacity = 1 - ( color[ 3 ] * transparency.float ); + break; + case 'RGB_ONE': + material.opacity = color[ 0 ] * transparency.float; + break; + default: + console.warn( 'THREE.ColladaLoader: Invalid opaque type "%s" of transparent tag.', transparent.opaque ); + + } + + if ( material.opacity < 1 ) material.transparent = true; + + } + + } + + // + + + if ( technique.extra !== undefined && technique.extra.technique !== undefined ) { + + const techniques = technique.extra.technique; + + for ( const k in techniques ) { + + const v = techniques[ k ]; + + switch ( k ) { + + case 'double_sided': + material.side = ( v === 1 ? DoubleSide : FrontSide ); + break; + + case 'bump': + material.normalMap = getTexture( v.texture ); + material.normalScale = new Vector2( 1, 1 ); + break; + + } + + } + + } + + return material; + + } + + function getMaterial( id ) { + + return getBuild( library.materials[ id ], buildMaterial ); + + } + + // camera + + function parseCamera( xml ) { + + const data = { + name: xml.getAttribute( 'name' ) + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'optics': + data.optics = parseCameraOptics( child ); + break; + + } + + } + + library.cameras[ xml.getAttribute( 'id' ) ] = data; + + } + + function parseCameraOptics( xml ) { + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + switch ( child.nodeName ) { + + case 'technique_common': + return parseCameraTechnique( child ); + + } + + } + + return {}; + + } + + function parseCameraTechnique( xml ) { + + const data = {}; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + switch ( child.nodeName ) { + + case 'perspective': + case 'orthographic': + + data.technique = child.nodeName; + data.parameters = parseCameraParameters( child ); + + break; + + } + + } + + return data; + + } + + function parseCameraParameters( xml ) { + + const data = {}; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + switch ( child.nodeName ) { + + case 'xfov': + case 'yfov': + case 'xmag': + case 'ymag': + case 'znear': + case 'zfar': + case 'aspect_ratio': + data[ child.nodeName ] = parseFloat( child.textContent ); + break; + + } + + } + + return data; + + } + + function buildCamera( data ) { + + let camera; + + switch ( data.optics.technique ) { + + case 'perspective': + camera = new PerspectiveCamera( + data.optics.parameters.yfov, + data.optics.parameters.aspect_ratio, + data.optics.parameters.znear, + data.optics.parameters.zfar + ); + break; + + case 'orthographic': + let ymag = data.optics.parameters.ymag; + let xmag = data.optics.parameters.xmag; + const aspectRatio = data.optics.parameters.aspect_ratio; + + xmag = ( xmag === undefined ) ? ( ymag * aspectRatio ) : xmag; + ymag = ( ymag === undefined ) ? ( xmag / aspectRatio ) : ymag; + + xmag *= 0.5; + ymag *= 0.5; + + camera = new OrthographicCamera( + - xmag, xmag, ymag, - ymag, // left, right, top, bottom + data.optics.parameters.znear, + data.optics.parameters.zfar + ); + break; + + default: + camera = new PerspectiveCamera(); + break; + + } + + camera.name = data.name || ''; + + return camera; + + } + + function getCamera( id ) { + + const data = library.cameras[ id ]; + + if ( data !== undefined ) { + + return getBuild( data, buildCamera ); + + } + + console.warn( 'THREE.ColladaLoader: Couldn\'t find camera with ID:', id ); + + return null; + + } + + // light + + function parseLight( xml ) { + + let data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'technique_common': + data = parseLightTechnique( child ); + break; + + } + + } + + library.lights[ xml.getAttribute( 'id' ) ] = data; + + } + + function parseLightTechnique( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'directional': + case 'point': + case 'spot': + case 'ambient': + + data.technique = child.nodeName; + data.parameters = parseLightParameters( child ); + + } + + } + + return data; + + } + + function parseLightParameters( xml ) { + + const data = {}; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'color': + const array = parseFloats( child.textContent ); + data.color = new Color().fromArray( array ); + ColorManagement.colorSpaceToWorking( data.color, SRGBColorSpace ); + break; + + case 'falloff_angle': + data.falloffAngle = parseFloat( child.textContent ); + break; + + case 'quadratic_attenuation': + const f = parseFloat( child.textContent ); + data.distance = f ? Math.sqrt( 1 / f ) : 0; + break; + + } + + } + + return data; + + } + + function buildLight( data ) { + + let light; + + switch ( data.technique ) { + + case 'directional': + light = new DirectionalLight(); + break; + + case 'point': + light = new PointLight(); + break; + + case 'spot': + light = new SpotLight(); + break; + + case 'ambient': + light = new AmbientLight(); + break; + + } + + if ( data.parameters.color ) light.color.copy( data.parameters.color ); + if ( data.parameters.distance ) light.distance = data.parameters.distance; + + return light; + + } + + function getLight( id ) { + + const data = library.lights[ id ]; + + if ( data !== undefined ) { + + return getBuild( data, buildLight ); + + } + + console.warn( 'THREE.ColladaLoader: Couldn\'t find light with ID:', id ); + + return null; + + } + + // geometry + + function parseGeometry( xml ) { + + const data = { + name: xml.getAttribute( 'name' ), + sources: {}, + vertices: {}, + primitives: [] + }; + + const mesh = getElementsByTagName( xml, 'mesh' )[ 0 ]; + + // the following tags inside geometry are not supported yet (see https://github.com/mrdoob/three.js/pull/12606): convex_mesh, spline, brep + if ( mesh === undefined ) return; + + for ( let i = 0; i < mesh.childNodes.length; i ++ ) { + + const child = mesh.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + const id = child.getAttribute( 'id' ); + + switch ( child.nodeName ) { + + case 'source': + data.sources[ id ] = parseSource( child ); + break; + + case 'vertices': + // data.sources[ id ] = data.sources[ parseId( getElementsByTagName( child, 'input' )[ 0 ].getAttribute( 'source' ) ) ]; + data.vertices = parseGeometryVertices( child ); + break; + + case 'polygons': + console.warn( 'THREE.ColladaLoader: Unsupported primitive type: ', child.nodeName ); + break; + + case 'lines': + case 'linestrips': + case 'polylist': + case 'triangles': + data.primitives.push( parseGeometryPrimitive( child ) ); + break; + + default: + console.log( child ); + + } + + } + + library.geometries[ xml.getAttribute( 'id' ) ] = data; + + } + + function parseSource( xml ) { + + const data = { + array: [], + stride: 3 + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'float_array': + data.array = parseFloats( child.textContent ); + break; + + case 'Name_array': + data.array = parseStrings( child.textContent ); + break; + + case 'technique_common': + const accessor = getElementsByTagName( child, 'accessor' )[ 0 ]; + + if ( accessor !== undefined ) { + + data.stride = parseInt( accessor.getAttribute( 'stride' ) ); + + } + + break; + + } + + } + + return data; + + } + + function parseGeometryVertices( xml ) { + + const data = {}; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + data[ child.getAttribute( 'semantic' ) ] = parseId( child.getAttribute( 'source' ) ); + + } + + return data; + + } + + function parseGeometryPrimitive( xml ) { + + const primitive = { + type: xml.nodeName, + material: xml.getAttribute( 'material' ), + count: parseInt( xml.getAttribute( 'count' ) ), + inputs: {}, + stride: 0, + hasUV: false + }; + + for ( let i = 0, l = xml.childNodes.length; i < l; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'input': + const id = parseId( child.getAttribute( 'source' ) ); + const semantic = child.getAttribute( 'semantic' ); + const offset = parseInt( child.getAttribute( 'offset' ) ); + const set = parseInt( child.getAttribute( 'set' ) ); + const inputname = ( set > 0 ? semantic + set : semantic ); + primitive.inputs[ inputname ] = { id: id, offset: offset }; + primitive.stride = Math.max( primitive.stride, offset + 1 ); + if ( semantic === 'TEXCOORD' ) primitive.hasUV = true; + break; + + case 'vcount': + primitive.vcount = parseInts( child.textContent ); + break; + + case 'p': + primitive.p = parseInts( child.textContent ); + break; + + } + + } + + return primitive; + + } + + function groupPrimitives( primitives ) { + + const build = {}; + + for ( let i = 0; i < primitives.length; i ++ ) { + + const primitive = primitives[ i ]; + + if ( build[ primitive.type ] === undefined ) build[ primitive.type ] = []; + + build[ primitive.type ].push( primitive ); + + } + + return build; + + } + + function checkUVCoordinates( primitives ) { + + let count = 0; + + for ( let i = 0, l = primitives.length; i < l; i ++ ) { + + const primitive = primitives[ i ]; + + if ( primitive.hasUV === true ) { + + count ++; + + } + + } + + if ( count > 0 && count < primitives.length ) { + + primitives.uvsNeedsFix = true; + + } + + } + + function buildGeometry( data ) { + + const build = {}; + + const sources = data.sources; + const vertices = data.vertices; + const primitives = data.primitives; + + if ( primitives.length === 0 ) return {}; + + // our goal is to create one buffer geometry for a single type of primitives + // first, we group all primitives by their type + + const groupedPrimitives = groupPrimitives( primitives ); + + for ( const type in groupedPrimitives ) { + + const primitiveType = groupedPrimitives[ type ]; + + // second, ensure consistent uv coordinates for each type of primitives (polylist,triangles or lines) + + checkUVCoordinates( primitiveType ); + + // third, create a buffer geometry for each type of primitives + + build[ type ] = buildGeometryType( primitiveType, sources, vertices ); + + } + + return build; + + } + + function buildGeometryType( primitives, sources, vertices ) { + + const build = {}; + + const position = { array: [], stride: 0 }; + const normal = { array: [], stride: 0 }; + const uv = { array: [], stride: 0 }; + const uv1 = { array: [], stride: 0 }; + const color = { array: [], stride: 0 }; + + const skinIndex = { array: [], stride: 4 }; + const skinWeight = { array: [], stride: 4 }; + + const geometry = new BufferGeometry(); + + const materialKeys = []; + + let start = 0; + + for ( let p = 0; p < primitives.length; p ++ ) { + + const primitive = primitives[ p ]; + const inputs = primitive.inputs; + + // groups + + let count = 0; + + switch ( primitive.type ) { + + case 'lines': + case 'linestrips': + count = primitive.count * 2; + break; + + case 'triangles': + count = primitive.count * 3; + break; + + case 'polylist': + + for ( let g = 0; g < primitive.count; g ++ ) { + + const vc = primitive.vcount[ g ]; + + switch ( vc ) { + + case 3: + count += 3; // single triangle + break; + + case 4: + count += 6; // quad, subdivided into two triangles + break; + + default: + count += ( vc - 2 ) * 3; // polylist with more than four vertices + break; + + } + + } + + break; + + default: + console.warn( 'THREE.ColladaLoader: Unknown primitive type:', primitive.type ); + + } + + geometry.addGroup( start, count, p ); + start += count; + + // material + + if ( primitive.material ) { + + materialKeys.push( primitive.material ); + + } + + // geometry data + + for ( const name in inputs ) { + + const input = inputs[ name ]; + + switch ( name ) { + + case 'VERTEX': + for ( const key in vertices ) { + + const id = vertices[ key ]; + + switch ( key ) { + + case 'POSITION': + const prevLength = position.array.length; + buildGeometryData( primitive, sources[ id ], input.offset, position.array ); + position.stride = sources[ id ].stride; + + if ( sources.skinWeights && sources.skinIndices ) { + + buildGeometryData( primitive, sources.skinIndices, input.offset, skinIndex.array ); + buildGeometryData( primitive, sources.skinWeights, input.offset, skinWeight.array ); + + } + + // see #3803 + + if ( primitive.hasUV === false && primitives.uvsNeedsFix === true ) { + + const count = ( position.array.length - prevLength ) / position.stride; + + for ( let i = 0; i < count; i ++ ) { + + // fill missing uv coordinates + + uv.array.push( 0, 0 ); + + } + + } + + break; + + case 'NORMAL': + buildGeometryData( primitive, sources[ id ], input.offset, normal.array ); + normal.stride = sources[ id ].stride; + break; + + case 'COLOR': + buildGeometryData( primitive, sources[ id ], input.offset, color.array ); + color.stride = sources[ id ].stride; + break; + + case 'TEXCOORD': + buildGeometryData( primitive, sources[ id ], input.offset, uv.array ); + uv.stride = sources[ id ].stride; + break; + + case 'TEXCOORD1': + buildGeometryData( primitive, sources[ id ], input.offset, uv1.array ); + uv.stride = sources[ id ].stride; + break; + + default: + console.warn( 'THREE.ColladaLoader: Semantic "%s" not handled in geometry build process.', key ); + + } + + } + + break; + + case 'NORMAL': + buildGeometryData( primitive, sources[ input.id ], input.offset, normal.array ); + normal.stride = sources[ input.id ].stride; + break; + + case 'COLOR': + buildGeometryData( primitive, sources[ input.id ], input.offset, color.array, true ); + color.stride = sources[ input.id ].stride; + break; + + case 'TEXCOORD': + buildGeometryData( primitive, sources[ input.id ], input.offset, uv.array ); + uv.stride = sources[ input.id ].stride; + break; + + case 'TEXCOORD1': + buildGeometryData( primitive, sources[ input.id ], input.offset, uv1.array ); + uv1.stride = sources[ input.id ].stride; + break; + + } + + } + + } + + // build geometry + + if ( position.array.length > 0 ) geometry.setAttribute( 'position', new Float32BufferAttribute( position.array, position.stride ) ); + if ( normal.array.length > 0 ) geometry.setAttribute( 'normal', new Float32BufferAttribute( normal.array, normal.stride ) ); + if ( color.array.length > 0 ) geometry.setAttribute( 'color', new Float32BufferAttribute( color.array, color.stride ) ); + if ( uv.array.length > 0 ) geometry.setAttribute( 'uv', new Float32BufferAttribute( uv.array, uv.stride ) ); + if ( uv1.array.length > 0 ) geometry.setAttribute( 'uv1', new Float32BufferAttribute( uv1.array, uv1.stride ) ); + + if ( skinIndex.array.length > 0 ) geometry.setAttribute( 'skinIndex', new Float32BufferAttribute( skinIndex.array, skinIndex.stride ) ); + if ( skinWeight.array.length > 0 ) geometry.setAttribute( 'skinWeight', new Float32BufferAttribute( skinWeight.array, skinWeight.stride ) ); + + build.data = geometry; + build.type = primitives[ 0 ].type; + build.materialKeys = materialKeys; + + return build; + + } + + function buildGeometryData( primitive, source, offset, array, isColor = false ) { + + const indices = primitive.p; + const stride = primitive.stride; + const vcount = primitive.vcount; + + function pushVector( i ) { + + let index = indices[ i + offset ] * sourceStride; + const length = index + sourceStride; + + for ( ; index < length; index ++ ) { + + array.push( sourceArray[ index ] ); + + } + + if ( isColor ) { + + // convert the vertex colors from srgb to linear if present + const startIndex = array.length - sourceStride - 1; + tempColor.setRGB( + array[ startIndex + 0 ], + array[ startIndex + 1 ], + array[ startIndex + 2 ], + SRGBColorSpace + ); + + array[ startIndex + 0 ] = tempColor.r; + array[ startIndex + 1 ] = tempColor.g; + array[ startIndex + 2 ] = tempColor.b; + + } + + } + + const sourceArray = source.array; + const sourceStride = source.stride; + + if ( primitive.vcount !== undefined ) { + + let index = 0; + + for ( let i = 0, l = vcount.length; i < l; i ++ ) { + + const count = vcount[ i ]; + + if ( count === 4 ) { + + const a = index + stride * 0; + const b = index + stride * 1; + const c = index + stride * 2; + const d = index + stride * 3; + + pushVector( a ); pushVector( b ); pushVector( d ); + pushVector( b ); pushVector( c ); pushVector( d ); + + } else if ( count === 3 ) { + + const a = index + stride * 0; + const b = index + stride * 1; + const c = index + stride * 2; + + pushVector( a ); pushVector( b ); pushVector( c ); + + } else if ( count > 4 ) { + + for ( let k = 1, kl = ( count - 2 ); k <= kl; k ++ ) { + + const a = index + stride * 0; + const b = index + stride * k; + const c = index + stride * ( k + 1 ); + + pushVector( a ); pushVector( b ); pushVector( c ); + + } + + } + + index += stride * count; + + } + + } else { + + for ( let i = 0, l = indices.length; i < l; i += stride ) { + + pushVector( i ); + + } + + } + + } + + function getGeometry( id ) { + + return getBuild( library.geometries[ id ], buildGeometry ); + + } + + // kinematics + + function parseKinematicsModel( xml ) { + + const data = { + name: xml.getAttribute( 'name' ) || '', + joints: {}, + links: [] + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'technique_common': + parseKinematicsTechniqueCommon( child, data ); + break; + + } + + } + + library.kinematicsModels[ xml.getAttribute( 'id' ) ] = data; + + } + + function buildKinematicsModel( data ) { + + if ( data.build !== undefined ) return data.build; + + return data; + + } + + function getKinematicsModel( id ) { + + return getBuild( library.kinematicsModels[ id ], buildKinematicsModel ); + + } + + function parseKinematicsTechniqueCommon( xml, data ) { + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'joint': + data.joints[ child.getAttribute( 'sid' ) ] = parseKinematicsJoint( child ); + break; + + case 'link': + data.links.push( parseKinematicsLink( child ) ); + break; + + } + + } + + } + + function parseKinematicsJoint( xml ) { + + let data; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'prismatic': + case 'revolute': + data = parseKinematicsJointParameter( child ); + break; + + } + + } + + return data; + + } + + function parseKinematicsJointParameter( xml ) { + + const data = { + sid: xml.getAttribute( 'sid' ), + name: xml.getAttribute( 'name' ) || '', + axis: new Vector3(), + limits: { + min: 0, + max: 0 + }, + type: xml.nodeName, + static: false, + zeroPosition: 0, + middlePosition: 0 + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'axis': + const array = parseFloats( child.textContent ); + data.axis.fromArray( array ); + break; + case 'limits': + const max = child.getElementsByTagName( 'max' )[ 0 ]; + const min = child.getElementsByTagName( 'min' )[ 0 ]; + + data.limits.max = parseFloat( max.textContent ); + data.limits.min = parseFloat( min.textContent ); + break; + + } + + } + + // if min is equal to or greater than max, consider the joint static + + if ( data.limits.min >= data.limits.max ) { + + data.static = true; + + } + + // calculate middle position + + data.middlePosition = ( data.limits.min + data.limits.max ) / 2.0; + + return data; + + } + + function parseKinematicsLink( xml ) { + + const data = { + sid: xml.getAttribute( 'sid' ), + name: xml.getAttribute( 'name' ) || '', + attachments: [], + transforms: [] + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'attachment_full': + data.attachments.push( parseKinematicsAttachment( child ) ); + break; + + case 'matrix': + case 'translate': + case 'rotate': + data.transforms.push( parseKinematicsTransform( child ) ); + break; + + } + + } + + return data; + + } + + function parseKinematicsAttachment( xml ) { + + const data = { + joint: xml.getAttribute( 'joint' ).split( '/' ).pop(), + transforms: [], + links: [] + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'link': + data.links.push( parseKinematicsLink( child ) ); + break; + + case 'matrix': + case 'translate': + case 'rotate': + data.transforms.push( parseKinematicsTransform( child ) ); + break; + + } + + } + + return data; + + } + + function parseKinematicsTransform( xml ) { + + const data = { + type: xml.nodeName + }; + + const array = parseFloats( xml.textContent ); + + switch ( data.type ) { + + case 'matrix': + data.obj = new Matrix4(); + data.obj.fromArray( array ).transpose(); + break; + + case 'translate': + data.obj = new Vector3(); + data.obj.fromArray( array ); + break; + + case 'rotate': + data.obj = new Vector3(); + data.obj.fromArray( array ); + data.angle = MathUtils.degToRad( array[ 3 ] ); + break; + + } + + return data; + + } + + // physics + + function parsePhysicsModel( xml ) { + + const data = { + name: xml.getAttribute( 'name' ) || '', + rigidBodies: {} + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'rigid_body': + data.rigidBodies[ child.getAttribute( 'name' ) ] = {}; + parsePhysicsRigidBody( child, data.rigidBodies[ child.getAttribute( 'name' ) ] ); + break; + + } + + } + + library.physicsModels[ xml.getAttribute( 'id' ) ] = data; + + } + + function parsePhysicsRigidBody( xml, data ) { + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'technique_common': + parsePhysicsTechniqueCommon( child, data ); + break; + + } + + } + + } + + function parsePhysicsTechniqueCommon( xml, data ) { + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'inertia': + data.inertia = parseFloats( child.textContent ); + break; + + case 'mass': + data.mass = parseFloats( child.textContent )[ 0 ]; + break; + + } + + } + + } + + // scene + + function parseKinematicsScene( xml ) { + + const data = { + bindJointAxis: [] + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'bind_joint_axis': + data.bindJointAxis.push( parseKinematicsBindJointAxis( child ) ); + break; + + } + + } + + library.kinematicsScenes[ parseId( xml.getAttribute( 'url' ) ) ] = data; + + } + + function parseKinematicsBindJointAxis( xml ) { + + const data = { + target: xml.getAttribute( 'target' ).split( '/' ).pop() + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + switch ( child.nodeName ) { + + case 'axis': + const param = child.getElementsByTagName( 'param' )[ 0 ]; + data.axis = param.textContent; + const tmpJointIndex = data.axis.split( 'inst_' ).pop().split( 'axis' )[ 0 ]; + data.jointIndex = tmpJointIndex.substring( 0, tmpJointIndex.length - 1 ); + break; + + } + + } + + return data; + + } + + function buildKinematicsScene( data ) { + + if ( data.build !== undefined ) return data.build; + + return data; + + } + + function getKinematicsScene( id ) { + + return getBuild( library.kinematicsScenes[ id ], buildKinematicsScene ); + + } + + function setupKinematics() { + + const kinematicsModelId = Object.keys( library.kinematicsModels )[ 0 ]; + const kinematicsSceneId = Object.keys( library.kinematicsScenes )[ 0 ]; + const visualSceneId = Object.keys( library.visualScenes )[ 0 ]; + + if ( kinematicsModelId === undefined || kinematicsSceneId === undefined ) return; + + const kinematicsModel = getKinematicsModel( kinematicsModelId ); + const kinematicsScene = getKinematicsScene( kinematicsSceneId ); + const visualScene = getVisualScene( visualSceneId ); + + const bindJointAxis = kinematicsScene.bindJointAxis; + const jointMap = {}; + + for ( let i = 0, l = bindJointAxis.length; i < l; i ++ ) { + + const axis = bindJointAxis[ i ]; + + // the result of the following query is an element of type 'translate', 'rotate','scale' or 'matrix' + + const targetElement = collada.querySelector( '[sid="' + axis.target + '"]' ); + + if ( targetElement ) { + + // get the parent of the transform element + + const parentVisualElement = targetElement.parentElement; + + // connect the joint of the kinematics model with the element in the visual scene + + connect( axis.jointIndex, parentVisualElement ); + + } + + } + + function connect( jointIndex, visualElement ) { + + const visualElementName = visualElement.getAttribute( 'name' ); + const joint = kinematicsModel.joints[ jointIndex ]; + + visualScene.traverse( function ( object ) { + + if ( object.name === visualElementName ) { + + jointMap[ jointIndex ] = { + object: object, + transforms: buildTransformList( visualElement ), + joint: joint, + position: joint.zeroPosition + }; + + } + + } ); + + } + + const m0 = new Matrix4(); + + kinematics = { + + joints: kinematicsModel && kinematicsModel.joints, + + getJointValue: function ( jointIndex ) { + + const jointData = jointMap[ jointIndex ]; + + if ( jointData ) { + + return jointData.position; + + } else { + + console.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' doesn\'t exist.' ); + + } + + }, + + setJointValue: function ( jointIndex, value ) { + + const jointData = jointMap[ jointIndex ]; + + if ( jointData ) { + + const joint = jointData.joint; + + if ( value > joint.limits.max || value < joint.limits.min ) { + + console.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' value ' + value + ' outside of limits (min: ' + joint.limits.min + ', max: ' + joint.limits.max + ').' ); + + } else if ( joint.static ) { + + console.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' is static.' ); + + } else { + + const object = jointData.object; + const axis = joint.axis; + const transforms = jointData.transforms; + + matrix.identity(); + + // each update, we have to apply all transforms in the correct order + + for ( let i = 0; i < transforms.length; i ++ ) { + + const transform = transforms[ i ]; + + // if there is a connection of the transform node with a joint, apply the joint value + + if ( transform.sid && transform.sid.indexOf( jointIndex ) !== - 1 ) { + + switch ( joint.type ) { + + case 'revolute': + matrix.multiply( m0.makeRotationAxis( axis, MathUtils.degToRad( value ) ) ); + break; + + case 'prismatic': + matrix.multiply( m0.makeTranslation( axis.x * value, axis.y * value, axis.z * value ) ); + break; + + default: + console.warn( 'THREE.ColladaLoader: Unknown joint type: ' + joint.type ); + break; + + } + + } else { + + switch ( transform.type ) { + + case 'matrix': + matrix.multiply( transform.obj ); + break; + + case 'translate': + matrix.multiply( m0.makeTranslation( transform.obj.x, transform.obj.y, transform.obj.z ) ); + break; + + case 'scale': + matrix.scale( transform.obj ); + break; + + case 'rotate': + matrix.multiply( m0.makeRotationAxis( transform.obj, transform.angle ) ); + break; + + } + + } + + } + + object.matrix.copy( matrix ); + object.matrix.decompose( object.position, object.quaternion, object.scale ); + + jointMap[ jointIndex ].position = value; + + } + + } else { + + console.log( 'THREE.ColladaLoader: ' + jointIndex + ' does not exist.' ); + + } + + } + + }; + + } + + function buildTransformList( node ) { + + const transforms = []; + + const xml = collada.querySelector( '[id="' + node.id + '"]' ); + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + let array, vector; + + switch ( child.nodeName ) { + + case 'matrix': + array = parseFloats( child.textContent ); + const matrix = new Matrix4().fromArray( array ).transpose(); + transforms.push( { + sid: child.getAttribute( 'sid' ), + type: child.nodeName, + obj: matrix + } ); + break; + + case 'translate': + case 'scale': + array = parseFloats( child.textContent ); + vector = new Vector3().fromArray( array ); + transforms.push( { + sid: child.getAttribute( 'sid' ), + type: child.nodeName, + obj: vector + } ); + break; + + case 'rotate': + array = parseFloats( child.textContent ); + vector = new Vector3().fromArray( array ); + const angle = MathUtils.degToRad( array[ 3 ] ); + transforms.push( { + sid: child.getAttribute( 'sid' ), + type: child.nodeName, + obj: vector, + angle: angle + } ); + break; + + } + + } + + return transforms; + + } + + // nodes + + function prepareNodes( xml ) { + + const elements = xml.getElementsByTagName( 'node' ); + + // ensure all node elements have id attributes + + for ( let i = 0; i < elements.length; i ++ ) { + + const element = elements[ i ]; + + if ( element.hasAttribute( 'id' ) === false ) { + + element.setAttribute( 'id', generateId() ); + + } + + } + + } + + const matrix = new Matrix4(); + const vector = new Vector3(); + + function parseNode( xml ) { + + const data = { + name: xml.getAttribute( 'name' ) || '', + type: xml.getAttribute( 'type' ), + id: xml.getAttribute( 'id' ), + sid: xml.getAttribute( 'sid' ), + matrix: new Matrix4(), + nodes: [], + instanceCameras: [], + instanceControllers: [], + instanceLights: [], + instanceGeometries: [], + instanceNodes: [], + transforms: {} + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + if ( child.nodeType !== 1 ) continue; + + let array; + + switch ( child.nodeName ) { + + case 'node': + data.nodes.push( child.getAttribute( 'id' ) ); + parseNode( child ); + break; + + case 'instance_camera': + data.instanceCameras.push( parseId( child.getAttribute( 'url' ) ) ); + break; + + case 'instance_controller': + data.instanceControllers.push( parseNodeInstance( child ) ); + break; + + case 'instance_light': + data.instanceLights.push( parseId( child.getAttribute( 'url' ) ) ); + break; + + case 'instance_geometry': + data.instanceGeometries.push( parseNodeInstance( child ) ); + break; + + case 'instance_node': + data.instanceNodes.push( parseId( child.getAttribute( 'url' ) ) ); + break; + + case 'matrix': + array = parseFloats( child.textContent ); + data.matrix.multiply( matrix.fromArray( array ).transpose() ); + data.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName; + break; + + case 'translate': + array = parseFloats( child.textContent ); + vector.fromArray( array ); + data.matrix.multiply( matrix.makeTranslation( vector.x, vector.y, vector.z ) ); + data.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName; + break; + + case 'rotate': + array = parseFloats( child.textContent ); + const angle = MathUtils.degToRad( array[ 3 ] ); + data.matrix.multiply( matrix.makeRotationAxis( vector.fromArray( array ), angle ) ); + data.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName; + break; + + case 'scale': + array = parseFloats( child.textContent ); + data.matrix.scale( vector.fromArray( array ) ); + data.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName; + break; + + case 'extra': + break; + + default: + console.log( child ); + + } + + } + + if ( hasNode( data.id ) ) { + + console.warn( 'THREE.ColladaLoader: There is already a node with ID %s. Exclude current node from further processing.', data.id ); + + } else { + + library.nodes[ data.id ] = data; + + } + + return data; + + } + + function parseNodeInstance( xml ) { + + const data = { + id: parseId( xml.getAttribute( 'url' ) ), + materials: {}, + skeletons: [] + }; + + for ( let i = 0; i < xml.childNodes.length; i ++ ) { + + const child = xml.childNodes[ i ]; + + switch ( child.nodeName ) { + + case 'bind_material': + const instances = child.getElementsByTagName( 'instance_material' ); + + for ( let j = 0; j < instances.length; j ++ ) { + + const instance = instances[ j ]; + const symbol = instance.getAttribute( 'symbol' ); + const target = instance.getAttribute( 'target' ); + + data.materials[ symbol ] = parseId( target ); + + } + + break; + + case 'skeleton': + data.skeletons.push( parseId( child.textContent ) ); + break; + + default: + break; + + } + + } + + return data; + + } + + function buildSkeleton( skeletons, joints ) { + + const boneData = []; + const sortedBoneData = []; + + let i, j, data; + + // a skeleton can have multiple root bones. collada expresses this + // situation with multiple "skeleton" tags per controller instance + + for ( i = 0; i < skeletons.length; i ++ ) { + + const skeleton = skeletons[ i ]; + + let root; + + if ( hasNode( skeleton ) ) { + + root = getNode( skeleton ); + buildBoneHierarchy( root, joints, boneData ); + + } else if ( hasVisualScene( skeleton ) ) { + + // handle case where the skeleton refers to the visual scene (#13335) + + const visualScene = library.visualScenes[ skeleton ]; + const children = visualScene.children; + + for ( let j = 0; j < children.length; j ++ ) { + + const child = children[ j ]; + + if ( child.type === 'JOINT' ) { + + const root = getNode( child.id ); + buildBoneHierarchy( root, joints, boneData ); + + } + + } + + } else { + + console.error( 'THREE.ColladaLoader: Unable to find root bone of skeleton with ID:', skeleton ); + + } + + } + + // sort bone data (the order is defined in the corresponding controller) + + for ( i = 0; i < joints.length; i ++ ) { + + for ( j = 0; j < boneData.length; j ++ ) { + + data = boneData[ j ]; + + if ( data.bone.name === joints[ i ].name ) { + + sortedBoneData[ i ] = data; + data.processed = true; + break; + + } + + } + + } + + // add unprocessed bone data at the end of the list + + for ( i = 0; i < boneData.length; i ++ ) { + + data = boneData[ i ]; + + if ( data.processed === false ) { + + sortedBoneData.push( data ); + data.processed = true; + + } + + } + + // setup arrays for skeleton creation + + const bones = []; + const boneInverses = []; + + for ( i = 0; i < sortedBoneData.length; i ++ ) { + + data = sortedBoneData[ i ]; + + bones.push( data.bone ); + boneInverses.push( data.boneInverse ); + + } + + return new Skeleton( bones, boneInverses ); + + } + + function buildBoneHierarchy( root, joints, boneData ) { + + // setup bone data from visual scene + + root.traverse( function ( object ) { + + if ( object.isBone === true ) { + + let boneInverse; + + // retrieve the boneInverse from the controller data + + for ( let i = 0; i < joints.length; i ++ ) { + + const joint = joints[ i ]; + + if ( joint.name === object.name ) { + + boneInverse = joint.boneInverse; + break; + + } + + } + + if ( boneInverse === undefined ) { + + // Unfortunately, there can be joints in the visual scene that are not part of the + // corresponding controller. In this case, we have to create a dummy boneInverse matrix + // for the respective bone. This bone won't affect any vertices, because there are no skin indices + // and weights defined for it. But we still have to add the bone to the sorted bone list in order to + // ensure a correct animation of the model. + + boneInverse = new Matrix4(); + + } + + boneData.push( { bone: object, boneInverse: boneInverse, processed: false } ); + + } + + } ); + + } + + function buildNode( data ) { + + const objects = []; + + const matrix = data.matrix; + const nodes = data.nodes; + const type = data.type; + const instanceCameras = data.instanceCameras; + const instanceControllers = data.instanceControllers; + const instanceLights = data.instanceLights; + const instanceGeometries = data.instanceGeometries; + const instanceNodes = data.instanceNodes; + + // nodes + + for ( let i = 0, l = nodes.length; i < l; i ++ ) { + + objects.push( getNode( nodes[ i ] ) ); + + } + + // instance cameras + + for ( let i = 0, l = instanceCameras.length; i < l; i ++ ) { + + const instanceCamera = getCamera( instanceCameras[ i ] ); + + if ( instanceCamera !== null ) { + + objects.push( instanceCamera.clone() ); + + } + + } + + // instance controllers + + for ( let i = 0, l = instanceControllers.length; i < l; i ++ ) { + + const instance = instanceControllers[ i ]; + const controller = getController( instance.id ); + const geometries = getGeometry( controller.id ); + const newObjects = buildObjects( geometries, instance.materials ); + + const skeletons = instance.skeletons; + const joints = controller.skin.joints; + + const skeleton = buildSkeleton( skeletons, joints ); + + for ( let j = 0, jl = newObjects.length; j < jl; j ++ ) { + + const object = newObjects[ j ]; + + if ( object.isSkinnedMesh ) { + + object.bind( skeleton, controller.skin.bindMatrix ); + object.normalizeSkinWeights(); + + } + + objects.push( object ); + + } + + } + + // instance lights + + for ( let i = 0, l = instanceLights.length; i < l; i ++ ) { + + const instanceLight = getLight( instanceLights[ i ] ); + + if ( instanceLight !== null ) { + + objects.push( instanceLight.clone() ); + + } + + } + + // instance geometries + + for ( let i = 0, l = instanceGeometries.length; i < l; i ++ ) { + + const instance = instanceGeometries[ i ]; + + // a single geometry instance in collada can lead to multiple object3Ds. + // this is the case when primitives are combined like triangles and lines + + const geometries = getGeometry( instance.id ); + const newObjects = buildObjects( geometries, instance.materials ); + + for ( let j = 0, jl = newObjects.length; j < jl; j ++ ) { + + objects.push( newObjects[ j ] ); + + } + + } + + // instance nodes + + for ( let i = 0, l = instanceNodes.length; i < l; i ++ ) { + + objects.push( getNode( instanceNodes[ i ] ).clone() ); + + } + + let object; + + if ( nodes.length === 0 && objects.length === 1 ) { + + object = objects[ 0 ]; + + } else { + + object = ( type === 'JOINT' ) ? new Bone() : new Group(); + + for ( let i = 0; i < objects.length; i ++ ) { + + object.add( objects[ i ] ); + + } + + } + + object.name = ( type === 'JOINT' ) ? data.sid : data.name; + object.matrix.copy( matrix ); + object.matrix.decompose( object.position, object.quaternion, object.scale ); + + return object; + + } + + const fallbackMaterial = new MeshBasicMaterial( { + name: Loader.DEFAULT_MATERIAL_NAME, + color: 0xff00ff + } ); + + function resolveMaterialBinding( keys, instanceMaterials ) { + + const materials = []; + + for ( let i = 0, l = keys.length; i < l; i ++ ) { + + const id = instanceMaterials[ keys[ i ] ]; + + if ( id === undefined ) { + + console.warn( 'THREE.ColladaLoader: Material with key %s not found. Apply fallback material.', keys[ i ] ); + materials.push( fallbackMaterial ); + + } else { + + materials.push( getMaterial( id ) ); + + } + + } + + return materials; + + } + + function buildObjects( geometries, instanceMaterials ) { + + const objects = []; + + for ( const type in geometries ) { + + const geometry = geometries[ type ]; + + const materials = resolveMaterialBinding( geometry.materialKeys, instanceMaterials ); + + // handle case if no materials are defined + + if ( materials.length === 0 ) { + + if ( type === 'lines' || type === 'linestrips' ) { + + materials.push( new LineBasicMaterial() ); + + } else { + + materials.push( new MeshPhongMaterial() ); + + } + + } + + // Collada allows to use phong and lambert materials with lines. Replacing these cases with LineBasicMaterial. + + if ( type === 'lines' || type === 'linestrips' ) { + + for ( let i = 0, l = materials.length; i < l; i ++ ) { + + const material = materials[ i ]; + + if ( material.isMeshPhongMaterial === true || material.isMeshLambertMaterial === true ) { + + const lineMaterial = new LineBasicMaterial(); + + // copy compatible properties + + lineMaterial.color.copy( material.color ); + lineMaterial.opacity = material.opacity; + lineMaterial.transparent = material.transparent; + + // replace material + + materials[ i ] = lineMaterial; + + } + + } + + } + + // regard skinning + + const skinning = ( geometry.data.attributes.skinIndex !== undefined ); + + // choose between a single or multi materials (material array) + + const material = ( materials.length === 1 ) ? materials[ 0 ] : materials; + + // now create a specific 3D object + + let object; + + switch ( type ) { + + case 'lines': + object = new LineSegments( geometry.data, material ); + break; + + case 'linestrips': + object = new Line( geometry.data, material ); + break; + + case 'triangles': + case 'polylist': + if ( skinning ) { + + object = new SkinnedMesh( geometry.data, material ); + + } else { + + object = new Mesh( geometry.data, material ); + + } + + break; + + } + + objects.push( object ); + + } + + return objects; + + } + + function hasNode( id ) { + + return library.nodes[ id ] !== undefined; + + } + + function getNode( id ) { + + return getBuild( library.nodes[ id ], buildNode ); + + } + + // visual scenes + + function parseVisualScene( xml ) { + + const data = { + name: xml.getAttribute( 'name' ), + children: [] + }; + + prepareNodes( xml ); + + const elements = getElementsByTagName( xml, 'node' ); + + for ( let i = 0; i < elements.length; i ++ ) { + + data.children.push( parseNode( elements[ i ] ) ); + + } + + library.visualScenes[ xml.getAttribute( 'id' ) ] = data; + + } + + function buildVisualScene( data ) { + + const group = new Group(); + group.name = data.name; + + const children = data.children; + + for ( let i = 0; i < children.length; i ++ ) { + + const child = children[ i ]; + + group.add( getNode( child.id ) ); + + } + + return group; + + } + + function hasVisualScene( id ) { + + return library.visualScenes[ id ] !== undefined; + + } + + function getVisualScene( id ) { + + return getBuild( library.visualScenes[ id ], buildVisualScene ); + + } + + // scenes + + function parseScene( xml ) { + + const instance = getElementsByTagName( xml, 'instance_visual_scene' )[ 0 ]; + return getVisualScene( parseId( instance.getAttribute( 'url' ) ) ); + + } + + function setupAnimations() { + + const clips = library.clips; + + if ( isEmpty( clips ) === true ) { + + if ( isEmpty( library.animations ) === false ) { + + // if there are animations but no clips, we create a default clip for playback + + const tracks = []; + + for ( const id in library.animations ) { + + const animationTracks = getAnimation( id ); + + for ( let i = 0, l = animationTracks.length; i < l; i ++ ) { + + tracks.push( animationTracks[ i ] ); + + } + + } + + animations.push( new AnimationClip( 'default', - 1, tracks ) ); + + } + + } else { + + for ( const id in clips ) { + + animations.push( getAnimationClip( id ) ); + + } + + } + + } + + // convert the parser error element into text with each child elements text + // separated by new lines. + + function parserErrorToText( parserError ) { + + let result = ''; + const stack = [ parserError ]; + + while ( stack.length ) { + + const node = stack.shift(); + + if ( node.nodeType === Node.TEXT_NODE ) { + + result += node.textContent; + + } else { + + result += '\n'; + stack.push( ...node.childNodes ); + + } + + } + + return result.trim(); + + } + + if ( text.length === 0 ) { + + return { scene: new Scene() }; + + } + + const xml = new DOMParser().parseFromString( text, 'application/xml' ); + + const collada = getElementsByTagName( xml, 'COLLADA' )[ 0 ]; + + const parserError = xml.getElementsByTagName( 'parsererror' )[ 0 ]; + if ( parserError !== undefined ) { + + // Chrome will return parser error with a div in it + + const errorElement = getElementsByTagName( parserError, 'div' )[ 0 ]; + let errorText; + + if ( errorElement ) { + + errorText = errorElement.textContent; + + } else { + + errorText = parserErrorToText( parserError ); + + } + + console.error( 'THREE.ColladaLoader: Failed to parse collada file.\n', errorText ); + + return null; + + } + + // metadata + + const version = collada.getAttribute( 'version' ); + console.debug( 'THREE.ColladaLoader: File version', version ); + + const asset = parseAsset( getElementsByTagName( collada, 'asset' )[ 0 ] ); + const textureLoader = new TextureLoader( this.manager ); + textureLoader.setPath( this.resourcePath || path ).setCrossOrigin( this.crossOrigin ); + + let tgaLoader; + + if ( TGALoader ) { + + tgaLoader = new TGALoader( this.manager ); + tgaLoader.setPath( this.resourcePath || path ); + + } + + // + + const tempColor = new Color(); + const animations = []; + let kinematics = {}; + let count = 0; + + // + + const library = { + animations: {}, + clips: {}, + controllers: {}, + images: {}, + effects: {}, + materials: {}, + cameras: {}, + lights: {}, + geometries: {}, + nodes: {}, + visualScenes: {}, + kinematicsModels: {}, + physicsModels: {}, + kinematicsScenes: {} + }; + + parseLibrary( collada, 'library_animations', 'animation', parseAnimation ); + parseLibrary( collada, 'library_animation_clips', 'animation_clip', parseAnimationClip ); + parseLibrary( collada, 'library_controllers', 'controller', parseController ); + parseLibrary( collada, 'library_images', 'image', parseImage ); + parseLibrary( collada, 'library_effects', 'effect', parseEffect ); + parseLibrary( collada, 'library_materials', 'material', parseMaterial ); + parseLibrary( collada, 'library_cameras', 'camera', parseCamera ); + parseLibrary( collada, 'library_lights', 'light', parseLight ); + parseLibrary( collada, 'library_geometries', 'geometry', parseGeometry ); + parseLibrary( collada, 'library_nodes', 'node', parseNode ); + parseLibrary( collada, 'library_visual_scenes', 'visual_scene', parseVisualScene ); + parseLibrary( collada, 'library_kinematics_models', 'kinematics_model', parseKinematicsModel ); + parseLibrary( collada, 'library_physics_models', 'physics_model', parsePhysicsModel ); + parseLibrary( collada, 'scene', 'instance_kinematics_scene', parseKinematicsScene ); + + buildLibrary( library.animations, buildAnimation ); + buildLibrary( library.clips, buildAnimationClip ); + buildLibrary( library.controllers, buildController ); + buildLibrary( library.images, buildImage ); + buildLibrary( library.effects, buildEffect ); + buildLibrary( library.materials, buildMaterial ); + buildLibrary( library.cameras, buildCamera ); + buildLibrary( library.lights, buildLight ); + buildLibrary( library.geometries, buildGeometry ); + buildLibrary( library.visualScenes, buildVisualScene ); + + setupAnimations(); + setupKinematics(); + + const scene = parseScene( getElementsByTagName( collada, 'scene' )[ 0 ] ); + scene.animations = animations; + + if ( asset.upAxis === 'Z_UP' ) { + + console.warn( 'THREE.ColladaLoader: You are loading an asset with a Z-UP coordinate system. The loader just rotates the asset to transform it into Y-UP. The vertex data are not converted, see #24289.' ); + scene.rotation.set( - Math.PI / 2, 0, 0 ); + + } + + scene.scale.multiplyScalar( asset.unit ); + + return { + get animations() { + + console.warn( 'THREE.ColladaLoader: Please access animations over scene.animations now.' ); + return animations; + + }, + kinematics: kinematics, + library: library, + scene: scene + }; + + } + +} + +export { ColladaLoader }; diff --git a/node_modules/three/examples/jsm/loaders/DDSLoader.js b/node_modules/three/examples/jsm/loaders/DDSLoader.js new file mode 100644 index 0000000..eb00355 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/DDSLoader.js @@ -0,0 +1,385 @@ +import { + CompressedTextureLoader, + RGBAFormat, + RGBA_S3TC_DXT3_Format, + RGBA_S3TC_DXT5_Format, + RGB_ETC1_Format, + RGB_S3TC_DXT1_Format, + RGB_BPTC_SIGNED_Format, + RGB_BPTC_UNSIGNED_Format +} from 'three'; + +/** + * A loader for the S3TC texture compression format. + * + * ```js + * const loader = new DDSLoader(); + * + * const map = loader.load( 'textures/compressed/disturb_dxt1_nomip.dds' ); + * map.colorSpace = THREE.SRGBColorSpace; // only for color textures + * ``` + * + * @augments CompressedTextureLoader + * @three_import import { DDSLoader } from 'three/addons/loaders/DDSLoader.js'; + */ +class DDSLoader extends CompressedTextureLoader { + + /** + * Constructs a new DDS loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Parses the given S3TC texture data. + * + * @param {ArrayBuffer} buffer - The raw texture data. + * @param {boolean} loadMipmaps - Whether to load mipmaps or not. + * @return {CompressedTextureLoader~TexData} An object representing the parsed texture data. + */ + parse( buffer, loadMipmaps ) { + + const dds = { mipmaps: [], width: 0, height: 0, format: null, mipmapCount: 1, isCubemap: false }; + + // Adapted from @toji's DDS utils + // https://github.com/toji/webgl-texture-utils/blob/master/texture-util/dds.js + + // All values and structures referenced from: + // http://msdn.microsoft.com/en-us/library/bb943991.aspx/ + + const DDS_MAGIC = 0x20534444; + + // const DDSD_CAPS = 0x1; + // const DDSD_HEIGHT = 0x2; + // const DDSD_WIDTH = 0x4; + // const DDSD_PITCH = 0x8; + // const DDSD_PIXELFORMAT = 0x1000; + const DDSD_MIPMAPCOUNT = 0x20000; + // const DDSD_LINEARSIZE = 0x80000; + // const DDSD_DEPTH = 0x800000; + + // const DDSCAPS_COMPLEX = 0x8; + // const DDSCAPS_MIPMAP = 0x400000; + // const DDSCAPS_TEXTURE = 0x1000; + + const DDSCAPS2_CUBEMAP = 0x200; + const DDSCAPS2_CUBEMAP_POSITIVEX = 0x400; + const DDSCAPS2_CUBEMAP_NEGATIVEX = 0x800; + const DDSCAPS2_CUBEMAP_POSITIVEY = 0x1000; + const DDSCAPS2_CUBEMAP_NEGATIVEY = 0x2000; + const DDSCAPS2_CUBEMAP_POSITIVEZ = 0x4000; + const DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x8000; + // const DDSCAPS2_VOLUME = 0x200000; + + // const DDPF_ALPHAPIXELS = 0x1; + // const DDPF_ALPHA = 0x2; + // const DDPF_FOURCC = 0x4; + // const DDPF_RGB = 0x40; + // const DDPF_YUV = 0x200; + // const DDPF_LUMINANCE = 0x20000; + + const DXGI_FORMAT_BC6H_UF16 = 95; + const DXGI_FORMAT_BC6H_SF16 = 96; + + function fourCCToInt32( value ) { + + return value.charCodeAt( 0 ) + + ( value.charCodeAt( 1 ) << 8 ) + + ( value.charCodeAt( 2 ) << 16 ) + + ( value.charCodeAt( 3 ) << 24 ); + + } + + function int32ToFourCC( value ) { + + return String.fromCharCode( + value & 0xff, + ( value >> 8 ) & 0xff, + ( value >> 16 ) & 0xff, + ( value >> 24 ) & 0xff + ); + + } + + function loadARGBMip( buffer, dataOffset, width, height ) { + + const dataLength = width * height * 4; + const srcBuffer = new Uint8Array( buffer, dataOffset, dataLength ); + const byteArray = new Uint8Array( dataLength ); + let dst = 0; + let src = 0; + for ( let y = 0; y < height; y ++ ) { + + for ( let x = 0; x < width; x ++ ) { + + const b = srcBuffer[ src ]; src ++; + const g = srcBuffer[ src ]; src ++; + const r = srcBuffer[ src ]; src ++; + const a = srcBuffer[ src ]; src ++; + byteArray[ dst ] = r; dst ++; //r + byteArray[ dst ] = g; dst ++; //g + byteArray[ dst ] = b; dst ++; //b + byteArray[ dst ] = a; dst ++; //a + + } + + } + + return byteArray; + + } + + function loadRGBMip( buffer, dataOffset, width, height ) { + + const dataLength = width * height * 3; + const srcBuffer = new Uint8Array( buffer, dataOffset, dataLength ); + const byteArray = new Uint8Array( width * height * 4 ); + let dst = 0; + let src = 0; + for ( let y = 0; y < height; y ++ ) { + + for ( let x = 0; x < width; x ++ ) { + + const b = srcBuffer[ src ]; src ++; + const g = srcBuffer[ src ]; src ++; + const r = srcBuffer[ src ]; src ++; + byteArray[ dst ] = r; dst ++; //r + byteArray[ dst ] = g; dst ++; //g + byteArray[ dst ] = b; dst ++; //b + byteArray[ dst ] = 255; dst ++; //a + + } + + } + + return byteArray; + + } + + const FOURCC_DXT1 = fourCCToInt32( 'DXT1' ); + const FOURCC_DXT3 = fourCCToInt32( 'DXT3' ); + const FOURCC_DXT5 = fourCCToInt32( 'DXT5' ); + const FOURCC_ETC1 = fourCCToInt32( 'ETC1' ); + const FOURCC_DX10 = fourCCToInt32( 'DX10' ); + + const headerLengthInt = 31; // The header length in 32 bit ints + const extendedHeaderLengthInt = 5; // The extended header length in 32 bit ints + + // Offsets into the header array + + const off_magic = 0; + + const off_size = 1; + const off_flags = 2; + const off_height = 3; + const off_width = 4; + + const off_mipmapCount = 7; + + // const off_pfFlags = 20; + const off_pfFourCC = 21; + const off_RGBBitCount = 22; + const off_RBitMask = 23; + const off_GBitMask = 24; + const off_BBitMask = 25; + const off_ABitMask = 26; + + // const off_caps = 27; + const off_caps2 = 28; + // const off_caps3 = 29; + // const off_caps4 = 30; + + // If fourCC = DX10, the extended header starts after 32 + const off_dxgiFormat = 0; + + // Parse header + + const header = new Int32Array( buffer, 0, headerLengthInt ); + + if ( header[ off_magic ] !== DDS_MAGIC ) { + + console.error( 'THREE.DDSLoader.parse: Invalid magic number in DDS header.' ); + return dds; + + } + + let blockBytes; + + const fourCC = header[ off_pfFourCC ]; + + let isRGBAUncompressed = false; + let isRGBUncompressed = false; + + let dataOffset = header[ off_size ] + 4; + + switch ( fourCC ) { + + case FOURCC_DXT1: + + blockBytes = 8; + dds.format = RGB_S3TC_DXT1_Format; + break; + + case FOURCC_DXT3: + + blockBytes = 16; + dds.format = RGBA_S3TC_DXT3_Format; + break; + + case FOURCC_DXT5: + + blockBytes = 16; + dds.format = RGBA_S3TC_DXT5_Format; + break; + + case FOURCC_ETC1: + + blockBytes = 8; + dds.format = RGB_ETC1_Format; + break; + + case FOURCC_DX10: + + dataOffset += extendedHeaderLengthInt * 4; + const extendedHeader = new Int32Array( buffer, ( headerLengthInt + 1 ) * 4, extendedHeaderLengthInt ); + const dxgiFormat = extendedHeader[ off_dxgiFormat ]; + switch ( dxgiFormat ) { + + case DXGI_FORMAT_BC6H_SF16: { + + blockBytes = 16; + dds.format = RGB_BPTC_SIGNED_Format; + break; + + } + + case DXGI_FORMAT_BC6H_UF16: { + + blockBytes = 16; + dds.format = RGB_BPTC_UNSIGNED_Format; + break; + + } + + default: { + + console.error( 'THREE.DDSLoader.parse: Unsupported DXGI_FORMAT code ', dxgiFormat ); + return dds; + + } + + } + + break; + + default: + + if ( header[ off_RGBBitCount ] === 32 + && header[ off_RBitMask ] & 0xff0000 + && header[ off_GBitMask ] & 0xff00 + && header[ off_BBitMask ] & 0xff + && header[ off_ABitMask ] & 0xff000000 ) { + + isRGBAUncompressed = true; + blockBytes = 64; + dds.format = RGBAFormat; + + } else if ( header[ off_RGBBitCount ] === 24 + && header[ off_RBitMask ] & 0xff0000 + && header[ off_GBitMask ] & 0xff00 + && header[ off_BBitMask ] & 0xff ) { + + isRGBUncompressed = true; + blockBytes = 64; + dds.format = RGBAFormat; + + } else { + + console.error( 'THREE.DDSLoader.parse: Unsupported FourCC code ', int32ToFourCC( fourCC ) ); + return dds; + + } + + } + + dds.mipmapCount = 1; + + if ( header[ off_flags ] & DDSD_MIPMAPCOUNT && loadMipmaps !== false ) { + + dds.mipmapCount = Math.max( 1, header[ off_mipmapCount ] ); + + } + + const caps2 = header[ off_caps2 ]; + dds.isCubemap = caps2 & DDSCAPS2_CUBEMAP ? true : false; + if ( dds.isCubemap && ( + ! ( caps2 & DDSCAPS2_CUBEMAP_POSITIVEX ) || + ! ( caps2 & DDSCAPS2_CUBEMAP_NEGATIVEX ) || + ! ( caps2 & DDSCAPS2_CUBEMAP_POSITIVEY ) || + ! ( caps2 & DDSCAPS2_CUBEMAP_NEGATIVEY ) || + ! ( caps2 & DDSCAPS2_CUBEMAP_POSITIVEZ ) || + ! ( caps2 & DDSCAPS2_CUBEMAP_NEGATIVEZ ) + ) ) { + + console.error( 'THREE.DDSLoader.parse: Incomplete cubemap faces' ); + return dds; + + } + + dds.width = header[ off_width ]; + dds.height = header[ off_height ]; + + // Extract mipmaps buffers + + const faces = dds.isCubemap ? 6 : 1; + + for ( let face = 0; face < faces; face ++ ) { + + let width = dds.width; + let height = dds.height; + + for ( let i = 0; i < dds.mipmapCount; i ++ ) { + + let byteArray, dataLength; + + if ( isRGBAUncompressed ) { + + byteArray = loadARGBMip( buffer, dataOffset, width, height ); + dataLength = byteArray.length; + + } else if ( isRGBUncompressed ) { + + byteArray = loadRGBMip( buffer, dataOffset, width, height ); + dataLength = width * height * 3; + + } else { + + dataLength = Math.max( 4, width ) / 4 * Math.max( 4, height ) / 4 * blockBytes; + byteArray = new Uint8Array( buffer, dataOffset, dataLength ); + + } + + const mipmap = { 'data': byteArray, 'width': width, 'height': height }; + dds.mipmaps.push( mipmap ); + + dataOffset += dataLength; + + width = Math.max( width >> 1, 1 ); + height = Math.max( height >> 1, 1 ); + + } + + } + + return dds; + + } + +} + +export { DDSLoader }; diff --git a/node_modules/three/examples/jsm/loaders/DRACOLoader.js b/node_modules/three/examples/jsm/loaders/DRACOLoader.js new file mode 100644 index 0000000..ef1c2f5 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/DRACOLoader.js @@ -0,0 +1,739 @@ +import { + BufferAttribute, + BufferGeometry, + Color, + ColorManagement, + FileLoader, + Loader, + LinearSRGBColorSpace, + SRGBColorSpace, + InterleavedBuffer, + InterleavedBufferAttribute +} from 'three'; + +const _taskCache = new WeakMap(); + +/** + * A loader for the Draco format. + * + * [Draco](https://google.github.io/draco/) is an open source library for compressing + * and decompressing 3D meshes and point clouds. Compressed geometry can be significantly smaller, + * at the cost of additional decoding time on the client device. + * + * Standalone Draco files have a `.drc` extension, and contain vertex positions, normals, colors, + * and other attributes. Draco files do not contain materials, textures, animation, or node hierarchies – + * to use these features, embed Draco geometry inside of a glTF file. A normal glTF file can be converted + * to a Draco-compressed glTF file using [glTF-Pipeline](https://github.com/CesiumGS/gltf-pipeline). + * When using Draco with glTF, an instance of `DRACOLoader` will be used internally by {@link GLTFLoader}. + * + * It is recommended to create one DRACOLoader instance and reuse it to avoid loading and creating + * multiple decoder instances. + * + * `DRACOLoader` will automatically use either the JS or the WASM decoding library, based on + * browser capabilities. + * + * ```js + * const loader = new DRACOLoader(); + * loader.setDecoderPath( '/examples/jsm/libs/draco/' ); + * + * const geometry = await dracoLoader.loadAsync( 'models/draco/bunny.drc' ); + * geometry.computeVertexNormals(); // optional + * + * dracoLoader.dispose(); + * ``` + * + * @augments Loader + * @three_import import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js'; + */ +class DRACOLoader extends Loader { + + /** + * Constructs a new Draco loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + this.decoderPath = ''; + this.decoderConfig = {}; + this.decoderBinary = null; + this.decoderPending = null; + + this.workerLimit = 4; + this.workerPool = []; + this.workerNextTaskID = 1; + this.workerSourceURL = ''; + + this.defaultAttributeIDs = { + position: 'POSITION', + normal: 'NORMAL', + color: 'COLOR', + uv: 'TEX_COORD' + }; + this.defaultAttributeTypes = { + position: 'Float32Array', + normal: 'Float32Array', + color: 'Float32Array', + uv: 'Float32Array' + }; + + } + + /** + * Provides configuration for the decoder libraries. Configuration cannot be changed after decoding begins. + * + * @param {string} path - The decoder path. + * @return {DRACOLoader} A reference to this loader. + */ + setDecoderPath( path ) { + + this.decoderPath = path; + + return this; + + } + + /** + * Provides configuration for the decoder libraries. Configuration cannot be changed after decoding begins. + * + * @param {{type:('js'|'wasm')}} config - The decoder config. + * @return {DRACOLoader} A reference to this loader. + */ + setDecoderConfig( config ) { + + this.decoderConfig = config; + + return this; + + } + + /** + * Sets the maximum number of Web Workers to be used during decoding. + * A lower limit may be preferable if workers are also for other tasks in the application. + * + * @param {number} workerLimit - The worker limit. + * @return {DRACOLoader} A reference to this loader. + */ + setWorkerLimit( workerLimit ) { + + this.workerLimit = workerLimit; + + return this; + + } + + /** + * Starts loading from the given URL and passes the loaded Draco asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const loader = new FileLoader( this.manager ); + + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + + loader.load( url, ( buffer ) => { + + this.parse( buffer, onLoad, onError ); + + }, onProgress, onError ); + + } + + /** + * Parses the given Draco data. + * + * @param {ArrayBuffer} buffer - The raw Draco data as an array buffer. + * @param {function(BufferGeometry)} onLoad - Executed when the loading/parsing process has been finished. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + parse( buffer, onLoad, onError = ()=>{} ) { + + this.decodeDracoFile( buffer, onLoad, null, null, SRGBColorSpace, onError ).catch( onError ); + + } + + // + + decodeDracoFile( buffer, callback, attributeIDs, attributeTypes, vertexColorSpace = LinearSRGBColorSpace, onError = () => {} ) { + + const taskConfig = { + attributeIDs: attributeIDs || this.defaultAttributeIDs, + attributeTypes: attributeTypes || this.defaultAttributeTypes, + useUniqueIDs: !! attributeIDs, + vertexColorSpace: vertexColorSpace, + }; + + return this.decodeGeometry( buffer, taskConfig ).then( callback ).catch( onError ); + + } + + decodeGeometry( buffer, taskConfig ) { + + const taskKey = JSON.stringify( taskConfig ); + + // Check for an existing task using this buffer. A transferred buffer cannot be transferred + // again from this thread. + if ( _taskCache.has( buffer ) ) { + + const cachedTask = _taskCache.get( buffer ); + + if ( cachedTask.key === taskKey ) { + + return cachedTask.promise; + + } else if ( buffer.byteLength === 0 ) { + + // Technically, it would be possible to wait for the previous task to complete, + // transfer the buffer back, and decode again with the second configuration. That + // is complex, and I don't know of any reason to decode a Draco buffer twice in + // different ways, so this is left unimplemented. + throw new Error( + + 'THREE.DRACOLoader: Unable to re-decode a buffer with different ' + + 'settings. Buffer has already been transferred.' + + ); + + } + + } + + // + + let worker; + const taskID = this.workerNextTaskID ++; + const taskCost = buffer.byteLength; + + // Obtain a worker and assign a task, and construct a geometry instance + // when the task completes. + const geometryPending = this._getWorker( taskID, taskCost ) + .then( ( _worker ) => { + + worker = _worker; + + return new Promise( ( resolve, reject ) => { + + worker._callbacks[ taskID ] = { resolve, reject }; + + worker.postMessage( { type: 'decode', id: taskID, taskConfig, buffer }, [ buffer ] ); + + // this.debug(); + + } ); + + } ) + .then( ( message ) => this._createGeometry( message.geometry ) ); + + // Remove task from the task list. + // Note: replaced '.finally()' with '.catch().then()' block - iOS 11 support (#19416) + geometryPending + .catch( () => true ) + .then( () => { + + if ( worker && taskID ) { + + this._releaseTask( worker, taskID ); + + // this.debug(); + + } + + } ); + + // Cache the task result. + _taskCache.set( buffer, { + + key: taskKey, + promise: geometryPending + + } ); + + return geometryPending; + + } + + _createGeometry( geometryData ) { + + const geometry = new BufferGeometry(); + + if ( geometryData.index ) { + + geometry.setIndex( new BufferAttribute( geometryData.index.array, 1 ) ); + + } + + for ( let i = 0; i < geometryData.attributes.length; i ++ ) { + + const { name, array, itemSize, stride, vertexColorSpace } = geometryData.attributes[ i ]; + + let attribute; + + if ( itemSize === stride ) { + + attribute = new BufferAttribute( array, itemSize ); + + } else { + + const buffer = new InterleavedBuffer( array, stride ); + + attribute = new InterleavedBufferAttribute( buffer, itemSize, 0 ); + + } + + if ( name === 'color' ) { + + this._assignVertexColorSpace( attribute, vertexColorSpace ); + + attribute.normalized = ( array instanceof Float32Array ) === false; + + } + + geometry.setAttribute( name, attribute ); + + } + + return geometry; + + } + + _assignVertexColorSpace( attribute, inputColorSpace ) { + + // While .drc files do not specify colorspace, the only 'official' tooling + // is PLY and OBJ converters, which use sRGB. We'll assume sRGB when a .drc + // file is passed into .load() or .parse(). GLTFLoader uses internal APIs + // to decode geometry, and vertex colors are already Linear-sRGB in there. + + if ( inputColorSpace !== SRGBColorSpace ) return; + + const _color = new Color(); + + for ( let i = 0, il = attribute.count; i < il; i ++ ) { + + _color.fromBufferAttribute( attribute, i ); + ColorManagement.colorSpaceToWorking( _color, SRGBColorSpace ); + attribute.setXYZ( i, _color.r, _color.g, _color.b ); + + } + + } + + _loadLibrary( url, responseType ) { + + const loader = new FileLoader( this.manager ); + loader.setPath( this.decoderPath ); + loader.setResponseType( responseType ); + loader.setWithCredentials( this.withCredentials ); + + return new Promise( ( resolve, reject ) => { + + loader.load( url, resolve, undefined, reject ); + + } ); + + } + + preload() { + + this._initDecoder(); + + return this; + + } + + _initDecoder() { + + if ( this.decoderPending ) return this.decoderPending; + + const useJS = typeof WebAssembly !== 'object' || this.decoderConfig.type === 'js'; + const librariesPending = []; + + if ( useJS ) { + + librariesPending.push( this._loadLibrary( 'draco_decoder.js', 'text' ) ); + + } else { + + librariesPending.push( this._loadLibrary( 'draco_wasm_wrapper.js', 'text' ) ); + librariesPending.push( this._loadLibrary( 'draco_decoder.wasm', 'arraybuffer' ) ); + + } + + this.decoderPending = Promise.all( librariesPending ) + .then( ( libraries ) => { + + const jsContent = libraries[ 0 ]; + + if ( ! useJS ) { + + this.decoderConfig.wasmBinary = libraries[ 1 ]; + + } + + const fn = DRACOWorker.toString(); + + const body = [ + '/* draco decoder */', + jsContent, + '', + '/* worker */', + fn.substring( fn.indexOf( '{' ) + 1, fn.lastIndexOf( '}' ) ) + ].join( '\n' ); + + this.workerSourceURL = URL.createObjectURL( new Blob( [ body ] ) ); + + } ); + + return this.decoderPending; + + } + + _getWorker( taskID, taskCost ) { + + return this._initDecoder().then( () => { + + if ( this.workerPool.length < this.workerLimit ) { + + const worker = new Worker( this.workerSourceURL ); + + worker._callbacks = {}; + worker._taskCosts = {}; + worker._taskLoad = 0; + + worker.postMessage( { type: 'init', decoderConfig: this.decoderConfig } ); + + worker.onmessage = function ( e ) { + + const message = e.data; + + switch ( message.type ) { + + case 'decode': + worker._callbacks[ message.id ].resolve( message ); + break; + + case 'error': + worker._callbacks[ message.id ].reject( message ); + break; + + default: + console.error( 'THREE.DRACOLoader: Unexpected message, "' + message.type + '"' ); + + } + + }; + + this.workerPool.push( worker ); + + } else { + + this.workerPool.sort( function ( a, b ) { + + return a._taskLoad > b._taskLoad ? - 1 : 1; + + } ); + + } + + const worker = this.workerPool[ this.workerPool.length - 1 ]; + worker._taskCosts[ taskID ] = taskCost; + worker._taskLoad += taskCost; + return worker; + + } ); + + } + + _releaseTask( worker, taskID ) { + + worker._taskLoad -= worker._taskCosts[ taskID ]; + delete worker._callbacks[ taskID ]; + delete worker._taskCosts[ taskID ]; + + } + + debug() { + + console.log( 'Task load: ', this.workerPool.map( ( worker ) => worker._taskLoad ) ); + + } + + dispose() { + + for ( let i = 0; i < this.workerPool.length; ++ i ) { + + this.workerPool[ i ].terminate(); + + } + + this.workerPool.length = 0; + + if ( this.workerSourceURL !== '' ) { + + URL.revokeObjectURL( this.workerSourceURL ); + + } + + return this; + + } + +} + +/* WEB WORKER */ + +function DRACOWorker() { + + let decoderConfig; + let decoderPending; + + onmessage = function ( e ) { + + const message = e.data; + + switch ( message.type ) { + + case 'init': + decoderConfig = message.decoderConfig; + decoderPending = new Promise( function ( resolve/*, reject*/ ) { + + decoderConfig.onModuleLoaded = function ( draco ) { + + // Module is Promise-like. Wrap before resolving to avoid loop. + resolve( { draco: draco } ); + + }; + + DracoDecoderModule( decoderConfig ); // eslint-disable-line no-undef + + } ); + break; + + case 'decode': + const buffer = message.buffer; + const taskConfig = message.taskConfig; + decoderPending.then( ( module ) => { + + const draco = module.draco; + const decoder = new draco.Decoder(); + + try { + + const geometry = decodeGeometry( draco, decoder, new Int8Array( buffer ), taskConfig ); + + const buffers = geometry.attributes.map( ( attr ) => attr.array.buffer ); + + if ( geometry.index ) buffers.push( geometry.index.array.buffer ); + + self.postMessage( { type: 'decode', id: message.id, geometry }, buffers ); + + } catch ( error ) { + + console.error( error ); + + self.postMessage( { type: 'error', id: message.id, error: error.message } ); + + } finally { + + draco.destroy( decoder ); + + } + + } ); + break; + + } + + }; + + function decodeGeometry( draco, decoder, array, taskConfig ) { + + const attributeIDs = taskConfig.attributeIDs; + const attributeTypes = taskConfig.attributeTypes; + + let dracoGeometry; + let decodingStatus; + + const geometryType = decoder.GetEncodedGeometryType( array ); + + if ( geometryType === draco.TRIANGULAR_MESH ) { + + dracoGeometry = new draco.Mesh(); + decodingStatus = decoder.DecodeArrayToMesh( array, array.byteLength, dracoGeometry ); + + } else if ( geometryType === draco.POINT_CLOUD ) { + + dracoGeometry = new draco.PointCloud(); + decodingStatus = decoder.DecodeArrayToPointCloud( array, array.byteLength, dracoGeometry ); + + } else { + + throw new Error( 'THREE.DRACOLoader: Unexpected geometry type.' ); + + } + + if ( ! decodingStatus.ok() || dracoGeometry.ptr === 0 ) { + + throw new Error( 'THREE.DRACOLoader: Decoding failed: ' + decodingStatus.error_msg() ); + + } + + const geometry = { index: null, attributes: [] }; + + // Gather all vertex attributes. + for ( const attributeName in attributeIDs ) { + + const attributeType = self[ attributeTypes[ attributeName ] ]; + + let attribute; + let attributeID; + + // A Draco file may be created with default vertex attributes, whose attribute IDs + // are mapped 1:1 from their semantic name (POSITION, NORMAL, ...). Alternatively, + // a Draco file may contain a custom set of attributes, identified by known unique + // IDs. glTF files always do the latter, and `.drc` files typically do the former. + if ( taskConfig.useUniqueIDs ) { + + attributeID = attributeIDs[ attributeName ]; + attribute = decoder.GetAttributeByUniqueId( dracoGeometry, attributeID ); + + } else { + + attributeID = decoder.GetAttributeId( dracoGeometry, draco[ attributeIDs[ attributeName ] ] ); + + if ( attributeID === - 1 ) continue; + + attribute = decoder.GetAttribute( dracoGeometry, attributeID ); + + } + + const attributeResult = decodeAttribute( draco, decoder, dracoGeometry, attributeName, attributeType, attribute ); + + if ( attributeName === 'color' ) { + + attributeResult.vertexColorSpace = taskConfig.vertexColorSpace; + + } + + geometry.attributes.push( attributeResult ); + + } + + // Add index. + if ( geometryType === draco.TRIANGULAR_MESH ) { + + geometry.index = decodeIndex( draco, decoder, dracoGeometry ); + + } + + draco.destroy( dracoGeometry ); + + return geometry; + + } + + function decodeIndex( draco, decoder, dracoGeometry ) { + + const numFaces = dracoGeometry.num_faces(); + const numIndices = numFaces * 3; + const byteLength = numIndices * 4; + + const ptr = draco._malloc( byteLength ); + decoder.GetTrianglesUInt32Array( dracoGeometry, byteLength, ptr ); + const index = new Uint32Array( draco.HEAPF32.buffer, ptr, numIndices ).slice(); + draco._free( ptr ); + + return { array: index, itemSize: 1 }; + + } + + function decodeAttribute( draco, decoder, dracoGeometry, attributeName, TypedArray, attribute ) { + + const count = dracoGeometry.num_points(); + const itemSize = attribute.num_components(); + const dracoDataType = getDracoDataType( draco, TypedArray ); + + // Reference: https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html#data-alignment + const srcByteStride = itemSize * TypedArray.BYTES_PER_ELEMENT; + const dstByteStride = Math.ceil( srcByteStride / 4 ) * 4; + + const dstStride = dstByteStride / TypedArray.BYTES_PER_ELEMENT + + const srcByteLength = count * srcByteStride; + const dstByteLength = count * dstByteStride; + + const ptr = draco._malloc( srcByteLength ); + decoder.GetAttributeDataArrayForAllPoints( dracoGeometry, attribute, dracoDataType, srcByteLength, ptr ); + + const srcArray = new TypedArray( draco.HEAPF32.buffer, ptr, srcByteLength / TypedArray.BYTES_PER_ELEMENT ); + let dstArray; + + if ( srcByteStride === dstByteStride ) { + + // THREE.BufferAttribute + + dstArray = srcArray.slice(); + + } else { + + // THREE.InterleavedBufferAttribute + + dstArray = new TypedArray( dstByteLength / TypedArray.BYTES_PER_ELEMENT ); + + let dstOffset = 0 + + for ( let i = 0, il = srcArray.length; i < il; i++ ) { + + for ( let j = 0; j < itemSize; j++ ) { + + dstArray[ dstOffset + j ] = srcArray[ i * itemSize + j ] + + } + + dstOffset += dstStride; + + } + + } + + draco._free( ptr ); + + return { + name: attributeName, + count: count, + itemSize: itemSize, + array: dstArray, + stride: dstStride + }; + + } + + function getDracoDataType( draco, TypedArray ) { + + switch ( TypedArray ) { + + case Float32Array: return draco.DT_FLOAT32; + case Int8Array: return draco.DT_INT8; + case Int16Array: return draco.DT_INT16; + case Int32Array: return draco.DT_INT32; + case Uint8Array: return draco.DT_UINT8; + case Uint16Array: return draco.DT_UINT16; + case Uint32Array: return draco.DT_UINT32; + + } + + } + +} + +export { DRACOLoader }; diff --git a/node_modules/three/examples/jsm/loaders/EXRLoader.js b/node_modules/three/examples/jsm/loaders/EXRLoader.js new file mode 100644 index 0000000..2307151 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/EXRLoader.js @@ -0,0 +1,2784 @@ +import { + DataTextureLoader, + DataUtils, + FloatType, + HalfFloatType, + LinearFilter, + LinearSRGBColorSpace, + RedFormat, + RGFormat, + RGBAFormat +} from 'three'; +import * as fflate from '../libs/fflate.module.js'; + +// Referred to the original Industrial Light & Magic OpenEXR implementation and the TinyEXR / Syoyo Fujita +// implementation, so I have preserved their copyright notices. + +// /* +// Copyright (c) 2014 - 2017, Syoyo Fujita +// All rights reserved. + +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// * Neither the name of the Syoyo Fujita nor the +// names of its contributors may be used to endorse or promote products +// derived from this software without specific prior written permission. + +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// */ + +// // TinyEXR contains some OpenEXR code, which is licensed under ------------ + +// /////////////////////////////////////////////////////////////////////////// +// // +// // Copyright (c) 2002, Industrial Light & Magic, a division of Lucas +// // Digital Ltd. LLC +// // +// // All rights reserved. +// // +// // Redistribution and use in source and binary forms, with or without +// // modification, are permitted provided that the following conditions are +// // met: +// // * Redistributions of source code must retain the above copyright +// // notice, this list of conditions and the following disclaimer. +// // * Redistributions in binary form must reproduce the above +// // copyright notice, this list of conditions and the following disclaimer +// // in the documentation and/or other materials provided with the +// // distribution. +// // * Neither the name of Industrial Light & Magic nor the names of +// // its contributors may be used to endorse or promote products derived +// // from this software without specific prior written permission. +// // +// // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// // +// /////////////////////////////////////////////////////////////////////////// + +// // End of OpenEXR license ------------------------------------------------- + + +/** + * A loader for the OpenEXR texture format. + * + * `EXRLoader` currently supports uncompressed, ZIP(S), RLE, PIZ and DWA/B compression. + * Supports reading as UnsignedByte, HalfFloat and Float type data texture. + * + * ```js + * const loader = new EXRLoader(); + * const texture = await loader.loadAsync( 'textures/memorial.exr' ); + * ``` + * + * @augments DataTextureLoader + * @three_import import { EXRLoader } from 'three/addons/loaders/EXRLoader.js'; + */ +class EXRLoader extends DataTextureLoader { + + /** + * Constructs a new EXR loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * The texture type. + * + * @type {(HalfFloatType|FloatType)} + * @default HalfFloatType + */ + this.type = HalfFloatType; + + /** + * Texture output format. + * + * @type {(RGBAFormat|RGFormat|RedFormat)} + * @default RGBAFormat + */ + this.outputFormat = RGBAFormat; + + } + + /** + * Parses the given EXR texture data. + * + * @param {ArrayBuffer} buffer - The raw texture data. + * @return {DataTextureLoader~TexData} An object representing the parsed texture data. + */ + parse( buffer ) { + + const USHORT_RANGE = ( 1 << 16 ); + const BITMAP_SIZE = ( USHORT_RANGE >> 3 ); + + const HUF_ENCBITS = 16; // literal (value) bit length + const HUF_DECBITS = 14; // decoding bit size (>= 8) + + const HUF_ENCSIZE = ( 1 << HUF_ENCBITS ) + 1; // encoding table size + const HUF_DECSIZE = 1 << HUF_DECBITS; // decoding table size + const HUF_DECMASK = HUF_DECSIZE - 1; + + const NBITS = 16; + const A_OFFSET = 1 << ( NBITS - 1 ); + const MOD_MASK = ( 1 << NBITS ) - 1; + + const SHORT_ZEROCODE_RUN = 59; + const LONG_ZEROCODE_RUN = 63; + const SHORTEST_LONG_RUN = 2 + LONG_ZEROCODE_RUN - SHORT_ZEROCODE_RUN; + + const ULONG_SIZE = 8; + const FLOAT32_SIZE = 4; + const INT32_SIZE = 4; + const INT16_SIZE = 2; + const INT8_SIZE = 1; + + const STATIC_HUFFMAN = 0; + const DEFLATE = 1; + + const UNKNOWN = 0; + const LOSSY_DCT = 1; + const RLE = 2; + + const logBase = Math.pow( 2.7182818, 2.2 ); + + function reverseLutFromBitmap( bitmap, lut ) { + + let k = 0; + + for ( let i = 0; i < USHORT_RANGE; ++ i ) { + + if ( ( i == 0 ) || ( bitmap[ i >> 3 ] & ( 1 << ( i & 7 ) ) ) ) { + + lut[ k ++ ] = i; + + } + + } + + const n = k - 1; + + while ( k < USHORT_RANGE ) lut[ k ++ ] = 0; + + return n; + + } + + function hufClearDecTable( hdec ) { + + for ( let i = 0; i < HUF_DECSIZE; i ++ ) { + + hdec[ i ] = {}; + hdec[ i ].len = 0; + hdec[ i ].lit = 0; + hdec[ i ].p = null; + + } + + } + + const getBitsReturn = { l: 0, c: 0, lc: 0 }; + + function getBits( nBits, c, lc, uInt8Array, inOffset ) { + + while ( lc < nBits ) { + + c = ( c << 8 ) | parseUint8Array( uInt8Array, inOffset ); + lc += 8; + + } + + lc -= nBits; + + getBitsReturn.l = ( c >> lc ) & ( ( 1 << nBits ) - 1 ); + getBitsReturn.c = c; + getBitsReturn.lc = lc; + + } + + const hufTableBuffer = new Array( 59 ); + + function hufCanonicalCodeTable( hcode ) { + + for ( let i = 0; i <= 58; ++ i ) hufTableBuffer[ i ] = 0; + for ( let i = 0; i < HUF_ENCSIZE; ++ i ) hufTableBuffer[ hcode[ i ] ] += 1; + + let c = 0; + + for ( let i = 58; i > 0; -- i ) { + + const nc = ( ( c + hufTableBuffer[ i ] ) >> 1 ); + hufTableBuffer[ i ] = c; + c = nc; + + } + + for ( let i = 0; i < HUF_ENCSIZE; ++ i ) { + + const l = hcode[ i ]; + if ( l > 0 ) hcode[ i ] = l | ( hufTableBuffer[ l ] ++ << 6 ); + + } + + } + + function hufUnpackEncTable( uInt8Array, inOffset, ni, im, iM, hcode ) { + + const p = inOffset; + let c = 0; + let lc = 0; + + for ( ; im <= iM; im ++ ) { + + if ( p.value - inOffset.value > ni ) return false; + + getBits( 6, c, lc, uInt8Array, p ); + + const l = getBitsReturn.l; + c = getBitsReturn.c; + lc = getBitsReturn.lc; + + hcode[ im ] = l; + + if ( l == LONG_ZEROCODE_RUN ) { + + if ( p.value - inOffset.value > ni ) { + + throw new Error( 'Something wrong with hufUnpackEncTable' ); + + } + + getBits( 8, c, lc, uInt8Array, p ); + + let zerun = getBitsReturn.l + SHORTEST_LONG_RUN; + c = getBitsReturn.c; + lc = getBitsReturn.lc; + + if ( im + zerun > iM + 1 ) { + + throw new Error( 'Something wrong with hufUnpackEncTable' ); + + } + + while ( zerun -- ) hcode[ im ++ ] = 0; + + im --; + + } else if ( l >= SHORT_ZEROCODE_RUN ) { + + let zerun = l - SHORT_ZEROCODE_RUN + 2; + + if ( im + zerun > iM + 1 ) { + + throw new Error( 'Something wrong with hufUnpackEncTable' ); + + } + + while ( zerun -- ) hcode[ im ++ ] = 0; + + im --; + + } + + } + + hufCanonicalCodeTable( hcode ); + + } + + function hufLength( code ) { + + return code & 63; + + } + + function hufCode( code ) { + + return code >> 6; + + } + + function hufBuildDecTable( hcode, im, iM, hdecod ) { + + for ( ; im <= iM; im ++ ) { + + const c = hufCode( hcode[ im ] ); + const l = hufLength( hcode[ im ] ); + + if ( c >> l ) { + + throw new Error( 'Invalid table entry' ); + + } + + if ( l > HUF_DECBITS ) { + + const pl = hdecod[ ( c >> ( l - HUF_DECBITS ) ) ]; + + if ( pl.len ) { + + throw new Error( 'Invalid table entry' ); + + } + + pl.lit ++; + + if ( pl.p ) { + + const p = pl.p; + pl.p = new Array( pl.lit ); + + for ( let i = 0; i < pl.lit - 1; ++ i ) { + + pl.p[ i ] = p[ i ]; + + } + + } else { + + pl.p = new Array( 1 ); + + } + + pl.p[ pl.lit - 1 ] = im; + + } else if ( l ) { + + let plOffset = 0; + + for ( let i = 1 << ( HUF_DECBITS - l ); i > 0; i -- ) { + + const pl = hdecod[ ( c << ( HUF_DECBITS - l ) ) + plOffset ]; + + if ( pl.len || pl.p ) { + + throw new Error( 'Invalid table entry' ); + + } + + pl.len = l; + pl.lit = im; + + plOffset ++; + + } + + } + + } + + return true; + + } + + const getCharReturn = { c: 0, lc: 0 }; + + function getChar( c, lc, uInt8Array, inOffset ) { + + c = ( c << 8 ) | parseUint8Array( uInt8Array, inOffset ); + lc += 8; + + getCharReturn.c = c; + getCharReturn.lc = lc; + + } + + const getCodeReturn = { c: 0, lc: 0 }; + + function getCode( po, rlc, c, lc, uInt8Array, inOffset, outBuffer, outBufferOffset, outBufferEndOffset ) { + + if ( po == rlc ) { + + if ( lc < 8 ) { + + getChar( c, lc, uInt8Array, inOffset ); + c = getCharReturn.c; + lc = getCharReturn.lc; + + } + + lc -= 8; + + let cs = ( c >> lc ); + cs = new Uint8Array( [ cs ] )[ 0 ]; + + if ( outBufferOffset.value + cs > outBufferEndOffset ) { + + return false; + + } + + const s = outBuffer[ outBufferOffset.value - 1 ]; + + while ( cs -- > 0 ) { + + outBuffer[ outBufferOffset.value ++ ] = s; + + } + + } else if ( outBufferOffset.value < outBufferEndOffset ) { + + outBuffer[ outBufferOffset.value ++ ] = po; + + } else { + + return false; + + } + + getCodeReturn.c = c; + getCodeReturn.lc = lc; + + } + + function UInt16( value ) { + + return ( value & 0xFFFF ); + + } + + function Int16( value ) { + + const ref = UInt16( value ); + return ( ref > 0x7FFF ) ? ref - 0x10000 : ref; + + } + + const wdec14Return = { a: 0, b: 0 }; + + function wdec14( l, h ) { + + const ls = Int16( l ); + const hs = Int16( h ); + + const hi = hs; + const ai = ls + ( hi & 1 ) + ( hi >> 1 ); + + const as = ai; + const bs = ai - hi; + + wdec14Return.a = as; + wdec14Return.b = bs; + + } + + function wdec16( l, h ) { + + const m = UInt16( l ); + const d = UInt16( h ); + + const bb = ( m - ( d >> 1 ) ) & MOD_MASK; + const aa = ( d + bb - A_OFFSET ) & MOD_MASK; + + wdec14Return.a = aa; + wdec14Return.b = bb; + + } + + function wav2Decode( buffer, j, nx, ox, ny, oy, mx ) { + + const w14 = mx < ( 1 << 14 ); + const n = ( nx > ny ) ? ny : nx; + let p = 1; + let p2; + let py; + + while ( p <= n ) p <<= 1; + + p >>= 1; + p2 = p; + p >>= 1; + + while ( p >= 1 ) { + + py = 0; + const ey = py + oy * ( ny - p2 ); + const oy1 = oy * p; + const oy2 = oy * p2; + const ox1 = ox * p; + const ox2 = ox * p2; + let i00, i01, i10, i11; + + for ( ; py <= ey; py += oy2 ) { + + let px = py; + const ex = py + ox * ( nx - p2 ); + + for ( ; px <= ex; px += ox2 ) { + + const p01 = px + ox1; + const p10 = px + oy1; + const p11 = p10 + ox1; + + if ( w14 ) { + + wdec14( buffer[ px + j ], buffer[ p10 + j ] ); + + i00 = wdec14Return.a; + i10 = wdec14Return.b; + + wdec14( buffer[ p01 + j ], buffer[ p11 + j ] ); + + i01 = wdec14Return.a; + i11 = wdec14Return.b; + + wdec14( i00, i01 ); + + buffer[ px + j ] = wdec14Return.a; + buffer[ p01 + j ] = wdec14Return.b; + + wdec14( i10, i11 ); + + buffer[ p10 + j ] = wdec14Return.a; + buffer[ p11 + j ] = wdec14Return.b; + + } else { + + wdec16( buffer[ px + j ], buffer[ p10 + j ] ); + + i00 = wdec14Return.a; + i10 = wdec14Return.b; + + wdec16( buffer[ p01 + j ], buffer[ p11 + j ] ); + + i01 = wdec14Return.a; + i11 = wdec14Return.b; + + wdec16( i00, i01 ); + + buffer[ px + j ] = wdec14Return.a; + buffer[ p01 + j ] = wdec14Return.b; + + wdec16( i10, i11 ); + + buffer[ p10 + j ] = wdec14Return.a; + buffer[ p11 + j ] = wdec14Return.b; + + + } + + } + + if ( nx & p ) { + + const p10 = px + oy1; + + if ( w14 ) + wdec14( buffer[ px + j ], buffer[ p10 + j ] ); + else + wdec16( buffer[ px + j ], buffer[ p10 + j ] ); + + i00 = wdec14Return.a; + buffer[ p10 + j ] = wdec14Return.b; + + buffer[ px + j ] = i00; + + } + + } + + if ( ny & p ) { + + let px = py; + const ex = py + ox * ( nx - p2 ); + + for ( ; px <= ex; px += ox2 ) { + + const p01 = px + ox1; + + if ( w14 ) + wdec14( buffer[ px + j ], buffer[ p01 + j ] ); + else + wdec16( buffer[ px + j ], buffer[ p01 + j ] ); + + i00 = wdec14Return.a; + buffer[ p01 + j ] = wdec14Return.b; + + buffer[ px + j ] = i00; + + } + + } + + p2 = p; + p >>= 1; + + } + + return py; + + } + + function hufDecode( encodingTable, decodingTable, uInt8Array, inOffset, ni, rlc, no, outBuffer, outOffset ) { + + let c = 0; + let lc = 0; + const outBufferEndOffset = no; + const inOffsetEnd = Math.trunc( inOffset.value + ( ni + 7 ) / 8 ); + + while ( inOffset.value < inOffsetEnd ) { + + getChar( c, lc, uInt8Array, inOffset ); + + c = getCharReturn.c; + lc = getCharReturn.lc; + + while ( lc >= HUF_DECBITS ) { + + const index = ( c >> ( lc - HUF_DECBITS ) ) & HUF_DECMASK; + const pl = decodingTable[ index ]; + + if ( pl.len ) { + + lc -= pl.len; + + getCode( pl.lit, rlc, c, lc, uInt8Array, inOffset, outBuffer, outOffset, outBufferEndOffset ); + + c = getCodeReturn.c; + lc = getCodeReturn.lc; + + } else { + + if ( ! pl.p ) { + + throw new Error( 'hufDecode issues' ); + + } + + let j; + + for ( j = 0; j < pl.lit; j ++ ) { + + const l = hufLength( encodingTable[ pl.p[ j ] ] ); + + while ( lc < l && inOffset.value < inOffsetEnd ) { + + getChar( c, lc, uInt8Array, inOffset ); + + c = getCharReturn.c; + lc = getCharReturn.lc; + + } + + if ( lc >= l ) { + + if ( hufCode( encodingTable[ pl.p[ j ] ] ) == ( ( c >> ( lc - l ) ) & ( ( 1 << l ) - 1 ) ) ) { + + lc -= l; + + getCode( pl.p[ j ], rlc, c, lc, uInt8Array, inOffset, outBuffer, outOffset, outBufferEndOffset ); + + c = getCodeReturn.c; + lc = getCodeReturn.lc; + + break; + + } + + } + + } + + if ( j == pl.lit ) { + + throw new Error( 'hufDecode issues' ); + + } + + } + + } + + } + + const i = ( 8 - ni ) & 7; + + c >>= i; + lc -= i; + + while ( lc > 0 ) { + + const pl = decodingTable[ ( c << ( HUF_DECBITS - lc ) ) & HUF_DECMASK ]; + + if ( pl.len ) { + + lc -= pl.len; + + getCode( pl.lit, rlc, c, lc, uInt8Array, inOffset, outBuffer, outOffset, outBufferEndOffset ); + + c = getCodeReturn.c; + lc = getCodeReturn.lc; + + } else { + + throw new Error( 'hufDecode issues' ); + + } + + } + + return true; + + } + + function hufUncompress( uInt8Array, inDataView, inOffset, nCompressed, outBuffer, nRaw ) { + + const outOffset = { value: 0 }; + const initialInOffset = inOffset.value; + + const im = parseUint32( inDataView, inOffset ); + const iM = parseUint32( inDataView, inOffset ); + + inOffset.value += 4; + + const nBits = parseUint32( inDataView, inOffset ); + + inOffset.value += 4; + + if ( im < 0 || im >= HUF_ENCSIZE || iM < 0 || iM >= HUF_ENCSIZE ) { + + throw new Error( 'Something wrong with HUF_ENCSIZE' ); + + } + + const freq = new Array( HUF_ENCSIZE ); + const hdec = new Array( HUF_DECSIZE ); + + hufClearDecTable( hdec ); + + const ni = nCompressed - ( inOffset.value - initialInOffset ); + + hufUnpackEncTable( uInt8Array, inOffset, ni, im, iM, freq ); + + if ( nBits > 8 * ( nCompressed - ( inOffset.value - initialInOffset ) ) ) { + + throw new Error( 'Something wrong with hufUncompress' ); + + } + + hufBuildDecTable( freq, im, iM, hdec ); + + hufDecode( freq, hdec, uInt8Array, inOffset, nBits, iM, nRaw, outBuffer, outOffset ); + + } + + function applyLut( lut, data, nData ) { + + for ( let i = 0; i < nData; ++ i ) { + + data[ i ] = lut[ data[ i ] ]; + + } + + } + + function predictor( source ) { + + for ( let t = 1; t < source.length; t ++ ) { + + const d = source[ t - 1 ] + source[ t ] - 128; + source[ t ] = d; + + } + + } + + function interleaveScalar( source, out ) { + + let t1 = 0; + let t2 = Math.floor( ( source.length + 1 ) / 2 ); + let s = 0; + const stop = source.length - 1; + + while ( true ) { + + if ( s > stop ) break; + out[ s ++ ] = source[ t1 ++ ]; + + if ( s > stop ) break; + out[ s ++ ] = source[ t2 ++ ]; + + } + + } + + function decodeRunLength( source ) { + + let size = source.byteLength; + const out = new Array(); + let p = 0; + + const reader = new DataView( source ); + + while ( size > 0 ) { + + const l = reader.getInt8( p ++ ); + + if ( l < 0 ) { + + const count = - l; + size -= count + 1; + + for ( let i = 0; i < count; i ++ ) { + + out.push( reader.getUint8( p ++ ) ); + + } + + + } else { + + const count = l; + size -= 2; + + const value = reader.getUint8( p ++ ); + + for ( let i = 0; i < count + 1; i ++ ) { + + out.push( value ); + + } + + } + + } + + return out; + + } + + function lossyDctDecode( cscSet, rowPtrs, channelData, acBuffer, dcBuffer, outBuffer ) { + + let dataView = new DataView( outBuffer.buffer ); + + const width = channelData[ cscSet.idx[ 0 ] ].width; + const height = channelData[ cscSet.idx[ 0 ] ].height; + + const numComp = 3; + + const numFullBlocksX = Math.floor( width / 8.0 ); + const numBlocksX = Math.ceil( width / 8.0 ); + const numBlocksY = Math.ceil( height / 8.0 ); + const leftoverX = width - ( numBlocksX - 1 ) * 8; + const leftoverY = height - ( numBlocksY - 1 ) * 8; + + const currAcComp = { value: 0 }; + const currDcComp = new Array( numComp ); + const dctData = new Array( numComp ); + const halfZigBlock = new Array( numComp ); + const rowBlock = new Array( numComp ); + const rowOffsets = new Array( numComp ); + + for ( let comp = 0; comp < numComp; ++ comp ) { + + rowOffsets[ comp ] = rowPtrs[ cscSet.idx[ comp ] ]; + currDcComp[ comp ] = ( comp < 1 ) ? 0 : currDcComp[ comp - 1 ] + numBlocksX * numBlocksY; + dctData[ comp ] = new Float32Array( 64 ); + halfZigBlock[ comp ] = new Uint16Array( 64 ); + rowBlock[ comp ] = new Uint16Array( numBlocksX * 64 ); + + } + + for ( let blocky = 0; blocky < numBlocksY; ++ blocky ) { + + let maxY = 8; + + if ( blocky == numBlocksY - 1 ) + maxY = leftoverY; + + let maxX = 8; + + for ( let blockx = 0; blockx < numBlocksX; ++ blockx ) { + + if ( blockx == numBlocksX - 1 ) + maxX = leftoverX; + + for ( let comp = 0; comp < numComp; ++ comp ) { + + halfZigBlock[ comp ].fill( 0 ); + + // set block DC component + halfZigBlock[ comp ][ 0 ] = dcBuffer[ currDcComp[ comp ] ++ ]; + // set block AC components + unRleAC( currAcComp, acBuffer, halfZigBlock[ comp ] ); + + // UnZigZag block to float + unZigZag( halfZigBlock[ comp ], dctData[ comp ] ); + // decode float dct + dctInverse( dctData[ comp ] ); + + } + + if ( numComp == 3 ) { + + csc709Inverse( dctData ); + + } + + for ( let comp = 0; comp < numComp; ++ comp ) { + + convertToHalf( dctData[ comp ], rowBlock[ comp ], blockx * 64 ); + + } + + } // blockx + + let offset = 0; + + for ( let comp = 0; comp < numComp; ++ comp ) { + + const type = channelData[ cscSet.idx[ comp ] ].type; + + for ( let y = 8 * blocky; y < 8 * blocky + maxY; ++ y ) { + + offset = rowOffsets[ comp ][ y ]; + + for ( let blockx = 0; blockx < numFullBlocksX; ++ blockx ) { + + const src = blockx * 64 + ( ( y & 0x7 ) * 8 ); + + dataView.setUint16( offset + 0 * INT16_SIZE * type, rowBlock[ comp ][ src + 0 ], true ); + dataView.setUint16( offset + 1 * INT16_SIZE * type, rowBlock[ comp ][ src + 1 ], true ); + dataView.setUint16( offset + 2 * INT16_SIZE * type, rowBlock[ comp ][ src + 2 ], true ); + dataView.setUint16( offset + 3 * INT16_SIZE * type, rowBlock[ comp ][ src + 3 ], true ); + + dataView.setUint16( offset + 4 * INT16_SIZE * type, rowBlock[ comp ][ src + 4 ], true ); + dataView.setUint16( offset + 5 * INT16_SIZE * type, rowBlock[ comp ][ src + 5 ], true ); + dataView.setUint16( offset + 6 * INT16_SIZE * type, rowBlock[ comp ][ src + 6 ], true ); + dataView.setUint16( offset + 7 * INT16_SIZE * type, rowBlock[ comp ][ src + 7 ], true ); + + offset += 8 * INT16_SIZE * type; + + } + + } + + // handle partial X blocks + if ( numFullBlocksX != numBlocksX ) { + + for ( let y = 8 * blocky; y < 8 * blocky + maxY; ++ y ) { + + const offset = rowOffsets[ comp ][ y ] + 8 * numFullBlocksX * INT16_SIZE * type; + const src = numFullBlocksX * 64 + ( ( y & 0x7 ) * 8 ); + + for ( let x = 0; x < maxX; ++ x ) { + + dataView.setUint16( offset + x * INT16_SIZE * type, rowBlock[ comp ][ src + x ], true ); + + } + + } + + } + + } // comp + + } // blocky + + const halfRow = new Uint16Array( width ); + dataView = new DataView( outBuffer.buffer ); + + // convert channels back to float, if needed + for ( let comp = 0; comp < numComp; ++ comp ) { + + channelData[ cscSet.idx[ comp ] ].decoded = true; + const type = channelData[ cscSet.idx[ comp ] ].type; + + if ( channelData[ comp ].type != 2 ) continue; + + for ( let y = 0; y < height; ++ y ) { + + const offset = rowOffsets[ comp ][ y ]; + + for ( let x = 0; x < width; ++ x ) { + + halfRow[ x ] = dataView.getUint16( offset + x * INT16_SIZE * type, true ); + + } + + for ( let x = 0; x < width; ++ x ) { + + dataView.setFloat32( offset + x * INT16_SIZE * type, decodeFloat16( halfRow[ x ] ), true ); + + } + + } + + } + + } + + function lossyDctChannelDecode( channelIndex, rowPtrs, channelData, acBuffer, dcBuffer, outBuffer ) { + + const dataView = new DataView( outBuffer.buffer ); + const cd = channelData[ channelIndex ]; + const width = cd.width; + const height = cd.height; + + const numBlocksX = Math.ceil( width / 8.0 ); + const numBlocksY = Math.ceil( height / 8.0 ); + const numFullBlocksX = Math.floor( width / 8.0 ); + const leftoverX = width - ( numBlocksX - 1 ) * 8; + const leftoverY = height - ( numBlocksY - 1 ) * 8; + + const currAcComp = { value: 0 }; + let currDcComp = 0; + const dctData = new Float32Array( 64 ); + const halfZigBlock = new Uint16Array( 64 ); + const rowBlock = new Uint16Array( numBlocksX * 64 ); + + for ( let blocky = 0; blocky < numBlocksY; ++ blocky ) { + + let maxY = 8; + + if ( blocky == numBlocksY - 1 ) maxY = leftoverY; + + for ( let blockx = 0; blockx < numBlocksX; ++ blockx ) { + + halfZigBlock.fill( 0 ); + halfZigBlock[ 0 ] = dcBuffer[ currDcComp ++ ]; + unRleAC( currAcComp, acBuffer, halfZigBlock ); + unZigZag( halfZigBlock, dctData ); + dctInverse( dctData ); + convertToHalf( dctData, rowBlock, blockx * 64 ); + + } + + // Write decoded data to output buffer + for ( let y = 8 * blocky; y < 8 * blocky + maxY; ++ y ) { + + let offset = rowPtrs[ channelIndex ][ y ]; + + for ( let blockx = 0; blockx < numFullBlocksX; ++ blockx ) { + + const src = blockx * 64 + ( ( y & 0x7 ) * 8 ); + + for ( let x = 0; x < 8; ++ x ) { + + dataView.setUint16( offset + x * INT16_SIZE * cd.type, rowBlock[ src + x ], true ); + + } + + offset += 8 * INT16_SIZE * cd.type; + + } + + if ( numBlocksX != numFullBlocksX ) { + + const src = numFullBlocksX * 64 + ( ( y & 0x7 ) * 8 ); + + for ( let x = 0; x < leftoverX; ++ x ) { + + dataView.setUint16( offset + x * INT16_SIZE * cd.type, rowBlock[ src + x ], true ); + + } + + } + + } + + } + + cd.decoded = true; + + } + + function unRleAC( currAcComp, acBuffer, halfZigBlock ) { + + let acValue; + let dctComp = 1; + + while ( dctComp < 64 ) { + + acValue = acBuffer[ currAcComp.value ]; + + if ( acValue == 0xff00 ) { + + dctComp = 64; + + } else if ( acValue >> 8 == 0xff ) { + + dctComp += acValue & 0xff; + + } else { + + halfZigBlock[ dctComp ] = acValue; + dctComp ++; + + } + + currAcComp.value ++; + + } + + } + + function unZigZag( src, dst ) { + + dst[ 0 ] = decodeFloat16( src[ 0 ] ); + dst[ 1 ] = decodeFloat16( src[ 1 ] ); + dst[ 2 ] = decodeFloat16( src[ 5 ] ); + dst[ 3 ] = decodeFloat16( src[ 6 ] ); + dst[ 4 ] = decodeFloat16( src[ 14 ] ); + dst[ 5 ] = decodeFloat16( src[ 15 ] ); + dst[ 6 ] = decodeFloat16( src[ 27 ] ); + dst[ 7 ] = decodeFloat16( src[ 28 ] ); + dst[ 8 ] = decodeFloat16( src[ 2 ] ); + dst[ 9 ] = decodeFloat16( src[ 4 ] ); + + dst[ 10 ] = decodeFloat16( src[ 7 ] ); + dst[ 11 ] = decodeFloat16( src[ 13 ] ); + dst[ 12 ] = decodeFloat16( src[ 16 ] ); + dst[ 13 ] = decodeFloat16( src[ 26 ] ); + dst[ 14 ] = decodeFloat16( src[ 29 ] ); + dst[ 15 ] = decodeFloat16( src[ 42 ] ); + dst[ 16 ] = decodeFloat16( src[ 3 ] ); + dst[ 17 ] = decodeFloat16( src[ 8 ] ); + dst[ 18 ] = decodeFloat16( src[ 12 ] ); + dst[ 19 ] = decodeFloat16( src[ 17 ] ); + + dst[ 20 ] = decodeFloat16( src[ 25 ] ); + dst[ 21 ] = decodeFloat16( src[ 30 ] ); + dst[ 22 ] = decodeFloat16( src[ 41 ] ); + dst[ 23 ] = decodeFloat16( src[ 43 ] ); + dst[ 24 ] = decodeFloat16( src[ 9 ] ); + dst[ 25 ] = decodeFloat16( src[ 11 ] ); + dst[ 26 ] = decodeFloat16( src[ 18 ] ); + dst[ 27 ] = decodeFloat16( src[ 24 ] ); + dst[ 28 ] = decodeFloat16( src[ 31 ] ); + dst[ 29 ] = decodeFloat16( src[ 40 ] ); + + dst[ 30 ] = decodeFloat16( src[ 44 ] ); + dst[ 31 ] = decodeFloat16( src[ 53 ] ); + dst[ 32 ] = decodeFloat16( src[ 10 ] ); + dst[ 33 ] = decodeFloat16( src[ 19 ] ); + dst[ 34 ] = decodeFloat16( src[ 23 ] ); + dst[ 35 ] = decodeFloat16( src[ 32 ] ); + dst[ 36 ] = decodeFloat16( src[ 39 ] ); + dst[ 37 ] = decodeFloat16( src[ 45 ] ); + dst[ 38 ] = decodeFloat16( src[ 52 ] ); + dst[ 39 ] = decodeFloat16( src[ 54 ] ); + + dst[ 40 ] = decodeFloat16( src[ 20 ] ); + dst[ 41 ] = decodeFloat16( src[ 22 ] ); + dst[ 42 ] = decodeFloat16( src[ 33 ] ); + dst[ 43 ] = decodeFloat16( src[ 38 ] ); + dst[ 44 ] = decodeFloat16( src[ 46 ] ); + dst[ 45 ] = decodeFloat16( src[ 51 ] ); + dst[ 46 ] = decodeFloat16( src[ 55 ] ); + dst[ 47 ] = decodeFloat16( src[ 60 ] ); + dst[ 48 ] = decodeFloat16( src[ 21 ] ); + dst[ 49 ] = decodeFloat16( src[ 34 ] ); + + dst[ 50 ] = decodeFloat16( src[ 37 ] ); + dst[ 51 ] = decodeFloat16( src[ 47 ] ); + dst[ 52 ] = decodeFloat16( src[ 50 ] ); + dst[ 53 ] = decodeFloat16( src[ 56 ] ); + dst[ 54 ] = decodeFloat16( src[ 59 ] ); + dst[ 55 ] = decodeFloat16( src[ 61 ] ); + dst[ 56 ] = decodeFloat16( src[ 35 ] ); + dst[ 57 ] = decodeFloat16( src[ 36 ] ); + dst[ 58 ] = decodeFloat16( src[ 48 ] ); + dst[ 59 ] = decodeFloat16( src[ 49 ] ); + + dst[ 60 ] = decodeFloat16( src[ 57 ] ); + dst[ 61 ] = decodeFloat16( src[ 58 ] ); + dst[ 62 ] = decodeFloat16( src[ 62 ] ); + dst[ 63 ] = decodeFloat16( src[ 63 ] ); + + } + + function dctInverse( data ) { + + const a = 0.5 * Math.cos( 3.14159 / 4.0 ); + const b = 0.5 * Math.cos( 3.14159 / 16.0 ); + const c = 0.5 * Math.cos( 3.14159 / 8.0 ); + const d = 0.5 * Math.cos( 3.0 * 3.14159 / 16.0 ); + const e = 0.5 * Math.cos( 5.0 * 3.14159 / 16.0 ); + const f = 0.5 * Math.cos( 3.0 * 3.14159 / 8.0 ); + const g = 0.5 * Math.cos( 7.0 * 3.14159 / 16.0 ); + + const alpha = new Array( 4 ); + const beta = new Array( 4 ); + const theta = new Array( 4 ); + const gamma = new Array( 4 ); + + for ( let row = 0; row < 8; ++ row ) { + + const rowPtr = row * 8; + + alpha[ 0 ] = c * data[ rowPtr + 2 ]; + alpha[ 1 ] = f * data[ rowPtr + 2 ]; + alpha[ 2 ] = c * data[ rowPtr + 6 ]; + alpha[ 3 ] = f * data[ rowPtr + 6 ]; + + beta[ 0 ] = b * data[ rowPtr + 1 ] + d * data[ rowPtr + 3 ] + e * data[ rowPtr + 5 ] + g * data[ rowPtr + 7 ]; + beta[ 1 ] = d * data[ rowPtr + 1 ] - g * data[ rowPtr + 3 ] - b * data[ rowPtr + 5 ] - e * data[ rowPtr + 7 ]; + beta[ 2 ] = e * data[ rowPtr + 1 ] - b * data[ rowPtr + 3 ] + g * data[ rowPtr + 5 ] + d * data[ rowPtr + 7 ]; + beta[ 3 ] = g * data[ rowPtr + 1 ] - e * data[ rowPtr + 3 ] + d * data[ rowPtr + 5 ] - b * data[ rowPtr + 7 ]; + + theta[ 0 ] = a * ( data[ rowPtr + 0 ] + data[ rowPtr + 4 ] ); + theta[ 3 ] = a * ( data[ rowPtr + 0 ] - data[ rowPtr + 4 ] ); + theta[ 1 ] = alpha[ 0 ] + alpha[ 3 ]; + theta[ 2 ] = alpha[ 1 ] - alpha[ 2 ]; + + gamma[ 0 ] = theta[ 0 ] + theta[ 1 ]; + gamma[ 1 ] = theta[ 3 ] + theta[ 2 ]; + gamma[ 2 ] = theta[ 3 ] - theta[ 2 ]; + gamma[ 3 ] = theta[ 0 ] - theta[ 1 ]; + + data[ rowPtr + 0 ] = gamma[ 0 ] + beta[ 0 ]; + data[ rowPtr + 1 ] = gamma[ 1 ] + beta[ 1 ]; + data[ rowPtr + 2 ] = gamma[ 2 ] + beta[ 2 ]; + data[ rowPtr + 3 ] = gamma[ 3 ] + beta[ 3 ]; + + data[ rowPtr + 4 ] = gamma[ 3 ] - beta[ 3 ]; + data[ rowPtr + 5 ] = gamma[ 2 ] - beta[ 2 ]; + data[ rowPtr + 6 ] = gamma[ 1 ] - beta[ 1 ]; + data[ rowPtr + 7 ] = gamma[ 0 ] - beta[ 0 ]; + + } + + for ( let column = 0; column < 8; ++ column ) { + + alpha[ 0 ] = c * data[ 16 + column ]; + alpha[ 1 ] = f * data[ 16 + column ]; + alpha[ 2 ] = c * data[ 48 + column ]; + alpha[ 3 ] = f * data[ 48 + column ]; + + beta[ 0 ] = b * data[ 8 + column ] + d * data[ 24 + column ] + e * data[ 40 + column ] + g * data[ 56 + column ]; + beta[ 1 ] = d * data[ 8 + column ] - g * data[ 24 + column ] - b * data[ 40 + column ] - e * data[ 56 + column ]; + beta[ 2 ] = e * data[ 8 + column ] - b * data[ 24 + column ] + g * data[ 40 + column ] + d * data[ 56 + column ]; + beta[ 3 ] = g * data[ 8 + column ] - e * data[ 24 + column ] + d * data[ 40 + column ] - b * data[ 56 + column ]; + + theta[ 0 ] = a * ( data[ column ] + data[ 32 + column ] ); + theta[ 3 ] = a * ( data[ column ] - data[ 32 + column ] ); + + theta[ 1 ] = alpha[ 0 ] + alpha[ 3 ]; + theta[ 2 ] = alpha[ 1 ] - alpha[ 2 ]; + + gamma[ 0 ] = theta[ 0 ] + theta[ 1 ]; + gamma[ 1 ] = theta[ 3 ] + theta[ 2 ]; + gamma[ 2 ] = theta[ 3 ] - theta[ 2 ]; + gamma[ 3 ] = theta[ 0 ] - theta[ 1 ]; + + data[ 0 + column ] = gamma[ 0 ] + beta[ 0 ]; + data[ 8 + column ] = gamma[ 1 ] + beta[ 1 ]; + data[ 16 + column ] = gamma[ 2 ] + beta[ 2 ]; + data[ 24 + column ] = gamma[ 3 ] + beta[ 3 ]; + + data[ 32 + column ] = gamma[ 3 ] - beta[ 3 ]; + data[ 40 + column ] = gamma[ 2 ] - beta[ 2 ]; + data[ 48 + column ] = gamma[ 1 ] - beta[ 1 ]; + data[ 56 + column ] = gamma[ 0 ] - beta[ 0 ]; + + } + + } + + function csc709Inverse( data ) { + + for ( let i = 0; i < 64; ++ i ) { + + const y = data[ 0 ][ i ]; + const cb = data[ 1 ][ i ]; + const cr = data[ 2 ][ i ]; + + data[ 0 ][ i ] = y + 1.5747 * cr; + data[ 1 ][ i ] = y - 0.1873 * cb - 0.4682 * cr; + data[ 2 ][ i ] = y + 1.8556 * cb; + + } + + } + + function convertToHalf( src, dst, idx ) { + + for ( let i = 0; i < 64; ++ i ) { + + dst[ idx + i ] = DataUtils.toHalfFloat( toLinear( src[ i ] ) ); + + } + + } + + function toLinear( float ) { + + if ( float <= 1 ) { + + return Math.sign( float ) * Math.pow( Math.abs( float ), 2.2 ); + + } else { + + return Math.sign( float ) * Math.pow( logBase, Math.abs( float ) - 1.0 ); + + } + + } + + function uncompressRAW( info ) { + + return new DataView( info.array.buffer, info.offset.value, info.size ); + + } + + function uncompressRLE( info ) { + + const compressed = info.viewer.buffer.slice( info.offset.value, info.offset.value + info.size ); + + const rawBuffer = new Uint8Array( decodeRunLength( compressed ) ); + const tmpBuffer = new Uint8Array( rawBuffer.length ); + + predictor( rawBuffer ); // revert predictor + + interleaveScalar( rawBuffer, tmpBuffer ); // interleave pixels + + return new DataView( tmpBuffer.buffer ); + + } + + function uncompressZIP( info ) { + + const compressed = info.array.slice( info.offset.value, info.offset.value + info.size ); + + const rawBuffer = fflate.unzlibSync( compressed ); + const tmpBuffer = new Uint8Array( rawBuffer.length ); + + predictor( rawBuffer ); // revert predictor + + interleaveScalar( rawBuffer, tmpBuffer ); // interleave pixels + + return new DataView( tmpBuffer.buffer ); + + } + + function uncompressPIZ( info ) { + + const inDataView = info.viewer; + const inOffset = { value: info.offset.value }; + + const outBuffer = new Uint16Array( info.columns * info.lines * ( info.inputChannels.length * info.type ) ); + const bitmap = new Uint8Array( BITMAP_SIZE ); + + // Setup channel info + let outBufferEnd = 0; + const pizChannelData = new Array( info.inputChannels.length ); + for ( let i = 0, il = info.inputChannels.length; i < il; i ++ ) { + + pizChannelData[ i ] = {}; + pizChannelData[ i ][ 'start' ] = outBufferEnd; + pizChannelData[ i ][ 'end' ] = pizChannelData[ i ][ 'start' ]; + pizChannelData[ i ][ 'nx' ] = info.columns; + pizChannelData[ i ][ 'ny' ] = info.lines; + pizChannelData[ i ][ 'size' ] = info.type; + + outBufferEnd += pizChannelData[ i ].nx * pizChannelData[ i ].ny * pizChannelData[ i ].size; + + } + + // Read range compression data + + const minNonZero = parseUint16( inDataView, inOffset ); + const maxNonZero = parseUint16( inDataView, inOffset ); + + if ( maxNonZero >= BITMAP_SIZE ) { + + throw new Error( 'Something is wrong with PIZ_COMPRESSION BITMAP_SIZE' ); + + } + + if ( minNonZero <= maxNonZero ) { + + for ( let i = 0; i < maxNonZero - minNonZero + 1; i ++ ) { + + bitmap[ i + minNonZero ] = parseUint8( inDataView, inOffset ); + + } + + } + + // Reverse LUT + const lut = new Uint16Array( USHORT_RANGE ); + const maxValue = reverseLutFromBitmap( bitmap, lut ); + + const length = parseUint32( inDataView, inOffset ); + + // Huffman decoding + hufUncompress( info.array, inDataView, inOffset, length, outBuffer, outBufferEnd ); + + // Wavelet decoding + for ( let i = 0; i < info.inputChannels.length; ++ i ) { + + const cd = pizChannelData[ i ]; + + for ( let j = 0; j < pizChannelData[ i ].size; ++ j ) { + + wav2Decode( + outBuffer, + cd.start + j, + cd.nx, + cd.size, + cd.ny, + cd.nx * cd.size, + maxValue + ); + + } + + } + + // Expand the pixel data to their original range + applyLut( lut, outBuffer, outBufferEnd ); + + // Rearrange the pixel data into the format expected by the caller. + let tmpOffset = 0; + const tmpBuffer = new Uint8Array( outBuffer.buffer.byteLength ); + for ( let y = 0; y < info.lines; y ++ ) { + + for ( let c = 0; c < info.inputChannels.length; c ++ ) { + + const cd = pizChannelData[ c ]; + + const n = cd.nx * cd.size; + const cp = new Uint8Array( outBuffer.buffer, cd.end * INT16_SIZE, n * INT16_SIZE ); + + tmpBuffer.set( cp, tmpOffset ); + tmpOffset += n * INT16_SIZE; + cd.end += n; + + } + + } + + return new DataView( tmpBuffer.buffer ); + + } + + function uncompressPXR( info ) { + + const compressed = info.array.slice( info.offset.value, info.offset.value + info.size ); + + const rawBuffer = fflate.unzlibSync( compressed ); + + const byteSize = info.inputChannels.length * info.lines * info.columns * info.totalBytes; + const tmpBuffer = new ArrayBuffer( byteSize ); + const viewer = new DataView( tmpBuffer ); + + let tmpBufferEnd = 0; + let writePtr = 0; + const ptr = new Array( 4 ); + + for ( let y = 0; y < info.lines; y ++ ) { + + for ( let c = 0; c < info.inputChannels.length; c ++ ) { + + let pixel = 0; + + const type = info.inputChannels[ c ].pixelType; + switch ( type ) { + + case 1: + + ptr[ 0 ] = tmpBufferEnd; + ptr[ 1 ] = ptr[ 0 ] + info.columns; + tmpBufferEnd = ptr[ 1 ] + info.columns; + + for ( let j = 0; j < info.columns; ++ j ) { + + const diff = ( rawBuffer[ ptr[ 0 ] ++ ] << 8 ) | rawBuffer[ ptr[ 1 ] ++ ]; + + pixel += diff; + + viewer.setUint16( writePtr, pixel, true ); + writePtr += 2; + + } + + break; + + case 2: + + ptr[ 0 ] = tmpBufferEnd; + ptr[ 1 ] = ptr[ 0 ] + info.columns; + ptr[ 2 ] = ptr[ 1 ] + info.columns; + tmpBufferEnd = ptr[ 2 ] + info.columns; + + for ( let j = 0; j < info.columns; ++ j ) { + + const diff = ( rawBuffer[ ptr[ 0 ] ++ ] << 24 ) | ( rawBuffer[ ptr[ 1 ] ++ ] << 16 ) | ( rawBuffer[ ptr[ 2 ] ++ ] << 8 ); + + pixel += diff; + + viewer.setUint32( writePtr, pixel, true ); + writePtr += 4; + + } + + break; + + } + + } + + } + + return viewer; + + } + + function uncompressDWA( info ) { + + const inDataView = info.viewer; + const inOffset = { value: info.offset.value }; + const outBuffer = new Uint8Array( info.columns * info.lines * ( info.inputChannels.length * info.type * INT16_SIZE ) ); + + // Read compression header information + const dwaHeader = { + + version: parseInt64( inDataView, inOffset ), + unknownUncompressedSize: parseInt64( inDataView, inOffset ), + unknownCompressedSize: parseInt64( inDataView, inOffset ), + acCompressedSize: parseInt64( inDataView, inOffset ), + dcCompressedSize: parseInt64( inDataView, inOffset ), + rleCompressedSize: parseInt64( inDataView, inOffset ), + rleUncompressedSize: parseInt64( inDataView, inOffset ), + rleRawSize: parseInt64( inDataView, inOffset ), + totalAcUncompressedCount: parseInt64( inDataView, inOffset ), + totalDcUncompressedCount: parseInt64( inDataView, inOffset ), + acCompression: parseInt64( inDataView, inOffset ) + + }; + + if ( dwaHeader.version < 2 ) + throw new Error( 'EXRLoader.parse: ' + EXRHeader.compression + ' version ' + dwaHeader.version + ' is unsupported' ); + + // Read channel ruleset information + const channelRules = new Array(); + let ruleSize = parseUint16( inDataView, inOffset ) - INT16_SIZE; + + while ( ruleSize > 0 ) { + + const name = parseNullTerminatedString( inDataView.buffer, inOffset ); + const value = parseUint8( inDataView, inOffset ); + const compression = ( value >> 2 ) & 3; + const csc = ( value >> 4 ) - 1; + const index = new Int8Array( [ csc ] )[ 0 ]; + const type = parseUint8( inDataView, inOffset ); + + channelRules.push( { + name: name, + index: index, + type: type, + compression: compression, + } ); + + ruleSize -= name.length + 3; + + } + + // Classify channels + const channels = EXRHeader.channels; + const channelData = new Array( info.inputChannels.length ); + + for ( let i = 0; i < info.inputChannels.length; ++ i ) { + + const cd = channelData[ i ] = {}; + const channel = channels[ i ]; + + cd.name = channel.name; + cd.compression = UNKNOWN; + cd.decoded = false; + cd.type = channel.pixelType; + cd.pLinear = channel.pLinear; + cd.width = info.columns; + cd.height = info.lines; + + } + + const cscSet = { + idx: new Array( 3 ) + }; + + for ( let offset = 0; offset < info.inputChannels.length; ++ offset ) { + + const cd = channelData[ offset ]; + + for ( let i = 0; i < channelRules.length; ++ i ) { + + const rule = channelRules[ i ]; + + if ( cd.name == rule.name ) { + + cd.compression = rule.compression; + + if ( rule.index >= 0 ) { + + cscSet.idx[ rule.index ] = offset; + + } + + cd.offset = offset; + + } + + } + + } + + let acBuffer, dcBuffer, rleBuffer; + + // Read DCT - AC component data + if ( dwaHeader.acCompressedSize > 0 ) { + + switch ( dwaHeader.acCompression ) { + + case STATIC_HUFFMAN: + + acBuffer = new Uint16Array( dwaHeader.totalAcUncompressedCount ); + hufUncompress( info.array, inDataView, inOffset, dwaHeader.acCompressedSize, acBuffer, dwaHeader.totalAcUncompressedCount ); + break; + + case DEFLATE: + + const compressed = info.array.slice( inOffset.value, inOffset.value + dwaHeader.totalAcUncompressedCount ); + const data = fflate.unzlibSync( compressed ); + acBuffer = new Uint16Array( data.buffer ); + inOffset.value += dwaHeader.totalAcUncompressedCount; + break; + + } + + + } + + // Read DCT - DC component data + if ( dwaHeader.dcCompressedSize > 0 ) { + + const zlibInfo = { + array: info.array, + offset: inOffset, + size: dwaHeader.dcCompressedSize + }; + dcBuffer = new Uint16Array( uncompressZIP( zlibInfo ).buffer ); + inOffset.value += dwaHeader.dcCompressedSize; + + } + + // Read RLE compressed data + if ( dwaHeader.rleRawSize > 0 ) { + + const compressed = info.array.slice( inOffset.value, inOffset.value + dwaHeader.rleCompressedSize ); + const data = fflate.unzlibSync( compressed ); + rleBuffer = decodeRunLength( data.buffer ); + + inOffset.value += dwaHeader.rleCompressedSize; + + } + + // Prepare outbuffer data offset + let outBufferEnd = 0; + const rowOffsets = new Array( channelData.length ); + for ( let i = 0; i < rowOffsets.length; ++ i ) { + + rowOffsets[ i ] = new Array(); + + } + + for ( let y = 0; y < info.lines; ++ y ) { + + for ( let chan = 0; chan < channelData.length; ++ chan ) { + + rowOffsets[ chan ].push( outBufferEnd ); + outBufferEnd += channelData[ chan ].width * info.type * INT16_SIZE; + + } + + } + + // Decode lossy DCT data if we have a valid color space conversion set with the first RGB channel present + if ( cscSet.idx[ 0 ] !== undefined && channelData[ cscSet.idx[ 0 ] ] ) { + + lossyDctDecode( cscSet, rowOffsets, channelData, acBuffer, dcBuffer, outBuffer ); + + } + + // Decode other channels + for ( let i = 0; i < channelData.length; ++ i ) { + + const cd = channelData[ i ]; + + if ( cd.decoded ) continue; + + switch ( cd.compression ) { + + case RLE: + + let row = 0; + let rleOffset = 0; + + for ( let y = 0; y < info.lines; ++ y ) { + + let rowOffsetBytes = rowOffsets[ i ][ row ]; + + for ( let x = 0; x < cd.width; ++ x ) { + + for ( let byte = 0; byte < INT16_SIZE * cd.type; ++ byte ) { + + outBuffer[ rowOffsetBytes ++ ] = rleBuffer[ rleOffset + byte * cd.width * cd.height ]; + + } + + rleOffset ++; + + } + + row ++; + + } + + break; + + case LOSSY_DCT: + + lossyDctChannelDecode( i, rowOffsets, channelData, acBuffer, dcBuffer, outBuffer ); + + break; + + default: + throw new Error( 'EXRLoader.parse: unsupported channel compression' ); + + } + + } + + return new DataView( outBuffer.buffer ); + + } + + function parseNullTerminatedString( buffer, offset ) { + + const uintBuffer = new Uint8Array( buffer ); + let endOffset = 0; + + while ( uintBuffer[ offset.value + endOffset ] != 0 ) { + + endOffset += 1; + + } + + const stringValue = new TextDecoder().decode( + uintBuffer.slice( offset.value, offset.value + endOffset ) + ); + + offset.value = offset.value + endOffset + 1; + + return stringValue; + + } + + function parseFixedLengthString( buffer, offset, size ) { + + const stringValue = new TextDecoder().decode( + new Uint8Array( buffer ).slice( offset.value, offset.value + size ) + ); + + offset.value = offset.value + size; + + return stringValue; + + } + + function parseRational( dataView, offset ) { + + const x = parseInt32( dataView, offset ); + const y = parseUint32( dataView, offset ); + + return [ x, y ]; + + } + + function parseTimecode( dataView, offset ) { + + const x = parseUint32( dataView, offset ); + const y = parseUint32( dataView, offset ); + + return [ x, y ]; + + } + + function parseInt32( dataView, offset ) { + + const Int32 = dataView.getInt32( offset.value, true ); + + offset.value = offset.value + INT32_SIZE; + + return Int32; + + } + + function parseUint32( dataView, offset ) { + + const Uint32 = dataView.getUint32( offset.value, true ); + + offset.value = offset.value + INT32_SIZE; + + return Uint32; + + } + + function parseUint8Array( uInt8Array, offset ) { + + const Uint8 = uInt8Array[ offset.value ]; + + offset.value = offset.value + INT8_SIZE; + + return Uint8; + + } + + function parseUint8( dataView, offset ) { + + const Uint8 = dataView.getUint8( offset.value ); + + offset.value = offset.value + INT8_SIZE; + + return Uint8; + + } + + const parseInt64 = function ( dataView, offset ) { + + let int; + + if ( 'getBigInt64' in DataView.prototype ) { + + int = Number( dataView.getBigInt64( offset.value, true ) ); + + } else { + + int = dataView.getUint32( offset.value + 4, true ) + Number( dataView.getUint32( offset.value, true ) << 32 ); + + } + + offset.value += ULONG_SIZE; + + return int; + + }; + + function parseFloat32( dataView, offset ) { + + const float = dataView.getFloat32( offset.value, true ); + + offset.value += FLOAT32_SIZE; + + return float; + + } + + function decodeFloat32( dataView, offset ) { + + return DataUtils.toHalfFloat( parseFloat32( dataView, offset ) ); + + } + + // https://stackoverflow.com/questions/5678432/decompressing-half-precision-floats-in-javascript + function decodeFloat16( binary ) { + + const exponent = ( binary & 0x7C00 ) >> 10, + fraction = binary & 0x03FF; + + return ( binary >> 15 ? - 1 : 1 ) * ( + exponent ? + ( + exponent === 0x1F ? + fraction ? NaN : Infinity : + Math.pow( 2, exponent - 15 ) * ( 1 + fraction / 0x400 ) + ) : + 6.103515625e-5 * ( fraction / 0x400 ) + ); + + } + + function parseUint16( dataView, offset ) { + + const Uint16 = dataView.getUint16( offset.value, true ); + + offset.value += INT16_SIZE; + + return Uint16; + + } + + function parseFloat16( buffer, offset ) { + + return decodeFloat16( parseUint16( buffer, offset ) ); + + } + + function parseChlist( dataView, buffer, offset, size ) { + + const startOffset = offset.value; + const channels = []; + + while ( offset.value < ( startOffset + size - 1 ) ) { + + const name = parseNullTerminatedString( buffer, offset ); + const pixelType = parseInt32( dataView, offset ); + const pLinear = parseUint8( dataView, offset ); + offset.value += 3; // reserved, three chars + const xSampling = parseInt32( dataView, offset ); + const ySampling = parseInt32( dataView, offset ); + + channels.push( { + name: name, + pixelType: pixelType, + pLinear: pLinear, + xSampling: xSampling, + ySampling: ySampling + } ); + + } + + offset.value += 1; + + return channels; + + } + + function parseChromaticities( dataView, offset ) { + + const redX = parseFloat32( dataView, offset ); + const redY = parseFloat32( dataView, offset ); + const greenX = parseFloat32( dataView, offset ); + const greenY = parseFloat32( dataView, offset ); + const blueX = parseFloat32( dataView, offset ); + const blueY = parseFloat32( dataView, offset ); + const whiteX = parseFloat32( dataView, offset ); + const whiteY = parseFloat32( dataView, offset ); + + return { redX: redX, redY: redY, greenX: greenX, greenY: greenY, blueX: blueX, blueY: blueY, whiteX: whiteX, whiteY: whiteY }; + + } + + function parseCompression( dataView, offset ) { + + const compressionCodes = [ + 'NO_COMPRESSION', + 'RLE_COMPRESSION', + 'ZIPS_COMPRESSION', + 'ZIP_COMPRESSION', + 'PIZ_COMPRESSION', + 'PXR24_COMPRESSION', + 'B44_COMPRESSION', + 'B44A_COMPRESSION', + 'DWAA_COMPRESSION', + 'DWAB_COMPRESSION' + ]; + + const compression = parseUint8( dataView, offset ); + + return compressionCodes[ compression ]; + + } + + function parseBox2i( dataView, offset ) { + + const xMin = parseInt32( dataView, offset ); + const yMin = parseInt32( dataView, offset ); + const xMax = parseInt32( dataView, offset ); + const yMax = parseInt32( dataView, offset ); + + return { xMin: xMin, yMin: yMin, xMax: xMax, yMax: yMax }; + + } + + function parseLineOrder( dataView, offset ) { + + const lineOrders = [ + 'INCREASING_Y', + 'DECREASING_Y', + 'RANDOM_Y', + ]; + + const lineOrder = parseUint8( dataView, offset ); + + return lineOrders[ lineOrder ]; + + } + + function parseEnvmap( dataView, offset ) { + + const envmaps = [ + 'ENVMAP_LATLONG', + 'ENVMAP_CUBE' + ]; + + const envmap = parseUint8( dataView, offset ); + + return envmaps[ envmap ]; + + } + + function parseTiledesc( dataView, offset ) { + + const levelModes = [ + 'ONE_LEVEL', + 'MIPMAP_LEVELS', + 'RIPMAP_LEVELS', + ]; + + const roundingModes = [ + 'ROUND_DOWN', + 'ROUND_UP', + ]; + + const xSize = parseUint32( dataView, offset ); + const ySize = parseUint32( dataView, offset ); + const modes = parseUint8( dataView, offset ); + + return { + xSize: xSize, + ySize: ySize, + levelMode: levelModes[ modes & 0xf ], + roundingMode: roundingModes[ modes >> 4 ] + }; + + } + + function parseV2f( dataView, offset ) { + + const x = parseFloat32( dataView, offset ); + const y = parseFloat32( dataView, offset ); + + return [ x, y ]; + + } + + function parseV3f( dataView, offset ) { + + const x = parseFloat32( dataView, offset ); + const y = parseFloat32( dataView, offset ); + const z = parseFloat32( dataView, offset ); + + return [ x, y, z ]; + + } + + function parseValue( dataView, buffer, offset, type, size ) { + + if ( type === 'string' || type === 'stringvector' || type === 'iccProfile' ) { + + return parseFixedLengthString( buffer, offset, size ); + + } else if ( type === 'chlist' ) { + + return parseChlist( dataView, buffer, offset, size ); + + } else if ( type === 'chromaticities' ) { + + return parseChromaticities( dataView, offset ); + + } else if ( type === 'compression' ) { + + return parseCompression( dataView, offset ); + + } else if ( type === 'box2i' ) { + + return parseBox2i( dataView, offset ); + + } else if ( type === 'envmap' ) { + + return parseEnvmap( dataView, offset ); + + } else if ( type === 'tiledesc' ) { + + return parseTiledesc( dataView, offset ); + + } else if ( type === 'lineOrder' ) { + + return parseLineOrder( dataView, offset ); + + } else if ( type === 'float' ) { + + return parseFloat32( dataView, offset ); + + } else if ( type === 'v2f' ) { + + return parseV2f( dataView, offset ); + + } else if ( type === 'v3f' ) { + + return parseV3f( dataView, offset ); + + } else if ( type === 'int' ) { + + return parseInt32( dataView, offset ); + + } else if ( type === 'rational' ) { + + return parseRational( dataView, offset ); + + } else if ( type === 'timecode' ) { + + return parseTimecode( dataView, offset ); + + } else if ( type === 'preview' ) { + + offset.value += size; + return 'skipped'; + + } else { + + offset.value += size; + return undefined; + + } + + } + + function roundLog2( x, mode ) { + + const log2 = Math.log2( x ); + return mode == 'ROUND_DOWN' ? Math.floor( log2 ) : Math.ceil( log2 ); + + } + + function calculateTileLevels( tiledesc, w, h ) { + + let num = 0; + + switch ( tiledesc.levelMode ) { + + case 'ONE_LEVEL': + num = 1; + break; + + case 'MIPMAP_LEVELS': + num = roundLog2( Math.max( w, h ), tiledesc.roundingMode ) + 1; + break; + + case 'RIPMAP_LEVELS': + throw new Error( 'THREE.EXRLoader: RIPMAP_LEVELS tiles currently unsupported.' ); + + } + + return num; + + } + + function calculateTiles( count, dataSize, size, roundingMode ) { + + const tiles = new Array( count ); + + for ( let i = 0; i < count; i ++ ) { + + const b = ( 1 << i ); + let s = ( dataSize / b ) | 0; + + if ( roundingMode == 'ROUND_UP' && s * b < dataSize ) s += 1; + + const l = Math.max( s, 1 ); + + tiles[ i ] = ( ( l + size - 1 ) / size ) | 0; + + } + + return tiles; + + } + + function parseTiles() { + + const EXRDecoder = this; + const offset = EXRDecoder.offset; + const tmpOffset = { value: 0 }; + + for ( let tile = 0; tile < EXRDecoder.tileCount; tile ++ ) { + + const tileX = parseInt32( EXRDecoder.viewer, offset ); + const tileY = parseInt32( EXRDecoder.viewer, offset ); + offset.value += 8; // skip levels - only parsing top-level + EXRDecoder.size = parseUint32( EXRDecoder.viewer, offset ); + + const startX = tileX * EXRDecoder.blockWidth; + const startY = tileY * EXRDecoder.blockHeight; + EXRDecoder.columns = ( startX + EXRDecoder.blockWidth > EXRDecoder.width ) ? EXRDecoder.width - startX : EXRDecoder.blockWidth; + EXRDecoder.lines = ( startY + EXRDecoder.blockHeight > EXRDecoder.height ) ? EXRDecoder.height - startY : EXRDecoder.blockHeight; + + const bytesBlockLine = EXRDecoder.columns * EXRDecoder.totalBytes; + const isCompressed = EXRDecoder.size < EXRDecoder.lines * bytesBlockLine; + const viewer = isCompressed ? EXRDecoder.uncompress( EXRDecoder ) : uncompressRAW( EXRDecoder ); + + offset.value += EXRDecoder.size; + + for ( let line = 0; line < EXRDecoder.lines; line ++ ) { + + const lineOffset = line * EXRDecoder.columns * EXRDecoder.totalBytes; + + for ( let channelID = 0; channelID < EXRDecoder.inputChannels.length; channelID ++ ) { + + const name = EXRHeader.channels[ channelID ].name; + const lOff = EXRDecoder.channelByteOffsets[ name ] * EXRDecoder.columns; + const cOff = EXRDecoder.decodeChannels[ name ]; + + if ( cOff === undefined ) continue; + + tmpOffset.value = lineOffset + lOff; + const outLineOffset = ( EXRDecoder.height - ( 1 + startY + line ) ) * EXRDecoder.outLineWidth; + + for ( let x = 0; x < EXRDecoder.columns; x ++ ) { + + const outIndex = outLineOffset + ( x + startX ) * EXRDecoder.outputChannels + cOff; + EXRDecoder.byteArray[ outIndex ] = EXRDecoder.getter( viewer, tmpOffset ); + + } + + } + + } + + } + + } + + function parseScanline() { + + const EXRDecoder = this; + const offset = EXRDecoder.offset; + const tmpOffset = { value: 0 }; + + for ( let scanlineBlockIdx = 0; scanlineBlockIdx < EXRDecoder.height / EXRDecoder.blockHeight; scanlineBlockIdx ++ ) { + + const line = parseInt32( EXRDecoder.viewer, offset ) - EXRHeader.dataWindow.yMin; // line_no + EXRDecoder.size = parseUint32( EXRDecoder.viewer, offset ); // data_len + EXRDecoder.lines = ( ( line + EXRDecoder.blockHeight > EXRDecoder.height ) ? ( EXRDecoder.height - line ) : EXRDecoder.blockHeight ); + + const bytesPerLine = EXRDecoder.columns * EXRDecoder.totalBytes; + const isCompressed = EXRDecoder.size < EXRDecoder.lines * bytesPerLine; + const viewer = isCompressed ? EXRDecoder.uncompress( EXRDecoder ) : uncompressRAW( EXRDecoder ); + + offset.value += EXRDecoder.size; + + for ( let line_y = 0; line_y < EXRDecoder.blockHeight; line_y ++ ) { + + const scan_y = scanlineBlockIdx * EXRDecoder.blockHeight; + const true_y = line_y + EXRDecoder.scanOrder( scan_y ); + if ( true_y >= EXRDecoder.height ) continue; + + const lineOffset = line_y * bytesPerLine; + const outLineOffset = ( EXRDecoder.height - 1 - true_y ) * EXRDecoder.outLineWidth; + + for ( let channelID = 0; channelID < EXRDecoder.inputChannels.length; channelID ++ ) { + + const name = EXRHeader.channels[ channelID ].name; + const lOff = EXRDecoder.channelByteOffsets[ name ] * EXRDecoder.columns; + const cOff = EXRDecoder.decodeChannels[ name ]; + + if ( cOff === undefined ) continue; + + tmpOffset.value = lineOffset + lOff; + + for ( let x = 0; x < EXRDecoder.columns; x ++ ) { + + const outIndex = outLineOffset + x * EXRDecoder.outputChannels + cOff; + EXRDecoder.byteArray[ outIndex ] = EXRDecoder.getter( viewer, tmpOffset ); + + } + + } + + } + + } + + } + + function parseHeader( dataView, buffer, offset ) { + + const EXRHeader = {}; + + if ( dataView.getUint32( 0, true ) != 20000630 ) { // magic + + throw new Error( 'THREE.EXRLoader: Provided file doesn\'t appear to be in OpenEXR format.' ); + + } + + EXRHeader.version = dataView.getUint8( 4 ); + + const spec = dataView.getUint8( 5 ); // fullMask + + EXRHeader.spec = { + singleTile: !! ( spec & 2 ), + longName: !! ( spec & 4 ), + deepFormat: !! ( spec & 8 ), + multiPart: !! ( spec & 16 ), + }; + + // start of header + + offset.value = 8; // start at 8 - after pre-amble + + let keepReading = true; + + while ( keepReading ) { + + const attributeName = parseNullTerminatedString( buffer, offset ); + + if ( attributeName === '' ) { + + keepReading = false; + + } else { + + const attributeType = parseNullTerminatedString( buffer, offset ); + const attributeSize = parseUint32( dataView, offset ); + const attributeValue = parseValue( dataView, buffer, offset, attributeType, attributeSize ); + + if ( attributeValue === undefined ) { + + console.warn( `THREE.EXRLoader: Skipped unknown header attribute type \'${attributeType}\'.` ); + + } else { + + EXRHeader[ attributeName ] = attributeValue; + + } + + } + + } + + if ( ( spec & ~ 0x06 ) != 0 ) { // unsupported deep-image, multi-part + + console.error( 'THREE.EXRHeader:', EXRHeader ); + throw new Error( 'THREE.EXRLoader: Provided file is currently unsupported.' ); + + } + + return EXRHeader; + + } + + function setupDecoder( EXRHeader, dataView, uInt8Array, offset, outputType, outputFormat ) { + + const EXRDecoder = { + size: 0, + viewer: dataView, + array: uInt8Array, + offset: offset, + width: EXRHeader.dataWindow.xMax - EXRHeader.dataWindow.xMin + 1, + height: EXRHeader.dataWindow.yMax - EXRHeader.dataWindow.yMin + 1, + inputChannels: EXRHeader.channels, + channelByteOffsets: {}, + shouldExpand: false, + scanOrder: null, + totalBytes: null, + columns: null, + lines: null, + type: null, + uncompress: null, + getter: null, + format: null, + colorSpace: LinearSRGBColorSpace, + }; + + switch ( EXRHeader.compression ) { + + case 'NO_COMPRESSION': + EXRDecoder.blockHeight = 1; + EXRDecoder.uncompress = uncompressRAW; + break; + + case 'RLE_COMPRESSION': + EXRDecoder.blockHeight = 1; + EXRDecoder.uncompress = uncompressRLE; + break; + + case 'ZIPS_COMPRESSION': + EXRDecoder.blockHeight = 1; + EXRDecoder.uncompress = uncompressZIP; + break; + + case 'ZIP_COMPRESSION': + EXRDecoder.blockHeight = 16; + EXRDecoder.uncompress = uncompressZIP; + break; + + case 'PIZ_COMPRESSION': + EXRDecoder.blockHeight = 32; + EXRDecoder.uncompress = uncompressPIZ; + break; + + case 'PXR24_COMPRESSION': + EXRDecoder.blockHeight = 16; + EXRDecoder.uncompress = uncompressPXR; + break; + + case 'DWAA_COMPRESSION': + EXRDecoder.blockHeight = 32; + EXRDecoder.uncompress = uncompressDWA; + break; + + case 'DWAB_COMPRESSION': + EXRDecoder.blockHeight = 256; + EXRDecoder.uncompress = uncompressDWA; + break; + + default: + throw new Error( 'EXRLoader.parse: ' + EXRHeader.compression + ' is unsupported' ); + + } + + const channels = {}; + for ( const channel of EXRHeader.channels ) { + + switch ( channel.name ) { + + case 'Y': + case 'R': + case 'G': + case 'B': + case 'A': + channels[ channel.name ] = true; + EXRDecoder.type = channel.pixelType; + + } + + } + + // RGB images will be converted to RGBA format, preventing software emulation in select devices. + let fillAlpha = false; + let invalidOutput = false; + + // Validate if input texture contain supported channels + if ( channels.R && channels.G && channels.B ) { + + EXRDecoder.outputChannels = 4; + + } else if ( channels.Y ) { + + EXRDecoder.outputChannels = 1; + + } else { + + throw new Error( 'EXRLoader.parse: file contains unsupported data channels.' ); + + } + + // Setup output texture configuration + switch ( EXRDecoder.outputChannels ) { + + case 4: + + if ( outputFormat == RGBAFormat ) { + + fillAlpha = ! channels.A; + EXRDecoder.format = RGBAFormat; + EXRDecoder.colorSpace = LinearSRGBColorSpace; + EXRDecoder.outputChannels = 4; + EXRDecoder.decodeChannels = { R: 0, G: 1, B: 2, A: 3 }; + + } else if ( outputFormat == RGFormat ) { + + EXRDecoder.format = RGFormat; + EXRDecoder.colorSpace = LinearSRGBColorSpace; + EXRDecoder.outputChannels = 2; + EXRDecoder.decodeChannels = { R: 0, G: 1 }; + + } else if ( outputFormat == RedFormat ) { + + EXRDecoder.format = RedFormat; + EXRDecoder.colorSpace = LinearSRGBColorSpace; + EXRDecoder.outputChannels = 1; + EXRDecoder.decodeChannels = { R: 0 }; + + } else { + + invalidOutput = true; + + } + + break; + + case 1: + + if ( outputFormat == RGBAFormat ) { + + fillAlpha = true; + EXRDecoder.format = RGBAFormat; + EXRDecoder.colorSpace = LinearSRGBColorSpace; + EXRDecoder.outputChannels = 4; + EXRDecoder.shouldExpand = true; + EXRDecoder.decodeChannels = { Y: 0 }; + + } else if ( outputFormat == RGFormat ) { + + EXRDecoder.format = RGFormat; + EXRDecoder.colorSpace = LinearSRGBColorSpace; + EXRDecoder.outputChannels = 2; + EXRDecoder.shouldExpand = true; + EXRDecoder.decodeChannels = { Y: 0 }; + + } else if ( outputFormat == RedFormat ) { + + EXRDecoder.format = RedFormat; + EXRDecoder.colorSpace = LinearSRGBColorSpace; + EXRDecoder.outputChannels = 1; + EXRDecoder.decodeChannels = { Y: 0 }; + + } else { + + invalidOutput = true; + + } + + break; + + default: + + invalidOutput = true; + + } + + if ( invalidOutput ) throw new Error( 'EXRLoader.parse: invalid output format for specified file.' ); + + if ( EXRDecoder.type == 1 ) { + + // half + switch ( outputType ) { + + case FloatType: + EXRDecoder.getter = parseFloat16; + break; + + case HalfFloatType: + EXRDecoder.getter = parseUint16; + break; + + } + + } else if ( EXRDecoder.type == 2 ) { + + // float + switch ( outputType ) { + + case FloatType: + EXRDecoder.getter = parseFloat32; + break; + + case HalfFloatType: + EXRDecoder.getter = decodeFloat32; + + } + + } else { + + throw new Error( 'EXRLoader.parse: unsupported pixelType ' + EXRDecoder.type + ' for ' + EXRHeader.compression + '.' ); + + } + + EXRDecoder.columns = EXRDecoder.width; + const size = EXRDecoder.width * EXRDecoder.height * EXRDecoder.outputChannels; + + switch ( outputType ) { + + case FloatType: + EXRDecoder.byteArray = new Float32Array( size ); + + // Fill initially with 1s for the alpha value if the texture is not RGBA, RGB values will be overwritten + if ( fillAlpha ) + EXRDecoder.byteArray.fill( 1, 0, size ); + + break; + + case HalfFloatType: + EXRDecoder.byteArray = new Uint16Array( size ); + + if ( fillAlpha ) + EXRDecoder.byteArray.fill( 0x3C00, 0, size ); // Uint16Array holds half float data, 0x3C00 is 1 + + break; + + default: + console.error( 'THREE.EXRLoader: unsupported type: ', outputType ); + break; + + } + + let byteOffset = 0; + for ( const channel of EXRHeader.channels ) { + + if ( EXRDecoder.decodeChannels[ channel.name ] !== undefined ) { + + EXRDecoder.channelByteOffsets[ channel.name ] = byteOffset; + + } + + byteOffset += channel.pixelType * 2; + + } + + EXRDecoder.totalBytes = byteOffset; + EXRDecoder.outLineWidth = EXRDecoder.width * EXRDecoder.outputChannels; + + if ( EXRHeader.lineOrder === 'INCREASING_Y' ) { + + EXRDecoder.scanOrder = ( y ) => y; + + } else { + + EXRDecoder.scanOrder = ( y ) => EXRDecoder.height - 1 - y; + + } + + if ( EXRHeader.spec.singleTile ) { + + EXRDecoder.blockHeight = EXRHeader.tiles.ySize; + EXRDecoder.blockWidth = EXRHeader.tiles.xSize; + + const numXLevels = calculateTileLevels( EXRHeader.tiles, EXRDecoder.width, EXRDecoder.height ); + // const numYLevels = calculateTileLevels( EXRHeader.tiles, EXRDecoder.width, EXRDecoder.height ); + + const numXTiles = calculateTiles( numXLevels, EXRDecoder.width, EXRHeader.tiles.xSize, EXRHeader.tiles.roundingMode ); + const numYTiles = calculateTiles( numXLevels, EXRDecoder.height, EXRHeader.tiles.ySize, EXRHeader.tiles.roundingMode ); + + EXRDecoder.tileCount = numXTiles[ 0 ] * numYTiles[ 0 ]; + + for ( let l = 0; l < numXLevels; l ++ ) + for ( let y = 0; y < numYTiles[ l ]; y ++ ) + for ( let x = 0; x < numXTiles[ l ]; x ++ ) + parseInt64( dataView, offset ); // tileOffset + + EXRDecoder.decode = parseTiles.bind( EXRDecoder ); + + } else { + + EXRDecoder.blockWidth = EXRDecoder.width; + const blockCount = Math.ceil( EXRDecoder.height / EXRDecoder.blockHeight ); + + for ( let i = 0; i < blockCount; i ++ ) + parseInt64( dataView, offset ); // scanlineOffset + + EXRDecoder.decode = parseScanline.bind( EXRDecoder ); + + } + + return EXRDecoder; + + } + + // start parsing file [START] + const offset = { value: 0 }; + const bufferDataView = new DataView( buffer ); + const uInt8Array = new Uint8Array( buffer ); + + // get header information and validate format. + const EXRHeader = parseHeader( bufferDataView, buffer, offset ); + + // get input compression information and prepare decoding. + const EXRDecoder = setupDecoder( EXRHeader, bufferDataView, uInt8Array, offset, this.type, this.outputFormat ); + + // parse input data + EXRDecoder.decode(); + + // output texture post-processing + if ( EXRDecoder.shouldExpand ) { + + const byteArray = EXRDecoder.byteArray; + + if ( this.outputFormat == RGBAFormat ) { + + for ( let i = 0; i < byteArray.length; i += 4 ) + byteArray[ i + 2 ] = ( byteArray[ i + 1 ] = byteArray[ i ] ); + + } else if ( this.outputFormat == RGFormat ) { + + for ( let i = 0; i < byteArray.length; i += 2 ) + byteArray[ i + 1 ] = byteArray[ i ]; + + } + + } + + return { + header: EXRHeader, + width: EXRDecoder.width, + height: EXRDecoder.height, + data: EXRDecoder.byteArray, + format: EXRDecoder.format, + colorSpace: EXRDecoder.colorSpace, + type: this.type, + }; + + } + + /** + * Sets the texture type. + * + * @param {(HalfFloatType|FloatType)} value - The texture type to set. + * @return {EXRLoader} A reference to this loader. + */ + setDataType( value ) { + + this.type = value; + return this; + + } + + /** + * Sets texture output format. Defaults to `RGBAFormat`. + * + * @param {(RGBAFormat|RGFormat|RedFormat)} value - Texture output format. + * @return {EXRLoader} A reference to this loader. + */ + setOutputFormat( value ) { + + this.outputFormat = value; + return this; + + } + + load( url, onLoad, onProgress, onError ) { + + function onLoadCallback( texture, texData ) { + + texture.colorSpace = texData.colorSpace; + texture.minFilter = LinearFilter; + texture.magFilter = LinearFilter; + texture.generateMipmaps = false; + texture.flipY = false; + + if ( onLoad ) onLoad( texture, texData ); + + } + + return super.load( url, onLoadCallback, onProgress, onError ); + + } + +} + +export { EXRLoader }; diff --git a/node_modules/three/examples/jsm/loaders/FBXLoader.js b/node_modules/three/examples/jsm/loaders/FBXLoader.js new file mode 100644 index 0000000..3933763 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/FBXLoader.js @@ -0,0 +1,4382 @@ +import { + AmbientLight, + AnimationClip, + Bone, + BufferGeometry, + ClampToEdgeWrapping, + Color, + ColorManagement, + DirectionalLight, + EquirectangularReflectionMapping, + Euler, + FileLoader, + Float32BufferAttribute, + Group, + Line, + LineBasicMaterial, + Loader, + LoaderUtils, + MathUtils, + Matrix3, + Matrix4, + Mesh, + MeshLambertMaterial, + MeshPhongMaterial, + NumberKeyframeTrack, + Object3D, + PerspectiveCamera, + PointLight, + PropertyBinding, + Quaternion, + QuaternionKeyframeTrack, + RepeatWrapping, + SRGBColorSpace, + ShapeUtils, + Skeleton, + SkinnedMesh, + SpotLight, + Texture, + TextureLoader, + Uint16BufferAttribute, + Vector2, + Vector3, + Vector4, + VectorKeyframeTrack +} from 'three'; + +import * as fflate from '../libs/fflate.module.js'; +import { NURBSCurve } from '../curves/NURBSCurve.js'; + +let fbxTree; +let connections; +let sceneGraph; + +/** + * A loader for the FBX format. + * + * Requires FBX file to be >= 7.0 and in ASCII or >= 6400 in Binary format. + * Versions lower than this may load but will probably have errors. + * + * Needs Support: + * - Morph normals / blend shape normals + * + * FBX format references: + * - [C++ SDK reference](https://help.autodesk.com/view/FBX/2017/ENU/?guid=__cpp_ref_index_html) + * + * Binary format specification: + * - [FBX binary file format specification](https://code.blender.org/2013/08/fbx-binary-file-format-specification/) + * + * ```js + * const loader = new FBXLoader(); + * const object = await loader.loadAsync( 'models/fbx/stanford-bunny.fbx' ); + * scene.add( object ); + * ``` + * + * @augments Loader + * @three_import import { FBXLoader } from 'three/addons/loaders/FBXLoader.js'; + */ +class FBXLoader extends Loader { + + /** + * Constructs a new FBX loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded FBX asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Group)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const path = ( scope.path === '' ) ? LoaderUtils.extractUrlBase( url ) : scope.path; + + const loader = new FileLoader( this.manager ); + loader.setPath( scope.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + + loader.load( url, function ( buffer ) { + + try { + + onLoad( scope.parse( buffer, path ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given FBX data and returns the resulting group. + * + * @param {ArrayBuffer} FBXBuffer - The raw FBX data as an array buffer. + * @param {string} path - The URL base path. + * @return {Group} An object representing the parsed asset. + */ + parse( FBXBuffer, path ) { + + if ( isFbxFormatBinary( FBXBuffer ) ) { + + fbxTree = new BinaryParser().parse( FBXBuffer ); + + } else { + + const FBXText = convertArrayBufferToString( FBXBuffer ); + + if ( ! isFbxFormatASCII( FBXText ) ) { + + throw new Error( 'THREE.FBXLoader: Unknown format.' ); + + } + + if ( getFbxVersion( FBXText ) < 7000 ) { + + throw new Error( 'THREE.FBXLoader: FBX version not supported, FileVersion: ' + getFbxVersion( FBXText ) ); + + } + + fbxTree = new TextParser().parse( FBXText ); + + } + + // console.log( fbxTree ); + + const textureLoader = new TextureLoader( this.manager ).setPath( this.resourcePath || path ).setCrossOrigin( this.crossOrigin ); + + return new FBXTreeParser( textureLoader, this.manager ).parse( fbxTree ); + + } + +} + +// Parse the FBXTree object returned by the BinaryParser or TextParser and return a Group +class FBXTreeParser { + + constructor( textureLoader, manager ) { + + this.textureLoader = textureLoader; + this.manager = manager; + + } + + parse() { + + connections = this.parseConnections(); + + const images = this.parseImages(); + const textures = this.parseTextures( images ); + const materials = this.parseMaterials( textures ); + const deformers = this.parseDeformers(); + const geometryMap = new GeometryParser().parse( deformers ); + + this.parseScene( deformers, geometryMap, materials ); + + return sceneGraph; + + } + + // Parses FBXTree.Connections which holds parent-child connections between objects (e.g. material -> texture, model->geometry ) + // and details the connection type + parseConnections() { + + const connectionMap = new Map(); + + if ( 'Connections' in fbxTree ) { + + const rawConnections = fbxTree.Connections.connections; + + rawConnections.forEach( function ( rawConnection ) { + + const fromID = rawConnection[ 0 ]; + const toID = rawConnection[ 1 ]; + const relationship = rawConnection[ 2 ]; + + if ( ! connectionMap.has( fromID ) ) { + + connectionMap.set( fromID, { + parents: [], + children: [] + } ); + + } + + const parentRelationship = { ID: toID, relationship: relationship }; + connectionMap.get( fromID ).parents.push( parentRelationship ); + + if ( ! connectionMap.has( toID ) ) { + + connectionMap.set( toID, { + parents: [], + children: [] + } ); + + } + + const childRelationship = { ID: fromID, relationship: relationship }; + connectionMap.get( toID ).children.push( childRelationship ); + + } ); + + } + + return connectionMap; + + } + + // Parse FBXTree.Objects.Video for embedded image data + // These images are connected to textures in FBXTree.Objects.Textures + // via FBXTree.Connections. + parseImages() { + + const images = {}; + const blobs = {}; + + if ( 'Video' in fbxTree.Objects ) { + + const videoNodes = fbxTree.Objects.Video; + + for ( const nodeID in videoNodes ) { + + const videoNode = videoNodes[ nodeID ]; + + const id = parseInt( nodeID ); + + images[ id ] = videoNode.RelativeFilename || videoNode.Filename; + + // raw image data is in videoNode.Content + if ( 'Content' in videoNode ) { + + const arrayBufferContent = ( videoNode.Content instanceof ArrayBuffer ) && ( videoNode.Content.byteLength > 0 ); + const base64Content = ( typeof videoNode.Content === 'string' ) && ( videoNode.Content !== '' ); + + if ( arrayBufferContent || base64Content ) { + + const image = this.parseImage( videoNodes[ nodeID ] ); + + blobs[ videoNode.RelativeFilename || videoNode.Filename ] = image; + + } + + } + + } + + } + + for ( const id in images ) { + + const filename = images[ id ]; + + if ( blobs[ filename ] !== undefined ) images[ id ] = blobs[ filename ]; + else images[ id ] = images[ id ].split( '\\' ).pop(); + + } + + return images; + + } + + // Parse embedded image data in FBXTree.Video.Content + parseImage( videoNode ) { + + const content = videoNode.Content; + const fileName = videoNode.RelativeFilename || videoNode.Filename; + const extension = fileName.slice( fileName.lastIndexOf( '.' ) + 1 ).toLowerCase(); + + let type; + + switch ( extension ) { + + case 'bmp': + + type = 'image/bmp'; + break; + + case 'jpg': + case 'jpeg': + + type = 'image/jpeg'; + break; + + case 'png': + + type = 'image/png'; + break; + + case 'tif': + + type = 'image/tiff'; + break; + + case 'tga': + + if ( this.manager.getHandler( '.tga' ) === null ) { + + console.warn( 'FBXLoader: TGA loader not found, skipping ', fileName ); + + } + + type = 'image/tga'; + break; + + case 'webp': + + type = 'image/webp'; + break; + + default: + + console.warn( 'FBXLoader: Image type "' + extension + '" is not supported.' ); + return; + + } + + if ( typeof content === 'string' ) { // ASCII format + + return 'data:' + type + ';base64,' + content; + + } else { // Binary Format + + const array = new Uint8Array( content ); + return window.URL.createObjectURL( new Blob( [ array ], { type: type } ) ); + + } + + } + + // Parse nodes in FBXTree.Objects.Texture + // These contain details such as UV scaling, cropping, rotation etc and are connected + // to images in FBXTree.Objects.Video + parseTextures( images ) { + + const textureMap = new Map(); + + if ( 'Texture' in fbxTree.Objects ) { + + const textureNodes = fbxTree.Objects.Texture; + for ( const nodeID in textureNodes ) { + + const texture = this.parseTexture( textureNodes[ nodeID ], images ); + textureMap.set( parseInt( nodeID ), texture ); + + } + + } + + return textureMap; + + } + + // Parse individual node in FBXTree.Objects.Texture + parseTexture( textureNode, images ) { + + const texture = this.loadTexture( textureNode, images ); + + texture.ID = textureNode.id; + + texture.name = textureNode.attrName; + + const wrapModeU = textureNode.WrapModeU; + const wrapModeV = textureNode.WrapModeV; + + const valueU = wrapModeU !== undefined ? wrapModeU.value : 0; + const valueV = wrapModeV !== undefined ? wrapModeV.value : 0; + + // http://download.autodesk.com/us/fbx/SDKdocs/FBX_SDK_Help/files/fbxsdkref/class_k_fbx_texture.html#889640e63e2e681259ea81061b85143a + // 0: repeat(default), 1: clamp + + texture.wrapS = valueU === 0 ? RepeatWrapping : ClampToEdgeWrapping; + texture.wrapT = valueV === 0 ? RepeatWrapping : ClampToEdgeWrapping; + + if ( 'Scaling' in textureNode ) { + + const values = textureNode.Scaling.value; + + texture.repeat.x = values[ 0 ]; + texture.repeat.y = values[ 1 ]; + + } + + if ( 'Translation' in textureNode ) { + + const values = textureNode.Translation.value; + + texture.offset.x = values[ 0 ]; + texture.offset.y = values[ 1 ]; + + } + + return texture; + + } + + // load a texture specified as a blob or data URI, or via an external URL using TextureLoader + loadTexture( textureNode, images ) { + + const extension = textureNode.FileName.split( '.' ).pop().toLowerCase(); + + let loader = this.manager.getHandler( `.${extension}` ); + if ( loader === null ) loader = this.textureLoader; + + const loaderPath = loader.path; + + if ( ! loaderPath ) { + + loader.setPath( this.textureLoader.path ); + + } + + const children = connections.get( textureNode.id ).children; + + let fileName; + + if ( children !== undefined && children.length > 0 && images[ children[ 0 ].ID ] !== undefined ) { + + fileName = images[ children[ 0 ].ID ]; + + if ( fileName.indexOf( 'blob:' ) === 0 || fileName.indexOf( 'data:' ) === 0 ) { + + loader.setPath( undefined ); + + } + + } + + if ( fileName === undefined ) { + + console.warn( 'FBXLoader: Undefined filename, creating placeholder texture.' ); + return new Texture(); + + } + + const texture = loader.load( fileName ); + + // revert to initial path + loader.setPath( loaderPath ); + + return texture; + + } + + // Parse nodes in FBXTree.Objects.Material + parseMaterials( textureMap ) { + + const materialMap = new Map(); + + if ( 'Material' in fbxTree.Objects ) { + + const materialNodes = fbxTree.Objects.Material; + + for ( const nodeID in materialNodes ) { + + const material = this.parseMaterial( materialNodes[ nodeID ], textureMap ); + + if ( material !== null ) materialMap.set( parseInt( nodeID ), material ); + + } + + } + + return materialMap; + + } + + // Parse single node in FBXTree.Objects.Material + // Materials are connected to texture maps in FBXTree.Objects.Textures + // FBX format currently only supports Lambert and Phong shading models + parseMaterial( materialNode, textureMap ) { + + const ID = materialNode.id; + const name = materialNode.attrName; + let type = materialNode.ShadingModel; + + // Case where FBX wraps shading model in property object. + if ( typeof type === 'object' ) { + + type = type.value; + + } + + // Ignore unused materials which don't have any connections. + if ( ! connections.has( ID ) ) return null; + + const parameters = this.parseParameters( materialNode, textureMap, ID ); + + let material; + + switch ( type.toLowerCase() ) { + + case 'phong': + material = new MeshPhongMaterial(); + break; + case 'lambert': + material = new MeshLambertMaterial(); + break; + default: + console.warn( 'THREE.FBXLoader: unknown material type "%s". Defaulting to MeshPhongMaterial.', type ); + material = new MeshPhongMaterial(); + break; + + } + + material.setValues( parameters ); + material.name = name; + + return material; + + } + + // Parse FBX material and return parameters suitable for a three.js material + // Also parse the texture map and return any textures associated with the material + parseParameters( materialNode, textureMap, ID ) { + + const parameters = {}; + + if ( materialNode.BumpFactor ) { + + parameters.bumpScale = materialNode.BumpFactor.value; + + } + + if ( materialNode.Diffuse ) { + + parameters.color = ColorManagement.colorSpaceToWorking( new Color().fromArray( materialNode.Diffuse.value ), SRGBColorSpace ); + + } else if ( materialNode.DiffuseColor && ( materialNode.DiffuseColor.type === 'Color' || materialNode.DiffuseColor.type === 'ColorRGB' ) ) { + + // The blender exporter exports diffuse here instead of in materialNode.Diffuse + parameters.color = ColorManagement.colorSpaceToWorking( new Color().fromArray( materialNode.DiffuseColor.value ), SRGBColorSpace ); + + } + + if ( materialNode.DisplacementFactor ) { + + parameters.displacementScale = materialNode.DisplacementFactor.value; + + } + + if ( materialNode.Emissive ) { + + parameters.emissive = ColorManagement.colorSpaceToWorking( new Color().fromArray( materialNode.Emissive.value ), SRGBColorSpace ); + + } else if ( materialNode.EmissiveColor && ( materialNode.EmissiveColor.type === 'Color' || materialNode.EmissiveColor.type === 'ColorRGB' ) ) { + + // The blender exporter exports emissive color here instead of in materialNode.Emissive + parameters.emissive = ColorManagement.colorSpaceToWorking( new Color().fromArray( materialNode.EmissiveColor.value ), SRGBColorSpace ); + + } + + if ( materialNode.EmissiveFactor ) { + + parameters.emissiveIntensity = parseFloat( materialNode.EmissiveFactor.value ); + + } + + // the transparency handling is implemented based on Blender/Unity's approach: https://github.com/sobotka/blender-addons/blob/7d80f2f97161fc8e353a657b179b9aa1f8e5280b/io_scene_fbx/import_fbx.py#L1444-L1459 + + parameters.opacity = 1 - ( materialNode.TransparencyFactor ? parseFloat( materialNode.TransparencyFactor.value ) : 0 ); + + if ( parameters.opacity === 1 || parameters.opacity === 0 ) { + + parameters.opacity = ( materialNode.Opacity ? parseFloat( materialNode.Opacity.value ) : null ); + + if ( parameters.opacity === null ) { + + parameters.opacity = 1 - ( materialNode.TransparentColor ? parseFloat( materialNode.TransparentColor.value[ 0 ] ) : 0 ); + + } + + } + + if ( parameters.opacity < 1.0 ) { + + parameters.transparent = true; + + } + + if ( materialNode.ReflectionFactor ) { + + parameters.reflectivity = materialNode.ReflectionFactor.value; + + } + + if ( materialNode.Shininess ) { + + parameters.shininess = materialNode.Shininess.value; + + } + + if ( materialNode.Specular ) { + + parameters.specular = ColorManagement.colorSpaceToWorking( new Color().fromArray( materialNode.Specular.value ), SRGBColorSpace ); + + } else if ( materialNode.SpecularColor && materialNode.SpecularColor.type === 'Color' ) { + + // The blender exporter exports specular color here instead of in materialNode.Specular + parameters.specular = ColorManagement.colorSpaceToWorking( new Color().fromArray( materialNode.SpecularColor.value ), SRGBColorSpace ); + + } + + const scope = this; + connections.get( ID ).children.forEach( function ( child ) { + + const type = child.relationship; + + switch ( type ) { + + case 'Bump': + parameters.bumpMap = scope.getTexture( textureMap, child.ID ); + break; + + case 'Maya|TEX_ao_map': + parameters.aoMap = scope.getTexture( textureMap, child.ID ); + break; + + case 'DiffuseColor': + case 'Maya|TEX_color_map': + parameters.map = scope.getTexture( textureMap, child.ID ); + if ( parameters.map !== undefined ) { + + parameters.map.colorSpace = SRGBColorSpace; + + } + + break; + + case 'DisplacementColor': + parameters.displacementMap = scope.getTexture( textureMap, child.ID ); + break; + + case 'EmissiveColor': + parameters.emissiveMap = scope.getTexture( textureMap, child.ID ); + if ( parameters.emissiveMap !== undefined ) { + + parameters.emissiveMap.colorSpace = SRGBColorSpace; + + } + + break; + + case 'NormalMap': + case 'Maya|TEX_normal_map': + parameters.normalMap = scope.getTexture( textureMap, child.ID ); + break; + + case 'ReflectionColor': + parameters.envMap = scope.getTexture( textureMap, child.ID ); + if ( parameters.envMap !== undefined ) { + + parameters.envMap.mapping = EquirectangularReflectionMapping; + parameters.envMap.colorSpace = SRGBColorSpace; + + } + + break; + + case 'SpecularColor': + parameters.specularMap = scope.getTexture( textureMap, child.ID ); + if ( parameters.specularMap !== undefined ) { + + parameters.specularMap.colorSpace = SRGBColorSpace; + + } + + break; + + case 'TransparentColor': + case 'TransparencyFactor': + parameters.alphaMap = scope.getTexture( textureMap, child.ID ); + parameters.transparent = true; + break; + + case 'AmbientColor': + case 'ShininessExponent': // AKA glossiness map + case 'SpecularFactor': // AKA specularLevel + case 'VectorDisplacementColor': // NOTE: Seems to be a copy of DisplacementColor + default: + console.warn( 'THREE.FBXLoader: %s map is not supported in three.js, skipping texture.', type ); + break; + + } + + } ); + + return parameters; + + } + + // get a texture from the textureMap for use by a material. + getTexture( textureMap, id ) { + + // if the texture is a layered texture, just use the first layer and issue a warning + if ( 'LayeredTexture' in fbxTree.Objects && id in fbxTree.Objects.LayeredTexture ) { + + console.warn( 'THREE.FBXLoader: layered textures are not supported in three.js. Discarding all but first layer.' ); + id = connections.get( id ).children[ 0 ].ID; + + } + + return textureMap.get( id ); + + } + + // Parse nodes in FBXTree.Objects.Deformer + // Deformer node can contain skinning or Vertex Cache animation data, however only skinning is supported here + // Generates map of Skeleton-like objects for use later when generating and binding skeletons. + parseDeformers() { + + const skeletons = {}; + const morphTargets = {}; + + if ( 'Deformer' in fbxTree.Objects ) { + + const DeformerNodes = fbxTree.Objects.Deformer; + + for ( const nodeID in DeformerNodes ) { + + const deformerNode = DeformerNodes[ nodeID ]; + + const relationships = connections.get( parseInt( nodeID ) ); + + if ( deformerNode.attrType === 'Skin' ) { + + const skeleton = this.parseSkeleton( relationships, DeformerNodes ); + skeleton.ID = nodeID; + + if ( relationships.parents.length > 1 ) console.warn( 'THREE.FBXLoader: skeleton attached to more than one geometry is not supported.' ); + skeleton.geometryID = relationships.parents[ 0 ].ID; + + skeletons[ nodeID ] = skeleton; + + } else if ( deformerNode.attrType === 'BlendShape' ) { + + const morphTarget = { + id: nodeID, + }; + + morphTarget.rawTargets = this.parseMorphTargets( relationships, DeformerNodes ); + morphTarget.id = nodeID; + + if ( relationships.parents.length > 1 ) console.warn( 'THREE.FBXLoader: morph target attached to more than one geometry is not supported.' ); + + morphTargets[ nodeID ] = morphTarget; + + } + + } + + } + + return { + + skeletons: skeletons, + morphTargets: morphTargets, + + }; + + } + + // Parse single nodes in FBXTree.Objects.Deformer + // The top level skeleton node has type 'Skin' and sub nodes have type 'Cluster' + // Each skin node represents a skeleton and each cluster node represents a bone + parseSkeleton( relationships, deformerNodes ) { + + const rawBones = []; + + relationships.children.forEach( function ( child ) { + + const boneNode = deformerNodes[ child.ID ]; + + if ( boneNode.attrType !== 'Cluster' ) return; + + const rawBone = { + + ID: child.ID, + indices: [], + weights: [], + transformLink: new Matrix4().fromArray( boneNode.TransformLink.a ), + // transform: new Matrix4().fromArray( boneNode.Transform.a ), + // linkMode: boneNode.Mode, + + }; + + if ( 'Indexes' in boneNode ) { + + rawBone.indices = boneNode.Indexes.a; + rawBone.weights = boneNode.Weights.a; + + } + + rawBones.push( rawBone ); + + } ); + + return { + + rawBones: rawBones, + bones: [] + + }; + + } + + // The top level morph deformer node has type "BlendShape" and sub nodes have type "BlendShapeChannel" + parseMorphTargets( relationships, deformerNodes ) { + + const rawMorphTargets = []; + + for ( let i = 0; i < relationships.children.length; i ++ ) { + + const child = relationships.children[ i ]; + + const morphTargetNode = deformerNodes[ child.ID ]; + + const rawMorphTarget = { + + name: morphTargetNode.attrName, + initialWeight: morphTargetNode.DeformPercent, + id: morphTargetNode.id, + fullWeights: morphTargetNode.FullWeights.a + + }; + + if ( morphTargetNode.attrType !== 'BlendShapeChannel' ) return; + + rawMorphTarget.geoID = connections.get( parseInt( child.ID ) ).children.filter( function ( child ) { + + return child.relationship === undefined; + + } )[ 0 ].ID; + + rawMorphTargets.push( rawMorphTarget ); + + } + + return rawMorphTargets; + + } + + // create the main Group() to be returned by the loader + parseScene( deformers, geometryMap, materialMap ) { + + sceneGraph = new Group(); + + const modelMap = this.parseModels( deformers.skeletons, geometryMap, materialMap ); + + const modelNodes = fbxTree.Objects.Model; + + const scope = this; + modelMap.forEach( function ( model ) { + + const modelNode = modelNodes[ model.ID ]; + scope.setLookAtProperties( model, modelNode ); + + const parentConnections = connections.get( model.ID ).parents; + + parentConnections.forEach( function ( connection ) { + + const parent = modelMap.get( connection.ID ); + if ( parent !== undefined ) parent.add( model ); + + } ); + + if ( model.parent === null ) { + + sceneGraph.add( model ); + + } + + + } ); + + this.bindSkeleton( deformers.skeletons, geometryMap, modelMap ); + + this.addGlobalSceneSettings(); + + sceneGraph.traverse( function ( node ) { + + if ( node.userData.transformData ) { + + if ( node.parent ) { + + node.userData.transformData.parentMatrix = node.parent.matrix; + node.userData.transformData.parentMatrixWorld = node.parent.matrixWorld; + + } + + const transform = generateTransform( node.userData.transformData ); + + node.applyMatrix4( transform ); + node.updateWorldMatrix(); + + } + + } ); + + const animations = new AnimationParser().parse(); + + // if all the models where already combined in a single group, just return that + if ( sceneGraph.children.length === 1 && sceneGraph.children[ 0 ].isGroup ) { + + sceneGraph.children[ 0 ].animations = animations; + sceneGraph = sceneGraph.children[ 0 ]; + + } + + sceneGraph.animations = animations; + + } + + // parse nodes in FBXTree.Objects.Model + parseModels( skeletons, geometryMap, materialMap ) { + + const modelMap = new Map(); + const modelNodes = fbxTree.Objects.Model; + + for ( const nodeID in modelNodes ) { + + const id = parseInt( nodeID ); + const node = modelNodes[ nodeID ]; + const relationships = connections.get( id ); + + let model = this.buildSkeleton( relationships, skeletons, id, node.attrName ); + + if ( ! model ) { + + switch ( node.attrType ) { + + case 'Camera': + model = this.createCamera( relationships ); + break; + case 'Light': + model = this.createLight( relationships ); + break; + case 'Mesh': + model = this.createMesh( relationships, geometryMap, materialMap ); + break; + case 'NurbsCurve': + model = this.createCurve( relationships, geometryMap ); + break; + case 'LimbNode': + case 'Root': + model = new Bone(); + break; + case 'Null': + default: + model = new Group(); + break; + + } + + model.name = node.attrName ? PropertyBinding.sanitizeNodeName( node.attrName ) : ''; + model.userData.originalName = node.attrName; + + model.ID = id; + + } + + this.getTransformData( model, node ); + modelMap.set( id, model ); + + } + + return modelMap; + + } + + buildSkeleton( relationships, skeletons, id, name ) { + + let bone = null; + + relationships.parents.forEach( function ( parent ) { + + for ( const ID in skeletons ) { + + const skeleton = skeletons[ ID ]; + + skeleton.rawBones.forEach( function ( rawBone, i ) { + + if ( rawBone.ID === parent.ID ) { + + const subBone = bone; + bone = new Bone(); + + bone.matrixWorld.copy( rawBone.transformLink ); + + // set name and id here - otherwise in cases where "subBone" is created it will not have a name / id + + bone.name = name ? PropertyBinding.sanitizeNodeName( name ) : ''; + bone.userData.originalName = name; + bone.ID = id; + + skeleton.bones[ i ] = bone; + + // In cases where a bone is shared between multiple meshes + // duplicate the bone here and add it as a child of the first bone + if ( subBone !== null ) { + + bone.add( subBone ); + + } + + } + + } ); + + } + + } ); + + return bone; + + } + + // create a PerspectiveCamera or OrthographicCamera + createCamera( relationships ) { + + let model; + let cameraAttribute; + + relationships.children.forEach( function ( child ) { + + const attr = fbxTree.Objects.NodeAttribute[ child.ID ]; + + if ( attr !== undefined ) { + + cameraAttribute = attr; + + } + + } ); + + if ( cameraAttribute === undefined ) { + + model = new Object3D(); + + } else { + + let type = 0; + if ( cameraAttribute.CameraProjectionType !== undefined && cameraAttribute.CameraProjectionType.value === 1 ) { + + type = 1; + + } + + let nearClippingPlane = 1; + if ( cameraAttribute.NearPlane !== undefined ) { + + nearClippingPlane = cameraAttribute.NearPlane.value / 1000; + + } + + let farClippingPlane = 1000; + if ( cameraAttribute.FarPlane !== undefined ) { + + farClippingPlane = cameraAttribute.FarPlane.value / 1000; + + } + + + let width = window.innerWidth; + let height = window.innerHeight; + + if ( cameraAttribute.AspectWidth !== undefined && cameraAttribute.AspectHeight !== undefined ) { + + width = cameraAttribute.AspectWidth.value; + height = cameraAttribute.AspectHeight.value; + + } + + const aspect = width / height; + + let fov = 45; + if ( cameraAttribute.FieldOfView !== undefined ) { + + fov = cameraAttribute.FieldOfView.value; + + } + + const focalLength = cameraAttribute.FocalLength ? cameraAttribute.FocalLength.value : null; + + switch ( type ) { + + case 0: // Perspective + model = new PerspectiveCamera( fov, aspect, nearClippingPlane, farClippingPlane ); + if ( focalLength !== null ) model.setFocalLength( focalLength ); + break; + + case 1: // Orthographic + console.warn( 'THREE.FBXLoader: Orthographic cameras not supported yet.' ); + model = new Object3D(); + break; + + default: + console.warn( 'THREE.FBXLoader: Unknown camera type ' + type + '.' ); + model = new Object3D(); + break; + + } + + } + + return model; + + } + + // Create a DirectionalLight, PointLight or SpotLight + createLight( relationships ) { + + let model; + let lightAttribute; + + relationships.children.forEach( function ( child ) { + + const attr = fbxTree.Objects.NodeAttribute[ child.ID ]; + + if ( attr !== undefined ) { + + lightAttribute = attr; + + } + + } ); + + if ( lightAttribute === undefined ) { + + model = new Object3D(); + + } else { + + let type; + + // LightType can be undefined for Point lights + if ( lightAttribute.LightType === undefined ) { + + type = 0; + + } else { + + type = lightAttribute.LightType.value; + + } + + let color = 0xffffff; + + if ( lightAttribute.Color !== undefined ) { + + color = ColorManagement.colorSpaceToWorking( new Color().fromArray( lightAttribute.Color.value ), SRGBColorSpace ); + + } + + let intensity = ( lightAttribute.Intensity === undefined ) ? 1 : lightAttribute.Intensity.value / 100; + + // light disabled + if ( lightAttribute.CastLightOnObject !== undefined && lightAttribute.CastLightOnObject.value === 0 ) { + + intensity = 0; + + } + + let distance = 0; + if ( lightAttribute.FarAttenuationEnd !== undefined ) { + + if ( lightAttribute.EnableFarAttenuation !== undefined && lightAttribute.EnableFarAttenuation.value === 0 ) { + + distance = 0; + + } else { + + distance = lightAttribute.FarAttenuationEnd.value; + + } + + } + + // TODO: could this be calculated linearly from FarAttenuationStart to FarAttenuationEnd? + const decay = 1; + + switch ( type ) { + + case 0: // Point + model = new PointLight( color, intensity, distance, decay ); + break; + + case 1: // Directional + model = new DirectionalLight( color, intensity ); + break; + + case 2: // Spot + let angle = Math.PI / 3; + + if ( lightAttribute.InnerAngle !== undefined ) { + + angle = MathUtils.degToRad( lightAttribute.InnerAngle.value ); + + } + + let penumbra = 0; + if ( lightAttribute.OuterAngle !== undefined ) { + + // TODO: this is not correct - FBX calculates outer and inner angle in degrees + // with OuterAngle > InnerAngle && OuterAngle <= Math.PI + // while three.js uses a penumbra between (0, 1) to attenuate the inner angle + penumbra = MathUtils.degToRad( lightAttribute.OuterAngle.value ); + penumbra = Math.max( penumbra, 1 ); + + } + + model = new SpotLight( color, intensity, distance, angle, penumbra, decay ); + break; + + default: + console.warn( 'THREE.FBXLoader: Unknown light type ' + lightAttribute.LightType.value + ', defaulting to a PointLight.' ); + model = new PointLight( color, intensity ); + break; + + } + + if ( lightAttribute.CastShadows !== undefined && lightAttribute.CastShadows.value === 1 ) { + + model.castShadow = true; + + } + + } + + return model; + + } + + createMesh( relationships, geometryMap, materialMap ) { + + let model; + let geometry = null; + let material = null; + const materials = []; + + // get geometry and materials(s) from connections + relationships.children.forEach( function ( child ) { + + if ( geometryMap.has( child.ID ) ) { + + geometry = geometryMap.get( child.ID ); + + } + + if ( materialMap.has( child.ID ) ) { + + materials.push( materialMap.get( child.ID ) ); + + } + + } ); + + if ( materials.length > 1 ) { + + material = materials; + + } else if ( materials.length > 0 ) { + + material = materials[ 0 ]; + + } else { + + material = new MeshPhongMaterial( { + name: Loader.DEFAULT_MATERIAL_NAME, + color: 0xcccccc + } ); + materials.push( material ); + + } + + if ( 'color' in geometry.attributes ) { + + materials.forEach( function ( material ) { + + material.vertexColors = true; + + } ); + + } + + // Sanitization: If geometry has groups, then it must match the provided material array. + // If not, we need to clean up the `group.materialIndex` properties inside the groups and point at a (new) default material. + // This isn't well defined; Unity creates default material, while Blender implicitly uses the previous material in the list. + if ( geometry.groups.length > 0 ) { + + let needsDefaultMaterial = false; + + for ( let i = 0, il = geometry.groups.length; i < il; i ++ ) { + + const group = geometry.groups[ i ]; + + if ( group.materialIndex < 0 || group.materialIndex >= materials.length ) { + + group.materialIndex = materials.length; + needsDefaultMaterial = true; + + } + + } + + if ( needsDefaultMaterial ) { + + const defaultMaterial = new MeshPhongMaterial(); + materials.push( defaultMaterial ); + + } + + } + + if ( geometry.FBX_Deformer ) { + + model = new SkinnedMesh( geometry, material ); + model.normalizeSkinWeights(); + + } else { + + model = new Mesh( geometry, material ); + + } + + return model; + + } + + createCurve( relationships, geometryMap ) { + + const geometry = relationships.children.reduce( function ( geo, child ) { + + if ( geometryMap.has( child.ID ) ) geo = geometryMap.get( child.ID ); + + return geo; + + }, null ); + + // FBX does not list materials for Nurbs lines, so we'll just put our own in here. + const material = new LineBasicMaterial( { + name: Loader.DEFAULT_MATERIAL_NAME, + color: 0x3300ff, + linewidth: 1 + } ); + return new Line( geometry, material ); + + } + + // parse the model node for transform data + getTransformData( model, modelNode ) { + + const transformData = {}; + + if ( 'InheritType' in modelNode ) transformData.inheritType = parseInt( modelNode.InheritType.value ); + + if ( 'RotationOrder' in modelNode ) transformData.eulerOrder = getEulerOrder( modelNode.RotationOrder.value ); + else transformData.eulerOrder = getEulerOrder( 0 ); + + if ( 'Lcl_Translation' in modelNode ) transformData.translation = modelNode.Lcl_Translation.value; + + if ( 'PreRotation' in modelNode ) transformData.preRotation = modelNode.PreRotation.value; + if ( 'Lcl_Rotation' in modelNode ) transformData.rotation = modelNode.Lcl_Rotation.value; + if ( 'PostRotation' in modelNode ) transformData.postRotation = modelNode.PostRotation.value; + + if ( 'Lcl_Scaling' in modelNode ) transformData.scale = modelNode.Lcl_Scaling.value; + + if ( 'ScalingOffset' in modelNode ) transformData.scalingOffset = modelNode.ScalingOffset.value; + if ( 'ScalingPivot' in modelNode ) transformData.scalingPivot = modelNode.ScalingPivot.value; + + if ( 'RotationOffset' in modelNode ) transformData.rotationOffset = modelNode.RotationOffset.value; + if ( 'RotationPivot' in modelNode ) transformData.rotationPivot = modelNode.RotationPivot.value; + + model.userData.transformData = transformData; + + } + + setLookAtProperties( model, modelNode ) { + + if ( 'LookAtProperty' in modelNode ) { + + const children = connections.get( model.ID ).children; + + children.forEach( function ( child ) { + + if ( child.relationship === 'LookAtProperty' ) { + + const lookAtTarget = fbxTree.Objects.Model[ child.ID ]; + + if ( 'Lcl_Translation' in lookAtTarget ) { + + const pos = lookAtTarget.Lcl_Translation.value; + + // DirectionalLight, SpotLight + if ( model.target !== undefined ) { + + model.target.position.fromArray( pos ); + sceneGraph.add( model.target ); + + } else { // Cameras and other Object3Ds + + model.lookAt( new Vector3().fromArray( pos ) ); + + } + + } + + } + + } ); + + } + + } + + bindSkeleton( skeletons, geometryMap, modelMap ) { + + const bindMatrices = this.parsePoseNodes(); + + for ( const ID in skeletons ) { + + const skeleton = skeletons[ ID ]; + + const parents = connections.get( parseInt( skeleton.ID ) ).parents; + + parents.forEach( function ( parent ) { + + if ( geometryMap.has( parent.ID ) ) { + + const geoID = parent.ID; + const geoRelationships = connections.get( geoID ); + + geoRelationships.parents.forEach( function ( geoConnParent ) { + + if ( modelMap.has( geoConnParent.ID ) ) { + + const model = modelMap.get( geoConnParent.ID ); + + model.bind( new Skeleton( skeleton.bones ), bindMatrices[ geoConnParent.ID ] ); + + } + + } ); + + } + + } ); + + } + + } + + parsePoseNodes() { + + const bindMatrices = {}; + + if ( 'Pose' in fbxTree.Objects ) { + + const BindPoseNode = fbxTree.Objects.Pose; + + for ( const nodeID in BindPoseNode ) { + + if ( BindPoseNode[ nodeID ].attrType === 'BindPose' && BindPoseNode[ nodeID ].NbPoseNodes > 0 ) { + + const poseNodes = BindPoseNode[ nodeID ].PoseNode; + + if ( Array.isArray( poseNodes ) ) { + + poseNodes.forEach( function ( poseNode ) { + + bindMatrices[ poseNode.Node ] = new Matrix4().fromArray( poseNode.Matrix.a ); + + } ); + + } else { + + bindMatrices[ poseNodes.Node ] = new Matrix4().fromArray( poseNodes.Matrix.a ); + + } + + } + + } + + } + + return bindMatrices; + + } + + addGlobalSceneSettings() { + + if ( 'GlobalSettings' in fbxTree ) { + + if ( 'AmbientColor' in fbxTree.GlobalSettings ) { + + // Parse ambient color - if it's not set to black (default), create an ambient light + + const ambientColor = fbxTree.GlobalSettings.AmbientColor.value; + const r = ambientColor[ 0 ]; + const g = ambientColor[ 1 ]; + const b = ambientColor[ 2 ]; + + if ( r !== 0 || g !== 0 || b !== 0 ) { + + const color = new Color().setRGB( r, g, b, SRGBColorSpace ); + sceneGraph.add( new AmbientLight( color, 1 ) ); + + } + + } + + if ( 'UnitScaleFactor' in fbxTree.GlobalSettings ) { + + sceneGraph.userData.unitScaleFactor = fbxTree.GlobalSettings.UnitScaleFactor.value; + + } + + } + + } + +} + +// parse Geometry data from FBXTree and return map of BufferGeometries +class GeometryParser { + + constructor() { + + this.negativeMaterialIndices = false; + + } + + // Parse nodes in FBXTree.Objects.Geometry + parse( deformers ) { + + const geometryMap = new Map(); + + if ( 'Geometry' in fbxTree.Objects ) { + + const geoNodes = fbxTree.Objects.Geometry; + + for ( const nodeID in geoNodes ) { + + const relationships = connections.get( parseInt( nodeID ) ); + const geo = this.parseGeometry( relationships, geoNodes[ nodeID ], deformers ); + + geometryMap.set( parseInt( nodeID ), geo ); + + } + + } + + // report warnings + + if ( this.negativeMaterialIndices === true ) { + + console.warn( 'THREE.FBXLoader: The FBX file contains invalid (negative) material indices. The asset might not render as expected.' ); + + } + + return geometryMap; + + } + + // Parse single node in FBXTree.Objects.Geometry + parseGeometry( relationships, geoNode, deformers ) { + + switch ( geoNode.attrType ) { + + case 'Mesh': + return this.parseMeshGeometry( relationships, geoNode, deformers ); + break; + + case 'NurbsCurve': + return this.parseNurbsGeometry( geoNode ); + break; + + } + + } + + // Parse single node mesh geometry in FBXTree.Objects.Geometry + parseMeshGeometry( relationships, geoNode, deformers ) { + + const skeletons = deformers.skeletons; + const morphTargets = []; + + const modelNodes = relationships.parents.map( function ( parent ) { + + return fbxTree.Objects.Model[ parent.ID ]; + + } ); + + // don't create geometry if it is not associated with any models + if ( modelNodes.length === 0 ) return; + + const skeleton = relationships.children.reduce( function ( skeleton, child ) { + + if ( skeletons[ child.ID ] !== undefined ) skeleton = skeletons[ child.ID ]; + + return skeleton; + + }, null ); + + relationships.children.forEach( function ( child ) { + + if ( deformers.morphTargets[ child.ID ] !== undefined ) { + + morphTargets.push( deformers.morphTargets[ child.ID ] ); + + } + + } ); + + // Assume one model and get the preRotation from that + // if there is more than one model associated with the geometry this may cause problems + const modelNode = modelNodes[ 0 ]; + + const transformData = {}; + + if ( 'RotationOrder' in modelNode ) transformData.eulerOrder = getEulerOrder( modelNode.RotationOrder.value ); + if ( 'InheritType' in modelNode ) transformData.inheritType = parseInt( modelNode.InheritType.value ); + + if ( 'GeometricTranslation' in modelNode ) transformData.translation = modelNode.GeometricTranslation.value; + if ( 'GeometricRotation' in modelNode ) transformData.rotation = modelNode.GeometricRotation.value; + if ( 'GeometricScaling' in modelNode ) transformData.scale = modelNode.GeometricScaling.value; + + const transform = generateTransform( transformData ); + + return this.genGeometry( geoNode, skeleton, morphTargets, transform ); + + } + + // Generate a BufferGeometry from a node in FBXTree.Objects.Geometry + genGeometry( geoNode, skeleton, morphTargets, preTransform ) { + + const geo = new BufferGeometry(); + if ( geoNode.attrName ) geo.name = geoNode.attrName; + + const geoInfo = this.parseGeoNode( geoNode, skeleton ); + const buffers = this.genBuffers( geoInfo ); + + const positionAttribute = new Float32BufferAttribute( buffers.vertex, 3 ); + + positionAttribute.applyMatrix4( preTransform ); + + geo.setAttribute( 'position', positionAttribute ); + + if ( buffers.colors.length > 0 ) { + + geo.setAttribute( 'color', new Float32BufferAttribute( buffers.colors, 3 ) ); + + } + + if ( skeleton ) { + + geo.setAttribute( 'skinIndex', new Uint16BufferAttribute( buffers.weightsIndices, 4 ) ); + + geo.setAttribute( 'skinWeight', new Float32BufferAttribute( buffers.vertexWeights, 4 ) ); + + // used later to bind the skeleton to the model + geo.FBX_Deformer = skeleton; + + } + + if ( buffers.normal.length > 0 ) { + + const normalMatrix = new Matrix3().getNormalMatrix( preTransform ); + + const normalAttribute = new Float32BufferAttribute( buffers.normal, 3 ); + normalAttribute.applyNormalMatrix( normalMatrix ); + + geo.setAttribute( 'normal', normalAttribute ); + + } + + buffers.uvs.forEach( function ( uvBuffer, i ) { + + const name = i === 0 ? 'uv' : `uv${ i }`; + + geo.setAttribute( name, new Float32BufferAttribute( buffers.uvs[ i ], 2 ) ); + + } ); + + if ( geoInfo.material && geoInfo.material.mappingType !== 'AllSame' ) { + + // Convert the material indices of each vertex into rendering groups on the geometry. + let prevMaterialIndex = buffers.materialIndex[ 0 ]; + let startIndex = 0; + + buffers.materialIndex.forEach( function ( currentIndex, i ) { + + if ( currentIndex !== prevMaterialIndex ) { + + geo.addGroup( startIndex, i - startIndex, prevMaterialIndex ); + + prevMaterialIndex = currentIndex; + startIndex = i; + + } + + } ); + + // the loop above doesn't add the last group, do that here. + if ( geo.groups.length > 0 ) { + + const lastGroup = geo.groups[ geo.groups.length - 1 ]; + const lastIndex = lastGroup.start + lastGroup.count; + + if ( lastIndex !== buffers.materialIndex.length ) { + + geo.addGroup( lastIndex, buffers.materialIndex.length - lastIndex, prevMaterialIndex ); + + } + + } + + // case where there are multiple materials but the whole geometry is only + // using one of them + if ( geo.groups.length === 0 ) { + + geo.addGroup( 0, buffers.materialIndex.length, buffers.materialIndex[ 0 ] ); + + } + + } + + this.addMorphTargets( geo, geoNode, morphTargets, preTransform ); + + return geo; + + } + + parseGeoNode( geoNode, skeleton ) { + + const geoInfo = {}; + + geoInfo.vertexPositions = ( geoNode.Vertices !== undefined ) ? geoNode.Vertices.a : []; + geoInfo.vertexIndices = ( geoNode.PolygonVertexIndex !== undefined ) ? geoNode.PolygonVertexIndex.a : []; + + if ( geoNode.LayerElementColor && geoNode.LayerElementColor[ 0 ].Colors ) { + + geoInfo.color = this.parseVertexColors( geoNode.LayerElementColor[ 0 ] ); + + } + + if ( geoNode.LayerElementMaterial ) { + + geoInfo.material = this.parseMaterialIndices( geoNode.LayerElementMaterial[ 0 ] ); + + } + + if ( geoNode.LayerElementNormal ) { + + geoInfo.normal = this.parseNormals( geoNode.LayerElementNormal[ 0 ] ); + + } + + if ( geoNode.LayerElementUV ) { + + geoInfo.uv = []; + + let i = 0; + while ( geoNode.LayerElementUV[ i ] ) { + + if ( geoNode.LayerElementUV[ i ].UV ) { + + geoInfo.uv.push( this.parseUVs( geoNode.LayerElementUV[ i ] ) ); + + } + + i ++; + + } + + } + + geoInfo.weightTable = {}; + + if ( skeleton !== null ) { + + geoInfo.skeleton = skeleton; + + skeleton.rawBones.forEach( function ( rawBone, i ) { + + // loop over the bone's vertex indices and weights + rawBone.indices.forEach( function ( index, j ) { + + if ( geoInfo.weightTable[ index ] === undefined ) geoInfo.weightTable[ index ] = []; + + geoInfo.weightTable[ index ].push( { + + id: i, + weight: rawBone.weights[ j ], + + } ); + + } ); + + } ); + + } + + return geoInfo; + + } + + genBuffers( geoInfo ) { + + const buffers = { + vertex: [], + normal: [], + colors: [], + uvs: [], + materialIndex: [], + vertexWeights: [], + weightsIndices: [], + }; + + let polygonIndex = 0; + let faceLength = 0; + let displayedWeightsWarning = false; + + // these will hold data for a single face + let facePositionIndexes = []; + let faceNormals = []; + let faceColors = []; + let faceUVs = []; + let faceWeights = []; + let faceWeightIndices = []; + + const scope = this; + geoInfo.vertexIndices.forEach( function ( vertexIndex, polygonVertexIndex ) { + + let materialIndex; + let endOfFace = false; + + // Face index and vertex index arrays are combined in a single array + // A cube with quad faces looks like this: + // PolygonVertexIndex: *24 { + // a: 0, 1, 3, -3, 2, 3, 5, -5, 4, 5, 7, -7, 6, 7, 1, -1, 1, 7, 5, -4, 6, 0, 2, -5 + // } + // Negative numbers mark the end of a face - first face here is 0, 1, 3, -3 + // to find index of last vertex bit shift the index: ^ - 1 + if ( vertexIndex < 0 ) { + + vertexIndex = vertexIndex ^ - 1; // equivalent to ( x * -1 ) - 1 + endOfFace = true; + + } + + let weightIndices = []; + let weights = []; + + facePositionIndexes.push( vertexIndex * 3, vertexIndex * 3 + 1, vertexIndex * 3 + 2 ); + + if ( geoInfo.color ) { + + const data = getData( polygonVertexIndex, polygonIndex, vertexIndex, geoInfo.color ); + + faceColors.push( data[ 0 ], data[ 1 ], data[ 2 ] ); + + } + + if ( geoInfo.skeleton ) { + + if ( geoInfo.weightTable[ vertexIndex ] !== undefined ) { + + geoInfo.weightTable[ vertexIndex ].forEach( function ( wt ) { + + weights.push( wt.weight ); + weightIndices.push( wt.id ); + + } ); + + + } + + if ( weights.length > 4 ) { + + if ( ! displayedWeightsWarning ) { + + console.warn( 'THREE.FBXLoader: Vertex has more than 4 skinning weights assigned to vertex. Deleting additional weights.' ); + displayedWeightsWarning = true; + + } + + const wIndex = [ 0, 0, 0, 0 ]; + const Weight = [ 0, 0, 0, 0 ]; + + weights.forEach( function ( weight, weightIndex ) { + + let currentWeight = weight; + let currentIndex = weightIndices[ weightIndex ]; + + Weight.forEach( function ( comparedWeight, comparedWeightIndex, comparedWeightArray ) { + + if ( currentWeight > comparedWeight ) { + + comparedWeightArray[ comparedWeightIndex ] = currentWeight; + currentWeight = comparedWeight; + + const tmp = wIndex[ comparedWeightIndex ]; + wIndex[ comparedWeightIndex ] = currentIndex; + currentIndex = tmp; + + } + + } ); + + } ); + + weightIndices = wIndex; + weights = Weight; + + } + + // if the weight array is shorter than 4 pad with 0s + while ( weights.length < 4 ) { + + weights.push( 0 ); + weightIndices.push( 0 ); + + } + + for ( let i = 0; i < 4; ++ i ) { + + faceWeights.push( weights[ i ] ); + faceWeightIndices.push( weightIndices[ i ] ); + + } + + } + + if ( geoInfo.normal ) { + + const data = getData( polygonVertexIndex, polygonIndex, vertexIndex, geoInfo.normal ); + + faceNormals.push( data[ 0 ], data[ 1 ], data[ 2 ] ); + + } + + if ( geoInfo.material && geoInfo.material.mappingType !== 'AllSame' ) { + + materialIndex = getData( polygonVertexIndex, polygonIndex, vertexIndex, geoInfo.material )[ 0 ]; + + if ( materialIndex < 0 ) { + + scope.negativeMaterialIndices = true; + materialIndex = 0; // fallback + + } + + } + + if ( geoInfo.uv ) { + + geoInfo.uv.forEach( function ( uv, i ) { + + const data = getData( polygonVertexIndex, polygonIndex, vertexIndex, uv ); + + if ( faceUVs[ i ] === undefined ) { + + faceUVs[ i ] = []; + + } + + faceUVs[ i ].push( data[ 0 ] ); + faceUVs[ i ].push( data[ 1 ] ); + + } ); + + } + + faceLength ++; + + if ( endOfFace ) { + + scope.genFace( buffers, geoInfo, facePositionIndexes, materialIndex, faceNormals, faceColors, faceUVs, faceWeights, faceWeightIndices, faceLength ); + + polygonIndex ++; + faceLength = 0; + + // reset arrays for the next face + facePositionIndexes = []; + faceNormals = []; + faceColors = []; + faceUVs = []; + faceWeights = []; + faceWeightIndices = []; + + } + + } ); + + return buffers; + + } + + // See https://www.khronos.org/opengl/wiki/Calculating_a_Surface_Normal + getNormalNewell( vertices ) { + + const normal = new Vector3( 0.0, 0.0, 0.0 ); + + for ( let i = 0; i < vertices.length; i ++ ) { + + const current = vertices[ i ]; + const next = vertices[ ( i + 1 ) % vertices.length ]; + + normal.x += ( current.y - next.y ) * ( current.z + next.z ); + normal.y += ( current.z - next.z ) * ( current.x + next.x ); + normal.z += ( current.x - next.x ) * ( current.y + next.y ); + + } + + normal.normalize(); + + return normal; + + } + + getNormalTangentAndBitangent( vertices ) { + + const normalVector = this.getNormalNewell( vertices ); + // Avoid up being equal or almost equal to normalVector + const up = Math.abs( normalVector.z ) > 0.5 ? new Vector3( 0.0, 1.0, 0.0 ) : new Vector3( 0.0, 0.0, 1.0 ); + const tangent = up.cross( normalVector ).normalize(); + const bitangent = normalVector.clone().cross( tangent ).normalize(); + + return { + normal: normalVector, + tangent: tangent, + bitangent: bitangent + }; + + } + + flattenVertex( vertex, normalTangent, normalBitangent ) { + + return new Vector2( + vertex.dot( normalTangent ), + vertex.dot( normalBitangent ) + ); + + } + + // Generate data for a single face in a geometry. If the face is a quad then split it into 2 tris + genFace( buffers, geoInfo, facePositionIndexes, materialIndex, faceNormals, faceColors, faceUVs, faceWeights, faceWeightIndices, faceLength ) { + + let triangles; + + if ( faceLength > 3 ) { + + // Triangulate n-gon using earcut + + const vertices = []; + // in morphing scenario vertexPositions represent morphPositions + // while baseVertexPositions represent the original geometry's positions + const positions = geoInfo.baseVertexPositions || geoInfo.vertexPositions; + for ( let i = 0; i < facePositionIndexes.length; i += 3 ) { + + vertices.push( + new Vector3( + positions[ facePositionIndexes[ i ] ], + positions[ facePositionIndexes[ i + 1 ] ], + positions[ facePositionIndexes[ i + 2 ] ] + ) + ); + + } + + const { tangent, bitangent } = this.getNormalTangentAndBitangent( vertices ); + const triangulationInput = []; + + for ( const vertex of vertices ) { + + triangulationInput.push( this.flattenVertex( vertex, tangent, bitangent ) ); + + } + + // When vertices is an array of [0,0,0] elements (which is the case for vertices not participating in morph) + // the triangulationInput will be an array of [0,0] elements + // resulting in an array of 0 triangles being returned from ShapeUtils.triangulateShape + // leading to not pushing into buffers.vertex the redundant vertices (the vertices that are not morphed). + // That's why, in order to support morphing scenario, "positions" is looking first for baseVertexPositions, + // so that we don't end up with an array of 0 triangles for the faces not participating in morph. + triangles = ShapeUtils.triangulateShape( triangulationInput, [] ); + + } else { + + // Regular triangle, skip earcut triangulation step + triangles = [[ 0, 1, 2 ]]; + + } + + for ( const [ i0, i1, i2 ] of triangles ) { + + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i0 * 3 ] ] ); + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i0 * 3 + 1 ] ] ); + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i0 * 3 + 2 ] ] ); + + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i1 * 3 ] ] ); + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i1 * 3 + 1 ] ] ); + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i1 * 3 + 2 ] ] ); + + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i2 * 3 ] ] ); + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i2 * 3 + 1 ] ] ); + buffers.vertex.push( geoInfo.vertexPositions[ facePositionIndexes[ i2 * 3 + 2 ] ] ); + + if ( geoInfo.skeleton ) { + + buffers.vertexWeights.push( faceWeights[ i0 * 4 ] ); + buffers.vertexWeights.push( faceWeights[ i0 * 4 + 1 ] ); + buffers.vertexWeights.push( faceWeights[ i0 * 4 + 2 ] ); + buffers.vertexWeights.push( faceWeights[ i0 * 4 + 3 ] ); + + buffers.vertexWeights.push( faceWeights[ i1 * 4 ] ); + buffers.vertexWeights.push( faceWeights[ i1 * 4 + 1 ] ); + buffers.vertexWeights.push( faceWeights[ i1 * 4 + 2 ] ); + buffers.vertexWeights.push( faceWeights[ i1 * 4 + 3 ] ); + + buffers.vertexWeights.push( faceWeights[ i2 * 4 ] ); + buffers.vertexWeights.push( faceWeights[ i2 * 4 + 1 ] ); + buffers.vertexWeights.push( faceWeights[ i2 * 4 + 2 ] ); + buffers.vertexWeights.push( faceWeights[ i2 * 4 + 3 ] ); + + buffers.weightsIndices.push( faceWeightIndices[ i0 * 4 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i0 * 4 + 1 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i0 * 4 + 2 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i0 * 4 + 3 ] ); + + buffers.weightsIndices.push( faceWeightIndices[ i1 * 4 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i1 * 4 + 1 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i1 * 4 + 2 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i1 * 4 + 3 ] ); + + buffers.weightsIndices.push( faceWeightIndices[ i2 * 4 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i2 * 4 + 1 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i2 * 4 + 2 ] ); + buffers.weightsIndices.push( faceWeightIndices[ i2 * 4 + 3 ] ); + + } + + if ( geoInfo.color ) { + + buffers.colors.push( faceColors[ i0 * 3 ] ); + buffers.colors.push( faceColors[ i0 * 3 + 1 ] ); + buffers.colors.push( faceColors[ i0 * 3 + 2 ] ); + + buffers.colors.push( faceColors[ i1 * 3 ] ); + buffers.colors.push( faceColors[ i1 * 3 + 1 ] ); + buffers.colors.push( faceColors[ i1 * 3 + 2 ] ); + + buffers.colors.push( faceColors[ i2 * 3 ] ); + buffers.colors.push( faceColors[ i2 * 3 + 1 ] ); + buffers.colors.push( faceColors[ i2 * 3 + 2 ] ); + + } + + if ( geoInfo.material && geoInfo.material.mappingType !== 'AllSame' ) { + + buffers.materialIndex.push( materialIndex ); + buffers.materialIndex.push( materialIndex ); + buffers.materialIndex.push( materialIndex ); + + } + + if ( geoInfo.normal ) { + + buffers.normal.push( faceNormals[ i0 * 3 ] ); + buffers.normal.push( faceNormals[ i0 * 3 + 1 ] ); + buffers.normal.push( faceNormals[ i0 * 3 + 2 ] ); + + buffers.normal.push( faceNormals[ i1 * 3 ] ); + buffers.normal.push( faceNormals[ i1 * 3 + 1 ] ); + buffers.normal.push( faceNormals[ i1 * 3 + 2 ] ); + + buffers.normal.push( faceNormals[ i2 * 3 ] ); + buffers.normal.push( faceNormals[ i2 * 3 + 1 ] ); + buffers.normal.push( faceNormals[ i2 * 3 + 2 ] ); + + } + + if ( geoInfo.uv ) { + + geoInfo.uv.forEach( function ( uv, j ) { + + if ( buffers.uvs[ j ] === undefined ) buffers.uvs[ j ] = []; + + buffers.uvs[ j ].push( faceUVs[ j ][ i0 * 2 ] ); + buffers.uvs[ j ].push( faceUVs[ j ][ i0 * 2 + 1 ] ); + + buffers.uvs[ j ].push( faceUVs[ j ][ i1 * 2 ] ); + buffers.uvs[ j ].push( faceUVs[ j ][ i1 * 2 + 1 ] ); + + buffers.uvs[ j ].push( faceUVs[ j ][ i2 * 2 ] ); + buffers.uvs[ j ].push( faceUVs[ j ][ i2 * 2 + 1 ] ); + + } ); + + } + + } + + } + + addMorphTargets( parentGeo, parentGeoNode, morphTargets, preTransform ) { + + if ( morphTargets.length === 0 ) return; + + parentGeo.morphTargetsRelative = true; + + parentGeo.morphAttributes.position = []; + // parentGeo.morphAttributes.normal = []; // not implemented + + const scope = this; + morphTargets.forEach( function ( morphTarget ) { + + morphTarget.rawTargets.forEach( function ( rawTarget ) { + + const morphGeoNode = fbxTree.Objects.Geometry[ rawTarget.geoID ]; + + if ( morphGeoNode !== undefined ) { + + scope.genMorphGeometry( parentGeo, parentGeoNode, morphGeoNode, preTransform, rawTarget.name ); + + } + + } ); + + } ); + + } + + // a morph geometry node is similar to a standard node, and the node is also contained + // in FBXTree.Objects.Geometry, however it can only have attributes for position, normal + // and a special attribute Index defining which vertices of the original geometry are affected + // Normal and position attributes only have data for the vertices that are affected by the morph + genMorphGeometry( parentGeo, parentGeoNode, morphGeoNode, preTransform, name ) { + + const basePositions = parentGeoNode.Vertices !== undefined ? parentGeoNode.Vertices.a : []; + const baseIndices = parentGeoNode.PolygonVertexIndex !== undefined ? parentGeoNode.PolygonVertexIndex.a : []; + + const morphPositionsSparse = morphGeoNode.Vertices !== undefined ? morphGeoNode.Vertices.a : []; + const morphIndices = morphGeoNode.Indexes !== undefined ? morphGeoNode.Indexes.a : []; + + const length = parentGeo.attributes.position.count * 3; + const morphPositions = new Float32Array( length ); + + for ( let i = 0; i < morphIndices.length; i ++ ) { + + const morphIndex = morphIndices[ i ] * 3; + + morphPositions[ morphIndex ] = morphPositionsSparse[ i * 3 ]; + morphPositions[ morphIndex + 1 ] = morphPositionsSparse[ i * 3 + 1 ]; + morphPositions[ morphIndex + 2 ] = morphPositionsSparse[ i * 3 + 2 ]; + + } + + // TODO: add morph normal support + const morphGeoInfo = { + vertexIndices: baseIndices, + vertexPositions: morphPositions, + baseVertexPositions: basePositions + }; + + const morphBuffers = this.genBuffers( morphGeoInfo ); + + const positionAttribute = new Float32BufferAttribute( morphBuffers.vertex, 3 ); + positionAttribute.name = name || morphGeoNode.attrName; + + positionAttribute.applyMatrix4( preTransform ); + + parentGeo.morphAttributes.position.push( positionAttribute ); + + } + + // Parse normal from FBXTree.Objects.Geometry.LayerElementNormal if it exists + parseNormals( NormalNode ) { + + const mappingType = NormalNode.MappingInformationType; + const referenceType = NormalNode.ReferenceInformationType; + const buffer = NormalNode.Normals.a; + let indexBuffer = []; + if ( referenceType === 'IndexToDirect' ) { + + if ( 'NormalIndex' in NormalNode ) { + + indexBuffer = NormalNode.NormalIndex.a; + + } else if ( 'NormalsIndex' in NormalNode ) { + + indexBuffer = NormalNode.NormalsIndex.a; + + } + + } + + return { + dataSize: 3, + buffer: buffer, + indices: indexBuffer, + mappingType: mappingType, + referenceType: referenceType + }; + + } + + // Parse UVs from FBXTree.Objects.Geometry.LayerElementUV if it exists + parseUVs( UVNode ) { + + const mappingType = UVNode.MappingInformationType; + const referenceType = UVNode.ReferenceInformationType; + const buffer = UVNode.UV.a; + let indexBuffer = []; + if ( referenceType === 'IndexToDirect' ) { + + indexBuffer = UVNode.UVIndex.a; + + } + + return { + dataSize: 2, + buffer: buffer, + indices: indexBuffer, + mappingType: mappingType, + referenceType: referenceType + }; + + } + + // Parse Vertex Colors from FBXTree.Objects.Geometry.LayerElementColor if it exists + parseVertexColors( ColorNode ) { + + const mappingType = ColorNode.MappingInformationType; + const referenceType = ColorNode.ReferenceInformationType; + const buffer = ColorNode.Colors.a; + let indexBuffer = []; + if ( referenceType === 'IndexToDirect' ) { + + indexBuffer = ColorNode.ColorIndex.a; + + } + + for ( let i = 0, c = new Color(); i < buffer.length; i += 4 ) { + + c.fromArray( buffer, i ); + ColorManagement.colorSpaceToWorking( c, SRGBColorSpace ); + c.toArray( buffer, i ); + + } + + return { + dataSize: 4, + buffer: buffer, + indices: indexBuffer, + mappingType: mappingType, + referenceType: referenceType + }; + + } + + // Parse mapping and material data in FBXTree.Objects.Geometry.LayerElementMaterial if it exists + parseMaterialIndices( MaterialNode ) { + + const mappingType = MaterialNode.MappingInformationType; + const referenceType = MaterialNode.ReferenceInformationType; + + if ( mappingType === 'NoMappingInformation' ) { + + return { + dataSize: 1, + buffer: [ 0 ], + indices: [ 0 ], + mappingType: 'AllSame', + referenceType: referenceType + }; + + } + + const materialIndexBuffer = MaterialNode.Materials.a; + + // Since materials are stored as indices, there's a bit of a mismatch between FBX and what + // we expect.So we create an intermediate buffer that points to the index in the buffer, + // for conforming with the other functions we've written for other data. + const materialIndices = []; + + for ( let i = 0; i < materialIndexBuffer.length; ++ i ) { + + materialIndices.push( i ); + + } + + return { + dataSize: 1, + buffer: materialIndexBuffer, + indices: materialIndices, + mappingType: mappingType, + referenceType: referenceType + }; + + } + + // Generate a NurbGeometry from a node in FBXTree.Objects.Geometry + parseNurbsGeometry( geoNode ) { + + const order = parseInt( geoNode.Order ); + + if ( isNaN( order ) ) { + + console.error( 'THREE.FBXLoader: Invalid Order %s given for geometry ID: %s', geoNode.Order, geoNode.id ); + return new BufferGeometry(); + + } + + const degree = order - 1; + + const knots = geoNode.KnotVector.a; + const controlPoints = []; + const pointsValues = geoNode.Points.a; + + for ( let i = 0, l = pointsValues.length; i < l; i += 4 ) { + + controlPoints.push( new Vector4().fromArray( pointsValues, i ) ); + + } + + let startKnot, endKnot; + + if ( geoNode.Form === 'Closed' ) { + + controlPoints.push( controlPoints[ 0 ] ); + + } else if ( geoNode.Form === 'Periodic' ) { + + startKnot = degree; + endKnot = knots.length - 1 - startKnot; + + for ( let i = 0; i < degree; ++ i ) { + + controlPoints.push( controlPoints[ i ] ); + + } + + } + + const curve = new NURBSCurve( degree, knots, controlPoints, startKnot, endKnot ); + const points = curve.getPoints( controlPoints.length * 12 ); + + return new BufferGeometry().setFromPoints( points ); + + } + +} + +// parse animation data from FBXTree +class AnimationParser { + + // take raw animation clips and turn them into three.js animation clips + parse() { + + const animationClips = []; + + const rawClips = this.parseClips(); + + if ( rawClips !== undefined ) { + + for ( const key in rawClips ) { + + const rawClip = rawClips[ key ]; + + const clip = this.addClip( rawClip ); + + animationClips.push( clip ); + + } + + } + + return animationClips; + + } + + parseClips() { + + // since the actual transformation data is stored in FBXTree.Objects.AnimationCurve, + // if this is undefined we can safely assume there are no animations + if ( fbxTree.Objects.AnimationCurve === undefined ) return undefined; + + const curveNodesMap = this.parseAnimationCurveNodes(); + + this.parseAnimationCurves( curveNodesMap ); + + const layersMap = this.parseAnimationLayers( curveNodesMap ); + const rawClips = this.parseAnimStacks( layersMap ); + + return rawClips; + + } + + // parse nodes in FBXTree.Objects.AnimationCurveNode + // each AnimationCurveNode holds data for an animation transform for a model (e.g. left arm rotation ) + // and is referenced by an AnimationLayer + parseAnimationCurveNodes() { + + const rawCurveNodes = fbxTree.Objects.AnimationCurveNode; + + const curveNodesMap = new Map(); + + for ( const nodeID in rawCurveNodes ) { + + const rawCurveNode = rawCurveNodes[ nodeID ]; + + if ( rawCurveNode.attrName.match( /S|R|T|DeformPercent/ ) !== null ) { + + const curveNode = { + + id: rawCurveNode.id, + attr: rawCurveNode.attrName, + curves: {}, + + }; + + curveNodesMap.set( curveNode.id, curveNode ); + + } + + } + + return curveNodesMap; + + } + + // parse nodes in FBXTree.Objects.AnimationCurve and connect them up to + // previously parsed AnimationCurveNodes. Each AnimationCurve holds data for a single animated + // axis ( e.g. times and values of x rotation) + parseAnimationCurves( curveNodesMap ) { + + const rawCurves = fbxTree.Objects.AnimationCurve; + + // TODO: Many values are identical up to roundoff error, but won't be optimised + // e.g. position times: [0, 0.4, 0. 8] + // position values: [7.23538335023477e-7, 93.67518615722656, -0.9982695579528809, 7.23538335023477e-7, 93.67518615722656, -0.9982695579528809, 7.235384487103147e-7, 93.67520904541016, -0.9982695579528809] + // clearly, this should be optimised to + // times: [0], positions [7.23538335023477e-7, 93.67518615722656, -0.9982695579528809] + // this shows up in nearly every FBX file, and generally time array is length > 100 + + for ( const nodeID in rawCurves ) { + + const animationCurve = { + + id: rawCurves[ nodeID ].id, + times: rawCurves[ nodeID ].KeyTime.a.map( convertFBXTimeToSeconds ), + values: rawCurves[ nodeID ].KeyValueFloat.a, + + }; + + const relationships = connections.get( animationCurve.id ); + + if ( relationships !== undefined ) { + + const animationCurveID = relationships.parents[ 0 ].ID; + const animationCurveRelationship = relationships.parents[ 0 ].relationship; + + if ( animationCurveRelationship.match( /X/ ) ) { + + curveNodesMap.get( animationCurveID ).curves[ 'x' ] = animationCurve; + + } else if ( animationCurveRelationship.match( /Y/ ) ) { + + curveNodesMap.get( animationCurveID ).curves[ 'y' ] = animationCurve; + + } else if ( animationCurveRelationship.match( /Z/ ) ) { + + curveNodesMap.get( animationCurveID ).curves[ 'z' ] = animationCurve; + + } else if ( animationCurveRelationship.match( /DeformPercent/ ) && curveNodesMap.has( animationCurveID ) ) { + + curveNodesMap.get( animationCurveID ).curves[ 'morph' ] = animationCurve; + + } + + } + + } + + } + + // parse nodes in FBXTree.Objects.AnimationLayer. Each layers holds references + // to various AnimationCurveNodes and is referenced by an AnimationStack node + // note: theoretically a stack can have multiple layers, however in practice there always seems to be one per stack + parseAnimationLayers( curveNodesMap ) { + + const rawLayers = fbxTree.Objects.AnimationLayer; + + const layersMap = new Map(); + + for ( const nodeID in rawLayers ) { + + const layerCurveNodes = []; + + const connection = connections.get( parseInt( nodeID ) ); + + if ( connection !== undefined ) { + + // all the animationCurveNodes used in the layer + const children = connection.children; + + children.forEach( function ( child, i ) { + + if ( curveNodesMap.has( child.ID ) ) { + + const curveNode = curveNodesMap.get( child.ID ); + + // check that the curves are defined for at least one axis, otherwise ignore the curveNode + if ( curveNode.curves.x !== undefined || curveNode.curves.y !== undefined || curveNode.curves.z !== undefined ) { + + if ( layerCurveNodes[ i ] === undefined ) { + + const modelID = connections.get( child.ID ).parents.filter( function ( parent ) { + + return parent.relationship !== undefined; + + } )[ 0 ].ID; + + if ( modelID !== undefined ) { + + const rawModel = fbxTree.Objects.Model[ modelID.toString() ]; + + if ( rawModel === undefined ) { + + console.warn( 'THREE.FBXLoader: Encountered a unused curve.', child ); + return; + + } + + const node = { + + modelName: rawModel.attrName ? PropertyBinding.sanitizeNodeName( rawModel.attrName ) : '', + ID: rawModel.id, + initialPosition: [ 0, 0, 0 ], + initialRotation: [ 0, 0, 0 ], + initialScale: [ 1, 1, 1 ], + + }; + + sceneGraph.traverse( function ( child ) { + + if ( child.ID === rawModel.id ) { + + node.transform = child.matrix; + + if ( child.userData.transformData ) node.eulerOrder = child.userData.transformData.eulerOrder; + + } + + } ); + + if ( ! node.transform ) node.transform = new Matrix4(); + + // if the animated model is pre rotated, we'll have to apply the pre rotations to every + // animation value as well + if ( 'PreRotation' in rawModel ) node.preRotation = rawModel.PreRotation.value; + if ( 'PostRotation' in rawModel ) node.postRotation = rawModel.PostRotation.value; + + layerCurveNodes[ i ] = node; + + } + + } + + if ( layerCurveNodes[ i ] ) layerCurveNodes[ i ][ curveNode.attr ] = curveNode; + + } else if ( curveNode.curves.morph !== undefined ) { + + if ( layerCurveNodes[ i ] === undefined ) { + + const deformerID = connections.get( child.ID ).parents.filter( function ( parent ) { + + return parent.relationship !== undefined; + + } )[ 0 ].ID; + + const morpherID = connections.get( deformerID ).parents[ 0 ].ID; + const geoID = connections.get( morpherID ).parents[ 0 ].ID; + + // assuming geometry is not used in more than one model + const modelID = connections.get( geoID ).parents[ 0 ].ID; + + const rawModel = fbxTree.Objects.Model[ modelID ]; + + const node = { + + modelName: rawModel.attrName ? PropertyBinding.sanitizeNodeName( rawModel.attrName ) : '', + morphName: fbxTree.Objects.Deformer[ deformerID ].attrName, + + }; + + layerCurveNodes[ i ] = node; + + } + + layerCurveNodes[ i ][ curveNode.attr ] = curveNode; + + } + + } + + } ); + + layersMap.set( parseInt( nodeID ), layerCurveNodes ); + + } + + } + + return layersMap; + + } + + // parse nodes in FBXTree.Objects.AnimationStack. These are the top level node in the animation + // hierarchy. Each Stack node will be used to create an AnimationClip + parseAnimStacks( layersMap ) { + + const rawStacks = fbxTree.Objects.AnimationStack; + + // connect the stacks (clips) up to the layers + const rawClips = {}; + + for ( const nodeID in rawStacks ) { + + const children = connections.get( parseInt( nodeID ) ).children; + + if ( children.length > 1 ) { + + // it seems like stacks will always be associated with a single layer. But just in case there are files + // where there are multiple layers per stack, we'll display a warning + console.warn( 'THREE.FBXLoader: Encountered an animation stack with multiple layers, this is currently not supported. Ignoring subsequent layers.' ); + + } + + const layer = layersMap.get( children[ 0 ].ID ); + + rawClips[ nodeID ] = { + + name: rawStacks[ nodeID ].attrName, + layer: layer, + + }; + + } + + return rawClips; + + } + + addClip( rawClip ) { + + let tracks = []; + + const scope = this; + rawClip.layer.forEach( function ( rawTracks ) { + + tracks = tracks.concat( scope.generateTracks( rawTracks ) ); + + } ); + + return new AnimationClip( rawClip.name, - 1, tracks ); + + } + + generateTracks( rawTracks ) { + + const tracks = []; + + let initialPosition = new Vector3(); + let initialScale = new Vector3(); + + if ( rawTracks.transform ) rawTracks.transform.decompose( initialPosition, new Quaternion(), initialScale ); + + initialPosition = initialPosition.toArray(); + initialScale = initialScale.toArray(); + + if ( rawTracks.T !== undefined && Object.keys( rawTracks.T.curves ).length > 0 ) { + + const positionTrack = this.generateVectorTrack( rawTracks.modelName, rawTracks.T.curves, initialPosition, 'position' ); + if ( positionTrack !== undefined ) tracks.push( positionTrack ); + + } + + if ( rawTracks.R !== undefined && Object.keys( rawTracks.R.curves ).length > 0 ) { + + const rotationTrack = this.generateRotationTrack( rawTracks.modelName, rawTracks.R.curves, rawTracks.preRotation, rawTracks.postRotation, rawTracks.eulerOrder ); + if ( rotationTrack !== undefined ) tracks.push( rotationTrack ); + + } + + if ( rawTracks.S !== undefined && Object.keys( rawTracks.S.curves ).length > 0 ) { + + const scaleTrack = this.generateVectorTrack( rawTracks.modelName, rawTracks.S.curves, initialScale, 'scale' ); + if ( scaleTrack !== undefined ) tracks.push( scaleTrack ); + + } + + if ( rawTracks.DeformPercent !== undefined ) { + + const morphTrack = this.generateMorphTrack( rawTracks ); + if ( morphTrack !== undefined ) tracks.push( morphTrack ); + + } + + return tracks; + + } + + generateVectorTrack( modelName, curves, initialValue, type ) { + + const times = this.getTimesForAllAxes( curves ); + const values = this.getKeyframeTrackValues( times, curves, initialValue ); + + return new VectorKeyframeTrack( modelName + '.' + type, times, values ); + + } + + generateRotationTrack( modelName, curves, preRotation, postRotation, eulerOrder ) { + + let times; + let values; + + if ( curves.x !== undefined && curves.y !== undefined && curves.z !== undefined ) { + + const result = this.interpolateRotations( curves.x, curves.y, curves.z, eulerOrder ); + + times = result[ 0 ]; + values = result[ 1 ]; + + } + + // For Maya models using "Joint Orient", Euler order only applies to rotation, not pre/post-rotations + const defaultEulerOrder = getEulerOrder( 0 ); + + if ( preRotation !== undefined ) { + + preRotation = preRotation.map( MathUtils.degToRad ); + preRotation.push( defaultEulerOrder ); + + preRotation = new Euler().fromArray( preRotation ); + preRotation = new Quaternion().setFromEuler( preRotation ); + + } + + if ( postRotation !== undefined ) { + + postRotation = postRotation.map( MathUtils.degToRad ); + postRotation.push( defaultEulerOrder ); + + postRotation = new Euler().fromArray( postRotation ); + postRotation = new Quaternion().setFromEuler( postRotation ).invert(); + + } + + const quaternion = new Quaternion(); + const euler = new Euler(); + + const quaternionValues = []; + + if ( ! values || ! times ) return new QuaternionKeyframeTrack( modelName + '.quaternion', [ 0 ], [ 0 ] ); + + for ( let i = 0; i < values.length; i += 3 ) { + + euler.set( values[ i ], values[ i + 1 ], values[ i + 2 ], eulerOrder ); + quaternion.setFromEuler( euler ); + + if ( preRotation !== undefined ) quaternion.premultiply( preRotation ); + if ( postRotation !== undefined ) quaternion.multiply( postRotation ); + + // Check unroll + if ( i > 2 ) { + + const prevQuat = new Quaternion().fromArray( + quaternionValues, + ( ( i - 3 ) / 3 ) * 4 + ); + + if ( prevQuat.dot( quaternion ) < 0 ) { + + quaternion.set( - quaternion.x, - quaternion.y, - quaternion.z, - quaternion.w ); + + } + + } + + quaternion.toArray( quaternionValues, ( i / 3 ) * 4 ); + + } + + return new QuaternionKeyframeTrack( modelName + '.quaternion', times, quaternionValues ); + + } + + generateMorphTrack( rawTracks ) { + + const curves = rawTracks.DeformPercent.curves.morph; + const values = curves.values.map( function ( val ) { + + return val / 100; + + } ); + + const morphNum = sceneGraph.getObjectByName( rawTracks.modelName ).morphTargetDictionary[ rawTracks.morphName ]; + + return new NumberKeyframeTrack( rawTracks.modelName + '.morphTargetInfluences[' + morphNum + ']', curves.times, values ); + + } + + // For all animated objects, times are defined separately for each axis + // Here we'll combine the times into one sorted array without duplicates + getTimesForAllAxes( curves ) { + + let times = []; + + // first join together the times for each axis, if defined + if ( curves.x !== undefined ) times = times.concat( curves.x.times ); + if ( curves.y !== undefined ) times = times.concat( curves.y.times ); + if ( curves.z !== undefined ) times = times.concat( curves.z.times ); + + // then sort them + times = times.sort( function ( a, b ) { + + return a - b; + + } ); + + // and remove duplicates + if ( times.length > 1 ) { + + let targetIndex = 1; + let lastValue = times[ 0 ]; + for ( let i = 1; i < times.length; i ++ ) { + + const currentValue = times[ i ]; + if ( currentValue !== lastValue ) { + + times[ targetIndex ] = currentValue; + lastValue = currentValue; + targetIndex ++; + + } + + } + + times = times.slice( 0, targetIndex ); + + } + + return times; + + } + + getKeyframeTrackValues( times, curves, initialValue ) { + + const prevValue = initialValue; + + const values = []; + + let xIndex = - 1; + let yIndex = - 1; + let zIndex = - 1; + + times.forEach( function ( time ) { + + if ( curves.x ) xIndex = curves.x.times.indexOf( time ); + if ( curves.y ) yIndex = curves.y.times.indexOf( time ); + if ( curves.z ) zIndex = curves.z.times.indexOf( time ); + + // if there is an x value defined for this frame, use that + if ( xIndex !== - 1 ) { + + const xValue = curves.x.values[ xIndex ]; + values.push( xValue ); + prevValue[ 0 ] = xValue; + + } else { + + // otherwise use the x value from the previous frame + values.push( prevValue[ 0 ] ); + + } + + if ( yIndex !== - 1 ) { + + const yValue = curves.y.values[ yIndex ]; + values.push( yValue ); + prevValue[ 1 ] = yValue; + + } else { + + values.push( prevValue[ 1 ] ); + + } + + if ( zIndex !== - 1 ) { + + const zValue = curves.z.values[ zIndex ]; + values.push( zValue ); + prevValue[ 2 ] = zValue; + + } else { + + values.push( prevValue[ 2 ] ); + + } + + } ); + + return values; + + } + + // Rotations are defined as Euler angles which can have values of any size + // These will be converted to quaternions which don't support values greater than + // PI, so we'll interpolate large rotations + interpolateRotations( curvex, curvey, curvez, eulerOrder ) { + + const times = []; + const values = []; + + // Add first frame + times.push( curvex.times[ 0 ] ); + values.push( MathUtils.degToRad( curvex.values[ 0 ] ) ); + values.push( MathUtils.degToRad( curvey.values[ 0 ] ) ); + values.push( MathUtils.degToRad( curvez.values[ 0 ] ) ); + + for ( let i = 1; i < curvex.values.length; i ++ ) { + + const initialValue = [ + curvex.values[ i - 1 ], + curvey.values[ i - 1 ], + curvez.values[ i - 1 ], + ]; + + if ( isNaN( initialValue[ 0 ] ) || isNaN( initialValue[ 1 ] ) || isNaN( initialValue[ 2 ] ) ) { + + continue; + + } + + const initialValueRad = initialValue.map( MathUtils.degToRad ); + + const currentValue = [ + curvex.values[ i ], + curvey.values[ i ], + curvez.values[ i ], + ]; + + if ( isNaN( currentValue[ 0 ] ) || isNaN( currentValue[ 1 ] ) || isNaN( currentValue[ 2 ] ) ) { + + continue; + + } + + const currentValueRad = currentValue.map( MathUtils.degToRad ); + + const valuesSpan = [ + currentValue[ 0 ] - initialValue[ 0 ], + currentValue[ 1 ] - initialValue[ 1 ], + currentValue[ 2 ] - initialValue[ 2 ], + ]; + + const absoluteSpan = [ + Math.abs( valuesSpan[ 0 ] ), + Math.abs( valuesSpan[ 1 ] ), + Math.abs( valuesSpan[ 2 ] ), + ]; + + if ( absoluteSpan[ 0 ] >= 180 || absoluteSpan[ 1 ] >= 180 || absoluteSpan[ 2 ] >= 180 ) { + + const maxAbsSpan = Math.max( ...absoluteSpan ); + + const numSubIntervals = maxAbsSpan / 180; + + const E1 = new Euler( ...initialValueRad, eulerOrder ); + const E2 = new Euler( ...currentValueRad, eulerOrder ); + + const Q1 = new Quaternion().setFromEuler( E1 ); + const Q2 = new Quaternion().setFromEuler( E2 ); + + // Check unroll + if ( Q1.dot( Q2 ) ) { + + Q2.set( - Q2.x, - Q2.y, - Q2.z, - Q2.w ); + + } + + // Interpolate + const initialTime = curvex.times[ i - 1 ]; + const timeSpan = curvex.times[ i ] - initialTime; + + const Q = new Quaternion(); + const E = new Euler(); + for ( let t = 0; t < 1; t += 1 / numSubIntervals ) { + + Q.copy( Q1.clone().slerp( Q2.clone(), t ) ); + + times.push( initialTime + t * timeSpan ); + E.setFromQuaternion( Q, eulerOrder ); + + values.push( E.x ); + values.push( E.y ); + values.push( E.z ); + + } + + } else { + + times.push( curvex.times[ i ] ); + values.push( MathUtils.degToRad( curvex.values[ i ] ) ); + values.push( MathUtils.degToRad( curvey.values[ i ] ) ); + values.push( MathUtils.degToRad( curvez.values[ i ] ) ); + + } + + } + + return [ times, values ]; + + } + +} + +// parse an FBX file in ASCII format +class TextParser { + + getPrevNode() { + + return this.nodeStack[ this.currentIndent - 2 ]; + + } + + getCurrentNode() { + + return this.nodeStack[ this.currentIndent - 1 ]; + + } + + getCurrentProp() { + + return this.currentProp; + + } + + pushStack( node ) { + + this.nodeStack.push( node ); + this.currentIndent += 1; + + } + + popStack() { + + this.nodeStack.pop(); + this.currentIndent -= 1; + + } + + setCurrentProp( val, name ) { + + this.currentProp = val; + this.currentPropName = name; + + } + + parse( text ) { + + this.currentIndent = 0; + + this.allNodes = new FBXTree(); + this.nodeStack = []; + this.currentProp = []; + this.currentPropName = ''; + + const scope = this; + + const split = text.split( /[\r\n]+/ ); + + split.forEach( function ( line, i ) { + + const matchComment = line.match( /^[\s\t]*;/ ); + const matchEmpty = line.match( /^[\s\t]*$/ ); + + if ( matchComment || matchEmpty ) return; + + const matchBeginning = line.match( '^\\t{' + scope.currentIndent + '}(\\w+):(.*){', '' ); + const matchProperty = line.match( '^\\t{' + ( scope.currentIndent ) + '}(\\w+):[\\s\\t\\r\\n](.*)' ); + const matchEnd = line.match( '^\\t{' + ( scope.currentIndent - 1 ) + '}}' ); + + if ( matchBeginning ) { + + scope.parseNodeBegin( line, matchBeginning ); + + } else if ( matchProperty ) { + + scope.parseNodeProperty( line, matchProperty, split[ ++ i ] ); + + } else if ( matchEnd ) { + + scope.popStack(); + + } else if ( line.match( /^[^\s\t}]/ ) ) { + + // large arrays are split over multiple lines terminated with a ',' character + // if this is encountered the line needs to be joined to the previous line + scope.parseNodePropertyContinued( line ); + + } + + } ); + + return this.allNodes; + + } + + parseNodeBegin( line, property ) { + + const nodeName = property[ 1 ].trim().replace( /^"/, '' ).replace( /"$/, '' ); + + const nodeAttrs = property[ 2 ].split( ',' ).map( function ( attr ) { + + return attr.trim().replace( /^"/, '' ).replace( /"$/, '' ); + + } ); + + const node = { name: nodeName }; + const attrs = this.parseNodeAttr( nodeAttrs ); + + const currentNode = this.getCurrentNode(); + + // a top node + if ( this.currentIndent === 0 ) { + + this.allNodes.add( nodeName, node ); + + } else { // a subnode + + // if the subnode already exists, append it + if ( nodeName in currentNode ) { + + // special case Pose needs PoseNodes as an array + if ( nodeName === 'PoseNode' ) { + + currentNode.PoseNode.push( node ); + + } else if ( currentNode[ nodeName ].id !== undefined ) { + + currentNode[ nodeName ] = {}; + currentNode[ nodeName ][ currentNode[ nodeName ].id ] = currentNode[ nodeName ]; + + } + + if ( attrs.id !== '' ) currentNode[ nodeName ][ attrs.id ] = node; + + } else if ( typeof attrs.id === 'number' ) { + + currentNode[ nodeName ] = {}; + currentNode[ nodeName ][ attrs.id ] = node; + + } else if ( nodeName !== 'Properties70' ) { + + if ( nodeName === 'PoseNode' ) currentNode[ nodeName ] = [ node ]; + else currentNode[ nodeName ] = node; + + } + + } + + if ( typeof attrs.id === 'number' ) node.id = attrs.id; + if ( attrs.name !== '' ) node.attrName = attrs.name; + if ( attrs.type !== '' ) node.attrType = attrs.type; + + this.pushStack( node ); + + } + + parseNodeAttr( attrs ) { + + let id = attrs[ 0 ]; + + if ( attrs[ 0 ] !== '' ) { + + id = parseInt( attrs[ 0 ] ); + + if ( isNaN( id ) ) { + + id = attrs[ 0 ]; + + } + + } + + let name = '', type = ''; + + if ( attrs.length > 1 ) { + + name = attrs[ 1 ].replace( /^(\w+)::/, '' ); + type = attrs[ 2 ]; + + } + + return { id: id, name: name, type: type }; + + } + + parseNodeProperty( line, property, contentLine ) { + + let propName = property[ 1 ].replace( /^"/, '' ).replace( /"$/, '' ).trim(); + let propValue = property[ 2 ].replace( /^"/, '' ).replace( /"$/, '' ).trim(); + + // for special case: base64 image data follows "Content: ," line + // Content: , + // "/9j/4RDaRXhpZgAATU0A..." + if ( propName === 'Content' && propValue === ',' ) { + + propValue = contentLine.replace( /"/g, '' ).replace( /,$/, '' ).trim(); + + } + + const currentNode = this.getCurrentNode(); + const parentName = currentNode.name; + + if ( parentName === 'Properties70' ) { + + this.parseNodeSpecialProperty( line, propName, propValue ); + return; + + } + + // Connections + if ( propName === 'C' ) { + + const connProps = propValue.split( ',' ).slice( 1 ); + const from = parseInt( connProps[ 0 ] ); + const to = parseInt( connProps[ 1 ] ); + + let rest = propValue.split( ',' ).slice( 3 ); + + rest = rest.map( function ( elem ) { + + return elem.trim().replace( /^"/, '' ); + + } ); + + propName = 'connections'; + propValue = [ from, to ]; + append( propValue, rest ); + + if ( currentNode[ propName ] === undefined ) { + + currentNode[ propName ] = []; + + } + + } + + // Node + if ( propName === 'Node' ) currentNode.id = propValue; + + // connections + if ( propName in currentNode && Array.isArray( currentNode[ propName ] ) ) { + + currentNode[ propName ].push( propValue ); + + } else { + + if ( propName !== 'a' ) currentNode[ propName ] = propValue; + else currentNode.a = propValue; + + } + + this.setCurrentProp( currentNode, propName ); + + // convert string to array, unless it ends in ',' in which case more will be added to it + if ( propName === 'a' && propValue.slice( - 1 ) !== ',' ) { + + currentNode.a = parseNumberArray( propValue ); + + } + + } + + parseNodePropertyContinued( line ) { + + const currentNode = this.getCurrentNode(); + + currentNode.a += line; + + // if the line doesn't end in ',' we have reached the end of the property value + // so convert the string to an array + if ( line.slice( - 1 ) !== ',' ) { + + currentNode.a = parseNumberArray( currentNode.a ); + + } + + } + + // parse "Property70" + parseNodeSpecialProperty( line, propName, propValue ) { + + // split this + // P: "Lcl Scaling", "Lcl Scaling", "", "A",1,1,1 + // into array like below + // ["Lcl Scaling", "Lcl Scaling", "", "A", "1,1,1" ] + const props = propValue.split( '",' ).map( function ( prop ) { + + return prop.trim().replace( /^\"/, '' ).replace( /\s/, '_' ); + + } ); + + const innerPropName = props[ 0 ]; + const innerPropType1 = props[ 1 ]; + const innerPropType2 = props[ 2 ]; + const innerPropFlag = props[ 3 ]; + let innerPropValue = props[ 4 ]; + + // cast values where needed, otherwise leave as strings + switch ( innerPropType1 ) { + + case 'int': + case 'enum': + case 'bool': + case 'ULongLong': + case 'double': + case 'Number': + case 'FieldOfView': + innerPropValue = parseFloat( innerPropValue ); + break; + + case 'Color': + case 'ColorRGB': + case 'Vector3D': + case 'Lcl_Translation': + case 'Lcl_Rotation': + case 'Lcl_Scaling': + innerPropValue = parseNumberArray( innerPropValue ); + break; + + } + + // CAUTION: these props must append to parent's parent + this.getPrevNode()[ innerPropName ] = { + + 'type': innerPropType1, + 'type2': innerPropType2, + 'flag': innerPropFlag, + 'value': innerPropValue + + }; + + this.setCurrentProp( this.getPrevNode(), innerPropName ); + + } + +} + +// Parse an FBX file in Binary format +class BinaryParser { + + parse( buffer ) { + + const reader = new BinaryReader( buffer ); + reader.skip( 23 ); // skip magic 23 bytes + + const version = reader.getUint32(); + + if ( version < 6400 ) { + + throw new Error( 'THREE.FBXLoader: FBX version not supported, FileVersion: ' + version ); + + } + + const allNodes = new FBXTree(); + + while ( ! this.endOfContent( reader ) ) { + + const node = this.parseNode( reader, version ); + if ( node !== null ) allNodes.add( node.name, node ); + + } + + return allNodes; + + } + + // Check if reader has reached the end of content. + endOfContent( reader ) { + + // footer size: 160bytes + 16-byte alignment padding + // - 16bytes: magic + // - padding til 16-byte alignment (at least 1byte?) + // (seems like some exporters embed fixed 15 or 16bytes?) + // - 4bytes: magic + // - 4bytes: version + // - 120bytes: zero + // - 16bytes: magic + if ( reader.size() % 16 === 0 ) { + + return ( ( reader.getOffset() + 160 + 16 ) & ~ 0xf ) >= reader.size(); + + } else { + + return reader.getOffset() + 160 + 16 >= reader.size(); + + } + + } + + // recursively parse nodes until the end of the file is reached + parseNode( reader, version ) { + + const node = {}; + + // The first three data sizes depends on version. + const endOffset = ( version >= 7500 ) ? reader.getUint64() : reader.getUint32(); + const numProperties = ( version >= 7500 ) ? reader.getUint64() : reader.getUint32(); + + ( version >= 7500 ) ? reader.getUint64() : reader.getUint32(); // the returned propertyListLen is not used + + const nameLen = reader.getUint8(); + const name = reader.getString( nameLen ); + + // Regards this node as NULL-record if endOffset is zero + if ( endOffset === 0 ) return null; + + const propertyList = []; + + for ( let i = 0; i < numProperties; i ++ ) { + + propertyList.push( this.parseProperty( reader ) ); + + } + + // Regards the first three elements in propertyList as id, attrName, and attrType + const id = propertyList.length > 0 ? propertyList[ 0 ] : ''; + const attrName = propertyList.length > 1 ? propertyList[ 1 ] : ''; + const attrType = propertyList.length > 2 ? propertyList[ 2 ] : ''; + + // check if this node represents just a single property + // like (name, 0) set or (name2, [0, 1, 2]) set of {name: 0, name2: [0, 1, 2]} + node.singleProperty = ( numProperties === 1 && reader.getOffset() === endOffset ) ? true : false; + + while ( endOffset > reader.getOffset() ) { + + const subNode = this.parseNode( reader, version ); + + if ( subNode !== null ) this.parseSubNode( name, node, subNode ); + + } + + node.propertyList = propertyList; // raw property list used by parent + + if ( typeof id === 'number' ) node.id = id; + if ( attrName !== '' ) node.attrName = attrName; + if ( attrType !== '' ) node.attrType = attrType; + if ( name !== '' ) node.name = name; + + return node; + + } + + parseSubNode( name, node, subNode ) { + + // special case: child node is single property + if ( subNode.singleProperty === true ) { + + const value = subNode.propertyList[ 0 ]; + + if ( Array.isArray( value ) ) { + + node[ subNode.name ] = subNode; + + subNode.a = value; + + } else { + + node[ subNode.name ] = value; + + } + + } else if ( name === 'Connections' && subNode.name === 'C' ) { + + const array = []; + + subNode.propertyList.forEach( function ( property, i ) { + + // first Connection is FBX type (OO, OP, etc.). We'll discard these + if ( i !== 0 ) array.push( property ); + + } ); + + if ( node.connections === undefined ) { + + node.connections = []; + + } + + node.connections.push( array ); + + } else if ( subNode.name === 'Properties70' ) { + + const keys = Object.keys( subNode ); + + keys.forEach( function ( key ) { + + node[ key ] = subNode[ key ]; + + } ); + + } else if ( name === 'Properties70' && subNode.name === 'P' ) { + + let innerPropName = subNode.propertyList[ 0 ]; + let innerPropType1 = subNode.propertyList[ 1 ]; + const innerPropType2 = subNode.propertyList[ 2 ]; + const innerPropFlag = subNode.propertyList[ 3 ]; + let innerPropValue; + + if ( innerPropName.indexOf( 'Lcl ' ) === 0 ) innerPropName = innerPropName.replace( 'Lcl ', 'Lcl_' ); + if ( innerPropType1.indexOf( 'Lcl ' ) === 0 ) innerPropType1 = innerPropType1.replace( 'Lcl ', 'Lcl_' ); + + if ( innerPropType1 === 'Color' || innerPropType1 === 'ColorRGB' || innerPropType1 === 'Vector' || innerPropType1 === 'Vector3D' || innerPropType1.indexOf( 'Lcl_' ) === 0 ) { + + innerPropValue = [ + subNode.propertyList[ 4 ], + subNode.propertyList[ 5 ], + subNode.propertyList[ 6 ] + ]; + + } else { + + innerPropValue = subNode.propertyList[ 4 ]; + + } + + // this will be copied to parent, see above + node[ innerPropName ] = { + + 'type': innerPropType1, + 'type2': innerPropType2, + 'flag': innerPropFlag, + 'value': innerPropValue + + }; + + } else if ( node[ subNode.name ] === undefined ) { + + if ( typeof subNode.id === 'number' ) { + + node[ subNode.name ] = {}; + node[ subNode.name ][ subNode.id ] = subNode; + + } else { + + node[ subNode.name ] = subNode; + + } + + } else { + + if ( subNode.name === 'PoseNode' ) { + + if ( ! Array.isArray( node[ subNode.name ] ) ) { + + node[ subNode.name ] = [ node[ subNode.name ] ]; + + } + + node[ subNode.name ].push( subNode ); + + } else if ( node[ subNode.name ][ subNode.id ] === undefined ) { + + node[ subNode.name ][ subNode.id ] = subNode; + + } + + } + + } + + parseProperty( reader ) { + + const type = reader.getString( 1 ); + let length; + + switch ( type ) { + + case 'C': + return reader.getBoolean(); + + case 'D': + return reader.getFloat64(); + + case 'F': + return reader.getFloat32(); + + case 'I': + return reader.getInt32(); + + case 'L': + return reader.getInt64(); + + case 'R': + length = reader.getUint32(); + return reader.getArrayBuffer( length ); + + case 'S': + length = reader.getUint32(); + return reader.getString( length ); + + case 'Y': + return reader.getInt16(); + + case 'b': + case 'c': + case 'd': + case 'f': + case 'i': + case 'l': + + const arrayLength = reader.getUint32(); + const encoding = reader.getUint32(); // 0: non-compressed, 1: compressed + const compressedLength = reader.getUint32(); + + if ( encoding === 0 ) { + + switch ( type ) { + + case 'b': + case 'c': + return reader.getBooleanArray( arrayLength ); + + case 'd': + return reader.getFloat64Array( arrayLength ); + + case 'f': + return reader.getFloat32Array( arrayLength ); + + case 'i': + return reader.getInt32Array( arrayLength ); + + case 'l': + return reader.getInt64Array( arrayLength ); + + } + + } + + const data = fflate.unzlibSync( new Uint8Array( reader.getArrayBuffer( compressedLength ) ) ); + const reader2 = new BinaryReader( data.buffer ); + + switch ( type ) { + + case 'b': + case 'c': + return reader2.getBooleanArray( arrayLength ); + + case 'd': + return reader2.getFloat64Array( arrayLength ); + + case 'f': + return reader2.getFloat32Array( arrayLength ); + + case 'i': + return reader2.getInt32Array( arrayLength ); + + case 'l': + return reader2.getInt64Array( arrayLength ); + + } + + break; // cannot happen but is required by the DeepScan + + default: + throw new Error( 'THREE.FBXLoader: Unknown property type ' + type ); + + } + + } + +} + +class BinaryReader { + + constructor( buffer, littleEndian ) { + + this.dv = new DataView( buffer ); + this.offset = 0; + this.littleEndian = ( littleEndian !== undefined ) ? littleEndian : true; + this._textDecoder = new TextDecoder(); + + } + + getOffset() { + + return this.offset; + + } + + size() { + + return this.dv.buffer.byteLength; + + } + + skip( length ) { + + this.offset += length; + + } + + // seems like true/false representation depends on exporter. + // true: 1 or 'Y'(=0x59), false: 0 or 'T'(=0x54) + // then sees LSB. + getBoolean() { + + return ( this.getUint8() & 1 ) === 1; + + } + + getBooleanArray( size ) { + + const a = []; + + for ( let i = 0; i < size; i ++ ) { + + a.push( this.getBoolean() ); + + } + + return a; + + } + + getUint8() { + + const value = this.dv.getUint8( this.offset ); + this.offset += 1; + return value; + + } + + getInt16() { + + const value = this.dv.getInt16( this.offset, this.littleEndian ); + this.offset += 2; + return value; + + } + + getInt32() { + + const value = this.dv.getInt32( this.offset, this.littleEndian ); + this.offset += 4; + return value; + + } + + getInt32Array( size ) { + + const a = []; + + for ( let i = 0; i < size; i ++ ) { + + a.push( this.getInt32() ); + + } + + return a; + + } + + getUint32() { + + const value = this.dv.getUint32( this.offset, this.littleEndian ); + this.offset += 4; + return value; + + } + + // JavaScript doesn't support 64-bit integer so calculate this here + // 1 << 32 will return 1 so using multiply operation instead here. + // There's a possibility that this method returns wrong value if the value + // is out of the range between Number.MAX_SAFE_INTEGER and Number.MIN_SAFE_INTEGER. + // TODO: safely handle 64-bit integer + getInt64() { + + let low, high; + + if ( this.littleEndian ) { + + low = this.getUint32(); + high = this.getUint32(); + + } else { + + high = this.getUint32(); + low = this.getUint32(); + + } + + // calculate negative value + if ( high & 0x80000000 ) { + + high = ~ high & 0xFFFFFFFF; + low = ~ low & 0xFFFFFFFF; + + if ( low === 0xFFFFFFFF ) high = ( high + 1 ) & 0xFFFFFFFF; + + low = ( low + 1 ) & 0xFFFFFFFF; + + return - ( high * 0x100000000 + low ); + + } + + return high * 0x100000000 + low; + + } + + getInt64Array( size ) { + + const a = []; + + for ( let i = 0; i < size; i ++ ) { + + a.push( this.getInt64() ); + + } + + return a; + + } + + // Note: see getInt64() comment + getUint64() { + + let low, high; + + if ( this.littleEndian ) { + + low = this.getUint32(); + high = this.getUint32(); + + } else { + + high = this.getUint32(); + low = this.getUint32(); + + } + + return high * 0x100000000 + low; + + } + + getFloat32() { + + const value = this.dv.getFloat32( this.offset, this.littleEndian ); + this.offset += 4; + return value; + + } + + getFloat32Array( size ) { + + const a = []; + + for ( let i = 0; i < size; i ++ ) { + + a.push( this.getFloat32() ); + + } + + return a; + + } + + getFloat64() { + + const value = this.dv.getFloat64( this.offset, this.littleEndian ); + this.offset += 8; + return value; + + } + + getFloat64Array( size ) { + + const a = []; + + for ( let i = 0; i < size; i ++ ) { + + a.push( this.getFloat64() ); + + } + + return a; + + } + + getArrayBuffer( size ) { + + const value = this.dv.buffer.slice( this.offset, this.offset + size ); + this.offset += size; + return value; + + } + + getString( size ) { + + const start = this.offset; + let a = new Uint8Array( this.dv.buffer, start, size ); + + this.skip( size ); + + const nullByte = a.indexOf( 0 ); + if ( nullByte >= 0 ) a = new Uint8Array( this.dv.buffer, start, nullByte ); + + return this._textDecoder.decode( a ); + + } + +} + +// FBXTree holds a representation of the FBX data, returned by the TextParser ( FBX ASCII format) +// and BinaryParser( FBX Binary format) +class FBXTree { + + add( key, val ) { + + this[ key ] = val; + + } + +} + +// ************** UTILITY FUNCTIONS ************** + +function isFbxFormatBinary( buffer ) { + + const CORRECT = 'Kaydara\u0020FBX\u0020Binary\u0020\u0020\0'; + + return buffer.byteLength >= CORRECT.length && CORRECT === convertArrayBufferToString( buffer, 0, CORRECT.length ); + +} + +function isFbxFormatASCII( text ) { + + const CORRECT = [ 'K', 'a', 'y', 'd', 'a', 'r', 'a', '\\', 'F', 'B', 'X', '\\', 'B', 'i', 'n', 'a', 'r', 'y', '\\', '\\' ]; + + let cursor = 0; + + function read( offset ) { + + const result = text[ offset - 1 ]; + text = text.slice( cursor + offset ); + cursor ++; + return result; + + } + + for ( let i = 0; i < CORRECT.length; ++ i ) { + + const num = read( 1 ); + if ( num === CORRECT[ i ] ) { + + return false; + + } + + } + + return true; + +} + +function getFbxVersion( text ) { + + const versionRegExp = /FBXVersion: (\d+)/; + const match = text.match( versionRegExp ); + + if ( match ) { + + const version = parseInt( match[ 1 ] ); + return version; + + } + + throw new Error( 'THREE.FBXLoader: Cannot find the version number for the file given.' ); + +} + +// Converts FBX ticks into real time seconds. +function convertFBXTimeToSeconds( time ) { + + return time / 46186158000; + +} + +const dataArray = []; + +// extracts the data from the correct position in the FBX array based on indexing type +function getData( polygonVertexIndex, polygonIndex, vertexIndex, infoObject ) { + + let index; + + switch ( infoObject.mappingType ) { + + case 'ByPolygonVertex' : + index = polygonVertexIndex; + break; + case 'ByPolygon' : + index = polygonIndex; + break; + case 'ByVertice' : + index = vertexIndex; + break; + case 'AllSame' : + index = infoObject.indices[ 0 ]; + break; + default : + console.warn( 'THREE.FBXLoader: unknown attribute mapping type ' + infoObject.mappingType ); + + } + + if ( infoObject.referenceType === 'IndexToDirect' ) index = infoObject.indices[ index ]; + + const from = index * infoObject.dataSize; + const to = from + infoObject.dataSize; + + return slice( dataArray, infoObject.buffer, from, to ); + +} + +const tempEuler = new Euler(); +const tempVec = new Vector3(); + +// generate transformation from FBX transform data +// ref: https://help.autodesk.com/view/FBX/2017/ENU/?guid=__files_GUID_10CDD63C_79C1_4F2D_BB28_AD2BE65A02ED_htm +// ref: http://docs.autodesk.com/FBX/2014/ENU/FBX-SDK-Documentation/index.html?url=cpp_ref/_transformations_2main_8cxx-example.html,topicNumber=cpp_ref__transformations_2main_8cxx_example_htmlfc10a1e1-b18d-4e72-9dc0-70d0f1959f5e +function generateTransform( transformData ) { + + const lTranslationM = new Matrix4(); + const lPreRotationM = new Matrix4(); + const lRotationM = new Matrix4(); + const lPostRotationM = new Matrix4(); + + const lScalingM = new Matrix4(); + const lScalingPivotM = new Matrix4(); + const lScalingOffsetM = new Matrix4(); + const lRotationOffsetM = new Matrix4(); + const lRotationPivotM = new Matrix4(); + + const lParentGX = new Matrix4(); + const lParentLX = new Matrix4(); + const lGlobalT = new Matrix4(); + + const inheritType = ( transformData.inheritType ) ? transformData.inheritType : 0; + + if ( transformData.translation ) lTranslationM.setPosition( tempVec.fromArray( transformData.translation ) ); + + // For Maya models using "Joint Orient", Euler order only applies to rotation, not pre/post-rotations + const defaultEulerOrder = getEulerOrder( 0 ); + + if ( transformData.preRotation ) { + + const array = transformData.preRotation.map( MathUtils.degToRad ); + array.push( defaultEulerOrder ); + lPreRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) ); + + } + + if ( transformData.rotation ) { + + const array = transformData.rotation.map( MathUtils.degToRad ); + array.push( transformData.eulerOrder || defaultEulerOrder ); + lRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) ); + + } + + if ( transformData.postRotation ) { + + const array = transformData.postRotation.map( MathUtils.degToRad ); + array.push( defaultEulerOrder ); + lPostRotationM.makeRotationFromEuler( tempEuler.fromArray( array ) ); + lPostRotationM.invert(); + + } + + if ( transformData.scale ) lScalingM.scale( tempVec.fromArray( transformData.scale ) ); + + // Pivots and offsets + if ( transformData.scalingOffset ) lScalingOffsetM.setPosition( tempVec.fromArray( transformData.scalingOffset ) ); + if ( transformData.scalingPivot ) lScalingPivotM.setPosition( tempVec.fromArray( transformData.scalingPivot ) ); + if ( transformData.rotationOffset ) lRotationOffsetM.setPosition( tempVec.fromArray( transformData.rotationOffset ) ); + if ( transformData.rotationPivot ) lRotationPivotM.setPosition( tempVec.fromArray( transformData.rotationPivot ) ); + + // parent transform + if ( transformData.parentMatrixWorld ) { + + lParentLX.copy( transformData.parentMatrix ); + lParentGX.copy( transformData.parentMatrixWorld ); + + } + + const lLRM = lPreRotationM.clone().multiply( lRotationM ).multiply( lPostRotationM ); + // Global Rotation + const lParentGRM = new Matrix4(); + lParentGRM.extractRotation( lParentGX ); + + // Global Shear*Scaling + const lParentTM = new Matrix4(); + lParentTM.copyPosition( lParentGX ); + + const lParentGRSM = lParentTM.clone().invert().multiply( lParentGX ); + const lParentGSM = lParentGRM.clone().invert().multiply( lParentGRSM ); + const lLSM = lScalingM; + + const lGlobalRS = new Matrix4(); + + if ( inheritType === 0 ) { + + lGlobalRS.copy( lParentGRM ).multiply( lLRM ).multiply( lParentGSM ).multiply( lLSM ); + + } else if ( inheritType === 1 ) { + + lGlobalRS.copy( lParentGRM ).multiply( lParentGSM ).multiply( lLRM ).multiply( lLSM ); + + } else { + + const lParentLSM = new Matrix4().scale( new Vector3().setFromMatrixScale( lParentLX ) ); + const lParentLSM_inv = lParentLSM.clone().invert(); + const lParentGSM_noLocal = lParentGSM.clone().multiply( lParentLSM_inv ); + + lGlobalRS.copy( lParentGRM ).multiply( lLRM ).multiply( lParentGSM_noLocal ).multiply( lLSM ); + + } + + const lRotationPivotM_inv = lRotationPivotM.clone().invert(); + const lScalingPivotM_inv = lScalingPivotM.clone().invert(); + // Calculate the local transform matrix + let lTransform = lTranslationM.clone().multiply( lRotationOffsetM ).multiply( lRotationPivotM ).multiply( lPreRotationM ).multiply( lRotationM ).multiply( lPostRotationM ).multiply( lRotationPivotM_inv ).multiply( lScalingOffsetM ).multiply( lScalingPivotM ).multiply( lScalingM ).multiply( lScalingPivotM_inv ); + + const lLocalTWithAllPivotAndOffsetInfo = new Matrix4().copyPosition( lTransform ); + + const lGlobalTranslation = lParentGX.clone().multiply( lLocalTWithAllPivotAndOffsetInfo ); + lGlobalT.copyPosition( lGlobalTranslation ); + + lTransform = lGlobalT.clone().multiply( lGlobalRS ); + + // from global to local + lTransform.premultiply( lParentGX.invert() ); + + return lTransform; + +} + +// Returns the three.js intrinsic Euler order corresponding to FBX extrinsic Euler order +// ref: http://help.autodesk.com/view/FBX/2017/ENU/?guid=__cpp_ref_class_fbx_euler_html +function getEulerOrder( order ) { + + order = order || 0; + + const enums = [ + 'ZYX', // -> XYZ extrinsic + 'YZX', // -> XZY extrinsic + 'XZY', // -> YZX extrinsic + 'ZXY', // -> YXZ extrinsic + 'YXZ', // -> ZXY extrinsic + 'XYZ', // -> ZYX extrinsic + //'SphericXYZ', // not possible to support + ]; + + if ( order === 6 ) { + + console.warn( 'THREE.FBXLoader: unsupported Euler Order: Spherical XYZ. Animations and rotations may be incorrect.' ); + return enums[ 0 ]; + + } + + return enums[ order ]; + +} + +// Parses comma separated list of numbers and returns them an array. +// Used internally by the TextParser +function parseNumberArray( value ) { + + const array = value.split( ',' ).map( function ( val ) { + + return parseFloat( val ); + + } ); + + return array; + +} + +function convertArrayBufferToString( buffer, from, to ) { + + if ( from === undefined ) from = 0; + if ( to === undefined ) to = buffer.byteLength; + + return new TextDecoder().decode( new Uint8Array( buffer, from, to ) ); + +} + +function append( a, b ) { + + for ( let i = 0, j = a.length, l = b.length; i < l; i ++, j ++ ) { + + a[ j ] = b[ i ]; + + } + +} + +function slice( a, b, from, to ) { + + for ( let i = from, j = 0; i < to; i ++, j ++ ) { + + a[ j ] = b[ i ]; + + } + + return a; + +} + + +export { FBXLoader }; diff --git a/node_modules/three/examples/jsm/loaders/FontLoader.js b/node_modules/three/examples/jsm/loaders/FontLoader.js new file mode 100644 index 0000000..a47d0b7 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/FontLoader.js @@ -0,0 +1,260 @@ +import { + FileLoader, + Loader, + ShapePath +} from 'three'; + +/** + * A loader for loading fonts. + * + * You can convert fonts online using [facetype.js](https://gero3.github.io/facetype.js/). + * + * ```js + * const loader = new FontLoader(); + * const font = await loader.loadAsync( 'fonts/helvetiker_regular.typeface.json' ); + * ``` + * + * @augments Loader + * @three_import import { FontLoader } from 'three/addons/loaders/FontLoader.js'; + */ +class FontLoader extends Loader { + + /** + * Constructs a new font loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded font + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Font)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + const font = scope.parse( JSON.parse( text ) ); + + if ( onLoad ) onLoad( font ); + + }, onProgress, onError ); + + } + + /** + * Parses the given font data and returns the resulting font. + * + * @param {Object} json - The raw font data as a JSON object. + * @return {Font} The font. + */ + parse( json ) { + + return new Font( json ); + + } + +} + +/** + * Class representing a font. + */ +class Font { + + /** + * Constructs a new font. + * + * @param {Object} data - The font data as JSON. + */ + constructor( data ) { + + /** + * This flag can be used for type testing. + * + * @type {boolean} + * @readonly + * @default true + */ + this.isFont = true; + + this.type = 'Font'; + + /** + * The font data as JSON. + * + * @type {Object} + */ + this.data = data; + + } + + /** + * Generates geometry shapes from the given text and size. The result of this method + * should be used with {@link ShapeGeometry} to generate the actual geometry data. + * + * @param {string} text - The text. + * @param {number} [size=100] - The text size. + * @param {string} [direction='ltr'] - Char direction: ltr(left to right), rtl(right to left) & tb(top bottom). + * @return {Array} An array of shapes representing the text. + */ + generateShapes( text, size = 100, direction = 'ltr' ) { + + const shapes = []; + const paths = createPaths( text, size, this.data, direction ); + + for ( let p = 0, pl = paths.length; p < pl; p ++ ) { + + shapes.push( ...paths[ p ].toShapes() ); + + } + + return shapes; + + } + +} + +function createPaths( text, size, data, direction ) { + + const chars = Array.from( text ); + const scale = size / data.resolution; + const line_height = ( data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness ) * scale; + + const paths = []; + + let offsetX = 0, offsetY = 0; + + if ( direction == 'rtl' || direction == 'tb' ) { + + chars.reverse(); + + } + + for ( let i = 0; i < chars.length; i ++ ) { + + const char = chars[ i ]; + + if ( char === '\n' ) { + + offsetX = 0; + offsetY -= line_height; + + } else { + + const ret = createPath( char, scale, offsetX, offsetY, data ); + + if ( direction == 'tb' ) { + + offsetX = 0; + offsetY += data.ascender * scale; + + } else { + + offsetX += ret.offsetX; + + } + + paths.push( ret.path ); + + } + + } + + return paths; + +} + +function createPath( char, scale, offsetX, offsetY, data ) { + + const glyph = data.glyphs[ char ] || data.glyphs[ '?' ]; + + if ( ! glyph ) { + + console.error( 'THREE.Font: character "' + char + '" does not exists in font family ' + data.familyName + '.' ); + + return; + + } + + const path = new ShapePath(); + + let x, y, cpx, cpy, cpx1, cpy1, cpx2, cpy2; + + if ( glyph.o ) { + + const outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) ); + + for ( let i = 0, l = outline.length; i < l; ) { + + const action = outline[ i ++ ]; + + switch ( action ) { + + case 'm': // moveTo + + x = outline[ i ++ ] * scale + offsetX; + y = outline[ i ++ ] * scale + offsetY; + + path.moveTo( x, y ); + + break; + + case 'l': // lineTo + + x = outline[ i ++ ] * scale + offsetX; + y = outline[ i ++ ] * scale + offsetY; + + path.lineTo( x, y ); + + break; + + case 'q': // quadraticCurveTo + + cpx = outline[ i ++ ] * scale + offsetX; + cpy = outline[ i ++ ] * scale + offsetY; + cpx1 = outline[ i ++ ] * scale + offsetX; + cpy1 = outline[ i ++ ] * scale + offsetY; + + path.quadraticCurveTo( cpx1, cpy1, cpx, cpy ); + + break; + + case 'b': // bezierCurveTo + + cpx = outline[ i ++ ] * scale + offsetX; + cpy = outline[ i ++ ] * scale + offsetY; + cpx1 = outline[ i ++ ] * scale + offsetX; + cpy1 = outline[ i ++ ] * scale + offsetY; + cpx2 = outline[ i ++ ] * scale + offsetX; + cpy2 = outline[ i ++ ] * scale + offsetY; + + path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy ); + + break; + + } + + } + + } + + return { offsetX: glyph.ha * scale, path: path }; + +} + +export { FontLoader, Font }; diff --git a/node_modules/three/examples/jsm/loaders/GCodeLoader.js b/node_modules/three/examples/jsm/loaders/GCodeLoader.js new file mode 100644 index 0000000..7cb8391 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/GCodeLoader.js @@ -0,0 +1,292 @@ +import { + BufferGeometry, + FileLoader, + Float32BufferAttribute, + Group, + LineBasicMaterial, + LineSegments, + Loader +} from 'three'; + +/** + * A loader for the GCode format. + * + * GCode files are usually used for 3D printing or CNC applications. + * + * ```js + * const loader = new GCodeLoader(); + * const object = await loader.loadAsync( 'models/gcode/benchy.gcode' ); + * scene.add( object ); + * ``` + * + * @augments Loader + * @three_import import { GCodeLoader } from 'three/addons/loaders/GCodeLoader.js'; + */ +class GCodeLoader extends Loader { + + /** + * Constructs a new GCode loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * Whether to split layers or not. + * + * @type {boolean} + * @default false + */ + this.splitLayer = false; + + } + + /** + * Starts loading from the given URL and passes the loaded GCode asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Group)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given GCode data and returns a group with lines. + * + * @param {string} data - The raw Gcode data as a string. + * @return {Group} The parsed GCode asset. + */ + parse( data ) { + + let state = { x: 0, y: 0, z: 0, e: 0, f: 0, extruding: false, relative: false }; + const layers = []; + + let currentLayer = undefined; + + const pathMaterial = new LineBasicMaterial( { color: 0xFF0000 } ); + pathMaterial.name = 'path'; + + const extrudingMaterial = new LineBasicMaterial( { color: 0x00FF00 } ); + extrudingMaterial.name = 'extruded'; + + function newLayer( line ) { + + currentLayer = { vertex: [], pathVertex: [], z: line.z }; + layers.push( currentLayer ); + + } + + //Create lie segment between p1 and p2 + function addSegment( p1, p2 ) { + + if ( currentLayer === undefined ) { + + newLayer( p1 ); + + } + + if ( state.extruding ) { + + currentLayer.vertex.push( p1.x, p1.y, p1.z ); + currentLayer.vertex.push( p2.x, p2.y, p2.z ); + + } else { + + currentLayer.pathVertex.push( p1.x, p1.y, p1.z ); + currentLayer.pathVertex.push( p2.x, p2.y, p2.z ); + + } + + } + + function delta( v1, v2 ) { + + return state.relative ? v2 : v2 - v1; + + } + + function absolute( v1, v2 ) { + + return state.relative ? v1 + v2 : v2; + + } + + const lines = data.replace( /;.+/g, '' ).split( '\n' ); + + for ( let i = 0; i < lines.length; i ++ ) { + + const tokens = lines[ i ].split( ' ' ); + const cmd = tokens[ 0 ].toUpperCase(); + + //Arguments + const args = {}; + tokens.splice( 1 ).forEach( function ( token ) { + + if ( token[ 0 ] !== undefined ) { + + const key = token[ 0 ].toLowerCase(); + const value = parseFloat( token.substring( 1 ) ); + args[ key ] = value; + + } + + } ); + + //Process commands + //G0/G1 – Linear Movement + if ( cmd === 'G0' || cmd === 'G1' ) { + + const line = { + x: args.x !== undefined ? absolute( state.x, args.x ) : state.x, + y: args.y !== undefined ? absolute( state.y, args.y ) : state.y, + z: args.z !== undefined ? absolute( state.z, args.z ) : state.z, + e: args.e !== undefined ? absolute( state.e, args.e ) : state.e, + f: args.f !== undefined ? absolute( state.f, args.f ) : state.f, + }; + + //Layer change detection is or made by watching Z, it's made by watching when we extrude at a new Z position + if ( delta( state.e, line.e ) > 0 ) { + + state.extruding = delta( state.e, line.e ) > 0; + + if ( currentLayer == undefined || line.z != currentLayer.z ) { + + newLayer( line ); + + } + + } + + addSegment( state, line ); + state = line; + + } else if ( cmd === 'G2' || cmd === 'G3' ) { + + //G2/G3 - Arc Movement ( G2 clock wise and G3 counter clock wise ) + //console.warn( 'THREE.GCodeLoader: Arc command not supported' ); + + } else if ( cmd === 'G90' ) { + + //G90: Set to Absolute Positioning + state.relative = false; + + } else if ( cmd === 'G91' ) { + + //G91: Set to state.relative Positioning + state.relative = true; + + } else if ( cmd === 'G92' ) { + + //G92: Set Position + const line = state; + line.x = args.x !== undefined ? args.x : line.x; + line.y = args.y !== undefined ? args.y : line.y; + line.z = args.z !== undefined ? args.z : line.z; + line.e = args.e !== undefined ? args.e : line.e; + + } else { + + //console.warn( 'THREE.GCodeLoader: Command not supported:' + cmd ); + + } + + } + + function addObject( vertex, extruding, i ) { + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertex, 3 ) ); + const segments = new LineSegments( geometry, extruding ? extrudingMaterial : pathMaterial ); + segments.name = 'layer' + i; + object.add( segments ); + + } + + const object = new Group(); + object.name = 'gcode'; + + if ( this.splitLayer ) { + + for ( let i = 0; i < layers.length; i ++ ) { + + const layer = layers[ i ]; + addObject( layer.vertex, true, i ); + addObject( layer.pathVertex, false, i ); + + } + + } else { + + const vertex = [], + pathVertex = []; + + for ( let i = 0; i < layers.length; i ++ ) { + + const layer = layers[ i ]; + const layerVertex = layer.vertex; + const layerPathVertex = layer.pathVertex; + + for ( let j = 0; j < layerVertex.length; j ++ ) { + + vertex.push( layerVertex[ j ] ); + + } + + for ( let j = 0; j < layerPathVertex.length; j ++ ) { + + pathVertex.push( layerPathVertex[ j ] ); + + } + + } + + addObject( vertex, true, layers.length ); + addObject( pathVertex, false, layers.length ); + + } + + object.rotation.set( - Math.PI / 2, 0, 0 ); + + return object; + + } + +} + +export { GCodeLoader }; diff --git a/node_modules/three/examples/jsm/loaders/GLTFLoader.js b/node_modules/three/examples/jsm/loaders/GLTFLoader.js new file mode 100644 index 0000000..7e9166d --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/GLTFLoader.js @@ -0,0 +1,4892 @@ +import { + AnimationClip, + Bone, + Box3, + BufferAttribute, + BufferGeometry, + ClampToEdgeWrapping, + Color, + ColorManagement, + DirectionalLight, + DoubleSide, + FileLoader, + FrontSide, + Group, + ImageBitmapLoader, + InstancedMesh, + InterleavedBuffer, + InterleavedBufferAttribute, + Interpolant, + InterpolateDiscrete, + InterpolateLinear, + Line, + LineBasicMaterial, + LineLoop, + LineSegments, + LinearFilter, + LinearMipmapLinearFilter, + LinearMipmapNearestFilter, + LinearSRGBColorSpace, + Loader, + LoaderUtils, + Material, + MathUtils, + Matrix4, + Mesh, + MeshBasicMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MirroredRepeatWrapping, + NearestFilter, + NearestMipmapLinearFilter, + NearestMipmapNearestFilter, + NumberKeyframeTrack, + Object3D, + OrthographicCamera, + PerspectiveCamera, + PointLight, + Points, + PointsMaterial, + PropertyBinding, + Quaternion, + QuaternionKeyframeTrack, + RepeatWrapping, + Skeleton, + SkinnedMesh, + Sphere, + SpotLight, + Texture, + TextureLoader, + TriangleFanDrawMode, + TriangleStripDrawMode, + Vector2, + Vector3, + VectorKeyframeTrack, + SRGBColorSpace, + InstancedBufferAttribute +} from 'three'; +import { toTrianglesDrawMode } from '../utils/BufferGeometryUtils.js'; + +/** + * A loader for the glTF 2.0 format. + * + * [glTF](https://www.khronos.org/gltf/} (GL Transmission Format) is an [open format specification]{@link https://github.com/KhronosGroup/glTF/tree/main/specification/2.0) + * for efficient delivery and loading of 3D content. Assets may be provided either in JSON (.gltf) or binary (.glb) + * format. External files store textures (.jpg, .png) and additional binary data (.bin). A glTF asset may deliver + * one or more scenes, including meshes, materials, textures, skins, skeletons, morph targets, animations, lights, + * and/or cameras. + * + * `GLTFLoader` uses {@link ImageBitmapLoader} whenever possible. Be advised that image bitmaps are not + * automatically GC-collected when they are no longer referenced, and they require special handling during + * the disposal process. + * + * `GLTFLoader` supports the following glTF 2.0 extensions: + * - KHR_draco_mesh_compression + * - KHR_materials_clearcoat + * - KHR_materials_dispersion + * - KHR_materials_ior + * - KHR_materials_specular + * - KHR_materials_transmission + * - KHR_materials_iridescence + * - KHR_materials_unlit + * - KHR_materials_volume + * - KHR_mesh_quantization + * - KHR_lights_punctual + * - KHR_texture_basisu + * - KHR_texture_transform + * - EXT_texture_webp + * - EXT_meshopt_compression + * - EXT_mesh_gpu_instancing + * + * The following glTF 2.0 extension is supported by an external user plugin: + * - [KHR_materials_variants](https://github.com/takahirox/three-gltf-extensions) + * - [MSFT_texture_dds](https://github.com/takahirox/three-gltf-extensions) + * - [KHR_animation_pointer](https://github.com/needle-tools/three-animation-pointer) + * - [NEEDLE_progressive](https://github.com/needle-tools/gltf-progressive) + * + * ```js + * const loader = new GLTFLoader(); + * + * // Optional: Provide a DRACOLoader instance to decode compressed mesh data + * const dracoLoader = new DRACOLoader(); + * dracoLoader.setDecoderPath( '/examples/jsm/libs/draco/' ); + * loader.setDRACOLoader( dracoLoader ); + * + * const gltf = await loader.loadAsync( 'models/gltf/duck/duck.gltf' ); + * scene.add( gltf.scene ); + * ``` + * + * @augments Loader + * @three_import import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js'; + */ +class GLTFLoader extends Loader { + + /** + * Constructs a new glTF loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + this.dracoLoader = null; + this.ktx2Loader = null; + this.meshoptDecoder = null; + + this.pluginCallbacks = []; + + this.register( function ( parser ) { + + return new GLTFMaterialsClearcoatExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsDispersionExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFTextureBasisUExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFTextureWebPExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFTextureAVIFExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsSheenExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsTransmissionExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsVolumeExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsIorExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsEmissiveStrengthExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsSpecularExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsIridescenceExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsAnisotropyExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMaterialsBumpExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFLightsExtension( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMeshoptCompression( parser ); + + } ); + + this.register( function ( parser ) { + + return new GLTFMeshGpuInstancing( parser ); + + } ); + + } + + /** + * Starts loading from the given URL and passes the loaded glTF asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(GLTFLoader~LoadObject)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + let resourcePath; + + if ( this.resourcePath !== '' ) { + + resourcePath = this.resourcePath; + + } else if ( this.path !== '' ) { + + // If a base path is set, resources will be relative paths from that plus the relative path of the gltf file + // Example path = 'https://my-cnd-server.com/', url = 'assets/models/model.gltf' + // resourcePath = 'https://my-cnd-server.com/assets/models/' + // referenced resource 'model.bin' will be loaded from 'https://my-cnd-server.com/assets/models/model.bin' + // referenced resource '../textures/texture.png' will be loaded from 'https://my-cnd-server.com/assets/textures/texture.png' + const relativeUrl = LoaderUtils.extractUrlBase( url ); + resourcePath = LoaderUtils.resolveURL( relativeUrl, this.path ); + + } else { + + resourcePath = LoaderUtils.extractUrlBase( url ); + + } + + // Tells the LoadingManager to track an extra item, which resolves after + // the model is fully loaded. This means the count of items loaded will + // be incorrect, but ensures manager.onLoad() does not fire early. + this.manager.itemStart( url ); + + const _onError = function ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + }; + + const loader = new FileLoader( this.manager ); + + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + + loader.load( url, function ( data ) { + + try { + + scope.parse( data, resourcePath, function ( gltf ) { + + onLoad( gltf ); + + scope.manager.itemEnd( url ); + + }, _onError ); + + } catch ( e ) { + + _onError( e ); + + } + + }, onProgress, _onError ); + + } + + /** + * Sets the given Draco loader to this loader. Required for decoding assets + * compressed with the `KHR_draco_mesh_compression` extension. + * + * @param {DRACOLoader} dracoLoader - The Draco loader to set. + * @return {GLTFLoader} A reference to this loader. + */ + setDRACOLoader( dracoLoader ) { + + this.dracoLoader = dracoLoader; + return this; + + } + + /** + * Sets the given KTX2 loader to this loader. Required for loading KTX2 + * compressed textures. + * + * @param {KTX2Loader} ktx2Loader - The KTX2 loader to set. + * @return {GLTFLoader} A reference to this loader. + */ + setKTX2Loader( ktx2Loader ) { + + this.ktx2Loader = ktx2Loader; + return this; + + } + + /** + * Sets the given meshopt decoder. Required for decoding assets + * compressed with the `EXT_meshopt_compression` extension. + * + * @param {Object} meshoptDecoder - The meshopt decoder to set. + * @return {GLTFLoader} A reference to this loader. + */ + setMeshoptDecoder( meshoptDecoder ) { + + this.meshoptDecoder = meshoptDecoder; + return this; + + } + + /** + * Registers a plugin callback. This API is internally used to implement the various + * glTF extensions but can also used by third-party code to add additional logic + * to the loader. + * + * @param {function(parser:GLTFParser)} callback - The callback function to register. + * @return {GLTFLoader} A reference to this loader. + */ + register( callback ) { + + if ( this.pluginCallbacks.indexOf( callback ) === - 1 ) { + + this.pluginCallbacks.push( callback ); + + } + + return this; + + } + + /** + * Unregisters a plugin callback. + * + * @param {Function} callback - The callback function to unregister. + * @return {GLTFLoader} A reference to this loader. + */ + unregister( callback ) { + + if ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) { + + this.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 ); + + } + + return this; + + } + + /** + * Parses the given FBX data and returns the resulting group. + * + * @param {string|ArrayBuffer} data - The raw glTF data. + * @param {string} path - The URL base path. + * @param {function(GLTFLoader~LoadObject)} onLoad - Executed when the loading process has been finished. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + parse( data, path, onLoad, onError ) { + + let json; + const extensions = {}; + const plugins = {}; + const textDecoder = new TextDecoder(); + + if ( typeof data === 'string' ) { + + json = JSON.parse( data ); + + } else if ( data instanceof ArrayBuffer ) { + + const magic = textDecoder.decode( new Uint8Array( data, 0, 4 ) ); + + if ( magic === BINARY_EXTENSION_HEADER_MAGIC ) { + + try { + + extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data ); + + } catch ( error ) { + + if ( onError ) onError( error ); + return; + + } + + json = JSON.parse( extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content ); + + } else { + + json = JSON.parse( textDecoder.decode( data ) ); + + } + + } else { + + json = data; + + } + + if ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) { + + if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.' ) ); + return; + + } + + const parser = new GLTFParser( json, { + + path: path || this.resourcePath || '', + crossOrigin: this.crossOrigin, + requestHeader: this.requestHeader, + manager: this.manager, + ktx2Loader: this.ktx2Loader, + meshoptDecoder: this.meshoptDecoder + + } ); + + parser.fileLoader.setRequestHeader( this.requestHeader ); + + for ( let i = 0; i < this.pluginCallbacks.length; i ++ ) { + + const plugin = this.pluginCallbacks[ i ]( parser ); + + if ( ! plugin.name ) console.error( 'THREE.GLTFLoader: Invalid plugin found: missing name' ); + + plugins[ plugin.name ] = plugin; + + // Workaround to avoid determining as unknown extension + // in addUnknownExtensionsToUserData(). + // Remove this workaround if we move all the existing + // extension handlers to plugin system + extensions[ plugin.name ] = true; + + } + + if ( json.extensionsUsed ) { + + for ( let i = 0; i < json.extensionsUsed.length; ++ i ) { + + const extensionName = json.extensionsUsed[ i ]; + const extensionsRequired = json.extensionsRequired || []; + + switch ( extensionName ) { + + case EXTENSIONS.KHR_MATERIALS_UNLIT: + extensions[ extensionName ] = new GLTFMaterialsUnlitExtension(); + break; + + case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION: + extensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader ); + break; + + case EXTENSIONS.KHR_TEXTURE_TRANSFORM: + extensions[ extensionName ] = new GLTFTextureTransformExtension(); + break; + + case EXTENSIONS.KHR_MESH_QUANTIZATION: + extensions[ extensionName ] = new GLTFMeshQuantizationExtension(); + break; + + default: + + if ( extensionsRequired.indexOf( extensionName ) >= 0 && plugins[ extensionName ] === undefined ) { + + console.warn( 'THREE.GLTFLoader: Unknown extension "' + extensionName + '".' ); + + } + + } + + } + + } + + parser.setExtensions( extensions ); + parser.setPlugins( plugins ); + parser.parse( onLoad, onError ); + + } + + /** + * Async version of {@link GLTFLoader#parse}. + * + * @async + * @param {string|ArrayBuffer} data - The raw glTF data. + * @param {string} path - The URL base path. + * @return {Promise} A Promise that resolves with the loaded glTF when the parsing has been finished. + */ + parseAsync( data, path ) { + + const scope = this; + + return new Promise( function ( resolve, reject ) { + + scope.parse( data, path, resolve, reject ); + + } ); + + } + +} + +/* GLTFREGISTRY */ + +function GLTFRegistry() { + + let objects = {}; + + return { + + get: function ( key ) { + + return objects[ key ]; + + }, + + add: function ( key, object ) { + + objects[ key ] = object; + + }, + + remove: function ( key ) { + + delete objects[ key ]; + + }, + + removeAll: function () { + + objects = {}; + + } + + }; + +} + +/*********************************/ +/********** EXTENSIONS ***********/ +/*********************************/ + +const EXTENSIONS = { + KHR_BINARY_GLTF: 'KHR_binary_glTF', + KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression', + KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual', + KHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat', + KHR_MATERIALS_DISPERSION: 'KHR_materials_dispersion', + KHR_MATERIALS_IOR: 'KHR_materials_ior', + KHR_MATERIALS_SHEEN: 'KHR_materials_sheen', + KHR_MATERIALS_SPECULAR: 'KHR_materials_specular', + KHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission', + KHR_MATERIALS_IRIDESCENCE: 'KHR_materials_iridescence', + KHR_MATERIALS_ANISOTROPY: 'KHR_materials_anisotropy', + KHR_MATERIALS_UNLIT: 'KHR_materials_unlit', + KHR_MATERIALS_VOLUME: 'KHR_materials_volume', + KHR_TEXTURE_BASISU: 'KHR_texture_basisu', + KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform', + KHR_MESH_QUANTIZATION: 'KHR_mesh_quantization', + KHR_MATERIALS_EMISSIVE_STRENGTH: 'KHR_materials_emissive_strength', + EXT_MATERIALS_BUMP: 'EXT_materials_bump', + EXT_TEXTURE_WEBP: 'EXT_texture_webp', + EXT_TEXTURE_AVIF: 'EXT_texture_avif', + EXT_MESHOPT_COMPRESSION: 'EXT_meshopt_compression', + EXT_MESH_GPU_INSTANCING: 'EXT_mesh_gpu_instancing' +}; + +/** + * Punctual Lights Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual + * + * @private + */ +class GLTFLightsExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL; + + // Object3D instance caches + this.cache = { refs: {}, uses: {} }; + + } + + _markDefs() { + + const parser = this.parser; + const nodeDefs = this.parser.json.nodes || []; + + for ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) { + + const nodeDef = nodeDefs[ nodeIndex ]; + + if ( nodeDef.extensions + && nodeDef.extensions[ this.name ] + && nodeDef.extensions[ this.name ].light !== undefined ) { + + parser._addNodeRef( this.cache, nodeDef.extensions[ this.name ].light ); + + } + + } + + } + + _loadLight( lightIndex ) { + + const parser = this.parser; + const cacheKey = 'light:' + lightIndex; + let dependency = parser.cache.get( cacheKey ); + + if ( dependency ) return dependency; + + const json = parser.json; + const extensions = ( json.extensions && json.extensions[ this.name ] ) || {}; + const lightDefs = extensions.lights || []; + const lightDef = lightDefs[ lightIndex ]; + let lightNode; + + const color = new Color( 0xffffff ); + + if ( lightDef.color !== undefined ) color.setRGB( lightDef.color[ 0 ], lightDef.color[ 1 ], lightDef.color[ 2 ], LinearSRGBColorSpace ); + + const range = lightDef.range !== undefined ? lightDef.range : 0; + + switch ( lightDef.type ) { + + case 'directional': + lightNode = new DirectionalLight( color ); + lightNode.target.position.set( 0, 0, - 1 ); + lightNode.add( lightNode.target ); + break; + + case 'point': + lightNode = new PointLight( color ); + lightNode.distance = range; + break; + + case 'spot': + lightNode = new SpotLight( color ); + lightNode.distance = range; + // Handle spotlight properties. + lightDef.spot = lightDef.spot || {}; + lightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0; + lightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0; + lightNode.angle = lightDef.spot.outerConeAngle; + lightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle; + lightNode.target.position.set( 0, 0, - 1 ); + lightNode.add( lightNode.target ); + break; + + default: + throw new Error( 'THREE.GLTFLoader: Unexpected light type: ' + lightDef.type ); + + } + + // Some lights (e.g. spot) default to a position other than the origin. Reset the position + // here, because node-level parsing will only override position if explicitly specified. + lightNode.position.set( 0, 0, 0 ); + + assignExtrasToUserData( lightNode, lightDef ); + + if ( lightDef.intensity !== undefined ) lightNode.intensity = lightDef.intensity; + + lightNode.name = parser.createUniqueName( lightDef.name || ( 'light_' + lightIndex ) ); + + dependency = Promise.resolve( lightNode ); + + parser.cache.add( cacheKey, dependency ); + + return dependency; + + } + + getDependency( type, index ) { + + if ( type !== 'light' ) return; + + return this._loadLight( index ); + + } + + createNodeAttachment( nodeIndex ) { + + const self = this; + const parser = this.parser; + const json = parser.json; + const nodeDef = json.nodes[ nodeIndex ]; + const lightDef = ( nodeDef.extensions && nodeDef.extensions[ this.name ] ) || {}; + const lightIndex = lightDef.light; + + if ( lightIndex === undefined ) return null; + + return this._loadLight( lightIndex ).then( function ( light ) { + + return parser._getNodeRef( self.cache, lightIndex, light ); + + } ); + + } + +} + +/** + * Unlit Materials Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit + * + * @private + */ +class GLTFMaterialsUnlitExtension { + + constructor() { + + this.name = EXTENSIONS.KHR_MATERIALS_UNLIT; + + } + + getMaterialType() { + + return MeshBasicMaterial; + + } + + extendParams( materialParams, materialDef, parser ) { + + const pending = []; + + materialParams.color = new Color( 1.0, 1.0, 1.0 ); + materialParams.opacity = 1.0; + + const metallicRoughness = materialDef.pbrMetallicRoughness; + + if ( metallicRoughness ) { + + if ( Array.isArray( metallicRoughness.baseColorFactor ) ) { + + const array = metallicRoughness.baseColorFactor; + + materialParams.color.setRGB( array[ 0 ], array[ 1 ], array[ 2 ], LinearSRGBColorSpace ); + materialParams.opacity = array[ 3 ]; + + } + + if ( metallicRoughness.baseColorTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, SRGBColorSpace ) ); + + } + + } + + return Promise.all( pending ); + + } + +} + +/** + * Materials Emissive Strength Extension + * + * Specification: https://github.com/KhronosGroup/glTF/blob/5768b3ce0ef32bc39cdf1bef10b948586635ead3/extensions/2.0/Khronos/KHR_materials_emissive_strength/README.md + * + * @private + */ +class GLTFMaterialsEmissiveStrengthExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_EMISSIVE_STRENGTH; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const emissiveStrength = materialDef.extensions[ this.name ].emissiveStrength; + + if ( emissiveStrength !== undefined ) { + + materialParams.emissiveIntensity = emissiveStrength; + + } + + return Promise.resolve(); + + } + +} + +/** + * Clearcoat Materials Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat + * + * @private + */ +class GLTFMaterialsClearcoatExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const pending = []; + + const extension = materialDef.extensions[ this.name ]; + + if ( extension.clearcoatFactor !== undefined ) { + + materialParams.clearcoat = extension.clearcoatFactor; + + } + + if ( extension.clearcoatTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'clearcoatMap', extension.clearcoatTexture ) ); + + } + + if ( extension.clearcoatRoughnessFactor !== undefined ) { + + materialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor; + + } + + if ( extension.clearcoatRoughnessTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture ) ); + + } + + if ( extension.clearcoatNormalTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture ) ); + + if ( extension.clearcoatNormalTexture.scale !== undefined ) { + + const scale = extension.clearcoatNormalTexture.scale; + + materialParams.clearcoatNormalScale = new Vector2( scale, scale ); + + } + + } + + return Promise.all( pending ); + + } + +} + +/** + * Materials dispersion Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_dispersion + * + * @private + */ +class GLTFMaterialsDispersionExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_DISPERSION; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const extension = materialDef.extensions[ this.name ]; + + materialParams.dispersion = extension.dispersion !== undefined ? extension.dispersion : 0; + + return Promise.resolve(); + + } + +} + +/** + * Iridescence Materials Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_iridescence + * + * @private + */ +class GLTFMaterialsIridescenceExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_IRIDESCENCE; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const pending = []; + + const extension = materialDef.extensions[ this.name ]; + + if ( extension.iridescenceFactor !== undefined ) { + + materialParams.iridescence = extension.iridescenceFactor; + + } + + if ( extension.iridescenceTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'iridescenceMap', extension.iridescenceTexture ) ); + + } + + if ( extension.iridescenceIor !== undefined ) { + + materialParams.iridescenceIOR = extension.iridescenceIor; + + } + + if ( materialParams.iridescenceThicknessRange === undefined ) { + + materialParams.iridescenceThicknessRange = [ 100, 400 ]; + + } + + if ( extension.iridescenceThicknessMinimum !== undefined ) { + + materialParams.iridescenceThicknessRange[ 0 ] = extension.iridescenceThicknessMinimum; + + } + + if ( extension.iridescenceThicknessMaximum !== undefined ) { + + materialParams.iridescenceThicknessRange[ 1 ] = extension.iridescenceThicknessMaximum; + + } + + if ( extension.iridescenceThicknessTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'iridescenceThicknessMap', extension.iridescenceThicknessTexture ) ); + + } + + return Promise.all( pending ); + + } + +} + +/** + * Sheen Materials Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_sheen + * + * @private + */ +class GLTFMaterialsSheenExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_SHEEN; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const pending = []; + + materialParams.sheenColor = new Color( 0, 0, 0 ); + materialParams.sheenRoughness = 0; + materialParams.sheen = 1; + + const extension = materialDef.extensions[ this.name ]; + + if ( extension.sheenColorFactor !== undefined ) { + + const colorFactor = extension.sheenColorFactor; + materialParams.sheenColor.setRGB( colorFactor[ 0 ], colorFactor[ 1 ], colorFactor[ 2 ], LinearSRGBColorSpace ); + + } + + if ( extension.sheenRoughnessFactor !== undefined ) { + + materialParams.sheenRoughness = extension.sheenRoughnessFactor; + + } + + if ( extension.sheenColorTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'sheenColorMap', extension.sheenColorTexture, SRGBColorSpace ) ); + + } + + if ( extension.sheenRoughnessTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'sheenRoughnessMap', extension.sheenRoughnessTexture ) ); + + } + + return Promise.all( pending ); + + } + +} + +/** + * Transmission Materials Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission + * Draft: https://github.com/KhronosGroup/glTF/pull/1698 + * + * @private + */ +class GLTFMaterialsTransmissionExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const pending = []; + + const extension = materialDef.extensions[ this.name ]; + + if ( extension.transmissionFactor !== undefined ) { + + materialParams.transmission = extension.transmissionFactor; + + } + + if ( extension.transmissionTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'transmissionMap', extension.transmissionTexture ) ); + + } + + return Promise.all( pending ); + + } + +} + +/** + * Materials Volume Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_volume + * + * @private + */ +class GLTFMaterialsVolumeExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_VOLUME; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const pending = []; + + const extension = materialDef.extensions[ this.name ]; + + materialParams.thickness = extension.thicknessFactor !== undefined ? extension.thicknessFactor : 0; + + if ( extension.thicknessTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'thicknessMap', extension.thicknessTexture ) ); + + } + + materialParams.attenuationDistance = extension.attenuationDistance || Infinity; + + const colorArray = extension.attenuationColor || [ 1, 1, 1 ]; + materialParams.attenuationColor = new Color().setRGB( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ], LinearSRGBColorSpace ); + + return Promise.all( pending ); + + } + +} + +/** + * Materials ior Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_ior + * + * @private + */ +class GLTFMaterialsIorExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_IOR; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const extension = materialDef.extensions[ this.name ]; + + materialParams.ior = extension.ior !== undefined ? extension.ior : 1.5; + + return Promise.resolve(); + + } + +} + +/** + * Materials specular Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_specular + * + * @private + */ +class GLTFMaterialsSpecularExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_SPECULAR; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const pending = []; + + const extension = materialDef.extensions[ this.name ]; + + materialParams.specularIntensity = extension.specularFactor !== undefined ? extension.specularFactor : 1.0; + + if ( extension.specularTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'specularIntensityMap', extension.specularTexture ) ); + + } + + const colorArray = extension.specularColorFactor || [ 1, 1, 1 ]; + materialParams.specularColor = new Color().setRGB( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ], LinearSRGBColorSpace ); + + if ( extension.specularColorTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'specularColorMap', extension.specularColorTexture, SRGBColorSpace ) ); + + } + + return Promise.all( pending ); + + } + +} + + +/** + * Materials bump Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/EXT_materials_bump + * + * @private + */ +class GLTFMaterialsBumpExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.EXT_MATERIALS_BUMP; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const pending = []; + + const extension = materialDef.extensions[ this.name ]; + + materialParams.bumpScale = extension.bumpFactor !== undefined ? extension.bumpFactor : 1.0; + + if ( extension.bumpTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'bumpMap', extension.bumpTexture ) ); + + } + + return Promise.all( pending ); + + } + +} + +/** + * Materials anisotropy Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_anisotropy + * + * @private + */ +class GLTFMaterialsAnisotropyExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_ANISOTROPY; + + } + + getMaterialType( materialIndex ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null; + + return MeshPhysicalMaterial; + + } + + extendMaterialParams( materialIndex, materialParams ) { + + const parser = this.parser; + const materialDef = parser.json.materials[ materialIndex ]; + + if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + + return Promise.resolve(); + + } + + const pending = []; + + const extension = materialDef.extensions[ this.name ]; + + if ( extension.anisotropyStrength !== undefined ) { + + materialParams.anisotropy = extension.anisotropyStrength; + + } + + if ( extension.anisotropyRotation !== undefined ) { + + materialParams.anisotropyRotation = extension.anisotropyRotation; + + } + + if ( extension.anisotropyTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'anisotropyMap', extension.anisotropyTexture ) ); + + } + + return Promise.all( pending ); + + } + +} + +/** + * BasisU Texture Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu + * + * @private + */ +class GLTFTextureBasisUExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.KHR_TEXTURE_BASISU; + + } + + loadTexture( textureIndex ) { + + const parser = this.parser; + const json = parser.json; + + const textureDef = json.textures[ textureIndex ]; + + if ( ! textureDef.extensions || ! textureDef.extensions[ this.name ] ) { + + return null; + + } + + const extension = textureDef.extensions[ this.name ]; + const loader = parser.options.ktx2Loader; + + if ( ! loader ) { + + if ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) { + + throw new Error( 'THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures' ); + + } else { + + // Assumes that the extension is optional and that a fallback texture is present + return null; + + } + + } + + return parser.loadTextureImage( textureIndex, extension.source, loader ); + + } + +} + +/** + * WebP Texture Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_webp + * + * @private + */ +class GLTFTextureWebPExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.EXT_TEXTURE_WEBP; + + } + + loadTexture( textureIndex ) { + + const name = this.name; + const parser = this.parser; + const json = parser.json; + + const textureDef = json.textures[ textureIndex ]; + + if ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) { + + return null; + + } + + const extension = textureDef.extensions[ name ]; + const source = json.images[ extension.source ]; + + let loader = parser.textureLoader; + if ( source.uri ) { + + const handler = parser.options.manager.getHandler( source.uri ); + if ( handler !== null ) loader = handler; + + } + + return parser.loadTextureImage( textureIndex, extension.source, loader ); + + } + +} + +/** + * AVIF Texture Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_avif + * + * @private + */ +class GLTFTextureAVIFExtension { + + constructor( parser ) { + + this.parser = parser; + this.name = EXTENSIONS.EXT_TEXTURE_AVIF; + + } + + loadTexture( textureIndex ) { + + const name = this.name; + const parser = this.parser; + const json = parser.json; + + const textureDef = json.textures[ textureIndex ]; + + if ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) { + + return null; + + } + + const extension = textureDef.extensions[ name ]; + const source = json.images[ extension.source ]; + + let loader = parser.textureLoader; + if ( source.uri ) { + + const handler = parser.options.manager.getHandler( source.uri ); + if ( handler !== null ) loader = handler; + + } + + return parser.loadTextureImage( textureIndex, extension.source, loader ); + + } + +} + +/** + * meshopt BufferView Compression Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_meshopt_compression + * + * @private + */ +class GLTFMeshoptCompression { + + constructor( parser ) { + + this.name = EXTENSIONS.EXT_MESHOPT_COMPRESSION; + this.parser = parser; + + } + + loadBufferView( index ) { + + const json = this.parser.json; + const bufferView = json.bufferViews[ index ]; + + if ( bufferView.extensions && bufferView.extensions[ this.name ] ) { + + const extensionDef = bufferView.extensions[ this.name ]; + + const buffer = this.parser.getDependency( 'buffer', extensionDef.buffer ); + const decoder = this.parser.options.meshoptDecoder; + + if ( ! decoder || ! decoder.supported ) { + + if ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) { + + throw new Error( 'THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files' ); + + } else { + + // Assumes that the extension is optional and that fallback buffer data is present + return null; + + } + + } + + return buffer.then( function ( res ) { + + const byteOffset = extensionDef.byteOffset || 0; + const byteLength = extensionDef.byteLength || 0; + + const count = extensionDef.count; + const stride = extensionDef.byteStride; + + const source = new Uint8Array( res, byteOffset, byteLength ); + + if ( decoder.decodeGltfBufferAsync ) { + + return decoder.decodeGltfBufferAsync( count, stride, source, extensionDef.mode, extensionDef.filter ).then( function ( res ) { + + return res.buffer; + + } ); + + } else { + + // Support for MeshoptDecoder 0.18 or earlier, without decodeGltfBufferAsync + return decoder.ready.then( function () { + + const result = new ArrayBuffer( count * stride ); + decoder.decodeGltfBuffer( new Uint8Array( result ), count, stride, source, extensionDef.mode, extensionDef.filter ); + return result; + + } ); + + } + + } ); + + } else { + + return null; + + } + + } + +} + +/** + * GPU Instancing Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_mesh_gpu_instancing + * + * @private + */ +class GLTFMeshGpuInstancing { + + constructor( parser ) { + + this.name = EXTENSIONS.EXT_MESH_GPU_INSTANCING; + this.parser = parser; + + } + + createNodeMesh( nodeIndex ) { + + const json = this.parser.json; + const nodeDef = json.nodes[ nodeIndex ]; + + if ( ! nodeDef.extensions || ! nodeDef.extensions[ this.name ] || + nodeDef.mesh === undefined ) { + + return null; + + } + + const meshDef = json.meshes[ nodeDef.mesh ]; + + // No Points or Lines + Instancing support yet + + for ( const primitive of meshDef.primitives ) { + + if ( primitive.mode !== WEBGL_CONSTANTS.TRIANGLES && + primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_STRIP && + primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_FAN && + primitive.mode !== undefined ) { + + return null; + + } + + } + + const extensionDef = nodeDef.extensions[ this.name ]; + const attributesDef = extensionDef.attributes; + + // @TODO: Can we support InstancedMesh + SkinnedMesh? + + const pending = []; + const attributes = {}; + + for ( const key in attributesDef ) { + + pending.push( this.parser.getDependency( 'accessor', attributesDef[ key ] ).then( accessor => { + + attributes[ key ] = accessor; + return attributes[ key ]; + + } ) ); + + } + + if ( pending.length < 1 ) { + + return null; + + } + + pending.push( this.parser.createNodeMesh( nodeIndex ) ); + + return Promise.all( pending ).then( results => { + + const nodeObject = results.pop(); + const meshes = nodeObject.isGroup ? nodeObject.children : [ nodeObject ]; + const count = results[ 0 ].count; // All attribute counts should be same + const instancedMeshes = []; + + for ( const mesh of meshes ) { + + // Temporal variables + const m = new Matrix4(); + const p = new Vector3(); + const q = new Quaternion(); + const s = new Vector3( 1, 1, 1 ); + + const instancedMesh = new InstancedMesh( mesh.geometry, mesh.material, count ); + + for ( let i = 0; i < count; i ++ ) { + + if ( attributes.TRANSLATION ) { + + p.fromBufferAttribute( attributes.TRANSLATION, i ); + + } + + if ( attributes.ROTATION ) { + + q.fromBufferAttribute( attributes.ROTATION, i ); + + } + + if ( attributes.SCALE ) { + + s.fromBufferAttribute( attributes.SCALE, i ); + + } + + instancedMesh.setMatrixAt( i, m.compose( p, q, s ) ); + + } + + // Add instance attributes to the geometry, excluding TRS. + for ( const attributeName in attributes ) { + + if ( attributeName === '_COLOR_0' ) { + + const attr = attributes[ attributeName ]; + instancedMesh.instanceColor = new InstancedBufferAttribute( attr.array, attr.itemSize, attr.normalized ); + + } else if ( attributeName !== 'TRANSLATION' && + attributeName !== 'ROTATION' && + attributeName !== 'SCALE' ) { + + mesh.geometry.setAttribute( attributeName, attributes[ attributeName ] ); + + } + + } + + // Just in case + Object3D.prototype.copy.call( instancedMesh, mesh ); + + this.parser.assignFinalMaterial( instancedMesh ); + + instancedMeshes.push( instancedMesh ); + + } + + if ( nodeObject.isGroup ) { + + nodeObject.clear(); + + nodeObject.add( ... instancedMeshes ); + + return nodeObject; + + } + + return instancedMeshes[ 0 ]; + + } ); + + } + +} + +/* BINARY EXTENSION */ +const BINARY_EXTENSION_HEADER_MAGIC = 'glTF'; +const BINARY_EXTENSION_HEADER_LENGTH = 12; +const BINARY_EXTENSION_CHUNK_TYPES = { JSON: 0x4E4F534A, BIN: 0x004E4942 }; + +class GLTFBinaryExtension { + + constructor( data ) { + + this.name = EXTENSIONS.KHR_BINARY_GLTF; + this.content = null; + this.body = null; + + const headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH ); + const textDecoder = new TextDecoder(); + + this.header = { + magic: textDecoder.decode( new Uint8Array( data.slice( 0, 4 ) ) ), + version: headerView.getUint32( 4, true ), + length: headerView.getUint32( 8, true ) + }; + + if ( this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC ) { + + throw new Error( 'THREE.GLTFLoader: Unsupported glTF-Binary header.' ); + + } else if ( this.header.version < 2.0 ) { + + throw new Error( 'THREE.GLTFLoader: Legacy binary file detected.' ); + + } + + const chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH; + const chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH ); + let chunkIndex = 0; + + while ( chunkIndex < chunkContentsLength ) { + + const chunkLength = chunkView.getUint32( chunkIndex, true ); + chunkIndex += 4; + + const chunkType = chunkView.getUint32( chunkIndex, true ); + chunkIndex += 4; + + if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) { + + const contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength ); + this.content = textDecoder.decode( contentArray ); + + } else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) { + + const byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex; + this.body = data.slice( byteOffset, byteOffset + chunkLength ); + + } + + // Clients must ignore chunks with unknown types. + + chunkIndex += chunkLength; + + } + + if ( this.content === null ) { + + throw new Error( 'THREE.GLTFLoader: JSON content not found.' ); + + } + + } + +} + +/** + * DRACO Mesh Compression Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression + * + * @private + */ +class GLTFDracoMeshCompressionExtension { + + constructor( json, dracoLoader ) { + + if ( ! dracoLoader ) { + + throw new Error( 'THREE.GLTFLoader: No DRACOLoader instance provided.' ); + + } + + this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION; + this.json = json; + this.dracoLoader = dracoLoader; + this.dracoLoader.preload(); + + } + + decodePrimitive( primitive, parser ) { + + const json = this.json; + const dracoLoader = this.dracoLoader; + const bufferViewIndex = primitive.extensions[ this.name ].bufferView; + const gltfAttributeMap = primitive.extensions[ this.name ].attributes; + const threeAttributeMap = {}; + const attributeNormalizedMap = {}; + const attributeTypeMap = {}; + + for ( const attributeName in gltfAttributeMap ) { + + const threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase(); + + threeAttributeMap[ threeAttributeName ] = gltfAttributeMap[ attributeName ]; + + } + + for ( const attributeName in primitive.attributes ) { + + const threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase(); + + if ( gltfAttributeMap[ attributeName ] !== undefined ) { + + const accessorDef = json.accessors[ primitive.attributes[ attributeName ] ]; + const componentType = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ]; + + attributeTypeMap[ threeAttributeName ] = componentType.name; + attributeNormalizedMap[ threeAttributeName ] = accessorDef.normalized === true; + + } + + } + + return parser.getDependency( 'bufferView', bufferViewIndex ).then( function ( bufferView ) { + + return new Promise( function ( resolve, reject ) { + + dracoLoader.decodeDracoFile( bufferView, function ( geometry ) { + + for ( const attributeName in geometry.attributes ) { + + const attribute = geometry.attributes[ attributeName ]; + const normalized = attributeNormalizedMap[ attributeName ]; + + if ( normalized !== undefined ) attribute.normalized = normalized; + + } + + resolve( geometry ); + + }, threeAttributeMap, attributeTypeMap, LinearSRGBColorSpace, reject ); + + } ); + + } ); + + } + +} + +/** + * Texture Transform Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform + * + * @private + */ +class GLTFTextureTransformExtension { + + constructor() { + + this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM; + + } + + extendTexture( texture, transform ) { + + if ( ( transform.texCoord === undefined || transform.texCoord === texture.channel ) + && transform.offset === undefined + && transform.rotation === undefined + && transform.scale === undefined ) { + + // See https://github.com/mrdoob/three.js/issues/21819. + return texture; + + } + + texture = texture.clone(); + + if ( transform.texCoord !== undefined ) { + + texture.channel = transform.texCoord; + + } + + if ( transform.offset !== undefined ) { + + texture.offset.fromArray( transform.offset ); + + } + + if ( transform.rotation !== undefined ) { + + texture.rotation = transform.rotation; + + } + + if ( transform.scale !== undefined ) { + + texture.repeat.fromArray( transform.scale ); + + } + + texture.needsUpdate = true; + + return texture; + + } + +} + +/** + * Mesh Quantization Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization + * + * @private + */ +class GLTFMeshQuantizationExtension { + + constructor() { + + this.name = EXTENSIONS.KHR_MESH_QUANTIZATION; + + } + +} + +/*********************************/ +/********** INTERPOLATION ********/ +/*********************************/ + +// Spline Interpolation +// Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation +class GLTFCubicSplineInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + copySampleValue_( index ) { + + // Copies a sample value to the result buffer. See description of glTF + // CUBICSPLINE values layout in interpolate_() function below. + + const result = this.resultBuffer, + values = this.sampleValues, + valueSize = this.valueSize, + offset = index * valueSize * 3 + valueSize; + + for ( let i = 0; i !== valueSize; i ++ ) { + + result[ i ] = values[ offset + i ]; + + } + + return result; + + } + + interpolate_( i1, t0, t, t1 ) { + + const result = this.resultBuffer; + const values = this.sampleValues; + const stride = this.valueSize; + + const stride2 = stride * 2; + const stride3 = stride * 3; + + const td = t1 - t0; + + const p = ( t - t0 ) / td; + const pp = p * p; + const ppp = pp * p; + + const offset1 = i1 * stride3; + const offset0 = offset1 - stride3; + + const s2 = - 2 * ppp + 3 * pp; + const s3 = ppp - pp; + const s0 = 1 - s2; + const s1 = s3 - pp + p; + + // Layout of keyframe output values for CUBICSPLINE animations: + // [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ] + for ( let i = 0; i !== stride; i ++ ) { + + const p0 = values[ offset0 + i + stride ]; // splineVertex_k + const m0 = values[ offset0 + i + stride2 ] * td; // outTangent_k * (t_k+1 - t_k) + const p1 = values[ offset1 + i + stride ]; // splineVertex_k+1 + const m1 = values[ offset1 + i ] * td; // inTangent_k+1 * (t_k+1 - t_k) + + result[ i ] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1; + + } + + return result; + + } + +} + +const _quaternion = new Quaternion(); + +class GLTFCubicSplineQuaternionInterpolant extends GLTFCubicSplineInterpolant { + + interpolate_( i1, t0, t, t1 ) { + + const result = super.interpolate_( i1, t0, t, t1 ); + + _quaternion.fromArray( result ).normalize().toArray( result ); + + return result; + + } + +} + + +/*********************************/ +/********** INTERNALS ************/ +/*********************************/ + +/* CONSTANTS */ + +const WEBGL_CONSTANTS = { + FLOAT: 5126, + //FLOAT_MAT2: 35674, + FLOAT_MAT3: 35675, + FLOAT_MAT4: 35676, + FLOAT_VEC2: 35664, + FLOAT_VEC3: 35665, + FLOAT_VEC4: 35666, + LINEAR: 9729, + REPEAT: 10497, + SAMPLER_2D: 35678, + POINTS: 0, + LINES: 1, + LINE_LOOP: 2, + LINE_STRIP: 3, + TRIANGLES: 4, + TRIANGLE_STRIP: 5, + TRIANGLE_FAN: 6, + UNSIGNED_BYTE: 5121, + UNSIGNED_SHORT: 5123 +}; + +const WEBGL_COMPONENT_TYPES = { + 5120: Int8Array, + 5121: Uint8Array, + 5122: Int16Array, + 5123: Uint16Array, + 5125: Uint32Array, + 5126: Float32Array +}; + +const WEBGL_FILTERS = { + 9728: NearestFilter, + 9729: LinearFilter, + 9984: NearestMipmapNearestFilter, + 9985: LinearMipmapNearestFilter, + 9986: NearestMipmapLinearFilter, + 9987: LinearMipmapLinearFilter +}; + +const WEBGL_WRAPPINGS = { + 33071: ClampToEdgeWrapping, + 33648: MirroredRepeatWrapping, + 10497: RepeatWrapping +}; + +const WEBGL_TYPE_SIZES = { + 'SCALAR': 1, + 'VEC2': 2, + 'VEC3': 3, + 'VEC4': 4, + 'MAT2': 4, + 'MAT3': 9, + 'MAT4': 16 +}; + +const ATTRIBUTES = { + POSITION: 'position', + NORMAL: 'normal', + TANGENT: 'tangent', + TEXCOORD_0: 'uv', + TEXCOORD_1: 'uv1', + TEXCOORD_2: 'uv2', + TEXCOORD_3: 'uv3', + COLOR_0: 'color', + WEIGHTS_0: 'skinWeight', + JOINTS_0: 'skinIndex', +}; + +const PATH_PROPERTIES = { + scale: 'scale', + translation: 'position', + rotation: 'quaternion', + weights: 'morphTargetInfluences' +}; + +const INTERPOLATION = { + CUBICSPLINE: undefined, // We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each + // keyframe track will be initialized with a default interpolation type, then modified. + LINEAR: InterpolateLinear, + STEP: InterpolateDiscrete +}; + +const ALPHA_MODES = { + OPAQUE: 'OPAQUE', + MASK: 'MASK', + BLEND: 'BLEND' +}; + +/** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material + * + * @private + * @param {Object} cache + * @return {Material} + */ +function createDefaultMaterial( cache ) { + + if ( cache[ 'DefaultMaterial' ] === undefined ) { + + cache[ 'DefaultMaterial' ] = new MeshStandardMaterial( { + color: 0xFFFFFF, + emissive: 0x000000, + metalness: 1, + roughness: 1, + transparent: false, + depthTest: true, + side: FrontSide + } ); + + } + + return cache[ 'DefaultMaterial' ]; + +} + +function addUnknownExtensionsToUserData( knownExtensions, object, objectDef ) { + + // Add unknown glTF extensions to an object's userData. + + for ( const name in objectDef.extensions ) { + + if ( knownExtensions[ name ] === undefined ) { + + object.userData.gltfExtensions = object.userData.gltfExtensions || {}; + object.userData.gltfExtensions[ name ] = objectDef.extensions[ name ]; + + } + + } + +} + +/** + * + * @private + * @param {Object3D|Material|BufferGeometry|Object|AnimationClip} object + * @param {GLTF.definition} gltfDef + */ +function assignExtrasToUserData( object, gltfDef ) { + + if ( gltfDef.extras !== undefined ) { + + if ( typeof gltfDef.extras === 'object' ) { + + Object.assign( object.userData, gltfDef.extras ); + + } else { + + console.warn( 'THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras ); + + } + + } + +} + +/** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets + * + * @private + * @param {BufferGeometry} geometry + * @param {Array} targets + * @param {GLTFParser} parser + * @return {Promise} + */ +function addMorphTargets( geometry, targets, parser ) { + + let hasMorphPosition = false; + let hasMorphNormal = false; + let hasMorphColor = false; + + for ( let i = 0, il = targets.length; i < il; i ++ ) { + + const target = targets[ i ]; + + if ( target.POSITION !== undefined ) hasMorphPosition = true; + if ( target.NORMAL !== undefined ) hasMorphNormal = true; + if ( target.COLOR_0 !== undefined ) hasMorphColor = true; + + if ( hasMorphPosition && hasMorphNormal && hasMorphColor ) break; + + } + + if ( ! hasMorphPosition && ! hasMorphNormal && ! hasMorphColor ) return Promise.resolve( geometry ); + + const pendingPositionAccessors = []; + const pendingNormalAccessors = []; + const pendingColorAccessors = []; + + for ( let i = 0, il = targets.length; i < il; i ++ ) { + + const target = targets[ i ]; + + if ( hasMorphPosition ) { + + const pendingAccessor = target.POSITION !== undefined + ? parser.getDependency( 'accessor', target.POSITION ) + : geometry.attributes.position; + + pendingPositionAccessors.push( pendingAccessor ); + + } + + if ( hasMorphNormal ) { + + const pendingAccessor = target.NORMAL !== undefined + ? parser.getDependency( 'accessor', target.NORMAL ) + : geometry.attributes.normal; + + pendingNormalAccessors.push( pendingAccessor ); + + } + + if ( hasMorphColor ) { + + const pendingAccessor = target.COLOR_0 !== undefined + ? parser.getDependency( 'accessor', target.COLOR_0 ) + : geometry.attributes.color; + + pendingColorAccessors.push( pendingAccessor ); + + } + + } + + return Promise.all( [ + Promise.all( pendingPositionAccessors ), + Promise.all( pendingNormalAccessors ), + Promise.all( pendingColorAccessors ) + ] ).then( function ( accessors ) { + + const morphPositions = accessors[ 0 ]; + const morphNormals = accessors[ 1 ]; + const morphColors = accessors[ 2 ]; + + if ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions; + if ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals; + if ( hasMorphColor ) geometry.morphAttributes.color = morphColors; + geometry.morphTargetsRelative = true; + + return geometry; + + } ); + +} + +/** + * + * @private + * @param {Mesh} mesh + * @param {GLTF.Mesh} meshDef + */ +function updateMorphTargets( mesh, meshDef ) { + + mesh.updateMorphTargets(); + + if ( meshDef.weights !== undefined ) { + + for ( let i = 0, il = meshDef.weights.length; i < il; i ++ ) { + + mesh.morphTargetInfluences[ i ] = meshDef.weights[ i ]; + + } + + } + + // .extras has user-defined data, so check that .extras.targetNames is an array. + if ( meshDef.extras && Array.isArray( meshDef.extras.targetNames ) ) { + + const targetNames = meshDef.extras.targetNames; + + if ( mesh.morphTargetInfluences.length === targetNames.length ) { + + mesh.morphTargetDictionary = {}; + + for ( let i = 0, il = targetNames.length; i < il; i ++ ) { + + mesh.morphTargetDictionary[ targetNames[ i ] ] = i; + + } + + } else { + + console.warn( 'THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.' ); + + } + + } + +} + +function createPrimitiveKey( primitiveDef ) { + + let geometryKey; + + const dracoExtension = primitiveDef.extensions && primitiveDef.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ]; + + if ( dracoExtension ) { + + geometryKey = 'draco:' + dracoExtension.bufferView + + ':' + dracoExtension.indices + + ':' + createAttributesKey( dracoExtension.attributes ); + + } else { + + geometryKey = primitiveDef.indices + ':' + createAttributesKey( primitiveDef.attributes ) + ':' + primitiveDef.mode; + + } + + if ( primitiveDef.targets !== undefined ) { + + for ( let i = 0, il = primitiveDef.targets.length; i < il; i ++ ) { + + geometryKey += ':' + createAttributesKey( primitiveDef.targets[ i ] ); + + } + + } + + return geometryKey; + +} + +function createAttributesKey( attributes ) { + + let attributesKey = ''; + + const keys = Object.keys( attributes ).sort(); + + for ( let i = 0, il = keys.length; i < il; i ++ ) { + + attributesKey += keys[ i ] + ':' + attributes[ keys[ i ] ] + ';'; + + } + + return attributesKey; + +} + +function getNormalizedComponentScale( constructor ) { + + // Reference: + // https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization#encoding-quantized-data + + switch ( constructor ) { + + case Int8Array: + return 1 / 127; + + case Uint8Array: + return 1 / 255; + + case Int16Array: + return 1 / 32767; + + case Uint16Array: + return 1 / 65535; + + default: + throw new Error( 'THREE.GLTFLoader: Unsupported normalized accessor component type.' ); + + } + +} + +function getImageURIMimeType( uri ) { + + if ( uri.search( /\.jpe?g($|\?)/i ) > 0 || uri.search( /^data\:image\/jpeg/ ) === 0 ) return 'image/jpeg'; + if ( uri.search( /\.webp($|\?)/i ) > 0 || uri.search( /^data\:image\/webp/ ) === 0 ) return 'image/webp'; + if ( uri.search( /\.ktx2($|\?)/i ) > 0 || uri.search( /^data\:image\/ktx2/ ) === 0 ) return 'image/ktx2'; + + return 'image/png'; + +} + +const _identityMatrix = new Matrix4(); + +/* GLTF PARSER */ + +class GLTFParser { + + constructor( json = {}, options = {} ) { + + this.json = json; + this.extensions = {}; + this.plugins = {}; + this.options = options; + + // loader object cache + this.cache = new GLTFRegistry(); + + // associations between Three.js objects and glTF elements + this.associations = new Map(); + + // BufferGeometry caching + this.primitiveCache = {}; + + // Node cache + this.nodeCache = {}; + + // Object3D instance caches + this.meshCache = { refs: {}, uses: {} }; + this.cameraCache = { refs: {}, uses: {} }; + this.lightCache = { refs: {}, uses: {} }; + + this.sourceCache = {}; + this.textureCache = {}; + + // Track node names, to ensure no duplicates + this.nodeNamesUsed = {}; + + // Use an ImageBitmapLoader if imageBitmaps are supported. Moves much of the + // expensive work of uploading a texture to the GPU off the main thread. + + let isSafari = false; + let safariVersion = - 1; + let isFirefox = false; + let firefoxVersion = - 1; + + if ( typeof navigator !== 'undefined' ) { + + const userAgent = navigator.userAgent; + + isSafari = /^((?!chrome|android).)*safari/i.test( userAgent ) === true; + const safariMatch = userAgent.match( /Version\/(\d+)/ ); + safariVersion = isSafari && safariMatch ? parseInt( safariMatch[ 1 ], 10 ) : - 1; + + isFirefox = userAgent.indexOf( 'Firefox' ) > - 1; + firefoxVersion = isFirefox ? userAgent.match( /Firefox\/([0-9]+)\./ )[ 1 ] : - 1; + + } + + if ( typeof createImageBitmap === 'undefined' || ( isSafari && safariVersion < 17 ) || ( isFirefox && firefoxVersion < 98 ) ) { + + this.textureLoader = new TextureLoader( this.options.manager ); + + } else { + + this.textureLoader = new ImageBitmapLoader( this.options.manager ); + + } + + this.textureLoader.setCrossOrigin( this.options.crossOrigin ); + this.textureLoader.setRequestHeader( this.options.requestHeader ); + + this.fileLoader = new FileLoader( this.options.manager ); + this.fileLoader.setResponseType( 'arraybuffer' ); + + if ( this.options.crossOrigin === 'use-credentials' ) { + + this.fileLoader.setWithCredentials( true ); + + } + + } + + setExtensions( extensions ) { + + this.extensions = extensions; + + } + + setPlugins( plugins ) { + + this.plugins = plugins; + + } + + parse( onLoad, onError ) { + + const parser = this; + const json = this.json; + const extensions = this.extensions; + + // Clear the loader cache + this.cache.removeAll(); + this.nodeCache = {}; + + // Mark the special nodes/meshes in json for efficient parse + this._invokeAll( function ( ext ) { + + return ext._markDefs && ext._markDefs(); + + } ); + + Promise.all( this._invokeAll( function ( ext ) { + + return ext.beforeRoot && ext.beforeRoot(); + + } ) ).then( function () { + + return Promise.all( [ + + parser.getDependencies( 'scene' ), + parser.getDependencies( 'animation' ), + parser.getDependencies( 'camera' ), + + ] ); + + } ).then( function ( dependencies ) { + + const result = { + scene: dependencies[ 0 ][ json.scene || 0 ], + scenes: dependencies[ 0 ], + animations: dependencies[ 1 ], + cameras: dependencies[ 2 ], + asset: json.asset, + parser: parser, + userData: {} + }; + + addUnknownExtensionsToUserData( extensions, result, json ); + + assignExtrasToUserData( result, json ); + + return Promise.all( parser._invokeAll( function ( ext ) { + + return ext.afterRoot && ext.afterRoot( result ); + + } ) ).then( function () { + + for ( const scene of result.scenes ) { + + scene.updateMatrixWorld(); + + } + + onLoad( result ); + + } ); + + } ).catch( onError ); + + } + + /** + * Marks the special nodes/meshes in json for efficient parse. + * + * @private + */ + _markDefs() { + + const nodeDefs = this.json.nodes || []; + const skinDefs = this.json.skins || []; + const meshDefs = this.json.meshes || []; + + // Nothing in the node definition indicates whether it is a Bone or an + // Object3D. Use the skins' joint references to mark bones. + for ( let skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) { + + const joints = skinDefs[ skinIndex ].joints; + + for ( let i = 0, il = joints.length; i < il; i ++ ) { + + nodeDefs[ joints[ i ] ].isBone = true; + + } + + } + + // Iterate over all nodes, marking references to shared resources, + // as well as skeleton joints. + for ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) { + + const nodeDef = nodeDefs[ nodeIndex ]; + + if ( nodeDef.mesh !== undefined ) { + + this._addNodeRef( this.meshCache, nodeDef.mesh ); + + // Nothing in the mesh definition indicates whether it is + // a SkinnedMesh or Mesh. Use the node's mesh reference + // to mark SkinnedMesh if node has skin. + if ( nodeDef.skin !== undefined ) { + + meshDefs[ nodeDef.mesh ].isSkinnedMesh = true; + + } + + } + + if ( nodeDef.camera !== undefined ) { + + this._addNodeRef( this.cameraCache, nodeDef.camera ); + + } + + } + + } + + /** + * Counts references to shared node / Object3D resources. These resources + * can be reused, or "instantiated", at multiple nodes in the scene + * hierarchy. Mesh, Camera, and Light instances are instantiated and must + * be marked. Non-scenegraph resources (like Materials, Geometries, and + * Textures) can be reused directly and are not marked here. + * + * Example: CesiumMilkTruck sample model reuses "Wheel" meshes. + * + * @private + * @param {Object} cache + * @param {Object3D} index + */ + _addNodeRef( cache, index ) { + + if ( index === undefined ) return; + + if ( cache.refs[ index ] === undefined ) { + + cache.refs[ index ] = cache.uses[ index ] = 0; + + } + + cache.refs[ index ] ++; + + } + + /** + * Returns a reference to a shared resource, cloning it if necessary. + * + * @private + * @param {Object} cache + * @param {number} index + * @param {Object} object + * @return {Object} + */ + _getNodeRef( cache, index, object ) { + + if ( cache.refs[ index ] <= 1 ) return object; + + const ref = object.clone(); + + // Propagates mappings to the cloned object, prevents mappings on the + // original object from being lost. + const updateMappings = ( original, clone ) => { + + const mappings = this.associations.get( original ); + if ( mappings != null ) { + + this.associations.set( clone, mappings ); + + } + + for ( const [ i, child ] of original.children.entries() ) { + + updateMappings( child, clone.children[ i ] ); + + } + + }; + + updateMappings( object, ref ); + + ref.name += '_instance_' + ( cache.uses[ index ] ++ ); + + return ref; + + } + + _invokeOne( func ) { + + const extensions = Object.values( this.plugins ); + extensions.push( this ); + + for ( let i = 0; i < extensions.length; i ++ ) { + + const result = func( extensions[ i ] ); + + if ( result ) return result; + + } + + return null; + + } + + _invokeAll( func ) { + + const extensions = Object.values( this.plugins ); + extensions.unshift( this ); + + const pending = []; + + for ( let i = 0; i < extensions.length; i ++ ) { + + const result = func( extensions[ i ] ); + + if ( result ) pending.push( result ); + + } + + return pending; + + } + + /** + * Requests the specified dependency asynchronously, with caching. + * + * @private + * @param {string} type + * @param {number} index + * @return {Promise} + */ + getDependency( type, index ) { + + const cacheKey = type + ':' + index; + let dependency = this.cache.get( cacheKey ); + + if ( ! dependency ) { + + switch ( type ) { + + case 'scene': + dependency = this.loadScene( index ); + break; + + case 'node': + dependency = this._invokeOne( function ( ext ) { + + return ext.loadNode && ext.loadNode( index ); + + } ); + break; + + case 'mesh': + dependency = this._invokeOne( function ( ext ) { + + return ext.loadMesh && ext.loadMesh( index ); + + } ); + break; + + case 'accessor': + dependency = this.loadAccessor( index ); + break; + + case 'bufferView': + dependency = this._invokeOne( function ( ext ) { + + return ext.loadBufferView && ext.loadBufferView( index ); + + } ); + break; + + case 'buffer': + dependency = this.loadBuffer( index ); + break; + + case 'material': + dependency = this._invokeOne( function ( ext ) { + + return ext.loadMaterial && ext.loadMaterial( index ); + + } ); + break; + + case 'texture': + dependency = this._invokeOne( function ( ext ) { + + return ext.loadTexture && ext.loadTexture( index ); + + } ); + break; + + case 'skin': + dependency = this.loadSkin( index ); + break; + + case 'animation': + dependency = this._invokeOne( function ( ext ) { + + return ext.loadAnimation && ext.loadAnimation( index ); + + } ); + break; + + case 'camera': + dependency = this.loadCamera( index ); + break; + + default: + dependency = this._invokeOne( function ( ext ) { + + return ext != this && ext.getDependency && ext.getDependency( type, index ); + + } ); + + if ( ! dependency ) { + + throw new Error( 'Unknown type: ' + type ); + + } + + break; + + } + + this.cache.add( cacheKey, dependency ); + + } + + return dependency; + + } + + /** + * Requests all dependencies of the specified type asynchronously, with caching. + * + * @private + * @param {string} type + * @return {Promise>} + */ + getDependencies( type ) { + + let dependencies = this.cache.get( type ); + + if ( ! dependencies ) { + + const parser = this; + const defs = this.json[ type + ( type === 'mesh' ? 'es' : 's' ) ] || []; + + dependencies = Promise.all( defs.map( function ( def, index ) { + + return parser.getDependency( type, index ); + + } ) ); + + this.cache.add( type, dependencies ); + + } + + return dependencies; + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views + * + * @private + * @param {number} bufferIndex + * @return {Promise} + */ + loadBuffer( bufferIndex ) { + + const bufferDef = this.json.buffers[ bufferIndex ]; + const loader = this.fileLoader; + + if ( bufferDef.type && bufferDef.type !== 'arraybuffer' ) { + + throw new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' ); + + } + + // If present, GLB container is required to be the first buffer. + if ( bufferDef.uri === undefined && bufferIndex === 0 ) { + + return Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body ); + + } + + const options = this.options; + + return new Promise( function ( resolve, reject ) { + + loader.load( LoaderUtils.resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () { + + reject( new Error( 'THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".' ) ); + + } ); + + } ); + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views + * + * @private + * @param {number} bufferViewIndex + * @return {Promise} + */ + loadBufferView( bufferViewIndex ) { + + const bufferViewDef = this.json.bufferViews[ bufferViewIndex ]; + + return this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) { + + const byteLength = bufferViewDef.byteLength || 0; + const byteOffset = bufferViewDef.byteOffset || 0; + return buffer.slice( byteOffset, byteOffset + byteLength ); + + } ); + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors + * + * @private + * @param {number} accessorIndex + * @return {Promise} + */ + loadAccessor( accessorIndex ) { + + const parser = this; + const json = this.json; + + const accessorDef = this.json.accessors[ accessorIndex ]; + + if ( accessorDef.bufferView === undefined && accessorDef.sparse === undefined ) { + + const itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ]; + const TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ]; + const normalized = accessorDef.normalized === true; + + const array = new TypedArray( accessorDef.count * itemSize ); + return Promise.resolve( new BufferAttribute( array, itemSize, normalized ) ); + + } + + const pendingBufferViews = []; + + if ( accessorDef.bufferView !== undefined ) { + + pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.bufferView ) ); + + } else { + + pendingBufferViews.push( null ); + + } + + if ( accessorDef.sparse !== undefined ) { + + pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.indices.bufferView ) ); + pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.values.bufferView ) ); + + } + + return Promise.all( pendingBufferViews ).then( function ( bufferViews ) { + + const bufferView = bufferViews[ 0 ]; + + const itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ]; + const TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ]; + + // For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12. + const elementBytes = TypedArray.BYTES_PER_ELEMENT; + const itemBytes = elementBytes * itemSize; + const byteOffset = accessorDef.byteOffset || 0; + const byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[ accessorDef.bufferView ].byteStride : undefined; + const normalized = accessorDef.normalized === true; + let array, bufferAttribute; + + // The buffer is not interleaved if the stride is the item size in bytes. + if ( byteStride && byteStride !== itemBytes ) { + + // Each "slice" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own InterleavedBuffer + // This makes sure that IBA.count reflects accessor.count properly + const ibSlice = Math.floor( byteOffset / byteStride ); + const ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count; + let ib = parser.cache.get( ibCacheKey ); + + if ( ! ib ) { + + array = new TypedArray( bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes ); + + // Integer parameters to IB/IBA are in array elements, not bytes. + ib = new InterleavedBuffer( array, byteStride / elementBytes ); + + parser.cache.add( ibCacheKey, ib ); + + } + + bufferAttribute = new InterleavedBufferAttribute( ib, itemSize, ( byteOffset % byteStride ) / elementBytes, normalized ); + + } else { + + if ( bufferView === null ) { + + array = new TypedArray( accessorDef.count * itemSize ); + + } else { + + array = new TypedArray( bufferView, byteOffset, accessorDef.count * itemSize ); + + } + + bufferAttribute = new BufferAttribute( array, itemSize, normalized ); + + } + + // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors + if ( accessorDef.sparse !== undefined ) { + + const itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR; + const TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ]; + + const byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0; + const byteOffsetValues = accessorDef.sparse.values.byteOffset || 0; + + const sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices ); + const sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize ); + + if ( bufferView !== null ) { + + // Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes. + bufferAttribute = new BufferAttribute( bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized ); + + } + + // Ignore normalized since we copy from sparse + bufferAttribute.normalized = false; + + for ( let i = 0, il = sparseIndices.length; i < il; i ++ ) { + + const index = sparseIndices[ i ]; + + bufferAttribute.setX( index, sparseValues[ i * itemSize ] ); + if ( itemSize >= 2 ) bufferAttribute.setY( index, sparseValues[ i * itemSize + 1 ] ); + if ( itemSize >= 3 ) bufferAttribute.setZ( index, sparseValues[ i * itemSize + 2 ] ); + if ( itemSize >= 4 ) bufferAttribute.setW( index, sparseValues[ i * itemSize + 3 ] ); + if ( itemSize >= 5 ) throw new Error( 'THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.' ); + + } + + bufferAttribute.normalized = normalized; + + } + + return bufferAttribute; + + } ); + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures + * + * @private + * @param {number} textureIndex + * @return {Promise} + */ + loadTexture( textureIndex ) { + + const json = this.json; + const options = this.options; + const textureDef = json.textures[ textureIndex ]; + const sourceIndex = textureDef.source; + const sourceDef = json.images[ sourceIndex ]; + + let loader = this.textureLoader; + + if ( sourceDef.uri ) { + + const handler = options.manager.getHandler( sourceDef.uri ); + if ( handler !== null ) loader = handler; + + } + + return this.loadTextureImage( textureIndex, sourceIndex, loader ); + + } + + loadTextureImage( textureIndex, sourceIndex, loader ) { + + const parser = this; + const json = this.json; + + const textureDef = json.textures[ textureIndex ]; + const sourceDef = json.images[ sourceIndex ]; + + const cacheKey = ( sourceDef.uri || sourceDef.bufferView ) + ':' + textureDef.sampler; + + if ( this.textureCache[ cacheKey ] ) { + + // See https://github.com/mrdoob/three.js/issues/21559. + return this.textureCache[ cacheKey ]; + + } + + const promise = this.loadImageSource( sourceIndex, loader ).then( function ( texture ) { + + texture.flipY = false; + + texture.name = textureDef.name || sourceDef.name || ''; + + if ( texture.name === '' && typeof sourceDef.uri === 'string' && sourceDef.uri.startsWith( 'data:image/' ) === false ) { + + texture.name = sourceDef.uri; + + } + + const samplers = json.samplers || {}; + const sampler = samplers[ textureDef.sampler ] || {}; + + texture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || LinearFilter; + texture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || LinearMipmapLinearFilter; + texture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || RepeatWrapping; + texture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || RepeatWrapping; + texture.generateMipmaps = ! texture.isCompressedTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter; + + parser.associations.set( texture, { textures: textureIndex } ); + + return texture; + + } ).catch( function () { + + return null; + + } ); + + this.textureCache[ cacheKey ] = promise; + + return promise; + + } + + loadImageSource( sourceIndex, loader ) { + + const parser = this; + const json = this.json; + const options = this.options; + + if ( this.sourceCache[ sourceIndex ] !== undefined ) { + + return this.sourceCache[ sourceIndex ].then( ( texture ) => texture.clone() ); + + } + + const sourceDef = json.images[ sourceIndex ]; + + const URL = self.URL || self.webkitURL; + + let sourceURI = sourceDef.uri || ''; + let isObjectURL = false; + + if ( sourceDef.bufferView !== undefined ) { + + // Load binary image data from bufferView, if provided. + + sourceURI = parser.getDependency( 'bufferView', sourceDef.bufferView ).then( function ( bufferView ) { + + isObjectURL = true; + const blob = new Blob( [ bufferView ], { type: sourceDef.mimeType } ); + sourceURI = URL.createObjectURL( blob ); + return sourceURI; + + } ); + + } else if ( sourceDef.uri === undefined ) { + + throw new Error( 'THREE.GLTFLoader: Image ' + sourceIndex + ' is missing URI and bufferView' ); + + } + + const promise = Promise.resolve( sourceURI ).then( function ( sourceURI ) { + + return new Promise( function ( resolve, reject ) { + + let onLoad = resolve; + + if ( loader.isImageBitmapLoader === true ) { + + onLoad = function ( imageBitmap ) { + + const texture = new Texture( imageBitmap ); + texture.needsUpdate = true; + + resolve( texture ); + + }; + + } + + loader.load( LoaderUtils.resolveURL( sourceURI, options.path ), onLoad, undefined, reject ); + + } ); + + } ).then( function ( texture ) { + + // Clean up resources and configure Texture. + + if ( isObjectURL === true ) { + + URL.revokeObjectURL( sourceURI ); + + } + + assignExtrasToUserData( texture, sourceDef ); + + texture.userData.mimeType = sourceDef.mimeType || getImageURIMimeType( sourceDef.uri ); + + return texture; + + } ).catch( function ( error ) { + + console.error( 'THREE.GLTFLoader: Couldn\'t load texture', sourceURI ); + throw error; + + } ); + + this.sourceCache[ sourceIndex ] = promise; + return promise; + + } + + /** + * Asynchronously assigns a texture to the given material parameters. + * + * @private + * @param {Object} materialParams + * @param {string} mapName + * @param {Object} mapDef + * @param {string} [colorSpace] + * @return {Promise} + */ + assignTexture( materialParams, mapName, mapDef, colorSpace ) { + + const parser = this; + + return this.getDependency( 'texture', mapDef.index ).then( function ( texture ) { + + if ( ! texture ) return null; + + if ( mapDef.texCoord !== undefined && mapDef.texCoord > 0 ) { + + texture = texture.clone(); + texture.channel = mapDef.texCoord; + + } + + if ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) { + + const transform = mapDef.extensions !== undefined ? mapDef.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] : undefined; + + if ( transform ) { + + const gltfReference = parser.associations.get( texture ); + texture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, transform ); + parser.associations.set( texture, gltfReference ); + + } + + } + + if ( colorSpace !== undefined ) { + + texture.colorSpace = colorSpace; + + } + + materialParams[ mapName ] = texture; + + return texture; + + } ); + + } + + /** + * Assigns final material to a Mesh, Line, or Points instance. The instance + * already has a material (generated from the glTF material options alone) + * but reuse of the same glTF material may require multiple threejs materials + * to accommodate different primitive types, defines, etc. New materials will + * be created if necessary, and reused from a cache. + * + * @private + * @param {Object3D} mesh Mesh, Line, or Points instance. + */ + assignFinalMaterial( mesh ) { + + const geometry = mesh.geometry; + let material = mesh.material; + + const useDerivativeTangents = geometry.attributes.tangent === undefined; + const useVertexColors = geometry.attributes.color !== undefined; + const useFlatShading = geometry.attributes.normal === undefined; + + if ( mesh.isPoints ) { + + const cacheKey = 'PointsMaterial:' + material.uuid; + + let pointsMaterial = this.cache.get( cacheKey ); + + if ( ! pointsMaterial ) { + + pointsMaterial = new PointsMaterial(); + Material.prototype.copy.call( pointsMaterial, material ); + pointsMaterial.color.copy( material.color ); + pointsMaterial.map = material.map; + pointsMaterial.sizeAttenuation = false; // glTF spec says points should be 1px + + this.cache.add( cacheKey, pointsMaterial ); + + } + + material = pointsMaterial; + + } else if ( mesh.isLine ) { + + const cacheKey = 'LineBasicMaterial:' + material.uuid; + + let lineMaterial = this.cache.get( cacheKey ); + + if ( ! lineMaterial ) { + + lineMaterial = new LineBasicMaterial(); + Material.prototype.copy.call( lineMaterial, material ); + lineMaterial.color.copy( material.color ); + lineMaterial.map = material.map; + + this.cache.add( cacheKey, lineMaterial ); + + } + + material = lineMaterial; + + } + + // Clone the material if it will be modified + if ( useDerivativeTangents || useVertexColors || useFlatShading ) { + + let cacheKey = 'ClonedMaterial:' + material.uuid + ':'; + + if ( useDerivativeTangents ) cacheKey += 'derivative-tangents:'; + if ( useVertexColors ) cacheKey += 'vertex-colors:'; + if ( useFlatShading ) cacheKey += 'flat-shading:'; + + let cachedMaterial = this.cache.get( cacheKey ); + + if ( ! cachedMaterial ) { + + cachedMaterial = material.clone(); + + if ( useVertexColors ) cachedMaterial.vertexColors = true; + if ( useFlatShading ) cachedMaterial.flatShading = true; + + if ( useDerivativeTangents ) { + + // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995 + if ( cachedMaterial.normalScale ) cachedMaterial.normalScale.y *= - 1; + if ( cachedMaterial.clearcoatNormalScale ) cachedMaterial.clearcoatNormalScale.y *= - 1; + + } + + this.cache.add( cacheKey, cachedMaterial ); + + this.associations.set( cachedMaterial, this.associations.get( material ) ); + + } + + material = cachedMaterial; + + } + + mesh.material = material; + + } + + getMaterialType( /* materialIndex */ ) { + + return MeshStandardMaterial; + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials + * + * @private + * @param {number} materialIndex + * @return {Promise} + */ + loadMaterial( materialIndex ) { + + const parser = this; + const json = this.json; + const extensions = this.extensions; + const materialDef = json.materials[ materialIndex ]; + + let materialType; + const materialParams = {}; + const materialExtensions = materialDef.extensions || {}; + + const pending = []; + + if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) { + + const kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ]; + materialType = kmuExtension.getMaterialType(); + pending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) ); + + } else { + + // Specification: + // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material + + const metallicRoughness = materialDef.pbrMetallicRoughness || {}; + + materialParams.color = new Color( 1.0, 1.0, 1.0 ); + materialParams.opacity = 1.0; + + if ( Array.isArray( metallicRoughness.baseColorFactor ) ) { + + const array = metallicRoughness.baseColorFactor; + + materialParams.color.setRGB( array[ 0 ], array[ 1 ], array[ 2 ], LinearSRGBColorSpace ); + materialParams.opacity = array[ 3 ]; + + } + + if ( metallicRoughness.baseColorTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, SRGBColorSpace ) ); + + } + + materialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0; + materialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0; + + if ( metallicRoughness.metallicRoughnessTexture !== undefined ) { + + pending.push( parser.assignTexture( materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture ) ); + pending.push( parser.assignTexture( materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture ) ); + + } + + materialType = this._invokeOne( function ( ext ) { + + return ext.getMaterialType && ext.getMaterialType( materialIndex ); + + } ); + + pending.push( Promise.all( this._invokeAll( function ( ext ) { + + return ext.extendMaterialParams && ext.extendMaterialParams( materialIndex, materialParams ); + + } ) ) ); + + } + + if ( materialDef.doubleSided === true ) { + + materialParams.side = DoubleSide; + + } + + const alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE; + + if ( alphaMode === ALPHA_MODES.BLEND ) { + + materialParams.transparent = true; + + // See: https://github.com/mrdoob/three.js/issues/17706 + materialParams.depthWrite = false; + + } else { + + materialParams.transparent = false; + + if ( alphaMode === ALPHA_MODES.MASK ) { + + materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5; + + } + + } + + if ( materialDef.normalTexture !== undefined && materialType !== MeshBasicMaterial ) { + + pending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture ) ); + + materialParams.normalScale = new Vector2( 1, 1 ); + + if ( materialDef.normalTexture.scale !== undefined ) { + + const scale = materialDef.normalTexture.scale; + + materialParams.normalScale.set( scale, scale ); + + } + + } + + if ( materialDef.occlusionTexture !== undefined && materialType !== MeshBasicMaterial ) { + + pending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture ) ); + + if ( materialDef.occlusionTexture.strength !== undefined ) { + + materialParams.aoMapIntensity = materialDef.occlusionTexture.strength; + + } + + } + + if ( materialDef.emissiveFactor !== undefined && materialType !== MeshBasicMaterial ) { + + const emissiveFactor = materialDef.emissiveFactor; + materialParams.emissive = new Color().setRGB( emissiveFactor[ 0 ], emissiveFactor[ 1 ], emissiveFactor[ 2 ], LinearSRGBColorSpace ); + + } + + if ( materialDef.emissiveTexture !== undefined && materialType !== MeshBasicMaterial ) { + + pending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture, SRGBColorSpace ) ); + + } + + return Promise.all( pending ).then( function () { + + const material = new materialType( materialParams ); + + if ( materialDef.name ) material.name = materialDef.name; + + assignExtrasToUserData( material, materialDef ); + + parser.associations.set( material, { materials: materialIndex } ); + + if ( materialDef.extensions ) addUnknownExtensionsToUserData( extensions, material, materialDef ); + + return material; + + } ); + + } + + /** + * When Object3D instances are targeted by animation, they need unique names. + * + * @private + * @param {string} originalName + * @return {string} + */ + createUniqueName( originalName ) { + + const sanitizedName = PropertyBinding.sanitizeNodeName( originalName || '' ); + + if ( sanitizedName in this.nodeNamesUsed ) { + + return sanitizedName + '_' + ( ++ this.nodeNamesUsed[ sanitizedName ] ); + + } else { + + this.nodeNamesUsed[ sanitizedName ] = 0; + + return sanitizedName; + + } + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry + * + * Creates BufferGeometries from primitives. + * + * @private + * @param {Array} primitives + * @return {Promise>} + */ + loadGeometries( primitives ) { + + const parser = this; + const extensions = this.extensions; + const cache = this.primitiveCache; + + function createDracoPrimitive( primitive ) { + + return extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] + .decodePrimitive( primitive, parser ) + .then( function ( geometry ) { + + return addPrimitiveAttributes( geometry, primitive, parser ); + + } ); + + } + + const pending = []; + + for ( let i = 0, il = primitives.length; i < il; i ++ ) { + + const primitive = primitives[ i ]; + const cacheKey = createPrimitiveKey( primitive ); + + // See if we've already created this geometry + const cached = cache[ cacheKey ]; + + if ( cached ) { + + // Use the cached geometry if it exists + pending.push( cached.promise ); + + } else { + + let geometryPromise; + + if ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) { + + // Use DRACO geometry if available + geometryPromise = createDracoPrimitive( primitive ); + + } else { + + // Otherwise create a new geometry + geometryPromise = addPrimitiveAttributes( new BufferGeometry(), primitive, parser ); + + } + + // Cache this geometry + cache[ cacheKey ] = { primitive: primitive, promise: geometryPromise }; + + pending.push( geometryPromise ); + + } + + } + + return Promise.all( pending ); + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes + * + * @private + * @param {number} meshIndex + * @return {Promise} + */ + loadMesh( meshIndex ) { + + const parser = this; + const json = this.json; + const extensions = this.extensions; + + const meshDef = json.meshes[ meshIndex ]; + const primitives = meshDef.primitives; + + const pending = []; + + for ( let i = 0, il = primitives.length; i < il; i ++ ) { + + const material = primitives[ i ].material === undefined + ? createDefaultMaterial( this.cache ) + : this.getDependency( 'material', primitives[ i ].material ); + + pending.push( material ); + + } + + pending.push( parser.loadGeometries( primitives ) ); + + return Promise.all( pending ).then( function ( results ) { + + const materials = results.slice( 0, results.length - 1 ); + const geometries = results[ results.length - 1 ]; + + const meshes = []; + + for ( let i = 0, il = geometries.length; i < il; i ++ ) { + + const geometry = geometries[ i ]; + const primitive = primitives[ i ]; + + // 1. create Mesh + + let mesh; + + const material = materials[ i ]; + + if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES || + primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP || + primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN || + primitive.mode === undefined ) { + + // .isSkinnedMesh isn't in glTF spec. See ._markDefs() + mesh = meshDef.isSkinnedMesh === true + ? new SkinnedMesh( geometry, material ) + : new Mesh( geometry, material ); + + if ( mesh.isSkinnedMesh === true ) { + + // normalize skin weights to fix malformed assets (see #15319) + mesh.normalizeSkinWeights(); + + } + + if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) { + + mesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleStripDrawMode ); + + } else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) { + + mesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleFanDrawMode ); + + } + + } else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) { + + mesh = new LineSegments( geometry, material ); + + } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) { + + mesh = new Line( geometry, material ); + + } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) { + + mesh = new LineLoop( geometry, material ); + + } else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) { + + mesh = new Points( geometry, material ); + + } else { + + throw new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode ); + + } + + if ( Object.keys( mesh.geometry.morphAttributes ).length > 0 ) { + + updateMorphTargets( mesh, meshDef ); + + } + + mesh.name = parser.createUniqueName( meshDef.name || ( 'mesh_' + meshIndex ) ); + + assignExtrasToUserData( mesh, meshDef ); + + if ( primitive.extensions ) addUnknownExtensionsToUserData( extensions, mesh, primitive ); + + parser.assignFinalMaterial( mesh ); + + meshes.push( mesh ); + + } + + for ( let i = 0, il = meshes.length; i < il; i ++ ) { + + parser.associations.set( meshes[ i ], { + meshes: meshIndex, + primitives: i + } ); + + } + + if ( meshes.length === 1 ) { + + if ( meshDef.extensions ) addUnknownExtensionsToUserData( extensions, meshes[ 0 ], meshDef ); + + return meshes[ 0 ]; + + } + + const group = new Group(); + + if ( meshDef.extensions ) addUnknownExtensionsToUserData( extensions, group, meshDef ); + + parser.associations.set( group, { meshes: meshIndex } ); + + for ( let i = 0, il = meshes.length; i < il; i ++ ) { + + group.add( meshes[ i ] ); + + } + + return group; + + } ); + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras + * + * @private + * @param {number} cameraIndex + * @return {Promise|undefined} + */ + loadCamera( cameraIndex ) { + + let camera; + const cameraDef = this.json.cameras[ cameraIndex ]; + const params = cameraDef[ cameraDef.type ]; + + if ( ! params ) { + + console.warn( 'THREE.GLTFLoader: Missing camera parameters.' ); + return; + + } + + if ( cameraDef.type === 'perspective' ) { + + camera = new PerspectiveCamera( MathUtils.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 ); + + } else if ( cameraDef.type === 'orthographic' ) { + + camera = new OrthographicCamera( - params.xmag, params.xmag, params.ymag, - params.ymag, params.znear, params.zfar ); + + } + + if ( cameraDef.name ) camera.name = this.createUniqueName( cameraDef.name ); + + assignExtrasToUserData( camera, cameraDef ); + + return Promise.resolve( camera ); + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins + * + * @private + * @param {number} skinIndex + * @return {Promise} + */ + loadSkin( skinIndex ) { + + const skinDef = this.json.skins[ skinIndex ]; + + const pending = []; + + for ( let i = 0, il = skinDef.joints.length; i < il; i ++ ) { + + pending.push( this._loadNodeShallow( skinDef.joints[ i ] ) ); + + } + + if ( skinDef.inverseBindMatrices !== undefined ) { + + pending.push( this.getDependency( 'accessor', skinDef.inverseBindMatrices ) ); + + } else { + + pending.push( null ); + + } + + return Promise.all( pending ).then( function ( results ) { + + const inverseBindMatrices = results.pop(); + const jointNodes = results; + + // Note that bones (joint nodes) may or may not be in the + // scene graph at this time. + + const bones = []; + const boneInverses = []; + + for ( let i = 0, il = jointNodes.length; i < il; i ++ ) { + + const jointNode = jointNodes[ i ]; + + if ( jointNode ) { + + bones.push( jointNode ); + + const mat = new Matrix4(); + + if ( inverseBindMatrices !== null ) { + + mat.fromArray( inverseBindMatrices.array, i * 16 ); + + } + + boneInverses.push( mat ); + + } else { + + console.warn( 'THREE.GLTFLoader: Joint "%s" could not be found.', skinDef.joints[ i ] ); + + } + + } + + return new Skeleton( bones, boneInverses ); + + } ); + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations + * + * @private + * @param {number} animationIndex + * @return {Promise} + */ + loadAnimation( animationIndex ) { + + const json = this.json; + const parser = this; + + const animationDef = json.animations[ animationIndex ]; + const animationName = animationDef.name ? animationDef.name : 'animation_' + animationIndex; + + const pendingNodes = []; + const pendingInputAccessors = []; + const pendingOutputAccessors = []; + const pendingSamplers = []; + const pendingTargets = []; + + for ( let i = 0, il = animationDef.channels.length; i < il; i ++ ) { + + const channel = animationDef.channels[ i ]; + const sampler = animationDef.samplers[ channel.sampler ]; + const target = channel.target; + const name = target.node; + const input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input; + const output = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.output ] : sampler.output; + + if ( target.node === undefined ) continue; + + pendingNodes.push( this.getDependency( 'node', name ) ); + pendingInputAccessors.push( this.getDependency( 'accessor', input ) ); + pendingOutputAccessors.push( this.getDependency( 'accessor', output ) ); + pendingSamplers.push( sampler ); + pendingTargets.push( target ); + + } + + return Promise.all( [ + + Promise.all( pendingNodes ), + Promise.all( pendingInputAccessors ), + Promise.all( pendingOutputAccessors ), + Promise.all( pendingSamplers ), + Promise.all( pendingTargets ) + + ] ).then( function ( dependencies ) { + + const nodes = dependencies[ 0 ]; + const inputAccessors = dependencies[ 1 ]; + const outputAccessors = dependencies[ 2 ]; + const samplers = dependencies[ 3 ]; + const targets = dependencies[ 4 ]; + + const tracks = []; + + for ( let i = 0, il = nodes.length; i < il; i ++ ) { + + const node = nodes[ i ]; + const inputAccessor = inputAccessors[ i ]; + const outputAccessor = outputAccessors[ i ]; + const sampler = samplers[ i ]; + const target = targets[ i ]; + + if ( node === undefined ) continue; + + if ( node.updateMatrix ) { + + node.updateMatrix(); + + } + + const createdTracks = parser._createAnimationTracks( node, inputAccessor, outputAccessor, sampler, target ); + + if ( createdTracks ) { + + for ( let k = 0; k < createdTracks.length; k ++ ) { + + tracks.push( createdTracks[ k ] ); + + } + + } + + } + + const animation = new AnimationClip( animationName, undefined, tracks ); + + assignExtrasToUserData( animation, animationDef ); + + return animation; + + } ); + + } + + createNodeMesh( nodeIndex ) { + + const json = this.json; + const parser = this; + const nodeDef = json.nodes[ nodeIndex ]; + + if ( nodeDef.mesh === undefined ) return null; + + return parser.getDependency( 'mesh', nodeDef.mesh ).then( function ( mesh ) { + + const node = parser._getNodeRef( parser.meshCache, nodeDef.mesh, mesh ); + + // if weights are provided on the node, override weights on the mesh. + if ( nodeDef.weights !== undefined ) { + + node.traverse( function ( o ) { + + if ( ! o.isMesh ) return; + + for ( let i = 0, il = nodeDef.weights.length; i < il; i ++ ) { + + o.morphTargetInfluences[ i ] = nodeDef.weights[ i ]; + + } + + } ); + + } + + return node; + + } ); + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy + * + * @private + * @param {number} nodeIndex + * @return {Promise} + */ + loadNode( nodeIndex ) { + + const json = this.json; + const parser = this; + + const nodeDef = json.nodes[ nodeIndex ]; + + const nodePending = parser._loadNodeShallow( nodeIndex ); + + const childPending = []; + const childrenDef = nodeDef.children || []; + + for ( let i = 0, il = childrenDef.length; i < il; i ++ ) { + + childPending.push( parser.getDependency( 'node', childrenDef[ i ] ) ); + + } + + const skeletonPending = nodeDef.skin === undefined + ? Promise.resolve( null ) + : parser.getDependency( 'skin', nodeDef.skin ); + + return Promise.all( [ + nodePending, + Promise.all( childPending ), + skeletonPending + ] ).then( function ( results ) { + + const node = results[ 0 ]; + const children = results[ 1 ]; + const skeleton = results[ 2 ]; + + if ( skeleton !== null ) { + + // This full traverse should be fine because + // child glTF nodes have not been added to this node yet. + node.traverse( function ( mesh ) { + + if ( ! mesh.isSkinnedMesh ) return; + + mesh.bind( skeleton, _identityMatrix ); + + } ); + + } + + for ( let i = 0, il = children.length; i < il; i ++ ) { + + node.add( children[ i ] ); + + } + + return node; + + } ); + + } + + // ._loadNodeShallow() parses a single node. + // skin and child nodes are created and added in .loadNode() (no '_' prefix). + _loadNodeShallow( nodeIndex ) { + + const json = this.json; + const extensions = this.extensions; + const parser = this; + + // This method is called from .loadNode() and .loadSkin(). + // Cache a node to avoid duplication. + + if ( this.nodeCache[ nodeIndex ] !== undefined ) { + + return this.nodeCache[ nodeIndex ]; + + } + + const nodeDef = json.nodes[ nodeIndex ]; + + // reserve node's name before its dependencies, so the root has the intended name. + const nodeName = nodeDef.name ? parser.createUniqueName( nodeDef.name ) : ''; + + const pending = []; + + const meshPromise = parser._invokeOne( function ( ext ) { + + return ext.createNodeMesh && ext.createNodeMesh( nodeIndex ); + + } ); + + if ( meshPromise ) { + + pending.push( meshPromise ); + + } + + if ( nodeDef.camera !== undefined ) { + + pending.push( parser.getDependency( 'camera', nodeDef.camera ).then( function ( camera ) { + + return parser._getNodeRef( parser.cameraCache, nodeDef.camera, camera ); + + } ) ); + + } + + parser._invokeAll( function ( ext ) { + + return ext.createNodeAttachment && ext.createNodeAttachment( nodeIndex ); + + } ).forEach( function ( promise ) { + + pending.push( promise ); + + } ); + + this.nodeCache[ nodeIndex ] = Promise.all( pending ).then( function ( objects ) { + + let node; + + // .isBone isn't in glTF spec. See ._markDefs + if ( nodeDef.isBone === true ) { + + node = new Bone(); + + } else if ( objects.length > 1 ) { + + node = new Group(); + + } else if ( objects.length === 1 ) { + + node = objects[ 0 ]; + + } else { + + node = new Object3D(); + + } + + if ( node !== objects[ 0 ] ) { + + for ( let i = 0, il = objects.length; i < il; i ++ ) { + + node.add( objects[ i ] ); + + } + + } + + if ( nodeDef.name ) { + + node.userData.name = nodeDef.name; + node.name = nodeName; + + } + + assignExtrasToUserData( node, nodeDef ); + + if ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef ); + + if ( nodeDef.matrix !== undefined ) { + + const matrix = new Matrix4(); + matrix.fromArray( nodeDef.matrix ); + node.applyMatrix4( matrix ); + + } else { + + if ( nodeDef.translation !== undefined ) { + + node.position.fromArray( nodeDef.translation ); + + } + + if ( nodeDef.rotation !== undefined ) { + + node.quaternion.fromArray( nodeDef.rotation ); + + } + + if ( nodeDef.scale !== undefined ) { + + node.scale.fromArray( nodeDef.scale ); + + } + + } + + if ( ! parser.associations.has( node ) ) { + + parser.associations.set( node, {} ); + + } else if ( nodeDef.mesh !== undefined && parser.meshCache.refs[ nodeDef.mesh ] > 1 ) { + + const mapping = parser.associations.get( node ); + parser.associations.set( node, { ...mapping } ); + + } + + parser.associations.get( node ).nodes = nodeIndex; + + return node; + + } ); + + return this.nodeCache[ nodeIndex ]; + + } + + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes + * + * @private + * @param {number} sceneIndex + * @return {Promise} + */ + loadScene( sceneIndex ) { + + const extensions = this.extensions; + const sceneDef = this.json.scenes[ sceneIndex ]; + const parser = this; + + // Loader returns Group, not Scene. + // See: https://github.com/mrdoob/three.js/issues/18342#issuecomment-578981172 + const scene = new Group(); + if ( sceneDef.name ) scene.name = parser.createUniqueName( sceneDef.name ); + + assignExtrasToUserData( scene, sceneDef ); + + if ( sceneDef.extensions ) addUnknownExtensionsToUserData( extensions, scene, sceneDef ); + + const nodeIds = sceneDef.nodes || []; + + const pending = []; + + for ( let i = 0, il = nodeIds.length; i < il; i ++ ) { + + pending.push( parser.getDependency( 'node', nodeIds[ i ] ) ); + + } + + return Promise.all( pending ).then( function ( nodes ) { + + for ( let i = 0, il = nodes.length; i < il; i ++ ) { + + scene.add( nodes[ i ] ); + + } + + // Removes dangling associations, associations that reference a node that + // didn't make it into the scene. + const reduceAssociations = ( node ) => { + + const reducedAssociations = new Map(); + + for ( const [ key, value ] of parser.associations ) { + + if ( key instanceof Material || key instanceof Texture ) { + + reducedAssociations.set( key, value ); + + } + + } + + node.traverse( ( node ) => { + + const mappings = parser.associations.get( node ); + + if ( mappings != null ) { + + reducedAssociations.set( node, mappings ); + + } + + } ); + + return reducedAssociations; + + }; + + parser.associations = reduceAssociations( scene ); + + return scene; + + } ); + + } + + _createAnimationTracks( node, inputAccessor, outputAccessor, sampler, target ) { + + const tracks = []; + + const targetName = node.name ? node.name : node.uuid; + const targetNames = []; + + if ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) { + + node.traverse( function ( object ) { + + if ( object.morphTargetInfluences ) { + + targetNames.push( object.name ? object.name : object.uuid ); + + } + + } ); + + } else { + + targetNames.push( targetName ); + + } + + let TypedKeyframeTrack; + + switch ( PATH_PROPERTIES[ target.path ] ) { + + case PATH_PROPERTIES.weights: + + TypedKeyframeTrack = NumberKeyframeTrack; + break; + + case PATH_PROPERTIES.rotation: + + TypedKeyframeTrack = QuaternionKeyframeTrack; + break; + + case PATH_PROPERTIES.translation: + case PATH_PROPERTIES.scale: + + TypedKeyframeTrack = VectorKeyframeTrack; + break; + + default: + + switch ( outputAccessor.itemSize ) { + + case 1: + TypedKeyframeTrack = NumberKeyframeTrack; + break; + case 2: + case 3: + default: + TypedKeyframeTrack = VectorKeyframeTrack; + break; + + } + + break; + + } + + const interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : InterpolateLinear; + + + const outputArray = this._getArrayFromAccessor( outputAccessor ); + + for ( let j = 0, jl = targetNames.length; j < jl; j ++ ) { + + const track = new TypedKeyframeTrack( + targetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ], + inputAccessor.array, + outputArray, + interpolation + ); + + // Override interpolation with custom factory method. + if ( sampler.interpolation === 'CUBICSPLINE' ) { + + this._createCubicSplineTrackInterpolant( track ); + + } + + tracks.push( track ); + + } + + return tracks; + + } + + _getArrayFromAccessor( accessor ) { + + let outputArray = accessor.array; + + if ( accessor.normalized ) { + + const scale = getNormalizedComponentScale( outputArray.constructor ); + const scaled = new Float32Array( outputArray.length ); + + for ( let j = 0, jl = outputArray.length; j < jl; j ++ ) { + + scaled[ j ] = outputArray[ j ] * scale; + + } + + outputArray = scaled; + + } + + return outputArray; + + } + + _createCubicSplineTrackInterpolant( track ) { + + track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) { + + // A CUBICSPLINE keyframe in glTF has three output values for each input value, + // representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize() + // must be divided by three to get the interpolant's sampleSize argument. + + const interpolantType = ( this instanceof QuaternionKeyframeTrack ) ? GLTFCubicSplineQuaternionInterpolant : GLTFCubicSplineInterpolant; + + return new interpolantType( this.times, this.values, this.getValueSize() / 3, result ); + + }; + + // Mark as CUBICSPLINE. `track.getInterpolation()` doesn't support custom interpolants. + track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true; + + } + +} + +/** + * + * @private + * @param {BufferGeometry} geometry + * @param {GLTF.Primitive} primitiveDef + * @param {GLTFParser} parser + */ +function computeBounds( geometry, primitiveDef, parser ) { + + const attributes = primitiveDef.attributes; + + const box = new Box3(); + + if ( attributes.POSITION !== undefined ) { + + const accessor = parser.json.accessors[ attributes.POSITION ]; + + const min = accessor.min; + const max = accessor.max; + + // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement. + + if ( min !== undefined && max !== undefined ) { + + box.set( + new Vector3( min[ 0 ], min[ 1 ], min[ 2 ] ), + new Vector3( max[ 0 ], max[ 1 ], max[ 2 ] ) + ); + + if ( accessor.normalized ) { + + const boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] ); + box.min.multiplyScalar( boxScale ); + box.max.multiplyScalar( boxScale ); + + } + + } else { + + console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' ); + + return; + + } + + } else { + + return; + + } + + const targets = primitiveDef.targets; + + if ( targets !== undefined ) { + + const maxDisplacement = new Vector3(); + const vector = new Vector3(); + + for ( let i = 0, il = targets.length; i < il; i ++ ) { + + const target = targets[ i ]; + + if ( target.POSITION !== undefined ) { + + const accessor = parser.json.accessors[ target.POSITION ]; + const min = accessor.min; + const max = accessor.max; + + // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement. + + if ( min !== undefined && max !== undefined ) { + + // we need to get max of absolute components because target weight is [-1,1] + vector.setX( Math.max( Math.abs( min[ 0 ] ), Math.abs( max[ 0 ] ) ) ); + vector.setY( Math.max( Math.abs( min[ 1 ] ), Math.abs( max[ 1 ] ) ) ); + vector.setZ( Math.max( Math.abs( min[ 2 ] ), Math.abs( max[ 2 ] ) ) ); + + + if ( accessor.normalized ) { + + const boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] ); + vector.multiplyScalar( boxScale ); + + } + + // Note: this assumes that the sum of all weights is at most 1. This isn't quite correct - it's more conservative + // to assume that each target can have a max weight of 1. However, for some use cases - notably, when morph targets + // are used to implement key-frame animations and as such only two are active at a time - this results in very large + // boxes. So for now we make a box that's sometimes a touch too small but is hopefully mostly of reasonable size. + maxDisplacement.max( vector ); + + } else { + + console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' ); + + } + + } + + } + + // As per comment above this box isn't conservative, but has a reasonable size for a very large number of morph targets. + box.expandByVector( maxDisplacement ); + + } + + geometry.boundingBox = box; + + const sphere = new Sphere(); + + box.getCenter( sphere.center ); + sphere.radius = box.min.distanceTo( box.max ) / 2; + + geometry.boundingSphere = sphere; + +} + +/** + * + * @private + * @param {BufferGeometry} geometry + * @param {GLTF.Primitive} primitiveDef + * @param {GLTFParser} parser + * @return {Promise} + */ +function addPrimitiveAttributes( geometry, primitiveDef, parser ) { + + const attributes = primitiveDef.attributes; + + const pending = []; + + function assignAttributeAccessor( accessorIndex, attributeName ) { + + return parser.getDependency( 'accessor', accessorIndex ) + .then( function ( accessor ) { + + geometry.setAttribute( attributeName, accessor ); + + } ); + + } + + for ( const gltfAttributeName in attributes ) { + + const threeAttributeName = ATTRIBUTES[ gltfAttributeName ] || gltfAttributeName.toLowerCase(); + + // Skip attributes already provided by e.g. Draco extension. + if ( threeAttributeName in geometry.attributes ) continue; + + pending.push( assignAttributeAccessor( attributes[ gltfAttributeName ], threeAttributeName ) ); + + } + + if ( primitiveDef.indices !== undefined && ! geometry.index ) { + + const accessor = parser.getDependency( 'accessor', primitiveDef.indices ).then( function ( accessor ) { + + geometry.setIndex( accessor ); + + } ); + + pending.push( accessor ); + + } + + if ( ColorManagement.workingColorSpace !== LinearSRGBColorSpace && 'COLOR_0' in attributes ) { + + console.warn( `THREE.GLTFLoader: Converting vertex colors from "srgb-linear" to "${ColorManagement.workingColorSpace}" not supported.` ); + + } + + assignExtrasToUserData( geometry, primitiveDef ); + + computeBounds( geometry, primitiveDef, parser ); + + return Promise.all( pending ).then( function () { + + return primitiveDef.targets !== undefined + ? addMorphTargets( geometry, primitiveDef.targets, parser ) + : geometry; + + } ); + +} + +/** + * Loader result of `GLTFLoader`. + * + * @typedef {Object} GLTFLoader~LoadObject + * @property {Array} animations - An array of animation clips. + * @property {Object} asset - Meta data about the loaded asset. + * @property {Array} cameras - An array of cameras. + * @property {GLTFParser} parser - A reference to the internal parser. + * @property {Group} scene - The default scene. + * @property {Array} scenes - glTF assets might define multiple scenes. + * @property {Object} userData - Additional data. + **/ + +export { GLTFLoader }; diff --git a/node_modules/three/examples/jsm/loaders/HDRCubeTextureLoader.js b/node_modules/three/examples/jsm/loaders/HDRCubeTextureLoader.js new file mode 100644 index 0000000..1790126 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/HDRCubeTextureLoader.js @@ -0,0 +1,164 @@ +import { + CubeTexture, + DataTexture, + FileLoader, + FloatType, + HalfFloatType, + LinearFilter, + LinearSRGBColorSpace, + Loader +} from 'three'; +import { HDRLoader } from '../loaders/HDRLoader.js'; + +/** + * A loader for loading HDR cube textures. + * + * ```js + * const loader = new HDRCubeTextureLoader(); + * loader.setPath( 'textures/cube/pisaHDR/' ); + * const cubeTexture = await loader.loadAsync( [ 'px.hdr', 'nx.hdr', 'py.hdr', 'ny.hdr', 'pz.hdr', 'nz.hdr' ] ); + * + * scene.background = cubeTexture; + * scene.environment = cubeTexture; + * ``` + * + * @augments Loader + * @three_import import { HDRCubeTextureLoader } from 'three/addons/loaders/HDRCubeTextureLoader.js'; + */ +class HDRCubeTextureLoader extends Loader { + + /** + * Constructs a new HDR cube texture loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * The internal HDR loader that loads the + * individual textures for each cube face. + * + * @type {HDRLoader} + */ + this.hdrLoader = new HDRLoader(); + + /** + * The texture type. + * + * @type {(HalfFloatType|FloatType)} + * @default HalfFloatType + */ + this.type = HalfFloatType; + + } + + /** + * Starts loading from the given URLs and passes the loaded HDR cube texture + * to the `onLoad()` callback. + * + * @param {Array} urls - The paths/URLs of the files to be loaded. This can also be a data URIs. + * @param {function(CubeTexture)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + * @return {CubeTexture} The HDR cube texture. + */ + load( urls, onLoad, onProgress, onError ) { + + const texture = new CubeTexture(); + + texture.type = this.type; + + switch ( texture.type ) { + + case FloatType: + + texture.colorSpace = LinearSRGBColorSpace; + texture.minFilter = LinearFilter; + texture.magFilter = LinearFilter; + texture.generateMipmaps = false; + break; + + case HalfFloatType: + + texture.colorSpace = LinearSRGBColorSpace; + texture.minFilter = LinearFilter; + texture.magFilter = LinearFilter; + texture.generateMipmaps = false; + break; + + } + + const scope = this; + + let loaded = 0; + + function loadHDRData( i, onLoad, onProgress, onError ) { + + new FileLoader( scope.manager ) + .setPath( scope.path ) + .setResponseType( 'arraybuffer' ) + .setWithCredentials( scope.withCredentials ) + .load( urls[ i ], function ( buffer ) { + + loaded ++; + + const texData = scope.hdrLoader.parse( buffer ); + + if ( ! texData ) return; + + if ( texData.data !== undefined ) { + + const dataTexture = new DataTexture( texData.data, texData.width, texData.height ); + + dataTexture.type = texture.type; + dataTexture.colorSpace = texture.colorSpace; + dataTexture.format = texture.format; + dataTexture.minFilter = texture.minFilter; + dataTexture.magFilter = texture.magFilter; + dataTexture.generateMipmaps = texture.generateMipmaps; + + texture.images[ i ] = dataTexture; + + } + + if ( loaded === 6 ) { + + texture.needsUpdate = true; + if ( onLoad ) onLoad( texture ); + + } + + }, onProgress, onError ); + + } + + for ( let i = 0; i < urls.length; i ++ ) { + + loadHDRData( i, onLoad, onProgress, onError ); + + } + + return texture; + + } + + /** + * Sets the texture type. + * + * @param {(HalfFloatType|FloatType)} value - The texture type to set. + * @return {HDRCubeTextureLoader} A reference to this loader. + */ + setDataType( value ) { + + this.type = value; + this.hdrLoader.setDataType( value ); + + return this; + + } + +} + +export { HDRCubeTextureLoader }; diff --git a/node_modules/three/examples/jsm/loaders/HDRLoader.js b/node_modules/three/examples/jsm/loaders/HDRLoader.js new file mode 100644 index 0000000..3a1ada9 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/HDRLoader.js @@ -0,0 +1,486 @@ +import { + DataTextureLoader, + DataUtils, + FloatType, + HalfFloatType, + LinearFilter, + LinearSRGBColorSpace +} from 'three'; + +/** + * A loader for the RGBE HDR texture format. + * + * ```js + * const loader = new HDRLoader(); + * const envMap = await loader.loadAsync( 'textures/equirectangular/blouberg_sunrise_2_1k.hdr' ); + * envMap.mapping = THREE.EquirectangularReflectionMapping; + * + * scene.environment = envMap; + * ``` + * + * @augments DataTextureLoader + * @three_import import { HDRLoader } from 'three/addons/loaders/HDRLoader.js'; + */ +class HDRLoader extends DataTextureLoader { + + /** + * Constructs a new RGBE/HDR loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * The texture type. + * + * @type {(HalfFloatType|FloatType)} + * @default HalfFloatType + */ + this.type = HalfFloatType; + + } + + /** + * Parses the given RGBE texture data. + * + * @param {ArrayBuffer} buffer - The raw texture data. + * @return {DataTextureLoader~TexData} An object representing the parsed texture data. + */ + parse( buffer ) { + + // adapted from http://www.graphics.cornell.edu/~bjw/rgbe.html + + const + /* default error routine. change this to change error handling */ + rgbe_read_error = 1, + rgbe_write_error = 2, + rgbe_format_error = 3, + rgbe_memory_error = 4, + rgbe_error = function ( rgbe_error_code, msg ) { + + switch ( rgbe_error_code ) { + + case rgbe_read_error: throw new Error( 'THREE.HDRLoader: Read Error: ' + ( msg || '' ) ); + case rgbe_write_error: throw new Error( 'THREE.HDRLoader: Write Error: ' + ( msg || '' ) ); + case rgbe_format_error: throw new Error( 'THREE.HDRLoader: Bad File Format: ' + ( msg || '' ) ); + default: + case rgbe_memory_error: throw new Error( 'THREE.HDRLoader: Memory Error: ' + ( msg || '' ) ); + + } + + }, + + /* offsets to red, green, and blue components in a data (float) pixel */ + //RGBE_DATA_RED = 0, + //RGBE_DATA_GREEN = 1, + //RGBE_DATA_BLUE = 2, + + /* number of floats per pixel, use 4 since stored in rgba image format */ + //RGBE_DATA_SIZE = 4, + + /* flags indicating which fields in an rgbe_header_info are valid */ + RGBE_VALID_PROGRAMTYPE = 1, + RGBE_VALID_FORMAT = 2, + RGBE_VALID_DIMENSIONS = 4, + + NEWLINE = '\n', + + fgets = function ( buffer, lineLimit, consume ) { + + const chunkSize = 128; + + lineLimit = ! lineLimit ? 1024 : lineLimit; + let p = buffer.pos, + i = - 1, len = 0, s = '', + chunk = String.fromCharCode.apply( null, new Uint16Array( buffer.subarray( p, p + chunkSize ) ) ); + + while ( ( 0 > ( i = chunk.indexOf( NEWLINE ) ) ) && ( len < lineLimit ) && ( p < buffer.byteLength ) ) { + + s += chunk; len += chunk.length; + p += chunkSize; + chunk += String.fromCharCode.apply( null, new Uint16Array( buffer.subarray( p, p + chunkSize ) ) ); + + } + + if ( - 1 < i ) { + + /*for (i=l-1; i>=0; i--) { + byteCode = m.charCodeAt(i); + if (byteCode > 0x7f && byteCode <= 0x7ff) byteLen++; + else if (byteCode > 0x7ff && byteCode <= 0xffff) byteLen += 2; + if (byteCode >= 0xDC00 && byteCode <= 0xDFFF) i--; //trail surrogate + }*/ + if ( false !== consume ) buffer.pos += len + i + 1; + return s + chunk.slice( 0, i ); + + } + + return false; + + }, + + /* minimal header reading. modify if you want to parse more information */ + RGBE_ReadHeader = function ( buffer ) { + + + // regexes to parse header info fields + const magic_token_re = /^#\?(\S+)/, + gamma_re = /^\s*GAMMA\s*=\s*(\d+(\.\d+)?)\s*$/, + exposure_re = /^\s*EXPOSURE\s*=\s*(\d+(\.\d+)?)\s*$/, + format_re = /^\s*FORMAT=(\S+)\s*$/, + dimensions_re = /^\s*\-Y\s+(\d+)\s+\+X\s+(\d+)\s*$/, + + // RGBE format header struct + header = { + + valid: 0, /* indicate which fields are valid */ + + string: '', /* the actual header string */ + + comments: '', /* comments found in header */ + + programtype: 'RGBE', /* listed at beginning of file to identify it after "#?". defaults to "RGBE" */ + + format: '', /* RGBE format, default 32-bit_rle_rgbe */ + + gamma: 1.0, /* image has already been gamma corrected with given gamma. defaults to 1.0 (no correction) */ + + exposure: 1.0, /* a value of 1.0 in an image corresponds to watts/steradian/m^2. defaults to 1.0 */ + + width: 0, height: 0 /* image dimensions, width/height */ + + }; + + let line, match; + + if ( buffer.pos >= buffer.byteLength || ! ( line = fgets( buffer ) ) ) { + + rgbe_error( rgbe_read_error, 'no header found' ); + + } + + /* if you want to require the magic token then uncomment the next line */ + if ( ! ( match = line.match( magic_token_re ) ) ) { + + rgbe_error( rgbe_format_error, 'bad initial token' ); + + } + + header.valid |= RGBE_VALID_PROGRAMTYPE; + header.programtype = match[ 1 ]; + header.string += line + '\n'; + + while ( true ) { + + line = fgets( buffer ); + if ( false === line ) break; + header.string += line + '\n'; + + if ( '#' === line.charAt( 0 ) ) { + + header.comments += line + '\n'; + continue; // comment line + + } + + if ( match = line.match( gamma_re ) ) { + + header.gamma = parseFloat( match[ 1 ] ); + + } + + if ( match = line.match( exposure_re ) ) { + + header.exposure = parseFloat( match[ 1 ] ); + + } + + if ( match = line.match( format_re ) ) { + + header.valid |= RGBE_VALID_FORMAT; + header.format = match[ 1 ];//'32-bit_rle_rgbe'; + + } + + if ( match = line.match( dimensions_re ) ) { + + header.valid |= RGBE_VALID_DIMENSIONS; + header.height = parseInt( match[ 1 ], 10 ); + header.width = parseInt( match[ 2 ], 10 ); + + } + + if ( ( header.valid & RGBE_VALID_FORMAT ) && ( header.valid & RGBE_VALID_DIMENSIONS ) ) break; + + } + + if ( ! ( header.valid & RGBE_VALID_FORMAT ) ) { + + rgbe_error( rgbe_format_error, 'missing format specifier' ); + + } + + if ( ! ( header.valid & RGBE_VALID_DIMENSIONS ) ) { + + rgbe_error( rgbe_format_error, 'missing image size specifier' ); + + } + + return header; + + }, + + RGBE_ReadPixels_RLE = function ( buffer, w, h ) { + + const scanline_width = w; + + if ( + // run length encoding is not allowed so read flat + ( ( scanline_width < 8 ) || ( scanline_width > 0x7fff ) ) || + // this file is not run length encoded + ( ( 2 !== buffer[ 0 ] ) || ( 2 !== buffer[ 1 ] ) || ( buffer[ 2 ] & 0x80 ) ) + ) { + + // return the flat buffer + return new Uint8Array( buffer ); + + } + + if ( scanline_width !== ( ( buffer[ 2 ] << 8 ) | buffer[ 3 ] ) ) { + + rgbe_error( rgbe_format_error, 'wrong scanline width' ); + + } + + const data_rgba = new Uint8Array( 4 * w * h ); + + if ( ! data_rgba.length ) { + + rgbe_error( rgbe_memory_error, 'unable to allocate buffer space' ); + + } + + let offset = 0, pos = 0; + + const ptr_end = 4 * scanline_width; + const rgbeStart = new Uint8Array( 4 ); + const scanline_buffer = new Uint8Array( ptr_end ); + let num_scanlines = h; + + // read in each successive scanline + while ( ( num_scanlines > 0 ) && ( pos < buffer.byteLength ) ) { + + if ( pos + 4 > buffer.byteLength ) { + + rgbe_error( rgbe_read_error ); + + } + + rgbeStart[ 0 ] = buffer[ pos ++ ]; + rgbeStart[ 1 ] = buffer[ pos ++ ]; + rgbeStart[ 2 ] = buffer[ pos ++ ]; + rgbeStart[ 3 ] = buffer[ pos ++ ]; + + if ( ( 2 != rgbeStart[ 0 ] ) || ( 2 != rgbeStart[ 1 ] ) || ( ( ( rgbeStart[ 2 ] << 8 ) | rgbeStart[ 3 ] ) != scanline_width ) ) { + + rgbe_error( rgbe_format_error, 'bad rgbe scanline format' ); + + } + + // read each of the four channels for the scanline into the buffer + // first red, then green, then blue, then exponent + let ptr = 0, count; + + while ( ( ptr < ptr_end ) && ( pos < buffer.byteLength ) ) { + + count = buffer[ pos ++ ]; + const isEncodedRun = count > 128; + if ( isEncodedRun ) count -= 128; + + if ( ( 0 === count ) || ( ptr + count > ptr_end ) ) { + + rgbe_error( rgbe_format_error, 'bad scanline data' ); + + } + + if ( isEncodedRun ) { + + // a (encoded) run of the same value + const byteValue = buffer[ pos ++ ]; + for ( let i = 0; i < count; i ++ ) { + + scanline_buffer[ ptr ++ ] = byteValue; + + } + //ptr += count; + + } else { + + // a literal-run + scanline_buffer.set( buffer.subarray( pos, pos + count ), ptr ); + ptr += count; pos += count; + + } + + } + + + // now convert data from buffer into rgba + // first red, then green, then blue, then exponent (alpha) + const l = scanline_width; //scanline_buffer.byteLength; + for ( let i = 0; i < l; i ++ ) { + + let off = 0; + data_rgba[ offset ] = scanline_buffer[ i + off ]; + off += scanline_width; //1; + data_rgba[ offset + 1 ] = scanline_buffer[ i + off ]; + off += scanline_width; //1; + data_rgba[ offset + 2 ] = scanline_buffer[ i + off ]; + off += scanline_width; //1; + data_rgba[ offset + 3 ] = scanline_buffer[ i + off ]; + offset += 4; + + } + + num_scanlines --; + + } + + return data_rgba; + + }; + + const RGBEByteToRGBFloat = function ( sourceArray, sourceOffset, destArray, destOffset ) { + + const e = sourceArray[ sourceOffset + 3 ]; + const scale = Math.pow( 2.0, e - 128.0 ) / 255.0; + + destArray[ destOffset + 0 ] = sourceArray[ sourceOffset + 0 ] * scale; + destArray[ destOffset + 1 ] = sourceArray[ sourceOffset + 1 ] * scale; + destArray[ destOffset + 2 ] = sourceArray[ sourceOffset + 2 ] * scale; + destArray[ destOffset + 3 ] = 1; + + }; + + const RGBEByteToRGBHalf = function ( sourceArray, sourceOffset, destArray, destOffset ) { + + const e = sourceArray[ sourceOffset + 3 ]; + const scale = Math.pow( 2.0, e - 128.0 ) / 255.0; + + // clamping to 65504, the maximum representable value in float16 + destArray[ destOffset + 0 ] = DataUtils.toHalfFloat( Math.min( sourceArray[ sourceOffset + 0 ] * scale, 65504 ) ); + destArray[ destOffset + 1 ] = DataUtils.toHalfFloat( Math.min( sourceArray[ sourceOffset + 1 ] * scale, 65504 ) ); + destArray[ destOffset + 2 ] = DataUtils.toHalfFloat( Math.min( sourceArray[ sourceOffset + 2 ] * scale, 65504 ) ); + destArray[ destOffset + 3 ] = DataUtils.toHalfFloat( 1 ); + + }; + + const byteArray = new Uint8Array( buffer ); + byteArray.pos = 0; + const rgbe_header_info = RGBE_ReadHeader( byteArray ); + + const w = rgbe_header_info.width, + h = rgbe_header_info.height, + image_rgba_data = RGBE_ReadPixels_RLE( byteArray.subarray( byteArray.pos ), w, h ); + + + let data, type; + let numElements; + + switch ( this.type ) { + + case FloatType: + + numElements = image_rgba_data.length / 4; + const floatArray = new Float32Array( numElements * 4 ); + + for ( let j = 0; j < numElements; j ++ ) { + + RGBEByteToRGBFloat( image_rgba_data, j * 4, floatArray, j * 4 ); + + } + + data = floatArray; + type = FloatType; + break; + + case HalfFloatType: + + numElements = image_rgba_data.length / 4; + const halfArray = new Uint16Array( numElements * 4 ); + + for ( let j = 0; j < numElements; j ++ ) { + + RGBEByteToRGBHalf( image_rgba_data, j * 4, halfArray, j * 4 ); + + } + + data = halfArray; + type = HalfFloatType; + break; + + default: + + throw new Error( 'THREE.HDRLoader: Unsupported type: ' + this.type ); + break; + + } + + return { + width: w, height: h, + data: data, + header: rgbe_header_info.string, + gamma: rgbe_header_info.gamma, + exposure: rgbe_header_info.exposure, + type: type + }; + + } + + /** + * Sets the texture type. + * + * @param {(HalfFloatType|FloatType)} value - The texture type to set. + * @return {HDRLoader} A reference to this loader. + */ + setDataType( value ) { + + this.type = value; + return this; + + } + + load( url, onLoad, onProgress, onError ) { + + function onLoadCallback( texture, texData ) { + + switch ( texture.type ) { + + case FloatType: + case HalfFloatType: + + texture.colorSpace = LinearSRGBColorSpace; + texture.minFilter = LinearFilter; + texture.magFilter = LinearFilter; + texture.generateMipmaps = false; + texture.flipY = true; + + break; + + } + + if ( onLoad ) onLoad( texture, texData ); + + } + + return super.load( url, onLoadCallback, onProgress, onError ); + + } + +} + +export { HDRLoader }; + + diff --git a/node_modules/three/examples/jsm/loaders/IESLoader.js b/node_modules/three/examples/jsm/loaders/IESLoader.js new file mode 100644 index 0000000..f871432 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/IESLoader.js @@ -0,0 +1,379 @@ +import { + DataTexture, + FileLoader, + FloatType, + RedFormat, + MathUtils, + Loader, + UnsignedByteType, + LinearFilter, + HalfFloatType, + DataUtils +} from 'three'; + +/** + * A loader for the IES format. + * + * The loaded texture should be assigned to {@link IESSpotLight#map}. + * + * ```js + * const loader = new IESLoader(); + * const texture = await loader.loadAsync( 'ies/007cfb11e343e2f42e3b476be4ab684e.ies' ); + * + * const spotLight = new THREE.IESSpotLight( 0xff0000, 500 ); + * spotLight.iesMap = texture; + * ``` + * + * @augments Loader + * @three_import import { IESLoader } from 'three/addons/loaders/IESLoader.js'; + */ +class IESLoader extends Loader { + + /** + * Constructs a new IES loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * The texture type. + * + * @type {(HalfFloatType|FloatType)} + * @default HalfFloatType + */ + this.type = HalfFloatType; + + } + + _getIESValues( iesLamp, type ) { + + const width = 360; + const height = 180; + const size = width * height; + + const data = new Array( size ); + + function interpolateCandelaValues( phi, theta ) { + + let phiIndex = 0, thetaIndex = 0; + let startTheta = 0, endTheta = 0, startPhi = 0, endPhi = 0; + + for ( let i = 0; i < iesLamp.numHorAngles - 1; ++ i ) { // numHorAngles = horAngles.length-1 because of extra padding, so this wont cause an out of bounds error + + if ( theta < iesLamp.horAngles[ i + 1 ] || i == iesLamp.numHorAngles - 2 ) { + + thetaIndex = i; + startTheta = iesLamp.horAngles[ i ]; + endTheta = iesLamp.horAngles[ i + 1 ]; + + break; + + } + + } + + for ( let i = 0; i < iesLamp.numVerAngles - 1; ++ i ) { + + if ( phi < iesLamp.verAngles[ i + 1 ] || i == iesLamp.numVerAngles - 2 ) { + + phiIndex = i; + startPhi = iesLamp.verAngles[ i ]; + endPhi = iesLamp.verAngles[ i + 1 ]; + + break; + + } + + } + + const deltaTheta = endTheta - startTheta; + const deltaPhi = endPhi - startPhi; + + if ( deltaPhi === 0 ) // Outside range + return 0; + + const t1 = deltaTheta === 0 ? 0 : ( theta - startTheta ) / deltaTheta; + const t2 = ( phi - startPhi ) / deltaPhi; + + const nextThetaIndex = deltaTheta === 0 ? thetaIndex : thetaIndex + 1; + + const v1 = MathUtils.lerp( iesLamp.candelaValues[ thetaIndex ][ phiIndex ], iesLamp.candelaValues[ nextThetaIndex ][ phiIndex ], t1 ); + const v2 = MathUtils.lerp( iesLamp.candelaValues[ thetaIndex ][ phiIndex + 1 ], iesLamp.candelaValues[ nextThetaIndex ][ phiIndex + 1 ], t1 ); + const v = MathUtils.lerp( v1, v2, t2 ); + + return v; + + } + + const startTheta = iesLamp.horAngles[ 0 ], endTheta = iesLamp.horAngles[ iesLamp.numHorAngles - 1 ]; + + for ( let i = 0; i < size; ++ i ) { + + let theta = i % width; + const phi = Math.floor( i / width ); + + if ( endTheta - startTheta !== 0 && ( theta < startTheta || theta >= endTheta ) ) { // Handle symmetry for hor angles + + theta %= endTheta * 2; + + if ( theta > endTheta ) + theta = endTheta * 2 - theta; + + } + + data[ phi + theta * height ] = interpolateCandelaValues( phi, theta ); + + } + + let result = null; + + if ( type === UnsignedByteType ) result = Uint8Array.from( data.map( v => Math.min( v * 0xFF, 0xFF ) ) ); + else if ( type === HalfFloatType ) result = Uint16Array.from( data.map( v => DataUtils.toHalfFloat( v ) ) ); + else if ( type === FloatType ) result = Float32Array.from( data ); + else console.error( 'IESLoader: Unsupported type:', type ); + + return result; + + } + + /** + * Starts loading from the given URL and passes the loaded IES texture + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(DataTexture)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const loader = new FileLoader( this.manager ); + loader.setResponseType( 'text' ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setWithCredentials( this.withCredentials ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + + loader.load( url, text => { + + onLoad( this.parse( text ) ); + + }, onProgress, onError ); + + } + + /** + * Parses the given IES data. + * + * @param {string} text - The raw IES data. + * @return {DataTexture} THE IES data as a texture. + */ + parse( text ) { + + const type = this.type; + + const iesLamp = new IESLamp( text ); + const data = this._getIESValues( iesLamp, type ); + + const texture = new DataTexture( data, 180, 1, RedFormat, type ); + texture.minFilter = LinearFilter; + texture.magFilter = LinearFilter; + texture.needsUpdate = true; + + return texture; + + } + +} + + +function IESLamp( text ) { + + const _self = this; + + const textArray = text.split( '\n' ); + + let lineNumber = 0; + let line; + + _self.verAngles = [ ]; + _self.horAngles = [ ]; + + _self.candelaValues = [ ]; + + _self.tiltData = { }; + _self.tiltData.angles = [ ]; + _self.tiltData.mulFactors = [ ]; + + function textToArray( text ) { + + text = text.replace( /^\s+|\s+$/g, '' ); // remove leading or trailing spaces + text = text.replace( /,/g, ' ' ); // replace commas with spaces + text = text.replace( /\s\s+/g, ' ' ); // replace white space/tabs etc by single whitespace + + const array = text.split( ' ' ); + + return array; + + } + + function readArray( count, array ) { + + while ( true ) { + + const line = textArray[ lineNumber ++ ]; + const lineData = textToArray( line ); + + for ( let i = 0; i < lineData.length; ++ i ) { + + array.push( Number( lineData[ i ] ) ); + + } + + if ( array.length === count ) + break; + + } + + } + + function readTilt() { + + let line = textArray[ lineNumber ++ ]; + let lineData = textToArray( line ); + + _self.tiltData.lampToLumGeometry = Number( lineData[ 0 ] ); + + line = textArray[ lineNumber ++ ]; + lineData = textToArray( line ); + + _self.tiltData.numAngles = Number( lineData[ 0 ] ); + + readArray( _self.tiltData.numAngles, _self.tiltData.angles ); + readArray( _self.tiltData.numAngles, _self.tiltData.mulFactors ); + + } + + function readLampValues() { + + const values = [ ]; + readArray( 10, values ); + + _self.count = Number( values[ 0 ] ); + _self.lumens = Number( values[ 1 ] ); + _self.multiplier = Number( values[ 2 ] ); + _self.numVerAngles = Number( values[ 3 ] ); + _self.numHorAngles = Number( values[ 4 ] ); + _self.gonioType = Number( values[ 5 ] ); + _self.units = Number( values[ 6 ] ); + _self.width = Number( values[ 7 ] ); + _self.length = Number( values[ 8 ] ); + _self.height = Number( values[ 9 ] ); + + } + + function readLampFactors() { + + const values = [ ]; + readArray( 3, values ); + + _self.ballFactor = Number( values[ 0 ] ); + _self.blpFactor = Number( values[ 1 ] ); + _self.inputWatts = Number( values[ 2 ] ); + + } + + while ( true ) { + + line = textArray[ lineNumber ++ ]; + + if ( line.includes( 'TILT' ) ) { + + break; + + } + + } + + if ( ! line.includes( 'NONE' ) ) { + + if ( line.includes( 'INCLUDE' ) ) { + + readTilt(); + + } else { + + // TODO:: Read tilt data from a file + + } + + } + + readLampValues(); + + readLampFactors(); + + // Initialize candela value array + for ( let i = 0; i < _self.numHorAngles; ++ i ) { + + _self.candelaValues.push( [ ] ); + + } + + // Parse Angles + readArray( _self.numVerAngles, _self.verAngles ); + readArray( _self.numHorAngles, _self.horAngles ); + + // Parse Candela values + for ( let i = 0; i < _self.numHorAngles; ++ i ) { + + readArray( _self.numVerAngles, _self.candelaValues[ i ] ); + + } + + // Calculate actual candela values, and normalize. + for ( let i = 0; i < _self.numHorAngles; ++ i ) { + + for ( let j = 0; j < _self.numVerAngles; ++ j ) { + + _self.candelaValues[ i ][ j ] *= _self.candelaValues[ i ][ j ] * _self.multiplier + * _self.ballFactor * _self.blpFactor; + + } + + } + + let maxVal = - 1; + for ( let i = 0; i < _self.numHorAngles; ++ i ) { + + for ( let j = 0; j < _self.numVerAngles; ++ j ) { + + const value = _self.candelaValues[ i ][ j ]; + maxVal = maxVal < value ? value : maxVal; + + } + + } + + const bNormalize = true; + if ( bNormalize && maxVal > 0 ) { + + for ( let i = 0; i < _self.numHorAngles; ++ i ) { + + for ( let j = 0; j < _self.numVerAngles; ++ j ) { + + _self.candelaValues[ i ][ j ] /= maxVal; + + } + + } + + } + +} + + +export { IESLoader }; diff --git a/node_modules/three/examples/jsm/loaders/KMZLoader.js b/node_modules/three/examples/jsm/loaders/KMZLoader.js new file mode 100644 index 0000000..d01e311 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/KMZLoader.js @@ -0,0 +1,163 @@ +import { + FileLoader, + Group, + Loader, + LoadingManager +} from 'three'; +import { ColladaLoader } from '../loaders/ColladaLoader.js'; +import * as fflate from '../libs/fflate.module.js'; + +/** + * A loader for the KMZ format. + * + * ```js + * const loader = new KMZLoader(); + * const kmz = await loader.loadAsync( './models/kmz/Box.kmz' ); + * + * scene.add( kmz.scene ); + * ``` + * + * @augments Loader + * @three_import import { KMZLoader } from 'three/addons/loaders/KMZLoader.js'; + */ +class KMZLoader extends Loader { + + /** + * Constructs a new KMZ loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded KMZ asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({scene:Group})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given KMZ data and returns an object holding the scene. + * + * @param {ArrayBuffer} data - The raw KMZ data as an array buffer. + * @return {{scene:Group}} The parsed KMZ asset. + */ + parse( data ) { + + function findFile( url ) { + + for ( const path in zip ) { + + if ( path.slice( - url.length ) === url ) { + + return zip[ path ]; + + } + + } + + } + + const manager = new LoadingManager(); + manager.setURLModifier( function ( url ) { + + const image = findFile( url ); + + if ( image ) { + + console.log( 'Loading', url ); + + const blob = new Blob( [ image.buffer ], { type: 'application/octet-stream' } ); + return URL.createObjectURL( blob ); + + } + + return url; + + } ); + + // + + const zip = fflate.unzipSync( new Uint8Array( data ) ); + + if ( zip[ 'doc.kml' ] ) { + + const xml = new DOMParser().parseFromString( fflate.strFromU8( zip[ 'doc.kml' ] ), 'application/xml' ); + + const model = xml.querySelector( 'Placemark Model Link href' ); + + if ( model ) { + + const loader = new ColladaLoader( manager ); + return loader.parse( fflate.strFromU8( zip[ model.textContent ] ) ); + + } + + } else { + + console.warn( 'KMZLoader: Missing doc.kml file.' ); + + for ( const path in zip ) { + + const extension = path.split( '.' ).pop().toLowerCase(); + + if ( extension === 'dae' ) { + + const loader = new ColladaLoader( manager ); + return loader.parse( fflate.strFromU8( zip[ path ] ) ); + + } + + } + + } + + console.error( 'KMZLoader: Couldn\'t find .dae file.' ); + return { scene: new Group() }; + + } + +} + +export { KMZLoader }; diff --git a/node_modules/three/examples/jsm/loaders/KTX2Loader.js b/node_modules/three/examples/jsm/loaders/KTX2Loader.js new file mode 100644 index 0000000..8486bf8 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/KTX2Loader.js @@ -0,0 +1,1235 @@ +import { + CompressedArrayTexture, + CompressedCubeTexture, + CompressedTexture, + Data3DTexture, + DataTexture, + FileLoader, + FloatType, + HalfFloatType, + LinearFilter, + LinearMipmapLinearFilter, + NearestFilter, + NearestMipmapNearestFilter, + LinearSRGBColorSpace, + Loader, + NoColorSpace, + RGBAFormat, + RGBA_ASTC_4x4_Format, + RGBA_ASTC_6x6_Format, + RGBA_BPTC_Format, + RGBA_S3TC_DXT3_Format, + RGBA_ETC2_EAC_Format, + RGBA_PVRTC_4BPPV1_Format, + RGBA_PVRTC_2BPPV1_Format, + RGBA_S3TC_DXT1_Format, + RGBA_S3TC_DXT5_Format, + RGB_BPTC_UNSIGNED_Format, + RGB_ETC1_Format, + RGB_ETC2_Format, + RGB_PVRTC_4BPPV1_Format, + RGB_S3TC_DXT1_Format, + SIGNED_RED_GREEN_RGTC2_Format, + SIGNED_RED_RGTC1_Format, + RED_GREEN_RGTC2_Format, + RED_RGTC1_Format, + RGBFormat, + RGFormat, + RedFormat, + SRGBColorSpace, + UnsignedByteType, + UnsignedInt5999Type, + UnsignedInt101111Type +} from 'three'; +import { WorkerPool } from '../utils/WorkerPool.js'; +import { + read, + KHR_DF_FLAG_ALPHA_PREMULTIPLIED, + KHR_DF_PRIMARIES_BT709, + KHR_DF_PRIMARIES_DISPLAYP3, + KHR_DF_PRIMARIES_UNSPECIFIED, + KHR_DF_TRANSFER_SRGB, + KHR_SUPERCOMPRESSION_NONE, + KHR_SUPERCOMPRESSION_ZSTD, + VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT, + VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK_EXT, + VK_FORMAT_ASTC_4x4_SRGB_BLOCK, + VK_FORMAT_ASTC_4x4_UNORM_BLOCK, + VK_FORMAT_ASTC_6x6_SRGB_BLOCK, + VK_FORMAT_ASTC_6x6_UNORM_BLOCK, + VK_FORMAT_BC1_RGBA_SRGB_BLOCK, + VK_FORMAT_BC1_RGBA_UNORM_BLOCK, + VK_FORMAT_BC1_RGB_SRGB_BLOCK, + VK_FORMAT_BC1_RGB_UNORM_BLOCK, + VK_FORMAT_BC3_SRGB_BLOCK, + VK_FORMAT_BC3_UNORM_BLOCK, + VK_FORMAT_BC4_SNORM_BLOCK, + VK_FORMAT_BC4_UNORM_BLOCK, + VK_FORMAT_BC5_SNORM_BLOCK, + VK_FORMAT_BC5_UNORM_BLOCK, + VK_FORMAT_BC7_SRGB_BLOCK, + VK_FORMAT_BC7_UNORM_BLOCK, + VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK, + VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK, + VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG, + VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG, + VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG, + VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG, + VK_FORMAT_R16G16B16A16_SFLOAT, + VK_FORMAT_R16G16_SFLOAT, + VK_FORMAT_R16_SFLOAT, + VK_FORMAT_R32G32B32A32_SFLOAT, + VK_FORMAT_R32G32_SFLOAT, + VK_FORMAT_R32_SFLOAT, + VK_FORMAT_R8G8B8A8_SRGB, + VK_FORMAT_R8G8B8A8_UNORM, + VK_FORMAT_R8G8_SRGB, + VK_FORMAT_R8G8_UNORM, + VK_FORMAT_R8_SRGB, + VK_FORMAT_R8_UNORM, + VK_FORMAT_E5B9G9R9_UFLOAT_PACK32, + VK_FORMAT_B10G11R11_UFLOAT_PACK32, + VK_FORMAT_UNDEFINED +} from '../libs/ktx-parse.module.js'; +import { ZSTDDecoder } from '../libs/zstddec.module.js'; +import { DisplayP3ColorSpace, LinearDisplayP3ColorSpace } from '../math/ColorSpaces.js'; + +const _taskCache = new WeakMap(); + +let _activeLoaders = 0; + +let _zstd; + +/** + * A loader for KTX 2.0 GPU Texture containers. + * + * KTX 2.0 is a container format for various GPU texture formats. The loader supports Basis Universal GPU textures, + * which can be quickly transcoded to a wide variety of GPU texture compression formats. While KTX 2.0 also allows + * other hardware-specific formats, this loader does not yet parse them. + * + * This loader parses the KTX 2.0 container and transcodes to a supported GPU compressed texture format. + * The required WASM transcoder and JS wrapper are available from the `examples/jsm/libs/basis` directory. + * + * This loader relies on Web Assembly which is not supported in older browsers. + * + * References: + * - [KTX specification](http://github.khronos.org/KTX-Specification/) + * - [DFD](https://www.khronos.org/registry/DataFormat/specs/1.3/dataformat.1.3.html#basicdescriptor) + * - [BasisU HDR](https://github.com/BinomialLLC/basis_universal/wiki/UASTC-HDR-Texture-Specification-v1.0) + * + * ```js + * const loader = new KTX2Loader(); + * loader.setTranscoderPath( 'examples/jsm/libs/basis/' ); + * loader.detectSupport( renderer ); + * const texture = loader.loadAsync( 'diffuse.ktx2' ); + * ``` + * + * @augments Loader + * @three_import import { KTX2Loader } from 'three/addons/loaders/KTX2Loader.js'; + */ +class KTX2Loader extends Loader { + + /** + * Constructs a new KTX2 loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + this.transcoderPath = ''; + this.transcoderBinary = null; + this.transcoderPending = null; + + this.workerPool = new WorkerPool(); + this.workerSourceURL = ''; + this.workerConfig = null; + + if ( typeof MSC_TRANSCODER !== 'undefined' ) { + + console.warn( + + 'THREE.KTX2Loader: Please update to latest "basis_transcoder".' + + ' "msc_basis_transcoder" is no longer supported in three.js r125+.' + + ); + + } + + } + + /** + * Sets the transcoder path. + * + * The WASM transcoder and JS wrapper are available from the `examples/jsm/libs/basis` directory. + * + * @param {string} path - The transcoder path to set. + * @return {KTX2Loader} A reference to this loader. + */ + setTranscoderPath( path ) { + + this.transcoderPath = path; + + return this; + + } + + /** + * Sets the maximum number of Web Workers to be allocated by this instance. + * + * @param {number} workerLimit - The worker limit. + * @return {KTX2Loader} A reference to this loader. + */ + setWorkerLimit( workerLimit ) { + + this.workerPool.setWorkerLimit( workerLimit ); + + return this; + + } + + + /** + * Async version of {@link KTX2Loader#detectSupport}. + * + * @async + * @deprecated + * @param {WebGPURenderer} renderer - The renderer. + * @return {Promise} A Promise that resolves when the support has been detected. + */ + async detectSupportAsync( renderer ) { + + console.warn( 'KTX2Loader: "detectSupportAsync()" has been deprecated. Use "detectSupport()" and "await renderer.init();" when creating the renderer.' ); // @deprecated r181 + + await renderer.init(); + + return this.detectSupport( renderer ); + + } + + /** + * Detects hardware support for available compressed texture formats, to determine + * the output format for the transcoder. Must be called before loading a texture. + * + * @param {WebGPURenderer|WebGLRenderer} renderer - The renderer. + * @return {KTX2Loader} A reference to this loader. + */ + detectSupport( renderer ) { + + if ( renderer.isWebGPURenderer === true ) { + + this.workerConfig = { + astcSupported: renderer.hasFeature( 'texture-compression-astc' ), + astcHDRSupported: false, // https://github.com/gpuweb/gpuweb/issues/3856 + etc1Supported: renderer.hasFeature( 'texture-compression-etc1' ), + etc2Supported: renderer.hasFeature( 'texture-compression-etc2' ), + dxtSupported: renderer.hasFeature( 'texture-compression-s3tc' ), + bptcSupported: renderer.hasFeature( 'texture-compression-bc' ), + pvrtcSupported: renderer.hasFeature( 'texture-compression-pvrtc' ) + }; + + } else { + + this.workerConfig = { + astcSupported: renderer.extensions.has( 'WEBGL_compressed_texture_astc' ), + astcHDRSupported: renderer.extensions.has( 'WEBGL_compressed_texture_astc' ) + && renderer.extensions.get( 'WEBGL_compressed_texture_astc' ).getSupportedProfiles().includes( 'hdr' ), + etc1Supported: renderer.extensions.has( 'WEBGL_compressed_texture_etc1' ), + etc2Supported: renderer.extensions.has( 'WEBGL_compressed_texture_etc' ), + dxtSupported: renderer.extensions.has( 'WEBGL_compressed_texture_s3tc' ), + bptcSupported: renderer.extensions.has( 'EXT_texture_compression_bptc' ), + pvrtcSupported: renderer.extensions.has( 'WEBGL_compressed_texture_pvrtc' ) + || renderer.extensions.has( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ) + }; + + if ( typeof navigator !== 'undefined' && + navigator.platform.indexOf( 'Linux' ) >= 0 && navigator.userAgent.indexOf( 'Firefox' ) >= 0 && + this.workerConfig.astcSupported && this.workerConfig.etc2Supported && + this.workerConfig.bptcSupported && this.workerConfig.dxtSupported ) { + + // On Linux, Mesa drivers for AMD and Intel GPUs expose ETC2 and ASTC even though the hardware doesn't support these. + // Using these extensions will result in expensive software decompression on the main thread inside the driver, causing performance issues. + // When using ANGLE (e.g. via Chrome), these extensions are not exposed except for some specific Intel GPU models - however, Firefox doesn't perform this filtering. + // Since a granular filter is a little too fragile and we can transcode into other GPU formats, disable formats that are likely to be emulated. + + this.workerConfig.astcSupported = false; + this.workerConfig.etc2Supported = false; + + } + + } + + return this; + + } + + // TODO: Make this method private + + init() { + + if ( ! this.transcoderPending ) { + + // Load transcoder wrapper. + const jsLoader = new FileLoader( this.manager ); + jsLoader.setPath( this.transcoderPath ); + jsLoader.setWithCredentials( this.withCredentials ); + const jsContent = jsLoader.loadAsync( 'basis_transcoder.js' ); + + // Load transcoder WASM binary. + const binaryLoader = new FileLoader( this.manager ); + binaryLoader.setPath( this.transcoderPath ); + binaryLoader.setResponseType( 'arraybuffer' ); + binaryLoader.setWithCredentials( this.withCredentials ); + const binaryContent = binaryLoader.loadAsync( 'basis_transcoder.wasm' ); + + this.transcoderPending = Promise.all( [ jsContent, binaryContent ] ) + .then( ( [ jsContent, binaryContent ] ) => { + + const fn = KTX2Loader.BasisWorker.toString(); + + const body = [ + '/* constants */', + 'let _EngineFormat = ' + JSON.stringify( KTX2Loader.EngineFormat ), + 'let _EngineType = ' + JSON.stringify( KTX2Loader.EngineType ), + 'let _TranscoderFormat = ' + JSON.stringify( KTX2Loader.TranscoderFormat ), + 'let _BasisFormat = ' + JSON.stringify( KTX2Loader.BasisFormat ), + '/* basis_transcoder.js */', + jsContent, + '/* worker */', + fn.substring( fn.indexOf( '{' ) + 1, fn.lastIndexOf( '}' ) ) + ].join( '\n' ); + + this.workerSourceURL = URL.createObjectURL( new Blob( [ body ] ) ); + this.transcoderBinary = binaryContent; + + this.workerPool.setWorkerCreator( () => { + + const worker = new Worker( this.workerSourceURL ); + const transcoderBinary = this.transcoderBinary.slice( 0 ); + + worker.postMessage( { type: 'init', config: this.workerConfig, transcoderBinary }, [ transcoderBinary ] ); + + return worker; + + } ); + + } ); + + if ( _activeLoaders > 0 ) { + + // Each instance loads a transcoder and allocates workers, increasing network and memory cost. + + console.warn( + + 'THREE.KTX2Loader: Multiple active KTX2 loaders may cause performance issues.' + + ' Use a single KTX2Loader instance, or call .dispose() on old instances.' + + ); + + } + + _activeLoaders ++; + + } + + return this.transcoderPending; + + } + + /** + * Starts loading from the given URL and passes the loaded KTX2 texture + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(CompressedTexture)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + if ( this.workerConfig === null ) { + + throw new Error( 'THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.' ); + + } + + const loader = new FileLoader( this.manager ); + + loader.setPath( this.path ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setWithCredentials( this.withCredentials ); + loader.setRequestHeader( this.requestHeader ); + loader.setResponseType( 'arraybuffer' ); + + loader.load( url, ( buffer ) => { + + this.parse( buffer, onLoad, onError ); + + }, onProgress, onError ); + + } + + /** + * Parses the given KTX2 data. + * + * @param {ArrayBuffer} buffer - The raw KTX2 data as an array buffer. + * @param {function(CompressedTexture)} onLoad - Executed when the loading/parsing process has been finished. + * @param {onErrorCallback} onError - Executed when errors occur. + * @returns {Promise} A Promise that resolves when the parsing has been finished. + */ + parse( buffer, onLoad, onError ) { + + if ( this.workerConfig === null ) { + + throw new Error( 'THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.' ); + + } + + // Check for an existing task using this buffer. A transferred buffer cannot be transferred + // again from this thread. + if ( _taskCache.has( buffer ) ) { + + const cachedTask = _taskCache.get( buffer ); + + return cachedTask.promise.then( onLoad ).catch( onError ); + + } + + this._createTexture( buffer ) + .then( ( texture ) => onLoad ? onLoad( texture ) : null ) + .catch( onError ); + + } + + _createTextureFrom( transcodeResult, container ) { + + const { type: messageType, error, data: { faces, width, height, format, type, dfdFlags } } = transcodeResult; + + if ( messageType === 'error' ) return Promise.reject( error ); + + let texture; + + if ( container.faceCount === 6 ) { + + texture = new CompressedCubeTexture( faces, format, type ); + + } else { + + const mipmaps = faces[ 0 ].mipmaps; + + texture = container.layerCount > 1 + ? new CompressedArrayTexture( mipmaps, width, height, container.layerCount, format, type ) + : new CompressedTexture( mipmaps, width, height, format, type ); + + } + + texture.minFilter = faces[ 0 ].mipmaps.length === 1 ? LinearFilter : LinearMipmapLinearFilter; + texture.magFilter = LinearFilter; + texture.generateMipmaps = false; + + texture.needsUpdate = true; + texture.colorSpace = parseColorSpace( container ); + texture.premultiplyAlpha = !! ( dfdFlags & KHR_DF_FLAG_ALPHA_PREMULTIPLIED ); + + return texture; + + } + + /** + * @private + * @param {ArrayBuffer} buffer + * @param {?Object} config + * @return {Promise} + */ + async _createTexture( buffer, config = {} ) { + + const container = read( new Uint8Array( buffer ) ); + + // Basis UASTC HDR is a subset of ASTC, which can be transcoded efficiently + // to BC6H. To detect whether a KTX2 file uses Basis UASTC HDR, or default + // ASTC, inspect the DFD color model. + // + // Source: https://github.com/BinomialLLC/basis_universal/issues/381 + const isBasisHDR = container.vkFormat === VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT + && container.dataFormatDescriptor[ 0 ].colorModel === 0xA7; + + // If the device supports ASTC, Basis UASTC HDR requires no transcoder. + const needsTranscoder = container.vkFormat === VK_FORMAT_UNDEFINED + || isBasisHDR && ! this.workerConfig.astcHDRSupported; + + if ( ! needsTranscoder ) { + + return createRawTexture( container ); + + } + + // + const taskConfig = config; + const texturePending = this.init().then( () => { + + return this.workerPool.postMessage( { type: 'transcode', buffer, taskConfig: taskConfig }, [ buffer ] ); + + } ).then( ( e ) => this._createTextureFrom( e.data, container ) ); + + // Cache the task result. + _taskCache.set( buffer, { promise: texturePending } ); + + return texturePending; + + } + + /** + * Frees internal resources. This method should be called + * when the loader is no longer required. + */ + dispose() { + + this.workerPool.dispose(); + if ( this.workerSourceURL ) URL.revokeObjectURL( this.workerSourceURL ); + + _activeLoaders --; + + } + +} + + +/* CONSTANTS */ + +KTX2Loader.BasisFormat = { + ETC1S: 0, + UASTC: 1, + UASTC_HDR: 2, +}; + +// Source: https://github.com/BinomialLLC/basis_universal/blob/master/webgl/texture_test/index.html +KTX2Loader.TranscoderFormat = { + ETC1: 0, + ETC2: 1, + BC1: 2, + BC3: 3, + BC4: 4, + BC5: 5, + BC7_M6_OPAQUE_ONLY: 6, + BC7_M5: 7, + PVRTC1_4_RGB: 8, + PVRTC1_4_RGBA: 9, + ASTC_4x4: 10, + ATC_RGB: 11, + ATC_RGBA_INTERPOLATED_ALPHA: 12, + RGBA32: 13, + RGB565: 14, + BGR565: 15, + RGBA4444: 16, + BC6H: 22, + RGB_HALF: 24, + RGBA_HALF: 25, +}; + +KTX2Loader.EngineFormat = { + RGBAFormat: RGBAFormat, + RGBA_ASTC_4x4_Format: RGBA_ASTC_4x4_Format, + RGB_BPTC_UNSIGNED_Format: RGB_BPTC_UNSIGNED_Format, + RGBA_BPTC_Format: RGBA_BPTC_Format, + RGBA_ETC2_EAC_Format: RGBA_ETC2_EAC_Format, + RGBA_PVRTC_4BPPV1_Format: RGBA_PVRTC_4BPPV1_Format, + RGBA_S3TC_DXT5_Format: RGBA_S3TC_DXT5_Format, + RGB_ETC1_Format: RGB_ETC1_Format, + RGB_ETC2_Format: RGB_ETC2_Format, + RGB_PVRTC_4BPPV1_Format: RGB_PVRTC_4BPPV1_Format, + RGBA_S3TC_DXT1_Format: RGBA_S3TC_DXT1_Format, +}; + +KTX2Loader.EngineType = { + UnsignedByteType: UnsignedByteType, + HalfFloatType: HalfFloatType, + FloatType: FloatType, +}; + +/* WEB WORKER */ + +KTX2Loader.BasisWorker = function () { + + let config; + let transcoderPending; + let BasisModule; + + const EngineFormat = _EngineFormat; // eslint-disable-line no-undef + const EngineType = _EngineType; // eslint-disable-line no-undef + const TranscoderFormat = _TranscoderFormat; // eslint-disable-line no-undef + const BasisFormat = _BasisFormat; // eslint-disable-line no-undef + + self.addEventListener( 'message', function ( e ) { + + const message = e.data; + + switch ( message.type ) { + + case 'init': + config = message.config; + init( message.transcoderBinary ); + break; + + case 'transcode': + transcoderPending.then( () => { + + try { + + const { faces, buffers, width, height, hasAlpha, format, type, dfdFlags } = transcode( message.buffer ); + + self.postMessage( { type: 'transcode', id: message.id, data: { faces, width, height, hasAlpha, format, type, dfdFlags } }, buffers ); + + } catch ( error ) { + + console.error( error ); + + self.postMessage( { type: 'error', id: message.id, error: error.message } ); + + } + + } ); + break; + + } + + } ); + + function init( wasmBinary ) { + + transcoderPending = new Promise( ( resolve ) => { + + BasisModule = { wasmBinary, onRuntimeInitialized: resolve }; + BASIS( BasisModule ); // eslint-disable-line no-undef + + } ).then( () => { + + BasisModule.initializeBasis(); + + if ( BasisModule.KTX2File === undefined ) { + + console.warn( 'THREE.KTX2Loader: Please update Basis Universal transcoder.' ); + + } + + } ); + + } + + function transcode( buffer ) { + + const ktx2File = new BasisModule.KTX2File( new Uint8Array( buffer ) ); + + function cleanup() { + + ktx2File.close(); + ktx2File.delete(); + + } + + if ( ! ktx2File.isValid() ) { + + cleanup(); + throw new Error( 'THREE.KTX2Loader: Invalid or unsupported .ktx2 file' ); + + } + + let basisFormat; + + if ( ktx2File.isUASTC() ) { + + basisFormat = BasisFormat.UASTC; + + } else if ( ktx2File.isETC1S() ) { + + basisFormat = BasisFormat.ETC1S; + + } else if ( ktx2File.isHDR() ) { + + basisFormat = BasisFormat.UASTC_HDR; + + } else { + + throw new Error( 'THREE.KTX2Loader: Unknown Basis encoding' ); + + } + + const width = ktx2File.getWidth(); + const height = ktx2File.getHeight(); + const layerCount = ktx2File.getLayers() || 1; + const levelCount = ktx2File.getLevels(); + const faceCount = ktx2File.getFaces(); + const hasAlpha = ktx2File.getHasAlpha(); + const dfdFlags = ktx2File.getDFDFlags(); + + const { transcoderFormat, engineFormat, engineType } = getTranscoderFormat( basisFormat, width, height, hasAlpha ); + + if ( ! width || ! height || ! levelCount ) { + + cleanup(); + throw new Error( 'THREE.KTX2Loader: Invalid texture' ); + + } + + if ( ! ktx2File.startTranscoding() ) { + + cleanup(); + throw new Error( 'THREE.KTX2Loader: .startTranscoding failed' ); + + } + + const faces = []; + const buffers = []; + + for ( let face = 0; face < faceCount; face ++ ) { + + const mipmaps = []; + + for ( let mip = 0; mip < levelCount; mip ++ ) { + + const layerMips = []; + + let mipWidth, mipHeight; + + for ( let layer = 0; layer < layerCount; layer ++ ) { + + const levelInfo = ktx2File.getImageLevelInfo( mip, layer, face ); + + if ( face === 0 && mip === 0 && layer === 0 && ( levelInfo.origWidth % 4 !== 0 || levelInfo.origHeight % 4 !== 0 ) ) { + + console.warn( 'THREE.KTX2Loader: ETC1S and UASTC textures should use multiple-of-four dimensions.' ); + + } + + if ( levelCount > 1 ) { + + mipWidth = levelInfo.origWidth; + mipHeight = levelInfo.origHeight; + + } else { + + // Handles non-multiple-of-four dimensions in textures without mipmaps. Textures with + // mipmaps must use multiple-of-four dimensions, for some texture formats and APIs. + // See mrdoob/three.js#25908. + mipWidth = levelInfo.width; + mipHeight = levelInfo.height; + + } + + let dst = new Uint8Array( ktx2File.getImageTranscodedSizeInBytes( mip, layer, 0, transcoderFormat ) ); + const status = ktx2File.transcodeImage( dst, mip, layer, face, transcoderFormat, 0, - 1, - 1 ); + + if ( engineType === EngineType.HalfFloatType ) { + + dst = new Uint16Array( dst.buffer, dst.byteOffset, dst.byteLength / Uint16Array.BYTES_PER_ELEMENT ); + + } + + if ( ! status ) { + + cleanup(); + throw new Error( 'THREE.KTX2Loader: .transcodeImage failed.' ); + + } + + layerMips.push( dst ); + + } + + const mipData = concat( layerMips ); + + mipmaps.push( { data: mipData, width: mipWidth, height: mipHeight } ); + buffers.push( mipData.buffer ); + + } + + faces.push( { mipmaps, width, height, format: engineFormat, type: engineType } ); + + } + + cleanup(); + + return { faces, buffers, width, height, hasAlpha, dfdFlags, format: engineFormat, type: engineType }; + + } + + // + + // Optimal choice of a transcoder target format depends on the Basis format (ETC1S, UASTC, or + // UASTC HDR), device capabilities, and texture dimensions. The list below ranks the formats + // separately for each format. Currently, priority is assigned based on: + // + // high quality > low quality > uncompressed + // + // Prioritization may be revisited, or exposed for configuration, in the future. + // + // Reference: https://github.com/KhronosGroup/3D-Formats-Guidelines/blob/main/KTXDeveloperGuide.md + const FORMAT_OPTIONS = [ + { + if: 'astcSupported', + basisFormat: [ BasisFormat.UASTC ], + transcoderFormat: [ TranscoderFormat.ASTC_4x4, TranscoderFormat.ASTC_4x4 ], + engineFormat: [ EngineFormat.RGBA_ASTC_4x4_Format, EngineFormat.RGBA_ASTC_4x4_Format ], + engineType: [ EngineType.UnsignedByteType ], + priorityETC1S: Infinity, + priorityUASTC: 1, + needsPowerOfTwo: false, + }, + { + if: 'bptcSupported', + basisFormat: [ BasisFormat.ETC1S, BasisFormat.UASTC ], + transcoderFormat: [ TranscoderFormat.BC7_M5, TranscoderFormat.BC7_M5 ], + engineFormat: [ EngineFormat.RGBA_BPTC_Format, EngineFormat.RGBA_BPTC_Format ], + engineType: [ EngineType.UnsignedByteType ], + priorityETC1S: 3, + priorityUASTC: 2, + needsPowerOfTwo: false, + }, + { + if: 'dxtSupported', + basisFormat: [ BasisFormat.ETC1S, BasisFormat.UASTC ], + transcoderFormat: [ TranscoderFormat.BC1, TranscoderFormat.BC3 ], + engineFormat: [ EngineFormat.RGBA_S3TC_DXT1_Format, EngineFormat.RGBA_S3TC_DXT5_Format ], + engineType: [ EngineType.UnsignedByteType ], + priorityETC1S: 4, + priorityUASTC: 5, + needsPowerOfTwo: false, + }, + { + if: 'etc2Supported', + basisFormat: [ BasisFormat.ETC1S, BasisFormat.UASTC ], + transcoderFormat: [ TranscoderFormat.ETC1, TranscoderFormat.ETC2 ], + engineFormat: [ EngineFormat.RGB_ETC2_Format, EngineFormat.RGBA_ETC2_EAC_Format ], + engineType: [ EngineType.UnsignedByteType ], + priorityETC1S: 1, + priorityUASTC: 3, + needsPowerOfTwo: false, + }, + { + if: 'etc1Supported', + basisFormat: [ BasisFormat.ETC1S, BasisFormat.UASTC ], + transcoderFormat: [ TranscoderFormat.ETC1 ], + engineFormat: [ EngineFormat.RGB_ETC1_Format ], + engineType: [ EngineType.UnsignedByteType ], + priorityETC1S: 2, + priorityUASTC: 4, + needsPowerOfTwo: false, + }, + { + if: 'pvrtcSupported', + basisFormat: [ BasisFormat.ETC1S, BasisFormat.UASTC ], + transcoderFormat: [ TranscoderFormat.PVRTC1_4_RGB, TranscoderFormat.PVRTC1_4_RGBA ], + engineFormat: [ EngineFormat.RGB_PVRTC_4BPPV1_Format, EngineFormat.RGBA_PVRTC_4BPPV1_Format ], + engineType: [ EngineType.UnsignedByteType ], + priorityETC1S: 5, + priorityUASTC: 6, + needsPowerOfTwo: true, + }, + { + if: 'bptcSupported', + basisFormat: [ BasisFormat.UASTC_HDR ], + transcoderFormat: [ TranscoderFormat.BC6H ], + engineFormat: [ EngineFormat.RGB_BPTC_UNSIGNED_Format ], + engineType: [ EngineType.HalfFloatType ], + priorityHDR: 1, + needsPowerOfTwo: false, + }, + + // Uncompressed fallbacks. + + { + basisFormat: [ BasisFormat.ETC1S, BasisFormat.UASTC ], + transcoderFormat: [ TranscoderFormat.RGBA32, TranscoderFormat.RGBA32 ], + engineFormat: [ EngineFormat.RGBAFormat, EngineFormat.RGBAFormat ], + engineType: [ EngineType.UnsignedByteType, EngineType.UnsignedByteType ], + priorityETC1S: 100, + priorityUASTC: 100, + needsPowerOfTwo: false, + }, + { + basisFormat: [ BasisFormat.UASTC_HDR ], + transcoderFormat: [ TranscoderFormat.RGBA_HALF ], + engineFormat: [ EngineFormat.RGBAFormat ], + engineType: [ EngineType.HalfFloatType ], + priorityHDR: 100, + needsPowerOfTwo: false, + } + ]; + + const OPTIONS = { + [ BasisFormat.ETC1S ]: FORMAT_OPTIONS + .filter( ( opt ) => opt.basisFormat.includes( BasisFormat.ETC1S ) ) + .sort( ( a, b ) => a.priorityETC1S - b.priorityETC1S ), + + [ BasisFormat.UASTC ]: FORMAT_OPTIONS + .filter( ( opt ) => opt.basisFormat.includes( BasisFormat.UASTC ) ) + .sort( ( a, b ) => a.priorityUASTC - b.priorityUASTC ), + + [ BasisFormat.UASTC_HDR ]: FORMAT_OPTIONS + .filter( ( opt ) => opt.basisFormat.includes( BasisFormat.UASTC_HDR ) ) + .sort( ( a, b ) => a.priorityHDR - b.priorityHDR ), + }; + + function getTranscoderFormat( basisFormat, width, height, hasAlpha ) { + + const options = OPTIONS[ basisFormat ]; + + for ( let i = 0; i < options.length; i ++ ) { + + const opt = options[ i ]; + + if ( opt.if && ! config[ opt.if ] ) continue; + if ( ! opt.basisFormat.includes( basisFormat ) ) continue; + if ( hasAlpha && opt.transcoderFormat.length < 2 ) continue; + if ( opt.needsPowerOfTwo && ! ( isPowerOfTwo( width ) && isPowerOfTwo( height ) ) ) continue; + + const transcoderFormat = opt.transcoderFormat[ hasAlpha ? 1 : 0 ]; + const engineFormat = opt.engineFormat[ hasAlpha ? 1 : 0 ]; + const engineType = opt.engineType[ 0 ]; + + return { transcoderFormat, engineFormat, engineType }; + + } + + throw new Error( 'THREE.KTX2Loader: Failed to identify transcoding target.' ); + + } + + function isPowerOfTwo( value ) { + + if ( value <= 2 ) return true; + + return ( value & ( value - 1 ) ) === 0 && value !== 0; + + } + + /** + * Concatenates N byte arrays. + * + * @param {Uint8Array[]} arrays + * @return {Uint8Array} + */ + function concat( arrays ) { + + if ( arrays.length === 1 ) return arrays[ 0 ]; + + let totalByteLength = 0; + + for ( let i = 0; i < arrays.length; i ++ ) { + + const array = arrays[ i ]; + totalByteLength += array.byteLength; + + } + + const result = new Uint8Array( totalByteLength ); + + let byteOffset = 0; + + for ( let i = 0; i < arrays.length; i ++ ) { + + const array = arrays[ i ]; + result.set( array, byteOffset ); + + byteOffset += array.byteLength; + + } + + return result; + + } + +}; + +// Parsing for non-Basis textures. These textures may have supercompression +// like Zstd, but they do not require transcoding. + +const UNCOMPRESSED_FORMATS = new Set( [ RGBAFormat, RGBFormat, RGFormat, RedFormat ] ); + +const FORMAT_MAP = { + + [ VK_FORMAT_R32G32B32A32_SFLOAT ]: RGBAFormat, + [ VK_FORMAT_R32G32_SFLOAT ]: RGFormat, + [ VK_FORMAT_R32_SFLOAT ]: RedFormat, + + [ VK_FORMAT_R16G16B16A16_SFLOAT ]: RGBAFormat, + [ VK_FORMAT_R16G16_SFLOAT ]: RGFormat, + [ VK_FORMAT_R16_SFLOAT ]: RedFormat, + + [ VK_FORMAT_R8G8B8A8_SRGB ]: RGBAFormat, + [ VK_FORMAT_R8G8B8A8_UNORM ]: RGBAFormat, + [ VK_FORMAT_R8G8_SRGB ]: RGFormat, + [ VK_FORMAT_R8G8_UNORM ]: RGFormat, + [ VK_FORMAT_R8_SRGB ]: RedFormat, + [ VK_FORMAT_R8_UNORM ]: RedFormat, + + [ VK_FORMAT_E5B9G9R9_UFLOAT_PACK32 ]: RGBFormat, + [ VK_FORMAT_B10G11R11_UFLOAT_PACK32 ]: RGBFormat, + + [ VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK ]: RGBA_ETC2_EAC_Format, + [ VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK ]: RGB_ETC2_Format, + + [ VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT ]: RGBA_ASTC_4x4_Format, + [ VK_FORMAT_ASTC_4x4_SRGB_BLOCK ]: RGBA_ASTC_4x4_Format, + [ VK_FORMAT_ASTC_4x4_UNORM_BLOCK ]: RGBA_ASTC_4x4_Format, + [ VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK_EXT ]: RGBA_ASTC_6x6_Format, + [ VK_FORMAT_ASTC_6x6_SRGB_BLOCK ]: RGBA_ASTC_6x6_Format, + [ VK_FORMAT_ASTC_6x6_UNORM_BLOCK ]: RGBA_ASTC_6x6_Format, + + [ VK_FORMAT_BC1_RGBA_SRGB_BLOCK ]: RGBA_S3TC_DXT1_Format, + [ VK_FORMAT_BC1_RGBA_UNORM_BLOCK ]: RGBA_S3TC_DXT1_Format, + [ VK_FORMAT_BC1_RGB_SRGB_BLOCK ]: RGB_S3TC_DXT1_Format, + [ VK_FORMAT_BC1_RGB_UNORM_BLOCK ]: RGB_S3TC_DXT1_Format, + + [ VK_FORMAT_BC3_SRGB_BLOCK ]: RGBA_S3TC_DXT3_Format, + [ VK_FORMAT_BC3_UNORM_BLOCK ]: RGBA_S3TC_DXT3_Format, + + [ VK_FORMAT_BC4_SNORM_BLOCK ]: SIGNED_RED_RGTC1_Format, + [ VK_FORMAT_BC4_UNORM_BLOCK ]: RED_RGTC1_Format, + + [ VK_FORMAT_BC5_SNORM_BLOCK ]: SIGNED_RED_GREEN_RGTC2_Format, + [ VK_FORMAT_BC5_UNORM_BLOCK ]: RED_GREEN_RGTC2_Format, + + [ VK_FORMAT_BC7_SRGB_BLOCK ]: RGBA_BPTC_Format, + [ VK_FORMAT_BC7_UNORM_BLOCK ]: RGBA_BPTC_Format, + + [ VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG ]: RGBA_PVRTC_4BPPV1_Format, + [ VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG ]: RGBA_PVRTC_4BPPV1_Format, + [ VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG ]: RGBA_PVRTC_2BPPV1_Format, + [ VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG ]: RGBA_PVRTC_2BPPV1_Format, + +}; + +const TYPE_MAP = { + + [ VK_FORMAT_R32G32B32A32_SFLOAT ]: FloatType, + [ VK_FORMAT_R32G32_SFLOAT ]: FloatType, + [ VK_FORMAT_R32_SFLOAT ]: FloatType, + + [ VK_FORMAT_R16G16B16A16_SFLOAT ]: HalfFloatType, + [ VK_FORMAT_R16G16_SFLOAT ]: HalfFloatType, + [ VK_FORMAT_R16_SFLOAT ]: HalfFloatType, + + [ VK_FORMAT_R8G8B8A8_SRGB ]: UnsignedByteType, + [ VK_FORMAT_R8G8B8A8_UNORM ]: UnsignedByteType, + [ VK_FORMAT_R8G8_SRGB ]: UnsignedByteType, + [ VK_FORMAT_R8G8_UNORM ]: UnsignedByteType, + [ VK_FORMAT_R8_SRGB ]: UnsignedByteType, + [ VK_FORMAT_R8_UNORM ]: UnsignedByteType, + + [ VK_FORMAT_E5B9G9R9_UFLOAT_PACK32 ]: UnsignedInt5999Type, + [ VK_FORMAT_B10G11R11_UFLOAT_PACK32 ]: UnsignedInt101111Type, + + [ VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK ]: UnsignedByteType, + + [ VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT ]: HalfFloatType, + [ VK_FORMAT_ASTC_4x4_SRGB_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_ASTC_4x4_UNORM_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK_EXT ]: HalfFloatType, + [ VK_FORMAT_ASTC_6x6_SRGB_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_ASTC_6x6_UNORM_BLOCK ]: UnsignedByteType, + + [ VK_FORMAT_BC1_RGBA_SRGB_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_BC1_RGBA_UNORM_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_BC1_RGB_SRGB_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_BC1_RGB_UNORM_BLOCK ]: UnsignedByteType, + + [ VK_FORMAT_BC3_SRGB_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_BC3_UNORM_BLOCK ]: UnsignedByteType, + + [ VK_FORMAT_BC4_SNORM_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_BC4_UNORM_BLOCK ]: UnsignedByteType, + + [ VK_FORMAT_BC5_SNORM_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_BC5_UNORM_BLOCK ]: UnsignedByteType, + + [ VK_FORMAT_BC7_SRGB_BLOCK ]: UnsignedByteType, + [ VK_FORMAT_BC7_UNORM_BLOCK ]: UnsignedByteType, + + [ VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG ]: UnsignedByteType, + [ VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG ]: UnsignedByteType, + [ VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG ]: UnsignedByteType, + [ VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG ]: UnsignedByteType, + +}; + +async function createRawTexture( container ) { + + const { vkFormat } = container; + + if ( FORMAT_MAP[ vkFormat ] === undefined ) { + + throw new Error( 'THREE.KTX2Loader: Unsupported vkFormat: ' + vkFormat ); + + } + + // TODO: Merge the TYPE_MAP warning into the thrown error above, after r190. + if ( TYPE_MAP[ vkFormat ] === undefined ) { + + console.warn( 'THREE.KTX2Loader: Missing ".type" for vkFormat: ' + vkFormat ); + + } + + // + + let zstd; + + if ( container.supercompressionScheme === KHR_SUPERCOMPRESSION_ZSTD ) { + + if ( ! _zstd ) { + + _zstd = new Promise( async ( resolve ) => { + + const zstd = new ZSTDDecoder(); + await zstd.init(); + resolve( zstd ); + + } ); + + } + + zstd = await _zstd; + + } + + // + + const mipmaps = []; + + for ( let levelIndex = 0; levelIndex < container.levels.length; levelIndex ++ ) { + + const levelWidth = Math.max( 1, container.pixelWidth >> levelIndex ); + const levelHeight = Math.max( 1, container.pixelHeight >> levelIndex ); + const levelDepth = container.pixelDepth ? Math.max( 1, container.pixelDepth >> levelIndex ) : 0; + + const level = container.levels[ levelIndex ]; + + let levelData; + + if ( container.supercompressionScheme === KHR_SUPERCOMPRESSION_NONE ) { + + levelData = level.levelData; + + } else if ( container.supercompressionScheme === KHR_SUPERCOMPRESSION_ZSTD ) { + + levelData = zstd.decode( level.levelData, level.uncompressedByteLength ); + + } else { + + throw new Error( 'THREE.KTX2Loader: Unsupported supercompressionScheme.' ); + + } + + let data; + + if ( TYPE_MAP[ vkFormat ] === FloatType ) { + + data = new Float32Array( + + levelData.buffer, + levelData.byteOffset, + levelData.byteLength / Float32Array.BYTES_PER_ELEMENT + + ); + + } else if ( TYPE_MAP[ vkFormat ] === HalfFloatType ) { + + data = new Uint16Array( + + levelData.buffer, + levelData.byteOffset, + levelData.byteLength / Uint16Array.BYTES_PER_ELEMENT + + ); + + } else if ( TYPE_MAP[ vkFormat ] === UnsignedInt5999Type || TYPE_MAP[ vkFormat ] === UnsignedInt101111Type ) { + + data = new Uint32Array( + + levelData.buffer, + levelData.byteOffset, + levelData.byteLength / Uint32Array.BYTES_PER_ELEMENT + + ); + + } else { + + data = levelData; + + } + + mipmaps.push( { + + data: data, + width: levelWidth, + height: levelHeight, + depth: levelDepth, + + } ); + + } + + // levelCount = 0 implies runtime-generated mipmaps. + const useMipmaps = container.levelCount === 0 || mipmaps.length > 1; + + let texture; + + if ( UNCOMPRESSED_FORMATS.has( FORMAT_MAP[ vkFormat ] ) ) { + + texture = container.pixelDepth === 0 + ? new DataTexture( mipmaps[ 0 ].data, container.pixelWidth, container.pixelHeight ) + : new Data3DTexture( mipmaps[ 0 ].data, container.pixelWidth, container.pixelHeight, container.pixelDepth ); + texture.minFilter = useMipmaps ? NearestMipmapNearestFilter : NearestFilter; + texture.magFilter = NearestFilter; + texture.generateMipmaps = container.levelCount === 0; + + } else { + + if ( container.pixelDepth > 0 ) throw new Error( 'THREE.KTX2Loader: Unsupported pixelDepth.' ); + + texture = new CompressedTexture( mipmaps, container.pixelWidth, container.pixelHeight ); + texture.minFilter = useMipmaps ? LinearMipmapLinearFilter : LinearFilter; + texture.magFilter = LinearFilter; + + } + + texture.mipmaps = mipmaps; + + texture.type = TYPE_MAP[ vkFormat ]; + texture.format = FORMAT_MAP[ vkFormat ]; + texture.colorSpace = parseColorSpace( container ); + texture.needsUpdate = true; + + // + + return Promise.resolve( texture ); + +} + +function parseColorSpace( container ) { + + const dfd = container.dataFormatDescriptor[ 0 ]; + + if ( dfd.colorPrimaries === KHR_DF_PRIMARIES_BT709 ) { + + return dfd.transferFunction === KHR_DF_TRANSFER_SRGB ? SRGBColorSpace : LinearSRGBColorSpace; + + } else if ( dfd.colorPrimaries === KHR_DF_PRIMARIES_DISPLAYP3 ) { + + return dfd.transferFunction === KHR_DF_TRANSFER_SRGB ? DisplayP3ColorSpace : LinearDisplayP3ColorSpace; + + } else if ( dfd.colorPrimaries === KHR_DF_PRIMARIES_UNSPECIFIED ) { + + return NoColorSpace; + + } else { + + console.warn( `THREE.KTX2Loader: Unsupported color primaries, "${ dfd.colorPrimaries }"` ); + return NoColorSpace; + + } + +} + +export { KTX2Loader }; diff --git a/node_modules/three/examples/jsm/loaders/KTXLoader.js b/node_modules/three/examples/jsm/loaders/KTXLoader.js new file mode 100644 index 0000000..baf1eca --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/KTXLoader.js @@ -0,0 +1,197 @@ +import { + CompressedTextureLoader +} from 'three'; + +/** + * A loader for the KTX texture compression format. + * + * References: + * - [The KTX File Format and Tools](https://www.khronos.org/opengles/sdk/tools/KTX/) + * - [Babylon.JS khronosTextureContainer.ts](https://github.com/BabylonJS/Babylon.js/blob/master/src/Misc/khronosTextureContainer.ts) + * + * ```js + * const loader = new KTXLoader(); + * + * const map = loader.load( 'textures/compressed/lensflare_ASTC8x8.ktx' ) + * map.colorSpace = THREE.SRGBColorSpace; // only for color textures + * ``` + * + * @augments CompressedTextureLoader + * @three_import import { KTXLoader } from 'three/addons/loaders/KTXLoader.js'; + */ +class KTXLoader extends CompressedTextureLoader { + + /** + * Constructs a new KTX loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Parses the given KTX texture data. + * + * @param {ArrayBuffer} buffer - The raw texture data. + * @param {boolean} loadMipmaps - Whether to load mipmaps or not. + * @return {CompressedTextureLoader~TexData} An object representing the parsed texture data. + */ + parse( buffer, loadMipmaps ) { + + const ktx = new KhronosTextureContainer( buffer, 1 ); + + return { + mipmaps: ktx.mipmaps( loadMipmaps ), + width: ktx.pixelWidth, + height: ktx.pixelHeight, + format: ktx.glInternalFormat, + isCubemap: ktx.numberOfFaces === 6, + mipmapCount: ktx.numberOfMipmapLevels + }; + + } + +} + +const HEADER_LEN = 12 + ( 13 * 4 ); // identifier + header elements (not including key value meta-data pairs) +// load types +const COMPRESSED_2D = 0; // uses a gl.compressedTexImage2D() +//const COMPRESSED_3D = 1; // uses a gl.compressedTexImage3D() +//const TEX_2D = 2; // uses a gl.texImage2D() +//const TEX_3D = 3; // uses a gl.texImage3D() + +class KhronosTextureContainer { + + /** + * @private + * @param {ArrayBuffer} arrayBuffer - contents of the KTX container file + * @param {number} facesExpected - should be either 1 or 6, based whether a cube texture or or + * @param {boolean} threeDExpected - provision for indicating that data should be a 3D texture, not implemented + * @param {boolean} textureArrayExpected - provision for indicating that data should be a texture array, not implemented + */ + constructor( arrayBuffer, facesExpected /*, threeDExpected, textureArrayExpected */ ) { + + this.arrayBuffer = arrayBuffer; + + // Test that it is a ktx formatted file, based on the first 12 bytes, character representation is: + // '´', 'K', 'T', 'X', ' ', '1', '1', 'ª', '\r', '\n', '\x1A', '\n' + // 0xAB, 0x4B, 0x54, 0x58, 0x20, 0x31, 0x31, 0xBB, 0x0D, 0x0A, 0x1A, 0x0A + const identifier = new Uint8Array( this.arrayBuffer, 0, 12 ); + if ( identifier[ 0 ] !== 0xAB || + identifier[ 1 ] !== 0x4B || + identifier[ 2 ] !== 0x54 || + identifier[ 3 ] !== 0x58 || + identifier[ 4 ] !== 0x20 || + identifier[ 5 ] !== 0x31 || + identifier[ 6 ] !== 0x31 || + identifier[ 7 ] !== 0xBB || + identifier[ 8 ] !== 0x0D || + identifier[ 9 ] !== 0x0A || + identifier[ 10 ] !== 0x1A || + identifier[ 11 ] !== 0x0A ) { + + console.error( 'texture missing KTX identifier' ); + return; + + } + + // load the reset of the header in native 32 bit uint + const dataSize = Uint32Array.BYTES_PER_ELEMENT; + const headerDataView = new DataView( this.arrayBuffer, 12, 13 * dataSize ); + const endianness = headerDataView.getUint32( 0, true ); + const littleEndian = endianness === 0x04030201; + + this.glType = headerDataView.getUint32( 1 * dataSize, littleEndian ); // must be 0 for compressed textures + this.glTypeSize = headerDataView.getUint32( 2 * dataSize, littleEndian ); // must be 1 for compressed textures + this.glFormat = headerDataView.getUint32( 3 * dataSize, littleEndian ); // must be 0 for compressed textures + this.glInternalFormat = headerDataView.getUint32( 4 * dataSize, littleEndian ); // the value of arg passed to gl.compressedTexImage2D(,,x,,,,) + this.glBaseInternalFormat = headerDataView.getUint32( 5 * dataSize, littleEndian ); // specify GL_RGB, GL_RGBA, GL_ALPHA, etc (un-compressed only) + this.pixelWidth = headerDataView.getUint32( 6 * dataSize, littleEndian ); // level 0 value of arg passed to gl.compressedTexImage2D(,,,x,,,) + this.pixelHeight = headerDataView.getUint32( 7 * dataSize, littleEndian ); // level 0 value of arg passed to gl.compressedTexImage2D(,,,,x,,) + this.pixelDepth = headerDataView.getUint32( 8 * dataSize, littleEndian ); // level 0 value of arg passed to gl.compressedTexImage3D(,,,,,x,,) + this.numberOfArrayElements = headerDataView.getUint32( 9 * dataSize, littleEndian ); // used for texture arrays + this.numberOfFaces = headerDataView.getUint32( 10 * dataSize, littleEndian ); // used for cubemap textures, should either be 1 or 6 + this.numberOfMipmapLevels = headerDataView.getUint32( 11 * dataSize, littleEndian ); // number of levels; disregard possibility of 0 for compressed textures + this.bytesOfKeyValueData = headerDataView.getUint32( 12 * dataSize, littleEndian ); // the amount of space after the header for meta-data + + // Make sure we have a compressed type. Not only reduces work, but probably better to let dev know they are not compressing. + if ( this.glType !== 0 ) { + + console.warn( 'only compressed formats currently supported' ); + return; + + } else { + + // value of zero is an indication to generate mipmaps @ runtime. Not usually allowed for compressed, so disregard. + this.numberOfMipmapLevels = Math.max( 1, this.numberOfMipmapLevels ); + + } + + if ( this.pixelHeight === 0 || this.pixelDepth !== 0 ) { + + console.warn( 'only 2D textures currently supported' ); + return; + + } + + if ( this.numberOfArrayElements !== 0 ) { + + console.warn( 'texture arrays not currently supported' ); + return; + + } + + if ( this.numberOfFaces !== facesExpected ) { + + console.warn( 'number of faces expected' + facesExpected + ', but found ' + this.numberOfFaces ); + return; + + } + + // we now have a completely validated file, so could use existence of loadType as success + // would need to make this more elaborate & adjust checks above to support more than one load type + this.loadType = COMPRESSED_2D; + + } + + mipmaps( loadMipmaps ) { + + const mipmaps = []; + + // initialize width & height for level 1 + let dataOffset = HEADER_LEN + this.bytesOfKeyValueData; + let width = this.pixelWidth; + let height = this.pixelHeight; + const mipmapCount = loadMipmaps ? this.numberOfMipmapLevels : 1; + + for ( let level = 0; level < mipmapCount; level ++ ) { + + const imageSize = new Int32Array( this.arrayBuffer, dataOffset, 1 )[ 0 ]; // size per face, since not supporting array cubemaps + dataOffset += 4; // size of the image + 4 for the imageSize field + + for ( let face = 0; face < this.numberOfFaces; face ++ ) { + + const byteArray = new Uint8Array( this.arrayBuffer, dataOffset, imageSize ); + + mipmaps.push( { 'data': byteArray, 'width': width, 'height': height } ); + + dataOffset += imageSize; + dataOffset += 3 - ( ( imageSize + 3 ) % 4 ); // add padding for odd sized image + + } + + width = Math.max( 1.0, width * 0.5 ); + height = Math.max( 1.0, height * 0.5 ); + + } + + return mipmaps; + + } + +} + +export { KTXLoader }; diff --git a/node_modules/three/examples/jsm/loaders/LDrawLoader.js b/node_modules/three/examples/jsm/loaders/LDrawLoader.js new file mode 100644 index 0000000..ae3e1ed --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/LDrawLoader.js @@ -0,0 +1,2519 @@ +import { + BufferAttribute, + BufferGeometry, + Color, + FileLoader, + Group, + LineBasicMaterial, + LineSegments, + Loader, + Matrix4, + Mesh, + MeshStandardMaterial, + SRGBColorSpace, + Vector3, + Ray +} from 'three'; + +// Special surface finish tag types. +// Note: "MATERIAL" tag (e.g. GLITTER, SPECKLE) is not implemented +const FINISH_TYPE_DEFAULT = 0; +const FINISH_TYPE_CHROME = 1; +const FINISH_TYPE_PEARLESCENT = 2; +const FINISH_TYPE_RUBBER = 3; +const FINISH_TYPE_MATTE_METALLIC = 4; +const FINISH_TYPE_METAL = 5; + +// State machine to search a subobject path. +// The LDraw standard establishes these various possible subfolders. +const FILE_LOCATION_TRY_PARTS = 0; +const FILE_LOCATION_TRY_P = 1; +const FILE_LOCATION_TRY_MODELS = 2; +const FILE_LOCATION_AS_IS = 3; +const FILE_LOCATION_TRY_RELATIVE = 4; +const FILE_LOCATION_TRY_ABSOLUTE = 5; +const FILE_LOCATION_NOT_FOUND = 6; + +const MAIN_COLOUR_CODE = '16'; +const MAIN_EDGE_COLOUR_CODE = '24'; + +const COLOR_SPACE_LDRAW = SRGBColorSpace; + +const _tempVec0 = new Vector3(); +const _tempVec1 = new Vector3(); + + +class ConditionalLineSegments extends LineSegments { + + constructor( geometry, material ) { + + super( geometry, material ); + this.isConditionalLine = true; + + } + +} + +function generateFaceNormals( faces ) { + + for ( let i = 0, l = faces.length; i < l; i ++ ) { + + const face = faces[ i ]; + const vertices = face.vertices; + const v0 = vertices[ 0 ]; + const v1 = vertices[ 1 ]; + const v2 = vertices[ 2 ]; + + _tempVec0.subVectors( v1, v0 ); + _tempVec1.subVectors( v2, v1 ); + face.faceNormal = new Vector3() + .crossVectors( _tempVec0, _tempVec1 ) + .normalize(); + + } + +} + +const _ray = new Ray(); +function smoothNormals( faces, lineSegments, checkSubSegments = false ) { + + // NOTE: 1e2 is pretty coarse but was chosen to quantize the resulting value because + // it allows edges to be smoothed as expected (see minifig arms). + // -- + // And the vector values are initialize multiplied by 1 + 1e-10 to account for floating + // point errors on vertices along quantization boundaries. Ie after matrix multiplication + // vertices that should be merged might be set to "1.7" and "1.6999..." meaning they won't + // get merged. This added epsilon attempts to push these error values to the same quantized + // value for the sake of hashing. See "AT-ST mini" dishes. See mrdoob/three#23169. + + const hashMultiplier = ( 1 + 1e-10 ) * 1e2; + function hashVertex( v ) { + + const x = ~ ~ ( v.x * hashMultiplier ); + const y = ~ ~ ( v.y * hashMultiplier ); + const z = ~ ~ ( v.z * hashMultiplier ); + + return `${ x },${ y },${ z }`; + + } + + function hashEdge( v0, v1 ) { + + return `${ hashVertex( v0 ) }_${ hashVertex( v1 ) }`; + + } + + // converts the two vertices to a ray with a normalized direction and origin of 0, 0, 0 projected + // onto the original line. + function toNormalizedRay( v0, v1, targetRay ) { + + targetRay.direction.subVectors( v1, v0 ).normalize(); + + const scalar = v0.dot( targetRay.direction ); + targetRay.origin.copy( v0 ).addScaledVector( targetRay.direction, - scalar ); + + return targetRay; + + } + + function hashRay( ray ) { + + return hashEdge( ray.origin, ray.direction ); + + } + + const hardEdges = new Set(); + const hardEdgeRays = new Map(); + const halfEdgeList = {}; + const normals = []; + + // Save the list of hard edges by hash + for ( let i = 0, l = lineSegments.length; i < l; i ++ ) { + + const ls = lineSegments[ i ]; + const vertices = ls.vertices; + const v0 = vertices[ 0 ]; + const v1 = vertices[ 1 ]; + hardEdges.add( hashEdge( v0, v1 ) ); + hardEdges.add( hashEdge( v1, v0 ) ); + + // only generate the hard edge ray map if we're checking subsegments because it's more expensive to check + // and requires more memory. + if ( checkSubSegments ) { + + // add both ray directions to the map + const ray = toNormalizedRay( v0, v1, new Ray() ); + const rh1 = hashRay( ray ); + if ( ! hardEdgeRays.has( rh1 ) ) { + + toNormalizedRay( v1, v0, ray ); + const rh2 = hashRay( ray ); + + const info = { + ray, + distances: [], + }; + + hardEdgeRays.set( rh1, info ); + hardEdgeRays.set( rh2, info ); + + } + + // store both segments ends in min, max order in the distances array to check if a face edge is a + // subsegment later. + const info = hardEdgeRays.get( rh1 ); + let d0 = info.ray.direction.dot( v0 ); + let d1 = info.ray.direction.dot( v1 ); + if ( d0 > d1 ) { + + [ d0, d1 ] = [ d1, d0 ]; + + } + + info.distances.push( d0, d1 ); + + } + + } + + // track the half edges associated with each triangle + for ( let i = 0, l = faces.length; i < l; i ++ ) { + + const tri = faces[ i ]; + const vertices = tri.vertices; + const vertCount = vertices.length; + for ( let i2 = 0; i2 < vertCount; i2 ++ ) { + + const index = i2; + const next = ( i2 + 1 ) % vertCount; + const v0 = vertices[ index ]; + const v1 = vertices[ next ]; + const hash = hashEdge( v0, v1 ); + + // don't add the triangle if the edge is supposed to be hard + if ( hardEdges.has( hash ) ) { + + continue; + + } + + // if checking subsegments then check to see if this edge lies on a hard edge ray and whether its within any ray bounds + if ( checkSubSegments ) { + + toNormalizedRay( v0, v1, _ray ); + + const rayHash = hashRay( _ray ); + if ( hardEdgeRays.has( rayHash ) ) { + + const info = hardEdgeRays.get( rayHash ); + const { ray, distances } = info; + let d0 = ray.direction.dot( v0 ); + let d1 = ray.direction.dot( v1 ); + + if ( d0 > d1 ) { + + [ d0, d1 ] = [ d1, d0 ]; + + } + + // return early if the face edge is found to be a subsegment of a line edge meaning the edge will have "hard" normals + let found = false; + for ( let i = 0, l = distances.length; i < l; i += 2 ) { + + if ( d0 >= distances[ i ] && d1 <= distances[ i + 1 ] ) { + + found = true; + break; + + } + + } + + if ( found ) { + + continue; + + } + + } + + } + + const info = { + index: index, + tri: tri + }; + halfEdgeList[ hash ] = info; + + } + + } + + // Iterate until we've tried to connect all faces to share normals + while ( true ) { + + // Stop if there are no more faces left + let halfEdge = null; + for ( const key in halfEdgeList ) { + + halfEdge = halfEdgeList[ key ]; + break; + + } + + if ( halfEdge === null ) { + + break; + + } + + // Exhaustively find all connected faces + const queue = [ halfEdge ]; + while ( queue.length > 0 ) { + + // initialize all vertex normals in this triangle + const tri = queue.pop().tri; + const vertices = tri.vertices; + const vertNormals = tri.normals; + const faceNormal = tri.faceNormal; + + // Check if any edge is connected to another triangle edge + const vertCount = vertices.length; + for ( let i2 = 0; i2 < vertCount; i2 ++ ) { + + const index = i2; + const next = ( i2 + 1 ) % vertCount; + const v0 = vertices[ index ]; + const v1 = vertices[ next ]; + + // delete this triangle from the list so it won't be found again + const hash = hashEdge( v0, v1 ); + delete halfEdgeList[ hash ]; + + const reverseHash = hashEdge( v1, v0 ); + const otherInfo = halfEdgeList[ reverseHash ]; + if ( otherInfo ) { + + const otherTri = otherInfo.tri; + const otherIndex = otherInfo.index; + const otherNormals = otherTri.normals; + const otherVertCount = otherNormals.length; + const otherFaceNormal = otherTri.faceNormal; + + // NOTE: If the angle between faces is > 67.5 degrees then assume it's + // hard edge. There are some cases where the line segments do not line up exactly + // with or span multiple triangle edges (see Lunar Vehicle wheels). + if ( Math.abs( otherTri.faceNormal.dot( tri.faceNormal ) ) < 0.25 ) { + + continue; + + } + + // if this triangle has already been traversed then it won't be in + // the halfEdgeList. If it has not then add it to the queue and delete + // it so it won't be found again. + if ( reverseHash in halfEdgeList ) { + + queue.push( otherInfo ); + delete halfEdgeList[ reverseHash ]; + + } + + // share the first normal + const otherNext = ( otherIndex + 1 ) % otherVertCount; + if ( + vertNormals[ index ] && otherNormals[ otherNext ] && + vertNormals[ index ] !== otherNormals[ otherNext ] + ) { + + otherNormals[ otherNext ].norm.add( vertNormals[ index ].norm ); + vertNormals[ index ].norm = otherNormals[ otherNext ].norm; + + } + + let sharedNormal1 = vertNormals[ index ] || otherNormals[ otherNext ]; + if ( sharedNormal1 === null ) { + + // it's possible to encounter an edge of a triangle that has already been traversed meaning + // both edges already have different normals defined and shared. To work around this we create + // a wrapper object so when those edges are merged the normals can be updated everywhere. + sharedNormal1 = { norm: new Vector3() }; + normals.push( sharedNormal1.norm ); + + } + + if ( vertNormals[ index ] === null ) { + + vertNormals[ index ] = sharedNormal1; + sharedNormal1.norm.add( faceNormal ); + + } + + if ( otherNormals[ otherNext ] === null ) { + + otherNormals[ otherNext ] = sharedNormal1; + sharedNormal1.norm.add( otherFaceNormal ); + + } + + // share the second normal + if ( + vertNormals[ next ] && otherNormals[ otherIndex ] && + vertNormals[ next ] !== otherNormals[ otherIndex ] + ) { + + otherNormals[ otherIndex ].norm.add( vertNormals[ next ].norm ); + vertNormals[ next ].norm = otherNormals[ otherIndex ].norm; + + } + + let sharedNormal2 = vertNormals[ next ] || otherNormals[ otherIndex ]; + if ( sharedNormal2 === null ) { + + sharedNormal2 = { norm: new Vector3() }; + normals.push( sharedNormal2.norm ); + + } + + if ( vertNormals[ next ] === null ) { + + vertNormals[ next ] = sharedNormal2; + sharedNormal2.norm.add( faceNormal ); + + } + + if ( otherNormals[ otherIndex ] === null ) { + + otherNormals[ otherIndex ] = sharedNormal2; + sharedNormal2.norm.add( otherFaceNormal ); + + } + + } + + } + + } + + } + + // The normals of each face have been added up so now we average them by normalizing the vector. + for ( let i = 0, l = normals.length; i < l; i ++ ) { + + normals[ i ].normalize(); + + } + +} + +function isPartType( type ) { + + return type === 'Part' || type === 'Unofficial_Part'; + +} + +function isPrimitiveType( type ) { + + return /primitive/i.test( type ) || type === 'Subpart'; + +} + +class LineParser { + + constructor( line, lineNumber ) { + + this.line = line; + this.lineLength = line.length; + this.currentCharIndex = 0; + this.currentChar = ' '; + this.lineNumber = lineNumber; + + } + + seekNonSpace() { + + while ( this.currentCharIndex < this.lineLength ) { + + this.currentChar = this.line.charAt( this.currentCharIndex ); + + if ( this.currentChar !== ' ' && this.currentChar !== '\t' ) { + + return; + + } + + this.currentCharIndex ++; + + } + + } + + getToken() { + + const pos0 = this.currentCharIndex ++; + + // Seek space + while ( this.currentCharIndex < this.lineLength ) { + + this.currentChar = this.line.charAt( this.currentCharIndex ); + + if ( this.currentChar === ' ' || this.currentChar === '\t' ) { + + break; + + } + + this.currentCharIndex ++; + + } + + const pos1 = this.currentCharIndex; + + this.seekNonSpace(); + + return this.line.substring( pos0, pos1 ); + + } + + getVector() { + + return new Vector3( parseFloat( this.getToken() ), parseFloat( this.getToken() ), parseFloat( this.getToken() ) ); + + } + + getRemainingString() { + + return this.line.substring( this.currentCharIndex, this.lineLength ); + + } + + isAtTheEnd() { + + return this.currentCharIndex >= this.lineLength; + + } + + setToEnd() { + + this.currentCharIndex = this.lineLength; + + } + + getLineNumberString() { + + return this.lineNumber >= 0 ? ' at line ' + this.lineNumber : ''; + + } + +} + +// Fetches and parses an intermediate representation of LDraw parts files. +class LDrawParsedCache { + + constructor( loader ) { + + this.loader = loader; + this._cache = {}; + + } + + cloneResult( original ) { + + const result = {}; + + // vertices are transformed and normals computed before being converted to geometry + // so these pieces must be cloned. + result.faces = original.faces.map( face => { + + return { + colorCode: face.colorCode, + material: face.material, + vertices: face.vertices.map( v => v.clone() ), + normals: face.normals.map( () => null ), + faceNormal: null + }; + + } ); + + result.conditionalSegments = original.conditionalSegments.map( face => { + + return { + colorCode: face.colorCode, + material: face.material, + vertices: face.vertices.map( v => v.clone() ), + controlPoints: face.controlPoints.map( v => v.clone() ) + }; + + } ); + + result.lineSegments = original.lineSegments.map( face => { + + return { + colorCode: face.colorCode, + material: face.material, + vertices: face.vertices.map( v => v.clone() ) + }; + + } ); + + // none if this is subsequently modified + result.type = original.type; + result.category = original.category; + result.keywords = original.keywords; + result.author = original.author; + result.subobjects = original.subobjects; + result.fileName = original.fileName; + result.totalFaces = original.totalFaces; + result.startingBuildingStep = original.startingBuildingStep; + result.materials = original.materials; + result.group = null; + return result; + + } + + async fetchData( fileName ) { + + let triedLowerCase = false; + let locationState = FILE_LOCATION_TRY_PARTS; + while ( locationState !== FILE_LOCATION_NOT_FOUND ) { + + let subobjectURL = fileName; + switch ( locationState ) { + + case FILE_LOCATION_AS_IS: + locationState = locationState + 1; + break; + + case FILE_LOCATION_TRY_PARTS: + subobjectURL = 'parts/' + subobjectURL; + locationState = locationState + 1; + break; + + case FILE_LOCATION_TRY_P: + subobjectURL = 'p/' + subobjectURL; + locationState = locationState + 1; + break; + + case FILE_LOCATION_TRY_MODELS: + subobjectURL = 'models/' + subobjectURL; + locationState = locationState + 1; + break; + + case FILE_LOCATION_TRY_RELATIVE: + subobjectURL = fileName.substring( 0, fileName.lastIndexOf( '/' ) + 1 ) + subobjectURL; + locationState = locationState + 1; + break; + + case FILE_LOCATION_TRY_ABSOLUTE: + + if ( triedLowerCase ) { + + // Try absolute path + locationState = FILE_LOCATION_NOT_FOUND; + + } else { + + // Next attempt is lower case + fileName = fileName.toLowerCase(); + subobjectURL = fileName; + triedLowerCase = true; + locationState = FILE_LOCATION_TRY_PARTS; + + } + + break; + + } + + const loader = this.loader; + const fileLoader = new FileLoader( loader.manager ); + fileLoader.setPath( loader.partsLibraryPath ); + fileLoader.setRequestHeader( loader.requestHeader ); + fileLoader.setWithCredentials( loader.withCredentials ); + + try { + + const text = await fileLoader.loadAsync( subobjectURL ); + return text; + + } catch ( _ ) { + + continue; + + } + + } + + throw new Error( 'LDrawLoader: Subobject "' + fileName + '" could not be loaded.' ); + + } + + parse( text, fileName = null ) { + + const loader = this.loader; + + // final results + const faces = []; + const lineSegments = []; + const conditionalSegments = []; + const subobjects = []; + const materials = {}; + + const getLocalMaterial = colorCode => { + + return materials[ colorCode ] || null; + + }; + + let type = 'Model'; + let category = null; + let keywords = null; + let author = null; + let totalFaces = 0; + + // split into lines + if ( text.indexOf( '\r\n' ) !== - 1 ) { + + // This is faster than String.split with regex that splits on both + text = text.replace( /\r\n/g, '\n' ); + + } + + const lines = text.split( '\n' ); + const numLines = lines.length; + + let parsingEmbeddedFiles = false; + let currentEmbeddedFileName = null; + let currentEmbeddedText = null; + + let bfcCertified = false; + let bfcCCW = true; + let bfcInverted = false; + let bfcCull = true; + + let startingBuildingStep = false; + + // Parse all line commands + for ( let lineIndex = 0; lineIndex < numLines; lineIndex ++ ) { + + const line = lines[ lineIndex ]; + + if ( line.length === 0 ) continue; + + if ( parsingEmbeddedFiles ) { + + if ( line.startsWith( '0 FILE ' ) ) { + + // Save previous embedded file in the cache + this.setData( currentEmbeddedFileName, currentEmbeddedText ); + + // New embedded text file + currentEmbeddedFileName = line.substring( 7 ); + currentEmbeddedText = ''; + + } else { + + currentEmbeddedText += line + '\n'; + + } + + continue; + + } + + const lp = new LineParser( line, lineIndex + 1 ); + lp.seekNonSpace(); + + if ( lp.isAtTheEnd() ) { + + // Empty line + continue; + + } + + // Parse the line type + const lineType = lp.getToken(); + + let material; + let colorCode; + let segment; + let ccw; + let doubleSided; + let v0, v1, v2, v3, c0, c1; + + switch ( lineType ) { + + // Line type 0: Comment or META + case '0': + + // Parse meta directive + const meta = lp.getToken(); + + if ( meta ) { + + switch ( meta ) { + + case '!LDRAW_ORG': + + type = lp.getToken(); + break; + + case '!COLOUR': + + material = loader.parseColorMetaDirective( lp ); + if ( material ) { + + materials[ material.userData.code ] = material; + + } else { + + console.warn( 'LDrawLoader: Error parsing material' + lp.getLineNumberString() ); + + } + + break; + + case '!CATEGORY': + + category = lp.getToken(); + break; + + case '!KEYWORDS': + + const newKeywords = lp.getRemainingString().split( ',' ); + if ( newKeywords.length > 0 ) { + + if ( ! keywords ) { + + keywords = []; + + } + + newKeywords.forEach( function ( keyword ) { + + keywords.push( keyword.trim() ); + + } ); + + } + + break; + + case 'FILE': + + if ( lineIndex > 0 ) { + + // Start embedded text files parsing + parsingEmbeddedFiles = true; + currentEmbeddedFileName = lp.getRemainingString(); + currentEmbeddedText = ''; + + bfcCertified = false; + bfcCCW = true; + + } + + break; + + case 'BFC': + + // Changes to the backface culling state + while ( ! lp.isAtTheEnd() ) { + + const token = lp.getToken(); + + switch ( token ) { + + case 'CERTIFY': + case 'NOCERTIFY': + + bfcCertified = token === 'CERTIFY'; + bfcCCW = true; + + break; + + case 'CW': + case 'CCW': + + bfcCCW = token === 'CCW'; + + break; + + case 'INVERTNEXT': + + bfcInverted = true; + + break; + + case 'CLIP': + case 'NOCLIP': + + bfcCull = token === 'CLIP'; + + break; + + default: + + console.warn( 'THREE.LDrawLoader: BFC directive "' + token + '" is unknown.' ); + + break; + + } + + } + + break; + + case 'STEP': + + startingBuildingStep = true; + + break; + + case 'Author:': + + author = lp.getToken(); + + break; + + default: + // Other meta directives are not implemented + break; + + } + + } + + break; + + // Line type 1: Sub-object file + case '1': + + colorCode = lp.getToken(); + material = getLocalMaterial( colorCode ); + + const posX = parseFloat( lp.getToken() ); + const posY = parseFloat( lp.getToken() ); + const posZ = parseFloat( lp.getToken() ); + const m0 = parseFloat( lp.getToken() ); + const m1 = parseFloat( lp.getToken() ); + const m2 = parseFloat( lp.getToken() ); + const m3 = parseFloat( lp.getToken() ); + const m4 = parseFloat( lp.getToken() ); + const m5 = parseFloat( lp.getToken() ); + const m6 = parseFloat( lp.getToken() ); + const m7 = parseFloat( lp.getToken() ); + const m8 = parseFloat( lp.getToken() ); + + const matrix = new Matrix4().set( + m0, m1, m2, posX, + m3, m4, m5, posY, + m6, m7, m8, posZ, + 0, 0, 0, 1 + ); + + let fileName = lp.getRemainingString().trim().replace( /\\/g, '/' ); + + if ( loader.fileMap[ fileName ] ) { + + // Found the subobject path in the preloaded file path map + fileName = loader.fileMap[ fileName ]; + + } else { + + // Standardized subfolders + if ( fileName.startsWith( 's/' ) ) { + + fileName = 'parts/' + fileName; + + } else if ( fileName.startsWith( '48/' ) ) { + + fileName = 'p/' + fileName; + + } + + } + + subobjects.push( { + material: material, + colorCode: colorCode, + matrix: matrix, + fileName: fileName, + inverted: bfcInverted, + startingBuildingStep: startingBuildingStep + } ); + + startingBuildingStep = false; + bfcInverted = false; + + break; + + // Line type 2: Line segment + case '2': + + colorCode = lp.getToken(); + material = getLocalMaterial( colorCode ); + v0 = lp.getVector(); + v1 = lp.getVector(); + + segment = { + material: material, + colorCode: colorCode, + vertices: [ v0, v1 ], + }; + + lineSegments.push( segment ); + + break; + + // Line type 5: Conditional Line segment + case '5': + + colorCode = lp.getToken(); + material = getLocalMaterial( colorCode ); + v0 = lp.getVector(); + v1 = lp.getVector(); + c0 = lp.getVector(); + c1 = lp.getVector(); + + segment = { + material: material, + colorCode: colorCode, + vertices: [ v0, v1 ], + controlPoints: [ c0, c1 ], + }; + + conditionalSegments.push( segment ); + + break; + + // Line type 3: Triangle + case '3': + + colorCode = lp.getToken(); + material = getLocalMaterial( colorCode ); + ccw = bfcCCW; + doubleSided = ! bfcCertified || ! bfcCull; + + if ( ccw === true ) { + + v0 = lp.getVector(); + v1 = lp.getVector(); + v2 = lp.getVector(); + + } else { + + v2 = lp.getVector(); + v1 = lp.getVector(); + v0 = lp.getVector(); + + } + + faces.push( { + material: material, + colorCode: colorCode, + faceNormal: null, + vertices: [ v0, v1, v2 ], + normals: [ null, null, null ], + } ); + totalFaces ++; + + if ( doubleSided === true ) { + + faces.push( { + material: material, + colorCode: colorCode, + faceNormal: null, + vertices: [ v2, v1, v0 ], + normals: [ null, null, null ], + } ); + totalFaces ++; + + } + + break; + + // Line type 4: Quadrilateral + case '4': + + colorCode = lp.getToken(); + material = getLocalMaterial( colorCode ); + ccw = bfcCCW; + doubleSided = ! bfcCertified || ! bfcCull; + + if ( ccw === true ) { + + v0 = lp.getVector(); + v1 = lp.getVector(); + v2 = lp.getVector(); + v3 = lp.getVector(); + + } else { + + v3 = lp.getVector(); + v2 = lp.getVector(); + v1 = lp.getVector(); + v0 = lp.getVector(); + + } + + // specifically place the triangle diagonal in the v0 and v1 slots so we can + // account for the doubling of vertices later when smoothing normals. + faces.push( { + material: material, + colorCode: colorCode, + faceNormal: null, + vertices: [ v0, v1, v2, v3 ], + normals: [ null, null, null, null ], + } ); + totalFaces += 2; + + if ( doubleSided === true ) { + + faces.push( { + material: material, + colorCode: colorCode, + faceNormal: null, + vertices: [ v3, v2, v1, v0 ], + normals: [ null, null, null, null ], + } ); + totalFaces += 2; + + } + + break; + + default: + throw new Error( 'LDrawLoader: Unknown line type "' + lineType + '"' + lp.getLineNumberString() + '.' ); + + } + + } + + if ( parsingEmbeddedFiles ) { + + this.setData( currentEmbeddedFileName, currentEmbeddedText ); + + } + + return { + faces, + conditionalSegments, + lineSegments, + type, + category, + keywords, + author, + subobjects, + totalFaces, + startingBuildingStep, + materials, + fileName, + group: null + }; + + } + + // returns an (optionally cloned) instance of the data + getData( fileName, clone = true ) { + + const key = fileName.toLowerCase(); + const result = this._cache[ key ]; + if ( result === null || result instanceof Promise ) { + + return null; + + } + + if ( clone ) { + + return this.cloneResult( result ); + + } else { + + return result; + + } + + } + + // kicks off a fetch and parse of the requested data if it hasn't already been loaded. Returns when + // the data is ready to use and can be retrieved synchronously with "getData". + async ensureDataLoaded( fileName ) { + + const key = fileName.toLowerCase(); + if ( ! ( key in this._cache ) ) { + + // replace the promise with a copy of the parsed data for immediate processing + this._cache[ key ] = this.fetchData( fileName ).then( text => { + + const info = this.parse( text, fileName ); + this._cache[ key ] = info; + return info; + + } ); + + } + + await this._cache[ key ]; + + } + + // sets the data in the cache from parsed data + setData( fileName, text ) { + + const key = fileName.toLowerCase(); + this._cache[ key ] = this.parse( text, fileName ); + + } + +} + +// returns the material for an associated color code. If the color code is 16 for a face or 24 for +// an edge then the passthroughColorCode is used. +function getMaterialFromCode( colorCode, parentColorCode, materialHierarchy, forEdge ) { + + const isPassthrough = ! forEdge && colorCode === MAIN_COLOUR_CODE || forEdge && colorCode === MAIN_EDGE_COLOUR_CODE; + if ( isPassthrough ) { + + colorCode = parentColorCode; + + } + + return materialHierarchy[ colorCode ] || null; + +} + +// Class used to parse and build LDraw parts as three.js objects and cache them if they're a "Part" type. +class LDrawPartsGeometryCache { + + constructor( loader ) { + + this.loader = loader; + this.parseCache = new LDrawParsedCache( loader ); + this._cache = {}; + + } + + // Convert the given file information into a mesh by processing subobjects. + async processIntoMesh( info ) { + + const loader = this.loader; + const parseCache = this.parseCache; + const faceMaterials = new Set(); + + // Processes the part subobject information to load child parts and merge geometry onto part + // piece object. + const processInfoSubobjects = async ( info, subobject = null ) => { + + const subobjects = info.subobjects; + const promises = []; + + // Trigger load of all subobjects. If a subobject isn't a primitive then load it as a separate + // group which lets instruction steps apply correctly. + for ( let i = 0, l = subobjects.length; i < l; i ++ ) { + + const subobject = subobjects[ i ]; + const promise = parseCache.ensureDataLoaded( subobject.fileName ).then( () => { + + const subobjectInfo = parseCache.getData( subobject.fileName, false ); + if ( ! isPrimitiveType( subobjectInfo.type ) ) { + + return this.loadModel( subobject.fileName ).catch( error => { + + console.warn( error ); + return null; + + } ); + + } + + return processInfoSubobjects( parseCache.getData( subobject.fileName ), subobject ); + + } ); + + promises.push( promise ); + + } + + const group = new Group(); + group.userData.category = info.category; + group.userData.keywords = info.keywords; + group.userData.author = info.author; + group.userData.type = info.type; + group.userData.fileName = info.fileName; + info.group = group; + + const subobjectInfos = await Promise.all( promises ); + for ( let i = 0, l = subobjectInfos.length; i < l; i ++ ) { + + const subobject = info.subobjects[ i ]; + const subobjectInfo = subobjectInfos[ i ]; + + if ( subobjectInfo === null ) { + + // the subobject failed to load + continue; + + } + + // if the subobject was loaded as a separate group then apply the parent scopes materials + if ( subobjectInfo.isGroup ) { + + const subobjectGroup = subobjectInfo; + subobject.matrix.decompose( subobjectGroup.position, subobjectGroup.quaternion, subobjectGroup.scale ); + subobjectGroup.userData.startingBuildingStep = subobject.startingBuildingStep; + subobjectGroup.name = subobject.fileName; + + loader.applyMaterialsToMesh( subobjectGroup, subobject.colorCode, info.materials ); + subobjectGroup.userData.colorCode = subobject.colorCode; + + group.add( subobjectGroup ); + continue; + + } + + // add the subobject group if it has children in case it has both children and primitives + if ( subobjectInfo.group.children.length ) { + + group.add( subobjectInfo.group ); + + } + + // transform the primitives into the local space of the parent piece and append them to + // to the parent primitives list. + const parentLineSegments = info.lineSegments; + const parentConditionalSegments = info.conditionalSegments; + const parentFaces = info.faces; + + const lineSegments = subobjectInfo.lineSegments; + const conditionalSegments = subobjectInfo.conditionalSegments; + + const faces = subobjectInfo.faces; + const matrix = subobject.matrix; + const inverted = subobject.inverted; + const matrixScaleInverted = matrix.determinant() < 0; + const colorCode = subobject.colorCode; + + const lineColorCode = colorCode === MAIN_COLOUR_CODE ? MAIN_EDGE_COLOUR_CODE : colorCode; + for ( let i = 0, l = lineSegments.length; i < l; i ++ ) { + + const ls = lineSegments[ i ]; + const vertices = ls.vertices; + vertices[ 0 ].applyMatrix4( matrix ); + vertices[ 1 ].applyMatrix4( matrix ); + ls.colorCode = ls.colorCode === MAIN_EDGE_COLOUR_CODE ? lineColorCode : ls.colorCode; + ls.material = ls.material || getMaterialFromCode( ls.colorCode, ls.colorCode, info.materials, true ); + + parentLineSegments.push( ls ); + + } + + for ( let i = 0, l = conditionalSegments.length; i < l; i ++ ) { + + const os = conditionalSegments[ i ]; + const vertices = os.vertices; + const controlPoints = os.controlPoints; + vertices[ 0 ].applyMatrix4( matrix ); + vertices[ 1 ].applyMatrix4( matrix ); + controlPoints[ 0 ].applyMatrix4( matrix ); + controlPoints[ 1 ].applyMatrix4( matrix ); + os.colorCode = os.colorCode === MAIN_EDGE_COLOUR_CODE ? lineColorCode : os.colorCode; + os.material = os.material || getMaterialFromCode( os.colorCode, os.colorCode, info.materials, true ); + + parentConditionalSegments.push( os ); + + } + + for ( let i = 0, l = faces.length; i < l; i ++ ) { + + const tri = faces[ i ]; + const vertices = tri.vertices; + for ( let i = 0, l = vertices.length; i < l; i ++ ) { + + vertices[ i ].applyMatrix4( matrix ); + + } + + tri.colorCode = tri.colorCode === MAIN_COLOUR_CODE ? colorCode : tri.colorCode; + tri.material = tri.material || getMaterialFromCode( tri.colorCode, colorCode, info.materials, false ); + faceMaterials.add( tri.colorCode ); + + // If the scale of the object is negated then the triangle winding order + // needs to be flipped. + if ( matrixScaleInverted !== inverted ) { + + vertices.reverse(); + + } + + parentFaces.push( tri ); + + } + + info.totalFaces += subobjectInfo.totalFaces; + + } + + // Apply the parent subobjects pass through material code to this object. This is done several times due + // to material scoping. + if ( subobject ) { + + loader.applyMaterialsToMesh( group, subobject.colorCode, info.materials ); + group.userData.colorCode = subobject.colorCode; + + } + + return info; + + }; + + // Track material use to see if we need to use the normal smooth slow path for hard edges. + for ( let i = 0, l = info.faces; i < l; i ++ ) { + + faceMaterials.add( info.faces[ i ].colorCode ); + + } + + await processInfoSubobjects( info ); + + if ( loader.smoothNormals ) { + + const checkSubSegments = faceMaterials.size > 1; + generateFaceNormals( info.faces ); + smoothNormals( info.faces, info.lineSegments, checkSubSegments ); + + } + + // Add the primitive objects and metadata. + const group = info.group; + if ( info.faces.length > 0 ) { + + group.add( createObject( this.loader, info.faces, 3, false, info.totalFaces ) ); + + } + + if ( info.lineSegments.length > 0 ) { + + group.add( createObject( this.loader, info.lineSegments, 2 ) ); + + } + + if ( info.conditionalSegments.length > 0 ) { + + group.add( createObject( this.loader, info.conditionalSegments, 2, true ) ); + + } + + return group; + + } + + hasCachedModel( fileName ) { + + return fileName !== null && fileName.toLowerCase() in this._cache; + + } + + async getCachedModel( fileName ) { + + if ( fileName !== null && this.hasCachedModel( fileName ) ) { + + const key = fileName.toLowerCase(); + const group = await this._cache[ key ]; + return group.clone(); + + } else { + + return null; + + } + + } + + // Loads and parses the model with the given file name. Returns a cached copy if available. + async loadModel( fileName ) { + + const parseCache = this.parseCache; + const key = fileName.toLowerCase(); + if ( this.hasCachedModel( fileName ) ) { + + // Return cached model if available. + return this.getCachedModel( fileName ); + + } else { + + // Otherwise parse a new model. + // Ensure the file data is loaded and pre parsed. + await parseCache.ensureDataLoaded( fileName ); + + const info = parseCache.getData( fileName ); + const promise = this.processIntoMesh( info ); + + // Now that the file has loaded it's possible that another part parse has been waiting in parallel + // so check the cache again to see if it's been added since the last async operation so we don't + // do unnecessary work. + if ( this.hasCachedModel( fileName ) ) { + + return this.getCachedModel( fileName ); + + } + + // Cache object if it's a part so it can be reused later. + if ( isPartType( info.type ) ) { + + this._cache[ key ] = promise; + + } + + // return a copy + const group = await promise; + return group.clone(); + + } + + } + + // parses the given model text into a renderable object. Returns cached copy if available. + async parseModel( text ) { + + const parseCache = this.parseCache; + const info = parseCache.parse( text ); + if ( isPartType( info.type ) && this.hasCachedModel( info.fileName ) ) { + + return this.getCachedModel( info.fileName ); + + } + + return this.processIntoMesh( info ); + + } + +} + +function sortByMaterial( a, b ) { + + if ( a.colorCode === b.colorCode ) { + + return 0; + + } + + if ( a.colorCode < b.colorCode ) { + + return - 1; + + } + + return 1; + +} + +function createObject( loader, elements, elementSize, isConditionalSegments = false, totalElements = null ) { + + // Creates a LineSegments (elementSize = 2) or a Mesh (elementSize = 3 ) + // With per face / segment material, implemented with mesh groups and materials array + + // Sort the faces or line segments by color code to make later the mesh groups + elements.sort( sortByMaterial ); + + if ( totalElements === null ) { + + totalElements = elements.length; + + } + + const positions = new Float32Array( elementSize * totalElements * 3 ); + const normals = elementSize === 3 ? new Float32Array( elementSize * totalElements * 3 ) : null; + const materials = []; + + const quadArray = new Array( 6 ); + const bufferGeometry = new BufferGeometry(); + let prevMaterial = null; + let index0 = 0; + let numGroupVerts = 0; + let offset = 0; + + for ( let iElem = 0, nElem = elements.length; iElem < nElem; iElem ++ ) { + + const elem = elements[ iElem ]; + let vertices = elem.vertices; + if ( vertices.length === 4 ) { + + quadArray[ 0 ] = vertices[ 0 ]; + quadArray[ 1 ] = vertices[ 1 ]; + quadArray[ 2 ] = vertices[ 2 ]; + quadArray[ 3 ] = vertices[ 0 ]; + quadArray[ 4 ] = vertices[ 2 ]; + quadArray[ 5 ] = vertices[ 3 ]; + vertices = quadArray; + + } + + for ( let j = 0, l = vertices.length; j < l; j ++ ) { + + const v = vertices[ j ]; + const index = offset + j * 3; + positions[ index + 0 ] = v.x; + positions[ index + 1 ] = v.y; + positions[ index + 2 ] = v.z; + + } + + // create the normals array if this is a set of faces + if ( elementSize === 3 ) { + + if ( ! elem.faceNormal ) { + + const v0 = vertices[ 0 ]; + const v1 = vertices[ 1 ]; + const v2 = vertices[ 2 ]; + _tempVec0.subVectors( v1, v0 ); + _tempVec1.subVectors( v2, v1 ); + elem.faceNormal = new Vector3() + .crossVectors( _tempVec0, _tempVec1 ) + .normalize(); + + } + + let elemNormals = elem.normals; + if ( elemNormals.length === 4 ) { + + quadArray[ 0 ] = elemNormals[ 0 ]; + quadArray[ 1 ] = elemNormals[ 1 ]; + quadArray[ 2 ] = elemNormals[ 2 ]; + quadArray[ 3 ] = elemNormals[ 0 ]; + quadArray[ 4 ] = elemNormals[ 2 ]; + quadArray[ 5 ] = elemNormals[ 3 ]; + elemNormals = quadArray; + + } + + for ( let j = 0, l = elemNormals.length; j < l; j ++ ) { + + // use face normal if a vertex normal is not provided + let n = elem.faceNormal; + if ( elemNormals[ j ] ) { + + n = elemNormals[ j ].norm; + + } + + const index = offset + j * 3; + normals[ index + 0 ] = n.x; + normals[ index + 1 ] = n.y; + normals[ index + 2 ] = n.z; + + } + + } + + if ( prevMaterial !== elem.colorCode ) { + + if ( prevMaterial !== null ) { + + bufferGeometry.addGroup( index0, numGroupVerts, materials.length - 1 ); + + } + + const material = elem.material; + + if ( material !== null ) { + + if ( elementSize === 3 ) { + + materials.push( material ); + + } else if ( elementSize === 2 ) { + + if ( isConditionalSegments ) { + + const edgeMaterial = loader.edgeMaterialCache.get( material ); + + materials.push( loader.conditionalEdgeMaterialCache.get( edgeMaterial ) ); + + } else { + + materials.push( loader.edgeMaterialCache.get( material ) ); + + } + + } + + } else { + + // If a material has not been made available yet then keep the color code string in the material array + // to save the spot for the material once a parent scopes materials are being applied to the object. + materials.push( elem.colorCode ); + + } + + prevMaterial = elem.colorCode; + index0 = offset / 3; + numGroupVerts = vertices.length; + + } else { + + numGroupVerts += vertices.length; + + } + + offset += 3 * vertices.length; + + } + + if ( numGroupVerts > 0 ) { + + bufferGeometry.addGroup( index0, Infinity, materials.length - 1 ); + + } + + bufferGeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) ); + + if ( normals !== null ) { + + bufferGeometry.setAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + + } + + let object3d = null; + + if ( elementSize === 2 ) { + + if ( isConditionalSegments ) { + + object3d = new ConditionalLineSegments( bufferGeometry, materials.length === 1 ? materials[ 0 ] : materials ); + + } else { + + object3d = new LineSegments( bufferGeometry, materials.length === 1 ? materials[ 0 ] : materials ); + + } + + } else if ( elementSize === 3 ) { + + object3d = new Mesh( bufferGeometry, materials.length === 1 ? materials[ 0 ] : materials ); + + } + + if ( isConditionalSegments ) { + + object3d.isConditionalLine = true; + + const controlArray0 = new Float32Array( elements.length * 3 * 2 ); + const controlArray1 = new Float32Array( elements.length * 3 * 2 ); + const directionArray = new Float32Array( elements.length * 3 * 2 ); + for ( let i = 0, l = elements.length; i < l; i ++ ) { + + const os = elements[ i ]; + const vertices = os.vertices; + const controlPoints = os.controlPoints; + const c0 = controlPoints[ 0 ]; + const c1 = controlPoints[ 1 ]; + const v0 = vertices[ 0 ]; + const v1 = vertices[ 1 ]; + const index = i * 3 * 2; + controlArray0[ index + 0 ] = c0.x; + controlArray0[ index + 1 ] = c0.y; + controlArray0[ index + 2 ] = c0.z; + controlArray0[ index + 3 ] = c0.x; + controlArray0[ index + 4 ] = c0.y; + controlArray0[ index + 5 ] = c0.z; + + controlArray1[ index + 0 ] = c1.x; + controlArray1[ index + 1 ] = c1.y; + controlArray1[ index + 2 ] = c1.z; + controlArray1[ index + 3 ] = c1.x; + controlArray1[ index + 4 ] = c1.y; + controlArray1[ index + 5 ] = c1.z; + + directionArray[ index + 0 ] = v1.x - v0.x; + directionArray[ index + 1 ] = v1.y - v0.y; + directionArray[ index + 2 ] = v1.z - v0.z; + directionArray[ index + 3 ] = v1.x - v0.x; + directionArray[ index + 4 ] = v1.y - v0.y; + directionArray[ index + 5 ] = v1.z - v0.z; + + } + + bufferGeometry.setAttribute( 'control0', new BufferAttribute( controlArray0, 3, false ) ); + bufferGeometry.setAttribute( 'control1', new BufferAttribute( controlArray1, 3, false ) ); + bufferGeometry.setAttribute( 'direction', new BufferAttribute( directionArray, 3, false ) ); + + } + + return object3d; + +} + +/** + * A loader for the LDraw format. + * + * [LDraw](https://ldraw.org/} (LEGO Draw) is an [open format specification]{@link https://ldraw.org/article/218.html) + * for describing LEGO and other construction set 3D models. + * + * An LDraw asset (a text file usually with extension .ldr, .dat or .txt) can describe just a single construction + * piece, or an entire model. In the case of a model the LDraw file can reference other LDraw files, which are + * loaded from a library path set with `setPartsLibraryPath`. You usually download the LDraw official parts library, + * extract to a folder and point setPartsLibraryPath to it. + * + * Library parts will be loaded by trial and error in subfolders 'parts', 'p' and 'models'. These file accesses + * are not optimal for web environment, so a script tool has been made to pack an LDraw file with all its dependencies + * into a single file, which loads much faster. See section 'Packing LDraw models'. The LDrawLoader example loads + * several packed files. The official parts library is not included due to its large size. + * + * `LDrawLoader` supports the following extensions: + * - !COLOUR: Color and surface finish declarations. + * - BFC: Back Face Culling specification. + * - !CATEGORY: Model/part category declarations. + * - !KEYWORDS: Model/part keywords declarations. + * + * ```js + * const loader = new LDrawLoader(); + * loader.setConditionalLineMaterial( LDrawConditionalLineMaterial ); // the type of line material depends on the used renderer + * const object = await loader.loadAsync( 'models/ldraw/officialLibrary/models/car.ldr_Packed.mpd' ); + * scene.add( object ); + * ``` + * + * @augments Loader + * @three_import import { LDrawLoader } from 'three/addons/loaders/LDrawLoader.js'; + */ +class LDrawLoader extends Loader { + + /** + * Constructs a new LDraw loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + // Array of THREE.Material + this.materials = []; + this.materialLibrary = {}; + this.edgeMaterialCache = new WeakMap(); + this.conditionalEdgeMaterialCache = new WeakMap(); + + // This also allows to handle the embedded text files ("0 FILE" lines) + this.partsCache = new LDrawPartsGeometryCache( this ); + + // This object is a map from file names to paths. It agilizes the paths search. If it is not set then files will be searched by trial and error. + this.fileMap = {}; + + // If this flag is set to true the vertex normals will be smoothed. + this.smoothNormals = true; + + // The path to load parts from the LDraw parts library from. + this.partsLibraryPath = ''; + + // this material type must be injected via setConditionalLineMaterial() + this.ConditionalLineMaterial = null; + + // Material assigned to not available colors for meshes and edges + this.missingColorMaterial = new MeshStandardMaterial( { name: Loader.DEFAULT_MATERIAL_NAME, color: 0xFF00FF, roughness: 0.3, metalness: 0 } ); + this.missingEdgeColorMaterial = new LineBasicMaterial( { name: Loader.DEFAULT_MATERIAL_NAME, color: 0xFF00FF } ); + this.missingConditionalEdgeColorMaterial = null; + this.edgeMaterialCache.set( this.missingColorMaterial, this.missingEdgeColorMaterial ); + this.conditionalEdgeMaterialCache.set( this.missingEdgeColorMaterial, this.missingConditionalEdgeColorMaterial ); + + } + + /** + * This method must be called prior to `load()` unless the model to load does not reference + * library parts (usually it will be a model with all its parts packed in a single file). + * + * @param {string} path - Path to library parts files to load referenced parts from. + * This is different from Loader.setPath, which indicates the path to load the main asset from. + * @return {LDrawLoader} A reference to this loader. + */ + setPartsLibraryPath( path ) { + + this.partsLibraryPath = path; + return this; + + } + + /** + * Sets the conditional line material type which depends on the used renderer. + * Use {@link LDrawConditionalLineMaterial} when using `WebGLRenderer` and + * {@link LDrawConditionalLineNodeMaterial} when using `WebGPURenderer`. + * + * @param {(LDrawConditionalLineMaterial.constructor|LDrawConditionalLineNodeMaterial.constructor)} type - The conditional line material type. + * @return {LDrawLoader} A reference to this loader. + */ + setConditionalLineMaterial( type ) { + + this.ConditionalLineMaterial = type; + this.missingConditionalEdgeColorMaterial = new this.ConditionalLineMaterial( { name: Loader.DEFAULT_MATERIAL_NAME, fog: true, color: 0xFF00FF } ); + return this; + + } + + /** + * This async method preloads materials from a single LDraw file. In the official + * parts library there is a special file which is loaded always the first (LDConfig.ldr) + * and contains all the standard color codes. This method is intended to be used with + * not packed files, for example in an editor where materials are preloaded and parts + * are loaded on demand. + * + * @async + * @param {string} url - Path of the LDraw materials asset. + * @return {Promise} A Promise that resolves when the preload has finished. + */ + async preloadMaterials( url ) { + + const fileLoader = new FileLoader( this.manager ); + fileLoader.setPath( this.path ); + fileLoader.setRequestHeader( this.requestHeader ); + fileLoader.setWithCredentials( this.withCredentials ); + + const text = await fileLoader.loadAsync( url ); + const colorLineRegex = /^0 !COLOUR/; + const lines = text.split( /[\n\r]/g ); + const materials = []; + for ( let i = 0, l = lines.length; i < l; i ++ ) { + + const line = lines[ i ]; + if ( colorLineRegex.test( line ) ) { + + const directive = line.replace( colorLineRegex, '' ); + const material = this.parseColorMetaDirective( new LineParser( directive ) ); + materials.push( material ); + + } + + } + + this.addMaterials( materials ); + + } + + /** + * Starts loading from the given URL and passes the loaded LDraw asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Group)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const fileLoader = new FileLoader( this.manager ); + fileLoader.setPath( this.path ); + fileLoader.setRequestHeader( this.requestHeader ); + fileLoader.setWithCredentials( this.withCredentials ); + fileLoader.load( url, text => { + + // Initializes the materials library with default materials + this.addDefaultMaterials(); + + this.partsCache + .parseModel( text ) + .then( group => { + + this.applyMaterialsToMesh( group, MAIN_COLOUR_CODE, this.materialLibrary, true ); + this.computeBuildingSteps( group ); + group.userData.fileName = url; + onLoad( group ); + + } ) + .catch( onError ); + + }, onProgress, onError ); + + } + + /** + * Parses the given LDraw data and returns the resulting group. + * + * @param {string} text - The raw VRML data as a string. + * @param {function(Group)} onLoad - Executed when the loading/parsing process has been finished. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + parse( text, onLoad, onError ) { + + this.partsCache + .parseModel( text ) + .then( group => { + + this.applyMaterialsToMesh( group, MAIN_COLOUR_CODE, this.materialLibrary, true ); + this.computeBuildingSteps( group ); + group.userData.fileName = ''; + onLoad( group ); + + } ) + .catch( onError ); + + } + + /** + * Sets the loader's material library. This method clears existing + * material definitions. + * + * @param {Array} materials - The materials to set. + * @return {LDrawLoader} A reference to this loader. + */ + setMaterials( materials ) { + + this.clearMaterials(); + this.addMaterials( materials ); + + return this; + + } + + /** + * Clears the loader's material library. + * + * @return {LDrawLoader} A reference to this loader. + */ + clearMaterials() { + + this.materialLibrary = {}; + this.materials = []; + + return this; + + } + + /** + * Adds a list of materials to the loader's material library. + * + * @param {Array} materials - The materials to add. + * @return {LDrawLoader} A reference to this loader. + */ + addMaterials( materials ) { + + for ( let i = 0, l = materials.length; i < l; i ++ ) { + + this.addMaterial( materials[ i ] ); + + } + + return this; + + } + + /** + * Initializes the loader with default materials. + * + * @return {LDrawLoader} A reference to this loader. + */ + addDefaultMaterials() { + + // Add default main triangle and line edge materials (used in pieces that can be colored with a main color) + this.addMaterial( this.parseColorMetaDirective( new LineParser( 'Main_Colour CODE 16 VALUE #FF8080 EDGE #333333' ) ) ); + this.addMaterial( this.parseColorMetaDirective( new LineParser( 'Edge_Colour CODE 24 VALUE #A0A0A0 EDGE #333333' ) ) ); + + return this; + + } + + /** + * Sets a map which maps referenced library filenames to new filenames. + * If a fileMap is not specified (the default), library parts will be accessed by trial and + * error in subfolders 'parts', 'p' and 'models'. + * + * @param {Object} fileMap - The file map to set. + * @return {LDrawLoader} A reference to this loader. + */ + setFileMap( fileMap ) { + + this.fileMap = fileMap; + + return this; + + } + + /** + * Adds a single material to the loader's material library. + * + * @param {Material} material - The material to add. + * @return {LDrawLoader} A reference to this loader. + */ + addMaterial( material ) { + + // Adds a material to the material library which is on top of the parse scopes stack. And also to the materials array + + const matLib = this.materialLibrary; + if ( ! matLib[ material.userData.code ] ) { + + this.materials.push( material ); + matLib[ material.userData.code ] = material; + + } + + return this; + + } + + /** + * Returns a material for the given color code. + * + * @param {string} colorCode - The color code. + * @return {?Material} The material. Returns `null` if no material has been found. + */ + getMaterial( colorCode ) { + + if ( colorCode.startsWith( '0x2' ) ) { + + // Special 'direct' material value (RGB color) + const color = colorCode.substring( 3 ); + + return this.parseColorMetaDirective( new LineParser( 'Direct_Color_' + color + ' CODE -1 VALUE #' + color + ' EDGE #' + color + '' ) ); + + } + + return this.materialLibrary[ colorCode ] || null; + + } + + // Applies the appropriate materials to a prebuilt hierarchy of geometry. Assumes that color codes are present + // in the material array if they need to be filled in. + applyMaterialsToMesh( group, parentColorCode, materialHierarchy, finalMaterialPass = false ) { + + // find any missing materials as indicated by a color code string and replace it with a material from the current material lib + const loader = this; + const parentIsPassthrough = parentColorCode === MAIN_COLOUR_CODE; + group.traverse( c => { + + if ( c.isMesh || c.isLineSegments ) { + + if ( Array.isArray( c.material ) ) { + + for ( let i = 0, l = c.material.length; i < l; i ++ ) { + + if ( ! c.material[ i ].isMaterial ) { + + c.material[ i ] = getMaterial( c, c.material[ i ] ); + + } + + } + + } else if ( ! c.material.isMaterial ) { + + c.material = getMaterial( c, c.material ); + + } + + } + + } ); + + + // Returns the appropriate material for the object (line or face) given color code. If the code is "pass through" + // (24 for lines, 16 for edges) then the pass through color code is used. If that is also pass through then it's + // simply returned for the subsequent material application. + function getMaterial( c, colorCode ) { + + // if our parent is a passthrough color code and we don't have the current material color available then + // return early. + if ( parentIsPassthrough && ! ( colorCode in materialHierarchy ) && ! finalMaterialPass ) { + + return colorCode; + + } + + const forEdge = c.isLineSegments || c.isConditionalLine; + const isPassthrough = ! forEdge && colorCode === MAIN_COLOUR_CODE || forEdge && colorCode === MAIN_EDGE_COLOUR_CODE; + if ( isPassthrough ) { + + colorCode = parentColorCode; + + } + + let material = null; + if ( colorCode in materialHierarchy ) { + + material = materialHierarchy[ colorCode ]; + + } else if ( finalMaterialPass ) { + + // see if we can get the final material from the "getMaterial" function which will attempt to + // parse the "direct" colors + material = loader.getMaterial( colorCode ); + if ( material === null ) { + + // otherwise throw a warning if this is final opportunity to set the material + console.warn( `LDrawLoader: Material properties for code ${ colorCode } not available.` ); + + // And return the 'missing color' material + material = loader.missingColorMaterial; + + } + + + } else { + + return colorCode; + + } + + if ( c.isLineSegments ) { + + material = loader.edgeMaterialCache.get( material ); + + if ( c.isConditionalLine ) { + + material = loader.conditionalEdgeMaterialCache.get( material ); + + } + + } + + return material; + + } + + } + + /** + * Returns the Material for the main LDraw color. + * + * For an already loaded LDraw asset, returns the Material associated with the main color code. + * This method can be useful to modify the main material of a model or part that exposes it. + * + * The main color code is the standard way to color an LDraw part. It is '16' for triangles and + * '24' for edges. Usually a complete model will not expose the main color (that is, no part + * uses the code '16' at the top level, because they are assigned other specific colors) An LDraw + * part file on the other hand will expose the code '16' to be colored, and can have additional + * fixed colors. + * + * @return {?Material} The material. Returns `null` if no material has been found. + */ + getMainMaterial() { + + return this.getMaterial( MAIN_COLOUR_CODE ); + + } + + /** + * Returns the material for the edges main LDraw color. + * + * @return {?Material} The material. Returns `null` if no material has been found. + */ + getMainEdgeMaterial() { + + const mat = this.getMaterial( MAIN_EDGE_COLOUR_CODE ); + return mat ? this.edgeMaterialCache.get( mat ) : null; + + } + + parseColorMetaDirective( lineParser ) { + + // Parses a color definition and returns a THREE.Material + + let code = null; + + // Triangle and line colors + let fillColor = '#FF00FF'; + let edgeColor = '#FF00FF'; + + // Transparency + let alpha = 1; + let isTransparent = false; + // Self-illumination: + let luminance = 0; + + let finishType = FINISH_TYPE_DEFAULT; + + let edgeMaterial = null; + + const name = lineParser.getToken(); + if ( ! name ) { + + throw new Error( 'LDrawLoader: Material name was expected after "!COLOUR tag' + lineParser.getLineNumberString() + '.' ); + + } + + // Parse tag tokens and their parameters + let token = null; + while ( true ) { + + token = lineParser.getToken(); + + if ( ! token ) { + + break; + + } + + if ( ! parseLuminance( token ) ) { + + switch ( token.toUpperCase() ) { + + case 'CODE': + + code = lineParser.getToken(); + break; + + case 'VALUE': + + fillColor = lineParser.getToken(); + if ( fillColor.startsWith( '0x' ) ) { + + fillColor = '#' + fillColor.substring( 2 ); + + } else if ( ! fillColor.startsWith( '#' ) ) { + + throw new Error( 'LDrawLoader: Invalid color while parsing material' + lineParser.getLineNumberString() + '.' ); + + } + + break; + + case 'EDGE': + + edgeColor = lineParser.getToken(); + if ( edgeColor.startsWith( '0x' ) ) { + + edgeColor = '#' + edgeColor.substring( 2 ); + + } else if ( ! edgeColor.startsWith( '#' ) ) { + + // Try to see if edge color is a color code + edgeMaterial = this.getMaterial( edgeColor ); + if ( ! edgeMaterial ) { + + throw new Error( 'LDrawLoader: Invalid edge color while parsing material' + lineParser.getLineNumberString() + '.' ); + + } + + // Get the edge material for this triangle material + edgeMaterial = this.edgeMaterialCache.get( edgeMaterial ); + + } + + break; + + case 'ALPHA': + + alpha = parseInt( lineParser.getToken() ); + + if ( isNaN( alpha ) ) { + + throw new Error( 'LDrawLoader: Invalid alpha value in material definition' + lineParser.getLineNumberString() + '.' ); + + } + + alpha = Math.max( 0, Math.min( 1, alpha / 255 ) ); + + if ( alpha < 1 ) { + + isTransparent = true; + + } + + break; + + case 'LUMINANCE': + + if ( ! parseLuminance( lineParser.getToken() ) ) { + + throw new Error( 'LDrawLoader: Invalid luminance value in material definition' + lineParser.getLineNumberString() + '.' ); + + } + + break; + + case 'CHROME': + finishType = FINISH_TYPE_CHROME; + break; + + case 'PEARLESCENT': + finishType = FINISH_TYPE_PEARLESCENT; + break; + + case 'RUBBER': + finishType = FINISH_TYPE_RUBBER; + break; + + case 'MATTE_METALLIC': + finishType = FINISH_TYPE_MATTE_METALLIC; + break; + + case 'METAL': + finishType = FINISH_TYPE_METAL; + break; + + case 'MATERIAL': + // Not implemented + lineParser.setToEnd(); + break; + + default: + throw new Error( 'LDrawLoader: Unknown token "' + token + '" while parsing material' + lineParser.getLineNumberString() + '.' ); + + } + + } + + } + + let material = null; + + switch ( finishType ) { + + case FINISH_TYPE_DEFAULT: + + material = new MeshStandardMaterial( { roughness: 0.3, metalness: 0 } ); + break; + + case FINISH_TYPE_PEARLESCENT: + + // Try to imitate pearlescency by making the surface glossy + material = new MeshStandardMaterial( { roughness: 0.3, metalness: 0.25 } ); + break; + + case FINISH_TYPE_CHROME: + + // Mirror finish surface + material = new MeshStandardMaterial( { roughness: 0, metalness: 1 } ); + break; + + case FINISH_TYPE_RUBBER: + + // Rubber finish + material = new MeshStandardMaterial( { roughness: 0.9, metalness: 0 } ); + break; + + case FINISH_TYPE_MATTE_METALLIC: + + // Brushed metal finish + material = new MeshStandardMaterial( { roughness: 0.8, metalness: 0.4 } ); + break; + + case FINISH_TYPE_METAL: + + // Average metal finish + material = new MeshStandardMaterial( { roughness: 0.2, metalness: 0.85 } ); + break; + + default: + // Should not happen + break; + + } + + material.color.setStyle( fillColor, COLOR_SPACE_LDRAW ); + material.transparent = isTransparent; + material.premultipliedAlpha = true; + material.opacity = alpha; + material.depthWrite = ! isTransparent; + + material.polygonOffset = true; + material.polygonOffsetFactor = 1; + + if ( luminance !== 0 ) { + + material.emissive.setStyle( fillColor, COLOR_SPACE_LDRAW ).multiplyScalar( luminance ); + + } + + if ( ! edgeMaterial ) { + + // This is the material used for edges + edgeMaterial = new LineBasicMaterial( { + color: new Color().setStyle( edgeColor, COLOR_SPACE_LDRAW ), + transparent: isTransparent, + opacity: alpha, + depthWrite: ! isTransparent + } ); + edgeMaterial.color; + edgeMaterial.userData.code = code; + edgeMaterial.name = name + ' - Edge'; + + if ( this.ConditionalLineMaterial === null ) { + + throw new Error( 'THREE.LDrawLoader: ConditionalLineMaterial type must be specified via .setConditionalLineMaterial().' ); + + } + + // This is the material used for conditional edges + const conditionalEdgeMaterial = new this.ConditionalLineMaterial( { + + fog: true, + transparent: isTransparent, + depthWrite: ! isTransparent, + color: new Color().setStyle( edgeColor, COLOR_SPACE_LDRAW ), + opacity: alpha, + + } ); + conditionalEdgeMaterial.userData.code = code; + conditionalEdgeMaterial.name = name + ' - Conditional Edge'; + + this.conditionalEdgeMaterialCache.set( edgeMaterial, conditionalEdgeMaterial ); + + } + + material.userData.code = code; + material.name = name; + + this.edgeMaterialCache.set( material, edgeMaterial ); + + this.addMaterial( material ); + + return material; + + function parseLuminance( token ) { + + // Returns success + + let lum; + + if ( token.startsWith( 'LUMINANCE' ) ) { + + lum = parseInt( token.substring( 9 ) ); + + } else { + + lum = parseInt( token ); + + } + + if ( isNaN( lum ) ) { + + return false; + + } + + luminance = Math.max( 0, Math.min( 1, lum / 255 ) ); + + return true; + + } + + } + + computeBuildingSteps( model ) { + + // Sets userdata.buildingStep number in Group objects and userData.numBuildingSteps number in the root Group object. + + let stepNumber = 0; + + model.traverse( c => { + + if ( c.isGroup ) { + + if ( c.userData.startingBuildingStep ) { + + stepNumber ++; + + } + + c.userData.buildingStep = stepNumber; + + } + + } ); + + model.userData.numBuildingSteps = stepNumber + 1; + + } + +} + +export { LDrawLoader }; diff --git a/node_modules/three/examples/jsm/loaders/LUT3dlLoader.js b/node_modules/three/examples/jsm/loaders/LUT3dlLoader.js new file mode 100644 index 0000000..a14f0af --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/LUT3dlLoader.js @@ -0,0 +1,205 @@ +import { + ClampToEdgeWrapping, + Data3DTexture, + FileLoader, + LinearFilter, + Loader, + RGBAFormat, + UnsignedByteType, +} from 'three'; + +/** + * A loader for the 3DL LUT format. + * + * References: + * - [3D LUTs](http://download.autodesk.com/us/systemdocs/help/2011/lustre/index.html?url=./files/WSc4e151a45a3b785a24c3d9a411df9298473-7ffd.htm,topicNumber=d0e9492) + * - [Format Spec for .3dl](https://community.foundry.com/discuss/topic/103636/format-spec-for-3dl?mode=Post&postID=895258) + * + * ```js + * const loader = new LUT3dlLoader(); + * const map = loader.loadAsync( 'luts/Presetpro-Cinematic.3dl' ); + * ``` + * + * @augments Loader + * @three_import import { LUT3dlLoader } from 'three/addons/loaders/LUT3dlLoader.js'; + */ +export class LUT3dlLoader extends Loader { + + /** + * Constructs a new 3DL LUT loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * The texture type. + * + * @type {(UnsignedByteType|FloatType)} + * @default UnsignedByteType + */ + this.type = UnsignedByteType; + + } + + /** + * Sets the texture type. + * + * @param {(UnsignedByteType|FloatType)} type - The texture type to set. + * @return {LUT3dlLoader} A reference to this loader. + */ + setType( type ) { + + this.type = type; + + return this; + + } + + /** + * Starts loading from the given URL and passes the loaded 3DL LUT asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({size:number,texture3D:Data3DTexture})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'text' ); + loader.load( url, text => { + + try { + + onLoad( this.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + this.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given 3DL LUT data and returns the resulting 3D data texture. + * + * @param {string} input - The raw 3DL LUT data as a string. + * @return {{size:number,texture3D:Data3DTexture}} The parsed 3DL LUT. + */ + parse( input ) { + + const regExpGridInfo = /^[\d ]+$/m; + const regExpDataPoints = /^([\d.e+-]+) +([\d.e+-]+) +([\d.e+-]+) *$/gm; + + // The first line describes the positions of values on the LUT grid. + let result = regExpGridInfo.exec( input ); + + if ( result === null ) { + + throw new Error( 'LUT3dlLoader: Missing grid information' ); + + } + + const gridLines = result[ 0 ].trim().split( /\s+/g ).map( Number ); + const gridStep = gridLines[ 1 ] - gridLines[ 0 ]; + const size = gridLines.length; + const sizeSq = size ** 2; + + for ( let i = 1, l = gridLines.length; i < l; ++ i ) { + + if ( gridStep !== ( gridLines[ i ] - gridLines[ i - 1 ] ) ) { + + throw new Error( 'LUT3dlLoader: Inconsistent grid size' ); + + } + + } + + const dataFloat = new Float32Array( size ** 3 * 4 ); + let maxValue = 0.0; + let index = 0; + + while ( ( result = regExpDataPoints.exec( input ) ) !== null ) { + + const r = Number( result[ 1 ] ); + const g = Number( result[ 2 ] ); + const b = Number( result[ 3 ] ); + + maxValue = Math.max( maxValue, r, g, b ); + + const bLayer = index % size; + const gLayer = Math.floor( index / size ) % size; + const rLayer = Math.floor( index / ( sizeSq ) ) % size; + + // b grows first, then g, then r. + const d4 = ( bLayer * sizeSq + gLayer * size + rLayer ) * 4; + dataFloat[ d4 + 0 ] = r; + dataFloat[ d4 + 1 ] = g; + dataFloat[ d4 + 2 ] = b; + + ++ index; + + } + + // Determine the bit depth to scale the values to [0.0, 1.0]. + const bits = Math.ceil( Math.log2( maxValue ) ); + const maxBitValue = Math.pow( 2, bits ); + + const data = this.type === UnsignedByteType ? new Uint8Array( dataFloat.length ) : dataFloat; + const scale = this.type === UnsignedByteType ? 255 : 1; + + for ( let i = 0, l = data.length; i < l; i += 4 ) { + + const i1 = i + 1; + const i2 = i + 2; + const i3 = i + 3; + + // Note: data is dataFloat when type is FloatType. + data[ i ] = dataFloat[ i ] / maxBitValue * scale; + data[ i1 ] = dataFloat[ i1 ] / maxBitValue * scale; + data[ i2 ] = dataFloat[ i2 ] / maxBitValue * scale; + data[ i3 ] = scale; + + } + + const texture3D = new Data3DTexture(); + texture3D.image.data = data; + texture3D.image.width = size; + texture3D.image.height = size; + texture3D.image.depth = size; + texture3D.format = RGBAFormat; + texture3D.type = this.type; + texture3D.magFilter = LinearFilter; + texture3D.minFilter = LinearFilter; + texture3D.wrapS = ClampToEdgeWrapping; + texture3D.wrapT = ClampToEdgeWrapping; + texture3D.wrapR = ClampToEdgeWrapping; + texture3D.generateMipmaps = false; + texture3D.needsUpdate = true; + + return { + size, + texture3D, + }; + + } + +} diff --git a/node_modules/three/examples/jsm/loaders/LUTCubeLoader.js b/node_modules/three/examples/jsm/loaders/LUTCubeLoader.js new file mode 100644 index 0000000..83c2639 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/LUTCubeLoader.js @@ -0,0 +1,190 @@ +import { + ClampToEdgeWrapping, + Data3DTexture, + FileLoader, + LinearFilter, + Loader, + UnsignedByteType, + Vector3, +} from 'three'; + +/** + * A loader for the Cube LUT format. + * + * References: + * - [Cube LUT Specification](https://web.archive.org/web/20220220033515/https://wwwimages2.adobe.com/content/dam/acom/en/products/speedgrade/cc/pdfs/cube-lut-specification-1.0.pdf) + * + * ```js + * const loader = new LUTCubeLoader(); + * const map = loader.loadAsync( 'luts/Bourbon 64.CUBE' ); + * ``` + * + * @augments Loader + * @three_import import { LUTCubeLoader } from 'three/addons/loaders/LUTCubeLoader.js'; + */ +export class LUTCubeLoader extends Loader { + + /** + * Constructs a new Cube LUT loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * The texture type. + * + * @type {(UnsignedByteType|FloatType)} + * @default UnsignedByteType + */ + this.type = UnsignedByteType; + + } + + /** + * Sets the texture type. + * + * @param {(UnsignedByteType|FloatType)} type - The texture type to set. + * @return {LUTCubeLoader} A reference to this loader. + */ + setType( type ) { + + this.type = type; + + return this; + + } + + /** + * Starts loading from the given URL and passes the loaded Cube LUT asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({title:string,size:number,domainMin:Vector3,domainMax:Vector3,texture3D:Data3DTexture})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'text' ); + loader.load( url, text => { + + try { + + onLoad( this.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + this.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given Cube LUT data and returns the resulting 3D data texture. + * + * @param {string} input - The raw Cube LUT data as a string. + * @return {{title:string,size:number,domainMin:Vector3,domainMax:Vector3,texture3D:Data3DTexture}} The parsed Cube LUT. + */ + parse( input ) { + + const regExpTitle = /TITLE +"([^"]*)"/; + const regExpSize = /LUT_3D_SIZE +(\d+)/; + const regExpDomainMin = /DOMAIN_MIN +([\d.]+) +([\d.]+) +([\d.]+)/; + const regExpDomainMax = /DOMAIN_MAX +([\d.]+) +([\d.]+) +([\d.]+)/; + const regExpDataPoints = /^([\d.e+-]+) +([\d.e+-]+) +([\d.e+-]+) *$/gm; + + let result = regExpTitle.exec( input ); + const title = ( result !== null ) ? result[ 1 ] : null; + + result = regExpSize.exec( input ); + + if ( result === null ) { + + throw new Error( 'LUTCubeLoader: Missing LUT_3D_SIZE information' ); + + } + + const size = Number( result[ 1 ] ); + const length = size ** 3 * 4; + const data = this.type === UnsignedByteType ? new Uint8Array( length ) : new Float32Array( length ); + + const domainMin = new Vector3( 0, 0, 0 ); + const domainMax = new Vector3( 1, 1, 1 ); + + result = regExpDomainMin.exec( input ); + + if ( result !== null ) { + + domainMin.set( Number( result[ 1 ] ), Number( result[ 2 ] ), Number( result[ 3 ] ) ); + + } + + result = regExpDomainMax.exec( input ); + + if ( result !== null ) { + + domainMax.set( Number( result[ 1 ] ), Number( result[ 2 ] ), Number( result[ 3 ] ) ); + + } + + if ( domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z ) { + + throw new Error( 'LUTCubeLoader: Invalid input domain' ); + + } + + const scale = this.type === UnsignedByteType ? 255 : 1; + let i = 0; + + while ( ( result = regExpDataPoints.exec( input ) ) !== null ) { + + data[ i ++ ] = Number( result[ 1 ] ) * scale; + data[ i ++ ] = Number( result[ 2 ] ) * scale; + data[ i ++ ] = Number( result[ 3 ] ) * scale; + data[ i ++ ] = scale; + + } + + const texture3D = new Data3DTexture(); + texture3D.image.data = data; + texture3D.image.width = size; + texture3D.image.height = size; + texture3D.image.depth = size; + texture3D.type = this.type; + texture3D.magFilter = LinearFilter; + texture3D.minFilter = LinearFilter; + texture3D.wrapS = ClampToEdgeWrapping; + texture3D.wrapT = ClampToEdgeWrapping; + texture3D.wrapR = ClampToEdgeWrapping; + texture3D.generateMipmaps = false; + texture3D.needsUpdate = true; + + return { + title, + size, + domainMin, + domainMax, + texture3D, + }; + + } + +} diff --git a/node_modules/three/examples/jsm/loaders/LUTImageLoader.js b/node_modules/three/examples/jsm/loaders/LUTImageLoader.js new file mode 100644 index 0000000..e45b6db --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/LUTImageLoader.js @@ -0,0 +1,190 @@ +import { + Loader, + TextureLoader, + Data3DTexture, + RGBAFormat, + UnsignedByteType, + ClampToEdgeWrapping, + LinearFilter, +} from 'three'; + +/** + * A loader for loading LUT images. + * + * ```js + * const loader = new LUTImageLoader(); + * const map = loader.loadAsync( 'luts/NeutralLUT.png' ); + * ``` + * + * @augments Loader + * @three_import import { LUTImageLoader } from 'three/addons/loaders/LUTImageLoader.js'; + */ +export class LUTImageLoader extends Loader { + + /** + * Constructs a new LUT loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * Whether to vertically flip the LUT or not. + * + * Depending on the LUT's origin, the texture has green at the bottom (e.g. for Unreal) + * or green at the top (e.g. for Unity URP Color Lookup). If you're using lut image strips + * from a Unity pipeline, then set this property to `true`. + * + * @type {boolean} + * @default false + */ + this.flip = false; + + } + + /** + * Starts loading from the given URL and passes the loaded LUT + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({size:number,texture3D:Data3DTexture})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const loader = new TextureLoader( this.manager ); + + loader.setCrossOrigin( this.crossOrigin ); + + loader.setPath( this.path ); + loader.load( url, texture => { + + try { + + let imageData; + + if ( texture.image.width < texture.image.height ) { + + imageData = this._getImageData( texture ); + + } else { + + imageData = this._horz2Vert( texture ); + + } + + onLoad( this.parse( imageData.data, Math.min( texture.image.width, texture.image.height ) ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + this.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given LUT data and returns the resulting 3D data texture. + * + * @param {Uint8ClampedArray} dataArray - The raw LUT data. + * @param {number} size - The LUT size. + * @return {{size:number,texture3D:Data3DTexture}} An object representing the parsed LUT. + */ + parse( dataArray, size ) { + + const data = new Uint8Array( dataArray ); + + const texture3D = new Data3DTexture(); + texture3D.image.data = data; + texture3D.image.width = size; + texture3D.image.height = size; + texture3D.image.depth = size; + texture3D.format = RGBAFormat; + texture3D.type = UnsignedByteType; + texture3D.magFilter = LinearFilter; + texture3D.minFilter = LinearFilter; + texture3D.wrapS = ClampToEdgeWrapping; + texture3D.wrapT = ClampToEdgeWrapping; + texture3D.wrapR = ClampToEdgeWrapping; + texture3D.generateMipmaps = false; + texture3D.needsUpdate = true; + + return { + size, + texture3D, + }; + + } + + // internal + + _getImageData( texture ) { + + const width = texture.image.width; + const height = texture.image.height; + + const canvas = document.createElement( 'canvas' ); + canvas.width = width; + canvas.height = height; + + const context = canvas.getContext( '2d' ); + + if ( this.flip === true ) { + + context.scale( 1, - 1 ); + context.translate( 0, - height ); + + } + + context.drawImage( texture.image, 0, 0 ); + + return context.getImageData( 0, 0, width, height ); + + } + + _horz2Vert( texture ) { + + const width = texture.image.height; + const height = texture.image.width; + + const canvas = document.createElement( 'canvas' ); + canvas.width = width; + canvas.height = height; + + const context = canvas.getContext( '2d' ); + + if ( this.flip === true ) { + + context.scale( 1, - 1 ); + context.translate( 0, - height ); + + } + + for ( let i = 0; i < width; i ++ ) { + + const sy = i * width; + const dy = ( this.flip ) ? height - i * width : i * width; + context.drawImage( texture.image, sy, 0, width, width, 0, dy, width, width ); + + } + + return context.getImageData( 0, 0, width, height ); + + } + +} diff --git a/node_modules/three/examples/jsm/loaders/LWOLoader.js b/node_modules/three/examples/jsm/loaders/LWOLoader.js new file mode 100644 index 0000000..1835ef5 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/LWOLoader.js @@ -0,0 +1,1079 @@ +import { + AddOperation, + BackSide, + BufferGeometry, + ClampToEdgeWrapping, + Color, + DoubleSide, + EquirectangularReflectionMapping, + EquirectangularRefractionMapping, + FileLoader, + Float32BufferAttribute, + FrontSide, + LineBasicMaterial, + LineSegments, + Loader, + Mesh, + MeshPhongMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MirroredRepeatWrapping, + Points, + PointsMaterial, + RepeatWrapping, + SRGBColorSpace, + TextureLoader, + Vector2 +} from 'three'; + +import { IFFParser } from './lwo/IFFParser.js'; + +let _lwoTree; + +/** + * A loader for the LWO format. + * + * LWO3 and LWO2 formats are supported. + * + * References: + * - [LWO3 format specification](https://static.lightwave3d.com/sdk/2019/html/filefmts/lwo3.html) + * - [LWO2 format specification](https://static.lightwave3d.com/sdk/2019/html/filefmts/lwo2.html) + * + * ```js + * const loader = new LWOLoader(); + * const lwoData = await loader.loadAsync( 'models/lwo/Objects/LWO3/Demo.lwo' ); + * + * const mesh = object.meshes[ 0 ]; + * scene.add( mesh ); + * ``` + * + * @augments Loader + * @three_import import { LWOLoader } from 'three/addons/loaders/LWOLoader.js'; + */ +class LWOLoader extends Loader { + + /** + * Constructs a new LWO loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded LWO asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({meshes:Array,materials:Array})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const path = ( scope.path === '' ) ? extractParentUrl( url, 'Objects' ) : scope.path; + + // give the mesh a default name based on the filename + const modelName = url.split( path ).pop().split( '.' )[ 0 ]; + + const loader = new FileLoader( this.manager ); + loader.setPath( scope.path ); + loader.setResponseType( 'arraybuffer' ); + + loader.load( url, function ( buffer ) { + + // console.time( 'Total parsing: ' ); + + try { + + onLoad( scope.parse( buffer, path, modelName ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + // console.timeEnd( 'Total parsing: ' ); + + }, onProgress, onError ); + + } + + /** + * Parses the given LWO data and returns the resulting meshes and materials. + * + * @param {ArrayBuffer} iffBuffer - The raw LWO data as an array buffer. + * @param {string} path - The URL base path. + * @param {string} modelName - The model name. + * @return {{meshes:Array,materials:Array}} An object holding the parse meshes and materials. + */ + parse( iffBuffer, path, modelName ) { + + _lwoTree = new IFFParser().parse( iffBuffer ); + + // console.log( 'lwoTree', lwoTree ); + + const textureLoader = new TextureLoader( this.manager ).setPath( this.resourcePath || path ).setCrossOrigin( this.crossOrigin ); + + return new LWOTreeParser( textureLoader ).parse( modelName ); + + } + +} + +// Parse the lwoTree object +class LWOTreeParser { + + constructor( textureLoader ) { + + this.textureLoader = textureLoader; + + } + + parse( modelName ) { + + this.materials = new MaterialParser( this.textureLoader ).parse(); + this.defaultLayerName = modelName; + + this.meshes = this.parseLayers(); + + return { + materials: this.materials, + meshes: this.meshes, + }; + + } + + parseLayers() { + + // array of all meshes for building hierarchy + const meshes = []; + + // final array containing meshes with scene graph hierarchy set up + const finalMeshes = []; + + const geometryParser = new GeometryParser(); + + const scope = this; + _lwoTree.layers.forEach( function ( layer ) { + + const geometry = geometryParser.parse( layer.geometry, layer ); + + const mesh = scope.parseMesh( geometry, layer ); + + meshes[ layer.number ] = mesh; + + if ( layer.parent === - 1 ) finalMeshes.push( mesh ); + else meshes[ layer.parent ].add( mesh ); + + + } ); + + this.applyPivots( finalMeshes ); + + return finalMeshes; + + } + + parseMesh( geometry, layer ) { + + let mesh; + + const materials = this.getMaterials( geometry.userData.matNames, layer.geometry.type ); + + if ( layer.geometry.type === 'points' ) mesh = new Points( geometry, materials ); + else if ( layer.geometry.type === 'lines' ) mesh = new LineSegments( geometry, materials ); + else mesh = new Mesh( geometry, materials ); + + if ( layer.name ) mesh.name = layer.name; + else mesh.name = this.defaultLayerName + '_layer_' + layer.number; + + mesh.userData.pivot = layer.pivot; + + return mesh; + + } + + // TODO: may need to be reversed in z to convert LWO to three.js coordinates + applyPivots( meshes ) { + + meshes.forEach( function ( mesh ) { + + mesh.traverse( function ( child ) { + + const pivot = child.userData.pivot; + + child.position.x += pivot[ 0 ]; + child.position.y += pivot[ 1 ]; + child.position.z += pivot[ 2 ]; + + if ( child.parent ) { + + const parentPivot = child.parent.userData.pivot; + + child.position.x -= parentPivot[ 0 ]; + child.position.y -= parentPivot[ 1 ]; + child.position.z -= parentPivot[ 2 ]; + + } + + } ); + + } ); + + } + + getMaterials( namesArray, type ) { + + const materials = []; + + const scope = this; + + namesArray.forEach( function ( name, i ) { + + materials[ i ] = scope.getMaterialByName( name ); + + } ); + + // convert materials to line or point mats if required + if ( type === 'points' || type === 'lines' ) { + + materials.forEach( function ( mat, i ) { + + const spec = { + color: mat.color, + }; + + if ( type === 'points' ) { + + spec.size = 0.1; + spec.map = mat.map; + materials[ i ] = new PointsMaterial( spec ); + + } else if ( type === 'lines' ) { + + materials[ i ] = new LineBasicMaterial( spec ); + + } + + } ); + + } + + // if there is only one material, return that directly instead of array + const filtered = materials.filter( Boolean ); + if ( filtered.length === 1 ) return filtered[ 0 ]; + + return materials; + + } + + getMaterialByName( name ) { + + return this.materials.filter( function ( m ) { + + return m.name === name; + + } )[ 0 ]; + + } + +} + +class MaterialParser { + + constructor( textureLoader ) { + + this.textureLoader = textureLoader; + + } + + parse() { + + const materials = []; + this.textures = {}; + + for ( const name in _lwoTree.materials ) { + + if ( _lwoTree.format === 'LWO3' ) { + + materials.push( this.parseMaterial( _lwoTree.materials[ name ], name, _lwoTree.textures ) ); + + } else if ( _lwoTree.format === 'LWO2' ) { + + materials.push( this.parseMaterialLwo2( _lwoTree.materials[ name ], name, _lwoTree.textures ) ); + + } + + } + + return materials; + + } + + parseMaterial( materialData, name, textures ) { + + let params = { + name: name, + side: this.getSide( materialData.attributes ), + flatShading: this.getSmooth( materialData.attributes ), + }; + + const connections = this.parseConnections( materialData.connections, materialData.nodes ); + + const maps = this.parseTextureNodes( connections.maps ); + + this.parseAttributeImageMaps( connections.attributes, textures, maps ); + + const attributes = this.parseAttributes( connections.attributes, maps ); + + this.parseEnvMap( connections, maps, attributes ); + + params = Object.assign( maps, params ); + params = Object.assign( params, attributes ); + + const materialType = this.getMaterialType( connections.attributes ); + + if ( materialType !== MeshPhongMaterial ) delete params.refractionRatio; // PBR materials do not support "refractionRatio" + + return new materialType( params ); + + } + + parseMaterialLwo2( materialData, name/*, textures*/ ) { + + let params = { + name: name, + side: this.getSide( materialData.attributes ), + flatShading: this.getSmooth( materialData.attributes ), + }; + + const attributes = this.parseAttributes( materialData.attributes, {} ); + params = Object.assign( params, attributes ); + return new MeshPhongMaterial( params ); + + } + + // Note: converting from left to right handed coords by switching x -> -x in vertices, and + // then switching mat FrontSide -> BackSide + // NB: this means that FrontSide and BackSide have been switched! + getSide( attributes ) { + + if ( ! attributes.side ) return BackSide; + + switch ( attributes.side ) { + + case 0: + case 1: + return BackSide; + case 2: return FrontSide; + case 3: return DoubleSide; + + } + + } + + getSmooth( attributes ) { + + if ( ! attributes.smooth ) return true; + return ! attributes.smooth; + + } + + parseConnections( connections, nodes ) { + + const materialConnections = { + maps: {} + }; + + const inputName = connections.inputName; + const inputNodeName = connections.inputNodeName; + const nodeName = connections.nodeName; + + const scope = this; + inputName.forEach( function ( name, index ) { + + if ( name === 'Material' ) { + + const matNode = scope.getNodeByRefName( inputNodeName[ index ], nodes ); + materialConnections.attributes = matNode.attributes; + materialConnections.envMap = matNode.fileName; + materialConnections.name = inputNodeName[ index ]; + + } + + } ); + + nodeName.forEach( function ( name, index ) { + + if ( name === materialConnections.name ) { + + materialConnections.maps[ inputName[ index ] ] = scope.getNodeByRefName( inputNodeName[ index ], nodes ); + + } + + } ); + + return materialConnections; + + } + + getNodeByRefName( refName, nodes ) { + + for ( const name in nodes ) { + + if ( nodes[ name ].refName === refName ) return nodes[ name ]; + + } + + } + + parseTextureNodes( textureNodes ) { + + const maps = {}; + + for ( const name in textureNodes ) { + + const node = textureNodes[ name ]; + const path = node.fileName; + + if ( ! path ) return; + + const texture = this.loadTexture( path ); + + if ( node.widthWrappingMode !== undefined ) texture.wrapS = this.getWrappingType( node.widthWrappingMode ); + if ( node.heightWrappingMode !== undefined ) texture.wrapT = this.getWrappingType( node.heightWrappingMode ); + + switch ( name ) { + + case 'Color': + maps.map = texture; + maps.map.colorSpace = SRGBColorSpace; + break; + case 'Roughness': + maps.roughnessMap = texture; + maps.roughness = 1; + break; + case 'Specular': + maps.specularMap = texture; + maps.specularMap.colorSpace = SRGBColorSpace; + maps.specular = 0xffffff; + break; + case 'Luminous': + maps.emissiveMap = texture; + maps.emissiveMap.colorSpace = SRGBColorSpace; + maps.emissive = 0x808080; + break; + case 'Luminous Color': + maps.emissive = 0x808080; + break; + case 'Metallic': + maps.metalnessMap = texture; + maps.metalness = 1; + break; + case 'Transparency': + case 'Alpha': + maps.alphaMap = texture; + maps.transparent = true; + break; + case 'Normal': + maps.normalMap = texture; + if ( node.amplitude !== undefined ) maps.normalScale = new Vector2( node.amplitude, node.amplitude ); + break; + case 'Bump': + maps.bumpMap = texture; + break; + + } + + } + + // LWO BSDF materials can have both spec and rough, but this is not valid in three + if ( maps.roughnessMap && maps.specularMap ) delete maps.specularMap; + + return maps; + + } + + // maps can also be defined on individual material attributes, parse those here + // This occurs on Standard (Phong) surfaces + parseAttributeImageMaps( attributes, textures, maps ) { + + for ( const name in attributes ) { + + const attribute = attributes[ name ]; + + if ( attribute.maps ) { + + const mapData = attribute.maps[ 0 ]; + + const path = this.getTexturePathByIndex( mapData.imageIndex ); + if ( ! path ) return; + + const texture = this.loadTexture( path ); + + if ( mapData.wrap !== undefined ) texture.wrapS = this.getWrappingType( mapData.wrap.w ); + if ( mapData.wrap !== undefined ) texture.wrapT = this.getWrappingType( mapData.wrap.h ); + + switch ( name ) { + + case 'Color': + maps.map = texture; + maps.map.colorSpace = SRGBColorSpace; + break; + case 'Diffuse': + maps.aoMap = texture; + break; + case 'Roughness': + maps.roughnessMap = texture; + maps.roughness = 1; + break; + case 'Specular': + maps.specularMap = texture; + maps.specularMap.colorSpace = SRGBColorSpace; + maps.specular = 0xffffff; + break; + case 'Luminosity': + maps.emissiveMap = texture; + maps.emissiveMap.colorSpace = SRGBColorSpace; + maps.emissive = 0x808080; + break; + case 'Metallic': + maps.metalnessMap = texture; + maps.metalness = 1; + break; + case 'Transparency': + case 'Alpha': + maps.alphaMap = texture; + maps.transparent = true; + break; + case 'Normal': + maps.normalMap = texture; + break; + case 'Bump': + maps.bumpMap = texture; + break; + + } + + } + + } + + } + + parseAttributes( attributes, maps ) { + + const params = {}; + + // don't use color data if color map is present + if ( attributes.Color && ! maps.map ) { + + params.color = new Color().fromArray( attributes.Color.value ); + + } else { + + params.color = new Color(); + + } + + + if ( attributes.Transparency && attributes.Transparency.value !== 0 ) { + + params.opacity = 1 - attributes.Transparency.value; + params.transparent = true; + + } + + if ( attributes[ 'Bump Height' ] ) params.bumpScale = attributes[ 'Bump Height' ].value * 0.1; + + this.parsePhysicalAttributes( params, attributes, maps ); + this.parseStandardAttributes( params, attributes, maps ); + this.parsePhongAttributes( params, attributes, maps ); + + return params; + + } + + parsePhysicalAttributes( params, attributes/*, maps*/ ) { + + if ( attributes.Clearcoat && attributes.Clearcoat.value > 0 ) { + + params.clearcoat = attributes.Clearcoat.value; + + if ( attributes[ 'Clearcoat Gloss' ] ) { + + params.clearcoatRoughness = 0.5 * ( 1 - attributes[ 'Clearcoat Gloss' ].value ); + + } + + } + + } + + parseStandardAttributes( params, attributes, maps ) { + + + if ( attributes.Luminous ) { + + params.emissiveIntensity = attributes.Luminous.value; + + if ( attributes[ 'Luminous Color' ] && ! maps.emissive ) { + + params.emissive = new Color().fromArray( attributes[ 'Luminous Color' ].value ); + + } else { + + params.emissive = new Color( 0x808080 ); + + } + + } + + if ( attributes.Roughness && ! maps.roughnessMap ) params.roughness = attributes.Roughness.value; + if ( attributes.Metallic && ! maps.metalnessMap ) params.metalness = attributes.Metallic.value; + + } + + parsePhongAttributes( params, attributes, maps ) { + + if ( attributes[ 'Refraction Index' ] ) params.refractionRatio = 0.98 / attributes[ 'Refraction Index' ].value; + + if ( attributes.Diffuse ) params.color.multiplyScalar( attributes.Diffuse.value ); + + if ( attributes.Reflection ) { + + params.reflectivity = attributes.Reflection.value; + params.combine = AddOperation; + + } + + if ( attributes.Luminosity ) { + + params.emissiveIntensity = attributes.Luminosity.value; + + if ( ! maps.emissiveMap && ! maps.map ) { + + params.emissive = params.color; + + } else { + + params.emissive = new Color( 0x808080 ); + + } + + } + + // parse specular if there is no roughness - we will interpret the material as 'Phong' in this case + if ( ! attributes.Roughness && attributes.Specular && ! maps.specularMap ) { + + if ( attributes[ 'Color Highlight' ] ) { + + params.specular = new Color().setScalar( attributes.Specular.value ).lerp( params.color.clone().multiplyScalar( attributes.Specular.value ), attributes[ 'Color Highlight' ].value ); + + } else { + + params.specular = new Color().setScalar( attributes.Specular.value ); + + } + + } + + if ( params.specular && attributes.Glossiness ) params.shininess = 7 + Math.pow( 2, attributes.Glossiness.value * 12 + 2 ); + + } + + parseEnvMap( connections, maps, attributes ) { + + if ( connections.envMap ) { + + const envMap = this.loadTexture( connections.envMap ); + + if ( attributes.transparent && attributes.opacity < 0.999 ) { + + envMap.mapping = EquirectangularRefractionMapping; + + // Reflectivity and refraction mapping don't work well together in Phong materials + if ( attributes.reflectivity !== undefined ) { + + delete attributes.reflectivity; + delete attributes.combine; + + } + + if ( attributes.metalness !== undefined ) { + + attributes.metalness = 1; // For most transparent materials metalness should be set to 1 if not otherwise defined. If set to 0 no refraction will be visible + + } + + attributes.opacity = 1; // transparency fades out refraction, forcing opacity to 1 ensures a closer visual match to the material in Lightwave. + + } else envMap.mapping = EquirectangularReflectionMapping; + + maps.envMap = envMap; + + } + + } + + // get texture defined at top level by its index + getTexturePathByIndex( index ) { + + let fileName = ''; + + if ( ! _lwoTree.textures ) return fileName; + + _lwoTree.textures.forEach( function ( texture ) { + + if ( texture.index === index ) fileName = texture.fileName; + + } ); + + return fileName; + + } + + loadTexture( path ) { + + if ( ! path ) return null; + + const texture = this.textureLoader.load( + path, + undefined, + undefined, + function () { + + console.warn( 'LWOLoader: non-standard resource hierarchy. Use \`resourcePath\` parameter to specify root content directory.' ); + + } + ); + + return texture; + + } + + // 0 = Reset, 1 = Repeat, 2 = Mirror, 3 = Edge + getWrappingType( num ) { + + switch ( num ) { + + case 0: + console.warn( 'LWOLoader: "Reset" texture wrapping type is not supported in three.js' ); + return ClampToEdgeWrapping; + case 1: return RepeatWrapping; + case 2: return MirroredRepeatWrapping; + case 3: return ClampToEdgeWrapping; + + } + + } + + getMaterialType( nodeData ) { + + if ( nodeData.Clearcoat && nodeData.Clearcoat.value > 0 ) return MeshPhysicalMaterial; + if ( nodeData.Roughness ) return MeshStandardMaterial; + return MeshPhongMaterial; + + } + +} + +class GeometryParser { + + parse( geoData, layer ) { + + const geometry = new BufferGeometry(); + + geometry.setAttribute( 'position', new Float32BufferAttribute( geoData.points, 3 ) ); + + const indices = this.splitIndices( geoData.vertexIndices, geoData.polygonDimensions ); + geometry.setIndex( indices ); + + this.parseGroups( geometry, geoData ); + + geometry.computeVertexNormals(); + + this.parseUVs( geometry, layer ); + this.parseMorphTargets( geometry, layer ); + + // TODO: z may need to be reversed to account for coordinate system change + geometry.translate( - layer.pivot[ 0 ], - layer.pivot[ 1 ], - layer.pivot[ 2 ] ); + + // let userData = geometry.userData; + // geometry = geometry.toNonIndexed() + // geometry.userData = userData; + + return geometry; + + } + + // split quads into tris + splitIndices( indices, polygonDimensions ) { + + const remappedIndices = []; + + let i = 0; + polygonDimensions.forEach( function ( dim ) { + + if ( dim < 4 ) { + + for ( let k = 0; k < dim; k ++ ) remappedIndices.push( indices[ i + k ] ); + + } else if ( dim === 4 ) { + + remappedIndices.push( + indices[ i ], + indices[ i + 1 ], + indices[ i + 2 ], + + indices[ i ], + indices[ i + 2 ], + indices[ i + 3 ] + + ); + + } else if ( dim > 4 ) { + + for ( let k = 1; k < dim - 1; k ++ ) { + + remappedIndices.push( indices[ i ], indices[ i + k ], indices[ i + k + 1 ] ); + + } + + console.warn( 'LWOLoader: polygons with greater than 4 sides are not supported' ); + + } + + i += dim; + + } ); + + return remappedIndices; + + } + + // NOTE: currently ignoring poly indices and assuming that they are intelligently ordered + parseGroups( geometry, geoData ) { + + const tags = _lwoTree.tags; + const matNames = []; + + let elemSize = 3; + if ( geoData.type === 'lines' ) elemSize = 2; + if ( geoData.type === 'points' ) elemSize = 1; + + const remappedIndices = this.splitMaterialIndices( geoData.polygonDimensions, geoData.materialIndices ); + + let indexNum = 0; // create new indices in numerical order + const indexPairs = {}; // original indices mapped to numerical indices + + let prevMaterialIndex; + let materialIndex; + + let prevStart = 0; + let currentCount = 0; + + for ( let i = 0; i < remappedIndices.length; i += 2 ) { + + materialIndex = remappedIndices[ i + 1 ]; + + if ( i === 0 ) matNames[ indexNum ] = tags[ materialIndex ]; + + if ( prevMaterialIndex === undefined ) prevMaterialIndex = materialIndex; + + if ( materialIndex !== prevMaterialIndex ) { + + let currentIndex; + if ( indexPairs[ tags[ prevMaterialIndex ] ] ) { + + currentIndex = indexPairs[ tags[ prevMaterialIndex ] ]; + + } else { + + currentIndex = indexNum; + indexPairs[ tags[ prevMaterialIndex ] ] = indexNum; + matNames[ indexNum ] = tags[ prevMaterialIndex ]; + indexNum ++; + + } + + geometry.addGroup( prevStart, currentCount, currentIndex ); + + prevStart += currentCount; + + prevMaterialIndex = materialIndex; + currentCount = 0; + + } + + currentCount += elemSize; + + } + + // the loop above doesn't add the last group, do that here. + if ( geometry.groups.length > 0 ) { + + let currentIndex; + if ( indexPairs[ tags[ materialIndex ] ] ) { + + currentIndex = indexPairs[ tags[ materialIndex ] ]; + + } else { + + currentIndex = indexNum; + indexPairs[ tags[ materialIndex ] ] = indexNum; + matNames[ indexNum ] = tags[ materialIndex ]; + + } + + geometry.addGroup( prevStart, currentCount, currentIndex ); + + } + + // Mat names from TAGS chunk, used to build up an array of materials for this geometry + geometry.userData.matNames = matNames; + + } + + splitMaterialIndices( polygonDimensions, indices ) { + + const remappedIndices = []; + + polygonDimensions.forEach( function ( dim, i ) { + + if ( dim <= 3 ) { + + remappedIndices.push( indices[ i * 2 ], indices[ i * 2 + 1 ] ); + + } else if ( dim === 4 ) { + + remappedIndices.push( indices[ i * 2 ], indices[ i * 2 + 1 ], indices[ i * 2 ], indices[ i * 2 + 1 ] ); + + } else { + + // ignore > 4 for now + for ( let k = 0; k < dim - 2; k ++ ) { + + remappedIndices.push( indices[ i * 2 ], indices[ i * 2 + 1 ] ); + + } + + } + + } ); + + return remappedIndices; + + } + + // UV maps: + // 1: are defined via index into an array of points, not into a geometry + // - the geometry is also defined by an index into this array, but the indexes may not match + // 2: there can be any number of UV maps for a single geometry. Here these are combined, + // with preference given to the first map encountered + // 3: UV maps can be partial - that is, defined for only a part of the geometry + // 4: UV maps can be VMAP or VMAD (discontinuous, to allow for seams). In practice, most + // UV maps are defined as partially VMAP and partially VMAD + // VMADs are currently not supported + parseUVs( geometry, layer ) { + + // start by creating a UV map set to zero for the whole geometry + const remappedUVs = Array.from( Array( geometry.attributes.position.count * 2 ), function () { + + return 0; + + } ); + + for ( const name in layer.uvs ) { + + const uvs = layer.uvs[ name ].uvs; + const uvIndices = layer.uvs[ name ].uvIndices; + + uvIndices.forEach( function ( i, j ) { + + remappedUVs[ i * 2 ] = uvs[ j * 2 ]; + remappedUVs[ i * 2 + 1 ] = uvs[ j * 2 + 1 ]; + + } ); + + } + + geometry.setAttribute( 'uv', new Float32BufferAttribute( remappedUVs, 2 ) ); + + } + + parseMorphTargets( geometry, layer ) { + + let num = 0; + for ( const name in layer.morphTargets ) { + + const remappedPoints = geometry.attributes.position.array.slice(); + + if ( ! geometry.morphAttributes.position ) geometry.morphAttributes.position = []; + + const morphPoints = layer.morphTargets[ name ].points; + const morphIndices = layer.morphTargets[ name ].indices; + const type = layer.morphTargets[ name ].type; + + morphIndices.forEach( function ( i, j ) { + + if ( type === 'relative' ) { + + remappedPoints[ i * 3 ] += morphPoints[ j * 3 ]; + remappedPoints[ i * 3 + 1 ] += morphPoints[ j * 3 + 1 ]; + remappedPoints[ i * 3 + 2 ] += morphPoints[ j * 3 + 2 ]; + + } else { + + remappedPoints[ i * 3 ] = morphPoints[ j * 3 ]; + remappedPoints[ i * 3 + 1 ] = morphPoints[ j * 3 + 1 ]; + remappedPoints[ i * 3 + 2 ] = morphPoints[ j * 3 + 2 ]; + + } + + } ); + + geometry.morphAttributes.position[ num ] = new Float32BufferAttribute( remappedPoints, 3 ); + geometry.morphAttributes.position[ num ].name = name; + + num ++; + + } + + geometry.morphTargetsRelative = false; + + } + +} + + +// ************** UTILITY FUNCTIONS ************** + +function extractParentUrl( url, dir ) { + + const index = url.indexOf( dir ); + + if ( index === - 1 ) return './'; + + return url.slice( 0, index ); + +} + +export { LWOLoader }; diff --git a/node_modules/three/examples/jsm/loaders/LottieLoader.js b/node_modules/three/examples/jsm/loaders/LottieLoader.js new file mode 100644 index 0000000..586388c --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/LottieLoader.js @@ -0,0 +1,130 @@ +import { + FileLoader, + Loader, + CanvasTexture, + NearestFilter, + SRGBColorSpace +} from 'three'; + +import lottie from '../libs/lottie_canvas.module.js'; + +/** + * A loader for the Lottie texture animation format. + * + * The loader returns an instance of {@link CanvasTexture} to represent + * the animated texture. Two additional properties are added to each texture: + * - `animation`: The return value of `lottie.loadAnimation()` which is an object + * with an API for controlling the animation's playback. + * - `image`: The image container. + * + * ```js + * const loader = new LottieLoader(); + * loader.setQuality( 2 ); + * const texture = await loader.loadAsync( 'textures/lottie/24017-lottie-logo-animation.json' ); + * + * const geometry = new THREE.BoxGeometry(); + * const material = new THREE.MeshBasicMaterial( { map: texture } ); + * const mesh = new THREE.Mesh( geometry, material ); + * scene.add( mesh ); + * ``` + * + * @augments Loader + * @three_import import { LottieLoader } from 'three/addons/loaders/LottieLoader.js'; + */ +class LottieLoader extends Loader { + + /** + * Constructs a new Lottie loader. + * + * @deprecated The loader has been deprecated and will be removed with r186. Use lottie-web instead and create your animated texture manually. + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + console.warn( 'THREE.LottieLoader: The loader has been deprecated and will be removed with r186. Use lottie-web instead and create your animated texture manually.' ); + + } + + /** + * Sets the texture quality. + * + * @param {number} value - The texture quality. + */ + setQuality( value ) { + + this._quality = value; + + } + + /** + * Starts loading from the given URL and passes the loaded Lottie asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(CanvasTexture)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + * @returns {CanvasTexture} The Lottie texture. + */ + load( url, onLoad, onProgress, onError ) { + + const quality = this._quality || 1; + + const texture = new CanvasTexture(); + texture.minFilter = NearestFilter; + texture.generateMipmaps = false; + texture.colorSpace = SRGBColorSpace; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setWithCredentials( this.withCredentials ); + + loader.load( url, function ( text ) { + + const data = JSON.parse( text ); + + // lottie uses container.offsetWidth and offsetHeight + // to define width/height + + const container = document.createElement( 'div' ); + container.style.width = data.w + 'px'; + container.style.height = data.h + 'px'; + document.body.appendChild( container ); + + const animation = lottie.loadAnimation( { + container: container, + animType: 'canvas', + loop: true, + autoplay: true, + animationData: data, + rendererSettings: { dpr: quality } + } ); + + texture.animation = animation; + texture.image = animation.container; + + animation.addEventListener( 'enterFrame', function () { + + texture.needsUpdate = true; + + } ); + + container.style.display = 'none'; + + if ( onLoad !== undefined ) { + + onLoad( texture ); + + } + + }, onProgress, onError ); + + return texture; + + } + +} + +export { LottieLoader }; diff --git a/node_modules/three/examples/jsm/loaders/MD2Loader.js b/node_modules/three/examples/jsm/loaders/MD2Loader.js new file mode 100644 index 0000000..d3a8a06 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/MD2Loader.js @@ -0,0 +1,435 @@ +import { + AnimationClip, + BufferGeometry, + FileLoader, + Float32BufferAttribute, + Loader, + Vector3 +} from 'three'; + +const _normalData = [ + [ - 0.525731, 0.000000, 0.850651 ], [ - 0.442863, 0.238856, 0.864188 ], + [ - 0.295242, 0.000000, 0.955423 ], [ - 0.309017, 0.500000, 0.809017 ], + [ - 0.162460, 0.262866, 0.951056 ], [ 0.000000, 0.000000, 1.000000 ], + [ 0.000000, 0.850651, 0.525731 ], [ - 0.147621, 0.716567, 0.681718 ], + [ 0.147621, 0.716567, 0.681718 ], [ 0.000000, 0.525731, 0.850651 ], + [ 0.309017, 0.500000, 0.809017 ], [ 0.525731, 0.000000, 0.850651 ], + [ 0.295242, 0.000000, 0.955423 ], [ 0.442863, 0.238856, 0.864188 ], + [ 0.162460, 0.262866, 0.951056 ], [ - 0.681718, 0.147621, 0.716567 ], + [ - 0.809017, 0.309017, 0.500000 ], [ - 0.587785, 0.425325, 0.688191 ], + [ - 0.850651, 0.525731, 0.000000 ], [ - 0.864188, 0.442863, 0.238856 ], + [ - 0.716567, 0.681718, 0.147621 ], [ - 0.688191, 0.587785, 0.425325 ], + [ - 0.500000, 0.809017, 0.309017 ], [ - 0.238856, 0.864188, 0.442863 ], + [ - 0.425325, 0.688191, 0.587785 ], [ - 0.716567, 0.681718, - 0.147621 ], + [ - 0.500000, 0.809017, - 0.309017 ], [ - 0.525731, 0.850651, 0.000000 ], + [ 0.000000, 0.850651, - 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0.681718, 0.147621 ], + [ 0.525731, - 0.850651, 0.000000 ], [ - 0.238856, - 0.864188, - 0.442863 ], + [ - 0.500000, - 0.809017, - 0.309017 ], [ - 0.262866, - 0.951056, - 0.162460 ], + [ - 0.850651, - 0.525731, 0.000000 ], [ - 0.716567, - 0.681718, - 0.147621 ], + [ - 0.716567, - 0.681718, 0.147621 ], [ - 0.525731, - 0.850651, 0.000000 ], + [ - 0.500000, - 0.809017, 0.309017 ], [ - 0.238856, - 0.864188, 0.442863 ], + [ - 0.262866, - 0.951056, 0.162460 ], [ - 0.864188, - 0.442863, 0.238856 ], + [ - 0.809017, - 0.309017, 0.500000 ], [ - 0.688191, - 0.587785, 0.425325 ], + [ - 0.681718, - 0.147621, 0.716567 ], [ - 0.442863, - 0.238856, 0.864188 ], + [ - 0.587785, - 0.425325, 0.688191 ], [ - 0.309017, - 0.500000, 0.809017 ], + [ - 0.147621, - 0.716567, 0.681718 ], [ - 0.425325, - 0.688191, 0.587785 ], + [ - 0.162460, - 0.262866, 0.951056 ], [ 0.442863, - 0.238856, 0.864188 ], + [ 0.162460, - 0.262866, 0.951056 ], [ 0.309017, - 0.500000, 0.809017 ], + [ 0.147621, - 0.716567, 0.681718 ], [ 0.000000, - 0.525731, 0.850651 ], + [ 0.425325, - 0.688191, 0.587785 ], [ 0.587785, - 0.425325, 0.688191 ], + [ 0.688191, - 0.587785, 0.425325 ], [ - 0.955423, 0.295242, 0.000000 ], + [ - 0.951056, 0.162460, 0.262866 ], [ - 1.000000, 0.000000, 0.000000 ], + [ - 0.850651, 0.000000, 0.525731 ], [ - 0.955423, - 0.295242, 0.000000 ], + [ - 0.951056, - 0.162460, 0.262866 ], [ - 0.864188, 0.442863, - 0.238856 ], + [ - 0.951056, 0.162460, - 0.262866 ], [ - 0.809017, 0.309017, - 0.500000 ], + [ - 0.864188, - 0.442863, - 0.238856 ], [ - 0.951056, - 0.162460, - 0.262866 ], + [ - 0.809017, - 0.309017, - 0.500000 ], [ - 0.681718, 0.147621, - 0.716567 ], + [ - 0.681718, - 0.147621, - 0.716567 ], [ - 0.850651, 0.000000, - 0.525731 ], + [ - 0.688191, 0.587785, - 0.425325 ], [ - 0.587785, 0.425325, - 0.688191 ], + [ - 0.425325, 0.688191, - 0.587785 ], [ - 0.425325, - 0.688191, - 0.587785 ], + [ - 0.587785, - 0.425325, - 0.688191 ], [ - 0.688191, - 0.587785, - 0.425325 ] +]; + +/** + * A loader for the MD2 format. + * + * The loader represents the animations of the MD2 asset as an array of animation + * clips and stores them in the `animations` property of the geometry. + * + * ```js + * const loader = new MD2Loader(); + * const geometry = await loader.loadAsync( './models/md2/ogro/ogro.md2' ); + * + * const animations = geometry.animations; + * ``` + * + * @augments Loader + * @three_import import { MD2Loader } from 'three/addons/loaders/MD2Loader.js'; + */ +class MD2Loader extends Loader { + + /** + * Constructs a new MD2 loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded MD2 asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} [onProgress] - Executed while the loading is in progress. + * @param {onErrorCallback} [onError] - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( buffer ) { + + try { + + onLoad( scope.parse( buffer ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given MD2 data and returns a geometry. + * + * @param {ArrayBuffer} buffer - The raw MD2 data as an array buffer. + * @return {BufferGeometry} The parsed geometry data. + */ + parse( buffer ) { + + const data = new DataView( buffer ); + + // http://tfc.duke.free.fr/coding/md2-specs-en.html + + const header = {}; + const headerNames = [ + 'ident', 'version', + 'skinwidth', 'skinheight', + 'framesize', + 'num_skins', 'num_vertices', 'num_st', 'num_tris', 'num_glcmds', 'num_frames', + 'offset_skins', 'offset_st', 'offset_tris', 'offset_frames', 'offset_glcmds', 'offset_end' + ]; + + for ( let i = 0; i < headerNames.length; i ++ ) { + + header[ headerNames[ i ] ] = data.getInt32( i * 4, true ); + + } + + if ( header.ident !== 844121161 || header.version !== 8 ) { + + console.error( 'Not a valid MD2 file' ); + return; + + } + + if ( header.offset_end !== data.byteLength ) { + + console.error( 'Corrupted MD2 file' ); + return; + + } + + // + + const geometry = new BufferGeometry(); + + // uvs + + const uvsTemp = []; + let offset = header.offset_st; + + for ( let i = 0, l = header.num_st; i < l; i ++ ) { + + const u = data.getInt16( offset + 0, true ); + const v = data.getInt16( offset + 2, true ); + + uvsTemp.push( u / header.skinwidth, 1 - ( v / header.skinheight ) ); + + offset += 4; + + } + + // triangles + + offset = header.offset_tris; + + const vertexIndices = []; + const uvIndices = []; + + for ( let i = 0, l = header.num_tris; i < l; i ++ ) { + + vertexIndices.push( + data.getUint16( offset + 0, true ), + data.getUint16( offset + 2, true ), + data.getUint16( offset + 4, true ) + ); + + uvIndices.push( + data.getUint16( offset + 6, true ), + data.getUint16( offset + 8, true ), + data.getUint16( offset + 10, true ) + ); + + offset += 12; + + } + + // frames + + const translation = new Vector3(); + const scale = new Vector3(); + + const frames = []; + + offset = header.offset_frames; + + for ( let i = 0, l = header.num_frames; i < l; i ++ ) { + + scale.set( + data.getFloat32( offset + 0, true ), + data.getFloat32( offset + 4, true ), + data.getFloat32( offset + 8, true ) + ); + + translation.set( + data.getFloat32( offset + 12, true ), + data.getFloat32( offset + 16, true ), + data.getFloat32( offset + 20, true ) + ); + + offset += 24; + + const string = []; + + for ( let j = 0; j < 16; j ++ ) { + + const character = data.getUint8( offset + j ); + if ( character === 0 ) break; + + string[ j ] = character; + + } + + const frame = { + name: String.fromCharCode.apply( null, string ), + vertices: [], + normals: [] + }; + + offset += 16; + + for ( let j = 0; j < header.num_vertices; j ++ ) { + + let x = data.getUint8( offset ++ ); + let y = data.getUint8( offset ++ ); + let z = data.getUint8( offset ++ ); + const n = _normalData[ data.getUint8( offset ++ ) ]; + + x = x * scale.x + translation.x; + y = y * scale.y + translation.y; + z = z * scale.z + translation.z; + + frame.vertices.push( x, z, y ); // convert to Y-up + frame.normals.push( n[ 0 ], n[ 2 ], n[ 1 ] ); // convert to Y-up + + } + + frames.push( frame ); + + } + + // static + + const positions = []; + const normals = []; + const uvs = []; + + const verticesTemp = frames[ 0 ].vertices; + const normalsTemp = frames[ 0 ].normals; + + for ( let i = 0, l = vertexIndices.length; i < l; i ++ ) { + + const vertexIndex = vertexIndices[ i ]; + let stride = vertexIndex * 3; + + // + + const x = verticesTemp[ stride ]; + const y = verticesTemp[ stride + 1 ]; + const z = verticesTemp[ stride + 2 ]; + + positions.push( x, y, z ); + + // + + const nx = normalsTemp[ stride ]; + const ny = normalsTemp[ stride + 1 ]; + const nz = normalsTemp[ stride + 2 ]; + + normals.push( nx, ny, nz ); + + // + + const uvIndex = uvIndices[ i ]; + stride = uvIndex * 2; + + const u = uvsTemp[ stride ]; + const v = uvsTemp[ stride + 1 ]; + + uvs.push( u, v ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + geometry.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + geometry.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + // animation + + const morphPositions = []; + const morphNormals = []; + + for ( let i = 0, l = frames.length; i < l; i ++ ) { + + const frame = frames[ i ]; + const attributeName = frame.name; + + if ( frame.vertices.length > 0 ) { + + const positions = []; + + for ( let j = 0, jl = vertexIndices.length; j < jl; j ++ ) { + + const vertexIndex = vertexIndices[ j ]; + const stride = vertexIndex * 3; + + const x = frame.vertices[ stride ]; + const y = frame.vertices[ stride + 1 ]; + const z = frame.vertices[ stride + 2 ]; + + positions.push( x, y, z ); + + } + + const positionAttribute = new Float32BufferAttribute( positions, 3 ); + positionAttribute.name = attributeName; + + morphPositions.push( positionAttribute ); + + } + + if ( frame.normals.length > 0 ) { + + const normals = []; + + for ( let j = 0, jl = vertexIndices.length; j < jl; j ++ ) { + + const vertexIndex = vertexIndices[ j ]; + const stride = vertexIndex * 3; + + const nx = frame.normals[ stride ]; + const ny = frame.normals[ stride + 1 ]; + const nz = frame.normals[ stride + 2 ]; + + normals.push( nx, ny, nz ); + + } + + const normalAttribute = new Float32BufferAttribute( normals, 3 ); + normalAttribute.name = attributeName; + + morphNormals.push( normalAttribute ); + + } + + } + + geometry.morphAttributes.position = morphPositions; + geometry.morphAttributes.normal = morphNormals; + geometry.morphTargetsRelative = false; + + geometry.animations = AnimationClip.CreateClipsFromMorphTargetSequences( frames, 10, false ); + + return geometry; + + } + +} + +export { MD2Loader }; diff --git a/node_modules/three/examples/jsm/loaders/MDDLoader.js b/node_modules/three/examples/jsm/loaders/MDDLoader.js new file mode 100644 index 0000000..5ce29b3 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/MDDLoader.js @@ -0,0 +1,147 @@ +import { + AnimationClip, + BufferAttribute, + FileLoader, + Loader, + NumberKeyframeTrack +} from 'three'; + +/** + * A loader for the MDD format. + * + * MDD stores a position for every vertex in a model for every frame in an animation. + * Similar to BVH, it can be used to transfer animation data between different 3D applications or engines. + * + * MDD stores its data in binary format (big endian) in the following way: + * + * - number of frames (a single uint32) + * - number of vertices (a single uint32) + * - time values for each frame (sequence of float32) + * - vertex data for each frame (sequence of float32) + * + * ```js + * const loader = new MDDLoader(); + * const result = await loader.loadAsync( 'models/mdd/cube.mdd' ); + * + * const morphTargets = result.morphTargets; + * const clip = result.clip; + * // clip.optimize(); // optional + * + * const geometry = new THREE.BoxGeometry(); + * geometry.morphAttributes.position = morphTargets; // apply morph targets (vertex data must match) + * + * const material = new THREE.MeshBasicMaterial(); + * + * const mesh = new THREE.Mesh( geometry, material ); + * scene.add( mesh ); + * + * const mixer = new THREE.AnimationMixer( mesh ); + * mixer.clipAction( clip ).play(); + * ``` + * + * @augments Loader + * @three_import import { MDDLoader } from 'three/addons/loaders/MDDLoader.js'; + */ +class MDDLoader extends Loader { + + /** + * Constructs a new MDD loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded MDD asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({clip:AnimationClip, morphTargets:Array})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.load( url, function ( data ) { + + onLoad( scope.parse( data ) ); + + }, onProgress, onError ); + + } + + /** + * Parses the given MDD data and returns an object holding the animation clip and the respective + * morph targets. + * + * @param {ArrayBuffer} data - The raw XYZ data as an array buffer. + * @return {{clip:AnimationClip, morphTargets:Array}} The result object. + */ + parse( data ) { + + const view = new DataView( data ); + + const totalFrames = view.getUint32( 0 ); + const totalPoints = view.getUint32( 4 ); + + let offset = 8; + + // animation clip + + const times = new Float32Array( totalFrames ); + const values = new Float32Array( totalFrames * totalFrames ).fill( 0 ); + + for ( let i = 0; i < totalFrames; i ++ ) { + + times[ i ] = view.getFloat32( offset ); offset += 4; + values[ ( totalFrames * i ) + i ] = 1; + + } + + const track = new NumberKeyframeTrack( '.morphTargetInfluences', times, values ); + const clip = new AnimationClip( 'default', times[ times.length - 1 ], [ track ] ); + + // morph targets + + const morphTargets = []; + + for ( let i = 0; i < totalFrames; i ++ ) { + + const morphTarget = new Float32Array( totalPoints * 3 ); + + for ( let j = 0; j < totalPoints; j ++ ) { + + const stride = ( j * 3 ); + + morphTarget[ stride + 0 ] = view.getFloat32( offset ); offset += 4; // x + morphTarget[ stride + 1 ] = view.getFloat32( offset ); offset += 4; // y + morphTarget[ stride + 2 ] = view.getFloat32( offset ); offset += 4; // z + + } + + const attribute = new BufferAttribute( morphTarget, 3 ); + attribute.name = 'morph_' + i; + + morphTargets.push( attribute ); + + } + + return { + morphTargets: morphTargets, + clip: clip + }; + + } + +} + +export { MDDLoader }; diff --git a/node_modules/three/examples/jsm/loaders/MTLLoader.js b/node_modules/three/examples/jsm/loaders/MTLLoader.js new file mode 100644 index 0000000..3ce468d --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/MTLLoader.js @@ -0,0 +1,593 @@ +import { + Color, + ColorManagement, + DefaultLoadingManager, + FileLoader, + FrontSide, + Loader, + LoaderUtils, + MeshPhongMaterial, + RepeatWrapping, + TextureLoader, + Vector2, + SRGBColorSpace +} from 'three'; + +/** + * A loader for the MTL format. + * + * The Material Template Library format (MTL) or .MTL File Format is a companion file format + * to OBJ that describes surface shading (material) properties of objects within one or more + * OBJ files. + * + * ```js + * const loader = new MTLLoader(); + * const materials = await loader.loadAsync( 'models/obj/male02/male02.mtl' ); + * + * const objLoader = new OBJLoader(); + * objLoader.setMaterials( materials ); + * ``` + * + * @augments Loader + * @three_import import { MTLLoader } from 'three/addons/loaders/MTLLoader.js'; + */ +class MTLLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded MTL asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(MaterialCreator)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text, path ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Sets the material options. + * + * @param {MTLLoader~MaterialOptions} value - The material options. + * @return {MTLLoader} A reference to this loader. + */ + setMaterialOptions( value ) { + + this.materialOptions = value; + return this; + + } + + /** + * Parses the given MTL data and returns the resulting material creator. + * + * @param {string} text - The raw MTL data as a string. + * @param {string} path - The URL base path. + * @return {MaterialCreator} The material creator. + */ + parse( text, path ) { + + const lines = text.split( '\n' ); + let info = {}; + const delimiter_pattern = /\s+/; + const materialsInfo = {}; + + for ( let i = 0; i < lines.length; i ++ ) { + + let line = lines[ i ]; + line = line.trim(); + + if ( line.length === 0 || line.charAt( 0 ) === '#' ) { + + // Blank line or comment ignore + continue; + + } + + const pos = line.indexOf( ' ' ); + + let key = ( pos >= 0 ) ? line.substring( 0, pos ) : line; + key = key.toLowerCase(); + + let value = ( pos >= 0 ) ? line.substring( pos + 1 ) : ''; + value = value.trim(); + + if ( key === 'newmtl' ) { + + // New material + + info = { name: value }; + materialsInfo[ value ] = info; + + } else { + + if ( key === 'ka' || key === 'kd' || key === 'ks' || key === 'ke' ) { + + const ss = value.split( delimiter_pattern, 3 ); + info[ key ] = [ parseFloat( ss[ 0 ] ), parseFloat( ss[ 1 ] ), parseFloat( ss[ 2 ] ) ]; + + } else { + + info[ key ] = value; + + } + + } + + } + + const materialCreator = new MaterialCreator( this.resourcePath || path, this.materialOptions ); + materialCreator.setCrossOrigin( this.crossOrigin ); + materialCreator.setManager( this.manager ); + materialCreator.setMaterials( materialsInfo ); + return materialCreator; + + } + +} + +/** + * Material options of `MTLLoader`. + * + * @typedef {Object} MTLLoader~MaterialOptions + * @property {(FrontSide|BackSide|DoubleSide)} [side=FrontSide] - Which side to apply the material. + * @property {(RepeatWrapping|ClampToEdgeWrapping|MirroredRepeatWrapping)} [wrap=RepeatWrapping] - What type of wrapping to apply for textures. + * @property {boolean} [normalizeRGB=false] - Whether RGB colors should be normalized to `0-1` from `0-255`. + * @property {boolean} [ignoreZeroRGBs=false] - Ignore values of RGBs (Ka,Kd,Ks) that are all 0's. + */ + +class MaterialCreator { + + constructor( baseUrl = '', options = {} ) { + + this.baseUrl = baseUrl; + this.options = options; + this.materialsInfo = {}; + this.materials = {}; + this.materialsArray = []; + this.nameLookup = {}; + + this.crossOrigin = 'anonymous'; + + this.side = ( this.options.side !== undefined ) ? this.options.side : FrontSide; + this.wrap = ( this.options.wrap !== undefined ) ? this.options.wrap : RepeatWrapping; + + } + + setCrossOrigin( value ) { + + this.crossOrigin = value; + return this; + + } + + setManager( value ) { + + this.manager = value; + + } + + setMaterials( materialsInfo ) { + + this.materialsInfo = this.convert( materialsInfo ); + this.materials = {}; + this.materialsArray = []; + this.nameLookup = {}; + + } + + convert( materialsInfo ) { + + if ( ! this.options ) return materialsInfo; + + const converted = {}; + + for ( const mn in materialsInfo ) { + + // Convert materials info into normalized form based on options + + const mat = materialsInfo[ mn ]; + + const covmat = {}; + + converted[ mn ] = covmat; + + for ( const prop in mat ) { + + let save = true; + let value = mat[ prop ]; + const lprop = prop.toLowerCase(); + + switch ( lprop ) { + + case 'kd': + case 'ka': + case 'ks': + + // Diffuse color (color under white light) using RGB values + + if ( this.options && this.options.normalizeRGB ) { + + value = [ value[ 0 ] / 255, value[ 1 ] / 255, value[ 2 ] / 255 ]; + + } + + if ( this.options && this.options.ignoreZeroRGBs ) { + + if ( value[ 0 ] === 0 && value[ 1 ] === 0 && value[ 2 ] === 0 ) { + + // ignore + + save = false; + + } + + } + + break; + + default: + + break; + + } + + if ( save ) { + + covmat[ lprop ] = value; + + } + + } + + } + + return converted; + + } + + preload() { + + for ( const mn in this.materialsInfo ) { + + this.create( mn ); + + } + + } + + getIndex( materialName ) { + + return this.nameLookup[ materialName ]; + + } + + getAsArray() { + + let index = 0; + + for ( const mn in this.materialsInfo ) { + + this.materialsArray[ index ] = this.create( mn ); + this.nameLookup[ mn ] = index; + index ++; + + } + + return this.materialsArray; + + } + + create( materialName ) { + + if ( this.materials[ materialName ] === undefined ) { + + this.createMaterial_( materialName ); + + } + + return this.materials[ materialName ]; + + } + + createMaterial_( materialName ) { + + // Create material + + const scope = this; + const mat = this.materialsInfo[ materialName ]; + const params = { + + name: materialName, + side: this.side + + }; + + function resolveURL( baseUrl, url ) { + + if ( typeof url !== 'string' || url === '' ) + return ''; + + // Absolute URL + if ( /^https?:\/\//i.test( url ) ) return url; + + return baseUrl + url; + + } + + function setMapForType( mapType, value ) { + + if ( params[ mapType ] ) return; // Keep the first encountered texture + + const texParams = scope.getTextureParams( value, params ); + const map = scope.loadTexture( resolveURL( scope.baseUrl, texParams.url ) ); + + map.repeat.copy( texParams.scale ); + map.offset.copy( texParams.offset ); + + map.wrapS = scope.wrap; + map.wrapT = scope.wrap; + + if ( mapType === 'map' || mapType === 'emissiveMap' ) { + + map.colorSpace = SRGBColorSpace; + + } + + params[ mapType ] = map; + + } + + for ( const prop in mat ) { + + const value = mat[ prop ]; + let n; + + if ( value === '' ) continue; + + switch ( prop.toLowerCase() ) { + + // Ns is material specular exponent + + case 'kd': + + // Diffuse color (color under white light) using RGB values + + params.color = ColorManagement.colorSpaceToWorking( new Color().fromArray( value ), SRGBColorSpace ); + + break; + + case 'ks': + + // Specular color (color when light is reflected from shiny surface) using RGB values + params.specular = ColorManagement.colorSpaceToWorking( new Color().fromArray( value ), SRGBColorSpace ); + + break; + + case 'ke': + + // Emissive using RGB values + params.emissive = ColorManagement.colorSpaceToWorking( new Color().fromArray( value ), SRGBColorSpace ); + + break; + + case 'map_kd': + + // Diffuse texture map + + setMapForType( 'map', value ); + + break; + + case 'map_ks': + + // Specular map + + setMapForType( 'specularMap', value ); + + break; + + case 'map_ke': + + // Emissive map + + setMapForType( 'emissiveMap', value ); + + break; + + case 'norm': + + setMapForType( 'normalMap', value ); + + break; + + case 'map_bump': + case 'bump': + + // Bump texture map + + setMapForType( 'bumpMap', value ); + + break; + + case 'disp': + + // Displacement texture map + + setMapForType( 'displacementMap', value ); + + break; + + case 'map_d': + + // Alpha map + + setMapForType( 'alphaMap', value ); + params.transparent = true; + + break; + + case 'ns': + + // The specular exponent (defines the focus of the specular highlight) + // A high exponent results in a tight, concentrated highlight. Ns values normally range from 0 to 1000. + + params.shininess = parseFloat( value ); + + break; + + case 'd': + n = parseFloat( value ); + + if ( n < 1 ) { + + params.opacity = n; + params.transparent = true; + + } + + break; + + case 'tr': + n = parseFloat( value ); + + if ( this.options && this.options.invertTrProperty ) n = 1 - n; + + if ( n > 0 ) { + + params.opacity = 1 - n; + params.transparent = true; + + } + + break; + + default: + break; + + } + + } + + this.materials[ materialName ] = new MeshPhongMaterial( params ); + return this.materials[ materialName ]; + + } + + getTextureParams( value, matParams ) { + + const texParams = { + + scale: new Vector2( 1, 1 ), + offset: new Vector2( 0, 0 ) + + }; + + const items = value.split( /\s+/ ); + let pos; + + pos = items.indexOf( '-bm' ); + + if ( pos >= 0 ) { + + matParams.bumpScale = parseFloat( items[ pos + 1 ] ); + items.splice( pos, 2 ); + + } + + pos = items.indexOf( '-mm' ); + + if ( pos >= 0 ) { + + matParams.displacementBias = parseFloat( items[ pos + 1 ] ); + matParams.displacementScale = parseFloat( items[ pos + 2 ] ); + items.splice( pos, 3 ); + + } + + pos = items.indexOf( '-s' ); + + if ( pos >= 0 ) { + + texParams.scale.set( parseFloat( items[ pos + 1 ] ), parseFloat( items[ pos + 2 ] ) ); + items.splice( pos, 4 ); // we expect 3 parameters here! + + } + + pos = items.indexOf( '-o' ); + + if ( pos >= 0 ) { + + texParams.offset.set( parseFloat( items[ pos + 1 ] ), parseFloat( items[ pos + 2 ] ) ); + items.splice( pos, 4 ); // we expect 3 parameters here! + + } + + texParams.url = items.join( ' ' ).trim(); + return texParams; + + } + + loadTexture( url, mapping, onLoad, onProgress, onError ) { + + const manager = ( this.manager !== undefined ) ? this.manager : DefaultLoadingManager; + let loader = manager.getHandler( url ); + + if ( loader === null ) { + + loader = new TextureLoader( manager ); + + } + + if ( loader.setCrossOrigin ) loader.setCrossOrigin( this.crossOrigin ); + + const texture = loader.load( url, onLoad, onProgress, onError ); + + if ( mapping !== undefined ) texture.mapping = mapping; + + return texture; + + } + +} + +export { MTLLoader }; diff --git a/node_modules/three/examples/jsm/loaders/MaterialXLoader.js b/node_modules/three/examples/jsm/loaders/MaterialXLoader.js new file mode 100644 index 0000000..8c4271c --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/MaterialXLoader.js @@ -0,0 +1,1104 @@ +import { + FileLoader, Loader, ImageBitmapLoader, Texture, RepeatWrapping, MeshBasicNodeMaterial, + MeshPhysicalNodeMaterial, DoubleSide, +} from 'three/webgpu'; + +import { + float, bool, int, vec2, vec3, vec4, color, texture, + positionLocal, positionWorld, uv, vertexColor, + normalLocal, normalWorld, tangentLocal, tangentWorld, + mul, abs, sign, floor, ceil, round, sin, cos, tan, + asin, acos, sqrt, exp, clamp, min, max, normalize, length, dot, cross, normalMap, + remap, smoothstep, luminance, mx_rgbtohsv, mx_hsvtorgb, + mix, saturation, transpose, determinant, inverse, log, reflect, refract, element, + mx_ramplr, mx_ramptb, mx_splitlr, mx_splittb, + mx_fractal_noise_float, mx_noise_float, mx_cell_noise_float, mx_worley_noise_float, + mx_transform_uv, + mx_safepower, mx_contrast, + mx_srgb_texture_to_lin_rec709, + mx_add, mx_atan2, mx_divide, mx_modulo, mx_multiply, mx_power, mx_subtract, + mx_timer, mx_frame, mat3, mx_ramp4, + mx_invert, mx_ifgreater, mx_ifgreatereq, mx_ifequal, distance, + mx_separate, mx_place2d, mx_rotate2d, mx_rotate3d, mx_heighttonormal, + mx_unifiednoise2d, mx_unifiednoise3d +} from 'three/tsl'; + +const colorSpaceLib = { + mx_srgb_texture_to_lin_rec709 +}; + +class MXElement { + + constructor( name, nodeFunc, params = [] ) { + + this.name = name; + this.nodeFunc = nodeFunc; + this.params = params; + + } + +} + +// Ref: https://github.com/mrdoob/three.js/issues/24674 + +// Enhanced separate node to support multi-output referencing (outx, outy, outz, outw) + +// Type/arity-aware MaterialX node wrappers + +const MXElements = [ + + // << Math >> + new MXElement( 'add', mx_add, [ 'in1', 'in2' ] ), + new MXElement( 'subtract', mx_subtract, [ 'in1', 'in2' ] ), + new MXElement( 'multiply', mx_multiply, [ 'in1', 'in2' ] ), + new MXElement( 'divide', mx_divide, [ 'in1', 'in2' ] ), + new MXElement( 'modulo', mx_modulo, [ 'in1', 'in2' ] ), + new MXElement( 'absval', abs, [ 'in1', 'in2' ] ), + new MXElement( 'sign', sign, [ 'in1', 'in2' ] ), + new MXElement( 'floor', floor, [ 'in1', 'in2' ] ), + new MXElement( 'ceil', ceil, [ 'in1', 'in2' ] ), + new MXElement( 'round', round, [ 'in1', 'in2' ] ), + new MXElement( 'power', mx_power, [ 'in1', 'in2' ] ), + new MXElement( 'sin', sin, [ 'in' ] ), + new MXElement( 'cos', cos, [ 'in' ] ), + new MXElement( 'tan', tan, [ 'in' ] ), + new MXElement( 'asin', asin, [ 'in' ] ), + new MXElement( 'acos', acos, [ 'in' ] ), + new MXElement( 'atan2', mx_atan2, [ 'in1', 'in2' ] ), + new MXElement( 'sqrt', sqrt, [ 'in' ] ), + new MXElement( 'ln', log, [ 'in' ] ), + new MXElement( 'exp', exp, [ 'in' ] ), + new MXElement( 'clamp', clamp, [ 'in', 'low', 'high' ] ), + new MXElement( 'min', min, [ 'in1', 'in2' ] ), + new MXElement( 'max', max, [ 'in1', 'in2' ] ), + new MXElement( 'normalize', normalize, [ 'in' ] ), + new MXElement( 'magnitude', length, [ 'in1', 'in2' ] ), + new MXElement( 'dotproduct', dot, [ 'in1', 'in2' ] ), + new MXElement( 'crossproduct', cross, [ 'in' ] ), + new MXElement( 'distance', distance, [ 'in1', 'in2' ] ), + new MXElement( 'invert', mx_invert, [ 'in', 'amount' ] ), + //new MtlXElement( 'transformpoint', ... ), + //new MtlXElement( 'transformvector', ... ), + //new MtlXElement( 'transformnormal', ... ), + new MXElement( 'transformmatrix', mul, [ 'in1', 'in2' ] ), + new MXElement( 'normalmap', normalMap, [ 'in', 'scale' ] ), + new MXElement( 'transpose', transpose, [ 'in' ] ), + new MXElement( 'determinant', determinant, [ 'in' ] ), + new MXElement( 'invertmatrix', inverse, [ 'in' ] ), + new MXElement( 'creatematrix', mat3, [ 'in1', 'in2', 'in3' ] ), + //new MtlXElement( 'rotate2d', rotateUV, [ 'in', radians( 'amount' )** ] ), + //new MtlXElement( 'rotate3d', ... ), + //new MtlXElement( 'arrayappend', ... ), + //new MtlXElement( 'dot', ... ), + + new MXElement( 'length', length, [ 'in' ] ), + new MXElement( 'crossproduct', cross, [ 'in1', 'in2' ] ), + new MXElement( 'floor', floor, [ 'in' ] ), + new MXElement( 'ceil', ceil, [ 'in' ] ), + + // << Adjustment >> + new MXElement( 'remap', remap, [ 'in', 'inlow', 'inhigh', 'outlow', 'outhigh' ] ), + new MXElement( 'smoothstep', smoothstep, [ 'in', 'low', 'high' ] ), + //new MtlXElement( 'curveadjust', ... ), + //new MtlXElement( 'curvelookup', ... ), + new MXElement( 'luminance', luminance, [ 'in', 'lumacoeffs' ] ), + new MXElement( 'rgbtohsv', mx_rgbtohsv, [ 'in' ] ), + new MXElement( 'hsvtorgb', mx_hsvtorgb, [ 'in' ] ), + + // << Mix >> + new MXElement( 'mix', mix, [ 'bg', 'fg', 'mix' ] ), + + // << Channel >> + new MXElement( 'combine2', vec2, [ 'in1', 'in2' ] ), + new MXElement( 'combine3', vec3, [ 'in1', 'in2', 'in3' ] ), + new MXElement( 'combine4', vec4, [ 'in1', 'in2', 'in3', 'in4' ] ), + + // << Procedural >> + new MXElement( 'ramplr', mx_ramplr, [ 'valuel', 'valuer', 'texcoord' ] ), + new MXElement( 'ramptb', mx_ramptb, [ 'valuet', 'valueb', 'texcoord' ] ), + new MXElement( 'ramp4', mx_ramp4, [ 'valuetl', 'valuetr', 'valuebl', 'valuebr', 'texcoord' ] ), + new MXElement( 'splitlr', mx_splitlr, [ 'valuel', 'valuer', 'texcoord' ] ), + new MXElement( 'splittb', mx_splittb, [ 'valuet', 'valueb', 'texcoord' ] ), + new MXElement( 'noise2d', mx_noise_float, [ 'texcoord', 'amplitude', 'pivot' ] ), + new MXElement( 'noise3d', mx_noise_float, [ 'texcoord', 'amplitude', 'pivot' ] ), + new MXElement( 'fractal3d', mx_fractal_noise_float, [ 'position', 'octaves', 'lacunarity', 'diminish', 'amplitude' ] ), + new MXElement( 'cellnoise2d', mx_cell_noise_float, [ 'texcoord' ] ), + new MXElement( 'cellnoise3d', mx_cell_noise_float, [ 'texcoord' ] ), + new MXElement( 'worleynoise2d', mx_worley_noise_float, [ 'texcoord', 'jitter' ] ), + new MXElement( 'worleynoise3d', mx_worley_noise_float, [ 'texcoord', 'jitter' ] ), + new MXElement( 'unifiednoise2d', mx_unifiednoise2d, [ 'type', 'texcoord', 'freq', 'offset', 'jitter', 'outmin', 'outmax', 'clampoutput', 'octaves', 'lacunarity', 'diminish' ] ), + new MXElement( 'unifiednoise3d', mx_unifiednoise3d, [ 'type', 'texcoord', 'freq', 'offset', 'jitter', 'outmin', 'outmax', 'clampoutput', 'octaves', 'lacunarity', 'diminish' ] ), + // << Supplemental >> + //new MtlXElement( 'tiledimage', ... ), + //new MtlXElement( 'triplanarprojection', triplanarTextures, [ 'filex', 'filey', 'filez' ] ), + //new MtlXElement( 'ramp4', ... ), + new MXElement( 'place2d', mx_place2d, [ 'texcoord', 'pivot', 'scale', 'rotate', 'offset', 'operationorder' ] ), + new MXElement( 'safepower', mx_safepower, [ 'in1', 'in2' ] ), + new MXElement( 'contrast', mx_contrast, [ 'in', 'amount', 'pivot' ] ), + //new MtlXElement( 'hsvadjust', ... ), + new MXElement( 'saturate', saturation, [ 'in', 'amount' ] ), + new MXElement( 'extract', element, [ 'in', 'index' ] ), + new MXElement( 'separate2', mx_separate, [ 'in' ] ), + new MXElement( 'separate3', mx_separate, [ 'in' ] ), + new MXElement( 'separate4', mx_separate, [ 'in' ] ), + new MXElement( 'reflect', reflect, [ 'in', 'normal' ] ), + new MXElement( 'refract', refract, [ 'in', 'normal', 'ior' ] ), + + new MXElement( 'time', mx_timer ), + new MXElement( 'frame', mx_frame ), + new MXElement( 'ifgreater', mx_ifgreater, [ 'value1', 'value2', 'in1', 'in2' ] ), + new MXElement( 'ifgreatereq', mx_ifgreatereq, [ 'value1', 'value2', 'in1', 'in2' ] ), + new MXElement( 'ifequal', mx_ifequal, [ 'value1', 'value2', 'in1', 'in2' ] ), + + // Placeholder implementations for unsupported nodes + new MXElement( 'rotate2d', mx_rotate2d, [ 'in', 'amount' ] ), + new MXElement( 'rotate3d', mx_rotate3d, [ 'in', 'amount', 'axis' ] ), + new MXElement( 'heighttonormal', mx_heighttonormal, [ 'in', 'scale', 'texcoord' ] ), + +]; + +const MtlXLibrary = {}; +MXElements.forEach( element => MtlXLibrary[ element.name ] = element ); + +/** + * A loader for the MaterialX format. + * + * The node materials loaded with this loader can only be used with {@link WebGPURenderer}. + * + * ```js + * const loader = new MaterialXLoader().setPath( SAMPLE_PATH ); + * const materials = await loader.loadAsync( 'standard_surface_brass_tiled.mtlx' ); + * ``` + * + * @augments Loader + * @three_import import { MaterialXLoader } from 'three/addons/loaders/MaterialXLoader.js'; + */ +class MaterialXLoader extends Loader { + + /** + * Constructs a new MaterialX loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded MaterialX asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Object)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + * @return {MaterialXLoader} A reference to this loader. + */ + load( url, onLoad, onProgress, onError ) { + + const _onError = function ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + }; + + new FileLoader( this.manager ) + .setPath( this.path ) + .load( url, async ( text ) => { + + try { + + onLoad( this.parse( text ) ); + + } catch ( e ) { + + _onError( e ); + + } + + }, onProgress, _onError ); + + return this; + + } + + /** + * Parses the given MaterialX data and returns the resulting materials. + * + * Supported standard_surface inputs: + * - base, base_color: Base color/albedo + * - opacity: Alpha/transparency + * - specular_roughness: Surface roughness + * - metalness: Metallic property + * - specular: Specular reflection intensity + * - specular_color: Specular reflection color + * - ior: Index of refraction + * - specular_anisotropy, specular_rotation: Anisotropic reflection + * - transmission, transmission_color: Transmission properties + * - thin_film_thickness, thin_film_ior: Thin film interference + * - sheen, sheen_color, sheen_roughness: Sheen properties + * - normal: Normal map + * - coat, coat_roughness, coat_color: Clearcoat properties + * - emission, emissionColor: Emission properties + * + * @param {string} text - The raw MaterialX data as a string. + * @return {Object} A dictionary holding the parse node materials. + */ + parse( text ) { + + return new MaterialX( this.manager, this.path ).parse( text ); + + } + +} + +class MaterialXNode { + + constructor( materialX, nodeXML, nodePath = '' ) { + + if ( ! materialX || typeof materialX !== 'object' ) { + + console.warn( 'MaterialXNode: materialX argument is not an object!', { materialX, nodeXML, nodePath } ); + + } + + this.materialX = materialX; + this.nodeXML = nodeXML; + this.nodePath = nodePath ? nodePath + '/' + this.name : this.name; + + this.parent = null; + + this.node = null; + + this.children = []; + + } + + get element() { + + return this.nodeXML.nodeName; + + } + + get nodeGraph() { + + return this.getAttribute( 'nodegraph' ); + + } + + get nodeName() { + + return this.getAttribute( 'nodename' ); + + } + + get interfaceName() { + + return this.getAttribute( 'interfacename' ); + + } + + get output() { + + return this.getAttribute( 'output' ); + + } + + get name() { + + return this.getAttribute( 'name' ); + + } + + get type() { + + return this.getAttribute( 'type' ); + + } + + get value() { + + return this.getAttribute( 'value' ); + + } + + getNodeGraph() { + + let nodeX = this; + + while ( nodeX !== null ) { + + if ( nodeX.element === 'nodegraph' ) { + + break; + + } + + nodeX = nodeX.parent; + + } + + return nodeX; + + } + + getRoot() { + + let nodeX = this; + + while ( nodeX.parent !== null ) { + + nodeX = nodeX.parent; + + } + + return nodeX; + + } + + get referencePath() { + + let referencePath = null; + + if ( this.nodeGraph !== null && this.output !== null ) { + + referencePath = this.nodeGraph + '/' + this.output; + + } else if ( this.nodeName !== null || this.interfaceName !== null ) { + + referencePath = this.getNodeGraph().nodePath + '/' + ( this.nodeName || this.interfaceName ); + + } + + return referencePath; + + } + + get hasReference() { + + return this.referencePath !== null; + + } + + get isConst() { + + return this.element === 'input' && this.value !== null && this.type !== 'filename'; + + } + + getColorSpaceNode() { + + const csSource = this.getAttribute( 'colorspace' ); + const csTarget = this.getRoot().getAttribute( 'colorspace' ); + + const nodeName = `mx_${ csSource }_to_${ csTarget }`; + + return colorSpaceLib[ nodeName ]; + + } + + getTexture() { + + const filePrefix = this.getRecursiveAttribute( 'fileprefix' ) || ''; + const uri = filePrefix + this.value; + + if ( this.materialX.textureCache.has( uri ) ) { + + return this.materialX.textureCache.get( uri ); + + } + + let loader = this.materialX.textureLoader; + + if ( uri ) { + + const handler = this.materialX.manager.getHandler( uri ); + if ( handler !== null ) loader = handler; + + } + + const texture = new Texture(); + texture.wrapS = texture.wrapT = RepeatWrapping; + + this.materialX.textureCache.set( uri, texture ); + + loader.load( uri, function ( imageBitmap ) { + + texture.image = imageBitmap; + texture.needsUpdate = true; + + } ); + + return texture; + + } + + getClassFromType( type ) { + + let nodeClass = null; + + if ( type === 'integer' ) nodeClass = int; + else if ( type === 'float' ) nodeClass = float; + else if ( type === 'vector2' ) nodeClass = vec2; + else if ( type === 'vector3' ) nodeClass = vec3; + else if ( type === 'vector4' || type === 'color4' ) nodeClass = vec4; + else if ( type === 'color3' ) nodeClass = color; + else if ( type === 'boolean' ) nodeClass = bool; + + return nodeClass; + + } + + getNode( out = null ) { + + let node = this.node; + + if ( node !== null && out === null ) { + + return node; + + } + + // Handle + if ( + this.element === 'input' && + this.name === 'texcoord' && + this.type === 'vector2' + ) { + + // Try to get index from defaultgeomprop (e.g., "UV0" => 0) + let index = 0; + const defaultGeomProp = this.getAttribute( 'defaultgeomprop' ); + if ( defaultGeomProp && /^UV(\d+)$/.test( defaultGeomProp ) ) { + + index = parseInt( defaultGeomProp.match( /^UV(\d+)$/ )[ 1 ], 10 ); + + } + + node = uv( index ); + + } + + // Multi-output support for separate/separate3 + if ( + ( this.element === 'separate3' || this.element === 'separate2' || this.element === 'separate4' ) && + out && typeof out === 'string' && out.startsWith( 'out' ) + ) { + + const inNode = this.getNodeByName( 'in' ); + return mx_separate( inNode, out ); + + } + + // + + const type = this.type; + + if ( this.isConst ) { + + const nodeClass = this.getClassFromType( type ); + + node = nodeClass( ...this.getVector() ); + + } else if ( this.hasReference ) { + + if ( this.element === 'output' && this.output && out === null ) { + + out = this.output; + + } + + node = this.materialX.getMaterialXNode( this.referencePath ).getNode( out ); + + } else { + + const element = this.element; + + if ( element === 'convert' ) { + + const nodeClass = this.getClassFromType( type ); + + node = nodeClass( this.getNodeByName( 'in' ) ); + + } else if ( element === 'constant' ) { + + node = this.getNodeByName( 'value' ); + + } else if ( element === 'position' ) { + + const space = this.getAttribute( 'space' ); + node = space === 'world' ? positionWorld : positionLocal; + + } else if ( element === 'normal' ) { + + const space = this.getAttribute( 'space' ); + node = space === 'world' ? normalWorld : normalLocal; + + } else if ( element === 'tangent' ) { + + const space = this.getAttribute( 'space' ); + node = space === 'world' ? tangentWorld : tangentLocal; + + } else if ( element === 'texcoord' ) { + + const indexNode = this.getChildByName( 'index' ); + const index = indexNode ? parseInt( indexNode.value ) : 0; + + node = uv( index ); + + } else if ( element === 'geomcolor' ) { + + const indexNode = this.getChildByName( 'index' ); + const index = indexNode ? parseInt( indexNode.value ) : 0; + + node = vertexColor( index ); + + } else if ( element === 'tiledimage' ) { + + const file = this.getChildByName( 'file' ); + + const textureFile = file.getTexture(); + const uvTiling = mx_transform_uv( ...this.getNodesByNames( [ 'uvtiling', 'uvoffset' ] ) ); + + node = texture( textureFile, uvTiling ); + + const colorSpaceNode = file.getColorSpaceNode(); + + if ( colorSpaceNode ) { + + node = colorSpaceNode( node ); + + } + + } else if ( element === 'image' ) { + + const file = this.getChildByName( 'file' ); + const uvNode = this.getNodeByName( 'texcoord' ); + + const textureFile = file.getTexture(); + + node = texture( textureFile, uvNode ); + + const colorSpaceNode = file.getColorSpaceNode(); + + if ( colorSpaceNode ) { + + node = colorSpaceNode( node ); + + } + + } else if ( MtlXLibrary[ element ] !== undefined ) { + + const nodeElement = MtlXLibrary[ element ]; + + if ( ! nodeElement ) { + + throw new Error( `THREE.MaterialXLoader: Unexpected node ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` ); + + } + + if ( ! nodeElement.nodeFunc ) { + + throw new Error( `THREE.MaterialXLoader: Unexpected node 2 ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` ); + + } + + if ( out !== null ) { + + node = nodeElement.nodeFunc( ...this.getNodesByNames( ...nodeElement.params ), out ); + + } else { + + node = nodeElement.nodeFunc( ...this.getNodesByNames( ...nodeElement.params ) ); + + } + + } + + } + + // + + if ( node === null ) { + + console.warn( `THREE.MaterialXLoader: Unexpected node ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` ); + + node = float( 0 ); + + } + + // + + const nodeToTypeClass = this.getClassFromType( type ); + + if ( nodeToTypeClass !== null ) { + + node = nodeToTypeClass( node ); + + } else { + + console.warn( `THREE.MaterialXLoader: Unexpected node ${ new XMLSerializer().serializeToString( this.nodeXML ) }.` ); + node = float( 0 ); + + } + + node.name = this.name; + + this.node = node; + + return node; + + } + + getChildByName( name ) { + + for ( const input of this.children ) { + + if ( input.name === name ) { + + return input; + + } + + } + + } + + getNodes() { + + const nodes = {}; + + for ( const input of this.children ) { + + const node = input.getNode(); + + nodes[ node.name ] = node; + + } + + return nodes; + + } + + getNodeByName( name ) { + + const child = this.getChildByName( name ); + + return child ? child.getNode( child.output ) : undefined; + + } + + getNodesByNames( ...names ) { + + const nodes = []; + + for ( const name of names ) { + + const node = this.getNodeByName( name ); + + if ( node ) nodes.push( node ); + + } + + return nodes; + + } + + getValue() { + + return this.value.trim(); + + } + + getVector() { + + const vector = []; + + for ( const val of this.getValue().split( /[,|\s]/ ) ) { + + if ( val !== '' ) { + + vector.push( Number( val.trim() ) ); + + } + + } + + return vector; + + } + + getAttribute( name ) { + + return this.nodeXML.getAttribute( name ); + + } + + getRecursiveAttribute( name ) { + + let attribute = this.nodeXML.getAttribute( name ); + + if ( attribute === null && this.parent !== null ) { + + attribute = this.parent.getRecursiveAttribute( name ); + + } + + return attribute; + + } + + setStandardSurfaceToGltfPBR( material ) { + + const inputs = this.getNodes(); + + // + + let colorNode = null; + + if ( inputs.base && inputs.base_color ) colorNode = mul( inputs.base, inputs.base_color ); + else if ( inputs.base ) colorNode = inputs.base; + else if ( inputs.base_color ) colorNode = inputs.base_color; + + // + + let opacityNode = null; + + if ( inputs.opacity ) opacityNode = inputs.opacity; + + // + + let roughnessNode = null; + + if ( inputs.specular_roughness ) roughnessNode = inputs.specular_roughness; + + // + + let metalnessNode = null; + + if ( inputs.metalness ) metalnessNode = inputs.metalness; + + // + + let specularIntensityNode = null; + + if ( inputs.specular ) specularIntensityNode = inputs.specular; + + // + + let specularColorNode = null; + + if ( inputs.specular_color ) specularColorNode = inputs.specular_color; + + // + + let iorNode = null; + + if ( inputs.ior ) iorNode = inputs.ior; + + // + + let anisotropyNode = null; + let anisotropyRotationNode = null; + + if ( inputs.specular_anisotropy ) anisotropyNode = inputs.specular_anisotropy; + if ( inputs.specular_rotation ) anisotropyRotationNode = inputs.specular_rotation; + + // + + let transmissionNode = null; + let transmissionColorNode = null; + + if ( inputs.transmission ) transmissionNode = inputs.transmission; + if ( inputs.transmission_color ) transmissionColorNode = inputs.transmission_color; + + // + + let thinFilmThicknessNode = null; + let thinFilmIorNode = null; + + if ( inputs.thin_film_thickness ) thinFilmThicknessNode = inputs.thin_film_thickness; + + if ( inputs.thin_film_ior ) { + + // Clamp IOR to valid range for Three.js (1.0 to 2.333) + thinFilmIorNode = clamp( inputs.thin_film_ior, float( 1.0 ), float( 2.333 ) ); + + } + + // + + let sheenNode = null; + let sheenColorNode = null; + let sheenRoughnessNode = null; + + if ( inputs.sheen ) sheenNode = inputs.sheen; + if ( inputs.sheen_color ) sheenColorNode = inputs.sheen_color; + if ( inputs.sheen_roughness ) sheenRoughnessNode = inputs.sheen_roughness; + + // + + let clearcoatNode = null; + let clearcoatRoughnessNode = null; + + if ( inputs.coat ) clearcoatNode = inputs.coat; + if ( inputs.coat_roughness ) clearcoatRoughnessNode = inputs.coat_roughness; + + if ( inputs.coat_color ) { + + colorNode = colorNode ? mul( colorNode, inputs.coat_color ) : colorNode; + + } + + // + + let normalNode = null; + + if ( inputs.normal ) normalNode = inputs.normal; + + // + + let emissiveNode = null; + + if ( inputs.emission ) emissiveNode = inputs.emission; + if ( inputs.emissionColor ) { + + emissiveNode = emissiveNode ? mul( emissiveNode, inputs.emissionColor ) : emissiveNode; + + } + + // + + material.colorNode = colorNode || color( 0.8, 0.8, 0.8 ); + material.opacityNode = opacityNode || float( 1.0 ); + material.roughnessNode = roughnessNode || float( 0.2 ); + material.metalnessNode = metalnessNode || float( 0 ); + material.specularIntensityNode = specularIntensityNode || float( 0.5 ); + material.specularColorNode = specularColorNode || color( 1.0, 1.0, 1.0 ); + material.iorNode = iorNode || float( 1.5 ); + material.anisotropyNode = anisotropyNode || float( 0 ); + material.anisotropyRotationNode = anisotropyRotationNode || float( 0 ); + material.transmissionNode = transmissionNode || float( 0 ); + material.transmissionColorNode = transmissionColorNode || color( 1.0, 1.0, 1.0 ); + material.thinFilmThicknessNode = thinFilmThicknessNode || float( 0 ); + material.thinFilmIorNode = thinFilmIorNode || float( 1.5 ); + material.sheenNode = sheenNode || float( 0 ); + material.sheenColorNode = sheenColorNode || color( 1.0, 1.0, 1.0 ); + material.sheenRoughnessNode = sheenRoughnessNode || float( 0.5 ); + material.clearcoatNode = clearcoatNode || float( 0 ); + material.clearcoatRoughnessNode = clearcoatRoughnessNode || float( 0 ); + if ( normalNode ) material.normalNode = normalNode; + if ( emissiveNode ) material.emissiveNode = emissiveNode; + + // Auto-enable iridescence when thin film parameters are present + if ( thinFilmThicknessNode && thinFilmThicknessNode.value !== undefined && thinFilmThicknessNode.value > 0 ) { + + material.iridescence = 1.0; + + } + + if ( opacityNode !== null ) { + + material.transparent = true; + + } + + if ( transmissionNode !== null ) { + + material.side = DoubleSide; + material.transparent = true; + + } + + } + + /*setGltfPBR( material ) { + + const inputs = this.getNodes(); + + console.log( inputs ); + + }*/ + + setMaterial( material ) { + + const element = this.element; + + if ( element === 'gltf_pbr' ) { + + //this.setGltfPBR( material ); + + } else if ( element === 'standard_surface' ) { + + this.setStandardSurfaceToGltfPBR( material ); + + } + + } + + toBasicMaterial() { + + const material = new MeshBasicNodeMaterial(); + material.name = this.name; + + for ( const nodeX of this.children.toReversed() ) { + + if ( nodeX.name === 'out' ) { + + material.colorNode = nodeX.getNode(); + + break; + + } + + } + + return material; + + } + + toPhysicalMaterial() { + + const material = new MeshPhysicalNodeMaterial(); + material.name = this.name; + + for ( const nodeX of this.children ) { + + const shaderProperties = this.materialX.getMaterialXNode( nodeX.nodeName ); + shaderProperties.setMaterial( material ); + + } + + return material; + + } + + toMaterials() { + + const materials = {}; + + let isUnlit = true; + + for ( const nodeX of this.children ) { + + if ( nodeX.element === 'surfacematerial' ) { + + const material = nodeX.toPhysicalMaterial(); + + materials[ material.name ] = material; + + isUnlit = false; + + } + + } + + if ( isUnlit ) { + + for ( const nodeX of this.children ) { + + if ( nodeX.element === 'nodegraph' ) { + + const material = nodeX.toBasicMaterial(); + + materials[ material.name ] = material; + + } + + } + + } + + return materials; + + } + + add( materialXNode ) { + + materialXNode.parent = this; + + this.children.push( materialXNode ); + + } + +} + +class MaterialX { + + constructor( manager, path ) { + + this.manager = manager; + this.path = path; + this.resourcePath = ''; + + this.nodesXLib = new Map(); + //this.nodesXRefLib = new WeakMap(); + + this.textureLoader = new ImageBitmapLoader( manager ); + this.textureLoader.setOptions( { imageOrientation: 'flipY' } ); + + this.textureCache = new Map(); + + } + + addMaterialXNode( materialXNode ) { + + this.nodesXLib.set( materialXNode.nodePath, materialXNode ); + + } + + /*getMaterialXNodeFromXML( xmlNode ) { + + return this.nodesXRefLib.get( xmlNode ); + + }*/ + + getMaterialXNode( ...names ) { + + return this.nodesXLib.get( names.join( '/' ) ); + + } + + parseNode( nodeXML, nodePath = '' ) { + + const materialXNode = new MaterialXNode( this, nodeXML, nodePath ); + if ( materialXNode.nodePath ) this.addMaterialXNode( materialXNode ); + + for ( const childNodeXML of nodeXML.children ) { + + const childMXNode = this.parseNode( childNodeXML, materialXNode.nodePath ); + materialXNode.add( childMXNode ); + + } + + return materialXNode; + + } + + parse( text ) { + + const rootXML = new DOMParser().parseFromString( text, 'application/xml' ).documentElement; + + this.textureLoader.setPath( this.path ); + + // + + const materials = this.parseNode( rootXML ).toMaterials(); + + return { materials }; + + } + +} + +export { MaterialXLoader }; diff --git a/node_modules/three/examples/jsm/loaders/NRRDLoader.js b/node_modules/three/examples/jsm/loaders/NRRDLoader.js new file mode 100644 index 0000000..9b56761 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/NRRDLoader.js @@ -0,0 +1,718 @@ +import { + FileLoader, + Loader, + Matrix4, + Vector3 +} from 'three'; +import * as fflate from '../libs/fflate.module.js'; +import { Volume } from '../misc/Volume.js'; + +/** + * A loader for the NRRD format. + * + * ```js + * const loader = new NRRDLoader(); + * const volume = await loader.loadAsync( 'models/nrrd/I.nrrd' ); + * ``` + * + * @augments Loader + * @three_import import { NRRDLoader } from 'three/addons/loaders/NRRDLoader.js'; + */ +class NRRDLoader extends Loader { + + /** + * Constructs a new NRRD loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded NRRD asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Volume)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( data ) { + + try { + + onLoad( scope.parse( data ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Toggles the segmentation mode. + * + * @param {boolean} segmentation - Whether to use segmentation mode or not. + */ + setSegmentation( segmentation ) { + + this.segmentation = segmentation; + + } + + /** + * Parses the given NRRD data and returns the resulting volume data. + * + * @param {ArrayBuffer} data - The raw NRRD data as an array buffer. + * @return {Volume} The parsed volume. + */ + parse( data ) { + + // this parser is largely inspired from the XTK NRRD parser : https://github.com/xtk/X + + let _data = data; + + let _dataPointer = 0; + + const _nativeLittleEndian = new Int8Array( new Int16Array( [ 1 ] ).buffer )[ 0 ] > 0; + + const _littleEndian = true; + + const headerObject = {}; + + function scan( type, chunks ) { + + let _chunkSize = 1; + let _array_type = Uint8Array; + + switch ( type ) { + + // 1 byte data types + case 'uchar': + break; + case 'schar': + _array_type = Int8Array; + break; + // 2 byte data types + case 'ushort': + _array_type = Uint16Array; + _chunkSize = 2; + break; + case 'sshort': + _array_type = Int16Array; + _chunkSize = 2; + break; + // 4 byte data types + case 'uint': + _array_type = Uint32Array; + _chunkSize = 4; + break; + case 'sint': + _array_type = Int32Array; + _chunkSize = 4; + break; + case 'float': + _array_type = Float32Array; + _chunkSize = 4; + break; + case 'complex': + _array_type = Float64Array; + _chunkSize = 8; + break; + case 'double': + _array_type = Float64Array; + _chunkSize = 8; + break; + + } + + // increase the data pointer in-place + let _bytes = new _array_type( _data.slice( _dataPointer, + _dataPointer += chunks * _chunkSize ) ); + + // if required, flip the endianness of the bytes + if ( _nativeLittleEndian != _littleEndian ) { + + // we need to flip here since the format doesn't match the native endianness + _bytes = flipEndianness( _bytes, _chunkSize ); + + } + + // return the byte array + return _bytes; + + } + + //Flips typed array endianness in-place. Based on https://github.com/kig/DataStream.js/blob/master/DataStream.js. + + function flipEndianness( array, chunkSize ) { + + const u8 = new Uint8Array( array.buffer, array.byteOffset, array.byteLength ); + for ( let i = 0; i < array.byteLength; i += chunkSize ) { + + for ( let j = i + chunkSize - 1, k = i; j > k; j --, k ++ ) { + + const tmp = u8[ k ]; + u8[ k ] = u8[ j ]; + u8[ j ] = tmp; + + } + + } + + return array; + + } + + //parse the header + function parseHeader( header ) { + + let data, field, fn, i, l, m, _i, _len; + const lines = header.split( /\r?\n/ ); + for ( _i = 0, _len = lines.length; _i < _len; _i ++ ) { + + l = lines[ _i ]; + if ( l.match( /NRRD\d+/ ) ) { + + headerObject.isNrrd = true; + + } else if ( ! l.match( /^#/ ) && ( m = l.match( /(.*):(.*)/ ) ) ) { + + field = m[ 1 ].trim(); + data = m[ 2 ].trim(); + fn = _fieldFunctions[ field ]; + if ( fn ) { + + fn.call( headerObject, data ); + + } else { + + headerObject[ field ] = data; + + } + + } + + } + + if ( ! headerObject.isNrrd ) { + + throw new Error( 'Not an NRRD file' ); + + } + + if ( headerObject.encoding === 'bz2' || headerObject.encoding === 'bzip2' ) { + + throw new Error( 'Bzip is not supported' ); + + } + + if ( ! headerObject.vectors ) { + + //if no space direction is set, let's use the identity + headerObject.vectors = [ ]; + headerObject.vectors.push( [ 1, 0, 0 ] ); + headerObject.vectors.push( [ 0, 1, 0 ] ); + headerObject.vectors.push( [ 0, 0, 1 ] ); + + //apply spacing if defined + if ( headerObject.spacings ) { + + for ( i = 0; i <= 2; i ++ ) { + + if ( ! isNaN( headerObject.spacings[ i ] ) ) { + + for ( let j = 0; j <= 2; j ++ ) { + + headerObject.vectors[ i ][ j ] *= headerObject.spacings[ i ]; + + } + + } + + } + + } + + } + + } + + //parse the data when registered as one of this type : 'text', 'ascii', 'txt' + function parseDataAsText( data, start, end ) { + + let number = ''; + start = start || 0; + end = end || data.length; + let value; + //length of the result is the product of the sizes + const lengthOfTheResult = headerObject.sizes.reduce( function ( previous, current ) { + + return previous * current; + + }, 1 ); + + let base = 10; + if ( headerObject.encoding === 'hex' ) { + + base = 16; + + } + + const result = new headerObject.__array( lengthOfTheResult ); + let resultIndex = 0; + let parsingFunction = parseInt; + if ( headerObject.__array === Float32Array || headerObject.__array === Float64Array ) { + + parsingFunction = parseFloat; + + } + + for ( let i = start; i < end; i ++ ) { + + value = data[ i ]; + //if value is not a space + if ( ( value < 9 || value > 13 ) && value !== 32 ) { + + number += String.fromCharCode( value ); + + } else { + + if ( number !== '' ) { + + result[ resultIndex ] = parsingFunction( number, base ); + resultIndex ++; + + } + + number = ''; + + } + + } + + if ( number !== '' ) { + + result[ resultIndex ] = parsingFunction( number, base ); + resultIndex ++; + + } + + return result; + + } + + const _bytes = scan( 'uchar', data.byteLength ); + const _length = _bytes.length; + let _header = null; + let _data_start = 0; + let i; + for ( i = 1; i < _length; i ++ ) { + + if ( _bytes[ i - 1 ] == 10 && _bytes[ i ] == 10 ) { + + // we found two line breaks in a row + // now we know what the header is + _header = this._parseChars( _bytes, 0, i - 2 ); + // this is were the data starts + _data_start = i + 1; + break; + + } + + } + + // parse the header + parseHeader( _header ); + + _data = _bytes.subarray( _data_start ); // the data without header + if ( headerObject.encoding.substring( 0, 2 ) === 'gz' ) { + + // we need to decompress the datastream + // here we start the unzipping and get a typed Uint8Array back + _data = fflate.gunzipSync( new Uint8Array( _data ) ); + + } else if ( headerObject.encoding === 'ascii' || headerObject.encoding === 'text' || headerObject.encoding === 'txt' || headerObject.encoding === 'hex' ) { + + _data = parseDataAsText( _data ); + + } else if ( headerObject.encoding === 'raw' ) { + + //we need to copy the array to create a new array buffer, else we retrieve the original arraybuffer with the header + const _copy = new Uint8Array( _data.length ); + + for ( let i = 0; i < _data.length; i ++ ) { + + _copy[ i ] = _data[ i ]; + + } + + _data = _copy; + + } + + // .. let's use the underlying array buffer + _data = _data.buffer; + + const volume = new Volume(); + volume.header = headerObject; + volume.segmentation = this.segmentation; + // + // parse the (unzipped) data to a datastream of the correct type + // + volume.data = new headerObject.__array( _data ); + // get the min and max intensities + const min_max = volume.computeMinMax(); + const min = min_max[ 0 ]; + const max = min_max[ 1 ]; + // attach the scalar range to the volume + volume.windowLow = min; + volume.windowHigh = max; + + // get the image dimensions + volume.dimensions = [ headerObject.sizes[ 0 ], headerObject.sizes[ 1 ], headerObject.sizes[ 2 ] ]; + volume.xLength = volume.dimensions[ 0 ]; + volume.yLength = volume.dimensions[ 1 ]; + volume.zLength = volume.dimensions[ 2 ]; + + // Identify axis order in the space-directions matrix from the header if possible. + if ( headerObject.vectors ) { + + const xIndex = headerObject.vectors.findIndex( vector => vector[ 0 ] !== 0 ); + const yIndex = headerObject.vectors.findIndex( vector => vector[ 1 ] !== 0 ); + const zIndex = headerObject.vectors.findIndex( vector => vector[ 2 ] !== 0 ); + + const axisOrder = []; + + if ( xIndex !== yIndex && xIndex !== zIndex && yIndex !== zIndex ) { + + axisOrder[ xIndex ] = 'x'; + axisOrder[ yIndex ] = 'y'; + axisOrder[ zIndex ] = 'z'; + + } else { + + axisOrder[ 0 ] = 'x'; + axisOrder[ 1 ] = 'y'; + axisOrder[ 2 ] = 'z'; + + } + + volume.axisOrder = axisOrder; + + } else { + + volume.axisOrder = [ 'x', 'y', 'z' ]; + + } + + // spacing + const spacingX = new Vector3().fromArray( headerObject.vectors[ 0 ] ).length(); + const spacingY = new Vector3().fromArray( headerObject.vectors[ 1 ] ).length(); + const spacingZ = new Vector3().fromArray( headerObject.vectors[ 2 ] ).length(); + volume.spacing = [ spacingX, spacingY, spacingZ ]; + + + // Create IJKtoRAS matrix + volume.matrix = new Matrix4(); + + const transitionMatrix = new Matrix4(); + + if ( headerObject.space === 'left-posterior-superior' ) { + + transitionMatrix.set( + - 1, 0, 0, 0, + 0, - 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ); + + } else if ( headerObject.space === 'left-anterior-superior' ) { + + transitionMatrix.set( + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, - 1, 0, + 0, 0, 0, 1 + ); + + } + + + if ( ! headerObject.vectors ) { + + volume.matrix.set( + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 ); + + } else { + + const v = headerObject.vectors; + + const ijk_to_transition = new Matrix4().set( + v[ 0 ][ 0 ], v[ 1 ][ 0 ], v[ 2 ][ 0 ], 0, + v[ 0 ][ 1 ], v[ 1 ][ 1 ], v[ 2 ][ 1 ], 0, + v[ 0 ][ 2 ], v[ 1 ][ 2 ], v[ 2 ][ 2 ], 0, + 0, 0, 0, 1 + ); + + const transition_to_ras = new Matrix4().multiplyMatrices( ijk_to_transition, transitionMatrix ); + + volume.matrix = transition_to_ras; + + } + + volume.inverseMatrix = new Matrix4(); + volume.inverseMatrix.copy( volume.matrix ).invert(); + + volume.RASDimensions = [ + Math.floor( volume.xLength * spacingX ), + Math.floor( volume.yLength * spacingY ), + Math.floor( volume.zLength * spacingZ ) + ]; + + // .. and set the default threshold + // only if the threshold was not already set + if ( volume.lowerThreshold === - Infinity ) { + + volume.lowerThreshold = min; + + } + + if ( volume.upperThreshold === Infinity ) { + + volume.upperThreshold = max; + + } + + return volume; + + } + + _parseChars( array, start, end ) { + + // without borders, use the whole array + if ( start === undefined ) { + + start = 0; + + } + + if ( end === undefined ) { + + end = array.length; + + } + + let output = ''; + // create and append the chars + let i = 0; + for ( i = start; i < end; ++ i ) { + + output += String.fromCharCode( array[ i ] ); + + } + + return output; + + } + +} + +const _fieldFunctions = { + + type: function ( data ) { + + switch ( data ) { + + case 'uchar': + case 'unsigned char': + case 'uint8': + case 'uint8_t': + this.__array = Uint8Array; + break; + case 'signed char': + case 'int8': + case 'int8_t': + this.__array = Int8Array; + break; + case 'short': + case 'short int': + case 'signed short': + case 'signed short int': + case 'int16': + case 'int16_t': + this.__array = Int16Array; + break; + case 'ushort': + case 'unsigned short': + case 'unsigned short int': + case 'uint16': + case 'uint16_t': + this.__array = Uint16Array; + break; + case 'int': + case 'signed int': + case 'int32': + case 'int32_t': + this.__array = Int32Array; + break; + case 'uint': + case 'unsigned int': + case 'uint32': + case 'uint32_t': + this.__array = Uint32Array; + break; + case 'float': + this.__array = Float32Array; + break; + case 'double': + this.__array = Float64Array; + break; + default: + throw new Error( 'Unsupported NRRD data type: ' + data ); + + } + + return this.type = data; + + }, + + endian: function ( data ) { + + return this.endian = data; + + }, + + encoding: function ( data ) { + + return this.encoding = data; + + }, + + dimension: function ( data ) { + + return this.dim = parseInt( data, 10 ); + + }, + + sizes: function ( data ) { + + let i; + return this.sizes = ( function () { + + const _ref = data.split( /\s+/ ); + const _results = []; + + for ( let _i = 0, _len = _ref.length; _i < _len; _i ++ ) { + + i = _ref[ _i ]; + _results.push( parseInt( i, 10 ) ); + + } + + return _results; + + } )(); + + }, + + space: function ( data ) { + + return this.space = data; + + }, + + 'space origin': function ( data ) { + + return this.space_origin = data.split( '(' )[ 1 ].split( ')' )[ 0 ].split( ',' ); + + }, + + 'space directions': function ( data ) { + + let f, v; + const parts = data.match( /\(.*?\)/g ); + return this.vectors = ( function () { + + const _results = []; + + for ( let _i = 0, _len = parts.length; _i < _len; _i ++ ) { + + v = parts[ _i ]; + _results.push( ( function () { + + const _ref = v.slice( 1, - 1 ).split( /,/ ); + const _results2 = []; + + for ( let _j = 0, _len2 = _ref.length; _j < _len2; _j ++ ) { + + f = _ref[ _j ]; + _results2.push( parseFloat( f ) ); + + } + + return _results2; + + } )() ); + + } + + return _results; + + } )(); + + }, + + spacings: function ( data ) { + + let f; + const parts = data.split( /\s+/ ); + return this.spacings = ( function () { + + const _results = []; + + for ( let _i = 0, _len = parts.length; _i < _len; _i ++ ) { + + f = parts[ _i ]; + _results.push( parseFloat( f ) ); + + } + + return _results; + + } )(); + + } + +}; + +export { NRRDLoader }; diff --git a/node_modules/three/examples/jsm/loaders/OBJLoader.js b/node_modules/three/examples/jsm/loaders/OBJLoader.js new file mode 100644 index 0000000..6f33fb4 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/OBJLoader.js @@ -0,0 +1,955 @@ +import { + BufferGeometry, + FileLoader, + Float32BufferAttribute, + Group, + LineBasicMaterial, + LineSegments, + Loader, + Material, + Mesh, + MeshPhongMaterial, + Points, + PointsMaterial, + Vector3, + Color, + SRGBColorSpace +} from 'three'; + +// o object_name | g group_name +const _object_pattern = /^[og]\s*(.+)?/; +// mtllib file_reference +const _material_library_pattern = /^mtllib /; +// usemtl material_name +const _material_use_pattern = /^usemtl /; +// usemap map_name +const _map_use_pattern = /^usemap /; +const _face_vertex_data_separator_pattern = /\s+/; + +const _vA = new Vector3(); +const _vB = new Vector3(); +const _vC = new Vector3(); + +const _ab = new Vector3(); +const _cb = new Vector3(); + +const _color = new Color(); + +function ParserState() { + + const state = { + objects: [], + object: {}, + + vertices: [], + normals: [], + colors: [], + uvs: [], + + materials: {}, + materialLibraries: [], + + startObject: function ( name, fromDeclaration ) { + + // If the current object (initial from reset) is not from a g/o declaration in the parsed + // file. We need to use it for the first parsed g/o to keep things in sync. + if ( this.object && this.object.fromDeclaration === false ) { + + this.object.name = name; + this.object.fromDeclaration = ( fromDeclaration !== false ); + return; + + } + + const previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined ); + + if ( this.object && typeof this.object._finalize === 'function' ) { + + this.object._finalize( true ); + + } + + this.object = { + name: name || '', + fromDeclaration: ( fromDeclaration !== false ), + + geometry: { + vertices: [], + normals: [], + colors: [], + uvs: [], + hasUVIndices: false + }, + materials: [], + smooth: true, + + startMaterial: function ( name, libraries ) { + + const previous = this._finalize( false ); + + // New usemtl declaration overwrites an inherited material, except if faces were declared + // after the material, then it must be preserved for proper MultiMaterial continuation. + if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) { + + this.materials.splice( previous.index, 1 ); + + } + + const material = { + index: this.materials.length, + name: name || '', + mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ), + smooth: ( previous !== undefined ? previous.smooth : this.smooth ), + groupStart: ( previous !== undefined ? previous.groupEnd : 0 ), + groupEnd: - 1, + groupCount: - 1, + inherited: false, + + clone: function ( index ) { + + const cloned = { + index: ( typeof index === 'number' ? index : this.index ), + name: this.name, + mtllib: this.mtllib, + smooth: this.smooth, + groupStart: 0, + groupEnd: - 1, + groupCount: - 1, + inherited: false + }; + cloned.clone = this.clone.bind( cloned ); + return cloned; + + } + }; + + this.materials.push( material ); + + return material; + + }, + + currentMaterial: function () { + + if ( this.materials.length > 0 ) { + + return this.materials[ this.materials.length - 1 ]; + + } + + return undefined; + + }, + + _finalize: function ( end ) { + + const lastMultiMaterial = this.currentMaterial(); + if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) { + + lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3; + lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart; + lastMultiMaterial.inherited = false; + + } + + // Ignore objects tail materials if no face declarations followed them before a new o/g started. + if ( end && this.materials.length > 1 ) { + + for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) { + + if ( this.materials[ mi ].groupCount <= 0 ) { + + this.materials.splice( mi, 1 ); + + } + + } + + } + + // Guarantee at least one empty material, this makes the creation later more straight forward. + if ( end && this.materials.length === 0 ) { + + this.materials.push( { + name: '', + smooth: this.smooth + } ); + + } + + return lastMultiMaterial; + + } + }; + + // Inherit previous objects material. + // Spec tells us that a declared material must be set to all objects until a new material is declared. + // If a usemtl declaration is encountered while this new object is being parsed, it will + // overwrite the inherited material. Exception being that there was already face declarations + // to the inherited material, then it will be preserved for proper MultiMaterial continuation. + + if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) { + + const declared = previousMaterial.clone( 0 ); + declared.inherited = true; + this.object.materials.push( declared ); + + } + + this.objects.push( this.object ); + + }, + + finalize: function () { + + if ( this.object && typeof this.object._finalize === 'function' ) { + + this.object._finalize( true ); + + } + + }, + + parseVertexIndex: function ( value, len ) { + + const index = parseInt( value, 10 ); + return ( index >= 0 ? index - 1 : index + len / 3 ) * 3; + + }, + + parseNormalIndex: function ( value, len ) { + + const index = parseInt( value, 10 ); + return ( index >= 0 ? index - 1 : index + len / 3 ) * 3; + + }, + + parseUVIndex: function ( value, len ) { + + const index = parseInt( value, 10 ); + return ( index >= 0 ? index - 1 : index + len / 2 ) * 2; + + }, + + addVertex: function ( a, b, c ) { + + const src = this.vertices; + const dst = this.object.geometry.vertices; + + dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] ); + dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] ); + dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] ); + + }, + + addVertexPoint: function ( a ) { + + const src = this.vertices; + const dst = this.object.geometry.vertices; + + dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] ); + + }, + + addVertexLine: function ( a ) { + + const src = this.vertices; + const dst = this.object.geometry.vertices; + + dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] ); + + }, + + addNormal: function ( a, b, c ) { + + const src = this.normals; + const dst = this.object.geometry.normals; + + dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] ); + dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] ); + dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] ); + + }, + + addFaceNormal: function ( a, b, c ) { + + const src = this.vertices; + const dst = this.object.geometry.normals; + + _vA.fromArray( src, a ); + _vB.fromArray( src, b ); + _vC.fromArray( src, c ); + + _cb.subVectors( _vC, _vB ); + _ab.subVectors( _vA, _vB ); + _cb.cross( _ab ); + + _cb.normalize(); + + dst.push( _cb.x, _cb.y, _cb.z ); + dst.push( _cb.x, _cb.y, _cb.z ); + dst.push( _cb.x, _cb.y, _cb.z ); + + }, + + addColor: function ( a, b, c ) { + + const src = this.colors; + const dst = this.object.geometry.colors; + + if ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] ); + if ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] ); + if ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] ); + + }, + + addUV: function ( a, b, c ) { + + const src = this.uvs; + const dst = this.object.geometry.uvs; + + dst.push( src[ a + 0 ], src[ a + 1 ] ); + dst.push( src[ b + 0 ], src[ b + 1 ] ); + dst.push( src[ c + 0 ], src[ c + 1 ] ); + + }, + + addDefaultUV: function () { + + const dst = this.object.geometry.uvs; + + dst.push( 0, 0 ); + dst.push( 0, 0 ); + dst.push( 0, 0 ); + + }, + + addUVLine: function ( a ) { + + const src = this.uvs; + const dst = this.object.geometry.uvs; + + dst.push( src[ a + 0 ], src[ a + 1 ] ); + + }, + + addFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) { + + const vLen = this.vertices.length; + + let ia = this.parseVertexIndex( a, vLen ); + let ib = this.parseVertexIndex( b, vLen ); + let ic = this.parseVertexIndex( c, vLen ); + + this.addVertex( ia, ib, ic ); + this.addColor( ia, ib, ic ); + + // normals + + if ( na !== undefined && na !== '' ) { + + const nLen = this.normals.length; + + ia = this.parseNormalIndex( na, nLen ); + ib = this.parseNormalIndex( nb, nLen ); + ic = this.parseNormalIndex( nc, nLen ); + + this.addNormal( ia, ib, ic ); + + } else { + + this.addFaceNormal( ia, ib, ic ); + + } + + // uvs + + if ( ua !== undefined && ua !== '' ) { + + const uvLen = this.uvs.length; + + ia = this.parseUVIndex( ua, uvLen ); + ib = this.parseUVIndex( ub, uvLen ); + ic = this.parseUVIndex( uc, uvLen ); + + this.addUV( ia, ib, ic ); + + this.object.geometry.hasUVIndices = true; + + } else { + + // add placeholder values (for inconsistent face definitions) + + this.addDefaultUV(); + + } + + }, + + addPointGeometry: function ( vertices ) { + + this.object.geometry.type = 'Points'; + + const vLen = this.vertices.length; + + for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) { + + const index = this.parseVertexIndex( vertices[ vi ], vLen ); + + this.addVertexPoint( index ); + this.addColor( index ); + + } + + }, + + addLineGeometry: function ( vertices, uvs ) { + + this.object.geometry.type = 'Line'; + + const vLen = this.vertices.length; + const uvLen = this.uvs.length; + + for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) { + + this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) ); + + } + + for ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) { + + this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) ); + + } + + } + + }; + + state.startObject( '', false ); + + return state; + +} + + +/** + * A loader for the OBJ format. + * + * The [OBJ format](https://en.wikipedia.org/wiki/Wavefront_.obj_file) is a simple data-format that + * represents 3D geometry in a human readable format as the position of each vertex, the UV position of + * each texture coordinate vertex, vertex normals, and the faces that make each polygon defined as a list + * of vertices, and texture vertices. + * + * ```js + * const loader = new OBJLoader(); + * const object = await loader.loadAsync( 'models/monster.obj' ); + * scene.add( object ); + * ``` + * + * @augments Loader + * @three_import import { OBJLoader } from 'three/addons/loaders/OBJLoader.js'; + */ +class OBJLoader extends Loader { + + /** + * Constructs a new OBJ loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * A reference to a material creator. + * + * @type {?MaterialCreator} + * @default null + */ + this.materials = null; + + } + + /** + * Starts loading from the given URL and passes the loaded OBJ asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Group)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Sets the material creator for this OBJ. This object is loaded via {@link MTLLoader}. + * + * @param {MaterialCreator} materials - An object that creates the materials for this OBJ. + * @return {OBJLoader} A reference to this loader. + */ + setMaterials( materials ) { + + this.materials = materials; + + return this; + + } + + /** + * Parses the given OBJ data and returns the resulting group. + * + * @param {string} text - The raw OBJ data as a string. + * @return {Group} The parsed OBJ. + */ + parse( text ) { + + const state = new ParserState(); + + if ( text.indexOf( '\r\n' ) !== - 1 ) { + + // This is faster than String.split with regex that splits on both + text = text.replace( /\r\n/g, '\n' ); + + } + + if ( text.indexOf( '\\\n' ) !== - 1 ) { + + // join lines separated by a line continuation character (\) + text = text.replace( /\\\n/g, '' ); + + } + + const lines = text.split( '\n' ); + let result = []; + + for ( let i = 0, l = lines.length; i < l; i ++ ) { + + const line = lines[ i ].trimStart(); + + if ( line.length === 0 ) continue; + + const lineFirstChar = line.charAt( 0 ); + + // @todo invoke passed in handler if any + if ( lineFirstChar === '#' ) continue; // skip comments + + if ( lineFirstChar === 'v' ) { + + const data = line.split( _face_vertex_data_separator_pattern ); + + switch ( data[ 0 ] ) { + + case 'v': + state.vertices.push( + parseFloat( data[ 1 ] ), + parseFloat( data[ 2 ] ), + parseFloat( data[ 3 ] ) + ); + if ( data.length >= 7 ) { + + _color.setRGB( + parseFloat( data[ 4 ] ), + parseFloat( data[ 5 ] ), + parseFloat( data[ 6 ] ), + SRGBColorSpace + ); + + state.colors.push( _color.r, _color.g, _color.b ); + + } else { + + // if no colors are defined, add placeholders so color and vertex indices match + + state.colors.push( undefined, undefined, undefined ); + + } + + break; + case 'vn': + state.normals.push( + parseFloat( data[ 1 ] ), + parseFloat( data[ 2 ] ), + parseFloat( data[ 3 ] ) + ); + break; + case 'vt': + state.uvs.push( + parseFloat( data[ 1 ] ), + parseFloat( data[ 2 ] ) + ); + break; + + } + + } else if ( lineFirstChar === 'f' ) { + + const lineData = line.slice( 1 ).trim(); + const vertexData = lineData.split( _face_vertex_data_separator_pattern ); + const faceVertices = []; + + // Parse the face vertex data into an easy to work with format + + for ( let j = 0, jl = vertexData.length; j < jl; j ++ ) { + + const vertex = vertexData[ j ]; + + if ( vertex.length > 0 ) { + + const vertexParts = vertex.split( '/' ); + faceVertices.push( vertexParts ); + + } + + } + + // Draw an edge between the first vertex and all subsequent vertices to form an n-gon + + const v1 = faceVertices[ 0 ]; + + for ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) { + + const v2 = faceVertices[ j ]; + const v3 = faceVertices[ j + 1 ]; + + state.addFace( + v1[ 0 ], v2[ 0 ], v3[ 0 ], + v1[ 1 ], v2[ 1 ], v3[ 1 ], + v1[ 2 ], v2[ 2 ], v3[ 2 ] + ); + + } + + } else if ( lineFirstChar === 'l' ) { + + const lineParts = line.substring( 1 ).trim().split( ' ' ); + let lineVertices = []; + const lineUVs = []; + + if ( line.indexOf( '/' ) === - 1 ) { + + lineVertices = lineParts; + + } else { + + for ( let li = 0, llen = lineParts.length; li < llen; li ++ ) { + + const parts = lineParts[ li ].split( '/' ); + + if ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] ); + if ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] ); + + } + + } + + state.addLineGeometry( lineVertices, lineUVs ); + + } else if ( lineFirstChar === 'p' ) { + + const lineData = line.slice( 1 ).trim(); + const pointData = lineData.split( ' ' ); + + state.addPointGeometry( pointData ); + + } else if ( ( result = _object_pattern.exec( line ) ) !== null ) { + + // o object_name + // or + // g group_name + + // WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869 + // let name = result[ 0 ].slice( 1 ).trim(); + const name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 ); + + state.startObject( name ); + + } else if ( _material_use_pattern.test( line ) ) { + + // material + + state.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries ); + + } else if ( _material_library_pattern.test( line ) ) { + + // mtl file + + state.materialLibraries.push( line.substring( 7 ).trim() ); + + } else if ( _map_use_pattern.test( line ) ) { + + // the line is parsed but ignored since the loader assumes textures are defined MTL files + // (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method) + + console.warn( 'THREE.OBJLoader: Rendering identifier "usemap" not supported. Textures must be defined in MTL files.' ); + + } else if ( lineFirstChar === 's' ) { + + result = line.split( ' ' ); + + // smooth shading + + // @todo Handle files that have varying smooth values for a set of faces inside one geometry, + // but does not define a usemtl for each face set. + // This should be detected and a dummy material created (later MultiMaterial and geometry groups). + // This requires some care to not create extra material on each smooth value for "normal" obj files. + // where explicit usemtl defines geometry groups. + // Example asset: examples/models/obj/cerberus/Cerberus.obj + + /* + * http://paulbourke.net/dataformats/obj/ + * + * From chapter "Grouping" Syntax explanation "s group_number": + * "group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off. + * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form + * surfaces, smoothing groups are either turned on or off; there is no difference between values greater + * than 0." + */ + if ( result.length > 1 ) { + + const value = result[ 1 ].trim().toLowerCase(); + state.object.smooth = ( value !== '0' && value !== 'off' ); + + } else { + + // ZBrush can produce "s" lines #11707 + state.object.smooth = true; + + } + + const material = state.object.currentMaterial(); + if ( material ) material.smooth = state.object.smooth; + + } else { + + // Handle null terminated files without exception + if ( line === '\0' ) continue; + + console.warn( 'THREE.OBJLoader: Unexpected line: "' + line + '"' ); + + } + + } + + state.finalize(); + + const container = new Group(); + container.materialLibraries = [].concat( state.materialLibraries ); + + const hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 ); + + if ( hasPrimitives === true ) { + + for ( let i = 0, l = state.objects.length; i < l; i ++ ) { + + const object = state.objects[ i ]; + const geometry = object.geometry; + const materials = object.materials; + const isLine = ( geometry.type === 'Line' ); + const isPoints = ( geometry.type === 'Points' ); + let hasVertexColors = false; + + // Skip o/g line declarations that did not follow with any faces + if ( geometry.vertices.length === 0 ) continue; + + const buffergeometry = new BufferGeometry(); + + buffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) ); + + if ( geometry.normals.length > 0 ) { + + buffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) ); + + } + + if ( geometry.colors.length > 0 ) { + + hasVertexColors = true; + buffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) ); + + } + + if ( geometry.hasUVIndices === true ) { + + buffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) ); + + } + + // Create materials + + const createdMaterials = []; + + for ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) { + + const sourceMaterial = materials[ mi ]; + const materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors; + let material = state.materials[ materialHash ]; + + if ( this.materials !== null ) { + + material = this.materials.create( sourceMaterial.name ); + + // mtl etc. loaders probably can't create line materials correctly, copy properties to a line material. + if ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) { + + const materialLine = new LineBasicMaterial(); + Material.prototype.copy.call( materialLine, material ); + materialLine.color.copy( material.color ); + material = materialLine; + + } else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) { + + const materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } ); + Material.prototype.copy.call( materialPoints, material ); + materialPoints.color.copy( material.color ); + materialPoints.map = material.map; + material = materialPoints; + + } + + } + + if ( material === undefined ) { + + if ( isLine ) { + + material = new LineBasicMaterial(); + + } else if ( isPoints ) { + + material = new PointsMaterial( { size: 1, sizeAttenuation: false } ); + + } else { + + material = new MeshPhongMaterial(); + + } + + material.name = sourceMaterial.name; + material.flatShading = sourceMaterial.smooth ? false : true; + material.vertexColors = hasVertexColors; + + state.materials[ materialHash ] = material; + + } + + createdMaterials.push( material ); + + } + + // Create mesh + + let mesh; + + if ( createdMaterials.length > 1 ) { + + for ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) { + + const sourceMaterial = materials[ mi ]; + buffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi ); + + } + + if ( isLine ) { + + mesh = new LineSegments( buffergeometry, createdMaterials ); + + } else if ( isPoints ) { + + mesh = new Points( buffergeometry, createdMaterials ); + + } else { + + mesh = new Mesh( buffergeometry, createdMaterials ); + + } + + } else { + + if ( isLine ) { + + mesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] ); + + } else if ( isPoints ) { + + mesh = new Points( buffergeometry, createdMaterials[ 0 ] ); + + } else { + + mesh = new Mesh( buffergeometry, createdMaterials[ 0 ] ); + + } + + } + + mesh.name = object.name; + + container.add( mesh ); + + } + + } else { + + // if there is only the default parser state object with no geometry data, interpret data as point cloud + + if ( state.vertices.length > 0 ) { + + const material = new PointsMaterial( { size: 1, sizeAttenuation: false } ); + + const buffergeometry = new BufferGeometry(); + + buffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) ); + + if ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) { + + buffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) ); + material.vertexColors = true; + + } + + const points = new Points( buffergeometry, material ); + container.add( points ); + + } + + } + + return container; + + } + +} + +export { OBJLoader }; diff --git a/node_modules/three/examples/jsm/loaders/PCDLoader.js b/node_modules/three/examples/jsm/loaders/PCDLoader.js new file mode 100644 index 0000000..3d88d11 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/PCDLoader.js @@ -0,0 +1,618 @@ +import { + BufferGeometry, + Color, + FileLoader, + Float32BufferAttribute, + Int32BufferAttribute, + Loader, + Points, + PointsMaterial, + SRGBColorSpace +} from 'three'; + +/** + * A loader for the Point Cloud Data (PCD) format. + * + * PCDLoader supports ASCII and (compressed) binary files as well as the following PCD fields: + * - x y z + * - rgb + * - normal_x normal_y normal_z + * - intensity + * - label + * + * ```js + * const loader = new PCDLoader(); + * + * const points = await loader.loadAsync( './models/pcd/binary/Zaghetto.pcd' ); + * points.geometry.center(); // optional + * points.geometry.rotateX( Math.PI ); // optional + * scene.add( points ); + * ``` + * + * @augments Loader + * @three_import import { PCDLoader } from 'three/addons/loaders/PCDLoader.js'; + */ +class PCDLoader extends Loader { + + /** + * Constructs a new PCD loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * Whether to use little Endian or not. + * + * @type {boolean} + * @default true + */ + this.littleEndian = true; + + } + + /** + * Starts loading from the given URL and passes the loaded PCD asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Points)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( data ) { + + try { + + onLoad( scope.parse( data ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Get dataview value by field type and size. + * + * @param {DataView} dataview - The DataView to read from. + * @param {number} offset - The offset to start reading from. + * @param {'F' | 'U' | 'I'} type - Field type. + * @param {number} size - Field size. + * @returns {number} Field value. + */ + _getDataView( dataview, offset, type, size ) { + + switch ( type ) { + + case 'F': { + + if ( size === 8 ) { + + return dataview.getFloat64( offset, this.littleEndian ); + + } + + return dataview.getFloat32( offset, this.littleEndian ); + + } + + case 'I': { + + if ( size === 1 ) { + + return dataview.getInt8( offset ); + + } + + if ( size === 2 ) { + + return dataview.getInt16( offset, this.littleEndian ); + + } + + return dataview.getInt32( offset, this.littleEndian ); + + } + + case 'U': { + + if ( size === 1 ) { + + return dataview.getUint8( offset ); + + } + + if ( size === 2 ) { + + return dataview.getUint16( offset, this.littleEndian ); + + } + + return dataview.getUint32( offset, this.littleEndian ); + + } + + } + + } + + /** + * Parses the given PCD data and returns a point cloud. + * + * @param {ArrayBuffer} data - The raw PCD data as an array buffer. + * @return {Points} The parsed point cloud. + */ + parse( data ) { + + // from https://gitlab.com/taketwo/three-pcd-loader/blob/master/decompress-lzf.js + + function decompressLZF( inData, outLength ) { + + const inLength = inData.length; + const outData = new Uint8Array( outLength ); + let inPtr = 0; + let outPtr = 0; + let ctrl; + let len; + let ref; + do { + + ctrl = inData[ inPtr ++ ]; + if ( ctrl < ( 1 << 5 ) ) { + + ctrl ++; + if ( outPtr + ctrl > outLength ) throw new Error( 'Output buffer is not large enough' ); + if ( inPtr + ctrl > inLength ) throw new Error( 'Invalid compressed data' ); + do { + + outData[ outPtr ++ ] = inData[ inPtr ++ ]; + + } while ( -- ctrl ); + + } else { + + len = ctrl >> 5; + ref = outPtr - ( ( ctrl & 0x1f ) << 8 ) - 1; + if ( inPtr >= inLength ) throw new Error( 'Invalid compressed data' ); + if ( len === 7 ) { + + len += inData[ inPtr ++ ]; + if ( inPtr >= inLength ) throw new Error( 'Invalid compressed data' ); + + } + + ref -= inData[ inPtr ++ ]; + if ( outPtr + len + 2 > outLength ) throw new Error( 'Output buffer is not large enough' ); + if ( ref < 0 ) throw new Error( 'Invalid compressed data' ); + if ( ref >= outPtr ) throw new Error( 'Invalid compressed data' ); + do { + + outData[ outPtr ++ ] = outData[ ref ++ ]; + + } while ( -- len + 2 ); + + } + + } while ( inPtr < inLength ); + + return outData; + + } + + function parseHeader( binaryData ) { + + const PCDheader = {}; + + const buffer = new Uint8Array( binaryData ); + + let data = '', line = '', i = 0, end = false; + + const max = buffer.length; + + while ( i < max && end === false ) { + + const char = String.fromCharCode( buffer[ i ++ ] ); + + if ( char === '\n' || char === '\r' ) { + + if ( line.trim().toLowerCase().startsWith( 'data' ) ) { + + end = true; + + } + + line = ''; + + } else { + + line += char; + + } + + data += char; + + } + + const result1 = data.search( /[\r\n]DATA\s(\S*)\s/i ); + const result2 = /[\r\n]DATA\s(\S*)\s/i.exec( data.slice( result1 - 1 ) ); + + PCDheader.data = result2[ 1 ]; + PCDheader.headerLen = result2[ 0 ].length + result1; + PCDheader.str = data.slice( 0, PCDheader.headerLen ); + + // remove comments + + PCDheader.str = PCDheader.str.replace( /#.*/gi, '' ); + + // parse + + PCDheader.version = /^VERSION (.*)/im.exec( PCDheader.str ); + PCDheader.fields = /^FIELDS (.*)/im.exec( PCDheader.str ); + PCDheader.size = /^SIZE (.*)/im.exec( PCDheader.str ); + PCDheader.type = /^TYPE (.*)/im.exec( PCDheader.str ); + PCDheader.count = /^COUNT (.*)/im.exec( PCDheader.str ); + PCDheader.width = /^WIDTH (.*)/im.exec( PCDheader.str ); + PCDheader.height = /^HEIGHT (.*)/im.exec( PCDheader.str ); + PCDheader.viewpoint = /^VIEWPOINT (.*)/im.exec( PCDheader.str ); + PCDheader.points = /^POINTS (.*)/im.exec( PCDheader.str ); + + // evaluate + + if ( PCDheader.version !== null ) + PCDheader.version = parseFloat( PCDheader.version[ 1 ] ); + + PCDheader.fields = ( PCDheader.fields !== null ) ? PCDheader.fields[ 1 ].split( ' ' ) : []; + + if ( PCDheader.type !== null ) + PCDheader.type = PCDheader.type[ 1 ].split( ' ' ); + + if ( PCDheader.width !== null ) + PCDheader.width = parseInt( PCDheader.width[ 1 ] ); + + if ( PCDheader.height !== null ) + PCDheader.height = parseInt( PCDheader.height[ 1 ] ); + + if ( PCDheader.viewpoint !== null ) + PCDheader.viewpoint = PCDheader.viewpoint[ 1 ]; + + if ( PCDheader.points !== null ) + PCDheader.points = parseInt( PCDheader.points[ 1 ], 10 ); + + if ( PCDheader.points === null ) + PCDheader.points = PCDheader.width * PCDheader.height; + + if ( PCDheader.size !== null ) { + + PCDheader.size = PCDheader.size[ 1 ].split( ' ' ).map( function ( x ) { + + return parseInt( x, 10 ); + + } ); + + } + + if ( PCDheader.count !== null ) { + + PCDheader.count = PCDheader.count[ 1 ].split( ' ' ).map( function ( x ) { + + return parseInt( x, 10 ); + + } ); + + } else { + + PCDheader.count = []; + + for ( let i = 0, l = PCDheader.fields.length; i < l; i ++ ) { + + PCDheader.count.push( 1 ); + + } + + } + + PCDheader.offset = {}; + + let sizeSum = 0; + + for ( let i = 0, l = PCDheader.fields.length; i < l; i ++ ) { + + if ( PCDheader.data === 'ascii' ) { + + PCDheader.offset[ PCDheader.fields[ i ] ] = i; + + } else { + + PCDheader.offset[ PCDheader.fields[ i ] ] = sizeSum; + sizeSum += PCDheader.size[ i ] * PCDheader.count[ i ]; + + } + + } + + // for binary only + + PCDheader.rowSize = sizeSum; + + return PCDheader; + + } + + // parse header + + const PCDheader = parseHeader( data ); + + // parse data + + const position = []; + const normal = []; + const color = []; + const intensity = []; + const label = []; + + const c = new Color(); + + // ascii + + if ( PCDheader.data === 'ascii' ) { + + const offset = PCDheader.offset; + const textData = new TextDecoder().decode( data ); + const pcdData = textData.slice( PCDheader.headerLen ); + const lines = pcdData.split( '\n' ); + + for ( let i = 0, l = lines.length; i < l; i ++ ) { + + if ( lines[ i ] === '' ) continue; + + const line = lines[ i ].split( ' ' ); + + if ( offset.x !== undefined ) { + + position.push( parseFloat( line[ offset.x ] ) ); + position.push( parseFloat( line[ offset.y ] ) ); + position.push( parseFloat( line[ offset.z ] ) ); + + } + + if ( offset.rgb !== undefined ) { + + const rgb_field_index = PCDheader.fields.findIndex( ( field ) => field === 'rgb' ); + const rgb_type = PCDheader.type[ rgb_field_index ]; + + const float = parseFloat( line[ offset.rgb ] ); + let rgb = float; + + if ( rgb_type === 'F' ) { + + // treat float values as int + // https://github.com/daavoo/pyntcloud/pull/204/commits/7b4205e64d5ed09abe708b2e91b615690c24d518 + const farr = new Float32Array( 1 ); + farr[ 0 ] = float; + rgb = new Int32Array( farr.buffer )[ 0 ]; + + } + + const r = ( ( rgb >> 16 ) & 0x0000ff ) / 255; + const g = ( ( rgb >> 8 ) & 0x0000ff ) / 255; + const b = ( ( rgb >> 0 ) & 0x0000ff ) / 255; + + c.setRGB( r, g, b, SRGBColorSpace ); + + color.push( c.r, c.g, c.b ); + + } + + if ( offset.normal_x !== undefined ) { + + normal.push( parseFloat( line[ offset.normal_x ] ) ); + normal.push( parseFloat( line[ offset.normal_y ] ) ); + normal.push( parseFloat( line[ offset.normal_z ] ) ); + + } + + if ( offset.intensity !== undefined ) { + + intensity.push( parseFloat( line[ offset.intensity ] ) ); + + } + + if ( offset.label !== undefined ) { + + label.push( parseInt( line[ offset.label ] ) ); + + } + + } + + } + + // binary-compressed + + // normally data in PCD files are organized as array of structures: XYZRGBXYZRGB + // binary compressed PCD files organize their data as structure of arrays: XXYYZZRGBRGB + // that requires a totally different parsing approach compared to non-compressed data + + if ( PCDheader.data === 'binary_compressed' ) { + + const sizes = new Uint32Array( data.slice( PCDheader.headerLen, PCDheader.headerLen + 8 ) ); + const compressedSize = sizes[ 0 ]; + const decompressedSize = sizes[ 1 ]; + const decompressed = decompressLZF( new Uint8Array( data, PCDheader.headerLen + 8, compressedSize ), decompressedSize ); + const dataview = new DataView( decompressed.buffer ); + + const offset = PCDheader.offset; + + for ( let i = 0; i < PCDheader.points; i ++ ) { + + if ( offset.x !== undefined ) { + + const xIndex = PCDheader.fields.indexOf( 'x' ); + const yIndex = PCDheader.fields.indexOf( 'y' ); + const zIndex = PCDheader.fields.indexOf( 'z' ); + position.push( this._getDataView( dataview, ( PCDheader.points * offset.x ) + PCDheader.size[ xIndex ] * i, PCDheader.type[ xIndex ], PCDheader.size[ xIndex ] ) ); + position.push( this._getDataView( dataview, ( PCDheader.points * offset.y ) + PCDheader.size[ yIndex ] * i, PCDheader.type[ yIndex ], PCDheader.size[ yIndex ] ) ); + position.push( this._getDataView( dataview, ( PCDheader.points * offset.z ) + PCDheader.size[ zIndex ] * i, PCDheader.type[ zIndex ], PCDheader.size[ zIndex ] ) ); + + } + + if ( offset.rgb !== undefined ) { + + const rgbIndex = PCDheader.fields.indexOf( 'rgb' ); + + const r = dataview.getUint8( ( PCDheader.points * offset.rgb ) + PCDheader.size[ rgbIndex ] * i + 2 ) / 255.0; + const g = dataview.getUint8( ( PCDheader.points * offset.rgb ) + PCDheader.size[ rgbIndex ] * i + 1 ) / 255.0; + const b = dataview.getUint8( ( PCDheader.points * offset.rgb ) + PCDheader.size[ rgbIndex ] * i + 0 ) / 255.0; + + c.setRGB( r, g, b, SRGBColorSpace ); + + color.push( c.r, c.g, c.b ); + + } + + if ( offset.normal_x !== undefined ) { + + const xIndex = PCDheader.fields.indexOf( 'normal_x' ); + const yIndex = PCDheader.fields.indexOf( 'normal_y' ); + const zIndex = PCDheader.fields.indexOf( 'normal_z' ); + normal.push( this._getDataView( dataview, ( PCDheader.points * offset.normal_x ) + PCDheader.size[ xIndex ] * i, PCDheader.type[ xIndex ], PCDheader.size[ xIndex ] ) ); + normal.push( this._getDataView( dataview, ( PCDheader.points * offset.normal_y ) + PCDheader.size[ yIndex ] * i, PCDheader.type[ yIndex ], PCDheader.size[ yIndex ] ) ); + normal.push( this._getDataView( dataview, ( PCDheader.points * offset.normal_z ) + PCDheader.size[ zIndex ] * i, PCDheader.type[ zIndex ], PCDheader.size[ zIndex ] ) ); + + } + + if ( offset.intensity !== undefined ) { + + const intensityIndex = PCDheader.fields.indexOf( 'intensity' ); + intensity.push( this._getDataView( dataview, ( PCDheader.points * offset.intensity ) + PCDheader.size[ intensityIndex ] * i, PCDheader.type[ intensityIndex ], PCDheader.size[ intensityIndex ] ) ); + + } + + if ( offset.label !== undefined ) { + + const labelIndex = PCDheader.fields.indexOf( 'label' ); + label.push( dataview.getInt32( ( PCDheader.points * offset.label ) + PCDheader.size[ labelIndex ] * i, this.littleEndian ) ); + + } + + } + + } + + // binary + + if ( PCDheader.data === 'binary' ) { + + const dataview = new DataView( data, PCDheader.headerLen ); + const offset = PCDheader.offset; + + for ( let i = 0, row = 0; i < PCDheader.points; i ++, row += PCDheader.rowSize ) { + + if ( offset.x !== undefined ) { + + const xIndex = PCDheader.fields.indexOf( 'x' ); + const yIndex = PCDheader.fields.indexOf( 'y' ); + const zIndex = PCDheader.fields.indexOf( 'z' ); + position.push( this._getDataView( dataview, row + offset.x, PCDheader.type[ xIndex ], PCDheader.size[ xIndex ] ) ); + position.push( this._getDataView( dataview, row + offset.y, PCDheader.type[ yIndex ], PCDheader.size[ yIndex ] ) ); + position.push( this._getDataView( dataview, row + offset.z, PCDheader.type[ zIndex ], PCDheader.size[ zIndex ] ) ); + + } + + if ( offset.rgb !== undefined ) { + + const r = dataview.getUint8( row + offset.rgb + 2 ) / 255.0; + const g = dataview.getUint8( row + offset.rgb + 1 ) / 255.0; + const b = dataview.getUint8( row + offset.rgb + 0 ) / 255.0; + + c.setRGB( r, g, b, SRGBColorSpace ); + + color.push( c.r, c.g, c.b ); + + } + + if ( offset.normal_x !== undefined ) { + + const xIndex = PCDheader.fields.indexOf( 'normal_x' ); + const yIndex = PCDheader.fields.indexOf( 'normal_y' ); + const zIndex = PCDheader.fields.indexOf( 'normal_z' ); + normal.push( this._getDataView( dataview, row + offset.normal_x, PCDheader.type[ xIndex ], PCDheader.size[ xIndex ] ) ); + normal.push( this._getDataView( dataview, row + offset.normal_y, PCDheader.type[ yIndex ], PCDheader.size[ yIndex ] ) ); + normal.push( this._getDataView( dataview, row + offset.normal_z, PCDheader.type[ zIndex ], PCDheader.size[ zIndex ] ) ); + + } + + if ( offset.intensity !== undefined ) { + + const intensityIndex = PCDheader.fields.indexOf( 'intensity' ); + intensity.push( this._getDataView( dataview, row + offset.intensity, PCDheader.type[ intensityIndex ], PCDheader.size[ intensityIndex ] ) ); + + } + + if ( offset.label !== undefined ) { + + label.push( dataview.getInt32( row + offset.label, this.littleEndian ) ); + + } + + } + + } + + // build geometry + + const geometry = new BufferGeometry(); + + if ( position.length > 0 ) geometry.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) ); + if ( normal.length > 0 ) geometry.setAttribute( 'normal', new Float32BufferAttribute( normal, 3 ) ); + if ( color.length > 0 ) geometry.setAttribute( 'color', new Float32BufferAttribute( color, 3 ) ); + if ( intensity.length > 0 ) geometry.setAttribute( 'intensity', new Float32BufferAttribute( intensity, 1 ) ); + if ( label.length > 0 ) geometry.setAttribute( 'label', new Int32BufferAttribute( label, 1 ) ); + + geometry.computeBoundingSphere(); + + // build material + + const material = new PointsMaterial( { size: 0.005 } ); + + if ( color.length > 0 ) { + + material.vertexColors = true; + + } + + // build point cloud + + return new Points( geometry, material ); + + } + +} + +export { PCDLoader }; diff --git a/node_modules/three/examples/jsm/loaders/PDBLoader.js b/node_modules/three/examples/jsm/loaders/PDBLoader.js new file mode 100644 index 0000000..db53434 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/PDBLoader.js @@ -0,0 +1,272 @@ +import { + BufferGeometry, + FileLoader, + Float32BufferAttribute, + Loader, + Color, + SRGBColorSpace +} from 'three'; + +/** + * A loader for the PDB format. + * + * The [Protein Data Bank](https://en.wikipedia.org/wiki/Protein_Data_Bank_(file_format)) + * file format is a textual file describing the three-dimensional structures of molecules. + * + * ```js + * const loader = new PDBLoader(); + * const pdb = await loader.loadAsync( 'models/pdb/ethanol.pdb' ); + * + * const geometryAtoms = pdb.geometryAtoms; + * const geometryBonds = pdb.geometryBonds; + * const json = pdb.json; + * ``` + * + * @augments Loader + * @three_import import { PDBLoader } from 'three/addons/loaders/PDBLoader.js'; + */ +class PDBLoader extends Loader { + + /** + * Constructs a new PDB loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded PDB asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(Object)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given PDB data and returns an object holding the atoms and + * bond geometries as well as the raw atom data as JSON. + * + * @param {string} text - The raw PDB data as a string. + * @return {Object} The result object. + */ + parse( text ) { + + // Based on CanvasMol PDB parser + + function trim( text ) { + + return text.replace( /^\s\s*/, '' ).replace( /\s\s*$/, '' ); + + } + + function capitalize( text ) { + + return text.charAt( 0 ).toUpperCase() + text.slice( 1 ).toLowerCase(); + + } + + function hash( s, e ) { + + return 's' + Math.min( s, e ) + 'e' + Math.max( s, e ); + + } + + function parseBond( start, length, satom, i ) { + + const eatom = parseInt( lines[ i ].slice( start, start + length ) ); + + if ( eatom ) { + + const h = hash( satom, eatom ); + + if ( _bhash[ h ] === undefined ) { + + _bonds.push( [ satom - 1, eatom - 1, 1 ] ); + _bhash[ h ] = _bonds.length - 1; + + } else { + + // doesn't really work as almost all PDBs + // have just normal bonds appearing multiple + // times instead of being double/triple bonds + // bonds[bhash[h]][2] += 1; + + } + + } + + } + + function buildGeometry() { + + const build = { + geometryAtoms: new BufferGeometry(), + geometryBonds: new BufferGeometry(), + json: { + atoms: atoms + } + }; + + const geometryAtoms = build.geometryAtoms; + const geometryBonds = build.geometryBonds; + + const verticesAtoms = []; + const colorsAtoms = []; + const verticesBonds = []; + + // atoms + + const c = new Color(); + + for ( let i = 0, l = atoms.length; i < l; i ++ ) { + + const atom = atoms[ i ]; + + const x = atom[ 0 ]; + const y = atom[ 1 ]; + const z = atom[ 2 ]; + + verticesAtoms.push( x, y, z ); + + const r = atom[ 3 ][ 0 ] / 255; + const g = atom[ 3 ][ 1 ] / 255; + const b = atom[ 3 ][ 2 ] / 255; + + c.setRGB( r, g, b, SRGBColorSpace ); + + colorsAtoms.push( c.r, c.g, c.b ); + + } + + // bonds + + for ( let i = 0, l = _bonds.length; i < l; i ++ ) { + + const bond = _bonds[ i ]; + + const start = bond[ 0 ]; + const end = bond[ 1 ]; + + const startAtom = _atomMap[ start ]; + const endAtom = _atomMap[ end ]; + + let x = startAtom[ 0 ]; + let y = startAtom[ 1 ]; + let z = startAtom[ 2 ]; + + verticesBonds.push( x, y, z ); + + x = endAtom[ 0 ]; + y = endAtom[ 1 ]; + z = endAtom[ 2 ]; + + verticesBonds.push( x, y, z ); + + } + + // build geometry + + geometryAtoms.setAttribute( 'position', new Float32BufferAttribute( verticesAtoms, 3 ) ); + geometryAtoms.setAttribute( 'color', new Float32BufferAttribute( colorsAtoms, 3 ) ); + + geometryBonds.setAttribute( 'position', new Float32BufferAttribute( verticesBonds, 3 ) ); + + return build; + + } + + const CPK = { h: [ 255, 255, 255 ], he: [ 217, 255, 255 ], li: [ 204, 128, 255 ], be: [ 194, 255, 0 ], b: [ 255, 181, 181 ], c: [ 144, 144, 144 ], n: [ 48, 80, 248 ], o: [ 255, 13, 13 ], f: [ 144, 224, 80 ], ne: [ 179, 227, 245 ], na: [ 171, 92, 242 ], mg: [ 138, 255, 0 ], al: [ 191, 166, 166 ], si: [ 240, 200, 160 ], p: [ 255, 128, 0 ], s: [ 255, 255, 48 ], cl: [ 31, 240, 31 ], ar: [ 128, 209, 227 ], k: [ 143, 64, 212 ], ca: [ 61, 255, 0 ], sc: [ 230, 230, 230 ], ti: [ 191, 194, 199 ], v: [ 166, 166, 171 ], cr: [ 138, 153, 199 ], mn: [ 156, 122, 199 ], fe: [ 224, 102, 51 ], co: [ 240, 144, 160 ], ni: [ 80, 208, 80 ], cu: [ 200, 128, 51 ], zn: [ 125, 128, 176 ], ga: [ 194, 143, 143 ], ge: [ 102, 143, 143 ], as: [ 189, 128, 227 ], se: [ 255, 161, 0 ], br: [ 166, 41, 41 ], kr: [ 92, 184, 209 ], rb: [ 112, 46, 176 ], sr: [ 0, 255, 0 ], y: [ 148, 255, 255 ], zr: [ 148, 224, 224 ], nb: [ 115, 194, 201 ], mo: [ 84, 181, 181 ], tc: [ 59, 158, 158 ], ru: [ 36, 143, 143 ], rh: [ 10, 125, 140 ], pd: [ 0, 105, 133 ], ag: [ 192, 192, 192 ], cd: [ 255, 217, 143 ], in: [ 166, 117, 115 ], sn: [ 102, 128, 128 ], sb: [ 158, 99, 181 ], te: [ 212, 122, 0 ], i: [ 148, 0, 148 ], xe: [ 66, 158, 176 ], cs: [ 87, 23, 143 ], ba: [ 0, 201, 0 ], la: [ 112, 212, 255 ], ce: [ 255, 255, 199 ], pr: [ 217, 255, 199 ], nd: [ 199, 255, 199 ], pm: [ 163, 255, 199 ], sm: [ 143, 255, 199 ], eu: [ 97, 255, 199 ], gd: [ 69, 255, 199 ], tb: [ 48, 255, 199 ], dy: [ 31, 255, 199 ], ho: [ 0, 255, 156 ], er: [ 0, 230, 117 ], tm: [ 0, 212, 82 ], yb: [ 0, 191, 56 ], lu: [ 0, 171, 36 ], hf: [ 77, 194, 255 ], ta: [ 77, 166, 255 ], w: [ 33, 148, 214 ], re: [ 38, 125, 171 ], os: [ 38, 102, 150 ], ir: [ 23, 84, 135 ], pt: [ 208, 208, 224 ], au: [ 255, 209, 35 ], hg: [ 184, 184, 208 ], tl: [ 166, 84, 77 ], pb: [ 87, 89, 97 ], bi: [ 158, 79, 181 ], po: [ 171, 92, 0 ], at: [ 117, 79, 69 ], rn: [ 66, 130, 150 ], fr: [ 66, 0, 102 ], ra: [ 0, 125, 0 ], ac: [ 112, 171, 250 ], th: [ 0, 186, 255 ], pa: [ 0, 161, 255 ], u: [ 0, 143, 255 ], np: [ 0, 128, 255 ], pu: [ 0, 107, 255 ], am: [ 84, 92, 242 ], cm: [ 120, 92, 227 ], bk: [ 138, 79, 227 ], cf: [ 161, 54, 212 ], es: [ 179, 31, 212 ], fm: [ 179, 31, 186 ], md: [ 179, 13, 166 ], no: [ 189, 13, 135 ], lr: [ 199, 0, 102 ], rf: [ 204, 0, 89 ], db: [ 209, 0, 79 ], sg: [ 217, 0, 69 ], bh: [ 224, 0, 56 ], hs: [ 230, 0, 46 ], mt: [ 235, 0, 38 ], ds: [ 235, 0, 38 ], rg: [ 235, 0, 38 ], cn: [ 235, 0, 38 ], uut: [ 235, 0, 38 ], uuq: [ 235, 0, 38 ], uup: [ 235, 0, 38 ], uuh: [ 235, 0, 38 ], uus: [ 235, 0, 38 ], uuo: [ 235, 0, 38 ] }; + + const atoms = []; + + const _bonds = []; + const _bhash = {}; + const _atomMap = {}; + + // parse + + const lines = text.split( '\n' ); + + for ( let i = 0, l = lines.length; i < l; i ++ ) { + + if ( lines[ i ].slice( 0, 4 ) === 'ATOM' || lines[ i ].slice( 0, 6 ) === 'HETATM' ) { + + const x = parseFloat( lines[ i ].slice( 30, 37 ) ); + const y = parseFloat( lines[ i ].slice( 38, 45 ) ); + const z = parseFloat( lines[ i ].slice( 46, 53 ) ); + const index = parseInt( lines[ i ].slice( 6, 11 ) ) - 1; + + let e = trim( lines[ i ].slice( 76, 78 ) ).toLowerCase(); + + if ( e === '' ) { + + e = trim( lines[ i ].slice( 12, 14 ) ).toLowerCase(); + + } + + const atomData = [ x, y, z, CPK[ e ], capitalize( e ) ]; + + atoms.push( atomData ); + _atomMap[ index ] = atomData; + + } else if ( lines[ i ].slice( 0, 6 ) === 'CONECT' ) { + + const satom = parseInt( lines[ i ].slice( 6, 11 ) ); + + parseBond( 11, 5, satom, i ); + parseBond( 16, 5, satom, i ); + parseBond( 21, 5, satom, i ); + parseBond( 26, 5, satom, i ); + + } + + } + + // build and return geometry + + return buildGeometry(); + + } + +} + +export { PDBLoader }; diff --git a/node_modules/three/examples/jsm/loaders/PLYLoader.js b/node_modules/three/examples/jsm/loaders/PLYLoader.js new file mode 100644 index 0000000..dc0fc6d --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/PLYLoader.js @@ -0,0 +1,805 @@ +import { + BufferGeometry, + FileLoader, + Float32BufferAttribute, + Loader, + Color, + SRGBColorSpace +} from 'three'; + +const _color = new Color(); + +/** + * A loader for PLY the PLY format (known as the Polygon + * File Format or the Stanford Triangle Format). + * + * Limitations: + * - ASCII decoding assumes file is UTF-8. + * + * ```js + * const loader = new PLYLoader(); + * const geometry = await loader.loadAsync( './models/ply/ascii/dolphins.ply' ); + * scene.add( new THREE.Mesh( geometry ) ); + * ``` + * + * @augments Loader + * @three_import import { PLYLoader } from 'three/addons/loaders/PLYLoader.js'; + */ +class PLYLoader extends Loader { + + /** + * Constructs a new PLY loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + // internals + + this.propertyNameMapping = {}; + this.customPropertyMapping = {}; + + } + + /** + * Starts loading from the given URL and passes the loaded PLY asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Sets a property name mapping that maps default property names + * to custom ones. For example, the following maps the properties + * “diffuse_(red|green|blue)” in the file to standard color names. + * + * ```js + * loader.setPropertyNameMapping( { + * diffuse_red: 'red', + * diffuse_green: 'green', + * diffuse_blue: 'blue' + * } ); + * ``` + * + * @param {Object} mapping - The mapping dictionary. + */ + setPropertyNameMapping( mapping ) { + + this.propertyNameMapping = mapping; + + } + + /** + * Custom properties outside of the defaults for position, uv, normal + * and color attributes can be added using the setCustomPropertyNameMapping method. + * For example, the following maps the element properties “custom_property_a” + * and “custom_property_b” to an attribute “customAttribute” with an item size of 2. + * Attribute item sizes are set from the number of element properties in the property array. + * + * ```js + * loader.setCustomPropertyNameMapping( { + * customAttribute: ['custom_property_a', 'custom_property_b'], + * } ); + * ``` + * @param {Object} mapping - The mapping dictionary. + */ + setCustomPropertyNameMapping( mapping ) { + + this.customPropertyMapping = mapping; + + } + + /** + * Parses the given PLY data and returns the resulting geometry. + * + * @param {ArrayBuffer} data - The raw PLY data as an array buffer. + * @return {BufferGeometry} The parsed geometry. + */ + parse( data ) { + + function parseHeader( data, headerLength = 0 ) { + + const patternHeader = /^ply([\s\S]*)end_header(\r\n|\r|\n)/; + let headerText = ''; + const result = patternHeader.exec( data ); + + if ( result !== null ) { + + headerText = result[ 1 ]; + + } + + const header = { + comments: [], + elements: [], + headerLength: headerLength, + objInfo: '' + }; + + const lines = headerText.split( /\r\n|\r|\n/ ); + let currentElement; + + function make_ply_element_property( propertyValues, propertyNameMapping ) { + + const property = { type: propertyValues[ 0 ] }; + + if ( property.type === 'list' ) { + + property.name = propertyValues[ 3 ]; + property.countType = propertyValues[ 1 ]; + property.itemType = propertyValues[ 2 ]; + + } else { + + property.name = propertyValues[ 1 ]; + + } + + if ( property.name in propertyNameMapping ) { + + property.name = propertyNameMapping[ property.name ]; + + } + + return property; + + } + + for ( let i = 0; i < lines.length; i ++ ) { + + let line = lines[ i ]; + line = line.trim(); + + if ( line === '' ) continue; + + const lineValues = line.split( /\s+/ ); + const lineType = lineValues.shift(); + line = lineValues.join( ' ' ); + + switch ( lineType ) { + + case 'format': + + header.format = lineValues[ 0 ]; + header.version = lineValues[ 1 ]; + + break; + + case 'comment': + + header.comments.push( line ); + + break; + + case 'element': + + if ( currentElement !== undefined ) { + + header.elements.push( currentElement ); + + } + + currentElement = {}; + currentElement.name = lineValues[ 0 ]; + currentElement.count = parseInt( lineValues[ 1 ] ); + currentElement.properties = []; + + break; + + case 'property': + + currentElement.properties.push( make_ply_element_property( lineValues, scope.propertyNameMapping ) ); + + break; + + case 'obj_info': + + header.objInfo = line; + + break; + + + default: + + console.log( 'unhandled', lineType, lineValues ); + + } + + } + + if ( currentElement !== undefined ) { + + header.elements.push( currentElement ); + + } + + return header; + + } + + function parseASCIINumber( n, type ) { + + switch ( type ) { + + case 'char': case 'uchar': case 'short': case 'ushort': case 'int': case 'uint': + case 'int8': case 'uint8': case 'int16': case 'uint16': case 'int32': case 'uint32': + + return parseInt( n ); + + case 'float': case 'double': case 'float32': case 'float64': + + return parseFloat( n ); + + } + + } + + function parseASCIIElement( properties, tokens ) { + + const element = {}; + + for ( let i = 0; i < properties.length; i ++ ) { + + if ( tokens.empty() ) return null; + + if ( properties[ i ].type === 'list' ) { + + const list = []; + const n = parseASCIINumber( tokens.next(), properties[ i ].countType ); + + for ( let j = 0; j < n; j ++ ) { + + if ( tokens.empty() ) return null; + + list.push( parseASCIINumber( tokens.next(), properties[ i ].itemType ) ); + + } + + element[ properties[ i ].name ] = list; + + } else { + + element[ properties[ i ].name ] = parseASCIINumber( tokens.next(), properties[ i ].type ); + + } + + } + + return element; + + } + + function createBuffer() { + + const buffer = { + indices: [], + vertices: [], + normals: [], + uvs: [], + faceVertexUvs: [], + colors: [], + faceVertexColors: [] + }; + + for ( const customProperty of Object.keys( scope.customPropertyMapping ) ) { + + buffer[ customProperty ] = []; + + } + + return buffer; + + } + + function mapElementAttributes( properties ) { + + const elementNames = properties.map( property => { + + return property.name; + + } ); + + function findAttrName( names ) { + + for ( let i = 0, l = names.length; i < l; i ++ ) { + + const name = names[ i ]; + + if ( elementNames.includes( name ) ) return name; + + } + + return null; + + } + + return { + attrX: findAttrName( [ 'x', 'px', 'posx' ] ) || 'x', + attrY: findAttrName( [ 'y', 'py', 'posy' ] ) || 'y', + attrZ: findAttrName( [ 'z', 'pz', 'posz' ] ) || 'z', + attrNX: findAttrName( [ 'nx', 'normalx' ] ), + attrNY: findAttrName( [ 'ny', 'normaly' ] ), + attrNZ: findAttrName( [ 'nz', 'normalz' ] ), + attrS: findAttrName( [ 's', 'u', 'texture_u', 'tx' ] ), + attrT: findAttrName( [ 't', 'v', 'texture_v', 'ty' ] ), + attrR: findAttrName( [ 'red', 'diffuse_red', 'r', 'diffuse_r' ] ), + attrG: findAttrName( [ 'green', 'diffuse_green', 'g', 'diffuse_g' ] ), + attrB: findAttrName( [ 'blue', 'diffuse_blue', 'b', 'diffuse_b' ] ), + }; + + } + + function parseASCII( data, header ) { + + // PLY ascii format specification, as per http://en.wikipedia.org/wiki/PLY_(file_format) + + const buffer = createBuffer(); + + const patternBody = /end_header\s+(\S[\s\S]*\S|\S)\s*$/; + let body, matches; + + if ( ( matches = patternBody.exec( data ) ) !== null ) { + + body = matches[ 1 ].split( /\s+/ ); + + } else { + + body = [ ]; + + } + + const tokens = new ArrayStream( body ); + + loop: for ( let i = 0; i < header.elements.length; i ++ ) { + + const elementDesc = header.elements[ i ]; + const attributeMap = mapElementAttributes( elementDesc.properties ); + + for ( let j = 0; j < elementDesc.count; j ++ ) { + + const element = parseASCIIElement( elementDesc.properties, tokens ); + + if ( ! element ) break loop; + + handleElement( buffer, elementDesc.name, element, attributeMap ); + + } + + } + + return postProcess( buffer ); + + } + + function postProcess( buffer ) { + + let geometry = new BufferGeometry(); + + // mandatory buffer data + + if ( buffer.indices.length > 0 ) { + + geometry.setIndex( buffer.indices ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( buffer.vertices, 3 ) ); + + // optional buffer data + + if ( buffer.normals.length > 0 ) { + + geometry.setAttribute( 'normal', new Float32BufferAttribute( buffer.normals, 3 ) ); + + } + + if ( buffer.uvs.length > 0 ) { + + geometry.setAttribute( 'uv', new Float32BufferAttribute( buffer.uvs, 2 ) ); + + } + + if ( buffer.colors.length > 0 ) { + + geometry.setAttribute( 'color', new Float32BufferAttribute( buffer.colors, 3 ) ); + + } + + if ( buffer.faceVertexUvs.length > 0 || buffer.faceVertexColors.length > 0 ) { + + geometry = geometry.toNonIndexed(); + + if ( buffer.faceVertexUvs.length > 0 ) geometry.setAttribute( 'uv', new Float32BufferAttribute( buffer.faceVertexUvs, 2 ) ); + if ( buffer.faceVertexColors.length > 0 ) geometry.setAttribute( 'color', new Float32BufferAttribute( buffer.faceVertexColors, 3 ) ); + + } + + // custom buffer data + + for ( const customProperty of Object.keys( scope.customPropertyMapping ) ) { + + if ( buffer[ customProperty ].length > 0 ) { + + geometry.setAttribute( + customProperty, + new Float32BufferAttribute( + buffer[ customProperty ], + scope.customPropertyMapping[ customProperty ].length + ) + ); + + } + + } + + geometry.computeBoundingSphere(); + + return geometry; + + } + + function handleElement( buffer, elementName, element, cacheEntry ) { + + if ( elementName === 'vertex' ) { + + buffer.vertices.push( element[ cacheEntry.attrX ], element[ cacheEntry.attrY ], element[ cacheEntry.attrZ ] ); + + if ( cacheEntry.attrNX !== null && cacheEntry.attrNY !== null && cacheEntry.attrNZ !== null ) { + + buffer.normals.push( element[ cacheEntry.attrNX ], element[ cacheEntry.attrNY ], element[ cacheEntry.attrNZ ] ); + + } + + if ( cacheEntry.attrS !== null && cacheEntry.attrT !== null ) { + + buffer.uvs.push( element[ cacheEntry.attrS ], element[ cacheEntry.attrT ] ); + + } + + if ( cacheEntry.attrR !== null && cacheEntry.attrG !== null && cacheEntry.attrB !== null ) { + + _color.setRGB( + element[ cacheEntry.attrR ] / 255.0, + element[ cacheEntry.attrG ] / 255.0, + element[ cacheEntry.attrB ] / 255.0, + SRGBColorSpace + ); + + buffer.colors.push( _color.r, _color.g, _color.b ); + + } + + for ( const customProperty of Object.keys( scope.customPropertyMapping ) ) { + + for ( const elementProperty of scope.customPropertyMapping[ customProperty ] ) { + + buffer[ customProperty ].push( element[ elementProperty ] ); + + } + + } + + } else if ( elementName === 'face' ) { + + const vertex_indices = element.vertex_indices || element.vertex_index; // issue #9338 + const texcoord = element.texcoord; + + if ( vertex_indices.length === 3 ) { + + buffer.indices.push( vertex_indices[ 0 ], vertex_indices[ 1 ], vertex_indices[ 2 ] ); + + if ( texcoord && texcoord.length === 6 ) { + + buffer.faceVertexUvs.push( texcoord[ 0 ], texcoord[ 1 ] ); + buffer.faceVertexUvs.push( texcoord[ 2 ], texcoord[ 3 ] ); + buffer.faceVertexUvs.push( texcoord[ 4 ], texcoord[ 5 ] ); + + } + + } else if ( vertex_indices.length === 4 ) { + + buffer.indices.push( vertex_indices[ 0 ], vertex_indices[ 1 ], vertex_indices[ 3 ] ); + buffer.indices.push( vertex_indices[ 1 ], vertex_indices[ 2 ], vertex_indices[ 3 ] ); + + } + + // face colors + + if ( cacheEntry.attrR !== null && cacheEntry.attrG !== null && cacheEntry.attrB !== null ) { + + _color.setRGB( + element[ cacheEntry.attrR ] / 255.0, + element[ cacheEntry.attrG ] / 255.0, + element[ cacheEntry.attrB ] / 255.0, + SRGBColorSpace + ); + buffer.faceVertexColors.push( _color.r, _color.g, _color.b ); + buffer.faceVertexColors.push( _color.r, _color.g, _color.b ); + buffer.faceVertexColors.push( _color.r, _color.g, _color.b ); + + } + + } + + } + + function binaryReadElement( at, properties ) { + + const element = {}; + let read = 0; + + for ( let i = 0; i < properties.length; i ++ ) { + + const property = properties[ i ]; + const valueReader = property.valueReader; + + if ( property.type === 'list' ) { + + const list = []; + + const n = property.countReader.read( at + read ); + read += property.countReader.size; + + for ( let j = 0; j < n; j ++ ) { + + list.push( valueReader.read( at + read ) ); + read += valueReader.size; + + } + + element[ property.name ] = list; + + } else { + + element[ property.name ] = valueReader.read( at + read ); + read += valueReader.size; + + } + + } + + return [ element, read ]; + + } + + function setPropertyBinaryReaders( properties, body, little_endian ) { + + function getBinaryReader( dataview, type, little_endian ) { + + switch ( type ) { + + // correspondences for non-specific length types here match rply: + case 'int8': case 'char': return { read: ( at ) => { + + return dataview.getInt8( at ); + + }, size: 1 }; + case 'uint8': case 'uchar': return { read: ( at ) => { + + return dataview.getUint8( at ); + + }, size: 1 }; + case 'int16': case 'short': return { read: ( at ) => { + + return dataview.getInt16( at, little_endian ); + + }, size: 2 }; + case 'uint16': case 'ushort': return { read: ( at ) => { + + return dataview.getUint16( at, little_endian ); + + }, size: 2 }; + case 'int32': case 'int': return { read: ( at ) => { + + return dataview.getInt32( at, little_endian ); + + }, size: 4 }; + case 'uint32': case 'uint': return { read: ( at ) => { + + return dataview.getUint32( at, little_endian ); + + }, size: 4 }; + case 'float32': case 'float': return { read: ( at ) => { + + return dataview.getFloat32( at, little_endian ); + + }, size: 4 }; + case 'float64': case 'double': return { read: ( at ) => { + + return dataview.getFloat64( at, little_endian ); + + }, size: 8 }; + + } + + } + + for ( let i = 0, l = properties.length; i < l; i ++ ) { + + const property = properties[ i ]; + + if ( property.type === 'list' ) { + + property.countReader = getBinaryReader( body, property.countType, little_endian ); + property.valueReader = getBinaryReader( body, property.itemType, little_endian ); + + } else { + + property.valueReader = getBinaryReader( body, property.type, little_endian ); + + } + + } + + } + + function parseBinary( data, header ) { + + const buffer = createBuffer(); + + const little_endian = ( header.format === 'binary_little_endian' ); + const body = new DataView( data, header.headerLength ); + let result, loc = 0; + + for ( let currentElement = 0; currentElement < header.elements.length; currentElement ++ ) { + + const elementDesc = header.elements[ currentElement ]; + const properties = elementDesc.properties; + const attributeMap = mapElementAttributes( properties ); + + setPropertyBinaryReaders( properties, body, little_endian ); + + for ( let currentElementCount = 0; currentElementCount < elementDesc.count; currentElementCount ++ ) { + + result = binaryReadElement( loc, properties ); + loc += result[ 1 ]; + const element = result[ 0 ]; + + handleElement( buffer, elementDesc.name, element, attributeMap ); + + } + + } + + return postProcess( buffer ); + + } + + function extractHeaderText( bytes ) { + + let i = 0; + let cont = true; + + let line = ''; + const lines = []; + + const startLine = new TextDecoder().decode( bytes.subarray( 0, 5 ) ); + const hasCRNL = /^ply\r\n/.test( startLine ); + + do { + + const c = String.fromCharCode( bytes[ i ++ ] ); + + if ( c !== '\n' && c !== '\r' ) { + + line += c; + + } else { + + if ( line === 'end_header' ) cont = false; + if ( line !== '' ) { + + lines.push( line ); + line = ''; + + } + + } + + } while ( cont && i < bytes.length ); + + // ascii section using \r\n as line endings + if ( hasCRNL === true ) i ++; + + return { headerText: lines.join( '\r' ) + '\r', headerLength: i }; + + } + + // + + let geometry; + const scope = this; + + if ( data instanceof ArrayBuffer ) { + + const bytes = new Uint8Array( data ); + const { headerText, headerLength } = extractHeaderText( bytes ); + const header = parseHeader( headerText, headerLength ); + + if ( header.format === 'ascii' ) { + + const text = new TextDecoder().decode( bytes ); + + geometry = parseASCII( text, header ); + + } else { + + geometry = parseBinary( data, header ); + + } + + } else { + + geometry = parseASCII( data, parseHeader( data ) ); + + } + + return geometry; + + } + +} + +class ArrayStream { + + constructor( arr ) { + + this.arr = arr; + this.i = 0; + + } + + empty() { + + return this.i >= this.arr.length; + + } + + next() { + + return this.arr[ this.i ++ ]; + + } + +} + +export { PLYLoader }; diff --git a/node_modules/three/examples/jsm/loaders/PVRLoader.js b/node_modules/three/examples/jsm/loaders/PVRLoader.js new file mode 100644 index 0000000..bdedd56 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/PVRLoader.js @@ -0,0 +1,270 @@ +import { + CompressedTextureLoader, + RGBA_PVRTC_2BPPV1_Format, + RGBA_PVRTC_4BPPV1_Format, + RGB_PVRTC_2BPPV1_Format, + RGB_PVRTC_4BPPV1_Format +} from 'three'; + +/** + * A loader for the PVRTC texture compression format. + * + * ```js + * const loader = new PVRLoader(); + * + * const map = loader.load( 'textures/compressed/disturb_4bpp_rgb.pvr' ); + * map.colorSpace = THREE.SRGBColorSpace; // only for color textures + * ``` + * + * @augments CompressedTextureLoader + * @three_import import { PVRLoader } from 'three/addons/loaders/PVRLoader.js'; + */ +class PVRLoader extends CompressedTextureLoader { + + /** + * Constructs a new PVR loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Parses the given PVRTC texture data. + * + * @param {ArrayBuffer} buffer - The raw texture data. + * @param {boolean} loadMipmaps - Whether to load mipmaps or not. This option is not yet supported by the loader. + * @return {CompressedTextureLoader~TexData} An object representing the parsed texture data. + */ + parse( buffer, loadMipmaps ) { + + const headerLengthInt = 13; + const header = new Uint32Array( buffer, 0, headerLengthInt ); + + const pvrDatas = { + buffer: buffer, + header: header, + loadMipmaps: loadMipmaps + }; + + if ( header[ 0 ] === 0x03525650 ) { + + // PVR v3 + + return _parseV3( pvrDatas ); + + } else if ( header[ 11 ] === 0x21525650 ) { + + // PVR v2 + + return _parseV2( pvrDatas ); + + } else { + + console.error( 'THREE.PVRLoader: Unknown PVR format.' ); + + } + + } + +} + +function _parseV3( pvrDatas ) { + + const header = pvrDatas.header; + let bpp, format; + + + const metaLen = header[ 12 ], + pixelFormat = header[ 2 ], + height = header[ 6 ], + width = header[ 7 ], + // numSurfs = header[ 9 ], + numFaces = header[ 10 ], + numMipmaps = header[ 11 ]; + + switch ( pixelFormat ) { + + case 0 : // PVRTC 2bpp RGB + bpp = 2; + format = RGB_PVRTC_2BPPV1_Format; + break; + + case 1 : // PVRTC 2bpp RGBA + bpp = 2; + format = RGBA_PVRTC_2BPPV1_Format; + break; + + case 2 : // PVRTC 4bpp RGB + bpp = 4; + format = RGB_PVRTC_4BPPV1_Format; + break; + + case 3 : // PVRTC 4bpp RGBA + bpp = 4; + format = RGBA_PVRTC_4BPPV1_Format; + break; + + default : + console.error( 'THREE.PVRLoader: Unsupported PVR format:', pixelFormat ); + + } + + pvrDatas.dataPtr = 52 + metaLen; + pvrDatas.bpp = bpp; + pvrDatas.format = format; + pvrDatas.width = width; + pvrDatas.height = height; + pvrDatas.numSurfaces = numFaces; + pvrDatas.numMipmaps = numMipmaps; + pvrDatas.isCubemap = ( numFaces === 6 ); + + return _extract( pvrDatas ); + +} + +function _parseV2( pvrDatas ) { + + const header = pvrDatas.header; + + const headerLength = header[ 0 ], + height = header[ 1 ], + width = header[ 2 ], + numMipmaps = header[ 3 ], + flags = header[ 4 ], + // dataLength = header[ 5 ], + // bpp = header[ 6 ], + // bitmaskRed = header[ 7 ], + // bitmaskGreen = header[ 8 ], + // bitmaskBlue = header[ 9 ], + bitmaskAlpha = header[ 10 ], + // pvrTag = header[ 11 ], + numSurfs = header[ 12 ]; + + + const TYPE_MASK = 0xff; + const PVRTC_2 = 24, + PVRTC_4 = 25; + + const formatFlags = flags & TYPE_MASK; + + let bpp, format; + const _hasAlpha = bitmaskAlpha > 0; + + if ( formatFlags === PVRTC_4 ) { + + format = _hasAlpha ? RGBA_PVRTC_4BPPV1_Format : RGB_PVRTC_4BPPV1_Format; + bpp = 4; + + } else if ( formatFlags === PVRTC_2 ) { + + format = _hasAlpha ? RGBA_PVRTC_2BPPV1_Format : RGB_PVRTC_2BPPV1_Format; + bpp = 2; + + } else { + + console.error( 'THREE.PVRLoader: Unknown PVR format:', formatFlags ); + + } + + pvrDatas.dataPtr = headerLength; + pvrDatas.bpp = bpp; + pvrDatas.format = format; + pvrDatas.width = width; + pvrDatas.height = height; + pvrDatas.numSurfaces = numSurfs; + pvrDatas.numMipmaps = numMipmaps + 1; + + // guess cubemap type seems tricky in v2 + // it's just a pvr containing 6 surface (no explicit cubemap type) + pvrDatas.isCubemap = ( numSurfs === 6 ); + + return _extract( pvrDatas ); + +} + + +function _extract( pvrDatas ) { + + const pvr = { + mipmaps: [], + width: pvrDatas.width, + height: pvrDatas.height, + format: pvrDatas.format, + mipmapCount: pvrDatas.numMipmaps, + isCubemap: pvrDatas.isCubemap + }; + + const buffer = pvrDatas.buffer; + + let dataOffset = pvrDatas.dataPtr, + dataSize = 0, + blockSize = 0, + blockWidth = 0, + blockHeight = 0, + widthBlocks = 0, + heightBlocks = 0; + + const bpp = pvrDatas.bpp, + numSurfs = pvrDatas.numSurfaces; + + if ( bpp === 2 ) { + + blockWidth = 8; + blockHeight = 4; + + } else { + + blockWidth = 4; + blockHeight = 4; + + } + + blockSize = ( blockWidth * blockHeight ) * bpp / 8; + + pvr.mipmaps.length = pvrDatas.numMipmaps * numSurfs; + + let mipLevel = 0; + + while ( mipLevel < pvrDatas.numMipmaps ) { + + const sWidth = pvrDatas.width >> mipLevel, + sHeight = pvrDatas.height >> mipLevel; + + widthBlocks = sWidth / blockWidth; + heightBlocks = sHeight / blockHeight; + + // Clamp to minimum number of blocks + if ( widthBlocks < 2 ) widthBlocks = 2; + if ( heightBlocks < 2 ) heightBlocks = 2; + + dataSize = widthBlocks * heightBlocks * blockSize; + + for ( let surfIndex = 0; surfIndex < numSurfs; surfIndex ++ ) { + + const byteArray = new Uint8Array( buffer, dataOffset, dataSize ); + + const mipmap = { + data: byteArray, + width: sWidth, + height: sHeight + }; + + pvr.mipmaps[ surfIndex * pvrDatas.numMipmaps + mipLevel ] = mipmap; + + dataOffset += dataSize; + + } + + mipLevel ++; + + } + + return pvr; + +} + +export { PVRLoader }; diff --git a/node_modules/three/examples/jsm/loaders/RGBELoader.js b/node_modules/three/examples/jsm/loaders/RGBELoader.js new file mode 100644 index 0000000..4dc5748 --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/RGBELoader.js @@ -0,0 +1,18 @@ +import { HDRLoader } from './HDRLoader.js'; + +// @deprecated, r180 + +class RGBELoader extends HDRLoader { + + constructor( manager ) { + + console.warn( 'RGBELoader has been deprecated. Please use HDRLoader instead.' ); + super( manager ); + + } + +} + +export { RGBELoader }; + + diff --git a/node_modules/three/examples/jsm/loaders/STLLoader.js b/node_modules/three/examples/jsm/loaders/STLLoader.js new file mode 100644 index 0000000..45f8ddf --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/STLLoader.js @@ -0,0 +1,421 @@ +import { + BufferAttribute, + BufferGeometry, + Color, + FileLoader, + Float32BufferAttribute, + Loader, + Vector3, + SRGBColorSpace +} from 'three'; + +/** + * A loader for the STL format, as created by Solidworks and other CAD programs. + * + * Supports both binary and ASCII encoded files. The loader returns a non-indexed buffer geometry. + * + * Limitations: + * - Binary decoding supports "Magics" color format (http://en.wikipedia.org/wiki/STL_(file_format)#Color_in_binary_STL). + * - There is perhaps some question as to how valid it is to always assume little-endian-ness. + * - ASCII decoding assumes file is UTF-8. + * + * ```js + * const loader = new STLLoader(); + * const geometry = await loader.loadAsync( './models/stl/slotted_disk.stl' ) + * scene.add( new THREE.Mesh( geometry ) ); + * ``` + * For binary STLs geometry might contain colors for vertices. To use it: + * ```js + * // use the same code to load STL as above + * if ( geometry.hasColors ) { + * material = new THREE.MeshPhongMaterial( { opacity: geometry.alpha, vertexColors: true } ); + * } + * const mesh = new THREE.Mesh( geometry, material ); + * ``` + * For ASCII STLs containing multiple solids, each solid is assigned to a different group. + * Groups can be used to assign a different color by defining an array of materials with the same length of + * geometry.groups and passing it to the Mesh constructor: + * + * ```js + * const materials = []; + * const nGeometryGroups = geometry.groups.length; + * + * for ( let i = 0; i < nGeometryGroups; i ++ ) { + * const material = new THREE.MeshPhongMaterial( { color: colorMap[ i ], wireframe: false } ); + * materials.push( material ); + * } + * + * const mesh = new THREE.Mesh(geometry, materials); + * ``` + * + * @augments Loader + * @three_import import { STLLoader } from 'three/addons/loaders/STLLoader.js'; + */ +class STLLoader extends Loader { + + /** + * Constructs a new STL loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + } + + /** + * Starts loading from the given URL and passes the loaded STL asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given STL data and returns the resulting geometry. + * + * @param {ArrayBuffer} data - The raw STL data as an array buffer. + * @return {BufferGeometry} The parsed geometry. + */ + parse( data ) { + + function isBinary( data ) { + + const reader = new DataView( data ); + const face_size = ( 32 / 8 * 3 ) + ( ( 32 / 8 * 3 ) * 3 ) + ( 16 / 8 ); + const n_faces = reader.getUint32( 80, true ); + const expect = 80 + ( 32 / 8 ) + ( n_faces * face_size ); + + if ( expect === reader.byteLength ) { + + return true; + + } + + // An ASCII STL data must begin with 'solid ' as the first six bytes. + // However, ASCII STLs lacking the SPACE after the 'd' are known to be + // plentiful. So, check the first 5 bytes for 'solid'. + + // Several encodings, such as UTF-8, precede the text with up to 5 bytes: + // https://en.wikipedia.org/wiki/Byte_order_mark#Byte_order_marks_by_encoding + // Search for "solid" to start anywhere after those prefixes. + + // US-ASCII ordinal values for 's', 'o', 'l', 'i', 'd' + + const solid = [ 115, 111, 108, 105, 100 ]; + + for ( let off = 0; off < 5; off ++ ) { + + // If "solid" text is matched to the current offset, declare it to be an ASCII STL. + + if ( matchDataViewAt( solid, reader, off ) ) return false; + + } + + // Couldn't find "solid" text at the beginning; it is binary STL. + + return true; + + } + + function matchDataViewAt( query, reader, offset ) { + + // Check if each byte in query matches the corresponding byte from the current offset + + for ( let i = 0, il = query.length; i < il; i ++ ) { + + if ( query[ i ] !== reader.getUint8( offset + i ) ) return false; + + } + + return true; + + } + + function parseBinary( data ) { + + const reader = new DataView( data ); + const faces = reader.getUint32( 80, true ); + + let r, g, b, hasColors = false, colors; + let defaultR, defaultG, defaultB, alpha; + + // process STL header + // check for default color in header ("COLOR=rgba" sequence). + + for ( let index = 0; index < 80 - 10; index ++ ) { + + if ( ( reader.getUint32( index, false ) == 0x434F4C4F /*COLO*/ ) && + ( reader.getUint8( index + 4 ) == 0x52 /*'R'*/ ) && + ( reader.getUint8( index + 5 ) == 0x3D /*'='*/ ) ) { + + hasColors = true; + colors = new Float32Array( faces * 3 * 3 ); + + defaultR = reader.getUint8( index + 6 ) / 255; + defaultG = reader.getUint8( index + 7 ) / 255; + defaultB = reader.getUint8( index + 8 ) / 255; + alpha = reader.getUint8( index + 9 ) / 255; + + } + + } + + const dataOffset = 84; + const faceLength = 12 * 4 + 2; + + const geometry = new BufferGeometry(); + + const vertices = new Float32Array( faces * 3 * 3 ); + const normals = new Float32Array( faces * 3 * 3 ); + + const color = new Color(); + + for ( let face = 0; face < faces; face ++ ) { + + const start = dataOffset + face * faceLength; + const normalX = reader.getFloat32( start, true ); + const normalY = reader.getFloat32( start + 4, true ); + const normalZ = reader.getFloat32( start + 8, true ); + + if ( hasColors ) { + + const packedColor = reader.getUint16( start + 48, true ); + + if ( ( packedColor & 0x8000 ) === 0 ) { + + // facet has its own unique color + + r = ( packedColor & 0x1F ) / 31; + g = ( ( packedColor >> 5 ) & 0x1F ) / 31; + b = ( ( packedColor >> 10 ) & 0x1F ) / 31; + + } else { + + r = defaultR; + g = defaultG; + b = defaultB; + + } + + } + + for ( let i = 1; i <= 3; i ++ ) { + + const vertexstart = start + i * 12; + const componentIdx = ( face * 3 * 3 ) + ( ( i - 1 ) * 3 ); + + vertices[ componentIdx ] = reader.getFloat32( vertexstart, true ); + vertices[ componentIdx + 1 ] = reader.getFloat32( vertexstart + 4, true ); + vertices[ componentIdx + 2 ] = reader.getFloat32( vertexstart + 8, true ); + + normals[ componentIdx ] = normalX; + normals[ componentIdx + 1 ] = normalY; + normals[ componentIdx + 2 ] = normalZ; + + if ( hasColors ) { + + color.setRGB( r, g, b, SRGBColorSpace ); + + colors[ componentIdx ] = color.r; + colors[ componentIdx + 1 ] = color.g; + colors[ componentIdx + 2 ] = color.b; + + } + + } + + } + + geometry.setAttribute( 'position', new BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'normal', new BufferAttribute( normals, 3 ) ); + + if ( hasColors ) { + + geometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) ); + geometry.hasColors = true; + geometry.alpha = alpha; + + } + + return geometry; + + } + + function parseASCII( data ) { + + const geometry = new BufferGeometry(); + const patternSolid = /solid([\s\S]*?)endsolid/g; + const patternFace = /facet([\s\S]*?)endfacet/g; + const patternName = /solid\s(.+)/; + let faceCounter = 0; + + const patternFloat = /[\s]+([+-]?(?:\d*)(?:\.\d*)?(?:[eE][+-]?\d+)?)/.source; + const patternVertex = new RegExp( 'vertex' + patternFloat + patternFloat + patternFloat, 'g' ); + const patternNormal = new RegExp( 'normal' + patternFloat + patternFloat + patternFloat, 'g' ); + + const vertices = []; + const normals = []; + const groupNames = []; + + const normal = new Vector3(); + + let result; + + let groupCount = 0; + let startVertex = 0; + let endVertex = 0; + + while ( ( result = patternSolid.exec( data ) ) !== null ) { + + startVertex = endVertex; + + const solid = result[ 0 ]; + + const name = ( result = patternName.exec( solid ) ) !== null ? result[ 1 ] : ''; + groupNames.push( name ); + + while ( ( result = patternFace.exec( solid ) ) !== null ) { + + let vertexCountPerFace = 0; + let normalCountPerFace = 0; + + const text = result[ 0 ]; + + while ( ( result = patternNormal.exec( text ) ) !== null ) { + + normal.x = parseFloat( result[ 1 ] ); + normal.y = parseFloat( result[ 2 ] ); + normal.z = parseFloat( result[ 3 ] ); + normalCountPerFace ++; + + } + + while ( ( result = patternVertex.exec( text ) ) !== null ) { + + vertices.push( parseFloat( result[ 1 ] ), parseFloat( result[ 2 ] ), parseFloat( result[ 3 ] ) ); + normals.push( normal.x, normal.y, normal.z ); + vertexCountPerFace ++; + endVertex ++; + + } + + // every face have to own ONE valid normal + + if ( normalCountPerFace !== 1 ) { + + console.error( 'THREE.STLLoader: Something isn\'t right with the normal of face number ' + faceCounter ); + + } + + // each face have to own THREE valid vertices + + if ( vertexCountPerFace !== 3 ) { + + console.error( 'THREE.STLLoader: Something isn\'t right with the vertices of face number ' + faceCounter ); + + } + + faceCounter ++; + + } + + const start = startVertex; + const count = endVertex - startVertex; + + geometry.userData.groupNames = groupNames; + + geometry.addGroup( start, count, groupCount ); + groupCount ++; + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + + return geometry; + + } + + function ensureString( buffer ) { + + if ( typeof buffer !== 'string' ) { + + return new TextDecoder().decode( buffer ); + + } + + return buffer; + + } + + function ensureBinary( buffer ) { + + if ( typeof buffer === 'string' ) { + + const array_buffer = new Uint8Array( buffer.length ); + for ( let i = 0; i < buffer.length; i ++ ) { + + array_buffer[ i ] = buffer.charCodeAt( i ) & 0xff; // implicitly assumes little-endian + + } + + return array_buffer.buffer || array_buffer; + + } else { + + return buffer; + + } + + } + + // start + + const binData = ensureBinary( data ); + + return isBinary( binData ) ? parseBinary( binData ) : parseASCII( ensureString( data ) ); + + } + +} + +export { STLLoader }; diff --git a/node_modules/three/examples/jsm/loaders/SVGLoader.js b/node_modules/three/examples/jsm/loaders/SVGLoader.js new file mode 100644 index 0000000..fa3c87b --- /dev/null +++ b/node_modules/three/examples/jsm/loaders/SVGLoader.js @@ -0,0 +1,3267 @@ +import { + Box2, + BufferGeometry, + FileLoader, + Float32BufferAttribute, + Loader, + Matrix3, + Path, + Shape, + ShapePath, + ShapeUtils, + SRGBColorSpace, + Vector2, + Vector3 +} from 'three'; + +const COLOR_SPACE_SVG = SRGBColorSpace; + +/** + * A loader for the SVG format. + * + * Scalable Vector Graphics is an XML-based vector image format for two-dimensional graphics + * with support for interactivity and animation. + * + * ```js + * const loader = new SVGLoader(); + * const data = await loader.loadAsync( 'data/svgSample.svg' ); + * + * const paths = data.paths; + * const group = new THREE.Group(); + * + * for ( let i = 0; i < paths.length; i ++ ) { + * + * const path = paths[ i ]; + * const material = new THREE.MeshBasicMaterial( { + * color: path.color, + * side: THREE.DoubleSide, + * depthWrite: false + * } ); + * + * const shapes = SVGLoader.createShapes( path ); + * + * for ( let j = 0; j < shapes.length; j ++ ) { + * + * const shape = shapes[ j ]; + * const geometry = new THREE.ShapeGeometry( shape ); + * const mesh = new THREE.Mesh( geometry, material ); + * group.add( mesh ); + * + * } + * + * } + * + * scene.add( group ); + * ``` + * + * @augments Loader + * @three_import import { SVGLoader } from 'three/addons/loaders/SVGLoader.js'; + */ +class SVGLoader extends Loader { + + /** + * Constructs a new SVG loader. + * + * @param {LoadingManager} [manager] - The loading manager. + */ + constructor( manager ) { + + super( manager ); + + /** + * Default dots per inch. + * + * @type {number} + * @default 90 + */ + this.defaultDPI = 90; + + /** + * Default unit. + * + * @type {('mm'|'cm'|'in'|'pt'|'pc'|'px')} + * @default 'px' + */ + this.defaultUnit = 'px'; + + } + + /** + * Starts loading from the given URL and passes the loaded SVG asset + * to the `onLoad()` callback. + * + * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI. + * @param {function({paths:Array,xml:string})} onLoad - Executed when the loading process has been finished. + * @param {onProgressCallback} onProgress - Executed while the loading is in progress. + * @param {onErrorCallback} onError - Executed when errors occur. + */ + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( text ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + /** + * Parses the given SVG data and returns the resulting data. + * + * @param {string} text - The raw SVG data as a string. + * @return {{paths:Array,xml:string}} An object holding an array of shape paths and the + * SVG XML document. + */ + parse( text ) { + + const scope = this; + + function parseNode( node, style ) { + + if ( node.nodeType !== 1 ) return; + + const transform = getNodeTransform( node ); + + let isDefsNode = false; + + let path = null; + + switch ( node.nodeName ) { + + case 'svg': + style = parseStyle( node, style ); + break; + + case 'style': + parseCSSStylesheet( node ); + break; + + case 'g': + style = parseStyle( node, style ); + break; + + case 'path': + style = parseStyle( node, style ); + if ( node.hasAttribute( 'd' ) ) path = parsePathNode( node ); + break; + + case 'rect': + style = parseStyle( node, style ); + path = parseRectNode( node ); + break; + + case 'polygon': + style = parseStyle( node, style ); + path = parsePolygonNode( node ); + break; + + case 'polyline': + style = parseStyle( node, style ); + path = parsePolylineNode( node ); + break; + + case 'circle': + style = parseStyle( node, style ); + path = parseCircleNode( node ); + break; + + case 'ellipse': + style = parseStyle( node, style ); + path = parseEllipseNode( node ); + break; + + case 'line': + style = parseStyle( node, style ); + path = parseLineNode( node ); + break; + + case 'defs': + isDefsNode = true; + break; + + case 'use': + style = parseStyle( node, style ); + + const href = node.getAttributeNS( 'http://www.w3.org/1999/xlink', 'href' ) || ''; + const usedNodeId = href.substring( 1 ); + const usedNode = node.viewportElement.getElementById( usedNodeId ); + if ( usedNode ) { + + parseNode( usedNode, style ); + + } else { + + console.warn( 'SVGLoader: \'use node\' references non-existent node id: ' + usedNodeId ); + + } + + break; + + default: + // console.log( node ); + + } + + if ( path ) { + + if ( style.fill !== undefined && style.fill !== 'none' ) { + + path.color.setStyle( style.fill, COLOR_SPACE_SVG ); + + } + + transformPath( path, currentTransform ); + + paths.push( path ); + + path.userData = { node: node, style: style }; + + } + + const childNodes = node.childNodes; + + for ( let i = 0; i < childNodes.length; i ++ ) { + + const node = childNodes[ i ]; + + if ( isDefsNode && node.nodeName !== 'style' && node.nodeName !== 'defs' ) { + + // Ignore everything in defs except CSS style definitions + // and nested defs, because it is OK by the standard to have + // + + `; +} + +//#endregion +//#region src/node/server/transformRequest.ts +var import_etag = /* @__PURE__ */ __toESM(require_etag(), 1); +var import_picocolors$19 = /* @__PURE__ */ __toESM(require_picocolors(), 1); +const ERR_LOAD_URL = "ERR_LOAD_URL"; +const ERR_LOAD_PUBLIC_URL = "ERR_LOAD_PUBLIC_URL"; +const ERR_DENIED_ID = "ERR_DENIED_ID"; +const debugLoad = createDebugger("vite:load"); +const debugTransform = createDebugger("vite:transform"); +const debugCache$1 = createDebugger("vite:cache"); +function transformRequest(environment, url$3, options$1 = {}) { + if (environment._closing && environment.config.dev.recoverable) throwClosedServerError(); + const timestamp = monotonicDateNow(); + url$3 = removeTimestampQuery(url$3); + const pending = environment._pendingRequests.get(url$3); + if (pending) return environment.moduleGraph.getModuleByUrl(url$3).then((module$1) => { + if (!module$1 || pending.timestamp > module$1.lastInvalidationTimestamp) return pending.request; + else { + pending.abort(); + return transformRequest(environment, url$3, options$1); + } + }); + const request = doTransform(environment, url$3, options$1, timestamp); + let cleared = false; + const clearCache = () => { + if (!cleared) { + environment._pendingRequests.delete(url$3); + cleared = true; + } + }; + environment._pendingRequests.set(url$3, { + request, + timestamp, + abort: clearCache + }); + return request.finally(clearCache); +} +async function doTransform(environment, url$3, options$1, timestamp) { + const { pluginContainer } = environment; + let module$1 = await environment.moduleGraph.getModuleByUrl(url$3); + if (module$1) { + const cached = await getCachedTransformResult(environment, url$3, module$1, timestamp); + if (cached) return cached; + } + const resolved = module$1 ? void 0 : await pluginContainer.resolveId(url$3, void 0) ?? void 0; + const id = module$1?.id ?? resolved?.id ?? url$3; + module$1 ??= environment.moduleGraph.getModuleById(id); + if (module$1) { + await environment.moduleGraph._ensureEntryFromUrl(url$3, void 0, resolved); + const cached = await getCachedTransformResult(environment, url$3, module$1, timestamp); + if (cached) return cached; + } + const result = loadAndTransform(environment, id, url$3, options$1, timestamp, module$1, resolved); + const { depsOptimizer } = environment; + if (!depsOptimizer?.isOptimizedDepFile(id)) environment._registerRequestProcessing(id, () => result); + return result; +} +async function getCachedTransformResult(environment, url$3, module$1, timestamp) { + const prettyUrl = debugCache$1 ? prettifyUrl(url$3, environment.config.root) : ""; + const softInvalidatedTransformResult = await handleModuleSoftInvalidation(environment, module$1, timestamp); + if (softInvalidatedTransformResult) { + debugCache$1?.(`[memory-hmr] ${prettyUrl}`); + return softInvalidatedTransformResult; + } + const cached = module$1.transformResult; + if (cached) { + debugCache$1?.(`[memory] ${prettyUrl}`); + return cached; + } +} +async function loadAndTransform(environment, id, url$3, options$1, timestamp, mod, resolved) { + const { config: config$2, pluginContainer, logger } = environment; + const prettyUrl = debugLoad || debugTransform ? prettifyUrl(url$3, config$2.root) : ""; + const moduleGraph = environment.moduleGraph; + if (options$1.allowId && !options$1.allowId(id)) { + const err$2 = /* @__PURE__ */ new Error(`Denied ID ${id}`); + err$2.code = ERR_DENIED_ID; + err$2.id = id; + throw err$2; + } + let code = null; + let map$1 = null; + const loadStart = debugLoad ? performance$1.now() : 0; + const loadResult = await pluginContainer.load(id); + if (loadResult == null) { + const file = cleanUrl(id); + if (environment.config.consumer === "server" || isFileLoadingAllowed(environment.getTopLevelConfig(), slash(file))) { + try { + code = await fsp.readFile(file, "utf-8"); + debugLoad?.(`${timeFrom(loadStart)} [fs] ${prettyUrl}`); + } catch (e$1) { + if (e$1.code !== "ENOENT" && e$1.code !== "EISDIR") throw e$1; + } + if (code != null && environment.pluginContainer.watcher) ensureWatchedFile(environment.pluginContainer.watcher, file, config$2.root); + } + if (code) try { + const extracted = await extractSourcemapFromFile(code, file); + if (extracted) { + code = extracted.code; + map$1 = extracted.map; + } + } catch (e$1) { + logger.warn(`Failed to load source map for ${file}.\n${e$1}`, { timestamp: true }); + } + } else { + debugLoad?.(`${timeFrom(loadStart)} [plugin] ${prettyUrl}`); + if (isObject(loadResult)) { + code = loadResult.code; + map$1 = loadResult.map; + } else code = loadResult; + } + if (code == null) { + const isPublicFile = checkPublicFile(url$3, environment.getTopLevelConfig()); + let publicDirName = path.relative(config$2.root, config$2.publicDir); + if (publicDirName[0] !== ".") publicDirName = "/" + publicDirName; + const msg = isPublicFile ? `This file is in ${publicDirName} and will be copied as-is during build without going through the plugin transforms, and therefore should not be imported from source code. It can only be referenced via HTML tags.` : `Does the file exist?`; + const importerMod = moduleGraph.idToModuleMap.get(id)?.importers.values().next().value; + const importer = importerMod?.file || importerMod?.url; + const err$2 = /* @__PURE__ */ new Error(`Failed to load url ${url$3} (resolved id: ${id})${importer ? ` in ${importer}` : ""}. ${msg}`); + err$2.code = isPublicFile ? ERR_LOAD_PUBLIC_URL : ERR_LOAD_URL; + throw err$2; + } + if (environment._closing && environment.config.dev.recoverable) throwClosedServerError(); + mod ??= await moduleGraph._ensureEntryFromUrl(url$3, void 0, resolved); + const transformStart = debugTransform ? performance$1.now() : 0; + const transformResult = await pluginContainer.transform(code, id, { inMap: map$1 }); + const originalCode = code; + if (transformResult.code === originalCode) debugTransform?.(timeFrom(transformStart) + import_picocolors$19.default.dim(` [skipped] ${prettyUrl}`)); + else { + debugTransform?.(`${timeFrom(transformStart)} ${prettyUrl}`); + code = transformResult.code; + map$1 = transformResult.map; + } + let normalizedMap; + if (typeof map$1 === "string") normalizedMap = JSON.parse(map$1); + else if (map$1) normalizedMap = map$1; + else normalizedMap = null; + if (normalizedMap && "version" in normalizedMap && mod.file) { + if (normalizedMap.mappings) await injectSourcesContent(normalizedMap, mod.file, logger); + const sourcemapPath = `${mod.file}.map`; + applySourcemapIgnoreList(normalizedMap, sourcemapPath, config$2.server.sourcemapIgnoreList, logger); + if (path.isAbsolute(mod.file)) { + let modDirname; + for (let sourcesIndex = 0; sourcesIndex < normalizedMap.sources.length; ++sourcesIndex) { + const sourcePath = normalizedMap.sources[sourcesIndex]; + if (sourcePath) { + if (path.isAbsolute(sourcePath)) { + modDirname ??= path.dirname(mod.file); + normalizedMap.sources[sourcesIndex] = path.relative(modDirname, sourcePath); + } + } + } + } + } + if (environment._closing && environment.config.dev.recoverable) throwClosedServerError(); + const topLevelConfig = environment.getTopLevelConfig(); + const result = environment.config.dev.moduleRunnerTransform ? await ssrTransform(code, normalizedMap, url$3, originalCode, { json: { stringify: topLevelConfig.json.stringify === true && topLevelConfig.json.namedExports !== true } }) : { + code, + map: normalizedMap, + etag: (0, import_etag.default)(code, { weak: true }) + }; + if (timestamp > mod.lastInvalidationTimestamp) moduleGraph.updateModuleTransformResult(mod, result); + return result; +} +/** +* When a module is soft-invalidated, we can preserve its previous `transformResult` and +* return similar code to before: +* +* - Client: We need to transform the import specifiers with new timestamps +* - SSR: We don't need to change anything as `ssrLoadModule` controls it +*/ +async function handleModuleSoftInvalidation(environment, mod, timestamp) { + const transformResult = mod.invalidationState; + mod.invalidationState = void 0; + if (!transformResult || transformResult === "HARD_INVALIDATED") return; + if (mod.transformResult) throw new Error(`Internal server error: Soft-invalidated module "${mod.url}" should not have existing transform result`); + let result; + if (transformResult.ssr) result = transformResult; + else { + await init; + const source = transformResult.code; + const s$2 = new MagicString(source); + const [imports] = parse(source, mod.id || void 0); + for (const imp of imports) { + let rawUrl = source.slice(imp.s, imp.e); + if (rawUrl === "import.meta") continue; + const hasQuotes = rawUrl[0] === "\"" || rawUrl[0] === "'"; + if (hasQuotes) rawUrl = rawUrl.slice(1, -1); + const urlWithoutTimestamp = removeTimestampQuery(rawUrl); + const hmrUrl = unwrapId(stripBase(removeImportQuery(urlWithoutTimestamp), environment.config.base)); + for (const importedMod of mod.importedModules) { + if (importedMod.url !== hmrUrl) continue; + if (importedMod.lastHMRTimestamp > 0) { + const replacedUrl = injectQuery(urlWithoutTimestamp, `t=${importedMod.lastHMRTimestamp}`); + const start = hasQuotes ? imp.s + 1 : imp.s; + const end = hasQuotes ? imp.e - 1 : imp.e; + s$2.overwrite(start, end, replacedUrl); + } + if (imp.d === -1 && environment.config.dev.preTransformRequests) environment.warmupRequest(hmrUrl); + break; + } + } + const code = s$2.toString(); + result = { + ...transformResult, + code, + etag: (0, import_etag.default)(code, { weak: true }) + }; + } + if (timestamp > mod.lastInvalidationTimestamp) environment.moduleGraph.updateModuleTransformResult(mod, result); + return result; +} + +//#endregion +//#region ../../node_modules/.pnpm/js-tokens@9.0.1/node_modules/js-tokens/index.js +var require_js_tokens = /* @__PURE__ */ __commonJS({ "../../node_modules/.pnpm/js-tokens@9.0.1/node_modules/js-tokens/index.js": ((exports, module) => { + var HashbangComment, Identifier, JSXIdentifier, JSXPunctuator, JSXString, JSXText, KeywordsWithExpressionAfter, KeywordsWithNoLineTerminatorAfter, LineTerminatorSequence, MultiLineComment, Newline, NumericLiteral, Punctuator, RegularExpressionLiteral = /\/(?![*\/])(?:\[(?:[^\]\\\n\r\u2028\u2029]+|\\.)*\]?|[^\/[\\\n\r\u2028\u2029]+|\\.)*(\/[$_\u200C\u200D\p{ID_Continue}]*|\\)?/uy, SingleLineComment, StringLiteral, Template, TokensNotPrecedingObjectLiteral, TokensPrecedingExpression, WhiteSpace; + Punctuator = /--|\+\+|=>|\.{3}|\??\.(?!\d)|(?:&&|\|\||\?\?|[+\-%&|^]|\*{1,2}|<{1,2}|>{1,3}|!=?|={1,2}|\/(?![\/*]))=?|[?~,:;[\](){}]/y; + Identifier = /(\x23?)(?=[$_\p{ID_Start}\\])(?:[$_\u200C\u200D\p{ID_Continue}]+|\\u[\da-fA-F]{4}|\\u\{[\da-fA-F]+\})+/uy; + StringLiteral = /(['"])(?:[^'"\\\n\r]+|(?!\1)['"]|\\(?:\r\n|[^]))*(\1)?/y; + NumericLiteral = /(?:0[xX][\da-fA-F](?:_?[\da-fA-F])*|0[oO][0-7](?:_?[0-7])*|0[bB][01](?:_?[01])*)n?|0n|[1-9](?:_?\d)*n|(?:(?:0(?!\d)|0\d*[89]\d*|[1-9](?:_?\d)*)(?:\.(?:\d(?:_?\d)*)?)?|\.\d(?:_?\d)*)(?:[eE][+-]?\d(?:_?\d)*)?|0[0-7]+/y; + Template = /[`}](?:[^`\\$]+|\\[^]|\$(?!\{))*(`|\$\{)?/y; + WhiteSpace = /[\t\v\f\ufeff\p{Zs}]+/uy; + LineTerminatorSequence = /\r?\n|[\r\u2028\u2029]/y; + MultiLineComment = /\/\*(?:[^*]+|\*(?!\/))*(\*\/)?/y; + SingleLineComment = /\/\/.*/y; + HashbangComment = /^#!.*/; + JSXPunctuator = /[<>.:={}]|\/(?![\/*])/y; + JSXIdentifier = /[$_\p{ID_Start}][$_\u200C\u200D\p{ID_Continue}-]*/uy; + JSXString = /(['"])(?:[^'"]+|(?!\1)['"])*(\1)?/y; + JSXText = /[^<>{}]+/y; + TokensPrecedingExpression = /^(?:[\/+-]|\.{3}|\?(?:InterpolationIn(?:JSX|Template)|NoLineTerminatorHere|NonExpressionParenEnd|UnaryIncDec))?$|[{}([,;<>=*%&|^!~?:]$/; + TokensNotPrecedingObjectLiteral = /^(?:=>|[;\]){}]|else|\?(?:NoLineTerminatorHere|NonExpressionParenEnd))?$/; + KeywordsWithExpressionAfter = /^(?:await|case|default|delete|do|else|instanceof|new|return|throw|typeof|void|yield)$/; + KeywordsWithNoLineTerminatorAfter = /^(?:return|throw|yield)$/; + Newline = RegExp(LineTerminatorSequence.source); + module.exports = function* (input, { jsx = false } = {}) { + var braces$2, firstCodePoint, isExpression, lastIndex, lastSignificantToken, length, match, mode, nextLastIndex, nextLastSignificantToken, parenNesting, postfixIncDec, punctuator, stack; + ({length} = input); + lastIndex = 0; + lastSignificantToken = ""; + stack = [{ tag: "JS" }]; + braces$2 = []; + parenNesting = 0; + postfixIncDec = false; + if (match = HashbangComment.exec(input)) { + yield { + type: "HashbangComment", + value: match[0] + }; + lastIndex = match[0].length; + } + while (lastIndex < length) { + mode = stack[stack.length - 1]; + switch (mode.tag) { + case "JS": + case "JSNonExpressionParen": + case "InterpolationInTemplate": + case "InterpolationInJSX": + if (input[lastIndex] === "/" && (TokensPrecedingExpression.test(lastSignificantToken) || KeywordsWithExpressionAfter.test(lastSignificantToken))) { + RegularExpressionLiteral.lastIndex = lastIndex; + if (match = RegularExpressionLiteral.exec(input)) { + lastIndex = RegularExpressionLiteral.lastIndex; + lastSignificantToken = match[0]; + postfixIncDec = true; + yield { + type: "RegularExpressionLiteral", + value: match[0], + closed: match[1] !== void 0 && match[1] !== "\\" + }; + continue; + } + } + Punctuator.lastIndex = lastIndex; + if (match = Punctuator.exec(input)) { + punctuator = match[0]; + nextLastIndex = Punctuator.lastIndex; + nextLastSignificantToken = punctuator; + switch (punctuator) { + case "(": + if (lastSignificantToken === "?NonExpressionParenKeyword") stack.push({ + tag: "JSNonExpressionParen", + nesting: parenNesting + }); + parenNesting++; + postfixIncDec = false; + break; + case ")": + parenNesting--; + postfixIncDec = true; + if (mode.tag === "JSNonExpressionParen" && parenNesting === mode.nesting) { + stack.pop(); + nextLastSignificantToken = "?NonExpressionParenEnd"; + postfixIncDec = false; + } + break; + case "{": + Punctuator.lastIndex = 0; + isExpression = !TokensNotPrecedingObjectLiteral.test(lastSignificantToken) && (TokensPrecedingExpression.test(lastSignificantToken) || KeywordsWithExpressionAfter.test(lastSignificantToken)); + braces$2.push(isExpression); + postfixIncDec = false; + break; + case "}": + switch (mode.tag) { + case "InterpolationInTemplate": + if (braces$2.length === mode.nesting) { + Template.lastIndex = lastIndex; + match = Template.exec(input); + lastIndex = Template.lastIndex; + lastSignificantToken = match[0]; + if (match[1] === "${") { + lastSignificantToken = "?InterpolationInTemplate"; + postfixIncDec = false; + yield { + type: "TemplateMiddle", + value: match[0] + }; + } else { + stack.pop(); + postfixIncDec = true; + yield { + type: "TemplateTail", + value: match[0], + closed: match[1] === "`" + }; + } + continue; + } + break; + case "InterpolationInJSX": if (braces$2.length === mode.nesting) { + stack.pop(); + lastIndex += 1; + lastSignificantToken = "}"; + yield { + type: "JSXPunctuator", + value: "}" + }; + continue; + } + } + postfixIncDec = braces$2.pop(); + nextLastSignificantToken = postfixIncDec ? "?ExpressionBraceEnd" : "}"; + break; + case "]": + postfixIncDec = true; + break; + case "++": + case "--": + nextLastSignificantToken = postfixIncDec ? "?PostfixIncDec" : "?UnaryIncDec"; + break; + case "<": + if (jsx && (TokensPrecedingExpression.test(lastSignificantToken) || KeywordsWithExpressionAfter.test(lastSignificantToken))) { + stack.push({ tag: "JSXTag" }); + lastIndex += 1; + lastSignificantToken = "<"; + yield { + type: "JSXPunctuator", + value: punctuator + }; + continue; + } + postfixIncDec = false; + break; + default: postfixIncDec = false; + } + lastIndex = nextLastIndex; + lastSignificantToken = nextLastSignificantToken; + yield { + type: "Punctuator", + value: punctuator + }; + continue; + } + Identifier.lastIndex = lastIndex; + if (match = Identifier.exec(input)) { + lastIndex = Identifier.lastIndex; + nextLastSignificantToken = match[0]; + switch (match[0]) { + case "for": + case "if": + case "while": + case "with": if (lastSignificantToken !== "." && lastSignificantToken !== "?.") nextLastSignificantToken = "?NonExpressionParenKeyword"; + } + lastSignificantToken = nextLastSignificantToken; + postfixIncDec = !KeywordsWithExpressionAfter.test(match[0]); + yield { + type: match[1] === "#" ? "PrivateIdentifier" : "IdentifierName", + value: match[0] + }; + continue; + } + StringLiteral.lastIndex = lastIndex; + if (match = StringLiteral.exec(input)) { + lastIndex = StringLiteral.lastIndex; + lastSignificantToken = match[0]; + postfixIncDec = true; + yield { + type: "StringLiteral", + value: match[0], + closed: match[2] !== void 0 + }; + continue; + } + NumericLiteral.lastIndex = lastIndex; + if (match = NumericLiteral.exec(input)) { + lastIndex = NumericLiteral.lastIndex; + lastSignificantToken = match[0]; + postfixIncDec = true; + yield { + type: "NumericLiteral", + value: match[0] + }; + continue; + } + Template.lastIndex = lastIndex; + if (match = Template.exec(input)) { + lastIndex = Template.lastIndex; + lastSignificantToken = match[0]; + if (match[1] === "${") { + lastSignificantToken = "?InterpolationInTemplate"; + stack.push({ + tag: "InterpolationInTemplate", + nesting: braces$2.length + }); + postfixIncDec = false; + yield { + type: "TemplateHead", + value: match[0] + }; + } else { + postfixIncDec = true; + yield { + type: "NoSubstitutionTemplate", + value: match[0], + closed: match[1] === "`" + }; + } + continue; + } + break; + case "JSXTag": + case "JSXTagEnd": + JSXPunctuator.lastIndex = lastIndex; + if (match = JSXPunctuator.exec(input)) { + lastIndex = JSXPunctuator.lastIndex; + nextLastSignificantToken = match[0]; + switch (match[0]) { + case "<": + stack.push({ tag: "JSXTag" }); + break; + case ">": + stack.pop(); + if (lastSignificantToken === "/" || mode.tag === "JSXTagEnd") { + nextLastSignificantToken = "?JSX"; + postfixIncDec = true; + } else stack.push({ tag: "JSXChildren" }); + break; + case "{": + stack.push({ + tag: "InterpolationInJSX", + nesting: braces$2.length + }); + nextLastSignificantToken = "?InterpolationInJSX"; + postfixIncDec = false; + break; + case "/": if (lastSignificantToken === "<") { + stack.pop(); + if (stack[stack.length - 1].tag === "JSXChildren") stack.pop(); + stack.push({ tag: "JSXTagEnd" }); + } + } + lastSignificantToken = nextLastSignificantToken; + yield { + type: "JSXPunctuator", + value: match[0] + }; + continue; + } + JSXIdentifier.lastIndex = lastIndex; + if (match = JSXIdentifier.exec(input)) { + lastIndex = JSXIdentifier.lastIndex; + lastSignificantToken = match[0]; + yield { + type: "JSXIdentifier", + value: match[0] + }; + continue; + } + JSXString.lastIndex = lastIndex; + if (match = JSXString.exec(input)) { + lastIndex = JSXString.lastIndex; + lastSignificantToken = match[0]; + yield { + type: "JSXString", + value: match[0], + closed: match[2] !== void 0 + }; + continue; + } + break; + case "JSXChildren": + JSXText.lastIndex = lastIndex; + if (match = JSXText.exec(input)) { + lastIndex = JSXText.lastIndex; + lastSignificantToken = match[0]; + yield { + type: "JSXText", + value: match[0] + }; + continue; + } + switch (input[lastIndex]) { + case "<": + stack.push({ tag: "JSXTag" }); + lastIndex++; + lastSignificantToken = "<"; + yield { + type: "JSXPunctuator", + value: "<" + }; + continue; + case "{": + stack.push({ + tag: "InterpolationInJSX", + nesting: braces$2.length + }); + lastIndex++; + lastSignificantToken = "?InterpolationInJSX"; + postfixIncDec = false; + yield { + type: "JSXPunctuator", + value: "{" + }; + continue; + } + } + WhiteSpace.lastIndex = lastIndex; + if (match = WhiteSpace.exec(input)) { + lastIndex = WhiteSpace.lastIndex; + yield { + type: "WhiteSpace", + value: match[0] + }; + continue; + } + LineTerminatorSequence.lastIndex = lastIndex; + if (match = LineTerminatorSequence.exec(input)) { + lastIndex = LineTerminatorSequence.lastIndex; + postfixIncDec = false; + if (KeywordsWithNoLineTerminatorAfter.test(lastSignificantToken)) lastSignificantToken = "?NoLineTerminatorHere"; + yield { + type: "LineTerminatorSequence", + value: match[0] + }; + continue; + } + MultiLineComment.lastIndex = lastIndex; + if (match = MultiLineComment.exec(input)) { + lastIndex = MultiLineComment.lastIndex; + if (Newline.test(match[0])) { + postfixIncDec = false; + if (KeywordsWithNoLineTerminatorAfter.test(lastSignificantToken)) lastSignificantToken = "?NoLineTerminatorHere"; + } + yield { + type: "MultiLineComment", + value: match[0], + closed: match[1] !== void 0 + }; + continue; + } + SingleLineComment.lastIndex = lastIndex; + if (match = SingleLineComment.exec(input)) { + lastIndex = SingleLineComment.lastIndex; + postfixIncDec = false; + yield { + type: "SingleLineComment", + value: match[0] + }; + continue; + } + firstCodePoint = String.fromCodePoint(input.codePointAt(lastIndex)); + lastIndex += firstCodePoint.length; + lastSignificantToken = firstCodePoint; + postfixIncDec = false; + yield { + type: mode.tag.startsWith("JSX") ? "JSXInvalid" : "Invalid", + value: firstCodePoint + }; + } + }; +}) }); + +//#endregion +//#region ../../node_modules/.pnpm/strip-literal@3.1.0/node_modules/strip-literal/dist/index.mjs +var import_js_tokens = /* @__PURE__ */ __toESM(require_js_tokens(), 1); +const FILL_COMMENT = " "; +function stripLiteralFromToken(token, fillChar, filter$1) { + if (token.type === "SingleLineComment") return FILL_COMMENT.repeat(token.value.length); + if (token.type === "MultiLineComment") return token.value.replace(/[^\n]/g, FILL_COMMENT); + if (token.type === "StringLiteral") { + if (!token.closed) return token.value; + const body = token.value.slice(1, -1); + if (filter$1(body)) return token.value[0] + fillChar.repeat(body.length) + token.value[token.value.length - 1]; + } + if (token.type === "NoSubstitutionTemplate") { + const body = token.value.slice(1, -1); + if (filter$1(body)) return `\`${body.replace(/[^\n]/g, fillChar)}\``; + } + if (token.type === "RegularExpressionLiteral") { + const body = token.value; + if (filter$1(body)) return body.replace(/\/(.*)\/(\w?)$/g, (_, $1, $2) => `/${fillChar.repeat($1.length)}/${$2}`); + } + if (token.type === "TemplateHead") { + const body = token.value.slice(1, -2); + if (filter$1(body)) return `\`${body.replace(/[^\n]/g, fillChar)}\${`; + } + if (token.type === "TemplateTail") { + const body = token.value.slice(0, -2); + if (filter$1(body)) return `}${body.replace(/[^\n]/g, fillChar)}\``; + } + if (token.type === "TemplateMiddle") { + const body = token.value.slice(1, -2); + if (filter$1(body)) return `}${body.replace(/[^\n]/g, fillChar)}\${`; + } + return token.value; +} +function optionsWithDefaults(options$1) { + return { + fillChar: options$1?.fillChar ?? " ", + filter: options$1?.filter ?? (() => true) + }; +} +function stripLiteral(code, options$1) { + let result = ""; + const _options = optionsWithDefaults(options$1); + for (const token of (0, import_js_tokens.default)(code, { jsx: false })) result += stripLiteralFromToken(token, _options.fillChar, _options.filter); + return result; +} + +//#endregion +//#region src/node/assetSource.ts +const ALLOWED_META_NAME = [ + "msapplication-tileimage", + "msapplication-square70x70logo", + "msapplication-square150x150logo", + "msapplication-wide310x150logo", + "msapplication-square310x310logo", + "msapplication-config", + "twitter:image" +]; +const ALLOWED_META_PROPERTY = [ + "og:image", + "og:image:url", + "og:image:secure_url", + "og:audio", + "og:audio:secure_url", + "og:video", + "og:video:secure_url" +]; +const DEFAULT_HTML_ASSET_SOURCES = { + audio: { srcAttributes: ["src"] }, + embed: { srcAttributes: ["src"] }, + img: { + srcAttributes: ["src"], + srcsetAttributes: ["srcset"] + }, + image: { srcAttributes: ["href", "xlink:href"] }, + input: { srcAttributes: ["src"] }, + link: { + srcAttributes: ["href"], + srcsetAttributes: ["imagesrcset"] + }, + object: { srcAttributes: ["data"] }, + source: { + srcAttributes: ["src"], + srcsetAttributes: ["srcset"] + }, + track: { srcAttributes: ["src"] }, + use: { srcAttributes: ["href", "xlink:href"] }, + video: { srcAttributes: ["src", "poster"] }, + meta: { + srcAttributes: ["content"], + filter({ attributes }) { + if (attributes.name && ALLOWED_META_NAME.includes(attributes.name.trim().toLowerCase())) return true; + if (attributes.property && ALLOWED_META_PROPERTY.includes(attributes.property.trim().toLowerCase())) return true; + return false; + } + } +}; +/** +* Given a HTML node, find all attributes that references an asset to be processed +*/ +function getNodeAssetAttributes(node) { + const matched = DEFAULT_HTML_ASSET_SOURCES[node.nodeName]; + if (!matched) return []; + const attributes = {}; + for (const attr of node.attrs) attributes[getAttrKey(attr)] = attr.value; + if ("vite-ignore" in attributes) return [{ + type: "remove", + key: "vite-ignore", + value: "", + attributes, + location: node.sourceCodeLocation.attrs["vite-ignore"] + }]; + const actions = []; + function handleAttributeKey(key, type) { + const value$1 = attributes[key]; + if (!value$1) return; + if (matched.filter && !matched.filter({ + key, + value: value$1, + attributes + })) return; + const location$1 = node.sourceCodeLocation.attrs[key]; + actions.push({ + type, + key, + value: value$1, + attributes, + location: location$1 + }); + } + matched.srcAttributes?.forEach((key) => handleAttributeKey(key, "src")); + matched.srcsetAttributes?.forEach((key) => handleAttributeKey(key, "srcset")); + return actions; +} +function getAttrKey(attr) { + return attr.prefix === void 0 ? attr.name : `${attr.prefix}:${attr.name}`; +} + +//#endregion +//#region src/node/plugins/importAnalysisBuild.ts +var import_convert_source_map = /* @__PURE__ */ __toESM(require_convert_source_map(), 1); +/** +* A flag for injected helpers. This flag will be set to `false` if the output +* target is not native es - so that injected helper logic can be conditionally +* dropped. +*/ +const isModernFlag = `__VITE_IS_MODERN__`; +const preloadMethod = `__vitePreload`; +const preloadMarker = `__VITE_PRELOAD__`; +const preloadHelperId = "\0vite/preload-helper.js"; +const preloadMarkerRE = new RegExp(preloadMarker, "g"); +const dynamicImportPrefixRE = /import\s*\(/; +const dynamicImportTreeshakenRE = /((?:\bconst\s+|\blet\s+|\bvar\s+|,\s*)(\{[^{}.=]+\})\s*=\s*await\s+import\([^)]+\))(?=\s*(?:$|[^[.]))|(\(\s*await\s+import\([^)]+\)\s*\)(\??\.[\w$]+))|\bimport\([^)]+\)(\s*\.then\(\s*(?:function\s*)?\(\s*\{([^{}.=]+)\}\))/g; +function toRelativePath(filename, importer) { + const relPath = path.posix.relative(path.posix.dirname(importer), filename); + return relPath[0] === "." ? relPath : `./${relPath}`; +} +function findPreloadMarker(str, pos = 0) { + preloadMarkerRE.lastIndex = pos; + return preloadMarkerRE.exec(str)?.index ?? -1; +} +/** +* Helper for preloading CSS and direct imports of async chunks in parallel to +* the async chunk itself. +*/ +function detectScriptRel() { + const relList = typeof document !== "undefined" && document.createElement("link").relList; + return relList && relList.supports && relList.supports("modulepreload") ? "modulepreload" : "preload"; +} +function preload(baseModule, deps, importerUrl) { + let promise = Promise.resolve(); + if (__VITE_IS_MODERN__ && deps && deps.length > 0) { + const links = document.getElementsByTagName("link"); + const cspNonceMeta = document.querySelector("meta[property=csp-nonce]"); + const cspNonce = cspNonceMeta?.nonce || cspNonceMeta?.getAttribute("nonce"); + function allSettled(promises$2) { + return Promise.all(promises$2.map((p) => Promise.resolve(p).then((value$1) => ({ + status: "fulfilled", + value: value$1 + }), (reason) => ({ + status: "rejected", + reason + })))); + } + promise = allSettled(deps.map((dep) => { + dep = assetsURL(dep, importerUrl); + if (dep in seen) return; + seen[dep] = true; + const isCss = dep.endsWith(".css"); + const cssSelector = isCss ? "[rel=\"stylesheet\"]" : ""; + if (!!importerUrl) for (let i$1 = links.length - 1; i$1 >= 0; i$1--) { + const link$1 = links[i$1]; + if (link$1.href === dep && (!isCss || link$1.rel === "stylesheet")) return; + } + else if (document.querySelector(`link[href="${dep}"]${cssSelector}`)) return; + const link = document.createElement("link"); + link.rel = isCss ? "stylesheet" : scriptRel; + if (!isCss) link.as = "script"; + link.crossOrigin = ""; + link.href = dep; + if (cspNonce) link.setAttribute("nonce", cspNonce); + document.head.appendChild(link); + if (isCss) return new Promise((res, rej) => { + link.addEventListener("load", res); + link.addEventListener("error", () => rej(/* @__PURE__ */ new Error(`Unable to preload CSS for ${dep}`))); + }); + })); + } + function handlePreloadError(err$2) { + const e$1 = new Event("vite:preloadError", { cancelable: true }); + e$1.payload = err$2; + window.dispatchEvent(e$1); + if (!e$1.defaultPrevented) throw err$2; + } + return promise.then((res) => { + for (const item of res || []) { + if (item.status !== "rejected") continue; + handlePreloadError(item.reason); + } + return baseModule().catch(handlePreloadError); + }); +} +function getPreloadCode(environment, renderBuiltUrlBoolean, isRelativeBase) { + const { modulePreload } = environment.config.build; + return `const scriptRel = ${modulePreload && modulePreload.polyfill ? `'modulepreload'` : `/* @__PURE__ */ (${detectScriptRel.toString()})()`};const assetsURL = ${renderBuiltUrlBoolean || isRelativeBase ? `function(dep, importerUrl) { return new URL(dep, importerUrl).href }` : `function(dep) { return ${JSON.stringify(environment.config.base)}+dep }`};const seen = {};export const ${preloadMethod} = ${preload.toString()}`; +} +/** +* Build only. During serve this is performed as part of ./importAnalysis. +*/ +function buildImportAnalysisPlugin(config$2) { + const getInsertPreload = (environment) => environment.config.consumer === "client" && !config$2.isWorker && !config$2.build.lib; + const renderBuiltUrl = config$2.experimental.renderBuiltUrl; + const isRelativeBase = config$2.base === "./" || config$2.base === ""; + return { + name: "vite:build-import-analysis", + resolveId: { + filter: { id: exactRegex(preloadHelperId) }, + handler(id) { + return id; + } + }, + load: { + filter: { id: exactRegex(preloadHelperId) }, + handler(_id) { + return { + code: getPreloadCode(this.environment, !!renderBuiltUrl, isRelativeBase), + moduleSideEffects: false + }; + } + }, + transform: { + filter: { code: dynamicImportPrefixRE }, + async handler(source, importer) { + await init; + let imports = []; + try { + imports = parse(source)[0]; + } catch (_e) { + const e$1 = _e; + const { message, showCodeFrame } = createParseErrorInfo(importer, source); + this.error(message, showCodeFrame ? e$1.idx : void 0); + } + if (!imports.length) return null; + const insertPreload = getInsertPreload(this.environment); + const dynamicImports = {}; + if (insertPreload) { + let match; + while (match = dynamicImportTreeshakenRE.exec(source)) { + if (match[1]) { + dynamicImports[dynamicImportTreeshakenRE.lastIndex] = { + declaration: `const ${match[2]}`, + names: match[2]?.trim() + }; + continue; + } + if (match[3]) { + let names$1 = /\.([^.?]+)/.exec(match[4])?.[1] || ""; + if (names$1 === "default") names$1 = "default: __vite_default__"; + dynamicImports[dynamicImportTreeshakenRE.lastIndex - match[4]?.length - 1] = { + declaration: `const {${names$1}}`, + names: `{ ${names$1} }` + }; + continue; + } + const names = match[6]?.trim(); + dynamicImports[dynamicImportTreeshakenRE.lastIndex - match[5]?.length] = { + declaration: `const {${names}}`, + names: `{ ${names} }` + }; + } + } + let s$2; + const str = () => s$2 || (s$2 = new MagicString(source)); + let needPreloadHelper = false; + for (let index = 0; index < imports.length; index++) { + const { s: start, e: end, ss: expStart, se: expEnd, d: dynamicIndex, a: attributeIndex } = imports[index]; + const isDynamicImport = dynamicIndex > -1; + if (!isDynamicImport && attributeIndex > -1) str().remove(end + 1, expEnd); + if (isDynamicImport && insertPreload && (source[start] === "\"" || source[start] === "'" || source[start] === "`")) { + needPreloadHelper = true; + const { declaration, names } = dynamicImports[expEnd] || {}; + if (names) { + str().prependLeft(expStart, `${preloadMethod}(async () => { ${declaration} = await `); + str().appendRight(expEnd, `;return ${names}}`); + } else str().prependLeft(expStart, `${preloadMethod}(() => `); + str().appendRight(expEnd, `,${isModernFlag}?${preloadMarker}:void 0${renderBuiltUrl || isRelativeBase ? ",import.meta.url" : ""})`); + } + } + if (needPreloadHelper && insertPreload && !source.includes(`const ${preloadMethod} =`)) str().prepend(`import { ${preloadMethod} } from "${preloadHelperId}";`); + if (s$2) return { + code: s$2.toString(), + map: this.environment.config.build.sourcemap ? s$2.generateMap({ hires: "boundary" }) : null + }; + } + }, + renderChunk(code, _, { format: format$3 }) { + if (code.indexOf(isModernFlag) > -1) { + const re = new RegExp(isModernFlag, "g"); + const isModern = String(format$3 === "es"); + const isModernWithPadding = isModern + " ".repeat(isModernFlag.length - isModern.length); + return { + code: code.replace(re, isModernWithPadding), + map: null + }; + } + return null; + }, + generateBundle({ format: format$3 }, bundle) { + if (format$3 !== "es") return; + if (!getInsertPreload(this.environment)) { + const removedPureCssFiles = removedPureCssFilesCache.get(config$2); + if (removedPureCssFiles && removedPureCssFiles.size > 0) for (const file in bundle) { + const chunk = bundle[file]; + if (chunk.type === "chunk" && chunk.code.includes("import")) { + const code = chunk.code; + let imports; + try { + imports = parse(code)[0].filter((i$1) => i$1.d > -1); + } catch (e$1) { + const loc = numberToPos(code, e$1.idx); + this.error({ + name: e$1.name, + message: e$1.message, + stack: e$1.stack, + cause: e$1.cause, + pos: e$1.idx, + loc: { + ...loc, + file: chunk.fileName + }, + frame: generateCodeFrame(code, loc) + }); + } + for (const imp of imports) { + const { n: name, s: start, e: end, ss: expStart, se: expEnd } = imp; + let url$3 = name; + if (!url$3) { + const rawUrl = code.slice(start, end); + if (rawUrl[0] === `"` && rawUrl.endsWith(`"`)) url$3 = rawUrl.slice(1, -1); + } + if (!url$3) continue; + const normalizedFile = path.posix.join(path.posix.dirname(chunk.fileName), url$3); + if (removedPureCssFiles.has(normalizedFile)) chunk.code = chunk.code.slice(0, expStart) + `Promise.resolve({${"".padEnd(expEnd - expStart - 19, " ")}})` + chunk.code.slice(expEnd); + } + } + } + return; + } + const buildSourcemap = this.environment.config.build.sourcemap; + const { modulePreload } = this.environment.config.build; + for (const file in bundle) { + const chunk = bundle[file]; + if (chunk.type === "chunk" && chunk.code.indexOf(preloadMarker) > -1) { + const code = chunk.code; + let imports; + try { + imports = parse(code)[0].filter((i$1) => i$1.d > -1); + } catch (e$1) { + const loc = numberToPos(code, e$1.idx); + this.error({ + name: e$1.name, + message: e$1.message, + stack: e$1.stack, + cause: e$1.cause, + pos: e$1.idx, + loc: { + ...loc, + file: chunk.fileName + }, + frame: generateCodeFrame(code, loc) + }); + } + const s$2 = new MagicString(code); + const rewroteMarkerStartPos = /* @__PURE__ */ new Set(); + const fileDeps = []; + const addFileDep = (url$3, runtime = false) => { + const index = fileDeps.findIndex((dep) => dep.url === url$3); + if (index === -1) return fileDeps.push({ + url: url$3, + runtime + }) - 1; + else return index; + }; + if (imports.length) for (let index = 0; index < imports.length; index++) { + const { n: name, s: start, e: end, ss: expStart, se: expEnd } = imports[index]; + let url$3 = name; + if (!url$3) { + const rawUrl = code.slice(start, end); + if (rawUrl[0] === `"` && rawUrl.endsWith(`"`)) url$3 = rawUrl.slice(1, -1); + } + const deps = /* @__PURE__ */ new Set(); + let hasRemovedPureCssChunk = false; + let normalizedFile = void 0; + if (url$3) { + normalizedFile = path.posix.join(path.posix.dirname(chunk.fileName), url$3); + const ownerFilename = chunk.fileName; + const analyzed = /* @__PURE__ */ new Set(); + const addDeps = (filename) => { + if (filename === ownerFilename) return; + if (analyzed.has(filename)) return; + analyzed.add(filename); + const chunk$1 = bundle[filename]; + if (chunk$1) { + deps.add(chunk$1.fileName); + if (chunk$1.type === "chunk") { + chunk$1.imports.forEach(addDeps); + chunk$1.viteMetadata.importedCss.forEach((file$1) => { + deps.add(file$1); + }); + } + } else { + const chunk$2 = removedPureCssFilesCache.get(config$2).get(filename); + if (chunk$2) { + if (chunk$2.viteMetadata.importedCss.size) { + chunk$2.viteMetadata.importedCss.forEach((file$1) => { + deps.add(file$1); + }); + hasRemovedPureCssChunk = true; + } + s$2.update(expStart, expEnd, "Promise.resolve({})"); + } + } + }; + addDeps(normalizedFile); + } + let markerStartPos$1 = findPreloadMarker(code, end); + if (markerStartPos$1 === -1 && imports.length === 1) markerStartPos$1 = findPreloadMarker(code); + if (markerStartPos$1 > 0) { + let depsArray = deps.size > 1 || hasRemovedPureCssChunk && deps.size > 0 ? modulePreload === false ? [...deps].filter((d$2) => d$2.endsWith(".css")) : [...deps] : []; + const resolveDependencies = modulePreload ? modulePreload.resolveDependencies : void 0; + if (resolveDependencies && normalizedFile) { + const cssDeps = []; + const otherDeps = []; + for (const dep of depsArray) (dep.endsWith(".css") ? cssDeps : otherDeps).push(dep); + depsArray = [...resolveDependencies(normalizedFile, otherDeps, { + hostId: file, + hostType: "js" + }), ...cssDeps]; + } + let renderedDeps; + if (renderBuiltUrl) renderedDeps = depsArray.map((dep) => { + const replacement = toOutputFilePathInJS(this.environment, dep, "asset", chunk.fileName, "js", toRelativePath); + if (typeof replacement === "string") return addFileDep(replacement); + return addFileDep(replacement.runtime, true); + }); + else renderedDeps = depsArray.map((d$2) => isRelativeBase ? addFileDep(toRelativePath(d$2, file)) : addFileDep(d$2)); + s$2.update(markerStartPos$1, markerStartPos$1 + preloadMarker.length, renderedDeps.length > 0 ? `__vite__mapDeps([${renderedDeps.join(",")}])` : `[]`); + rewroteMarkerStartPos.add(markerStartPos$1); + } + } + if (fileDeps.length > 0) { + const mapDepsCode = `const __vite__mapDeps=(i,m=__vite__mapDeps,d=(m.f||(m.f=${`[${fileDeps.map((fileDep) => fileDep.runtime ? fileDep.url : JSON.stringify(fileDep.url)).join(",")}]`})))=>i.map(i=>d[i]);\n`; + if (code.startsWith("#!")) s$2.prependLeft(code.indexOf("\n") + 1, mapDepsCode); + else s$2.prepend(mapDepsCode); + } + let markerStartPos = findPreloadMarker(code); + while (markerStartPos >= 0) { + if (!rewroteMarkerStartPos.has(markerStartPos)) s$2.update(markerStartPos, markerStartPos + preloadMarker.length, "void 0"); + markerStartPos = findPreloadMarker(code, markerStartPos + preloadMarker.length); + } + if (s$2.hasChanged()) { + chunk.code = s$2.toString(); + if (buildSourcemap && chunk.map) { + const nextMap = s$2.generateMap({ + source: chunk.fileName, + hires: "boundary" + }); + const originalFile = chunk.map.file; + const map$1 = combineSourcemaps(chunk.fileName, [nextMap, chunk.map]); + map$1.toUrl = () => genSourceMapUrl(map$1); + if (originalFile) map$1.file = originalFile; + const originalDebugId = chunk.map.debugId; + chunk.map = map$1; + if (buildSourcemap === "inline") { + chunk.code = chunk.code.replace(import_convert_source_map.default.mapFileCommentRegex, ""); + chunk.code += `\n//# sourceMappingURL=${genSourceMapUrl(map$1)}`; + } else { + if (originalDebugId) map$1.debugId = originalDebugId; + const mapAsset = bundle[chunk.fileName + ".map"]; + if (mapAsset && mapAsset.type === "asset") mapAsset.source = map$1.toString(); + } + } + } + } + } + } + }; +} + +//#endregion +//#region src/node/plugins/modulePreloadPolyfill.ts +const modulePreloadPolyfillId = "vite/modulepreload-polyfill"; +const resolvedModulePreloadPolyfillId = "\0" + modulePreloadPolyfillId + ".js"; +function modulePreloadPolyfillPlugin(config$2) { + let polyfillString; + return { + name: "vite:modulepreload-polyfill", + resolveId: { + filter: { id: exactRegex(modulePreloadPolyfillId) }, + handler(_id) { + return resolvedModulePreloadPolyfillId; + } + }, + load: { + filter: { id: exactRegex(resolvedModulePreloadPolyfillId) }, + handler(_id) { + if (config$2.command !== "build" || this.environment.config.consumer !== "client") return ""; + if (!polyfillString) polyfillString = `${isModernFlag}&&(${polyfill.toString()}());`; + return { + code: polyfillString, + moduleSideEffects: true + }; + } + } + }; +} +function polyfill() { + const relList = document.createElement("link").relList; + if (relList && relList.supports && relList.supports("modulepreload")) return; + for (const link of document.querySelectorAll("link[rel=\"modulepreload\"]")) processPreload(link); + new MutationObserver((mutations) => { + for (const mutation of mutations) { + if (mutation.type !== "childList") continue; + for (const node of mutation.addedNodes) if (node.tagName === "LINK" && node.rel === "modulepreload") processPreload(node); + } + }).observe(document, { + childList: true, + subtree: true + }); + function getFetchOpts(link) { + const fetchOpts = {}; + if (link.integrity) fetchOpts.integrity = link.integrity; + if (link.referrerPolicy) fetchOpts.referrerPolicy = link.referrerPolicy; + if (link.crossOrigin === "use-credentials") fetchOpts.credentials = "include"; + else if (link.crossOrigin === "anonymous") fetchOpts.credentials = "omit"; + else fetchOpts.credentials = "same-origin"; + return fetchOpts; + } + function processPreload(link) { + if (link.ep) return; + link.ep = true; + const fetchOpts = getFetchOpts(link); + fetch(link.href, fetchOpts); + } +} + +//#endregion +//#region src/node/plugins/html.ts +var import_picocolors$18 = /* @__PURE__ */ __toESM(require_picocolors(), 1); +var import_escape_html = /* @__PURE__ */ __toESM(require_escape_html(), 1); +const htmlProxyRE$1 = /[?&]html-proxy=?(?:&inline-css)?(?:&style-attr)?&index=(\d+)\.(?:js|css)$/; +const isHtmlProxyRE = /[?&]html-proxy\b/; +const inlineCSSRE$1 = /__VITE_INLINE_CSS__([a-z\d]{8}_\d+)__/g; +const inlineImportRE = /(?]*type\s*=\s*(?:"importmap"|'importmap'|importmap)[^>]*>.*?<\/script>/is; +const importMapAppendRE = new RegExp([/[ \t]*]*type\s*=\s*(?:"module"|'module'|module)[^>]*>/i, /[ \t]*]*rel\s*=\s*(?:"modulepreload"|'modulepreload'|modulepreload)[\s\S]*?\/>/i].map((r$1) => r$1.source).join("|"), "i"); +const isHTMLProxy = (id) => isHtmlProxyRE.test(id); +const isHTMLRequest = (request) => htmlLangRE.test(request); +const htmlProxyMap = /* @__PURE__ */ new WeakMap(); +const htmlProxyResult = /* @__PURE__ */ new Map(); +function htmlInlineProxyPlugin(config$2) { + htmlProxyMap.set(config$2, /* @__PURE__ */ new Map()); + return { + name: "vite:html-inline-proxy", + resolveId: { + filter: { id: isHtmlProxyRE }, + handler(id) { + return id; + } + }, + load: { + filter: { id: isHtmlProxyRE }, + handler(id) { + const proxyMatch = htmlProxyRE$1.exec(id); + if (proxyMatch) { + const index = Number(proxyMatch[1]); + const url$3 = cleanUrl(id).replace(normalizePath(config$2.root), ""); + const result = htmlProxyMap.get(config$2).get(url$3)?.[index]; + if (result) return { + ...result, + moduleSideEffects: true + }; + else throw new Error(`No matching HTML proxy module found from ${id}`); + } + } + } + }; +} +function addToHTMLProxyCache(config$2, filePath, index, result) { + if (!htmlProxyMap.get(config$2)) htmlProxyMap.set(config$2, /* @__PURE__ */ new Map()); + if (!htmlProxyMap.get(config$2).get(filePath)) htmlProxyMap.get(config$2).set(filePath, []); + htmlProxyMap.get(config$2).get(filePath)[index] = result; +} +function addToHTMLProxyTransformResult(hash$1, code) { + htmlProxyResult.set(hash$1, code); +} +const noInlineLinkRels = new Set([ + "icon", + "apple-touch-icon", + "apple-touch-startup-image", + "manifest" +]); +const isAsyncScriptMap = /* @__PURE__ */ new WeakMap(); +function nodeIsElement(node) { + return node.nodeName[0] !== "#"; +} +function traverseNodes(node, visitor) { + if (node.nodeName === "template") node = node.content; + visitor(node); + if (nodeIsElement(node) || node.nodeName === "#document" || node.nodeName === "#document-fragment") node.childNodes.forEach((childNode) => traverseNodes(childNode, visitor)); +} +async function traverseHtml(html, filePath, warn, visitor) { + const { parse: parse$17 } = await import("./dist.js"); + const warnings = {}; + traverseNodes(parse$17(html, { + scriptingEnabled: false, + sourceCodeLocationInfo: true, + onParseError: (e$1) => { + handleParseError(e$1, html, filePath, warnings); + } + }), visitor); + for (const message of Object.values(warnings)) warn(import_picocolors$18.default.yellow(`\n${message}`)); +} +function getScriptInfo(node) { + let src; + let srcSourceCodeLocation; + let isModule = false; + let isAsync = false; + let isIgnored = false; + for (const p of node.attrs) { + if (p.prefix !== void 0) continue; + if (p.name === "src") { + if (!src) { + src = p; + srcSourceCodeLocation = node.sourceCodeLocation?.attrs["src"]; + } + } else if (p.name === "type" && p.value === "module") isModule = true; + else if (p.name === "async") isAsync = true; + else if (p.name === "vite-ignore") isIgnored = true; + } + return { + src, + srcSourceCodeLocation, + isModule, + isAsync, + isIgnored + }; +} +const attrValueStartRE = /=\s*(.)/; +function overwriteAttrValue(s$2, sourceCodeLocation, newValue) { + const srcString = s$2.slice(sourceCodeLocation.startOffset, sourceCodeLocation.endOffset); + const valueStart = attrValueStartRE.exec(srcString); + if (!valueStart) throw new Error(`[vite:html] internal error, failed to overwrite attribute value`); + const wrapOffset = valueStart[1] === "\"" || valueStart[1] === "'" ? 1 : 0; + const valueOffset = valueStart.index + valueStart[0].length - 1; + s$2.update(sourceCodeLocation.startOffset + valueOffset + wrapOffset, sourceCodeLocation.endOffset - wrapOffset, newValue); + return s$2; +} +function removeViteIgnoreAttr(s$2, sourceCodeLocation) { + const loc = sourceCodeLocation.attrs?.["vite-ignore"]; + if (loc) s$2.remove(loc.startOffset, loc.endOffset); + return s$2; +} +/** +* Format parse5 @type {ParserError} to @type {RollupError} +*/ +function formatParseError(parserError, id, html) { + return { + code: parserError.code, + message: `parse5 error code ${parserError.code}`, + frame: generateCodeFrame(html, parserError.startOffset, parserError.endOffset), + loc: { + file: id, + line: parserError.startLine, + column: parserError.startCol + } + }; +} +function handleParseError(parserError, html, filePath, warnings) { + switch (parserError.code) { + case "missing-doctype": return; + case "abandoned-head-element-child": return; + case "duplicate-attribute": return; + case "non-void-html-element-start-tag-with-trailing-solidus": return; + case "unexpected-question-mark-instead-of-tag-name": return; + } + const parseError = formatParseError(parserError, filePath, html); + warnings[parseError.code] ??= `Unable to parse HTML; ${parseError.message}\n at ${parseError.loc.file}:${parseError.loc.line}:${parseError.loc.column}\n` + parseError.frame; +} +/** +* Compiles index.html into an entry js module +*/ +function buildHtmlPlugin(config$2) { + const [preHooks, normalHooks, postHooks] = resolveHtmlTransforms(config$2.plugins); + preHooks.unshift(injectCspNonceMetaTagHook(config$2)); + preHooks.unshift(preImportMapHook(config$2)); + preHooks.push(htmlEnvHook(config$2)); + postHooks.push(injectNonceAttributeTagHook(config$2)); + postHooks.push(postImportMapHook()); + const processedHtml = perEnvironmentState(() => /* @__PURE__ */ new Map()); + const isExcludedUrl = (url$3) => url$3[0] === "#" || isExternalUrl(url$3) || isDataUrl(url$3); + isAsyncScriptMap.set(config$2, /* @__PURE__ */ new Map()); + return { + name: "vite:build-html", + transform: { + filter: { id: /\.html$/ }, + async handler(html, id) { + id = normalizePath(id); + const relativeUrlPath = normalizePath(path.relative(config$2.root, id)); + const publicPath = `/${relativeUrlPath}`; + const publicBase = getBaseInHTML(relativeUrlPath, config$2); + const publicToRelative = (filename) => publicBase + filename; + const toOutputPublicFilePath = (url$3) => toOutputFilePathInHtml(url$3.slice(1), "public", relativeUrlPath, "html", config$2, publicToRelative); + const nodeStartWithLeadingWhitespace = (node) => { + const startOffset = node.sourceCodeLocation.startOffset; + if (startOffset === 0) return 0; + const lineStartOffset = startOffset - node.sourceCodeLocation.startCol; + let isLineEmpty = false; + try { + isLineEmpty = !s$2.slice(Math.max(0, lineStartOffset), startOffset).trim(); + } catch {} + return isLineEmpty ? lineStartOffset : startOffset; + }; + html = await applyHtmlTransforms(html, preHooks, this, { + path: publicPath, + filename: id + }); + let js = ""; + const s$2 = new MagicString(html); + const scriptUrls = []; + const styleUrls = []; + let inlineModuleIndex = -1; + let everyScriptIsAsync = true; + let someScriptsAreAsync = false; + let someScriptsAreDefer = false; + const assetUrlsPromises = []; + const namedOutput = Object.keys(config$2.build.rollupOptions.input || {}); + const processAssetUrl = async (url$3, shouldInline$1) => { + if (url$3 !== "" && !namedOutput.includes(url$3) && !namedOutput.includes(removeLeadingSlash(url$3))) try { + return await urlToBuiltUrl(this, url$3, id, shouldInline$1); + } catch (e$1) { + if (e$1.code !== "ENOENT") throw e$1; + } + return url$3; + }; + const setModuleSideEffectPromises = []; + await traverseHtml(html, id, config$2.logger.warn, (node) => { + if (!nodeIsElement(node)) return; + let shouldRemove = false; + if (node.nodeName === "script") { + const { src, srcSourceCodeLocation, isModule, isAsync, isIgnored } = getScriptInfo(node); + if (isIgnored) removeViteIgnoreAttr(s$2, node.sourceCodeLocation); + else { + const url$3 = src && src.value; + const isPublicFile = !!(url$3 && checkPublicFile(url$3, config$2)); + if (isPublicFile) overwriteAttrValue(s$2, srcSourceCodeLocation, partialEncodeURIPath(toOutputPublicFilePath(url$3))); + if (isModule) { + inlineModuleIndex++; + if (url$3 && !isExcludedUrl(url$3) && !isPublicFile) { + setModuleSideEffectPromises.push(this.resolve(url$3, id).then((resolved) => { + if (!resolved) return Promise.reject(/* @__PURE__ */ new Error(`Failed to resolve ${url$3} from ${id}`)); + const moduleInfo = this.getModuleInfo(resolved.id); + if (moduleInfo) moduleInfo.moduleSideEffects = true; + else if (!resolved.external) return this.load(resolved).then((mod) => { + mod.moduleSideEffects = true; + }); + })); + js += `\nimport ${JSON.stringify(url$3)}`; + shouldRemove = true; + } else if (node.childNodes.length) { + const contents = node.childNodes.pop().value; + addToHTMLProxyCache(config$2, id.replace(normalizePath(config$2.root), ""), inlineModuleIndex, { code: contents }); + js += `\nimport "${id}?html-proxy&index=${inlineModuleIndex}.js"`; + shouldRemove = true; + } + everyScriptIsAsync &&= isAsync; + someScriptsAreAsync ||= isAsync; + someScriptsAreDefer ||= !isAsync; + } else if (url$3 && !isPublicFile) { + if (!isExcludedUrl(url$3)) config$2.logger.warn(`